PMID- 29197139 TI - The impact of silver nanoparticles integration on biofilm formation and mechanical properties of glass ionomer cement. AB - OBJECTIVES: To study the effect of silver nanoparticles incorporation to glass ionomer cement (GIC) on the Staphylococcus aureus biofilm in terms of bacterial growth and evaluate the incorporating effect on hardness and compressive strength. METHODS: Silver nanopowder was added in concentration 0, 1, 3, and 5 wt% to the conventional powder of GIC Fuji IX GP and then the powder is added to the liquid and mixed together with the recommended Powder/liquid ratio of 3.6:1 g. One hundred and twenty disc and cylindrical-shaped specimens were prepared using teflon molds. The specimens were put in tissue culture plate wells contained S. aureus in brain-heart infusion broth. The plate was incubated at 37 degrees C for 24 h. Specimens were then washed, fixed, dehydrated, and air dried. The spatial distribution of biofilm was examined via scanning electron microscope. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were also evaluated. After setting, the specimens were stored in distilled water for 24 h before testing for microhardness and compressive strength. RESULTS: Scanning electron photomicrographs of biofilm formed on the control GIC, showed a consistent biofilm with a thick sheet of cells, whereas those formed were less dense at 3 wt% and below the detection limit at 5 wt% silver nanoparticles. MIC and MBC of S. aureus were 25 and 50 ug/mL, respectively. The microhardness and compressive strength values of tested groups showed a nonsignificant decrease from the control group, P = .58 and .82, respectively. CONCLUSION: Incorporation of silver nanoparticles with GIC can limit S. aureus biofilm formation with an insignificant effect on mechanical properties and noticeable influence on its coloration, which restrict its usage in areas where esthetic is not of major concern. CLINICAL SIGNIFICANCE: As the modification of GIC with silver nanoparticles improved the antibiofilm properties without altering its mechanical properties, it could be used as a restoration of root carious lesion mainly in nonesthetic areas, a base under composite restorations in deep posterior cavities and as a core material in caries susceptible patients. PMID- 29197140 TI - The effect of interferon-free regimens on health-related quality of life in East Asian patients with chronic hepatitis C. AB - BACKGROUND: Interferon (IFN)-based regimens cause significant impairment of health-related quality of life (HRQL). Hepatitis C virus (HCV) cure with IFN-free regimens improves HRQL. The effect of these regimens on HRQL in East Asian HCV patients is unclear due to lack of published evidence. AIM: To assess HRQL in East Asian HCV patients treated with an IFN-free regimen with sofosbuvir+ribavirin. METHODS: Patients completed Short Form-36 (SF-36) before, during and after treatment. RESULTS: 686 subjects were included (China: 56.7%; S. Korea: 18.8%; Taiwan: 12.7%; genotype 2: 40.8%; genotype 1: 29.6%; genotype 3: 18.4%; genotype 6: 11.2%; cirrhosis: 13.4%; treatment-naive: 66.5%). Patients received either pegylated-IFN, sofosbuvir, and ribavirin (IFN+SOF+RBV) for 12 weeks (n = 155, genotypes 1 and 6) or SOF+RBV for 12-24 weeks (n = 531, all genotypes). The SVR-12 rates were 95.5% and 96.0%; respectively (P = .76). Baseline HRQL scores were similar between treatment groups (all P > .05). By the end of treatment, the IFN-treated group experienced significant declines in most HRQL scores (on average, by up to -13.3 points on a 0-100 scale from the baseline level, P < .02) while subjects on SOF/RBV had milder impairments (up to -5.4 points). Achieving SVR-12 was associated with HRQL improvement regardless of regimen (up to +2.9 points, P < .05). The use of IFN-free treatment was a consistent independent predictor of higher HRQL scores during treatment (beta: +2.1 to +10.7 points, P < .02). CONCLUSIONS: East Asian HCV patients treated with an IFN-free regimen had better on-treatment HRQL scores. These data should inform policymakers about the comprehensive benefits of IFN-free regimens in East Asian patients with HCV. PMID- 29197142 TI - New insights on plant phenological response to temperature revealed from long term widespread observations in China. AB - Constraints of temperature on spring plant phenology are closely related to plant growth, vegetation dynamics, and ecosystem carbon cycle. However, the effects of temperature on leaf onset, especially for winter chilling, are still not well understood. Using long-term, widespread in situ phenology observations collected over China for multiple plant species, this study analyzes the quantitative response of leaf onset to temperature, and compares empirical findings with existing theories and modeling approaches, as implemented in 18 phenology algorithms. Results show that the growing degree days (GDD) required for leaf onset vary distinctly among plant species and geographical locations as well as at organizational levels (species and community), pointing to diverse adaptation strategies. Chilling durations (CHD) needed for releasing bud dormancy decline monotonously from cold to warm areas with very limited interspecies variations. Results also reveal that winter chilling is a crucial component of phenology models, and its effect is better captured with an index that accounts for the inhomogeneous effectiveness of low temperature to chilling rate than with the conventional CHD index. The impact of spring warming on leaf onset is nonlinear, better represented by a logistical function of temperature than by the linear function currently implemented in biosphere models. The optimized base temperatures for thermal accumulation and the optimal chilling temperatures are species-dependent and average at 6.9 and 0.2 degrees C, respectively. Overall, plants' chilling requirement is not a constant, and more chilling generally results in less requirement of thermal accumulation for leaf onset. Our results clearly demonstrate multiple deficiencies of the parameters (e.g., base temperature) and algorithms (e.g., method for calculating GDD) in conventional phenology models to represent leaf onset. Therefore, this study not only advances our mechanistic and quantitative understanding of temperature controls on leaf onset but also provides critical information for improving existing phenology models. PMID- 29197141 TI - The blood-brain barrier internalises Cryptococcus neoformans via the EphA2 tyrosine kinase receptor. AB - Cryptococcus neoformans is an opportunistic fungal pathogen that causes life threatening meningitis most commonly in populations with impaired immunity. Here, we resolved the transcriptome of the human brain endothelium challenged with C. neoformans to establish whether C. neoformans invades the CNS by co-opting particular signalling pathways as a means to promote its own entry. Among the 5 major pathways targeted by C. neoformans, the EPH-EphrinA1 (EphA2) tyrosine kinase receptor-signalling pathway was examined further. Silencing the EphA2 receptor transcript in a human brain endothelial cell line or blocking EphA2 activity with an antibody or chemical inhibitor prevented transmigration of C. neoformans in an in vitro model of the blood-brain barrier (BBB). In contrast, treating brain endothelial cells with an EphA2 chemical agonist or an EphA2 ligand promoted greater migration of fungal cells across the BBB. C. neoformans activated the EPH-tyrosine kinase pathway through a CD44-dependent phosphorylation of EphA2, promoting clustering and internalisation of EphA2 receptors. Moreover, HEK293T cells expressing EphA2 revealed an association between EphA2 and C. neoformans that boosted internalisation of C. neoformans. Collectively, the results suggest that C. neoformans promotes EphA2 activity via CD44, and this in turn creates a permeable barrier that facilitates the migration of C. neoformans across the BBB. PMID- 29197143 TI - Do mental health consumers want to improve their long-term disease risk behaviours? A survey of over 2000 psychiatric inpatients. AB - Policies and clinical guidelines acknowledge the role mental health services have in addressing the physical health of individuals with a mental illness; however, little research has explored interest in reducing health risk behaviours or the acceptability of receiving support to reduce such risks among psychiatric inpatients. This study estimated the prevalence of four long-term disease risk behaviours (tobacco smoking, hazardous alcohol consumption, inadequate fruit and/or vegetable consumption, and inadequate physical activity); patient interest in reducing these risks; and acceptability of being provided care to do so during a psychiatric inpatient stay. A cross-sectional survey was undertaken with 2075 inpatients from four inpatient psychiatric facilities in one health district in Australia (October 2012-April 2014). Prevalence of risk behaviours ranged from 50.2% (inadequate physical activity) to 94.8% (inadequate fruit and/or vegetable consumption). The majority of respondents (88.4%) had more than one risk behaviour, and most were seriously considering improving their risk behaviours (47.6% to 65.3%). The majority (80.4%) agreed that it would be acceptable to be provided support and advice to change such behaviours during their psychiatric inpatient stay. Some diagnoses were associated with smoking and hazardous alcohol consumption, interest in reducing alcohol consumption and increasing fruit and/or vegetable consumption, and acceptability of receiving advice and support. The findings reinforce the need and opportunity for psychiatric inpatient facilities to address the long-term disease risk behaviours of their patients. PMID- 29197144 TI - Protein Folding in the Presence of Water-Soluble Cyclic Diselenides with Novel Oxidoreductase and Isomerase Activities. AB - The protein disulfide isomerase (PDI) family, found in the endoplasmic reticulum (ER) of the eukaryotic cell, catalyzes the formation and cleavage of disulfide bonds and thereby helps in protein folding. A decrease in PDI activity under ER stress conditions leads to protein misfolding, which is responsible for the progression of various human diseases, such as Alzheimer's, Parkinson's, diabetes mellitus, and atherosclerosis. Here we report that water-soluble cyclic diselenides mimic the multifunctional activity of the PDI family by facilitating oxidative folding, disulfide formation/reduction, and repair of the scrambled disulfide bonds in misfolded proteins. PMID- 29197145 TI - Long-term follow-up of ribavirin-free DAA-based treatment in HCV recurrence after orthotopic liver transplantation. AB - BACKGROUND & AIMS: Excellent efficacy and safety profile of second-generation DAA combinations improved treatment of chronic hepatitis C (HCV) as well as in HCV recurrence after orthotopic liver transplantation (OLT). The need of ribavirin addition is under debate as anaemia and decreased renal function are prevalent in transplant cohorts. The aim of this study was thus to assess safety and long-term efficacy of RBV-free DAA combinations in HCV-recurrent patients after OLT. PATIENTS & METHODS: A total of 62 OLT recipients (male: 50%/81%; age: 60.7 +/- 8.5 years [mean +/- SD]; GT - 1: 48, GT - 3: 9, GT - 4: 5; cirrhosis: 34%/55% [7%/21% decompensated], fibrosing cholestatic hepatitis: 1%/2%) received RBV-free treatment with second-generation DAA combinations: sofosbuvir (SOF)/daclatasvir (DCV): 42%/68%, SOF/simeprevir (SMV): 10%/16%, SOF/ledipasvir (LDV): 6%/10% and PrOD: 4%/7%. RESULTS: Data of at least 96 weeks of FUP after treatment cessation (mean: 120; up to 167 weeks) were analysed. All patients showed on-treatment response. By intention-to-treat (ITT) analysis, SVR12 was 97% (60/62, GT-1a: 11/11 [100%]; 1b: 33/34 [97%]; 1g: 1/1 [100%]; subtype not specified: 2/2 [100%]; GT3a: 9/9 [100%]; GT4: 4/5 [80%]) compared to SVR96 of 89% (55/62). No late relapses occurred. In total, 16 severe adverse events occurred, including two newly diagnosed carcinoma (lung cancer, hepatocellular carcinoma). Six patients died; one at treatment week 24 (HCV-RNA undetectable) and five during treatment free FUP and after achieving SVR (SVR4: N = 1, SVR12: N = 3, after SVR96: N = 1 respectively). Reasons for death were: multi-organ failure (N = 4), impaired graft function (N = 1) and unknown (N = 1). CONCLUSION: RBV-free DAA combinations for the treatment of HCV recurrence after OLT are highly efficacious and well tolerated. Our long-term data show that viral eradication is durable but not necessarily translated into beneficial long-term clinical outcome. PMID- 29197146 TI - Is myocardial repolarization duration associated with repolarization heterogeneity? AB - BACKGROUND: Dispersion of repolarization is theorized as one mechanism by which myocardial repolarization prolongation causes lethal torsades de pointes, (TdP). Our primary purpose was to determine whether prolongation of myocardial repolarization as measured by the heart rate-corrected J-to-T peak interval (JTpkc), is associated with repolarization heterogeneity as measured by transmural dispersion, defined as the median duration from the peak to the end of the T wave (TpTe). METHODS: A retrospective cohort study was performed at a single urban tertiary ED from July 2011-September 2012. Inclusion criteria included all consecutive ED patients with ECG based on QTc and QRS intervals. Automated measurements of all intervals were performed. The association of JTpkc with the dependent variable TpTe was assessed after adjustment for QRS and RR interval durations with a multiple linear regression model. A secondary analysis included a similar adjusted assessment of the association of JTpkc with QT dispersion, QTd. Finally, we constructed two multiple regression models to assess the association of clinical causative factors of TdP with TpTe and JTpkc. RESULTS: Eight hundred seventy-four cases were included: 186 with QTc <500 ms, 118 with QTc >=500 and QRS >=120 ms, and 570 with QTc >=500 and QRS <120 ms. The coefficient for association of JTpkc with TpTe was -0.10 (95%CI -0.15 to -0.05), and for JTpkc with QTd was 0.03 (95% CI -0.01 to 0.06). Clinical causative TdP factors were associated more with JTpkc than TpTe. CONCLUSION: Repolarization duration as measured by JTpkc is not positively associated with dispersion of repolarization as measured by TpTe or QTd. Dispersion of repolarization may not be a critical mechanistic link between QTc prolongation and TdP. PMID- 29197147 TI - Immune response to hepatitis B vaccine in patients with chronic hepatitis C infection: A systematic review and meta-analysis. AB - Hepatitis B virus and hepatitis C virus (HCV) co-infection can add to the severity of hepatitis and the risks of liver cirrhosis and hepatocellular carcinoma. Whether chronic HCV infection decreases antibody response to hepatitis B vaccination is still controversial. We evaluate the influence of HCV infection on antibody response to hepatitis B vaccination by a systematic review of published works with a meta-analysis of clinical trials. The random-effects model of DerSimonian and Laird with heterogeneity and sensitivity analyses were used in this study. The end-point of interest was the rate of patients showing seroconversion of antibody responses at completion of hepatitis B vaccination schedule among patients with chronic HCV infection versus healthy controls. We identified 11 studies involving 704 patients with HCV and 812 controls. Our results show a significant decrease in antibody seroconversion rates among patients with HCV versus healthy controls (pooled odds ratio = 0.17 [95% confidence interval, 0.11-0.28]). The P-value was 0.21 for our test of study heterogeneity. Stratified analysis in subgroups of interest and sensitivity analysis did not meaningfully change our results. Our meta-analysis showed patients with hepatitis C infection have a statistically significant lower rate of seroconversion in comparison to healthy controls, both in cirrhotic and non cirrhotic patients. Chronic HCV infection can decrease the immune response to a standard schedule of hepatitis B vaccination. Further studies are needed to investigate the optimum vaccination schedule for patients with chronic HCV infection. PMID- 29197148 TI - Decidual CD68+ HLA-DR+ CD163- M1 macrophages increase in miscarriages with normal fetal chromosome. AB - PROBLEM: Is an abnormal increase or decrease of M1/M2 macrophages observed in the deciduae of miscarriages with normal fetal chromosome (MN)? METHODS OF STUDY: Deciduae of 18 MN and 26 miscarriages with abnormal fetal chromosome (MA) were obtained. Additionally, deciduae from 15 women whose pregnancies ended in induced abortions (IA) and endometriums at the mid-luteal phase from 19 non-pregnant women endomeriums of mid-luteal phases (EM) were obtained. Macrophages were analyzed by flow cytometry using monoclonal antibodies for CD68, HLA-DR, and CD163. RESULTS: M1 macrophages, defined as CD68+ HLA-DR+ CD163- cells, increased in MN compared with MA or IA. M2 macrophages, defined as CD68+ HLA-DR- CD163+ cells, increased in the deciduae of MA and IA compared with EM. However, this increase was not observed in the deciduae of MN. CONCLUSION: Our findings of phenotypic characters of decidual macrophages in MN provide additional evidence that M2 polarization is favorable for the maintenance of early stages of pregnancy. PMID- 29197150 TI - Insight into Metal-Organic Framework Reactivity: Chemical Water Oxidation Catalyzed by a [Ru(tpy)(dcbpy)(OH2 )]2+ -Modified UiO-67. AB - Investigation of chemical water oxidation was conducted on [Ru(tpy)(dcbpy)(OH2 )]2+ (tpy=2,2':6',2''-terpyridine, dcbpy=5,5'-dicarboxy-2,2'-bipyridine)-doped UiO-67 metal-organic framework (MOF). The MOF catalyst exhibited a single-site reaction pathway with kinetic behavior similar to that of a homogeneous Ru complex. The reaction was first order with respect to both the concentration of the Ru catalyst and ceric ammonium nitrate (CAN), with kcat =3(+/-2)*10-3 m-1 s 1 in HNO3 (pH 0.5). The common degradation pathways of ligand dissociation and dimerization were precluded by MOF incorporation, which led to sustained catalysis and greater reusability as opposed to the molecular catalyst in homogeneous solution. Lastly, at the same loading (ca. 97 nmol mg-1 ), samples of different particle sizes generated the same amount of oxygen (ca. 100 nmol), indicative of in-MOF reactivity. The results suggest that the rate of redox hopping charge transport is sufficient to promote chemistry throughout the MOF particulates. PMID- 29197149 TI - CD29 is highly expressed on epithelial, myoepithelial, and mesenchymal stromal cells of human salivary glands. AB - OBJECTIVE: The phenotype of the cells present in the ductal region of salivary glands has been well characterized. However, it is imperative to identify novel biomarkers that can identify different cell types present in other glandular components for the development of therapeutic strategies and diagnostics of salivary gland disorders and malignancies. Our study aimed at the characterization of the expression and distribution of various cell surface markers, especially with a focus on CD29 in human fetal as well as adult glands. MATERIALS AND METHODS: Paired human midgestation fetal and adult parotid, sublingual, and submandibular glands were collected. Phenotypic expression of various lineage-specific cell surface markers including CD29 was investigated in freshly collected glands. The findings were further corroborated by immunohistochemistry. RESULTS: Enriched expression of CD29 was found on acinar and ductal epithelial, mesenchymal stromal, and myoepithelial cells; CD29+ cells co-expressed epithelial (CD324, CD326, NKCC1, and CD44), mesenchymal (CD73, CD90, vimentin, and CD34), and myoepithelial (alpha-SMA) cell-specific progenitor markers in both fetal as well as adult salivary glands. CONCLUSION: CD29 is widely expressed in human salivary glands, and it could serve as a potential biomarker for devising novel cellular therapeutic and diagnostic strategies for salivary gland disorders and malignancies. PMID- 29197151 TI - Transcriptional regulation of CacyBP/SIP gene and the influence of increased CacyBP/SIP level on gene expression pattern in colorectal cancer HCT116 cells. AB - The CacyBP/SIP protein is expressed at a particularly high level in brain, spleen, and various tumors. In this work, we have studied transcriptional regulation of the CacyBP/SIP gene and the influence of increased CacyBP/SIP level on gene expression in colorectal cancer HCT116 cells. We have shown that E2F1, EGR1, and CREB transcription factors bind to the CacyBP/SIP gene promoter and stimulate transcription of CacyBP/SIP gene. The role of CREB was further confirmed by the observation that forskolin, a strong activator of CREB phosphorylation/activity, increased CacyBP/SIP gene promoter activity. Moreover, we have shown that CREB dominant negative mutants, CREB133 and KCREB, inhibits CacyBP/SIP promoter activity. To check the biological significance of increased CacyBP/SIP expression/level we have applied RNA microarray analysis and have found that upregulation of CacyBP/SIP entails changes in mRNA level of many genes involved, among others, in immune processes. (c) 2017 IUBMB Life, 70(1):50-59, 2018. PMID- 29197153 TI - Recommendations for future research in relation to pediatric pulmonary embolism: communication from the SSC of the ISTH. PMID- 29197152 TI - The national burden of influenza-associated severe acute respiratory illness hospitalization in Rwanda, 2012-2014. AB - BACKGROUND: Estimates of influenza-associated hospitalization are severely limited in low- and middle-income countries, especially in Africa. OBJECTIVES: To estimate the national number of influenza-associated severe acute respiratory illness (SARI) hospitalization in Rwanda. METHODS: We multiplied the influenza virus detection rate from influenza surveillance conducted at 6 sentinel hospitals by the national number of respiratory hospitalization obtained from passive surveillance after adjusting for underreporting and reclassification of any respiratory hospitalizations as SARI during 2012-2014. The population at risk was obtained from projections of the 2012 census. Bootstrapping was used for the calculation of confidence intervals (CI) to account for the uncertainty associated with all levels of adjustment. Rates were expressed per 100 000 population. A sensitivity analysis using a different estimation approach was also conducted. RESULTS: SARI cases accounted for 70.6% (9759/13 813) of respiratory admissions at selected hospitals: 77.2% (6783/8786) and 59.2% (2976/5028) among individuals aged <5 and >=5 years, respectively. Overall, among SARI cases tested, the influenza virus detection rate was 6.3% (190/3022): 5.7% (127/2220) and 7.8% (63/802) among individuals aged <5 and >=5 years, respectively. The estimated mean annual national number of influenza-associated SARI hospitalizations was 3663 (95% CI: 2930-4395-rate: 34.7; 95% CI: 25.4-47.7): 2637 (95% CI: 2110-3164-rate: 168.7; 95% CI: 135.0-202.4) among children aged <5 years and 1026 (95% CI: 821-1231-rate: 11.3; 95% CI: 9.0-13.6) among individuals aged >=5 years. The estimates obtained from both approaches were not statistically different (overlapping CIs). CONCLUSIONS: The burden of influenza-associated SARI hospitalizations was substantial and was highest among children aged <5 years. PMID- 29197154 TI - Risk factors for serious outcomes associated with influenza illness in high- versus low- and middle-income countries: Systematic literature review and meta analysis. AB - AIM: To determine factors associated with a serious outcome (hospital admission or severe outcome: critical care or death) and associated with illness caused by laboratory-confirmed influenza, with a specific interest in low- and middle income countries (LMIC). METHOD: Databases were searched on 11 March 2016 for reports of influenza and factors associated with mortality or morbidity in humans, with no language restrictions. Pooled risks were estimated using random effects models. RESULTS: Despite the heterogeneity of results across studies, known risk factors for serious disease were associated with both hospital admission and severe outcomes (critical care and/or death). In LMIC, but not in high income countries (HIC), pregnant women, people with HIV/AIDS and children < 5 years old (compared with older children) were at increased risk of a severe outcome. Also, although all patients with neurological conditions were at higher risk of severe outcomes than those without, children were at higher risk than adults and children who lived in a LMIC were at significantly higher risk than those living in HIC. Adults were more likely than children to suffer a severe outcome if they had diabetes or a hematologic condition, were obese or had liver disease. Asthma is a risk factor for hospital admission but not for severe outcomes. CONCLUSION: Known risk factors for serious disease remain important predictors of hospital admission and severe outcomes with few differences between HIC and LMIC countries. These differences likely reflect differences in health seeking behaviours and health services, but high heterogeneity between studies limits conclusions about the effect size. PMID- 29197155 TI - High-intensity interval training improves insulin sensitivity in older individuals. AB - AIM: Metabolic health may deteriorate with age as a result of altered body composition and decreased physical activity. Endurance exercise is known to counter these changes delaying or even preventing onset of metabolic diseases. High-intensity interval training (HIIT) is a time efficient alternative to regular endurance exercise, and the aim of this study was to investigate the metabolic benefit of HIIT in older subjects. METHODS: Twenty-two sedentary male (n = 11) and female (n = 11) subjects aged 63 +/- 1 years performed HIIT training three times/week for 6 weeks on a bicycle ergometer. Each HIIT session consisted of five 1-minute intervals interspersed with 11/2-minute rest. Prior to the first and after the last HIIT session whole-body insulin sensitivity, measured by a hyperinsulinaemic-euglycaemic clamp, plasma lipid levels, HbA1c, glycaemic parameters, body composition and maximal oxygen uptake were assessed. Muscle biopsies were obtained wherefrom content of glycogen and proteins involved in muscle glucose handling were determined. RESULTS: Insulin sensitivity (P = .011) and maximal oxygen uptake increased (P < .05) in both genders, while plasma cholesterol (P < .05), low-density lipoprotein (P < .05), visceral fat mass (P < .05) and per cent body fat (P < .05) decreased after 6 weeks of HIIT. HbA1c decreased only in males (P = .001). Muscle glycogen content increased in both genders (P = .001) and in line GLUT4 (P < .05), glycogen synthase (P = .001) and hexokinase II (P < .05) content all increased. CONCLUSION: Six weeks of HIIT significantly improves metabolic health in older males and females by reducing age-related risk factors for cardiometabolic disease. PMID- 29197156 TI - Identification of aggregates in therapeutic formulations of recombinant full length factor VIII products by sedimentation velocity analytical ultracentrifugation. AB - : Essentials Factor VIII inhibitors are the most serious complication in patients with hemophilia A. Aggregates in biopharmaceutical products are an immunogenic risk factor. Aggregates were identified in recombinant full-length factor VIII products. Aggregates in recombinant factor VIII products are identified by analytical ultracentrifugation. SUMMARY: Background The development of inhibitory anti-factor VIII antibodies is the most serious complication in the management of patients with hemophilia A. Studies have suggested that recombinant full-length FVIII is more immunogenic than plasma-derived FVIII, and that, among recombinant FVIII products, Kogenate is more immunogenic than Advate. Aggregates in biopharmaceutical products are considered a risk factor for the development of anti-drug antibodies. Objective To evaluate recombinant full-length FVIII products for the presence of aggregates. Methods Advate, Helixate and Kogenate were reconstituted to their therapeutic formulations, and subjected to sedimentation velocity (SV) analytical ultracentrifugation (AUC). Additionally, Advate and Kogenate were concentrated and subjected to buffer exchange by ultrafiltration to remove viscous cosolvents for the purpose of measuring s20,w values and molecular weights. Results The major component of all three products was a population of ~7.5 S heterodimers with a weight-average molecular weight of ~230 kDa. Helixate and Kogenate contained aggregates ranging from 12 S to at least 100 S, representing ~ 20% of the protein mass. Aggregates greater than 12 S represented < 3% of the protein mass in Advate. An approximately 10.5 S aggregate, possibly representing a dimer of heterodimers, was identified in buffer-exchanged Advate and Kogenate. SV AUC analysis of a plasma-derived FVIII product was confounded by the presence of von Willebrand factor in molar excess over FVIII. Conclusions Aggregate formation has been identified in recombinant full-length FVIII products, and is more extensive in Helixate and Kogenate than in Advate. SV AUC is an important method for characterizing FVIII products. PMID- 29197157 TI - Application of the ISNT rules on retinal nerve fibre layer thickness and neuroretinal rim area in healthy myopic eyes. AB - PURPOSE: We determined the applicability of inferior > superior > nasal > temporal (ISNT) rules on retinal nerve fibre layer (RNFL) thickness and rim area and evaluated the impact of various ocular factors on the performance of the ISNT rules in healthy myopic eyes. METHODS: A total of 138 eyes from 138 healthy myopic subjects were included in this cross-sectional observational study. The peripapillary RNFL and optic disc in each eye were imaged with Cirrus HD optical coherence tomography (OCT) and Heidelberg Retina Tomograph II (HRT2), respectively. The performance of the inferior > superior (IS), inferior > superior > nasal > temporal (IST) and ISNT rules on RNFL thickness and rim area was determined and compared between low-to-moderate myopia and high myopia. The effects of ocular factors [including axial length, disc area, disc tilt, disc torsion, disc-fovea angle (DFA) and retina artery angle] on the performance of ISNT rules were evaluated with logistic regression analysis. RESULTS: The mean axial length and refractive error were 25.57 +/- 1.09 mm (range, 22.52-28.77 mm) and -5.12 +/- 2.30 D [range, -9.63 to -0.50 dioptres (D)], respectively. Sixty three per cent of the healthy eyes were compliant with the ISNT rule on rim area, while ISNT rule on RNFL thickness was followed in only 11.6% of the included eyes. For rim area, smaller disc area was significantly associated with increased compliance of the IS rule (odds ratio: 0.46, p = 0.039), IST rule (odds ratio: 0.46, p = 0.037) and ISNT rule (odds ratio: 0.44, p = 0.030). For RNFL thickness, greater DFA was significantly associated with increased compliance of the IS and IST rules (odds ratio: 1.30, p < 0.001; odds ratio: 1.19, p = 0.006, respectively). CONCLUSION: In healthy myopic subjects, 88.4% and 37% of eyes did not comply with the ISNT rule on RNFL thickness and rim area, respectively. Due to significant low compliance in healthy eyes, the ISNT rule and its variants have limited potential utility in diagnosing glaucoma in myopic subjects. PMID- 29197158 TI - Design, synthesis, and molecular docking studies of N-(9,10-anthraquinone-2 carbonyl)amino acid derivatives as xanthine oxidase inhibitors. AB - A series of N-(9,10-anthraquinone-2-carbonyl)amino acid derivatives (1a-j) was designed and synthesized as novel xanthine oxidase inhibitors. Among them, the L/D-phenylalanine derivatives (1d and 1i) and the L/D-tryptophan derivatives (1e and 1j) were effective with micromolar level potency. In particular, the L phenylalanine derivative 1d (IC50 = 3.0 MUm) and the D-phenylalanine derivative 1i (IC50 = 2.9 MUm) presented the highest potency and were both more potent than the positive control allopurinol (IC50 = 8.1 MUm). Preliminary SAR analysis pointed that an aromatic amino acid fragment, for example, phenylalanine or tryptophan, was essential for the inhibition; the D-amino acid derivative presented equal or greater potency compared to its L-enantiomer; and the 9,10 anthraquinone moiety was welcome for the inhibition. Molecular simulations provided rational binding models for compounds 1d and 1i in the xanthine oxidase active pocket. As a result, compounds 1d and 1i could be promising lead compounds for further investigation. PMID- 29197159 TI - Intra-ocular diathermy forceps. AB - PURPOSE: The purpose of this study was to develop intra-ocular diathermy forceps and test them on perfused porcine cadaver eyes. METHODS: We designed two types of 23-gauge intra-ocular bipolar diathermy forceps by modifying commercially available membrane peeling forceps. In the first type, the emitting electrode is connected to one-half of the core and the return electrode to the other half, with one jaw of the forceps attached to each half. In the second type, the emitting electrode is attached to the core and both jaws of the forceps, and the return electrode to the surrounding tube. We compared the new diathermy forceps to conventional intra-ocular diathermy, on perfused porcine cadaver eyes. First order retinal artery and vein closure was confirmed both by a perfusion study and by histology of the treated vessels. RESULTS: Type 1 diathermy forceps closed retinal arteries and veins more successfully (five of five and five of five successful treatments, respectively) than Type 2 diathermy forceps (five of five and four of five, respectively) and conventional diathermy (three of five and four of five, respectively). Less energy was used with Type 1 compared to Type 2 and conventional for artery closure (1.5 +/- 0.0 versus 4.6 +/- 3.3 versus 2.1 +/ 0.8 joules, respectively) and vein closure (1.5 +/- 0.0 versus 5.4 +/- 4.6 versus 2.4 +/- 0.8 joules, respectively). Histology of the treated vessels confirmed the perfusion study results. CONCLUSION: We designed two types of a new multifunctional intra-ocular instrument with the ability to peel membranes and to grasp, compress and coagulate retinal blood vessels. Both types pose operational advantages compared to current conventional intra-ocular diathermy. PMID- 29197161 TI - Influenza-associated mortality in South Africa, 2009-2013: The importance of choices related to influenza infection proxies. AB - BACKGROUND: Regression modeling methods are commonly used to estimate influenza associated mortality using covariates such as laboratory-confirmed influenza activity in the population as a proxy of influenza incidence. OBJECTIVE: We examined the choices of influenza proxies that can be used from influenza laboratory surveillance data and their impact on influenza-associated mortality estimates. METHOD: Semiparametric generalized additive models with a smoothing spline were applied on national mortality data from South Africa and influenza surveillance data as covariates to obtain influenza-associated mortality estimates from respiratory causes from 2009 to 2013. Proxies examined included alternative ways of expressing influenza laboratory surveillance data such as weekly or yearly proportion or rate of positive samples, using influenza subtypes, or total influenza data and expressing the data as influenza season specific or across all seasons. RESULT: Based on model fit, weekly proportion and influenza subtype-specific proxy formulation provided the best fit. The choice of proxies used gave large differences to mortality estimates, but the 95% confidence interval of these estimates overlaps. CONCLUSION: Regardless of proxy chosen, mortality estimates produced may be broadly consistent and not statistically significant for public health practice. PMID- 29197160 TI - Compartment-specific dynamics and functions of autophagy in neurons. AB - Autophagy is a lysosomal degradation pathway that is critical to maintaining neuronal homeostasis and viability. Autophagy sequesters damaged and aged cellular components from the intracellular environment, and shuttles these diverse macromolecules to lysosomes for destruction. This active surveillance of the quality of the cytoplasm and organelles is essential in neurons to sustain their long-term functionality and viability. Indeed, defective autophagy is linked to neurodevelopmental abnormalities and neurodegeneration in mammals. Here, we review the mechanisms of autophagy in neurons and functional roles for autophagy in neuronal homeostasis. We focus on the compartment-specific dynamics of autophagy in neurons, and how autophagy might perform non-canonical functions critical for neurons. We suggest the existence of multiple populations of autophagosomes with compartment-specific functions important for neural activity and function. (c) 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 298-310, 2018. PMID- 29197162 TI - Design, synthesis, and cytotoxic evaluation of novel furo[2,3-b]quinoline derivatives. AB - A number of novel furo[2,3-b]quinoline derivatives were designed and synthesized by introducing benzyl ether, benzoate, and benzenesulfonate to 6-position of furo[2,3-b]quinoline and their chemical structures were confirmed by ESI-MS, 1 H NMR, and 13 C NMR spectra. All target compounds were evaluated in vitro against four human cancer cell lines (HCT-116, MCF-7, U2OS, and A549) by MTT method. Cytotoxic assay showed that compounds 8a, 8e, 10a, 10b, and 10c exhibited more potent cytotoxicities compared to 2-bromine-6-hydroxy-furo-[2,3-b]quinoline (7). Compound 10c exhibited higher antiproliferative activity (IC50 values ranging from 4.32 to 24.96 MUm) against four human cancer cell lines (HCT-116, MCF-7, U2OS, and A549) and weak cytotoxicity on normal cell HL-7702, which suggested that 10c might be an ideal anticancer candidate. Compounds 8a, 10a, 10b showed good selectivities to MCF-7 and HCT-116, which could be considered as ideal selective candidates for further study. The SARs showed that the introduction of the benzyl ether and benzenesulfonate could significantly improve cytotoxicities, while the benzoate failed to enhance potency obviously. PMID- 29197163 TI - Model for pressure drop and flow deflection in the numerical simulation of stents in aneurysms. AB - The numerical simulation of flow diverters like stents contributes to the development and improvement of endovascular stenting procedures, leading ultimately to an improved treatment of intracranial aneurysms. Due to the scale difference between the struts of flow diverters and the full artery, it is common to avoid fully resolved simulations at the level of the stent porosity. Instead, the effect of stents on the flow is represented by a heuristic continuum model. However, the commonly used porous media models describe the properties of flow diverters only partially, because they do not explicitly account for the deflection of the flow direction by the stent. We show that this deficiency can be circumvented by adopting the theoretical framework of screen models. The article first reviews existing screen models. It then proposes an explicit formula for the drag and the deflection coefficient, as predicted by each model, for both perpendicular and inclined angles. The results of 2D numerical simulations are used to formulate a generalization of these formulas, to achieve best results in the case of stent modeling. The obtained model is then validated, again through 2D numerical simulation. PMID- 29197164 TI - Epidemiology and morphology of full-thickness macular holes. AB - PURPOSE: To investigate the incidence of full-thickness macular holes (FTMHs) and their morphological features according to the International Vitreomacular Traction Study (IVTS) classification. METHODS: The clinical records of all new patients with FTMH, referred between 2008 and 2014, were reviewed for demographics, cause of the FTMH, age at diagnosis, symptom duration, laterality, visual acuity (VA), axial length and lens status. A detailed analysis of the patients' spectral domain optical coherence tomography (SD-OCT) images was performed, and the primary FTMHs were classified in clinical stages according to the IVTS classification. From the SD-OCT, accurate macula drawings were made by means of a computer-drawing software. By merging these drawings and displaying them as colour-coded maps, the morphology and shape of the FTMH were visualized. RESULTS: The study included 177 eyes (152 primary and 25 secondary FTMH) in 166 patients. In primary FTMH, the male-to-female ratio was 1:2.2. The age- and gender-adjusted annual incidences of primary FTMH were 7.9 eyes and 7.4 individuals per 100 000 inhabitants. Mean primary FTMH minimum linear diameter (MLD) and basal diameter (BD) were 435 MUm and 872 MUm, respectively, and 13% were classified as small, 31% as medium and 55% as large. Vitreomacular traction (VMT) and epiretinal membrane (ERM) were present in 34% and 36% of the eyes, respectively. CONCLUSION: This study provides data on the incidence rates of FTMH adjusted to different standard populations. The morphological analysis and novel computational visualization technique offer new insight into the structural complexity of FTMH and how VMT and ERM significantly influence FTMH configuration. PMID- 29197165 TI - The treatment of postoperative endophthalmitis: should we still follow the endophthalmitis vitrectomy study more than two decades after its publication? AB - Conducted in the early 1990s Endophthalmitis Vitrectomy Study (EVS) have helped in establishing reasonable guidelines for the management of infectious postoperative endophthalmitis. However at present, more than 20 years after its publication, tremendous progress has been introduced in vitrectomy technology, which now permits the vitreoretinal surgeon to perform surgery more safely, and with better outcomes. Moerover, performing a complete vitreous removal, along with the moving up of the surgical intervention to as early as possible allows the prevention of complications that would limit the functional improvement postoperatively. Thus, it is now highly needed to re-evaluate the conclusions of the EVS study. PMID- 29197166 TI - Early postnatal development of electrophysiological and histological properties of sensory sural nerves in male rats that were maternally deprived and artificially reared: Role of tactile stimulation. AB - Early adverse experiences disrupt brain development and behavior, but little is known about how such experiences impact on the development of the peripheral nervous system. Recently, we found alterations in the electrophysiological and histological characteristics of the sensory sural (SU) nerve in maternally deprived, artificially reared (AR) adult male rats, as compared with maternally reared (MR) control rats. In the present study, our aim was to characterize the ontogeny of these alterations. Thus, male pups of four postnatal days (PND) were (1) AR group, (2) AR and received daily tactile stimulation to the body and anogenital region (AR-Tactile group); or (3) reared by their mother (MR group). At PND 7, 14, or 21, electrophysiological properties and histological characteristics of the SU nerves were assessed. At PND 7, the electrophysiological properties and most histological parameters of the SU nerve did not differ among MR, AR, and AR-Tactile groups. By contrast, at PND 14 and/or 21, the SU nerve of AR rats showed a lower CAP amplitude and area, and a significant reduction in myelin area and myelin thickness, which were accompanied by a reduction in axon area (day 21 only) compared to the nerves of MR rats. Tactile stimulation (AR-Tactile group) partially prevented most of these alterations. These results suggest that sensory cues from the mother and/or littermates during the first 7-14 PND are relevant for the proper development and function of the adult SU nerve. (c) 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 351-362, 2018. PMID- 29197167 TI - To Take or Not to Take With Meals? Unraveling Issues Related to Food Effects Labeling for Oral Antineoplastic Drugs. AB - There has been controversy regarding whether bioavailability of certain oral oncology drugs should be maximized by taking these medications with food, irrespective of label instructions in the dosing and administration section. To provide insight into this controversy, we conducted an in-depth analysis for oral antineoplastic drugs approved by the Food and Drug Administration in 2000-2016 and identified important issues influencing food labeling decisions. Furthermore, a case study involving sonidegib, a drug approved for locally advanced basal cell carcinoma with a significant food effect on exposure, was used to demonstrate the consequences of failure to adhere to food label recommendations using drug specific population pharmacokinetic and exposure-toxicity models. In 2000-2009, 80% (4 out of 5) of all approved oral antineoplastics with increased bioavailability in the fed state were labeled as "take on empty stomach." In contrast, we found that in 2010-2016 there is a greater diversity in food recommendations for drugs with increased bioavailability in the fed state. Currently, many oral oncology drugs are given with food to maximize their bioavailability; however, as seen from our case study of sonidegib, failure to fully adhere to label recommendations to either take with food or not could lead to adverse consequences in terms of safety and efficacy. PMID- 29197168 TI - Dissociation between executed and imagined bimanual movements in autism spectrum conditions. AB - : Autism spectrum conditions (ASC) are characterized by social-communicative deficits and repetitive stereotyped behaviors. Altered motor coordination is also observed and a dysfunction of motor imagery has been recently reported on implicit tasks. However, no information on explicit motor imagery abilities is available in ASC. Here, we employed a spatial bimanual task to concurrently assess motor coordination and explicit motor imagery in autism. A secondary objective of the study was to evaluate these abilities across two populations of ASC, namely adolescents and adults with ASC. To this aim, we took advantage of the circles-lines task in which where participants were asked to continuously draw: right hand lines (unimanual condition); right hand lines and left hand circles (bimanual condition); right hand lines while imagining to draw left hand circles (imagery condition). For each participant, an Ovalization Index (OI) was calculated as a deviation of the right hand drawing trajectory from an absolute vertical axis. Results showed a significant and similar coupling effect in the bimanual condition (i.e., a significant increase of the OI values with respect to the unimanual condition) in both controls and ASC participants. On the contrary, in the imagery condition, a significant coupling effect was found only in controls. Furthermore, adult controls showed a significantly higher imagery coupling effect in comparison to all the other groups. These results demonstrate that atypical motor imagery processes in ASC are not limited to implicit tasks and suggest that development of neural structures involved in motor imagery are immature in ASC. Autism Res 2018, 11: 376-384. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Autism spectrum conditions (ASC) are characterized by social-communicative and motor coordination difficulties but in many cases also by an impaired capability to imagine movements. In this study we found that while two handed coordination in ASC can be developed as well as in typically developed persons, the development of motor imagery could still be immature in ASC, leading to difficulties in imagining, understanding as well as programming and coordinating complex movements. PMID- 29197169 TI - Human like me: Evidence that I-sharing humanizes the otherwise dehumanized. AB - People persistently undermine the humanness of outgroup members, leaving researchers perplexed as to how to address this problem of 'dehumanization' (Haslam & Loughnan, , Ann Rev of Psychol, 65, 399; Leyens, , Group Process Intergroup Relat, 12, 807). Here, we test whether I-sharing (i.e., sharing a subjective experience) counters this tendency by promoting the humanization of outgroup members. In Study 1, White participants had a face-to-face meeting with a White or Black confederate and either did or did not I-share with this confederate. The extent to which participants humanized the outgroup member depended on whether or not they I-shared with her. Study 2 tested the effect of I sharing on the two distinct dimensions of dehumanization (Haslam, , Pers Soc Psychol Rev, 10, 252). Conceptually replicating the results of Study 1, participants who I-shared with a social class ingroup or outgroup member rated their partner as higher in human nature than those who did not I-share with their partner. These results add to the growing literature on I-sharing's implications for intergroup processes and suggest effective ways of tackling a persistent problem. PMID- 29197170 TI - December 2017 Issue of JCD. PMID- 29197171 TI - Evaluation of the effects of acne vulgaris on quality of life in Turkey by using TAQLI. AB - BACKGROUND: Acne vulgaris (AV) is a chronic, inflammatory skin disease that may cause various psychiatric and/or psychological problems. OBJECTIVE: In this study, we aimed to determine the effect of AV on the quality of life in the Turkish population using the Turkish Acne Quality of Life Index (TAQLI). METHODS: A total of 960 patients with AV who attended the dermatology department were included in the study. Acne severity was determined using the global acne classification system. TAQLI was used to evaluate the effect of acne on quality of life. RESULTS: The 960 patients consisted of 673 (70.1%) females and 287 (29.9%) males. There were 536 (55.8%) patients under the age of 20, 386 (40.2%) aged 20-30, and 38 (4.0%) over 30. Acne duration varied between 1 and 20 years, and the mean duration was 2.95 +/- 2.53 years. The mean TAQLI value of all patients was 20.8 +/- 9.5. The mean TAQLI value was statistically significantly higher in female patients, in patients with an acne duration of more than 2 years, and in those with very severe acne. However, no statistically significant difference was found between the age groups. CONCLUSION: We observed that the quality of life in patients with AV was affected, and this effect was more significant in female patients, patients with severe acne and longer acne duration. We believe that the psychiatric/psychological effects should be followed up closely in this group of patients. PMID- 29197172 TI - Sleep patterns predictive of daytime challenging behavior in individuals with low functioning autism. AB - : Increased severity of problematic daytime behavior has been associated with poorer sleep quality in individuals with autism spectrum disorder. In this work, we investigate whether this relationship holds in a real-time setting, such that an individual's prior sleep can be used to predict their subsequent daytime behavior. We analyzed an extensive real-world dataset containing over 20,000 nightly sleep observations matched to subsequent challenging daytime behaviors (aggression, self-injury, tantrums, property destruction and a challenging behavior index) across 67 individuals with low-functioning autism living in two U.S. residential facilities. Using support vector machine classifiers, a statistically significant predictive relationship was found in 81% of individuals studied (P < 0.05). For all five behaviors examined, prediction accuracy increased up to approximately eight nights of prior sleep used to make the prediction, indicating that the behavioral effects of sleep may manifest on extended timescales. Accurate prediction was most strongly driven by sleep variability measures, highlighting the importance of regular sleep patterns. Our findings constitute an initial step towards the development of a real-time monitoring tool to pre-empt behavioral episodes and guide prophylactic treatment for individuals with autism. Autism Res 2018, 11: 391-403. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We analyzed over 20,000 nights of sleep from 67 individuals with autism to investigate whether daytime behaviors can be predicted from prior sleep patterns. Better-than chance accuracy was obtained for 81% of individuals, with measures of night-to night variation in sleep timing and duration most relevant for accurate prediction. Our results highlight the importance of regular sleep patterns for better daytime functioning and represent a step toward the development of 'smart sleep technologies' to pre-empt behavior in individuals with autism. PMID- 29197173 TI - Evaluation of data sources and approaches for estimation of influenza-associated mortality in India. AB - BACKGROUND: No estimates of influenza-associated mortality exist for India. OBJECTIVE: To evaluate national mortality and viral surveillance data from India for assessing their appropriateness in estimating influenza-associated mortality using varied analytic approaches. METHODS: We reviewed influenza virus surveillance data from a national influenza surveillance network. We also reviewed national mortality data from Civil Registration System (CRS), Medical Certification of Cause of Death (MCCD) and the Sample Registration System (SRS). We compared and scored the different sources of mortality data using specific criteria, including the process of cause of death assignment, sample size, proportion of ill-defined deaths, representativeness and availability of time series data. Each of these 5 parameters was scored on a scale from 1 to 5. To evaluate how to generate an influenza-associated mortality estimate for India, we also reviewed 4 methodologic approaches to assess the appropriateness of their assumptions and requirements for these data sets. RESULTS: The influenza virus surveillance data included year-round sample testing for influenza virus and was found to be suitable for influenza mortality estimation modelling. Based on scoring for the 5 mortality data criteria, the SRS data had the highest score with 20 of 25 possible score, whereas MCCD and CRS scored 16 and 12, respectively. The SRS which used verbal autopsy survey methods was determined to be nationally representative and thus adequate for estimating influenza associated mortality. Evaluation of the modelling methods demonstrated that Poisson regression, risk difference and mortality multiplier methods could be applied to the Indian setting. CONCLUSION: Despite significant challenges, it is possible to estimate influenza-associated mortality in India. PMID- 29197174 TI - Estimates of seasonal influenza-associated mortality in Bangladesh, 2010-2012. AB - BACKGROUND: Seasonal influenza-associated mortality estimates help identify the burden of disease and assess the value of public health interventions such as annual influenza immunization. Vital registration is limited in Bangladesh making it difficult to estimate seasonal influenza mortality. OBJECTIVES: Our study aimed to estimate seasonal influenza-associated mortality rates for 2010-2012 in Bangladesh. METHODS: We conducted surveillance among hospitalized patients with severe acute respiratory illness (SARI) for persons aged >=5 years and severe pneumonia for children <5 years in 11 sites across Bangladesh. We defined the catchment areas of these sites and conducted a community survey in 22 randomly selected unions (administrative units) within the catchment areas to identify respiratory deaths. We multiplied the proportion of influenza-positive patients at our surveillance sites by the age-specific number of respiratory deaths identified to estimate seasonal influenza-associated mortality. RESULTS: Among 4221 surveillance case-patients, 553 (13%) were positive for influenza viruses. Concurrently, we identified 1191 persons who died within 2 weeks of developing an acute respiratory illness within the catchment areas of the surveillance hospitals. In 2010-2011, the estimated influenza-associated mortality rate was 6 (95% CI 4-9) per 100 000 for children <5 years and 41 (95% CI 35-47) per 100 000 for persons >60 years. During 2011-2012, the estimated influenza-associated mortality rate was 13 (95% CI 10-16) per 100 000 among children <5 years and 88 (95% CI 79-98) per 100 000 among persons aged >60 years. CONCLUSIONS: We identified a substantial burden of influenza-associated deaths in Bangladesh suggesting that the introduction of prevention and control measures including seasonal vaccination should be considered by local public health decision-makers. PMID- 29197175 TI - Pharmacokinetics of Diclofenac and Hydroxypropyl-beta-Cyclodextrin (HPbetaCD) Following Administration of Injectable HPbetaCD-Diclofenac in Subjects With Mild to Moderate Renal Insufficiency or Mild Hepatic Impairment. AB - Given their established analgesic properties, nonsteroidal anti-inflammatory drugs (NSAIDs) represent an important postoperative pain management option. This study investigated: (1) the effects of mild or moderate renal insufficiency and mild hepatic impairment on the pharmacokinetics (PK) of diclofenac and hydroxypropyl-beta-cyclodextrin (HPbetaCD) following administration of the injectable NSAID HPbetaCD-diclofenac; and (2) the PK of HPbetaCD following administration of HPbetaCD-diclofenac and intravenous itraconazole formulated with HPbetaCD in healthy adults. Diclofenac clearance (CL) and volume of distribution (Vz ) tended to increase with decreasing renal function (moderate insufficiency versus mild insufficiency or healthy controls). Regression analysis demonstrated a significant relationship between Vz (but not CL or elimination half-life, t1/2 ) and renal function. HPbetaCD CL was significantly decreased in subjects with renal insufficiency, with a corresponding increase in t1/2 . There were no significant differences in diclofenac or HPbetaCD PK in subjects with mild hepatic impairment versus healthy subjects. Exposure to HPbetaCD in healthy subjects following HPbetaCD-diclofenac administration was ~12% of that with intravenous itraconazole, after adjusting for dosing schedule and predicted accumulation (<5% without adjustment). With respect to PK properties, these results suggest that HPbetaCD-diclofenac might be administered to patients with mild or moderate renal insufficiency or mild hepatic impairment without dose adjustment (NCT00805090). PMID- 29197176 TI - Toward real-time diffuse optical tomography: accelerating light propagation modeling employing parallel computing on GPU and CPU. AB - Parameter recovery in diffuse optical tomography is a computationally expensive algorithm, especially when used for large and complex volumes, as in the case of human brain functional imaging. The modeling of light propagation, also known as the forward problem, is the computational bottleneck of the recovery algorithm, whereby the lack of a real-time solution is impeding practical and clinical applications. The objective of this work is the acceleration of the forward model, within a diffusion approximation-based finite-element modeling framework, employing parallelization to expedite the calculation of light propagation in realistic adult head models. The proposed methodology is applicable for modeling both continuous wave and frequency-domain systems with the results demonstrating a 10-fold speed increase when GPU architectures are available, while maintaining high accuracy. It is shown that, for a very high-resolution finite-element model of the adult human head with ~600,000 nodes, consisting of heterogeneous layers, light propagation can be calculated at ~0.25 s/excitation source. PMID- 29197177 TI - Parametric imaging of collagen structural changes in human osteoarthritic cartilage using optical polarization tractography. AB - Collagen degeneration is an important pathological feature of osteoarthritis. The purpose of this study is to investigate whether the polarization-sensitive optical coherence tomography (PSOCT)-based optical polarization tractography (OPT) can be useful in imaging collagen structural changes in human osteoarthritic cartilage samples. OPT eliminated the banding artifacts in conventional PSOCT by calculating the depth-resolved local birefringence and fiber orientation. A close comparison between OPT and PSOCT showed that OPT provided improved visualization and characterization of the zonal structure in human cartilage. Experimental results obtained in this study also underlined the importance of knowing the collagen fiber orientation in conventional polarized light microscopy assessment. In addition, parametric OPT imaging was achieved by quantifying the surface roughness, birefringence, and fiber dispersion in the superficial zone of the cartilage. These quantitative parametric images provided complementary information on the structural changes in cartilage, which can be useful for a comprehensive evaluation of collagen damage in osteoarthritic cartilage. PMID- 29197178 TI - Optical coherence tomography and computer-aided diagnosis of a murine model of chronic kidney disease. AB - Chronic kidney disease (CKD) is characterized by a progressive loss of renal function over time. Histopathological analysis of the condition of glomeruli and the proximal convolutional tubules over time can provide valuable insights into the progression of CKD. Optical coherence tomography (OCT) is a technology that can analyze the microscopic structures of a kidney in a nondestructive manner. Recently, we have shown that OCT can provide real-time imaging of kidney microstructures in vivo without administering exogenous contrast agents. A murine model of CKD induced by intravenous Adriamycin (ADR) injection is evaluated by OCT. OCT images of the rat kidneys have been captured every week up to eight weeks. Tubular diameter and hypertrophic tubule population of the kidneys at multiple time points after ADR injection have been evaluated through a fully automated computer-vision system. Results revealed that mean tubular diameter and hypertrophic tubule population increase with time in post-ADR injection period. The results suggest that OCT images of the kidney contain abundant information about kidney histopathology. Fully automated computer-aided diagnosis based on OCT has the potential for clinical evaluation of CKD conditions. PMID- 29197179 TI - Metagenomic Investigation of Idiopathic Meningoencephalomyelitis in Dogs. AB - BACKGROUND: Meningoencephalomyelitis of unknown origin (MUO) is a common and life threatening neuroinflammatory disease in dogs. Features of the disease are suggestive of an underlying immune-mediated process, but the association of this disease with a pathogen is still unknown. HYPOTHESIS/OBJECTIVES: To search for candidate etiologic agent associated with cases if MUO using next generation metagenomic sequencing. ANIMALS: Twenty-two dogs diagnosed with either MUO (11/22; 10 CSF and 3 brain), or noninflammatory CNS diseases inconsistent with MUO (11/22; 11 CSF and 2 brain) that served as negative controls. METHODS: A case control study was performed by identifying MUO and non-MUO cases. Samples were blindly processed and then unblinded for comparative analyses. Inclusion criteria for MUO cases included consistent MRI lesions and inflammatory CSF with a negative PCR panel for infectious agents or histopathologic diagnosis. Dogs with glucocorticoid therapy within 2 weeks of sample collection were excluded. Fresh frozen cerebrospinal fluid (CSF; 21) and brain (5) samples were collected and RNA and DNA were extracted separately for shotgun metagenomic sequencing. Known positive samples were used as controls to validate our sequencing and analysis pipelines and to establish limits of detection. Sequencing results were analyzed at a nucleotide and protein level for broad comparison to known infectious organisms. RESULTS: No candidate etiologic agents were identified in dogs with MUO. CONCLUSIONS AND CLINICAL IMPORTANCE: These results support but do not prove the hypothesis that MUO is not associated with infectious agents and might be an autoimmune disease. PMID- 29197180 TI - Acupuncture for neuropathic pain in adults. AB - BACKGROUND: Neuropathic pain may be caused by nerve damage, and is often followed by changes to the central nervous system. Uncertainty remains regarding the effectiveness and safety of acupuncture treatments for neuropathic pain, despite a number of clinical trials being undertaken. OBJECTIVES: To assess the analgesic efficacy and adverse events of acupuncture treatments for chronic neuropathic pain in adults. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, four Chinese databases, ClinicalTrials.gov and World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP) on 14 February 2017. We also cross checked the reference lists of included studies. SELECTION CRITERIA: Randomised controlled trials (RCTs) with treatment duration of eight weeks or longer comparing acupuncture (either given alone or in combination with other therapies) with sham acupuncture, other active therapies, or treatment as usual, for neuropathic pain in adults. We searched for studies of acupuncture based on needle insertion and stimulation of somatic tissues for therapeutic purposes, and we excluded other methods of stimulating acupuncture points without needle insertion. We searched for studies of manual acupuncture, electroacupuncture or other acupuncture techniques used in clinical practice (such as warm needling, fire needling, etc). DATA COLLECTION AND ANALYSIS: We used the standard methodological procedures expected by Cochrane. The primary outcomes were pain intensity and pain relief. The secondary outcomes were any pain-related outcome indicating some improvement, withdrawals, participants experiencing any adverse event, serious adverse events and quality of life. For dichotomous outcomes, we calculated risk ratio (RR) with 95% confidence intervals (CI), and for continuous outcomes we calculated the mean difference (MD) with 95% CI. We also calculated number needed to treat for an additional beneficial outcome (NNTB) where possible. We combined all data using a random-effects model and assessed the quality of evidence using GRADE to generate 'Summary of findings' tables. MAIN RESULTS: We included six studies involving 462 participants with chronic peripheral neuropathic pain (442 completers (251 male), mean ages 52 to 63 years). The included studies recruited 403 participants from China and 59 from the UK. Most studies included a small sample size (fewer than 50 participants per treatment arm) and all studies were at high risk of bias for blinding of participants and personnel. Most studies had unclear risk of bias for sequence generation (four out of six studies), allocation concealment (five out of six) and selective reporting (all included studies). All studies investigated manual acupuncture, and we did not identify any study comparing acupuncture with treatment as usual, nor any study investigating other acupuncture techniques (such as electroacupuncture, warm needling, fire needling).One study compared acupuncture with sham acupuncture. We are uncertain if there is any difference between the two interventions on reducing pain intensity (n = 45; MD -0.4, 95% CI -1.83 to 1.03, very low-quality evidence), and neither group achieved 'no worse than mild pain' (visual analogue scale (VAS, 0-10) average score was 5.8 and 6.2 respectively in the acupuncture and sham acupuncture groups, where 0 = no pain). There was limited data on quality of life, which showed no clear difference between groups. Evidence was not available on pain relief, adverse events or other pre-defined secondary outcomes for this comparison.Three studies compared acupuncture alone versus other therapies (mecobalamin combined with nimodipine, and inositol). Acupuncture may reduce the risk of 'no clinical response' to pain than other therapies (n = 209; RR 0.25, 95% CI 0.12 to 0.51), however, evidence was not available for pain intensity, pain relief, adverse events or any of the other secondary outcomes.Two studies compared acupuncture combined with other active therapies (mecobalamin, and Xiaoke bitong capsule) versus other active therapies used alone. We found that the acupuncture combination group had a lower VAS score for pain intensity (n = 104; MD -1.02, 95% CI -1.09 to -0.95) and improved quality of life (n = 104; MD -2.19, 95% CI -2.39 to -1.99), than those receiving other therapy alone. However, the average VAS score of the acupuncture and control groups was 3.23 and 4.25 respectively, indicating neither group achieved 'no worse than mild pain'. Furthermore, this evidence was from a single study with high risk of bias and a very small sample size. There was no evidence on pain relief and we identified no clear differences between groups on other parameters, including 'no clinical response' to pain and withdrawals. There was no evidence on adverse events.The overall quality of evidence is very low due to study limitations (high risk of performance, detection, and attrition bias, and high risk of bias confounded by small study size) or imprecision. We have limited confidence in the effect estimate and the true effect is likely to be substantially different from the estimated effect. AUTHORS' CONCLUSIONS: Due to the limited data available, there is insufficient evidence to support or refute the use of acupuncture for neuropathic pain in general, or for any specific neuropathic pain condition when compared with sham acupuncture or other active therapies. Five studies are still ongoing and seven studies are awaiting classification due to the unclear treatment duration, and the results of these studies may influence the current findings. PMID- 29197181 TI - Investigating the strategies for microbial production of trehalose from lignocellulosic sugars. AB - Trehalose, a multi-functional and value-added disaccharide, can be efficiently biosynthesized from glucose by using a synergetic carbon utilization mechanism (SynCar) which coupled phosphoenolpyruvate (PEP) generation from the second carbon source with PEP-dependent phosphotransferase system (PTS) to promote non catabolic use of glucose. Considering glucose and xylose present in large amounts in lignocellulosic sugars, we explored new strategies for conversion of both sugars into trehalose. Herein, we first attempted trehalose production from xylose directly, based on which, synergetic utilization of glucose, and xylose prompted by SynCar was implemented in engineered Escherichia coli. As the results, the final titer of trehalose reached 5.55 g/L in shake flask experiments. The conversion ratio or utilization efficiency of glucose or xylose to trehalose was around fourfold higher than that of the original strain (YW-3). This work not only demonstrated the possibility of directly converting xylose (C5 sugar) into trehalose (C12 disaccharide), but also suggested a promising strategy for trehalose production from lignocellulosic sugars for the first time. PMID- 29197183 TI - Production of itaconic acid from acetate by engineering acid-tolerant Escherichia coli W. AB - Utilization of abundant and cheap carbon sources can effectively reduce the production cost and enhance the economic feasibility. Acetate is a promising carbon source to achieve cost-effective microbial processes. In this study, we engineered an Escherichia coli strain to produce itaconic acid from acetate. As acetate is known to inhibit cell growth, we initially screened for a strain with a high tolerance to 10 g/L of acetate in the medium, and the W strain was selected as the host. Subsequently, the WC strain was obtained by overexpression of cad (encoding cis-aconitate decarboxylase) using a synthetic promoter and 5' UTR. However, the WC strain produced only 0.13 g/L itaconic acid because of low acetate uptake. To improve the production, the acetate assimilating pathway and glyoxylate shunt pathway were amplified by overexpression of pathway genes as well as its deregulation. The resulting strain, WCIAG4 produced 3.57 g/L itaconic acid (16.1% of theoretical maximum yield) after 88 hr of fermentation with rapid acetate assimilation. These efforts support that acetate can be a potential feedstock for biochemical production with engineered E. coli. PMID- 29197182 TI - Protection of macrophages from intracellular pathogens by miR-182-5p mimic-a gene expression meta-analysis approach. AB - The goals of this study were to (a) define which host genes are of particular importance during the interactions between macrophages and intracellular pathogens, and (b) use this knowledge to gain fresh, experimental understanding of how macrophage activities may be manipulated during host defense. We designed an in silico method for meta-analysis of microarray gene expression data, and used this to combine data from 16 different studies of cells in the monocyte macrophage lineage infected with seven different pathogens. Three thousand four hundred ninety-eight genes were identified, which we call the macrophage intracellular pathogen response (macIPR) gene set. As expected, the macIPR gene set showed a strong bias toward genes previously associated with the immune response. Predicted target sites for miR-182-5p (miR-182) were strongly over represented among macIPR genes, indicating an unexpected role for miR-182 regulatable genes during intracellular pathogenesis. We therefore transfected primary human alveolar macrophage-like monocyte-derived macrophages from multiple different donors with synthetic miR-182, and found that miR-182 overexpression (a) increases proinflammatory gene induction during infection with Francisella tularensis live vaccine strain (LVS), (b) primes macrophages for increased autophagy, and (c) enhances macrophage control of both gram negative F. tularensisLVS and gram positive Bacillus anthracisANR-1 spores. These data therefore suggest a new application for miR-182 in promoting resistance to intracellular pathogens. PMID- 29197184 TI - Constructing a cellulosic yeast host with an efficient cellulase cocktail. AB - Cellulose is a renewable feedstock for green industry. It is therefore important to develop a technique to construct a host with a high cellulolytic efficiency to digest cellulose. In this study, we developed a convenient host-engineering technique to adjust the expression levels of heterologous genes in the host by promoter rearrangement and gene copy number adjustment. Using genes from different glycoside hydrolase (GH) families including GH2, GH3, GH5, GH6, GH7, and GH12 from Aspergillus niger, Trichoderma reesei, and Neocallimastix patriciarum, we constructed a cellulolytic Kluyveromyces marxianus with eight cellulase gene-cassettes that produced a cellulase cocktail with a high cellulolytic efficiency, leading to a significant reduction in enzyme cost in a rice straw saccharification process. Our technique can be used to design a host that can efficiently convert biomass feedstock to biofuel. PMID- 29197185 TI - Structure and interaction of Corynebacterium pseudotuberculosis cold shock protein A with Y-box single-stranded DNA fragment. AB - : Cold shock proteins (Csps) function to preserve cell viability at low temperatures by binding to nucleic acids and consequently control gene expression. The mesophilic bacterium Corynebacterium pseudotuberculosis is the causative agent of caseous lymphadenitis in animals, and infection in livestock is a considerable economic burden worldwide. In this report, the structure of cold shock protein A from Cp (Cp-CspA) and biochemical analysis of its temperature-dependent interaction with a Y-box ssDNA motif is presented. The Cp CspA structure contains five beta-strands making up a beta-barrel fold with 11 hydrophobic core residues and two salt bridges that confers it with a melting temperature of ~ 54 degrees C that is similar to mesophilic Bs-CspB. Chemical shift perturbations analysis revealed that residues in the nucleic acid-binding motifs (RNP 1 and 2) and loop 3 are involved in binding to the Y-box fragment either by direct interaction or by conformational rearrangements remote from the binding region. Fluorescence quenching experiments of Cp-CspA showed that the dissociation constants for Y-box ssDNA binding is nanomolar and the binding affinity decreased as the temperature increased, indicating that the interaction is enthalpically driven and the hydrogen bonds and van der Waals forces are important contributions for complex stabilization. The Y31 of Cp-CspA is a particular occurrence among Csps from mesophilic bacteria that provide a possible explanation for the higher binding affinity to ssDNA than that observed for Bs CspB. Anisotropy measurements indicated that the reduction in molecular mobility of Cp-CspA upon Y-box binding is characterized by a cooperative process. DATABASE: Resonance assignment and structural data are available in the Biological Magnetic Resonance Data Bank and Protein Data Bank under accession number 26802 and 5O6F, respectively. PMID- 29197186 TI - Bartonella Seroepidemiology in Dogs from North America, 2008-2014. AB - BACKGROUND: Improved understanding of Bartonella species seroepidemiology in dogs may aid clinical decision making and enhance current understanding of naturally occurring arthropod vector transmission of this pathogen. OBJECTIVES: To identify demographic groups in which Bartonella exposure may be more likely, describe spatiotemporal variations in Bartonella seroreactivity, and examine co-exposures to other canine vector-borne diseases (CVBD). ANIMALS: A total of 15,451 serology specimens from dogs in North America were submitted to the North Carolina State University, College of Veterinary Medicine Vector Borne Disease Diagnostic Laboratory between January 1, 2008, and December 31, 2014. METHODS: Bartonella henselae, Bartonella koehlerae, and Bartonella vinsonii subspecies berkhoffii indirect fluorescent antibody (IFA) serology results, as well as results from a commercial assay kit screening for Dirofilaria immitis antigen and Ehrlichia species, Anaplasma phagocytophilum, and Borrelia burgdorferi antibodies, and Ehrlichia canis, Babesia canis, Babesia gibsoni, and Rickettsia species IFA results were reviewed retrospectively. RESULTS: Overall, 3.26% of dogs were Bartonella spp. seroreactive; B. henselae (2.13%) and B. koehlerae (2.39%) were detected more frequently than B. vinsonii subsp. berkhoffii (1.42%, P < 0.0001). Intact males had higher seroreactivity (5.04%) than neutered males (2.87%, P < 0.0001) or intact or spayed females (3.22%, P = 0.0003). Mixed breed dogs had higher seroreactivity (4.45%) than purebred dogs (3.02%, P = 0.0002). There was no trend in seasonal seroreactivity; geographic patterns supported broad distribution of exposure, and co-exposure with other CVBD was common. CONCLUSIONS AND CLINICAL IMPORTANCE: Bartonella spp. exposure was documented throughout North America and at any time of year. Male intact dogs, mixed breed dogs, and dogs exposed to other CVBD have higher seroreactivity to multiple Bartonella species. PMID- 29197187 TI - Development of a microfluidic platform for high-throughput screening of non-viral gene delivery vectors. AB - The grail of gene delivery is the development of delivery vectors as effective and non-cytotoxic as possible. In this regard, there is an urgent need of new tools for the straightforward and quantitative assessment of transfection efficiency and cytotoxicity simultaneously. We herein reported the development and validation of an easy-to-use lab-on-chip platform to perform cell transfection assays for unbiased, high-throughput selection of more and more effective gene delivery vectors by using two commercially sourced lipids, Lipofectamine 2000(r) and FuGene(r) 6. A single PDMS-layer platform was endowed with: i) a chaotic serial dilution generator, designed for the automatic generation of a linear lipoplex dilution (from 100% to 0% with 25% steps) independently delivered to; and ii) the downstream culture and transfection module consisting in five units, each composed of 33 serially connected and fluidically connected culture chambers for trapping small populations of ~10 cells/chamber. In the absence of any transfectant, cells spread and duplicated up to 2 days. Besides, cells were transfected with EGFP-encoding reporter gene. The very facile visual inspection of the microdevice by means of a microscope and a semi-automated analytical method allowed pinpointing the best transfection conditions in terms of efficiency, cytotoxicity, cell doubling rates, and morphological changes at once. PMID- 29197188 TI - Genipin alleviates high-fat diet-induced hyperlipidemia and hepatic lipid accumulation in mice via miR-142a-5p/SREBP-1c axis. AB - Hyperlipidemia is a chronic disorder which plays an important role in the development of cardiovascular diseases, type 2 diabetes, atherosclerosis, hypertension, and nonalcoholic fatty liver disease. Genipin (GNP) is a metabolite from genipioside, which is an active component of the traditional Chinese medicine Gardenia jasminoides Ellis, and has been recognized as a beneficial compound against metabolic disorders. However, whether it can correct overnutrition-induced dyslipidemia is still unknown. In this study, the effects of GNP on attenuating hyperlipidemia and hepatic lipid accumulation were investigated using normal and obese mice induced with a high-fat diet (HFD) and primary hepatocytes treated with free fatty acids. We also sought to identify potential targets of GNP to mediate its effects in the liver. We found that obese mice treated with GNP showed a decrease in the body weight, serum lipid levels, as well as hepatic lipid accumulation. Besides, GNP regulated hepatic expression levels of lipid metabolic genes, which are important in maintaining systemic lipid homeostasis. At the molecular level, GNP increased the expression levels of miR-142a-5p, which bound to 3' untranslated region of Srebp-1c, an important regulator of lipogenesis, which thus led to the inhibition of lipogenesis. Collectively, our data demonstrated that GNP effectively antagonized HFD-induced hyperlipidemia and hepatic lipid accumulation in mice. Such effects were achieved by regulating miR-142a-5p/SREBP-1c axis. PMID- 29197189 TI - Incidental gallbladder cancer at cholecystectomy. AB - BACKGROUND: Gallbladder tumours rank fifth in the world among gastrointestinal system tumours. Coincidental gallbladder tumours are diagnosed during cholecystectomies, or by examining the cholecystectomy material. AIMS: In this study, we aimed to evaluate the incidence of gallbladder cancer among patients undergoing cholecystectomies due to gallbladder disease. STUDY DESIGN: Retrospective study METHODS: The files of 341 patients who had undergone routine cholecystectomy operations between January 2013 and March 2016 were reviewed, and their pathology results were recorded. Those patients with gallbladder carcinomas were evaluated in terms of age, gender, preoperative findings, existing symptoms, radiological findings, surgical findings and follow-up. The cancer invasion depth was classified according to the American Joint Commission on Cancer (AJCC) atlas, and this study was approved by the ethical committee of our university. RESULTS: Among the 341 patients who participated in this study, 253 (74.41%) were female, 88 (25.80%) were male, and their average age was 49.61 years old (17-86). Seven of the patients (2.05%) had gallbladder tumours; six of which were female, one was male and their average age was 67.71 years old (62-76). One tumour was diagnosed as a frozen specimen during the operation, while the others were diagnosed during the postoperation phase. Three of the patients had T1b and four had T2 tumours. CONCLUSION: Gallbladder tumours detected incidentally could extend survival rates with proper surgical intervention and chemotherapy. The possibility of a tumour should not be dismissed in those patients with advanced age, females or patients with gallbladder stones. Frozen specimens should be created during a cholecystectomy, and if there is any doubt about the diagnosis, a postoperative histopathological examination of the gallbladder should be conducted. KEY WORDS: Cholecystectomy, Gall bladder stone, Incidental gallbladder carcinoma. PMID- 29197190 TI - Percutaneous treatment with radiofrequency ablation of varicose veins recurring after vein stripping surgery A preliminary study. AB - AIM: The aim of our study was to evaluate the efficacy of a new treatment of recurrent varicose vein after stripping of the great saphenous vein with rigid radiofrequency needles. MATERIAL OF STUDY: 37 patients enrolled (11 males and 26 females). 10 patients had recurrent varicose veins for the presence of residual reflux in the Saphenous-Femoral Junction (SFJ) stump, whilst 21 patients for the presence of a single or multiple re-chanalized and refluxing perforator veins, and 6 had mixed rechanalization due to perforator veins and refluxing saphenous stump. All patients have been treated by percutaneous ultrasound-guided obliteration with radiofrequency needles. Treatment efficacy have been assessed by US evaluation, and/or the appearance of recurrent varicose veins and classified as REVAS questionnaire. Follow up has been carried out at 30, 60, 180 days and 1 year after treatment. RESULTS: A complete obliteration of the perforator(s) stump(s) was observed in 12 procedures immediately after the treatment, and confirmed at 30 and 60 days. In 1 case (7.69 %) obliteration was not complete at 60 days. After 1 year of follow-up 3 perforators (23.07%) showed an incomplete or failed obliteration. A complete obliteration of the treated SFJ was observed in 27 cases at the end of the procedure and confirmed after 60 days of follow-up patients (Fig. 4). In 2 cases (6.89%), obliteration was non complete at 60 days. After 1 year of follow up 5 treated SFJ (17.24%) stumps showed an incomplete or a failed obliteration. DISCUSSION: Results show a reduction of the number of limbs affected by ulcer, skin pigmentation and stasis eczema, demonstrating correction of haemodynamic overload to be effective. CONCLUSIONS: This treatment is a new and effective solution to the problem of post-stripping recurrent varicose veins. KEY WORDS: Perforator veins, Radiofrequency, Recurrent post-stripping varicose veins, Saphenofemoral stump. PMID- 29197191 TI - Post-thyroidectomy hypoparathyroidism, what should we keep in mind? AB - AIM: Hypoparathyroidism and the resulting hypocalcemia is a common iatrogenic complication following surgical procedures to the neck, and commonly, to the thyroid gland. The aim of this study was to review the available literature to summarize current data related to the development of hypoparathyroidism after thyroid surgery. MATERIALS AND METHODS: An analysis of the surgical literature was performed using the search engine EMBASE and PubMed with particular reference to the principal risk factors related to the post-thyroid surgery hypoparathyroidism. Moreover the medical records of 345 patients, who underwent thyroid surgery at the Section of Endocrine Surgery - Department of Medical and Surgical Sciences, Advanced Technologies "G. Ingrassia" University of Catania, Italy, were also examined. RESULTS: The definition of hypoparathyroidism varies widely in literature. There is a wide range of reported incidences of transient and permanent postoperative hypoparathyroidism in literature. Extensive surgery, malignant disease and concomitant central and/or lateral neck dissection, autoimmune or Grave's' disease and re-operation represent the most recognized risk factors. A wide consensus exists about transplanting a parathyroid gland when it seems to be nonviable. DISCUSSION: Although many improvements have been done in surgical technique, hypoparathyroidism seems to be one of the most common complication after total thyroidectomy. In this study we discuss the diagnosis methods and the importance of its early prediction regardless it is transient or permanent. Recovery time is under discussion: some author consider a gland permanent injury if restoring functionality does not occur within 6 months other 12 months. To assess the parathyroid gland function some authors have been using postoperative PTH level as a useful tool for predicting hypocalcemia. CONCLUSIONS: Many efforts are required to address the problem of a consensus on best define these complications. An early low PTH level after total thyroidectomy is associated with a high risk of permanent hypoparathyroidism and normal levels usually exclude long-term parathyroid glands dysfunction. However, the cost of the PTH assay may limit its widespread application. Despite the reassuring presence of new therapeutic strategies, intra-operative preservation of the parathyroid glands is the best prophylaxis to avoid postoperative hypocalcemia after total thyroidectomy. KEY WORDS: Hypoparathyroidism, Thyroid surgery. PMID- 29197192 TI - Laparoscopic gastric plication for the treatment of morbid obesity by using real time imaging of the stomach pouch. AB - BACKGROUND: Bariatric surgery is a continuously evolving field. Laparoscopic greater curvature plication is a new investigational procedure used to treat patients with morbid obesity. The demand for this operation from the obese patients is also rising. The problem is that during gastric plication the exact dimensions and volume of the pouch are not known so frequently it is too large or too tight thus compromising the results. The aim of the study was to identify the parameters that can improve the outcomes after this procedure. METHODS: We performed laparoscopic greater curvature plication in 75 obese patients during 2013-2015. The last 25 patients underwent surgery with a modified surgical technique using real-time imaging of the stomach pouch. The inclusion criteria for the 25 patients enrolled in this case series were the usual, body mass index higher than 40 or higher than 35 but with comorbidities along with the option of the patients for laparoscopic gastric plication. The operative technique was enhanced by using a computerized device and special intragastric catheters during the procedure that permitted real-time imaging of the gastric geometry. With this new operative approach we obtained the desired volume of the gastric remnant and we avoided strictures, obstruction or irregular shape of the pouch, problems that otherwise could have compromised the outcomes. RESULTS: We found an increased excess weight loss of 55% at six month and 65% over a 12-month follow-up period with alleviation of comorbidities. There were no major complications (gastric outlet obstructions or leaks) and less minor complications (nausea and vomiting) than in the patients operated with classic gastric plication procedure. CONCLUSIONS: This study shows that in case of laparoscopic gastric plication the use of our modified operative technique has better outcomes than in the classical setting. This is a new operative approach in the bariatric literature which can lead to greater acceptance of gastric plication among bariatric surgeons. The target population is represented by the obese patients who want to obtain similar results to those after gastric bypass and sleeve gastrectomy but are concerned about removing a part of their stomach and the postoperative complications that may occur, especially leaks and nutritional complications. KEY WORDS: Gastric geometry, Laparoscopic gastric plication, Morbid obesity, Real-time imaging. PMID- 29197193 TI - Negative pressure therapy alone or with irrigation in the management of severe peritonitis. AB - BACKGROUND: Ogilvie was the first to publish on open abdomen (OA) for the treatment of the damages caused by penetrating abdominal wounds in war events. Research improved those devices that allow a controlled, homogeneous and continuous extraction of contaminated fluids from all abdominal recesses, which are nowadays the base of the "Open Abdomen" technique. MATERIALS AND METHODS: From August 2012 to February 2016 at the Department of Emergency Surgery of Cardarelli Hospital in Naples, 40 patients affected by Severe Peritonitis have been treated with OA technique. 13 (32,5%) were treated with only the suction drainage system, 27 patients (67,5%) were treated with suction drainage and irrigation system. Abthera(r) device was used in all patients. RESULTS: The duration of treatment was 15 days in the first group, with 7 device's substitutions, while in the second group it was about 10 days with 4 substitutions At the end of the procedure we were able to perform primary fascia closure in 7 cases (53,8%) in the first group and in 23 cases (85.2%) in the second group. 4 patients (30,8%) died in the first group, and 7 (26%) in the second. CONCLUSION: The suction/irrigation method seems to be appropriate to use in case of a surgical emergency that causes severe peritonitis. It is associated not only with lower death rates but also with better parameters, that are more frequently worse during prolonged treatments. Irrigation of abdominal cavity causes also less retraction of fascia recti which leads to a higher rate of direct fascia closure. Key Words: Emergency surgery, Irrigation, Open abdomen, Peritonitis. PMID- 29197194 TI - The role of self-expandable metallic stents as "bridge to surgery" for the treatment of acute malignant colorectal obstruction. Our experience. AB - INTRODUCTION: Despite the widespread use of screening programs, the colorectal cancer occurs in 7-29% of cases with a bowel obstruction, needing an immediate decompression treatment by emergency surgery; unfortunately, the emergency surgery is characterized by high morbidity and mortality rates. The endoscopic placement of self-expandable metallic stents can be a useful alternative, allowing to decompress the acute obstruction in a short time, in order to correct dehydration, electrolytic imbalance and to improve the overall clinical conditions prior to adequately plan the intervention of elective surgery. AIM: The objective of our study was to evaluate the clinical success and potential complications related to the stent placement as "bridge to surgery". MATERIALS AND METHODS: Twenty-four patients with acute intestinal obstruction due to colorectal cancer were retrospectively observed in our Surgery Unit. They were selected only patients in whom technical success, defined as the correct placement of the stent, was recorded. All patients underwent a preoperative abdominal X-rays and whole body contrast- enhanced Computed Tomography (ceCT). Furthermore, an intraoperative fluoroscopy was also performed to obtain a better anatomical depiction of the lesions. The sites of obstruction were in the left colon (n=13) and in the proximal rectal tract (n=11). Covered and uncovered stents were placed respectively in 12 and 12 patients. The Over The Wire (OTW) technique has been used in 11 patients while the Through The Scope (TTS) technique in 13 subjects. All patients were brought to elective surgery in 5-10 days. The clinical success was defined as the resumption of normal bowel function within 48-72 hours and the absence of complications. RESULTS: Technical success was documented in 24 patients (100%). Clinical success was recorded in 17 patients (70.8%) while, in 7 patients, as treatment complications were recorded: 2 stent migrations (8.3%), 2 cases with tenesmus (8.3%), 2 bleeding (8.3%), 2 cases of abdominal pain (8.3%) and 1 case of perforation (4.2%), were recorded. CONCLUSION: In our series we found that placing self-expandable metallic stents, considered as "bridge to surgery", was a useful technique in the resolution of acute malignant colorectal obstructions, with high success rate and low rate of complications. KEY WORDS: Colorectal cancer, Clinical success, Large bowel obstruction, Radiology, Self-expanding metallic stent, Stenting, Surgery. PMID- 29197195 TI - Oxidative and Nitrosative Stress as Well as the Tryptophan Catabolites Pathway in Depressive Disorders. AB - The aim of this paper is to elucidate the role of oxidative and nitrosative stress as well as the tryptophan catabolites pathway in the development of depression and the mechanism of action of antidepressant drugs, based on the available literature. According to the World Health Organization (WHO), an estimated 350 million people worldwide suffer from depression. The pathogenesis of depressive disorders has not been fully explained yet and several causes of this disease have been suggested. There is evidence for the involvement of several interconnected biochemical pathways, including oxidative and nitrosative stress as well as the tryptophan catabolites pathway. Studies to date indicate that patients with depression have lower levels of enzymatic and non-enzymatic elements of an antioxidant response and, at the same time, they display an increased amount of oxidative stress markers, when compared to healthy individuals. The development of depression is also associated with excessive activity of nitric oxide synthase. Furthermore, decreased levels of tryptophan and increased levels of its harmful catabolites, i.e. kynurenine and quinolinic acid, may lead to progression of the disease. Changes in these biochemical pathways can be used as risk factors for the development of depression and, in the future, they could be utilized as diagnostic biomarkers. Moreover, regulation of biochemical processes may contribute to the development of a new, effective and personalized antidepressant therapy. PMID- 29197196 TI - Analysis of the Prevalence of Mental Disorders in Psoriasis: The Relevance of Psychiatric Assessment in Dermatology. AB - BACKGROUND: The boundary between Dermatology and Psychiatry has increasing recognition. Psoriasis is a common psychophysiological skin disease with a major impact on patient's quality of life and a paradigmatic example of a pathology in that boundary. Studies are needed to exactly point out the prevalence of specific psychopathology and mental disorders associated with psoriasis. This work intends to analyse the prevalence of psychopathology and psychiatric comorbidities in patients with psoriasis. METHODS: A systematic review of the literature was performed following the Preferred Reporting Items for Systematic Reviews and Meta Analyses (PRISMA) and the "5S" model proposed by Haynes. From all the papers retrieved by this search, a total of 34 papers met the inclusion criteria and were then deeply analysed. RESULTS: The most prevalent mental disorders in these patients are sleep disorders (average prevalence: 62.0%), sexual dysfunction (45.6%), personality (35.0%), anxiety (30.4%), adjustment (29.0%), depressive (27.6%) and substance-related and addictive disorders (24.8%). Other mental disorders have been less described, namely somatic symptoms and related disorders, schizophrenia and other psychoses, bipolar disorder and eating disorders. CONCLUSIONS: This updated research shows that the prevalence of psychiatric conditions in psoriasis may range from 24% to 90%. The study of the mind-skin connection in psoriasis may improve the knowledge about psoriasis and its psychiatric comorbidities. The link between psoriasis and associated mental disorders is frequently forgotten or not considered in the clinical practice. Psychiatric disorders in patients with psoriasis may be underdiagnosed. These patients would really benefit from psychiatric assessment, with therapeutic relevance. PMID- 29197197 TI - A Systematic Review of Tumor Necrosis Factor-alpha in Post-Traumatic Stress Disorder: Evidence from Human and Animal Studies. AB - BACKGROUND: Growing evidence suggests a pathophysiological role of cytokines in post-traumatic stress disorder (PTSD). Tumor necrosis factor (TNF)-alpha is a key cytokine. Therefore, we performed a systematic review to examine the findings regarding TNF-alpha derived from both animal and human studies of PTSD. METHODS: Using PRISMA guidelines, we reviewed relevant articles in PubMed from inception until 11th April 2017. Human studies that reported group comparisons and/or longitudinal investigations of TNF-alpha production/concentration were included. Research reporting on TNF-alpha levels in animal models of PTSD were also included. RESULTS: Twenty-seven articles were identified. Data from human cross sectional studies suggests that plasma/serum levels of TNF-alpha are elevated in those with PTSD, as compared to healthy controls. Longitudinal assessments of TNF alpha are limited and data are mixed. Limited data from animal studies suggest an increased TNF-alpha production in the hippocampus of rats following stress, which can be reversed by immunomodulatory drugs. CONCLUSIONS: Our findings suggest TNF alpha may be a potential biomarker and treatment target for PTSD. Findings need to be considered in light of heterogeneous methods for measurement and analysis of TNF-alpha concentration. Longitudinal research is needed to understand the role of TNF-alpha in the development and/or maintenance of PTSD. PMID- 29197198 TI - Cardiovascular Disease Risk Factors in Patients with Posttraumatic Stress Disorder (PTSD): A Narrative Review. AB - Posttraumatic stress disorder (PTSD) is a chronic condition related to severe stress and trauma. There is a mounting evidence about increased prevalence and mortality from cardiovascular diseases (CVD) in patients with PTSD. This review summarizes the current data on possible relations between PTSD and increased risks of CVD, including biological, psychological and behavioral factors. Biological factors refer to increased prevalence of metabolic syndrome (MetS), hypertension, elevation of pro-inflammatory cytokines and homocysteine levels. Peripheral Brain-derived neurotropic factor (BDNF), serum N-terminal pro-brain natriuretic peptide (NT-proBNP) and quantitative electroencephalogram (qEEG) are promising surrogate markers of increased cardiovascular risk. Among psychological factors, some personality traits, such as neuroticism and trait impulsivity/hostility, contribute to the development of PTSD, and are associated with general cardiovascular distress. Recently, type-D (distressed) personality is usually investigated in relation to cardiovascular morbidity, but in populations other than PTSD patients. Behavioral factors refer to unhealthy life styles, encompassing high smoking rate, drug substances abuse and addiction, physical inactivity and unhealthy diet. The relationships among all these factors are complex and yet incompletely taken into consideration. Because of a high prevalence of CVD in patients with PTSD, there is a strong need for a more intensive focus on this vulnerable population in both primary and secondary cardiovascular prevention as well as in effective treatment possibilities. PMID- 29197199 TI - Elevated Serum C-Reactive Protein Level Is not Associated with Serum Nitric Oxide in Patients with Posttraumatic Stress Disorder. AB - BACKGROUND: The aim of the present study was to evaluate serum nitric oxide (NO) and C reactive protein (CRP) concentration in veterans with and without PTSD. Furthermore, we aimed to assess whether there is a correlation between serum NO and CRP concentrations in tested groups. SUBJECTS AND METHODS: Cross-sectional study included 90 male individuals, with and without experience of direct war combat, divided into three equal groups (n=30): group 1- included war veterans with PTSD, group 2 - included war veterans without PTSD, and control group - 30 apparently healthy volunteers, without experience of direct war combat. The diagnosis of PTSD was assessed according to the guidelines in the 10th revision of the International Classification of Diseases (ICD-10). High-sensitivity CRP was determined by immunonephelometry. The serum NO level was determined by classic colorimetrical Griess reaction. RESULTS: Serum CRP concentration in veterans with (3.54+/-1.19 mg/L) and without PTSD (3.24+/-2.04 mg/L), was significantly higher (p<0.05) compared to control group (1.26+/-1.06 mg/L). Serum NO concentration in veterans with (7.64+/-4.43 MUmol/L) and without PTSD (7.12+/ 2.60 MUmol/L) was significantly lower (p<0.05) compared to control group (11.26+/ 7.01 MUmol/L). Statistically significant correlation between serum NO and CRP concentration was determined in veterans without PTSD (r=-0.473; p<0.01). No correlation was observed between serum NO and CRP concentration in veterans with PTSD (r=0.118; p=0.534) and in control group (r=-0.067; p=0.727). CONCLUSION: The present study has showed significant increase of serum CRP and significant decrease of serum NO concentrations in veterans with and without PTSD. Furthermore, statistically significant negative correlation between serum NO and CRP concentration was determined only in veterans without PTSD. Obtained results indicate that the complex mechanism of the pathogenesis of PTSD requires further research. PMID- 29197200 TI - Conscious attention defect and inhibitory control deficit in Parkinson's Disease Mild Cognitive Impairment: A comparison study with Amnestic Mild Cognitive Impairment multiple domain. AB - BACKGROUND: Frontal/executive dysfunction commonly occurs in Parkinso's disease - Mild Cognitive Impairment (PD-MCI patients). However, to date, the number of studies comparing PD-MCI and MCI patients of other etiologies are too small. The present study aims at clarifying the attention/working memory and executive dysfunction of PD-MCI patients in comparison to amnestic MCI multiple domain patients with first extended then abbreviated structural brain changes suggesting preclinical Alzheimer's Disease. SUBJECTS AND METHODS: 40 PD-MCI patients and 40 amnestic MCI multiple domain (aMCI+) patients were diagnosed according to the International guidelines. 22 healthy subjects were also recruited as control group. The groups were assessed by a wide neuropsychological battery, including measures of attention/working memory (Digit Span and Stroop Test), executive functions (Tower of London-Drexel Version -TOLDX- and Brixton Test), language (Boston Naming Test and Category Fluency), memory (Prose Recall and Pairs Associates Learning), and visuospatial function (Street's Completion Test and Constructive Apraxia Test). Performances were compared by non parametric tests. Spearman correlations were performed to explore association between neuropsychological measures of attention/working memory and executive functions in PD-MCI group. RESULTS: The PD-MCI patients performed worse on Digit Span and Stroop Interference/Error than aMCI+ and controls. AMCI+ patients, in turn, showed a greater deficit on TOLDX Initiation Time and on Violation Time than PD MCI and controls. Both PD-MCI and aMCI+ patients reported lower scores on Stroop Interference/Time than controls. Moreover, aMCI+ patients performed worse then controls on Brixton Test. Positive correlations between Digit Span and Stroop Interference/Error, Stroop Interference/Error and TOLDX Execution Time, Total Time and Violation Time, Stroop Interference Time and TOLDX Move Score and Total Time were found in PD-MCI group. CONCLUSION: PD-MCI patients mainly present a conscious attention defect and an inhibitory control deficit than aMCI+. PD-MCI patients with deficits in attention/working memory domain should undergo specific cognitive trainings in order to improve cognitive abilities and prevent Parkinson's Disease Dementia onset. PMID- 29197201 TI - Negative and helpful statements in a patient only or therapist guided internet forum in the aftercare for psychosomatic inpatients. AB - BACKGROUND: The aftercare of patients in the wake of inpatient treatment is a therapeutic challenge. Aim of the present study was to investigate the utilization, and positive or negative interactions in a patient only (PF) and a therapist guided internet forum (TF) in the follow up of psychosomatic inpatient treatment. SUBJECTS AND METHODS: After discharge from hospital, patients were offered to participate in a PF or TF. The rate and duration of participation was monitored and the content of communication classified by content analysis. RESULTS: In the PF 144 (8.0%) and in TF 76 (8.5%) of invited patients registered. Participants were somewhat younger, more often male, and professionally better qualified. Time of participation was 51 (sd 90) days in the PF and 59 (sd 69) in the TF. 32% of the registered patients wrote messages in the PF and 43% in the TF, with 7 (sd 10) comments on average in the PF and 15 (sd 26) in the TF. Most comments were health related and positive, with a higher rate in the TF. There were still 8 destructive comments in both forums. CONCLUSIONS: The rate of participation in the aftercare internet forum is low. Therapeutic guidance increases the rate of patient contributions. Most comments are supportive, but negative interactions occur even in the presence of a moderator. PMID- 29197202 TI - Factor structure and cut-off scores of the Hospital Anxiety and Depression scale (HADS) in a Croatian sample of adult patients suffering from advanced cancer. AB - BACKGROUND: Patients with cancer should be systematically screened for psychological problems at key points in their pathway. Usage of self-report scales for measuring anxiety and depression (such as Hospital Anxiety and Depression scale (HADS)) is a very practical methodfor detecting anxiety and depression. The aim of this research was to determine latent structure, reliability and cut-off scores of HADSin a Croatian sample of adult patients suffering from advanced metastatic cancer. SUBJECTS AND METHODS: According to inclusion and exclusion criteria, participant were recruited at University Hospital Centre Zagreb (N=46; January 2015) and Clinical Hospital Centre 'Sisters of Mercy' (N=29; April 2015). All participants underwent short structured psychodiagnostic interview, cognitive evaluation (usingMontreal Cognitive Assessment (MoCA) test) and were given HADS. RESULTS: When using PCA separately for the items of each original scale of HADS, only four items for the component Depression satisfactorily saturate principal component and when using PCA for all the items, only seven items from the original scale satisfactorily saturate unique principal component. Maximum Likelihood extraction method showed that only four items from the original scale satisfactorily saturated the theoretical scales. CONCLUSIONS: The results show that the best solution to use HADS, in defined Croatian population, is as one-dimensional screening instrument (Cronbach's alpha coefficient of internal consistency=0.774) with cut-off score 11/12. PMID- 29197203 TI - Positive impact of prescribed physical activity on symptoms of schizophrenia: randomized clinical trial. AB - BACKGROUND: The purpose of this study was to examine functional capacity of cardio-respiratory system in patients with schizophrenia, and to evaluate the effects of 12 weeks prescribed physical activity on aerobic capacity and symptoms of schizophrenia. SUBJECTS AND METHODS: Study involved 80 hospitalized patients with any of the subtypes of schizophrenia (42 men, 38 women). They were divided into two groups: exercise and control group, both with 40 patients. Maximal aerobic capacity (VO2 max) as an indicator of cardiovascular fitness has been obtained by cardiopulmonary stress test on a treadmill. Twelve weeks program of prescribed physical activity (45 minutes, four times per week) was made for every patient individually. Patients in exercise group practiced in training zone between 65 and 75% of their maximum heart rate (HR). Target HR was controlled by Polar F4 monitors. Symptoms of schizophrenia were measured by using Positive and Negative Symptoms Scale (PANSS). RESULTS: Before the exercise program was introduced, measured VO2 max was significantly lower in patients with schizophrenia, than the expected average value in matched healthy subjects (p<0.001). After twelve weeks, patients in exercise group showed a significant increase of VO2max (p=0.002), and significantly higher level of VO2max compared to the control group (p=0.000). Significant differences were also observed on PANSS general psychopathology subscale (p=0.007) and on PANSS total score (p=0.001). The pharmacotherapy and exercise had influence on PANSS general psychopathology (p=0.002) and PANSS total score (p=0.001). CONCLUSIONS: Individuals with schizophrenia have lower levels of aerobic capacity compared to general population. Prescribed physical activity significantly improves aerobic capacity in people with schizophrenia and it is effective in amelioration of some psychiatric symptoms. Prescribed physical activity could be an effective adjunctive treatment for patients with schizophrenia, not only for prevention and treatment of comorbidities, but also having an impact on symptoms of schizophrenia. PMID- 29197204 TI - Effect of HBM Rehabilitation Exercises on Depression, Anxiety and Health Belief in Elderly Patients with Osteoporotic Fracture. AB - BACKGROUND: Guided by the health belief model (HBM), this study provided elderly patients with osteoporotic fracture with health education concerning osteoporosis (OP) prevention, carried out rehabilitation exercises based on HBM, and evaluated the intervention effect of HBM rehabilitation exercises, to offer a scientific basis for improving the prognosis of elderly patients with OP fracture. SUBJECTS AND METHODS: A total of 162 elderly patients with OP fracture treated in three third-grade general hospitals of Jiangsu Province from January 2016 to September 2016 participated in this study. According to the minimization random allocation method, the patients were divided into two groups: the conventional rehabilitation group and the HBM rehabilitation group, with 81 patients in each group. After three months of intervention, the two groups were compared in terms of anxiety, depression, OP knowledge, and OP health belief. RESULTS: After 3 months of intervention, the anxiety and depression scores decreased in both groups. Both anxiety and depression scores of the HBM rehabilitation group were higher than those of the conventional rehabilitation group, with statistically significant differences (P<0.001). The increases in the OP knowledge score and OP health belief score of the HBM rehabilitation group were higher than those of the conventional rehabilitation group, with statistically significant differences (P<0.001). CONCLUSIONS: HBM-based rehabilitation exercises alleviate negative emotions in elderly patients with osteoporotic fracture and improve their OP knowledge and health belief scores. PMID- 29197205 TI - The impact of anxiety sensitivity on suicidality in adolescents with major depressive disorder. AB - BACKGROUND: Few studies have examined the link between anxiety sensitivity (AS) and suicidality among adolescents with major depressive disorder; thus, there is a need to explore this relationship in order to fill the research gap. The aim of this cross-sectional study was to examine the association among AS and suicidal behaviour while taking into account the effects of potential third variables such as the presence of anxiety disorders and hopelessness in adolescents with major depressive disorder. SUBJECTS AND METHODS: Participants (n=101) completed self report measures of depressive symptoms, AS, hopelessness and suicidal ideation severity. The presence of anxiety disorders and suicide attempt history were determined with psychiatric interviews. The association between psychiatric variables was evaluated using structural equation modelling. RESULTS: Results showed that AS cognitive concerns had a positive effect on suicidal ideation mediated by the severity of depression. AS physical concerns had a negative direct effect on suicidal ideation, but there was also a positive relationship among these variables through hopelessness, thus, the total effect of AS physical concerns was not significant. There were also positive relationships between hopelessness and suicidal ideation, and the presence of anxiety disorders to suicide attempt history. CONCLUSIONS: The results of this study suggest that higher AS cognitive concerns may be a risk factor for suicidality through the severity of depression in adolescents who are diagnosed with major depressive disorder. PMID- 29197206 TI - Characteristics and Development of Nonsuicidal Super Self-Injury among Borderline Inpatients. AB - BACKGROUND: Nonsuicidal self-injury (NSSI) is a key feature of borderline personality disorder (BPD), which is strongly associated with childhood traumatization. To the best of our knowledge, there has been a lack of studies investigating extensively the characteristics of borderline patients who engage in extremely high numbers of NSSI, and their features of NSSI, trauma history and psychopathology. The aim of this study is to identify groups of borderline inpatients on the basis of the lifetime number of NSSI, and to explore the characteristics of these groups regarding the onset, reasons and methods of NSSI, history of childhood traumatization, and severity of psychopathology. SUBJECTS AND METHODS: 80 psychiatric inpatients with BPD were included in the study, of whom 63 had a history of NSSI and 17 had not. The frequency and characteristics of NSSI were assessed by the Ottawa Self-Injury Inventory and the childhood traumatization were assessed by the Traumatic Antecedents Questionnaire and the Early Trauma Inventory. RESULTS: In this study among self-injuring borderline inpatients a super self-injuring group was identified, who engaged in extremely high numbers of NSSI (75.0+/-28.4 acts/lifetime). Compared to moderate self injurers, super self-injurers began harming themselves at a younger age (p=0.008), used more severe forms of NSSI, and all of them reported an anti dissociation function of NSSI. Adverse childhood experiences were more prevalent in the super self-injuring group. The strongest predictors of the lifetime number of NSSI were early sexual abuse (p<0.001), intrafamilial physical abuse (p<0.001), a higher cumulative trauma score (p=0.030) and a greater number of BPD criteria (p<0.001). CONCLUSIONS: Our results suggest that the frequency of NSSI in borderline inpatients can be seen as an indicator of clinically-relevant anamnestic data, namely, of the severity, complexity and onset of childhood traumatization, and of the severity of current borderline psychopathology. PMID- 29197207 TI - Correlates of Involuntary Admission: Findings from an Italian Inpatient Psychiatric Unit. AB - BACKGROUND: Involuntary admission is challenging in terms of providing the most effective but least restrictive care in accordance with the country's regulations. A better understanding of correlates of voluntary versus involuntary admission legal status is crucial to improve clinical decision-making and effectiveness of the overall mental health care system. SUBJECTS AND METHODS: We collected chart-review data pertaining to 848 patients, discharged between June 2011 and June 2014, from an Italian inpatient psychiatric unit. Diverse sociodemographic and clinical variables were collected. Bivariate analyses and binary logistic regression were performed to examine correlates of involuntary admission. RESULTS: Bivariate analyses showed that involuntary status was related to: the reason for hospitalization, not being on psychiatric medications at admission, and being admitted from another inpatient ward (in particular, from the emergency department). The final regression model identified four main variables independently associated with legal status: being admitted for psychotic features, suicidal behavior, or impulsive behavior, and not being on medication at admission (Nagelkerke pseudo R2=0.15, p<0.001). A strong association with length of stay was also documented. CONCLUSIONS: Understanding the causes and consequences of involuntary admission will enhance the field's understanding of how to provide the most effective, but least restrictive, psychiatric care. PMID- 29197208 TI - Occurrence of post-injection delirium/sedation syndrome after application of olanzapine long-acting injection during one year period. AB - INTRODUCTION: The aim was to report the occurrence of after application of olanzapine long-acting injection (OLAI) in patients with schizophrenia during one year period. SUBJECTS AND METHODS: During one year period, OLAI was applied to 30 patients with schizophrenia (18 men, 12 women) who were non-adherent to previous treatment with oral olanzapine. Patients were 20-58 years of age (39 years old on average), diagnosed with SCID based on DSM-IV-TR criteria. Patients received OLAI in dosage between 210-405 mg (287+/-62 (mean +/- SD)) every 2-4 weeks. RESULTS: Out of 30 patients that received OLAI, 29 patients improved significantly without side-effects, and one patient developed post-injection delirium/sedation syndrome (PDSS). The patient's somatic condition stabilized and treatment with OLAI was discontinued due to the PDSS. CONCLUSION: The occurrence of PDSS is not common and when it occurs, in our experience, it was reversible. PMID- 29197209 TI - Cotard Syndrome in Hypoactive Delirium - A Case Report. PMID- 29197210 TI - Trichobezoar Ventriculi in 7-Year Old Girl - Case Report. PMID- 29197211 TI - Change of the Writing-Hand: Unusual Manifestation of Hallervorden-Spatz Disease. PMID- 29197212 TI - Recurrent Transitory Ischemic Attacks with Subsequent Development of the Ischemic Stroke as Initial Manifestation of Eosinophilic Granulomatosis with Polyangiitis in Depressed Patient. PMID- 29197213 TI - [Sudden Crisis in Dementia]. AB - If we're thinking about Dementia, we normally don't think about a sudden crisis. Dementia is a slowly creeping illness, which causes a loss of memory. In addition to this loss of cognitive functions, there is also the death of neural cells, which in turn leads to completely different symptoms. This leads to the appearance of BPSD (Behavioural and psychotic symptoms of dementia). There are guides to the therapy of cognitive deficits of dementia in existence, to use them within the EbM criteria. There exists only a little bit of information on the therapy of BPSD. Therefore I will talk in his article mainly about possibilities of therapy, that were found through medical experience. For those possibilities is only little evidence and are mostly off label, because the field of dementia patients has almost no studies, except pharmaceutical ones. The cause for this lack of studies is probably found in the huge Workload by the ethic commission of every study, which are today the norm for every single study. So please take my work as a foundation for discussion, though which you search for the most optimal solution for the individual problem of your patient. PMID- 29197214 TI - Nonsuicidal self-injury in a naturalistic sample of adolescents undergoing inpatient psychiatric treatment: prevalence, gender distribution and comorbidities. AB - BACKGROUND: A growing body of research points toward nonsuicidal self-injury (NSSI) in adolescents as an important and frequent health-related risk factor. In 2013, NSSI was proposed in section 3 of the DSM-5 as a new diagnostic entity warranting further study. In line with that goal, the present study was conducted in order to evaluate prevalence, gender distribution and comorbidities of NSSI in a sample of adolescent psychiatric inpatients. SUBJECTS AND METHODS: The study included 130 adolescents (mean age 15.09 years, SD +/- 1.47; 71.5% female) undergoing inpatient psychiatric treatment at a specialized facility. The factors assessed were sociodemographic data, the presence of NSSI according to the proposed DSM-5 criteria, clinical psychiatric diagnosis, the presence of suicidality and the presence of personality disorder. RESULTS: A large percentage, 38.5%, of the sample fulfilled DSM-5 criteria for NSSI, and more than half (50.8%) of the adolescents indicated having injured themselves at least once in the past. Patients with NSSI were predominantly young women and clustered in a spectrum of diagnostic entities including not only borderline personality disorders but also substance use disorders and affective disorders. A strong association was found between suicidality (suicidal ideation, history of suicide attempt) and NSSI. CONCLUSIONS: In line with previous findings, NSSI among adolescent psychiatric inpatients was found to be a frequent phenomenon associated with a broad spectrum of comorbidities. Moreover, while NSSI is conceptualized as an act without suicidal intent, it commonly occurs in patient groups with suicidal ideation or with a history of suicide attempts. PMID- 29197215 TI - [Crisis Interventions in Acute Emergency Situations]. AB - In the article about crisis intervention after incriminating events, I start by explaining the specific terms, since in recent years different terms have been used, which have repeatedly caused uncertainty. How might people react to extreme stress and what are factors of protection and risk? Further I will explain the effect of psychosocial support as well as the structure and forms of interventions. The basic principles of interventions and the 10 essential intervention steps are described. In order to be able to provide targeted assistance, it is necessary for the psychosocial emergency aid staff to know about the experience of those affected in acute emergency situations. In order to ensure that psychosocial emergency helpers are able to recover from their missions or taking care of those affected, it is necessary to know the risks and take them into account while planning the auxiliary structure. PMID- 29197217 TI - RPTEC/TERT1 cells form highly differentiated tubules when cultured in a 3D matrix. AB - The proximal tubule is the primary site for renal solute reabsorption and secretion and thus a main target for drug-induced toxicity. Current nonclinical methods using 2D cell cultures are unable to fully recapitulate clinical drug responses mainly due to limited in vitro functional lifespan. Since extracellular matrices are known to be key regulators of cell development, culturing cells on classic 2D plastic surfaces inevitably results in loss of differentiation. Hence, 3D models of the human proximal tubule that recapitulate the in vivo morphology would allow for improved drug screening and disease modeling. Here, the development and characterization of a 3D proximal tubule model using RPTEC/TERT1 cells is presented. RPTEC/TERT1 cells self-assembled in matrigel to form highly differentiated and stable 3D tubular structures characterized by a branched network of monolayered cells encircling a cell-free lumen thus mimicking the proximal tubule. In vitro tubuli resembled the polarity of a proximal tubule epithelium as indicated by polar expression of Na+/K+- ATPase and ZO-3. Furthermore, 3D cultured RPTEC/TERT1 cells showed overall increased mRNA expression of xenobiotic transporters e.g. OCTs and MATEs and de novo expression of OAT3 when compared to cultures on plastics or membrane inserts. Finally, this model was used to assess delayed cisplatin-induced nephrotoxicity and demonstrated increased sensitivity when compared to 2D culture. Thus, the easy-to use model described here may prove to be useful for mechanistic investigations, e.g. in discovery of compounds interfering with tubule formation, differentiation and polarization, as well for the detection and understanding of pharmaceutical induced nephrotoxicity. PMID- 29197216 TI - Early Cognitive, Structural, and Microstructural Changes in Presymptomatic C9orf72 Carriers Younger Than 40 Years. AB - Importance: Presymptomatic carriers of chromosome 9 open reading frame 72 (C9orf72) mutation, the most frequent genetic cause of frontotemporal lobar degeneration and amyotrophic lateral sclerosis, represent the optimal target population for the development of disease-modifying drugs. Preclinical biomarkers are needed to monitor the effect of therapeutic interventions in this population. Objectives: To assess the occurrence of cognitive, structural, and microstructural changes in presymptomatic C9orf72 carriers. Design, Setting, and Participants: The PREV-DEMALS study is a prospective, multicenter, observational study of first-degree relatives of individuals carrying the C9orf72 mutation. Eighty-four participants entered the study between October 2015 and April 2017; 80 (95%) were included in cross-sectional analyses of baseline data. All participants underwent neuropsychological testing and magnetic resonance imaging; 63 (79%) underwent diffusion tensor magnetic resonance imaging. Gray matter volumes and diffusion tensor imaging metrics were calculated within regions of interest. Anatomical and microstructural differences between individuals who carried the C9orf72 mutation (C9+) and those who did not carry the C9orf72 mutation (C9-) were assessed using linear mixed-effects models. Data were analyzed from October 2015 to April 2017. Main Outcomes and Measures: Differences in neuropsychological scores, gray matter volume, and white matter integrity between C9+ and C9- individuals. Results: Of the 80 included participants, there were 41 C9+ individuals (24 [59%] female; mean [SD] age, 39.8 [11.1] years) and 39 C9- individuals (24 [62%] female; mean [SD] age, 45.2 [13.9] years). Compared with C9- individuals, C9+ individuals had lower mean (SD) praxis scores (163.4 [6.1] vs 165.3 [5.9]; P = .01) and intransitive gesture scores (34.9 [1.6] vs 35.7 [1.5]; P = .004), atrophy in 8 cortical regions of interest and in the right thalamus, and white matter alterations in 8 tracts. When restricting the analyses to participants younger than 40 years, compared with C9- individuals, C9+ individuals had lower praxis scores and intransitive gesture scores, atrophy in 4 cortical regions of interest and in the right thalamus, and white matter alterations in 2 tracts. Conclusions and Relevance: Cognitive, structural, and microstructural alterations are detectable in young C9+ individuals. Early and subtle praxis alterations, underpinned by focal atrophy of the left supramarginal gyrus, may represent an early and nonevolving phenotype related to neurodevelopmental effects of C9orf72 mutation. White matter alterations reflect the future phenotype of frontotemporal lobar degeneration/amyotrophic lateral sclerosis, while atrophy appears more diffuse. Our results contribute to a better understanding of the preclinical phase of C9orf72 disease and of the respective contribution of magnetic resonance biomarkers. Trial Registration: clinicaltrials.gov Identifier: NCT02590276. PMID- 29197218 TI - The effect of electro-acupuncture on pro-oxidant antioxidant balance values in overweight and obese subjects: a randomized controlled trial study. AB - Objective To undertake a randomized controlled trial in 196 obese subjects to examine the effect of electro-acupuncture on serum pro-oxidant antioxidant balance (PAB) values. Methods Subjects received authentic acupuncture (cases) or sham acupuncture (controls) for 6 weeks in combination with a low-calorie diet. In the following 6 weeks, they received the low-calorie diet alone. Serum PAB was measured at baseline, and 6 and 12 weeks later. Results We found that serum PAB values decreased significantly in the group receiving the authentic acupuncture compared to the sham treatment (p<0.001) at week 6, and whilst serum PAB increased significantly (p<0.05) in the second phase of the study, a significant difference between two groups remained at 12 weeks (p<0.05). Conclusions Electro acupuncture in combination with a low-calorie diet was more effective at reducing serum PAB values in obese subjects compared to diet alone. Further work is required to determine the mechanism by which electro-acupuncture has this effect. PMID- 29197219 TI - Growth response to growth hormone treatment in patients with SHOX deficiency can be predicted by the Cologne prediction model. AB - : Background Growth hormone (GH) treatment in children with short stature homeobox-containing gene (SHOX) deficiency is recognized to increase height velocity (HV) and adult height. Prediction of growth response continues to be a challenge. A comparatively accurate method is the Cologne prediction model developed in children with GH deficiency. The aim was to investigate whether this model also applies to patients with SHOX deficiency. Methods Included were 48 patients with SHOX deficiency confirmed by DNA analysis and treated with 0.05 mg/kg/day of somatropin. Prediction by the Cologne model uses the following variables: relative bone age (BA) retardation, baseline insulin-like growth factor-I (IGF-I), urinary deoxypyridinoline (DPD) cross-links at 4 weeks and HV at 3 months. Results HV and height standard deviation scores (SDS) increased significantly during the first year of treatment. Predicted and observed HV (cm/year) showed a Pearson correlation coefficient of 0.50 (p<0.001; root-mean square error=1.63) and for first-year change in height SDS a Pearson correlation coefficient of 0.751 (p<0.001; root-mean-square error=0.32). Poor response could be adequately predicted using SDS change, with sensitivity and specificity both above 70% for certain thresholds. CONCLUSIONS: The results demonstrate that the Cologne model can be used to predict growth response in patients with SHOX deficiency with reasonable precision in the first treatment year, comparable to prediction in patients with GH deficiency. PMID- 29197220 TI - Allergic and non-allergic skin reactions associated with growth hormone therapy: elucidation of causative agents. AB - BACKGROUND: Allergic and non-allergic skin reactions to recombinant human growth hormone (rhGH) are uncommon and infrequently reported. However, physicians should be aware of these potential side effects to determine whether the reactions constitute true allergies and how to proceed with growth hormone therapy. To review allergic and non-allergic skin reactions caused by rhGH and subsequent diagnostic workup and management options. CASE PRESENTATION: We report the case of a 12-year-old healthy male presenting with idiopathic short stature. He developed an itchy skin rash over the chest and abdomen, 15 min after administration of the first dose of rhGH, leading us to review allergic and non allergic skin reactions to rhGH. In our patient, an immediate skin reaction after administration of rhGH prompted a concern about a type I hypersensitivity reaction (HS) and the discontinuation of rhGH. However, after a dermatologic evaluation and observed administration of rhGH without subsequent rash, the initial eruption was likely an exacerbation of his underlying atopic dermatitis and a type I HS was felt to be unlikely. The rhGH was resumed and he has been on rhGH for the past 1 year with no recurrence of rash and with improvement in growth velocity. CONCLUSIONS: Though rare, allergic and non-allergic skin reactions are known to occur with rhGH. It is important to know if the allergic reaction was due to the growth hormone molecule or one of the preservatives. It is also important to consider a non-allergic reaction due to flare up of underlying skin disorders as in our patient. PMID- 29197221 TI - miRNA-21 Expression in the Serum of Elderly Patients with Acute Myocardial Infarction. AB - BACKGROUND The aims of this study were to examine the expression of miRNA-21 in the serum of elderly patients (>65 years) with acute myocardial infarction (AMI) and to investigate the potential role of serum miRNA-21 as a marker of early cardiac myocyte damage. MATERIAL AND METHODS Thirty-eight elderly patients with recent AMI, 27 elderly patients with unstable angina pectoris, and 25 healthy elderly individuals were included in the study. Serum miRNA-21 expression was determined following total RNA extraction and reverse-transcribed into cDNA, followed by reverse transcription-polymerase chain reaction (RT-PCR). Serum creatine kinase MB isoenzyme (CK-MB) and cardiac troponin I (cTnI) levels were analyzed by electrochemiluminescence. Apoptosis of human cardiac myocytes (HCM) was analyzed using fluorescence-activated cell sorting (FACS), and protein expression of caspase-3 was detected using Western blot. RESULTS Expression levels of miRNA-21 in the serum of elderly patients with AMI were positively correlated with serum levels of CK-MB (r=0.3683, P=0.0229) and cTnI (r=0.5128, P=0.009). Following tumor necrosis factor (TNF)-alpha induction, the apoptosis rates of HCM transfected with the miRNA-21 mimic short hairpin RNA (shRNA) were downregulated by 39.1% compared with control HCM cells, and protein expression of c-Jun N-terminal kinases (JNK) and p38 were unchanged (P>0.05); protein expression of p-JNK, p-p38 and caspase-3 were downregulated by 37.1%, 35.8%, and 36.0%, respectively. CONCLUSIONS Expression of miRNA-21 was upregulated in the serum of elderly patients with AMI, which inhibited TNF-a induced apoptosis in HCM by activating the JNK/p38/caspase-3 signaling pathway. PMID- 29197222 TI - Development and implementation of a community health survey for public health accreditation: Case study from a rural county in California. AB - OBJECTIVE: To describe the planning, development, pilot testing, fielding, and outcomes of a community health survey in a rural California county pursuing public health accreditation. DESIGN: Community partners helped the local health department develop the community health survey. Extensive English- and Spanish language pilot testing was conducted over a period of four months. Final survey fielding was conducted online and at 20 community sites. RESULTS: 2189 completed surveys were collected. Total costs for developing and fielding the survey were approximately $25,000. Survey results indicated that alcoholism/drug abuse, breathing problems, and obesity were the primary health concerns of county residents. Benefits of conducting the community survey included strengthening inter-organizational partnerships between community partners, engaging a large and diverse respondent sample, and gathering information on a nuanced set of health indicators. Challenges included an unexpectedly high number of respondents and managing the needs of respondents with disabilities or poor literacy. CONCLUSION: The information gathered from the community health survey was used in the implementation of a county-wide multi-agency strategic plan to address health priorities identified in the CHA. Engaging a broad set of community partners throughout the survey process was critical for ensuring the project's relevance and long-term regional impact. PMID- 29197223 TI - Does soft really matter? Differentiation of induced pluripotent stem cells into mesenchymal stromal cells is not influenced by soft hydrogels. AB - Induced pluripotent stem cells (iPSCs) can be differentiated toward mesenchymal stromal cells (MSCs), but this transition remains incomplete. It has been suggested that matrix elasticity directs cell-fate decisions. Therefore, we followed the hypothesis that differentiation of primary MSCs and generation of iPSC-derived MSCs (iMSCs) is supported by a soft matrix of human platelet lysate (hPL-gel). We demonstrate that this fibrin-based hydrogel supports growth of primary MSCs with pronounced deposition of extracellular matrix, albeit it hardly impacts on gene expression profiles or in vitro differentiation of MSCs. Furthermore, iPSCs can be effectively differentiated toward MSC-like cells on the hydrogel. Unexpectedly, this complex differentiation process is not affected by the substrate: iMSCs generated on tissue culture plastic (TCP) or hPL-gel have the same morphology, immunophenotype, differentiation potential, and gene expression profiles. Moreover, global DNA methylation patterns are essentially identical in iMSCs generated on TCP or hPL-gel, indicating that they are epigenetically alike. Taken together, hPL-gel provides a powerful matrix that supports growth and differentiation of primary MSCs and iMSCs - but this soft hydrogel does not impact on lineage-specific differentiation. PMID- 29197224 TI - Variations in the number of births by day of the week, and morbidity and mortality in very-low-birth-weight infants. AB - OBJECTIVE: To know the distribution of births of very low birth weight infants by day of the week, and whether this distribution affects the morbidity and mortality in this group of patients. METHODS: This was a retrospective analysis of data collected prospectively in the Spanish SEN1500 network (2002-2011). Outborn infants, patients with major congenital anomalies, and those who died in the delivery room were excluded. Births were grouped into "weekdays" and "weekends." A multivariate logistic regression analysis was conducted to evaluate the independent effect of the birth moment on outcomes, and Cox regression for survival. RESULTS: Out of a total of 27,205 very low birth weight infants born at and/or admitted to the participating centers, 22,961 (84.4%) met inclusion criteria. A reduction of 24% in the number of births was observed during the "weekends" compared with "weekdays". In the raw analysis, patients born on weekends exhibited higher morbidity and mortality (mortality rate: 14.2% vs. 16.5%, p<0.001), but differences were no longer significant after adjusting for confounding factors. CONCLUSIONS: The present results suggest that current care practices reduce the proportion of births during the weekends and tend to cluster some high-risk births during this period, increasing crude morbidity and mortality. However, after adjusting for confounding factors, the differences disappear, suggesting that overall care coverage in these centers is appropriate. PMID- 29197225 TI - 4-Aminopyridine based amide derivatives as dual inhibitors of tissue non-specific alkaline phosphatase and ecto-5'-nucleotidase with potential anticancer activity. AB - Ecto-nucleotidase members i.e., ecto-5'-nucleotidase and alkaline phosphatase, hydrolyze extracellular nucleotides and play an important role in purinergic signaling. Their overexpression are implicated in a variety of pathological states, including immunological diseases, bone mineralization, vascular calcification and cancer, and thus they represent an emerging drug targets. In order to design potent and selective inhibitors, new derivatives of 4 aminopyridine have been synthesized (10a-10m) and their structures were established on the basis of spectral data. The effect of nature and position of substituent was interestingly observed and justified on the basis of their detailed structure activity relationships (SARs) against both families of ecto nucleotidase. Compound 10a displayed significant inhibition (IC50 +/- SEM = 0.25 +/- 0.05 uM) that was found ~168 fold more potent as compared to previously reported inhibitor suramin (IC50 +/- SEM = 42.1 +/- 7.8 uM). This compound exhibited 6 times more selectivity towards h-TNAP over h-e5'NT. The anticancer potential and mechanism were also established using cell viability assay, flow cytometric analysis and nuclear staining. Molecular docking studies were also carried out to gain insight into the binding interaction of potent compounds within the respective enzyme pockets and herring-sperm DNA. PMID- 29197226 TI - Tolerance of negative emotion moderates the amplification of mental contamination following an evoking task: A randomized experimental study. AB - BACKGROUND AND OBJECTIVES: Contamination is a near universal feeling, with mental contamination representing a contamination feeling in the absence of direct physical contact with a source. Extant research indicates that tolerance of negative emotion is important for understanding emotional reactions to images, thoughts, and memories, all of which are common sources of mental contamination. Extending research linking distress tolerance to mental contamination, this study examined if individual differences in the tolerance of negative emotion moderates the amplification of mental contamination following an evoking task. METHOD: Unselected participants completed a self-report measure of tolerance of negative emotion during an online session. They later attended an in-person session and were randomized to an experimental scenario group: betrayal (n = 49) or control (n = 49). Participants imagined themselves in a scenario, with the betrayal scenario designed to evoke mental contamination. Mental contamination was assessed by self-report before and after the scenario. RESULTS: The betrayal, but not control, scenario caused an increase in mental contamination. Tolerance for negative emotion moderated the effect of group on mental contamination. Group differences in mental contamination evidenced at low, but not high, distress tolerance. LIMITATIONS: A novel experimental manipulation and an unselected sample were used. Future research could assess tolerance of negative emotion using a behavioral task. CONCLUSIONS: These results indicate that tolerance of negative emotion may be important for understanding when individuals experience mental contamination. PMID- 29197227 TI - Involvement of the middle frontal gyrus in language switching as revealed by electrical stimulation mapping and functional magnetic resonance imaging in bilingual brain tumor patients. AB - Neural basis of language switching and the cognitive models of bilingualism remain controversial. We explored the functional neuroanatomy of language switching implementing a new multimodal protocol assessing neuropsychological, functional magnetic resonance and intraoperative electrical stimulation mapping results. A prospective series of 9 Spanish-Catalan bilingual candidates for awake brain surgery underwent a specific language switching paradigm implemented both before and after surgery, throughout the electrical stimulation procedure and during functional magnetic resonance both pre- and postoperatively. All patients were harboring left-hemispheric intrinsic brain lesions and were presenting functional language-related activations within the affected hemisphere. Language functional maps were reconstructed on the basis of the intraoperative electrical stimulation results and compared to the functional magnetic resonance findings. Single language-naming sites (Spanish and Catalan), as well as language switching naming sites were detected by electrical stimulation mapping in 8 patients (in one patient only Spanish related sites were detected). Single naming points outnumbered the switching points and did not overlap with each other. Within the frontal lobe, the single language naming sites were found significantly more frequently within the inferior frontal gyrus as compared to the middle frontal gyrus [X2 (1) = 20.3, p < .001]. Contrarily, switching naming sites were distributed across the middle frontal gyrus significantly more often than within the inferior frontal gyrus [X2 (1) = 4.1, p = .043]. Notably, there was not always an overlap between functional magnetic resonance and electrical stimulation mapping findings. After surgery, patients did not report involuntary language switching and their neuropsychological scores did not differ significantly from the pre-surgical examinations. Our results suggest a functional division of the frontal cortex between naming and language switching functions, supporting that non-language specific cognitive control prefrontal regions (middle frontal gyrus) are essential to maintain an effective communication together with the classical language-related sites (inferior frontal gyrus). PMID- 29197228 TI - Are carer attitudes toward medications related to self-reported medication adherence amongst people with mental illness? AB - Medication nonadherence among consumers with psychiatric disorders can significantly affect the health and wellbeing of the consumer and their family. Previous research has suggested that carers have an impact on consumer attitudes toward medication and adherence. Yet, how carer attitudes toward medication may be related to consumer attitudes and adherence has received little investigation. This exploratory study aimed to investigate the relationships between carer and consumer attitudes toward medication and consumer adherence behaviour. A cross sectional survey assessing consumer and carer attitudes toward medication and consumer adherence was conducted amongst 42 consumer-carer dyads. Correlation analyses showed a positive association between consumer and carer attitudes toward medication and between consumer and carer attitudes with adherence. There was a general indication that the greater the difference between consumer and carer attitudes, the lower the level of adherence. Regression analyses revealed that while neither consumer nor carer attitudes were significant predictors of adherence, carer attitudes appeared to have a stronger role in adherence than consumer attitudes. These preliminary results highlight the importance of carer attitudes in relation to patient perceptions and behaviours toward medication, and thus the potential benefits of addressing both consumer and carer attitudes in any intervention for improving adherence. PMID- 29197229 TI - Photocatalytic degradation and mineralization of perfluorooctanoic acid (PFOA) using a composite TiO2 -rGO catalyst. AB - The inherent resistance of perfluoroalkyl substances (PFASs) to biological degradation makes necessary to develop advanced technologies for the abatement of this group of hazardous substances. The present work investigated the photocatalytic decomposition of perfluorooctanoic acid (PFOA) using a composite catalyst based on TiO2 and reduced graphene oxide (95% TiO2/5% rGO) that was synthesized using a facile hydrothermal method. The efficient photoactivity of the TiO2-rGO (0.1gL-1) composite was confirmed for PFOA (0.24mmolL-1) degradation that reached 93+/-7% after 12h of UV-vis irradiation using a medium pressure mercury lamp, a great improvement compared to the TiO2 photocatalysis (24+/-11% PFOA removal) and direct photolysis (58+/-9%). These findings indicate that rGO provided the suited properties of TiO2-rGO, possibly as a result of acting as electron acceptor and avoiding the high recombination electron/hole pairs. The release of fluoride and the formation of shorter-chain perfluorocarboxilyc acids, that were progressively eliminated in a good match with the analysed reduction of total organic carbon, is consistent with a step-by-step PFOA decomposition via photogenerated hydroxyl radicals. Finally, the apparent first order rate constants of the TiO2-rGO UV-vis PFOA decompositions, and the intermediate perfluorcarboxylic acids were found to increase as the length of the carbon chain was shorter. PMID- 29197230 TI - The influence of prior reputation and reciprocity on dynamic trust-building in adults with and without autism spectrum disorder. AB - The present study was designed to investigate the effects of reputational priors and direct reciprocity on the dynamics of trust building in adults with (N = 17) and without (N = 25) autism spectrum disorder (ASD) using a multi-round Trust Game (MTG). On each round, participants, who played as investors, were required to maximize their benefits by updating their prior expectations (the partner's positive or negative reputation), based on the partner's directed reciprocity, and adjusting their own investment decisions accordingly. Results showed that reputational priors strongly oriented the initial decision to trust, operationalized as the amount of investment the investor shares with the counterpart. However, while typically developed participants were mainly affected by the direct reciprocity, and rapidly adopted the optimal Tit-for-Tat strategy, participants with ASD continued to rely on reputational priors throughout the game, even when experience of the counterpart's actual behavior contradicted their prior-based expectations. In participants with ASD, the effect of the reputational prior never disappeared, and affected judgments of trustworthiness and reciprocity of the partner even after completion of the game. Moreover, the weight of prior reputation positively correlated with the severity of the ASD participant's social impairments while the reciprocity score negatively correlated with the severity of repetitive and stereotyped behaviors, as measured by the Autism Diagnostic Interview-Revised (ADI-R). In line with Bayesian theoretical accounts, the present findings indicate that individuals with ASD have difficulties encoding incoming social information and using it to revise and flexibly update prior social expectations, and that this deficit might severely hinder social learning and everyday life interactions. PMID- 29197231 TI - Uptake and effects of 2, 4, 6 - trinitrotoluene (TNT) in juvenile Atlantic salmon (Salmo salar). AB - Organ specific uptake and depuration, and biological effects in Atlantic salmon (Salmo salar) exposed to 2, 4, 6-trinitrotoluene (TNT) were studied. Two experiments were conducted, the first using radiolabeled TNT (14C-TNT, 0.16mg/L) to study uptake (48h) and depuration (48h), while the second experiment focused on physiological effects in fish exposed to increasing concentrations of unlabeled TNT (1MUg-1mg/L) for 48h. The uptake of 14C-TNT in the gills and most of the organs increased rapidly during the first 6h of exposure (12h in the brain) followed by a rapid decrease even though the fish were still exposed to TNT in the water. The radioactivity in the gall bladder reached a maximum after 55h, 7h after the transfer to the clean water. A high concentration of 14C-TNT in the gall bladder indicates that TNT is excreted through the gall bladder. Mortality (2 out of 14) was observed at a concentration of 1mg/L, and the surviving fish had hemorrhages in the dorsal muscle tissue near the spine. Analysis of the physiological parameters in blood from the high exposure group revealed severe effects, with an increase in the levels of glucose, urea and HCO3, and a decrease in hematocrit and the levels of Cl and hemoglobin. No effects on blood physiology were observed in fish exposed to the lower concentrations of TNT (1-100MUg/L). TNT and the metabolites 2-amino-4,6 dinitrotoluene (2-ADNT) and 4-amino-2,6-dinitrotoluene (4-ADNT) were found in the muscle tissue, whereas only 2-ADNT and 4-ADNT were found in the bile. The rapid excretion and estimated bioconcentration factors (range of 2-18 after 48h in gills, blood, liver, kidney, muscle and brain) indicated a low potential for bioaccumulation of TNT. PMID- 29197232 TI - Uptake, tissue distribution, and toxicity of polystyrene nanoparticles in developing zebrafish (Danio rerio). AB - Plastic pollution is a critical environmental concern and comprises the majority of anthropogenic debris in the ocean, including macro, micro, and likely nanoscale (less than 100nm in at least one dimension) plastic particles. While the toxicity of macroplastics and microplastics is relatively well studied, the toxicity of nanoplastics is largely uncharacterized. Here, fluorescent polystyrene nanoparticles (PS NPs) were used to investigate the potential toxicity of nanoplastics in developing zebrafish (Danio rerio), as well as to characterize the uptake and distribution of the particles within embryos and larvae. Zebrafish embryos at 6h post-fertilization (hpf) were exposed to PS NPs (0.1, 1, or 10ppm) until 120 hpf. Our results demonstrate that PS NPs accumulated in the yolk sac as early as 24 hpf and migrated to the gastrointestinal tract, gallbladder, liver, pancreas, heart, and brain throughout development (48-120 hpf). Accumulation of PS NPs decreased during the depuration phase (120-168 hpf) in all organs, but at a slower rate in the pancreas and gastrointestinal tract. Notably, exposure to PS NPs did not induce significant mortality, deformities, or changes to mitochondrial bioenergetics, but did decrease the heart rate. Lastly, exposure to PS NPs altered larval behavior as evidenced by swimming hypoactivity in exposed larvae. Taken together, these data suggest that at least some nanoplastics can penetrate the chorion of developing zebrafish, accumulate in the tissues, and affect physiology and behavior, potentially affecting organismal fitness in contaminated aquatic ecosystems. PMID- 29197234 TI - Identifying risk factors for first-episode neck pain: A systematic review. AB - Neck pain affects 15.1% of the United States' general population every 3 months, and ranks fourth in global disability. Because of the tendency for neck pain to become a chronic issue, it is important to identify risk factors that could encourage prevention and early diagnosis. The purpose of this systematic review was to identify risk factors for a first episode of neck pain. Three databases were searched with key words such as "neck pain" and "first incidence." Risk factors from the resulting articles were reported as either a physical or psychosocial risk factor and ranked by the strength of their odds/risk/hazard ratio: <1.0 (protective factor), 1.0-1.5 (minor risk), 1.5-2.0 (moderate risk), or 2.0+ (major risk). Out of 878 total articles, 10 articles met our inclusion criteria. Of these studies, a global incidence rate for neck pain was calculated to be 16.2%. The strongest psychosocial risk factors were depressed mood, high role conflict, and perceived muscular tension. There were no major physical risk factors (2.0+), but the most commonly reported risk factor was work in awkward/sustained postures. Protective measures found included high perceived empowering leadership, high perceived social climate, leisure physical activity, and cervical extensor endurance. Most risk factors found for neck pain were related to psychosocial characteristics, rather than physical characteristics. A number of these risk factors were mediating factors, suggesting that a prevention based program may be useful in modifying the existence of the risk factors before the occurrence of neck pain. PMID- 29197233 TI - Cholinergic anti-inflammatory pathway inhibits neointimal hyperplasia by suppressing inflammation and oxidative stress. AB - Neointimal hyperplasia as a consequence of vascular injury is aggravated by inflammatory reaction and oxidative stress. The alpha7 nicotinic acetylcholine receptor (alpha7nAChR) is a orchestrator of cholinergic anti-inflammatory pathway (CAP), which refers to a physiological neuro-immune mechanism that restricts inflammation. Here, we investigated the potential role of CAP in neointimal hyperplasia using alpha7nAChR knockout (KO) mice. Male alpha7nAChR-KO mice and their wild-type control mice (WT) were subjected to wire injury in left common carotid artery. At 4 weeks post injury, the injured aortae were isolated for examination. The neointimal hyperplasia after wire injury was significantly aggravated in alpha7nAChR-KO mice compared with WT mice. The alpha7nAChR-KO mice had increased collagen contents and vascular smooth muscle cells (VSMCs) amount. Moreover, the inflammation was significantly enhanced in the neointima of alpha7nAChR-KO mice relative to WT mice, evidenced by the increased expression of tumor necrosis factor-alpha/interleukin-1beta, and macrophage infiltration. Meanwhile, the chemokines chemokine (C-C motif) ligand 2 and chemokine (CXC motif) ligand 2 expression was also augmented in the neointima of alpha7nAChR-KO mice compared with WT mice. Additionally, the depletion of superoxide dismutase (SOD) and reduced glutathione (GSH), and the upregulation of 3-nitrotyrosine, malondialdehyde and myeloperoxidase were more pronounced in neointima of alpha7nAChR-KO mice compared with WT mice. Accordingly, the protein expression of NADPH oxidase 1 (Nox1), Nox2 and Nox4, was also higher in neointima of alpha7nAChR-KO mice compared with WT mice. Finally, pharmacologically activation of CAP with a selective alpha7nAChR agonist PNU-282987, significantly reduced neointima formation, arterial inflammation and oxidative stress after vascular injury in C57BL/6 mice. In conclusion, our results demonstrate that alpha7nAChR mediated CAP is a neuro-physiological mechanism that inhibits neointima formation after vascular injury via suppressing arterial inflammation and oxidative stress. Further, these results imply that targeting alpha7nAChR may be a promising interventional strategy for in-stent stenosis. PMID- 29197235 TI - The relationship of school climate, teacher defending and friends on students' perceptions of bullying in high school. AB - The purpose of this study was to examine the relationship of school climate, teacher defending, and friends on bullying and victimization. Participants were 2273 high school students from 3 public schools (an all girls, all boys boarding, and a co-ed day) in Kenya. A structural equation model was used to examine relationships between school climate, teacher behavior toward bullying, and student demographic characteristics, and bullying. Results revealed that a positive school climate was associated with less bullying behavior and victimization. In addition, when students reported that teachers stop bullying by students, bullying behavior and victimization scores were lower. Contrary to previous research these results showed that residents of a boys only boarding school were less likely to report bullying behavior than residents of an all girls school, or students at a co-educational institution. Furthermore, there were no differences in bullying behavior or victimization by gender or grade level. Implications of these results are discussed. PMID- 29197236 TI - The roles of parenting practices, sociocognitive/emotive traits, and prosocial behaviors in low-income adolescents. AB - The goal of the current study was to examine the links among parenting practices (i.e., use of social and material rewards), sociocognitive and socioemotive traits (i.e., perspective taking, prosocial moral reasoning, and empathic concern), and prosocial behaviors among adolescents in a low-income, Midwestern community. Participants were 311 adolescents (M age = 16.10 years; range = 14-19 years; 58.7% girls; 82.7% White; 13.6% Latino). The results demonstrated that social rewards were positively associated with perspective taking, empathic concern, and prosocial moral reasoning, which were each associated with multiple forms of prosocial behaviors. Material rewards were negatively associated with prosocial moral reasoning and empathic concern. There were also direct links between material and social rewards and prosocial behaviors. Discussion will focus on the intervening role of social cognitions and emotions in explaining links between parenting practices and low-income adolescents' prosocial behaviors. PMID- 29197237 TI - The rise in obesity in Cuba from 2001 to 2010: An analysis of National Survey on Risk Factors and Chronic Diseases data. AB - Using two waves of the National Survey on Risk Factors and Chronic Diseases in Cuba, we identify demographic and socioeconomic characteristics associated with obesity among urban adults aged 18+ and decompose the change in obesity within this 9-year period using both the mean-based Blinder-Oaxaca decomposition and a nonlinear approach. Our results reveal significant increases in overweight and obesity (2.3, 3.1, and 7.6 percentage points for BMI-based overweight, BMI-based obesity, and abdominal obesity, respectively). Depending on the decompositional approach and obesity measure, our analysis explains between 13% and 51% of the rise in overweight and obesity, with most part attributable to changes in risky behavior, age, and education. Of particular importance are the large decline in smoking and the population's changing age structure. PMID- 29197238 TI - Food insecurity and child behavior problems in fragile families. AB - Food insecurity remains a persistent problem in the United States. Several studies have shown that food insecurity is associated with child externalizing and internalizing behavior problems. However, some potential methodological limitations remain. For example, most studies use a household measure of food insecurity while there is evidence that children, especially younger ones, tend to be shielded by their parents from experiencing food insecurity. In addition, the mechanisms through which food insecurity affects children are not well understood. This study uses longitudinal data from the Fragile Families and Child Wellbeing Study to address these limitations. Fixed-effects models show that the association is even larger using a measure of child food insecurity instead of a household one. Correlated-random effects models show a large difference in child behavior problems between food secure and food insecure children due to unobserved heterogeneity. In addition, the association between child food insecurity and child externalizing behaviors remains largely unexplained while food insecurity among adults explains almost all the variation in the association with child internalizing behaviors. Food insecure children and parents are at risk of micronutrient deficiencies, which may lead to behavior problems in young children. These findings underscore the need for greater focus on reducing the risk of food insecurity, especially for children in fragile families, in order to reduce behavior problems and improve their educational attainment. PMID- 29197239 TI - Age at menarche in Polish University students born before, during and after World War II: Economic effects. AB - Although the relationships between economic conditions and biological variables over the past two centuries in Poland are reasonably well-documented, the influence of economic and political disruptions, including nutritional privation, during the years immediately before, during and shortly after World War II (WWII) has received less attention. This paper considers the association between age at menarche and body size of university students born before, during and after WWII and father's level of education, a commonly used indicator of family economic status in Poland. Subjects were 518 university students surveyed between 1955 and 1972, birth years 1931 through 1951. The sample was divided into three birth cohorts: before (n=237), during (n=247) and after (n=34) WWII. Age at menarche was compared among birth cohorts, and by weight status and father's level of education. Age at menarche increased slightly but significantly among women born during WWII (14.4 yrs) compared to those born before (14.2 yrs) and after (13.9 yrs) the war. Controlling for year of birth and age of the student, age at menarche was significantly earlier in overweight (13.42+/-0.35 yrs) than in normal weight (14.33+/-0.06 yrs) and thin (14.54+/-0.21 yrs) women. Adjusted mean ages at menarche in small samples of overweight women did not differ by father's level of education, and were earlier than corresponding ages of thin and normal weight women. Adjusted mean ages at menarche did not differ between thin and normal weight women with fathers having primary or no education, but were slightly later in thin than in normal weight women with fathers having a vocational, secondary or higher education. Although age at menarche was associated with father's level of education, young adult weight status was a somewhat more important correlate. PMID- 29197240 TI - Macroeconomic conditions and health: Inspecting the transmission mechanism. AB - We study the relationship between macroeconomic conditions and self-reported health in a large sample of Italian individuals, focusing on the mediating role played by health behaviors (smoking, alcohol consumption, physical activity, eating habits) and economic stress. Our findings indicate that, overall, higher local unemployment is negatively related to individuals' health conditions. A one percentage point increase in the province-level unemployment rate is associated with a significant increase in the probability of experiencing diabetes (0.03 percentage points), infarction (0.01), ulcer (0.06), cirrhosis (0.01) and nervous disorders (0.07), with a time lag that differs across individual health conditions. Employment status and educational level play a significant role as moderators of these relationships. Eating habits, in addition to economic stress, play a key role as mediators, by enhancing the negative relationship between macroeconomic conditions and health outcomes, while physical exercise is found to play a dampening role. PMID- 29197241 TI - Iconicity affects children's comprehension of complex sentences: The role of semantics, clause order, input and individual differences. AB - Complex sentences involving adverbial clauses appear in children's speech at about three years of age yet children have difficulty comprehending these sentences well into the school years. To date, the reasons for these difficulties are unclear, largely because previous studies have tended to focus on only sub types of adverbial clauses, or have tested only limited theoretical models. In this paper, we provide the most comprehensive experimental study to date. We tested four-year-olds, five-year-olds and adults on four different adverbial clauses (before, after, because, if) to evaluate four different theoretical models (semantic, syntactic, frequency-based and capacity-constrained). 71 children and 10 adults (as controls) completed a forced-choice, picture-selection comprehension test, providing accuracy and response time data. Children also completed a battery of tests to assess their linguistic and general cognitive abilities. We found that children's comprehension was strongly influenced by semantic factors - the iconicity of the event-to-language mappings - and that their response times were influenced by the type of relation expressed by the connective (temporal vs. causal). Neither input frequency (frequency-based account), nor clause order (syntax account) or working memory (capacity constrained account) provided a good fit to the data. Our findings thus contribute to the development of more sophisticated models of sentence processing. We conclude that such models must also take into account how children's emerging linguistic understanding interacts with developments in other cognitive domains such as their ability to construct mental models and reason flexibly about them. PMID- 29197242 TI - Alcohol and illicit drugs in drivers involved in road traffic crashes in the Milan area. A comparison with normal traffic reveals the possible inadequacy of current cut-off limits. AB - BACKGROUND: Driving under the influence of alcohol and/or illicit drugs in Italy is regulated by the articles 186 and 187 of the National Street Code. Epidemiological studies on drivers involved in road traffic crashes (RTC) provide useful information about the use/abuse of these substances in the general population. Comparison with case control studies may reveal important information like the cut-off limits adequacy. METHODS: Data from 1587 blood tests for alcohol and 1258 blood tests for illicit drugs on drivers involved in RTC around Milan between 2012 and 2016, were analyzed and compared with a published random survey (DRUID) from the European Community. RESULTS: Our data from RTC-involved drivers show that alcohol abuse is not age-related whereas illicit drugs are more common in young people. Cannabinoids are frequent among younger drivers (median age 27) whereas cocaine is more often detected in adults (median age 34). The calculated odds ratio after comparison with the DRUID survey shows that a blood alcohol concentration below the legal limit does not represent a risk factor in having a car accident whereas concentrations of cocaine and cannabinoids within the legal limits are associated with being involved in a car accident. CONCLUSIONS: Despite authority efforts, the abuse of alcohol and illicit drugs is still common in young drivers. We suspect that the cut-off limits for cannabinoids and cocaine and/or the pre-analytical procedures for these substances are inadequate. We suggest a better standardization of the procedure by shortening the time interval between the request for investigation and blood collection and propose the adoption of more stringent cut-off limits. PMID- 29197243 TI - Automated facial recognition of manually generated clay facial approximations: Potential application in unidentified persons data repositories. AB - This research examined how accurately 2D images (i.e., photographs) of 3D clay facial approximations were matched to corresponding photographs of the approximated individuals using an objective automated facial recognition system. Irrespective of search filter (i.e., blind, sex, or ancestry) or rank class (R1, R10, R25, and R50) employed, few operationally informative results were observed. In only a single instance of 48 potential match opportunities was a clay approximation matched to a corresponding life photograph within the top 50 images (R50) of a candidate list, even with relatively small gallery sizes created from the application of search filters (e.g., sex or ancestry search restrictions). Increasing the candidate lists to include the top 100 images (R100) resulted in only two additional instances of correct match. Although other untested variables (e.g., approximation method, 2D photographic process, and practitioner skill level) may have impacted the observed results, this study suggests that 2D images of manually generated clay approximations are not readily matched to life photos by automated facial recognition systems. Further investigation is necessary in order to identify the underlying cause(s), if any, of the poor recognition results observed in this study (e.g., potential inferior facial feature detection and extraction). Additional inquiry exploring prospective remedial measures (e.g., stronger feature differentiation) is also warranted, particularly given the prominent use of clay approximations in unidentified persons casework. PMID- 29197244 TI - Systematic assessment of different solvents for the extraction of drugs of abuse and pharmaceuticals from an authentic hair pool. AB - Hair analysis has been established as a prevalent tool for retrospective drug monitoring. In this study, different extraction solvents for the determination of drugs of abuse and pharmaceuticals in hair were evaluated for their efficiency. A pool of authentic hair from drug users was used for extraction experiments. Hair was pulverized and extracted in triplicate with seven different solvents in a one or two-step extraction. Three one- (methanol, acetonitrile, and acetonitrile/water) and four two-step extractions (methanol two-fold, methanol and methanol/acetonitrile/formate buffer, methanol and methanol/formate buffer, and methanol and methanol/hydrochloric acid) were tested under accurately equal experimental conditions. The extracts were directly analyzed by liquid chromatography-tandem mass spectrometry for opiates/opioids, stimulants, ketamine, selected benzodiazepines, antidepressants, antipsychotics, and antihistamines using deuterated internal standards. For most analytes, a two-step extraction with methanol did not significantly improve the yield compared to a one-step extraction with methanol. Extraction with acetonitrile alone was least efficient for most analytes. Extraction yields of acetonitrile/water, methanol and methanol/acetonitrile/formate buffer, and methanol and methanol/formate buffer were significantly higher compared to methanol. Highest efficiencies were obtained by a two-step extraction with methanol and methanol/hydrochloric acid, particularly for morphine, 6-monoacetylmorphine, codeine, 6-acetylcodeine, MDMA, zopiclone, zolpidem, amitriptyline, nortriptyline, citalopram, and doxylamine. For some analytes (e.g., tramadol, fluoxetine, sertraline), all extraction solvents, except for acetonitrile, were comparably efficient. There was no significant correlation between extraction efficiency with an acidic solvent and the pka or log P of the analyte. However, there was a significant trend for the extraction efficiency with acetonitrile to the log P of the analyte. The study demonstrates that the choice of extraction solvent has a strong impact on hair analysis outcomes. Therefore, validation protocols should include the evaluation of extraction efficiency of drugs by using authentic rather than spiked hair. Different extraction procedures may contribute to the scatter of quantitative results in inter-laboratory comparisons. Harmonization of extraction protocols is recommended, when interpretation is based on same cut-off levels. PMID- 29197245 TI - The geographic mosaic of Ecuadorian Y-chromosome ancestry. AB - Ecuadorians originated from a complex mixture of Native American indigenous people with Europeans and Africans. We analyzed Y-chromosome STRs (Y-STRs) in a sample of 415 Ecuadorians (145 using the AmpFlSTR(r) YfilerTM system [Life Technologies, USA] and 270 using the PowerPlex(r)Y23 system [Promega Corp., USA]; hereafter Yfiler and PPY23, respectively) representing three main ecological continental regions of the country, namely Amazon rainforest, Andes, and Pacific coast. Diversity values are high in the three regions, and the PPY23 exhibits higher discrimination power than the Yfiler set. While summary statistics, AMOVA, and RST distances show low to moderate levels of population stratification, inferred ancestry derived from Y-STRs reveal clear patterns of geographic variation. The major ancestry in Ecuadorian males is European (61%), followed by an important Native American component (34%); whereas the African ancestry (5%) is mainly concentrated in the Northwest corner of the country. We conclude that classical procedures for measuring population stratification do not have the desirable sensitivity. Statistical inference of ancestry from Y-STRS is a satisfactory alternative for revealing patterns of spatial variation that would pass unnoticed when using popular statistical summary indices. PMID- 29197246 TI - Combined toxicity of endosulfan and phenanthrene mixtures and induced molecular changes in adult Zebrafish (Danio rerio). AB - Individual and combined toxicities of endosulfan (ENDO) with phenanthrene (PHE) were evaluated using zebrafish (Danio rerio) adults. The 96-h LC50 values for ENDO and PHE were 4.6 MUg L-1 and 920 MUg L-1, respectively. To evaluate the mixture toxicity, LC10 and LC50 concentrations were grouped into four combinations as ENDO-LC10 + PHE-LC10, ENDO-LC10 + PHE-LC50, ENDO-LC50 + PHE-LC10, and ENDO-LC50 + PHE-LC50, and their acute toxicities were determined. The combination of LC50-ENDO and LC10-PHE exhibited a synergistic effect. In addition, acetylcholinesterase activity decreased in zebrafish bodies exposed to ENDO with or without PHE. Combined treatments induced higher glutathione S transferase activity compared to individual treatments. Carboxylesterase activity increased in both heads and bodies of ENDO-treated fishes compared with PHE treated fishes. Using RT-qPCR technique, CYP1A gene expression significantly up regulated in all combinations, whereas CYP3A was unchanged, suggesting that enzymes involved in defense may play different roles in the detoxification. CYP7A1 gene responsible for bile acid biosynthesis is dramatically down-regulated after exposure to the synergistic combination exposure, referring that the synergistic effect may be resulted from the reduction of bile production in zebrafishes. Among gender-related genes, CYP11A1 and CYP17A1 genes in female zebrafish decreased after treatment with ENDO alone and combination of LC50-ENDO and LC10-PHE. This might be related to a reduction in cortisol production. The overall results indicated that ENDO and PHE were toxic to zebrafish adults both individually and in combination, and that their co-presence induced changes in the expression of genes responsible for metabolic processes and defense mechanisms. PMID- 29197247 TI - Comment on "Changes in activation energy and kinetics of heat-activated persulfate oxidation of phenol in response to changes in pH and temperature". PMID- 29197248 TI - The role of IL-8/CXCR2 signaling in microcystin-LR triggered endothelial cell activation and increased vascular permeability. AB - Microcystins are a family of cyclic heptapeptide toxins naturally produced by freshwater cyanobacteria. Microcystin-LR (MCLR) is believed to be the most toxic and common one with various pathological effects on human and mammals. However, the effects of MCLR on endothelial cells and vascular homeostasis have been largely unknown. We explored the mRNA and protein expression changes of several pro-inflammatory mediators in human umbilical vein endothelial cells (HUVECs) and C57BC/6 mice exposed to MCLR. Tumor necrosis factor-alpha (TNF-alpha), interleukin-1 beta (IL-1beta), interleukin-6 (IL-6), especially interleukin-8 (IL 8) were remarkably upregulated both in endothelial cells and in serum. Increased endothelial permeability in vitro and chronic microvascular permeability in animals were also observed. Silencing the IL-8 gene with siRNA or blocking its cognate receptor, CXC-chemokine receptor type 2 (CXCR2), by a specific inhibitor efficiently prevented the MCLR induced leakage. These observations indicate a novel insight of inflammation triggered property of MCLR via IL-8/CXCR2 signaling, suggesting CXCR2 as a target molecule in protective strategy against the wide range pollution of microcystin. PMID- 29197249 TI - Characterising microbial reduction of arsenate sorbed to ferrihydrite and its concurrence with iron reduction. AB - A series of model anoxic incubations were performed to understand the concurrence between arsenate and ferrihydrite reduction by Shewanella putrefaciens strain CN 32 at different concentrations of arsenate, ferrihydrite and lactate, and with given DeltaGrxn for arsenate and ferrihydrite reduction in non-growth conditions. The reduction kinetics of arsenate sorbed to ferrihydrite is predominately controlled by the availability of dissolved arsenate, which is measured by the integral of dissolved arsenate concentrations against incubation time and shown to correlate with the first order rate constants. High lactate concentrations slightly slowed down the rate of arsenate reduction due to the competition with arsenate for microbial contact. Under all experimental conditions, simultaneous arsenate and ferrihydrite reduction occurred following addition of S. putrefaciens inoculums and suggested no apparent competition between these two enzymatic reductions. Ferrous ions released from iron reduction might retard microbial arsenate reduction at high arsenate and ferrihydrite concentrations due to formation of ferrous arsenate. At high arsenate to ferrihydrite ratios, reductive dissolution of ferrihydrite shifted arsenate from sorption to dissolution and hence accelerated arsenate reduction. The interaction between microbial arsenate and ferrihydrite reduction did not correlate with DeltaGrxn, but instead was governed by other factors such as geochemical and microbial parameters. PMID- 29197250 TI - In utero single low-dose exposure of cadmium induces rat fetal Leydig cell dysfunction. AB - Cadmium chloride (Cd) is a potent endocrine disruptor and may cause the malformation in the male reproductive tract. However, the effects of a single in utero exposure to low doses of Cd on fetal Leydig cell development are still unknown. The objective of this study is to investigate the effects of a single in utero exposure to low doses of Cd on rat fetal Leydig cell development. Adult 64 day-old Sprague-Dawley dams received a single intraperitoneal injection of 0, 0.25, 0.5, and 1.0 mg/kg Cd on gestational day 12. Cd dose-dependently reduced testosterone production of fetal testis, lowered fetal Leydig cell numbers, downregulated protein expression levels of Leydig (LHCGR, SCARB1, STAR, CYP11A1, HSD3B1, and CYP17A1), and Sertoli cells (HSD17B3, DHH, and FSHR). In conclusion, our results demonstrated that a single in utero exposure to low doses of Cd blocked fetal Leydig cell development. PMID- 29197251 TI - "The next-generation": Long-term reproductive outcome of adults born at a very low birth weight. AB - BACKGROUND: Preterm birth at very low birth weight (VLBW, <1500g) has a multitude of consequences that extend to various aspects of adult life. Little is known about the long-term reproductive outcome of VLBW that survive to adulthood. AIMS: To evaluate the reproductive outcome of VLBW infants who survive to adulthood (next-generation). STUDY DESIGN: Retrospective cohort. SUBJECTS: Infants born at a single tertiary center between the years 1982-1997 who survived to 18years of age (first-generation). OUTCOME MEASURES: The number and the birth weight of offspring from adults born with VLBW were compared to those of other birth weight groups born in the same epoch: 1500-2499g, 2500-3799g (reference group) and >=3800g. We calculated the ratio of actual compared to expected number of children in the next-generation for extreme birth weight parents, using the reference group as a control group and adjusting for birth year. Thereafter, we measured whether first-generation VLBW had an increased risk for a VLBW in the next-generation. RESULTS: After exclusions, we identified first-generation 67,183 births, including 618 (9.2%) VLBW. There were 193 males and 184 female VLBW infants who survived to adulthood. Both female and male first-generation patients from the VLBW group had half the reproductive rate relative for the normal birth weight group. After adjusting for parental age, male and female VLBW survivors had no significant risk for a VLBW neonate in the next-generation, however, the overall number of are small and may limit any conclusion. CONCLUSION: VLBW children who reach adulthood may be at a significantly lower reproductive capacity. PMID- 29197252 TI - Oregano dietary supplementation modifies the liver transcriptome profile in broilers: RNASeq analysis. AB - Intensive farming of broilers involves stressful conditions that reduce animal welfare and performance. New dietary strategies to improve performance and meat quality include the administration of plant extracts. Oregano (Origanum vulgare L.) is known for its antimicrobial, anti-fungal, insecticidal and antioxidant properties. However, studies on diet supplementation with oregano are mainly focused on the evaluation of animal performance, while partial information is available on transcriptomics and nutrigenomics and, in particular, Next Generation Sequencing (NGS) is not widely applied. In this study we tested the effect of an oregano aqueous extract supplemented diet on gene expression in broiler chickens. Whole liver transcriptome of 10 birds fed with a supplemented diet versus 10 controls was analyzed using the RNA-Seq technique. One hundred and twenty-nine genes were differentially expressed with an absolute log fold change >1. The analysis reveals a massive down-regulation of genes involved in fatty acid metabolism and insulin signaling pathways in broilers fed with the oregano aqueous extract supplementation. Down-regulated genes could be associated to chicken lean line, suggesting the potential beneficial effect of oregano supplementation in reducing both abdominal and visceral fat deposition. Down regulation of insulin signaling pathway related genes suggest that dietary oregano supplementation might be an option in obesity and diabetes conditions. PMID- 29197253 TI - Deep learning analysis of the myocardium in coronary CT angiography for identification of patients with functionally significant coronary artery stenosis. AB - In patients with coronary artery stenoses of intermediate severity, the functional significance needs to be determined. Fractional flow reserve (FFR) measurement, performed during invasive coronary angiography (ICA), is most often used in clinical practice. To reduce the number of ICA procedures, we present a method for automatic identification of patients with functionally significant coronary artery stenoses, employing deep learning analysis of the left ventricle (LV) myocardium in rest coronary CT angiography (CCTA). The study includes consecutively acquired CCTA scans of 166 patients who underwent invasive FFR measurements. To identify patients with a functionally significant coronary artery stenosis, analysis is performed in several stages. First, the LV myocardium is segmented using a multiscale convolutional neural network (CNN). To characterize the segmented LV myocardium, it is subsequently encoded using unsupervised convolutional autoencoder (CAE). As ischemic changes are expected to appear locally, the LV myocardium is divided into a number of spatially connected clusters, and statistics of the encodings are computed as features. Thereafter, patients are classified according to the presence of functionally significant stenosis using an SVM classifier based on the extracted features. Quantitative evaluation of LV myocardium segmentation in 20 images resulted in an average Dice coefficient of 0.91 and an average mean absolute distance between the segmented and reference LV boundaries of 0.7 mm. Twenty CCTA images were used to train the LV myocardium encoder. Classification of patients was evaluated in the remaining 126 CCTA scans in 50 10-fold cross-validation experiments and resulted in an area under the receiver operating characteristic curve of 0.74 +/- 0.02. At sensitivity levels 0.60, 0.70 and 0.80, the corresponding specificity was 0.77, 0.71 and 0.59, respectively. The results demonstrate that automatic analysis of the LV myocardium in a single CCTA scan acquired at rest, without assessment of the anatomy of the coronary arteries, can be used to identify patients with functionally significant coronary artery stenosis. This might reduce the number of patients undergoing unnecessary invasive FFR measurements. PMID- 29197254 TI - Utilization of lipid-modifying therapy and low-density lipoprotein cholesterol goal attainment in patients at high and very-high cardiovascular risk: Real-world evidence from Germany. AB - BACKGROUND AND AIMS: Elevated low-density lipoprotein cholesterol (LDL-C) is a causal risk factor for cardiovascular (CV) events. European guidelines recommend reducing LDL-C as the primary lipid target to reduce CV risk, using lifestyle modifications and lipid-lowering therapy (LLT). Many European patients do not achieve guideline-recommended LDL-C levels. The present database analysis aimed to assess LLT treatment patterns and LDL-C threshold attainment in Germany in a large, real-world cohort of patients. METHODS: Patients from the Cegedim Longitudinal Practice Database in Germany who met selection criteria were included: (a) LDL-C measurement in 2013; (b) >=20 years of age; (c) high or very high CV risk conditions: recent acute coronary syndrome (ACS), other coronary heart disease (CHD), ischemic stroke, peripheral arterial disease (PAD) (atherosclerotic cardiovascular disease [ASCVD]) or diabetes mellitus (DM) (non ASCVD). LDL-C threshold attainment was assessed based on LDL-C targets from 2011 European guidelines. RESULTS: 42,767 patients met the inclusion criteria; 35% received current statin treatment, and 30% achieved guideline-recommended LDL-C targets. Attainment of LDL-C goals among ASCVD hierarchical categories was 46.7% for recent ACS, 35.8% for ischemic stroke, 34.9% for other CHD, and 26.9% for PAD. Among patients in the non-ASCVD group with DM, 23.6% achieved LDL-C goals. Similar results were observed when patients were grouped by prevalence (patients assigned to every risk group for which they qualified). CONCLUSIONS: In this high/very-high CV risk population in Germany, statin utilization was low; suggesting that LLTs are not prescribed as per European guidelines. These results highlight the need to increase LLT use among high-risk patients. PMID- 29197255 TI - Methane to bioproducts: the future of the bioeconomy? AB - Methanotrophs have been studied since the 1970s, but interest has increased tremendously in recent years due to their potential to transform methane into valuable bioproducts. The vast quantity of available methane and the low price of methane as natural gas have helped to spur this interest. The most well-studied, biologically-derived products from methane include methanol, polyhydroxyalkanoates, and single cell protein. However, many other high-interest chemicals such as biofuels or high-value products such as ectoine could be made industrially relevant through metabolic engineering. Although challenges must be overcome to achieve commercialization of biologically manufactured methane-to products, taking a holistic view of the production process or radically re imagining pathways could lead to a future bioeconomy with methane as the primary feedstock. PMID- 29197256 TI - Determination of the formal redox potentials of the cyanhaemoglobin/cyanmethaemoglobin and the myoglobin/metmyoglobin couples at neutral pH. AB - Determination of a representative formal redox potential of the Fe(II)/Fe(III) redox couple in cyanhaemoglobin, at pH=7 and related to the state in solution, was the objective of this work. It was achieved at low concentrations of the protein (5MUM) to circumvent undesired adsorption. Square-wave voltammetry instead of classical cyclic voltammetry was applied because this method is more sensitive and provides information on the formal redox potential and reversibility, even for rapid processes. We obtained E degrees '=-0.12+/-0.01V for cyanhaemoglobin and E degrees '=-0.10+/-0.01V, vs. SHE, for myoglobin in comparison. These values differ by only 20mV because the two Fe(II)/Fe(III) redox centres are embedded in closely resembling chemical environments. The small difference is probably owed to the additional axially coordinating cyanide ligand in cyanmethaemoglobin which slightly favours the Fe(III) state in the haem macrocycle. PMID- 29197257 TI - Adsorption/desorption of biomacromolecules involved in catalytic hydrogen evolution. AB - Previously, it has been shown that proteins and some polysaccharides (PSs) catalyse hydrogen evolution, producing electrochemical signals on mercury electrodes. The catalytic hydrogen evolution reaction (CHER) of the above mentioned biomacromolecules was studied by voltammetric and chronopotentiometric stripping (CPS) methods. To obtain more information about electrode processes involving CHER, here we used protein such as BSA, and chitosan as a PS; in addition, we investigated dextran as a control PS not involved in CHER. We studied biomacromolecules by phase-sensitive alternating current (AC) voltammetry. Using phase-in AC voltammetry, for CHER-involved biomacromolecules we observed a CHER peak at highly negative potentials, similar to that observed with other voltammetric and CPS methods. On the other hand, by means of the adsorption/desorption processes studied in phase-out AC voltammetry, we uncovered a sharp and narrow decrease of capacitive current in the potential range of the CHER peak, denominated as the tensammetric minimum. This minimum was closely related to the CHER peak, as demonstrated by similar dependences on specific conditions affecting the CHER peak such as buffer capacity and pH. A tensammetric minimum was not observed for dextran. Our results suggest specific organization of biopolymer layers at negative potentials observed only in biomacromolecules involved in CHER. PMID- 29197258 TI - Prevalence of mild cognitive impairment and its subtypes in community-dwelling residents aged 65 years or older in Guangzhou, China. AB - BACKGROUND: Prevalence of mild cognitive impairment (MCI) has been reported substantial variations, and mostly in Western countries. Less is known about MCI in the south of China. The study is to estimate the prevalence of MCI and its subtypes in residents aged 65year or older in community-dwelling residents of Guangzhou, China. METHODS: The study was a community-based, cross-sectional study conducted in rural and urban areas of Guangzhou between April and October 2009. Eight communities were randomly selected using a cluster sampling method. Each elderly was interviewed with Montreal Cognitive Assessment, the Mini-Mental state examination, Auditory Verbal Learning Test, the Clinical Dementia Rating scale et al. MCI was classified as amnestic MCI (a-MCI) or nonamnestic MCI (na-MCI). RESULTS: 2427 individuals were contacted, but in-person interviews were conducted with 2111 participants. 299 participants with MCI were identified. The prevalence of MCI, a-MCI and na-MCI was 14.2%, 12.2%, 2.0% respectively. The prevalence of MCI and a-MCI increased with age, decreased with education level, and was higher in rural areas than in urban areas. The difference of prevalence of MCI and a-MCI between women with men wasn't statistically significant(MCIchi2=1.0, OR 0.9, 95%CI=0.6-1.2; a-MCIchi2=1.0, OR 0.9, 95%CI=0.6-1.2), when controlling for education by logistic regression analysis. CONCLUSIONS: The results suggest that 14.2% of elderly individuals are affected by MCI in Guangzhou, China. And MCI was dominated by a-MCI. The prevalence of MCI and a-MCI increased with age, decreased with education level, and was higher in the rural population compared to the urban population. PMID- 29197259 TI - A high sense of coherence protects from the burden of caregiving in older spousal caregivers. AB - OBJECTIVES: Caregiving is often associated with burden and chronic stress. Sense of coherence (SOC) may help the caregivers in coping with their stress and was identified as a positive factor for health outcomes and quality of life. We aimed to study the links between SOC, burden, depression and positive affects among caregivers of frail older patients. METHODS: Seventy-nine spousal caregivers were recruited via the geriatric outpatient clinic. DATA COLLECTED: Zarit Burden Inventory, SOC-13, Geriatric Depression Scale, Caregiver Reaction Assessment (CRA), sleep, time of supervision, Katz Index, Global Deterioration Scale and Neuropsychiatric Inventory. ANALYSES: Caregiver's characteristics were analyzed by burden severity and SOC level. Multivariable logistic regressions were used in order to identify the variable that best predict caregiver burden and high SOC. RESULTS: The mean age was 79.4+/-5.3; 53% were women. Among care-recipient, 82% had cognitive impairment and the median Katz Index was 3. Caregivers with a high SOC and an older age reported a lower burden (Odds Ratio (OR) 0.18, 95% confidence interval (CI) 0.04-0.65 and OR 0.87, 95% CI 0.76-0.98, respectively). A higher burden was associated with patient functional limitations (OR 8.69, 95% CI 2.28-40.46). DISCUSSION: Having a high sense of coherence seems to be a protective factor against the burden. To support caregivers, health providers should recognize the expertise of the caregivers and the meaningfulness of this care situation. PMID- 29197261 TI - Is the Clock Drawing Test useful in the screening assessment of aged patients with chronic heart failure? AB - PURPOSE: Cognitive impairment is one of the most common geriatric deficits in old patients with heart failure (HF), but there has been a lack of study on the utility of the Clock Drawing Test (CDT) when used with this group of patients. The aim of the study was to assess the usefulness of the CDT in the geriatric assessment of aged outpatients with chronic HF. PATIENTS AND METHODS: A cross sectional analysis of the results of the comprehensive geriatric assessment (CGA), including the CDT, of 92 aged outpatients with heart failure was conducted. RESULTS: We found a high prevalence of five examined geriatric problems. The majority of the patients presented signs of cognitive deterioration of different patterns and severity on the Clock Drawing Test. All the CDT scoring systems correlated significantly with the Mini-Mental Test Examination results. CONCLUSIONS: It seems reasonable to perform the routine CGA with the CDT examination in all aged heart failure patients. PMID- 29197262 TI - Psychometric evaluation of the Environmental Reality Shock-Related Issues and Concerns instrument for newly graduated nurses. AB - BACKGROUND: Reality shock is a critical representation of the gap between nursing education and clinical practice and it is important to explore the level of reality shock among nurses. However, there is no relevant instrument to assess the level of reality shock in South Korea. OBJECTIVES: The purpose of this is to determine the validity and reliability of the Korean version of the Environmental Reality Shock-Related Issues and Concerns instrument. DESIGN: A cross-sectional study design was used in this study. SETTINGS: The data collection was conducted in selected 15 hospitals in South Korea. PARTICIPANTS: A convenience sample of 216 newly graduated nurses participated in the study. METHODS: The Korean version of the Environmental Reality Shock-Related Issues and Concerns instrument was developed through the forward-backward translation technique, and revision based on feedback from expert groups. The internal consistency reliability was assessed using Cronbach's alpha, and the construct validity was determined via exploratory and confirmatory factor analysis. RESULTS: The Korean version of the Environmental Reality Shock-Related Issues and Concerns has reliable internal consistency (Cronbach's alpha=0.91). Exploratory factor analysis revealed five factors including job, relationships, expectations, private life, and performance, which explained 61.92% of variance. The factor loadings ranged from 0.451 to 0.832. The five-factor structure was validated by confirmatory factor analysis (RMR<0.05, CFI>0.9). CONCLUSION: It was concluded that the Korean version of the Environmental Reality Shock-Related Issues and Concerns instrument has satisfactory construct validity and reliability to measure the reality shock of newly graduated nurses in South Korea. PMID- 29197260 TI - Susceptibility of dendritic cells from individuals with schistosomiasis to infection by Leishmania braziliensis. AB - Coinfection with leishmaniasis and schistosomiasis has been associated with increased time to healing of cutaneous lesions of leishmaniasis. The objective of this study was to evaluate the effect of Leishmania braziliensis infection on co cultures of monocyte-derived dendritic cells (MoDCs) with autologous lymphocytes from patients with schistosomiasis and patients with cutaneous leishmaniasis. MoDCs were differentiated from peripheral blood monocytes, isolated by magnetic beads, infected with L. braziliensis, and co-cultured with autologous lymphocytes. Expression of HLA-DR, CD1a, CD83, CD80, CD86, CD40, and the IL-10 receptor (IL-10R) on MoDCs as well as CD28, CD40L, CD25, and CTLA-4 on lymphocytes were evaluated by flow cytometry. The production of the cytokines IL 10, TNF, IL-12p40, and IFN-gamma were evaluated by sandwich ELISA of the culture supernatant. The infectivity evaluation was performed by light microscopy after concentration of cells by cytospin and Giemsa staining. It was observed that the frequency of MoDCs expressing CD83, CD80, and CD86 as well as the MFI of HLA-DR were smaller in the group of patients with schistosomiasis compared to the group of patients with leishmaniasis. On the other hand, the frequency of IL-10R on MoDCs was higher in patients with schistosomiasis than in patients with leishmaniasis. CD4+ and CD8+ T lymphocytes from patients with schistosomiasis presented a lower frequency of CD28 and a higher frequency of CTLA-4 compared to lymphocytes from patients with leishmaniasis. Levels of IL-10 were higher in the supernatants of co-cultures from individuals with schistosomiasis compared to those with leishmaniasis. However, levels of TNF, IL-12p40, and IFN-gamma were lower in the group of individuals with schistosomiasis. Regarding the frequency of MoDCs infected by L. braziliensis after 72h in culture, it was observed that higher frequencies of cells from patients with schistosomiasis were infected compared to cells from patients with leishmaniasis. It was concluded that MoDCs from patients with schistosomiasis are more likely to be infected by L. braziliensis, possibly due to a lower degree of activation and a regulatory profile. PMID- 29197263 TI - Effects of using mobile device-based academic electronic medical records for clinical practicum by undergraduate nursing students: A quasi-experimental study. AB - INTRODUCTION: The academic electronic medical record (AEMR) system is applied with the expectation that nursing students will be able to attain competence in healthcare decision-making and nursing informatics competencies. However, there is insufficient evidence regarding the advantage of applying mobile devices to clinical practicum. OBJECTIVES: This study aimed to examine the effect of an experiment that introduced a mobile AEMR application for undergraduate nursing students in their practicum. METHODS: A quasi-experimental design was used. The subjects were 75 third-year nursing students enrolled in clinical practicum and were divided into an experimental (practicum with AEMR) and a control (conventional practicum) group. Nursing informatics competencies, critical thinking disposition, and satisfaction with clinical practicum were measured before and after the clinical practicum for each group. The usability of the AEMR application was also examined for the experimental group after the experiment. RESULTS: After the experiment, the experimental group showed a significant increase in the informatics knowledge domain of nursing informatics competencies in the post-test. The difference in critical thinking between the experimental and control groups was not statistically significant. Regarding satisfaction with the clinical practicum, the experimental group exhibited a significantly higher level of satisfaction in "preparation of a diagnostic test or laboratory test and understanding of the results" and "nursing intervention and documentation" than the control group. Students who participated in the practicum using the AEMR application considered it useful. CONCLUSIONS: The AEMR application was an effective educational method for practicing the immediate documentation of students' observations and interventions and was available at the patients' bedsides. To improve critical thinking, it is necessary to apply a variety of approaches when solving clinical problems. PMID- 29197264 TI - Blended learning pedagogy designed for communication module among undergraduate nursing students: A quasi-experimental study. AB - BACKGROUND: Effective communication is important for nurse and patient outcomes. Nursing students often feel unprepared to communicate effectively with patients and other healthcare workers within the clinical environment. Blended learning pedagogy-based communication skills training can provide an alternative to traditional methods of teaching to enhance students' satisfaction and self efficacy levels in communicating with others. OBJECTIVES: To examine the effectiveness of blended learning pedagogy in a redesigned communication module among nursing undergraduates in enhancing their satisfaction levels and attitudes towards learning communication module as well as self-efficacy in communication. DESIGN: A single group pre-test and post-test quasi-experimental design was adopted. SETTINGS AND PARTICIPANTS: Data were collected from August 2016 to November 2016 from 124 nursing undergraduates from a leading nursing school. METHODS: Blended learning pedagogy was adopted to redesign a communication module that offered a wide array of learning opportunities via face-to-face classroom and online sessions. Validated and reliable instruments were used to measure satisfaction levels with blended learning pedagogy, attitudes towards learning communication, and communication self-efficacy. Descriptive and inferential statistics were used to analyze the data. RESULTS: Participants had enhanced satisfaction levels with blended learning pedagogy, better attitudes in learning communication skills, and improved communication self-efficacies at posttest (week 13 of the semester) when compared with their pre-test scores (week one of the semester). Participants scored higher in the Blended Learning Satisfaction Scale, the Communication Skills Attitude Scale, and the communication skills subscale of the Nursing Students Self-Efficacy Scale. CONCLUSIONS: Blended learning pedagogy can be effectively used in facilitating communication modules and enhancing student outcomes among nursing undergraduates. The long-term effectiveness of using blended learning pedagogy in facilitating communication modules should be evaluated from students' and patients' perspectives. Additionally, the technology should be constantly improved by incorporating more interactive functions and should be tested to accommodate the learners' needs. PMID- 29197265 TI - Nasotracheal intubation through pharyngeal flap after pharyngeal flap construction. PMID- 29197266 TI - Importance of mineral dust and anthropogenic pollutants mixing during a long lasting high PM event over East Asia. AB - A long-lasting high particulate matter (PM) concentration episode persisted over East Asia from May 24 to June 3, 2014. The Nested Air Quality Prediction Model System (NAQPMS) was used to investigate the mixing of dust and anthropogenic pollutants during this episode. Comparison of observations revealed that the NAQPMS successfully reproduced the time series PM2.5 and PM10 concentrations, as well as the nitrate and sulfate concentrations in fine (aerodynamic diameter <= 2.5 MUm) and coarse mode (2.5 MUm < aerodynamic diameter <= 10 MUm). This episode originated from two dust events that occurred in the inland desert areas of Mongolia and China, and then the long-range transported dust and anthropogenic pollutants were trapped over the downwind region of East Asia for more than one week due to the blocked north Pacific subtropical high-pressure system over the east of Japan. The model results showed that mineral dust accounted for 53-83% of PM10, and 39-67% of PM2.5 over five cities in East Asia during this episode. Sensitivity analysis indicated that the Qingdao and Seoul regions experienced dust and pollution twice, by direct transport from the dust source region and from dust detoured over the Shanghai area. The results of the NAQPMS model confirmed the importance of dust heterogeneous reactions (HRs) over East Asia. Simulated dust NO3- concentrations accounted for 75% and 84% of total NO3- in fine and coarse mode, respectively, in Fukuoka, Japan. The horizontal distribution of model results revealed that the ratio of dust NO3-/dust concentration increased from about 1% over the Chinese land mass to a maximum of 8% and 6% respectively in fine and coarse mode over the ocean to the southeast of Japan, indicating that dust NO3- was mainly formed over the Yellow Sea and the East China Sea before reaching Japan. PMID- 29197267 TI - Responses of soil nutrients and microbial communities to three restoration strategies in a karst area, southwest China. AB - Ecological restoration is widespread in the karst region, southwest China, but the impacts of different restoration strategies on soil fertility indices have rarely been compared. Here soil nutrients and microbial communities were measured 16 years after agricultural abandonment in a karst area, southwest China. Three restoration strategies were included, i.e., i) restoration with an economic tree species Toona sinensis (TS), ii) restoration with Guimu-1 hybrid elephant grass (GG), iii) restoration with a combination of Zenia insignis and Guimu-1 hybrid elephant grass (ZG). Cropland under maize-soybean rotation (CR) was used as reference. Soil organic carbon level was more than doubled in TS, and that in GG and ZG was elevated by about 50% relative to CR. Soil total nitrogen concentration in GG was not significantly different from CR, but that in TS and ZG was increased by 93% and 55% relative to CR. Similar to nitrogen, soil total phosphorus concentration in GG was not changed relative to CR, but that in TS and ZG were significantly increased. Microbial biomass carbon and nitrogen concentrations were significantly increased in TS and GG by 124% and 82%, respectively, compared to CR, but those in ZG and CR were similar. The abundance of total PLFAs (phospholipid fatty acids) was significantly increased by 55-69% following agricultural abandonment, and there was no significant difference among the three restoration strategies. The patterns of the other microbial groups and the ratio of fungal to bacterial (F:B) PLFAs were largely similar to that of total PLFAs. Soil organic carbon was identified as the primary factor affecting the abundance of soil microbial communities. Our findings suggest that the three restoration strategies, particularly TS are efficient in improving soil fertility. PMID- 29197268 TI - De novo generation of helper virus-satellite chimera RNAs results in disease attenuation and satellite sequence acquisition in a host-dependent manner. AB - Panicum mosaic virus (PMV) is a helper RNA virus for satellite RNAs (satRNAs) and a satellite virus (SPMV). Here, we describe modifications that occur at the 3' end of a satRNA of PMV, satS. Co-infections of PMV+satS result in attenuation of the disease symptoms induced by PMV alone in Brachypodium distachyon and proso millet. The 375 nt satS acquires ~100-200 nts from the 3'-end of PMV during infection and is associated with decreased abundance of the PMV RNA and capsid protein in millet. PMV-satS chimera RNAs were isolated from native infections of St. Augustinegrass and switchgrass. Phylogenetic analyses revealed that the chimeric RNAs clustered according to the host species from which they were isolated. Additionally, the chimera satRNAs acquired non-viral "linker" sequences in a host-specific manner. These results highlight the dynamic regulation of viral pathogenicity by satellites, and the selective host-dependent, sequence based pressures for driving satRNA generation and genome compositions. PMID- 29197269 TI - Anti-tumour necrosis factor-alpha antibodies and B cell homeostasis in human inflammatory bowel diseases. AB - BACKGROUND: The expression of CD70 on T cells is greatly enhanced by antigen presenting cell (APC)-associated signals, such as tumour necrosis factor(TNF) alpha, which is constitutionally high in patients with inflammatory bowel disease (IBD). Experimentally, the chronic activation of CD27 as a result of the constitutive expression of CD70 leads to the demise of B cells in bone marrow (BM) and the secondary lymphoid organs. The aim of this study was to assess the number and phenotype of circulating B cell in untreated IBD patients and their counterparts treated with biological anti-TNF drugs. METHODS: The study involved 13 untreated IBD patients, 36 IBD patients treated with biological drugs, and 10 healthy controls. The B cell phenotypes were assessed by means of flow cytometry using monoclonal antibodies specific for CD20, CD19, CD3, CD27 and CD43. In order to evaluate B cell development in bone marrow and peripheral B cell activation, we identified four B cell subsets: hematogones (HBs: CD20+19+3-27-43+), memory B cells (MBs: CD20+19+3-27+43-), pre-plasmablasts (PPBs: CD20+19+3-27+43+), and plasmablasts (PBs: CD20-19+3-27+43+). RESULTS: The total number of B cells in the untreated patients was three times lower than that in the patients treated with biological drug (p<0.001), and half that in the healthy controls (p=0.03). The between-group differences (including the healthy donors) were statistically significant in the case of HBs and MBs, but not in the case of PPBs and PBs. Only one treated patient showed a transiently large increase in PPBs. There were statistically significant differences in all of the parameters between the untreated patients and those receiving biological therapy, and in some cases between the untreated patients and healthy controls, but never between the controls and the treated patients. Four non-responders to anti-TNF therapy had a smaller number of total circulating B cells than the untreated patients. CONCLUSIONS: Anti-TNF drugs disinhibit B cell production in IBD patients, but maintain the constant homeostasis of circulating B cells. The presence of individual variations may allow the activity of anti-TNF drugs to be monitored by studying B cell subgroups. PMID- 29197270 TI - Photodynamic inactivation of bacteriophage MS2: The A-protein is the target of virus inactivation. AB - Singlet oxygen mediated oxidation has been shown to be responsible for photodynamic inactivation (PDI) of viruses in solution with photosensitisers such as 5, 10, 15, 20-tetrakis (1-methyl-4-pyridinio) porphyrin tetra p toluenesulfonate (TMPyP). The capsids of non-enveloped viruses, such as bacteriophage MS2, are possible targets for viral inactivation by singlet oxygen oxidation. Within the capsid (predominantly composed of coat protein), the A protein acts as the host recognition and attachment protein. The A-protein has two domains; an alpha-helix domain and a beta-sheet domain. The alpha-helix domain is attached to the viral RNA genome inside the capsid while the beta-sheet domain, which is on the surface of the capsid, is believed to be the site for attachment to the host bacteria pilus during infection. In this study, 4 sequence specific antibodies were raised against 4 sites on the A-protein. Changes induced by the oxidation of singlet oxygen were compared to the rate of PDI of the virus. Using these antibodies, our results suggest that the rate of PDI is relative to loss of antigenicity of two sites on the A-protein. Our data further showed that PDI caused aggregation of MS2 particles and crosslinking of MS2 coat protein. However, these inter- and intra-capsid changes did not correlate to the rate of PDI we observed in MS2. Possible modes of action are discussed as a means to gaining insight to the targets and mechanisms of PDI of viruses. PMID- 29197271 TI - Salinity-induced cellular cross-talk in carbon partitioning reveals starch-to lipid biosynthesis switching in low-starch freshwater algae. AB - Salinity stress has been verified to be a successful approach to enhance lipid production in high-starch marine algae, and salinity-induced carbon flow switching has been proposed as an algal response specific to brackish water. With the aim of testing this assumption, Chlorella sorokiniana SDEC-18, a low-starch freshwater alga, was grown in BG11 medium with NaCl addition at various concentrations (0, 2, 5, 10, 20, and 30 g/L). The results showed that salinity stress promoted carbon redistribution and starch conversion to lipid. The most desirable lipid productivity of 19.66 mg/L.d occurred in the medium with 20 g/L NaCl, about 2.16 times as high as that in the BG11 medium control. Moreover, microalgae with salinity stress were able to produce biodiesel with a more suitable cloud point, due to a decrease in the saturated fatty acid content. This therefore confirms that low-starch freshwater microalgae can also carry out salinity-induced carbon flow switching. PMID- 29197272 TI - Efficient synthesis of a (S)-fluoxetine intermediate using carbonyl reductase coupled with glucose dehydrogenase. AB - (S)-3-chloro-1-phenyl-1-propanol ((S)-CPPO) is an important chiral intermediate predominantly used in the synthesis of the chiral side chain of (S)-fluoxetine. In this study, carbonyl reductase (CBR) from Novosphingobium aromaticivorans was successfully expressed in recombinant E. coli. The enzymatic activity of the recombinant CBR was significantly increased to 1875 U/mL in the fed-batch fermentation in a 10 L fermenter and recombinant CBR was then purified and characterized. By regenerating NADH with glucose dehydrogenase, 100 g/L 3-chloro 1-phenyl-1-propanone (3-CPP) was successfully converted to (S)-CPPO with a conversion of 100% and ee value of 99.6% after 12 h at 30 degrees C in PBS buffer (pH 7.0), which are the highest reported to date for the bio-production of (S)-CPPO and presented great potential for green production of (S)-CPPO at industrial scale. PMID- 29197273 TI - Comprehensive evaluation of nitrogen removal rate and biomass, ethanol, and methane production yields by combination of four major duckweeds and three types of wastewater effluent. AB - To assess the potential of duckweeds as agents for nitrogen removal and biofuel feedstocks, Spirodela polyrhiza, Lemna minor, Lemna gibba, and Landoltia punctata were cultured in effluents of municipal wastewater, swine wastewater, or anaerobic digestion for 4 days. Total dissolved inorganic nitrogen (T-DIN) of 20 50 mg/L in effluents was effectively removed by inoculating with 0.3-1.0 g/L duckweeds. S. polyrhiza showed the highest nitrogen removal (2.0-10.8 mg T DIN/L/day) and biomass production (52.6-70.3 mg d.w./L/day) rates in all the three effluents. Ethanol and methane were produced from duckweed biomass grown in each effluent. S. polyrhiza and L. punctata biomass showed higher ethanol (0.168 0.191, 0.166-0.172 and 0.174-0.191 g-ethanol/g-biomass, respectively) and methane (340-413 and 343-408 NL CH4/kg VS, respectively) production potentials than the others, which is related to their higher carbon and starch contents and calorific values. PMID- 29197274 TI - Electronic structure of the BaO molecule with dipole moments and ro-vibrational calculations. AB - The twenty-three low-lying electronic states (singlet and triplet) of the BaO molecule have been studied by using an ab initio method. These electronic states have been investigated by using the Complete Active Apace Self-Consistent Field (CASSCF) followed by multi-reference configuration interaction (MRCI+Q) with Davidson correction. The potential energy curves, the internuclear distance Re, the harmonic frequency omegae, the rotational constant Be, the electronic energy with respect to the ground state Te and the static and transition dipole moment have been investigated. The Einstein spontaneous and induced emission coefficients A21 and B21omega as well as the spontaneous radiative lifetime tauspon, emission wavelength lambda21 and oscillator strength f21 have been calculated by using the transition dipole moment between some doublet electronic states. The calculation of the eigenvalues Ev, the rotational constant Bv, the centrifugal distortion constant Dv, and the abscissas of the turning points Rmin and Rmax have been done by using the canonical functions approach. A very good agreement is shown by comparing the values of our work to those found in the literature for many electronic states. Eighteen new electronic states have been studied here for the first time. PMID- 29197275 TI - A sensitive turn on fluorescent probe for detection of biothiols using MnO2@carbon dots nanocomposites. AB - Presently, the combination of carbon quantum dots (CQDs) and metal oxide nanostructures in one frame are being considered for the sensing of purine compounds. In this work, a combined system of CQDs and MnO2 nanostructures was used for the detection of anticancer drugs, 6-Thioguanine (6-TG) and 6 Mercaptopurine (6-MP). The CQDs were synthesized through microwave synthesizer and the MnO2 nanostructures (nanoflowers and nanosheets) were synthesized using facile hydrothermal technique. The CQDs exhibited excellent fluorescence emission at 420nm when excited at 320nm wavelength. By combining CQDs and MnO2 nanostructures, quenching of fluorescence was observed which was attributed to fluorescence resonance energy transfer (FRET) mechanism, where CQDs act as electron donor and MnO2 act as acceptor. This fluorescence quenching behaviour disappeared on the addition of 6-TG and 6-MP due to the formation of Mn-S bond. The detection limit for 6-TG (0.015MUM) and 6-MP (0.014MUM) was achieved with the linear range of concentration (0-50MUM) using both MnO2 nanoflowers and nanosheets. Moreover, the as-prepared fluorescence-sensing technique was successfully employed for the detection of bio-thiol group in enapril drug. Thus a facile, cost-effective and benign chemistry approach for biomolecule detection was designed. PMID- 29197276 TI - One-pot radiosynthesis of O-[18F]fluoromethyl-D-tyrosine via intra-molecular nucleophilic 18F-fluorination with 1,2,3-triazolium triflate salt precursor. AB - A radiolabeled amino acid O-[18F]fluoromethyl-D-tyrosine (D-[18F]FMT) has been reported to show high tumor uptake. However, introduction of [18F]fluoromethyl group was difficult and was an issue to be solved. We solved it by using a precursor containing 1,2,3-triazolium salt. D-[18F]FMT was synthesized from (R)-1 ((4-(2-((tert-butoxycarbonyl)amino)-3-((3,4-dimethylbenzyl)oxy)-3 oxopropyl)phenoxy)methyl)-3-methyl-4-phenyl-1H-1,2,3-triazol-3-ium trifluoromethanesulfonate via intra-molecular 18F-fluorination and subsequent removal of the protecting groups. The total synthesis time was 65min (including purification) and the overall radiochemical yield was 9% based on the isolated product (not decay-corrected). The resulting D-[18F]FMT was obtained with high radiochemical purity (> 99%) and specific activity (100-150 GBq/MUmol). D [18F]FMT also achieved excellent results in pharmacological evaluation such as stability test and protein binding assay. We expect that this simple one-pot labeling method would help using D-[18F]FMT more widely. PMID- 29197277 TI - Multi-metal nanomaterials obtained from oil/water interface as effective catalysts in reduction of 4-nitrophenol. AB - In this study Pt and Pd-based nanostructured thin films have been successfully fabricated by room temperature self-assembly of metal nanoparticles (NPs) at the interface between toluene and water without/with using stabilizers such as graphene oxide (GO) or aminoclay (AC). Successful formation of these thin films is investigated by transmission electron microscopy (TEM), energy dispersive analysis of X-ray (EDAX) and X-ray diffraction (XRD). Catalytic hydrogenation of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) was investigated using thin film nanocatalysts. The as synthesized nanostructured thin films exhibit high catalytic activity toward hydrogenation reaction of 4-NP. This study highlights the value of nano alloy thin films and their ability as catalyst in catalytic hydrogenation reaction. PMID- 29197278 TI - Land use and air quality in urban environments: Human health risk assessment due to inhalation of airborne particles. AB - Particle matter (PM) and its associated compounds are a serious problem for urban air quality and a threat to human health. In the present study, we assessed the intraurban variation of PM, and characterized the human health risk associated to the inhalation of particles measured on PM filters, considering different land use areas in the urban area of Cordoba city (Argentina) and different age groups. To assess the intraurban variation of PM, a biomonitoring network of T. capillaris was established in 15 sampling sites with different land use and the bioaccumulation of Co, Cu, Fe, Mn, Ni, Pb and Zn was quantified. After that, particles were collected by instrumental monitors placed at the most representative sampling sites of each land use category and an inhalation risk was calculated. A remarkable intraurban difference in the heavy metals content measured in the biomonitors was observed, in relation with the sampling site land use. The higher content was detected at industrial areas as well as in sites with intense vehicular traffic. Mean PM10 levels exceeded the standard suggested by the U.S. EPA in all land use areas, except for the downtown. Hazard Index values were below EPA's safe limit in all land use areas and in the different age groups. In contrast, the carcinogenic risk analysis showed that all urban areas exceeded the acceptable limit (1 * 10-6), while the industrial sampling sites and the elder group presented a carcinogenic risk higher that the unacceptable limit. These findings validate the use of T. capillaris to assess intraurban air quality and also show there is an important intraurban variation in human health risk associated to different land use. PMID- 29197279 TI - Trends in the consecutive days of temperature and precipitation extremes in China during 1961-2015. AB - BACKGROUND AND AIMS: Consecutive climatic extremes have more intense impacts on natural ecosystems and human activities than occasional events. There were many studies about the frequency or intensity of extreme weather events, but few focused on the consecutiveness or continuousness of climatic extremes. We analyzed the temporal and spatial distributions and tendencies in the consecutive temperature and precipitation extremes in China during 1961-2015. METHODS: Daily temperature and precipitation data at 1867 meteorological stations over China was used and four consecutive indices of climate extremes, i.e. cold spell duration indicator (CSDI), warm spell duration indicator (WSDI), consecutive dry days (CDD) and consecutive wet days (CWD), were calculated by RClimDex 1.0. Linear trends in the time series of consecutive days of temperature and precipitation extremes were examined and their statistical significance was evaluated using Mann-Kendall test. RESULTS AND DISCUSSION: There were obvious differences in the spatial distributions of consecutive days of climate extremes in China. During 1961-2015, CSDI and CWD decreased significantly at rates of 0.9 and 0.1 days per decade respectively, while WSDI increased significantly at rate of 0.8 days per decade in China. Spatially, CSDI decreased at rates of 0-3.0 days per decade in almost all parts of China, and WSDI increased at rates of 0-2.0 days per decade in most parts of China. The spatial trends of CDD and CWD were significant only in several regions of China. CSDI and WSDI had higher percent changes than those of CDD and CWD. Changes in the CSDI and WSDI were associated with large-scale oceanic and atmospheric circulation oscillations, such as Atlantic Multidecadal Oscillation (AMO), El Nino/Southern Oscillation (ENSO) and Pacific Decadal Oscillation (PDO). With global warming, there will be fewer cold extremes, more frequent hot extremes and precipitation extremes. CONCLUSIONS: Given the increases in the frequency and intensity of some consecutive climatic extremes and an increasing physical exposure and socio-economic vulnerability to such extremes in China, more strategies and capacities of mitigation and adaptation to consecutive climatic extremes are essential for the local government and climate sensitive sectors. PMID- 29197280 TI - Occurrence of cyclic imines in European commercial seafood and consumers risk assessment. AB - Cyclic imines constitute a quite recently discovered group of marine biotoxins that act on neural receptors and that bioaccumulate in seafood. They are grouped together due to the imino group functioning as their common pharmacore, responsible for acute neurotoxicity in mice. Cyclic imines (CIs) have not been linked yet to human poisoning and are not regulated in the European Union (EU), although the European Food Safety Authority (EFSA) requires more data to perform conclusive risk assessment for consumers. Several commercial samples of bivalves including raw and processed samples from eight countries (Italy, Portugal, Slovenia, Spain, Ireland, Norway, The Netherlands and Denmark) were obtained over 2 years. Emerging cyclic imine concentrations in all the samples were analysed on a LC-3200QTRAP and LC-HRMS QExactive mass spectrometer. In shellfish, two CIs, pinnatoxin G (PnTX-G) and 13-desmethylspirolide C (SPX-1) were found at low concentrations (0.1-12ug/kg PnTX-G and 26-66ug/kg SPX-1), while gymnodimines and pteriatoxins were not detected in commercial (raw and processed) samples. In summary, SPX-1 (n: 47) and PnTX-G (n: 96) were detected in 9.4% and 4.2% of the samples, respectively, at concentrations higher than the limit of quantification (LOQ), and in 7.3% and 31.2% of the samples at concentrations lower than the LOQ (25ug/kg for SPX-1 and 3ug/kg for PnTX-G), respectively. For the detected cyclic imines, the average exposure and the 95th percentile were calculated. The results obtained indicate that it is unlikely that a potential health risk exists through the seafood diet for CIs in the EU. However, further information about CIs is necessary in order to perform a conclusive risk assessment. PMID- 29197281 TI - Trends in peri-operative performance status following resection of high grade glioma and brain metastases: The impact on survival. AB - OBJECTIVES: Maximal surgical resection of high grade brain tumours is associated with improved overall survival (OS). It carries the risk of neurological deterioration leading to worsening performance status (PS), which may affect overall survival and preclude patients from adjuvant therapy. We aim to review the changes in performance status of patients undergoing resection of high grade tumours and metastases and the impact of changes on overall survival. PATIENTS AND METHODS: A prospective study of the perioperative performance status of 75 patients who underwent primary resection of malignant primary brain tumour or solitary metastasis in a single centre. Data on patients' demographics, tumour histology and overall survival were also collected. WHO performance status was recorded pre-operatively and at intervals following surgery. RESULTS: Of the 75 patients (35 males, 40 females, median age 61 years at diagnosis), 50 had primary malignant brain tumours, 25 had metastasis. Although PS dropped at postoperative day 1 in 14 patients (18.7%), 28% improved by day 5 and there was significant improvement by day 14 (41%, p=0.02). The number of patients with PS 3 or worse changed from 4% pre-operatively (n=3) to 8% (n=6). Overall survival is better in those whose PS remained improved or unchanged at 2 weeks after surgery compared to those whose PS deteriorated; high grade glioma median survival 15.67 vs. 2.4 months (p=0.005) and metastasis median survival 8.53 vs.2.33 months (p=0.001). CONCLUSION: Our data demonstrates that although PS may deteriorate immediately after surgery, the majority of patients regain their baseline PS or improve by 2 weeks postoperatively; decisions on fitness for adjuvant treatment should therefore be delayed until then. In those patients whose PS declines following surgery overall survival is poor. PMID- 29197282 TI - Biofunctionalized silicon nitride platform for sensing applications. AB - Silicon nitride (SiNx) based biosensors have the potential to converge on the technological achievements of semiconductor microfabrication and biotechnology. Development of biofunctionalized SiNx surface and its integration with other devices will allow us to integrate the biosensing capability with probe control, data acquisition and data processing. Here we use the hydrogen plasma generated by inductively coupled plasma-reactive ion etching (ICP-RIE) technique to produce amino-functionality on the surface of SiNx which can then be readily used for biomolecule immobilization. ICP-RIE produces high-density hydrogen ions/radicals at low energy, which produces high-density amino group on the SiNx surface within a short duration of time and with minimal surface damage. In this work, we have demonstrated selective amination of SiNx surface as compared to Si surface. The as-activated SiNx surface can be readily biofunctionalized with both protein and oligonucleotide through covalent immobilization. N-5-azido-2 nitrobenzoyloxysuccinimide, a photoactivable amino reactive bifunctional crosslinker, was used and greater than 90% surface coverage was achieved for protein immobilization. In addition, ssDNA immobilization and hybridization with its complemented strand was shown. Thus, we demonstrate a uniform, reliable, fast and economical technique for creating biofunctionalized SiNx surface that can be used for developing compact high-sensitivity biosensors. PMID- 29197283 TI - The dose makes the poison. AB - Some microcystins (MCs) might cause hepatotoxicity in animals and humans. MC-LR is also a tumor promoter and a suspect carcinogen. In 2010, the International Agency for Research on Cancer (IARC) classified MC-LR as a possible human carcinogen (Group 2B). Recently, an article entitled "Long-term, low-dose exposure to microcystin toxin does not increase the risk of liver tumor development or growth in mice" was published in Hepatology Research by Meaghan Labine and Gerald Y. Minuk. However, the experimental design was flawed and the conclusion is misleading. 1MUg/L MC-LR in drinking water is the provisional guideline value established by the World Health Organization (WHO) for humans in 1998, based on a tolerable daily intake (TDI) of 0.04MUg/kg body mass (BM). Assuming the mice drink 1.5mL/10g BM of water per day, the exposure dose would be 0.15MUg/kg/d BM, about 270-fold less than 40MUg/kg/d, the no-observed-adverse effect level (NOAEL). Thus, the dose of MC-LR was too small and "unlikely to result in liver tumor development or enhance existing tumor growth", even with a long-term (28weeks) exposure. Presumably, they didn't consider inter-species variations between mice and humans, including toxicokinetics and toxicodynamics. Ranges of "low-dose" MCs for animals and humans should be defined. Also, the authors misunderstood or misrepresented several previous studies. Before drawing final conclusions on the carcinogenicity of MCs, further well-designed experiments are warranted. PMID- 29197284 TI - Detection of PPCPs in marine organisms from contaminated coastal waters of the Saudi Red Sea. AB - The occurrence of PPCPs in macroalgae, barnacle and fish samples from contaminated coastal waters of the Saudi Red Sea is reported. Solvent extraction followed by solid phase extraction was applied to isolate the compounds, and their quantification was carried out by high performance liquid chromatography tandem mass spectrometry. Atenolol, ranitidine, chlorpheniramine, DEET, and atrazine were detected in one or more macroalgae at 0.05). However, when two substances were co supplemented into the medium, the maturation rate was higher in the Cys+LIF group than in the LIF+Y27362 and Cys+Y27362 groups (60.0% vs. 43.1% and 25.8%, respectively; P < 0.05). Co-supplementation of all three substances into the medium achieved the highest maturation rate (67.5%; P < 0.05). Compared with oocytes in gonadotropin basal maturation medium, those in medium supplemented with Cys showed increased fertilization (56.1% vs. 72.1%), cleavage (36.7% vs. 44.8%), and blastocyst development (1.7% vs. 4.2%), respectively (P < 0.05). Cys+LIF supplementation further improved fertilization (81.6%), cleavage (54.9%), and blastocyst development (6%; P < 0.05). Furthermore, combined supplementation of all three substances resulted in the best fertilization (84.9%), cleavage (70.7%), and blastocyst development (10.3%; P < 0.05). Resultant IVF blastocysts possessed an average cell number as high as 276 +/- 45 per embryo. This is the first study to report increased efficiency of caprine oocyte maturation by combined Cys, LIF, and Y27632 supplementation into basal maturation medium, leading to improved fertilization and embryo development in vitro post-IVF. PMID- 29197294 TI - Gestational ultrasonography and Dopplerfluxometry in capuchin monkeys (Sapajus apella) zoometric. AB - The objectives of the current study were as follows: 1) to evaluate blood flow in the uterine (UA) and umbilical (Uma) arteries in pregnant capuchin monkeys by measuring the resistive index (RI) and pulsatility index (PI); 2) to determine the presence or absence of the early diastolic notch and diastolic flow in the UA and Uma flow waveforms, respectively; 3) to perform conceptus echobiometry for fetal growth assessment during pregnancy; 4) to describe the moment that the fetal organs were initially observed; and 5) to determine when the diagnosis of fetal gender is possible. Seven healthy, sexually mature female Sapajus apella were examined in Weeks -20 to -1 before whelping (whelping Week 0). Triplex Doppler was used to assess the blood flow and fetal heart rate, and B-mode ultrasonography was used to assess the fetal organs and conceptus measurements, including the gestational sac latero-lateral longitudinal (LLL) and latero lateral transversal (LLT), the crown rump length (CRL), biparietal diameter (BPD), occipito-frontal diameter (OFD), head circumference (HC), abdominal circumference (AC), femur length (FL) and fetal organ. All the pregnancies ended with a normal whelping and the birth of a live newborn. Prior to whelping, all conceptus dimensions increased significantly, whereas the RI and PI of both the UA and Uma decreased significantly. For the UA, the RI and PI were (mean +/- SEM) 0.835 +/- 0.017 and 2.157 +/- 0.129, 0.808 +/- 0.008 and 1.920 +/- 0.041, and 0.761 +/- 0.006 and 1.759 +/- 0.036 on periods -3, -2 and -1, respectively. For the Uma, the RI and PI were 0.97 +/- 0.01 and 2.50 +/- 0.02 at Week -17 and were 0.64 +/- 0.02 and 0.98 +/- 0.04 at Week -1, respectively. The complete disappearance of the early diastolic notch in the UA, and the complete appearance of diastolic flow in the Uma occurred on Week -1 and Week -11, respectively. Linear regression analyses regarding the relationship of the weeks before whelping (WBW) with the conceptus parameters were as follows: CRL = 16.93 + 0.93 WBW and FL = 3.62 + 0.22 WBW (R2 = 0.98, P < 0.0001); AC = 13.46 + 0.67 WBW (R2 = 0.96, P < 0.0001); BPD = 4.46 + 0.20 WBW (R2 = 0.95, P < 0.0001); LLL = 11.46 + 0.45 WBW, LLT = 9.52 + 0.38 WBW and HC = 16.68 + 0.80 WBW (R2 = 0.92, P < 0.0001); Uma RI = 0.64-0.02 WBW and PI = 0.79-0.11 WBW (R2 = 0.90, P < 0.0001); and OFD = 5.84 + 0.27 WBW (R2 = 0.86, P < 0.0001). The authors concluded that for fetal echobiometry UA and Uma perfusion were important endpoints to assess fetal vitality in the capuchin monkey. Moreover, it was possible to describe the moment when the organs were visualized and perform sexing. PMID- 29197295 TI - Reproductive aging in male dogs: The epididymal sperm defects and expression of androgen receptor in reproductive tissues. AB - The present study aimed at investigating age-related changes in epididymal sperm motility, morphology, DNA integrity and androgen receptor (AR) expression in canine reproductive tissues. Fifty-five healthy medium-sized male dogs were divided into four groups: young (1 - 3 years old, n = 14), adult (>3 - 6 years old, n = 12), old (>6 - 9 years old, n = 14) and senile (>9 years old, n = 15). After routine castration, testes, epididymides (head, body and tail) and vas deferens were collected. Spermatozoa were flushed from epididymal tails and their motility, morphology and DNA integrity were examined. Localization of AR was investigated by immunohistochemistry and the positive immunostaining cells were evaluated using image analysis software (NuclearQuant, 3DHISTECH). We found significantly lower percentages of epididymal sperm motility, sperm vigour and viability in adult, old and senile dogs in comparison with young dogs (p < 0.05). Animal's age negatively correlated with epididymal sperm motility, sperm vigour and viability. The primary, secondary, major and minor epididymal sperm defects were significantly higher in senile dogs compared to young dogs. There were positive correlations between age and epididymal sperm defects (p < 0.01). The percentage of sperm with fragmented DNA did not differ between age groups. Testicular AR was expressed in the nucleus of Sertoli cells, Leydig cells and peritubular myoid cells, except for germ cells. Expression of AR was found in all epithelium, lamina propria and smooth muscle cells of the epididymis and vas deferens. Expression levels of AR in testis, epididymis and vas deferens did not differ between age groups (p > 0.05). In conclusion, the present study clearly demonstrated that senescence in dogs was associated with decreased epididymal sperm quality. An age-related increase in the incidence of poor epididymal sperm quality may promote subfertility, especially in senile dogs. PMID- 29197296 TI - Genetic analysis of age at first calving, accumulated productivity, stayability and mature weight of Nellore females. AB - The female reproductive performance, productivity and size are strongly associated with production efficiency of herds raised in a tropical environment. The age at first calving (AFC), accumulated productivity (AP), stayability (STAY) and mature weight (MW) could be used as indicators of these traits. In this study, the genetic parameters and correlations between AFC, AP, STAY and MW measured in Nellore females were estimated, in order to provide support for the beef cattle evaluation programs. In addition, the genetic changes for these traits were obtained. The (co)variance components were estimated by Gibbs sampling by four-trait multivariate analysis, using a threshold animal model for STAY and linear animal model for the other traits (AFC, AP and MW). Heritability of AFC, AP and STAY showed low values, with posterior means of 0.13 +/- 0.02, 0.14 +/- 0.01 and 0.19 +/- 0.03, respectively. On the other hand, for MW were estimated mean heritability of 0.44 +/- 0.03 and repeatability of 0.77 +/- 0.03, demonstrating the importance of genetic and permanent environmental effects for the expression of beef cows' size. The AFC showed null genetic correlation with AP (-0.06 +/- 0.12) and MW (0.01 +/- 0.09) and low and negative with STAY (-0.15 +/- 0.11). The AP showed high genetic correlation with STAY (0.86 +/- 0.03) and weak with MW (0.23 +/- 0.09). Positive and moderate genetic association was estimated between STAY and MW (0.66 +/- 0.05). Annual direct genetic trends of 0.19 kg, 0.30 units and 0.10 kg were estimated for AP, STAY and MW, respectively, and were significant (P < 0.05) for STAY and MW. For AFC, negative and favorable annual genetic change was estimated (-0.08 months, P < 0.05). In this population, the selection of heifers for an early reproductive age should have little influence, however favorable, in the time that the cows remain in the herd. The use of AP as a selection criterion should result in smaller changes in the females' mature weight when compared to selection based on STAY. PMID- 29197297 TI - Use of chemometrics to compare NIR and HPLC for the simultaneous determination of drug levels in fixed-dose combination tablets employed in tuberculosis treatment. AB - The World Health Organization recommends that TB treatment be administered using combination therapy. The methodologies for quantifying simultaneously associated drugs are highly complex, being costly, extremely time consuming and producing chemical residues harmful to the environment. The need to seek alternative techniques that minimize these drawbacks is widely discussed in the pharmaceutical industry. Therefore, the objective of this study was to develop and validate a multivariate calibration model in association with the near infrared spectroscopy technique (NIR) for the simultaneous determination of rifampicin, isoniazid, pyrazinamide and ethambutol. These models allow the quality control of these medicines to be optimized using simple, fast, low-cost techniques that produce no chemical waste. In the NIR - PLS method, spectra readings were acquired in the 10,000-4000cm-1 range using an infrared spectrophotometer (IRPrestige - 21 - Shimadzu) with a resolution of 4cm-1, 20 sweeps, under controlled temperature and humidity. For construction of the model, the central composite experimental design was employed on the program Statistica 13 (StatSoft Inc.). All spectra were treated by computational tools for multivariate analysis using partial least squares regression (PLS) on the software program Pirouette 3.11 (Infometrix, Inc.). Variable selections were performed by the QSAR modeling program. The models developed by NIR in association with multivariate analysis provided good prediction of the APIs for the external samples and were therefore validated. For the tablets, however, the slightly different quantitative compositions of excipients compared to the mixtures prepared for building the models led to results that were not statistically similar, despite having prediction errors considered acceptable in the literature. PMID- 29197298 TI - Pharmacokinetics and tissue distribution study of 10-methoxycamptothecin in rats following intragastric administration. AB - Natural bioactive derivatives of camptothecin (CPT), 10-methoxycamptothecin (MCPT) and 10-hydroxycamptothecin (HCPT) have been confirmed to possess high antitumor activities. MCPT could be metabolized to HCPT in vivo. The HPLC method for the quantification of MCPT and HCPT was established and validated, and the pharmacokinetics and the tissue distribution of MCPT in rats after i.v. administration have been well carried out in our previous studies. To improve the further understanding of the in vivo behavior of MCPT, a rapid and sensitive UPLC MS/MS method was developed and validated for the quantification of MCPT and HCPT in plasma and tissue samples, and the pharmacokinetics and tissue distribution as well as the bioavailability of MCPT after i.g. were also illustrated. The results showed that MCPT could be highly converted to its active metabolite HCPT in plasma with the AUC0-infinity value of (185.28+/-61.73) ngh/mL and (717.25+/ 165.67) ngh/mL for MCPT and HCPT, respectively. Meanwhile, MCPT and HCPT were rapidly absorbed and diffused into all the tested tissues (heart, liver, spleen, lung, kidney and brain) after i.g. administration. Similar with the results after i.v. administration of MCPT, MCPT concentration in lung tissue was also extremely higher than in other tested tissues, which implied that MCPT might have a great potential for the treatment of lung cancer. PMID- 29197299 TI - Isotope-dilution gas chromatography-mass spectrometry coupled with injection-port butylation for the determination of 4-t-octylphenol, 4-nonylphenols and bisphenol A in human urine. AB - An analytical method that utilizes isotope-dilution gas chromatography-mass spectrometry (ID-GC-MS) coupled with injection-port butylation was developed. The method was validated, and confirmed to be able to determine the presence of three commonly detected endocrine-disrupting chemicals (EDCs: 4-tert-octylphenol (4-t OP), 4-nonylphenols (4-NPs) and bisphenol A (BPA)) in human urine with high precision and accuracy. After sample preparation by solid-phase extraction, the extract was introduced into GC-MS via injection-port butylation. The butylated target analytes were identified and quantified by using ion-trap mass spectrometry operating in the selected-ion-storage mode, and employing the measurement of peak area ratios of the butylated target analytes and labeled analogues in the samples and calibration standards. The labeled-analogues were also used to correct the variations associated with the analysis and matrix effect. The limits of quantitation (LOQs) ranged from 0.1 to 0.3ng/mL. High precisions for both intra- and inter-day analysis ranged from 1 to 6%, and excellent accuracy (mean recovery) ranged from 92 to 105% on two concentration levels. In human urine, the total concentrations of three selected EDCs varied from 1.28 to 7.14ng/mL. 4-NPs were detected within all collected samples. The developed method allows accurate analysis of trace-level of EDCs in urine, and these target EDCs could act as useful biomarkers to assess exposure in biomonitoring studies and programs. PMID- 29197300 TI - GC-MS method for determination and pharmacokinetic study of seven volatile constituents in rat plasma after oral administration of the essential oil of Rhizoma Curcumae. AB - Rhizoma Curcumae (RC) is perennial herbaceous plant mainly present in China, India and Malaysiabelong, which is belong to the family Zingiberaceae. The rhizomes of RC have been used as a famous traditional Chinese medicine for the treatment of syndrome of blood stasis. A selective, sensitive and accurate gas chromatography-mass spectroscopy (GC-MS) method was developed and validated in this paper for the simultaneous determination and pharmacokinetic study of alpha Pinene, 1,8-Cineole, Borneol, beta-Elemene, Curcumol, Germacrone, and Curdione in rat plasma. The GC-MS system was operated under selected ion monitoring (SIM) mode using a DB-5 (30m*0.25mm (ID)*0.25MUm (film thickness)) column. Linearity, intra-day and inter-day precisions, accuracy, extraction recovery and stability were used to validate the current GC/MS assay. The lowest limit of quantifications (LLOQ) of alpha-Pinene, 1,8-Cineole, Borneol, beta-Elemene, Curcumol, Germacrone, Curdione were 2.71ng/mL, 7.76ng/mL, 3.37ng/mL, 21.68ng/mL, 40.21ng/mL, 24.84ng/mL and 47.78ng/mL respectively. After oral administration 1.0g/kg of RC rhizomes to the rats, the maximum plasma concentration (Cmax) was 34.72+/-9.97ng/mL for alpha-Pinene, 99.86+/-5.54ng/mL for 1,8-Cineole, 16.10+/ 3.37ng/mL for Borneol, 248.98+/-86.19ng/mL for beta-Elemene, 673.75+/-104.15ng/mL for Curcumol, 2353.64+/-637.83ng/mL for Germacrone and 2420.04+/-708.51ng/mL for Curdione. The time to reach the maximum plasma concentration (Tmax) was 2.33+/ 0.29h for alpha-Pinene, 0.67+/-0.29h for 1,8-Cineole, 1.33+/-0.58h for Borneol, 1.83+/-0.76h for beta-Elemene, 0.83+/-0.29h for Curcumol, 0.89+/-0.98h for Germacrone and 1.17+/-0.76h for Curdione. In this study, a validated GC-MS method for simultaneous determination of seven volatile oil compounds in rat plasma after oral administration of the extract of RC rhizomes and research on their pharmacokinetics was validated. The recovery and stability results were satisfactory in this study. PMID- 29197301 TI - Dispensing-based bioprinting of mechanically-functional hybrid scaffolds with vessel-like channels for tissue engineering applications - A brief review. AB - Over the past decades, significant progress has been achieved in the field of tissue engineering (TE) to restore/repair damaged tissues or organs and, in this regard, scaffolds made from biomaterials have played a critical role. Notably, recent advances in biomaterials and three-dimensional (3D) printing have enabled the manipulation of two or more biomaterials of distinct, yet complementary, mechanical and/or biological properties to form so-called hybrid scaffolds mimicking native tissues. Among various biomaterials, hydrogels synthesized to incorporate living cells and/or biological molecules have dominated due to their hydrated tissue-like environment. Moreover, dispensing-based bioprinting has evolved to the point that it can now be used to create hybrid scaffolds with complex structures. However, the complexities associated with multi-material bioprinting and synthesis of hydrogels used for hybrid scaffolds pose many challenges for their fabrication. This paper presents a brief review of dispensing-based bioprinting of hybrid scaffolds for TE applications. The focus is on the design and fabrication of hybrid scaffolds, including imaging techniques, potential biomaterials, physical architecture, mechanical properties, cell viability, and the importance of vessel-like channels. The key issues and challenges for dispensing-based bioprinting of hybrid scaffolds are also identified and discussed along with recommendations for future research directions. Addressing these issues will significantly enhance the design and fabrication of hybrid scaffolds to and pave the way for translating them into clinical applications. PMID- 29197302 TI - The effect of impact duration on the axial fracture tolerance of the isolated tibia during automotive and military impacts. AB - Axial impacts to the lower leg during debilitating events such as frontal automotive collisions and military underbody blasts can cause significant injuries to the tibia. Several studies have conducted axial impact tests to determine the injury limits of the lower leg, mostly focused on automotive intrusions, resulting in an established force criterion for injury assessments. Due to the viscoelastic properties of bone, it remains unclear whether results from automotive experiments can be applied to higher-rate military blasts. Twelve male isolated cadaveric tibias (from six pairs, mean age: 62 +/- 8 years) were subjected to axial impact loads using a custom-built pneumatic impactor, with one specimen from each pair tested at velocity and impact durations representative of a military blast condition, and the contralateral under conditions representing an automotive collision. Impacts were applied in increasing levels of intensity (defined using energy levels) until fracture occurred. Fracture risk was influenced by projectile velocity, kinetic energy, impulse, and load rate, and there was a significant difference in peak force (p = 0.023), impulse (p = 0.09), and load rate (p = 0.025) between the automotive and military test conditions causing fracture. A 10% risk of fracture corresponded to an impact force of 9.0kN for the automotive condition and 12.2kN for the military condition. These results suggest that fracture tolerances developed in studies that simulate automotive impacts cannot be directly applied to military impacts of shorter duration. The number of factors identified to predict injury also suggests that fracture is not controlled by a single variable. PMID- 29197303 TI - Identification and structural elucidation of a new sildenafil analogue, dithiopropylcarbodenafil, from a premixed powder intended as a dietary supplement. AB - A new sildenafil analogue was detected during the monitoring of a premixed powder intended as a dietary supplement. The ultraviolet (UV) spectrum of the unknown compound was similar to that of dithiodesmethylcarbodenafil and dithiodesethylcarbodenafil, although their corresponding HPLC peaks were observed at different retention times. The chemical structure of the unknown compound was characterized by liquid chromatography-quadrupole-time-of-flight mass spectrometry (LC-Q-TOF/MS), followed by nuclear magnetic resonance (NMR) and infrared (IR) spectroscopy. The comparison of its structure with that of dithiodesmethylcarbodenafil, revealed that the N-methyl group on the piperazine ring is replaced by a propyl group. This new sildenafil analogue was identified as 5-(2-ethoxy-5-(4-propylpiperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl 1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidine-7-thione and designated as a dithiopropylcarbodenafil. To the best of our knowledge, this is the first study reporting the identification and characterization of dithiopropylcarbodenafil. PMID- 29197304 TI - Determining the end of a musical turn: Effects of tonal cues. AB - Successful duetting requires that musicians coordinate their performance with their partners. In the case of turn-taking in improvised performance they need to be able to predict their partner's turn-end in order to accurately time their own entries. Here we investigate the cues used for accurate turn-end prediction in musical improvisations, focusing on the role of tonal structure. In a response time task, participants more accurately determined the endings of (tonal) jazz than (non-tonal) free improvisation turns. Moreover, for the jazz improvisations, removing low frequency information (<2100Hz) - and hence obscuring the pitch relationships conveying tonality - reduced response accuracy, but removing high frequency information (>2100Hz) had no effect. Neither form of filtering affected response accuracy in the free improvisation condition. We therefore argue that tonal cues aided prediction accuracy for the jazz improvisations compared to the free improvisations. We compare our results with those from related speech research (De Ruiter et al., 2006), to draw comparisons between the structural function of tonality and linguistic syntax. PMID- 29197305 TI - Internal Medicine Hospitalists' Perceived Barriers and Recommendations for Optimizing Secondary Prevention of Osteoporotic Hip Fractures. AB - OBJECTIVES: Osteoporosis is a major public health concern affecting an estimated 10 million people in the United States. To the best of our knowledge, no qualitative study has explored barriers perceived by medicine hospitalists to secondary prevention of osteoporotic hip fractures. We aimed to describe these perceived barriers and recommendations regarding how to optimize secondary prevention of osteoporotic hip fracture. METHODS: In-depth, semistructured interviews were performed with 15 internal medicine hospitalists in a tertiary care referral medical center. The interviews were analyzed with directed content analysis. RESULTS: Internal medicine hospitalists consider secondary osteoporotic hip fracture prevention as the responsibility of outpatient physicians. Identified barriers were stratified based on themes including physicians' perception, patients' characteristics, risks and benefits of osteoporosis treatment, healthcare delivery system, and patient care transition from the inpatient to the outpatient setting. Some of the recommendations include building an integrated system that involves a multidisciplinary team such as the fracture liaison service, initiating a change to the hospital policy to facilitate inpatient care and management of osteoporosis, and creating a smooth patient care transition to the outpatient setting. CONCLUSIONS: Our study highlighted how internal medicine hospitalists perceive their role in the secondary prevention of osteoporotic hip fractures and what they perceive as barriers to initiating preventive measures in the hospital. Inconsistency in patient care transition and the fragmented nature of the existing healthcare system were identified as major barriers. A fracture liaison service could remove some of these barriers. PMID- 29197306 TI - Commentary on "Internal Medicine Hospitalists' Perceived Barriers and Recommendations for Optimizing Secondary Prevention of Osteoporotic Hip Fractures". PMID- 29197307 TI - Reducing the Time Spent Writing Notes Could Help Solve the Physician Shortage. PMID- 29197308 TI - Dramatic Reduction in 30-Day Readmissions Through High-Risk Screening and Two Phase Interdisciplinary Care. AB - OBJECTIVES: Thirty-day readmissions are common, serious, and costly. Most important, often they are preventable. The purpose of this quality improvement study was to evaluate an interdisciplinary, two-phase intervention to reduce 30 day readmissions among high-risk medical patients. One or two high-risk patients were selected each weekday by a hospitalist using literature-based, locally tested criteria that included common medical illnesses, active psychiatric illness, and recent or recurrent hospital admissions. METHODS: Patients admitted to 1 of 5 medical hospitalist teams were selected to receive the intervention; patients admitted to the 4 remaining teams were used for comparison. The two phase care coordination intervention consisted of a daily interdisciplinary team meeting for the selected high-risk patients and postdischarge interventions that included outpatient care coordination until the patients' first follow-up appointment. The care plan addressed medical/geriatric assessment, social stability, medication reconciliation, nutritional needs, care coordination including future appointments/testing, and community services. Eighty-five patients in the intervention group were compared with 84 patients from the comparison group using propensity score matching. Patient characteristics were similar at baseline. RESULTS: The intervention group demonstrated a reduction in 30-day readmissions by 52% (11 vs 23, P = 0.019). Length of stay was reduced: 5.5 days compared with 7.2 days (P = 0.258). CONCLUSIONS: This intervention produced a significant reduction in 30-day readmissions for high-risk patients and a trend for shorter lengths of stay compared with similarly matched patients. Future research trials are needed to verify these results. PMID- 29197309 TI - Objective Structured Clinical Examination-Based Teaching of the Musculoskeletal Examination. AB - OBJECTIVES: Musculoskeletal complaints are the most common presenting illnesses in primary care settings, yet physicians often are underprepared to manage such complaints. We sought to create and evaluate an objective structured clinical examination (OSCE)-based musculoskeletal workshop designed to simultaneously educate medical students and internal medicine residents, enlisting volunteer medical students as standardized patients (SPs). METHODS: The setting for the study was the Yale Primary Care Residency Program. A comprehensive OSCE-based musculoskeletal workshop series was created, consisting of standalone workshops with evidence-based interactive lectures followed by OSCE stations. At each station, residents are evaluated on physical examination skills, differential diagnosis, and therapeutic plan. We assessed the impact of exposure to the neck/back pain workshop using written knowledge and clinical skills tests (maximum score 32) among both residents and medical students 6 months after exposure. RESULTS: A convenience sample of 13 residents exposed to the neck/back pain workshop was compared with 17 unexposed residents. Six months after exposure to the workshop, exposed residents, compared with unexposed residents, performed significantly better on a written knowledge test (score 8.6 vs 6.8, P = 0.005) and the clinical skills test (score 20.9 vs 17.1, P = 0.007). Similarly, medical student SPs performed significantly better on the clinical skills test (17.0 vs 12.0, P = 0.02), compared with the control students. CONCLUSIONS: Our novel OSCE based musculoskeletal workshop, which enlists medical students to serve as SPs, engendered sustainable improvements in knowledge and clinical skills among both residents and participating students, thereby offering an innovative approach to simultaneously meeting both undergraduate and graduate medical education needs. PMID- 29197310 TI - Defining Medical Student Patient Care Responsibilities Before Intern Year: Results of a National Survey. AB - OBJECTIVES: Program directors have noted that first-year residents struggle with many of the patient care responsibilities they assume as they enter the US graduate medical education system. A national description of medical students' patient care experience in advance of graduation has not been published. We sought to describe the experience of US medical students during their clinical training by surveying the student representatives of each school. METHODS: We developed a mixed-methods survey that was delivered to representatives of 82 schools via an e-mail link to an online survey. RESULTS: Our response rate was 54% (44/82). Of those responding, 28% reported that students do not write any patient care orders at their institution and 34% reported not receiving pages related to patient care. Only 26% of institutions provide an increased patient load to students during their final year of training. Students identified many areas to improve the role of fourth-year medical students, including writing patient care orders, answering pages, increasing autonomy, defining their role better, and providing them with a longer subinternship experience. CONCLUSIONS: Our survey suggests that students are graduating from the undergraduate medical education system and moving to the graduate medical education system in the United States without a guarantee of having answered a page related to patient care or having placed a patient care order. Further studies of students' experiences should be conducted to explore whether exposure to these skills improves first-year resident performance. PMID- 29197311 TI - Radiologists' Recommendations for Additional Imaging on Inpatient CT Studies: Do Referring Physicians Follow Them? AB - OBJECTIVES: Studies have found that recommendations for additional imaging (RAI) accompany up to 31% of index computed tomography (CT) scans. In this study we assessed the frequency with which recommendations are accepted by the referring physician and the impact of AI on case management. METHODS: We performed a cross sectional study of all index CT scans of the chest, abdomen, and pelvis performed on adult inpatients during a 1-month period at a tertiary medical center. Each radiology report was examined for mention of RAI. We used a standardized abstraction tool to review medical records for the indication for the RAI (related to original diagnosis vs incidental finding), the clinician's rationale for pursuing or discarding the RAI, and the impact of the AI on the inpatient treatment plan. RESULTS: Among the 430 scans reviewed, most (57.7%) were of the abdomen/pelvis. RAI was recommended in 67 cases (odds ratio [OR] 15.6%; 95% confidence interval [CI] 12.4-19.3) and AI was completed in 24 of 67 cases (35.8%). Factors associated with a recommendation for AI were the presence of an incidental finding (OR 3.5, 95% CI 1.7-6.8) and verbal communication of the result to the ordering provider (OR 2.09, 95% CI 1.23-3.5). When performed, AI altered the treatment plan 75% (18/24) of the time. Among the 43 cases in which AI was not performed, 34.1% were deferred to outpatient, 13.6% underwent alternative clinical intervention, and 13.6% were judged unnecessary by the primary team. No rationale was documented in the chart for the remaining 38.6%. CONCLUSIONS: Despite concerns about autoreferral by radiologists for AI studies, we found a lower rate than in many prior studies, which may reflect a change in clinical practice. One-third of these recommendations were implemented and verbal communication was strongly associated with the likelihood of second image ordering. In the majority of the cases, the AI affected patient management. Based on these findings, radiologists should consider calling the ordering provider to increase the likelihood that the primary team will follow their recommendations. PMID- 29197312 TI - Development of Multiple Primary Cancers in Lung Cancer Patients: Appalachian Versus Non-Appalachian Populations of Kentucky. AB - OBJECTIVES: The aim of this study was to investigate whether patients with lung cancer in Appalachian Kentucky are more likely to develop multiple primary cancers than patients in non-Appalachian Kentucky. Additional analyses were conducted to identify other factors that may be associated with an increased hazard of developing multiple primary cancers in patients with lung cancer. METHODS: The data for this retrospective, population-based cohort study of 26,456 primary lung cancer patients were drawn from the Kentucky Cancer Registry. For inclusion in the study, patients must have been diagnosed between January 1, 2000 and December 31, 2013 and they must either have continually resided in Appalachian Kentucky or continually resided in non-Appalachian Kentucky. Cases were excluded if the patient was diagnosed as having additional primary cancers within 3 months of the initial diagnosis of primary lung cancer. The medical records for each case were examined to determine whether the patient was subsequently diagnosed as having additional primary cancers. The Cox proportional hazards model was then used to assess whether there was an association between the region in which the patients live and the likelihood of developing multiple primary cancers. Time to event was considered as the time from diagnosis to either death or development of a second primary cancer. RESULTS: The results presented here indicate that the risk of developing multiple primary cancers is the same for patients with lung cancer throughout Kentucky (hazard ratio [HR] 1.002, P = 0.9713). We found no evidence for a greater hazard in patients from Appalachia; however, additional analyses revealed several high-risk groups. Male patients and older patients had a significantly greater hazard of developing multiple primary cancers (HR 1.169, P = 0.012 and 1.015, P = 0.0001, respectively). In addition, patients who underwent surgery and those who were diagnosed initially as having an earlier stage of cancer also were more likely to develop multiple primary cancers (HR 1.446, P = 0.0003 and 0.684, P = 0.0015, respectively). CONCLUSIONS: This is a negative study. Patients with primary lung cancer living in Appalachian Kentucky are not at a greater risk of developing multiple primary cancers than those residing in non-Appalachian Kentucky. High risk groups identified in this study are male patients and older patients. The increased hazard seen in patients who underwent surgery or those who were diagnosed as having earlier stages of lung cancer are likely an artifact of these patients living longer and, therefore, having more time to develop additional primary cancers. PMID- 29197313 TI - Variation in Use of Prophylactic Antibiotics in Gynecologic Procedures Before and After an Educational Intervention. AB - OBJECTIVES: Guidelines for use of prophylactic antibiotics in gynecologic procedures are outlined by the American Congress of Obstetricians and Gynecologists. There remains, however, a high rate of unindicated administration of antibiotics for surgeries. A retrospective study performed at our institution in 2012-2013 demonstrated that unindicated prophylactic antibiotics were administered over half the time. This study aimed to examine variations in the use of prophylactic antibiotics in patients undergoing gynecologic surgery at Scott and White Memorial Hospital and determine whether an educational intervention to gynecology physicians was associated with a significant decrease in unindicated prophylactic antibiotics. METHODS: A retrospective chart review was performed for all women undergoing gynecologic surgery at Scott and White Memorial Hospital in Temple, Texas for 1 year. An educational intervention regarding prophylactic antibiotic usage was held for obstetricians and gynecologists in the middle of that year. Subjects were included if they had procedures with a Current Procedural Terminology code corresponding to a procedure that does not require prophylactic antibiotics. Subjects were excluded if they had concurrent procedures for which antibiotics are recommended. RESULTS: A total of 500 subjects met inclusion and exclusion criteria, with 243 before the educational intervention and 257 after the intervention. In our study, a significant decrease (P < 0.0001) in unindicated prophylactic antibiotic use was demonstrated: from 45.7% (111/243) preintervention to 24.9% (64/257) postintervention. Before the educational intervention, both the gynecology oncology and reproductive endocrinology and infertility divisions had the highest rates of unindicated antibiotic use-91.7% (44/48) and 91.7% (33/36), respectively. The generalist and urogynecology divisions had the lowest rates for specialists before the intervention: 20.6% (30/146) and 30.8% (4/13), respectively. After the intervention, all of the divisions demonstrated an improvement in their rates of unindicated prophylactic antibiotic use. The urogynecology division demonstrated an improvement that can be considered clinically significant while not meeting statistical significance. The adverse event rates were not different between subjects who received preoperative prophylactic antibiotics (2.9%) and subjects who did not (2.8%). CONCLUSIONS: A simple educational intervention was associated with a significant decrease in unindicated prophylactic antibiotics in gynecologic procedures. PMID- 29197315 TI - Commentary on "Improving Postoperative Efficiency: An Algorithm for Expedited Void Trials After Urogynecologic Surgery". PMID- 29197314 TI - Improving Postoperative Efficiency: An Algorithm for Expedited Void Trials After Urogynecologic Surgery. AB - OBJECTIVES: To evaluate the relation between voided volume and void trial "success" to create an algorithm that minimizes the need for postvoid residual volume (PVR) assessment in backfill-assisted void trials. METHODS: This article is an ancillary analysis of deidentified data from a randomized trial evaluating prophylactic antibiotics after urogynecologic surgery. Void trials were routinely performed after surgery; voided volumes, PVR, and void trial outcomes were collected. The void trial regimen was as follows: the bladder was backfilled with 300 mL of normal saline or until the patient reported the urgency to void, the catheter was removed, and the participant was prompted to void immediately. PVR volume was measured either by sonographic bladder scan or catheterization. Voided volumes were categorized in 25-mL increments from 50 to 225 mL. For each voided volume range, the PVR and void trial outcome data were incorporated to calculate sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) in terms of ability of voided volume alone to predict a passing void trial result. An algorithm was created using the voided volumes that optimize PPV and NPV. RESULTS: The study population included 255 participants. Voided volumes <100 mL and >=200 mL were identified as optimal thresholds to predict failure and passage of backfill-assisted void trials, respectively. When patients voided <100 mL, 3% passed their void trial (NPV odds ratio 96.7, 95% confidence interval 88.6-99.5). When patients voided >=200 mL, 97% passed (PPV odds ratio 97.4, 95% confidence interval 93.5-99.3). CONCLUSIONS: We propose an algorithm for void trials after urogynecologic surgery. After backfilling the bladder if voided volume is >=200 mL, the void trial is successful and no PVR is needed; if voided volume is between 100 and 199 mL, the void trial is indeterminate and PVR is recommended; and if voided volume is <100 mL, the void trial is unsuccessful and catheterization is needed. Applying this algorithm to our study population would have eliminated the need for PVR in 85% of patients. Calculated PPVs and NPVs depend on the prevalence of voiding dysfunction in the population being studied, and therefore may be unique to our institution. PMID- 29197316 TI - Developing a Mass Casualty Surge Capacity Protocol for Emergency Medical Services to Use for Patient Distribution. AB - OBJECTIVES: Metropolitan areas must be prepared to manage large numbers of casualties related to a major incident. Most US cities do not have adequate trauma center capacity to manage large-scale mass casualty incidents (MCIs). Creating surge capacity requires the distribution of casualties to hospitals that are not designated as trauma centers. Our objectives were to extrapolate MCI response research into operational objectives for MCI distribution plan development; formulate a patient distribution model based on research, hospital capacities, and resource availability; and design and disseminate a casualty distribution tool for use by emergency medical services (EMS) personnel to distribute patients to the appropriate level of care. METHODS: Working with hospitals within the region, we refined emergency department surge capacity for MCIs and developed a prepopulated tool for EMS providers to use to distribute higher-acuity casualties to trauma centers and lower-acuity casualties to nontrauma hospitals. A mechanism to remove a hospital from the list of available resources, if it is overwhelmed with patients who self-transport to the location, also was put into place. RESULTS: The number of critically injured survivors from an MCI has proven to be consistent, averaging 7% to 10%. Moving critically injured patients to level 1 trauma centers can result in a 25% reduction in mortality, when compared with care at nontrauma hospitals. US cities face major gaps in the surge capacity needed to manage an MCI. Sixty percent of "walking wounded" casualties self-transport to the closest hospital(s) to the incident. CONCLUSIONS: Directing critically ill patients to designated trauma centers has the potential to reduce mortality associated with the event. When applied to MCI responses, damage-control principles reduce resource utilization and optimize surge capacity. A universal system for mass casualty triage was identified and incorporated into the region's EMS. Flagship regional coordinating hospitals were designated to coordinate the logistics of the disaster response of both trauma designated and undesignated hospitals. Finally, a distribution tool was created to direct the flow of critically injured patients to trauma centers and redirect patients with lesser injuries to centers without trauma designation. The tool was distributed to local EMS personnel and validated in a series of tabletop and functional drills. These efforts demonstrate that a regional response to MCIs can be implemented in metropolitan areas under-resourced for trauma care. PMID- 29197317 TI - Cross-Sectional Study of the Relation of Health Literacy to Primary Language and Emergency Department Length of Stay. AB - OBJECTIVES: The primary aim of this study was to determine whether emergency department (ED) length of stay (LOS) or primary language was related to the degree of health literacy of patients. METHODS: Adult English-speaking and Spanish-speaking patients were recruited for the study. Participants completed the Newest Vital Sign (NVS) tool (English and Spanish versions), a 6-question validated scale. Patients with NVS scores of 0 to 3 were considered to be at risk for limited health literacy, whereas those with adequate health literacy were defined as scoring a 4 to 6. After completion of their ED visit, a retrospective chart review was performed to identify the patient's ED LOS (time from registration to time of disposition) and ED disposition. In addition, 2 single item questions were compared with the NVS for validity. RESULTS: Participants included 250 English-speaking and 257 Spanish-speaking subjects. Per the NVS, 71% (359 of 507) of all patients had limited health literacy. By language group, significantly more Spanish-speaking than English-speaking patients had limited health literacy (93% vs 48%, diff 45%, 95% confidence interval 37-51). There was no significant difference in LOS between the limited health literacy group and adequate health literacy group (medians 440 vs 461 min). The 2 single-item questions had fair validity in comparison to the NVS scale (kappa 0.2-0.3). CONCLUSIONS: There was a significant difference in health literacy based on language, with 93% of all Spanish-speaking patients in our sample having limited health literacy. We found no significant difference in ED LOS between patients with limited health and adequate health literacy in an academic urban ED setting. PMID- 29197318 TI - Erratum: EMS Patients and Walk-In Patients Presenting With Severe Sepsis: Differences in Management and Outcome: Erratum. PMID- 29197319 TI - Editorial: Multi-target Drug Discovery - Part II. PMID- 29197320 TI - ERRATUM: SAMHD1 Polymorphisms were Significantly Correlated with HIV/SIV Virus Load in PBMC from Chinese Rhesus Macaques and Cynomolgus Macaques PMID- 29197321 TI - Preface. PMID- 29197322 TI - Editorial: Futuristic Protein Engineering: Developments and Avenues. PMID- 29197323 TI - Alignment-free comparative genomic screen for structured RNAs using coarse grained secondary structure dot plots. AB - BACKGROUND: Structured non-coding RNAs play many different roles in the cells, but the annotation of these RNAs is lacking even within the human genome. The currently available computational tools are either too computationally heavy for use in full genomic screens or rely on pre-aligned sequences. METHODS: Here we present a fast and efficient method, DotcodeR, for detecting structurally similar RNAs in genomic sequences by comparing their corresponding coarse-grained secondary structure dot plots at string level. This allows us to perform an all against-all scan of all window pairs from two genomes without alignment. RESULTS: Our computational experiments with simulated data and real chromosomes demonstrate that the presented method has good sensitivity. CONCLUSIONS: DotcodeR can be useful as a pre-filter in a genomic comparative scan for structured RNAs. PMID- 29197325 TI - Genomic prediction accuracies in space and time for height and wood density of Douglas-fir using exome capture as the genotyping platform. AB - BACKGROUND: Genomic selection (GS) can offer unprecedented gains, in terms of cost efficiency and generation turnover, to forest tree selective breeding; especially for late expressing and low heritability traits. Here, we used: 1) exome capture as a genotyping platform for 1372 Douglas-fir trees representing 37 full-sib families growing on three sites in British Columbia, Canada and 2) height growth and wood density (EBVs), and deregressed estimated breeding values (DEBVs) as phenotypes. Representing models with (EBVs) and without (DEBVs) pedigree structure. Ridge regression best linear unbiased predictor (RR-BLUP) and generalized ridge regression (GRR) were used to assess their predictive accuracies over space (within site, cross-sites, multi-site, and multi-site to single site) and time (age-age/ trait-trait). RESULTS: The RR-BLUP and GRR models produced similar predictive accuracies across the studied traits. Within-site GS prediction accuracies with models trained on EBVs were high (RR-BLUP: 0.79-0.91 and GRR: 0.80-0.91), and were generally similar to the multi-site (RR-BLUP: 0.83 0.91, GRR: 0.83-0.91) and multi-site to single-site predictive accuracies (RR BLUP: 0.79-0.92, GRR: 0.79-0.92). Cross-site predictions were surprisingly high, with predictive accuracies within a similar range (RR-BLUP: 0.79-0.92, GRR: 0.78 0.91). Height at 12 years was deemed the earliest acceptable age at which accurate predictions can be made concerning future height (age-age) and wood density (trait-trait). Using DEBVs reduced the accuracies of all cross-validation procedures dramatically, indicating that the models were tracking pedigree (family means), rather than marker-QTL LD. CONCLUSIONS: While GS models' prediction accuracies were high, the main driving force was the pedigree tracking rather than LD. It is likely that many more markers are needed to increase the chance of capturing the LD between causal genes and markers. PMID- 29197324 TI - Altered phosphorylation, electrophysiology, and behavior on attenuation of PDE4B action in hippocampus. AB - BACKGROUND: PDE4 cyclic nucleotide phosphodiesterases regulate 3', 5' cAMP abundance in the CNS and thereby regulate PKA activity and phosphorylation of CREB, which has been implicated in learning and memory, depression and other functions. The PDE4 isoform PDE4B1 also interacts with the DISC1 protein, implicated in neural development and behavioral disorders. The cellular functions of PDE4B1 have been investigated extensively, but its function(s) in the intact organism remained unexplored. RESULTS: To specifically disrupt PDE4B1, we developed mice that express a PDE4B1-D564A transgene in the hippocampus and forebrain. The transgenic mice showed enhanced phosphorylation of CREB and ERK1/2 in hippocampus. Hippocampal neurogenesis was increased in the transgenic mice. Hippocampal electrophysiological studies showed increased baseline synaptic transmission and enhanced LTP in male transgenic mice. Behaviorally, male transgenic mice showed increased activity in prolonged open field testing, but neither male nor female transgenic mice showed detectable anxiety-like behavior or antidepressant effects in the elevated plus-maze, tail-suspension or forced swim tests. Neither sex showed any significant differences in associative fear conditioning or showed any demonstrable abnormalities in pre-pulse inhibition. CONCLUSIONS: These data support the use of an isoform-selective approach to the study of PDE4B1 function in the CNS and suggest a probable role of PDE4B1 in synaptic plasticity and behavior. They also provide additional rationale and a refined approach to the development of small-molecule PDE4B1-selective inhibitors, which have potential functions in disorders of cognition, memory, mood and affect. PMID- 29197326 TI - Potentially inappropriate prescriptions for elderly people taking antidepressant: comparative tools. AB - BACKGROUND: The use of psychotropic drugs by elderly people is widely spread around the world, given that prevalence of inappropriate medication is frequent. Strictly speaking, in Brazil, the vulnerable population of elderly people is more likely to use Potentially Inappropriate Psychotropic (PIP) due to the impact of social-economic characteristics, to the Brazilian Public Health System, and to the lack of patient monitoring. However, neither the use pattern nor the prevalence rate of PIP have been studied in Brazil so far. The objectives of this study were to determine the prevalence of PIP in elderly outpatients taking antidepressants, and to compare the performance of two different tools (Beers, STOPP). METHODS: This cross-sectional study involved all the aged outpatients (>= 60 years of age) taking antidepressants attended by the public health system in a city of the State of Sao Paulo, Brazil. Data were obtained from a pharmacy database and medical records. All psychotropic drugs evaluated included: antidepressants, antipsychotics, anti-epileptics and benzodiazepines. STOPP and Beers criteria were applied to detect PIP. RESULTS: One thousand one hundred forty prescriptions from 174 outpatients were subjected to two different screening tools. The average patient age was 67 (interquartile range 63-74) and the median number of drugs used was 3.0 (interquartile 2-4) per patient. The overall prevalence of PIP was 121 (69.5%). The levels of PIP observed according to tools were 39.6% (STOPP) and 29.9% (Beers).The long-term use of benzodiazepines was the most common PIP recognized, and the one which contributed more significantly to higher levels of PIP than other medications. CONCLUSIONS: The prevalence of PIP was high among the elderly. STOPP criteria identified more PIP than Beers criteria. Knowledge of PIP prevalence should gear efforts to reduce the level of inappropriate prescriptions and may provide the need for developing national criteria. PMID- 29197327 TI - Re-evaluation of the Haarlem Archaeopteryx and the radiation of maniraptoran theropod dinosaurs. AB - BACKGROUND: Archaeopteryx is an iconic fossil that has long been pivotal for our understanding of the origin of birds. Remains of this important taxon have only been found in the Late Jurassic lithographic limestones of Bavaria, Germany. Twelve skeletal specimens are reported so far. Archaeopteryx was long the only pre-Cretaceous paravian theropod known, but recent discoveries from the Tiaojishan Formation, China, yielded a remarkable diversity of this clade, including the possibly oldest and most basal known clade of avialan, here named Anchiornithidae. However, Archaeopteryx remains the only Jurassic paravian theropod based on diagnostic material reported outside China. RESULTS: Re examination of the incomplete Haarlem Archaeopteryx specimen did not find any diagnostic features of this genus. In contrast, the specimen markedly differs in proportions from other Archaeopteryx specimens and shares two distinct characters with anchiornithids. Phylogenetic analysis confirms it as the first anchiornithid recorded outside the Tiaojushan Formation of China, for which the new generic name Ostromia is proposed here. CONCLUSIONS: In combination with a biogeographic analysis of coelurosaurian theropods and palaeogeographic and stratigraphic data, our results indicate an explosive radiation of maniraptoran coelurosaurs probably in isolation in eastern Asia in the late Middle Jurassic and a rapid, at least Laurasian dispersal of the different subclades in the Late Jurassic. Small body size and, possibly, a multiple origin of flight capabilities enhanced dispersal capabilities of paravian theropods and might thus have been crucial for their evolutionary success. PMID- 29197328 TI - Vaccine-derived poliovirus surveillance in China during 2001-2013: the potential challenge for maintaining polio free status. AB - BACKGROUND: The goal of polio eradication is to complete elimination and containment of all wild, vaccine-related and Sabin polioviruses. Vaccine-derived poliovirus (VDPV) surveillance in China from 2001-2013 is summarized in this report, which has important implications for the global polio eradication initiative. METHODS: Acute flaccid paralysis (AFP) cases and their contacts with VDPVs isolated from fecal specimens were identified in our AFP surveillance system or by field investigation. Epidemiological and laboratory information for these children were analyzed and the reasons for the VDPV outbreak was explored. RESULTS: VDPVs were isolated from a total of 49 children in more than two-thirds of Chinese provinces from 2001-2013, including 15 VDPV cases, 15 non-polio AFP cases and 19 contacts of AFP cases or healthy subjects. A total of 3 circulating VDPVs (cVDPVs) outbreaks were reported in China, resulting in 6 cVDPVs cases who had not been vaccinated with oral attenuated poliomyelitis vaccine. Among the 4 immunodeficiency-associated VDPVs (iVDPVs) cases, the longest duration of virus excretion was about 20 months. In addition, one imported VDPV case from Myanmar was detected in Yunnan Province. CONCLUSIONS: Until all wild, vaccine-related and Sabin polioviruses are eradicated in the world, high quality routine immunization and sensitive AFP surveillance should be maintained, focusing efforts on underserved populations in high risk areas. PMID- 29197329 TI - What does it mean when people say that they have received expressions of concern about their drinking or advice to cut down on the AUDIT scale? AB - BACKGROUND: The Alcohol Use Disorders Identification Test (AUDIT) is a commonly used scale to measure severity of alcohol consumption that contains an item asking if anyone has expressed concern about your drinking or suggested you cut down. What does it mean when a participant says yes to this question? METHODS: Participants who were 18 or older and who drank at least weekly were recruited to complete a survey about their drinking from the Mechanical Turk platform. Comparisons were made between at risk (n = 2565) and high risk drinkers (n = 581) who said that someone had expressed concern about their drinking regarding who had expressed concern. If the person expressing concern was a health professional, the participant was also asked what type of support was provided. RESULTS: Expressions of concern about drinking were received more often by high risk than at risk drinkers. The most common type of person to have expressed concern was a relative, followed by a friend, or a marital partner. About one quarter of participants had received expressions of concern from a medical doctor or other health professional. All health professionals' expressions of concern were accompanied by a suggestion to cut down and about half provided some additional support (the most common type of support was brief advice). CONCLUSIONS: Expressions of concern come from a variety of sources and the likelihood of their occurrence is partially related to amount of alcohol intake. PMID- 29197330 TI - Chronic wounds alter the proteome profile in skin mucus of farmed gilthead seabream. AB - BACKGROUND: Skin and its mucus are known to be the first barrier of defence against any external stressors. In fish, skin wounds frequently appear as a result of intensive culture and also some diseases have skin ulcers as external clinical signs. However, there is no information about the changes produced by the wounds in the mucosae. In the present paper, we have studied the alterations in the proteome map of skin mucus of gilthead seabream during healing of experimentally produced chronic wounds by 2-DE followed by LC-MS/MS. The corresponding gene expression changes of some identified skin proteins were also investigated through qPCR. RESULTS: Our study has successfully identified 21 differentially expressed proteins involved in immunity and stress processes as well as other metabolic and structural proteins and revealed, for the first time, that all are downregulated in the skin mucus of wounded seabream specimens. At transcript level, we found that four of nine markers (ighm, gst3, actb and krt1) were downregulated after causing the wounds while the rest of them remained unaltered in the wounded fish. Finally, ELISA analysis revealed that IgM levels were significantly lower in wounded fish compared to the control fish. CONCLUSIONS: Our study revealed a decreased-expression at protein and for some transcripts at mRNA levels in wounded fish, which could affect the functionality of these molecules, and therefore, delay the wound healing process and increase the susceptibility to any infection after wounds in the skin of gilthead seabream. PMID- 29197331 TI - Genotyping and drug susceptibility testing of mycobacterial isolates from population-based tuberculosis prevalence survey in Ghana. AB - BACKGROUND: Mycobacterium tuberculosis complex (MTBC) and Non-tuberculosis Mycobacterium (NTM) infections differ clinically, making rapid identification and drug susceptibility testing (DST) very critical for infection control and drug therapy. This study aims to use World Health Organization (WHO) approved line probe assay (LPA) to differentiate mycobacterial isolates obtained from tuberculosis (TB) prevalence survey in Ghana and to determine their drug resistance patterns. METHODS: A retrospective study was conducted whereby a total of 361 mycobacterial isolates were differentiated and their drug resistance patterns determined using GenoType Mycobacterium Assays: MTBC and CM/AS for differentiating MTBC and NTM as well MTBDRplus and NTM-DR for DST of MTBC and NTM respectively. RESULTS: Out of 361 isolates, 165 (45.7%) MTBC and 120 (33.2%) NTM (made up of 14 different species) were identified to the species levels whiles 76 (21.1%) could not be completely identified. The MTBC comprised 161 (97.6%) Mycobacterium tuberculosis and 4 (2.4%) Mycobacterium africanum. Isoniazid and rifampicin monoresistant MTBC isolates were 18/165 (10.9%) and 2/165(1.2%) respectively whiles 11/165 (6.7%) were resistant to both drugs. Majority 42/120 (35%) of NTM were M. fortuitum. DST of 28 M. avium complex and 8 M. abscessus complex species revealed that all were susceptible to macrolides (clarithromycin, azithromycin) and aminoglycosides (kanamycin, amikacin, and gentamicin). CONCLUSION: Our research signifies an important contribution to TB control in terms of knowledge of the types of mycobacterium species circulating and their drug resistance patterns in Ghana. PMID- 29197332 TI - RNA-seq-based genome annotation and identification of long-noncoding RNAs in the grapevine cultivar 'Riesling'. AB - BACKGROUND: The technological advances of RNA-seq and de novo transcriptome assembly have enabled genome annotation and transcriptome profiling in highly heterozygous species such as grapevine (Vitis vinifera L.). This work is an attempt to utilize a de novo-assembled transcriptome of the V. vinifera cultivar 'Riesling' to improve annotation of the grapevine reference genome sequence. RESULTS: Here we show that the transcriptome assembly of a single V. vinifera cultivar is insufficient for a complete genome annotation of the grapevine reference genome constructed from V. vinifera PN40024. Further, we provide evidence that the gene models we identified cannot be completely anchored to the previously published V. vinifera PN40024 gene models. In addition to these findings, we present a computational pipeline for the de novo identification of lncRNAs. Our results demonstrate that, in grapevine, lncRNAs are significantly different from protein coding transcripts in such metrics as length, GC-content, minimum free energy, and length-corrected minimum free energy. CONCLUSIONS: In grapevine, high-level heterozygosity necessitates that transcriptome characterization be based on cultivar-specific reference genome sequences. Our results strengthen the hypothesis that lncRNAs have thermodynamically different properties than protein-coding RNAs. The analyses of both coding and non-coding RNAs will be instrumental in uncovering inter-cultivar variation in wild and cultivated grapevine species. PMID- 29197333 TI - Double product reflects the association of heart rate with MACEs in acute coronary syndrome patients treated with percutaneous coronary intervention. AB - BACKGROUND: There is little information about the prognostic value of double product (DP) for acute coronary syndrome (ACS) patients treated with percutaneous coronary intervention (PCI). The aim of this study was to investigate whether DP reflects the predictive power of heart rate (HR) or systolic blood pressure (SBP) in ACS patients treated with PCI. METHODS: A total of 7590 ACS patients who had undergone PCI, free from cardiac shock, were included. The follow-up duration was two years. The main adverse cardiovascular events (MACEs) included all-cause death, recurrent myocardial infarction and stroke. RESULTS: In the unadjusted model, significantly higher rates of MACEs were recorded in the high DP group (relative risk 1.41, 95%CI 1.08 to 1.83, p = 0.012). However, in the full adjusted models, after including HR and SBP, the predictive value of DP was not significant (relative risk 0.86, 95%CI 0.55 to1.33, p = 0.499). The predictive value of HR for MACEs was statistically significant (relative risk 1.74, 95% CI 1.33-2.28, p < 0.001). It was worth noting that the history of hypertension was strongly associated with MACEs (relative risk 1.53, 95% CI 1.11-2.11, p = 0.009). CONCLUSION: High DP is associated with MACEs for ACS patients treated with PCI. However, the predictive value of DP weakened when adjusted for HR. Therefore, we have shown that DP may reflect the predictive power of HR for ACS patients treated with PCI. PMID- 29197334 TI - Identification and characterization of Prunus persica miRNAs in response to UVB radiation in greenhouse through high-throughput sequencing. AB - BACKGROUND: MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression of target mRNAs involved in plant growth, development, and abiotic stress. As one of the most important model plants, peach (Prunus persica) has high agricultural significance and nutritional values. It is well adapted to be cultivated in greenhouse in which some auxiliary conditions like temperature, humidity, and UVB etc. are needed to ensure the fruit quality. However, little is known about the genomic information of P. persica under UVB supplement. Transcriptome and expression profiling data for this species are therefore important resources to better understand the biological mechanism of seed development, formation and plant adaptation to environmental change. Using a high throughput miRNA sequencing, followed by qRT-PCR tests and physiological properties determination, we identified the responsive-miRNAs under low-dose UVB treatment and described the expression pattern and putative function of related miRNAs and target genes in chlorophyll and carbohydrate metabolism. RESULTS: A total of 164 known peach miRNAs belonging to 59 miRNA families and 109 putative novel miRNAs were identified. Some of these miRNAs were highly conserved in at least four other plant species. In total, 1794 and 1983 target genes for known and novel miRNAs were predicted, respectively. The differential expression profiles of miRNAs between the control and UVB-supplement group showed that UVB responsive miRNAs were mainly involved in carbohydrate metabolism and signal transduction. UVB supplement stimulated peach to synthesize more chlorophyll and sugars, which was verified by qRT-PCR tests of related target genes and metabolites' content measurement. CONCLUSION: The high-throughput sequencing data provided the most comprehensive miRNAs resource available for peach study. Our results identified a series of differentially expressed miRNAs/target genes that were predicted to be low-dose UVB-responsive. The correlation between transcriptional profiles and metabolites contents in UVB supplement groups gave novel clues for the regulatory mechanism of miRNAs in Prunus. Low-dose UVB supplement could increase the chlorophyll and sugar (sorbitol) contents via miRNA target genes and therefore improve the fruit quality in protected cultivation of peaches. PMID- 29197335 TI - Trends in prevalence, mortality, health care utilization and health care costs of Swiss IBD patients: a claims data based study of the years 2010, 2012 and 2014. AB - BACKGROUND: Real-life data on inflammatory bowel disease (IBD) prevalence and costs are scarce. The aims of this study were to provide an overview of the prevalence, mortality, health care utilization and costs of IBD patients in Switzerland in the years 2010, 2012, and 2014. METHODS: Based on claims data of the Helsana-Group, prevalence of IBD was assessed for 2010, 2012 and 2014. Mortality rates, costs (inpatient, outpatient, medication costs) and utilization (visits, hospitalizations) were compared between patients with and without IBD, and between IBD patients treated with and without biologics. Results were extrapolated to the Swiss general population using national census data. Multivariate linear regression was used to identify socio-demographic and regional factors influencing total costs. RESULTS: The overall extrapolated prevalence rates of IBD were 0.32% in 2010, 0.38% in 2012, and 0.41% in 2014. Mortality rate didn't differ between the IBD and non-IBD population. Costs increased annually by 6% in IBD versus 2.4% in non-IBD subjects, which was solely due to increased outpatient costs. Almost one-fourth of IBD patients were hospitalized at least once a year. Costs were higher in IBD patients treated with biologics (OR = 3.98, CI: 3.72-4.27, p < 0.001) when compared to IBD patients without biologic therapies. Over 70% of the total costs in IBD patients treated with biologics were due to drug costs, compared with 28% in patients without use of biologic therapies, whereas inpatient costs didn't differ. CONCLUSIONS: The prevalence of IBD seems to be increasing in Switzerland. Outpatient costs increased substantially, while no decrease in inpatient costs was found. Treatment of IBD is more and more based on biologic therapies. PMID- 29197336 TI - Contrasting patterns of evolutionary constraint and novelty revealed by comparative sperm proteomic analysis in Lepidoptera. AB - BACKGROUND: Rapid evolution is a hallmark of reproductive genetic systems and arises through the combined processes of sequence divergence, gene gain and loss, and changes in gene and protein expression. While studies aiming to disentangle the molecular ramifications of these processes are progressing, we still know little about the genetic basis of evolutionary transitions in reproductive systems. Here we conduct the first comparative analysis of sperm proteomes in Lepidoptera, a group that exhibits dichotomous spermatogenesis, in which males produce a functional fertilization-competent sperm (eupyrene) and an incompetent sperm morph lacking nuclear DNA (apyrene). Through the integrated application of evolutionary proteomics and genomics, we characterize the genomic patterns potentially associated with the origination and evolution of this unique spermatogenic process and assess the importance of genetic novelty in Lepidopteran sperm biology. RESULTS: Comparison of the newly characterized Monarch butterfly (Danaus plexippus) sperm proteome to those of the Carolina sphinx moth (Manduca sexta) and the fruit fly (Drosophila melanogaster) demonstrated conservation at the level of protein abundance and post translational modification within Lepidoptera. In contrast, comparative genomic analyses across insects reveals significant divergence at two levels that differentiate the genetic architecture of sperm in Lepidoptera from other insects. First, a significant reduction in orthology among Monarch sperm genes relative to the remainder of the genome in non-Lepidopteran insect species was observed. Second, a substantial number of sperm proteins were found to be specific to Lepidoptera, in that they lack detectable homology to the genomes of more distantly related insects. Lastly, the functional importance of Lepidoptera specific sperm proteins is broadly supported by their increased abundance relative to proteins conserved across insects. CONCLUSIONS: Our results identify a burst of genetic novelty amongst sperm proteins that may be associated with the origin of heteromorphic spermatogenesis in ancestral Lepidoptera and/or the subsequent evolution of this system. This pattern of genomic diversification is distinct from the remainder of the genome and thus suggests that this transition has had a marked impact on lepidopteran genome evolution. The identification of abundant sperm proteins unique to Lepidoptera, including proteins distinct between specific lineages, will accelerate future functional studies aiming to understand the developmental origin of dichotomous spermatogenesis and the functional diversification of the fertilization incompetent apyrene sperm morph. PMID- 29197337 TI - Genome-wide motif predictions of BCARR-box in the amino-acid repressed genes of Lactobacillus helveticus CM4. AB - BACKGROUND: A BCARR (branched-chain amino acid responsive repressor) identified in proteolytic gene expressions in Lactobacillus helveticus is considered to negatively control transcriptions by binding to operator sites at the promoter regions in the presence of BCAAs. However, the distributions and regulatory potential of the BCARR in all genes repressed by BCAAs in CM4 remains unclear. RESULTS: A genome-wide search for the BCARR-box was conducted to clarify the contribution of BCARR in the regulation of amino acid metabolism in L. helveticus CM4. Among all 2174 genes of CM4, 390 genes repressed by amino acids were selected for the search of the BCARR-box. The annotated 33 genes among the 67 predicted BCARR-boxes were mainly linked to amino acid metabolism. The BCARR boxes were mainly located adjacent to the -35 sequence of the promoter; however, the repressive effects in different locations were similar. Notably, the consensus BCARR-box motif, 5'-A1A2A3A4A5W6N7N8N9W10T11T12W13T14T15-3', observed in highly repressed genes, revealed more frequent A-T base pairing and a lower free energy than that in lowly repressed genes. A MEME analysis also supported the lower frequency of T at positions 12, 14, 13 and 15 in the BCARR-box sequence of the lowly repressed gene group. These results reveal that genes with a more stable palindromic structure might be preferable targets for BCARR binding and result in higher repressions in the target gene expressions. CONCLUSIONS: Our genome-wide search revealed the involvement of the proteolytic system, transporter system and some transcriptional regulator systems in BCARR-box regulation in L. helveticus CM4. PMID- 29197338 TI - Dose-response studies of Ropivacaine in blood flow of upper extremity after supraclavicular block: a double-blind randomized controlled study. AB - BACKGROUND: The sympathetic block of upper limb leading to increased blood flow has important clinical implication in microvascular surgery. However, little is known regarding the relationship between concentration of local anesthetic and blood flow of upper limb. The aim of this dose-response study was to determine the ED50 and ED95 of ropivacaine in blood flow after supraclavicular block (SB). METHODS: Patients undergoing upper limb surgery and supraclavicular block were randomly assigned to receive 30ml ropivacaine in concentrations of 0.125%(A Group), 0.2%(B Group), 0.25%(C Group), 0.375%(D Group), 0.5%(E Group), or 0.75%(F Group) (n=13 per group). All patients received supraclavicular block (SB). Time average maximum velocity (TAMAX), cross-sectional area (CSA) of brachial artery and skin temperatures (Ts) were measured repeatedly at the same marked points, they were taken at baseline (before block, t0) and at 30min after SB (t1). Blood flow(BF) = TAMAX* CSA*60 sec.. Relative blood flow (DeltaBF) = BFt1/ BFt0. Success of SB was assessed simultaneously. Supplementary anesthesia and other adverse events (AE) were recorded. RESULTS: Significant increase in TAMAX, CSA, BF and Ts were seen in all concentration groups at t1 comparing with t0 (P<0.001). There was an upward trend of TAMAX, CSA, BF with the increasing concentration of ropivacaine except Ts. There was no significant different of Ts at t1 among different concentration group. The dose-response formula of ropivacaine on DeltaBF was Y=1+3.188/(1+10^((-2.451-X) * 1.730)) and ED50/ED95 (95%CI) were 0.35/1.94%(0.25-0.45/0.83-4.52), and R2 (coefficient of determination) =0.85. ED50/ED95 (95%CI) values of sensory block were 0.18/0.33% (0.15-0.21/0.27-0.51), R2=0.904. CONCLUSIONS: The dose-response curve between SB ropivacaine and the changes of BF was determined. The ED50/ED95 of ropivacaine of DeltaBF are 0.35/1.94% (0.25-0.45/0.83-4.52). TAMAX, CSA and BF consistently increased with ropivacaine concentration. The maximal sympathetic block needs higher concentration than that complete sensation block needs which may benefit for microvascular surgery. TRIAL REGISTRATION: Clinicaltrials.gov NCT02139982 . Retrospectively registered (Date of registration: May, 2014). PMID- 29197339 TI - Irritable bowel syndrome: prevalence, risk factors in an adult Lebanese population. AB - BACKGROUND: Very few studies report on the prevalence of irritable bowel syndrome (IBS) and its correlates in the Middle East. This study investigated Irritable Bowel Syndrome (IBS) prevalence in a sample of Lebanese adult individuals and associated demographic and behavioral lifestyle factors. METHODS: This is an observational population-based study. The target population is working Lebanese adults, eighteen-to-sixty five years old. The sample was selected from a convenience population of bank employees in different geographical areas in Lebanon. The study participants completed an anonymous self-administered questionnaire, to collect data on their socio-demographic, behavioral and life style characteristics, and diagnostic questions following Rome III criteria to assess IBS occurrence. The difference in IBS prevalence by socio-demographic characteristics, smoking, alcohol consumption, and physical activity was assessed by using the Chi-square test. Logistic regression adjusted odds ratios were used to investigate the association between risk factors and IBS. RESULTS: Data was collected from 553 individuals and consisted of 52.8% females (mean age 35.9 years, SD = 11.9) and 47.2% males (mean age = 36.1 years, SD = 10.3). The prevalence of IBS in the study population according to Rome III criteria was 20.1%. The bivariate analysis indicated that being younger than 30 years old, a female, an ever water pipe smoker, an ever alcohol consumer are significantly associated with a higher prevalence of IBS. Educational level, cigarettes smoking and physical exercise were not significantly associated with IBS occurrence. The logistic regression adjusted odds ratio showed that females were 1.67 times more likely to have IBS than males (P? 0.05). The participants aged less than 30 years old were at a higher risk of having IBS (P? 0.01). Those who ever smoked waterpipe were 1.63 times more likely to have IBS than those who never smoked waterpipe (P? 0.05). Those who were ever alcohol drinkers were twice as likely to have IBS than never-drinkers (P? 0.01). CONCLUSION: New data on the high prevalence of IBS in an adult population in Lebanon has been reported. This is also the first study to investigate and show an association of waterpipe smoking and IBS. Further longitudinal studies are warranted to determine whether this association is causal. PMID- 29197340 TI - Clinical significance and risk factors for new onset and recurring atrial fibrillation following cardiac surgery - a retrospective data analysis. AB - BACKGROUND: Although mortality after cardiac surgery has significantly decreased in the last decade, patients still experience clinically relevant postoperative complications. Among others, atrial fibrillation (AF) is a common consequence of cardiac surgery, which is associated with prolonged hospitalization and increased mortality. METHODS: We retrospectively analyzed data from patients who underwent coronary artery bypass grafting, valve surgery or a combination of both at the University Hospital Muenster between April 2014 and July 2015. We evaluated the incidence of new onset and intermittent/permanent AF (patients with pre- and postoperative AF). Furthermore, we investigated the impact of postoperative AF on clinical outcomes and evaluated potential risk factors. RESULTS: In total, 999 patients were included in the analysis. New onset AF occurred in 24.9% of the patients and the incidence of intermittent/permanent AF was 59.5%. Both types of postoperative AF were associated with prolonged ICU length of stay (median increase approx. 2 days) and duration of mechanical ventilation (median increase 1 h). Additionally, new onset AF patients had a higher rate of dialysis and hospital mortality and more positive fluid balance on the day of surgery and postoperative days 1 and 2. In a multiple logistic regression model, advanced age (odds ratio (OR) = 1.448 per decade increase, p < 0.0001), a combination of CABG and valve surgery (OR = 1.711, p = 0.047), higher C-reactive protein (OR = 1.06 per unit increase, p < 0.0001) and creatinine plasma concentration (OR = 1.287 per unit increase, p = 0.032) significantly predicted new onset AF. Higher Horowitz index values were associated with a reduced risk (OR = 0.996 per unit increase, p = 0.012). In a separate model, higher plasma creatinine concentration (OR = 2.125 per unit increase, p = 0.022) was a significant risk factor for intermittent/permanent AF whereas higher plasma phosphate concentration (OR = 0.522 per unit increase, p = 0.003) indicated reduced occurrence of this arrhythmia. CONCLUSIONS: New onset and intermittent/permanent AF are associated with adverse clinical outcomes of elective cardiac surgery patients. Different risk factors implicated in postoperative AF suggest different mechanisms might be involved in its pathogenesis. Customized clinical management protocols seem to be warranted for a higher success rate of prevention and treatment of postoperative AF. PMID- 29197341 TI - Frail phenotype is associated with distinct quantitative electroencephalographic findings among end-stage renal disease patients: an observational study. AB - BACKGROUND: Frailty is prevalent among patients with end-stage renal disease (ESRD) and is associated with an increased risk of cognitive impairment. However, apart from its influence on cognition, it is currently unknown whether frailty affects subtler cerebral function in patients with ESRD. METHODS: Patients with ESRD were prospectively enrolled, with clinical features and laboratory data recorded. The severity of frailty among these patients with ESRD was ascertained using the previously validated simple FRAIL scale, and was categorized as none-to mild and moderate-to-severe frailty. All participants underwent quantitative electroencephalography (EEG), with band powers documented following the generation of the delta to alpha ratio (DAR) and delta/theta to alpha/beta ratio (DTABR). EEG results were then compared between groups of different levels of frailty. RESULTS: In this cohort, (mean age: 68.9 +/- 10.4 years, 37% male, 3.4 +/- 3 years of dialysis), 20, 60, 40, 17, and 6% patients exhibited positivity in the fatigue, resistance, ambulation, illness, and loss-of-body-weight domains, respectively, with 45.7% being none to mildly frail and 54.3% being moderately to severely frail. Those with mild frailty had a significantly higher delta power compared to those with more severe frailty, involving all topographic sites. Patients with ESRD and severe frailty had significantly lower global, left frontal, left temporo-occipital, and right temporo-occipital DAR and DTABR, except in the right frontal area, and tended to have central accentuation of alpha, beta, and theta power, and more homogeneous DTABR and DAR distribution compared to the findings in those with mild frailty. CONCLUSIONS: Frailty in patients with ESRD can have subtler neurophysiological influences, presenting as altered EEG findings, which warrant our attention. PMID- 29197342 TI - Identification and integrated analysis of differentially expressed lncRNAs and circRNAs reveal the potential ceRNA networks during PDLSC osteogenic differentiation. AB - BACKGROUND: Researchers have been exploring the molecular mechanisms underlying the control of periodontal ligament stem cell (PDLSC) osteogenic differentiation. Recently, long noncoding RNAs (lncRNAs) and circular RNAs (circRNAs) were shown to function as competitive endogenous RNAs (ceRNAs) to regulate the effect of microRNAs (miRNAs) on their target genes during cell differentiation. However, comprehensive identification and integrated analysis of lncRNAs and circRNAs acting as ceRNAs during PDLSC osteogenic differentiation have not been performed. RESULTS: PDLSCs were derived from healthy human periodontal ligament and cultured separately with osteogenic induction and normal media for 7 days. Cultured PDLSCs were positive for STRO-1 and CD146 and negative for CD31 and CD45. Osteo-induced PDLSCs showed increased ALP (alkaline phosphatase) activity and up-regulated expression levels of the osteogenesis-related markers ALP, Runt-related transcription factor 2 and osteocalcin. Then, a total of 960 lncRNAs and 1456 circRNAs were found to be differentially expressed by RNA sequencing. The expression profiles of eight lncRNAs and eight circRNAs were measured with quantitative real-time polymerase chain reaction and were shown to agree with the RNA-seq results. Furthermore, the potential functions of lncRNAs and circRNAs as ceRNAs were predicted based on miRanda and were investigated using Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis. In total, 147 lncRNAs and 1382 circRNAs were predicted to combine with 148 common miRNAs and compete for miRNA binding sites with 744 messenger RNAs. These mRNAs were predicted to significantly participate in osteoblast differentiation, the MAPK pathway, the Wnt pathway and the signaling pathways regulating pluripotency of stem cells. Among them, lncRNAs coded as TCONS_00212979 and TCONS_00212984, as well as circRNA BANP and circRNA ITCH, might interact with miRNA34a and miRNA146a to regulate PDLSC osteogenic differentiation via the MAPK pathway. CONCLUSIONS: This study comprehensively identified lncRNAs/circRNAs and first integrated their potential ceRNA function during PDLSC osteogenic differentiation. These findings suggest that specific lncRNAs and circRNAs might function as ceRNAs to promote PDLSC osteogenic differentiation and periodontal regeneration. PMID- 29197343 TI - Expression and evolutionary patterns of mycobacteriophage D29 and its temperate close relatives. AB - BACKGROUND: Mycobacteriophages are viruses that infect Mycobacterium hosts. A large collection of phages known to infect the same bacterial host strain - Mycobacterium smegmatis mc2155 - exhibit substantial diversity and characteristically mosaic architectures. The well-studied lytic mycobacteriophage D29 appears to be a deletion derivative of a putative temperate parent, although its parent has yet to be identified. RESULTS: Here we describe three newly isolated temperate phages - Kerberos, Pomar16 and StarStuff - that are related to D29, and are predicted to be very close relatives of its putative temperate parent, revealing the repressor and additional genes that are lost in D29. Transcriptional profiles show the patterns of both lysogenic and lytic gene expression and identify highly-expressed, abundant, stable, small non-coding transcripts made from the Pleft early lytic promoter, and which are toxic to M. smegmatis. CONCLUSIONS: Comparative genomics of phages D29, Kerberos, Pomar16 and StarStuff provide insights into bacteriophage evolution, and comparative transcriptomics identifies the pattern of lysogenic and lytic expression with unusual features including highly expressed, small, non-coding RNAs. PMID- 29197344 TI - Lactation-related metabolic mechanism investigated based on mammary gland metabolomics and 4 biofluids' metabolomics relationships in dairy cows. AB - BACKGROUND: Lactation is extremely important for dairy cows; however, the understanding of the underlying metabolic mechanisms is very limited. This study was conducted to investigate the inherent metabolic patterns during lactation using the overall biofluid metabolomics and the metabolic differences from non lactation periods, as determined using partial tissue-metabolomics. We analyzed the metabolomic profiles of four biofluids (rumen fluid, serum, milk and urine) and their relationships in six mid-lactation Holstein cows and compared their mammary gland (MG) metabolomic profiles with those of six non-lactating cows by using gas chromatography-time of flight/mass spectrometry. RESULTS: In total, 33 metabolites were shared among the four biofluids, and 274 metabolites were identified in the MG tissues. The sub-clusters of the hierarchical clustering analysis revealed that the rumen fluid and serum metabolomics profiles were grouped together and highly correlated but were separate from those for milk. Urine had the most different profile compared to the other three biofluids. Creatine was identified as the most different metabolite among the four biofluids (VIP = 1.537). Five metabolic pathways, including gluconeogenesis, pyruvate metabolism, the tricarboxylic acid cycle (TCA cycle), glycerolipid metabolism, and aspartate metabolism, showed the most functional enrichment among the four biofluids (false discovery rate < 0.05, fold enrichment >2). Clear discriminations were observed in the MG metabolomics profiles between the lactating and non-lactating cows, with 54 metabolites having a significantly higher abundance (P < 0.05, VIP > 1) in the lactation group. Lactobionic acid, citric acid, orotic acid and oxamide were extracted by the S-plot as potential biomarkers of the metabolic difference between lactation and non-lactation. The TCA cycle, glyoxylate and dicarboxylate metabolism, glutamate metabolism and glycine metabolism were determined to be pathways that were significantly impacted (P < 0.01, impact value >0.1) in the lactation group. Among them, the TCA cycle was the most up-regulated pathway (P < 0.0001), with 7 of the 10 related metabolites increased in the MG tissues of the lactating cows. CONCLUSIONS: The overall biofluid and MG tissue metabolic mechanisms in the lactating cows were interpreted in this study. Our findings are the first to provide an integrated insight and a better understanding of the metabolic mechanism of lactation, which is beneficial for developing regulated strategies to improve the metabolic status of lactating dairy cows. PMID- 29197345 TI - Perioperative Duloxetine and Etoricoxibto improve postoperative pain after lumbar Laminectomy: a randomized, double-blind, controlled study. AB - BACKGROUND: Duloxetine, Etoricoxib and opioid are of the commonly administered drugs in Lumbar laminectomy. The aim of this study is to assess the effect of perioperative use of Duloxetine in combination with Etoricoxib on postoperative pain and opioid requirements. METHODS: One hundred twenty patients with ASA physical status were enrolled with age between 18 and 70 years. Patients were divided randomly into four groups of 30 patients: group P received placebo, group E received etoricoxib 120 mg, group D received duloxetine 60 mg and group D/E received duloxetine 60 mg capsules and etoricoxib 120 mg; 1 h before surgery and 24 h after. RESULTS: Neither Duloxetine nor etoricoxib individually had effect on pain with movement, while their combination revealed a significant reduction in pain scores over the entire postoperative period at rest and on movement. Etoricoxib showed a significant decrease in pain at all times at rest when compared with group P, while it showed significant pain decrease only at 0, 2 and 4 h when compared with group D. On the other hand duloxetine alone showed significant decrease in pain at rest at 24 h and 48 h when compared with group P. ConcerningMorphine requirement after 24 h.; it wassignificantly lower in the D/E group in comparison with groups P, E and D. It should be noted also that there was a significant decrease morphine requirement in both groups E and D. CONCLUSION: The perioperative administration of the combination of etoricoxib and duloxetine improved analgesia and reduced opioid consumption without significant side effects. TRIAL REGISTRATION: ISRCTN48329522 . 17 June 2017. PMID- 29197346 TI - Radiographic features of Ollier's disease - two case reports. AB - BACKGROUND: Ollier's disease is a non-hereditary, benign bone tumor which is usually characterized by presence of multiple radiolucent lesions (enchondromas) in the metaphysis of long bones with unilateral predominance. The disease is a rare clinical entity with 1/100000 occurrence in early childhood. Patients mostly present with multiple hard swellings and deformity of the tubular bones specially hands and feet with leg discrepancy and pathologic fractures. CASE PRESENTATION: We present two cases of Ollier's disease in a 13 years old female and 8 years old boy which had no specific symptoms. The girl had multiple hard swellings and deformity in the fingers of both hands and left toes with left leg deformity and discrepancy. Her plain radiographs demonstrated multiple expansile enchondromas in the phalanges of hands, left toes and metaphyses of upper humeri as well as left leg bones. The enchondromas were also noted in the left iliac bone and anterior end of ribs. The boy had bowing deformity and shortage of left leg with multiple enchondromas in the metaphyses of left femur, left tibia and fibula as well as left iliac bone in his radiographic images. CONCLUSION: Ollier's disease is usually diagnosed by clinical signs and typical location of enchondromas across skeleton in conventional radiography. It usually does not need specific treatment. Well understanding of the clinical manifestation and radiographic features can prevent unnecessary application of other imaging modalities; while other diagnostic imaging modalities like MRI, ultrasound and scintigraphy can be used in complicated and painful conditions. PMID- 29197347 TI - Sample size calculations based on a difference in medians for positively skewed outcomes in health care studies. AB - BACKGROUND: In healthcare research, outcomes with skewed probability distributions are common. Sample size calculations for such outcomes are typically based on estimates on a transformed scale (e.g. log) which may sometimes be difficult to obtain. In contrast, estimates of median and variance on the untransformed scale are generally easier to pre-specify. The aim of this paper is to describe how to calculate a sample size for a two group comparison of interest based on median and untransformed variance estimates for log-normal outcome data. METHODS: A log-normal distribution for outcome data is assumed and a sample size calculation approach for a two-sample t-test that compares log transformed outcome data is demonstrated where the change of interest is specified as difference in median values on the untransformed scale. A simulation study is used to compare the method with a non-parametric alternative (Mann Whitney U test) in a variety of scenarios and the method is applied to a real example in neurosurgery. RESULTS: The method attained a nominal power value in simulation studies and was favourable in comparison to a Mann-Whitney U test and a two-sample t-test of untransformed outcomes. In addition, the method can be adjusted and used in some situations where the outcome distribution is not strictly log-normal. CONCLUSIONS: We recommend the use of this sample size calculation approach for outcome data that are expected to be positively skewed and where a two group comparison on a log-transformed scale is planned. An advantage of this method over usual calculations based on estimates on the log transformed scale is that it allows clinical efficacy to be specified as a difference in medians and requires a variance estimate on the untransformed scale. Such estimates are often easier to obtain and more interpretable than those for log-transformed outcomes. PMID- 29197348 TI - Hyperbaric oxygen treatment and nephrotoxicity induced by gentamicin in rats. AB - BACKGROUND: Nephrotoxicity is a significant adverse side effect of gentamicin. Previous preclinical studies showed that hyperbaric oxygen treatment (HBOT) may have beneficial effects by attenuating renal damage in rats subjected to renal injury. We evaluated the effect of HBOT on acute renal failure caused by gentamicin. METHODS: Thirty-six rats were divided into four groups. Gentamicin (150 mg/kg for 5 consecutive days) was administered in 30 rats, 10 rats received only gentamicin, 10 rats received 100% oxygen therapy on days 1-5 of the experiment, 10 received daily HBOT on days 1-5 of the experiment, and the remaining six served as a control group. On day 6, renal function tests and renal pathological examinations were performed. RESULTS: Body weight and biochemical parameters were similar in all groups except for higher plasma levels of calcium in the 100% oxygen group (P = 0.03). All the rats in the experimental group showed biochemical parameters compatible with renal failure (high serum levels of urea and creatinine). All the rats in the control group had normal renal function tests. Two rats from the HBOT group died on the fifth day of the experiment. All rats in the control group demonstrated normal renal morphology. All 28 intoxicated rats showed moderate to severe histopathological changes without significant differences between the groups. CONCLUSIONS: Treatment of gentamicin induced nephrotoxicity with either HBOT or 100% oxygen for 5 days had no beneficial renal effect. Mortality was observed only in the HBOT group. PMID- 29197349 TI - Granulomatous interstitial nephritis due to chronic lymphocytic leukemia: a case report. AB - BACKGROUND: Renal failure due to the infiltration of chronic lymphocytic leukemia (CLL) cells into the tubulointerstitial area of the kidney is uncommon. Furthermore, granulomatous interstitial nephritis (GIN) is a rare histological diagnosis in patients undergoing a renal biopsy. We herein report a case of GIN due to the diffuse infiltration of CLL cells in a patient who developed progressive renal failure. CASE PRESENTATION: The patient was a 55-year-old man who had been diagnosed with CLL 4 years earlier and who had been followed up without treatment. Although his serum creatinine level had remained normal for three and a half years, it started to increase in the six months prior to his presentation. A urinalysis showed mild proteinuria without any hematuria at the time of presentation. A renal biopsy revealed the diffuse infiltration of CLL cells into the tubulointerstitial area with non-caseating epithelioid cell granulomas. Despite cyclophosphamide treatment, his renal function did not improve, and he ultimately required maintenance hemodialysis. CONCLUSION: When progressive renal failure is combined with CLL, GIN due to the direct infiltration of CLL cells should be considered as a differential diagnosis. PMID- 29197350 TI - Effect of hyperchloremia on acute kidney injury in critically ill septic patients: a retrospective cohort study. AB - BACKGROUND: Hyperchloremia is common in critically ill septic patients. The impact of hyperchloremia on the incidence of acute kidney injury (AKI) is not well studied. We investigated the association between hyperchloremia and AKI within the first 72 h of intensive care unit (ICU) admission. METHODS: 6490 ICU adult patients admitted with severe sepsis or septic shock were screened for eligibility. Exclusion criteria included: AKI on admission, baseline estimated glomerular filtration rate (eGFR) <15 ml/min/1.73 m2, chronic renal replacement therapy, absent baseline serum creatinine data, and absent serum chloride data on ICU admission. RESULTS: A total of 1045 patients were available for analysis following the implementation of eligibility criteria: 303 (29%) had hyperchloremia (Cl0 >= 110 mEq/L) on ICU admission, 561 (54%) were normochloremic (Cl0 101-109 mEq/L) and 181 (17%) were hypochloremic (Cl0 <= 100 mEq/L). AKI within the first 72 h of ICU stay was the dependent variable. Chloride on ICU admission (Cl0) and change in Cl by 72 h (DeltaCl = Cl72 - Cl0) were the independent variables. The odds for AKI were not different in the hyperchloremic group when compared to the normochloremic group [adjusted odds ratio (OR) =0.80, 95% confidence interval [CI] (0.51-1.25); p = 0.33] after adjusting for demographics, comorbidities, baseline kidney function, drug exposure and critical illness indicators including cumulative fluid balance and base deficit. Furthermore, within the subgroup of patients with hyperchloremia on ICU admission, neither Cl0 nor DeltaCl was associated with AKI or with moderate/severe AKI (KDIGO Stage >=2). CONCLUSIONS: Hyperchloremia occurs commonly among critically ill septic patients admitted to the ICU, but does not appear to be associated with an increased risk for AKI within the first 72 h of admission. PMID- 29197351 TI - Maternal characteristics and birth outcomes resulting from births before arrival at health facilities in Nkangala District, South Africa: a case control study. AB - BACKGROUND: Risks of severe, avoidable maternal and neonatal complications at birth are increased if the birth occurs before arrival at the health facility and in the absence of skilled birth attendants. Birth Before Arrival (BBA) is a preventable phenomenon still common in modern-day practice despite extensive improvements made in obstetric care and in accessibility to healthcare in South Africa. This study aimed to determine the risk factors and outcomes in mothers and babies associated with being born before arrival at hospitals. METHODS: A prospective case control study design was conducted. All BBAs presenting to the hospitals in Nkangala District between November 2015 and February 2016 were included and compared to a consecutive hospital delivery occurring immediately after the arrival of each BBA. T-tests and chi square tests were used to analyse the differences between the groups and a binary logistic regression analysis used to determine predictors of BBAs. All statistical analysis were done using STATA version 14 using a 5% decision level and a 95% confidence interval. RESULTS: During the study period, 4397 in-facility births and 201 BBAs were recorded, 78 BBAs and 75 controls were investigated in this study. The district BBA prevalence was 4.6%. Risk factors identified in mothers of BBAs were: single mothers (83.3% vs 69.3%; p = 0.04); residing in an informal settlement (23.1% vs 5.3%; p = 0.002); and higher gravidity with plurigravida significantly more (60.3% vs 32.5%; p < 0.0001). A prevalent maternal complication in cases was haemorrhage due to retained placenta. Most neonates were born alive with a higher proportion of cases experiencing perinatal complications such as respiratory distress, hypothermia and asphyxia. No significant differences in maternal age, employment status and immediate birth outcomes were found. Residing in informal settlements, higher gravidity, unplanned pregnancy, low birth weight and unbooked were found to predict the occurrence of BBAs. CONCLUSION: Although no significant numbers of mortalities were recorded in this study, service delivery interventions targeting the reduction of BBAs are needed so as to minimise the morbidity experienced by the group. PMID- 29197352 TI - Whole exome sequencing identifies TRIOBP pathogenic variants as a cause of post lingual bilateral moderate-to-severe sensorineural hearing loss. AB - BACKGROUND: Implementation of whole exome sequencing has provided unique opportunity for a wide screening of causative variants in genetically heterogeneous diseases, including nonsyndromic hearing impairment. TRIOBP in the inner ear is responsible for proper structure and function of stereocilia and is necessary for sound transduction. METHODS: Whole exome sequencing followed by Sanger sequencing was conducted on patients derived from Polish hearing loss family. RESULTS: Based on whole exome analysis, we identified two TRIOBP pathogenic variants (c.802_805delCAGG, p.Gln268Leufs*610 and c.5014G>T, p.Gly1672*, the first of which was novel) causative of nonsyndromic, peri- to postlingual, moderate-to-severe hearing loss in three siblings from a Polish family. Typically, TRIOBP pathogenic variants lead to prelingual, severe-to profound hearing loss, thus the onset and degree of hearing impairment in our patients represent a distinct phenotypic manifestation caused by TRIOBP variants. The pathogenic variant p.Gln268Leufs*610 disrupts the TRIOBP-4 and TRIOBP-5 isoforms (both expressed exclusively in the inner ear and retina) whereas the second pathogenic variant c.514G>T, p.Gly1672* affects only TRIOBP-5. CONCLUSIONS: The onset and degree of hearing impairment, characteristic for our patients, represent a unique phenotypic manifestation caused by TRIOBP pathogenic variants. Although TRIOBP alterations are not a frequent cause of hearing impairment, this gene should be thoroughly analyzed especially in patients with a postlingual hearing loss. A delayed onset of hearing impairment due to TRIOBP pathogenic variants creates a potential therapeutic window for future targeted therapies. PMID- 29197353 TI - Histone profiling reveals the H1.3 histone variant as a prognostic biomarker for pancreatic ductal adenocarcinoma. AB - BACKGROUND: Epigenetic alterations have been recognized as important contributors to the pathogenesis of PDAC. However, the role of histone variants in pancreatic tumor progression is still not completely understood. The aim of this study was to explore the expression and prognostic significance of histone protein variants in PDAC patients. METHODS: Liquid chromatography-tandem mass spectrometry (LC MS/MS) was employed for qualitative analysis of histone variants and histone related post-translational modifications (PTMs) in PDAC and normal pancreatic tissues. Survival analysis was conducted using the Kaplan-Meier method and Cox proportional hazards regression. RESULTS: Histone variant H1.3 was found to be differentially expressed (p = 0.005) and was selected as a PDAC specific histone variant candidate. The prognostic role of H1.3 was evaluated in an external cohort of patients with resected PDAC using immunohistochemistry. Intratumor expression of H1.3 was found to be an important risk factor for overall survival in PDAC, with an adjusted HR value of 2.6 (95% CI 1.1-6.1), p = 0.029. CONCLUSION: We suggest that the intratumor histone H1.3 expression as reported herein, may serve as a new epigenetic biomarker for PDAC. PMID- 29197354 TI - Prevalence of incidental breast cancer and precursor lesions in autopsy studies: a systematic review and meta-analysis. AB - BACKGROUND: Autopsy studies demonstrate the prevalence pool of incidental breast cancer in the population, but estimates are uncertain due to small numbers in any primary study. We aimed to conduct a systematic review of autopsy studies to estimate the prevalence of incidental breast cancer and precursors. METHODS: Relevant articles were identified through searching PubMed and Embase from inception up to April 2016, and backward and forward citations. We included autopsy studies of women with no history of breast pathology, which included systematic histological examination of at least one breast, and which allowed calculation of the prevalence of incidental breast cancer or precursor lesions. Data were pooled using logistic regression models with random intercepts (non linear mixed models). RESULTS: We included 13 studies from 1948 to 2010, contributing 2363 autopsies with 99 cases of incidental cancer or precursor lesions. More thorough histological examination (>=20 histological sections) was a strong predictor of incidental in-situ cancer and atypical hyperplasia (OR = 126.8 and 21.3 respectively, p < 0.001), but not invasive cancer (OR = 1.1, p = 0.75). The estimated mean prevalence of incidental cancer or precursor lesion was 19.5% (0.85% invasive cancer + 8.9% in-situ cancer + 9.8% atypical hyperplasia). CONCLUSION: Our systematic review in ten countries over six decades found that incidental detection of cancer in situ and breast cancer precursors is common in women not known to have breast disease during life. The large prevalence pool of undetected cancer in-situ and atypical hyperplasia in these autopsy studies suggests screening programs should be cautious about introducing more sensitive tests that may increase detection of these lesions. PMID- 29197355 TI - Extract of Ginkgo biloba exacerbates liver metastasis in a mouse colon cancer Xenograft model. AB - BACKGROUND: Metastasis refers to the spread of a primary tumor cell from the primary site to other locations in the body and it is generally associated with the severity of a tumor. Extract of Ginkgo biloba (EGb) contains various bioactive compounds and it exerts beneficial effects including improvements in brain function and reduced risk of cardiovascular diseases. On the other hand, increased risk of thyroid and liver cancers by EGb have been reported in animals. METHODS: A colon cancer metastasis model was established using intrasplenic injection of a human colon cancer cell line, SW620-luc in athymic mice to investigate the potential impact of EGb on colon cancer progression. After tumor establishment, EGb was intraperitonically injected daily for 5 wks. RESULTS: EGb significantly increased the rate of metastasis in mouse liver and decreased the number of necrotic and apoptotic cells in the metastatic liver when compared to the control. Meanwhile, EGb significantly induced proliferation of tumor cells in the metastatic liver, indicated by increased staining of Ki67 and H3S10p. mRNA expression of genes involved in cell cycle, metastasis, apoptosis, and oxidative stress were altered by EGb treatment in livers with tumors. Moreover, EGb activated the stress-responsive MAPK pathways in the liver with metastatic tumors. CONCLUSIONS: EGb exacerbated liver metastasis in a mouse colon cancer metastasis model. This is potentially due to the increased tumor cell proliferation involving stimulated MAPK pathways. PMID- 29197356 TI - Social and health outcomes following upgrades to a national housing standard: a multilevel analysis of a five-wave repeated cross-sectional survey. AB - BACKGROUND: While existing research indicates that housing improvements are associated with health improvements, less is known about the wider social and health benefits of meeting national housing standards, as well as those of their specific constituent measures. This study evaluates the impacts of a managed housing upgrade programme through a repeated cross-sectional survey design. METHODS: A five-wave repeated cross-sectional survey was conducted over a seven year period from 2009 to 2016 (n = 2075; n = 2219; n = 2015; n = 1991; and n = 1709, respectively). The study followed a managed upgrade programme designed to meet a national social housing standard over an extended period. The data were analysed from a multilevel perspective to take account of the time-dependent nature of the observations and differences in socio-demographic composition. RESULTS: The installation of the majority of individual housing measures (new windows and doors; boilers; kitchens; bathrooms; electrics; loft insulation; and cavity/external wall insulation) were associated with improvements in several social (housing suitability, satisfaction, and quality; thermal comfort and household finances) and health (mental, respiratory and general health) outcomes; and analyses showed relationships between the number of measures installed and the total amount invested on the one hand and the social and health outcomes on the other. There were however a few exceptions. Most notably, the installation of cavity wall insulation was associated with poorer health outcomes, and did not lead to better social outcomes. Also, no association was found between the number of measures installed and respiratory health. CONCLUSIONS: The study suggests that substantial housing investments through a managed upgrade programme may result in better social and health outcomes, and that the size of the improvements are proportionate to the number of measures installed and amount invested. However, there may be risks associated with specific measures; and more attention is needed for mechanical ventilation when upgrading energy efficiency of houses through fabric work. In addition to providing new evidence regarding the wider social and health outcomes, the study provides an analytical approach to evaluate upgrade programmes that are delivered over multiple years. PMID- 29197357 TI - Assessing the outcomes of HIV-infected persons receiving treatment for Kaposi sarcoma in Conakry-Guinea. AB - BACKGROUND: Medecins Sans Frontieres is supporting comprehensive HIV care and treatment for Kaposi Sarcoma (KS) in Guinea, where antiretroviral coverage is low and access to KS treatment is very limited. We aimed to evaluate treatment response and survival outcomes of epidemic KS in this setting. METHODS: Retrospective survival analysis of routinely collected clinical data of HIV infected patients with clinically diagnosed KS, receiving ART and chemotherapy consisting of a combination of bleomycin and vincristine at the Donka National Hospital in Conakry between 2012 and 2015. RESULTS: A total of 225 patients were enrolled for KS treatment within the three-year period. Late presentation with stage T1 disease was common (82.7%). At the end of a median of 8 cycles of chemotherapy (IQR: 2-12), complete remission was observed in 65 (28.9%), partial remission in 53 (23.6%), stable disease in 15 (6.7%) and unknown response for all 92 (40.9%) patients who dropped out of care. The chances of achieving complete remission doubled after each additional cycle of chemotherapy (aOR = 2.09 95% CI: 1.44-3.01) but were reduced by about two-thirds for each additional month delay between treatment and onset of KS (aOR = 0.31, 95% CI: 0.11-0.86). Treatment response was seriously compromised in patients with woody skin oedema (aOR = 0.05, 95% CI: 0.01-0.38) and those with prior chemotherapy (aOR = 0.21, 95% CI: 0.05-0.80). The median survival time was 7.6 months (95% CI: 5.9-9.8). Attrition from care was reduced by 22% for every additional cycle of chemotherapy administered (aH0R = 0.78, 95% CI: 0.71-0.84) and was lower in those with complete remission compared with those with partial or no response (aHR = 0.05, 95% CI: 0.007-0.43). CONCLUSION: There has been an increased access to KS treatment. The overall response rate is 52.4%, which is considered a satisfactory result. Poor outcomes were common and were largely due to late presentation and defaulting on treatment. Efforts towards early HIV/KS diagnosis and adherence to a full round of chemotherapy are needed for optimising outcomes. Newer drugs may be required for patients previously exposed to chemotherapy. PMID- 29197358 TI - The inhibitory effects of compound Muniziqi granule against B16 cells and harmine induced autophagy and apoptosis by inhibiting Akt/mTOR pathway. AB - BACKGROUND: Compound Muniziqi granule (MNZQ) is a multi-component herbal preparation and a popular traditional Uighur medicine used in China for treating endocrine disorder-induced acne, chloasma, dysmenorrhea, menopausal syndrome, and melanoma. Harmine presented in MNZQ has been confirmed potential anticancer effect on the B16 cells among others. The purpose of this study is to explore the inhibitory effects of MNZQ against B16 cells and mechanism of autophagy and apoptosis induced by harmine in B16 cells. METHODS: The cell viability was calculated by CCK8 assay. The in vitro tyrosinase activity was determined by spectrophotometry. The harmine-induced autophagy was demonstrated by electron microscopy and MDC staining. Flow cytometry was used to measure cell death and cell cycle distribution. All proteins expression was assessed by western blot. RESULTS: MNZQ and some herb extracts contained in preparation displayed inhibitory effects on B16 cells but without inhibition on mushroom tyrosinase compared with kojic acid. The formation of autophagosome was markedly induced by harmine with the accretion of LC3-II and the degeneration of p62 in B16 cells, which indicated that harmine was an autophagy inducer. Cell death and sub-G2 population suggested that harmine could induce cell death. Particularly, 3-MA, an autophagy inhibitor, was discovered to prevent harmine-induced decrease of the cell viability and cell cycle arrest on G2 phase, indicating that autophagy was vital to the cell death. In addition, the results indicated that harmine could inhibit the phosphorylation of Akt and mTOR, which might mediate autophagy. CONCLUSION: Harmine could induce autophagy and apoptosis by inhibiting Akt/mTOR pathway in B16 cells. Harmine might be a promising therapeutic agent for treatment of melanoma in MNZQ. PMID- 29197359 TI - Cultural adaptation and validity of the Malay version of the brief psychiatric rating scale (BPRS-M) among patients with schizophrenia in a psychiatric clinic. AB - BACKGROUND: This study evaluates the psychometric properties of the Malay version of the Brief Psychiatric Rating Scale (BPRS-M) among patients with schizophrenia in a psychiatric outpatient clinic. METHODS: Ninety-nine schizophrenia outpatients were administered the Malay version of the Brief Psychiatric Rating Scale (BPRS-M), Malay version of Positive and Negative Syndrome Scale (PANSS), Malay version of Calgary Depression Scale for Schizophrenia (CDSS) and Malay version of World Health Organization Quality of Life - Brief Version (WHOQOL BREF). RESULTS: An exploratory factor analysis (EFA) of BPRS-M produced a seven factor solution which accounted for 71.4% of the total variance. It exhibited fair internal consistency (Cronbach's alpha coefficient of 0.75). "Positive symptoms" and "Resistance" factors had association with unemployment and number of antipsychotics, positively correlated with PANSS but negatively correlated with WHOQOL-BREF. "Mood disturbance" factor correlated with lifetime history of suicide attempts, Malay version of CDSS and WHOQOL-BREF (psychological). Both "Negative symptoms" and "Activation" factors were associated with male, lower education, unemployment and positively correlated with Malay version of PANSS but negatively correlated with WHOQOL-BREF. CONCLUSIONS: The BPRS-M demonstrated promising psychometric properties in terms of dimensionality, reliability, and validity that generally justifies its use in routine clinical practice in Malaysia. PMID- 29197360 TI - Psychometric properties of the expanded prostate cancer index composite - 26 instrument in a cohort of radical prostatectomy patients: theoretical and practical examinations. AB - BACKGROUND: Recently, the Expanded Prostate Cancer Index Composite 26-item version (EPIC-26) was recommended for the assessment of adverse effects after the treatment of prostate cancer without clear reasons. This decision encouraged us to review the questionnaire development from the UCLA Prostate Cancer Index (UCLA PCI) to the EPIC-16 CP with a focus on psychometric properties. We also reviewed PubMed for papers concerning such properties of the EPIC-26 since 2012 (latest review in 2011). Finally, we examined the psychometric properties of the EPIC-26 in a sample of Norwegian males treated with robot-assisted laparoscopic prostatectomy (RALP). METHODS: This study used three methods: (1) Comparison of the content of the UCLA-PCI, EPIC-50, EPIC-26, and EPIC-16 CP; (2) Review of EPIC 26 and EPIC-16 CP papers in PubMed from 2012 to 2016, identifying papers reporting on the psychometric properties of these questionnaires; and (3) Psychometric examination of the EPIC-26 rating in 651 Norwegian men treated with RALP at a mean of 3.2 years post-surgery. RESULTS: The questionnaire development showed a significant increase in bother versus function items, and the EPIC-26 contains eight function and 18 bother items. Twelve papers concerning the EPIC-26 available on PubMed since 2012 support the psychometric properties of the EPIC 26. The Norwegian EPIC-26 findings supported the psychometric properties of the EPIC-26, but suggested six subdomains both by exploratory and confirmatory factor analyses. CONCLUSIONS: In general our examinations supported the adequate psychometric properties of the EPIC-26, although the factor structure, construct and predictive validity of the instrument should be examined further. PMID- 29197361 TI - Primary malignant melanoma of the esophagus treated with subtotal esophagectomy: a case report. AB - BACKGROUND: Primary malignant melanoma of the esophagus (PMME) is a rare disease with a poor prognosis. There are few reports of early-stage cases in which tumor invasion reached the lamina propria or muscularis mucosae, as in the present case. A standard treatment for early-stage PMME has not yet been established. The present study aimed to summarize previous reports and to discuss the indications for surgical treatment of early-stage primary malignant melanoma of the esophagus. CASE PRESENTATION: A 70-year-old woman with PMME was referred to our hospital. She underwent thoracoscopic and laparoscopic subtotal esophagectomy with lymphadenectomy. The resected specimen showed melanocytosis and junctional activity. Melanoma-specific antigens melan-A, S-100, and HMB45 were detected by immunohistochemical staining. The pathological diagnosis was pT1a-MM, pN0, pM0, and pStage IA. She remains alive without evidence of recurrence 39 months later. CONCLUSION: Subtotal esophagectomy with regional radical lymphadenectomy could be recommended to patients with early-stage primary malignant melanoma of the esophagus, and curative surgical resection could improve their prognosis. PMID- 29197362 TI - Evidence for the need for vision screening of school children in Turkey. AB - BACKGROUND: In many countries, access to general health and eye care is related to an individual's socioeconomic status (SES). We aimed to examine the prevalence of oculo-visual disorders in children in Istanbul Turkey, drawn from schools at SES extremes but geographically nearby. METHODS: Three school-based vision screenings (presenting distance visual acuity, cover test, eye assessment history, colour vision, gross stereopsis and non-cycloplegic autorefraction) were conducted on 81% of a potential 1014 primary-school children aged 4-10 years from two private (high SES) schools and a nearby government (low SES) school in central Istanbul. Prevalence of refractive errors and school-based differences were analysed using parametric statistics (ANOVA). The remaining oculo-visual aspects were compared using non-parametric tests. RESULTS: Of the 823 children with mean age 6.7 +/- 2.2 years, approximately 10% were referred for a full eye examination (8.2% and 16.3% of private/government schools respectively). Vision had not been previously examined in nearly 22% of private school children and 65% of government school children. Of all children, 94.5% were able to accurately identify the 6/9.5 [LogMAR 0.2] line of letters/shapes with each eye and 86.6% the 6/6 line [LogMAR 0], while 7.9% presented wearing spectacles, 3.8% had impaired colour vision, 1.5% had grossly impaired stereo-vision, 1.5% exhibited strabismus, 1.8% were suspected to have amblyopia and 0.5% had reduced acuity of likely organic origin. Of the 804 without strabismus, amblyopia or organic conditions, 6.0% were myopic <= - 0.50DS, 0.6% hyperopic >= + 2.00DS, 7.7% astigmatic >=1.00 DC and 6.2% anisometropic >=1.00DS. CONCLUSIONS: The results highlight the need for general vision screenings for all children prior to school entry given the varied and different pattern of visual problems associated with lifestyle differences in two populations raised in the same urban locale but drawn from different socioeconomic backgrounds. PMID- 29197363 TI - Metastatic retinoblastoma of the parotid and submandibular glands: a rare case report. AB - BACKGROUND: Retinoblastoma is the most common intraocular malignancy occurring in children. It can metastasize to the regional lymph nodes, central nervous system and distant organs usually the bones and bone marrow and very rarely to the soft tissue. Here, we report a case of unilateral retinoblastoma in a 4-year-old girl accompanied by a large metastasis of the parotid and submandibular glands that developed about 6 months previously and gradually increased in size 5 months after enucleation of the left eye. CASE PRESENTATION: A 4-year-old girl with a history of unilateral retinoblastoma presented with a large, painful and worsening mass (about 20 * 23 cm) of the left side of the neck. Following surgery, the orbital tumour was completely resected, and the large tumour invasion range in the left side of the neck was not resected completely. Histopathological examination revealed retinoblastoma of the orbit and the parotid and submandibular glands. After chemotherapy and additional local radiotherapy on the parotid and submandibular glands, the tumour was inactive and stable. CONCLUSIONS: Delayed detection and inappropriate management contribute to poor outcomes. Fundus examinations, education regarding the early signs of RB, and optimization of the therapeutic strategy for RB may play important roles in ocular health. PMID- 29197364 TI - Outcomes of Zika virus infection during pregnancy: contributions to the debate on the efficiency of cohort studies. AB - BACKGROUND: Zika infection during pregnancy (ZIKVP) is known to be associated with adverse outcomes. Studies on this matter involve both rare outcomes and rare exposures and methodological choices are not straightforward. Cohort studies will surely offer more robust evidences, but their efficiency must be enhanced. We aim to contribute to the debate on sample selection strategies in cohort studies to assess outcomes associated with ZKVP. A study can be statistically more efficient than another if its estimates are more accurate (precise and valid), even if the studies involve the same number of subjects. Sample size and specific design strategies can enhance or impair the statistical efficiency of a study, depending on how the subjects are distributed in subgroups pertinent to the analysis. In most ZIKVP cohort studies to date there is an a priori identification of the source population (pregnant women, regardless of their exposure status) which is then sampled or included in its entirety (census). Subsequently, the group of pregnant women is classified according to exposure (presence or absence of ZIKVP), respecting the exposed:unexposed ratio in the source population. We propose that the sample selection be done from the a priori identification of groups of pregnant women exposed and unexposed to ZIKVP. This method will allow for an oversampling (even 100%) of the pregnant women with ZKVP and a optimized sampling from the general population of pregnant women unexposed to ZIKVP, saving resources in the unexposed group and improving the expected number of incident cases (outcomes) overall. CONCLUSION: We hope that this proposal will broaden the methodological debate on the improvement of statistical power and protocol harmonization of cohort studies that aim to evaluate the association between Zika infection during pregnancy and outcomes for the offspring, as well as those with similar objectives. PMID- 29197365 TI - Prevalence of severe early childhood caries and associated socioeconomic and behavioral factors in Xinjiang, China: a cross-sectional study. AB - BACKGROUND: This study assessed the prevalence and severity of early childhood caries (ECC) and identified socioeconomic and behavioral correlates of the disease in preschool children living in Xinjiang. METHODS: For this cross sectional survey, 1727 children aged 3-5 years in Xinjiang were randomly recruited using a three-stage cluster sampling procedure. The "dmft" index according to the WHO 1997 criteria was used to assess ECC and severe ECC (S-ECC). A questionnaire was completed by caregivers. Variables included sociodemographic characteristics, dietary and oral hygiene behaviors, and access to dental services. The statistical associations of variables with ECC, S-ECC, and dmft were evaluated by univariate and multiple logistic regression analyses. RESULTS: The prevalence of ECC was 78.2% and that of S-ECC was 41.2%; mean dmft scores were 5.61 +/- 3.56 and 8.17 +/- 2.94, respectively. The prevalence of ECC was significantly higher in children from Ining (OR 2.747; 95% CI 2.033-3.713), those whose caregivers had caries (OR 1.78; 95% CI 1.245-2.547), those with a dental visit in the past (OR 2.023; 95% CI 1.429-2.865), and those whose parents had received instructions on oral health care (OR 2.171; 95% CI 1.44-3.272), and increased significantly at age 4 years (OR 2.09; 95% CI 1.506-2.901) and 5 years (OR 2.666; 95% CI 1.855-3.833) and in children who starting tooth brushing at a young age (OR 1.363; 95% CI 1.171-1.587), and decreased significantly in children with a more educated mother (OR 0.817; 95% CI 0.688-1), those from high-income families (OR 0.667; 95% CI 0.582-0.765), those with low consumption of sweets (OR 0.66; 95% CI 0.57-0.763), and those who seldom ate before sleep (OR 0.557; 95% CI 0.437-0.712). CONCLUSIONS: ECC and S-ECC remain a serious problem among preschool children in Xinjiang. Caries rates were associated with sociodemographic and behavioral factors, which could be modified by public health strategies, including protection of primary dentition, extension of insurance to cover oral preventive services, improvement of the oral health care system, and public health education. PMID- 29197366 TI - Characteristics and outcome in patients with non-specific symptoms and signs of cancer referred to a fast track cancer patient pathway; a retrospective cohort study. AB - BACKGROUND: In 2012 a new cancer patient pathway for patients with non-specific symptoms and signs of cancer (NSSC-CPP) was introduced in Denmark. Limited information is available about the patients referred to the NSSC-CPP and the investigational course. The aim was to describe the population and the investigational course, estimate the prevalence of cancer and one-year mortality, and identify factors associated with a subsequent cancer diagnosis in patients referred to the NSSC-CPP. METHOD: This cohort study included patients with at least one visit at the NSSC-CPP at North Zealand Hospital in Denmark (NOH) from October 1st 2013 to September 30th 2014. Data was based on retrospective reviews of the patient files. Logistic regression identified factors associated with a subsequent cancer diagnosis. Multivariate analyses were adjusted by age, gender, smoking status and alcohol consumption. Kaplan-Meier survival plots were made at one-year follow-up. RESULTS: Eight hundred twenty-five patients were included with a median age of 67 years, 47.4% were male. Prevalence of cancer within one year was 16.7% (138/825). 70.3% (97/138) were solid cancers and 29.7% (41/138) were haematological cancers. During the investigational course 76.7% went through advanced diagnostic imaging (ultrasound, CT, FDG-PET/CT or MRI). Anaemia (OR1.63 CI1.02-2.60), leucocytosis (OR 2.06 CI 1.34-3.15), thrombocytopenia (OR 4.13 CI 2.02-8.47) and elevated LDH (OR 1.64 CI 1.07-2.52) and CRP (OR 2.56 CI 1.66-3.95) were associated with a cancer diagnosis when adjusting for possible confounders. No single non-specific symptom was significantly associated with a cancer diagnosis. One-year mortality for those diagnosed with cancer was 44.2%. CONCLUSION: The prevalence of cancer matches that of another NSSC-CPP in Denmark. Deviations in basic biochemistry were associated with a higher probability of underlying cancer and could possibly raise the level of suspicion of malignancy among physicians. High one-year mortality was seen amongst patients diagnosed with cancer. PMID- 29197367 TI - Success and failure in narrowing the disability employment gap: comparing levels and trends across Europe 2002-2014. AB - BACKGROUND: International comparisons of the disability employment gap are an important driver of policy change. However, previous comparisons have used the European Union Statistics on Income and Living Conditions (EU-SILC), despite known comparability issues. We present new results from the higher-quality European Social Survey (ESS), compare these to EU-SILC and the EU Labour Force Survey (EU-LFS), and also examine trends in the disability employment gap in Europe over the financial crisis for the first time. METHODS: For cross-sectional comparisons of 25 countries, we use micro-data for ESS and EU-SILC for 2012 and compare these to published EU-LFS 2011 estimates. For trend analyses, we use seven biannual waves of ESS (2002-2014) with a total sample size of 182,195, and annual waves of EU-SILC (2004-2014) with a total sample size of 2,412,791. RESULTS: (i) Cross-sectional: countries that have smaller disability employment gaps in one survey tend to have smaller gaps in the other surveys. Nevertheless, there are some countries that perform badly on the lower-quality surveys but better in the higher-quality ESS. (ii) Trends: the disability employment gap appears to have declined in ESS by 4.9%, while no trend is observed in EU-SILC - but this has come alongside a rise in disability in ESS. CONCLUSIONS: There is a need for investment in disability measures that are more comparable over time/space. Nevertheless, it is clear to policymakers there are some countries that do consistently well across surveys and measures (Switzerland), and others that do badly (Hungary). PMID- 29197369 TI - Age related prevalence of hand osteoarthritis diagnosed by photography (HOASCORE). AB - BACKGROUND: Hand photography has been used in a number of studies to determine the presence and severity of hand osteoarthritis (HOA). The aim of this study was to present age and gender specific prevalences of HOA diagnosed by this method. METHODS: Six thousand three hundred forty three photographs (from 3676 females and 2667 males aged 40-96) were scored for hand osteoarthritis by a 0-3 grade (0 = no evidence of OA, 1 = possible OA, 2 = definite OA and 3 = severe OA) for each of the three main sites, distal interphalangeal joints (DIP), proximal interphalangeal joints (PIP) and thumb base (CMC1). An aggregate score of 0-9 was thus obtained (HOASCORE) to reflect the severity of HOA in each case. RESULTS: DIP joints were most commonly affected, followed by the thumb base and the PIP joints. Having definite DIP joint OA starts at a younger age compared with the other two sites, and there is a marked female preponderance in the age groups from 55 to 69, but after 70 the gender differences are less marked and the prevalence is fairly stable. PIP joint prevalence also indicates a female preponderance from 60 to 79. Thumb base OA has a more marked female preponderance and a rising prevalence thoughout life. The prevalence of individuals with no evidence of photographic OA (HOASCORE = 0) drops from 88% to 57% between the age categories 40-49 and 50-54 and decreased to 33% in the 70-74 age group with a slower decline after that age. DIP and PIP prevalence were strongly associated with each other with an OR of 16.6(12.8-21.5),p < 0.001 of having definite OA at the other site. This was less marked for the thumb base with an OR of 2.2(1.8 2.7, p < 0.001), and 2.7(2.0-3.5, p < 0.001) of having definite DIP or PIP HOA respectively. CONCLUSIONS: The prevalence of hand OA in DIP, PIP and thumb base joints obtained by the photographic HOASCORE method is higher in women and increases after the age of fifty. These results are in line with those obtained by clinical examination and radiography. The advantage of the method lies in easy applicability and low cost. PMID- 29197368 TI - An Asian traditional herbal complex containing Houttuynia cordata Thunb, Perilla frutescens Var. acuta and green tea stimulates hair growth in mice. AB - BACKGROUND: Houttuynia cordata Thunb (HC) is a traditional herbal medicine widely used in Asia for the treatment of patients with alopecia, usually in combination with other two herbal medicines (Perilla frutescens var. acuta (PFVA) and green tea (GT)). However, the effect of this herbal complex has not been clearly demonstrated. We sought to determine the hair growth-promoting effect of this herbal complex (HC, PFVA, and GT) in the animal model. METHODS: Six-week-old male C57BL/6 mice were randomly divided into four groups (negative control, finasteride (1 mg/kg) as a positive control, and two (200 and 400 mg/kg) concentrations of the herbal complex as experimental groups) and were fed its corresponding medications orally for 25 days. Hair growth was evaluated visually and microscopically. Western blot analysis for insulin-like growth factor (IGF)-1 and transforming growth factor (TGF)-beta1 was performed. RESULTS: The herbal complex exhibited hair growth-promoting activity in C57BL/6 mice. Grossly, the area of hair regrowth was 55.1 (+/-3.8) %, 70.2 (+/-6.3) % and 83.5 (+/-5.7) % in negative control, herbal complex 200 mg/kg and 400 mg/kg group, respectively. In histologic examination, the hair follicle count in deep subcutis was 2.6 (+/ 0.7), 5.8 (+/-0.7) and 8.6 (+/-1.2) and the diameter of hair follicles was 11.9 (+/-5.0) MUm, 17.4 (+/-3.9) MUm and 22.8 (+/-5.2) MUm in negative control, herbal complex 200 and 400 mg/kg group, respectively. The expression of IGF-1 was 0.14 (+/-0.01), 0.23 (+/-0.02) and 0.24 (+/-0.01) and the expression of TGF-beta1 was 0.26 (+/-0.01), 0.19 (+/-0.02) and 0.15 (+/-0.01) in negative control, the 200 and 400 mg/kg group, respectively. CONCLUSIONS: This data provides adequate preliminary experimental evidence to support the hair regeneration effect of this herbal complex. PMID- 29197370 TI - Tocolytic action and underlying mechanism of galetin 3,6-dimethyl ether on rat uterus. AB - BACKGROUND: Galetin 3,6-dimethyl ether (FGAL) is a flavonoid isolated from aerial parts of Piptadenia stipulacea. Previously, FGAL was shown to inhibit both carbachol- and oxytocin-induced phasic contractions in the rat uterus, which was more potent with oxytocin. Thus, in this study, we aimed to investigate the tocolytic action mechanism of FGAL on the rat uterus. METHODS: Segments of rat uterus ileum were suspended in organ bath containing modified Locke-Ringer solution at 32 degrees C, bubbled with carbogen mixture under a resting tension of 1 g. Isotonic contractions were registered using kymographs and isometric contractions using force transducer. RESULTS: FGAL was more potent in relaxing uterus pre-contracted with oxytocin than with KCl. Additionally, FGAL shifted oxytocin-induced cumulative contractions curves to the right in a non-parallel manner, with Emax reduction, indicating a pseudo-irreversible noncompetitive antagonism of oxytocin receptors (OTR) or a downstream pathway target. Moreover, FGAL shifted CaCl2-induced cumulative contraction curves to the right in a non parallel manner in depolarizing medium, nominally without Ca2+, with Emax reduction, suggesting the inhibition of Ca2+ influx through CaV. The relaxant potency of FGAL was reduced by CsCl, a non-selective K+ channel blocker, suggesting positive modulation of these channels. Furthermore, in presence of apamin, 4-aminopyridine, glibenclamide or 1 mM TEA+, the relaxant potency of FGAL was attenuated, indicating the participation of SKCa, KV, KATP and highlighting BKCa. Aminophylline, a non-selective phosphodiesterase (PDE) blocker, did not affect the FGAL relaxant potency, excluding the modulation of cyclic nucleotide PDEs pathway by FGAL. CONCLUSION: Tocolytic effect of FGAL on rat uterus occurs by pseudo-irreversible noncompetitive antagonism of OTR and activation of K+ channels, primarily BKCa, leading to calcium influx reduction through CaV. PMID- 29197372 TI - The choice that matters: the relative influence of socioeconomic status indicators on chronic back pain- a longitudinal study. AB - BACKGROUND: In health research, indicators of socioeconomic status (SES) are often used interchangeably and often lack theoretical foundation. This makes it difficult to compare results from different studies and to explore the relationship between SES and health outcomes. To aid researchers in choosing appropriate indicators of SES, this article proposes and tests a theory-based selection of SES indicators using chronic back pain as a health outcome. METHODS: Strength of relationship predictions were made using Brunner & Marmot's model of 'social determinants of health'. Subsequently, a longitudinal study was conducted with 66 patients receiving in-patient treatment for chronic back pain. Sociodemographic variables, four SES indicators (education, job position, income, multidimensional index) and back pain intensity and disability were obtained at baseline. Both pain dimensions were assessed again 6 months later. Using linear regression, the predictive strength of each SES indicator on pain intensity and disability was estimated and compared to the theory based prediction. RESULTS: Chronic back pain intensity was best predicted by the multidimensional index (beta = 0.31, p < 0.05), followed by job position (beta = 0.29, p < 0.05) and education (beta = -0.29, p < 0.05); whereas, income exerted no significant influence. Back pain disability was predicted strongest by education (beta = 0.30, p < 0.05) and job position (beta = 0.29, p < 0.05). Here, multidimensional index and income had no significant influence. CONCLUSIONS: The choice of SES indicators influences predictive power on both back pain dimensions, suggesting SES predictors cannot be used interchangeably. Therefore, researchers should carefully consider prior to each study which SES indicator to use. The introduced framework can be valuable in supporting this decision because it allows for a stable prediction of SES indicator influence and their hierarchy on a specific health outcomes. PMID- 29197371 TI - Partnering around cancer clinical trials (PACCT): study protocol for a randomized trial of a patient and physician communication intervention to increase minority accrual to prostate cancer clinical trials. AB - BACKGROUND: Cancer clinical trials are essential for testing new treatments and represent state-of-the-art cancer treatment, but only a small percentage of patients ever enroll in a trial. Under-enrollment is an even greater problem among minorities, particularly African Americans, representing a racial/ethnic disparity in cancer care. One understudied cause is patient-physician communication, which is often of poor quality during clinical interactions between African-American patients and non-African-American physicians. Partnering Around Cancer Clinical Trials (PACCT) involves a transdisciplinary theoretical model proposing that patient and physician individual attitudes and beliefs and their interpersonal communication during racially discordant clinical interactions influence outcomes related to patients' decisions to participate in a trial. The overall goal of the study is to test a multilevel intervention designed to increase rates at which African-American and White men with prostate cancer make an informed decision to participate in a clinical trial. METHODS/DESIGN: Data collection will occur at two NCI-designated comprehensive cancer centers. Participants include physicians who treat men with prostate cancer and their African-American and White patients who are potentially eligible for a clinical trial. The study uses two distinct research designs to evaluate the effects of two behavioral interventions, one focused on patients and the other on physicians. The primary goal is to increase the number of patients who decide to enroll in a trial; secondary goals include increasing rates of physician trial offers, improving the quality of patient-physician communication during video recorded clinical interactions in which trials may be discussed, improving patients' understanding of trials offered, and increasing the number of patients who actually enroll. Aims are to 1) determine the independent and combined effects of the two interventions on outcomes; 2) compare the effects of the interventions on African-American versus White men; and 3) examine the extent to which patient-physician communication mediates the effect of the interventions on the outcomes. DISCUSSION: PACCT has the potential to identify ways to increase clinical trial rates in a diverse patient population. The research can also improve access to high quality clinical care for African American men bearing the disproportionate burden of disparities in prostate and other cancers. TRIAL REGISTRATION: Clinical Trials.gov registration number: NCT02906241 (September 8, 2016). PMID- 29197373 TI - Health-related quality of life in long-term survivors of unresectable locally advanced non-small cell lung cancer. AB - BACKGROUND: Heath-related quality of life (HRQoL) among survivors with unresectable locally-advanced non-small cell lung cancer (LA-NSCLC) treated with radiotherapy and chemotherapy still is not clear. The current study were performed to determine HRQoL for long-term survivors with unresectable LA-NSCLC and to identify risk factors for poor HRQoL. METHODS: Among patients with LA NSCLC receiving radiotherapy and chemotherapy between January 2006 and December 2010, 82 long-term survivors beyond 5 years were identified in this cross sectional study. The European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ)-C30 and the lung cancer-specific questionnaire QLQ-LC13 were employed to gather information on HRQoL. HRQoL scores were compared between different subgroups to analyze factors related to HRQoL. RESULTS: Fifty-five out of 82 (67%) long-term survivors completed the HRQoL survey. They reported a mild reduction in global health status and physical and emotional functioning. Fatigue, dyspnea, coughing, and financial difficulties ranked the highest scores in the symptom scales. Analysis of risk factors for HRQoL showed age, exercise, smoking status, and treatment regimen were associated with global health status and functional scores, while age, gender, radiation pneumonitis, weight loss, and exercise were associated with symptom scores. CONCLUSIONS: This study provides the first description of the HRQoL of long-term LA-NSCLC survivors receiving radiotherapy and chemotherapy who may experience a relatively high HRQoL. Factors related to poorer HRQoL are potential targets for intervention. PMID- 29197374 TI - Prevalence and associated factors of strabismus in former preterm and full-term infants between 4 and 10 Years of age. AB - BACKGROUND: Limited data exist collating most of the associated factors for strabismus in one analysis. The aim of this study was to assess the prevalence of strabismus and to analyse associated factors in former preterm and full-term infants. METHODS: In this cross-sectional study, 239 former preterm infants with gestational age (GA) <= 32 weeks and 264 former full-term born infants with GA >= 37 weeks underwent detailed ophthalmologic examination in the age of 4-10 years and perinatal data assessment for risk factor analysis. Ophthalmologic examinations included cover testing, best corrected visual acuity, cycloplegic objective refraction, slit lamp as well as fundus examinations. For association analysis with strabismus, the following data was collected and included in multivariable analysis: sex, age at examination, anisometropia, myopic and hyperopic refractive error (>= 3 dioptres), astigmatism, birth weight percentile, gestational age, retinopathy of prematurity occurrence, maternal age at childbirth, mother smoking, breastfeeding < 3 months, artificial ventilation, intraventricular bleeding, and other perinatal adverse events. RESULTS: Overall, 4/264 (2%) full-term infants, 15/125 (12%) preterm-infants with GA 29-32 weeks without ROP, 13/59 (22%) preterm infants with GA <= 28 weeks without ROP and 14/55 (26%) with GA <= 32 weeks with retinopathy of prematurity were affected by strabismus. In the multivariable regression model strabismus was associated with GA (OR = 0.84 per week; p = 0.001), hyperopic refractive error (OR = 4.22; p = 0.002) and astigmatism (OR = 1.68; p = 0.02). CONCLUSION: This investigation highlights that low gestational age and refraction of the eye are independent risk factors for strabismus, while the other factors show less independent influence. PMID- 29197375 TI - Life satisfaction and longitudinal changes in physical activity, diabetes and obesity among patients with cardiovascular diseases. AB - BACKGROUND: Patients with cardiovascular disease who underwent coronary angiography at the National Institute of Cardiac Surgery and Cardiological Intervention (INCCI) in Luxembourg were surveyed for cardiovascular risk factors (CVRF) (hypertension, hypercholesterolemia, diabetes, obesity, physical inactivity, tobacco consumption). In 2013/14, their life satisfaction (LS) was also assessed. Our aim was to analyse the relationships between LS on one hand and longitudinal changes in CVRF between 2008/09 and 2013/14 and socioeconomic factors on the other. METHODS: 1289 patients completed a self-administered questionnaire. Life Satisfaction, originally recorded on a 1 to 10 scale of complete satisfaction was dichotomized into two groups: <= 7 and. >7. We then performed logistic multiple regressions. The event on which the probability was modelled, was LS > 7. Data were adjusted on age, sex and income. Longitudinal changes in CVRF were assessed by their presence or absence in 2008/09 and 2013/14 (categories: 'no-no'; 'no-yes'; 'yes-no'; 'yes-yes'). RESULTS: Physical activity in 2008/09 and 2013/14 was associated with a lower LS (OR = 0.469). The same pattern was observed for obesity and physical inactivity: lower LS was related to the presence of these risks (yes-yes; no-yes) in 2013/14 (mean OR for obesity and physical inactivity in 2013/14: 0.587 and 0.485 respectively), whereas their presence or absence in 2008/09 was not related to LS. Finally, patients who suffered from diabetes in 2008 were more likely to experience a decline in LS, particularly if their diabetes was less severe in 2013/14 (OR = 0.462). CONCLUSIONS: The lowest LS was observed when obesity or physical inactivity was present in 2013/14, newly or otherwise. The same trend was seen in diabetes among patients who had it in 2008/9, but were less severely affected in 2013/14. In secondary prevention, CVD-related upheavals could be minimised if professionals and patients became 'Partners in Healthcare' to better adhere to healthy lifestyles, as well as to reduce CVRF, and thereby enhance LS. PMID- 29197376 TI - Development and testing of the KERNset: an instrument to assess the quality of telephone triage in out-of-hours primary care services. AB - BACKGROUND: Telephone triage is a core but vulnerable part of the care process at out-of-hours general practitioner (GP) cooperatives. In the Netherlands, different instruments have been used for assessing the quality of telephone triage. These instruments focussed mainly on communicational aspects, and less on the medical quality of triage decisions. Our aim was to develop and test a minimum set of items to assess the quality of telephone triage. METHODS: A national survey among all GP cooperatives in the Netherlands was performed to examine the most important aspects of telephone triage. Next, corresponding items from existing instruments were searched on these topics. Subsequently, an expert panel judged these items on importance, completeness and formulation. The concept KERNset consisted of 24 items about the telephone conversation: 13 medical, ten communicational and one regarding both types. It was pilot tested on measurement characteristics, reliability, validity and variation between triagists. In this pilot study, 114 anonymous calls from four GP cooperatives spread across the Netherlands were judged by three out of eight raters, both internal and external raters. RESULTS: Cronbach's alpha was .94 for the medical items and .75 for the communicational items. Inter-rater reliability: complete agreement between the external raters was 45% and reasonable agreement 73% (difference of maximally one point on the five-point scale). Intra-rater reliability: complete agreement within raters was 55% and reasonable agreement 84%. There were hardly any differences between internal and external raters, but there were differences in strictness between individual raters. The construct validity was confirmed by the high correlation between the general impression of the call and the items of the KERNset. Of the differences within items 19% could be explained by differences between triage nurses, which means the KERNset is able to demonstrate differences between triage nurses. CONCLUSIONS: The KERNset can be used to assess the quality of telephone triage. The validity is good and differences between calls and between triage nurses can be measured. A more intensive training for raters could improve the reliability. PMID- 29197377 TI - Regulation of TERRA on telomeric and mitochondrial functions in IPF pathogenesis. AB - BACKGROUND: Aging is a known risk factor of idiopathic pulmonary fibrosis (IPF). However, the pathogenic mechanisms underlying the effects of advanced aging remain largely unknown. Telomeric repeat-containing RNA (TERRA) represents a type of long noncoding RNA. In this study, the regulatory roles of TERRA on human telomeres and mitochondria and IPF epithelial injury model were identified. METHODS: Blood samples were collected from patients with IPF (n = 24) and matched control individuals (n = 24). The significance of clinical research on the TERRA expression correlated with pulmonary fibrosis was assessed. The expression levels of TERRA in vivo and in vitro were determined through quantitative real-time polymerase chain reaction analysis. Telomerase activity was observed using a fluorescent quantitative TRAP assay kit. The functions of telomeres, mitochondria, and associated genes were analyzed through RNA interference on TERRA. RESULTS: TERRA expression levels significantly increased in the peripheral blood mononuclear cells of IPF patients. The expression levels also exhibited a direct and significantly inverse correlation with the percentage of predicted force vital capacity, which is a physiological indicator of fibrogenesis during IPF progression. This finding was confirmed in the epithelial injury model of IPF in vitro. RNA interference on TERRA expression can ameliorate the functions of telomeres; mitochondria; associated genes; components associated with telomeres, such as telomerase reverse transcriptase, telomerase, and cell nuclear antigen, cyclin D1; and mitochondria-associated cyclin E genes, including the MMP and Bcl 2 family. The RNA interference on TERRA expression can also improve the functions of oxidative-stress-associated genes, such as reactive oxygen species, superoxide dismutase, and catalase, and apoptosis-related genes, such as cytochrome c, caspase-9, and caspase-3. CONCLUSIONS: In this study, the regulation of TERRA expression on telomeres and mitochondria during IPF pathogenesis was identified for the first time. The results may provide valuable insights for the discovery of a novel biomarker or therapeutic approach for IPF treatment. PMID- 29197378 TI - Informed consent for clinical treatment in low-income setting: evaluating the relationship between satisfying consent and extent of recall of consent information. AB - BACKGROUND: Treatment informed consent aims to preserve the autonomy of patients in the clinician - patient relationship so as to ensure valid consent. An acceptable method of evaluating understanding of consent information is by assessing the extent of recall by patients of the pieces information believed to have been passed across. When concerns are not satisfactorily addressed from the patients' perspective, recall of consent information may be low. METHODS: This study is a questionnaire - based cross - sectional interview of consecutive adult surgical patients who could give their respective medical histories and who were booked for elective major surgical procedures over a period of 7 months in a tertiary health institution in southeastern Nigeria. Four to five days after a formal consent session, during ward admission, extent of recall of information on the nature of the disease condition or diagnosis, the nature of the planned procedure and the risks involved in the planned procedure were assessed and analyzed on the background of how satisfying the consent sessions were from individual patient's perspective. RESULTS: Generally, the recall of nature of disease condition and nature of planned procedure is better than recall of risks involved in the planned procedure. More specifically however, recall in these 3 domains is significantly better among the patients that affirmed that their concerns were satisfactorily addressed. CONCLUSION: The findings from this study support that no effort should be spared in ensuring that the consent information are satisfying to the patients from the patients' viewpoint. PMID- 29197380 TI - A time-course microarray data analysis reveals consistent dysregulated genes and upstream microRNAs in autoantibody-mediated arthritis. AB - BACKGROUND: The purpose of this study is to identify key genes and microRNAs (miRNAs) involved in autoantibody-mediated arthritis (AMA). METHODS: A time course microarray data (ID: GSE27492) of peripheral blood leukocytes, ankle tissue, and synovial fluid from K/BxN mouse serum-transferred mice were downloaded from Gene Expression Omnibus. Those samples were collected at days 0, 1, 3, 7, 12, and 18 after serum injection. Limma of R was employed to identify differentially expressed genes (DEGs) in samples collected at days 1-18 compared with those collected at day 0. Consistent DEGs were obtained by taking the interaction of DEGs from different time points, followed by functional enrichment analysis. MiRNAs were screened out and constructed into regulatory network with DEGs using Cytoscape. RESULTS: In total, 17 consistent DEGs were obtained, including downregulated Ephx1 and upregulated AF251705, Adam8, Arg1, Basp1, Ccl2, Ccl7, Ccl9, Ccr2, Clec4a2, Clec4d, Cxcl1, Fabp5, Fcgr1, Gp49a, Il1rn, and Saa3. Those DEGs were associated with biological processes of immune response, inflammatory response, and defense response; chemokine signaling pathway; cytokine-cytokine receptor interaction; and NOD-like receptor signaling pathway. Additionally, 202 miRNAs were identified to have a regulatory effect on 9 of the 17 DEGs. Notably, miR-944, miR-374a, and miR374b were found to regulate the expression of Cxcl1, Ccl7, and Ccl2. Clec4d was targeted by 78 miRNAs. CONCLUSIONS: Our study reveals that 17 DEGs and 202 miRNAs may be associated with autoimmune disorder in the progression of AMA, which could guide future researches. PMID- 29197381 TI - Cross-cultural validation and psychometric testing of the Norwegian version of the TeamSTEPPS(r) teamwork perceptions questionnaire. AB - BACKGROUND: Teamwork is an integrated part of today's specialized and complex healthcare and essential to patient safety, and is considered as a core competency to improve twenty-first century healthcare. Teamwork measurements and evaluations show promising results to promote good team performance, and are recommended for identifying areas for improvement. The validated TeamSTEPPS(r) Teamwork Perception Questionnaire (T-TPQ) was found suitable for cross-cultural validation and testing in a Norwegian context. T-TPQ is a self-report survey that examines five dimensions of perception of teamwork within healthcare settings. The aim of the study was to translate and cross-validate the T-TPQ into Norwegian, and test the questionnaire for psychometric properties among healthcare personnel. METHODS: The T-TPQ was translated and adapted to a Norwegian context according to a model of a back-translation process. A total of 247 healthcare personnel representing different professionals and hospital settings responded to the questionnaire. A confirmatory factor analysis was carried out to test the factor structure. Cronbach's alpha was used to establish internal consistency, and an Intraclass Correlation Coefficient was used to assess the test - retest reliability. RESULT: A confirmatory factor analysis showed an acceptable fitting model (chi2 (df) 969.46 (546), p < 0.001, Root Mean Square Error of Approximation (RMSEA) = 0.056, Tucker-Lewis Index (TLI) = 0.88, Comparative fit index (CFI) = 0.89, which indicates that each set of the items that was supposed to accompany each teamwork dimension clearly represents that specific construct. The Cronbach's alpha demonstrated acceptable values on the five subscales (0.786-0.844), and test-retest showed a reliability parameter, with Intraclass Correlation Coefficient scores from 0.672 to 0.852. CONCLUSION: The Norwegian version of T-TPQ was considered to be acceptable regarding the validity and reliability for measuring Norwegian individual healthcare personnel's perception of group level teamwork within their unit. However, it needs to be further tested, preferably in a larger sample and in different clinical settings. PMID- 29197379 TI - Factors involved in cancer metastasis: a better understanding to "seed and soil" hypothesis. AB - Metastasis has intrigued researchers for more than 100 years. Despite the development of technologies and therapeutic strategies, metastasis is still the major cause of cancer-related death until today. The famous "seed and soil" hypothesis is widely cited and accepted, and it still provides significant instructions in cancer research until today. To our knowledge, there are few reviews that comprehensively and correlatively focus on both the seed and soil factors involved in cancer metastasis; moreover, despite the fact that increasingly underlying mechanisms and concepts have been defined recently, previous perspectives are appealing but may be limited. Hence, we reviewed factors involved in cancer metastasis, including both seed and soil factors. By integrating new concepts with the classic hypothesis, we aim to provide a comprehensive understanding of the "seed and soil" hypothesis and to conceptualize the framework for understanding factors involved in cancer metastasis. Based on a dynamic overview of this field, we also discuss potential implications for future research and clinical therapeutic strategies. PMID- 29197382 TI - Beyond quality improvement: exploring why primary care teams engage in a voluntary audit and feedback program. AB - BACKGROUND: Despite its popularity, the effectiveness of audit and feedback in support quality improvement efforts is mixed. While audit and feedback-related research efforts have investigated issues relating to feedback design and delivery, little attention has been directed towards factors which motivate interest and engagement with feedback interventions. This study explored the motivating factors that drove primary care teams to participate in a voluntary audit and feedback initiative. METHODS: Interviews were conducted with leaders of primary care teams who had participated in at least one iteration of the audit and feedback program. This intervention was developed by an organization which advocates for high-quality, team-based primary care in Ontario, Canada. Interview transcripts were coded using the Consolidated Framework for Implementation Research and the resulting framework was analyzed inductively to generate key themes. RESULTS: Interviews were completed with 25 individuals from 18 primary care teams across Ontario. The majority were Executive Directors (14), Physician leaders (3) and support staff for Quality Improvement (4). A range of motivations for participating in the audit and feedback program beyond quality improvement were emphasized. Primarily, informants believed that the program would eventually become a best-in-class audit and feedback initiative. This reflected concerns regarding existing initiatives in terms of the intervention components and intentions as well as the perception that an initiative by primary care, for primary care would better reflect their own goals and better support desired patient outcomes. Key enablers included perceived obligations to engage and provision of support for the work involved. No teams cited an evidence base for A&F as a motivating factor for participation. CONCLUSIONS: A range of motivating factors, beyond quality improvement, contributed to participation in the audit and feedback program. Findings from this study highlight that efforts to understand how and when the intervention works best cannot be limited to factors within developers' control. Clinical teams may more readily engage with initiatives with the potential to address their own long-term system goals. Aligning motivations for participation with the goals of the audit and feedback initiative may facilitate both engagement and impact. PMID- 29197383 TI - Analysis of population-level determinants of legionellosis: spatial and geovisual methods for enhancing classification of high-risk areas. AB - BACKGROUND: Although the incidence of legionellosis throughout North America and Europe continues to increase, public health investigations have not been able to identify a common exposure in most cases. Over 80% of cases are sporadic with no known source. To better understand the role of the macro-environment in legionellosis risk, a retrospective ecological study assessed associations between population-level measures of demographic, socioeconomic, and environmental factors and high-risk areas. METHODS: Geographic variability and clustering of legionellosis was explored in our study setting using the following methods: unadjusted and standardized incidence rate and SaTScanTM cluster detection methods using default scanning window of 1 and 50% as well as a reliability score methodology. Methods for classification of "high-risk" census tracts (areas roughly equivalent to a neighborhood with average population of 4000) for each of the spatial methods are presented. Univariate and multivariate logistic regression analyses were used to estimate associations with sociodemographic factors: population >= 65 years of age, non-white race, Hispanic ethnicity, poverty, less than or some high school education; housing factors: housing vacant, renter-occupied, and built pre-1950 and pre-1970; and whether drinking water is groundwater or surface water source. RESULTS: Census tracts with high percentages of poverty, Hispanic population, and non-white population were more likely to be classified as high-risk for legionellosis versus a low risk census tract. Vacant housing, renter-occupied housing, and homes built pre 1970 were also important positively associated risk factors. Drinking water source was not found to be associated with legionellosis incidence. DISCUSSION: Census tract level demographic, socioeconomic, and environmental characteristics are important risk factors of legionellosis and add to our understanding of the macro-environment for legionellosis occurrence. Our findings can be used by public health professionals to target disease prevention communication to vulnerable populations. Future studies are needed to explore the exact mechanisms by which these risk factors may influence legionellosis clustering. PMID- 29197384 TI - Involvement of the bone morphogenic protein/SMAD signaling pathway in the etiology of congenital anomalies of the kidney and urinary tract accompanied by cryptorchidism. AB - BACKGROUND: Congenital anomalies of the kidney and urinary tract (CAKUT), such as renal dysplasia, hydronephrosis, or vesicoureteral reflux, are the most common causes of end-stage renal disease. However, the genetic etiology of CAKUT remains unclear. In this study, we performed whole exome sequencing (WES) to elucidate the genetic etiology of symptomatic CAKUT and CAKUT accompanied by cryptorchidism. METHODS: Three patients with unilateral renal dysplasia accompanied by ipsilateral cryptorchidism were included in this analysis. Genomic DNA was extracted from peripheral blood, and WES was performed. Disease-specific single nucleotide polymorphisms (SNPs) were determined by comparison with the human genome reference sequence (hg19). Additionally, we searched for SNPs that were common to all three patients, with a particular focus on the coding regions of the target genes. RESULTS: In total, 8710 SNPs were detected. Of the genes harboring these SNPs, 32 associated with renal or testicular development were selected for further analyses. Of these, eight genes (i.e., SMAD4, ITGA8, GRIP1, FREM1, FREM2, TNXB, BMP8B, and SALL1) carried a single amino acid substitution that was common to all three patients. In particular, SNPs in SMAD4 (His290Pro and His291Pro) have not been reported previously in patients with symptomatic CAKUT. Of the candidate genes, four genes (i.e., ITGA8, GRIP1, FREM1, and FREM2) were Fraser syndrome-related genes, encoding proteins that functionally converged on the glial cell-derived neurotrophic factor/RET/bone morphogenic protein (BMP) signaling pathways. As another candidate gene, the protein encoded by BMP8B activates the nuclear translocation of SMAD4, which regulates the expression of genes associated with the differentiation of primordial germ cells or testicular development. Additionally, BMP4, a member of the BMP family, regulates the interaction between metanephric mesenchyme and ureteric buds by suppressing GDNF. CONCLUSIONS: Taken together, our findings suggested that the development of the kidney and urinary tract is intimately linked with that of male reproductive organs via BMP/SMAD signaling pathways. PMID- 29197385 TI - Qualitative evaluation of trauma delays in road traffic injury patients in Maringa, Brazil. AB - BACKGROUND: Road traffic injuries (RTIs) are the eighth leading cause of death worldwide, with an estimated 90% of RTIs occurring in low- and middle-income countries (LMICs) like Brazil. There has been minimal research in evaluation of delays in transport of RTI patients to trauma centers in LMICs. The objective of this study is to determine specific causes of delays in prehospital transport of road traffic injury patients to designated trauma centers in Maringa, Brazil. METHODS: A qualitative method was used based on the Consolidated Criteria for Reporting Qualitative Research (COREQ) approach. Eleven health care providers employed at prehospital or hospital settings were interviewed with questions specific to delays in care for RTI patients. A thematic analysis was conducted. RESULTS: Responses to primary causes of delay in treatment to RTI patients fell into the following categories: 1) lack of public education, 2) traffic, 3) insufficient personnel/ambulances, 4) bureaucracy, and 5) poor location of stations. Suggestions for improvement in delays fell into the categories of 1) need for centralized station/avoid traffic, 2) improving public education, 3) Increase personnel, 4) increase ambulances, 5) proper extrication/rapid treatment. CONCLUSION: Our study found varied responses between hospital and SAMU providers regarding specific causes of delay for RTI patients; SAMU providers cited primarily traffic, bureaucracy, and poor location as primary factors while hospital employees focused more on public health aspects. These results mirror prehospital system challenges in other developing countries, but also provide solutions for improvement with better infrastructure and public health campaigns. PMID- 29197386 TI - Cost analysis of two community-based HIV testing service modalities led by a Non Governmental Organization in Cape Town, South Africa. AB - BACKGROUND: In South Africa, the financing and sustainability of HIV services is a priority. Community-based HIV testing services (CB-HTS) play a vital role in diagnosis and linkage to HIV care for those least likely to utilise government health services. With insufficient estimates of the costs associated with CB-HTS provided by NGOs in South Africa, this cost analysis explored the cost to implement and provide services at two NGO-led CB-HTS modalities and calculated the costs associated with realizing key HIV outputs for each CB-HTS modality. METHODS: The study took place in a peri-urban area where CB-HTS were provided from a stand-alone centre and mobile service. Using a service provider (NGO) perspective, all inputs were allocated by HTS modality with shared costs apportioned according to client volume or personnel time. We calculated the total cost of each HTS modality and the cost categories (personnel, capital and recurring goods/services) across each HTS modality. Costs were divided into seven pre-determined project components, used to examine cost drivers. HIV outputs were analysed for each HTS modality and the mean cost for each HIV output was calculated per HTS modality. RESULTS: The annual cost of the stand-alone and mobile modalities was $96,616 and $77,764 respectively, with personnel costs accounting for 54% of the total costs at the stand-alone. For project components, overheads and service provision made up the majority of the costs. The mean cost per person tested at stand-alone ($51) was higher than at the mobile ($25). Linkage to care cost at the stand-alone ($1039) was lower than the mobile ($2102). CONCLUSIONS: This study provides insight into the cost of an NGO led CB HTS project providing HIV testing and linkage to care through two CB-HIV testing modalities. The study highlights; (1) the importance of including all applicable costs (including overheads) to ensure an accurate cost estimate that is representative of the full service implementation cost, (2) the direct link between test uptake and mean cost per person tested, and (3) the need for effective linkage to care strategies to increase linkage and thereby reduce the mean cost per person linked to HIV care. PMID- 29197387 TI - Liraglutide and Metformin alone or combined therapy for type 2 diabetes patients complicated with coronary artery disease. AB - BACKGROUND: This study is to compare the effects of Liraglutide and Metformin alone or combined treatment on the cardiac function in T2DM patients complicated with CAD. METHODS: 120 T2DM patients were included at Endocrinology Department of Tianjin First Center Hospital (Tianjin, China) from April 2012 to September 2013. The study contained two sections. Section 1: 30 patients in group 1 was treated with Liraglutide (Novo Nordisk) (1.2 mg/d), and 30 patients in group 2 with Metformin (Shiguibao) (1500 mg/d) for 24 weeks. Section 2: 30 patients in group1 was treated with Liraglutide (1.8 mg/d) and 30 in group 2 with Liraglutide (1.2 mg/d) plus Metformin (1500 mg/d) for 24 weeks. Fasting blood glucose (FBG), postprandial glucose (PPG), glycated hemoglobin (HbA1c), body mass index (BMI), blood pressure (BP), triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), C reactive protein (CRP), left ventricular end diastolic diameter (LVEDD), ejection fraction (EF) and the ratio of early (E) to late (A) ventricular filling velocities (E/A ratio) were measured before and after the 24-week treatment. RESULTS: After 24-week treatment, when blood glucose level was controlled in 4 groups, Liraglutide alone treatment showed better improvements than on all measuring except TG in Section 1, however, combined treatment of Liraglutide and Metformin showed better improvements on all measuring except BMI, TG and BP in Section 2. CONCLUSIONS: With similar glycemic control, the Liraglutide (1.2 mg/d) monotherapy showed the better effects than either Metformin alone, or combination of Liraglutide and Metformin on lipid metabolism and cardiovascular function. TRIAL REGISTRATION: This trial was registered at Chinese Clinical Trial Registry ( chictr.org.cn ) # ChiCTR-IPR 16008578 . PMID- 29197388 TI - Spontaneous hemothorax caused by ruptured multiple mycotic aortic aneurysms: a case report and literature review. AB - BACKGROUND: Mycotic aortic aneurysm (MAA) is a rare clinical entity with an incidence of 1-3%, but it is a life-threatening infection of aorta characterized by dilatation of aorta with false lumen. Multiple MAAs have been reported rarely with an incidence of 0.03% and associated with a high mortality rate of 80% if ruptured. CASE PRESENTATION: A hypertensive and diabetic 78-year-old man visited our emergency department complaining intermittent dull and tingled pain over the left flank region for 1 week. Chest X-ray showed left pleural effusion and hemothorax was confirmed by thoracocentesis. Computed tomography (CT) of chest demonstrated multiple thoracic aortic aneurysms and the pathological findings disclosed the diagnosis of multiple MAAs. He was discharged under an uneventful condition post-surgical aortic repair with adequate intravenous antibiotics for 4 weeks. CONCLUSIONS: CT scan may make a definite diagnosis of multiple MAAs and management with surgical debridement, aortic repair and full-course antibiotics for Gram-positive coccus and/or Gram-negative bacillus is recommended. PMID- 29197389 TI - Foamy virus zoonotic infections. AB - BACKGROUND: Foamy viruses (FV) are ancient complex retroviruses that differ from orthoretroviruses such as human immunodeficiency virus (HIV) and murine leukemia virus (MLV) and comprise a distinct subfamily of retroviruses, the Spumaretrovirinae. FV are ubiquitous in their natural hosts, which include cows, cats, and nonhuman primates (NHP). FV are transmitted mainly through saliva and appear nonpathogenic by themselves, but they may increase morbidity of other pathogens in coinfections. CONCLUSIONS: This review summarizes and discusses what is known about FV infection of natural hosts. It also emphasizes what is known about FV zoonotic infections A large number of studies have revealed that the FV of NHP, simian foamy viruses (SFV), are transmitted to humans who interact with infected NHP. SFV from a variety of NHP establish persistent infection in humans, while bovine foamy virus and feline foamy virus rarely or never do. The possibility of FV recombination and mutation leading to pathogenesis is considered. Since humans can be infected by SFV, a seemingly nonpathogenic virus, there is interest in using SFV vectors for human gene therapy. In this regard, detailed understanding of zoonotic SFV infection is highly relevant. PMID- 29197390 TI - Evaluation of B1 inhomogeneity effect on DCE-MRI data analysis of brain tumor patients at 3T. AB - BACKGROUND: Dynamic-contrast-enhanced (DCE) MRI data acquired using gradient echo based sequences is affected by errors in flip angle (FA) due to transmit B1 inhomogeneity (B1inh). The purpose of the study was to evaluate the effect of B1inh on quantitative analysis of DCE-MRI data of human brain tumor patients and to evaluate the clinical significance of B1inh correction of perfusion parameters (PPs) on tumor grading. METHODS: An MRI study was conducted on 35 glioma patients at 3T. The patients had histologically confirmed glioma with 23 high-grade (HG) and 12 low-grade (LG). Data for B1-mapping, T1-mapping and DCE-MRI were acquired. Relative B1 maps (B1rel) were generated using the saturated-double-angle method. T1-maps were computed using the variable flip-angle method. Post-processing was performed for conversion of signal-intensity time (S(t)) curve to concentration time (C(t)) curve followed by tracer kinetic analysis (Ktrans, Ve, Vp, Kep) and first pass analysis (CBV, CBF) using the general tracer-kinetic model. DCE-MRI data was analyzed without and with B1inh correction and errors in PPs were computed. Receiver-operating-characteristic (ROC) analysis was performed on HG and LG patients. Simulations were carried out to understand the effect of B1 inhomogeneity on DCE-MRI data analysis in a systematic way. S(t) curves mimicking those in tumor tissue, were generated and FA errors were introduced followed by error analysis of PPs. Dependence of FA-based errors on the concentration of contrast agent and on the duration of DCE-MRI data was also studied. Simulations were also done to obtain Ktrans of glioma patients at different B1rel values and see whether grading is affected or not. RESULTS: Current study shows that B1rel value higher than nominal results in an overestimation of C(t) curves as well as derived PPs and vice versa. Moreover, at same B1rel values, errors were large for larger values of C(t). Simulation results showed that grade of patients can change because of B1inh. CONCLUSIONS: B1inh in the human brain at 3T-MRI can introduce substantial errors in PPs derived from DCE-MRI data that might affect the accuracy of tumor grading, particularly for border zone cases. These errors can be mitigated using B1inh correction during DCE-MRI data analysis. PMID- 29197391 TI - Exploring the feasibility of eHealth solutions to decrease delays in maternal healthcare in remote communities of Ghana. AB - BACKGROUND: Despite the introduction of the Millennium Development Goal to reduce maternal deaths from 400 to 100 per 100,000 live births, the proportion of maternal deaths is still much higher in most developing countries like Ghana. Various interventions have been implemented in Ghana that focus on increasing skilled maternal care. These are especially needed in rural areas. EHealth has the potential to contribute to reducing the challenges in maternal healthcare (MHC) that poor areas suffer. This paper analyzes the potential of eHealth solutions to improve maternal health in rural Ghana as well as the challenges to their implementation. The work was carried out in cooperation with the local health directorate of Kpando Municipality, one of the administrative areas in the Volta Region. METHODS: The study is focused on remote peninsulas and islands in Kpando Municipality. Data was gathered through triangulated research methods. Maternal health challenges were identified using the Three Delays Model for MHC. The three delays are delay in seeking care, delay accessing health facilities, and delay receiving adequate care. Challenges to the implementation of eHealth solutions in remote communities were analyzed using the Drury's 5C eHealth model for developing countries. The 5Cs correspond to context, community, capacity, connectivity, and content. RESULTS: The results show that financial dependence of women, a decision-making process based on previous experiences and traditional beliefs, competitiveness between facilities, organizational loopholes, lack of equipment, and geographical situations directly influence MHC outcomes. EHealth solutions, thanks to the high number of health workers with basic IT skills, have high potential to reduce MHC delays. However, poverty, cultural beliefs, organizational issues, connectivity, and lack of human resources were identified as main challenges to the implementation of eHealth solutions. CONCLUSION: In Ghana's rural areas the three delays proposed in the model affect the outcomes of MHC. These delays are influenced by socio-economic status, access to facilities, and quality of care. EHealth solutions show great potential to reduce the delays. Based on the 5C model, a mHealth solution aiming to improve guidance during pregnancy was outlined. PMID- 29197392 TI - Genetic toggle switch controlled by bacterial growth rate. AB - BACKGROUND: In favorable conditions bacterial doubling time is less than 20 min, shorter than DNA replication time. In E. coli a single round of genome replication lasts about 40 min and it must be accomplished about 20 min before cell division. To achieve such fast growth rates bacteria perform multiple replication rounds simultaneously. As a result, when the division time is as short as 20 min E. coli has about 8 copies of origin of replication (ori) and the average copy number of the genes situated close to ori can be 4 times larger than those near the terminus of replication (ter). It implies that shortening of cell cycle may influence dynamics of regulatory pathways involving genes placed at distant loci. RESULTS: We analyze this effect in a model of a genetic toggle switch, i.e. a system of two mutually repressing genes, one localized in the vicinity of ori and the other localized in the vicinity of ter. Using a stochastic model that accounts for cell growth and divisions we demonstrate that shortening of the cell cycle can induce switching of the toggle to the state in which expression of the gene placed near ter is suppressed. The toggle bistability causes that the ratio of expression of the competing genes changes more than two orders of magnitude for a two-fold change of the doubling time. The increasing stability of the two toggle states enhances system sensitivity but also its reaction time. CONCLUSIONS: By fusing the competing genes with fluorescent tags this mechanism could be tested and employed to create an indicator of the doubling time. By manipulating copy numbers of the competing genes and locus of the gene situated near ter, one can obtain equal average expression of both genes for any doubling time T between 20 and 120 min. Such a toggle would accurately report departures of the doubling time from T. PMID- 29197393 TI - Association of serum ferritin with non-alcoholic fatty liver disease: a meta analysis. AB - BACKGROUND: A growing number of studies reported the connection between the level of serum ferritin (SFL) and non-alcoholic fatty liver disease (NAFLD). However, such connection was still disputable. The aim of our meta-analysis was to estimate SFL between the groups as below: patients with NAFLD against control group; non-alcoholic steatohepatitis (NASH) patients against control group; non alcoholic fatty liver (NAFL) patients against a control group and NASH patients vs NAFL patients. METHODS: We screened the studies in PubMed, EMBASE, the Cochrane Database and the Cochrane Central register controlled trials from the beginning to July 10, 2016 to find the studies indicated the connection between SFL and NAFLD (NAFL and/or NASH). Fourteen published studies which evaluate the SFL in NAFLD patients were selected. RESULTS: Higher SFL was noticed in NAFLD patients against control group (standardized mean difference [SMD] 1.01; 95% CI 0.89, 1.13), NASH patients against control group (SMD 1.21; 95% CI 1.00, 1.42), NAFL patients against control group (SMD 0.51; 95% CI 0.24, 0.79) and NASH patients against NAFL patients (SMD 0.63; 95% CI 0.52, 0.75). These results remained unaltered actually after the elimination of studies which were focused on paediatric or adolescent populations. Higher SFL was presented in NAFLD patients against the control group (SMD 1.08; 95% CI 0.95, 1.20) in adults and NASH patients against NAFL patients in adults (SMD 0.74; 95% CI 0.62, 0.87). The connection between SFL and NASH against NAFL group in paediatric or adolescent populations was observed inconsistently (SMD 0.10; 95% CI -0.18, 0.38). CONCLUSIONS: The level of SFL was elevated in patients with NAFLD (NAFL and/or NASH) compared with the controls. Compared with NAFL, The level of SFL was increased in NASH. The result remained unaltered actually after the elimination of studies focused on paediatric or adolescent populations. PMID- 29197394 TI - Designing synthetic networks in silico: a generalised evolutionary algorithm approach. AB - BACKGROUND: Evolution has led to the development of biological networks that are shaped by environmental signals. Elucidating, understanding and then reconstructing important network motifs is one of the principal aims of Systems & Synthetic Biology. Consequently, previous research has focused on finding optimal network structures and reaction rates that respond to pulses or produce stable oscillations. In this work we present a generalised in silico evolutionary algorithm that simultaneously finds network structures and reaction rates (genotypes) that can satisfy multiple defined objectives (phenotypes). RESULTS: The key step to our approach is to translate a schema/binary-based description of biological networks into systems of ordinary differential equations (ODEs). The ODEs can then be solved numerically to provide dynamic information about an evolved networks functionality. Initially we benchmark algorithm performance by finding optimal networks that can recapitulate concentration time-series data and perform parameter optimisation on oscillatory dynamics of the Repressilator. We go on to show the utility of our algorithm by finding new designs for robust synthetic oscillators, and by performing multi-objective optimisation to find a set of oscillators and feed-forward loops that are optimal at balancing different system properties. In sum, our results not only confirm and build on previous observations but we also provide new designs of synthetic oscillators for experimental construction. CONCLUSIONS: In this work we have presented and tested an evolutionary algorithm that can design a biological network to produce desired output. Given that previous designs of synthetic networks have been limited to subregions of network- and parameter-space, the use of our evolutionary optimisation algorithm will enable Synthetic Biologists to construct new systems with the potential to display a wider range of complex responses. PMID- 29197395 TI - Translation and psychometric testing of the Farsi version of the Seattle angina questionnaire. AB - BACKGROUND: Angina pectoris causes substantial psychological and functional disabilities and adversely effects quality of life in patients. The aim of this study was to investigate the psychometric properties including validity and reliability of the Farsi version of the Seattle angina questionnaire. METHODS: The 'forward-backward' procedure was applied to translate this questionnaire from English to Farsi. The translated version of the Seattle angina questionnaire was assessed in terms of validity and reliability with a convenience sample of 200 patients suffering from angina pectoris who were recruited from the inpatient ward (post CCU) and outpatient department at two teaching hospitals in an urban area of Iran. Validity was assessed using content, face and construct validity. The calculation of the Cronbach's alpha coefficient and the test-retest method helped with the assessment of reliability of the questionnaire's five subscales. Construct validity of the questionnaire was evaluated using exploratory factor analysis. RESULTS: The results of exploratory factor analysis indicated a five factor solution for the questionnaire including 'physical limitation in middle to strenuous activities', 'physical limitation in slight activities', 'angina pattern and discomfort of treatment', 'treatment satisfaction' and 'disease perception' that jointly accounted for 64.42% of variance observed. Convergent validity was mostly supported by the pattern of association between the Seattle angina questionnaire-Farsi version and the SF-36. Cronbach's alpha of the subscales ranged from 0.60 to 0.86 and test-retest scores ranged from 0.79 to 0.97 indicating a good range of reliability. CONCLUSIONS: The Seattle angina questionnaire-Farsi version had acceptable psychometric properties. Therefore, it can be used to assess health-related quality of life and assess the effects of different medical and nursing interventions on patients' quality of life. PMID- 29197396 TI - New laparoscopic procedure for left-sided pancreatic cancer-artery-first approach laparoscopic RAMPS using 3D technique. AB - BACKGROUND: For left-sided pancreatic ductal adenocarcinoma (PDAC), radical antegrade modular pancreatosplenectomy (RAMPS) is a reasonable surgical approach for tumor-free margin resection and systemic lymph node clearance. In pancreaticoduodenectomy for PDAC, the superior mesenteric artery (SMA)-first approach (or the "artery-first approach") has become the standard procedure. With improvements in laparoscopic instruments and techniques, some surgeons attempted to apply laparoscopic RAMPS (L-RAMPS) for carefully selected patients with left sided PDAC. However, owing to several technical difficulties in this procedure, its application remains uncommon. Moreover, the artery-first approach in L-RAMPS has not been reported. Here, we developed the artery-first approach L-RAMPS for left-sided PDAC and have presented the same in this report. CASE PRESENTATION: Between June 2014 and July 2015, 16 patients with left-sided PDAC were referred to our division for pancreatic resection. The following technique was used for performing L-RAMPS on 3 of the 16 patients (19%). Six trocars were placed. After opening the omental bursa, only the middle segment of the pancreas was initially separated from both the left renal vein and the SMA. We termed this procedure as the "artery-first approach using a dome-shaped dorsomedial dissection (3D) technique." This 3D technique enabled the interruption of the entire arterial supply to the specimen while preserving the venous drainage through the splenic vein for preventing venous congestion. The technique also contributed to the early detection of no tumor infiltration into the SMA and the early determination of posterior dissection plane. After pancreatic neck transection, the splenic artery and vein were divided. Finally, the pancreatic tail and spleen were dissected in a right-to-left direction. All operations were completed without any intraoperative complications. The median blood loss and retrieved lymph node count were 75 mL and 37, respectively, which were superior to those reported by other previous studies on L-RAMPS. All resection margins were free of carcinoma. No severe postoperative complications were observed. CONCLUSIONS: The artery first approach L-RAMPS using 3D technique is safe and feasible to perform. The significance of our proposed procedure is minimal blood loss and precise lymphadenectomy. Therefore, this novel technique may become the preferred treatment for left-sided PDAC in selected cases. PMID- 29197397 TI - The 'heat' goes away: sexual disorders of married women with female genital mutilation/cutting in Kenya. AB - BACKGROUND: Female genital mutilation/cutting (FGM/C) has been implicated in sexual complications among women, although there is paucity of research evidence on sexual experiences among married women who have undergone this cultural practice. The aim of this study was to investigate the sexual experiences among married women in Mauche Ward, Nakuru County. METHODS: Quantitative and qualitative data collection methods were used. Quantitative data were obtained from 318 married women selected through multistage sampling. The women were categorized into: cut before marriage, cut after marriage and the uncut. A questionnaire was used to collect demographic information while psychometric data were obtained using a female sexual functioning index (FSFI) tool. The resulting quantitative data were analyzed using SPSS(r) Version 22. Qualitative data were obtained from five FGDs and two case narratives. The data were organized into themes, analyzed and interpreted. Ethical approval for the study was granted by Kenyatta National Hospital-University of Nairobi Ethics and Research Committee. RESULTS: The mean age of the respondents was 30.59 +/- 7.36 years. The majority (74.2%) had primary education and 76.1% were farmers. Age (p = 0.008), number of children (p = 0.035) and education (p = 0.038) were found to be associated with sexual functioning. The cut women reported lower sexual functioning compared to the uncut. ANOVA results show the reported overall sexual functioning to be significantly (p = 0.019) different across the three groups. Women cut after marriage (mean = 22.81 +/- 4.87) scored significantly lower (p = 0.056) than the uncut (mean = 25.35 +/- 3.56). However, in comparison to the cut before marriage there was no significant difference (mean = 23.99 +/- 6.63). Among the sexual functioning domains, lubrication (p = 0.008), orgasm (p = 0.019) and satisfaction (p = 0.042) were significantly different across the three groups. However, desire, arousal and pain were not statistically different. CONCLUSION: Generally, cut women had negative sexual experiences and specifically adverse changes in desire, arousal and satisfaction were experienced among cut after marriage. FGM/C mitigating strategies need to routinely provide sexual complications management to safeguard women's sexual right to pleasure subsequently improving their general well-being. PMID- 29197399 TI - Abortion debates in Finland and the Republic of Ireland: textual analysis of experiential thinking and argumentation in parliamentary and layperson discussions. AB - BACKGROUND: The ethical discussion about abortion has been polarized in Finland and the Republic of Ireland, two European countries with very different abortion legislation (liberal vs. highly restrictive). The aim of the present study was to analyze experiential thinking patterns and argumentative strategies in political and layperson debates regarding induced abortion. METHODS: The content of Finnish and Irish texts (n = 493), consisting of transcripts of parliamentary debates and online texts, such as blogs, was analyzed systematically. The texts were investigated for the aspects of experiential thinking, for selected argumentative moves and for any differences in the prevalence of these features between countries or between political vs. layperson debates. RESULTS: The Finnish and Irish discussions about induced abortion relied heavily on experiential thinking patterns and emotionally laden arguments instead of objective research data. This was evident in the very high prevalence of testimonials, narratives, loaded language and appeals to emotion in both political and layperson debates regardless of the country or the debater's position on abortion issue. Research data that did not support the position of the debater were relatively often omitted by confirmation bias. The Irish debaters appealed to popularity more often than the Finnish ones, while magical/religious thinking was mainly observed in the Finnish layperson discussion. The national history and the prevailing cultural and religious atmosphere of the two countries could explain these differences. CONCLUSIONS: The abortion debate mostly reinforces the opinions of one's peer group rather than convinces the opposite party to change their position. The stalemate and continuation of the same arguments being repeated could be associated with experiential thinking and emotional argumentative strategies in both political and layperson debates. PMID- 29197398 TI - Pharmacologic activation of cholinergic alpha7 nicotinic receptors mitigates depressive-like behavior in a mouse model of chronic stress. AB - BACKGROUND: It has been shown that chronic stress-induced depression is associated with exaggerated inflammatory response in the brain. Alpha7 nicotinic acetylcholine receptors (alpha7nAChRs) regulate the cholinergic anti-inflammatory pathway, but the role of cholinergic signaling and alpha7nAChR in chronic stress has not yet been examined. METHODS: In this study, we used a well-documented model of depression in which mice were exposed to 6 h of restraint stress for 21 consecutive days. Components of cholinergic signaling and TLR4 signaling were analyzed in the hippocampus. The main targets of neuroinflammation and neuronal damage were also evaluated after a series of tests for depression-like behavior. RESULTS: Chronic restraint stress (CRS) induced alterations in components of central cholinergic signaling in hippocampus, including increases in choline acetyltransferase protein expression and decreases in nuclear STAT3 signaling. CRS also increased TLR4 signaling activity, interleukin-1beta, and tumor necrosis factor-alpha expression, microglial activation, and neuronal morphologic changes. Cholinergic stimulation with the alpha7nAChR agonist DMXBA significantly alleviated CRS-induced depressive-like behavior, neuroinflammation, and neuronal damage, but these effects were abolished by the selective alpha7nAChR antagonist alpha-bungarotoxin. Furthermore, activation of alpha7nAChRs restored the central cholinergic signaling function, inhibited TLR4-mediated inflammatory signaling and microglial activity, and increased the number of regulatory T cells in the hippocampus. CONCLUSIONS: These findings provide evidence that alpha7nAChR activation mitigates CRS-induced neuroinflammation and cell death, suggesting that alpha7nAChRs could be a new therapeutic target for the prevention and treatment of depression. PMID- 29197400 TI - Evaluation of the new TNM-staging system for thymic malignancies: impact on indication and survival. AB - BACKGROUND: The objective of this study is the evaluation of the Masaoka-Koga and the International Association for the Study of Lung Cancer (IASLC)/International Thymic Malignancy Interest Group (ITMIG) proposal for the new TNM-staging system on clinical implementation and prognosis of thymic malignancies. METHODS: A retrospective study of 76 patients who underwent surgery between January 2005 and December 2015 for thymoma. Kaplan-Meier survival analysis was used to determine overall and recurrence-free survival rates. RESULTS: Indication for surgery was primary mediastinal tumor (n = 55), pleural manifestation (n = 17), or mediastinal recurrence (n = 4) after surgery for thymoma. Early Masaoka-Koga stages I (n = 9) and II (n = 14) shifted to the new stage I (n = 23). Advanced stages III (Masaoka-Koga: n = 20; ITMIG/IASLC: n = 17) and IV (Masaoka-Koga: n = 33; ITMIG/IASLC: n = 35) remained nearly similar and were associated with higher levels of WHO stages. Within each staging system, the survival curves differed significantly with the best 5-year survival in early stages I and II (91%). Survival for stage IV (70 to 77%) was significantly better compared to stage III (49 to 54%). Early stages had a significant longer recurrence-free survival (86 to 90%) than advanced stages III and IV (55 to 56%). CONCLUSIONS: The proportion of patients with IASLC/ITMIG stage I increased remarkably, whereas the distribution in advanced stages III and IV was nearly similar. The new TNM staging system presents a clinically useful and applicable system, which can be used for indication, stage-adapted therapy, and prediction of prognosis for overall and recurrence-free survival. PMID- 29197403 TI - Setting priorities for knowledge translation of Cochrane reviews for health equity: Evidence for Equity. AB - BACKGROUND: A focus on equity in health can be seen in many global development goals and reports, research and international declarations. With the development of a relevant framework and methods, the Campbell and Cochrane Equity Methods Group has encouraged the application of an 'equity lens' to systematic reviews, and many organizations publish reviews intended to address health equity. The purpose of the Evidence for Equity (E4E) project was to conduct a priority setting exercise and apply an equity lens by developing a knowledge translation product comprising summaries of systematic reviews from the Cochrane Library. E4E translates evidence from systematic reviews into 'friendly front end' summaries for policy makers. METHODS: The following topic areas with high burdens of disease globally, were selected for the pilot: diabetes/obesity, HIV/AIDS, malaria, nutrition, and mental health/depression. For each topic area, a "stakeholder panel" was assembled that included policymakers and researchers. A systematic search of Cochrane reviews was conducted for each area to identify equity-relevant interventions with a meaningful impact. Panel chairs developed a rating sheet which was used by all panels to rank the importance of these interventions by: 1) Ease of Implementation; 2) Health System Requirements; 3)Universality/Generalizability/Share of Burden; and 4) Impact on Inequities/Effect on equity. The ratings of panel members were averaged for each intervention and criterion, and interventions were ordered according to the average overall ratings. RESULTS: Stakeholder panels identified the top 10 interventions from their respective topic areas. The evidence on these interventions is being summarized with an equity focus and the results posted online, at http://methods.cochrane.org/equity/e4e-series . CONCLUSIONS: This method provides an explicit approach to setting priorities by systematic review groups and funders for providing decision makers with evidence for the most important equity-relevant interventions. PMID- 29197402 TI - Manual physical balance assistance of therapists during gait training of stroke survivors: characteristics and predicting the timing. AB - BACKGROUND: During gait training, physical therapists continuously supervise stroke survivors and provide physical support to their pelvis when they judge that the patient is unable to keep his balance. This paper is the first in providing quantitative data about the corrective forces that therapists use during gait training. It is assumed that changes in the acceleration of a patient's COM are a good predictor for therapeutic balance assistance during the training sessions Therefore, this paper provides a method that predicts the timing of therapeutic balance assistance, based on acceleration data of the sacrum. METHODS: Eight sub-acute stroke survivors and seven therapists were included in this study. Patients were asked to perform straight line walking as well as slalom walking in a conventional training setting. Acceleration of the sacrum was captured by an Inertial Magnetic Measurement Unit. Balance-assisting corrective forces applied by the therapist were collected from two force sensors positioned on both sides of the patient's hips. Measures to characterize the therapeutic balance assistance were the amount of force, duration, impulse and the anatomical plane in which the assistance took place. Based on the acceleration data of the sacrum, an algorithm was developed to predict therapeutic balance assistance. To validate the developed algorithm, the predicted events of balance assistance by the algorithm were compared with the actual provided therapeutic assistance. RESULTS: The algorithm was able to predict the actual therapeutic assistance with a Positive Predictive Value of 87% and a True Positive Rate of 81%. Assistance mainly took place over the medio lateral axis and corrective forces of about 2% of the patient's body weight (15.9 N (11), median (IQR)) were provided by therapists in this plane. Median duration of balance assistance was 1.1 s (0.6) (median (IQR)) and median impulse was 9.4Ns (8.2) (median (IQR)). Although therapists were specifically instructed to aim for the force sensors on the iliac crest, a different contact location was reported in 22% of the corrections. CONCLUSIONS: This paper presents insights into the behavior of therapists regarding their manual physical assistance during gait training. A quantitative dataset was presented, representing therapeutic balance assisting force characteristics. Furthermore, an algorithm was developed that predicts events at which therapeutic balance assistance was provided. Prediction scores remain high when different therapists and patients were analyzed with the same algorithm settings. Both the quantitative dataset and the developed algorithm can serve as technical input in the development of (robot-controlled) balance supportive devices. PMID- 29197401 TI - Neglected zoonotic agents in cattle abortion: tackling the difficult to grow bacteria. AB - BACKGROUND: Coxiella burnetii, Chlamydia abortus and Leptospira spp. are difficult to grow bacteria that play a role in bovine abortion, but their diagnosis is hampered by their obligate intracellular lifestyle (C. burnetii, C. abortus) or their lability (Leptospira spp.). Their importance is based on the contagious spread in food-producing animals, but also as zoonotic agents. In Switzerland, first-line routine bacteriological diagnostics in cattle abortions is regulated by national law and includes only basic screening by staining for C. burnetii due to the high costs associated with extended spectrum analysis. The aim of this study was to assess the true occurrence of these zoonotic pathogens in 249 cases of bovine abortion in Switzerland by serology (ELISA for anti-C. burnetii and C. abortus antibodies and microscopic agglutination test for anti Leptospira spp. antibodies), molecular methods (real-time PCR and sequencing of PCR products of Chlamydiales-positive cases), Stamp's modification of the Ziehl Neelsen (mod-ZN) stain and, upon availability of material, by histology and immunohistochemistry (IHC). RESULTS: After seroanalysis the prevalence was 15.9% for C. burnetii, 38.5% for C. abortus and 21.4% for Leptospira spp. By real-time PCR 12.1% and 16.9% of the cases were positive for C. burnetii and Chlamydiales, respectively, but only 2.4% were positive for C. burnetii or Chlamydiales by mod ZN stain. Sequencing of PCR products of Chlamydiales-positive cases revealed C. abortus in 10% of cases and the presence of a mix of Chlamydiales-related bacteria in 5.2% of cases. Pathogenic Leptospira spp. were detected in 5.6% of cases. Inflammatory lesions were present histologically in all available samples which were real-time PCR-positive for Chlamydiales and Leptospira spp. One of 12 real-time PCR-positive cases for C. burnetii was devoid of histological lesions. None of the pathogens could be detected by IHC. CONCLUSION: Molecular detection by real-time PCR complemented by histopathological analysis is recommended to improve definitive diagnosis of bovine abortion cases and determine a more accurate prevalence of these zoonotic pathogens. PMID- 29197404 TI - Integrated mental health care and vocational rehabilitation to improve return to work rates for people on sick leave because of exhaustion disorder, adjustment disorder, and distress (the Danish IBBIS trial): study protocol for a randomized controlled trial. AB - BACKGROUND: Common mental disorders are important contributors to the global burden of disease and cause negative effects on both the individual and society. Stress-related disorders influence the individual's workability and cause early retirement pensions in Denmark. There is no clear evidence that mental health care alone will provide sufficient support for vocational recovery for this group. Integrated vocational and health care services have shown good effects on return to work in other similar welfare contexts. The purpose of the Danish IBBIS (Integreret Behandlings- og BeskaeftigelsesIndsats til Sygemeldte) study is to examine the efficacy of (1) a stepped mental health care intervention with individual stress coaching and/or group-based MBSR and (2) an integrated stepped mental health care with individual stress coaching and/or group-based MBSR and vocational rehabilitation intervention for people on sick leave because of exhaustion disorder, adjustment disorder or distress in Denmark. METHOD/DESIGN: This three-armed, parallel-group, randomized superiority trial is set up to investigate the effectiveness of a stepped mental health care intervention and an integrated mental health care and vocational rehabilitation intervention for people on sick leave because of exhaustion disorder, adjustment disorder or distress in Denmark. The trial has an investigator-initiated multicenter design. Six hundred and three patients will be recruited from Danish vocational rehabilitation centers in four municipalities and randomly assigned into three groups: (1) IBBIS mental health care integrated with IBBIS vocational rehabilitation, (2) IBBIS mental health care and standard vocational rehabilitation, and (3) standard mental health care and standard vocational rehabilitation. The primary outcome is register-based return to work at 12 months. The secondary outcome measures are self-assessed level of depression (BDI), anxiety (BAI), distress symptoms (4DSQ), work- and social functioning (WSAS), and register-based recurrent sickness absence. DISCUSSION: This study will contribute with knowledge on the consequence of the current organizational separation of health care interventions and vocational rehabilitation regarding the individual's process of returning to work after sick leave because of exhaustion disorder, adjustment disorder or distress. If the effect on return to work, symptom level, and recurrent sick leave is different in the intervention groups, this study can contribute with new knowledge on shared care models and the potential for preventing deterioration in stress symptoms, prolonged sick leave, and recurrent sick leave. TRIAL REGISTRATION: ClinicalTrials.gov, registration number: NCT02885519 . Retrospectively registered on 15 August 2016). Participants have been included in the IBBIS trial for distress, adjustment disorder and exhaustion disorder since April 2016. PMID- 29197405 TI - Exploring the diversity of Diplostomum (Digenea: Diplostomidae) in fishes from the River Danube using mitochondrial DNA barcodes. AB - BACKGROUND: Metacercariae of Diplostomum are important fish pathogens, but reliable data on their diversity in natural fish populations are virtually lacking. This study was conducted to explore the species diversity and host parasite association patterns of Diplostomum spp. in a large riverine system in Europe, using molecular and morphological data. METHODS: Twenty-eight species of fish of nine families were sampled in the River Danube at Nyergesujfalu in Hungary in 2012 and Sturovo in Slovakia in 2015. Isolates of Diplostomum spp. were characterised morphologically and molecularly. Partial sequences of the 'barcode' region of the cytochrome c oxidase subunit 1 (cox1) and complete sequences of the nicotinamide adenine dinucleotide dehydrogenase subunit 3 (nad3) mitochondrial genes were amplified for 76 and 30 isolates, respectively. The partial cox1 sequences were used for molecular identification of the isolates and an assessment of haplotype diversity and possible host-associated structuring of the most prevalent parasite species. New primers were designed for amplification of the mitochondrial nad3 gene. RESULTS: Only lens-infecting Diplostomum spp. were recovered in 16 fish species of five families. Barcoding of representative isolates provided molecular identification for three species/species-level genetic lineages, D. spathaceum, D. pseudospathaceum and 'D. mergi Lineage 2', and three single isolates potentially representing distinct species. Molecular data helped to elucidate partially the life-cycle of 'D. mergi Lineage 2'. Many of the haplotypes of D. spathaceum (16 in total), D. pseudospathaceum (15 in total) and 'D. mergi Lineage 2' (7 in total) were shared by a number of fish hosts and there was no indication of genetic structuring associated with the second intermediate host. The most frequent Diplostomum spp. exhibited a low host specificity, predominantly infecting a wide range of cyprinid fishes, but also species of distant fish families such as the Acipenseridae, Lotidae, Percidae and Siluridae. The nad3 gene exhibited distinctly higher levels of interspecific divergence in comparison with the cox1 gene. CONCLUSIONS: This first exploration of the species diversity and host ranges of Diplostomum spp., in natural fish populations in the River Danube, provided novel molecular, morphological and host use data which will advance further ecological studies on the distribution and host ranges of these important fish parasites in Europe. Our results also indicate that the nad3 gene is a good candidate marker for multi-gene approaches to systematic estimates within the genus. PMID- 29197406 TI - Non-HDL cholesterol and LDL cholesterol in the dyslipidemic classification in patients with nonalcoholic fatty liver disease. AB - BACKGROUND: Low-density lipoprotein cholesterol (LDL-C) always underestimates the true cholesterol burden in patients with nonalcoholic fatty liver disease (NAFLD). We aimed to compare LDL-C and non-high-density lipoprotein cholesterol (non-HDL-C) in the identification of high-risk dyslipidemic phenotypes in those with NAFLD. METHODS: We conducted a cross-sectional analysis using a cohort of 9560 apparently healthy Chinese adults who underwent comprehensive health checkups including abdominal ultrasonography. RESULTS: Among 3709 patients with NAFLD, the prevalence of abnormal LDL using LDL-C was 68.5%, whereas the prevalence was relatively lower when using non-HDL-C (55.9%). The concordance between non-HDL-C- and LDL-C-based diagnoses of abnormal LDL was similar in the hypertriglyceridemic (? = 0.56; 95% CI 0.52-0.60) and normotriglyceridemic subgroups (? = 0.47; 95% CI 0.44-0.51). Non-HDL-C detected fewer patients with abnormal LDL than LDL-C in normotriglyceridemic patients. However, non-HDL-C detected more patients with abnormal LDL than LDL-C in hypertriglyceridemic patients: 114 of the 1662 patients considered as abnormal LDL according to LDL-C fell into the normonon-HDL-C phenotype, whereas 204 of the 1662 patients considered as abnormal LDL according to non-HDL-C fell into the normoLDL-C phenotype. CONCLUSION: Among patients with NAFLD, LDL-C is superior to non-HDL-C in the detection of high-risk phenotypes in normotriglyceridemic patients, whereas non-HDL-C seems to be superior in hypertriglyceridemic patients. PMID- 29197407 TI - Low tidal volume mechanical ventilation against no ventilation during cardiopulmonary bypass heart surgery (MECANO): study protocol for a randomized controlled trial. AB - BACKGROUND: Postoperative pulmonary complications are a leading cause of morbidity and mortality after cardiac surgery. There are no recommendations on mechanical ventilation associated with cardiopulmonary bypass (CPB) during surgery and anesthesiologists perform either no ventilation (noV) at all during CPB or maintain low tidal volume (LTV) ventilation. Indirect evidence points towards better pulmonary outcomes when LTV is performed but no large-scale prospective trial has yet been published in cardiac surgery. DESIGN: The MECANO trial is a single-center, double-blind, randomized, controlled trial comparing two mechanical ventilation strategies, noV and LTV, during cardiac surgery with CPB. In total, 1500 patients are expected to be included, without any restrictions. They will be randomized between noV and LTV on a 1:1 ratio. The noV group will receive no ventilation during CPB. The LTV group will receive 5 breaths/minute with a tidal volume of 3 mL/kg and positive end-expiratory pressure of 5 cmH2O. The primary endpoint will be a composite of all-cause mortality, early respiratory failure defined as a ratio of partial pressure of oxygen/fraction of inspired oxygen <200 mmHg at 1 hour after arrival in the ICU, heavy oxygenation support (defined as a patient requiring either non-invasive ventilation, mechanical ventilation or high-flow oxygen) at 2 days after arrival in the ICU or ventilator-acquired pneumonia defined by the Center of Disease Control. Lung recruitment maneuvers will be performed in the noV and LTV groups at the end of surgery and at arrival in ICU with an insufflation at +30 cmH20 for 5 seconds. Secondary endpoints are those composing the primary endpoint with the addition of pneumothorax, CPB duration, quantity of postoperative bleeding, red blood cell transfusions, revision surgery requirements, length of stay in the ICU and in the hospital and total hospitalization costs. Patients will be followed until hospital discharge. DISCUSSION: The MECANO trial is the first of its kind to compare in a double-blind design, a no-ventilation to a low-tidal volume strategy for mechanical ventilation during cardiac surgery with CPB, with a primary composite outcome including death, respiratory failure and postoperative pneumonia. TRIAL REGISTRATION: ClinicalTrials.gov, NCT03098524 . Registered on 27 February 2017. PMID- 29197408 TI - The sleep and circadian modulation of neural reward pathways: a protocol for a pair of systematic reviews. AB - BACKGROUND: Animal research suggests that neural reward activation may be systematically modulated by sleep and circadian function. Whether humans also exhibit sleep and circadian modulation of neural reward pathways is unclear. This area is in need of further research, as it has implications for the involvement of sleep and circadian function in reward-related disorders. The aim of this paper is to describe the protocol for a pair of systematic literature reviews to synthesise existing literature related to (1) sleep and (2) circadian modulation of neural reward pathways in healthy human populations. METHODS: A systematic review of relevant online databases (Scopus, PubMed, Web of Science, ProQuest, PsycINFO and EBSCOhost) will be conducted. Reference lists, relevant reviews and supplementary data will be searched for additional articles. Articles will be included if (a) they contain a sleep- or circadian-related predictor variable with a neural reward outcome variable, (b) use a functional magnetic resonance imaging protocol and (c) use human samples. Articles will be excluded if study participants had disorders known to affect the reward system. The articles will be screened by two independent authors. Two authors will complete the data extraction form, with two authors independently completing the quality assessment tool for the selected articles, with a consensus reached with a third author if needed. Narrative synthesis methods will be used to analyse the data. DISCUSSION: The findings from this pair of systematic literature reviews will assist in the identification of the pathways involved in the sleep and circadian function modulation of neural reward in healthy individuals, with implications for disorders characterised by dysregulation in sleep, circadian rhythms and reward function. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42017064994. PMID- 29197409 TI - Matching disease and phenotype ontologies in the ontology alignment evaluation initiative. AB - BACKGROUND: The disease and phenotype track was designed to evaluate the relative performance of ontology matching systems that generate mappings between source ontologies. Disease and phenotype ontologies are important for applications such as data mining, data integration and knowledge management to support translational science in drug discovery and understanding the genetics of disease. RESULTS: Eleven systems (out of 21 OAEI participating systems) were able to cope with at least one of the tasks in the Disease and Phenotype track. AML, FCA-Map, LogMap(Bio) and PhenoMF systems produced the top results for ontology matching in comparison to consensus alignments. The results against manually curated mappings proved to be more difficult most likely because these mapping sets comprised mostly subsumption relationships rather than equivalence. Manual assessment of unique equivalence mappings showed that AML, LogMap(Bio) and PhenoMF systems have the highest precision results. CONCLUSIONS: Four systems gave the highest performance for matching disease and phenotype ontologies. These systems coped well with the detection of equivalence matches, but struggled to detect semantic similarity. This deserves more attention in the future development of ontology matching systems. The findings of this evaluation show that such systems could help to automate equivalence matching in the workflow of curators, who maintain ontology mapping services in numerous domains such as disease and phenotype. PMID- 29197411 TI - Systematic reviews of health economic evaluations: a protocol for a systematic review of characteristics and methods applied. AB - BACKGROUND: The number of systematic reviews of economic evaluations is steadily increasing. This is probably related to the continuing pressure on health budgets worldwide which makes an efficient resource allocation increasingly crucial. In particular in recent years, the introduction of several high-cost interventions presents enormous challenges regarding universal accessibility and sustainability of health care systems. An increasing number of health authorities, inter alia, feel the need for analyzing economic evidence. Economic evidence might effectively be generated by means of systematic reviews. Nevertheless, no standard methods seem to exist for their preparation so far. The objective of this study was to analyze the methods applied for systematic reviews of health economic evaluations (SR-HE) with a focus on the identification of common challenges. METHODS/DESIGN: The planned study is a systematic review of the characteristics and methods actually applied in SR-HE. We will combine validated search filters developed for the retrieval of economic evaluations and systematic reviews to identify relevant studies in MEDLINE (via Ovid, 2015-present). To be eligible for inclusion, studies have to conduct a systematic review of full economic evaluations. Articles focusing exclusively on methodological aspects and secondary publications of health technology assessment (HTA) reports will be excluded. Two reviewers will independently assess titles and abstracts and then full-texts of studies for eligibility. Methodological features will be extracted in a standardized, beforehand piloted data extraction form. Data will be summarized with descriptive statistical measures and systematically analyzed focusing on differences/similarities and methodological weaknesses. DISCUSSION: The systematic review will provide a detailed overview of characteristics of SR HE and the applied methods. Differences and methodological shortcomings will be detected and their implications will be discussed. The findings of our study can improve the recommendations on the preparation of SR-HE. This can increase the acceptance and usefulness of systematic reviews in health economics for researchers and medical decision makers. SYSTEMATIC REVIEW REGISTRATION: The review will not be registered with PROSPERO as it does not meet the eligibility criterion of dealing with clinical outcomes. PMID- 29197410 TI - Direct inhibition of ACTN4 by ellagic acid limits breast cancer metastasis via regulation of beta-catenin stabilization in cancer stem cells. AB - BACKGROUND: Pharmacology-based target identification has become a novel strategy leading to the discovery of novel pathological biomarkers. Ellagic acid (EA), a dietary polyphenol compound, exhibits potent anticancer activities; however, the underlying mechanisms remain unclear. The current study sought to determine the role and regulation of ACTN4 expression in human breast cancer metastasis and EA based therapy. METHODS: The anti-metastasis ability of EA was validated by MMTV PyMT mice and in vitro cell models. Drug affinity responsive target stability (DARTS) was utilized to identify ACTN4 as the direct target of EA. The metastatic regulated function of ACTN4 were assessed by cancer stem cells (CSCs)-related assays, including mammosphere formation, tumorigenic ability, reattachment differentiation, and signaling pathway analysis. The mechanisms of ACTN4 on beta catenin stabilization were investigated by western blotting, co immunoprecipitation and ubiquitination assays. The clinical significance of ACTN4 was based on human tissue microarray (TMA) analysis and The Cancer Genome Atlas (TCGA) database exploration. RESULTS: EA inhibited breast cancer growth and metastasis via directly targeting ACTN4 in vitro and in vivo, and was accompanied by a limited CSC population. ACTN4 knockdown resulted in the blockage of malignant cell proliferation, colony formation, and ameliorated metastasis potency. ACTN4-positive CSCs exhibited a higher ESA+ proportion, increased mammosphere-formation ability, and enhanced in vivo tumorigenesis ability. Mechanism exploration revealed that interruption of ACTN4/beta-catenin interaction will result in the activation of beta-catenin proteasome degradation. Increased ACTN4 expression was directly associated with the advanced cancer stage, an increased incidence of metastasis, and poor overall survival period. CONCLUSIONS: Taken together, our results suggest that ACTN4 plays an important role in breast CSCs-related metastasis and is a novel therapeutic target of EA treatment. PMID- 29197412 TI - Does motivation matter in upper-limb rehabilitation after stroke? ArmeoSenso Reward: study protocol for a randomized controlled trial. AB - BACKGROUND: Fifty percent of all stroke survivors remain with functional impairments of their upper limb. While there is a need to improve the effectiveness of rehabilitative training, so far no new training approach has proven to be clearly superior to conventional therapy. As training with rewarding feedback has been shown to improve motor learning in humans, it is hypothesized that rehabilitative arm training could be enhanced by rewarding feedback. In this paper, we propose a trial protocol investigating rewards in the form of performance feedback and monetary gains as ways to improve effectiveness of rehabilitative training. METHODS: This multicentric, assessor-blinded, randomized controlled trial uses the ArmeoSenso virtual reality rehabilitation system to train 74 first-ever stroke patients (< 100 days post stroke) to lift their impaired upper limb against gravity and to improve the workspace of the paretic arm. Three sensors are attached to forearm, upper arm, and trunk to track arm movements in three-dimensional space while controlling for trunk compensation. Whole-arm movements serve as input for a therapy game. The reward group (n = 37) will train with performance feedback and contingent monetary reward. The control group (n = 37) uses the same system but without monetary reward and with reduced performance feedback. Primary outcome is the change in the hand workspace in the transversal plane. Standard clinical assessments are used as secondary outcome measures. DISCUSSION: This randomized controlled trial will be the first to directly evaluate the effect of rewarding feedback, including monetary rewards, on the recovery process of the upper limb following stroke. This could pave the way for novel types of interventions with significantly improved treatment benefits, e.g., for conditions that impair reward processing (stroke, Parkinson's disease). TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT02257125 . Registered on 30 September 2014. PMID- 29197413 TI - Timing of oral anticoagulant therapy in acute ischemic stroke with atrial fibrillation: study protocol for a registry-based randomised controlled trial. AB - BACKGROUND: Oral anticoagulation therapy is recommended for the prevention of recurrent ischemic stroke in patients with atrial fibrillation (AF). Current guidelines do not provide evidence-based recommendations on optimal time-point to start anticoagulation therapy after an acute ischemic stroke. Non-vitamin K antagonist oral anticoagulants (NOACs) may offer advantages compared to warfarin because of faster and more predictable onset of action and potentially a lower risk of intracerebral haemorrhage also in the acute phase after an ischemic stroke. The TIMING study aims to establish the efficacy and safety of early vs delayed initiation of NOACs in patients with acute ischemic stroke and AF. METHODS/DESIGN: The TIMING study is a national, investigator-led, registry-based, multicentre, open-label, randomised controlled study. The Swedish Stroke Register is used for enrolment, randomisation and follow-up of 3000 patients, who are randomised (1:1) within 72 h from ischemic stroke onset to either early (<= 4 days) or delayed (>= 5-10 days) start of NOAC therapy. The primary outcome is the composite of recurrent ischemic stroke, symptomatic intracerebral haemorrhage, or all-cause mortality within 90 days after randomisation. Secondary outcomes include: individual components of the primary outcome at 90 and 365 days; major haemorrhagic events; functional outcome by the modified Rankin Scale at 90 days; and health economics. In an optional biomarker sub-study, blood samples will be collected after randomisation from approximately half of the patients for central analysis of cardiovascular biomarkers after study completion. The study is funded by the Swedish Medical Research Council. Enrolment of patients started in April 2017. CONCLUSION: The TIMING study addresses the ongoing clinical dilemma of when to start NOAC after an acute ischemic stroke in patients with AF. By the inclusion of a randomisation module within the Swedish Stroke Register, the advantages of a prospective randomised study design are combined with the strengths of a national clinical quality register in allowing simplified enrolment and follow-up of study patients. In addition, the register adds the possibility of directly assessing the external validity of the study findings. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02961348 . Registered on 8 November 2016. PMID- 29197414 TI - Integrated mental health care and vocational rehabilitation to improve return to work rates for people on sick leave because of depression and anxiety (the Danish IBBIS trial): study protocol for a randomized controlled trial. AB - BACKGROUND: Depression and anxiety are among the largest contributors to the global burden of disease and have negative effects on both the individual and society. Depression and anxiety are very likely to influence the individual's work ability, and up to 40% of the people on sick leave in Denmark have depression and/or anxiety. There is no clear evidence that treatment alone will provide sufficient support for vocational recovery in this group. Integrated vocational and health care services have shown good effects on return to work in other, similar welfare contexts. The purpose of the IBBIS (Integrated Mental Health Care and Vocational Rehabilitation to Individuals on Sick Leave Due to Anxiety and Depression) interventions is to improve and hasten the process of return to employment for people in Denmark on sick leave because of depression and anxiety. METHODS/DESIGN: This three-arm, parallel-group, randomized superiority trial has been set up to investigate the effectiveness of the IBBIS mental health care intervention and the integrated IBBIS mental health care and IBBIS vocational rehabilitation intervention for people on sick leave because of depression and/or anxiety in Denmark. The trial has an investigator-initiated multicenter design. A total of 603 patients will be recruited from Danish job centers in 4 municipalities and randomly assigned to one of 3 groups: (1) IBBIS mental health care integrated with IBBIS vocational rehabilitation, (2) IBBIS mental health care and standard vocational rehabilitation, and (3) standard mental health care and standard vocational rehabilitation. The primary outcome is register-based return to work at 12 months. The secondary outcome measures are self-assessed level of depression (Beck Depression Inventory II), anxiety (Beck Anxiety Inventory), stress symptoms (Four-Dimensional Symptom Questionnaire), work and social functioning (Work and Social Adjustment Scale), and register based recurrent sickness absence. DISCUSSION: This study will provide new knowledge on vocational recovery, integrated vocational and health care interventions, and prevention of recurrent sickness absence among people with depression and anxiety. If the effect on return to work is different in the intervention groups, this study can contribute to current knowledge on shared care models for health care and vocational rehabilitation services. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02872051 . Retrospectively registered on 15 August 2016. PMID- 29197416 TI - Joint awareness in posttraumatic osteoarthritis of the knee: validation of the forgotten joint score in long term condition after tibial plateau fracture. AB - BACKGROUND: Evaluating patient-reported outcomes (PRO) in early osteoarthritis (OA) of the knee is difficult. Established measurement tools are focused on one of the two major patient groups in knee surgery: young, highly active patients, or older patients with advanced degenerative OA of the knee. Joint awareness in everyday life is a crucial criterion in measuring PRO. The purpose of this study was to validate a German version of the "Forgotten Joint Score" (FJS) in patients after surgical treatment of tibial plateau fractures. METHODS: In this prospective cohort study, clinical and radiological outcomes data were collected from patients after surgical treatment of tibial plateau fractures following a skiing accident. Functional outcome questionnaires were administered including the FJS, the Lysholm-Score, the Tegner-Activity Scale (TAS), the EuroQol-5D (EQ 5 D), and a subjective rating of change. The validation study was carried out according to the COSMIN checklist protocol. The KLS was used to measure the presence and severity of OA on knee radiographs, and correlation with the FJS was measured. RESULTS: Cronbach's alpha was .96 (95%-CI .92, .99) confirming good internal consistency. Test-retest reliability of the FJS was high with an ICC(67) = .91 (95%-CI .85,.95). Furthermore, no relevant floor or ceiling effects were observed. FJS significantly differed in patients with different OA degrees (p = .041). Symptomatic patients had significant lower FJS than asymptomatic patients (p < .001). CONCLUSIONS: This is the first study validating a disease-specific PRO, the FJS, in long-term outcomes after joint fracture. We demonstrated good psychometric properties and a significant correlation between the FJS and the radiologic degree of OA in patients with a history of tibial plateau fracture. TRIAL REGISTRATION: Clinical Trial Registry University of Regensburg Z-2015-0872 2 . Registered 01. October 2015. PMID- 29197415 TI - Variability in adherence to clinical practice guidelines and recommendations in COPD outpatients: a multi-level, cross-sectional analysis of the EPOCONSUL study. AB - BACKGROUND: Clinical audits have reported considerable variability in COPD medical care and frequent inconsistencies with recommendations. The objectives of this study were to identify factors associated with a better adherence to clinical practice guidelines and to explore determinants of this variability at the the hospital level. METHODS: EPOCONSUL is a Spanish nationwide clinical audit that evaluates the outpatient management of COPD. Multilevel logistic regression with two levels was performed to assess the relationships between individual and disease-related factors, as well as hospital characteristics. RESULTS: A total of 4508 clinical records of COPD patients from 59 Spanish hospitals were evaluated. High variability was observed among hospitals in terms of medical care. Some of the patient's characteristics (airflow obstruction, degree of dyspnea, exacerbation risk, presence of comorbidities), the hospital factors (size and respiratory nurses available) and treatment at a specialized COPD outpatient clinic were identified as factors associated with a better adherence to recommendations, although this only explains a small proportion of the total variance. CONCLUSION: To be treated at a specialized COPD outpatient clinic and some intrinsic patient characteristics were factors associated with a better adherence to guideline recommendations, although these variables were only explaining part of the high variability observed among hospitals in terms of COPD medical care. PMID- 29197417 TI - Simulation modeling for stratified breast cancer screening - a systematic review of cost and quality of life assumptions. AB - BACKGROUND: The economic evaluation of stratified breast cancer screening gains momentum, but produces also very diverse results. Systematic reviews so far focused on modeling techniques and epidemiologic assumptions. However, cost and utility parameters received only little attention. This systematic review assesses simulation models for stratified breast cancer screening based on their cost and utility parameters in each phase of breast cancer screening and care. METHODS: A literature review was conducted to compare economic evaluations with simulation models of personalized breast cancer screening. Study quality was assessed using reporting guidelines. Cost and utility inputs were extracted, standardized and structured using a care delivery framework. Studies were then clustered according to their study aim and parameters were compared within the clusters. RESULTS: Eighteen studies were identified within three study clusters. Reporting quality was very diverse in all three clusters. Only two studies in cluster 1, four studies in cluster 2 and one study in cluster 3 scored high in the quality appraisal. In addition to the quality appraisal, this review assessed if the simulation models were consistent in integrating all relevant phases of care, if utility parameters were consistent and methodological sound and if cost were compatible and consistent in the actual parameters used for screening, diagnostic work up and treatment. Of 18 studies, only three studies did not show signs of potential bias. CONCLUSION: This systematic review shows that a closer look into the cost and utility parameter can help to identify potential bias. Future simulation models should focus on integrating all relevant phases of care, using methodologically sound utility parameters and avoiding inconsistent cost parameters. PMID- 29197418 TI - Tagging to endogenous genes of Plasmodium falciparum using CRISPR/Cas9. AB - BACKGROUND: Plasmodium falciparum is the deadliest malaria parasite. Currently, there are seldom commercial antibodies against P. falciparum proteins, which greatly limits the study on Plasmodium. CRISPR/Cas9 is an efficient genome editing method, which has been employed in various organisms. However, the use of this technique in P. falciparum is still limited to gene knockout, site-specific mutation and generation of green fluorescent protein (GFP) reporter line with disruption of inserted sites. RESULTS: We have adapted the CRISPR/Cas9 system to add commercial tag sequences to endogenous genes of P. falciparum. To add HA or HA-TY1 tags to ck2beta1, ck2alpha and stk, pL6cs-hDHFR-ck2beta1/ck2alpha/stk was constructed, which contained sequences of tags, specific homologous arms, and sgRNA. The P. falciparum 3D7 strain was subsequently transfected with pUF1-BSD Cas9 and pL6cs-hDHFR-ck2beta1/ck2alpha/stk plasmids via electroporation. After that, BSD and WR99210 drugs were added to the culture to screen parasites containing both plasmids. Twenty days after electroporation, live parasites appeared and were collected to check the tagging by PCR, DNA sequencing, Western blotting and immuno-fluorescence assays. The results showed that the tags were successfully integrated into the C-terminus of these three proteins. CONCLUSIONS: We have improved the method to integrate tags to Plasmodium falciparum genes using the CRISPR/Cas9 method, which lays the foundation for further study of Plasmodium falciparum at the molecular level. PMID- 29197419 TI - Underexplored diversity of gill monogeneans in cichlids from Lake Tanganyika: eight new species of Cichlidogyrus Paperna, 1960 (Monogenea: Dactylogyridae) from the northern basin of the lake, with remarks on the vagina and the heel of the male copulatory organ. AB - BACKGROUND: Lake Tanganyika harbours the most diverse cichlid assemblage of the Great African Lakes. Considering its cichlid flocks consist of approximately 250 endemic species, we can hypothesize a high species-richness in their often quite host-specific monogenean ectoparasites belonging to Cichlidogyrus Paperna, 1960. Yet, only 24 species were described from Tanganyikan hosts and some host tribes have never been investigated for monogeneans. This study presents the first parasitological examination of species of the tribes Cyprichromini (Cyprichromis microlepidotus (Poll, 1956)), Eretmodini (Eretmodus marksmithi Burgess, 2012 and Tanganicodus irsacae Poll, 1950) and Ectodini (Aulonocranus dewindti (Boulenger, 1899)). Specimens of the ectodine Ophthalmotilapia nasuta (Poll & Matthes, 1962) from which four Cichlidogyrus spp. have been previously described from more southern localities were also studied. Further, we discuss the haptor configuration in Tanganyikan Cichlidogyrus spp. and highlight the morphological diversity of the vagina, and that of the heel, a sclerotized part of the male copulatory organ, absent in some species of Cichlidogyrus. METHODS: Cichlidogyrus spp. were isolated from gills and fixed using GAP. Haptoral and genital hard parts were measured and drawn by means of a phase contrast microscopic examination. RESULTS: We describe eight new species: Cichlidogyrus milangelnari n. sp. on C. microlepidotus; C. jeanloujustinei n. sp. on E. marksmithi; C. evikae n. sp. on T. irsacae; C. aspiralis n. sp., C. glacicremoratus n. sp. and C. rectangulus n. sp. on O. nasuta; and C. pseudoaspiralis n. sp. and C. discophonum n. sp. on A. dewindti. Three haptoral morphotypes were recognized among the new species. Species of Cichlidogyrus from closely related hosts exhibited the same morphotypes. Geographical variation in Cichlidogyrus spp. fauna as observed in O. nasuta and three morphotypes were distinguished. Finally, we listed 111 Cichlidogyrus species, of which 27 and three Tanganyikan species lack sclerotized vagina and heel, respectively, just like 19 and seven species outside of the lake. CONCLUSIONS: Haptoral and genital features in the Tanganyikan Cichlidogyrus fauna reflect the phylogenetic relationships of their cichlid hosts. It seems that several lineages of Cichlidogyrus spp. exist in Lake Tanganyika but further studies are necessary to confirm this hypothesis and answer questions related to Lake Tanganyika and its cichlids. PMID- 29197420 TI - Ovarian mucinous borderline tumor accompanied by LGESS with myxoid change: a case report and literature review. AB - OBJECTIVES: To report an extremely rare case of ovarian borderline mucinous cystic tumor accompanied by low-grade endometrial stromal sarcoma (LGESS) with myxoid change. CASE PRESENTATION: A 42-year-old woman complained of lower left abdominal fullness. Her serum carcinoembryonic antigen, cancer antigen (CA) 125, and CA19-9 levels were normal. Magnetic resonance imaging showed a 10-cm cystic mass with a 5-cm nodule in its wall, and a laparoscopy indicated a cystic mass at the left adnexa. Histology indicated a cystic lesion consisting of proliferative gastrointestinal-type epithelium; the mural nodule had a characteristic of striking myxoid change, preservation of arteriolar pattern, and a "tongue-like" infiltration. CONCLUSIONS: The diagnosis of ovarian mucinous borderline tumor accompanied by LGESS with myxoid change was appropriate. PMID- 29197421 TI - Epidemiology of viral hepatitis in the Republic of Congo: review. AB - OBJECTIVE: Considered an endemic zone, Republic of Congo has a high seroprevalence rate of hepatitis B and C virus. To know the extent of hepatitis infection as a public health problem, we reviewed published literature and other sources for reports of these viral infections in the country. RESULTS: High seroprevalence of HBV and HCV carriage in blood donors were observed in studies confirming Congo's place in the hyperendemic area of HBV and HCV infection. These prevalence were compared by Chi square test. We compared the prevalence of three studies conducted in 1996, 2015 and 2016. The statistical results were very significant. HBV genotype E was most prevalent. Very few studies were done on pregnant women. Difficulties in the care and management of patients were also noted because of the high cost of often unavailable treatments. Difficulties arise, however, when an attempt was made to implement the National Hepatitis Control Program. Despite studies conducted on hepatitis prevalence, health interventions are still needed to care and manage these patients and the need to implement the national hepatitis control is more pressing in the Congo. PMID- 29197422 TI - The acaricidal speed of kill of orally administered fluralaner against poultry red mites (Dermanyssus gallinae) on laying hens and its impact on mite reproduction. AB - BACKGROUND: Dermanyssus gallinae, the poultry red mite, is a growing threat to chickens in poultry farms. This nocturnal hematophagous ectoparasite has a rapid rate of proliferation with a negative impact on the birds' health, welfare and productivity resulting in severe economic consequences for poultry farmers. A study was performed with fluralaner, a novel systemic ectoparasiticide, to evaluate its effect on mite vitality and reproduction after oral administration to laying hens. METHODS: Sixteen healthy hens were randomly allocated to two study groups (n = 8). One group was orally treated with fluralaner by gavage at a dose of 0.5 mg/kg bodyweight twice 7 days apart. The negative control group received no treatment. Hens in each group were repeatedly infested with approximately 200 unfed adult D. gallinae at 1, 5, 8, 12, 15, 19, 22 and 26 days after the initial administration. After infestation and feeding for 2.5 h, 25 engorged mites per hen were collected and incubated in tubes. Mites were assessed for vitality (dead/live) at 4, 8, 12, and 24 h after each infestation. Tubes containing eggs and/or living mites were incubated another 8 days for assessment of mite reproductive capacity. RESULTS: Fluralaner demonstrated a fast speed of kill in mites within 4 h post-infestation for 12 days after treatment initiation. An efficacy (mite mortality) of 98.7-100% was achieved. At 15 days after treatment initiation, 100% efficacy was achieved within 24 h post-infestation, and no mite oviposition occurred during this period. Nineteen days after treatment initiation, the mites' ability to generate nymphs was reduced by 90.8%, which decreased to < 24.1% at later infestations. CONCLUSIONS: Fluralaner administered orally to hens twice, 7 days apart, provides efficacy against experimental poultry red mite infestation for at least 2 weeks. The demonstrated rapid speed of kill results in substantial depletion of the mites' oviposition and suggests that fluralaner can be an effective tool in the control of D. gallinae, one of the most urgent problems in poultry farms. PMID- 29197423 TI - Amnestic MCI patients' experiences after disclosure of their amyloid PET result in a research context. AB - BACKGROUND: Biomarkers such as amyloid imaging are increasingly used for diagnosis in the early stages of Alzheimer's disease. Very few studies have examined this from the perspective of the patient. To date, there is only limited evidence about how patients experience and value disclosure in an early disease stage. METHODS: Semistructured interviews were carried out with 38 patients with amnestic mild cognitive impairment as part of an investigator-driven diagnostic trial (EudraCT, 2013-004671-12; registered on 20 June 2014) in which participants could opt to know the binary outcome (positive/negative) result of their amyloid positron emission tomography (PET) scan. Verbatim transcripts of the interviews were evaluated using qualitative content analysis and NVivo 11 software. RESULTS: Eight of 38 patients received a positive amyloid PET scan result, and the remaining 30 patients received a negative amyloid PET scan result. After disclosure of the result to the patients, we interviewed each patient twice: 2 weeks after disclosure and 6 months after disclosure. Patients had difficulties in repeating the exact words used during disclosure of their amyloid PET scan result by the neurologist; yet, they could recall the core message of the result in their own words. Some patients were confused by the terminology of an amyloid positive/negative test result. At 6 months, two of eight patients with a positive amyloid PET scan result experienced emotional difficulties (sadness, feeling worried). Three of 30 patients with a negative amyloid PET scan result started to doubt whether they had received the correct result. Patients reported that they experienced advantages after the disclosure, such as information about their health status, the possibility of making practical arrangements, medication, enjoying life more, and a positive impact on relationships. They also reported disadvantages following disclosure, such as having emotional difficulties, feeling worried about when their symptoms might worsen, the risk of a more patronizing attitude by relatives, and the possibility of a wrong diagnosis. CONCLUSIONS: This exploratory study shows that the majority of patients can accurately recall the information received during disclosure. The experienced advantages and disadvantages reported by our patients depended on the outcome of the result (positive or negative) and the interval of the conducted interview (2 weeks or 6 months after amyloid PET disclosure). Discrepancies were found between patients' expectations according to the interview prior to amyloid PET disclosure (Vanderschaeghe et al. [Neuroethics. 2017;10:281-97]) and their actual experiences after their amyloid PET disclosure. PMID- 29197424 TI - MetaLab: an automated pipeline for metaproteomic data analysis. AB - BACKGROUND: Research involving microbial ecosystems has drawn increasing attention in recent years. Studying microbe-microbe, host-microbe, and environment-microbe interactions are essential for the understanding of microbial ecosystems. Currently, metaproteomics provide qualitative and quantitative information of proteins, providing insights into the functional changes of microbial communities. However, computational analysis of large-scale data generated in metaproteomic studies remains a challenge. Conventional proteomic software have difficulties dealing with the extreme complexity and species diversity present in microbiome samples leading to lower rates of peptide and protein identification. To address this issue, we previously developed the MetaPro-IQ approach for highly efficient microbial protein/peptide identification and quantification. RESULT: Here, we developed an integrated software platform, named MetaLab, providing a complete and automated, user-friendly pipeline for fast microbial protein identification, quantification, as well as taxonomic profiling, directly from mass spectrometry raw data. Spectral clustering adopted in the pre-processing step dramatically improved the speed of peptide identification from database searches. Quantitative information of identified peptides was used for estimating the relative abundance of taxa at all phylogenetic ranks. Taxonomy result files exported by MetaLab are fully compatible with widely used metagenomics tools. Herein, the potential of MetaLab is evaluated by reanalyzing a metaproteomic dataset from mouse gut microbiome samples. CONCLUSION: MetaLab is a fully automatic software platform enabling an integrated data-processing pipeline for metaproteomics. The function of sample specific database generation can be very advantageous for searching peptides against huge protein databases. It provides a seamless connection between peptide determination and taxonomic profiling; therefore, the peptide abundance is readily used for measuring the microbial variations. MetaLab is designed as a versatile, efficient, and easy-to-use tool which can greatly simplify the procedure of metaproteomic data analysis for researchers in microbiome studies. PMID- 29197425 TI - Physical abrasion method using submerged spike balls to remove algal biofilm from photobioreactors. AB - OBJECTIVE: A major factor in practical application of photobioreactors (PBR) is the adhesion of algal cells onto their inner walls. Optimized algal growth requires an adequate sunlight for the photosynthesis and cell growth. Limitation in light exposure adversely affects the algal biomass yield. The removal of the biofilm from PBR is a challenging and expansive task. This study was designed to develop an inexpensive technique to prevent adhesion of algal biofilm on tubular PBR to ensure high efficiency of light utilization. Rubber balls with surface projections were introduced into the reactor, to remove the adherent biofilm by physical abrasion technique. RESULTS: The floatation of spike balls created a turbulent flow, thereby inhibiting further biofilm formation. The parameters such as, specific growth rate and doubling time of the algae before introducing the balls were 0.451 day-1 and 1.5 days respectively. Visible biofilm impeding light transmission was formed by 15-20 days. The removal of the biofilm commenced immediately after the introduction of the spike balls with visibly reduced deposits in 3 days. This was also validated by enhance cell count (6.95 * 106 cells mL-1) in the medium. The employment of spike balls in PBR is an environmental friendly and economical method for the removal of biofilm. PMID- 29197426 TI - Phenotypic and genotypic monitoring of Schistosoma mansoni in Tanzanian schoolchildren five years into a preventative chemotherapy national control programme. AB - BACKGROUND: Schistosoma mansoni is a parasite of profound medical importance. Current control focusses on mass praziquantel (PZQ) treatment of populations in endemic areas, termed Preventative Chemotherapy (PC). Large-scale PC programmes exert prolonged selection pressures on parasites with the potential for, direct and/or indirect, emergence of drug resistance. Molecular methods can help monitor genetic changes of schistosome populations over time and in response to drug treatment, as well as estimate adult worm burdens through parentage analysis. Furthermore, methods such as in vitro drug sensitivity assays help phenotype in vivo parasite genotypic drug efficacy. METHODS: We conducted combined in vitro PZQ efficacy testing with population genetic analyses of S. mansoni collected from children from two schools in 2010, five years after the introduction of a National Control Programme. Children at one school had received four annual PZQ treatments and the other school had received two mass treatments in total. We compared genetic differentiation, indices of genetic diversity, and estimated adult worm burden from parasites collected in 2010 with samples collected in 2005 (before the control programme began) and in 2006 (six months after the first PZQ treatment). Using 2010 larval samples, we also compared the genetic similarity of those with high and low in vitro sensitivity to PZQ. RESULTS: We demonstrated that there were individual parasites with reduced PZQ susceptibility in the 2010 collections, as evidenced by our in vitro larval behavioural phenotypic assay. There was no evidence, however, that miracidia showing phenotypically reduced susceptibility clustered together genetically. Molecular analysis also demonstrated a significant reduction of adult worm load over time, despite little evidence of reduction in parasite infection intensity, as measured by egg output. Genetic diversity of infections did not reduce over time, despite changes in the genetic composition of the parasite populations. CONCLUSIONS: Genotypic and phenotypic monitoring did not indicate a selective sweep, as may be expected if PZQ treatment was selecting a small number of related "resistant" parasites, but there was evidence of genetic changes at the population level over time. Genetic data were used to estimate adult worm burdens, which unlike parasite infection intensity, showed reductions over time, suggesting the relaxation of negative density-dependent constraints on parasite fecundity with PZQ treatment. We thereby demonstrated that density-dependence in schistosome populations may complicate evaluation and monitoring of control programmes. PMID- 29197427 TI - Mycobacterium tuberculosis Complex Drug Resistance in a High Tuberculosis Incidence Area from the WHO Eastern Mediterranean Region. AB - PURPOSE: The incidence of tuberculosis (TB) in Golestan province of Iran has been ranked 10th among countries of World Health Organization (WHO) Eastern Mediterranean Region. The province is residence of ethnically heterogeneous groups. However, there are limited data on Mycobacterium tuberculosis drug resistance in this province. The main aim of this study was to determine the resistance profile of M. tuberculosis complex (MTBC) isolates to first-line anti TB drugs. METHODS: The clinical specimens were collected from 11807 cases diagnosed during this study. MTBC isolates were tested for susceptibility to first-line anti-TB drugs. RESULTS: A total of 176 new cases were diagnosed as culture positive for MTBC. There was one case that had multidrug-resistant (MDR) isolate and 18 (10.2%) had isolates that were resistant to at least one drug (any drug resistant). Resistance to streptomycin and isoniazid was noted in 15 (8.5%) and 5 isolates (2.8%), respectively. Also, a statistically significant association was observed between age groups and any drug resistance pattern (p = 0.022): 1-24 years vs. 25-45 years (p = 0.033), 25-45 years vs. >65 years (p = 0.010), 46-65 years vs. >65 years (p = 0.050). One third of any drug resistant isolates were obtained from TB patients of Persian ethnic group. CONCLUSION: Despite the high incidence of TB, the rate of MDR-TB in Golestan province was similar to those reported by WHO for Iranian new cases from other regions. One tenth of the studied isolates showed any drug resistance pattern. This rate of any drug resistance implies the possibility of initial resistance of MTBC isolates circulating in this region. PMID- 29197428 TI - Thiazolidinedione or Rhodanine: A Study on Synthesis and Anticancer Activity Comparison of Novel Thiazole Derivatives. AB - PURPOSE: A new series of thiazolyl-2,4-thiazolidinedione / rhodanine compounds T1 T23 was synthesized and tested for their anticancer activities. Hepatocellular carcinoma cell lines were chosen due to their strong drug resistance to test the new compounds. METHODS: All compounds were synthesized via Knoevenagel Condensation reaction and thiazolidinedione ester compounds (T3,T9,T15,T20) were hydrolyzed for obtaining the acidic compounds (T6,T12,T17,T23). All compounds were firstly screened for their anticancer activity against two hepatocellular carcinoma (HCC) cell lines, Huh7 and Plc/Prf/5 (Plc) cell lines by sulforhodamine B assay. Further IC50 values were calculated for three candidates (T4, T15, T21) in five different HCC (Huh7, Plc, Snu449, HepG2, Hep3B) and one breast cancer (Mcf7) cell line. RESULTS: Compounds T4, T15, T21 had very strong anticancer effects even though their 10 uM concentration in Huh7 cell line. According to IC50 values, T21 was the most effective compound with IC50 values in a range from 2 to 16 uM in 6 cancer cell lines. In terms of cytotoxicity T21 mostly affected Huh7 and interestingly it was less effective against Plc. CONCLUSIONS: Considering these results it can be suggested that compounds T4, T15 and T21 may lead to the development of more potent anticancer drugs in the future. This article is open to POST-PUBLICATION REVIEW. Registered readers (see "For Readers") may comment by clicking on ABSTRACT on the issue's contents page. PMID- 29197429 TI - The Economic Contribution of Industry-Sponsored Pharmaceutical Clinical Trials. AB - PURPOSE: In pharmaceutical clinical trials, industrial sponsors pay for study drugs and related healthcare services. We conducted a study to determine industry's economic contribution of these trials to the Alberta healthcare system. Methods: We used data from two trial centers for cancer and non-cancer trials at the University of Alberta. For each trial (cancer, non-cancer), we calculated the cost of drugs provided by the sponsors using the market price, the cost of clinical services, and the cost of administrative services that they paid. We extrapolated these results to all trials in Alberta based on information obtained from the registration website ClinicalTrials.gov. Results: Our sample consisted of 40 non-cancer and 39 cancer drug trials which were initiated in 2012. The monetary value of the industry sponsors' contribution was $799,055 per non-cancer and $630,243 per cancer drug trial. Drugs (in-trial and post-trial) accounted for 84% of the total contribution of the non-cancer drug trials whereas it represented 93% of all trial-related contributions in the cancer category. The total province-wide contribution of industry-sponsored drug trials which were initiated in 2012 was estimated to be $101 million, including open-label drugs in the non-cancer category. Conclusions: Industry-sponsored pharmaceutical trials represent a major economic contributor to clinical research within the province. PMID- 29197430 TI - Corrigendum to "Methodology for reliable and reproducible cryopreservation of human cervical tissue" [Cryobiology 77 (August) (2017) 14-18]. PMID- 29197431 TI - Measuring Adherence to Evidence-Based Clinical Practice Guidelines. AB - OBJECTIVES: Dental Health Services Victoria publishes evidence-based clinical practice guidelines (CPGs) to assist public oral health practitioners to provide high-quality dental care. How well these CPGs are implemented into practice is unknown. The aim of this study was to assess adherence to selected CPGs. METHODS: An electronic auditing tool was developed using clinical indicators derived for "stainless steel crown (SSC)," "restorative care for children under general anesthetic (GA)," and "direct restorative materials" CPG. Six trained dentists audited a random sample of 204 dental records of children aged 3-12 years from 2 major public dental agencies. RESULTS: In total, 319 material-based treatments were audited, comprising 170 resin composite, 81 glass ionomer cement, 64 SSC, and 4 amalgam restorations. Adherence to the current guidelines varied from 94% of the SSC to none of the amalgam treatments audited. Almost half (47%) of the resin composite restorations and 5% of glass ionomer cement restorations were nonadherent to the relevant guideline. CONCLUSIONS: Average adherence was up to 72% of cases. Clinicians need to consider recording the rationale upon which their professional judgment is based when they decide not to follow an appropriate CPG. PMID- 29197432 TI - Predoctoral and Postdoctoral Education on Cone-Beam Computed Tomography. AB - OBJECTIVES: As the use of cone beam computed tomography (CBCT) in dentistry continues to grow, questions related to appropriate radiation safety, training, and interpretation arise. Recognizing this need, the American Dental Association published an advisory statement for the safe use of CBCT in dentistry and recommended that guidelines for appropriate training be established. The purpose of this study was to assess radiation safety concerns related to CBCT and identify voids in current education on CBCT for the predoctoral dental curriculum and continuing dental education. METHODS: A survey was mailed to general practitioners, oral surgeons, and periodontists in the Georgia Dental Association (n = 415). RESULTS: One hundred twenty-one surveys were received for a response rate of 29%. Sixty-eight percent of practitioners reported using CBCT, with 89% having used it for over 2 years. Few (12.4%) had experience with CBCT in dental school. Interest in continuing dental education on CBCT was reported at 59.8% and 43.6% for current users and nonusers of CBCT, respectively. Approximately 50% reported using precautionary radiation safety measures, and the methods used were varied. CONCLUSIONS: Although a higher survey return rate would allow for stronger evidence, this project identified some areas of education voids including radiation safety and the factors that contribute to patient dose; CBCT basics including instruction on the limitations of CBCT; CBCT anatomy and pathology with additional time dedicated to the paranasal sinuses; and interpretation. PMID- 29197433 TI - Outcomes of Dental Implant Therapy in Patients With Down Syndrome: A Systematic Review. AB - OBJECTIVES: Patients with Down syndrome (DS) require an earlier and more frequent tooth replacement than rest of the population. The objective of this systematic review is to critically analyze and summarize studies to ascertain the outcomes and survival of dental implants placed in jaws of DS patients. METHODS: Using the key words "dental implants," "Down syndrome," and "prosthodontics," an electronic search was conducted via PubMed/MEDLINE, ISI Web of Science, Google Scholar, Embase, and Central Register of Controlled Trials (CENTRAL) databases by 2 authors, S.N. and Z.K., independently. Retrieved studies were screened against the predefined exclusion and inclusion criteria. To estimate the risk of bias, quality assessment of included studies was carried using the 'Case Reports (CARE) guidelines'. RESULTS: Primary search resulted in 156 studies. Eight studies met the inclusion criteria and reporting a total of 81 dental implants placed in 36 DS patients. The type of implant loading ranged from immediate to a delay of 1 year after placement of the implant. Implant diameter ranged from 3.3 to 4.5 mm, and height ranged from 8.5 to 18 mm. The follow-up ranged from 1 to 6 years. Of 81 implants placed, 21 implants (26%) were reported as failed. CONCLUSIONS: Patients with DS have a higher risk of implant failure. However, the reason for the failure is not very well understood. Although case reports and case series suggest that implant survival is diminished in DS patients, large-scale randomized controlled trials are required to determine the exact mechanism associated with risks of implant failure. PMID- 29197434 TI - Erbium Laser Technology vs Traditional Drilling for Caries Removal: A Systematic Review with Meta-Analysis. AB - OBJECTIVE: The study aimed to assess the efficacy of erbium laser technology compared with traditional drilling for caries removal. METHODS: A systematic search was conducted through Medline via PubMed, Embase, Cochrane databases, CNKI till December 2016. Randomised controlled trials, quasi-randomized controlled trials, or controlled clinical trials with data comparing the efficacy of erbium laser technology versus traditional drilling for caries removal were included. RESULTS: Fourteen studies were selected in our meta-analysis. Erbium laser technology showed an increased time when removing caries compared with drilling (mean difference: 3.48, 95% confidence interval: 1.90-5.06, P < .0001). However, erbium laser technology reduced the requirement for local anesthesia (risk ratio: 0.28, 95% confidence interval: 0.13-0.62, P = .002). Erbium laser technology was also not significantly different to traditional drilling with regard to restoration loss, pulpal vitality, and postoperative sensitivity. CONCLUSIONS: Erbium laser technology showed an increased time for cavity preparation compared with traditional drilling. However, erbium laser technology reduced the requirement for local anesthesia. There was no significant difference between erbium laser technology and traditional drilling regarding restoration loss, pulpal vitality, and postoperative sensitivity. PMID- 29197435 TI - Gap Analysis of Older Adults With Type 2 Diabetes Receiving Nonsurgical Periodontal Therapy. AB - OBJECTIVE: Twenty percent of the elderly US population is diagnosed with diabetes. The elderly are at a higher risk of developing serious complications from diabetes. Regular professional dental care may help control blood glucose levels and thereby diabetes complications. Since such potential benefits could play a clinically significant role in diabetes management, our aim was to identify and review relevant evidence among the older population. MATERIALS AND METHODS: Electronic databases were searched for periodontal intervention studies using modified search terms from previous systematic reviews. The final search date was October 31, 2016. RESULTS: Twenty-five publications (22 studies) were included in our final review. They varied in study design, duration, therapeutic interventions, and systemic outcomes measured. No study restricted its participants to seniors, and therefore, a mean age of 55 years or more was used. Fourteen studies showed significant reductions in serum glycated hemoglobin levels, but 8 studies showed nonsignificant changes. CONCLUSION: The evidence suggests a beneficial effect of receiving periodontal care on serum glycated hemoglobin and systemic biomarker levels in older persons with T2DM. Such care would be considered a novel, safe, and acceptable adjunct to current medical management of T2DM in older individuals. The dearth of studies restricted to the elderly represents a gap in knowledge that needs to be addressed in the United States. PMID- 29197436 TI - A Novel Evidence-Based Periodontal Prognosis Model. AB - OBJECTIVE: Patients with periodontal disease and the dental professionals responsible for their care want to know which teeth are expected to respond favorably to periodontal treatment and which teeth are likely to be lost in the short and long term. A number of different periodontal prognosis systems have been previously proposed but do not consider important patient-level factors, such as smoking and diabetic control, in the calculation of the expected outcome and often use subjective measures that introduce potential inaccuracies. The aim of this report is to translate the best available evidence on periodontal prognosis into a clinical model to facilitate decision-making and improve patient outcomes. METHODS: Criteria for an ideal prognostic system were proposed and used to assess the previously reported models. With an emphasis on the inclusion of patient-level modifiers (PLMs) and the exclusive use of objective parameters, a new evidence-based model was developed. RESULTS: This report proposes a new tooth level prognosis model that uses 9 evidence-based quantifiable parameters to provide a prognosis of secure, doubtful, poor, or irrational to treat. Six tooth level risk predictors (bone loss:age, pocket depth, furcation involvement, infrabony defects, anatomical factors, and mobility) and 3 PLMs (smoking, diabetes, and bleeding on probing) are used to determine the expected course of disease with specific reference to the suitability of the tooth for future dental treatment. CONCLUSIONS: PLMs must be considered when determining the prognosis of a tooth with periodontal disease. The model proposed in this report is based on the best available evidence for factors affecting tooth survival and has been designed to be as simple and objective as possible to facilitate its adoption in clinical practice. It will be retrospectively and prospectively validated to determine its ability to accurately predict the course of disease. PMID- 29197437 TI - Periodontal Diseases and Systemic Disorders: What Do Our Doctors Know? A General Practitioner's Survey Conducted in Southern France. AB - OBJECTIVES: With 39,359 entries on PubMed, periodontal medicine has a prominent position in periodontal research. Good patient care requires well-advised physicians, and whereas the dental community is informed about the relationships between periodontal diseases (PDs) and an increasing number of systemic pathologies, we wondered whether general practitioners were too. Thus, we aimed to evaluate their knowledge of the links between periodontal and systemic diseases. METHODS: To this end, we sent an electronic questionnaire to the 2350 general practitioners registered to the URPS (Union regionale des Professionnels de Sante) of Midi-Pyrenees, France. They were asked about their practice, their attitude during a medical examination, and their knowledge about PDs. RESULTS: The analysis of 222 properly answered questionnaires showed that while most general practitioners are aware of the relationships between PDs and diabetes or cardiovascular diseases, the majority of them are unaware that obesity and respiratory and joint diseases are also concerned. Indeed, 94% of the questioned subjects consider their insight of PDs to be insufficient. Nevertheless, more than half of the interrogated physicians cared about their patients' oral health and dental care. CONCLUSIONS: Education regarding relationships between periodontal and systemic diseases must be improved among general practitioners who are in the front line to refer high-risk patients to a periodontist. PMID- 29197438 TI - Clinical Outcomes of Comparing Soft Tissue Alternatives to Free Gingival Graft: A Systematic Review and Meta-Analysis?. AB - OBJECTIVES: This systematic review and meta-analysis aimed to compare clinical outcomes and width of keratinized tissue (KT) around teeth, following the soft tissue alter- natives and free gingival graft (FGG) procedures. The specific graft materials that were explored were extracellular matrix membrane, bilayer collagen membrane, living cellular construct, and acellular dermal matrix. METHODS: Four different databases were queried to identify human controlled clinical trials and randomized controlled clinical trials that fulfilled the eligibility criteria. Relevant studies were identified by 3 independent reviewers, compiling the results of the electronic and handsearches. Studies identified through electronic and handsearches were reviewed by title, abstract, and full text using Covidence Software. Primary outcome in the present study was change in the width of KT. Results of the included studies were pooled to estimate the effect size, expressed as weighted mean differences and 95% confidence interval. A random-effects model was used to perform the meta analyses. RESULTS: Six hundred thirty-eight articles were screened by title, 55 articles were screened by abstracts, and 34 full-text articles were reviewed. Data on quantitative changes in width of KT were provided in 7 studies. Quantitative analyses revealed a significant difference in changes in width of KT between patients treated with soft tissue alternatives and patients treated with FGGs (P < .001). The weighted mean difference of changes in the width of KT was 21.39 (95% confidence interval: 21.82 to 20.96; heterogeneity I 5 70.89%), indicating patients who were treated with soft tissue alternatives gained 1.39 mm less KT width compared with the patients who received free gingival graft. CONCLUSIONS: Based on the clinical outcomes, the results of this systematic review and meta-analysis showed that soft tissue alternatives result in an increased width of KT. Patients in the soft tissue alternatives group obtained 1.39 mm less KT compared with those in the FGGs group. PMID- 29197439 TI - Halitosis Assessment and Changes in Volatile Sulfur Compounds After Chewing Gum: A Study Performed on Dentistry Students. AB - OBJECTIVE: The objective of this study is to estimate the prevalence of halitosis (with subjective and objective methods), evaluate the immediate effect of chewing gum on volatile sulfur compounds (VSCs), assess the perception of halitosis by dentistry students, and estimate the distribution of positive and negative frequencies, when comparing objective and subjective methods for the diagnosis of halitosis. METHODS: The study was performed on a sample of dentistry students attending the Faculty of Medicine and Health Sciences at the University of Barcelona. A questionnaire about halitosis perception was provided and a clinical examination, organoleptic test (OT), and gas chromatography were performed to determine the presence of halitosis. The subjects were also given chewing gum to modify their breath, and gas chromatography was carried out to evaluate possible changes in VSCs. RESULTS: The sample comprised 80 individuals. Twenty-seven (33.75%) self-perceived halitosis during the period of evaluation; the OT was positive in 38 subjects (47.5%); and individuals positive for halitosis on gas chromatography were distributed as follows: H2S in 25 (31.25%), CH3SH in 28 (35%), and (CH3)2S in 70 individuals (87.5%). A statistical difference before and after chewing gum (P < .05) was found for each VSC; a difference in frequencies was observed between the variable OT and H2S (P < .05) and between the OT and (CH3)2S (P < .001). There was no significant difference (P > .05) between the positive and negative frequencies retrieved between the variable OT and CH3SH and between the OT and the student's halitosis perception. CONCLUSION: Prevalence of halitosis in the studied sample is high, considering that it comprised healthy individuals. The relationship between the OT and gas chromatography is not completely established. Chewing gum could be considered a therapeutic alternative to decrease or neutralize the amount of VSCs present in oral breath. PMID- 29197440 TI - A Quality Analysis of Systematic Reviews in Dentistry, Part 1: Meta-Analyses of Randomized Controlled Trials. AB - OBJECTIVES: As the volume of publications in dentistry continues to increase, clinicians are becoming increasingly reliant on systematic reviews and meta analyses as their primary source of evidence. With an increase in the dependence on dental metaanalyses, it is important to ensure that they are being conducted with as little bias as possible. The objective of this systematic review is to assess the quality of therapeutic meta-analyses of randomized controlled trials (RCTs) on dental-related topics and to analyze how quality has changed over time. METHODS: All relevant studies were searched for through MEDLINE, Embase, PsycINFO, and the Cochrane Library. Title, abstract, and full-text review, as well as data extraction and quality assessment, were all conducted in duplicate. All reviewers used a pilot-tested extraction form that included the AMSTAR checklist to assess quality of systematic reviews. A logit link function ordinal regression was conducted to evaluate quality improvement trends over time. RESULTS: Of the 3832 studies identified, 208 studies were selected for review. Of these, 13% provided an a priori design, 53% screened and extracted data in duplicate, 29% included gray literature, 63% assessed the quality of included studies, and 39% assessed publication bias. As was indicated by the ordinal regression, the quality of meta-analyses, as per the AMSTAR criteria, has increased significantly with time (P < .001). CONCLUSIONS: This investigation illustrates that although the quality of meta-analyses of RCTs has been increasing since the start of the millennium, there remains substantial room for improvement within all aspects of systematic review reporting and methodology. Therefore, it is critical for clinicians to take caution when reading systematic reviews and meta-analyses, ensuring that the principals of critical appraisal are applied when interpreting meta-analyses of RCTs. PMID- 29197441 TI - No Evidence Suggests that the Clinical Effectiveness of Conventional Occlusal Splints is Superior to That of Psychosocial Interventions for Myofascial Tempromandibular Disorders Pain. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: A systematic review and meta analysis of usual treatment versus psychosocial interventions in the treatment of myofascial temporomandibular disorder pain. Fan Roldan-Barraza C, Janko S, Villanueva J, Araya I, Lauer HC. J Oral Facial Pain Headache 2014;28(3):205-22. SOURCE OF FUNDING: Self-funding TYPE OF STUDY/DESIGN: Systematic review and meta analysis. PMID- 29197442 TI - Zygomatic Implants Are a Reliable Treatment Option for Patients With Atrophic Maxilla. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Survival and Complications of Zygomatic Implants: An Updated Systematic Review. Chrcanovic BR, Albrektsson T, Wennerberg A. J Oral Maxillofac Surg 2016;74(10):1949-64. SOURCE OF FUNDING: Self funding TYPE OF STUDY/DESIGN: Systematic review and meta-analysis. PMID- 29197443 TI - High Level of Disagreement Exists Concerning the Prosthetic Maintenance of Different Mandibular Implant Overdentures. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Prosthetic maintenance of different mandibular implant overdentures: A systematic review. Assaf A, Daas M, Boittin A, Eid N, Postaire M. J Prosthet Dent 2017; 118(2):144-52. SOURCE OF FUNDING: Information not available TYPE OF STUDY/DESIGN: Systematic review. PMID- 29197444 TI - A Leukocyte- and Platelet-Rich Fibrin Showed a Regenerative Potential in Intrabony Defects and Furcation Defects but Not in Periodontal Plastic Surgery. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Regenerative potential of leucocyte- and platelet-rich fibrin. Part A: intra-bony defects, furcation defects and periodontal plastic surgery. A systematic review and meta-analysis. Castro AB, Meschi N, Temmerman A, Pinto N, Lambrechts P, Teughels W, Quirynen M. J Clin Periodontol 2017; 44(1):67-82. SOURCE OF FUNDING: Self-funded by the authors and their institution TYPE OF STUDY/DESIGN: Systematic review with meta-analysis of data. PMID- 29197445 TI - Patients Are More Satisfied With Implant-Supported Mandibular Overdentures Than With Conventional Dentures. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Comparison of implant supported mandibular overdentures and conventional dentures on quality of life: a systematic review and meta-analysis of randomized controlled studies. Sivaramakrishnan G, Sridharan K. Aust Dent J. 2016; 61(4):482-8. SOURCE OF FUNDING: The authors received no financial support for this study. TYPE OF STUDY/DESIGN: Systematic review. PMID- 29197446 TI - Children With Autism Spectrum Disorders can be Successfully Examined Using Dental Desensitization. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Predicting successful dental examinations for children with autism spectrum disorder in the context of a dental desensitization program. Nelson T, Chim A, Sheller BL, McKinney CM, Scott JM. J Am Dent Assoc 2017; 148(7): 485-92. SOURCE OF FUNDING: Not available TYPE OF STUDY: Cohort study. PMID- 29197447 TI - The New Marginal Plaque Index May Allow a More Valid Assessment of Gingival Plaque Level Than the Turesky Modification of the Quigley and Hein Index. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Establishment of a new marginal plaque index with high sensitivity for changes in oral hygiene. Deinzer R, Jahns S, Harnacke D. J Periodontol 2014; 85(12):1730-8. SOURCE OF FUNDING: The study was supported by a sponsorship from GABA International, Therwil, Switzerland. TYPE OF STUDY/DESIGN: Observational case-control study. PMID- 29197448 TI - Motivational Interviewing-Based Approaches in Dental Practice Settings May Improve Oral Health Behaviors and Outcomes. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Motivational interviewing in general dental practice: A review of the evidence. Kay EJ, Vascott D, Hocking A, Nield H. Br Dent J 2016; 221(12):785-91. SOURCE OF FUNDING: National Institute for Health Care Excellence (UK) TYPE OF STUDY/DESIGN: Systematic review. PMID- 29197449 TI - Poor Oral Health Literacy May Lead to Missed Dental Appointments. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: The association between oral health literacy and missed dental appointments. Baskaradoss JK. JADA 2016;147(11):867 74. SOURCE OF FUNDING: Information not available TYPE OF STUDY/DESIGN: Unmatched case-control study that used a convenience nonprobability sampling method. PMID- 29197450 TI - Obesity May Be a Risk Factor for Progression of Periodontal Attachment Loss in Women. AB - ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Effect of obesity on periodontal attachment loss progression: a 5-year population-based prospective study. Gaio EJ, Haas AN, Rosing CK, Opermann RV, Albandar JM, Susin C. J Clin Periodontol 2016;43(7): 557-65. SOURCE OF FUNDING: Foundation for Post-Graduate Education (CAPES), Brasilia, Brazil (grant #1614/99-1) Foundation for Research of Rio Grande do Sul, Porto Alegre, Brazil (grant #PPSUS-0700481) TYPE OF STUDY/DESIGN: Cohort Study. PMID- 29197451 TI - Does gender difference mitigate the cardioprotection by pre- and post conditioning in the clinical practice? PMID- 29197452 TI - Cost-effectiveness of prasugrel versus clopidogrel in acute coronary syndrome patients undergoing percutaneous coronary intervention. PMID- 29197453 TI - Prasugrel vs clopidogrel in contemporary Western European patients with acute coronary syndromes receiving drug-eluting stents: Comparative cost-effectiveness analysis from the BASKET-PROVE cohorts - Response to the letter to the Editor. PMID- 29197454 TI - Left atrial appendage closure: Six reasons why I wouldn't choose a percutaneous closure for my appendage. AB - Left atrial appendage has been shown as a primary source of thrombi in patients with non-valvular atrial fibrillation (AF). Non vitamin k oral anticoagulants (NOAC) have been shown to be safe and effective in the prevention of embolic complications. Current guidelines on AF state that percutaneous left atrial appendage closure (LAAC) might be considered in patients with contraindication to long term oral anticoagulant therapy (OAC). An overview of the main trials on NOAC and LAAC is provided. PMID- 29197455 TI - Percutaneous left atrial appendage closure versus oral anticoagulant: A bird in the hand is worth two in the bush? PMID- 29197456 TI - Could excessive atrial ectopic activity be an independent risk factor for ischemic stroke? PMID- 29197457 TI - "Excessive" atrial ectopy is worse than "frequent" atrial ectopy. PMID- 29197458 TI - Should small-to-moderate alcohol consumption be recommended for healthy middle aged women? PMID- 29197459 TI - Alcohol and atrial fibrillation. PMID- 29197460 TI - Atrial fibrillation impacts the outcome in Takotsubo syndrome. PMID- 29197461 TI - Ineffective and prolonged apical contraction is associated with chest pain and ischaemia in apical hypertrophic cardiomyopathy. AB - OBJECTIVES: To investigate the hypothesis that persistence of apical contraction into diastole is linked to reduced myocardial perfusion and chest pain. BACKGROUND: Apical hypertrophic cardiomyopathy (HCM) is defined by left ventricular (LV) hypertrophy predominantly of the apex. Hyperdynamic contractility resulting in obliteration of the apical cavity is often present. Apical HCM can lead to drug-refractory chest pain. METHODS: We retrospectively studied 126 subjects; 76 with apical HCM and 50 controls (31 with asymmetrical septal hypertrophy (ASH) and 19 with non-cardiac chest pain and culprit free angiograms and structurally normal hearts). Perfusion cardiac magnetic resonance imaging (CMR) scans were assessed for myocardial perfusion reserve index (MPRi), late gadolinium enhancement (LGE), LV volumes (muscle and cavity) and regional contractile persistence (apex, mid and basal LV). RESULTS: In apical HCM, apical MPRi was lower than in normal and ASH controls (p<0.05). In apical HCM, duration of contractile persistence was associated with lower MPRi (p<0.01) and chest pain (p<0.05). In multivariate regression, contractile persistence was independently associated with chest pain (p<0.01) and reduced MPRi (p<0.001). CONCLUSION: In apical HCM, regional contractile persistence is associated with impaired myocardial perfusion and chest pain. As apical myocardium makes limited contributions to stroke volume, apical contractility is also largely ineffective. Interventions to reduce apical contraction and/or muscle mass are potential therapies for improving symptoms without reducing cardiac output. PMID- 29197462 TI - Contractile persistence in apical hypertrophic cardiomyopathy: Definitely too much of a good thing. PMID- 29197464 TI - The thin tracks of periodontal bacteria and the pathogenesis of cardiovascular diseases. PMID- 29197465 TI - ADDR Editor's Collection 2017. PMID- 29197463 TI - Periodontal bacteria DNA findings in human cardiac tissue - Is there a link of periodontitis to heart valve disease? AB - BACKGROUND: The aim of the study was to detect periodontal pathogens DNA in atrial and myocardial tissue, and to investigate periodontal status and their connection to cardiac tissue inflammation. METHODS: In 30 patients, biopsy samples were taken from the atrium (A) and the ventricle myocardium (M) during aortic valve surgery. The dental examination included the dental and periodontal status (PS) and a collection of a microbiological sample. The detection of 11 periodontal pathogens DNA in oral and heart samples was carried out using PCR. The heart samples were prepared for detecting the LPS-binding protein (LBP), and for inflammation scoring on immunohistochemistry (IHC), comprising macrophages (CD68), LPS-binding protein receptor (CD14), and LBP (big42). RESULTS: 28 (93%) patients showed moderate to severe periodontitis. The periodontal pathogens in the oral samples of all patients revealed a similar distribution (3-93%). To a lesser extent and with a different distribution, these bacteria DNA were also detected in atrium and myocardium (3-27%). The LBP was detected in higher amount in atrium (0.22+/-0.16) versus myocardium (0.13+/-0.13, p=0.001). IHC showed a higher inflammation score in atrial than myocardial tissue as well as for CD14, CD68 and for LBP. Additional, periodontal findings showed a significant correlation to CD14 and CD68. CONCLUSION: The results provide evidence of the occurrence of oral bacteria DNA at the cardiac tissue, with a different impact on atrial and myocardial tissue inflammation. Influence of periodontal findings was identified, but their relevance is not yet distinct. Therefore further clinical investigations with long term implication are warranted. PMID- 29197466 TI - Kikuchi-Fujimoto Disease with Scalp Involvement. PMID- 29197467 TI - Diagnostic Tools to Use When We Suspect an Allergic Reaction to a Tattoo: A Proposal Based on Cases at Our Hospital. AB - INTRODUCTION: Tattooing has become a popular practice in western countries, particularly among younger populations. Tattoos, however, can cause complications, such as infections, allergic or foreign-body reactions, and even systemic inflammatory responses. PATIENTS AND METHODS: We conducted a retrospective study of all patients seen for tattoo-related complications at our skin allergy unit between January 2002 and December 2016. RESULTS: We studied 23 patients. Nine of these experienced early complications, all related to infection. The other 14 patients developed late reactions. Ten were diagnosed with probable allergic contact dermatitis to ink, but the suspect allergen was identified in just 3 cases and confirmed in just 1 of these. There were 2 cases of cutaneous sarcoidosis, 1 case of foreign body granuloma, and 1 case of neuropathy. CONCLUSIONS: Complications resulting from tattoos are relatively common dermatology complaints. Drawing from our experience, we propose a diagnostic algorithm designed to guide dermatologists in evaluating different reactions to tattoos and prescribing appropriate treatment. PMID- 29197468 TI - Characteristics of patients with myelomatous pleural effusion. A systematic review. AB - BACKGROUND: Myelomatous pleural effusion (MPE) is rare in multiple myeloma, and therefore its characteristics are not well defined. METHODS: A systematic review (4 online databases) was conducted of articles describing the clinical characteristics of patients with MPE, pleural effusion's biochemical characteristics and treatment efficacy. We analysed isolated cases and small retrospective series. RESULTS: We included 98 articles with a total of 153 patients with MPE. The median age was 62years, and the ratio of males to females was 1.7:1. The most common symptoms were dyspnoea (98.8%), bone pain (100%) and chest pain (95.3%), and the most relevant abnormal laboratory test results were anaemia (90.1%) and renal failure (53.8%). MPE was predominantly unilateral (63.9%) and covered more than two-thirds of the hemithorax (54.5%). The pleural fluid (PF) had a haematologic/serohaematologic appearance (87%) and met the criteria for lymphocytic (78.6%) exudate (94.7%). The most cost-effective diagnostic procedures were pleural cytology (95.9%) and the observation of a monoclonal peak in the PF (94.7%). In a significant proportion of patients (54.7%), the MPE did not respond to treatment, and the best response was achieved when chemotherapy (with/without corticosteroids) was combined with therapeutic thoracentesis, chest drainage or pleurodesis. CONCLUSIONS: MPE predominates in middle to older age men, is symptomatic and is usually unilateral. PF is an exudate with a haemorrhagic appearance, and the most cost-effective diagnostic procedure is pleural cytology. Treatment response is unfavourable in more than half of patients. PMID- 29197469 TI - Editorial. PMID- 29197470 TI - Morphologic Findings in Donor (Transplanted) Hearts at Necropsy Early and Late After Orthotopic Heart Transplantation. AB - Little necropsy information is available on donor hearts in place in recipients for varying periods. Necropsy studies were performed in 79 patients who had survived from 1 day to 17 years after orthotopic heart transplantation (OHT). At OHT, the 79 patients ranged in age from 3 to 70 years (mean 51), and at death, from 20 to 76 years (mean 54). The native hearts tended to be larger than the donor hearts in the 22 patients surviving <=60 days and the donor hearts tended to be larger in the 57 patients surviving >60 days, suggesting that the donor hearts increased in weight with time. Cardiac adiposity increased with time. Grossly visible myocardial lesions were seen in 24 (30%) of the 79 cases: necrosis only in 20; fibrosis only in 2, and both in 2. One or more epicardial coronary arteries were narrowed >75% in cross-sectional area in 25 (32%), 1 of whom was in the group surviving <=60 days. The right ventricular cavity was dilated in 73 cases (92%) and the left ventricular cavity in 39 cases. Evidence of graft rejection (lymphocytic infiltrates) was found in 50 patients (63%); in 8 (36%) of the 22 patients surviving <=60 days, and in 42 (74%) of the 57 surviving >60 days. The lymphocytic infiltrates were largest in the subepicardial adipose tissue, next in myocardium, and least in endocardium. The quantity of the cellular infiltrates varied considerably among the patients. In conclusion, with time, the donor hearts tended to increase in weight, in the quantity of adipose tissue, in the amounts of coronary narrowing, in the frequency of ventricular cavity dilatation (particularly the right ventricle), and in the frequency of lymphocytic infiltrates (evidence of rejection). PMID- 29197471 TI - Comparison of Utilization Trends, Indications, and Complications of Endomyocardial Biopsy in Native Versus Donor Hearts (from the Nationwide Inpatient Sample 2002 to 2014). AB - Native heart endomyocardial biopsy (NH-EMB) is an infrequently performed procedure. The objective of this study is to describe utilization trends, indications, and complications associated with NH-EMB in the United States and compare them with transplanted heart endomyocardial biopsy (TH-EMB). Using the Healthcare Cost and Utilization Project National Inpatient Sample database, we identified 71,105 adult patients undergoing EMB in the inpatient setting in participating hospitals from 2002 to 2014. A total of 20,770 (29%) were performed on NHs (mean age 52.2 +/- 15.3, 61% men). Approximately half of patients were white and mean Charlson co-morbidity index was 1.97 +/- 1.6. Common indications for NH-EMB included a suspected primary cardiomyopathy (disorder confined to the myocardium), heart failure without cardiogenic shock, and acute myocarditis. Less common indications included heart failure with cardiogenic shock, unexplained heart failure with ventricular tachycardia or high-degree atrioventricular block, and cardiac neoplasms. Complications included pericardial effusion (3.8%), third degree atrioventricular block (2.7%), vascular complications (1.9%), and deep venous thrombosis (3.5%), in others. Predictors of complications included presence of a cardiac malignant neoplasm, use of hemodynamic support, heart failure with ventricular tachyarrhythmias, and female gender. Compared with NH EMB, TH-EMB was associated with lower rates of pericardial effusion, third-degree atrioventricular block, ventricular tachyarrhythmias requiring cardioversion, and higher rates of deep venous thrombosis, infections, and pneumothorax. NH-EMB utilization is low in the United States and constitutes less than 1/3 of all EMBs performed. PMID- 29197472 TI - Frequency of Inverted Electrocardiographic T Waves (Cerebral T Waves) in Patients With Acute Strokes and Their Relation to Left Ventricular Wall Motion Abnormalities. AB - Transient, symmetric, and deep inverted electrocardiogram (ECG) T waves in the setting of stroke, commonly referred to as cerebral T waves, are rare, and the underlying mechanism is unclear. Our study aimed to test the hypothesis that cerebral T waves are associated with transient cardiac dysfunction. This retrospective study included 800 patients admitted with the primary diagnosis of hemorrhagic or ischemic stroke. ECGs were examined for cerebral T waves, defined as T-wave inversion of >=5 mm depth in >=4 contiguous precordial leads. Echocardiograms of those meeting these criteria were examined for the presence of left ventricular (LV) wall motion abnormalities. Follow-up evaluation included both ECG and echocardiogram. Of the 800 patients, 17 had cerebral T waves on ECG (2.1%). All 17 patients had ischemic strokes, of which 11 were in the middle cerebral artery distribution (65%), and 2 were cerebellar (12%), whereas the remaining 4 involved other locations. Follow-up ECG showed resolution of the T wave changes in all 17 patients. Of these patients, 14 (82%) had normal wall motion, and 3 had transient wall motion abnormalities (18%). Two of these patients had Takotsubo-like cardiomyopathy with apical ballooning, and the third had globally reduced LV function. Coronary angiography showed no significant disease to explain the LV dysfunction. In summary, in our cohort of patients with acute stroke, cerebral T waves were rare and occurred only in ischemic stroke. Eighteen percent of patients with cerebral T waves had significant transient wall motion abnormalities. Patients with stroke with cerebral T waves, especially in those with ischemic strokes, should be assessed for cardiac dysfunction. PMID- 29197473 TI - Electrocardiographic Findings in Patients With Acute Coronary Syndrome Presenting With Out-of-Hospital Cardiac Arrest. AB - We sought to characterize presenting electrocardiographic findings in patients with acute coronary syndromes (ACSs) and out-of-hospital cardiac arrest (OHCA). In the Global Registry of Acute Coronary Events and Canadian ACS Registry I, we examined presenting and 24- to 48-hour follow-up ECGs (electrocardiogram) of ACS patients who survived to hospital admission, stratified by presentation with OHCA. We assessed the prevalence of ST-segment deviation and bundle branch blocks (assessed by an independent ECG core laboratory) and their association with in hospital and 6-month mortality among those with OHCA. Of the 12,040 ACS patients, 215 (1.8%) survived to hospital admission after OHCA. Those with OHCA had higher presenting rates of ST-segment elevation, ST-segment depression, T-wave inversion, precordial Q-waves, left bundle branch block (LBBB), and right bundle branch block (RBBB) than those without. Among patients with OHCA, those with ST segment elevation had significantly lower in-hospital mortality (20.9% vs 33.0%, p = 0.044) and a trend toward lower 6-month mortality (27% vs 39%, p = 0.060) compared with those without ST-segment elevation. Conversely, among OCHA patients, LBBB was associated with significantly higher in-hospital and 6-month mortality rates (58% vs 22%, p <0.001, and 65% vs 28%, p <0.001, respectively). ST-segment depression and RBBB were not associated with either outcome. Sixty three percent of bundle branch blocks (RBBB or LBBB) on the presenting ECG resolved by 24 to 48 hours. In conclusion, compared with ACS patients without cardiac arrest, those with OHCA had higher rates of ST-segment elevation, LBBB, and RBBB on admission. Among OHCA patients, ST-segment elevation was associated with lower in-hospital mortality, whereas LBBB was associated with higher in hospital and 6-month mortality. PMID- 29197474 TI - Venomics reveals novel ion transport peptide-likes (ITPLs) from the parasitoid wasp Tetrastichus brontispae. AB - Despite substantial advances in uncovering constituents of parasitoid venoms due to their potential applications as insecticides and pharmaceuticals, most of these studies are primarily restricted to braconid and ichneumonid wasps. Little information is available regarding virulent factors from venom of Eulophidae. In order to provide insight into the venom components of this family and parasitoid venom evolution, a venom protein repertoire (venomics) of the endoparasitoid wasp, Tetrastichus brontispae was deciphered using a proteomic approach. A large number of diverse venom proteins/peptides were identified, including novel proteins and those proteins commonly found in the venoms of other parasitoids such as serine protease, esterase, dipeptidyl peptidase IV, acid phosphatase, major royal jelly protein, superoxide dismutase, and venom allergen 3/5. Three ion transport peptide-likes (ITPLs) were abundantly detected in T. brontispae venom. Of these, two of them are reported as a novel form for the first time, with the characteristics of lengthened amino acid sequences and additional cysteine residues. These venom ITPLs are obviously apart from other general members within the crustacean hyperglycemic hormone/ion transport peptide (CHH/ITP) family. It implies that they would evolve unique functions essential for parasitism success. PMID- 29197475 TI - Effect of aging on post-saccadic oscillations. AB - Recent research have shown that the eye movement data measured by an eye tracker does not necessarily reflect the exact rotations of the eyeball. For example, post-saccadic eye movements may be more reflecting the relative movements between the pupil and the iris rather than the eyeball oscillations. Since, accurate measurement of eye movements is important in many studies, it is crucial to identify different factors that influence the dynamics of the eye movements measured by an eye tracker. Previous studies have shown that deformation of the internal structure of the iris and size of the pupil directly affect the amplitude of the post-saccadic oscillations that are measured by video-based eye trackers that are pupil-based. In this paper, we look at the effect of aging on post-saccadic oscillations. We recorded eye movements from a group of 43 young and 22 older participants during an abstract and a more natural viewing task. The recording was conducted with a video-based eye tracker using the pupil center and corneal reflection. We anticipated that changes in the muscle strength as an effect of aging might affect, directly or indirectly, the post-saccadic oscillations. Results showed that the size of the post-saccadic oscillations were significantly larger for our older group. The results suggests that aging has to be considered as an important factor when studying the post-saccadic eye movements. PMID- 29197476 TI - Decreasing length of stay in bariatric surgery: The power of suggestion. AB - OBJECTIVE: Enhanced recovery has been utilized to decrease length of stay and cost in bariatric surgery. We have recently focused efforts on pre-operative education with regards to discharge on the first post-operative day. The aim of this study was to determine the effectiveness of pre-operative education on discharge timing and readmission rates. METHODS: A retrospective review was conducted after revising discharge expectation education. Patients undergoing first time bariatric operations were included. Early group education focused on average patient stay of 2 postoperative days. Revised education informed patients they could go home on the first post-operative day. RESULTS: A total of 125 patients met inclusion criteria. Implementation of preoperative education was associated with a decrease in mean LOS and greater percentage of patients discharged on post-operative day one. There was no difference in readmission and complication rates. CONCLUSION: Effective pre-operative education can decrease length of stay in first time laparoscopic bariatric surgery. PMID- 29197477 TI - Neoadjuvant systemic therapy in invasive lobular breast cancer: Is it indicated? AB - BACKGROUND: This study investigated patients with invasive lobular breast carcinoma (ILC) to determine the benefit of neoadjuvant systemic therapy (NAST). METHODS: Patients with ILC treated from 2006 to 2015 were identified. Tumor characteristics and treatment data were analyzed. RESULTS: Of the 560 patients with ILC, 77 patients received NAST. Patients who received NAST presented with larger clinical T stages compared to patients who received surgery first (p < 0.001). Pathological complete response (pCR) to NAST was seen in 17% of patients. Only 14% of patients with clinically positive lymph nodes downstaged to N0. These patients were more likely to have HER2 positive tumors (p < 0.029) and larger tumor size at diagnosis (p < 0.015). Mastectomy was performed in 84% of patients and lumpectomy in 16%. CONCLUSIONS: Only a minority of patients with ILC achieve pCR. The majority of patients still undergo mastectomy; therefore the benefit of NAST in ILC appears limited. PMID- 29197479 TI - Magnetic Resonance Diffusion-Weighted Image of Sister Mary Joseph's Nodule. PMID- 29197480 TI - Imagerie par resonance magnetique de diffusion d'un nodule de soeur Marie-Joseph. PMID- 29197481 TI - Relevance of Umbilical Growth to Gynaecologists. PMID- 29197478 TI - Cardiomyocyte ionic currents in intact young and aged murine Pgc-1beta-/- atrial preparations. AB - INTRODUCTION: Recent studies reported that energetically deficient murine Pgc 1beta-/- hearts replicate age-dependent atrial arrhythmic phenotypes associated with their corresponding clinical conditions, implicating action potential (AP) conduction slowing consequent upon reduced AP upstroke rates. MATERIALS AND METHODS: We tested a hypothesis implicating Na+ current alterations as a mechanism underlying these electrophysiological phenotypes. We applied loose patch-clamp techniques to intact young and aged, WT and Pgc-1beta-/-, atrial cardiomyocyte preparations preserving their in vivo extracellular and intracellular conditions. RESULTS AND DISCUSSION: Depolarising steps activated typical voltage-dependent activating and inactivating inward (Na+) currents whose amplitude increased or decreased with the amplitudes of the activating, or preceding inactivating, steps. Maximum values of peak Na+ current were independently influenced by genotype but not age or interacting effects of genotype and age on two-way ANOVA. Neither genotype, nor age, whether independently or interactively, influenced voltages at half-maximal current, or steepness factors, for current activation and inactivation, or time constants for recovery from inactivation following repolarisation. In contrast, delayed outward (K+) currents showed similar activation and rectification properties through all experimental groups. These findings directly demonstrate and implicate reduced Na+ in contrast to unchanged K+ current, as a mechanism for slowed conduction causing atrial arrhythmogenicity in Pgc-1beta-/- hearts. PMID- 29197482 TI - Pertinence d'une excroissance a l'ombilic en gynecologie. PMID- 29197483 TI - Excerpts from the World Medical Literature. PMID- 29197484 TI - Extraits de la litterature medicale mondiale. PMID- 29197485 TI - Cervical Cancer Screening in Low-Resource Settings. PMID- 29197486 TI - The More, the Better? Combining Interventions to Prevent Preterm Birth in Women at Risk: a Systematic Review and Meta-Analysis. AB - OBJECTIVES: To systematically examine the evidence around the combination of interventions to prevent preterm birth. METHODS: Without language restrictions, we searched clinicaltrials.gov and five electronic databases (Medline, EMBASE, CINAHL, Cochrane CENTRAL, and Web of Science) up to July 7, 2016. We included randomized and non-randomized studies where asymptomatic women at risk of preterm birth received any combination of progesterone, cerclage, or pessary compared with either one or no intervention. Primary outcomes were preterm birth <34 and <37 weeks and neonatal death. Two independent reviewers extracted data using a piloted form and assessed risk and direction of bias. We pooled data with unlikely or unclear bias using random-effects meta-analyses. Comparisons with likely bias (e.g., confounding by indication) were not pooled. RESULTS: We screened 1335 results and assessed 154 full texts, including seven studies. In singletons, we found no differences in preterm birth <34 weeks when comparing pessary & progesterone with pessary alone (RR 1.30, 95% CI 0.70-2.42) or progesterone alone (RR 1.16, 95% CI 0.79-1.72). Similarly, we found no differences in preterm birth <37 weeks when comparing cerclage & progesterone with cerclage alone (RR 1.04, 95% CI 0.56-1.93) or with progesterone alone (RR 0.82, 95% CI 0.57-1.19) nor between pessary & progesterone and pessary alone (RR 1.04, 95% CI 0.62-1.74). No data were available for neonatal death in singletons. CONCLUSIONS: Despite being a common clinical practice, evidence to support the combined use of multiple versus single interventions for preventing preterm birth is scarce. PMID- 29197487 TI - No. 352-Technical Update: The Role of Early Comprehensive Fetal Anatomy Ultrasound Examination. AB - OBJECTIVE: This guideline presents an evidence-based technical update and recommendations for the performance of early comprehensive fetal anatomic scanning (ECFAS) at 11 to 16 weeks' gestation. OPTIONS: Patients at high risk for fetal anomalies and in whom traditional mid-second trimester transabdominal imaging may be challenging or who may benefit from earlier identification of fetal anomalies may be suitable for early fetal anatomy scanning. OUTCOMES: This practice may result in earlier identification of fetal anomalies and provide earlier intervention options in high-risk populations and/or in populations where mid-second trimester transabdominal scanning is challenging. TARGET POPULATION: This population consists of obstetrical patients in whom mid-second trimester ultrasound scanning will be technically challenging and patients who are at higher risk for major fetal anomalies. EVIDENCE: Published literature was retrieved through searches of PubMed and Medline in 2016 using key words. Results were restricted to controlled clinical trials, reviews, and observational studies published in English. There were no date restrictions, and searches were updated in the guideline to 2016. Grey (unpublished) literature was identified through searching the websites of health technology assessment and clinical practice guidelines and national and international medical specialty societies. No relevant studies were found. VALIDATION METHODS: The content and recommendations were drafted and agreed on by the principal authors. The Board of the SOGC approved the final draft for publication. The quality of evidence was rated using the criteria described in the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology framework. BENEFITS, HARMS, AND/OR COSTS: It is anticipated that there will be an increase in earlier detection of major fetal anomalies in the target population with the benefits of earlier interventions for those individuals. In areas where the service is not available the patient may need to travel to a nearby centre. Early fetal anatomy scanning is considered to be safe and is not expected to cause a risk to the pregnancy. GUIDELINE UPDATE: Evidence will be reviewed 5 years after publication to decide whether all or part of the guideline should be updated. However, if important new evidence is published before the 5-year cycle, the review process may be accelerated for a more rapid update of some recommendations. SPONSORS: This technical update was developed with resources funded by the SOGC. SUMMARY STATEMENTS: RECOMMENDATIONS. PMID- 29197488 TI - No 352 - Mise a jour technique : Le role de l'examen echographique precoce et exhaustif de l'anatomie foetale. PMID- 29197489 TI - No. 279-Female Sexual Health Consensus Clinical Guidelines. AB - OBJECTIVE: To establish national guidelines for the assessment of women's sexual health concerns and the provision of sexual health care for women. EVIDENCE: Published literature was retrieved through searches of PubMed, CINAHL, and the Cochrane Library from May to October 2010, using appropriate controlled vocabulary (e .g., sexuality, "sexual dysfunction," "physiological," dyspareunia) and key words (e .g ., sexual dysfunction, sex therapy, anorgasmia). Results were restricted, where possible, to systematic reviews, randomized control trials/controlled clinical trials, and observational studies. There were no language restrictions. Searches were updated on a regular basis and incorporated in the guideline to December 2010. Grey (unpublished) literature was identified through searching the websites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, clinical trial registries, and national and international medical specialty societies. Each article was screened for relevance and the full text acquired if determined to be relevant. The evidence obtained was reviewed and evaluated by the members of the Expert Workgroup established by The Society of Obstetricians and Gynaecologists of Canada. VALUES: The quality of evidence was evaluated and recommendations made using the use of criteria described by the Canadian Task Force on Preventive Health Care (Table). PMID- 29197490 TI - No 279-Directive clinique de consensus sur la sante sexuelle de la femme. PMID- 29197492 TI - N degrees 281-Classification des cesariennes au Canada : Les criteres modifies de Robson. PMID- 29197491 TI - No. 281-Classification of Caesarean Sections in Canada: The Modified Robson Criteria. AB - OBJECTIVE: To advocate for the use of a common classification system for Caesarean section across Canada. OPTIONS: A variety of clinical parameters for classification were considered. OUTCOMES: Consideration of a common system for classifying Caesarean section. EVIDENCE: Studies published in English from 1976 to December 2011 were retrieved through searches of Medline and PubMed, using appropriate controlled vocabulary and key words (Caesarean section, vaginal birth after Caesarean, classification) . Results were restricted to systematic reviews, randomized control trials/controlled clinical trials, and observational studies. Grey (unpublished) literature was identified through searching the web sites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, clinical trial registries, and the web sites of national and international medical specialty societies . VALUES: The studies reviewed were classified according to criteria described by the Canadian Task Force on Preventive Health Care, and the recommendation for practice ranked according to this classification (Table 1). SPONSORS: The Society of Obstetricians and Gynaecologists of Canada. RECOMMENDATION: Modified Robson criteria should be used to enable comparison of Caesarean section rates and indications (III-B). PMID- 29197493 TI - No. 282-Rural Maternity Care. AB - OBJECTIVE: To provide an overview of current information on issues in maternity care relevant to rural populations . EVIDENCE: Medline was searched for articles published in English from 1995 to 2012 about rural maternity care . Relevant publications and position papers from appropriate organizations were also reviewed . OUTCOMES: This information will help obstetrical care providers in rural areas to continue providing quality care for women in their communities . RECOMMENDATIONS: PMID- 29197494 TI - No 282-Soins de maternite en region rurale. PMID- 29197495 TI - Use of alternative alkali chlorides in RT and PCR of polynucleotides containing G quadruplex structures. AB - Several alkali chlorides were compared for their use in reverse transcription (RT) and PCR of different types of nucleic acid templates. On a test region of biological DNA incapable of forming G quadruplex (G4) structures, Taq DNA polymerase showed similar PCR performance with 50 mM KCl, CsCl, LiCl, and NaCl. In contrast, on a synthetic model polydeoxyribonucleotide prone to G4 formation, good PCR amplification was obtained with 50 mM CsCl, but little or none with LiCl or KCl. Similarly, in RT of a G4-prone model polyribonucleotide, MMLV reverse transcriptase produced a good yield with 50 mM CsCl, mediocre yields with LiCl or without added alkali chloride, and a poor yield with 50 mM KCl. The full RT-PCR assay starting from the G4-prone polyribonucleotide, showed good results with CsCl in both stages, poor results with LiCl, and no product formation with KCl. The model polynucleotides showed fast G quadruplex formation under PCR or RT conditions with 50 mM KCl, but not with CsCl or LiCl. The results argue for the use of CsCl instead of KCl for RT and PCR of G4-prone sequences. No advantage was observed when using the 7-deaza type nucleotide analog c7dGTP in PCR amplification of the G4-prone polydeoxyribonucleotide. PMID- 29197496 TI - Exploring the links between early life and young adulthood social experiences and men's later life psychobiology as fathers. AB - Early life cues of environmental harshness and unpredictability have been hypothesized to influence within-species variation in the timing of life history transitions and the dynamics of reproductive strategies, such as investments in mating and parenting. It is also believed that adolesence is an influential developmental period for male reproductive strategies, with those who achieve greater social and sexual success during that period maintaining faster life history strategies into adulthood. If correct, such early life and post-pubertal experiences could also help shape the psychobiological pathways that mediate reproductive strategies, including the well documented physiological shifts that occur when some men become parents. Drawing on a large sample of Filipino men (n=417), we evaluate whether men who experienced cues of harshness or unpredictability in childhood or have earlier ages at sexual debut have elevated testosterone (T) as fathers. We also test whether males who experienced a combination of early life experiences of harshness or unpredictability and had earlier ages of sexual debut during adolescence had the most elevated T as fathers. We found that fathers who experienced early life harshness and who engaged in sex at an earlier age had elevated waking T. Among men transitioning to fatherhood across the 4.5-year follow-up period of this study, those who experienced unpredictability and who engaged in sex at an earlier age showed attenuated declines in waking T between baseline and follow-up. Complementing these findings, we found that fathers who first engaged in sex at later ages had greater acute declines in T when they played with their toddlers. We suggest that these patterns could reflect programming effects of sociosexual experiences during the years following the marked biological transitions that accompany puberty, which occur along with the better-studied effects of earlier life exposures to stressors. Overall, our results support the hypothesis that early life circumstances and social and sexual experiences, from early life to young adulthood, help calibrate physiological axes as key mechanisms coordinating dynamic life history strategies. PMID- 29197497 TI - Delta-like homolog1/GATA binding protein 2 axis mediates leptin inhibition of PPARgamma2 expression in hepatic stellate cells in vitro. AB - AIMS: Peroxisome-proliferator activated receptor gamma (PPARgamma) plays a pivotal role in inhibition of hepatic stellate cell (HSC) activation, a key step for liver fibrogenesis. Adipocyte-derived hormone leptin has been shown to promote liver fibrosis in murine and human. PPARgamma includes two subtypes, PPARgamma1 and PPARgamma2. Our previous study indicated that leptin down regulated PPARgamma1 expression in HSCs. The aim of this study was to investigate the effect of leptin on PPARgamma2 expression and the underlying mechanisms in HSCs. MAIN METHODS: Real-time PCR and western blot analyses were used to examine gene expression. The promoter activities were detected by luciferase assay. KEY FINDINGS: Leptin reduced PPARgamma2 expressions at promoter level, mRNA level, and protein level in HSCs, which required beta-catenin, p38 mitogen-activated protein kinase, and delta-like homolog1 (DLK1) signaling pathways. Leptin induced GATA binding protein 2 (GATA2) expression through DLK1 pathway and GATA2 reduced PPARgamma2 expression. Ectopic expression of PPARgamma2 reduced the protein levels of alpha-smooth muscle actin and alpha1(I)collagen in HSCs. SIGNIFICANCE: Since obese patients, often accompanied by hyperleptinemia, are more prone to liver fibrosis, the data from this study might have potential implications for clarifying the mechanisms for liver fibrogenesis in obese patients with hyperleptinemia. PMID- 29197498 TI - Combination effect naringin and pravastatin in lipid profile and glucose in obese rats. AB - AIMS: The purpose of this study was to compare the effect of naringin 100mg/kg in combination with pravastatin 10mg/kg by gavage for 6weeks compared with monotherapy over lipid profiles, glucose levels and weight in murine model of obesity. MAIN METHODS: The study design was planned with 5 groups of 6 male Wistar Albina rats: Group 1: control with balanced food and vehicle (C-); Group 2: control with Obesity and vehicle (C+); Group 3: Obesity+naringin (N); Group 4: Obesity+pravastatin (P); Group 5: Obesity+pravastatin+naringin (NP). Obesity was developed with a food model. KEY FINDINGS: The naringin groups showed a decrease in weight gain and low glucose values compared to the control group (weight NP:311.4 vs C+:348.6; glucose NP: 173.12 vs C+:235.56) (p<0.05); the group with naringin+pravastatin combination showed the total cholesterol (TC), LDL and triglycerides (TGs) to normal levels (TC NP:51.6 vs C+:83.4; LDL NP:9.32 vs C+:32.32; TGs NP:39.4 vs C+:89.4) (p<0.05); but was not statistically significant compared with monotherapy. SIGNIFICANCE: The combination of naringin and pravastatin did not appear to be better than monotherapy on lipids, but its use could generate euglycemic and antiobesogenic effects, in addition to diminishing the adverse hepatic effects of pravastatin in rats. PMID- 29197499 TI - Leptospira reservoirs among wildlife in Brazil: Beyond rodents. AB - Leptospirosis is a disease of great importance in tropical regions. Infection occurs mainly through contact with water contaminated with the urine of infected animals, especially that of rodents. Despite the diversity and abundance of wild fauna in Brazil, little is known about the role of other wild species in the epidemiology of leptospirosis. This study aimed to investigate new reservoirs of Leptospira among wildlife in Brazil, using serological and molecular diagnoses in a large-sized sample. Biological samples were collected from 309 free-ranging mammals, belonging to 16 species. The majority of the animals included were opossums (Didelphis albiventris) and coatis (Nasua nasua). Blood and urine samples were subjected to the microscopic agglutination test (MAT) and real-time PCR, respectively. Genetic characterization of genomospecies was performed using PCR amplicons. Statistical analysis was applied to test associations between positive diagnoses and age, sex, season and type of environment. The prevalence of infection found via MAT and PCR was 11% and 5.5%, respectively. If these tests are taken to be complementary, the overall prevalence was 16%. The most common serogroups were Djasiman and Australis, while L. santarosai was the prevalent genomospecies. Significant differences in prevalence between animal species were observed. Greater risk of infection was detected among adult opossums than among young ones. The influence of each serogroup and genomospecies was tested for the same variables, and this revealed higher risk of infection by L. santarosai among male opossums than among females. The present study highlights the exposure and carrier status of several wild species in Brazil and it indicates that coatis and other carnivores are priorities for further investigations. PMID- 29197500 TI - Dengue endemic and its impact on the gross national product of BRAZILIAN'S economy. AB - In history disease has caused social and economic damage. Dengue is an illness typically found in the tropics that has affected more and more people. In Brazil, according to the Brazilian Institute of Geography and Statistics (IBGE), in 2013 at least 12.9% of the population (25.8 million) reported already having had dengue in their life. So, how wide are the economic impacts that dengue's contagion has on the gross national product? Using Leontief's method, it became possible to estimate the direct and indirect impact on the workforce and output by one country. Workforce absenteeism reduced the national productiveness and welfare state where we found maximum inoperability of 0.027% and a minimum of 0.002%. This paper develops a methodology for estimation of the impact dengue has incurred in each sector of an economy; designing a ranking with sectors that have been more affected and forecasting the propagation of the endemic throughout a region. This research measures the impact of dengue on economy, the result was that the total loss of the Brazilian economy in 2013 was around BRL 1,023,174,876.83; the importance of 0.02% of the Gross Domestic Product. PMID- 29197501 TI - Intuitive physics ability in systemizers relies on differential use of the internalizing system and long-term spatial representations. AB - According to the Empathizing-Systemizing theory (E-S Theory), individual differences in how people understand the physical world (systemizing) and the social world (empathizing), are two continuums in the general population with several implications, from vocational interests to skills in the social and physical domains. The underlying mechanisms of intuitive physics performance among individuals with strong systemizing and weak empathizing (systemizers) are, however, unknown. Our results affirm higher intuitive physics skills in healthy adult systemizers (N=36), and further reveal the brain mechanisms that are characteristic for those individuals in carrying out such tasks. When the participants performed intuitive physics tasks during functional magnetic resonance imaging, combined higher systemizing and lower empathizing was associated with stronger activations in parts of the default mode network (DMN, cuneus and posterior cingulate gyrus), middle occipital gyrus, and parahippocampal region. The posterior cingulate gyrus and parahippocampal gyrus were specifically associated with systemizing "brain type" even after controlling for task performance, while especially in the parietal cortex, the activation changes were simply explained by higher task performance. We therefore suggest that utilization of DMN-parahippocampal complex, suggested to play a role in internalizing and activating long-term spatial memory representations, is the factor that distinguishes systemizers from empathizers with the opposite "brain type" in intuitive physics tasks. PMID- 29197502 TI - Functional brain networks underlying idiosyncratic switching patterns in multi stable auditory perception. AB - In perceptual multi-stability, perception stochastically switches between alternative interpretations of the stimulus allowing examination of perceptual experience independent of stimulus parameters. Previous studies found that listeners show temporally stable idiosyncratic switching patterns when listening to a multi-stable auditory stimulus, such as in the auditory streaming paradigm. This inter-individual variability can be described along two dimensions, Exploration and Segregation. In the current study, we explored the functional brain networks associated with these dimensions and their constituents using electroencephalography. Results showed that Segregation and its constituents are related to brain networks operating in the theta EEG band, whereas Exploration and its constituents are related to networks in the lower and upper alpha and beta bands. Thus, the dimensions on which individuals' perception differ from each other in the auditory streaming paradigm probably reflect separate perceptual processes in the human brain. Further, the results suggest that networks mainly located in left auditory areas underlie the perception of integration, whereas perceiving the alternative patterns is accompanied by stronger interhemispheric connections. PMID- 29197503 TI - Serum metabolic profiling of type 2 diabetes mellitus in Chinese adults using an untargeted GC/TOFMS. AB - BACKGROUND: Type 2 diabetes mellitus (T2DM) is a huge burden in China. The Chinese patients with T2DM have several special clinical characteristics. Metabolomics studies predominantly have identified several distinguishing metabolites associated with T2DM in Western ancestry population. However, few previous metabolomics studies were conducted in Chinese populations. METHODS: We performed untargeted serum metabolic profiling between 30 T2DM patients and 30 healthy controls based on GC/TOFMS. Multivariate data analyses were applied to identify the distinguishing metabolites. RESULTS: Excellent separation was obtained between the two cases. And overall 54 distinguishing metabolites were identified with VIP>1 and P<0.05, which were involved in metabolic pathways of amino acid, carbohydrate, lipids, membrane transport and nucleotides. To further analyze the correlation between the identified metabolites and T2DM, 17 metabolites were selected with FC>2.0, including gentisic acid, citraconic acid, succinic acid, 2-hydroxybutanoic acid and 3-hydroxy-l-proline, the corresponding FC were respectively 5.44, 2.21, 2.10, 2.21 and -2.04. CONCLUSION: Our results demonstrated that untargeted GC/TOFMS-based metabolic approach processed well performance to identify serum distinguishing metabolites of T2DM in Chinese adults, which may be as potential biomarkers in diagnose and treatment of diabetes. And the results also provided new insight into understand the underlying molecular mechanism. PMID- 29197505 TI - A safer, urea-based in situ hybridization method improves detection of gene expression in diverse animal species. AB - In situ hybridization is a widely employed technique allowing spatial visualization of gene expression in fixed specimens. It has greatly advanced our understanding of biological processes, including developmental regulation. In situ protocols are today routinely followed in numerous laboratories, and although details might change, they all include a hybridization step, where specific antisense RNA or DNA probes anneal to the target nucleic acid sequence. This step is generally carried out at high temperatures and in a denaturing solution, called hybridization buffer, commonly containing 50% (v/v) formamide - a hazardous chemical. When applied to the soft-bodied hydrozoan medusa Clytia hemisphaerica, we found that this traditional hybridization approach was not fully satisfactory, causing extensive deterioration of morphology and tissue texture which compromised our observation and interpretation of results. We thus tested alternative solutions for in situ detection of gene expression and, inspired by optimized protocols for Northern and Southern blot analysis, we substituted the 50% formamide with an equal volume of 8M urea solution in the hybridization buffer. Our new protocol not only yielded better morphologies and tissue consistency, but also notably improved the resolution of the signal, allowing more precise localization of gene expression and reducing aspecific staining associated with problematic areas. Given the improved results and reduced manipulation risks, we tested the urea protocol on other metazoans, two brachiopod species (Novocrania anomala and Terebratalia transversa) and the priapulid worm Priapulus caudatus, obtaining a similar reduction of aspecific probe binding. Overall, substitution of formamide by urea during in situ hybridization offers a safer alternative, potentially of widespread use in research, medical and teaching contexts. We encourage other workers to test this approach on their study organisms, and hope that they will also obtain better sample preservation, more precise expression patterns and fewer problems due to aspecific staining, as we report here for Clytia medusae and Novocrania and Terebratalia developing larvae. PMID- 29197504 TI - Gata6 restricts Isl1 to the posterior of nascent hindlimb buds through Isl1 cis regulatory modules. AB - Isl1 is required for two processes during hindlimb development: initiation of the processes directing hindlimb development in the lateral plate mesoderm and configuring posterior hindlimb field in the nascent hindlimb buds. During these processes, Isl1 expression is restricted to the posterior mesenchyme of hindlimb buds. How this dynamic change in Isl1 expression is regulated remains unknown. We found that two evolutionarily conserved sequences, located 3' to the Isl1 gene, regulate LacZ transgene expression in the hindlimb-forming region in mouse embryos. Both sequences contain GATA binding motifs, and expression pattern analysis identified that Gata6 is expressed in the flank and the anterior portion of nascent hindlimb buds. Recent studies have shown that conditional inactivation of Gata6 in mice causes hindlimb-specific pre-axial polydactyly, indicating a role of Gata6 in anterior-posterior patterning of hindlimbs. We studied whether Gata6 restricts Isl1 in the nascent hindlimb bud through the cis-regulatory modules. In vitro experiments demonstrate that GATA6 binds to the conserved GATA motifs in the cis-regulatory modules. GATA6 repressed expression of a luciferase reporter that contains the cis-regulatory modules by synergizing with Zfpm2. Analyses of Gata6 mutant embryos showed that ISL1 levels are higher in the anterior of nascent hindlimb buds than in wild type. Moreover, we detected a greater number of Isl1-transcribing cells in the anterior of nascent hindlimb buds in Gata6 mutants. Our results support a model in which Gata6 contributes to repression of Isl1 expression in the anterior of nascent hindlimb buds. PMID- 29197506 TI - Cadmium exposure exacerbates severe hyperlipidemia and fatty liver changes in zebrafish via impairment of high-density lipoproteins functionality. AB - Cadmium (Cd) is a heavy metal with several toxicities that have destructive effect on most organ systems. However, its toxic effects on human lipoproteins are largely remained unknown especially in hyperlipidemic zebrafish model. Treatment of human high-density lipoprotein (HDL) with cadmium chloride (CdCl2, final 12 and 24MUM) caused spontaneous formation of multimeric apoA-I as well as increased production of glycated extent products. Cd-HDL3 accelerated uptake of oxidized LDL (oxLDL) into macrophages and induced severe senescence in human dermal fibroblast (HDF) cells. Microinjection of Cd-HDL3 into zebrafish embryos resulted in acute embryonic toxicity with high mortality. Exposure of zebrafish embryos to water containing CdCl2 (final 12 and 24MUM) caused early embryonic death along with increased production of oxidized products and impairment of skeletal development. Consumption of CdCl2 (12 and 24MUM) by zebrafish for 4weeks resulted in severe elevation of plasma total cholesterol (TC) and triglyceride (TG) levels as well as cholesteryl ester (CE) transfer activity. Furthermore, consumption of CdCl2 resulted in acceleration of fatty liver changes and increased production of reactive oxygen species (ROS). In conclusion, CdCl2 caused structural modification of HDL3 and impaired the beneficial functions of HDL3, including anti-oxidation, anti-atherosclerosis, and anti-senescence effects. Consumption of CdCl2 also resulted in exacerbated hyperlipidemia and fatty liver changes in zebrafish via enhancement of cholesteryl ester transfer protein (CETP) activity. PMID- 29197508 TI - Global asymptotic stability for the SEIRS models with varying total population size. AB - In this paper, SEIRS epidemiological model with disease caused death and varying total population size is discussed. Based on the geometric approach developed by Li and Muldowney, a new criterion to determine the global asymptotic stability for nonlinear system is proposed. By applying this new criterion, global asymptotic stability of the endemic equilibrium when it is unique is proved. The above global result shows that the basic reproduction number is a sharp threshold for SEIRS model which removes restrictions of rate of loss of immunity and rate of disease caused death in Li and Muldowney's result. PMID- 29197509 TI - Michaelis-Menten equation for degradation of insoluble substrate. AB - Kinetic studies of homogeneous enzyme reactions where both the substrate and enzyme are soluble have been well described by the Michaelis-Menten (MM) equation for more than a century. However, many reactions are taking place at the interface of a solid substrate and enzyme in solution. Such heterogeneous reactions are abundant both in vivo and in industrial application of enzymes but it is not clear whether traditional enzyme kinetic theory developed for homogeneous catalysis can be applied. Since the molar concentration of surface accessible sites (attack-sites) often is unknown for a solid substrate it is difficult to assess whether the requirement of the MM equation is met. In this paper we study a simple kinetic model, where removal of attack sites expose new ones which preserve the total accessible substrate, and denote this approach the substrate conserving model. The kinetic equations are solved in closed form, both steady states and progress curves, for any admissible values of initial conditions and rate constants. The model is shown to merge with the MM equation and the reverse MM equation when these are valid. The relation between available molar concentration of attack sites and mass load of substrate is analyzed and this introduces an extra parameter to the equations. Various experimental setups to practically and reliably estimate all parameters are discussed. PMID- 29197507 TI - Association between a functional interleukin 6 receptor genetic variant and risk of depression and psychosis in a population-based birth cohort. AB - OBJECTIVE: Interleukin 6 (IL-6) levels are commonly elevated in patients with depression and psychosis and in people who are at risk of developing these disorders. A common, functional variant in the IL6R gene (IL6R Asp358Ala; rs2228145 A > C) is known to dampen down inflammation by impairing IL6R signaling. We have examined the association of Asp358Ala with diagnosis of depression and psychosis, serum IL-6, CRP levels, and a number of risk factors commonly linked with inflammation, depression or psychosis. We predicted that if IL-6 were related to depression/psychosis risk causally, rather than due to confounding, Asp358Ala would be associated with risk of these disorders, serum IL 6, CRP levels, but not with any of the confounders. METHOD: We used data from the population-based ALSPAC birth cohort. Serum IL-6 and CRP levels were measured at age 9 years. Psychotic disorder, ICD-10 diagnosis of severe depressive episode, and total depression score were assessed at age 18 years. IL6R Asp358Ala was genotyped using the Illumina HumanHap550 quad genome-wide SNP genotyping platform. Risk factors assessed include sex, body mass index, social class, ethnicity, maternal education, birth weight, gestational age, maternal post-natal depression, childhood psychological and behavioral problems, and total IQ score. RESULTS: Asp358Ala was associated with decreased risk of severe depression and/or psychosis; adjusted odds ratio for those with CC, compared with AA, genotype was 0.38 (95% CI, 0.15-0.94). The variant was associated with increased serum IL-6 levels (P = 5.5 * 10-22) but decreased serum CRP levels (P = 3.5 * 10-5), consistent with an anti-inflammatory effect downstream of IL-6. Asp358Ala was not associated with total depression score. Asp358Ala was not associated with any of the other risk factors commonly linked with inflammation, depression or psychosis (all P > 0.20). CONCLUSIONS: The findings provide further evidence that the IL 6/IL6R pathways are involved in pathogenesis of severe depression and psychosis, and may be novel therapeutic targets. Previously reported associations between IL 6, depression and psychosis are unlikely to be fully explained by confounding. Based on a small number of cases, findings from the current study need replication in other samples. PMID- 29197510 TI - An alternative approach to Michaelis-Menten kinetics that is based on the renormalization group. AB - We apply to Michaelis-Menten kinetics an alternative approach to the study of Singularly Perturbed Differential Equations, that is based on the Renormalization Group (SPDERG). To this aim, we first rebuild the perturbation expansion for Michaelis-Menten kinetics, beyond the standard Quasi-Steady-State Approximation (sQSSA), determining the 2nd order contributions to the inner solutions, that are presented here for the first time to our knowledge. Our main result is that the SPDERG 2nd order uniform approximations reproduce the numerical solutions of the original problem in a better way than the known results of the perturbation expansion, even in the critical matching region. Indeed, we obtain analytical results nearly indistinguishable from the numerical solutions of the original problem in a large part of the whole relevant time window, even in the case in which the kinetic constants produce an expansion parameter value as large as E=0.5. PMID- 29197511 TI - Partner-Mediated Polymorphism of an Intrinsically Disordered Protein. AB - Intrinsically disordered proteins (IDPs) recognize their partners through molecular recognition elements (MoREs). The MoRE of the C-terminal intrinsically disordered domain of the measles virus nucleoprotein (NTAIL) is partly pre configured as an alpha-helix in the free form and undergoes alpha-helical folding upon binding to the X domain (XD) of the viral phosphoprotein. Beyond XD, NTAIL also binds the major inducible heat shock protein 70 (hsp70). So far, no structural information is available for the NTAIL/hsp70 complex. Using mutational studies combined with a protein complementation assay based on green fluorescent protein reconstitution, we have investigated both NTAIL/XD and NTAIL/hsp70 interactions. Although the same NTAIL region binds the two partners, the binding mechanisms are different. Hsp70 binding is much more tolerant of MoRE substitutions than XD, and the majority of substitutions lead to an increased NTAIL/hsp70 interaction strength. Furthermore, while an increased and a decreased alpha-helicity of the MoRE lead to enhanced and reduced interaction strength with XD, respectively, the impact on hsp70 binding is negligible, suggesting that the MoRE does not adopt an alpha-helical conformation once bound to hsp70. Here, by showing that the alpha-helical conformation sampled by the free form of the MoRE does not systematically commit it to adopt an alpha-helical conformation in the bound form, we provide an example of partner-mediated polymorphism of an IDP and of the relative insensitiveness of the bound structure to the pre-recognition state. The present results therefore contribute to shed light on the molecular mechanisms by which IDPs recognize different partners. PMID- 29197512 TI - Understanding interactions between populations: Individual based modelling and quantification using pair correlation functions. AB - Understanding the underlying mechanisms that produce the huge variety of swarming and aggregation patterns in animals and cells is fundamental in ecology, developmental biology, and regenerative medicine, to name but a few examples. Depending upon the nature of the interactions between individuals (cells or animals), a variety of different large-scale spatial patterns can be observed in their distribution; examples include cell aggregates, stripes of different coloured skin cells, etc. For the case where all individuals are of the same type (i.e., all interactions are alike), a considerable literature already exists on how the collective organisation depends on the inter-individual interactions. Here, we focus on the less studied case where there are two different types of individuals present. Whilst a number of continuum models of this scenario exist, it can be difficult to compare these models to experimental data, since real cells and animals are discrete. In order to overcome this problem, we develop an agent-based model to simulate some archetypal mechanisms involving attraction and repulsion. However, with this approach (as with experiments), each realisation of the model is different, due to stochastic effects. In order to make useful comparisons between simulations and experimental data, we need to identify the robust features of the spatial distributions of the two species which persist over many realisations of the model (for example, the size of aggregates, degree of segregation or intermixing of the two species). In some cases, it is possible to do this by simple visual inspection. In others, the features of the pattern are not so clear to the unaided eye. In this paper, we introduce a pair correlation function (PCF), which allows us to analyse multi-species spatial distributions quantitatively. We show how the differing strengths of inter individual attraction and repulsion between species give rise to different spatial patterns, and how the PCF can be used to quantify these differences, even when it might be impossible to recognise them visually. PMID- 29197513 TI - Exploration of Mycobacterium tuberculosis structural proteome: An in-silico approach. AB - Pharmacophore approaches are of central contour in drug discovery. However, the dependence of ligand-based pharmacophore model on appropriate training set molecules and typical use of apo-protein or single protein-ligand complex for the construction of structure-based pharmacophore models might skip some vital information. Therefore, multiple-complex based approach was employed for the construction of pharmacophore models of the Mycobacterium structural proteome. Moreover, the strategy of clustering of common pharmacophore hypotheses was made to gain an insight about the pharmacophore-similarity across the protein classes and share of features among the inhibitors. Rationale behind the present work was to present the scenario of virtual screening and guiding principle for designing efficient inhibitor by taking into account the available pharmacophoric space. PMID- 29197514 TI - Mathematical analysis of the transmission dynamics of the liver fluke, Opisthorchis viverrini. AB - We develop and analyse two population-based models of the transmission dynamics of the worm parasite Opisthorchis viverrini. The life cycle of O. viverrini includes humans, cats and dogs as definitive hosts; and snails and fish as intermediate hosts. The first model has only one definitive host (humans) while the second model has two additional hosts: the reservoir hosts, cats and dogs. We define reproduction numbers and endemic equilibrium points for the two models. We use prevalence data for the five hosts from two islands in Lao People's Democratic Republic to estimate distributions of parameter values. We use these distributions to compute the sensitivity index and the partial rank correlation coefficient of the basic reproduction number and the endemic equilibrium point to the parameters. We calculate distributions of the host-specific type-reproduction number to show that humans are necessary to maintain transmission and can sustain transmission without additional reservoir hosts. Therefore interventions targeting humans could be sufficient to interrupt transmission of O. viverrini. PMID- 29197515 TI - Fingolimod anti-inflammatory and neuroprotective effects modulation of RAGE axis in multiple sclerosis patients. AB - BACKGROUND: We investigated Fingolimod treatment effects on the RAGE (receptor for advanced glycation endproducts) axis in multiple sclerosis (MS) patients. The primary outcome of the study was whether Fingolimod treatment increases serum levels of the soluble RAGE isoforms, sRAGE and esRAGE - both being considered putative endogenous inhibitors of RAGE signaling. Additional variables were serum levels of RAGE ligands, the high mobility group box (HMGB)1 and pentosidine. METHODS: Serum levels of the study variables were measured by ELISA, and compared between baseline (before Fingolimod treatment) and 6 and 12 months post-drug treatment in 17 relapsing MS patients. Fingolimod treatment effects on MS disease progression were assessed by comparing pre- and post-Fingolimod values of the EDSS and rate of clinical relapse, and changes in the T1-and T2-enahncing lesions on the MRI scan.methods RESULTS: Twelve months treatment with Fingolimod increased serum levels of sRAGE and esRAGE by 32.4% (P = 0.004) and 48.5% (P = 0.007) respectively. In addition, Fingolimod treatment reduced serum levels of HMGB1 by 71.6% (P = 0.02) and pentosidine serum levels by 41.3% (P = 0.12). EDSS remained stable (baseline: 3.57 +/- 1.56; post-Fingolimod: 3.54 +/- 1.2, P = 0.96) and the rate of clinical relapse decreased near significantly (P = 0.094). T1-and T2-enhancing lesions remained stable, showing no significant changes pre vs. post-Fingolimod treatment. CONCLUSION: Fingolimod mediates modulation of the RAGE axis which apparently contributes to the Fingolimod's anti-inflammatory and neuroprotective effects. These findings may provide a rationale for the clinical efficacy of Fingolimod in pathological states other than MS, where dysregulation of the RAGE axis plays a role. PMID- 29197516 TI - Protopanaxadiol derivative DDPU improves behavior and cognitive deficit in AD mice involving regulation of both ER stress and autophagy. AB - Alzheimer's disease (AD) is a progressively neurodegenerative disease with typical hallmarks of amyloid beta (Abeta) plaque accumulation, neurofibrillary tangle (NFT) formation and neuronal death extension. Aggressive Abeta accumulation promotes senile plaque formation and perturbs endoplasmic reticulum (ER) function to trigger the unfolded protein response (UPR) leading to neuronal apoptosis. The stress-dependent activation of protein kinase RNA-like endoplasmic reticulum kinase (PERK) increases the phosphorylation of eukaryotic translation initiation factor-2alpha (eIF2alpha) to promote the preferential synthesis of beta-site APP cleavage enzyme 1 (BACE1) and Abeta generation in turn. Additionally, dysfunction in autophagy has been reported to contribute to several neurodegenerative diseases including AD, and impairment in autophagy-mediated pathway may constitutively stimulate the generation of Abeta in AD. Here we discovered that protopanaxadiol derivative 1-(3,4-dimethoxyphenethyl)-3-(3 dehydroxyl-20(s)-protopanaxadiol-3beta-yl)-urea (DDPU) effectively improved the activity of daily living (ADL) and cognitive deficits in APP/PS1 transgenic mice. The crosstalk between Abeta and ER stress has been intensively investigated by using DDPU as a probe. DDPU reduced Abeta production mainly by inhibiting the PERK/eIF2alpha signaling-mediated BACE1 translation and stimulated Abeta clearance by promoting autophagy as a PI3K inhibitor through PI3K/AKT/mTOR signaling pathway, while exhibited neuroprotective effect involving attenuation of ER stress. DDPU might be the first reported ginsenoside derivative with dual effects on both autophagy promotion and ER stress amelioration. Our results have highlighted the potential of DDPU in the treatment of AD. PMID- 29197517 TI - DPI-289, a novel mixed delta opioid agonist / mu opioid antagonist (DAMA), has L DOPA-sparing potential in Parkinson's disease. AB - L-DOPA-induced dyskinesia (LID) remains a significant problem in the management of Parkinson's disease (PD). In rodent and macaque models of PD, delta opioid receptor agonists have anti-parkinsonian actions while mu opioid antagonists can reduce the expression of LID. DPI-289 is a novel molecule with a unique combination of opioid receptor DAMA actions: delta agonist (Ki: 0.73 nM); mu antagonist (Ki: 12 nM). We demonstrated that DPI-289 has oral bioavailability and established its pharmacokinetic profile in both rat and primate. We hypothesised that these combined DAMA actions would provide an enhancement of L-DOPA effect without an associated increase in dyskinesia. In parkinsonian 6-OHDA lesioned rats and MPTP-lesioned macaques, DPI-289 provided anti-parkinsonian actions as monotherapy and an enhancement of L-DOPA benefit. Thus, acute administration of DPI-289 (3 mg/kg, p.o.) to 6-OHDA-lesioned rats produced a significant reduction in forelimb asymmetry (by 48%) that was maintained throughout the fifteen-day repeat-treatment period. Importantly, and in contrast to L-DOPA administration (6 mg/kg, i.p.), these benefits were not compromised by the development of abnormal involuntary movements. In the macaque, as monotherapy, DPI-289 (10 and 20 mg/kg) had significant, though incomplete, anti-parkinsonian actions lasting approximately 4 h. These benefits were not associated with dyskinesia. In fact, over the 6 h period of observation, DPI-289 (20 mg/kg) decreased parkinsonism by 19% and increased activity by 67% compared to vehicle treatment. By contrast, while high-dose L-DOPA (LDh) alone alleviated parkinsonism (for 3 h) this benefit was accompanied by significant dyskinesia that was disabling in nature. LDh provided a 50% reduction in parkinsonism over 6 h and 151% increase in activity. The combination of DPI-289 (20 mg/kg) and a low-dose of L-DOPA (LDl) provided anti-parkinsonian benefits greater than LDl alone without eliciting any significant dyskinesia. Treatment with LDl alone provided only transient statistically significant anti-parkinsonian benefit. However, the combination of LDl and DPI-289 reduced parkinsonism for 6 h (duration of monitoring), with parkinsonism being reduced by 35% and activity increased by 90% but with no increase in dyskinesia over that observed with LDl alone. Thus, DPI-289 has potential to improve the benefits of dopaminergic therapy in Parkinson's disease. PMID- 29197518 TI - The effect of association between inefficient arsenic methylation capacity and demographic characteristics on the risk of skin lesions. AB - This study was conducted in rural Pakistan to assess the dose-response relationship between skin lesions and arsenic exposure and their variation by demographic characteristics. The study included 398 participants (66 participants with skin lesions and 332 without) residing in six previously unstudied villages exposed to ground water arsenic in the range of <1 to 3090MUgL-1. The skin lesions identification process involved interview and physical examinations of participants followed by confirmation by a physician according to UNICEF criteria. Urinary inorganic arsenic (iAs), total arsenic (tAs), monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA) were analysed to determine methylation capacity, methylation efficiency and the dose-response relationship with skin lesions. Study participants with skin lesions were found to be exposed to arsenic >10MUgL-1 with a daily arsenic intake of 3.23+/-3.75mgday-1 from household ground water sources for an exposure duration of 10-20years. The participants with skin lesions compared to those without skin lesions showed higher levels of urinary iAs (133.40+/-242.48 vs. 44.24+/-86.48MUgg-1Cr), MMA (106.38+/-135.04 vs. 35.43+/ 39.97MUgg-1Cr), MMA% (15.26+/-6.31 vs.12.11+/-4.68) and lower levels of DMA% (66.99+/-13.59 vs. 73.39+/-10.44) and secondary methylation index (SMI) (0.81+/ 0.11 vs. 0.86+/-0.07). Study participants carrying a lower methylation capacity characterized by higher MMA% (OR 5.06, 95% CI: 2.09-12.27), lower DMA% (OR 0.64, 95% CI: 0.33-1.26), primary methylation index (PMI) (OR 0.56, 95% CI: 0.28-1.12) and SMI (OR 0.43, 95% CI: 0.21-0.88) had a significantly higher risk of skin lesions compared to their corresponding references after adjusting for occupation categories. The findings confirmed that inefficient arsenic methylation capacity was significantly associated with increased skin lesion risks and the effect might be modified by labour intensive occupations. PMID- 29197520 TI - Effects of pirfenidone in acute and sub-chronic liver fibrosis, and an initiation promotion cancer model in the mouse. AB - Liver fibrosis results from chronic tissue damage and excessive regeneration with accumulation of extracellular matrix proteins; it is a precursor of liver cirrhosis and hepatocellular carcinoma. Liver fibrosis treatments are primarily directed at inflammation, with few options to combat fibrogenesis. Pirfenidone is a drug approved for idiopathic pulmonary fibrosis and this study was focused on anti-fibrotic and anti-cancer potential of pirfenidone in the liver of male B6C3F1/J mice. In a dose-finding study, mice were treated with CCl4 (0.2ml/kg ip, 2*wk for 4weeks) while on a pirfenidone-containing (0-600mg/kg) diet. Pirfenidone at doses of 300 and 600mg/kg had significant anti-fibrotic (collagen) and anti inflammatory (serum transaminases and "ballooning" hepatocyte) effects. In a sub chronic study (14weeks), mice received CCl4 while on pirfenidone (300mg/kg) diet. Pirfenidone significantly reduced collagen deposition, but had little effect of inflammation and injury. In an initiation-promotion cancer study with N nitrosodiethylamine and CCl4, pirfenidone (300mg/kg) did not affect incidence, size, or multiplicity of liver tumors. Overall, we conclude that while pirfenidone exhibits strong anti-fibrotic effects in early stage liver fibrosis, it is less effective in advanced liver fibrosis and was not protective in an initiation-promotion liver cancer. PMID- 29197519 TI - Intestinal exposure to PCB 153 induces inflammation via the ATM/NEMO pathway. AB - BACKGROUND: Polychlorinated biphenyls (PCBs) are persistent organic pollutants that adversely affect human health. PCBs bio-accumulate in organisms important for human consumption. PCBs accumulation in the body leads to activation of the transcription factor NF-kappaB, a major driver of inflammation. Despite dietary exposure being one of the main routes of exposure to PCBs, the gut has been widely ignored when studying the effects of PCBs. OBJECTIVES: We investigated the effects of PCB 153 on the intestine and addressed whether PCB 153 affected intestinal permeability or inflammation and the mechanism by which this occurred. METHODS: Mice were orally exposed to PCB 153 and gut permeability was assessed. Intestinal epithelial cells (IECs) were collected and evaluated for evidence of genotoxicity and inflammation. A human IEC line (SW480) was used to examine the direct effects of PCB 153 on epithelial function. NF-kB activation was measured using a reporter assay, DNA damage was assessed, and cytokine expression was ascertained with real-time PCR. RESULTS: Mice orally exposed to PCB 153 had an increase in intestinal permeability and inflammatory cytokine expression in their IECs; inhibition of NF-kB ameliorated both these effects. This inflammation was associated with genotoxic damage and NF-kB activation. Exposure of SW480 cells to PCB 153 led to similar effects as seen in vivo. We found that activation of the ATM/NEMO pathway by genotoxic stress was upstream of NF-kB activation. CONCLUSIONS: These results demonstrate that oral exposure to PCB 153 is genotoxic to IECs and induces downstream inflammation and barrier dysfunction in the intestinal epithelium. PMID- 29197521 TI - High phosphate-induced downregulation of PPARgamma contributes to CKD-associated vascular calcification. AB - Medial arterial calcification associated with hyperphosphatemia is a main cause of cardiovascular mortality in patients with chronic kidney disease (CKD), but the mechanisms underlying high phosphate-induced vascular calcification remain largely unknown. Here, we observed a significant decrease in the expression of peroxisome proliferator-activated receptor-gamma (PPARgamma) in calcified arteries both in CKD patients and in a mouse model of CKD with hyperphosphatemia. In vitro, high phosphate treatment led to a decreased expression of PPARgamma in mouse vascular smooth muscle cells (VMSCs), accompanied by apparent osteogenic differentiation and calcification. Pretreatment with PPARgamma agonist rosiglitazone significantly reversed high phosphate-induced VSMCs calcification. Further investigation showed that methyl-CpG binding protein 2 (Mecp2)-mediated epigenetic repression was involved in high phosphate-induced PPARgamma downregulation. Moreover, the expression of Klotho that has the ability to inhibit vascular calcification by regulating phosphate uptake decreased with the PPARgamma reduction in VSMCs after high phosphate treatment, and rosiglitazone failed to inhibit high phosphate-induced calcification in VSMCs with knockdown of Klotho or in aortic rings from Klotho-deficient (kl/kl) mice. Finally, an in vivo study demonstrated that oral administration of rosiglitazone could increase Klotho expression and protect against high phosphate-induced vascular calcification in CKD mice. These findings suggest that the inhibition of PPARgamma expression may contribute to the pathogenesis of high phosphate-induced vascular calcification, which may provide a new therapeutic target for vascular calcification in CKD patients. PMID- 29197522 TI - Urinary Bladder vs Gastrointestinal Tissue: A Comparative Study of Their Biomechanical Properties for Urinary Tract Reconstruction. AB - OBJECTIVE: To evaluate the mechanical properties of gastrointestinal (GI) tissue segments and to compare them with the urinary bladder for urinary tract reconstruction. METHODS: Urinary bladders and GI tissue segments were sourced from porcine models (n = 6, 7 months old [5 male; 1 female]). Uniaxial planar tension tests were performed on bladder tissue, and Cauchy stress-stretch ratio responses were compared with stomach, jejunum, ileum, and colonic GI tissue. RESULTS: The biomechanical properties of the bladder differed significantly from jejunum, ileum, and colonic GI tissue. Young modulus (kPa-measure of stiffness) of the GI tissue segments was on average 3.07-fold (+/-0.21 standard error) higher than bladder tissue (P < .01), and the strain at Cauchy stress of 50 kPa for bladder tissues was on average 2.27-fold (+/-0.20) higher than GI tissues. There were no significant differences between the averaged stretch ratio and Young modulus of the horizontal and vertical directions of bladder tissue (315.05 +/- 49.64 kPa and 283.62 +/- 57.04, respectively, P = .42). However, stomach tissues were 1.09- (+/-0.17) and 0.85- (+/-0.03) fold greater than bladder tissues for Young modulus and strain at 50 kPa, respectively. CONCLUSION: An ideal urinary bladder replacement biomaterial should demonstrate mechanical equivalence to native tissue. Our findings demonstrate that GI tissue does not meet these mechanical requirements. Knowledge on the biomechanical properties of bladder and GI tissue may improve development opportunities for more suitable urologic reconstructive biomaterials. PMID- 29197523 TI - Occurrence of uterine carriers for Leptospira interrogans on slaughtered cows. AB - Reproductive tract is an important site of infection for chronic leptospirosis and cooperate in pathogenesis of reproductive failure, leading to economic losses. Since serology techniques cannot detect chronic carriers, the molecular analysis of clinical samples is an alternative to detect these animals on livestock. The aim of the present study was to perform a retrospective study in order to detect leptospiral uterine carriers in slaughtered cows. Tissue samples were collected from 50 post-pubertal, nonpregnant cows. These samples were fixed in 10% buffered formalin, paraffin-embedded and stored. PCR targeting lipL32 gene and molecular characterization by secY sequence was performed. Leptospiral DNA was identified in 18% (9/50) examined blocks. Two sequences were characterized as L. interrogans. These findings suggest that the presence of infectious leptospires in uterus is associated with the physiopathogenesis of the reproductive failure. PMID- 29197525 TI - A novel horA genetic mediated RCA detection of beer spoilage lactobacillus. AB - As one of the most popular beverage, beer has strong resistance to bacteria except for lactic acid bacteria (LAB), as its strong viability in beer. Contaminating LAB results in beer spoilage. HorA gene carried by beer spoilage lactobacillus confers hop resistance and is associated with the growth of Lactobacillus in beer, thus can be used as a perfectly valid genetic marker for the detection of beer spoilage Lactobacillus strains. This study applied genome and bioinformatics analyses, together with genetic alignment and comparison techniques to build a rolling circle amplification (RCA) detection method targeted on horA for beer spoilage Lactobacillus. The horA genetic mediated RCA method showed rapid, sensitive and specific on beer spoilage lactobacillus detection. PMID- 29197524 TI - Mercuric resistant bacteria Aeromonas exhibits neurologic toxic effects on the developmental motor reflexes, and brain oxidative stress in mice offspring. AB - Mercury and its derivatives even in small concentration may cause a major human health problem. Though not reported in detail, there are various aquatic bacterial species that produce small quantities of methyl mercury (MM) growing under aerobic conditions. Consumption of food derived from sources contaminated with such bacteria within therapeutic doses and exposure to different forms of MM compounds through such sources may induce substantial toxic effects. In the present study, the perinatal oral exposure of pregnant mice to two strains of mercury resistant bacteria (MRB), Aeromonas KSU5 MRB and KSU6 MRB resulted in a significant reduction in postnatal body weight gain, delays in the opening of the eyes and appearance in the body hair fuzz, and deficits in the developing sensory motor reflexes in the mice pups during their weaning period on post-natal day (PD)7, PD14 and PD21. A significant and MM producing concentration-dependent disturbance in the levels of neurotransmitters like dopamine (DA) and serotonin (5-HT); non-enzymatic oxidative stress (OS) indices like thiobarbituric acid reactive substances (TBARS) and total reduced glutathione (GSH); and enzymatic OS indices like glutathione S-transferase (GST), catalase (CAT), and superoxide dismutase (SOD) were observed in the forebrain region of the offspring at weaning period (PD7, PD14, and PD21), at adolescent age (PD30), and at adult age (PD36). Thus, perinatal exposure to MRB can affect developing fetus, raising the concerns for it's potential neurotoxic hazards. A reduced exposure to mercury during pregnancy is of crucial importance in preventing mercury-induced neurotoxicity in the offspring. PMID- 29197526 TI - Pathway analysis of differentially expressed genes in Mycobacterium bovis challenged bovine macrophages. AB - The immune signalling genes during the challenge of bovine macrophages with bacterial products derived from tuberculosis causing bacteria in cattle were investigated in the present study. An in-vitro cell culture model of bovine monocyte-derived macrophages were challenged to Mycobacterium bovis. Macrophages from healthy and already infected animals can both be fully activated during M. bovis infection. Analysis of mRNA abundance in peripheral blood mononuclear cells from M. bovis infected and non-infected cattle were performed as a controls. Cells of treatment were challenged after six days for six hours incubation at 37 degrees C, with 5% CO2, to total RNA was extracted then cDNA labelling, hybridization and scanning for microarray methods have been developed for microarray based immune related gene expression analysis. The differential expressions twenty genes (IL1, CCL3, CXCR4, TNF, TLR2, IL12, CSF3, CCR5, CCR3, MAPT, NFKB1, CCL4, IL6, IL2, IL23A, CCL20, IL8, CXCL8, TRIP10, CXCL2 and IL1B) implicated in M. bovis response were examined Agilent Bovine_GXP_8 * 60 K microarray platform. Cells of treatment were challenged after six days for six hours incubation then pathways analysis of Toll like receptor and Chemokine signalling pathway study of responsible genes in bovine tuberculosis. The PBMC from M. bovis infected cattle exhibit different transcriptional profiles compared with PBMC from healthy control animals in response to M. bovis antigen stimulation, providing evidence of a novel genes expression program due to M. bovis exposure. It will guide future studies, regarding the complex macrophage specific signalling pathways stimulated upon phagocytosis of M. bovis and role of signalling pathways in creating the host immune response to cattle tuberculosis. PMID- 29197527 TI - Subjective neighborhood assessment and physical inactivity: An examination of neighborhood-level variance. AB - Research suggests a linkage between perceptions of neighborhood quality and the likelihood of engaging in leisure-time physical activity. Often in these studies, intra-neighborhood variance is viewed as something to be controlled for statistically. However, we hypothesized that intra-neighborhood variance in perceptions of neighborhood quality may be contextually relevant. We examined the relationship between intra-neighborhood variance of subjective neighborhood quality and neighborhood-level reported physical inactivity across 48 neighborhoods within a medium-sized city, Texas City, Texas using survey data from 2706 residents collected between 2004 and 2006. Neighborhoods where the aggregated perception of neighborhood quality was poor also had a larger proportion of residents reporting being physically inactive. However, higher degrees of disagreement among residents within neighborhoods about their neighborhood quality was significantly associated with a lower proportion of residents reporting being physically inactive (p=0.001). Our results suggest that intra-neighborhood variability may be contextually relevant in studies seeking to better understand the relationship between neighborhood quality and behaviors sensitive to neighborhood environments, like physical activity. PMID- 29197528 TI - Social capital and obesity among adults: Longitudinal findings from the Montreal neighborhood networks and healthy aging panel. AB - Curbing the worldwide increase in obesity requires upstream social interventions that modify the environment in which obesity emerges. Recent studies have suggested that social capital and networks may influence a person's risk of obesity. Yet, few longitudinal studies have assessed whether social capital and networks reduce obesity risk in adult populations. In this study, the data come from three waves (2008, 2010, and 2013) of the Montreal Neighborhood Networks and Health Aging Panel (N=2606). Self-reported height and weight were used to calculate body mass index (BMI) with obesity defined as a BMI>30. Name and position generator instruments captured network measures of social capital, including: (1) upper reachability, (2) range, (3) diversity and (4) the number of kin ties. Questions on generalized trust and participation were used to assess cognitive and structural dimensions of social capital. Separate random effects logistic regression was used to examine the association among social network characteristics, social capital, and obesity. We found the greater the number of kin ties in a person's network, the greater the risk of obesity (OR: 1.33, 95% CI: 1.08-1.62). Adults with higher network diversity (OR: 0.83, 95% CI: 0.72 0.96) and high generalized trust (OR: 0.52, 95% CI: 0.35-0.77) were at a lower the risk of obesity. The current study confirmed that higher network capital and trust were protective against obesity, while having kin ties was not. Disentangling the multidimensional role that social capital plays can lead to more effective interventions to reduce obesity. PMID- 29197529 TI - The longitudinal association between temperament and physical activity in young children. AB - OBJECTIVE: To examine the longitudinal association of negative affect and physical activity in a population of preschool children. STUDY DESIGN: Participants included 763 children (53% male) attending scheduled health supervision visits in their primary care physicians' offices. Data were collected at two time points at mean ages 27 (SD=5.4) and 47 (SD=6.2) months. Negative affect (NA) was measured using the Negative Affectivity (frustration/anger, decreased soothability) domain of the Children's Behavior Questionnaire. Physical Activity (PA) was assessed using a parent-report questionnaire. Multiple regression analyses tested the association between NA and PA, adjusting for child age, sex, z-BMI, PA at Time 1, maternal education, household income, and season, and examined for sex differences in the relationship between NA and PA. RESULTS: The longitudinal association between NA at Time 1 and PA at Time 2 was moderated by sex (p<0.001). After adjusting for covariates, females with greater NA at Time 1 had decreased PA at Time 2 (p=0.01), whereas males with greater NA at Time 1 had increased PA at Time 2 (p=0.01). Specifically, among females, every 1 unit increase in NA at Time 1 was associated with a 9.9min/day decrease in PA at Time 2 (95% CI: -17.1, -2.8). CONCLUSIONS: NA and PA were associated early in childhood and the effects of NA on PA were gender specific. These findings underscore the importance of longitudinal and gender-specific analyses in mood obesity research. PMID- 29197530 TI - The neighborhood environment and obesity: Understanding variation by race/ethnicity. AB - Neighborhood characteristics have been associated with obesity, but less is known whether relationships vary by race/ethnicity. This study examined the relationship between soda consumption - a behavior strongly associated with obesity - and weight status with neighborhood sociodemographic, social, and built environments by race/ethnicity. We merged data on adults from the 2011-2013 California Health Interview Survey, U.S. Census data, and InfoUSA (n=62,396). Dependent variables were soda consumption and weight status outcomes (body mass index and obesity status). Main independent variables were measures of three neighborhood environments: social (social cohesion and safety), sociodemographic (neighborhood socioeconomic status, educational attainment, percent Asian, percent Hispanic, and percent black), and built environments (number of grocery stores, convenience stores, fast food restaurants, and gyms in neighborhood). We fit multi-level linear and logistic regression models, stratified by individual race/ethnicity (NH (non-Hispanic) Whites, NH African Americans, Hispanics, and NH Asians) controlling for individual-level characteristics, to estimate neighborhood contextual effects on study outcomes. Lower neighborhood educational attainment was associated with higher odds of obesity and soda consumption in all racial/ethnic groups. We found fewer associations between study outcomes and the neighborhood, especially the built environment, among NH African Americans and NH Asians. While improvements to neighborhood environment may be promising to reduce obesity, null associations among minority subgroups suggest that changes, particularly to the built environment, may alone be insufficient to address obesity in these groups. PMID- 29197531 TI - Attitudes toward smokeless tobacco use at all public sports venues among U.S. adults, 2016. AB - Policies prohibiting smokeless tobacco (SLT) use at sports venues have been enacted in California and nine U.S. cities. We measured opposition toward SLT use at all public sports venues and its correlates among U.S. adults. Data were from the 2016 SummerStyles, a web-based survey of U.S. adults aged >=18years (n=4203). Weighted estimates of opposition ("strongly" or "somewhat") SLT use were computed overall and by selected characteristics. Multivariable Poisson regression analyses were performed to identify determinants of opposition toward SLT use overall and among current tobacco product users. Overall, 81.8% of U.S. adults opposed SLT use at all public sports venues. Opposition varied by tobacco product use status: 85.9%, 86.9% and 60.4% among never, former, and current tobacco product users, respectively. Among all adults, the likelihood of opposition was higher among females than males (Adjusted Prevalence Ratio [APR]=1.05; 95%CI=1.01 1.08) and increased with every 10-year increase in age (APR=1.01; 95%CI=1.00 1.02). Likelihood was lower among persons with a high school diploma (APR=0.92; 95%CI=0.88-0.96) than those with college degree or higher; persons widowed/divorced/separated (APR=0.92; 95%CI=0.87-0.97) than those married; and current tobacco product users (APR=0.70; 95%CI=0.65-0.76) than never users. Among current tobacco product users, likelihood was lower among persons living in the Midwest (APR=0.81; 95%CI=0.66-0.98) and South (APR=0.78; 95%CI=0.65-0.94) than the Northeast. Most U.S. adults, including three-fifths of current tobacco product users, oppose SLT use at all public sports venues. Complete tobacco-free policies for sports venues that prohibit all forms of tobacco product use can help reduce the social acceptability of SLT use. PMID- 29197532 TI - Vascular risk factor burden and new-onset depression in the community. AB - Depression is associated with an increased likelihood of cardiac events and stroke. We hypothesized that the vascular risk factor burden might itself predispose to both cardiovascular events and depression. Therefore, we examined whether aggregate scores of vascular risk factor burden were associated with the new-onset of depression in the community. We studied 2023 depression- and dementia-free Framingham Heart Study (Framingham, USA) Offspring participants who attended both examination cycles 7 (1998-2001) and 8 (2005-2008). The American Heart Association Ideal Cardiovascular Health metric and the Framingham stroke risk profile were calculated at exam seven. New-onset depression was adjudicated at examination cycle eight as antidepressant medication use or Centre for Epidemiologic Studies Depression Scale scores >=16, after a mean follow-up of 6.6years (standard deviation=0.7). Of the 2023 participants, 269 (13%) developed new-onset depression. Following adjustments for age, sex, education, and the time interval between baseline and follow-up, the odds of new-onset depression decreased by 10% for each one-point increase in ideal cardiovascular health scores (Odds Ratio [OR], 0.90; 95% confidence interval [CI] 0.81-0.99) and increased by 4% for each percentage point increase in the Framingham stroke risk profile (OR, 1.04; CI, 1.00-1.07). Results were not explained by interim clinical stroke or cerebral white matter injury. In conclusion, vascular risk factor burden was associated with the new onset of depression. Shared vascular risk factors may contribute to the increased risk of cardiovascular events observed in persons with depression. PMID- 29197533 TI - Cervical cancer screening uptake among HIV-positive women in Ontario, Canada: A population-based retrospective cohort study. AB - Cervical cancer caused by oncogenic types of the human papillomavirus (HPV) is of concern among HIV-positive women due to impairment of immune responses required to control HPV infection. Our objectives were to describe patterns of cervical cancer screening using Pap cytology testing among HIV-positive women in Ontario, Canada from 2008 to 2013 and to identify factors associated with adequate screening. We conducted a retrospective, population-based cohort study among screen-eligible HIV-positive women using provincial administrative health data. We estimated annual proportions tested and reported these with 95% confidence intervals (CI). Next, using person-years as the unit of analysis, we identified factors associated with annual Pap testing using log-binomial regression. A total of 2271 women were followed over 10,697 person-years. In 2008, 34.0% (95%CI 31.1 37.0%) had a Pap test. By 2013, the proportion of HIV-positive women tested was 25.9% (95%CI 23.6-28.2%). Women who were most likely to undergo testing were younger, were immigrants from countries with generalized HIV epidemics, lived in the highest income neighbourhoods, had a female primary care physician, had two or more encounters per year with an infectious disease or internal medicine specialist, and had greater comorbidity. Nearly three in four HIV-positive women were under-screened despite all having universal insurance for medically necessary services. Annual Pap testing decreased following the 2011-2013 release of new guidelines for a lengthened screen interval for average risk women and a billing disincentive. Clinic-based intervention such as physician alerts or reminders may be needed to improve screening coverage among HIV-positive women. PMID- 29197534 TI - Energy drinks and escalation in drug use severity: An emergent hazard to adolescent health. AB - The aim of the current study is to determine whether energy drink consumption contributes to drug use and, more specifically, an escalation in the severity of drug use. We first examine the association between energy drink use and hard drug use, and subsequently investigate whether soft drug use mediates this relationship. Potential moderating influences are also investigated by testing whether the degree of mediation varies by age, gender, and race. The current study uses a nationally representative sample of 8th (ages 13-14), 10th (ages 15 16), and 12th (ages 17-18) grade adolescents from the 2015 Monitoring the Future survey. Negative binomial regression is employed to examine associations between energy drink consumption and soft and hard drug use. Mediation results indicate that energy drink consumption is significantly associated with increased soft drug use, which is, in turn, associated with significant increases in hard drug use. This cascading effect of energy drink consumption on drug use appears to be stronger among younger females and older males. Results for the moderating effect of race are mixed. Energy drinks appear to pose an important threat to adolescent health in the form of soft and hard drug use. The United States may want to consider adopting energy drink policies similar to European countries and Canada, which require warning labels on beverages with high caffeine content. PMID- 29197535 TI - Driving under the influence behaviours among high school students who mix alcohol with energy drinks. AB - Alcohol and energy drinks are commonly used substances by youth in Canada, and are often mixed (AmED). While several studies have shown that AmED can have dangerous effects, less well understood is how AmED is associated with driving under the influence of either alcohol or drugs. This study sought to determine whether youth who use AmED were more likely to engage in driving, or being a passenger of a driver, under the influence of alcohol or cannabis compared to youth who use either alcohol or energy drinks alone. This study used data from grade 10-12 students who took part in the 2014/2015 Canadian Student Tobacco, Alcohol and Drugs Survey (N=17,450). The association of past-year AmED use with past-30day: driving under the influence of alcohol or cannabis, and riding with an alcohol- or cannabis-influenced driver, was assessed using logistic regression. One in four youth had consumed AmED in the previous 12months. AmED users were more likely to engage in all risk behaviours except riding with a drinking driver, relative to youth who only consumed alcohol. No association was observed for youth who consumed alcohol and energy drinks on separate occasions. Youth who use AmED demonstrate a higher risk profile for driving under the influence of alcohol or cannabis, than youth who use alcohol alone. Future research should explore the biopsychosocial pathways that may explain why using energy drinks enhances the already heightened risk posed by alcohol on other health-related behaviours such as driving under the influence. PMID- 29197536 TI - Do school physical activity policies and programs have a role in decreasing multiple screen time behaviours among youth? AB - Screen time in youth has been associated with a wide range of poor health outcomes. Evidence indicates the need to develop physical activity (PA) school policies and programs that are aimed at decreasing youth screen time behaviours. This study aims to understand the association between PA policies and programs embedded into the functioning of 89 schools across two provinces in Canada and multiple screen time behaviours. As part of the COMPASS Study, a total of 44,861 youth aged between 13 and 18years and belonging to 89 schools in two Canadian provinces completed a validated questionnaire for health behaviours and outcomes data. PA policies and programs were measured using the School Policies and Practices Questionnaire, completed by the relevant school administrator. Participation in before-school, noon hour, or after-school intramural programs, participation in varsity sports, and access to indoor areas of PA during non instructional time, was associated with significantly lower multiple screen time behaviours across both provinces. With exposure to multiple electronic and digital devices only predicted to increase among youth in the future, there is a need to conceptualize and integrate school-based screen time reducing PA policies and programs into the regular functioning of the schools. PMID- 29197537 TI - Letter to the editor. PMID- 29197538 TI - Orbital Frontal Nerve Schwannoma-Distinctive Radiological Features. AB - PURPOSE: To review the radiological findings of frontal nerve schwannoma of the orbit and determine distinguishing imaging features. DESIGN: Retrospective interventional case series. METHODS: Setting: Single tertiary institution. PERIOD: September 1996 to December 2016. PATIENT POPULATION: Thirteen patients with orbital frontal nerve schwannoma. INTERVENTION: Patients underwent surgical excision following preoperative imaging. MAIN OUTCOME MEASURES: Imaging characteristics on computed tomography (CT) and magnetic resonance imaging (MRI). RESULTS: There were 13 patients with histopathologically proven schwannoma of the frontal nerve. Mean age was 44.4 years and 61.5% were male. The majority (84.6%) of frontal nerve schwannomas extended between the supraorbital notch and superior orbital fissure. The most common shape seen in our patients with frontal nerve schwannoma was a multilobulated "beaded" appearance (46.2%), followed by a dumbbell (30.8%), oval (15.4%), and fusiform (7.7%) shape. On CT imaging, all patients had bony remodeling. Target sign, fascicular sign, and cystic degeneration were seen in 76.9%, 35.8%, and 46.2% of patients, respectively. On radiological-pathologic correlation, the zone of tightly packed cellular solid portion (Antoni A pattern) corresponded to the hypointense area on T2-weighted MRI and the hyperintense area on gadolinium-enhanced T1-weighted MRI. CONCLUSION: Frontal nerve schwannoma should be considered as a differential diagnosis for any superior orbital mass. Our study describes several radiological findings that would point toward its diagnosis, including its multilobulated beaded or dumbbell shape, as well as additional signs such as the target sign, fascicular sign, and cystic degeneration. PMID- 29197539 TI - Stress response pathways, appetite regulation, and drug addiction. PMID- 29197540 TI - Miscellaneous lanostane triterpenoids with cytotoxicities from fruiting bodies of the basidiomycete Stereum sp. AB - Ten new highly oxygenated lanostane triterpenoids, stereinones A-J (1-10), were isolated from the fruiting bodies of the basidiomycete Stereum sp. Compounds 3 and 4 are structurally characterized as intact lanostane-type triterpenoids containing unusual 1,2-diketone functionality at C-11 and C-12, while compound 10 is a 24-methylene-lanostane. The structures of these new compounds were established based on detailed 1D and 2D NMR spectroscopic analyses, along with quantum chemical NMR calculations. All isolates were evaluated for their in vitro cytotoxicities against five human tumor cell lines (including HL-60, A-549, SMMC 7721, MCF-7, and SW480 cell lines). Compound 4 showed moderate cytotoxic activities against tumor cell lines SMMC-7721 and SW480 with IC50 values of 9.1 and 9.8MUM, respectively. PMID- 29197541 TI - Structural identification and biological activity of six new Shellolic esters from Lac. AB - Six new sesquiterpenoid esters, named Shellolic ester A-F (1-6), along with four known Lac dyes (7-10) were isolated from methanol extract of the secretions of Laccifer lacca. Their structures were established on the basis of spectroscopic analyses (IR, HR-ESI-MS, 1D and 2D NMR) and by comparison with published data. Biological activities evaluation of the isolates showed that they were inactive against human cancer cell lines (HepG2, MCF-7, Hela and C6) and LPS-treated RAW264.7, which is well consistent with that Lac resin used as nontoxic material in agriculture applications, pharmaceutical formulations, and food additives. However, compound 2, 4, 7, 9, 10 were found to be considerable active against B. subtilis, E. coli, and S. aureus microorganisms. The results complements the current knowledge about Lac produced from China. Meanwhile, Our present study further reveals that Lac resin are edible with no toxicity and physiologically harmless at the level employed as an excipient. PMID- 29197542 TI - Tomenphantadenine, an unprecedented germacranolide-adenine hybrid heterodimer from the medicinal plant Elephantopus tomentosus L. AB - An unusual adenine-substituted germacrane sesquiterpene lactone, tomenphantadenine (1), has been isolated from the whole plant of Elephantopus tomentosus L. The structure of this compound was established by comprehensive spectroscopic analysis including high resolution (HR) ESI-MS, 1D and 2D nuclear magnetic resonance (NMR) spectroscopic data. This compound features novel hybrid pattern of germacrane sesquiterpene with adenine through C-N linkage, and a possible biosynthetic pathway for it was proposed. Compound 1 showed potent antibacterial activity against the gram-positive Staphylococcus aureus and weak acetylcholinesterase (AChE) inhibitory activity. PMID- 29197543 TI - Role of dopamine D1 receptor in 3-fluoromethamphetamine-induced neurotoxicity in mice. AB - 3-Fluoromethamphetamine (3-FMA) is an illegal designer drug of methamphetamine (MA) derivative. Up to date, little is known about the neurotoxic potential of 3 FMA. In the present study, we investigated the role of dopamine receptors in neurotoxicity induced by 3-FMA in comparison with MA (35 mg/kg, i.p.) as a control drug. Here we found that 3-FMA (40, 60 or 80 mg/kg, i.p.) produced mortality in a dose-dependent manner in mice. Treatment with 3-FMA (40 mg/kg, i.p.) resulted in significant hyperthermia, oxidative stress and microgliosis (microglial differentiation into M1 phenotype) followed by pro-apoptotic changes and the induction of terminal deoxynucleotidyl transferase dUDP nick end labeling (TUNEL)-positive cells. Moreover, 3-FMA significantly produced dopaminergic impairments [i.e., increase in dopamine (DA) turnover rate and decreases in DA level, and in the expression of tyrosine hydroxylase (TH), dopamine transporter (DAT), and vesicular monoamine transporter 2 (VMAT-2)] with behavioral impairments. These dopaminergic neurotoxic effects of 3-FMA were comparable to those of MA. SCH23390, a dopamine D1 receptor antagonist, but not sulpiride, a dopamine D2 receptor antagonist significantly attenuated 3-FMA-induced neurotoxicity. Although both SCH23390 and sulpiride attenuated MA-induced dopaminergic neurotoxicity, sulpiride is more effective than SCH23390 on the dopaminergic neurotoxicity. Interestingly, SCH23390 treatment positively modulated 3-FMA-induced microglial activation (i.e., SCH23390 inhibited M1 phenotype from 3-FMA insult, but activated M2 phenotype). Therefore, our results suggest that the activation of dopamine D1 receptor is critical to 3-FMA-induced neurotoxicity, while both dopamine D1 and D2 receptors (dopamine D2 receptor > dopamine D1 receptor) mediate MA-induced dopaminergic neurotoxicity. PMID- 29197544 TI - Control of microbial sulfide production by limiting sulfate dispersal in a water injected oil field. AB - Oil production by water injection often involves the use of makeup water to replace produced oil. Sulfate in makeup water is reduced by sulfate-reducing bacteria to sulfide, a process referred to as souring. In the MHGC field souring was caused by using makeup water with 4mM (384ppm) sulfate. Mixing with sulfate free produced water gave injection water with 0.8mM sulfate. This was amended with nitrate to limit souring and was then distributed fieldwide. The start-up of an enhanced-oil-recovery pilot caused all sulfate-containing makeup water to be used for dissolution of polymer, which was then injected into a limited region of the field. Produced water from this pilot contained 10% of the injected sulfate concentration as sulfide, but was free of sulfate. Its use as makeup water in the main water plant of the field caused injection water sulfate to drop to zero. This in turn strongly decreased produced sulfide concentrations throughout the field and allowed a decreased injection of nitrate. The decreased injection of sulfate and nitrate caused major changes in the microbial community of produced waters. Limiting sulfate dispersal into a reservoir, which acts as a sulfate removing biofilter, is thus a powerful method to decrease souring. PMID- 29197546 TI - Prevalence of Arnold Nerve Reflex in Adults and Children With Chronic Cough. AB - BACKGROUND: Cough originates from stimulation of structures innervated by the vagus nerve, including the airways and distal esophagus. Arnold nerve reflex describes the induction of cough by stimulation of the external auditory canal, which is innervated by the auricular branch of the vagus. Historically, the prevalence of this reflex has been reported in the range of 2% to 3% on the basis of studies of outpatients in otolaryngology practices, but has not been investigated in healthy volunteers or in patients with chronic cough. METHODS: Two hundred adults and 100 children with chronic cough, as well as 100 adult and 100 pediatric volunteers, underwent evaluation consisting of stimulation of the external auditory canal of each ear with a cotton-tipped applicator. Cough occurring within 10 seconds of stimulation was considered induced by the intervention. RESULTS: Arnold nerve reflex was present in 25.5% of adults and 3% of children with chronic cough. The prevalence of the reflex was 2% among healthy adults and children. In adults with chronic cough, Arnold nerve reflex was observed more commonly in women (31.6%) than men (12.5%) and was unilateral in the majority of patients (90.2%). CONCLUSIONS: The greater than 12 fold prevalence of Arnold nerve reflex in adults with chronic cough compared with healthy volunteers supports the concept of cough hypersensitivity syndrome (CHS), in which vagal hypersensitivity is proposed to underlie chronic refractory cough. The absence of increased prevalence among children with chronic cough suggests that cough hypersensitivity syndrome is an acquired condition, perhaps triggered by viral respiratory infection or other environmental factor. PMID- 29197545 TI - Potential cancer chemopreventive and anticancer constituents from the fruits of Ficus hispida L.f. (Moraceae). AB - ETHNOPHARMACOLOGICAL RELEVANCE: Ficus hispida L.f. (Moraceae) has been used as alternative for traditional medicine in the treatment of various ailments including cancer-cure. The aim of this study was to evaluate the cancer chemopreventive and anticancer activities of crude extracts of F. hispida, with the objective to screen the inhibition of Epstein-Barr virus early antigen, and cytotoxic active components, and provide foundation for potential applications of this promising medical plant. MATERIALS AND METHODS: Compounds were isolated from the MeOH extract of F. hispida fruits, and their structure elucidation was performed on the basis of extensive spectroscopic analysis. The isolated compounds were evaluated for their inhibitory activities against the Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol 13 acetate (TPA) in Raji cells, and cytotoxic activities against human cancer cell lines (HL60, A549, SKBR3, KB, Hela, HT29, and HepG2) and a normal cell (LO2) using MTT method. For the compound with potent cytotoxic activity, its apoptosis inducing activity was evaluated by the observation of ROS generation level expression, and membrane phospholipid exposure and DNA fragmentation in flow cytometry. The mechanisms of the apoptosis induction were analyzed by Western blotting. RESULTS: Nineteen compounds, 1-19, including two new isoflavones, 3' formyl-5,7-dihydroxy-4'-methoxyisoflavone (2) and 5,7-dihydroxy-4'-methoxy-3'- (3 methyl-2-hydroxybuten-3-yl)isoflavone (3), were isolated from the MeOH extract of F. hispida fruits. Five compounds, isowigtheone hydrate (1), 2, 3, 9, and 19, showed potent inhibitory effects on EBV-EA induction with IC50 values in the range of 271-340 molar ratio 32 pmol-1 TPA. In addition, five phenolic compounds, 1-3, 10, and 13, exhibited cytotoxic activity against two or more cell lines (IC50 2.5-95.8MUM), as well as compounds 1 and 3 were also displayed high selectivity for LO2/HepG2 (SI 23.5 and 11.8, respectively), while the compound 1 induced ROS generation leads to activated caspases-3, -8, and -9 apoptotic process in HL60 cells. CONCLUSION: This study has established that the MeOH extract of F. hispida fruits contains isoflavones, coumarins, caffeoylquinic acids, along with other compounds including phenolics and steroid glucoside as active principles, and has demonstrated that the chemical constituents of F. hispida may be valuable as potential chemopreventive and anticancer agents. PMID- 29197547 TI - Further Studies of Unsuspected Emphysema in Nonsmoking Patients With Asthma With Persistent Expiratory Airflow Obstruction. AB - BACKGROUND: Previously, we and other investigators have described reversible loss of lung elastic recoil in patients with acute and persistent, moderate-to-severe, chronic, treated asthma who never smoked, and its adverse effect on maximal expiratory airflow. In four consecutive autopsies, we reported the pathophysiologic mechanism(s) has been unsuspected mild, diffuse, middle and upper lobe centrilobular emphysema. METHODS: We performed prospective studies (5 to 22 years) in 25 patients (12 female) with chronic asthma, age 55 +/- 15 years, who never smoked, with persistent moderate-to-severe expiratory obstruction. Studies included measuring blood eosinophils, IgE, total exhaled nitric oxide (NO), central airway NO flux, peripheral airway/alveolar NO concentration, impulse oscillometry, heliox curves, lung elastic recoil, and high-resolution thin-section (1 mm) lung CT imaging at full inspiration with voxel quantification. RESULTS: In 25 patients with stable asthma with varying type 2 phenotype, after 270 MUg of aerosolized albuterol sulfate had been administered with a metered dose inhaler with space chamber, FVC was 3.1 +/- 1.0 L (83% +/- 13% predicted) (mean +/- SD), FEV1 was 1.8 +/- 0.6 L (59% +/- 11%), the FEV1/FVC ratio was 59% +/- 10%, and the ratio of single-breath diffusing capacity of the lung for carbon monoxide to alveolar volume was 4.8 +/- 1.1 mL/min/mm Hg/L (120% +/- 26%). All 25 patients with asthma had loss of static lung elastic recoil pressure, which contributed equally to decreased intrinsic airway conductance in limiting expiratory airflow. Lung CT scanning detected none or mild emphysema. In all four autopsied asthmatic lungs previously reported and one unreported explanted lung, microscopy revealed unsuspected mild, diffuse centrilobular emphysema in the upper and middle lung fields, and asthma-related remodeling in airways. In eight cases, during asthma remission, there were increases in measured static lung elastic recoil pressure-calculated intrinsic airway conductance, and measured maximal expiratory airflow at effort-independent lung volumes. CONCLUSIONS: As documented now in five cases, unsuspected microscopic mild centrilobular emphysema is the sentinel cause of loss of lung elastic recoil. This contributes significantly to expiratory airflow obstruction in never smoking patients with asthma, with normal diffusing capacity and near-normal lung CT scan results. TRIAL REGISTRY: Protocol No. 20070934 and Study No. 1090472, Western Institutional Review Board, Olympia, WA; ClinicalTrials.gov; No. NCT00576069; URL: www.clinicaltrials.gov. PMID- 29197548 TI - Right Heart Dysfunction in Heart Failure With Preserved Ejection Fraction: The Impact of Atrial Fibrillation. AB - BACKGROUND: Right ventricular (RV) dysfunction and atrial fibrillation (AF) frequently coexist in heart failure with preserved ejection fraction (HFpEF). The mechanisms underlying the association between AF and RV dysfunction are incompletely understood. METHODS AND RESULTS: We identified 102 patients. RV function was assessed with the use of multiple echocardiographic parameters, and dysfunction was present if >=2 parameters were below the recommended cutoffs. RV function, right atrial (RA) reservoir strain, and RA emptying fraction were compared between AF and sinus rhythm. We included 91 patients with sufficient echocardiographic quality: 45 (50%) had no history of AF, 14 (15%) had earlier AF while in sinus rhythm, and 32 (35%) had current AF. The prevalence of RV dysfunction varied across subgroups (never AF, earlier AF, and current AF: 20%, 43% and 63%, respectively; P = .001). AF was associated with RV dysfunction (odds ratio [OR] 4.70 [95% confidence interval [CI] 1.82-12.1]; P = .001) independently from pulmonary pressures. In patients in sinus rhythm with earlier AF, RA emptying fraction was lower compared with patients without AF history (41 vs 60%; P = .002). Earlier AF was also associated with reduced RA reservoir strain (OR 4.57 [95% CI 1.05-19.9]; P = .04) independently from RV end-diastolic pressure. CONCLUSIONS: Atrial fibrillation is strongly related to reduced RV and RA function in HFpEF independently from pulmonary pressures. PMID- 29197549 TI - Isolation and characterization of Kabuto Mountain virus, a new tick-borne phlebovirus from Haemaphysalis flava ticks in Japan. AB - In Japan, indigenous tick-borne phleboviruses (TBPVs) and their associated diseases first became evident in 2013 by reported human cases of severe fever with thrombocytopenia syndrome (SFTS). In this study, we report a novel member of the genus Phlebovirus designated as Kabuto Mountain virus (KAMV), which was isolated from the ixodid tick Haemaphysalis flava in Hyogo, Japan. A complete viral genome sequencing and phylogenetic analyses showed that KAMV is a novel member of TBPVs, which is closely related to the Uukuniemi and Kaisodi group viruses. However, unlike the Uukuniemi group viruses, the 165-nt intergenic region (IGR) in the KAMV S segment was highly C-rich in the genomic sense and not predicted to form a secondary structure, which are rather similar to those of the Kaisodi group viruses and most mosquito/sandfly-borne phleboviruses. Furthermore, the NSs protein of KAMV was highly divergent from those of other TBPVs. These results provided further insights into the genetic diversity and evolutionary relationships of TBPVs. KAMV could infect and replicate in some rodent and primate cell lines. We evaluated the infectivity and pathogenicity of KAMV in suckling mice, where we obtained a virulent strain after two passages via intracerebral inoculation. This is the first report showing the existence of a previously unrecognized TBPV in Japan, other than the SFTS virus. PMID- 29197550 TI - Reduced intensity is preferred over myeloablative conditioning allogeneic HCT in chronic lymphocytic leukemia whenever indicated: A systematic review/meta analysis. AB - Despite availability of new and more effective therapies for chronic lymphocytic leukemia, presently this disease remains incurable unless eligible patients are offered an allogeneic hematopoietic cell transplant. Recent published clinical practice recommendations on behalf of the American Society for Blood and Marrow Transplantation relegated the role of for allogeneic hematopoietic cell transplantation to later stages of the disease. To our knowledge, no randomized controlled trial has been performed to date comparing myeloablative versus reduced intensity conditioning regimens in chronic lymphocytic leukemia patients eligible for the procedure. We performed a systematic review/meta-analysis to assess the efficacy of allogeneic hematopoietic cell transplantation when using myeloablative or reduced intensity conditioning regimens. We report the results in accordance to the Preferred Reporting Items for Systematic Reviews and Meta analyses guidelines. Based on lower non-relapse mortality and slightly better overall survival rates, reduced intensity conditioning regimens appear to be the most desirable choice whenever the procedure is indicated for this disease. It appears highly unlikely that a RCT will be ever performed comparing reduced intensity vs. myeloablative allogeneic hematopoietic cell transplantation in chronic lymphocytic leukemia. In the absence of such a study, results of this systematic review/meta-analysis represent the best available evidence supporting this recommendation whenever indicated in patients with chronic lymphocytic leukemia. PMID- 29197552 TI - MeHg affects the activation of FAK, Src, Rac1 and Cdc42, critical proteins for cell movement in PDGF-stimulated SH-SY5Y neuroblastoma cells. AB - Methylmercury (MeHg) is an environmental neurotoxicant that inhibits neuronal migration. This process requires several cyclic steps involving the formation of membrane protrusions (lamellipodia and filopodia) and focal adhesion turnover. FAK and Src are critical proteins that regulate both processes. The FAK-Src complex promotes the activation of Rac1 and Cdc42, two GTPases involved in the remodeling of the actin cytoskeletal network. Here, we studied the effect of MeHg (1, 10, 100, 500 and 1000nM) on cell migration, the formation of cell protrusions, focal adhesion location and the activation of FAK, Src, Rac1 and Cdc42 using the SH-SY5Y neuroblastoma cell line stimulated with PDGF-BB (PDGF). The data show that MeHg (1-500nM) inhibited PDGF-stimulated cell migration. In PDGF-stimulated cells, MeHg (100-1000nM) decreased protrusions and increased the size of the p-FAKY397 clusters. MeHg also inhibited PDGF-induced FAK and Src activation and, at 100nM, MeHg inhibited the activation of Rac1 and Cdc42. Altogether, the findings show that low concentrations of MeHg inhibit SH-SY5Y cell migration by disrupting the activation and disassembly of FAK. This negatively affects the activation of Src, Rac1 and Cdc42, all of which are critical proteins for the regulation of cell movement. These effects could be related to the MeHg-mediated inhibition of PDGF-induced formation of lamellipodia and filopodia, focal adhesion disassembly and PDGF-induced movement. PMID- 29197551 TI - Allelic variants of the aryl hydrocarbon receptor differentially influence UVB mediated skin inflammatory responses in SKH1 mice. AB - The mouse strain SKH1 is widely used in skin research due to its hairless phenotype and intact immune system. Due to the complex nature of aryl hydrocarbon receptor (AHR) function in the skin, the development of additional in vivo models is necessary to study its role in cutaneous homeostasis and pathology. Variants of the Ah allele, exist among different mouse strains. The Ahb-1 and Ahd alleles express high and low affinity ligand binding forms of the AHR, respectively. The outbred SKH1 mice express the Ahb-2 and/or Ahd alleles. SKH1 mice were crossed with C57BL/6J mice, which harbor the Ahb-1 allele, to create useful models for studying endogenous AHR function. SKH1 mice were bred to be homozygous for either the Ahb-1 or Ahd allele to establish strains for use in comparative studies of the effects of differential ligand-mediated activation through gene expression changes upon UVB exposure. Ahb-1 or Ahd allelic status was confirmed by DNA sequence analysis. We tested the hypothesis that SKH1-Ahb-1 mice would display enhanced inflammatory signaling upon UVB exposure compared to SKH1-Ahd mice. Differential basal AHR activation between the strains was determined by assessing Cyp1a1 expression levels in the small intestine, liver, and skin of the SKH1-Ahb 1 mice compared to SKH1-Ahd mice. To determine whether SKH1-Ahb-1 mice are more prone to a pro-inflammatory phenotype in response to UVB, gene expression of inflammatory mediators was analyzed. SKH1-Ahb-1 mice expressed enhanced gene expression of the chemotactic factors Cxcl5, Cxcl1, and Ccl20, as well as the inflammatory signaling factors S100a9 and Ptgs2, compared to SKH1-Ahd mice in skin. These data supports a role for AHR activation and enhanced inflammatory signaling in skin. PMID- 29197553 TI - Evidence for condition mediated trade-offs between the HPA- and HPG-axes in the wild zebra finch. AB - Opportunistic breeding is a strategy used to maximize reproductive success in unpredictable environments. Birds that breed opportunistically are thought to maintain partial activation of the reproductive axis in order to rapidly initiate breeding when environmental conditions become suitable. The physiological mechanisms that modulate reproduction in seasonally breeding birds have been well explored. In contrast, the physiological mechanisms that allow opportunistic breeding birds to maintain a continued state of reproductive readiness has not been well established. Here, we tested the hypothesis that reproductive readiness is modulated through condition-mediated effects on the hypothalamic pituitaryadrenal (HPA) axis and its downstream effects on corticosterone (CORT) secretion in wild zebra finches (Taeniopygia guttata). We examined the variation in body condition, HPA-axis activity (endogenous and adrenocorticotropic hormone (ACTH)-induced responses), and hypothalamic-pituitary-gonadal (HPG) axis activity activity (baseline and gonadotropin-releasing hormone (GnRH) induced testosterone and estradiol levels) in zebra finches across five sites in the Northern Territory in Australia. We found that birds at the sites in the lowest condition had the highest level of baseline and peak CORT. Additionally, males at the sites in the lowest condition had the highest fold increase in testosterone following a GnRH challenge. Across sites, birds with low body condition had high baseline, peak, and ACTH-induced levels of CORT. Our data suggest that reproductive readiness in opportunistically breeding birds is modulated by condition-mediated trade-offs between the HPA- and the HPG-axes. Further work is needed to understand the environmental conditions that influence reproductive activation in opportunistically breeding birds. PMID- 29197554 TI - Baseline and stress-induced blood properties of male and female Darwin's small ground finch (Geospiza fuliginosa) of the Galapagos Islands. AB - Birds are renowned for exhibiting marked sex-specific differences in activity levels and reproductive investment during the breeding season, potentially impacting circulating blood parameters associated with stress and energetics. Males of many passerines often do not incubate, but they experience direct exposure to intruder threat and exhibit aggressive behaviour during the nesting phase in order to defend territories against competing males and predators. Nesting females often have long bouts of inactivity during incubation, but they must remain vigilant of the risks posed by predators and conspecific intruders approaching the nest. Here, we use 33 free-living male (n = 16) and female (n = 17) Darwin's small ground finches (Geospiza fuliginosa) on Floreana Island (Galapagos Archipelago) to better understand how sex-specific roles during the reproductive period impact baseline and stress-induced levels of plasma corticosterone (CORT), blood glucose and haematocrit. Specifically, we hypothesise that males are characterised by higher baseline values given their direct and relatively frequent exposure to intruder threat, but that a standardised stress event (capture and holding) overrides any sex-specific differences. In contrast with expectations, baseline levels of all blood parameters were similar between sexes (13.4 +/- 1.9 ng ml-1 for CORT, 13.7 +/- 0.4 mmol l-1 for glucose, 58.3 +/- 0.8% for haematocrit). Interestingly, females with higher body condition had lower baseline haematocrit. All blood parameters changed with time since capture (range 1.2-41.3 min) in both sexes, whereby CORT increased linearly, haematocrit decreased linearly, and glucose increased to a peak at ~20 min post-capture and declined to baseline levels thereafter. Our results do not support the hypothesis that sex-specific roles during the reproductive period translate to differences in blood parameters associated with stress and energetics, but we found some evidence that blood oxygen transport capacity may decline as finches increase in body condition. PMID- 29197555 TI - Temperature- vs. estrogen-induced sex determination in Caiman latirostris embryos: Both females, but with different expression patterns of key molecules involved in ovarian development. AB - Caiman latirostris is a species with temperature dependent sex determination (TSD), which implies that the incubation temperature of the eggs is the main factor that determines the sex during a thermo-sensitive period (TSP). However, estrogens play a critical role in this process. The administration of 17beta estradiol (E2) previous to TSP overrides the effects of male incubation temperature, producing phenotypic females. This effect has been defined as sex reversal or estrogen-induced sex determination (E2SD). The aim of the present study is to describe similarities and differences in the effects of TSD and E2SD treatment conditions on ovary development. Our results show that the two treatment conditions studied are able to produce different ovaries. Treatment with E2 modified the expression pattern of estrogen receptor alpha and progesterone receptor, and expression of the enzyme aromatase. Moreover, in E2SD females, the proliferation/apoptosis dynamic was also altered and high expression of TAp63 was observed suggesting the presence of greater DNA damage in germ cells. To the best of our knowledge, this is the first report that describes the morphology of the female gonad of C. latirostris in three stages of embryonic development and shows the expression of TAp63 during the gonad development of a reptile. It is important to emphasize that the changes demonstrated in E2SD female gonads of embryos show that environmental compounds with proven estrogenic activity alter the follicular dynamics of C. latirostris in neonatal as much as in juvenile animals, endangering their reproductive health and possibly bringing consequences to ecology and evolution. PMID- 29197556 TI - miR-195 inhibited abnormal activation of osteoblast differentiation in MC3T3-E1 cells via targeting RAF-1. AB - BACKGROUND: Recent reports have demonstrated that RAF-1L613V (a mutant of RAF-1) mutant mice show bone deformities similar to Noonan syndrome. It has been suggested that RAF-1L613V might abnormally activate osteoblast differentiation of MC3T3-E1 cells. METHODS: To demonstrate that RAF-1 is associated with bone deformity and that RAF-1L613V dependent bone deformity could be inhibited by microRNA-195 (miR-195), we first investigated the amplifying influence of wild type RAF-1 (WT) or RAF-1L613V (L613V) on the viability and differentiation of MC3T3-E1 cells induced by bone morphogenetic protein-2 (BMP-2) via 3-(4,5 dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, alkaline phosphatase (ALP) and Alizarin Red S (ARS) staining, quantitative real-time polymerase chain reaction (qRT-PCR) and western blot analysis. Subsequently, we investigated the blocking effect and its mechanism of miR-195 for abnormal activation of osteoblast differentiation of MC3T3-E1 cells via targeting RAF-1. RESULTS: RAF-1, especially RAF-1L613V, abnormally activates osteoblast differentiation of MC3T3-E1 cells induced by BMP-2. Meanwhile, miR-195 could inhibit the cell viability and differentiation of MC3T3-E1 cells. Transfection of miR-195 largely suppressed the L613V-induced viability and osteoblast differentiation of MC3T3-E1 cells and attenuated the accelerative effect of L613V on runt-related transcription factor-2 (Runx2), Osterix (OSX), alkaline phosphatase (ALP), osteocalcin (OCN), and distal-less homeobox 5 (DLX5) osteogenic gene expressions. In addition, miR-195 decreased the expression of RAF 1 mRNA and protein by directly targeting the 3'-untranslated regions (3'-UTR) of RAF-1 mRNA in MC3T3-E1 cells. CONCLUSIONS: Our findings indicated that miR-195 inhibited WT and L613V RAF-1 induced hyperactive osteoblast differentiation in MC3T3-E1 cells by targeting RAF-1. miR-195 might be a novel therapeutic agent for the treatment of L613V-induced bone deformity in Noonan syndrome. PMID- 29197557 TI - Soy flour as an alternative to purified lipoxygenase for the enzymatic synthesis of resolvin analogues. AB - Specialized pro-resolving mediators are lipid signaling molecules synthesized from omega-3 and -6 polyunsaturated fatty acids, which promote the resolution of the inflammatory response. They are potential drug targets for the treatment of numerous conditions linked with uncontrolled inflammation. Many of these mediators can be effectively synthesized using enzymes, such as lipoxygenases. However, these enzymes are expensive to purchase and can be difficult to isolate. In this work, we show that commercial soy flour can be used directly as a source of lipoxygenase for the biosynthesis of specialized pro-resolving mediators from DHA and other biologically important fatty acids. The reaction was optimized and the products characterized. We found that the reaction yield and products were comparable to those synthesized using a commercial 15-lipoxygenase preparation. PMID- 29197558 TI - Clinical utility of an ultrasensitive late night salivary cortisol assay by tandem mass spectrometry. AB - BACKGROUND: Late night salivary cortisol measurement is a clinically important and convenient screening test for Cushing's syndrome. Tandem mass spectrometry (LC-MS/MS) assays have superior sensitivity and specificity compared to immunoassays. Our goal was to improve a LC-MS/MS method to measure salivary cortisol in both adult and pediatric patients and to characterize its analytical performance by method validation and clinical performance by chart review. METHODS: We improved a LC-MS/MS method originally developed for urine cortisol to measure low level salivary cortisol. The sample preparation was by liquid-liquid extraction using dichloromethane followed by stepwise washing with acidic, basic and neutral solutions. The assay's analytical performance was characterized and retrospective patient chart review was conducted to evaluate the assay's clinical diagnostic performance. RESULTS: The LC-MS/MS assay showed enhanced functional sensitivity of 10 ng/dL for salivary cortisol and was linear within an analytical measurement range of 10-10,000 ng/dL. Assay accuracy was within 84-120% as determined by recovery studies and correlation with a reference method. Data from healthy adult volunteers was compiled to establish the reference interval for late night salivary cortisol. Patient chart review determined subjects with diagnosis of Cushing's syndrome or disease, and assay's clinical diagnostic sensitivity of 100% and specificity of 92% when the cutoff value was 70 ng/dL. CONCLUSIONS: The improved LC-MS/MS method is sensitive and specific with enhanced analytical performance and clinical diagnostic utility for screening Cushing's syndrome. The assay may have broad clinical application due to its high sensitivity and wide dynamic range. PMID- 29197560 TI - Pentraxin-3 and coronary artery disease. PMID- 29197559 TI - Disruption of Semantic Network in Mild Alzheimer's Disease Revealed by Resting State fMRI. AB - Subtle semantic deficits can be observed in Alzheimer's disease (AD) patients even in the early stages of the illness. In this work, we tested the hypothesis that the semantic control network is deregulated in mild AD patients. We assessed the integrity of the semantic control system using resting-state functional magnetic resonance imaging in a cohort of patients with mild AD (n = 38; mean mini-mental state examination = 20.5) and in a group of age-matched healthy controls (n = 19). Voxel-wise analysis spatially constrained in the left fronto temporal semantic control network identified two regions with altered functional connectivity (FC) in AD patients, specifically in the pars opercularis (POp, BA44) and in the posterior middle temporal gyrus (pMTG, BA21). Using whole-brain seed-based analysis, we demonstrated that these two regions have altered FC even beyond the semantic control network. In particular, the pMTG displayed a wide distributed pattern of lower connectivity to several brain regions involved in language-semantic processing, along with a possibly compensatory higher connectivity to the Wernicke's area. We conclude that in mild AD brain regions belonging to the semantic control network are abnormally connected not only within the network, but also to other areas known to be critical for language processing. PMID- 29197561 TI - Phase angle is related with inflammatory and oxidative stress biomarkers in older women. AB - BACKGROUND: The aim of this study was to examine the relation between phase angle (PhA) and inflammatory and oxidative stress biomarkers in older women. METHODS: One hundred and fifty-five physically independent older women participated in this study (67.7+/-5.7years, 27.0+/-4.4kg/m2). Inflammatory markers included interleukin 6 (IL-6), tumor necrosis factor alpha (TNF-alpha), and acute phase reactive protein (CRP). Oxidative stress biomarkers comprised superoxide dismutase (SOD), catalase (CAT), advanced oxidation protein products (AOPP), and total radical-trapping antioxidant potential (TRAP). A spectral bioelectrical impedance device was used to estimate resistance (R) and reactance (Xc) at frequency 50kHz, and subsequently PhA was calculated as arc-tangent (Xc/R)*180 degrees /pi. The covariates appendicular lean soft-tissue (ALST), trunk fat mass, and total body fat were determined by whole-body dual-energy X-ray absorptiometry. Linear regression analysis was conducted to further test if PhA is related with the dependent variables, after adjusting for potential covariates. RESULTS: After controlling for the potential covariates (age, trunk fat mass, ALST, and number of diseases) PhA exhibited a significant inverse relation with IL-6 (beta=-0.97; P<0.01), TNF-alpha (beta=-0.84; P<0.01), and CRP (beta=-0.58; P<0.01). Conversely, PhA was significantly related to CAT (beta=7.27; P<0.01), SOD (beta=10.55; P<0.01) and TRAP (beta=73.08; P<0.01). The AOPP did not demonstrate a significant correlation with PhA (P>0.05). CONCLUSION: Our findings show that PhA is a simple and relevant explanatory variable which is related inflammatory and stress oxidative markers in physically independent older women, regardless of age, number of diseases, and body composition. PMID- 29197562 TI - Various cellular stress components change as the rat ages: An insight into the putative overall age-related cellular stress network. AB - Cellular stress is mainly comprised of oxidative, nitrosative, and endoplasmic reticulum stresses and has long been correlated to the ageing process. Surprisingly, the age-related difference among the various components in each independent stress pathway and the possible significance of these components in relation to the overall cellular stress network remain to be clearly elucidated. In this study, we obtained blood from ageing rats upon reaching 20-, 40-, and 72 wk.-old. Subsequently, we measured representative cellular stress-linked biomolecules (H2O2, glutathione reductase, heme, NADPH, NADP, nitric oxide, GADD153) and cell signals [substance P (SP), free fatty acid, calcium, NF-kappaB] in either or both blood serum and cytosol. Subsequently, network analysis of the overall cellular stress network was performed. Our results show that there are changes affecting stress-linked biomolecules and cell signals as the rat ages. Additionally, based on our network analysis data, we postulate that NADPH, H2O2, GADD153, and SP are the key components and the interactions between these components are central to the overall age-related cellular stress network in the rat blood. Thus, we propose that the main pathway affecting the overall age related cellular stress network in the rat blood would entail NADPH-related oxidative stress (involving H2O2) triggering GADD153 activation leading to SP induction which in-turn affects other cell signals. PMID- 29197564 TI - Impact breakage of pharmaceutical tablets. AB - Tablets are the most common solid dosage form of pharmaceutical active ingredients due to their ease of use. Their dissolution behaviour depends on the particle size distribution and physicochemical properties of the formulation, and the compression process, which need to be optimised for producing consistently robust tablets, as weaker tablets are often prone to breakage during production, transport and end use. Tablet strength is typically determined by diametric compression and friability tests. The former gives rise to propagation of a crack on a plane along the compression axis, whilst the latter, carried out in a rotating drum, incurs surface damage and produces chips and debris. These tests produce different measures of strength, neither of which have been correlated with mechanical properties that are accountable for breakage, i.e. hardness, elastic modulus and fracture toughness. We propose a new method based on single tablet impact testing, following the work of Ghadiri and Zhang, 2002, who analysed particle damage by propagation of sub-surface lateral cracks and identified the fundamental form accountable for impact surface damage to be a lumped parameter related to hardness and fracture toughness. Microindentation, carried out separately, to determine fracture toughness led to complete failure of the tablets, hence an unreliable measurement of fracture toughness and no correlation with the experimental trend. In addition, by assuming the fracture toughness to be proportional to the square root of Young's modulus, the indentation measurements do not correlate well with the impact breakage. The discrepancy between the impact and indentation methods is expected to be due to mechanical property variation across the tablet surface, and with strain rate. The impact method is a more suitable test to describe tablet propensity for attrition as it directly represents the failure mode tablets may experience during processing under well-defined conditions. In contrast, the friability test subjects tablets to a similar breakage mechanism but under less well-defined conditions, whilst the compression test represents a different failure mode that is not representative of stresses incurred during processing. PMID- 29197563 TI - GABAergic interneurons: The orchestra or the conductor in fear learning and memory? AB - Fear conditioning is a form of associative learning that is fundamental to survival and involves potentiation of activity in excitatory projection neurons (PNs). Current models stipulate that the mechanisms underlying this process involve plasticity of PN synapses, which exhibit strengthening in response to fear conditioning. However, excitatory PNs are extensively modulated by a diverse array of GABAergic interneurons whose contributions to acquisition, storage, and expression of fear memory remain poorly understood. Here we review emerging evidence that genetically-defined interneurons play important subtype-specific roles in processing of fear-related stimuli and that these dynamics shape PN firing through both inhibition and disinhibition. Furthermore, interneurons exhibit structural, molecular, and electrophysiological evidence of fear learning induced synaptic plasticity. These studies warrant discarding the notion of interneurons as passive bystanders in long-term memory. PMID- 29197565 TI - Molecular and biochemical biomarkers for diagnosis and therapy monitorization of Niemann-Pick type C patients. AB - BACKGROUND: Niemann-Pick type C (NP-C), one of 50 inherited lysosomal storage disorders, is caused by NPC protein impairment that leads to unesterified cholesterol accumulation in late endosomal/lysosomal compartments. The clinical manifestations of NP-C include hepatosplenomegaly, neurological and psychiatric symptoms. Current diagnosis for NP-C is based on observation of the accumulated cholesterol in fibroblasts of affected individuals, using an invasive and time expensive test, called Filipin staining. Lately, two metabolites that are markedly increased in NP-C patients are arising as biomarkers for this disease screening: 7-ketocholesterol and cholestane-3beta,5alpha,6beta-triol, both oxidized cholesterol products. OBJECTIVE: In this work, we aimed to evaluate the performance of cholestane-3beta,5alpha,6beta-triol analysis for the screening and monitoring of NPC patients, correlating it with chitotriosidase levels, Filipin staining and molecular analysis. It was investigated 76 non-treated individuals with NP-C suspicion and also 7 patients with previous NP-C diagnosis under treatment with miglustat, in order to verify the cholestane-3beta,5alpha,6beta triol value as a tool for therapy monitoring. RESULTS: Considering molecular assay as golden standard, it was verified that cholestane-3beta,5alpha,6beta triol analysis presented 88% of sensitivity, 96.08% of specificity, a positive and negative predictive value calculated in 91.67% and 94.23%, respectively, for the diagnosis of NP-C. Chitotriosidase levels were increased in patients with positive molecular analysis for NP-C. For Filipin staining, it was found 1 false positive, 7 false negative and 24 inconclusive cases, showing that this assay has important limitations for NP-C diagnosis. Besides, we found a significant decrease in cholestane-3beta,5alpha,6beta-triol concentrations in NP-C patients under therapy with miglustat when compared to non-treated patients. CONCLUSION: Taken together, the present data show that cholestane-3beta,5alpha,6beta-triol analysis has a high potential to be an important NP-C screening assay, and also can be used for therapy monitorization with miglustat in NP-C patients. PMID- 29197566 TI - Local subcutaneous injection of chlorogenic acid inhibits the nociceptive trigeminal spinal nucleus caudalis neurons in rats. AB - Acute administration of chlorogenic acid (CGA) in vitro was recently shown to modulate potassium channel conductance and acid-sensing ion channels (ASICs) in the primary sensory neurons; however, in vivo peripheral effects of CGA on the nociceptive mechanical stimulation of trigeminal neuronal activity remains to be determined. The present study investigated whether local administration of CGA in vivo attenuates mechanical stimulation-induced excitability of trigeminal spinal nucleus caudalis neuronal (SpVc) activity in rats. Extracellular single-unit recordings were made of SpVc wide-dynamic range (WDR) neuronal activity elicited by non-noxious and noxious orofacial mechanical stimulation in pentobarbital anesthetized rats. The mean number of SpVc WDR neuronal firings responding to both non-noxious and noxious mechanical stimuli were significantly and dose dependently inhibited by local subcutaneous administration of CGA (0.1-10mM), with the maximal inhibition of discharge frequency revealed within 10min and reversed after approximately 30min. The mean frequency of SpVc neuronal discharge inhibition by CGA was comparable to that by a local anesthetic, the sodium channel blocker, 1% lidocaine. These results suggest that local CGA injection into the peripheral receptive field suppresses the excitability of SpVc neurons, possibly via the activation of voltage-gated potassium channels and modulation of ASICs in the nociceptive nerve terminal of trigeminal ganglion neurons. Therefore, local injection of CGA could contribute to local anesthetic agents for the treatment of trigeminal nociceptive pain. PMID- 29197567 TI - Biologically anchored chitosan/gelatin-SrHAP scaffold fabricated on Titanium against chronic osteomyelitis infection. AB - The obstacles faced to treat chronic osteomyelitis infection clinically led to the search for an ideal biomaterial, resulted in combining two major aspects of bone tissue engineering namely surface modified metallic implant and polymer nanocomposite scaffold. In the present study Gelatin - Strontium incorporated Hydroxyapatite (SrHAP) forming HG scaffold, vancomycin loaded chitosan -gelatin polyelectrolyte complex incorporated gelatin-SrHAP, forming HV scaffolds (HV1 0.5wt% and HV2-1wt% vancomycin) were investigated. The HG, HV1 and HV2 scaffolds were successfully fabricated on Cp-Ti through anchoring by treatment with dopamine, which forms a bidentate co-ordination through NH bonding. Interconnected porous morphology of the scaffolds was confirmed, besides the globular Sr-HAP found in HV2 scaffold. The total amount of vancomycin encapsulation for HV1 and HV2 scaffolds were determined to be 47.55+/-1.6MUg and 82.45+/-3.5MUg respectively. Among the scaffolds studied HV2 scaffold were found to have a significant antibacterial activity for both MRSA and MSSA strains compared to Cp-Ti, HG and HV1 scaffolds. The HV2 scaffold also had significantly higher% of cell viability compared to Cp-Ti, HG and HV1 scaffolds. Furthermore, the presence of the drug vancomycin had no toxic effect on the cells, rather it aided in enhanced cell proliferation and spreading. PMID- 29197568 TI - Inhibition of insulin amyloid fibrillation by Morin hydrate. AB - We report here the inhibition of amyloid fibrillation of human insulin in vitro by Morin hydrate, a naturally occurring small molecule. Using spectroscopic assays and transmission electron microscopy, we found that Morin hydrate effectively inhibits insulin amyloid fibrillation in a dose dependent manner with more than 80% inhibition occurring even at only a 1:1 concentration. As suggested by fluorescence spectroscopic titration studies, Morin hydrate binds to insulin with a fairly strong affinity of -26.436kJmol-1. Circular dichroism (CD) spectroscopy was used to analyse structural changes of insulin in the presence of Morin hydrate demonstrating the ability of Morin hydrate to bind with the native monomeric protein and/or its near native state, intermediate oligomeric species and amyloid fibrils. Based on computational docking and molecular dynamics study, we propose that Morin hydrate binds to residues having greater aggregation propensity and prevent structural and/or conformational changes leading to amyloid fibrillation. Morin hydrate should also bind to fibrils by hydrogen bonding and/or hydrophobic forces throughout the surface, stabilize them and inhibit the release of oligomeric species which could be nuclei or template for further fibrillation. Overall results provide an insight into the mechanism of inhibition of insulin amyloid fibrillation by Morin hydrate. PMID- 29197569 TI - Non-covalent interaction between CA-TAT and calf thymus DNA: Deciphering the binding mode by in vitro studies. AB - CA-TAT, a novel peptide analog, was modified at the N-terminus of TAT (47-57), the cell-penetrating peptide transacting activator of transcription, by attaching cecropin A (1-7). CA-TAT, TAT (47-57), and cecropin A (1-7) were synthesized using standard Fmoc solid-phase peptide synthesis procedures, purified using reversed-phase high performance liquid chromatography (RP-HPLC), and characterized using ESI-MS. CA-TAT demonstrated antibacterial activities against bacteria with low hemolysis (MHC > 128 MUM). The minimum inhibitory concentration (MIC) values of CA-TAT were in the range of 1-16 MUM, which completely inhibited both gram-positive and gram-negative bacteria. The interactions between CA-TAT or TAT (47-57) and calf thymus DNA (ct-DNA) were investigated using multi spectroscopic techniques and viscometry. The results showed that both CA-TAT and TAT (47-57) can interact with DNA via the minor groove-binding mode, and binding constant was calculated to be 2.83 * 105 L mol-1 at 310 K, which is lower than that with the classical intercalation binder ethidium bromide (EB). Compared with TAT (47-57) or cecropin A (1-7), CA-TAT combined with DNA much closer. The study results suggest that CA-TAT can be used as a novel antibacterial peptide in the development of new antibiotics because of its antibacterial activity that targets intracellular DNA. PMID- 29197570 TI - Polymer coated mesoporous ceramic for drug delivery in bone tissue engineering. AB - Treatment strategy for various bone fracture and defects the researchers are focusing to develop a new carrier for delivering the drug into injured area with controlled and sustained manner using biomaterials with dynamic architecture orientation. Ceramic materials are resembled with bone compositional architecture and better bioactivity, degradability as well as antimicrobial activity made its enormous application in bone tissue engineering (BTE). Current focus in regenerative medicine were orchestration of biomaterials with the capacity of loading the drugs, growth factors, ionic components to promote better healing of bone tissue. Mesoporous type materials owed a great look towards the delivery of drugs, growth factors, etc in BTE because of its unique geometry. So the guest molecules loaded with geometrically organized ceramics would deliver onto the site of injury in controlled manner also the guiding and regulation of delivery of molecules have been controlled with the polymers response to different stimulation or biochemical factors as either scaffold or encapsulated particles for bone regeneration. Hence the review aims to describing the recent progress in bone tissue engineering using the ceramic based mesoporous materials encapsulated with polymers respond to different physiochemical stimulation for the efficient and controlled delivery of drug/growth factors for better bone healing. PMID- 29197571 TI - Chitin from Agaricus bisporus: Extraction and characterization. AB - Chitin was isolated from three main fruit body parts of the Agaricus bisporus mushroom, i.e. pileus, stipes and gills. Chitin was extracted by alkaline treatment of A. bisporus fruit body parts in 1 M NaOH at 80 degrees C for 2 h.The lyophilized fruit bodies were examined by SEM and exhibited a porous structure that is favorable to polysaccharide extraction. A mild extraction method was adopted to limit the degradation of chitin. The highest extraction yield of chitin was obtained for stipes (7.4% of dry weight). For pileus and gills, yields of chitin were 6.4% and 5.9%, respectively. Chitin extracted from stipes was characterized by thermal analysis, X-ray diffraction, infrared spectroscopy and solid-state 13C NMR. Results showed that the extracted chitin was in the alpha form, with a 63% crystalline index (CrI) and a degree of N acetylation (DA) of 70%. The presence of proteins and glucans were not observed in the extracted chitin. PMID- 29197572 TI - Diversity in cadmium accumulation and resistance associated with various metallothionein genes (type III) in Phytolacca americana L. AB - Metallothioneins (MTs) are known for their heavy metal deoxidation during phytoremediation. To estimate their roles in the cadmium (Cd) hyperaccumulator Phytolacca americana L., three MT genes, PaMT3-1, PaMT3-2 and PaMT3-3, belonging to the MT3 subfamily were cloned. They separately encoded 63, 65 and 65 amino acids, containing12, 10 and 11 cysteines (Cys), respectively. Each gene was individually transformed and expressed in Escherichia coli cells. A Cd-resistance assay showed that the recombinant strains had enhanced survival rates, especially those containing PaMT3-1 and PaMT3-3. Additionally, the recombinant strains were high Cd accumulators, with the recombinant PaMT3-1's maximum accumulation being 2.16 times that of the empty vector strains. The numbers of cysteines and the structures of MT proteins were associated with the Cd enrichment and resistance capabilities. PaMT3-1 could be an effective gene resource in future plant Cd remediation-related breeding programs. PMID- 29197573 TI - Development of the emotional brain. AB - In this article, we highlight the importance of dynamic reorganization of neural circuitry during adolescence, as it relates to the development of emotion reactivity and regulation. We offer a neurobiological account of hierarchical, circuit-based changes that coincide with emotional development during this time. Recent imaging studies suggest that the development of the emotional brain involves a cascade of changes in limbic and cognitive control circuitry. These changes are particularly pronounced during adolescence, when the demand for self regulation across a variety of emotional and social situations may be greatest. We propose that hierarchical changes in circuitry, from subcortico-subcortical to subcortico-cortical to cortico-subcortical and finally to cortico-cortical, may underlie the gradual changes in emotion reactivity and regulation throughout adolescence into young adulthood, with changes at each level being necessary for the instantiation of changes at the next level. PMID- 29197574 TI - Endothelial microparticles-mediated transfer of microRNA-19b promotes atherosclerosis via activating perivascular adipose tissue inflammation in apoE-/ mice. AB - Microparticles(MPs) are the major carriers of circulating microRNAs. Our previous study has shown that microRNA (miR)-19b in endothelial cell-derived microparticles (EMPs) is significantly increased in patients with unstable angina. However, little is known about the relationship between miR-19b in EMPs and the progression of atherosclerosis. The aim of the present study was to define the role and potential mechanism of miR-19b incorporated in EMPs in the development of atherosclerosis. Western-diet-fed apoE-/- mice were injected with phosphate buffered solution(PBS), EMP carrying microRNA control(EMPcontrol) or miR-19b mimic (EMPmiR19b) intravenously. Systemic treatment with EMPmiR19b significantly accelerated carotid artery atherosclerosis progression by increasing lipid, macrophages and smooth muscle cells and decreasing collagen content in atherosclerotic plaque. Fluorescence-labelled EMPmiR19b injection proved that miR-19b could be transported into perivascular adipose tissue(PVAT) by EMPs. EMPmiR19b treatment also promoted inflammatory cytokines secretion and macrophages infiltration in PVAT. In further experiment, apoE-/- mice were divided into 3 groups: EMPcontrolPVAT(+), EMPmiR19bPVAT(+) and EMPmiR19bPVAT(-), based on removing or keeping pericarotid adipose tissue and injected with EMPcontrol or EMPmiR19b. Loss of PVAT attenuated EMPmiR19b-mediated effects on increasing carotid atherosclerosis formation and inflammatory cytokines level in plaque. EMPmiR19b inhibited suppressor of cytokine signaling 3 (SOCS3) expression in PVAT. Our findings demonstrate that miR-19b in EMPs exaggerates atherosclerosis progression by augmenting PVAT-specific inflammation proceeded by downregulating SOCS3 expression. PMID- 29197575 TI - Trametinib suppresses HIV-1 replication by interfering with the disassembly of human immunodeficiency virus type 1 capsid core. AB - Our previous study showed that the phosphorylation of a highly conserved serine residue, Ser16 in the human immunodeficiency virus type 1 (HIV-1) capsid (CA) protein is promoted by virion-incorporated extracellular signal-regulated kinase 2 (ERK2) and required for proper peptidyl-prolyl isomerase (Pin1)-mediated uncoating. Interestingly, western blot analysis demonstrated that phosphorylated/activated mitogen-activated protein kinase kinase 1/2 (MEK1/2), the upstream activator of ERK2, as well as ERK2 are incorporated into virions. Here, we show that the MEK1/2 selective allosteric inhibitor Trametinib reduces HIV-1 infectivity via the decrease in virion-incorporated ERK2 phosphorylation. The treatment of chronic HIV-1-infected T-cell line, CEM/LAV-1 cells with Trametinib results in a decrease in ERK2 phosphorylation in the virions. The viruses have relatively low infectivity and impaired reverse transcription. Cell based fate-of-capsid uncoating assay showed that the reduction in infectivity was caused by a functional impairment of the uncoating process. Furthermore, the viruses from Trametinib-treated CEM/LAV-1 cells also showed decreased reverse transcription efficiency and attenuated multiple rounds of replication in human peripheral blood mononuclear cells (PBMCs). Taken together, these findings suggest that Trametinib suppresses HIV-1 replication by abrogating the proper disassembly of CA core. PMID- 29197576 TI - Neferine, is not inducer but blocker for macroautophagic flux targeting on lysosome malfunction. AB - Neferine, an alkaloid isolated from Lotus seeds, displays multiple pharmacological effects that counter cancer, oxidants, and arrhythmia. It was initially identified as a strong inducer for macroautophagy in cancer cells by suppressing AMPK/mTOR signaling. In this study, we found that autophagy signaling was inhibited in the condition of neferine treatment. Exposure to neferine resulted in the accumulation of LC3-II and an associated adaptor protein, p62/SQSTM1. Knockdown of ATG5 failed to reduce the accumulation of LC3-II induced by neferine. The electron microscopy (EM) images showed that neferine induce accumulation of multi-vesicle bodies (MVB) and failure of lysosome maturation. Moreover, exposure to neferine reduced maturation of cathepsin D and impaired the degradation of autophagic and phagocytic cargos. Rather than stimulate autophagic flux, the data indicate that neferine impaired lysosomes to block degradation within phagolysosomes. PMID- 29197577 TI - Solution structure analysis of the periplasmic region of bacterial flagellar motor stators by small angle X-ray scattering. AB - The bacterial flagellar motor drives the rotation of helical flagellar filaments to propel bacteria through viscous media. It consists of a dynamic population of mechanosensitive stators that are embedded in the inner membrane and activate in response to external load. This entails assembly around the rotor, anchoring to the peptidoglycan layer to counteract torque from the rotor and opening of a cation channel to facilitate an influx of cations, which is converted into mechanical rotation. Stator complexes are comprised of four copies of an integral membrane A subunit and two copies of a B subunit. Each B subunit includes a C terminal OmpA-like peptidoglycan-binding (PGB) domain. This is thought to be linked to a single N-terminal transmembrane helix by a long unstructured peptide, which allows the PGB domain to bind to the peptidoglycan layer during stator anchoring. The high-resolution crystal structures of flagellar motor PGB domains from Salmonella enterica (MotBC2) and Vibrio alginolyticus (PomBC5) have previously been elucidated. Here, we use small-angle X-ray scattering (SAXS). We show that unlike MotBC2, the dimeric conformation of the PomBC5 in solution differs to its crystal structure, and explore the functional relevance by characterising gain-of-function mutants as well as wild-type constructs of various lengths. These provide new insight into the conformational diversity of flagellar motor PGB domains and experimental verification of their overall topology. PMID- 29197578 TI - Magnesium-based bioceramics in orthopedic applications. AB - : Magnesium ions are directly involved in numerous biological mechanisms; for example, they play an important part in the regulation of ion channels, DNA stabilization, enzyme activation and stimulation of cell growth and proliferation. This alkaline earth metal has gained great popularity in orthopedic applications in recent years. Magnesium-based bioceramics include a large group of magnesium containing compounds such as oxides, phosphates and silicates, that are involved in orthopedic applications like bone cements, bone scaffolds or implant coatings. This article aims to give a comprehensive review on different magnesium-based bioceramics, e.g. magnesium phosphates (MgO-P2O5), calcium magnesium phosphates (CaO-MgO-P2O5), and magnesium glasses (SiO2-MgO) with a strong focus on the chemistry and properties of magnesium phosphate containing cements as the main application form. In addition, the processing of magnesium phosphate minerals into macroporous scaffolds for tissue engineering applications by either using traditional porogens or by additive manufacturing approaches are reflected. Finally, the biological in vitro and in vivo properties of magnesium phosphates for bone regeneration are summarized, which show promising results regarding the application as bone replacement material, but still lack in terms of testing in large animal models, load-bearing application sites and clinical data. STATEMENT OF SIGNIFICANCE: Though bone substitutes from calcium phosphates have been investigated for a long time, a new trend is visible in the biomaterials sector: magnesium based bioceramics from magnesium phosphates and silicates due to the special biological significance of magnesium ions in enzymatic activation, cell growth and proliferation, etc. In contrast to pure magnesium implants, such formulations do not release hydrogen during degradation. As with calcium based bioceramics, magnesium based bioceramics are used for the development of diverse applications such as cements, macroporous scaffolds and coatings. From this perspective, we present a systematic overview on diverse kinds of magnesium based bioceramics, their processing regimes for different clinical purposes and their behavior both in vitro and in vivo. PMID- 29197579 TI - Microfluidic production of bioactive fibrin micro-beads embedded in crosslinked collagen used as an injectable bulking agent for urinary incontinence treatment. AB - : Endoscopic injection of bulking agents has been widely used to treat urinary incontinence, often due to urethral sphincter complex insufficiency. The aim of the study was to develop a novel injectable bioactive collagen-fibrin bulking agent restoring long-term continence by functional muscle tissue regeneration. Fibrin micro-beads were engineered using a droplet microfluidic system. They had an average diameter of 140 MUm and recombinant fibrin-binding insulin-like growth factor-1 (alpha2PI1-8-MMP-IGF-1) was covalently conjugated to the beads. A plasmin fibrin degradation assay showed that 72.5% of the initial amount of alpha2PI1-8-MMP-IGF-1 loaded into the micro-beads was retained within the fibrin micro-beads. In vitro, the growth factor modified fibrin micro-beads enhanced cell attachment and the migration of human urinary tract smooth muscle cells, however, no change of the cellular metabolic activity was seen. These bioactive micro-beads were mixed with genipin-crosslinked homogenized collagen, acting as a carrier. The collagen concentration, the degree of crosslinking, and the mechanical behavior of this bioactive collagen-fibrin injectable were comparable to reference samples. This novel injectable showed no burst release of the growth factor, had a positive effect on cell behavior and may therefore induce smooth muscle regeneration in vivo, necessary for the functional treatment of stress and other urinary incontinences. STATEMENT OF SIGNIFICANCE: Urinary incontinence is involuntary urine leakage, resulting from a deficient function of the sphincter muscle complex. Yet there is no functional cure for this devastating condition using current treatment options. Applied physical and surgical therapies have limited success. In this study, a novel bioactive injectable bulking agent, triggering new muscle regeneration at the injection site, has been evaluated. This injectable consists of cross-linked collagen and fibrin micro-beads, functionalized with bound insulin-like growth factor-1 (alpha2PI1-8-MMP-IGF-1). These bioactive fibrin micro-beads induced human smooth muscle cell migration in vitro. Thus, this injectable bulking agent is apt to be a good candidate for regeneration of urethral sphincter muscle, ensuring a long-lasting treatment for urinary incontinence. PMID- 29197580 TI - Evaluation of reproductive toxicity in rats treated with triclosan. AB - Triclosan (TCS) is an antibacterial agent used in a variety of consumer products such as: soaps, deodorant, and toothpaste, among others. Some studies have reported the (anti)androgenic effects of TCS in the male reproductive system, raising concerns about its effects on the reproductive axis. In this study, the (anti)androgenicity of TCS was evaluated in the Hershberger assay in 52-day old male Wistar rats. Additionally, the sexual behavior, sperm motility, sperm viability, and testicular histomorphometry were evaluated in a second protocol to investigate the reproductive effects of TCS in 49-day old male Wistar rats. The dosages were administered based on the acceptable daily intake for TCS, in addition to 3 and 10-fold higher doses. Our results demonstrated that TCS, in the doses administered, did not act as an endocrine disrupter (ED), with no (anti)androgenic effect in the Hershberger assay and without interfering with the parameters evaluated in the reproductive toxicity study. PMID- 29197581 TI - Proteomic analysis of Bombyx mori molting fluid: Insights into the molting process. AB - : Molting is an essential biological process occurring multiple times throughout the life cycle of most Ecdysozoa. Molting fluids accumulate and function in the exuvial space during the molting process. In this study, we used liquid chromatography-tandem mass spectrometry to investigate the molting fluids to analyze the molecular mechanisms of molting in the silkworm, Bombyx mori. In total, 375 proteins were identified in molting fluids from the silkworm at 14-16h before pupation and eclosion, including 12 chitin metabolism-related enzymes, 35 serine proteases, 15 peptidases, and 38 protease inhibitors. Gene ontology analysis indicated that "catalytic" constitutes the most enriched function in the molting fluid. Gene expression patterns and bioinformatic analyses suggested that numerous enzymes are involved in the degradation of cuticle proteins and chitin. Protein-protein interaction network and activity analyses showed that protease inhibitors are involved in the regulation of multiple pathways in molting fluid. Additionally, many immune-related proteins may be involved in the immune defense during molting. These results provide a comprehensive proteomic insight into proteolytic enzymes and protease inhibitors in molting fluid, and will likely improve the current understanding of physiological processes in insect molting. BIOLOGICAL SIGNIFICANCE: Insect molting constitutes a dynamic physiological process. To better understand this process, we used LC-MS/MS to investigate the proteome of silkworm molting fluids and identified key proteins involved in silkworm molting. The biological processes of the old cuticle degradation pathway and immune defense response were analyzed in the proteome of silkworm molting fluid. We report that protease inhibitors serve as key factors in the regulation of the molting process. The proteomic results provide new insight into biological molting processes in insects. PMID- 29197582 TI - Label-free quantitative proteomic profiling of colon cancer cells identifies acetyl-CoA carboxylase alpha as antitumor target of Citrus limon-derived nanovesicles. AB - : We have previously isolated exosome-like nanoparticles from Citrus-limon juice, able to inhibit in vitro and in vivo tumor cell growth. In order to deeply understand the mechanism underlying nanovesicle effects, we performed a proteomic profile of treated colorectal cancer cells. Among the proteins differentially expressed after nanovesicle treatment, we found a significant downregulation of the Acetyl-CoA Carboxylase 1 (ACACA) and we demonstrated that silencing ACACA in cancer cells leads to a reduction of cell growth. Our study proved that the anti tumor effects of Citrus-limon nanovesicles is partly mediated by lipid metabolism inhibition, in particular via ACACA downregulation. SIGNIFICANCE: This study represents the attempt to achieve, by a proteomic approach, a better understanding of the role of lemon nanovesicles in affecting colorectal cancer cell growth. PMID- 29197583 TI - Evaluation of ion mobility for the separation of glycoconjugate isomers due to different types of sialic acid linkage, at the intact glycoprotein, glycopeptide and glycan level. AB - : The study of protein glycosylation can be regarded as an intricate but very important task, making glycomics one of the most challenging and interesting, albeit under-researched, type of "omics" science. Complexity escalates remarkably when considering that carbohydrates can form severely branched structures with many different constituents, which often leads to the formation of multiple isomers. In this regard, ion mobility (IM) spectrometry has recently demonstrated its power for the separation of isomeric compounds. In the present work, the potential of traveling wave IM (TWIMS) for the separation of isomeric glycoconjugates was evaluated, using mouse transferrin (mTf) as model glycoprotein. Particularly, we aim to assess the performance of this platform for the separation of isomeric glycoconjugates due to the type of sialic acid linkage, at the intact glycoprotein, glycopeptide and glycan level. Straightforward separation of isomers was achieved with the analysis of released glycans, as opposed to the glycopeptides which showed a more complex pattern. Finally, the developed methodology was applied to serum samples of mice, to investigate its robustness when analyzing real complex samples. BIOLOGICAL SIGNIFICANCE: Ion mobility mass spectrometry is a promising analytical technique for the separation of glycoconjugate isomers due to type of sialic acid linkage. The impact of such a small modification in the glycan structure is more evident in smaller analytes, reason why the analysis of free glycans was easier compared to the intact protein or the glycopeptides. The established methodology could be regarded as starting point in the separation of highly decorated glycoconjugates. This is an important topic nowadays, as differences in the abundance of some glycan isomers could be the key for the early diagnosis, control or differentiation of certain diseases, such as inflammation or cancer. PMID- 29197585 TI - Studying assembly of the BAM complex in native membranes by cellular solid-state NMR spectroscopy. AB - Significant progress has been made in obtaining structural insight into the assembly of the beta-barrel assembly machinery complex (BAM). These crystallography and electron microscopy studies used detergent as a membrane mimetic and revealed structural variations in the central domain, BamA, as well as in the lipoprotein BamC. We have used cellular solid-state NMR spectroscopy to examine the entire BamABCDE complex in native outer membranes and obtained data on the BamCDE subcomplex in outer membranes, in addition to synthetic bilayers. To reduce spectral crowding, we utilized proton-detected experiments and employed amino-acid specific isotope-labelling in (13C, 13C) correlation experiments. Taken together, the results provide insight into the overall fold and assembly of the BAM complex in native membranes, in particular regarding the structural flexibility of BamC in the absence of the core unit BamA. PMID- 29197584 TI - Depletion of transglutaminase 2 in neurons alters expression of extracellular matrix and signal transduction genes and compromises cell viability. AB - The protein transglutaminase 2 (TG2) has been implicated as a modulator of neuronal viability. TG2's role in mediating cell survival processes has been suggested to involve its ability to alter transcriptional events. The goal of this study was to examine the role of TG2 in neuronal survival and to begin to delineate the pathways it regulates. We show that depletion of TG2 significantly compromises the viability of neurons in the absence of any stressors. RNA sequencing revealed that depletion of TG2 dysregulated the expression of 86 genes with 59 of these being upregulated. The genes that were upregulated by TG2 knockdown were primarily involved in extracellular matrix function, cell signaling and cytoskeleton integrity pathways. Finally, depletion of TG2 significantly reduced neurite length. These findings suggest for the first time that TG2 plays a crucial role in mediating neuronal survival through its regulation of genes involved in neurite length and maintenance. PMID- 29197586 TI - pH-sensitive polymeric nanoparticles with antioxidant and anti-inflammatory properties against cisplatin-induced hearing loss. AB - Polymeric nanoparticles (NPs) based on smart synthetic amphiphilic copolymers are used to transport and controlled release dexamethasone in the inner ear to protect against the ototoxic effect of cisplatin. The NPs were based on a mixture of two pseudo-block polymer drugs obtained by free radical polymerization: poly(VI-co-HEI) and poly(VP-co-MVE) or poly(VP-co-MTOS), being VI 1 vinylimidazole, VP N-vinylpyrrolidone, and HEI, MVE and MTOS the methacrylic derivatives of ibuprofen, alpha-tocopherol and alpha-tocopheryl succinate, respectively. The NPs were obtained by nanoprecipitation with appropriate hydrodynamic properties, and isoelectric points that matched the pH of inflamed tissue. The NPs were tested both in vitro (using HEI-OC1 cells) and in vivo (using a murine model) with good results. Although the concentration of dexamethasone administered in the NPs is around two orders of magnitude lower that the conventional treatment for intratympanic administration, the NPs protected from the cytotoxic effect of cisplatin when the combination of the appropriate properties in terms of size, zeta potential, encapsulation efficiency and isoelectric point were achieved. To the best of our knowledge this is the first time that pH sensitive NPs are used to protect from cisplatin-induced hearing loss by intratympanic administration. PMID- 29197588 TI - Genome-wide profiling of gene expression and DNA methylation provides insight into low-altitude acclimation in Tibetan pigs. AB - Efforts have been made to characterize the high-altitude adaption in Tibetan pigs and identified vast of genes or genomic regions undergone natural selection. Nonetheless, information concerning gene expression and DNA methylation changes response to low-altitude acclimation in Tibetan pigs is long overdue. To explore the exceptional mechanisms of gene expression and DNA methylation that are induced by low altitude environments in Tibetan pigs, we performed a comparative transcriptomic and DNA methylation analysis of skeletal muscle between indigenous Tibetan pigs that reside in high altitude regions (~4000m) and their counterparts that migrated to the geographically neighboring low-altitude regions (~500m) for nearly ten generations. Many genes that related to hypoxia response (EGLN3 and FLT1) and energy metabolism (TFB2M) were differentially expressed, but without significant DNA methylation changes. We also found genes embedded in differentially methylated regions were mainly involved in 'Starch and sucrose metabolism', 'glucuronosyltransferase activity' processes. Specifically, our results showed increased SIN3A mRNA expression, with hypomethylation status of its promoter, in longissimus dorsi muscle of low-altitude Tibetan pig. Another gene, CACNG6, showed decreasing expression level with an elevated methylation in its intron 3. These results indicated DNA-methylation-mediated expression alterations in low-altitude acclimation. We envision that this study will serve as a valuable resource for mammal acclimation research and agricultural food industry. PMID- 29197587 TI - Analysis of miRNA expression profiles in melatonin-exposed GC-1 spg cell line. AB - Melatonin is an endocrine neurohormone secreted by pinealocytes in the pineal gland. It exerts diverse physiological effects, such as circadian rhythm regulator and antioxidant. However, the functional importance of melatonin in spermatogenesis regulation remains unclear. The objectives of this study are to: (1) detect melatonin affection on miRNA expression profiles in GC-1 spg cells by miRNA deep sequencing (DeepSeq) and (2) define melatonin affected miRNA-mRNA interactions and associated biological processes using bioinformatics analysis. GC-1 spg cells were cultured with melatonin (10-7M) for 24h. DeepSeq data were validated using quantitative real-time reverse transcription polymerase chain reaction analysis (qRT-PCR). A total of 176 miRNA expressions were found to be significantly different between two groups (fold change of >2 or <0.5 and FDR<0.05). Among these expressions, 171 were up-regulated, and 5 were down regulated. Ontology analysis of biological processes of these targets indicated a variety of biological functions. Pathway analysis indicated that the predicted targets were involved in cancers, apoptosis and signaling pathways, such as VEGF, TNF, Ras and Notch. Results implicated that melatonin could regulate the expression of miRNA to perform its physiological effects in GC-1 spg cells. These results should be useful to investigate the biological function of miRNAs regulated by melatonin in spermatogenesis and testicular germ cell tumor. PMID- 29197589 TI - SIRT6 expression and oxidative DNA damage in individuals with prediabetes and type 2 diabetes mellitus. AB - Sirtuins (SIRTs) is a family of NAD+ dependent histone deacetylases. SIRT6 takes play in glucose homeostasis, genomic stability and DNA repair. Although increased oxidative DNA damage and decreased DNA repair activity were determined in diabetes mellitus, the possible relation between level of oxidative DNA damage and SIRT6 expression has not been investigated so far. We determined SIRT6 expression and urinary 8-hydroxy deoxyguanosine (8-OHdG) levels, marker of oxidative DNA damage, in cases with prediabetes (PreDM) and type 2 diabetes mellitus (T2DM). SIRT6 gene expression was determined in peripheral blood leukocytes of 70 patients with type 2 diabetes, 50 cases in prediabetic stage and 40 healthy subjects. SIRT6 mRNA levels were determined by quantitive real time- polymerase chain reaction. SIRT6 protein was detected by immunocytochemical staining. Urinary 8-hydroxy deoxyguanosine (8-OHdG) levels were measured by ELISA. There was no significant difference between groups for SIRT6 mRNA level. SIRT6 immunopositivity in T2DM group was lower when compared to those in preDM group (P<0.05). SIRT6 positive cell number in T2DM and preDM groups were lower in comparison to control group (P<0.01 for both), however, when study groups were subdivided into two groups according to their age, the difference between preDM and control groups disappeared in both mid-aged and old-aged groups. The urinary 8-OHdG level was found to be higher in the T2DM group in comparison to preDM group (P<0.05). When age is taken into consideration, urinary 8-OHdG level in the T2DM group was found to be higher than those in both preDM and control groups in the old-aged cases but no significant difference was determined between groups in the mid-aged cases. There was no relation between SIRT6 expression and urinary 8 OHDG excretion. It was concluded that SIRT6 may take play in development of T2DM but this effect seems to be independent from repair of oxidative DNA damage. PMID- 29197590 TI - Identification and expression patterns of adipokine genes during adipocyte differentiation in the Tibetan goat (Capra hircus). AB - Adipokines are secreted by adipose tissue and play an important role in the regulation of lipid metabolism. However, the information regarding adipokines in goats is limited. PPARgamma is a key gene in adipocyte differentiation and activates adipokine genes. Rosiglitazone is a PPARgamma agonist and can promote the expression of PPARgamma to increase the expression of lipogenesis-related genes. Therefore, investigation of the relationship between rosiglitazone and adipokines will help us to better understand the function of PPARgamma in lipid metabolism in Tibetan goats. In this study, we cloned the resistin (RETN), apelin (APLN), fibroblast growth factor 21 (FGF21), and visfatin (NAMPT) genes from non pregnant female Tibetan goat adipose tissue. APLN and NAMPT were predominantly expressed in the kidney, and FGF21 was expressed at the highest levels in the liver in vivo. In fat tissues, the highest expression levels of FGF21 and RETN were detected in omental fat, whereas their expression in perirenal and subcutaneous fat was extremely weak. APLN and NAMPT were abundantly expressed in omental and subcutaneous fat in vivo. In addition, the four adipokines had different expression profiles during goat adipocyte differentiation in vitro. Oil red O staining showed that rosiglitazone could promote adipocyte differentiation and lipid droplet formation. In addition, rosiglitazone significantly increased the expression of FGF21 and RETN (p<0.05) but decreased the expression of APLN and NAMPT (p<0.05). These results suggest that the four adipocytokine genes may have different roles during goat adipocyte differentiation. And PPARgamma could regulate the expression of the four adipokines, but the detailed regulatory mechanism still needs to be elucidated. PMID- 29197591 TI - Enhanced chondrogenesis of human bone marrow mesenchymal Stem Cell (BMSC) on nanofiber-based polyethersulfone (PES) scaffold. AB - Mesenchymal stem cells (MSC) from bone marrow hold great potential as a cell source for cartilage repair. The objective of our study was differentiation of MSC toward chondrocyte by using Nanofiber-based polyethersulfone (PES) scaffold and also enhanced chondrogenic differentiation of BMSC in vitro. MSCs were harvested from bone marrow of human and PES scaffold was fabricated via Electrospinning. The isolated cells were cultured on the PES scaffold and scaffold free method. After 21days, Real-time PCR was performed to evaluate the cartilage-specific genes in the mRNA levels. Also, in order to confirm our results, we have done immunocytochemistry and SEM imaging. Flowcytometry confirmed the nature of the isolated adherent cells. Immunocytochemistry and SEM imaging confirmed the differentiation of MSC toward chondrocyte. Also, real time PCR showed a significant increased gene expression of collagen type II and aggrecan on the PES scaffold method when compared to the mRNA levels measured in scaffold free method. Down regulation of Collagen type I was observed in PES scaffold compared to scaffold free at day 21. Also, both methods showed a similar pattern of expression of SOX9. Our results showed that PES scaffold maintains BMSC proliferation and differentiation, and can significantly enhance chondrogenic differentiation of BMSC. PES scaffold seeded BMSC showed the highest capacity for differentiation into chondrocyte-like cells. PMID- 29197592 TI - Porcine enterocyte protein Btnl5 negatively regulates NF-kappa B pathway by interfering p65 nuclear translocation. AB - Porcine butyrophilin-like 5 (Btnl5) is a novel member of the butyrophilin family, which consists of immune regulators. The expression pattern and the function of this gene remain unclear. In this study, Btnl5 is identified as a negative regulator of the NF-kappaB pathway. Our study indicates that Btnl5 is mainly expressed in intestinal epithelial cells (IECs) and expressed in membrane systems. Btnl5 inhibits MyD88-mediated activation of the NF-kappaB pathway. Btnl5 interacts with TNF receptor-associated factor 2 (TRAF2) and transcription factor p65. Besides, Btnl5 inhibits p65-mediated activation of the NF-kappaB pathway and inhibits nuclear translocation of p65. These results suggest that Btnl5 may inhibit NF-kappaB pathway through binding and interfere nuclear translocation of p65. PMID- 29197593 TI - Nanoparticle-mediated cryosurgery for tumor therapy. AB - Cryosurgery is an energy-based surgical technique. It is minimally invasive and has fewer side effects than surgical resection. However, its insufficient freezing to target tumor and unavoidable injury to healthy tissue have restricted its success. Nano-cryosurgery is the combination of cryogenic biomedicine and nanotechnology. Its principle is to introduce a nanoparticle solution into target tissues to maximize heat transfer, lower the end temperature, increase ice ball formation, and prevent healthy tissues from being frozen. This review covers common nanoplatforms for nano-cryosurgery. The characteristics, advantages, potential challenges, future prospects of applying nano-cryosurgery are discussed in detail. PMID- 29197594 TI - Fast and non-invasive serum detection technology based on surface-enhanced Raman spectroscopy and multivariate statistical analysis for liver disease. AB - This study explored a rapid and nondestructive liver disease detection technique based on surface-enhanced Raman spectroscopy (SERS) to realize the early diagnosis, prevention, and treatment of liver disease. SERS signals of serum were obtained from 304 normal individuals, 333 patients with hepatopathy, and 99 patients with esophageal cancer. The Raman spectra of different diseases were compared and diagnostic models of liver disease were established using orthogonal partial least squares discriminant analysis (OPLS-DA). The classification efficiencies of the different models were comprehensively evaluated through the receiver operating characteristic (ROC) curve and ten-fold cross validation. Area under the ROC curve is of greater than 0.97, indicating excellent classification of the groups. The accuracy rate of the test set reached 95.33%, and the lowest was 81.76% using the ten-fold cross validation. Thus, OPLS-DA combined with serum SERS is a rapid and non-invasive technique for the diagnosis of liver disease. PMID- 29197595 TI - Redescription of the genus Afrodiplozoon Khotenovski, 1981 and its only known species Afrodiplozoon polycotyleus (Paperna, 1973) (Monogenea: Diplozoidae) using a combined multidisciplinary approach. AB - The present study redescribes the monotypic genus Afrodiplozoon Khotenovski, 1981, a diplozooid parasite endemic to Africa, based on material collected during surveys carried out in the Limpopo Province, South Africa, from two cyprinid hosts Labeobarbus marequensis and Enteromius paludinosus. Morphometrical analysis of the composition of internal organs and attachment clamps, using light microscopy and scanning electron microscopy, provided details for the genus and species redescriptions. Posterior attachment apparatus can bear up the 15 pairs of the clamps with the first pair of clamps distinctly smaller and not fully developed. Molecular characterization of the second internal transcribed spacer (ITS2) rDNA and phylogenetic analysis revealed the position of Afrodiplozoon polycotyleus as a sister taxon to Paradiplozoon krugerense and Paradiplozoon bingolenisis, distant from other African representatives of the genus Paradiplozoon, Paradiplozoon vaaleense and Paradiplozoon ichtyoxanthon. PMID- 29197596 TI - Historical review and insights on the livestock tick-borne disease research of a developing country: The Philippine scenario. AB - Tick-borne diseases (TBDs) remain to be a global animal health threat. Developing countries like the Philippines is not exempt to this. Despite the potential impact TBDs can give to these countries, local government initiatives and researches remain to be limited. In the Philippines, most epidemiological studies were confined only to specific areas, and predominantly in the Northern Area. Due to its unique geography and limited studies, the current nationwide status of most TBDs could not be clearly established. This review mainly covered published studies and presented challenges in the conduct of TBD research in the Philippines, which may be similar to other Southeast Asian or developing countries. To date, reported livestock TBD pathogens in the Philippines include Anaplasma, Babesia, Theileria, and Mycoplasma spp. With the ubiquitous presence of the Rhipicephalus microplus ticks in the country, it is highly probable that other pathogens transmitted by these vectors could be present. Despite studies on different TBDs in the livestock sector, the Philippine government has not yet heightened its efforts to implement tick control measures as part of the routine animal health program for local farmers. Further studies might be needed to determine the nationwide prevalence of TBDs and the presence of other possible tick species and TBD pathogens. The Philippine scenario may present situations that are similar to other developing countries. PMID- 29197597 TI - Why should the two-thumb technique be used for infant cardiopulmonary resuscitation? PMID- 29197598 TI - Effect of sedation on quantitative electroencephalography after cardiac arrest. AB - BACKGROUND: Electroencephalography (EEG) has clinical and prognostic importance after cardiac arrest (CA). Recently, interest in quantitative EEG (qEEG) analysis has grown. The qualitative effects of sedation on EEG are well known, but potentially confounding effects of sedatives on qEEG after anoxic injury are poorly characterized. We hypothesize that sedation increases suppression ratio (SR) and decreases alpha/delta ratio (ADR) and amplitude-integrated EEG (aEEG), and that the magnitude of sedation effects will be associated with outcome. METHODS: We routinely monitor comatose post-arrest patients with EEG for 48-72h. We included comatose EEG-monitored patients after CA who had protocolized daily sedation interruptions. We used Persyst v12 to quantify qEEG parameters and calculated medians for 10min immediately prior to sedation interruption and for the last 5min of interruption. We used paired t-tests to determine whether qEEG parameters changed with sedation cessation, and logistic regression to determine whether these changes predicted functional recovery or survival at discharge. RESULTS: 78 subjects were included (median age 56, 65% male). Interruptions occurred a median duration of 34h post-arrest and lasted a median duration of 60min. Prior to interruption, higher aEEG predicted survival, while lower SR predicted both survival and favorable outcome. During interruption, SR decreased (p<0.001), aEEG increased (p=0.002), and ADR did not change. Larger decreases in SR predicted decreased survival (OR=1.04 per percent change; 95% CI 1.00-1.09). CONCLUSION: Higher aEEG and lower SR predict survival after CA. Sedation alters aEEG and SR, but importantly does not appear to affect the relationship between these parameter values and outcome. PMID- 29197599 TI - Meningococcal carriage within households in the African meningitis belt: A longitudinal pilot study. AB - OBJECTIVES: Carriers of Neisseria meningitidis are a key source of transmission. In the African meningitis belt, where risk of meningococcal disease is highest, a greater understanding of meningococcal carriage dynamics is needed. METHODS: We randomly selected an age-stratified sample of 400 residents from 116 households in Bamako, Mali, and collected pharyngeal swabs in May 2010. A month later, we enrolled all 202 residents of 20 of these households (6 with known carriers) and collected swabs monthly for 6 months prior to MenAfriVac vaccine introduction and returned 10 months later to collect swabs monthly for 3 months. We used standard bacteriological methods to identify N. meningitidis carriers and fit hidden Markov models to assess acquisition and clearance overall and by sex and age. RESULTS: During the cross-sectional study 5.0% of individuals (20/400) were carriers. During the longitudinal study, 73 carriage events were identified from 1422 swabs analyzed, and 16.3% of individuals (33/202) were identified as carriers at least once. The majority of isolates were non-groupable; no serogroup A carriers were identified. CONCLUSIONS: Our results suggest that the duration of carriage with any N. meningitidis averages 2.9 months and that males and children acquire and lose carriage more frequently in an urban setting in Mali. Our study informed the design of a larger study implemented in seven countries of the African meningitis belt. PMID- 29197600 TI - Alveolar T-helper 17 responses to streptococcus pneumoniae are preserved in ART untreated and treated HIV-infected Malawian adults. AB - OBJECTIVE: We explored if HIV infection is associated with impaired T-Helper 17 responses against Streptococcus pneumoniae in the lung. METHODS: We recruited 30 HIV-uninfected healthy controls, 23 asymptomatic HIV-infected adults not on ART, and 40 asymptomatic HIV-infected adults on ART (Median time 3.5yrs), in whom we collected bronchoalveolar lavage fluid. We measured alveolar CD4+ T cell immune responses following stimulation with pneumococcal cell culture supernatant using flow cytometry-based intracellular cytokine staining. RESULTS: We found that the proportion of alveolar CD4+ T cells producing IL-17A following stimulation with pneumococcal cell culture supernatant (CCS) was similar between HIV-uninfected controls and ART-naive HIV-infected adults (0.10% vs. 0.14%; p = 0.9273). In contrast, the proportion and relative absolute counts of CD4+ T cells producing IL-17A in response to pneumococcal CCS were higher in ART-treated HIV-infected adults compared HIV-uninfected controls (0.22% vs. 0.10%, p = 0.0166; 5420 vs. 1902 cells/100 ml BAL fluid; p = 0.0519). The increase in relative absolute numbers of IL-17A-producing alveolar CD4+ T cells in ART-treated individuals was not correlated with the peripheral blood CD4+ T cell count (r=-0.1876, p = 0.1785). CONCLUSION: Alveolar Th17 responses against S. pneumoniae are preserved in HIV-infected adults. This suggests that there are other alternative mechanisms that are altered in HIV-infected individuals that render them more susceptible to pneumococcal pneumonia. PMID- 29197601 TI - Ectopic Expression of PCSK9 by Smooth Muscle Cells Contributes to Aortic Dissection. AB - BACKGROUND: Acute aortic dissection (AAD) is a common disease among the elderly. Although several risk factors of AAD have been reported, the molecular mechanism underlying AAD development remains to be elucidated. Proprotein convertase subtilisin/kexin type 9 (PCSK9) increases low-density lipoprotein cholesterol levels in blood by preventing its clearance. Therefore, PCSK9 inhibition is a promising therapeutic approach to treat cardiovascular diseases (CVDs). The objective of this study was to elucidate the role of PCSK9 in the pathogenesis of AAD. METHODS: We used fluorescence immunohistochemistry to assess PCSK9 expression in aortic tissues resected from 10 AAD patients and in the normal aorta from 5 autopsy samples as well as in spontaneously hyperlipidemic apolipoprotein E-deficient mice used as an experimental AD model. RESULTS: We revealed a characteristic distribution pattern of PCSK9 in atherosclerotic plaques and the degenerated tunica media in AAD tissues, which was rarely observed in normal aortic tissues. Furthermore, PCSK9 was notably expressed around calcification areas formed by vascular smooth muscle cells, especially those of the synthetic phenotype. The results obtained in the animal model were consistent with PCSK9 expression in AAD tissues. CONCLUSIONS: Our findings suggest that PCSK9 overexpression in the aorta may promote AAD. This study adds to the growing body of evidence supporting the use of PCSK9 inhibitors for the management of CVDs. PMID- 29197602 TI - Continuous Flow Perfused Cadaver Model for Endovascular Training, Research, and Development. AB - BACKGROUND: Endovascular simulation employing computer, animal, and static models are common and useful adjuncts for teaching endovascular procedures and developing novel, complex endovascular techniques. Unfortunately, these models lack realistic haptic feedback and thus do not faithfully replicate many of the technical challenges associated with clinical endovascular procedures (e.g., arterial calcification, rigidity, and stenosis). We sought to develop a realistic and reproducible perfused cadaver model for endovascular training, device development, and research. METHODS: Fresh frozen, elderly (age 50-80 years) male cadavers were thawed and prepared for open dissection. The entire arterial tree (ascending aorta to femoral arteries) was dissected free and major branch vessels exposed. Sheaths were placed to allow outflow from selected vessels. A Dacron conduit was sewn to the ascending aorta to generate arterial inflow, which was provided by a centrifugal pump. Aortic aneurysms were created in the descending thoracic and abdominal aorta. Digital subtraction arteriography and various endovascular interventions were performed, including stent grafts and EndoAnchors deployment. RESULTS: Continuous antegrade flow was achieved in the thoracic, abdominal, iliac, and femoral segments. Open and percutaneous access at the femoral region was obtained with realistic back-bleeding and tactile feedback. Adequate, fluoroscopically documented flow was observed in both cannulated major and noncannulated smaller branches. We performed angiography with standard techniques via a pigtail catheter and contrast injector throughout the arterial system. Abdominal and thoracic endografts were deployed with appropriate angiographic guidance and realistic haptic feedback for both guidewire and stent grafts. Additional applications, including selective cannulation, aorto-iliac occlusive disease interventions, and anchor placement, were also successfully simulated. Finally, the model was used as a platform to test investigational devices. CONCLUSIONS: Our pressurized cadaver flow model successfully replicated multiple aspects of advanced endovascular procedures with haptic feedback. This novel human cadaver model allows for training and device development under clinically realistic conditions. PMID- 29197603 TI - A Reliable Mouse Model of Hind limb Gangrene. AB - BACKGROUND: Lack of a reliable hind limb gangrene animal model limits preclinical studies of gangrene, a severe form of critical limb ischemia. We develop a novel mouse hind limb gangrene model to facilitate translational studies. METHODS: BALB/c, FVB, and C57BL/6 mice underwent femoral artery ligation (FAL) with or without administration of NG-nitro-L-arginine methyl ester (L-NAME), an endothelial nitric oxide synthase inhibitor. Gangrene was assessed using standardized ischemia scores ranging from 0 (no gangrene) to 12 (forefoot gangrene). Laser Doppler imaging (LDI) and DiI perfusion quantified hind limb reperfusion postoperatively. RESULTS: BALB/c develops gangrene with FAL-only (n = 11/11, 100% gangrene incidence), showing mean limb ischemia score of 12 on postoperative days (PODs) 7 and 14 with LDI ranging from 0.08 to 0.12 on respective PODs. Most FVB did not develop gangrene with FAL-only (n = 3/9, 33% gangrene incidence) but with FAL and L-NAME (n = 9/9, 100% gangrene incidence). Mean limb ischemia scores for FVB undergoing FAL with L-NAME were significantly higher than for FVB receiving FAL-only. LDI score and capillary density by POD 28 were significantly lower in FVB undergoing FAL with L-NAME. C57BL/6 did not develop gangrene with FAL-only or FAL and L-NAME. CONCLUSIONS: Reproducible murine gangrene models may elucidate molecular mechanisms for gangrene development, facilitating therapeutic intervention. PMID- 29197604 TI - Atherectomy-Associated Complications in the Southern California Vascular Outcomes Improvement Collaborative. AB - BACKGROUND: Atherectomy has become an increasingly utilized modality for the endovascular treatment of peripheral arterial occlusive disease. The objective of this study was to determine the incidence and risk factors for atherectomy associated complications. METHODS: A retrospective review was performed for all atherectomy procedures performed between January 2011 and December 2015 in the Southern California Vascular Outcomes Improvement Collaborative. Atherectomy was defined as laser, orbital, or excisional atherectomy. Complications were dissection, perforation, and distal embolization. RESULTS: Seven hundred twenty nine atherectomy procedures were performed at 7 institutions by 27 practitioners. The mean age was 73 years with 415 (57%) males. Four hundred nineteen (57%) were diabetic, 673 (92%) hypertensive, 457 (63%) smokers, and 244 (34%) had coronary artery disease. Dissection occurred in 51 (7%) procedures, embolization in 23 (3.1%), and perforation in 12 (1.6%). The mean number of lesions treated per artery was the same at 1.6 in patients with any complication and no complication (P = 0.77). The total occluded length was 7.4 cm for complications versus 7.2 cm for no complication (P = 0.73). The total treated length was 12.9 cm for complications versus 11.3 cm for no complication (P = 0.03). The incidence of complications for Trans-Atlantic Inter-Society Consensus (TASC) C/D lesions were 13% compared to 10% for TASC A/B lesions (P = 0.05). The incidence of complications in superficial femoral/popliteal lesions was 12.9% vs. 10.4% in tibial lesions (P = 0.13). In multivariable analysis, treatment length was associated with a small increased risk of complication (odds ratio = 1.02, 95% confidence interval = 1.0-1.04). CONCLUSIONS: Increased treatment length is associated with an increased risk of atherectomy-associated complications. Demographic factors and comorbidities were not predictors of complications. PMID- 29197605 TI - Sustained Thromboresistant Bioactivity with Reduced Intimal Hyperplasia of Heparin-Bonded Polytetrafluoroethylene Propaten Graft in a Chronic Canine Femoral Artery Bypass Model. AB - BACKGROUND: Bypass graft thrombosis remains a significant mode of failure in prosthetic graft revascularization. The purpose of this investigation was to evaluate the long-term thromboresistant effect of heparin-bonded expanded polytetrafluoroethylene (ePTFE) graft using Carmeda BioActive Surface technology in a canine model. METHODS: Bilateral femorofemoral artery bypass grafts with ePTFE grafts were performed in 25 adult grayhound dogs. In each animal, a heparin bonded ePTFE graft (Propaten, WL Gore) was placed on one side, whereas a control nonheparin graft was placed on the contralateral side. The graft patency was assessed at 1, 6, 12, 18, and 24 months (n = 5 per group) following the bypass. Heparin bioactivity of the graft material was analyzed. The effect of intimal hyperplasia was also assessed. RESULTS: All bypass grafts were patent at 1 month. Significantly greater patency rates were noted in the Propaten group compared to the control group at 12, 18, and 24 months, which were 84%, 80%, and 80% vs. 55%, 35%, and 20%, respectively (P < 0.02). There was a significant reduction in the anastomotic neointimal area and neointimal cell proliferation in Propaten grafts compared with control grafts at all groups between 6 and 24 months (P < 0.05). Heparin bioactivity as measured by antithrombin binding assay was demonstrated in the Propaten graft between 1 and 24 months. Mean heparin activities on Propaten grafts ranged from 26.3 +/- 6.4 pmol/cm2 to 18.4 +/- 8.7 pmol/cm2 between 1 and 24 months, which were significantly greater than the control group (P < 0.001). Differences between mean heparin activities of explanted Propaten graft samples at the various time points were nonsignificant (P > 0.05). CONCLUSIONS: Heparin bonded ePTFE graft provides a thromboresistant surface and reduced anastomotic intimal hyperplasia at 2 years. The stable heparin bioactivity of the Propaten graft confers an advantage in long-term graft patency. PMID- 29197606 TI - Elevated Plasma Levels of LDL Cholesterol Promote Dissecting Thoracic Aortic Aneurysms in Angiotensin II-Induced Mice. AB - BACKGROUND: Plasma low-density lipoprotein (LDL) cholesterol is implicated in abdominal aorta (AA) and aortic dissection (AD); however, its role in the pathogenesis of AA and AD, a disease with a high mortality rate, is unknown. The existing animal models such as apolipoprotein E-deficient (Apoe-/-) mice cannot reproduce all the conditions of AA/AD, including elevated LDL-cholesterol levels and spontaneous atheroma formation; therefore, a more reliable in vivo model is required. Here, we analyzed angiotensin II (Ang II)-induced mice with combined deficiency of the LDL receptor and the catalytic component of the apolipoprotein B-edisome complex (Ldlr-/-/Apobec1-/- [WKO]) to understand AA formation and AD occurrence in relation to plasma lipid composition. METHODS: AAs and ADs were created in 18- to 22- week-old male Apoe-/- and Ldlr-/-/Apobec1-/- mice by Ang II infusion. Immunostaining allowed assessment of smooth muscle cells and mural monocytes/macrophages. RESULTS: Ldlr-/-/Apobec1-/- mice had elevated LDL cholesterol levels characteristic for human type IIa hyperlipidemia, resulting in atherogenesis, which promoted mortality, AA formation, and AD development. Interestingly, variations in the distribution of atheromas and inflammatory sites between Apoe-/- and Ldlr-/-/Apobec1-/- mice depending on lipid profiles resulted in differences in AA formation and AD occurrence in the thoracic aorta. CONCLUSIONS: Our results indicate the presence of a pathogenic pathway involving serum lipid composition that plays a key role in AA formation and AD occurrence in Ang II-induced mice. PMID- 29197607 TI - Inflammatory Response Modulation through a PPARgamma Agonist during Surgically Induced Visceral Ischemia in an Animal Model. AB - BACKGROUND: Ischemia/reperfusion (I/R) injury represents one of the most severe complications in vascular surgery where cross-clamping of the aorta and subsequent visceral ischemia are a recurrent issue. The literature describes a family of nuclear receptors, that is, peroxisome proliferator-activated receptors (PPARs), in particular PPARgamma isoform, which are important modulators of vascular inflammation resulting from I/R injury. The aim of our study is to evaluate how PPARgamma agonist administration could reduce local and systemic inflammatory response after I/R injury during aortic supraceliac clamping in animal model. METHODS: Our model includes 16 rats divided as follows: 8 rats in the placebo control group (PlacG) were operated on without having been administered of any drugs during the preoperative period, whereas the 8 rats in the pioglitazone group (PioG) were pretreated with pioglitazone. Renal and visceral ischemias were induced in the rats by supraceliac aortic clamping. Rats were sacrificed after surgery, and then, we collected blood samples to measure serum levels of interleukin-6 (IL-6) and tumor necrosis factor alpha (TNFalpha) and one of the kidneys and a segment of the liver to perform histological analysis. RESULTS: Considering both cytokines in the PioG, there has been a negative trend in serum concentrations, whereas in the PlacG, we observed an increasing trend. The high standard deviation observed in our study is mainly due to the small population of the cohort. Histologic examination of the kidney showed more severe damage in the placebo group as compared to the PioG with more evident differences in tubular and tubulointerstitial scores. CONCLUSIONS: Our observations show that administering pioglitazone can partially reduce secondary inflammatory response in the ischemic insult especially in endothelial and perivascular tissues. PMID- 29197608 TI - Use of Double-Barrel Gore Excluder Bifurcated Endografts for Renal Artery Incorporation in an Urgent Endovascular Repair of a Thoracoabdominal Aortic Aneurysm. AB - Total endovascular repair of a thoracoabdominal aortic aneurysm (TAAA) in an urgent setting requires an advanced endovascular skill set and an innovative approach. We describe a novel technique of treating a symptomatic Crawford extent 4 TAAA with a combination of multilayered parallel endografting and double-barrel Gore Excluder bifurcated endografts to achieve complete aneurysm exclusion with visceral and bilateral renal artery incorporation. A 75-year-old male presented with a symptomatic 10 cm Crawford extent 4 TAAA. Severe medical comorbidities, including chronic obstructive lung disease and cardiac arrhythmia, as well as prior open infrarenal aortic aneurysm repair made him high risk for an urgent re do open repair. His previous open infrarenal aortic replacement created a short distance between the lowest renal artery and the flow divider of the aortic graft, which posed a challenge in using a bifurcated aortic endograft as a distal component of the previously described multilayered parallel endografting. Therefore, celiac and superior mesenteric arteries were treated with a multilayered parallel grafting configuration, whereas bilateral renal arteries were incorporated using side-by-side bifurcated modular stent grafts in double barrel fashion. Contralateral gates served as cuffs for renal artery branch stent grafts, and ipsilateral limbs were deployed within the common iliac arteries. The patient recovered well and was discharged 3 days after repair. Follow-up imaging at 1 month demonstrated patent celiac, superior mesenteric, and bilateral renal artery flow, with no endoleak and stable aneurysm sac. The patient is doing well clinically 1 year after the operation. PMID- 29197609 TI - Comparison of 2 Sample Processing Methods and 9 Commercial Immunoassays for the Detection of Interleukin-1alpha in the Serum of Patients with Abdominal Aortic Aneurysm. AB - BACKGROUND: For a cytokine to have a role as a clinically useful biomarker, it must be measureable in a practical, reliable, and reproducible manner. Furthermore, assays from different manufacturers should produce comparable results. The aim of this paper was to examine the effect of 2 sample processing methodologies and compare 9 commercially available immunoassays for their measurement of serum interleukin (IL)-1alpha in patients with abdominal aortic aneurysm. METHODS: Two sample processing methodologies and 9 manufacturers' immunoassays were compared. Each immunoassay was also tested for detection of both IL-1alpha isoforms. RESULTS: A positive signal for IL-1alpha was found in all serum samples, in all immunoassays, using both processing methods. In the majority, titer concentrations were unquantifiable with values below manufacturers' detectable range. Variability in titer concentrations was seen across all immunoassays. With the exception of 1 immunoassay, all were able to detect both IL-1alpha isoforms. CONCLUSIONS: Researchers wishing to measure serum cytokines levels should be aware that differences in sample processing methods and manufacturers' immunoassays can affect the results. This may result in misleading conclusions being drawn about biological processes underpinning a wide range of inflammatory diseases. PMID- 29197610 TI - Thromboembolic Risk of Endovascular Intervention for Lower Extremity Deep Venous Thrombosis. AB - BACKGROUND: This study evaluated the risk of thromboembolism during endovascular interventions in patients with symptomatic lower extremity deep vein thrombosis (DVT) METHODS: Clinical records of all patients who underwent endovascular interventions for symptomatic lower extremity DVT from 2001 to 2017 were retrospectively analyzed using a prospectively maintained database. Only patients who received an inferior vena cava (IVC) filter were included in the analysis. Trapped intrafilter thrombus was assessed for procedure-related thromboembolism. Clinical outcomes of thrombus management and thromboembolism risk were analyzed. RESULTS: A total 172 patients (mean age 57.4 years, 98 females) who underwent 174 endovascular DVT interventions were included in the analysis. Treatment strategies included thrombolytic therapy (64%), mechanical thrombectomy (n = 86%), pharmacomechanical thrombolysis (51%), balloon angioplasty (98%), and stent placement (28%). Thrombectomy device used included AngioJet (56%), Trellis (19%), and Aspire (11%). Trapped IVC filter thrombus was identified in 58 patients (38%) based on the IVC venogram. No patient developed clinically evident pulmonary embolism (PE). IVC filter retrieval was performed in 98 patients (56%, mean 11.8 months after implantation). Multivariate analysis showed that iliac vein occlusion (P = 0.04) was predictive for procedure-related thromboembolism. CONCLUSIONS: Iliac vein thrombotic occlusion is associated with an increased thromboembolic risk in DVT intervention. Retrievable IVC filter should be considered when performing percutaneous thrombectomy in patients with iliac venous occlusion to prevent PE. PMID- 29197613 TI - Neonatal Arch Reconstruction: Guiding Principles, Some Misguided Ones, and a Few More That Don't Matter. PMID- 29197611 TI - Overexpression of Angiopoietin-1 Potentiates Endothelial Progenitor Cells for the Treatment of Aneurysm. AB - BACKGROUND: To investigate whether angiopoietin-1 (Ang-1) could regulate the endothelial progenitor cells (EPCs) survival and the effect of accelerating intra aneurysmal organization and occlusion of the aneurysm neck. METHODS: EPCs were isolated from Wistar rats. EPCs were cultured and transfected with lentivirus-Ang 1-endothelial progenitor cells (Ang-1-EPCs) and lentivirus-NC-endothelial progenitor cells (NC-EPCs). The effects of Ang-1 on viability and functioning of EPCs were explored via tube formation, migration, and MTT (3-[4,5 dimethylthiazolyl-2]-2,5-diphenyltetrazolium bromide) assays. Eighteen Wistar rats were randomly allocated into 3 groups. Eighteen bare coils were inserted into the ligated external carotid artery (ECA) sacs of rats. The ECA sacs were removed 2 weeks after the coils were implanted and examined by histology assay. RESULTS: Ang-1 significantly promoted EPCs tube formation, migration, and proliferation ability in vitro. Histology analyses revealed that the organized areas in the ECA sacs in the Ang-1-EPCs group are higher than NC-EPCs group and control group at 2 weeks. Immunofluorescence revealed that organized tissues were characterized by an accumulation of cells positive for alpha-smooth muscle actin positive cells in aneurysm sacs. CONCLUSIONS: Overexpression of Ang-1 enhanced the tube formation, migration, and proliferation ability of EPCs. Ang-1 gene modified EPCs accelerated organization within the aneurysms and occlusion of aneurysm neck. Transplantation of Ang-1-transfected EPCs may be a new method for the treatment of aneurysm. PMID- 29197612 TI - Preoperative Cardiac Stress Testing in the Southern California Vascular Outcomes Improvement Collaborative. AB - BACKGROUND: The objective of this study was to examine the use of preoperative cardiac stress testing (PCST) in the Southern California Vascular Outcomes Improvement Collaborative (So Cal VOICe). METHODS: A retrospective review was performed on data in all modules of the So Cal VOICe from September 2012 through May 2016. PCST was defined as stress echocardiogram or nuclear stress test. A new postoperative myocardial infarction (MI) was defined as troponin elevation and/or electrocardiogram/imaging changes with or without ischemic symptoms. Only elective cases in patients with asymptomatic cardiac status were included in the study. RESULTS: During the study period, 3,063 procedures meeting the inclusion criteria were performed in 7 registries: carotid endarterectomy (CEA), carotid artery stent, thoracic endovascular aneurysm repair, infrainguinal bypass (Infra), endovascular aneurysm repair (EVAR), suprainguinal bypass (Supra), and open abdominal aortic aneurysm repair (OAAA). PCST varied across registries from 17% in PVI to 62% in OAAA. PCST in CEA varied across 9 institutions from 10% to 79%. PCST in EVAR varied across 7 institutions from 14% to 83%. PCST in Infra varied across 4 institutions from 10% to 57%. Of the 12 patients across all registries who had a new MI, 6 had PCST, one of which was abnormal. CONCLUSIONS: The incidence of PCST varies widely across registries and institutions in the So Cal VOICe. Despite the wide variation, the incidence of new postoperative MI is exceptionally low. Further studies should evaluate the cost-effectiveness of the PCST practices and future quality improvement efforts should focus on standardization of indications for PCST. PMID- 29197614 TI - An anatomical and physiological basis for the cardiovascular autonomic nervous system consequences of sport-related brain injury. AB - Concussion is defined as a complex pathophysiological process affecting the brain that is induced by the application or transmission of traumatic biomechanical forces to the head. The result of the impact is the onset of transient symptoms that may be experienced for approximately 2weeks in most individuals. However, in some individuals, symptoms may not resolve and persist for a protracted period and a chronic injury ensues. Concussion symptoms are generally characterized by their emergence through changes in affect, cognition, or multi-sensory processes including the visual and vestibular systems. An emerging consequence of concussion is the presence of cardiovascular autonomic nervous system dysfunction that is most apparent through hemodynamic perturbations and provocations. Further interrogation of data that are derived from continuous digital electrocardiograms and/or beat-to-beat blood pressure monitoring often reveal an imbalance of parasympathetic or sympathetic nervous system activity during a provocation after an injury. The disturbance is often greatest early after injury and a resolution of the dysfunction occurs in parallel with other symptoms. The possibility exists that the disturbance may remain if the concussion does not resolve. Unfortunately, there is little evidence in humans to support the etiology for the emergence of this post-injury dysfunction. As such, evidence from experimental models of traumatic brain injury and casual observations from human studies of concussion implicate a transient abnormality of the anatomical structures and functions of the cardiovascular autonomic nervous system. The purpose of this review article is to provide a mechanistic narrative of multi-disciplinary evidence to support the anatomical and physiological basis of cardiovascular autonomic nervous system dysfunction after concussion. The review article will identify the anatomical structures of the autonomic nervous system and propose a theoretical framework to demonstrate the potential effects of concussive head trauma on corresponding outcome measurements. Evidence from experimental models will be used to describe abnormal cellular functions and provide a hypothetical mechanistic basis for the respective responses of the anatomical structures to concussive head trauma. When available, example observations from the human concussion literature will be presented to demonstrate the effects of concussive head trauma that may be related to anomalous activity in the respective anatomical structures of the autonomic nervous system. PMID- 29197615 TI - Interplay between the lung microbiome and lung cancer. AB - The human microbiome confers benefits or disease susceptibility to the human body through multiple pathways. Disruption of the symbiotic balance of the human microbiome is commonly found in systematic diseases such as diabetes, obesity, and chronic gastric diseases. Emerging evidence has suggested that dysbiosis of the microbiota may also play vital roles in carcinogenesis at multiple levels, e.g., by affecting metabolic, inflammatory, or immune pathways. Although the impact of the gut microbiome on the digestive cancer has been widely explored, few studies have investigated the interplay between the microbiome and lung cancer. Some recent studies have shown that certain microbes and microbiota dysbiosis are correlated with development of lung cancer. In this mini-review, we briefly summarize current research findings describing the relationship between the lung microbiome and lung cancer. We further discuss the potential mechanisms through which the lung microbiome may play a role in lung carcinogenesis and impact lung cancer treatment. A better knowledge of the interplay between the lung microbiome and lung cancer may promote the development of innovative strategies for early prevention and personalized treatment in lung cancer. PMID- 29197616 TI - The effect of monitor raster latency on VEPs, ERPs and Brain-Computer Interface performance. AB - BACKGROUND: Visual neuroscience experiments and Brain-Computer Interface (BCI) control often require strict timings in a millisecond scale. As most experiments are performed using a personal computer (PC), the latencies that are introduced by the setup should be taken into account and be corrected. As a standard computer monitor uses a rastering to update each line of the image sequentially, this causes a monitor raster latency which depends on the position, on the monitor and the refresh rate. NEW METHOD: We technically measured the raster latencies of different monitors and present the effects on visual evoked potentials (VEPs) and event-related potentials (ERPs). Additionally we present a method for correcting the monitor raster latency and analyzed the performance difference of a code-modulated VEP BCI speller by correcting the latency. COMPARISON WITH EXISTING METHODS: There are currently no other methods validating the effects of monitor raster latency on VEPs and ERPs. RESULTS: The timings of VEPs and ERPs are directly affected by the raster latency. Furthermore, correcting the raster latency resulted in a significant reduction of the target prediction error from 7.98% to 4.61% and also in a more reliable classification of targets by significantly increasing the distance between the most probable and the second most probable target by 18.23%. CONCLUSIONS: The monitor raster latency affects the timings of VEPs and ERPs, and correcting resulted in a significant error reduction of 42.23%. It is recommend to correct the raster latency for an increased BCI performance and methodical correctness. PMID- 29197617 TI - 3-D motion capture for long-term tracking of spontaneous locomotor behaviors and circadian sleep/wake rhythms in mouse. AB - BACKGROUND: Locomotor activity provides an index of an animal's behavioral state. Here, we report a reliable and cost-effective method that allows long-term (days to months) simultaneous tracking of locomotion in mouse cohorts (here consisting of 24 animals). NEW METHOD: The technique is based on a motion capture system used mainly for human movement study. A reflective marker was placed on the head of each mouse using a surgical procedure and labeled animals were returned to their individual home cages. Camera-recorded data of marker displacement resulting from locomotor movements were then analyzed with custom built software. To avoid any data loss, data files were saved every hour and automatically concatenated. Long-term recordings (up to 3 months) with high spatial (<1mm) and temporal (up to 100Hz) resolution of animal movements were obtained. RESULTS: The system was validated by analyzing the spontaneous activity of mice from post natal day 30-90. Daily motor activity increased up to 70days in correspondence with maturational changes in locomotor performance. The recorded actigrams also permitted analysis of circadian and ultradian rhythms in cohort sleep/wake behavior. COMPARISON WITH EXISTING METHOD(S): In contrast to traditional session based experimental approaches, our technique allows locomotor activity to be recorded with minimal experimenter manipulation, thereby minimizing animal stress. CONCLUSIONS: Our method enables the continuous long-term (up to several months) monitoring of tens of animals, generating manageable amounts of data at minimal costs without requiring individual dedicated devices. The actigraphic data collected allows circadian and ultradian analysis of sleep/wake behaviors to be performed. PMID- 29197618 TI - Chlorella sp. transgenic with Scy-hepc enhancing the survival of Sparus macrocephalus and hybrid grouper challenged with Aeromonas hydrophila. AB - Two marine antimicrobial peptides (AMPs), PC-hepc from large yellow croaker (Pseudosciaena crocea) and scygonadin from mud crab (Scylla serrata), are potently active against specific bacteria and thus they could be used as substitutes for antibiotics in aquaculture. However, how to utilize the AMPs feasibly for marine cultured animals has been so far confused. In our study, a 510 bp of the Scy-hepc sequence was cloned into pMDC85 expression vector, which was then electroporated into Chlorella sp., and thus a transgenic Chlorella, in which the Scy-hepc gene was effectively expressed, was developed. The Scy-hepc fusion protein was successfully expressed in Chlorella sp. and it showed obvious bactericidal activity. In addition, the in vivo efficacy of the transgenic Chlorella was evaluated using Sparus macrocephalus and the hybrid Epinephelus fuscoguttatus (?) * Epinephelus lanceolatus (?). Results showed that the survival rate of S. macrocephalus fed with transgenic Chlorella (80 +/- 10% after 72 h) was significantly higher than that of fish fed with the same dosage of wild-type Chlorella (33.33 +/- 11.55% after 72 h). Similarly, results showed that the survival rate of the hybrid grouper fed with transgenic Chlorella (55 +/- 5% after 36 h) was much higher than that of fish fed with the same dosage of wild type Chlorella (25 +/- 5% after 36 h). Therefore, in vitro and in vivo results indicated that the constructed transgenic Chlorella with the marine AMPs Scy-hepc could exert effective protection for fish against the Aeromonas hydrophila infection, providing an encouraging prospect for the expected use of transgenic Chlorella in aquaculture in future. PMID- 29197619 TI - Harnessing CRISPR/Cas systems for programmable transcriptional and post transcriptional regulation. AB - Genome editing has enabled broad advances and novel approaches in studies of gene function and structure; now, emerging methods aim to precisely engineer post transcriptional processes. Developing precise, efficient molecular tools to alter the transcriptome holds great promise for biotechnology and synthetic biology applications. Different approaches have been employed for targeted degradation of RNA species in eukaryotes, but they lack programmability and versatility, thereby limiting their utility for diverse applications. The CRISPR/Cas9 system has been harnessed for genome editing in many eukaryotic species and, using a catalytically inactive Cas9 variant, the CRISPR/dCas9 system has been repurposed for transcriptional regulation. Recent studies have used other CRISPR/Cas systems for targeted RNA degradation and RNA-based manipulations. For example, Cas13a, a Type VI-A endonuclease, has been identified as an RNA-guided RNA ribonuclease and used for manipulation of RNA. Here, we discuss different modalities for targeted RNA interference with an emphasis on the potential applications of CRISPR/Cas systems as programmable transcriptional regulators for broad uses, including functional biology, biotechnology, and synthetic biology applications. PMID- 29197621 TI - Inhibition of histone deacetylase 6 (HDAC6) protects against vincristine-induced peripheral neuropathies and inhibits tumor growth. AB - As cancer is becoming more and more a chronic disease, a large proportion of patients is confronted with devastating side effects of certain anti-cancer drugs. The most common neurological complications are painful peripheral neuropathies. Chemotherapeutics that interfere with microtubules, including plant derived vinca-alkaloids such as vincristine, can cause these chemotherapy-induced peripheral neuropathies (CIPN). Available treatments focus on symptom alleviation and pain reduction rather than prevention of the neuropathy. The aim of this study was to investigate the potential of specific histone deacetylase 6 (HDAC6) inhibitors as a preventive therapy for CIPN using multiple rodent models for vincristine-induced peripheral neuropathies (VIPN). HDAC6 inhibition increased the levels of acetylated alpha-tubulin in tissues of rodents undergoing vincristine-based chemotherapy, which correlates to a reduced severity of the neurological symptoms, both at the electrophysiological and the behavioral level. Mechanistically, disturbances in axonal transport of mitochondria is considered as an important contributing factor in the pathophysiology of VIPN. As vincristine interferes with the polymerization of microtubules, we investigated whether disturbances in axonal transport could contribute to VIPN. We observed that increasing alpha-tubulin acetylation through HDAC6 inhibition restores vincristine-induced defects of axonal transport in cultured dorsal root ganglion neurons. Finally, we assured that HDAC6-inhibition offers neuroprotection without interfering with the anti-cancer efficacy of vincristine using a mouse model for acute lymphoblastic leukemia. Taken together, our results emphasize the therapeutic potential of HDAC6 inhibitors with beneficial effects both on vincristine-induced neurotoxicity, as well as on tumor proliferation. PMID- 29197622 TI - Protective effects of dioscin against fructose-induced renal damage via adjusting Sirt3-mediated oxidative stress, fibrosis, lipid metabolism and inflammation. AB - In the present work, the effects and possible mechanisms of dioscin, one natural product from the famous vegetable Dioscoreae rhizoma (Shanyao in Chinese), against high fructose-induced renal injury in rats were tested. The results showed that dioscin significantly restored fructose-induced renal injury by decreasing the levels of Cr, BUN, and rehabilitating histopathological changes. In addition, dioscin markedly adjusted the levels of MDA, SOD and GSH-Px, reduced ROS level in renal tissue, and decreased the levels of TG, FFA, alpha-SMA and COL1A. Mechanistic study showed that dioscin significantly up-regulated the expression levels of Sirt3, SOD2, and then suppressed inflammation by decreasing the expression levels of NF-kB, HMGB1, c-Jun, c-Fos, COX2, TNF-alpha, IL-1beta and IL-6. Furthermore, dioscin-caused high levels of Sirt3 and SOD2 attenuated oxidative stress by regulating the expression levels of Nrf2, GST, Keap1, regulated lipid metabolism by controlling the expression levels of SREBP-1c, SCD 1, FASn, ACC, CPT1, and adjusted TGF-beta1/Smad signal to inhibit renal fibrosis. In summary, dioscin showed protective effects against fructose-induced renal damage via adjusting Sirt3-mediated oxidative stress, renal fibrosis, lipid metabolism and inflammation, which should be considered as one candidate to treat renal injury in the future. We also suggest that the patients with renal injury can take more Shanyao for the therapy and treatment. PMID- 29197620 TI - Role of the Fyn-PKCdelta signaling in SE-induced neuroinflammation and epileptogenesis in experimental models of temporal lobe epilepsy. AB - Status epilepticus (SE) induces neuroinflammation and epileptogenesis, but the mechanisms are not yet fully delineated. The Fyn, a non-receptor Src family tyrosine kinase (SFK), and its immediate downstream target, PKCdelta are emerging as potential mediators of neuroinflammation. In order to first determine the role of Fyn kinase signaling in SE, we tested the efficacy of a SFK inhibitor, saracatinib (25mg/kg, oral) in C57BL/6J mouse kainate model of acute seizures. Saracatinib pretreatment dampened SE severity and completely prevented mortality. We further utilized fyn-/- and fyn+/+ mice (wildtype control for the fyn-/- mice on same genetic background), and the rat kainate model, treated with saracatinib post-SE, to validate the role of Fyn/SFK in SE and epileptogenesis. We observed significant reduction in SE severity, epileptiform spikes, and electrographic non convulsive seizures in fyn-/- mice when compared to fyn+/+ mice. Interestingly, significant reductions in phosphorylated pSrc-416 and PKCdelta (pPKCdelta-507) and naive PKCdelta were observed in fyn-/- mice as compared to fyn+/+ mice suggesting that PKCdelta signaling is a downstream mediator of Fyn in SE and epileptogenesis. Notably, fyn-/- mice also showed a reduction in key proinflammatory mediators TNF-alpha, IL-1beta, and iNOS mRNA expression; serum IL 6 and IL-12 levels; and nitro-oxidative stress markers such as 4-HNE, gp91phox, and 3-NT in the hippocampus. Immunohistochemistry revealed a significant increase in reactive microgliosis and neurodegeneration in the hippocampus and hilus of dentate gyrus in fyn+/+ mice in contrast to fyn-/- mice. Interestingly, we did not observe upregulation of Fyn in pyramidal neurons of the hippocampus during post-SE in fyn+/+ mice, but it was upregulated in hilar neurons of the dentate gyrus when compared to naive control. In reactive microglia, both Fyn and PKCdelta were persistently upregulated during post-SE suggesting that Fyn PKCdelta may drive neuroinflammation during epileptogenesis. Since disabling the Fyn kinase prior to SE, either by treating with saracatinib or fyn gene knockout, suppressed seizures and the subsequent epileptogenic events, we further tested whether Fyn/SFK inhibition during post-SE modifies epileptogenesis. Telemetry implanted, SE-induced, rats were treated with saracatinib and continuously monitored for a month. At 2h post-diazepam, the saracatinib (25mg/kg) or the vehicle was administered orally and repeated twice daily for first three days followed by a single dose/day for the next four days. The saracatinib post treatment prevented epileptogenesis in >50% of the rats and significantly reduced spontaneous seizures and epileptiform spikes in the rest (one animal did not respond) when compared to the vehicle treated group, which had >24 seizures in a month. Collectively, the findings suggest that Fyn/SFK is a potential mediator of epileptogenesis and a therapeutic target to prevent/treat seizures and epileptogenesis. PMID- 29197623 TI - Dual effects of sulfasalazine on rat sperm characteristics, spermatogenesis, and steroidogenesis in two experimental models. AB - There are reports of sulfasalazine (Salazosulfapyridine; SASP)-induced reproductive toxicity, but there it is not known whether the SASP molecule or its intestinal metabolites are responsible for this effect. Rats received SASP (150, 300, and 600mg/kg) for 60 consecutive days (in vivo). Additionally, epididymal sperm was isolated and incubated with SASP (10MUM-1600MUM) (in vitro). Markers of oxidative stress, mitochondrial function, and sperm functionality, along with testis histopathology as well as several steroidogenic genes and proteins, including steroidogenic acute regulatory (StAR) protein, cytochrome P450 side chain cleavage enzyme (P450scc; Cyp11a), 3beta-hydroxysteroid dehydrogenase (3beta-HSD), 17beta-hydroxysteroid dehydrogenase (17beta-HSD) were measured. SASP toxicity was evident as shown by severe testicular histopathological alterations, along with poor sperm parameters and increased markers of oxidative stress. Plasma testosterone level and steroidogenesis-related gene and protein (StAR, 3 beta-HSD, 17-beta-HSD) expressions, as well as mitochondrial membrane potential, were significantly decreased at high doses of SASP (in vivo). Interestingly, in vitro treatment of sperm with SASP not only caused no significant detrimental effect on rat sperm but also increased parameters of sperm functionality and decreased markers of oxidative stress. SASP had paradoxical actions on the rat sperm in these experimental models. The findings might be useful in understanding the mechanism(s) of SASP-induced reproductive toxicity. The present findings have opened a new molecular window into the relationship between disrupted steroidogenesis and mammalian reproduction indices and also are vital regarding clinical administration of SASP and human reproductive health. PMID- 29197624 TI - Intravascular hemolysis induced by phospholipases A2 from the venom of the Eastern coral snake, Micrurus fulvius: Functional profiles of hemolytic and non hemolytic isoforms. AB - A unique feature of the venom of Micrurus fulvius (Eastern coral snake) is its ability to induce severe intravascular hemolysis in particular species, such as dogs or mice. This effect was previously shown to be induced by distinct phospholipase A2 (PLA2) isoforms which cause direct hemolysis in vitro, an uncommon finding for such enzymes. The functional profiles of PLA2-17, a direct hemolytic enzyme, and PLA2-12, a co-existing venom isoform lacking such effect, were compared. The enzymes differed not only in their ability to cause intravascular hemolysis: PLA2-17 additionally displayed lethal, myotoxic, and anticoagulant actions, whereas PLA2-12 lacked these effects. PLA2-12 was much more active in hydrolyzing a monodisperse synthetic substrate than PLA2-17, but the catalytic activity of latter was notably higher on a micellar substrate, or towards pure phospholipid artificial monolayers under controlled lateral pressures. Interestingly, PLA2-17 could hydrolyze substrate at a pressure of 20 mN m-1, in contrast to PLA2-12 or the non-toxic pancreatic PLA2. This suggests important differences in the monolayer penetrating power, which could be related to differences in toxicity. Comparative examination of primary structures and predicted three-dimensional folding of PLA2-12 and PLA2-17, revealed that differences concentrate in their N-terminal and central regions, leading to variations of the surface properties at the membrane interacting interface. PLA2 17 presents a less basic interfacial surface than PLA2-12, but more bulky aromatic residues, which could be associated to its higher membrane-penetrating strength. Altogether, these structural and functional comparative observations suggest that the ability of PLA2s to penetrate substrate interfaces could be a major determinant of toxicity, perhaps more important than protein surface charge. PMID- 29197625 TI - Chemical warfare agents. Classes and targets. AB - Synthetic toxic chemicals (toxicants) and biological poisons (toxins) have been developed as chemical warfare agents in the last century. At the time of their initial consideration as chemical weapon, only restricted knowledge existed about their mechanisms of action. There exist two different types of acute toxic action: nonspecific cytotoxic mechanisms with multiple chemo-biological interactions versus specific mechanisms that tend to have just a single or a few target biomolecules. TRPV1- and TRPA-receptors are often involved as chemosensors that induce neurogenic inflammation. The present work briefly surveys classes and toxicologically relevant features of chemical warfare agents and describes mechanisms of toxic action. PMID- 29197626 TI - Microglia: Key players in neurodevelopment and neuronal plasticity. AB - Microglia are the primary innate immune cells in the CNS. Since their initial discovery and characterization, decades of research have revealed their unique roles not only in maintaining immune homeostasis, but also being indispensable to brain development and cognitive function. As such, microglia drive synaptogenesis, synaptic pruning, neurogenesis and neuronal activity. Microglia specific mutations are implicated in several neurodevelopmental disorders, and dysregulation of microglial function is strongly linked to several pathologies, including cognitive decline and Alzheimer's disease. Importantly, developmental insults can lead to long-term changes in microglial function that may compromise the ability of the adult brain to fight infections and process cognitive information. Adult lifestyle or injury can also lastingly influence microglial morphology and function. Here we highlight key research on microglia's role in neuronal plasticity across the lifespan. PMID- 29197627 TI - MiR-34a regulates mitochondrial content and fat ectopic deposition induced by resistin through the AMPK/PPARalpha pathway in HepG2 cells. AB - Resistin is an adipocyte-derived cytokine and was named for its role in the development of insulin resistance. Increased serum resistin levels are also associated with steatohepatitis and non-alcoholic fatty liver disease. In a previous study, resistin was observed to reduce mitochondrial content and upregulate miR-34a significantly in the liver. In this study, male C57BL/6 mice were injected with agomir-34a or control agomir, and HepG2 cells were transfected with miR-34a mimics or inhibitors to assess their role in resistin-induced fat deposition. The overexpression of miR-34a increased liver and HepG2 cell TAG content, decreased mitochondrial content, changed mitochondrial morphology and impaired mitochondrial function. In contrast, a miR-34a inhibitor significantly restored the TAG content and mitochondrial transmembrane potential. A study of transcriptional regulation revealed that C/EBPbeta is essential for upregulating miR-34a by resistin. Furthermore, miR-34a inhibited the PPARalpha signaling pathway by binding to sites in the 3'UTR of AdipoR2 genes and the AMPK pathway. Consequently, this increased the fat content and decreased the mitochondrial content in HepG2 cells. This paper reveals a novel mechanism for mitochondrial regulation, which suggests that normal mitochondrial content and function is crucial for lipid metabolism in the liver. PMID- 29197628 TI - Towards the application of precision medicine in Age-Related Macular Degeneration. AB - The review essentially describes genetic and non-genetic variables contributing to the onset and progression of exudative Age-related Macular Degeneration (AMD) in Italian population. In particular, AMD susceptibility within Italian population is contributed to by genetic variants, accounting for 23% of disease and non-genetic variants, accounting for 10% of AMD. Our data highlighted prominent differences concerning genetic and non-genetic contributors to AMD in our cohort with respect to worldwide populations. Among genetic variables, SNPs of CFH, ARMS2, IL-8, TIMP3, SLC16A8, RAD51B, VEGFA and COL8A1 were significantly associated with the risk of AMD in the Italian cohort. Surprisingly, other susceptibility variants described in European, American and Asiatic populations, did not reach the significance threshold in our cohort. As expected, advanced age, smoking and dietary habits were associated with the disease. In addition, we also describe a number of gene-gene and gene-phenotype interactions. In fact, AMD associated genes may be involved in the alteration of Bruch's membrane and induction of angiogenesis, contributing to exacerbate the damage caused by aging and environmental factors. Our review provides an overview of genetic and non genetic factors characterizing AMD susceptibility in Italian population, outlining the differences with respect to the worldwide populations. Altogether, these data reflect historical, geographic, demographic and lifestyle peculiarities of Italian population. The role of epigenetics, pharmacogenetics, comorbities and genetic counseling in the management of AMD patients have been described, in the perspective of the application of a "population-specific precision medicine" approach addressed to prevent AMD onset and improve patients' quality of life. PMID- 29197630 TI - Population pharmacokinetics of articaine with 1:200,000 epinephrine during third molar surgery and simulation of high-dose regimens. AB - BACKGROUND AND OBJECTIVES: Articaine is more and more used in third molar surgery under local anesthesia (LA). The objectives of this analysis were to characterize the pharmacokinetics of articaine for this type of surgery and to simulate dosing regimens. METHODS: Non-linear mixed-effects modeling conducted in Monolix 4.4.0 was used to describe articaine plasma concentration-time data from 20 patients. Monte Carlo simulations were then performed to evaluate the probability of cardiotoxic target attainment (PCTA) of various dosage regimens. RESULTS: Articaine concentration data were best described by a linear one-compartment model, with an additional depot compartment for submucosal route with a zero order transfer to central compartment. Age and gender were found to influence duration transfer (Tk0) and elimination rate constant (Ke), respectively. Simulated maximum recommended dose regimen (7mg/kg) had a PCTA of 0%. Simulated higher doses of 10mg/kg and 15mg/kg had a PCTA of 0% and about 1-4%, respectively. CONCLUSIONS: The model adequately described the articaine pharmacokinetics. This is the first PK model qualified for articaine administered by submucosal route. The simulations suggest that maximum recommended dose regimen is safe concerning the cardiotoxicity in healthy patients. PMID- 29197631 TI - Pulmonary drug delivery to older people. AB - Pulmonary diseases, such as asthma and chronic obstructive pulmonary disease (COPD), are common in older people. Treatment principles are well established in this group of patients; however, inadequate training and improper inhaler techniques often results in poor treatment outcomes. Healthcare professionals often do not have the required knowledge about the most common inhaler devices. Age-related conditions like cognitive ability and physical strength would also impact on the inhaler usage. Pharmacokinetics and pharmacodynamics may be affected by physiological changes, like impaired renal and hepatic functions and reduced lung functions. Adjusting and optimizing the inhaler device to the patient preferences, improvement of the drug formulation and inhalers, and using different adherence strategies might improve the treatment outcomes in elderly patients. PMID- 29197629 TI - Pharmacological modulation of hypoxia-induced respiratory neuroplasticity. AB - Hypoxia elicits complex cell signaling mechanisms in the respiratory control system that can produce long-lasting changes in respiratory motor output. In this article, we review experimental approaches used to elucidate signaling pathways associated with hypoxia, and summarize current hypotheses regarding the intracellular signaling pathways evoked by intermittent exposure to hypoxia. We review data showing that pharmacological treatments can enhance neuroplastic responses to hypoxia. Original data are included to show that pharmacological modulation of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) function can reveal a respiratory neuroplastic response to a single, brief hypoxic exposure in anesthetized mice. Coupling pharmacologic treatments with therapeutic hypoxia paradigms may have rehabilitative value following neurologic injury or during neuromuscular disease. Depending on prevailing conditions, pharmacologic treatments can enable hypoxia-induced expression of neuroplasticity and increased respiratory motor output, or potentially could synergistically interact with hypoxia to more robustly increase motor output. PMID- 29197633 TI - Spondyloarthritis features in zymosan-induced SKG mice. AB - OBJECTIVES: Spondyloarthritis (SpA) encompasses a group of disorders including ankylosing spondylitis, psoriatic arthritis, reactive arthritis, and enteropathic arthritis. SpA pathogenesis is still not well understood. Animal models are important for studying disease mechanisms and identifying new therapeutic agents. Recently, a beta-glucan-induced SKG mouse was used as an animal model for SpA. The aim of this study was to evaluate the clinical and molecular characteristics of a zymosan-induced SKG mouse. METHODS: Zymosan was injected intraperitoneally into SKG mice. Clinical arthritis scores were measured, and fluorine-18 fluorodeoxyglucose (18F-FDG) small-animal positron emission tomography/computed tomography (PET/CT) was performed to quantify joint inflammation. Histologic features of the joints, intestines, skin, and eyes were evaluated. Inflammatory cytokine and Wnt inhibitor expression was measured in mouse serum. RESULTS: Zymosan exposure triggered SpA-like diseases in SKG mice, including peripheral arthritis, spondylitis, dactylitis, enteritis, and psoriatic skin lesions. 18F FDG uptake was significantly higher in the zymosan-treated mice compared with controls. The expression of tumor necrosis factor alpha, interleukin (IL)-6, and Dickkopf-1 increased significantly, while IL-4 and sclerostin expression decreased significantly in zymosan-induced mice compared with control mice. CONCLUSIONS: Zymosan-induced SKG mice developed articular and extra-articular features as well as molecular changes that resembled those of human SpA. These findings suggest that the zymosan-induced SKG mouse is a good animal model to reflect the complex features of human SpA. PMID- 29197632 TI - Crosstalk between autophagy and oxidative stress regulates proteolysis in the diaphragm during mechanical ventilation. AB - Mechanical ventilation (MV) results in the rapid development of ventilator induced diaphragm dysfunction (VIDD). While the mechanisms responsible for VIDD are not fully understood, recent data reveal that prolonged MV activates autophagy in the diaphragm, which may occur as a result of increased cellular reactive oxygen species (ROS) production. Therefore, we tested the hypothesis that (1) accelerated autophagy is a key contributor to VIDD; and that (2) oxidative stress is required to increase the expression of autophagy genes in the diaphragm. Our findings reveal that targeted inhibition of autophagy in the rat diaphragm prevented MV-induced muscle atrophy and contractile dysfunction. Attenuation of VIDD in these animals occurred as a result of increased diaphragm concentration of the antioxidant catalase and reduced mitochondrial ROS emission, which corresponded to reductions in the activity of calpain and caspase-3. To determine if increased ROS production is required for the upregulation of autophagy biomarkers in the diaphragm, rats that were administered the mitochondrial-targeted peptide SS-31 during MV. Results from this study demonstrated that mitochondrial ROS production in the diaphragm during MV is required for the increased expression of key autophagy genes (i.e. LC3, Atg7, Atg12, Beclin1 and p62), as well as for increased activity of cathepsin L. Together, these data reveal that autophagy is required for VIDD, and that autophagy inhibition reduces MV-induced diaphragm ROS production and prevents a positive feedback loop whereby increased autophagy is stimulated by oxidative stress, resulting in further increases in ROS and autophagy. PMID- 29197634 TI - Promoting the consumption of dairy products for fracture prevention: A good value for money? PMID- 29197635 TI - Temporary fixation of limbs and pelvis. AB - "Urgent, complete, definitive" treatment still today seems to be an appropriate attitude in many trauma cases. There are, however, several situations in which emergency definitive fixation is not the optimal strategy for all cases of fracture. Temporary fixation has a role to play in the orthopedic "trauma damage control" design comprising successive steps, as applied in multiple trauma, multiple fracture, severe multi-tissue limb lesions and soft-tissue lesions of unpredictable progression. The aim of this study is to define the strategies, indications, principles and limitations of temporary fixation in limb and pelvis fracture. PMID- 29197636 TI - Osteochondritis dissecans of the knee. AB - Osteochondritis dissecans (OCD) of the knee is an idiopathic, focal, subchondral bone abnormality that can cause instability or detachment of a bone fragment and overlying articular cartilage, with subsequent progression to osteoarthritis. The diagnosis is usually made during adolescence. Mechanical factors play a major role in the pathophysiology of OCD. When the radiographic diagnosis is made early in a patient with open physes, healing can often be obtained simply by restricting sports activities. The degree of lesion instability can be assessed by magnetic resonance imaging. When the lesion remains unstable and the pain persists despite a period of rest, surgery is indicated. Arthroscopic exploration is always the first step. Drilling of the lesion produces excellent outcomes if the lesion is stable. Unstable lesions require fixation and, in some cases, bone grafting. Defects must be filled, depending on their surface area. Although many surgical techniques are available, the therapeutic indications are now standardized. PMID- 29197637 TI - Intrathecal anti-suprabasin antibodies in SLE, a cause of local concern? PMID- 29197638 TI - Robust Transcriptional Activation in Plants Using Multiplexed CRISPR-Act2.0 and mTALE-Act Systems. AB - User-friendly tools for robust transcriptional activation of endogenous genes are highly demanded in plants. We previously showed that a dCas9-VP64 system consisting of the deactivated CRISPR-associated protein 9 (dCas9) fused with four tandem repeats of the transcriptional activator VP16 (VP64) could be used for transcriptional activation of endogenous genes in plants. In this study, we developed a second generation of vector systems for enhanced transcriptional activation in plants. We tested multiple strategies for dCas9-based transcriptional activation, and found that simultaneous recruitment of VP64 by dCas9 and a modified guide RNA scaffold gRNA2.0 (designated CRISPR-Act2.0) yielded stronger transcriptional activation than the dCas9-VP64 system. Moreover, we developed a multiplex transcription activator-like effector activation (mTALE Act) system for simultaneous activation of up to four genes in plants. Our results suggest that mTALE-Act is even more effective than CRISPR-Act2.0 in most cases tested. In addition, we explored tissue-specific gene activation using positive feedback loops. Interestingly, our study revealed that certain endogenous genes are more amenable than others to transcriptional activation, and tightly regulated genes may cause target gene silencing when perturbed by activation probes. Hence, these new tools could be used to investigate gene regulatory networks and their control mechanisms. Assembly of multiplex CRISPR Act2.0 and mTALE-Act systems are both based on streamlined and PCR-independent Golden Gate and Gateway cloning strategies, which will facilitate transcriptional activation applications in both dicots and monocots. PMID- 29197639 TI - A promising natural product, pristimerin, results in cytotoxicity against breast cancer stem cells in vitro and xenografts in vivo through apoptosis and an incomplete autopaghy in breast cancer. AB - Several natural products have been suggested as effective agents for the treatment of cancer. Given the important role of CSCs (Cancer Stem Cells) in cancer, which is a trendy hypothesis, it is worth investigating the effects of pristimerin on CSCs as well as on the other malignant cells (MCF-7 and MDA-MB 231) of breast cancer. The anti-growth activity of pristimerin against MCF-7 and MCF-7s (cancer stem cell enriched population) cells was investigated by real time viability monitorization (xCELLigence System(r)) and ATP assay, respectively. Mode of cell death was evaluated using electron and fluorescence microscopies, western blotting (autophagy, apoptosis and ER-stress related markers) and flow cytometry (annexin-V staining, caspase 3/7 activity, BCL-2 and PI3K expressions). Pristimerin showed an anti-growth effect on cancer cells and cancer stem cells with IC50 values ranging at 0.38-1.75MUM. It inhibited sphere formation at relatively lower doses (<1.56MUM). Apoptosis was induced in MCF-7 and MCF-7s cells. In addition, extensive cytoplasmic vacuolation was observed, implying an incompleted autophagy as evidenced by the increase of autophagy-related proteins (p62 and LC3-II) with an unfolded protein response (UPR). Pristimerin inhibited the growth of MCF-7 and MDA-MB-231-originated xenografts in NOD.CB17-Prkdcscid/J mice. In mice, apoptosis was further confirmed by cleavage of PARP, activation of caspase 3 and/or 7 and TUNEL staining. Taken together, pristimerin shows cytotoxic activity on breast cancer both in vitro and in vivo. It seems to represent a robust promising agent for the treatment of breast cancer. Pristimerin's itself or synthetic novel derivatives should be taken into consideration for novel potent anticancer agent(s). PMID- 29197640 TI - Occurrence and profiles of halogenated phenols, polybrominated diphenyl ethers and hydroxylated polybrominated diphenyl ethers in the effluents of waste water treatment plants around Huang-Bo Sea, North China. AB - Halogenated organic pollutants (HOPs), as ubiquitous environment contaminants, have attracted increasing concerns due to the potential adverse health impacts on organisms and even humans. Waste water treatment plants (WWTPs) are one source of HOPs to the environment through their discharge of treated effluent. In this study, the presence and profiles of 6 halogenated phenols (HP), 17 polybrominated diphenyl ethers (PBDE) and 11 hydroxylated polybrominated diphenyl ethers (OH PBDE) were investigated in 12 WWTP effluent samples collected near Huang-Bo Sea in Dalian, China. These targeted organohalogen pollutants were found in all the effluent samples with the total concentrations of SigmaHPs, SigmaPBDEs and SigmaOH-PBDEs ranging from 77.2 to 168.5ng/L, from not-detected to 5.3ng/L and from 0.08 to 0.88ng/L, respectively. The most abundant congeners of HPs and PBDEs in the effluents were pentachlorophenol (PCP), BDE-47 and BDE-99, while for OH PBDEs, 6-OH-BDE-47 and 5-OH-BDE-47 were the most abundant. In addition, the statistical analysis showed that a significant (p<0.05) positive correlation was observed between BDE-47 and its metabolite 6-OH-BDE-47, indicating that PBDEs may be a source of OH-PBDEs detected in the effluents. PMID- 29197641 TI - Primary Care Providers' Use of a Child Psychiatry Telephone Support Program. AB - BACKGROUND: The Massachusetts Child Psychiatry Access Project (MCPAP) provides telephone support from mental health specialists to primary care providers (PCPs). Understanding PCPs' use may inform implementation of similar programs. We sought to examine PCPs' decision-making process to use or not use MCPAP when encountering mental health problems. METHODS: We analyzed data regarding calls from PCPs to MCPAP from October 1, 2010, to July 31, 2011, and interviewed 14 PCPs with frequent use (>=7 calls) and infrequent use (<=4 calls). PCPs were asked about recent patients with mental health problems, and they were asked to describe reasons for calling or not calling MCPAP. Frequent callers were asked what sustained use; infrequent callers were asked about alternative management strategies. Comparisons were made between these groups in qualitative analysis. RESULTS: PCPs (n = 993) made 6526 calls (mean = 6.6; median = 3). Factors influencing calling included: MCPAP's guidance is timely and tailored to individual scope of practice; MCPAP's ability to arrange therapy referrals exceeds PCPs' ability; providing a plan at point of care relieves anxious families; and MCPAP's assistance helps accommodate families' preference to keep mental health in primary care. Some infrequent callers had gained skills through MCPAP before 2010 and now called only for complex cases. Other reasons for infrequent calling: PCPs have other consultation sources, have fear of being asked to manage more than they are comfortable, or have misperceptions of MCPAP's offerings. CONCLUSIONS: MCPAP enhanced PCPs' ability to deliver mental health care consistent with families' preferences. PCPs applied knowledge gained from calls to subsequent patients. Promoting MCPAP components through outreach and tailoring guidance to PCPs' scope of practice may entice greater use. PMID- 29197642 TI - Neuroimage special issue on brain segmentation and parcellation - Editorial. PMID- 29197643 TI - Anti-inflammatory meroterpenoids from the mangrove endophytic fungus Talaromyces amestolkiae YX1. AB - Four previously undescribed meroterpenoids, amestolkolides A-D, along with three known compounds were isolated from the mangrove endophytic fungus Talaromyces amestolkiae YX1 cultured on wheat solid-substrate medium culture. Their structures were elucidated by a combination of spectroscopic analyses. The absolute configurations of amestolkolides B and C, and purpurogenolide E were determined by single-crystal X-ray diffraction using Cu Kalpha radiation, and those of amestolkolides A and D were elucidated on the basis of experimental and calculated electronic circular dichroism spectra. The absolute configuration of amestolkolides A-D, and purpurogenolide E (9R) at C-9 was different from that of analogues (9S) in references, so that their plausible and distinct biosynthetic pathways were proposed. Amestolkolide B showed strong anti-inflammatory activity in vitro by inhibiting nitric oxide (NO) production in lipopolysaccharide activated in RAW264.7 cells with IC50 value of 1.6 +/- 0.1 MUM. PMID- 29197644 TI - Successful treatment of Rosai-Dorfman disease using ALA-PDT. AB - Rosai-Dorfman disease is a rare inflammatory cutaneous histiocytosis with the involvement of lymph nodes. Therapeutic interventions include thalidomide, corticosteroids, surgical excision and radiotherapy . In this article, we report a case that was successfully treated with ALA photodynamic therapy. PMID- 29197645 TI - The impact of iatrogenic glottic atresia due to photodynamic therapy for laryngeal cancer: A report of two cases. AB - Photodynamic therapy (PDT) is a minimally invasive therapy used in the treatment of premalignant and malignant diseases, including head and neck carcinomas. It can be applied before or after chemotherapy, irradiation, or surgery. Unlike irradiation and surgery, it can be repeated many times at the same site, and it is also associated with better cosmetic and functional outcomes [1]. We have treated 10 patients with laryngeal carcinomas with PDT since 1998, and herein we describe two such patients who developed vocal cord adhesion due to PDT. To our knowledge, there are no previous reports of patients with glottis atresia due to PDT, thus the cases reported herein are rare, and educationally valuable. PMID- 29197646 TI - One-stage and two-stage meta-analysis of individual participant data led to consistent summarized evidence: lessons learned from combining multiple databases. AB - OBJECTIVE: Combining multiple health-care databases (DBs) allows comparing the effects of a wide variety of health-care services. There is a growing interest in methods for combining the results from multiple DBs. We attempted to learn lessons about the performance of one- and two-stage approaches from the reanalysis of data drawn from two studies of pharmacoepidemiology based on multiple DBs. STUDY DESIGN AND SETTING: Two nested case-control studies were carried out for estimating the tricyclic antidepressants (TCAs)-arrhythmia and etoricoxib-heart failure associations, respectively, from the Italian Group for Appropriate Drug Prescription in the Elderly and the European Safety of Non Steroidal Anti-Inflammatory programs. The associations of interest were modeled by conditional logistic regression for matched case-control sets, fitting fixed effect and random-effect models with both one- and two-stage approaches. RESULTS: One- and two-stage approaches gave very similar results, showing uncertainty of TCA-arrhythmia association (random-effect odds ratios [ORs], 95% confidence interval [CI], 1.26, 0.71-2.24, and 1.30, 0.66-2.55, respectively) and statistical evidence for etoricoxib-heart failure association (fixed-effect OR, 95% CI, 1.53, 1.41-1.66, and 1.54, 1.42-1.66, respectively). CONCLUSION: Our study offers further evidence that two-stage approach generates estimates very similar as those from one-stage approach, even in the case of between-DB exposure heterogeneity and when several covariates must be concurrently considered. As current rules limit the free movement of electronic health data, our findings open the door of treating data within the country where they are generated and then to apply conventional techniques for summarizing estimates, which is the two stage approach for meta-analysis using individual participant data. PMID- 29197647 TI - Genetic basis of chromosomally-encoded mcr-1 gene. AB - Compared with plasmid-borne mcr-1, the occurrence of chromosomally-encoded mcr-1 is rare although it has been reported in several cases. This study aimed to investigate the genetic features of chromosomally-encoded mcr-1 among Escherichia coli strains as well as the potential genetic basis governing mobilisation of mcr 1 in bacterial chromosomes. The genome sequences of 16 E. coli strains containing a chromosomal mcr-1 gene were obtained and analysed. Phylogenetic and whole genome sequencing (WGS) analysis demonstrated that mcr-1 was associated with four major types of genetic arrangements, namely ISApl1-mcr1-orf, Tn6330, complex Tn6330 and DeltaTn6330 in chromosomes of genetically unrelated E. coli strains. The mcr-1-carrying mobile elements were shown to insert into the AT-rich region, which was also the case for ISApl1. Analysis of complete E. coli genome sequences showed that there were multiple copies of ISApl1 present in E. coli chromosomes that also carried mcr-1, whilst all mcr-1-negative chromosomes were absent of any copy of ISApl1, suggesting the strong association of ISApl1 and mcr-1. Insertion of ISApl1 into E. coli chromosomes may be a prerequisite for the insertion of mcr 1-carrying mobile elements. Insertion of mcr-1 into E. coli chromosomes would enable it to become intrinsically resistant, which is expected to become more prevalent. Policy on the prudent use of colistin both in veterinary and clinical settings should be imposed globally to further prevent dissemination of mcr-1 in E. coli and other bacterial pathogens. PMID- 29197648 TI - Elevated antimicrobial residues in animal food products call for institutional changes on veterinary drug management and animal food product surveillance in China. PMID- 29197650 TI - KCC2, epileptiform synchronization, and epileptic disorders. AB - The K+-Cl- co-transporter KCC2 is a neuron-specific, Cl- extruder that uses K+ gradient for maintaining low intracellular [Cl-]. It is indeed well established that sustaining an outwardly-directed electrochemical Cl- gradient across the neuronal membrane is fundamental for a proper function of postsynaptic GABAA receptor signaling. In particular, studies in the last two decades have shown that KCC2 activity is important to maintain a hyperpolarizing GABAergic neurotransmission. Conversely, low KCC2 activity should lead to depolarizing, and under specific conditions, excitatory GABAergic transmission. Not surprisingly given the critical role of KCC2 in regulating the inhibitory drive, alterations in its expression levels and activity are linked with epilepsy. Here, we will first summarize data regarding the role of KCC2 in epileptiform synchronization. Next, we will review evidence indicating that KCC2 expression and function are altered in chronic epileptic disorders, both in the developing and adult brain. We will also go through recent findings regarding the molecular mechanisms underlying the changes in KCC2 activity that occur following seizures. Finally, we will consider the modulation of KCC2 function as a potential, novel therapeutic target for the treatment of epileptic disorders. PMID- 29197649 TI - Heritable genotype contrast mining reveals novel gene associations specific to autism subgroups. AB - Though the genetic etiology of autism is complex, our understanding can be improved by identifying genes and gene-gene interactions that contribute to the development of specific autism subtypes. Identifying such gene groupings will allow individuals to be diagnosed and treated according to their precise characteristics. To this end, we developed a method to associate gene combinations with groups with shared autism traits, targeting genetic elements that distinguish patient populations with opposing phenotypes. Our computational method prioritizes genetic variants for genome-wide association, then utilizes Frequent Pattern Mining to highlight potential interactions between variants. We introduce a novel genotype assessment metric, the Unique Inherited Combination support, which accounts for inheritance patterns observed in the nuclear family while estimating the impact of genetic variation on phenotype manifestation at the individual level. High-contrast variant combinations are tested for significant subgroup associations. We apply this method by contrasting autism subgroups defined by severe or mild manifestations of a phenotype. Significant associations connected 286 genes to the subgroups, including 193 novel autism candidates. 71 pairs of genes have joint associations with subgroups, presenting opportunities to investigate interacting functions. This study analyzed 12 autism subgroups, but our informatics method can explore other meaningful divisions of autism patients, and can further be applied to reveal precise genetic associations within other phenotypically heterogeneous disorders, such as Alzheimer's disease. PMID- 29197651 TI - Yawning-Its anatomy, chemistry, role, and pathological considerations. AB - Yawning is a clinical sign of the activity of various supra- and infratentorial brain regions including the putative brainstem motor pattern, hypothalamic paraventricular nucleus, probably the insula and limbic structures that are interconnected via a fiber network. This interaction can be seen in analogy to other cerebral functions arising from a network or zone such as language. Within this network, yawning fulfills its function in a stereotype, reflex-like manner; a phylogenetically old function, preserved across species barriers, with the purpose of arousal, communication, and maybe other functions including respiration. Abnormal yawning with >=3 yawns/15min without obvious cause arises from lesions of brain areas involved in the yawning zone, its trajectories causing a disconnection syndrome, or from alteration of network activity by physical or metabolic etiologies including medication. PMID- 29197652 TI - Crustacean olfactory systems: A comparative review and a crustacean perspective on olfaction in insects. AB - Malacostracan crustaceans display a large diversity of sizes, morphs and life styles. However, only a few representatives of decapod taxa have served as models for analyzing crustacean olfaction, such as crayfish and spiny lobsters. Crustaceans bear multiple parallel chemosensory pathways represented by different populations of unimodal chemosensory and bimodal chemo- and mechanosensory sensilla on the mouthparts, the walking limbs and primarily on their two pairs of antennae. Here, we focus on the olfactory pathway associated with the unimodal chemosensory sensilla on the first antennal pair, the aesthetascs. We explore the diverse arrangement of these sensilla across malacostracan taxa and point out evolutionary transformations which occurred in the central olfactory pathway. We discuss the evolution of chemoreceptor proteins, comparative aspects of active chemoreception and the temporal resolution of crustacean olfactory system. Viewing the evolution of crustacean brains in light of energetic constraints can help us understand their functional morphology and suggests that in various crustacean lineages, the brains were simplified convergently because of metabolic limitations. Comparing the wiring of afferents, interneurons and output neurons within the olfactory glomeruli suggests a deep homology of insect and crustacean olfactory systems. However, both taxa followed distinct lineages during the evolutionary elaboration of their olfactory systems. A comparison with insects suggests their olfactory systems o especially that of the vinegar fly o to be superb examples for "economy of design". Such a comparison also inspires new thoughts about olfactory coding and the functioning of malacostracan olfactory systems in general. PMID- 29197653 TI - Ectopic pregnancy 6 years after subtotal hysterectomy: A case report. AB - BACKGROUND: Only 57 cases of ectopic pregnancy after hysterectomy have been published. CASE REPORT: A 34-year-old patient with a history of subtotal hysterectomy for postpartum hemorrhage consulted for acute abdominal pain. The diagnosis of ectopic pregnancy was made using blood pregnancy test and transvaginal ultrasound. Emergency laparoscopy was performed. CONCLUSION: Urine pregnancy test should be performed in case of unexplained haemoperitoneum in patient of childbearing age with a history of hysterectomy. Fistulous tracts between the patent cervix or the vaginal cuff and the peritoneal cavity may allow fecundation. TEACHING POINTS: (1) Ectopic pregnancy remains a differential diagnosis of abdominal pain and haemoperitoneum in patient of childbearing age even after hysterectomy. (2) Fistulous tract between the residual cervix and the peritoneal cavity or tubes may allow fecundation. PMID- 29197654 TI - Exploring viral reservoir: The combining approach of cell sorting and droplet digital PCR. AB - Combined antiretroviral therapy (cART) blocks different steps of HIV replication and maintains plasma viral RNA at undetectable levels. The virus can remain in long-living cells and create a reservoir where HIV can restart replicating after cART discontinuation. A persistent viral production triggers and maintains a persistent immune activation, which is a well-known feature of chronic HIV infection, and contributes either to precocious aging, or to the increased incidence of morbidity and mortality of HIV positive patients. The new frontier of the treatment of HIV infection is nowadays eradication of the virus from all host cells and tissues. For this reason, it is crucial to have a clear and precise idea of where the virus hides, and which are the cells that keep it silent. Important efforts have been made to improve the detection of viral reservoirs, and new techniques are now giving the opportunity to characterize viral reservoirs. Among these techniques, a strategic approach based upon cell sorting and droplet digital PCR (ddPCR) is opening new horizons and opportunities of research. This review provides an overview of the methods that combine cell sorting and ddPCR for the quantification of HIV DNA in different cell types, and for the detection of its maintenance. PMID- 29197655 TI - Multiplexed approaches correlating mitochondrial health to cell health using microcapillary cytometry. AB - Mitochondria are critical cellular organelles that play a fundamental role in cellular metabolism and oxidative stress and are well known to trigger multiple cell death pathways. The study of sequence of mitochondrial events as it relates to apoptotic/cell death events can provide critical insights into mechanism of cellular homeostasis, stress and death. Availability of rapid and simplified cytometric testing methods for evaluating mitochondrial changes, apoptosis and cell death in parallel can greatly enhance our understanding of mechanism of compound action. In this study, we investigated a series of compounds to evaluate apoptotic/cell death effects in context of mitochondrial changes using plate based assays on Guava(r) easyCyte systems. Studies utilized multiplexed assays for mitochondrial membrane potential changes and apoptosis/cell death markers and allowed for easy identification of hit compounds. Dose and time response studies with Niclosamide, an anti-helmintic drug and comparison of effects with Gambogic acid and celastrol demonstrated early and significant mitochondrial impacts for niclosamide and gambogic acid. No apoptotic or cell death impacts were observed in parallel at low doses/short times of incubation for niclosamide, while increased time with niclosamide caused increase in mitochondrial, apoptotic and cell death response. The method demonstrates great power in being able to distinguish between potency of compounds and conditions in modulating mitochondrial/apoptotic changes. The simplicity of the assays described coupled with the ease of use of plate based microcapillary cytometry can provide researchers valuable tools to obtain a more comprehensive insight into how compounds modulate mitochondria and its relationship with subsequent apoptosis/cell death pathways. PMID- 29197656 TI - Endocardial infarct scar recognition by myocardial electrical impedance is not influenced by changes in cardiac activation sequence. AB - BACKGROUND: Measurement of myocardial electrical impedance can allow recognition of infarct scar and is theoretically not influenced by changes in cardiac activation sequence, but this is not known. OBJECTIVES: The objectives of this study were to evaluate the ability of endocardial electrical impedance measurements to recognize areas of infarct scar and to assess the stability of the impedance data under changes in cardiac activation sequence. METHODS: One month-old myocardial infarction confirmed by cardiac magnetic resonance imaging was induced in 5 pigs submitted to coronary artery catheter balloon occlusion. Electroanatomic data and local electrical impedance (magnitude, phase angle, and amplitude of the systolic-diastolic impedance curve) were recorded at multiple endocardial sites in sinus rhythm and during right ventricular pacing. By merging the cardiac magnetic resonance and electroanatomic data, we classified each impedance measurement site either as healthy (bipolar amplitude >=1.5 mV and maximum pixel intensity <40%) or scar (bipolar amplitude <1.5 mV and maximum pixel intensity >=40%). RESULTS: A total of 137 endocardial sites were studied. Compared to healthy tissue, areas of infarct scar showed 37.4% reduction in impedance magnitude (P < .001) and 21.5% decrease in phase angle (P < .001). The best predictive ability to detect infarct scar was achieved by the combination of the 4 impedance parameters (area under the receiver operating characteristic curve 0.96; 95% confidence interval 0.92-1.00). In contrast to voltage mapping, right ventricular pacing did not significantly modify the impedance data. CONCLUSION: Endocardial catheter measurement of electrical impedance can identify infarct scar regions, and in contrast to voltage mapping, the impedance data are not affected by changes in cardiac activation sequence. PMID- 29197657 TI - Feasibility of extravascular pacing with a novel substernal electrode configuration: The Substernal Pacing Acute Clinical Evaluation study. AB - BACKGROUND: Subcutaneous implantable cardioverter-defibrillators provide an alternative to transvenous defibrillation but require higher shock outputs and offer no antitachycardia pacing. The Substernal Pacing Acute Clinical Evaluation (SPACE) study evaluated the feasibility of pacing from an extravascular substernal location. OBJECTIVES: The primary purpose of the SPACE study was to characterize pacing from the substernal space. Secondary objectives included evaluating extracardiac stimulation and recording electrograms. METHODS: The SPACE study prospectively evaluated the feasibility of pacing with a commercially available electrophysiology catheter acutely implanted in the substernal space via minimally invasive subxiphoid access. Pacing data were collected in >=7 vectors using constant current stimulation up to 20 mA and pulse width up to 10 ms. RESULTS: Catheter placement was successful in all 26 patients who underwent the procedure, with a mean placement time of 11.7 +/- 10.1 minutes. Eighteen patients (69%) had successful ventricular capture in >=1 tested vector. The mean pacing threshold at a pulse width of 10 ms was 7.3 +/- 4.2 mA across all vectors (5.8 +/- 4.4 V). Failed capture was generally associated with suboptimal catheter placement or presumed air ingression. A low level of extracardiac stimulation was observed in 1 patient. The mean R-wave amplitude ranged from 2.98 to 4.11 mV in the unipolar configuration and from 0.83 to 3.95 mV in the bipolar configuration. CONCLUSION: The data from the SPACE study demonstrate that pacing is feasible from the extravascular substernal location. A substernal electrode configuration has the potential to provide pacing in a future extravascular device without need for intracardiac hardware placement. PMID- 29197658 TI - Using the genome aggregation database, computational pathogenicity prediction tools, and patch clamp heterologous expression studies to demote previously published long QT syndrome type 1 mutations from pathogenic to benign. AB - BACKGROUND: Mutations in the KCNQ1-encoded Kv7.1 potassium channel cause long QT syndrome (LQTS) type 1 (LQT1). It has been suggested that ~10%-20% of rare LQTS case-derived variants in the literature may have been published erroneously as LQT1-causative mutations and may be "false positives." OBJECTIVE: The purpose of this study was to determine which previously published KCNQ1 case variants are likely false positives. METHODS: A list of all published, case-derived KCNQ1 missense variants (MVs) was compiled. The occurrence of each MV within the Genome Aggregation Database (gnomAD) was assessed. Eight in silico tools were used to predict each variant's pathogenicity. Case-derived variants that were either (1) too frequently found in gnomAD or (2) absent in gnomAD but predicted to be pathogenic by <=2 tools were considered potential false positives. Three of these variants were characterized functionally using whole-cell patch clamp technique. RESULTS: Overall, there were 244 KCNQ1 case-derived MVs. Of these, 29 (12%) were seen in >=10 individuals in gnomAD and are demotable. However, 157 of 244 MVs (64%) were absent in gnomAD. Of these, 7 (4%) were predicted to be pathogenic by <=2 tools, 3 of which we characterized functionally. There was no significant difference in current density between heterozygous KCNQ1-F127L, -P477L, or -L619M variant-containing channels compared to KCNQ1-WT. CONCLUSION: This study offers preliminary evidence for the demotion of 32 (13%) previously published LQT1 MVs. Of these, 29 were demoted because of their frequent sighting in gnomAD. Additionally, in silico analysis and in vitro functional studies have facilitated the demotion of 3 ultra-rare MVs (F127L, P477L, L619M). PMID- 29197659 TI - Network-based method for mining novel HPV infection related genes using random walk with restart algorithm. AB - The human papillomavirus (HPV), a common virus that infects the reproductive tract, may lead to malignant changes within the infection area in certain cases and is directly associated with such cancers as cervical cancer, anal cancer, and vaginal cancer. Identification of novel HPV infection related genes can lead to a better understanding of the specific signal pathways and cellular processes related to HPV infection, providing information for the development of more efficient therapies. In this study, several novel HPV infection related genes were predicted by a computation method based on the known genes involved in HPV infection from HPVbase. This method applied the algorithm of random walk with restart (RWR) to a protein-protein interaction (PPI) network. The candidate genes were further filtered by the permutation and association tests. These steps eliminated genes occupying special positions in the PPI network and selected key genes with strong associations to known HPV infection related genes based on the interaction confidence and functional similarity obtained from published databases, such as STRING, gene ontology (GO) terms and KEGG pathways. Our study identified 104 novel HPV infection related genes, a number of which were confirmed to relate to the infection processes and complications of HPV infection, as reported in the literature. These results demonstrate the reliability of our method in identifying HPV infection related genes. This article is part of a Special Issue entitled: Accelerating Precision Medicine through Genetic and Genomic Big Data Analysis edited by Yudong Cai & Tao Huang. PMID- 29197661 TI - Functional assessment of hepatobiliary secretion by 11C-cholylsarcosine positron emission tomography. AB - Positron emission tomography (PET) with 11C-cholylsarcosine (11C-CSar), a radiolabelled synthetic N-methylglycine (sarcosine) conjugate of cholic acid, is a novel molecular imaging technique that enables quantitative assessment of the individual transport steps involved in hepatic secretion of conjugated bile acids. Here, we present the method and discuss its potential clinical and scientific applications based on findings in the first human study of healthy subjects and patients with cholestasis. We also present a clinical example of a patient studied during and six months after an episode of drug-induced cholestatic liver injury. PMID- 29197660 TI - Metabolomic markers of fatigue: Association between circulating metabolome and fatigue in women with chronic widespread pain. AB - BACKGROUND: Fatigue is a sensation of unbearable tiredness that frequently accompanies chronic widespread musculoskeletal pain (CWP) and inflammatory joint disease. Its mechanisms are poorly understood and there is a lack of effective biomarkers for diagnosis and onset prediction. We studied the circulating metabolome in a population sample characterised for CWP to identify biomarkers showing specificity for fatigue. MATERIAL AND METHODS: Untargeted metabolomic profiling was conducted on fasting plasma and serum samples of 1106 females with and without CWP from the TwinsUK cohort. Linear mixed-effects models accounting for covariates were used to determine relationships between fatigue and metabolites. Receiver operating curve (ROC)-analysis was used to determine predictive value of metabolites for fatigue. RESULTS: While no association between fatigue and metabolites was identified in twins without CWP (n=711), in participants with CWP (n=395), levels of eicosapentaenoate (EPA) omega-3 fatty acid were significantly reduced in those with fatigue (beta=-0.452+/-0.116; p=1.2*10-4). A significant association between fatigue and two other metabolites also emerged when BMI was excluded from the model: 3-carboxy-4-methyl-5-propyl-2 furanpropanoate (CMPF), and C-glycosyltryptophan (p=1.5*10-4 and p=3.1*10-4, respectively). ROC analysis has identified a combination of 15 circulating metabolites with good predictive potential for fatigue in CWP (AUC=75%; 95% CI 69 80%). CONCLUSION: The results of this agnostic metabolomics screening show that fatigue is metabolically distinct from CWP, and is associated with a decrease in circulating levels of EPA. Our panel of circulating metabolites provides the starting point for a diagnostic test for fatigue in CWP. PMID- 29197662 TI - New perspectives for pharmacological chaperoning treatment in methylmalonic aciduria cblB type. PMID- 29197663 TI - Prediction of potential drivers connecting different dysfunctional levels in lung adenocarcinoma via a protein-protein interaction network. AB - Lung cancer is a serious disease that threatens an affected individual's life. Its pathogenesis has not yet to be fully described, thereby impeding the development of effective treatments and preventive measures. "Cancer driver" theory considers that tumor initiation can be associated with a number of specific mutations in genes called cancer driver genes. Four omics levels, namely, (1) methylation, (2) microRNA, (3) mutation, and (4) mRNA levels, are utilized to cluster cancer driver genes. In this study, the known dysfunctional genes of these four levels were used to identify novel driver genes of lung adenocarcinoma, a subtype of lung cancer. These genes could contribute to the initiation and progression of lung adenocarcinoma in at least two levels. First, random walk with restart algorithm was performed on a protein-protein interaction (PPI) network constructed with PPI information in STRING by using known dysfunctional genes as seed nodes for each level, thereby yielding four groups of possible genes. Second, these genes were further evaluated in a test strategy to exclude false positives and select the most important ones. Finally, after conducting an intersection operation in any two groups of genes, we obtained several inferred driver genes that contributed to the initiation of lung adenocarcinoma in at least two omics levels. Several genes from these groups could be confirmed according to recently published studies. The inferred genes reported in this study were also different from those described in a previous study, suggesting that they can be used as essential supplementary data for investigations on the initiation of lung adenocarcinoma. This article is part of a Special Issue entitled: Accelerating Precision Medicine through Genetic and Genomic Big Data Analysis edited by Yudong Cai & Tao Huang. PMID- 29197664 TI - Emerging metabolic risk factors in hepatocellular carcinoma and their influence on the liver microenvironment. AB - Despite the reducing incidence of chronic hepatitis infections, an unexpected increasing incidence of hepatocellular carcinoma (HCC) has being occurred. This may be explained by the increasing number of HCCs developing on steatosis (NAFLD) and steatohepatitis (NASH), related to metabolic risk factors (i.e. diabetes mellitus type II, obesity, metabolic syndrome), which are becoming emerging risk factors for HCC. This led to a growing scientific interest on the oncogenic mechanisms underlying the transition from NAFLD to HCC. However, patients with NASH receive significantly less HCC surveillance than patients with chronic hepatitis, and no specific preventive pharmacological treatments have recommended for NASH-related HCC. This review focuses on the pathogenic role of the emerging factors involved in the transition from NAFLD/NASH to HCC, including microbiota, insulin resistance, inflammation, lipid and bile acids metabolism. It will be emphasize their impact on the liver microenvironment, the implications in clinical practice and the future directions of research. PMID- 29197665 TI - To create or to recall original ideas: Brain processes associated with the imagination of novel object uses. AB - This fMRI study investigated what brain processes contribute to the generation of new ideas. Brain activation was measured while participants generated new original object uses, recalled original object uses, or recalled common object uses. Post-scan evaluations were used to confirm what ideas were newly generated on the spot or actually retrieved from memory. When compared to the recall of common ideas, the generation of new and old original ideas showed a similar activation pattern including activation of bilateral parahippocampal and mPFC regions, suggesting that the construction of new ideas builds on similar processes like the reconstruction of original ideas from episodic memory. As a difference, the generation of new object uses involved higher activation of a focused cluster in the left supramarginal gyrus compared to the recall of original ideas. This finding adds to the converging evidence that the left supramarginal gyrus is crucially involved in the construction of novel representations, potentially by integrating memory content in new ways and supporting executively demanding mental simulations. This study deepens our understanding of how creative thought builds on and goes beyond memory. PMID- 29197666 TI - Surgical outcome and predictive factors of epilepsy surgery in pediatric isolated focal cortical dysplasia. AB - OBJECTIVE: Focal cortical dysplasia (FCD) is a common cause of medically intractable epilepsy in children. Epilepsy surgery has been a valuable treatment option to achieve seizure freedom in these intractable epilepsy patients. We aimed to present long-term surgical outcome, in relation to pathological severity, and to assess predictive factors of epilepsy surgery in pediatric isolated FCD. METHODS: We retrospectively analyzed the data of 58 children and adolescents, with FCD International League Against Epilepsy (ILAE) task force classification types I and II, who underwent resective epilepsy surgery and were followed for at least 2 years after surgery. RESULTS: The mean age at epilepsy onset was 4.3 years (0-14.2 years), and mean age at epilepsy surgery was 9.4 years (0.4-17.5 years). The mean duration of postoperative follow-up was 5.1+/ 2.6 years (2-12.4 years). Of 58 patients, 62% of patients achieved Engel class I at 2 years postoperatively, 58% at 5 years postoperatively, and 53% at the last follow up. Forty eight percent of our cohort successfully discontinued antiepileptic medication. Of 30 patients with seizure recurrence, 83% of seizures recurred within 2 years after surgery. We observed that FCD type IIb was significantly associated with a better surgical outcome. At fifth postoperative year, 88% of FCD IIb patients were seizure free compared with 21% of type I and 57% of type IIa patients (P=0.043). By multivariate analysis, lesion on MRI (P=0.02) and complete resection (P<0.01) were the most important predictive factors for a seizure-free outcome. SIGNIFICANCE: Epilepsy surgery is highly effective; more than half of medically intractable epilepsy patients achieved seizure freedom after surgery. In addition, we found significant difference in surgical outcomes according to the ILAE task force classification. Lesion on MRI and complete resection were the most important predictive factors for favorable seizure outcome in isolated FCD patients. PMID- 29197667 TI - Indirect comparison of third-generation antiepileptic drugs as adjunctive treatment for uncontrolled focal epilepsy. AB - PURPOSE: Eslicarbazepine (ESL), Lacosamide (LAC), Perampanel (PER) and Brivaracetam (BRV), have recently been marketed as third-generation antiepileptic drugs (AEDs). We conducted a meta-analysis to indirectly compare overall efficacy and tolerability between third-generation AEDs in uncontrolled focal epilepsy. METHODS: We performed an online database search using Pubmed, Embase, Cochrane Online Library, and Clinicaltrial.gov for all available randomized controlled trials (RCTs) that investigated the therapeutic effects over a range of AED doses versus placebo. We then compared clinical efficacy and tolerability between these newer AEDs using Indirect Treatment Comparison software. RESULTS: Nineteen RCTs with a total of 7245 patients were included in our study. There were no significant differences in the risk difference of 50% responder rates and seizure free rates between third generation AEDs, regardless of dose. The risk of treatment emergent adverse events was significantly higher with ESL and PER treatment compared to BRV at all doses combined. Withdrawal rates due to adverse events were also significantly higher in patients treated with the highest doses of LAC and PER versus BRV, while treatment with ESL or LAC was related to higher withdrawal rates versus BRV when all doses were combined. CONCLUSIONS: Our analysis suggested there were no significant differences in efficacy between third generation AEDs in uncontrolled focal epilepsy. BRV may have the best tolerability profile. The other AEDs were associated with a higher risk for intolerable adverse, especially when taken at a high doses. The results from these indirect comparisons warrant further examination and verification through future well-designed trials. PMID- 29197668 TI - The new definition and classification of seizures and epilepsy. AB - This review discusses the updated classifications of seizures and the epilepsies, which were recently published by the International League Against Epilepsy (ILAE). While it is always a challenge to learn a new classification system, particularly one that has remained essentially unchanged for over three decades, these new classifications allow for the inclusion of some previously unclassifiable seizure types and utilize more intuitive terminology. In this review, we specifically discuss the use of these new classifications for patients, clinicians, and researchers. PMID- 29197669 TI - Vitamin D deficiency in children with epilepsy taking valproate and levetiracetam as monotherapy. AB - OBJECTIVE: The aim of this study is to evaluate if valproate (VPA) and levetiracetam (LEV) as monotherapy are associated with vitamin D deficiency among children with epilepsy. MATERIAL & METHODS: A cross-sectional clinical (seizure types, aetiology of epilepsy, dosage, drug levels, and duration of AED treatment) and blood testing (calcium, phosphorus, 25-OHD and PTH) study was accomplished in 90 epileptic children (AED group: 59 receiving VPA, and 31 receiving LEV) and a control group (244 healthy subjects). 25-OHD levels were categorized as low (<20ng/ml), borderline (20-29ng/ml), or normal (>30ng/ml) RESULTS: The average dosage of VPA and LEV was 20.7+/-4.7mg/kg/d and 24.1+/-7.9mg/kg/d, respectively. The mean duration of VPA therapy was 2.5+/-1.4years, and with LEV was 2.3+/ 1.6years. Mean calcium and 25-OHD levels were significantly higher (p <0.05) in the control group. There was a negative correlation (p <0.01) between 25-OHD and VPA levels (r=-0.442). Vitamin D deficiency (%) was significantly higher (p <0.05) in VPA (24.1%) and LEV (35.5%) groups than in control group (14%). The multiple logistic regression analysis showed that VPA monotherapy (OR: 1.9, CI 95%: 1.1-3.8) and LEV monotherapy (OR: 3.3, CI 95%: 1.5-7.5) were associated with an increased risk of vitamin D deficiency. CONCLUSIONS: The prevalence of vitamin D deficiency is common in children with epilepsy taking VPA or LEV. Hence vitamin D status of children treated with VPA and LEV should be regularly monitored and vitamin D supplements should be considered on an individual basis. PMID- 29197670 TI - Can POPs be substantially popped out through sweat? PMID- 29197671 TI - The in vitro renal cell toxicity of some unconventional anticancer phenanthroline based platinum(II) complexes. AB - The cytotoxicity of platinum(II) complexes coordinated to a chiral diamine, 1S,2S diaminocyclohexane or 1R,2R-diaminocyclohexane and 1,10-phenanthroline or 3,4,7,8 tetramethyl-1,10-phenanthroline has been investigated in the renal proximal tubule HK-2 cell line. All platinum(II) complexes exhibited lower cytotoxicity in HK-2 cells (IC50 1.7-25MUM) than in A2780 ovarian cancer cells or cisplatin resistant A2780cisR cells (IC50 0.2-2.1MUM) (at 48h). PHENSS ([Pt(1,10 phenanthroline)(1S,2S-dach)]2+) induced apoptosis and necrosis in ovarian cancer cells at concentrations that are relatively cytostatic to renal cells. Cisplatin was similarly or more cytotoxic to renal cells than ovarian cancer cells. Similar trends were reflected with shorter term exposure (1.5h). PHENSS demonstrated a comparatively cytostatic mode of action in renal cell cultures than cisplatin, as demonstrated by lower toxicity at higher concentrations (90MUM). PHENSS induced an elongated renal cell morphology, cytoskeletal stress fibre thickening, and increased beta-galactosidase activity, but no detectable change in reactive oxygen species generation or cell cycle distribution. In contrast, cisplatin treatment was associated with increased oxidative stress, cellular enlargement, G2/M arrest and apoptosis. The cytotoxicity of all platinum(II) complexes in both renal and ovarian cell lines were reduced in the presence of organic cation transporter (OCT) inhibitors cimetidine, disopyramide and amantadine. PHENSS and analogues demonstrated low level genotoxicity in an in vitro micronuclei assay compared to cisplatin or etoposide. These findings highlight PHENSS and other phen-based unconventional platinum(II) complexes as promising anticancer agents with alternative modes of action that induce lower kidney cell toxicity and genotoxicity, while demonstrating greater cisplatin-resistant ovarian cancer cell toxicity. PMID- 29197672 TI - Visualizing bacterial DNA replication and repair with molecular resolution. AB - Although DNA replication and repair in bacteria have been extensively studied for many decades, in recent years the development of single-molecule microscopy has provided a new perspective on these fundamental processes. Because single molecule imaging super-resolves the nanometer-scale dynamics of molecules, and because single-molecule imaging is sensitive to heterogeneities within a sample, this nanoscopic microscopy technique measures the motions, localizations, and interactions of proteins in real time without averaging ensemble observations, both in vitro and in vivo. In this Review, we provide an overview of several recent single-molecule fluorescence microscopy studies on DNA replication and repair. These experiments have shown that, in both Escherichia coli and Bacillus subtilis the DNA replication proteins are highly dynamic. In particular, even highly processive replicative DNA polymerases exchange to and from the replication fork on the scale of a few seconds. Furthermore, single-molecule investigations of the DNA mismatch repair (MMR) pathway have measured the complex interactions between MMR proteins, replication proteins, and DNA. Single-molecule imaging will continue to improve our understanding of fundamental processes in bacteria including DNA replication and repair. PMID- 29197673 TI - After the deluge: mining Staphylococcus aureus genomic data for clinical associations and host-pathogen interactions. AB - The genome of Staphylococcus aureus has rapidly become one the most frequently sequenced among bacteria, with more than 40000 genome sequences uploaded to public databases. Computational resources required for analysis and quality assessment have lagged behind accumulation of sequence data. Improved analytic pipelines, in combination with the development of customized S. aureus reference databases, can be used to inform S. aureus biology and potentially predict clinical outcome. Here, we review the currently available data about S. aureus genome in public databases, and discuss their potential utility for understanding S. aureus evolution. Also discussed are ways to overcome challenges to the application of whole-genome sequencing data for prevention and management of S. aureus disease. PMID- 29197674 TI - Risk Factors for Severe Acute Graft-versus-Host Disease in Donor Graft Composition. AB - Acute graft-versus-host disease (aGVHD) is 1 of the main major complications of post-hematopoietic stem cell transplantation (HSCT). Identifying patients at risk of severe aGVHD may lead to earlier intervention and treatment, resulting in increased survival and a better quality of life. We aimed to identify biomarkers in donor grafts and patient plasma around the time of transplantation that might be predictive of aGVHD development. We build on our previously published methods by using multiplex assays and multicolor flow cytometry. We identified 5 easily assessable cellular markers in donor grafts that combined could potentially be used to calculate risk for severe aGVHD development. Most noteworthy are the T cell subsets expressing IL-7 receptor-alpha (CD127) and PD-1. Additionally, we identified a potential role for elevated tumor necrosis factor-alpha levels in both graft and patient before HSCT in development of aGVHD. PMID- 29197675 TI - Homozygous HLA-C1 is Associated with Reduced Risk of Relapse after HLA-Matched Transplantation in Patients with Myeloid Leukemia. AB - Natural killer (NK) cells assume graft-versus-leukemia alloreactivity after hematopoietic stem cell transplantation (HSCT) through their inhibitory killer cell immunoglobulin-like receptors (KIRs). KIR2D family members recognize HLA-C alleles with Asn80 (HLA-C1) or Lys80 (HLA-C2). The predominance of HLA-C1 over HLA-C2 and the frequent presence of KIR2DL1 are characteristic of Japanese people. We compared clinical outcomes among homozygous HLA-C1 (HLA-C1/C1) patients and heterozygous HLA-C1/C2 patients who underwent HLA-matched HSCT for hematologic malignancies by assessing the data of 10,638 patients from the Japanese national registry. HLA-C1/C1 recipients had a lower rate of relapse than HLA-C1/C2 recipients after transplantation for acute myelogenous leukemia (AML) (hazard ratio [HR], .79; P = .006) and chronic myelogenous leukemia (CML) (HR, .48; P = .025), but not for acute lymphoblastic leukemia (HR, 1.36), lymphoma (HR, .97), or low-grade myelodysplastic syndrome (HR, 1.40). We then grouped AML and CML patients together and divided them into several subgroups. Advantages of HLA-C1/C1 recipients over HLA-C1/C2 recipients regarding relapse were observed irrespective of donor relation (related: HR, .79, P = .069; unrelated: HR, .77, P = .022), preparative regimen (myeloablative: HR, .79, P = .014; reduced intensity: HR, .73, P = .084), and occurrence of acute graft-versus-host disease (yes: HR, .70, P = .122; no, HR .71, P = .026) or cytomegalovirus reactivation (reactivated: HR .67,P = .054; nonreactivated: HR .71, P = .033); however, these advantages were not observed in recipients with a delay in achieving complete chimerism (HR, 1.06). The advantage of decreasing relapse and extending relapse free survival of C1/1 over C1/2 KIR-ligand status was most pronounced in T cell depleted HSCT (HR, .27; P < .001 and HR, .30; P = .002, respectively) and in children age <15 years (HR, .29; P < .001 and HR .31; P < .001, respectively). Our findings represent an important mechanism responsible for the immunity against HLA-C2-negative myeloid leukemia cells after HLA-matched transplantation. PMID- 29197677 TI - Distinct Biomarker Profiles in Ex Vivo T Cell Depletion Graft Manipulation Strategies: CD34+ Selection versus CD3+/19+ Depletion in Matched Sibling Allogeneic Peripheral Blood Stem Cell Transplantation. AB - Various approaches have been developed for ex vivo T cell depletion in allogeneic stem cell transplantation to prevent graft-versus-host disease (GVHD). Direct comparisons of T cell depletion strategies have not been well studied, however. We evaluated cellular and plasma biomarkers in 2 different graft manipulation strategies, CD3+CD19+ cell depletion (CD3/19D) versus CD34+ selection (CD34S), and their associations with clinical outcomes. Identical conditions, including the myeloablative preparative regimen, HLA-identical sibling donor, GVHD prophylaxis, and graft source, were used in the 2 cohorts. Major clinical outcomes were similar in the 2 groups in terms of overall survival, nonrelapse mortality, and cumulative incidence of relapse; however, the cumulative incidence of acute GVHD trended to be higher in the CD3/19D cohort compared with the CD34S cohort. A distinct biomarker profile was noted in the CD3/19D cohort: higher levels of ST2, impaired Helios- FoxP3+Treg reconstitution, and rapid reconstitution of naive, Th2, and Th17 CD4 cells in the early post transplantation period. In vitro graft replication studies confirmed that CD3/19D disproportionately depleted Tregs and other CD4 subset repertoires in the graft. This study confirms the utility of biomarker monitoring, which can be directly correlated with biological consequences and possible future therapeutic indications. PMID- 29197678 TI - Adipokines, Inflammation, and Adiposity in Hematopoietic Cell Transplantation Survivors. AB - Adult survivors of acute leukemia in childhood have a higher-than-expected frequency of obesity and are at increased risk for metabolic syndrome and early mortality from cardiovascular disease (CVD). Adipose tissue has been recognized as an endocrine and paracrine organ that secretes various adipokines involved in metabolic regulation and inflammatory processes. In this study, we examined inflammatory factors (IL-6 and TNF-alpha) and adipokines (adiponectin, leptin), in addition to body composition and adiposity, in cancer survivors who underwent hematopoietic cell transplantation (HCT) during childhood compared with sibling controls. Over 2-year survivors of HCT for hematologic malignancies during childhood were recruited from 2 institutions along with a control population of siblings. Participants underwent evaluation for body composition, anthropometric measurements, and assessment of CVD risk factors and adipokines. Cases were stratified by radiation exposure in the preparative regimen (total body irradiation [TBI] + central nervous system [CNS] irradiation, TBI only, chemotherapy only) and adjusted least squares means were estimated for each adipokine and adjusted by age, sex, race, Tanner stage, and percent fat mass (PFM) percentiles (0-24, 25-74, 75+). A total of 151 HCT survivors and 92 siblings underwent evaluation. Significant differences in mean adipokine levels were detected between survivors and siblings; leptin was significantly higher and adiponectin significantly lower in HCT survivors who received TBI with or without CNS irradiation compared with siblings. IL-6 was significantly higher in all groups of HCT survivors compared with siblings. Body mass index (BMI) was similar in survivors and controls, although PFM was significantly higher in all groups of HCT survivors and lean body mass (LBM) was lower in survivors who received TBI with or without CNS radiation compared with siblings. HCT survivors showed an unfavorable profile of inflammation, adipokines, and adiposity, despite similar BMI as controls. Higher PFM and lower LBM may contribute to these findings. TBI exposure is correlated with greater severity of these observations. Increasing LBM may represent a tangible target for mitigating the high cardiometabolic risks of HCT survivors. PMID- 29197679 TI - Recipient T Cell Exhaustion and Successful Adoptive Transfer of Haploidentical Natural Killer Cells. AB - Natural killer (NK) cells mediate surveillance for malignancy. In some chemotherapy refractory myeloid leukemia patients, adoptive transfer of NK cells from haploidentical donors can induce remission. We have previously shown that remission induction is linked to NK cell persistence at day +14, but the factors influencing NK cell persistence are unknown. To address this question, patient samples from a phase I trial of National Cancer Institute (NCI) IL-15 in whom either did or did not show NK cell expansion were compared with healthy donor control subjects. Before lymphodepleting chemotherapy, high absolute CD3+ count was predictive of patients who failed to expand their haploidentical NK cell graft. Interestingly, both groups had elevated expression of inhibitory receptors and decreased cytokine production compared with control subjects, suggestive of T cell exhaustion among all patients before haploidentical NK cell infusion. At day +14, however, haploidentical NK cell expanders had persistence of recipient CD8+ T cells with the most exhausted inhibitory phenotype (either PD-1high or dual PD 1+Tim-3+) and elevated expression of T-bet and Eomes compared with NK cell nonexpanders and control subjects. This suggested that maintenance of an exhausted T cell state at day +14 permits haploidentical NK cell expansion and supports further efforts to selectively deplete recipient T cells or modulate their dysfunction. PMID- 29197676 TI - Intravenous Busulfan Compared with Total Body Irradiation Pretransplant Conditioning for Adults with Acute Lymphoblastic Leukemia. AB - Total body irradiation (TBI) has been included in standard conditioning for acute lymphoblastic leukemia (ALL) before hematopoietic cell transplantation (HCT). Non TBI regimens have incorporated busulfan (Bu) to decrease toxicity. This retrospective study analyzed TBI and Bu on outcomes of ALL patients 18-60 years old, in first or second complete remission (CR), undergoing HLA-compatible sibling, related, or unrelated donor HCT, who reported to the Center for International Blood and Marrow Transplant Research from 2005 to 2014. TBI plus etoposide (25%) or cyclophosphamide (75%) was used in 819 patients, and intravenous Bu plus fludarabine (41%), clofarabine (30%), cyclophosphamide (15%), or melphalan (13%) was used in 299 patients. Bu-containing regimens were analyzed together, since no significant differences for patient outcomes were noted between them. Bu patients were older, with better performance status; took longer to achieve first CR and receive HCT; were treated more recently; and were more likely to receive peripheral blood grafts, antithymocyte globulin, or tyrosine kinase inhibitors. With median follow-up of 3.6 years for Bu and 5.3 years for TBI, adjusted 3-year outcomes showed treatment-related mortality Bu 19% versus TBI 25% (P = .04); relapse Bu 37% versus TBI 28% (P = .007); disease-free survival (DFS) Bu 45% versus TBI 48% (P = .35); and overall survival (OS) Bu 57% versus TBI 53% (P = .35). In multivariate analysis, Bu patients had higher risk of relapse (relative risk, 1.46; 95% confidence interval, 1.15 to 1.85; P = .002) compared with TBI patients. Despite the higher relapse, Bu-containing conditioning led to similar OS and DFS following HCT for ALL. PMID- 29197680 TI - Increased Coexpression of PD-1, TIGIT, and KLRG-1 on Tumor-Reactive CD8+ T Cells During Relapse after Allogeneic Stem Cell Transplantation. AB - Allogeneic stem cell transplantation (allo-SCT) can be a curative treatment for patients with a hematologic malignancy due to alloreactive T cell responses recognizing minor histocompatibility antigens (MiHA). Yet tumor immune escape mechanisms can cause failure of T cell immunity, leading to relapse. Tumor cells display low expression of costimulatory molecules and can up-regulate coinhibitory molecules that inhibit T cell functionality on ligation with their counter-receptors on the tumor-reactive T cells. The aim of this explorative study was to evaluate immune checkpoint expression profiles on T cell subsets and on cytomegalovirus (CMV)- and/or MiHA-reactive CD8+ T cells of allo-SCT recipients using a 13-color flow cytometry panel, and to correlate these expression patterns to clinical outcomes. MiHA-reactive CD8+ T cells exhibited an early differentiated CD27++/CD28++ phenotype with low KLRG-1 and CD57 expression. These T cells also displayed increased expression of PD-1, TIM-3, and TIGIT compared with total effector memory T cells and CMV-specific CD8+ T cells in healthy donors and allo-SCT recipients. Remarkably, high coexpression of PD-1, TIGIT, and KLRG-1 on MiHA-reactive CD8+ T cells was associated with relapse after allo-SCT. Taken together, these findings indicate that MiHA-specific CD8+ T cells of relapsed patients have a distinctive coinhibitory expression signature compared with patients who stay in remission. This phenotype may serve as a potential monitoring tool in patients. Moreover, these findings suggest that PD-1 and TIGIT play important roles in regulating T cell-mediated tumor control, providing a rationale for immunotherapy with blocking antibodies to treat relapse after allo-SCT. PMID- 29197681 TI - T Cell-Replete Haploidentical Transplantation with Post-Transplantation Cyclophosphamide for Hodgkin Lymphoma Relapsed after Autologous Transplantation: Reduced Incidence of Relapse and of Chronic Graft-versus-Host Disease Compared with HLA-Identical Related Donors. AB - Allogeneic hematopoietic stem cell transplantation (SCT) represents a potential curative strategy for patients with Hodgkin lymphoma (HL) relapsing after autologous SCT (ASCT), but the incidence of disease relapse is still high. We performed a retrospective study on 64 patients with HL relapsing after ASCT to compare outcomes after HLA-identical SCT (HLAid-SCT; n = 34) and haploidentical SCT with post-transplantation cyclophosphamide (PT-Cy) (Haplo-SCT; n = 30). All patients engrafted, with a significantly shorter median time for neutrophil and platelet engraftment after HLAid compared with Haplo-SCT (14 days versus 19 days and 11 days versus 23 days, respectively; P < .005). With a median follow-up of 47 months, 3-year overall survival (OS), 3 -year progression-free survival (PFS), and 1-year nonrelapse mortality (NRM) were 53%, 44% and 17%, respectively. Recipients of Haplo-SCT were less likely to experience disease relapse (3-year cumulative incidence of relapse, 13% versus 62%; P = .0001) and chronic graft- versus-host disease (GVHD; 3% versus 32%; P = .003), resulting in improved PFS (60% versus 29%; P = .04) and GVHD-free/relapse-free survival (47% versus 17%; P = .06). The 3-year OS did not differ between the 2 groups (56% versus 54%; P not significant), and NRM was higher after Haplo-SCT, but the difference did not reach statistical significance (26% versus 9%; P = .09). On multivariate Cox regression analysis, receipt of Haplo-SCT (hazard ratio [HR], .17; P = .02) and achieving optimal disease control (complete remission before SCT: HR, .6; P < .0001) were the only independent variables associated with a reduced risk of disease relapse. Haplo-SCT is a valid option for patients with HL relapsing after ASCT, with a reduced incidence of relapse compared with HLAid SCT. PMID- 29197682 TI - Prevalence of temporal bone pneumatization in relation to temporomandibular joint - A computed tomographic study. AB - BACKGROUND: Pneumatic spaces represent sites of minimal resistance, facilitating the spread of various pathological processes into the joint such as tumors, infection or fractures or vice versa. Considering the clinical importance of temporomandibular joint, prevalence of pneumatic spaces of the temporal bone in relation to TMJ in the roof of the TMJ fossa; articular eminence; zygomatic process and peritubal area was determined using Computed tomography. Laterality and gender wise prevalence of pneumatic spaces around the TMJ was also assessed. MATERIALS AND METHODS: A total of 100 high-resolution CT images of adult patients subjected to CT scan for the base of skull/temporal bone were utilized. Axial, reformatted coronal and sagittal images were analyzed on a DICOM viewer for the presence and distribution of pneumatic spaces of the temporal bone around TMJ in the roof of TMJ fossa, articular eminence, zygomatic process and peritubal area. RESULTS: The extent of pneumatization of the temporal bone varied considerably. The prevalence of pneumatization of the roof of the TMJ fossa was 52%, articular eminence (12%), the root of the zygomatic process (5%) and peritubal area was 56%. Higher frequency of bilateral pneumatization was seen. No statistically significant correlation was seen in gender wise distribution of pneumatization. CONCLUSION: The present study revealed higher prevalence of pneumatization of temporal bone around TMJ. The knowledge of these air spaces is helpful for the interpretation of imaging studies and to understand the spread of pathological processes into the joint. PMID- 29197684 TI - Aridification driven diversification of fan-throated lizards from the Indian subcontinent. AB - The establishment of monsoon climate and the consequent aridification has been one of the most important climate change episodes in the Indian subcontinent. However, little is known about how these events might have shaped the diversification patterns among the widely distributed taxa. Fan-throated lizards (FTL) (Genus: Sitana, Sarada) are widespread, diurnal and restricted to the semi arid zones of the Indian subcontinent. We sampled FTL in 107 localities across its range. We used molecular species delimitation method and delineated 15 species including six putative species. Thirteen of them were distinguishable based on morphology but two sister species were indistinguishable and have minor overlaps in distribution. Five fossils were used to calibrate and date the phylogeny. Diversification of fan-throated lizards lineage started ~18 mya and higher lineage diversification was observed after 11 my. The initial diversification corresponds to the time when monsoon climate was established and the latter was a period of intensification of monsoon and initiation of aridification. Thirteen out of the fifteen FTL species delimited are from Peninsular India; this is probably due to the landscape heterogeneity in this region. The species poor sister genus Otocryptis is paraphyletic and probably represents relict lineages which are now confined to forested areas. Thus, the seasonality led changes in habitat, from forests to open habitats appear to have driven diversification of fan-throated lizards. PMID- 29197683 TI - Long-range telomere regulation of gene expression: Telomere looping and telomere position effect over long distances (TPE-OLD). AB - The human cellular reverse transcriptase, telomerase, is very tightly regulated in large long-lived species. Telomerase is expressed during early human fetal development, is turned off in most adult tissues, and then becomes reactivated in almost all human cancers. However, the exact mechanism regulating these switches in expression are not known. We recently described a phenomenon where genes are regulated by telomere length dependent loops (telomere position effects over long distances; TPE-OLD). The hTERT gene is ~ 1.2Mb from the human chromosome 5p end. We observed that when telomeres are long hTERT gene expression is repressed and a probe next to the 5p telomere and the hTERT locus are spatially co-localized. When telomeres are short at least one of the hTERT alleles is spatially separated from the telomere, developing more active histone marks and changes in DNA methylation in the hTERT promoter region. These findings have implications for how cells turn off telomerase when telomeres are long during fetal development and how cancer cells reactivate telomerase in cells that have short telomeres. In addition to TPE-OLD, in proliferating stem cells such as activated T-lymphocytes, telomerase can be reversibly activated and silenced by telomere looping. In telomerase positive cancer cells that are induced to differentiate and downregulate telomerase, telomere looping correlates with silencing of the hTERT gene. These studies and others support a role of telomeres in regulating gene expression via telomere looping that may involve interactions with internal telomeric sequences (ITS). In addition to telomere looping, TPE-OLD may be one mechanism of how cells time changes in physiology without initiating a DNA damage response. PMID- 29197685 TI - Recession, employment and self-rated health: a study on the gender gap. AB - OBJECTIVES: Employment status and economic recession have been associated with negative effects on self-rated health, and this effect differs by gender. We analysed the effects of the Spanish economic recession in terms of self-rated health, its differential effect among genders and its influence on gender gap. STUDY DESIGN: Repeated cross-sectional study using Spanish health surveys (2001 2014). METHODS: Logistic regression models were conducted to explore the association between self-rated health and employment status and its evolution over time and gender. To test the impact of the economic recession, pooled data regression models were conducted. RESULTS: In this study, we considered 104,577 subjects. During the last 15 years, women have entered the labour market, leading to wide changes in the Spanish traditional family roles. Instead of an increasing proportion of women workers, gender employment differences persist. Therefore, in 2014, the prevalence of workers was 55.77% in men, whereas in women, it was 44.01%. Self-rated health trends during the economic recession differ by gender, with women improving slightly their self-rated health from a low self-rated health prevalence of 38.76% in 2001 to 33.78% in 2014. On the contrary, men seem more vulnerable to employment circumstances, which have led to substantial reduction in the gender gap. CONCLUSIONS: Although a gender gap persists, the change in socio-economic roles seems to increase women's self-rated health, reducing this gap. It is important to promote women's labour market inclusion, even in economic recession periods. PMID- 29197686 TI - The impact of screening on cancer incidence and mortality in Missouri, USA, 2004 2013. AB - OBJECTIVES: Population-based evidence regarding impact of cancer screenings and cancer rates in Missouri is lacking. This study examined whether screenings of breast cancer, cervical cancer, and colorectal cancer impact early-stage cancer incidence and mortality in Missouri. STUDY DESIGN: This is an ecological study based on county-specific estimates of selected cancer screening prevalence and early-stage cancer incidence and cancer mortality. METHODS: County-specific prevalence of clinical breast examination, mammography, Pap test, sigmoidoscopy or colonoscopy, and fecal occult blood test (FOBT) were generated from Missouri County-Level Study (2003, 2007, and 2011). County-specific crude incidence and mortality were calculated (2004-2013). Pearson's correlation and Poisson regression were used to test association between cancer rate and screening prevalence. Covariates included county-level mean age, percentage of whites, percentage with low income, percentage with less than high school education high school, percentage with no insurance, and percentage having difficulties accessing care. RESULTS: In the adjusted model, 'ever had Pap test' was significantly associated with an increase of 8% in early-stage cervical cancer incidence. Having clinical breast examination or Pap test in the past was also associated with decreases in mortality by 3% and 4%, respectively, although the association was not significant for Pap test. In addition, having mammography was statistically significantly associated with early-stage breast cancer incidence, and having FOBT or sigmoidoscopy or colonoscopy was associated with decreased colorectal cancer mortality; however, magnitude for these associations was only around 1%. CONCLUSIONS: This study provides ecological evidence of the effectiveness of screening services in predicting early stage cancer incidence and in reducing mortality across Missouri counties. Further incentive to promote these screenings in Missouri is needed. PMID- 29197687 TI - A mixed methods evaluation of team-based learning for applied pathophysiology in undergraduate nursing education. AB - BACKGROUND: It is important for nurses to have a thorough understanding of the biosciences such as pathophysiology that underpin nursing care. These courses include content that can be difficult to learn. Team-based learning is emerging as a strategy for enhancing learning in nurse education due to the promotion of individual learning as well as learning in teams. OBJECTIVES: In this study we sought to evaluate the use of team-based learning in the teaching of applied pathophysiology to undergraduate student nurses. DESIGN: A mixed methods observational study. METHODS: In a year two, undergraduate nursing applied pathophysiology module circulatory shock was taught using Team-based Learning while all remaining topics were taught using traditional lectures. After the Team based Learning intervention the students were invited to complete the Team-based Learning Student Assessment Instrument, which measures accountability, preference and satisfaction with Team-based Learning. Students were also invited to focus group discussions to gain a more thorough understanding of their experience with Team-based Learning. Exam scores for answers to questions based on Team-based Learning-taught material were compared with those from lecture-taught material. RESULTS: Of the 197 students enrolled on the module, 167 (85% response rate) returned the instrument, the results from which indicated a favourable experience with Team-based Learning. Most students reported higher accountability (93%) and satisfaction (92%) with Team-based Learning. Lectures that promoted active learning were viewed as an important feature of the university experience which may explain the 76% exhibiting a preference for Team-based Learning. Most students wanted to make a meaningful contribution so as not to let down their team and they saw a clear relevance between the Team-based Learning activities and their own experiences of teamwork in clinical practice. Exam scores on the question related to Team-based Learning-taught material were comparable to those related to lecture-taught material. CONCLUSIONS: Most students had a preference for, and reported higher accountability and satisfaction with Team-based Learning. Through contextualisation and teamwork, Team-based Learning appears to be a strategy that confers strong pedagogical benefits for teaching applied pathophysiology (bioscience) to student nurses. PMID- 29197688 TI - Organizational learning in a college of nursing: A learning history. AB - BACKGROUND: College of nursing leaders can foster organizational learning as a means of achieving their desired organizational outcomes. Organizational learning has not previously been studied in colleges of nursing, leaving college administrators and faculty little guidance as they strive to improve outcomes in their own colleges. OBJECTIVES: The purpose of this study was to discover new insights related to organizational learning in a college of nursing. DESIGN: The learning history method was used to document and describe organizational learning in a college of nursing. SETTING: This study was conducted with a college of nursing situated in a private, religious-based university in the western United States. PARTICIPANTS: Six stakeholders and 16 individuals familiar with the college's history were purposively recruited for this study. Participants included college administrators, faculty, students, alumni, and individuals with university-level responsibilities related to the college. METHODS: Semi structured interviews and college artifacts were used to gather data. Data was reviewed and themes identified through a process called "distillation." FINDINGS: The college's vision, "Learning the Healer's Art" provides purpose and motivation within the college. Four themes provide additional insight into how the college established a learning culture and fosters behavior conducive to organizational learning: (1) Character and Quality, (2) Long-Term Perspective, (3) Collaborative Leadership and Adaptation, and (4) Mentoring. CONCLUSION: College of nursing leaders can foster organizational learning and pursue improvement within their colleges. Recommended actions include developing a shared vision for the college, building a cadre of qualified faculty and students who have strong personal character, maintaining a long-term perspective, using a collaborative approach to leadership and adaptation, and facilitating mentoring. PMID- 29197689 TI - Action research and millennials: Improving pedagogical approaches to encourage critical thinking. AB - BACKGROUND: This article examines the effects of intergenerational diversity on pedagogical practice in nursing education. While generational cohorts are not entirely homogenous, certain generational features do emerge. These features may require alternative approaches in educational design in order to maximize learning for millennial students. METHOD: Action research is employed with undergraduate millennial nursing students (n=161) who are co-researchers in that they are asked for changes in current simulation environments which will improve their learning in the areas of knowledge acquisition, skill development, critical thinking, and communication. These changes are put into place and a re-evaluation of the effectiveness of simulation progresses through three action cycles. RESULTS: Millennials, due to a tendency for risk aversion, may gravitate towards more supportive learning environments which allow for free access to educators. This tendency is mitigated by the educator modeling expected behaviors, followed by student opportunity to repeat the behavior. Millennials tend to prefer to work in teams, see tangible improvement, and employ strategies to improve inter professional communication. CONCLUSION: This research highlights the need for nurse educators working in simulation to engage in critical discourse regarding the adequacy and effectiveness of current pedagogy informing simulation design. Pedagogical approaches which maximize repetition, modeling, immersive feedback, and effective communication tend to be favored by millennial students. PMID- 29197690 TI - The first clinical practice experiences of psychiatric nursing students: A phenomenological study. AB - OBJECTIVE: The purpose of this study was to evaluate student nurses clinical experiences during their first clinical contacts with psychiatric patients by using a qualitative phenomenological approach. DESIGN: A phenomenological approach was used. Face-to-face interviews were conducted to collect data focusing on the reality of student nurses' experience. SETTINGS: This study was conducted at a university in the capital city of Turkey. PARTICIPANTS: The participants were undergraduate nursing students. A purposive sampling of 15 students who had completed their first psychiatric clinical practicum was used in this study. METHODS: The data were collected by using unstructured interviews. The data were analysed by using Colaizzi's seven-step phenomenological method. RESULTS: Four themes were identified: theoretical information insufficient to break the stigma; breaking down the mental illness stigma; communication: the medication of mental illness; and personal development. CONCLUSION: At the end of clinical practice, stigma towards mental illness was reduced with empathy through the development of therapeutic relationships. The students stated that communication had a very important place in the treatment of mental illnesses and that psychiatric clinical practice helped them develop interpersonal relations. The results of this study can provide guidance for educators on the planning and development of clinical education. PMID- 29197691 TI - Cross or wait? Pedestrian decision making during clearance phase at signalized intersections. AB - Pedestrians arriving at clearance phase (Flashing Don't Walk) face different levels of risk depending on behavioral choice afterwards. However, few studies have focused on the choices pedestrians make during this phase. This field study analyzed pedestrian choices after arrival, evaluated safety of the choices, and built a model to identify the predictors of pedestrian choices. It was found that pedestrians arriving during clearance phase made dynamic decisions based on the changing contexts. Specifically, the majority made the decision to "cross" as opposed to "wait" (85.2% vs. 14.8% respectively), although only the latter choice is legal. Seventy-nine percent of the pedestrians did not finish crossing the intersection before the traffic light turned red, and they walked 41% of the road width during a red light. For those waited, roughly half of them waited until green or crossed at an intersecting crosswalk, while others finally started on red light. Nevertheless, the waited pedestrians still faced lower risk than those crossed prematurely in terms of running behaviors, and conflicts with vehicles. Pedestrians are more likely to cross immediately after arrival when they are younger, are not engaged in secondary tasks, arrived at a position farther from approaching vehicles at the near side of the road, or arrived at a time when there are more pedestrians crossing the road. Although fewer pedestrians choose to cross when the required speed is higher (due to a wider road or less remaining time), the required speed they choose to cross at is far higher than their actual speed. These findings are essential for realistic pedestrian simulations and targeted safety countermeasures. They also imply the need for changes to certain traffic regulations and signal design to facilitate safe decision making at clearance phase. PMID- 29197692 TI - Linking mind wandering tendency to risky driving in young male drivers. AB - Risky driving is a significant contributor to road traffic crashes, especially in young drivers. Transient mind wandering states, an internal form of distraction, are associated with faster driving, reduced headway distance, slower response times, reduced driver vigilance, and increased crash risk. It is unclear whether a trait tendency to mind wander predicts risky driving, however. Mind wandering is also associated with poor executive control, but whether this capacity moderates the putative link between mind wandering tendency and risky driving is uncertain. The present study tested whether mind wandering tendency predicts risky driving behaviour in young male drivers aged 18-21 (N=30) and whether this relationship is mediated by driver vigilance and moderated by executive control capacity. Mind wandering was measured with the Sustained Attention to Response Task (SART) and the Daydreaming Frequency Scale (DDFS). Risky driving was assessed by mean speed in a driving simulator and driver vigilance was quantified by horizontal eye movements measured with eye tracking. Results showed that greater mind wandering tendency based on SART performance significantly predicts faster mean speed, confirming the main hypothesis. Neither driver vigilance mediated nor executive control capacity moderated this relationship as hypothesized. These findings speak to the complexity of individual differences in mind wandering. Overall, mind wandering tendency is a significant marker of risky driving in young drivers, which could guide the development of targeted interventions. PMID- 29197693 TI - Longitudinal safety evaluation of electric vehicles with the partial wireless charging lane on freeways. AB - As an environment friendly transportation mode, the electric vehicle (EV) has drawn an increasing amount of attention from governments, vehicle manufactories and researchers recently. One of the biggest issue impeding EV's popularization associates with the charging process. The wireless charging lane (WCL) has been proposed as a convenient charging facility for EVs. Due to the high costs, the application of WCL on the entire freeways is impractical in the near future, while the partial WCL (PWCL) may be a feasible solution. This study aims to evaluate longitudinal safety of EVs with PWCL on freeways based on simulations. The simulation experiments are firstly designed, including deployment of PWCL on freeways and distribution of state of charge (SOC) of EVs. Then, a vehicle behavior model for EVs is proposed based on the intelligent driver model (IDM). Two surrogate safety measures, derived from time-to-collision (TTC), are utilized as indicators for safety evaluations. Sensitivity analysis is also conducted for related factors. Results show that the distribution of EVs' SOC significantly affect longitudinal safety when the PWCL is utilized. The low SOC in traffic consisting of EVs has the negative effect on longitudinal safety. The randomness and incompliance of EV drivers worsens the safety performance. The sensitivity analysis indicates that the larger maximum deceleration rate results in the higher longitudinal crash risks of EVs, while the length of PWCL has no monotonous effect. Different TTC thresholds also show no impact on results. A case study shows the consistent results. Based on the findings, several suggestions are discussed for EVs' safety improvement. Results of this study provide useful information for freeway safety when EVs are applied in the future. PMID- 29197694 TI - Experimental investigation of a metasurface resonator for in vivo imaging at 1.5 T. AB - In this work, we experimentally demonstrate an increase in the local transmit efficiency of a 1.5 T MRI scanner by using a metasurface formed by an array of brass wires embedded in a high permittivity low loss medium. Placement of such a structure inside the scanner results in strong coupling of the radiofrequency field produced by the body coil with the lowest frequency electromagnetic eigenmode of the metasurface. This leads to spatial redistribution of the near fields with enhancement of the local magnetic field and an increase in the transmit efficiency per square root maximum specific absorption rate in the region-of-interest. We have investigated this structure in vivo and achieved a factor of 3.3 enhancement in the local radiofrequency transmit efficiency. PMID- 29197695 TI - Probing numerical Laplace inversion methods for two and three-site molecular exchange between interconnected pore structures. AB - Two-dimension (2D) Nuclear Magnetic Resonance relaxometry experiments are a powerful tool extensively used to probe the interaction among different pore structures, mostly in inorganic systems. The analysis of the collected experimental data generally consists of a 2D numerical inversion of time-domain data where T2-T2 maps are generated. Through the years, different algorithms for the numerical inversion have been proposed. In this paper, two different algorithms for numerical inversion are tested and compared under different conditions of exchange dynamics; the method based on Butler-Reeds-Dawson (BRD) algorithm and the fast-iterative shrinkage-thresholding algorithm (FISTA) method. By constructing a theoretical model, the algorithms were tested for a two- and three-site porous media, varying the exchange rates parameters, the pore sizes and the signal to noise ratio. In order to test the methods under realistic experimental conditions, a challenging organic system was chosen. The molecular exchange rates of water confined in hierarchical porous polymeric networks were obtained, for a two- and three-site porous media. Data processed with the BRD method was found to be accurate only under certain conditions of the exchange parameters, while data processed with the FISTA method is precise for all the studied parameters, except when SNR conditions are extreme. PMID- 29197696 TI - Small RNA differential expression and regulation in Tuxpeno maize embryogenic callus induction and establishment. AB - Somatic embryogenesis represents an alternative developmental process used to achieve genetic transformation and to approach key questions in maize development. It is known that embryogenic callus induction and plant regeneration are accompanied by microRNA expression changes. However, small RNA (sRNA) populations have not been explored during the proliferative callus subculture establishment and their impact on maintaining the dedifferentiated status and embryogenic potential is far from being completely understood. Here we globally tested the sRNA populations in explants (immature embryos), induced and established maize embryogenic callus from the Mexican cultivar VS-535, Tuxpeno landrace. We detected readjustments in 24 nt and 21-22 nt sRNAs during the embryogenic callus (EC) establishment and maintenance. A follow up on specific microRNAs (miRNAs) indicated that miRNAs related to stress response substantially increase upon the callus proliferation establishment, correlating with a reduction in some of their target levels. On the other hand, while 24 nt-long heterochromatic small interfering RNAs (hc-siRNAs) derived from transposable retroelements transiently decreased in abundance during the EC establishment, a population of 22 nt-hc-siRNAs increased. This was accompanied by reduction in transposon expression in the established callus subcultures. We conclude that stress- and development-related miRNAs are highly expressed upon maize EC callus induction and during maintenance of the subcultures, while miRNAs involved in hormone response only transiently increase during induction. In addition, the establishment of a proliferative status in embryogenic callus is accompanied by important readjustments in hc-siRNAs mapping to long tandem repeat (LTR) retrotransposons, and their expression regulation. PMID- 29197697 TI - The development of a spatial palliative care index instrument for assessing population-level need for palliative care services. AB - We developed an index to measure potential need for palliative care services (PCIX). This is an instrument that enables spatial identification of potential population-level need for palliative care services and can be developed using census data. Four indicators of potential need for palliative care services -age, sex, living arrangement, socio-economic status (SES)-were used to produce composite potential need scores for DAs. Scores were graphically mapped, producing a spatial delineation of relative need for end-of-life services. To assess the benefit of combining multiple variables to define potential need, PCIX resolution was compared to general SES-based delineations of need. PCIX scores and maps were generated for all DAs, revealing spatial variability in potential need for palliative care services (PCS). Comparison of PCIX maps to those based on purely on SES indicated that use of variables specifically linked to palliative need resulted in more precise delineations of potential populations in need of PCS. Using composite scores - based on freely available census data - to spatially assess potential need for palliative care services can provide critical data for decision makers charged with rationalizing service locations and service capacity. PMID- 29197698 TI - Emergence of shared reference and shared minds in infancy. AB - The emergence of a social-interactional 'infrastructure' of communication in infancy has remained underspecified until recently. I argue and show that firstly, the ability for shared reference is firmly established around 12 months of age when infants begin to point, enabling a meeting of shared minds; secondly, interactions entailing different perspectives and minds emerge only thereafter, based on prior interactional experiences; thirdly, the emergence of shared reference is itself mediated by interaction and caregivers' assistance in goal directed activities. Instead of focusing on the infrastructure of shared reference in infancy as a snapshot, I suggest focusing on the process of social and cognitive co-construction in which shared reference is as much a foundation as an ontogenetic outcome of social cognition and interaction. PMID- 29197699 TI - What is unique about shared reality? Insights from a new comparison species. AB - We introduce a new comparison species-domesticated dogs (Canis familaris)-that can shed light on the evolutionary origins of shared reality. Given that dogs share many basic building blocks of shared reality (e.g. representing others' perceptions, emotions, and behaviors) they provide an ideal species for pinpointing unique aspects of shared reality in humans. In particular, current research with dogs underscores two aspects of shared reality that may be special to humans. First, humans may be unique in our tendency to share reality involuntarily. Second, humans may be unique in the extent to which we share reality. Although both humans and dogs share reality in one-on-one interactions, only humans share reality at the more extensive group and cultural level. PMID- 29197700 TI - Romantic relationships as shared reality defense. AB - A model of meaning maintenance in relationships is proposed to explain how relationships function to regulate threats to shared systems of meaning posed by life's capricious and unexpected events. This model assumes that people flexibility compensate for unexpected events in the world by affirming the expected in their relationship and compensate for unexpected events in the relationship by affirming the expected in the world. Supportive evidence is reviewed that reveals how people in more or less satisfying relationships flexibly maintain a sense of life's meaning in the face of unexpected events. PMID- 29197701 TI - The contribution of parental and societal conditional regard to adjustment of high school dropouts. AB - This study examined the contribution of parental conditional regard (PCR) and societal conditional regard (SCR) - divided into positive and negative regard - to high school dropouts' adjustment (i.e., well-being, loneliness, and future orientation) along the different stages of the dropout process. Specifically, the current study focused on dropouts from a traditional community, where dropping out was accompanied by various social repercussions. The study, conducted in Israel among Ultraorthodox Jewish males, included 261 participants, ages 14-21 (M = 17, SD = 1.17), who were at different stages in the dropout process. Structural equation modeling indicated a negative contribution of parental conditional negative regard to adjustment, while societal conditional positive regard made a positive contribution to adjustment. Moreover, dropouts indicated higher parental and societal conditional regard than students at other stages of the dropout process. Findings highlight the importance of SCR and PCR in understanding the adjustment of dropouts in traditional communities. PMID- 29197702 TI - Longitudinal relations between adolescents' materialism and prosocial behavior toward family, friends, and strangers. AB - The present study examines the short-term changes and longitudinal relations between adolescents' materialism and prosocial behavior toward family, friends, and strangers over a year. A total of 434 Chinese adolescents (mean age at Time 1 = 11.27; 54% girls) participated in the two time points. From 6th grade to 7th grade, boys' and girls' materialism increased, whereas their prosocial behavior toward family, friends, and strangers declined, despite the stable trend in boys' prosocial behavior toward strangers. Furthermore, a cross-lagged model was conducted and the results showed that, adolescent materialism was associated longitudinally with decreased prosocial behavior toward friends and strangers, but not toward family. However, earlier prosocial behavior toward family, friends, and strangers were not associated with subsequent adolescent materialism. The findings point toward an understanding of materialism as a precursor rather than an outcome or byproduct to prosocial behavior. PMID- 29197703 TI - Emotional lability and affective synchrony in posttraumatic stress disorder pathology. AB - This study examined the relations of PTSD pathology to both the lability of three specific emotions (anxiety, anger, self-conscious emotions [SCE]) and the extent to which changes in one emotional state co-occur with changes in another emotional state (i.e. affective synchrony). Moreover, given evidence that emotional responding in PTSD may be heightened in response to trauma-related cues, these relations were explored in the context of a trauma cue versus neutral cue. Trauma-exposed patients in residential substance use disorder treatment (N=157) completed a diagnostic interview and two laboratory sessions involving presentation of neutral and individualized trauma scripts. State anxiety, anger, and SCE were assessed at five points throughout each laboratory session. Hierarchical linear modeling indicated that participants (regardless of PTSD status) exhibited greater lability of all emotions following the trauma script versus neutral script. Only anger lability was elevated among those with (versus without) a current PTSD diagnosis following the neutral script. Results also revealed synchrony (i.e., positive covariation) between each possible pair of emotions, regardless of PTSD status. Findings suggest that concurrent changes in anxiety and anger may be especially relevant to PTSD symptom severity. PMID- 29197705 TI - A real-time and registration-free framework for dynamic shape instantiation. AB - Real-time 3D navigation during minimally invasive procedures is an essential yet challenging task, especially when considerable tissue motion is involved. To balance image acquisition speed and resolution, only 2D images or low-resolution 3D volumes can be used clinically. In this paper, a real-time and registration free framework for dynamic shape instantiation, generalizable to multiple anatomical applications, is proposed to instantiate high-resolution 3D shapes of an organ from a single 2D image intra-operatively. Firstly, an approximate optimal scan plane was determined by analyzing the pre-operative 3D statistical shape model (SSM) of the anatomy with sparse principal component analysis (SPCA) and considering practical constraints. Secondly, kernel partial least squares regression (KPLSR) was used to learn the relationship between the pre-operative 3D SSM and a synchronized 2D SSM constructed from 2D images obtained at the approximate optimal scan plane. Finally, the derived relationship was applied to the new intra-operative 2D image obtained at the same scan plane to predict the high-resolution 3D shape intra-operatively. A major feature of the proposed framework is that no extra registration between the pre-operative 3D SSM and the synchronized 2D SSM is required. Detailed validation was performed on studies including the liver and right ventricle (RV) of the heart. The derived results (mean accuracy of 2.19 mm on patients and computation speed of 1 ms) demonstrate its potential clinical value for real-time, high-resolution, dynamic and 3D interventional guidance. PMID- 29197704 TI - Participation in the Supplemental Nutrition Assistance Program and maternal depressive symptoms: Moderation by program perception. AB - RATIONALE: Previous studies have observed an association between participation in the Supplemental Nutrition Assistance Program (SNAP) and depression, which is contrary to SNAP's potential to alleviate food insecurity and financial strain. OBJECTIVE: This study investigated the impact of change in SNAP participation status on maternal depression, and whether perceptions of government assistance moderate this association. METHODS: Data were from the Fragile Families and Child Wellbeing Study (FFCWS). Logistic regression models with individual-specific fixed-effects, were fit to SNAP-eligible mothers who changed SNAP participation and depression status (N = 256) during waves 2 to 4. Perceptions of government assistance were defined as feelings of humiliation or loss of freedom and tested for interactions with SNAP participation. RESULTS: Perceptions of government assistance moderated the association between SNAP participation and depression (p interaction = 0.0208). Those with positive perceptions of welfare had 0.27 (95% CI = 0.08 to 0.89) times lower odds of depression when enrolled vs. not enrolled in SNAP. Among those with negative perceptions of welfare, SNAP enrollment was not associated with depression (OR = 1.13; 95% CI = 0.85 to 1.51). CONCLUSION: Evidence suggests that SNAP mental health benefits may be context specific. SNAP's capacity to improve mental health may depend on individual perceptions of government assistance. More research is needed to determine whether interventions aimed at mitigating negative perceptions of programs like SNAP could ameliorate poor mental health among program participants. PMID- 29197706 TI - Exploring the experiences of neophyte nurse mentors: A qualitative study. AB - Mentoring has become an increasingly popular supportive method for empowering nurses and assisting them to progress in their careers. Evidence from the literature demonstrates that not all experienced and highly qualified nurses are effective mentors. The aim of this study was to explore and describe the experiences of neophyte nurse mentors following their first formal mentoring relationship using a qualitative exploratory design. Data were collected using dual moderated focus group methods. The focus group was digitally recorded and transcribed verbatim. Interviews were analysed using thematic analysis. Six neophyte nurse mentors participated in the focus group. The themes identified included (1) Readiness for mentoring, (2) Venturing into the unknown, (3) Having the right fit (4) Frustrations of mentoring (5) Reciprocal professional relationship. The findings highlight how neophyte nurse mentors perceive mentoring and the importance of providing them with adequate preparation and support in order to efficiently transfer valuable knowledge and skills to their mentees. PMID- 29197707 TI - Cancelling pesticide registrations and revoking tolerances: The case of chlorpyrifos. AB - Petitions submitted to the United States Environmental Protection Agency (EPA) have sought to cancel registrations of chlorpyrifos and to revoke chlorpyrifos tolerances in or on food due to adverse health effects on people. Under federal law, tolerances for pesticide chemical residues in or on food must provide with reasonable certainty that no harm will result from a person's aggregate exposure. Petitioners' claims are analyzed under the legal requirements to discern whether the EPA had a rational basis for issuing its 2017 Chlorpyrifos Order denying the requests for cancellation of registrations and revocation of tolerances. The scientific evidence considered by the EPA indicated that existing tolerances do not protect people from unsafe levels of chlorpyrifos. Under the Federal Food, Drug, and Cosmetic Act, tolerances need to be revoked if they do not protect human health. In refusing to recognize that chlorpyrifos tolerances do not comply with federal law, the EPA's 2017 Chlorpyrifos Order appears to be arbitrary and capricious. PMID- 29197708 TI - Mother-infant separation among mothers with mental illness: An exploratory observational study in Japan. AB - Mother-infant separation may influence child development and behavior problems. We reviewed charts for 3639 female patients to investigate rates, reasons, and predictors for mothers with mental illness being separated from their infants during the first year after childbirth in Japan. Of 77 patients with childbirth, 26 cases (34%) presented with maternal separation. The most common reason was psychiatric hospitalization. Diagnoses of schizophrenia spectrum disorders or mood disorders were independent contributors for maternal separation. Clinicians should pay particular attention to relapse or onset of psychotic or mood disorders during the perinatal period. PMID- 29197709 TI - Family history of psychosis and outcome of people with schizophrenia in rural China: 14-year follow-up study. AB - OBJECTIVE: This study examined the differences in 14-year outcomes of persons with schizophrenia with and without family history of psychosis in a rural community in China. METHODS: All participants with schizophrenia (n=510) aged 15 years and older were identified in a 1994 epidemiological investigation of 123,572 people and followed up in 2004 and 2008 in Xinjin County, Chengdu, China. RESULTS: Individuals with positive family history of schizophrenia had significantly younger age of first onset than those with negative family history of schizophrenia in 1994 and 2004. Compared with individuals with negative family history of schizophrenia, those with positive family history of schizophrenia had significantly higher rate of homelessness and lower rate of death due to other reasons in 10-year (2004) and 14-year follow-up (2008). There were no significantly differences of mean scores on PANSS, SDSS and GAF in 2008 between positive and negative family history groups. CONCLUSIONS: The positive family history of schizophrenia is strongly related to younger age of onset, and may predict a poorer long-term outcome (e.g., higher rate of homelessness) in persons with schizophrenia in the rural community. The findings have implications for further studies on specific family-related mechanisms on clinical treatment and rehabilitation, as well as for planning and delivering of community-based mental health services. PMID- 29197710 TI - ECT in Schizophrenia: Does indication affect the outcome? PMID- 29197711 TI - Prevalence of sleep disorders and severity of insomnia in psychiatric outpatients attending a tertiary level mental health care facility in Punjab, India. AB - BACKGROUND: Sleep disorders are frequently associated with psychiatric disorders and can be both cause and effect of the same. AIM: To study the prevalence of sleep disorders and the severity of insomnia in psychiatric outpatients. METHODS: 500 patients were randomly selected using purposive sampling from patients attending a tertiary level mental health care facility were evaluated for the presence of any sleep disorder along with their sleep quality. In patients having insomnia, severity of the same was determined. RESULTS: 83.4% of the population had some type of sleep disorder. Symptoms of insomnia were reported by 78.2% of the population and 29.2% had moderate to severe insomnia. 78.4% of the population had poor sleep quality. Significant difference was noted among the different psychiatric groups when insomnia severity index (ISI) was compared. In multinomial logistic regression, chance of severe insomnia is more if the diagnosis is depression, but less if mania or ocd, compared to psychosis. CONCLUSION: This study was the first in India to assess the prevalence of sleep disorders in psychiatric outpatients. Our study underscores the importance of careful evaluation of sleep problems for proper management of the patients. PMID- 29197712 TI - Radiotherapy-induced reactivation of neurotrophic human herpes viruses: Overview and management. AB - PURPOSE: Infection by Human Herpes Viruses (HHV) types 1-3, are prevalent throughout the world. It is known that radiotherapy can reactivate HHVs, but it is unclear how and to what extent reactivations can interact with or affect radiotherapeutic efficacy, patient outcomes and mortality risk. Herein, we aim to summarize what is known about Herpes Simplex Virus (HSV)-1,2 and Varicella Zoster Virus (VZV) pathophysiology as it relates to tumor biology, radiotherapy, chemo radiotherapy, diagnosis and management so as to optimize cancer treatment in the setting of active HHV infection. Our secondary aim is to emphasize the need for further research to elucidate the potential adverse effects of active HHV infection in irradiated tumor tissue and to design optimal management strategies to incorporate into cancer management guidelines. MATERIALS AND METHODS: The literature regarding herpetic infection, herpetic reactivation, and recurrence occurring during radiotherapy and that regarding treatment guidelines for herpetic infections are reviewed. We aim to provide the oncologist with a reference for the infectious dangers of herpetic reactivation in patients under their care and well established methods for prevention, diagnosis, and treatment of such infections. Pain management is also considered. CONCLUSIONS: In the radiotherapeutic setting, serologic assays for HSV-1 and HSV-2 are feasible and can alert the clinician to patients at risk for viral reactivation. RT-PCR is specific in identifying the exact viral culprit and is the preferred diagnostic method to measure interventional efficacy. It can also differentiate between herpetic infection and radionecrosis. The MicroTrak(r) HSV1/HSV2/VZV staining kit has high sensitivity and specificity in acute lesions, is also the most rapid means to confirm diagnosis. Herpetic reactivation and recurrences during radiotherapy can cause interruptions, cessations, or prolongations of the radiotherapeutic course, thus decreasing the biologically effective dose, to sub therapeutic levels. Active HHV infection within the treatment volume results in increased tumor radio-resistance and potentially sub-therapeutic care if left untreated. Visceral reactivations may result in fatality and therefore, a high index of suspicion is important to identify these active infections. The fact that such infections may be mistaken for acute and/or late radiation effects, leading to less than optimal treatment decisions, makes knowledge of this problem even more relevant. To minimize the risk of these sequelae, prompt anti-viral therapy is recommended, lasting the course of radiotherapy. PMID- 29197713 TI - Development of a simultaneous identification method for 13 animal species using two multiplex real-time PCR assays and melting curve analysis. AB - We developed a simple and rapid method for animal species identification in the forensic science field based on mitochondrial DNA using two multiplex real-time PCRs and analysis of the resultant SYBR Green I melting curves. This method was designed to identify nine domestic animals simultaneously (dog, cat, rabbit, cattle, pig, chicken, goat, sheep and horse) and four wild animals (deer, raccoon dog, monkey and bear) by comparing the different melting temperatures of the amplicons produced from samples originating from each species. For this analysis, we targeted various mitochondrial genes, including those encoding cytochrome b (cytb), NADH dehydrogenase 5 (ND5), cytochrome c oxidase 3 (COX3), tRNA-ND5, and tRNA-ATP synthase 8 (ATP8). For practical applications, this study presents a validation of this assay including its specificity, sensitivity and robustness. The limits of detection in the multiplex reactions were 10 pg for eight of the nine animals, excluding horse (1 pg for horse). The method was able to correctly identify the animal species from artificial forensic samples including blood stains, saliva, hair and bone, and samples digested in artificial gastric fluid, and for 17 forensic casework samples. The data from the multiplex real-time PCR assays are obtainable only 30 min after DNA extraction of the samples, making the assays useful for screening samples containing DNA from unknown animal origin in the forensic field. PMID- 29197714 TI - Effect of cadmium exposure on hepatopancreas and gills of the estuary mud crab (Scylla paramamosain): Histopathological changes and expression characterization of stress response genes. AB - Cadmium (Cd) is a heavy metal that accumulates easily in organisms and causes several detrimental effects, including tissue damage. Cd contamination from anthropogenic terrestrial sources flows into rivers, and through estuaries to the ocean. To evaluate the toxic effects of Cd on estuary crustaceans, we exposed the mud crab Scylla paramamosain to various Cd concentrations (0, 10.0, 20.0, and 40.0mg/L) for 24h. We also exposed mud crabs to a fixed Cd concentration (20.0mg/L) for various periods of time (0, 6, 12, 24, 48, and 72h). We observed that after exposure to Cd, the surfaces of the gill lamellae were wrinkled, and the morphologies of the nuclei and mitochondria in the hepatopancreas were altered. We analyzed the expression profiles of 36 stress-related genes after Cd exposure, including those encoding metallothioneins, heat shock proteins, apoptosis-related proteins, and antioxidant proteins, with quantitative reverse transcription PCR. We found that exposure to Cd altered gene expression, and that some genes might be suitable bioindicators of Cd stress. Gene expression profiles were organ-, duration-, and concentration-dependent, suggesting that stress response genes might be involved in an innate defense system for handling heavy metal exposure. To the best of our knowledge, this study is the first one of histopathology and stress-response gene expression pattern of Scylla paramamosain after Cd exposure. Our work could increase our understanding of the effect of environmental toxins on estuary crustaceans. PMID- 29197715 TI - End-of-life care of elderly patients with dementia: A cross-sectional study of family carer decision-making. AB - BACKGROUND: Dementia syndromes pose a major worldwide challenge to public health. In terminal stage of dementia, carers are responsible for decision making in end of-life treatment and there may be multiple factors that contribute to the choice of a palliative or invasive treatment. AIM: To identify possible factors that influence the decision-making of family caregivers on implementing invasive or palliative interventions for people with end stage dementia. DESIGN: A structured interview with family caregivers of elderly patients addressing aspects of the following categories: elderly with dementia, caregiver, medical treatment history. Statistical analysis was performed to test whether there was a significant association between the carer's decision (invasive or palliative treatment) and the collected variables. SETTINGAND PARTICIPANTS: The study was conducted in three hospitals in Brazil. Participants were family caregivers of inpatients with end stage dementia RESULTS: Most of caregivers chose not to perform invasive procedures. The factors with the greatest association with the decision for invasive care were: elderly with tracheostomy, dementia diagnosis for less than 2 years, caregiver's age less than 50 years, history of hospital admission in the last year, affirmation that interviewee would be surprised with the death of the elderly within 1year and the denial that health care team has already explained about treatment options. CONCLUSION: There were identified several factors related to the carer, the elderly person and their medical treatment that may influence the choice between palliative and invasive care for the elderly person with dementia. PMID- 29197716 TI - Understanding organization transformation in evaluation and program planning. AB - Organization transformation is an increasingly important concept and process in human service organizations as they adapt to rapidly changing challenges and opportunities to enhance their effectiveness, efficiency, and sustainability. This article describes a four-component organization transformation model that incorporates transformation pillars, transformation strategies, organization capacity, and organization outputs and outcomes. The article includes examples of the model's use, and concludes with a discussion of valuable lessons learned to date. PMID- 29197717 TI - Inferring Chinese surnames with Y-STR profiles. AB - Co-ancestry of human surnames and Y-chromosomes in most human populations and social groups suggests the possibility of inferring one from the other. However, such an intuitive perspective remains to be formally explored. In the present study, we develop two computational methods, based on cosine distance (dcos) and coalescence distance (dcoal) respectively, to infer surnames from Y-STR profiles. We also survey Y-STR variations at 15 loci for 19,009 individuals of Shandong Province in China. For a total of 266 surnames included in the data set, our methods can pinpoint to a single surname with an average accuracy of 65%, and with an average accuracy higher than 80% when providing >4 candidate surnames. We also demonstrate that increasing the sample size of surnames and the number of STR loci improves the accuracy of surname inference. Our results indicate that the 15 non-duplicated Y-STR loci contain information from which surname can be reliably inferred for Chinese populations, showing a promising application in forensics. PMID- 29197718 TI - The mechanisms of K. lactis Cdc13 in telomere DNA-binding and telomerase regulation. AB - Eukaryotic chromosome ends, or telomeres, are essential for genome stability and are protected by an intricate nucleoprotein assembly. Cdc13, the major single strand telomere-binding protein in budding yeasts, mediates critical functions in both telomere protection and telomere elongation by telomerase. In particular, the interaction between S. cerevisiae Cdc13 and telomerase subunit Est1 has long served as a paradigm for telomerase regulation. However, despite extensive investigations, the role of this interaction in regulating telomerase recruitment or activation remains controversial. In addition, budding yeast telomere repeat sequences are extraordinarily variable and how Cdc13 orthologs recognize diverse repeats is not well understood. In this report, we examined these issues using an alternative model, K. lactis. We reconstituted a direct physical interaction between purified K. lactis Cdc13 and Est1, and by analyzing point mutations, we demonstrated a close correspondence between telomere maintenance defects in vivo and Cdc13-Est1 binding defects in vitro, thus supporting a purely recruitment function for this interaction in K. lactis. Because mutations in well aligned residues of Cdc13 and Est1 in S. cerevisiae and K. lactis do not cause identical defects, our results also point to significant evolutionary divergence in the Cdc13-Est1 interface. In addition, we found that K. lactic Cdc13, unlike previously characterized orthologs, recognizes an unusually long and non-G-rich target sequence, underscoring the flexibility of the Cdc13 DNA-binding domain. Analysis of K. lactis Cdc13 and Est1 thus broadens understanding of telomere and telomerase regulation in budding yeast. PMID- 29197719 TI - Functional diversification upon leader protease domain duplication in the Citrus tristeza virus genome: Role of RNA sequences and the encoded proteins. AB - Viruses from the family Closteroviridae show an example of intra-genome duplications of more than one gene. In addition to the hallmark coat protein gene duplication, several members possess a tandem duplication of papain-like leader proteases. In this study, we demonstrate that domains encoding the L1 and L2 proteases in the Citrus tristeza virus genome underwent a significant functional divergence at the RNA and protein levels. We show that the L1 protease is crucial for viral accumulation and establishment of initial infection, whereas its coding region is vital for virus transport. On the other hand, the second protease is indispensable for virus infection of its natural citrus host, suggesting that L2 has evolved an important adaptive function that mediates virus interaction with the woody host. PMID- 29197720 TI - ZikaBase: An integrated ZIKV- Human Interactome Map database. AB - Re-emergence of ZIKV has caused infections in more than 1.5 million people. The molecular mechanism and pathogenesis of ZIKV is not well explored due to unavailability of adequate model and lack of publically accessible resources to provide information of ZIKV-Human protein interactome map till today. This study made an attempt to curate the ZIKV-Human interaction proteins from published literatures and RNA-Seq data. 11 direct interaction, 12 associated genes are retrieved from literatures and 3742 Differentially Expressed Genes (DEGs) are obtained from RNA-Seq analysis. The genes have been analyzed to construct the ZIKV-Human Interactome Map. The importance of the study has been illustrated by the enrichment analysis and observed that direct interaction and associated genes are enriched in viral entry into host cell. Also, ZIKV infection modulates 32% signal and 27% immune system pathways. The integrated database, ZikaBase has been developed to help the virology research community and accessible at https://test5.bicpu.edu.in. PMID- 29197721 TI - Comparative evaluation of three capripoxvirus-vectored peste des petits ruminants vaccines. AB - Sheep and goat pox (SGP) with peste des petits ruminants (PPR) are transboundary viral diseases of small ruminants that cause huge economic losses. Recombinant vaccines that can protect from both infections have been reported as a promising solution for the future. SGP was used as a vector to express two structural proteins hemagglutinin or the fusion protein of PPRV. We compared immunity conferred by recombinant capripoxvirus vaccines expressing H or F or both HF. Safety and efficacy were evaluated in goats and sheep. Two vaccine doses were tested in sheep, 104.5TCDI50 in 1ml dose was retained for the further experiment. Results showed that the recombinant HF confers an earlier and stronger immunity against both SGP and PPR. This recombinant vaccine protect also against the disease in exposed and unexposed sheep. The potential Differentiating Infected from Vaccinated Animals of recombinant vaccines is of great advantage in any eradication program. PMID- 29197722 TI - Tracking internet interest in anabolic-androgenic steroids using Google Trends. PMID- 29197723 TI - The flavonoid quercetin inhibits titanium dioxide (TiO2)-induced chronic arthritis in mice. AB - Titanium dioxide (TiO2) is a common component of orthopedic prosthesis. However, prosthesis wear releases TiO2, which induces inflammation and osteolysis in peri prosthetic tissues. Quercetin is a flavonoid widely present in human diet, which presents biological activities such as antinociceptive, anti-inflammatory and antioxidant effects. Therefore, the effect of intraperitoneal treatment with quercetin in TiO2-induced arthritis model was evaluated. In the first set of experiments, mice received injection of TiO2 (0.1-3 mg/knee joint) and articular mechanical hyperalgesia, edema and histopathology analysis were performed in a 30 days protocol. The dose of 3 mg of TiO2 showed the most harmful effect, and was chosen to the following experiments. Subsequently, mice received 3 mg of TiO2 followed by post-treatment with quercetin during 30 days. Quercetin (10-100 mg/kg) inhibited in a dose-dependent manner TiO2-induced knee joint mechanical hyperalgesia, edema and leukocyte recruitment and did not induce damage in major organs such as liver, kidney and stomach. The dose of 30 mg/kg was chosen for the subsequent analysis, and reduced histopathological changes such as leukocyte infiltration, vascular proliferation and synovial hyperplasia (pannus formation) on day 30 after TiO2 challenge. The protective analgesic and anti-inflammatory mechanisms of quercetin included the inhibition of TiO2-induced neutrophil and macrophage recruitment, proteoglycan degradation, oxidative stress, cytokine production (TNF-alpha, IL-1beta, IL-6, and IL-10), COX-2 mRNA expression, and bone resorption as well as activation of Nrf2/HO-1 signaling pathway. These results demonstrate the potential therapeutic applicability of the dietary flavonoid quercetin to reduce pain and inflammatory damages associated with prosthesis wear process-induced arthritis. PMID- 29197724 TI - Follicular response and oocyte production following variations in ovarian stimulation in goats. AB - In this study, goats were subjected to ovarian stimulation protocols to evaluate possible differences in ovarian follicular responses and oocyte production. Two experiments were conducted to assess the effects of hormonal protocol duration (seven or twelve days) and number of follicle stimulating hormone (FSH) applications (one or five doses). All animals received intravaginal sponges saturated with 60 mg medroxyprogesterone acetate and an application of 125 MUg cloprostenol 72 h before the sponges were removed. For ovarian stimulation, 120 mg FSH was applied in a single dose 36 h before laparoscopic follicular aspiration (LOPU) or in five doses (30, 30, 20, 20, and 20 mg) at 12 h intervals, with the last dose applied 36 h before LOPU. In the first experimental phase, ultrasonography was performed to monitor follicular number and diameter, and in the second phase, the animals received LOPU to count the follicles and cumulus oocyte complexes (COCs) and for morphological classification. There was no significant effect (P > 0.05) of any variable or combination of variables on follicle number on Day (D) 0 or D3/D8 (day of LOPU). However, evaluation at D6/D11 revealed an effect (P < 0.05) from the protocol duration with the highest number of small follicles resulting from the short protocol. There was also an effect (P < 0.05) of FSH dose number on the resulting number of medium and large follicles, with more medium follicles recovered after a single dose and more large follicles after multiple doses. There was no effect of any variable (P > 0.05) on the diameters of the large, medium, and small follicles, except for the D4/D9 evaluation, which showed a combination effect for large follicles (P < 0.05). In the second phase, no variable had an effect on the number of follicles visualized or aspirated, number of COCs recovered, recovery rate, morphological quality of COCs in grades 1, 2, 3, and 4, or rate of viable COCs. Thus, all four protocols efficiently stimulated the ovarian response and oocyte production of goats, although the short protocol (7 days) with a single dose of FSH was most efficacious based upon the greater number of medium-sized follicles available for aspiration, the shorter time, and greater practicality of execution. PMID- 29197725 TI - Exploring the selectivity of inhibitor complexes with Bcl-2 and Bcl-XL: A molecular dynamics simulation approach. AB - B-cell lymphoma 2 (Bcl-2) family proteins are potential drug targets in cancer and have a relatively flat and flexible binding site. ABT-199 is one of the most promising selective Bcl-2 inhibitors, and A-1155463 selectively inhibits Bcl-XL. Although the amino acid sequences of the binding sites of these two inhibitors are similar, the inhibitors selectively bind the target protein. In order to determine the origin of the selectivity of these inhibitors, we conducted molecular dynamics simulations using protein-inhibitor modeling. We confirmed that ASP103 of Bcl-2 is a key residue and that hydrogen bonding between ASP103 and ABT-199 confers the Bcl-2 selectivity of this inhibitor. For Bcl-XL selectivity, the secondary structure of alpha-helix 3 is a key factor. PHE105, SER106, and LEU108 in the loose alpha-helix 3 interact with A-1155463 to confer Bcl-XL selectivity. These findings provide important insights into the molecular mechanisms of selective inhibitors of Bcl-2 family proteins. PMID- 29197726 TI - The neural signature of self-concept development in adolescence: The role of domain and valence distinctions. AB - Neuroimaging studies in adults showed that cortical midline regions including medial prefrontal cortex (mPFC) and posterior parietal cortex (PPC) are important in self-evaluations. The goals of this study were to investigate the contribution of these regions to self-evaluations in late childhood, adolescence, and early adulthood, and to examine whether these differed per domain (academic, physical and prosocial) and valence (positive versus negative). Also, we tested whether this activation changes across adolescence. For this purpose, participants between ages 11-21-years (N = 150) evaluated themselves on trait sentences in an fMRI session. Behaviorally, adolescents rated their academic traits less positively than children and young adults. The neural analyses showed that evaluating self-traits versus a control condition was associated with increased activity in mPFC (domain-general effect), and positive traits were associated with increased activity in ventral mPFC (valence effect). Self-related mPFC activation increased linearly with age, but only for evaluating physical traits. Furthermore, an adolescent-specific decrease in striatum activation for positive self traits was found. Finally, we found domain-specific neural activity for evaluating traits in physical (dorsolateral PFC, dorsal mPFC) and academic (PPC) domains. Together, these results highlight the importance of domain distinctions when studying self-concept development in late childhood, adolescence, and early adulthood. PMID- 29197727 TI - Development of face recognition: Dynamic causal modelling of MEG data. AB - Electrophysiological studies of adults indicate that brain activity is enhanced during viewing of repeated faces, at a latency of about 250 ms after the onset of the face (M250/N250). The present study aimed to determine if this effect was also present in preschool-aged children, whose brain activity was measured in a custom-sized pediatric MEG system. The results showed that, unlike adults, face repetition did not show any significant modulation of M250 amplitude in children; however children's M250 latencies were significantly faster for repeated than non repeated faces. Dynamic causal modelling (DCM) of the M250 in both age groups tested the effects of face repetition within the core face network including the occipital face area (OFA), the fusiform face area (FFA), and the superior temporal sulcus (STS). DCM revealed that repetition of identical faces altered both forward and backward connections in children and adults; however the modulations involved inputs to both FFA and OFA in adults but only to OFA in children. These findings suggest that the amplitude-insensitivity of the immature M250 may be due to a weaker connection between the FFA and lower visual areas. PMID- 29197728 TI - Disulfiram as a novel inactivator of Giardia lamblia triosephosphate isomerase with antigiardial potential. AB - Giardiasis, the infestation of the intestinal tract by Giardia lamblia, is one of the most prevalent parasitosis worldwide. Even though effective therapies exist for it, the problems associated with its use indicate that new therapeutic options are needed. It has been shown that disulfiram eradicates trophozoites in vitro and is effective in vivo in a murine model of giardiasis; disulfiram inactivation of carbamate kinase by chemical modification of an active site cysteine has been proposed as the drug mechanism of action. The triosephosphate isomerase from G. lamblia (GlTIM) has been proposed as a plausible target for the development of novel antigiardial pharmacotherapies, and chemical modification of its cysteine 222 (C222) by thiol-reactive compounds is evidenced to inactivate the enzyme. Since disulfiram is a cysteine modifying agent and GlTIM can be inactivated by modification of C222, in this work we tested the effect of disulfiram over the recombinant and trophozoite-endogenous GlTIM. The results show that disulfiram inactivates GlTIM by modification of its C222. The inactivation is species-specific since disulfiram does not affect the human homologue enzyme. Disulfiram inactivation induces only minor conformational changes in the enzyme, but substantially decreases its stability. Recombinant and endogenous GlTIM inactivates similarly, indicating that the recombinant protein resembles the natural enzyme. Disulfiram induces loss of trophozoites viability and inactivation of intracellular GlTIM at similar rates, suggesting that both processes may be related. It is plausible that the giardicidal effect of disulfiram involves the inactivation of more than a single enzyme, thus increasing its potential for repurposing it as an antigiardial drug. PMID- 29197729 TI - Targeting tubulin polymerization by novel 7-aryl-pyrroloquinolinones: Synthesis, biological activity and SARs. AB - Earlier studies had confirmed that the 7-phenylpyrroloquinolinone (7-PPyQ) nucleus was an important scaffold for new chemotherapeutic drugs targeting microtubules. For wide-ranging SARs, a series of derivatives were synthesized through a robust procedure. For comparison with the reference 3-ethyl-7-PPyQ 31, the angular geometry and substituents at the 3 and 7 positions were varied to explore interactions inside the colchicine site of tubulin. Of the new compounds synthesized, potent cytotoxicity (low and sub-nanomolar GI50 values) was observed with 21 and 24, both more potent than 31, in both leukemic and solid tumor cell lines. Neither compound 21 nor 24 induced significant cell death in normal human lymphocytes, suggesting that the compounds may be selectively active against cancer cells. In particular, 24 was a potent inducer of apoptosis in the A549 and HeLa cell lines. With both compounds, induction of apoptosis was associated with dissipation of the mitochondrial transmembrane potential and production of reactive oxygen species, indicating that cells treated with the compounds followed the intrinsic pathway of apoptosis. Moreover, immunoblot analysis revealed that compound 24 even at 50 nM reduced the expression of anti-apoptotic proteins such as Bcl-2 and Mcl-1. Finally, molecular docking studies of the newly synthesized compounds demonstrate that active pyrroloquinolinone derivatives strongly bind in the colchicine site of beta-tubulin. PMID- 29197730 TI - Platanic acid: A new scaffold for the synthesis of cytotoxic agents. AB - Thirty-seven different derivatives (2-38) have been prepared from platanic acid, a natural occurring triterpenoid. Main emphasis was the introduction of several N containing functional groups such as amines, amides and oximes and their screening for cytotoxic activity employing several human tumor cell lines using SRB assays. In these SRB assays, nearly all compounds showed good cytotoxicity for these human tumor cell lines. Two compounds (17 and 38), however, were submitted to extended biological testing and investigated with respect to their mode of action using fluorescence microscopy and FACS analysis. Compound 17, a methyl (3beta, 20R) 3-acetyloxy-20-amino-30-norlupan-28-oate, induced apoptosis in A2780 ovarian carcinoma cells. PMID- 29197731 TI - Synthesis and antiproliferative activity of pyrrolo[2,3-b]pyridine derivatives bearing the 1,8-naphthyridin-2-one moiety. AB - A series of pyrrolo[2,3-b]pyridine derivatives bearing the 1,8-naphthyridin-2-one moiety were synthesized, and evaluated for their antiproliferative activity against four cancer cell lines (HT-29, A549, H460, and U87MG) and six tyrosine kinases (c-Met, Flt-3, PDGFR-beta, VEGFR-2, EGFR, and c-Kit) inhibitory activities in vitro. Most compounds showed moderate to excellent potency, with the most promising analogue 32 showing Flt-3/c-Met IC50 value of 1.16/1.92 nM. Structure-activity relationship studies indicated that the hydrogen atom served as R1 group was benefited to the potency, and mono-electron-withdrawing groups (mono-EWGs) on the phenyl ring (such as R3 = 4-F) showed a higher preference for antiproliferative activity. PMID- 29197732 TI - Inhibitory effects and structural insights for a novel series of coumarin-based compounds that selectively target human CA IX and CA XII carbonic anhydrases. AB - Coumarin derivatives are a peculiar class of inhibitors of the family of metalloenzymes carbonic anhydrases (CA, EC 4.2.1.1). Several coumarins display higher affinity and selectivity toward most relevant and druggable CA isoforms. By decorating the natural compound umbelliferone (1) we have identified a new series of coumarin-based compounds demonstrating high CA inhibitory effects with nanomolar affinity for hCA IX and hCA XII isoforms that were considered a target amenable to develop antitumor agents. The most active tested compounds proved to be potent inhibitors with Ki values equal to that of the well-known inhibitor acetazolamide (AAZ), that lacks selectivity over ubiquitous hCA I and hCA II. As suggested by docking studies the coumarins, that are lacking of the canonical metal binding groups, do not interact with Zinc ion within the catalytic site as found for classical sulfonamide type inhibitors of CAs. Thus, the studied inhibitors might possess a non-classical inhibitory mode of action preventing the carbon dioxide to entry into catalytic cavity and its conversion into bicarbonate ion. Specifically, the most active inhibitor of hCA XII compound 18i (Ki value of 5.5 nM) and its supposed hydrolytic products could establish a web of H-bond interactions within the enzymatic cavity. PMID- 29197734 TI - Regio- and stereoselective synthesis of dispirooxindole-pyrrolocarbazole hybrids via 1,3-dipolar cycloaddition reactions: Cytotoxic activity and SAR studies. AB - A library of novel dispiro compounds containing oxindole-pyrrolo-carbazole hybrid frame works has been synthesized in a fully regio- and stereoselective fashion by the three-component 1,3-dipolar cycloaddition of azomethineylides generated in situ from the condensation of isatins and benzylamine with 2 arylidene/heteroarylidene-2,3,4,9-tetrahydro-1H-carbazole-1-one. The structures of the compounds were established by FT-IR, 1H NMR, 13C NMR, X-ray diffraction and elemental analysis. The synthesized dispiro heterocycles have been screened for in vitro cytotoxic activity by MTT assay and displayed enviable growth inhibition on both the cancer cell lines i.e. breast cancer cell line MCF-7 and lung cancer cell line A-549. Morphological changes and apoptosis induction have been studied by inverted light microscopic, fluorescent microscopic techniques and by flow cytometry analyses. The preliminary structure activity relationships were also carried out. Data indicated that among dispiro-carbazole compounds,6 chloro-4'-(thiophen-2-yl)-5'-phenyl-3,4-dihydrodispiro[carbazole-2,3'-pyrrolo 2',3"-indole]-9(H)-1,2"-dione 7e could be exploited as a significant therapeutic drug against breast cancer as well as lung cancer cell proliferation. PMID- 29197733 TI - Synthesis and biological evaluation of some novel diastereoselective benzothiazole beta-lactam conjugates. AB - Highly diastereoselective synthesis of some novel benzothiazole-substituted beta lactam hybrids was achieved starting from (benzo[d]thiazol-2-yl)phenol as an available precursor. This is the first time (benzo[d]thiazol-2-yl)phenoxyacetic acid has been used as ketene source in synthesizing monocyclic 2-azetidinones. These compounds were evaluated for their antimicrobial activities against a large panel of Gram-positive and Gram-negative bacterial strains and moderate activities were encountered. Antimalarial data revealed that adding methoxyphenyl or ethoxyphenyl group on the beta-lactam ring makes compounds that are more potent. Moreover, hemolytic activity and mammalian cell toxicity survey of the compounds showed their potential as a medicine. PMID- 29197735 TI - Novel triazine dimers with potent antitrypanosomal activity. AB - Human African trypanosomiasis (HAT), also known as sleeping sickness is a parasitic disease transmitted by the bite of the 'Glossina' insect, commonly known as the tsetse fly. This disease affects mostly poor populations living in remote rural areas of Africa. Untreated, it is usually fatal. Currently, safe and effective treatments against this disease are lacking. Phenotypic screening of triazine non-nucleoside HIV-1 reverse transcriptase inhibitors (monomers) resulted in potent and selective antitrypanosomal compounds. This serendipitous discovery and the presence of dimers in many compounds active against these neglected tropical diseases prompted us to investigate antitrypanosomal activity of triazine dimers. Optimization of the triazine dimers resulted in 3,3' (((ethane-1,2-diylbis(azanediyl))bis(4-(mesityloxy)-1,3,5-triazine-6,2 diyl))bis(azanediyl))dibenzonitrile (compound 38), a compound with very potent in vitro and moderate in vivo antitrypanosomal activity. PMID- 29197737 TI - Mid-infrared pulsed laser ultrasonic testing for carbon fiber reinforced plastics. AB - Laser ultrasonic testing (LUT) can realize contactless and instantaneous non destructive testing, but its signal-to-noise ratio must be improved in order to measure carbon fiber reinforced plastics (CFRPs). We have developed a mid infrared (mid-IR) laser source optimal for generating ultrasonic waves in CFRPs by using a wavelength conversion device based on an optical parametric oscillator. This paper reports a comparison of the ultrasonic generation behavior between the mid-IR laser and the Nd:YAG laser. The mid-IR laser generated a significantly larger ultrasonic amplitude in CFRP laminates than a conventional Nd:YAG laser. In addition, our study revealed that the surface epoxy matrix of CFRPs plays an important role in laser ultrasonic generation. PMID- 29197736 TI - Abnormal cortical neural synchrony during working memory in schizophrenia. AB - OBJECTIVE: To better understand the origins of working memory (WM) impairment in schizophrenia we investigated cortical oscillatory activity in people with schizophrenia (PSZ) while they performed a WM task requiring encoding, maintenance, and retrieval/manipulation processes of spatial information. METHODS: We examined time-frequency synchronous energy of cortical source signals that were derived from magnetoencephalography (MEG) localized to cortical regions using WM-related hemodynamic responses and individualized structural head-models. RESULTS: Compared to thirteen healthy controls (HC), twelve PSZ showed performance deficits regardless of WM-load or duration. During encoding, PSZ had early theta and delta event-related synchrony (ERS) deficits in prefrontal and visual cortices which worsened with greater memory load and predicted WM performance. During prolonged maintenance of material, PSZ showed deficient beta event-related desynchrony (ERD) in dorsolateral prefrontal, posterior parietal, and visual cortices. In retrieval, PSZ showed reduced delta/theta ERS in the anterior prefrontal and ventral visual cortices and diminished gamma ERS in the premotor and posterior parietal cortices. CONCLUSIONS: Although beta/gamma cortical neural oscillatory deficits for maintenance/retrieval are evident during WM, the abnormal prefrontal theta-frequency ERS for encoding is most predictive of poor WM in schizophrenia. SIGNIFICANCE: Time-frequency-spatial analysis identified process- and frequency-specific neural synchrony abnormalities underlying WM deficits in schizophrenia. PMID- 29197738 TI - Efficacy and safety of levomilnacipran, vilazodone and vortioxetine compared with other second-generation antidepressants for major depressive disorder in adults: A systematic review and network meta-analysis. AB - BACKGROUND: Second-generation antidepressants dominate the medical management of major depressive disorder (MDD). Levomilnacipran, vilazodone and vortioxetine are the latest therapeutic options approved for the treatment of MDD. This systematic review aims to compare the benefits and harms of vilazodone, levomilnacipran, and vortioxetine with one another and other second-generation antidepressants. METHODS: We searched electronic databases up to September 2017 and reviewed reference lists and pharmaceutical dossiers to detect published and unpublished studies. Two reviewers independently screened abstracts and full text articles, and rated the risk of bias of included studies. Randomized controlled trials (RCTs) and controlled observational studies including adult outpatients with MDD were eligible for inclusion. We conducted network meta-analyses on response to treatment using frequentist multivariate meta-analyses models. Placebo- and active-controlled trials were eligible for network meta-analyses. RESULTS: Twenty four studies met our inclusion criteria. Direct comparisons were limited to vilazodone versus citalopram, and vortioxetine versus duloxetine, paroxetine, or venlafaxine XR (extended release). Results of head-to-head trials and network meta-analyses, overall, indicated similar efficacy among levomilnacipran, vilazodone, or vortioxetine and other second-generation antidepressants. Although rates of overall adverse events and discontinuation due to adverse events were similar, RCTs reported several differences in specific adverse events. For most outcomes the strength of evidence was low. LIMITATIONS: Limitations are the focus of literature searches on studies published in English, possible reporting biases, and general methodological limitations of network meta-analyses. CONCLUSIONS: Overall, the available evidence does not indicate greater benefits or fewer harms of levomilnacipran, vilazodone, and vortioxetine compared with other second-generation antidepressants. PMID- 29197739 TI - A meta-analysis of the use of probiotics to alleviate depressive symptoms. AB - INTRODUCTION: Some preclinical and clinical studies have demonstrated the positive impact of probiotic supplementation on depressive symptoms. This paper aims to provide an updated meta-analysis on the topic. METHODS: Using the keywords [probiotics OR gut OR microflora OR microbiome OR bacteria OR yeast OR yoghurt OR lactobacillus OR bifidobacterium] AND [mood OR depression OR MDD OR suicide], a preliminary search on the PubMed, Ovid, Clinical Trials Register of the Cochrane Collaboration Depression, Anxiety and Neurosis Group (CCDANTR) and Cochrane Field for Complementary Medicine database yielded 917 papers published in English between 1-Jan-1960 and 1-June-2017. RESULTS: 10 clinical trials with a total of 1349 patients were reviewed, comparing the use of probiotics to placebo controls. There was no significant difference in mood between the treatment and placebo group post-intervention as the standardized mean difference (SMD) was 0.128 (95% CI -0.261 to 0.00463, P=0.059). A separate subgroup analysis of studies conducted in healthy versus depressed individuals found significant improvements in the moods of individuals with mild to moderate depressive symptoms (SMD -0.684, 95% CI -1.296 to -0.0712, P=0.029) and non-significant effects in healthy individuals (SMD -0.0999, 95% CI -0.235 to 0.0348, P=0.146). LIMITATIONS: Inter-study discrepancies with respect to probiotic dosing, bacterial strains and strain combinations limit the comparability of current clinical trials. Furthermore, majority of existing RCTs were conducted in healthy individuals, making it difficult to extrapolate the results to depressed individuals. CONCLUSION: Probiotic supplementation has an overall insignificant effect on mood. Future studies should be conducted on more patients with clinically diagnosed depression. PMID- 29197741 TI - Exploration about changes of IL-10, NF-kappaB and MMP-3 in a rat model of cervical spondylosis. AB - OBJECTIVES: To investigate the relationship and mechanism between IL-10, NF kappaB and MMP-3 in cervical degenerative disease induced by unbalanced dynamic and static forces in rats. METHODS: Sixty Sprague Dawley rats were randomized into test (n=45) and control (n=15) groups, which were randomly subdivided into three groups corresponding to one-month, three-month and six-month post operation. Test group included 10, 15, 20 rats at corresponding postoperative stage and control group had five rats at each time point. By excising cervicodorsal muscles and ligaments of rats to establish unbalanced dynamic and static rat model in test group. The expression of IL-10, NF-kappaB and MMP-3 in the intervertebral disc tissue samples of both test and control group rats were detected by immunohistochemistry at one-month, three-month and six-month post operation. The results were analyzed and compared among groups. RESULTS: Compared with the control group, the positive expression of IL-10 in test group was significantly higher at three-month (P<0.05). In the same model group, IL-10 was highest at one-month. Compared with the control group, NF-kB in test group was higher at one-month, three-month and six-month. In the same model group, NF-kB was the highest at one-month, followed by the time at three-month and six-month. And, compared with the control group, MMP-3 was significantly higher in test group at one-month (P<0.05). CONCLUSION: Cervical degeneration may accompanied with the changes of IL-10, NF-kappaB and MMP-3. PMID- 29197742 TI - Asparaginase inhibits the lectin pathway of complement activation. AB - Oncological treatment has been associated with an increased risk of infection, most often related to therapy-induced pancytopenia. However, limited research has been conducted on the effect of oncological therapy on the complement system, being part of the non-cellular innate immune system. This became the rationale for an observational clinical study (C2012) in which we have investigated the prevalence of transient complement defects. Once we had observed such defects, a correlation of the complement defects to specific clinical parameters or to specific therapeutic regimens was investigated. A prominent defect observed in C2012 was the inhibition of the lectin pathway (LP) of complement activation during the treatment of acute lymphoblastic leukemia (ALL), which we could directly associate to the use of asparaginase (ASNase). Ex-vivo experiments confirmed a direct dose-dependent inhibitory effect of ASNase on the LP functionality. PMID- 29197740 TI - Gene set enrichment analysis and expression pattern exploration implicate an involvement of neurodevelopmental processes in bipolar disorder. AB - BACKGROUND: Bipolar disorder (BD) is a common and highly heritable disorder of mood. Genome-wide association studies (GWAS) have identified several independent susceptibility loci. In order to extract more biological information from GWAS data, multi-locus approaches represent powerful tools since they utilize knowledge about biological processes to integrate functional sets of genes at strongly to moderately associated loci. METHODS: We conducted gene set enrichment analyses (GSEA) using 2.3 million single-nucleotide polymorphisms, 397 Reactome pathways and 24,025 patients with BD and controls. RNA expression of implicated individual genes and gene sets were examined in post-mortem brains across lifespan. RESULTS: Two pathways showed a significant enrichment after correction for multiple comparisons in the GSEA: GRB2 events in ERBB2 signaling, for which 6 of 21 genes were BD associated (PFDR = 0.0377), and NCAM signaling for neurite out-growth, for which 11 out of 62 genes were BD associated (PFDR = 0.0451). Most pathway genes showed peaks of RNA co-expression during fetal development and infancy and mapped to neocortical areas and parts of the limbic system. LIMITATIONS: Pathway associations were technically reproduced by two methods, although they were not formally replicated in independent samples. Gene expression was explored in controls but not in patients. CONCLUSIONS: Pathway analysis in large GWAS data of BD and follow-up of gene expression patterns in healthy brains provide support for an involvement of neurodevelopmental processes in the etiology of this neuropsychiatric disease. Future studies are required to further evaluate the relevance of the implicated genes on pathway functioning and clinical aspects of BD. PMID- 29197743 TI - Synthesis, biological evaluation and molecular docking studies of a new series of chalcones containing naphthalene moiety as anticancer agents. AB - A series of chalcones containing naphthalene moiety 4a-4p have been synthesized, characterized by 1H NMR and 13C NMR and evaluated for their in vitro anticancer activity. The majority of the screened compounds displayed potent anticancer activity against both HCT116 and HepG2 human cancer cell lines. Among the series, compound 4h with a diethylamino group at the para position of the phenyl ring exhibited the most potent anticancer activity against HCT116 and HepG2 cell lines with IC50 values of 1.20 +/- 0.07 and 1.02 +/- 0.04 MUM, respectively. The preliminary structure-activity relationship has been summarized. Tubulin polymerization experiments indicated that 4h effectively inhibited tubulin polymerization and flow cytometric assay revealed that 4h arrests HepG2 cells at the G2/M phase in a dose-dependent manner. Furthermore, molecular docking studies suggested that 4h binds to the colchicine binding site of tubulin. PMID- 29197744 TI - Transcriptional landscape of a RETC634Y-mutated iPSC and its CRISPR-corrected isogenic control reveals the putative role of EGR1 transcriptional program in the development of multiple endocrine neoplasia type 2A-associated cancers. AB - MEN2A is a hereditary cancer-predisposing syndrome that affects patients with germline RET mutations. The effects of this oncogenic tyrosine kinase in the context of primitive stem cells are not known. In order to study these events, we generated a MEN2A induced Pluripotent Stem Cell (iPSC) line from a patient with RET mutation and an isogenic counterpart by CRISPR-Cas9 correction of the mutation. Whole exome sequencing of iPSC before and after CRISPR-Cas9 genome edition revealed no major exonic off target effect of the CRISPR correction. However, an integrative differential gene expression analysis of iPSC with oncogenic RETC634Y and its gene-corrected iPSC with RETY634C as well as RETwt iPSCs revealed activation of the Early Growth Response 1 (EGR1) transcriptional program in RET-mutated iPSC, a pathway shown to be involved in RET-induced oncogenesis. These data constitute the first proof of concept of the feasibility of the use of an iPSC and its genome-corrected counterpart to unravel the molecular mechanisms underlying the development of the hereditary MEN2A cancer predisposing syndrome. PMID- 29197745 TI - Cancer chemoprevention revisited: Cytochrome P450 family 1B1 as a target in the tumor and the microenvironment. AB - Cancer chemoprevention is the use of synthetic, natural or biological agents to prevent or delay the development or progression of malignancies. Intriguingly, many phytochemicals with anti-inflammatory and anti-angiogenic effects, recently proposed as chemoprevention strategies, are inhibitors of Cytochrome P450 family 1B1 (CYP1B1), an enzyme overexpressed in a wide variety of tumors and associated with angiogenesis. In turn, pro-inflammatory cytokines were reported to boost CYP1B1 expression, suggesting a key role of CYP1B1 in a positive loop of inflammatory angiogenesis. Other well-known pro-tumorigenic activities of CYP1B1 rely on metabolic bioactivation of xenobiotics and steroid hormones into their carcinogenic derivatives. In contrast to initial in vitro observations, in vivo studies demonstrated a protecting role against cancer for the other CYP1 family members (CYP1A1 and CYP1A2), suggesting that the specificity of CYP1 family inhibitors should be carefully taken into account for developing potential chemoprevention strategies. Recent studies also proposed a role of CYP1B1 in multiple cell types found within the tumor microenvironment, including fibroblasts, endothelial and immune cells. Overall, our review of the current literature suggests a positive loop between inflammatory cytokines and CYP1B1, which in turn may play a key role in cancer angiogenesis, acting on both cancer cells and the tumor microenvironment. Strategies aiming at specific CYP1B1 inhibition in multiple cell types may translate into clinical chemoprevention and angioprevention approaches. PMID- 29197746 TI - Proton therapy for locally advanced breast cancer: A systematic review of the literature. AB - BACKGROUND: Radiation therapy plays a major role in the management of adjuvant breast cancer with nodal involvement, with an iatrogenic increase of cardio vascular risk. Photon therapy, even with intensity modulation, has the downsides of high mean heart dose and heterogeneous target coverage, particularly in the case of internal mammary irradiation. This systematic review of the literature aims to evaluate proton therapy in locally advanced breast cancer. MATERIAL AND METHODS: PubMed was searched for original full-text articles with the following search terms: "Proton Therapy" and "Breast Cancer". On-going trials were collected using the words "Breast Cancer" and "Protons". RESULTS: 13 articles met the criteria: 6 with passive proton therapy (Double Scattering), 5 with Pencil Beam Scanning (PBS) and 2 with a combination of both. Proton therapy offered a better target coverage than photons, even compared with intensity modulation radiation therapy (including static or rotational IMRT or tomotherapy). With proton therapy, volumes receiving 95% of the dose were around 98%, with low volumes receiving 105% of the dose. Proton therapy often decreased mean heart dose by a factor of 2 or 3, i.e. 1 Gy with proton therapy versus 3 Gy with conventional 3D, and 6 Gy for IMRT. Lungs were better spared with proton therapy than with photon therapy. Cutaneous toxicity observed with double scattering is improved with PBS. CONCLUSION: Proton therapy reduces mean heart dose in breast cancer irradiation, probably reducing late cardio-vascular toxicity. Large clinical studies will likely confirm a clinical benefit of proton therapy. PMID- 29197747 TI - Soft chitosan microbeads scaffold for 3D functional neuronal networks. AB - The availability of 3D biomimetic in vitro neuronal networks of mammalian neurons represents a pivotal step for the development of brain-on-a-chip experimental models to study neuronal (dys)functions and particularly neuronal connectivity. The use of hydrogel-based scaffolds for 3D cell cultures has been extensively studied in the last years. However, limited work on biomimetic 3D neuronal cultures has been carried out to date. In this respect, here we investigated the use of a widely popular polysaccharide, chitosan (CHI), for the fabrication of a microbead based 3D scaffold to be coupled to primary neuronal cells. CHI microbeads were characterized by optical and atomic force microscopies. The cell/scaffold interaction was deeply characterized by transmission electron microscopy and by immunocytochemistry using confocal microscopy. Finally, a preliminary electrophysiological characterization by micro-electrode arrays was carried out. PMID- 29197748 TI - Emergence of synthetic mRNA: In vitro synthesis of mRNA and its applications in regenerative medicine. AB - The field of gene therapy has evolved over the past two decades after the first introduction of nucleic acid drugs, such as plasmid DNA (pDNA). With the development of in vitro transcription (IVT) methods, synthetic mRNA has become an emerging class of gene therapy. IVT mRNA has several advantages over conventional pDNA for the expression of target proteins. mRNA does not require nuclear localization to mediate protein translation. The intracellular process for protein expression is much simpler and there is no potential risk of insertion mutagenesis. Having these advantages, the level of protein expression is far enhanced as comparable to that of viral expression systems. This makes IVT mRNA a powerful alternative gene expression system for various applications in regenerative medicine. In this review, we highlight the synthesis and preparation of IVT mRNA and its therapeutic applications. The article includes the design and preparation of IVT mRNA, chemical modification of IVT mRNA, and therapeutic applications of IVT mRNA in cellular reprogramming, stem cell engineering, and protein replacement therapy. Finally, future perspectives and challenges of IVT mRNA are discussed. PMID- 29197749 TI - Radiocesium uptake through leaf surfaces of tea plants (Camellia sinensis L.). AB - To clarify the source of radiocesium detected in newly emerged tea leaves contaminated just before the time of bud opening by fallout of radionuclides from Fukushima Dai-ichi Nuclear Power Plant, 137CsCl solution (0.185 M Bq mL-1) was applied to the front or the backside surfaces of mature leaves of tea plant (Camellia sinensis L. cv. Yabukita) at the time of bud opening. A 21 days after foliar application, the buds had grown and developed to the three- or four-leaf stage. In the front treatment, almost all (95%) of the applied 137Cs was present in the mature leaves (hot mother leaves). In the backside treatment, 68% of applied 137Cs also remained in hot mother leaves, but 22% and 10% was found in the new shoots attached to hot mother leaves and the other parts (non-applied mature leaves, stems and roots), respectively. The images of a hot leaf and its attached new shoots by imaging plate analysis revealed that the results coincided with those of the 137Cs distribution above. These suggested that radiocesium was primarily absorbed from the backside surface of tea leaves through the stoma, and then the greater part was transported to newly emerged tea organs during the new shoot growth period. PMID- 29197750 TI - Mechanical properties of bovine cortical bone based on the automated ball indentation technique and graphics processing method. AB - Cortical bone provides the main form of support in humans and other vertebrates against various forces. Thus, capturing its mechanical properties is important. In this study, the mechanical properties of cortical bone were investigated by using automated ball indentation and graphics processing at both the macroscopic and microstructural levels under dry conditions. First, all polished samples were photographed under a metallographic microscope, and the area ratio of the circumferential lamellae and osteons was calculated through the graphics processing method. Second, fully-computer-controlled automated ball indentation (ABI) tests were performed to explore the micro-mechanical properties of the cortical bone at room temperature and a constant indenter speed. The indentation defects were examined with a scanning electron microscope. Finally, the macroscopic mechanical properties of the cortical bone were estimated with the graphics processing method and mixture rule. Combining ABI and graphics processing proved to be an effective tool to obtaining the mechanical properties of the cortical bone, and the indenter size had a significant effect on the measurement. The methods presented in this paper provide an innovative approach to acquiring the macroscopic mechanical properties of cortical bone in a nondestructive manner. PMID- 29197751 TI - Dacron graft as replacement to dissected aorta: A three-dimensional fluid structure-interaction analysis. AB - Aortic dissection (AD) is a serious medical condition characterized by a tear in the intima, the inner layer of the aortic walls. In such occurrence, blood is being diverted to the media (middle) layer and may result in patient death if not quickly attended. In the case where the diseased portion of the aorta needs to be replaced, one common surgical technique is to use a graft made of Dacron, a synthetic fabric. We investigate the response of a composite human aortic segment Dacron graft structure subjected to blood flow using the three-dimensional fluid structure-interaction (FSI) capability in Abaqus. We obtain stress and strain profiles in each of the three layers of the aortic walls as well as in the Dacron graft. Results are compared when elastic and hyperelastic models are used and when isotropy vs. anisotropy is assumed. The more complex case (hyperelastic anisotropy) is represented by the Holzapfel-Gasser-Ogden (HGO) model which also accounts for the orientation of the fibers present in the tissues. The fluid flow is taken as Newtonian, incompressible, pulsatile and turbulent. The simulation show that for all the cases, the von Mises stress distribution at aorta-Dacron interface is well below the ultimate strength of the aorta. No significant change in radial displacement at the interface of the two materials due to blood flow is observed. Computation cost is also addressed and results show that the hyperelastic-anisotropic model takes about three times longer to run than the elastic isotropic case. Trade-off between accuracy and computational cost has to be weighted. PMID- 29197752 TI - Cognitive distortions in anorexia nervosa and borderline personality disorder. AB - Thought-shape fusion (TSF) is a cognitive distortion associated with eating disorders (ED). A similar distortion, thought-abandonment fusion (TAbF), is assumed to occur in borderline personality disorder (BPD). In this study the specificity of TSF in participants with anorexia nervosa (AN) and TAbF in participants with BPD was examined. 63 patients completed questionnaires assessing the manifestation of trait-TAbF and trait-TSF, as well as relevant psychopathology. Nonparametric conditional inference trees were used to test for cognitive disorder-specificity. Participants with AN exhibited higher trait-TSF scores than those with BPD, when participants with BPD and a co-occurring AN were removed. Trait-TSF in participants with AN seemed to be disorder-specific. Participants with BPD and a co-occurring AN had the highest TAbF-scores. The specificity hypothesis could only be partially confirmed for trait-TAbF: while participants with BPD and a co-occurring AN tended to have the highest trait-TAbF scores, high mean values could also be found in participants with AN. The results indicate that TAbF is not specific to BPD, but may also play a role in AN. Both distortions seem to play a role in the maintenance of the respective disorders. PMID- 29197753 TI - Longitudinal analysis of the impact of economic empowerment on risk for intimate partner violence among married women in rural Maharashtra, India. AB - The purpose of this study was to assess via longitudinal analysis whether women's economic empowerment and financial inclusion predicts incident IPV. This prospective study involved analysis of three waves of survey data collected from rural young married women (n = 853 women) in Maharashtra at baseline and 9&18 month follow-ups. This study, which was in the field from 2012 to 2014, was conducted as part of a larger family planning evaluation study unrelated to economic empowerment. Participants were surveyed on economic empowerment, as measured by items on women's income generation and joint decision-making of husband's income, and financial inclusion, as measured by bank account ownership. Women's land ownership and participation in microloan programs were also assessed but were too rare (2-3% reporting) to be included in analyses. Longitudinal regression models assessed whether women's economic empowerment predicted incident IPV at follow-up. At Wave 1 (baseline), one in ten women reported IPV in the past six months; 23% reported income generation; 58% reported having their own money; 61% reported joint control over husband's money, and 10% reported bank ownership. Women's income generation and having their own money did not predict IPV over time. However, women maintaining joint control over their husband's income were at a 60% reduced risk for subsequent incident IPV (AOR = 0.40; 95% CI = 0.18, 0.90), and women gaining joint control over time were at a 70% reduced risk for subsequent incident IPV (AOR = 0.30; 95% CI = 0.13, 0.72), relative to women whose husbands maintained sole control over his income. Women who initiated a new bank account by Wave 3 also had a 56% reduced likelihood of reporting incident IPV in this same wave (AOR = 0.44; 95% CI = 0.22, 0.93), relative to those who maintained no bank account at Waves 1 and 3. These findings suggest that women's joint control over husband's income and her financial inclusion as indicated by bank ownership appear to reduce risk for IPV, whereas her income generation or control over her own income do not. Awareness of and participation in financial inclusion services may help reduce women's risk for IPV in rural India and elsewhere. PMID- 29197754 TI - Alcohol use by suicide victims in the city of Sao Paulo, Brazil, 2011-2015. AB - Excessive alcohol consumption is a serious public health issue, because drunkenness affects critical judgment and self-control which could trigger violent and self-harm behavior, with thus a potential association between alcohol consumption and suicide deaths. The objective of the present study was to assess the association between alcohol consumption and suicide deaths in the city of Sao Paulo, Brazil, from 2011 to 2015, and its relationship with socio-demographic characteristics of the victims and the circumstances of the suicide. A cross sectional retrospective study was conducted by collection of data from 1,700 suicide victims subjected to examination of blood alcohol concentration (BAC) from toxicology reports from the Institute of Legal Medicine of the State of Sao Paulo, Brazil. Alcohol was detected in blood samples of 30.2% of the victims and mean BAC levels were 1.73 +/- 0.08 g/L. The mean age of the victims was 39.90 +/- 0.75 years. The majority of the victims were male (74.6%) and the prevalence of positive BAC was higher amongst men (34.7%) than women (17.1%), p<0.05. The majority of the victims were white skinned (64.7%), but there was a higher proportion of victims with positive BAC among mulatto and black individuals, p<0.05. Hanging was the most prevalent suicide method in the sample (48.7%) and amongst men (55.4%), but amongst women it was jumping from a height (35%), p < 0.05. PMID- 29197755 TI - Occurrence, removal and risk of organic micropollutants in wastewater treatment plants across China: Comparison of wastewater treatment processes. AB - This study investigated the occurrence, removal and risk of 42 organic micropollutants (MPs), including 30 pharmaceuticals and personal care products and 12 endocrine disrupting chemicals, in 14 municipal wastewater treatment plants (WWTPs) distributed across China. The composition profiles of different MP categories in the influent, effluent, and excess sludge were explored and the aqueous removal efficiencies of MPs were determined. Quantitative meta-analysis was performed to compare the efficacies of different wastewater treatment processes in eliminating MPs. Results indicate that different MP categories showed quite similar distributions among the studied WWTPs, with phenolic estrogenic compounds (PEs), macrolides, and fluoroquinolones being always dominant in the influent, effluent and excess sludge. Tetracyclines, bezafibrate, caffeine, steroid estrogens, and PEs showed high and stable aqueous removal efficiencies, whereas other MPs showed considerably varied aqueous removal efficiencies. Anaerobic/anoxic/oxic process combined with a moving-bed biofilm reactor achieved the highest aqueous removal of MPs among various secondary treatment processes. A combined process consisting of ultrafiltration, ozonation and ClO2 disinfection resulted in the highest removal of MPs among the tertiary treatment processes. Sulfamethoxazole, ofloxacin, ciprofloxacin, clarithromycin, erythromycin, estrone, and bisphenol A in the effluent, as well as beta-estradiol 3-sulfate in the excess sludge could pose high risks. This study draws an overall picture about the current status of MPs in WWTPs across China and provides useful information for better control of the risks associated with MPs. PMID- 29197756 TI - Droplet distribution and airborne bacteria in an experimental shower unit. AB - Although human exposure to water aerosols is common in residential showers, the droplet distribution patterns generated in showers are not well understood nor is the bacteria released during shower operation. In this study, a two-phase flow Particle Tracking Velocimetry (PTV) algorithm was successfully used to characterize the spatial spray pattern and velocity field in two experimental showers (one low-flow and one high-flow). In addition, the airborne bacteria present in the shower over nearly 5 months of controlled operation was determined for both showers. The results indicate that the droplet velocity out of the low flow showerhead (which had fewer orifices) was significantly higher than that out of the high-flow showerhead resulting in a higher aerosol number concentration in the low-flow shower and more consistent wetting of the shower wall. Both showerheads generated droplets in the respirable range and genera of potential health concern were observed in the shower aerosols measured both prior to and following shower operation. The study provides one of the first visualizations of droplet spray patterns in residential showers and provides insight into the airborne bacteria present in showers. PMID- 29197757 TI - Primary sewage sludge filtration using biomass filter aids and subsequent hydrothermal co-liquefaction. AB - Hydrothermal liquefaction (HTL) is a promising technology for biofuel production and treatment of wastewater sludge. The current study investigates a novel utilization of biomass-assisted filtration of primary sludge to obtain high dry matter (DM) content sludge. Drastic improvements in filtration speed are achieved using different types of lignocellulosic biomass filter aids prepared via mechanical pre-treatment. The combined sludge-biomass filter cake is subsequently used as a feedstock for HTL and shows superior bio-crude yields and properties compared to their individual counterparts. The chemical energy recovery to bio crude is increased to 75% compared to 46% for biomass and 67% for sludge on its own. The increased DM content of filter cakes (~25%) compared to primary sludge (5%) increases the energy efficiency of HTL of primary sludge by a factor of 4.5. Introducing a biomass filteraid-HTL combination to a wastewater treatment plant would reduce the organic carbon load to treat by 62%. By combining sludge with lignocellulosic biomass the use of alkali catalyst can be avoided entirely which represents a major cost factor in HTL of lignocellulosics. PMID- 29197758 TI - UV-filters and musk fragrances in seafood commercialized in Europe Union: Occurrence, risk and exposure assessment. AB - In the framework of the FP7 ECsafeSeafood project, 62 seafood samples commercialized in Europe Union from several representative species - mackerel, tuna, salmon, seabream, cod, monkfish, crab, shrimp, octopus, perch and plaice - were analysed for residues of 21 personal care products (PCPs), including 11 UV filters (UV-Fs) and 10 musk fragrances (musks). PCPs analysis were performed by Quick, Easy, Cheap, Effective Rugged, Safe (QuEChERS), combined with liquid liquid extraction (LLE) or dispersive solid-phase extraction (dSPE), followed by gas chromatography-tandem mass spectrometry (GC-MS/MS). The results showed the presence in a wide range of samples of nine out of eleven UV-Fs compounds analysed, namely 2-ethylhexyl salicylate (EHS), 2-ethylhexyl,4-methoxycinnamate (EHMC), 4-methylbenzylidenecamphor (4-MBC), benzophenone-1 (BP1), benzophenone-3 (BP3), isoamyl-4-methoxycinnamate (IMC), 2,2'-dihydroxy-4,4' dimethoxybenzophenone (DHMB), homosalate (HS), and octocrylene (OC), whereas galaxolide (HHCB), galaxolide lactone (HHCB-lactone), and tonalide (AHTN) were the most found musks. The potential risks to human health associated with the exposure to eight of the more prevalent PCPs - EHS, EHMC, 4-MBC, BP1, BP3, IMC, HHCB, and AHTN - through seafood consumption were assessed for consumers from five European countries (Belgium, Ireland, Italy, Portugal and Spain). Results showed that the human exposure to UV-Fs and musks estimated from the concentration values found in seafood and the daily consumption of concerned seafood species, were far below toxicological reference values. PMID- 29197759 TI - Source identification of human exposure to lead in nine Cree Nations from Quebec, Canada (Eeyou Istchee territory). AB - While policies to decrease lead in the environment have been implemented to reduce human exposure to various lead sources, the use of lead ammunition to harvest wild game may continue to contribute significantly to human blood lead levels (BLLs). As part of a multi-community environment-and-health study, BLLs representing all age groups were evaluated in the nine Cree Nations located in the James and Hudson Bay regions of Quebec, Canada. Personal, market food, traditional food and 24-h recall questionnaires were administered. Predictor variables were assessed for various exposure sources, including diet and hunting practices. Elevated BLLs were observed in association with increased hunting status, use of firearms and leaded ammunition, and consumption of traditional foods. Significant differences were observed between all communities, age groups and sexes. Recommendations include educational campaigns that promote switching to non-lead ammunition and, if lead ammunition continues to be used, careful removal from tissues of pellets, bullet fragments and ammunition paths. PMID- 29197761 TI - The interaction between drought and elevated CO2 in water relations in two grassland species is species-specific. AB - Climate change can have major consequences for grassland communities since the different species of the community utilize different mechanisms for adaptation to drought and elevated CO2 levels. In addition, contradictory data exist when the combined effects of elevated CO2 and drought are analyzed because the soil water content is not usually similar between CO2 concentrations. Thus, the objectives of this work have been to examine the effect of water stress on plant water relations in two grassland species (Trifolium pratense and Agrostis capillaris), analyzing the possible differences between the two species when soil water content is equal in all treatments, and to elucidate if development under elevated CO2 increases drought tolerance and if so, which are the underlying mechanisms. At ambient CO2, when soil volumetric water content was 15%, both species decreased their water potential in order to continue taking up water. Trifolium pratense performed osmotic adjustment, while Agrostis capillaris decreased the rigidity of its cell wall; moreover, both species increased the root to shoot ratio and decreased leaf area. However, these mechanisms were not sufficient to maintain cell turgor. Elevated CO2 partially mitigated the negative impact of drought on turgor potential in Trifolium pratense through a higher osmotic adjustment and root to shoot ratio and in Agrostis capillaris through a higher leaf relative water content caused by higher hydraulic conductance, but the impact of drought was not mitigated in either species by higher soil water conservation. PMID- 29197760 TI - Lifetime exposure to ambient air pollution and methylation of tumor suppressor genes in breast tumors. AB - BACKGROUND: We previously reported increased risk of breast cancer associated with early life exposure to two measures of air pollution exposure, total suspended particulates (TSP) and traffic emissions (TE), possible proxies for exposure to polycyclic aromatic hydrocarbons (PAHs). Exposure to PAHs has been shown to be associated with aberrant patterns of DNA methylation in peripheral blood of healthy individuals. Exposure to PAHs and methylation in breast tumor tissue has received little attention. We examined the association of early life exposure to TSP and TE with patterns of DNA methylation in breast tumors. METHODS: We conducted a study of women enrolled in the Western New York Exposures and Breast Cancer (WEB) Study. Methylation of nine genes (SFN, SCGB3A1, RARB, GSTP1, CDKN2A CCND2, BRCA1, FHIT, and SYK) was assessed using bisulfite-based pyrosequencing. TSP exposure at each woman's home address at birth, menarche, and when she had her first child was estimated. TE exposure was modeled for each woman's residence at menarche, her first birth, and twenty and ten years prior to diagnosis. Unconditional logistic regression was employed to estimate odds ratios (OR) of having methylation greater than the median value, adjusting for age, secondhand smoke exposure before age 20, current smoking status, and estrogen receptor status. RESULTS: Exposure to higher TSP at a woman's first birth was associated with lower methylation of SCGB3A1 (OR = 0.48, 95% CI: 0.23-0.99) and higher methylation of SYK (OR = 1.86, 95% CI: 1.03-3.35). TE at menarche was associated with increased methylation of SYK (OR = 2.37, 95% CI: 1.05-5.33). TE at first birth and ten years prior to diagnosis was associated with decreased methylation of CCND2 (OR ten years prior to diagnosis=0.48, 95% CI: 0.26-0.89). Although these associations were nominally significant, none were significant after adjustment for multiple comparisons (p < 0.01). CONCLUSIONS: We observed suggestive evidence that exposure to ambient air pollution throughout life, measured as TSP and TE, may be associated with DNA methylation of some tumor suppressor genes in breast tumor tissue. Future studies with a larger sample size that assess methylation of more sites are warranted. PMID- 29197762 TI - Lamb loin tenderness is not associated with plasma indicators of pre-slaughter stress. AB - The purpose of this study was to test if associations exist between plasma indicators of acute and chronic stress and lamb loin Warner Bratzler Shear Force (WBSF). Blood was collected at exsanguination from 2877 lambs from the Meat and Livestock Genetic Research flock with a suite of indicators analysed. Loin (M. longissimus lumborum) WBSF was measured after 5days aging. Plasma indicators of stress did not relate to WBSF, however a positive association was found between WBSF and kill order, indicating that immediate pre-slaughter factors may be causing reduced tenderness in lamb. In addition, selection for decreased fat depth (PFAT) was associated with increased loin WSBF, indicating that genetic selection for increased carcass leanness is negatively affecting lamb loin tenderness. PMID- 29197763 TI - Carbon monoxide packaging shows the same color improvement for dark cutting beef as high oxygen packaging. AB - In this study, carbon monoxide (CO) modified atmosphere packaging (MAP) was used to increase redness (a*) and lightness (L*) values of dark cutting beef (ultimate pH (pHu)>=6.10), compared to normal pHu beef and intermediate pHu beef (pH: 5.40 5.79; pH: 5.80-6.09, respectively) during 20 d chilled storage. Compared with HiOx-MAP, CO-MAP exhibited similar color improvement effects (increased L*, a*, b* values) for all pHu beef groupings. The metmyoglobin (MetMb) content was lower under CO-MAP than that of HiOx-MAP in normal pHu beef, but opposite effects were observed in dark, high pH beef. This result could not be explained by MetMb reducing ability (MRA) and lipid oxidation, as both parameters were higher in CO MAP beef than either normal or high pHu beef, compared with HiOx-MAP. In conclusion, CO-MAP was effective to maintain the cherry red color for dark cutting beef, but the color improvement mechanisms might be different with HiOx packaging methods. PMID- 29197764 TI - Impact of reducing nitrate/nitrite levels on the behavior of Salmonella Typhimurium and Listeria monocytogenes in French dry fermented sausages. AB - Salmonella and Listeria monocytogenes are two pathogenic bacteria that most frequently contaminate pork meat. In dry fermented sausages, several hurdles are used for controlling bacterial growth such as nitrite and salt addition. In Europe, practices consist of adding potassium nitrate (250ppm expressed as NaNO3) or a combination of nitrate/nitrite (150/150ppm expressed as NaNO3/NaNO2 respectively). However, involvement of these additives in nitrosamine formation is a matter of concern. Consequently, a decrease in nitrite/nitrate amounts is proposed. The aim of this study was to evaluate the impact of reducing levels of these additives on Listeria and Salmonella behavior. Using challenge-tests, five trials were carried out by varying the concentration of nitrate and nitrate/nitrite. Results shown that nitrite is a relevant hurdle for control Salmonella and Listeria. At the end of drying, the most significant reductions of pathogens are obtained in sausages with nitrite added at the both tested concentrations (120 or 80ppm NaNO2). PMID- 29197765 TI - Physical quality attributes of male and female wild fallow deer (Dama dama) muscles. AB - Physical meat quality measurements were conducted on the longissimus thoracis et lumborum, biceps femoris, semimembranosus, semitendinosus, infraspinatus and supraspinatus muscles from male (n=6) and female (n=6) fallow deer (Dama dama) harvested in South Africa. Ultimate pH (pHu), drip loss, cooking loss and shear force values were influenced (p<=0.05) by muscle, but not gender. Mean pHu readings were 5.4-5.6 in the muscles with the two forequarter muscles having the highest readings, while drip loss, cooking loss and shear force values ranged from 1.3-1.6%, 29.4-36.1% and 31.3-61.9N, respectively. Muscle, however, had an effect (p<=0.05) on all the measured colour parameters (L*, a*, b*, chroma, hue angle), whereas gender only influenced (p<=0.05) the a* and chroma values in certain muscles. It can be concluded that the physical meat quality attributes of the fallow deer muscles compare favourably with that from other game species commonly consumed in South Africa. PMID- 29197767 TI - The effects of sodium chloride and PSE meat on restructured cured-smoked pork loin quality: A response surface methodology study. AB - The effects of the PSE meat proportion (0 to 100%) and sodium chloride contents (0 to 2%) on technological and saltiness of restructured cured-smoked pork loins were investigated by using response surface methodology (RSM). Lipid oxidation, pH values and reheating loss of the products were most affected by the proportion of PSE meat, while the salt concentration mainly affected the water activity, expressible moisture values, hardness, chewiness and sliceability of the products. Perception of the salt flavor increased with the addition of salt and proportion of PSE meat in the elaborated products, where the addition of 0.5% salt was considered as ideal by consumers. It was concluded that an amount close to 0.8% salt is required for satisfactory maintenance of the technological characteristics of the restructured cured-smoked pork loins, especially when PSE meat is used in the formulation. PMID- 29197766 TI - A sensometric approach to the development of mortadella with healthier fats. AB - The aim of this study was to evaluate the sensory characteristics of mortadellas with different fat contents using Descriptive Analysis (DA) and Check-all-that apply (CATA) questions and their relationship with overall liking (OL). Five mortadella samples were studied. Sample 1, containing 16% fat. Sample 2 was formulated with 8% fat. Samples 3 and 4 were prepared by replacing 50% fat by a pre-emulsion composed of fish, canola and olive oil. A commercial fat-reduced sample was also studied. The sensory characteristics of the samples were evaluated by DA. Besides, eighty-four consumers evaluated their OL using a 9 point scale and answered the CATA questions. Replacement or reduction of fat caused changes in the sensory characteristics of the samples. Commercial mortadella was the most liked. CATA questions along with penalty analysis and partial least squares regression (PLSR) of dummy variables on the OL helped to identify the attributes to be changed in the mortadella formulations. PMID- 29197768 TI - Consumer sensory and hedonic perception of sheep meat coppa under blind and informed conditions. AB - The development of air-dried cured sheep meat products represents an interesting option to add value to the meat of adult animals. In this context, the aim of the present study was to evaluate consumer sensory and hedonic perception of sheep meat coppa, an innovative product. Four sheep meat coppa samples were formulated by varying smoking (smoked vs. non-smoked) and salt content (4.5% vs. 3.4%), and compared with two commercial samples of regular pork meat coppa. Samples were evaluated under blind or informed conditions by 202 consumers, who had to rate their liking and to answer a check-all-that-apply question. Sheep and pork meat coppa samples did not largely differ in their overall liking in both experimental conditions. Smoking and high salt content significantly increased consumers' hedonic perception of sheep meat coppa. The information included in the labels did not modify consumer hedonic perception but influenced their sensory description, particularly for the terms related to the type of meat used in their manufacture. Results indicate positive market opportunities for sheep meat coppa in the Brazilian market. PMID- 29197769 TI - Hydrothermal liquefaction of microalgae over transition metal supported TiO2 catalyst. AB - Hydrothermal liquefaction (HTL) of microalgae Nannochloropsis (NAS) over various transition metal M/TiO2 (M = Fe, Co, Ni, Mo, and Mn) was investigated. Ni/TiO2 was the most effective catalyst to improve the yield and quality of biocrude and the liquefaction conversion. Ni/TiO2 was characterized by XRD, XRF, and XPS. The research of Effect of reaction temperature on HTL of NAS over Ni/TiO2 suggested that 300 degrees C led to a maximum biocrude yield of 48.23% and the highest liquefaction conversion of 89.28%. Adding Ni/TiO2 catalyst reduced the viscosity and provided more light-fraction in biocrude while brought a slight increase in total acid number (TAN). Gas chromatography-mass spectrometry (GC-MS) analysis demonstrated that adding Ni/TiO2 considerably changed the composition of biocrude and the possible pathways were discussed. Reproduction test showed the Ni/TiO2 has an excellent reproduction ability in HTL of NAS. PMID- 29197770 TI - Low pressure supercritical CO2 extraction of astaxanthin from Haematococcus pluvialis demonstrated on a microfluidic chip. AB - This study demonstrates the efficacy of low pressure supercritical CO2 extraction of astaxanthin from disrupted Haematococcus pluvialis. A microfluidic reactor was employed that enabled excellent control and allowed direct monitoring of the whole process at the single cell level, in real time. Astaxanthin extraction using ScCO2 achieved 92% recovery at 55 degrees C and 8 MPa applied over 15 h. With the addition of co-solvents, ethanol and olive oil, the extraction rates in both experiments were significantly improved reaching full recovery within a few minutes. Notably, for the ethanol case, the timescales of extraction process are reduced 1800-fold from 15 h to 30 s at 55 degrees C and 8 MPa, representing the fastest complete astaxanthin extraction at such low pressures. PMID- 29197771 TI - Formation, characteristics and microbial community of aerobic granular sludge in the presence of sulfadiazine at environmentally relevant concentrations. AB - The growing occurrence of antibiotics in water environment is causing increasing concern. To investigate the impact of frequently detected sulfadiazine on the formation of aerobic granular sludge, four sequencing batch reactors (SBRs) were set up with different environmentally relevant concentrations of sulfadiazine. Results showed that sulfadiazine pressure could lead to larger and more compact sludge particles and cause slight effect on reactor performance. Presence of sulfadiazine apparently increased the extracellular polymeric substances (EPS) secretion of microorganisms. Quantitative polymerase chain reaction (qPCR) showed that the abundances of sulfanilamide resistance genes in sludge increased with addition of sulfadiazine significantly. Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt) was used to predict functional genes, results showed that sulfadiazine led to an increase of specific functional genes. Thereby, it concluded that microorganisms could change the community structure by acclimating of functional bacteria and antibiotic resistance species to adapt to the antibiotic stress. PMID- 29197772 TI - Exploring stress tolerance mechanism of evolved freshwater strain Chlorella sp. S30 under 30 g/L salt. AB - Enhancement of stress tolerance to high concentration of salt and CO2 is beneficial for CO2 capture by microalgae. Adaptive evolution was performed for improving the tolerance of a freshwater strain, Chlorella sp. AE10, to 30 g/L salt. A resulting strain denoted as Chlorella sp. S30 was obtained after 46 cycles (138 days). The stress tolerance mechanism was analyzed by comparative transcriptomic analysis. Although the evolved strain could tolerate 30 g/L salt, high salinity caused loss to photosynthesis, oxidative phosphorylation, fatty acid biosynthesis and tyrosine metabolism. The related genes of antioxidant enzymes, CO2 fixation, amino acid biosynthesis, central carbon metabolism and ABC transporter proteins were up-regulated. Besides the up-regulation of several genes in Calvin-Benson cycle, they were also identified in C4 photosynthetic pathway and crassulacean acid metabolism pathway. They were essential for the survival and CO2 fixation of Chlorella sp. S30 under 30 g/L salt and 10% CO2. PMID- 29197773 TI - Enrichment and adaptation yield high anammox conversion rates under low temperatures. AB - This study compared two anammox sequencing batch reactors (SBR) for one year. SBRconstantT was kept at 30 degrees C while temperature in SBRloweringT was decreased step-wise from 30 degrees C to 20 degrees C and 15 degrees C followed by over 140 days at 12.5 degrees C and 10 degrees C. High retention of anammox bacteria (AnAOB) and minimization of competition with AnAOB were key. 5-L anoxic reactors with the same inoculum were fed synthetic influent containing 25.9 mg NH4+-N/L and 34.1 mg NO2--N/L (no COD). Specific ammonium removal rates continuously increased in SBRconstantT, reaching 785 mg NH4+-N/gVSS/d, and were maintained in SBRloweringT, reaching 82.2 and 91.8 mg NH4+-N/gVSS/d at 12.5 and 10 degrees C respectively. AnAOB enrichment (increasing hzsA and 16S rDNA gene concentrations) and adaptation (shift from Ca. Brocadia to Ca. Kuenenia in SBRloweringT) contributed to these high rates. Rapidly settling granules developed, with average diameters of 1.2 (SBRconstantT) and 1.6 mm (SBRloweringT). Results reinforce the potential of anammox for mainstream applications. PMID- 29197774 TI - Effect of ammonia on the active microbiome and metagenome from stable full-scale digesters. AB - Four full-scale anaerobic digesters with a long history of stable operation were characterized in terms of active microbiome and metagenome. Isotopic fractionation of biogas demonstrated that acetotrophy was rather prevalent in reactors operated at <3 gTAN L-1 while hydrogenotrophy was predominant at >6 gTAN L-1, suggesting that syntrophic acetate oxidizing bacteria (SAOB) played a significant role in the latter. These results were generally coherent with the observed active bacterial and archaeal communities but no known SAOB were observed. Metagenome descriptions yielded 73 assembled population genomes, of which only 7 could be assigned at the species level. Gene annotation and association to relevant metabolic pathways indicated that the phyla Chloroflexi and Bacteroidales might encompass new, currently undescribed, SAOB/formate producing species that would metabolize acetate via the glycine cleavage system. The predominant hydrogenotrophic counterpart at a high ammonia content belonged to the genus Methanoculleus, which could also grow on acetate to a certain extent. PMID- 29197775 TI - Waste-to-biofuel integrated system and its comprehensive techno-economic assessment in wastewater treatment plants. AB - Combining wastewater treatment and biofuel production is considered the cost effective way for better waste remediation and lowering the environmental impact for biofuel production. In this study, an innovative integrated system incorporating sludge, scum and centrate treatment and biofuel production was developed. A comprehensive techno-economic analysis was conducted to evaluate the technology and economic feasibility of the integrated system with the consideration of biofuel production, wastewater treatment improvement, tax credits, carbon credit, and coproducts utilization. Benefited from the integrated system that the intermediate byproducts can be used in between the sub-systems, such as the glycerol generated from the scum-to-biodiesel production can be used as an organic carbon for the centrate-to-algae production, the estimated breakeven selling price of the bio-oil ($1.85/gallon) is very close to the 5-year averaged crude oil price. The assessment result showed the payback period and the IRRs of the integrated system are superior in comparison with others. PMID- 29197776 TI - Ultrafast fractionation of lignocellulosic biomass by microwave-assisted deep eutectic solvent pretreatment. AB - Deep eutectic solvents (DESs) have received increasing attention in recent years as designer solvents for bioprocessing. In this study, ultrafast microwave assisted DES pretreatment was developed for lignocellulose fractionation. The pretreatment was conducted for 45 s with microwave irradiation at 800 W using a DES composed of choline chloride and lactic acid (ChCl: LA). The results indicated that such pretreatment was highly effective in removing lignin and xylan while retaining most of cellulose in the pretreated solids. The ultrafast fractionation increased the cellulose digestibility by 2-5 folds. Switchgrass gave a similar glucose yield to corn stover but experienced less cellulose loss during the pretreatment. Miscanthus was also substantially fractionated but showed lower digestibility than switchgrass and corn stover. Lignin was readily recoverable with relatively high purity from all the pretreatment liquor. Our study demonstrated an innovative ultrafast pretreatment process with superior effectiveness for biomass fractionation and cellulose digestibility improvement as well as lignin extraction. PMID- 29197777 TI - Screening and comparative metabolic profiling of high lipid content microalgae strains for application in wastewater treatment. AB - New strains of green microalgae were isolated and screened for growth and the production of lipids from municipal wastewater. It was shown that the strain Micractinium sp. IC-76 has a biomass productivity of 37.18 +/- 4.12 mg L-1 d-1 and a lipid content of 36.29 +/- 0.11%, with a total content of saturated and monounsaturated fatty acids of 71.9%. The efficiency of nitrogen (N-NH4) and phosphorus (P-PO4) removal was 96.4 +/- 0.7 and 77.8 +/- 5.6%, respectively. The metabolic differences at the exponential and stationary phases of growth between the closely related strains with different patterns of lipid accumulation were revealed via gas chromatography mass spectrometry metabolic profiling. The strain Micractinium sp. IC-76 in the stationary phase of growth shows a significant difference in carbohydrate metabolism, especially sucrose concentration. High lipid induction during cultivation in wastewater was also driven by changes in the biosynthesis of amino acids, fatty acids and the tricarboxylic acid cycle. PMID- 29197778 TI - Recovery of mixed volatile fatty acids from anaerobically fermented organic wastes by vapor permeation membrane contactors. AB - Volatile fatty acids (VFAs) are attractive compounds in renewable based bio refinery industries and can be produced through anaerobic digestion of organic wastes. Nevertheless, the recovery of VFAs from anaerobically digested organic wastes is the bottleneck of the resource recovery. In this study, VFA recovery from synthetic VFA solutions and fermented organic wastes via air-filled and tertiary amine extractant-filled PTFE membranes through vapor pressure membrane contactors (VPMC) was investigated. Acetic acid was recovered with greater than 45% efficiency in all the fermented wastes. Recovery of propionic, butyric, valeric, and caproic acids through trioctylamine-filled PTFE membrane was greater than 86% and 95% from landfill leachate and fermentation broth of anaerobically digested organic waste, respectively. This study reveals that VFA separation can be effectively achieved via economic and environmental friendly VPMC system and the process is implementable as it can be coupled to a fermentation process to prevent inhibition and to recover VFAs. PMID- 29197779 TI - Model predictive control coupled with economic and environmental constraints for optimum algal production. AB - Algae production process is a key cost center in production of biofuels/bioproducts from microalgae. Decline in the growth of algae in outdoor ponds during non-optimal conditions is one of the hurdles for achieving consistently high algal production rates. An optimal controller can be used to overcome this limitation and provide reliable growth in outdoor conditions. A model predictive controller (MPC) was developed to optimize the algal growth, predicted by flux balance analysis, under natural disturbances, embedding within the cost function, the economic and environmental constraints associated with the process. The model, developed in MATLAB, was validated on a 30-L continuous algal culture under light, temperature and a combination of light and temperature disturbances. The MPC proved effective in minimization of a decrease in growth under these natural disturbances. The growth rates with MPC were observed to be 79-116% higher as compared to the non-MPC growth. PMID- 29197780 TI - Characterization of an aerobic denitrifier Pseudomonas stutzeri strain XL-2 to achieve efficient nitrate removal. AB - An aerobic denitrifier was newly isolated and identified as Pseudomonas stutzeri strain XL-2. Strain XL-2 removed 97.9% of nitrate with an initial concentration about 100 mg/L. Nitrogen balance indicates that 12.4% of the initial nitrogen was converted to N2O, and 62.4% was converted to N2. Single factor experiments indicate that the optimal conditions for nitrate removal were C/N ratio of 10, temperature of 30 degrees C and shaking speed of 120 rpm. Sequence amplification indicates that the denitrification genes of napA, nirS, norB and nosZ were present in strain XL-2. Combined with nitrogen balance, strain XL-2 presents the metabolic pathway of NO3- -> NO2- -> NO -> N2O -> N2 under aerobic conditions. The expression of napA and nirS might be responsible for the tolerance of dissolved oxygen by strain XL-2 during denitrification process. PMID- 29197781 TI - Which tasks measure what? Reflections on executive function development and a commentary on Podjarny, Kamawar, and Andrews (2017). AB - This article provides a selective review of the literature on executive function development and related topics, focusing on the conceptual and terminological confusions that might hinder communication among researchers in the field. The distinctions between working memory and updating, and between shifting and flexibility, are discussed. Methodological problems, which have implications regarding whether a certain task can be considered a measure of a psychological construct, are also discussed. Research on preschoolers is examined with particular attention because it is a rapidly growing but controversial field that seems in particular need of greater conceptual clarity. As a specific touchstone case, we discuss whether the Multidimensional Card Selection Task (MCST) created by Podjarny, Kamawar, and Andrews (2017) should better be considered a measure of concurrent cognitive flexibility or working memory capacity. It is argued that connecting tasks to theoretical constructs is not warranted unless based on rigorous empirical testing of well-formulated models. PMID- 29197782 TI - Language-minority children's sensitivity to the semantic relations between words. AB - The purpose of this study was to examine automatic language processing among Spanish-speaking language-minority children. A sample of 73 children (mean age = 90.4 months) completed two measures of semantic priming: an auditory lexical decision task and a looking-while-listening task. It was hypothesized that within and cross-language semantic priming effects would occur but that translation priming effects would not occur. Results from vocabulary assessments indicated that language-minority children in this study were more proficient in English than they were in Spanish. Limited evidence for semantic priming effects within English and from English to Spanish emerged. In addition, substantial evidence for translation priming from Spanish to English and from English to Spanish emerged. Given the lack of within-Spanish semantic priming effects and the presence of translation priming effects from Spanish to English, the results of this study indicated that Spanish-speaking language-minority children rely on translation from their less proficient language to their more proficient language to access meaning. There was partial evidence that language-minority children's two languages are active simultaneously, indicating that early in life children develop semantic knowledge that is associated with words known in both languages. PMID- 29197783 TI - Lotus tetragonolobus and Maackia amurensis lectins influence phospho IkappaBalpha, IL-8, Lewis b and H type 1 glycoforms levels in H. pylori infected CRL-1739 gastric cancer cells. AB - PURPOSE: Attachment of Helicobacter pylori to the mucous epithelial cells and the mucous layer is said to be a crucial step for infection development. Sugar antigens of gastric mucins (MUC5AC, MUC1) can act as receptors for bacterial adhesins. The aim of the study was to investigate if Lotus tetragonolobus and Maackia amurensis lectins influence the level of MUC1, MUC5AC, Lewis b, H type 1, sialyl Lewis x, phospho-IkappaBalpha and interleukin 8 in Helicobacter pylori infected gastric cancer cells. MATERIALS AND METHODS: The study was performed with one clinical H. pylori strain and CRL-1739 gastric cancer cells. To assess the levels of mentioned factors immunosorbent ELISA assays were used. RESULTS: Coculture of cells with bacteria had no clear effect on almost all examined structures. After coculture with H. pylori and lectins, a decrease of the level of both mucins, Lewis b and H type 1 antigens was observed. Lectins addition had no effect on sialyl Lewis x. Maackia amurensis caused slight increase of phospho IkappaBalpha while interleukin 8 level was decreased. CONCLUSIONS: Lotus tetragonolobus and Maackia amurensis lectins can mediate in binding of Helicobacter pylori to gastric epithelium. PMID- 29197784 TI - Simulated photoperiod influences testicular activity in quail via modulating local GnRHR-GnIHR, GH-R, Cnx-43 and 14-3-3. AB - The hypothalamo-hypophyseal-gonadal axis mediated differential photosexual responses in quail kept under different simulated photoperiodic conditions have been studied in details. Local testicular GnRH-GnIH and their receptor system has been hypothesized to be modulated in quail showing different photo-sexual responses and thus influence the testicular activity and steroidogenesis through local (paracrine and autocrine) action. To validate this hypothesis, we studied the expression of gonadotropin releasing hormone receptor (GnRH-R), gonadotropin inhibiting hormone receptor (GnIH-R) mRNA, growth hormone receptor (GH-R), proliferating cell nuclear antigen (PCNA), 14-3-3, Connexin-43 (Cnx-43), steroidogenic factor-1 (SF-1), Steroidogenic Acute Regulatory protein (StAR), steroidogenic enzyme (3beta HSD) in testis as well as androgen receptor (AR) in testis and epididymis of photosensitive (PS), scotorefractory (SR), photorefractory (PR) and scotosensitive (SS) quail. Experimental findings clearly indicate the increased expression of GnIH-R mRNA and suppression of GnRH-R, GH-R, PCNA, 14-3-3, Connexin-43, SF-1, StAR, 3beta HSD in testis as well as AR in testis and epididymis of PR and SS quail, while PS and SR quail exhibited the opposite results i.e., significantly decreased expression of GnIH-R mRNA and increased expression of GnRH-R, GH-R, PCNA, 14-3-3, Cnx-43, SF-1, StAR, 3beta HSD in testis as well as AR in testis and epididymis. The significantly increased intra-testicular testosterone has been observed in the PS and SR quail while, PR and SS quail showed opposite results. Hence, we conclude that PS and SR quail showed significantly increased testicular activity and steroidogenesis while opposite pattern was observed in PR and SS quail. PMID- 29197785 TI - Impact of gingivitis treatment for diabetic patients on quality of life related to periodontal objective parameters: A randomized controlled clinical trial. AB - OBJECTIVES: Patients with diabetes have a poor oral health-related quality of life (OHRQoL). It is not clear if this situation could be changed with effective periodontal treatment. This study examined both patients with diabetes and systemically healthy individuals to discover the impact of a gingivitis treatment protocol on OHRQoL and its relation to objective periodontal parameters. DESIGN: After ultrasonic debridement, patients were randomly assigned to an essential oils (EO) or placebo mouthwash group. At baseline and 3 months, OHRQoL was assessed with the Oral Health and Quality of Life-United Kingdom questionnaire (OHQoL-UK) along with clinical, halitometric, microbiological and inflammatory objective parameters. The primary outcome was a change in OHQoL-UK scores. A factor analysis was performed and the impact of the extracted quality of life factor (QLF) and its interactions with diabetes, treatment, and time on the objective parameters, were tested by multiple linear regression models (p < 0.05). Chi-Square test compared questionnaire-answering profiles (p<0.05). RESULTS: Combined treatment with EO provided OHQoL improvements in both systemic conditions. Positive effect of oral health status on quality of life increased in EO groups but not in placebo groups. Question I (self-confidence) showed the greatest factorial weight, while Question A (food intake) showed the lowest factorial weight. All patients who showed OHRQoL improvements and used the EO rinse showed the lowest plaque and gingival indices and lower levels of bacteria and volatile sulfur compounds. CONCLUSIONS: OHRQoL positively changed overtime. Most effective treatment protocols would provide better improvements in OHRQoL which is related to periodontal objective measures. PMID- 29197786 TI - Reliability and validity of the Bristol Breastfeeding Assessment Tool in the Turkish population. AB - BACKGROUND: breast milk is a natural source of nourishment, with a high level of bioefficacy that is easily digestible, easy to deliver, providing all the fluids, energy and nutrients that are needed for the optimum growth and development of a newborn. OBJECTIVE: this research aims to conduct a reliability and validity study of the Bristol Breastfeeding Assessment Tool (BBAT) in the Turkish population. DESIGN: the research was conducted in methodological design. SETTING: the Child Health Follow-up Polyclinic of a university hospital in Istanbul. PARTICIPANTS: the participants were 217 breastfed infants and their mothers. FINDINGS: the internal consistency of the Turkish version of Breastfeeding Assessment Tool (Cronbach's alpha = 0.77) and the intraclass correlation level are high (ICC = 0.89). Breastfeeding Assessment Tool displayed a high correlation with LATCH (Latch Audible, Swallowing, Type of Nipple, Comfort of Breast/Nipple, H-Hold/Position) (Pearson r = 0.76; p = 0.000). CONCLUSIONS: Breastfeeding Assessment Tool was successfully adapted into Turkish as a reliable and valid breastfeeding assessment tool that can be quickly and easily administered, and it was shown that the instrument could be readily adapted into other languages as well. IMPLICATIONS FOR PRACTICE: the Turkish version of Breastfeeding Assessment Tool is now available to Turkish midwives and nurses, who will be able to employ an instrument for breastfeeding assessment that has been proven effective. More studies are needed to demonstrate the efficacy of the instrument. PMID- 29197787 TI - The Midwifery services framework: What is it, and why is it needed? AB - Most low- and middle-income countries failed to meet the Millennium Development Goal targets for maternal, newborn and child health, and even more ambitious targets have been set under the Sustainable Development Goals and the Ending Preventable Maternal Mortality initiative. This means that many countries will need to accelerate progress on sexual, reproductive, maternal and newborn health over the next few years. Recent years have seen the publication of a large and convincing body of evidence about the potential of midwifery to make a significant contribution to this acceleration, but little practical guidance has emerged to help countries invest in midwifery services so that their health systems can meet the increasing need for sexual, reproductive, maternal and newborn health care. To help fill this gap, the International Confederation of Midwives designed and launched the Midwifery Services Framework, a new tool to guide countries through the process of strengthening and developing their midwifery services. This first of a series of three papers introduces the MSF, explains why it is needed, how it was developed, its guiding principles and its anticipated outcomes and impact. The other two papers explain the process of implementing the Midwifery Services Framework, and lessons learned in the first countries to start implementation. PMID- 29197788 TI - Effects of antagonistic and synergistic muscles' co-activation on mechanics of activated spastic semitendinosus in children with cerebral palsy. AB - OBJECTIVES: Most activities involve co-activation of several muscles and epimuscular myofascial force transmission (EMFT) can affect their mechanics. This can be relevant for spastic muscles of cerebral palsy (CP) patients. Isometric spastic semitendinosus (ST) forces vs. knee angle (KA-FST) data were collected intra-operatively to test the following hypotheses: (i) Inter-antagonistic EMFT elevates FST, (ii) changes the shape of KA-FST characteristics, (iii) reduces the muscle's joint range of force exertion (Range-FST) and (iv) combined inter antagonistic and synergistic EMFT further changes those effects. METHODS: 11 limbs of 6 patients with CP (mean (SD) = 7.7 (4.7) years; GMFCS levels = II-IV) were tested in 3 conditions from 120 degrees to full extension: ST activated (I) exclusively, (II) simultaneously with an antagonist, and (III) with added activation of synergists. RESULTS: Condition II increased FST (e.g., peak force = 87.6 N (30.5 N)) significantly (by 33.6%), but condition III caused no further change. No condition changed the muscle's wide Range-FST (100.7 degrees (15.9 degrees )) significantly. Therefore, only the first hypothesis was confirmed. CONCLUSIONS: Co-activating its antagonist elevates forces of activated spastic ST substantially, but does not change its joint range of force exertion. Added activation of its synergists causes no further effects. Therefore, EMFT effects in CP can be relevant and need to be tested in other knee flexors. PMID- 29197789 TI - Nanostructured lipid carriers for improved oral delivery and prolonged antihyperlipidemic effect of simvastatin. AB - The purpose of the current study is to develop nanostructured lipid carriers (NLCs) for the delivery of the antihyperlipidemic drug simvastatin (SIM) to increase its extremely low oral bioavailability (<5%) and prolong its antihyperlipidemic effect. NLCs were prepared via emulsification-solvent evaporation technique followed by ultrasonication, and the effect of composition of the nanocarriers on the particle size, size distribution, surface charge, entrapment efficiency, drug release kinetics and physical stability was extensively studied. NLCs exhibited nanosized (<200nm) spherical morphologies with narrow size distribution and high drug entrapment efficiency (>75%), sustained drug release pattern, and negative surface charge (zeta potential of 35-40mV) that imparts sufficient electrostatic physical stability. When tested in vivo, SIM-NLCs of the optimal composition demonstrated improved and prolonged reduction in the total cholesterol and non-high density lipoprotein cholesterol levels, as compared to the drug suspension. After oral administration of a single dose of SIM-NLC, 4-fold increase in bioavailability was observed, as compared to the SIM suspension. Hence, NLCs might provide efficient nanodevices for the management of hyperlipidemia and promising drug delivery systems to enhance SIM oral bioavailability. PMID- 29197790 TI - Increase in volatilization of organic compounds using air sparging through addition in alcohol in a soil-water system. AB - This study developed a novel method to promote the remediation efficiency of air sparging. According to the enhanced-volatilization theory presented in this study, selected alcohols added to groundwater can highly enhance the volatilization amounts of organic compounds with high Henry's law constants. In this study, the target organic compounds consisted of n-hexane, n-heptane, benzene, toluene, 1,1,2-trichloroethane, and tetrachloroethene. n-pentanol, n hexanol, and n-heptanol were used to examine the changes in the volatilization amounts of organic compounds in the given period. Two types of soils with high and low organic matter were applied to evaluate the transport of organic compounds in the soil-water system. The volatilization amounts of the organic compounds increased with increasing alcohol concentrations. The volatilization amounts of the test organic compounds exhibited a decreasing order: n-heptanol>n hexanol>n-pentanol. When 10mg/L n-heptanol was added to the system, the maximum volatilization enhancement rate was 18-fold higher than that in distilled water. Samples of soil with high organic matter might reduce the volatilization amounts by a factor of 5-10. In the present study, the optimal removal efficiency for aromatic compounds was approximately 98%. PMID- 29197791 TI - Roles of different active metal-reducing bacteria in arsenic release from arsenic contaminated paddy soil amended with biochar. AB - Although biochar has great potential for heavy metal removal from sediments or soils, its impact on arsenic biogeochemistry in contaminated paddy fields remains poorly characterized. In this study, anaerobic microcosms were established with arsenic-contaminated paddy soil to investigate arsenic transformation as well as the potentially active microbial community and their transcriptional activities in the presence of biochar. The results demonstrated that biochar can simultaneously stimulate microbial reduction of As(V) and Fe(III), releasing high levels of As(III) into the soil solution relative to the control. Total RNAs were extracted to profile the potentially active microbial communities, which suggested that biochar increased the abundance of arsenic- and iron-related bacteria, such as Geobacter, Anaeromyxobacter and Clostridium compared to the control. Reverse transcription, quantitative PCR (RT-qPCR) showed that the abundance of Geobacter transcripts were significantly stimulated by biochar throughout the incubation. Furthermore, significant positive correlations were observed between the abundance of Geobacter transcripts and As(V) concentrations, and between that of Clostridium transcripts and Fe(III) concentrations in biochar amended microcosms. Our findings suggest that biochar can stimulate the activity of metal-reducing bacteria to promote arsenic mobility. The Geobacter may contribute to As(V) reduction in the presence of biochar, while Clostridium has a role in Fe(III) reduction. PMID- 29197792 TI - New insight into PM2.5 pollution patterns in Beijing based on one-year measurement of chemical compositions. AB - In recent years, air pollution has become a major concern in China, especially in the capital city of Beijing. Haze events occur in Beijing over all four seasons, exhibiting distinct characteristics. In this study, the typical evolution patterns of atmospheric particulate matter with a diameter of less than 2.5MUm (PM2.5) in each season were illustrated by episode-based analysis. In addition, a novel method was developed to elucidate the driving species of pollution, which is the largest contributor to the incremental PM2.5 (DeltaPM2.5), not PM2.5. This method revealed a temporal variation of the driving species throughout the year: nitrate-driven spring, sulfate-driven summer, nitrate-driven early fall, and organic matters (OM)-driven late fall and winter. These results suggested that primary organic particles or volatile organic compounds emissions were dominant in the heating season due to residential heating, while NOx and SO2 emissions dominated in the other seasons. Besides, nitrate formation seemed more significant than sulfate formation during severe pollution episodes. It was also found that the pollution formation mechanism in the winter showed some unique features in comparison with the other seasons: aqueous reactions were more important in the winter, while multiple pathways coexisted in the other seasons. Furthermore, this study confirmed that the PM2.5 in Beijing was moderately acidic despite a fully neutralized system. In addition, the acidity variation during pollution episodes displayed different patterns between seasons and was driven by both the variation of aerosol water and chemical compositions. These results provide a new perspective to understand the characteristics and mechanisms of aerosol pollution in Beijing. However, more accurate measurements are necessary for effective air pollution control that depends on the seasonal variation of fine particle formation in Beijing and the surrounding areas. PMID- 29197793 TI - Native-plant amendments and topsoil addition enhance soil function in post-mining arid grasslands. AB - One of the most critical challenges faced in restoration of disturbed arid lands is the limited availability of topsoil. In post-mining restoration, alternative soil substrates such as mine waste could be an adequate growth media to alleviate the topsoil deficit, but these materials often lack appropriate soil characteristics to support the development and survival of seedlings. Thus, addition of exogenous organic matter may be essential to enhance plant survival and soil function. Here, we present a case study in the arid Pilbara region (north-west Western Australia), a resource-rich area subject to intensive mining activities. The main objective of our study was to assess the effects of different restoration techniques such as soil reconstruction by blending available soil materials, sowing different compositions of plant species, and addition of a locally abundant native soil organic amendment (Triodia pungens biomass) on: (i) seedling recruitment and growth of Triodia wiseana, a dominant grass in Australian arid ecosystems, and (ii) soil chemical, physical, and biological characteristics of reconstructed soils, including microbial activity, total organic C, total N, and C and N mineralisation. The study was conducted in a 12-month multifactorial microcosms setting in a controlled environment. Our results showed that the amendment increased C and N contents of re-made soils, but these values were still lower than those obtained in the topsoil. High microbial activity and C mineralisation rates were found in the amended waste that contrasted the low N mineralisation but this did not translate into improved emergence or survival of T. wiseana. These results suggest a short- or medium term soil N immobilisation caused by negative priming effect of fresh un composted amendment on microbial communities. We found similar growth and survival rates of T. wiseana in topsoil and a blend of topsoil and waste (50:50) which highlights the importance of topsoil, even in a reduced amount, for plant establishment in arid land restoration. PMID- 29197794 TI - There is an association between serum high-sensitivity C-reactive protein (hs CRP) concentrations and depression score in adolescent girls. AB - BACKGROUND: Whilst there is evidence of an association between depression and inflammation in adults, there is limited data on this in adolescents particularly in non-westernized populations. The primary aim of this study was to evaluate the association between serum hs-CRP level and depression score in adolescent girls living in northwestern Iran. METHOD: Serum hs-CRP was measured in 563 adolescent girls aged 12-18 years. Depression score was assessed using the Beck's depression inventory II (BDI-II). RESULTS: Serum hs-CRP was 0.61 (0.30-0.88) mg/L [median (interquartile range)] in the non-depressed group, 0.97 (0.50-1.82) mg/L in the group with a mild depression score, 1.04 (0.57-1.60) mg/L in those with a moderate depression score, and 0.84 (0.45-2.64) mg/L in girls with severe depression (Kruskal-Wallis test, P<0.001). It has shown that hs-CRP is significantly higher in depressed groups. Multinomial logistic regression analysis, controlling for age, BMI, waist circumference, social class, alcohol consumption, smoking or being passive smoker and recent infections, showed that depression scores were positively associated with serum hs-CRP level (OR=1.93, P<0.001). Using a linear model after adjustment, B (the unstandardized beta) of hs-CRP according to the depression score was 1.43, P<0.001. CONCLUSION: There is a significant association between serum hs-CRP and depression score in adolescent girls. The cross sectional study design does not allow us to conclude that there is a direct relationship between inflammation and depression, and this would need to be tested in an intervention study. PMID- 29197795 TI - Reproductive steroids and ADHD symptoms across the menstrual cycle. AB - Although Attention-Deficit/Hyperactivity Disorder shows (ADHD) male predominance, females are significantly impaired and exhibit additional comorbid disorders during adolescence. However, no empirical work has examined the influence of cyclical fluctuating steroids on ADHD symptoms in women. The present study examined estradiol (E2), progesterone (P4), and testosterone (T) associations with ADHD symptoms across the menstrual cycle in regularly-cycling young women (N=32), examining trait impulsivity as a moderator. Women completed a baseline measure of trait impulsivity, provided saliva samples each morning, and completed an ADHD symptom checklist every evening for 35days. Results indicated decreased levels of E2 in the context of increased levels of either P4 or T was associated with higher ADHD symptoms on the following day, particularly for those with high trait impulsivity. Phase analyses suggested both an early follicular and early luteal, or post-ovulatory, increase in ADHD symptoms. Therefore, ADHD symptoms may change across the menstrual cycle in response to endogenous steroid changes. PMID- 29197796 TI - Copper-based nanomaterials for environmental decontamination - An overview on technical and toxicological aspects. AB - Synthesis of the various types of engineered nanomaterials has gained a huge attention in recent years for various applications. Copper based nanomaterials are a branch of this category seem to be able to provide an efficient and cost effective way for the treatment of the persistent effluents. The present work aimed to study the various parameters may involve in the overall performance of the copper based nanomaterials for environmental clean-up purposes. To this end, the related characteristics of copper based nanomaterials and their effects on the nanomaterials reactivity and the environmental and operating parameters have been critically reviewed. Toxicological study of the copper based nanomaterials has been also considered as a factor with high importance for the selection of a typical nanomaterial with optimum performance and minimum environmental and health subsequent effects. PMID- 29197797 TI - Biochar application increased the growth and yield and reduced cadmium in drought stressed wheat grown in an aged contaminated soil. AB - Cadmium (Cd) and drought stress in plants is a worldwide problem, whereas little is known about the effect of biochar (BC) under combined Cd and drought stress. The current study was conducted to determine the impact of BC on Cd uptake in wheat sown in Cd-contaminated soil under drought stress. Wheat was grown in a soil after incubating the soil for 15 days with three levels of BC (0%, 3.0% and 5.0% w/w). Three levels of drought stress (well-watered, mild drought and severe drought containing 70%, 50%, and 35% of soil water holding capacity respectively) were applied to 45-d-old wheat plants. Drought stress decreased plant height, spike length, chlorophyll contents, gas exchange parameters, root and shoot dry biomasses and grain yields. Drought stress also caused oxidative stress and decreased the antioxidant enzymes activities whereas increased the Cd concentration in plants. Biochar increased morphological and physiological parameters of wheat under combined drought and Cd stress and reduced the oxidative stress and Cd contents and increased antioxidant enzymes activities. The decrease in Cd concentration with BC application in drought-stressed plant might be attributed to BC-induced increase in crop biomass production and reduction in oxidative stress. These results indicate that BC could be used as an amendment in metal contaminated soil for improving wheat growth and reducing Cd concentrations under semiarid conditions. PMID- 29197798 TI - Individual and combined effects of fluoranthene, phenanthrene, mannitol and sulfuric acid on marigold (Calendula officinalis). AB - A study was conducted to characterize marigold stress response to polycyclic aromatic hydrocarbons (PAHs) (oxidative stress inducers) with and without sulfuric acid (S.Acid; pH 3) (acid-stress inducer), and to evaluate reactive oxygen species (ROS) scavenging activity of mannitol (Mann). Marigold (Calendula officinalis) seedlings were grown in a greenhouse and fumigated with fluoranthene (FLU), phenanthrene (PHE), Mann, and S.Acid individually and in various combinations for 40 days. Various physiological and biochemical parameters among others were analyzed using standard methods. The results revealed that fumigation of FLU induced oxidative stress to the plants via ROS generation leading to negative effects on photosynthesis at near saturating irradiance (Amax), stomatal conductance (Gs), internal carbon dioxide concentration (Ci), leaf water relations and chlorophyll pigments. Significant per cent inhibition of Amax (54%), Gs (86%) and Ci (32%), as well as per cent reductions in chlorophyll a (Chl.a) (33%), Chl.b (34%), and total chlorophyll (Tot. Chl) (48%) contents were recorded in FLU fumigated treatment in comparison to control. Combination of Mann with FLU scavenged the generated ROS and substantially lowered the oxidative stress on the plants hence all the measured parameters were not significantly different from control. PHE fumigation had varied effects on marigold plants and was not as deleterious as FLU. Combined fumigation of S.Acid with both the PAHs had significant negative effect on leaf water relations, and positive effect on fresh and turgid weight of the plants but had no effect on the other measured parameters. The lowest proline contents and highest catalase and ascorbate peroxidase activities in FLU fumigated plants further confirmed that oxidative stress was imposed via the generation of ROS. From the results, it is evident that Mann could be an efficient scavenger of ROS-generated by FLU in the marigold plants. We recommend Mann to be widely used for the protection of higher plants from FLU-generated stress in the urban areas. PMID- 29197799 TI - Evolution of microbial communities during electrokinetic treatment of antibiotic polluted soil. AB - The evolution of microbial communities during the electrokinetic treatment of antibiotic-polluted soil (EKA) was investigated with chlortetracycline (CTC), oxytetracycline (OTC) and tetracycline (TC) as template antibiotics. The total population of soil microorganisms was less affected during the electrokinetic process, while living anti-CTC, anti-OTC, anti-TC and anti-MIX bacteria were inactivated by 10.48%, 31.37%, 34.76%, and 22.08%, respectively, during the 7-day treatment compared with antibiotic-polluted soil without an electric field (NOE). Accordingly, samples with NOE treatment showed a higher Shannon index than those with EKA treatment, indicating a reduction of the microbial community diversity after electrokinetic processes. The major taxonomic phyla found in the samples of EKA and NOE treatment were Proteobacteria, Bacteroidetes, Firmicutes and Actinobacteria. And the distribution of Actinobacteria, Cyanobacteria, and Chloroflexi was greatly decreased compared with blank soil. In the phylum Proteobacteria, the abundance of Alphaproteobacteria was greatly reduced in the soils supplemented with antibiotics (from 13.40% in blank soil to 6.43-10.16% after treatment); while Betaproteobacteria and Deltaproteobacteria showed a different trend with their abundance increased compared to blank soil, and Gammaproteobacteria remained unchanged for all treatments (2.36-2.78%). The varied trends for different classes indicated that the major bacterial groups changed with the treatments due to their different adaptability to the antibiotics as well as to the electric field. SulI being an exception, the reduction ratio of the observed antibiotic resistance genes (ARGs) including tetC, tetG, tetW, tetM, intI1, and sulII in the 0-2cm soil sampled with EKA versus NOE treatment reached 55.17%, 3.59%, 99.26%, 89.51%, 30.40%, and 27.92%, respectively. Finally, correlation analysis was conducted between antibiotic resistant bacteria, ARGs and taxonomic bacterial classes. It was found that sulII was the most representative of many different bacteria among the seven ARGs studied. This is the first report on the changes in microbial communities before and after EKA, and the present results demonstrated that the application of EKA is a useful and effective approach to suppressing both antibiotic resistant microorganisms and ARGs. PMID- 29197800 TI - Progesterone suppresses Abeta42-induced neuroinflammation by enhancing autophagy in astrocytes. AB - Autophagy is an intracellular catabolic mechanism essential for recycling intracellular unfolding protein and eliminating toxic protein aggregates. Several studies have shown that deficient autophagy is implicated in the development of Alzheimer's disease (AD) progression. To date, rapidly emerging evidence suggests that neurosteroid progesterone (PG) may play an important role in ameliorating AD. However, the role of PG and its neuroprotective mechanism in regulating autophagy still require further investigation. Here, we investigated the protective effects of PG against Abeta-induced inflammatory responses in astrocytes and its underlying mechanism in mediating autophagy. Remarkably, Abeta induced astrocyte dysfunction in autophagic activation and up-regulated inflammatory secretion. However, the autophagy inducer rapamycin (RAPA) significantly suppressed Abeta-induced inflammation in astrocytes. In astrocytes, treatment with Abeta caused autophagy deficiency, whereas PG significantly increased autophagy activation. Finally, PG suppressed Abeta-induced neuroinflammatory production via enhancing autophagy together with regulating mTOR signaling. Taken together, these results show that autophagy is a vital mechanism against Abeta-induced neuroinflammatory responses in astrocytes and demonstrate the potential neuroprotective mechanism of PG in suppressing neuroinflammatory responses by enhancing autophagy. Therefore, uncovering the neuroprotective mechanism of PG may provide new insight into novel therapies for the amelioration of AD. PMID- 29197801 TI - In contrast to morphine, buprenorphine enhances macrophage-induced humoral immunity and, as oxycodone, slightly suppresses the effector phase of cell mediated immune response in mice. AB - BACKGROUND: Opioid receptors are commonly expressed on various immune cells, macrophages especially. Thus, these cells are prone to stimulation with opioids, which seems to be responsible for opioid-induced immunomodulatory effects. While morphine, fentanyl and methadone influence on mouse immune response was recently studied, little is known about the potential immunomodulatory impact of buprenorphine and oxycodone. AIM: The current research aimed to investigate the influence of buprenorphine and oxycodone on immune responses in mice under homeostatic conditions. METHODS AND RESULTS: Repeated administration of morphine led to intensification of CHS response in actively sensitized mice, while buprenorphine or oxycodone administration exerted the opposite effect. Further, hapten-conjugated macrophages from mice treated with morphine, when transferred into naive recipients, induced more potent CHS response. The enhanced generation of reactive oxygen intermediates and nitric oxide by macrophages from mice treated with buprenorphine, oxycodone or morphine was also shown, along with increased release of IL-6, TNFalpha and TGFbeta. Treatment with opioids altered expression of antigen phagocytosis and presentation markers. Finally, the inhibitory effect of morphine treatment on induction of humoral immunity by macrophages was demonstrated, while oxycodone failed to influence humoral immune response and buprenorphine actually enhanced B-cell activation. CONCLUSIONS: Current observations confirm that macrophages greatly contribute to immunomodulatory effects of opioids. Studies on immunomodulation by opioids have great importance related to the evaluation of its beneficial and adverse effects on patient condition. Our research showed that oxycodone exerts the weakest immunomodulatory properties, allowing us to assume this drug as safer than morphine during prolonged therapy. PMID- 29197802 TI - Developing the next generation of graphene-based platforms for cancer therapeutics: The potential role of reactive oxygen species. AB - Graphene has a promising future in applications such as disease diagnosis, cancer therapy, drug/gene delivery, bio-imaging and antibacterial approaches owing to graphene's unique physical, chemical and mechanical properties alongside minimal toxicity to normal cells, and photo-stability. However, these unique features and bioavailability of graphene are fraught with uncertainties and concerns for environmental and occupational exposure. Changes in the physicochemical properties of graphene affect biological responses including reactive oxygen species (ROS) production. Lower production of ROS by currently available theranostic agents, e.g. magnetic nanoparticles, carbon nanotubes, gold nanostructures or polymeric nanoparticles, restricts their clinical application in cancer therapy. Oxidative stress induced by graphene accumulated in living organs is due to acellular factors which may affect physiological interactions between graphene and target tissues and cells. Acellular factors include particle size, shape, surface charge, surface containing functional groups, and light activation. Cellular responses such as mitochondrial respiration, graphene-cell interactions and pH of the medium are also determinants of ROS production. The mechanisms of ROS production by graphene and the role of ROS for cancer treatment, are poorly understood. The aim of this review is to set the theoretical basis for further research in developing graphene-based theranostic platforms. PMID- 29197804 TI - Cytotoxicity mechanisms in melanoma cells and UPLC-QTOF/MS2 chemical characterization of two Brazilian stingless bee propolis: Uncommon presence of piperidinic alkaloids. AB - The present study characterized propolis extracts produced by Scaptotrigona bipunctata (Tubuna) and Melipona quadrifasciata (Mandacaia) by LC-MS/MS; their cytotoxicity as well as the mechanism of action in a melanoma cellular model were also assessed. The chemical characterization performed by UPLC-ESI-QTOF/MS2 analysis revealed uncommon presence of piperidinic alkaloids in Tubuna's propolis extract together with C-glycopyranoside flavonoids. Mandacaia's propolis collected in the same area rather presented terpenoids and flavonoids. Regarding the mechanism of cytotoxicity, propolis extracts increased the accumulation of reactive oxygen species (ROS), reduced the potential of mitochondrial membrane, induced a decrease in the proteins Bcl-2 and AKT-3 levels, and decreased melanoma cells' migration and invasion. Both propolis extracts induced apoptosis while only Mandacaia's propolis extract induced cell cycle arrest in G2/M. PMID- 29197803 TI - Redox system and phospholipid metabolism in the kidney of hypertensive rats after FAAH inhibitor URB597 administration. AB - Primary and secondary hypertension is associated with kidney redox imbalance resulting in enhanced reactive oxygen species (ROS) and enzymes dependent phospholipid metabolism. The fatty acid amide hydrolase inhibitor, URB597, modulates the levels of endocannabinoids, particularly of anandamide, which is responsible for controlling blood pressure and regulating redox balance. Therefore, this study aimed to compare the effects of chronic URB597 administration to spontaneously hypertensive rats (SHR) and rats with secondary hypertension (DOCA-salt rats) on the kidney metabolism associated with the redox and endocannabinoid systems. It was shown fatty acid amide hydrolase (FAAH) inhibitor decreased the activity of ROS-generated enzymes what resulted in a reduction of ROS level. Moreover varied changes in antioxidant parameters were observed with tendency to improve antioxidant defense in SHR kidney. Moreover, URB597 administration to hypertensive rats decreased pro-inflammatory response, particularly in the kidneys of DOCA-salt hypertensive rats. URB597 had tendency to enhance ROS-dependent phospholipid oxidation, estimated by changes in neuroprostanes in the kidney of SHR and reactive aldehydes (4-hydroxynonenal and malondialdehyde) in DOCA-salt rats, in particular. The administration of FAAH inhibitor resulted in increased level of endocannabinoids in kidney of both groups of hypertensive rats led to enhanced expression of the cannabinoid receptors type 1 and 2 in SHR as well as vanilloid receptor 1 receptors in DOCA salt rats. URB597 given to normotensive rats also affected kidney oxidative metabolism, resulting in enhanced level of neuroprostanes in Wistar Kyoto rats and reactive aldehydes in Wistar rats. Moreover, the level of endocannabinoids and cannabinoid receptors were significantly higher in both control groups of rats after URB597 administration. In conclusion, because URB597 disturbed the kidney redox system and phospholipid ROS-dependent and enzymatic-dependent metabolism, the administration of this inhibitor may enhance kidney disorders depending on model of hypertension, but may also cause kidney disturbances in control rats. Therefore, further studies are warranted. PMID- 29197805 TI - New metabolites of hongdenafil, homosildenafil and hydroxyhomosildenafil. AB - Recently, illegal sildenafil analogues have emerged, causing serious social issues. In spite of the importance of sildenafil analogues, their metabolic profiles or clinical effects have not been reported yet. In this study, new metabolites of illegal sildenafil analogues such as hongdenafil, homosildenafil, and hydroxyhomosildenafil were determined using liquid chromatography quadrupole time of flight mass spectrometry (LC-Q-TOF-MS) and tandem mass spectrometry (LC-Q TOF-MS/MS). To prepare metabolic samples, in vitro and in vivo studies were performed. For in vivo metabolites analysis, urine and feces samples of rats treated with sildenafil analogues were analyzed. For in vitro metabolites analysis, human liver microsomes incubated with sildenafil analogues were extracted and analyzed. All metabolites were characterized by LC-Q-TOF-MS and LC Q-TOF-MS/MS. As a result, five, six, and seven metabolites were determined in hongdenafil, homosildenafil, and hydroxyhomosildenafil treated samples, respectively. These results could be applied to forensic science and other analytical fields. Moreover, these newly identified metabolites could be used as fundamental data to determine the side effect and toxicity of illegal sildenafil analogues. PMID- 29197806 TI - Immunofluorescence-based biosensor for the determination of dengue virus NS1 in clinical samples. AB - The sharp increase in incidence of dengue infection has necessitated the development of methods for the rapid diagnosis of this deadly disease. Here we report the design and development of a reliable, sensitive, and specific optical immunosensor for the detection of the dengue nonstructural protein 1 (NS1) biomarker in clinical samples obtained during early stages of infection. The present optical NS1 immunosensor comprises a biosensing surface consisting of specific monoclonal NS1 antibody for immunofluorescence-based NS1 antigen determination using fluorescein isothiocyanate (FITC) conjugated to IgG antibody. The linear range of the optical immunosensor was from 15-500ngmL-1, with coefficient of determination (R2) of 0.92, high reproducibility (the relative standard deviation obtained was 2%), good stability for 21days at 4 degrees C, and low detection limit (LOD) at 15ngmL-1. Furthermore, the optical immunosensor was capable of detecting NS1 analytes in plasma specimens from patients infected with the dengue virus, with low cross-reaction with plasma specimens containing the Japanese encephalitis virus (JEV) and Zika virus. No studies have been performed on the reproducibility and cross-reactivity regarding NS1 specificity, which is thus a limitation for optical NS1 immunosensors. In contrast, the present study addressed these limitations carefully where these two important experiments were conducted to showcase the robustness of our newly developed optical-based fluorescence immunosensor, which can be practically used for direct NS1 determination in any untreated clinical sample. PMID- 29197807 TI - Effect of carboxylic acids on the properties of zerovalent iron toward adsorption and degradation of trichloroethylene. AB - Zerovalent iron (ZVI) based technology has been applied to remediate contaminated groundwater and has been paid great attention as an economic alternative. But it is still remains highly challenging to remove chlorinated pollutants such as trichloroethylene (TCE) with ZVI. Low molecular weight carboxylic ligands (formic acid (FA), oxalic acid (OA), and citric acid (CA)) were chosen to study the influence on the performance of ZVI in groundwater, including the morphology of Fe surface and the Fe dissolution. The removal rate of TCE with ZVI in the presence of 30 mM carboxylic groups followed an order of FA > OA > pure water ? CA. FA provides protons to promote the surface corrosion and generated more magnetite on the ZVI surface, which was further responsible for a high adsorption of TCE. With the strong complexing ability of OA and CA, passive layers could form dissoluble complexes via a ligand-promoted dissolution process. However, high concentration of OA resulted in Fe oxalate reprecipitated back onto the ZVI surface then inhibited the reactivity of ZVI. The Fe-ligand complexes also have ability to transform TCE depending on their redox properties. It is expected that effectiveness of carboxylic ligands on the ZVI: those low molecular weight carboxylic ligands in groundwater and soil may enhance the reaction efficiency of ZVI by altering the surface characteristics of ZVI. Therefore, the carboxylic ligands could increase the reactivity and the longevity of ZVI. PMID- 29197808 TI - Thermal remediation alters soil properties - a review. AB - Contaminated soils pose a risk to human and ecological health, and thermal remediation is an efficient and reliable way to reduce soil contaminant concentration in a range of situations. A primary benefit of thermal treatment is the speed at which remediation can occur, allowing the return of treated soils to a desired land use as quickly as possible. However, this treatment also alters many soil properties that affect the capacity of the soil to function. While extensive research addresses contaminant reduction, the range and magnitude of effects to soil properties have not been explored. Understanding the effects of thermal remediation on soil properties is vital to successful reclamation, as drastic effects may preclude certain post-treatment land uses. This review highlights thermal remediation studies that have quantified alterations to soil properties, and it supplements that information with laboratory heating studies to further elucidate the effects of thermal treatment of soil. Notably, both heating temperature and heating time affect i) soil organic matter; ii) soil texture and mineralogy; iii) soil pH; iv) plant available nutrients and heavy metals; v) soil biological communities; and iv) the ability of the soil to sustain vegetation. Broadly, increasing either temperature or time results in greater contaminant reduction efficiency, but it also causes more severe impacts to soil characteristics. Thus, project managers must balance the need for contaminant reduction with the deterioration of soil function for each specific remediation project. PMID- 29197809 TI - A model for measuring the environmental sustainability of events. AB - Like all human activities, events can generate significant pressures on environmental resources, unless they are well-managed and monitored. Therefore, it is becoming more and more important to develop models that can measure their environmental sustainability. Although increasing attention is being paid to this sector, there is currently no standard protocol or method to assess the eco sustainability of events. This article presents an innovative assessment procedure to measure the environmental sustainability of events. It is based on several indicators, combined by means of a multi-criteria approach and aggregated into a final index, which we called METER (Measuring Events Through Environmental Research). The METER index uses nine major operational categories, divided in sub categories and detailed items, which cover all the main aspects concerning environmental sustainability of an event and are evaluated for all its phases, i.e. planning, organisation, implementation, post event. The index is fairly analytical, and is thus able to represent the numerous aspects to be taken into consideration in the environmental assessment of an event. At the same time, it is simple to apply and user-friendly, thanks to its graphics and effective communication of the web platform within it is implemented. Moreover, METER is based on a participatory approach using the bottom-up model and on the principle of subsidiarity. All official international documents regarding sustainable development now require subsidiarity. However, it is not being currently applied as part of any certification or with any evaluation tool. Therefore, although the index is still a prototype, it represents an innovation in the field of environmental management. A simple exemplary case is presented, about a European Spring School held at University of Perugia (Italy) in 2014, in which the application of METER showed a sustainability assessment score of 638 points out of 1000, with an excellent management of waste, catering, internal travel and participation aspects. PMID- 29197810 TI - An assessment on the environmental contamination caused by the Fukushima accident. AB - The radiological releases from the damaged fuel to the atmosphere and into the cooling water in the Fukushima Daiich Nuclear Power Plant (FDNPP) accident are investigated. Atmospheric releases to the land and ocean mostly occurred during the first week after the accident whereas continuous release from the damaged fuel into the cooling water resulted in an accumulation of contaminated water in the plant during last six years. An evaluation of measurement data and analytical model for the release of radionuclides indicated that atmospheric releases were mainly governed by the volatility of the radionuclides. Using the measurement data on the contaminated water, the mechanism for the release of long-lived radionuclides into the cooling water was analyzed. It was found that the radioactivity concentrations of 90Sr in the contaminated water in the Primary Containment Vessel (PCV) of unit 2 and unit 3 were consistently higher than that of 137Cs and the radioactivity concentration of 90Sr in the turbine building of unit 1 in year 2015 was higher than that in year 2011. It was also observed that the radioactivity concentration of long-lived radionuclides in the contaminated water in the FDNPP is still high even in year 2015. The activity ratio of 238Pu/239+240Pu for the contaminated water was in the range of 1.7-5.4, which was significantly different from the ratios from the soil samples representing the atmospheric releases of FDNPP. It is concluded that the release mechanisms into the atmosphere and cooling water are clearly different and there has been significant amount of long-lived radionuclides released into the contaminated water. PMID- 29197811 TI - Physical examination of dizziness in athletes after a concussion: A descriptive study. AB - BACKGROUND: Dizziness is commonly reported after concussion. With the forces experienced at the time of the injury, several anatomical locations may have been altered, causing dizziness. OBJECTIVE: Describe an objective examination and the types of impairment/dysfunction implicated by the results of clinical examination tests in subjects with dizziness after a concussion. DESIGN: Cross-Sectional. METHODS: Athletes between ages 10-23 were enrolled with a diagnosis of concussion. An examination was completed to identify areas potentially contributing to dizziness, including tests of oculomotor control, the vestibular system, neuromotor control, and musculoskeletal components of the cervical spine. Descriptive analyses were completed to define the anatomical areas/types of dysfunction identified by positive findings of the examination tests. RESULTS: All (n = 41; 100%) subjects had examination findings consistent with central dysfunction. Of these, 36 (97.8%) had oculomotor control deficits; 29 (70.7%) demonstrated motion sensitivity; and 6 (15%) had central vestibular deficits. Nineteen (46.3%) had peripheral dysfunction, including 18 (43.9%) with unilateral hypofunction, and 2 (4.9%) with Benign Paroxysmal Positional Vertigo. Thirty-four (82.9%) had cervical dysfunction, with 11 (26.8%) presenting with cervicogenic dizziness, and 31 (75.6%) with altered neuromotor control. CONCLUSIONS: Functional injury to centrally-mediated pathways, specifically oculomotor control, and afferent and efferent pathways in the cervical spine are commonly identified through clinical examination tests in individuals with a complaint of dizziness post-concussion. According to results presented here, a high majority (90%) of the participants demonstrated dizziness that appeared to be multifactorial in nature and was not attributable to one main type of dysfunction. The common pathways between the systems make it difficult to isolate only one anatomical area as a contributor to dizziness. PMID- 29197812 TI - An optical fiber-based LSPR aptasensor for simple and rapid in-situ detection of ochratoxin A. AB - Label-free biosensing methods that rely on the use of localized surface plasmon resonance (LSPR) have attracted great attention as a result of their simplicity, high sensitivity, and relatively low cost. However, in-situ analysis of real samples using these techniques has remained challenging because colloidal nanoparticles (NPs) can be unstable at certain levels of pH and salt concentration. Even in the case of a chip-type LSPR sensor that can resolve the instability problem by employing NPs immobilized on the substrate, loading of a sample to sensor chip with exact volume control can be difficult for unskilled users. Herein, we report an optical-fiber-based LSPR aptasensor that can avoid these problems and serve as a portable and simple system for sensitive detection of a small mycotoxin, ochratoxin A (OTA), in real samples. The optical fiber coated with aptamer-modified gold nanorods (GNRs) is simply dipped into a solution containing OTA and subjected to LSPR analysis. Quantitative analysis of OTA is performed by measuring the spectral red shift of the LSPR peak of GNRs. Under optimized conditions, the LSPR peak shift displays a linear response (R2 = 0.9887) to OTA in the concentration range from 10pM to 100nM, with a limit of detection of 12.0pM (3S). The developed sensor shows a high selectivity for OTA over other mycotoxins such as zearalenone (ZEN) and ochratoxin B (OTB), and shows an accurate detection capability for OTA in real grape juice samples. PMID- 29197813 TI - Distribution and ecological risk assessment of cadmium in water and sediment in Longjiang River, China: Implication on water quality management after pollution accident. AB - In early January 2012, the Longjiang River was subjected to a serious cadmium (Cd) pollution accident, which led to negatively environmental and social impacts. A series of measures of emergency treatment were subsequently taken to reduce water Cd level. However, little information was available about the change of Cd level in environmental matrices and long-term effect of this pollution accident to aquatic ecosystem. Thus, this study investigated the distribution of Cd in water and sediment of this river for two years since pollution accident, as well as assessed its ecological risk to aquatic ecosystem of Longjiang River. The results showed that it was efficient for taking emergency treatment measures to decrease water Cd concentration to below the threshold value of national drinking water quality standard of China. There was high risk (HQ > 1) to aquatic ecosystem in some of reaches between February and July 2012, but low or no risk (HQ < 1) between December 2012 to December 2013. Cd concentration in sediment in polluted reaches increased after pollution accident and emergency treatments in 2012, but decreased in 2013. During flood period, the sediment containing high concentration of Cd in Longjiang River was migrated to downstream Liujiang River. Cd content in sediment was reduced to background level after two years of the pollution accident occurrence. The study provides basic information about Cd levels in different media after pollution accident, which is helpful in evaluating the effectiveness of emergency treatments and the variation of ecological risk, as well as in conducting water management and conservation. PMID- 29197814 TI - Microscopic insight into precipitation and adsorption of As(V) species by Fe based materials in aqueous phase. AB - The mechanism of As(V) removal from the drinking water and industrial effluents by iron materials remains unclear at the molecular level. In this work, the association of Fe-based materials with As(V) species was explored using density functional theory and ab initio calculations. Solvent separated ion pair structures of [FeH2AsO4]2+aq species may be dominant in an acidic solution of FeAs complex. The association trend of H2AsO4- species by Fe3+aq is found to be quite weak in the aqueous solution, which may be attributed to the strong hydration of Fe3+aq and [FeH2AsO4]2+ species. However, the association of H2AsO4- species by colloidal clusters is quite strong, due to the weakened hydration of Fe(III) in colloidal structures. The hydrophobicity of Fe-based materials may be one of the key factors for their As(V) removal efficiency in an aqueous phase. When the number of OH- coordinated with Fe(III) increases, the association trend of As(V) by colloidal ferric hydroxides weakens accordingly. This study provides insights into understanding the coprecipitation and adsorption mechanisms of arsenate removal and revealing the high efficiency of arsenate removal by colloidal ferric hydroxides or iron salts under moderate pH conditions. PMID- 29197815 TI - Nano-litter from cigarette butts: Environmental implications and urgent consideration. AB - Cigarette butts (CGB) are equivalent to plastic litter in terms of number of pieces released directly into the environment. Due to their small size and social use, CGB are commonly found in natural systems, and several questions have been raised concerning the contaminants that are released with CGB, including metals, organic species, and nanoparticles. The aim of the present study is to investigate the release of nanoscale particles from CGB by leaching with rainwater. After seven days of passive stirring of both smoked and unsmoked CGB in synthetic rainwater, the solutions were treated and analyzed by specific nano analytical methods. Our results demonstrate the release of 4.12 +/- 0.24% (w/CGB) organic carbon in the range of 10 nm up to 400 nm and with a z-average diameter of 202.4 +/- 74.1 nm. The fractal dimension (Df) of the nanoscale particles ranges from 1.14 to 1.52 and suggests a soot (carbon)-based composition. The analysis of some metallic species (As, Pb, Cd, Cu, Ni, Cr, Co, Al, Mn, Zn, and Fe) shows that these species are essentially attached to the nanoscale particles per gram of carbon released. By considering the diffusion of the nanomaterials into different environmental compartments, our results suggest a new emerging and global contamination of the environment by cigarette butts, comparable to plastic litter, which urgently needs to be considered. PMID- 29197816 TI - Influence of biomass acclimation on the performance of a partial nitritation anammox reactor treating industrial saline effluents. AB - The performance of the partial nitritation/anammox processes was evaluated for the treatment of fish canning effluents. A sequencing batch reactor (SBR) was fed with industrial wastewater, with variable salt and total ammonium nitrogen (TAN) concentrations in the range of 1.75-18.00 g-NaCl L-1 and 112 - 267 mg-TAN L-1. The SBR operation was divided into two experiments: (A) progressive increase of salt concentrations from 1.75 to 18.33 g-NaCl L-1; (B) direct application of high salt concentration (18 g-NaCl L-1). The progressive increase of NaCl concentration provoked the inhibition of the anammox biomass by up to 94% when 18 g-NaCl L-1 were added. The stable operation of the processes was achieved after 154 days when the nitrogen removal rate was 0.021 +/- 0.007 g N/L.d (corresponding to 30% of removal efficiency). To avoid the development of NOB activity at low salt concentrations and to stabilize the performance of the processes dissolved oxygen was supplied by intermittent aeration. A greater removal rate of 0.029 +/- 0.017 g-N L-1 d-1 was obtained with direct exposure of the inoculum to 18 g-NaCl L-1 in less than 40 days. Also, higher specific activities than those from the inoculum were achieved for salt concentrations of 15 and 20 g-NaCl L-1 after 39 days of operation. This first study of the performance of the partial nitritation/anammox processes, to treat saline wastewaters, indicates that the acclimation period can be avoided to shorten the start-up period for industrial application purposes. Nevertheless, further experiments are needed in order to improve the efficiency of the processes. PMID- 29197817 TI - Binary culture of microalgae as an integrated approach for enhanced biomass and metabolites productivity, wastewater treatment, and bioflocculation. AB - Ecological studies of microalgae have revealed their potential to co-exist in the natural environment. It provides an evidence of the symbiotic relationship of microalgae with other microorganisms. The symbiosis potential of microalgae is inherited with distinct advantages, providing a venue for their scale-up applications. The deployment of large-scale microalgae applications is limited due to the technical challenges such as slow growth rate, low metabolites yield, and high risk of biomass contamination by unwanted bacteria. However, these challenges can be overcome by exploring symbiotic potential of microalgae. In a symbiotic system, photosynthetic microalgae co-exist with bacteria, fungi, as well as heterotrophic microalgae. In this consortium, they can exchange nutrients and metabolites, transfer gene, and interact with each other through complex metabolic mechanism. Microalgae in this system, termed as a binary culture, are reported to exhibit high growth rate, enhanced bio-flocculation, and biochemical productivity without experiencing contamination. Binary culture also offers interesting applications in other biotechnological processes including bioremediation, wastewater treatment, and production of high-value metabolites. The focus of the study is to provide a perspective to enhance the understanding about microalgae binary culture. In this review, the mechanism of binary culture, its potential, and limitations are briefly discussed. A number of queries are evolved through this study, which needs to be answered by executing future research to assess the real potential of binary culture. PMID- 29197818 TI - Application of volume-retarded osmosis and low-pressure membrane hybrid process for water reclamation. AB - A new concept of volume-retarded osmosis and low-pressure membrane (VRO-LPM) hybrid process was developed and evaluated for the first time in this study. Commercially available forward osmosis (FO) and ultrafiltration (UF) membranes were employed in a VRO-LPM hybrid process to overcome energy limitations of draw solution (DS) regeneration and production of permeate in the FO process. To evaluate its feasibility as a water reclamation process, and to optimize the operational conditions, cross-flow FO and dead-end mode UF processes were individually evaluated. For the FO process, a DS concentration of 0.15 g mL-1 of polysulfonate styrene (PSS) was determined to be optimal, having a high flux with a low reverse salt flux. The UF membrane with a molecular weight cut-off of 1 kDa was chosen for its high PSS rejection in the LPM process. As a single process, UF (LPM) exhibited a higher flux than FO, but this could be controlled by adjusting the effective membrane area of the FO and UF membranes in the VRO-LPM system. The VRO-LPM hybrid process only required a circulation pump for the FO process. This led to a decrease in the specific energy consumption of the VRO-LPM process for potable water production, that was similar to the single FO process. Therefore, the newly developed VRO-LPM hybrid process, with an appropriate DS selection, can be used as an energy efficient water production method, and can outperform conventional water reclamation processes. PMID- 29197819 TI - Effects of the neonicotinoids acetamiprid and thiacloprid in their commercial formulations on soil fauna. AB - Neonicotinoids are the most prominent group of insecticides in the world and are commercialized in over 120 countries for the control of agricultural pests mainly due to their broad-spectrum activity and versatility in application. Though non target soil organisms are likely to be exposed during application, there is paucity of information in scientific literature regarding their sensitivity to neonicotinoids. This study attempts to fill this gap by evaluating, under laboratory conditions, the chronic toxicity of the neonicotinoids thiacloprid and acetamiprid, through their commercial formulations (CF), to the soil invertebrates Folsomia candida, Eisenia andrei and Enchytraeus crypticus. Results obtained indicate that the relative reproductive sensitivity of the test organisms can be expressed as: F. candida = E. andrei > E. crypticus (for acetamiprid CF) and E. andrei > F. candida > E. crypticus (for thiacloprid CF). To extrapolate from laboratory test results to field conditions, predicted environmental concentrations (PECs) and predicted no-effect concentrations were derived. Calculated toxicity-exposure ratios (TER = EC10/PEC) were below trigger values for acetamiprid and thiacloprid, when estimated with initial PEC. While estimated hazard quotients (HQ = PEC/PNEC), were greater than the European Commission trigger value. Therefore, with the current data under standard environmental risk assessment schemes it can be considered that the risk of thiacloprid and acetamiprid to the soil compartment is unacceptable. However, further research into the effects of these substances on different organisms is required to increase the confidence in the risk assessment estimates for instance, by calculating hazardous concentrations using species sensitivity distribution curves. PMID- 29197821 TI - Penicillium purpurogenum produces a novel endo-1,5-arabinanase, active on debranched arabinan, short arabinooligosaccharides and on the artificial substrate p-nitrophenyl arabinofuranoside. AB - Penicillium purpurogenum secretes numerous lignocellulose-degrading enzymes, including four arabinofuranosidases and an exo-arabinanase. In this work, the biochemical properties of an endo-arabinanase (ABN1) are presented. A gene, coding for a potential ABN was mined from the genome. It includes three introns. The cDNA is 975 bp long and codes for a mature protein of 324 residues. The cDNA was expressed in Pichia pastoris. The enzyme is active on debranched arabinan and arabinooligosaccharides. In contrast to other characterized ABNs, inactive on p nitrophenyl-alpha-L-arabinofuranoside (pNPAra), ABN1 is active on this substrate. The enzyme has an optimal pH of 4.5 and an optimal temperature of 30-35 degrees C. Calcium does not activate ABN1. ABN1 belongs to GH family 43 sub-family 6, and a Clustal alignment with sequences of characterized fungal ABNs shows highest identity (54.6%) with an ABN from Aspergillus aculeatus. A three-dimensional model of ABN1 was constructed and the docking with pNPAra was compared with similar models of an enzyme very active on this substrate and another lacking activity, both from GH family 43. Differences in the number of hydrogen bonds between enzyme and substrate, and distance between the substrate and the catalytic residues may explain the differences in activity shown by these enzymes. PMID- 29197820 TI - Demonstration of a consensus approach for the calculation of physicochemical properties required for environmental fate assessments. AB - Eight software applications are compared for their performance in estimating the octanol-water partition coefficient (Kow), melting point, vapor pressure and water solubility for a dataset of polychlorinated biphenyls, polybrominated diphenyl ethers, polychlorinated dibenzodioxins, and polycyclic aromatic hydrocarbons. The predicted property values are compared against a curated dataset of measured property values compiled from the scientific literature with careful consideration given to the analytical methods used for property measurements of these hydrophobic chemicals. The variability in the predicted values from different calculators generally increases for higher values of Kow and melting point and for lower values of water solubility and vapor pressure. For each property, no individual calculator outperforms the others for all four of the chemical classes included in the analysis. Because calculator performance varies based on chemical class and property value, the geometric mean and the median of the calculated values from multiple calculators that use different estimation algorithms are recommended as more reliable estimates of the property value than the value from any single calculator. PMID- 29197822 TI - Radiation resistant PIDECalpha cell using photon intermediate direct energy conversion and a 210Po source. AB - Radiation damage is a significant concern with both alphavoltaic and betavoltaic cells because their performance degrades, especially with high-energy - (>200keV) beta and alpha particles. Indirect excitation methods, such as the Photon Intermediate Direct Energy Conversion (PIDEC) framework, can protect the transducer from radiation. A nuclear battery using a 90Sr beta source was constructed by the author's research group, which demonstrated the radiation resistance of a PIDEC cell driven by beta particles (PIDECbeta cell). Use of alpha sources to drive nuclear batteries would appear to be much more attractive than beta sources due to higher potential power density. However, they are also subject to higher rates of radiation damage. This paper describes the successful incorporation of alpha particles into the PIDEC framework using the alpha emitter 210Po to form a PIDECalpha cell. The PIDECalpha cell transducer was exposed to alpha particles for over one year without experiencing adverse effects from radiation damage. PMID- 29197823 TI - Bacterial social interactions and the emergence of community-intrinsic properties. AB - Bacterial communities are dominated and shaped by social interactions, which facilitate the emergence of properties observed only in the community setting. Such community-intrinsic properties impact not only the phenotypes of cells in a community, but also community composition and function, and are thus likely to affect a potential host. Studying community-intrinsic properties is, therefore, important for furthering our understanding of clinical, applied and environmental microbiology. Here, we provide recent examples of research investigating community-intrinsic properties, focusing mainly on community composition and interactions in multispecies biofilms. We hereby wish to emphasize the importance of studying social interactions in settings where community-intrinsic properties are likely to emerge. PMID- 29197824 TI - Measurement of harms in community care: a qualitative study of use of the NHS Safety Thermometer. AB - OBJECTIVES: Measurement is a vital part of improvement work. While it is known that the context of improvement work influences its success, less is known about how context affects measurement of underlying harms. We sought to explore the use of a harm measurement tool, the NHS Safety Thermometer (NHS-ST), designed for use across diverse healthcare settings in the particular context of community care. METHODS: This is a qualitative study of 19 National Health Service (NHS) organisations, 7 of which had community service provision. We conducted ethnographic observations of practice and interviews with front-line nursing and senior staff. Analysis was based on the constant comparison method. RESULTS: Measurement in community settings presents distinct challenges, calling into question the extent to which measures can be easily transferred. The NHS-ST was seen as more appropriate for acute care, not least because community nurses did not have the same access to information. Data collection requirements were in tension with maintaining a relationship of trust with patients. The aim to collect data across care settings acted to undermine perceptions of the representativeness of community data. Although the tool was designed to measure preventable harms, care providers questioned their preventability within a community setting. Different harms were seen as priorities for measurement and improvement within community settings. CONCLUSIONS: Measurement tools are experienced by healthcare staff as socially situated. In the community setting, there are distinct challenges to improving care quality not experienced in the acute sector. Strategies to measure harms, and use of any resulting data for improvement work, need to be cognisant of the complexity of an environment where healthcare staff often have little opportunity to monitor and influence patients. PMID- 29197825 TI - Choriocapillaris flow deficit in Bietti crystalline dystrophy detected using optical coherence tomography angiography. AB - BACKGROUND/AIMS: This study aimed to evaluate blood flow in the choriocapillaris in patients with Bietti crystalline dystrophy (BCD) with CYP4V2 mutations using optical coherence tomography angiography (OCTA), and to explore the parameters associated with visual function. METHODS: This prospective case-series study included 13 eyes of 13 consecutive patients with BCD with CYP4V2 mutations and 20 healthy eyes. Using OCTA, we obtained en face images of blood flow in the choriocapillaris. The residual choriocapillaris area on en face images in a 10 degrees *10 degrees macular cube was manually measured and graded according to whether the choriocapillaris remained at the subfovea. We also investigated factors associated with visual acuity (VA) and the mean deviation (MD) value using a Humphrey field analyser with a 10-2 Swedish Interactive Threshold Algorithm standard program among OCTA-derived parameters. RESULTS: Choriocapillaris blood flow deficit was observed in 12 eyes (92%), whereas this was observed in none of healthy eyes. The adjusted residual choriocapillaris area was 2.47+/-1.79 mm2. The presence of the choriocapillaris at the subfovea was significantly correlated with VA and the MD value (P=0.006, r=0.71; P=0.04, r= 0.59, respectively). CONCLUSIONS: Using OCTA, choriocapillaris blood flow deficit could be observed in most patients with BCD with CYP4V2 mutations. The presence of the choriocapillaris at the subfovea was significantly correlated with visual function in these patients. Analysis of choriocapillaris blood flow using OCTA allows non-invasive assessment of the patient's state. PMID- 29197826 TI - Effects of host cell sterol composition upon internalization of Yersinia pseudotuberculosis and clustered beta1 integrin. AB - Yersinia pseudotuberculosis is a foodborne pathogenic bacterium that causes acute gastrointestinal illness, but its mechanisms of infection are incompletely described. We examined how host cell sterol composition affected Y. pseudotuberculosis uptake. To do this, we depleted or substituted cholesterol in human MDA-MB-231 epithelial cells with various alternative sterols. Decreasing host cell cholesterol significantly reduced pathogen internalization. When host cell cholesterol was substituted with various sterols, only desmosterol and 7 dehydrocholesterol supported internalization. This specificity was not due to sterol dependence of bacterial attachment to host cells, which was similar with all sterols studied. Because a key step in Y. pseudotuberculosis internalization is interaction of the bacterial adhesins invasin and YadA with host cell beta1 integrin, we compared the sterol dependence of wildtype Y. pseudotuberculosis internalization with that of Deltainv, DeltayadA, and DeltainvDeltayadA mutant strains. YadA deletion decreased bacterial adherence to host cells, whereas invasin deletion had no effect. Nevertheless, host cell sterol substitution had a similar effect on internalization of these bacterial deletion strains as on the wildtype bacteria. The DeltainvDeltayadA double mutant adhered least to cells and so was not significantly internalized. The sterol structure dependence of Y. pseudotuberculosis internalization differed from that of endocytosis, as monitored using antibody-clustered beta1 integrin and previous studies on other proteins, which had a more permissive sterol dependence. This study suggests that agents could be designed to interfere with internalization of Yersinia without disturbing endocytosis. PMID- 29197827 TI - Intermediate-Term Risk of Stroke Following Cardiac Procedures in a Nationally Representative Data Set. AB - BACKGROUND: Studies on stroke risk following cardiac procedures addressed only perioperative and long-term risk following limited higher-risk procedures, were poorly generalizable, and often failed to stratify by stroke type. We calculated stroke risk in the intermediate risk period following cardiac procedures compared with common noncardiac surgeries and medical admissions. METHODS AND RESULTS: The Nationwide Readmissions Database contains readmission data for 49% of US admissions in 2013. We compared age-adjusted stroke readmission rates up to 90 days postdischarge. We used Cox regression to calculate hazard ratios, up to 1 year, of stroke risk comparing transcatheter aortic valve replacement versus surgical aortic valve replacement and coronary artery bypass graft versus percutaneous coronary intervention. Procedures and diagnoses were identified by International Classification of Disease, Ninth Revision, Clinical Modification codes. After cardiac procedures, 90-day ischemic stroke readmission rate was highest after transcatheter aortic valve replacement (2.05%); 90-day hemorrhagic stroke rate was highest after left ventricular assist device placement (0.09%). The hazard ratio for ischemic stroke after transcatheter aortic valve replacement, compared with surgical aortic valve replacement, in fully adjusted Cox models was 1.86 (95% confidence interval, 1.12-3.08; P=0.016) and 6.17 (95% confidence interval, 1.97-19.33; P=0.0018) for hemorrhagic stroke. There was no difference between coronary artery bypass graft and percutaneous coronary intervention. CONCLUSIONS: We demonstrated elevated readmission rates for ischemic and hemorrhagic stroke in the intermediate 30-, 60-, and 90-day risk periods following common cardiac procedures. Furthermore, we found an elevated risk of stroke after transcatheter aortic valve replacement compared with surgical aortic valve replacement up to 1 year. PMID- 29197828 TI - Matrine-Type Alkaloids Inhibit Advanced Glycation End Products Induced Reactive Oxygen Species-Mediated Apoptosis of Aortic Endothelial Cells In Vivo and In Vitro by Targeting MKK3 and p38MAPK Signaling. AB - BACKGROUND: The matrine-type alkaloids are bioactive components extracted from Sophora flavescens, which is used in treatment of diabetes mellitus in traditional Chinese medicine. Advanced glycation end products mediate diabetic vascular complications. This study was aimed to investigate the protective effects and molecular mechanisms of matrine-type alkaloids on advanced glycation end products-induced reactive oxygen species-mediated endothelial apoptosis. METHODS AND RESULTS: Rats aorta and cultured rat aortic endothelial cells were exposed to advanced glycation end products. Matrine-type alkaloids, p38 mitogen activated protein kinase (MAPK) inhibitor, and small interference RNAs against p38 MAPK kinases MAPK kinase kinase (MKK)3 and MKK6 were administrated. Intracellular reactive oxygen species production, cell apoptosis, phosphorylation of MKKs/p38 MAPK, and expression levels of heme oxygenase/NADPH quinone oxidoreductase were assessed. The nuclear factor erythroid 2-related factor 2 nuclear translocation and the binding activity of nuclear factor erythroid 2 related factor 2 with antioxidant response element were also evaluated. Matrine type alkaloids suppressed intracellular reactive oxygen species production and inhibited endothelial cell apoptosis in vivo and in vitro by recovering phosphorylation of MKK3/6 and p38 MAPK, nuclear factor erythroid 2-related factor 2 nuclear translocation, and antioxidant response element binding activity, as well as the expression levels of heme oxygenase/NADPH quinone oxidoreductase. p38 MAPK inhibitor treatment impaired the effects of matrine-type alkaloids in vivo and in vitro. MKK3/6 silencing impaired the effects of matrine-type alkaloids in vitro. CONCLUSIONS: Matrine-type alkaloids exert endothelial protective effects against advanced glycation end products induced reactive oxygen species-mediated apoptosis by targeting MKK3/6 and enhancing their phosphorylation. PMID- 29197829 TI - Cadmium, Carotid Atherosclerosis, and Incidence of Ischemic Stroke. AB - BACKGROUND: Exposure to cadmium has been associated with carotid plaques, inflammation in carotid plaques, and increased risk of ischemic stroke. This study examined the separate and interacting effects of blood cadmium levels and carotid plaques on the risk of incident ischemic stroke. METHODS AND RESULTS: Cadmium levels were measured in 4156 subjects (39.2% men; mean+/-SD age 57.3+/ 5.9 years) without history of stroke, from the Malmo Diet and Cancer cohort. The right carotid artery was examined using B-mode ultrasound examination at baseline. Incidence of ischemic stroke was monitored over a mean follow-up of 16.7 years. Carotid plaque was present in 34.5% of participants. Cadmium was significantly higher in subjects with plaque (mean+/-SD: 0.53+/-0.58 MUg/L versus 0.42+/-0.49 MUg/L; P<0.001). A total of 221 subjects had ischemic stroke during the follow-up. Incidence of ischemic stroke was associated both with carotid plaque (hazard ratio 1.44, 95% confidence interval, 1.09-1.90, P=0.009) and cadmium (hazard ratio for quartile [Q] 4 versus Q1-3: 1.95, confidence interval, 1.33-2.85, P=0.001), after adjustment for risk factors. There was a significant interaction between cadmium and plaque with respect to risk of ischemic stroke (P=0.011). Adjusted for risk factors, subjects with plaque and cadmium in Q4 had a hazard ratio of 2.88 (confidence interval, 1.79-4.63) for ischemic stroke, compared with those without plaque and cadmium in Q1 to Q3. CONCLUSIONS: Cadmium was associated with incidence of ischemic stroke, both independently and in synergistic interaction with carotid plaques. This supports the hypothesis that cadmium promotes vulnerability of carotid plaques, thereby increasing the risk of rupture and ischemic stroke. PMID- 29197831 TI - Association Between Smoking and Serum GlycA and High-Sensitivity C-Reactive Protein Levels: The Multi-Ethnic Study of Atherosclerosis (MESA) and Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). PMID- 29197830 TI - Association of Accelerometry-Measured Physical Activity and Cardiovascular Events in Mobility-Limited Older Adults: The LIFE (Lifestyle Interventions and Independence for Elders) Study. AB - BACKGROUND: Data are sparse regarding the value of physical activity (PA) surveillance among older adults-particularly among those with mobility limitations. The objective of this study was to examine longitudinal associations between objectively measured daily PA and the incidence of cardiovascular events among older adults in the LIFE (Lifestyle Interventions and Independence for Elders) study. METHODS AND RESULTS: Cardiovascular events were adjudicated based on medical records review, and cardiovascular risk factors were controlled for in the analysis. Home-based activity data were collected by hip-worn accelerometers at baseline and at 6, 12, and 24 months postrandomization to either a physical activity or health education intervention. LIFE study participants (n=1590; age 78.9+/-5.2 [SD] years; 67.2% women) at baseline had an 11% lower incidence of experiencing a subsequent cardiovascular event per 500 steps taken per day based on activity data (hazard ratio, 0.89; 95% confidence interval, 0.84-0.96; P=0.001). At baseline, every 30 minutes spent performing activities >=500 counts per minute (hazard ratio, 0.75; confidence interval, 0.65-0.89 [P=0.001]) were also associated with a lower incidence of cardiovascular events. Throughout follow-up (6, 12, and 24 months), both the number of steps per day (per 500 steps; hazard ratio, 0.90, confidence interval, 0.85-0.96 [P=0.001]) and duration of activity >=500 counts per minute (per 30 minutes; hazard ratio, 0.76; confidence interval, 0.63-0.90 [P=0.002]) were significantly associated with lower cardiovascular event rates. CONCLUSIONS: Objective measurements of physical activity via accelerometry were associated with cardiovascular events among older adults with limited mobility (summary score >10 on the Short Physical Performance Battery) both using baseline and longitudinal data. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT01072500. PMID- 29197832 TI - Comparison of Deep Sedation With General Anesthesia in Patients Undergoing Percutaneous Mitral Valve Repair. AB - BACKGROUND: Percutaneous edge-to-edge mitral valve repair (PMVR) has become an established treatment option for mitral regurgitation in patients not eligible for surgical repair. Currently, most procedures are performed under general anesthesia (GA). An increasing number of centers, however, are performing the procedure under deep sedation (DS). Here, we compared patients undergoing PMVR with GA or DS. METHODS AND RESULTS: A total of 271 consecutive patients underwent PMVR at our institution between May 2014 and December 2016. Seventy-two procedures were performed under GA and 199 procedures under DS. We observed that in the DS group, doses of propofol (743+/-228 mg for GA versus 369+/-230 mg for DS, P<0.001) and norepinephrine (1.1+/-1.6 mg for GA versus 0.2+/-0.3 mg for DS, P<0.001) were significantly lower. Procedure time, fluoroscopy time, and dose area product were significantly higher in the GA group. There was no significant difference between GA and DS with respect to overall bleeding complications, postinterventional pneumonia (4% for GA versus 5% for DS), or C-reactive protein levels (361+/-351 nmol/L for GA versus 278+/-239 nmol/L for DS). Significantly fewer patients with DS needed a postinterventional stay in the intensive care unit (96% for GA versus 19% for DS, P<0.001). Importantly, there was no significant difference between DS and GA regarding intrahospital or 6-month mortality. CONCLUSIONS: DS for PMVR is safe and feasible. No disadvantages with respect to procedural outcome or complications in comparison to GA were observed. Applying DS may simplify the PMVR procedure. PMID- 29197833 TI - Prehospital intravenous access for survival from out-of-hospital cardiac arrest: propensity score matched analyses from a population-based cohort study in Osaka, Japan. AB - OBJECTIVES: Prehospital intravenous access is a common intervention for patients with out-of-hospital cardiac arrest (OHCA). We aimed to assess the effectiveness of prehospital intravenous access and subsequent epinephrine administration on outcomes among OHCA patients. METHODS: We conducted a prospective cohort study of patients with OHCA from non-traumatic causes aged >=18 years in Osaka, Japan from January 2005 through December 2012. The primary outcome was 1-month survival with favourable neurological outcome defined as a cerebral performance category of 1 or 2. The association between intravenous line placement and survival with favourable neurological outcome was evaluated by logistic regression, after propensity score matching for the intravenous access attempt stratified by initial documented rhythm of ventricular fibrillation (VF) or non-VF. The contribution of epinephrine administration to the outcome was also explored. RESULTS: Among OHCA patients during the study period, 3208 VF patients and 38 175 non-VF patients were included in our analysis. Intravenous access attempt was negatively associated with 1-month survival with a favourable neurological outcome in VF group (OR 0.76, 95% CI 0.59 to 0.98), while no association was observed in the non-VF group (OR 1.06, 95% CI 0.84 to 1.34). Epinephrine administration had no positive association in the VF patients (OR 0.75, 95% CI 0.51 to 1.07) and positively associated in the non-VF patients (OR 1.52, 95% CI 1.08 to 2.08) with the favourable neurological outcome. CONCLUSIONS: Intravenous access attempt could be negatively associated with survival with a favourable neurological outcome after OHCA. Subsequent epinephrine administration might be effective for non-VF OHCAs. PMID- 29197834 TI - Study protocol for statin web-based investigation of side effects (StatinWISE): a series of randomised controlled N-of-1 trials comparing atorvastatin and placebo in UK primary care. AB - INTRODUCTION: Statins are effective at preventing cardiovascular disease, widely prescribed and their use is growing. Uncertainty persists about whether they cause symptomatic muscle adverse effects, such as pain and weakness, in the absence of statin myopathy. Discrepancies between data from observational studies, which suggest statins are associated with excess muscle symptoms, and from randomised trials, which suggest no such excess, have caused confusion. N-of 1 trials offer the opportunity to establish whether muscle symptoms during statin use are caused by statins in particular individuals. METHODS AND ANALYSIS: This series of 200 randomised, double-blinded N-of-1 trials in primary care will determine (1) the effect of statins on all muscle symptoms and (2) the effect of statins on muscle pain that is perceived to be statin related. Patients who are considering discontinuing statin use due to muscle symptoms and those who have discontinued in the last 3 years due to such symptoms will be recruited. Participants will be randomised to a sequence of six 2-month treatment periods during which they will receive atorvastatin 20 mg per day or matched placebo. On each of the last 7 days of each treatment period, participants will rate their muscle symptoms on a Visual Analogue Scale (VAS).At the end of their trial, participants will be shown numerical and graphical summaries of their own symptom data during statin and placebo periods. The primary analysis on the aggregate data from all participants will be a linear mixed model for VAS muscle symptom score, comparing scores during treatment with statin and placebo. ETHICS AND DISSEMINATION: This trial received a favourable opinion from South Central Hampshire A Research Ethics Committee. Results will be published in a peer reviewed medical journal. Dissemination of results to patients will take place via the media, website (statinwise.lshtm.ac.uk) and patient organisations. TRIAL REGISTRATION NUMBER: ISRCTN30952488. PMID- 29197835 TI - Kombucha: is a cup of tea good for you? AB - A 54-year-old asthmatic woman presented to hospital with a 10-day history of breathlessness. On examination, she was tachypnoeic with mild wheeze. She had preserved peak flows and was saturating at 100% on room air. Investigations revealed severe metabolic lactic acidosis. On further questioning, it transpired that she drank kombucha tea, which has been linked to lactic acidosis. She made a full recovery with supportive management and cessation of the tea. PMID- 29197836 TI - Systemic lupus erythematosus (SLE): an unusual cause of ileocolic intussusception. AB - Intussusception is a rare diagnosis in adults. Gastrointestinal involvement is not unusual in systemic lupus erythematosus (SLE).1 A case of intussusception as first presenting symptom of SLE is described. A 50-year-old woman of Chinese origin came to the emergency room with symptoms of high fever, nausea, vomiting and weight loss of 10 kg. Three months before, an episode with abdominal pain due to ileal invagination in the colon occurred. Laboratory analysis showed: thrombocytopaenia, lymphopaenia, positive antinuclear antibody, antidouble stranded DNA, Coombs tests and low C3 in combination with an active urine sediment and proteinuria. CT and positron emission tomography scan showed lymphadenopathy, but no other abnormalities. Axillar lymph node biopsy showed no abnormalities. The diagnosis new-onset SLE was made. Prednisone treatment was started and soon thereafter tapered, azathioprine and hydroxychloroquine were added. During follow-up, the SLE remained in remission. SLE is a rare cause of ileocolic intussusception and ileocolic intussusception may be the first presenting symptom. PMID- 29197837 TI - Bilateral ocular surface squamous neoplasia with bilateral periocular basal cell carcinoma in a case of xeroderma pigmentosum. AB - Xeroderma pigmentosum (XP) is an autosomal recessive disorder associated with multiple oculocutaneous manifestations.We discuss a unique case of XP having bilateral ocular surface squamous neoplasia (OSSN) and periocular basal cell carcinoma. In the right eye, a large OSSN mass involving the ocular surface extensively along with intraocular invasion was noted, whereas in the left eye, the tumour mass was involving the limbus, and extending up to three clock hours. Because of extensive disease in the right eye, orbital exenteration was performed, and for the left eye, a wide excision of the mass with triple freeze thaw cryo application to the margins followed by amniotic membrane grafting was done. Basal cell carcinoma was noted around the medial canthus on both sides. The right-sided basal cell carcinoma was treated by wide excision followed by a forehead rotation flap and the left-sided lesion was managed with topical 5% imiquimod cream. PMID- 29197838 TI - Leg length discrepancy: the importance of a complete history and examination. AB - A 26-year-old woman with a 1-year history of right knee pain had failed to respond to analgesia and activity modification in the community. Her general practitioner referred her to the orthopaedic department for specialist review. A thorough history revealed that she had multiple orthopaedic interventions as a child. The patient had significant postoperative infection of the left knee following knee surgery at 7 years of age. Examination demonstrated the presence of a limp, scoliosis and suspected leg length discrepancy. Plain film radiography confirmed the presence of leg length discrepancy, with the right limb measuring 30 mm longer than the left. The leg length discrepancy was likely secondary to a growth arrest of the left knee following the postoperative infection in childhood. The patient was managed with physiotherapy and heel raises and received regular orthopaedic follow-up. PMID- 29197839 TI - Rupture of the posterior cul-de-sac during trial of labour after caesarean section. AB - Rupture of the vaginal wall in unobstructed labour is a rare entity in the developed world. This case report describes rupture of the posterior cul-de-sac in a healthy 34-year-old multiparous woman attempting trial of labour after caesarean section. The woman presented to the labour ward at term with spontaneous onset of contractions. In the second stage of labour, the woman experienced sudden severe abdominal pain, different in character from the contraction pain. Therefore, the baby was delivered by ventouse extraction. As the woman continued to experience severe immobilising abdominal pain during the hospital stay, a CT scan was performed which revealed a haematoma and free fluid at the right side of the uterus. A laparotomy was performed 3 days postdelivery, during which a rupture of the posterior cul-de-sac was found and closed with a continuous suture. The woman was discharged 3 days after laparotomy in good clinical condition. PMID- 29197840 TI - The telescoping aorta: a case of circumferential aortic dissection with intimo intimal intussusception into the left ventricle. PMID- 29197841 TI - Haemorrhagic conversion of infectious myelitis in an immunocompromised patient. AB - A 28-year-old man recently diagnosed with HIV (CD4 19 cells/mm3, viral load 3.6 million copies/mL, not on highly active antiretroviral therapy on initial diagnosis at outside hospital), disseminated histoplasmosis, shingles and syphilis presented with paraplegia developing over 3 days. Spine MRI demonstrated a longitudinally extensive cord lesion extending from C3 to the tip of the conus. Brain MRI was consistent with meningoencephalitis. Cerebrospinal fluid findings were notable for positive varicella zoster virus (VZV) and cytomegalovirus (CMV) PCRs as well as a Venereal Disease Research Laboratory titre of 1:2. Patient was started on treatment for VZV and CMV meningoencephalitis, neurosyphilis and high dose steroids for infectious myelitis. Repeat spine MRI demonstrated subacute intramedullary haemorrhage of the cervical cord. He was ultimately discharged to a skilled nursing facility for long-term intravenous antiviral therapy and rehabilitation. After 59 days in the hospital, his neurological exam remained grossly unchanged, with flaccid paraplegia and lack of sensation to fine touch in his lower extremities. PMID- 29197842 TI - Angiomatosis of the uterus, cervix and fallopian tubes: a rare and benign cause of intractable, heavy menstrual bleeding. AB - Angiomatosis of the uterus, cervix and fallopian tubes is a rare and benign entity that has not been reported in the literature previously. We present a case of a 27-year-old patient with severe and intractable heavy menstrual bleeding unresponsive to all conservative and conventional forms of treatment. Following a laparoscopic hysterectomy, the histopathological finding of angiomatosis, a vascular abnormality in the uterus, cervix and fallopian tubes, provided a plausible explanation in this situation. PMID- 29197843 TI - Carcinoma en cuirasse. AB - We present a case of carcinoma en cuirasse as a presentation of advanced lobular breast carcinoma. On further investigation, she was found to have metastasis to her liver and bone. We report this case to highlight the phenomenon of cutaneous metastasis. It is important to consider this diagnosis as an initial manifestation of breast cancer, but rarely, it can also be associated with other adenocarcinomas, for example, carcinoma of lung, kidney or gastrointestinal tract. PMID- 29197844 TI - Volvulus of a wandering pelvic spleen: CT diagnosis with 3D reformatted illustration. PMID- 29197845 TI - Neck mass: an obstructive cause of respiratory distress with medical management. AB - Congenital goitre is a known cause of hypothyroidism in newborn. Congenital goitre can be due to defective synthesis of thyroxine or administration of antithyroid drugs to the mother during pregnancy. In this case report, we report an instance of a preterm male infant with antenatally detected goitre presenting as a neck mass with congenital hypothyroidism. Hormonal replacement therapy was started immediately after birth which lead to resolution of the mass and normalisation of thyroid function. PMID- 29197846 TI - Severe recurrent hypothermia in an elderly patient with refractory mania associated with atypical antipsychotic, valproic acid and oxcarbazepine therapy. AB - Hypothermia is a rare but serious condition that has been associated with various psychiatric medications. We present a 76-year-old woman with refractory mania who developed multiple episodes of severe hypothermia associated with several psychiatric medications including olanzapine, quetiapine, valproic acid and oxcarbazepine. These episodes resolved following discontinuation of the agents. The patient had never experienced hypothermia before, despite having been on these or similar agents for many years. With traditional treatments for mania not feasible, other medications were used to treat her including lithium, clonazepam, gabapentin and the novel protein kinase c inhibitor tamoxifen. The regimen resulted in some success and importantly, without triggering hypothermia. This case alerts clinicians to the rare side effect of hypothermia in response to various psychiatric medications, the fact that patients can suddenly develop this intolerance and suggests possible medications that may be used safely without triggering hypothermia. PMID- 29197847 TI - Perforated neuroenteric cyst masquerading as congenital pulmonary airway malformation. AB - A 3-month-old child was presented with haemoptysis with respiratory distress. Imaging was suggestive of a cavitary lesion in the lung with surrounding consolidation. Diagnosis of a primary lung pathology like congenital pulmonary airway malformation was considered. Based on clinical suspicion and prior experience, a Tc-99m pertechnetate radionuclide study was performed, which clinched the diagnosis of foregut duplication cyst. Intraoperative findings confirmed the presence of a neuroenteric cyst. The child remains asymptomatic on follow-up awaiting neurosurgical intervention for the intraspinal component of the cyst. PMID- 29197848 TI - Challenging and uncommon diagnosis of long-evolution ascites. AB - This is a case report of a 45-year-old Caucasian man with chronic alcoholism. No history of liver disease or asbestos exposure. He complained of ascites during the last 3 years with worsening in the last year with severe ascites development. Diagnostic paracentesis showed SAAG 1.1 and high cellularity with neutrophil count >250 cells/uL. Ascitic fluid cytology revealed reactive mesothelial hyperplasia. Thoracoabdominopelvic ultrasonography/CT/MRI and fludeoxyglucose positron emission tomography/CT showed 'omental cake' pattern suggesting peritoneal carcinomatosis. An exploratory laparoscopy revealed moderate interloop adhesions and necrosis with whitish exudate in the right pelvic excavation. Biochemical/cytological/histological/microbiological study only revealed reactive mesothelial cells, necrosis and lymphohistiocytic inflammatory infiltrate. A second exploratory laparoscopy with liver and peritoneal biopsies and appendectomy/mesoappendix excision showed a well-differentiated tubulopapillary mesothelioma. The patient was referred for intraperitoneal chemotherapy and is undergoing monthly therapeutic paracentesis. PMID- 29197849 TI - Retrovesical malignant fibrous histiocytoma: a rare tumor. AB - Malignant fibrous histiocytoma (MFH) originating from the retrovesical space is a very rare tumour. A 61-year-old man presented to our hospital with complaints of retention of urine and burning sensation during micturition since 6 months. CT scan abdomen showed a large retrovesical mass between the urinary bladder and rectum, measuring 11*9*12 cm, displacing the urinary bladder. Serum PSA (Prostate Specific Antigen) value was within normal range. Biopsy from retrovesical mass and immunohistochemistry was suggestive of MFH. Wide excision of the retrovesical mass was done. Histopathology confirmed the diagnosis of MFH. He received adjuvant radiotherapy. He is on regular follow-up since the last 2 years after radiotherapy with no signs and symptoms of disease recurrence. PMID- 29197850 TI - Preoperative simulation unveiled undetected surgical difficulties in a case of cochlear implantation. AB - We herein report a case in which extensive preparation changed a difficult-to treat patient into an easy one. We performed a revision cochlear implantation on a patient whose first procedure had been aborted due to unidentified difficulties. During a series of thorough three-dimensional simulations, we found that the patient in question had a normal cochlea but the cochlea was placed in an unusual position and orientation. This condition is difficult to detect on standard preoperative radiographic images. Through this simulation, we were able to propose a surgical plan to avoid making the same mistakes as the first surgeon. We present this case not as a rare difficult case of an unfortunate patient but instead emphasise the importance of performing surgical simulation and looking for non-obvious difficulties. This case is an example of the success that can be achieved with such extensive preparation. PMID- 29197851 TI - Deadly combination: Clostridium septicum and colorectal malignancy. AB - Gas gangrene is a life-threatening, necrotising soft tissue infection. Colorectal malignancy-associated Clostridiumsepticum is a rare cause of gas gangrene. This case outlines an initial presentation of colonic malignancy as gas gangrene from C.septicum infection.A 69-year-old man presented with abdominal pain, vomiting and constipation. Abdominal X-ray revealed dilated small bowel loops. Lactate was elevated. A diagnosis of small bowel obstruction was made. Subsequent CT revealed caecal thickening and subcutaneous emphysema overlying the left flank. Clinically, he became haemodynamically unstable. Examination revealed crepitus overlying the left flank in keeping with gas gangrene. The patient required immediate surgical debridement. Tissue specimens cultured C.septicum Following a complicated postoperative period, he was transferred to the plastic surgery team for further tissue debridement and reconstruction. A colonoscopy was later performed which was suspicious for malignancy. Colorectal multidisciplinary team discussion is awaited. PMID- 29197852 TI - Artery of Percheron ischaemic stroke revealed by brain MRI DWI/ADC sequences. PMID- 29197853 TI - Atrial myxoma: an unusual aetiology for exertional dyspnoea and palpitation. PMID- 29197854 TI - Nivolumab-induced polyarthritis. PMID- 29197855 TI - Detection of genome-wide copy number variants in myeloid malignancies using next generation sequencing. AB - AIMS: Genetic abnormalities, including copy number variants (CNV), copy number neutral loss of heterozygosity (CN-LOH) and gene mutations, underlie the pathogenesis of myeloid malignancies and serve as important diagnostic, prognostic and/or therapeutic markers. Currently, multiple testing strategies are required for comprehensive genetic testing in myeloid malignancies. The aim of this proof-of-principle study was to investigate the feasibility of combining detection of genome-wide large CNVs, CN-LOH and targeted gene mutations into a single assay using next-generation sequencing (NGS). METHODS: For genome-wide CNV detection, we designed a single nucleotide polymorphism (SNP) sequencing backbone with 22 762 SNP regions evenly distributed across the entire genome. For targeted mutation detection, 62 frequently mutated genes in myeloid malignancies were targeted. We combined this SNP sequencing backbone with a targeted mutation panel, and sequenced 9 healthy individuals and 16 patients with myeloid malignancies using NGS. RESULTS: We detected 52 somatic CNVs, 11 instances of CN LOH and 39 oncogenic mutations in the 16 patients with myeloid malignancies, and none in the 9 healthy individuals. All CNVs and CN-LOH were confirmed by SNP microarray analysis. CONCLUSIONS: We describe a genome-wide SNP sequencing backbone which allows for sensitive detection of genome-wide CNVs and CN-LOH using NGS. This proof-of-principle study has demonstrated that this strategy can provide more comprehensive genetic profiling for patients with myeloid malignancies using a single assay. PMID- 29197857 TI - Corrigendum to: Interleukin-33 plasma levels in patients with relapsing-remitting multiple sclerosis. PMID- 29197856 TI - Comparison of haemoglobin assessments by HemoCue and two automated haematology analysers in young Laotian children. AB - BACKGROUND: Haemoglobin (Hb) assessment by Hemocue is used widely for anaemia screening in both adults and children. However, few studies have compared the diagnostic accuracy of Hemocue with an automated haematology analyser in young children. AIM: To compare Hb concentrations by Hemocue Hb301 and two automated haematology analysers in young children in rural communities of Lao PDR. METHODS: Capillary blood was collected from 6-month-old to 23-month-old children (n=1487) for determination of Hb concentration by Hemocue Hb301. On the same day, venous blood was collected for complete blood count using one of two haematology analysers (XT-1800i, Sysmex, and BC-3000Plus, Mindray Medical International). In a subsample of children (n=129), venous Hb was also measured by HemoCue Hb301. Agreement between the two methods was estimated using Bland-Altman plots. RESULTS: Mean capillary Hb by Hemocue was significantly higher than mean venous Hb by haematology analysers combined (108.4+/-10.3 g/L vs 102.3+/-13.1 g/L; P<0.001), resulting in a significantly lower anaemia prevalence (Hb <110 g/L) by Hemocue (53.7% vs 73.9%; P<0.001). The Bland-Altman assessment of agreement showed a bias of 6.1 g/L and limits of agreement were -11.5 g/L to 23.7 g/L. Mean venous Hb concentration by Hemocue Hb301 (113.6+/-14.0 g/L) was significantly higher than mean capillary Hb concentration by Hemocue Hb301 (110.0+/-10.7; P=0.03 g/L), which in turn was significantly higher than mean venous Hb concentration by the Mindray BC-3000Plus (102.3+/-17.4 g/L). CONCLUSION: Capillary and venous Hb concentrations assessed by Hemocue Hb301 showed poor agreement compared with venous Hb by automated haematology analysers, resulting in significantly different anaemia prevalences. PMID- 29197858 TI - Image-based 3D surface approximation of the bladder using structure-from-motion for enhanced cystoscopy based on phantom data. AB - Bladder cancer is likely to recur after resection. For this reason, bladder cancer survivors often undergo follow-up cystoscopy for years after treatment to look for bladder cancer recurrence. 3D modeling of the bladder could provide more reliable cystoscopic documentation by giving an overall picture of the organ and tumor positions. However, 3D reconstruction of the urinary bladder based on endoscopic images is challenging. This is due to the small field of view of the endoscope, considerable image distortion, and occlusion by urea, blood or particles. In this paper, we will demonstrate a method for the conversion of uncalibrated, monocular, endoscopic videos of the bladder into a 3D model using structure-from-motion (SfM). First of all, frames are extracted from video sequences. Distortions are then corrected in a calibration procedure. Finally, the 3D reconstruction algorithm generates a sparse surface approximation of the bladder lining based on the corrected frames. This method was tested using an endoscopic video of a phantom that mimics the rich structure of the bladder. The reconstructed 3D model covered a large part of the object, with an average reprojection error of 1.15 pixels and a relative accuracy of 99.4%. PMID- 29197859 TI - Evaluation of the Aptima HBV Quant assay vs. the COBAS TaqMan HBV test using the high pure system for the quantitation of HBV DNA in plasma and serum samples. AB - BACKGROUND: Proper management of patients with chronic hepatitis B virus (HBV) infection requires monitoring of plasma or serum HBV DNA levels using a highly sensitive nucleic acid amplification test. Because commercially available assays differ in performance, we compared herein the performance of the Hologic Aptima HBV Quant assay (Aptima) to that of the Roche Cobas TaqMan HBV test for use with the high pure system (HPS/CTM). METHODS: Assay performance was assessed using HBV reference panels as well as plasma and serum samples from chronically HBV infected patients. Method correlation, analytical sensitivity, precision/reproducibility, linearity, bias and influence of genotype were evaluated. Data analysis was performed using linear regression, Deming correlation analysis and Bland-Altman analysis. RESULTS: Agreement between the assays for the two reference panels was good, with a difference in assay values vs. target <0.5 log. Qualitative assay results for 159 clinical samples showed good concordance (88.1%; kappa=0.75; 95% confidence interval: 0.651-0.845). For the 106 samples quantitated by both assays, viral load results were highly correlated (R=0.92) and differed on average by 0.09 log, with 95.3% of the samples being within the 95% limit of agreement of the assays. Linearity for viral loads 1-7 log was excellent for both assays (R2>0.98). The two assays had similar bias and precision across the different genotypes tested at low viral loads (25-1000 IU/mL). CONCLUSIONS: Aptima has a performance comparable with that of HPS/CTM, making it suitable for use for HBV infection monitoring. Aptima runs on a fully automated platform (the Panther system) and therefore offers a significantly improved workflow compared with HPS/CTM. PMID- 29197860 TI - Obesity is associated with vitamin D deficiency in Danish children and adolescents. AB - BACKGROUND: Sufficient serum concentrations of vitamin D are required to maintain bone health during growth. The aims of this study were to determine whether vitamin D deficiency is more prevalent among children and adolescents with obesity compared to their normal weight peers and to identify clinical and biochemical variables associated with vitamin D deficiency. METHODS: One thousand four hundred and eighty-four children and adolescents with overweight/obesity and 2143 population-based controls were recruited from the Danish Childhood Obesity Biobank. Anthropometric variables and fasting concentrations of serum 25-hydroxy vitamin D (25-OH-D), plasma parathyroid hormone (PTH), calcium and phosphate were assessed at baseline. Vitamin D deficiency was defined as serum 25-OH-D concentrations <30 nmol/L. Linear and logistic regressions were used to identify variables associated with vitamin D deficiency. RESULTS: A total of 16.5% of the children and adolescents with obesity (body mass index [BMI] standard deviation score [SDS]>2.33) exhibited vitamin D deficiency, with an odds ratio (OR) 3.41 (confidence interval [CI]: 2.27-5.71; p<0.0001) for being vitamin D deficient compared to their normal weight peers. BMI-SDS was independently and inversely associated with serum 25-OH-D concentrations. Other independent risk factors for vitamin D deficiency were being older than 14 years (OR: 2.39; CI: 1.28-4.48; p=0.006), more than 4 daily hours of screen time (OR: 4.56; CI: 2.59-8.05; p<0.0001) and blood sample assessment during winter-spring (OR: 6.44; CI: 4.47 9.26; p<0.0001). CONCLUSIONS: Vitamin D deficiency was common among Danish children and adolescents with obesity. The degree of obesity was independently associated with lower serum 25-OH-D concentrations. PMID- 29197861 TI - Short-term adverse effects of testosterone used for priming in prepubertal boys before growth hormone stimulation test. AB - BACKGROUND: Despite the fact that priming with sex steroids in prepubertal children before growth hormone (GH) provocative tests is recommended, there is an ongoing controversial discussion about the appropriate age of the children, the drug used for priming, the dose and the period between priming and the GH test. Interestingly, there is no discussion on the safety of this procedure. To date, only little data have been available on the possible side effects of priming with testosterone. METHODS: We analyzed the outcome in 188 short-statured prepubertal boys who had been primed with testosterone enanthate (n=136: 50 mg; n=51: 125 mg, and accidentally one boy with 250 mg) 7 days prior to the GH test. Serum testosterone levels were measured on the day of the GH test in 99 boys. RESULTS: Overall, only five boys developed adverse side effects. Two boys (dose 125 mg) showed severe low-flow priapism and had to undergo decompression of the corpora cavernosa. One boy suffered from self-limiting priapism and testicular pain (dose 50 mg). Two patients reported testicular pain (each dose 50 mg). The single patient with 250 mg testosterone did not show any adverse effects. The total side effect rate was 2.7%. The serum testosterone levels of the boys with side effects were not different from the testosterone levels of the boys without any side effects. CONCLUSIONS: Parents and patients should be informed about the possible side effects of priming with testosterone such as priapism and testicular pain. However, the overall side effect rate is low. We found no correlation between the outcome and the testosterone dose used and/or the level of serum testosterone. PMID- 29197862 TI - Monoterpenes induce the heat shock response in Arabidopsis. AB - Monoterpenes are common constituents of essential oils produced by plants. Although it has been reported that monoterpenes enhanced the heat tolerance of plants, the mechanism has not been elucidated. Here, we tested whether 13 monoterpenes promoted the heat shock response (HSR) in Arabidopsis. To assess the HSR-inducing activity of monoterpenes, we produced transgenic Arabidopsis, which has the beta-glucuronidase gene driven by the promoter of a small heat shock protein (HSP17.6C-CI) gene. Results indicated that two monocyclic and four bicyclic monoterpenes showed HSR-inducing activities using the reporter gene system. In particular, (-)-perillaldehyde, which is a monocyclic monoterpene, demonstrated the most potent HSR-inducing activity. (-)-Perillaldehyde significantly inhibited the reduction of chlorophyll content by heat shock in Arabidopsis seedlings. Our previous study indicated that chemical HSR inducers such as geldanamycin and sanguinarine inhibited the activity of plant chaperones in vitro. (-)-Perillaldehyde also inhibited chaperone activity, indicating that it might promote the expression of heat shock protein genes by inhibiting chaperones in the plant cell. PMID- 29197863 TI - Proteomic Analysis Reveals Grb2 as a Key Regulator of Periodic Mechanical Stress Transduction in Chondrocytes. AB - BACKGROUND/AIMS: Periodic mechanical stress could significantly promote chondrocyte proliferation and matrix synthesis. However, the mechanisms underlying the ability of chondrocyte detecting and responding to periodic mechanical stimuli have not been well delineated. METHODS: Quantitative proteomic analysis was performed to construct the differently expressed proteome profiles of chondrocyte under pressure. Then a combination of Western blot, quantitative real-time PCR, lentiviral vector and histological methods were used to confirm the proteomic results and investigate the mechanoseing mechanism. RESULTS: Growth factor receptor-bound protein 2 (Grb2), a component of integrin adhesome, was found a 1.49-fold increase in dynamic stress group. This process was mediated through integrin beta1, leading to increased phosphorylation of focal adhesion kinase (FAK) and extracellular signal-regulated kinase 1/2 (ERK1/2) respectively and then produce the corresponding biological effects. CONCLUSION: This was the first time to demonstrate Grb2 has such an important role in periodic mechanotransduction, and the proteomic data could facilitate the further investigation of chondrocytes mechanosensing. PMID- 29197864 TI - Biopsy-Free Prediction of Pathologic Type of Primary Nephrotic Syndrome Using a Machine Learning Algorithm. AB - BACKGROUND/AIMS: Renal biopsy is the gold standard to determine the pathologic type of primary nephrotic syndrome, which is critical for diagnosis, choice of treatment and evaluation of prognosis. However, in some cases, renal biopsy cannot be performed. METHODS: To explore the possibility of predicting the histology type of primary nephrotic syndrome without the need for biopsy, we trained and validated a machine learning algorithm using data from 222 patients with biopsy-confirmed primary nephrotic syndrome treated at our hospital between May 2008 and January 2016. The model was then tested prospectively on another sample of 63 patients with biopsy-confirmed primary nephrotic syndrome. RESULTS: Overall accuracy of prediction from the retrospective set of 222 patients was 62.2% across all types of nephrotic syndrome. The accuracy of model prediction for the prospectively collected dataset of 63 patients was 61.9%. The algorithm identified 17 of 33 variables as contributing strongly to type of renal pathology. CONCLUSION: To our knowledge, this is the first such application of machine learning to predict the pathologic type of primary nephrotic syndrome, which may be clinically useful by itself as well as helpful for guiding future efforts at machine learning-based prediction in other disease contexts. PMID- 29197865 TI - Andrographolide Induces Autophagic Cell Death and Inhibits Invasion and Metastasis of Human Osteosarcoma Cells in An Autophagy-Dependent Manner. AB - BACKGROUND/AIMS: Osteosarcoma (OS) is the most common primary malignant tumor of bone tissue. Although treatment effectiveness has improved, the OS survival rate has fluctuated in recent years. Andrographolide (AG) has been reported to have antitumor activity against a variety of tumors. Our aim was to investigate the effects and potential mechanisms of AG in human osteosarcoma. METHODS: Cell viability and morphological changes were assessed by MTT and live/dead assays. Apoptosis was detected using Annexin V-FITC/PI double staining, DAPI, and caspase 3 assays. Autophagy was detected with mRFP-GFP-LC3 adenovirus transfection and western blot. Cell migration and invasion were detected by wound healing assay and Transwell(r) experiments. RESULTS: AG dose-dependently reduced the viability of osteosarcoma cells. No increase in apoptosis was detected in AG-treated human OS MG-63 and U-2OS cells, and the pan-caspase inhibitor z-VAD did not attenuate AG-induced cell death. However, AG induced autophagy by suppressing PI3K/Akt/mTOR and enhancing JNK signaling pathways. 3-MA and Beclin-1 siRNA could reverse the cytotoxic effects of AG. In addition, AG inhibited the invasion and metastasis of OS, and this effect could be reversed with Beclin-1 siRNA. CONCLUSION: AG inhibits viability and induces autophagic death in OS cells. AG-induced autophagy inhibits the invasion and metastasis of OS. PMID- 29197866 TI - Proteomic Analysis Reveals a New Benefit of Periodic Mechanical Stress on Chondrocytes. AB - BACKGROUND/AIMS: In recent years, a variety of studies have been performed to investigate the cellular responses of periodic mechanical stress. In our previous studies, we found that periodic mechanical stress can promote proliferation and matrix synthesis through the integrin beta 1-mediated ERK1/2 pathway, and we used proteomic analysis to detect quantitative changes in chondrocytes under periodic mechanical stress. Despite these results, the effects and mechanisms of periodic mechanical stress are still not fully understood, so in this study we extended our study using phosphoproteomic techniques. METHODS: We used phosphoproteomic techniques to detect phosphorylation changes in chondrocytes under periodic mechanical stress and combined the results with the quantitative proteomic data to further explore the underlying mechanisms. Data were obtained by phosphorylation inhibition, quantitative real-time PCR (qPCR) analysis, western blot analysis and immunofluorescence assay. RESULTS: From phosphoproteomic analysis, a total of 1073 phosphorylated proteins and 2054 phosphopeptides were identified. The number of significant differentially expressed proteins and phosphopeptides was 97 and 108, respectively (ratio >1.20 or <0.83 at p<0.05). Periodic mechanical stress increased glycogen synthase kinase 3-beta (GSK3-beta) phosphorylation at Y216, promoted the phosphorylation of beta-catenin, decreased beta-catenin levels and suppressed the expression of type I collagen. In contrast, inhibition of GSK3-beta by TWS119, which specifically inhibits the phosphorylation of Y216, suppressed the phosphorylation of beta-catenin, which resulted in the accumulation of beta-catenin and an increase in the expression of type I collagen. CONCLUSIONS: We successfully constructed differentially expressed phosphoproteomic profiles of rat chondrocytes under periodic mechanical stress, and discovered a potential new therapeutic benefit in which periodic mechanical stress suppressed the formation of type I collagen in the matrix of chondrocytes via phosphorylation of GSK3-beta and beta-catenin. PMID- 29197867 TI - Topical Coconut Oil in Very Preterm Infants: An Open-Label Randomised Controlled Trial. AB - BACKGROUND: The immature fragile skin of preterm infants represents an inadequate protective barrier. The emollient and anti-infective properties of coconut oil make it a potentially beneficial topical agent for this population. OBJECTIVES: Our aim was to evaluate feasibility, safety, and the effects of topical coconut oil on skin condition in very preterm infants. METHODS: An open-label randomised controlled trial in preterm infants <30 weeks' gestation was conducted. Enrolled infants were randomised to receive either routine care or topical coconut oil (5 mL/kg) twice daily for 21 days, starting within 24 h of birth. The neonatal skin condition was the primary outcome, and was assessed using the Neonatal Skin Condition Score (NSCS) on days 1, 7, 14, and 21. The number of coconut oil applications was recorded to assess clinical feasibility and all enrolled infants were monitored for adverse effects of topical coconut application, such as skin irritation. RESULTS: A total of 72 infants born <30 weeks' gestation were enrolled (36 infants per arm), with comparable demographic characteristics. Topical application of coconut oil was feasible and without adverse effects. The NSCS was maintained in the coconut oil group throughout the intervention period, but deteriorated from a median (IQR) of 3 (3-4) on day 1 to 4 (4-4) on day 21 in the control group (p = 0.01). There were no differences in common neonatal outcomes, including sepsis, necrotising enterocolitis, retinopathy of prematurity, chronic lung disease, and mortality. CONCLUSIONS: Topical coconut oil maintained a better skin condition in very preterm infants without adverse effects. This simple, safe, and affordable intervention warrants further investigation. PMID- 29197868 TI - The Dual Carboxymethyl Cellulase and Gelatinase Activities of a Newly Isolated Protein from Brevibacillus agri ST15c10 Confer Reciprocal Regulations in Substrate Utilization. AB - A protein showing endoglucanase-peptidase activity was prepared from a newly isolated bacterium (ST15c10). We identified ST15c10 as Brevibacillus agri based on electron-microscopic images and its 16S-rDNA sequence (GenBank accession No. HM446043), which exhibits 98.9% sequence identity to B. agri (KZ17)/B. formosus (DSM-9885T)/B. brevis. The enzyme was purified to homogeneity and gave a single peak during high-performance liquid chromatography on a Seralose 6B-150 gel matrix/C-18 column. MALDI-TOF mass-spectrometry and bioinformatics studies revealed significant similarity to M42-aminopeptidases/endoglucanases of the CelM family. These enzymes are found in all Brevibacillus strains for which the genome sequence is known. ST15c10 grows optimally on carboxymethyl cellulose (CMC) gelatin (40 degrees C/pH 8-9), and also shows strong growth/carboxymethyl cellulase (CMCase) activity in submerged bagasse fermentation. The purified enzyme also functions as endoglucanase with solid bagasse/rice straw. Its CMCase activity (optimal at pH 5.6 and 60 degrees C/Km = 35.5 uM/Vmax = 1,024U) was visualized by zymography on a CMC-polyacrylamide gel, which provided a strong band of approximately 70 kDa. The purified enzyme also showed strong peptidase (gelatinase) activity (pH 7.2/40 degrees C during zymography on 6-12% gelatin/1% gelatin-PAGE (at approx. 70 kDa). The CMCase activity is inhibited by the metal ions Mn/Cu/Fe/Co (50%), Hg/KMnO4 (100%), and by glucose or lactose (50-75%; all at 1 mM). The observed dose/time-dependent inhibition by Hg ions could be prevented with 2-mercaptoethanol. A comparison of the B. agri endoglucanase aminopeptidase (ELK43520; 350 aa) with other members of the M42-family revealed the conservation of active-site residues Cys256/Cys260, which were previously identified as metal-binding sites. Regulation of the endoglucanase activity probably occurs via metal binding-triggered changes in the redox state of the enzyme. Studies on this type of enzyme are of high importance for basic scientific and industrial research. PMID- 29197869 TI - Fibrocytes Ameliorate Acute Lung Injury by Decreasing Inflammatory Cytokine and Chemokine Levels and Reducing Neutrophil Accumulation in the Lung. AB - BACKGROUND/AIMS: Acute lung injury (ALI) remains a severe disease that threatens human life around the world. To decrease the mortality of ALI and improve ALI treatment efficacy, the development of more ALI treatments is urgently needed. Whether fibrocytes directly participate in ALI has not been studied. Therefore, a mouse model of ALI was induced with lipopolysaccharide (LPS). METHODS: Fibrocytes were harvested from peripheral blood mononuclear cells of bleomycin mice and identified by using flow cytometry to detect the expression of molecular makers. The fibrocytes were injected for the treatment of acute lung injury mice. The curative effects were evaluated by using ELISA to determine the cytokines (including TNF-alpha, IL-6 and IFN-gamma) concentrations in bronchoalveolar lavage fluid (BALF) supernatant. RESULTS: The concentrations of cytokines such as tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and interferon gamma (IFN-gamma) were increased in mice with ALI induced with LPS. The concentrations of TNF-alpha, IL-6, and IFN-gamma as well as their mRNA and protein expression levels were decreased by administration of fibrocytes. The effect of fibrocytes in ameliorating ALI was time dependent. LPS treatment induced an increase in myeloperoxidase (MPO) activity, whereas the fibrocyte treatment caused inhibition of MPO activity as well as expression of the neutrophil-chemoattractant chemokine macrophage inflammatory protein 2 (MIP-2). CONCLUSION: Taken together, these data suggest that fibrocytes ameliorated ALI by suppressing inflammatory cytokines and chemokines as well as by decreasing the accumulation of neutrophils in the lung. PMID- 29197870 TI - Detection of Acute Tubular Necrosis Using Blood Oxygenation Level-Dependent (BOLD) MRI. AB - BACKGROUND/AIMS: To date, there is no imaging technique to assess tubular function in vivo. Blood oxygen level-dependent magnetic resonance imaging (BOLD MRI) measures tissue oxygenation based on the transverse relaxation rate (R2*). The present study investigates whether BOLD MRI can assess tubular function using a tubule-specific pharmacological maneuver. METHODS: Cross sectional study with 28 participants including 9 subjects with ATN-induced acute kidney injury (AKI), 9 healthy controls, and 10 subjects with nephron sparing tumor resection (NSS) with clamping of the renal artery serving as a model of ischemia/reperfusion (I/R)-induced subclinical ATN (median clamping time 15 min, no significant decrease of eGFR, p=0.14). BOLD MRI was performed before and 5, 7, and 10 min after intravenous administration of 40 mg furosemide. RESULTS: Urinary neutrophil gelatinase-associated lipocalin was significantly higher in ATN-induced AKI and NSS subjects than in healthy controls (p=0.03 and p=0.01, respectively). Before administration of furosemide, absolute medullary R2*, cortical R2*, and medullary/cortical R2* ratio did not significantly differ between ATN-induced AKI vs. healthy controls and between NSS-I/R vs. contralateral healthy kidneys (p>0.05 each). Furosemide led to a significant decrease in the medullary and cortical R2* of healthy subjects and NSS contralateral kidneys (p<0.05 each), whereas there was no significant change of R2* in ATN-induced AKI and the NSS-I/R kidneys (p>0.05 each). CONCLUSION: BOLD-MRI is able to detect even mild tubular injury but necessitates a tubule-specific pharmacological maneuver, e.g. blocking the Na+-K+-2Cl- transporter by furosemide. PMID- 29197872 TI - The Association of Circulating MiR-29b and Interleukin-6 with Subclinical Atherosclerosis. AB - BACKGROUND/AIMS: Although it is widely acknowledged that atherosclerosis is mainly a chronic inflammatory process, in which both miR-29b and interleukin-6 (IL-6) play multifaceted roles, the association between miR-29b and IL-6 remains unknown. The aim of the present study was to explore the relationship between miR 29b and IL-6 and to test whether circulating levels of miR-29b and IL-6 could predict atherosclerosis. METHODS: A total of 170 participants were divided into two groups according to carotid intima-media thickness (CIMT): study group (CIMT >= 0.9mm) and control group (CIMT < 0.9mm). Levels of circulating miR-29b and IL 6 were measured by quantitative real-time polymerase chain reaction (qRT-PCR) and enzyme-linked immunosorbent assay (ELISA), respectively. The association of miR 29b and IL-6 levels with CIMT was assessed using Spearman correlation analysis and multiple linear regression analysis. RESULTS: The study group showed higher miR-29b levels (31.61 +/- 3.05 vs. 27.91 +/- 1.71 Ct, p < 0.001) and IL-6 levels (3.40 +/- 0.67 vs. 2.99 +/- 0.37 pg/ml, p < 0.001), compared with the control group. CIMT was positively correlated with miR-29b (r = 0.587, p < 0.001) and IL 6 (r = 0.410, p < 0.001), and miR-29b levels were also correlated with IL-6 (r = 0.242, p = 0.001). Multiple linear regression analysis also showed that CIMT was positively correlated with miR-29b and IL-6. After adjustment for age, body mass index, systolic blood pressure, total cholesterol and C-reactive protein, CIMT was still closely correlated with miR-29b and IL-6. The combination of miR-29b and IL-6 (AUC = 0.901, p < 0.001) offered a better predictive index for atherosclerosis than either miR-29b (AUC = 0.867, p < 0.001) or IL-6 (AUC = 0.747, p < 0.001) alone. CONCLUSION: Circulating levels of miR-29b and IL-6 may be independently correlated with subclinical atherosclerosis, and may serve as novel biomarkers for the identification of atherosclerosis. PMID- 29197871 TI - Carvedilol and Cardiac Biomarkers in Dialysis Patients: Secondary Analysis of a Randomized Controlled Trial. AB - BACKGROUND/AIMS: Cardiac biomarkers are associated with cardiac abnormalities and adverse outcomes in dialysis patients. Our aim was to report the effect of the beta-blocker carvedilol on cardiac biomarkers in adult dialysis patients. METHODS: The Beta-Blocker to Lower Cardiovascular Dialysis Events Feasibility Study was a randomized controlled trial comparing carvedilol to placebo. Serum and plasma were collected before the run-in, then 6 and 12 months post randomization to measure B-type Natriuretic Peptide (BNP), N-terminal BNP (NT ProBNP), high-sensitivity cardiac troponins I (hs-TnI) and T (hs-TnT), and galectin-3. Left ventricular global longitudinal strain (GLS) was measured by echocardiography at baseline. RESULTS: Seventy-two participants were recruited of whom 49 completed the run-in and were randomized to carvedilol (n=26) or placebo (n=23). Baseline echocardiography demonstrated median (inter-quartile range) GLS of -14.27% (-16.63 to -11.93). NTproBNP and hs-TnT correlated with GLS (Spearman's rho=0.34 [p=0.018] and rho=0.28 [p=0.049], respectively). Median change scores from baseline to 12 months did not differ significantly between participants with complete biomarker data randomized to carvedilol (n=15) or placebo (n=16) for any biomarkers. CONCLUSIONS: NT-proBNP and hs-TnT were associated with GLS. However, changes in levels of the biomarkers from baseline to 12 months were not different between groups randomized to carvedilol and placebo. PMID- 29197873 TI - Comparative Anti-Platelet Profiling Reveals a Potent Anti-Aggregatory Effect of CD34+ Progenitor Cell-Derived Late-Outgrowth Endothelial Cells in vitro. AB - BACKGROUND/AIMS: Platelets affect endothelial progenitor cell (EPC) functionality, inducing their differentiation into mature endothelial cells. However, it remains to be established whether EPCs can influence platelet functionality. METHODS: Mononuclear proangiogenic cells (MPCs) and early outgrowth cells (EOCs) were prepared from peripheral blood mononuclear cells, whereas late-outgrowth endothelial cells (OECs) were prepared from cord blood CD34+ cells. The effect of the above cells and their supernatants on washed platelet aggregation was studied. The effect of OECs and their supernatant on the adenosine diphosphate (ADP)-induced magnitude of platelet integrin receptor alphaIIbbeta3 activation and on P-selectin membrane expression was investigated. The levels of nitric oxide (NO) and prostacyclin (PGI2) that were secreted from EOCs, OECs, and human umbilical vein endothelial cells (HUVECs) were also assessed. RESULTS: Among all progenitors, OECs and their supernatant exhibited the most potent inhibitory activity towards platelet aggregation. Furthermore, OECs and their supernatant, but not CD34+ cells, reduced alphaIIbbeta3 activation and P-selectin membrane expression. Finally, OECs secreted higher NO and PGI2 levels than EOCs did. CONCLUSION: The anti-platelet effect of EPCs depends highly on the degree of their endothelial phenotype, with OECs expressing the highest potency. Therefore, the induction of OEC generation and the enhancement of their functionality in vivo could be a new approach for the treatment of patients at a high thrombotic risk. PMID- 29197874 TI - Cuff-Based Oscillometric Central and Brachial Blood Pressures Obtained Through ABPM are Similarly Associated with Renal Organ Damage in Arterial Hypertension. AB - BACKGROUND/AIMS: Central blood pressure (BP) has been suggested to be a better estimator of hypertension-associated risks. We aimed to evaluate the association of 24-hour central BP, in comparison with 24-hour peripheral BP, with the presence of renal organ damage in hypertensive patients. METHODS: Brachial and central (calculated by an oscillometric system through brachial pulse wave analysis) office BP and ambulatory BP monitoring (ABPM) data and aortic pulse wave velocity (PWV) were measured in 208 hypertensive patients. Renal organ damage was evaluated by means of the albumin to creatinine ratio and the estimated glomerular filtration rate. RESULTS: Fifty-four patients (25.9%) were affected by renal organ damage, displaying either microalbuminuria (urinary albumin excretion >=30 mg/g creatinine) or an estimated glomerular filtration rate (eGFR) <60 ml/min/1.73 m2. Compared to those without renal abnormalities, hypertensive patients with kidney damage had higher values of office brachial systolic BP (SBP) and pulse pressure (PP), and 24-h, daytime, and nighttime central and brachial SBP and PP. They also had a blunted nocturnal decrease in both central and brachial BP, and higher values of aortic PWV. After adjustment for age, gender, and antihypertensive treatment, only ABPM-derived BP estimates (both central and brachial) showed significant associations with the presence of renal damage. Odds ratios for central BP estimates were not significantly higher than those obtained for brachial BP. CONCLUSION: Compared with peripheral ABPM, cuff-based oscillometric central ABPM does not show a closer association with presence of renal organ damage in hypertensive patients. More studies, however, need to be done to better identify the role of central BP in clinical practice. PMID- 29197875 TI - Efficacy and Tolerability of Leuprorelin Acetate (Eligard(r)) in Daily Practice in Germany: Pooled Data from 2 Prospective, Non-Interventional Studies with 3- or 6-Month Depot Formulations in Patients with Advanced Prostate Cancer. AB - INTRODUCTION: We evaluated the efficacy and tolerability of 3- and 6-month leuprorelin acetate (LA) depot formulations (Eligard(r), Astellas Pharma GmbH) in patients with advanced prostate cancer treated in routine clinical practice in Germany. MATERIALS AND METHODS: Data was pooled from 2 prospective, open-label, non-interventional studies in which 1,906 patients were treated for 12 months with either the 3-month (n = 633) or 6-month (n = 1,273) LA formulation. RESULTS: Median prostate-specific antigen levels in the pooled patient population declined from 12.0 ng/mL at baseline to 0.5 ng/mL after 12 months. Prostate-specific antigen reduction was achieved in treatment-naive and pre-treated patients. Adverse events were documented in 8.8% of patients. CONCLUSIONS: These pooled data from routine clinical practice in Germany indicate that LA 3- and 6-month depot injections can effectively reduce prostate-specific antigen levels in a broad patient population with advanced prostate cancer. PMID- 29197876 TI - MiR-106b-5p Promotes Proliferation and Inhibits Apoptosis by Regulating BTG3 in Non-Small Cell Lung Cancer. AB - BACKGROUND/AIMS: MicroRNAs have been validated to play a crucial role in tumorigenesis of non-small cell lung cancer (NSCLC). Although miR-106b-5p has been reported to play a vital role in various malignancies the physiological function of miR-106b-5p in NSCLC still remain unknown. In this study, we investigated the role of miR-106b-5p in NSCLC. METHODS: Quantitative real-time polymerase chain reaction was conducted to estimate the expression of miR-106b-5p and BTG3 in both NSCLC tissues and cell lines. The effects of miR-106b-5p on proliferation were determined in vitro using CCK-8 proliferation assays, 5 ethynyl-2'-deoxyuridine (EdU) incorporation, colony formation assays and cell cycle assays and the in vivo effects were evaluated by a mouse tumorigenicity model. Cell apoptosis and cell cycle was investigated by flow cytometric analysis in vitro. The molecular mechanism underlying the relevance between miR-106b-5p and BTG3 was confirmed by luciferase assay and western blot. RESULTS: In current study, we found a relatively higher miR-106b-5p and lower BTG3 expression in NSCLC specimens and cell lines. BTG3 was verified as a direct target of miR-106b 5p by luciferase assay. In vitro, over-expression of miR-106b-5p promoted proliferation and inhibited apoptosis by down-regulating BTG3 expression. In vivo, miR-106b-5p promoted xenograft tumor formation. CONCLUSION: Our findings revealed for the first time that miR-106b-5p plays a tumorigenesis role in NSCLC progression by down-regulating BTG3 expression, which may lead to a novel insight to the potential biomarker and novel therapeutic strategies for NSCLC patients. PMID- 29197877 TI - Functional Characterization of a Novel Truncating Mutation in Lamin A/C Gene in a Family with a Severe Cardiomyopathy with Conduction Defects. AB - BACKGROUND/AIMS: Truncating LMNA gene mutations occur in many inherited cardiomyopathy cases, but the molecular mechanisms involved in the disease they cause have not yet been systematically investigated. Here, we studied a novel frameshift LMNA variant (p.D243Gfs*4) identified in three members of an Italian family co-segregating with a severe form of cardiomyopathy with conduction defects. METHODS: HEK293 cells and HL-1 cardiomyocytes were transiently transfected with either Lamin A or D243Gfs*4 tagged with GFP (or mCherry). D243Gfs*4 expression, cellular localization and its effects on diverse cellular mechanisms were evaluated with western blotting, laser-scanning confocal microscopy and video-imaging analysis in single cells. RESULTS: When expressed in HEK293 cells, GFP- (or mCherry)-tagged LMNA D243Gfs*4 colocalized with calnexin within the ER. ER mislocalization of LMNA D243Gfs*4 did not significantly induce ER stress response, abnormal Ca2+ handling and apoptosis when compared with HEK293 cells expressing another truncated mutant of LMNA (R321X) which similarly accumulates within the ER. Of note, HEK293-LMNA D243Gfs*4 cells showed a significant reduction of connexin 43 (CX43) expression level, which was completely rescued by activation of the WNT/beta-catenin signaling pathway. When expressed in HL-1 cardiomyocytes, D243Gfs*4 significantly impaired the spontaneous Ca2+ oscillations recorded in these cells as result of propagation of the depolarizing waves through the gap junctions between non-transfected cells surrounding a cell harboring the mutation. Furthermore, mCh-D243Gfs*4 HL-1 cardiomyocytes showed reduced CX43-dependent Lucifer Yellow (LY) loading and propagation. Of note, activation of beta-catenin rescued both LY loading and LMNA D243Gfs*4 -HL-1 cells spontaneous activity propagation. CONCLUSION: Overall, the present results clearly indicate the involvement of the aberrant CX43 expression/activity as a pathogenic mechanism for the conduction defects associated to this LMNA truncating alteration. PMID- 29197878 TI - A Rare Case of Embryonal Carcinoma in a Patient with Turner Syndrome without Y Chromosomal Material but Mutations in KIT, AKT1, and ZNF358 Demonstrated Using Exome Sequencing. AB - Gonadoblastoma and malignant transformations thereof can occur in females with Turner syndrome (TS) and Y chromosomal material. However, in females with TS and no Y chromosomal material, this is rarely seen. We report a female with an apparent 45,X karyotype (in blood and tumor) who was diagnosed with a metastatic embryonal carcinoma. Exome sequencing of blood and the tumor was done, and no Y chromosomal material was detected, while predicted deleterious mutations in KIT (likely driver), AKT1, and ZNF358 were identified in the tumor. The patient was treated with chemotherapy (first-line: cisplatin, etoposide, and bleomycin; second-line: paclitaxel and gemcitabine), and after that surgical debulking was performed. She is currently well and without signs of relapse. We conclude that embryonal carcinoma can apparently occur in 45,X TS without signs of Y chromosomal material. PMID- 29197879 TI - Corticosteroid-induced leukocytosis in pregnancy: A prospective observational study. AB - BACKGROUND: In the course of managing preterm labour, increasing trends of total white cell count raises concern for the obstetrician, suggesting a possible underlying infectious aetiology. Although mild leukocytosis is expected in pregnancy, the patterns of increment after corticosteroid administration are not well described beyond animal models and in a small number of human studies. METHODS: Seventy-three consecutive patients who required antenatal corticosteroids for either preterm labour or prelabour caesarean section were recruited and given a standard course of 12mg dexamethasone phosphate, twelve hours apart. Venous blood samples were taken before administration, at six hours and 36 hours after the first dose of dexamethasone. RESULTS: The total white count trend was 10.31+/-2.62 at baseline, 11.44+/-3.05 at six hours and 12.20+/ 3.49 at 36 hours. Neutrophil-lymphocyte ratio was 3.60+/-1.31, 8.73+/-3.63 and 3.24+/-1.49 respectively, reflecting relative neutrophilia and lymphopenia which normalised by 36 hours. CONCLUSION: In contrast to previous studies, we found only a slight increment in total white cell count of about 10%. The marginal changes described in our study would not normally raise any clinical concern, although vigilance should be exercised if higher levels were observed. PMID- 29197880 TI - Construct validity and internal consistency reliability of the Malay version of the 21-item depression anxiety stress scale (Malay-DASS-21) among male outpatient clinic attendees in Johor. AB - BACKGROUND: The 21-item English version of the Depression Anxiety Stress Scale (DASS-21) has been proposed as a method for assessing self-perceived depression, anxiety and stress over the past week in various clinical and nonclinical populations. Several Malay versions of the DASS-21 have been validated in various populations with varying success. One particular Malay version has been validated in various occupational groups (such as nurses and automotive workers) but not among male clinic outpatient attendees in Malaysia. OBJECTIVE: To validate the Malay version of the DASS-21 (Malay-DASS-21) among male outpatient clinic attendees in Johor. METHODS: A validation study with a random sample of 402 male respondents attending the outpatient clinic of a major public outpatient clinic in Johor Bahru and Segamat was carried out from January to March 2016. Construct validity of the Malay-DASS-21 was examined using Exploratory Factor Analysis (KMO = 0.947; Bartlett's test of sphericity is significant, p<0.001) through Principal Component Analysis and orthogonal (varimax) rotation with Kaiser Normalization to confirm the psychometric properties of the Malay-DASS- 21 and the internal consistency reliability using Cronbach's alpha. RESULTS: Construct validity of the Malay-DASS-21 based on eigenvalues and factor loadings to confirm the three factor structure (depression, anxiety, and stress) was acceptable. The internal consistency reliability of the factor construct was very impressive with Cronbach's alpha values in the range of 0.837 to 0.863. CONCLUSIONS: The present study showed that the Malay- DASS-21 has acceptable psychometric construct and high internal consistency reliability to measure self-perceived depression, anxiety and stress over the past week in male outpatient clinic attendees in Johor. Further studies are necessary to revalidate the Malay-DASS-21 across different populations and cultures, and using confirmatory factor analyses. PMID- 29197881 TI - What are the direct medical costs of managing Type 2 Diabetes Mellitus in Malaysia? AB - INTRODUCTION: An economic analysis was performed to estimate the annual cost of diabetes mellitus to Malaysia. METHODS: We combined published data and clinical pathways to estimate cost of follow-up and complications, then calculated the overall national cost. Costs consisted of diabetes follow-up and complications costs. RESULTS: Patient follow-up was estimated at RM459 per year. Complications cost were RM42,362 per patient per year for nephropathy, RM4,817 for myocardial infarction, RM5,345 for stroke, RM3,880 for heart failure, RM5,519 for foot amputation, RM479 for retinopathy and RM4,812 for cataract extraction. CONCLUSION: Overall, we estimated the total cost of diabetes as RM2.04 billion per year for year 2011 (both public and private sector). Of this, RM1.40 billion per year was incurred by the government. Despite some limitations, we believe our study provides insight to the actual cost of diabetes to the country. The high cost to the nation highlights the importance of primary and secondary prevention. PMID- 29197882 TI - Islamic medical jurisprudence syllabus: A Review in Saudi Arabia. AB - INTRODUCTION: The ever-increasing technological advances of Western medicine have created new ethical issues awaiting answers and response. The use of genetic therapy, organ transplant, milk-banking, end-of-life care and euthanasia are of paramount importance to the medical students and need to be addressed. METHODS: A series of searches were conducted of Medline databases published in English between January 2000 and January 2017 with the following keywords: medical ethics, syllabus, Islam, jurisprudence. RESULTS: Islamic medical jurisprudence is gaining more attention in some medical schools. However, there is still lack of an organised syllabus in many medical colleges. CONCLUSION: The outlines of a syllabus in Islamic medical jurisprudence including Islamic values and moral principles related to both the practice and research of medicine are explored. PMID- 29197883 TI - Clinical characteristics, treatment and 2-year outcomes in Malaysian and Bruneian patients with stable coronary artery within the worldwide CLARIFY registry. AB - INTRODUCTION: The on-going, international, prospective, observational, longitudinal CLARIFY registry is investigating the demographics, clinical profiles, management and outcomes of patients with stable coronary artery disease (CAD). This paper assesses baseline characteristics, treatment, and clinical outcomes at two years' follow-up of Malaysian/Bruneian patients compared with the overall registry population. METHOD: Between November 2009 and July 2010, outpatients from 45 countries who met the criteria for stable CAD were recruited into the registry. Baseline characteristics were documented at enrolment, and patients were reassessed during their annual visits over a five-year follow-up period. Key outcomes measured were sudden death and cardiovascular (CV) death, non-CV death and CV morbidity. RESULTS: At baseline, 33,283 patients were available for analysis within the registry; 380 and 27 were Malaysians and Bruneians, respectively. The mean ages of Malaysian/Bruneian patients and the rest of the world (RoW) were 57.83 +/-9.98 years and 64.23 +/- 10.46 years, respectively (p<0.001). The median body mass index values were 26.6 (24.4-29.6) kg/m2 and 27.3 (24.8-30.3) kg/m2, respectively (p=0.014). Malaysian/Bruneian patients had lower rates of myocardial infarction (54.55% versus 59.76%, p=0.033) and higher rates of diabetes (43.24% versus 28.99%, p<0.001) and dyslipidaemia (90.42% versus 74.66%, p<0.001) compared with the RoW. Measured clinical outcomes in Malaysian and Bruneian patients at 2-years follow-up were low and generally comparable to the RoW. CONCLUSION: Malaysian/Bruneian patients with stable CAD tend to be younger with poorer diabetic control compared with the RoW. However, they had similar outcomes as the main registry following two years of treatment. PMID- 29197884 TI - Comparison between FEV1/FEV6 and FEV1/FVC as screening of chronic obstructive pulmonary disease. AB - OBJECTIVE: To compare FEV1/FEV6 to the standard spirometry (FEV1/FVC) as a screening tool for COPD. METHODS: This cross-sectional study was conducted at Hospital Tuanku Fauziah, Perlis, Malaysia from August 2015 to April 2016. FEV1/FEV6 and FEV1/FVC results of 117 subjects were analysed. Demographic data and spirometric variables were tabulated. A scatter plot graph with Spearman's correlation was constructed for the correlation between FEV1/FEV6 and FEV1/FVC. The sensitivity, specificity, positive and negative predictive values of FEV1/FEV6 were determined with reference to the gold standard of FEV1/FVC ratio <0.70. Receiver-operator characteristic (ROC) curve analysis and Kappa statistics were used to determine the FEV1/FEV6 ratio in predicting an FEV1/FVC ratio <0.70. RESULTS: Spearman's correlation with r = 0.636 (P<0.001) was demonstrated. The area under the ROC curve was 0.862 (95% confidence interval [CI]: 0.779 - 0.944, P<0.001). The FEV1/FEV6 cut-off with the greatest sum of sensitivity and specificity was 0.75. FEV1/FEV6 sensitivity, specificity, positive and negative predictive values were 93.02%, 67.74%, 88.89% and 77.78% respectively. There was substantial agreement between the two diagnostic cut-offs (kappa = 0.634; 95% CI: 0.471 - 0.797, P<0.001) CONCLUSIONS: The FEV1/FEV6 ratio can be considered to be a good alternative to the FEV1/FVC ratio for screening of COPD. Larger multicentre study and better education on spirometric techniques can validate similar study outcome and establish reference values appropriate to the population being studied. PMID- 29197885 TI - The predicting roles of reasons for living and social support on depression, anxiety and stress among young people in Malaysia. AB - INTRODUCTION: This research examined the predicting roles of reasons for living and social support on depression, anxiety and stress in Malaysia. METHOD: This research was carried out on a sample of 263 participants (age range 12-24 years old), from Klang Valley, Selangor. The survey package comprises demographic information, a measure of reasons for living, social support, depression, anxiety and stress. To analyse the data, correlation analysis and a series of linear multiple regression analysis were carried out. RESULTS: Findings showed that there were low negative relationships between all subdomains and the total score of reasons for living and depression. There were also low negative relationships between domain-specific of social support (family and friends) and total social support and depression. In terms of the family alliance, self-acceptance and total score of reasons for living, they were negatively associated with anxiety, whereas family social support was negatively associated with stress. The linear regression analysis showed that only future optimism and family social support found to be the significant predictors for depression. Family alliance and total reasons for living were significant in predicting anxiety, whereas family social support was significant in predicting stress. CONCLUSION: These findings have the potential to promote awareness related to depression, anxiety, and stress among youth in Malaysia. PMID- 29197886 TI - Bullying and truancy: Predictors to sexual practices among school-going adolescents in Malaysia - a cross-sectional study. AB - INTRODUCTION: Adolescents' involvement in sexual practices are becoming a major public health concern in Malaysia. This study aims to determine the prevalence of sexual practices among Malaysian school-going adolescents and its predictive factors. METHODS: A cross-sectional study was carried out from April 2012 till September 2012 among 16-year-old school adolescents from two different schools. They were selected through simple random sampling and these adolescents answered a self-administered questionnaire consisting of three sections i.e. socio demography, risk-taking behaviours and family-adolescents relationship. Data were analysed using Pearson Chi-Square test while Simple Logistic Regression and Multiple Logistic Regression were applied to determine the predictive factors. RESULTS: The prevalence of sexual practices among the adolescents was 30.1% in which they were either involved in pornography (26.8%), pre-sexual activities (8.5%) or premarital sex (2.9%). Six predictive factors associated with sexual practices among this age group were identified which were male (adjusted Odds Ratio (aOR) 2.7, 95% Confidence Interval (95%CI) 1.4 to 2.5), truancy (aOR 2.3, 95%CI 1.3 to 4.2), bully (aOR 3.5, 95%CI 1.7 to 7.3), hanging out (aOR 2.8, 95% 1.4 to 5.6), staying out late (aOR 3.2, 95%CI 1.5 to 6.8) and conflict with family (aOR 4.1, 95%CI 1.9 to 8.9). DISCUSSION: Asian background differs from the western countries and findings of this study may suggest suitable intervention programmes that can prevent high-risk sexual practices among Asian school-going adolescents. PMID- 29197887 TI - Important differential in a patient presenting with neuropsychiatric symptoms: Anti-N-Methyl-D-Aspartate receptor encephalitis. AB - Anti-N-Methyl-D-Aspartate receptor (NMDAR) encephalitis is an immune mediated condition, which remains relatively unknown in Malaysia outside tertiary hospitals with neurology unit. It is often misdiagnosed as a psychiatric illness before definitive treatment is instituted. We report here an 18-year-old man who initially presented to the psychiatry unit before he was subsequently diagnosed as having anti-NMDAR encephalitis. To our knowledge, this is the first reported case of anti-NMDAR encephalitis in the east coast of Peninsular Malaysia. PMID- 29197888 TI - Congenital arhinia - First published case in Malaysia. AB - Congenital arhinia is one of the rare craniofacial malformation that may cause severe respiratory distress at birth due to upper airway obstruction. Our patient, whose abnormalities were only detected after delivery in our centre, is the first reported case of congenital arhinia in Malaysia. Contrary to popular belief that neonates are obligate nasal breather, our patient adapted well to breathing through mouth before an elective tracheostomy was performed on day four of life. PMID- 29197889 TI - Acute necrotising encephalopathy of childhood: A review of two cases. AB - Acute necrotising encephalopathy of childhood (ANEC) is an uncommon disease with characteristic clinical and imaging findings. We present two cases of ANEC secondary to Respiratory Syncytial Virus (RSV) and mycoplasma infections. An eight-month-old boy presented with features of gastroenteritis but soon developed multiple episodes of seizures. Blood and CSF cultures were negative but nasopharyngeal aspirate immunofluorescence was positive for RSV. A nine-year-old girl presented with abnormal behaviour following two days of prodromal symptoms. Her serological markers implicated mycoplasma (IgM titre 1: 640). CT brain of both patients showed bilateral symmetrical thalamic hypodensities, while MRI revealed more extensive white matter involvements. PMID- 29197890 TI - Siphoning diesel: a fatal mistake. AB - Diesel is commonly used as fuel for engines and is distilled from petroleum. Diesel has toxic potential and can affect multiple organs. Exposure can occur after ingestion, inhalation or through the dermal route. The practice of siphoning diesel using a rubber tubing and the mouth is common in rural communities. This can lead to accidental ingestion and aspiration. Here we report a case of a patient who accidentally ingested diesel during siphoning, which caused extensive erosion of the oral cavity and oesophagus leading to pneumomediastinum and severe chemical lung injury. The patient responded well initially to steroids and supportive care but required prolonged hospitalisation. He developed complications of nosocomial infection and succumbed 23 days after admission. PMID- 29197891 TI - Management of malodour fungating wound with nanocrystalline silver coated dressing. AB - Chronic exudative malodorous fungating wound of four years at the right arm due to diffuse large B cell lymphoma managed with silver dressings. In two months of application with nanocrystalline silver coated dressings, there was significant improvement in wound. PMID- 29197892 TI - Relapse of B-cell acute lymphoblastic leukaemia presenting as right aural polyp with facial and mandibular nerves palsy. AB - A patient presenting with an ear polyp is a common finding in otorhinolaryngology practice. The common causes include chronic otitis media and cholesteatoma. We report an adult female patient with a history of acute leukaemia presenting with chronic otitis media symptoms and right ear polyp. She was subsequently diagnosed as relapse of B-cell acute lymphoblastic leukaemia based on histopathological examination. The presentation may be similar to an inflammatory pathology of the middle ear, making it misleading. PMID- 29197893 TI - Management of concurrent thoracic and abdominal aortic aneurysms. AB - Concurrent thoracic and abdominal aortic aneurysm is uncommon. It remains a formidable surgical challenge to vascular surgeons, as decision to treat in staged or simultaneous setting still debatable. We present, here, a case of a 62 year-old-man with asymptomatic concurrent thoracic and abdominal aortic aneurysms, which was successfully treated with two-stage hybrid endovascular repair. The aim of this case report is to discuss the treatment options available, possible associated complications and measures to prevent them. PMID- 29197894 TI - Diagnostic challenge of Burkitt's lymphoma at early age. AB - A four-year-old Ibanese boy presented with subacute abdominal distension for two months duration. Ultrasound and computed tomography (CT) scan showed solid liver masses as well as bowel and intraperitoneal lesions. Initial diagnosis of intraperitoneal inflammatory process as in tuberculosis with non-liquefied liver abscess with differential diagnosis of neoplastic process was made. Liver biopsy and peritoneal fluid analysis revealed Burkitt's lymphoma (BL). We aim to highlight the diagnostic challenge of BL in this young age group emphasizing on the ultrasound and CT features of intraabdominal BL. We would also want to stress the importance of early diagnosis of BL as it is known to be the most aggressive tumour within 24 hours yet to have good survival if early diagnosis was made. PMID- 29197895 TI - Identification of Key Genes in Colorectal Cancer Regulated by miR-34a. AB - BACKGROUND The aim of this study was to screen the molecular targets of miR-34a in colorectal cancer (CRC) and construct the regulatory network, to gain more insights to the pathogenesis of CRC. MATERIAL AND METHODS The microarray data of CRC samples and normal samples (GSE4988), as well as CRC samples transformed with miR-34a and non-transfected CRC samples (GSE7754), were downloaded from the Gene Expression Omnibus (GEO) database. The differently expressed genes (DEGs) were identified via the LIMMA package in R language. The Database for Annotation, Visualization and Integrated Discovery (DAVID) was used to identify significant Gene Ontology (GO) terms and pathways in DEGs. The targets of miR-34a were obtained via the miRWalk database, and then the overlaps between them were selected out to construct the regulatory network of miR-34a in CRC using the Cytoscape software. RESULTS A total of 392 DEGs were identified in CRC samples compared with normal samples, including 239 upregulated genes and 153 downregulated ones. These DEGs were enriched in 75 GO terms and one Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway. At the same time, 332 DEGs (188 upregulated and 144 downregulated) were screened out between miR-34a transformed CRC and miR-34a non-transfected CRC samples and they were enriched in 20 GO terms and eight KEGG pathways. Six overlapped genes were identified in two DEGs groups. There were 1,668 targets of miR-34a obtained via the miRWalk database, among which 21 were identified differently expressed in miR-34a transformed CRC samples compared with miR-34a non-transfected CRC samples. Two regulatory networks of miR 34a in CRC within these two groups of overlapped genes were constructed respectively. CONCLUSIONS Pathways related to cell cycle, DNA replication, oocyte meiosis, and pyrimidine metabolism might play critical roles in the progression of CRC. Several genes such as SERPINE1, KLF4, SEMA4B, PPARG, CDC45, and KIAA0101 might be the targets of miR-34a and the potential therapeutic targets of CRC. PMID- 29197896 TI - miRNA-1273g-3p Involvement in Development of Diabetic Retinopathy by Modulating the Autophagy-Lysosome Pathway. AB - BACKGROUND Diabetic retinopathy (DR) is one of the most common and serious complications of diabetes mellitus (DM). The autophagy-lysosome pathway (ALP) is one of the main intracellular self-digestive degradation systems. Lysosomal impairment and autophagic dysfunction are early events in the pathogenesis of DR, suggesting autophagy might be a novel therapeutic strategy for DR treatment. MATERIAL AND METHODS In our study, we screened a differentially expressed miRNA, miR-1273g-3p, in streptozotocin (STZ)-injected DR rat retinal pigment epithelial (RPE) cells. miR-1273g-3p inhibitor and mimic were employed to treat RPE cells to assess the role of miR-1273g-3p. QRT-PCR and Western blot analysis were performed to examine the function of miR-1273g-3p on ALP-related and DR-related proteins. RESULTS miR-1273g-3p was highly expressed in STZ-induced DM RPE cells. miR-1273g 3p mimic promoted the expression of DR-related MMP-2, MMP-9, and TNF-alpha proteins, and ALP-related LC3, cathepsin B, and cathepsin L factors, but miR 1273g-3p inhibitor suppressed the levels of these factors. CONCLUSIONS miR-1273g 3p is involved in the progression of DR by modulating the autophagy-lysosome pathway. These findings provided new evidence of the close relationship between DR and ALP, and reveal a new target for DR therapy. PMID- 29197897 TI - New Zealand asthma guidelines updated. PMID- 29197898 TI - Asthma and Respiratory Foundation NZ child and adolescent asthma guidelines: a quick reference guide. AB - The purpose of the New Zealand Child and adolescent asthma guidelines: a quick reference guide is to provide simple, practical, evidence-based recommendations for the diagnosis, assessment and management of asthma in children and adolescents in New Zealand, with the aim of improving outcomes and reducing inequities. The intended users are health professionals responsible for delivering asthma care in the community and hospital emergency department settings, and those responsible for the training of such health professionals. PMID- 29197899 TI - Breastfeeding indicators among a nationally representative multi-ethnic sample of New Zealand children. AB - AIMS: To describe breastfeeding initiation and duration, and demographic associations with breastfeeding duration within a representative sample of New Zealand infants. METHODS: In 6,685 singletons enrolled in the Growing Up in New Zealand cohort we described breastfeeding initiation (96%), any (94%) and exclusive (93%) breastfeeding (EBF) duration. We used adjusted relative risk (RR) and 95% confidence intervals (CI) to describe associations with breastfeeding duration. RESULTS: Breastfeeding initiation occurred for 97%. Sixteen percent were EBF to age six months and 13% were breastfed to age 24 months. Exclusive breastfeeding for >=4 months was less likely for children of mothers of Maori (RR=0.80, 95% CI 0.73-0.87), Pacific (0.90, 95% CI 0.83-0.98) or Asian (0.80, 95% CI 0.74-0.86) ethnicity. Children of mothers aged 20-29 years (1.24, 95% CI 1.04 1.49); >=30 years (1.36, 95% CI 1.14-1); with a tertiary education (1.14, 95% CI 1.08-1.21); or planned pregnancy (1.14, 95% CI 1.08-1.21); and children with older siblings (RR=1.31, 95% CI 1.17-1.47) were more likely to be exclusively breastfed for >=4 months. Children were more likely to be breastfed >=6 months if their mother was aged 20-29 (1.26, 95% CI 1.10-1.45) or >=30 years (1.40, 95% CI 1.22-1.61), had a tertiary education (1.11, 95% CI 1.06-1.59) or planned pregnancy (1.11, 95% CI 1.06-1.15), or if they had older siblings (1.04, 95% CI 1.00-1.08). CONCLUSION: In New Zealand, most children are initially breastfed, however a large proportion did not receive the recommended duration of any or exclusive breastfeeding. Maternal age, education, parity and pregnancy planning identify children at risk of shorter duration of breastfeeding and EBF, and maternal ethnicity identifies children at risk of shorter EBF duration. PMID- 29197900 TI - Teaching quality improvement to medical students: over a decade of experience. AB - AIM: To describe how we incorporate experiential quality improvement (QI) learning at the University of Auckland by integrating a clinical audit project into the Year 6 obstetrics and gynaecology clinical attachment. METHODS: Students gain insight into the relevance of QI while engaged in day-to-day clinical work. Students work with a clinical supervisor to identify an area for potential improvement, set a standard of care, measure current practice, investigate reasons for deviation from the standard and make real-world suggestions to close the gap between best evidence and observed practice. RESULTS: Since 2004, over 1,250 projects have been completed, and two journal articles published. Many of the student projects result in actual improvements to clinical processes of care, and lead to strengthening of academic and service provider learning networks and partnerships. CONCLUSIONS: Performing a hands-on project within the constraints and context of a busy women's health service is a feasible and effective method of teaching QI. Medical schools have an integral role to play in ensuring future healthcare professionals are equipped with QI knowledge, skills and attitudes. Experiential QI learning enhances clinical teaching and training, and is important in preparing future clinicians to incorporate QI into their daily practice. PMID- 29197901 TI - Deaf New Zealand Sign Language users' access to healthcare. AB - AIMS: The research described was undertaken as part of a Sub-Regional Disability Strategy 2017-2022 across the Wairarapa, Hutt Valley and Capital and Coast District Health Boards (DHBs). The aim was to investigate deaf New Zealand Sign Language (NZSL) users' quality of access to health services. Findings have formed the basis for developing a 'NZSL plan' for DHBs in the Wellington sub-region. METHODS: Qualitative data was collected from 56 deaf participants and family members about their experiences of healthcare services via focus group, individual interviews and online survey, which were thematically analysed. Contextual perspective was gained from 57 healthcare professionals at five meetings. Two professionals were interviewed, and 65 staff responded to an online survey. A deaf steering group co-designed the framework and methods, and validated findings. RESULTS: Key issues reported across the health system include: inconsistent interpreter provision; lack of informed consent for treatment via communication in NZSL; limited access to general health information in NZSL and the reduced ability of deaf patients to understand and comply with treatment options. This problematic communication with NZSL users echoes international evidence and other documented local evidence for patients with limited English proficiency. CONCLUSION: Deaf NZSL users face multiple barriers to equitable healthcare, stemming from linguistic and educational factors and inaccessible service delivery. These need to be addressed through policy and training for healthcare personnel that enable effective systemic responses to NZSL users. Deaf participants emphasise that recognition of their identity as members of a language community is central to improving their healthcare experiences. PMID- 29197902 TI - A New Zealand platform to enable genetic investigation of adverse drug reactions. AB - A multitude of factors can affect drug response in individuals. It is now well established that variations in genes, especially those coding for drug metabolising enzymes, can alter the pharmacokinetic and/or pharmacodynamic profile of a drug, impacting on efficacy and often resulting in drug-induced toxicity. The UDRUGS study is an initiative from the Carney Centre for Pharmacogenomics to biobank DNA and store associated clinical data from patients who have suffered rare and/or serious adverse drug reactions (ADRs). The aim is to provide a genetic explanation of drug-induced ADRs using methods ranging from Sanger sequencing to whole exome and whole genome sequencing. Participants for the UDRUGS study are recruited from various sources, mainly via referral through clinicians working in Canterbury District Health Board, but also from district health boards across New Zealand. Participants have also self-referred to us from word-of-mouth communication between participants. We have recruited various ADRs across most drug classes. Where possible, we have conducted genetic analyses in single or a cohort of cases to identify known and novel genetic association(s) to offer an explanation to why the ADR occurred. Any genetic results relevant to the ADR are communicated back to the referring clinician and/or participant. In conclusion, we have developed a programme for studying the genetic basis of severe, rare or unusual ADR cases resulting from pharmacological treatment. Genomic analyses could eventually identify most genetic variants that predispose to ADRs, enabling a priori detection of such variants with high throughput DNA tests. PMID- 29197903 TI - Acupuncture, ACC and the Medicines Act. AB - Acupuncture is covered under the Accident Compensation (Liability to Pay or Contribute to Cost of Treatment) Regulations 2003, and is therefore eligible for Accident Compensation Corporation payments for the treatment of personal injuries. This study searched New Zealand acupuncturists' websites for therapeutic claims that may breach Section 58(1)(a) of the Medicines Act. A search of acupuncturists' websites shows that many claim to be able to treat a wide range of conditions, despite a lack of evidence showing the efficacy of acupuncture in the treatment of those conditions. Practitioners and owners of websites likely to be in breach of the Medicines Act include many committee members from acupuncture's professional bodies. PMID- 29197904 TI - Exposure to respirable crystalline silica in the construction industry-do we have a problem? AB - AIMS: To assess personal exposure to respirable dust and respirable crystalline silica (RCS) in New Zealand construction workers. METHODS: In a pilot study, 39 personal samples were collected from a cross-section of workers engaged in a range of tasks performed on construction sites that were expected to entail exposure to respirable crystalline silica. Nine static samples were taken at locations adjacent to these tasks. Particle size-selective sampling heads were used to collect the respirable fraction of airborne particulates. Dust concentrations were determined gravimetrically, while crystalline silica was analysed using x-ray diffraction. RESULTS: Almost half of the personal crystalline silica samples exceeded the New Zealand Workplace Exposure Standard (NZ WES), while 56% exceeded the more stringent international recommendation (ACGIH TLV). The tasks associated with the highest RCS levels were concrete grinding and cutting. Two of four static samples collected close to (silica containing) Linea board cutting exceeded the ACGIH TLV for RCS, indicating the potential for bystander exposure. CONCLUSIONS: A large proportion of workers performing common tasks in the construction industry may be exposed to levels of respirable dust and crystalline silica exceeding national standards and international recommendations. These results suggest that workers in this industry may be at risk of developing silica-related diseases, including silicosis, lung cancer, COPD and chronic renal disease. Action is required to improve dust control to reduce silica exposure and the associated health risks. PMID- 29197905 TI - Physician advocacy in Western medicine: a 21st century challenge. AB - Physician advocacy occurs when doctors speak up for the health and healthcare of patients and communities. Historically, this was strong in some Western countries with doctors finding that it enhanced their authority, prestige and power. But it weakened in the 20th century when the biomedical model of heath triumphed and medicine became a dominant profession. In the second part of the 20th century, this dominance was threatened by political, technological and socioeconomic forces. These weakened medicine's state support, brought it under managerial control and undermined the social contract on which trust between doctors and the community was based. Defence of the profession was assumed by medical colleges, societies and associations. They had some success in retaining professional autonomy but did not undertake open advocacy, particularly on social justice issues, and did not therefore enhance their standing in the community. Opinion is divided on the level of advocacy that it is ethically proper for the medical profession to employ. Some contend doctors should only advise authorities when expert opinion is requested. Others contend doctors should speak out proactively on all health issues, and that collective action of this type is a hallmark of professionalism. This lack of consensus needs to be debated. Recent developments such as clinical leadership have not revitalised physician advocacy. However, continued deterioration of the UK National Health Service has led some English medical colleges to take up open advocacy in its defence. It is to be seen whether medical colleges elsewhere follow suit, as and when their healthcare systems are similarly threatened. PMID- 29197906 TI - Asbestos-worker exposure, family disease. AB - Family members, mostly female, can be at risk of asbestos-related disease as a result of the transfer of asbestos from the workplace to the home on the hair, boots and clothes of the worker. It is argued that in these cases the home should be recognised as an extension of the workplace and that the employer has a duty of care to contain and control the asbestos. Given these circumstances, the family member with the disease should be entitled to cover under the Accidence Compensation Legislation. PMID- 29197907 TI - Fanconi anaemia and oral squamous cell carcinoma: management considerations. AB - Fanconi anaemia (FA) is a rare multi-system genetic disorder where patients are susceptible to the development of oral malignancies. Clinicians involved in their management should be vigilant in detecting lesions early, and an individualised treatment plan should then be formulated. Although surgery forms the mainstay of oncological treatment, adjuvant therapy can be instituted with care. Unfortunately, prognosis is poor, and close long-term follow-up is required. This short report describes pertinent management considerations in relation to a case of oral squamous cell carcinoma. PMID- 29197908 TI - Aggressive prostate cancer incidence in New Zealand-"united we fall, divided we stand". AB - Prostate cancer is an important health burden to the healthcare system of any country. However, with the current prostate-specific antigen biomarker having low predictive value even for diagnostic purposes, the challenge is still open to tackle this chronic disease. There have been a number of studies which have indicated and encouraged a multi-directional approach to combat this disease. We have been carrying out a multi-directional approach in order to identify certain New Zealand-specific factors which may be drivers for this cancer and its aggressive forms. These will be explained in further detail in this research letter. PMID- 29197909 TI - Could nail and joint alterations make the difference between psoriatic arthritis and osteoarthritis during the ultrasonographic evaluation of the distal interphalangeal joints? AB - . PMID- 29197910 TI - Detection and characterization of small superficially located focal liver lesions by contrast-enhanced ultrasound with high frequency transducers. AB - AIM: To evaluate the benefits of contrast-enhanced ultrasound (CEUS) with high frequency transducers in the detection and characterization of small superficially located focal liver lesions (FLLs). MATERIAL AND METHODS: From January 2015 to October 2016, 27 superficial FLLs detected by MRI were examined, first with the low frequency convex transducer (1-5 MHz) and afterwards with a high frequency transducer (7.5-12 MHz). High frequency dynamic CEUS was performed after a bolus injection of 2.4 ml SonoVue(r). FLLs were confirmed by histopathology after surgery (n=18) or ultrasound guided 18-gauge core-needle biopsy (n=8), or by MRI follow-up (n =1). RESULTS: The mean diameter of FLLs was 10.5+/-3.1 mm, and meandepth was 6.2+/-5.3 mm. While using a high frequency transducerthe detection rate of FLLs (100%, 27/27) was significantly higher than low frequency transducer (25.9%, 7/27) (p<0.05). The overall sensitivity, specificity and diagnostic accuracy were significantly improved by CEUS with a high frequency transducer (sensitivity 88.9%; specificity 92.6%; accuracy 96.2%). CONCLUSION: Combining CEUS with the performance of high-frequency transducers is a promising technique to improve the detection and accurate diagnosis of small and superficial FLLs appearing indistinctive on BMUS. PMID- 29197911 TI - Intra- and inter-observer variation and accuracy using different shear wave elastography methods to assess circumscribed objects - a phantom study. AB - AIMS: The elastic properties of circumscribed tissues (e.g., tendons, lymph nodes, prostates, brain tumors) are of considerable clinical interest. The purpose of this study was thus to compare the Intra-/Inter-observer variation and accuracy in vitro of point shear wave elastography (pSWE) with that of 2D-SWE and to assess 2D-SWE's precision with variable ROI (vROI) incircumscribed objects. MATERIAL AND METHODS: Round targets (Elasticity QA Phantom Model 049) were examined for varying degrees of stiffness (8, 14, 45, and 80 kPa) and diameters (20/10 mm). Three ultrasound systems and four probes were applied (pSWE: Acuson/S3000 9L4/4C1 and Epiq7 C51, 2D-SWE: Aplio/500 PVT375BT). Three different ROIs were used, namely fixed ROI (fROI) and variable ROI: rectangular-best-fitted ROI, and round-best-fitted ROI. Each measurement was performed twice by four observers. RESULTS: A total of 3,604 measurements were conducted. The intra observer variation of 2D-SWE measurements indicated better agreement (Intraclass Correlation Coefficient (ICC) = 0.971; 95% CI=[0.945; 0.985]), than for the pSWE measurements (ICC = 0.872; 95% CI=[0.794; 0.92]). With both methods, the shear wave elastography applied showed low inter-observer variation: ICC = 0.980; 95% CI=[0.970; 0.987]. However, a significant difference was observed between fROI (pSWE) and vROI (2D-SWE) on circumscribed objects in terms of accuracy. The lowest degree of observationerror was detected in situations where the ROI was not "best fitted", but placed within the target of 3mm from the border (target diameter: 20mm; mean relative error = 0.15). CONCLUSIONS: When estimating the elastic properties of circumscribed tissues, the different measurement techniques performed by commercial shear wave elastography systems reveal a strong susceptibility for observational errors, depending upon the fixed vs. variable ROI of the pSWE vs. 2D-SWE technique. PMID- 29197912 TI - Point shear wave elastography (pSWE) using Acoustic Radiation Force Impulse (ARFI) imaging: a feasibility study and norm values for renal parenchymal stiffness in healthy children and adolescents. AB - AIMS: To evaluate the applicability of point shear wave elastography (pSWE) for measuring renal parenchymal stiffness in healthy children and adolescents and to establish norm values for shear wave speed (SWS) using two ARFI methods and ultrasound probes. MATERIAL AND METHODS: We prospectively investigated 264 children (43.9% males). pSWE (Virtual TouchTM Quantification and Virtual TouchTM Imaging Quantification (VTQ and VTIQ; Siemens, Germany)) was performed in the renal cortex of 528 healthy kidneys using a 1-6 MHz convex and a 4-9 MHz linear ultrasound probe in ventrolateral and dorsal examinations. Feasibility and reproducibility of pSWE measurements were evaluated. SWS values were analysed with regard to age, body dimensions, kidney volume and measuring depth. RESULTS: pSWE measurements were successful in >95% of subjects using the low and in <60% using the high-frequency probe. Mean SWS values (m/s) differed by method and probe: 2.10+/-0.43 (VTQ1-6MHz, convex, ventrolateral), 2.30+/-0.37 (VTQ1-6MHz, convex, dorsal), 1.58+/-0.44 (VTQ4-9MHz, linear, dorsal) and 1.96+/-0.27 (VTIQ4 9MHz, linear, dorsal). SWS was positively correlated with age, weight and body height, but independent of sex, BMI, or kidney volume and depth. CONCLUSIONS: pSWE (VTQ) is a feasible method to evaluate renal parenchymal stiffness in children of all ages. SWS values are age and weight dependent and differ significantly between high- and low-frequency probes. High-frequency probes and VTIQ should only be used in children <10 years. PMID- 29197913 TI - An "alternative finger" in robotic-assisted thoracic surgery: intraoperative ultrasound localization of pulmonary nodules. AB - AIM: Robotic-assisted thoracic surgery (RATS) has become a promising treatment for pulmonary neoplasms. During RATS, intraoperative ultrasonography can act as an "alternative finger" to "touch" and locate lesions, especially pulmonary nodules. This study was aimed to investigate the efficacy of intraoperative ultrasonographic localization during da Vinci RATS procedures. MATERIAL AND METHODS: Patients with pulmonary nodules were randomly divided into an Experimental Group and Control Group in which nodules were respectively located using intraoperative ultrasonography or by the surgeon's anatomic knowledge. The success rates and relevant localization factors were compared between the groups and analyzed to conclude the efficacy of intraoperative ultrasonography. Additionally, the intraoperative ultrasonography learning curve was analyzed to evaluate each surgeon's ability to independently perform intraoperative ultrasonography. RESULTS: Thirty-four patients were included in the study (n = 17/group). Respectively, the Experimental Group and Control Group comprised 41.2% and 58.9% women (p= 0.937), and had average ages of 55.5 and 55.8 years. In the Experimental group, ultrasonographic localization for mixed ground-glass nodules with CT values of -500 to -100 Hounsfield units had an efficacy of 87.5%. By contrast, the localization efficacy in Control Group was 20.0% (p=0.032).A single surgeon without prior experience performed intraoperative ultrasonography in 20 cases, and the latter 10 procedures required significantly less time relative to the former 10 procedures (p=0.000). CONCLUSIONS: During RATS, the use of intraoperative ultrasonography as an "alternative finger" to "touch" and findthe accurate location of pulmonary nodules, especially mixed ground-glass nodules, is warranted. PMID- 29197914 TI - Testicular volume and elasticity changes in young children with undescended testes. AB - AIMS: To evaluate the differences and changes of testicular volume and elasticity in normal (NL) testes and undescended testes (UDTs) of children using shear wave elastography (SWE). MATERIALS AND METHODS: Testicular ultrasound images from children younger than 60 months old were retrospectively reviewed. Testicular volumes and elasticities were compared between the UDT group and NL group. In patients with unilateral UDT (uUDT), we also compared the values between uUDT and contralateral grossly normal (CGN) testis groups. RESULTS: There were 25 UDTs including 4 bilateral in the UDT groupand 54 normal testes in the NL group. While testicular volume was significantly smaller in UDT (vs. NL) and uUDT (vs. CGN) groups, the elasticity was not different. Testicular volume was positively correlated with age in both NL (r=0.474) and CGN (r=0.729) groups (p<0.001), while there was no correlation in the UDT group. Testicular stiffness showed negative correlation with age in the NL group (r=-0.390, p=0.004) and positive correlation in the UDT group (r=0.426, p=0.034). CONCLUSIONS: Instead of increasing volume and decreasing stiffness of normal testes during development of the early 60 months, UDTsexhibited smaller volume and increasing stiffness. The CGN testes of uUDT patients showed increasing volume without stiffness change. PMID- 29197915 TI - The diagnostic value of shear wave elastography for parathyroid lesions and comparison with cervical lymph nodes. AB - AIMS: The aim of this study was to prospectively assess the feasibility of the Virtual Touch tissue imaging quantification (VTIQ) method of shear wave elastography (SWE) for the discrimination of parathyroid lesions and to compare the lesions' stiffness with that of cervical lymph nodes. MATERIALS AND METHODS: SWE using VTIQ was performed on 66 patients with 87 histopathologically proven parathyroid lesions (54 parathyroid adenomas and 33 parathyroid hyperplasia) and 29 patients with 31 inflammatory cervical lymph nodes. The mean SWVs of the lesions were compared and receiver operating characteristic (ROC) curve analysis was used to evaluate diagnostic performance. RESULTS: The mean SWV of parathyroid adenomas (2.16+/-0.33 m/s) differed significantly from those of parathyroid hyperplasia and lymph nodes (1.75+/-0.28 m/s and 1.86+/-0.37 m/s respectively, p<0.001). Selecting a cutoff value of 1.92 m/s for diagnosing adenoma led to 80% sensitivity and 82% specificity (area under the curve [AUC]: 0.832 [95% confidence interval (CI): 0.742-0.921], p< 0.001). CONCLUSIONS: The VTIQ method of SWE can contribute to the differentiation of parathyroid adenoma from parathyroid hyperplasia and cervical lymphnodes. PMID- 29197916 TI - An investigation into the variability between different shear wave elastography systems in muscle. AB - AIMS: The reliability and agreement between shear wave elastography (SWE) systems using different acquisition methods in muscles is not yet established. The objectives were to determine the reliability of a new SWE system on normal resting muscles using different acquisition methods and to compare its performance to an established state-of-the-art system. MATERIALS AND METHODS: Small, medium and large ROI sizes in addition to longitudinal, oblique and transverse orientations over five different locations within the rectus femoris muscle were tested using the new system. Results were compared to the established system to test for inter-system reproducibility. RESULTS: Lowest within-subject coefficient of variance (4.3%) andshear wave velocity (1.83 m/s) were associated with the medium ROI and longitudinal orientation from the lateral location. This combination resulted in a strong internal agreement of intra-class correlation of 0.76 (0.57-0.89) for the new system and an almost perfect agreement of 0.92 (0.82 0.97) for the established. Inter-system reproducibility for the best combination was 0.71 (0.48-1) with a mean velocity difference +/-95% limits of agreement of 0.07+/-0.49 m/s. CONCLUSIONS: Altering SWE acquisition methods can produce variable results. The new system produced reliable results that are comparable with but not as reliable as the established. PMID- 29197917 TI - Romanian National Guidelines on Contrast Enhanced Ultrasound in clinical practice. AB - Contrast-enhanced ultrasound (CEUS) allows a real-time assessment of the vascular pattern of different types of lesions, as it has no renal or liver toxicity, it lacks radiation exposure and it is also cheaper than other imaging methods, having a diagnostic capability that matches contrast-enhanced CT or MRI. In Romania CEUS is used more and more, especially by clinicians, and since some centres have extensive experience in this domain, we felt the need to disseminate our expertise in order to implement this method in as many centres as possible. These Guidelines present the clinical applications of CEUS in the liver, spleen, pancreas, kidney, testis, bowel, intra-cavitary and endoscopic ultrasound, as well as other applications. PMID- 29197918 TI - The potential of ultrasonography in the evaluation of foot orthotics therapy. AB - Foot orthotics prescription is based on the foot functioning paradigms with tissue stress theory being in avant-garde. The main goal of orthotic therapy is to reduce the internal tissue's pathological stresses in the foot structures. Traditionally, ultrasound scanning technique depicts anatomic related data of both common and uncommon pathology encountered in the clinical practice, helping in diagnosing, treating and evaluating, which are equally important for the practitioners. Its accessibility, compared to biomechanical modelling, makes this technique a valuable tool in the field of foot and ankle disorders. Despite its user-dependent limitation, the ongoing technical progress improves the ability of ultrasonography as a highly advanced procedure in musculoskeletal imaging, being also a valuable searching tool for musculotendinous mechanics or morphological changes as a result of a conservative intervention. The aim of the present work was to perform a review of the state of the art concerning the usefulness of ultrasonography in the study of foot orthotic therapy and to analyze its effectiveness. PMID- 29197919 TI - Prostate ultrasound: back in business! AB - The use of grey scale prostate ultrasound decreased after the implementation of magnetic resonance imaging (MRI) for the diagnosis and evaluation of prostate cancer. The new developments, such as multiparametric ultrasound and MRI ultrasound fusion technology, renewed the interest for this imaging method in the assessment of prostate cancer. The purpose of this paper was to review the current role of prostate ultrasound in the setting of these new applications. A thorough reevaluation of the selection criteria of the patients is required to assess which patients would benefit from multiparametric ultrasound, who wouldbenefit from multiparametric MRI or the combination of both to assist prostate biopsy in order to ensure the balance between overdiagnosis and underdiagnosis of prostate cancer. PMID- 29197920 TI - Abdominal wall endometriosis: an update in clinical, imagistic features, and management options. AB - Abdominal wall endometriosis (AWE) is a rare condition defined by the presence of endometrial tissue in the subcutaneous fatty layer and the muscles of the abdominal wall. It is usually caused by the dissemination of endometrial tissue in the wound at the time of obstetrical and gynecological surgeries. AWE is rare and difficult to diagnose. The most frequent clinical presentation is that of a palpable subcutaneous mass near surgical scars associated with cyclic pain and swelling during menses. AWE may be an underreported pathology partly because it has scarcely received attention in the radiologic literature. Its frequency is expected to rise along with the increasing rate of cesarean deliveries; thus, it is important that physicians or sonographers are familiar with this pathology. The purpose of our review is to present the latest data regarding risk factors, clinical and imagisticfindings, and management of AWE. PMID- 29197921 TI - Enthesitis of the hands in psoriatic arthritis: an ultrasonographic perspective. AB - Psoriatic arthritis is a systemic inflammatory disease in which enthesitis and dactylitis are two of the main hallmarks of the disease. In the last years, ultrasonography is increasingly playing a key role in the diagnosis of psoriatic arthritis and ultrasonography of the entheses, particularly of the lower limbs, is commonly used to assess patients with that disease. New advancements in ultrasound equipment using high frequencies probes allowed us also to identify and characterize the involvementof the entheses of the hand in psoriatic arthritis, confirming the results of the experimental models of the disease and the theory of the sinovial-entheseal complex, even in small joints. PMID- 29197922 TI - Three-dimensional ultrasound and HDlive in tubal serous cystadenofibroma: a case report and literature review. AB - Cystadenofibromas of the fallopian tubes are very rare benign tumors and very few cases have been reported in the literature worldwide. Usually, the tumor is asymptomatic, and for almost all cases reported, the tumors were incidentally discovered during surgery for other genital pathology. We report the case of a 30 year-old woman with a serous cystadenofibroma of the fallopian tube, presenting with chronic abdominal pain and secondary infertility. The diagnosis of tubal tumor was formulated before surgery and confirmed during laparoscopic surgery. Both 3D ultrasound and HDlive were useful tools for the diagnosis. The ultrasound diagnosis was helpful in planning appropriate surgical management. PMID- 29197923 TI - A rare case of an acute soleus arcade syndrome complicated by a ganglion cyst: diagnosis by dynamic ultrasound. AB - The soleus arcade syndrome is a rare compression neuropathy of the tibial nerve that often remains undiagnosed due to low clinical awareness and difficult diagnosis. We present the case of a female patient admitted with acute worsening of a pre-existing sensory tibial neuropathy and acute tibial nerve palsy after knee joint injection. After a knee magnetic resonance imaging remained non diagnostic, dynamic ultrasonography was performed. Constriction by the soleus arcade and proximal swelling of the tibial nerve could be demonstrated during plantarflexion of the ankle by means of a dynamic examination in the standing patient. The patient underwent surgery and recovered fully. This proposed diagnostic approach can be used to identify soleus arcade syndrome by ultrasound. PMID- 29197924 TI - Echocardiography as the first diagnostic clue to rapidly progressive systemic AL amyloidosis associated with multiple site thrombosis. A case report. AB - AL-amyloidosis is a rare, but complex disease, with a severe prognosis, cardiac involvement being found in half of the patients. The rapid increase of the LV wall thickness predicts an unfavorable evolution. We report the case of a 63-year old man diagnosed with AL-amyloidosis, with cardiac involvement, associated with multiple site thrombosis. Specific echocardiographic methods like tissue Doppler imaging and speckle tracking provided crucial diagnostic and prognostic information. PMID- 29197925 TI - Imaging and histology in the diagnosis of multiple papillary fibroelastomas in a patient with hypertrophic obstructive cardiomyopathy. Case report. AB - Papillary fibroelastomas (PFEs) are one of the most frequent primary cardiac tumors and occur more often in patients with hypertrophic obstructive cardiomyopathy (HOCM). PFEs have been linked to an increased risk of neurological events. We report a case of a 59-year-old woman with HOCM in whom echocardiography (transthoracic and transesophageal, using 2D and 3D techniques) revealed multiple masses in various locations in the left cardiac chambers. Surgical excision of the cardiac tumors and aortic valve replacement was performed and the pathologic report confirmed the diagnosis of PFEs. Patient followup using ultrasonography is crucial since recurrence is a possibility. Current cardiac ultrasound techniques are essential for diagnosing and for guiding the management of these conditions. PMID- 29197926 TI - Masson's tumor and calcifying aponeurotic fibroma: two rare softtissue lesions in the same finger. High-resolution ultrasound features with histopathological correlations. AB - . PMID- 29197927 TI - A Novel Approach for Ultrasound Guided Axillary Nerve Block: The Inferior Axilla Technique. AB - . PMID- 29197928 TI - Non-fresh formaldehyde-embalmed cadaver: not an eligible model for Ultrasound Guided Sacroiliac Joint Injection studies. AB - N/A. PMID- 29197929 TI - Transdiagnostic Symptom Clusters and Associations With Brain, Behavior, and Daily Function in Mood, Anxiety, and Trauma Disorders. AB - Importance: The symptoms that define mood, anxiety, and trauma disorders are highly overlapping across disorders and heterogeneous within disorders. It is unknown whether coherent subtypes exist that span multiple diagnoses and are expressed functionally (in underlying cognition and brain function) and clinically (in daily function). The identification of cohesive subtypes would help disentangle the symptom overlap in our current diagnoses and serve as a tool for tailoring treatment choices. Objective: To propose and demonstrate 1 approach for identifying subtypes within a transdiagnostic sample. Design, Setting, and Participants: This cross-sectional study analyzed data from the Brain Research and Integrative Neuroscience Network Foundation Database that had been collected at the University of Sydney and University of Adelaide between 2006 and 2010 and replicated at Stanford University between 2013 and 2017. The study included 420 individuals with a primary diagnosis of major depressive disorder (n = 100), panic disorder (n = 53), posttraumatic stress disorder (n = 47), or no disorder (healthy control participants) (n = 220). Data were analyzed between October 2016 and October 2017. Main Outcomes and Measures: We followed a data-driven approach to achieve the primary study outcome of identifying transdiagnostic subtypes. First, machine learning with a hierarchical clustering algorithm was implemented to classify participants based on self-reported negative mood, anxiety, and stress symptoms. Second, the robustness and generalizability of the subtypes were tested in an independent sample. Third, we assessed whether symptom subtypes were expressed at behavioral and physiological levels of functioning. Fourth, we evaluated the clinically meaningful differences in functional capacity of the subtypes. Findings were interpreted relative to a complementary diagnostic frame of reference. Results: Four hundred twenty participants with a mean (SD) age of 39.8 (14.1) years were included in the final analysis; 256 (61.0%) were female. We identified 6 distinct subtypes characterized by tension (n=81; 19%), anxious arousal (n=55; 13%), general anxiety (n=38; 9%), anhedonia (n=29; 7%), melancholia (n=37; 9%), and normative mood (n=180; 43%), and these subtypes were replicated in an independent sample. Subtypes were expressed through differences in cognitive control (F5,383 = 5.13, P < .001, etap2 = 0.063), working memory (F5,401 = 3.29, P = .006, etap2 = 0.039), electroencephalography-recorded beta power in a resting paradigm (F5,357 = 3.84, P = .002, etap2 = 0.051), electroencephalography-recorded beta power in an emotional paradigm (F5,365 = 3.56, P = .004, etap2 = 0.047), social functional capacity (F5,414 = 21.33, P < .001, etap2 = 0.205), and emotional resilience (F5,376 = 15.10, P < .001, etap2 = 0.171). Conclusions and Relevance: These findings offer a data-driven framework for identifying robust subtypes that signify specific, coherent, meaningful associations between symptoms, behavior, brain function, and observable real world function, and that cut across DSM-IV-defined diagnoses of major depressive disorder, panic disorder, and posttraumatic stress disorder. PMID- 29197931 TI - Effects of supervised exercise training on lower-limb cutaneous microvascular reactivity in adults with venous ulcers. AB - PURPOSE: To investigate the effects of a 12-week supervised exercise programme on lower-limb cutaneous microvascular reactivity in adults with venous leg ulceration. METHODS: Thirty-eight adults with unilateral venous ulceration who were being treated with lower-limb compression therapy (58% male; mean age 65 years; median ulcer size 5 cm2) were randomly allocated to exercise or control groups. Exercise participants (n = 18) were invited to attend thrice weekly sessions of lower-limb aerobic and resistance exercise for 12 weeks. Cutaneous microvascular reactivity was assessed in the gaiter region of ulcerated and non ulcerated legs at baseline and 3 months using laser Doppler fluxmetry coupled with iontophoresis of acetylcholine (ACh) and sodium nitroprusside (SNP). Cutaneous vascular conductance (CVC) was calculated as laser Doppler flux (AU)/mean arterial pressure (mmHg). RESULTS: Thirty-seven participants completed follow-up assessments. Median session attendance was 36 (range 2-36). Analyses of covariance revealed greater peak CVC responses to ACh in the exercise group at 3 months in both the ulcerated (adjusted difference = 0.944 AU/mmHg; 95% CI 0.504 1.384) and non-ulcerated (adjusted difference = 0.596 AU/mmHg; 95% CI 0.028 1.164) legs. Peak CVC responses to SNP were also greater in the exercise group at 3 months in the ulcerated leg (adjusted difference = 0.882 AU/mmHg; 95% CI 0.274 1.491), but not the non-ulcerated leg (adjusted difference = 0.392 AU/mmHg; 95% CI - 0.377 to 1.161). CONCLUSION: Supervised exercise training improves lower limb cutaneous microvascular reactivity in adults with venous leg ulceration. PMID- 29197932 TI - Evaluation of the anti-inflammatory effect of an anti-platelet agent crinumin on carrageenan-induced paw oedema and granuloma tissue formation in rats. AB - The present study was designed to explore the anti-inflammatory activity of an anti-platelet agent crinumin, by various in vitro and in vivo inflammation models. Firstly, crinumin protein was purified through cation exchange chromatography; then, in vitro activity was estimated by albumin denaturation assay and HRBC membrane stabilization assay. Carrageenan-induced paw oedema and cotton pellet-induced granuloma models were used for in vivo anti-inflammatory activity assessment in rats. In both models, rats were pre-treated for 7 days with crinumin (25-50 ug/ml) and diclofenac sodium (50 ug/ml). Expression of P selectin (in serum and plasma) through ELISA and NF-kappaB (in paw and granulomatous tissues) through western blotting was checked. Our results showed that crinumin at both doses (25 or 50 ug/kg of b.w.) significantly (p < 0.05) reduced the paw oedema formation in a dose-dependent manner in the second phase of inflammation and significant (p < 0.05) reduction of wet and dry weight of granuloma was observed indicating the anti-inflammatory potential of crinumin. Crinumin decreased the expression of P-selectin and NF-kappaB indicating its potential role in decreasing platelet activation and healing inflammation. Histopathological studies additionally proved the efficacy of drug in treating inflammation. The results of the study suggest that the crinumin might have an inhibitory role in atherosclerosis as platelet aggregation and inflammation are the key processes involved in atherosclerotic disorders. PMID- 29197933 TI - Impact of low-dose steroids on HbA1c levels and development of pre-diabetes and NODAT in non-diabetic renal transplant recipients on long-term follow-up. AB - BACKGROUND: This study aimed to evaluate the impact of 5 mg of prednisolone/day on HbA1c levels and its association with the development of pre-diabetes and new onset diabetes mellitus (NODAT) in non-diabetic first renal transplant recipients on long-term follow-up. METHODS: Four hundred patients were analysed on an average of 4.1 +/- 3.0 years after successful transplantation: 96 (24%) were steroid-free and 304 (76%) treated with 5 mg of prednisolone/day combined with cyclosporine A (CsA) or tacrolimus (Tac) as part of their immunosuppressive protocol. Pre-diabetes and NODAT were defined based on the HbA1c levels according to the current ADA guidelines. The Mann-Whitney U test and the Chi-square test were used to determine intergroup differences. Multivariate logistic regression analyses (adjusted for steroid-free versus 5 mg of prednisolone per day, body mass index (BMI), number of HLA mismatches, eGFR according to the CKD-EPI formula, sex, negative vs. positive PRA titre, CMV and HCV positivity of the recipient, CsA vs. Tac immunosuppressive medication, dialysis vintage (years), age at the last follow-up and time from transplantation to the last follow-up) were performed to identify an independent effect of low-dose steroids on the evolution of pre-diabetes and NODAT. RESULTS: A small but statistically significant difference in HbA1c levels was observed between the control and the steroid groups (5.56 +/- 0.54 vs. 5.67 +/- 0.0.45%, p = 0.045). The incidence rates of pre-diabetes and NODAT per 100 patients per year were 9.3 and 3.0, respectively. Regression analysis showed that low-dose steroids (p = 0.026, risk ratio (RR) 1.789, 95%; confidence interval (CI) 1.007-3.040) and age (p = 0.000, RR 1.037/year, 95% CI 1.018-1.057) were associated with pre-diabetes, whereas BMI (p = 0.000, RR 1.190, 95% CI 1.084-1.307), age (p = 0.000, RR 1.087/year, 95% CI 1.047-1.129) and Tac use (p = 0.010, RR 3.300, 95% CI 1.328-8.196) were associated with NODAT. CONCLUSION: Using 5 mg of prednisolone/day was associated with increased HbA1c levels and an increased risk in developing pre-diabetes, but not NODAT, whereas BMI, age and the use of tacrolimus were associated with an increased risk in developing NODAT. PMID- 29197934 TI - Effects of statin treatment with atorvastatin on urolithiasis-associated urinary metabolic risk factors: an experimental study. AB - PURPOSE: To investigate whether atorvastatin has favorable effects on urinary metabolic risk factors associated with urolithiasis. METHODS: Sixteen male Sprague-Dawley rats were randomly divided into two groups, and baseline spot and 24-h urine samples were collected. Distilled water and atorvastatin were administered to rats during 4 weeks in the control and atorvastatin groups, respectively. At the end of the experimental procedure, spot and 24-h urine samples were collected again. Citrate, oxalate, cystine, uric acid, calcium and magnesium levels were determined in 24-h urine samples. Citrate/creatinine, oxalate/creatinine, uric acid/creatinine, calcium/creatinine and magnesium/creatinine ratios were also calculated in spot urine samples. Comparison of the baseline and post-experimental levels of these parameters was made in each group. RESULTS: The majority of the parameters were similar before and after the experimental procedure in each group. In the atorvastatin group, uric acid and calcium levels were affected. Administration of atorvastatin was significantly decreased the levels of uric acid, whereas increased the levels of calcium (P = 0.025 and P = 0.017, respectively). CONCLUSIONS: Our study revealed that atorvastatin has decreasing effect on UUa levels, whereas increasing effect on UCa levels. We think it cannot certainly be deduced that atorvastatin could be beneficial on overall urinary metabolic risk factors. Contrarily, atorvastatin may lead to an increased risk of calcium stones, but when considering its UUa decreasing effect, it may help in reducing the uric acid stone recurrence. PMID- 29197930 TI - The PPARalpha-dependent rodent liver tumor response is not relevant to humans: addressing misconceptions. AB - A number of industrial chemicals and therapeutic agents cause liver tumors in rats and mice by activating the nuclear receptor peroxisome proliferator activated receptor alpha (PPARalpha). The molecular and cellular events by which PPARalpha activators induce rodent hepatocarcinogenesis have been extensively studied elucidating a number of consistent mechanistic changes linked to the increased incidence of liver neoplasms. The weight of evidence relevant to the hypothesized mode of action (MOA) for PPARalpha activator-induced rodent hepatocarcinogenesis is summarized here. Chemical-specific and mechanistic data support concordance of temporal and dose-response relationships for the key events associated with many PPARalpha activators. The key events (KE) identified in the MOA are PPARalpha activation (KE1), alteration in cell growth pathways (KE2), perturbation of hepatocyte growth and survival (KE3), and selective clonal expansion of preneoplastic foci cells (KE4), which leads to the apical event increases in hepatocellular adenomas and carcinomas (KE5). In addition, a number of concurrent molecular and cellular events have been classified as modulating factors, because they potentially alter the ability of PPARalpha activators to increase rodent liver cancer while not being key events themselves. These modulating factors include increases in oxidative stress and activation of NF-kB. PPARalpha activators are unlikely to induce liver tumors in humans due to biological differences in the response of KEs downstream of PPARalpha activation. This conclusion is based on minimal or no effects observed on cell growth pathways and hepatocellular proliferation in human primary hepatocytes and absence of alteration in growth pathways, hepatocyte proliferation, and tumors in the livers of species (hamsters, guinea pigs and cynomolgus monkeys) that are more appropriate human surrogates than mice and rats at overlapping dose levels. Despite this overwhelming body of evidence and almost universal acceptance of the PPARalpha MOA and lack of human relevance, several reviews have selectively focused on specific studies that, as discussed, contradict the consensus opinion and suggest uncertainty. In the present review, we systematically address these most germane suggested weaknesses of the PPARalpha MOA. PMID- 29197936 TI - Spontaneous irreducible urethral prolapse in a post-menopausal woman: a rare differential diagnosis of an intralabial mass. PMID- 29197935 TI - How to Improve Effectiveness and Adherence to Antihypertensive Drug Therapy: Central Role of Dihydropyridinic Calcium Channel Blockers in Hypertension. AB - Essential hypertension is a complex clinical condition, characterized by multiple and concomitant abnormal activation of different regulatory and contra-regulatory pathophysiological mechanisms, leading to sustained increase of blood pressure (BP) levels. Asymptomatic rise of BP may, indeed, promote development and progression of hypertension-related organ damage, which in turn, increases the risk of major cardiovascular and cerebrovascular events. A progressive and independent relationship has been demonstrated between high BP levels and increased cardiovascular risk, even in the high-to-normal range. Conversely, evidence from randomized controlled clinical trials have independently shown that lowering BP to the recommended targets reduces individual cardiovascular risk, thus improving event-free survival and reducing the incidence of hypertension related cardiovascular events. Despite these benefits, overall rates of BP control remain poor, worldwide. Currently available guidelines support a substantial equivalence amongst various antihypertensive drug classes. However, several studies have also reported clinically relevant differences among antihypertensive drugs, in terms of both BP lowering efficacy and tolerability/safety profile. These differences should be taken into account not only when adopting first-line antihypertensive therapy, but also when titrating or modulating combination therapies, with the aim of achieving effective and sustained BP control. This review will briefly describe evidence supporting the use of dihydropyridinic calcium channel blockers for the clinical management of hypertension, with a particular focus on barnidipine. Indeed, this drug has been demonstrated to be effective, safe and well tolerated in lowering BP levels and in reducing hypertension-related organ damage, thus showing a potential key role for improving the clinical management of hypertension. PMID- 29197937 TI - Parapharyngeal neuroglial heterotopia appearing as high uptake on 18F-FDG PET: case report and literature review of radiographical findings. AB - Parapharyngeal neuroglial heterotopia is a rare entity, and the specific radiographical findings are unclear. We present a case of parapharyngeal neuroglial heterotopia examined with proton magnetic resonance spectroscopy (1H MRS) and 18F-fluorodesoxyglucose positron emission tomography (18F-FDG PET). Our neonate patient presented with neck mass and polyhydramnios during gestation. Computed tomography and magnetic resonance imaging demonstrated the morphological characteristics, but failed to establish the diagnosis. 1H-MRS showed a non malignant pattern, but 18F-FDG PET demonstrated high glucose metabolism. Complete resection was achieved and the histopathological diagnosis was neuroglial heterotopia. Assessment of biological activity may be useful for both preoperative diagnosis and postoperative evaluation of residual lesions. PMID- 29197938 TI - Suppression of wheat TaCDK8/TaWIN1 interaction negatively affects germination of Blumeria graminis f.sp. tritici by interfering with very-long-chain aldehyde biosynthesis. AB - KEY MESSAGE: Wheat TaCDK8 interacts with TaWIN1 to regulate very-long-chain aldehyde biosynthesis required for efficient germination of Blumeria graminis f.sp. tritici. Powdery mildew caused by Blumeria graminis f.sp. tritici (Bgt) is a devastating disease of common wheat (Triticum aestivum L.). Bgt infection initiates with its conidia germination on the aerial surface of wheat. In this study, we isolated the cyclin-dependent kinase 8 (TaCDK8) from wheat cultivar Jing411 and found that silencing of TaCDK8 impeded Bgt germination. The biochemical and molecular-biological assays revealed that TaCDK8 interacts with and phosphorylates the wheat transcription factor wax inducer 1 (TaWIN1) to stimulate the TaWIN1-dependent transcription. Bgt conidia on the leaves of TaWIN1 silenced plants also showed reduced germination. Gas chromatographic analysis revealed that knockdown of TaCDK8 or TaWIN1 resulted in decreases of wax components and cutin monomers in wheat leaves. Moreover, Bgt germination on leaves of TaCDK8 or TaWIN1 silenced plants could be fully restored by application of wild-type cuticular wax. In vitro studies demonstrated that very-long-chain aldehydes absent from the cuticular wax of the TaCDK8 or TaWIN1 silenced plants were capable of chemically stimulating Bgt germination. These results implicated that the suppression of TaCDK8/TaWIN1 interaction negatively affects Bgt germination by interfering with very-long-chain aldehyde biosynthesis required for efficient fungal germination. PMID- 29197939 TI - Postmortem angiography revealing traumatic rupture of the intracranial internal carotid artery. AB - Diagnosis of traumatic subarachnoid hemorrhage (SAH), although relatively rare, is important in forensic medicine. It is mostly associated with rupture of the vertebrobasilar artery. Traumatic aneurysm of the intracranial part of the internal carotid artery (ICA) is also rare but has been reported in several studies. It is thought that the intracranial ICA is injured by blunt force to the head, neck, and chest. However, traumatic SAH with fatal acute course resulting from rupture of the ICA is especially uncommon: only two fatal cases without an associated aneurysm have been reported in the English-language literature. Although detecting the arterial lesion is required to make a precise diagnosis, this is sometimes impossible by macroscopic examination at autopsy or by investigation after formalin-fixation according to the position of the lesion. We report a rare case of fatal traumatic SAH associated with intracranial ICA rupture. Postmortem computed tomography angiography was useful to confirm the lesion. PMID- 29197940 TI - Thymoquinone Augments Cisplatin-Induced Apoptosis on Esophageal Carcinoma Through Mitigating the Activation of JAK2/STAT3 Pathway. AB - BACKGROUND: Thymoquinone (TQ) is the major constituent of Nigella sativa seed and has shown biological activity in various human carcinomas. However, few studies have reported its effect on esophageal carcinoma (EC). AIMS: To explore the chemosensitive effect and mechanism of TQ in augmentation of cisplatin (DDP) induced apoptosis of EC, both in vitro and in vivo. METHODS: The viability and apoptosis of esophageal carcinoma cells were detected by the Cell Counting Kit-8 assay, flow cytometry, and Hoechst 33258 staining. The expression levels of JAK2, p-JAK2, STAT3, p-STAT3, Bax, Bcl-2, Cyclin D1, Survivin, and caspase-3, 7, 9 were evaluated by western blot analysis. The histological changes were examined by TUNEL technique and immunohistochemical analysis. RESULTS: TQ enhanced the proapoptotic effect of DDP in human esophageal carcinoma cell line Eca-109, while blocking the activation of JAK2/STAT3 signaling pathway. The apoptosis of esophageal carcinoma cells was induced via blocking the activation of JAK2/STAT3 by using a molecular inhibitor (WP1066). Consistent with the in vivo and in vitro results, TQ increased cellular apoptosis and enriched the chemosensitivity of DDP. CONCLUSIONS: TQ along with DDP may regulate the progression of EC and has potential to be a chemotherapeutic agent in EC. PMID- 29197941 TI - Heterogeneous functional expression of the sustained inward Na+ current in guinea pig sinoatrial node cells. AB - The sustained inward Na+ current (I st) identified in the sinoatrial node (SAN) cell has been suggested to play a pivotal role in cardiac pacemaking. However, the composition of cells in the SAN is heterogeneous and cell-to-cell variability in the magnitude of I st remains to be fully characterized. The present study investigated the current density of I st in morphologically different types of pacemaker cells dissociated from guinea pig SAN. I st was preferentially detected in spontaneously active spindle or spider-shaped cells, but was less well expressed in larger-sized elongated spindle-type cells and practically absent in clearly striated atrial-like cells, despite clear expression of the funny current (I f). The current density of I st in spindle and spider cells varied from 0.7 to 1.6 pA pF-1 and was significantly reduced in non-beating cells with similar morphologies. By linear regression analysis, we identified a positive correlation between the current densities of I st and the L-type Ca2+ current (I Ca,L), which was specifically observed in spindle and spider cells. These cells exhibited a more negative voltage for half maximal I Ca,L activation than atrial-like cells, suggesting a variable ratio between CaV1.2- and CaV1.3-mediated I Ca,L in SAN cells. Consistent single-cell transcript measurements confirmed a higher relative expression of CaV1.3, which activates at more negative potentials, in spindle cells than in atrial-like cells. Taken together, these results can be interpreted as indicating that I st plays a specific role in primary pacemaker cells and that its presence is closely correlated with functional levels of CaV1.3-mediated I Ca,L. PMID- 29197942 TI - Five-year prevalence of recurrent shoulder dislocation in the entire Polish population. AB - PURPOSE: The aim of this study was to evaluate five-year prevalence of recurrent shoulder dislocation in the entire Polish population. METHODS: The study involved the entire Polish population between 01 January 2010 and 31 December 2014. Demographic data were retrieved from the Central Statistical Office of Poland. Data on the number of shoulder joint dislocations were retrieved from the database of the National Health Fund. RESULTS: We identified 32,253 Polish residents with shoulder instability. About 0.1% of Polish residents suffered from recurrent shoulder dislocation. Males suffered almost two times more often than females (66% and 34%, respectively), and male gender was recognized as a risk factor of instability (OR = 2.07, p <10-10). Females in their eighth decade of life had the highest risk of recurrent shoulder dislocation (OR = 3.33, p <10 10). In males the highest risk of recurrences was noted for the third decade of life (OR = 1.78, p <10-10). CONCLUSION: The period prevalence rate of recurrent shoulder dislocation in Poland is 83.7 per 100,000 persons per five years. The rate of recurrent shoulder dislocation for the general Polish population is 0.1%. Males suffered from recurrent shoulder dislocation almost twice as frequently as females (OR = 2.07). PMID- 29197943 TI - Two-stage revision of infected shoulder arthroplasty using prosthesis of antibiotic-loaded acrylic cement: minimum three-year follow-up. AB - PURPOSE: This study aimed to evaluate the clinical outcomes and persistent infection rate of two-stage revision of infected shoulder arthroplasty. METHODS: We enrolled 12 patients who developed an infection after undergoing shoulder arthroplasty between January 2009 and January 2014. They underwent a two-stage revision with PROSTALAC implantation and shoulder re-implantation in the first- and second-stage surgery, respectively. The mean follow-up period was 40.88 months (range, 36-52 months). After the second-stage re-implantation, clinical scores, erythrocyte sedimentation rate, as well as C-reactive protein level were evaluated, and the presence of re-infection and complications were analyzed. RESULTS: Infection was improved in all the cases after PROSTALAC insertion. The mean range of motion of forward elevation, external rotation, and internal rotation at the final follow-up after the second-stage re-implantation were 81.67 degrees , 40.42 degrees , and 16.67 degrees (vertebral level), respectively. The mean visual analog scale score improved from 7.08 points before surgery to 2.33 points after surgery. The Modified American Shoulder and Elbow Surgeons score improved from 32.25 before surgery to 64.17 after surgery (P < 0.05). The Constant shoulder score also improved from 30.92 before surgery to 66.08 after surgery (P < 0.05). Infection had not recurred until the final follow-up. However, dislocation and separation of components were found in two patients who needed a structural allograft because of segmental bone defects. CONCLUSION: Using PROSTALAC in two-stage revision arthroplasty is effective for infection control and produced good clinical outcomes after second-stage shoulder re implantation. However, cases involving segmental bone defects require additional precautions in maintaining the appropriate tension and height to prevent complications. PMID- 29197944 TI - Experience of Symptoms and Disease Impact in Patients with Adenomyosis. AB - BACKGROUND: Adenomyosis is a poorly understood, benign disease of the uterus. OBJECTIVE: In this study, patient interviews were conducted to characterize the symptoms and impact of adenomyosis. METHODS: This was a cross-sectional study in which women with adenomyosis were recruited from five US clinics and a health related social network forum. Participants (aged 18-55 years) were pre-menopausal with a history of regular menstrual cycles. Participants were interviewed about their experiences with adenomyosis, symptoms and impacts on day-to-day activities (concept elicitation), and subsequently about the occurrence, relative severity, and impact of symptoms (card-sorting exercise). RESULTS: In total, 31 women were interviewed. Mean duration since onset of first adenomyosis symptom was 5.7 years; 41.9% reported severe/very severe adenomyosis. Over 50 symptoms and 30 impacts of adenomyosis were reported in the concept elicitation; 87% of symptoms were reported after 7 interviews and 78% of impacts after 5 interviews, indicating a condition with a significant symptom burden and a consistent presentation. The most common symptoms were heavy menstrual bleeding (87%), cramps (84%), and blood clots during menstrual bleeding (84%). The most common impacts were burdensome self-care hygiene (71%), and fatigue/low energy (71%). In the card-sorting exercise, the most commonly endorsed symptoms were pain during menstruation/menstrual cramps and heavy menstrual bleeding (both frequently rated as severe). The symptom with the highest impact was heavy menstrual bleeding. CONCLUSION: Initiatives to understand women's experiences with adenomyosis may improve management of the condition. This study provides a first step in understanding their experience and new information on the symptom profile of adenomyosis. PMID- 29197945 TI - Spontaneous expulsive suprachoroidal haemorrhage in an asymptomatic elderly patient: a case report. AB - PURPOSE: To describe a rare case of spontaneous expulsive suprachoroidal haemorrhage (SESCH) in an asymptomatic elderly patient. METHOD: This is a case report of a 76-year-old Chinese female, presented as an emergency with spontaneous left eye bleeding. She had underlying uncontrolled hypertension, no other systemic illness and not on anticoagulant. She has a history of right eye cataract operation, right eye angle-closure glaucoma and left eye absolute glaucoma complicated with painless left blind eye. Ocular examination over left eye showed no light perception and demonstrated presence of fresh bleed, expulsion of lens and prolapsed uveal contents, while right eye examination was unremarkable. Patient subsequently underwent evisceration and was uneventful. RESULTS: Routine blood investigations including coagulation profile came back as normal. Surgical findings include perforated cornea more than three-fourths with prolapsed uveal contents and fragile conjunctiva. No other significant macroscopic conditions were noted. Histology and culture came back with growth of Pseudomonas aeuroginosa with no evidence of malignancy. DISCUSSION: SESCH is a rare but serious sight-threatening ocular condition associated with multiple risk factors including arteriosclerosis, vascular disease, glaucoma, diabetes, intraocular malignancy and diseased eye wall. The predisposing factors involved in this case include advanced age, glaucoma with persistent high intraocular pressure, uncontrolled hypertension and presence of infection. PMID- 29197946 TI - First large genomic inversion in familial cerebral cavernous malformation identified by whole genome sequencing. AB - Familial cerebral cavernous malformations (CCMs) predispose to seizures and hemorrhagic stroke. Molecular genetic analyses of CCM1, CCM2, and CCM3 result in a mutation detection rate of up to 98%. However, only whole genome sequencing (WGS) in combination with the Manta algorithm for analyses of structural variants revealed a heterozygous 24 kB inversion including exon 1 of CCM2 in a 12-year-old boy with familial CCMs. Its breakpoints were fine-mapped, and quantitative analysis on RNA confirmed reduced CCM2 expression. Our data expand the spectrum of CCM mutations and indicate that the existence of a fourth CCM disease gene is rather unlikely. PMID- 29197947 TI - Effects of a dialectical behavior therapy-based skills group intervention for obese individuals: a Brazilian pilot study. AB - PURPOSE: This pilot study aimed to analyze the effects of an adapted dialectical behavior therapy (DBT) skills training group on problematic and adaptive eating behaviors in Brazilian obese individuals. METHODS: Thirty-one obese individuals were randomly assigned to 10 sessions of adapted DBT skills training (n = 14) or two months of a waiting list comparison condition (n = 17). RESULTS: Attrition rates were similar to what's been found in comparable studies, with most dropouts happening at the beginning of the treatment. Results showed improvements in binge eating severity (d = 0.80) and depression (d = 0.82) compared to no treatment condition. After the intervention, adaptive eating and distress outcomes showed an improvement trend, reaching nonclinical levels for most participants in the intervention group. Large to moderate between-group effect sizes were observed, but none of those were statistically significant. Large within-group effect sizes were observed in the intervention group in binge eating severity (d = 1.34), intuitive eating (d = 1.33) and depression (d = 1.12). Medium effect sizes were observed in emotional eating (d = 0.73) and in emotion regulation (d = 0.72). Despite positive outcomes in other variables, mindful eating worsened after the intervention (d = 0.66). CONCLUSIONS: These results are preliminary and require further replications with larger samples, yet they suggest that the intervention may be useful to improve distress outcomes and adaptive eating among obese people. Implications for clinical practice and recommendations for future research are discussed. LEVEL OF EVIDENCE: Level I, randomized controlled trial. PMID- 29197948 TI - Injury potential of thrown sharp kitchen and household utensils. AB - We examined the possibility of inflicting serious injuries with sharp objects in an experimental setting by throwing four sharp objects from different distances and with different throwing techniques. Using an overarm-handle (OA/H), overarm blade (OA/B), underarm-handle (UA/H), underarm-blade (UA/B) and thrust (T/H) throwing technique, 10 adults (sex ratio 1:1) threw a chef's knife, a skinning knife, a paring knife and office scissors from 4 m and 2 m distance at synthetic abdomen models made of 10% gelatin covered with synthetic skin. The amount of hits and penetrations of the target and their penetration depth were noted, as was the rotation of the blade tip towards the target along its flight trajectory. The chef's knife injury/hit ratio was 0.167/4 m and 0.160/2 m; the skinning knife recorded an injury/hit ratio of 0.087/4 m and 0.153/2 m; the paring knife of 0.087/4 m and 0.113/2 m; and the scissors 0.087/4 m and 0.067/2 m. Mean penetration depths were as follows: the chef's knife: 4 m, 4.42 cm, 2 m, 3.41 cm; the skinning knife: 4 m, 4.19 cm, 2 m, 4.11 cm; the paring knife: 4 m, 1.62 cm, 2 m, 1.55 cm; and the scissors: 4 m, 2.08 cm, 2 m, 0.95 cm. Handle-throw penetration-depths were: 4 m: 3.77 cm and 2 m: 2.86 cm; blade-throw depths were: 4 m: 3.14 cm and 2 m: 2.69 cm. Overarm-throw penetration-depths were: 4 m: 3.62 cm and 2 m: 3.25 cm; and underarm-throw penetration-depths were 4 m: 3.30 cm and 2 m: 2.30 cm. No thrust-throws with the paring knife and scissors could pierce the target. The tips pointed toward the target at angles of 60 degrees -120 degrees , earlier in handle-throws than blade-throws, especially with the paring knife and the scissors. When thrown, especially with a handle-held technique, heavier objects pierced more often and more deeply. Thrust-throws at short distances are unlikely to pierce a human. PMID- 29197949 TI - A heart of stone: an autopsy case of massive myocardial calcification. AB - A case of massive calcification of the myocardium is presented that was diagnosed by postmortem computed tomography (PMCT) and confirmed by conventional autopsy. There are two types of pathologic calcification, dystrophic and metastatic. Massive calcification of the myocardium is associated with variable clinical outcomes, including sudden unexpected death. A 53-year-old man was found after he collapsed beside a walkway. He was transferred to hospital and died approximately two months later. To investigate the cause of death, PMCT and conventional autopsy were performed, which revealed massive calcification of the myocardium, a very rare finding at autopsy. Massive myocardial calcification was one of the possible causes of his collapse. PMCT may be a useful diagnostic tool for detecting massive calcification of the myocardium following sudden cardiac death. PMID- 29197950 TI - The P-type ATPase CtpG preferentially transports Cd2+ across the Mycobacterium tuberculosis plasma membrane. AB - P1B-type ATPases are involved in heavy metal transport across the plasma membrane. Some Mycobacterium tuberculosis P-type ATPases are induced during infection, suggesting that this type of transporter could play a critical role in mycobacterial survival. To date, the ion specificity of M. tuberculosis heavy metal-transporting P1B-ATPases is not well understood. In this work, we observed that, although divalent heavy metal cations such as Cu2+, Co2+, Ni2+, Zn2+ Cd2+ and Pb2+ stimulate the ATPase activity of the putative P1B-type ATPase CtpG in the plasma membrane, whole cells of M. smegmatis expressing CtpG only tolerate high levels of Cd2+ and Cu2+. As indicator of the catalytic constant, Michaelis Menten kinetics showed that CtpG embedded in the mycobacterial cell membrane has a V max/K m ratio 7.4-fold higher for Cd2+ than for Cu2+ ions. Thus, although CtpG can accept different substrates in vitro, this P-type ATPase transports Cd2+ more efficiently than other heavy metal cations across the mycobacterial plasma membrane. PMID- 29197951 TI - Epibiont growth on filamentous bacteria found in activated sludge: a morphological approach. AB - Occurrence of epibiont attachment on filamentous bacteria is a common phenomenon in activated sludge. In this study, an attempt has been made to elucidate the intrinsic nature of the attachment between the epibionts and filamentous bacteria based on microscopic observations. Characterization of the epiflora based on fluorescence in situ hybridization using group level probes revealed that the epibionts colonizing these filamentous bacteria largely belongs to the class Alphaproteobacteria, followed by Beta and Gammaproteobacteria. The ultrastructural examination using transmission electron microscopy pointed to the existence of a possible cell-to-cell interaction between epibionts and the selected filaments. Common bacterial appendages such as pili and fimbria were absent at the interface and further noted was the presence of cell membrane extensions on epibiont bacteria protruding towards the targeted filamentous cell. Fibrillar structures resembling amyloid-like proteins were observed within the filament cells targeted by the epibionts. An interaction was apparent between amyloid such as proteins and epibionts with regards to the direction of fibrillar structures and the distance of approaching epibiont bacteria. Due to the lack of visual evidence in support of penetration, the role of these amyloid-like fibrils as potential attachment sites for the epibionts was taken into consideration, and required further validation using conformational antibodies. PMID- 29197952 TI - First identification of L. major in a dog in an endemic area of human cutaneous leishmaniasis in Iraq: molecular and phylogenetic studies. AB - Canine leishmaniasis (CanL) caused by Leishmania infantum (L. infantum) is considered as a zoonotic disease and within the last few decades, studies have identified the parasite as a major causative agent of human visceral leishmaniasis. However, in dogs, few recent studies have determined L. major as a cause of cutaneous manifestations and L. tropica as an etiological agent for cutaneous lesions involving mucosa. Interestingly, current study has found canine cutaneous lesions with mucosal involvement in a dog diagnosed with L. major, for the first time, in a focused area of human cutaneous leishmaniasis (CL) in the borderline between northern and central Iraq. Both molecular and phylogenetic studies showed that the dog L. major strain is closely related to that previously isolated from human CL in the same area. Moreover, serological study using rK39 identified IgG response against Leishmania, and the histological finding revealed the infiltration of inflammatory cells around the infection sites. These data will broaden our knowledge about CanL concerning the appearance of cutaneous clinical manifestations with mucocutaneous lesions caused by L. major. Further study on other animal reservoirs and vectors will shed the light on the epidemiology of this disease. PMID- 29197953 TI - Prolonged use of alendronate alters the biology of cranial repair in estrogen deficient rats' associated simultaneous immunohistochemical expression of TGF beta1+, alpha-ER+, and BMPR1B. AB - OBJECTIVES: TGF-beta1 is a cytokine that may induce both osteoneogenesis through Runx-2 or fibrosis via the transcription of alpha-smooth muscle actin (alpha SMA). Because it has been previously known that alendronate increases the level of TGF-beta1 and that under the usual condition of bone metabolism the estrogen may prevent the fibrotic effect of TGF-beta1, the aim of this study was to evaluate if alendronate alters the cellular differentiation process post calvarial surgery in estrogen-deficient specimens. MATERIALS AND METHODS: A transosseous defect that was 5 mm in diameter was created on the calvarium of each of 32 female rats with previous ovarian-salpingo-oophorectomy. All defects were treated with autografts, and 16 rats received the administration of 1 mg/kg of alendronate three times a week until euthanasia on the 15th and 60th day post surgery. Histomorphometric and immunohistochemical analyses of the expression of TGF-beta1, estrogen receptor alpha nuclear (alpha-ER), alpha-SMA, BMPR1B, and Runx-2 were performed, and ELISA was used to measure the level of estrogen. RESULTS: All animals demonstrated low levels of estrogen post ovarian-salpingo oophorectomy. The histological results demonstrated larger bone matrix deposition in specimens treated with alendronate on the 15th day post surgery. The result was associated with a higher co-expression of TGF-beta1, BMPR1B, and Runx-2 when compared with the control group. In addition, on the 60th day post surgery, the increase of bone matrix deposition from 15th to 60th day was discrete in specimens treated with alendronate compared with the control group. This result coincided with the intense simultaneous expression of TGF-beta1, alpha-ER, and alpha-SMA, whereas the expression of BMPR1B and Runx-2 decreased. CONCLUSION: The prolonged administration of alendronate altered the cranial repair in ovarian salpingo-oophorectomized specimens due to the simultaneous occurrence of low estrogen and the presence of TGF-beta1+/alpha-ER+ inducing the presence of alpha SMA+, whereas BMPR1B and Runx-2 were suppressed. CLINICAL RELEVANCE: The prolonged administration of alendronate alters osteoneogenesis and induces an unusual microenvironment in the bone that seems to imitate the physiological tissue damage that culminates in the loss of the functional layer of endometrium. PMID- 29197954 TI - A Latent Class Analysis of Gambling Activity Patterns in a Canadian University Sample of Emerging Adults: Socio-demographic, Motivational, and Mental Health Correlates. AB - This analysis of gambling habits of Canadian university students (ages 18-25) dovetails two recent developments in the field of gambling studies. First, the popularity of latent class analysis to identify heterogeneous classes of gambling patterns in different populations; second, the validation of the Gambling Motives Questionnaire (with financial motives) among university students-specifically to understand both how and why emerging adults gamble. Our results support a four class model of gambling activity patterns, consisting of female-preponderant casual and chance-based gambling groups, and male-preponderant skill-based and extensive gambling groups. Each class shows a specific combination of motives, underscoring the necessity for nuanced responses to problem gambling among emerging adults. More specifically, gambling for the skill-based group appears primarily to be a source of thrill and a way to cope; for the chance-based group, gambling appears but one symptom of a set of wider issues involving depression, anxiety, substance use, and low self-esteem; while extensive gamblers seem to seek excitement, sociality, and coping, in that order. Only the chance-based group was significantly more likely than casual gamblers to be motivated by financial reasons. Situating our analysis in the literature, we suggest that interventions for the predominantly male subtypes should address gambling directly (e.g. re-focusing excitement seeking into other activities, instilling more productive coping mechanisms) while interventions for predominantly female subtypes should address low self-esteem in conjunction with depression, substance abuse, and problematic levels of gambling. We conclude future research should focus on links between self-esteem, depression, substance abuse, and financial motives for gambling among female emerging adults. PMID- 29197955 TI - Effect of supplementation of indigenous browse tree pods on weight gain and carcass parameters of Abergelle rams. AB - The objective of the study was to evaluate the effect of supplementation of indigenous browse tree pods on nutrient intake, digestibility, weight gain, and carcass parameters of local Abergelle rams fed grass hay as a basal diet. This experiment was conducted at the Abergelle Agricultural Research Center farm in Tigray region, northern Ethiopia. Experimental rams were grouped according to their initial body weight (17.4 +/- 0.95 kg) in a randomized complete block design into three treatments and six replications. Treatments consisted of feeding grass hay free of choice supplemented with pods of either Acacia tortilis (T1), Faidherbia albida (T2), or Dichrostachys cinerea (T3) fed at the rate of 10 g kg-1 body weight daily. The crude protein (CP) contents of the supplemental feeds in T1, T2, and T3 were 167, 156, and 135 g kg-1 dry matter (DM), respectively. The CP intake was significantly higher (P < 0.05) in T1 and T2 than that in T3. No statistical difference (P > 0.05) was observed in the digestibilities of DM and CP. Final body weight, average daily gain, slaughter weight (SW), hot carcass weight, and ribeye area were not significantly different (P > 0.05) among the treatments. However, dressing percentage based on SW in T1 and T2 was significantly higher (P < 0.05) than that in T3. Therefore, from this research, it can be concluded that though the weight gains and carcass weights of experimental rams were not as such remarkable among the treatments, efficient utilization of locally available and cheap browse tree pods as alternative protein supplements to Abergelle sheep during the dry season could be important to small holder farmers. PMID- 29197956 TI - Comparative Effects of Biochar, Slag and Ferrous-Mn Ore on Lead and Cadmium Immobilization in Soil. AB - A variety of remediation approaches have been applied to the heavy metals contaminated soils, however, the immobilization of metals in co-contaminated soils still not cleared. Therefore, an incubation study was conducted to evaluate the instantaneous effects of different concentrations of biochar (BC), slag (SL) and Fe-Mn ore (FMO) on immobilization of Pb and Cd through the Toxicity Characteristic Leaching Procedure (TCLP) by following the the European Community Bureau of Reference (BCR), CaCl2 and NH4NO3. The sequential extraction of BCR showed decrease in acid soluble fractions, while the residual proportions of Pb and Cd were enhanced with increasing concentrations of SL and BC. Addition of BC significantly lowered the extractable fractions of both metals by TCLP, NH4NO3 and CaCl2 as compared to SL and FMO. Among all amendments, BC incorporation into co-contaminated soil offered promising results for Pb and Cd immobilization. Overall, all amendments showed positive and long-term impact on the reclamation of co-contaminated soil with heavy metals and could deserve advance monitoring studies on a field scale. PMID- 29197957 TI - Magnetic resonance imaging follow-up of chondroid tumors: regression vs. progression. AB - OBJECTIVE: To present magnetic resonance imaging (MRI) evidence of the regression or progression of chondroid tumors and to investigate whether MRI can be used to predict the evolution of chondroid tumors. MATERIALS AND METHODS: Twenty-one patients with enchondromas or atypical cartilaginous tumors who had undergone extremity MRI at least twice with a minimum 12-month interval between the MRIs were enrolled in this study. The diagnosis was based on the radiography and MRI findings. We classified the tumors into the following three groups according to changes between the MRIs: no change (NC), progression (P), and regression (R). We assessed the initial MRI features, including anatomical location, size, endosteal scalloping, peritumoral edema, fat entrapment, and direction of progression or regression. Nineteen of the 21 patients had contrast-enhanced images, and we analyzed the presence of atypical lobular enhancement against typical peripheral or septal enhancement. RESULTS: The R group comprised 11 cases (52%), the P group comprised five cases (24%), and the NC group comprised five cases (24%). None of the MRI features showed statistically significant differences among the groups. Atypical lobular enhancement was observed in the R (6 of 10, 60%) and NC (2 of 5, 40%) groups but not in the P group (0 of 4, 0%), although these differences were not statistically significant. CONCLUSIONS: Chondroid tumors can either regress or progress in the MRI follow-up. Atypical lobular enhancement was seen only in stable or regressing tumors. PMID- 29197959 TI - Fractures frequently occur in older cancer patients: the MD Anderson Cancer Center experience. AB - PURPOSE AND INTRODUCTION: A growing number of cancer patients are older adults aged 65 years and older. Patients with cancer are at increased risk for developing osteoporosis, falls, and fractures. We sought to identify the incidence of fractures in older adults who underwent cancer care between January 2013 and December 2015. METHODS: A comprehensive geriatric assessment was performed, and bone densitometry was measured at baseline, with a 2-year follow up. RESULTS: In this study, among 304 patients with gastrointestinal, urologic, breast, lung, and gynecologic cancers we evaluated, and who completed the bone density testing (n = 199), 80% had osteoporosis or low bone mass (osteopenia). There was a higher prevalence of osteoporosis in cancer patients (40 vs. 16%, p = 0.05) than in population studies. Vitamin D insufficiency (< 30 ng/ml) was identified in 49% of tested cases (n = 245). Risk factors for low bone mass or osteoporosis were advanced age (p = 0.05), malnutrition (p = 0.04), and frailty (p = 0.01). Over the following 2 years (median follow-up 18 months), there was an incidence of fractures of 110 per 1000 person-years, or 2.8 times higher than reported in individuals without cancer. Risk factors for fractures included advanced age (70-79 vs. 60-69 years, p = 0.05) and frailty (p = 0.03). CONCLUSION: Most older cancer patients studied have osteoporosis or low bone mass, resulting in an almost 3-fold increase in fracture risk as compared to epidemiologic studies. Bone health issues are commonly seen in older cancer patients, we recommend universal bone density testing. The initiation of antiresorptive treatment when findings are of osteopenia or osteoporosis will reduce the risk of fractures. PMID- 29197958 TI - Immunohaemostasis: a new view on haemostasis during sepsis. AB - Host infection by a micro-organism triggers systemic inflammation, innate immunity and complement pathways, but also haemostasis activation. The role of thrombin and fibrin generation in host defence is now recognised, and thrombin has become a partner for survival, while it was seen only as one of the "principal suspects" of multiple organ failure and death during septic shock. This review is first focused on pathophysiology. The role of contact activation system, polyphosphates and neutrophil extracellular traps has emerged, offering new potential therapeutic targets. Interestingly, newly recognised host defence peptides (HDPs), derived from thrombin and other "coagulation" factors, are potent inhibitors of bacterial growth. Inhibition of thrombin generation could promote bacterial growth, while HDPs could become novel therapeutic agents against pathogens when resistance to conventional therapies grows. In a second part, we focused on sepsis-induced coagulopathy diagnostic challenge and stratification from "adaptive" haemostasis to "noxious" disseminated intravascular coagulation (DIC) either thrombotic or haemorrhagic. Besides usual coagulation tests, we discussed cellular haemostasis assessment including neutrophil, platelet and endothelial cell activation. Then, we examined therapeutic opportunities to prevent or to reduce "excess" thrombin generation, while preserving "adaptive" haemostasis. The fail of international randomised trials involving anticoagulants during septic shock may modify the hypothesis considering the end of haemostasis as a target to improve survival. On the one hand, patients at low risk of mortality may not be treated to preserve "immunothrombosis" as a defence when, on the other hand, patients at high risk with patent excess thrombin and fibrin generation could benefit from available (antithrombin, soluble thrombomodulin) or ongoing (FXI and FXII inhibitors) therapies. We propose to better assess coagulation response during infection by an improved knowledge of pathophysiology and systematic testing including determination of DIC scores. This is one of the clues to allocate the right treatment for the right patient at the right moment. PMID- 29197960 TI - Sarcopenia during neoadjuvant therapy for oesophageal cancer: characterising the impact on muscle strength and physical performance. AB - PURPOSE: Preoperative chemo(radio)therapy for oesophageal cancer (OC) may have an attritional impact on body composition and functional status, impacting postoperative outcome. Physical decline with skeletal muscle loss has not been previously characterised in OC and may be amenable to physical rehabilitation. This study characterises skeletal muscle mass and physical performance from diagnosis to post-neoadjuvant therapy in patients undergoing preoperative chemo(radio)therapy for OC. METHODS: Measures of body composition (axial computerised tomography), muscle strength (handgrip), functional capacity (walking distance), anthropometry (weight, height and waist circumference), physical activity, quality-of-life and nutritional status were captured prospectively. Sarcopenia status was defined as pre-sarcopenic (low muscle mass only), sarcopenic (low muscle mass and low muscle strength or function) or severely sarcopenic (low muscle mass and low muscle strength and low muscle function). RESULTS: Twenty-eight participants were studied at both time points (mean age 62.86 +/- 8.18 years, n = 23 male). Lean body mass reduced by 4.9 (95% confidence interval 3.2 to 6.7) kg and mean grip strength reduced by 4.3 (2.5 to 6.1) kg from pre- to post-neoadjuvant therapy. Quality-of-life scores capturing gastrointestinal symptoms improved. Measures of anthropometry, walking distance, physical activity and nutritional status did not change. There was an increase in sarcopenic status from diagnosis (pre-sarcopenic n = 2) to post-treatment (pre sarcopenic n = 5, severely sarcopenic n = 1). CONCLUSIONS: Despite maintenance of body weight, functional capacity and activity habits, participants experience declines in muscle mass and strength. Interventions involving exercise and/or nutritional support to build muscle mass and strength during preoperative therapy, even in patients who are functioning normally, are warranted. PMID- 29197961 TI - Burden of oral mucositis in stem cell transplant patients-the patients' perspective. AB - PURPOSE: Purpose of this study was to determine the impact of Oral Mucositis (OM) on health-related quality of life (HRQoL) and quality of life associated symptoms and functions in patients undergoing hematopoietic stem cell transplantation (HSCT). METHODS: Prospective, non-interventional single-center observational study at a German tertiary teaching hospital. Inpatient allogenic and autologous stem cell transplant patients >=18-year-old with high-dose chemotherapy. OM was assessed with the WHO Oral Toxicity Scale, pain according to the Numeric Rating Scale (NRS) and the performance status using the ECOG Score. QOL was captured with the EORTC QLQ-C30 and the QLQ-OH15 questionnaires. RESULTS: Forty-five stem cell transplant patients (20 autologous, 25 allogenic) were enrolled between August 2016 and February 2017. Twenty-six (58%, 95% CI: 42% - 72%) patients developed OM (10 grade I, 4 grade II, 8 grade III, 4 grade IV). OM affected patients suffered more from pain, sore mouth and sensitive mouth. A lower physical functioning (34.5 vs 7.5, p = 0.003) and a lower oral health-related quality of life (24.3 vs 7.7, p = 0.006) was found in patients with OM development. There was found a positive correlation between the grade of OM and the NRS-value (r = 0.93, 95% CI: 0.89-0.96, p < 0.001). CONCLUSION: OM is associated with health-related quality of life and quality of life associated functions and symptoms. More research should be performed to find ways to prevent OM and to stabilize patients' quality of life during HSCT. PMID- 29197962 TI - Structure-based pharmacophore design and virtual screening for novel potential inhibitors of epidermal growth factor receptor as an approach to breast cancer chemotherapy. AB - Cancer cells are described with features of uncontrolled growth, invasion and metastasis. The epidermal growth factor receptor subfamily of tyrosine kinases (EGFR-TK) plays a crucial regulatory role in the control of cellular proliferation and progression of various cancers. Therefore, its inhibition might lead to the discovery of a new generation of anticancer drugs. In the present study, structure-based pharmacophore modeling, molecular docking and molecular dynamics simulations were applied to identify potential hits, which exhibited good inhibition on the proliferation of MCF-7 breast cancer cell line and favorable binding interactions on EGFR-TK. Selected compounds were examined for their anticancer activity against the Michigan Cancer Foundation-7 (MCF-7) breast cancer cell line which overexpresses EGFR using the MTT (3-(4,5-dimethylthiazol-2 yl)-2,5-diphenyltetrazolium bromide) tetrazolium reduction assay. Compounds 1 and 2, with an isoindoline-1-one core, induced significant inhibition of breast cancer cells proliferation with IC[Formula: see text] values 327 and 370 nM, respectively. PMID- 29197963 TI - Synthesis and biological evaluation of imidazo[1,2-[Formula: see text]]pyridazines as inhibitors of TNF-[Formula: see text] production. AB - Tumor necrosis factor-alpha (TNF-[Formula: see text] is an important pro inflammatory cytokine responsible for a diverse range of inflammatory diseases including rheumatoid arthritis. In the present manuscript, our medicinal chemistry efforts on the design, synthesis and TNF-[Formula: see text] evaluation of a series of 3, 6-disubstituted imidazo[1,2-b]pyridazine is described. The best compounds were 3-pyridyl and (4-(methylsulfonyl)phenyl) analogs 8q and 8w, showing inhibition of TNF-[Formula: see text] production with IC[Formula: see text]values of 0.9 and 0.4 [Formula: see text]M, respectively. The identified leads have potential for further development for treatment of inflammatory diseases. PMID- 29197964 TI - Cognitive assessment of older adults in general practice: the collateral history. AB - BACKGROUND: The collateral (or informant) history is a key component in the assessment of older adults presenting with a memory problem or concern over cognition. Despite this, it rarely features in medical literature and academic curricula. Its role in general practice has never been assessed. AIMS: The aim of this study is to assess the role of the collateral history in the investigation of cognitive impairment in general practice. METHODS: An online survey distributed to three nationally representative cohorts of GPs in Ireland (n = 692). RESULTS: Ninety-five (14%; 52.2% male) responded. Nearly all (87%; 83/95) indicate that it is most often a family member who brings possible cognitive impairment to the attention of their GP. The vast majority obtain a collateral history in > 90% of cases (72.6%; 69/95) and rate it very useful in their clinical assessment of cognition. GPs report the collateral history as readily available and rarely refused, with the general practice environment well-suited to obtaining collateral histories. A small minority routinely use the GPCOG informant section (3.2%; 3/95). Nearly all (92.6%; 88/95) report having received no training in obtaining collateral histories with most (79%; 75/95) welcoming of further training in this area. CONCLUSIONS: Despite recognition of the utility and importance of the collateral history, the vast majority of GPs report having never received training in obtaining one and do not use structured tools to guide their interview. Further emphasis on the informant history as a distinct clinical entity on medical curricula and increasing emphasis on the availability of structured informant tools are warranted. PMID- 29197965 TI - Progress of statistical analysis in biomedical research through the historical review of the development of the Framingham score. AB - BACKGROUND: The interest in developing risk models in medicine not only is appealing, but also associated with many obstacles in different aspects of predictive model development. Initially, the association of biomarkers or the association of more markers with the specific outcome was proven by statistical significance, but novel and demanding questions required the development of new and more complex statistical techniques. METHODS: Progress of statistical analysis in biomedical research can be observed the best through the history of the Framingham study and development of the Framingham score. RESULTS: Evaluation of predictive models comes from a combination of the facts which are results of several metrics. Using logistic regression and Cox proportional hazards regression analysis, the calibration test, and the ROC curve analysis should be mandatory and eliminatory, and the central place should be taken by some new statistical techniques. In order to obtain complete information related to the new marker in the model, recently, there is a recommendation to use the reclassification tables by calculating the net reclassification index and the integrated discrimination improvement. Decision curve analysis is a novel method for evaluating the clinical usefulness of a predictive model. It may be noted that customizing and fine-tuning of the Framingham risk score initiated the development of statistical analysis. CONCLUSION: Clinically applicable predictive model should be a trade-off between all abovementioned statistical metrics, a trade-off between calibration and discrimination, accuracy and decision-making, costs and benefits, and quality and quantity of patient's life. PMID- 29197966 TI - Aetiological profile and treatment outcomes of epistaxis at a major teaching hospital: a review of 721 cases. AB - BACKGROUND: Epistaxis is the most prevalent ENT emergency and a significant burden on ENT services. Our objective was to study the incidence and outcomes of patients presenting with epistaxis at a major teaching hospital. METHODS: A retrospective descriptive study of 721 patients, who presented with epistaxis over a 1-year period, was carried out. Data collected was analysed using SPSS software version 20. RESULTS: Of the 721 patients, initial treatment consisted of nasal cautery (298), nasal packing (200), or no treatment (223). Fifty-nine patients were admitted. The mean age of admitted patients was 66.8 years and the male to female ratio was 2:1. 69.5% had hypertension and 78% used an antiplatelet/anticoagulation medication. The majority of admitted and return patients were out of hours referrals from ED and the mean admission duration was five nights. Surgical treatment for intractable epistaxis included arterial ligation or endovascular embolisation. Successful treatment was defined as no recurrent epistaxis following pack removal or no readmission with epistaxis within 24 h of hospital discharge. Six hundred forty-four patients had successful treatment. CONCLUSION: More return and admitted patients presented at out-of hours times with less clinical staff on site. Most non-admitted patients received no treatment. These factors possibly lead to increased stress on the ENT casualty service. Cautery and nasal packing are the most common treatment modalities in first-time and admitted patients yet result in considerable rates of representation. PMID- 29197967 TI - Effects of nutraceuticals on anaplastic thyroid cancer cells. AB - PURPOSE: The anaplastic thyroid carcinoma (ATC) is the most aggressive thyroid cancer with a high mortality rate. Since nutraceuticals may exert beneficial effects on tumor biology, here, effects of four of these compounds [resveratrol, genistein, curcumin and epigallocatechin-3-gallate (EGCG)] on ATC cell lines were investigated. METHODS: Two ATC-derived cell lines were used: SW1736 and 8505C. Cell viability and in vitro aggressiveness was tested by MTT and soft agar assays. Apoptosis was investigated by Western Blot, using an anti-cleaved-PARP antibody. mRNA and miRNA levels were quantified by real-time PCR. RESULTS: All tested nutraceuticals caused in both cell lines decrease of cell viability and increase of apoptosis. In contrast, only curcumin reduced in vitro aggressiveness in both SW1736 and 8505C cell lines, while genistein and EGCG determined a reduction of colony formation only in 8505C cells. Effects on genes related to the thyroid-differentiated phenotype were also tested: resveratrol and genistein administration determined the increment of almost all tested mRNAs in both cell lines. Instead curcumin and EGCG treatments had opposite effects in the two cell lines, causing the increment of almost all the mRNAs in 8505C cells and their reduction in SW1736. Finally, effects of nutraceuticals on levels of several miRNAs, known as important in thyroid cancer progression (hsa-miR-221, hsa-miR 222, hsa-miR-21, hsa-miR-146b, hsa-miR-204), were tested. Curcumin induced a strong and significant reduction of all miR analyzed, except for has-miR-204, in both cell lines. CONCLUSIONS: Altogether, our results clearly indicate the anti cancer proprieties of curcumin, suggesting the promising use of this nutraceutical in ATC treatment. Resveratrol, genistein and EGCG have heterogeneous effects on molecular features of ATC cells. PMID- 29197968 TI - Thulium-yttrium-aluminium-garnet (Tm:YAG) laser treatment of penile cancer: oncological results, functional outcomes, and quality of life. AB - PURPOSE: To evaluate the oncological and functional outcomes of patients diagnosed with penile cancer undergoing conservative treatment through thulium yttrium-aluminium-garnet (Tm:YAG) laser ablation. METHODS: Twenty-six patients with a penile lesion underwent ablation with a RevoLix 200 W continuous-wave laser. The procedure was carried out with a pen-like laser hand piece, using a 360 MUm laser fiber and 15-20 W of power. Median (IQR) follow-up time was 24 (15 30) months. Recurrence rate and post-operative sexual function were assessed. RESULTS: Median age at surgery was 61 years. Median (inter quartile range) size of the lesions was 15 [10-20] mm. Overall, 11 (47.8%) and 12 (52.2%) at the final pathology presented in situ and invasive squamous cell carcinoma (SCC), respectively. The final pathological stage was pTis, pT1a, pT2, and pT3 in 11 (47.8%), 7 (30.4%), 3 (13.0%), and 2 (8.7%) patients, respectively. Moreover, four (17.4%) patients had a recurrence of which three (13.0%) and one (4.3%) patients developed an invasive or in situ recurrence, respectively. After treatment 6 (26.1%) patients reported a conserved penile sensitivity, while 13 (56.5%) and 4 (17.4%) patients experienced a better or worse sensitivity after ablation, respectively. Post-treatment sexual activity was achieved within the first month after laser ablation in 82.6% of the patients. CONCLUSION: Early stage penile carcinomas can be effectively treated with an organ preservation strategy. Tm:YAG conservative laser treatment is easy, safe and offers good functional outcome, with a minor impact on patient's quality of life. PMID- 29197969 TI - The association of early life socioeconomic position on breast cancer incidence and mortality: a systematic review. AB - OBJECTIVES: We conducted a systematic review of the literature relating early life socioeconomic position (SEP) to breast cancer incidence and mortality from a critical period and life-course trajectory perspective. METHODS: PubMed, EMBASE and Web of Science were searched to identify cohort studies that evaluated the impact of early life SEP indicators on the incidence and/or mortality from breast cancer in adulthood. RESULTS: Nine distinct studies evaluated the relationship between early life SEP and breast cancer between 1990 and 2016. Five reports assessed breast cancer incidence and five assessed breast cancer mortality as outcomes; one study assessed both incidence and mortality. While lower early life SEP was associated with reduced breast cancer incidence and increased breast cancer mortality in the US, studies conducted in Europe were unable to establish a consistent association. CONCLUSIONS: We found moderate support for the association between early life SEP and incidence and mortality from breast cancer. The impact of early life SEP on breast cancer incidence and mortality appeared to vary between countries. We urge further investigation of the role of lifelong SEP trajectories in breast cancer outcomes. PMID- 29197970 TI - Distinct renal outcomes for transcatheter aortic valve replacement and surgical repair. PMID- 29197971 TI - Comparison of long-term follow-up outcomes between multiple-drugs combination therapy and tonsillectomy pulse therapy for pediatric IgA nephropathy. AB - BACKGROUND: To clarify the long-term efficacy of multiple-drugs combination therapy (PWDM) and tonsillectomy pulse therapy (TPT) for pediatric IgA nephropathy (IgAN), we retrospectively evaluated the clinical and laboratory findings as well as the prognosis for IgAN patients treated with each treatment at long-term follow-up. METHODS: We collected data on 61 children who had been diagnosed with severe IgAN. The children were retrospectively divided into two groups. Group 1 consisted of 44 severe IgAN children treated with PWDM, and Group 2 consisted of 17 severe IgAN children treated with TPT. The clinical features, pathological findings, and prognosis were analyzed for both groups. RESULTS: The mean urinary protein excretion, serum creatinine, IgA levels, MESTCG scores, and percentage of glomeruli showing crescents in both groups at the second renal biopsy were lower than those at the first renal biopsy. At the time of the second biopsy, the IgA level in Group 2 was lower than that in Group 1; however, there were no significant differences in the mean urinary protein excretion, frequency of hematuria, serum albumin, creatinine, or e-GFR between the two groups. At the most recent follow-up, there were no significant differences in prognosis between the groups. CONCLUSIONS: Our study suggested that PWDM and TPT are effective in ameliorating urinary abnormalities and improving the long-term outcome of pediatric IgAN. PMID- 29197972 TI - Prognostic value of intraoperative measurements of renal tissue oxygenation and microcirculation on renal function in partial nephrectomy. AB - BACKGROUND: Partial nephrectomy (PNx) can be associated with macrocirculatory and microcirculatory alterations, ultimately leading to acute kidney injury (AKI). Measuring kidney tissue oxygenation (MUHbO2) and microcirculation during open PNx might be feasible to early detect these alterations and prevent postoperative AKI. METHODS: MUHbO2 and microcirculation were measured in 45 patients undergoing PNx by reflectance spectrophotometry and laser Doppler flowmetry (O2CTM, Lea, Germany), related to ischemia time and tumour size. Pre- and postoperative creatinine levels were determined. RESULTS: MUHbO2 was lower after reperfusion than before clamping (72 vs. 75%), while microcirculation and regional haemoglobin did not differ. Ischemia time was 15.7 min on average. MUHbO2 was higher without ischemia (80 vs. 70%, p = 0.109) and in T1a- than T1b-tumours, independent of ischemia time and reperfusion. The renal collecting system (RCS) was opened in 19/45 patients with MUHbO2 of 68% after reperfusion compared to 74% with intact RCS. Postoperative complications occurred in 6/45 patients (13%). MUHbO2 was 68% before clamping vs. 75% without complications. Serum creatinine of patients with T1b was higher compared to T1a (103 vs. 87 umol/L). Patients with larger tumours had higher postoperative creatinine levels (173 vs. 124 umol/L; p = 0.052). CONCLUSION: We showed for the first time that the method is feasible to monitor renal tissue oxygenation at the level of microcirculation non-invasively and reproducibly during PNx. Tumour size seems to have a decisive influence on oxygenation and postoperative renal function. Our results imply that postoperative complications may be predicted by low intraoperative renal oxygenation and microcirculatory flow measurements. PMID- 29197973 TI - Fire and grazing modulate the structure and resistance of plant-floral visitor networks in a tallgrass prairie. AB - Significant loss of pollinator taxa and their interactions with flowering plants has resulted in growing reductions to pollination services globally. Ecological network analysis is a useful tool for evaluating factors that alter the interaction structure and resistance of systems to species loss, but is rarely applied across multiple empirical networks sampled within the same study. The non random arrangement of species interactions within a community, or "network structure" such as nested or modular organization, is predicted to prevent extinction cascades in ecological networks. How ecological gradients such as disturbance regimes shape network structural properties remains poorly understood despite significant efforts to quantify interaction structure in natural systems. Here, we examine changes in the structure of plant-floral visitor networks in a tallgrass prairie using a decadal and landscape-scale experiment that manipulates prescribed burn frequency and ungulate grazing, resulting in different grassland states. Plant and floral visitor communities and accompanying network structure were impacted by grassland fire and grazing regimes. The presence of grazers increased flowering plant species richness, network floral visitor species richness, and decreased network nestedness. Fire frequency affected flowering plant and floral visitor community composition; community composition impacted network specialization and modularity. Grassland state resulting from fire grazing interactions has important implications for the resistance of flowering plant and floral visitor communities to species loss. PMID- 29197974 TI - Fitness correlates of age at primiparity in a hunted moose population. AB - Trade-offs between fitness-related traits are predicted from the principle of resource allocation, where increased fecundity or parental investment leads to reduced future reproduction or survival. However, fitness traits can also be positively correlated due to individual differences (e.g. body mass). Age at primiparity could potentially explain variation in individual fitness either because early primiparity is costly, or it may lead to higher lifetime reproductive success. Based on long-term monitoring and genetic parentage assignment of an island population of moose, we quantified reproductive performance and survival, and examined whether early maturing females have higher total calf production than late maturing females. We explored if harvesting of calves affected the subsequent reproductive success of their mothers, i.e. also due to a post-weaning cost of reproduction, and whether there are any intergenerational effects of female reproductive success. There was a positive relationship between current and future reproduction. The probability to reproduce was lower for females that were unsuccessful the year before, indicating a strong quality effect on productivity. Females that started to reproduce as 2-year olds had a slightly higher total calf production compared to those starting at age three or four. High-performing mothers were also correlated with daughters that performed well in terms of reproductive success. Our results suggest that the observed individual heterogeneity in fitness could be associated with differences in age at primiparity. This heterogeneity was not affected by reproductive costs associated with tending for a calf post-weaning. PMID- 29197975 TI - Selective labeling and unlabeling strategies in protein solid-state NMR spectroscopy. AB - Selective isotope labeling is central in NMR experiments and often allows to push the limits on the systems investigated. It has the advantage to supply additional resolution by diminishing the number of signals in the spectra. This is particularly interesting when dealing with the large protein systems which are currently becoming accessible to solid-state NMR studies. Isotope labeled proteins for NMR experiments are most often expressed in E. coli systems, where bacteria are grown in minimal media supplemented with 15NH4Cl and 13C-glucose as sole source of nitrogen and carbon. For amino acids selective labeling or unlabeling, specific amino acids are supplemented in the minimal medium. The aim is that they will be incorporated in the protein by the bacteria. However, E. coli amino-acid anabolism and catabolism tend to interconnect different pathways, remnant of a subway system. These connections lead to inter conversion between amino acids, called scrambling. A thorough understanding of the involved pathways is thus important to obtain the desired labeling schemes, as not all combinations of amino acids are adapted. We present here a detailed overview of amino-acid metabolism in this context. Each amino-acid pathway is described in order to define accessible combinations for 13C or 15N specific labeling or unlabeling. Using as example the ABC transporter BmrA, a membrane protein of 600 residues, we demonstrate how these strategies can be applied. Indeed, even though there is no size limit in solid-state NMR, large (membrane) proteins are still a challenge due to heavy signal overlap. To initiate resonance assignment in these large systems, we describe how selectively labeled samples can be obtained with the addition of labeled or unlabeled amino acids in the medium. The reduced spectral overlap enabled us to identify typical spectral fingerprints and to initiate sequential assignment using the more sensitive 2D DARR experiments with long mixing time showing inter-residue correlations. PMID- 29197976 TI - Genetically encoded amino acids with tert-butyl and trimethylsilyl groups for site-selective studies of proteins by NMR spectroscopy. AB - The amino acids 4-(tert-butyl)phenylalanine (Tbf) and 4 (trimethylsilyl)phenylalanine (TMSf), as well as a partially deuterated version of Tbf (dTbf), were chemically synthesized and site-specifically incorporated into different proteins, using an amber stop codon, suppressor tRNA and the broadband aminoacyl-tRNA synthetase originally evolved for the incorporation of p cyano-phenylalanine. The 1H-NMR signals of the tert-butyl and TMS groups were compared to the 1H-NMR signal of tert-butyltyrosine (Tby) in protein systems with molecular weights ranging from 8 to 54 kDa. The 1H-NMR resonance of the TMS group appeared near 0 ppm in a spectral region with few protein resonances, facilitating the observation of signal changes in response to ligand binding. In all proteins, the R 2 relaxation rate of the tert-butyl group of Tbf was only little greater than that of Tby (less than two-fold). Deuteration of the phenyl ring of Tbf made only a relatively small difference. The effective T 2 relaxation time of the TMS signal was longer than 140 ms even in the 54 kDa system. PMID- 29197977 TI - Direct assignment of 13C solid-state NMR signals of TFoF1 ATP synthase subunit c ring in lipid membranes and its implication for the ring structure. AB - FoF1-ATP synthase catalyzes ATP hydrolysis/synthesis coupled with a transmembrane H+ translocation in membranes. The Fo c-subunit ring plays a major role in this reaction. We have developed an assignment strategy for solid-state 13C NMR (ssNMR) signals of the Fo c-subunit ring of thermophilic Bacillus PS3 (TFo c ring, 72 residues), carrying one of the basic folds of membrane proteins. In a ssNMR spectrum of uniformly 13C-labeled sample, the signal overlap has been a major bottleneck because most amino acid residues are hydrophobic. To overcome signal overlapping, we developed a method designated as COmplementary Sequential assignment with MInimum Labeling Ensemble (COSMILE). According to this method, we generated three kinds of reverse-labeled samples to suppress signal overlapping. To assign the carbon signals sequentially, two-dimensional Calpha(i+1) C'Calpha(i) correlation and dipolar assisted rotational resonance (DARR) experiments were performed under magic-angle sample spinning. On the basis of inter- and intra-residue 13C-13C chemical shift correlations, 97% of Calpha, 97% of Cbeta and 92% of C' signals were assigned directly from the spectra. Secondary structure analysis predicted a hairpin fold of two helices with a central loop. The effects of saturated and unsaturated phosphatidylcholines on TFo c-ring structure were examined. The DARR spectra at 15 ms mixing time are essentially similar to each other in saturated and unsaturated lipid membranes, suggesting that TFo c-rings have similar structures under the different environments. The spectrum of the sample in saturated lipid membranes showed better resolution and structural stability in the gel state. The C-terminal helix was suggested to locate in the outer layer of the c-ring. PMID- 29197978 TI - The Development of Anaphora Resolution at the Syntax-Discourse Interface: Pronominal Subjects in Greek Learners of Spanish. AB - This study explores the development of anaphora resolution (AR) in late sequential bilinguals, namely, adult Greek learners of Spanish at three proficiency levels (intermediate, lower advanced, upper advanced). The use of an overt/null pronominal subject anaphor is investigated in three discourse contexts: topic-continuity (a single antecedent requiring a null pronoun), contrastive-focus (two same-gender potential antecedents requiring an overt pronoun to avoid ambiguity) and emphatic (three same-gender potential antecedents showing unclear preference for either overt or null pronoun). Crucially, AR behaves similarly in Greek and Spanish. Results from an offline contextualised acceptability judgement task show that similarity between the learner's first (L1) and second (L2) languages does not necessarily facilitate the learning task. Even very advanced learners show deficits, which are selective since not all discursive contexts are equally affected. The results are better accounted for by general pragmatic economy principles: Learners prefer being redundant (overuse of overt pronouns in topic-continuity contexts) to ambiguous (acceptance of null pronouns in contrastive-focus contexts). Such tolerance for redundancy may reflect a more general pragmatic tendency, as also reported in child L1 development, adult L2 development and also in native grammars. PMID- 29197980 TI - Correction to: Iron and infection. AB - The author would like to correct the error in the "Abstract" section of original publication as given below. PMID- 29197979 TI - Genetic differences in the aryl hydrocarbon receptor and CYP1A2 affect sensitivity to developmental polychlorinated biphenyl exposure in mice: relevance to studies of human neurological disorders. AB - Polychlorinated biphenyls (PCBs) are persistent organic pollutants that remain a human health concern with newly discovered sources of contamination and ongoing bioaccumulation and biomagnification. Children exposed during early brain development are at highest risk of neurological deficits, but highly exposed adults reportedly have an increased risk of Parkinson's disease. Our previous studies found allelic differences in the aryl hydrocarbon receptor and cytochrome P450 1A2 (CYP1A2) affect sensitivity to developmental PCB exposure, resulting in cognitive deficits and motor dysfunction. High-affinity Ahr b Cyp1a2(-/-) mice were most sensitive compared with poor-affinity Ahr d Cyp1a2(-/-) and wild-type Ahr b Cyp1a2(+/+) mice. Our follow-up studies assessed biochemical, histological, and gene expression changes to identify the brain regions and pathways affected. We also measured PCB and metabolite levels in tissues to determine if genotype altered toxicokinetics. We found evidence of AHR-mediated toxicity with reduced thymus and spleen weights and significantly reduced thyroxine at P14 in PCB exposed pups. In the brain, the greatest changes were seen in the cerebellum where a foliation defect was over-represented in Cyp1a2(-/-) mice. In contrast, we found no difference in tyrosine hydroxylase immunostaining in the striatum. Gene expression patterns varied across the three genotypes, but there was clear evidence of AHR activation. Distribution of parent PCB congeners also varied by genotype with strikingly high levels of PCB 77 in poor-affinity Ahr d Cyp1a2(-/-) while Ahr b Cyp1a2(+/+) mice effectively sequestered coplanar PCBs in the liver. Together, our data suggest that the AHR pathway plays a role in developmental PCB neurotoxicity, but we found little evidence that developmental exposure is a risk factor for Parkinson's disease. PMID- 29197981 TI - The effects of ceftriaxone on cue-primed reinstatement of cocaine-seeking in male and female rats: estrous cycle effects on behavior and protein expression in the nucleus accumbens. AB - RATIONALE: Effective pharmacological treatments to prevent cocaine relapse remain elusive. In male rats, ceftriaxone attenuates the reinstatement of cocaine seeking while increasing glutamate transporter-1 (GLT-1) and xCT expression in the nucleus accumbens core (NAc). Despite reported sex differences in cocaine relapse, these effects have not yet been confirmed in female rats. OBJECTIVE: We investigated the effects of ceftriaxone on cue-primed reinstatement and cocaine induced alterations in glutamatergic proteins in the NAc of female rats. Potential interactions between estrous phase and treatment were also assessed. METHOD: Male and female rats self-administered cocaine in the presence of discrete cues for 12 days, followed by 2-3 weeks of extinction. Ceftriaxone or vehicle was administered daily for a minimum of 6 days immediately preceding a cue-primed reinstatement test. RESULTS: Total cocaine intake was greater in females than in males, but reinstatement behavior was similar. Ceftriaxone attenuated reinstatement in both sexes and was accompanied by increased expression of GLT-1a and xCT in the NAc. However, ceftriaxone attenuated reinstatement only when females were tested during met-, di-, and proestrus phases and not during estrus. A significant increase in AMPA receptor subunit GluA1 surface expression was also observed during estrus, potentially influencing reinstatement. CONCLUSION: These findings extend the beneficial effects of ceftriaxone on persistent cocaine-seeking from males to females, increasing its potential as a pharmacological treatment for preventing relapse. The effects of estrus on GluA1 expression and reinstatement observed here indicate that females may need additional interventions during some phases of the menstrual cycle. PMID- 29197982 TI - Dissociation of place preference and tolerance responses to sucrose using a dopamine antagonist in the planarian. AB - In rodents, sucrose has been found to elicit addictive-like behaviours like the development of tolerance and the association with cues present at the time of consumption. Furthermore, the neurochemical response to sucrose binges is equivalent to the one observed in response to the abuse of addictive substances like cocaine. The experiments reported here address the effects of sucrose on an invertebrate model, the Platyhelminth brown planarian. The animals exposed to a 10% sucrose solution in one context developed a conditioned place preference (CPP) which was subsequently extinguished in the absence of the rewarding agent. However, one exposure to sucrose per se sufficed to reinstate the CPP response, suggesting sucrose-induced CPP can be characterised as a standard Pavlovian response. The same training procedure led to the development of context-specific tolerance to the effects of sucrose. However, comparing animals treated with dopamine D1 antagonist (SCH-23390) with control animals showed that the establishment of CPP, but not the development of tolerance, is mediated by the dopamine reward system. PMID- 29197983 TI - Reduced sensitivity to reinforcement in adolescent compared to adult Sprague Dawley rats of both sexes. AB - RATIONALE: Adolescence is a period of considerable development of brain and behavior and is the time during which most drug use is initiated. OBJECTIVE: Age dependent differences in motivated behaviors may be one of the factors that contribute to heightened vulnerability to developing substance use disorders, so we sought to compare age differences in methamphetamine (METH) and saccharin seeking. METHODS: Beginning during adolescence or adulthood, male and female Sprague-Dawley rats were trained to self-administer 0.1% saccharin (via liquid dipper cup) or intravenous METH at one of three doses (0.02, 0.05, 0.08 mg/kg/inf) under increasing fixed ratio schedules of reinforcement. Subsequently, responding for METH (0.02, 0.05, 0.08, or 0.1 mg/kg/inf) under progressive ratio response requirements was assessed in rats that acquired METH self-administration at the highest dose (0.08 mg/kg/inf). RESULTS: We found that adult-onset rats acquired METH self-administration more readily and exhibited higher motivation compared to adolescent-onset rats, although there were no differences in METH intake during acquisition. Adult rats also acquired saccharin self-administration more readily, but in contrast to METH, there were age and sex differences in saccharin intake driven by high levels of responding in adult females. CONCLUSIONS: These findings challenge the prevailing notion that adolescents are hypersensitive to reward and instead raise questions about the potential role of methodological factors on which rodent studies often differ. PMID- 29197984 TI - Altered orbitofrontal activity and dorsal striatal connectivity during emotion processing in dependent marijuana users after 28 days of abstinence. AB - RATIONALE: Intact cognitive and emotional functioning is vital for the long-term success of addiction treatment strategies. Accumulating evidence suggests an association between chronic marijuana use and lasting alterations in cognitive brain function. Despite initial evidence for altered emotion processing in dependent marijuana users after short abstinence periods, adaptations in the domain of emotion processing after longer abstinence remain to be determined. OBJECTIVE AND METHODS: Using task-based and resting state fMRI, the present study investigated emotion processing in 19 dependent marijuana users and 18 matched non-using controls after an abstinence period of > 28 days. RESULTS: Relative to the control subjects, negative emotional stimuli elicited increased medial orbitofrontal cortex (mOFC) activity and stronger mOFC-dorsal striatal and mOFC amygdala functional coupling in dependent marijuana users (p < 0.022, FWE corrected). Furthermore, mOFC-dorsal striatal functional connectivity was increased at rest in marijuana users (p < 0.03, FWE-corrected). Yet, processing of positive stimuli and subjective ratings of valence and arousal were comparable in both groups. CONCLUSIONS: Together, the present findings provide the first evidence for persisting emotion processing alterations in dependent marijuana users. Alterations might reflect long-term neural adaptations as a consequence of chronic marijuana use or predisposing risk factors for the development of marijuana dependence. PMID- 29197985 TI - Pervasive interactions of Sa and Sb loci cause high pollen sterility and abrupt changes in gene expression during meiosis that could be overcome by double neutral genes in autotetraploid rice. AB - BACKGROUND: Intersubspecific autotetraploid rice hybrids possess high hybrid vigor; however, low pollen fertility is a critical hindrance in its commercial utilization. Our previous study demonstrated that polyploidy could increase the multi-loci interaction and cause high pollen abortion in autotetraploid rice hybrids. However, there is little known about the critical role of pollen sterility locus or loci in the intersubspecific hybrids. We developed autotetraploid rice hybrids harboring heterozygous genotypes (S i S i S j S j ) at different pollen sterility loci by using the near isogenic lines of Taichung65 4*. Moreover, autotetraploid lines carrying double neutral genes, Sa n and Sb n , were used to assess their effect on fertility restoration. RESULTS: Cytological studies showed that the deleterious genetic interactions at Sa and Sb pollen sterility loci resulted in higher pollen sterility (76.83%) and abnormal chromosome behavior (24.59%) at metaphase I of meiosis in autotetraploid rice hybrids. Transcriptome analysis revealed 1092 differentially expressed genes (DEG) in a hybrid with the pervasive interactions at Sa and Sb pollen sterility loci, and most of the genes (about 83%) exhibited down regulation. Of the DEG, 60 were associated with transcription regulation and 18 genes were annotated as meiosis-related genes. Analysis on the hybrids developed by using autotetraploid rice harboring double neutral genes, Sa n and Sb n , revealed normal pollen fertility, and transcriptome analysis showed non-significant difference in number of DEG among different hybrids. CONCLUSIONS: Our finding revealed that pervasive interactions at Sa and Sb pollen sterility loci cause high sterility in the autotetraploid hybrids that lead to the down-regulation of important meiosis related genes and transcription regulation factors. Moreover, we also found that the hybrids sterility could be overcome by double neutral genes, Sa n and Sb n , in autotetraploid rice hybrids. The present study provided a strong evidence for the utilization of heterosis in autotetraploid rice hybrids. PMID- 29197987 TI - Surgery in adenomyosis. AB - INTRODUCTION: Adenomyosis is defined as the presence of endometrial glands and stroma within the myometrium. The true prevalence is unknown and has been reported to range from 1 to 70%. It has a significantly negative impact on women's quality of life, causing abnormal uterine bleeding, dysmenorrhea, and chronic pelvic pain. The definitive treatment for adenomyosis is hysterectomy, although it does not contemplate patients who wish to preserve their fertility. The aim of this paper is to discuss the latest evidence on the surgical techniques for the treatment of adenomyosis published in medical-scientific databases. METHOD: A comprehensive literature search for articles published from 1996 to 2017 related to surgery for adenomyosis was made in Pubmed, Medline, the Cochrane Library, and Google Scholar, in English, by the following MeSH terms: adenomyosis, surgery, pathogenesis, dysmenorrhea and infertility. RESULTS: There is extensive evidence on several surgical approaches for the improvement of adenomyosis-related symptoms; however, there is no robust evidence that they are effective for infertility. CONCLUSION: The management of adenomyosis is quite complex and controversial. Complications after extensive uterine reconstruction, such as uterine rupture, should be considered and discussed with the patient. There are still limited data to support surgery effectiveness, especially for infertility, and further well-designed studies are required. PMID- 29197986 TI - Relationships between MRI fat distributions and sleep apnea and obesity hypoventilation syndrome in very obese patients. AB - PURPOSE: Obesity is associated with both obstructive sleep apnea (OSA) and obesity hypoventilation. Differences in adipose tissue distribution are thought to underlie the development of both OSA and hypoventilation. We explored the relationships between the distribution of upper airway, neck, chest, abdominal and muscle fat in very obese individuals. METHODS: We conducted a cross-sectional cohort study of individuals presenting to a tertiary sleep clinic or for assessment for bariatric surgery. Individuals underwent magnetic resonance (MR) imaging of their upper airway, neck, chest, abdomen and thighs; respiratory polygraphy; 1 week of autotitrating CPAP; and morning arterial blood gas to determine carbon dioxide partial pressure and base excess. RESULTS: Fifty-three individuals were included, with mean age of 51.6 +/- 8.4 years and mean BMI of 44.3 +/- 7.9 kg/m2; there were 27 males (51%). Soft palate, tongue and lateral wall volumes were significantly associated with the AHI in univariable analyses (p < 0.001). Gender was a significant confounder in these associations. No significant associations were found between MRI measures of adiposity and hypoventilation. CONCLUSIONS: In very obese individuals, our results indicate that increased volumes of upper airway structures are associated with increased severity of OSA, as previously reported in less obese individuals. Increasingly large upper airway structures that reduce pharyngeal lumen size are likely to lead to OSA by increasing the collapsibility of the upper airway. However, we did not show any significant association between regional fat distribution and propensity for hypoventilation, in this population. PMID- 29197988 TI - Impact of circulating bacterial DNA in long-term glucose homeostasis in non diabetic patients with HIV infection: cohort study. AB - In HIV-infected patients, the damage in the gut mucosal immune system is not completely restored after antiretroviral therapy (ART). It results in microbial translocation, which could influence the immune and inflammatory response. We aimed at investigating the long-term impact of bacterial-DNA translocation (bactDNA) on glucose homeostasis in an HIV population. This was a cohort study in HIV-infected patients whereby inclusion criteria were: patients with age >18 years, ART-naive or on effective ART (<50 HIV-1 RNA copies/mL) and without diabetes or chronic hepatitis C. Primary outcome was the change in HbA1c (%). Explanatory variables at baseline were: bactDNA (qualitatively detected in blood samples by PCR [broad-range PCR] and gene 16SrRNA - prokaryote), ART exposure, HOMA-R and a dynamic test HOMA-CIGMA [continuous infusion of glucose with model assessment], hepatic steatosis (hepatic triglyceride content - 1H-MRS), visceral fat / subcutaneous ratio and inflammatory markers. Fifty-four men (age 43.2 +/- 8.3 years, BMI 24.9 +/- 3 kg/m2, mean duration of HIV infection of 8.1 +/- 5.3 years) were included. Baseline HbA1c was 4.4 +/- 0.4% and baseline presence of BactDNA in six patients. After 8.5 +/- 0.5 years of follow-up, change in HbA1c was 1.5 +/- 0.47% in patients with BactDNA vs 0.87 +/- 0.3% in the rest of the sample p < 0.001. The change in Hba1c was also influenced by protease inhibitors exposure, but not by baseline indices of insulin resistance, body composition, hepatic steatosis, inflammatory markers or anthropometric changes. In non diabetic patients with HIV infection, baseline bacterial translocation and PI exposure time were the only factors associated with long-term impaired glucose homeostasis. PMID- 29197989 TI - Direct genetic characterization of Toxoplasma gondii from clinical samples from Denmark: not only genotypes II and III. AB - Genetic variation within Toxoplasma gondii can have both clinical and epidemiological significance, while the genotypes circulating in many parts of the world, including the Nordic country Denmark, are still unknown. We genetically characterized T. gondii strains that had been detected in human clinical samples in Denmark in 2011-2016. Samples that had tested positive for T. gondii DNA and had a quantification cycle value <33 were included in this study and subjected to direct genetic characterization of T. gondii based on length polymorphism of 15 microsatellite markers. A total of 23 DNA samples from 22 individual patients were analyzed. The results were consistent with genotype II with 15/15 markers amplified from seven samples from the central nervous system (CNS) including two samples from one patient, four ocular samples, and one unspecified sample; with genotype III with 15/15 markers amplified from two ocular samples; with genotype Africa 1 with 15/15 markers amplified from one amniotic fluid sample and from one CNS-sample; with atypical genotype with 15/15 markers amplified from one CNS-sample and with 11/15 markers amplified from one CNS-sample; and with HG12-like genotype with 9/15 markers amplified from one CNS sample. Genotype II, which is endemic in Europe, was predominant, but more than a third of the successfully genotyped strains were non-type-II. The possibility that clinical toxoplasmosis is caused by a strain that is not considered endemic to the region is definitely not negligible. PMID- 29197990 TI - Modeling mechanical inhomogeneities in small populations of proliferating monolayers and spheroids. AB - Understanding the mechanical behavior of multicellular monolayers and spheroids is fundamental to tissue culture, organism development, and the early stages of tumor growth. Proliferating cells in monolayers and spheroids experience mechanical forces as they grow and divide and local inhomogeneities in the mechanical microenvironment can cause individual cells within the multicellular system to grow and divide at different rates. This differential growth, combined with cell division and reorganization, leads to residual stress. Multiple different modeling approaches have been taken to understand and predict the residual stresses that arise in growing multicellular systems, particularly tumor spheroids. Here, we show that by using a mechanically robust agent-based model constructed with the peridynamic framework, we gain a better understanding of residual stresses in multicellular systems as they grow from a single cell. In particular, we focus on small populations of cells (1-100 s) where population behavior is highly stochastic and prior investigation has been limited. We compare the average strain energy density of cells in monolayers and spheroids using different growth and division rules and find that, on average, cells in spheroids have a higher strain energy density than cells in monolayers. We also find that cells in the interior of a growing spheroid are, on average, in compression. Finally, we demonstrate the importance of accounting for stochastic fluctuations in the mechanical environment, particularly when the cellular response to mechanical cues is nonlinear. The results presented here serve as a starting point for both further investigation with agent-based models, and for the incorporation of major findings from agent-based models into continuum scale models when explicit representation of individual cells is not computationally feasible. PMID- 29197991 TI - Experimental determination of folding factor of benign breast cancer cell (MCF10A) and its effect on contact models and 3D manipulation of biological particles. AB - Plasma membrane of most cells is not smooth. The surfaces of both small and large micropermeable cells are folded and corrugated which makes mammalian cells to have a larger membrane surface than the supposed ideal mode, that is, the smooth sphere of the same volume. Since cancer is an anthropic disease, cancer cells tend to have a larger membrane area than normal cells. Therefore, cancer cells have higher folding factor and larger radius than normal and healthy cells. On the other hand, the prevalence of breast cancer has prompted researchers to improve the treatment options raised for the disease in the past. In this paper, the impact of folding factor of the cell surface has been investigated. Considering that AFM is one of the most effective tools in performing the tests at micro- and nanoscales, it was used to determine the topography of MCF10 cells and then the resulting images and results were used to experimentally extract the folding factor of cells. By applying this factor in the Hertz, DMT and JKR contact models in the elastic and viscoelastic states, these models have been modified and the simulation of the three models shows that the simulation results are closer to the experimental results by considering the folding in the calculations. Additionally, the simulation of 3D manipulation has been done in both elastic and viscoelastic states with and without consideration of folding. Finally, the results were compared to investigate the effects of folding of the cell surface to the critical force and critical time of sliding and rolling in contact with the substrate and AFM tip in the 3D manipulation model. PMID- 29197992 TI - Identification of Reference Genes for Analysis of microRNA Expression Patterns in Equine Chorioallantoic Membrane and Serum. AB - MicroRNAs (miRNAs) have important posttranscriptional regulatory abilities, and there is considerable interest in evaluating their expression patterns in different pathophysiological states. The most common method of quantifying miRNA expression is quantitative reverse transcription PCR; however, the identification of tissue-specific and species-specific reference miRNA is a prerequisite for miRNA expression analysis. Currently, no reference genes have been described for evaluating miRNA expression in equine serum and chorioallantoic membrane (CAM) during pregnancy. The aim of the present study was to characterize reference genes for normalization of miRNA expression in CAM and serum in the pregnant equine. To identify the most stable miRNAs in serum, expression of potential candidates was evaluated in serum samples from diestrous mares, pregnant mares and geldings. To identify the most stable miRNAs in CAM, expression of potential candidates was evaluated in CAM, collected from mares at 4, 6 and 10 months of pregnancy and immediately postpartum. From a previously generated miRNA sequencing dataset, two separate lists of potential reference miRNAs were identified (serum and CAM) using the NormFinder program, in addition to the commonly used small RNA normalizers, 5S rRNA and U6 snRNA. The putative reference miRNAs were selected using geNorm and NormFinder. In case of a nonsignificant correlation between the results of ranking and stability value between these two programs, ranking from BestKeeper was also included. NormFinder and geNorm consistently identified eca-miR-21-5p, eca-let-7a-5p and eca-miR-10a-5p as the three most stable reference genes for the normalization of serum miRNAs. Within CAM samples, the average ranking obtained from the ranking of NormFinder, geNorm and BestKeeper identified eca-miR-8908a-1-5p, eca-miR-369-5p and eca-miR-106a-5p as the three most stable miRNAs. These observations provide information about equine-specific reference genes that can be used for normalizing miRNAs expression patterns in CAM and serum during the equine pregnancy. PMID- 29197993 TI - Chloramine T induced oxidative stress and the response of antioxidant system in Phanerochaete chrysosporium. AB - In this study, the effect of chloramine T (Chl-T) on the activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px), glutathione reductase (GR) and glutathione S-transferase (GST); the levels of reduced (GSH) and oxidised glutathione (GSSG) and their ratios; and also membrane lipid peroxidation (LPO) levels in Phanerochaete chrysosporium were investigated in a dose- (0.25-1 mmol/L) and time-dependent (1.5-9 h) manner. The highest SOD activity was observed in 0.5 mmol/L Chl-T at 6th hour as 1.48-fold of its control. The observed highest level in CAT activities was 4.6-fold of control in 0.5 and 0.75 mmol/L at the 6th hour. The GSH levels that were over the control showed decreasing tendency from the beginning of incubation, except 0.25 mmol/L. In contrast with GSH level variations, GSSG levels reached 10.0-fold of its control by showing increasing tendency with the increases in concentration and time. While the GSH/GSSG ratios were over the control at 0.25 mmol/L during all incubation, they fell under the control values at the earlier hours of incubation with the increasing concentrations of Chl-T. Glutathione-related enzymes GSH-Px, GR and GST were also induced with Chl-T treatment, and the highest activities were 3.29-, 7.5- and 6.56-fold of their controls, respectively. On the other hand, the increases in LPO levels with increasing concentration and time up to 5.27-fold of its control showed that the inductions observed in antioxidant system could not prevent the Chl-T-based oxidative stress. PMID- 29197994 TI - Serum lipids and risk of obesity-related cancers in postmenopausal women. AB - PURPOSE: Obesity, which is commonly accompanied by dyslipidemia, is associated with an increased risk of certain cancers. However, the association of serum lipids with specific obesity-related cancers is unclear. METHODS: We examined the association of baseline lipids (total cholesterol, low-density lipoprotein cholesterol [LDL-C], high-density lipoprotein cholesterol [HDL-C], and triglycerides) with risk of developing seven obesity-related cancers in a subcohort of 24,208 participants in the Women's Health Initiative. We used Cox proportional hazards models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for quartiles of lipids with cancers of the breast, colorectum, pancreas, endometrium, ovary, and kidney, and multiple myeloma. RESULTS: Total cholesterol and LDL-C showed no association with these outcomes. HDL-C was inversely associated, and triglycerides were positively associated, with several cancers. However, after adjustment for other lipids or insulin, consideration of preclinical disease, and exclusion of women taking statins, most associations were attenuated and no longer significant. Only the inverse association of HDL-C with pancreatic cancer (HR for highest vs. lowest quartile 0.52, 95% CI 0.32 0.85, p for trend 0.007) and the positive association of triglycerides with kidney cancer (HR for highest vs. lowest quartile 3.21, 95% CI 1.63-6.33, p for trend = 0.0001) remained significant. However, the inverse association of HDL-C with pancreatic cancer was no longer significant when women who lost substantial weight before diagnosis were excluded. CONCLUSIONS: Our results suggest that when possible sources of confounding and bias are taken into account there are few robust associations of lipids with obesity-related cancers. PMID- 29197995 TI - Long-term patterns of fasting blood glucose levels and pancreatic cancer incidence. AB - BACKGROUND: Whether type 2 diabetes is cause or consequence, or both, of pancreatic cancer (PaC) remains unresolved. Leveraging repeated measurements of fasting blood glucose (FBG), we examined the temporal relationship between hyperglycemia and PaC incidence. METHODS: We conducted a nested case-control study of 278 cases and 826 matched-controls from the Korean National Health Insurance Service-Health Screening Cohort. Over 11 years before index date (date of PaC diagnosis for cases), all participants had at least one FBG measurement in each of the three time windows: - 11 to - 8, - 7 to - 4, and - 3 to 0 years. Using conditional logistic regression, we estimated odds ratios(ORs) of PaC and 95% confidence intervals (CIs) for hyperglycemia in the overall period and at each interval; for major long-term patterns of FBG across the three intervals (recent-onset, medium-term, and long-standing hyperglycemia). RESULTS: Higher FBG over the past 11 years was associated with an increased odds of PaC (p trend < .0001), with recent FBG more predictive of PaC than distant FBG. By FBG assessed in the - 3 to 0 interval, OR was 1.97 (95% CI 1.32-2.93) for 110-125 mg/dL and 3.17 (95% CI 2.09-4.80) for >= 126 mg/dL. By long-term patterns of FBG, compared to consistent normoglycemia, OR was 2.02 (95% CI 1.24-3.31) for long-standing hyperglycemia and 3.38 (95% CI 1.87-6.13) for recent-onset hyperglycemia. These associations were more pronounced among never-smokers than ever-smokers (p interaction = .06). CONCLUSION: Recent-onset hyperglycemia may be an early manifestation of undetected PaC, while long-lasting hyperglycemia may serve as a moderate etiologic factor for PaC. PMID- 29197996 TI - Identification of autofluorescent cells in human angioimmunoblastic T-cell lymphoma. AB - Endogenous cell autofluorescence is a common nuisance that complicates the use of fluorescence microscopy. When using fluorescence-labeled antibodies for specific cell labeling in tissue sections of human angioimmunoblastic T-cell lymphoma (AITL), we encountered with a problematic autofluorescence of multiple cells. These cells emitted fluorescence signals in the green, red and deep-red spectral range. Characterization of these autofluorescent cells solely on the basis of their autofluorescence failed. To identify these enigmatic cells residing the lymphoma tissue, we combined two imaging techniques-fluorescence and brightfield microscopy. Combined fluorescence/brightfield imaging of cells immunolabeled with a panel of CD antibodies raised against diverse cellular components allowed us to identify the autofluorescent cells in the AITL as eosinophils. These cells tended to accumulate in the vicinity of capillaries and arterioles apparently mediating the process of angiogenesis resembling other angiogenesis-associated diseases. PMID- 29197997 TI - Class effects of SGLT2 inhibitors in mouse cardiomyocytes and hearts: inhibition of Na+/H+ exchanger, lowering of cytosolic Na+ and vasodilation. AB - AIMS/HYPOTHESIS: Sodium-glucose cotransporter 2 (SGLT2) inhibitors (SGLT2i) constitute a novel class of glucose-lowering (type 2) kidney-targeted agents. We recently reported that the SGLT2i empagliflozin (EMPA) reduced cardiac cytosolic Na+ ([Na+]c) and cytosolic Ca2+ ([Ca2+]c) concentrations through inhibition of Na+/H+ exchanger (NHE). Here, we examine (1) whether the SGLT2i dapagliflozin (DAPA) and canagliflozin (CANA) also inhibit NHE and reduce [Na+]c; (2) a structural model for the interaction of SGLT2i to NHE; (3) to what extent SGLT2i affect the haemodynamic and metabolic performance of isolated hearts of healthy mice. METHODS: Cardiac NHE activity and [Na+]c in mouse cardiomyocytes were measured in the presence of clinically relevant concentrations of EMPA (1 MUmol/l), DAPA (1 MUmol/l), CANA (3 MUmol/l) or vehicle. NHE docking simulation studies were applied to explore potential binding sites for SGTL2i. Constant-flow Langendorff-perfused mouse hearts were subjected to SGLT2i for 30 min, and cardiovascular function, O2 consumption and energetics (phosphocreatine (PCr)/ATP) were determined. RESULTS: EMPA, DAPA and CANA inhibited NHE activity (measured through low pH recovery after NH4+ pulse: EMPA 6.69 +/- 0.09, DAPA 6.77 +/- 0.12 and CANA 6.80 +/- 0.18 vs vehicle 7.09 +/- 0.09; p < 0.001 for all three comparisons) and reduced [Na+]c (in mmol/l: EMPA 10.0 +/- 0.5, DAPA 10.7 +/- 0.7 and CANA 11.0 +/- 0.9 vs vehicle 12.7 +/- 0.7; p < 0.001). Docking studies provided high binding affinity of all three SGLT2i with the extracellular Na+ binding site of NHE. EMPA and CANA, but not DAPA, induced coronary vasodilation of the intact heart. PCr/ATP remained unaffected. CONCLUSIONS/INTERPRETATION: EMPA, DAPA and CANA directly inhibit cardiac NHE flux and reduce [Na+]c, possibly by binding with the Na+-binding site of NHE-1. Furthermore, EMPA and CANA affect the healthy heart by inducing vasodilation. The [Na+]c-lowering class effect of SGLT2i is a potential approach to combat elevated [Na+]c that is known to occur in heart failure and diabetes. PMID- 29197998 TI - Multisensory enhancement elicited by unconscious visual stimuli. AB - The merging of information from different senses (i.e., multisensory integration) can facilitate information processing. Processing enhancements have been observed with signals that are irrelevant to the task at hand, and with cues that are non predictive. Such findings are consistent with the notion that multiple sensory signals are sometimes integrated automatically. Multisensory enhancement has even been reported with stimuli that have been presented subliminally, though only with meaningful multisensory relations that have already been learned. The question of whether there exist cases where multisensory effects occur without either learning or awareness has, though, not been clearly established in the literature to date. Here, we present a case study of a patient with Posterior Cortical Atrophy, who was unable to consciously perceive visual stimuli with our task parameters, yet who nevertheless still exhibited signs of multisensory enhancement even with unlearned relations between audiovisual stimuli. In a simple speeded detection task, both response speed, and the variability of reaction times, decreased in a similar manner to controls for multisensory stimuli. These results are consistent with the view that the conscious perception of stimuli and prior learning are not always a prerequisite for multisensory integration to enhance human performance. PMID- 29198000 TI - Structure-dependent optoelectronic properties of perylene, di-indenoperylene (DIP) isolated molecule and DIP molecular crystal. AB - Theoretical simulations were designed by first principles approach of density functional theory to investigate the structural and optoelectronic properties of different structural classes of perylene; isolated perylene, diindeno[1,2,3 cd:1',2',3'-lm]perylene (DIP) molecule and DIP molecular crystal. The presence of molecular interactions in DIP crystal proved its structure-dependent behaviours. The herringbone molecular arrangement of DIP crystal has influenced the electronic properties by triggering the intermolecular interactions that reduced the energy gaps between HOMO and LUMO of the crystal. Strong hybridization resulting from dense charges population near zero Fermi energy has pushed valence band maxima in the density of states of all perylene structures to higher energies. Under small energy input, charges are transferred continuously as observed in the spectra of conductivity and dielectric. The existence of strong absorption intensities are consistent with the former works and supported by the obtained polarized reflectivity and loss spectra. PMID- 29197999 TI - Remote ischemic preconditioning upregulates microRNA-21 to protect the kidney in children with congenital heart disease undergoing cardiopulmonary bypass. AB - BACKGROUND: Acute kidney injury (AKI) is one of the most common emergencies and severe diseases in the clinic. We sought to verify whether remote ischemic preconditioning (RIPC) has a protective effect on the kidney of child with congenital heart disease undergoing cardiopulmonary bypass (CPB) surgery. We hypothesized it may be related to the up-regulation of microRNA-21 (miR-21). METHODS: We performed a prospective randomized clinical study among children with congenital heart disease undergoing CPB surgery between January and December 2016. Children were randomized to an RIPC or control group. Patients in each group were divided into an AKI and a non-AKI group according to the occurrence of AKI at 48 h after surgery. Remote ischemic preconditioning (RIPC) conducted by blood-pressure cuff was performed 12 h before surgery. Serum creatinine (SCr), tumor necrosis factor-alpha (TNF-alpha), and miR-21 expression in blood and urine were measured at different time points. RESULTS: A total of 449 cases (200 RIPC; 249 controls) were enrolled. The male/female ratio was 1.18, with a mean age of 37.50 +/- 25.31 months. The incidence of AKI in the RIPC group was significantly lower than that in the control group (19.0% vs. 46.2%, P<0.01). In further analysis, at 6 h, 24 h, and 48 h after CPB operation, blood TNF-alpha levels were significantly lower in the RIPC group than in the control group (P<0.01); at 24 h, 48 h, and 72 h, urine TNF-alpha levels were significantly lower in the RIPC group than in the control group (P<0.05). Urine and blood miR-21 expression in the RIPC group increased significantly, while there was no obvious change in the control group. CONCLUSIONS: Remote ischemic preconditioning has a protective effect on the kidney in children with congenital heart disease, which may be related with the up-regulation of miR-21 and down-regulating the inflammatory mediator, such as TNF-alpha. PMID- 29198001 TI - Imaging findings of recurrent pancreatic cancer following resection. AB - Pancreatic cancer is a challenging malignancy to treat, largely due to aggressive regional involvement, early systemic dissemination, high recurrence rate, and subsequent low patient survival. Generally, 15-20% of newly diagnosed pancreatic cancers are candidates for possible curative resection. Eighty percent of these patients, however, will experience locoregional or distant recurrence in first 2 years. Although there is no strong evidence-based guideline for optimal surveillance after pancreatic cancer resection, careful comparison of surveillance follow-up multi-detector CT (MDCT) studies with a postoperative baseline MDCT examination aids detection of early recurrent pancreatic cancer. In this review article, we describe imaging findings suggestive of recurrent pancreatic cancer and review routine and alternative imaging options. PMID- 29198002 TI - Staging of pancreatic cancer: resectable, borderline resectable, and unresectable disease. AB - Pancreatic ductal adenocarcinoma (PDAC) is a relatively common malignancy that carries an overall poor prognosis, with five-year survival below 10%. Despite ongoing research, surgical resection remains the only potentially curative treatment. Therefore, accurate identification of those patients who would benefit from surgical resection is of paramount importance. High-quality imaging and image interpretation is central to this process. Radiology helps in the determination of whether patients are resectable, borderline resectable, or unresectable and guides treatment planning. PMID- 29198004 TI - 'Stone street' ureter. AB - We would like to submit an interesting image of ureteric steinstrasse post lithotripsy procedure resembling a cobble stone street. PMID- 29198003 TI - Liver fibrosis detection and staging: a comparative study of T1rho MR imaging and 2D real-time shear-wave elastography. AB - PURPOSE: To compare the results of T1rho MR imaging and 2D real-time shear-wave elastography (SWE) for liver fibrosis detection and staging. METHODS: Twenty-nine rabbit models of CCl4-induced liver fibrosis were established and six untreated rabbits served as controls. T1rho MR imaging and 2D real-time SWE examination were performed at 2, 4, 6, 8, 10, and 12 weeks. T1rho values and liver stiffness (LS) values were measured. Fibrosis was staged according to the METAVIR scoring system. Correlation test was performed among T1rho values, LS values, and fibrosis stage. Receiver operating characteristic (ROC) analysis was performed for assessing diagnostic performance of T1rho and SWE in detection of no fibrosis (F0), substantial fibrosis (>= F2), severe fibrosis (>= F3), and cirrhosis (F4). RESULTS: There was moderate positive correlation between fibrosis stage and T1rho values (r = 0.566; 95% CI 0.291-0.754; P < 0.0001), and LS value (r = 0.726; 95% CI 0.521-0.851; P = 0.003). T1rho values showed moderate positive correlations with LS values [r = 0.693; 95% confidence interval (CI) 0.472-0.832; P < 0.0001]. Areas Under ROC (AUROCs) were 0.861 (95% CI 0.705-0.953) for SWE and 0.856 (95% CI 0.698-0.950) for T1rho (P = 0.940), 0.906 (95% CI 0.762-0.978) for SWE and 0.849 (95% CI 0.691-0.946) for T1rho (P = 0.414), 0.870 (95% CI 0.716-0.958) for SWE and 0.799 (95% CI 0.632-0.913) for T1rho (P = 0.422), and 0.846 (95% CI 0.687 0.944) for SWE and 0.692 (95% CI 0.517-0.835) for T1rho (P = 0.137), when diagnosing liver fibrosis with >= F1, >= F2, >= F3, and F4, respectively. There was moderate positive correlation between inflammatory activity and T1rho values (r = 0.520; 95% CI 0.158-0.807; P = 0.013). CONCLUSION: T1rho imaging has potential for liver fibrosis detection and staging with good diagnostic capability similar to that of ultrasonography elastography. PMID- 29198005 TI - Daughter cyst sign in ovarian cysts. PMID- 29198006 TI - Characteristics of PI-RADS 4 lesions within the prostatic peripheral zone: a retrospective diagnostic accuracy study evaluating 170 lesions. AB - PURPOSE: To determine whether peripheral zone PI-RADS 4 observations can be further risk-stratified. METHODS: This was an IRB-approved HIPAA-compliant retrospective diagnostic accuracy study. Peripheral zone PI-RADS 4 observations prospectively identified at the study institution from 8/1/2015 to 12/31/2016 (n = 170 in 149 mpMRIs) were reviewed independently by two blinded genitourinary radiologists on the basis of (a) PI-RADS v2 shape, (b) pattern of peripheral zone sparing, and (c) rationale for PI-RADS 4 designation. Reference standard was targeted MR-ultrasound fusion biopsy and detection of Gleason 7+ prostate cancer. Positive predictive values (PPVs) were calculated. Predictors were assessed with binary logistic regression. RESULTS: PI-RADS 4 lesions with a DWI score of 4 were more likely to represent Gleason 7+ prostate cancer (p = 0.008-0.01; Reader 1 PPV: 53%; Reader 2 PPV: 48%). Pattern of peripheral zone sparing and most lesion shapes were not predictive (p > 0.05); however, oval lesions were predictive for Reader 1 (PPV = 59%, p = 0.03) and lentiform lesions were predictive for Reader 2 (PPV = 74%, p = 0.01). Lesions scored as "not meeting PI-RADS 4 criteria" had significantly lower PPV (p = 0.016-0.003; Reader 1 PPV: 14%, Reader 2 PPV: 16%). DISCUSSION: Peripheral zone PI-RADS 4 lesions with a DWI score of 4 are more likely Gleason 7+ cancer than those with a DWI score of 3. Lesions overcalled as PI-RADS 4 have PPV similar to published PI-RADS 3 data. Lesion shape and peripheral zone sparing in general do not predict Gleason 7+ cancer within PI RADS 4 observations. PMID- 29198007 TI - Usefulness of metabolic activity of adipose tissue in FDG PET/CT of colorectal cancer. AB - PURPOSE: To determine the relationship between metabolic activity of adipose tissue on FDG PET/CT and prognosis in colorectal cancer. METHODS: A total of 176 colorectal cancer patients with curative surgical resection were retrospectively enrolled. Volume and metabolic activity of subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) on FDG PET/CT images were measured. The maximum standardized uptake value (SUV) of primary tumor (SUVtumor) was also obtained. Univariate analysis with log-rank test and multivariate Cox regression analyses were used to evaluate prognostic values of volume and metabolic activity of SAT and VAT as well as SUVtumor and clinicopathologic factors. RESULTS: Of 176 patients, 26 experienced recurrence during follow-up. SUVtumor showed significant correlation with serum C-reactive protein level (r = 0.242, p = 0.001), SUV of VAT (r = 0.167, p = 0.026), and size of primary tumor (r = 0.341, p < 0.001). In univariate analysis with log-rank test, SUV of VAT (p = 0.009) and SAT (p = 0.006), volume of VAT (p = 0.015), N stage (p < 0.001), M stage (p < 0.001), tumor involvement of resection margin (p = 0.001), and lymphatic invasion (p = 0.024) were significantly associated with recurrence-free survival (RFS). However, SUVtumor showed no significant association with RFS. In multivariate Cox regression analysis, SUV of VAT (p = 0.016), presence of lymph node metastasis (p < 0.001), and tumor involvement of resection margin (p = 0.011) were independent prognostic factors for RFS. CONCLUSIONS: The SUV of VAT in patients with colorectal cancer is significantly associated with FDG uptake of primary tumor. It is an independent predictor for RFS. PMID- 29198008 TI - Artifacts in contrast-enhanced ultrasound: a pictorial essay. AB - Although contrast-enhanced ultrasound (CEUS) has become a widely utilized and accepted modality in much of the world, the associated contrast agents have only recently received approval in the United States. As with all radiological techniques, image artifacts are encountered in CEUS, some of which relate to commonly encountered ultrasound artifacts, while others are unique to this technique. Image artifacts must be recognized when performing and interpreting examinations to improve technique and diagnostic accuracy. In this article, we review artifacts that may be encountered in CEUS, and where possible discuss how to minimize them or mitigate their effect on image quality and interpretation. PMID- 29198009 TI - The "bouquet of flowers" appearance in medullary sponge kidney. PMID- 29198010 TI - Pope's hat sign: another valuable CT finding of early acute cholecystitis. AB - PURPOSE: To determine the diagnostic performance of minor computed tomography (CT) findings for acute cholecystitis and demonstrate the incremental benefit of pope's hat sign as an additional minor CT finding in patients suspected to have early acute cholecystitis. MATERIALS AND METHODS: Two radiologists reviewed CT scans of 116 patients with early acute cholecystitis and 116 control patients. All cases in the patient group were surgically proven to have acute cholecystitis and preoperative dynamic CT scans. Evaluated CT parameters included major criteria (gallstone, distension of gallbladder (GB) lumen, GB wall edema, pericholecystic fat infiltration, and pericholecystic fluid collection) and minor criteria (GB bed hyperemia, tensile GB fundus sign, hyperdense GB wall sign, increased bile attenuation within GB, and pope's hat sign). RESULTS: In a univariate analysis, among the minor criteria, GB bed hyperemia, tensile GB fundus sign, increased bile attenuation within GB, and pope's hat sign were more frequently observed (P < 0.05) in the early acute cholecystitis group. The optimal cut-off value of GB distension for discriminating between the two groups was 3.05 cm. In a multivariable analysis, GB bed hyperemia, pope's hat sign, and GB lumen > 3.05 cm were significant findings for differentiating the two groups (P < 0.001). Among all combinations of these findings, the combination of GB bed hyperemia and pope's hat sign exhibited the highest specificity (96.5%) and the combination of all three findings showed the highest sensitivity (94.0%). CONCLUSION: Pope's hat sign is a new finding that could improve CT diagnostic performance for early acute cholecystitis in patients with RUQ pain in the emergency department. The combination of pope's hat sign with GB bed hyperemia or GB lumen distension > 3.05 cm may be even more helpful in the early stage or in mild forms of acute cholecystitis. PMID- 29198011 TI - Ovarian collision tumors: imaging findings, pathological characteristics, diagnosis, and differential diagnosis. AB - Collision tumors are uncommon neoplasms in which elements of differing histologic origins coexist in a single mass. Ovarian collision tumors are a rare subtype of such lesions. The identification of collision tumors by radiologic examinations is essential to ensure that comprehensive biopsies are performed to guide appropriate treatments. According to the clinical and imaging findings of 12 patients and reviews of previous studies, ovarian collision tumors are mixtures of different combinations of epithelial tumors, germ cell tumors, and sex-cord stromal tumors. The smaller tumors are usually located inside ("nested tumor") or on the wall ("back to back") of the larger tumors. Each type of ovarian collision tumors presents specific CT/MRI features in accordance with their histologic origins and collision patterns. Knowledge of the imaging features of ovarian collision tumors is crucial to aid preoperative diagnostic accuracy. PMID- 29198012 TI - Successful local treatment for repeated hepatic recurrences of cholangiolocellular carcinoma: a report on a long-term survivor. AB - BACKGROUND: Cholangiolocellular carcinoma (CoCC) is a rare liver tumor arising from the canals of Hering found between the cholangioles and interlobular bile ducts. Although morphologically CoCC mimics intrahepatic cholangiocarcinoma (ICC), CoCC exhibits a unique intermediate biologic behavior between hepatocellular carcinoma (HCC) and ICC. Curative resection is required for prolonged survival in patients with CoCC. However, effective therapy for postoperative hepatic recurrence has not yet been standardized. CASE PRESENTATION: A 40-year-old man had an asymptomatic liver mass found during a regular medical examination. Contrast-enhanced computed tomography revealed a well-enhanced mass, 15 cm in diameter, in the right liver. He underwent right hemihepatectomy at a local hospital under the preoperative diagnosis of hepatocellular carcinoma. Pathologic examination confirmed a moderately differentiated tubular adenocarcinoma, leading to a diagnosis of ordinary ICC. Twelve months after surgery, he was referred to our hospital due to three hepatic recurrences in the left medial segment. He underwent partial hepatectomy for the recurrence, followed by adjuvant chemotherapy using gemcitabine alone. After the second hepatectomy, hepatic recurrences developed an additional seven times. The numbers and sizes of the recurrent tumors were very limited at each recurrence, satisfying the standard criteria for percutaneous radiofrequency ablation (RFA) for the treatment of HCC. All lesions were treated by percutaneous RFA, although this was an exceptional approach for ICC. He is now alive without evidence of disease 9.2 years after the first hepatectomy. Because his clinical outcome was satisfactory and not compatible with the typical negative outcomes of ordinary ICC, we re-reviewed the histological findings of his tumor. The tumor was composed of small gland-forming cells proliferating in an anastomosing pattern; the cell membrane was strongly immunoreactive for epithelial membrane antigen. These findings were in accordance with the typical features of CoCC, revising his final diagnosis from ICC to CoCC. CONCLUSIONS: This case report demonstrates a satisfactory outcome using repeated local treatments, such as hepatectomy and RFA, for hepatic recurrences of CoCC, suggesting that a localized treatment approach can be considered to be a therapeutic option. We should be careful in making a definitive diagnosis of ICC and ruling out CoCC because the diagnosis potentially dictates the treatment strategy for recurrences. PMID- 29198013 TI - Short- and Long-Term Protective Effects of Melatonin in a Mouse Model of Sepsis Associated Encephalopathy. AB - Brain dysfunction is a common complication after sepsis and is an independent risk factor for a poor prognosis, which is partly attributed to the dysregulated inflammatory response and oxidative damage. Melatonin regulates the sleep-wake cycle and also has potent anti-inflammatory and antioxidant properties, yet the protective effects of melatonin on sepsis-induced neurobehavioral dysfunction remain to be elucidated. In the present study, melatonin was administered intraperitoneally daily at a dose of 10 mg/kg for three consecutive days immediately (early treatment) or 7 days (delayed treatment) after sham operation or cecal ligation and puncture (CLP), followed by an additional treatment in drinking water until the end of behavioral tests. The concentrations of pro inflammatory cytokines (tumor necrosis factor (TNF-alpha), interleukin-1beta (IL 1beta), IL-6, IL-10), malondialdehyde (MDA), superoxide dismutase (SOD), reactive oxygen species (ROS), brain-derived neurotrophic factor (BDNF), and glial cell line-derived neurotrophic factor (GDNF) were determined at the indicated time points. Compared with the CLP + vehicle group, we found that early melatonin treatment resulted in increased survival rate but not improvement in measures of neurobehavioral outcomes, which was accompanied by significantly lower plasma level of IL-1beta. Intriguingly, delayed melatonin treatment improved neurobehavioral dysfunction by normalization of hippocampal BDNF and GDNF expressions. In conclusion, our study suggests the beneficial effects of both early and delayed melatonin treatment after sepsis development, which implicates melatonin has a potential therapeutic value in sepsis-associated organ damage including brain dysfunction. PMID- 29198014 TI - Inhibition of Complement Drives Increase in Early Growth Response Proteins and Neuroprotection Mediated by Salidroside After Cerebral Ischemia. AB - Salidroside is neuroprotective across a wide therapeutic time-window after cerebral ischemia-reperfusion injury (IRI). Here, we investigated the role of complement in mediating effects of salidroside after cerebral IRI in rats. Rats were administrated with vehicle or salidroside 50 mg/kg, given daily for either 24 or 48 h, after middle cerebral artery occlusion (MCAO) for 2 h and reperfusion for 1 h. Levels of proteins in ischemic brain were measured by immunofluorescence and western blotting. We observed early increases in the deposition of immunoglobulin M, mannose-binding lectin 2, and annexin IV on cerebral endothelial cells, induction of the complement components C3 and C3a, by 24 h after IRI, and a later significant increase in the complement component C1q by 48 h. Salidroside prevented these changes. The neuroplasticity-related early growth response proteins Egr1, Egr2, and Egr4 and activity-regulated cytoskeleton associated protein increased transiently in the first 6 h after IRI but then decreased below baseline by 48 h after IRI. Neither salidroside nor a C3a receptor antagonist (C3aRA) affected these proteins 24 h after IRI, but both reversed their later decreases to similar and non-additive extents. Salidroside and C3aRA increased NeuN in a non-additive manner after IRI. Our results suggest that salidroside exerts neuroprotection by reducing early activation of the lectin pathway on the cerebral endothelium and inhibiting the gradual activation of the classical pathway after cerebral IRI. This prolonged neuroprotection may depend, at least in part, on increased expression of neuroplasticity-related genes driven by reduced complement activation. PMID- 29198015 TI - The Anti-inflammatory Effects of 4-((5-Bromo-3-chloro-2-hydroxybenzyl) amino)-2 hydroxybenzoic Acid in Lipopolysaccharide-Activated Primary Microglial Cells. AB - Over-activated microglial cells are known to be implicated in various neurological diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), and multiple sclerosis. Our previous reports have shown that ZL006, a compound with a hydrophobic ring A and a hydrophilic ring B with a carboxyl group, exhibited stronger neuroprotective activity in vitro and in vivo. However, the directly anti-inflammatory effects of these compounds in the central nervous system (CNS) have not been elucidated. In the present study, as a part of our ongoing screening experiment to evaluate the anti-inflammatory effects of new compounds, a newly synthesized 4-((5-bromo-3-chloro-2-hydroxybenzyl) amino)-2 hydroxybenzoic acid (LX007) was used to examine whether it could reduce the inflammatory responses of activated microglia. Our results indicated that LX007 inhibited lipopolysaccharide (LPS)-stimulated nitric oxide (NO) and prostaglandin E2 (PGE2) expression, as well as their regulatory gene-inducible NO syntheses (iNOS) and cyclooxygenase-2 (COX-2) in LPS-treated primary microglia. LPS-induced production from microglia of interleukin (IL)-1beta, IL-6, and tumor necrosis factor (TNF-alpha) was also significantly attenuated by LX007. Mechanistically, LX007 potently suppressed phosphorylation of mitogen-activated protein kinases (MAPKs) and nuclear factor-kappa B (NF-kappaB) p65 nuclear translocation in LPS induced microglia. We therefore conclude that LX007 exhibits anti-inflammatory effects in LPS-stimulated microglial cells by inhibiting pro-inflammatory mediators corresponding to the downregulating of MAPKs and NF-kappaB activation. Taken together, the present study indicated that LX007 may have potential to be developed into an anti-inflammatory agent in the future. PMID- 29198017 TI - Low pH irrigation fluids have positive effect on intra-articular chondral healing. AB - PURPOSE: The aim of this study was to evaluate the effect of Ringer's lactate (RL) solutions with different pH values on early histologic healing in a microfracture model in vivo. The null hypothesis of the presented study is that irrigation fluids with lower pH (6.4) have negative effects on fibrous cartilage healing. METHODS: Eighteen Wistar albino rats were randomly divided into three groups. Anterior midline incision was performed. Microfracture procedure was performed with a 1.2 mm k-wire at the lateral femoral condyle of each knee. the skin was sutured and joints were irrigated for 30 min with low pH (6.4) RL in Group 1, high pH (7.6) RL in Group 2 and no irrigation in Group 3. Three rats from each group were randomly selected and killed on the 3rd and 7th day. On the 3rd day, the healed chondral area was examined. On the 3rd and 7th day, the chondral depth and morphology were evaluated. On the 7th day, bone cellularity was assessed with osteoblast; osteoclast number and bone quality were evaluated with trabecular area and the number of trabeculae. RESULTS: Chondral healing area on the 3rd day was significantly higher in Group 1 compared to other groups. Chondral morphology was also qualitatively superior in Group 1 compared to other groups on the 3rd and 7th day. There were no differences in chondral depths between the groups on the 3rd day; however, increased chondral depths were observed in Group 1 on the 7th day. There were statistically significant increases in trabecular area and the number of trabeculae, as well as the number of osteoblasts and osteoclasts in Group 1 on the 7th day. CONCLUSIONS: The presented study revealed that low pH irrigation fluids have positive effects on the healing characteristics of intra-articular fibrous cartilage after microfracture procedure in vivo. In light of this study, we can assume that lower pH solutions could be safely used during microfracture procedures and it can also facilitate intra-articular fibrous cartilage formation and cartilage healing. Selection of irrigation solution is also important for intra-articular fibrous cartilage healing after microfracture procedure in vivo. PMID- 29198016 TI - Advantages and limitations of multiple-trait genomic prediction for Fusarium head blight severity in hybrid wheat (Triticum aestivum L.). AB - KEY MESSAGE: Predictabilities for wheat hybrids less related to the estimation set were improved by shifting from single- to multiple-trait genomic prediction of Fusarium head blight severity. Breeding for improved Fusarium head blight resistance (FHBr) of wheat is a very laborious and expensive task. FHBr complexity is mainly due to its highly polygenic nature and because FHB severity (FHBs) is greatly influenced by the environment. Associated traits plant height and heading date may provide additional information related to FHBr, but this is ignored in single-trait genomic prediction (STGP). The aim of our study was to explore the benefits in predictabilities of multiple-trait genomic prediction (MTGP) over STGP of target trait FHBs in a population of 1604 wheat hybrids using information on 17,372 single nucleotide polymorphism markers along with indicator traits plant height and heading date. The additive inheritance of FHBs allowed accurate hybrid performance predictions using information on general combining abilities or average performance of both parents without the need of markers. Information on molecular markers and indicator trait(s) improved FHBs predictabilities for hybrids less related to the estimation set. Indicator traits must be observed on the predicted individuals to benefit from MTGP. Magnitudes of genetic and phenotypic correlations along with improvements in predictabilities made plant height a better indicator trait for FHBs than heading date. Thus, MTGP having only plant height as indicator trait already maximized FHBs predictabilities. Provided a good indicator trait was available, MTGP could reduce the impacts of genotype environment [Formula: see text] interaction on STGP for hybrids less related to the estimation set. PMID- 29198018 TI - Fate of coracoid grafts after the Latarjet procedure: will be analogous to the original glenoid by remodelling. AB - PURPOSE: To evaluate the location, magnitude, and change over time of osteolysis of coracoid grafts after Latarjet procedure. METHODS: This is a retrospective study of 54 patients (55 shoulders) who underwent the Latarjet procedure. Three dimensional computed tomography (CT) scans were performed preoperatively, immediately postoperatively, and at follow-up (mean 7.7 and 31.7 months postoperative). "En face" views of the glenoid, size of glenoid defect and changes in the glenoid surface area postoperatively were measured relative to the area of an assumed outer-fitting circle. On the oblique sagittal planes, location and subsequent severity of osteolysis of the graft at follow-up were documented. RESULTS: The mean glenoid surface area increased significantly from 79.7 +/- 4.8% of the original circle preoperatively to 111.3 +/- 8.0% immediately postoperatively. At 7.7 and 31.7 months of follow-up, glenoid surface area decreased to 102.2 +/- 6.0% and 100.3 +/- 5.3%, respectively. Osteolysis occurred on the outer side of the graft in all cases, but did not occur on the inner side. Maximum osteolysis was observed in the superior third of the graft (78.5 +/- 17.1%), followed by the middle third (15.8 +/- 10.4%), and the inferior third (8.0 +/- 5.1%). No significant difference in magnitude of osteolysis was observed between 7.7 and 31.7 months of follow-up. CONCLUSION: Osteolysis of the grafted coracoid mainly occurred on the outer side of the superior portion, resulting in reshaping of the rectangular shape of graft coracoids after Latarjet procedure. Coracoid graft remodelling was almost completed approximately 8 months postoperatively to reach the original glenoid dish with no further changes thereafter. These results may help surgeons to understand changes of grafts after the surgery. LEVEL OF EVIDENCE: IV. PMID- 29198019 TI - Muscle proteolytic system modulation through the effect of taurine on mice bearing muscular atrophy. AB - Skeletal muscle atrophy occurs in different catabolic conditions and mostly accompanied with upregulation of Muscle ring finger 1 (MuRF1) gene which is one of the master regulatory genes in muscle atrophy. Taurine amino acid is widely distributed in different tissues and has anti-inflammatory and antioxidant effects. This study aimed to investigate the potential influence of taurine on muscle atrophy induced by reduced mechanical loading. Twenty-eight Albino mice were used, and divided equally into four groups: group I (control); group II (immobilization); group III (immobilization + taurine); and group IV (taurine). Quadriceps muscle sections were taken for histopathology, immunohistochemical analysis of caspase 3 expression, and qRT-PCR of MuRF1 gene. Our data revealed Zenker necrosis associated with axonal injury of the nerve trunk of the immobilized muscle together with increase of caspase 3 expression and upregulation of MuRF1 gene. While, taurine supplementation alleviated the muscular and neural tissues damage associated with disuse skeletal muscle atrophy through downregulation of MuRF1 gene and decrease of tissue caspase 3 expression. In conclusion, taurine may be helpful to counteract apoptosis and up-regulated MuRF1 gene expression related to muscle atrophy, which might be hopeful for a large number of patients. PMID- 29198020 TI - Identification of a novel intergenic miRNA located between the human DDC and COBL genes with a potential function in cell cycle arrest. AB - Frequent abnormalities in 7p12 locus in different tumors like lung cancer candidate this region for novel regulatory elements. MiRNAs as novel regulatory elements encoded within the human genome are potentially oncomiRs or miR suppressors. Here, we have used bioinformatics tools to search for the novel miRNAs embedded within human chromosome 7p12. A bona fide stem loop (named mirZa precursor) had the features of producing a real miRNA (named miRZa) which was detected through RT-qPCR following the overexpression of its precursor. Then, endogenous miRZa was detected in human cell lines and tissues and sequenced. Consistent to the bioinformatics prediction, RT-qPCR as well as dual luciferase assay indicated that SMAD3 and IGF1R genes were targeted by miRZa. MiRZa-3p and miRZa-5p were downregulated in lung tumor tissue samples detected by RT-qPCR, and mirZa precursor overexpression in SW480 cells resulted in increased sub-G1 cell population. Overall, here we introduced a novel miRNA which is capable of targeting SMAD3 and IGF1R regulatory genes and increases the cell population in sub-G1 stage. PMID- 29198021 TI - Alpha-synuclein aggregation, Ubiquitin proteasome system impairment, and L-Dopa response in zinc-induced Parkinsonism: resemblance to sporadic Parkinson's disease. AB - Alpha-synuclein (alpha-synuclein) aggregation and impairment of the Ubiquitin proteasome system (UPS) are implicated in Parkinson's disease (PD) pathogenesis. While zinc (Zn) induces dopaminergic neurodegeneration resulting in PD phenotype, its effect on protein aggregation and UPS has not yet been deciphered. The current study investigated the role of alpha-synuclein aggregation and UPS in Zn induced Parkinsonism. Additionally, levodopa (L-Dopa) response was assessed in Zn induced Parkinsonian model to establish its closeness with idiopathic PD. Male Wistar rats were treated with zinc sulfate (Zn; 20 mg/kg; i.p.) twice weekly for 12 weeks along with respective controls. In few subsets, animals were subsequently treated with L-Dopa for 21 consecutive days following Zn exposure. A significant increase in total and free Zn content was observed in the substantia nigra of the brain of exposed groups. Zn treatment caused neurobehavioral anomalies, striatal dopamine decline, and dopaminergic neuronal cell loss accompanied with a marked increase in alpha-synuclein expression/aggregation and Ubiquitin-conjugated protein levels in the exposed groups. Zn exposure substantially reduced UPS-associated trypsin-like, chymotrypsin-like, and caspase like activities along with the expression of SUG1 and beta-5 subunits of UPS in the nigrostriatal tissues of exposed groups. L-Dopa treatment rescued from Zn induced neurobehavioral deficits and restored dopamine levels towards normalcy; however, Zn-induced dopaminergic neuronal loss, reduction in tyrosine hydroxylase expression, and increase in oxidative stress were unaffected. The results suggest that Zn caused UPS impairment, resulting in alpha-synuclein aggregation subsequently leading to dopaminergic neurodegeneration, and that Zn-induced Parkinsonism exhibited positive L-Dopa response similar to sporadic PD. PMID- 29198022 TI - Hyperthyroid patients without Graves' orbitopathy are not at increased risk of developing glaucoma: a nationwide Danish register-based case-control study. AB - PURPOSE: Graves' disease (GD) and toxic nodular goiter (TNG) are associated with various comorbidities. However, it is unclarified whether TNG and GD without orbitopathy are associated with glaucoma. METHODS: This was a case-control study using record-linkage data from nationwide Danish health registers. 28,461 patients with GD and 17,283 with TNG were included. Each case was age and sex matched with four non-hyperthyroid controls and followed over a mean period of 8 years. Data on glaucoma was obtained by record linkage within the National Danish Patient Register and/or the Danish National Prescription Registry. Logistic and Cox regression models were used to assess the risk of glaucoma before and after the diagnosis of GD and TNG. RESULTS: Compared to controls, there was a significantly increased frequency of glaucoma in patients with GD (4.6 vs. 4.2%, P = 0.006) and in patients with TNG (6.2 vs. 5.7%, P = 0.003). Prior to the diagnosis of hyperthyroidism, the odds ratio (OR) for glaucoma was non significant in GD (1.09, 95% CI: 1.00-1.18) but slightly increased in TNG (1.13, 95% CI: 1.02-1.24). However, in TNG the OR attenuated completely when only including patients without co-morbidity in the analysis (1.03, 95% CI: 0.93 1.14). After adjustment for pre-existing co-morbidity, the hazard ratio (HR) for glaucoma following GD and TNG was not significantly increased (HR 1.08, 95% CI: 0.98-1.18 and HR 1.10, 95% CI: 0.99-1.21, respectively). CONCLUSIONS: Neither prior to nor following the diagnosis of GD and TNG had any significant association with glaucoma. PMID- 29198023 TI - The Use of Stimulant Medication to Treat Attention-Deficit/Hyperactivity Disorder in Elite Athletes: A Performance and Health Perspective. AB - The use of stimulants as a treatment for attention-deficit/hyperactivity disorder (ADHD) among elite athletes is a controversial area with some arguing that stimulant use should not be permitted because it offers an advantage to athletes (fair play perspective). Guided by an integrated model of athletic performance, we address common concerns raised about stimulant use in sports from our perspective, which we coined the "performance and health perspective," highlighting relevant research and pointing to gaps in empirical research that should be addressed before bans on use of stimulants for athletes with ADHD are considered. The current article posits that a stimulant ban for athletes with ADHD does not necessarily facilitate fair play, ensure safety, or align with existing policies of large governing bodies. Instead, we recommend that stimulant medication be allowed in high-level sport, following proper diagnosis by a trained professional and a cardiac assessment to confirm no underlying heart conditions. Athletes with ADHD approved to use stimulant medication should be monitored by a health care professional, physically reevaluated and reassessed for ADHD as clinically appropriate and as indicated by relevant sports governing bodies. This performance and health perspective is consistent with that of multiple sport governing bodies who offer therapeutic use. PMID- 29198024 TI - Application of phototrophic biofilms: from fundamentals to processes. AB - Biotechnological production of valuables by microorganisms is commonly achieved by cultivating the cells as suspended solids in an appropriate liquid medium. However, the main portion of these organisms features a surface-attached growth in their native habitats. The utilization of such biofilms shows significant challenges, e.g. concerning control of pH, nutrient supply, and heat/mass transfer. But the use of biofilms might also enable novel and innovative production processes addressing robustness and strength of the applied biocatalyst, for example if variable conditions might occur in the process or a feedstock (substrate) is changed in its composition. Besides the robustness of a biofilm, the high density of the immobilized biocatalyst facilitates a simple separation of the catalyst and the extracellular product, whereas intracellular target compounds occur in a concentrated form; thus, expenses for downstream processing can be drastically reduced. While phototrophic organisms feature a fabulous spectrum of metabolites ranging from biofuels to biologically active compounds, the low cell density of phototrophic suspension cultures is still limiting their application for production processes. The review is focusing on pro- and eukaryotic microalgae featuring the production of valuable compounds and highlights requirements for their cultivation as phototrophic biofilms, i.e. setup as well as operation of biofilm reactors, and modeling of phototrophic growth. PMID- 29198025 TI - Characteristics of polycyclic aromatic hydrocarbons in PM2.5 emitted from different cooking activities in China. AB - Nineteen polycyclic aromatic hydrocarbons (PAHs) in PM2.5 emitted from five different cooking activities were characterized, and their influencing factors were determined. The total quantified particle-bounded PAH concentrations (SigmaPAHs) in the airs from the cooking activities were 4.2-36.5-fold higher than those in corresponding backgrounds. The highest SigmaPAHs were seen in cafeteria frying (783 +/- 499 ng/m3), followed by meat roasting (420 +/- 191 ng/m3), fish roasting (210 +/- 105 ng/m3), snack-street boiling (202 +/- 230 ng/m3), and cafeteria boiling (150 +/- 65 ng/m3). The main influencing factors on the PAH emissions were cooking methods, fat contents in raw materials, and oil consumptions. Four- to six-ringed PAHs had the highest contributions to the SigmaPAHs (avg. 87.5%). Diagnostic ratios of individual PAH were similar between the two charbroiling and other three conventional Chinese cooking methods, respectively, demonstrating the dominance of cooking methods in the PAH emissions. Remarkably high benzo(b)fluoranthene/benzo(k)fluoranthene (BbF/BkF) ratio (8.31) was seen in the snack-street boiling, attributed to the coal combustion as cooking fuel. Both fluoranthene/(fluoranthene + pyrene) [FLT/(FLT + PYR)] and benzo(a)anthracene/(benzo(a)anthracene + chrysene) [BaA/(BaA + CHR)] ratios were higher for the oil-based cooking than those from the water-based ones. In addition, two ratios of indeno(1,2,3-cd)pyrene/(indeno(1,2,3-cd)pyrene + benzo(g,h,i)perylene) [IPY/(IPY + BPE)] and benzo(a)pyrene/(benzo(a)pyrene + benzo(g,h,i)perylene) [BaP/(BaP + BPE)] were higher for two charbroiling than the three conventional Chinese cooking methods. The characterization work in this study is particularly important since cooking is a potential contributor of atmospheric PAHs in urban China. Carcinogenic potencies of PAHs were assessed by comparison with the air quality guideline and health risk estimation. The BaP and BaP equivalent were higher for the oil-based than the water-based cooking activities. PMID- 29198026 TI - The synthetic evaluation of CuO-MnOx-modified pinecone biochar for simultaneous removal formaldehyde and elemental mercury from simulated flue gas. AB - A series of low-cost Cu-Mn-mixed oxides supported on biochar (CuMn/HBC) synthesized by an impregnation method were applied to study the simultaneous removal of formaldehyde (HCHO) and elemental mercury (Hg0) at 100-300 degrees C from simulated flue gas. The metal loading value, Cu/Mn molar ratio, flue gas components, reaction mechanism, and interrelationship between HCHO removal and Hg0 removal were also investigated. Results suggested that 12%CuMn/HBC showed the highest removal efficiency of HCHO and Hg0 at 175 degrees C corresponding to 89%and 83%, respectively. The addition of NO and SO2 exhibited inhibitive influence on HCHO removal. For the removal of Hg0, NO showed slightly positive influence and SO2 had an inhibitive effect. Meanwhile, O2 had positive impact on the removal of HCHO and Hg0. The samples were characterized by SEM, XRD, BET, XPS, ICP-AES, FTIR, and H2-TPR. The sample characterization illustrated that CuMn/HBC possessed the high pore volume and specific surface area. The chemisorbed oxygen (Obeta) and the lattice oxygen (Oalpha) which took part in the removal reaction largely existed in CuMn/HBC. What is more, MnO2 and CuO (or Cu2O) were highly dispersed on the CuMn/HBC surface. The strong synergistic effect between Cu-Mn mixed oxides was critical to the removal reaction of HCHO and Hg0 via the redox equilibrium of Mn4+ + Cu+ <-> Mn3+ + Cu2+. PMID- 29198027 TI - Estimation of sodium adsorption ratio indicator using data mining methods: a case study in Urmia Lake basin, Iran. AB - Water quality is a major concern around the world, particularly in dry climates. Usually, assessment of surface water quality is costly and time-consuming. In this situation, a method which could estimate the water quality accurately with the minimum of hydro-chemical parameters would be appealing. In this study, three data mining methods, namely, M5 model tree, support vector machine (SVM), and Gaussian process (GP), were employed to estimate the sodium adsorption ratio (SAR) indicator in the Shahrchay River located in the west of the Urmia Lake basin, Iran. Results from these methods were compared with an artificial neural network (ANN). Different hydro-chemical parameters were assessed and the most effective parameters were selected. Five combinations of the selected parameters were developed as input parameters to the models. The results indicated that the M5 model tree has a superior performance among the data mining methods, where the combination of sodium and electrical conductivity (Na and EC) is used as input parameters, with a coefficient of determination (R2) = 0.987, root mean squared error (RMSE) = 0.017, mean absolute error (MAE) = 0.012, and mean relative error (MRE) = 5.584. Also, a sensitivity analysis was carried out which reported that the SAR is more sensitive to Na, Ca, and EC, respectively. This research highlights that the M5 model tree can be successfully employed for the estimation of SAR. It also indicates that the practical and simple linear equations and optimization performed with the M5 model tree reduce time and cost. PMID- 29198028 TI - Adverse bioeffect of perfluorooctanoic acid on liver metabolic function in mice. AB - Perfluorooctanoic acid (PFOA), a kind of manufactured material, is widely accumulated around environmental system and into wildlife, including human beings. Toxicologically, PFOA induces hepatomegaly (liver enlargement) in the dose- and time-dependent manners. However, biological mechanism of hepatotoxicity warrants to be further investigated. In the present study, mature male mice were exposed to dosed PFOA for 21 days before conducting biochemical tests and immunoassays. As results, decreased fast blood glucose and elevated insulin contents were observed in PFOA-dosed mice. In addition, PFOA-dosed mice resulted in increased liver functional enzymes (GPT, GOT) in serum. And lipid contents (TG, lipoproteins) in serum and liver were changed abnormally. As shown in immunohistochemistry, increased insulin- and poly (ADP-ribose) polymerase (PARP) positive cells were showed in PFOA-exposed pancreatic tissues. Moreover, CD36 positive cells were increased in PFOA-exposed livers, while ApoB-labeled cells were reduced. Further, immunoblot data showed that hepatocellular fibroblast growth factor 21 (FGF21) in PFOA-exposed liver was down-regulated dose dependently. Taken together, our preliminary findings demonstrated that PFOA induced hepatocellular lipotoxicity may be linked to impairing lipid-regulated proteins, as well as inducing insulin expression from pancreatic tissue. PMID- 29198029 TI - High temperature and pH favor Microcystis aeruginosa to outcompete Scenedesmus obliquus. AB - Competition between cyanobacteria and green algae affects phytoplankton succession and the well-known cyanobacteria blooms. Climate warming and water acidification are two concerned environmental issues changing the freshwater ecosystems. To investigate the competitive responses of phytoplankton to warming and acidification, we co-cultured Microcystis aeruginosa and Scenedesmus obliquus at a temperature range of 15-35 degrees C and a pH range of 5-9. Results showed that S. obliquus was superior competitor at 15 degrees C. At 20-30 degrees C, the populations of both Scenedesmus and Microcystis were inhibited by the presence of each other. S. obliquus was in competitive domination at the initial phase of cultivation, but was finally replaced by M. aeruginosa. Microcystis kept competition advantage at 35 degrees C, whereas Scenedesmus outcompeted Microcystis at acidic conditions (pH <= 6). Neutral and weakly alkaline conditions (pH 7-9) supported the replacement of competition domination from Scenedesmus to Microcystis. The present study revealed that climate warming may accelerate the phytoplankton succession from green algae to cyanobacteria, with the predicted promoted cyanobacteria blooms. Nonetheless, water acidification causes Microcystis to be a weak competitor with green algae, suggesting that the advantageous effect of Microcystis toward green algae at high temperatures was controlled by other variables like the water pH. PMID- 29198030 TI - Adsorptive performance of coal-based magnetic activated carbon for cyclic volatile methylsiloxanes from landfill leachate. AB - Bituminous coal-based magnetic activated carbon (MAC) was prepared, characterized, and used successfully for removal of cyclic volatile methylsiloxanes (cVMSs) from treated landfill leachate. Batch adsorption studies were performed at different adsorption dosages and contact times. With adsorptive dosage of 0.75 g/L and contact time of 60 min, the removal efficiencies achieved by MAC for octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6) are 100, 82.8, and 71.4%, respectively. The specific magnetization coefficients of MAC before and after adsorption are 4.6 * 10-7 and 5.2 * 10-7 m3/kg, between 1.26 * 10-7 and 3.8 * 10-5 m3/kg, which suggests that MAC can be recycled by the high-intensity magnetic separators. PMID- 29198031 TI - Metatranscriptomics analysis of cyanobacterial aggregates during cyanobacterial bloom period in Lake Taihu, China. AB - Molecular mechanism of interaction between the bloom-forming cyanobacterial species and attached microbios within cyanobacterial aggregates has not been elucidated yet and understanding of which would help to unravel the cyanobacteria bloom-forming mechanism. In this study, we profiled the metabolically active community by high-throughput metatranscriptome sequencing from cyanobacterial aggregates during cyanobacterial bloom period in Lake Taihu, China. A total of 308 million sequences were obtained using the HiSeq 2500 sequencing platform, which provided a great sequence coverage to carry out the in-depth taxonomic classification, functional classification, and metabolic pathway analysis of the cyanobacterial aggregates. The results show that bacteria dominated in cyanobacterial aggregates, accounting for more than 96.66% of total sequences. Microcystis was the most abundant genus, accounted for 26.80% of total assigned sequences at the genus level in cyanobacterial aggregates community; however, Proteobacteria (46.20%) was found to be as the most abundant active bacterial populations at the phylum level. More importantly, nitrogen, phosphonate, and phosphinate metabolism which associated with eutrophication were found in this study. Especially, the enzymes and organisms relating to denitrification and anammox of nitrogen metabolism, which reduced nitrogen concentration by reducing nitrate to nitrogen to inhibit the eutrophication, were first discovered in Lake Taihu during cyanobacterial bloom period. The present study provides a snapshot of metatranscriptome for cyanobacterial aggregates in Lake Taihu and demonstrates that cyanobacterial aggregates could play a key role in the nitrogen cycle in eutrophic water. PMID- 29198032 TI - Evolution of natural sea surface films: a new quantification formalism based on multidimensional space vector. AB - Spatial and temporal variability of natural surfactant sea surface film structural parameters were evaluated from force-area isotherms, film pressure temperature isochors, dynamic surface tension-time relations performed on samples collected in Baltic Sea shallow coastal waters. The film structure state was postulated as a 10-D dimensionless vector created from the normalized thermodynamic, adsorptive, and viscoelastic film parameters. The normalization procedure is based on the concept of self-corresponding states known in thermodynamics. The values taken by all the reduced parameters indicated a significant deviation from the reference ideal-2D gas behavior. The exhibited deviations of the surface parameters from the background values of the same thermodynamic state of each film were independent on the film-collecting procedure, sample solvent treatment, and temperature. The structural similarity was expressed quantitatively as a (Cartesian, street, and Czebyszew) distance between two vectors of the analyzed film and the standard one from the database, and appeared to be related to environmental conditions, surface-active organic matter production, and migration in the studied coastal sea region. The most distinctive parameters differing the films were y, M w and E isoth, as established from Czebyszew function application. The proposed formalism is of universal concern and could be applied to any natural water surfactant system (seawater, inland water, rain water, and snowmelt water). PMID- 29198033 TI - All that glitters is not gold - new reconstruction methods using Deauville criteria for patient reporting. PMID- 29198034 TI - Population-level effect of molecular testing and targeted therapy in patients with advanced pulmonary adenocarcinoma: a prospective cohort study. AB - Large cancer centres in the USA demonstrated that molecular diagnosis and targeted therapy improved overall survival of patients with advanced pulmonary adenocarcinoma. We validated this finding in a rural area of Switzerland, served by private practices, community hospitals and a tertiary referral centre. We conducted a prospective cohort study with the Cancer Registry of Central Switzerland, covering 4 cantons and 517,000 inhabitants. All residents newly diagnosed with stage IV pulmonary adenocarcinoma from 2010 to 2014 were enrolled. We obtained information on patients, tumour, molecular testing, therapy and survival. Three hundred forty-eight patients were included in the study. Molecular testing was performed in 279 (80%); 132 (38%) had oncogenic driver mutations: Kirsten rat sarcoma (KRAS, 16%), epidermal growth factor receptor (EGFR, 11%), anaplastic lymphoma kinase (ALK, 5%), human epidermal growth factor receptor 2 (HER2, 2%), B rapidly accelerated fibrosarcoma (BRAF, 1%), rearranged during transfection (RET, 0.5%), MET proto-oncogene (0.5%) and multiple mutations (2%). Fifty-six patients with an oncogenic driver mutation, mostly epidermal growth factor receptor (34) and anaplastic lymphoma kinase (12), received genotype-matched targeted therapy, at least 25 (45%) of whom in a clinical trial or named patient programme. Median overall survival was 18 months for patients with driver mutations and targeted therapy, 8 months for patients with driver mutations and conventional therapy and 10 months for patients with no driver mutation and conventional therapy. For patients with driver mutations and targeted therapy, overall survival was significantly better than that for patients with driver mutations and conventional therapy (HR 0.64, p = 0.04). Rigorous testing combined with optimal access to targeted therapy in clinical trials improved the prognosis of patients with advanced pulmonary adenocarcinoma in Central Switzerland. This effect was mainly driven by therapies targeting epidermal growth factor receptor and anaplastic lymphoma kinase. PMID- 29198035 TI - Favorable response of relapsed/refractory gray-zone lymphoma to brentuximab vedotin. PMID- 29198036 TI - Detection of hepatitis B virus DNA and HBsAg from postmortem blood and bloodstains. AB - A large number of accidental virus infections occur in medical and non-medical workers exposed to infectious individuals and materials. We evaluated whether postmortem blood and bloodstains containing hepatitis B virus (HBV) are infectious. HBV-infected blood and bloodstains were stored for up to 60 days at room temperature and subsequently screened for hepatitis B surface antigen (HBsAg) and HBV DNA. In addition, HBV-positive postmortem blood was added to a cell line and the production of HBV virions was examined over a period of 7 days. HBsAg and HBV DNA were detected in all samples stored for 60 days at room temperature. HBV-positive postmortem blood successfully infected the cell line and progeny viruses were produced for up to 6 days. Thus, it is crucial that due care is taken when handling not only living material infected with HBV, as well as other harmful viruses, but also blood or body fluids from cadavers or medical waste. PMID- 29198037 TI - Gene expression profile and long non-coding RNA analysis, using RNA-Seq, in chicken embryonic fibroblast cells infected by avian leukosis virus J. AB - Avian leukosis virus J (ALVJ) infection induces hematopoietic malignancy in myeloid leukemia and hemangioma in chickens. However, little is known about the mechanisms underpinning the unique pathogenesis of ALVJ. In this study, we investigated the gene expression profiles of ALVJ-infected chicken cells and performed a comprehensive analysis of the long non-coding RNAs (lncRNAs) in CEF cells using RNA-Seq. As a result, 36 differentially expressed lncRNAs and 91 genes (FC > 2 and q-values < 0.05) were identified. Bioinformatics analysis revealed that these differentially expressed genes are involved in the innate immune response. Target prediction analysis revealed that these lncRNAs may act in cis or trans and affect the expression of genes which are involved in the anti viral innate immune responses. Toll-like receptor, RIG-I receptor, NOD-like receptor and JAK-STAT signaling pathways were enriched. Notably, the induced expression of innate immunity genes, including B2M, DHX58, IFI27L2, IFIH1, IRF10, ISG12(2), MX, OAS*A, RSAD2, STAT1, TLR3, IL4I1, and IRF1 (FC > 2 and correlation > 0.95), were highly correlated with the upregulation of several lncRNAs, including MG066618, MG066617, MG066601, MG066629, MG066609 and MG066616. These findings identify the expression profile of lncRNAs in chicken CEF cells infected by ALVJ virus and provide new insights into the molecular mechanisms of ALVJ infection. PMID- 29198038 TI - Photosynthetic gas exchange responses of Swietenia macrophylla King and Melia azedarach L. plantations under drought conditions. AB - BACKGROUND: The environmental stresses caused by climate change have become more severe in recent decades, affecting tree growth and physiology. Tropical forests have great potential for global carbon sequestration. However, they suffer from heavy rainfall and prolonged dry periods due to climate change. Swietenia macrophylla King and Melia azedarach L. are economically valuable trees that are widely planted in southern Taiwan. Plantations are exposed to either prolonged dry periods or heavy rainfall within the seasons of tropical monsoon areas. Photo physiological comparisons may provide information that can improve management of S. macrophylla and M. azedarach plantations in tropical regions. RESULTS: Both species exhibited a midday depression in leaf photosynthesis regardless of the season. The net photosynthetic rate (P N), stomatal conductance (g s), and transpiration rate (E) in the dry season all significantly decreased in both tree species. In addition, M. azedarach used water more efficiently than did S. macrophylla during the dry season, but S. macrophylla had higher P N compared with that in M. azedarach during the wet season. Temperature and vapor pressure deficit influenced P N variation in S. macrophylla and M. azedarach, respectively. Our data suggested that the P N and g s of M. azedarach, but not of S. macrophylla, were linearly correlated during the dry season. The reduction of the leaf area was more sever in M. azedarach than in S. macrophylla, thus preventing water loss more efficiently. CONCLUSIONS: M. azedarach adapted to drought by reducing total leaf area and maintaining higher P N, g s, E, and WUE compared with those measured in S. macrophylla during the dry season. M. azedarach is more drought adaptation and more suitable for both humid and semi humid areas than S. macrophylla, whereas the latter should be limited to more humid areas. PMID- 29198039 TI - Brief Report: Screening Adults with Autism Spectrum Disorder for Anxiety and Depression. AB - Although depression and anxiety are the most common comorbidities in individuals with Autism Spectrum Disorder (ASD), descriptive data for their prevalence among autistic adults are limited. This study provides descriptive data for a cohort of 155 autistic adults (mean age = 27.1 years, SD = 11.9) of average IQ on the short form version of the Depression Anxiety Stress Scales and the Mini Social Phobia Inventory. Also included were 79 non-ASD participants (mean age = 26.2, SD = 10.2) who completed the mini-SPIN. A substantial percentage (39-46%) of autistic adults scored within the 'Moderate' to 'Extremely Severe' range on the DASS-21. The DASS-21 would be a valuable rapid screening device for these comorbid conditions in autistic adults. PMID- 29198040 TI - Mismatch Negativity and P3a in Adolescents and Young Adults with Autism Spectrum Disorders: Behavioral Correlates and Clinical Implications. AB - In a sample of 37 adolescents and young adults with autism spectrum disorder (ASD) and 35 typically-developing controls (TDC), we investigated sensory symptoms by clinical measures, and Mismatch Negativity and P3a component at Fz with the frequency and duration oddball paradigms of event-related potentials. Results showed that compared to TDC, ASD participants reported more sensory symptoms, and presented a shorter P3a peak latency in the duration paradigm, which was correlated with more social awareness deficits. In the frequency paradigm, P3a parameters were correlated with sensation avoiding and attention characteristics of ASD. Our findings suggest that sensory abnormality in ASD may extend into adolescence and young adulthood. P3a latency might be a potential neurophysiological marker for ASD. PMID- 29198041 TI - Ethical considerations on novel neuronal interfaces. AB - Wireless powered implants, each smaller than a grain of rice, have the potential to scan and stimulate brain cells. Further research may lead to next-generation brain-machine interfaces for controlling prosthetics, exoskeletons, and robots, as well as "electroceuticals" to treat disorders of the brain and body. In conditions that can be particularly alleviated with brain stimulation, the use of such mini devices may pose certain challenges. Health professionals are becoming increasingly more accountable in decision-making processes that have impacts on the life quality of individuals. It is possible to transmit such stimulation using remote control principles. Perhaps, the most important concern regarding the use of these devices termed as "neural dust" is represented by the possibility of controlling affection and other mental functions via waves reaching the brain using more advanced versions of such devices. This will not only violate the respect for authority principle of ethics, but also medical ethics, and may potentially lead to certain incidents of varying vehemence that may be considered illegal. Therefore, a sound knowledge and implementation of ethical principles is becoming a more important issue on the part of healthcare professionals. In both the ethical decision-making process and in ethical conflicts, it may be useful to re-appraise the principles of medical ethics. In this article, the ethical considerations of these devices are discussed. PMID- 29198042 TI - Seizure as the unique clinical manifestation of cerebral metastases in a 27-year old man with non-small cell lung cancer. PMID- 29198043 TI - The diagnosis of dementias: a practical tool not to miss rare causes. AB - Dementia represents one of the most diffuse disorders of our Era. Alzheimer's disease is the principle cause of dementia worldwide. Metabolic, infectious, autoimmune, inflammatory, and genetic dementias represent a not negligible number of disorders, with increasing numbers in younger subjects. Due to the heterogeneity of patients and disorders, the diagnosis of dementia is challenging. In the present article, we propose a practical diagnostic approach following the two-step investigation procedure. The first step includes basic blood tests and brain neuroimaging, performed on all patients. After this first line investigation, it is then possible to rule out metabolic causes of dementia and to identify three main subgroups in dementia: predominant gray matter atrophy, white matter disease, basal ganglia pathologies. The predominant gray matter atrophy subgroup includes neurodegenerative causes of dementia and some lysosomal storage disorders. The white matter subgroup indicates a comprehensive list of vascular dementia causes, mitochondrial diseases, and leukodystrophies. Whereas, the basal ganglia alterations are due to metal accumulation pathologies, such as iron, copper, or calcium. Each category has specific clinical hallmarks, accurately reported in the article, and requires specific second-line investigation. Thus, we indicate the distinct second diagnostic step of each disease. The proposed diagnostic flow-chart follows the clinical reasoning and helps clinicians through the differential diagnosis of dementia. PMID- 29198044 TI - Lifestyle factors and social ties associated with the frequency of laughter after the Great East Japan Earthquake: Fukushima Health Management Survey. AB - PURPOSE: Although mental health problems such as depression after disasters have been reported, positive psychological factors after disasters have not been examined. Recently, the importance of positive affect to our health has been recognised. We therefore investigated the frequency of laughter and its related factors among residents of evacuation zones after the Great East Japan Earthquake of 2011. METHODS: In a cross-sectional study on 52,320 participants aged 20 years and older who were included in the Fukushima Health Management Survey in Japan's fiscal year 2012, associations of the frequency of laughter with changes in lifestyle after the disaster, such as a changed work situation, the number of family members, and the number of address changes, and other sociodemographic, psychological, and lifestyle factors were examined using logistic regression analysis. The frequency of laughter was assessed using a single-item question: "How often do you laugh out loud?" RESULTS: The proportion of those who laugh almost every day was 27.1%. Multivariable models adjusted for sociodemographic, psychological, and lifestyle factors demonstrated that an increase in the number of family members and fewer changes of address were significantly associated with a high frequency of laughter. Mental health, regular exercise, and participation in recreational activities were also associated with a high frequency of laughter. CONCLUSION: Changes in lifestyle factors after the disaster were associated with the frequency of laughter in the evacuation zone. Future longitudinal studies are needed to examine what factors can increase the frequency of laughter. PMID- 29198045 TI - Physical and mental health status and their correlations among older wheelchair users with dementia in long-term care facilities. AB - PURPOSE: To investigate the physical health (daily functioning and functional fitness) and mental health (depression and behavioral dysfunction) of older wheelchair users with dementia in long-term care facilities, examine the correlations between physical and mental health, and identify the independent variables of their daily functioning. METHODS: A descriptive correlational method was adopted, which was conducted in six long-term care facilities in three cities, south Taiwan. Participants comprised 98 older wheelchair users with dementia. Data were collected using structured questionnaires (Mini-Mental State Examination, Barthel Index, Cornell Scale for Depression in Dementia, and Clifton Assessment Procedures for the Elderly Behavior Rating Scale) and from functional fitness testing (cardiopulmonary functioning, body flexibility, joint mobility, and muscle strength and endurance). RESULTS: Older adults with dementia who had high depression scores were likely to have more behavioral dysfunctions, poorer performance in shoulder flexion and abduction, and lower upper limb muscle strength and endurance. More behavioral dysfunctions were associated with poorer daily functioning, lung capacity, body flexibility, shoulder flexion, and upper limb muscle strength and endurance. Those with better lung capacity, body flexibility, upper limb muscle strength, and endurance were likely to have high daily functioning scores (all p < .05). The key independent variables associated with daily functioning were behavioral dysfunction, lower body flexibility, and lung capacity, which together explained 59.3% of the total variance. CONCLUSIONS: Further research should develop appropriate activity-based intervention programs for older wheelchair users with dementia to delay their deterioration and promote their physical and mental health. PMID- 29198046 TI - Is treatment of geriatric hip fracture patients cost-covering? Results of a prospective study conducted at a German University Hospital. AB - INTRODUCTION: Hip fractures have increased medical and socio-economic importance due to demographic transition. Information concerning direct treatment costs and their reimbursement in Germany is lacking. MATERIALS AND METHODS: Four hundred two hip fracture patients older than 60 years of age were observed prospectively at a German University Hospital. Treatment costs were determined with up to 196 cost factors and compared to the reimbursement. Finally, statistical analysis was performed to identify clinical parameters influencing the cost-reimbursement relation. RESULTS: Treatment costs were 8853 ? (95% CI 8297-9410 ?), while reimbursement was 8196 ? (95% CI 7707-8772 ?), resulting in a deficit of 657 ? (95% CI 143-1117 ?). Bivariate analysis showed that the cost-reimbursement relation was negatively influenced mainly by higher age, higher ASA score, readmission to the intensive care unit (ICU) and red blood cell transfusion. Adjusted for other parameters, readmission to the ICU was a significant negative predictor (- 2669 ?; 95% CI - 4070 to - 1268 ?; p < 0.001), while age of 60-75 years was a positive predictor for the cost-reimbursement relation (1373 ?; 95% CI 265-2480 ?; p = 0.015). CONCLUSIONS: Treatment of geriatric hip fracture patients in a university hospital in Germany does not seem to be cost-covering. Adjustment of the reimbursement for treatment of complex hip fracture patients should be considered. PMID- 29198047 TI - Medial meniscus grafting restores normal tibiofemoral contact pressures. AB - BACKGROUND: Tissue excision in the setting of a meniscal tear has been shown to dramatically increase peak contact stresses in the affected tibiofemoral joint compartment, leading to the development of degenerative changes and osteoarthritis. PURPOSE/HYPOTHESIS: The current in vitro study utilized a porcine model to evaluate the effectiveness of segmental medial meniscal grafting following partial meniscectomy. The study hypothesis was that the procedure would normalize medial tibofemoral joint compartment pressure magnitudes, areas, and locations relative to an intact meniscus. STUDY DESIGN: Controlled laboratory study. METHODS: Using pressure film, medial tibiofemoral joint compartment peak, and mean pressure magnitudes, peak pressure location and peak pressure area were determined using 12 potted, fresh frozen, porcine knee specimens. Data were collected at three different knee flexion angles (90 degrees , 45 degrees , and 0 degrees ) for three conditions: intact medial meniscus, following resection of the central third of the medial meniscus, and following segmental medial meniscal grafting. For each condition, the potted femur was positioned horizontally in a bench vise clamp, while a 20 pound (88.96 N) axial compression force was manually applied for a 60 s duration by the primary investigator through the base of the potted tibia using a digital force gauge. RESULTS: Loss of the central 1/3 of the medial meniscus resulted in significant increases in the mean and peak pressures of the medial tibiofemoral joint compartment and decreased peak pressure area. Segmental meniscal grafting of the central third defect closely recreated the contact pressures and loading areas of the native, intact medial meniscus. CONCLUSION: From a static, time zero biomechanical perspective, segmental medial meniscus grafting of a partially meniscectomized knee restored mean pressure, peak pressure, and mean peak contact pressure areas of the medial tibiofemoral joint compartment back to levels observed in the intact medial meniscus at different knee flexion angles. In-vivo analysis under dynamic conditions is necessary to verify the healing efficacy and ability of the healed segmental medial meniscal allograft to provide long-term knee joint homeostasis when confronted with dynamic shear, rotatory, and combined, higher magnitude physiologic loading forces. PMID- 29198048 TI - Magnesium in Breast Cancer: What Is Its Influence on the Progression of This Disease? AB - Breast cancer is a disease of high mortality, characterized by the progressive accumulation of mutations that contribute to the uncontrolled development of breast tissue cells. Literature shows that disturbances in mineral homeostasis, such as magnesium, may interfere with tumor progression. The objective of this study is to provide updated information about magnesium's role in the pathogenesis of breast cancer. A review of literature was carried out from a search for articles in the PubMed and CAPES Periodicals databases published between 1995 and 2016 with the cross-references of the descriptors "magnesium," "breast neoplasms," and "oxidative stress" and the corresponding words in Portuguese. We included studies on the metabolism and bioavailability of magnesium and studies related to breast cancer and excluded articles in which only the abstract was available, dissertations, theses, articles involving adjuvant and/or neoadjuvant therapies, and supplementation of minerals in breast cancer patients. Magnesium is a mineral that participates in the metabolism of various nutrients and nucleic acids. In the presence of breast cancer, neoplastic cells increase the expression of magnesium transport channels, which raises the intracellular concentration of the mineral, contributing to tumor growth through its function of increasing energy demand. The data obtained in this review illustrates the influence of magnesium on the progression of breast cancer. However, the existing data are scarce and inconsistent, which demonstrates a need for further studies on the subject with a goal to have better control of the disease. PMID- 29198049 TI - Voces de la frontera/Voices from the Border: Using Case Studies of Pregnancy, Birth and Parenting along the U.S.-Mexico Border to Identify Shared Measures of Success. AB - Purpose This research analyzes the cases of five women living along the U.S. Mexico border who overcame challenges during pregnancy or parenting with the support of a federally funded Healthy Start program, designed to eliminate disparities in perinatal health in disadvantaged communities with the poorest birth outcomes. Study objectives were to: (1) identify common factors that affect healthy maternal and child outcomes for Healthy Start participants; and (2) identify a shared definition of what success looks like for Healthy Start participants and opportunities for further study. Description Five border Healthy Start sites (CA, AZ, NM, and TX) contributed case stories from participants who had overcome access barriers to achieve positive pregnancy, birth or parenting outcomes. Case studies were collected using review of successful participant cases and non-structured interviews by Healthy Start staff, and analyzed using participatory methods and thematic analysis. Assessment Common barriers were: lack of insurance; isolation or unsupportive family relationships; timidness and lack of self-advocacy. Healthy Start programs have been successful in securing supportive relationships through the community health worker model; reducing isolation; obtaining insurance access and a medical home; building self-advocacy skills; and supporting participants to pursue their goals. Conclusion Identified barriers are in line with available literature on health care access and provide a U.S.-Mexico border-specific view. The Healthy Start model is effective at helping women to overcome barriers. Learning from this research may contribute to development of shared measures for more impactful evaluation of Healthy Start and similar programs. PMID- 29198050 TI - Oral Health Coverage Options for Pregnant Adults and Adolescents. AB - Oral health care is a necessary and critical component of health care for pregnant women, but its importance is often overlooked by clinicians. Pregnant women who are low-income also find it particularly difficult to access care. This analytic essay summarizes oral health coverage for pregnant women under various types of health insurance coverage, including Medicaid, the Children's Health Insurance Program, and coverage options available under the Affordable Care Act. We hope this information will help clinicians better understand the importance of oral health care during pregnancy and the range of coverage options that may be available to their patients. PMID- 29198051 TI - Doula Services Within a Healthy Start Program: Increasing Access for an Underserved Population. AB - PURPOSE: Women of color in the United States, particularly in high-poverty neighborhoods, experience high rates of poor birth outcomes, including cesarean section, preterm birth, low birthweight, and infant mortality. Doula care has been linked to improvements in many perinatal outcomes, but women of color and low-income women often face barriers in accessing doula support. DESCRIPTION: To address this issue, the New York City Department of Health and Mental Hygiene's Healthy Start Brooklyn introduced the By My Side Birth Support Program in 2010. The goal was to complement other maternal home-visiting programs by providing doula support during labor and birth, along with prenatal and postpartum visits. Between 2010 and 2015, 489 infants were born to women enrolled in the program. ASSESSMENT: Data indicate that By My Side is a promising model of support for Healthy Start projects nationwide. Compared to the project area, program participants had lower rates of preterm birth (6.3 vs. 12.4%, p < 0.001) and low birthweight (6.5 vs. 11.1%, p = 0.001); however, rates of cesarean birth did not differ significantly (33.5 vs. 36.9%, p = 0.122). Further research is needed to explore possible reasons for this finding, and to examine the influence of doula support on birth outcomes among populations with high rates of chronic disease and stressors such as poverty, racism, and exposure to violence. However, feedback from participants indicates that doula support is highly valued and helps give women a voice in consequential childbirth decisions. CONCLUSION: Available evidence suggests that doula services may be an important component of an effort to address birth inequities. PMID- 29198052 TI - Melanoma brain metastases harboring BRAF V600K or NRAS mutations are associated with an increased local failure rate following conventional therapy. AB - Studies on melanoma brain metastases (MBM) with regard to mutational status are lacking. We investigated the outcomes of MBM in molecularly characterized patients for BRAF and NRAS mutations receiving conventional treatment. We investigated associations between outcomes [competing risk of local and distant brain failure (LF, DF) and overall survival (OS)] and clinical/pathological features of patients with known mutation status following initial treatment of MBM. Competing risk analysis was performed using the methods of Fine and Gray. We identified 235 patients with MBM diagnosed from 2005 to 2011. Mutation prevalence was BRAF non-V600K 98 (42%), BRAF V600K 34 (14%), NRAS 43 (18%), and wild-type for both genes (WT) 60 (26%) patients. Six month cumulative incidence LF rates were 3% for combined SRS or surgery with adjuvant radiation, 18% for surgery, 18% for SRS, 60% for WBRT, and 67% for systemic therapy. On multivariate analysis, only mutation status and initial treatment type were found to be independent predictors of local control. As compared to WT, NRAS (HR 2.58, 95% CI 1.18-5.67, p = 0.02) and BRAF V600K (HR 2.83, 95% CI 1.23-6.47, p = 0.01) mutational status were statistically significant while BRAF non-V600K status was not statistically significant (p = 0.23). Mutation status was not associated with DF or OS. BRAF V600K and NRAS mutation status predict increased LF following conventional treatments for MBM. These data can inform the design and interpretation of future MBM trials. PMID- 29198053 TI - Diffuse intrinsic pontine gliomas (DIPG) at recurrence: is there a window to test new therapies in some patients? AB - Children with diffuse intrinsic pontine glioma (DIPG) need new and more efficient treatments. They can be developed at relapse or at diagnosis, but therefore they must be combined with radiotherapy. Survival of children after recurrence and its predictors were studied to inform the possibility to design early phase clinical trials for DIPG at this stage. Among 142 DIPG patients treated between 1998 and 2014, 114 had biopsy-proven DIPG with histone H3 status available for 83. We defined as long survivors' patients who survived more than 3 months after relapse which corresponds to the minimal life expectancy requested for phase I/II trials. Factors influencing post-relapse survival were accordingly compared between short and long-term survivors after relapse. Fifty-seven percent of patients were considered long survivors and 70% of them had a Lansky Play Scale (LPS) above 50% at relapse. Patients who became steroids-independent after initial treatment for at least 2 months had better survival after relapse (3.7 versus 2.6 months, p = 0.001). LPS above 50% at relapse was correlated with better survival after relapse (3.8 versus 1.8 months, p < 0.001). Patients with H3.1 mutation survived longer after relapse (4.9 versus 2.7 months, p = 0.007). Patients who received a second radiotherapy at the time of relapse had an improved survival (7.5 versus 4 months, p = 0.001). In the two-way ANOVA analysis, steroid-independence and LPS predicted survival best and the type of histone H3 (H3.1 or H3.3) mutated did not improve prediction. Survival of many DIPG patients after relapse over 3 months would make possible to propose specific trials for this condition. Steroid independence, H3 mutation status and LPS should be considered to predict eligibility. PMID- 29198054 TI - A case of unusually long survival after leptomeningeal carcinomatosis diagnosis. PMID- 29198055 TI - Phase II study of buparlisib (BKM120) and trastuzumab in patients with HER2+ locally advanced or metastatic breast cancer resistant to trastuzumab-based therapy. AB - PURPOSE: A Phase Ib study in patients with trastuzumab-resistant, human epidermal growth factor receptor-2- (HER2)-positive advanced breast cancer defined the recommended Phase II dose of buparlisib as 100 mg/day in combination with 2 mg/kg weekly trastuzumab, and reported preliminary signs of clinical activity. Here we present results from the Phase II portion. METHODS: Patients with trastuzumab resistant, HER2-positive advanced breast cancer received buparlisib plus trastuzumab. Study endpoints included safety/tolerability and antitumour activity. The study was extended to include a Phase Ib dose-escalation phase, in which patients with progressive brain metastases also received capecitabine. RESULTS: In the Phase II portion, of 50 patients treated with buparlisib and trastuzumab, the most common (>= 30%) all-grade adverse events (AEs) were diarrhoea (54%), nausea (48%), decreased appetite, increased alanine aminotransferase (36% each), increased aspartate aminotransferase (34%), fatigue, rash (32% each), cough and hyperglycemia (30% each). One (2%) patient achieved complete response and four (8%) patients had confirmed partial responses [PR; including two patients with phosphatidylinositol 3-kinase (PI3 K) pathway activated tumours]. Overall response rate (ORR) was 10%: the primary endpoint (ORR >= 25%) was therefore not met. In the Phase Ib portion, all patients with measurable brain lesions at baseline showed tumour shrinkage to some degree; due to low enrollment, maximum tolerated dose of buparlisib in combination with trastuzumab and capecitabine was not determined. CONCLUSION: Buparlisib plus trastuzumab, as a chemotherapy-free regimen, demonstrated an acceptable safety profile but limited efficacy in patients with heavily pretreated, trastuzumab resistant HER2-positive breast cancer, and in patients with progressive brain metastases also receiving capecitabine. PMID- 29198056 TI - Clinical impact of recovery room on post-operative walking performance in elderly patients submitted to hip surgery: a real-world analysis. AB - BACKGROUND: Strategies aimed at favouring functional recovery after surgery for hip fracture may be of clinical importance. AIMS: To test the clinical utility of a recovery room (RR) in terms of postoperative walking performance in an elderly population submitted to hip fracture surgery. METHODS: Postoperative walking performance at rollator was assessed in 242 consecutive orthogeriatric patients able to follow the institutional physiotherapy protocol starting on day 1 after hip surgery. Group 1 (n = 186, age 86.0 +/- 9.3 years, 24.7% male) was admitted to the RR for postoperative monitoring, whereas Group 2 (n = 56, age 85.2 +/- 5.7 years, 23.2% male) was directly admitted to the ward. The best performance observed during the first three postoperative days was considered. RESULTS: Group 1 showed a better walking performance than Group 2, with a 50% lower probability of walking < 5 m (relative risk 0.51, p = 0.0005) and a two-fold higher probability of walking > 10 m (relative risk 2.10, p = 0.0005). Multivariable analysis confirmed a favourable independent effect of the RR stay on walking performance (beta = 0.205, p = 0.005). DISCUSSION: Admission to the RR in elderly patients submitted to hip fracture surgery could have an independent beneficial effect on postoperative walking functional recovery. This beneficial effect could probably depend on the possibility of ensuring a more rapid management of postoperative issues CONCLUSIONS: These findings support the clinical utility of a RR implementation in facilities where hip surgery in elderly subjects is routinely performed. PMID- 29198057 TI - Acceptability of physical activity monitoring in older adults undergoing inpatient rehabilitation. AB - BACKGROUND: There is little research into interventions to increase activity levels of hospitalised older adults. AIMS: To assess the feasibility of using a physical activity monitor (PAL2) in hospitalized older adults and the effect of group exercise on activity levels. METHODS: Participants were hospitalized, ambulant adults >= 65 years randomized to individual physical therapy alone or combined with a high intensity exercise group and wore the PAL2 for five consecutive days. RESULTS: Only 33% of eligible participants agreed to participate with 19/30 (63%) complete data sets obtained; physical activity levels were low regardless of intervention. CONCLUSION: Acceptability of physical activity monitoring in hospitalized older adults was low and physical activity levels of those monitored was low across groups. To improve monitor compliance, future studies may consider excluding patients with specific comorbidities that impact on wear time, or selection of an alternative monitor. PMID- 29198058 TI - Analyzing gait variability and dual-task interference in patients with Parkinson's disease and freezing by means of the word-color Stroop test. AB - The ability to carry out two tasks at once is critical to effective functioning in the real world and deficits are termed Dual-task interference or effect-DTE. DTE substantially compromised the gait of subjects with Parkinson's disease and freezing of gait (PD + FOG), leading to exaggerated slowing, increasing gait dysrhythmicity, and inducing FOG episodes. This study aimed to investigate the DTE in gait variability of subjects with PD and freezing of gait (PD + FOG). Thirty-three patients with PD + FOG and 14 healthy individuals (REFERENCE) took part at this study. Two gait conditions were analyzed: usual walking (single task) and walking while taking the word-color Stroop test (dual task). The computed variables were as follows: gait velocity, step length, step timing, gait asymmetry, variability measures and DTE of each variable. The PD + FOG group has presented negative DTE values for all analyzed variables, indicating dual task cost. The REFERENCE group has presented dual-task benefits for step length standard deviation and step time. Differences between both groups and conditions were found for all variables, except for step time. Taking the word-color Stroop test while walking led to a larger dual-task cost in subjects with PD + FOG. PMID- 29198059 TI - Metabolic effects of physiological levels of caffeine in myotubes. AB - Caffeine has been shown to stimulate multiple major regulators of cell energetics including AMP-activated protein kinase (AMPK) and Ca2+/calmodulin-dependent protein kinase II (CaMKII). Additionally, caffeine induces peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1alpha) and mitochondrial biogenesis. While caffeine enhances oxidative metabolism, experimental concentrations often exceed physiologically attainable concentrations through diet. This work measured the effects of low-level caffeine on cellular metabolism and gene expression in myotubes, as well as the dependence of caffeine's effects on the nuclear receptor peroxisome proliferator-activated receptor beta/delta (PPARbeta/delta). C2C12 myotubes were treated with various doses of caffeine for up to 24 h. Gene and protein expression were measured via qRT-PCR and Western blot, respectively. Cellular metabolism was determined via oxygen consumption and extracellular acidification rate. Caffeine significantly induced regulators of mitochondrial biogenesis and oxidative metabolism. Mitochondrial staining was suppressed in PPARbeta/delta-inhibited cells which was rescued by concurrent caffeine treatment. Caffeine-treated cells also displayed elevated peak oxidative metabolism which was partially abolished following PPARbeta/delta inhibition. Similar to past observations, glucose uptake and GLUT4 content were elevated in caffeine-treated cells, however, glycolytic metabolism was unaltered following caffeine treatment. Physiological levels of caffeine appear to enhance cell metabolism through mechanisms partially dependent on PPARbeta/delta. PMID- 29198060 TI - No major role of norepinephrine transporter gene variations in the cardiostimulant effects of MDMA. AB - PURPOSE: Methylenedioxymethamphetamine (MDMA, ecstasy) is used recreationally and frequently leads to sympathomimetic toxicity. MDMA produces cardiovascular and subjective stimulant effects that were shown to partially depend on the norepinephrine transporter (NET)-mediated release of norepinephrine and stimulation of alpha1-adrenergic receptors. Genetic variants, such as single nucleotide polymorphisms (SNPs), of the NET gene (SLC6A2) may explain interindividual differences in the acute stimulant-type responses to MDMA in humans. METHODS: We characterized the effects of common genetic variants of the SLC6A2 gene (rs168924, rs47958, rs1861647, rs2242446, and rs36029) on cardiovascular and subjective stimulation after MDMA administration in 124 healthy subjects in a pooled analysis of eight double-blind, placebo-controlled studies. RESULTS: Carriers of the GG genotype of the SLC6A2 rs1861647 SNP presented higher elevations of heart rate and rate-pressure product after MDMA than subjects with one or no G alleles. Subjects with a C allele in the SLC6A2 rs2242446 SNP presented higher elevations of the heart rate after MDMA administration compared with the TT genotype. Subjects with the AA genotype of the SLC6A2 rs36029 SNP presented higher elevations of mean arterial pressure and rate pressure product after MDMA administration than carriers of the G allele. The SLC6A2 rs168924 and rs47958 SNPs did not alter the response to MDMA. CONCLUSIONS: Genetic polymorphisms of the SLC6A2 gene weakly moderated the acute cardiovascular response to MDMA in controlled studies and may play a minor role in adverse cardiovascular events when MDMA is used recreationally. PMID- 29198061 TI - Development and pilot testing of PHARAO-a decision support system for pharmacological risk assessment in the elderly. AB - PURPOSE: The aims of this study are to describe the development of PHARAO (Pharmacological Risk Assessment Online), a decision support system providing a risk profile for adverse events, associated with combined effects of multiple medicines, and to present data from a pilot study, testing the use, functionality, and acceptance of the PHARAO system in a clinical setting. METHODS: About 1400 substances were scored in relation to their risk to cause any of nine common and/or serious adverse effects. Algorithms for each adverse effect score were developed to create individual risk profiles from the patient's list of medication. The system was tested and integrated to the electronic medical record, during a 4-month period in two geriatric wards and three primary healthcare centers, and a questionnaire was answered by the users before and after the test period. RESULTS: A total of 732 substances were tagged with one or more of the nine risks, most commonly with the risk of sedation or seizures. During the pilot, the system was used 933 times in 871 patients. The most common signals generated by PHARAO in these patients were related to the risks of constipation, sedation, and bleeding. A majority of responders considered PHARAO easy to use and that it gives useful support in performing medication reviews. CONCLUSIONS: The PHARAO decision support system, designed as a complement to a database on drug-drug interactions used nationally, worked as intended and was appreciated by the users during a 4-month test period. Integration aspects need to be improved to minimize unnecessary signaling. PMID- 29198062 TI - An evaluation of four modes of low-dose anticoagulation during intermittent haemodialysis. AB - INTRODUCTION: Intensive care participants that need dialysis frequently suffer from increased risk of bleeding. Standard intermittent haemodialysis (SHD) includes anticoagulation to avoid clotting of the dialysis system. The aim of this study was to clarify which of four different low-dose anticoagulant modes was preferable in reducing the exposure to i.v. unfractionated heparin (heparin) and maintaining patency of the dialysis circuit. METHODS: Twenty-three patients on SHD were included to perform haemodialysis with four modes of low-dose anticoagulation. For comparative analyses, patients served as their own control. Haemodialysis with a single bolus of tinzaparin at the start was compared to haemodialysis initiated without i.v. heparin but priming with (1) heparin in saline (H), (2) heparin and albumin in saline (HA), (3) heparin and albumin in combination with a citrate-containing dialysate (HAC), (4) saline and usinga heparin-coated filters (Evodial(r)). The priming fluid was discarded before dialysis started. Blood samples were collected at 0, 30 and 180 min during haemodialysis. Smaller bolus doses of heparin (500 Units/dose) were allowed during the modes to avoid interruption by clotting. FINDINGS: The mean activated partial thromboplastin (APTT) time as well as the doses of anticoagulation administered was highest with SHD and least with HAC and Evodial(r). Mode H versus SHD had the highest rate of prematurely interrupted dialyses (33%, p = 0.008). The urea reduction rate was less with Evodial(r) vs. SHD (p < 0.01). One hypersensitivity reaction occurred with Evodial(r). Changes in blood cell concentrations and triglycerides differed between the modes. DISCUSSION: If intermittent haemodialysis is necessary in patients at risk of bleeding, anticoagulation using HAC and Evodial(r) appeared most preferable with least administration of heparin, lowest APTT increase and lowest risk for prematurely clotted dialyzers in contrast to the least plausible H mode. PMID- 29198063 TI - Baclofen in gamma-hydroxybutyrate withdrawal: patterns of use and online availability. AB - PURPOSE: Gamma-hydroxybutyrate (GHB) withdrawal is a life-threatening condition that does not always respond to standard treatment with benzodiazepines. Baclofen has potential utility as a pharmacological adjunct and anecdotal reports suggest that it is being used by drug users to self-manage GHB withdrawal symptoms. Here, we investigate current patterns of use and the online availably of baclofen. METHODS: Data triangulation techniques were applied to published scientific literature and publicly accessible Internet resources (grey literature) to assess the use of baclofen in GHB withdrawal. An Internet snapshot survey was performed to identify the availability of baclofen for online purchase and the compliance of retailers with the UK regulations. Data were collected according to pre defined criteria. RESULTS: A total of 37 cases of baclofen use in GHB withdrawal were identified in the scientific literature, as well as 51 relevant discussion threads across eight Internet forums in the grey literature. Baclofen was available to purchase from 38 online pharmacies, of which only one conformed to the UK regulations. CONCLUSIONS: There is limited published evidence on the use of baclofen in GHB withdrawal, but both scientific and grey literature suggests clinical utility. Online pharmacies are readily offering prescription-only medication without prescription and due to inadequate regulation, pose a danger to the public. PMID- 29198064 TI - Claiming desmopressin therapeutic equivalence in children requires pediatric data: a population PKPD analysis. AB - PURPOSE: For a new formulation of a drug, only pharmacokinetic bioequivalence with the original formulation has to be demonstrated in healthy, young adults. However, "children are not small adults," and to guarantee a safe and effective treatment, age-adapted drug development is required. Desmopressin, a vasopressin analogue prescribed for nocturnal enuresis in children, was studied as an example formulation first developed in adults and then extrapolated to a pediatric indication. METHODS: Population pharmacokinetic and pharmacodynamic modeling was used to analyze previously published desmopressin data of 18 children suffering from nocturnal enuresis. The main objective was the comparison of the therapeutic equivalence of two desmopressin formulations: tablet and lyophilisate. The measurements for pharmacokinetics and pharmacodynamics were respectively plasma desmopressin concentration and urine osmolality and diuresis. RESULTS: The half maximal inhibitory concentration for inhibition of urine production was 0.7 pg/mL lower for the lyophilisate than for the tablet. The effect of formulation on the half maximal inhibitory concentration seems to suggest that the 120-MUg lyophilisate has a more pronounced effect on the urine volume and osmolality than the 200-MUg tablet, even when the same exposure is achieved. CONCLUSIONS: A new indirect response model for desmopressin was constructed and validated, using a previously built pharmacokinetic model and additional pharmacodynamic data. In order to draw solid conclusions regarding the efficacy and safety of desmopressin in children, pharmacokinetics and pharmacodynamics data should be analyzed together. This study adds proof to potential differences in pediatric and adult pharmacokinetic and pharmacodynamic properties of desmopressin and exemplifies the need for pediatric clinical trials, not only for every new drug but also for every new formulation. PMID- 29198066 TI - Agelamasines A and B, diterpene alkaloids from an Okinawan marine sponge Agelas sp. AB - Two new diterpene alkaloids having an N-methyladenine moiety, agelamasines A (1) and B (2), were isolated from an Okinawan marine sponge Agelas sp. The structures of 1 and 2 were elucidated on the basis of spectroscopic analyses. Agelamasine A (1) is the first diterpene alkaloid with a rearranged (4 -> 2)-abeo-clerodane skeleton from a marine source, while agelamasine B (2) is a clerodane diterpene alkaloid. PMID- 29198065 TI - Pretargeting of internalizing trastuzumab and cetuximab with a 18F-tetrazine tracer in xenograft models. AB - BACKGROUND: Pretargeting-based approaches are being investigated for radioimmunoimaging and therapy applications to reduce the effective radiation burden to the patient. To date, only a few studies have used short-lived radioisotopes for pretargeting of antibodies, and such examples with internalizing antibodies are even rarer. Herein, we have investigated pretargeting methodology using inverse electron-demand Diels-Alder (IEDDA) for tracing two clinically relevant, internalizing monoclonal antibodies, cetuximab and trastuzumab. RESULTS: Bioorthogonal reaction between tetrazine and trans cyclooctene (TCO) was used for tracing cetuximab and trastuzumab in vivo with a fluorine-18 (t 1/2 = 109.8 min) labelled tracer. TCO-cetuximab or TCO-trastuzumab was administered 24, 48, or 72 h prior to the injection of tracer to A431 or BT 474 tumour-bearing mice, respectively. With cetuximab, the highest tumour-to blood ratios were achieved when the lag time between antibody and tracer injections was 72 h. With trastuzumab, no difference was observed between different lag times. For both antibodies, the tumour could be clearly visualized in the PET images with the highest tumour uptake of 3.7 +/- 0.1%ID/g for cetuximab and 1.5 +/- 0.1%ID/g for trastuzumab as quantified by ex vivo biodistribution. In vivo IEDDA reaction was observed in the blood for both antibodies, but with trastuzumab, this was to a much lower degree than with cetuximab. CONCLUSIONS: We could successfully visualize the tumours by using cetuximab and trastuzumab in pretargeted PET imaging despite the challenging circumstances where the antibody is internalized and there is still some unbound antibody circulating in the blood flow. This clearly demonstrates the potential of a pretargeted approach for targeting internalizing antigens and warrants development of pharmacokinetic optimization of the biorthogonal reactants to this end. PMID- 29198067 TI - Bacterial perspectives on the dissemination of antibiotic resistance genes in domestic wastewater bio-treatment systems: beneficiary to victim. AB - Domestic wastes, ranging from sewage and sludge to municipal solid waste, are usually treated in bioprocessing systems. These systems are regarded as main conduits for the elevated levels of antibiotic resistance genes (ARGs) observed in the environment. This paper mainly reviews recent studies on the occurrence and dynamics of ARGs in wastewater bio-treatment systems and discusses the ins and outs of ARG dissemination from the perspective of the microbial community. Our analysis shows that concentration of antibiotics through adsorption to microbial aggregates triggers the bacteria to acquire ARGs, which can be facilitated by the presence of mobile genetic elements. Notably, the acquisition and flow of ARGs during the rapid dissemination process is directed towards and for the best interests of the microbial community as a whole, and is influenced by surrounding nutrient levels, toxicant types, and sensitivities of the species in the prevailing antibiotic-stressed conditions. Furthermore, our review argues that predation of ARG-carrying bacteria by bacteriophages does periodically enhance the accessibility of ARGs to bacteria, which indirectly facilitates the recruitment of ARGs into environmental microbial communities. PMID- 29198068 TI - Fibroblast growth factor 9 subfamily and the heart. AB - The fibroblast growth factor (FGF) 9 subfamily is a member of the FGF family, including FGF9, 16, and 20, potentially sharing similar biochemical functions due to their high degree of sequence homology. Unlike other secreted proteins which have a cleavable N-terminal secreted signal peptide, FGF9/16/20 have non-cleaved N-terminal signal peptides. As an intercellular signaling molecule, they are involved in a variety of complex responses in animal development. Cardiogenesis is controlled by many members of the transcription factor family. Evidence suggests that FGF signaling, including the FGF9 subfamily, has a pretty close association with these cardiac-specific genes. In addition, recent studies have shown that the FGF9 subfamily maintains functional adaptation and survival after myocardial infarction in adult myocardium. Since FGF9/16/20 are secreted proteins, their function characterization in cardiac regeneration can promote their potential to be developed for the treatment of cardioprotection and revascularization. Here, we conclude that the FGF9 subfamily roles in cardiac development and maintenance of postnatal cardiac homeostasis, especially cardiac function maturation and functional maintenance of the heart after injury. PMID- 29198069 TI - Does metformin exposure before ICU stay have any impact on patients' outcome? A retrospective cohort study of diabetic patients. AB - BACKGROUND: Impact of metformin exposure before ICU stay remains controversial. Metformin is thought to induce lactic acidosis and haemodynamic instability but may reduce ICU mortality. We evaluated its influence on outcome in diabetic patients admitted in the ICU and then compared two different populations based on the presence of septic shock. METHODS: We conducted a retrospective cohort study in a 24-bed French ICU between October 2010 and December 2013, including all ICU admitted diabetic patients. RESULTS: Among 635 diabetic patients admitted during the study period, 131 (21%) were admitted with septic shock. Multivariate analysis showed no difference in hospital mortality in all metformin users (OR 0.75 [95% CI 0.44-1.28]; p = 0.29), except in the septic shock subgroup (OR 0.61; 95% CI [0.37-0.99]; p = 0.04) despite higher vasopressor dosages in the first hours after shock onset. Blood lactate level was higher in metformin users than in non-metformin users in all patients (p < 0.001), in septic shock patients (p < 0.001) and in patients without kidney injury (p < 0.001). Metformin users did not have more septic shock from unknown aetiology (p = 0.65) or unknown pathogen (p = 0.99). CONCLUSIONS: Metformin use before admission to ICU did not affect in hospital mortality. However, for patients with septic shock, mortality was lower, despite worse clinical presentation on admission. Blood lactate levels were always higher with or without septic shock and indifferent of kidney function. PMID- 29198071 TI - A rare case of a molecular "adult-type" diffuse astrocytoma arising in a child. PMID- 29198070 TI - Sugar Detection Threshold After Laparoscopic Sleeve Gastrectomy in Adolescents. AB - INTRODUCTION: Obesity in young people is one of the most serious public health problems worldwide. Moreover, the mechanisms preventing obese adolescents from losing and maintaining weight loss have been elusive. Laparoscopic sleeve gastrectomy (LSG) is successful at achieving long-term weight loss in patients across all age groups, including children and adolescents. Anecdotal clinical observation as well as evidence in rodents suggests that LSG induces a shift in preference of sugary foods. However, it is not known whether this shift is due to a change in the threshold for gustatory detection of sucrose, or whether LSG induces behavioral change without affecting the gustatory threshold for sugar. AIMS: The objective of this study was to determine whether adolescents who undergo LSG experience a change in their threshold for detecting sweet taste. METHODS: We studied the sucrose detection threshold of 14 obese adolescents (age 15.3 +/- 0.5 years, range 12-18) who underwent LSG 2 weeks before surgery and at 12 and 52 weeks after surgery. Matched non-surgical subjects were tested on two occasions 12 weeks apart to control for potential learning of the test that may have confounded the results. Seven sucrose concentrations were used and were tested in eight blocks with each block consisting of a random seven sucrose and seven water stimuli. The subjects were asked to report whether the sample contained water or not after they tasted 15 ml of the fluid for 10 s. RESULTS: The bodyweight of the LSG group decreased from 136.7 +/- 5.4 to 109.6 +/- 5.1 and 86.5 +/- 4.0 kg after 12 and 52 weeks, respectively (p < 0.001). There was no significant difference after surgery in taste detection threshold of patients after LSG (p = 0.60), and no difference was observed comparing the taste detection threshold of the LSG group with the non-surgical controls (p = 0.38). CONCLUSION: LSG did not affect the taste detection threshold for sucrose, suggesting that the shift in preference for sugary foods may be due to factors other than fundamental changes in taste sensitivity. PMID- 29198072 TI - PRES in the course of hemato-oncological treatment in children. AB - INTRODUCTION: Posterior reversible leukoencephalopathy syndrome (PRES) is a clinical syndrome of varying aetiologies, characterised by acute neurological symptoms of brain dysfunction with MRI abnormalities in posterior cerebral white and grey matter. In most cases, symptoms resolve without neurological consequences. AIM: The aim of this paper is the analysis of predisposing factors, clinical outcomes and radiological features of PRES in eight children with hemato oncological disease. MATERIAL AND METHODS: We analysed the medical records of eight hemato-oncological patients aged from 3.0 to 16.1 years. The mean of age at primary diagnosis was 8.5 years. RESULTS: All patients had both clinical and radiological PRES features. Seven out of eight underwent intensive chemotherapy regimens. Time elapsed from start of treatment to the occurrence of PRES ranged from 6 to 556 days. In one case, PRES occurred before chemotherapy and was the first symptom of cancer. Most (six of eight) patients had history of hypertension (> 95pc) and some (two of eight) occurred electrolyte imbalance-mainly hypomagnesaemia. Patients presented headache (seven of eight), disturbances of consciousness (six of eight), seizures (six of eight), visual changes (four of eight) and vomiting (three of eight). MRI demonstrated abnormalities in seven children: typical cerebral oedema in the white matter of the occipital to the parietal lobes. Most patient lesions in the MRI shrunk after 4 weeks, and clinical symptoms of PRES disappeared completely within a few hours to few days. CONCLUSION: PRES may complicate oncological treatment in children. Hypertension is the most important risk factor of PRES. PRES should be included in differential diagnosis in all patients with acute neurological symptoms. PMID- 29198073 TI - Apert syndrome: magnetic resonance imaging (MRI) of associated intracranial anomalies. AB - INTRODUCTION: Apert syndrome is one of the most common craniosynostosis syndrome caused by mutations in genes encoding fibroblast growth factor receptor 2 (FGFR2). It is characterized by multisuture craniosynostosis, midfacial hypoplasia, abnormal skull base development and syndactyly of all extremities. Apert syndrome is associated with a wide array of central nervous system (CNS) anomalies, possibly the cause of the common occurrence of mental deficiency in patients with Apert syndrome. These CNS anomalies can be broadly classified into two groups; (1) those that are primary malformations and (2) those that occur secondary to osseous deformity/malformation. CONCLUSION: Familiarity with CNS anomalies associated with Apert syndrome is important to both clinicians and radiologist as it impacts on management and prognostication. Cognitive development of patients has been linked to associated CNS anomalies, timing of surgery and social aspects. These associated anomalies can be broadly classified into (1) those that are primary malformations and (2) those that occur secondary to osseous deformity/malformation, as illustrated in our review paper. PMID- 29198075 TI - Characteristics, management, and outcome of primary hyperparathyroidism at a single clinical center from 2005 to 2016. AB - : This study presents the clinical and biochemical profiles of patients with PHPT between 2005 and 2016 at our center. Most PHPT patients in China show symptomatic features. The number of symptomatic and asymptomatic patients increased during that time, and the number of individuals with parathyroid carcinoma is now increasing. INTRODUCTION: Over the last decade, the prevalence of primary hyperparathyroidism (PHPT) has increased sharply, and the number of individuals with parathyroid cancer is still trending upward. Little is known about the clinical outlook of the disease over the last decade in China. The aim of this study was to describe the clinical characteristics of PHPT patients at our center from January 2005 to December 2016. METHODS: Two hundred sixty patients with PHPT visiting Shanghai Jiao Tong University Affiliated Sixth People's Hospital were enrolled retrospectively. The clinical manifestations and biochemical abnormalities of these patients were analyzed. RESULTS: Among all patients, 73.1% had symptomatic PHPT, while the number of symptomatic and asymptomatic patients increased 1 to 2.5 times and 1.5 to 3 times, respectively, from 2005 to 2016. Bone pain and single adenoma were the most frequent signs and pathological results. The patients with parathyroid carcinoma over the last 5 years accounted for 90% (9/10) of all parathyroid carcinoma patients from 2005 to 2016, and parathyroid carcinoma patients had higher levels of serum calcium, parathyroid hormone (PTH), and serum creatinine (P < 0.05) than parathyroid hyperplasia and parathyroid adenoma patients. CONCLUSIONS: Most patients with PHPT in China still exhibit classic clinical and biochemical features. Both symptomatic and asymptomatic patients have increased over the last 12 years. Although the proportion of parathyroid carcinoma was small, a noticeable upward tendency was observed at our center. PMID- 29198074 TI - Comparison of muscle/lean mass measurement methods: correlation with functional and biochemical testing. AB - : DXA-measured lean mass is often used to assess muscle mass but has limitations. Thus, we compared DXA lean mass with two novel methods-bioelectric impedance spectroscopy and creatine (methyl-d3) dilution. The examined methodologies did not measure lean mass similarly and the correlation with muscle biomarkers/function varied. INTRODUCTION: Muscle function tests predict adverse health outcomes better than lean mass measurement. This may reflect limitations of current mass measurement methods. Newer approaches, e.g., bioelectric impedance spectroscopy (BIS) and creatine (methyl-d3) dilution (D3-C), may more accurately assess muscle mass. We hypothesized that BIS and D3-C measured muscle mass would better correlate with function and bone/muscle biomarkers than DXA measured lean mass. METHODS: Evaluations of muscle/lean mass, function, and serum biomarkers were obtained in older community-dwelling adults. Mass was assessed by DXA, BIS, and orally administered D3-C. Grip strength, timed up and go, and jump power were examined. Potential muscle/bone serum biomarkers were measured. Mass measurements were compared with functional and serum data using regression analyses; differences between techniques were determined by paired t tests. RESULTS: Mean (SD) age of the 112 (89F/23M) participants was 80.6 (6.0) years. The lean/muscle mass assessments were correlated (.57-.88) but differed (p < 0.0001) from one another with DXA total body less head being highest at 37.8 (7.3) kg, D3-C muscle mass at 21.1 (4.6) kg, and BIS total body intracellular water at 17.4 (3.5) kg. All mass assessment methods correlated with grip strength and jump power (R = 0.35-0.63, p < 0.0002), but not with gait speed or repeat chair rise. Lean mass measures were unrelated to the serum biomarkers measured. CONCLUSIONS: These three methodologies do not similarly measure muscle/lean mass and should not be viewed as being equivalent. Functional tests assessing maximal muscle strength/power (grip strength and jump power) correlated with all mass measures whereas gait speed was not. None of the selected serum measures correlated with mass. Efforts to optimize muscle mass assessment and identify their relationships with health outcomes are needed. PMID- 29198076 TI - Early diagnosis of osteoporosis using radiogrammetry and texture analysis from hand and wrist radiographs in Indian population. AB - : We propose an automated low cost tool for early diagnosis of onset of osteoporosis using cortical radiogrammetry and cancellous texture analysis from hand and wrist radiographs. The trained classifier model gives a good performance accuracy in classifying between healthy and low bone mass subjects. INTRODUCTION: We propose a low cost automated diagnostic tool for early diagnosis of reduction in bone mass using cortical radiogrammetry and cancellous texture analysis of hand and wrist radiographs. Reduction in bone mass could lead to osteoporosis, a disease observed to be increasingly occurring at a younger age in recent times. Dual X-ray absorptiometry (DXA), currently used in clinical practice, is expensive and available only in urban areas in India. Therefore, there is a need to develop a low cost diagnostic tool in order to facilitate large-scale screening of people for early diagnosis of osteoporosis at primary health centers. METHODS: Cortical radiogrammetry from third metacarpal bone shaft and cancellous texture analysis from distal radius are used to detect low bone mass. Cortical bone indices and cancellous features using Gray Level Run Length Matrices and Laws' masks are extracted. A neural network classifier is trained using these features to classify healthy subjects and subjects having low bone mass. RESULTS: In our pilot study, the proposed segmentation method shows 89.9 and 93.5% accuracy in detecting third metacarpal bone shaft and distal radius ROI, respectively. The trained classifier shows training accuracy of 94.3% and test accuracy of 88.5%. CONCLUSION: An automated diagnostic technique for early diagnosis of onset of osteoporosis is developed using cortical radiogrammetric measurements and cancellous texture analysis of hand and wrist radiographs. The work shows that a combination of cortical and cancellous features improves the diagnostic ability and is a promising low cost tool for early diagnosis of increased risk of osteoporosis. PMID- 29198077 TI - Fibroblast-like synoviocyte migration is enhanced by IL-17-mediated overexpression of L-type amino acid transporter 1 (LAT1) via the mTOR/4E-BP1 pathway. AB - In rheumatoid arthritis (RA), activated synovial fibroblasts have the ability to invade joint cartilage, actively contributing to joint destruction in RA. The mechanisms underlying this cell migration and invasion remain unclear. Our previous results and data from the GEO profile indicate that the L-type amino acid transporter gene, LAT1, is overexpressed in the synovium of RA. To identify its potential role in RA, fibroblast-like synoviocytes (FLS) from patients with RA were used to determine the effects of suppressing the LAT1 genes using RNA interference and the LAT inhibitor, BCH. We found that BCH exposure reduced the phosphorylation of mTOR and its downstream target 4EBP1, radiolabeled leucine uptake, and migration of RA FLS. LAT1 silencing by siRNA presented effects similar to BCH inhibition. Treatment of cells with IL-17 stimulated the expression of LAT1. In contrast, applying an inhibitor of mTOR pathway, temsirolimus, or silencing eIF4E neutralized the stimulation of IL-17 on LAT1. BCH and siLAT1 also resulted in lower IL-17-stimulated leucine uptake and cell migration. These results suggest that the migration of RA FLS is aggravated by IL 17-mediated overexpression of LAT1 via mTOR/4E-BP1 pathway. In conclusion, further investigation is warranted into LAT1 as a potential target for drug therapies aimed at attenuating migration of transformed-appearing fibroblasts and subsequently preventing further erosion of bone and cartilage. PMID- 29198078 TI - Targeting VEGF receptors with non-neutralizing cyclopeptides for imaging applications. AB - Pharmacological strategies aimed at preventing cancer growth are in most cases paralleled by diagnostic investigations for monitoring and prognosticating therapeutic efficacy. A relevant approach in cancer is the suppression of pathological angiogenesis, which is principally driven by vascular endothelial growth factor (VEGF) or closely related factors and by activation of specific receptors, prevailingly VEGFR1 and VEGFR2, set on the surface of endothelial cells. Monitoring the presence of these receptors in vivo is henceforth a way to predict therapy outcome. We have designed small peptides able to bind and possibly antagonize VEGF ligands by targeting VEGF receptors. Peptide systems have been designed to be small, cyclic and to host triplets of residues known to be essential for VEGF receptors recognition and we named them 'mini-factors'. They have been structurally characterized by CD, NMR and molecular dynamics (MD) simulations. Mini-factors do bind with different specificity and affinity VEGF receptors but none blocks receptor activity. Following derivatization with suitable tracers they have been employed as molecular probes for sensing receptors on cell surface without affecting their activity as is usually observed with other binders having neutralizing activity. PMID- 29198079 TI - Thromboxane inhibition during concurrent therapy with low-dose aspirin and over the-counter naproxen sodium. AB - : Aspirin is the dominant antiplatelet therapy for cardiovascular disease. Naproxen is frequently used in aspirin-treated patients and may influence the antiplatelet effect of aspirin. We evaluated the pharmacodynamic interaction (lower bound of the one-sided 95% CI for serum TxB2 inhibition < 95%) between 220 mg immediate-release naproxen sodium (once or twice daily) and 81 mg daily immediate release aspirin at various dosing intervals. There was no interaction during the first day of concurrent treatment. After 10 days, irrespective of the timing and dose of naproxen in relation to aspirin dosing, a pharmacodynamic interaction occurred which persisted after discontinuing naproxen. In the control group (aspirin alone), the lower bound for serum TxB2 inhibition was > 98% at all time points. The clinical relevance of these observations remains unknown and merits further investigation since over-the-counter naproxen is widely used to relieve pain by individuals taking low dose aspirin for cardioprotection. CLINICAL TRIAL REGISTRATION: NCT02229461. PMID- 29198080 TI - Laboratory measurement of apixaban using anti-factor Xa assays in acute ischemic stroke patients with non-valvular atrial fibrillation. AB - Apixaban is effective and safe for preventing stroke, and its usage has increased exponentially in recent years. However, data concerning the therapeutic range of apixaban is limited. This study determined the trough and peak levels of apixaban specific anti-factor Xa activity (AFXaA) in acute ischemic stroke patients with non-valvular atrial fibrillation (NVAF) in Korea. The study included 85 patients who received apixaban. Blood samples were taken to measure the trough and peak levels of AFXaA using a chromogenic anti-factor assay, as well as prothrombin time (PT) and activated partial thromboplastin time (aPTT). We also reviewed complications such as major bleeding of patients treated with apixaban. In patients given a 5.0-mg apixaban dose, the median trough and peak levels of AFXaA were 104.5 and 202.0 ng/mL. In patients given a 2.5-mg apixaban dose, the median trough and peak AFXaA levels were 76.0 and 151.0 ng/mL. The PT showed a positive correlation with increased AFXaA activity at both levels (Trough R = 0.486, Peak R = 0.592), but the aPTT had no relationship with AFXaA activity at both levels (Trough R = 0.181, Peak R = 0.129). Two cases with intracranial bleeding belonged to the highest AFXaA quartile (Trough, p = 0.176; Peak, p = 0.053). In conclusion, we determined the trough and peak levels of AFXaA in patients with NVAF while being treated with the apixaban in Korea. Our results could be used as a starting point when setting the reference ranges for laboratories using anti-Xa assay. Large-scale studies are needed to establish the reference range for AFXaA in patients with NVAF. PMID- 29198081 TI - Anaerobic crystallization of proteins. AB - Crystallization has been a bottleneck in the X-ray crystallography of proteins. Although many techniques have been developed to overcome this obstacle, the impurities caused by chemical reactions during crystallization have not been sufficiently considered. Oxidation of proteins, which can lead to poor reproducibility of the crystallization, is a prominent example. Protein oxidization in the crystallization droplet causes inter-molecular disulfide bridge formation, formation of oxidation film, and precipitation of proteins. These changes by oxidation are typically irreversible. The best approach for preventing protein oxidization during crystallization is anaerobic crystallization. Here we review the anaerobic crystallization of proteins, which was originally developed to trap a reaction intermediate of the enzyme in the crystal. We also summarize representative anaerobic crystallizations from our laboratory and the general setup of anaerobic crystallization. PMID- 29198082 TI - Protein-solvent interaction. AB - Protein folding and assembly can be manipulated in in vitro systems by co solvents at high concentrations. A number of co-solvents that enhance protein stability and assembly have been shown to be excluded from the protein surface. Such co-solvent exclusion has been demonstrated by dialysis experiments and shown to be correlated with their effects on protein stability and assembly. PMID- 29198083 TI - ROBOTIC-ASSISTED TRANSAXILLARY THYROID SURGERY - THE RABIN MEDICAL CENTER EXPERIENCE AB - AIMS: To review the experience of a single-center with RATS and to assess its outcome, feasibility and safety. BACKGROUND: With the advent of minimally invasive techniquesin thyroid surgery, robot-assisted transaxillary thyroid surgery (RATS) has become one of the most popular approaches. Its main advantages are improved cosmetic outcome, thereby increasing patient satisfaction, improved visualization and range of motion. Several large-scale studies, have demonstrated its safety and feasibility. METHODS: A retrospective review of all RATS consecutive cases at Rabin Medical Center. RESULTS: A total of 38 RATS procedures were performed between July 2012 and May 2015. The mean age of patients was 39 years (22-74); all patients were females; the average BMI was 25 (18-32). Thirty seven patients underwent partial thyroidectomy and one - total thyroidectomy. The average maximal diameter of nodules pre-operatively was 2.5 cm (0.5- 5). Seventeen patients (44%) had papillary carcinoma; 13 (33%) - hyperplastic nodules and 8 (20%) - benign thyroid adenomas or goiters. The average total operative time was 166 minutes. One case was converted to open due to a large tumor; there were 6 (15.7%) cases of vocal cord paresis, of which 1 (2.6%) was permanent; there were 8 (21%) cases of hypoesthesia - all resolved within 4-12 weeks. There were no cases of permanent brachial plexus injury. CONCLUSIONS: In skilled hands, RATS is a safe alternative to conservative thyroidectomy, and should be presented to patients with aesthetic concerns. As with any new emerging technique, careful patient selection is crucial and further evidence must be sought to confirm its indications over time. PMID- 29198084 TI - [THE IMPACT OF MOLECULAR PROFILING USING NEXT-GENERATION SEQUENCING IN ADVANCED LUNG CANCER]. AB - BACKGROUND: In the last decade, important advances in understanding the lung cancer cellular signal pathways have led to the designing of targeted drugs that significantly prolong survival. Recent data shows that 64% of lung adenocarcinomas harbor at least one activating driver mutation, including treatable mutations such as RET, ERBB2 (HER-2) and ROS1 gene mutations, besides the regularly screened ALK and EGFR genes. Next-Generation Sequencing (NGS) reveals more clinically meaningful genomic alterations as compared to currently used diagnostic tests. However, the clinical impact of NGS testing merits further investigation. OBJECTIVES: To evaluate the impact of NGS-based tumor profiling on therapeutic decision making in the real life setting in advanced lung cancer patients. METHODS: The study population included 50 lung cancer patients who were treated at Davidoff Cancer Center, Rabin Medical Center in 2011-2015, and for whom a broad, hybrid capture-based NGS genomic profiling test was performed. The data was retrospectively collected from patient charts. RESULTS: 39 of 46 included patients (84.8%) had one or more driver alternations, and a targeted agent was administered according to alteration discovered in 21 of 46 cases (45.7%). 15 (37.5%) treated patients were exclusively detected by NGS. The most frequent drivers were EGFR (26.1%), KRAS (19.6%), ALK (13%), STK11 (10.9%) and RET (8.7%). Interestingly, 10 patients became EGFR and ALK positive by NGS after the previous standard local molecular testing was negative. CONCLUSIONS: Molecular testing using NGS can reveal a targetable genomic alteration in the vast majority of lung tumors. Its broad use for therapeutic decision making is essential since approximately half of the patients can benefit from customized treatment upon testing results. DISCUSSION: Although this topic needs to be further assessed in large randomized controlled trials, our positive results emphasize the importance of multiplex testing as a diagnostic test in advanced lung cancer patients. The implementation of NGS at Rabin Medical Center in the near future is highly anticipated. PMID- 29198085 TI - [THE DIAGNOSTIC AND THERAPEUTIC CHALLENGE OF TYPE 2 MYOCARDIAL INFRACTION]. AB - INTRODUCTION: Type 2 Myocardial Infarction (Type 2 MI) is considered to result from an imbalance between demand and supply of oxygen in the myocardium, other than coronary plaque instability. It is highly prevalent in internal departments and is strongly associated with mortality. To date, there is no consensus regarding the diagnostic criteria for type 2 MI and no available guidelines regarding the optimal management of this condition. We present a case study of a 64 years old male who was hospitalized with lower gastrointestinal bleeding. This patient was diagnosed with Type 2 myocardial infarct, due to a decrease in oxygen supply to the myocardium, but eventually turned out to be a Type 1 MI .We reviewed current literature regarding the clinical features, diagnosis, prognosis and treatment of Type 2 MI. PMID- 29198086 TI - [INR LEVELS DURING HOSPITALIZATION AT THE DEPARTMENT OF MEDICINE]. AB - BACKGROUND: Warfarin has a narrow therapeutic index with INR values between 2.0 - 3.0. According to our clinical experience, control of INR levels during hospitalization is poor. OBJECTIVES: The study aimed to evaluate control of INR levels during hospitalization in the departments of internal medicine, to determine the factors that influence INR levels during hospitalization, and the association between the control of INR levels before and during hospitalization. METHODS: This is a retrospective study, including the data of patients who were admitted to the internal medicine wards at Meir and Rabin Medical Centers, Israel, between May 2011 and May 2013. Inclusion criteria: patients who were treated with warfarin prior and during the index hospitalization and at least 3 INR tests were taken during the hospitalization and the 3 months before it. The collected data included: demographic parameters (age, gender), medical background, cause of admission, relevant medications for INR control, duration of hospitalization and INR values. The INR control during hospitalization and the previous 3 months, the parameters that affect INR levels and the association between control before and during hospitalization were evaluated. RESULTS: Of 1861 screened patients, only 299 filled the inclusion criteria. Among those patients, 93 (31%) were considered to have well controlled INR rates during the hospitalization. No significant differences were found between the controlled and uncontrolled groups. The risk of a well-controlled patient before admission to be uncontrolled during admission was 63%, whereas the risk of an uncontrolled patient before admission to remain uncontrolled during hospitalization was 73%. CONCLUSIONS: By using a larger study group it might be possible to achieve significant results and to set guidelines for INR control during admission. DISCUSSION: Most patients are not monitored well enough to estimate their degree of INR control. Most of the patients, who could be evaluated, were uncontrolled. PMID- 29198087 TI - [TRAINING WORKSHOPS FOR BEDOUIN MOTHERS: PREVENTION OF IRON DEFICIENCY ANEMIA IN CHILDREN - RESULTS FROM A COMMUNITY TRIAL STUDY]. AB - INTRODUCTION: Anemia is the most common nutritional deficiency in the world, contributing to childhood morbidity and mortality. Knowledge, attitudes and behavior of caretakers and parents of toddlers can significantly prevent anemia. OBJECTIVES: Assessment of workshop intervention to alter knowledge, attitudes and behavior in mothers of toddlers in the Bedouin population. METHODS: Community trial study. The intervention group included: 150 mothers of healthy one-year-old toddlers receiving workshops culturally tailored for a month in addition to standard training in "Tipat-Halav" (Baby clinic). The control group included: 101 mothers of healthy one-year-old toddlers who received standard training. At the endpoint, mothers were tested in both groups to determine levels of knowledge based on the knowledge and attitudes questionnaire, and the food intake of their children was reviewed according to the Food Frequency Questionnaire (FFQ). RESULTS: Intervention group mothers correctly answered significantly more questions on knowledge and attitudes than the control group; 87.3% of the intervention group recognized the importance of giving iron supplements to prevent anemia compared to 73.3% in the control group (p=0.004). Over three quarters of the intervention group and half of the control group knew that food affects mental development (p=0.001). In logistic regression, neutralization of SES variables, the intervention increased the rate mothers correctly answered questions 2 to 2.6 fold compared with the control group (p?0.05). According to the FFQ, children in the intervention group ate more iron-rich foods of animal and vegetarian origin compared to the control group (p<0.05). CONCLUSIONS: The intervention improved the knowledge and behavior of mothers in preventing anemia in toddlers. It should be required to provide information and training activities for mothers of toddlers beyond standard training, increasing the awareness of foods rich in iron. This activity can be performed using cultural workshops on iron deficiency, as was performed in this study. PMID- 29198088 TI - [EFFICACY OF IVIG TREATMENT IN BRONCHIECTASIS ASSOCIATED WITH IGG SUBCLASS DEFICIENCY]. AB - INTRODUCTION: Bronchiectasis is characterized by an abnormal dilatation of the bronchi leading to a chronic inflammatory process, airway blockage and impaired clearance of secretions. The damage to the airways is usually progressive and is the result of several pathogenic processes. In the past, healing of infections (especially pulmonary tuberculosis) was the main cause of airway dilatation and progression of chronic inflammation. Today, congenital illnesses, anatomical defects and immune deficiency play an important role in the pathogenesis of bronchiectasis formation. The immunoglobulin repertoire is vital for effective host protection against a wide variety of pathogens. Primary antibody deficiency diseases are defects of the humoral arm of the immune system and involve an absence/reduced levels of one or more immunoglobulin classes/subclasses or defects of specific antibody formation. Immunoglobulin G (IGG) subclass deficiency can occur in a healthy person and could be without clinical significance. However, in recent years there is emerging evidence that in patients with recurrent infections, early diagnosis of antibody deficiency affects the prognosis and prevention of ongoing lung damage. The use of IVIG has contributed significantly to the survival rate in primary antibody deficiencies. There is limited literature on the treatment of IVIG for patients with IGG subclass deficiency. However, all studies presented so far demonstrated that immunoglobulin therapy reduced the rate of bacterial infections, days of antibiotic usage, hospital admissions and significantly increased patients' quality of life. Therefore, in the appropriate clinical setting, ie: a patient with bronchiectasis and recurrent infections, it is justified to test whether there are humoral immune defects such as IGG subclass deficiency. In a patient with proven deficiency, we should recommend to start IVIG treatment until clinical benefit is achieved. PMID- 29198089 TI - [EXOSOMES AS MEDIATORS OF INTERCELLULAR COMMUNICATION: THE CANCER AND TELOMERASE CONNECTION]. AB - INTRODUCTION: Exosomes, nano-vesicles secreted from all types of cells in the human body, function as inter-cell communicators. This role of exosomes is fulfilled by their specific content, dependent on the origin of donor cells from which they are secreted. Exosomes contain a plethora of nucleic acids (DNA, RNA and micro RNA), proteins and lipids. These molecules are packed in the donor cells into the exosomes which are subsequently secreted and transferred through various body fluids into the target cells which may be located far from the donor cells. Recently, the issue of exosome research has been widely expanded and data has been accumulated regarding the relevance and involvement of exosomes in cancer. Exosomes play a role in the process of malignant transformation, in avoiding the surveillance of the immune system, the expansion of the tumor and its establishment in the cancer microenvironment. In addition, exosomes promote the process of metastasis formation. Among other subjects, exosomal research focuses around the characterization of the content of cancer-derived exosomes in order to identify markers that can be used for diagnosis and prognosis of cancer patients. Telomerase, a unique reverse transcriptase, has been widely shown to be crucial for the process of malignant transformation and the perpetuation of the malignant clone. In the current review, we describe the importance of exosomes to the various themes of cancer and their potential use as diagnostic and prognostic markers as well as their therapeutic potential. In addition, the results and implications of our study with regards to the secretion of telomerase transcript into exosomes derived from cancer cells will be discussed. PMID- 29198090 TI - [CO-OCCURRING SCHIZOPHRENIA AND SUBSTANCE USE DISORDER: ETIOLOGICAL THEORIES AND CHALLENGES IN ISRAEL]. AB - INTRODUCTION: A sizeable number of patients suffering from psychotic disorders, particularly schizophrenia, are also diagnosed with substance use disorder (SUD). These dual diagnosis (DD) patients are considered very difficult to treat and differ in some of their characteristics from patients with schizophrenia or SUD exclusively. They have a worse prognosis and require more complex treatment which needs to be integrated for both of the disorders. In Israel there is a lack of training, professionals and institutions specializing in treatment for this population. Consequently, many DD patients are left without care in the community and as a result, their relapses and hospitalizations are more frequent. In addition, many of the patients are not accepted to the existing institutions due to the requirement that the patient has to express clear motivation to stop his substance abuse. In this article we will review etiological theories of the comorbidity between chronic psychotic disorders and SUD. These theories explain the unique difficulty of DD patients to develop motivation to quit or diminish substance abuse. The data presented here sheds light on the gap between the needs of these patients and the current situation in Israel, urging the need to change the approach and adapt treatments for this unique population. PMID- 29198091 TI - [TREATMENTS FOR SLOWING THE PROGRESSION OF MYOPIA]. AB - INTRODUCTION: Myopia is the most common refractive error and is now endemic over the entire industrial world, particularly in Asia. High myopia is one of the major causes of blindness in the world. Slowing the progress of myopia is possible, the most effective treatment being atropine ophthalmic drops, given in a dose-dependent fashion. Although high-dose atropine (1% and 0.5%) was found to be highly effective in slowing myopia progression, low-dose atropine (0.01%) was found to have the lowest rebound effect (accelerated myopia progression after treatment cessation) and was therefore, the most effective treatment in the long term. Moderately effective treatments include pirenzepine drops, cyclopentolate drops, orthokeratology, contact lenses which are designed to reduce the peripheral hyperopic blur and distance-center soft multifocal contact lenses. Less effective treatments include multifocal spectacle lenses, bifocal spectacle lenses, bifocal soft contact lenses and outdoor activity in daylight. Visual therapy, biofeedback, full-spectacle correction, under-correction, spectacles designed to reduce the peripheral hyperopic blur, single-vision rigid gas permeable contact lenses, single-vision soft contact lenses, tropicamide drops and timolol drops were all found to be ineffective. PMID- 29198092 TI - [THE ISRAELI NEUROGASTROENTEROLOGY ASSOCIATION RECOMMENDATIONS FOR THE EVALUATION AND TREATMENT OF CHRONIC CONSTIPATION]. AB - INTRODUCTION: This article summarizes the recommendations of the Israeli Neurogastroenterology and Motility Branch of the Israeli Gastroenterology Association for diagnosis and treatment of chronic constipation. It encompasses an overview of the definitions, the diagnostic approach and the possible treatment options in chronic constipation. This document is suitable for primary care physicians who are interested in understanding the major physiologic mechanisms for chronic constipation and the possible treatment options, as well as for the gastroenterology consultant who faces patients with tenacious chronic constipation. PMID- 29198093 TI - [STRENUOUS AND PROLONGED EXERCISE AND UPPER RESPIRATORY TRACT INFECTION - TREATMENT OR THREAT?] AB - INTRODUCTION: Prolonged and strenuous exercise may lead to changes in the immune system function and to temporary suppression in defense against pathogens. These changes likely increase the risk of those engaging in prolonged and strenuous physical activity to develop upper respiratory tract infection and to reduce the level of performance. On the other hand, it appears that moderate physical activity reduces the risk of upper respiratory tract infection. Various populations, such as professional athletes and soldiers in combat units, who engage in daily strenuous exercise, may therefore be a high risk group. Integration of additional stress factors, such as sleep deprivation, emotional stress, nutritional deprivation, and dehydration also affect the immune system and may worsen the effect. On the other hand, there are those who claim that upper respiratory symptoms are due to non-infection inflammation causes such as allergy, asthma etc. Hence the effects of strenuous exercise on the immune system during training and competitions are not sufficiently clear. This review article will focus on the known effects of strenuous and prolonged exercise on the immune system, the possible mechanisms leading to these changes and their clinical impacts with applied emphasis to active populations such as athletes and soldiers. PMID- 29198094 TI - [FROM PASTORAL CARE TO SPIRITUAL CARE - TRANSFORMING THE CONCEPTION OF THE ROLE OF THE SPIRITUAL CARE PROVIDER]. AB - INTRODUCTION: Spirituality is a difficult concept to define, one that is often understood differently by different cultures and religious communities. Illness constitutes a dramatic change in the ongoing flow and norms of a person's life, raising questions of the value or meaning of life, questions of self-worth, and questions of forgiveness, to ourselves and others. The profession of spiritual care comes to provide support in these areas. Originally focused on religious care, the profession has shifted to providing care for general spiritual well being, where professionals care for all patients regardless of religion. This survey presents the impact of spiritual well-being on patients in times of serious illness, as distinct from religious well-being, and the role of the spiritual care provider in supporting patients who are in spiritual distress. Studies demonstrate the connection between spiritual or religious well-being and various clinical measures for advanced illness. Studies of spiritual well-being, as distinct from religious well-being, found a direct connection between higher spiritual well-being and reduced depression and despair among cancer and AIDS patients and improved survival rates among patients with congestive heart failure. Religious struggle has been found to correlate with lowered survival rates for hospitalized elderly patients, and with more prolonged hospital stays among patients with congestive heart failure. Negative religious coping has been found to correlate with depression, anxiety, and decreased quality of life among patients undergoing bone-marrow transplants, cancer patients, and patients with end-stage renal disease. In order to integrate the spiritual care provider into the multidisciplinary hospital team, a model has been proposed for staff to perform a short spiritual history at intake relating to patients' beliefs and the importance they hold for the patient. The staff person learns to be attentive to key points indicating a referral to spiritual care. Spiritual needs addressed by the spiritual care provider may include aligning care plans with patients' values, promoting a sense of peace, lessening isolation, and enabling mourning. In Israel, spiritual care is a new profession, not carrying with it the baggage of earlier models which limited this profession to religious leaders, a fact which enables better integration of the spiritual care provider into the multidisciplinary staff. PMID- 29198095 TI - Is it possible to predict the development of an entecavir resistance mutation in patients with chronic hepatitis B in clinical practice? PMID- 29198096 TI - Prognostic Factors and Decision Tree for Long-Term Survival in Metastatic Uveal Melanoma. AB - PURPOSE: The purpose of this study was to demonstrate the existence of a bimodal survival pattern in metastatic uveal melanoma. Secondary aims were to identify the characteristics and prognostic factors associated with long-term survival and to develop a clinical decision tree. Materials and Methods: The medical records of 99 metastatic uveal melanoma patients were retrospectively reviewed. Patients were classified as either short (<= 12 months) or long-term survivors (> 12 months) based on a graphical interpretation of the survival curve after diagnosis of the first metastatic lesion. Ophthalmic and oncological characteristicswere assessed in both groups. RESULTS: Of the 99 patients, 62 (62.6%) were classified as short-term survivors, and 37 (37.4%) as long-term survivors. The multivariate analysis identified the following predictors of long-term survival: age <= 65 years (p=0.012) and unaltered serum lactate dehydrogenase levels (p=0.018); additionally, the size (smaller vs. larger) of the largest liver metastasis showed a trend towards significance (p=0.063). Based on the variables significantly associated with long-term survival, we developed a decision tree to facilitate clinical decision-making. CONCLUSION: The findings of this study demonstrate the existence of a bimodal survival pattern in patients with metastatic uveal melanoma. The presence of certain clinical characteristics at diagnosis of distant disease is associated with long-term survival. A decision tree was developed to facilitate clinical decision-making and to counsel patients about the expected course of disease. PMID- 29198097 TI - HBsAg-Negative, Anti-HBc-Negative Patients Still Have a Risk of Hepatitis B Virus Related Hepatitis after Autologous Stem Cell Transplantation for Multiple Myeloma or Malignant Lymphoma. AB - PURPOSE: Although hepatitis B surface antigen (HBsAg)-negative, hepatitis B core antibody (anti-HBc)-negative patients are not considered to be at risk for hepatitis B virus (HBV)-related hepatitis, the actual risk remains to be elucidated. This study aimed to evaluate the risk of HBV-related hepatitis in HBsAg-negative, anti-HBc-negative patients receiving autologous stem cell transplantation (ASCT) for multiple myeloma (MM) or malignant lymphoma. Materials and Methods: We retrospectively reviewed data from 271 HBsAg-negative patients (161 anti-HBc-negative and 110 anti-HBc-positive at the time of ASCT) who received ASCT for MM or lymphoma. The risk of HBV-related hepatitis was analyzed according to the presence of anti-HBc. HBV serology results at the time of ASCT were compared with those at the time of diagnosis of MM or lymphoma. RESULTS: Three patients (two anti-HBc-negative MMs and one anti-HBc-positive MM) developed HBV-related hepatitis after ASCT. The rate of HBV-related hepatitis did not differ among patients with or without anti-HBc status (p=0.843). HBV-related hepatitis more frequently occurred in MM patients than in lymphoma patients (p=0.041). Overall, 9.1% of patients (16.7% with MM and 5.4% with lymphoma) who were HBsAg-negative and anti-HBc-positive at the time of diagnosis had lost anti HBc positivity during chemotherapy prior to ASCT. CONCLUSION: Our data suggest that HBsAg-negative, anti-HBc-negative patients at the time of ASCT for MM or lymphoma still might be at a risk for HBV-related hepatitis. PMID- 29198098 TI - Role of local government in responding to environmental health challenges: a case study of Chungnam. AB - The purpose of this study is to introduce the establishment process, policy target, and projects for "Chungnam's master plan on environmental health policy (2017-2020)" as the local government's role in addressing local environmental health challenges. We first analyzed existing studies and social issues on the media related to "Chungnam's master plan" to understand Chungnam's environmental health status and discussed domestic and international policy trends and related plans. An environmental health perception questionnaire survey and a Delphi expert questionnaire survey were conducted among provincial residents to collect various actors' opinions on Chungnam's environmental health issues and policy. An expert advisory panel was launched, and a residents' voice workshop and cities and-guns-policy-suggestion workshop were held. The vision of Chungnam's environmental health policy is minimizing environmental hazards. We finally selected "Pleasant environment, healthy people, happy Chungnam" to represent the will to shape a pleasant environment and prevent and manage health damages for a happy Chungnam. We selected five strategies based on status analysis and a review of domestic and international policy trends and related plans and identified 2 targets (policy objectives) to accomplish the strategies. The strategies to achieve the first target, "Leader in environmental health policy: Chungnam," include 'Empowering active provincial capabilities,' 'Setting up province specific systems for environmental health surveys and research,' and 'Preventing and managing newly emerging pollutants.' The strategies for the second target, "Everyone is healthy: Chungnam," include 'Relieving health inequalities among vulnerable regions and residents' and 'Enlarging the resident-friendly environmental health policy.' We developed 29 projects in total, according to these strategies. The establishment of "Chungnam's master plan" is highly valuable; we developed it through discussion involving diverse actors to address environmental health challenges together. It is necessary to continue to strengthen participation, communication, and cooperation among actors to develop an environmental health policy model for the future. PMID- 29198099 TI - Determination of Fosetyl and Phosphonic Acid at 0.010 mg/kg Level by Ion Chromatography Tandem Mass Spectrometry. AB - A new sensitive, fast, and robust method using ion chromatography tandem mass spectrometry (IC-MS/MS) for the determination of fosetyl and phosphonic acid in plant-derived matrices was developed. For compensation of matrix effects and differences in recovery rates the isotopically labeled internal standard (ILIS) 18O3-labeled phosphonic acid was added to the samples prior to the extraction of the target compounds. The validation of the method for the matrices tomato, apple, lemon, sultana, avocado, and wheat was performed according to the actual EU guidance document SANTE/11945/2015. The precision and accuracy were determined in five replicates at spiking levels of 0.010 and 0.100 mg/kg with recovery rates between 76 and 105% and RSDs between 1.2 and 17.8%. In this paper, it was achieved for the first time to detect both fosetyl and phosphonic acid at the reporting level of 0.010 mg/kg most relevant for organic plant food commodities. PMID- 29198100 TI - Zn-ProPhenol Catalyzed Enantio- and Diastereoselective Direct Vinylogous Mannich Reactions between alpha,beta- and beta,gamma-Butenolides and Aldimines. AB - We report a Zn-ProPhenol catalyzed reaction between butenolides and imines to obtain tetrasubstituted vinylogous Mannich products in good yield and diastereoselectivity with excellent enantioselectivity (97 to >99.5% ee). Notably, both alpha,beta- and beta,gamma-butenolides can be utilized as nucleophiles in this transformation. The imine partner bears the synthetically versatile N-Cbz group, avoiding the use of the specialized aryl directing groups previously required in related work. Additionally, the reaction can be performed on gram scale with reduced catalyst loading as low as 2 mol %. The functional group-rich products can be further elaborated using a variety of methods. PMID- 29198101 TI - Multiplexed Detection of Foodborne Pathogens from Contaminated Lettuces Using a Handheld Multistep Lateral Flow Assay Device. AB - This paper presents a handheld device that is capable of simplifying multistep assays to perform sensitive detection of foodborne pathogens. The device is capable of multiplexed detection of Escherichia coli (E. coli) O157:H7, Salmonella Typhimurium (S. Typhimurium), Staphylococcus aureus, and Bacillus cereus. The limit of detection for each bacterium was characterized, and then, the detection of bacteria from contaminated fresh lettuces was demonstrated for two representative foodborne pathogens. We employed a sample pretreatment protocol to recover and concentrate target bacteria from contaminated lettuces, which can detect 1.87 * 104 CFU of E. coli O157:H7 and 1.47 * 104 CFU of S. Typhimurium/1 g of lettuce without an enrichment process. Lastly, we demonstrated that the limit of detection can be reduced to 1 CFU of E. coli O157:H7 and 1 CFU of S. Typhimurium/1 g of lettuce by including a 6 h enrichment of contaminated lettuces in growth media before pretreatment. PMID- 29198103 TI - Time Trends in Per- and Polyfluoroalkyl Substances (PFASs) in California Women: Declining Serum Levels, 2011-2015. AB - After several decades of widespread use, some per- and polyfluoroalkyl substances (PFASs) were phased-out of use due to concerns raised by their persistent, bioaccumulative, and toxic properties. Our objective was to evaluate temporal trends in serum PFAS levels among 1257 middle-aged and older California women (ages 40-94) during a four year period, beginning approximately 5-10 years after these phase-outs began. An online SPE-HPLC-MS/MS was used to measure 10 long chain PFASs in serum from blood collected cross-sectionally during 2011-2015 from a subset of participants in the California Teachers Study. Results from multivariable linear regression analyses indicated that serum concentrations of nearly all PFASs declined on average 10% to 20% per year. Serum levels of perfluorohexanesulfonic acid (PFHxS) did not significantly decline. With the exception of PFHxS, the downward trend in serum concentrations was evident for all PFASs across all ages, although declines were comparatively steeper among the oldest women. These findings suggest that the phase-out of some common PFASs has resulted in reduced human exposures to them. The lack of a decline for PFHxS suggests that these exposures may be ongoing and underscores the importance of continued biomonitoring and research efforts to elucidate current pathways of exposure. PMID- 29198102 TI - Antimicrobial and Antibiofilm Activity of Human Milk Oligosaccharides against Streptococcus agalactiae, Staphylococcus aureus, and Acinetobacter baumannii. AB - In a previous study, we reported that human milk oligosaccharides (HMOs) isolated from five donor milk samples possessed antimicrobial and antibiofilm activity against Streptococcus agalactiae, also known as Group B Streptococcus or GBS. Herein, we present a broader evaluation of the antimicrobial and antibiofilm activity by screening HMOs from 14 new donors against three strains of GBS and two of the ESKAPE pathogens of particular interest to child health, Staphylococcus aureus and Acinetobacter baumannii. Growth and biofilm assays showed that HMOs from these new donors possessed antimicrobial and antibiofilm activity against all three strains of GBS, antibiofilm activity against methicillin-resistant S. aureus strain USA300, and antimicrobial activity against A. baumannii strain ATCC 19606. PMID- 29198104 TI - Highly Selective Fluorescent Probe Based on Hydroxylation of Phenylboronic Acid Pinacol Ester for Detection of Tyrosinase in Cells. AB - The detection of tyrosinase, a biomarker for melanoma, is of great significance. Herein, a fluorescent tyrosinase probe, with resorufin as the fluorophore and m tolylboronic acid pinacol ester as the receptor, is proposed. The response relies on the tyrosinase-catalyzed hydroxylation of phenylboronic acid pinacol ester at an adjacent position followed by 1,6-rearrangement elimination to release resorufin. This probe well quantifies tyrosinase in the range from 1 to 100 U mL 1 with a detection limit of 0.5 U mL-1. Importantly, the probe exhibits high selectivity for tyrosinase over other biological substances including reactive oxygen species. In addition, it is successfully applied to the imaging of tyrosinase in cells. This probe provides a novel platform for selective detection of tyrosinase in biosystems. PMID- 29198105 TI - Sources of Methylmercury to Snowpacks of the Alberta Oil Sands Region: A Study of In Situ Methylation and Particulates. AB - Snowpacks in the Alberta Oil Sands Region (AOSR) of Canada contain elevated loadings of methylmercury (MeHg; a neurotoxin that biomagnifies through foodwebs) due to oil sands related activities. At sites ranging from 0 to 134 km from the major AOSR upgrading facilities, we examined sources of MeHg by quantifying potential rates of MeHg production in snowpacks and melted snow using mercury stable isotope tracer experiments, as well as quantifying concentrations of MeHg on particles in snowpacks (pMeHg). At four sites, methylation rate constants were low in snowpacks (km = 0.001-0.004 d-1) and nondetectable in melted snow, except at one site (km = 0.0007 d-1). The ratio of methylation to demethylation varied between 0.3 and 1.5, suggesting that the two processes are in balance and that in situ production is unlikely an important net source of MeHg to AOSR snowpacks. pMeHg concentrations increased linearly with distance from the upgraders (R2 = 0.71, p < 0.0001); however, snowpack total particle and pMeHg loadings decreased exponentially over this same distance (R2 = 0.49, p = 0.0002; R2 = 0.56, p < 0.0001). Thus, at near-field sites, total MeHg loadings in snowpacks were high due to high particle loadings, even though particles originating from industrial activities were not MeHg rich compared to those at remote sites. More research is required to identify the industrial sources of snowpack particles in the AOSR. PMID- 29198106 TI - Metal-Organic Frameworks Invert Molecular Reactivity: Lewis Acidic Phosphonium Zwitterions Catalyze the Aldol-Tishchenko Reaction. AB - The influence of metal-organic frameworks (MOFs) as additives is herein described for the reaction of n-alkyl aldehydes in the presence of methylvinylketone and triphenylphosphine. In the absence of a MOF, the expected Morita-Baylis-Hillman product, a beta-hydroxy enone, is observed. In the presence of MOFs with UMCM-1 and MOF-5 topologies, the reaction is selective to Aldol-Tishchenko products, the 1 and 3 n-alkylesters of 2-alkyl-1,3-diols, which is unprecedented in organocatalysis. The (3-oxo-2-butenyl)triphenylphosphonium zwitterion, a commonly known nucleophile, is identified as the catalytic active species. This zwitterion favors nucleophilic character in solution, whereas once confined within the framework, it becomes an electrophile yielding Aldol-Tishchenko selectivity. Computational investigations reveal a structural change in the phosphonium moiety induced by the steric confinement of the framework that makes it accessible and an electrophile. PMID- 29198107 TI - Fingerprint Analysis: Moving Toward Multiattribute Determination via Individual Markers. AB - Forensic science will be forever revolutionized if law enforcement can identify personal attributes of a person of interest solely from a fingerprint. For the past 2 years, the goal of our group has been to establish a way to identify originator attributes, specifically biological sex, from a single analyte. To date, an enzymatic assay and two chemical assays have been developed for the analysis of multiple analytes. In this manuscript, two additional assays have been developed. This time, however, the assays utilize only one amino acid each. The enzymatic assay targets alanine and employs alanine transaminase (ALT), pyruvate oxidase (POx), and horseradish peroxidase (HRP). The other, a chemical assay, is known as the Sakaguchi test and targets arginine. It is important to note that alanine has a significantly higher concentration than arginine in the fingerprint content of both males and females. Both assays proved to be capable of accurately differentiating between male and female fingerprints, regardless of their respective average concentration. The ability to target a single analyte will transform forensic science as each originator attribute can be correlated to a different analyte. This would then lead to the possibility of identifying multiple attributes from a single fingerprint sample. Ultimately, this would allow for a profile of a person of interest to be established without the need for time-consuming lab processes. PMID- 29198108 TI - Functional and Proteomic Alterations of F1 Capacitated Spermatozoa of Adult Mice Following Gestational Exposure to Bisphenol A. AB - Studies regarding bisphenol A (BPA) exposure and male (in)fertility have conventionally focused on modifications in ejaculated spermatozoa function from exposed individuals. However, mammalian spermatozoa are incapable of fertilization prior to achieving capacitation, the penultimate step in maturation. Therefore, it is necessary to investigate BPA-induced changes in capacitated spermatozoa and assess the consequences on subsequent fertilization. Here, we demonstrate the effect of gestational BPA exposure (50 MUg/kg bw/day, 5 mg/kg bw/day, and 50 mg/kg bw/day) on the functions, biochemical properties, and proteomic profiles of F1 capacitated spermatozoa from adult mice. The data showed that high concentrations of BPA inhibited motility, motion kinematics, and capacitation of spermatozoa, perhaps because of increased lipid peroxidation and protein tyrosine nitration, and decreased intracellular ATP levels and protein kinase-A activity in spermatozoa. We also found that BPA compromised the rates of fertilization and early embryonic development. Differentially expressed proteins identified between BPA-exposed and control groups play a critical role in energy metabolism, stress responses, and fertility. Protein function abnormalities were responsible for the development of several diseases according to bioinformatics analysis. On the basis of these results, gestational exposure to BPA may alter capacitated spermatozoa function and the proteomic profile, ultimately affecting their fertility potential. PMID- 29198109 TI - Surface Defect Passivation and Reaction of c-Si in H2S. AB - A unique passivation process of Si surface dangling bonds through reaction with hydrogen sulfide (H2S) is demonstrated in this paper. A high-level passivation quality with an effective minority carrier lifetime (taueff) of >2000 MUs corresponding to a surface recombination velocity of <3 cm/s is achieved at a temperature range of 550-650 degrees C. X-ray photoelectron spectroscopy (XPS) confirmed the bonding states of Si and S and provides insights into the reaction pathway of Si with H2S and other impurity elements both during and after the reaction. Quantitative analysis of XPS spectra showed that the taueff increases with an increase in the surface S content up to ~3.5% and stabilizes thereafter, indicative of surface passivation by monolayer coverage of S on the Si surface. However, S passivation of the Si surface is highly unstable because of thermodynamically favorable reaction with atmospheric H2O and O2. This instability can be eliminated by capping the S-passivated Si surface with a protective thin film such as low-temperature-deposited amorphous silicon nitride. PMID- 29198110 TI - Label-Free Platform for MicroRNA Detection Based on the Fluorescence Quenching of Positively Charged Gold Nanoparticles to Silver Nanoclusters. AB - A novel strategy was developed for microRNA-155 (miRNA-155) detection based on the fluorescence quenching of positively charged gold nanoparticles [(+)AuNPs] to Ag nanoclusters (AgNCs). In the designed system, DNA-stabilized Ag nanoclusters (DNA/AgNCs) were introduced as fluorescent probes, and DNA-RNA heteroduplexes were formed upon the addition of target miRNA-155. Meanwhile, the (+)AuNPs could be electrostatically adsorbed on the negatively charged single-stranded DNA (ssDNA) or DNA-RNA heteroduplexes to quench the fluorescence signal. In the presence of duplex-specific nuclease (DSN), DNA-RNA heteroduplexes became a substrate for the enzymatic hydrolysis of the DNA strand to yield a fluorescence signal due to the diffusion of AgNCs away from (+)AuNPs. Under the optimal conditions, (+)AuNPs displayed very high quenching efficiency to AgNCs, which paved the way for ultrasensitive detection with a low detection limit of 33.4 fM. In particular, the present strategy demonstrated excellent specificity and selectivity toward the detection of target miRNA against control miRNAs, including mutated miRNA-155, miRNA-21, miRNA-141, let-7a, and miRNA-182. Moreover, the practical application value of the system was confirmed by the evaluation of the expression levels of miRNA-155 in clinical serum samples with satisfactory results, suggesting that the proposed sensing platform is promising for applications in disease diagnosis as well as the fundamental research of biochemistry. PMID- 29198111 TI - Expansion of the Genetic Alphabet: A Chemist's Approach to Synthetic Biology. AB - The information available to any organism is encoded in a four nucleotide, two base pair genetic code. Since its earliest days, the field of synthetic biology has endeavored to impart organisms with novel attributes and functions, and perhaps the most fundamental approach to this goal is the creation of a fifth and sixth nucleotide that pair to form a third, unnatural base pair (UBP) and thus allow for the storage and retrieval of increased information. Achieving this goal, by definition, requires synthetic chemistry to create unnatural nucleotides and a medicinal chemistry-like approach to guide their optimization. With this perspective, almost 20 years ago we began designing unnatural nucleotides with the ultimate goal of developing UBPs that function in vivo, and thus serve as the foundation of semi-synthetic organisms (SSOs) capable of storing and retrieving increased information. From the beginning, our efforts focused on the development of nucleotides that bear predominantly hydrophobic nucleobases and thus that pair not based on the complementary hydrogen bonds that are so prominent among the natural base pairs but rather via hydrophobic and packing interactions. It was envisioned that such a pairing mechanism would provide a basal level of selectivity against pairing with natural nucleotides, which we expected would be the greatest challenge; however, this choice mandated starting with analogs that have little or no homology to their natural counterparts and that, perhaps not surprisingly, performed poorly. Progress toward their optimization was driven by the construction of structure-activity relationships, initially from in vitro steady-state kinetic analysis, then later from pre-steady-state and PCR-based assays, and ultimately from performance in vivo, with the results augmented three times with screens that explored combinations of the unnatural nucleotides that were too numerous to fully characterize individually. The structure-activity relationship data identified multiple features required by the UBP, and perhaps most prominent among them was a substituent ortho to the glycosidic linkage that is capable of both hydrophobic packing and hydrogen bonding, and nucleobases that stably stack with flanking natural nucleobases in lieu of the potentially more stabilizing stacking interactions afforded by cross strand intercalation. Most importantly, after the examination of hundreds of unnatural nucleotides and thousands of candidate UBPs, the efforts ultimately resulted in the identification of a family of UBPs that are well recognized by DNA polymerases when incorporated into DNA and that have been used to create SSOs that store and retrieve increased information. In addition to achieving a longstanding goal of synthetic biology, the results have important implications for our understanding of both the molecules and forces that can underlie biological processes, so long considered the purview of molecules benefiting from eons of evolution, and highlight the promise of applying the approaches and methodologies of synthetic and medical chemistry in the pursuit of synthetic biology. PMID- 29198112 TI - Probing Intermolecular Vibrational Symmetry Breaking in Self-Assembled Monolayers with Ultrahigh Vacuum Tip-Enhanced Raman Spectroscopy. AB - Ultrahigh vacuum tip-enhanced Raman spectroscopy (UHV-TERS) combines the atomic scale imaging capability of scanning probe microscopy with the single-molecule chemical sensitivity and structural specificity of surface-enhanced Raman spectroscopy. Here, we use these techniques in combination with theory to reveal insights into the influence of intermolecular interactions on the vibrational spectra of a N-N'-bis(2,6-diisopropylphenyl)-perylene-3,4:9,10-bis(dicarboximide) (PDI) self-assembled monolayer adsorbed on single-crystal Ag substrates at room temperature. In particular, we have revealed the lifting of a vibrational degeneracy of a mode of PDI on Ag(111) and Ag(100) surfaces, with the most strongly perturbed mode being that associated with the largest vibrational amplitude on the periphery of the molecule. This work demonstrates that UHV-TERS enables direct measurement of molecule-molecule interaction at nanoscale. We anticipate that this information will advance the fundamental understanding of the most important effect of intermolecular interactions on the vibrational modes of surface-bound molecules. PMID- 29198113 TI - Characterization of Chlamydomonas reinhardtii Core Histones by Top-Down Mass Spectrometry Reveals Unique Algae-Specific Variants and Post-Translational Modifications. AB - The unicellular microalga Chlamydomonas reinhardtii has played an instrumental role in the development of many new fields (bioproducts, biofuels, etc.) as well as the advancement of basic science (photosynthetic apparati, flagellar function, etc.). Chlamydomonas' versatility ultimately derives from the genes encoded in its genome and the way that the expression of these genes is regulated, which is largely influenced by a family of DNA binding proteins called histones. We characterize C. reinhardtii core histones, both variants and their post translational modifications, by chromatographic separation, followed by top-down mass spectrometry (TDMS). Because TDMS has not been previously used to study Chlamydomonas proteins, we show rampant artifactual protein oxidation using established nuclei purification and histone extraction methods. After addressing oxidation, both histones H3 and H4 are found to each have a single polypeptide sequence that is minimally acetylated and methylated. Surprisingly, we uncover a novel monomethylation at lysine 79 on histone H4 present on all observed molecules. Histone H2B and H2A are found to have two and three variants, respectively, and both are minimally modified. This study provides an updated assessment of the core histone proteins in the green alga C. reinhardtii by top down mass spectrometry and lays the foundation for further investigation of these essential proteins. PMID- 29198114 TI - Cooperative Electrocatalytic O2 Reduction Involving Co(salophen) with p Hydroquinone as an Electron-Proton Transfer Mediator. AB - The molecular cobalt complex, Co(salophen), and para-hydroquinone (H2Q) serve as effective cocatalysts for the electrochemical reduction of O2 to water. Mechanistic studies reveal redox cooperativity between Co(salophen) and H2Q. H2Q serves as an electron-proton transfer mediator (EPTM) that enables electrochemical O2 reduction at higher potentials and with faster rates than is observed with Co(salophen) alone. Replacement of H2Q with the higher-potential EPTM, 2-chloro-H2Q, allows for faster O2 reduction rates at higher applied potential. These results demonstrate a unique strategy to achieve improved performance with molecular electrocatalyst systems. PMID- 29198115 TI - Effects of Salt-Controlled Self-Assembly of Triblock Copolymers F68 on Interaction Forces between Oil Drops in Aqueous Solution. AB - Nonionic triblock copolymers, surfactant Pluronic F68 (PEO76-PPO29-PEO76), are widely used in industrial processes, such as foaming, emulsification, and stabilization. The behaviors of triblock copolymers such as the salt-dependent self-assembly in bulk solution and the irreversible adsorption at the oil/water interface are mainly focused to explore their effects on the interaction forces between nano-spacing interfaces of oil droplets. In this study, the atomic force microscopy (AFM) technique was employed to measure the drop interaction forces with different F68 bulk concentrations. All selected bulk concentrations (>=100 MUM) of copolymers can ensure the formation of a stable layer structure of stretched polymer chains ("brush") at the oil/water interface, which behaved as a mechanical barrier at the interface. This study quantified the forces caused by the space hindrance of F68 copolymers both in the bulk phase and at the interface of oil/F68 aqueous solution during drop interaction. The effects of monovalent electrolyte (NaCl)-induced self-assembly behavior of triblock copolymers F68 in bulk solution on drop interaction forces were measured through the AFM technique. PMID- 29198116 TI - Characterization and Detection of Erythropoietin Fc Fusion Proteins Using Liquid Chromatography-Mass Spectrometry. AB - Erythropoietin Fc (EPO-Fc) fusion proteins are potential drug candidates that have been designed for the treatment of anemia in humans by stimulating erythrocyte production. Such compounds can be considered performance-enhancing agents that may be used by athletes in endurance sports. This study describes the primary structure of commercially available EPO-Fc based on comprehensive liquid chromatography coupled with mass spectrometry (LC-MS) analysis. A bottom-up approach and the intact molecular weight (MW) measurement of deglycosylated protein and its IdeS proteolytic fractions was used to determine the amino acid sequence of EPO-Fc. Using multiple proteases, peptides covering unknown fusion breakpoints (spacer peptides) were identified. We demonstrated that "spacer peptides" can be used in the determination of EPO-Fc fusion proteins in biological samples using common LC-tandem MS methods. PMID- 29198117 TI - Controlled Formation of Radial Core-Shell Si/Metal Silicide Crystalline Heterostructures. AB - The highly controlled formation of "radial" silicon/NiSi core-shell nanowire heterostructures has been demonstrated for the first time. Here, we investigated the "radial" diffusion of nickel atoms into crystalline nanoscale silicon pillar 11 cores, followed by nickel silicide phase formation and the creation of a well defined shell structure. The described approach is based on a two-step thermal process, which involves metal diffusion at low temperatures in the range of 200 400 degrees C, followed by a thermal curing step at a higher temperature of 400 degrees C. In-depth crystallographic analysis was performed by nanosectioning the resulting silicide-shelled silicon nanopillar heterostructures, giving us the ability to study in detail the newly formed silicide shells. Remarkably, it was observed that the resulting silicide shell thickness has a self-limiting behavior, and can be tightly controlled by the modulation of the initial diffusion-step temperature. In addition, electrical measurements of the core shell structures revealed that the resulting shells can serve as an embedded conductive layer in future optoelectronic applications. This research provides a broad insight into the Ni silicide "radial" diffusion process at the nanoscale regime, and offers a simple approach to form thickness-controlled metal silicide shells in the range of 5-100 nm around semiconductor nanowire core structures, regardless the diameter of the nanowire cores. These high quality Si/NiSi core shell nanowire structures will be applied in the near future as building blocks for the creation of utrathin highly conductive optically transparent top electrodes, over vertical nanopillars-based solar cell devices, which may subsequently lead to significant performance improvements of these devices in terms of charge collection and reduced recombination. PMID- 29198118 TI - Rapid and Quantitative Detection of Vibrio parahemolyticus by the Mixed-Dye-Based Loop-Mediated Isothermal Amplification Assay on a Self-Priming Compartmentalization Microfluidic Chip. AB - Vibrio parahemolyticus (VP) mostly isolated from aquatic products is one of the major causes of bacterial food-poisoning events worldwide, which could be reduced using a promising on-site detection method. Herein, a rapid and quantitative method for VP detection was developed by applying a mixed-dye-loaded loop mediated isothermal amplification (LAMP) assay on a self-priming compartmentalization (SPC) microfluidic chip, termed on-chip mixed-dye-based LAMP (CMD-LAMP). In comparison to conventional approaches, CMD-LAMP was advantageous on the limit of detection, which reached down to 1 * 103 CFU/mL in food contaminated samples without the pre-enrichment of bacteria. Additionally, as a result of the use of a mixed dye and SPC chip, the quantitative result could be easily acquired, avoiding the requirement of sophisticated instruments and tedious operation. Also, CMD-LAMP was rapid and cost-effective. Conclusively, CMD LAMP has great potential in realizing the on-site quantitative analysis of VP for food safety. PMID- 29198119 TI - Synthesis of Fluorescent Au Nanocrystals-Silica Hybrid Nanocomposite (FLASH) with Enhanced Optical Features for Bioimaging and Photodynamic Activity. AB - Fluorescent Au nanocrystals (AuNCs)-silica hybrid nanocomposite (FLASH) was synthesized by co-condensation of surface-modified AuNCs. Present FLASH nanocomposite exhibited four times the enhanced photoluminescence and photocatalytic activity compared to single nanocrystals. On the basis of these enhanced optical features, we successfully demonstrated in vitro fluorescence bioimaging of introduced FLASH to human cervical cancer cell line (HeLa). Beyond the confirmation of photocatalytic activity from the photodegradation of methylene blue as a model compound, the regional selective photodynamic therapy of HeLa cells under UV irradiation was also presented. Taken together the enhanced optical features and further potential in theranostic applications, we expect that the present FLASH can be a promising tool for nanobiotechnology field. PMID- 29198120 TI - In Situ Interfacial Conjugation of Chitosan with Cinnamaldehyde during Homogenization Improves the Formation and Stability of Chitosan-Stabilized Emulsions. AB - The emulsifying properties of a natural cationic polysaccharide (chitosan) were improved by in situ conjugation with a natural essential oil (cinnamaldehyde, CA) during homogenization. In the absence of CA, chitosan-coated medium-chain triglyceride droplets were highly susceptible to creaming and coalescence at pH values ranging from 1 to 6.5. However, incorporation of relatively low levels of CA in the oil phase greatly improved the formation and stability of oil-in-water emulsions. These effects were attributed to two main factors: (i) covalent binding of lipophilic CA moieties to hydrophilic chitosan chains leading to conjugates with a good surface activity and (ii) interfacial cross-linking of adsorbed chitosan layers by CA leading to the formation of a rigid polymeric coating around the lipid droplets, which improved their stability against coalescence. The encapsulation technique developed in this study may be useful for applications in a range of commercial products; regulatory and flavor issues associated with chitosan and CA would have to be addressed. PMID- 29198121 TI - Industry-Academic Collaboration in Oral Biopharmaceutics: The European IMI OrBiTo Project. PMID- 29198122 TI - Iron deposition in rabbit cerebellum after exposure to generated and mobile GSM electromagnetic fields. AB - BACKGROUND: Mobile phone application may cause structural, functional changes and accumulation of toxic elements in brain. OBJECTIVES: The aim of this study was to investigate iron accumulation in rabbit cerebellum after exposure to RF EMF with light and scanning electron microscopy. MATERIALS AND METHODS: Histochemical analysis of iron distribution by light and electron microscopy with energy dispersive microanalysis was used. RESULTS: Light microscopy revealed dystrophic changes of Purkinje cells in irradiated groups and iron deposits located in various parts of cerebellum. Deposits consists of C, O, Na, Mg, Al, Si, P, S, Cl, Ca and Fe. CONCLUSION: Our experiment revealed structural changes of Purkinje cells and iron and aluminium accumulations in stratum granulosum of rabbit's cerebellum after exposure to RF EMF (Fig. 6, Ref. 33). PMID- 29198123 TI - Comparative analysis of human omental milky spots between the patients with colon cancer and the control group. AB - AIM: Morphological description of milky spots (MSs) in the human greater omentum. METHOD: Samples of the greater omentum collected during surgical procedures were subjected to further histological analysis. Two groups of patients were studied. Group A consisted of patients with colon cancer and peritonitis (stimulated MSs), group B consisted of patients without colon cancer and without peritonitis (unstimulated MSs). In the research, we focused on the cellular composition and differences between stimulated and unstimulated MSs. RESULTS: MSs detected in the study were predominantly oval (67 %), round (12 %) or irregular in shape (21 %). The average number of immune cells found in one milky spot (MS) in the group A was 454 (209-694), consisted of T cells in 44.7 % (27-55 %), B cells in 26.8 % (16-34 %), macrophages in 18.3 % (12-27 %) and other immune cells in 10.2 % (6-18 %). The average number of immune cells found in one MS in the group B was 58 (42 100 %), consisted of T cells in 21.1 % (16-22 %), B cells in 18.7 % (13-22 %), macrophages in 46.9 % (33-60 %) and other immune cells in 13.3 % (1-22 %). The average size of MSs in the group A was significantly higher than in the group B: 768 MUm (313-1075) to 293 MUm (197-421). The results showed that there were significant differences in terms of strong predominance of macrophages in unstimulated milky spots and strong predominance of T cells in stimulated milky spots. CONCLUSION: MSs are specific immune active lymphatic structures on the greater omentum. They play a key role in defense mechanism, especially in peritonitis. Their function is not completely clear in cancer, some authors suggest they might play a significant role in omental metastasis. Further analysing of the morphology and cells interactions of MSs is needed (Tab. 2, Fig. 6, Ref. 20). PMID- 29198124 TI - Investigation of the effectiveness of ghrelin treatment in lung tissue of rats with sepsis. AB - OBJECTIVE: We aimed to investigate the effects of exogenous ghrelin on cytokine and ghrelin levels, oxidant parameters, and apoptotic genes in lung tissue during sepsis. BACKGROUND: There was evidence that changes of apoptosis are linked with morbidity and mortality in sepsis. There were scarce studies on the effect of ghrelin on apoptotic genes and endogenous ghrelin levels during sepsis. METHODS: Male Wistar albino rats 200-250 g were separated into four groups; Control, LPS (5 mg/kg), Ghrelin (10 nmol/kg i.v.), and LPS+Ghrelin. Tumor necrosis factor alpha (TNF-alpha), interleukin-10 (IL-10), and ghrelin levels were determined from lung tissue using enzyme-linked immunosorbent assay (ELISA). TNF-alpha, IL 10, Bcl-2, and Bax gene expressions were calculated using quantitative real-time polymerase chain reaction (RT-PCR), tissue superoxide dismutase enzyme (SOD) activities and malondialdehyde (MDA) were determined spectrophotometerically. RESULTS: TNF-alpha levels decreased in the LPS+Ghrelin group compared with the LPS (p < 0.001). IL-10 and MDA levels were found highly significantly increased in the LPS and LPS+Ghrelin groups (p < 0.05). Tissue SOD activities were higher in the Ghrelin and LPS+Ghrelin group compared with the LPS (p < 0.05). TNF-alpha, and Bax expression levels were increased in the LPS compared with the other groups. IL-10 expression levels were increased in the experimental groups compared with the controls. Bcl-2 expression levels were increased in the Ghrelin and LPS+Ghrelin compared with other groups. CONCLUSION: Ghrelin treatment attenuated LPS-induced lung injury. Treatment with ghrelin had no impact on serum and tissue ghrelin levels, but it decreased the level of proinflammatory cytokines. We found that ghrelin treatment had an antioxidant effect on SOD levels. Also, ghrelin decreased the activity of proapoptotic Bax and increased antiapoptotic Bcl-2. Our findings suggest that administration of ghrelin may attenuate damage in lung tissue during sepsis (Fig. 4, Ref. 33). PMID- 29198125 TI - Comparison between the effect of kartogenin and TGFbeta3 on chondrogenesis of human adipose- derived stem cells in fibrin scaffold. AB - BACKGROUND: Due to very sluggish turnover at the molecular and cellular level, the healing of chondral damages has been considered difficult. In the current study, the effects of the Kartogenin, a small heterocyclic molecule on chondrogenic differentiation of stem cells was compared to TGF-beta3. METHODS: Human Adipose-Derived Stem Cells were extracted during an elective surgery. Cell viability was estimated by MTT assay, differentiated cells evaluated by histological and immunohistochemical techniques. Expression of cartilage specific genes (SOX9, Aggrecan, type II and X collagens) assessed by real-time PCR. RESULTS: The real-time PCR assay has revealed the expression of gene marker of chondrogenesis, SOX9, Aggrecan and type II collagen, both in Kartogenin and TGFbeta3 groups compared to the control group, significantly (p < 0.05). A low expression level of collagen type X as a hypertrophic marker was seen in cartilage produced by using Kartogenin. Meanwhile, the level of type X collagen protein in Kartogenin group was significantly decreased (p > 0.05) compared to TGF-beta3 group. CONCLUSION: Kartogenin was suitable for successful chondrogenic differentiation of human adipose- derived stem cells and a suppressor of the consequent hypertrophy (Tab. 1, Fig. 5, Ref. 31). PMID- 29198126 TI - Effect of lipopolysaccharide on toll-like receptor-4 signals in mouse cancer cells. AB - BACKGROUND: Recent findings showed that activated TLR signals on cancer cells might promote cancer progression. This study was designed to explore the influence of Toll-like receptor 4 (TLR4) agonist lipopolysaccharides (LPS) on mouse melanoma and breast cancer cell proliferation and their TLR4 signalling. METHODS: Mouse melanoma cell line (B16F10) and breast cancer cell line (4T1) were taken as models. They were treated with LPS (0, 1.25, 2.5, 5, 7.5, 10 ug/ml) for 4, 16, 24, 48 h and MTT assay was done. The expression of TLR4, MyD88, NF-kappaB mRNA was detected by quantitative real time-polymerase chain reaction method quantitatively. RESULTS: Ultra-pure LPS at 5 ug/ml concentration increased significantly B16F10 cell viability 24 hour after stimulation, but not in 4T1 cell. The mRNA levels of TLR4, MyD88 and NF-kappaB were significantly up regulated in both cell lines by stimulating the cells at 5 ug/ml LPS. CONCLUSIONS: Our data demonstrated that B16F10 and 4T1 cells are responsive to LPS, but their responses are time and dose dependent. These results provide new ways to understand the TLR4 signalling in tumour cells (Fig. 2, Ref. 24). PMID- 29198127 TI - Immunohistochemical investigation of P16, P53 and Ki-67's prognostic values in diffuse large B-Cell lymphomas. AB - AIM: The aim of this study is to determine the immunohistochemical properties of Ki-67, P53 expression and loss of P16, and to assess their relationship with both clinical parameters and patient survival in DLBCL. METHOD: Forty patients, diagnosed at the Pathology Department of our institute with nodal DLBCL were selected as the study group. The relationship between P16, P53, Ki-67 expressions and clinical and laboratory parameters like age, gender, performance status, Eastern Cooperative Oncology Group (ECOG), clinical stage, presence of B symptoms, bone marrow involvement, International Prognostic Index (IPI) score, lactate dehydrogenase (LDH) level, extranodal extension, relapse, C-reactive protein (CRP), sedimentation, number of leukocytes in patients and patient survival were then statistically evaluated. RESULTS: Our results display no statistically significant correlation between P53 expression and loss of P16, Ki 67 proliferation index and clinical parameters and overall survival (p > 0.05). The only statistically significant relationship was between loss of P16 and stage (p 0.05). CONCLUSION: According to the results of our study, the loss of P16, P53 gene expression and Ki-67 proliferation index have no effect on life expectancy of patients with DLBCL (Tab. 2, Fig. 2, Ref. 29). PMID- 29198128 TI - Proprotein convertase 1 mediated proneuropeptide proteolytic processing in ischemic neuron injury. AB - BACKGROUND: Pro-protein processing mechanism plays an important role in neuron injury. OBJECTIVE: To study the protein convertase 1 (PC1) mediated processing mechanism, the ischemic cellular or tissue proPC1/PC1 or proCgA/CgA (pro chromogranin A) was analyzed. METHODS: NS20Y differentiated cells were stressed by 0-6 h of oxygen and glucose deprivation (OGD) in glucose-free DMEM and an anaerobic jar environment. Ischemic C57BL/J mouse model was established by performing 60-min of middle cerebral artery occlusion (MCAO) operation and subsequent 4 or 24-h reperfusion. The TUNEL, immunochemistry, and Western blot methods were used to detect protein expression in ischemic cells or tissues. RESULTS: The OGD or MCAO stress caused substantial cell death in a dose-dependent manner (p < 0.05 or 0.01). With the increasing OGD dose, proPC1 and PC1 proteins gradually increased (p < 0.05 or 0.01) whereas proCgA and CgA proteins decreased (p < 0.05). In vivo the proPC1 and PC1 expressions presented with a peak at 4-h and then decreased at 24-h reperfusion (p < 0.05 or 0.01). The tissue proCgA and CgA proteins decreased with the increasing reperfusion time (p < 0.05). CONCLUSIONS: The results suggest that the increasing PC1 expression promoted the transformation of proCgA into CgA or smaller peptides, i.e. Pancreastatin or Secretoneurin, and the PC1 mediated processing plays a critical role (Fig. 4, Ref. 15). PMID- 29198129 TI - Hemodynamic effects of epinephrine in rats: evaluation by impedance cardiography. AB - BACKGROUND AND OBJECTIVES: This study was aimed to examine how inotropic effects of intravenously injected epinephrine change thoracic impedance measurements and to reveal the possible effects of this change on other hemodynamic parameters by using the technique of impedance cardiography. METHODS: 10 male Wistar Albino rats were divided into two equal groups: control and epinephrine. 0.2 mg/kg of epinephrine was administered to the rats in the epinephrine group via the tail vein. All hemodynamic parameters obtained by impedance cardiography [the base impedance (Z0), the maximum rate of change in impedance (dZmax/dt), the left ventricular ejection time (LVET), stroke volume (SV), cardiac output (CO), contractility index (IC), thoracic fluid content (TFC), heart rate (HR)] were recorded using the EBI 100C, DA 100 and ECG modules in the BIOPAC MP100 system. RESULTS: CO (p <= 0.05), HR (p <= 0.001), dZmax/dt (p <= 0.05) and IC (p <= 0.05) increased statistically significantly in the epinephrine group compared to the control group. However, LVET (p <= 0.001) decreased statistically significantly in the epinephrine group compared to the control group. CONCLUSION: Tachycardia was detected in the epinephrine group. There was an inverse correlation between LVET and dZmax/dt and IC. This is based on the fact that epinephrine increases inotropic effect (Tab. 2, Fig. 4, Ref. 30). PMID- 29198130 TI - The protective effect of thymoquinone over olanzapine-induced side effects in liver, and metabolic side effects. AB - OBJECTIVES: The aim of the study was to investigate the possible protective qualities of thymoquinone (TQ) against the side-effects of olanzapine (OLZ) in an experimental model in rat liver with histologic and biochemical assessments. METHODS: Experimental procedures were performed on 35 female Sprague Dawley rats. Rats were randomly divided into five groups as: group 1: control; group 2: OLZ; group 3: OLZ+TQ-1; group 4: OLZ+TQ-2; and group 5: OLZ+TQ-3. RESULTS: The results showed that a 2-week administration of OLZ (4 mg/kg, once a day for the first week, 8 mg/kg once a day for the second week, p.o.) and treatment with TQ (25, 50, 100 mg/kg, once daily, p.o.) significantly reduced weight gain induced by OLZ. In addition, TQ increased the total antioxidant status (TAS), high-density lipoprotein cholesterol (HDL), insulin levels and decreased serum oxidative stress index (OSI), total oxidant status (TOS), alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma glutamyl transpeptidase (GGT), low density lipoprotein cholesterol (LDL), glucose, triglycerides (TG) and total cholesterol (CH) levels significantly (p < 0.05). CONCLUSION: This study revealed that treatment with TQ might protect liver tissue against the side-effects of OLZ. TQ could be an effective course of therapy to enhance therapeutic efficacy (Tab. 4, Fig. 4, Ref. 47). PMID- 29198131 TI - Early detection of cardiac surgery-associated acute kidney injury by microRNA-21. AB - We tested the hypothesis whether microRNA-21 (miR-21) can detect CSA-AKI earlier than serum creatinine (sCr). A total of 103 patients scheduled to undergo cardiac surgery. CSA-AKI was defined as sCr > 0.3 mg/dl 24 h after surgery. The patients were divided into two groups according to whether or not developing AKI after surgery. Serum and urinary miR-21 were measured prior to, and 6, 12 and 24 h after surgery. Baseline serum and urinary levels of miR-21 in AKI group were lower than in non-AKI group. Moreover, the levels of miR-21 were significantly lower 6 h after surgery for serum, and 6 and 12 h after surgery for urine samples than those before surgery in AKI group. Area under the curve (AUC) of the receiver operating characteristic (ROC) values were 0.81 (95% CI: 0.65-0.97) for serum miR-21 (6 h after surgery), 0.90 (95% CI: 0.79-0.99) for urine (6 h after surgery), and 0.86 (95% CI: 0.71-0.98) for urine (12 h after surgery). While both postoperative serum and urinary miR-21 levels can predict AKI development, urinary miR-21 especially 6 h after surgery is a more reliable marker than serum miR-21 for detection of established CSA-AKI (Tab. 1, Fig. 3, Ref. 43). PMID- 29198132 TI - MEG3 long non-coding RNA prevents cell growth and metastasis of osteosarcoma. AB - OBJECTIVE: This study aimed to investigate the role of long non-coding RNA MEG3 (lncRNA MEG3) in osteosarcoma (OS) and further explore the underlying molecular mechanism. MATERIALS AND METHODS: The expression profiles of MEG3 in OS cell lines and normal osteoblast cell line were detected by qRT-PCR. MEG3 was over expressed in OS cell line by using LV-MEG3. MTT and colony-formation assays were applied for cell proliferation analysis. Cell migration assay was applied to investigate the cell migration ability. In addition, the expression levels of cell growth and metastasis related factors (Notch1, Hes1, TGF-beta, N-cadheren and E-cadheren) were determined to illustrate the mechanisms. RESULTS: We found that compared with normal osteoblast hFOB1.19 cell line, MEG3 was significantly down-regulated in MG63 and U2OS cell lines, particularly in MG-63 cells. MEG3 was significantly up-regulated in MG63 cells by LV-MEG3. Cell proliferation and migration ability were obviously repressed by MEG3 over-expression. In addition, MEG3 over-expression markedly inhibited Notch1, Hes1,TGF-beta and N-cadheren expression, and the expression level of E-cadheren was improved. CONCLUSIONS: These results indicated that MEG3 could prevent cell growth and metastasis of OS by repressing Notch and TGF-beta signaling pathway, thus providing a potential therapeutic target for OS treatment (Tab. 1, Fig. 4, Ref. 30). PMID- 29198133 TI - FOXP3, RORgammat and IL-10 cytokine profile in chronic heart failure. AB - BACKGROUND: Distinct subsets of T cells play crucial regulatory roles in inflammatory processes of chronic heart failure (CHF). Retinoic acid receptor related orphan receptor-gammat (Ror-gammat) and Forkhead box P3 (Foxp3) have been defined as the "master regulators" of Th17 cells and Treg cells, respectively. At the same time, anti-inflammatory cytokines such as IL-10 may neutralize inflammation in CHF. The current study was designed to compare FOXP3, RORgammat and IL-10 protein expression in the blood and IL-10 in supernatant PBMCs in CHF patients versus normal subjects. PATIENTS AND METHODS: Our study population consisted of 42 patients with CHF in four different function classes and 42 healthy subjects who served as controls. RNA extraction and cDNA synthesis was performed and mRNA expression for genes FOXP3, RORgammat, IL-10 was determined by RT-PCR. The amount of IL-10 protein in supernatant of PBMCs was measured by ELISA technique. RESULTS: There was no significant difference in FOXP3, RORgammat, IL 10 protein expression and supernatant PBMCs IL-10 in CHF patients as compared to control. The level of Foxp3 was significantly lower in CHF patients with ischemic vs non-ischemic cause (p = 0.04). DISCUSSION: Although inflammation plays a central role in the pathophysiology of CHF, the roles of FOXp3, RORgammat, and IL 10 remain to be determined (Tab. 3, Ref. 33). PMID- 29198134 TI - If We Build It, Will They Come? Perceptions of HIV Cure-Related Research by People Living with HIV in Four U.S. Cities: A Qualitative Focus Group Study. AB - Global interest and investment in the search for an HIV cure has increased. Research has focused on what experts refer to as a sterilizing or eradicating cure, where HIV is eliminated from the body, and on what is often called a functional cure, where HIV remains, kept durably suppressed in the absence of antiretroviral treatment and therapy (ART). Many believe that a functional cure is likely to be found first. HIV cure studies will require active participation by people living with HIV (PLWHIV). Their desires and perceptions will be important to effectively recruit study participants and for the uptake of any future strategy that demonstrates safety and efficacy. The perspectives of PLWHIV are essential to advancing HIV cure research, and they should be taken into consideration as biomedical research advances. We conducted 10 focus groups in four U.S. cities, eliciting perspectives of PLWHIV on HIV cure and cure research. Most participants conceived of a cure as eradicating, and felt favorably toward it. In addition to the physical benefits of a potential cure, participants valued the possible de-stigmatization related to no longer living with HIV, liberation from concerns about transmitting HIV, and freedom from the burden of daily medication. Many participants did not regard a functional cure as an improvement over controlling HIV through ART, were distrustful about viral rebound potential, and noted concerns about medical complications and accompanying psychological distress. Some felt that the risks of HIV cure research were not worth taking. Many were skeptical about science's ability to eliminate HIV from the body. PMID- 29198135 TI - Tissue Inhibitor of Metalloproteinase-3 Promotes Schwann Cell Myelination. AB - Tissue inhibitor of metalloproteinase-3 (TIMP-3) inhibits the activities of various metalloproteinases including matrix metalloproteinases and ADAM family proteins. In the peripheral nervous system, ADAM17, also known as TNF-alpha converting enzyme (TACE), cleaves the extracellular domain of Nrg1 type III, an axonal growth factor that is essential for Schwann cell myelination. The processing by ADAM17 attenuates Nrg1 signaling and inhibits Schwann cell myelination. TIMP-3 targets ADAM17, suggesting a possibility that TIMP-3 may elicit a promyelinating function in Schwann cells by relieving ADAM17-induced myelination block. To investigate this, we used a myelinating coculture system to determine the effect of TIMP-3 on Schwann cell myelination. Treatment with TIMP-3 enhanced myelin formation in cocultures, evident by an increase in the number of myelin segments and upregulated expression of Krox20 and myelin protein. The effect of TIMP-3 was accompanied by the inhibition of ADAM17 activity and an increase in Nrg1 type III signaling in cocultures. Accordingly, the N-terminus fragment of TIMP-3, which exhibits a selective inhibitory function toward ADAM17, elicited a similar myelination-promoting effect and increased Nrg1 type III activity. TIMP-3 also enhanced laminin production in cocultures, which is likely to aid Schwann cell myelination. PMID- 29198136 TI - Hyperhomocysteinemia-Induced Gene Expression Changes in the Cell Types of the Brain. AB - High plasma levels of homocysteine, termed hyperhomocysteinemia, are a risk factor for vascular cognitive impairment and dementia, which is the second leading cause of dementia. While hyperhomocysteinemia induces microhemorrhages and cognitive decline in mice, the specific effect of hyperhomocysteinemia on each cell type remains unknown. We took separate cultures of astrocytes, microglia, endothelial cells, and neuronal cells and treated each with moderate levels of homocysteine for 24, 48, 72, and 96 hr. We then determined the gene expression changes for cell-specific markers and neuroinflammatory markers including the matrix metalloproteinase 9 system. Astrocytes had decreased levels of several astrocytic end feet genes, such as aquaporin 4 and an adenosine triphosphate (ATP)-sensitive inward rectifier potassium channel at 72 hr, as well as an increase in matrix metalloproteinase 9 at 48 hr. Gene changes in microglia indicated a peak in proinflammatory markers at 48 hr followed by a peak in the anti-inflammatory marker, interleukin 1 receptor antagonist, at 72 hr. Endothelial cells had reduced occludin expression at 72 hr, while kinases and phosphatases known to alter tau phosphorylation states were increased in neuronal cells. This suggests that hyperhomocysteinemia induces early proinflammatory changes in microglia and astrocytic changes relevant to their interaction with the vasculature. Overall, the data show how hyperhomocysteinemia could impact Alzheimer's disease and vascular cognitive impairment and dementia. PMID- 29198137 TI - A cross-sectional survey of cardiovascular health and lifestyle habits of hospital staff in the UK: Do we look after ourselves? AB - Background A high prevalence of stress-related disorders is well known among healthcare professionals. We set out to assess the prevalence of cardiovascular risk factors and compliance with national dietary and physical activity recommendations in NHS staff in the UK with comparison between clinical and non clinical staff, and national surveys. Design A multi-centre cross-sectional study. Methods A web-based questionnaire was developed to include anonymised data on demographics, job role, cardiovascular risk factors and diseases, dietary habits, physical activity and barriers towards healthy lifestyle. This was distributed to staff in four NHS hospitals via emails. Results A total of 1158 staff completed the survey (response rate 13%) with equal distribution between the clinical and non-clinical groups. Most staff were aged 26-60 years and 79% were women. Half of the staff were either overweight or obese (51%) with no difference between the groups ( P = 0.176), but there was a lower prevalence of cardiovascular risk factors compared to the general population. The survey revealed a low compliance (17%) with the recommended intake of five-a-day portions of fruit and vegetables, and that of moderate or vigorous physical activity (56%), with no difference between the clinical and non-clinical staff ( P = 0.6). However, more clinical staff were exceeding the alcohol recommendations ( P = 0.02). Lack of fitness facilities and managerial support, coupled with long working hours, were the main reported barriers to a healthy lifestyle. Conclusions In this survey of UK NHS staff, half were found to be overweight or obese with a lower prevalence of cardiovascular risk factors compared to the general population. There was a low compliance with the five-a-day fruit and vegetables recommendation and physical activity guidelines, with no difference between the clinical and non-clinical staff. PMID- 29198138 TI - Post-traumatic stress disorder symptoms and aversive cognitions regarding physical activity in patients evaluated for acute coronary syndrome. PMID- 29198139 TI - Evaluation of the coronary flow by the coronary clearance time in patients with cardiac syndrome X. AB - Objective The vessels involved in the microcirculation are too small to be visualized by conventional angiography and no tools are currently available that can directly evaluate the coronary microcirculation. This study evaluated the coronary clearance frame count (CCFC) in patients with cardiac syndrome X (CSX). Methods The retrospective study enrolled patients with angina, who had a positive nuclear imaging test and normal coronary angiography; and a control group consisting of patients who underwent an angiogram to exclude coronary artery disease. Thrombosis in myocardial infarction frame count (TFC) and CCFC for each coronary artery (left anterior descending coronary artery [LAD], circumflex coronary artery [CFX] and right coronary artery [RCA]) were calculated offline. Results A total of 71 patients with CSX and 61 control patients were enrolled in the study. No significant differences were found between the two groups regarding the baseline demographic and clinical variables. The TFC of LAD, CFX and RCA were similar between the two groups. The mean CCFC-LAD, CCFC-CFX and CCFC-RCA were significantly longer in the CSX group compared with the control group. Conclusion CCFC is a simple, quantitative and highly reproducible method that might be used as a marker of coronary microvascular dysfunction. PMID- 29198140 TI - Development of stabilized tenofovir disoproxil tablet: degradation profile, stabilization, and bioequivalence in beagle dogs. AB - The purpose of this study was to develop a hydrolysis-resistant optimized oral formulation of tenofovir disoproxil (TD) using a stabilizer. To develop a stabilized TD tablet bioequivalent to the commercial TD fumarate (TDF, Viread(r)) tablet, TD free base was prepared and its degradation profile and stability were investigated. The TD tablet showed antiviral activity, but its absorption was limited in the intestinal tract because of premature degradation. The drug subjected to severe conditions for the stress test was catalyzed under neutral, basic, oxidative, and thermolytic conditions, whereas it was comparatively stable under acidic, photolytic, and humid states. The compatibility study showed that sodium bisulfite (SB) stabilized TD by preventing its degradation in aqueous and 3% peroxide solutions compared with the unstabilized TD. According to the stability analysis and degradation profile, four TD tablet formulations were prepared. The selected TD tablets were composed of non-hygroscopic excipients (lipophilic-fumed silica, anhydrous lactose, and microcrystalline cellulose [MCC]), SB, croscarmellose sodium (CCS), and hydrogenated castor oil (HCO), and were manufactured using a dry granulation method because of their hydrolytic properties. The stabilized TD tablet showed similar dissolution properties as the TDF (Viread(r)) reference tablet in pH 1.2, 4.0, and 6.8 and water. Moreover, the lower degradation rate of the tablet in simulated gastrointestinal fluid demonstrated that its intestinal absorption might have improved owing to prevention of its enzymatic hydrolysis and the pH effect. Finally, the formulated TD tablet was bioequivalent to the TDF (Viread(r)) reference tablet in beagle dogs. PMID- 29198141 TI - Association Between Plantar Fasciitis and Isolated Gastrocnemius Tightness. AB - BACKGROUND: An association between plantar fasciitis and isolated gastrocnemius tightness (IGT) has been postulated in the literature; however, there have been few studies to prove this relationship. This prospective cross-sectional cohort study was aimed at determining the association between plantar fasciitis and IGT. METHODS: Three groups comprising 45 patients with plantar fasciitis (group 1), 117 patients with foot and ankle pathology other than plantar fasciitis (group 2), and 61 patients without foot and ankle pathology (group 3) were examined for the presence of IGT using the Silfverskiold test. Statistical tests included chi square test, Student t test, and analysis of variance. RESULTS: Of the patients, 101 (45.3%) had IGT: 36 (80%) in group 1, 53 (45.3%) in group 2, and 12 (19.7%) in group 3. The difference in IGT prevalence between the groups was statistically significant at P < .001. The prevalence of IGT was similar between acute and chronic plantar fasciitis at 78.9% and 80.6%, respectively. CONCLUSION: There was a very strong association between plantar fasciitis and IGT using group 3 as a reference. This study suggests that IGT should be actively sought out and managed in patients with plantar fasciitis. LEVEL OF EVIDENCE: Level II, cross-sectional cohort prospective study. PMID- 29198142 TI - Comparison of Intercuneiform 1-2 Joint Mobility Between Hallux Valgus and Normal Feet Using Weightbearing Computed Tomography and 3-Dimensional Analysis. AB - BACKGROUND: An association has been reported between hallux valgus and hypermobility of the first ray, but subluxation of the intercuneiform 1-2 joint was also suspected in some cases. However, dynamics of the intercuneiform 1-2 joint has seldom been investigated. This study used weightbearing computed tomography (CT) and a 3-dimensional (3D) analysis system to evaluate displacement of the intercuneiform 1-2 joint, intercuneiform 2-3 joint, and second cuneonavicular joint due to weightbearing in hallux valgus and normal feet. METHODS: Patients were 11 women with hallux valgus (mean age, 56 years; mean hallux valgus angle, 43 degrees; mean first-second intermetatarsal angle, 22 degrees) and 11 women with normal feet (mean age, 57 years; mean hallux valgus angle, 14 degrees; mean first-second intermetatarsal angle, 9 degrees). Each patient was placed supine with the lower limbs extended, and CT was performed under nonweightbearing and weightbearing conditions (load equivalent to body weight). 3D models reconstructed from CT images were used to compare displacement of the intermediate cuneiform relative to the medial cuneiform under nonweightbearing and weightbearing conditions. RESULTS: Relative to the medial cuneiform, the middle cuneiform was displaced by 0.1 and 0.8 degrees due to dorsiflexion, 0.2 and 1.0 degrees due to inversion, and 0.7 and 0.7 degrees due to abduction in normal feet and feet with hallux valgus, respectively, with the latter having significantly greater dorsiflexion ( P = .0067) and inversion ( P = .0019). There was no significant intergroup difference at the intercuneiform 2-3 joint and second cuneonavicular joint. CONCLUSION: This study clarified the detailed load-induced displacement of the cuneiform 3-dimensionally. Compared with normal feet, hallux valgus feet had significantly greater mobility of the intercuneiform 1-2 joint, suggesting hypermobility of this joint. LEVEL OF EVIDENCE: Level III, case-control study. PMID- 29198143 TI - EBV+ HHV-8+ Multicentric Castleman Disease With Plasmablastic Aggregates in an HIV+ Man: An Evolving Clinicopathologic Entity. AB - We report a case of EBV+ and HHV-8+ multicentric Castleman disease with plasmablastic aggregates in an HIV-positive individual. A 41-year-old man presented in early 2015 with fevers, sweats, weight loss, intractable itching, and on subsequent testing was found to be HIV positive. Investigations showed cervical lymphadenopathy and splenomegaly. He was treated for HIV and his symptoms resolved. His symptoms recurred in January 2016, and a provisional diagnosis of multicentric Castleman disease was entertained. The HHV-8 (human herpesvirus-8) and EBV (Epstein-Barr virus) viral load was elevated. A left supraclavicular lymph node core biopsy was performed, which showed features of multicentric Castleman disease with plasmablastic aggregates that are EBV (EBER) and HHV-8 positive. He responded well to rituximab treatment and remains well with no symptoms at recent follow-up. PMID- 29198144 TI - The Great Imitator: Syphilis Presenting as an Inflammatory Pseudotumor of Liver. PMID- 29198145 TI - Pleomorphic Lobular Carcinoma: A Controversially Aggressive Variant of Invasive Lobular Carcinoma of the Breast. PMID- 29198146 TI - Salvage stereotactic radiosurgery for recurrent gliomas with prior radiation therapy. AB - This study aims to assess the viability of salvage stereotactic radiosurgery (SRS) for recurrent malignant gliomas through assessing overall survival, local control and toxicity. We performed a retrospective review of 65 patients with 76 lesions (55 high-grade, 21 low-grade) treated with salvage SRS between 2002 and 2012. Median follow-up from salvage SRS was 14.9 months (IQR: 0.9-28.1), 8.3 months (IQR: 4.0-13.3) and 8.5 months (IQR: 3.9-15.8) for low-grade, high-grade, and combined, respectively. A 12-month overall survival from salvage SRS was 68.4, 38.7 and 47.3% for low-grade, high-grade and combined respectively. A total of 6-month local control was 86.2, 53.8 and 65.3% for low-grade, high-grade and combined, respectively. Our results indicate salvage SRS can provide acceptable survival and local control with minimal toxicity. PMID- 29198147 TI - Optimisation of beta-cyclodextrin inclusion complexes with natural antimicrobial agents: thymol, carvacrol and linalool. AB - Beta-cyclodextrin (beta-CD) inclusion complexes with naturally derived antimicrobial (AM) agents: thymol, carvacrol and linalool were prepared using a co-precipitation technique. Conditions including solvent composition, temperature, reaction time and total solvent volume were investigated to optimise the inclusion efficiency (IE) and yield. Electrospray ionisation mass spectrometry was used to confirm the formation of the thymol/beta-CD complex and gas chromatography was used to quantify the amount AM agent that was encapsulated, absorbed onto the surface, or remaining in the filtered solvent. The systematic optimisation of the conditions improved both the yield of the complex and the IE of the AM agents compared to previously reported methods that have been applied to other agents. Using a 1:1 mole ratio of the AM agent to beta CD, the optimised parameters resulted in maximum yields of 87, 84 and 86% (w/w) for thymol, carvacrol and linalool, respectively, with IE's close to 100% (w/w) for each agent. PMID- 29198148 TI - US human factors engineering evaluation of an updated follitropin alfa pen injector (GONAL-f(r) RFF Redi-ject(r)) and instructions for use. AB - OBJECTIVES: The multi-dose, pre-filled GONAL-f(r) RFF Redi-ject(r) (follitropin alfa injection) pen injector was updated following feedback on user experience and pen functionality, as part of a continuous assessment program. Human-factors engineering (HFE) evaluations were conducted to confirm that the updated pen injector could be used by intended users to safely and effectively perform critical tasks identified by the risk-management plan. METHODS: Five rounds of formative evaluation and a simulated-use summative evaluation of the pen injector, instructions for use (IFU), and training video were conducted by HFE specialists or the intended users of the pen injector. RESULTS: The IFU and training video were revised following formative evaluations. Summative evaluation of simulated-use involved 60 participants, each of whom performed six use scenarios related to potential hazards, selected on the basis of the risk management plan. Overall, participants found the pen injector easy to use and the IFU clear and effective. CONCLUSIONS: Through an iterative process involving a series of HFE evaluations, modifications were made to the injection mechanism, the dose display, the IFU and the training video. Summative evaluation confirmed that the updated pen injector and associated user materials can be used safely and effectively to perform critical tasks identified through the risk-management plan. PMID- 29198149 TI - Correction to: Tan et al., Recent developments in D-alpha-tocopheryl polyethylene glycol-succinate-based nanomedicine for cancer therapy. PMID- 29198151 TI - Validation of the 8th AJCC staging system for gastric cancer in a population based setting. AB - BACKGROUND: The aim of this analysis is to validate the prognostic value of the 8th edition of the American Joint Committee on Cancer (AJCC) staging system for gastric cancer. METHODS: Through SEER*Stat program, Surveillance, epidemiology and end results database (2010-2013) was accessed and 8th AJCC stages were reconstructed. Cancer-specific survival analyses according to both 7th and 8th editions were conducted through Kaplan-Meier analysis/log-rank testing and multivariate analysis was conducted through a Cox model. RESULTS: Among pathologically-staged patients, P values for pairwise comparisons among different 8th AJCC stages were significant (<0.05) for all comparisons except for stage IIIC vs. IV; while P values for pairwise comparisons among different 7th AJCC stages were significant (<0.05) for all comparisons except for stage IIIA vs. IIIB and stage IIIC vs. IV. Among clinically-staged patients and according to either the clinical 8th AJCC or the 7th AJCC, significant overlap in outcomes existed between different stages. Among pathologically-staged patients, c statistic for the pathological 8th system was: 0.762; while for the 7th system, it was: 0.763. Among clinically-staged patients, c-statistic for the clinical 8th system was: 0.634; while for the 7th system, it was: 0.637. CONCLUSION: Compared to the 7th system, the 8th system does not bring about significant prognostic improvement (for either clinically- or pathologically-staged patients). PMID- 29198150 TI - The effect of tumor-derived exosomes on immune regulation and cancer immunotherapy. AB - Tumor-derived exosomes (TEX) carry both immunosuppressive and immunostimulatory receptor/ligands that in part mimic the profiles of the parent tumor cells. Operating as an intercellular communication system, TEX deliver protumor or antitumor signals to immune and nonimmune cells reprogramming their functions. Mechanisms responsible for cellular reprogramming include cell surface signaling and/or uptake of TEX by recipient cells. Once internalized, TEX transfer mRNA, miRNA and proteins that promote transcriptional/translational activities. TEX mediated signaling is contextual and, in the tumor microenvironment, TEX largely mediate suppression. TEX may interfere with immune therapies either by sequestration of therapeutic antibodies or elimination of vaccine-induced or adoptively-transferred immune effector cells. TEX are emerging as an ubiquitous subcellular system regulating immune responses in patients with cancer. PMID- 29198152 TI - Development of sustained release gastro-retentive tablet formulation of nicardipine hydrochloride using quality by design (QbD) approach. AB - The objective of the present study was to develop a sustained release gastro retentive (SRGR) tablet formulation of nicardipine hydrochloride (HCl) for once-a day dosing using the quality by design (QbD) approach. The quality target product profile of nicardipine HCl SRGR tablet formulation was defined, and critical quality attributes (CQAs) were identified. Potential risk factors were identified using a fish bone diagram and failure mode effect analysis (FMEA) tool and screened by the Plackett-Burman design, and finally nicardipine HCl SRGR tablet formulation was optimized using the Box-Behnken design. The tablets were prepared by a direct compression technique using polymers such as hydroxypropylmethylcellulose (HPMC K15M), glyceryl behenate, alone or in combinations and other standard excipients. Sodium bicarbonate was incorporated as a gas-generating agent. The effects of polymers and sodium bicarbonate on the drug release profile and floating properties were investigated as these parameters are likely to affect the desired once-a-day dosing regimen and finally the therapeutic efficacy of SRGR drug delivery systems. It was observed that formulation variables X1: Glyceryl behenate (mg/tab) and X2: HPMC K15M (mg/tab) strikingly influenced the drug release (%) (Y1), whereas floating lag time (min) (Y2) was significantly impacted by the formulation variable X3: Sodium bicarbonate (mg/tab). A design space plot within which the CQAs remained unchanged was established at a lab scale. In conclusion, this study demonstrated the suitability of a glyceryl behenate-HPMC K15M polymer combination along with sodium bicarbonate to achieve SRGR tablet formulation for once-a-day dosing of nicardipine HCl using the systematic QbD approach. PMID- 29198153 TI - How do men's magazines talk about penises? AB - Constructions of masculinity have shifted and changed but the central role of the penis has remained firm. Yet, despite the implications for sexual health, there has been very little research on discourses around penises. The messages men receive about their manhood is apparent in articles in men's magazines. We conducted a discursive analysis of the ways in which penises were discussed in four market leading UK titles: Loaded, Men's Health, GQ and Attitude. Two broad discourses were identified, termed Laddish and Medicalised, both of which create fear-ridden spaces where men are bombarded with unachievable masculine ideals and traumatic examples of mutilated members. We discuss how health psychologists could use the findings to communicate with men about their sexual health needs using this channel. PMID- 29198155 TI - Delayed second twin delivery: benefits and risks. AB - BACKGROUND: An increasing number of reports describe the delayed second twin delivery for days, or weeks with good results in the majority of the cases, and different survival rate between centers, without reported randomized controlled trials (RCTs). OBJECTIVES: This study was designed to evaluate the suggested management of the delayed second twin delivery in the Sabah Maternity Hospital regarding its outcome, possible risks, and benefits. PATIENTS AND METHODS: Forty seven twin pregnancies with preterm labor (PTL) of the first fetus between 20-30 weeks, and delayed delivery of the second twin were included in this study. Studied women signed informed consent about the possible risks of keeping the live fetus in the hostile intrauterine environment, and benefits of the prolonged gestation for the second twin. Throughout the conservative treatment of the second twin, the studied women were hospitalized with regular follow up for infections, consumptive coagulopathy parameters, and wellbeing of the second twin. RESULTS: There was significant difference in the gestational age at delivery between the first and second twin (22.6 +/- 3.4 versus 34.3 +/- 2.5 weeks; respectively, p = .01). There was significant difference in the birth weight between the first and second twin (435 +/- 91.2 versus 1472 +/- 61.5 g; respectively, p = .004). The rate of the cesarean delivery was significantly high during delivery of the second twin compared with the first twin (23.4% (11/47) versus 0% (0/47); respectively, p = .0001) with high survival rate for the second twin (85.1% (40/47)) after the delayed second twin delivery. CONCLUSIONS: The birth weight, the gestational age, and the survival rate of the studied second twin significantly increased after the suggested management of the delayed second twin delivery. PMID- 29198154 TI - Population trends in mitral valve surgery in Finland between 1997 and 2014: the finnish CVD register. AB - OBJECTIVES: Contemporary, nationwide data on trends in mitral valve surgery are scarce. Our aim was to investigate changes in procedure rates, patient selection, and post-procedural prognosis of open-heart mitral valve surgery in Finland. DESIGN: We combined data from three nationwide administrative registers with compulsory reporting. We identified patients who had undergone first-ever open heart mitral valve surgery between 1997 and 2014 and followed them for adverse events. We examined trends in mitral valve surgery over three six-year time periods (1997-2002, 2003-2008, and 2009-2014). RESULTS: 3684 mitral valve procedures (mean age: 67.0 +/- 10.9 years, 42.6% women) were performed in 1997 2014 in Finland. During this period, mitral valve repair operations became more common than replacements and we observed an increasing trend in the use of bioprosthetic valves. Between 1997-2002 and 2009-2014, the mean age of patients undergoing mitral valve surgery and the proportion of urgent surgeries increased (p < .001 for both). The proportion of women undergoing surgery decreased while the share of patients with hypertension (p = .023) or diabetes (p = .026) increased. The multivariable-adjusted risk of 28-day (hazard ratio, 0.55; 95% confidence interval, 0.37-0.83) and 6-year (hazard ratio, 0.80; 95% confidence interval, 0.67-0.97) post-operative mortality was lower in the last six-year period than in 1994-1998. CONCLUSIONS: Short- and long-term mortality of mitral valve surgery patients in Finland has decreased from 1997 to 2014 despite the patients being older and having more comorbidities. Understanding the changing characteristics and prognosis of these patients is important for the interpretation of previous and future cohort studies and trials. PMID- 29198156 TI - Mixed Ovarian Tumor Composed of Brenner Tumor and Adult-Type Granulosa Cell Tumor: A Case Report of a Very Rare Mixed Ovarian Tumor and a Review of the Literature. AB - A combination of ovarian tumors with the same histogenetic origin but different histologic subtype is relatively common, whereas a co-occurrence of tumors with different histogenetic origin is rare. We report a case of mixed ovarian tumor composed of Brenner tumor and adult-type granulosa cell tumor, a combination that to the best of our knowledge has not been reported in the literature until now. PMID- 29198157 TI - Efficacy and safety evaluation of Cimicifuga foetida extract in menopausal women. AB - OBJECTIVE: The aim of this study was to evaluate the efficacy and safety of long term treatment with Cimicifuga foetida extract in menopausal women. METHODS: A prospective, randomized, controlled clinical trial was conducted. A total of 96 early postmenopausal women were randomly assigned to three groups: group A received 1 mg estradiol valerate daily plus 4 mg medroxyprogesterone acetate on days 19-30; group B received 1 mg estradiol valerate daily plus 100 mg micronized progesterone on days 19-30; group C received 100 mg C. foetida extract daily. The efficacy was evaluated. Safety parameters were recorded. RESULTS: A total of 81 patients completed the treatment and follow-up visit. The modified Kupperman Menopausal Index scores decreased after 3 months in all groups. No significant changes were observed in the liver, renal function and components of metabolic syndrome in group C (p > 0.05). There were no significant differences in the incidences of metabolic syndrome among the three groups (p > 0.05). After 24 months, the endometrial thickness increased significantly in group B (p = 0.014), but not in the C. foetida extract group (p > 0.05). CONCLUSIONS: C. foetida extract is safe and effective for the treatment of menopausal symptoms in postmenopausal women. PMID- 29198158 TI - Ureteritis Cystica Presenting as a Single Polypoid Mass. PMID- 29198159 TI - Cystic Hypersecretory Hyperplasia of Breast. PMID- 29198160 TI - Targeting oncoproteins for degradation by small molecules in myeloid leukemia. AB - Oncoproteins play a vital role in the pathogenesis of myeloid leukemia. Most targeted therapies for myeloid leukemia are small molecules or monoclonal antibodies that inhibit the activity of the oncoproteins. However, leukemia cells often develop resistance to these drugs through overexpression of the target protein and/or by obtaining new mutations in the target protein to render them resistant to the drug. Oncoproteins degradation induced by small molecules through ubiquitin or autophagy pathway is considered a better way to avoid drug resistance. Here, we describe the latest advances in the use of small molecules to degrade oncoproteins. We first discuss examples of existing cancer drugs and candidate drugs that act by degrading oncoproteins, and then review the latest development of rational design of small molecules that induce selective degradation of target proteins. Furthermore, small-molecule-based proteolysis targeting chimeras (PROTACs) have demonstrated that this technology can effectively degrade target proteins. PMID- 29198161 TI - Teaching to varied disciplines and educational levels simultaneously: An innovative approach in a neonatal follow-up clinic. AB - PURPOSE: Across various health conditions and geographic regions, there remains a dearth of clinicians with the expertise and confidence to identify and manage children with disabilities. At the front line of this crisis are clinician educators, who are tasked with caring for these unique patients and with training the future workforce. Balancing patient care and clinical instruction responsibilities is particularly challenging when trainees of varied educational levels and specialties report simultaneously. The lack of a standard curriculum further compounds the clinician-educator's teaching demands and threatens the consistency of trainees' learning. Recognizing these challenges in their work in a neonatal follow-up clinic, the authors sought a solution through an established curriculum development process. MATERIALS AND METHODS: A needs assessment survey was conducted to gauge medical trainees' knowledge, skills, and experiences. Applying needs assessment findings, the authors developed a curriculum, which was administered online to several trainee cohorts just prior to rotations in the neonatal follow-up clinic. RESULTS: After completing the curriculum, trainees scored significantly higher on neonatal follow-up knowledge tests. CONCLUSIONS: Providing advance exposure helped to ensure that trainees arrived with comparable basal knowledge, which served as a foundation for more advanced instruction. This curricular approach may be useful across teaching venues, especially those with multi-level or multi-discipline learners. PMID- 29198162 TI - Neurobrucellosis presenting as clinically definite amyotrophic lateral sclerosis. AB - : Purpose/Aim: We describe the first case of a patient with neurobrucellosis presenting with clinically-definite ALS. MATERIAL AND METHODS: A 48-year old male patient, in whom the diagnoses of systemic brucellosis and clinically definite ALS were undoubtedly confirmed and were eventually causally interrelated. The disease-specific antibiotic therapy was unsuccessful to slow the evolution of the motor neuron disease and the patient became non ambulatory over time. RESULTS: Considering the close temporal association of ALS onset with the systemic Brucella infection and consequent antigenic stimuli, we might suggest that human brucellosis might have triggered a process of motor neuron degeneration in keeping with neurobrucellosis, primarily due to parainfectious mechanism. CONCLUSION: Our case helps to shed light on the factors that may trigger or only fasten motor neuron disease manifestations. PMID- 29198163 TI - Association between ABCB1 polymorphisms and response to first-generation antiepileptic drugs in a Tunisian epileptic population. AB - PURPOSE: We aimed in this study to investigate the association between the ATP Binding Cassette sub-family B, member1 (ABCB1) polymorphisms: C1236T (rs1128503), G2677T (rs2032582) and C3435T (rs1045642), and the resistance to antiepileptic drugs (AEDs). MATERIALS AND METHODS: The Polymerase Chain Reaction-Restriction Fragment Length Polymorphism genotyping of ABCB1 polymorphisms was conducted on 153 Tunisian epileptic patients treated with AEDs. RESULTS: Two genetic polymorphisms of the ABCB1 gene seemed to influence the response to AEDs. In fact, the G2677T T and the C3435T T alleles appeared to increase the risk of developing AEDs resistance (ORs* = 3.13; 95%CI = [1.16-8.98]; p = 0.024 and ORs* = 3.10; 95%CI = [1.15-8.37]; p = 0.025), respectively. However, the C1236T T allele did not seemed to influence the response to AEDs (ORs* = 1.14; 95%CI = [0.53-3.88]; p = 0.471). Haplotypic analysis indicated high-degree linkage disequilibrium of ABCB1 polymorphisms. Our results showed a synergic effect, in fact patients with the CTT and TTT haplotypes were more likely to be drug resistant than patients with the CGC haplotype, these associations remained significant even after adjustment for confounding parameters (ORs* = 2.68; 95%CI = [1.11-8.25]; p = 0.033 and ORs* = 3.76; 95%CI = [1.69-21.05]; p = 0.006, respectively). CONCLUSION: The G2677T T and C3435T T alleles as well as the TT, CTT and TTT haplotypes seemed to be significantly associated with drug-resistance epilepsy in our population. Genetic predisposition, involved in this resistance, may contribute to the establishment of a personal optimized therapy for newly diagnosed epileptic patients. PMID- 29198164 TI - Stability and Hopf bifurcation for a five-dimensional virus infection model with Beddington-DeAngelis incidence and three delays. AB - In this paper, the dynamical behaviours for a five-dimensional virus infection model with three delays which describes the interactions of antibody, cytotoxic T lymphocyte (CTL) immune responses and Beddington-DeAngelis incidence are investigated. The reproduction numbers for virus infection, antibody immune response, CTL immune response, CTL immune competition and antibody immune competition, respectively, are calculated. By using the Lyapunov functionals and linearization method, the threshold conditions on the local and global stability of the equilibria for infection-free, immune-free, antibody response, CTL response and interior, respectively, are established. The existence of Hopf bifurcation with immune delay as a bifurcation parameter is investigated by using the bifurcation theory. Numerical simulations are presented to justify the analytical results. PMID- 29198165 TI - Undecaprenyl phosphate metabolism in Gram-negative and Gram-positive bacteria. AB - Undecaprenyl phosphate (UP) is essential for the biosynthesis of bacterial extracellular polysaccharides. UP is produced by the dephosphorylation of undecaprenyl diphosphate (UPP) via de novo synthetic and recycling pathways. Gram positive bacteria contain remarkable amounts of undecaprenol (UOH), which is phosphorylated to UP, although UOH has not been found in Gram-negative bacteria. Here, current knowledge about UPP phosphatase and UOH kinase is reviewed. Dephosphorylation of UPP is catalyzed by a BacA homologue and a type-2 phosphatidic acid phosphatase (PAP2) homologue. The presence of one of these UPP phosphatases is essential for bacterial growth. The catalytic center of both types of enzyme is located outside the cytoplasmic membrane. In Gram-positive bacteria, an enzyme homologous to DgkA, which is the diacylglycerol kinase of Escherichia coli, catalyzes UOH phosphorylation. The possible role of UOH and the significance of systematic construction of Staphylococcus aureus mutants to determine UP metabolism are discussed. PMID- 29198166 TI - Improvement of the activity and thermostability of microbial transglutaminase by multiple-site mutagenesis. AB - Microbial transglutaminase (MTG) is an enzyme widely used in the food industry. Mutiple-site mutagenesis of Streptomyces mobaraensis transglutaminase was performed in Escherichia coli. According to enzymatic assay and thermostability study, among three penta-site MTG mutants (DM01-03), DM01 exhibited the highest enzymatic activity of 55.7 +/- 1.4 U/mg and longest half-life at 50 degrees C (418.2 min) and 60 degrees C (24.8 min). PMID- 29198167 TI - Global dynamics of an epidemiological model with age of infection and disease relapse. AB - In this paper, an epidemiological model with age of infection and disease relapse is investigated. The basic reproduction number for the model is identified, and it is shown to be a sharp threshold to completely determine the global dynamics of the model. By analysing the corresponding characteristic equations, the local stability of a disease-free steady state and an endemic steady state of the model is established. By means of suitable Lyapunov functionals and LaSalle's invariance principle, it is verified that if the basic reproduction number is less than unity, the disease-free steady state is globally asymptotically stable, and hence the disease dies out; if the basic reproduction number is greater than unity, the endemic steady state is globally asymptotically stable and the disease becomes endemic. PMID- 29198168 TI - Simultaneous laparoscopic proctocolectomy (TaTME) and robot-assisted radical prostatectomy for synchronous rectal and prostate cancer. AB - OBJECTIVE: We would like to present a patient with a history of ulcerative colitis suffering from a synchronous rectal and prostate cancer treated with a laparoscopic total proctocolectomy (with TaTME) and Retzius sparing RARP simultaneously. METHODS: Retzius sparing RARP with bilateral lymph node harvesting was performed first. Afterwards, TaTME was commenced with the placement of a Lonestar(r) retractor and GelPort(r). Anterior dissection was troubled unexpectedly by outspoken fibrosis. For that reason, it was completed laparoscopically. We then continued with the laparoscopic total proctocolectomy. Last, a transanal circular stapled ileoanal anastomosis was created and a derivating ileostomy was installed. RESULTS: Postoperative proctoscopy showed a patent ileoanal anastomosis. After removal of the Foley catheter on day 21, the patient was immediately continent. Prostate specimen revealed a pT2cN1M0 transmural invasive adenocarcinoma with a Gleason score of 7 (3 + 4). Pathology analysis of the rectum revealed a stage IIIc transmural invasive moderately differentiated rectal adenocarcinoma (pT3N2bM0) with free margins. He was referred for adjuvant chemotherapy. CONCLUSIONS: In this case, the combination of TaTME and Retzius sparing RARP for synchronous rectal and prostate cancer was feasible and safe. We suggest performing the anterior TaTME dissection last, due to disturbing blood flow into the operating field after prostatectomy. PMID- 29198170 TI - The effects of aging on hepatic microsomal scaling factor and hepatocellularity number in the horse. AB - 1. Scaling factor values for the in vitro-in vivo extrapolation of hepatic metabolic clearance for xenobiotics have not yet been determined in horses. Scaling factors were determined by comparing the total protein and or cytochrome (CYP) P450 content in microsomes and cryopreserved hepatocytes against the content in the liver. 2. Microsomal protein per gram of liver (MPPGL) and hepatocellularity number per gram of liver (HPGL) using CYP P450 content method ranged 41-73 mg/gram of liver (mean= 57 mg/gram of liver, n = 39) and 146-320 * 106 cells/g of liver (mean = 227* 106 cells/g of liver, n = 18), respectively and 156-352 * 106 cells/g of liver (mean = 232* 106 cells/g of liver) using total protein method. 3. A non-monotonic and inverse relationship between age and MPPGL and HPGL, respectively, was observed. Between one and 20 y of age, the liver cell size decreases as age increases. Subsequently, the cell size increases until the hepatocytes of the oldest horses approached the size found in the youngest horses. Hepatocyte density was inversely related to the size of the hepatocytes. 4. This study provides the first extensive and comprehensive data demonstrating the relationship between the size of hepatocytes and HPGL in any species. PMID- 29198169 TI - Stress-response transcription factors Msn2 and Msn4 couple TORC2-Ypk1 signaling and mitochondrial respiration to ATG8 gene expression and autophagy. AB - Macroautophagy/autophagy is a starvation and stress-induced catabolic process critical for cellular homeostasis and adaptation. Several Atg proteins are involved in the formation of the autophagosome and subsequent degradation of cytoplasmic components, a process termed autophagy flux. Additionally, the expression of several Atg proteins, in particular Atg8, is modulated transcriptionally, yet the regulatory mechanisms involved remain poorly understood. Here we demonstrate that the AGC kinase Ypk1, target of the rapamycin insensitive TORC2 signaling pathway, controls ATG8 expression by repressing the heterodimeric Zinc-finger transcription factors Msn2 and Msn4. We find that Msn2 and Msn4 promote ATG8 expression downstream of the histone deacetylase complex (HDAC) subunit Ume6, a previously identified negative regulator of ATG8 expression. Moreover, we demonstrate that TORC2-Ypk1 signaling is functionally linked to distinct mitochondrial respiratory complexes. Surprisingly, we find that autophagy flux during amino acid starvation is also dependent upon Msn2-Msn4 activity, revealing a broad role for these transcription factors in the autophagy response. PMID- 29198171 TI - Caring for Care Workers. AB - Carework-the paid and unpaid work in healthcare, education, childcare, mental health, elder care, families, and social services-is linked by the social and ethical obligation to care for vulnerable populations and is a major economic sector and important source of employment internationally. This special issue of New Solutions focuses on understanding working conditions and workplace health and safety in carework professions and for seeking solutions to these dilemmas. As members of the Carework Network Steering Committee, we reflect on the importance of the topics raised in this special issue and describe next steps for carework research and scholarship. PMID- 29198172 TI - Ethanol effect on acid resistance of selected enteric polymers. AB - The aim of this study was to investigate under in vitro conditions the influence of ethanol on acid resistance of four commercially-available enteric polymers (Acryl-EZE(r), AQOAT(r), Hypromellose phthalate, and Sureteric(r)). For this purpose, custom-prepared paracetamol tablets were coated with the enteric polymers and tested for release using the buffer-addition method. Ten different hydro-ethanolic media were used in the acid stage corresponding to five levels of ethanol (0, 5, 10, 20, and 40% v/v) in two acidic solutions representing low and high gastric pH (0.1 N HCl pH 1.2, LGpH, and phosphate buffer pH 4.0, HGpH, respectively). The coats were found to resist both types of acidic solution with ethanol percentages up to 10% leading to release profiles that conformed with the pharmacopeial requirements (<10% release after 2 h in acid stage) except for Acryl-EZE(r), which showed a premature release in HGpH media. At the higher ethanol levels (20 and 40%), premature release associated with increased acid uptake by coated tablets was noticed for all polymers and more remarkably in HGpH media. ANOVA tests revealed significant effects of polymer type, acidic solution type, and ethanol level on the onset and extent of premature release. PMID- 29198174 TI - Intracranial complications of midline nasal dermoid cysts. AB - BACKGROUND: Nasal dermoid cysts are common tumors in children. Due to anomalies in embryologic development of the nasal complex, sometimes an intracranial extension exists. When these cysts become infected they can lead to meningitis, brain abscess and death. METHODS: We report the case of a 1.5-year-old girl admitted to the paediatric intensive care unit after infection of a nasal dermoid cyst. RESULTS: The infant had a spiking fever and epileptic seizures. She was stabilized, intubated and a CT scan showed a subcutaneous mass with an adjacent zone of encephalitis and brain abscess formation. Neurosurgical interventions were necessary to lower intracranial pressure and control infectious spread. After a hospital stay of 69 days the child could be discharged. Due to her young age, irreversible brain damage is expected. CONCLUSION: Nasal midline dermoid cysts are considered benign swellings. When an intracranial extension exists, infection can lead to deleterious complications. It is important for health care practitioners to be aware of this imminent risk. Suspicion of a nasal midline dermoid cyst should prompt a careful clinical work-up with an ultrasound followed by CT or MRI imaging. The treatment is complete excision to avoid disastrous complications and recurrences. PMID- 29198175 TI - New semicarbazones as gorge-spanning ligands of acetylcholinesterase and potential new drugs against Alzheimer's disease: Synthesis, molecular modeling, NMR, and biological evaluation. AB - Two new compounds (E)-2-(5,7-dibromo-3,3-dimethyl-3,4-dihydroacridin-1(2H) ylidene)hydrazinecarbothiomide (3) and (E)-2-(5,7-dibromo-3,3-dimethyl-3,4 dhihydroacridin-1(2H)-ylidene)hydrazinecarboxamide (4) were synthesized and evaluated for their anticholinesterase activities. In vitro tests performed by NMR and Ellman's tests, pointed to a mixed kinetic mechanism for the inhibition of acetylcholinesterase (AChE). This result was corroborated through further docking and molecular dynamics studies, suggesting that the new compounds can work as gorge-spanning ligands by interacting with two different binding sites inside AChE. Also, in silico toxicity evaluation suggested that these new compounds can be less toxic than tacrine. PMID- 29198176 TI - Abstracts presented at the 22nd Annual Congress of the Belgian Society of Internal Medicine, 15-16 December 2017, Dolce La Hulpe, La Hulpe, Belgium. PMID- 29198173 TI - Autophagy inhibition promotes SNCA/alpha-synuclein release and transfer via extracellular vesicles with a hybrid autophagosome-exosome-like phenotype. AB - The autophagy-lysosome pathway (ALP) regulates intracellular homeostasis of the cytosolic protein SNCA/alpha-synuclein and is impaired in synucleinopathies, including Parkinson disease and dementia with Lewy bodies (DLB). Emerging evidence suggests that ALP influences SNCA release, but the underlying cellular mechanisms are not well understood. Several studies identified SNCA in exosome/extracellular vesicle (EV) fractions. EVs are generated in the multivesicular body compartment and either released upon its fusion with the plasma membrane, or cleared via the ALP. We therefore hypothesized that inhibiting ALP clearance 1) enhances SNCA release via EVs by increasing extracellular shuttling of multivesicular body contents, 2) alters EV biochemical profile, and 3) promotes SNCA cell-to-cell transfer. Indeed, ALP inhibition increased the ratio of extra- to intracellular SNCA and upregulated SNCA association with EVs in neuronal cells. Ultrastructural analysis revealed a widespread, fused multivesicular body-autophagosome compartment. Biochemical characterization revealed the presence of autophagosome-related proteins, such as LC3-II and SQSTM1. This distinct "autophagosome-exosome-like" profile was also identified in human cerebrospinal fluid (CSF) EVs. After a single intracortical injection of SNCA-containing EVs derived from CSF into mice, human SNCA colocalized with endosome and neuronal markers. Prominent SNCA immunoreactivity and a higher number of neuronal SNCA inclusions were observed after DLB patient CSF EV injections. In summary, this study provides compelling evidence that a) ALP inhibition increases SNCA in neuronal EVs, b) distinct ALP components are present in EVs, and c) CSF EVs transfer SNCA from cell to cell in vivo. Thus, macroautophagy/autophagy may regulate EV protein composition and consequently progression in synucleinopathies. PMID- 29198177 TI - Clinicopathologic features of solid pseudopapillary pancreatic neoplasms in an Eastern Caribbean population. AB - Pancreatic solid pseudopapillary neoplasms (SPNs) are uncommon lesions across the globe. Their incidence is unknown in the Caribbean. This retrospective study sought to document the clinicopathologic features of pancreatic SPNs in an Eastern Caribbean population. We examined data from the hospital records of all patients with SPN in Trinidad and Tobago, finding 11 cases over five years, equating to an incidence of 0.17 cases per 100,000 population per year. The lesions occurred in girls and young women at a mean age of 25 years, with a propensity for those of Afro-Caribbean descent. Poor prognostic factors (histologic invasion of the capsule, lymphovascular invasion, spindle cells, anaplastic cells and/or excessive mitotic figures) were present in 82% at the time of diagnosis. These tumours are uncommon in our population, and since most have poor prognostic features at diagnosis, we advocate an aggressive surgical approach. PMID- 29198178 TI - Zero tolerance for acronyms. PMID- 29198179 TI - Screening for Chlamydia trachomatis and Neisseria gonorrhoeae infection among asymptomatic men who have sex with men in Bangkok, Thailand. AB - We report positivity rates of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) infection at each anatomic site among asymptomatic men who have sex with men (MSM). We calculated the number needed to screen (NNS) to detect CT and NG infection at each anatomic site. From 2006 to 2010, we enrolled Thai MSM, age >= 18 years into the Bangkok MSM Cohort Study. Participants underwent physical examination and had rectal, urethral, and pharyngeal screening for CT and NG infection using nucleic acid amplification tests (NAATs). Of 1744 enrollees, 1696 (97.2%) had no symptoms of CT and NG infection. The positivity rates of CT and NG infection at any site were 14.3% (rectum, urethra, pharynx) and 6.4% (rectum, urethra), respectively. The NNS to detect rectal CT and rectal NG infections was 10 and 16, respectively (p < 0.05). For urethral infection, the NNS of CT was lower than the NNS of NG (22, 121: p < 0.05). The lowest NNS found for rectal CT infection was in HIV-infected MSM (6, 5-8). Asymptomatic CT and NG infection were common among MSM in Bangkok, Thailand and frequently detected in the rectum. In setting where screening in all specimens using NAAT is not feasible, rectal screening should be a priority. PMID- 29198180 TI - Converging epidemics of sexually transmitted infections and bacterial vaginosis in southern African female adolescents at risk of HIV. AB - Adolescents in Africa are at high risk for HIV infection, other sexually transmitted infections (STIs) and bacterial vaginosis (BV). Since behavior and burden of STIs/BV may influence HIV risk, behavioral risk factors and prevalence of STIs/BV were compared in HIV-seronegative adolescent females (n = 298; 16-22 years) from two South African communities (Soweto and Cape Town). STIs ( Chlamydia trachomatis, Neisseria gonorrhoeae, Trichomonas vaginalis, Mycoplasma genitalium, herpes simplex virus (HSV)-1, HSV-2, Treponema pallidum, and Haemophilus ducreyi) were detected by multiplex polymerase chain reaction, human papillomavirus (HPV) by Roche Linear Array, and BV by Nugent scoring. Rates of BV (Nugent >=7; 46.6%) and HPV (66.8%) were high in both communities. Prevalence of C. trachomatis and N. gonorrhoeae were >2-fold higher in Cape Town than Soweto (Chlamydia: 42% [62/149] versus 18% [26/148], p < 0.0001; gonorrhoea 11% [17/149] versus 5% [7/148], p = 0.05). Only 24% of adolescents with vaginal discharge causing STIs or BV were symptomatic. In South African adolescents, clinical symptoms compatible with vaginal discharge syndrome had a sensitivity of 23% and specificity of 85% for the diagnosis of discharge-causing STI or BV. In a region with high HIV prevalence and incidence, >70% of young women with treatable conditions that could enhance HIV risk would have been missed because they lacked symptoms associated with syndromic management. PMID- 29198181 TI - 2017 European guideline for the management of pelvic inflammatory disease. AB - The European guideline for the management of pelvic inflammatory disease includes evidence-based advice on the investigation and treatment of pelvic inflammatory disease (PID). It has been updated to acknowledge the role of Mycoplasma genitalium as an important cause of PID with testing now recommended for women presenting with possible PID and for the male partners of women with confirmed M. genitalium infection. Recent evidence suggests that serious adverse events are uncommon when using moxifloxacin and its use is now recommended as a first-line therapy, especially in those women with M. genitalium PID. The potential utility of MRI scanning of the pelvis in excluding differential diagnoses has been highlighted. The use of doxycycline is now suggested as empirical treatment for male partners of women with PID to reduce exposure to macrolide antibiotics, which has been associated with increased resistance in M. genitalium. PMID- 29198182 TI - Improving the coverage of prevention of mother-to-child transmission of HIV services in Nigeria: should traditional birth attendants be engaged? AB - Traditional birth attendants (TBAs) play an important role in the provision of care to pregnant women in rural parts of Nigeria, but they are barely engaged by the formal healthcare system in expanding the low coverage of prevention of mother-to-child transmission of HIV (PMTCT) services. Using a systematic approach, we engaged TBAs in Abia and Taraba States to scale-up PMTCT services under the National Agency for Control of AIDS Comprehensive AIDS Program with States. We conducted mapping of the TBAs, built their capacities, obtained their buy-in on mobilization of their clients and other pregnant women for HIV testing service outreaches, and established referral and linkage systems. A total of 720 TBAs were mapped (Abia 407; Taraba 313). Three hundred and ninety-nine TBAs who participated in the capacity-building meeting were linked to 115 primary healthcare centers (PHCs) in Abia State, while 245 TBAs were linked to 27 PHCs in Taraba State. From July 2016 to March 2017, the outreaches contributed 20% to the overall total number of pregnant women counseled, tested and received results, and 12% to the total number of HIV-infected women identified. There was a considerable yield of HIV-infected pregnant women among those tested in the TBA outreaches in comparison with the supported antenatal facilities (2% versus 3%, respectively). Engaging TBAs has the potential to improve the coverage of PMTCT services in Nigeria. PMID- 29198183 TI - 18F-Fluorodeoxyglucose positron emission tomography-computed tomography imaging in HIV-infected patients with lymphadenopathy, with or without fever and/or splenomegaly. AB - We audited whether 18F-Fluorodeoxyglucose positron emission tomography-computed tomography (18FDG PET-CT) imaging could discriminate between different diagnoses in HIV-infected patients presenting with lymphadenopathy, with or without fever and/or splenomegaly. Maximum standardised uptake (SUVmax) values were similar in lymphoma and mycobacterial and fungal infections and were lower but similar in those with human herpesvirus (HHV) 8-associated disease and HIV-associated reactive lymphadenopathy. Nodal 18FDG avidity, with SUVmax >=10, excluded diagnoses of HHV 8-associated disease and miscellaneous conditions, and HIV associated reactive lymphadenopathy was additionally excluded in those who had undetectable plasma HIV viral loads. This audit suggests 18FDG PET-CT imaging did not permit discrimination between specific diagnoses but has utility in identifying lymph nodes with increased avidity that could be targeted for biopsy and in ruling out significant pathology. PMID- 29198184 TI - Impact of maternal iron deficiency on the auditory functions in the young and adult guinea pig. AB - OBJECTIVES: The aim of this study was to evaluate the hearing function in the guinea pig offspring at post-natal day (PNd) 24 and PNd84 born from dams suffering from iron deficiency during pregnancy and lactation by using the auditory brainstem response (ABR). METHOD: Female guinea pigs (n = 24 per dietary group) were fed an iron sufficient (IS) diet (114 mg/kg) or an iron deficient (ID) diet (11.7 mg/kg) during the gestation and lactation periods. Pups in both groups were weaned at PNd9 and given the IS diet. The hematocrit level was measured at every trimester of pregnancy and at the day of sacrifice in dams and at PNd24 and PNd84 in pups. The animal body weight was measured on every second day until the day of sacrifice. The ABR was used in pups to measure the hearing threshold using a broad range of stimulus intensities and latency at 100 and 80 dB in response to 2, 4, 8, 16, and 32 kHz tone pips at PNd24 and 84. RESULTS AND DISCUSSION: No significant difference between dietary groups was measured in hearing threshold and absolute latencies in pups at PNd24 and PNd84. Although the ID offspring (n = 16) did not differ in brainstem transmission times (BTTs) at 80 dB compare to the IS siblings (n = 25) at PNd24, they showed significant delayed inter-peak latency (IPL) I-IV at 100 dB suggesting a delayed BTT. At PNd84, the latency of all peaks including IPL I-IV at 80 and 100 dB significantly decreased and was also similar in pups from both dietary groups suggesting a better brain maturation. This is the first study investigating the long-term impact of maternal iron deficiency on the auditory functions in the guinea pig offspring during early development to adulthood. PMID- 29198185 TI - Role of substance use in HIV care cascade outcomes among people who inject drugs in Russia. AB - BACKGROUND: Engaging people who drink alcohol or inject drugs in HIV care can be challenging, particularly in Eastern Europe. Healthcare facilities in Russia are organized by specialty; therefore linking patients from addiction care to HIV hospitals has been difficult. The HIV care cascade outlines stages of HIV care (e.g., linkage to care, prescribed antiretroviral therapy [ART], and achieving HIV viral suppression). We hypothesized that unhealthy alcohol use, injection drug use, and opioid craving are associated with unfavorable HIV care cascade outcomes. METHODS: We analyzed data from a cohort (n = 249) of HIV-positive Russians who have been in addiction hospital treatment in the past year and had a lifetime history of injection drug use (IDU). We evaluated the association between unhealthy alcohol use (AUDIT score > 7 [both hazardous drinking and dependence]), past-month injection drug use (IDU), and opioid craving (visual analogue scale from 1 to 100) with HIV care cascade outcomes. The primary outcome was linkage to HIV care within 12 months. Other outcomes were prescription of ART (secondary) and achievement of undetectable HIV viral load (HVL < 500 copies/mL) within 12 months (exploratory); the latter was analyzed on a subset in which HVL was measured (n = 48). We assessed outcomes via medical record review (linkage, ART) and serum tests (HVL). To examine the primary outcome, we used multiple logistic regression models controlling for potential confounders. RESULTS: Among 249 study participants, unhealthy alcohol use (n = 148 [59%]) and past-month IDU (n = 130 [52%]) were common. The mean opioid craving score was 49 (SD: 38). We were unable to detect significant associations between the independent variables (i.e., unhealthy alcohol use, IDU and opioid craving) and any HIV care cascade outcomes in unadjusted and adjusted analyses. CONCLUSION: In this cohort of HIV positive Russians with a history of IDU, individual substance use factors were not significantly associated with achieving HIV care cascade milestones (i.e., linkage to HIV care; prescription for ART; or suppressed viral load). Given no detection of an association of cascade outcomes with recent unhealthy use of alcohol or injection drugs in this cohort, examining systemic factors to understand determinants of HIV care engagement for people with drug use would be important. PMID- 29198186 TI - Screening in Trauma for Opioid Misuse Prevention (STOMP): study protocol for the development of an opioid risk screening tool for victims of injury. AB - BACKGROUND: Opioid addiction and overdose are epidemic in the U.S. Victims of traumatic injury are at greater than average risk for opioid misuse and related complications. Potential risk screens and preventive interventions in this clinical population remain under-investigated. The current project seeks to develop and pilot the implementation of a screening tool for opioid risk at American College of Surgeons (ACS) Level I and Level II trauma centers. METHODS: The project began with an online survey, which was sent to Wisconsin trauma center medical directors and trauma coordinators for the purpose of gathering information on current substance use screening practices. Next, a focus group of trauma center staff was convened to discuss barriers and facilitators to screening, resources available and needed to support trauma patients with opioid use disorders, and measurable clinical observations that could indicate a patient's potential risk for opioid misuse. Data from the surveys and focus group were combined to inform the data collection instruments that are currently being administered to patients recruited from the University of Wisconsin Hospital Trauma Inpatient and Orthopedic Surgery Services. Eligible and consenting patients complete standardized measures of socio-demographics, substance use history, opioid misuse risk, mental health, medical history, and injury and pain severity. Follow up visits at weeks 4, 12, and 24 after hospital discharge assess hypothesized risk factors for opioid addiction and opioid use disorder diagnosis. At the completion of patient data collection, a forward stepwise regression will identify factors of most significant risk of the development of opioid use disorder after traumatic injury. This modeling will inform the development of a novel opioid risk screening tool, which will undergo pilot implementation at 4 Wisconsin ACS Level I and Level II trauma centers, using an evidence-based implementation strategy with roots in systems engineering. DISCUSSION: Positive findings from the proposed work would lead to improved, standardized opioid risk screening practices among victims of traumatic injury. The ultimate goal of this and future work is to reduce the likelihood of opioid misuse, addiction, and related complications, such as overdose and death. Trial registration Clinicaltrials.gov registration number: NCT02861976. Date of registration: Feb 9, 2016. PMID- 29198187 TI - Unusual presentation of prune belly syndrome: a case report. AB - BACKGROUND: Prune belly syndrome is a rare congenital malformation of unknown etiology, with the following triad of findings: abdominal muscle wall weakness, undescended testes, and urinary tract abnormalities. In most cases, detection of prune belly syndrome occurs during neonatal or infancy period. In this case report, we describe a 12-year-old boy from Ethiopia with the triad of findings of prune belly syndrome along with skeletal malformations. We are unaware of any previous report of prune belly syndrome in Ethiopia. CASE PRESENTATION: A 12-year old Amhara boy from the Northwest Gondar Amhara regional state presented to our referral hospital with a complaint of swelling over his left flank for the past 3 months. Maternal pregnancy course and medical history were noncontributory, and he had an attended birth at a health center. He has seven siblings, none of whom had similar symptoms. On examination he had a distended abdomen, asymmetric with bulging left flank, visible horizontal line, upward umbilical slit, and absent rectus abdominis muscles. His abdomen was soft with a tender cystic, bimanually palpable mass on the left flank measuring 13 * 11 cm. Both testes were undescended and he also has developmental dysplasia of the hips. An abdominal ultrasound revealed a large cystic mass in his left kidney area with echo debris and a hip X-ray showed bilateral developmental dysplasia of the hip. Intraoperative findings were cystic left kidney, both testes were intraperitoneal, tortuous left renal vein, enlarged bladder reaching above umbilicus, and left megaureter. INTERVENTIONS: bilateral orchidectomy and left nephrectomy were done. He was given intravenously administered antibiotics for treatment of pyelonephritis and discharged home with an appointment for follow up and possible abdominoplasty. CONCLUSIONS: In the current report delayed presentation contributed to testicular atrophy and decision for orchidectomy. Furthermore, he will be at potential risk for sex hormone abnormality. Therefore, diagnosis of prune belly syndrome in resource-limited settings requires a high index of suspicion. We recommend further research to determine the optimal management and early diagnosis of prune belly syndrome in resource-limited settings. PMID- 29198188 TI - Blood lactose after dairy product intake in healthy men. AB - The absence of a dedicated transport for disaccharides in the intestine implicates that the metabolic use of dietary lactose relies on its prior hydrolysis at the intestinal brush border. Consequently, lactose in blood or urine has mostly been associated with specific cases in which the gastrointestinal barrier is damaged. On the other hand, lactose appears in the blood of lactating women and has been detected in the blood and urine of healthy men, indicating that the presence of lactose in the circulation of healthy subjects is not incompatible with normal physiology. In this cross-over study we have characterised the postprandial kinetics of lactose, and its major constituent, galactose, in the serum of fourteen healthy men who consumed a unique dose of 800 g milk or yogurt. Genetic testing for lactase persistence and microbiota profiling of the subjects were also performed. Data revealed that lactose does appear in serum after dairy intake, although with delayed kinetics compared with galactose. Median serum concentrations of approximately 0.02 mmol/l lactose and approximately 0.2 mmol/l galactose were observed after the ingestion of milk and yogurt respectively. The serum concentrations of lactose were inversely correlated with the concentrations of galactose, and the variability observed between the subjects' responses could not be explained by the presence of the lactase persistence allele. Finally, lactose levels have been associated with the abundance of the Veillonella genus in faecal microbiota. The measurement of systemic lactose following dietary intake could provide information about lactose metabolism and nutrient transport processes under normal or pathological conditions. PMID- 29198189 TI - A prospective association between dietary folate intake and type 2 diabetes risk among Korean adults aged 40 years or older: the Korean Multi-Rural Communities Cohort (MRCohort) Study. AB - It has not been well established whether dietary folate intake reduces the risk of diabetes development. We aimed to clarify the prospective association between dietary folate intake and type 2 diabetes (T2D) risk among 7333 Korean adults aged 40 years or older who were included in the Multi-Rural Communities Cohort. Dietary folate intake was estimated from all 106 food items listed on a FFQ, not including folate intake from supplements. Two different measurements of dietary folate intake were used: the baseline consumption and the average consumption from baseline until just before the end of follow-up. The association between folate intake and T2D risk was determined through a modified Poisson regression model with a robust error estimator controlling for potential confounders. For 29 745 person years, 319 cases of diabetes were ascertained. In multivariable analyses, dietary folate intake was inversely associated with risk of T2D for women, not for men. For women, the incidence rate ratio of diabetes in the third tertile compared with the first tertile was 0.57 (95 % CI 0.38-0.87, P for trend=0.0085) in the baseline consumption model and 0.64 (95 % CI 0.43-0.95, P for trend=0.0244) in the average consumption model. These inverse associations was found in both normal fasting blood glucose group and impaired fasting glucose group among women. Among non-users of multinutrients and vitamin supplements, the significant inverse association remained. Thus, higher dietary intake of folate is prospectively associated with lower risk of diabetes for women. PMID- 29198190 TI - Sociodemographic factors associated with dietary supplement use in early pregnancy in a Swedish cohort. AB - Sociodemographic factors have been associated with dietary supplement use among pregnant women but few data exist in a Swedish population. This study aimed to identify factors associated with overall supplement use as well as use of folic acid, vitamin D and n-3 in early pregnancy. Women in the first trimester of pregnancy were included at registration to the antenatal care in 2013-2014 (n 2109). Information regarding supplement use as well as sociodemographic and anthropometric data were obtained from questionnaires and medical records. Multivariable logistic regression analysis was performed to determine the relationship between sociodemographic variables and supplement use. A total of 78 % of the participants reported using at least one dietary supplement in the first trimester. Folic acid supplement use was reported by 74 %, vitamin D supplement use by 43 % and n-3 supplement use by <5 %. Use of any type of supplement in early pregnancy was related to gestational age, parity, birthplace, education and employment. Folic acid supplement use was related to gestational age, parity, birthplace, income, education and employment. Vitamin D supplement use was related to gestational age, birthplace and education. In conclusion, in the first trimester of pregnancy, folic acid supplements were used by three in four women, while vitamin D supplements were used by less than half of the women. The results of this study show a socioeconomic disparity between supplement users and non users which may have a negative impact on the health of future generations. PMID- 29198191 TI - Diet and anthropometry at 2 years of age following an oral health promotion programme for Australian Aboriginal children and their carers: a randomised controlled trial. AB - There are marked disparities between indigenous and non-indigenous children's diets and oral health. Both diet and oral health are linked to longer-term health problems. We aimed to investigate whether a culturally appropriate multi-faceted oral health promotion intervention reduced Aboriginal children's intake of sugars from discretionary foods at 2 years of age. We conducted a single-blind, parallel arm randomised controlled trial involving women who were pregnant or had given birth to an Aboriginal child in the previous 6 weeks. The treatment group received anticipatory guidance, Motivational Interviewing, health and dental care for mothers during pregnancy and children at 6, 12 and 18 months. The control group received usual care. The key dietary outcome was the percent energy intake from sugars in discretionary foods (%EI), collected from up to three 24-h dietary recalls by trained research officers who were blind to intervention group. Secondary outcomes included intake of macronutrients, food groups, anthropometric z scores (weight, height, BMI and mid-upper arm circumference) and blood pressure. We enrolled 224 children to the treatment group and 230 to the control group. Intention-to-treat analyses showed that the %EI of sugars in discretionary foods was 1.6 % lower in the treatment group compared with control (95 % CI -3.4, 0.2). This culturally appropriate intervention at four time-points from pregnancy to 18 months resulted in small changes to 2-year-old Aboriginal children's diets, which was insufficient to warrant broader implementation of the intervention. Further consultation with Aboriginal communities is necessary for understanding how to improve the diet and diet-related health outcomes of young Aboriginal children. PMID- 29198192 TI - Clustering of energy balance-related behaviours and parental education in European preschool children: the ToyBox study. AB - Energy balance-related behaviours (EBRB) are established in childhood and seem to persist through to adulthood. A lower parental educational level was associated with unhealthy behavioural patterns. The aim of the study is to identify clusters of EBRB and examine their association with preschool children's BMI and maternal, paternal and parental education. A subsample of the ToyBox study (n 5387) conducted in six European countries was used. Six behavioural clusters ('healthy diet and low activity', 'active', 'healthy lifestyle', 'high water and screen time; low fruits and vegetables (F&V) and physical activity (PA)', 'unhealthy lifestyle' and 'high F&V consumers') emerged. The healthiest group characterised by high water and F&V consumption and high PA z scores ('healthy lifestyle') was more prevalent among preschool children with at least one medium- or higher educated parent and showed markedly healthier trends for all the included EBRB. In the opposite, the 'unhealthy lifestyle' cluster (characterised by high soft drinks and screen time z scores, and low water, F&V and PA z scores) was more prevalent among children with lower parental, paternal and maternal education levels. OR identified that children with lower maternal, paternal and parental education levels were less likely to be allocated in the 'healthy lifestyle' cluster and more likely to be allocated in the 'unhealthy lifestyle' cluster. The 'unhealthy lifestyle' cluster was more prevalent among children with parents in lower parental educational levels and children who were obese. Therefore, parental educational level is one of the key factors that should be considered when developing childhood obesity prevention interventions. PMID- 29198193 TI - Regulation of hepatic lipid deposition by phospholipid in large yellow croaker. AB - Dietary phospholipid (PL) supplementation has been shown to reduce lipid accumulation in the tissues of farmed fish; however, the mechanisms underlying this effect are largely unknown. Thus, the present study was conducted to evaluate the potential impacts of PL on hepatic lipid metabolism both in vivo and in vitro. For in vivo study, four experimental diets - low lipid and low PL diet, as control diet (LL-LP diet, containing 12 % lipid and 1.5 % PL), low-lipid and high-PL diet (containing 12 % lipid and 8 % PL), high-lipid and low-PL diet (HL LP diet, containing 20 % lipid and 1.5 % PL) and high-lipid and high-PL diet (HL HP diet, containing 20 % lipid and 8 % PL) - were randomly allocated to four groups of large yellow croaker (Larimichthys crocea) (three cages per group) with similar initial body weight (approximately 8 g). For in vitro study, primary hepatocytes isolated from large yellow croaker were incubated either with graded levels of phosphatidylcholine (PC) (0-250 MUm) or small interfering RNA (siRNA) for CTP: choline phosphate cytidylyltranferase alpha (CCTalpha) (siRNA-CCTalpha). Results showed that survival was independent of dietary treatments (P>0.05). Weight gain and feed efficiency in the HL-HP group were significantly higher than in the LL-LP and HL-LP groups (P<0.05). High level of dietary PL could markedly reduce abnormal hepatic lipid accumulation induced by the HL-LP diet (P<0.05). Similarly, compared with the corresponding controls, a significant decrease/increase in lipid content was observed in primary hepatocytes incubated with PC/siRNA-CCTalpha (P<0.05). High level of dietary PL reversed the HL-LP diet induced increased levels of mRNA of fatty acid uptake and lipid synthesis related genes (P<0.05). In addition, High level of dietary PL markedly down-regulated the transcript levels of fatty acid oxidation-related genes and enhanced the transcript levels of VLDL assembly-related genes regardless of dietary lipid levels (P<0.05). Compared with corresponding controls, primary hepatocytes treated with PC showed significantly higher mRNA expression of lipid synthesis and VLDL assembly-related genes and lower mRNA expression of fatty acid oxidation related genes, with hepatocytes treated with siRNA-CCTalpha exhibiting the opposite trend (P<0.05). In summary, these results demonstrated that high level of dietary PL might reverse the HL-LP diet-induced abnormal lipid accumulation in the liver through inhibiting fatty acid uptake and lipid synthesis, together with promoting the lipid export at the transcriptional level. Lipid export-promoting effect of PC was confirmed by in vitro studies. The present study showed for the first time that PL or PC could influence various metabolic pathways to regulate hepatic lipid deposition in fish at least at the transcriptional level. PMID- 29198194 TI - The effects of diurnal Ramadan fasting on energy expenditure and substrate oxidation in healthy men. AB - The study aimed to examine the effects of diurnal Ramadan fasting (RF) on substrate oxidation, energy production, blood lipids and glucose as well as body composition. Nine healthy Muslim men (fasting (FAST) group) and eight healthy non practicing men (control (CNT) group) were assessed pre- and post-RF. FAST were additionally assessed at days 10, 20 and 30 of RF in the morning and evening. Body composition was determined by hydrodensitometry, substrate oxidation and energy production by indirect calorimetry, blood metabolic profile by biochemical analyses and energy balance by activity tracker recordings and food log analyses. A significant group*time interaction revealed that chronic RF reduced body mass and adiposity in FAST, without changing lean mass, whereas CNT subjects remained unchanged. In parallel to these findings, a significant main diurnal effect (morning v. evening) of RF on substrate oxidation (a shift towards lipid oxidation) and blood metabolic profile (a decrease in glucose and an increase in total cholesterol and TAG levels, respectively) was observed, which did not vary over the course of the Ramadan. In conclusion, although RF induces diurnal metabolic adjustments (morning v. evening), no carryover effect was observed throughout RF despite the extended daily fasting period (18.0 (sd 0.3) h) and changes in body composition. PMID- 29198195 TI - A severe gastroenteritis outbreak of Salmonella enterica serovar Enteritidis PT8, with PFGE profile XbaI.0024 and MLVA profile 2-9-7-3-2 following a christening reception, Greece, 2016. AB - In June 2016, a Salmonella enterica serovar Enteritidis outbreak (n = 56) occurred after a christening reception in Central Greece, mainly affecting previously healthy adults; one related death caused media attention. Patients suffered from profuse diarrhoea, fever and frequent vomiting episodes requiring prolonged hospitalisation and sick leave from work, with a 54% hospital admission rate. The majority of cases experienced serious illness within <12 h of attending the party. We investigated the outbreak to identify the source(s) of infection and contributing factors to the disease severity. From the retrospective cohort study, the cheesy penne pasta was the most likely vehicle of infection (relative risk 7.8; 95% confidence interval 3.6-16.8), explaining 79% of the cases. S. enterica ser. Enteritidis isolates were typed as phage-type PT8, pulsed-field gel electrophoresis type XbaI.0024, multiple locus variable-number tandem repeat analysis-type 2-9-7-3-2. The strain did not share the single-nucleotide polymorphism address of the concurrent European S. enterica ser. Enteritidis PT8 outbreak clusters. Following five consecutive years with no documented S. enterica ser. Enteritidis outbreaks in Greece, this outbreak, likely associated with a virulent strain, prompted actions towards the enhancement of the national Salmonella molecular surveillance and control programmes including the intensification of training of food handlers for preventing similar outbreaks in the future. Advanced molecular techniques were useful in distinguishing unrelated outbreak strains. PMID- 29198197 TI - The incidence of very late-onset psychotic disorders: a systematic review and meta-analysis, 1960-2016. AB - A substantial subset of people with psychotic disorders are first diagnosed in old age, yet little is known about the epidemiology of very late-onset schizophrenia-like psychosis. We investigated the incidence of affective and non affective psychotic disorders in those aged 65 and above, and examined variation related to potential risk factors via systematic literature review. We searched PubMed, PsychInfo, Web of Science and bibliographies and directly contacted authors to obtain citations published between 1960 and 2016 containing (derivable) incidence data. Cases were those diagnosed with non-organic psychotic disorders after age 65. Findings were presented narratively, and random-effects meta-analyses were used to obtain pooled incidence rates. From 5687 citations, 41 met inclusion criteria. The pooled incidence of: affective psychoses was 30.9 per 100 000 person-years at risk (100 kpy) [95% confidence interval (CI) 11.5-83.4; I2 = 0.99], and schizophrenia was 7.5 per 100 kpy (95% CI 6.2-9.1; I2 = 0.99), with some evidence of higher schizophrenia rates in women [odds ratio (OR) = 1.6; 95% CI 1.0-2.5, p = 0.05]. We found narrative evidence of increasing incidence rates of non-affective psychoses with age, and higher rates amongst migrants than baseline populations, but no evidence that incidence varied by study quality or case ascertainment period (quality OR = 1.04; 95% CI 0.74-1.48; time period OR = 1.00; 95% CI 0.95-1.05). Substantial heterogeneity in the incidence of very late onset schizophrenia-like psychoses was observed. No identified studies examined possible risk factors which may account for such variation, including socio economic status, sensory impairment, traumatic life events, or social isolation. PMID- 29198196 TI - The identification and expression analysis of candidate chemosensory genes in the bird cherry-oat aphid Rhopalosiphum padi (L.). AB - The bird cherry-oat aphid Rhopalosiphum padi (L.) is one of the most important wheat pests with polyphagia and autumn migrants. And, chemosensory genes were thought to play a key role in insect searching their hosts, food and mate. However, a systematic identification of the chemosensory genes in this pest has not been reported. Thus, in this study, we identified 14 odorant-binding proteins, nine chemosensory proteins, one sensory neuron membrane protein, 15 odorant receptors, 19 gustatory receptors and 16 ionotropic receptors from R. padi transcriptomes with a significantly similarity (E-value < 10-5) to known chemosensory genes in Acyrthosiphon pisum and Aphis gossypii. In addition, real time quantitative polymerase chain reaction (RT-qPCR) was employed to determine the expression profiles of obtained genes. Among these obtained genes, we selected 23 chemosensory genes to analyze their expression patterns in different tissues, wing morphs and host plants. We found that except RpOBP1, RpOBP3, RpOBP4 and RpOBP5, the rest of the selected genes were highly expressed in the head with antennae compared with body without head and antennae. Besides that, the stimulation and depression of chemosensory genes by plant switch indicated that chemosensory genes might be involved in the plant suitability assessment. These results not only provide insights for the potential roles of chemosensory genes in plant search and perception of R. padi but also provide initial background information for the further research on the molecular mechanism of the polyphagia and autumn migrants of it. Furthermore, these chemosensory genes are also the candidate targets for pest management control in future. PMID- 29198198 TI - Assessing resistance of sugarcane varieties to sugarcane borer Diatraea saccharalis Fab. (Lepidoptera: Crambidae). AB - In this study, we investigated resistance traits to the sugarcane borer Diatraea saccharalis Fab. (Lepidoptera: Crambidae) in the leaves and stalks of six sugarcane cultivars in a series of greenhouse and laboratory assays. Investigation of plant factors and infestation rates to better discriminate stalk damage by the sugarcane borer indicated that infestation of 7-month-old, single plants with 20 larvae at the third or fourth instar per plant was suitable to assess tunneling length. Three cultivars (i.e. SP803280, RB928064, and RB835486) had lower stalk damage (i.e. tunnel length) than cultivar SP891115, which exhibited relatively greater susceptibility to tunneling by the borer. The time required for the larvae to enter the sugarcane stalk was longer for cultivar SP803280, indicating resistance traits on the stalk surface, which correlated with lower stalk damage. Larvae feeding on SP813250 stalks had the lowest weight gain, indicating that this cultivar has resistance traits to larval development within its stalks. Cultivars RB867515 and SP891115 resulted in the highest mortality of early-stage larvae feeding on leaves, indicating the presence of resistance factors in their leaves. Multi-trait cluster and principal component analyses placed the cultivars into three and four clusters, respectively. The cultivars placed in different groups that exhibited resistance to leaf feeding, stalk entrance, and tunneling by the sugarcane borer could be used for crossings in sugarcane breeding programs with the goal of obtaining higher levels of resistance to D. saccharalis. PMID- 29198199 TI - Secular trends in the prevalence of major and subthreshold depression among 55-64 year olds over 20 years. AB - BACKGROUND: Studying secular trends in the exposure to risk and protective factors of depression and whether these trends are associated with secular trends in the prevalence of depression is important to estimate future healthcare demands and to identify targets for prevention. METHODS: Three birth cohorts of 55-64-year olds from the population-based Longitudinal Aging Study Amsterdam were examined using identical methods in 1992 (n = 944), 2002 (n = 964) and 2012 (n = 957). A two-stage screening design was used to identify subthreshold depression (SUBD) and major depressive disorder (MDD). Multinomial logistic regression analyses were used to identify secular trends in depression prevalence and to identify factors from the biopsychosocial domains of functioning that were associated with these trends. RESULTS: Compared with 1992, MDD became more prevalent in 2002 (OR 1.90, 95% CI 1.10-3.28, p = 0.022) and 2012 (OR 1.80, 95% CI 1.03-3.14, p = 0.039). This was largely attributable to an increase in the prevalence of chronic diseases and functional limitations. Socioeconomic and psychosocial improvements, including an increase in labor market participation, social support and mastery, hampered MDD rates to rise more and were also associated with a 32% decline of SUBD-rates in 2012 as compared with 2002 (OR 0.68, 95% CI 0.48-0.96, p = 0.03). CONCLUSIONS: Among late middle-aged adults, there is a substantial net increase of MDD, which is associated with deteriorating physical health. If morbidity and disability continue to increase, a further expansion of MDD rates may be expected. Improving socioeconomic and psychosocial conditions may benefit public health, as these factors were protective against a higher prevalence of both MDD and SUBD. PMID- 29198200 TI - Selecting native perennial plants for ecological intensification in Mediterranean greenhouse horticulture. AB - Natural control by predators and parasitoids provides an important and often unnoticed ecosystem service to agricultural landscapes by reducing pest populations in crops. The current model of horticultural intensification in south eastern Spain produces high yields but has also resulted in a landscape almost completely covered by plastic. Promoting natural areas among greenhouses could enhance biodiversity, by being beneficial insects, and reduce pest pressure outdoors. The first step is to ascertain how pests and their natural enemies (NEs) use Mediterranean vegetation for selecting the best plants for pest suppression outdoors. The abundance of the two major horticultural pests, the tobacco whitefly, Bemisia tabaci, and the western flower thrips, Frankliniella occidentalis, together with their NEs, were assayed in 22 flowering perennial plants, which were newly planted in an experimental field surrounded by greenhouses. Eight plant species were identified as the most critical species for sustaining pest populations outdoors. A set of five plant species supported a medium level of pests, and another set of ten plant species supported the lowest level of both pests. Tobacco whitefly occurred in a few plants species, whereas western flower thrips occurred on almost all the plant species studied, and was favoured by the presence of flowers in perennial plants. The results suggest that plant diversity may provide relatively few acceptable host plants for tobacco whitefly than for western flower thrips. NEs were generally collected in plants that also supported abundance of pests, indicating that host/prey availability, more than food resources from flowers, was a stronger predictor of NE abundance in perennial plants. Field trials using the plants with the lowest host acceptance by pests are needed in order to ascertain whether pest abundance outdoors is reduced. PMID- 29198201 TI - Vitamin D in adolescence: evidence-based dietary requirements and implications for public health policy. AB - Vitamin D is a unique nutrient. First, it acts as a pro-hormone and secondly, the requirement for vitamin D can be met by both endogenous synthesis from sunlight and by dietary sources. This complicates the determination of dietary requirements for vitamin D, which along with the definition of optimal vitamin D status, have been highly controversial and much debated over recent years. Adolescents are a population group at high risk of low vitamin D status, which is concerning given the important role of vitamin D, and calcium, in promoting normal bone mineralisation and attainment of peak bone mass during this rapid growth phase. Dietary vitamin D recommendations are important from a public health perspective in helping to avoid deficiency and optimise vitamin D status for health. However limited experimental data from winter-based dose-response randomised trials in adolescents has hindered the development of evidence-based dietary requirements for vitamin D in this population group. This review will highlight how specifically designed randomised trials and the approach adopted for estimating such requirements can lead to improved recommendations. Such data indicate that vitamin D intakes of between 10 and about 30 ug/d may be required to avoid deficiency and ensure adequacy in adolescents, considerably greater than the current recommendations of 10-15 ug/d. Finally this review will consider the implications of this on public health policy, in terms of future refinements of vitamin D requirement recommendations and prioritisation of public health strategies to help prevent vitamin D deficiency. PMID- 29198202 TI - Effects of insecticides chlorpyrifos, emamectin benzoate and fipronil on Spodoptera litura might be mediated by OBPs and CSPs. AB - Spodoptera litura is a widespread polyphagous insect pest that can develop resistance and cross-resistance to insecticides, making it difficult to control. Insecticide exposure has previously been linked with induction of specific olfactory-related proteins, including some chemosensory proteins (CSPs) and odorant-binding proteins (OPBs), which may disrupt detection of environmental factors and reduce fitness. However, functional evidence supporting insecticide and OBPs/CSPs mediation remains unknown. Here we fed male S. litura moths with sucrose water containing one of three insecticides, chlorpyrifos, emamectin benzoate or fipronil, and used real-time quantitative polymerase chain reaction and RNAi to investigate OBPs and CSPs expression and their correlations with survival. Chlorpyrifos and emamectin benzoate increased expression of 78% of OBPs, plus 63 and 56% of CSP genes, respectively, indicating a major impact on these gene families. RNAi knockdown of SlituCSP18, followed by feeding with chlorpyrifos or fipronil, decreased survival rates of male moths significantly compared with controls. Survival rate also decreased significantly with the downregulation of SlituOBP9 followed by feeding with chlorpyrifos. Thus, although these three insecticides had different effects on OBP and CSP gene expression, we hypothesize that SlituOBPs and SlituCSPs might mediate their effects by increasing their expression levels to improve survival. Moreover, the differential response of S. litura male moths to the three insecticides indicated the potential specificity of chlorpyrifos affect SlituCSP18 and SlituOBP9 expression. PMID- 29198203 TI - Blastoschizomyces capitatus pulmonary infections in immunocompetent patients: case report, case series and literature review. AB - Blastoschizomyces capitatus is an uncommon opportunistic yeast associated with infections in neutropaenic patients secondary to haematological malignancies, with a special predilection for the lungs. Globalisation and population migration impact on the epidemiology of infection with this organism but its effect on the immunocompetent population has rarely been described. We present here a case report, an overview of 11 other cases published between 2000 and 2016, and a comprehensive literature review of Blastoschizomyces pneumonia in the non immunocompromised. The median age at diagnosis was 68 years (range 40-86 years) and more than half the cases reported a positive history of either current or past tobacco smoking. Six cases had either clinical or radiological evidence of chronic obstructive pulmonary disease and three had a history of prior treated tuberculosis. Fluconazole and itraconazole, alone or in combination, was the most utilised treatment. We conclude that unlike most other invasive yeast species, B. capitatus poses an infectious risk for immunocompetent patients, usually of middle to older age with risk factors for distorted lung architecture. Further research is warranted into the pathophysiology of Blastoschizomyces infections in the immunocompetent, including standardised treatment options. PMID- 29198205 TI - Do mothers really know best? Complexities in testing the preference-performance hypothesis in polyphagous frugivorous fruit flies. AB - The preference-performance hypothesis (PPH) has widely been used to explain host exploitation patterns by phytophagous insects. However, this hypothesis often fails in the case of polyphagous species when compared with specialists. One explanation, validated by the information-processing hypothesis (IPH), considers that polyphagous insects are unable to process a large array of cues, which hinders females from distinguishing between high- and low- quality hosts. Here we analyzed Anastrepha ludens female host preference and offspring performance, and tested if neuronal limitations could possibly play a role in the incapacity of the polyphagous A. ludens to make 'accurate decisions' and therefore partially explain mismatches related to PPH. Results testing the PPH by correlating female preference to six naturally occurring hosts and its offspring outcomes show that A. ludens females oviposited greater proportions of eggs on fruit according to hierarchical preferences. Infestation level was low in white sapote, the preferential and seemingly putative ancestral host, likely due to sapote defence mechanisms. Pupal weight and adult size were lower when A. ludens larvae developed in guava (conditional host that was artificially infested) and peach, a lower ranked host compared with 'Marsh' grapefruit, white sapote, and 'Manila' mango (three preferred hosts). Larvae reared in 'Manzano' pepper, a low-ranked host, performed better than in peach and guava. Results testing the IPH, show that polyphagous A. ludens females were less accurate when discerning between a non natural host (guava) when compared with a preferred, natural host (grapefruit): error rate was significantly higher, number of oviposited fruit in a 6-h period was extremely low, time searching and ovipositing took longer, and pupae recovery was extremely low. Our findings indicate that both hypotheses tested are complementary and help better understand host use by A. ludens. However, we also discuss the complexity of polyphagy considering other factors such as plant resistance/defence mechanisms which are not fully addressed in both theories tested. PMID- 29198206 TI - THE DYNAMIC INTER-RELATIONSHIP BETWEEN OBESITY AND SCHOOL PERFORMANCE: NEW EMPIRICAL EVIDENCE FROM AUSTRALIA. AB - SummaryThis paper proposes a new empirical model for examining the relationship between obesity and school performance using the simultaneous equation modelling approach. The lagged effects of both learning and health outcomes were included to capture both the dynamic and inter-relational aspects of the relationship between obesity and school performance. The empirical application of this study used comprehensive data from the first five waves of the Longitudinal Study of Australian Children (LSAC), which commenced in 2004 (wave 1) and was repeated every two years until 2018. The study sample included 10,000 children, equally divided between two cohorts (infants and children) across Australia. The empirical results show that past learning and obesity status are strongly associated with most indicators of school outcomes, including reading, writing, spelling, grammar and numeracy national tests, and scores from the internationally standardized Peabody Picture Vocabulary Test and the Matrix Reasoning Test. The main findings of this study are robust due to the choice of obesity indicator and estimation methods. PMID- 29198204 TI - Assessing the evidence for shared genetic risks across psychiatric disorders and traits. AB - Genetic influences play a significant role in risk for psychiatric disorders, prompting numerous endeavors to further understand their underlying genetic architecture. In this paper, we summarize and review evidence from traditional twin studies and more recent genome-wide molecular genetic analyses regarding two important issues that have proven particularly informative for psychiatric genetic research. First, emerging results are beginning to suggest that genetic risk factors for some (but not all) clinically diagnosed psychiatric disorders or extreme manifestations of psychiatric traits in the population share genetic risks with quantitative variation in milder traits of the same disorder throughout the general population. Second, there is now evidence for substantial sharing of genetic risks across different psychiatric disorders. This extends to the level of characteristic traits throughout the population, with which some clinical disorders also share genetic risks. In this review, we summarize and evaluate the evidence for these two issues, for a range of psychiatric disorders. We then critically appraise putative interpretations regarding the potential meaning of genetic correlation across psychiatric phenotypes. We highlight several new methods and studies which are already using these insights into the genetic architecture of psychiatric disorders to gain additional understanding regarding the underlying biology of these disorders. We conclude by outlining opportunities for future research in this area. PMID- 29198207 TI - Neuroanatomical changes in people with high schizotypy: relationship to glutamate levels. AB - BACKGROUND: Cortical glutamatergic dysfunction is thought to be fundamental for psychosis development, and may lead to structural degeneration through excitotoxicity. Glutamate levels have been related to gray matter volume (GMV) alterations in people at ultra-high risk of psychosis, and we previously reported GMV changes in individuals with high schizotypy (HS), which refers to the expression of schizophrenia-like characteristics in healthy people. This study sought to examine whether GMV changes in HS subjects are related to glutamate levels. METHODS: We selected 22 healthy subjects with HS and 23 healthy subjects with low schizotypy (LS) based on their rating on a self-report questionnaire for psychotic-like experiences. Glutamate levels were measured in the bilateral anterior cingulate cortex (ACC) using proton magnetic resonance spectroscopy, and GMV was assessed using voxel-based morphometry. RESULTS: Subjects with HS showed GMV decreases in the rolandic operculum/superior temporal gyrus (pFWE = 0.045). Significant increases in GMV were also detected in HS, in the precuneus (pFWE = 0.043), thereby replicating our previous finding in a separate cohort, as well as in the ACC (pFWE = 0.041). While the HS and LS groups did not differ in ACC glutamate levels, in HS subjects ACC glutamate was negatively correlated with ACC GMV (pFWE = 0.026). Such association was absent in LS. CONCLUSIONS: Our study shows that GMV findings in schizotypy are related to glutamate levels, supporting the hypothesis that glutamatergic function may lead to structural changes associated with the expression of psychotic-like experiences. PMID- 29198209 TI - Speech sound characteristics of early words: influence of phonological factors across vocabulary development. AB - This study investigates whether the earliest words children choose to say are mainly words containing sounds they can produce (cf. 'phonological dominance' hypotheses), or whether children choose words without regard to their phonological characteristics (cf. 'lexical dominance' hypotheses). Phonological properties of words in spontaneous speech from six children age 0;8 to 2;11 were analyzed by comparing sound distributions of consonant place and manner. Word initial and word-final consonant patterns in children's Word Targets versus Actual Word Forms were analyzed as a function of vocabulary size. Word-initial results showed more overall evidence for phonological dominance. In word-final position, at lower vocabulary sizes, results showed several differences between Word Targets and Actual Word Forms, consistent with lexical dominance. These findings challenge an 'either-or' phonological versus lexical dominance approach, and support consideration of a multifactorial set of influences, including different phonological dimensions and word positions, on the words that young children choose to say. PMID- 29198208 TI - Association between childhood infection, serum inflammatory markers and intelligence: findings from a population-based prospective birth cohort study. AB - A link between infection, inflammation, neurodevelopment and adult illnesses has been proposed. The objective of this study was to examine the association between infection burden during childhood - a critical period of development for the immune and nervous systems - and subsequent systemic inflammatory markers and general intelligence. In the Avon Longitudinal Study of Parents and Children, a prospective birth cohort in England, we examined the association of exposure to infections during childhood, assessed at seven follow-ups between age 1.5 and 7.5 years, with subsequent: (1) serum interleukin 6 and C-reactive protein (CRP) levels at age 9; (2) intelligence quotient (IQ) at age 8. We also examined the relationship between inflammatory markers and IQ. Very high infection burden (90+ percentile) was associated with higher CRP levels, but this relationship was explained by body mass index (adjusted odds ratio (OR) 1.19; 95% confidence interval (CI) 0.95-1.50), maternal occupation (adjusted OR 1.23; 95% CI 0.98 1.55) and atopic disorders (adjusted OR 1.24; 95% CI 0.98-1.55). Higher CRP levels were associated with lower IQ; adjusted beta = -0.79 (95% CI -1.31 to 0.27); P = 0.003. There was no strong evidence for an association between infection and IQ. The findings indicate that childhood infections do not have an independent, lasting effect on circulating inflammatory marker levels subsequently in childhood; however, elevated inflammatory markers may be harmful for intellectual development/function. PMID- 29198210 TI - Sustainable diet policy development: implications of multi-criteria and other approaches, 2008-2017. AB - The objective of the present paper is to draw lessons from policy development on sustainable diets. It considers the emergence of sustainable diets as a policy issue and reviews the environmental challenge to nutrition science as to what a 'good' diet is for contemporary policy. It explores the variations in how sustainable diets have been approached by policy-makers. The paper considers how international United Nations and European Union (EU) policy engagement now centres on the 2015 Sustainable Development Goals and Paris Climate Change Accord, which require changes across food systems. The paper outlines national sustainable diet policy in various countries: Australia, Brazil, France, the Netherlands, Qatar, Sweden, UK and USA. While no overarching common framework for sustainable diets has appeared, a policy typology of lessons for sustainable diets is proposed, differentiating (a) orientation and focus, (b) engagement styles and (c) modes of leadership. The paper considers the particularly tortuous rise and fall of UK governmental interest in sustainable diet advice. Initial engagement in the 2000s turned to disengagement in the 2010s, yet some advice has emerged. The 2016 referendum to leave the EU has created a new period of policy uncertainty for the UK food system. This might marginalise attempts to generate sustainable diet advice, but could also be an opportunity for sustainable diets to be a goal for a sustainable UK food system. The role of nutritionists and other food science professions will be significant in this period of policy flux. PMID- 29198211 TI - Association of Cx43 rs2071166 polymorphism with an increased risk for atrial septal defect. AB - Atrial septal defect is one of the most common CHD. The pathogenesis of atrial septal defect still remains unknown. Cx43 is the most prevalent connexin in the mammalian heart during development. Its genetic variants can cause several CHD. The aim of our study was to investigate the association of genetic variations of the Cx43 with sporadic atrial septal defect. A total of 450 paediatric patients were recruited, including 150 cases with atrial septal defect and 300 healthy controls. The promoter region of Cx43 was analysed by sequencing after polymerase chain reaction. All data were analysed by using the Statistic Package for Social Science 19.0 software. The frequency of the single nucleotide polymorphism rs2071166 was significantly higher in atrial septal defect cases than in healthy controls. The CC genotype at rs2071166 site in Cx43 was correlated with an increased risk for atrial septal defect (p<0.0001, odds ratio=3.891, 95% confidence interval 1.948-7.772) and the C allele was positively correlated with atrial septal defect (p=0.007, odds ratio=1.567, 95% confidence interval 1.129 2.175). In conclusion, our results confirmed that rs2071166 in Cx43 may be relevant with an increased atrial septal defect risk. PMID- 29198212 TI - Rubella vaccination in India: identifying broad consequences of vaccine introduction and key knowledge gaps. AB - Rubella virus infection typically presents as a mild illness in children; however, infection during pregnancy may cause the birth of an infant with congenital rubella syndrome (CRS). As of February 2017, India began introducing rubella-containing vaccine (RCV) into the public-sector childhood vaccination programme. Low-level RCV coverage among children over several years can result in an increase in CRS incidence by increasing the average age of infection without sufficiently reducing rubella incidence. We evaluated the impact of RCV introduction on CRS incidence across India's heterogeneous demographic and epidemiological contexts. We used a deterministic age-structured model that reflects Indian states' rural and urban area-specific demography and vaccination coverage levels to simulate rubella dynamics and estimate CRS incidence with and without RCV introduction to the public sector. Our analysis suggests that current low-level private-sector vaccination has already slightly increased the burden of CRS in India. We additionally found that the effect of public-sector RCV introduction depends on the basic reproductive number, R 0, of rubella. If R 0 is five, a value empirically estimated from an array of settings, CRS incidence post RCV introduction will likely decrease. However, if R 0 is seven or nine, some states may experience short-term or annual increases in CRS, even if a long-term total reduction in cases (30 years) is expected. Investment in population-based serological surveys and India's fever/rash surveillance system will be key to monitoring the success of the vaccination programme. PMID- 29198213 TI - Presence of neuroticism and antidepressant remission rates in late-life depression: results from the Neurobiology of Late-Life Depression (NBOLD) study. AB - ABSTRACTNeuroticism in older adults is common yet understudied, particularly its effects on depression treatment outcomes. We hypothesized that presence of high neuroticism would be associated with lower 12-week remission rates in older depressed sertraline-treated patients. In this longitudinal cohort study, 43 depressed older adults completed the Revised NEO Personality Inventory (NEO PI R). A study psychiatrist administered the Montgomery Asberg Depression Rating Scale (MADRS), and the Cumulative Illness Rating Scale (CIRS, a measure of medical burden) at baseline, and the MADRS at each clinical visit. All subjects began open-label sertraline treatment and were followed over 12 weeks with clinically indicated flexible dosing and an option to switch antidepressants. We used regression analyses to examine factors related to 12-week remission of depression (MADRS score < 8) and final MADRS score. We found that higher total neuroticism (odds ratio (OR) = 0.963, 95% confidence interval (CI) = 0.928-1.000) and a neuroticism subscale, stress vulnerability (OR = 0.846, 95% CI = 0.728 0.983), were associated with lower likelihood of remission among both the intention-to-treat group and sertraline completers. Findings remained significant after controlling for baseline MADRS and CIRS score. In conclusion, assessment of personality, particularly features of neuroticism, may be important in management of late-life depression. Future studies should determine if depressed patients high in neuroticism may benefit from psychotherapy focusing on emotional regulation and stress management. PMID- 29198214 TI - Teachers' Perceived Disruption at School and Related Variables from Teachers and School Functioning. AB - This study explores variables related to teachers' perception of disruption at school as a function of teachers (sense of personal accomplishment, professional disengagement and depersonalization and emotional exhaustion) and school (overall school management and quality of school rules) factors. Using a questionnaire regarding school climate, data from 4,055 teachers across 187 high schools were analyzed. Hierarchical linear modeling was applied and the results indicate that, taken separately, significant individual teacher predictors (Model 1) explain 26% (95% CI [.23, .29]) of the variability of the perceived disruption, especially depersonalization and emotional exhaustion. Contextual school variables (Model 2) explained 15% (95% CI [.12, .18]) of variance in teachers' perceived disruption, with a significant negative relationship with the quality of rules. Model 3 included the above factors plus interactions between the emotional exhaustion and depersonalization variables and school indicators (30% of variance explained; 95% CI [.26, .33]). The results indicated the existence of a moderating effect for the quality of school rules, so that fair and properly-applied rules in the school context may be associated with a decrease in the relationship between depersonalization and emotional exhaustion and perceived disruption. PMID- 29198215 TI - Dietary l-arginine supplementation improves semen quality and libido of boars under high ambient temperature. AB - l-Arginine is a nutritionally essential amino acid for spermatogenesis and plays versatile roles in animal health and can be utilized as a potential agent to improve reproductive performance of boars under high ambient temperature. The present study aimed to determine whether dietary l-arginine could alleviate heat stress-induced infertility in boars. In all, 20 boars (PIC 1040; 248.59+/-3.84 kg BW and 407.65+/-6.40 days of age) were selected and randomly assigned to four groups (group 0.0%, basal diet; group 0.6%, 0.8% or 1.0%, basal diet added with 0.6%, 0.8% or 1.0% l-arginine (wt:wt), respectively.) The four diets were made isonitrogenous by addition of appropriate amounts of l-alanine. Boars were pre fed the corresponding experimental diet for 42 days. Then, the semen characteristics and libido were accessed for 6 weeks during the hot summer period (25.5 degrees to 33.0 degrees C). Results show that dietary l-arginine remarkably improved sperm motility, normality, total sperm number and effective total sperm number. Also, dietary l-arginine improved semen antioxidant capacity, such as decrease of malondialdehyde and 8-Hydroxy-2'-deoxyguanosine content in sperm (P<0.05), increase of the ratio of glutathione and oxidized glutathione, total antioxidant capacity, glutathione peroxidase and catalase activities in seminal plasma (P<0.05). Most of mitochondria contained intact ultrastructure in l-arginine-supplemented group which also accompany with higher ATP content than the 0.0% group. The boars fed 0.8% l-arginine show increased levels of estradiol 17beta and testosterone and exhibit improved libido performance than boars in the 0.0% group. Adding dietary l-arginine linearly increased (P=0.002) nitric oxide content (as l-arginine increased). The scrotal surface temperature in the 0.6%, 0.8% and 1.0% group were decreased by 0.9 degrees C, 0.9 degrees C and 0.4 degrees C, respectively, compared with the 0.0% group. l-Arginine levels caused linear effect on semen quality and antioxidant capacity, also caused quadratic effect on libido performance. During the hot summer months, the predicted optimal l-arginine levels for best semen quality and antioxidant capacity was 0.8% to 1.0% and for best libido performance was 0.8%. It can be concluded that l arginine can be used as an effective agent to alleviate heat stress-induced infertility of boar, and that 0.8% to 1.0% can be considered as the optimum dosage. PMID- 29198216 TI - Word and Nonword Repetition Abilities in Spanish Language: Longitudinal Evidence from Typically Developing and Late Talking Children. AB - This longitudinal study examined the early word and nonword repetition abilities of monolingual Spanish speaking children. We explored the role that word status, word length, and time play in repetition performance of children with different vocabulary levels. We also examined the predictive value of vocabulary level in repetition abilities. Thirty-seven children participated in this study: 15 late talkers and 22 typically developing children. Families completed the Spanish version of the MacArthur Communicative Developmental Inventory (MCDI) at age 2; children performed a word and nonword repetition task at three different moments, with a temporal interval of 6 months between Time 1 and Time 2, and eight months between Time 2 and Time 3, periods during which linguistic development takes place. We found significant effects for word status, word length, vocabulary level and time: words are repeated better than nonwords; one syllable items are easier to repeat than two and three syllable ones; the performance of late talking children is lower compared to typically developing children throughout the study; and repetition abilities improve longitudinally. In addition, early vocabulary level predicts subsequent repetition abilities and early nonword repetition abilities predict future nonword repetition performance. PMID- 29198217 TI - What Does It Take to Search Organized? The Cognitive Correlates of Search Organization During Cancellation After Stroke. AB - OBJECTIVES: Stroke could lead to deficits in organization of visual search. Cancellation tests are frequently used in standard neuropsychological assessment and appear suitable to measure search organization. The current aim was to evaluate which cognitive functions are associated with cancellation organization measures after stroke. METHODS: Stroke patients admitted to inpatient rehabilitation were included in this retrospective study. We performed exploratory factor analyses to explore cognitive domains. A digital shape cancellation test (SC) was administered, and measures of search organization (intersections rate and best r) were computed. The following cognitive functions were measured by neuropsychological testing: neglect (SC, line bisection; LB, Catherine Bergego Scale; CBS, and Balloons Test), visuospatial perception and construction (Rey Complex Figure Test, RCFT), psychomotor speed (Trail Making Test; TMT-A), executive functioning/working memory (TMT-B), spatial planning (Tower Test), rule learning (Brixton Test), short-term auditory memory (Digit Span Forward; DSF), and verbal working memory (Digit Span Backward; DSB). RESULTS: In total, 439 stroke patients were included in our analyses. Four clusters were separated: "Executive functioning" (TMT-A, TMT-B, Brixton Test, and Tower Test), "Verbal memory" (DSF and DSB), "Search organization" (intersections rate and best r), and "Neglect" (CBS, RCFT copy, Balloons Test, SC, and LB). CONCLUSIONS: Search organization during cancellation, as measured with intersections rate and best r, seems a distinct cognitive construct compared to existing cognitive domains that are tested during neuropsychological assessment. Administering cancellation tests and analyzing measures of search organization could provide useful additional insights into the visuospatial processes of stroke patients. (JINS, 2018, 24, 424-436). PMID- 29198218 TI - PASTRAB: a model for simulating intake regulation and growth of rabbits raised on pastures. AB - Given the very recent investment in research on organic rabbit production, many knowledge gaps remain. Simulation models based on data from experiments and farms may help generate general principles for organic rabbit production. Our goals were to (i) develop a model to simulate intake regulation and growth of rabbits raised on pastures, (ii) validate this model under a diversity of conditions and (iii) conduct a simulation experiment to predict the potential to decrease the supply of complete feed by increasing the grazing area per rabbit. The model developed (PASTRAB) simulates organic rabbit fattening on pastures in four main submodels that represent dynamics of (i) herbage standing biomass, fill and feed values; (ii) intake of herbage, complementary feed (i.e. complete pellets, cereal legume grain mixtures) and hay as regulated by herbage allowance, fill and feed values of feedstuffs and rabbit physiological parameters; (iii) conversion of rabbit intake into live weight gain; and (iv) rabbit mortality. The model also calculates gross margin per rabbit sold. Model accuracy was assessed by considering the fit between observed and predicted herbage intake, which was low, with a relative root mean square error (rRMSE) of 51% and 66% on grass-based and legume-based pastures, respectively. However, the standard deviations of observed herbage intake were similar to the root mean square error of predicted herbage intake, indicating that it would have been difficult to improve model calibration. The fit between observed and predicted rabbit live weight was acceptable, with an rRMSE of 11% and 10% for grass-based and legume-based pastures, respectively. Simulated scenarios showed that a decrease in complementary feed combined with an increase in the grazing area per rabbit had little impact on average daily growth and gross margin per rabbit but increased herbage use efficiency. With 90 g of complementary feed per day and grazing of 0.4 m2/rabbit per day, herbage use efficiency was 22%, with average daily growth of 21.6 g/day and gross margin of 18.80 ?/rabbit. With no complementary feed and grazing of 1.2 m2/rabbit per day, average daily growth decreased (19.2 g/day), but herbage use efficiency reached 100% and gross margin reached 19.20 ?/rabbit. We used PASTRAB in participatory workshops with farmers so that the latter could explore adaptations to their current practices. Overall, farmers considered the model predictions realistic, and some of them decided to adapt some of their management practices immediately after the workshops. PMID- 29198219 TI - Unravelling the physical, technological and economic factors driving the intensification trajectories of livestock systems. AB - Over the past 100 years, the French livestock sector has experienced significant intensification that has occurred in different ways across the country. Specifically, France has changed from a homogeneous state with most of the agricultural area covered by grasslands and a uniform distribution of animals, to a heterogeneous state characterised by an uneven distribution of grasslands, livestock numbers and livestock species. Studying the dynamics of this change is fundamental to the identification of drivers that shaped the various intensification trajectories and led to these different states, as well as to the prediction of future changes. Hence, the objective of this study was to characterise the trajectories undertaken by the French livestock sector to understand the intensification process and the role of socioeconomic, land use and production-related factors. A set of 10 indicators was employed to analyse the main changes between 1938 and 2010, using principal component analysis followed by a clustering of the 88 French departments. Between 1938 and 2010, significant increases in farm size, mechanisation, labour productivity and the stocking rates of monogastrics enabled the French livestock sector to double its production. The most important changes involved mechanisation (with the number of tractors per hectare (ha) rising from 0.0012 to 0.0053), labour productivity (improving from 8.6 to 35.9 ha/worker), livestock production (e.g. milk production increasing from 758 to 1856 l/ha of fodder area) and stocking rates (rising from 0.57 to 0.98 livestock units (LU) per ha). The increased heterogeneity apparent in the patterns of change throughout France's departments was captured by clustering four trajectories. Two trajectories were formed by departments that experienced strong specialisation towards livestock production, with one type mainly orientated towards high-intensive dairy, poultry and pig landless production systems, and a second type orientated towards extensive beef grazing production systems. Another trajectory corresponded to departments that specialised in crop production with high labour productivity; mixed crop livestock systems were still maintained at the margins of this group of departments. The fourth trajectory corresponded to the lowest livestock population and productivity levels. The increase in mechanisation during the period was important but uniform, with no significant differences between the trajectories. This typology of intensification trajectories will enable the targeting of specific areas in which the detrimental impacts of livestock intensification require mitigation and provide guidance for future livestock sector developments. PMID- 29198220 TI - Meeting UK dietary recommendations is associated with higher estimated consumer food costs: an analysis using the National Diet and Nutrition Survey and consumer expenditure data, 2008-2012. AB - OBJECTIVE: To test whether diets achieving recommendations from the UK's Scientific Advisory Committee on Nutrition (SACN) were associated with higher monetary costs in a nationally representative sample of UK adults. DESIGN: A cross-sectional study linking 4 d diet diaries in the National Diet and Nutrition Survey (NDNS) to contemporaneous food price data from a market research firm. The monetary cost of diets was assessed in relation to whether or not they met eight food- and nutrient-based recommendations from SACN. Regression models adjusted for potential confounding factors. The primary outcome measure was individual dietary cost per day and per 2000 kcal (8368 kJ). SETTING: UK. SUBJECTS: Adults (n 2045) sampled between 2008 and 2012 in the NDNS. RESULTS: On an isoenergetic basis, diets that met the recommendations for fruit and vegetables, oily fish, non-milk extrinsic sugars, fat, saturated fat and salt were estimated to be between 3 and 17 % more expensive. Diets meeting the recommendation for red and processed meats were 4 % less expensive, while meeting the recommendation for fibre was cost-neutral. Meeting multiple targets was also associated with higher costs; on average, diets meeting six or more SACN recommendations were estimated to be 29 % more costly than isoenergetic diets that met no recommendations. CONCLUSIONS: Food costs may be a population-level barrier limiting the adoption of dietary recommendations in the UK. Future research should focus on identifying systems- and individual-level strategies to enable consumers achieve dietary recommendations without increasing food costs. Such strategies may improve the uptake of healthy eating in the population. PMID- 29198221 TI - Person-centered care in Norwegian nursing homes and its relation to organizational factors and staff characteristics: a cross-sectional survey. AB - : ABSTRACTBackground:Person-centered care (PCC) is regarded as good quality care for persons with dementia. This study aimed to explore and understand the association between PCC and organizational, staff and unit characteristics in nursing homes (NHs). METHODS: Staff from 175 NH units in Norway (n = 1,161) completed a survey, including measures of PCC and questions about staff characteristics and work-related psychosocial factors. In addition, data about organizational and structural factors and assessment of the physical environment in the units were obtained. The distribution of these factors in regular units (RUs) and special care units (SCUs) is described, and the differences between the two types of units are analyzed. Furthermore, multilevel linear regression analyses explored the extent to which variables were associated with PCC. RESULTS: Higher levels of PCC were associated with a greater job satisfaction, three years or more of health-related education, a lower level of quantitative demands and role conflict, a higher level of perception of mastery, empowering leadership, innovative climate and perception of group work, in addition to the type of unit and the physical environment in the NH unit designed for people with dementia. SCU and staff job satisfaction explained most of the variation in PCC. CONCLUSION: This study shows an association between PCC and organizational, staff and unit characteristics in NH. These findings indicate that providing PCC in NH care is closely linked to how the staff experiences their job situation in addition to both organizational and structural factors and the physical environment. Attention needs to be given to such factors when planning NH care. PMID- 29198222 TI - Epinephrine syringe exchange events in a paediatric cardiovascular ICU: analysing the storm. AB - : Introduction Haemodynamically unstable patients can experience potentially hazardous changes in vital signs related to the exchange of depleted syringes of epinephrine to full syringes. The purpose was to determine the measured effects of epinephrine syringe exchanges on the magnitude, duration, and frequency of haemodynamic disturbances in the hour after an exchange event (study) relative to the hours before (control). Materials and methods Beat-to-beat vital signs recorded every 2 seconds from bedside monitors for patients admitted to the paediatric cardiovascular ICU of Texas Children's Hospital were collected between 1 January, 2013 and 30 June, 2015. Epinephrine syringe exchanges without dose/flow change were obtained from electronic records. Time, magnitude, and duration of changes in systolic blood pressure and heart rate were characterised using Matlab. Significant haemodynamic events were identified and compared with control data. RESULTS: In all, 1042 syringe exchange events were found and 850 (81.6%) had uncorrupted data for analysis. A total of 744 (87.5%) exchanges had at least 1 associated haemodynamic perturbation including 2958 systolic blood pressure and 1747 heart-rate changes. Heart-rate perturbations occurred 37% before exchange and 63% after exchange, and 37% of systolic blood pressure perturbations happened before syringe exchange, whereas 63% occurred after syringe exchange with significant differences found in systolic blood pressure frequency (p<0.001), duration (p<0.001), and amplitude (p<0.001) compared with control data. CONCLUSIONS: This novel data collection and signal processing analysis showed a significant increase in frequency, duration, and magnitude of systolic blood pressure perturbations surrounding epinephrine syringe exchange events. PMID- 29198223 TI - Ibuprofen and indomethacin differentially regulate vascular endothelial growth factor and its receptors in ductus arteriosus endothelial cells. AB - BACKGROUND: Cyclooxygenase inhibitors are widely applied to facilitate ductal closure in preterm infants. The mechanisms that lead to patent ductus arteriosus closure are incompletely understood. Vascular endothelial growth factor plays pivotal roles during ductal closure and remodelling. Aim The aim of this study was to investigate the effects of ibuprofen and indomethacin on the expression of vascular endothelial growth factor and its receptors in a primary rat ductus arteriosus endothelial cell culture. METHODS: Protein expression of vascular endothelial growth factor and vascular endothelial growth factor receptor 1 and 2 was confirmed in rat ductus arteriosus and aorta by immunofluorescence staining. Fetal rat endothelial cells were isolated from ductus arteriosus and aorta using immunomagnetic cell sorting and treated with ibuprofen or indomethacin. mRNA expression levels were assessed by quantitative polymerase chain reaction analysis. RESULTS: In ductal endothelial cells, ibuprofen significantly induced vascular endothelial growth factor and its receptor 2, but not receptor 1, whereas indomethacin did not alter the expression levels of the vascular endothelial growth factor system. In contrast, ibuprofen significantly induced vascular endothelial growth factor and its receptors 1 and 2 in aortic endothelial cells, whereas indomethacin only induced vascular endothelial growth factor receptor 2. CONCLUSION: Our results indicate differential effects of ibuprofen and indomethacin on the expression levels of the vascular endothelial growth factor system in ductus arteriosus endothelial cells. In addition, vessel specific differences between ductal and aortic endothelial cells were found. Further in vivo studies are needed to elucidate the biological significance of these findings. PMID- 29198224 TI - Case report and review of the literature: the utilisation of a ventricular assist device as bridge to recovery for anthracycline-induced ventricular dysfunction. AB - Ventricular assist devices are used in children with heart failure as a bridge to myocardial recovery or cardiac transplantation. Anthracyclines cause cardiac toxicity and may result in acute or long-term cardiac failure. We describe the use of a ventricular assist device as a bridge to recovery in a child with severe acute anthracycline-induced cardiomyopathy, and we review the associated literature. A 6-year-old girl was treated for acute myeloblastic leukaemia with daunorubicin and mitoxantrone. After 2 weeks her final dose of chemotherapy, her Left Ventricular Ejection Fraction decreased to 21%. Despite initiation of medical therapy, she had continued deterioration of left ventricular function and developed evidence of poor end-organ perfusion. She was not a candidate for cardiac transplantation, as the post-transplant immune suppression therapy would put her at risk for recurrence of her malignancy. We placed her on a short-term ventricular assist device as a bridge to ultimately placing her on a long-term ventricular assist device versus continuing medical therapy. Her left ventricular ejection fraction improved to 55% 24 days after ventricular assist device insertion. She was separated from the ventricular assist device 26 days after its insertion. She was discharged home 29 days later and is now 28 months after ventricular assist device implantation with stable ventricular function, as documented by a left ventricular ejection fraction of 55%, and normal end organ function. This case is one of the only reports known describing successful use of a short-term ventricular assist device as a bridge to recovery in a child with severe acute anthracycline-induced cardiotoxicity. PMID- 29198225 TI - A pilot study exploring staff acceptability of a socially assistive robot in a residential care facility that accommodates people under 65 years old. AB - ABSTRACTSocially assistive robots have successfully been trialed in residential care facilities (RCFs) for older adults. These robots may have potential for younger adults (i.e. under 65 years old) who also live in RCFs. However, it is important to investigate staff acceptability and ease-of-use of these robots. This pilot study used the Technology Acceptance Model to investigate how staff working in a specialized RCF for younger adults accept Betty, a socially assistive robot who was introduced in the facility for 12 weeks. Twenty-four staff completed pre-questionnaires, reporting that they thought Betty would have the ability to engage and entertain the residents they cared for. While there were only eight staff who completed the post-questionnaires, there were significant improvements compared to the pre-questionnaire results in areas such as residents enjoying the contact and activities. Impacting on ease-of use were technical difficulties. Although this study had limitations and could be improved by a better response rate and investigating the residents' acceptability of Betty, this study is one of the first to report that this novel technology may have much potential for engaging adults in RCFs. PMID- 29198226 TI - Environmental impacts of precision feeding programs applied in pig production. AB - This study was undertaken to evaluate the effect that switching from conventional to precision feeding systems during the growing-finishing phase would have on the potential environmental impact of Brazilian pig production. Standard life-cycle assessment procedures were used, with a cradle-to-farm gate boundary. The inputs and outputs of each interface of the life cycle (production of feed ingredients, processing in the feed industry, transportation and animal rearing) were organized in a model. Grain production was independently characterized in the Central-West and South regions of Brazil, whereas the pigs were raised in the South region. Three feeding programs were applied for growing-finishing pigs: conventional phase feeding by group (CON); precision daily feeding by group (PFG) (whole herd fed the same daily adjusted diet); and precision daily feeding by individual (PFI) (diets adjusted daily to match individual nutrient requirements). Raising pigs (1 t pig BW at farm gate) in South Brazil under the CON feeding program using grain cultivated in the same region led to emissions of 1840 kg of CO2-eq, 13.1 kg of PO4-eq and 32.2 kg of SO2-eq. Simulations using grain from the Central-West region showed a greater climate change impact. Compared with the previous scenario, a 17% increase in climate change impact was found when simulating with soybeans produced in Central-West Brazil, whereas a 28% increase was observed when simulating with corn and soybeans from Central West Brazil. Compared with the CON feeding program, the PFG and PFI programs reduced the potential environmental impact. Applying the PFG program mitigated the potential climate change impact and eutrophication by up to 4%, and acidification impact by up to 3% compared with the CON program. Making a further adjustment by feeding pigs according to their individual nutrient requirements mitigated the potential climate change impact by up to 6% and the potential eutrophication and acidification impact by up to 5% compared with the CON program. The greatest environmental gains associated with the adoption of precision feeding were observed when the diet combined soybeans from Central-West Brazil with corn produced in Southern Brazil. The results clearly show that precision feeding is an effective approach for improving the environmental sustainability of Brazilian pig production. PMID- 29198227 TI - Medical students' attitudes towards participating in a palliative medicine course: A new specialty in Israel. AB - BACKGROUND: Palliative medicine is a growing field in Israel, and its training program is still in process. The current study aimed to evaluate students' attitudes regarding a course in palliative care established in a division of oncology. METHOD: Some 45 medical students in their 5th to 6th years participated in a one-week course on palliative care. At the end of each training week, students were asked to complete a questionnaire, evaluating their attitudes regarding different aspects of the program content, such as its importance and relevance to their training as physicians, as well as the contribution of specific parts of the program to their knowledge regarding palliative care. RESULTS: The overall satisfaction of the 45 students was high. The most contributory parts of the course were the multidisciplinary team and the complementary and alternative medicine. Participating in the staff meetings and accompanying physicians in their daily work were scored as the least contributory parts.Significance of resultsThis preliminary study demonstrated students' overall high satisfaction with the newly established palliative care course and their need for more practical skills. Future studies should investigate and evaluate educational programs in palliative care in order to establish suitable training for medical students. PMID- 29198228 TI - Psychometric Properties of the Condom Use Barriers Scale for Adolescents. AB - Inconsistent condom use in young people is related to the perceived barriers to their use. The psychometric properties and factor structure of the new Condom Use Barriers Scale for Adolescents (CUBS-A) are analyzed. Concurrent validity was assessed by the Attitude towards condom use subscale of the validated HIV-AS test and the percentage of condom use variable. A total of 629 Spanish adolescents whose mean age was 15.17 (SD = 1.09; 51.5% boys) participated. Exploratory factor analysis supported a 15-item instrument with four factors: negotiation skills, perceived feelings, negative aspects of condoms, and disruption of the sexual experience, which explained 41.89% of the total variance (KMO = .84; chi2 = 1071.93; p < .001). The results show high internal consistency (alpha = .86) and a good fit of the data to the model (NNFI = .93; CFI = .95; IFI = .95; RMSEA = .04). Its total score and most of its factors show acceptable correlation with the percentage of condom use, values that support the criterial validity (p <= .05). Gender differences were found in most subscales (p <= .001). The CUBS-A is a valid and reliable new instrument for assessing perceived barriers in adolescents for using condoms to protect themselves during sexual intercourse. PMID- 29198229 TI - Improvement of Self-regulated Learning in Mathematics through a Hypermedia Application: Differences based on Academic Performance and Previous Knowledge. AB - Self-regulation on behalf of the student is crucial in learning Mathematics through hypermedia applications and is an even greater challenge in these IT environments. Two aims are formulated. First, to analyze the effectiveness of a hypermedia tool in improving perceived knowledge of self-regulatory strategies and the perceived usage of the planning, executing and assessment strategy on behalf of students with low, medium and high levels of academic performance. Second, to analyze the effectiveness of the hypermedia tool in improving perceived usage of the strategy for planning, monitoring and evaluating on behalf of students with a perceived knowledge (low, medium and high). Participants were 624 students (aged 10-13), classified into a treatment group (TG; 391) and a comparative group (CG; 233). They completed a questionnaire on perceived knowledge (Perceived Knowledge of Self-Regulatory Strategies) and another one on perceived usage of the strategy for planning, performing and evaluating (Inventory of Self-regulatory Learning Processes). Univariate covariance analyses (ANCOVAs) and Student-t tests were used. ANCOVA results were not statistically significant. However, the linear contrast indicated a significant improvement in perceived knowledge of strategies among the TG with low, medium and high academic performance (p <= .001). Results are discussed in the light of past and future research. PMID- 29198230 TI - A Reliability Generalization Meta-Analysis of the Padua Inventory of Obsessions and Compulsions. AB - The Padua Inventory (PI) of obsessions and compulsions is one of the most usually applied tests to assess obsessive-compulsive symptomatology in research contexts as well as for clinical and screening purposes. A reliability generalization meta analysis was accomplished to estimate the average reliability of the PI scores and to search for characteristics of the samples and studies that can explain the variability among reliability estimates. An exhaustive literature search enabled us to select 39 studies (53 independent samples) that reported alpha and/or test retest coefficients with the data at hand for the PI total score and subscales. An excellent average coefficient alpha was found for the PI total score (M = .935; 95%CI = .922-.949) and for Impaired Mental Control subscale (M = .911; 95%CI = .897-.924), being good for Contamination (M = .861; 95%CI = .841-.882) and Checking (M = .880; 95%CI = .856-.903), and fair for Urges and Worries (M = .783; 95%CI = .745-.822). The average test-retest reliability for PI total score was also satisfactory (M = .835; 95%CI = .782-.877). Moderator analyses showed larger coefficients alpha for larger standard deviation of the PI total scores (p = .0005; R 2 = .46), for adapted versions of the test (p = .002; R 2 = .32), and for samples composed of clinical participants (p = .066; R 2 = .10). The practical implications of these results are discussed as well as the need for researchers to report reliability estimates with the data at hand. PMID- 29198231 TI - Effects of dietary calcium and phosphorus deficiency and subsequent recovery on broiler chicken growth performance and bone characteristics. AB - The ability of birds to modify dietary phosphorus utilisation when fed with low phosphorus and calcium (Ca) diets was studied using different sequences of dietary phosphorus and Ca restriction (depletion) and recovery (repletion) during the grower and the finisher phases. A total of 3600 Ross 708 broilers were randomly divided into 10 replicate pens per treatment (60 per pen, six pens per block). Chicks were fed a common starter diet from days 0 to 10, then a grower control diet (C: 0.90% Ca, 0.39% non-phytate phosphorus, nPP), mid-level diet (M: 0.71% Ca, 0.35% nPP) or low Ca and nPP diet (L: 0.60% Ca, 0.30% nPP) from days 11 to 21, followed by a finisher diet C, M or L containing, respectively, 0.85%, 0.57% or 0.48% Ca and 0.35%, 0.29% or 0.24% nPP from days 22 to 37. Six treatment sequences were tested: CC, MM, LL, ML, LC and LM. Bone mineral content by dual energy X-ray, tibia ash, toe ash weight and tibia breaking strength were measured on days 21 and 37. No significant effect was observed on growth performance throughout the experiment. Diet L reduced bone mineral content, breaking strength, tibia and toe ash by 9%, 13%, 11% and 10%, respectively, on day 21 (compared with diet C, for linear effect, P<0.05). On day 37, bone mineral content, breaking strength, tibia and toe ash remained lower compared with control values (CC v. MM v. LL, P<0.05 for linear and quadratic effects). Mineral depletion duration (ML v. LL) did not affect bone mineral status. Replenishing with the C diet during the finisher phase (LC) restored bone mineral content, tibia ash and toe ash weight better than the M diet did, but not to control levels (CC v. LC v. LM, for linear effect, P<0.05). These results confirm that dietary Ca and nPP may be reduced in the grower phase without affecting final growth performance or breaking strength as long as the finisher diet contains sufficient Ca and nPP. The practical applications of this strategy require further study in order to optimise the depletion and repletion steps. PMID- 29198232 TI - Adolescents' Daily Perception of Internalizing Emotional States by Means of Smartphone-based Ecological Momentary Assessment. AB - This study uses ecological momentary assessment (EMA) with smartphone devices to examine community adolescents' perceptions regarding both the intensity of and variability in their daily sadness/depression, anxiety, and somatic problems over the period of one week. Participants were 90 high-school students (M age = 14.61, SD = 1.64; range 12-18). The sample was divided according to gender (61.1% girls), migratory status (68.5% Spanish nationals and 31.5% Latin American immigrants), and level of psychological symptoms (17% risk group). Sadness/depression, anxiety, and somatic problems were examined using a smartphone app, five times per day, semi-randomly, for seven days (35 possible moments). A high proportion of adolescents did not report feelings of sadness (80.0%) or worry (79.3%) or physical symptoms on a daily basis (84.9%). Girls and the risk group reported greater intensity levels for the three analyzed problems than did boys and the normal group, respectively (p .05 in all cases). Day-to-day fluctuations in mood during the week were statistically significant but not meaningful (b = 0.0004, 95% CI [0.0001, 0.0008], p = .001). PMID- 29198233 TI - Subarachnoid haemorrhage from undiagnosed mycotic aortic aneurysm in a child. AB - We report a case of subarachnoid haemorrhage resulting from a mycotic aortic aneurysm in a child with CHD. The patient previously underwent operations for CHD and had a subarachnoid haemorrhage of unknown cause before the scheduled re operation. During the re-operation, a sealed rupture of an undiagnosed mycotic ascending aortic aneurysm was identified, and the causative organism was later identified as Streptococcus. A postoperative MRI indicated a partially thrombosed cerebral aneurysm. This case demonstrates that a mycotic aortic aneurysm can be a cause of intracranial haemorrhage in children. PMID- 29198234 TI - Cajal, Psychologist of Science. AB - This paper presents abundant empirical evidence to support the view that Santiago Ramon y Cajal was a pioneer of the emerging Psychology of Science discipline. Narrative analysis of his autobiography (Recollections of my Life) and some of his unspecialized works (Advice for a Young Investigator, The World from an Eighty-Year-Old's Point of View, and Cafe Chats) revealed that the Spanish histologist's interest in the psychology of scientists was part and parcel of a high-level, intellectual self-regulation strategy he applied on his path to success. This research led him to document various psychological conclusions about scientists in writing, so as to encourage, guide, and facilitate the work of junior researchers. Current knowledge of the Psychology of Science has confirmed many of the Nobel laureate's observations about psychosocial aspects of scientists, scientific reasoning, and creativity. PMID- 29198235 TI - Ultrasonographic measurements of localized fat accumulation in Shetland pony mares fed a normal v. a high energy diet for 2 years. AB - Health risks associated with obesity are more likely a factor of the localization of fat excess, rather than of elevated BW per se. The aim of this randomized controlled clinical trial was to determine the effect of a long-term high energy diet on BW, fat accumulation and localization. Eight Shetland pony mares, 3 to 7 years old, were randomly divided into a control and a high energy (HE) diet group fed either maintenance or double maintenance energy requirements (200% net energy (NE)) for two consecutive summers, with a low energy diet in the winter in between. Body condition score (BCS) did not differ between the groups at the onset of the study (control 5.6+/-0.75 v. HE 6.3+/-0.5). From 12 weeks after starting the diet, ultrasonography of five different locations (retroperitoneal, axillary, withers, intercostal and rump) for adipose deposition, BCS and BW were measured monthly during the period that ponies received different diets. Statistical analysis was performed using a linear mixed-effects model with post hoc Bonferroni testing. P values <0.05 were considered significant. At week 12 after the onset of the diet, fat thickness in the HE group was significantly greater than in the control group. During the monitoring period, the HE group showed a significant increase in mean (+/-SE) BW (+52%, 265+/-13.94kg) and BCS (+70%; to 9.0+/-0.4), while the control group was unchanged (BW 160+/-13.98 kg; BCS 3.8+/-0.4). At all locations, the fat depth in the HE group increased significantly, with the highest increase noted for retroperitoneal deposits. The conclusions were that a 200% NE diet induced subcutaneous and retroperitoneal fat accumulation, with the greatest increase in intra-abdominal deposits. The moderate increase of the subcutaneous fat depth followed by a plateau phase suggests the existence of a limit of adipose tissue expandability, as in man. PMID- 29198236 TI - Acetate alters the process of lipid metabolism in rabbits. AB - An experiment was conducted to investigate the effect of acetate treatment on lipid metabolism in rabbits. New Zealand Rabbits (30 days, n=80) randomly received a subcutaneous injection (2 ml/injection) of 0, 0.5, 1.0 or 2.0 g/kg per day body mass acetate (dissolved in saline) for 4 days. Our results showed that acetate induced a dose-dependent decrease in shoulder adipose (P0.05), acetate treatment significantly decreased the plasma adiponectin, insulin and triglyceride concentrations (P<0.05). In adipose, acetate injection significantly up-regulated the gene expression of peroxisome proliferator-activated receptor gamma (PPARgamma), CCAAT/enhancer-binding protein alpha (C/EBPalpha), differentiation-dependent factor 1 (ADD1), adipocyte protein 2 (aP2), carnitine palmitoyltransferase 1 (CPT1), CPT2, hormone-sensitive lipase (HSL), G protein coupled receptor (GPR41), GPR43, adenosine monophosphate-activated protein kinase alpha1 (AMPKalpha1), adiponectin receptor (AdipoR1), AdipoR2 and leptin receptor. In addition, acetate treatment significantly increased the protein levels of phosphorylated AMPKalpha, extracellular signaling-regulated kinases 1 and 2 (ERK1/2), p38 mitogen-activated protein kinase (P38 MAPK) and c-jun amino terminal kinase (JNK). In conclusion, acetate up-regulated the adipocyte-specific transcription factors (PPARgamma, C/EBPalpha, aP2 and ADD1), which were associated with the activated GPR41/43 and MAPKs signaling. Meanwhile, acetate decreased fat content via the upregulation of the steatolysis-related factors (HSL, CPT1 and CPT2), and AMPK signaling may be involved in the process. PMID- 29198237 TI - Risk correlates for physical-mental multimorbidities in South Africa: a cross sectional study. AB - AIMS: The aim of this study was to identify the risk correlates for coexisting common mental disorders (CMDs) in the chronic care population in South Africa, with the view to identifying particularly vulnerable patient populations. METHODS: The sample comprised 2549 chronic care patients enrolled in the baseline and endline rounds of a facility detection survey conducted by the Programme for Improving Mental Health Care in three large facilities in the Dr Kenneth Kaunda district in the North West province of South Africa. Participants were screened for depression using the Patient Health Questionnaire (PHQ9) and for alcohol misuse using the Alcohol Use Disorders Identification Test (AUDIT). Data were analysed according to the number of morbidities, disorder type (physical or mental) and demographic variables. Multimorbidity was defined as the presence of two or more disorders (physical and/or mental). RESULTS: Just over one-third of the sample reported two or more physical conditions. Women were more at risk of being depressed than were men, with men more at risk of alcohol misuse. Those who were employed were at lower risk of having coexisting CMDs, while being younger, HIV positive, and food deprived were all found to be associated with higher risk for having coexisting CMDs. CONCLUSION: In the face of the large treatment gap for CMDs in South Africa, and the role that coexisting CMDs can play in exacerbating the burden of chronic physical diseases, mental health screening and treatment interventions should target HIV-positive, younger patients living in circumstances where there is household food insecurity. PMID- 29198238 TI - The effect of adverse intrauterine conditions, early childhood growth and famine exposure on age at menopause: a systematic review. AB - When the follicle reserve, which is developed solely during the fetal period, is depleted, women enter menopause. Intrauterine and childhood adverse conditions might affect the ovarian capacity by influencing follicle production in the first trimester, limiting the initial follicle pool or mediate an accelerated follicular loss thereafter. To investigate if adverse early life influences result in younger age at menopause, the following online databases were systematically searched: PubMed, EMBASE, CINHAL (EBSCO) and Cochrane library (Wiley) up to 1 January 2017. Eligibility, data extraction and quality assessment was independently performed by two researchers. A total of 5278 studies were identified, 11 studies were deemed eligible and included. Nine were cohort studies, 1 case-control study and 1 twin study. Due to the diversity of reported data and risk estimates we were unable to pool data or perform meta-analysis on pooled data. Prenatal and childhood exposure to famine was significantly associated to an earlier age at menopause in three studies. Mean differences in age at menopause varied from 4 months up to 1.7 years between famine exposed and unexposed women. Three studies described a significant association between a low weight at ages 1 or 2 and a younger age at menopause. A younger age at menopause was associated with a higher weight at birth in only one study and with a high ponderal index, a measure for fatness at birth in another study. None of the nine studies reporting on low birth weight and age at natural menopause find a significant association. PMID- 29198239 TI - Medical Response to the Tianjin Explosions: Lessons Learned. AB - BACKGROUND: On August 12, 2015, a hazardous chemical explosion occurred in the Tianjin Port of China. The explosions resulted in 165 deaths, 8 missing people, injuries to thousands of people. We present the responses of emergency medical services and hospitals to the explosions and summarize the lessons that can be learned. METHODS: This study was a retrospective analysis of the responses of emergency medical services and hospitals to the Tianjin explosions. Data on injuries, outcomes, and patient flow were obtained from the government and the hospitals. RESULTS: A total of 46 ambulances and 143 prehospital care professionals were dispatched to the scene, and 198 wounded were transferred to hospitals by ambulance. More than 4000 wounded casualties surged into hospitals, and 798 wounded were admitted. Both emergency medical services and hospitals were quick and successful in the early stage of the explosions. The strategy of 4 centralizations (4Cs) for medical services management in a mass casualty event was successfully applied. CONCLUSIONS: The risk of accidental events has increased in recent years. We should take advantage of the lessons learned from the explosions and apply these in future disasters. (Disaster Med Public Health Preparedness. 2018; 12: 411-414). PMID- 29198240 TI - Aligning the ICD-11 classification of disorders due to substance use with global service needs. AB - The use of psychoactive, potentially dependence-producing substances is highly prevalent around the world, and contributes substantially to global disease burden. There is a major gap between the need for treatment for substance use disorders. Changes proposed for the classification of substance use disorders in the Eleventh Revision of the International Classification of Diseases and Related Health Problems, based on a public health approach, have important implications for the conceptualisation, structure and availability of services. These include: (1) an updated and expanded range of substance classes; (2) greater specification of different harmful patterns of substance use, which may be continuous or episodic and recurrent; (3) a new category to denote single episodes of harmful use; (4) a category describing hazardous use of substances; and (5) simplification of diagnostic guidelines for substance dependence. This paper describes these changes and the opportunities they present for improved prevention, treatment, monitoring and health policy. PMID- 29198241 TI - A parallel universe where psychiatry is like the rest of medicine. PMID- 29198242 TI - Effect of oral progesterone and caffeine at the end of gestation on farrowing duration and piglet growth and survival. AB - The profitability of pig production is constrained by high incidences of peri parturient and pre-weaning piglet mortality. Supplementing sows with either progesterone or caffeine during the last week of gestation can reduce stillbirths and improve piglet performance. However, the consequences of combining these two substances has not been investigated. The aim of the current study was to determine the effect of oral supplementation of sows with progesterone (regumate) and caffeine at the end of gestation on the timing and progression of farrowing, as well as piglet survival and growth to weaning. From days 111 to 113 of gestation, 20 Large White pregnant sows (parity 3.0+/-0.45) received 5 ml of Regumate Porcine (0.4 w/v oral solution; MSD Animal Health) daily on top of their morning ration. Sows were stratified according to parity and predicted farrowing date, and allocated at random to receive a diet supplemented with either 0 g caffeine/kg diet (CONT) or 2.4 g of caffeine/kg diet (CAFF) from day 113 of gestation until parturition (n=10 sows/treatment). Treatment did not affect total litter size; however, CONT sows gave birth to more live and fewer dead piglets compared with CAFF sows; 14.5+/-0.73 v. 11.7+/-1.03 and 0.7+/-0.20 v. 3.2+/-0.77; P<0.05). Mean, minimum and maximum piglet birthweight were unaffected by treatment. Compared with the control, caffeine increased the proportion of piglets with a birthweight <1 kg (0.16+/-0.05 v. 0.05+/-0.02; P=0.072) and decreased the proportion of live born piglets surviving to day 5 postpartum (0.77+/-0.06 v. 0.90+/-0.02; P<0.05) and to weaning (0.74+/-0.06 v. 0.90+/-0.02; P<0.05). Overall, the current data provided the first evidence that caffeine supplementation of sows receiving progesterone to prevent premature farrowing impaired piglet survival during, and shortly after parturition. This negative outcome may be linked to extended farrowing durations and an increase in the proportion of very light piglets at birth. These data provide compelling, albeit preliminary, evidence that caffeine and progesterone should not be used together at the end of gestation. PMID- 29198243 TI - Maternal grazing on stubble and Mediterranean shrubland improves meat lipid profile in light lambs fed on concentrates. AB - Concentrates-fed lamb meat is often associated with an unfavourable lipid profile (high levels of saturated and/or n-6 polyunsaturated fatty acids; SFA and PUFA). For this reason, Spanish sheep producers from Mediterranean areas are turning to traditional grazing by ewes to obtain healthier lamb meat. The objective of this research was to determine the effects of maternal grazing on the fatty acid (FA) composition of weaned lamb meat. The ewes (Segurena breed) were allocated to two different rearing systems during pregnancy (5 months) and lactation (45 days): (i) feeding indoors on barley grain and lucerne pellets; (ii) grazing on cereal stubble, fallow land and seasonal pastures consisting of Mediterranean shrubs, herbs and trees. Two groups of 20 autumn and spring lambs were sampled. The lambs were weaned at 13.1+/-0.9 kg and 45.0+/-4.1 days age and fed on grain-based concentrates until they reached 24.8+/-2.1 kg live weight (light lambs slaughtered at 98.3+/-3.6 days of age). The FA content was determined in the intramuscular loin fat by gas chromatography using a flame ionization detector. The ewe diet did not affect the levels of the main lamb FAs (C18:1c+t, C16:0 and C18:2c), and so did not provide any additional reduction in fat saturation. Saturated fatty acids represented around 40% of total FAs determined in the meat. Ewe grazing acted as an n-3 PUFA-promoting diet, providing a lamb meat with a lower n-6/n-3 ratio. Spring lamb meat had higher proportions of n-3 PUFA (C18:3n 3, C20:5, C22:5 and C22:6) and conjugated linoleic acid (C18:2c9t11+c11t9) to the detriment of the n-6 PUFAs (C20:4, C20:2 and C22:4), while autumn lamb meat also had higher levels of C18:3n-3 and C18:3n-6, and lower level of C20:4, which points to little seasonal differences. The n-6/n-3 ratio achieved by ewe grazing fell from 8.2 to 4.1 (Spring) and from 7.6 to 5.5 (Autumn), values which are close to those recommended in human diet for good cardiovascular health. These n 6/n-3 reductions were associated with lower levels of total PUFA and C20:4n-6. Our research concluded that grazing on stubble and Mediterranean shrubland by ewes, a sustainable rearing practice involving local agro resources, contributed to obtaining weaned lamb meat with a more favourable lipid profile and so can be recommended to sheep farmers. PMID- 29198245 TI - Monophyly of the species of Hepatozoon (Adeleorina: Hepatozoidae) parasitizing (African) anurans, with the description of three new species from hyperoliid frogs in South Africa. AB - Haemogregarines (Apicomplexa: Adeleiorina) are a diverse group of haemoparasites reported from almost all vertebrate classes. The most commonly recorded haemogregarines to parasitize anurans are species of Hepatozoon Miller, 1908. To date 16 Hepatozoon species have been described from anurans in Africa, with only a single species, Hepatozoon hyperolli (Hoare, 1932), infecting a member of the Hyperoliidae. Furthermore, only two Hepatozoon species are known from South African anurans, namely Hepatozoon theileri (Laveran, 1905) and Hepatozoon ixoxo Netherlands, Cook and Smit, 2014, from Amietia delalandii (syn. Amietia quecketti) and three Sclerophrys species, respectively. Blood samples were collected from a total of 225 individuals representing nine hyperoliid species from several localities throughout northern KwaZulu-Natal, South Africa. Twenty frogs from three species were found positive for haemogregarines, namely Afrixalus fornasinii (6/14), Hyperolius argus (2/39), and Hyperolius marmoratus (12/74). Based on morphological characteristics, morphometrics and molecular findings three new haemogregarine species, Hepatozoon involucrum Netherlands, Cook and Smit n. sp., Hepatozoon tenuis Netherlands, Cook and Smit n. sp. and Hepatozoon thori Netherlands, Cook and Smit n. sp., are described from hyperoliid hosts. Furthermore, molecular analyses show anuran Hepatozoon species to be a separate monophyletic group, with species isolated from African hosts forming a monophyletic clade within this cluster. PMID- 29198246 TI - Neurocognitive dysfunctioning and the impact of comorbid depression and anxiety in patients with somatic symptom and related disorders: a cross-sectional clinical study. AB - BACKGROUND: The prevalence and severity of neurocognitive dysfunctioning of patients with somatic symptom and related disorders (SSRD) is unknown. Furthermore, the influence of comorbid depression and anxiety has not been evaluated. This study examines neurocognitive dysfunctioning of patients with SSRD and explores if comorbid depression and anxiety is associated with specific neurocognitive dysfunctioning. METHODS: Cross-sectional study with consecutive patients suffering from SSRD visiting an outpatient specialty mental health care Centre of Excellence for SSRD. Extensive neuropsychological assessment and assessment of depression and anxiety symptom levels using the Patient-Health Questionnaire-9 and General Anxiety Disorder questionnaire-7 were performed at intake. Multivariate analysis was performed. RESULTS: The study sample consisted of 201 SSRD patients, with a mean age of 43 years (Standard deviation = 13) years; 37.8% were male. Neurocognitive dysfunction in the domains information processing speed, sustained and divided attention, working memory, verbal and visual memory were reported, compared with normative data. Comorbid depression and anxiety occurred frequently within the sample (75.1% and 65.7%, respectively). Neurocognitive dysfunctioning was worse in patients suffering from comorbid depression [multivariate F (7,161) = 2.839, p = 0.008] but not in patients with comorbid anxiety. CONCLUSIONS: Poor neurocognitive performance of patients with SSRD is common and worsens in case of comorbid depression. This may explain treatment dropout of patients with SSRD from neurocognitive behavioral therapy. Research on novel interventions is needed targeting neurocognitive functioning of patients with SSRD, particularly those with comorbid depression. PMID- 29198244 TI - Depressive and anxiety symptoms and cortical amyloid deposition among cognitively normal elderly persons: the Mayo Clinic Study of Aging. AB - BACKGROUND: Little is known about the association of cortical Abeta with depression and anxiety among cognitively normal (CN) elderly persons. METHODS: We conducted a cross-sectional study derived from the population-based Mayo Clinic Study of Aging in Olmsted County, Minnesota; involving CN persons aged >= 60 years that underwent PiB-PET scans and completed Beck Depression Inventory-II (BDI-II) and Beck Anxiety Inventory (BAI). Cognitive diagnosis was made by an expert consensus panel. Participants were classified as having abnormal (>=1.4; PiB+) or normal PiB-PET (<1.4; PiB-) using a global cortical to cerebellar ratio. Multi-variable logistic regression analyses were performed to calculate odds ratios (OR) and 95% confidence intervals (95% CI) after adjusting for age and sex. RESULTS: Of 1,038 CN participants (53.1% males), 379 were PiB+. Each one point symptom increase in the BDI (OR = 1.03; 1.00-1.06) and BAI (OR = 1.04; 1.01 1.08) was associated with increased odds of PiB-PET+. The number of participants with BDI > 13 (clinical depression) was greater in the PiB-PET+ than PiB-PET- group but the difference was not significant (OR = 1.42; 0.83-2.43). Similarly, the number of participants with BAI > 10 (clinical anxiety) was greater in the PiB-PET+ than PiB-PET- group but the difference was not significant (OR = 1.77; 0.97-3.22). CONCLUSIONS: As expected, depression and anxiety levels were low in this community-dwelling sample, which likely reduced our statistical power. However, we observed an informative albeit weak association between increased BDI and BAI scores and elevated cortical amyloid deposition. This observation needs to be tested in a longitudinal cohort study. PMID- 29198247 TI - Analysis of Pseudohomophone Orthographic Errors through Functional Magnetic Resonance Imaging (fMRI). AB - The study of orthographic errors in a transparent language such as Spanish is an important topic in relation to writing acquisition because in Spanish it is common to write pseudohomophones as valid words. The main objective of the present study was to explore the possible differences in activation patterns in brain areas while processing pseudohomophone orthographic errors between participants with high (High Spelling Skills (HSS)) and low (Low Spelling Skills (LSS)) spelling orthographic abilities. We hypothesize that (a) the detection of orthographic errors will activate bilateral inferior frontal gyri, and that (b) this effect will be greater in the HSS group. Two groups of 12 Mexican participants, each matched by age, were formed based on their results in a group of spelling-related ad hoc tests: HSS and LSS groups. During the fMRI session, two experimental tasks were applied involving correct and pseudohomophone substitution of Spanish words. First, a spelling recognition task and second a letter searching task. The LSS group showed, as expected, a lower number of correct responses (F(1, 21) = 52.72, p <.001, eta2 = .715) and higher reaction times compared to the HSS group for the spelling task (F(1, 21) = 60.03, p <.001, eta2 = .741). However, this pattern was reversed when the participants were asked to decide on the presence of a vowel in the words, regardless of spelling. The fMRI data showed an engagement of the right inferior frontal gyrus in HSS group during the spelling task. However, temporal, frontal, and subcortical brain regions of the LSS group were activated during the same task. PMID- 29198248 TI - Effects of dark brooders and overhangs on free-range use and behaviour of slow growing broilers. AB - Broiler chickens often make limited use of the free-range area. Range use is influenced by type of shelter available. Range use may possibly be improved by a more gradual transition from the house to the range and by using dark brooders (secluded warm, dark areas in the home pen) that mimic aspects of a broody hen and possibly reduce fearfulness. The aim of this study was to assess effects of dark brooders on fearfulness, free-range use and behaviour later in life. Another aim was to test the chickens' preference for shelter type and the effects of overhangs outside of the pop holes to provide a gradual transition to the range. Three production rounds, each with 440 Sasso broiler chickens (110/group), were completed. Chicks were housed indoors from days 0 to 25; per round, two groups had access to a dark brooder, whereas the other two groups had conventional IR lamps. Fearfulness was assessed by the open field (OF) and tonic immobility (TI) tests on days 22 to 24 on 25 chicks/group per round. Birds were then moved to four mobile houses from which they could access both grassland with artificial shelter (AS) and short rotation coppice (SRC). Two of the houses had overhangs extending from the pop holes; these were switched between the four houses weekly. Free-range use and behaviour were observed three times daily from Monday to Friday. Dark brooders did not affect results from the OF or TI test, except for jumps in the OF test which tended to occur less often in brooded chicks. Neither dark brooders (34.9% without v. 31.7% with brooder) nor overhangs (32.5% without v. 34.1% with overhangs) influenced the percentage of chickens outside. Chickens showed a clear preference for SRC, range use increased over time in SRC, and more birds ranged farther from the house in SRC. Behaviours of chickens observed outside were mainly influenced by shelter type, age of the birds and distance from the house. Locomotion tended to occur more in the presence of overhangs. Overall, these results could not confirm the hypothesis that dark brooders would decrease fearfulness and thereby increase free-range use. Overhangs also did not improve free-range use, and neither brooders nor overhangs had considerable impact on behaviour of chickens outside. Chickens clearly preferred dense natural vegetation over AS and ranged farther in it, indicating that this type of shelter is more suitable for slow-growing free-range broilers. PMID- 29198249 TI - The Closing-In Phenomenon in an Ecological Walking Task. AB - OBJECTIVES: Alzheimer's disease (AD) patients may show the Closing-in (CI), a tendency to reproduce figures close to or superimposed on the model. AD patients with CI might manifest reduced functional independence compared to AD patients without CI, but no study directly assessed if CI can hamper common daily living activities. To address this issue here we investigated whether AD patients with CI veer their walking trajectory toward irrelevant objects more often than AD patients without CI. METHODS: Fifty AD individuals, and 20 age- and education matched healthy adults, underwent a graphic copying task to detect CI and a newly developed walking task to assess the tendency to veer toward irrelevant objects and to bump into them. All participants also completed a comprehensive neuropsychological battery to assess dementia severity; impairments in frontal/executive, visuo-spatial, visuo-constructional, and memory domains; and functional independence in daily living activities. RESULTS: Graphic CI occurred in 34/50 (68%) AD patients (AD-CI group) who achieved significantly lower scores on frontal/executive abilities, and daily living functioning than AD individuals not showing CI. Most AD-CI patients (20/34; 58.8%) also showed at least one veering error in the walking task. Participants with CI and veering errors showed significantly poorer performance on Stroop test, and lower level of functional independence than AD individuals with CI in isolation. CONCLUSIONS: CI on graphic tasks can identify difficulties in walking and in complying with everyday activities in AD patients. These observations demonstrate the value of assessing CI in copying tasks. (JINS, 2018, 24, 437-444). PMID- 29198250 TI - Cornicle secretions by Aphis fabae (Hemiptera: Aphididae) result in age-dependent costs and improved host suitability for Lysiphlebus fabarum (Marshall) (Hymenoptera: Braconidae). AB - We examined the life history consequences of cornicle secretion by Aphis fabae Scopoli in second and fourth instars, and its effects on host suitability for its parasitoid, Lysiphlebus fabarum (Marshall). Cornicle secretion did not affect aphid fecundity, but secretion in the second instar enhanced life table parameters, whereas secretion in the fourth instar affected them negatively, suggesting a higher cost of secretion in later instars. Secretion in either instar improved host suitability for L. fabarum. Although control and treated aphids were parasitized at similar rates, and with similar success, wasps developed faster and emerged as larger adults in aphids that had secreted, regardless of instar. Transgenerational effects were also evident. Progeny emergence was higher when parental wasps developed in fourth instars than in seconds, whether aphids secreted or not, and progeny were larger when parental hosts secreted in the second instar, but not in the fourth. Secreting fourth instars were preferred to controls by L. fabarum females in choice tests, but not secreting second instars, and fourth-instar secretion improved wasp emergence. When control aphids were attacked, second instars were more likely to secrete than fourth instars, whereas the latter were more likely to kick the parasitoid. Cornicle secretion reduced the probability of subsequent secretion events and the frequency of other aphid defensive behaviors, indicating energetic tradeoffs among defensive tactics. Overall, our results revealed that cornicle secretion by immature A. fabae exacts both physiological and behavioral costs and results in improved host suitability for its parasitoid. PMID- 29198251 TI - The Empathic Process and Misconceptions that Lead to Burnout in Healthcare Professionals. AB - Empathy has been identified as a relevant variable in order to predict burnout in healthcare professionals. In addition, assertiveness and self-esteem have been considered relevant variables to develop empathic capacity. In the other hand, misconceptions surrounding empathy constitute a risk factor for burnout. Two adult samples (N = 252 and N = 275) were used to explore and confirm the underlying structure of two questionnaires. The Exercise of Process of Empathy (EPE) scale (18 items) confirmatory factor analysis including 5 dimensions (cognitive and emotional comprehension, attention, clarity and assertiveness), showed reasonable goodness- of-fit indices chi2(130) = 269.63, p < .001; RMSEA = .069 90% CI [0.058 - 0.079]; CFI = .965; TLI = .959. Alpha coefficient resulted .848. Common Misconceptions (EH) of empathy scale (16 items) confirmatory factor analysis, including 3 dimensions (feeling, confluence and character misconceptions) also obtained reasonable goodness-of-fit indices chi 2 (101) = 250.59, p < .001; RMSEA = .075 90% CI [0.063 - 0.087]; CFI = .952; TLI = .943. Alpha coefficient for Character resulted .727 (5 items), for Confluence .764 (5 items) and for Feeling .822 (6 items). The SEM model's R 2 resulted .303, being EH (misconceptions) a risk factor (b* = .171), EPE (empathy process) a protection factor (b* = -.183). The model partially explains how misconceptions empathy process and self-esteem (b* = -.334) relate to burnout syndrome in healthcare professionals; what is more, it heralds a potential means to prevent it. PMID- 29198253 TI - Resolution of severe psychogenic dysphagia with ECT in an elderly patient. AB - ABSTRACTIn this report we describe an 82-year female with a longstanding anxiety disorder who developed severe psychogenic dysphagia, leading to hospitalization due to failure to thrive. We describe for the first time the use of electroconvulsive therapy (ECT) to successfully manage a patient with pharmacological treatment resistant psychogenic dysphagia. PMID- 29198252 TI - Prevalence and correlates of subjective memory complaints in Vietnamese adults. AB - : ABSTRACTBackground:Low- and middle-income countries such as Vietnam are home to a majority of the world's population with dementia, yet little is known regarding how individuals in these countries perceive memory problems that might be indicative of cognitive impairment. This study examined the prevalence and correlates of subjective memory complaints (SMCs) in Vietnamese adults in Da Nang, Vietnam. METHODS: A stratified sample of 600 adults (aged >= 55 years) living in Da Nang, Vietnam, and surrounding areas were recruited to participate in a cross-sectional study. Students and faculty from the National Technical Medical College Number 2 administered questionnaires in participants' homes regarding socio-demographic characteristics, functional health, social support, cognitive and mental health, and SMCs. Descriptive and stepwise regression analyses examined the prevalence and correlates of SMCs. RESULTS: Approximately 64% of the sample reported at least poor memory and 39% said that memory interfered with their daily life at least somewhat. Multivariate regression analyses (adjusted for all covariates) showed that depressive symptoms, cognitive impairment, self-rated health and pain, and material hardship were associated with SMCs. CONCLUSIONS: Prevalence of SMCs as well as depressive symptoms was high in this Vietnamese population. Although future research using more detailed measures of subjective memory and which include longitudinal data are required, the need for physicians to routinely assess Vietnamese patients for depression, SMCs, and cognitive impairment may be warranted. PMID- 29198254 TI - Predisposing, enabling, and need factors of service utilization in the elderly with mental health problems. AB - : ABSTRACTBackground:Empirical data on the use of services due to mental health problems in older adults in Europe is lacking. The objective of this study is to identify factors associated with service utilization in the elderly. METHODS: As part of the MentDis_ICF65+ study, N = 3,142 people aged 65-84 living in the community in six European and associated countries were interviewed. Based on Andersen's behavioral model predisposing, enabling, and need factors were analyzed with logistic regression analyses. RESULTS: Overall, 7% of elderly and 11% of those with a mental disorder had used a service due to mental health problems in the last 12 months. Factors significantly associated with underuse were male sex, lower education, living in the London catchment area, higher functional impairment and more comorbid mental disorders. The most frequently reported barrier to service use was personal beliefs, e.g. "I can deal with my problem on my own" (90%). CONCLUSION: Underutilization of mental health services among older people in the European community is common and interventions are needed to achieve an adequate use of services. PMID- 29198255 TI - Pediatric Cardiac Intensive Care Society Statement: caring for children with critical cardiac disease across the globe. PMID- 29198256 TI - The global burden of paediatric heart disease. AB - An estimated 15 million children die or are crippled annually by treatable or preventable heart disease in low- and middle-income countries. Global efforts to reduce under-5 mortality have focused on reducing death from communicable diseases in low- and middle-income countries with little to no attention focusing on paediatric CHD and acquired heart disease. Lack of awareness of CHD and acquired heart disease, access to care, poor healthcare infrastructure, competing health priorities, and a critical shortage of specialists are important reasons why paediatric heart disease has not been addressed in low resourced settings. Non-governmental organisations have taken the lead to address these challenges. This review describes the global burden of paediatric heart disease and strategies to improve the quality of care for paediatric heart disease. These strategies would improve outcomes for children with heart disease. PMID- 29198257 TI - Global perspective on training and staffing for paediatric cardiac critical care. AB - This manuscript provides a global perspective on physician and nursing education and training in paediatric cardiac critical care, including available resources and delivery of care models with representatives from several regions of the world including Africa, Israel, Asia, Australasia, Europe, South America, and the United States of America. PMID- 29198258 TI - Perioperative infections in congenital heart disease. AB - BACKGROUND: Perioperative infections have significant consequences for children with congenital heart disease (CHD), which can manifest as acute or chronic infection followed by poor growth and progressive cardiac failure. The consequences include delayed or higher-risk surgery, and increased postoperative morbidity and mortality. METHODS: A systematic search for studies evaluating the burden and interventions to reduce perioperative infections in children with CHD was undertaken using PubMed. RESULTS: Limited studies conducted in low- to middle income countries demonstrated the large burden of perioperative infections among children with CHD. Most studies focussed on infections after surgery. Few studies evaluated strategies to prevent preoperative infection or the impact of infection on decision-making around the timing of surgery. Children with CHD have multiple risk factors for infections including delayed presentation, inadequate treatment of cardiac failure, and poor nutrition. CONCLUSIONS: The burden of perioperative infections is high among children with CHD, and studies evaluating the effectiveness of interventions to reduce these infections are lacking. As good nutrition, early corrective surgery, and measures to reduce nosocomial infection are likely to play a role, practical steps can be taken to make surgery safer. PMID- 29198259 TI - Management of undernutrition and failure to thrive in children with congenital heart disease in low- and middle-income countries. AB - Poor growth with underweight for age, decreased length/height for age, and underweight-for-height are all relatively common in children with CHD. The underlying causes of this failure to thrive may be multifactorial, including innate growth potential, severity of cardiac disease, increased energy requirements, decreased nutritional intake, malabsorption, and poor utilisation of absorbed nutrition. These factors are particularly common and severe in low- and middle-income countries. Although nutrition should be carefully assessed in all patients, failure of growth is not a contraindication to surgical repair, and patients should receive surgical repair where indicated as soon as possible. Close attention should be paid to nutritional support - primarily enteral feeding, with particular use of breast milk in infancy - in the perioperative period and in the paediatric ICU. This nutritional support requires specific attention and allocation of resources, including appropriately skilled personnel. Thereafter, it is essential to monitor growth and development and to identify causes for failure to catch-up or grow appropriately. PMID- 29198260 TI - Management of late presentation congenital heart disease. AB - In many parts of the world, mostly low- and middle-income countries, timely diagnosis and repair of congenital heart diseases (CHDs) is not feasible for a variety of reasons. In these regions, economic growth has enabled the development of cardiac units that manage patients with CHD presenting later than would be ideal, often after the window for early stabilisation - transposition of the great arteries, coarctation of the aorta - or for lower-risk surgery in infancy - left-to-right shunts or cyanotic conditions. As a result, patients may have suffered organ dysfunction, manifest signs of pulmonary vascular disease, or the sequelae of profound cyanosis and polycythaemia. Late presentation poses unique clinical and ethical challenges in decision making regarding operability or surgical candidacy, surgical strategy, and perioperative intensive care management. PMID- 29198261 TI - Inter-hospital transport of the child with critical cardiac disease. AB - Centralisation of services such as cardiology, cardiac surgery, and intensive care in many parts of the world has resulted in the need to safely transport children with critical cardiac disease from local hospitals to specialist centres for diagnostic, surgical, and/or critical care intervention. The transport of this cohort of children, whether locally or internationally, can present specific clinical and logistical challenges. An international group of clinicians with expertise in cardiac care and critical care transport worked together to summarise current clinical practice relating to key areas of transport. This expert review covers the transport of the child with critical cardiac disease in terms of referral triage and advice, enabling optimal management of locally available resources, clinical stabilisation before transport, international air transport, transport considerations in low- and middle-income countries, and the transport of children with specific cardiac conditions. As specialist services are centralised to fewer large centres, the need for safe and timely inter hospital transport of children with critical cardiac disease is only expected to rise in the future. The key principles outlined in this review will be helpful for practitioners in global settings who are, or might be, involved in transporting children between hospitals. PMID- 29198262 TI - Medical missions for the provision of paediatric cardiac surgery in low- and middle-income countries. AB - This review will outline the role of visiting cardiac surgical teams in low- and middle-income countries drawing on the collective experience of the authors in a wide range of locations. Requests for assistance can emerge from local programmes at a beginner or advanced stage. However, in all circumstances, careful pre-trip planning is necessary in conjunction with clinical and non-clinical local partners. The clinical evaluation, surgical procedures, and postoperative care all serve as a template for collaboration and education between the visiting and local teams in every aspect of care. Education focusses on both common and patient-specific issues. Case selection must appropriately balance the clinical priorities, safety, and educational objectives within the time constraints of trip duration. Considerable communication and practical challenges will present, and clinicians may need to make significant adjustments to their usual practice in order to function effectively in a resource-limited, unfamiliar, and multilingual environment. The effectiveness of visiting trips should be measured and constantly evaluated. Local and visiting teams should use data-driven evaluations of measurable outcomes and critical qualitative evaluation to repeatedly re-assess their interim goals. Progress invariably takes several years to achieve the final goal: an autonomous self-governing, self-financed, cardiac programme capable of providing care for children with complex CHD. This outcome is consistent with redundancy for the visiting trips model at the site, although fraternal, professional, and academic links will invariably remain for many years. PMID- 29198263 TI - Partnership models for the establishment of sustainable paediatric cardiac surgical and cardiac intensive care programmes in low- and middle-income countries. AB - The care of patients with CHD remains a challenge in low- and middle-income countries. Their health systems have not been able to achieve consistently high performance in this field. The large volume of patients, manpower constraints, inconsistencies in the level and type of background training of the teams caring for this patient population, and the inadequate quality control systems are some of the barriers to achieving excellence of care. We describe three different international projects supporting the paediatric cardiac surgical and paediatric cardiac intensive care programmes in Latin America, Asia, and the Caribbean. PMID- 29198265 TI - Review: Feed demand landscape and implications of food-not feed strategy for food security and climate change. AB - The food-feed competition is one of the complex challenges, and so are the ongoing climate change, land degradation and water shortage for realizing sustainable food production systems. By 2050 the global demand for animal products is projected to increase by 60% to 70%, and developing countries will have a lion's share in this increase. Currently, ~800 million tonnes of cereals (one-third of total cereal production) are used in animal feed and by 2050 it is projected to be over 1.1 billion tonnes. Most of the increase in feed demand will be in developing countries, which already face many food security challenges. Additional feed required for the projected increased demand of animal products, if met through food grains, will further exacerbate the food insecurity in these countries. Furthermore, globally, the production, processing and transport of feed account for 45% of the greenhouse gas emissions from the livestock sector. This paper presents approaches for addressing these challenges in quest for making livestock sector more sustainable. The use of novel human-inedible feed resources such as insect meals, leaf meals, protein isolates, single cell protein produced using waste streams, protein hydrolysates, spineless cactus, algae, co products of the biofuel industry, food wastes among others, has enormous prospects. Efficient use of grasslands also offers possibilities for increasing carbon sequestration, land reclamation and livestock productivity. Opportunities also exist for decreasing feed wastages by simple and well proven practices such as use of appropriate troughs, increase in efficiency of harvesting crop residues and their conversion to complete feeds especially in the form of densified feed blocks or pellets, feeding as per the nutrient requirements, among others. Available evidence have been presented to substantiate arguments that: (a) for successful and sustained adoption of a feed technology, participation of the private sector and a sound business plan are required, (b) for sustainability of the livestock production systems, it is also important to consider the consumption of animal products and a case has been presented to assess future needs of animal source foods based on their requirements for healthy living, PMID- 29198264 TI - International quality improvement initiatives. AB - Across the globe, the implementation of quality improvement science and collaborative learning has positively affected the care and outcomes for children born with CHD. These efforts have advanced the collective expertise and performance of inter-professional healthcare teams. In this review, we highlight selected quality improvement initiatives and strategies impacting the field of cardiovascular care and describe implications for future practice and research. The continued leveraging of technology, commitment to data transparency, focus on team-based practice, and recognition of cultural norms and preferences ensure the success of sustainable models of global collaboration. PMID- 29198266 TI - Influence of batch-specific biochemical egg characteristics on embryogenesis and hatching success in farmed pikeperch. AB - Low and variable egg quality remains a major issue in aquaculture impeding a reliable and continuous supply of larvae, particularly in emerging species, such as pikeperch, Sander lucioperca. We assessed the influence of batch-specific egg parameters (fatty acid (FA) profiles, cortisol content) on embryo life-stages until hatching (survival at 2, 24, 48, 72 h post fertilization (hpf), hatching rate) in an integrated study under commercial hatchery conditions (44 egg batches). Embryo mortality was elevated until 48 hpf (average 9.8% mortality between 2 and 48 hpf). Embryos surviving until 48 hpf were very likely (98.5%) to hatch successfully. The inherent egg FA composition was variable in-between batches. Total FA content ranged form 66.1 to 171.7 ug/mg (dry matter) total FA. Whereas specific FA ,18 : 0 and 20 : 5(n-3) (eicosapentaenoic acid) of the polar fraction and the ratio of 22 : 6(n-3) (docosahexaenoic acid) to 20 : 5(n-3) within the neutral fraction, were significantly correlated with early embryo development, contents of the respective FA did not differ between high (>90% hatching rate), mid (70% to 90% hatching rate) and low (<70% hatching rate) quality egg batches. Late embryo development and hatching were relatively independent of the FA profiles highlighting stage-dependent influences especially during early embryogenesis. Cortisol levels ranged from 22.7 to 293.2 ng/ml and did not directly explain for mortalities. However, high cortisol was associated with a lower content of specific FA, in particular highly unsaturated FA. These results demonstrate the magnitude of inter-individual differences in the batch specific biochemical egg composition under stable hatchery conditions and suggest a stress-mediated lack of essential FA, which in turn affects early embryo survival. Surprisingly, embryos are able to cope well with a broad range of inherent egg parameters, which limits their predictive potential for egg quality in general. Still, specific FA profiles of high quality egg batches have potential for formulating species-specific broodstock diets and improving reproductive management in pikeperch. PMID- 29198267 TI - RAS-related protein 1: an estrogen-responsive gene involved in development and molting-mediated regeneration of the female reproductive tract in chickens. AB - It is important to identify molecular candidates involved in morphological and functional changes in the female reproductive system. We have discovered several candidate genes that were significantly altered in chick oviducts by exogenous estrogen and those candidates included dexamethasone (DEX)-induced RAS-related protein 1 (RASD1). RAS-related protein 1, a member of the Ras family of monomeric G proteins, is involved in various cellular processes including cell growth, proliferation and differentiation, as well as a cell-signaling protein regulating hormonal actions. Although the RASD1 gene was first identified as a DEX (a corticosteroid) inducible gene, there is evidence that it is also an estrogen responsive gene. However, hormone-mediated expression and biological functions of RASD1 in the avian female reproductive system are poorly understood. Therefore, we tested the hypothesis that RASD1 may be involved in the development and remodeling of the chicken reproductive system as an estrogen-responsive gene. Here we demonstrate differential expression of RASD1 gene and candidate microRNAs (miRNAs) targeting chicken RASD1 transcripts in chicken oviducts in response to diesthylstilbestrol (DES, a synthetic non-steroidal estrogen) and the estrogen mediated molting process. Result of the present study indicated that expression of RASD1 messenger RNA (mRNA) increased in the developing oviducts of chicks treated with DES, particularly in the glandular (GE) and luminal (LE) epithelia of the magnum and the shell gland. Also, during induced molting by zinc feeding, RASD1 expression changed in concert with changes in concentrations of estrogen in blood of laying hens. Our results revealed that expression of RASD1 mRNA decreased as the oviduct regressed and then increased as the oviduct underwent re growth and recrudescence in hens. Furthermore, RASD1 mRNA was expressed predominantly in GE and LE of the oviduct of laying hens during regeneration of the oviduct after induced molting, but not during the period of regression of the oviduct during molting. In addition, the relative expression of candidate miRNAs (miR-30a-5p, miR-30b-5p, miR-30c-5p and miR-30d) regulating RASD1 transcripts changed in response to estrogen stimulation of chick oviducts. These results indicate that transcription of the RASD1 gene and miRNAs regulating post transcriptional aspects of expression of RASD1 are modulated by estrogen which is critical for growth, development, remodeling and maintenance of function of the chicken oviduct. PMID- 29198268 TI - The Many Sides of Hemispheric Asymmetry: A Selective Review and Outlook. AB - Hemispheric asymmetry is commonly viewed as a dual system, unique to humans, with the two sides of the human brain in complementary roles. To the contrary, modern research shows that cerebral and behavioral asymmetries are widespread in the animal kingdom, and that the concept of duality is an oversimplification. The brain has many networks serving different functions; these are differentially lateralized, and involve many genes. Unlike the asymmetries of the internal organs, brain asymmetry is variable, with a significant minority of the population showing reversed asymmetries or the absence of asymmetry. This variability may underlie the divisions of labor and the specializations that sustain social life. (JINS, 2017, 23, 710-718). PMID- 29198269 TI - Neuropsychological Investigations of Human Amnesia: Insights Into the Role of the Medial Temporal Lobes in Cognition. AB - The past 30 years of research on human amnesia has yielded important changes in our understanding of the role of the medial temporal lobes (MTL) in memory. On the one hand, this body of evidence has highlighted that not all types of memory are impaired in patients with MTL lesions. On the other hand, this research has made apparent that the role of the MTL extends beyond the domain of long-term memory, to include working memory, perception, and future thinking. In this article, we review the discoveries and controversies that have characterized this literature and that set the stage for a new conceptualization of the role of the MTL in cognition. This shift toward a more nuanced understanding of MTL function has direct relevance for a range of clinical disorders in which the MTL is implicated, potentially shaping not only theoretical understanding but also clinical practice. (JINS, 2017, 23, 732-740). PMID- 29198270 TI - Contributions to Understanding the Neuropsychology of Alcoholism: An INS Legacy. AB - Alcohol use disorder (AUD) has been a major cause of family, social, and personal strife for centuries, with current prevalence estimates of 14% for 12-month and 29% lifetime AUD. Neuropsychological testing of selective cognitive, sensory, and motor functions complemented with in vivo brain imaging has enabled tracking the consequences of AUD, which follows a dynamic course of development, maintenance, and recovery or relapse. Controlled studies of alcoholism reviewed herein provide evidence for disruption of selective functions involving executive, visuospatial, mnemonic, emotional, and attentional processes, response inhibition, prosody, and postural stability and brain systems supporting these functions. On a hopeful front, longitudinal study provides convincing evidence for improvement in brain structure and function following sustained sobriety. These discoveries have a strong legacy in the International Neuropsychological Society (INS), starting from its early days when assumptions regarding which brain regions were disrupted relied solely on patterns of functional sparing and impairment deduced from testing. This review is based on the symposium presentation delivered at the 2017 annual North American meeting of the INS in celebration of the 50th anniversary since its institution in 1967. In the spirit of the meeting's theme, "Binding the Past and Present," the lecture and this review recognized the past by focusing on early, rigorous neuropsychological studies of alcoholism and their influence on research currently conducted using imaging methods enabling hypothesis testing of brain substrates of observed functional deficits. (JINS, 2017, 23, 843-859). PMID- 29198271 TI - The Neuropsychology of Traumatic Brain Injury: Looking Back, Peering Ahead. AB - The past 50 years have been a period of exciting progress in neuropsychological research on traumatic brain injury (TBI). Neuropsychologists and neuropsychological testing have played a critical role in these advances. This study looks back at three major scientific advances in research on TBI that have been critical in pushing the field forward over the past several decades: The advent of modern neuroimaging; the recognition of the importance of non-injury factors in determining recovery from TBI; and the growth of cognitive rehabilitation. Thanks to these advances, we now have a better understanding of the pathophysiology of TBI and how recovery from the injury is also shaped by pre injury, comorbid, and contextual factors, and we also have increasing evidence that active interventions, including cognitive rehabilitation, can help to promote better outcomes. The study also peers ahead to discern two important directions that seem destined to influence research on TBI over the next 50 years: the development of large, multi-site observational studies and randomized controlled trials, bolstered by international research consortia and the adoption of common data elements; and attempts to translate research into health care and health policy by the application of rigorous methods drawn from implementation science. Future research shaped by these trends should provide critical evidence regarding the outcomes of TBI and its treatment, and should help to disseminate and implement the knowledge gained from research to the betterment of the quality of life of persons with TBI. (JINS, 2017, 23, 806-817). PMID- 29198273 TI - The Neuropsychology of Movement and Movement Disorders: Neuroanatomical and Cognitive Considerations. AB - This paper highlights major developments over the past two to three decades in the neuropsychology of movement and its disorders. We focus on studies in healthy individuals and patients, which have identified cognitive contributions to movement control and animal work that has delineated the neural circuitry that makes these interactions possible. We cover advances in three major areas: (1) the neuroanatomical aspects of the "motor" system with an emphasis on multiple parallel circuits that include cortical, corticostriate, and corticocerebellar connections; (2) behavioral paradigms that have enabled an appreciation of the cognitive influences on the preparation and execution of movement; and (3) hemispheric differences (exemplified by limb praxis, motor sequencing, and motor learning). Finally, we discuss the clinical implications of this work, and make suggestions for future research in this area. (JINS, 2017, 23, 768-777). PMID- 29198274 TI - Fifty Years of Prefrontal Cortex Research: Impact on Assessment. AB - Our knowledge of the functions of the prefrontal cortex, often called executive, supervisory, or control, has been transformed over the past 50 years. After operationally defining terms for clarification, we review the impact of advances in functional, structural, and theoretical levels of understanding upon neuropsychological assessment practice as a means of identifying 11 principles/challenges relating to assessment of executive function. Three of these were already known 50 years ago, and 8 have been confirmed or emerged since. Key themes over this period have been the emergence of the use of naturalistic tests to address issues of "ecological validity"; discovery of the complexity of the frontal lobe control system; invention of new tests for clinical use; development of key theoretical frameworks that address the issue of the role of prefrontal cortex systems in the organization of human cognition; the move toward considering brain systems rather than brain regions; the advent of functional neuroimaging, and its emerging integration into clinical practice. Despite these huge advances, however, practicing neuropsychologists are still desperately in need of new ways of measuring executive function. We discuss pathways by which this might happen, including decoupling the two levels of explanation (information processing; brain structure) and integrating very recent technological advances into the neuropsychologist's toolbox. (JINS, 2017, 23, 755 767). PMID- 29198272 TI - Paradigm Shifts in the Neuropsychology of Epilepsy. AB - This article reviews the major paradigm shifts that have occurred in the area of the application of clinical and experimental neuropsychology to epilepsy and epilepsy surgery since the founding of the International Neuropsychological Society. The five paradigm shifts discussed include: 1) The neurobiology of cognitive disorders in epilepsy - expanding the landscape of syndrome-specific neuropsychological impairment; 2) pathways to comorbidities: bidirectional relationships and their clinical implications; 3) discovering quality of life: The concept, its quantification and applicability; 4) outcomes of epilepsy surgery: challenging conventional wisdom; and 5) Iatrogenic effects of treatment: cognitive and behavioral effects of antiepilepsy drugs. For each area we characterize the status of knowledge, the key developments that have occurred, and how they have altered our understanding of the epilepsies and their management. We conclude with a brief overview of where we believe the field will be headed in the next decade which includes changes in assessment paradigms, moving from characterization of comorbidities to interventions; increasing development of new measures, terminology and classification; increasing interest in neurodegenerative proteins; transitioning from clinical seizure features to modifiable risk factors; and neurobehavioral phenotypes. Overall, enormous progress has been made over the lifespan of the INS with promise of ongoing improvements in understanding of the cognitive and behavioral complications of the epilepsies and their treatment. (JINS, 2017, 23, 791-805). PMID- 29198275 TI - Emotions Are Rising: The Growing Field of Affect Neuropsychology. AB - Thirty years ago, the neuropsychology of emotion started to emerge as a mainstream topic. Careful examination of individual patients showed that emotion, like memory, language, and so on, could be differentially affected by brain disorders, especially in the right hemisphere. Since then, there has been accelerating interest in uncovering the neural architecture of emotion, and the major steps in this process of discovery over the past 3 decades are detailed in this review. In the 1990s, magnetic resonance imaging (MRI) scans provided precise delineation of lesions in the amygdala, medial prefrontal cortex, insula and somatosensory cortex as underpinning emotion disorders. At the same time, functional MRI revealed activation that was bilateral and also lateralized according to task demands. In the 2000s, converging evidence suggested at least two routes to emotional responses: subcortical, automatic and autonomic responses and slower, cortical responses mediating cognitive processing. The discovery of mirror neurons in the 1990s reinvigorated older views that simulation was the means to recognize emotions and empathize with others. More recently, psychophysiological research, revisiting older Russian paradigms, has contributed new insights into how autonomic and other physiological indices contribute to decision making (the somatic marker theory), emotional simulation, and social cognition. Finally, this review considers the extent to which these seismic changes in understanding emotional processes in clinical disorders have been reflected in neuropsychological practice. (JINS, 2017, 23, 719-731). PMID- 29198276 TI - Does Cannabis Use Cause Declines in Neuropsychological Functioning? A Review of Longitudinal Studies. AB - Cannabis use has been linked to impairments in neuropsychological functioning across a large and continually expanding body of research. Yet insight into underlying causal relations remains limited due to the historically cross sectional nature of studies in this area. Recently, however, studies have begun to use more informative design strategies to delineate these associations. The aim of this article is to provide a critical evaluation and review of research that uses longitudinal designs to examine the link between cannabis use and neuropsychological functioning. In summarizing the primary findings across these studies, this review suggests that cannabis use leads to neuropsychological decline. However, across most studies, these associations were modest, were present only for the group with the heaviest cannabis use, and were often attenuated (or no longer significant) after controlling for potential confounding variables. Future studies with neuropsychological data before and after initiation of cannabis use, along with careful measurement and control of "shared risk factors" between cannabis use and poorer neuropsychological outcomes, are needed to better understand who, and under what conditions, is most vulnerable to cannabis-associated neuropsychological decline. (JINS, 2017, 23, 893-902). PMID- 29198278 TI - Brain-Based Biomarkers for the Treatment of Depression: Evolution of an Idea. AB - An ambition of depression biomarker research is to augment psychometric and cognitive assessment of clinically relevant phenomena with neural measures. Although such applications have been slow to arrive, we observe a steady evolution of the idea and anticipate emerging technologies with some optimism. To highlight critical themes and innovations in depression biomarker research, we take as our point of reference a specific research narrative. We begin with an early model of frontal-limbic dysfunction, which represents a conceptual shift from localized pathology to understanding symptoms as an emergent property of distributed networks. Over the decades, this model accommodates perspectives from neurology, psychiatry, clinical, and cognitive neuroscience, and preserves past insight as more complex methods become available. We also track the expanding mission of brain biomarker research: from the development of diagnostic tools to treatment selection algorithms, measures of neurocognitive functioning and novel targets for neuromodulation. To conclude, we draw from this particular research narrative future directions for biomarker research. We emphasize integration of measurement modalities to describe dynamic change in domain-general networks, and we speculate that a brain-based framework for psychiatric problems may dissolve classical diagnostic and disciplinary boundaries. (JINS, 2017, 23, 870-880). PMID- 29198277 TI - Attention-Deficit/Hyperactivity Disorder: A Historical Neuropsychological Perspective. AB - The behavior patterns of hyperactivity, impulsivity and inattention that would ultimately become recognized as Attention-Deficit Hyperactivity Disorder (ADHD) have been described for centuries. Nevertheless, in the past 35 years, advances in diagnostic methods, identification of biomarkers, and treatments have advanced at an exponential rate. ADHD is now recognized as the most common behavioral disorder of childhood, with risks extending well into adulthood for both males and females, leading to its identification as a significant public health issue. This historical neuropsychological review of ADHD emphasizes scientific highlights in the past 35 years related to ADHD, including the evolution of the diagnosis (from Hyperkinetic Reaction of Childhood to ADHD), influential theories (executive functions, cognitive-energetic, delay aversion), landmark treatment studies (Multimodal Treatment of ADHD [MTA] and Preschool ADHD Treatment Study [PATS]), and advances in brain mapping techniques (anatomic, functional, and resting state magnetic resonance imaging, diffusion tensor imaging). The review concludes by highlighting the challenges of studying and treating a heterogeneous neurodevelopmental disorder like ADHD, with emphasis on associated disorders and conditions (learning disabilities, sluggish cognitive tempo), special populations (girls, preschoolers, adults), and recommendations for scientific inquiry in the next 35 years. Neuropsychologists are well positioned to address the clinical and research challenges of the next generation of studies, especially involving advances in understanding the sexual dimor.phism, full developmental course, and dynamic risks associated with ADHD. (JINS, 2017, 23, 916-929). PMID- 29198279 TI - Neuropsychology of Multiple Sclerosis: Looking Back and Moving Forward. AB - The neuropsychological aspects of multiple sclerosis (MS) have evolved over the past three decades. What was once thought to be a rare occurrence, cognitive dysfunction is now viewed as one of the most disabling symptoms of the disease, with devastating effects on patients' quality of life. This selective review will highlight major innovations and scientific discoveries in the areas of neuropathology, neuroimaging, diagnosis, and treatment that pertain to our understanding of the neuropsychological aspects of MS. Specifically, we focus on the recent discovery that MS produces pathogical lesions of gray matter (GM) that have consequences for cognitive functions. Methods for imaging these GM lesions in MS are discussed along with multimodal imaging studies that integrate structural and functional imaging methods to provide a better understanding of the relationship between cognitive test performance and functional reserve. Innovations in the screening and comprehensive assessment of cognitive disorders are presented along with recent research that examines cognitive dysfunction in pediatric MS. Results of innovative outcome studies in cognitive rehabilitation are discussed. Finally, we highlight trends for potential future innovations over the next decade. (JINS, 2017, 23, 832-842). PMID- 29198281 TI - Neuropsychological Assessment: Past and Future. AB - Neuropsychological assessment tools are the staple of our field. The development of standardized metrics sensitive to brain-behavior relationships has shaped the neuropsychological questions we can ask, our understanding of discrete brain functions, and has informed the detection and treatment of neurological disorders. We identify key turning points and innovations in neuropsychological assessment over the past 40-50 years that highlight how the tools used in common practice today came to be. Also selected for emphasis are several exciting lines of research and novel approaches that are underway to further probe and characterize brain functions to enhance diagnostic and treatment outcomes. We provide a brief historical review of different clinical neuropsychological assessment approaches (Lurian, Flexible and Fixed Batteries, Boston Process Approach) and critical developments that have influenced their interpretation (normative standards, cultural considerations, longitudinal change, common metric batteries, and translational assessment constructs). Lastly, we discuss growing trends in assessment including technological advances, efforts to integrate neuropsychology across disciplines (e.g., primary care), and changes in neuropsychological assessment infrastructure. Neuropsychological assessment has undergone massive growth in the past several decades. Nonetheless, there remain many unanswered questions and future challenges to better support measurement tools and translate assessment findings into meaningful recommendations and treatments. As technology and our understanding of brain function advance, efforts to support infrastructure for both traditional and novel assessment approaches and integration of complementary brain assessment tools from other disciplines will be integral to inform brain health treatments and promote the growth of our field. (JINS, 2017, 23, 778-790). PMID- 29198280 TI - Alzheimer's Disease: Past, Present, and Future. AB - Although dementia has been described in ancient texts over many centuries (e.g., "Be kind to your father, even if his mind fail him." - Old Testament: Sirach 3:12), our knowledge of its underlying causes is little more than a century old. Alzheimer published his now famous case study only 110 years ago, and our modern understanding of the disease that bears his name, and its neuropsychological consequences, really only began to accelerate in the 1980s. Since then we have witnessed an explosion of basic and translational research into the causes, characterizations, and possible treatments for Alzheimer's disease (AD) and other dementias. We review this lineage of work beginning with Alzheimer's own writings and drawings, then jump to the modern era beginning in the 1970s and early 1980s and provide a sampling of neuropsychological and other contextual work from each ensuing decade. During the 1980s our field began its foundational studies of profiling the neuropsychological deficits associated with AD and its differentiation from other dementias (e.g., cortical vs. subcortical dementias). The 1990s continued these efforts and began to identify the specific cognitive mechanisms affected by various neuropathologic substrates. The 2000s ushered in a focus on the study of prodromal stages of neurodegenerative disease before the full-blown dementia syndrome (i.e., mild cognitive impairment). The current decade has seen the rise of imaging and other biomarkers to characterize preclinical disease before the development of significant cognitive decline. Finally, we suggest future directions and predictions for dementia-related research and potential therapeutic interventions. (JINS, 2017, 23, 818-831). PMID- 29198282 TI - Neuropsychology of Learning Disabilities: The Past and the Future. AB - Over the past 50 years, research on children and adults with learning disabilities has seen significant advances. Neuropsychological research historically focused on the administration of tests sensitive to brain dysfunction to identify putative neural mechanisms underlying learning disabilities that would serve as the basis for treatment. Led by research on classifying and identifying learning disabilities, four pivotal changes in research paradigms have produced a contemporary scientific, interdisciplinary, and international understanding of these disabilities. These changes are (1) the emergence of cognitive science, (2) the development of quantitative and molecular genetics, (3) the advent of noninvasive structural and functional neuroimaging, and (4) experimental trials of interventions focused on improving academic skills and addressing comorbid conditions. Implications for practice indicate a need to move neuropsychological assessment away from a primary focus on systematic, comprehensive assessment of cognitive skills toward more targeted performance based assessments of academic achievement, comorbid conditions, and intervention response that lead directly to evidence-based treatment plans. Future research will continue to cross disciplinary boundaries to address questions regarding the interaction of neurobiological and contextual variables, the importance of individual differences in treatment response, and an expanded research base on (a) the most severe cases, (b) older people with LDs, and (c) domains of math problem solving, reading comprehension, and written expression. (JINS, 2017, 23, 930-940). PMID- 29198284 TI - Facilitating Autism Research. AB - Early autism research focused on behavior and cognition. In recent decades, the pace of research has accelerated, and advances in imaging and genetics have allowed the accumulation of biological data. Nevertheless, a coherent picture of the syndrome at either phenotypic or biological level has not emerged. We see two fundamental obstacles to progress in basic understanding of autism. First, the two defining features (impairment in social interactions and communication, and restricted, repetitive behaviors and interests) are historically seen as integrally related. Others hold that these two major traits are fractionable and must be studied independently, casting doubt on autism as a coherent syndrome. Second, despite much recent research on brain structure and function, environmental factors, and genetics/genomics, findings on the biological level have not generally aligned well with those on the phenotypic level. In the first two sections, we explore these challenges, and in the third section, we review approaches that may facilitate progress, such as (1) including in studies all individuals defined by social impairment without regard to repetitive behaviors, (2) forming narrowly defined subtypes by thorough characterization on specific features, both diagnostic and non-diagnostic, (3) focusing on characteristics that may be relatively robust to environmental influence, (4) studying children as early as possible, minimizing environmental influence, and including longitudinal course as an important part of the phenotype, (5) subtyping by environmental risk factors, (6) distinguishing between what participants can do and what they typically do, and (7) aggregating large data sets across sites. (JINS, 2017, 23, 903-915). PMID- 29198285 TI - Evolving Notions of Schizophrenia as a Developmental Neurocognitive Disorder. AB - We review the changing conceptions of schizophrenia over the past 50 years as it became understood as a disorder of brain function and structure in which neurocognitive dysfunction was identified at different illness phases. The centrality of neurocognition has been recognized, especially because neurocognitive deficits are strongly related to social and role functioning in the illness, and as a result neurocognitive measures are used routinely in clinical assessment of individuals with schizophrenia. From the original definitions of the syndrome of schizophrenia in the early 20th century, impaired cognition, especially attention, was considered to be important. Neurocognitive impairments are found in the vast majority of individuals with schizophrenia, and they vary from mild, relatively restricted deficits, to dementia-like syndromes, as early as the first psychotic episode. Neurocognitive deficits are found in the premorbid phase in a substantial minority of pre-teenage youth who later develop schizophrenia, and they apparently worsen by the prodromal, high-risk phase in a majority of those who develop the illness. While there is limited evidence for reversibility of impairments from pharmacological interventions in schizophrenia, promising results have emerged from cognitive remediation studies. Thus, we expect cognitive interventions to play a larger role in schizophrenia in the coming years. Moreover, because youth at risk for schizophrenia can be identified by an emergent high-risk syndrome, earlier interventions might be applied in a pre-emptive way to reduce disability and improve adaptation. The notion of schizophrenia as a developmental neurocognitive disorder with stages opens up a window of possibilities for earlier interventions. (JINS, 2017, 23, 881-892). PMID- 29198283 TI - HIV-Associated Neurocognitive Disorders: A Global Perspective. AB - The present review on HIV-associated neurocognitive disorders (HAND) provides a worldwide overview of studies that have investigated the rate and neuropsychological (NP) profile of HAND research since the inception of the 2007 HAND diagnostic nomenclature. In the first part, the review highlights some of the current controversies around HAND prevalence rates. In the second part, the review critically assesses some solutions to move the field forward. In the third part, we present the cross-sectional NP profile in non-Western HIV+ cohorts and in relation to Western cohorts' findings. The adopted global perspective highlights the successful expansion of NP studies in HIV infection to culturally diverse low- to medium-income countries with high HIV burden. These studies have produced interestingly similar rates of HAND whether patients were naive or treated and/or virally suppressed compared to the rich income countries where the NP research in NeuroHIV has originated. The perspective also demonstrates that globally, the group which is the most representative of the HIV epidemic, and thus at risk for HAND are persons with chronic HIV infection and survivors of past immunosuppression, while in relative terms, those who have been treated early with long-term viral suppression represent a minority. In the last part, we present a review of the naturalistic longitudinal NP global studies in HIV+cohorts, discuss the role of longitudinal design in solving issues around the question of asymptomatic neurocognitive impairment, and the question of biomarker discovery. Finally, we conclude by calling for greater methods and data harmonization at a global level. (JINS, 2017, 23, 860-869). PMID- 29198286 TI - What Do Language Disorders Reveal about Brain-Language Relationships? From Classic Models to Network Approaches. AB - Studies of language disorders have shaped our understanding of brain-language relationships over the last two centuries. This article provides a review of this research and how our thinking has changed over the years regarding how the brain processes language. In the 19th century, a series of famous case studies linked distinct speech and language functions to specific portions of the left hemisphere of the brain, regions that later came to be known as Broca's and Wernicke's areas. One hundred years later, the emergence of new brain imaging tools allowed for the visualization of brain injuries in vivo that ushered in a new era of brain-behavior research and greatly expanded our understanding of the neural processes of language. Toward the end of the 20th century, sophisticated neuroimaging approaches allowed for the visualization of both structural and functional brain activity associated with language processing in both healthy individuals and in those with language disturbance. More recently, language is thought to be mediated by a much broader expanse of neural networks that covers a large number of cortical and subcortical regions and their interconnecting fiber pathways. Injury to both grey and white matter has been seen to affect the complexities of language in unique ways that have altered how we think about brain-language relationships. The findings that support this paradigm shift are described here along with the methodologies that helped to discover them, with some final thoughts on future directions, techniques, and treatment interventions for those with communication impairments. (JINS, 2017, 23, 741-754). PMID- 29198287 TI - A cross-sectional examination of the prevalence of psychotropic medications for people living with dementia in Australian long-term care facilities: issues of concern. AB - : ABSTRACTBackground:Behavioral and psychological symptoms of dementia (BPSD) are a common problem in long-term care facilities (LTC). Clinical guidelines dictate that first-line treatments for BPSD are psychosocial and behavioral interventions; if these are unsuccessful, psychotropic medications may be trialed at low doses and their effects can be monitored. METHODS: There have previously been no studies with nationally representative samples to investigate psychotropic administration in LTCs in Australia. This study determines the prevalence of psychotropic administration in a representative stratified random sample of 446 residents living with dementia from 53 Australian LTCs. Questionnaire and medical chart data in this study is drawn from a larger cross sectional, mixed methods study on quality of life in Australian LTCs. RESULTS: It was found that 257 (58%) residents were prescribed psychotropic medications including: antipsychotics (n = 160, 36%), benzodiazepines (n = 136, 31%), antidepressants (n = 117, 26%), and anti-dementia medications (n = 9, 2%). BPSD were found to be very common in the sample, with 82% (n = 364) of participants experiencing at least one BPSD. The most prevalent BPSD were depression (n = 286, 70%) and agitation (n = 299, 67%). CONCLUSIONS: Although detailed background information was not collected on individual cases, the prevalence found is indicative of systematic industry-wide, over-prescription of psychotropic medications as a first-line treatment for BPSD. This study highlights a clear need for further research and interventions in this area. PMID- 29198288 TI - Integrating diverse forage sources reduces feed gaps on mixed crop-livestock farms. AB - Highly variable climates induce large variability in the supply of forage for livestock and so farmers must manage their livestock systems to reduce the risk of feed gaps (i.e. periods when livestock feed demand exceeds forage supply). However, mixed crop-livestock farmers can utilise a range of feed sources on their farms to help mitigate these risks. This paper reports on the development and application of a simple whole-farm feed-energy balance calculator which is used to evaluate the frequency and magnitude of feed gaps. The calculator matches long-term simulations of variation in forage and metabolisable energy supply from diverse sources against energy demand for different livestock enterprises. Scenarios of increasing the diversity of forage sources in livestock systems is investigated for six locations selected to span Australia's crop-livestock zone. We found that systems relying on only one feed source were prone to higher risk of feed gaps, and hence, would often have to reduce stocking rates to mitigate these risks or use supplementary feed. At all sites, by adding more feed sources to the farm feedbase the continuity of supply of both fresh and carry-over forage was improved, reducing the frequency and magnitude of feed deficits. However, there were diminishing returns from making the feedbase more complex, with combinations of two to three feed sources typically achieving the maximum benefits in terms of reducing the risk of feed gaps. Higher stocking rates could be maintained while limiting risk when combinations of other feed sources were introduced into the feedbase. For the same level of risk, a feedbase relying on a diversity of forage sources could support stocking rates 1.4 to 3 times higher than if they were using a single pasture source. This suggests that there is significant capacity to mitigate both risk of feed gaps at the same time as increasing 'safe' stocking rates through better integration of feed sources on mixed crop-livestock farms across diverse regions and climates. PMID- 29198289 TI - The Incidence and Characterization of Globus Sensation, Dysphagia, and Odynophagia Following Surgery for Obstructive Sleep Apnea. AB - STUDY OBJECTIVES: To determine the incidence, duration, and predictors of swallowing-related symptoms following upper airway surgery for obstructive sleep apnea. METHODS: Adults (age 18 years or older) who underwent surgery for obstructive sleep apnea at a tertiary care institution from January 2012 to December 2015 were retrospectively reviewed. The incidence, duration, and associated factors of postoperative swallowing complaints were evaluated. RESULTS: A total of 130 patients (135 surgical encounters) met criteria for inclusion. There were 91 men (70.0%) and 39 women (30.0%) with a median age of 60 years (range: 19-79). Presurgical diagnosis of gastroesophageal reflux disease was present in 57 patients (43.8%). An average of 2.1 procedures (+/- 0.8) were conducted at each encounter. Uvulopalatopharyngoplasty (54.8%) was the most common followed by radiofrequency ablation of the soft palate (34.8%) and tongue base (29.6%). Postoperatively, 25 patients (19.8%) complained of dysphagia, 14 (10.9%) of globus, and 9 (6.7%) of odynophagia. Preoperative gastroesophageal reflux (odds ratio [OR] 4.09, 95% confidence interval [CI] 1.41-11.91) and hyoid myotomy with suspension (OR 4.88, 95% CI 1.34-17.77) were significant predictors for dysphagia. Radiofrequency ablation of the tongue base (OR 5.00, 95% CI 1.28 19.50) was a predictor for globus sensation. Median symptom durations, in months, were 4.0 for dysphagia, 7.3 for globus, and 3.0 for odynophagia. CONCLUSIONS: Preoperative gastroesophageal reflux and hyoid myotomy with suspension procedure were associated with postoperative dysphagia whereas radiofrequency ablation of the tongue base was associated with globus. These findings can assist surgeons in providing preoperative counseling and postoperative supportive measures regarding dysphagic symptoms following sleep surgery. PMID- 29198290 TI - Hypnosis Intervention Effects on Sleep Outcomes: A Systematic Review. AB - STUDY OBJECTIVES: Sleep improvement is a promising target for preventing and modifying many health problems. Hypnosis is considered a cost-effective and safe intervention with reported benefits for multiple health conditions. There is a growing body of research assessing the efficacy of hypnosis for various health conditions in which sleep was targeted as a primary or secondary outcome. This review aimed to investigate the effects of hypnosis interventions on sleep, to describe the hypnotic procedures, and to evaluate potential adverse effects of hypnosis. METHODS: We reviewed studies (prior to January 2017) using hypnosis in adults for sleep problems and other conditions comorbid with sleep problems, with at least one sleep outcome measure. Randomized controlled trials and other prospective studies were included. RESULTS: One hundred thirty-nine nonduplicate abstracts were screened, and 24 of the reviewed papers were included for qualitative analysis. Overall, 58.3% of the included studies reported hypnosis benefit on sleep outcomes, with 12.5% reporting mixed results, and 29.2% reporting no hypnosis benefit; when only studies with lower risk of bias were reviewed the patterns were similar. Hypnosis intervention procedures were summarized and incidence of adverse experiences assessed. CONCLUSIONS: Hypnosis for sleep problems is a promising treatment that merits further investigation. Available evidence suggests low incidence of adverse events. The current evidence is limited because of few studies assessing populations with sleep complaints, small samples, and low methodological quality of the included studies. Our review points out some beneficial hypnosis effects on sleep but more high-quality studies on this topic are warranted. PMID- 29198291 TI - Adherence to Positive Airway Therapy After Switching From CPAP to ASV: A Big Data Analysis. AB - STUDY OBJECTIVES: There is a lack of data regarding adherence trajectories when switching from continuous positive airway pressure (CPAP) to adaptive servoventilation (ASV) in the context of persistent or treatment-emergent central sleep apnea (CSA). This study investigated 90-day adherence rates in patients with sleep apnea based on the type of positive airway pressure (PAP) device used and any switching of PAP modality over time. METHODS: Telemonitoring data were obtained from a United States PAP database. Eligible patients were a 30% random sample who started PAP, plus all who started ASV, from January 1, 2015 to October 2, 2015. All received PAP and had at least one session with usage of 1 hour or more. Adherence and device usage were determined in three groups: started on CPAP and stayed on CPAP (CPAP only); started on ASV and stayed on ASV (ASV only); started on CPAP, switched to ASV (Switch). The United States Medicare definition of adherence was used. RESULTS: The study included 198,890 patients; 189,724 (CPAP only), 8,957 (ASV only) and 209 (Switch). In the Switch group, average apnea-hypopnea index decreased significantly on ASV versus CPAP. At 90 days, adherence rates were 73.8% and 73.2% in the CPAP only and ASV only groups. In the Switch group, CPAP adherence was 62.7%, improving to 76.6% after the switch to ASV. Mean device usage at 90 days was 5.27, 5.31, and 5.73 h/d in the CPAP only, ASV only, and Switch groups, respectively. CONCLUSIONS: Treatment-emergent or persistent CSA during CPAP reduced therapy adherence, but adherence improved early after switching from CPAP to ASV. PMID- 29198292 TI - Polysomnography-Detected Bruxism in Children is Associated With Somatic Complaints But Not Anxiety. AB - STUDY OBJECTIVES: Sleep bruxism (SB) is common in children and is associated with somatic symptoms and sleep disturbance. Etiological theories posit the role of anxiety, suggesting youth with anxiety disorders may be at high risk for SB, but empirical data are lacking. Furthermore, parent report rather than polysomnography (PSG) has been used to examine SB-anxiety relationships in children. We examined rates of PSG-detected compared to parent-reported SB in children with generalized anxiety disorder (GAD) and healthy controls. Associations among SB, somatic complaints, and sleep disturbance were also examined. METHODS: Thirty-one children, aged 7-11 years, completed 1 night of PSG monitoring and 7 daily reports of somatic symptoms. Bruxism events were scored during stage R sleep, stage N1 sleep, and stage N2 sleep. RESULTS: Almost one third of children showed evidence of SB based on PSG. No associations were identified between parent-reported and PSG-detected SB. Rates of SB did not differ between anxious and control groups, though children with GAD showed more tonic bruxisms during stage R sleep. Presence of SB predicted more muscle aches and stomach aches, and children with SB had more awake time after sleep onset than those without bruxism. CONCLUSIONS: Results indicate poor concordance between PSG-detected and parent-reported SB in children, suggesting that parent report alone is not a reliable method for detection. The lack of association between SB and anxiety status suggests that stress sensitivity rather than anxiety per se may be predictive of SB. Associations between SB, somatic symptoms, and sleep disturbance are congruent with the broader literature. PMID- 29198293 TI - Comparison of Subjective Sleep Quality of Long-Term Residents at Low and High Altitudes: SARAHA Study. AB - STUDY OBJECTIVES: To study the effect of altitude on subjective sleep quality in populations living at high and low altitudes after excluding cases of restless legs syndrome (RLS). METHODS: This population-based study was conducted at three different altitudes (400 m, 1,900-2,000 m, and 3,200 m above sea level). All consenting subjects available from random stratified sampling in the Himalayan and sub-Himalayan regions of India were included in the study (ages 18 to 84 years). Sleep quality and RLS status were assessed using validated translations of Pittsburgh Sleep Quality Index (PSQI) and Cambridge Hopkins RLS diagnostic questionnaire. Recent medical records were screened to gather data for medical morbidities. RESULTS: In the total sample of 1,689 participants included, 55.2% were women and average age of included subjects was 35.2 (+/- 10.9) years. In this sample, overall 18.4% reported poor quality of sleep (PSQI >= 5). Poor quality of sleep was reported more commonly at high altitude compared to low altitude (odds ratio [OR] = 2.65; 95% CI = 1.9-3.7; P < .001). It was more frequently reported among patients with RLS (29.7% versus 17.1% without RLS; P < .001). Other factors that were associated with poor quality of sleep were male sex, smoking, chronic obstructive pulmonary disease (COPD), and varicose veins. Binary logistic regression indicated that COPD (OR = 1.97; 95% CI = 1.36-2.86; P < .001), high altitude (OR = 2.22; 95% CI = 1.55-3.18; P < .001), and RLS (OR = 1.66; 95% CI = 1.12-2.46; P = .01) increased the odds for poor quality of sleep. CONCLUSIONS: This study showed that poor quality of sleep was approximately twice as prevalent at high altitudes compared to low altitudes even after removing the potential confounders such as RLS and COPD. PMID- 29198295 TI - The Effect of Systematic Light Exposure on Sleep in a Mixed Group of Fatigued Cancer Survivors. AB - STUDY OBJECTIVES: Sleep disturbances are commonly reported by cancer survivors. Systematic light exposure using bright light has been used to improve sleep in other populations. In this secondary data analysis, the effect of morning administration of bright light on sleep and sleep quality was examined in a mixed group of fatigued cancer survivors. METHODS: Forty-four cancer survivors screened for cancer-related fatigue were randomized to either a bright white light or a comparison dim red light condition. Participants were instructed to use a light box every morning for 30 minutes for 4 weeks. Wrist actigraphy and the Pittsburgh Sleep Quality Index were administered at 4 time points: prior to light treatment (baseline), 2 weeks into the intervention, during the last week of the intervention, and 3 weeks postintervention. Thirty-seven participants completed the end-of-intervention assessment. RESULTS: Repeated-measures linear mixed models indicated a statistically significant time * treatment group interaction effect with sleep efficiency improving more in the bright light condition over time compared with the dim light condition (F3,42 = 5.55; P = .003) with a large effect size (partial eta2 = 0.28). By the end of the intervention and 3 weeks postintervention, mean sleep efficiency in the bright light group was in the normal range. Medium to large effect sizes were also seen in sleep quality, total sleep time, and wake after sleep onset for participants favoring the bright light condition. CONCLUSIONS: The results suggest that systematic bright light exposure in the morning may have beneficial effects on sleep in fatigued cancer survivors. Larger scale efficacy trials are warranted. CLINICAL TRIAL REGISTRATION: Registry: ClinicalTrials.gov, Title: Treating Cancer-Related Fatigue Through Systematic Light Exposure, Identifier: NCT01873794, URL: https://clinicaltrials.gov/ct2/show/NCT01873794. PMID- 29198294 TI - Sleep Quality, Sleep Duration, and the Risk of Coronary Heart Disease: A Prospective Cohort Study With 60,586 Adults. AB - STUDY OBJECTIVES: There is limited information on the relationship between risk of cardiovascular disease and the joint effects of sleep quality and sleep duration, especially from large, prospective, cohort studies. This study is to prospectively investigate the joint effects of sleep quality and sleep duration on the development of coronary heart disease. METHODS: This study examined 60,586 adults aged 40 years or older. A self-administered questionnaire was used to collect information on sleep quality and sleep duration as well as a wide range of potential confounders. Events of coronary heart disease were self-reported in subsequent medical examinations. Two types of Sleep Score (multiplicative and additive) were constructed to reflect the participants' sleep profiles, considering both sleep quality and sleep duration. The Cox regression model was used to estimate the hazard ratio (HR) and the 95% confidence interval (CI). RESULTS: A total of 2,740 participants (4.5%) reported new events of coronary heart disease at follow-up. For sleep duration, participants in the group of < 6 h/d was significantly associated with an increased risk of coronary heart disease (HR: 1.13, 95% CI: 1.04-1.23). However, the association in the participants with long sleep duration (> 8 h/d) did not reach statistical significance (HR: 1.11, 95% CI: 0.98-1.26). For sleep quality, both dreamy sleep (HR: 1.21, 95% CI: 1.10 1.32) and difficult to fall asleep/use of sleeping pills or drugs (HR: 1.40, 95% CI: 1.25-1.56) were associated with an increased risk of the disease. Participants in the lowest quartile of multiplicative Sleep Score (HR: 1.31, 95% CI: 1.16-1.47) and of additive sleep score (HR: 1.31, 95% CI: 1.16-1.47) were associated with increased risk of coronary heart disease compared with those in the highest quartile. CONCLUSIONS: Both short sleep duration and poor sleep quality are associated with the risk of coronary heart disease. The association for long sleep duration does not reach statistical significance. Lower Sleep Score (poorer sleep profile) increases the risk of coronary heart disease, suggesting the importance of considering sleep duration and sleep quality together when developing strategies to improve sleep for cardiovascular disease prevention. PMID- 29198296 TI - Variable Response to CPAP in a Case of Severe Obstructive Sleep Apnea: An Unusual Cause. AB - ABSTRACT: The objective of this report is to present clinical and scientific evidence to support the role of head position in the management of obstructive sleep apnea (OSA) with positive airway pressure. OSA, characterized by repetitive obstruction of the upper is a common medical condition associated with daytime somnolence, morning headaches, mood disturbances, and a variety of cardiopulmonary complications. The role of head position during obstructive respiratory events has been largely overlooked. We present a case where OSA severity decreased significantly with the head rotated in the right lateral position compared to head position in the neutral and left position. This case demonstrates an important influence of head position during continuous positive airway pressure titration, independent of trunk position and sleep stage, in patients with OSA, and highlights the utility of the video polysomnography for identifying the variant. PMID- 29198297 TI - Sleep Apnea in Patients Hospitalized With Acute Ischemic Stroke: Underrecognition and Associated Clinical Outcomes. AB - STUDY OBJECTIVES: To evaluate clinical recognition of sleep apnea and related outcomes in patients hospitalized with acute ischemic stroke. METHODS: A retrospective study of all patients hospitalized with acute ischemic stroke from April 2008 to December 2014. The primary predictor and outcome variables were sleep apnea and hospital mortality, respectively. Secondary outcomes were mechanical ventilation, hospital length of stay, and the survivor's functional level by the modified Rankin scale. A sensitivity multivariate regression analysis included the propensity score for cardiovascular comorbidities and sleep apnea. RESULTS: Of 989 patients, 190 (19%) were considered to have sleep apnea. Only 42 patients (22%) received any treatment for sleep apnea during the hospital stay. Despite higher prevalence of cardiovascular comorbidities, the patients with sleep apnea had lower hospital mortality, 1% versus 5.6% in patients without sleep apnea (odds ratio [OR] 0.18; 95% confidence interval [CI], 0.03-0.58, P = .002). Only the National Institutes of Health Stroke Scale (NIHSS) and the Glasgow coma scale (GCS) were significant predictors of adjusted hospital mortality (OR 1.06, 95% CI 1.01-1.11, P = .01 and OR 0.61, 95% CI 0.51-0.69, P <= .001, respectively). A composite clinical propensity score for sleep apnea and cardiovascular comorbidities was significantly associated with decreased mortality, independent to either NIHSS (OR 0.11, 95% CI 0.017-0.71; P = .02) or GCS (OR 0.07, 95% CI 0.01-0.52; P = .01). CONCLUSIONS: Prevalence of sleep apnea in our study was low, likely because of clinical underrecognition. Despite having more cardiovascular disease, the patients with acute stroke and sleep apnea had less severe neurological injury and lower unadjusted mortality than those without a history of sleep apnea. PMID- 29198298 TI - Treatment for Insomnia in 2017: "Don't Ask, Don't Treat". PMID- 29198299 TI - Patients With Obstructive Sleep Apnea Are Over Four Times More Likely to Suffer From Psoriasis Than the General Population. PMID- 29198300 TI - Sleep and Breast Cancer in the Western New York Exposures and Breast Cancer (WEB) Study. AB - STUDY OBJECTIVES: Night shift work is associated with increased breast cancer risk, possibly from altered sleep. Epidemiologic evidence is sparse regarding sleep disturbances and breast cancer tumor markers. We examined sleep disturbance in association with breast tumor aggressiveness and mortality following diagnosis. METHODS: We analyzed associations of measures of sleep disturbance in a sample of 1,122 incident breast cancer cases from the Western New York Exposures and Breast Cancer (WEB) Study. Sleep disturbance was assessed using self-administered questionnaires; responses about difficulty falling asleep, waking up frequently, having trouble staying asleep, and waking up feeling tired and worn out were used to create a summary sleep disturbance score. We used general linear models to examine associations of sleep disturbance with markers of tumor aggressiveness among cases: estrogen receptor (ER) status, progesterone receptor (PR) status, and human epidermal growth factor receptor-2 (HER2) status; tumor size, stage, grade, lymph node involvement, and presence of metastasis. In addition, we examined the association between sleep disturbance and survival using Cox regression. RESULTS: Among breast cancer cases, sleep disturbance was higher for women with ER- / PR- tumors compared to women with ER+ / PR+ tumors, even after adjusting for potential covariates (P for trend = .02). Results suggest that the association of sleep quality differs by menopausal status, where mild sleep disturbance is associated with higher breast cancer mortality in premenopausal women; however, we had a relatively small sample size. CONCLUSIONS: Sleep disturbance may be associated with aggressive subtypes of breast cancer; however, further studies are needed. PMID- 29198301 TI - The MSLT is Repeatable in Narcolepsy Type 1 But Not Narcolepsy Type 2: A Retrospective Patient Study. AB - STUDY OBJECTIVES: To examine repeatability of Multiple Sleep Latency Test (MSLT) results in narcolepsy type 1 (NT1) and narcolepsy type 2 (NT2) according to the criteria of the International Classification of Sleep Disorders, Third Edition (ICSD-3). METHODS: Repeatability of the MSLT was retrospectively evaluated in NT1 (n = 60) and NT2 (n = 54) cases, and controls (n = 15). All subjects had documented HLA-DQB1*06:02 status and/or hypocretin-1 levels from cerebrospinal fluid. All subjects had undergone 2 MSLTs (>= 1 meeting ICSD-3 criteria for narcolepsy). Repeatability was explored in children versus adults and in those on versus not on medication(s). Subsample and multivariate analysis were performed. RESULTS: Both MSLTs in unmedicated patients were positive for narcolepsy in 78%, 18%, and 7% of NT1, NT2, and controls, respectively. NT2 cases changed to idiopathic hypersomnia or to a negative MSLT 26% and 57% of the time, respectively. Although NT1 cases were 10 to 14 times more likely to demonstrate a second positive MSLT compared to NT2 cases (P < 10-5) and controls (P < 10-4), respectively, NT2 cases were not significantly different from controls (P = .64). Medication use (P = .009) but not adult versus children status (P = .85) significantly decreased the likelihood of a repeat positive MSLT. CONCLUSIONS: In a clinical setting, a positive MSLT for narcolepsy is a more reproducible and stable feature in NT1 than NT2. The retrospective design of this study hinders interpretation of these data, as there are many different, and possibly opposing, reasons to repeat a MSLT in NT1 versus NT2 (ie, ascertainment bias). Additional systematic MSLT repeatability studies independent of confounds are ideally needed to confirm these findings. PMID- 29198302 TI - Obstructive Sleep Apnea in Gestational Diabetes: A Pilot Study of the Role of the Hypothalamic-Pituitary-Adrenal Axis. AB - STUDY OBJECTIVES: Obstructive sleep apnea (OSA) in pregnancy is associated with gestational diabetes mellitus (GDM). This propensity toward heightened insulin resistance in OSA patients has not been well characterized and may be related to dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis. The aim of this study was to (1) assess the prevalence of OSA in pregnant women with GDM, (2) evaluate whether HPA axis dysregulation relates to OSA, and (3) investigate the relation between insulin resistance and OSA. We hypothesized that OSA is prevalent among pregnant women with GDM and that women with OSA will have higher levels of insulin resistance and dysregulation of the HPA axis. METHODS: Twenty five pregnant women in whom GDM was diagnosed were enrolled. Subjects answered sleep questionnaires and underwent in-home sleep studies using a level III device. The presence of OSA was defined by apnea-hypopnea index >= 5 events/h. Homeostasis Model Assessment of insulin resistance was derived from measurements of fasting glucose and C-peptide levels. Three salivary cortisol levels were obtained across 1 day to assess circadian variation. Multivariable linear regression analyses were used to assess associations between variables. RESULTS: The sample consisted of 54% Caucasian pregnant women with a median body mass index of 36.1 and interquartile ratio of 10.6 kg/m2. OSA was diagnosed in 17% of participants. Circadian variation of cortisol was preserved in women with OSA. Women with OSA displayed blunted cortisol awakening responses. CONCLUSIONS: OSA is prevalent in women with GDM. OSA is associated with preserved circadian variation and blunted cortisol awakening responses. PMID- 29198303 TI - Predictors of Side Effects With Long-Term Oral Appliance Therapy for Obstructive Sleep Apnea. AB - STUDY OBJECTIVES: The aim of this study was to investigate the predictors of dental changes associated with long-term treatment with oral appliances (OAs) in patients with obstructive sleep apnea (OSA). METHODS: This was a retrospective study to investigate Japanese patients with OSA receiving long-term treatment with OAs. Comparisons of cephalometric analysis were carried out between the initial and follow-up assessments of dental and skeletal changes. Based on dental changes, predictors that may cause side effects were investigated. RESULTS: A total of 64 patients (average age at start of treatment: 57.7 +/- 14.2 years, 44 males) were included in this study. The average duration of treatment was 4.3 +/- 2.1 years. Over the total treatment period, there was a significant reduction in overjet (OJ) (1.5 +/- 1.3 mm) and overbite (0.90 +/- 1.5 mm), and an increase in the lower incisor line to the mandibular plane (3.1 +/- 5.4 degrees ). A larger reduction in OJ of >= 1 mm was associated with treatment duration, use frequency, and mandibular advancement of the OAs. In addition to these predictive factors, the number of teeth was correlated with the amount of OJ reduction. CONCLUSIONS: For long-term treatment with OAs, the risk of dental side effects should be considered, such as a reduction in OJ. A small number of maxillary teeth, as well as the factors associated with OAs, including treatment duration, use frequency, and mandibular advancement of the OAs, was correlated with an increased rate of OJ reduction. COMMENTARY: A commentary on this article appears in this issue on page 7. PMID- 29198304 TI - Neurobehavioral Impairment and CPAP Treatment Response in Mild-Moderate Obstructive Sleep Apneas. AB - STUDY OBJECTIVES: The degree of neurobehavioral impairment and treatment response in mild-moderate obstructive sleep apnea (OSA) compared to that of an appropriate control group are unclear. This study compared neurobehavioral function and response to continuous positive airway pressure (CPAP) treatment in patients with mild to moderate OSA with those of a non-sleep apneic community sample of similar demography. METHODS: One hundred ten patients with OSA and 31 asymptomatic community dwellers underwent overnight polysomnography and neurobehavioral testing. Participants with OSA (n = 88) were treated with CPAP for 3 months, and repeat evaluations were performed at the end of the treatment period. RESULTS: Compared to the community sample, participants with OSA were significantly sleepier, had impaired mood and quality of life, and showed decrements in neuropsychological function, specifically psychomotor function, working memory and vigilance. Some neuropsychological and mood outcomes were normalized with CPAP, but significant decrements persisted in most outcomes even in those participants with adequate device usage. CONCLUSIONS: Patients with mild to moderate OSA have significant neurobehavioral morbidity. During "gold standard" treatment, normal function was not achieved, even with adequate device usage. CPAP efficacy for improving sleepiness and neuropsychological function in this milder end of the OSA spectrum may be poor, which may affect CPAP adherence. These findings suggest that there may be neurological changes related to OSA that do not respond to CPAP treatment, the etiology of which requires further investigation. PMID- 29198305 TI - Comparing the Efficacy, Mask Leak, Patient Adherence, and Patient Preference of Three Different CPAP Interfaces to Treat Moderate-Severe Obstructive Sleep Apnea. AB - STUDY OBJECTIVES: To determine if the type of continuous positive airway pressure (CPAP) mask interface influences CPAP treatment efficacy, adherence, side effects, comfort and sleep quality in patients with moderate-severe obstructive sleep apnea (OSA). METHODS: This took place in a hospital-based tertiary sleep disorders unit. It is a prospective, randomized, crossover trial comparing three CPAP interfaces: nasal mask (NM), nasal mask plus chinstrap (NM-CS) and oronasal mask (ONM) each tried in random order, for 4 weeks. After each 4-week period, patient outcomes were assessed. Participants had a new diagnosis of obstructive sleep apneas. Forty-eight patients with moderate-severe OSA (32 males, mean +/- standard deviation apnea-hypopnea index (AHI) 55.6 +/- 21.1 events/h, age 54.9 +/ 13.1 years, body mass index 35.8 +/- 7.2 kg/m2) were randomized. Thirty-five participants completed the full study, with complete data available for 34 patients. RESULTS: There was no statistically significant difference in CPAP adherence; however, residual AHI was higher with ONM than NM and NM-CS (residual AHI 7.1 +/- 7.7, 4.0 +/- 3.1, 4.2 +/- 3.7 events/h respectively, main effect P = .001). Patient satisfaction and quality of sleep were higher with the NM and NM CS than the ONM. Fewer leak and mask fit problems were reported with NM (all chi square P < .05), which patients preferred over the NM-CS and ONM options (n = 22, 9 and 4 respectively, P = .001). CONCLUSIONS: The CPAP adherence did not differ between the three different mask interfaces but the residual AHI was lower with NM than ONM and patients reported greater mask comfort, better sleep, and overall preference for a NM. A nasal mask with or without chinstrap should be the first choice for patients with OSA referred for CPAP treatment. CLINICAL TRIAL REGISTRATION: Registry: Australian and New Zealand Clinical Trials Registry, URL: https://www.anzctr.org.au, title: A comparison of continuous positive airway pressure (CPAP) interface in the control of leak, patient compliance and patient preference: nasal CPAP mask and chinstrap versus full face mask in patients with obstructive sleep apnoea (OSA), identifier: ACTRN12609000029291. PMID- 29198306 TI - Sleep Architecture in Children With Common Phenotype of Obstructive Sleep Apnea. AB - STUDY OBJECTIVES: In children, the effect of the common phenotype of obstructive sleep apnea (OSA) on sleep architecture is not adequately documented. The aim of this study was to evaluate sleep architecture in a pediatric population with the common phenotype of OSA. METHODS: The prospective cross-sectional study included 116 children in the age range of 3 to 8 years with suspected OSA and 51 healthy children. All children underwent standard overnight in-laboratory video polysomnography. Patients with obstructive apnea-hypopnea index >= 1, adenotonsillar hypertrophy, a long face, narrow palate or minor malocclusions, and no obesity were defined as a common phenotype. Polysomnographic parameters of sleep architecture and sleep clinical record were statistically analyzed according to OSA and its severity. RESULTS: In total, 94 pediatric patients (59.60% male) received the diagnosis of the common phenotype of OSA (mean age of 5.25 +/- 1.39 years). A lower percentage of stage N3 sleep (27.70 +/- 3.76% versus 31.02 +/- 4.23%; P < .05), a greater percentage of stage N1 sleep (8.40 +/ 3.98% versus 2.68 +/- 3.02%, P < .01), reduced deep sleep efficiency (46.01 +/- 4.98% versus 50.25 +/- 3.72%; P < .05) and longer sleep latency (18.40 +/- 8.48 minutes versus 9.90 +/- 11.55 minutes, P < .01) were found in children with the common phenotype of OSA compared with healthy controls. No significant differences were found in total sleep time, sleep efficiency, and percentage of stage R sleep and stage N2 sleep between groups and in sleep stage distribution and cyclization. CONCLUSIONS: These findings suggest that the most common phenotype of pediatric OSA has a negative effect on the structure of sleep, but other clinical studies are needed to confirm this result. PMID- 29198307 TI - A bioequivalence study of quetiapine 25 mg film-coated tablets in healthy Indonesian subjects?. AB - AIM: This study was conducted in order to compare the bioavailability of two film coated tablets containing 25 mg of quetiapine. METHODS: 24 subjects were enrolled in and completed a single-center, randomized, single-dose, open-label, two-way crossover study with a 1-week washout period. Plasma samples were collected up to 24 hours following drug administration; thus, quetiapine was determined by liquid chromatography-tandem mass spectrometry (LC-MS/MS) method with turbo-ion-spray mode. The pharmacokinetic parameters used for bioequivalence assessment were AUC0-t, AUC0-infinity, and Cmax. The 90% confidence intervals were obtained by analysis of variance for AUC0-t, AUC0-infinity, and Cmax. RESULTS: The results were all within the range of 80.00 - 125.00%. CONCLUSION: Bioequivalence between formulations was concluded both in terms of rate and extent of absorption.?. PMID- 29198308 TI - Payload hardware and experimental protocol development to enable future testing of the effect of space microgravity on the resistance to gentamicin of uropathogenic Escherichia coli and its sigmas-deficient mutant. AB - Human immune response is compromised and bacteria can become more antibiotic resistant in space microgravity (MG). We report that under low-shear modeled microgravity (LSMMG), stationary-phase uropathogenic Escherichia coli (UPEC) become more resistant to gentamicin (Gm), and that this increase is dependent on the presence of sigmas (a transcription regulator encoded by the rpoS gene). UPEC causes urinary tract infections (UTIs), reported to afflict astronauts; Gm is a standard treatment, so these findings could impact astronaut health. Because LSMMG findings can differ from MG, we report preparations to examine UPEC's Gm sensitivity during spaceflight using the E. coli Anti-Microbial Satellite (EcAMSat) as a free-flying "nanosatellite" in low Earth orbit. Within EcAMSat's payload, a 48-microwell fluidic card contains and supports study of bacterial cultures at constant temperature; optical absorbance changes in cell suspensions are made at three wavelengths for each microwell and a fluid-delivery system provides growth medium and predefined Gm concentrations. Performance characterization is reported here for spaceflight prototypes of this payload system. Using conventional microtiter plates, we show that Alamar Blue (AB) absorbance changes can assess the Gm effect on E. coli viability, permitting telemetric transfer of the spaceflight data to Earth. Laboratory results using payload prototypes are consistent with wellplate and flask findings of differential sensitivity of UPEC and its ?rpoS strain to Gm. if sigmas plays the same role in space MG as in LSMMG and Earth gravity, countermeasures discovered in recent Earth studies (aimed at weakening the UPEC antioxidant defense) to control UPEC infections would prove useful also in space flights. Further, EcAMSat results should clarify inconsistencies from previous space experiments on bacterial antibiotic sensitivity and other issues. PMID- 29198309 TI - Effects of simulated microgravity on gene expression and biological phenotypes of a single generation Caenorhabditis elegans cultured on 2 different media. AB - Studies of multigenerational Caenorhabditis elegans exposed to long-term spaceflight have revealed expression changes of genes involved in longevity, DNA repair, and locomotion. However, results from spaceflight experiments are difficult to reproduce as space missions are costly and opportunities are rather limited for researchers. In addition, multigenerational cultures of C. elegans used in previous studies contribute to mixture of gene expression profiles from both larvae and adult worms, which were recently reported to be different. Usage of different culture media during microgravity simulation experiments might also give rise to differences in the gene expression and biological phenotypes of the worms. In this study, we investigated the effects of simulated microgravity on the gene expression and biological phenotype profiles of a single generation of C. elegans worms cultured on 2 different culture media. A desktop Random Positioning Machine (RPM) was used to simulate microgravity on the worms for approximately 52 to 54 h. Gene expression profile was analysed using the Affymetrix GeneChip(r) C. elegans 1.0 ST Array. Only one gene (R01H2.2) was found to be downregulated in nematode growth medium (NGM)-cultured worms exposed to simulated microgravity. On the other hand, eight genes were differentially expressed for C. elegans Maintenance Medium (CeMM)-cultured worms in microgravity; six were upregulated, while two were downregulated. Five of the upregulated genes (C07E3.15, C34H3.21, C32D5.16, F35H8.9 and C34F11.17) encode non-coding RNAs. In terms of biological phenotype, we observed that microgravity simulated worms experienced minimal changes in terms of lifespan, locomotion and reproductive capabilities in comparison with the ground controls. Taking it all together, simulated microgravity on a single generation of C. elegans did not confer major changes to their gene expression and biological phenotype. Nevertheless, exposure of the worms to microgravity lead to higher expression of non-coding RNA genes, which may play an epigenetic role in the worms during longer terms of microgravity exposure. PMID- 29198310 TI - Whole high-quality light environment for humans and plants. AB - Plants sharing a single light environment on a spaceship with a human being and bearing a decorative function should look as natural and attractive as possible. And consequently they can be illuminated only with white light with a high color rendering index. Can lighting optimized for a human eye be effective and appropriate for plants? Spectrum-based effects have been compared under artificial lighting of plants by high-pressure sodium lamps and general-purpose white LEDs. It has been shown that for the survey sample phytochrome photo equilibria does not depend significantly on the parameters of white LED light, while the share of phytoactive blue light grows significantly as the color temperature increases. It has been revealed that yield photon flux is proportional to luminous efficacy and increases as the color temperature decreases, general color rendering index Ra and the special color rendering index R14 (green leaf) increase. General-purpose white LED lamps with a color temperature of 2700 K, Ra > 90 and luminous efficacy of 100 lm/W are as efficient as the best high-pressure sodium lamps, and at a higher luminous efficacy their yield photon flux per joule is even bigger in proportion. Here we show that demand for high color rendering white LED light is not contradictory to the agro technical objectives. PMID- 29198311 TI - Comparison of methods for individualized astronaut organ dosimetry: Morphometry based phantom library versus body contour autoscaling of a reference phantom. AB - One of the hazards faced by space crew members in low-Earth orbit or in deep space is exposure to ionizing radiation. It has been shown previously that while differences in organ-specific and whole-body risk estimates due to body size variations are small for highly-penetrating galactic cosmic rays, large differences in these quantities can result from exposure to shorter-range trapped proton or solar particle event radiations. For this reason, it is desirable to use morphometrically accurate computational phantoms representing each astronaut for a risk analysis, especially in the case of a solar particle event. An algorithm was developed to automatically sculpt and scale the UF adult male and adult female hybrid reference phantom to the individual outer body contour of a given astronaut. This process begins with the creation of a laser-measured polygon mesh model of the astronaut's body contour. Using the auto-scaling program and selecting several anatomical landmarks, the UF adult male or female phantom is adjusted to match the laser-measured outer body contour of the astronaut. A dosimetry comparison study was conducted to compare the organ dose accuracy of both the autoscaled phantom and that based upon a height-weight matched phantom from the UF/NCI Computational Phantom Library. Monte Carlo methods were used to simulate the environment of the August 1972 and February 1956 solar particle events. Using a series of individual-specific voxel phantoms as a local benchmark standard, autoscaled phantom organ dose estimates were shown to provide a 1% and 10% improvement in organ dose accuracy for a population of females and males, respectively, as compared to organ doses derived from height weight matched phantoms from the UF/NCI Computational Phantom Library. In addition, this slight improvement in organ dose accuracy from the autoscaled phantoms is accompanied by reduced computer storage requirements and a more rapid method for individualized phantom generation when compared to the UF/NCI Computational Phantom Library. PMID- 29198312 TI - Coupling of anaerobic waste treatment to produce protein- and lipid-rich bacterial biomass. AB - Future long-term manned space missions will require effective recycling of water and nutrients as part of a life support system. Biological waste treatment is less energy intensive than physicochemical treatment methods, yet anaerobic methanogenic waste treatment has been largely avoided due to slow treatment rates and safety issues concerning methane production. However, methane is generated during atmosphere regeneration on the ISS. Here we propose waste treatment via anaerobic digestion followed by methanotrophic growth of Methylococcus capsulatus to produce a protein- and lipid-rich biomass that can be directly consumed, or used to produce other high-protein food sources such as fish. To achieve more rapid methanogenic waste treatment, we built and tested a fixed-film, flow through, anaerobic reactor to treat an ersatz wastewater. During steady-state operation, the reactor achieved a 97% chemical oxygen demand (COD) removal rate with an organic loading rate of 1740 g d-1 m-3 and a hydraulic retention time of 12.25 d. The reactor was also tested on three occasions by feeding ca. 500 g COD in less than 12 h, representing 50x the daily feeding rate, with COD removal rates ranging from 56-70%, demonstrating the ability of the reactor to respond to overfeeding events. While investigating the storage of treated reactor effluent at a pH of 12, we isolated a strain of Halomonas desiderata capable of acetate degradation under high pH conditions. We then tested the nutritional content of the alkaliphilic Halomonas desiderata strain, as well as the thermophile Thermus aquaticus, as supplemental protein and lipid sources that grow in conditions that should preclude pathogens. The M. capsulatus biomass consisted of 52% protein and 36% lipids, the H. desiderata biomass consisted of 15% protein and 7% lipids, and the Thermus aquaticus biomass consisted of 61% protein and 16% lipids. This work demonstrates the feasibility of rapid waste treatment in a compact reactor design, and proposes recycling of nutrients back into foodstuffs via heterotrophic (including methanotrophic, acetotrophic, and thermophilic) microbial growth. PMID- 29198313 TI - Modifiers of radiation effects in the eye. AB - World events, including the threat of radiological terrorism and the fear of nuclear accidents, have highlighted an urgent need to develop medical countermeasures to prevent or reduce radiation injury. Similarly, plans for manned spaceflight to a near-Earth asteroid or journey to Mars raise serious concerns about long-term effects of space radiation on human health and the availability of suitable therapeutic interventions. At the same time, the need to protect normal tissue from the deleterious effects of radiotherapy has driven considerable research into the design of effective radioprotectors. For more than 70 years, animal models of radiation cataract have been utilized to test the short and long-term efficacy of various radiation countermeasures. While some compounds, most notably the Walter Reed (WR) class of radioprotectors, have reported limited effectiveness when given before exposure to low-LET radiation, the human toxicity of these molecules at effective doses limits their usefulness. Furthermore, while there has been considerable testing of eye responses to X- and gamma irradiation, there is limited information about using such models to limit the injurious effects of heavy ions and neutrons on eye tissue. A new class of radioprotector molecules, including the sulfhydryl compound PrC-210, are reported to be effective at much lower doses and with far less side effects. Their ability to modify ocular radiation damage has not yet been examined. The ability to non invasively measure sensitive, radiation-induced ocular changes over long periods of time makes eye models an attractive option to test the radioprotective and radiation mitigating abilities of new novel compounds. PMID- 29198314 TI - T cell resistance to activation by dendritic cells requires long-term culture in simulated microgravity. AB - Immune impairment mediated by microgravity threatens the success of space exploration requiring long-duration spaceflight. The cells of most concern, T lymphocytes, coordinate the host response against microbial and cancerous challenges leading to elimination and long-term protection. T cells are activated upon recognition of specific microbial peptides bound on the surface of antigen presenting cells, such as dendritic cells (DC). Subsequently, this engagement results in T cell proliferation and differentiation into effector T cells driven by autocrine interleukin-2 (IL-2) and other cytokines. Finally, the effector T cells acquire the weaponry needed to destroy microbial invaders and tumors. Studies conducted on T cells during spaceflight, or using Earth-based culture systems, have shown reduced production of cytokines, proliferation and effector functions as compared to controls. This may account for the cases of viral reactivation events and opportunistic infections associated with astronauts of numerous missions. This work has largely been based upon the outcome of T cell activation by stimulatory factors that target select T cell signaling pathways rather than the complex, signaling events related to the natural process of antigen presentation by DC. This study tested the response of an ovalbumin peptide-specific T cell line, OT-II TCH, to activation by DC when the T cells were cultured 24-120 h in a simulated microgravity (SMG) environment generated by a rotary cell culture system. Following 72 h culture of T cells in SMG (SMG-T) or control static (Static-T) conditions, IL-2 production by the T cells was reduced in SMG-T cells compared to Static-T cells upon stimulation by phorbol 12 myristate 13-acetate (PMA) and ionomycin. However, when the SMG-T cells were stimulated with DC and peptide, IL-2 was significantly increased compared to Static-T cells. Such enhanced IL-2 production by SMG-T cells peaked at 72 h SMG culture time and decreased thereafter. When activation of SMG-T cells occurred in SMG, the T cells produced less IL-2 than control T cell cultures upon incubation with PMA and ionomycin. Short-term (24 h) SMG culture and activation of T cells by DC resulted in enhanced IL-2 production compared to Static-T cells, however, when culture was extended to 120 h, SMG-T cells secreted significantly less IL-2 than Static-T cells. SMG-T cell IL-2 doubled upon stimulation of the DC prior to addition to the T cell culture but remained less than control. SMG-T cell resistance to activation appeared comparable to the phenomenon of T cell exhaustion observed in patients with chronic diseases or persistent tumors. That is, long-term culture of T cells in SMG resulted in increased expression of the inhibitory receptor, CTLA-4. Blockade of CTLA-4 interaction with DC ligands resulted in improved T cell IL-2 production. Overall, this is the first study to determine the efficacy of DC in activating peptide-specific T cells. Furthermore, the findings suggests that countermeasures to restore T cell responsiveness in astronauts during long-term spaceflight or those living in microgravity environments should target possible inhibitory pathways that arise on activated T cells following stimulation. PMID- 29198315 TI - Mimicking the effects of spaceflight on bone: Combined effects of disuse and chronic low-dose rate radiation exposure on bone mass in mice. AB - During spaceflight, crewmembers are subjected to biomechanical and biological challenges including microgravity and radiation. In the skeleton, spaceflight leads to bone loss, increasing the risk of fracture. Studies utilizing hindlimb suspension (HLS) as a ground-based model of spaceflight often neglect the concomitant effects of radiation exposure, and even when radiation is accounted for, it is often delivered at a high-dose rate over a very short period of time, which does not faithfully mimic spaceflight conditions. This study was designed to investigate the skeletal effects of low-dose rate gamma irradiation (8.5 cGy gamma radiation per day for 20 days, amounting to a total dose of 1.7 Gy) when administered simultaneously to disuse from HLS. The goal was to determine whether continuous, low-dose rate radiation administered during disuse would exacerbate bone loss in a murine HLS model. Four groups of 16 week old female C57BL/6 mice were studied: weight bearing + no radiation (WB+NR), HLS + NR, WB + radiation exposure (WB+RAD), and HLS+RAD. Surprisingly, although HLS led to cortical and trabecular bone loss, concurrent radiation exposure did not exacerbate these effects. Our results raise the possibility that mechanical unloading has larger effects on the bone loss that occurs during spaceflight than low-dose rate radiation. PMID- 29198316 TI - Exploring innovative radiation shielding approaches in space: A material and design study for a wearable radiation protection spacesuit. AB - We present a design study for a wearable radiation-shielding spacesuit, designed to protect astronauts' most radiosensitive organs. The suit could be used in an emergency, to perform necessary interventions outside a radiation shelter in the space habitat in case of a Solar Proton Event (SPE). A wearable shielding system of the kind we propose has the potential to prevent the onset of acute radiation effects in this scenario. In this work, selection of materials for the spacesuit elements is performed based on the results of dedicated GRAS/Geant4 1-dimensional Monte Carlo simulations, and after a trade-off analysis between shielding performance and availability of resources in the space habitat. Water is the first choice material, but also organic compounds compatible with a human space habitat are considered (such as fatty acids, gels and liquid organic wastes). Different designs and material combinations are proposed for the spacesuits. To quantify shielding performance we use GRAS/Geant4 simulations of an anthropomorphic phantom in an average SPE environment, with and without the spacesuit, and we compare results for the dose to Blood Forming Organs (BFO) in Gy-Eq, i.e. physical absorbed dose multiplied by the proton Relative Biological Effectiveness (RBE) for non-cancer effects. In case of SPE occurrence for Intra Vehicular Activities (IVA) outside a radiation shelter, dose reductions to BFO in the range of 44-57% are demonstrated to be achievable with the spacesuit designs made only of water elements, or of multi-layer protection elements (with a thin layer of a high density material covering the water filled volume). Suit elements have a thickness in the range 2-6 cm and the total mass for the garment sums up to 35-43 kg depending on model and material combination. Dose reduction is converted into time gain, i.e. the increase of time interval between the occurrence of a SPE and the moment the dose limit to the BFO for acute effects is reached. Wearing a radiation shielding spacesuit of the kind we propose, the astronaut could have up to more than the double the time (e.g. almost 6 instead of 2.5 h) to perform necessary interventions outside a radiation shelter during a SPE, his/her exposure remaining within dose limits. An indicative mass saving thanks to the shielding provided by the suits is also derived, calculating the amount of mass needed in addition to the 1.5 cm thick Al module considered for the IVA scenario to provide the same additional shielding given by the spacesuit. For an average 50% dose reduction to BFO this is equal to about 2.5 tons of Al. Overall, our results offer a proof-of-principle validation of a complementary personal shielding strategy in emergency situations in case of a SPE event. Such results pave the way for the design and realization of a prototype of a water filled garment to be tested on board the International Space Station for wearability. A successful outcome will possibly lead to the further refining of the design of radiation protection spacesuits and their possible adoption in future long-duration manned missions in deep space. PMID- 29198317 TI - Effects of high-intensity static magnetic fields on a root-based bioreactor system for space applications. AB - Static magnetic fields created by superconducting magnets have been proposed as an effective solution to protect spacecrafts and planetary stations from cosmic radiations. This shield can deflect high-energy particles exerting injurious effects on living organisms, including plants. In fact, plant systems are becoming increasingly interesting for space adaptation studies, being useful not only as food source but also as sink of bioactive molecules in future bioregenerative life-support systems (BLSS). However, the application of protective magnetic shields would generate inside space habitats residual magnetic fields, of the order of few hundreds milli Tesla, whose effect on plant systems is poorly known. To simulate the exposure conditions of these residual magnetic fields in shielded environment, devices generating high-intensity static magnetic field (SMF) were comparatively evaluated in blind exposure experiments (250 mT, 500 mT and sham -no SMF-). The effects of these SMFs were assayed on tomato cultures (hairy roots) previously engineered to produce anthocyanins, known for their anti-oxidant properties and possibly useful in the setting of BLSS. Hairy roots exposed for periods ranging from 24 h to 11 days were morphometrically analyzed to measure their growth and corresponding molecular changes were assessed by a differential proteomic approach. After disclosing blind exposure protocol, a stringent statistical elaboration revealed the absence of significant differences in the soluble proteome, perfectly matching phenotypic results. These experimental evidences demonstrate that the identified plant system well tolerates the exposure to these magnetic fields. Results hereby described reinforce the notion of using this plant organ culture as a tool in ground-based experiments simulating space and planetary environments, in a perspective of using tomato 'hairy root' cultures as bioreactor of ready-to-use bioactive molecules during future long-term space missions. PMID- 29198318 TI - Growth in spaceflight hardware results in alterations to the transcriptome and proteome. AB - The Biological Research in Canisters (BRIC) hardware has been used to house many biology experiments on both the Space Transport System (STS, commonly known as the space shuttle) and the International Space Station (ISS). However, microscopic examination of Arabidopsis seedlings by Johnson et al. (2015) indicated the hardware itself may affect cell morphology. The experiment herein was designed to assess the effects of the BRIC-Petri Dish Fixation Units (BRIC PDFU) hardware on the transcriptome and proteome of Arabidopsis seedlings. To our knowledge, this is the first transcriptomic and proteomic comparison of Arabidopsis seedlings grown with and without hardware. Arabidopsis thaliana wild type Columbia (Col-0) seeds were sterilized and bulk plated on forty-four 60 mm Petri plates, of which 22 were integrated into the BRIC-PDFU hardware and 22 were maintained in closed containers at Ohio University. Seedlings were grown for approximately 3 days, fixed with RNAlater(r) and stored at -80 degrees C prior to RNA and protein extraction, with proteins separated into membrane and soluble fractions prior to analysis. The RNAseq analysis identified 1651 differentially expressed genes; MS/MS analysis identified 598 soluble and 589 membrane proteins differentially abundant both at p < .05. Fold enrichment analysis of gene ontology terms related to differentially expressed transcripts and proteins highlighted a variety of stress responses. Some of these genes and proteins have been previously identified in spaceflight experiments, indicating that these genes and proteins may be perturbed by both conditions. PMID- 29198319 TI - A Technique for Tripartite Reconstruction of Fingertip Injuries Using the Thenar Flap With Bone and Nail Bed Grafts. AB - Fingertip amputation is the most common amputation encountered by hand surgeons. Treatment decisions are multifactorial, based on mechanism, level of injury, tissue loss, associated injuries, and patient preference, among others. In this article, we present use of the thenar flap in combination with bone graft and split-thickness nail bed graft to address the tripartite loss of distal phalanx, soft tissue, and nail bed. This method allows for a full-length and functional reconstructed fingertip that is aesthetically satisfactory and does not require microsurgical techniques. PMID- 29198320 TI - ASSH Presidential Address: Engagement and Our Professional Responsibility. PMID- 29198321 TI - Perivitelline threads: an overlooked feature of cleavage-stage human embryos or an epiphenomenon in search of a function? PMID- 29198322 TI - TERT promoter mutation and its interaction with IDH mutations in glioma: Combined TERT promoter and IDH mutations stratifies lower-grade glioma into distinct survival subgroups-A meta-analysis of aggregate data. AB - The clinical significance of telomerase reverse transcriptase (TERT) promoter mutation in glioma remains unclear. The aim of our meta-analysis is to investigate the prognostic impact TERT promoter mutation in glioma patients and its interaction with other molecular markers, particularly Isocitrate Dehydrogenase (IDH) mutation from aggregate level data. Relevant articles were searched in four electronic databases including PubMed, Scopus, Web of Science and Virtual Health Library. Pooled HRs were calculated using random effect model weighted by inverse variance method. From 1010 studies, we finally included 28 studies with 11519 patients for meta-analyses. TERT mutation is significantly associated with compromised overall survival (OS) (HR=1.38; 95% CI=1.15-1.67) and progression-free survival (PFS) (HR=1.31; 95% CI=1.06-1.63) in glioma patients. In studying its reaction with IDH, TERT promoter mutation was associated with reduced OS in both IDH-mutant (IDH-mut) and IDH-wild type (IDH-wt) glioblastomas but shown to have inverse effects on IDH-mut and IDH-wt grade II/III tumors. Our analysis categorized WHO grade II/III glioma patients into four distinct survival subgroups with descending survival as follow: TERT-mut/IDH-mut?TERT-wt/IDH mut?TERT-wt/IDH-wt?TERT-mut/IDH-wt. Prognostic value of TERT promoter mutations in gliomas is dependent on tumor grade and the IDH mutational status. With the same tumor grade in WHO grade II and III tumors and the same IDH mutation status, TERT-mut is a prognostic factor. PMID- 29198323 TI - Erratum to "Cancer-related Fatigue in Adolescents and Young Adults: A Systematic Review of the Literature" [Crit. Rev. Oncol. Hematol. 118 (2017) 63-69]. PMID- 29198324 TI - Developing chemotherapy for diffuse pontine intrinsic gliomas (DIPG). AB - Prognosis of diffuse intrinsic pontine glioma (DIPG) is poor, with a median survival of 10 months after radiation. At present, chemotherapy has failed to show benefits over radiation. Advances in biotechnology have enabled the use of autopsy specimens for genomic analyses and molecular profiling of DIPG, which are quite different from those of supratentorial high grade glioma. Recently, combined treatments of cytotoxic agents with target inhibitors, based on biopsied tissue, are being examined in on-going trials. Spontaneous DIPG mice models have been recently developed that is useful for preclinical studies. Finally, the convection-enhanced delivery could be used to infuse drugs directly into the brainstem parenchyma, to which conventional systemic administration fails to achieve effective concentration. The WHO glioma classification defines a diffuse midline glioma with a H3-K27M-mutation, and we expect increase of tissue confirmation of DIPG, which will give us the biological information helping the development of a targeted therapy. PMID- 29198325 TI - ERCC1 as a prognostic factor for survival in patients with advanced urothelial cancer treated with platinum based chemotherapy: A systematic review and meta analysis. AB - BACKGROUND: The predictive role of excision repair cross-complementing group 1 (ERCC1) as a predictive factor in patients with advanced urothelial cancer (AUC) treated with platinum-based treatment is not well defined. Here, we evaluate the role of ERCC1 in patients with AUC treated with platinum-based treatment. METHODS: We performed comprehensive, systematic computerized search to identify relevant studies through Medline, Embase, Cochrane Controlled Trials Register (CCTR) databases and abstracts from American Society of Clinical Oncology (ASCO) and ASCO Genitourinary Cancers Symposium, European Society For Medical Oncology (ESMO) and European Association of Urology (EAU) meeting up to July 2015. A systematic review and meta-analysis were performed. RESULTS: We included a total of 1475 patients from 13 studies. We found that ERCC1 positivity was significantly associated with worse progression-free survival (pooled HR: 1.54, 95% CI: 1.13-2.11, p=0.006). There was no significant association with overall survival (pooled HR1.63, 95% CI: 0.93-2.88, p=0.09) and disease-free survival (pooled HR: 1.092, 95% CI: 0.63-1.90, p=0.75). CONCLUSION: ERCC1 positivity might be a prognostic indicator for poorer survival outcomes among patients with AUC. ERCC1 positivity was trending to poorer OS but was statistically worse for PFS. Further large prospective studies are warranted as ERCC1 could be used as a predictive marker to direct treatment of patients with AUC. PMID- 29198326 TI - The molecular genetics of chemotherapy-induced peripheral neuropathy: A systematic review and meta-analysis. AB - Chemotherapy-induced peripheral neuropathy (CIPN) can adversely affect completion of systemic anti-cancer treatment and cause long-term morbidity. Increasingly pharmacogenetic studies have been performed to explore susceptibility to this important adverse effect. A systematic review was conducted to identify pharmacogenetic studies, assess their quality and findings and undertake meta analysis where possible. 93 studies were included. Notable methodological issues included lack of standardisation and detail in phenotype definition and acknowledgement of potential confounding factors. Insufficient data was presented in many studies meaning only a minority could be included in meta-analysis showing mainly non-significant effects. Nonetheless, SNPs in CYP2C8, CYP3A4, ARHGEF10, EPHA and TUBB2A genes (taxanes), FARS2, ACYP2 and TAC1 (oxaliplatin), and CEP75 and CYP3A5 (vincristine) are of potential interest. These require exploration in large cohort studies with robust methodology and well-defined phenotypes. Seeking standardisation of phenotype, collaboration and subsequently, individual-patient-data meta-analysis may facilitate identifying contributory SNPs which could be combined in a polygenic risk score to predict those most at risk of CIPN. PMID- 29198327 TI - Critical features and challenges associated with imaging in patients undergoing cancer immunotherapy. AB - Manipulating an individual's immune system through immune checkpoint blockade is revolutionizing the paradigms of cancer treatment. Peculiar patterns and kinetics of response have been observed with these new drugs, rendering the assessment of tumor burden particularly challenging in cancer immunotherapy. The mechanisms of action for immune checkpoint blockade, based upon engagement of the adaptive immune system, can generate unusual response patterns, including pseudoprogression, hyperprogression, atypical and delayed responses. In patients treated with immune checkpoint blockade and radiotherapy, a reduction in tumor burden at metastatic sites distant from the irradiation field (abscopal effect) has been observed, with synergistic systemic immune effects provoked by this combination. New toxicities have also been observed, due to excessive immune activity in several organs, including lung, colon, liver and endocrine glands. Efforts to standardize assessment of cancer immunotherapy responses include novel consensus guidelines derived by modifying World Health Organization (WHO) and Response Evaluation Criteria In Solid Tumors (RECIST) criteria. The aim of this review is to evaluate imaging techniques currently used routinely in the clinic and those being used as investigational tools in immunotherapy clinical trials. PMID- 29198328 TI - The role of Nuclear Factor-kappa B signaling in human cervical cancer. AB - Background The Nuclear Factor kappaB (NF-kB) family consists of transcription factors that play a complex and essential role in the regulation of immune responses and inflammation. NF-kB has recently generated considerable interest as it has been implicated in human cancer initiation, progression and resistance to treatment. In the present comprehensive review the different aspects of NF-kB signaling in the carcinogenesis of cancer of the uterine cervix are discussed. NF kB functions as part of a network, which determines the pattern of its effects on the expression of several other genes (such as crosstalks with reactive oxygen species, p53, STAT3 and miRNAS) and thus its function. Activation of NF-kB triggered by a HPV infection is playing an important role in the innate and adaptive immune response of the host. The virus induces down regulation of NF-kB to liquidate the inhibitory activity for its replication triggered by the immune system leading a status of persistant HPV infection. During the progression to high grade intraepithelial neoplasia and cervical cancer NF-KB becomes constitutionally activated again. Mutations in NF-kB genes are rare in solid tumors but mutations of upstream signaling molecules such as RAS, EGFR, PGF, HER2 have been implicated in elevated NF-kB signaling. NF-kB can stimulate transcription of proliferation regulating genes (eg. cyclin D1 and c-myc), genes involved in metastasis, VEGF dependent angiogenesis and cell immortality by telomerase. NF-kB activation can also induce the expression of activation-induced cytodine deaminase (AID) and the APOBEC proteins, providing a mechanistic link between the NF-kB pathway and mutagenic characteristic of cervical cancer. Inhibition of NF-kB has the potential to be used to reverse resistance to radiotherapy and systemic anti-cancer medication, but currently no clinicaly active NF-kB targeting strategies are available. PMID- 29198329 TI - Examining the bleeding incidences associated with targeted therapies used in metastatic renal cell carcinoma. AB - A systematic review was conducted to illustrate the bleeding risks associated with targeted therapies used in the treatment of metastatic renal cell carcinoma (mRCC). Eligible studies included phase II, III, or IV clinical trials using pazopanib, sunitinib, cabozantinib, lenvatinib, everolimus, temsirolimus, bevacizumab, axitinib, and/or sorafenib in the setting of mRCC. Types of bleeding event(s), bleeding event frequency, and incidence of thrombocytopenia were collected from the relevant articles. ClinicalTrials.gov was also searched for incidence of "Serious bleeding adverse effects" reported in these trials. The incidences of bleeding events ranged from 1 to 36%, and incidences of thrombocytopenia ranged from 2 to 78%. Available serious bleeding adverse events ranged from 1 to 7%. The highest percentage of bleeding incidences were seen with bevacizumab, while the lowest percentage of bleeding incidences were seen with axitinib. All of the included trials were of high quality per Jadad scoring. PMID- 29198330 TI - Impact of chemotherapy-induced neutropenia (CIN) and febrile neutropenia (FN) on cancer treatment outcomes: An overview about well-established and recently emerging clinical data. AB - Despite the overwhelming evidence for the role of granulocyte colony stimulating factors (G-CSF) in managing febrile neutropenia (FN) risk, chemotherapy-induced neutropenia (CIN) and/or FN still remain the most common reasons for reducing relative dose intensity (RDI) and/or delaying chemotherapy schedule. The need to maintain RDI to ensure optimal clinical outcomes is one of the key rationales for utilizing G-CSF. There is a high incidence of reduced RDI in both curative and palliative settings, and this observation is especially evidenced in retrospective analyses. Reduced RDI leads to significantly decreased survival outcomes and quality of life in various malignancies at various clinical settings and stages. Beyond its role as a surrogate prognostic marker, high-grade CIN may have an unexpected predictive role in clinical practice, as illustrated by several data relating CIN occurrence with favorable survival outcomes; this may be due to the fact that body surface area (BSA) - based calculation of dose may not fully account for the pharmacokinetics (PK) of cytotoxic drugs and the fact that there may be variability in drug metabolism between patients treated with same chemotherapy regimens. PMID- 29198331 TI - Biomarkers in prostate cancer - Current clinical utility and future perspectives. AB - Current tendencies in the treatment course of prostate cancer patients increase the need for reliable biomarkers that help in decision-making in a challenging clinical setting. Within the last decade, several novel biomarkers have been introduced. In the following comprehensive review article, we focus on diagnostic (PHI(r), 4K score, SelectMDx(r), ConfirmMDx(r), PCA3, MiPS, ExoDX(r), mpMRI) and prognostic (OncotypeDX GPS(r), Prolaris(r), ProMark(r), DNA-ploidy, Decipher(r)) biomarkers that are in widespread clinical use and are supported by evidence. Hereby, we focus on multiple clinical situations in which innovative biomarkers may guide decision-making in prostate cancer therapy. In addition, we describe novel liquid biopsy approaches (circulating tumor cells, cell-free DNA) that have been described as predictive biomarkers in metastatic castration-resistant prostate cancer and might support an individual patient-centred oncological approach in the nearer future. PMID- 29198332 TI - Optimization and purification of l-asparaginase from fungi: A systematic review. AB - The purpose of this systematic review was to identify the available literature of the l-asparaginase producing fungi. This study followed the Preferred Reporting Items for Systematic Reviews. The search was conducted on five databases: LILACS, PubMed, Science Direct, Scopus and Web of Science up until July 20th, 2016, with no time or language restrictions. The reference list of the included studies was crosschecked and a partial gray literature search was undertaken. The methodology of the selected studies was evaluated using GRADE. Asparaginase production, optimization using statistical design, purification and characterization were the main evaluated outcomes. Of the 1686 initially gathered studies, 19 met the inclusion criteria after a two-step selection process. Nine species of fungi were reported in the selected studies, out of which 13 studies optimized the medium composition using statistical design for enhanced asparaginase production and six reported purification and characterization of the enzyme. The genera Aspergillus were identified as producers of asparaginase in both solid and submerged fermentation and l-asparagine was the amino acid most used as nitrogen source. This systematic review demonstrated that different fungi produce l-asparaginase, which possesses a potential in leukemia treatment. However, further investigations are required to confirm the promising effect of these fungal enzymes. PMID- 29198333 TI - The Therapeutic use of human albumin in cancer patients' management. AB - Human albumin (HA) has been widely used in clinical practice due to its unique physiological characteristics and pharmacokinetics. However, with the absence of clear institutional recommendations, its uncontrolled prescription remains largely controversial. An extensive review on the albumin chemistry, pharmacology, physiology and pathology was performed, and data on commercially available HA, its cost, medical usage and the related available guidelines, particularly in oncology patients were gathered. Studies assessing the appropriate use and safety of HA in cancer patients are lacking. A retrospective survey of the appropriateness of HA infusions according to the SIMTI guidelines (2009) was performed in our department. Among 53 patients who received HA infusions, only 5.7% of the indications were appropriate for HA administration. Occasionally appropriate and inappropriate indications were considered in 10% and 84.3% of the prescriptions respectively with a relatively high cost. The adoption of strict guidelines may substantially reduce the inappropriate use and the subsequent healthcare costs. PMID- 29198334 TI - Mind and body practices for fatigue reduction in patients with cancer and hematopoietic stem cell transplant recipients: A systematic review and meta analysis. AB - PURPOSE: To determine whether non-physical activity mind and body practices reduce the severity of fatigue in patients with cancer or hematopoietic stem cell transplant (HSCT) recipients compared to control interventions. METHODS: We included randomized trials which compared non-physical activity mind and body practices compared with control interventions for the management of fatigue in cancer and HSCT patients. RESULTS: Among 55 trials (4975 patients), interventions were acupuncture or acupressure (n=12), mindfulness (n=11), relaxation techniques (n=10), massage (n=6), energy therapy (n=5), energizing yogic breathing (n=3) and others (n=8). When combined, all interventions significantly reduced fatigue severity compared to all controls (standardized mean difference -0.51, 95% confidence interval -0.73 to -0.29). More specifically, mindfulness and relaxation significantly reduced fatigue severity. CONCLUSIONS: Mindfulness and relaxation were effective at reducing fatigue severity in patients with cancer and HSCT recipients. Future studies should evaluate how to translate these findings into clinical practice across different patient groups. PMID- 29198335 TI - MicroRNAs in glioblastoma pathogenesis and therapy: A comprehensive review. AB - Glioblastoma (GBM), also known as grade IV astrocytoma, is the most aggressive primary intracranial tumor of the adult brain. MicroRNAs (miRNAs), a class of small non-coding RNA species, have critical functions across various biological processes. A great deal of progress has been made recently in dissecting miRNA pathways associated with the pathogenesis of GBM. miRNA expression signatures called gene signatures also characterize and contribute to the phenotypic diversity of GBM subclasses through their ability to regulate developmental growth and differentiation. miRNA molecules have been identified as diagnostic and prognostic biomarkers for patient stratification and may also serve as therapeutic targets and agents. This review summarizes: (i) the current understanding of the roles of miRNAs in the pathogenesis of GBM, (ii) the potential use of miRNAs in GBM diagnosis and glioma grading, (iii) further prospects of developing miRNAs as novel biomarkers and therapeutic targets for GBM, and (iv) important practical considerations when considering miRNA therapy for GBM patients. PMID- 29198336 TI - Fertility management for malignant ovarian germ cell tumors patients. AB - Malignant Germ Cell Tumors have primarily affecting adolescents and young adults. In advanced disease, greater than 70% of patients can be cured with standard chemotherapy regimens and fertility-sparing surgery appears to be safe with excellent survival after long-term follow-up. Due to their rarity, follow up and fertility management is largely based on trials of epithelial ovarian cancer or on few small studies. We report a review of the literature studies about the assessment, the monitoring and the treatment of fertility for Malignant Germ Cell Tumors as pratical guidelines for management of fertility in these patients. PMID- 29198337 TI - Ovarian sex-cord stromal tumours and small cell tumours: Pathological, genetic and management aspects. AB - Non-epithelial ovarian cancers (NEOC) constitute a group of uncommon malignancies and their treatment is still a challenging task. Collectively, these tumours account for about 10% of all ovarian cancers and occur in all age groups from childhood to old-age. They include malignancies of germ cell origin, sex cord stromal cell origin, and a variety of extremely rare ovarian cancers, such as small-cell carcinomas and sarcomas. Each of these classifications encompasses multiple histologic subtypes. It is imperative that these rare tumours are managed with accurate diagnosis, staging, and treatment, to optimise the outcome. The aetiology and molecular origins of each sub-group of NEOC remain largely unresolved, and international cooperation to promote high quality translational research is crucial. Much effort has been made into researching the molecular mechanisms underlying epithelial ovarian cancers, but far less is known about the genetic changes in NEOC. In this article, it is provided an overview of the current knowledge on the incidence, clinical presentation, pathology, genetics, therapeutic interventions, survival and prognostic factors of adult and juvenile granulosa cell tumours (GrCT), Sertoli-Leydig Cell tumours (SLCT) and small cell carcinoma of the ovary. We also consider future potential therapeutic targets in these rare cancers. PMID- 29198338 TI - Ponatinib in chronic myeloid leukemia (CML): Consensus on patient treatment and management from a European expert panel. AB - Five tyrosine kinase inhibitors (TKIs) are currently approved in the European Union for treatment of chronic myeloid leukemia (CML) and all have considerable overlap in their indications. While disease-specific factors such as CML phase, mutational status, and line of treatment are key to TKI selection, other important features must be considered, such as patient-specific comorbidities and TKI safety profiles. Ponatinib, the TKI most recently approved, has demonstrated efficacy in patients with refractory CML, but is associated with an increased risk of arterial hypertension, sometimes severe, and serious arterial occlusive and venous thromboembolic events. A panel of European experts convened to discuss their clinical experience in managing patients with CML. Based on the panel discussions, scenarios in which a CML patient may be an appropriate candidate for ponatinib therapy are described, including presence of the T315I mutation, resistance to other TKIs without the T315I mutation, and intolerance to other TKIs. PMID- 29198339 TI - Patterns and drivers of health care use in long-term childhood cancer survivors: A systematic review. AB - BACKGROUND: Childhood cancer survival is increasing. But cancer and treatment late-effects can lead to ongoing health care use. We summarised the literature on the patterns and drivers of health care use among childhood cancer survivors. METHOD: Pubmed, Embase and Medline were searched for studies reporting health care use in childhood cancer survivors. RESULTS: We included 22 studies, covering 88787 experiences of health care use. The proportion of survivors using follow-up care, physician visits, specialist visits, hospitalisations, dental care and screening services varied (36.4%-88.8%). Participation in screening was below recommendations (11.5%-81%). Drivers of increased health care use included higher income, private health insurance, attending follow-up care, chronic health conditions, prior radiotherapy, being female and older age. CONCLUSION: Sociodemographic and clinical factors result in differences in health care use. Future research could investigate whether such use is appropriate and how survivors might be engaged to receive care appropriate to manage their needs. PMID- 29198340 TI - Emerging roles for long noncoding RNAs in B-cell development and malignancy. AB - Long noncoding (lnc)RNAs have emerged as essential mediators of cellular biology, differentiation and malignant transformation. LncRNAs have a broad range of possible functions at the transcriptional, posttranscriptional and protein level and their aberrant expression significantly contributes to the hallmarks of cancer cell biology. In addition, their high tissue- and cell-type specificity makes lncRNAs especially interesting as biomarkers, prognostic factors or specific therapeutic targets. Here, we review current knowledge on lncRNA expression changes during normal B-cell development, indicating essential functions in the differentiation process. In addition we address lncRNA deregulation in B-cell malignancies, the putative prognostic value of this as well as the molecular functions of multiple deregulated lncRNAs. Altogether, the discussed work indicates major roles for lncRNAs in normal and malignant B cells affecting oncogenic pathways as well as the response to common therapeutics. PMID- 29198341 TI - Concomitant use of corticosteroids and immune checkpoint inhibitors in patients with hematologic or solid neoplasms: A systematic review. AB - PURPOSE: Clinical trials studying immune checkpoint inhibitors exclude patients on corticosteroids, due to the hypothesis that corticosteroids may antagonize immunotherapy. We performed a systematic review of the literature looking at the clinical outcomes of cancer patients treated with immune checkpoint inhibitors and concomitant corticosteroids. METHODS: The following databases were searched for relevant studies: MEDLINE, Embase Classic+Embase, BIOSIS Previews, the Cochrane Database of Systematic Reviews, the CENTRAL Registry of Controlled Trials, Web of Science and Scopus. Abstracts from the meetings of the European Cancer Congress/European Society for Medical Oncology, the American Society of Clinical Oncology, the American Society of Hematology, the European Society for Radiotherapy & Oncology, the American Society for Radiation Oncology and the European Society for Radiotherapy & Oncology were manually searched. Two independent reviewers screened the references: case reports and articles with a low risk of bias were retained. RESULTS: Following a retrieval of 14603 unique references, 140 abstracts were retained for review; 27 articles are in the final analysis. Although limited, the reviewed data suggests that the concomitant administration of corticosteroids and immune checkpoint inhibitors may not necessarily lead to poorer clinical outcomes. CONCLUSION: In our systematic review, there was no objective data on the exact types of corticosteroids and the dose threshold above which an interaction could be measured clinically. Consideration of stratified randomization and treatment sequence evaluations in prospective trials may clarify this challenging topic and perhaps improve patient access to immune checkpoint therapies. PMID- 29198342 TI - Management of salivary gland malignant tumor: the Policlinico Umberto I, "Sapienza" University of Rome Head and Neck Unit clinical recommendations. AB - Salivary gland malignant tumor (SGMT) is a malignant disease requiring multidisciplinary approach. The rare incidence and the consequent lack of robust evidence-based medicine has called for a comprehensive update to draw recommendations for clinical practice. This paper is a summary of the XXX Head and Neck Unit guidelines regarding the management of SGMT. Recommendations include the indications for exclusive and adjuvant therapy, as well as metastatic management, for both major and minor SGMT. PMID- 29198344 TI - 2017: Alterum Annum Nobilis Arthroscopy (AANA). AB - In 2017, the Arthroscopy Association of North America (AANA) continues to be defined. Arthroscopy is an international journal and represents a worldwide Academic Association of Naturally-gifted Arthroscopists (AANA). When we look to the past to better understand the present and to foretell the future, we observe that our cooperative effort, merging surgeons and scientists, researchers and scholars, and authors and readers, has evolved beyond national borders. Our endeavor is an intercontinental, All-embracing Avant-garde of Notable Academics (AANA). In summary, Arthroscopy, like AANA, is global. PMID- 29198345 TI - Principles That Will Improve Your Physical Examination. PMID- 29198343 TI - Incidence of skin toxicity in squamous cell carcinoma of the head and neck treated with radiotherapy and cetuximab: A systematic review. AB - PURPOSE: Radiotherapy plus cetuximab is an effective combination therapy for locally advanced head and neck squamous cell carcinoma. The aim of our study was to determine the frequency of skin toxicity in patients receiving the combined treatment. RESULTS: Forty-eight studies were included in our analysis, for a total of 2152 patients. The mean rates of G3/G4 radiation dermatitis and acneiform rash were 32.5% (SD: 20.4; 95% CI: 28.5-36.5) and 13.4% (SD: 11.5; 95% CI: 11.2-15.6), respectively. The majority of studies referred to CTCAE scales for reporting both side effects (85.7% and 92.1%, respectively). Data on the management of skin toxicity were available in only 35.4% of the reviewed literature. CONCLUSIONS: severe radiation dermatitis is a frequent side effect induced by the combination of radiotherapy and cetuximab in head and neck cancer. The lack of predictive biomarkers of toxicity hampers the possibilty to design preventive measures on a personalized basis. PMID- 29198347 TI - Author's Reply. PMID- 29198346 TI - Regarding "Hip and Anterior Cruciate Ligament Crossroads". PMID- 29198348 TI - Educating Surgeons-AANA's Role: Past, Present, and Future. PMID- 29198349 TI - Editorial Commentary: Technical Skill in Arthroscopic Simulation Training: Are Wearable Motion Sensors a Step Forward? AB - Wearable inertial sensors can be used for assessment of surgeon body motion during arthroscopy, with demonstrated macroergonomic differences observed between novices and experts during diagnostic arthroscopy of a right cadaver knee. Before the adoption of arthroscopy training benchmarks based on inertial sensor technology, validation research should cross-correlate ergonomic variables with surgical quality. PMID- 29198350 TI - Editorial Commentary: Healthy Skepticism: An Invaluable Trait. AB - Using a switching stick from the posterior portal is a frequently employed method of identifying the location for the subscapularis split for a shoulder arthroscopic Latarjet. However, in a recent cadaveric study, in none of the 20 specimens studied did this technique result in the split being placed in the preferred position-the junction of the superior two-thirds and the inferior one third of the subscapularis. As a result, if the position of the coracoid graft is too superior, the anteroinferior extension of the glenoid arc and the vector of the conjoined sling may be suboptimal and fail to restrain humeral head translation. There is thus a need for a more reliable method for establishing the subscapularis split in patients with shoulder instability and significant glenoid bone loss. Moreover, in comparison to the open Latarjet surgical technique, an arthroscopic Latarjet procedure is notably more complex, technically challenging, and involves a demanding learning curve. For any procedure, the morbidity curve is inversely related to the learning curve-the lower one is on the learning curve, the greater the expected complications. The area beneath the morbidity curve is related to increased costs to manage complications and suboptimal outcomes. Study, practice, acquisition, and refinement of the necessary skills needed to perform a complex procedure should be done primarily in the cadaver lab. It is imperative that each of us critically evaluate our own experience and clinical practice to determine if we have or expect to generate the critical volume necessary to successfully master the arthroscopic Latarjet techniques and to retain the expertise needed for optimal patient outcomes. PMID- 29198351 TI - Editorial Commentary: Arthroscopic Latarjet Shoulder Stabilization: Where Are We? Where Are We Going? AB - Arthroscopic Latarjet procedure has shown satisfactory clinical outcomes in the treatment of anteroinferior shoulder instability. Although as of today there is no proven advantage of the arthroscopic procedure over an open one, it is too early to give up. At the same time, crucial to understand the causes of failure, to find the solutions to every single difficulty to simplify this surgery and to make it as accessible as possible. PMID- 29198352 TI - Editorial Commentary: The Wake of the Dragon: Will the Orthopaedic Community Adopt the Shoulder Arthroscopic Latarjet Procedure as We Adopted the Arthroscopic Rotator Cuff Repair? AB - The Latarjet procedure is a complex and difficult operation when performed both with an open approach and arthroscopically. The difficulties come from the fact that it is a combined intra- and extra-articular procedure, and that working close to the brachial plexus may be frightening for surgeons. Because of the high complication and reoperation rates reported in the literature, this procedure is, at the moment, rejected by a large part of the orthopaedic community, specifically in North America. The Chinese experience shows, after the European one, that arthroscopic Latarjet is an efficient and irreplaceable option for the treatment of recurrent anterior shoulder instability in the context of capsular and/or glenoid deficiency. A recent study shows that the arthroscopic procedure provides accurate bone block positioning and high rates of healing, excellent clinical results (no recurrence of instability at 2-year follow-up), and low rates of complications (no neurovascular injury). Although the arthroscopic Latarjet should be approached with caution, the learning curve should not be thought of as prohibitive. To learn how to perform an arthroscopic Latarjet, surgeons should visit an experienced surgeon and take a course to practice on cadavers first. Although it will take time and effort to learn and perform this operation correctly, we should command our Chinese colleagues to encourage us to follow their path. There is no reason that in the near future the orthopaedic community does not adopt the arthroscopic Latarjet procedure, as we adopted the arthroscopic rotator cuff repair and other complex surgical procedures. Among the strongest reasons to perform the Latarjet procedure arthroscopically are the accuracy of graft placement, the safety for neurovascular structures provided by direct visualization and magnification, and the excellent clinical results allowing young people to go back to sport, including high-risk (contact, overhead) sports. PMID- 29198353 TI - Editorial Commentary: When the Shoulder Joint Has Lost Stoichiometry-Does Arthroscopic-Assisted Latissimus Dorsi Transfer Stack Up? AB - Non-arthroplasty treatment options for pseudoparalysis of the shoulder are preferable in the younger patient population. Although there are differing philosophies among shoulder surgeons, many prefer to avoid reversed total shoulder arthroplasty for patients under age 60 years. Arthroscopically assisted latissimus dorsi transfer may be a good alternative for these patients, but how the results compare with arthroscopic superior capsular reconstruction is the question. PMID- 29198354 TI - Editorial Commentary: Pioneering the Gluteal Interval: Understanding and Treating Undersurface and Full-Thickness Gluteus Medius Tears of the Hip. AB - Lateral-based hip disease is severely impairing for many patients. Treatment decision making requires a thorough understanding of the biomechanical and clinical interpretation of the physical examination. The outcomes of these under recognized pathologies are explained with success. A recent study has described the diagnostic and surgical treatment outcomes of this impairing condition of partial and full-thickness gluteus medius tears. PMID- 29198355 TI - Editorial Commentary: Knee Lateral Collateral Ligament Injury Is More Common Than We Thought. AB - Detection of a knee lateral collateral ligament (LCL) tear, in combination with an anterior cruciate ligament tear, may be facilitated by the heel height test, which seems a modification of Hughston's external rotation recurvatum test for posterolateral rotatory instability. The radiographic and arthroscopic stress tests are also valuable. We have found that varus stress will increase varus opening by 1 degrees to 4 degrees for isolated LCL tears and 5 degrees to 9 degrees for combined (LCL) popliteus injury; an arthroscopic stress evaluation will note a normal opening of 5 to 6 mm increasing to 9 to 10 mm in combined LCL popliteus injury. Generally, in our opinion and experience, partial injuries to the lateral side of the knee heal, and only with 9 to 10 mm of arthroscopic opening is posterolateral reconstruction required. PMID- 29198356 TI - Editorial Commentary: The Acrid Bioscrew in Anterior Cruciate Ligament Reconstruction of the Knee. AB - Bioresorbable screws have been widely adopted for graft fixation in knee anterior cruciate ligament (ACL) reconstruction on the promise of screw resorbtion and replacement by bone. When considering the value of bioresorbable screws, it is imperative to understand that the "A" in PGA and PLA, the base ingredient of all bioscrews, is for Acid. All resorb by a process of hydrolysis; the speed and extent of resorbtion is determined by both the acidity of the screw and the environment in which it is placed. Regrettably, the promise of reliable, predictable screw resorbtion and replacement by bone remains elusive, despite the addition of "osteoconductive" materials. For the most part, bioresorbables are associated with good clinical outcomes for ACL reconstruction; they are not "dangerous," just disappointing with respect to bony replacement. We propose that nonresorbing inert plastics such as PEEK (polyether ether ketone) may be better suited for the purpose of graft fixation devices for ACL reconstruction. PMID- 29198357 TI - Editorial Commentary: Hamstring Autograft With Preserved Insertions Versus Free Hamstring Autograft in Knee Anterior Cruciate Ligament Reconstruction: Clinically the Same but Statistically Different. AB - There is considerable debate over the ideal graft for anterior cruciate ligament (ACL) reconstruction in athletes. The use of a hamstring autograft with preserved insertions is an approach to ACL reconstruction that may lead to earlier healing and less morbidity in comparison to a free hamstring autograft. When compared in a randomized trial, statistically significant but clinically irrelevant differences in clinical outcome and instrumented laxity were observed. These contradictory findings highlight the importance of examining the results from many vantage points and further demonstrate the misleading conclusions that may result from reliance on P values. PMID- 29198358 TI - Editorial Commentary: The Acellular Osteochondral Allograft, the Emperor Has New Clothes. AB - For larger lesions (>2.5-cm2), clinical evidence and practice have shown that fresh osteochondral allograft have good durability, with 88% return to sport and greater than 75% 10-year survival rates for treatment of large femoral condyle lesions. That said, the use of fresh osteochondral allografts in clinical practice is limited by the availability of acceptable donor tissues for eligible patients in a timely fashion. Significant diminution of chondrocyte viability and density occurs during the preservation and storage period. All osteochondral allografts are not equal in performance and outcome. Chondrocyte density and viability are critical for successful transplantation and outcome in the short and long term. This commentary highlights the high failure rates of tissue when it is acellular. PMID- 29198359 TI - Editorial Commentary: Osteochondral Lesions of the Talus-Are We Going the Wrong Way? AB - Recalcitrant osteochondral lesions of the talus present a difficult problem to the treating surgeon. Anterior and posterior approaches have been studied to facilitate treatment access. Current research highlights the accessibility of an osteochondral lesion to treatment from an anterior or posterior approach and shows the importance of foot position and noninvasive distraction to facilitate treatment. Moreover, it is important to consider that using both anterior and posterior portals, most osteochondral lesions can be well treated with a patient in the supine position. Most of all, ankle arthroscopy surgeons must be sure to visualize the central and posterior ankle so as not to miss essential pathology. PMID- 29198360 TI - Editorial Commentary: Gluteal Pain Syndrome of the Hip: It's Been There All Along! AB - The diagnosis and management of deep gluteal syndrome of the hip is currently evolving and the lack of prospective studies makes it even more difficult to discern what is the appropriate treatment. The communication between physicians managing this problem needs to improve to coordinate care better and limit the amount of unnecessary studies that these patients typically undergo. PMID- 29198361 TI - Report of the 2017 Arthroscopy Association of North America Traveling Fellowship A Fellowship Odyssey. AB - It was an honor to be selected to participate in the 2017 Arthroscopy Association of North America Advanced Arthroscopy Traveling Fellowship. This year's group included Michael J. Alaia, M.D., Assistant Professor and Associate Sports Medicine Fellowship Director at NYU Hospital for Joint Diseases; Nathan K. Endres, M.D., Associate Professor at the University of Vermont; LCDR Patrick W. Joyner, M.D., Assistant Professor at Naval Medical Center Portsmouth, and Head Physician East Coast Navy Seals; and LTC Christopher J. Tucker, M.D., Assistant Professor at the Uniformed Services University and Chief of Sports Service at Fort Belvoir Community Hospital. This year, we were honored to have a true pioneer in sports medicine and arthroscopic surgery, Dr. Jack M. Bert, Past President of Arthroscopy Association of North America and Adjunct Clinical Professor at the University of Minnesota, serve as our Godfather. PMID- 29198362 TI - Corrigendum to "Enhancement of waste activated sludge dewaterability using calcium peroxide pre-oxidation and chemical re-flocculation" [(Water Res.) 103 (2016) 170-181]. PMID- 29198363 TI - Foreword. PMID- 29198365 TI - Update on current problems in colorectal liver metastasis. PMID- 29198366 TI - The effectiveness of self-compassion and self-esteem writing tasks in reducing body image concerns. AB - This study investigated whether single-session self-compassion and self-esteem writing tasks ameliorate the body image concerns evoked by a negative body image induction. Ninety-six female university students aged 17-25 years (Mage=19.45, SD=1.84) were randomly assigned to one of three writing treatment groups: self compassion, self-esteem, or control. After reading a negative body image scenario, participants completed scales measuring state body appreciation, body satisfaction, and appearance anxiety. They then undertook the assigned writing task, and completed the three measures again, both immediately post-treatment and at 2-week follow-up. The self-compassion writing group showed higher post treatment body appreciation than the self-esteem and control groups, and higher body appreciation than the control group at follow-up. At post-treatment and follow-up, self-compassion and self-esteem writing showed higher body satisfaction than the control. The groups did not differ on appearance anxiety. Writing-based interventions, especially those that enhance self-compassion, may help alleviate certain body image concerns. PMID- 29198368 TI - Trunk musculoskeletal response in maximum voluntary exertions: A combined measurement-modeling investigation. AB - Maximum voluntary exertion (MVE) tasks quantify trunk strength and maximal muscle electromyography (EMG) activities with both clinical and biomechanical implications. The aims here are to evaluate the performance of an existing trunk musculoskeletal model, estimate maximum muscle stresses and spinal forces, and explore likely differences between males and females in maximum voluntary exertions. We, therefore, measured trunk strength and EMG activities of 19 healthy right-handed subjects (9 females and 10 males) in flexion, extension, lateral and axial directions. MVEs for all subjects were then simulated in a subject-specific trunk musculoskeletal model, and estimated muscle activities were compared with EMGs. Analysis of variance was used to compare measured moments and estimated spinal loads at the L5-S1 level between females and males. MVE moments in both sexes were greatest in extension (means of 236 Nm in males and 190 Nm in females) and least in left axial torque (97 Nm in males and 64 Nm in females). Being much greater in lateral and axial MVEs, coupled moments reached ~50% of primary moments in average. Females exerted less moments in all directions reaching significance except in flexion. Muscle activity estimations were strongly correlated with measurements in flexion and extension (Pearson's r = 0.69 and 0.76), but the correlations were very weak in lateral and axial MVEs (Pearson's r = 0.27 and 0.13). Maximum muscle stress was in average 0.80 +/- 0.42 MPa but varied among muscles from 0.40 +/- 0.22 MPa in rectus abdominis to 0.99 +/- 0.29 MPa in external oblique. To estimate maximum muscle stresses and evaluate validity of a musculoskeletal model, MVEs in all directions with all coupled moments should be considered. PMID- 29198367 TI - Can the introduction of a full-service supermarket in a food desert improve residents' economic status and health? AB - PURPOSE: To estimate the impacts of a new supermarket in a low-income desert, on residents' economic status and health. METHODS: We surveyed a randomly selected cohort in two low-income Pittsburgh neighborhoods before and about 1 year following the opening of a supermarket. We used difference-in-difference approach to test changes across the two neighborhoods in residents' food security, United States Department of Agriculture Supplemental Nutrition Assistance Program and Special Supplemental Nutrition Program for Women Infant and Children participation, employment, income, and self-reported health/chronic disease diagnoses. RESULTS: We observed declines in food insecurity (-11.8%, P < .01), Supplemental Nutrition Assistance Program participation (-12.2%, P < .01), and fewer new diagnoses of high cholesterol (-9.6%, P = .01) and arthritis (-7.4%, P = .02) in the neighborhood with the new supermarket relative to residents of the comparison neighborhood. We also found suggestive evidence that residents' incomes increased more ($1550, P = .09) and prevalence of diabetes increased less in the neighborhood with the supermarket than in the comparison neighborhood ( 3.6%, P = .10). CONCLUSIONS: Locating a new supermarket in a low-income neighborhood may improve residents' economic well-being and health. Policymakers should consider broad impacts of neighborhood investment that could translate into improved health for residents of underserved neighborhoods. PMID- 29198369 TI - A practical step length algorithm using lower limb angular velocities. AB - The use of Inertial Measurement Units (IMUs) for spatial gait analysis has opened the door to unconstrained measurements within the home and community. Bandwidth, cost limitations, and ease of use has historically restricted the number and location of sensors worn on the body. In this paper, we describe a four-sensor configuration of IMUs placed on the shanks and thighs that is sufficient to provide an accurate measure of temporal gait parameters, spatial gait parameters, and joint angle dynamics during ambulation. Estimating spatial gait parameters solely from gyroscope data is preferred because gyroscopes are less susceptible to sensor noise and a system comprised of only gyroscopes uses decreased bandwidth compared to a typical 9 degree-of-freedom IMU. The purpose of this study was to determine the validity of a novel method of step length estimation using gyroscopes attached to the shanks and thighs. An Inverted Pendulum Model algorithm (IPM) was proposed to calculate step length, stride length, and gait speed. The algorithm incorporates heel-strike events and average forward velocity per step to make these assessments. IMU algorithm accuracy was determined via concurrent validity with an instrumented walkway and results explained via the collision model of gait. The IPM produced accurate estimates of step length, stride length, and gait speed with a mean difference of 3 cm and an RMSE of 6.6 cm for step length, thus establishing a new approach for spatial gait parameter calculation. The lack of numerical integration in IPM makes it well suited for use in continuous monitoring applications where sensor sampling rates are restricted. PMID- 29198370 TI - Whole genome sequencing analysis of Salmonella enterica serovar Weltevreden isolated from human stool and contaminated food samples collected from the Southern coastal area of China. AB - Salmonella enterica serovar Weltevreden is the most common non-typhoid Salmonella found in South and Southeast Asia. It causes zoonoses worldwide through the consumption of contaminated foods and seafood, and is considered as an important food-borne pathogen in China, especially in the Southern coastal area. We compared the whole genomes of 44 S. Weltevreden strains isolated from human stool and contaminated food samples from Southern Coastal China, in order to investigate their phylogenetic relationships and establish their genetic relatedness to known international strains. ResFinder analysis of the draft genomes of isolated strains detected antimicrobial resistance (AMR) genes in only eight isolates, equivalent to minimum inhibitory concentration assay, and only a few isolates showed resistance to tetracycline, ciprofloxacin or ampicillin. In silico MLST analysis revealed that 43 out of 44 S. Weltevreden strains belonged to sequence type 365 (CC205), the most common sequence type of the serovars. Phylogenetic analysis of the 44 domestic and 26 international isolates suggested that the population of S. Weltevreden could be segregated into six phylogenetic clusters. Cluster I included two strains from food and strains of the "Island Cluster", indicating potential inter-transmission between different countries and regions through foods. The predominant S. Weltevreden isolates obtained from the samples from Southern coastal China were found to be phylogenetically related to strains from Southern East Asia, and formed clusters II-VI. The study has demonstrated that WGS-based analysis may be used to improve our understanding of the epidemiology of this bacterium as part of a food-borne disease surveillance program. The methods used are also more widely applicable to other geographical regions and areas and could therefore be useful for improving our understanding of the international spread of S. Weltevreden on a global scale. PMID- 29198371 TI - Comparison of Abbott Architect(r), Siemens Immulite(r), and Diasorin Liaison(r) for determination of Epstein-Barr virus serological diagnosis. AB - This study compared the performance of 3 automated immunoassays, Architect(r) (Abbott), Immulite(r) (Siemens) and Liaison(r) (Diasorin), for Epstein-Barr virus (EBV) serology. Ninety-one serum samples collected in Amiens University Hospital were analyzed for the presence of Viral Capsid Antigen (VCA) IgG and IgM and Epstein-Barr Nuclear Antigen (EBNA) IgG. The agreement between the 3 assays was calculated for each marker individually and for determination of the EBV profile, based on interpretation of the combination of these 3 EBV markers. Although similar results were obtained with Architect(r) and Liaison(r), several discordant results were observed with Immulite(r), particularly for EBNA IgG. A large number of EBNA IgG-positive results were observed, which interfered with interpretation of the EBV profile. In contrast, Immulite(r) performed similarly to the 2 other assays for detection of VCA IgM. PMID- 29198372 TI - Klebsiella pneumoniae co-producing KPC and RmtG, finally targeting Switzerland. AB - A carbapenem- and pan-aminoglycoside-resistant Klebsiella pneumoniae strain was isolated from a Brazilian patient hospitalized in a Swiss hospital. The clinical isolate carried genes encoding the KPC-2 carbapenemase and the RmtG 16S rRNA methyltransferase. This is the first report of a carbapenem-resistant K. pneumoniae producing RmtG in Europe. PMID- 29198373 TI - The development and implementation of a layperson trauma first responder course in La Paz, Bolivia: A pilot study. AB - BACKGROUND: Ninety percent of nearly five million annual global injury deaths occur in low- and middle-income countries (LMICs), where prehospital care systems are frequently rudimentary or nonexistent. The World Health Organization considers layperson first-responders as essential for emergency medical services in low-resource settings lacking more formalized systems. This study sought to develop and implement a layperson trauma first responder course (TFRC) in Bolivia. MATERIALS AND METHODS: In March and April 2013 nine sessions of the eight-hour TFRC were held in La Paz, Bolivia. The course charged a nominal fee, and was led by an American surgeon and medical student. The TFRC built upon existing models with local stakeholder input, and included both didactic and practical components. Participants completed a baseline survey, and pre and posttests. The primary outcome was test performance, with secondary outcomes including demographic sub-group test score analyses and exam question validation. Data were assessed using nonparametric and psychometric methods RESULTS: One hundred fifty-nine individuals met study inclusion criteria. Participant median age was 28 (IQR 24, 36), 49.1% were male, 59.1% worked in a medical field, most had secondary (35.2%) or university (56.0%) level educations, and 67.3% had prior first aid training. Median test scores improved after course completion (48% vs. 76%, p <0.001), along with skill confidence (4 vs. 4.5, p <0.001). Most questions had appropriate item difficulty indices, point bi-serial correlation coefficients, and positive Pretest Posttest Difference Indices. Cronbach alpha coefficients for pre and posttest scores were 0.72 and 0.78, respectively. CONCLUSIONS: This study presents data from the first offering of an original TFRC for laypeople in Bolivia. Increased participant knowledge and skill confidence after course completion, and acceptable overall psychometric test properties, indicate this model is valid and effective. Future aims include TFRC revision, and enrollment of more layperson first responders to increase population-level impacts. PMID- 29198374 TI - Surgically treated Hoffa Fractures with poor long-term functional results. AB - INTRODUCTION: Hoffa fractures are rare injuries and usually involve the lateral condyle. There are few published studies of large series of isolated coronal plane fractures of the femoral condyle. The aim of the study to determine the long-term functional outcomes and complications in surgically treated Hoffa fractures. PATIENTS AND METHODS: A retrospective review was made of 13 consecutive patients who were treated surgically for an isolated coronal plane fracture of the distal femur posterior condyle. The patients were evaluated with physical examination, PA and lateral radiographs and CT at the final follow-up examination. Functional outcome was evaluated with the OXFORD knee scoring system and Knee Society Score (KSS). Pain at rest and in activity was assessed using a Visual Analog Scale (VAS). RESULTS: The patients comprised 11 males and 2 females with an average age at surgery of 27.5 years. The mean follow-up period was 93 months (range, 62-134 months). Mean time to fracture healing was 10 weeks (range, 8-12 weeks). The mean ROM was determined as 110 degrees , mean KSS 78,4 and mean Oxford knee score 38,2. The mean KSS was 66,5 for medial Hoffa fracture patients and it was 83,8 for lateral Hoffa fracture patients. The mean Oxford knee score was 33,2 for medial Hoffa fracture patients and it was 40,4 for lateral Hoffa fracture patients. The mean VAS at rest and in activity was 1,1 and 2,9, respectively. Osteoarthritis was seen in 7 (54%) patients and avascular necrosis in 2 (15.4%). Varus instability was determined in 1 patient and valgus instability in 1 patient. CONCLUSION: Hoffa fractures may easily be overlooked if the radiological examination is not made carefully. Screw fixation was seen to provide enough biomechanical stability until the fracture healed. Arthrosis is a frequent long-term complication which worsens the functional results. Medial Hoffa fractures tend to have worse functional results than lateral Hoffa fractures. LEVEL OF EVIDENCE: Therapeutic Level IV retrospective case series. PMID- 29198375 TI - The value of 'binder-off' imaging to identify occult and unexpected pelvic ring injuries. AB - AIMS: To determine the effectiveness of 'binder-off' plain pelvic radiographs in the assessment of pelvic ring injuries. PATIENTS AND METHODS: All patients requiring operative intervention at our tertiary referral pelvic unit/major trauma centre for high-energy pelvic injuries between April 2012 and December 2014 were retrospectively identified. Pre-operative pelvic imaging with and without pelvic binder was reviewed with respect to fracture pattern and pelvic stability. The frequency with which the imaging without pelvic binder changed the opinion of the pelvic stability and need for operative intervention, when compared with the computed tomography (CT) scans and anteroposterior (AP) radiographs with the binder on, was assessed. RESULTS: Seventy-three percent (71 of 97) of patients had initial imaging with a pelvic binder in situ. Of these, 76% (54 of 71) went on to have 'binder-off' imaging. Seven percent (4 of 54) of patients had unexpected unstable pelvic ring injuries identified on 'binder-off' imaging that were not identified on CT imaging in binder. CONCLUSIONS: Trauma CT imaging of the pelvis with a pelvic binder in place is inadequate at excluding unstable pelvic ring injuries, and, based on the original findings in this paper, we recommend additional plain film 'binder-off' radiographs, when there is any clinical concern. PMID- 29198376 TI - Short- and long-term changes of the pharyngeal airway after surgical mandibular advancement in Class II patients-a three-dimensional retrospective study. AB - PURPOSE: To evaluate the short- and long-term impact of mandibular-only advancement on pharyngeal airway space (PAS) changes by using cone-beam computed tomography (CBCT) and a new segmentation software. Furthermore, to determine whether a correlation exists between forward movement and PAS gain. MATERIALS AND METHODS: A retrospective evaluation of a homogeneous cohort of Class II patients who had undergone mandibular-only advancement was performed. Pre- (T0), post- (T1), and 1-year post-operative (T2) CBCT scans were obtained in each case, and the changes in PAS parameters (volume and smallest cross-sectional area) were compared with new segmentation software. Mandibular advancement was measured and correlated with PAS parameters. RESULTS: A significant postoperative gain in all airway parameters compared with baseline was shown for T1 (p = 0.02), with an additional increase for T2 (p < 0.001). No significant linear association between the movement of the measurement points and any other PAS parameters could be discerned (p > 0.05). CONCLUSION: Our findings indicate that bilateral mandibular only advancement surgery results in a significant widening of the PAS in Class II patients. Long-term adaption of the PAS also occurs after surgery implying an additional gain of PAS over time. Sicat Air(r) software seems to be a sufficient and promising tool for PAS evaluation. PMID- 29198377 TI - Central mucoepidermoid carcinoma: An up-to-date analysis of 147 cases and review of prognostic factors. AB - OBJECTIVE: To integrate the available data published on central mucoepidermoid carcinoma (CMC) into a comprehensive analysis of its clinical aspects, histology, treatment, and prognostic factors. METHODS: An electronic search was undertaken in July 2017. Eligibility criteria for publications included having clinical, histological, treatment, and time of follow-up data to confirm the diagnosis. RESULTS: In addition, gender, histological grade, conservative treatment, and lymph node metastasis were significant independent prognostic factors. CONCLUSION: Male patients with histological grade III CMC of the jaw bone, who used conservative treatment as the main treatment, and presented with lymph node metastasis, were more likely to have a worse prognosis. PMID- 29198378 TI - Fantastic Beasts and How To Sequence Them: Ecological Genomics for Obscure Model Organisms. AB - The application of genomic approaches to 'obscure model organisms' (OMOs), meaning species with no prior genomic resources, enables increasingly sophisticated studies of the genomic basis of evolution, acclimatization, and adaptation in real ecological contexts. I consider here ecological questions that can be addressed using OMOs, and indicate optimal sequencing and data-handling solutions for each case. With this I hope to promote the diversity of OMO-based projects that would capitalize on the peculiarities of the natural history of OMOs and could feasibly be completed within the scope of a single PhD thesis. PMID- 29198379 TI - Operative shoulder instability injury management in Australian Football League players: A case series. AB - OBJECTIVES: The purpose of this study was to review the surgical management procedures of shoulder instability injuries in Australian Football League (AFL) players, and determine outcomes regarding return to sport and injury recurrence. DESIGN: Retrospective cohort study. METHODS: Elite AFL players with shoulder instability resulting in surgery were assessed in a retrospective cohort design (72 players/77 shoulders). Type of initial injury, surgical management, return to sport and injury recurrence were obtained. The mean follow-up period post-surgery was 2.9 years. Return to sport outcomes were compared between arthroscopic and open surgery using a Kaplan-Meier survival analysis. Logistic regression modelling was used to determine associations between injury recurrence, type of injury, participant age and method of surgery. RESULTS: Shoulder instability injuries occurred most frequently during tackling (40%). Arthroscopic surgery was preferred for primary shoulder instability. Nine (16%) recurrences occurred in those who underwent arthroscopic surgery compared to two (9%) following open surgery. Return to the elite level was slightly but significantly (2 weeks, p=0.049) longer for open compared to arthroscopic surgery. Recurrence was 5 times more likely if the primary injury was a dislocation and more likely in players who were younger at the time of surgery. CONCLUSION: Tackling was the predominant mechanism for shoulder instability injuries in AFL players and arthroscopic surgery was more commonly performed for primary injuries. Sustaining a dislocation as the primary injury and younger age increased the likelihood of recurrent instability. Careful consideration should be given to the operative management of these individuals. PMID- 29198380 TI - The Priority of Administering HIV Postexposure Prophylaxis in Cases of Sexual Assault in an Emergency Department. AB - INTRODUCTION: Contracting the human immunodeficiency virus (HIV) is a genuine concern for sexually assaulted patients. Emergency departments are a place where sexually assaulted patients seek care, including treatment to prevent HIV. Prompt administration of nonoccupational postexposure prophylaxis is essential because of the time-sensitive nature of the medications. Quality improvement measures at an urban hospital revealed delays in administration of postexposure prophylaxis to these patients. METHODS: A forensic simulation course and checklist was developed for emergency departments to improve care for sexually assaulted patients. Data used for analysis included time of administration of nonoccupational postexposure medication and length of stay before and after intervention with the simulation course and checklist. Points of measurement included student t-test to assess any significant differences and regression analysis to determine associations. RESULTS: When comparing differences between time of nonoccupational postexposure before and after intervention, there was a trend toward improving the time of administration, but it was not found to be significant. Before intervention, an association was found with sexually assaulted patients' lengths of stay and the time that nonoccupational postexposure medication was administered, with a regression equation of R2, 0.76. After intervention, this association was absent, with an R2 of 0.017. DISCUSSION: Implementing a simulation course and checklist for emergency nurses in caring for sexually assaulted patients helps to improve the timeliness of administration of nonoccupational postexposure medications and resolve the association between the length of stay and time of administration of medication. PMID- 29198381 TI - During the Emergency Department Evaluation of a Well-Appearing Neonate with Fever, Should Empiric Acyclovir Be Initiated? AB - BACKGROUND: Herpes simplex virus (HSV) infection represents significant morbidity and mortality in the neonatal period. Although clear guidelines exist on the evaluation and management of the otherwise well-appearing febrile neonate pertaining to occult serious bacterial infections, there is no standardized approach regarding when to initiate testing and treatment for HSV infection. It is vital we establish a unified guideline based on available clinical research to aid in our decision to evaluate and initiate therapy for this disease. METHODS: A PubMed search was performed using the keywords "neonate AND fever AND HSV" and "neonate AND fever AND acyclovir." The time period for the search was May 1982 to May 2016. Identified articles underwent further selection based on relevance to the clinical question. Selected articles then underwent detailed review and structured analysis. RESULTS: Our search identified 93 articles, of which 18 were found to be relevant to our clinical question. Recommendations were then made based on thorough review and analysis of the selected articles. CONCLUSIONS: Neonatal HSV infection carries significant morbidity and mortality if left untreated. High-quality clinical evidence on when to evaluate and treat for possible HSV infection is lacking. Based on available research, HSV infection in the febrile neonate should be strongly considered if age is < 21 days, or if presenting with concerning clinical features. If testing is performed, empiric treatment with high-dose acyclovir should be initiated. Additional research is needed to further clarify which cases mandate evaluation and treatment for HSV, and to better define treatment protocols. PMID- 29198382 TI - Periodic Bleeding Papule in the Umbilical Cicatrix. PMID- 29198383 TI - Comprehensively Assessing the Acute Femoral Cartilage Response and Recovery after Walking and Drop-Landing: An Ultrasonographic Study. AB - We compared the acute response and recovery of ultrasonography (US) cartilage outcomes (i.e., thickness, cross-sectional area, and echo intensity) between walking, drop-landing and control conditions in 43 young adults with no history of lower extremity injury. A femoral cartilage US assessment was performed before and after each condition to determine the acute cartilage response and recovery at 15, 30 and 45 min. Percentage change scores from pre- to all post-time points were used for analysis. Acute cartilage response and recovery were analyzed with a 3 * 4 (condition * time) repeated-measures analysis of variance. Greater deformation of the medial and lateral femoral cartilage was observed immediately after both the walking and drop-landing conditions compared with the control condition. Cartilage deformation after the drop-landing condition required longer time to recover compared with the walking condition. The femoral cartilage deformation was not accompanied by concurrent alterations in cartilage echo intensity. PMID- 29198384 TI - Corrections. PMID- 29198385 TI - Platelet-derived chemokines in inflammation and atherosclerosis. AB - Platelets are inflammatory anuclear cells with a well-established role in the development and manifestation of atherosclerosis. Activated platelets secrete a plethora of chemokines including CXCL4 or platelet factor 4 (PF4), CCL5, CXCL12 or stromal cell derived factor-1alpha (SDF-1alpha), CXCL16 and others, which initiate or promote local inflammatory processes at sites of vascular injury. These processes are mainly mediated by the recruitment of circulating haematopoietic stem cells, neutrophils, monocytes or lymphocytes on vascular wall. Under acute ischemic conditions platelet-derived chemokines may promote the mobilization of bone marrow-derived progenitor cells and their homing at lesion sites. This review focuses on the role of platelet-derived chemokines in inflammation and atherosclerosis. Further, we discuss the clinical value of plasma levels of chemokines in the prognosis of atherosclerotic heart disease. PMID- 29198386 TI - X-Linked Glomerulopathy Due to COL4A5 Founder Variant. AB - Alport syndrome is a rare hereditary disorder caused by rare variants in 1 of 3 genes encoding for type IV collagen. Rare variants in COL4A5 on chromosome Xq22 cause X-linked Alport syndrome, which accounts for ~80% of the cases. Alport syndrome has a variable clinical presentation, including progressive kidney failure, hearing loss, and ocular defects. Exome sequencing performed in 2 affected related males with an undefined X-linked glomerulopathy characterized by global and segmental glomerulosclerosis, mesangial hypercellularity, and vague basement membrane immune complex deposition revealed a COL4A5 sequence variant, a substitution of a thymine by a guanine at nucleotide 665 (c.T665G; rs281874761) of the coding DNA predicted to lead to a cysteine to phenylalanine substitution at amino acid 222, which was not seen in databases cataloguing natural human genetic variation, including dbSNP138, 1000 Genomes Project release version 01-11 2004, Exome Sequencing Project 21-06-2014, or ExAC 01-11-2014. Review of the literature identified 2 additional families with the same COL4A5 variant leading to similar atypical histopathologic features, suggesting a unique pathologic mechanism initiated by this specific rare variant. Homology modeling suggests that the substitution alters the structural and dynamic properties of the type IV collagen trimer. Genetic analysis comparing members of the 3 families indicated a distant relationship with a shared haplotype, implying a founder effect. PMID- 29198387 TI - International Differences in the Location and Use of Arteriovenous Accesses Created for Hemodialysis: Results From the Dialysis Outcomes and Practice Patterns Study (DOPPS). AB - BACKGROUND: Vascular access practice is strongly associated with clinical outcomes. There is substantial international variation in the use of arteriovenous fistulas (AVFs) and grafts (AVGs), as well as AVF maturation time and location. STUDY DESIGN: Prospective cohort study. SETTING & PARTICIPANTS: Hemodialysis patients participating in the prospective Dialysis Outcomes and Practice Patterns Study (DOPPS) from the United States, Japan, and Europe/ANZ (Belgium, France, Germany, Italy, Spain, Sweden, United Kingdom, Australia, and New Zealand), including 3,850 patients receiving 4,247 new AVFs and 842 patients receiving 1,129 new AVGs in 2009 to 2015. AVF location trends were based on 38,868 AVFs recorded in DOPPS 1 to 5 cross-sections (1996-2015). PREDICTORS: Demographics, comorbid conditions, dialysis vintage, body mass index, facility percentage AVF use, median blood flow rate, and AVF location. OUTCOMES: AVF location; successful AVF/AVG use (>=30 days of continuous use); time-to-first successful AVF/AVG use (maturation). RESULTS: During DOPPS 1 to 5, the percentage of AVFs created in the lower arm was consistently >=93% in Japan and 65% to 77% in Europe/ANZ, but in the United States, this value declined from 70% (DOPPS 1) to 32% (DOPPS 5). Patient characteristics associated with AVF location differed by region. Successful AVF use was 87% in Japan, 67% in Europe/ANZ, and 64% in the United States, whereas successful AVG use was 86%, 75%, and 78%, respectively. Successful AVF use was greater for upper- versus lower-arm AVFs in the United States, with little difference in Europe/ANZ and the opposite pattern in Japan. Median time until first successful AVF use was 10 days in Japan, 46 days in Europe/ANZ, and 82 days in United States; until first successful AVG use: 6, 24, and 29 days, respectively. LIMITATIONS: Potential measurement error related to chart data abstraction in multiple hemodialysis facilities. CONCLUSIONS: Large international differences exist in AVF location, predictors of AVF location, successful use of AVFs, and time to first AVF/AVG use, challenging what constitutes best practice. The large US shift from lower- to upper-arm AVFs raises serious concerns about long-term health implications for some patients and how policies and practices aimed at increasing AVF use have affected AVF placement location. PMID- 29198388 TI - Patient-Reported Outcome Measures for Fatigue in Patients on Hemodialysis: A Systematic Review. AB - BACKGROUND: Fatigue is a prevalent and debilitating symptom in patients receiving hemodialysis. We aimed to identify and evaluate the characteristics and psychometric properties of patient-reported outcome measures for fatigue in patients receiving hemodialysis, to inform the selection of a robust and feasible measure for use in randomized trials in hemodialysis. STUDY DESIGN: Systematic review of outcome measures for fatigue. SETTING & POPULATION: Patients receiving hemodialysis. SEARCH STRATEGY & SOURCES: MEDLINE, Embase, PsycINFO, and CINAHL from inception to April 2017 were searched for all studies that reported fatigue in patients receiving hemodialysis. ANALYTICAL APPROACH: With a focus on addressing methods, items (individual questions) from all measures were categorized into content and measurement dimensions of fatigue. We assessed the general characteristics (eg, number of items and cost) and psychometric properties of all measures. RESULTS: From 123 studies, we identified 43 different measures: 24 (55%) were developed specifically for the hemodialysis population (of which 18 were nonvalidated author-developed measures for use in their study only), 17 (40%) for other populations, and 2 (5%) for chronic kidney disease (all stages). The measures assessed 11 content dimensions of fatigue, the 3 most frequent being level of energy (19 [44%]), tiredness (15 [35%]), and life participation (14 [33%]); and 4 measurement dimensions: severity (34 [79%]), frequency (10 [23%]), duration (4 [9%]), and change (1 [2%]). The vitality subscale of the 36-Item Short Form Health Survey (SF-36) was the most frequently used (19 [15%] studies), but has only been tested for reliability in hemodialysis. Of the fatigue-specific measures, the Chalder Fatigue Scale was the only one evaluated in hemodialysis, but the full psychometric robustness remains uncertain. LIMITATIONS: For feasibility, we searched for validation studies in the hemodialysis population using the names of measures identified in the primary search strategy. CONCLUSIONS: A very wide range of measures have been used to assess fatigue in patients receiving hemodialysis, each varying in content and length. Many have limited validation data available in this population. A standardized and psychometrically robust measure that captures dimensions of fatigue that are important to patients is needed to estimate and improve this disabling complication of hemodialysis. PMID- 29198389 TI - Cumulative dose of radiation therapy of hepatocellular carcinoma patients and its deterministic relation to radiation-induced liver disease. AB - This study aimed to investigate the relationship between dose and radiation induced liver disease (RILD) in patients with hepatocellular carcinoma (HCC) receiving 3-dimensional conformal radiotherapy (3DCRT). Twenty-three patients with HCC who received conventional fractionated 3DCRT, including 7 who were diagnosed with classic RILD, were enrolled in this retrospective investigation. Cone-beam computed tomography (CBCT) scans were acquired at the time of treatment for each patient. The beams from each patient's treatment plan were applied to each pretreatment CBCT (the modified CBCT or mCBCT) to construct the delivered dose distribution of the day considering inter-treatment anatomy changes. The daily doses were summed together with the help of deformable image registration (DIR) to obtain the adjusted cumulative dose (Dadjusted). The dose changes to the normal liver between the original planned dose (Dplan) and Dadjusted were evaluated by V20, V30, V40, and the mean dose to normal liver (MDTNL). Univariate analysis was performed to identify the significant dose changes. Among the 23 patients, the liver V20, V30, V40, and MDTNL showed significant differences between Dplan and Dadjusted, with average values of these parameters increased by 4.1%, 4.7%, 4.5%, and 3.9 Gy, respectively (p < 0.05). The adjusted liver dose in 21 patients (91%) was higher than the planned value. For patients without and with RILD,the MDTNL was increased on average by 3.5 Gy and 4.7 Gy, and normal tissue complication probability (NTCP) increased on average by 2.8% and 7.5%, respectively. Our study found that the adjusted cumulative dose based on calculations using pretreatment mCBCT differs significantly from planned dose; the use of the dosimetric results of the initial plan was found to be less predictive of RILD as compared with Dadjusted. Determination of a reconstructed Dadjusted using the mCBCT scans are more accurate in predicting RILD and has the potential to reduce the risk of RILD. PMID- 29198390 TI - Comparison between DVH-based doses and ICRU point-based doses to the rectum and the bladder using CT-based high-dose rate brachytherapy to the cervix. AB - Traditionally, doses to the bladder and the rectum were quantified using the bladder and rectal reference points defined by the International Commission on Radiation Units and Measurements (ICRU) in Report No. 38. In this study, we compared the 0.1-, 1.0-, 2.0-cc doses to the bladder and the rectum with the corresponding ICRU point doses using computed tomography (CT)-based planning in the intracavitary brachytherapy of carcinoma of the cervix. CT datasets of 136 consecutive intracavitary brachytherapy insertions between January and May 2015 were analyzed. The bladder and the rectum were contoured on consecutive CT slices as per Groupe Europeen de Curietherapie and the European Socie Ty for Radiotherapy and Oncology recommendations. Dose volume histograms were generated and doses of 0.1, 1.0, and 2.0 cc to the bladder and the rectum were recorded. ICRU bladder and rectal points were identified in the treatment plan. Mean doses of 0.1, 1.0, and 2.0 cc to the bladder was found to be 2.02, 1.57, and 1.35 times the ICRU point dose, respectively. The maximum dose received by the bladder was found to be 5.83 times the average ICRU point dose. Mean doses of 0.1, 1.0, and 2.0 cc to the rectum were found to be 1.12, 0.90, and 0.78 times the ICRU rectal point dose, respectively. The maximum dose received by the rectum was 4.79 times the average ICRU point dose. The Pearson correlation coefficient value (r) was found to be 0.639 for D2cc and ICRU bladder point values. The Pearson correlation coefficient value was found to be 0.752 for D2cc and ICRU rectal point values. Our results show that the ICRU bladder points underestimated the dose to the bladder, which is in agreement with other studies. ICRU rectal point doses were higher than the corresponding D2cc doses. However, there was a good correlation between D2cc and ICRU point doses for both the bladder and the rectum. PMID- 29198391 TI - Spondylolysis in the past: A case study of hunter-gatherers from Southern Patagonia. AB - Spondylolysis is a fracture of the pars interarticularis, the portion of the neural arch that lies between the superior articular facets and the inferior articular facets. Clinical evidence has suggested repetitive trauma to be the most probable cause, even though morphological weakness of the vertebra is probably also involved. Prevalence is between 3% and 8% in modern populations, while in archaeological samples it varies from 0% to 71.4%. Considering that very little data about this condition is available in past populations from the southern extreme of South America, the aim of this paper is to analyze the spondylolysis in a human skeletal sample from Southern Patagonia and, at the same time, to explore the prevalence of spondylolysis in archaeological contexts around the world to gain a better understanding of the results presented here. The Southern Patagonian skeletal series analyzed here showed a prevalence of 20%, with lower prevalence in the pre contact sample (11.1%) than in the contact period (23.1%). Skeletons from the Salesian Mission "Nuestra Senora de La Candelaria" showed a higher prevalence (25%) than the sample of skeletal remains recovered from outside the mission (20%), suggesting that changes in lifestyle of hunter-gatherers during contact could be implicated in the development of spondylolysis in this sample. A worldwide survey displays a wide range of prevalence figures in American and Asian samples and low diversity between African and European populations. Hunter-gatherers from Southern Patagonia showed similar values to those observed in other American samples. PMID- 29198392 TI - Reprint of-Differential diagnosis: Trepanation. AB - Trepanation is the scraping, cutting, or drilling of an opening (or openings) into the neurocranium. World surveys reveal that a number of ancient cultures experimented with cranial surgery, and that in some areas these practices continued into modern times. Archaeological discoveries of possible trepanations continue to be made, often from geographic areas or time periods from which the practice was not previously known. Unfortunately, most of these reports describe single crania with healed defects interpreted as trepanations. When evaluating a possible trepanation in a skull that lacks medical history or comes from an archaeological context where there is no other evidence that such operations were performed, a thorough differential diagnosis is essential. Identification of unhealed trepanations is a relatively straightforward exercise, since tool marks provide direct evidence of surgical intervention. A confident diagnosis is more difficult in healed defects of the skull, where the mechanism that produced an opening may be obscured by bone remodeling. There are many possible causes of defects of the skull vault, including congenital and developmental anomalies, trauma, infection, neoplasm, and taphonomic damage. For this reason, a careful differential diagnosis is essential for identifying surgical intervention and distinguishing it from cranial defects caused by other mechanisms. PMID- 29198393 TI - Differential diagnosis in archaeology. AB - Diagnosing archaeological bone specimens can be likened to practices used in medical and veterinary medical health care. Increasing the rigor of archaeological diagnosis can be supported by a systematic approach derived from health care settings. The process of information synthesis and diagnosis can be viewed as being very similar among these disciplines. A first diagnostic step is developing an Initial Information Set (sometimes called an Initial Database in health care environments) from descriptive data about the archaeological specimen or the patient, accompanied by recording environmental and ecological observations. The second diagnostic step is to develop an Expanded Information Set that includes structured physical examination, constructing a problem list, and considering potential differential diagnoses for each recorded problem. Subsequently, a Diagnostics Information Set consists of outcomes of carefully selected diagnostic testing, and a Diagnostic Assessment is developed from an orderly mental synthesis of information across Information Sets. Critical aspects of a structured and orderly process are preparing inclusive differential diagnoses, thorough mental synthesis across Information Sets, and recognizing that a short list of the most plausible diagnostic alternatives may represent the furthest possible extent of the evaluation for many archaeological bone specimens. PMID- 29198394 TI - Reestablishing rigor in archaeological parasitology. AB - Archaeological parasitology originated in the mid-twentieth century with interdisciplinary teams of specialists directed by archaeologists. The goals of such studies were detailed analyses of dietary, medicinal, and environmental factors that shaped the patterns of infection. By the 1970s, a cadre of unique coprolite analysts was trained to analyze macroscopic and microscopic remains for integrated reconstructions of the cultural determinants of parasitism. During these first phases of research, diagnostic rigor was maintained by direct training of specialists in parasitology and archaeology sub-disciplines including archaeobotany and archaeopalynology. Near the end of the twentieth century, however, "paleoparasitology" was defined as a separate field focusing on defining parasite distribution through time and space. Ironically, this focus resulted in an increase in misdiagnosis, especially prominent after 2000. Paleoparasitology does not explicitly include other specialized studies in it research design. Thus, dietary, environmental and medicinal inferences have been neglected or lost as samples were destroyed solely for the purpose of parasitological analysis. Without ancillary archaeological studies, paleoparasitology runs the risk of separation from archaeological context, thereby reducing its value to the archaeologists who recover samples for analysis. PMID- 29198395 TI - Digital data recording and interpretational standards in mummy science. AB - Beginning during the late19th century, paleoimaging has played an ever-expanding role in mummy science. Increasingly during the 21st century, digital radiographic data collected through imaging efforts have become significant. The rapid influx of imaging data raises questions regarding standardized approaches to both acquisition and interpretation. Reports using digital data presented without contextual considerations commonly lead to interpretational errors. Digital data recording and interpretation require rigorous methodology and standards in order to achieve reproducibility, accuracy and minimization of inter- and intra observer error. Researchers applying paleoimaging methods in bioarchaeological research must understand the significant limitations inherent in data collection and interpretation from various digital data recording methods. Currently, vast amounts of digital data are being archived, allowing greater potential for hypothesis-based research and informed diagnosis by consensus. Digital databases hold great potential in preparing both radiologists and bioarchaeologists in the appropriate application and interpretation of digital data. PMID- 29198396 TI - No stone unturned: The presence of kidney stones in a skeleton from 19th century Peoria, Illinois. AB - During the excavation of the 19th century Peoria City Cemetery (Peoria, Illinois), a skeleton of a female, aged 20-30 years old, was found with large, bilateral calcified masses in the abdominal region. The masses were analyzed by Fourier transform infrared (FTIR) spectroscopy, and the results compared to published clinical data in an effort to determine the etiology of the stones. The calcified masses were determined to be staghorn struvite uroliths, which commonly result from chronic urinary tract infection and likely impacted the overall health of this individual. PMID- 29198397 TI - Trends in mortality and biological stress in a medieval polish urban population. AB - Urbanization in pre-modern populations may have had a variety of consequences related to population crowding. However, research on the effects of urbanization have provided inconsistent results regarding the biological impact of this transition on human populations. The purpose of this study is to test the hypothesis that urbanization caused an increase in overall biological stress in a medieval (10th-13th centuries AD) Polish population. A human skeletal sample (n=164) was examined for the presence of porotic hyperostosis, cribra orbitalia, linear enamel hypoplasia, periosteal reaction, and specific infectious diseases. Prevalence rates were compared among three temporal samples: initial urbanization, early urbanization, and later urbanization. Results indicate no significant trends for any of the pathological conditions. Cox proportional hazards analyses, however, revealed a significant increase in the risk of death over time, which supports the hypothesis. These results reflect the necessity of using multiple analyses to address bioarchaeological questions. The lack of significant results from skeletal indicators may be due to an earlier urbanization trend in the population. This study illustrates that the association of urbanization with elevated biological stress is complicated and dependent on various factors, including culture and time period. PMID- 29198398 TI - Intestinal parasites from the 2nd-5th century AD latrine in the Roman Baths at Sagalassos (Turkey). AB - The aim of this research was to determine the species of intestinal parasite present in a Roman Imperial period population in Asia Minor, and to use this information to improve our understanding of health in the eastern Mediterranean region in Roman times. We analyzed five samples from the latrines of the Roman bath complex at Sagalassos, Turkey. Fecal biomarker analysis using 5beta-stanols has indicated the feces were of human origin. The eggs of roundworm (Ascaris) were identified in all five samples using microscopy, and the cysts of the protozoan Giardia duodenalis (which causes dysentery) were identified multiple times in one sample using ELISA. The positive G. duodenalis result at Sagalassos is particularly important as it represents the earliest reliable evidence for this parasite in the Old World (i.e. outside the Americas). As both these species of parasite are spread through the contamination of food and water by fecal material, their presence implies that Roman sanitation technologies such as latrines and public baths did not break the cycle of reinfection in this population. We then discuss the evidence for roundworm in the writings of the Roman physician Galen, who came from Pergamon, another town in western Asia Minor. PMID- 29198399 TI - Influence of physiological stress on the presence of hypoplasia and fluctuating asymmetry in a medieval population from the village of Sypniewo. AB - This study aims to estimate the levels of physiological stress in the medieval rural population of Sypniewo by evaluating patterns of fluctuating asymmetry (FA) and enamel hypoplasia (EH), and provide information on the influence of physiological stress during the prenatal and perinatal period on early childhood development. Stress is defined as any external or internal condition that challenges homeostasis of an organism. FA is associated with physiological stress occurring mainly during prenatal development and early childhood. The level of FA is thought to reflect the intensity of the stressor(s). EH is caused by physiological stress such as nutritional instability during the first years of life. The studied material consisted of 126 skulls from the village of Sypniewo (Poland). Cranial radiographs were taken in postero-anterior (P-A) and basal views. The images were scanned and calibrated. Measurements of the cranium were used to estimate FA. The presence of EH was assessed using standard anthropological methods The highest levels of FA were observed in the region of the cranial base. EH was observed in 29% of individuals from the rural skeletal series. There was no statistically significant correlation between FA and EH occurrence or between sex and the studied stress indicators. PMID- 29198400 TI - Osteochondritis Dissecans of skeletal elements of the foot in a 19th century rural farming community from The Netherlands. AB - Osteochondritis Dissecans (OD) is a pathological condition of the subchondral bone and surrounding cartilage of synovial joints, associated with strenuous activity and/or trauma. Reports of OD in archaeological skeletal remains are few and the majority demonstrate low OD prevalence (<1%). A predominantly 19th century skeletal sample from Middenbeemster, the Netherlands, was assessed for OD. The sample included adult individuals of both sexes. There were no definitive OD lesions in non-pedal elements, yet 12.9% of individuals suffered from pedal OD. Few archaeological and clinical reports specify the prevalence of pedal OD. According to the few that do, the Middenbeemster pedal OD prevalence is distinctly high. Several factors could have contributed to this. First, the rural Beemster community was centered around cattle farming, requiring extensive outside work and animal maintenance; thus, increasing the chances of acute/repetitive trauma in the foot. Second, the footwear worn during that period in the Netherlands was the wooden clog. It is suggested that the hard and inflexible clog, which is poor at absorbing shock and limits the movement of the foot, could have resulted in repetitive microtrauma. These two factors combined may have caused a high frequency of OD. PMID- 29198401 TI - Wounded to the bone: Digital microscopic analysis of traumas in a medieval mass grave assemblage (Sandbjerget, Denmark, AD 1300-1350). AB - Battle-related mass burials are considered the most unequivocal evidence of past violence. However, most published studies involve only macroscopic analysis of skeletal remains, commonly arriving only at broad conclusions regarding trauma interpretation. The current study considers a possible avenue for achieving both greater detail and accuracy through digital microscopy. Patterns of injury were investigated among 45 individuals from a Medieval Danish mass grave (Sandbjerget, AD 1300-1350). Injuries were recorded on every anatomical element, except hand and foot bones. Each was photographed and cast, facilitating remote evaluations. Macroscopic analysis was compared with digital microscopy in order to test the relative utility of the latter in characterizing skeletal injuries (mechanism, weapon class, direction, timing of injury). The location of 201 observed injuries, mainly sharp force defects, suggested that many lesions were probably not inflicted by face-to-face opponents. Some microscopic features were indicative of a specific lesion type and weapon class. Digital microscopy was therefore demonstrated to be a complementary tool to macroscopic assessment, enhancing feature observation and quantification and serving to compensate for many of the limitations of macroscopic assessment. PMID- 29198402 TI - Introduction: Scientific rigor in paleopathology. AB - This introductory chapter to the Special Issue on "Scientific Rigor in Paleopathology" serves to orient and introduce the chapters that follow through a detailed consideration of paleopathology as a 21st century intellectual field. In this vein, we first make the significant point that paleopathology is a profoundly interdisciplinary endeavor, encompassing aspects of the biomedical science, the humanities, and the social sciences. Thus, we suggest that no one practitioner can personally command the range of skills necessary for a 21st century paleopathologist. To maintain rigor in differential diagnosis, we emphasize collaborations and consider key concepts that illustrate the basic knowledge from each of these fields that any paleopathologist should command. We then address the manner in which disease diagnosis should proceed as a scientific endeavor. To illustrate scientific rigor in differential diagnosis, we present two case studies drawn from 1970s contributions by Cook and by Buikstra. Finally, we introduce Chapters 2-6, which address differential diagnosis in contexts ranging from specific conditions (scurvy, trepanation) to broader field-wide considerations (paleoparasitology, historical paleopathology, imaging, animal paleopathology). PMID- 29198403 TI - Improving the use of historical written sources in paleopathology. AB - The texts written by the people of past societies can provide key information that enhances our understanding of disease in the past. Written sources and art can describe cultural contexts that not only help us interpret lesions in excavated human remains, but also provide evidence for past disease events themselves. However, in recent decades many biohistorical articles have been published that claim to diagnose diseases present in past celebrities or well known individuals, often using less than scholarly methodology. This article aims to help researchers use historical written sources and artwork responsibly, thus improving our understanding of health and disease in the past. It explores a broad range of historical sources, from medical texts and histories to legal documents and tax records, and it highlights how the key to interpreting any past text is to understand who wrote it, when it was written, and why it was written. Case studies of plague epidemics, crucifixion, and the spinal deformity of King Richard III are then used to highlight how we might better integrate archaeological and historical evidence. When done well, integrating evidence from both archaeological and historical sources increases the probability of a complete and well-balanced understanding of disease in past societies. PMID- 29198404 TI - Paleopathological rigor and differential diagnosis: Case studies involving terminology, description, and diagnostic frameworks for scurvy in skeletal remains. AB - Diverse pathological processes can produce overlapping or even indistinguishable patterns of abnormal bone formation or destruction, representing a fundamental challenge in the understanding of ancient diseases. This paper discusses increasing rigor in differential diagnosis through the paleopathological study of scurvy. First, paleopathology's use of descriptive terminology can strive to more thoroughly incorporate international standards of anatomical terminology. Second, improved observation and description of abnormal skeletal features can help distinguish between anemia or vitamin C deficiency. Third, use of a structured rubric can assist in establishing a more systematic, replicable, and precise decision-making process in differential diagnosis. These issues are illustrated in the study of two new cases of suspected scurvy from northern Peru. From this, it appears possible that ectocranial vascular impressions may further examined as a morphological marker of scurvy in the skeleton. Also, increased paleopathological attention to pellagra is long overdue, especially as it may produce generally comparable lesions to scurvy. This paper reflexively speaks to the process of paleopathological problem solving and the epistemology of our discipline-particularly regarding the ways in which we can continuously improve description and the construction of diagnostic arguments. PMID- 29198405 TI - Intraoperative New-onset Left Ventricle Outflow Tract Obstruction. PMID- 29198406 TI - Comparison of the Effect of Aliskiren Versus Negative Controls on Aortic Stiffness in Patients With Marfan Syndrome Under Treatment With Atenolol. AB - INTRODUCTION AND OBJECTIVES: The aim of this study was to evaluate the effect of aliskiren on aortic stiffness in patients with Marfan syndrome (MS). METHODS: Twenty-eight MS patients (mean age +/- standard deviation: 32.6 +/- 10.6 years) were recruited from November 2009 to October 2014. All patients were receiving atenolol as standard beta-blocker therapy. A prospective randomization process was performed to assign participants to either aliskiren treatment (150-300mg orally per day) or no aliskiren treatment (negative control) in an open-label design. Central aortic distensibility and central pulsed wave velocity (PWV) by magnetic resonance imaging (MRI), peripheral PWV, central aortic blood pressure and augmentation index by peripheral tonometry, and aortic dilatation by echocardiography were examined initially and after 24 weeks. The primary endpoint was central aortic distensibility by MRI. RESULTS: In analyses of differences between baseline and 24 weeks for the aliskiren treatment group vs the negative control group, central distensibility (overall; P = .26) and central PWV (0.2 +/- 0.9 vs 0.03 +/- 0.7 [m/s]; P = .79) by MRI were not significantly different. Central systolic aortic blood pressure tended to be lower by 14mmHg in patients in the aliskiren treatment group than in the control group (P = .09). A significant decrease in peripheral PWV (brachial-ankle PWV) in the aliskiren treatment group (-1.6 m/s) compared with the control group (+0.28 m/s) was noted (P = .005). CONCLUSIONS: Among patients with MS, the addition of aliskiren to beta-blocker treatment did not significantly improve central aortic stiffness during a 24-week period. PMID- 29198407 TI - Needle use and dosimetric evaluation in cervical cancer brachytherapy using the Utrecht applicator. AB - BACKGROUND AND PURPOSE: To analyse the clinical use of needles and examine the feasibility to meet the planning criteria in three fractions of cervical cancer brachytherapy. Furthermore, to investigate whether the needles with the largest discrepancy between application and loading are essential to treatment planning. MATERIALS AND METHODS: For 22 patients we analysed the applied and loaded needle patterns, and examined the dosimetric results for small (<30 cm3) and large (>=30 cm3) CTVHR. We removed from the clinical plans (CP) the needles applied most, but with the lowest loading frequency and intensity and re-optimized these plans (RP). RESULTS: On average 5.8 needles were applied and 4.8 loaded per fraction, with average intensity 22% (17% for small, 29% for large CTVHR). Mid-lateral needles were applied and loaded most frequently and intensely. The average CTVHR D90% prescribed dose was 88.8 Gy (SD 4.2) EQD210, the average OAR [Formula: see text] limit was respected. Omitting the mid-ventral needles, minimal statistically significant differences were found in dose distributions between RP and CP. CONCLUSIONS: Applying on average 5.8 needles per fraction it was possible to meet the planning criteria for targets and OARs in three BT fractions for both small and large CTVHR. The mid-ventral needles were not essential in treatment planning, unless situated in the vicinity of the GTVres. PMID- 29198408 TI - Estimating the number of fractions by tumour site for European countries in 2012 and 2025: An ESTRO-HERO analysis. AB - BACKGROUND AND PURPOSE: The optimal number of radiotherapy fractions is a relevant input for planning resource needs. An estimation of the total number of fractions by country and tumour site is assessed for 2012 and 2025. METHODS: European cancer incidence data by tumour site and country for 2012 and 2025 were extracted from the GLOBOCAN database. Incidence and stage data were introduced in the Australian Collaboration for Cancer Outcomes Research and Evaluation (CCORE) model, producing an evidence-based proportion of incident cases with an indication for radiotherapy and fractions by indication. An indication was defined as a clinical situation in which radiotherapy was the treatment of choice. RESULTS: The total number of fractions if radiotherapy was given according to guidelines to all patients with an indication in Europe was estimated to be 30 million for 2012; with a forecasted increase of 16.1% by 2025, yet with differences by country and tumour. The average number of fractions per course was 17.6 with a small range of differences following stage at diagnosis. Among the treatments with radical intent the average was 24 fractions, while it decreased to 2.5 among palliative treatments. DISCUSSION: An increase in the total number of fractions is expected in many European countries in the coming years following the trends in cancer incidence. In planning radiotherapy resources, these increases should be balanced to the evolution towards hypofractionation, along with increased complexity and quality assurance. PMID- 29198409 TI - Ischemic complications in Takayasu's arteritis: A meta-analysis. AB - OBJECTIVES: Takayasu's arteritis (TAK) is a rare vasculitis affecting the large blood vessels with significant morbidity and mortality from ischemic complications. The objective of this meta-analysis is to determine the proportion of TAK patients with severe ischemic complications. METHODS: We performed a literature search using MEDLINE, EMBASE, and the Cochrane library from database inception to March 2016. We included articles that reported at least one severe ischemic complication. A random effects model with inverse-variance weighting was performed to estimate the pooled proportion of TAK subjects with ischemic complications. RESULTS: In all, 35 studies met inclusion criteria, representing 3262 TAK patients. All studies were observational and of low to moderate quality. Mean age at symptom onset or at diagnosis ranged from 10 to 49 years and mean delay from symptom onset to diagnosis ranged from 2 months to 7.6 years. Study follow-up times were from 22 months to 17 years. The majority of studies had >70% female subjects. The pooled prevalence of stroke in TAK was 8.9% (95% CI: 7.0 10.9%) and of MI was 3.4% (95% CI: 2.1-4.8%) at any time during the disease course. There was moderate-to-severe heterogeneity across the studies (stroke: I2 = 64.9%; MI: I2 = 74.0%). Other ischemic complications were inconsistently reported. CONCLUSION: Stroke and MI are common in TAK patients. Further studies are needed to identify predictors and preventative measures for severe ischemic events in TAK patients. PMID- 29198410 TI - Combined, short-term exposure to reduced seawater pH and elevated temperature induces community shifts in an intertidal meiobenthic assemblage. AB - In future global change scenarios the surface ocean will experience continuous acidification and rising temperatures. While effects of both stressors on marine, benthic communities are fairly well studied, consequences of the interaction of both factors remain largely unknown. We performed a short-term microcosm experiment exposing a soft-bottom community from an intertidal flat in the Westerscheldt estuary to two levels of seawater pH (ambient pHT = 7.9, reduced pHT = 7.5) and temperature (10 degrees C ambient and 13 degrees C elevated temperature) in a crossed design. After 8 weeks, meiobenthic community structure and nematode staining ratios, as a proxy for mortality, were compared between treatments and structural changes were related to the prevailing abiotic conditions in the respective treatments (pore water pHT, sediment grain size, total organic matter content, total organic carbon and nitrogen content, phytopigment concentrations and carbonate concentration). Pore water pHT profiles were significantly altered by pH and temperature manipulations and the combination of elevated temperature and reduced pH intensified the already more acidic porewater below the oxic zone. Meiofauna community composition was significantly affected by the combination of reduced pH and elevated temperature resulting in increased densities of predatory Platyhelminthes, reduced densities of Copepoda and Nauplii and complete absence of Gastrotricha compared to the experimental control. Furthermore, nematode staining ratio was elevated when seawater pH was reduced pointing towards reduced degradation rates of dead nematode bodies. The observed synergistic interactions of pH and temperature on meiobenthic communities and abiotic sediment characteristics underline the importance of multistressor experiments when addressing impacts of global change on the marine environment. PMID- 29198411 TI - Epileptic spasms secondary to acute cerebral and cerebellar encephalitis. AB - BACKGROUND: Patients with infection-related acute encephalitis sometimes develop epilepsy in the chronic phase of the disease. Patients with postencephalitic epilepsy usually develop partial seizures due to the lesions generated by the encephalitis. We report a case who developed late-onset epileptic spasms after acute cerebral and cerebellar encephalitis. CASE REPORT: A 5-year-old girl showed severe tremor, gait ataxia, partial or generalized tonic-clonic seizures, hyperactivity, and panic attacks after a mild enterocolitis. Her cerebellar symptoms disappeared until 3 months after onset, and her seizures were controlled with carbamazepine. However, the seizures reappeared as epileptic spasms 5 months after onset. The anti-NMDA-type glutamate receptor antibody concentration was significantly elevated in her cerebrospinal fluid at 8 days, 10 months, and 15 months after onset. The spasms were resistant to multiple antiepileptic drugs. High-dose methylprednisolone and high-dose immunoglobulin therapies did not show any benefits. Oral pranlukast hydrate was started 17 months after onset. After 3 weeks of the medication, her seizures disappeared, and her behavior also dramatically improved. CONCLUSION: We presented a rare case of post-encephalitic epilepsy that manifested as epileptic spasms. Pranlukast significantly improved her seizures. PMID- 29198412 TI - Intimate partner violence during pregnancy and perinatal mental disorders in low and lower middle income countries: A systematic review of literature, 1990-2017. AB - Mental health consequences of intimate partner violence (IPV) against pregnant and postpartum women are poorly understood in low and lower-middle-income countries (LLMIC). We systematically reviewed the evidence from 24 studies (1990 2017) selected via a comprehensive search strategy with 14 inclusion, exclusion, and quality-control criteria to assess the extent to which intimate partner violence during pregnancy adversely affects perinatal mental disorders among participants in 10 LLMIC across 4 economic regions. Mostly cross-sectional, studies included 61-1369 participants selected randomly (88%) or non-randomly (12%) from purposively selected 1-6 clinics or 1-50 communities. Multivariate logistic regression was most frequently used (68%) for association estimates, adjusting for 3-16 socio-demographic variables pertinent to: women; husbands; and/or households. The prevalence of physical IPV ranged 2-35% among participants; sexual IPV ranged 9-40%; and psychological IPV ranged 22-65%. The prevalence of antenatal and postnatal depression ranged 15-65% and 5-35% among participants, respectively. Suicidal ideation ranged 5-11% during pregnancy and 2 22% during the postpartum period. Study participants who had experienced IPV had 1.69-3.76 and 1.46-7.04 higher odds of antenatal and postnatal depression compared to those who had not, depending on country, and IPV type and severity. Considering the strong association between IPV and mental disorders, efforts should focus on developing IPV interventions aimed at preventing pregnancy during IPV and promoting mental health resilience among pregnancy and postpartum women in low and lower-middle-income countries. PMID- 29198413 TI - Is carotid revascularization worthwhile in patients waiting for kidney transplantation? AB - Renal failure and haemodialysis are associated with an increased risk of cardiovascular disease. Patients undergoing renal transplantation undergo rigorous pre-operative vascular assessment, including optimisation of risk factors for stroke. The indication for carotid intervention and the threshold for carotid endarterectomy in asymptomatic patients with incidental carotid disease has not been clarified in the context chronic kidney disease (CKD). This review aims to analyse outcomes following carotid endarterectomy in patients with CKD, in order to ascertain whether general guidelines for carotid artery revascularisation apply to this specific cohort. The current literature suggests that outcomes following internal carotid artery (ICA) revascularisation are worse in symptomatic and asymptomatic CKD patients compared to the non-CKD population. Consequently, asymptomatic patients with renal failure should be managed conservatively prior to renal transplantation, whilst those with symptomatic disease should be treated according to general guidelines but be informed of higher associated risk of stroke and death. Multidisciplinary optimisation remains essential in all patients waiting for potential renal transplantation. PMID- 29198414 TI - Profiling and determination of phenolic compounds in Indian marketed hepatoprotective polyherbal formulations and their comparative evaluation. AB - BACKGROUND: Nowadays, plants have been considered as powerful agents for treatment of disorders due to their traditional use. Plants have a special role in the treatment of various diseases in Ayurveda. Liver disorders with their devastating outcomes have been discussed in Ayurveda as well. OBJECTIVES: In the present study, polyherbal products (L52 and L38) were retrieved from Ayurveda and its pharmacognostic standardization was performed. MATERIALS AND METHODS: Quality control test for the Ayurveda tablets were performed as per Indian Pharmacopoeia. Dissolution studies of polyherbal Ayurveda marketed formulations were assessed based on the phenolic content. Fingerprinting of phytochemical constituents of L52 and L38 was performed using spectroscopical (like IR and UV) and chromatographic techniques like HPLC, HPTLC and TLC. RESULTS: The results showed that L52 and L38 successfully passed quality control tests. Moreover, L52 and L38 exhibited different pharmacognostic behavior of all herbs present in the product. In addition, TLC, IR, HPTLC and HPLC fingerprinting of L52 and L38 demonstrated the presence of several phenolic constituents corresponding to the polyherbs. CONCLUSION: Regarding the role of phenolic compounds in the treatment of hepatitis, L52 and L38 could be appropriate candidates for hepatitis with respect to their traditional use in Ayurveda formulation. Moreover, HPTLC and HPLC fingerprinting could be utilized as an applicable method for quality control of the prepared formulation. PMID- 29198415 TI - Effects of dairy manure-derived biochar on psychrophilic, mesophilic and thermophilic anaerobic digestions of dairy manure. AB - Effects of dairy manure-derived biochar (M-BC) on methane production in anaerobic digestion (AD) of dry dairy manure were investigated with three different concentrations of biochar (0, 1 and 10 g/L) and temperatures (psychrophilic, 20 degrees C; mesophilic, 35 degrees C; thermophilic, 55 degrees C). Compared with the AD without any biochar, the cumulative methane and yield in the AD with 10 g/L biochar were increased to 27.65% and 26.47% in psychrophilic, 32.21% and 24.90% in mesophilic and 35.71% and 24.69% in thermophilic digestions. The addition of M-BC shortened the lag phases of AD at all temperatures in the study while it lowered the concentration of total VFAs and propionic acid. It was suggested that the high nutrients and alkalinity potential of M-BC (i.e. 9.1% Ca, 3.6% Mg, 1.3% N, 0.14% P) would play significant roles in enhancing methane production and shortening lag phases from the AD of dairy manure. PMID- 29198416 TI - Sleep-disordered breathing and epicardial adipose tissue in patients with heart failure. AB - BACKGROUND AND AIMS: Sleep-disordered breathing (SDB) is common in patients with heart failure (HF), contributes to the progression of cardiac disease, and is associated with adverse prognosis. Previous evidence indicates that epicardial adipose tissue (EAT) is independently associated with sleep apnea in obese individuals. We explored the relationship between SDB and EAT in HF patients. METHODS AND RESULTS: EAT thickness was assessed by echocardiography in 66 patients with systolic HF undergoing nocturnal cardiorespiratory monitoring. A significantly higher EAT thickness was found in patients with SDB than in those without SDB (10.7 +/- 2.8 mm vs. 8.3 +/- 1.8 mm; p = 0.001). Among SDB patients, higher EAT thickness was found in both those with prevalent obstructive sleep apnea (OSA) and those with prevalent central sleep apnea (CSA). Of interest, EAT thickness was significantly higher in CSA than in OSA patients (11.9 +/- 2.9 vs. 10.1 +/- 2.5 p = 0.022). Circulating plasma norepinephrine levels were higher in CSA than in OSA patients (2.19 +/- 1.25 vs. 1.22 +/- 0.92 ng/ml, p = 0.019). According to the apnea-hypopnea index (AHI), patients were then stratified in three groups of SDB severity: Group 1, mild SDB; Group 2, moderate SDB; Group 3, severe SDB. EAT thickness progressively and significantly increased from Group 1 to Group 3 (ANOVA p < 0.001). At univariate analysis, only left ventricular ejection fraction and AHI significantly correlated with EAT (p = 0.019 and p < 0.0001, respectively). At multivariate analysis, AHI was the only independent predictor of EAT (beta = 0.552, p < 0.001). CONCLUSIONS: Our results suggest an association between the presence and severity of sleep apneas and cardiac visceral adiposity in HF patients. PMID- 29198417 TI - The significance of spinal fixation in palliative surgery for spinal metastases. AB - The purpose of this study is to assess appropriate fixation methods for surgical spinal stabilization for spinal metastases. 191 patients who underwent spine surgery for spinal metastases are included in this study. The surgeries included 1) posterior decompression only (29), 2) posterior decompression and fixation (153), and 3) decompression and circumferential fixation (9). We evaluated and compared all cases based upon 1) use of fixation, 2) number of levels included in the fixation, 3) type of fixation, 4) use of bone graft, 5) presence of preoperative collapse of involved vertebrae, and 6) involved area of vertebrae according to Kostuik classification. Progression of vertebral collapse on radiographs or Magnetic Resonance Imaging (MRI) or occurrence of implant failure after surgery was considered a failed case. The number of failed cases was 51 (27%). The factors that were compared between the failed and successful groups were: use of fixation (p < .01), extent of fixation (one level above and one level below affected vertebrae vs. ? two above and two below, p < .01), presence of preoperative collapse of affected vertebrae (p < .05), and ? four of six columns of vertebral involvement according to Kostuik classification (p < .01). All results were statistically significant. In conclusion, when treating metastatic spinal disease with instability, it is recommended that posterior fixation with instrumentation be used and extend at least two levels above and two below the affected vertebrae. Preoperative collapse of affected vertebrae and greater involvement of the vertebrae with metastatic disease results in greater local instability. PMID- 29198418 TI - MRI measurements of the normal pediatric optic nerve pathway. AB - The purpose of this work is to establish a reference scale of optic nerve pathway measurements in pediatric patients according to age using MRI. Optic nerve pathway measurements were retrospectively analyzed using an orbits equivalent sequence on brain MRI scans of 137 pediatric patients (72 male, 65 female, average age = 7.7 years, standard deviation = 5.3). The examinations were performed on a 1.5-T or 3-T Siemens MR system using routine imaging protocols. Measurements include diameters of the orbital optic nerves (OON), prechiasmatic optic nerves (PON), optic tracts (OT), and optic chiasm (OC). Measurements were performed manually by 2 neuroradiologists, using post-processing software. Patients were stratified into five age groups for measurement analyses: (I) 0 1.49 years, (II) 1.5-2.99 years, (III) 3-5.99 years, (IV) 6-11.99 years, and (V) 12-18 years. The observed value range of OON mean diameter was 2.7 mm (Interquartile range (IQR) = 2.4-2.9), PON was 3.2 mm (IQR = 3.05-3.5), OT 2.6 mm (IQR = 2-2.9). A strong positive correlation was established between age and mean diameter of OON (r = 0.73, p < .001), PON (r = 0.59, p < .001), and OT (r = 0.72, p < .001). A significant difference in mean OON diameters was found between age groups I-II (d = 0.3, p = .01), II-III (d = 0.5, p < .001), III-IV (d = 0.5, p < .001) followed by a plateau between IV-V (d = 0.l0, p = .19). OON/OT ratio maintained a steady mean value 1 (IQR = 0.93-1.1) regardless of age (p = .7). The diameter of optic pathways was found to increase as a function of age with consistent positive correlation between nerve and tract for all ages. PMID- 29198419 TI - Disruption of the GH receptor gene in adult mice and in insulin sensitive tissues. AB - To elucidate whether a specific tissue is responsible for the beneficial health and longevity phenotype seen in growth hormone (GH) receptor (R) knockout (GHRKO) mice, the GHR gene was disrupted specifically in insulin sensitive tissues; namely, liver, adipose, and muscle. Furthermore, to investigate if the health- and life-span effects seen in the germline GHRKO mice were replicated when GH action was ablated after puberty; young, adult onset GHRKO mice were produced and characterized. In this review, we summarized the main findings derived from these mouse lines. PMID- 29198420 TI - Circumportal pancreas - a hazardous anomaly in pancreatic surgery. AB - BACKGROUND: Circumportal pancreas (CP) is an anatomical anomaly in the form of abnormal parenchymal fusion between the uncinate process and the pancreatic body, and it requires an additional parenchymal dissection during pancreaticoduodenectomy (PD). This study aimed to investigate the prevalence of CP in PD and to evaluate the incidence of postoperative pancreatic fistula (POPF) among CP patients. METHODS: Patients who underwent PD from 2002 to 2012 (n = 552) were included. Operative records and preoperative images were independently reviewed to identify the presence of CP. The incidence of POPF was compared between CP and non-CP patients and was evaluated via multivariate analysis. RESULTS: CP was confirmed from operative records in 7 (1.3%) patients, and abnormal parenchymal fusion was identified from preoperative images in 8 (1.4%) patients. The incidence of POPF was significantly higher in CP patients than in non-CP patients (71% vs 32%, P = 0.039). On multivariate analysis, CP was an independent predictive factor for POPF (odds ratio, 9.97; 95% confidence interval, 1.76-56.6; P = 0.009). DISCUSSION: Surgeons should heed the presence of CP in PD because this rare anomaly requires an additional parenchymal dissection and may increase the incidence of POPF. PMID- 29198421 TI - Reply. PMID- 29198422 TI - Editorial Comment. PMID- 29198423 TI - Fertility protection: complications of surgery and results of removal and transplantation of ovarian tissue. AB - Fertility-preserving measures are becoming important for patients receiving oncological treatment. One method involves cryopreservation of ovarian tissue and transplanting it when treatment is completed. We report complications resulting from surgical and fertility medicine, and the results of procedures for the removal and transplantation of ovarian tissue carried out within the FertiProtekt network. A survey using a structured questionnaire was conducted among the FertiProtekt network centres between November 2015 and June 2016. The analysis included surgical techniques used to remove and transplant ovarian tissue, surgical complications and results. Laparoscopic removal and transplantation of ovarian tissue have a low risk of complications. Surgical complications occurred in three of the network's 1373 ovarian tissue removals (n = 1302) and transplantations (n = 71); two complications (0.2%) occurred during removal and one during transplantation. Menstruation resumed in 47 out of 58 women (81%) who underwent ovarian tissue transplantation. Hormonal activity occurred in 63.2% of transplantations with a follow-up of 6 months or over. Sixteen pregnancies occurred in 14 patients, with nine births. The risks and complications of removal and transplantation of ovarian tissue are similar to those of standard laparoscopy. These procedures are becoming standard for fertility protection in cancer patients. PMID- 29198425 TI - Providing Care for Lesbian, Gay, Bisexual, and Transgender Immigrants at Health Centers and Clinics. PMID- 29198424 TI - The uterine fibroid/myoma tumour: analysis of the global research architecture using density-equalizing mapping. AB - Uterine fibroids can severely impact a woman's quality of life, result in significant morbidity and are a leading indication for hysterectomy. Many aspects of the disease remain largely obscure. Despite these knowledge gaps, no detailed maps of the global fibroid research architecture have yet been generated. This study used the NewQIS approach to assess worldwide research productivity, encompassing numerous aspects of the scientific output, quality and socioeconomic features. Regression analysis indicated an increase in fibroid research activity in the investigated time periods. Global research output was dominated by leading Western countries, with the USA at the forefront, but also by East Asian countries. Socioeconomic benchmarking revealed that Taiwan had the highest fibroid research activity per GDP, with a calculated average of 279.46 fibroid related publications per 1000 billion USD GDP. Finland was the most active country with respect to research activity per population size. Subject area analyses revealed major differences in research focuses, for example 'Radiology, Nuclear Medicine and Medical Imaging' was assigned to 29.92% of South Korean and to only 10.38% of US-American publications. In conclusion, this analysis of global fibroid research activity illustrates a multitude of important features ranging from quantitative and semi-qualitative fibroid research aspects to socioeconomic benchmarking. PMID- 29198426 TI - Luliconazole, a new antifungal against Candida species isolated from different sources. AB - OBJECTIVE: Luliconazole is an inhibitor for sterol 14-alpha-demethylase in fungal cells with a broad-spectrum antifungal activity against dermatophytes, Candida albicans, Malassezia species, dematiaceous and hyaline hyphomycetes. Furthermore, luliconazole has been clinically used for the treatment of pityriasis versicolor, dermatophytosis, onychomycosis, cutaneous and mucocutaneous candidiasis. In the present study, we aimed to evaluate in vitro antifungal activity of luliconazole against several strains of Candida species recovered from different clinical materials. MATERIALS AND METHODS: In the present study, 104 strains of Candida species including, 34 isolates from vaginitis, 23 isolates from AIDS patients with vaginal candidiasis, 24 isolates from neutropenic patients and 24 isolates from tracheal tubes, were examined for susceptibility tests. A serial dilution of luliconazole (4-0.008MUg/mL) was tested against different strains of Candida species recovered from different sources. RESULTS: The minimum inhibitory concentration (MIC) range and MIC90 of vaginal isolates (HIV-) were 1-0.063 and 1MUg/mL. Furthermore, the most of strains (50%) had a MIC of 0.5MUg/mL. The MIC ranges were similar (2-0.016MUg/mL) for both vaginal (HIV+) and neutropenic patients isolates, whereas, MIC90 for them were 0.5 and 1MUg/mL, respectively. All tracheal tubes strains were inhibited at the range of 2-0.008MUg/mL with MIC90=1MUg/mL. Totally, the lowest MIC50 (MIC=0.015MUg/mL), MIC90 (MIC=1MUg/mL) and MICGM (MIC=0.05MUg/mL) are correlated to C. glabrata, a non-albicans species. CONCLUSION: It is concluded that, luliconazole could be an alternative anti Candida agent, however, in vivo studies must be confirmed usefulness of drug for clinical usage. PMID- 29198427 TI - Towards the identification of ancestrally shared regenerative mechanisms across the Metazoa: A Transcriptomic case study in the Demosponge Halisarca caerulea. AB - Regeneration is an essential process for all multicellular organisms, allowing them to recover effectively from internal and external injury. This process has been studied extensively in a medical context in vertebrates, with pathways often investigated mechanistically, both to derive increased understanding and as potential drug targets for therapy. Several species from other parts of the metazoan tree of life, including Hydra, planarians and echinoderms, noted for their regenerative capabilities, have previously been targeted for study. Less well-documented for their regenerative abilities are sponges. This is surprising, as they are both one of the earliest-branching extant metazoan phyla on Earth, and are rapidly able to respond to injury. Their sessile lifestyle, lack of an external protective layer, inability to respond to predation and filter-feeding strategy all mean that regeneration is often required. In particular the demosponge genus Halisarca has been noted for its fast cell turnover and ability to quickly adjust its cell kinetic properties to repair damage through regeneration. However, while the rate and structure of regeneration in sponges has begun to be investigated, the molecular mechanisms behind this ability are yet to be catalogued. Here we describe the assembly of a reference transcriptome for Halisarca caerulea, along with additional transcriptomes noting response to injury before, shortly following (2h post-), and 12h after trauma. RNAseq reads were assembled using Trinity, annotated, and samples compared, to allow initial insight into the transcriptomic basis of sponge regenerative processes. These resources are deep, with our reference assembly containing >92.6% of the BUSCO Metazoa set of genes, and well-assembled (N50s of 836, 957, 1688 and 2032 for untreated, 2h, 12h and reference transcriptomes respectively), and therefore represent excellent qualitative resources as a bedrock for future study. The generation of transcriptomic resources from sponges before and following deliberate damage has allowed us to study particular pathways within this species responsible for repairing damage. We note particularly the involvement of the Wnt cascades in this process in this species, and detail the contents of this cascade, along with cell cycle, extracellular matrix and apoptosis-linked genes in this work. This resource represents an initial starting point for the continued development of this knowledge, given H. caerulea's ability to regenerate and position as an outgroup for comparing the process of regeneration across metazoan lineages. With this resource in place, we can begin to infer the regenerative capacity of the common ancestor of all extant animal life, and unravel the elements of regeneration in an often-overlooked clade. PMID- 29198429 TI - My Odyssey Through the Changing World of Mental Health. PMID- 29198428 TI - Corrigendum to 'Antimicrobial susceptibility of pathogens isolated from surgical site infections in Japan: Comparison of data from nationwide surveillance studies conducted in 2010 and 2014-2015' [J Infect Chemother 23 (2017) 339-348]. PMID- 29198430 TI - Correlation between mandibular bone density and skeletal bone density in a Catalonian postmenopausal population. AB - OBJECTIVES: The aim of this study was to determine if the mandible (MD) experiences reductions in bone mineral density (BMD) similar to the lumbar spine (LS) and femoral neck (FN) in a postmenopausal population. STUDY DESIGN: A total of 137 postmenopausal women underwent 3 types of densitometric examinations: LS, FN, and MD as measured in 3 regions (MD-R1, MD-R2, and MD-R3), as well as the entire mandible (MD-Net) using a dual photon bone X-ray densitometer. Densitometry of the LS and FN were performed according to the protocol of the International Society for Clinical Densitometry. Mandibular densitometry was performed using a modification of a previous technique, placing the patient in the left lateral decubitus position, with the head supported by a 13-cm-thick cushion above the temporomandibular joint. RESULTS: Significant correlations were found between densitometry results for the LS and the MD, with P values of .021 at MD-R1 (ramus); .001 at MD-R2 (body); .050 at MD-R3 (symphysis), and .001 at MD Net (total mandibular density). No correlation was found between mandibular and FN densitometry (P > .05). CONCLUSIONS: According to the results, for this population, it can be affirmed that the MD responds to osteoporosis in ways similar to the LS. PMID- 29198432 TI - 2017 ESC Guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation. PMID- 29198431 TI - Comments on the 2017 ESC Guidelines for the Management of Acute Myocardial Infarction in Patients Presenting With ST-segment Elevation. PMID- 29198435 TI - Modifications of serum levels of omentin-1 and other cardiovascular risk factors following weight loss secondary to a Mediterranean hypocaloric diet. AB - BACKGROUND & AIMS: Omentin-1 might play a role on insulin resistance, dyslipidemia and obesity. The aim of this investigation was to evaluate the influence of weight loss on omentin-1 concentrations after a hypocaloric diet with Mediterranean pattern. METHODS: A Caucasian sample of 67 obese patients was analyzed before and after 3 months on a hypocaloric diet. Anthropometric parameters, blood pressure, fasting blood glucose, C-reactive protein (CRP), fasting insulin, insulin resistance (HOMA-IR), lipid concentrations and omentin-1 were measured. RESULTS: Sixty-seven obese subjects were enrolled in the study. The mean age was 48.3 +/- 8.0 years (range: 25-66) and the mean BMI 34.5 +/- 4.8 kg/m2 (range: 30.2-40.8). Gender distribution was 50 females (74.6%) and 17 males (25.4%). After dietary intervention and in males and females; body mass index, weight, fat mass, waist circumference, blood pressure, glucose, LDL cholesterol, insulin and HOMA-IR decreased. Omentin-1 levels increase after dietary intervention (males vs females) (delta basal vs 3 months: 10.0 +/- 3.8 ng/dl: p = 0.01 vs 9.9 +/- 4.1 ng/dl; p = 0.03). In the multiple regression analysis adjusted for age and sex; BMI and insulin remained independently associated with baseline and post-treatment levels of omentin-1. CONCLUSIONS: Our investigation showed a significant increase in omentin-1 levels after weight loss secondary to a hypocaloric diet with a Mediterranean pattern. PMID- 29198436 TI - Reprogramming Tumor Blood Vessels for Enhancing Immunotherapy. AB - Angiogenic blood vessels contribute to generating an immunosuppressive tumor microenvironment, in part by limiting the extravasation of T cells. Functional reprogramming of angiogenic blood vessels, for example through angiopoietin-2 blockade, may improve T cell trafficking in tumors and the efficacy of immune checkpoint blockade (ICB) and other cancer immunotherapies. PMID- 29198437 TI - Spinal Cord Injuries and Nerve Dependence in Prostate Cancer. AB - Nerves are emerging as drivers of tumorigenesis, as demonstrated in the mouse where denervation suppresses prostate cancer; however, clinical evidence is needed. Patients with spinal cord injuries (SCIs) resulting in functional denervation of the prostate have a lower incidence of prostate cancer. This may constitute a clinical evidence for nerve dependence in human prostate tumorigenesis. PMID- 29198438 TI - Targeting Oncogenic Transcription Factors: Therapeutic Implications of Endogenous STAT Inhibitors. AB - Misregulation of transcription factors, including signal transducer and activator of transcription (STAT) proteins, leads to inappropriate gene expression patterns that can promote tumor initiation and progression. Under physiologic conditions, STAT signaling is stimulus dependent and tightly regulated by endogenous inhibitors, namely, suppressor of cytokine signaling (SOCS) proteins, phosphatases, and protein inhibitor of activated STAT (PIAS) proteins. However, in tumorigenesis, STAT proteins become constitutively active and promote the expression of progrowth and prosurvival genes. Although STAT activation has been widely implicated in cancer, therapeutic STAT inhibitors are still largely absent from the clinic. This review dissects the mechanisms of action of two families of endogenous STAT inhibitors, the SOCS and PIAS families, to potentially inform the development of novel therapeutic inhibitors. PMID- 29198439 TI - Mitochondrial Transfer in the Leukemia Microenvironment. AB - The bone marrow microenvironment (BMME) is a complex ecosystem that instructs and protects hematopoietic stem cells (HSCs) and their malignant counterparts, the leukemia-initiating cells (LICs). Within the physical and functional crosstalk that takes place between HSCs, LICs, and the BMME, the transfer of organelles and of mitochondria in particular is an important new intercellular communication mode in addition to adhesion molecules, tunneling nanotubes (TNTs), and the paracrine secretion of cytokines, (onco)metabolites, and extracellular vesicles (EVs). In this review we discuss the functional roles of mitochondrial transfer between BMME and leukemic cells, and give insights into this new mechanism of drug resistance whose understanding will open the way to innovative anticancer adjuvant treatments. PMID- 29198440 TI - Fanconi Anemia Signaling and Cancer. AB - The extremely high cancer incidence associated with patients suffering from a rare human genetic disease, Fanconi anemia (FA), demonstrates the importance of FA genes. Over the course of human tumor development, FA genes perform critical tumor-suppression roles. In doing so, FA provides researchers with a unique genetic model system to study cancer etiology. Here, we review how aberrant function of the 22 FA genes and their signaling network contributes to malignancy. From this perspective, we will also discuss how the knowledge discovered from FA research serves basic and translational cancer research. PMID- 29198441 TI - Mitochondria, Bioenergetics and Apoptosis in Cancer. AB - Until recently, the dual roles of mitochondria in ATP production (bioenergetics) and apoptosis (cell life/death decision) were thought to be separate. New evidence points to a more intimate link between these two functions, mediated by the remodeling of the mitochondrial ultrastructure during apoptosis. While most of the key molecular players that regulate this process have been identified (primarily membrane proteins), the exact mechanisms by which they function are not yet understood. Because resistance to apoptosis is a hallmark of cancer, and because ultimately all chemotherapies are believed to result directly or indirectly in induction of apoptosis, a better understanding of the biophysical processes involved may lead to new avenues for therapy. PMID- 29198443 TI - How the human brain introspects about one's own episodes of cognitive control. AB - Metacognition refers to our capacity to reflect upon our experiences, thoughts and actions. Metacognition processes are linked to cognitive control functions that allow keeping our actions on-task. But it is unclear how the human brain builds an internal model of one's cognition and behaviour. We conducted two functional magnetic resonance imaging (fMRI) experiments in which brain activity was recorded 'online' as participants engaged in a memory-guided search task and then later 'offline' when participants introspected about their prior experience and cognitive states during performance. In Experiment 1 the memory cues were task-relevant while in Experiment 2 they were irrelevant. Across Experiments, the patterns of brain activity, including frontoparietal regions, were similar during on-task and introspection states. However the connectivity profile amongst frontoparietal areas was distinct during introspection and modulated by the relevance of the memory cues. Introspection was also characterized by increased temporal correlation between the default-mode network (DMN), frontoparietal and dorsal attention networks and visual cortex. We suggest that memories of one's own experience during task performance are encoded in large-scale patterns of brain activity and that coupling between DMN and frontoparietal control networks may be crucial to build an internal model of one's behavioural performance. PMID- 29198442 TI - Biology Informs Treatment Choices in Diffuse Large B Cell Lymphoma. AB - The effective deployment of rationally developed therapies for diffuse large B cell lymphoma (DLBCL) requires rapid assimilation of new biological data. Within this framework, here we address topical issues at the intersection of DLBCL biology and the clinic. We discuss targeting of B cell receptor (BCR) signaling, with emphasis on identifying patients who may benefit from this maneuver and how to best achieve it. We address strategies to modulate the DLBCL microenvironment, including the use of immune checkpoint inhibitors in selected DLBCL subsets, and the potential activity of alternative antiangiogenic therapies. Lastly, we highlight the emerging recognition of MYC and BCL2 coexpression as the most robust predictor of DLBCL outcome, and discuss rationally conceived experimental approaches to treat these high-risk patients. PMID- 29198445 TI - A deep dive into the left ventricle. PMID- 29198444 TI - Endocrine and metabolic assessment in adults with Langerhans cell histiocytosis. AB - CONTEXT: Diabetes insipidus (DI) is one of most common complications of Langerhans cell histiocytosis (LCH) but prevalence of anterior pituitary deficiencies and metabolic alterations have not been clearly defined yet. OBJECTIVES: Evaluate prevalence of endocrine and metabolic manifestations in a cohort of patients affected by Pulmonary LCH. METHODS: Observational cross sectional study on 18 adults (7 M/11 F, 42+/-12years) studied for complete basal and dynamic endocrine lab tests and glucose metabolism. RESULTS: Hypothalamic pituitary endocrine alterations were found in 9 patients: 9 had DI, 5 Growth Hormone Deficiency (GHD), 5 central hypogonadism, 3 central hypothyroidism and 1 central hypoadrenalism. Hyperprolactinemia and hypothalamic syndrome were found in 2 patients each. All these central endocrine alterations were always associated to DI. Five of the 10 MRI performed showed abnormalities. Prevalence of obesity and glucose alterations (either DM or IFG/IGT) were respectively 39% and 33%, higher than expected basing on epidemiological data on general Italian population. Multi-system-LCH without risk-organ involvement (LCH MS-RO-) seems to have slightly higher prevalence of insulin resistance, glucose alterations and metabolic syndrome than LCH with isolated lung involvement (LCH SS lung+). A papillary BRAFV600E positive thyroid carcinoma was diagnosed in one patient. CONCLUSIONS: The presence of anterior pituitary deficiencies should be systematically sought in all LCH patients with DI both at diagnosis and during the follow-up by basal and dynamic hormonal assessment. Patients with pulmonary LCH, particularly those with MS disease, have a worse metabolic profile than general population. Occurrence of papillary thyroid carcinoma has been reported. PMID- 29198446 TI - Targeted profiling of hydrophilic constituents of royal jelly by hydrophilic interaction liquid chromatography-tandem mass spectrometry. AB - In the present work a Hydrophilic Interaction Liquid Chromatography-tandem Mass Spectrometry (HILIC-MS/MS) method was developed for the efficient separation and quantification of a large number of small polar bioactive molecules in Royal Jelly. The method was validated and provided satisfactory detection sensitivity for 88 components. Quantification was proven to be precise for 64 components exhibiting good linearity, recoveries R% >90% for the majority of analytes and intra- and inter-day precision from 0.14 to 20% RSD. Analysis of 125 fresh royal jelly samples of Greek origin provided useful information on royal jelly's hydrophilic bioactive components revealing lysine, ribose, proline, melezitose and glutamic acid to be in high abundance. In addition the occurrence of 18 hydrophilic nutrients which have not been reported previously as royal jelly constituents is shown. PMID- 29198447 TI - Fabrication and evaluation of magnetic phosphodiesterase-5 linked nanoparticles as adsorbent for magnetic dispersive solid-phase extraction of inhibitors from Chinese herbal medicine prior to ultra-high performance liquid chromatography quadrupole time-of-flight mass spectrometry analysis. AB - In the present study, the preparation of the magnetic phosphodiesterase-5 linked Fe3O4@ SiO2 nanoparticles was successfully achieved by amide reaction and the magnetic phosphodiesterase-5 linked Fe3O4@SiO2 nanoparticles were evaluated as a new adsorbent for magnetic dispersive solid-phase extraction of ligands from medicinal plant samples before the analysis by UHPLC-Q-TOF/MS. The prepared phosphodiesterase-5 linked Fe3O4@SiO2 nanoparticles were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, transmission electron microscopy, vibration sample magnetometer and potential laser particle size analyzer. The effects of EDC concentration, incubation time and bead-protein ratio on the amount of immobilized protein were studied. The main experimental parameters affect extraction efficiency of ligands, such as wash times, wash solvents, incubation pH, ion strength and incubation temperature, were investigated and optimized by using echinacoside as a model compound. The absolute recovery of echinacoside was ranged from 98.36%-102.16% in Cistanche tubulosa sample under the optimal extraction conditions. Good linearity was observed in the investigated concentration range of 0.006 mgmL-1-0.97 mgmL-1(R2 = 0.9999). The limit of detection was 0.002 mgmL-1. The RSDs of within-day and between-day precision were less than 2.3%. Due to the excellent magnetic behavior of Fe3O4@SiO2 nanoparticles, the proposed method was shown to be simple and rapid. Remarkably, the magnetic phosphodiesterase-5 linked Fe3O4@SiO2 nanoparticles could be recycled for ten times with loss of 10% activity. PMID- 29198448 TI - Lithium, magnesium and sulfur purification from seawater using an ion chromatograph with a fraction collector system for stable isotope measurements. AB - We describe the mass descrimination and validation of an offline method for purification of Li, Mg and S with an ion chromatograph coupled to an automated fraction collector for use prior to stable isotope measurements. Significant sub fraction mass fractionation was observed for both the Li and the Mg stable isotope ratios. The lighter Li and heavier Mg isotopes were preferentially retained by the column, resulting in 7Li/6Li and 26Mg/24Mg biases up to 85.80/00 and 0.950/00, respectively. The isotopic compositions of Li, Mg, and S separated from seawater were delta7LiL-SVEC = +30.90/00, delta26MgDSM3 = -0.83 +/- 0.100/00, and delta34SVCDT = +19.4 +/- 0.60/00; each chromatographic peak was completely recovered, and the results were in good agreement with the published values regardless of whether or not chemical suppressor was used. The purification method enables multi-isotope analysis of a sample using various mass spectrometry techniques, such as multiple-collector inductively coupled plasma and thermal ionization mass spectrometry. PMID- 29198449 TI - Effects of Flibanserin on the Pharmacokinetics of a Combined Ethinylestradiol/Levonorgestrel Oral Contraceptive in Healthy Premenopausal Women: A Randomized Crossover Study. AB - PURPOSE: This study aimed to investigate the effect of steady-state exposure to flibanserin, a 5-HT1A agonist/5-HT2A antagonist approved for the treatment of hypoactive sexual desire disorder in premenopausal women, on the single-dose pharmacokinetics of the contraceptive steroids ethinylestradiol and levonorgestrel in healthy premenopausal women. METHODS: Healthy female volunteers (N = 24) received 2 single doses of a combined oral contraceptive containing ethinylestradiol 30 MUg and levonorgestrel 150 MUg, either alone (reference) or preceded by treatment with flibanserin 100 mg once daily for 14 days (test). The 2 treatments were given in randomized order, with a 4-week washout period following the last administration of the first treatment. Plasma concentrations of ethinylestradiol and levonorgestrel were measured over 48 hours after dosing for the determination of pharmacokinetic parameters; the primary end points were Cmax and AUC0-infinity of ethinylestradiol and levonorgestrel. FINDINGS: Of the 24 women enrolled (mean age, 38.0 years), 23 completed the study. Mean (SD) Cmax and AUC0-infinity values of ethinylestradiol were 66.7 (16.3) pg/mL and 693 (268) pg . h/mL, respectively, following the oral contraceptive alone, and 72.7 (25.5) pg/mL and 740 (235) pg . h/mL, respectively, when the oral contraceptive was preceded by flibanserin. In both cases, the 90% CIs of the reference/test ratios of Cmax and AUC0-infinity were within the range of 80% to 125%, indicating that flibanserin had no significant effect on the pharmacokinetic properties of ethinylestradiol. Similarly, the mean (SD) Cmax and AUC0-infinity values of levonorgestrel were 5.0 (1.6) ng/mL and 52.2 (18.7) ng . h/mL, respectively, with the oral contraceptive alone, and 5.0 (1.6) ng/mL and 53.3 (20.4) ng . h/mL, respectively, following flibanserin; again, in both cases, the 90% CIs of the reference/test ratios were within the range of 80% to 125%, indicating that flibanserin had no significant effect on the pharmacokinetic properties of levonorgestrel. All adverse events were mild to moderate in intensity (incidence: 12.5% and 70.8% with ethinylestradiol/levonorgestrel treatment alone and following administration of flibanserin, respectively). IMPLICATIONS: Pretreatment with flibanserin 100 mg once daily for 2 weeks did not produce a clinically relevant change in oral contraceptive drug exposure following single dose administration of ethinylestradiol/levonorgestrel. This finding is relevant to women with hypoactive sexual desire disorder who might prefer oral contraceptives to other forms of birth control. EudraCT No: 2006-006960-46. PMID- 29198451 TI - Development of Microbiota in Infants and its Role in Maturation of Gut Mucosa and Immune System. AB - Dysbiosis of the gut microbiota has been associated with increasing numbers of diseases, including obesity, diabetes, inflammatory bowel disease, asthma, allergy, cancer and even neurologic or behavioral disorders. The other side of the coin is that a healthy microbiota leads to a healthy human development, to a mature and well trained immune system and to an efficient metabolic machinery. What we have learned in adults is in the end the result of a good start, a programmed, healthy development of the microbiota that must occur in the early years of life, probably even starting during the fetal stage. This review aims to present and discuss reports that helps us understand what we have learned of the development of microbiota during the early times of life, from pregnancy to delivery to the early years after birth. The impact of the establishment of "healthy" bacterial communities on human surfaces in the maturation of epithelia, immune system and metabolism will also be discussed. The right process of maturation of the bacterial communities that establish a symbiosis with human surfaces depends on a number of environmental, genetic and temporal factors that need to be understand in order to have tools to monitor a healthy development and eventually intervene to correct undesired courses. PMID- 29198450 TI - Effects of Exercise on Non-motor Symptoms in Parkinson's Disease. AB - Patients with Parkinson's disease experience disabling non-motor symptoms, including autonomic dysfunction, cognitive decline, and sleep disorders. Pharmacologic treatments for these symptoms are often ineffective or have intolerable side effects. Therefore, non-pharmacologic interventions are an attractive alternative. Exercise in particular has the potential to alleviate the progressive impairment related to these non-motor symptoms. In this commentary, we explore available research that addresses the impact of exercise and physical activity on autonomic dysfunction, cognitive impairment, and sleep disorders in Parkinson's disease and suggest areas in need of further study. Many gaps remain in our understanding of the most effective exercise intervention for these symptoms, the mechanisms underlying exercise-induced changes, and the best way to monitor response to therapy. However, available research suggests that exercise is a promising approach to improve non-motor symptoms in patients with Parkinson's disease. PMID- 29198452 TI - Betaglycan (TGFBR3) up-regulation correlates with increased TGF-beta signaling in Marfan patient fibroblasts in vitro. AB - BACKGROUND: Marfan syndrome (MFS), a congenital connective tissue disorder leading to aortic aneurysm development, is caused by fibrillin-1 (FBN1) gene mutations. Transforming growth factor beta (TGF-beta) might play a role in the pathogenesis. It is still a matter of discussion if and how TGF-beta up-regulates the intracellular downstream pathway, although TGF-beta receptor 3 (TGFBR3 or Betaglycan) is thought to be involved. We aimed to elucidate the role of TGFBR3 protein in TGF-beta signaling in Marfan patients. METHODS: Dermal fibroblasts of MFS patients with haploinsufficient (HI; n=9) or dominant negative (DN; n=4) FBN1 gene mutations, leading to insufficient or malfunctioning fibrillin-1, respectively, were used. Control cells (n=10) were from healthy volunteers. We quantified TGFBR3 protein expression by immunofluorescence microscopy and gene expression of FBN1, TGFB1, its receptors, and downstream transcriptional target genes by quantitative polymerase chain reaction. RESULTS: Betaglycan protein expression in FBN1 mutants pooled was higher than in controls (P=.004) and in DN higher than in HI (P=.015). In DN, significantly higher mRNA expression of FBN1 (P=.014), SMAD7 (P=.019), HSP47 (P=.023), and SERPINE1 (P=.008), but a lower HSPA5 expression (P=.029), was observed than in HI. A pattern of higher expression was noted for TGFB1 (P=.059), FN1 (P=.089), and COL1A1 (P=.089) in DN as compared to HI. TGFBR3 protein expression in cells, both presence in the endoplasmic reticulum and amount of vesicles per cell, correlated positively with TGFB1 mRNA expression (Rs=0.60, P=.017; Rs=0.55, P=.029; respectively). TGFBR3 gene expression did not differ between groups. CONCLUSION: We demonstrated that activation of TGF-beta signaling is higher in patients with a DN than an HI FBN1 gene mutation. Also, TGFBR3 protein expression is increased in the DN group and correlates positively with TGFB1 expression in groups pooled. We suggest that TGFBR3 protein expression is involved in up-regulated TGF-beta signaling in MFS patients with a DN FBN1 gene mutation. PMID- 29198453 TI - Effects of rotigotine on clinical symptoms, quality of life and sleep hygiene adequacy in haemodialysis-associated restless legs syndrome. AB - BACKGROUND: Restless legs syndrome (RLS) is a neurological disorder characterised by bothersome symptoms associated with impaired quality of life and sleep hygiene. Rotigotine is a novel therapeutic alternative, although few studies have been published in patients on haemodialysis (HD) with RLS treated with rotigotine. OBJECTIVES: 1.- To establish the prevalence of RLS in our HD unit. 2. To evaluate the efficacy and safety profile of rotigotine and its effect on symptoms, quality of life and sleep hygiene in our HD population with RLS. MATERIAL AND METHODS: A single-centre, 12-week prospective study. Two stages (6 weeks): stage 1 (no treatment) and stage 2 (rotigotine). We analysed: 1.- Demographic data, biochemistry data, HD suitability parameters and RLS medical treatment data. 2.- Lower extremity symptoms questionnaire (QS). 3.- RLS severity symptoms scale (SRLSS). 4.- RLS Quality of life: John Hopkins RLS-QoL (JH-QoL). 5.- Sleep hygiene: SCOPA Scale. RESULTS: We included 66 HD patients, 14 with RLS; 44.4% male, 70.2+/-9.9 years and 111.1+/-160.8 months on HD. And 22.9% RLS. Exclusively in stage 2, a significant improvement for QS (10+/-2.4 vs. 5.7+/ 1.0), SRLSS (21+/-4 vs. 5.7+/-4.6), JH-QoL (22.1+/-4.4 vs. 4.3+/-4.0) and SCOPA (16+/-5.3 vs. 6.7+/-1.9) were observed. A 77.7 and 11.1%, showed partial (> 20%) and complete (> 80%) remission, respectively, while 55.5% achieved "zero" symptoms. Only one patient had gastrointestinal intolerance and none experienced augmentation effect. No changes in biochemical data, suitability for dialysis or medical treatment were found. The inter-group analysis showed a significant improvement in relation to QS, SRLSS, JH-QoL and SCOPA in stage 2. CONCLUSIONS: RLS showed a considerable prevalence in our HD unit. Rotigotine improved clinical symptoms, quality of life and sleep hygiene in RLS patients on HD and was found to be a safe drug with minimal side effects and total therapeutic compliance. Nevertheless, future studies should be performed to confirm the benefits of rotigotine in RLS patients on haemodialysis. PMID- 29198454 TI - Polarity Sorting of Microtubules in the Axon. AB - A longstanding question in cellular neuroscience is how microtubules in the axon become organized with their plus ends out, a pattern starkly different from the mixed orientation of microtubules in vertebrate dendrites. Recent attention has focused on a mechanism called polarity sorting, in which microtubules of opposite orientation are spatially separated by molecular motor proteins. Here we discuss this mechanism, and conclude that microtubules are polarity sorted in the axon by cytoplasmic dynein but that additional factors are also needed. In particular, computational modeling and experimental evidence suggest that static crosslinking proteins are required to appropriately restrict microtubule movements so that polarity sorting by cytoplasmic dynein can occur in a manner unimpeded by other motor proteins. PMID- 29198455 TI - Bovine respiratory syncytial virus seroprevalence and risk factors in feedlot cattle from Cordoba and Santa Fe, Argentina. AB - Bovine respiratory syncytial virus (BRSV) is one of the causative agents of respiratory disease in cattle all over the world, leading to important economic losses. The aim of this work was to determine the seroprevalence of BRSV in feedlot cattle of Argentina and the risk factors associated with the disease. Results showed a high individual seroprevalence of 78.64% (95% confidence interval adjusted [CI]=66.55-90.75%) against the virus. Positive association was found between the presence of high BRSV neutralizing antibody titers, and the following risk factors: cattle age, source of animals, presence of clinical respiratory signs and herd size. This work contributes to updating the understanding of its epidemiology in Argentinean feedlots and poses the need for reevaluating vaccination strategies against this virus in order to control infection and its impact on productivity. PMID- 29198457 TI - Instantaneous Wave-Free Ratio Outcomes and the Epistemology of Ischemia. PMID- 29198456 TI - First-in-Man Fully Percutaneous Complete Bypass of Heart and Lung. PMID- 29198458 TI - Clinical Outcomes According to Fractional Flow Reserve or Instantaneous Wave-Free Ratio in Deferred Lesions. AB - OBJECTIVES: The authors investigated 2-year clinical outcomes according to fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) values in deferred lesions. BACKGROUND: Invasive physiological indices such as FFR or iFR are used in clinical practice to select ischemia-causing stenosis and to guide the treatment strategy for patients with coronary artery disease. METHODS: From the 3V FFR-FRIENDS (3-Vessel Fractional Flow Reserve for the Assessment of Total Stenosis Burden and Its Clinical Impact in Patients With Coronary Artery Disease) study, 821 deferred lesions (n = 374) with both FFR and iFR available were included in this study. The primary outcome was major adverse cardiac events (MACE) (a composite of cardiac death, myocardial infarction, and ischemia-driven revascularization) at 2 years. The lesions were classified according to FFR and iFR cutpoints into concordant normal (Group 1: FFR >0.80 and iFR >0.89), high FFR and low iFR (Group 2: FFR >0.80 and iFR <=0.89), low FFR and high iFR (Group 3: FFR <=0.80 and iFR >0.89), and concordant abnormal (Group 4: FFR <=0.80 and iFR <=0.89). RESULTS: Deferred lesions with low FFR (<=0.80) or low iFR (<=0.89) showed significantly higher rates of 2-year MACE, compared with high FFR (>0.80) or high iFR (>0.89), respectively (7.2% in low FFR vs. 2.4% in high FFR; p < 0.001; 8.1% in low iFR vs. 2.4% in high iFR; p < 0.001). Both FFR and iFR showed significant association with occurrence of MACE as continuous values (hazard ratio [HR] of FFR: 0.570, 95% confidence interval [CI]: 0.337 to 0.963; p < 0.001; HR of iFR: 0.350, 95% CI: 0.217 to 0.567; p < 0.001). When comparing the discriminant ability between FFR and iFR, the c-index was comparable between FFR and iFR (c-index 0.677 vs. 0.685; p = 0.857). Among 4 groups classified according to FFR and iFR levels, only Group 4 with concordant abnormal results showed significantly higher risk of MACE, compared with group 1 (HR: 7.708, 95% CI: 2.621 to 22.667; p < 0.001). CONCLUSIONS: Both FFR and iFR showed significant association with future risk of MACE in deferred lesions. The discordant results between FFR and iFR were not associated with the increased risk of MACE. The risk of MACE was significantly increased only in lesions with abnormal results of both FFR and iFR. PMID- 29198459 TI - How and When to Evaluate Nonculprit Lesions in ST-Segment Elevation Myocardial Infarction. PMID- 29198460 TI - Combined Transcatheter Treatment of Ventricular Septal Rupture and Mitral Regurgitation After an Acute Myocardial Infarction. PMID- 29198461 TI - Nonculprit Stenosis Evaluation Using Instantaneous Wave-Free Ratio in Patients With ST-Segment Elevation Myocardial Infarction. AB - OBJECTIVES: The aim of this study was to examine the level of agreement between acute instantaneous wave-free ratio (iFR) measured across nonculprit stenoses in patients with ST-segment elevation myocardial infarction (STEMI) and iFR measured at a staged follow-up procedure. BACKGROUND: Acute full revascularization of nonculprit stenoses in STEMI is debated and currently guided by angiography. Acute functional assessment of nonculprit stenoses may be considered. METHODS: Immediately after successful primary culprit intervention for STEMI, nonculprit coronary stenoses were evaluated with iFR and left untreated. Follow-up evaluation with iFR was performed at a later stage. iFR <0.90 was considered hemodynamically significant. RESULTS: One hundred twenty patients with 157 nonculprit lesions were included. Median acute iFR was 0.89 (interquartile range [IQR]: 0.82 to 0.94; n = 156), and median follow-up iFR was 0.91 (interquartile range: 0.86 to 0.96; n = 147). Classification agreement was 78% between acute and follow-up iFR. The negative predictive value of acute iFR was 89%. Median time from acute to follow-up evaluation was 16 days (IQR: 5 to 32 days). With follow up within 5 days after STEMI, no difference was observed between acute and follow up iFR, and classification agreement was 89%. With follow-up >=16 days after STEMI, acute iFR was lower than follow-up iFR, and classification agreement was 70%. CONCLUSIONS: Acute iFR evaluation appeared valid for ruling out significant nonculprit stenoses in patients with STEMI undergoing primary percutaneous coronary intervention. The time interval from acute to follow-up iFR influenced classification agreement, suggesting that inherent physiological disarrangements during STEMI may contribute to classification disagreement. PMID- 29198462 TI - The Relationship Between Automated Office and Awake Ambulatory Blood Pressure May Be Different at Thresholds for Diagnosis and Target for Therapy. PMID- 29198463 TI - Comparability of Automated Office Blood Pressure to Daytime 24-Hour Ambulatory Blood Pressure. AB - BACKGROUND: Clinical practice guidelines endorse automated office blood pressure (AOBP) measurement as the preferred in-office measurement modality. However, recent data indicate that this method may underestimate daytime ambulatory BP. The objective of this study was to further assess the comparability of mean AOBP and daytime ambulatory BP in clinical practice. METHODS: A retrospective cross sectional chart review was conducted of 96 consecutive patients referred from primary or specialty care practices to a tertiary care ambulatory BP monitoring service. Six AOBP readings were taken using an appropriately cuffed BpTRU (BpTRU Medical Devices, Coquitlam, Canada) device on the nondominant arm and no rest period (first reading discarded). Twenty-four-hour ambulatory BP monitoring was then performed. Between-group means were compared with paired t tests. The proportion of patients with differences of >= 5, 10, and 15 mm Hg was tabulated. RESULTS: Mean age was 52.6 +/- 16.7 years, 60% were women, and 79% had previously diagnosed hypertension. Mean AOBPs were 130.8 +/- 15.5/82.3 +/- 10.7 mm Hg, and mean daytime ambulatory BPs were 142.8 +/- 14.9/83.9 +/- 11.2 mm Hg (difference of -11.9 +/- 13.5/-1.6 +/- 7.6; P < 0.001 for systolic BP and P < 0.04 for diastolic BP). Between-group differences were greater in patients with previous hypertension and in those with daytime ambulatory BP levels >= 135 mm Hg. The proportions of patients with systolic or diastolic BP differences of >= 5, 10 and 15 mm Hg were 89%, 52%, and 33%, respectively. CONCLUSIONS: Mean AOBP underestimates daytime ambulatory BP. Variability between the 2 methods is high. These findings do not support the premise that AOBP closely approximates daytime ambulatory BP. PMID- 29198464 TI - Corrigendum to "Trends in insurance coverage and treatment among persons with opioid use disorders following the affordable care act" [Drug Alcohol. Depend. 179 (2017) 271-274]. PMID- 29198465 TI - Linear sound attenuation model for assessing external stimuli in prenatal period. AB - The popularization of acoustic stimulation during the prenatal period encourages the analysis of sounds reaching the inside of the uterus. To assess the distortion of any sound stimuli, a mathematical model of attenuation has to be used. In this paper a mathematical model is proposed on the basis of data from a physical model. The physical model consisted of muscle slices of two different thicknesses placed in a tank filled with water. The amplitudes of sinusoidal waves between 160 and 2000 Hz were measured under the water surface. Using the collected data, a linear mathematical model of sound attenuation on the way to the fetal ear was created. The results indicated a rise in the amount of sound attenuation for increasing frequencies. Analysis of slope coefficients for two muscle thicknesses revealed that there is no significant difference between attenuation by the thinner and the thicker tissue. Finally, the model was verified with data obtained during experiments on animals. The proposed model of the sound transmission allowed assessment of the attenuation by a soft tissue. It reveals changes in the sound reaching fetal ears, which can make acoustic stimulation different than what is heard in postnatal life. The model can be used to simulate the distortion of any sound which is proposed to prenatal stimulation and to assess its quality. PMID- 29198466 TI - Exertional myalgia, contractures and annular erythema in a patient with muscle lactate dehydrogenase (LDH) deficiency. PMID- 29198467 TI - Using CRISPR to inactivate endogenous retroviruses in pigs: an important step toward safe xenotransplantation? AB - Xenotransplantation could theoretically provide an unlimited supply of organs for patients living with end-stage kidney disease and other end-stage organ failure, but severe rejection and concerns about possible transmission of zoonotic infections remain important obstacles. In a recent study, investigators used CRISPR-cas9 to generate genetically modified pigs in which all endogenous retroviruses were inactivated. This approach may address one important barrier to the feasibility of clinical trials of xenotransplantation. PMID- 29198468 TI - High and low sodium intakes are associated with incident chronic kidney disease in patients with normal renal function and hypertension. AB - The association between salt intake and renal outcome in subjects with preserved kidney function remains unclear. Here we evaluated the effect of sodium intake on the development of chronic kidney disease (CKD) in a prospective cohort of people with normal renal function. Data were obtained from the Korean Genome and Epidemiology Study, a prospective community-based cohort study while sodium intake was estimated by a 24-hour dietary recall Food Frequency Questionnaire. A total of 3,106 individuals with and 4,871 patients without hypertension were analyzed with a primary end point of CKD development [a composite of estimated glomerular filtration rate (eGFR) under 60 mL/min/1.73 m2 and/or development of proteinuria during follow-up]. The median ages were 55 and 47 years, the proportions of males 50.9% and 46.3%, and the median eGFR 92 and 96 mL/min/1.73 m2 in individuals with and without hypertension, respectively. During a median follow-up of 123 months in individuals with hypertension and 140 months in those without hypertension, CKD developed in 27.8% and 16.5%, respectively. After adjusting for confounders, multiple Cox models indicated that the risk of CKD development was significantly higher in people with hypertension who consumed less than 2.08 g/day or over 4.03 g/day sodium than in those who consumed between 2.93-4.03 g/day sodium. However, there was no significant difference in the incident CKD risk among each quartile of people without hypertension. Thus, both high and low sodium intakes were associated with increased risk for CKD, but this relationship was only observed in people with hypertension. PMID- 29198469 TI - Novel Small-Molecule Inhibitors of Protein Kinase C Epsilon Reduce Ethanol Consumption in Mice. AB - BACKGROUND: Despite the high cost and widespread prevalence of alcohol use disorders, treatment options are limited, underscoring the need for new, effective medications. Previous results using protein kinase C epsilon (PKCepsilon) knockout mice, RNA interference against PKCepsilon, and peptide inhibitors of PKCepsilon predict that small-molecule inhibitors of PKCepsilon should reduce alcohol consumption in humans. METHODS: We designed a new class of PKCepsilon inhibitors based on the Rho-associated protein kinase (ROCK) inhibitor Y-27632. In vitro kinase and binding assays were used to identify the most potent compounds. Their effects on ethanol-stimulated synaptic transmission; ethanol, sucrose, and quinine consumption; ethanol-induced loss of righting; and ethanol clearance were studied in mice. RESULTS: We identified two compounds that inhibited PKCepsilon with Ki <20 nM, showed selectivity for PKCepsilon over other kinases, crossed the blood-brain barrier, achieved effective concentrations in mouse brain, prevented ethanol-stimulated gamma-aminobutyric acid release in the central amygdala, and reduced ethanol consumption when administered intraperitoneally at 40 mg/kg in wild-type but not in Prkce-/- mice. One compound also reduced sucrose and saccharin consumption, while the other was selective for ethanol. Both transiently impaired locomotion through an off-target effect that did not interfere with their ability to reduce ethanol intake. One compound prolonged recovery from ethanol-induced loss of righting but this was also due to an off-target effect since it was present in Prkce-/- mice. Neither altered ethanol clearance. CONCLUSIONS: These results identify lead compounds for development of PKCepsilon inhibitors that reduce alcohol consumption. PMID- 29198471 TI - Sympatric Speciation in the Genomic Era. AB - Sympatric speciation has been of key interest to biologists investigating how natural and sexual selection drive speciation without the confounding variable of geographic isolation. The advent of the genomic era has provided a more nuanced and quantitative understanding of the different and often complex modes of speciation by which sympatric sister taxa arose, and a reassessment of some of the most compelling empirical case studies of sympatric speciation. However, I argue that genomic studies based on contemporary populations may never be able to provide unequivocal evidence of true primary sympatric speciation, and there is a need to incorporate palaeogenomic studies into this field. This inability to robustly distinguish cases of primary and secondary 'divergence with gene flow' may be inconsequential, as both are useful for understanding the role of large effect barrier loci in the progression from localised genic isolation to genome wide reproductive isolation. I argue that they can be of equivalent interest due to shared underlying mechanisms driving divergence and potentially leaving similar patterns of coalescence. PMID- 29198472 TI - Soft-tissue sarcoma risk in childhood cancer survivors. PMID- 29198470 TI - Parental Advisory: Maternal and Paternal Stress Can Impact Offspring Neurodevelopment. AB - Parental stress exposures are implicated in the risk for offspring neurodevelopmental and neuropsychiatric disorders, prompting critical examination of preconception and prenatal periods as vulnerable to environmental insults such as stress. Evidence from human studies and animal models demonstrates the influence that both maternal and paternal stress exposures have in changing the course of offspring brain development. Mechanistic examination of modes of intergenerational transmission of exposure during pregnancy has pointed to alterations in placental signaling, including changes in inflammatory, nutrient sensing, and epigenetic pathways. Transmission of preconception paternal stress exposure is associated with changes in epigenetic marks in sperm, with a primary focus on the reprogramming of DNA methylation, histone posttranslational modifications, and small noncoding RNAs. In this review, we discuss evidence supporting the important contribution of intergenerational parental stress in offspring neurodevelopment and disease risk, and the currently known epigenetic mechanisms underlying this transmission. PMID- 29198473 TI - Upfront resection of pancreatic intraductal neoplasms. PMID- 29198474 TI - Identifying precursor lesions of pancreatic cancer. PMID- 29198476 TI - Unilateral hand training on functional performance in patients with upper extremity trauma. AB - STUDY DESIGN: Case series. INTRODUCTION: Upper extremity (UE) trauma and subsequent immobilization affects functional performance. PURPOSE OF THE STUDY: Determine the usefulness and feasibility of unilateral hand training (UHT) on improving functional performance in patients with UE trauma. METHODS: Nine participants received UHT within 10 days of immobilization. Functional performance, dexterity, grip, and pinch strength were measured at initial and 4 week visits. Qualitative interviews were coded to develop themes. RESULTS: All Jebsen-Taylor hand function test subtests improved from pretest to post-test. Disabilities of the Arm, Shoulder and Hand scores of all 9 participants improved. Functional performance was more impaired for participants with dominant UE injury. Four themes emerged: participants were forced to alter or avoid most daily activities, had an increased dependency on others, took longer to perform activities, and felt UHT decreased the impact of UE trauma on function. DISCUSSION: Functional performance was impaired for all participants. Participants believed that UHT was useful and contributed to improved function. CONCLUSION: This case series tracked a comprehensive intervention based on a holistic activities of daily living framework that considered the nuances of individual complexities of immobilization following hand trauma. Knowledge from this study supports an early intervention like UHT to educate clients on effective strategies to improve immediate activities of daily living functioning and potentially prevent longer term impairments. PMID- 29198475 TI - Learning to live with a hand nerve disorder: A constructed grounded theory. AB - STUDY DESIGN: Grounded theory. INTRODUCTION: The broader perspective of health offered by the World Health Organization's International Classification of Functioning, Disability and Health has had a significant bearing on how we view the measurement of health outcomes after surgical or therapy interventions for peripheral nerve disorders affecting the hand. The value of the patient's perspective is now recognized and outcomes which reflect this are being advocated in the clinical management and support of this population. PURPOSE OF THE STUDY: This qualitative study sought to explore the lived experience of a hand nerve disorder and in particular the impact on body structure/function, activities, and participation. METHODS: In depth, one-to-one interviews with 14 people with a range of hand nerve disorders were conducted. Constructivist grounded theory methods were used to collect and analyze the data. Patients were also given the option of taking photographs to visually represent what it is like to live with a nerve disorder, to bring with them for discussion during the interview. RESULTS: The impact of hand nerve disorders forms part of a wider narrative on adaptation. A process of "struggling" and then "overcoming" was experienced. This was followed by an interior aspect of adaptation described as "accepting." This gave rise to participants "transforming," being changed as a result of the journey that they had been on. CONCLUSIONS: This study provides an explanatory theory on the adaptive process following a hand nerve disorder which may inform future patient-therapist interactions. PMID- 29198477 TI - The assessment of psychological factors on upper extremity disability: A scoping review. AB - INTRODUCTION: The primary purpose of this scoping review was to describe the nature and extent of the published research that assesses the relationship between psychological features and patient-reported outcome following surgery or rehabilitation of upper extremity disease or injury. METHODS: Twenty-two included studies were examined for quantitative study design, outcome measure, inclusion/exclusion criteria, follow-up and recruitment strategy. Patient population and psychological assessment tools were examined for validity. RESULTS: Twenty-two studies met the inclusion criteria for this study. Only 7 of the 22 studies were longitudinal and the rest were cross sectional studies. Depression was the most common psychological status of interest and was included in 17 studies. Pain catastrophizing was the psychological status of interest in 5 of the studies. Four studies considered anxiety, 3 considered pain anxiety, 3 considered distress, 2 considered coping, 2 considered catastrophic thinking, and 2 considered fear avoidance beliefs. DISCUSSION: The majority of studies in this review were cross-sectional studies. Cross-sectional studies may not provide conclusive information about cause-and-effect relationships. This review encourages clinicians to be mindful of the psychological implications found in rehabilitation of individuals with upper extremity disease or injury along with being cognizant of choosing appropriate measurement tools that best represent each patient's characteristics and diagnoses. CONCLUSIONS: The nature of the research addressing psychological factors affecting outcomes after hand injury focus on negative traits and have limited strength to suggest causation as most have used cross-sectional designs. Stronger longitudinal designs and consideration of positive traits are needed in future studies. PMID- 29198478 TI - The evaluation of a home-based program for hands in patients with systemic sclerosis. AB - STUDY DESIGN: This study used a quasi-experimental design where patients were evaluated before and after participation in the self-management program. INTRODUCTION: Hands are commonly affected in systemic sclerosis (SSc). Strategies to maintain or improve hand function are indicated upon diagnosis and throughout the course of the disease. PURPOSE OF THE STUDY: The purpose of this study was to develop and evaluate a home-based program for hands in patients with SSc. METHODS: A home-based self-management program that consisted of concise instructions about SSc and hand exercises was developed and evaluated in a group of patients with SSc during 8 weeks. Primary outcome measures were hand pain (Visual Analogue Scale) and hand function (Cochin Hand Function Scale). Secondary outcome measures were disability (Scleroderma Health Assessment Questionnaire), finger motion (delta finger-to-palm), grip strength, tip and key pinch strength, Raynaud phenomenon and digital ulcers impact, quality of life (Short Form Health Survey). For comparisons between different times analysis of variance for repeated measures was used. To calculate the effect size (ES), the Cohen's test was performed. To evaluate skin moisturizing and warming habits before and after intervention, the McNemar test was used. Statistical significance was set at P <= .05. RESULTS: Twenty-two SSc patients (19 women: 3 men; 16 limited scleroderma: 6 diffuse scleroderma) completed the program. Significant improvements were noted for hand pain (3.97 vs 2.21, ES: 0.69), Cochin Hand Function Scale (19.24 vs 12.48, ES: 0.48), Scleroderma Health Assessment Questionnaire (0.95 vs 0.48, ES: 1.01), delta finger-to-palm (92.86 vs 106.33, ES: 0.40), grip strength (14.43 vs 19, ES: 0.58), tip pinch strength (2.49 vs 4.18, ES: 1.15), key pinch strength (4.01 vs 5.22, ES: 0.76), Raynaud phenomenon impact (0.94 vs 0.47, ES: 0.75), Short Form Health Survey-role physical (47.38 vs 60.14, ES: 0.61), physical functioning (34.62 vs 61.9, ES: 0.18), social functioning (60.71 vs 75.6, ES: 0.64), bodily pain (50.55 vs 63.38, ES: 0.58), vitality (45.95 vs 62, ES: 2.22), mental health (56.62 vs 72.38, ES: 0.84) moisturizing, and cold avoidance habits. Patients considered the program easy to follow with no adverse effects related to exercises. DISCUSSION: We developed a home based hand care program to be offered to SSc patients. Improvements in hand function, strength, disability, motion, and overall quality of life were independent of age, income, education level, disease duration, and skin score. Our findings support those of other studies that reported the benefits of hand exercises in SSc. Some study limitations include the lack of a control group, the small number of subjects and the short-time follow up. CONCLUSIONS: This home-based program for patients with SSc improved hand pain, function, mobility, and strength at the end of 8 weeks. Patient adherence and sustained efficacy is still to be determined. PMID- 29198479 TI - Multimodal custom orthosis to promote hook fist. PMID- 29198480 TI - Peptides isolated from animal venom as a platform for new therapeutics for the treatment of Alzheimer's disease. AB - Alzheimer's disease (AD) is a progressive neurodegenerative disease that deeply affects patients, their family and society. Although scientists have made intense efforts in seeking the cure for AD, no drug available today is able to stop AD progression. In this context, compounds isolated from animal venom are potentially successful drugs for neuroprotection, since they selectively bind to nervous system targets. In this review, we presented different studies using peptides isolated from animal venom for the treatment of AD. This is a growing field that will be very helpful in understanding and even curing neurodegenerative diseases, especially AD. PMID- 29198481 TI - Is it better to bend wires occlusally or apically during placement of arch bars for intermaxillary fixation? AB - We evaluated 78 patients who had intermaxillary fixation (IMF) of fractured mandibular condyles with arch bars and wires. Depending on whether the wires were bent apically or occlusally during placement of the arch bars, we randomly divided the patients into two groups (n=39 in each), then compared pain, satisfaction with oral hygiene, and complications between the groups at five to six weeks postoperatively when the arch bars were removed. Outcomes were significantly better in the occlusal group than in the apical group. PMID- 29198482 TI - Prognosis of oral cancer: a comparison of the staging systems given in the 7th and 8th editions of the American Joint Committee on Cancer Staging Manual. AB - The 8th edition of the American Joint Committee on Cancer (AJCC) Staging Manual introduces "depth of invasion" and "extranodal extension" into the head and neck section, and our aim was to find out if these changes have an impact on prognosis. We evaluated 174 patients who had had oral squamous cell carcinomas (SCC) resected between 2003 and 2012. The clinical records were reviewed, the patients' tumours restaged according to the 8th edition of the AJCC, and we analysed five-year survival to verify whether different correlations were made between the T and N stages and disease-specific survival using the 7th and 8th editions. We excluded seven cases because information was incomplete, and the final sample was 167 patients. The five-year overall survival was 68% and the five-year disease-specific survival was 78%. The variable pT was upstaged in 51 patients (31%), and no tumour was downstaged. When we used the 7th edition, the pT category did not correlate with survival (p=0.055), but when we used the 8th edition, there was a significant association between increased pT categories and disease-specific survival (p=0.01). In the pN category 23 cases were upstaged (14%) and this affected disease-specific survival using both the 7th and the 8th editions (p=0.001). When patients were restaged, there was an improvement in discrimination between T categories in relation to disease-specific survival, and confirmation of the prognostic impact of the variable pN. T stage and depth of invasion are complementary predictors of disease-specific survival, and their combination results in the new AJCC staging system giving a better prognosis. PMID- 29198483 TI - Making and working of a new electronic resource for patients, carers and professionals: maxfacts.uk. AB - Many maxillofacial patients have serious short, medium, or long-term problems, as well as having to make informed decisions about often life-changing interventions. Validated comprehensive information, at the right time and the right level for a diverse group of users (patients, carers, and professionals), is vital if patients are to make a serious contribution to their treatment. We describe the development of an online resource for this purpose. Maxfacts.uk aims to cover every aspect of oral and maxillofacial surgery and care, from neck dissection and ballistic wounds to physiotherapy and texture-modified foods. The principles of design, and the multilayered structure, interface, and functions of such a multiuser website are outlined, including accessibility and engagement. The maxfacts model and design could easily be adapted for other users with similar, complex, long-term needs. PMID- 29198484 TI - Retroseptal transconjunctival approach for fractures of the zygomaticomaxillary complex: a retrospective study. AB - We designed a retrospective study to evaluate the efficacy of retroseptal transconjunctival approaches in the management of fractures of the zygomaticomaxillary complex (ZMC). The patients were from a single institution, and had had three-point fixation of fractures of the ZMC between 2008 and 2016. A total of 77 patients (56 men and 21 women with a mean (range) age of 28 (18-54) years), were divided into two groups. Group I (n=51) had had reduction and fixation of the infraorbital rim using a retroseptal transconjunctival approach. In group II (n=26) the same approach had been used with lateral canthotomy and inferior canthlolysis for both the infraorbital rim and the zygomaticofrontal region. We analysed the association of both approaches with the outcomes of reduction, fixation, and complications. Suboptimal results were found in 13 patients in group I and one in group II (p=0.017). There were also three patients with trichiasis and two with entropion in group I, and one each of both complications in group II. There was only one patient with a malopposed lateral canthus in group II. All 26 patients in group II had no perceptible scar along the extended line of incision. The risk of a suboptimal outcome was reduced by 20% (relative risk=0.8) in group II. The retroseptal transconjunctival approach with lateral canthotomy and inferior cantholysis is safe, aesthetic, and effective in the management of fractures of the ZMC. PMID- 29198485 TI - Nodular fasciitis of the temporomandibular joint: a case report. AB - Nodular fasciitis is a relatively rare benign lesion of the soft tissue, which often presents in the fascia or deep subcutaneous tissues. It most commonly presents in the upper extremities and trunk and the head and neck region, particularly in younger patients. Its pathogenesis is poorly understood and it is predominantly thought to be a reactive lesion, although some have suggested that it may be a benign neoplasm. Advances in molecular testing and imaging have greatly assisted diagnosis. We discuss the benefits of ubiquitin-specific protease 6 (USP6) gene rearrangement testing and magnetic resonance imaging (MRI) to aid this uncommon diagnosis. PMID- 29198486 TI - The Future of Exercise Tolerance Testing. PMID- 29198487 TI - Successful Endoscopic Resection of an Endobronchial Lipoma Using a Percutaneous Gastrostomy Snare Device. PMID- 29198489 TI - Opiate use disorders and overdose: Medical students' experiences, satisfaction with learning, and attitudes toward community naloxone provision. AB - INTRODUCTION: Opiate use disorder is a common condition in healthcare services in Ireland, where over 200 opiate overdose deaths occur annually. There is limited addiction medicine education at undergraduate level and medical graduates may not be adequately prepared to diagnose and manage opioid use disorders and emergency drug overdose presentations. Therefore, we examined final-year medical students' learning experiences and attitudes toward opioid use disorder, overdose and community naloxone provision as an emerging overdose treatment. METHODS: We administered an anonymous paper-based survey to 243 undergraduate medical students undertaking their final professional completion module prior to graduation from University College Dublin, Ireland. Results were compared with parallel surveys of General Practitioners (GPs) and GP trainees. RESULTS: A total of 197 (82.1%) completed the survey. Just under half were male, and most were aged under 25 (63.3%) and of Irish nationality (76.7%). The students felt moderately prepared to recognise opioid use disorder, but felt less prepared to manage other aspects of its care. Most had taken a history from a patient with an opioid use disorder (82.8%), and a third had witnessed at least one opioid overdose. Although 10.3% had seen naloxone administered, most had never administered naloxone themselves (98.5%). Half supported wider naloxone availability; this was lower than support rates among GPs (63.6%) and GP trainees (66.1%). CONCLUSIONS: Our findings suggest an unmet learning need in undergraduate training on opioid use disorder, with potential consequences for patient care. PMID- 29198488 TI - Measuring the heterophoria: Agreement between two methods in non-presbyopic and presbyopic patients. AB - PURPOSE: To establish whether the cover test and von Graefe methods are interchangeable in a non-presbyopic and presbyopic population. METHODS: We performed a prospective study on a sample of 127 non-presbyopic subjects between 20 and 45 years old and 56 presbyopic between 40 and 78 years old. Distance and near vision phoria were measured using the von Graefe method (VG) and cover test (CT). We analyzed the significant differences between methods, their correlation and the agreement between them using the Bland and Altman method. RESULTS: For distance vision, heterophoria values for non-presbyopic subjects were -0.61+/ 1.86Delta with CT and -0.88+/-2.37Delta with VG, and for presbyopic subjects were -0.56+/-1.64Delta with CT and -0.85+/-1.94Delta with VG. For near vision, CT yielded -3.02+/-3.97Delta, while VG achieved -3.49+/-4.70Delta in non-presbyopic subjects. For presbyopic subjects these values were -6.05+/-4.38Delta with CT and -6.29+/-4.19Delta with VG, respectively. Statistically significant differences between the two methods were observed for all groups analyzed (p<0.05), except for near vision in presbyopic subjects (p>0.05). Coefficient of agreement for non presbyopic was +/-2.97Delta for distance vision and +/-6.74Delta at near. For presbyopic patients, this coefficient was +/-1.59Delta for distance and +/ 1.86Delta for near vision. CONCLUSION: Cover test and von Graefe methods have a high level of agreement for both distance and near vision when considering presbyopic subjects. For non-presbyopic patients, the level of agreement is very low. Both methods for measuring heterophoria can only be considered interchangeable for presbyopic patients. For clinical purposes, this implies that any method can be used for measuring heterophoria in presbyopic patients. PMID- 29198490 TI - Overdose and adverse drug event experiences among adult patients in the emergency department. AB - INTRODUCTION: Overdose is a leading cause of injury and death in the United States. Emergency Department (ED) patients have an elevated prevalence of substance use. This study describes overdose/adverse drug event experiences among adult ED patients to inform strategies to address overdose risk. METHODS: Patients seeking care at a large ED in the city of Flint, Michigan participated in a computerized self-assessment during 2011-2013 (n=4571). Overdose was assessed with a broad definition and included occurrences that could be considered adverse drug events. Among those with this type of experience, additional items assessed symptoms, outcomes, and intent. RESULTS: 12% reported an overdose history. Of participants' most serious overdoses, 74% were without clear intent for self-harm, although this was true of only 61% of overdoses involving opiates or sedatives, and 52% had symptoms present that indicated that it was life-threatening. Binge drinking on a monthly basis (ORs=1.4) was associated with a medically serious overdose compared to never having an overdose. Compared to no drug use in the last year, use of one drug was associated with an OR of 1.8, two drugs was associated with an OR of 5.8, three drugs was associated with an OR of 8.4, and four or more drugs was associated with an OR of 25.1 of having had a medically serious overdose (all p<0.05). CONCLUSIONS: Most overdose experiences among ED patients were without clear intent of self-harm. The ED may be an appropriate setting for efforts to reduce overdose risk, especially among polysubstance users. PMID- 29198491 TI - Preliminary algorithm for differential diagnosis between spinal meningioma and schwannoma using plain magnetic resonance imaging. AB - BACKGROUND: Preoperative differential diagnosis between spinal meningioma and schwannoma is critical due to the characteristic differences of the surgical treatments. Thus, we aimed to develop an algorithm for the differential diagnosis of these two lesions based on plain MRI findings. METHODS: We retrospectively reviewed plain MR images from patients who had undergone surgical treatment for meningiomas and schwannomas in our hospital between 2002 and 2016. Seven findings characteristic of meningioma or schwannoma were considered: (a) low or equal signal intensity on T2-weighted images, (b) obtuse angle from the dura mater, (c) anterior location in the spinal canal, (d) cystic degeneration, (e) lumbar occurrence, (f) oval or round shape, and (g) dumbbell type. We calculated the sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of each MRI finding, following which the algorithm was developed using decision tree analysis. Finally, we examined the usefulness of the algorithm for differential diagnosis between the two lesions. RESULTS: Twenty four patients with meningiomas and 56 with schwannomas were enrolled. The sensitivity, specificity, PPV, NPV, and accuracy of each finding were as follows: (a) [58%, 100%, 100%, 85%, 88%], (b) [67%, 89%, 73%, 86%, 83%], (c) [29%, 88%, 50%, 74%, 70%], (d) [30%, 96%, 94%, 37%, 50%], (e) [43%, 96%, 96%, 42%, 59%], (f) [33%, 88%, 73%, 57%, 60%], and (g) [25%, 96%, 93%, 35%, 46%]. Significant differences were observed with regard to (a), (b), (d), (e), and (g). The algorithm was developed using these five findings, all of which exhibited high specificity and reliability. Accuracy of the algorithm was 91.3%. CONCLUSIONS: Our results indicated that plain MRI findings can be used to differentiate between spinal meningiomas and schwannomas. Furthermore, our novel algorithm exhibited high accuracy, suggesting that this algorithm may aid in the differential diagnosis of these two lesions. PMID- 29198492 TI - Adequate lymph node evaluation in the elderly is associated with improved survival in patients with stage I-III colon cancer: A validation study using the National Cancer Data Base. AB - BACKGROUND: Lymph node involvement (LNI) is an important prognostic factor in colon cancer. But, variations in LNI among different age groups are less known. Adequate lymph node evaluation (LNE) requires assessment of >=12 nodes. In our previous study, using Surveillance, Epidemiology and End Results (SEER) data, we demonstrated that older patients are less likely to have LNI (Khan et al. 2014). Our current study validates those findings using National Cancer Data Base (NCDB). METHODS: NCDB was queried for patients diagnosed with stages I-III colon adenocarcinoma from 2004 to 2008 who underwent surgical resections. Pearson Chi square test and Cox proportional hazards regression model were utilized for statistical analysis. RESULTS: A cohort of 97,831 patients was identified for analysis. Among patients belonging to 18-64, 65-74 and >75 years age groups, frequency of adequate LNE was 73.6%, 69% and 67.4% respectively, with pathologically confirmed LNI rates being 44.7%, 37.8% and 29.3% respectively (p < 0.0001). Adequate LNE was associated with improved 5-year overall survival (OS) regardless of age, gender, race, comorbidity index, insurance, income, year of diagnosis, pathologic tumor status, stage, grade, type of colectomy, adjuvant chemotherapy or academic level of facility. Rates of adequate LNE increased from 2004 to 2008, with a corresponding increase in survival outcomes (p < 0.0001). CONCLUSION: Adequate LNE is very crucial for appropriate staging of colon cancer, and carries a high prognostic value. This study validates our previous findings of lower rates of LNI in elderly and reiterates the importance of adequate LNE, which is associated with improved survival. Also identified were increasing rates of adequate LNE over the years, with corresponding improvement in OS. PMID- 29198493 TI - Impact of associating liver partition and portal vein occlusion for staged hepatectomy on tumor growth in a mouse model of liver metastasis. AB - BACKGROUND: The impact of associating liver partition and portal vein occlusion for staged hepatectomy (ALPPS) on tumor growth activity was investigated. METHODS: A BALB/c mouse model (male, 8-10 weeks old) of liver metastasis labeled by red fluorescent protein was established. Changes in future liver remnant (FLR) volumes, tumor growth activity, and levels of cytokines and growth factors in liver tissues during the treatment period were compared among the models involving ALPPS, portal vein ligation (PVL), or sham operation. RESULTS: The ratio of the FLR volume to body weight at 24 h after the procedure was greater for ALPPS (4.45 +/- 0.12 * 10-2) than for PVL (3.79 +/- 0.12 * 10-2; P = 0.003) and sham operation (3.18 +/- 0.16 * 10-2; P < 0.001). No differences in tumor progression in the FLR were observed at any time point after the procedures. Within the deportalized liver (DL), although tumor progression was observed during a later period after ALPPS (9 days postoperative) and PVL (12 days postoperative), no acceleration of tumor growth after ALPPS was observed in an early period similar to PVL. CONCLUSION: ALPPS induces a rapid increase in FLR volume and avoids remnant tumor progression during the early postoperative period. PMID- 29198494 TI - Distribution of metastases in mesorectum is unpredictable: Metastases do not respect tumor localization even in small non-circumferential rectal cancers. AB - INTRODUCTION: Low anterior resection with total mesorectal excision (TME) is the gold standard for surgical treatment of rectal carcinoma. The radicality of this procedure is negatively counterbalanced by morbidity, lethality, and numerous other complications. Local excision would appear to be an attractive alternative, but its radicality is disputable due to risk of undetected metastasis to the mesorectum. The study aimed to determine the location of mesorectal metastases with respect to circumferentially - located tumors in patients with tumors involving less than one-third of the rectal circumference. MATERIALS AND METHODS: Resected specimens from patients with tumors smaller than one-third of the circumference were divided into: Sector A - tumorous, and Sector B - nontumorous. Group A was created by the pathologist cutting part of the rectal wall with the adjacent mesorectum, as though imitating a full-thickness excision. RESULTS: The study comprised 35 patients with a mean age of 66 years, of which 23 were men (65.7%) and 12 were women (34.2%). Tumors were predominantly (y)pT1-T2; a total of 799 lymph nodes and 5 tumor satellites were examined. Six patients (17.1%) were identified as stage (y)pN+. A total of 3 positive findings (lymph node metastasis or satellites) were detected in 3 patients (8.5%) in tumorous Sector A; and 8 positive findings were detected in 4 patients (11.4%) in non-tumorous Sector B. CONCLUSION: Rectal carcinoma involving one-third of the rectal circumference metastasizes discontinuously, and spreads into parts of the mesorectum beyond the tumor area. PMID- 29198496 TI - Corrigendum to "Spinocerebellar ataxia: miRNAs expose biological pathways underlying pervasive Purkinje cell degeneration" [Neurobiol. Dis. 2017 Dec 108 148-158]. PMID- 29198497 TI - Genes and pathways in optic fissure closure. AB - Embryonic development of the vertebrate eye begins with the formation of an optic vesicle which folds inwards to form a double-layered optic cup with a fissure on the ventral surface, known as the optic fissure. Closure of the optic fissure is essential for subsequent growth and development of the eye. A defect in this process can leave a gap in the iris, retina or optic nerve, known as a coloboma, which can lead to severe visual impairment. This review brings together current information about genes and pathways regulating fissure closure from human coloboma patients and animal models. It focuses especially on current understanding of the morphological changes and processes of epithelial remodelling occurring at the fissure margins. PMID- 29198495 TI - Prognostic value of peritoneal cancer index in primary advanced ovarian cancer. AB - BACKGROUND: Effective tumor debulking is a major factor associated with a favorable prognosis in patients with advanced ovarian cancer (AOC). However, FIGO staging fails to take full account of the extent of the disease in the peritoneum, making it difficult to plan appropriate surgical treatment. In contrast, the peritoneal cancer index (PCI) can provide more detailed information about peritoneal spread. METHOD: We evaluated the prognostic value of PCI and its association with clinicopathological features in patients with AOC. Data for 80 patients with AOC who underwent primary debulking surgery were analyzed retrospectively. PCI scores of 0-39 were calculated based on the sizes of lesions in 13 abdominopelvic regions, and patients were classified into three categories with scores of 1-10, 11-20, and >20, respectively. Clinicopathological features, including the presence of residual tumor after surgery and the incidence of postoperative complications, were assessed in relation to PCI score. RESULTS: PCI was significantly associated with suboptimal surgery and postoperative complications, as well as with preoperative CA125, ascites, prolonged surgery, FIGO stage, positive aortic lymph nodes, prolonged hospitalization, and number of visceral resections. Overall and disease-free survival was also associated with PCI, with an optimal cut-off value of 15. Multivariate analysis identified age, residual tumor, and PCI as independent prognostic factors for survival. A PCI >10 is positively associated with a poor prognosis in patients with AOC. CONCLUSION: Given the importance of effective tumor debulking, PCI may provide important information for surgical planning in patients with AOC. PMID- 29198498 TI - Pneumocystis jirovecii pneumonia in patients treated with rituximab for systemic diseases: Report of 11 cases and review of the literature. PMID- 29198500 TI - Subclinical synovitis and tenosynovitis by ultrasonography (US) 7 score in patients with rheumatoid arthritis treated with synthetic drugs, in clinical remission by DAS28. AB - OBJECTIVE: To identify synovitis and tenosynovitis active by using the Ultrasound 7 (US 7) scoring system in patients with rheumatoid arthritis (RA) in clinical remission induced by synthetic disease-modifying antirheumatic drugs (DMARDs). METHODS: This is a multicentric, cross-sectional, observational study including 94 RA patients >18 years old who were in remission as defined by the 28-joints disease activity score (DAS28) <2.6 induced by synthetic DMARD during at least 6 months. Patients with a previous or current history of biologic DMARD treatment were not included in the study. Demographic and clinical data were collected by the local rheumatologist; the US evaluation was performed by a calibrated rheumatologist, who intended to detect grayscale synovitis and power Doppler (PD) using the 7-joint scale. Intra and inter-reader exercises of images between 2 ultrasonographers were realized. RESULTS: Patients' mean age was 49.1+/-13.7 years; 83% were women. The mean disease duration was 8+/-7 years and remission lasted for 27.5+/-31.8 months. The mean DAS28 score was 1.9+/-0.66. Grayscale synovitis was present in 94% of cases; it was mild in 87.5% and moderate in 12.5%. Only 12.8% of the patients had PD. The metatarsophalangeal, metacarpophalangeal, and carpal joints of the dominant hand were the joints more frequently affected by synovitis. Tenosynovitis by grayscale was observed in 9 patients (9.6%). The intra and inter-reading kappa value were 0.77, p<0.003 (CI 95%, 0.34-0.81) and 0.81, p<0.0001 (CI 95%, 0.27-0.83) respectively. CONCLUSIONS: Low percentage of synovitis and tenosynovitis active were founded according to PD US by 7 score in RA patients under synthetic DMARDs during long remission. This score has benefit because evaluate tenosynovitis, another element of subclinical disease activity. PMID- 29198499 TI - Markers of impaired motor and cognitive volition in Parkinson's disease: Correlates of dopamine dysregulation syndrome, impulse control disorder, and dyskinesias. AB - INTRODUCTION: Dopaminergic therapy in Parkinson's disease (PD) can be associated with both motoric (e.g., dyskinesias) and neuropsychiatric adverse effects. Examples of the latter include Dopamine Dysregulation Syndrome (DDS) and impulse control disorder (ICD), which are separate but related behavioral/psychiatric complications of treatment in PD. Dysregulation of volition characterizes both dyskinesias and DDS/ICD; thus, we analyzed potential disease-related correlates in a large PD cohort. METHODS: We analyzed cross-sectional data from 654 participants collected through the NINDS Parkinson's Disease Biomarkers Program. DDS/ICD symptoms and dyskinesias were assessed using the Movement Disorders Society (revised) Unified Parkinson's Disease Rating Scale. Potential associated variables were selected from PD-validated or PD-specific scales of neuropsychiatric or motoric status. Multivariable models with DDS/ICD or dyskinesia presence outcomes were produced with backward stepwise regression to identify factors independently associated with DDS/ICD and/or dyskinesias. RESULTS: Fifty-three (8.1%) participants endorsed DDS and/or ICD symptoms and 150 (22.9%) were dyskinetic. In multivariable analysis, psychosis was independently associated with both dyskinesias (p = 0.006) and DDS/ICD (p < 0.001). Unpredictable motor fluctuations (p = 0.026) and depression (p = 0.023) were also associated with DDS/ICD; female sex (p = 0.025), low tremor score (p = 0.001) and high akinesia-rigidity score (p < 0.001) were associated with dyskinesias. CONCLUSIONS: Our findings suggest that psychosis may be an important marker of impaired volition across motor and cognitive domains. Unpredictable motor fluctuations, psychosis, and depression may together comprise a phenotypic profile of patients at increased risk for DDS/ICD. Similarly, dyskinetic PD patients should be closely monitored for psychotic symptoms and treated appropriately. PMID- 29198501 TI - Social resources and Arab women's perinatal mental health: A systematic review. AB - BACKGROUND: Women's mental health in the perinatal period is understudied worldwide and in Arab countries especially. AIM: This systematic review explores evidence of the association between women's social resources for empowerment in the Arab World and their mental health in the prenatal and postnatal (<=1year postpartum) periods. METHODS: Guided by Kabeer's framework of empowerment, the authors applied a search string in PubMed and Web of Science databases to identify studies in countries of the Arab League (hereafter the Arab World) that address mental health and social resources for women's empowerment in the perinatal period. FINDINGS: Of 1865 electronically retrieved articles, 23 met the inclusion criteria. Overall, the majority of studies found a positive association between social resources for empowerment and perinatal mental health. Seven studies explored the relationship between familial or general social support and prenatal mental health in Arab women, and found a significant positive association. Sixteen of the 18 studies of women in the postnatal period found that enabling familial, extra-familial, and/or general social support was positively associated with mental health. CONCLUSION: This review demonstrates an association between social resources and perinatal mental health, but there is a dearth of research in this area. We call for additional research on Arab women in the perinatal period using context-specific but standardized tools to assess social resources and mental health. Evidence on positive mental health, resilience, and the influence of social resources can guide the improvement of prenatal and postpartum care services. PMID- 29198502 TI - Pregnant women's choice of birthing hospital: A qualitative study on individuals' preferences. AB - OBJECTIVE: To investigate pregnant women's decision making in relation to their choice of birthing hospital and, in particular, their priorities regarding hospital characteristics. METHODS: The focus of this study was the choice of birthing hospital among pregnant women. A qualitative interview design was used and women were recruited during their first pregnancy-related visit to a general practitioner. The interviews were conducted using a semi-structured interview guide, and a thematic analysis of the data was carried out. RESULTS: Women made their hospital choice decision independently and they relied extensively on their own or peers' experiences. Travel distance played a role, but some women were willing to incur longer travel times to give birth at a specialized hospital in order to try to reduce the risks (in case of unexpected events). The women associated the presence of specialized services and staff that were more qualified and experienced with increased safety. Other priorities included continuity of care (i.e., being seen by the same midwife) as well as service availability, which in this case referred to the possibility of a water birth and postnatal hoteling services. CONCLUSIONS: The choice of hospital provider appears to be strongly influenced by experience, whether personal experience or the experience of peers. However, there appears to be room for more information to be provided on safety and service attributes as an instrument for making an informed decision. PMID- 29198503 TI - EEG background activity and extreme delta brush in children with anti-NMDAR encephalitis. PMID- 29198505 TI - Revisiting Ray Moynihan. PMID- 29198504 TI - Female Sexual Dysfunction-Medical and Psychological Treatments, Committee 14. AB - INTRODUCTION: Since the millennium we have witnessed significant strides in the science and treatment of female sexual dysfunction (FSD). This forward progress has included (i) the development of new theoretical models to describe healthy and dysfunctional sexual responses in women; (ii) alternative classification strategies of female sexual disorders; (iii) major advances in brain, hormonal, psychological, and interpersonal research focusing on etiologic factors and treatment approaches; (iv) strong and effective public advocacy for FSD; and (v) greater educational awareness of the impact of FSD on the woman and her partner. AIMS: To review the literature and describe the best practices for assessing and treating women with hypoactive sexual desire disorder, female sexual arousal disorder, and female orgasmic disorders. METHODS: The committee undertook a comprehensive review of the literature and discussion among themselves to determine the best assessment and treatment methods. RESULTS: Using a biopsychosocial lens, the committee presents recommendations (with levels of evidence) for assessment and treatment of hypoactive sexual desire disorder, female sexual arousal disorder, and female orgasmic disorders. CONCLUSION: The numerous significant strides in FSD that have occurred since the previous International Consultation of Sexual Medicine publications are reviewed in this article. Although evidence supports an integrated biopsychosocial approach to assessment and treatment of these disorders, the biological and psychological factors are artificially separated for review purposes. We recognize that best outcomes are achieved when all relevant factors are identified and addressed by the clinician and patient working together in concert (the sum is greater than the whole of its parts). Kingsberg SA, Althof S, Simon JA, et al. Female Sexual Dysfunction-Medical and Psychological Treatments, Committee 14. J Sex Med 2017;14:1463-1491. PMID- 29198506 TI - The Need of Patient Involvement in Transgender Health Care Research. PMID- 29198507 TI - British Society for Sexual Medicine Guidelines on Adult Testosterone Deficiency, With Statements for UK Practice. AB - BACKGROUND: Testosterone deficiency (TD) is an increasingly common problem with significant health implications, but its diagnosis and management can be challenging. AIM: To review the available literature on TD and provide evidence based statements for UK clinical practice. METHODS: Evidence was derived from Medline, EMBASE, and Cochrane searches on hypogonadism, testosterone (T) therapy, and cardiovascular safety from May 2005 to May 2015. Further searches continued until May 2017. OUTCOMES: To provide a guideline on diagnosing and managing TD, with levels of evidence and grades of recommendation, based on a critical review of the literature and consensus of the British Society of Sexual Medicine panel. RESULTS: 25 statements are provided, relating to 5 key areas: screening, diagnosis, initiating T therapy, benefits and risks of T therapy, and follow-up. 7 statements are supported by level 1, 8 by level 2, 5 by level 3, and 5 by level 4 evidence. CLINICAL IMPLICATIONS: To help guide UK practitioners on effectively diagnosing and managing primary and age-related TD. STRENGTHS AND LIMITATIONS: A large amount of literature was carefully sourced and reviewed, presenting the best evidence available at the time. However, some statements provided are based on poor-quality evidence. This is a rapidly evolving area of research and recommendations are subject to change. Guidelines can never replace clinical expertise when making treatment decisions for individual patients, but rather help to focus decisions and take personal values and preferences and individual circumstances into account. Many issues remain controversial, but in the meantime, clinicians need to manage patient needs and clinical expectations armed with the best clinical evidence and the multidisciplinary expert opinion available. CONCLUSION: Improving the diagnosis and management of TD in adult men should provide somatic, sexual, and psychological benefits and subsequent improvements in quality of life. Hackett G, Kirby M, Edwards D, et al. British Society for Sexual Medicine Guidelines on Adult Testosterone Deficiency, With Statements for UK Practice. J Sex Med 2017;14:1504-1523. PMID- 29198508 TI - The "G-Spot" Is Not a Structure Evident on Macroscopic Anatomic Dissection of the Vaginal Wall. AB - BACKGROUND: Controversy exists in the literature regarding the presence or absence of an anatomic "G-spot." However, few studies have examined the detailed topographic or histologic anatomy of the putative G-spot location. AIM: To determine the anatomy of the anterior vaginal wall and present detailed, systematic, accessible findings from female cadaveric dissections to provide anatomic clarity with respect to this location. METHODS: Systematic anatomic dissections were performed on 13 female cadavers (32-97 years old, 8 fixed and 5 fresh) to characterize the gross anatomy of the anterior vaginal wall. Digital photography was used to document dissections. Dissection preserved the anterior vaginal wall, urethra, and clitoris. In 9 cadavers, the vaginal epithelial layer was reflected to expose the underlying urethral wall and associated tissues. In 4 cadavers, the vaginal wall was left intact before preservation. Once photographed, 8 specimens were transversely sectioned for macroscopic inspection and histologic examination. OUTCOMES: The presence or absence of a macroscopic anatomic structure at detailed cadaveric pelvis dissection that corresponds to the previously described G-spot and gross anatomic description of the anterior vaginal wall. RESULTS: Deep to the lining epithelium of the anterior vaginal wall is the urethra. There is no macroscopic structure other than the urethra and vaginal wall lining in the location of the putative G-spot. Specifically, there is no apparent erectile or "spongy" tissue in the anterior vaginal wall, except where the urethra abuts the clitoris distally. CLINICAL IMPLICATIONS: The absence of an anatomic structure corresponding to the putative G-spot helps clarify the controversy on this subject. STRENGTHS AND LIMITATIONS: Limitations to this study include limited access to specimens immediately after death and potential for observational bias. In addition, age, medical history, and cause of death are not publishable for privacy reasons. However, it is one of the most thorough and complete anatomic evaluations documenting the anatomic detail of the anterior vaginal wall. CONCLUSION: The G-spot, in its current description, is not identified as a discrete anatomic entity at macroscopic dissection of the urethra or vaginal wall. Further insights could be provided by histologic study. Hoag N, Keast JR, O'Connell HE. The "G-Spot" Is Not a Structure Evident on Macroscopic Anatomic Dissection of the Vaginal Wall. J Sex Med 2017;14:1524-1532. PMID- 29198509 TI - Testosterone Deficiency Causes Endothelial Dysfunction via Elevation of Asymmetric Dimethylarginine and Oxidative Stress in Castrated Rats. AB - BACKGROUND: Testosterone is believed to mediate the penile erectile response by producing adequate nitric oxide; therefore, testosterone deficiency results in erectile dysfunction through decreased nitric oxide bioavailability. However, the mechanisms underlying endothelial dysfunction in testosterone deficiency remain unclear. AIM: To investigate the mechanism of endothelial dysfunction in a rat model of testosterone deficiency. METHODS: Rats were distributed into 3 groups: castrated (Cast), castrated and supplemented with testosterone (Cast + T), and sham (Sham). In the Cast + T group, castrated rats were treated daily with subcutaneous testosterone (3 mg/kg daily) for 4 weeks; Sham and Cast rats received only the vehicle. OUTCOMES: Erectile function using intracavernosal pressure and mean arterial pressure measurements after electrical stimulation of the cavernous nerve, endothelial function using isometric tension, asymmetric dimethylarginine (ADMA) levels using ultra-performance liquid chromatography and tandem mass spectrometry, and inflammatory biomarker expression were performed 4 weeks after the operation. RESULTS: In the Cast group, the ratio of intracavernosal pressure to mean arterial pressure significantly decreased, acetylcholine-induced relaxation was lower, and serum ADMA, oxidative stress, and inflammation biomarker levels were significantly increased (P < .01). Testosterone injection significantly improved each of these parameters (P < .01). CLINICAL TRANSLATION: The present results provide scientific evidence of the effect of testosterone deficiency on erectile function and the effect of testosterone replacement therapy. STRENGTHS AND LIMITATIONS: This study provides evidence of the influence of testosterone deficiency on endothelial function by investigating ADMA and oxidative stress. A major limitation of this study is the lack of a direct link of increased ADMA by oxidative stress to inflammation. CONCLUSION: Testosterone deficiency increased not only ADMA levels but also oxidative stress and inflammation in castrated rats, which can cause damage to the corpus cavernosum, resulting in erectile dysfunction. Kataoka T, Hotta Y, Maeda Y, Kimura K. Testosterone Deficiency Causes Endothelial Dysfunction via Elevation of Asymmetric Dimethylarginine and Oxidative Stress in Castrated Rats. J Sex Med 2017;14:1540-1548. PMID- 29198510 TI - Does Calculated Free Testosterone Overcome Total Testosterone in Protecting From Sexual Symptom Impairment? Findings of a Cross-Sectional Study. AB - BACKGROUND: Although erectile dysfunction (ED) has been associated with low circulating total testosterone (TT) levels, the utility of free testosterone (FT) over TT is debatable. AIM: To assess the relative impact of low TT and low calculated FT (cFT) on androgen-related sexual symptoms in men with ED. METHODS: Data from 485 men were analyzed. Comorbidities were scored with the Charlson Comorbidity Index (CCI). Patients completed the International Index of Erectile Function (IIEF) and the Beck Inventory for Depression (BDI). Descriptive statistics tested differences between patients with normal TT levels (>3 ng/mL) and normal cFT levels (>65 pg/mL; group 1) and men with normal TT and low cFT (group 2), low TT and normal cFT (group 3), and low TT and low cFT (group 4). Linear regression models tested the association between clinical predictors and sexual function impairment. OUTCOMES: We assessed the impact of different hormonal categories on androgen-related symptoms and the clinical utility of measuring cFT in men with ED. RESULTS: Groups 1, 2, 3, and 4 were composed of 338 (69.6%), 44 (9.1%), 34 (7.0%), and 69 (14.3%) patients, respectively. Compared with group 1, patients in group 2 were older (P < .001), had a higher body mass index (P < .01), and had a larger proportion with CCI scores of at least 1 (P = .006). Likewise, group 2 presented lower scores for the IIEF erectile function (P = .07), sexual desire (P = .04), and orgasmic function (P = .007) domains and lower BDI scores (P = .02) than group 1. Similar findings were found for group 4 vs 1. Conversely, patients in group 3 had similar scores on the questionnaires to those in group 1. Low cFT and normal or low TT achieved independent predictor status for pathologic IIEF domains and BDI scores after accounting for age, CCI, and body mass index. Conversely, low TT and normal cFT status was not associated with pathologic scores on the questionnaires. CLINICAL IMPLICATIONS: The inclusion of cFT in the first-line assessment of hypogonadal symptoms in men with ED has major clinical utility. STRENGTHS AND LIMITATIONS: This is the first study evaluating the concomitant impact of TT and cFT on men with ED using well validated instruments to assess patients' sexuality and depressive symptoms. Limitations are the retrospective nature of the study and lack of physical function data and bone ultrasound measurements. CONCLUSIONS: Although normal cFT was not associated with signs and symptoms suggestive of testosterone deficiency, even when concomitant with low TT or low cFT irrespective of TT values, it was indicative of poorer clinical profiles and impaired sexual and depressive parameters compared with normal TT and normal cFT in a cohort of patients with ED. Boeri L, Capogrosso P, Ventimiglia E, et al. Does Calculated Free Testosterone Overcome Total Testosterone in Protecting From Sexual Symptom Impairment? Findings of a Cross-Sectional Study. J Sex Med 2017;14:1549-1557. PMID- 29198511 TI - Preliminary Evidence for an Association Between Variants of the Catechol-O Methyltransferase (COMT) Gene and Premature Ejaculation. AB - BACKGROUND: Studies have suggested that dopamine plays a role in the neurobiological mechanism that triggers ejaculation, leading scientists to hypothesize that dopamine-related genetic polymorphisms could contribute to symptoms of premature ejaculation (PE). AIM: To investigate associations between dopamine receptor and catechol-O-methyltransferase (COMT; an enzyme involved in the catabolism of dopamine) gene-linked polymorphisms and PE. METHODS: PE status in patient groups was determined by clinical diagnosis performed by a physician specializing in sexual medicine. Self-reported PE symptoms from a validated questionnaire also were reported. Saliva samples were collected from 149 patients with PE and 1,022 controls from a population-based sample. In total, we tested associations between PE and 11 single-nucleotide polymorphisms in the dopamine receptor D1, D2, and D3 genes and in the COMT gene. OUTCOMES: We found no associations between dopamine receptor gene polymorphisms and PE, but 2 COMT linked loci (rs4680 and rs4818) had significant associations after correction for multiple testing. RESULTS: 1 COMT gene-linked locus that was associated with PE symptoms in the present study, rs4680, is a well-documented functional polymorphism that causes a valine-to-methionine substitution. The other polymorphism, rs4818, is in high linkage disequilibrium with the rs4680 locus, indicating that they capture the same effect. Surprisingly, the rs4680 variant that was statistically significantly more prevalent in the PE group (ie, the valine-encoding allele) has been associated with higher enzymatic activity and therefore lower synaptic dopamine levels. CLINICAL TRANSLATION: Drugs targeting the dopaminergic system could affect PE symptoms. STRENGTHS AND LIMITATIONS: No replication sample was available for the present study; thus, our findings should be interpreted with caution. Moreover, a limitation of our study is the small sample in the context of genetic association studies (although it should be mentioned that genetically informative samples with phenotypic information about PE symptoms are scarce, and most previous genetic association studies of PE have used samples of similar or smaller size). However, our results are plausible: we report an association between one of the most extensively studied and understood genetic polymorphisms in psychiatric research and PE, and our results are in line with the long-standing hypothesis that dopamine influences human ejaculatory function. CONCLUSIONS: We report an association between 2 COMT gene-linked loci and PE symptoms, but our results should be treated with caution until independently replicated. Jern P, Johansson A, Strohmaier J, et al. Preliminary Evidence for an Association Between Variants of the Catechol-O-Methyltransferase (COMT) Gene and Premature Ejaculation. J Sex Med 2017;14:1558-1565. PMID- 29198512 TI - Understanding the Role of Serotonin in Female Hypoactive Sexual Desire Disorder and Treatment Options. AB - BACKGROUND: The neurobiology of sexual response is driven in part by dopamine and serotonin-the former modulating excitatory pathways and the latter regulating inhibitory pathways. Neurobiological underpinnings of hypoactive sexual desire disorder (HSDD) are seemingly related to overactive serotonin activity that results in underactive dopamine activity. As such, pharmacologic agents that decrease serotonin, increase dopamine, or some combination thereof, have therapeutic potential for HSDD. AIM: To review the role of serotonin in female sexual function and the effects of pharmacologic interventions that target the serotonin system in the treatment of HSDD. METHODS: Searches of the Medline database for articles on serotonin and female sexual function. OUTCOMES: Relevant articles from the peer-reviewed literature were included. RESULTS: Female sexual response is regulated not only by the sex hormones but also by several neurotransmitters. It is postulated that dopamine, norepinephrine, oxytocin, and melanocortins serve as key neuromodulators for the excitatory pathways, whereas serotonin, opioids, and endocannabinoids serve as key neuromodulators for the inhibitory pathways. Serotonin appears to be a key inhibitory modulator of sexual desire, because it decreases the ability of excitatory systems to be activated by sexual cues. Centrally acting drugs that modulate the excitatory and inhibitory pathways involved in sexual desire (eg, bremelanotide, bupropion, buspirone, flibanserin) have been investigated as treatment options for HSDD. However, only flibanserin, a multifunctional serotonin agonist and antagonist (5 hydroxytryptamine [5-HT]1A receptor agonist and 5-HT2A receptor antagonist), is currently approved for the treatment of HSDD. CLINICAL IMPLICATIONS: The central serotonin system is 1 biochemical target for medications intended to treat HSDD. STRENGTHS AND LIMITATIONS: This narrative review integrates findings from preclinical studies and clinical trials to elucidate neurobiological underpinnings of HSDD but is limited to 1 neurotransmitter system (serotonin). CONCLUSION: Serotonin overactivity is a putative cause of sexual dysfunction in patients with HSDD. The unique pharmacologic profile of flibanserin tones down inhibitory serotonergic function and restores dopaminergic and noradrenergic function. Croft HA. Understanding the Role of Serotonin in Female Hypoactive Sexual Desire Disorder and Treatment Options. J Sex Med 2017;14:1575-1584. PMID- 29198513 TI - The Vulvar Pain Assessment Questionnaire: Factor Structure, Preliminary Norms, Internal Consistency, and Test-Retest Reliability. AB - BACKGROUND: The Vulvar Pain Assessment Questionnaire (VPAQ) was developed to assist in the assessment and diagnosis of chronic vulvar pain (vulvodynia). AIM: To further establish the psychometric properties of the VPAQ by examining factor structure, test-retest reliability, internal consistency, and scale normative data, and to gather feedback from those with vulvar pain about the usefulness and accessibility of the questionnaire. METHODS: 182 participants completed a confidential online study and 70 participated again at time 2 (4 weeks later). OUTCOMES: Participants were asked to complete the full VPAQ, which assesses pain characteristics, effects on various parts of their lives, coping strategies used, and romantic partner factors. Additional questions captured sociodemographics and feedback about the instrument. RESULTS: Exploratory structural equation modeling indicated that the previously established subscales, except the coping scale, had adequate model fit, and all items loaded significantly onto relevant factors. Pearson product moment correlations (r = 0.57-0.96) established strong 4-week test-retest reliability for most subscale scores, and Cronbach alpha indicated overall acceptable to high internal consistency (alpha = 0.56-0.95). Preliminary norms for the scales are supplied. Approximately half the participants reported an increase in their comfort level in discussing a range of topics after completing the VPAQ. Most participants reported that the length, readability, and range of VPAQ questions were "good" or "excellent." CLINICAL IMPLICATIONS: The results of this study provide further justification for using the VPAQ scales in clinical and research settings, preliminary norms for a vulvar pain population, and suggestions for interpretation. STRENGTHS AND LIMITATIONS: This study established the psychometric properties of the VPAQ scales using multiple methods at 2 time points and gathered feedback from participants. However, data were collected online so diagnoses could not be confirmed and more than half the initial sample did not complete the survey at time 2. CONCLUSION: The results of this study suggest that most VPAQ subscales (except the coping subscale) have moderate to strong psychometric properties and that the VPAQ is user friendly. Dargie E, Holden RR, Pukall CF. The Vulvar Pain Assessment Questionnaire: Factor Structure, Preliminary Norms, Internal Consistency, and Test-Retest Reliability. J Sex Med 2017;14:1585-1596. PMID- 29198515 TI - Metacognitive Therapy Trial for Hypoactive Sexual Desire Disorder Breaks the Mold. PMID- 29198514 TI - Erectile Dysfunction Medications and Treatment for Cardiometabolic Risk Factors: A Pharmacoepidemiologic Study. AB - BACKGROUND: Erectile dysfunction (ED) can be a sentinel marker for future cardiovascular disease and has been described as providing a "window of curability" for men to receive targeted cardiovascular risk assessment. AIM: To determine whether the prescription of phosphodiesterase type 5 inhibitors (PDE5is) for ED leads to the detection and treatment of previously undiagnosed cardiometabolic risk factors. METHODS: We performed a retrospective population based cohort study of residents of British Columbia, Canada using linked health care databases from 2004 to 2011. An individual-level time series analysis with switching replications was used to determine changes in drug use for hypertension, hypercholesterolemia, and diabetes in men 40 to 59 years old. The observation window for each patient was 720 days before and 360 days after the index date. OUTCOMES: The primary outcome was changes in prescriptions for antihypertensive, statin, and oral antidiabetic drugs, with secondary outcomes being laboratory tests for plasma cholesterol and glucose. RESULTS: 5,858 men 40 to 59 years old newly prescribed a PDE5i were included in the analysis. We found a sudden increase in prescriptions for antihypertensive drugs (40 per 1,000; P < .001), statins (10 per 1,000; P = .001), and antidiabetic drugs (17 per 1,000; P = .002) in the 90 days after a new prescription for a PDE5i. For hypercholesterolemia and diabetes, most of this change was observed in men with relevant screening tests performed in the 30 days after their PDE5i prescription. Only 15% and 17% of men who did not have a screening test for cholesterol and glucose, respectively, in the year before their PDE5i prescription went on to have one in the subsequent 30 days. CLINICAL IMPLICATIONS: The paucity of screening tests observed in our study after PDE5i prescriptions suggests that physicians should be educated on the recommended screening guidelines for men newly diagnosed with ED. STRENGTHS AND LIMITATIONS: The number of men who were ordered a laboratory test or written a prescription but chose not to complete or fill it, respectively, is unknown. CONCLUSION: Treatment for ED with PDE5is can be a trigger or "gateway drug" for the early detection and treatment of cardiometabolic risk factors provided physicians perform the requisite screening investigations. Skeldon SC, Cheng L, Morgan SG, et al. Erectile Dysfunction Medications and Treatment for Cardiometabolic Risk Factors: A Pharmacoepidemiologic Study. J Sex Med 2017;14:1597-1605. PMID- 29198516 TI - Erratum. PMID- 29198517 TI - Choice of resuscitative fluids and mortality in emergency department patients with sepsis. AB - OBJECTIVE: Balanced resuscitative fluids (BF) have been associated with decreased incidence of hyperchloremic metabolic acidosis in sepsis. We hypothesized that higher proportions of BF during resuscitation would thus be associated with improved mortality in Emergency Department (ED) patients with sepsis. METHODS: This was a retrospective chart review of adult ED patients who presented with sepsis to a large, urban teaching hospital over one year. The choice of resuscitation fluid in the first 2days of hospitalization was defined as either normal saline (NS) or balanced fluids (BF; Lactated Ringer's or Isolyte). The primary study outcome was in-hospital mortality, which was analyzed with multivariable logistic regression based on the proportion of BF received during the initial ED resuscitation. RESULTS: Of 149 patients screened, 33 were excluded, leaving 115 for analysis, of whom 18 died (16% overall mortality). Sixty-one (53%) patients received BF and NS, 6 (5%) patients received BF exclusively, while 48 (42%) patients received NS only. The mean number of liters administered was 5.4, and the mean percentage of BF administered was 29%. In univariate analysis, a higher proportion of BF was associated with lower odds of mortality (OR 0.973 [95% CI 0.961-0.986], p=0.00003). This association held true in multivariable models controlling for comorbidities and admission lactate level. CONCLUSIONS: We found that the proportion of BF during the initial ED resuscitation in septic patients was associated with a significant reduction in mortality. This association provides the necessary rationale for future randomized clinical trials of BF resuscitation in sepsis. PMID- 29198518 TI - The interplay between autonomic imbalance, cardiac dysfunction, and blood pressure variability in sepsis. PMID- 29198519 TI - Selective directed forgetting in children. AB - When, after study of an item list, adults are cued to forget some of the list items and encode new information instead, such cuing often induces selective forgetting of the to-be-forgotten material without impairing recall of the other items. This study examined developmental trends in such selective directed forgetting by having second graders, sixth graders, and young adults study three successive lists of items and, after study of List 2, cuing them either to remember both List 1 and List 2 or to forget List 2 but remember List 1. Consistent with prior work, second graders exhibited no forgetting at all in response to the forget cue, whereas young adults selectively forgot List 2. Sixth graders showed still another pattern with forgetting of both List 1 and List 2, suggesting that the ability to selectively forget is still absent at this age level. Directed forgetting has often been attributed to the action of inhibitory control processes. On the basis of this view, the current finding that children during middle childhood do not yet show selective forgetting indicates that the control processes underlying selective directed forgetting mature into adolescence and early adulthood. PMID- 29198520 TI - [Socioeconomic inequalities and kidney transplantation]. AB - Studies at the population level must take into account the effect of social insecurity and socioeconomic inequalities on the patient outcomes. Socioeconomic inequalities depend on many determinants that are socially determined. In renal transplantation, these social determinants are not registered in the databases. The European Deprivation Index (EDI) is a composite index of social vulnerability with a French version. The EDI is an ecological measure of deprivation including the individual perception of basic needs for daily life that is called "subjective poverty". The Townsend index, Carstairs index and the Index of Multiple Deprivation are other ecological index available. It has been demonstrated in the United States that socioeconomic indicators of deprivation were associated with both the access to the waiting list for renal transplantation and transplantation failure. In France, socioeconomic deprivation may also affect the access to the waiting list and outcome of transplantation. This article is a review about deprivation and renal transplantation. PMID- 29198521 TI - Improving the surface properties of municipal solid waste-derived pyrolysis biochar by chemical and thermal activation: Optimization of process parameters and environmental application. AB - Biochar produced from the slow pyrolysis of municipal solid waste was activated with KOH and thermal treatments to enhance its surface and adsorptive properties. The effects of KOH concentration, activation temperature and time on the specific surface area (SSA) of the activated biochar were evaluated and optimized using central composite design (CCD) of the response surface methodology (RSM). Results showed that the activation of biochar enhanced its SSA from 402.8 +/- 12.5 to 662.4 +/- 28.6 m2 g-1. The adsorptive capacities of the pristine biochar (PBC) and activated biochar (ABC) were compared using methylene blue (MB) dye as model compound. For MB concentrations up to 25 mg L-1, more than 99% dye removal was achieved with ABC, while only a maximum of 51% was obtained with PBC. Results of the isotherm study showed that the Langmuir model best described MB adsorption on ABC with adsorption capacity of 37.0-41.2 mg g-1. PMID- 29198522 TI - Role of compostable tableware in food service and waste management. A life cycle assessment study. AB - It is estimated that in Europe 88-100 million tonnes of food waste are generated every year, with a Global Warming Potential (GWP) of around 227 MT of CO2 equivalents generated for their collection and disposal. A 12% of this waste is estimated to arise from food service within the hospitality sector, which includes quick service restaurants, casual and fine dining, contract catering (canteens, prisons, hospitals, schools etc.) as well as indoor and outdoor events and exhibitions. Given this considerable amount and that the mixed unsorted collection is often the only practicable way to handle such waste flows, the choice of tableware and cutlery can make a big difference in facilitating waste collection as well as in reducing the overall environmental impact of food waste management. This study compares the environmental performance of using biodegradable & compostable single use tableware with organic recycling of food waste through composting against a traditional scenario using fossil-based plastic tableware and disposal of the waste flows through incineration and landfill. The study has taken into account the main requirements of the recently published Product Environmental Footprint (PEF) methodology of the European Commission. The results confirm that the use of biodegradable and compostable tableware combined with organic recycling is the preferred option for catering in quick service restaurants, contract catering and events, since it reduces significantly the carbon, water and resource footprint and is fully in line with the principles of a circular economy. PMID- 29198523 TI - Resetting the Yeast Epigenome with Human Nucleosomes. AB - Humans and yeast are separated by a billion years of evolution, yet their conserved histones retain central roles in gene regulation. Here, we "reset" yeast to use core human nucleosomes in lieu of their own (a rare event taking 20 days), which initially only worked with variant H3.1. The cells adapt by acquiring suppressor mutations in cell-division genes or by acquiring certain aneuploid states. Converting five histone residues to their yeast counterparts restored robust growth. We reveal that humanized nucleosomes are positioned according to endogenous yeast DNA sequence and chromatin-remodeling network, as judged by a yeast-like nucleosome repeat length. However, human nucleosomes have higher DNA occupancy, globally reduce RNA content, and slow adaptation to new conditions by delaying chromatin remodeling. These humanized yeasts (including H3.3) pose fundamental new questions about how chromatin is linked to many cell processes and provide a platform to study histone variants via yeast epigenome reprogramming. PMID- 29198524 TI - Single-Cell Transcriptomic Analysis of Primary and Metastatic Tumor Ecosystems in Head and Neck Cancer. AB - The diverse malignant, stromal, and immune cells in tumors affect growth, metastasis, and response to therapy. We profiled transcriptomes of ~6,000 single cells from 18 head and neck squamous cell carcinoma (HNSCC) patients, including five matched pairs of primary tumors and lymph node metastases. Stromal and immune cells had consistent expression programs across patients. Conversely, malignant cells varied within and between tumors in their expression of signatures related to cell cycle, stress, hypoxia, epithelial differentiation, and partial epithelial-to-mesenchymal transition (p-EMT). Cells expressing the p EMT program spatially localized to the leading edge of primary tumors. By integrating single-cell transcriptomes with bulk expression profiles for hundreds of tumors, we refined HNSCC subtypes by their malignant and stromal composition and established p-EMT as an independent predictor of nodal metastasis, grade, and adverse pathologic features. Our results provide insight into the HNSCC ecosystem and define stromal interactions and a p-EMT program associated with metastasis. PMID- 29198525 TI - A J-Protein Co-chaperone Recruits BiP to Monomerize IRE1 and Repress the Unfolded Protein Response. AB - When unfolded proteins accumulate in the endoplasmic reticulum (ER), the unfolded protein response (UPR) increases ER-protein-folding capacity to restore protein folding homeostasis. Unfolded proteins activate UPR signaling across the ER membrane to the nucleus by promoting oligomerization of IRE1, a conserved transmembrane ER stress receptor. However, the coupling of ER stress to IRE1 oligomerization and activation has remained obscure. Here, we report that the ER luminal co-chaperone ERdj4/DNAJB9 is a selective IRE1 repressor that promotes a complex between the luminal Hsp70 BiP and the luminal stress-sensing domain of IRE1alpha (IRE1LD). In vitro, ERdj4 is required for complex formation between BiP and IRE1LD. ERdj4 associates with IRE1LD and recruits BiP through the stimulation of ATP hydrolysis, forcibly disrupting IRE1 dimers. Unfolded proteins compete for BiP and restore IRE1LD to its default, dimeric, and active state. These observations establish BiP and its J domain co-chaperones as key regulators of the UPR. PMID- 29198526 TI - Neuromodulatory Control of Long-Term Behavioral Patterns and Individuality across Development. AB - Animals generate complex patterns of behavior across development that may be shared or unique to individuals. Here, we examine the contributions of developmental programs and individual variation to behavior by monitoring single Caenorhabditis elegans nematodes over their complete developmental trajectories and quantifying their behavior at high spatiotemporal resolution. These measurements reveal reproducible trajectories of spontaneous foraging behaviors that are stereotyped within and between developmental stages. Dopamine, serotonin, the neuropeptide receptor NPR-1, and the TGF-beta peptide DAF-7 each have stage-specific effects on behavioral trajectories, implying the existence of a modular temporal program controlled by neuromodulators. In addition, a fraction of individuals within isogenic populations raised in controlled environments have consistent, non-genetic behavioral biases that persist across development. Several neuromodulatory systems increase or decrease the degree of non-genetic individuality to shape sustained patterns of behavior across the population. PMID- 29198527 TI - Effects of multiple breath-hold reproducibility on treatment localization and dosimetric accuracy in radiotherapy of left-sided breast cancer: Methodology and statistical issues in reproducibility and accuracy. PMID- 29198528 TI - An integrative review of the enjoyment of sadness associated with music. AB - The recent surge of interest towards the paradoxical pleasure produced by sad music has generated a handful of theories and an array of empirical explorations on the topic. However, none of these have attempted to weigh the existing evidence in a systematic fashion. The present work puts forward an integrative framework laid out over three levels of explanation - biological, psycho-social, and cultural - to compare and integrate the existing findings in a meaningful way. First, we review the evidence pertinent to experiences of pleasure associated with sad music from the fields of neuroscience, psychophysiology, and endocrinology. Then, the psychological and interpersonal mechanisms underlying the recognition and induction of sadness in the context of music are combined with putative explanations ranging from social surrogacy and nostalgia to feelings of being moved. Finally, we address the cultural aspects of the paradox the extent to which it is embedded in the Western notion of music as an aesthetic, contemplative object - by synthesising findings from history, ethnography, and empirical studies. Furthermore, we complement these explanations by considering the particularly significant meanings that sadness portrayed in art can evoke in some perceivers. Our central claim is that one cannot attribute the enjoyment of sadness fully to any one of these levels, but to a chain of functionalities afforded by each level. Each explanatory level has several putative explanations and its own shift towards positive valence, but none of them deliver the full transformation from a highly negative experience to a fully enjoyable experience alone. The current evidence within this framework ranges from weak to non-existent at the biological level, moderate at the psychological level, and suggestive at the cultural level. We propose a series of focussed topics for future investigation that would allow to deconstruct the drivers and constraints of the processes leading to pleasurable music-related sadness. PMID- 29198529 TI - Can we identify others' intentions from seeing their movements? Comment on "Seeing mental states: An experimental strategy for measuring the observability of other minds" by Cristina Becchio et al. PMID- 29198530 TI - Hospitalizations for Ambulatory Care-Sensitive Conditions among Children with Chronic and Complex Diseases. AB - OBJECTIVE: To evaluate ambulatory-care sensitive (ACS) hospitalizations for children with noncomplex chronic diseases (NC-CD) and children with medical complexity (CMC), and identify associations with ambulatory care characteristics. Although ACS hospitalizations are potentially preventable in general populations, the specific ambulatory care predictors and influence of medical complexity on them is poorly understood. STUDY DESIGN: Retrospective cohort study of NC-CD and CMC hospitalizations at a children's hospital during 2007-2014, excluding labor/delivery and children over 21 years. Pediatric medical complexity algorithm identified NC-CD or CMC. ACS hospitalizations were identified using Agency for Healthcare Research and Quality indicator definitions. Demographic and ambulatory care characteristics were compared between ACS and non-ACS hospitalizations with logistic regression clustered by patient. Measures of ambulatory care during 2 years before admission were explored with 20% random sample of general pediatrics discharges. RESULTS: Among 4035 children with NC-CD, 14.6% of 4926 hospitalizations were ACS hospitalizations. Among 5084 CMC, 5.3% of 14 390 discharges were ACS hospitalizations. Among NC-CD discharges, ACS hospitalizations were more likely with no prior-year outpatient visits (OR 1.4, 95% CI 1.1-1.7) and less likely with timely well checks (OR 0.8, 95% CI 0.6-0.9) and phone encounters in the month before admission (OR 0.5, 95% CI 0.2-1.0). Among CMC discharges, the only association observed was with provider continuity (OR 0.3, 95% CI 0.1- 1.0). CONCLUSIONS: Provider continuity may be associated with fewer CMC ACS hospitalizations, however, measures of ambulatory care were more consistently associated with ACS hospitalizations for NC-CD. CMC may need more precise ACS hospitalization definitions. PMID- 29198531 TI - Laparoscopic Sleeve Gastrectomy Improves Nonalcoholic Fatty Liver Disease-Related Liver Damage in Adolescents by Reshaping Cellular Interactions and Hepatic Adipocytokine Production. AB - OBJECTIVES: To investigate whether the modulation of local cellular cross-talks and the modification of hepatic adipocytokine expression could mechanistically explain the improvement of liver histopathology after laparoscopic sleeve gastrectomy (LSG) in adolescents with nonalcoholic fatty liver disease (NAFLD). STUDY DESIGN: Twenty obese (body mass index of >=35 kg/m2) adolescents who underwent LSG and with biopsy-proven NAFLD were included. At baseline (T0) and 1 year after treatment, patients underwent clinical evaluation, blood tests, and liver biopsy. Hepatic progenitor cells, hepatic stellate cells (HSCs), macrophages, and adipocytokines were evaluated by immunohistochemistry and immunofluorescence. RESULTS: Liver biopsy samples after LSG demonstrated a significant improvement of NAFLD Activity Score and fibrosis. Immunohistochemistry indicated a significant reduction of hepatocyte cell cycle arrest, ductular reaction, activated HSC, and macrophage number after LSG compared with T0. The activation state of HSC was accompanied by modification in the expression of the autophagy marker LC3. Hepatocyte expression of adiponectin was significant higher after LSG than into T0. Moreover, LSG caused decreased resistin expression in Sox9+ hepatic progenitor cells compared with T0. The number of S100A9+ macrophages was also reduced by LSG correlating with resistin expression. Finally, serum levels of proinflammatory cytokines significantly correlated with macrophages and activated HSC numbers. CONCLUSIONS: The histologic improvement induced by LSG is associated with the reduced activation of local cellular compartments (hepatic progenitor cells, HSCs, and macrophages), thus, strengthening the role of cellular interactions and hepatic adipocytokine production in the pathogenesis of NAFLD. PMID- 29198532 TI - Impact of Prolonged Mechanical Ventilation in Very Low Birth Weight Infants: Results From a National Cohort Study. AB - OBJECTIVE: To evaluate the in-hospital consequences of prolonged respiratory support with invasive mechanical ventilation in very low birth weight infants. STUDY DESIGN: A cohort study was performed using prospectively collected data from 69 neonatal intensive care units participating in the Korean national registry. In total, 3508 very low birth weight infants born between January 1, 2013 and December 31, 2014 were reviewed. RESULTS: The adjusted hazard ratio for death increased significantly for infants who received mechanical ventilation for more than 2 weeks compared with those were mechanically ventilated for 7 days or less. The individual mortality rate increased after 8 weeks, reaching 50% and 60% at 14 and 16 weeks of cumulative mechanical ventilation, respectively. After adjusting for potential confounders, the cumulative duration of mechanical ventilation was associated with a clinically significant increase in the odds of bronchopulmonary dysplasia and pulmonary hypertension. Mechanical ventilation exposure for longer than 2 weeks, compared with 7 days or less, was associated with retinopathy of prematurity requiring laser coagulation and periventricular leukomalacia. The odds of abnormal auditory screening test results were significantly increased in infants who needed mechanical ventilation for more than 4 weeks. A longer cumulative duration of mechanical ventilation was associated with increased lengths of hospitalization and parenteral nutrition and a higher probability of discharge with poor achievement of physical growth. CONCLUSIONS: Although mechanical ventilation is a life-saving intervention for premature infants, these results indicate that it is associated with negative consequences when applied for prolonged periods. PMID- 29198533 TI - Usefulness of Routine Transtelephonic Monitoring for Supraventricular Tachycardia in Infants. AB - OBJECTIVE: We hypothesize that routine daily transtelephonic monitoring (TTM) transmissions can accurately detect supraventricular tachycardia (SVT) in asymptomatic infants and/or assuage parental concerns rather than being used solely to diagnose arrhythmias. STUDY DESIGN: Single center, retrospective chart review of 60 patients with fetal or infant SVT prescribed TTM for at least 30 days, January 2010-September 2016. Patients were excluded if initial SVT was not documented, was perioperative, was atrial flutter/fibrillation, or chaotic atrial tachycardia. Categorical variables expressed as mean +/- SD. Mann-Whitney, Spearman correlation, and Fisher exact tests were used for continuous and categorical variables respectively. RESULTS: Sixty patients were included. There were 2688 TTM transmissions received from 55 of 60 patients over 61.1 +/- 66.7 days (0.73 +/- 0.65 TTM/patient/days). Routine asymptomatic TTM transmissions revealed actionable findings in 5 of 2801 TTM transmissions sent by 5 patients (8.3%). No patient presented in shock or died. Forty-five of 2688 TTM transmissions were sent for parental concerns/symptoms in 16 patients (25.8%) with findings of normal sinus rhythm in 37 of 45 TTM transmissions and SVT in 8 of 45 TTM transmissions. Symptomatic actionable findings were more likely sent by patients discharged on class I or III antiarrhythmics (95% CI = 11.5%-68.3%, P = .004) and patients with prolonged initial hospitalizations (95% CI = 6.98%-59.7%, P = .01). Flecainide was discontinued in 1 patient after widened QRS was noted on routine TTM. CONCLUSIONS: TTM accurately diagnose asymptomatic recurrent SVT in neonates and infants before they develop signs of congestive heart failure or shock and is helpful for recurrent SVT management. PMID- 29198534 TI - An Intragastric Fecal Microbiota Transplantation Program for Treatment of Recurrent Clostridium difficile in Children is Efficacious, Safe, and Inexpensive. AB - OBJECTIVE: To assess the safety, efficacy, and relative expense of a nurse-led fecal microbiota transplantation (FMT) program for the treatment of recurrent Clostridium difficile infection (CDI). STUDY DESIGN: Retrospective cohort study design in children aged 1-18 years with recurrent CDI. The intervention was an intragastric FMT with stool derived from a donor stool bank. Primary outcome was resolution of diarrhea at 3 months post-transplantation. A secondary analysis compared charge data associated with FMT by intragastric delivery vs administration by colonoscopy or nasoduodenal tube. RESULTS: A total of 47 intragastric FMT procedures were performed in 42 children (median age 9 years) with recurrent CDI. Response to treatment varied by disease status, with 94% success in previously healthy children, 75% in medically complex children, and 54% in children with inflammatory bowel disease (P = .04). FMT via intragastric delivery showed lower facility and professional charges by 85% and 78% compared with delivery via colonoscopy and radiology-placed nasoduodenal tube, respectively. The use of stool derived from a donor stool bank decreased charges by 49% compared with charges associated with the use of a donor who was a relative. CONCLUSION: A nurse-led intragastric FMT procedure using stool derived from a donor stool bank is a relatively inexpensive and efficacious treatment for recurrent CDI in children. Intragastric FMT success in children was attenuated by the presence of underlying disease, particularly inflammatory bowel disease. PMID- 29198535 TI - Resistance of the interface device used to deliver nasal continuous positive airway pressure or nasal intermittent ventilation. PMID- 29198537 TI - Healthcare Utilization and Comorbidities Associated with Anorectal Malformations in the United States. AB - OBJECTIVE: To determine nationwide prevalence and healthcare utilization in children with anorectal malformations and associated anomalies over a 6-year period. STUDY DESIGN: We used the Kids' Inpatient Database for the years 2006, 2009, and 2012 for data collection. International Classification of Diseases, Ninth Revision codes were used to identify patients with anorectal malformations and associated anomalies. RESULTS: A total of 2396 children <2 years of age with anorectal malformations were identified using weighted analysis; 54.3% of subjects were male. The ethnic subgroups were 40.1% white, 23.6% Hispanic, 9.3% African American, and 27% other ethnicity. Other congenital anomalies were reported in 80% of anorectal malformations and were closely associated with increased length of stay and costs. A genetic disorder was identified in 14.1% of the sample. Urogenital anomalies were present in 38.5%, heart anomalies in 21.2%, and 8.6% had vertebral anomalies, anal atresia, cardiac defects, tracheoesophageal fistula and/or esophageal atresia, renal anomalies, and limb defects association. Anorectal malformations with other anomalies including vertebral anomalies, anal atresia, cardiac defects, tracheoesophageal fistula and/or esophageal atresia, renal anomalies, and limb defects association incurred significant hospital charges when compared with anorectal malformations alone. The average annual healthcare expenditure for surgical correction of anorectal malformations and associated anomalies for the 3 years was US $45.5 million. CONCLUSIONS: This large, major nationally representative study shows that majority of children with anorectal malformations have additional congenital anomalies that deserve prompt recognition. The high complexity and need for lifelong multidisciplinary management is associated with substantial healthcare expenditure. This information complements future healthcare resource allocation and planning for management of children with anorectal malformations. PMID- 29198536 TI - Infants with Atypical Presentations of Alveolar Capillary Dysplasia with Misalignment of the Pulmonary Veins Who Underwent Bilateral Lung Transplantation. AB - OBJECTIVE: To describe disease course, histopathology, and outcomes for infants with atypical presentations of alveolar capillary dysplasia with misalignment of the pulmonary veins (ACDMPV) who underwent bilateral lung transplantation. STUDY DESIGN: We reviewed clinical history, diagnostic studies, explant histology, genetic sequence results, and post-transplant course for 6 infants with atypical ACDMPV who underwent bilateral lung transplantation at St. Louis Children's Hospital. We compared their histology with infants with classic ACDMPV and compared their outcomes with infants transplanted for other indications. RESULTS: In contrast with neonates with classic ACDPMV who present with severe hypoxemia and refractory pulmonary hypertension within hours of birth, none of the infants with atypical ACDMPV presented with progressive neonatal respiratory failure. Three infants had mild neonatal respiratory distress and received nasal cannula oxygen. Three other infants had no respiratory symptoms at birth and presented with hypoxemia and pulmonary hypertension at 2-3 months of age. Bilateral lung transplantation was performed at 4-20 months of age. Unlike in classic ACDMPV, histopathologic findings were not distributed uniformly and were not diffuse. Three subjects had apparent nonmosaic genetic defects involving FOXF1. Two infants had extrapulmonary anomalies (posterior urethral valves, inguinal hernia). Three transplanted children are alive at 5-16 years of age, similar to outcomes for infants transplanted for other indications. Lung explants from infants with atypical ACDMPV demonstrated diagnostic but nonuniform histopathologic findings. CONCLUSIONS: The 1- and 5-year survival rates for infants with atypical ACDMPV are similar to infants transplanted for other indications. Given the clinical and histopathologic spectra, ACDMPV should be considered in infants with hypoxemia and pulmonary hypertension, even beyond the newborn period. PMID- 29198538 TI - A Nonlethal Case of Junctional Epidermolysis Bullosa and Congenital Pyloric Atresia: Compound Heterozygosity in a Patient with a Novel Integrin Beta 4 Gene Mutation. AB - We report a case of nonfatal junctional epidermolysis bullosa and pyloric atresia in a newborn. We identified a substitution (c.914C>T) for the integrin beta4 gene that has been associated with favorable outcome. A novel mutation (c.2011T>G) of unknown significance was also found in this patient who is now thriving. PMID- 29198539 TI - Long-Term Outcomes of Hyperglycemic Preterm Infants Randomized to Tight Glycemic Control. AB - OBJECTIVE: To determine whether tight glycemic control of neonatal hyperglycemia changes neurodevelopment, growth, and metabolism at school age. STUDY DESIGN: Children born very low birth weight and randomized as hyperglycemic neonates to a trial of tight vs standard glycemic control were assessed at 7 years corrected age, including Wechsler Intelligence Scale for Children Fourth Edition, Movement Assessment Battery for Children 2, visual and neurologic examinations, growth measures, dual X-ray absorptiometry, and frequently sampled intravenous glucose tolerance test. The primary outcome was survival without neurodevelopmental impairment at age 7 years. Outcomes were compared using linear regression, adjusted for sex, small for gestational age, birth plurality, and the clustering of twins. Data are reported as number (%) or mean (SD). RESULTS: Of the 88 infants randomized, 11 (13%) had died and 57 (74% of eligible children) were assessed at corrected age 7 years. Survival without neurodevelopmental impairment occurred in 25 of 68 children (37%), with no significant difference between tight (14 of 35; 40%) and standard (11 of 33; 33%) glycemic control groups (P = .60). Children in the tight group were shorter than those in the standard group (121.3 [6.3] cm vs 125.1 [5.4] cm; P < .05), but had similar weight and head circumference. Children in the tight group had greater height-adjusted lean mass (18.7 [0.3] vs 17.6 [0.2] kg; P < .01) and lower fasting glucose concentrations (84.6 [6.30] vs 90.0 [5.6] mg?dL-1; P < .05), but no other differences in measures of body composition or insulin-glucose metabolism. CONCLUSION: Tight glycemic control for neonatal hyperglycemia does not change survival without neurodevelopmental impairment, but reduces height, increases height-adjusted lean mass, and reduces fasting blood glucose concentrations at school age. TRIAL REGISTRATION: ACTRN: 12606000270516. PMID- 29198540 TI - Severity and Features of Epistaxis in Children with a Mucocutaneous Bleeding Disorder. AB - OBJECTIVE: To use standardized bleeding questionnaires to compare the severity and patterns of epistaxis in children with a mucocutaneous bleeding disorder and control children. STUDY DESIGN: The epistaxis sections of the Pediatric Bleeding Questionnaire (PBQ) administered to pediatric patients with von Willebrand disease or a platelet function disorder and healthy control children were reviewed. Scores and features of epistaxis (frequency, duration, onset, site, seasonal correlation, and need for medical/surgical intervention) were recorded. A PBQ epistaxis score >=2 was defined as clinically significant. The Katsanis epistaxis scoring system was administered to eligible patients, ie, with >=5 episodes of epistaxis per year. RESULTS: PBQ epistaxis scores were obtained for 66 patients, median age 12 years (range 0.6-18.3 years), and 56 control children. The median PBQ epistaxis score in patients was 2 vs 0 in control children (P <.0001). All of the features of epistaxis, except spontaneous onset, occurred in a significantly greater proportion of patients than control children with epistaxis. A total of 50% of the patients were graded as having severe epistaxis by the Katsanis epistaxis scoring system, and 30 of these (91%) had a clinically significant PBQ epistaxis score. CONCLUSION: Standardized bleeding questionnaires are useful in the assessment of epistaxis severity and pattern and may help to distinguish children with and without a mucocutaneous bleeding disorder. PMID- 29198541 TI - Returning Adolescents to Driving after Sports-Related Concussions: What Influences Physician Decision-Making. AB - OBJECTIVE: To determine which data collected on an initial patient clinic visit for a sports-related concussion (SRC) might influence physicians to clear an adolescent to return to drive (RTD) after injury. STUDY DESIGN: Retrospective cohort study of 189 adolescents with a SRC referred to a hospital-based concussion clinic between June 1, 2015, and May 31, 2016. Subjects were >=16 years with a valid driver's license (median age = 16, IQR [16, 17]). Concussion evaluations included Post-Concussion Symptom Scale, modified Balance Error Scoring System, and postinjury computerized neurocognitive testing (CNT). Clearance for RTD was the main outcome. Statistical comparisons were conducted with Mann-Whitney U and chi2 tests and logistic regression. RESULTS: In multivariable analysis, odds of being fully cleared to drive were 5.9-fold greater among patients who were administered CNT. Stated symptoms of "headache" and "sensitivity to light" were statistically significantly associated with RTD clearance. For a subset of 113 individuals undergoing CNT, each additional 10 millisecond decrease in simple reaction time was associated with 9% greater odds of being cleared to drive. Each additional 10-millisecond decrease in choice reaction time was associated with 4% greater odds of being cleared to drive. CONCLUSIONS: CNT and associated reaction time measures may facilitate a physician's objective decision-making. Making a RTD determination for adolescents recovering from an SRC should be a core component of a physician's assessment. PMID- 29198542 TI - Kawasaki Disease Substantially Impacts Health-Related Quality of Life. AB - OBJECTIVE: To prospectively evaluate the acute impact of Kawasaki disease (KD) on health-related quality of life (HRQoL) and to assess deterioration in the HRQoL experienced by children with KD compared with other childhood diseases. STUDY DESIGN: We merged the Outcomes Assessment Program database obtained prospectively with the existing KD database and queried for KD admissions between 1 month and 13 years of age. HRQoL was evaluated with the parent-proxy Pediatric Quality of Life Inventory (PedsQL) 4.0 Generic Core and Infant Scales. We compared the KD HRQoL results with those obtained from newly diagnosed patients with cancer and pneumonia, matched for age, sex and race. PedsQL total scores over time were assessed with ANCOVA models, adjusted for matching variables and PedsQL score prior to admission. RESULTS: We identified 89 patients with KD and compared 65 subjects with an equal number with pneumonia and with 67 subjects with newly diagnosed cancer. Patients with demonstrated lower PedsQL total score on admission and suffered a significantly greater HRQoL decline from baseline to admission than the other groups. KD diagnostic subtype (complete or incomplete) and coronary artery dilatation were not associated with HRQoL outcomes. However, non-intravenous immunoglobulin responders showed greater HRQoL decline than responders (P = .03). CONCLUSIONS: Children with KD suffer acute and significant HRQoL impairment exceeding that of children newly diagnosed with cancer. Lack of immediate treatment response may exert an additional HRQoL burden, whereas KD subtype and coronary artery dilatation do not. PMID- 29198544 TI - Hepatic Vascular Tumors in the Neonate: Angiosarcoma. PMID- 29198543 TI - Exposure to Gastric Acid Inhibitors Increases the Risk of Infection in Preterm Very Low Birth Weight Infants but Concomitant Administration of Lactoferrin Counteracts This Effect. AB - OBJECTIVE: To investigate whether exposure to inhibitors of gastric acidity, such as H2 blockers or proton pump inhibitors, can independently increase the risk of infections in very low birth weight (VLBW) preterm infants in the neonatal intensive care unit. STUDY DESIGN: This is a secondary analysis of prospectively collected data from a multicenter, randomized controlled trial of bovine lactoferrin (BLF) supplementation (with or without the probiotic Lactobacillus rhamnosus GG) vs placebo in prevention of late-onset sepsis (LOS) and necrotizing enterocolitis (NEC) in preterm infants. Inhibitors of gastric acidity were used at the recommended dosages/schedules based on the clinical judgment of attending physicians. The distribution of days of inhibitors of gastric acidity exposure between infants with and without LOS/NEC was assessed. The mutually adjusted effects of birth weight, gestational age, duration of inhibitors of gastric acidity treatment, and exposure to BLF were controlled through multivariable logistic regression. Interaction between inhibitors of gastric acidity and BLF was tested; the effects of any day of inhibitors of gastric acidity exposure were then computed for BLF-treated vs -untreated infants. RESULTS: Two hundred thirty five of 743 infants underwent treatment with inhibitors of gastric acidity, and 86 LOS episodes occurred. After multivariate analysis, exposure to inhibitors of gastric acidity remained significantly and independently associated with LOS (OR, 1.03; 95% CI, 1.008-1.067; P = .01); each day of inhibitors of gastric acidity exposure conferred an additional 3.7% odds of developing LOS. Risk was significant for Gram-negative (P < .001) and fungal (P = .001) pathogens, but not for Gram-positive pathogens (P = .97). On the test for interaction, 1 additional day of exposure to inhibitors of gastric acidity conferred an additional 7.7% risk for LOS (P = .003) in BLF-untreated infants, compared with 1.2% (P = .58) in BLF-treated infants. CONCLUSION: Exposure to inhibitors of gastric acidity is significantly associated with the occurrence of LOS in preterm VLBW infants. Concomitant administration of BLF counteracts this selective disadvantage. TRIAL REGISTRATION: isrctn.org: ISRCTN53107700. PMID- 29198545 TI - Burden of Poor Health Conditions and Quality of Life in 656 Children with Primary Immunodeficiency. AB - OBJECTIVE: To gain insight into how primary immunodeficiencies (PIDs) affect children's health status and quality of life. STUDY DESIGN: The French Reference Center for PIDs conducted a prospective multicenter cohort that enrolled participants who met all criteria: patients included in the French Reference Center for PIDs registry, children younger than18 years, and living in France. Participants were asked to complete both a health questionnaire and a health related quality of life (HR-QoL) questionnaire. A severity score was assigned to each health condition: grade 1 (mild) to grade 4 (life-threatening). HR-QoL in children was compared with age- and sex-matched French norms. RESULTS: Among 1047 eligible children, 656 were included in the study, and 117 had undergone hematopoietic stem cell transplantation; 40% experienced at least one grade 4 condition, and 83% experienced at least one grade 3 or 4 condition. Compared with the French norms, children with PID scored significantly lower for most HR-QoL domains. Low HR-QoL scores were associated strongly with burden of poor conditions. CONCLUSIONS: Our results quantify the magnitude of conditions in children with PID and demonstrate that the deleterious health effects borne by patients already are evident in childhood. These results emphasize the need to closely monitor this vulnerable population and establish multidisciplinary healthcare teams from childhood. TRIAL REGISTRATION: ClinicalTrials.gov: NCT02868333 and EudraCT 2012-A0033-35. PMID- 29198546 TI - Lack of experience is a significant factor in the missed diagnosis of perilunate fracture dislocation or isolated dislocation. AB - OBJECTIVE: The aim of this study was to analyze the risk factors contributing to the misdiagnosis of perilunate injuries. METHODS: The study included patients who had perilunate dislocation or fracture dislocation correctly or incorrectly diagnosed on initial examination between 2008 and 2014. Data related to the length of time until correct diagnosis of the perilunate injury; cause of injury; presence of associated fractures, polytrauma or concomitant trauma in the ipsilateral upper extremity; time between injury and first presentation; first treatment applied; presence of ligamentous perilunar injuries only or fracture and dislocation; inadequate radiographic assessment; and experience of the physicians were recorded and analyzed. RESULTS: A total of 44 wrists were included in the study. Of those, 10 (22.7%) wrists (mean patient age: 44.4 years [28 +/- 58 years]) with perilunate injuries were misdiagnosed in the initial evaluation. All of the risk factors were found to be similar between the group of patients with correct initial diagnosis and missed diagnosis group, except for the experience of the orthopedic surgeon assessing the injury (p = 0.0001). Of the surgeons who missed the diagnosis, 70% reported that it was their first encounter with a perilunate injury. CONCLUSION: The results of this study indicated that lack of experience was the most important factor in the misdiagnosis of perilunate fracture dislocation or isolated dislocation. LEVEL OF EVIDENCE: Level IV, diagnostic study. PMID- 29198547 TI - Pelvic organ prolapse. PMID- 29198548 TI - Embolization of arterial gastrointestinal hemorrhage with Fuaile medical adhesive. AB - BACKGROUND: To investigate the safety and effectiveness of Fuaile medical adhesive (FAL) with superselective catheterization in endovascular embolotherapy for the treatment of gastrointestinal hemorrhage (GIH) that was unresponsive to internal medicine treatment and gastroscopy management. METHODS: A total of 25 patients with GIH, confirmed using angiography but with failed results after internal medicine treatment or gastroscopy were retrospectively analyzed. A mixture of lipiodol and FAL (1:1) was used to embolize the bleeding vessels. In the follow-up, the operation time, FAL amount, technical success rate, clinical success rate, postoperative complications, and survival conditions were compared and analyzed. RESULTS: Among the 25 patients with GIH, FAL was applied alone in 23 patients and microcoil combined with FAL was applied in two patients. Hemostasis was successfully achieved in all patients. Two patients treated with embolotherapy experienced relapse of bleeding within 30 days but achieved successful hemostasis with FAL. Four patients died during follow-up: three patients died of advanced cancer and one patient died of severe infection induced by necrotizing pancreatitis. Three patients developed postoperative intestinal ischemic symptoms, which resolved spontaneously in two patients. In one patient, abdominal pain progressively aggravated. This patient underwent surgical resection, which confirmed the presence of colonic neoplasms. The intraoperative view revealed obvious ischemia of the local normal bowel near the tumor; however, the patient finally recovered and was discharged after surgery. The remaining patients exhibited good survival during the postoperative follow-up. CONCLUSION: FAL embolotherapy has a high success rate for arterial GIH that was unresponsive to internal medicine treatment and gastroscopy management, with low postoperative rates of bleeding and complications; thus, this method has a high cost-efficacy. PMID- 29198549 TI - Development and validation of a Taiwan version of the ID Pain questionnaire (ID Pain-T). AB - BACKGROUND: Neuropathic pain (NeP) is distinct from nociceptive pain and has different underlying mechanisms requiring specific treatment strategies. To aid diagnosis, self-administered screening questionnaires (such as ID Pain) have been developed to help physicians identify patients with NeP. The aim of this study was to develop and validate a translated ID Pain questionnaire for Taiwanese subjects (ID Pain-T). METHODS: ID Pain, a 6-item self-administered questionnaire, score ranged from -1 to 5, was translated from English into Mandarin Chinese using local terms and back-translated by an expert panel. A prospective, non randomized, multi-center study was performed in four medical centers in Taiwan. Patients aged over 18 years with pain other than headache for more than 30 days in either neurology or pain clinic were prospectively recruited. They completed the ID Pain-T questionnaire themselves. The study investigators, blinded to the subjects' ID Pain-T scores, examined subjects using a standardized clinical and neurological diagnostic procedure. The ID Pain-T questionnaire scores were verified and validated. RESULTS: A total of 317 patients completed the study. Clinical diagnosis of NeP was given for 189 (60%) patients, mixed pain diagnosed in 7 (2%) patients, and nociceptive pain in 121 (38%) patients. The reliability and consistency of the ID Pain-T were acceptable, with a Cronbach's alpha value of 0.6. Statistical analysis of the ID Pain-T questionnaire calculated an optimal cut-off score of >=2 for determining NeP with 77% sensitivity and 74% specificity for predicting NeP. Ordinary least squares regression analysis showed significant predictive accuracy of the ID Pain-T questionnaire for NeP (P < 0.0001). These results are comparable to other studies that have translated the ID Pain questionnaire into other languages. CONCLUSION: This study provides evidence that the ID Pain-T questionnaire is a valid and reliable self-administered screening tool to identify NeP in Taiwanese patients. PMID- 29198550 TI - The susceptibility of anti-tuberculosis drug-induced liver injury and chronic hepatitis C infection: A systematic review and meta-analysis. AB - BACKGROUND: Anti-tuberculosis drug-induced liver injury (ATDILI) is a major safety concern in the treatment of tuberculosis (TB). The impact of chronic hepatitis C (CHC) infection on the risk of ATDILI is still controversial. We aimed to assess the influence of CHC infection on ATDILI through a systematic review and meta-analysis. METHODS: We systemically reviewed all English-language literature in the major medical databases with the subject search terms "anti tuberculosis drug-induced liver injury" and "anti-tuberculosis drug-induced hepatotoxicity". We then performed a systematic review and meta-analysis of the papers relevant to hepatitis C in qualified publications. RESULTS: A total of 14 studies were eligible for analysis, which included 516 cases with ATDILI and 4301 controls without ATDILI. The pooled odds ratio (OR) of all studies for CHC infection to ATDILI was 3.21 (95% confidence interval (CI): 2.30-4.49). Subgroup analysis revealed that the CHC carriers had a higher risk of ATDILI than those without CHC both in Asians (OR = 2.96, 95% CI: 1.79-4.90) and Caucasians (OR = 4.07, 95% CI: 2.70-6.14), in those receiving standard four combination anti-TB therapy (OR = 2.94, 95% CI: 1.95-4.41) and isoniazid monotherapy (OR = 4.18, 95% CI: 2.36-7.40), in those with a strict definition of DILI (serum alanine aminotransferase [ALT] > 5 upper limit of normal value [ULN], OR = 2.59, 95% CI: 1.58-4.25) and a loose definition of DILI (ALT > 2 or 3 ULN, OR = 4.34, 95% CI: 2.96-6.37), and in prospective studies (OR = 4.16, 95% CI: 2.93-5.90) and case control studies (OR = 2.43, 95% CI: 1.29-4.58). CONCLUSION: This meta-analysis suggests that CHC infection may increase the risk of ATDILI. Regular liver tests are mandatory for CHC carriers under anti-TB therapy. PMID- 29198551 TI - Experience of double balloon enteroscopy. AB - BACKGROUND: To evaluated the experiences of double balloon enteroscopy (DBE) for obscure gastrointestinal bleeding. METHODS: From October 2003 to November 2009, a total of 124 patients with obscure gastrointestinal bleeding were investigated using DBE. A total of 142 procedures (84 per oral and 58 per rectal route) were performed by the same endoscopist. RESULTS: The average insertion time was 71.4 (20-199) minutes per-orally; the average insertion time was 139.2 min for the first 5 procedures, 109.4 min for 6-10 procedures, 76.6 min for 11-15, 66.4 min for 16-20, 67.4 min for 21-25, 59 min for 26-30, 66 min for 31-35, 52 min for 36 40, 42.9 min for 41-45, 44.6 min for 46-50, 42.2 min for 51-55, 38.6 min for 56 60, 44.6 min for 61-65, 37.8 min for 66-70, 38.8 min for 71-75, 44.3 min for 76 80, and 36.6 min for 61-84 procedures; there was no statistical difference after the first ten procedures. The average insertion time was 92.1 (22-260) minutes per-rectally; the average insertion time was 159.6 min for the first 5 procedures, 98.4 min for 6-10 procedures, 86.6 min for 11-15, 76.4 min for 16-20, 82.4 min for 21-25, 75.0 min for 26-30, 78.2 min for 31-35, 72.4 min for 36-40, 68.2 min for 41-45, 66.9 min for 45-50, and 71.4 min for 51-58 procedures; there was no statistical difference after the first five procedures. For the different genders these was no statistically significant difference. There were no differences regarding the diagnostic yield between the previous factors. The overall diagnostic yield was 82.4%. CONCLUSION: DBE is a safe and effective means of diagnosing and managing patients with obscure gastrointestinal bleeding. However, because of its time-consuming, DBE has a learning curve to overcome before a physician can become an expert to achieve adequate insertion times with good diagnostic and therapeutic rates. PMID- 29198552 TI - Increased prevalence of proliferative retinopathy in patients with acromegaly. AB - BACKGROUND: This pilot study was carried to determine the prevalence of retinopathy, especially proliferative retinopathy, in patients with acromegaly. METHODS: We analyzed 43 acromegalic patients and 129 age- and gender-matched patients with type 2 diabetes. The retinopathy status was determined from the medical records based on the ophthalmologist consultations of patients with acromegaly. Color photographs of the macula- and disc-centered views were obtained at an angle of 45 degrees with a fundus camera after pharmacologic induced mydriasis in patients with type 2 diabetes. RESULTS: Compared with age- and gender-matched patients with type 2 diabetes, the acromegalic patients had lower fasting plasma glucose levels and lower systolic and diastolic blood pressures, but were taller and had higher IGF-1 levels. Any degree of retinopathy was present in 9.3% (4 of 43) of patients with acromegaly and 34.9% (45 of 129) of patients with type 2 diabetes (odds ratio [OR] = 0.191; 95% confidence interval [CI] = 0.064-0.570). Proliferative retinopathy was present in 9.3% (4 of 43) of patients with acromegaly and 9.3% (12 of 129) of patients with type 2 diabetes (OR = 1.000; 95% CI = 0.305-3.281). Non-proliferative retinopathy was absent in patients with acromegaly, but present in 25.9% (33 of 129) of patients with type 2 diabetes. CONCLUSION: The high proliferative, but absence of non proliferative retinopathy in our patients with acromegaly may reflect the pathogenic effect of IGF-1 on neovascularization. IGF-1 may play an important role in proliferative retinopathy, but may play no role in non-proliferative retinopathy. PMID- 29198553 TI - 6-Month follow-up of a case with psychosis triggered by valacyclovir. PMID- 29198555 TI - Publish and perish. PMID- 29198554 TI - Research on rat's pulmonary acute injury induced by lunar soil simulant. AB - BACKGROUND: The steps to the moon never stopped after the Apollo Project. Lessons from manned landings on the moon have shown that lunar dust has great influence on the health of astronauts. In this paper, comparative studies between the lunar soil simulant (LSS) and PM2.5 were performed to discover their harm to human biological systems and explore the methods of prevention and treatment of dust poisoning for future lunar manned landings. METHODS: Rats were randomly divided into the control group, two CAS-1 lunar soil simulant groups (tracheal perfusion with 7 mg and 0.7 mg, respectively, in a 1-mL volume) and the PM2.5 group (tracheal perfusion with 0.7 mg in a 1-mL volume). The biochemical indicators in the bronchoalveolar lavage fluid (BALF), MPO activity in the lung tissue, pathologic changes, and inflammatory cells in the BALF were measured after 4 h and 24 h. RESULTS: The LSS group showed cytotoxicity that was closely related to the concentration. The figures of the two LSS groups (4 and 24 h) show that the alveolar septa were thickened. Additionally, it was observed that neutrophils had infiltrated, and various levels of inflammation occurred around the vascular and bronchial structures. CONCLUSION: The overall results of the acute effects of the lungs caused by dust showed that the lung toxicity of LSS was greater than that of PM2.5. LSS could induce lung damage and inflammatory lesions. The biomarkers in BALF caused by acute injury were consistent with histopathologic observations. PMID- 29198556 TI - Title ultrasound features of ovarian melanoma metastases: The "Golf ball" aspect. AB - Melanoma is an malignant tumor with an unpredictable profile of spread and variable periods of remissions. Both ovarian involvement of malignant melanoma and primary ovarian melanoma are extremely rare conditions with few cases reported in the literature. They always represent a diagnostic challenge as they mimic various ovarian entities from primary ovarian malignancy to benign tumors. Ovarian metastasis often present with images similar to the primary tumors, and there is no typical finding that differentiate them, apart from the multilocular tendency which would favor a primary process. We here report an extremely rare case of ovarian melanoma metastasis with detailed ultrasound examination, never specifically described in literature and whit the "Golf Ball" aspect. This metastatic tumor seems to be bilateral, with mean diameter (<10cm), main solid appearance, and rich vascularization, so more comparable to stomach-breast metastases. Moreover atypical multiple small cysts responsible of ultrasound "golf ball" aspect correspond to the histological diagnosis of follicular cysts surrounded by metastatic cancer while partial hyperechoic solid component could be related to the different histological pattern. These sonographic features may be useful in the difficult differential diagnosis between ovarian cancer primitive and ovarian melanoma metastases especially in cases with unclear patient history. PMID- 29198557 TI - Saffron: From Greek mythology to contemporary anti-atherosclerotic medicine. PMID- 29198559 TI - Department of Error. PMID- 29198558 TI - A new vision for global health leadership. PMID- 29198560 TI - Lipoamide Inhibits NF1 Deficiency-induced Epithelial-Mesenchymal Transition in Murine Schwann Cells. AB - BACKGROUND AND AIMS: Neurofibromatosis type I (NF1) is one of the most common neurocutaneous syndromes characterized by development of adult neurofibromas which is mainly made up of Schwann cells. The disease is generally accepted to be caused by inactivation mutation of Nf1 gene. And Nf1 deficiency had been reported to lead to ROS overproduction and epithelial-mesenchymal transition (EMT) phenotype. This study was designed to investigate whether excessive ROS conferred to Nf1 deficiency-induced EMT in Schwann cells. METHODS: Colony formation, wound healing assay and transwell assay was used to evaluate the effects of stable Nf1 knockdown in SW10 Schwann cells. Western blot and ROS assay was conducted to explore the molecular mechanisms of Nf1 inactivation in tumorigenesis. Animal experiments were performed to assess the inhibitory effects of lipoamide, which is the neutral amide of alpha-lipoic acid and functions as a potent antioxidant to scavenge ROS, on Nf1-deficiency tumor growth in vivo. RESULTS: Nf1 knockdown enhanced the cellular capacities of proliferation, migration and invasion, promoted ROS generation, decreased the expression of epithelial surface marker E cadherin, and up-regulated several EMT-associated molecules in Schwann cells. Moreover, lipoamide dose-dependently inhibited not only Nf1 deficiency-induced EMT but also spontaneous EMT. Furthermore, lipoamide markedly suppresses tumor growth in a mouse model of NF1-associated neurofibroma. CONCLUSIONS: Our results clearly reveal that ROS overproduction is responsible for Nf1 deficiency-induced EMT and plays a crucial role in NF1 tumor growth. The findings presented herein shed light on the potential of antioxidant therapy to prevent the progression of NF1-associated neurofibroma. PMID- 29198562 TI - Disease burden and costs from excess alcohol consumption, obesity, and viral hepatitis: fourth report of the Lancet Standing Commission on Liver Disease in the UK. AB - This report contains new and follow-up metric data relating to the eight main recommendations of the Lancet Standing Commission on Liver Disease in the UK, which aim to reduce the unacceptable harmful consequences of excess alcohol consumption, obesity, and viral hepatitis. For alcohol, we provide data on alcohol dependence, damage to families, and the documented increase in alcohol consumption since removal of the above-inflation alcohol duty escalator. Alcoholic liver disease will shortly overtake ischaemic heart disease with regard to years of working life lost. The rising prevalence of overweight and obesity, affecting more than 60% of adults in the UK, is leading to an increasing liver disease burden. Favourable responses by industry to the UK Government's soft drinks industry levy have been seen, but the government cannot continue to ignore the number of adults being affected by diabetes, hypertension, and liver disease. New direct-acting antiviral drugs for the treatment of chronic hepatitis C virus infection have reduced mortality and the number of patients requiring liver transplantation, but more screening campaigns are needed for identification of infected people in high-risk migrant communities, prisons, and addiction centres. Provision of care continues to be worst in regions with the greatest socioeconomic deprivation, and deficiencies exist in training programmes in hepatology for specialist registrars. Firm guidance is needed for primary care on the use of liver blood tests in detection of early disease and the need for specialist referral. This report also brings together all the evidence on costs to the National Health Service and wider society, in addition to the loss of tax revenue, with alcohol misuse in England and Wales costing L21 billion a year (possibly up to L52 billion) and obesity costing L27 billion a year (treasury estimates are as high as L46 billion). Voluntary restraints by the food and drinks industry have had little effect on disease burden, and concerted regulatory and fiscal action by the UK Government is essential if the scale of the medical problem, with an estimated 63 000 preventable deaths over the next 5 years, is to be addressed. PMID- 29198561 TI - Transcriptome-wide Analysis of Roles for tRNA Modifications in Translational Regulation. AB - Covalent nucleotide modifications in noncoding RNAs affect a plethora of biological processes, and new functions continue to be discovered even for well known modifying enzymes. To systematically compare the functions of a large set of noncoding RNA modifications in gene regulation, we carried out ribosome profiling in budding yeast to characterize 57 nonessential genes involved in tRNA modification. Deletion mutants exhibited a range of translational phenotypes, with enzymes known to modify anticodons, or non-tRNA substrates such as rRNA, exhibiting the most dramatic translational perturbations. Our data build on prior reports documenting translational upregulation of the nutrient-responsive transcription factor Gcn4 in response to numerous tRNA perturbations, and identify many additional translationally regulated mRNAs throughout the yeast genome. Our data also uncover unexpected roles for tRNA-modifying enzymes in regulation of TY retroelements, and in rRNA 2'-O-methylation. This dataset should provide a rich resource for discovery of additional links between tRNA modifications and gene regulation. PMID- 29198564 TI - Linking stem cell function and growth pattern of intestinal organoids. AB - Intestinal stem cells (ISCs) require well-defined signals from their environment in order to carry out their specific functions. Most of these signals are provided by neighboring cells that form a stem cell niche, whose shape and cellular composition self-organize. Major features of this self-organization can be studied in ISC-derived organoid culture. In this system, manipulation of essential pathways of stem cell maintenance and differentiation results in well described growth phenotypes. We here provide an individual cell-based model of intestinal organoids that enables a mechanistic explanation of the observed growth phenotypes. In simulation studies of the 3D structure of expanding organoids, we investigate interdependences between Wnt- and Notch-signaling which control the shape of the stem cell niche and, thus, the growth pattern of the organoids. Similar to in vitro experiments, changes of pathway activities alter the cellular composition of the organoids and, thereby, affect their shape. Exogenous Wnt enforces transitions from branched into a cyst-like growth pattern; known to occur spontaneously during long term organoid expansion. Based on our simulation results, we predict that the cyst-like pattern is associated with biomechanical changes of the cells which assign them a growth advantage. The results suggest ongoing stem cell adaptation to in vitro conditions during long term expansion by stabilizing Wnt-activity. Our study exemplifies the potential of individual cell-based modeling in unraveling links between molecular stem cell regulation and 3D growth of tissues. This kind of modeling combines experimental results in the fields of stem cell biology and cell biomechanics constituting a prerequisite for a better understanding of tissue regeneration as well as developmental processes. PMID- 29198563 TI - Transient transcriptional silencing alters the cell cycle to promote germline stem cell differentiation in Drosophila. AB - Transcriptional silencing is a conserved process used by embryonic germ cells to repress somatic fate and maintain totipotency and immortality. In Drosophila, this transcriptional silencing is mediated by polar granule component (pgc). Here, we show that in the adult ovary, pgc is required for timely germline stem cell (GSC) differentiation. Pgc is expressed transiently in the immediate GSC daughter (pre-cystoblast), where it mediates a pulse of transcriptional silencing. This transcriptional silencing mediated by pgc indirectly promotes the accumulation of Cyclin B (CycB) and cell cycle progression into late-G2 phase, when the differentiation factor bag of marbles (bam) is expressed. Pgc mediated accumulation of CycB is also required for heterochromatin deposition, which protects the germ line genome against selfish DNA elements. Our results suggest that transient transcriptional silencing in the pre-cystoblast "re-programs" it away from self-renewal and toward the gamete differentiation program. PMID- 29198565 TI - EvoRegen in animals: Time to uncover deep conservation or convergence of adult stem cell evolution and regenerative processes. AB - How do animals regenerate specialised tissues or their entire body after a traumatic injury, how has this ability evolved and what are the genetic and cellular components underpinning this remarkable feat? While some progress has been made in understanding mechanisms, relatively little is known about the evolution of regenerative ability. Which elements of regeneration are due to lineage specific evolutionary novelties or have deeply conserved roots within the Metazoa remains an open question. The renaissance in regeneration research, fuelled by the development of modern functional and comparative genomics, now enable us to gain a detailed understanding of both the mechanisms and evolutionary forces underpinning regeneration in diverse animal phyla. Here we review existing and emerging model systems, with the focus on invertebrates, for studying regeneration. We summarize findings across these taxa that tell us something about the evolution of adult stem cell types that fuel regeneration and the growing evidence that many highly regenerative animals harbor adult stem cells with a gene expression profile that overlaps with germline stem cells. We propose a framework in which regenerative ability broadly evolves through changes in the extent to which stem cells generated through embryogenesis are maintained into the adult life history. PMID- 29198566 TI - Pseudotyped baculovirus is an effective gene expression tool for studying molecular function during axolotl limb regeneration. AB - Axolotls can regenerate complex structures through recruitment and remodeling of cells within mature tissues. Accessing the underlying mechanisms at a molecular resolution is crucial to understand how injury triggers regeneration and how it proceeds. However, gene transformation in adult tissues can be challenging. Here we characterize the use of pseudotyped baculovirus (BV) as an effective gene transfer method both for cells within mature limb tissue and within the blastema. These cells remain competent to participate in regeneration after transduction. We further characterize the effectiveness of BV for gene overexpression studies by overexpressing Shh in the blastema, which yields a high penetrance of classic polydactyly phenotypes. Overall, our work establishes BV as a powerful tool to access gene function in axolotl limb regeneration. PMID- 29198568 TI - NosP-Regulated Nosiheptide Production Responds to Both Peptidyl and Small Molecule Ligands Derived from the Precursor Peptide. AB - Nosiheptide, an archetypal member of thiopeptide antibiotics, arises from post translational modifications of a ribosomally synthesized precursor peptide that contains an N-terminal leader peptide (LP) sequence and a C-terminal core peptide (CP) sequence. Despite extensive efforts concerning the biosynthesis of thiopeptide antibiotics, the regulatory mechanisms in this process remain poorly understood. Using the nosiheptide-producing Streptomyces actuosus strain as a model system, we report here that NosP, a Streptomyces antibiotic regulatory protein, serves as the only cluster-situated regulator and activates the transcription of all structural genes, which are organized into two divergently transcribed operons in the nos cluster, by binding to their intergenic region. NocP, the counterpart of NosP in Nocardia sp., regulates the production of structurally related nocathiacin I in a similar manner. NosP activity senses the nosiheptide biosynthetic process by interactions with both peptidyl and small molecule ligands that result from the LP and CP parts of the precursor peptide, respectively. PMID- 29198567 TI - Conserved Lipid and Small-Molecule Modulation of COQ8 Reveals Regulation of the Ancient Kinase-like UbiB Family. AB - Human COQ8A (ADCK3) and Saccharomyces cerevisiae Coq8p (collectively COQ8) are UbiB family proteins essential for mitochondrial coenzyme Q (CoQ) biosynthesis. However, the biochemical activity of COQ8 and its direct role in CoQ production remain unclear, in part due to lack of known endogenous regulators of COQ8 function and of effective small molecules for probing its activity in vivo. Here, we demonstrate that COQ8 possesses evolutionarily conserved ATPase activity that is activated by binding to membranes containing cardiolipin and by phenolic compounds that resemble CoQ pathway intermediates. We further create an analog sensitive version of Coq8p and reveal that acute chemical inhibition of its endogenous activity in yeast is sufficient to cause respiratory deficiency concomitant with CoQ depletion. Collectively, this work defines lipid and small molecule modulators of an ancient family of atypical kinase-like proteins and establishes a chemical genetic system for further exploring the mechanistic role of COQ8 in CoQ biosynthesis. PMID- 29198569 TI - A combination of clinical risk stratification and fecal immunochemical test is useful for identifying persons with high priority of early colonoscopy. AB - BACKGROUND: We aimed to develop a combination screening strategy for advanced colorectal neoplasia based on the Asia-Pacific Colorectal Screening score and fecal immunochemical test results. METHODS: We reviewed the records of participants who had undergone a colonoscopy and fecal immunochemical test as part of a comprehensive health screening program. The prevalence of advanced colorectal neoplasia in participants 40-49 years old was analyzed according to Asia-Pacific Colorectal Screening scores and fecal immunochemical test results. RESULTS: We analyzed the data of 9205 participants 40-49 years old and 3215 participants >=50 years old. The prevalence of advanced colorectal neoplasia in participants 40-49 years old was 1.0%, 2.1%, 7.1%, and 13.4% in the "fecal immunochemical test (-) & Asia-Pacific Colorectal Screening<2," "fecal immunochemical test (-) & Asia-Pacific Colorectal Screening>=2," "fecal immunochemical test (+) & Asia-Pacific Colorectal Screening<2," and "fecal immunochemical test (+) & Asia-Pacific Colorectal Screening>=2" subgroups, respectively. The prevalence of advanced colorectal neoplasia in "fecal immunochemical test (+) & Asia-Pacific Colorectal Screening>=2" subgroup was higher than in participants >=50 years old with Asia-Pacific Colorectal Screening>=4 (13.4% vs. 5.8%, P<0.001). CONCLUSIONS: Fecal immunochemical test positive individuals 40-49 years old with an Asia-Pacific Colorectal Screening>=2 have a higher risk of advanced colorectal neoplasia than individuals >=50 years old with an Asia-Pacific Colorectal Screening>=4. PMID- 29198570 TI - Every polyp is not an adenoma: Ganglioneuroma of the colon. PMID- 29198571 TI - Wearing long sleeves while prepping a patient in the operating room decreases airborne contaminants. AB - BACKGROUND: The use of long sleeves by nonscrubbed personnel in the operating room has been called into question. We hypothesized that wearing long sleeves and gloves, compared with having bare arms without gloves, while applying the skin preparation solution would decrease particulate and microbial contamination. METHODS: A mock patient skin prep was performed in 3 different operating rooms. A long-sleeved gown and gloves, or bare arms, were used to perform the procedure. Particle counters were used to assess airborne particulate contamination, and active and passive microbial assessment was achieved through air samplers and settle plate analysis. Data were compared with Student's t-test or Mann-Whitney U, and P < .05 was considered to be significant. RESULTS: Operating room B demonstrated decreased 5.0- um particle sizes with the use of sleeves, while operating rooms A and C showed decreased total microbes only with the use of sleeves. Despite there being no difference in the average number of total microbes for all operating rooms assessed, the use of sleeves specifically appeared to decrease the shed of Micrococcus. CONCLUSION: The use of long sleeves and gloves while applying the skin preparation solution decreased particulate and microbial shedding in several of the operating rooms tested. Although long sleeves may not be necessary for all operating room personnel, they may decrease airborne contamination while the skin prep is applied, which may lead to decreased surgical site infections. PMID- 29198573 TI - The promoter polymorphisms in HTR2A gene associated with schizophrenia in Chinese of Han ethnicity. PMID- 29198572 TI - Acute Myocardial Infarction as the Initial Manifestation of Delayed Bioprosthesis Thrombosis After Transcatheter Aortic Valve Replacement. AB - Bioprosthesis thrombosis after transcatheter aortic valve replacement (TAVR) raised concerns about further clinical events. We report the case of a patient who suffered acute myocardial infarction (AMI) after TAVR for 3 years. Thrombosis was confirmed in the right coronary sinus of Valsalva by transthoracic echocardiography. Coronary angiography demonstrated the ostium of the right coronary artery was occluded. As an attempt to perform percutaneous coronary intervention (PCI) was unsuccessful, long-term therapeutic anticoagulation with warfarin was undertaken. Within 2 weeks, symptoms were relieved, and the right coronary ostium thrombus disappeared on computed tomography (CT) angiography. This case highlights the AMI as initial manifestation of delayed bioprosthesis thrombosis and the importance of anticoagulation against the bioprosthesis thrombosis. Meanwhile, the difficulty of PCI after TAVR is not only the stent frame of bioprosthesis, but also the location of the thrombosis. PMID- 29198574 TI - Design and application of a fluorogenic assay for monitoring inflammatory caspase activity. AB - Various fluorogenic assays exist for monitoring the activity of inflammatory caspases. However, there are no continuous assays that provide C-terminal substrate sequence specificity for inflammatory caspases. As a first step towards this, we have developed a continuous in vitro assay that relies on monitoring emission from tryptophan after cleavage of a quenching coumarin chromophore. The coumarin can be attached as an amino acid side chain or capping the C-terminus of the peptide. When the coumarin is a side chain, it allows for C-terminal and N terminal sequence specificities to be explored. Using this assay, we obtained Michaelis-Menten kinetic data for four proof-of-principle peptides: WEHD-AMC (KM = 15 +/- 2 MUM), WEHD-MCA (KM = 93 +/- 19 MUM), WEHDG-MCA (KM = 21 +/- 6 MUM) and WEHDA-MCA (KM = 151 +/- 37 MUM), where AMC is 7-amino-4-methylcoumarin and MCA is beta-(7-methoxy-coumarin-4-yl)-Ala. The results indicate the viability of this new assay approach in the design of effective fluorogenic substrates for inflammatory caspases. PMID- 29198575 TI - Voltammetric determination of thujone in herbal matrices in the presence of Triton X-100. AB - A simple, sensitive and rapid method of low concentration of thujone determination using Controlled Growth Mercury Drop Electrode and Differential Pulse Voltammetry was described. The reduction of thujone in phosphoric acid or potassium nitrate, involves a quasi-reversible and adsorption-controlled two electron process. In voltammetric experiments the addition of ethanol and Triton X-100 is recommended. Experimental conditions, such as composition of supporting electrolyte, concentration of Triton X-100 and operation parameters were established. The optimal electrolyte should contain: 0.04 mol L-1 phosphoric acid (pH = 1.9) or 0.05 mol L-1 potassium nitrate (pH = 6.4), 0.0002% Triton X-100 and 9.6% ethanol. The calibration graph was linear from 0.7 to 140 mgL-1 of thujone in H3PO4 as supporting electrolyte and from 0.7 to 115 mgL-1 of the analyte in KNO3. The detection limit was 0.4 mgL-1 in H3PO4 and 0.6 mgL-1 in KNO3, with the correlation coefficient of 0.998. The influence of interfering substances, such as Al(III), Bi(III), Cd(II), Cr(III), Cu(II), Pb(II), Tl(I), V(III) and Zn(II) was studied. The proposed method was validated by the thujone recovery study from the specially prepared spiked herbal matrices and alcohol extract. The considered real sample was thuja oil, in which thujone was successfully determined. All measurements were performed without sample preparation. PMID- 29198576 TI - Influencing factors of domestic waste characteristics in rural areas of developing countries. AB - Waste management in rural areas has become a major challenge for governments of developing countries. The success of waste management decisions directly lies in the accuracy and reliability of the data on which choices are based; many factors influence these data. Here, we examined the factors influencing domestic waste in rural areas of developing countries (RADIC), using both field surveys and by reviewing previous literature. The social factors included population, education and culture. There was a positive linear relationship between waste generation amount and population size (R2 = 0.9405). Environmental education, training and demonstration projects played a positive role in improving people's awareness of the benefits of recycling and reducing waste. Traditional and national cultures, consumption and living habits contributed to variations in the generation and composition of domestic waste. Generally, practices related to conservation of and reverence for nature and green consumption encourage people to reduce, reuse and recycle waste in their daily life. Economic factors included household income and expenditure, energy and fuel structure, and types of industry that occurred in villages. A Kuznets inverted "U" curve relationship existed between domestic waste generation and people's income in rural areas of China. However, the waste generation rate had a linear relationship with the gross national income per capita in RADIC. The composition, bulk density and calorific value of domestic waste were variously affected by the energy and fuel structure and the types of industry that occurred. The natural factors included geography and climate (including rainfall, humidity, temperature and harvest seasons). The moisture content of waste was directly influenced by rainfall and humidity. Temperature affected waste characteristics by influencing residential heating modes. The waste characteristics were also influenced by the mixing of agricultural and aquacultural waste into domestic waste in the harvesting season. In different geographies, significant differences of domestic waste characteristics were observed as a result of comprehensive effects caused by multiple factors. Other factors included the administrative levels of communities and survey methods. The characteristics of domestic waste in towns or central villages were similar with those in cities, but were different from those in common villages (the smallest type of community). The domestic waste sampled in households indicated a lower rate of generation and lower ash content than when the waste was sampled at transfer stations or dumping sites. Based on the above analysis, the factors influencing domestic waste must be considered in order to optimize the design of waste management strategies in the RADIC. Furthermore, it is valuable and important to obtain more accurate data about waste characteristics. PMID- 29198577 TI - Bone autografts & allografts placed simultaneously with dental implants in rabbits. AB - OBJECTIVE: This study compared stability, removal torque, bone implant contact (BIC) and area (BA) of implants installed simultaneously with onlay autografts or allografts in rabbits' tibias. MATERIAL AND METHODS: Total of 18 rabbits were used in this study. Fresh frozen allografts were obtained from six animals at T( 6). Two implants with autogenous grafts (Group 1) or allografts (Group 2) were simultaneously inserted into both sides of the tibiae in a vertical periimplant defect model at T0. The resonance frequency (ISQ) was measured in implant proximal epiphysis on the day of installation of T0 and T18 (18 weeks post surgery). At T18 the removal torque was assessed at the distal implants, the implants' proximal epiphysis and surrounding bone were harvested to perform histomorphometric analysis. The BIC and BA within the limits of the implants threads were evaluated. RESULTS: The ISQ revealed a statistically significant difference between T0 and T18 in each group (p = 0.024, p = 0.003). The removal torque indicates that there was no significant difference between the two groups (p = 0.47). No significant differences were observed between the groups regarding both BIC (p = 0.3713) and the BA (p = 0.3883). CONCLUSION: Both grafts and implants demonstrated the same stability, torque removal and the BIC and BA. PMID- 29198578 TI - Influence of gender on epithelial host defence peptide gene expression under non infected and infected conditions: A basic medical research study. AB - Bacterial resistance against conventional antibiotics is increasing. This introduces challenges, for example, in the treatment of infected surgical wounds. Host defence peptides (HDP), which are endogenous peptide antibiotics, show broad spectrum antimicrobial effectiveness. They protect the organism against pathological microorganisms. Synthetic HDP might supplement or even become alternatives to conventional antibiotics. Knowledge of their quantities under physiological and pathophysiological conditions is therefore required. The influence of gender on HDP expression is unknown. This study evaluates whether gender influences HDP expression in infected or healthy epithelium. Expression levels of HDP human beta-defensin (hBD)-1, -2 and -3 and psoriasin (S100A7) were analysed, by using real-time polymerase chain reaction, in samples of epithelium from infected surgical wounds (n = 20) and healthy epithelium (n = 14) from the neck in a basic medical research study (analytic observational design). The results demonstrated a significantly elevated expression of hBD-2, hBD-3 and psoriasin (P = 0.001 each) in infected epithelium compared with healthy epithelium. No difference in HDP expression levels was evident between samples from female and male patients, either within infected samples or within healthy epithelium samples. Thus, gender does not affect the cutaneous expression of the investigated HDP. This is fundamental knowledge for the study and potential use of HDP derivates as alternative antibiotic substances. PMID- 29198579 TI - Determination of VEGF, collagen type 1 and versican in the discus articularis of the temporomandibular joint in relation to dental status. AB - The aim of this study was the investigation and comparison of the presence of vascular endothelial growth factor (VEGF), collagen type 1 and the proteoglycan versican in the discus articularis in relation to dental status (full dentition [1], partial dentition [2] and edentulous [3]). The right disci articulares were removed from 17 donated bodies (6 with full dentition, 5 with partial dentition and 6 edentulous). The specimens were immunohistochemically stained for VEGF, collagen type 1 and versican. Semiquantitative analysis of the disci was conducted within the groups based on the intensity of immunoreactivity of VEGF, collagen type 1 and versican. In addition, a pairwise comparison was carried out between the three experimental groups. The results revealed significantly higher immunoreactivity for VEGF and versican in groups 2 and 3 than in group 1. Conversely, determination of immunoreactivity was significantly higher in group 1 for collagen type 1 than in the other two groups. These results indicate an elevated presence of the proteoglycan versican and the neoangiogenesis factor VEGF when the occlusal supporting zone has been lost. By contrast, detection of collagen type 1 is reduced. The loss of collagen type 1 and rise in versican and VEGF suggest increasing degeneration when the supporting zone is lost due to the loss of teeth. PMID- 29198580 TI - Autoimmune hypoglycemia due to anti-insulin antibodies. PMID- 29198581 TI - A case of incoercible pruritus. PMID- 29198582 TI - Invasive disease due to Neisseria meningitidis serogroup W. PMID- 29198583 TI - Substitution Urethroplasty with Closure Versus Nonclosure of the Buccal Mucosa Graft Harvest Site: A Randomized Controlled Trial with a Detailed Analysis of Oral Pain and Morbidity. AB - BACKGROUND: Optimal surgical management of the buccal mucosa harvest site in patients with urethral stricture disease during buccal mucosa graft urethroplasty (BMGU) remains controversial. OBJECTIVE: To analyze in detail intensity and quality of pain as well as oral morbidity following closure (C) versus nonclosure (NC) of the donor site. DESIGN, SETTING, AND PARTICIPANTS: Randomized controlled trial on 135 patients treated with BMGU between October 15, 2014 and December 18, 2015. INTERVENTION: Following computer-based randomization, 63 and 72 patients, respectively, received C and NC of the donor site at the inner cheek. Preoperatively, on days 1, 5, and 21 as well as at 3 and 6 mo postoperatively, patients completed standardized questionnaires, including validated questions on intensity and quality of pain as well as oral morbidity. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: The coprimary end points were intensity and quality of oral pain. Secondary end points included oral morbidity and intensity of pain of the perineogenital region. Generalized linear mixed models evaluated the effect of various covariates on intensity and quality of oral pain, oral morbidity, as well as intensity of pain of the perineogenital region. RESULTS AND LIMITATIONS: There was noninferiority for NC versus C in intensity and affective quality of oral pain at every time point following BMGU. Oral morbidity and complications included pain, bleeding, swelling, numbness, alteration of salivation and taste, as well as impairment of mouth opening, smiling, whistling, diet, and speech. Time from BMGU had significant effects on intensity (p<0.001) and quality of oral pain (sensory pain: p<0.001, affective pain: p<0.001, total pain: p<0.001). Length of buccal mucosa graft had significant effects on intensity (p=0.001) and quality of oral pain (sensory pain: p=0.020, total pain: p=0.042). CONCLUSIONS: NC is noninferior to C of the donor site in intensity and quality of oral pain, and offers a treatment alternative. Time from BMGU and length of the buccal mucosa graft have effects on oral morbidity and complications. PATIENT SUMMARY: We investigated pain, morbidity, and complications following closure (C) versus nonclosure (NC) of the buccal mucosa harvest site in patients undergoing buccal mucosa graft urethroplasty (BMGU). We found that NC is not worse than C regarding oral pain. In addition, time from BMGU and length of the buccal mucosa graft have effects on oral morbidity and complications. PMID- 29198584 TI - Aptamers targeting cell surface proteins. AB - High affinity binders targeting specific cell surface proteins are vital for development of basic and applied biosciences. However, despite sustained efforts to generate such binders by chemicals and antibodies, there are still many cell surface proteins that lack high affinity binders. Nucleic acid aptamers have potential as binding molecules for cell surface proteins, because they form distinct structures that have high affinity and specificity for a wide range of targets. Aptamers are isolated from large combinatorial libraries using a unique iterative selection-amplification process known as systematic evolution of ligands by exponential enrichment (SELEX). Among advantages of this method, purified and complex heterogeneous targets, such as bacteria, viruses, and whole living cells, can be used for selection of aptamers. Moreover, SELEX allows generation of cell-surface-specific aptamers without prior knowledge of expression profiles in target cells. Therefore, the technology has been widely used as a valid and feasible method to generate aptamers binding to cell surface proteins with intact structure. Herein, this review summarizes and updates iconic SELEX technologies that target membrane proteins. PMID- 29198585 TI - A multidisciplinary approach for the management of earlier stage renal cell carcinoma. AB - Transitioning agents that are effective in advanced disease to earlier disease settings is a common pathway for drug development and a concept that has been applied to multiple agents across several tumor types. This approach is relevant in high risk renal cell carcinoma (RCC) where the relapse rate is high. Unfortunately, between 20% and 40% relapse after nephrectomy and approximately one third of patients have evidence of metastasis at initial diagnosis. These patients will proceed with focal or systemic therapy during the course of disease. PMID- 29198586 TI - Metastases of malignant neoplasms: Historical, biological, & clinical considerations. AB - The metastasis of neoplastic cells from their site of origin to distant anatomic locations continues to be the principal cause of death from malignant tumors, and that fact has been recognized by physicians for over a century. After the work done by Halsted in the treatment of breast cancer in the 1880s, accepted surgical canon held that metastasis occurred in a linear fashion, with centrifugal "growth in continuity" from the primary neoplasm that first involved regional lymph nodes. Those structures were considered to then be the sources of more distant, visceral metastases. With that premise in mind, radical and "ultra-radical" surgical procedures were devised to remove as many lymph nodes as possible in the treatment of carcinomas and melanomas. However, such interventions were ineffective in altering tumor-related mortality. This review considers the details of the historical material just mentioned. It also reviews currently-held concepts on biological mechanisms of metastasis, the "sentinel" lymph node biopsy technique, and the important topic of metastatic tumor "dormancy" as the cause of surgical treatment failure. Finally, predictive models of tumor behavior are discussed, which are based on gene signatures. These will likely be the key to identifying malignant lesions of low surgical stage that ultimately prove fatal through later manifestation of metastasis. PMID- 29198587 TI - Bedroom allergen exposures in US households. AB - BACKGROUND: Bedroom allergen exposures contribute to allergic disease morbidity because people spend considerable time in bedrooms, where they come into close contact with allergen reservoirs. OBJECTIVE: We investigated participant and housing characteristics, including sociodemographic, regional, and climatic factors, associated with bedroom allergen exposures in a nationally representative sample of the US population. METHODS: Data were obtained from National Health and Nutrition Examination Survey 2005-2006. Information on participant and housing characteristics was collected by using questionnaires and environmental assessments. Concentrations of 8 indoor allergens (Alt a 1, Bla g 1, Can f 1, Fel d 1, Der f 1, Der p 1, Mus m 1, and Rat n 1) in dust vacuumed from nearly 7000 bedrooms were measured by using immunoassays. Exposure levels were classified as increased based on percentile (75th/90th) cutoffs. We estimated the burden of exposure to multiple allergens and used multivariable logistic regression to identify independent predictors for each allergen and household allergen burden. RESULTS: Almost all participants (>99%) had at least 1 and 74.2% had 3 to 6 allergens detected. More than two thirds of participants (72.9%) had at least 1 allergen and 18.2% had 3 or more allergens exceeding increased levels. Although exposure variability showed significant racial/ethnic and regional differences, high exposure burden to multiple allergens was most consistently associated with the presence of pets and pests, living in mobile homes/trailers and older and rental homes, and living in nonmetropolitan areas. CONCLUSIONS: Exposure to multiple allergens is common. Despite highly variable exposures, bedroom allergen burden is strongly associated with the presence of pets and pests. PMID- 29198588 TI - How much is enough-Can resting state fMRI provide a demarcation for neurosurgical resection in glioma? AB - This study represents a systematic review of the insights provided by resting state functional MRI (rs-fMRI) use in the glioma population. Following PRISMA guidelines, 45 studies were included in the review and were classified in glioma related neuronal changes (n=28) and eloquent area localization (n=17). Despite the heterogeneous nature of the studies, there is considerable evidence of diffuse functional reorganization occurring in the setting of gliomas with local and interhemispheric functional connectivity alterations involving different functional networks. The studies showed evidence of decreased long distance functional connectivity and increased global local efficiency occurring in the setting of gliomas. The tumour grade seems to correlate with distinct functional connectivity changes. Overall, there is a potential clinical utility of rs-fMRI for identifying the functional brain network disruptions occurring in the setting of gliomas. Further studies utilizing standardized analytical methods are required to elucidate the mechanism through which gliomas induce global changes in brain connectivity. PMID- 29198590 TI - Clinical Outcomes of Single Anteromedial Bundle Biologic Augmentation Technique for Anterior Cruciate Ligament Reconstruction With Consideration of Tibial Remnant Size. AB - PURPOSE: The primary aim of this study was to evaluate the functional outcomes, knee stability, complications, and reoperations associated with anatomic anterior cruciate ligament (ACL) reconstruction using the single anteromedial bundle biological augmentation (SAMBBA) technique in a consecutive series of 128 patients with a minimum follow-up of 24 months. A secondary aim was to compare larger preserved ACL remnants with smaller preserved remnants. METHODS: Patients who underwent primary anatomic ACL reconstruction using the SAMBBA technique from July 2013 to October 2014 were analyzed. Exclusion criteria were (1) age <16 years, (2) revision cases, (3) multiple ligament injuries, (4) chondral lesions greater than grade 2 according to the Outerbridge classification, (5) additional injuries to the collateral ligaments greater than grade 2, or (6) a history of a contralateral ACL injury. Clinical assessment including evaluation of side-to side difference and functional outcome measures with the International Knee Documentation Committee (IKDC) subjective score and the Tegner Activity Scale were used to evaluate outcomes before surgery and at the last follow-up. Any subsequent surgical procedures were systematically recorded during the study period. The patients were also divided in 2 groups according to their ACL remnant size, >=50% or <50%, and compared. RESULTS: Of the 135 patients who underwent primary SAMBBA technique, 128 patients returned to final follow-up, with a mean follow-up of 31.7 months (range, 24-44.3). At last follow-up, the IKDC score significantly improved from 54.1 +/- 15.1 to 92.5 +/- 11.4 (P < .001); the Tegner activity score (6.4 +/- 1.2) was similar (P = .3) to the preinjury score (6.5 +/- 1.2). Side-to-side laxity significantly improved from 6.7 +/- 1.2 mm to 0.7 +/- 1 mm (P < .001). Twenty-four subsequent surgeries (18.7%) were performed including 10 meniscal procedures, 7 ACL revisions, 5 arthroscopies for cyclops lesions, one microfracture, and one manipulation under anaesthesia. The side-to-side laxity (P = .30) and rates of reoperation (P = .65), graft failure (P = .45), and cyclops lesions (P = .67) were not significantly different between >=50% or <50% ACL remnant groups. CONCLUSIONS: The results of this study demonstrate that primary anatomic ACL reconstruction using the SAMBBA technique significantly improved clinical and functional outcomes between baseline and follow-up at a minimum of 24 months. A low rate of complications was observed with this technique. No significant differences between large and moderate size ACL remnants were detected for all outcome measures. LEVEL OF EVIDENCE: Level IV case series with subgroup analysis. PMID- 29198589 TI - [Environment and lifestyle: Impacts on male fertility?] AB - In this last century, an increase of men infertility has been registered. It has been suggested that environmental factors could a negative impact over sperm quality. Among these factors, impact of environmental toxicant has been spread by media. In this review of scientific literature, we identify several environmental factors that could impact men fertility in a negative way. These factors are tobacco, marijuana, weight, body mass index, heat, nutritional state, electromagnetic waves and altitude. For each of these factors, the impact over men fertility, their mechanism, as well their influence over the use of Assisted Reproductive Technics are reported. PMID- 29198591 TI - In vivo facial soft tissue thicknesses of adult Australians. AB - Facial soft tissue thicknesses (FSTT) set important quantitative guides in craniofacial identification, but so far Australian FSTTs have only been published for supine cadavers. This study aimed to use B-mode ultrasound to measure FSTTs in living Australians (N=63 participants; n1=52 [x-=21 years, s=2 years]; and n2=11 [x-=54years, s=13years]) using 14 craniometric landmarks with participants in both upright and supine positions. The multiple pre-existing Australian cadaver investigations (n=7 reporting FSTT means and 6 of these reporting raw datasets) enabled living and cadaveric samples drawn from the same parent population to be compared. By using a non-invasive and safe imaging method (no ionising radiation) repeated measurements could be taken in the in vivo participants to gauge measurement reliability (and compare to pre-existing reliability for cadaver measurements): mean r-TEM=12%; max r-TEM=25%. In terms of changes between upright and supine positions (as measured by B-mode ultrasound) only 2 of 14 measured landmarks had FSTT changes in excess of 1mm. Comparisons of the in vivo ultrasound data to pre-existing needle puncture studies demonstrated that mean B-mode ultrasound measurements were very similar to cadaver values. Contrary to popular thought, but in keeping with the findings of prior meta analyses, cadaver FSTT data are good proxies to living subjects, at least as measured by ultrasound. To increase sample sizes and triangulate upon ground truth FSTT values, weighted grand means combining all Australian samples were calculated (n range=280-385) and compared to the multi-group 2018 adult T-Tables (max. n=10,333). PMID- 29198592 TI - Can Tangier disease cause male infertility? A case report and an overview on genetic causes of male infertility and hormonal axis involved. AB - Tangier disease is an autosomal recessive disorder caused by mutations in the ABCA1 gene and characterized by the accumulation of cholesteryl ester in various tissues and a near absence of high-density lipoprotein. The subject in this investigation was a 36-year-old Italian man with Tangier disease. He and his wife had come to the In Vitro Fertilization Unit, Pesaro Hospital (Azienda Ospedaliera Ospedali Riuniti Marche Nord) seeking help regarding fertility issues. The man was diagnosed with severe oligoasthenoteratozoospermia. Testosterone is the sex hormone necessary for spermatogenesis and cholesterol is its precursor; hence, we hypothesized that the characteristic cholesterol deficiency in Tangier disease patients could compromise their fertility. The aim of the study was to therefore to determine if there is an association between Tangier disease and male infertility. After excluding viral, infectious, genetic and anatomical causes of the subject's oligoasthenoteratozoospermia, we performed a hormonal analysis to verify our hypothesis. The patient was found to be negative for frequent bacteria and viruses. The subject showed a normal male karyotype and tested negative for Yq microdeletions and Cystic Fibrosis Transmembrane Conductance Regulator gene mutations. A complete urological examination was performed, and primary hypogonadism was also excluded. Conversely, hormonal analyses showed that the subject had a high level of follicle stimulating hormone and luteinizing hormone, low total testosterone and a significant decline in inhibin B. We believe that the abnormally low cholesterol levels typically found in subjects with Tangier disease may result in a reduced testosterone production which in turn could affect the hormonal axis responsible for spermatogenesis leading to a defective maturation of spermatozoa. PMID- 29198593 TI - A new generation of cellulose triacetate suitable for online haemodiafiltration. AB - BACKGROUND: Online haemodiafiltration (OL-HDF) is currently the most effective dialysis technique that also improves survival. To date, high permeability membranes with low albumin loss, such as polysulfone, polyamide and polyacrylonitrile membranes have been the most widely used. However, the initially restricted use of cellulose triacetate (CTA) membranes in OL-HDF has expanded. The aim of the study was to ascertain whether the latest generation asymmetric CTA membranes are more effective in obtaining high convective transport. PATIENTS AND METHODS: A total of 16 patients (10 males and 6 females) undergoing OL-HDF were studied. Each patient underwent 4 different sessions, with haemodialysis or OL-HDF, and/or with CTA or asymmetric CTA 1.9 m2 membranes. Each session was assigned in a randomised order. Serum levels of urea, creatinine, beta2-microglobulin, myoglobin, prolactin, alpha1-microglobulin, alpha1-acid glycoprotein and albumin where measured at the beginning and end of each session to obtain the reduction rate. The loss of solutes and albumin was quantified from the dialysate. RESULTS: A significantly greater replacement volume in OL-HDF (32.1+/-3.1 vs. 19.7+/-4.5 l, P<.001) was obtained by using asymmetrical CTA membranes compared to conventional CTA membranes. Regarding uraemic toxin removal, both membranes obtained similar results for small molecules, whereas asymmetric CTA membranes achieved better results for large molecules, increasing the reduction ratio by 29% for beta2-microglobulin, 27.7% for myoglobin, 19.5% for prolactin, 49% for alpha1-microglobulin and double for alpha1-acid glycoprotein (P<0.001 in all situations). The loss of albumin was less than 2g for all treatment sessions. CONCLUSION: Latest-generation asymmetric CTA have proven to be effective in attaining OL-HDF objectives without increased albumin loss. PMID- 29198594 TI - Giardia duodenalis mouse model for the development of novel antigiardial agents. AB - This study describes a neonatal mouse model of Giardia infection for development of novel antigiardials. Mice were infected with the axenically cultured Assemblage A BAH2c2 strain, with 105 trophozoites per animal recovered. This model proved to be robust and consistent for use in preliminary drug efficacy trials and drug development. PMID- 29198595 TI - [Influence of the professional experience of the clinical cardiologist on the adequacy of the clinical indications of myocardial perfusion gated-SPECT]. AB - OBJECTIVE: During cardiology training, the cardiology fellow has to be trained in all things related to the indication, interpretation, and performing of nuclear cardiology studies using single photon emission computed tomography (SPECT). The aim of the present study was to analyse the relationship between the adequacy of indications of myocardial perfusion gated-SPECT and the years of experience since the completion of cardiology training. METHOD: A descriptive, retrospective analysis was performed on a single-centre register, in which the indications (adequate or inadequate use) were recorded according to myocardial perfusion gated-SPECT guidelines, prescribed by cardiologists of a university hospital. RESULTS: A total of 950 gated-SPECT tests were analysed according to the appropriate or inadequate indication. The sample of study was distributed in quartiles (years) since the cardiologist finished the residency. Cardiologists with less than 10 years of clinical experience reported a higher proportion of gated-SPECT tests compared to the more experienced cardiologists (87.6 vs. 9.3%, P<.001). After adjusting for age, gender, and cardiovascular risk factors, the multivariate analysis showed that, for each year of experience after completion of cardiology training, the probability of adequately indicating the test (OR: 1.33, 95% CI: 1.29-1.38, P<.001) was statistically significant. CONCLUSIONS: The professional experience of the clinical cardiologist is the most important factor to perform an appropriate indication of gated-SPECT myocardial perfusion. PMID- 29198596 TI - Phenotypic and genetic diversity of Moroccan rhizobia isolated from Vicia faba and study of genes that are likely to be involved in their osmotolerance. AB - Rhizobia are symbiotic nitrogen-fixing bacteria in root nodules of legumes. In Morocco, faba bean (Vicia faba L.), which is the main legume crop cultivated in the country, is often grown in marginal soils of arid and semi-arid regions. This study examines the phenotypic diversity of rhizobia nodulating V. faba isolated from different regions in Morocco for tolerance to some abiotic stresses. A total of 106 rhizobia strains isolated from nodules were identified at the species level by analysing 16S rDNA. Additionally, for selected strains recA, otsA, kup and nodA fragments were sequenced. 102 isolates are likely to belong to Rhizobium leguminosarum or R. laguerreae and 4 isolates to Ensifer meliloti. All strains tolerating salt concentrations of 428 or 342mM NaCl as well as 127 or 99mM Na2SO4 were highly resistant to alkaline conditions (pH 10) and high temperature (44 degrees C). Three strains: RhOF4 and RhOF53 (both are salt-tolerant) and RhOF6 (salt-sensitive) were selected to compare the influence of different levels of salt stress induced by NaCl on growth and on trehalose and potassium accumulation. We find a direct correlation between the trehalose contents of the rhizobial strains and their osmotolerance. PMID- 29198598 TI - Mid-term results of computer-assisted skip pedicle screw fixation for patients with Lenke type 1 and 2 adolescent idiopathic scoliosis: A minimum five-year follow-up study. AB - PURPOSE: In skip pedicle screw fixation for adolescent idiopathic scoliosis (AIS), the mid-term effects of reducing screw number on correction and clinical results are uncertain. We clarified the mid-term outcomes of this technique in patients with Lenke type 1 and 2 AIS. METHODS: Thirty-four patients who underwent skip pedicle screw fixation (mean screw density: 1.35 screws) for Lenke type 1 and 2 AIS were retrospectively reviewed. The follow-up period was at least 5 years (mean follow-up period: 6.1 years), and the follow-up rate was 89.5%. Radiological parameters and clinical symptoms were evaluated before, immediately after, and at 2 years and 5 years after surgery. RESULTS: The mean Cobb angle of the main thoracic (MT) curve before, immediately after, at 2 years after surgery, and at the final 5-year minimum follow-up was 52.5 degrees , 16.4 degrees , 20.5 degrees , and 19.4 degrees , respectively. The Cobb angle of the MT curve was significantly improved immediately after, at 2 years after surgery, and at the final follow-up compared with that before surgery (p < 0.01). The mean correction rate immediately after surgery was 69.0% and the rate of correction loss at the final follow-up was 8.3%. All Scoliosis Research Society-22 patient questionnaire (SRS-22r) sub scores 5 years after surgery were significantly improved compared with those beforehand (p < 0.01). CONCLUSIONS: Correction using skip pedicle screw fixation in AIS was well maintained from the initial follow-up measurements to the final follow-up. The SRS-22r sub scores at the final follow-up were significantly improved over preoperative levels. PMID- 29198597 TI - The position of the aorta relative to the spine in patients with Pott's thoracolumbar angular kyphosis. AB - STUDY DESIGN: Analyze the position of the aorta in patients with Pott's thoracolumbar angular kyphosis by computed tomography. OBJECTIVE: To investigate the anatomic position of the aorta relative to spine in patients with Pott's thoracolumbar angular kyphosis. SUMMARY OF BACKGROUND DATA: The complication of aorta injury is rare in the procedure of spinal osteotomy for the correction of Pott's thoracolumbar angular kyphotic deformity. However, there would be a disastrous consequence once it happened. Therefore, knowing about the position of aorta relative to the spine is of great importance. From the authors' knowledge, there are no reports about the research on the position of the aorta relative to the spine in patients with Pott's thoracolumbar angular kyphosis. METHODS: Thirty patients with Pott's thoracolumbar angular kyphosis and thirty patients without spine deformity were recruited and divided into two groups. The CT images of both groups from T10 to L1 were obtained to evaluate the left pedicle-aorta angle and distance. In the patients with Pott's thoracolumbar angular kyphosis, the affected vertebral bodies were fused, so we measured the left pedicle-aorta angle and distance of the fused vertebral bodies. For the normal group, we measured the left pedicle-aorta angle and distance from T10 to L1 and got the average data, then compared with the Pott's group with independent sample t test. The Pearson correlation analysis was used to evaluate the association between the change of the aortic position and Konstam's angle and LL. RESULTS: The left pedicle-aorta angles (-8.95 + 2.89 degrees ) in Pott's group are smaller and the distances (6.36 + 0.77 cm) are larger than those in normal group (P < 0.05). In patients with Pott's thoracolumbar angular kyphosis, with increased Konstam's angle, the left pedicle-aorta angles becomes smaller (r = -0.495, P < 0.05) and the left pedicle-aorta distances becomes larger (r = 0.486, P < 0.05). However, there is no remarkable correlation between lumbar lordosis and the left pedicle-aorta angles or distances. CONCLUSION: In patients with Pott's thoracolumbar angular kyphosis, the aorta of the fused vertebrate shifts anteromedially to the vertebral body, and the aorta is relatively farther away from the vertebral body compared with the normal subjects. Therefore, the surgeon should be aware of the change of the position of the aorta to avoid the disastrous complication vessel injury. PMID- 29198599 TI - Who is the boss? Individual recognition memory and social hierarchy formation in crayfish. AB - Under laboratory conditions, crayfish establish hierarchical orders through agonistic encounters whose outcome defines the dominant one and one, or more, submissive animals. These agonistic encounters are ritualistic, based on threats, pushes, attacks, grabs, and avoidance behaviors that include retreats and escape responses. Agonistic behavior in a triad of unfamiliar, size-matched animals is intense on the first day of social interaction and the intensity fades on daily repetitions. The dominant animal keeps its status for long periods, and the submissive ones seem to remember 'who the boss is'. It has been assumed that animals remember and recognize their hierarchical status by urine signals, but the putative substance mediating this recognition has not been reported. The aim of this work was to characterize this hierarchical recognition memory. Triads of unfamiliar crayfish (male animals, size and weight-matched) were faced during standardized agonistic protocols for five consecutive days to analyze memory acquisition dynamics (Experiment 1). In Experiment 2, dominant crayfish were shifted among triads to disclose whether hierarchy depended upon individual recognition memory or recognition of status. The maintenance of the hierarchical structure without behavioral reinforcement was assessed by immobilizing the dominant animal during eleven daily agonistic encounters, and considering any shift in the dominance order (Experiment 3). Standard amnesic treatments (anisomycin, scopolamine or cold-anesthesia) were given to all members of the triads immediately after the first interaction session to prevent individual recognition memory consolidation and evaluate its effect on the hierarchical order (Experiment 4). Acquisition of hierarchical recognition occurs at the first agonistic encounter and agonistic behavior gradually diminishes in the following days; animals keep their hierarchical order despite the inability of the dominant crayfish to attack the submissive ones. Finally, blocking of protein synthesis or muscarinic receptors and cold anesthesia impair memory consolidation. These findings suggest that agonistic encounters induces the acquisition of a robust and lasting social recognition memory in crayfish. PMID- 29198600 TI - Heterogeneous distribution of Culex pipiens, Culex quinquefasciatus and their hybrids along the urbanisation gradient. AB - The mosquitoes of the Culex pipiens complex, hereafter referred to as the Pipiens Assemblage, are vectors of arbovirus of worldwide concern including West Nile and St. Louis encephalitis. Given their distinct eco-physiology and vectorial capacity, accurate specimen identification and insight in the environmental drivers of their distribution are essential for the understanding of disease transmission patterns. Using a PCR-based identification protocol, we characterized the spatial distribution of Cx. pipiens, Cx. quinquefasciatus and their hybrids developing in used tyres located within the overlapping region in South America as a function of different estimators of the urbanisation gradient. Out of 84 samples collected from tyre piles of 20 sites, we identified 369 larvae which corresponded predominantly to Cx. quinquefasciatus (76.4% of immatures) all along the gradient but more frequent at the urban end. Cx. pipiens (21.4%) was more conspicuous at the low urbanised end but was also present in highly urbanised sites, whereas hybrids were collected in very low numbers (2.2%). The urbanisation estimator best associated with the heterogeneous occurrence of the Pipiens Assemblage members was the proportion of impervious surface 1km around each tyre pile, which explained 41.7% of the variability in the data, followed closely by the distance to the Capital City (38.3%). Cumulative annual precipitation, population number in a 1km radius around each pile and distance to the de la Plata River were significantly associated with the distribution of the Pipiens Assemblage at lower explanation percentages (20-23%). A thorough understanding of the ecological basis and environmental associations of the distribution of Pipiens Assemblage members will enable forecasting population trends in changing environments to develop effective control measures for mosquitoes and the diseases they transmit. PMID- 29198601 TI - A short field guide to fibroblast function in immunity. AB - Fibroblasts in secondary lymphoid organs, or fibroblastic reticular cells (FRC), are gate-keepers of immune responses. Here, we frame how these cells regulate immune responses via a three-part scheme in which FRC can setup, support or suppress immune responses. We also review how fibroblasts from non-lymphoid tissues influence immunity and highlight how they resemble and differ from FRC. Overall, we aim to focus attention on the emerging roles of lymphoid tissue and non-lymphoid tissue fibroblasts in control of innate and adaptive immunity. PMID- 29198602 TI - Gastric Perforation During Bronchoscopy For The Delivery Of Oxygen Therapy By Nasopharyngeal Cannula. PMID- 29198603 TI - Pulmonary Lesions: Cause Or Consequence Of Respiratory Infection? PMID- 29198604 TI - The use of coarsened exact matching to evaluate treatment mode in the rib fracture patient. PMID- 29198605 TI - Incidence, demographics, and outcomes of nonoperative management of appendicitis in the United States. AB - BACKGROUND: Appendicitis is the most common intraabdominal surgical emergency in the United States, with over 250,000 cases each year. Several recent studies have evaluated the efficacy of nonoperative management of appendicitis. We measured changes in the treatment of appendicitis in the United States from 1998 to 2014 and evaluated outcomes in the contemporary cohort of appendicitis cases from 2010 to 2014. METHODS: The National Inpatient Sample was queried for cases with a principal diagnosis of appendicitis. Cases with peritoneal abscesses were excluded. We determined trends in management and then compared cases managed nonoperatively versus those managed with early operation for demographics and outcomes including mortality, total charges, and length of stay using univariate analysis, binary logistic regression analysis, and case-control matching. RESULTS: Although early operation remains the dominant treatment for acute appendicitis in the United States, there is an accelerating trend in nonoperative management. Nonoperative management is associated with increased age, number of comorbidities, and inpatient diagnoses. In univariate, multiple regression, and case-control analysis, nonoperative management is associated with decreased total charges but significantly increased risk of mortality. CONCLUSIONS: Elderly patients and patients with medical comorbidities are more likely to be treated nonoperatively for appendicitis than younger patients. Although previously published data support nonoperative management of appendicitis in low-risk surgical patients, we suggest that elderly or medically complex patients may benefit from early operative treatment of appendicitis and are potentially at risk of poor outcomes from nonoperative management. PMID- 29198607 TI - The H7N9 viruses have lost most of their previous lineages in the fifth wave. PMID- 29198606 TI - Anti-apolipoprotein A-1 autoantibodies are associated with immunodeficiency and systemic inflammation in HIV patients. AB - OBJECTIVES: To determine the existence of autoantibodies against apolipoprotein A 1 (anti-apoA-1 IgG) in HIV patients and explore their association with biological features of HIV infection and different inflammatory biomarkers. We also evaluated their impact on CD4+ lymphocytes survival. METHODS: Anti-apoA-1 IgG plasma levels were assessed by ELISA in 237 HIV positive patients from a national prospective cohort with no current lipid-lowering therapy. RESULTS: 58% of patients were found positive for anti-apoA-1 IgG and were associated with lower CD4+ counts, but higher viremia and systemic inflammation. Logistic regression analyses indicated that high anti-apoA-1 IgG levels were associated with a 16 fold increased risk of displaying low CD4+ levels, independent of HIV RNA levels and treatment (adjusted Odds ratio [OR]:16.1, 95% Confidence Interval [95%CI]:1.80-143.6; p = 0.01), and a 6-fold increased risk of having a detectable viremia, independent of antiretroviral treatment (OR:5.47; 95% CI:1.63-18.36; p = 0.006). In vitro, anti-apoA-1 IgG induced dose and time-dependent CD4+ apoptosis that was increased by exposure to HIV RNA. CONCLUSIONS: In HIV patients, anti apoA-1 IgG levels are associated with low CD4+ counts, high viremia and a pro inflammatory systemic profile. Anti-apoA-1 IgG can promote CD4+ lymphocyte apoptosis via undefined pathways. PMID- 29198608 TI - Synthesis and evaluation of 18F-hexafluorophosphate as a novel PET probe for imaging of sodium/iodide symporter in a murine C6-glioma tumor model. AB - Noninvasive imaging of iodide uptake via the sodium/iodide symporter (NIS) has received great interest for evaluation of thyroid cancer and reporter imaging of NIS-expressing viral therapies. In this study, we investigate 18F-labeled hexafluorophosphate (HFP or PF6-) as a high-affinity iodide analog for NIS imaging. 18F-HFP was synthesized by radiofluorination of phosphorus pentafluoride.N-methylpyrrolidine complex and evaluated in human NIS (hNIS) expressing C6 glioma cells and a C6 glioma xenograft mouse model. 18F-HFP was obtained in radiochemical yield of 10 +/- 5%, radiochemical purity of >96% and specific radioactivity of 604 +/- 18 MBq/umol. Specific uptake of 18F-HFP and high affinity of 19F-HFP were observed in hNIS+ C6-glioma cells. PET imaging showed robust uptake of 18F-HFP in NIS-expressing tissues (thyroid, stomach, and hNIS+ C6 glioma xenografts), and the uptake of 18F-HFP was blocked by NaClO4 pretreatment. Specific accumulation in hNIS-expressing xenograft (hNIS+) was observed relative to isogenic control tumor (hNIS-). Clearance of 18F-HFP was predominantly through renal excretion. The biodistribution showed consistent results with PET imaging. Minimal bone uptake was observed over 2 h period post injection, indicating excellent in vivo stability of 18F-HFP. Although improvement in specific radioactivity is desirable, the results indicate that 18F HFP is a promising candidate radiotracer for further evaluation for NIS imaging. PMID- 29198609 TI - Synthesis and evaluation of biaryl derivatives for structural characterization of selective monoamine oxidase B inhibitors toward Parkinson's disease therapy. AB - Benzyloxyphenyl moiety is a common structure of highly potent, selective and reversible inhibitors of monoamine oxidase B (MAO-B), safinamide and sembragiline. We synthesized 4-(benzyloxy)phenyl and biphenyl-4-yl derivatives including halogen substituents on the terminal aryl unit. In addition, we modified the carbon linker between amine group and the biaryl linked unit. Among synthesized compounds, 12c exhibited the most potent and selective MAO-B inhibitory effect (hMAO-B IC50: 8.9 nM; >10,000-fold selectivity over MAO-A) as a competitive inhibitor. In addition, 12c showed greater MAO-B inhibitory activity and selectivity compared to well-known MAO-B inhibitors such as selegiline, safinamide and sembragiline. In the MPTP-induced mouse model of Parkinson's disease (PD), 12c significantly protected the tyrosine hydroxylase (TH) immunopositive DAergic neurons and attenuated the PD-associated behavioral deficits. This study suggests characteristic structures as a MAO-B inhibitor that may provide a good insight for the development of therapeutic agents for PD. PMID- 29198610 TI - Evolutionary rate heterogeneity between multi- and single-interface hubs across human housekeeping and tissue-specific protein interaction network: Insights from proteins' and its partners' properties. AB - Integrating gene expression into protein-protein interaction network (PPIN) leads to the construction of tissue-specific (TS) and housekeeping (HK) sub-networks, with distinctive TS- and HK-hubs. All such hub proteins are divided into multi interface (MI) hubs and single-interface (SI) hubs, where MI hubs evolve slower than SI hubs. Here we explored the evolutionary rate difference between MI and SI proteins within TS- and HK-PPIN and observed that this difference is present only in TS, but not in HK-class. Next, we explored whether proteins' own properties or its partners' properties are more influential in such evolutionary discrepancy. Statistical analyses revealed that this evolutionary rate correlates negatively with protein's own properties like expression level, miRNA count, conformational diversity and functional properties and with its partners' properties like protein disorder and tissue expression similarity. Moreover, partial correlation and regression analysis revealed that both proteins' and its partners' properties have independent effects on protein evolutionary rate. PMID- 29198611 TI - Accurate haplotype imputation with individualized ancestry-adjusted reference panels. AB - Accurate data imputation requires ethnicity-matched reference panels. However, recent admixtures have created mosaic human genomes, different chromosomal segments have different ethnic backgrounds, so it is impossible for a single ethnicity reference panel to be the matched for data imputation. In this study, we explored a novel strategy for imputation. We created individualized mosaic reference panel for each person according to his/her ethnic backgrounds at each genomic locus. We examined on datasets with 70% missing values on haplotypes and 50% missing values on genotypes. Results showed that the imputation with mosaic references steadily yielded high imputation accuracy and outperforms the other strategies. With the mosaic reference panels, the imputation accuracy was 98.8+/ 0.1% (CEU), 98.7+/-0.1% (YRI), 98.5+/-0.1% (CHB), 98.6+/-0.1% (ASW), 97.3+/-0.1% (MKK) and 98.2+/-0.1% (MXL). Mosaic reference panel will be one option for future missing value imputation in big data era. PMID- 29198612 TI - IL-1 family cytokines in cardiovascular disease. AB - The interleukin (IL)-1 family is a group of cytokines crucially involved in regulating immune responses to infectious challenges and sterile insults. The family consists of the eponymous pair IL-1alpha and IL-1beta, IL-18, IL-33, IL 37, IL-38, and several isoforms of IL-36. In addition, two endogenous inhibitors of functional receptor binding, IL-1R antagonist (IL-1Ra) and IL-36Ra complete the family. To gain biological activity IL-1beta and IL-18 require processing by the protease caspase-1 which is associated with the multi-protein complex inflammasome. Numerous clinical association studies and experimental approaches have implicated members of the IL-1 family, their receptors, or component of the processing machinery in underlying processes of cardiovascular diseases (CVDs). Here we summarize the current state of knowledge regarding the pro-inflammatory and disease-modulating role of the IL-1 family in atherosclerosis, myocardial infarction, aneurysm, stroke, and other CVDs. We discuss clinical evidence, experimental approaches and lastly lend a perspective on currently developing therapeutic strategies involving the IL-1 family in CVD. PMID- 29198613 TI - Mechanochemically induced solid state transformations: The case of raloxifene hydrochloride. AB - Raloxifene hydrochloride is a benzothiophene derivative mainly used in the prevention and treatment of osteoporosis, but exhibits a low bioavailability hindered by its poor water solubility. In this study, a mechanochemical approach based on neat and liquid-assisted grinding was applied to produce new solid forms of raloxifene hydrochloride. The solids obtained were characterized by several solid-state techniques, such as powder X-ray diffraction, thermal analysis, infrared and Raman spectroscopy. These results showed that depending on the processing conditions solvated or amorphous forms can be produced. The thermal stability of the new forms was also investigated showing that the new forms convert back into the raw material form, as observed by Raman spectroscopy, which was successfully used to discriminate amorphous and crystalline forms, as well as, to monitor in situ the recrystallization process. Furthermore, the solubility of the new forms was evaluated, showing the clear advantage of the amorphous form, when compared with the currently marketed salt. PMID- 29198614 TI - Informed Consent for Radiation in Interventional Radiology Procedures. AB - PURPOSE: To explore the patient perception on radiation-related cancer risk from interventional radiology (IR) procedures and whether informed radiation consent is warranted. METHODS: A multiple-choice survey was prospectively administered to 68 adults undergoing a body or neuro-IR procedure with ionizing radiation exposure. Subgroup analysis with chi-square or Fisher exact test was performed based on patient past IR history (P < .05). RESULTS: A total of 81% of patients wanted to be informed if there was a radiation-related 3% increased cancer risk over 5 years. Although 55% considered 3% a small risk, 28% wanted to further discuss the risks and alternate options, and 15% would have only proceeded if it were a life-saving procedure: 89%, 80%, and 67% of patients wanted to be informed with exposure risks of 1 in 100, 1 in 1000, and 1 in 10,000, respectively. Only 53% were aware they were going to be exposed to radiation, irrespective of past IR history (P = .15). Most patients believed radiation consent should include radiation-related cancer risks (85%). No past IR history was significantly associated with wanting consent to include cancer-related risk (100% vs 76%; P = .01) and deterministic risks (70% vs 41%; P = .04). A majority (69%) believed both the referring physician and the interventional radiologist were responsible for obtaining radiation consent, and 65% of patients wanted verbal consent followed by signed written consent, regardless of past IR history. CONCLUSIONS: Many patients want to discuss cancer-related radiation risks with both radiologists and physicians. Informed radiation consent should be considered for procedures with high anticipated radiation doses. PMID- 29198615 TI - Reappraising newborn screening for cobalamin C disorder. PMID- 29198616 TI - Incidence of hypoglycemia in newborns at risk and an audit of the 2011 American academy of pediatrics guideline for hypoglycemia. AB - BACKGROUND: Hypoglycemia is low blood glucose level that may negatively affect neurological and developmental prognosis. The American Academy of Pediatrics (AAP), Committee on Fetus and Newborn defined the safe glucose concentrations in the 2011 guideline for newborns at risk for hypoglycemia. This study aimed to investigate the incidence and associated risk factors for hypoglycemia in newborn infants having risk and to assess compliance with the AAP guideline. METHODS: According to 2011 AAP guideline for hypoglycemia, the newborns at risk for hypoglycemia included in this study were divided to four groups [infant of diabetic mother (IDM), large-for-gestational-age (LGA) infants, small-for gestational-age (SGA) infants, and late preterm infants (LPI)]. RESULTS: Of the 207 newborn infants, there were 12 cases in IDM group (5.7%), 79 cases in LGA group (38.1%), 66 cases in SGA group (31.8%) and 50 cases in LPI group (24.1%). The incidences of hypoglycemia in these four groups were 2 (16.6%), 10 (12.7%), 8 (12.2%) and 17 (34%), respectively. Although the gender, delivery method, birth weight and 5-min Apgar score at 5-min were not found to be associated with hypoglycemia (P > 0.05), lower gestational age was determined to be associated with higher incidence of hypoglycemia (P = 0.02). Median first feeding time was 55 min and time between first nutrition and blood glucose measurement was 30 min in all cases. CONCLUSION: Highest risk for hypoglycemia in early postnatal period was present especially in LPI group. Our compliance levels with the AAP guideline was found to be satisfactory. PMID- 29198617 TI - McCune-Albright Syndrome: Diagnosis and clinical course in eleven patients. PMID- 29198618 TI - Analysis instruments for the performance of Advanced Practice Nursing. AB - Advanced Practice Nursing has been a reality in the international context for several decades and recently new nursing profiles have been developed in Spain as well that follow this model. The consolidation of these advanced practice roles has also led to of the creation of tools that attempt to define and evaluate their functions. This study aims to identify and explore the existing instruments that enable the domains of Advanced Practice Nursing to be defined. A review of existing international questionnaires and instruments was undertaken, including an analysis of the design process, the domains/dimensions defined, the main results and an exploration of clinimetric properties. Seven studies were analysed but not all proved to be valid, stable or reliable tools. One included tool was able to differentiate between the functions of the general nurse and the advanced practice nurse by the level of activities undertaken within the five domains described. These tools are necessary to evaluate the scope of advanced practice in new nursing roles that correspond to other international models of competencies and practice domains. PMID- 29198619 TI - New mosaic tiles in childhood hereditary autoinflammatory disorders. AB - The protean clinical phenotypes of hereditary autoinflammatory disorders (HAID) are caused by abnormal activation of innate immunity and consist of seemingly unprovoked inflammatory flares localized to multiple organs, such as the skin, joints, serosal membranes, gut, and central nervous system. Different mutations in genes implied in activation of the interleukin-1 (IL-1)-structured inflammasome, cytoskeletal signaling and apoptosis contribute to the pathogenesis of different HAID, which mostly start in childhood with self-limited flares unrelated to infectious agents, autoantibody production or autoreactive cells. Though IL-1 remains pivotal in many inflammasome-mediated diseases, other cytokinopathies involving IL-18, nuclear factorkappa-B, interferons, and tumor necrosis factor have provided new horizons in the definition of HAID of children: the list of HAID has expanded as a consequence of a better understanding of their pathogenetic molecular mechanisms and also application of new genetic technologies. However, diagnosis of most HAID is clinical and focused on several evidence-based criteria sets: their discrimination remains challenging for unexperienced pediatricians as there are no universally accepted algorithms, and a still relevant number of patients may linger without any clarifying genetic analysis, whose interpretation combined with processing of treatment options should be discussed on a multidisciplinary basis. PMID- 29198620 TI - The role of HMGB1 in heart transplantation. AB - There has been significant progress in the field of heart transplantation over the last 45 years. Although the role of adaptive immunity in heart allograft rejection has been extensively studied for decades, there is increasing evidence that suggests that the innate immune system also contributes to the development of heart allograft rejection. The high-mobility group box (HMGB) proteins, particularly HMGB1, are self-derived innate immune activators that have multiple functions in the regulation of immunity and inflammation. Recent discoveries have illustrated the close link between HMGB1 and heart allograft rejection. In this review, we summarize current knowledge of the function of HMGB1 as a ligand that can evoke inflammatory responses and ultimately cause rejection after heart transplantation. PMID- 29198621 TI - Innate immune receptors for cross-presentation: The expanding role of NLRs. AB - A critical role of pattern recognition receptors (PRRs) is to influence adaptive immune responses by regulating antigen presentation. Engagement of PRRs in dendritic cells (DCs) increases MHC class I antigen presentation and CD8+ T-cell activation by cross-presented peptides but the molecular mechanisms underlying these effects are not completely understood. Studies looking at the role of PRRs in cross-presentation have been largely limited to TLRs but the role of other PRRs such as cytosolic nucleotide-binding oligomerization domain-like (NOD-like) receptors remains particularly enigmatic. Here we discuss recent evidence of the role of PRRs on cross-presentation and consider how cytosolic NLR-associated pathways, such as NOD2, may integrate these signals resulting in effective adaptive CD8+ T cells responses. PMID- 29198622 TI - On-line health seeking activity of older adults: an integrative review of the literature. AB - The internet is increasingly used to provide health information. Supporting older people to access on-line health information requires understanding their current usage and possible barriers and facilitators. Methods involved searching three databases. Inclusion criteria were: (i) articles published within 10 years; (ii) people aged >65; (iii) explored reasons for older people accessing on-line health information and (iv) in English. Eight articles met these criteria. Older people use on-line health information to learn about a disease, medication, treatment, or healthy living. Factors influencing usefulness of on-line health information included demographics, health status, trust in the information, lack of skills using the internet and attitudes of health professionals. Findings indicate that while older people access on-line health information there are barriers: Low trust, financial barriers, lack of familiarity with the internet and low health literacy levels. Implications for nursing include working in partnership with older people to assist them to identify appropriate on-line information. PMID- 29198623 TI - Thoracoscopic Surgery Versus Thoracotomy for Lung Cancer: Short-Term Outcomes of a Randomized Trial. AB - BACKGROUND: Safety and short-term efficacy of video-assisted thoracoscopic surgery (VATS) for early-stage non-small lung cancer (NSCLC) has been demonstrated by observational studies previously. However, these outcomes have never been verified by a large randomized controlled trial (RCT). The aim of our RCT was to confirm that VATS is not inferior or even superior to open operation for early-stage NSCLC in terms of short-term and oncologic efficacy. METHODS: The trial was undertaken at five tertiary hospitals. Patients aged between 18 and 75 years with clinically early-stage NSCLC were randomly assigned to the VATS and axillary thoracotomy groups. Lobectomy plus mediastinal lymph node dissection was standard surgical intervention. Because patients continue to be followed up for oncologic outcome, the short-term perioperative outcomes would be reported here. RESULTS: Between 2008 and 2014, 508 patients were recruited and 425 were eligible for analyses (215 VATS and 210 axillary thoracotomy). Eight VATS procedures were converted to open operation intraoperatively (3.72%). Median operation time with VATS was significantly less than axillary thoracotomy (150 versus 166 minutes, p = 0.009). In addition, VATS was associated with less intraoperative blood loss (p = 0.001). There was no difference for postoperative pleural drainage, length of hospitalization, and rates of morbidity and mortality. Cancer residual margins were found in 1 patient with VATS and 5 with axillary thoracotomy (p = 0.128). The yield of lymph nodes from either surgical approach was similar (p = 0.389). CONCLUSIONS: Our study demonstrates that VATS lobectomy is safe and reliable to treat NSCLCs, and it may be superior to axillary thoracotomy for operation time and intraoperative blood loss. ClinicalTrials.gov identifier: NCT01102517. PMID- 29198624 TI - Stereotactic Body Radiation Therapy Versus Surgery for Early Lung Cancer Among US Veterans. AB - BACKGROUND: Stereotactic body radiation therapy (SBRT) has been proposed as a potential alternative to surgery for early lung cancer, although we lack well powered prospective randomized data comparing these treatments, and existing studies suffer from incomplete information on confounders that can bias results. Here, we evaluated the comparative effectiveness of surgery and SBRT in lung cancer treatment using a large extensively detailed database from the Veteran's Affairs system. METHODS: We identified veterans with biopsy-proven clinical stage I non-small cell lung cancer diagnosed between 2006 and 2015 from within the Veteran's Affairs Informatics and Computing Infrastructure. We compared cancer specific survival among patients receiving lobectomy, sublobar resection, or SBRT using univariable and multivariable competing risk analyses. Multivariable analyses adjusted for confounders including preoperative pulmonary function, smoking status, comorbidity, and staging workup procedures. RESULTS: In all, 4,069 patients were included (449 SBRT, 2,986 lobectomy, 634 sublobar resection). Unadjusted analysis found higher immediate postprocedural mortality in the surgery groups compared with the SBRT group. The multivariable analysis considering long-term survival found higher cancer-specific mortality for SBRT compared with lobectomy (subdistribution hazard ratio 1.45, 95% confidence interval: 1.09 to 1.94, p = 0.01), although no survival difference between SBRT and sublobar resection (subdistribution hazard ratio 1.25, 95% confidence interval: 0.93 to 1.68, p = 0.15). CONCLUSIONS: Among a large cohort of early stage lung cancer patients, we found that lobectomy had improved survival compared with SBRT, although we found no survival difference between sublobar resection and SBRT. Despite these findings, the potential for unmeasured confounding remains and prospective randomized trials are needed to better compare these treatment modalities. PMID- 29198625 TI - Transversus Abdominis Plane Block Improves Perioperative Outcome After Esophagectomy Versus Epidural. AB - BACKGROUND: Pain control is challenging during esophagectomy. An epidural is commonly used, but the sympathetic blockade can have unintended consequences such as hypotension or delayed return of bowel function. A transversus abdominis plane (TAP) block has the potential to control upper abdominal pain without these adverse consequences. We aimed to compare bilateral TAP blocks with patient controlled analgesia (PCA) for immediate management after esophagectomy with a cohort using a thoracic (T5 to T8) epidural. METHODS: This was a retrospective review of patients undergoing esophagectomy between 2012 and 2016. Primary outcomes were pain scores (0 to 10) assessed at 24, 48, and 72 hours for adequacy of pain control. Secondary outcomes were volume resuscitation at 72 hours, hypotension (systolic blood pressure <90 mm Hg), length of stay (LOS), return of bowel function, and complications. RESULTS: Sixty-one patients underwent esophagectomy using bilateral TAP block and PCA (n = 32) or thoracic (T5 to T8) epidural (n = 29). Overall pain scores were not statistically different between the TAP group and the epidural group averaged over 72 hours (4.98 versus 4.39, p = 0.09). During the initial 72 hours after operation, hypotension was less prevalent in the TAP group (25% versus 76%, p < 0.05) with lower crystalloid resuscitation needs. The LOS in the intensive care unit (3.2 days versus 4.6 days, p < 0.05) and return of bowel function (5 days versus 6.7 days, p < 0.05) were considerably shorter in the TAP group. Pulmonary complications were similar. CONCLUSIONS: TAP blocks with a PCA is an alternative option for pain control in patients undergoing esophagectomy and may reduce hypotension and need for volume resuscitation with similar pulmonary complications. PMID- 29198626 TI - The Impact of Distal Stent Graft-Induced New Entry on Aortic Remodeling of Chronic Type B Dissection. AB - BACKGROUND: In chronic type B aortic dissection, late distal stent graft-induced new entry (SINE) has a possible negative role in long-term aortic remodeling. This study aimed to investigate the impact of SINE occurrence on survival by evaluating true and false lumen remodeling in thoracic and abdominal segments at midterm surveillance. METHODS: This study enrolled 65 patients with chronic type B aortic dissection (DeBakey type IIIb), who had received hybrid thoracic endovascular aortic repair (TEVAR) and had completed surveillance for at least 3 years. The 3-year survival rate was 84.7%. The patients were classified into non SINE (n = 47) and SINE (n = 18) groups. Serial computed tomography scans were used to analyze volumetric change, true and false lumens, and thrombus volume from arch to aortic bifurcation level. RESULTS: The SINE event occurred at a median of 22.5 months. In the SINE group, there was a significant interruption of the abdominal true lumen expansion in the second year (median 0.01 [interquartile range (IQR), -0.03 to 0.12] in the non-SINE group versus median -0.04 [IQR, -0.12 to 0.04] in the SINE group; p = 0.014). There was a significantly worse thoracic false lumen remodeling in the SINE group compared with the non-SINE group in the third year after the SINE event occurred (median 0 [IQR, -0.09 to 0.05] in the non-SINE group versus median 0.06 [IQR, 0 to 0.13] in the SINE group; p = 0.038). CONCLUSIONS: For chronic aortic dissection, late occurrence of distal SINE could influence abdominal true lumen expansion and thoracic false lumen shrinkage. Early reintervention for distal SINE could improve aortic remodeling in chronic aortic dissection. PMID- 29198627 TI - Analytic Morphomics Predict Outcomes After Lung Transplantation. AB - BACKGROUND: The purpose of this study was to identify morphomic factors on standard, pretransplantation computed tomography (CT) scans associated with outcomes after lung transplantation. METHODS: A retrospective review of 200 patients undergoing lung transplantation at a single institution from 2003 to 2014 was performed. CT scans obtained within 1 year before transplantation underwent morphomic analysis. Morphomic characteristics included lung, dorsal muscle group, bone, and subcutaneous and visceral fat area and density. Patient data were gathered from institutional and United Network for Organ Sharing databases. Outcomes, including initial ventilator support greater than 48 hours, length of stay, and survival, were evaluated using univariate and multivariable analyses. RESULTS: On multivariable Cox regression, subcutaneous fat/total body area (hazard ratio [HR] 0.60, p = 0.001), lung density 3 volume (HR 0.67, p = 0.013), and creatinine (HR 4.37, p = 0.010) were independent predictors of survival. Initial ventilator support more than 48 hours was associated with decreased vertebral body to linea alba distance (odds ratio [OR] 0.49, p = 0.002) and Zubrod score 4 (OR 14.0, p < 0.001). Increased bone mineral density (p < 0.001) and increased cross-sectional body area (p < 0.001) were associated with decreased length of stay, whereas supplemental oxygen (p < 0.001), bilateral transplantation (p = 0.002), cardiopulmonary bypass (p < 0.001), and Zubrod score 3 (p < 0.001) or 4 (p = 0.040) were associated with increased length of stay. CONCLUSIONS: Morphomic factors associated with lower metabolic reserve and frailty, including decreased subcutaneous fat, bone density, and body dimensions were independent predictors of survival, prolonged ventilation, and increased length of stay. Analytic morphomics using pretransplantation CT scans may improve recipient selection and risk stratification. PMID- 29198628 TI - Revision of Failed Prior Nuss in Adult Patients With Pectus Excavatum. AB - BACKGROUND: Minimally invasive repair of pectus excavatum (MIRPE) has been extended to repair of defects in adults, with reported higher complication rates and outcome failures. The optimal revision for a prior failed MIRPE in an adult has not been identified. We review our experience for this adult population. METHODS: A retrospective review was performed of 129 patients (age >=18 years) who underwent revision after a failed pectus excavatum (PE) repair from December 2010 through December 2016. RESULTS: In total, 47 of the 129 (36%) revision patients had a prior failed MIRPE, with 98% presenting for revision because of inadequate correction after their initial repair. The median age was 28 years (range, 18 to 54 years), and 77% were men. Thirty-one (66%) patients had indwelling pectus support bars at the revision procedure. Mean time from initial MIRPE to the revision procedure was 3.34 +/- 2.9 years. A modified MIRPE was successful in 39 (83%) patients. Hybrid repair with the addition of osteotomy cuts and/or titanium plating was required in 8 patients for an adequate revision. Multiple (2 bars, 62%; 3 bars, 38%), shorter (median, 13.5 inches versus 15.0 inches) bars were used for the revision versus earlier repair. Substantial lysis of intrathoracic adhesions was required in 40 (85%) patients, with a median operative time for revision MIRPE of 169 +/- 66 minutes; median operative time for hybrid procedures, 314 +/- 74 minutes. CONCLUSIONS: A modified MIRPE can be successfully used in most adults to revise a failed prior MIRPE. PMID- 29198629 TI - Aortic Replacement After TEVAR-Diameter Correction With Modified Use of the Siena Prosthesis. AB - BACKGROUND: To report a new technique for diameter correction in patients after thoracic endovascular aortic repair (TEVAR) with large stent-grafts using the Vascutek Siena 4-branch collared prosthesis (Vascutek Terumo, Inchinnan, Scotland, UK) in patients undergoing thoracoabdominal (TA) aortic replacement. METHODS: Within a 24-month period, 39 patients underwent TA replacement at our center. Of these, 6 patients had undergone previous TEVAR with large stent-grafts (42 to 48 mm diameter). Indications for TEVAR were aneurysm formation in 3 patients and residual type B aortic dissection (status post repair of type A dissection) in 3 patients. In these patients, the Vascutek Siena 4-branch prosthesis was used in a reversed fashion, removing the elephant trunk portion and using the sewing collar for diameter correction at the anastomotic site. RESULTS: No 30-day mortality and no stroke or symptomatic spinal cord ischemia was observed. Median diameter of the TEVAR graft at the anastomotic site was 44 mm. Median size of the Siena graft used was 26 mm. Diameter correction was successfully achieved in all patients by tailoring the sewing collar of the Siena 4-branch prosthesis to the individual need according to the diameter of the distal end of the stent-graft. CONCLUSIONS: Using the sewing collar of the Vascutek Siena 4-branch prosthesis for diameter correction in patients undergoing TA replacement after previous TEVAR with large stent-grafts adds a useful adjunct to the armamentarium of options in a growing patient population. PMID- 29198630 TI - Long-Term Survival in Patients Receiving a Continuous-Flow Left Ventricular Assist Device. AB - BACKGROUND: Long-term survivors after implantation of left ventricular assist devices (LVADs) are increasing in prevalence. We describe the characteristics and outcomes in patients surviving longer than 4 years on LVAD support. METHODS: We performed a multicenter, retrospective analysis of patients surviving at least 4 years on continuous-flow LVAD (CF-LVAD) support with a HeartMate II at centers participating in the Evolving Mechanical support Research Group. RESULTS: Between 2005 and 2010, 156 long-term survivors were identified with a mean survival of 7.1 years (95% confidence interval: 6.7 to 7.5 years). The mean age was 58.2 +/- 15.2 years and 30.1% were women. Readmission rate was low at 1.1 events per patient per year with the most common reasons leading to readmission being infection (0.10 readmissions per patient per year) and gastrointestinal bleeding (0.07 readmissions per patient per year). Two years after implantation, 97% of patients were either New York Heart Association functional class I or II, with 92% at 4 years. CONCLUSIONS: Patients surviving 4 years on CF-LVAD support can anticipate ongoing long-term survival with sustained improvements in functionality and low rates of rehospitalization. PMID- 29198631 TI - Elective David I Procedure Has Excellent Long-Term Results: 20-Year Single-Center Experience. AB - BACKGROUND: We present our results after elective, isolated David I procedures over the past 20 years. METHODS: Between 1993 and 2015, 197 patients (mean age 46 +/- 17 years, 73% men) underwent isolated aortic valve reimplantation using straight tube grafts (David I procedure). Sixty patients (31%) had Marfan syndrome, and 24 (12%) had a bicuspid aortic valve. Twenty-four patients (12%) were operated through upper mini-sternotomy. RESULTS: There were no perioperative deaths. Stroke rate was 1% (2 of 197). Discharge echocardiography showed none to trivial aortic regurgitation (AR) in 71% (139 of 197 patients) and mild AR in 26% (51 of 197 patients). Thirty-two patients (16%) died during follow-up (9.0 +/- 5.5 years after operation). One death was aortic valve related. Twenty-six patients (13%) underwent aortic valve reoperations during follow-up (5.5 +/- 5.0 years after operation). Late endocarditis occurred in 2 patients (1.0%). More than trivial AR at discharge predicted a higher reoperation rate. In 144 non reoperated survivors, echocardiography showed none to trivial AR in 56 (39%), mild AR in 53 (37%), moderate AR in 19 (6.3%), and severe AR in 4 (2.7%) of the patients after 12 +/- 5.3 years. CONCLUSIONS: The valve-sparing David I procedure has excellent short- and long-term results. Erosion due to supposed leaflet contact with the straight tube graft was not observed in any patient, proving that using a straight graft has no negative impact on the leaflets. The "spared valve" (being native living tissue) seems to be more resistant to infection than prosthetic valves. PMID- 29198632 TI - Prognostic factors predicting survival in incurable stage IV colorectal cancer patients who underwent palliative primary tumor resection. Retrospective cohort study. AB - BACKGROUND: The aim of this study is to estimate prognostic factors predicting survival in patients with incurable stage IV colorectal cancer (CRC), who underwent palliative primary tumor resection (PTR) with chemotherapy. MATERIALS AND METHODS: We retrospectively performed an analysis using clinicopathological parameters of 103 patients with incurable stage IV CRC, who underwent palliative PTR with chemotherapy between 2006 and 2010. Prognostic factors associated with overall survival (OS) were evaluated by univariate and multivariate analyses. RESULTS: The median follow-up time was 17.5 months (range 2.4-60.5) for the total cohort (n = 103). There were five independent factors related to OS in univariate analysis (body mass index, tumor differentiation, pT, pN stage and local clearance of the primary tumor). A multivariate analysis revealed that pT, pN and local clearance of the primary tumor were prognostic factors related to OS. Median survival months (95% CI) were pT1, 2, 3: 21.5 (16.23-26.77) months vs. pT4: 13.73 (9.94-17.53) months, pN-: 29.7 (22.55-35.99) months vs. pN+: 17.1 (15.0-19.41) months and R0: 18.57 (16.65-20.48) months vs. R1, 2: 12.43 (9.95 14.91) months. CONCLUSION: Locally advanced primary tumor (high pT stage, positive regional lymph node, and local residual primary tumor) was associated with poorer OS in incurable stage IV CRC patients, who underwent palliative PTR with chemotherapy. The PTR appears to result in better OS in patients with a primary tumor that is not locally advanced. PMID- 29198633 TI - Intraoperative Echocardiographic Assessment of Prosthetic Valves: A Practical Approach. PMID- 29198634 TI - Intraoperative Administration of 4-Factor Prothrombin Complex Concentrate Reduces Blood Requirements in Cardiac Transplantation. AB - OBJECTIVE: Assessing the efficacy of intraoperative 4-factor prothrombin complex concentrate (4F-PCC) use in blood product utilization, time to chest closure, intensive care unit (ICU) and hospital length of stay (LOS), thromboembolic complications, renal injury and mortality in left ventricular assist device (LVAD) patients on home anticoagulation therapy with warfarin, undergoing orthotopic heart transplantation (OHT). DESIGN: Retrospective analysis of OHT patients at Tufts Medical Center from May 2013 to October 2016. SETTING: Single institution, university hospital setting. PARTICIPANTS: Patients with preexisting LVADs who received orthotopic heart transplants (n = 74; 32 patients 4F-PCC, 42 patients no 4F-PCC). INTERVENTIONS: Warfarin reversal using 4F-PCC in patients with LVADs undergoing orthotopic heart transplantation with the 4F-PCC dosing partitioned such that one-third was given pre-CPB and two-thirds were given post CPB. MEASUREMENTS AND MAIN RESULTS: The 4F-PCC group required less plasma (6 [IQR 4] v 1.31 [IQR 2] U, p < 0.001), cryoprecipitate (10 [IQR 10] v 7.50 [IQR 5] U, p < 0.001), and packed red blood cells (5 [IQR 4] v 2 [IQR 1.5] U, p < 0.001) and had a shorter time to chest closure (618.8 +/- 111.4 v 547.9 +/- 110.1 minutes, p = 0.008). There was no difference in platelet transfusion (2 [IQR 1] v 2 [IQR 1] U, p = 0.16), ICU or hospital LOS, acute kidney injury, or mortality. No thrombotic complications occurred. CONCLUSIONS: Replacing plasma with 4F-PCC to reverse preoperative warfarin anticoagulation during OHT was associated with a shorter time to chest closure and less blood product utilization, without an increase in acute kidney injury, thromboembolic complications, or death. PMID- 29198635 TI - Systems analysis of voluntary reported anaesthetic safety incidents occurring in a university teaching hospital. AB - OBJECTIVE: To identify factors contributing to the development of anaesthetic safety incidents. STUDY DESIGN: Prospective, descriptive, voluntary reporting audit of safety incidents with subsequent systems analysis. ANIMALS: All animals anaesthetized in a multispecies veterinary teaching hospital from November 2014 to October 2016. METHODS: Peri-anaesthetic incidents that risked or caused unnecessary harm to an animal were reported by anaesthetists alongside animal morbidity and mortality data. A modified systems analysis framework was used to identify contributing factors from the following categories: Animal and Owner, Task and Technology, Individual, Team, Work Environmental, and Organizational and Management. The outcome was graded using a simple descriptive scale. Data were analysed using Pearson's Chi-Square test for association and univariable and multivariable logistic regression analysis. RESULTS: Totally, 3379 anaesthetics were performed during the audit period. Of these, 174 incident reports were analysed, 163 of which impacted safe veterinary care and 26 incidents were considered to have had major or catastrophic outcomes. Incident outcome was believed to have been limited by anaesthetist intervention in 104 (63.8%) cases. Various factors were identified as: Individual in 123 (70.7%), Team in 108 (62.1%), Organizational and Management in 94 (54.0%), Task and Technology in 80 (46.0%), Work Environmental in 53 (30.5%) and Animal and Owner in 36 (20.7%) incidents. Individual factors were rarely seen in isolation. Significant associations were identified between Experience and Supervision, X2 (1, n=174)=54177, p=0.001, Failure to follow a standard operating procedure and Task Management, X2 (2, n=174)=11318, p=0.001, and Staffing and Poor Scheduling, X2 (1, n=174)=36742, p=0.001. Animal Condition [odds ratio (OR)=16210, 95% confidence interval (CI)=5573-47147)] and anaesthetist Decision Making (OR=3437, 95% CI=1184-9974) were risk factors for catastrophic and major outcomes. CONCLUSIONS AND CLINICAL RELEVANCE: Individual factors contribute to many safety incidents but tend to occur concurrently with other factors. Anaesthetist intervention limits the consequences of incidents for most animals. PMID- 29198636 TI - Prolonged diuretic and saluretic effect of nothofagin isolated from Leandra dasytricha (A. Gray) Cogn. leaves in normotensive and hypertensive rats: Role of antioxidant system and renal protection. AB - Although the acute diuretic effect of nothofagin has been recently demonstrated, its effects after dose-repeated treatment have not yet been explored. For that, male Wistar normotensive (NTR) and spontaneously hypertensive rats (SHR) were orally treated, once a day, with vehicle (VEH: distilled water; 1 ml/kg), hydrochlorothiazide (HCTZ; 10 mg/kg) or nothofagin (NOT; 1 mg/kg). The cumulative diuretic index and urinary electrolytes excretion were measured each 24 h. On the last day of the experiment (7th day), urine, blood and kidney samples were collected for biochemical and molecular analyzes. The urinary volume of both NTR and SHR were significantly increased with the treatment with NOT (from the second to the seventh day of treatment), with final values reaching an increase of 56% and 82%, respectively, when compared with VEH-treated group. This effect was associated with increased levels of urinary excretion of Na+ and Cl-, without any changes on K+ excretion. None of the treatments modified urinary pH or density values. Importantly, neither the NOT nor the HCTZ caused any change in body weight following the dose-repeated treatment, and also did not provoke an electrolytic disturbance. Regarding the renal analyzes, when compared with the vehicle-treated NTR group, the activity of superoxide dismutase (SOD) and the reduced glutathione (GSH) levels in kidney homogenates of the SHR group were decreased, while the generation of lipid hydroperoxides were significantly increased. The daily treatment with NOT was able to restore the GSH levels and SOD activity, as well as reduced the lipoperoxidation in the kidney homogenates obtained from SHR animals. Finally, NOT significantly augmented the levels of nitrite, a marker of nitric oxide production, in the plasma obtained from SHR group when compared with the vehicle-treated only NTR. This study revealed the prolonged diuretic and saluretic effect of nothofagin in normotensive and hypertensive rats. Our data also showed the renal protective effects of nothofagin by the improvement of antioxidative capacity, as well as by the augmented bioavailability of plasma nitric oxide in the hypertensive group. PMID- 29198637 TI - [Current status of noninvasive hemodynamics in hypertension]. AB - Hypertension is a haemodynamic disorder resulting from a persistent mismatch between cardiac output and peripheral resistance. Hypertension undergoes haemodynamic progression during its natural history. Impedance cardiography is a method of evaluating the cardiovascular system that obtains haemodynamic information from beat to beat through the analysis of variations in the impedance of the thorax on the passage of an electric current. Impedance cardiography unmasks the haemodynamic deterioration underlying the increase in blood pressure as age and systolic blood pressure increases. This method may help to improve blood pressure control through individualized treatment with reduction of peripheral resistance, maintenance of cardiac output or its increase, improvement of arterial compliance and preservation of organ-tissue perfusion. It is useful in the management of patients with resistant hypertension, since a greater percentage of patients controlled with changes in the treatment in relation to the haemodynamic measurements are obtained. Impedance cardiography is important and has prognostic utility in relation to a haemodynamic deterioration pattern and increased cardiovascular events. PMID- 29198638 TI - Guideline for Discharge Opioid Prescriptions after Inpatient General Surgical Procedures. AB - BACKGROUND: There is a paucity of data to inform appropriate opioid prescribing for patients who are discharged after a hospital admission for a surgical procedure. STUDY DESIGN: We studied 333 inpatients discharged to home after bariatric, benign foregut, liver, pancreas, ventral hernia, and colon surgery. Chronic opioid users or patients who had complications were excluded. Home opioid usage was quantified in 90% of the remaining patients by questionnaires and phone surveys. RESULTS: Eighty-five percent of patients were prescribed an opioid and 38% of prescribed opioid pills were taken. Fifteen opioid pills satisfied the opioid needs of 88% of patients discharged on postoperative day (POD) 1. For patients discharged after POD 1, in multivariate analysis, the number of opioid pills used at home was associated with the number taken the day before discharge (p < 0.0001) and patient age (p = 0.006), but not the type of surgery. Forty-one percent of patients took no opioids the day before discharge, 33% took 1 to 3, and 26% took more than 4 pills. Eighty-five percent of patients' home opioid requirements would be satisfied using the following guideline: if no opioid pills are taken the day before discharge, no prescription is needed; if 1 to 3 opioid pills are taken the day before discharge, then a prescription for 15 opioid pills is given at discharge; and if 4 or more pills are taken the day before discharge, then a prescription for 30 opioid pills is given at discharge. If these guidelines were used, the number of opioid pills prescribed would decrease by 40%. CONCLUSIONS: For patients admitted after surgical procedures, post-discharge opioid use is best predicted by usage the day before discharge. Use of this guideline could decrease opioid prescriptions substantially and effectively treat patients' pain. PMID- 29198639 TI - Baseline Multiparametric MRI for Selection of Prostate Cancer Patients Suitable for Active Surveillance: Which Features Matter? AB - INTRODUCTION: Increasing evidence has supported the use of multiparametric magnetic resonance imaging (mpMRI) for the detection of prostate cancer. However, its role in selecting patients clinically suitable for active surveillance (AS) is still in development. We aimed to find relevant mpMRI features that might be helpful for refinement of the selection of low-risk prostate cancer patients for AS. We also evaluated the interobserver variability in reporting prostate mpMRI features. PATIENTS AND METHODS: From 2008 to 2012, 135 patients were selected for AS using Epstein criteria. Baseline mpMRI studies were performed within 3 months of recruitment and reviewed by 2 radiologists who were unaware of the patients' outcomes. The radiologists recorded the mpMRI features using the Prostate Imaging Reporting and Data System (PI-RADS) guidelines. The overall likelihood of the presence of significant prostate cancer was also determined using the Likert and PI-RADS, version 2 (v2), scores. Univariate and multivariate analyses, receiver operating characteristic curves, and Kaplan-Meier survival curves were calculated for the mpMRI features with respect to patient withdrawal from the AS program and failure-free survival (FFS). The interobserver agreement was also evaluated. RESULTS: At a median follow-up time of 31 months (range, 6-80 months), 84 patients (62.2%) were participating in the AS program. In 2 multivariate models, the variables significantly associated with outcomes for both readers were the index lesion size (hazard ratio [HR], 2.34 and 3.13, respectively) and overall PI RADS, v2, score (HR, 2.51 and 3.21, respectively). The interobserver agreement was higher for the overall Likert and PI-RADS, v2, scores. CONCLUSION: Overall, the PI-RADS, v2, score and index lesion size were strongly associated with FFS. Overall, the Likert and PI-RADS, v2, scoring systems have been confirmed to be useful, although further improvements are needed. PMID- 29198640 TI - Serum Testosterone Levels in Prostate Cancer Patients Undergoing Luteinizing Hormone-Releasing Hormone Agonist Therapy. AB - BACKGROUND: Serum testosterone measurement is recommended to assess the efficacy of androgen deprivation therapy (ADT) and to diagnose castration resistance in patients with prostate cancer (PCa). Currently, the accepted castrate level of serum testosterone is 50 ng/dL. Liquid chromatography and tandem mass spectrometry (LC MSMS) is the appropriate method to measure testosterone, especially at low levels. However, worldwide, chemiluminescent assays (CLIAs) are used in clinical laboratories, despite their lack of accuracy and reproducibility, because they are automatable, fast, sensitive, and inexpensive. MATERIALS AND METHODS: We compared serum testosterone levels measured using LC MSMS and CLIAs in 126 patients with PCa undergoing luteinizing hormone-releasing hormone (LHRH) agonist therapy. RESULTS: The median serum testosterone level was 14.0 ng/dL (range, 2.0-67.0 ng/dL) with LC MSMS and 31.9 ng/dL (range, 10.0-91.6 ng/dL) with CLIA (P < .001). The serum testosterone levels, measured using LC MSMS, were < 20 ng/dL in 83 patients (65.9%), 20 to 50 ng/dL in 40 (31.7%), and > 50 ng/dL in 3 patients (2.4%). These ranges were found in 34 (27%), 72 (57.1%), and 20 (15.9%) patients when testosterone was measured using CLIA (P < .001). The castrate level of serum testosterone using LC MSMS and CLIA was 39.8 ng/dL (95% confidence interval [CI], 37.1-43.4 ng/dL) and 66.5 ng/dL (95% CI, 62.3-71.2 ng/dL), respectively. CONCLUSION: We found that CLIA overestimated the testosterone levels in PCa patients undergoing LHRH agonist therapy. Thus, the castration level was incorrectly considered inadequate with CLIA in almost 15% of patients. The true castration level of serum testosterone using an appropriate method is < 50 ng/dL. PMID- 29198641 TI - Hemodialysis Self-management Intervention Randomized Trial (HED-SMART): A Practical Low-Intensity Intervention to Improve Adherence and Clinical Markers in Patients Receiving Hemodialysis. AB - BACKGROUND: Poor adherence to treatment is common in hemodialysis patients. However, effective interventions for adherence in this population are lacking. Small studies of behavioral interventions have yielded improvements, but clinical effectiveness and long-term effects are unclear. STUDY DESIGN: Multicenter parallel (1:1) design, blinded cluster-randomized controlled trial. SETTING & PARTICIPANTS: Patients undergoing maintenance hemodialysis enrolled in 14 dialysis centers. INTERVENTION: Dialysis shifts of eligible patients were randomly assigned to either an interactive and targeted self-management training program (HED-SMART; intervention; n=134) or usual care (control; n=101). HED SMART, developed using the principles of problem solving and social learning theory, was delivered in a group format by health care professionals over 4 sessions. OUTCOMES & MEASUREMENTS: Serum potassium and phosphate concentrations, interdialytic weight gains (IDWGs), self-reported adherence, and self-management skills at 1 week, 3 months, and 9 months postintervention. RESULTS: 235 participants were enrolled in the study (response rate, 44.2%), and 82.1% completed the protocol. IDWG was significantly lowered across all 3 assessments relative to baseline (P<0.001) among patients randomly assigned to HED-SMART. In contrast, IDWG in controls showed no change except at 3 months, when it worsened significantly. Improvements in mineral markers were noted in the HED-SMART arm at 3 months (P<0.001) and in potassium concentrations (P<0.001) at 9 months. Phosphate concentrations improved in HED-SMART at 3 months (P=0.03), but these effects were not maintained at 9 months postintervention. Significant differences between the arms were found for the secondary outcomes of self-reported adherence, self-management skills, and self-efficacy at all time points. LIMITATIONS: Low proportion of patients with diabetes. CONCLUSIONS: HED-SMART provides an effective and practical model for improving health in hemodialysis patients. The observed improvements in clinical markers and self-report adherence, if maintained at the longer follow-up, could significantly reduce end stage renal disease-related complications. Given the feasibility of this kind of program, it has strong potential for supplementing usual care. TRIAL REGISTRATION: Registered at ISRCTN with study number ISRCTN31434033. PMID- 29198642 TI - Caring for Undocumented Immigrants With Kidney Disease. AB - The care of dialysis-dependent undocumented immigrants exemplifies a problem at the crux of 2 US national agendas: immigration and health care reform. Undocumented immigrants represent 3% of the US population and 27% of the uninsured, and an estimated 6,500 individuals are dialysis dependent. With no uniform national policy, an estimated 30% to 50% of these individuals receive treatment only in life-threatening situations (emergent dialysis). Since 2005, about 400 undocumented immigrants have received a kidney transplant (>70% living). Although the Affordable Care Act specifically excluded noncitizens, its policies have indirectly allowed more than 200 individuals to purchase insurance from a health insurance exchange and transition from emergent to thrice-weekly hemodialysis. Under the Trump administration, uncertainties with health care plans, threats of deportation, and rescinding of policies such as sanctuary city status are bound to result in unforeseen challenges for this vulnerable population. Global variation in the care accessible to migrants, refugees, undocumented immigrants, and asylum seekers argues for the need for a framework to transform advocacy into public policy to improve the lives of patients with kidney disease worldwide. Access to nonemergent dialysis is humane and cost effective; it deserves to be espoused and advocated by leading medical organizations. PMID- 29198643 TI - Validity of a Risk Prediction Equation for CKD After 10 Years of Follow-up in a Japanese Population: The Ibaraki Prefectural Health Study. AB - BACKGROUND: Chronic kidney disease (CKD) is an important health problem for which risk equations have been developed for Western populations. This study aimed to develop and validate a risk prediction equation for CKD in a Japanese population. STUDY DESIGN: Observational cohort study. SETTING & PARTICIPANTS: The study included 135,007 participants who completed an annual health checkup in 1993 to 1996 in the Ibaraki Prefecture in Japan. Participants were initially free of CKD (defined as stage 3, 4, or 5 CKD or proteinuria [2+ or 3+] by dipstick). Follow up information was available from health checkups 10 years after the initial evaluation. We used data from 40,963 women and 17,892 men in the northern region of the prefecture for the development of risk prediction equations and 53,042 women and 23,110 men in the southern region for external validation. PREDICTORS: Age, estimated glomerular filtration rate (eGFR), body mass index, proteinuria, hematuria, hypertension, diabetes mellitus, smoking, and drinking. OUTCOME: Occurrence of CKD (defined as eGFR<60mL/min/1.73m2 and/or proteinuria [2+ or 3+] by dipstick). ANALYTICAL APPROACH: Logistic regression analysis to estimate risk for CKD stratified by sex. RESULTS: During follow-up, 7,500 cases of CKD developed in the northern region and 8,964, in the southern region. Older age, proteinuria (1+), higher systolic blood pressure, medication for hypertension, and current smoking were associated with increased risk for CKD in both sexes, whereas higher eGFR and daily alcohol intake were associated with lower risk. C statistics of risk estimation equations for CKD at 10 years were >0.8 for both the development and external validation populations, and discrimination of the risk estimation was fairly good in women and men. LIMITATIONS: Fluctuations in variables were not evaluated because the study used annual health checkups. This study excluded a large number of people for whom a 10-year health checkup was not available. CONCLUSIONS: Estimations of risk for CKD after 10 years of follow-up in a general Japanese population can be achieved with a high level of validity. PMID- 29198644 TI - The diagnostic usefulness of the negative electroretinogram. AB - The definition of the negative response of the full field electroretinogram is the presence of a b-wave with less amplitude than the a-wave (b/a ratio<1) in the combined response of cones and rods. The presence of this pattern reflects an alteration in the bipolar cells, the Muller cells, or in the transmission of the stimulus from the photoreceptors to the bipolar cells, with preserved photoreceptor function. This finding can be seen bilaterally and symmetrically in different hereditary conditions, such as congenital stationary night blindness, juvenile X-linked retinoschisis, and Duchenne and Becker muscular dystrophies. On the other hand, it can also be found unilaterally (or asymmetrically) in acquired pathologies, such as some types of immuno-mediated retinitis (Birdshot retinochoroiditis), autoimmune retinopathies, cancer/melanoma associated retinopathy, or retinal toxicity. The objective of this review is to summarise the characteristics of the pathologies in which this finding can be observed, in order to highlight its usefulness in the differential diagnosis of retinal conditions. PMID- 29198645 TI - Let's not twist and spin-doctor our articles. PMID- 29198646 TI - Salvage surgery for recurrence of laryngeal and hypopharyngeal squamous cell carcinoma: A retrospective study from 2005 to 2013. AB - OBJECTIVES: Salvage surgery is the gold-standard treatment for locoregional recurrence of laryngeal and hypopharyngeal cancer following radiation therapy. Imperfect oncologic and functional results, however, require patient selection. The main objective of the present study was to determine preoperative factors for survival. Secondary objectives were to study 5-year overall and disease-free survival, general and locoregional complications, and functional results in terms of feeding and tracheotomy closure. PATIENTS AND METHOD: A retrospective multicenter study included 52 patients treated by salvage surgery for recurrence of laryngeal or hypopharyngeal squamous cell carcinoma after radiation therapy between 2005 and 2013. RESULTS: Factors associated with improved 3-year overall survival on univariate analysis comprised laryngeal primary (P=0.001), laryngeal recurrence (P=0.026), rT1, rT2 or rT3 rather than rT4 tumor (P=0.007), previous chemotherapy (P=0.036), and neck dissection during salvage surgery (P=0.005), the last of these being confirmed on multivariate analysis. Five-year overall survival was 36.0% (range, 27.6-44.4%), for a median 23.04 months (95% CI, 19.44 26.64). Five-year disease-free survival was 23.5% (range, 16.0-31.0%), for a median 8.04 months (95% CI, 2.04-14.04). CONCLUSION: Salvage surgery for laryngeal or hypopharyngeal cancer is difficult, and survival is not good. Laryngeal primary and recurrence location, moderate tumor volume and extension ( Helar-ATLII > Helar-AT > Helar-ATLIII. Helar-ATLI and Helar-ATLII represented the functional ligands to Helar-ATR in vitro, while Helar-AT and Helar-ATLIII behaved as partial agonists. The in vitro functional analysis suggested that the Helar ATR signal was mainly coupled with elevated levels of Ca2+ and independent of cAMP levels. Helar-ATR mRNA in larvae showed the highest level in the brain, followed by the thorax ganglion, abdomen ganglion, fat body and midgut. Helar-ATR mRNA levels in the complex of the brain-thoracic-abdomen ganglion on the 2nd day of the larval stage and during later pupal stages were observed to be relatively higher than in the wandering and early pupal stages. PMID- 29198648 TI - Advancing the role of the pharmacy technician: A systematic review. AB - OBJECTIVES: To summarize the findings of a literature search on advancing the role of pharmacy technicians, including the types of training identified and the potential costs and benefits to both the technician and the pharmacy. DATA SOURCES: A literature search of Scopus, Embase, and Medline was conducted on January 11, 2017. STUDY SELECTION: Original research, research reports, case studies, or association reports were included for review. Articles were considered to be relevant based on identification of an advanced pharmacy technician role or addressing additional training/education for technician functions. DATA EXTRACTION: A standard data extraction form was used to collect study authors, article title, year published, journal title, study design, brief description of methods, primary outcome measures, advanced technician roles identified, additional education or training addressed, and additional costs and benefits identified in each article. RESULTS: A total of 33 articles were included for full review and data extraction. Study design varied, with 17 (52%) quantitative, 1 (3%) qualitative, 5 (15%) mixed-method, and 10 (30%) case study designs. Seventeen (52%) of the studies included were published after 2006. The mechanism of training was primarily through supervised on-the-job training, allowing technicians to assume administrative-based positions that facilitated a pharmacist-led clinical service, with either the pharmacist or the pharmacy receiving the greatest benefits. CONCLUSION: Although the literature supports technicians performing advanced roles in the pharmacy, resulting in either improved patient outcomes or opportunities for pharmacists to engage in additional clinical services, the benefits to the technician were primarily indirect, such as an increase in job satisfaction or a more desirable work schedule. If a technician is to take on additional roles that require completion of a formalized training or educational program, benefits that are more tangible may help to inspire technicians to pursue these roles. PMID- 29198649 TI - ? PMID- 29198650 TI - End-in-Sight: Cell Polarization by the Polygamic Organizer PopZ. AB - Understanding how asymmetries in cellular constituents are achieved and how such positional information directs the construction of structures in a nonrandom fashion is a fundamental problem in cell biology. The recent identification of determinants that self-assemble into macromolecular complexes at the bacterial cell pole provides new insight into the underlying organizational principles in bacterial cells. Specifically, polarity studies in host-associated or free-living alpha-proteobacteria, a lineage of Gram-negative (diderm) bacteria, reveals that functional and cytological mono- and bipolarity is often conferred by the multivalent polar organizer PopZ, originally identified as a component of a polar chromosome anchor in the cell cycle model system Caulobacter crescentus. PopZ dependent polarization appears to be widespread and also functional in obligate intracellular pathogens. Here, we discuss how PopZ polarization and the establishment of polar complexes occurs, and we detail the physiological roles of these complexes. PMID- 29198651 TI - Foreword. PMID- 29198652 TI - Lorraine Racusen and Kim Solez Awarded the Gold Medal of the Catalan Transplant Society. AB - In March 2017, a joint meeting between The Catalan Society of Transplantation and the Banff Foundation was held at the University of Barcelona. This was an opportunity for the Catalan Society of Transplantation to recognize the crucial contributions to transplant pathology made by Lorraine Racusen and Kim Solez, who created and actively contributed to the development of the International Banff Classification System. The ceremony of the Gold Medal took place on March 31 at the University of Barcelona; it consisted of a presentation of the contributions of Lorraine Racusen and Kim Solez to the development of transplant pathology. In this article, the presentation of these awardees with the Gold Medal of the Catalan Society of Transplantation is summarized. PMID- 29198653 TI - Acceptance of Gold Medal From the Catalan Society of Transplantation by Drs. Lorraine Racusen and Kim Solez - With Remarks on the Banff Meeting Spirit. AB - The awarding of the gold medal from the Catalan Society of Transplantation to the organizers of the Banff Transplant Pathology meetings is an opportunity to acknowledge gratitude to all the people who have helped make these meetings a success over the past 26 years. Other large organizations have given up consensus conferences, but the Banff consensus process is thriving. It is unusual for any organization to have the same leadership for 26 years. It has only worked for the Banff meetings because the leadership was flexible and able to change with the times. People have often talked about the "special Banff spirit." This year's meeting gave us the opportunity to examine this spirit in detail by analyzing how the meeting consensus sessions and social events functioned. The meeting has never used expert facilitators, but instead has employed experts within the transplant pathology community to moderate discussions. The size of the working sessions is important; they have usually been less than 150 people, which is within "Dunbar's number," meaning that in gatherings of that size one can have empathetic feeling for all the people there. In larger gatherings one loses that "we are all in this together" feeling and people begin thinking "us" versus "them" thoughts. For "unknown" young people the ability to easily talk to well known leaders in the field is rewarding and keeps them coming back for more time after time. Images of the social events do not suggest any sort of hierarchy; everyone interacts with everyone else. PMID- 29198654 TI - Evaluation of Frozen and Paraffin Sections Using the Maryland Aggregate Pathology Index Score in Donor Kidney Biopsy Specimens of a Brazilian Cohort. AB - The Maryland aggregate pathology index (MAPI) score is an important tool developed to help pathologists in evaluating potential organs for transplantation. It is based on analysis of five variables (present or absent): arteriolar hyalinosis (4 points), periglomerular fibrosis (2 points), arterial wall-lumen ratio superior to 0.5 (2 points), global glomerulosclerosis in more than 15% of glomeruli (2 points), and interstitial scar (3 points). Kidneys with a MAPI score >7 points are considered inadequate for donation. This study aimed to evaluate pathology agreement between frozen sections (FS) and paraffin sections (PS) using the MAPI score in a cohort of 262 biopsy specimens obtained at the General Hospital of Fortaleza, Brazil. We performed a retrospective review of pathological reports of FS (signed out by an on-call pathologist) and their corresponding PS (authorized by a specialist in renal pathology). Agreement was calculated using the Kappa test. Kappa values ranging from 0.29 to 0.51 were obtained when MAPI parameters were separately evaluated. When the score was used, the coefficient was 0.59. Fourteen of 262 kidneys were classified as inadequate for donation using PS and 8 cases were diagnosed using FS. There were no differences between wedge-shaped and filiform samples, apart from the mean number of glomeruli. Discordant cases had no statistical difference from concordant ones when clinical and macroscopic pathological parameters were analyzed. The MAPI score can be useful to minimize disagreements between FS and PS, but more effort should be made to standardize criteria and enable pathologists to recognize chronic lesions in FS samples. PMID- 29198655 TI - Clinical and Pathological Analyses of Cases of Acute Vascular Rejection After Kidney Transplantation. AB - BACKGROUND: We performed a clinical and pathological analysis of cases of acute vascular rejection (AVR), characterized by intimal arteritis and transmural arteritis (Banff v score) after kidney transplantation, in an attempt to clarify the mechanisms underlying the development and prognostic significance of AVR. METHODS: AVR (Banff score: v >0) was diagnosed in 31 renal allograft biopsy specimens (BS) obtained from 31 renal transplant patients receiving follow-up care at the Department of Urology, Tokyo Women's Medical University, between January 2010 and April 2016. RESULTS: AVR was diagnosed at a median of 124.6 days after transplantation. Among the 31 BS showing evidence of AVR, AVR was mild (v1 in Banff's classification) in 25 cases, moderate (v2) in 6, and severe (v3) in none. We classified the 31 BS with evidence of AVR by their overall histopathological features as follows: isolated v lesions were observed in 6 BS, acute antibody-mediated rejection (AAMR) in 7, acute T-cell-mediated rejection (ATCMR) in 12, and both ATCR and AAMR in 6. Loss of the renal allograft occurred during the observation period in 3 patients, and, of the remaining cases with functioning grafts, deterioration of renal allograft function after biopsy occurred in only 2 patients. CONCLUSIONS: The results of our study suggest that ATCMR contributes to AVR in 40% to 60% of cases, AAMR in 20% to 40% of cases, and isolated v lesions in 20% of cases. The prognosis of the patient with the graft that had AVR was relatively good under the present immunosuppression protocol and current anti-rejection therapies. PMID- 29198656 TI - Long-Term Outcomes of Kidney Transplant Recipients With Primary Idiopathic Focal Segmental Glomerulosclerosis. AB - BACKGROUND: Few data exist on recurrence rates, treatment response, and long-term outcomes in kidney transplant recipients (KTR) with primary focal segmental glomerulosclerosis (FSGS). METHODS: This retrospective, observational study included 1218 consecutive KTR during 2002 to 2016. All patients with primary idiopathic FSGS were identified through application of strict diagnostic criteria. Outcomes were followed over an average of 70.4 months. RESULTS: We identified 48 KTR (3.9%) with primary FSGS. Seven-year death-censored graft survival rate was 81% (primary FSGS) versus 85% (control) (P = .297). Eighteen KTR had FSGS recurrence (predicted incidence, 50% after 7 years). Seven-year death-censored graft survival rate in KTR with FSGS recurrence was significantly worse than in FSGS KTR without recurrence (63% versus 96%, P = .010). In the case of FSGS recurrence, a multi-modal treatment approach was applied, including plasma exchange (PE) (100% of patients), intravenous cyclosporine (50%), rituximab (61%), and the "Multiple Target Treatment" (39%). The median number of PE sessions was 27. Proteinuria decreased significantly and persistently during the course of treatment. Complete remission of FSGS was observed in 7 patients (39%); another 7 patients (39%) had partial remission (PE dependence was observed in 4 patients [22%]). Four patients (22%) with FSGS recurrence had early graft loss (<6 months after transplant) despite all treatment efforts. CONCLUSIONS: In KTR with primary FSGS, a high proportion of recurrence occurred, and recurrence was associated with significantly worse death-censored graft survival rates. However, a multi-modal treatment approach led to improvement of proteinuria and full or partial remission in most patients. Importantly, overall death-censored graft survival rate in KTR with primary FSGS was comparable with that in the control group. PMID- 29198657 TI - Association of Brain-Dead Donors' Terminal Inflammation With Delayed Graft Function in Kidney Transplant Recipients. AB - BACKGROUND: Systemic inflammation affects kidney function in a wide range of diseases. Even in kidney transplant recipients, higher levels of C-reactive protein (CRP) are invariably associated with both worse short- and long-term graft outcomes. However, little is known about systemic inflammation in kidney donors and, notably, brain death causes a strong systemic inflammatory response. OBJECTIVE: To analyze the role of systemic inflammation of brain-dead donors on short-term kidney graft outcomes (ie, delayed graft function [DGF], defined as the need of dialysis during the first week after transplantation). MATERIALS AND METHODS: Retrospective analysis of clinical and biochemical characteristics of all brain-dead kidney donors generated in the Hospital Clinic of Barcelona in the 2006 to 2015 period (n = 194). Donors who were tested for CRP in the 24 hours before BD declaration were included (n = 97, 50% of initial population). Clinical and biochemical features of their respective recipients (n = 165) were analyzed, comparing recipients who developed DGF (n = 30) with recipients who did not (n = 135). RESULTS: Donors whose recipients later developed DGF had much higher CRP values (10.58 [5.1-18.21] vs 4.81 [1.42-12.2] mg/dL, P = .025). Other characteristics associated with the development of DGF were renal biopsy score and recipient dialysis vintage (P = .025 and P = .002, respectively). In logistic regression analysis, PCR maintained significance in the non-expanded criteria donor (ECD) group (odds ratio [OR], 1.102; P = .027), but it lost significance in the ECD group (P = .67). CONCLUSIONS: Terminal donor CRP was associated with DGF in kidney transplant recipients and proved to be mostly significant in younger donors. PMID- 29198658 TI - Immunologic Long-term Outcomes of Living-Related Kidney Transplantations Depending on the Donor-Recipient Relationship. AB - BACKGROUND: The aim of this study is to analyze the long-term immunologic outcomes of living-related kidney transplantations depending on the donor recipient relationship. METHODS: This retrospective single-center study included adult kidney transplant recipients (KTR) transplanted between 2000 and 2014. Among 1117 KTRs, 178 patients (15.9%) received living-related donations. Those patients were further categorized according to the donor-recipient relationship: 65 transplantations between siblings, 39 father-to-child (F-t-C) and 74 mother-to child (M-t-C) donations. Allograft biopsies were performed for clinically suspected rejections. Data analysis included patient and graft survival, biopsy proven rejections (T-cell mediated [TCMR] or antibody mediated) and development of de novo donor-specific antibody. Outcome data were assessed over a period of a maximum 14 years. RESULTS: There was no significant difference between the groups (F-t-C, M-t-C, and siblings) with regard to HLA-mismatches, prior kidney transplantations, time on dialysis, and cold ischemia time. Among KTRs with related donors, the type of relationship had no significant influence on graft survival. F-t-C and M-t-C pairs showed comparable incidences of TCMR at 7 years post-transplantation, both significantly exceeding the rate in sibling-to-sibling pairs (26.2% and 26.8% vs 10%, respectively; P = .043). A multivariate Cox regression analysis adjusted for recipient age, donor age, and HLA (A, B, DR) mismatches identified both M-t-C- and F-t-C-donations as important independent risk factors for TCMR (hazard ratio: 8.13; P < .001 and hazard ratio: 8.09; P = .001, respectively). There was no significant difference between the groups concerning the incidence of antibody-mediated rejection and de novo donor specific antibody. CONCLUSION: Our results indicate that parent-to-child kidney donation is an independent risk factor for TCMR. PMID- 29198659 TI - Incidence of Infectious Disease and Malignancies After Rituximab Therapy in Kidney Transplant Recipients: Results From a Cohort in Germany. AB - BACKGROUND: Rituximab is frequently used in solid organ transplantation off label, especially in patients with renal allografts. Few data are available on the safety aspects of solid organ transplant recipients receiving rituximab. There is a knowledge gap on long-term follow-up data, in particular on infectious complications. PATIENTS AND METHODS: A retrospective observational registry study (German Registry on Autoimmune Diseases) comprising a total of 681 patients was conducted. The data of 63 adult kidney transplant recipients who received rituximab between 2006 and 2013 were used in this analysis. RESULTS: Median follow-up was 42 (1-109) months. At least 1 severe infection occurred in 57% of patients. The median time between the first rituximab infusion and the first infection was 4 (1-48) months. Of the overall 88 infections, 74 were severe bacterial infections, 5 were severe viral infections, 3 were severe fungal infections, 2 were combined severe bacterial and fungal infections, and 4 were combined severe viral, fungal and bacterial infections. Seven patients died during the observational period, 2 of them due to infectious complications. In the observational period, 1 case of squamous cell carcinoma but no other malignancies were observed. CONCLUSION: Consistent with previous data, a high incidence of infections was observed after rituximab treatment in kidney transplant recipients. Most infections occurred within 6 months after rituximab initiation. With more than 3 years of follow-up, we were able to document a low incidence of secondary malignancies after rituximab with only 1 case in our cohort. PMID- 29198660 TI - Utility of Oxford Classification in Post-Transplant Immunoglobulin A Nephropathy. AB - BACKGROUND: With increasing graft survival, post-transplant immunoglobulin A nephropathy (IgAN) has emerged as an important cause of chronic graft dysfunction in renal allograft recipients. We studied the clinico-pathological features of post-transplant IgAN regardless of the primary disease. The aim was to study the usefulness of the Oxford classification in predicting survival. METHODS: Indication graft biopsy specimens (n = 915) were received during a 10-year period; 27 biopsy specimens from 22 patients were diagnosed as IgAN. RESULTS: Post-transplant IgAN was seen in 2.6% of biopsy specimens. Mean time to occurrence was 71.6 +/- 47.6 months (range, 6.8 months to 16 years), occurring most commonly 4 to 8 years after transplant. Associated rejection was present in 4 biopsies; 72.7% (16/22), 91% (20/22), and 31.8% (7/22) presented with rise in serum creatinine, proteinuria, and hematuria, respectively. Four (21%) patients had nephrotic range proteinuria. Mesangial hypercelullarity (M1), endocapillary hypercelullarity (E1), segmental glomerulosclerosis (S1), and tubulo-interstitial fibrosis (T1-2) was present in 36.6%, 22.7%, 54.5%, and 31.8% biopsies, respectively. The most frequent Haas class was III (n = 7; 29.1%), followed by classes IV and I (n = 5; 20.8% each). The 2- and 5-year graft survival rates were 75% and 56%, respectively. High serum creatinine, low estimated glomerular filtration rate, E1 and T lesions, and degree of interstitial inflammation predicted graft survival. Interestingly, percentage (>25%) of segmentally sclerosed glomeruli and not S1 correlated with graft outcome. CONCLUSIONS: The Oxford MEST scheme is useful in predicting graft survival in post-transplant IgAN. The degree of interstitial inflammation is also an important feature for determining graft outcomes in post-transplant IgAN. PMID- 29198661 TI - Prolonged Low-Dose Prophylaxis With Valganciclovir in Cytomegalovirus-Negative Recipients of Kidney Transplants From Cytomegalovirus-Positive Donors Allows Seroconversion and Prevents Cytomegalovirus Disease. AB - BACKGROUND: Cytomegalovirus-negative recipients of kidneys from cytomegalovirus (CMV)-positive donors (D+/R-) are at high risk to develop severe clinical manifestations of CMV disease. Long-term data about incidence and timing of CMV seroconversion, CMV disease, and the influence of prolonged valganciclovir prophylaxis on the clinical course of CMV infection are missing. METHODS: We conducted a retrospective long-term study of 89 consecutive CMV D+/R- kidney transplant recipients transplanted between 2003 and 2012. All recipients received valganciclovir prophylaxis after transplantation (median 187 [126-261] days) with a median dose of 213 (181-338) mg/d. Long-term outcome was assessed over a maximum of 10 years post-transplant. RESULTS: During follow-up (median 62 months) 60 of 89 (67%) patients had CMV seroconversion, and 29 of 89 (33%) developed symptomatic CMV disease. In addition, in 38 of the 60 (63%), seroconversion occurred during prophylaxis (median 154 days post-transplant), and in 22 patients, after the end of prophylaxis (median 320 days after transplantation). Baseline characteristics of the 2 groups did not differ significantly. Seroconversion during prophylaxis vs seroconversion after the end of prophylaxis was associated with significantly lower incidence of CMV disease (34% vs 73%, P = .007), less severe CMV disease (16% vs 64%, P < .001), and fewer organ manifestations (26% vs 64%, P = .006). The risk of CMV disease was limited to the first 475 days after transplantation. Valganciclovir resistance occurred in just 1 case (1%). CONCLUSIONS: Prolonged prophylaxis with low-dose valganciclovir allowed CMV seroconversion during prophylaxis in a high proportion of D+/R- patients. Seroconversion occurred after a median of 154 days and was associated with significantly lower incidence of CMV disease, less severe CMV disease, and fewer CMV complications. PMID- 29198662 TI - Epidemiology and Risk Factors for Cancer After Lung Transplantation. AB - Cancer is the third most common cause of death among lung transplant (LT) recipients who survive for more than 1 year. The purpose of this study was to analyze the incidence and risk factors for cancer after LT in a Spanish cohort. The epidemiology and risk factors for cancer were retrospectively analyzed in LT recipients from 2 cities in Spain, Madrid and Barcelona. Of the 1353 LT patients initially included in the study, 125 (9.2%) developed cancer after a mean of 3.7 years. This frequency was 5-fold higher than in the general population. The most prevalent tumors were skin cancer (32%), lymphoproliferative disease (18%), and lung cancer (16.5%). In 4 patients, lung cancer was diagnosed on the day of the operation. The risk of cancer increased with age >55 year (hazard ratio [HR] 2.89 [1.64-5.09]; P < .001), in men (HR 2.8 [1.4-5.6]; P = .004), and in heavy smokers (>20 pack-years) (HR 2.94 [1.64-5.27]; P < .001). Other factors such as sun exposure were not found to be risk factors. In conclusion, prevalence of cancer is high in LT recipients in a Mediterranean country. Skin tumors, lymphoproliferative disease, and lung cancer are the most prevalent cancers. Age, male sex, and smoking were the main risk factors for cancer in this population. PMID- 29198663 TI - Determination of the Culture Time Point to Induce Corneal Epithelial Differentiation in Induced Pluripotent Stem Cells. AB - BACKGROUND: Limbal stem cells (LSC) are progenitor cells in the ocular surface that renew the corneal epithelium. Limbal stem cell deficiency usually induces blindness through the loss of corneal transparency, and bilateral cases do not an accurate treatment because of the lack of an autologous source of stem cells. METHODS: Induced pluripotent stem cells (iPSC) are promising for use in cell therapy because of their autologous origin and the capability to differentiate into corneal epithelial cells. However, there are not standardized protocols to achieve a complete corneal epithelial differentiation. We examined the expression of several markers in a human episomal iPSC line after an induction period from embryoid bodies. RESULTS: Progenitor LSC and corneal epithelial differentiation markers, some extracellular matrix protein adhesion molecules, and wingless signaling pathway were studied. Overall, LSC progenitor and corneal epithelium differentiation markers increased after maintaining cell culture in specific conditions for 14 days, whereas pluripotency markers decreased. CONCLUSIONS: Our approach indicated that the optimal time point to initiate iPSC differentiation into LSC and corneal phenotypes, with the use of specific medium, is from 14 days after initial embryoid bodies treatment induction. PMID- 29198664 TI - Relatives' Perception After Tissue Donation Experience: Results of a Postdonation Phone Survey. AB - INTRODUCTION: Postmortem tissue donation (TD) requires the establishment of strategies for family approach to clearly explain the characteristics of multi tissue donation. In a tertiary university hospital with a long tradition of tissue generation, we designed a survey to be applied to tissue donor families to evaluate global hospital care, care from Transplant Coordinators (TC), quality and content of information given about TD, experience, and motivations after TD process. METHODOLOGY: A prospective phone survey of 10 multiple-choice items was conducted to all TD relatives that agreed to donate one or more tissues. RESULTS: From the 166 calls made to TD relatives, 75 (45%) were answered: 50 were cornea donors and 25 were multiple-tissues donors. None of the relatives denied participating, the rest were not found. No statistical differences in demographical variables were found between both types of TD. The hospital and TC care perception, the quality of the given information about the processes of TD, the postdonation experiences in terms of procedures, and the impression about body appearance for relatives regardless of the type of donation, corneas or multiple tissues, were evaluated as good or very good for most of the TD relatives. Our study showed that 83% of the family members would agree to donate again; 40% of the relatives were surprised to be offered the option to donate; 10% did not know if they would donate again. Solidarity was the leading reason for TD. CONCLUSION: The relatives' perception of care is a critical component of the quality evaluation of the TD process. The global evaluation results support our strategies for family approach. PMID- 29198665 TI - Isolated Crystalloid Podocytopathy With Focal Segmental Glomerulosclerosis in Renal Allograft: An Unusual Presentation of Post-Transplant Monoclonal Gammopathy of Renal Significance-A Case Report. AB - BACKGROUND: Monoclonal gammopathy of renal significance denotes a spectrum of hematologic disorders that cause direct or indirect renal damage. CASE PRESENTATION: A 51-year-old man had received a living-donor kidney transplant from his wife in 2008. He had gradual increased proteinuria 4 years later. His renal biopsy results revealed cytoplasmic crystalloid inclusions in the podocytes. No crystalloid inclusion was found in other renal cells. Despite that immunofluorescent examination failed to show light-chain deposition, the serum immuno-electrophoresis revealed monoclonal immunoglobulin-Gkappa. Bone marrow biopsy showed interstitial infiltration of plasma cells of approximately 10%. A follow-up renal biopsy was performed in 2016. Light microscopy showed focal segmental glomerulosclerosis. The immunofluorescent examination remained negative for light chain, but kappa-light chain could be demonstrated after antigen retrieval. Similar to previous biopsy results, cytoplasmic inclusions were found only in podocytes without involving other renal cells. CONCLUSIONS: To the best of our knowledge, this is the first report of monoclonal gammopathy of renal significance presenting as isolated crystalloid podocytopathy in the allograft kidney. The mechanism of preferential podocyte deposition of crystalloid immunoglobulin remains unclear. The inherent features of crystalloid podocytopathy may mislead the pathologic diagnosis. PMID- 29198666 TI - The Pancreas Can Take the Cold: Lower Waitlist Times Through Importation. AB - BACKGROUND: Our center has used a strategy of pancreas importation owing to long regional waitlist times. Here we assess the clinical outcomes and financial considerations of this strategy. METHODS: This was a retrospective observational cohort study of patients who received a pancreas transplant at Montefiore Medical Center (MMC) from 2014 to 2017 (n = 28). Clinical parameters, including hemoglobin A1c and complications, were analyzed. The cohort was compared with United Network for Organ Sharing (UNOS) Region 9 with the use of the UNOS/Organ Procurement and Transplantation Network database. Cost analysis of length of stay (LOS), standard acquisition (SAC) fees, and transportation was performed with the use of internal financial data. RESULTS: Pancreas importation resulted in significantly shorter simultaneous pancreas kidney transplant waitlist times compared with Region 9: 518 days vs 1001 days (P = .038). In addition, postoperative complications and 1-year HbA1c did not differ between groups: local 6.30% vs import 6.17% (P = .87). Patients receiving local pancreata stayed an average of 9.2 days compared with 11 days for the import group (P = .36). As such, pancreas importation was associated with higher mean charges ($445,968) compared with local pancreas recipients ($325,470). CONCLUSIONS: Long waitlist times in Region 9 have encouraged our center's adoption of pancreas importation to address the needs of our patient population. This practice has resulted in a reduction of waitlist times by an average of 483 days. Understandably, centers have long been wary of importation owing to perceived risk in clinical outcomes. In our single-center experience, we have demonstrated equivalent postoperative glucose control and graft survival. Importantly, there does appear to be increased costs associated with importation, which are mainly driven by LOS. Curiously, importation from regions with lower SAC fees has the potential to offset costs related to transportation expenses. Notwithstanding these findings, pancreas importation does have the potential to lessen the financial societal burden through reduction in waitlist times. PMID- 29198667 TI - Donation After Circulatory Arrest in Pancreas Transplantation: A Report of 10 Cases. AB - INTRODUCTION: Transplantation of pancreas allografts procured from donation after circulatory death (DCD) remains uncommon. This study reviews a series of pancreas transplants at a single center to assess the donor and recipient characteristics for DCD pancreas transplant and to compare clinical outcomes. METHODS: DCD procurement was performed with a 5-minute wait time from pronouncement of death to first incision. In 2 patients, tissue plasminogen activator was infused as a thrombolytic during the donor flush. All kidney grafts were placed on pulsatile perfusion. RESULTS: There were 606 deceased donor pancreas transplants, 596 standard donors and 10 DCD donors. Of the 10 DCD transplants, 6 were simultaneous pancreas-kidney and 4 were pancreas transplant alone. The average time from incision to aortic cannulation was less than 3 minutes. The median total ischemia time for the DCD grafts was 5.4 hours, compared with 8.0 hours for standard donors (P = .15). Median length of hospital stay was 7 days for both groups, and there were no episode of acute cellular rejection in the first year post transplant for the DCD group (4.2 % for standard group, P = .65). There was no difference in early or late graft survival, with 100% graft survival in the DCD group up to 1 year post-transplant. Ten-year Kaplan-Meier analysis shows similar graft survival for the 2 groups (P = .92). CONCLUSIONS: These results support the routine use of carefully selected DCD pancreas donors. There were no differences in graft function, postoperative complications, and early and late graft survival. PMID- 29198668 TI - A Case of Successful Simultaneous Pancreas-Kidney Transplantation Using the Injured Pancreas Graft. AB - OBJECTIVE: Graft injuries sometimes occur and may cause complications such as the leakage of pancreatic secretions, which is often lethal. We report our experience of a case of successful simultaneous pancreas-kidney transplantation using injured pancreas graft. PATIENTS AND METHODS: The recipient was a 57-year-old woman with type 1 diabetes mellitus, and the donor was a 30-year-old man with a brain injury. In the donation, the pancreas parenchyma, splenic artery, and gastroduodenal artery were injured iatrogenically. We therefore reconstructed these arteries using vessel grafts and then performed simultaneous pancreas kidney transplantation. RESULTS: Five days after transplantation, we noted a high titer of amylase in the ascites; therefore, we performed an urgent laparotomy. The origin of the amylase was the injured pancreatic parenchyma, and continued washing and drainage were carried out. We reconstructed the duodenojejunostomy using the Roux-en-Y technique to separate the passage of food from the pancreas graft to prevent injury to other organs due to exposure to pancreatic secretions. Thereafter, we inserted a decompression tube into the anastomosis thorough the blind end of the jejunum. Finally, we inserted 3 drainage tubes for lavage. Following this procedure, the patient recovered gradually and no longer required hemodialysis and insulin therapy. She was discharged from our hospital 56 days after transplantation. CONCLUSION: The restoration of the injured graft was possible by management of pancreatic secretions and use of the donor's vessel grafts. Shortage of donors is a problem throughout the world; thus, it is important to use injured grafts for transplantation if possible. PMID- 29198669 TI - Broadened Allocation of Pancreas Transplants Across Compatible ABO Blood Types. AB - BACKGROUND: Current Organ Procurement and Transplantation Network (OPTN) policy restricts certain blood type-compatible simultaneous pancreas and kidney (SPK) transplants. Using the Kidney Pancreas Simulated Allocation Model, we examined the effects of 5 alternative allocation sequences that allowed all clinically compatible ABO transplants. METHODS: The study cohort included kidney (KI), SPK, and pancreas alone (PA) candidates waiting for transplant for at least 1 day between January 1, 2010, and December 31, 2010 (full cohort), and kidneys and pancreata recovered for transplant during the same period. Additionally, because the waiting list has shrunk since 2010, the study population was reduced by random sampling to match the volume of the 2015 waiting list (reduced cohort). RESULTS: Compared with the current allocation sequence, R4 and R5 both showed an increase in SPK transplants, a nearly corresponding decrease in KI transplants, and virtually no change in PA transplants. Life-years from transplant and median years of benefit also increased. The distribution of transplants by blood type changed, with more ABO:A, B, and AB transplants performed, and fewer ABO:O across all transplant types (KI, SPK, PA), with the relative percent changes largest for SPK. DISCUSSION: Broadened ABO compatibility allowances primarily benefitted SPK ABO:A and AB candidates. ABO:O candidates saw potentially reduced access to transplant. The simulation results suggest that modifying the current allocation sequence to incorporate broadened ABO compatibility can result in an increase in annual SPK transplants. PMID- 29198670 TI - Difficult Situation of Pancreas Transplantation in the Setting of Scarce Organ Donation. AB - BACKGROUND: Currently, pancreas transplantation has been a promising strategy to restore long-term normoglycemia as well as to improve life quality for patients with insulin-dependent diabetes mellitus (DM). However, the discrepancy between the number of organs needed and the number donated for transplantation is always enormous. Under a setting of scarce organ donations, we examined our limited experience of pancreas transplantation. METHODS: A retrospective review of pancreas transplantations was performed with the use of data from the Taiwan Organ Registry and Sharing Center and the Ministry of Health and Welfare. Pancreas transplantations in the Organ Transplantation Institute of Chang Gung Memorial Hospital also were reviewed. RESULTS: At present, there are 5 medical centers approved for pancreas transplantation in Taiwan. Overall, a total of 156 pancreas transplantations were performed from 2005 to the end of 2016; only 9 of them were performed in the Organ Transplantation Institute of Chang Gung Memorial Hospital. Although the number of organ donations is rising, pancreas transplantation numbers remain low. More than 20 pancreas transplantations were performed in 2016, yet there remained a total of 111 patients registered on the wait list for pancreas transplantation at the end of this study. Thus the gap between organ donation and transplantation is still vast. CONCLUSIONS: With continuing improvements in Taiwanese health policies and public education regarding organ transplantation, organ donation rates have risen steadily in recent years. Moreover, quality control and continuing evolution in organ transplantation is crucial to ameliorate the difficult situation of pancreas transplantation and other solid organ transplantation in the context of low levels of donation. PMID- 29198671 TI - Effect of Etanercept Concentration on Human Islet Integrity. AB - BACKGROUND: Etanercept is widely used as an antiinflammatory drug to improve engraftment after intraportal islet transplantation. In contrast to other immunosuppressive agents, very little is known about detrimental effects of etanercept on islets. The aim of this pilot study was to define the toxic range of etanercept. METHODS: Human islets isolated from 8 donors were cultured for 4-5 days at 37 degrees C in culture medium supplemented with etanercept at concentrations from 2.5 to 40 MUg/mL, corresponding to potential in vivo levels within the portal vein. After culture, islet equivalent (IEQ) yield, fragmentation index (islet number/IEQ), purity, viability, and stimulated insulin release (2 vs 20 mmol/L) were assessed and normalized to islets before culture. RESULTS: Yield (73 +/- 8%) and viability (91 +/- 4%) were highest with 5 MUg/mL etanercept. Islet loss was evident when etanercept was >=10 MUg/mL (55 +/- 7%; P < .05 vs control). Fragmentation (154 +/- 34%; P < .05) was markedly increased and viability (81 +/- 4%, P < .05) markedly decreased with etanercept >10 MUg/mL. The accumulation of cell debris at concentrations >=20 MUg/mL resulted in a significant reduction of islet purity (84 +/- 3%; P < .05). Etanercept did not interfere with stimulated insulin secretion at concentrations <=10 MUg/mL. The maximum stimulation index was noted at 2.5 MUg/mL (1.8 +/- 0.1). CONCLUSIONS: Etanercept is tolerated by isolated human islets at concentrations <10 MUg/mL. Our data suggest that the tight range between benefit and toxicity should be considered for dosage and administration of etanercept. PMID- 29198672 TI - Hypoxia-Induced Damage in Human Islets Is Reduced With the Use of Mesenchymal Stem Cell-Preconditioned Medium. AB - BACKGROUND: Mesenchymal stem cells (MSCs) are protective for islets when cotransplanted in a hypoxic environment. However, the risk of neoplasia is increased when MSCs are transplanted into immunosuppressed patients. This initial study aimed to investigate whether the production of protective factors from MSC can be stimulated by different culture conditions to benefit human islets cultured in hypoxia. METHODS: MSC were isolated from human adipose tissue and cultured for 2 days in supplemented Minimum Essential Media alpha (MEMalpha) and 21% (21%-MEMalpha) or 1% oxygen (1%-MEMalpha). Native MEMalpha served as control. After MSC harvesting, cell-depleted media were frozen at -20 degrees C until use for human islet culture in 2% oxygen for 72-96 hours before islet characterization. Data were normalized to control islets cultured in native MEMalpha and 2% oxygen (mean +/- SEM). RESULTS: After culture in 21%- or 1% MEMalpha, islet recovery increased to 117 +/- 12% (NS) and 138 +/- 12% (P < .05), respectively. Viability did not change after culture in native MEMalpha (59 +/- 2%), 21%-MEMalpha (59 +/- 3%), or 1%-MEMalpha (61 +/- 3%). Compared with control samples, the glucose stimulation index was increased after culture in 21% MEMalpha (P < .05) or 1%-MEMalpha (P < .05). Overall survival was higher in 1% MEMalpha (143 +/- 14%) than in 21%-MEMalpha (119 +/- 14%; NS) or native MEMalpha (P < .05). CONCLUSIONS: This study demonstrates that MSC-preconditioned MEMalpha increases survival and in vitro function of hypoxic human islets. These findings indicate that hypoxic MSCs seem to produce factors that improve survival of islets suffering from hypoxia. PMID- 29198673 TI - Pain Control, Glucose Control, and Quality of Life in Patients With Chronic Pancreatitis After Total Pancreatectomy With Islet Autotransplantation: A Preliminary Report. AB - BACKGROUND: Total pancreatectomy (TP) is offered as a last treatment option for pain relief in patients with chronic pancreatitis. Concurrent islets autotransplantation (TP-IAT) may improve glucose control. METHODS: We analyzed results in 20 recent patients who underwent TP-IAT at The University of Chicago. The median observation period was 28 months (2-38). Data were collected prospectively then analyzed retrospectively. RESULTS: The number of patients requiring opioids daily for pain control decreased from 16 (80%) prior to surgery to 2 (13%) 1 year after, with only 1 (6.5%) patient experiencing persistent phantom pancreatic pain. Opioid requirements decreased from a median 56.3 (0-240) morphine equivalent dose to 5 (0-130) on day 75 and to 0 (0-30) at 1-year follow up. Five patients (25%) completely stopped insulin support prior to day 75 while maintaining hemoglobin A1c of 5.9% (5-6.3). Eight (53%) patients were insulin free at 1 year with A1c of 6% (5.5-6.8) and a similar rate persisted in next 2 years. For the remaining patients, the more islet function that was preserved, the less insulin they required and A1c was closer to optimal. Quality of Life (QoL) measured by SF36 Physical (PCS) and Mental (MCS) Component Score improved on day 75 (P < .001) and maintained improvement later on. Both PCS and MCS improved regardless of whether patient requires insulin support or not. CONCLUSIONS: Improvements of QoL with pain resolution and good glucose control can be achieved after TP-IAT in properly selected patients with CP and intractable pain, regardless of patient insulin support status. PMID- 29198674 TI - External Validation of the Newly Developed BETA-2 Scoring System for Pancreatic Islet Graft Function Assessment. AB - BACKGROUND: BETA-2 score using a single fasting blood sample was developed to estimate beta-cell function after islet transplantation (ITx) and was validated internally by a high ITx volume center (Edmonton). The goal was to validate BETA 2 externally, in our center. METHODS: Areas under receiver operating characteristic curves (AUROCs) were obtained to see if beta score or BETA-2 would better detect insulin independence and glucose intolerance. RESULTS: We analyzed values from 48 mixed meal tolerance tests (MMTTs) in 4 ITx recipients with a long term follow-up to 140 months (LT group) and from 54 MMTTs in 13 short-term group patients (ST group). AUROC for no need for insulin support was 0.776 (95% confidence interval [CI] 0.539-1, P = .02) and 0.922 (95% CI 0.848-0.996, P < .001) for beta score and 0.79 (95% CI 0.596-0.983, P = .003) and 0.941 (95% CI 0.86-1, P < .001) for BETA-2, in LT and ST groups, respectively, and did not differ significantly. In LT group BETA-2 score >= 13.03 predicted no need for insulin supplementation with sensitivity of 98%, specificity of 50%, positive predictive value (PPV) of 93%, and negative predictive value (NPV) of 75%. In ST group the optimal cutoff was >=13.63 with sensitivity of 92% and specificity, PPV, and NPV 82% to 95%. For the detection of glucose intolerance BETA-2 cutoffs were <19.43 in LT group and <17.23 in ST group with sensitivity > 76% and specificity, PPV, and NPV > 80% in both groups. CONCLUSION: BETA-2 score was successfully validated externally and is a practical tool allowing for frequent and reliable assessments of islet graft function based on a single fasting blood sample. PMID- 29198675 TI - Retroperitoneal Pancreas Transplantation With the Use of Duodenal Drainage via "Button Technique": First Clinical Practice (Case Report). AB - The persistent relative high incidence of duodenum-associated surgical complications significantly reduces pancreas grafts' (PG) and recipients' survival rates. A 31-year-old female patient underwent retroperitoneal pancreas transplantation with the use of PG exocrine drainage into the recipient's duodenum via the "button technique" approach. An uncomplicated postoperative period with satisfactory function of both transplants (pancreas and kidney) was noted. This was the 1st time ever that the transplantation was performed with the use of retroperitoneal placement of the pancreas transplant and duodenal drainage via the "button technique" approach. It is possible that the absence of the duodenal stump in the donor's transplant has a number of benefits in the postoperative period, which can be confirmed during the follow-up observations. PMID- 29198676 TI - Case Report: Primary De Novo Sarcoma In Transplant Pancreas Allograft. AB - BACKGROUND: The majority of malignancies after transplantation appear to be virally mediated and of recipient origin. Donor-derived neoplasms occur early, whereas recipient-origin tumors typically occur many years after transplantation. Sarcomas are a relatively rare form of cancer. The etiology of sarcomas remains largely unknown, although some are linked to viruses, familial cancer syndromes, or therapeutic radiation exposure. Primary sarcomas are extremely rare, accounting for <0.1% of all native pancreatic malignancies. The involvement of the allograft itself in the tumor is rare. CASE REPORT: A 53-year-old white woman (body mass index, 20.1 kg/m2) with a history of type 1 diabetes, chronic kidney disease, coronary artery disease, dyslipidemia, and pancreas-alone transplantation in 2007 was admitted with small bowel obstruction secondary to a mass in the head of the pancreas allograft, for which a laparotomy with allograft pancreatectomy was required. Histopathologic exam revealed a stage III high-grade unclassified spindle cell sarcoma positive for polyomavirus. After surgery, the patient was managed with close monitoring for disease recurrence. Her most recent scan was negative for recurrence at postoperative day 489. CONCLUSIONS: We report a previously unreported phenomenon of a soft tissue sarcoma arising in a pancreas allograft, likely of recipient origin and polyomavirus related. Standard treatment for sarcoma is wide excision of the tumor and close monitoring for recurrence. Systemic chemotherapy or radiotherapy is usually limited to advanced cases. Sarcomas may occur in a pancreas allograft. Allograft pancreatectomy and monitoring for recurrence is vital for a good outcome. PMID- 29198677 TI - Single Donor-Derived Pseudomonas aeruginosa Pseudoaneurysms in Two Kidney Transplant Recipients: A Case Report of Dichotomous Allograft Outcomes. AB - Infectious pseudoaneurysm (IPA) is a rare but devastating complication following renal transplantation that typically leads to graft loss and occasionally patient death. IPAs following kidney transplantation are most often mycotic in etiology, but have been sporadically reported to result from Pseudomonas aeruginosa infection. These IPAs occur at various anatomic sites, most commonly at the vascular anastomosis or iliac artery, and very rarely in the transplanted renal artery or hilum. Here we report the occurrence of single donor-derived P aeruginosa IPAs in two kidney transplant recipients with divergent allograft outcomes. Both recipients manifested Pseudomonas infections and early, hemodynamically relevant postoperative hemorrhage as a result of pseudoaneurysm rupture. One recipient required allograft nephrectomy during emergent operative exploration due to rupture of a pseudoaneurysm at the vascular anastomosis. Conversely, the other recipient's allograft was salvaged by endovascular stenting of a pseudoaneurysm unusually located in the main donor renal artery. To the best of our knowledge, this is the first case of a ruptured IPA occurring in the transplanted renal artery with successful allograft salvage via endovascular technique. In this report, we discuss details of the two cases, relevant literature, and possible clinical implications. PMID- 29198678 TI - Successful Diagnosis of Intestinal Mycobacterium avium Complex Infection in a Kidney Transplant Recipient Using Nasogastric Aspirate Culture: A Case Report. AB - Intestinal Mycobacterium avium complex (MAC) infections are rare and can be challenging to diagnose. We describe a case of intestinal MAC infection in a kidney transplant recipient with 5 months of unexplained weight loss and abdominal pain who developed intestinal obstruction. Esophagoduodenoscopy with biopsies was performed but was nondiagnostic. Intestinal MAC was diagnosed via nasogastric aspirate culture results. The patient's symptoms rapidly improved after initiation of appropriate treatment, but he later died of aspiration pneumonia and candidemia. PMID- 29198679 TI - Treatment of a Pediatric Case of Severe Hemorrhagic Cystitis: Case Report and Review of Literature. AB - Hemorrhagic cystitis is one of the complications of allogeneic hematopoietic stem cell transplantation. Treatment of hemorrhagic cystitis is difficult, especially in pediatric patients. A pediatric case of severe hemorrhagic cystitis after hematopoietic stem cell transplantation was treated in our hospital with arterial embolization combined with corticosteroid therapy because the conventional therapy was invalid for him. After the treatment, hemorrhagic cystitis was cured. During follow-up, the patient was in stable condition, with normal urine, blood cells returned to normal, bone marrow was in complete remission state, and disease-free survival for more than 8 months. Selective bladder arterial embolism followed by corticosteroid therapy successfully treated the patient. PMID- 29198680 TI - Syndrome of Inappropriate Antidiuretic Hormone Secretion Complicating Systemic Nocardiosis in a Renal Transplant Recipient: A Case Report. AB - BACKGROUND: Infection by Nocardia species is an uncommon cause of severe clinical syndromes, particularly in immunocompromised patients, and solid-organ transplantation is the most common underlying condition. The syndrome of inappropriate antidiuretic hormone secretion (SIADH) has been described thus far in lung and stem cell transplants with systemic nocardiosis. CASE REPORT: We report the first case of SIADH in a female elderly renal transplant recipient diagnosed with systemic nocardiosis 2 years after transplantation. The SIADH was managed appropriately, and her immunosuppressive regimen remained unchanged but was adjusted at a lower level. The systemic Nocardia infection was successfully treated with intravenous administration of trimethoprim-sulfamethoxazole and imipenem for 2 weeks followed by oral trimethoprim-sulfamethoxazole for a total of 12 months. CONCLUSIONS: The SIADH syndrome is a recognizable complication of Nocardia infection in renal transplant recipients. Prompt identification along with proper management and prolonged antimicrobial treatment are essential to improve patients' outcome. PMID- 29198681 TI - Severe Hyperkalemia Complicating Voriconazole Treatment in a Kidney Transplant Recipient With Histoplasmosis: A Case Report. AB - Voriconazole is an antifungal agent that is commonly used in immunocompromised patients who develop fungal infections. We report a case of severe recurrent hyperkalemia that developed after starting voriconazole for the treatment of histoplasmosis in a kidney transplant patient who was maintained on tacrolimus based immunosuppression. Hyperkalemia developed despite reducing the tacrolimus dose to maintain levels in a low therapeutic range. Although interactions between azoles and calcineurin inhibitors are widely recognized, this is the 1st report describing new-onset hyperkalemia following initiation of voriconazole in a kidney transplant patient receiving tacrolimus. PMID- 29198682 TI - Case Report: Treatment of Renal Artery Aneurysms by Ex Vivo Renal Artery Aneurysm Repair and Transplantation. AB - BACKGROUND: Renal artery aneurysms are increasingly being detected incidentally during diagnostic imaging using magnetic resonance imaging, computed tomography, or angiography performed for evaluation of other diseases. Our understanding of their natural history and surgical management has evolved significantly during the past two decades. PATIENTS AND METHODS: Three patients with incidentally identified renal artery aneurysms have been referred to our renal transplantation program in the last 3 years. All three had aneurysms located at renal artery branches making endovascular repair challenging and thus underwent hand-assisted laparoscopic nephrectomy with ex vivo aneurysmectomy, with heterotopic autotransplantation in two cases and allotransplantation in the third case. RESULTS: All three cases resulted in successful renal artery aneurysm repair and reimplantation and good renal function of the implanted kidney. CONCLUSIONS: Laparoscopic nephrectomy with ex vivo aneurysm repair and reimplantation can be a successful approach to surgical management, especially in cases where the aneurysm involves multiple artery branches and endovascular repair is challenging. Given the excellent results with this surgical approach, living and deceased donor kidneys with aneurysms should be strongly encouraged if deemed reparable. PMID- 29198683 TI - Laparoscopic Fixation for Torsion of Transplanted Kidney: A Case Report. AB - BACKGROUND: Kidney graft torsion and subsequent acute kidney injury is a rare yet potentially devastating complication of intraperitoneal kidney transplant. We report a case of this elusive diagnosis and describe kidney salvage by using laparoscopic fixation. CASE REPORT: A 49-year-old male patient presented with multiple episodes of anuric acute kidney injury 16 months after an uneventful combined orthotopic liver and kidney transplantation. After a thorough investigation, a diagnosis of kidney torsion was made, and the patient was urgently operated. Upon surgery, a complete torsion of a viable kidney was found. Laparoscopic fixation was achieved by using an absorbable mesh "pocket." The patient has experienced no similar episodes in the subsequent year. CONCLUSIONS: Nephrologists and surgeons should be aware of this rare complication. Prompt diagnosis and operative repair are crucial to save the graft. Prophylactic nephropexy should be considered in all intraperitoneal transplantations. PMID- 29198684 TI - Nephrogenic Adenoma Complicating Renal Transplantation: A Case Report and Discussion. AB - Nephrogenic adenoma (NA) is a benign adenomatous lesion of the urinary tract. Long considered to be a rare phenomenon, case series from the renal transplant population suggest that it may be much more common within this group. Although NA is considered to be a lesion with low premalignant potential, hematuria, lower urinary tract symptoms, and recurrent urinary tract infections (UTIs) are frequently observed in the context of NA. Furthermore, after resection of NA, lesion recurrence and persistent symptoms are frequently observed. Here we present the case of a 69-year-old male renal transplant recipient with NA and associated recurrent UTIs despite cystoscopic resection of the primary lesion. This case is illustrative of the clinical impact of NA and the need for ongoing work into the development of strategies to manage this problematic phenomenon. PMID- 29198685 TI - Thin Glomerular Basement Membrane in a Kidney Transplant of an Alport's Syndrome Patient: A Case Report. AB - Alport syndrome (AS) and thin basement membrane lesions are caused by various mutations in type IV collagen genes. Although AS is considered a rare disease, thin basement membrane is a frequent pattern, especially in families with a history of persistent hematuria. We report a patient with a diagnosis of AS who developed end-stage kidney disease (ESKD) and received a kidney transplant from a living unrelated donor. The graft biopsy specimen surprisingly showed a pattern of thin basement membranes. PMID- 29198686 TI - Orthotopic Kidney Transplantation in an Elderly Patient With Various Severe Comorbid Conditions: A Case Report. AB - In recent years, the frequency of high-risk kidney transplantations has increased. We report a case in which a 72-year-old man with various severe comorbidities (prostate cancer, diabetes mellitus, complete atrioventricular block, coronary artery stenosis, severe stenosis of the popliteal arteries, and severe calcification of the iliac arteries) who received an orthotopic kidney transplantation. To prevent the occurrence of acute limb ischemia due to the steal phenomenon (caused by the kidney graft), we decided that a heterotopic kidney transplantation involving the iliac arteries was not an appropriate option. Therefore, as an alternative, left native nephrectomy was performed followed by an orthotopic kidney transplantation to the native renal artery and renal vein through a left subcostal incision. Postoperative ureteral stenosis occurred, and so stent exchange was required every 6 months. Despite the ureteral complication, the patient's serum creatinine level was 1.5 mg/dL at 2 years after the procedure. PMID- 29198687 TI - Takotsubo Cardiomyopathy Resulting in Cardiac Arrest in a Patient Undergoing Liver Transplantation. AB - Cardiac complications during and after liver transplantation are a common cause of death. Although considered to be uncommon, takotsubo cardiomyopathy, which is characterized by reversible left ventricular akinesis without coronary artery obstruction, is becoming increasingly reported. Herein we have presented a case of reversible stress-induced takotsubo cardiomyopathy resulting in cardiac arrest in a patient undergoing liver transplantation. PMID- 29198688 TI - Hanging Hepato-Atrial Anastomosis in Deceased-Donor Liver Transplantation for Budd-Chiari Syndrome With Extensive Vena Cava Obliteration: A Case Report. AB - INTRODUCTION: Although outcomes of liver transplantation (LT) have improved as the result of progress in surgical procedures, a failure to restore sufficient graft outflow may yield fatal consequences including graft dysfunction and even graft loss to date. In particular, patients with pre-existing obliterated venous drainage, such as those with Budd-Chiari syndrome (BCS), are at high risk of having venous complications followed by conventional LT. In selected cases, the transplant surgeons are compelled to modify the surgical procedures of LT from the conventional procedure. METHODS: We describe an LT performed in a BCS patient with complete inferior vena cava (IVC) obstruction. A procedure that we named "hanging hepato-atrial anastomosis" was performed, in which 2 major modifications were made. One modification was the dissection of the lower inlet of the right atrium by use of a trans-abdominal approach and hepato-atrial anastomosis. This was performed by exposing the thoracic IVC through a trans-abdominal approach. The other modification was the manufacture of a blind pouch from the graft's infra-hepatic IVC without anastomosis. RESULTS: Modifications were made possible as the result of meticulous examination of the patient's vascular anatomy before the operation. Fortunately, the patient had a heavy network of pre-vertebral veins that drained blood from the lower extremity and both kidneys to the azygos hemi-azygos veins. CONCLUSIONS: We learned that a meticulous assessment of vascular anatomy and complete understanding of hemodynamics are the keys to the successful LT for BCS in patients with extensive IVC abnormality. Thoracotomy may not be necessary to explore thoracic IVC when performing hepato-atrial anastomosis in LT for BCS. PMID- 29198689 TI - Utility of Tolvaptan in the Perioperative Management of Severe Hyponatremia During Liver Transplantation: A Case Report. AB - Severe hyponatremia can complicate the pretransplantation management of patients with decompensated cirrhosis while they await liver transplantation. Before the liver transplant, it is critical to correct severe hyponatremia to an appropriate level to reduce the risks of perioperative complications such as central pontine myelinolysis, cerebral edema, and seizures. Vasopressin receptor antagonists, and in particular tolvaptan, offer a therapeutic modality that can correct severe refractory hyponatremia in a timely and predictable manner before liver transplantation. In this case report, we describe a patient with decompensated cirrhosis and severe hyponatremia in whom administration of tolvaptan led to an optimal correction of preoperative severe hyponatremia and allowed for successful liver transplantation with no associated postoperative complications. In light of the increasing pretransplantation disease severity and higher risk of severe hyponatremia, the use of tolvaptan in the pretransplant period may gain increasing importance as a therapeutic intervention for maintaining peritransplant sodium homeostasis. PMID- 29198690 TI - Preexisting Cerebral Aspergillosis Successfully Treated After Liver Transplantation: A Case Report. AB - BACKGROUND: Invasive aspergillosis (IA) is a rare condition that generally affects immunosuppressed patients. The mortality of IA is known to be >90% in liver transplantation (LT) recipients; the lung is the most commonly affected organ, followed by the brain. There have been reports in the literature of cerebral aspergillosis (CA) in LT recipients. In all previous reports, CA developed after LT. We present the first case (to the best of our knowledge) of preexisting CA diagnosed and successfully treated after LT. CASE REPORT: A 59 year-old male patient underwent emergency deceased-donor LT for alcoholic liver cirrhosis. Preoperative imaging showed multiple lesions in both cerebral hemispheres, indicative of brain abscess or metastases. Before definitive diagnosis of the brain lesion, the deceased-donor LT was performed. On postoperative day 15, the patient developed a fever of 38.0 degrees C and drowsy mental status. Magnetic resonance imaging showed increased number and size of brain abscesses. Stereotactic brain abscess aspiration was performed, and pathologic findings revealed aspergillosis. Voriconazole was started immediately. The patient improved steadily and was discharged 1 month after initiation of voriconazole treatment. CONCLUSIONS: This case is the first report of preexisting CA treated successfully after LT. Voriconazole is a potent therapeutic agent of CA. When LT is performed with an undiagnosed brain lesion, aggressive diagnostic measures are necessary postoperatively. If CA is diagnosed, successful treatment may be possible with voriconazole. PMID- 29198691 TI - Successful Liver Transplantation From a Donor With a Continuous-Flow Left Ventricular Assist Device for 9 Months. AB - Organ donor criteria continue to be extended in an attempt to meet growing demands. Patients with continuous-flow left ventricular assist devices are one group of potential donors being considered. One concern with this group is the effect of continuous flow for a prolonged duration, as opposed to normal pulsatile flow, on end-organ function. We report the 1st case of a liver transplantation from a donor who had a continuous-flow left ventricular assist device for 9 months. The recipient was a 69-year-old woman with a history of cryptogenic cirrhosis and hepatocellular carcinoma. The transplantation was complicated by moderate acute cellular rejection as well as biliary obstruction requiring sphincterotomy and stent placement. After management of those complications, the patient's liver function tests returned to normal values and remained stable at her 6-month post-transplantation follow-up. This case shows that organ transplantation from a donor with a continuous-flow left ventricular assist device for a prolonged period can be performed successfully. PMID- 29198692 TI - Successful Recombinant Thrombomodulin Treatment for Thrombotic Microangiopathy After Liver Transplantation: A Case Report. AB - Transplant-associated thrombotic microangiopathy (TA-TMA) is a rare but severe complication after liver transplantation. In contrast to other thrombotic microangiopathies, treatment for TA-TMA has yet to be clarified. A 52-year-old male patient with liver cirrhosis due to hepatitis C underwent split liver transplantation from a deceased donor. His clinical course was without complication until 4 days after transplantation, when he experienced impaired consciousness, hemolytic anemia with fragmented erythrocytes, and marked thrombocytopenia. TA-TMA was diagnosed, and recombinant thrombomodulin was administered for 4 days. The patient's clinical symptoms and laboratory data rapidly improved. He has been followed up for 6 months and has not shown any complications. The pathogenesis of TA-TMA is endothelial damage in the vasculature. Recombinant thrombomodulin, an endothelial cell-protecting agent, is a promising new therapeutic choice for TA-TMA after liver transplantation. PMID- 29198693 TI - Impact of Ethylene Glycol Toxicity on Donor Organ Viability: A Case Report. AB - Using kidneys from deceased donors whose demise was secondary to ethylene glycol (EG) toxicity requires considerable thought and planning. The exact impact that kidneys from these donors could have is unclear. The shortage of viable organs and growing wait list mortality should lead us to consider these allografts as potential life-saving transplants. Because it is crucial for the transplant community to use every available allograft, we need to develop processes that optimize each possible scenario. This article is a discussion of the viability of kidneys from a donor with EG-induced brain death and a proposed algorithm for encouraging the use of renal allografts after EG toxicity. PMID- 29198694 TI - Reversible Cerebral Vasoconstriction Syndrome After Heart Transplantation: A Case Report. AB - BACKGROUND: Reversible cerebral vasoconstriction syndrome (RCVS) is a transient cerebrovascular disorder putatively caused by some immunosuppressive agents. CASE REPORT: We recently encountered a 47-year-old female patient diagnosed with dilated cardiomyopathy who developed RCVS after heart transplantation. A triple drug regimen consisting of tacrolimus, mycophenolate mofetil, and a corticosteroid was started after surgery. On postoperative day (POD) 11, the patient developed a severe headache, although computed tomography of the head demonstrated no signs of hemorrhage or infarction. At first, both a painkiller and migraine drugs were regularly administered to the patient. On POD 21, however, she developed an unbearable headache with a visual field defect and mild hemiparesis of the right hand. Magnetic resonance imaging (MRI) of the brain revealed a cerebral infarction in the left occipital lobe with diffuse vasoconstriction of both the middle and posterior cerebral arteries. A diagnosis of RCVS was made and tacrolimus, a drug suspected to cause RCVS, was discontinued. In its place, two doses of basiliximab followed by everolimus, both of which are alternatives for tacrolimus, were given. The corticosteroid dose was also increased. Furthermore, to release vasoconstriction, both verapamil and diltiazem were administered. On POD 27, cerebrovascular constrictions were shown to be relieved on brain MRI and the patient's neurological symptoms subsequently almost completely diminished. CONCLUSION: RCVS should always be considered as a cause of headache in heart transplant recipients because tacrolimus, an immunosuppressive agent, may trigger RCVS. This will allow rapid intervention that is essential for avoiding irreversible neurological deficits. PMID- 29198695 TI - "Snowmelt Sign" and "Corkscrew Microvessels" Predicting Epithelium Regeneration After Acute Rejection of Small-Bowel Transplantation: A Case Report. AB - Intestinal failure characterized by inadequate maintenance of nutrition via normal intestinal function comprises a group of disorders with many different causes. If parenteral nutrition dependency develops, which is associated with higher mortality and complications, it is considered for intestine transplantation. However, the graft failure rate is not low, and acute cellular rejection is one of the most important reasons for graft failure. As a result, early identification of rejection and timely modification of anti-rejection medications have been considered to be associated with better graft and patient survival rates. The diagnostic gold standard for rejection is mainly based on histology, but hours of delay by pathology may occur. Some researchers investigated the association of endoscopic images with graft rejection to provide timely diagnosis. In this study, we present the first case report with characteristic features under magnifying endoscopy with a narrow-band imaging system to predict epithelial regeneration and improvement of graft rejection in a patient with small-bowel transplantation. PMID- 29198696 TI - Erratum. PMID- 29198697 TI - Indurated Nodule on the Upper Lip. PMID- 29198698 TI - Successful Intravenous Immunoglobulin Treatment in Pediatric Severe DRESS Syndrome. AB - BACKGROUND: Drug reaction with eosinophilia and systemic symptoms (DRESS) is a rare, potentially life-threatening delayed drug-induced hypersensitivity reaction. The most frequently reported drugs causing DRESS are aromatic antiepileptic agents. Prompt withdrawal of the offending drug and administering systemic corticosteroids is the most widely accepted and used treatment. The treatment of severe DRESS not responsive to systemic corticosteroids is uncertain. OBJECTIVE: The objective of this study was to describe a case series of pediatric patients with DRESS who were treated successfully with intravenous immunoglobulins (IVIGs). METHODS: A retrospective review of all children hospitalized in a tertiary care children's hospital with severe DRESS syndrome who received IVIG in addition to offending drug withdrawal and systemic corticosteroids during 1999-2017 is performed. RESULTS: Seven severe DRESS patients (4 males, age: 9.5 +/- 5.7 years) are described. The offending drugs were antiepileptics in all but one case. Clinical findings included fever, rash, lymphadenopathy, dyspnea, anasarca, and hepatic involvement. After IVIG treatment (total dosage: 1-2 g/kg), fever resolved within a median time of 1 (range, 0-5) day, rash disappeared after 6.3 +/- 1.6 days, and liver enzymes substantially improved after 3.8 +/- 1.6 days. Patients were discharged 6.1 +/- 2.7 days after IVIG commencement. There was no mortality. CONCLUSION: The addition of IVIG in DRESS syndrome resistant to regular drug withdrawal and systemic corticosteroid therapy may hasten disease recovery. PMID- 29198699 TI - Activation of PKB/Akt and p44/42 by mechanical stretch utilizes desmosomal structures and the keratin filament. AB - BACKGROUND: Mechanical stress is an ubiquitous challenge of human cells with fundamental impact on cell physiology. Previous studies have shown that stretching promotes signalling cascades involved in proliferation and tissue enlargement. OBJECTIVE: The present study is dedicated to learn more about cellular structures contributing to perception and signal transmission of cell stretch. In particular, we hypothesized that desmosmal contacts and the adjacent keratin filament build an intercellular matrix providing information about the mechanical load. METHODS: Epidermal cells with different keratin equipment were seeded on flexible silicon dishes and stretched. As read out parameter the activation of PKB/Akt and p44/42 was monitored by Western blotting. Likewise desomosomal contacts were manipulated by depletion or addition of calcium. Moreover, desmoglein 3 and desmocollin 3 were blocked by either specific antibodies or siRNA. RESULTS: It was found that the omission of calcium from the medium, a necessary cofactor for desmosomal cadherins, inhibited stretch mediated activation of PKB/Akt and p44/42. The relevance of desmosomes in this context was further substantiated by experiments using a desmoglein 3 blocking antibody (AK23) and siRNA against desmocollin 3. Moreover, disruption of the keratin filament by sodium orthovanadate also abrogates PKB/Akt and p44/42 activation in response to stretch. Likewise, KEB-7 keratinocytes harbouring a mutation in the keratin 14 gene and genetically modified keratinocytes devoid of any keratin show an altered signalling after stretch indicating the relevance of the keratin filament in this context. CONCLUSION: Besides their important role in cell architecture our results identify desmosomes and keratins as mechanosensing structures. PMID- 29198700 TI - Probing transport of fosfomycin through substrate specific OprO and OprP from Pseudomonas aeruginosa. AB - Increasing antimicrobial drug resistance is a global threat especially with respect to Gram-negative bacteria. The low permeability of the bacterial outer cell wall has been identified as an important bottleneck that prevents a sufficient antibacterial effect to be achieved at low doses of the antibiotics. In particular, the outer membrane permeability for negatively charged molecules of the clinical important ESKAPE bacterium Pseudomonas aeruginosa is determined by the low conductance porins OprO and OprP Here we show that the alternative phosphonic-acid antibiotic fosfomycin is highly permeable through the OprO and OprP channels. For this, we applied an electrophysiological zero-current assay using concentration gradients of fosfomycin under tri-ionic conditions to quantify flux of fosfomycin through OprO and OprP. Our analyzes show that OprO, and to a lesser degree OprP, have unexpected very high permeability to fosfomycin, so the antibiotic should be a potentially excellent alternative choice for the control of Pseudomonas aeruginosa infections. PMID- 29198701 TI - Down-regulation of lncRNA MEG3 promotes hypoxia-induced human pulmonary artery smooth muscle cell proliferation and migration via repressing PTEN by sponging miR-21. AB - Hypoxia-induced pulmonary hypertension is a life-threatening disease arising from a progressive increase in pulmonary vascular resistance, irreversible pulmonary vascular remodeling and resulting in right ventricular failure. Recent studies suggested that pulmonary artery smooth muscle cell proliferation and migration played an important role in the pathogenesis of hypoxia-induced pulmonary hypertension. However, the mechanisms of hypoxia-induced pulmonary hypertension are complicated and largely unclear. In this study, we discovered that lncRNA MEG3 was down-regulated in human pulmonary artery smooth muscle cell in hypoxia, and inhibition of MEG3 promoted the cell proliferation and cell migration in both normal and hypoxia condition. Further study demonstrated that MEG3 exerted its function via regulation of miR-21 expression in both normal and hypoxia condition. In addition, we displayed the modulation of PTEN by miR-21 and their role in hypoxia. Ultimately, our study illustrated that MEG3 exerts its role via miR-21/PTEN axis in human pulmonary artery smooth muscle cell under both normal and hypoxia conditions. PMID- 29198702 TI - Hydrogen protects against hyperoxia-induced apoptosis in type II alveolar epithelial cells via activation of PI3K/Akt/Foxo3a signaling pathway. AB - Oxidative stress is regarded as a key regulator in the pathogenesis of prolonged hyperoxia-induced lung injury, which causes injury to alveolar epithelial cells and eventually leads to development of bronchopulmonary dysplasia (BPD). Many studies have shown that hydrogen has a protective effect in a variety of cells. However, the mechanisms by which hydrogen rescues cells from damage due to oxidative stress in BPD remains to be fully elucidated. This study sought to evaluate the effects of hydrogen on hyperoxia-induced lung injury and to investigate the underlying mechanism. Primary type II alveolar epithelial cells (AECIIs) were divided into four groups: control (21% oxygen), hyperoxia (95% oxygen), hyperoxia + hydrogen, and hyperoxia + hydrogen + LY294002 (a PI3K/Akt inhibitor). Proliferation and apoptosis of AECIIs were assessed using MTS assay and flow cytometry (FCM), respectively. Gene and protein expression were detected by quantitative polymerase chain reaction (q-PCR) and western blot analysis. Stimulation with hyperoxia decreased the expression of P-Akt, P- FoxO3a, cyclinD1 and Bcl-2. Hyperoxic conditions increased levels of Bim, Bax, and Foxo3a, which induced proliferation restriction and apoptosis of AECIIs. These effects of hyperoxia were reversed with hydrogen pretreatment. Furthermore, the protective effects of hydrogen were abrogated by PI3K/Akt inhibitor LY294002. The results indicate that hydrogen protects AECIIs from hyperoxia-induced apoptosis by inhibiting apoptosis factors and promoting the expression of anti-apoptosis factors. These effects were associated with activation of the PI3K/Akt/FoxO3a pathway. PMID- 29198703 TI - Impaired autophagy promotes bile acid-induced hepatic injury and accumulation of ubiquitinated proteins. AB - Chronic exposure to hydrophobic bile acids such as chenodeoxycholic acid (CDCA) and cholic acid (CA) in the liver during cholestasis causes hepatotoxicity and inflammatory response. However, the detailed mechanisms regarding the role of autophagy in cholestatic hepatotoxicity remain largely unknown. Here we determined autophagic clearance in livers of bile duct-ligated mice, in which bile acids accumulate, and in human hepatoma HepG2 cells treated with CDCA and CA. The accumulation of bile acids caused defective autophagic clearance, shown by the accumulation of insoluble p62 and ubiquitinated proteins and cell death accompanied by caspase-3 processing. Hepatocytes exposed to bile acids also showed the accumulation of autophagosomes via suppressed autophagy flux. Treatment of CDCA markedly suppressed Beclin-1 expression, which exhibits a higher cytotoxicity than CA. Moreover, pharmacological or genetic inhibition of autophagy enhanced bile acid-induced cell death. Finally, in vivo, bile duct ligation led to aberrant accumulation of p62 and ubiquitinated proteins in the liver. Our data demonstrate that inhibited autophagy is an essential component of liver injury during cholestasis. PMID- 29198704 TI - Ischemic flap survival improvement by composition-selective fat grafting with novel adipose tissue derived product - stromal vascular fraction gel. AB - BACKGROUND: Flap necrosis due to insufficient blood supply is a common postoperative complication in random pattern flaps. Stem cell therapies have emerged as promising biologics for tissue ischemia. A novel fat derived product, stromal vascular fraction gel (SVF-gel), can be prepared with lipoaspirate through simple mechanical processing, removing only the lipid content. SVF-gel enriches adipose-derived stem cells and potentially beneficial for flap necrosis. METHODS: Nude mice ischemic flaps were treated with human SVF-gel, stromal vascular fraction (SVF) cell suspension or saline (n = 10). They were injected to the flap recipient beds, and necrosis and vascularization was assessed on postoperative day 14. We harvested the necrosis-free distal to evaluated skin healthiness and neovasculogenesis by Masson's trichrome stain and immunofluorescence, etc. Pro-angiogenic factors were assessed with tissue qRT PCR. Finally, we traced the grafted human tissue with immunofluorescence. RESULTS: SVF-gel-treated flaps have the smallest necrotic zones (22.05% +/- 0.0438) compared with the saline controls (53.78% +/- 0.1412) or SVF-treated ones (35.54% +/- 0.0850, p = 0.039). Numerous functional musculocutaneous perforators were developed around SVF-gel grafts. The SVF-gel-treated skin had the best fat restoration (231.3 +/- 48.1 MUm) among three groups (F = 10.83, p = 0.0102) while saline-treated flap distal appeared fibrotic. SVF-gel-treated flaps also had ~43% more CD31 + capillaries (p = 0.0152) with ~3 folds more gene expression of angiogenic cytokines of VEGF and bFGF (p = 0.0310 and 0.0303, respectively) than saline-treated controls. Furthermore, we found hSVF-gel cells (hGolgi+) had directly engrafted as vessel component (alpha-smooth muscle actin, alpha-SMA+) to the flap. CONCLUSION: Adipose cellular matrix enhanced flap neovascularization partly by direct incorporation, improved flap survival and fat restoration. The composition-selective fat grafting with SVF-gel demonstrated efficacy comparable with stem cell therapy and is especially valuable for clinical translation. PMID- 29198705 TI - Tilapia and human CLIC2 structures are highly conserved. AB - Chloride intracellular channels (CLICs) exist in soluble and membrane bound forms. We have determined the crystal structure of soluble Clic2 from the euryhaline teleost fish Oreochromis mossambicus. Structural comparison of tilapia and human CLIC2 with other CLICs shows that these proteins are highly conserved. We have also compared the expression levels of clic2 in selected osmoregulatory organs of tilapia, acclimated to freshwater, seawater and hypersaline water. Structural conservation of vertebrate CLICs implies that they might play conserved roles. Also, tissue-specific responsiveness of clic2 suggests that it might be involved in iono-osmoregulation under extreme conditions in tilapia. PMID- 29198706 TI - Structural insight into the substrate specificity of acyl-CoA oxidase1 from Yarrowia lipolytica for short-chain dicarboxylyl-CoAs. AB - Acyl-CoA oxidase (ACOX) plays an important role in fatty acid degradation. The enzyme catalyzes the first reaction in peroxisomal fatty acid beta-oxidation by reducing acyl-CoA to 2-trans-enoyl-CoA. The yeast Yarrowia lipolytica is able to utilize fatty acids, fats, and oil as carbon sources to produce valuable bioproducts. We determined the crystal structure of ACOX1 from Y. lipolytica (YlACOX1) at a resolution of 2.5 A. YlACOX1 forms a homodimer, and the monomeric structure is composed of four domains, the Nalpha, Nbeta, Calpha1, and Calpha2. The FAD cofactor is bound at the dimerization interface between the Nbeta- and Calpha1-domains. The substrate-binding tunnel formed by the interface between the Nalpha-, Nbeta-, and Calpha1-domains is located proximal to FAD. Amino acid and structural comparisons of YlACOX1 with other ACOXs show that the substrate binding pocket of YlACOX1 is much smaller than that of the medium- or long-chain ACOXs but is rather similar to that of the short-chain ACOXs. Moreover, the hydrophilicity of residues constituting the end region of the substrate-binding pocket in YlACOX1 is quite similar to those in the short-chain ACOXs but different from those of the medium- or long-chain ACOXs. These observations provide structural insights how YlACOX1 prefers short-chain dicarboxylyl-CoAs as a substrate. PMID- 29198707 TI - Impaired vagus function in rats suppresses bile acid synthesis in the liver by disrupting tight junctions and activating Fxr-Fgf15 signaling in the intestine. AB - Bile acids (BAs) circulate between the liver and intestine, and regulate the homeostasis of glucose, lipid, and energy. Recent studies demonstrated an essential role of BAs in neurological diseases, suggesting an interaction between BAs and the nervous system. In the present study, we showed that impaired vagus function in rats induced by vagotomy resulted in an increase in bile flow without causing liver injury. The concentrations of unconjugated and glycine-conjugated BAs were increased in both serum and bile of rats after vagotomy, which was due to impaired tight junctions and thus increased passive absorption of BAs in the intestine. Vagotomy markedly suppressed the expression of the rate-limiting BA synthetic enzyme Cyp7a1, which was not due to activation of Fxr-Shp signaling in the liver, but due to activation of Fxr-Fgf15 signaling in the intestine. Furthermore, vagotomy produced a BA profile in the bile favorable for Fxr activation by decreasing tauro-beta-muricholic acid, a natural Fxr antagonist, and increasing glyco-chenodeoxycholic acid, a natural Fxr agonist. In summary, the present study provides the first comprehensive analysis of the critical role of the vagus nerve in regulating BA metabolism and signaling pathway. PMID- 29198708 TI - Knockdown of laminin alpha5 stimulates intestinal cell differentiation. AB - Interactions between cells and the extracellular matrix regulate a wide range of cell processes such as proliferation and differentiation. Laminins are major components of the basement membrane that actively participate in most biological functions via their interactions with a variety of specific cell receptors. The alpha5-containing laminins (LAMA5) are one of the three main types of laminins identified at the epithelial basal lamina in the adult intestine. The aim of the present study was to investigate the role of alpha5-containing laminins on intestinal cell proliferation and differentiation. Using an shRNA targeting approach, the effects of knocking down the expression of LAMA5 were investigated in the enterocytic-like Caco-2/15 cell line, a well-characterized model for intestinal cell differentiation. Surprisingly, the abolition of the laminin alpha5 chain resulted in a drastic increase in the differentiation marker sucrase isomaltase which was correctly expressed at the apical pole of the cells as observed by indirect immunofluorescence. Transient increases of dipeptidylpeptidase IV, villin, CDX2, HNF-1alpha, HNF-4alpha and transepithelial resistance as well as an apparent redistribution of the junctional components ZO 1 and E-cadherin were also observed at early stages of differentiation but no specific effect was observed on cell proliferation as evaluated by BrdU incorporation. Taken together, these data suggest that alpha5-containing laminins repress intestinal differentiation in its early stages. PMID- 29198709 TI - Cholesterol inhibits entotic cell-in-cell formation and actomyosin contraction. AB - Cell-in-cell structure is prevalent in human cancer, and associated with several specific pathophysiological phenomena. Although cell membrane adhesion molecules were found critical for cell-in-cell formation, the roles of other membrane components, such as lipids, remain to be explored. In this study, we attempted to investigate the effects of cholesterol and phospholipids on the formation of cell in-cell structures by utilizing liposome as a vector. We found that Lipofectamine 2000, the reagent commonly used for routine transfection, could significantly reduce entotic cell-in-cell formation in a cell-specific manner, which is correlated with suppressed actomyosin contraction as indicated by reduced beta actin expression and myosin light chain phosphorylation. The influence on cell-in cell formation was likely dictated by specific liposome components as some liposomes affected cell-in-cell formation while some others didn't. Screening on a limited number of lipids, the major components of liposome, identified phosphatidylethanolamine (PE), stearamide (SA), lysophosphatidic acid (LPA) and cholesterol (CHOL) as the inhibitors of cell-in-cell formation. Importantly, cholesterol treatment significantly inhibited myosin light chain phosphorylation, which resembles the effect of Lipofectamine-2000, suggesting cholesterol might be partially responsible for liposomes' effects on cell-in-cell formation. Together, our findings supporting a role of membrane lipids and cholesterol in cell-in-cell formation probably via regulating actomyosin contraction. PMID- 29198710 TI - The protective effect of orally administered redox nanoparticle on intestinal ischemia-reperfusion injury in mice. AB - BACKGROUND: Intestinal ischemia-reperfusion (I-R) injury is a serious abdominal condition leading to multiple organ failure with high mortality. However, no reliable treatment is available. A redox nanoparticle (RNPO) was recently developed, and its efficacy for several intestinal inflammatory conditions has been reported. To this end, the aim of this study was to investigate the therapeutic effects of RNPO on intestinal I-R injury in mice. METHODS: Ischemia was induced in the small intestine of C57BL/6 mice by occluding the superior mesenteric artery for 45 min under anesthesia followed by reperfusion for 4 h. Mice were orally administered the vehicle or RNPO 1 h before ischemia. Inflammatory markers such as histological findings, thiobarbituric acid (TBA) reactive substances as an index of lipid peroxidation, myeloperoxidase (MPO) activity as an index of neutrophil infiltration, and expression of pro inflammatory cytokine mRNA in the intestinal mucosa were assessed. RESULTS: Induction of I-R caused a significant increase in inflammatory markers (histological scores, TBA-reactive substances, MPO activity, and expression of keratinocyte chemoattractant mRNA). These changes were significantly attenuated in RNPO-treated mice as compared to vehicle-treated mice. CONCLUSION: Orally administered RNPO attenuated intestinal I-R injury in mice in association with reductions in neutrophil infiltration and lipid peroxidation, suggesting the possibly potential of RNPO as a therapeutic agent for intestinal I-R injury. PMID- 29198711 TI - Effects of connective tissue growth factor (CTGF/CCN2) on condylar chondrocyte proliferation, migration, maturation, differentiation and signalling pathway. AB - CCN2, also known as connective tissue growth factor (CTGF), is a 38 kDa cysteine rich extracellular matrix protein that regulates a sequence of cellular functions and participates in multiple complex biological processes, such as chondrogenesis and osteogenesis. In the present study, we provided the first evidence describing the physiological role of CCN2 in condylar chondrocyte proliferation, migration, maturation and differentiation. CCN2 was widely expressed throughout the whole layers of condylar cartilage and predominantly distributed in the proliferative zone. Recombinant CCN2 promoted the proliferation, migration, proteoglycan synthesis and differentiation capacity of isolated condylar chondrocytes. The stimulatory effect of CCN2 on chondrocyte proliferation was associated with the activation of phosphatidylinositol 3-kinase/Akt signalling pathway. The blocking of this pathway by its inhibitor LY294002 impaired the proliferative effect of CCN2 on chondrocytes. These results suggested a novel physiological role of CCN2 in the development of condylar cartilage. PMID- 29198712 TI - FBW7 targets KLF10 for ubiquitin-dependent degradation. AB - FBW7, a key component of SCFFBW7 E3 ubiquitin ligase, targets various proteins for degradation via the conserved Cdc4 phosphodegron (CPD) in substrates. In this study, we report that KLF10 is degraded by FBW7 via a conserved CPD. Through systematic analysis of the degradation of KLF transcription factors by FBW7, we identified KLF10 as a novel degradation target of FBW7. Ectopic expression of FBW7 markedly promoted the degradation of KLF10 while knockdown of endogenous FBW7 increased the protein levels of KLF10. In addition, simultaneous mutations of both threonine 82 (T82) and serine 86 (S86) significantly reduced the FBW7 mediated KLF10 degradation. Moreover, KLF10 containing a conserved putative CPD (TPPXSP) from amino acids 82 to 87, directly interacted with WD40 domain of FBW7 in a phosphorylation-dependent manner. Importantly, FBW7 could reverse the KLF10 mediated inhibition of Smad7 activity. Thus, our study uncovers a novel regulatory mechanism underlying which KLF10 stability and its biological function are mediated by FBW7. PMID- 29198713 TI - Long-term immunological effects of Japanese cedar pollen-based subcutaneous immunotherapy. PMID- 29198714 TI - Chertsey Outcome Score for Trauma: Development and validation of a new unifying patient reported outcome measure for orthopaedic trauma. AB - PURPOSE: Lately there is an increasing tendency of using Patient Reported Outcome Measures (PROMs) as a final indicator of the outcome of many surgical treatments in orthopaedics and in other medical specialties. Currently there are many outcome scores in orthopaedics and most of them are site specific. In the contrary there is a lack of trauma specific outcome scores. METHODS: We have designed a new PROM especially for orthopaedic trauma patients, in order to measure in what extent the patients manage to return to their pre-injury state. This score uses as baseline the pre-injury status of the patient and has the aim to determine the percentage of rehabilitation after treatment for any injury. RESULTS: A total of 60 Chertsey Outcome Score for Trauma (COST) questionnaires were gathered in our outpatients department. The participants were 57% male (aged 46.81 years +/- 18.5 years) and the questionnaires collected at mean 10 months post-injury. A Cronbach's Alpha value of 0.89 was identified for the whole construct. The three dimensions of the scale had good internal consistency as well (Cronbach's Alpha test values 0.74, 0.84 and 0.81 for symptoms, function and mental status respectively). Strong/moderate correlation (Spearman's Rho test 0.43-0.65) was observed between the respective physical/mental dimensions of the COST and SF-12v2 questionnaires. CONCLUSION: There is a need among the orthopaedic trauma society for a specific PROM of trauma. COST is a useful and easy to use tool for every trauma surgeon. PMID- 29198715 TI - Predicting mortality, hospital length of stay and need for surgery in pediatric trauma patients. AB - PURPOSE: Pediatric trauma is one of the major health problems around the world which threats the life of children. The survival of injured children depends upon appropriate care, accurate triage and effective emergent surgery. The objective of this study was to determine the predictive values of injury severity score (ISS), new injury severity score (NISS) and revised trauma score (RTS) on children's mortality, hospitalization and need for surgery. METHODS: In this study, records of trauma patients under 15 years old transported from a trauma scene to emergency department of Poursina hospital from 2010 to 2011 were included. Statistical analysis was applied to determine the ISS, NISS and RTS ability in predicting the outcomes of interest. RESULTS: There were 588 records in hospital registry system. The mean age of the patients was (7.3 +/- 3.8) years, and 62.1% (n = 365) of patients were male. RTS was the more ability score to predict mortality with an area under curve (AUC) of 0.99 (95% CI, 0.99-1). In the hospital length of stay (LOS), ISS was best predictor for both the hospital LOS with AUC of 0.72 (95% CI, 0.67-0.76) and need for surgical surgery with AUC of 0.94 (95% CI, 0.90-0.98). CONCLUSION: RTS as a physiological scoring system has a higher predicting AUC value in predicting mortality. The anatomic scoring systems of ISS and NISS have good performance in predicting of hospital LOS and need for surgery outcomes. PMID- 29198716 TI - Non-anatomic fixation for longstanding traumatic pubic diastasis using a bone graft: A report of two cases. AB - The incidence of internal fixation failure of symphysis diastasis varies from 6% to 75%. Hardware breakage or migration and symphysis disruption recurrence are often asymptomatic and only in a few cases reoperation is required. This report describes the managements of two cases after failed internal fixation and neglected traumatic symphysis diastasis when it was technically impossible to achieve anatomical reduction of the anterior pelvic ring. Internal fixation and a bone graft for the symphysis without anatomical reposition were performed. Both of the patients achieved good results and had no complaints of pain during daily activities. Restoration of the anatomy should not be the aim in treating recurrence of the symphysis diastasis after failed fixation. The aim of the surgery was static fixation of the anterior pelvic ring with bone grafting. PMID- 29198717 TI - Seatbelt paths of the pregnant women sitting in the rear seat of a motor vehicle. AB - PURPOSE: Seatbelt use during pregnancy is important to improve maternal and fetal survival after motor vehicle collisions. However, because the rear seatbelt of a motor vehicle tends to make contact with the neck, even if it is adequately used, some pregnant women sitting in the rear seat opt not to fasten the belt. The purpose of this study is to explore seatbelt-neck contact for pregnant women sitting in the rear seat of a motor vehicle. METHODS: We carried out an anthropometric study. Japanese women who were >=30 weeks pregnant (n = 12) sat in the left side of the rear seat of a typical mid-size passenger sedan and fastened the seatbelt. Seating posture was investigated by measuring the coordinates of the anthropometric data points of the pregnant women (head, shoulder, hip joint, and knee joint). The belt path was analyzed by measuring the clearance between the belt and the sternum or navel. RESULTS: Among the 12 pregnant women at 33.9 week +/- 3.3 week gestation, the shoulder belt deviated to the right side and subsequently contacted to the neck in four pregnant women (Contact group). The height of the Contact group was significantly shorter than that of Non-contact group (152.3 cm +/- 3.0 cm vs. 159.0 cm +/- 3.3 cm, p = 0.008). Regarding the relative position of the seatbelt to the subject's body, the distances from the top of the sternum to the center of the shoulder belt were significantly shorter in Contact group (3.9 cm +/- 3.5 cm) than that in the Non-contact group (8.0 cm +/- 1.6 cm, p = 0.03). However, no significant difference was found for the distance from the umbilicus to the center of the lap belt. CONCLUSION: Our findings show that because of short height and late term of pregnancy with protrusion of the abdomen, the shoulder belt deviates to the right or left, avoiding the protruded uterus, and subsequently makes contact with the neck. Seatbelt systems for rear seats need to be developed to improve passenger safety, especially for pregnant women. PMID- 29198718 TI - Quadratus femoris muscle pedicle bone flap transplantation in the treatment of femoral neck fracture for Chinese young and middle-aged patients: A systematic review and meta-analysis. AB - PURPOSE: To compare the efficacy of quadratus femoris muscle pedicle bone flap transplantation combined with hollow compression screw fixation versus AO hollow compression screw fixation in the treatment of femoral neck fracture for Chinese young and middle-aged patients. METHODS: Case-controlled studies (CCTs) were used to compare the two operative methods in the treatment of femoral neck fractures. Data were retrieved from the Cochrane Library, Pubmed Database, CNKI, Chinese Biomedical Database. Wanfang Data published during the period of January 2005 to December 2014. Methodological quality of the trials was critically assessed, and relevant data were extracted. Statistical Software Revman 5.0 was used for data analysis. RESULTS: Eight articles were included in the meta-analysis. The results showed that there was statistical significance in the rate of fracture healing [OR = 5.43, 95% CI (2.89, 10.20), p < 0.05], the rate of good function of hip joint [OR = 5.12, 95% CI (3.21, 8.17), p < 0.05], the rate of femoral head necrosis [OR = 4.21, 95% CI (2.02, 8.76), p < 0.05], the time of fracture healing [WMD = -46.85, 95% CI (-65.13, -28.56), p < 0.05] between the two groups. CONCLUSIONS: For the treatment of femoral neck fractures, the transplantation of quadratus femoris muscle pedicle bone flap combined with hollow compression screw; fixation is superior to the AO hollow compression screw fixation in terms of the rate; of fracture healing, the rate of good function of hip joint, the rate of femoral head; necrosis and the time of fracture healing. PMID- 29198720 TI - Mutations in TUBB4B Cause a Distinctive Sensorineural Disease. AB - Leber congenital amaurosis (LCA) is a neurodegenerative disease of photoreceptor cells that causes blindness within the first year of life. It occasionally occurs in syndromic metabolic diseases and plurisystemic ciliopathies. Using exome sequencing in a multiplex family and three simplex case subjects with an atypical association of LCA with early-onset hearing loss, we identified two heterozygous mutations affecting Arg391 in beta-tubulin 4B isotype-encoding (TUBB4B). Inspection of the atomic structure of the microtubule (MT) protofilament reveals that the beta-tubulin Arg391 residue contributes to a binding pocket that interacts with alpha-tubulin contained in the longitudinally adjacent alphabeta heterodimer, consistent with a role in maintaining MT stability. Functional analysis in cultured cells overexpressing FLAG-tagged wild-type or mutant TUBB4B as well as in primary skin-derived fibroblasts showed that the mutant TUBB4B is able to fold, form alphabeta-heterodimers, and co-assemble into the endogenous MT lattice. However, the dynamics of growing MTs were consistently altered, showing that the mutations have a significant dampening impact on normal MT growth. Our findings provide a link between sensorineural disease and anomalies in MT behavior and describe a syndromic LCA unrelated to ciliary dysfunction. PMID- 29198721 TI - A Selection Operator for Summary Association Statistics Reveals Allelic Heterogeneity of Complex Traits. AB - In recent years, as a secondary analysis in genome-wide association studies (GWASs), conditional and joint multiple-SNP analysis (GCTA-COJO) has been successful in allowing the discovery of additional association signals within detected loci. This suggests that many loci mapped in GWASs harbor more than a single causal variant. In order to interpret the underlying mechanism regulating a complex trait of interest in each discovered locus, researchers must assess the magnitude of allelic heterogeneity within the locus. We developed a penalized selection operator for jointly analyzing multiple variants (SOJO) within each mapped locus on the basis of LASSO (least absolute shrinkage and selection operator) regression derived from summary association statistics. We found that, compared to stepwise conditional multiple-SNP analysis, SOJO provided better sensitivity and specificity in predicting the number of alleles associated with complex traits in each locus. SOJO suggested causal variants potentially missed by GCTA-COJO. Compared to using top variants from genome-wide significant loci in GWAS, using SOJO increased the proportion of variance prediction for height by 65% without additional discovery samples or additional loci in the genome. Our empirical results indicate that human height is not only a highly polygenic trait, but also has high allelic heterogeneity within its established hundreds of loci. PMID- 29198719 TI - Multiethnic GWAS Reveals Polygenic Architecture of Earlobe Attachment. AB - The genetic basis of earlobe attachment has been a matter of debate since the early 20th century, such that geneticists argue both for and against polygenic inheritance. Recent genetic studies have identified a few loci associated with the trait, but large-scale analyses are still lacking. Here, we performed a genome-wide association study of lobe attachment in a multiethnic sample of 74,660 individuals from four cohorts (three with the trait scored by an expert rater and one with the trait self-reported). Meta-analysis of the three expert rater-scored cohorts revealed six associated loci harboring numerous candidate genes, including EDAR, SP5, MRPS22, ADGRG6 (GPR126), KIAA1217, and PAX9. The large self-reported 23andMe cohort recapitulated each of these six loci. Moreover, meta-analysis across all four cohorts revealed a total of 49 significant (p < 5 * 10-8) loci. Annotation and enrichment analyses of these 49 loci showed strong evidence of genes involved in ear development and syndromes with auricular phenotypes. RNA sequencing data from both human fetal ear and mouse second branchial arch tissue confirmed that genes located among associated loci showed evidence of expression. These results provide strong evidence for the polygenic nature of earlobe attachment and offer insights into the biological basis of normal and abnormal ear development. PMID- 29198722 TI - A Recurrent De Novo Nonsense Variant in ZSWIM6 Results in Severe Intellectual Disability without Frontonasal or Limb Malformations. AB - A recurrent de novo missense variant within the C-terminal Sin3-like domain of ZSWIM6 was previously reported to cause acromelic frontonasal dysostosis (AFND), an autosomal-dominant severe frontonasal and limb malformation syndrome, associated with neurocognitive and motor delay, via a proposed gain-of-function effect. We present detailed phenotypic information on seven unrelated individuals with a recurrent de novo nonsense variant (c.2737C>T [p.Arg913Ter]) in the penultimate exon of ZSWIM6 who have severe-profound intellectual disability and additional central and peripheral nervous system symptoms but an absence of frontonasal or limb malformations. We show that the c.2737C>T variant does not trigger nonsense-mediated decay of the ZSWIM6 mRNA in affected individual-derived cells. This finding supports the existence of a truncated ZSWIM6 protein lacking the Sin3-like domain, which could have a dominant-negative effect. This study builds support for a key role for ZSWIM6 in neuronal development and function, in addition to its putative roles in limb and craniofacial development, and provides a striking example of different variants in the same gene leading to distinct phenotypes. PMID- 29198724 TI - Monoallelic BMP2 Variants Predicted to Result in Haploinsufficiency Cause Craniofacial, Skeletal, and Cardiac Features Overlapping Those of 20p12 Deletions. AB - Bone morphogenetic protein 2 (BMP2) in chromosomal region 20p12 belongs to a gene superfamily encoding TGF-beta-signaling proteins involved in bone and cartilage biology. Monoallelic deletions of 20p12 are variably associated with cleft palate, short stature, and developmental delay. Here, we report a cranioskeletal phenotype due to monoallelic truncating and frameshift BMP2 variants and deletions in 12 individuals from eight unrelated families that share features of short stature, a recognizable craniofacial gestalt, skeletal anomalies, and congenital heart disease. De novo occurrence and autosomal-dominant inheritance of variants, including paternal mosaicism in two affected sisters who inherited a BMP2 splice-altering variant, were observed across all reported families. Additionally, we observed similarity to the human phenotype of short stature and skeletal anomalies in a heterozygous Bmp2-knockout mouse model, suggesting that haploinsufficiency of BMP2 could be the primary phenotypic determinant in individuals with predicted truncating variants and deletions encompassing BMP2. These findings demonstrate the important role of BMP2 in human craniofacial, skeletal, and cardiac development and confirm that individuals heterozygous for BMP2 truncating sequence variants or deletions display a consistent distinct phenotype characterized by short stature and skeletal and cardiac anomalies without neurological deficits. PMID- 29198726 TI - Neopterin preconditioning prevents inflammasome activation in mammalian astrocytes. AB - Neopterin, a well-established biomarker for immune system activation, is found at increased levels in the cerebrospinal fluid of individuals affected by neurological/neurodegenerative diseases. Here, neopterin synthesis was investigated in different nerve cells (rodent and human) and in the mouse hippocampus under inflammatory stimuli. We also aimed to investigate whether neopterin preconditioning could modulate the inflammasome activation, a component of the innate immune system. Increased neopterin was detected in human nerve cells supernatants (highest secretion in astrocytes) exposed to lipopolysaccharide (LPS) and interferon-gamma (INF-gamma) and in the hippocampus of mice receiving LPS (0.33mg/kg; intraperitoneal). In parallel to the hippocampal-increased neopterin, it was observed a significant increase in the expression of the rate-limiting enzyme of its biosynthetic pathway, and both phenomena occurred before the inflammasome activation. Moreover, a significant inhibition of the inflammasome activation was observed in neopterin pre conditioned human astrocytes, when challenged with LPS, by reducing IL-1beta, caspase-1 and ASC expression or content, components of the NLRP3 inflammasome. Mechanistically, neopterin might induce eletrophilic stress and consequently the nuclear translocation of the transcription factor Nrf-2, and the anti inflammatory cytokines IL-10 and IL-1ra release, which would induce the inhibition of the inflammasome activation. Altogether, this strongly suggests an essential role of neopterin during inflammatory processes. PMID- 29198723 TI - DNA Methylation Analysis Identifies Loci for Blood Pressure Regulation. AB - Genome-wide association studies have identified hundreds of genetic variants associated with blood pressure (BP), but sequence variation accounts for a small fraction of the phenotypic variance. Epigenetic changes may alter the expression of genes involved in BP regulation and explain part of the missing heritability. We therefore conducted a two-stage meta-analysis of the cross-sectional associations of systolic and diastolic BP with blood-derived genome-wide DNA methylation measured on the Infinium HumanMethylation450 BeadChip in 17,010 individuals of European, African American, and Hispanic ancestry. Of 31 discovery stage cytosine-phosphate-guanine (CpG) dinucleotides, 13 replicated after Bonferroni correction (discovery: N = 9,828, p < 1.0 * 10-7; replication: N = 7,182, p < 1.6 * 10-3). The replicated methylation sites are heritable (h2 > 30%) and independent of known BP genetic variants, explaining an additional 1.4% and 2.0% of the interindividual variation in systolic and diastolic BP, respectively. Bidirectional Mendelian randomization among up to 4,513 individuals of European ancestry from 4 cohorts suggested that methylation at cg08035323 (TAF1B-YWHAQ) influences BP, while BP influences methylation at cg00533891 (ZMIZ1), cg00574958 (CPT1A), and cg02711608 (SLC1A5). Gene expression analyses further identified six genes (TSPAN2, SLC7A11, UNC93B1, CPT1A, PTMS, and LPCAT3) with evidence of triangular associations between methylation, gene expression, and BP. Additional integrative Mendelian randomization analyses of gene expression and DNA methylation suggested that the expression of TSPAN2 is a putative mediator of association between DNA methylation at cg23999170 and BP. These findings suggest that heritable DNA methylation plays a role in regulating BP independently of previously known genetic variants. PMID- 29198725 TI - Circadian clock-mediated regulation of blood pressure. AB - Most bodily functions vary over the course of a 24h day. Circadian rhythms in body temperature, sleep-wake cycles, metabolism, and blood pressure (BP) are just a few examples. These circadian rhythms are controlled by the central clock in the suprachiasmatic nucleus (SCN) of the hypothalamus and peripheral clocks located throughout the body. Light and food cues entrain these clocks to the time of day and this synchronicity contributes to the regulation of a variety of physiological processes with effects on overall health. The kidney, brain, nervous system, vasculature, and heart have been identified through the use of mouse models and clinical trials as peripheral clock regulators of BP. The dysregulation of this circadian pattern of BP, with or without hypertension, is associated with increased risk for cardiovascular disease. The mechanism of this dysregulation is unknown and is a growing area of research. In this review, we highlight research of human and mouse circadian models that has provided insight into the roles of these molecular clocks and their effects on physiological functions. Additional tissue-specific studies of the molecular clock mechanism are needed, as well as clinical studies including more diverse populations (different races, female patients, etc.), which will be critical to fully understand the mechanism of circadian regulation of BP. Understanding how these molecular clocks regulate the circadian rhythm of BP is critical in the treatment of circadian BP dysregulation and hypertension. PMID- 29198727 TI - Neuroprotection afforded by circadian regulation of intracellular glutathione levels: A key role for miRNAs. AB - Circadian rhythms are approximately 24-h oscillations of physiological and behavioral processes that allow us to adapt to daily environmental cycles. Like many other biological functions, cellular redox status and antioxidative defense systems display circadian rhythmicity. In the central nervous system (CNS), glutathione (GSH) is a critical antioxidant because the CNS is extremely vulnerable to oxidative stress; oxidative stress, in turn, causes several fatal diseases, including neurodegenerative diseases. It has long been known that GSH level shows circadian rhythm, although the mechanism underlying GSH rhythm production has not been well-studied. Several lines of recent evidence indicate that the expression of antioxidant genes involved in GSH homeostasis as well as circadian clock genes are regulated by post-transcriptional regulator microRNA (miRNA), indicating that miRNA plays a key role in generating GSH rhythm. Interestingly, several reports have shown that alterations of miRNA expression as well as circadian rhythm have been known to link with various diseases related to oxidative stress. A growing body of evidence implicates a strong correlation between antioxidative defense, circadian rhythm and miRNA function, therefore, their dysfunctions could cause numerous diseases. It is hoped that continued elucidation of the antioxidative defense systems controlled by novel miRNA regulation under circadian control will advance the development of therapeutics for the diseases caused by oxidative stress. PMID- 29198728 TI - Flumioxazin metabolism in pregnant animals and cell-based protoporphyrinogen IX oxidase (PPO) inhibition assay of fetal metabolites in various animal species to elucidate the mechanism of the rat-specific developmental toxicity. AB - Flumioxazin, an N-phenylimide herbicide, inhibits protoporphyrinogen oxidase (PPO), a key enzyme in heme biosynthesis in mammals, and causes rat-specific developmental toxicity. The mechanism has mainly been clarified, but no research has yet focused on the contribution of its metabolites. We therefore conducted in vivo metabolism studies in pregnant rats and rabbits, and found 6 major known metabolites in excreta. There was no major rat-specific metabolite. The most abundant component in rat fetuses was APF, followed by flumioxazin and 5 identified metabolites. The concentrations of flumioxazin and these metabolites in fetuses were lower in rabbits than in rats. In vitro PPO inhibition assays with rat and human liver mitochondria showed that flumioxazin is a more potent PPO inhibitor than the metabolites. There were no species differences in relative intensity of PPO inhibition among flumioxazin and these metabolites. Based on the results of these in vivo and in vitro experiments, we concluded that flumioxazin is the causal substance of the rat-specific developmental toxicity. As a more reliable test system for research on in vitro PPO inhibition, cell-based assays with rat, rabbit, monkey, and human hepatocytes were performed. The results were consistent with those of the mitochondrial assays, and rats were more sensitive to PPO inhibition by flumioxazin than humans, while rabbits and monkeys were almost insensitive. From these results, the species difference in the developmental toxicity was concluded to be due to the difference in sensitivity of PPO to flumioxazin, and rats were confirmed to be the most sensitive of these species. PMID- 29198729 TI - Study design and protocol for My Guide: An e-health intervention to improve patient-centered outcomes among Hispanic breast cancer survivors. AB - Breast cancer is the most commonly diagnosed non-skin cancer in women and the leading cause of death among Hispanic women living in the United States. Relative to non-Hispanic white women, Hispanic women report poorer health related quality of life (HRQoL) after treatment. Although eHealth interventions delivered via Smartphones are a viable approach to addressing supportive care accessibility issues while also integrating multidisciplinary approaches for improving HRQoL, few eHealth interventions have been developed that specifically target Hispanic breast cancer survivors (BCS). This manuscript describes the methodology of a multi-site, randomized controlled behavioral trial investigating the feasibility and preliminary efficacy of a Smartphone application aimed at improving HRQoL and cancer-specific distress among Hispanic BCS. Participants will be randomized to receive the intervention application, My Guide (psychoeducation & self-management program), or the health education control condition application, My Health (health education), for six weeks. All participants will also receive weekly telecoaching to enhance adherence to both control and intervention conditions. We will measure the study's primary outcomes, general and disease-specific HRQoL and cancer-specific distress, at three time points: prior to, immediately after the intervention, and eight weeks after initial application use. My Guide may have the potential to improve HRQoL, and to address issues of limited access to supportive care among Hispanic women recovering from breast cancer treatment. PMID- 29198731 TI - Discontinuing a non-steroidal anti-inflammatory drug (NSAID) in patients with knee osteoarthritis: Design and protocol of a placebo-controlled, noninferiority, randomized withdrawal trial. AB - BACKGROUND: Knee osteoarthritis (OA) is the most common cause of knee pain in older adults. Despite the limited data supporting their use, non-steroidal anti inflammatory drugs (NSAID) are among the most commonly prescribed medications for knee OA. The use of NSAIDs for knee pain warrants careful examination because of toxicity associated with this class of medications. METHODS: We describe the design of a placebo-controlled, noninferiority, randomized withdrawal trial to examine discontinuation of an NSAID in patients with painful knee OA. Participants will be veterans enrolled in the VA Healthcare System with knee OA pain despite NSAID use and/or relatively higher risk of NSAID toxicity. After a two-week run-in period where eligible subjects will replace their current NSAID with the study NSAID (meloxicam), those remaining eligible (target N=544) will be randomized to receive four weeks of either placebo or continued meloxicam. The primary outcome is knee pain (Western Ontario and McMaster Universities Osteoarthritis Index pain subscale, range 0-20) at four weeks post-randomization. The primary hypothesis is that placebo will be noninferior to (that is, not much worse than) meloxicam within a noninferiority margin of 1. Secondary outcomes include lower extremity disability, global impression of change, adherence to study medication and use of co-therapies. DISCUSSION: This study is the first clinical trial to date examining the effects of withdrawing an NSAID for OA knee pain. If successful, this trial will provide evidence against the continued use of NSAIDs in patients with OA knee pain. TRIAL REGISTRATION: ClinicalTrials.gov: NCT01799213. Registered February 22, 2013. PMID- 29198730 TI - Designing a randomized controlled trial to evaluate a community-based narrative intervention for improving colorectal cancer screening for African Americans. AB - OBJECTIVE: To describe the methodology of a 2-arm randomized controlled trial that compared the effects of a narrative and didactic version of the Witness CARES (Community Awareness, Reach, & Empowerment for Screening) intervention on colorectal cancer screening behavior among African Americans, as well as the cognitive and affective determinants of screening. METHODS: Witness CARES targeted cognitive and affective predictors of screening using a culturally competent, community-based, narrative or didactic communication approach. New and existing community partners were recruited in two New York sites. Group randomization allocated programs to the narrative or didactic arm. Five phases of data collection were conducted: baseline, post-intervention, three-month, six month, and qualitative interviews. The primary outcome was screening behavior; secondary outcomes included cognitive and affective determinants of screening. RESULTS: A total of 183 programs were conducted for 2655 attendees. Of these attendees, 19.4% (N=516) across 158 programs (50% narrative; 50% didactic) were study-eligible and consented to participate. Half (45.6%) of the programs were delivered to new community partners and 34.8% were delivered at faith-based organizations. Mean age of the total sample was 64.7years and 75.4% were female. CONCLUSION: The planned number of programs was delivered, but the proportion of study-eligible attendees was lower than predicted. This community-based participatory research approach was largely successful in involving the community served in the development and implementation of the intervention and study. PMID- 29198732 TI - Application of process mapping to understand integration of high risk medicine care bundles within community pharmacy practice. AB - OBJECTIVE: The Scottish Patient Safety Programme - Pharmacy in Primary Care collaborative is a quality improvement initiative adopting the Institute of Healthcare Improvement Breakthrough Series collaborative approach. The programme developed and piloted High Risk Medicine (HRM) Care Bundles (CB), focused on warfarin and non-steroidal anti-inflammatories (NSAIDs), within 27 community pharmacies over 4 NHS Regions. Each CB involves clinical assessment and patient education, although the CB content varies between regions. To support national implementation, this study aims to understand how the pilot pharmacies integrated the HRM CBs into routine practice to inform the development of a generic HRM CB process map. METHODS: Regional process maps were developed in 4 pharmacies through simulation of the CB process, staff interviews and documentation of resources. Commonalities were collated to develop a process map for each HRM, which were used to explore variation at a national event. A single, generic process map was developed which underwent validation by case study testing. RESULTS: The findings allowed development of a generic process map applicable to warfarin and NSAID CB implementation. Five steps were identified as required for successful CB delivery: patient identification; clinical assessment; pharmacy CB prompt; CB delivery; and documentation. The generic HRM CB process map encompasses the staff and patients' journey and the CB's integration into routine community pharmacy practice. Pharmacist involvement was required only for clinical assessment, indicating suitability for whole-team involvement. CONCLUSIONS: Understanding CB integration into routine practice has positive implications for successful implementation. The generic process map can be used to develop targeted resources, and/or be disseminated to facilitate CB delivery and foster whole team involvement. Similar methods could be utilised within other settings, to allow those developing novel services to distil the key processes and consider their integration within routine workflows to effect maximal, efficient implementation and benefit to patient care. PMID- 29198733 TI - Virtual medicine: Utilization of the advanced cardiac imaging patient avatar for procedural planning and facilitation. AB - Advances in imaging technology have led to a paradigm shift from planning of cardiovascular procedures and surgeries requiring the actual patient in a "brick and mortar" hospital to utilization of the digitalized patient in the virtual hospital. Cardiovascular computed tomographic angiography (CCTA) and cardiovascular magnetic resonance (CMR) digitalized 3-D patient representation of individual patient anatomy and physiology serves as an avatar allowing for virtual delineation of the most optimal approaches to cardiovascular procedures and surgeries prior to actual hospitalization. Pre-hospitalization reconstruction and analysis of anatomy and pathophysiology previously only accessible during the actual procedure could potentially limit the intrinsic risks related to time in the operating room, cardiac procedural laboratory and overall hospital environment. Although applications are specific to areas of cardiovascular specialty focus, there are unifying themes related to the utilization of technologies. The virtual patient avatar computer can also be used for procedural planning, computational modeling of anatomy, simulation of predicted therapeutic result, printing of 3-D models, and augmentation of real time procedural performance. Examples of the above techniques are at various stages of development for application to the spectrum of cardiovascular disease processes, including percutaneous, surgical and hybrid minimally invasive interventions. A multidisciplinary approach within medicine and engineering is necessary for creation of robust algorithms for maximal utilization of the virtual patient avatar in the digital medical center. Utilization of the virtual advanced cardiac imaging patient avatar will play an important role in the virtual health care system. Although there has been a rapid proliferation of early data, advanced imaging applications require further assessment and validation of accuracy, reproducibility, standardization, safety, efficacy, quality, cost effectiveness, and overall value to medical care. PMID- 29198734 TI - [Clinical research and data collection during the investigation: Influence of a dedicated staff]. AB - OBJECTIVE: In clinical research, the recourse to a staff dedicated as CRA with the investigator is common practice to facilitate the work of collection and limiting the missing data (MD). We, therefore, looked for the interest of the recourse of such personnel to data collection. METHODS: MD were classified according to five categories: clinical, para-clinical, treatment, adverse events (serious) and others. Studies were separated in two designs, one-off studies during a single visit (so-called "no follow") and studies on the duration and including several visits (say "with follow"). Similarly, studies were differentiated according to their type of collection "Without ARC" if the data were collected by an investigator, and studies "With ARC". RESULTS: The presence of a CRA can reduce the number of MD whatever their type (Student test: P<0.0001): With CRA mean of MD is 4.8%+/-8.4% and Without CRA mean of MD is 22.1%+/-17.0%. CONCLUSION: The delegation of data collection to a staff dedicated reduces significantly the percentage of missing data. PMID- 29198735 TI - Outpatient therapy for acute symptomatic pulmonary embolism diagnosed in the emergency department: Time to improve the evidence base. PMID- 29198736 TI - Venous Thromboembolic Complications to Hysterectomy for Benign Disease: A Nationwide Cohort Study. AB - STUDY OBJECTIVE: To estimate the risk of venous thromboembolic complications after abdominal, laparoscopic, and vaginal hysterectomy when performed for benign disorders. DESIGN: A nationwide cohort study (Canadian Task Force classification II-2). SETTING: Data from Danish national registers on all women undergoing hysterectomy for benign conditions from 1996 to 2015. PATIENTS: Women aged 18 years and older who underwent hysterectomy for benign disease were stratified into 3 groups according to the hysterectomy approach: abdominal, laparoscopic, or vaginal. INTERVENTIONS: Hysterectomy. MEASUREMENTS AND MAIN RESULTS: Eighty-nine thousand nine hundred thirty-one women met the inclusion criteria. Venous thromboembolism (VTE) as a diagnosis or cause of death was identified. The risk of postoperative VTE was examined with Cox proportional hazard models adjusting for age, surgical approach, and relevant comorbidities. The mean age was 49.9, 47.9, and 54.3 years for women with abdominal, laparoscopic, and vaginal hysterectomy, respectively. The crude incidences of VTE within 30 days after hysterectomy were 0.24% (n = 142), 0.13% (n = 12), and 0.10% (n = 21). The most important predictors of VTE were the approach to hysterectomy and a history of thromboembolic disease. In the multivariable analysis, the risk of VTE was significantly reduced with laparoscopic hysterectomy (hazard ratio [HR] = 0.51; 95% confidence interval [CI], 0.28-0.92; p = .03) and vaginal hysterectomy (HR = 0.39; 95% CI, 0.24-0.63; p < .001) when compared with the abdominal procedure. Data on postoperative heparin thromboprophylaxis were available in 53 566 patients, and the adjusted HR was 0.63 (95% CI, 0.42-0.96; p = .03) in patients receiving heparin thromboprophylaxis. CONCLUSION: The 30-day cumulative incidence of VTE after hysterectomy for benign conditions was low overall (0.19%). Laparoscopic hysterectomy and vaginal hysterectomy carry a lower risk than the abdominal procedure. Postoperative heparin thromboprophylaxis significantly reduces the risk of VTE and should be considered, especially if risk factors are present. PMID- 29198737 TI - Stabilization of the Fourth Metatarsal-Cuboid Lateral Lisfranc Injury: Early Results of an Innovative Technique Using Suture Anchors. AB - This report presents an innovative surgical technique for the correction of cuboid-metatarsal subluxation at the level of the lateral Lisfranc joint. This stabilization technique reinforces the dorsal fourth tarsometatarsal ligament by incorporating sutures and anchors, establishing a more stable joint. The data from 5 female patients undergoing stabilization using a suture anchor construct were reviewed. All 5 patients were able to resume their activities, including the adolescent athletes. Anatomic reconstruction of the dorsal fourth tarsometatarsal ligament complex can lead to full mechanical and functional stability, which ultimately allows for a return to activity, even in highly demanding sports and athletes. PMID- 29198738 TI - Corrections. PMID- 29198739 TI - Why the antibiotic resistance crisis requires a One Health approach. PMID- 29198740 TI - Early transmissible ampicillin resistance in zoonotic Salmonella enterica serotype Typhimurium in the late 1950s: a retrospective, whole-genome sequencing study. AB - BACKGROUND: Ampicillin, the first semi-synthetic penicillin active against Enterobacteriaceae, was released onto the market in 1961. The first outbreaks of disease caused by ampicillin-resistant strains of Salmonella enterica serotype Typhimurium were identified in the UK in 1962 and 1964. We aimed to date the emergence of this resistance in historical isolates of S enterica serotype Typhimurium. METHODS: In this retrospective, whole-genome sequencing study, we analysed 288 S enterica serotype Typhimurium isolates collected between 1911 and 1969 from 31 countries on four continents and from various sources including human beings, animals, feed, and food. All isolates were tested for antimicrobial drug susceptibility with the disc diffusion method, and isolates shown to be resistant to ampicillin underwent resistance-transfer experiments. To provide insights into population structure and mechanisms of ampicillin resistance, we did whole-genome sequencing on a subset of 225 isolates, selected to maximise source, spatiotemporal, and genetic diversity. FINDINGS: 11 (4%) of 288 isolates were resistant to ampicillin because of acquisition of various beta lactamase genes, including blaTEM-1, carried by various plasmids, including the virulence plasmid of S enterica serotype Typhimurium. These 11 isolates were from three phylogenomic groups. One isolate producing TEM-1 beta lactamase was isolated in France in 1959 and two isolates producing TEM-1 beta lactamase were isolated in Tunisia in 1960, before ampicillin went on sale. The vectors for ampicillin resistance were different from those reported in the strains responsible for the outbreaks in the UK in the 1960s. INTERPRETATION: The association between antibiotic use and selection of resistance determinants is not as direct as often presumed. Our results suggest that the non-clinical use of narrow-spectrum penicillins (eg, benzylpenicillin) might have favoured the diffusion of plasmids carrying the blaTEM-1 gene in S enterica serotype Typhimurium in the late 1950s. FUNDING: Institut Pasteur, Sante publique France, the French Government's Investissement d'Avenir programme, the Fondation Le Roch-Les Mousquetaires. PMID- 29198741 TI - Pregnancy as an early stress test for cardiovascular and kidney disease diagnosis. AB - OBJECTIVES: Pregnancy is a cardiometabolic and renal stress test for women, primarily when associated with hypertension syndrome, which can have deleterious effects in the long term. We undertook this study to make a long-term evaluation on these women. STUDY DESIGN: A retrospective cohort study was conducted to investigate voluntary women who had pregnancy-induced hypertension syndrome versus normal pregnancy. MAIN OUTCOME MEASURES: We evaluated a total of 85 women, divided in case (n = 25) and control (n = 60) groups, by clinical, anthropometric and epidemiological profiles, general, metabolic and renal tests, and risk stratification for cardiovascular disease (CVD) and chronic kidney disease (CKD). RESULTS: The case group showed a higher incidence of hypertension (P = .003), shorter period between its diagnosis and end of pregnancy (P < .001) and lower age at diagnosis (P = .033); higher weight (P < .001), body mass index (BMI) (P < .001), waist-to-height ratio (p = .001) and abdominal circumference (P < .001); higher fat percentage (P = .004) and weight to lose (P < .001) as measured by bioimpedance; lower estimate glomerular filtration rate (eGFR) by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation (P = .021), greater difference between estimated vascular age and real age (P = .008) according to Framingham Risk Score (2008) and higher frequency of metabolic syndrome (P < .001). CONCLUSIONS: Women who had pregnancy-induced hypertension syndrome were found with a higher incidence of obesity, metabolic syndrome and hypertension, earlier onset of hypertension, higher estimated vascular age and lower eGFR. These findings reinforce the importance of investigating the history of hypertension syndrome in pregnancy, which should be considered an indicator to be followed long term after childbirth. PMID- 29198742 TI - Prediction of adverse maternal outcomes from pre-eclampsia and other hypertensive disorders of pregnancy: A systematic review. AB - BACKGROUND: The hypertensive disorders of pregnancy are a leading cause of maternal and perinatal mortality and morbidity. The ability to predict these complications using simple tests could aid in management and improve outcomes. We aimed to systematically review studies that reported on potential predictors of adverse maternal outcomes among women with a hypertensive disorder of pregnancy. METHODS: We searched MEDLINE, Embase and CINAHL (inception - December 2016) for studies of predictors of severe maternal complications among women with a hypertensive disorder of pregnancy. Studies were selected in a two-stage process by two independent reviewers, excluding those reporting only on adverse fetal outcomes. We extracted data on study and test(s) characteristics and outcomes. Accuracy of prediction was assessed using sensitivity, specificity, likelihood ratios and area under the receiver operating curve (AUROC). Strong evidence of prediction was taken to be a positive likelihood ratio >10 or a negative likelihood ratio <0.1, and for multivariable models, an AUROC >=0.70. Bivariate random effects models were used to summarise performance when possible. RESULTS: Of 32 studies included, 28 presented only model development and four examined external validation. Tests included symptoms and signs, laboratory tests and biomarkers. No single test was a strong independent predictor of outcome. The most promising prediction was with multivariable models, especially when oxygen saturation, or chest pain/dyspnea were included. CONCLUSION: Future studies should investigate combinations of tests in multivariable models (rather than single predictors) to improve identification of women at high risk of adverse outcomes in the setting of the hypertensive disorders of pregnancy. PMID- 29198743 TI - Apigenin and luteolin display differential hypocholesterolemic mechanisms in mice fed a high-fat diet. AB - Hypercholesterolemia is a major risk factor in the development of atherosclerosis. High blood cholesterol can be the result of increased biosynthesis or reduced elimination of cholesterol in the system. Increased consumption of fruits and vegetables is recommended for patients suffering from hypercholesterolemia. The plant food flavones apigenin and luteolin have previously been shown to suppress the synthesis of cholesterol in human hepatocytes. The effectiveness of these two flavones in controlling blood cholesterol was examined in a mouse model in the present study. Mice were fed a high-fat diet and apigenin or luteolin at 50 and 250 ppm was mixed in the diet. After 8 weeks of treatment, the administration of 250 ppm apigenin or 250 ppm luteolin could modulate the total and serum non-HDL cholesterol. The expressions of srebf-2 mRNA, Srebp-2 protein and Hmgcr protein were decreased in the livers of apigenin-treated mice; meanwhile, AMPK was activated in this group of mice. In contrast, suppressed ncp1l1 and induced abcg-5/8 mRNA expressions were seen in the intestinal mucosa of luteolin-fed animals. Increased fecal cholesterol content was also observed in the luteolin-treated mice. These results revealed that apigenin suppressed the biosynthesis of cholesterol, whereas luteolin promoted the elimination of cholesterol. In summary, this study illustrated that the two flavones could attenuate high-fat feeding-induced hypercholesterolemia in two different mechanisms. PMID- 29198744 TI - Are plant-based functional foods better choice against cancer than single phytochemicals? A critical review of current breast cancer research. AB - Breast cancer is the most common malignancy in women worldwide. Over 90% of all breast cancer cases are of different 'sporadic' cell types, thus placing emphasis on the need for breast cancer prevention and new effective treatment strategies. In recent years, pre-clinical research provides growing evidence regarding the beneficial action of bioactive plant-derived substances - phytochemicals, on multiple cancer-related biological pathways. The important natural source of various phytochemicals with anti-oncogenic properties are plant-based functional foods. It is hypothesized that a significant anti-tumour activity of plant-based functional foods are the result of a combination of various phytochemicals rather than an isolated agent. The mixture of phytochemicals with various biological activities present in whole foods could have additive or synergistic effects against carcinogenesis. Clinically, it is very important to compare the effect of the isolated phytochemicals against the mixture of phytochemicals present in specific plant-based functional foods. Therefore, the purpose of this review article is to compare anticancer activities of isolated phytochemicals and plant based functional foods for the prevention and therapy of breast carcinoma. Our conclusion supports the hypothesis that a mixture of wide range of phytochemicals with a plethora of biological activities present in whole plant-derived foods could have additive or synergistic effects against breast cancer. Although, the lack of parallel comparative studies between whole natural foods versus isolated plant compounds limits our conclusion, future pre-clinical and clinical studies evaluating this issue is required. PMID- 29198745 TI - Orientin, a C-glycosyl dietary flavone, suppresses colonic cell proliferation and mitigates NF-kappaB mediated inflammatory response in 1,2-dimethylhydrazine induced colorectal carcinogenesis. AB - Orientin, a C-glycosyl dietary flavone profusely found in rooibos tea and passion fruit have gained much attention owing to their multiple pharmacological potentials. The present study intends to investigate the anti-proliferative and anti-inflammatory efficacy of Orientin in 1,2-dimethyl hydrazine (DMH) induced colorectal cancer (CRC) in rats. Animals were arbitrarily segmented into six groups and fed with high-fat diet. Group 1 served as control. Group 2 received weekly subcutaneous injections of DMH (20 mg/kg b.w.), for first 15 weeks. Group 3 administered with Orientin (10 mg/kg b.w., i.p.) whereas Groups 4-6 treated with Orientin in three phases, namely initiation (along with DMH), post initiation (post-DMH injection) and entire period. Orientin ameliorates tumor marker levels significantly (p < 0.05) and reinstates the histological changes induced by DMH. The proliferative markers (PCNA and Ki67) were observed to be suppressed significantly (p < 0.05) in Orientin treated rats. Orientin abrogates (p < 0.05) the inflammatory mast cells and diminishes the expression of pro inflammatory NF-kappaB and cytokines (TNF-alpha and IL-6). It also down-regulates over expression of inflammatory inducible enzymes (iNOS and COX-2) significantly (p < 0.05) and further substantiated by GLIDE XP and QPLD studies. Overall results promptly elucidate the anti-proliferative and anti-inflammatory efficacy of Orientin against CRC. Orientin can be developed as a promising chemotherapeutic agent, on further validation of other molecular mechanisms. PMID- 29198747 TI - Recent advances in cancer immunology and immunology-based anticancer therapies. AB - Cancer immunotherapies offer promise for cure of cancer with specificity and minimal toxicity. Recent developments in cancer immunology have led to the better understanding of role of immune regulatory mechanisms in cancer. There is rapid progress in this field in the last few years. Several clinical studies report the efficacy of immunotherapies for treating cancer. The immunology-based anticancer therapies have shown better safety profiles in clinic as compared to other chemotherapeutic agents, thus increasing interest in this area. This review summarizes recent advances in cancer immunology and discusses tumor microenvironment and immunology-based anticancer therapies, including vaccines and therapies targeting immune checkpoints. PMID- 29198746 TI - Valproic acid attenuates inflammation of optic nerve and apoptosis of retinal ganglion cells in a rat model of optic neuritis. AB - AIMS: Optic neuritis (ON) is an inflammatory disease of the optic nerve, which often occurs in patients with multiple sclerosis (MS) and leads to retinal ganglion cell (RGC) death and even severe visual loss. Valproic acid (VPA) is a short-chain branched fatty acid with anti-epileptic, neuro-protective and anti inflammatory effects. Here, we examined the effects of VPA in experimental autoimmune encephalomyelitis (EAE) rats and explored the underlying mechanisms. MAIN METHODS: EAE was induced by subcutaneous injection with myelin basic protein, emulsified with complete Freund's adjuvant and Mycobacterium tuberculosis H37Ra into the Lewis rats. Subsequently, animals in the VPA groups were treated orally with VPA (250 or 500 mg/kg) once a day for 13 days. KEY FINDINGS: VPA treatment significantly attenuated inflammation and microgliosis in optic nerve in EAE-ON rats, as evidenced by the decrease in the mRNA levels of interferon (INF)-gamma, tumor necrosis factor (TNF)-alpha, interleukin (IL) 1beta, IL-17, and inducible nitric oxide synthase (iNOS), the suppression in nuclear factor (NF)-kappaB signal pathway as well as the down-regulation of CD11b expression in optic nerve. Additionally, the apoptotic RGCs were remarkably increased in the EAE retina, which was inhibited by VPA treatment. Consistent with the TUNEL staining, VPA administration also obviously suppressed the ratio of Bax: Bcl-2 and the expression of cleaved caspase-3 and PARP in optic nerve in EAE rats. SIGNIFICANCE: Our findings demonstrated that VPA treatment could prevent inflammation responses and RGC apoptosis in optic nerve in EAE-ON rats, suggesting that VPA may be available for optic nerve protection during ON. PMID- 29198748 TI - Microparticles from stored red blood cells promote a hypercoagulable state in a murine model of transfusion. AB - BACKGROUND: Red blood cell-derived microparticles are biologically active, submicron vesicles shed by erythrocytes during storage. Recent clinical studies have linked the duration of red blood cell storage with thromboembolic events in critically ill transfusion recipients. In the present study, we hypothesized that microparticles from aged packed red blood cell units promote a hypercoagulable state in a murine model of transfusion. METHODS: Microparticles were isolated from aged, murine packed red blood cell units via serial centrifugation. Healthy male C57BL/6 mice were transfused with microparticles or an equivalent volume of vehicle, and whole blood was harvested for analysis via rotational thromboelastometry. Serum was harvested from a separate set of mice after microparticles or saline injection, and analyzed for fibrinogen levels. Red blood cell-derived microparticles were analyzed for their ability to convert prothrombin to thrombin. Finally, mice were transfused with either red blood cell microparticles or saline vehicle, and a tail bleeding time assay was performed after an equilibration period of 2, 6, 12, or 24 hours. RESULTS: Mice injected with red blood cell-derived microparticles demonstrated an accelerated clot formation time (109.3 +/- 26.9 vs 141.6 +/- 28.2 sec) and increased alpha angle (68.8 +/- 5.0 degrees vs 62.8 +/- 4.7 degrees) compared with control (each P < .05). Clotting time and maximum clot firmness were not significantly different between the 2 groups. Red blood cell-derived microparticles exhibited a hundredfold greater conversion of prothrombin substrate to its active thrombin form (66.60 +/- 0.03 vs 0.70 +/- 0.01 peak OD; P<.0001). Additionally, serum fibrinogen levels were lower in microparticles-injected mice compared with saline vehicle, suggesting thrombin-mediated conversion to insoluble fibrin (14.0 vs 16.5 ug/mL, P<.05). In the tail bleeding time model, there was a more rapid cessation of bleeding at 2 hours posttransfusion (90.6 vs 123.7 sec) and 6 hours posttransfusion (87.1 vs 141.4 sec) in microparticles-injected mice as compared with saline vehicle (each P<.05). There was no difference in tail bleeding time at 12 or 24 hours. CONCLUSION: Red blood cell-derived microparticles induce a transient hypercoagulable state through accelerated activation of clotting factors. PMID- 29198750 TI - Comment on: weight loss after bariatric surgery in obese adolescents: a systematic review and meta-analysis. PMID- 29198749 TI - Mitochondrial fission is associated with UCP1 activity in human brite/beige adipocytes. AB - OBJECTIVE: Thermogenic adipocytes (i.e. brown or brite/beige adipocytes) are able to burn large amounts of lipids and carbohydrates as a result of highly active mitochondria and enhanced uncoupled respiration, due to UCP1 activity. Although mitochondria are the key organelles for this thermogenic function, limited human data are available. METHODS/RESULTS: We characterized changes in the mitochondrial function of human brite adipocytes, using hMADS cells as a model of white- to brite-adipocyte conversion. We found that profound molecular modifications were associated with morphological changes in mitochondria. The fission process was partly driven by the DRP1 protein, which also promoted mitochondrial uncoupling. CONCLUSION: Our data demonstrate that white-to-brite conversion of human adipocytes relies on molecular, morphological and functional changes in mitochondria, which enable brite/beige cells to carry out thermogenesis. PMID- 29198751 TI - Diabetes resolution after one anastomosis gastric bypass. AB - BACKGROUND: Diabetes and other obesity-related diseases are a worldwide pandemic that transcends geographic borders as well as socioeconomic levels. Currently, it is well known that medical treatment alone is insufficient to ensure adequate and sustainable weight loss and co-morbidity resolution. It has been well proven that bariatric surgery can produce almost immediate resolution of diabetes and other co-morbidities as well as long-term weight loss. OBJECTIVES: Here, we present our experience with the one anastomosis gastric bypass (OAGB) in terms of weight loss and diabetes resolution with 1 year of follow-up. SETTING: Large, metropolitan, tertiary, university hospital. METHODS: A retrospective analysis of all patients who underwent OAGB between March 2015 and March 2016 was performed. Patient demographic characteristics, co-morbidities, operative and postoperative data, as well as first year outcomes were collected and analyzed. RESULTS: There were 407 patients who underwent OAGB (254 females, average age 41.8 +/- 12.05 yr, body mass index = 41.7 +/- 5.77 kg/m2). Of patients, 102 (25.1%) had diabetes with average glycosylated hemoglobin of 8.64 +/- 1.94 g%, 93 (22.8%) had hypertension, 123 (28.8%) had hyperlipidemia, and 35 patients (8.6%) had obstructive sleep apnea. The average length of hospital stay was 2.2 +/- .84 days (range, 2-10 d). The average excess weight loss 1 year after surgery was 88.9 +/- 27.3. After 1 year, follow-up data were available for more than 85% of the study's general population. Of 102 diabetic patients, only 8 (7.8%) were still considered diabetic and taking antidiabetic medication, with an average glycosylated hemoglobin of 5.4 +/- 0.6. CONCLUSIONS: OAGB may be performed safely and with promising efficacy as both a primary and a revisional bariatric surgery, and it offers excellent resolution of diabetes. PMID- 29198752 TI - Comment on: preoperative progressive pneumoperitoneum in obese patients with loss of domain hernias. PMID- 29198754 TI - Divergent Connectivity of Homologous Command-like Neurons Mediates Segment Specific Touch Responses in Drosophila. AB - Animals adaptively respond to a tactile stimulus by choosing an ethologically relevant behavior depending on the location of the stimuli. Here, we investigate how somatosensory inputs on different body segments are linked to distinct motor outputs in Drosophila larvae. Larvae escape by backward locomotion when touched on the head, while they crawl forward when touched on the tail. We identify a class of segmentally repeated second-order somatosensory interneurons, that we named Wave, whose activation in anterior and posterior segments elicit backward and forward locomotion, respectively. Anterior and posterior Wave neurons extend their dendrites in opposite directions to receive somatosensory inputs from the head and tail, respectively. Downstream of anterior Wave neurons, we identify premotor circuits including the neuron A03a5, which together with Wave, is necessary for the backward locomotion touch response. Thus, Wave neurons match their receptive field to appropriate motor programs by participating in different circuits in different segments. PMID- 29198753 TI - Cell therapies for hematological malignancies: don't forget non-gene-modified t cells! AB - Cell therapy currently performs an important role in the treatment of patients with various hematological malignancies. The response to the cell therapy is regulated by multiple factors including the patient's immune system status, genetic profile, stage at diagnosis, age, and underlying disease. Cell therapy that does not require genetic manipulation can be mediated by donor lymphocyte infusion strategies, selective depletion in the post-transplant setting and the ex vivo expansion of antigen-specific T cells. For hematologic malignancies, cell therapy is contributing to enhanced clinical responses and overall survival and the immune response to cell therapy is predictive of response in multiple cancer types. In this review we summarize the available T cell therapeutics that do not rely on gene engineering for the treatment of patients with blood cancers. PMID- 29198755 TI - Differentiation between Oppositely Oriented Microtubules Controls Polarized Neuronal Transport. AB - Microtubules are essential for polarized transport in neurons, but how their organization guides motor proteins to axons or dendrites is unclear. Because different motors recognize distinct microtubule properties, we used optical nanoscopy to examine the relationship between microtubule orientations, stability, and modifications. Nanometric tracking of motors to super-resolve microtubules and determine their polarity revealed that in dendrites, stable and acetylated microtubules are mostly oriented minus-end out, while dynamic and tyrosinated microtubules are oriented oppositely. In addition, microtubules with similar orientations and modifications form bundles that bias transport. Importantly, because the plus-end-directed Kinesin-1 selectively interacts with acetylated microtubules, this organization guides this motor out of dendrites and into axons. In contrast, Kinesin-3 prefers tyrosinated microtubules and can enter both axons and dendrites. This separation of distinct microtubule subsets into oppositely oriented bundles constitutes a key architectural principle of the neuronal microtubule cytoskeleton that enables polarized sorting by different motor proteins. PMID- 29198756 TI - CaV2.2 Gates Calcium-Independent but Voltage-Dependent Secretion in Mammalian Sensory Neurons. AB - Action potential induces membrane depolarization and triggers intracellular free Ca2+ concentration (Ca2+)-dependent secretion (CDS) via Ca2+ influx through voltage-gated Ca2+ channels. We report a new type of somatic exocytosis triggered by the action potential per se-Ca2+-independent but voltage-dependent secretion (CiVDS)-in dorsal root ganglion neurons. Here we uncovered the molecular mechanism of CiVDS, comprising a voltage sensor, fusion machinery, and their linker. Specifically, the voltage-gated N-type Ca2+ channel (CaV2.2) is the voltage sensor triggering CiVDS, the SNARE complex functions as the vesicle fusion machinery, the "synprint" of CaV2.2 serves as a linker between the voltage sensor and the fusion machinery, and ATP is a cargo of CiVDS vesicles. Thus, CiVDS releases ATP from the soma while CDS releases glutamate from presynaptic terminals, establishing the CaV2.2-SNARE "voltage-gating fusion pore" as a novel pathway co-existing with the canonical "Ca2+-gating fusion pore" pathway for neurotransmitter release following action potentials in primary sensory neurons. PMID- 29198758 TI - Kinetics of 3H, 90Sr and 137Cs content changes in hydrosphere in the Vltava River system (Czech Republic). AB - The paper presents results and interpretation of long-term monitoring of occurrence and behaviour of radioisotopes 3H, 90Sr, and 137Cs in the vicinity of the Temelin Nuclear Power Plant. 3H, 90Sr, and 137Cs originate predominantly from residual contamination due to atmospheric nuclear weapons tests and the Chernobyl disaster in the last century. Monitoring of radionuclides comprised surface waters, river sediments, aquatic plants, and fish. This enables an up-to-date appraisal of the Temelin Nuclear Power Plant impact on the hydrosphere in all indicators at standard power plant operation, as well as at critical situations. The time and spatial variability of these radionuclide concentrations were monitored in the hydrosphere at in- and out-flow of the Orlik Water Reservoir. The basic evaluated radioecological characteristics can be used in assessing the long-term kinetics of decline and behaviour of radionuclides and their potential release into the environment. A very slow decline in 3H concentration at unaffected sites was observed. At sites downstream from the power plant the 3H concentrations were significantly higher, an evident impact of the power plant operation. A decline in 90Sr and 137Cs concentrations was observed in all the monitored indicators. Also, the characteristic effective and ecological half lives were evaluated. PMID- 29198757 TI - Behavior-Dependent Activity and Synaptic Organization of Septo-hippocampal GABAergic Neurons Selectively Targeting the Hippocampal CA3 Area. AB - Rhythmic medial septal (MS) GABAergic input coordinates cortical theta oscillations. However, the rules of innervation of cortical cells and regions by diverse septal neurons are unknown. We report a specialized population of septal GABAergic neurons, the Teevra cells, selectively innervating the hippocampal CA3 area bypassing CA1, CA2, and the dentate gyrus. Parvalbumin-immunopositive Teevra cells show the highest rhythmicity among MS neurons and fire with short burst duration (median, 38 ms) preferentially at the trough of both CA1 theta and slow irregular oscillations, coincident with highest hippocampal excitability. Teevra cells synaptically target GABAergic axo-axonic and some CCK interneurons in restricted septo-temporal CA3 segments. The rhythmicity of their firing decreases from septal to temporal termination of individual axons. We hypothesize that Teevra neurons coordinate oscillatory activity across the septo-temporal axis, phasing the firing of specific CA3 interneurons, thereby contributing to the selection of pyramidal cell assemblies at the theta trough via disinhibition. VIDEO ABSTRACT. PMID- 29198759 TI - Lowered reference limits for hCG improve follow-up of patients with hCG-producing tumors. AB - BACKGROUND: Human Chorionic Gonadotropin (hCG) is produced by germ cell tumors, but can also be elevated in benign conditions such as primary hypogonadism, where hCG is produced by the pituitary gland. In our experience, the reference limits for hCG (Elecsys hCG+beta-assay, Roche Diagnostics), were unnecessarily high and did not reflect levels encountered in clinical practice. We wanted to establish new reference limits to increase the clinical utility of the hCG-assay. METHODS: We analysed hCG in serum samples from a healthy adult population and in a cohort of testicular cancer survivors. The gonadotropins LH and FSH were measured in the cohort and in a selection of the reference population to assess gonadal function. RESULTS: We found low hCG levels for all men and women <45years (97.5 percentiles 0.1 and 0.2IU/L, respectively) from the healthy population (n=795) having normal FSH and LH. Due to assay limitations, we suggest a common reference limit of <0.3IU/L. For the age group >=45, the 97.5 percentiles in the healthy population were 0.5IU/L for men and 6.0IU/L for women. In all subjects from both the reference population and the cohort (n=732), hCG levels exceeding the reference limit could be fully explained by reduced gonadal function indicated by elevated LH and FSH levels. CONCLUSION: The Elecsys hCG+beta-assay should have lower reference limits than recommended by the manufacturer, with important implications for tumor follow-up. Elevated hCG is rare with intact gonadal function, both in a normal population and among survivors of testicular cancer, and should lead to further investigations when encountered in clinical practice. PMID- 29198761 TI - Diagnostics, treatment and secondary prevention of ischemic stroke in the Silesian Province, Poland between 2009 and 2015. AB - BACKGROUND: The available data on diagnostics and treatment of ischemic stroke (IS) in Poland come mainly from non-representative cohorts or are outdated. OBJECTIVE: Therefore, the current study was done to access the most recent data on IS in the industrial region that covers 12% of the country's population. MATERIALS & METHODS: Analysis of the data from stroke questionnaires, obligatory for all patients hospitalized due to acute stroke and administered by the National Health Fund (the only public health insurer in Poland) between 2009 and 2015 (n=81,193). RESULTS: The number of hospitalizations due to IS in the Silesian Province was 69,403 and constituted 85.5% of all stroke cases reported to the NHF between 2009 and 2015. Neuroimaging of the brain (CT/MRI) was performed in 68,696 (99%) subjects, while ultrasonography of extra- and/or intracranial arteries in 57,886 (83.4%). The rtPA therapy was applied in 3282 patients (4.7% of all IS subjects). The rate of patients treated with rtPA gradually increased (1.2% in 2009, 9.3% in 2015). Among all patients with IS, 57,636 (83.1%) subjects were administered antiplatelet drugs, 16,199 (23.3%) - oral anticoagulants, and 55,971 (80.7%) - antihypertensive drugs. Also, 2260 (3.3%) patients were referred for vascular intervention. In subjects with cardioembolic stroke etiology, 37.8% were treated with anticoagulants. CONCLUSIONS: There has been observed a significant improvement in the quality of diagnosis and treatment of acute ischemic stroke during recent years. However, further actions are required both in terms of reperfusion treatment (thrombolysis and/or thrombectomy) and secondary prevention of stroke. PMID- 29198762 TI - Synthesis of calcium phosphate nanostructures by combustion in solution as a potential encapsulant system of drugs with photodynamic properties for the treatment of cutaneous leishmaniasis. AB - The traditional drugs used in the treatment of cutaneous leishmanisis (CL) have multiple disadvantages, such as high toxicity, high costs, and more recently the appearance of parasites resistant to those drugs. For this reason, some research has focused on the development of new drugs or treatment therapies. Photodynamic therapy (PDT) that involves the use of a photosensitive or photosensitizing compound capable of producing reactive oxygen species to which Leishmania parasites are sensitive, has emerged as an alternative for the treatment of CL. However, some of these sensitizing compounds exhibit some toxicity (cytotoxicity, allergic reaction, etc), low selectivity, and some of them are insoluble in aqueous media limiting their use. Therefore, the PDT can be improved using encapsulation systems which protect drugs, prevent their degradation, help them overcome physical barriers and increase their selectivity. In this study, we propose the use of calcium phosphate as a potential encapsulant or photodynamic support for photoactive drugs, using hypericin (HY) as a photosensitizer agent. The self-combustion route was used to synthesize the CP nanostructures. The structure and morphology of CP nanoparticles were evaluated via X-ray diffraction (XRD), Raman and field-emission scanning electron microscopy (FE-SEM). Phases rich in hydroxyapatite and CP beta phase, with granular morphology and an average grain size of 42.9 nm were obtained. The encapsulation uptake and the interactions between HY and the encapsulated system were evaluated by fluorescence spectroscopy and Fourier-transform infrared spectroscopy (FTIR), respectively. Approximately 13% of HY was enapsulated per 1 MUg of nanoparticles of calcium phosphate. Composites were submitted to in vitro assays of cytotoxicity and anti-leishmanial activity. The CP nanoparticles did not affect the photodynamic activity of HY. On the contrary they showed antileishmanial response. PMID- 29198760 TI - Impact of long distance rowing on biological health: A pilot study. AB - OBJECTIVES: To determine the impact of long distance rowing (160km, nonstop) on standard biological parameters and to study the relation between inflammation, myocardial necrosis, lipid profile, heart rate and energy expenditure. METHODS: Electrolytes, lipid profile, C-reactive protein (CRP), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), procalcitonin (PCT), high-sensitive troponin T (hs-cTnT), and N-terminal pro-brain natriuretic peptide (NT-proBNP), were measured on non-fasting venous blood samples collected 8h before and after the rowing race on five healthy competitors. Heart rate and energy expenditure were measured using sporting self-measurement devices. RESULTS: After 16.5h of race, significant increases in median CRP (+25.2mg/l; p=0.04), IL-6 (+1.85pg/ml; p=0.04), TNF-alpha (+1.2pg/ml; p=0.04) and NT-proBNP levels (+88.8pg/ml; p=0.04) were observed, and a close to significant elevation for hs-cTnT(+6ng/l; p=0.06) and PCT (+0.14MUg/l; p=0.07). On the other hand, significant decrease in median total cholesterol (-0.5mmol/l; p=0.04), triglycerides (-0.7mmol/l; p=0.04) were observed. Furthermore, significant correlations between the maximal heart rate reached during the race and CRP (r=0.90; p=0.03), IL-6 (r=0.90; p=0.03), and NT proBNP (r=0.90; p=0.03) were observed, whereas no such associations were retrieved with median heart rate, the percentage of time passed over 70% of maximal heart rate or energy expenditure during the race. There was no association between PCT, NT-proBNP, hs-cTnT, inflammatory biomarkers, lipid profile or heart rate parameters. CONCLUSIONS: Long distance rowing induces inflammation and myocardial strain related to the maximal effort generated during the race, but has a favourable effect on lipid profile. PMID- 29198763 TI - Antimicrobial Photodynamic Therapy mediated by Photodithazine(r) in the treatment of denture stomatitis: A case report. AB - Antimicrobial Photodynamic Therapy (aPDT) mediated by Photodithazine(r) (PDZ) has shown efficacy in the inactivation of Candida spp. in in vitro and in vivo studies. This preliminary study reports five clinical cases of patients with denture stomatitis (DS) treated with PDZ-mediated aPDT. Five individuals diagnosed with DS were selected and submitted to aPDT 3 times a week for 15 days (6 sessions). In each session, 200 mg/L of PDZ gel was applied on the upper prostheses and on the palate of the patients for 20 min, then, illuminated by a light emitting diode at 660 nm (50 J/cm2). Microbiological samples from prostheses and palates were also performed and cultured on Sabouraud Dextrose Agar and Blood Agar. The values of colony forming units per milliliter (CFU/mL) were determined. Standardized photographs of the palates were taken prior the treatment (initial), at the end (final) and until 45 days after the completion of treatments. The results demonstrated that the aPDT treatment reduced Candida spp. and the total microbiota viability at the end of the treatment. For most patients, the CFU/mL values obtained in the last microbiological collection (day 45) were lower than those found before the treatment (initial). Three patients presented clinical resolution of DS (no DS signal) after aPDT treatment. One individual demonstrated reduction in palatal inflammation and another one did not show improvement in the oral lesion. Recurrence of DS was observed in all individuals in the follow-up period. PDZ-mediated aPDT may be a promising treatment for DS. PMID- 29198764 TI - The effect of photodynamic therapy with talaporfin sodium, a second-generation photosensitizer, on oral squamous cell carcinoma: A series of eight cases. AB - OBJECTIVE: To assess the effect of photodynamic therapy (PDT) with talaporfin sodium, a second-generation photosensitizer, on oral squamous cell carcinoma (SCC). METHODS: Eight patients who were diagnosed with oral SCC without any metastasis and underwent talaporfin sodium-mediated PDT (t-PDT) were included in this study. Biopsies were performed 4-6 weeks after t-PDT. The clinical response was evaluated using Response Evaluation Criteria in Solid Tumors. RESULTS: Complete response (CR) was achieved in six of eight cases, and two cases showed partial response (PR) as a clinical outcome of t-PDT. Recurrence occurred in one of the CR cases 9 months after irradiation. The patient underwent tumor resection and no recurrence was found after surgery. The two cases with PR died from the cancer despite additional PDT. CONCLUSION: t-PDT is an effective treatment strategy for oral SCC. Talaporfin sodium has an advantage with regard to early elimination from the body compared with porfimer sodium. PMID- 29198765 TI - Increased Pituitary Volumes in Children after Fontan Operation: Congestion in the Other Portal Circulation. AB - We performed brain magnetic resonance imaging in 40 patients after the Fontan procedure and 40 control subjects. Pituitary volumes in patients after Fontan were significantly larger than those in the control subjects (472 [425-527] vs 257 [182-311]; P < .0001), and were significantly related to central venous pressure. PMID- 29198766 TI - The Adolescent Champion Model: Primary Care Becomes Adolescent-Centered via Targeted Quality Improvement. AB - OBJECTIVE: To evaluate the effects of implementing the Adolescent Champion model, a novel quality improvement program targeted at helping primary care sites become more adolescent-centered. STUDY DESIGN: Nine primary care sites from pediatrics, family medicine, and medicine-pediatrics implemented the Adolescent Champion model. Each site identified a multidisciplinary champion team to undergo training on adolescent-centered care, deliver prepackaged trainings to other staff and providers, make youth-friendly site changes, implement a standardized flow to confidentially screen for risky behaviors, and complete a quality improvement project regarding confidentiality practices. Adolescent patients, staff, and providers were surveyed at baseline, year-end, and 1-year follow-up to assess changes. RESULTS: Adolescent patients' experiences with both their provider and the site overall significantly improved (P values from <.0001 to .004, N = 474 baseline, 386 year-end). Staff perceived an improvement in clinic practices relating to adolescents and in their ability to make institutional and personal change (P < .0001, N = 121 baseline, 109 year-end). The majority of changes were sustained 1-year postintervention. Frequently noted site improvements included: (1) initiating a method to gather feedback from adolescent patients; (2) adding trainings on confidentiality, cultural humility, and using a nonjudgmental approach; (3) updating immunizations at every visit; and (4) training providers in long acting reversible contraception via implant training. CONCLUSIONS: Implementing the Adolescent Champion model successfully helped primary care sites become more adolescent-centered. Further studies are needed to evaluate the effects of this model on patient outcomes. PMID- 29198767 TI - Ultrasonographic Quantitative Analysis of Fatty Pancreas in Obese Children: Its Correlation with Metabolic Syndrome and Homeostasis Model Assessment of Insulin Resistance. AB - OBJECTIVES: To evaluate pancreatic echogenicity on transabdominal ultrasonography and the correlation of fatty pancreas with metabolic syndrome (MetS), as well as insulin resistance (homeostasis model assessment of insulin resistance [HOMA IR]). STUDY DESIGN: This retrospective study included 135 obese children and adolescents who underwent transabdominal ultrasonography from January 2015 to December 2015. Fatty pancreas was quantitatively analyzed using the pancreato perihepatic fat index (PPHFI). The correlation between the PPHFI and HOMA-IR was analyzed, and multivariate logistic regression analysis was used to determine factors that were independently correlated with MetS. Receiver operating characteristic curve analysis was performed to determine the best cut-off value of the PPHFI for diagnosing MetS. RESULTS: The PPHFI and the HOMA-IR value were significantly higher in subjects with MetS than in those without MetS (P < .0001). The PPHFI also showed an association with the HOMA-IR value (r = 0.70; P <.0001). The PPHFI was an independent factor for diagnosing MetS (OR 4.36; P = .032). The best cut-off value for the PPHFI for a diagnosis of MetS was 2.34 with a sensitivity of 0.96 and specificity 0.70. CONCLUSIONS: These results suggest that an increased PPHFI is significantly correlated with MetS and insulin resistance, and that the PPHFI may be a useful indicator for diagnosing MetS in obese children and adolescents. The impact of the presence of fatty pancreas in obese children and adolescents must be evaluated. PMID- 29198768 TI - Combination oral and mechanical bowel preparations decreases complications in both right and left colectomy. AB - BACKGROUND: Before elective colectomy, many advocate mechanical bowel preparation with oral antibiotics, whereas enhanced recovery pathways avoid mechanical bowel preparations. The optimal preparation for right versus left colectomy is also unclear. We sought to determine which strategy for bowel preparation decreases surgical site infection (SSI) and anastomotic leak (AL). METHODS: Elective colectomies from the National Surgical Quality Improvement Program colectomy database (2012-2015) were divided by (1) type of bowel preparation: no preparation (NP), mechanical preparation (MP), oral antibiotics (PO), or mechanical and oral antibiotics (PO/MP); and (2) type of colonic resection: right, left, or segmental colectomy. Univariate and multivariate analyses identified predictors of SSI and AL, and their risk-adjusted incidence was determined by logistic regression. RESULTS: When analyzed as the odds ratio compared with NP, the PO and PO/MP groups were associated with a decrease in SSI (PO = 0.70 [0.55-0.88] and PO/MP = 0.47 [0.42-0.53]; P < .01). Use of PO/MP was associated with a decrease in SSI across all types of resections (right colectomy = 0.40 [0.33-0.50], left colectomy = 0.57 [0.47-0.68], and segmental colectomy = 0.43 (0.34-0.54); P < .01). Similarly, use of PO/MP was associated with a decrease in AL in left colectomy = 0.50 ([0.37-0.69]; P < .01) and segmental colectomy = 0.53 ([0.36-0.80]; P < .01). CONCLUSION: Mechanical bowel preparation with oral antibiotics is the preferred preoperative preparation strategy in elective colectomy because of decreased incidence of SSI and AL. PMID- 29198769 TI - Subtyping of primary aldosteronism with adrenal vein sampling: Hormone- and side specific effects of cosyntropin and metoclopramide. AB - BACKGROUND: Cosyntropin and metoclopramide can affect the subtyping of primary aldosteronism when used with adrenal vein sampling by exerting hormone- and side specific effects on cortisol and aldosterone secretion. We investigated how these stimuli affect the selectivity index, the relative aldosterone secretion index, and the lateralization index in consecutive primary aldosteronism patients submitted to adrenal vein sampling. METHODS: We recruited 171 patients; of these, 149 underwent adrenal vein sampling before and after stimulation with cosyntropin (250 ug intravenous bolus, n= 53, 73% with an aldosterone-producing adenoma) or with metoclopramide (10 mg intravenous bolus, n= 96, 65% aldosterone-producing adenoma), and 32 with an aldosterone-producing adenoma were investigated for the relative gene expression of dopamine, melanocortin 2, and 5-hydroxytryptamine (serotonin) 4 receptor with microarrays. Cosyntropin increased the selectivity index similarly on both sides; metoclopramide did not. Cosyntropin decreased relative aldosterone secretion index on the aldosterone-producing adenoma side but not contralaterally. Metoclopramide did not affect the selectivity index, but increased the relative aldosterone secretion index similarly on both sides. Because of these changes, cosyntropin decreased the lateralization index, while metoclopramide did not affect it. The relative gene expression of melanocortin 2, albeit heterogeneous across tumors, was 35% less (P<.0001) in aldosterone producing adenoma than in the normal adrenal cortex, while dopamine receptor D2 and 5-hydroxytryptamine (serotonin) 4 receptors did not differ between tissues. CONCLUSION: Cosyntropin, while facilitating ascertainment of selectivity, lessens the lateralization, likely because of a blunted melanocortin 2 expression in aldosterone-producing adenoma. The similar expression of dopamine and 5 hydroxytryptamine (serotonin) 4 receptors in aldosterone-producing adenoma and the normal adrenal cortex can explain why metoclopramide increased the relative aldosterone secretion index on both sides and, therefore, failed to increase the lateralization index. PMID- 29198771 TI - Discussion. PMID- 29198770 TI - Preoperative enteral access is not necessary prior to multimodality treatment of esophageal cancer. AB - BACKGROUND: Surgical enteral access prior to multimodality treatment for esophageal cancer is controversial as dysphagia is often used for feeding tube referral. We hypothesized that enteral access before neoadjuvant chemoradiation for esophageal cancer provides no benefit compared to that placed during definitive esophagectomy. METHODS: Patients undergoing esophagectomy for esophageal malignancy from 2007 - 2014 were retrospectively identified. Clinicopathologic factors were recorded including preoperative enteral access, weight change, nutritional laboratory works, and perioperative complications. RESULTS: Of 156 identified patients, 99 (63.5%) received neoadjuvant chemoradiation and comprised the study cohort. Fifty (50.5%) underwent enteral access (gastrostomy [14], jejunostomy [32], other [4]; "Access Group") prior to chemoradiation followed by esophagectomy and were compared to 49 "No-Access" patients who underwent enteral access during esophagectomy. Clinicopathologic variables were similar between cohorts. The Access and No-Access cohorts had similar reported dysphagia (86% vs 75.5%, respectively; P = .2) and mean preesophagectomy serum albumin (3.9 vs 4 gm/dL, respectively; P = .2). Weight loss +/- 6-month periesophagectomy was similar between access versus No-Access cohorts (-11.2% vs -15.4%, respectively; P = .1). Weight loss during this period was likewise similar for patients with dysphagia in the Access (-11%) versus No Access group (-15.2%, P = .1). No difference in complication rates was noted between Access (64%) and No-Access groups (51%, P = .2). CONCLUSION: Despite healthcare provider bias, there seems to be no nutritional or perioperative benefit for enteral access before neoadjuvant chemoradiation for esophageal malignancy. Patients with esophageal malignancy should therefore proceed to appropriate neoadjuvant and surgical therapy with enteral access performed during definitive resection or reserved for those with frank obstruction on endoscopy. PMID- 29198772 TI - Human Papillomavirus Vaccine-Related Risk Perceptions Do Not Predict Sexual Initiation Among Young Women Over 30 Months Following Vaccination. AB - PURPOSE: We examined longitudinally the relationship between human papillomavirus (HPV) vaccine-related risk perceptions and initiation of sexual activity among adolescent women over 30 months after HPV vaccination. METHODS: Participants included 91 sexually inexperienced women aged 13-21 years receiving the HPV vaccine who completed at least three of five study visits. At every visit, participants completed surveys assessing HPV vaccine-related risk perceptions (perceived risk of sexually transmitted infections [STIs] other than HPV, perceived need for safer sexual behaviors), and sexual initiation. Outcomes were sexual initiation and age of sexual initiation. Associations between risk perceptions and outcomes were examined using ordered logistic regression models for sexual initiation and interval censored survival analyses for age of sexual initiation. RESULTS: Mean age at baseline was 14.9 years (standard deviation [SD] 1.4). Most participants perceived themselves to be at risk of STIs other than HPV (mean scale score = 4.0/10; SD 2.1) and perceived a need for safer sexual behaviors (mean scale score = 1.5/10; SD 1.5). By 30 months, 65 participants (78%) initiated sex. Perceived risk of STIs and perceived need for safer sexual behaviors were not associated with sexual initiation or age of sexual initiation. Older age at baseline was associated with sooner sexual initiation (p = .02) and older age at sexual initiation (p < .001). Results of ordered logistic regression and survival analyses were unchanged when controlling for baseline age. CONCLUSIONS: HPV vaccine-related risk perceptions were not associated with sexual initiation or age of sexual initiation, providing further support that HPV vaccine-related risk perceptions are unlikely to lead to riskier sexual behaviors. PMID- 29198773 TI - Sex- and Age-Dependent Differences in Autonomic Nervous System Functioning in Adolescents. AB - PURPOSE: We assessed sex- and age-dependent differences in a cross-sectional analysis of cardiac autonomic nervous system (ANS) regulation during sleep in adolescents. METHODS: Nocturnal heart rate (HR) and heart rate variability (HRV) metrics, reflecting ANS functioning, were analyzed across the night and within undisturbed rapid eye movement (REM) and non-REM sleep in 149 healthy adolescents (12-22 years; 67 female) from the National Consortium on Alcohol and Neurodevelopment in Adolescence. RESULTS: Nocturnal HR was slower in older, more pubertally advanced boys than in younger boys. In girls, HR did not vary according to age or maturity, although overall HRV and vagal modulation declined with age. Although younger boys and girls had similar HR, the male-female HR difference increased by ~2.4 bpm every year (p < .01, higher in older girls). Boys and girls showed expected increases in total HRV across the night but this within-night "recovery" was blunted in girls compared with boys (p < .05). Also, the non-REM and REM difference in HR was greater in girls (p < .01). Models exploring a role of covariates (sleep, mood, reproductive hormones, activity) in influencing HR and HRV showed few significant effects, apart from sedentary activity (higher in older girls), which partially mediated the sex * age interaction in HR. CONCLUSIONS: Sex-related differences in cardiac ANS function emerge during adolescence. The extent to which sex-age divergences in ANS function are adaptive or reflect underlying sex-specific vulnerability for the development of psychopathology and other health conditions in adolescence needs to be determined. PMID- 29198774 TI - Serum melatonin levels during the first seven days of severe sepsis diagnosis are associated with sepsis severity and mortality. AB - OBJECTIVE: Higher serum melatonin levels have previously been found in patients with severe sepsis who died within 30 days of diagnosis than in survivors. The objective of our study were to determine whether serum melatonin levels during the first seven days of severe sepsis diagnosis could be associated with sepsis severity and mortality. METHODS: Multicentre study in eight Spanish Intensive Care Units which enrolled 308 patients with severe sepsis. We determined serum levels of melatonin, malondialdehyde (as biomarker of lipid peroxidation) and tumor necrosis factor-alpha at days 1, 4 and 8 of severe sepsis diagnosis. The study's primary endpoint was 30-day mortality. RESULTS: A total of 103 patients had died and 205 survived at 30 days of severe sepsis diagnosis, with the non survivors presenting higher serum melatonin levels at days 1 (p<0.001), 4 (p<0.001) and 8 (p<0.001) of severe sepsis diagnosis than the survivor patient group. The multiple logistic regression analysis found that serum melatonin levels at days 1, 4 and 8 of severe sepsis diagnosis (p<0.001, p=0.01 and p=0.001, respectively) were associated with mortality adjusted for age, serum lactic acid, SOFA score and diabetes mellitus. CONCLUSIONS: The novel and more interesting findings of our study were that serum melatonin levels during the first seven days of severe sepsis diagnosis are associated with sepsis severity and mortality. PMID- 29198775 TI - Dynamic miRNA-mRNA regulations are essential for maintaining Drosophila immune homeostasis during Micrococcus luteus infection. AB - Pathogen bacteria infections can lead to dynamic changes of microRNA (miRNA) and mRNA expression profiles, which may control synergistically the outcome of immune responses. To reveal the role of dynamic miRNA-mRNA regulation in Drosophila innate immune responses, we have detailedly analyzed the paired miRNA and mRNA expression profiles at three time points during Drosophila adult males with Micrococcus luteus (M. luteus) infection using RNA- and small RNA-seq data. Our results demonstrate that differentially expressed miRNAs and mRNAs represent extensively dynamic changes over three time points during Drosophila with M. luteus infection. The pathway enrichment analysis indicates that differentially expressed genes are involved in diverse signaling pathways, including Toll and Imd as well as orther signaling pathways at three time points during Drosophila with M. luteus infection. Remarkably, the dynamic change of miRNA expression is delayed by compared to mRNA expression change over three time points, implying that the "time" parameter should be considered when the function of miRNA/mRNA is further studied. In particular, the dynamic miRNA-mRNA regulatory networks have shown that miRNAs may synergistically regulate gene expressions of different signaling pathways to promote or inhibit innate immune responses and maintain homeostasis in Drosophila, and some new regulators involved in Drosophila innate immune response have been identified. Our findings strongly suggest that miRNA regulation is a key mechanism involved in fine-tuning cooperatively gene expressions of diverse signaling pathways to maintain innate immune response and homeostasis in Drosophila. Taken together, the present study reveals a novel role of dynamic miRNA-mRNA regulation in immune response to bacteria infection, and provides a new insight into the underlying molecular regulatory mechanism of Drosophila innate immune responses. PMID- 29198776 TI - Insect C-type lectins in innate immunity. AB - C-type lectins (CTLs) are a family of proteins that contain characteristic modules of carbohydrate-recognition domains (CRDs) and they possess the binding activity to ligands in a calcium-dependent manner. CTLs play important roles in animal immune responses, and in insects, they are involved in opsonization, nodule formation, agglutination, encapsulation, melanization, and prophenoloxidase activation, as well as in maintaining gut microbiome homeostasis. In this review, we will summarize insect CTLs, compare the properties of insect CTLs with vertebrate CTLs, and focus mainly on the domain organization and functions of insect CTLs in innate immunity. PMID- 29198777 TI - The cyclin-dependent kinase 2 (CDK2) mediates hematopoiesis through G1-to-S transition in Chinese mitten crab Eriocheir sinensis. AB - Cyclin-dependent kinases (CDKs), a family of cell cycle-related serine/threonine kinases, participate in various biological processes, and play crucial roles in the innate immunity. In the present study, a CDK2 (designed as EsCDK2) with a serine/threonine protein kinase catalytic domain was identified from Chinese mitten crab (Eriocheir sinensis). The full-length cDNA sequence of EsCDK2 was of 2405 bp with an open reading frame (ORF) of 909 bp. EsCDK2 shared 66%-81% sequence similarities with previously identified CDK2s. It was clustered with the CDK2 from Penaeus monodon in the invertebrate branch of the phylogenetic tree. The mRNA transcripts of EsCDK2 were highly expressed in hematopoietic tissue (HPT) and gonad, while lower in hemocytes, heart, gills, and muscle. EsCDK2 protein distributed in both cytoplasm and nucleus of HPT cells. The expression of EsCDK2 mRNA in HPT was significantly up-regulated and peaked at 3 h post stimulations with Aeromonas hydrophila (2.31-fold, p < 0.05) and Lipopolysaccharide (LPS) (2.02-fold, p < 0.05). After exsanguination, the total hemocyte counts (THC) decreased significantly to 0.42 * 107/ml (0.39-fold, p < 0.05) at 0.5 h, then returned to a normal level at 6 h, while the mRNA expression of EsCDK2 in HPT cells was up-regulated at the early phase from 0.5 h to 6 h. After injection of EsCDK2-dsRNA, the mRNA expression level of EsCDK2 in HPT and THC both decreased to 0.53-fold (p < 0.01) and 0.78-fold (p < 0.05) at 24 h, respectively, and the percentage of new-born hemocytes in HPT also decreased significantly from 37.7% to 16.3% (0.43-fold, p < 0.01). After knocking down of EsCDK2, THC decreased dramatically at 6 h (0.65-fold, p < 0.01) post exsanguination, while returned normal at 6 h in PBS group. After interference of EsCDK2 mRNA expression, the percentage of G0-G1 phase cells significantly increased to 85.01% (1.26-fold, p < 0.01), while S phase and G2-M phase cells significantly decreased to 7.92% (0.46-fold, p < 0.01) and 7.07% (0.43-fold, p < 0.01) respectively, indicating that the cell cycle of HPT cells arrested at G1 phase. These results collectively demonstrated that EsCDK2 participated in the regeneration of hemocytes or hematopoiesis by regulating the transition from G1 to S phase in the cell cycle, and involves in the innate immune responses of E. sinensis. PMID- 29198778 TI - Dilated Cardiomyopathy With Short QT Interval Suggests Primary Carnitine Deficiency. PMID- 29198779 TI - Mitotic rate is associated with positive lymph nodes in patients with thin melanomas. AB - BACKGROUND: The American Joint Commission on Cancer will remove mitotic rate from its staging guidelines in 2018. OBJECTIVE: Using a large nationally representative cohort, we examined the association between mitotic rate and lymph node positivity among thin melanomas. METHODS: A total of 149,273 thin melanomas in the National Cancer Database were examined for their association of high-risk features of mitotic rate, ulceration, and Breslow depth with lymph node status. RESULTS: Among 17,204 patients with thin melanomas with data on Breslow depth, ulceration, and mitotic rate who underwent a lymph node biopsy, there was a strong linear relationship between odds of having a positive lymph node and mitotic rate (R2 = 0.96, P < .0001, beta = 3.31). The odds of having a positive node increased by 19% with each 1-point increase in mitotic rate (odds ratio, 1.19; 95% confidence interval, 1.17-1.21). Cases with negative nodes had a mean mitotic rate of 1.54 plus or minus 2.07 mitoses/mm2 compared with 3.30 plus or minus 3.54 mitoses/mm2 for those with positive nodes (P < .0001). LIMITATIONS: The data collected do not allow for survival analyses. CONCLUSIONS: Mitotic rate was strongly associated with the odds of having a positive lymph node and should continue to be reported on pathology reports. PMID- 29198780 TI - Pemphigus and hematologic malignancies: A population-based study of 11,859 patients. AB - BACKGROUND: The association of nonparaneoplastic pemphigus with comorbid hematologic malignancies has yet to be established. OBJECTIVE: To estimate the association between pemphigus and the common types of hematologic malignancies. METHODS: A cross-sectional study was conducted comparing pemphigus patients with age-, sex- and ethnicity-matched control subjects regarding the prevalence of 6 comorbid hematologic malignancies. The study was performed using the computerized database of Clalit Health Services ensuring the availability of 4.5 million patients. RESULTS: The study included 1985 pemphigus patients and 9874 control subjects. The prevalence of chronic leukemia (0.9% vs 0.4%, odds ratio [OR] 2.1, 95% confidence interval [CI] 1.2-3.6), multiple myeloma (0.8% vs 0.4%, OR 2.2, 95% CI 1.2-3.9), and non-Hodgkin lymphoma (1.8% vs 1.2%, OR 1.5, 95% CI 1.0-2.2) was greater in patients with pemphigus than in controls. The association with chronic leukemia remained significant following the adjustment for immunosuppressive therapy (adjusted OR 2.0, 95% CI 1.1-3.7). No significant associations were observed between pemphigus and acute leukemia, Hodgkin lymphoma, myelodysplastic syndrome, and polycythemia vera. LIMITATIONS: Lack of immunopathologic validation of the diagnosis of pemphigus. CONCLUSION: A significant association was observed between pemphigus and chronic leukemia, multiple myeloma, and non-Hodgkin lymphoma. Further research is warranted to establish this observation in other cohorts. PMID- 29198782 TI - Split-thickness skin graft strips obtained with DermaBlade to cover large surgical defects on scalp. PMID- 29198781 TI - Effectiveness of low-level laser therapy in lichen planopilaris. PMID- 29198783 TI - Common Child and Adolescent Cutaneous Infestations and Fungal Infections. AB - Cutaneous infections and infestations are common among children and adolescents. Ectoparasitic infestations affect individuals across the globe. Head lice, body lice, scabies, and infestations with bed bugs are seen in individuals who reside in both resource poor areas and in developed countries. Superficial cutaneous and mucosal candida infections occur throughout the life cycle. Dermatophyte infections of keratin-containing skin and skin structures result in tinea capitis (scalp), tinea corporis (body), tinea pedis (foot), and tinea unguium (nails). Less frequent endemic fungal infections such as blastomycosis, coccidiodomycosis, and histoplasmosis may present with skin findings. This article will describe the epidemiology and transmission of these conditions as well as their clinical manifestations. The approach to diagnosis will be addressed as well as primary prevention and current therapies. PMID- 29198784 TI - Pathogenesis of tuberculosis and other mycobacteriosis. AB - The evolution between Mycobacterium tuberculosis infection and active tuberculosis is multifactorial and involves different biological scales. The synthesis of ESAT-6 or the induction of alveolar macrophage necrosis are key, but to understand it, it is necessary to consider the dynamics of endogenous and exogenous reinfection, drainage of lung parenchyma and respiratory mechanics, local fibrosis processes and blood supply. Paradoxically, the immune response generated by the infection is highly protective (90%) against active tuberculosis, although as it is essentially based on the proliferation of Th1 lymphocytes, it cannot prevent reinfection. Severe immunosuppression can only explain 10% of active tuberculosis cases, while the remainder are attributable to comorbidities, a proinflammatory environment and an unknown genetic propensity. The pathogenic capacity of environmental mycobacteria is discrete, linked to deficits in the innate and acquired immune response. The ability to generate biofilms and the ability of M. ulcerans to generate the exotoxin mycolactone is remarkable. PMID- 29198785 TI - The distribution of tritium in aquatic environments, Lithuania. AB - The aim of this study is to investigate mobile radionuclide tritium (3H or T) activity dynamics in aquatic environments related to Ignalina NPP (INPP) site and water bodies located in remote areas unaffected by the INPP. The 3H excess in the INPP environment was analyzed and compared to the variable 3H background level over the period of operation of the INPP (end of 1983 - end of 2009) and during the initial stage of decommissioning (2010-2017). 3H in the INPP vicinity has been studied in the water of artificial channels related to operation of the INPP and site drainage, in natural surface water bodies and, at a smaller scale, in unconfined groundwater. This study presents an extensive 3H data set extending back to 1980, i.e. before INPP operation started. To assess the contribution of global sources to 3H dynamics, monthly precipitation was also studied, along with water from the Baltic Sea, Curonian Lagoon and Nemunas River were studied as well, all three of these located in the Lithuanian maritime zone. The 3H activity concentration in water was measured using liquid scintillation counting (LSC) techniques (direct counting and counting after enrichment). During the period of INPP operation, 3H from liquid effluent could be clearly observed in discharge channels, occurring in rather low diluted conditions, as well as in Lake Druksiai, the cooling basin, at an even more diluted level. The highest 3H activity concentration in Lake Druksiai was observed in 2003 and reached 201.3 +/ 1.3 TU at a time when 3H activity concentrations in background water bodies was 9.2 +/- 3.5 TU. After the closure of the INPP, the 3H liquid effluent rate reduced by approximately two orders of magnitude (from 1012 Bq in 1991 to 1010 Bq in 2016) and when decommissioning activity commenced then the 3H activity concentration fell to that approaching the background level (19-27 TU) that can still be observed in industrial discharge and rainwater drainage channels. 3H as a result of leakage from the INPP can be observed in groundwater only in direct proximity to the INPP site near the radioactive waste storage zone. PMID- 29198786 TI - The integrated contaminant elution and tracer test toolkit, ICET3, for improved characterization of mass transfer, attenuation, and mass removal. AB - It is evident based on historical data that groundwater contaminant plumes persist at many sites, requiring costly long-term management. High-resolution site-characterization methods are needed to support accurate risk assessments and to select, design, and operate effective remediation operations. Most subsurface characterization methods are generally limited in their ability to provide unambiguous, real-time delineation of specific processes affecting mass-transfer, transformation, and mass removal, and accurate estimation of associated rates. An integrated contaminant elution and tracer test toolkit, comprising a set of local scale groundwater extraction-and injection tests, was developed to ameliorate the primary limitations associated with standard characterization methods. The test employs extended groundwater extraction to stress the system and induce hydraulic and concentration gradients. Clean water can be injected, which removes the resident aqueous contaminant mass present in the higher-permeability zones and isolates the test zone from the surrounding plume. This ensures that the concentrations and fluxes measured within the isolated area are directly and predominantly influenced by the local mass-transfer and transformation processes controlling mass removal. A suite of standard and novel tracers can be used to delineate specific mass-transfer and attenuation processes that are active at a given site, and to quantify the associated mass-transfer and transformation rates. The conceptual basis for the test is first presented, followed by an illustrative application based on simulations produced with a 3-D mathematical model and a brief case study application. PMID- 29198787 TI - Bovine arch anatomy influences recoarctation rates in the era of the extended end to-end anastomosis. AB - OBJECTIVES: Arch branching has never been shown to influence recoarctation after extended end-to-end anastomosis via thoracotomy, yet in each study bovine arch identification is grossly underreported. This study aims to (1) assess chart review reliability in bovine arch identification; (2) determine recoarctation risk with a bovine arch; and (3) explore an anatomic explanation for recurrent arch obstruction based on arch anatomy. PATIENTS: A total of 49 consecutive patients underwent thoracotomy with extended end-to-end aortic coarctation repair at a single institution (2007-2012). METHODS: Echocardiograms from these patients were reviewed for arch anatomy and compared with the echocardiographic reports. Recurrent arch obstruction was defined as an echocardiographic gradient across the repair of 20 mm Hg or greater. For cases with angiographic images (n = 17), a scaled clamping distance between the left subclavian artery and the maximal proximal clamp location on orthogonal projections was then calculated across arch anatomies. RESULTS: Chart review identified 6.1% (3/49) of patients with a bovine arch compared with 28.6% (14/49) on targeted image review. A total of 28.6% (4/14) of patients with a bovine arch had a follow-up gradient of 20 mm Hg or greater. Only 5.7% (2/35) of patients with normal arch branching had a follow-up gradient of 20 mm Hg or greater. The mean clamping index was significantly diminished in patients with bovine arch anatomy. CONCLUSIONS: Arch anatomy often goes undocumented on preoperative imaging, yet children undergoing extended end to-end repair with bovine arch anatomy are at a significantly increased risk of recoarctation. This may be due to a reduced clampable distance to facilitate repair. These results should be considered in the preoperative assessment, parental counseling, and surgical approach for children with discrete aortic coarctation. PMID- 29198788 TI - Designing valves: An art or science? PMID- 29198789 TI - Yesterday's heroic measure is now standard procedure: Extracorporeal membrane oxygenation as a bridge to lung transplant. PMID- 29198790 TI - In the mood. PMID- 29198791 TI - Aortic sinus pouch technique for transposition of the great arteries with intramural coronary artery. PMID- 29198792 TI - Thinking outside the duct. PMID- 29198793 TI - Appropriate use: Neither restrictive nor a guideline. PMID- 29198794 TI - Heart Team 2.0: Keep your friends close...and your enemy closer! PMID- 29198795 TI - Is there still a role for balloon dilatation before transcatheter aortic valve replacement-or, indeed, for transaortic access? PMID- 29198796 TI - Commentary on the impacts of postoperative complications on survival after lung cancer surgery. PMID- 29198797 TI - Resection of primary lung cancer with incidental pleural seeding: Seeds of change or reap what you sow? PMID- 29198798 TI - Dual antiplatelet therapy at discharge: Antiplatelet practice patterns after coronary artery bypass grafting, surgical anecdote is driving standard of care. PMID- 29198799 TI - To robot or not to robot: Is that really the question? PMID- 29198800 TI - Timing of surgery for pulmonary embolism: An evolving paradigm. PMID- 29198801 TI - Bicuspid aortic valve-associated aortopathy: A slowly evolving picture. PMID- 29198802 TI - Del Nido cardioplegia: A one stop shot for adult cardiac surgery? PMID- 29198803 TI - Against the tide. PMID- 29198804 TI - Is an aortic tissue valve the best choice for young adults? PMID- 29198805 TI - The quality of quality assessment after atrial fibrillation surgery. PMID- 29198806 TI - Toronto bridges to successful lung transplantation. PMID- 29198807 TI - Use of cutting-edge technology to learn myocardial cutting edge in septal myectomy. PMID- 29198808 TI - Development of rectal self-emulsifying suspension of a moisture-labile water soluble drug. AB - Self-emulsifying drug delivery systems, commonly used for oral delivery of poorly soluble compounds, were used to formulate water soluble but moisture labile compounds for rectal application. The objective was to use the oily phase of the system to formulate a liquid, non-aqueous product while obtaining the advantages of self-emulsification, rapid contact with the rectal mucosa and rapid absorption post-administration. Ceftriaxone was used as a model drug and the human bile salt sodium chenodeoxycholate was used as an absorption enhancer. After preliminary screening of 23 excipients, based on their emulsification ability and emulsion fineness in binary and ternary mixtures, a full factorial design was used to screen different formulations of three preselected excipients. The optimal formulation contained 60% of excipients, namely Capryol 90, Kolliphor EL and Kolliphor PS20 in 4 : 6 : 6 ratio and 40% of a powder blend that included 500 mg of ceftriaxone. Characterization of the system showed that it complied with the requirements for rectal administration, in particular rapid emulsification in a small quantity of liquid. Rabbit bioavailability showed rapid absorption of ceftriaxone, achieving 128% bioavailability compared to powder control formulation. These results demonstrated the potential of self-emulsifying formulations for rectal administration of Class 3 BCS drugs. PMID- 29198809 TI - The effect of mechanical dry coating with magnesium stearate on flowability and compactibility of plastically deforming microcrystalline cellulose powders. AB - Mechanofusion is a dry coating method that can be used to improve the flowability of cohesive powder by coating host particles with a lubricant, for example magnesium stearate (MgSt). It has been shown previously that fragmenting material can under some circumstances be mechanofused with MgSt without impairing compactibility of the powder and without reducing the dissolution rate of the resulting tablets. However, the effects on material with viscoelastic behaviour, known to be sensitive for the negative effects of MgSt, is not known. Therefore, mechanofusion of microcrystalline cellulose (MCC) with MgSt was investigated in this study. Four MCC grades were mechanofused with different MgSt concentrations and process parameters, and the resulting flowability and compactibility were studied. Starting materials and low-shear blended binary mixtures were studied as a reference. Mechanofusion improved the flow properties of small particle size MCC powders (d50 < 78 MUm) substantially, but increasing the MgSt content consequently resulted in weaker tablets. Larger particle size MCC grades, however, fractured under the shear forces during the mechanofusion process and hence their flow properties were decreased. Improvement of the flow properties but also the negative effects on compactibility of small particle size grades were observed even at relatively mild mechanofusion parameters and low lubricant concentrations. PMID- 29198810 TI - Short-duration ocular iontophoresis of ionizable aciclovir prodrugs: A new approach to treat herpes simplex infections in the anterior and posterior segments of the eye. AB - The objective was to investigate (trans)corneal and transscleral iontophoresis of biolabile amino acid ester prodrugs of aciclovir (ACV-X, X = Arg, Gly and Trp) as a means to increase ocular bioavailability of ACV. Prodrugs displayed tissue dependent susceptibility to hydrolysis. Iontophoresis of ACV-Arg, ACV-Gly and ACV Trp (5 mM, 0.5 mA/cm2) for 5 min followed by 55 min passive diffusion resulted in appreciable corneal deposition (21.5 +/- 5.1, 14.1 +/- 2.0 and 5.3 +/- 0.6 nmol/cm2, respectively) and transcorneal permeation (13.9 +/- 1.6, 10.9 +/- 1.8 and 5.7 +/- 0.5 nmol/cm2, respectively) of ACV species. In contrast, passive delivery of ACV across porcine cornea after 1 h was < LOQ (i.e. <0.125 nmol/cm2). Transscleral permeation of ACV-Arg, ACV-Gly and ACV-Trp (9 mM, 1.25 mA/cm2) after iontophoresis for 5 min was 20.4 +/- 3.8, 12.3 +/- 0.3 and 8.4 +/- 0.4 nmol/cm2, respectively - far superior to passive delivery which was again < LOQ. Using intact porcine eye globes, 5 min transscleral iontophoresis of ACV-Gly at 3.75 mA/cm2 resulted in considerable delivery of ACV species to the choroid/retina and vitreous humour (5.7 +/- 2.3 and 11.7 +/- 3.7 nmol/cm2, respectively). Furthermore, the average concentration of ACV species in the whole eyeball (4.5 +/- 1.6 nmol/cm3) was significantly higher than the IC50 of ACV against HSV-1 (<0.22 nmol/cm3), demonstrating the potential application for the treatment of ocular HSV infections. PMID- 29198812 TI - The effect of a radial neck notch on press-fit stem stability: a biomechanical study on 7 cadavers. AB - BACKGROUND: Minimal micromotion is necessary for osteointegration of cementless radial head prostheses. When radial head fractures extend longitudinally, where the neck cut for prosthetic replacement should be made is uncertain. We hypothesized that complete resection of the notched portion of a radial neck confers no advantage in initial stability compared with not resecting the defect and inserting the implant into a notched radial neck. MATERIALS AND METHODS: The radii of 7 cadavers underwent radial head resection and implantation with a 25-mm long press-fit radial head stem. Before implantation, a 5-mm-long notch that was less than 1-mm wide was made in the radial neck. After the stem-bone micromotion was recorded, the proximal 5 mm of radial neck, incorporating the entire notch, was cut away, the stem was inserted 5 mm further, and the resulting micromotion was recorded. RESULTS: The mean micromotion measured in the presence of a cortical notch was 51 +/- 6 um. After the neck was circumferentially cut and the stem was advanced, the micromotion (46 +/- 9 um) was not statistically significantly different. DISCUSSION: Initial stability of an adequately sized cementless stem in the presence of a 5-mm-long cortical notch was well within the threshold needed for bone ingrowth (<100 um). In addition, there was no reduction of micromotion after the notch-containing portion of the radial neck was resected and the stem was advanced. Making a neck cut distal to a 5-mm-long, 1-mm-wide cortical notch does not confer added stability. Thus, surgeons can preserve bone stock and avoid an aggressive neck cut. PMID- 29198811 TI - Preparation of PEGylated liposomes incorporating lipophilic lomeguatrib derivatives for the sensitization of chemo-resistant gliomas. AB - Liposomal delivery is a well-established approach to increase the therapeutic index of drugs, mainly in the field of cancer chemotherapy. Here, we report the preparation and characterization of a new liposomal formulation of a derivative of lomeguatrib, a potent O6-methylguanine-DNA methyltransferase (MGMT) inactivator. The drug had been tested in clinical trials to revert chemoresistance, but was associated with a low therapeutic index. A series of lomeguatrib conjugates with distinct alkyl chain lengths - i.e. C12, C14, C16, and C18 - was synthesized, and the MGMT depleting activity as well as cytotoxicity were determined on relevant mouse and human glioma cell lines. Drug containing liposomes were prepared and characterized in terms of loading and in vitro release kinetics. The lipophilic lomeguatrib conjugates did not exert cytotoxic effects at 5 MUM in the mouse glioma cell line and exhibited a similar MGMT depleting activity pattern as lomeguatrib. Overall, drug loading could be improved by up to 50-fold with the lipophilic conjugates, and the slowest leakage was achieved with the C18 derivative. The present data show the applicability of lipophilic lomeguatrib derivatization for incorporation into liposomes, and identify the C18 derivative as the lead compound for in vivo studies. PMID- 29198813 TI - Preface. PMID- 29198814 TI - A high content imaging flow cytometry approach to study mitochondria in T cells: MitoTracker Green FM dye concentration optimization. AB - Mitochondria, the powerhouse of the cell, are known to remodel their membrane structures through the process of fusion or fission. Studies have indicated that T cells adopt different energy metabolic phenotypes, namely oxidative phosphorylation and glycolysis depending on whether they are naive, effector and memory T cells. It has recently been shown that changes in mitochondrial morphology dictate T cell fate via regulation of their metabolism. Our keen interest in T cell function and metabolism led us to explore and establish a method to study mitochondria in live T cells through a novel high content approach called Imaging Flow Cytometry (IFC). The focus of our current study was on developing a protocol to standardize the concentration of MitoTracker Green FM dye to observe mitochondria in live T cells using IFC. We began the study by using widefield microscopy to confirm the localisation of MitoTracker Green FM labelled mitochondria in live T cells. This was followed by testing various concentrations of the dye to achieve a similar labelling pattern using IFC while eliminating false positive or negative staining. The optimization of the method used to label the mitochondria by IFC for analysis included standardisation of a number of important parameters such as dye concentration, voltage, fluorescence intensity values for acquisition and processing. IFC could potentially be a powerful method to study T cells in a relatively high throughput manner. PMID- 29198815 TI - Voice Profile Recovery and Quality of Life Changes After Microdirect Laryngoscopy in Three Categories of Glottis Lesions: Benign, Precancerous, and Malignant. AB - The aim of the study was comparison of voice and life quality after microdirect laryngoscopy in three patient histopathological categories: benign, precancerous, and malignant glottic lesions. A totalnof 137 patients treated with microdirect laryngoscopy were included in the study. Each patient was evaluated with a multidimensional protocol before and 3, 6, and 12 months after treatment. Final 1 year evaluations were achieved in 74.5% (102). The assessment included laryngovideostroboscopy (LVS), perceptual (GRBAS) grading, aerodynamic measures including maximum phonation time and phonation quotient and acoustic measurements (Kay Elemetrics Multi-Speech program), Voice Handicap Index (VHI), Voice-Related Quality of Life questionnaire; and World Health Organization Quality of Life Scale-Brief Version (WHOQoL-BREF). An improvement in mean value of LVS ratings was obtained in all three groups; however, only in benign lesion group was it consistently statistically significant for each time period (P < 0.001). Perceptual evaluation revealed significant improvement of G, R, and B parameters in benign lesions for each time period. In malignant neoplasms R and B parameters improved 3 and 6 months post microsurgery. In patients with benign lesions the maximum phonation time increased, but the improvement was significant only after 3 months. The acoustic parameters improved in all three groups. VHI significantly improved in patients with benign lesions after 3 and 12 months. VHI in the malignant neoplasm group significantly worsened on the first follow-up visit. Considering quality of life (QoL) results, only in patients with benign lesions was there a significant improvement in overall assessment of their QoL and general health. PMID- 29198816 TI - Association between race/ethnicity and disability status and receipt of vaccines among older adults in Florida. AB - BACKGROUND: Individuals living with a disability or are a member of a certain racial/ethnic group may be at heightened risk for not receiving important vaccinations. OBJECTIVE: This study examined whether race/ethnicity and disability status are associated with the receipt of two vaccines (influenza and pneumococcal) among older adults living in Florida. METHODS: Using the 2011-2015 Florida Behavioral Risk Factor Surveillance System, a cross-sectional survey, we ran bivariate and multivariate analyses to determine the associations for race/ethnicity and disability status with receipt of vaccinations among individuals 65 years and older. Interactions between race/ethnicity and disability status were tested in each model. RESULTS: Among our study sample, 68% received the pneumococcal vaccine in their lifetime and 54% of them received influenza vaccine in the past 12 months. Multivariate logistic regression indicated that Non-Hispanic Blacks and Hispanics were less likely to receive both vaccines compared to Non-Hispanic Whites. Older adults with a disability were more likely to receive influenza and pneumococcal vaccines compared to those without. A significant interaction was observed between race/ethnicity and disability status for predicting pneumococcal vaccination receipt. CONCLUSIONS: Large proportions of older adults in Florida continue to go without needed vaccinations. Although race/ethnicity and disability status were shown to have some association with receipt of vaccines, having a regular source of care, employment and income also were shown to be important predictors. PMID- 29198818 TI - Comparison of General Anesthesia and Conscious Sedation During Computed Tomography-Guided Radiofrequency Ablation of T1a Renal Cell Carcinoma. AB - PURPOSE: Percutaneous radiofrequency ablation is so painful that this treatment requires pain control such as conscious sedation or general anesthesia. It is still unclear which type of anesthesia is better for treatment outcomes of renal cell carcinoma. This study aimed to compare general anesthesia and conscious sedation in treating patients with renal cell carcinoma with radiofrequency ablation. METHODS: Between 2010 and 2015, 51 patients with biopsy-proven renal cell carcinomas (<4 cm) were treated with computed tomography-guided radiofrequency ablation. General anesthesia was performed in 41 and conscious sedation was performed in 10 patients. Tumour size, local tumour progression, metastasis, major complication, effective dose, glomerular filtration rate difference, and recurrence-free survival rate were compared between these groups. RESULTS: The mean tumour size was 2.1 cm in both groups (P = .673). Local tumour progression occurred in 0% (0 of 41) of the general anesthesia group, but in 40% (4 of 10) of the conscious sedation group (P = .001). Metastases in these groups occurred in 2.4% (1 of 41) of the general anesthesia group and 20% (2 of 10) of the conscious sedation group (P = .094). No major complications developed in either group after the first radiofrequency ablation session. The mean effective doses in these groups were 21.7 mSv and 21.2 mSv, respectively (P = .868). The mean glomerular filtration rate differences in the general anesthesia and conscious sedation groups were -13.5 mL/min/1.73 m2 and -19.1 mL/min/1.73 m2, respectively (P = .575). Three-year recurrence-free survival rates in these groups were 97.6% and 60.0%, respectively (P = .001). CONCLUSIONS: General anesthesia may provide better intermediate outcomes than conscious sedation in treating small renal cell carcinomas with radiofrequency ablation. PMID- 29198817 TI - Whole specimen intraoperative frozen section analysis. Experience with 1082 basal cell carcinomas. AB - BACKGROUND: Basal cell carcinomas (BCCs) excised leaving positive tumour margins, are at a higher risk of recurrence. Accordingly, complete tumour removal with preservation of healthy tissue, aiming for low recurrence rates, is the main goal in treating BCCs. OBJECTIVE: The present study aimed to identify the reliability of the Whole Specimen Intraoperative Frozen Section Analysis (WIFSA) technique by comparing intraoperative WIFSA and postoperative Formalin-Fixed Paraffin-Embedded section analysis (FFPE) results in 1082 basal cell carcinomas and by assessing the recurrence rates during a follow-up period up to 10 years. METHODS: A single centre retrospective cohort of all patients with BCC of the face receiving surgical excision with the WIFSA method between January 2007 and December 2013 was evaluated. We compared the intraoperative frozen section results with postoperative FFPE in order to assess accuracy of the WIFSA. Recurrence rates were assessed among all BCCs with a tumour-free margin at final excision that had a minimum follow-up of 6 months. RESULTS: A total of 996 patients with 1082 BCCs were treated with the WIFSA. Overall agreement of WIFSA with conventional postoperative FFPE was 98.8%, sensitivity and specificity being 99.0% and 98.7% respectively. We excluded 23 BCCs that still had positive tumour margins at the end of the procedure and another 67 for the analysis of recurrence rate because follow-up was shorter than 6 months. A total of 992 BCCs with a tumour-free margin at final excision had a mean follow-up of 5.6 years (mean 67 +/- 27.7 months (range 6-117 months)). The total recurrence rate was 2.1% (21 out of 992 BCCs). The recurrence rate among the primary tumours was 1.6% (13 out of 828 cases) and 4.9% among the recurring tumours (8 out of 164 cases). CONCLUSION: This study indicates that, in patients with primary or recurring BCCs, WIFSA provides a high accuracy for intraoperative specimen analysis and has a low recurrence rate after a mean follow-up of 5.6 years. FUNDING: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. PMID- 29198819 TI - A Day in the Life of MRI: The Variety and Appropriateness of Exams Being Performed in Canada. AB - PURPOSE: This study aimed to determine the volumes and types of magnetic resonance imaging exams being performed across Canada, common indications for the exams, and exam appropriateness using multiple evaluation tools. METHODS: Thirteen academic medical institutions across Canada participated. Data were obtained relating to a single common day, October 1, 2014. Patient demographics, type by anatomic region and indication for imaging were analysed. Each exam was assessed for appropriateness via the Canadian Association of Radiologists Referral Guidelines and the American College of Radiology Appropriateness Criteria. The Alberta and Saskatchewan spine screening forms and the Alberta knee screening form were also used where applicable. The proportion of exams that were unscorable, appropriate, and inappropriate was determined. Exam-level results were compared between the 2 main evaluation tools. RESULTS: Data were obtained for 1087 relevant exams. There were 591 women and 460 men. 36 requisitions did not indicate the patient's sex. Brain exams were the most common, comprising 32.5% of the sample. Cancer was the most common indication. Overall, 87.0%-87.4% of the MR exams performed were appropriate; 6.6%-12.6% were inappropriate, based on the 2 main evaluation tools. Results differed by anatomic region; spine exams had the highest proportion, with nearly one-third of exams deemed inappropriate. CONCLUSION: Variations by anatomic region indicate that focused exam request evaluation or screening methods could substantially reduce inappropriate imaging. PMID- 29198820 TI - Resveratrol improves efficacy of oral amoxicillin against childhood fast breathing pneumonia in a randomized placebo-controlled double blind clinical trial. AB - Childhood pneumonia has been considered as a major cause of child morbidity and mortality worldwide. We aimed to investigate the effect of resveratral in synergizing with oral amoxicillin to improve the treatment outcome of oral amoxicillin administration against childhood fast breathing pneumonia. 647 children diagnosed fast breathing pneumonia were recruited and randomized to receive oral amoxicillin plus either resveratrol (AX + RV) or placebo (AX + placebo). The primary outcome was defined as treatment failure up to day 3, while the secondary outcome was defined as treatment failure at day 6 and 12 upon follow up. Incidences of treatment failure up to day 3 was significantly lower in the AX + RV group than the AX + placebo group. From day 6-12, the incidences of treatment failure were increased in both treatment groups. However, treatment failure cases were still much lower in the AX + RV group on both revisits. No serious adverse reaction to treatment drugs were found in either of the two groups. Resveratrol improves efficacy of oral amoxicillin against childhood fast breathing pneumonia, supporting the clincial potential of reseveratrol as a potent adjuvent of oral amoxicillin in the treatment of childhood pneumonia with no adverse effects. PMID- 29198821 TI - In vitro antagonistic activity and the protective effect of probiotic Bacillus licheniformis Dahb1 in zebrafish challenged with GFP tagged Vibrio parahaemolyticus Dahv2. AB - In vitro antagonistic activity and the protective effect of probiotic Bacillus licheniformis Dahb1 in zebrafish (Danio rerio) challenged with GFP tagged Vibrio parahaemolyticus Dahv2 was studied. The cell free extract of probiotic B. licheniformis Dahb1 at 100 MUg mL-1 showed growth inhibition of V. parahaemolyticus Dahv2 in vitro. B. licheniformis Dahb1 also inhibited the biofilm growth of GFP tagged V. parahaemolyticus Dahv2 at 100 MUg mL-1 in vitro. The growth and survival of zebrafish was tested using probiotic B. licheniformis Dahb1. Weight (1.28 g) of zebrafish that received the cell free extract was much higher than in control (1.04 g). The mortality of zebrafish infected with GFP tagged V. parahaemolyticus Dahv2 at 107 Cfu mL-1 (Group IV) was 100%, whereas a complete survival of zebrafish that received the cell free extract of B. licheniformis Dahb1 at 107 Cfu mL-1 (Group VII) was observed after 30 days. The number of GFP tagged V. parahaemolyticus Dahv2 colonies in the intestine and gills significantly reduced after treatment with the cell free extract of B. licheniformis Dahb1. Furthermore, a significant decrease in the fluorescent colonies of GFP tagged V. parahaemolyticus Dahv2 was observed after treatment with the cell free extract of B. licheniformis Dahb1 under confocal laser scanning microscopy (CLSM). In conclusion, the cell free extract of B. licheniformis Dahb1 could prevent Vibrio infection by enhancing the growth and survival of zebrafish. PMID- 29198822 TI - Up-regulation of chemokine CXCL13 in systemic candidiasis. AB - Candida albicans is the leading cause of healthcare associated bloodstream infections. Chemokine CXCL13 is well-known involved in inflammation, but its role in candidemia has not been assessed. Our study firstly demonstrated that serum CXCL13 levels were significantly elevated in candidemic patients compared with bacteremic patients and control subjects by ELISA, and CXCL13 concentrations were positively and significantly correlated with clinical Sequential Organ Failure Assessment (SOFA) scores and several laboratory parameters in patients. Moreover, ROC curve analysis showed the diagnostic efficiency of CXCL13 was superior to CRP and PCT. To further study the role of CXCL13, a mouse model was established. Importantly, the data showed the dramatically elevated levels of CXCL13 in mice serum and infected kidney, were significantly correlated with renal fungal burden and pathology scores. In conclusion, our results indicated that CXCL13 had strong potential as a novel biomarker of diagnosis and prognosis for candidemia. PMID- 29198823 TI - microRNA-184 Induces a Commitment Switch to Epidermal Differentiation. AB - miR-184 is a highly evolutionary conserved microRNA (miRNA) from fly to human. The importance of miR-184 was underscored by the discovery that point mutations in miR-184 gene led to corneal/lens blinding disease. However, miR-184-related function in vivo remained unclear. Here, we report that the miR-184 knockout mouse model displayed increased p63 expression in line with epidermal hyperplasia, while forced expression of miR-184 by stem/progenitor cells enhanced the Notch pathway and induced epidermal hypoplasia. In line, miR-184 reduced clonogenicity and accelerated differentiation of human epidermal cells. We showed that by directly repressing cytokeratin 15 (K15) and FIH1, miR-184 induces Notch activation and epidermal differentiation. The disease-causing miR-184C57U mutant failed to repress K15 and FIH1 and to induce Notch activation, suggesting a loss of-function mechanism. Altogether, we propose that, by targeting K15 and FIH1, miR-184 regulates the transition from proliferation to early differentiation, while mis-expression or mutation in miR-184 results in impaired homeostasis. PMID- 29198824 TI - Inhibition of Farnesyltransferase Potentiates NOTCH-Targeted Therapy against Glioblastoma Stem Cells. AB - Accumulating evidence suggests that cancer cells with stem cell-like phenotypes drive disease progression and therapeutic resistance in glioblastoma (GBM). NOTCH regulates self-renewal and resistance to chemoradiotherapy in GBM stem cells. However, NOTCH-targeted gamma-secretase inhibitors (GSIs) exhibited limited efficacy in GBM patients. We found that farnesyltransferase inhibitors (FTIs) significantly improved sensitivity to GSIs. This combination showed significant antineoplastic and radiosensitizing activities in GBM stem cells, whereas non stem GBM cells were resistant. These combinatorial effects were mediated, at least partially, through inhibition of AKT and cell-cycle progression. Using subcutaneous and orthotopic GBM models, we showed that the combination of FTIs and GSIs, but not either agent alone, significantly reduced tumor growth. With concurrent radiation, this combination induced a durable response in a subset of orthotopic tumors. These findings collectively suggest that the combination of FTIs and GSIs is a promising therapeutic strategy for GBM through selectively targeting the cancer stem cell subpopulation. PMID- 29198825 TI - Coupling between Myogenesis and Angiogenesis during Skeletal Muscle Regeneration Is Stimulated by Restorative Macrophages. AB - In skeletal muscle, new functions for vessels have recently emerged beyond oxygen and nutrient supply, through the interactions that vascular cells establish with muscle stem cells. Here, we demonstrate in human and mouse that endothelial cells (ECs) and myogenic progenitor cells (MPCs) interacted together to couple myogenesis and angiogenesis in vitro and in vivo during skeletal muscle regeneration. Kinetics of gene expression of ECs and MPCs sorted at different time points of regeneration identified three effectors secreted by both ECs and MPCs. Apelin, Oncostatin M, and Periostin were shown to control myogenesis/angiogenesis coupling in vitro and to be required for myogenesis and vessel formation during muscle regeneration in vivo. Furthermore, restorative macrophages, which have been previously shown to support myogenesis in vivo, were shown in a 3D triculture model to stimulate myogenesis/angiogenesis coupling, notably through Oncostatin M production. Our data demonstrate that restorative macrophages orchestrate muscle regeneration by controlling myogenesis/angiogenesis coupling. PMID- 29198826 TI - TRIM28 and Interacting KRAB-ZNFs Control Self-Renewal of Human Pluripotent Stem Cells through Epigenetic Repression of Pro-differentiation Genes. AB - Reprogramming to induced pluripotent stem cells (iPSCs) and differentiation of pluripotent stem cells (PSCs) are regulated by epigenetic machinery. Tripartite motif protein 28 (TRIM28), a universal mediator of Kruppel-associated box domain zinc fingers (KRAB-ZNFs), is known to regulate both processes; however, the exact mechanism and identity of participating KRAB-ZNF genes remain unknown. Here, using a reporter system, we show that TRIM28/KRAB-ZNFs alter DNA methylation patterns in addition to H3K9me3 to cause stable gene repression during reprogramming. Using several expression datasets, we identified KRAB-ZNFs (ZNF114, ZNF483, ZNF589) in the human genome that maintain pluripotency. Moreover, we identified target genes repressed by these KRAB-ZNFs. Mechanistically, we demonstrated that these KRAB-ZNFs directly alter gene expression of important developmental genes by modulating H3K9me3 and DNA methylation of their promoters. In summary, TRIM28 employs KRAB-ZNFs to evoke epigenetic silencing of its target differentiation genes via H3K9me3 and DNA methylation. PMID- 29198827 TI - Systematic Three-Dimensional Coculture Rapidly Recapitulates Interactions between Human Neurons and Astrocytes. AB - Human astrocytes network with neurons in dynamic ways that are still poorly defined. Our ability to model this relationship is hampered by the lack of relevant and convenient tools to recapitulate this complex interaction. To address this barrier, we have devised efficient coculture systems utilizing 3D organoid-like spheres, termed asteroids, containing pre-differentiated human pluripotent stem cell (hPSC)-derived astrocytes (hAstros) combined with neurons generated from hPSC-derived neural stem cells (hNeurons) or directly induced via Neurogenin 2 overexpression (iNeurons). Our systematic methods rapidly produce structurally complex hAstros and synapses in high-density coculture with iNeurons in precise numbers, allowing for improved studies of neural circuit function, disease modeling, and drug screening. We conclude that these bioengineered neural circuit model systems are reliable and scalable tools to accurately study aspects of human astrocyte-neuron functional properties while being easily accessible for cell-type-specific manipulations and observations. PMID- 29198830 TI - [Balance and gait problems related to frailty in physically active older women]. PMID- 29198828 TI - Altered Differentiation Potential of Gaucher's Disease iPSC Neuronal Progenitors due to Wnt/beta-Catenin Downregulation. AB - Gaucher's disease (GD) is an autosomal recessive disorder caused by mutations in the GBA1 gene, which encodes acid beta-glucocerebrosidase (GCase). Severe GBA1 mutations cause neuropathology that manifests soon after birth, suggesting that GCase deficiency interferes with neuronal development. We found that neuronopathic GD induced pluripotent stem cell (iPSC)-derived neuronal progenitor cells (NPCs) exhibit developmental defects due to downregulation of canonical Wnt/beta-catenin signaling and that GD iPSCs' ability to differentiate to dopaminergic (DA) neurons was strikingly reduced due to early loss of DA progenitors. Incubation of the mutant cells with the Wnt activator CHIR99021 (CHIR) or with recombinant GCase restored Wnt/beta-catenin signaling and rescued DA differentiation. We also found that GD NPCs exhibit lysosomal dysfunction, which may be involved in Wnt downregulation by mutant GCase. We conclude that neuronopathic mutations in GCase lead to neurodevelopmental abnormalities due to a critical requirement of this enzyme for canonical Wnt/beta-catenin signaling at early stages of neurogenesis. PMID- 29198829 TI - Generation of Induced Progenitor-like Cells from Mature Epithelial Cells Using Interrupted Reprogramming. AB - A suitable source of progenitor cells is required to attenuate disease or affect cure. We present an "interrupted reprogramming" strategy to generate "induced progenitor-like (iPL) cells" using carefully timed expression of induced pluripotent stem cell reprogramming factors (Oct4, Sox2, Klf4, and c-Myc; OSKM) from non-proliferative Club cells. Interrupted reprogramming allowed controlled expansion yet preservation of lineage commitment. Under clonogenic conditions, iPL cells expanded and functioned as a bronchiolar progenitor-like population to generate mature Club cells, mucin-producing goblet cells, and cystic fibrosis transmembrane conductance regulator (CFTR)-expressing ciliated epithelium. In vivo, iPL cells can repopulate CFTR-deficient epithelium. This interrupted reprogramming process could be metronomically applied to achieve controlled progenitor-like proliferation. By carefully controlling the duration of expression of OSKM, iPL cells do not become pluripotent, and they maintain their memory of origin and retain their ability to efficiently return to their original phenotype. A generic technique to produce highly specified populations may have significant implications for regenerative medicine. PMID- 29198831 TI - The Development of Left Ventricular Hypertrophy in Patients With Left-Sided Obstructive Lesions: Are Genetics at Play? PMID- 29198832 TI - Extracorporeal Membrane Oxygenation: An Expanding Role in Cardiovascular Care. PMID- 29198834 TI - Evaluation of Colorectal Cancer Screening in Federally Qualified Health Centers. AB - INTRODUCTION: Screening for colorectal cancer in average-risk adults is recommended beginning at age 50 years and continuing until age 75 years. This study was conducted to provide evidence for the effectiveness of an American Cancer Society grant program promoting colorectal cancer screening by implementing evidence-based interventions proven to increase screening rates. METHODS: Analysis compared colorectal cancer screening rates in 77 grant-funded federally qualified health centers between 2013 and 2015 to those of a sample of 77 nonfunded federally qualified health centers selected using a genetic matching technique. The Uniform Data System from 2013 to 2015 provided data used in the analysis performed in 2016. RESULTS: Funded grantees differed significantly from nongrantees on several indicators at baseline. Genetic matching resulted in good quality matched samples. Both matched samples increased colorectal cancer screening rates over time. Grantees increased their colorectal cancer screening rates significantly more than nongrantees, especially between 2013 and 2014, where funded federally qualified health centers increased by 9% and nonfunded federally qualified health centers increased by 3%. Across the 3 years, increases were 12% and 9%, respectively. CONCLUSIONS: The findings suggest grant funding was effective in promoting improvements in colorectal cancer screening rates in funded federally qualified health centers, and these improvements exceed those of nonfunded federally qualified health centers. Funding that results in targeted, intensive efforts supported by technical assistance and accountability for data and reporting, can result in improved system policies and practices that, in turn, can increase screening rates among uninsured and underserved populations. PMID- 29198833 TI - Cardiovascular Risk After Kawasaki Disease - Findings From an Australian Case Control Study. PMID- 29198835 TI - Cinnamomum burmanini Blume increases bone turnover marker and induces tibia's granule formation in ovariectomized rats. AB - BACKGROUND: Bone fragility and an increase in susceptibility to fracture osteoporosis is characterized by a reduction in bone mass and the micro architectural deterioration of bone tissue. There is no previous study regarding the effect of Cinnamomum burmanini Blume on osteoporosis. OBJECTIVE: This study was aimed to investigate the effect of C. burmanini Blume on bone turnover marker, mineral elements, and mesostructure of ovariectomized rats. MATERIALS AND METHODS: Thirty female Wistar rats were randomly divided into five groups, which included a control group (sham surgery), ovariectomy group (OVX), and ovariectomy groups in the presence of ethanolic extract of C. burmanini Blume (EECB) at doses of 12.5; 25; 50 mg/kg body weight (BW). Analysis of serum C-telopeptide collagen type I (CTX) and osteocalcin (OC) were done by enzyme-linked immunosorbent assay (ELISA). Tibia mineral elements and mesostructure were analyzed by X-ray Fluorescence and Scanning Electron Microscopy, respectively. In silico study was performed by modeling protein structure using SWISS-MODEL server and Ramachandran plot analysis. RESULTS: The increase in OC and CTX were significantly attenuated by treatments of EECB. Ovariectomy significantly decreased Cu/Zn ratio compared to sham-operated rats (p < 0.05). Mesostructure of ovariectomized rats was significantly different compared with the control group. CONCLUSION: Cinnamon was able to normalize bone turnover markers, but, the mesostructure of hydroxyapatite crystal growth was achieved at the highest dose extract. In silico study showed that the active compound of EECB could not only support osteoclastogenesis process by decreasing the binding energy between RANKL and RANK, but also by inhibiting the interaction between OPG and RANK. PMID- 29198837 TI - Pareto-optimal reversed-phase chromatography separation of three insulin variants with a solubility constraint. AB - With the shift of focus of the regulatory bodies, from fixed process conditions towards flexible ones based on process understanding, model-based optimization is becoming an important tool for process development within the biopharmaceutical industry. In this paper, a multi-objective optimization study of separation of three insulin variants by reversed-phase chromatography (RPC) is presented. The decision variables were the load factor, the concentrations of ethanol and KCl in the eluent, and the cut points for the product pooling. In addition to the purity constraints, a solubility constraint on the total insulin concentration was applied. The insulin solubility is a function of the ethanol concentration in the mobile phase, and the main aim was to investigate the effect of this constraint on the maximal productivity. Multi-objective optimization was performed with and without the solubility constraint, and visualized as Pareto fronts, showing the optimal combinations of the two objectives productivity and yield for each case. Comparison of the constrained and unconstrained Pareto fronts showed that the former diverges when the constraint becomes active, because the increase in productivity with decreasing yield is almost halted. Consequently, we suggest the operating point at which the total outlet concentration of insulin reaches the solubility limit as the most suitable one. According to the results from the constrained optimizations, the maximal productivity on the C4 adsorbent (0.41 kg/(m3 column h)) is less than half of that on the C18 adsorbent (0.87 kg/(m3 column h)). This is partly caused by the higher selectivity between the insulin variants on the C18 adsorbent, but the main reason is the difference in how the solubility constraint affects the processes. Since the optimal ethanol concentration for elution on the C18 adsorbent is higher than for the C4 one, the insulin solubility is also higher, allowing a higher pool concentration. An alternative method of finding the suggested operating point was also evaluated, and it was shown to give very satisfactory results for well-mapped Pareto fronts. PMID- 29198838 TI - Another step in the journey: From CFTR mutation to sweat chloride concentration to survival. PMID- 29198836 TI - Facile synthesis of amine-functional reduced graphene oxides as modified quick, easy, cheap, effective, rugged and safe adsorbent for multi-pesticide residues analysis of tea. AB - Amine-functional reduced graphene oxide (amine-rGO) with different carbon chain length amino groups were successfully synthesized. The graphene oxides (GO) reduction as well as amino grafting were achieved simultaneously in one step via a facile solvothermal synthetic strategy. The obtained materials were characterized by X-ray diffraction, Raman spectroscopy, Fourier-transform infrared spectrometry and X-ray photoelectron spectroscopy to confirm the modification of GO with different amino groups. The adsorption performance of catechins and caffeine from tea acetonitrile extracts on different amine functional rGO samples were evaluated. It was found that tributylamine-functional rGO (tri-BuA-rGO) exhibited the highest adsorption ability for catechins and caffeine compared to GO and other amino group functional rGO samples. It was worth to note that the adsorption capacity of catechins on tri-BuA-rGO was 11 times higher than that of GO (203.7mgg-1 vs 18.7mgg-1). Electrostatic interaction, pi-pi interaction and surface hydrophilic-hydrophobic properties of tri-BuA-rGO played important roles in the adsorption of catechins as well as caffeine. The gravimetric analysis confirmed that the tri-BuA-rGO achieved the highest efficient cleanup preformance compared with traditional dispersive solid phase extraction (dSPE) adsorbents like primary-secondary amine (PSA), graphitized carbon black (GCB) or C18. A multi-pesticides analysis method based on tri-BuA-rGO is validated on 33 representative pesticides in tea using gas chromatography coupled to tandem mass spectrometry or high-performance liquid chromatography coupled with tandem mass spectrometry. The analysis method gave a high coefficient of determination (r2>0.99) for each pesticide and satisfactory recoveries in a range of 72.1-120.5%. Our study demonstrated that amine functional rGO as a new type of QuEChERS adsorbent is expected to be widely applied for analysis of pesticides at trace levels. PMID- 29198839 TI - Notch-mediated Sox9+ cell activation contributes to kidney repair after partial nephrectomy. AB - AIMS: Partial nephrectomy is a surgical technique as an alternative for traditional radical nephrectomy. The advantage of partial nephrectomy technique is nephron-sparing, however, whether the remaining kidney tissue could regenerate the lost nephron is still unknown. The current work is to investigate the kidney tissue repair process and the related cellular and molecular mechanism. MAIN METHODS: We used a novel unilateral partial nephrectomy mouse model to study kidney repair, and focused on a population of Sox9+ progenitor cells to study their pivotal role in the regenerative process. Kidney function after nephrectomy was measured using creatinine and urea nitrogen assay kit. Wound healing was assessed by Masson Trichrome Staining. Tissue regeneration was tested by Sox9+ cells immunofluorescence staining. The differentiation potential of Sox9+ cells were assessed by immunoanalysis with various tubular cell markers. Notch activation was determined by qPCR and Western blotting. KEY FINDINGS: After partial nephrectomy, we found that massive Sox9+ cells emerged one day after the surgery and lasted for up to 20days. The Sox9+ cells had proliferative capacity and could give rise to epithelial cells of proximal tubule, Henle's loop, distal tubule, collecting duct, and the parietal layer of glomerulus. We also found that the activation of Sox9+ cells was mediated by Notch signaling pathway. SIGNIFICANCE: The current study reveals that Notch-mediated Sox9+ cell activation can contribute to kidney tubule regeneration after unilateral partial nephrectomy in mice. PMID- 29198840 TI - Isolation of saprophytic Leptospira spp. from a selected environmental water source of Argentina. AB - Ten Leptospira spp. strains were isolated from water samples from Nievas stream, Olavarria, Buenos Aires province (Argentina). The isolates showed the typical motility and morphology of the genus Leptospira under dark field microscopy, developing in liquid EMJH medium after eight days of incubation at 13 degrees C and 30 degrees C. All isolates were negative by the Multiple Locus Variable Number Tandem Repeat Analysis (MLVA). Molecular identification by 16S rRNA gene sequencing identified all isolates as nonpathogenic leptospires. Four isolates showed a genetic profile identical to that of the reference strain Leptospira biflexa serovar Patoc, and six isolates revealed sequence similarities within the 97-98% range, closely related to Leptospira yanagawae and Leptospira meyeri, respectively. Strains ScialfaASA42, ScialfaASA45, ScialfaASA44, ScialfaASA47, ScialfaASA49, ScialfaASA50 and ScialfaASA51 possibly represent a novel species of the genus Leptospira. PMID- 29198841 TI - [Antimicrobial susceptibility in isolates of Streptococcus equi subsp. equi from Buenos Aires province, Argentina]. AB - Streptococcus equi subsp. equi is the etiologic agent of strangles, an infectious disease affecting the upper respiratory tract and head and neck lymph nodes of equines. Routine antimicrobial therapy includes penicillin (PEN) as antibiotic of first choice. Streptococci are usually susceptible to PEN and only a few antimicrobial studies had been performed. The aim of this work was to study the antimicrobial susceptibility profile of S. equi from Buenos Aires, Argentina. Ninety-two isolates were studied by the single disk method to PEN, cefotaxime, erythromycin (ERY), tetracycline, enrofloxacin (ENR), trimethoprim sulfamethoxazole (TMS), ciprofloxacin, clindamycin (CLI), streptomycin (STR) and florfenicol. Minimum inhibitory concentration (MIC) to PEN and antibiotics with resistance and intermediate susceptibility were tested. High percentages of susceptibility were obtained by the disk diffusion method and MIC values of PEN, TMS and CLI were found to be under the breakpoint values. Resistant strains of ENR and STR with MIC50, MIC90 and MIC ranges above breakpoints were identified. These findings confirm that PEN may be used empirically because resistant strains were not found in Buenos Aires. Emphasis is placed on the rational use of antibiotics to achieve therapeutic success, to prevent chronicity, recurrence of infections and the emergence of resistance. PMID- 29198842 TI - Prevalence of and Differences in Salad Bar Implementation in Rural Versus Urban Arizona Schools. AB - BACKGROUND: Rural children consume more calories per day on average than urban children, and they are less likely to consume fruit. Self-service salad bars have been proposed as an effective approach to better meet the National School Lunch Program's fruit and vegetable recommendations. No studies have examined how rural and urban schools differ in the implementation of school salad bars. OBJECTIVE: To compare the prevalence of school-lunch salad bars and differences in implementation between urban and rural Arizona schools. DESIGN: Secondary analysis of a cross-sectional web-based survey. PARTICIPANTS/SETTING: School nutrition managers (N=596) in the state of Arizona. MAIN OUTCOMES MEASURED: National Center for Education Statistics locale codes defined rural and urban classifications. Barriers to salad bar implementation were examined among schools that have never had, once had, and currently have a school salad bar. Promotional practices were examined among schools that once had and currently have a school salad bar. STATISTICAL ANALYSES PERFORMED: Generalized estimating equation models were used to compare urban and rural differences in presence and implementation of salad bars, adjusting for school-level demographics and the clustering of schools within districts. RESULTS: After adjustment, the prevalence of salad bars did not differ between urban and rural schools (46.9%+/-4.3% vs 46.8%+/-8.5%, respectively). Rural schools without salad bars more often reported perceived food waste and cost of produce as barriers to implementing salad bars, and funding was a necessary resource for offering a salad bar in the future, as compared with urban schools (P<0.05). No other geographic differences were observed in reported salad bar promotion, challenges, or resources among schools that currently have or once had a salad bar. CONCLUSIONS: After adjustment, salad bar prevalence, implementation practices, and concerns are similar across geographic settings. Future research is needed to investigate methods to address cost and food waste concerns in rural areas. PMID- 29198843 TI - How Do I Know Whether It Is an Ethical Issue? Helping Registered Dietitian Nutritionists Identify Ethical Issues in Practice. PMID- 29198844 TI - Attitude and Behavior Factors Associated with Front-of-Package Label Use with Label Users Making Accurate Product Nutrition Assessments. AB - BACKGROUND: Front-of-package (FOP) labels are increasing in popularity on retail products. Reductive FOP labels provide nutrient-specific information, whereas evaluative FOP labels summarize nutrient information through icons. Better understanding of consumer behavior regarding FOP labels is beneficial to increasing consumer use of nutrition labeling when making grocery purchasing decisions. OBJECTIVE: We aimed to determine FOP label format effectiveness in aiding consumers at assessing nutrient density of food products. In addition, we sought to determine relationships between FOP label use and attitude toward healthy eating, diet self-assessment, self-reported health and nutrition knowledge, and label and shopping behaviors. DESIGN: A between-subjects experimental design was employed. Participants were randomly assigned to one of four label conditions: Facts Up Front, Facts Up Front Extended, a binary symbol, and no-label control. PARTICIPANTS/SETTING: One hundred sixty-one US primary grocery shoppers, aged 18 to 69 years. Participants were randomly invited to the online study. INTERVENTION: Participants in one of four label condition groups viewed three product categories (cereal, dairy, and snacks) with corresponding questions. MAIN OUTCOME MEASURES: Adults' nutrition assessment of food products based on different FOP label formats, along with label use and attitude toward healthy eating, diet self-assessment, self-reported health and nutrition knowledge, and label and shopping behaviors. STATISTICAL ANALYSES PERFORMED: Data analyses included descriptive statistics, chi2 tests, and logistical regression. Significant outcomes were set to alpha=.05. RESULTS: Participants selected the more nutrient-dense product in the snack food category when it contained an FOP label. Subjective health and nutrition knowledge and frequency of selecting food for healthful reasons were associated with FOP label use (P<0.01 and P<0.05, respectively). CONCLUSIONS: Both Facts Up Front (reductive) and binary (evaluative) FOP labels appear effective for nutrition assessment of snack products compared with no label. Specific attitude and behavior factors were associated with label use. PMID- 29198845 TI - Gardening Experience Is Associated with Increased Fruit and Vegetable Intake among First-Year College Students: A Cross-Sectional Examination. AB - BACKGROUND: Gardening interventions have been shown to increase fruit and vegetable (F/V) intake among school-aged children. It is unknown whether these effects persist into later adolescence or adulthood, and little is known about whether gardening in later adolescence is related to F/V intake. OBJECTIVE: To identify the relationship between both childhood and recent (within the past 12 months) gardening experiences and current F/V intake among college students. DESIGN/PARTICIPANTS: A cross-sectional evaluation of 1,121 college freshmen with suboptimal F/V consumption from eight US universities. MAIN OUTCOME MEASURES: Participants completed the National Cancer Institute Fruit and Vegetable Screener and questions about gardening experiences. Respondents were grouped as having gardened or not gardened during childhood and recently. STATISTICAL ANALYSES PERFORMED: A linear mixed model was used to evaluate the relationship between childhood and recent gardening and current F/V intake. RESULTS: Of the student participants, 11% reported gardening only during childhood, 19% reported gardening only recently, 20% reported gardening both as a child and recently, and 49% of students reported never having gardened. Students who gardened both during childhood and recently had a significantly higher mean current intake of F/V compared with students who never gardened (2.5+/-0.6 vs 1.9+/-0.5 cup equivalents [CE], respectively; P<0.001). In addition, F/V intake increased with frequency of recent gardening engagement when comparing students who did not garden with those who gardened monthly or weekly (2.1+/-0.5 CE, 2.4+/-0.6 CE, and 2.8+/-0.7 CE, respectively; P<0.001). CONCLUSIONS: This analysis suggests that the combination of childhood and recent gardening experience is associated with greater current F/V intake among first-year college students not currently meeting national F/V recommendations. In addition, a greater frequency of gardening experience may further enhance this effect. PMID- 29198846 TI - Utilization of the Bologna criteria: a promise unfulfilled? A review of published and unpublished/ongoing trials. AB - OBJECTIVE: To study the use of the Bologna criteria (BC) for the definition of poor ovarian responders (POR) in clinical practice and research. DESIGN: Systematic review of published and unpublished/ongoing trials between January 2012 and August 2017 on POR. SETTING: Not applicable. PATIENT(S): Not applicable. INTERVENTION(S): The databases were searched using the relevant medical subject headings including all subheadings. The search was limited to humans and English language. The references of the included studies were cross-searched for possibly missed articles. Only clinical trials providing an evidence level >= III were included. Case reports, review, letters, and hypothetical articles were excluded. MAIN OUTCOME MEASURE(S): Extracted studies were divided into two groups: studies in which the BC were used or not. RESULT(S): One hundred nine published clinical studies analyzing a total of 30,540 women and 112 unpublished/ongoing trials were identified. The BC were used to define POR in 56 (51%) of the published and 44 (39%) of the unpublished trials. The use of the BC gradually increased from 29% to 53% from 2012 to 2017. Asian researchers were more likely to use the BC compared with European and North American researchers (65%, 49%, and 23%, respectively). Neither the design of the study nor the impact factor of the publishing journal was correlated with the use of the BC. CONCLUSION(S): There is still reluctance to use the BC for the definition of POR, which makes it difficult to combine data from small studies and reach a meaningful conclusion. PMID- 29198847 TI - First delivery in a leukemia survivor after transplantation of cryopreserved ovarian tissue, evaluated for leukemia cells contamination. AB - OBJECTIVE: To describe a successful autologous ovarian tissue re-transplantation in a sterile leukemia survivor after evaluation for minimal residual disease and provide a review of the current literature. DESIGN: Presentation of a carefully designed workup taken to evaluate tissue for minimal residual disease, its limitations, and applicability to other patients. To date, there have not been any publications of auto-transplantations in leukemia survivors, owing to an estimated high risk for malignancy induction. SETTING: Large tertiary hospital. PATIENT(S): A 19-year-old acute myeloid leukemia patient underwent ovarian tissue cryopreservation during complete remission before bone marrow transplantation. After prolonged amenorrhea, the patient desired pregnancy. Laboratory tests showed antimullerian hormone <0.1 ng/mL and FSH 116 mIU/mL. Ultrasound revealed no ovarian follicles. INTERVENTION(S): Ovarian tissue cryopreservation and auto transplantation. Histology, immunohistochemistry, FISH, next-generation sequencing, and xenotransplantation were done to evaluate thawed tissue samples for the presence of leukemia cells. MAIN OUTCOME MEASURE(S): Evidence for leukemia cells in thawed ovarian tissue, reproductive outcomes and live birth after transplantation, and leukemia-free survival. RESULT(S): Histology was negative for leukemia cells. Three severe combined immunodeficiency mice, grafted with tissue fragments, were followed for 6 months and showed no macroscopic/microscopic signs for leukemia. Fluorescence in situ hybridization for disease-specific gene rearrangement resulted in a read below the probe's cut off. A next-generation sequencing panel of genes implicated in myeloproliferative disorders did not reveal any significant molecular event. Transplantation was performed, followed by ovarian stimulation and IVF, resulting in the delivery of healthy newborn. More than 2 years have elapsed since transplantation, and the patient is leukemia free. CONCLUSION(S): Harvesting during complete remission, combined with intense tissue evaluation before transplantation, allowed a safe, successful transplantation in an acute myeloid leukemia survivor. PMID- 29198848 TI - Association between surgically diagnosed endometriosis and adverse pregnancy outcomes. AB - OBJECTIVE: To examine the association between surgically diagnosed endometriosis and pregnancy outcomes in subsequent pregnancies. DESIGN: Retrospective cohort study of women who delivered a singleton live birth from 2003 to 2013 in Ottawa, Ontario, Canada. SETTING: Tertiary level academic center. PATIENT(S): Pregnant women with surgically diagnosed endometriosis were identified using International Classification of Diseases-10 codes from previous hospital admissions and were compared with pregnant women with no prior admission for endometriosis for the occurrences of adverse pregnancy outcomes. INTERVENTION(S): Observational study. MAIN OUTCOME MEASURE(S): Gestational hypertension, preeclampsia, placenta previa, placental abruption, postpartum hemorrhage, preterm birth, low birth weight, small for gestational age, and neonatal intensive care unit admission. RESULTS: Among the 52,202 eligible mother-infant pairs, we identified 469 mothers with surgically diagnosed endometriosis from a previous hospital encounter. Compared with women without endometriosis, women with endometriosis were on average older and were more likely to be primiparous, have lower gravidity, have a history spontaneous abortion, conceive with assisted reproductive technology, and reside in areas with higher neighborhood income and lower proportion of immigrants. Women with endometriosis were found to have an elevated risk of placenta previa (relative risk [RR], 3.30; 95% confidence interval [CI], 1.65-5.40) and cesarean delivery (RR, 1.24; 95% CI, 1.10-1.40). After adjustment for potential confounding factors, women with endometriosis were found to have a significantly elevated risk of placenta previa compared with women without endometriosis (adjusted RR, 2.54; 95% CI, 1.39-4.64). CONCLUSION(S): This study identifies baseline demographic differences between women with and without endometriosis and suggests that women affected by endometriosis have an independently elevated risk of placenta previa in pregnancy. PMID- 29198849 TI - Oxalate-Degrading Enzyme Recombined Lactic Acid Bacteria Strains Reduce Hyperoxaluria. AB - OBJECTIVE: To develop recombinant lactic acid bacteria (LAB) strains that express oxalate-degrading enzymes through biotechnology-based approach for the treatment of hyperoxaluria by oral administration. MATERIAL AND METHODS: The coding gene of oxalate decarboxylase (ODC) and oxalate oxidase (OxO) was transformed into Lactococcus lactis MG1363. The oxalate degradation ability in vitro was evaluated in media with high concentration of oxalate. Hyperoxaluria rat models through high oxalate diet were given recombinant LAB through oral administration. Twenty four-hour urinary oxalate was measured, and kidney stone formation was investigated. RESULTS: LAB recombined with the coding gene of ODC could effectively decrease the amount of oxalate in the media and in the urine of rats. Moreover, the formation of calcium oxalate crystals in kidneys was also inhibited. The acid-induced promoter p170 significantly enhanced the reduction of hyperoxaluria. However, recombinant LAB expressing heterologous OxO showed less efficiency in oxalate degradation even in the presence of p170. CONCLUSION: LAB expressing ODC is more efficient in degradation of oxalate in vitro and in vivo than that expressing OxO. This present study provided novel recombinant probiotic strains as a potential treatment tool against oxalosis. PMID- 29198851 TI - Real-time observations of tooth demineralization in 3 dimensions using X-ray microtomography. AB - OBJECTIVES: The immediate aim of this study was to develop and test a method to record, visualize and quantify real-time demineralization (or remineralization) of teeth in vitro using X-ray microtomography (XMT or micro-CT). The longer term objective is to improve understanding of demineralization processes, allowing the creation of better artificial models of dental caries and better quantification of the efficacy of caries treatment and prevention regimes. METHODS: For demineralization studies, the tooth is mounted in a plastic container through which the demineralizing solution is circulated during simultaneous repeated scanning. Key features of the method are safe circulation of the demineralizing solution, periodic interruption to adjust X-ray filament current and re-focus, accurate beam-hardening correction and calibration, alignment of reconstructed scans, and normalization of grey-levels to compensate for changes in the X-ray spectrum. The method was tested by scanning an extracted third molar during 8days of demineralization. RESULTS: From the reconstructed 3D images, the progression of an artificial carious lesion could be visualized and quantified. The lesion progressed at approximately 0.1mm per day and appeared to be more erosive in nature. CONCLUSIONS: A successful method has been developed to monitor real-time demineralization in 3 dimensions. Further work is now needed to create better models of true carious lesions. CLINICAL SIGNIFICANCE: Observation of the dynamics of demineralization and remineralization will aid in the development of therapies to treat and prevent dental caries. PMID- 29198850 TI - Safety and Efficacy of En Bloc Transurethral Resection With 1.9 um Vela Laser for Treatment of Non-Muscle-invasive Bladder Cancer. AB - OBJECTIVES: To evaluate the safety and efficacy of 1.9 um Vela laser in treatment of primary non-muscle-invasive bladder cancer. METHODS: The data of the patients with non-muscle-invasive bladder cancer treated by either en bloc transurethral resection with 1.9 um Vela laser (n = 26) or conventional transurethral resection of bladder tumor (n = 44) were analyzed retrospectively. The preoperative characteristics and intraoperative complications were compared in the 2 groups. RESULTS: Patients who were treated by 1.9 um Vela laser obtained a higher rate of specimens meeting the requirements of pathologic assessment for tumor staging compared with the patients treated by conventional transurethral resection of bladder tumor. No obturator nerve reflex and bladder perforation occurred during surgery in the 1.9 um Vela laser group. However, 7 patients in the conventional transurethral resection of bladder tumor group encountered obturator nerve reflex, and 3 of them encountered bladder perforation (P <.05). There were no significant differences between the 2 groups in operative duration and transfusion rate. Patients in the 1.9 um Vela laser group had shorter postoperative continuous bladder irrigation time than that in the conventional transurethral resection of bladder tumor group. There was no significant difference in the overall recurrence rate between the 2 groups during the follow up periods. CONCLUSION: En bloc transurethral resection with 1.9 um Vela laser in the treatment of non-muscle-invasive bladder cancer demonstrates an advantage over conventional transurethral resection of bladder tumor in reducing intraoperative complications, improving the quality of the specimens admitted for pathologic assessment, and shortening the duration of postoperative continuous bladder irrigation. PMID- 29198852 TI - Demographic factors and attitudes that influence the support of the general public for the introduction of universal healthcare in Ireland: A national survey. AB - Ireland is still struggling to end the inequitable two-tiered health system and introduce universal healthcare (UHC). Public opinion can influence health policy choice and implementation. However, the public are rarely asked for their views. This study describes the demographic and attitudinal factors that influence the support of the public for the introduction of UHC. It provides data on a nationally representative survey sample of n=972. There are high levels of support for the introduction of UHC (n=846 87.0%). Logistic regression analyses indicated that demographic factors, such as, the location of respondent, whether the respondent was in receipt of Government supported healthcare, a purchaser of private health insurance or neither; plus attitudinal factors, such as, opinions on the Government prioritising healthcare, healthcare being free at the point of access, taxes being increased to provide care free at the point of access and how well informed participants felt about UHC were associated with agreeing with the introduction of UHC in Ireland. This paper is timely for policy leaders both in Ireland and internationally as countries with UHC, such as the United Kingdom, are facing difficulties maintaining health services in the public realm. PMID- 29198853 TI - Effects of exercise on cancer patients suffering chemotherapy-induced peripheral neuropathy undergoing treatment: A systematic review. AB - BACKGROUND: Chemotherapy-induced peripheral neuropathy (CIPN) is the most common neurological and clinically relevant side effect of many commonly used chemotherapeutic agents. Moreover, little effort has been done to investigate the potentially beneficial effects of specific exercises to counteract the CIPN symptoms. OBJECTIVE: This document aims to summarize and analyze systematically the current body of evidence about the effects of specific exercise protocols on CIPN symptoms, balance control, physical function and quality of life in patients with CIPN. LITERATURE SURVEY: Specific terms were identified for the literature research in MEDLINE, Scopus, Bandolier, PEDro, and Web of Science. METHODOLOGY: Five manuscripts were considered eligible for this review. Quality appraisal distinguished two studies as high quality investigations while three with low quality. Results were summarized in the following domains: "CIPN symptoms", "Static balance control", "Dynamic balance control", "Quality of life and Physical function". SYNTHESIS: Significant improvements were detected on postural control. Additionally, patients' quality of life and independence were found ameliorated after exercise sessions. Combined exercise protocols including endurance, strength and sensorimotor training showed larger improvements. CONCLUSIONS: This systematic review comes from a highly selected but small source of data. Nevertheless, specific exercise for cancer patients undergoing chemotherapy with CIPN symptoms should be recommended since these interventions appeared as feasible and have been demonstrated as useful tools to counteract some of the limitations due to chemotherapy. PMID- 29198854 TI - Efficacy and safety of transversus abdominis plane blocks versus thoracic epidural anesthesia in patients undergoing major abdominal oncologic resections: A prospective, randomized controlled trial. AB - BACKGROUND: The purpose of this study was to compare patient outcomes for thoracic epidural anesthesia (TEA) with transversus abdominis plane (TAP) blocks. METHODS: A prospective, randomized trial was performed for patients undergoing abdominal oncologic surgeries. RESULTS: There were 32 TAP and 35 TEA subjects. The TEA group demonstrated increased episodes of hypotension in the first 24 h (3 v 0.6, p = 0.02). There was no difference in 24-48 h fluid balance between the groups. Overall parenteral morphine equivalents of opioids administered for the TEA group were higher for each postoperative day (p < 0.05). The post-operative survey did not demonstrate any difference in subjective pain between the TAP and TEA groups (6 v 6 p = 0.35). There was no attributable morbidity associated with either technique. CONCLUSIONS: TAP block use was associated with lower parenteral morphine equivalent usage and decreased incidence of hypotension in the early post-operative period compared to TEA. PMID- 29198855 TI - Is verification of peer review service necessary to support scientific growth? PMID- 29198856 TI - Naringenin glucuronidation in liver and intestine microsomes of humans, monkeys, rats, and mice. AB - Naringenin, a flavanone found in citrus fruits, is mainly metabolized into glucuronide(s) by UDP-glucuronosyltransferase (UGT) enzymes in mammals. In the present study, the glucuronidation of naringenin in the liver and intestine microsomes of humans, monkeys, rats, and mice was examined. The kinetics of 7 glucuronidation in human liver and intestine microsomes followed the Michaelis Menten model. Kinetics in mouse liver and intestine microsomes also followed the Michaelis-Menten model, whereas those in monkey and rat liver microsomes fit the biphasic model. Kinetics in monkey and rat intestine microsomes fit the Michaelis Menten and substrate inhibition models, respectively. CLint values were mice > monkeys > rats > humans for liver microsomes, and mice > rats > monkeys > humans for intestine microsomes. In 4'-glucuronidation, activities in human liver microsomes and monkey liver and intestine microsomes were negligible or very low. Kinetics in rat and mouse liver microsomes followed the biphasic and Michaelis Menten models, respectively. CLint values were rats > mice for liver microsomes, and rats > mice > humans for intestine microsomes. These results suggest that the metabolic abilities and regioselectivity of UGT enzymes toward naringenin in the liver and intestines generally differ between primates and rodents. PMID- 29198857 TI - Probabilistic exposure assessment to face and oral care cosmetic products by the French population. AB - Cosmetic exposure data for face and mouth are limited in Europe. The aim of the study was to assess the exposure to face cosmetics using recent French consumption data (Ficheux et al., 2016b, 2015). Exposure was assessed using a probabilistic method for thirty one face products from four lines of products: cleanser, care, make-up and make-up remover products and two oral care products. Probabilistic exposure was assessed for different subpopulation according to sex and age in adults and children. Pregnant women were also studied. The levels of exposure to moisturizing cream, lip balm, mascara, eyeliner, cream foundation, toothpaste and mouthwash were higher than the values currently used by the Scientific Committee on Consumer Safety (SCCS). Exposure values found for eye shadow, lipstick, lotion and milk (make-up remover) were lower than SCCS values. These new French exposure values will be useful for safety assessors and for safety agencies in order to protect the general population and the at risk populations. PMID- 29198858 TI - Phenolic components and assessment of biological properties of Tchihatchewia isatidea Boiss. extracts: Docking and functional approaches for designing novel products. AB - The potentiality of bioactive phenolic compounds may result in plant extracts having multiple biological activities. The aim of this study was to investigate into the biological activities of the methanolic, ethyl acetate, and water extracts of Tchihatchewia isatidea Boiss, an endemic medicinal plant of Turkey. The phenolic compositions of the extracts were confirmed using RP-HPLC. Extracts were screened for their potential antioxidant through a panoply of assays; their anti-diabetic potential, and plausible inhibitory activity against tyrosinase and acetylcholinesterase. Molecular modelling methods were also used to assess the docking properties of phenolic compounds on tyrosinase. The major and most abundant compounds were rosmarinic acid (570 +/- 14 MUg/g extract in the methanolic extract), ferrulic acid (336 +/- 6 MUg/g extract in the methanolic extract), (+)-catechin (340 +/- 4 MUg/g extract in the water extract), apigenin (182 +/- 4 MUg/g extract in the methanolic extract), and epicatechin (188 +/- 12 MUg/g extract in the water extract). Radical scavenging, reducing capacity, and metal chelating activities were detected in the extracts, with preponderance activity observed in the methanolic extract. In conclusion, the potential clinical applications observed during this study may provide new insights into the molecular aspect particularly for neuroprotective and anti-diabetic mechanisms involving oxidative stress. PMID- 29198859 TI - Selecting among three basic fitness landscape models: Additive, multiplicative and stickbreaking. AB - Fitness landscapes map genotypes to organismal fitness. Their topographies depend on how mutational effects interact - epistasis - andare important for understanding evolutionary processes such as speciation, the rate of adaptation, the advantage of recombination, and the predictability versus stochasticity of evolution. The growing amount of data has made it possible to better test landscape models empirically. We argue that this endeavor will benefit from the development and use of meaningful basic models against which to compare more complex models. Here we develop statistical and computational methods for fitting fitness data from mutation combinatorial networks to three simple models: additive, multiplicative and stickbreaking. We employ a Bayesian framework for doing model selection. Using simulations, we demonstrate that our methods work and we explore their statistical performance: bias, error, and the power to discriminate among models. We then illustrate our approach and its flexibility by analyzing several previously published datasets. An R-package that implements our methods is available in the CRAN repository under the name Stickbreaker. PMID- 29198861 TI - Compliance to care guidelines for Duchenne muscular dystrophy in Italy. PMID- 29198860 TI - Comparative of transcranial magnetic stimulation and other treatments in experimental autoimmune encephalomyelitis. AB - The effects of transcranial magnetic stimulation (TMS), natalizumab (nata), dimethyl fumarate (DMF) and dexamethasone (DEX) on clinical score and oxidative stress produced by a single dose of myelin oligodendrocyte glycoprotein (MOG) in tail of Dark Agouti rats was studied. TMS (60Hz and 0.7 mT), nata (5mg/kg), DMF (15mg/kg) and DEX (300MUg/kg) was applied for 21 after the administration of MOG (150MUg). We estimated clinical score, as well as lipid peroxides, carbonylated proteins and reduced glutathione (GSH)/oxidized glutathione (GSSG) ratio content in brain, spinal cord and blood. MOG triggered significant increase in clinical score and in the levels of lipid peroxides and carbonylated proteins levels, but reduced GSH/GSSG ratio in brain, spinal cord and blood. Both TMS and clinical treatments, although TMS more significantly, decreased the changes caused by MOG administration. These results support the antioxidant and neuroprotective action of TMS, as well as an activity higher than other clinical treatments. PMID- 29198862 TI - Towards smart biocide-free anti-biofilm strategies: Click-based synthesis of cinnamide analogues as anti-biofilm compounds against marine bacteria. AB - A set of triazole-based analogues of N-coumaroyltyramine was designed to discover potential leads that may help in the control of bacterial biofilms. the most potent compounds act as inhibitors of biofilm development with EC50 closed to ampicillin (EC50 = 11 MUM) without toxic effect on bacterial growth even at high concentrations(100 MUM). PMID- 29198863 TI - Synthesis, antitumor activity, and cytotoxicity of 4-substituted 1-benzyl-5 diphenylstibano-1H-1,2,3-triazoles. AB - Trisubstituted 5-organostibano-1H-1,2,3-triazoles (3a-f) were synthesized by the Cu-catalyzed azide-alkyne cycloaddition of various ethynylstibanes (1) with benzylazide (2) in the presence of CuBr (5 mol%) under aerobic conditions. The reaction of 5-stibanotriazoles with HCl afforded C5-unsubstituted 1,2,3-triazoles (4a-f). The antitumor activity of trisubstituted 5-organostibano-1H-1,2,3 triazoles (3a-f) and their 5-unsubstituted 1,2,3-triazoles (4a-f) were evaluated in several tumor cell lines. All 5-stibanotriazoles (3a-f) exerted an excellent antitumor activity. On the contrary, 5-unsubstituted 1,2,3-triazoles (4a-f) without a diphenylantimony group in the molecule exhibited very low antitumor activity compared with 5-stibanotriazoles (3a-f). In compounds of both the series, the substituted 4-butyl group appeared to decrease antitumor activity. However, results suggested that organometal (antimony) in the molecule was required for greater antitumor activity. In addition, all 5-stibanotriazoles (3a f), but not all 5-unsubstituted 1,2,3-triazoles (4a-f), exhibited cytotoxicity in normal vascular endothelial cells derived from bovine aorta. Among the compounds (3b-e) that exhibited excellent antitumor activity, those with 4-methylphenyl (3b) and 1-cyclohexenyl (3e) showed relatively low cytotoxicity to vascular endothelial cells. Together, these results suggest that trisubstituted 5 organostibano-1H-1,2,3-triazoles, including compounds 3b and 3e, may serve as potential anticancer therapeutic drugs in the future. PMID- 29198864 TI - Small molecule inhibitors of anthrax edema factor. AB - Anthrax is a highly lethal disease caused by the Gram-(+) bacteria Bacillus anthracis. Edema toxin (ET) is a major contributor to the pathogenesis of disease in humans exposed to B. anthracis. ET is a bipartite toxin composed of two proteins secreted by the vegetative bacteria, edema factor (EF) and protective antigen (PA). Our work towards identifying a small molecule inhibitor of anthrax edema factor is the subject of this letter. First we demonstrate that the small molecule probe 5'-Fluorosulfonylbenzoyl 5'-adenosine (FSBA) reacts irreversibly with EF and blocks enzymatic activity. We then show that the adenosine portion of FSBA can be replaced to provide more drug-like molecules which are up to 1000 fold more potent against EF relative to FSBA, display low cross reactivity when tested against a panel of kinases, and are nanomolar inhibitors of EF in a cell based assay of cAMP production. PMID- 29198865 TI - Histone H3 peptides incorporating modified lysine residues as lysine-specific demethylase 1 inhibitors. AB - Lysine-specific demethylase 1 (LSD1) is a flavin-dependent enzyme that removes methyl groups from mono- or dimethylated lysine residues at the fourth position of histone H3. We have previously reported several histone H3 peptides containing an LSD1 inactivator motif at Lys-4. In this study, histone H3 peptides having a trans-2-phenylcyclopropylamine (PCPA), a 2,5-dihydro-1H-pyrrole, and a 1,2,3,6 tetrahydropyridine moiety at Lys-4 were prepared along with related compounds possessing a shorter side chain at the fourth position. Enzymatic assays showed that PCPA peptides containing a longer side chain, which can react with FAD in the active site, are potent LSD1-selective inhibitors. PMID- 29198866 TI - Effect of side chain hydrophobicity and cationic charge on antimicrobial activity and cytotoxicity of helical peptoids. AB - Peptoids are peptidomimetic polymers that are resistant to proteolysis and less prone to immune responses; thus, they can provide a practical alternative to peptides. Among the various therapeutic applications that have been explored, cationic amphipathic peptoids have demonstrated broad-spectrum antibacterial activity, including activity towards drug-resistant bacterial strains. While their potency and activity spectrum can be manipulated by sequence variations, bacterial selectivity and systemic toxicity need to be improved for further clinical development. To this aim, we incorporated various hydrophobic or cationic residues to improve the selectivity of the previously developed antibacterial peptoid 1. The analogs with hydrophobic residues demonstrated non specific cytotoxicity, while those with an additional cationic residue showed improved selectivity and comparable antibacterial activity. Specifically, compared to 1, peptoid 7 showed much lower hemolysis and cytotoxicity, while maintaining the antibacterial activity. Therefore, we believe that peptoid 7 has the potential to serve as a promising alternative to current antimicrobial therapies. PMID- 29198867 TI - Design and synthesis of novel pyrimidine analogs as highly selective, non covalent BTK inhibitors. AB - BTK is a promising target for the treatment of multiple diseases such as B cell malignances, asthma, and rheumatoid arthritis. Here, we report the discovery of a series of novel pyrimidine analogs as potent, highly selective, non-covalent inhibitors of BTK. Compound 25d demonstrated higher affinity to an unactivated conformation of BTK that resulted in an excellent kinase selectivity. Compound 25d showed a good oral bioavailability in mice, and significantly inhibits the PCA reaction in mice. PMID- 29198868 TI - An Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) analysis of hospitalization, functional status, and mortality after mechanical circulatory support in adults with congenital heart disease. AB - BACKGROUND: Adult congenital heart disease (ACHD) prevalence is increasing worldwide, with advanced heart failure (HF) as a leading cause of death. Limited data are available on durable mechanical circulatory support (MCS) in ACHD patients. METHODS: ACHD patients from the Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) database were identified and propensity matched with non-ACHD patients using risk factors from the INTERMACS Seventh Annual Report. We compared these groups for the primary outcome of post-MCS mortality. We also investigated adverse event rates, functional status, and health-related quality of life. RESULTS: ACHD (n = 128) and non-ACHD (n = 512) patients were appropriately matched by baseline characteristics. ACHD patients had a longer length of stay at MCS implant (24 vs 19 days, p = 0.006) but similar rates of post-MCS adverse events and hospitalization. There were similar improvements in functional status and health related quality of life post-MCS in both groups. ACHD patients had significantly higher mortality post-MCS exclusively during the first 5 months after implant (p = 0.003) and a lower probability of receiving a transplant (p = 0.003). Risk factors for early mortality were biventricular or total artificial heart device implant and age > 50 years. CONCLUSIONS: ACHD patients experience a higher early mortality after MCS but have similar adverse event rates and similar improvements in functional capacity and quality of life compared with non-ACHD patients. These data support expansion of MCS use in selected ACHD patients. PMID- 29198869 TI - The ratio of circulating regulatory cluster of differentiation 4 T cells to endothelial progenitor cells predicts clinically significant acute rejection after heart transplantation. AB - BACKGROUND: The aim of this study was to determine the value of the ratio of the percentage of circulating regulatory cluster of differentiation 4 T cells (%Tregs) to the percentage of endothelial progenitor cells (%EPCs; Treg/EPC ratio) for predicting clinically significant acute rejection. METHODS: Peripheral blood %Tregs and %EPCs were quantified in 91 cardiac transplant recipients using flow cytometry at a mean of 42 +/- 13 days after transplant. The primary end point was clinically significant acute rejection, defined as an event that led to an acute augmentation of immunosuppression in conjunction with an International Society for Heart and Lung Transplantation grade >= 2R in a right ventricular endomyocardial biopsy specimen or non-cellular rejection (specimen-negative rejection) with hemodynamic compromise (decrease in left ventricular ejection fraction by > 25%). RESULTS: Significant rejection occurred in 27 recipients (29.7%) during a median of 49.4 months (interquartile range, 37.0-62.0 months). The mean %Tregs and %EPCs were not significantly different between those with and without an episode of significant rejection, but the mean Treg/EPC ratio was significantly lower in recipients with significant rejection (44.9 vs 106.7, p = 0.001). Receiver operating characteristic curve analysis showed an area under the curve value for significant rejection for a Treg/EPC ratio of 0.712. The best cutoff value of the Treg/EPC ratio that distinguished between those with or without significant rejection was <= 18 by receiver operating characteristic curve analysis. Kaplan-Meier analysis revealed that patients with a Treg/EPC ratio of <= 18 had a significantly higher rate of rejection than those with a Treg/EPC ratio > 18 (61.5% vs 16.9%, log-rank p < 0.0001). A low Treg/EPC ratio was an independent predictor of significant rejection. CONCLUSIONS: A low Treg/EPC ratio measured soon after heart transplantation is an independent predictor of acute rejection. The Treg/EPC ratio has potential as an early biomarker after heart transplantation for predicting acute rejection. PMID- 29198870 TI - Targeting resolution of pulmonary edema in primary graft dysfunction after lung transplantation: Is inhaled AP301 the answer? PMID- 29198871 TI - Trends in Opioid Utilization Before and After Total Knee Arthroplasty. AB - BACKGROUND: Opioids are a mainstay in perioperative pain management among patients undergoing total knee arthroplasty (TKA). However, patterns in opioid use before and after TKA have not been well-studied. The objectives of this study are to characterize prescribing trends preoperatively and postoperatively and identify risk factors for chronic postoperative opioid use. METHODS: A review of the prescription-tracking database of a large private payer from 2007 to 2013 was performed using International Classification of Diseases, Ninth Revision and Current Procedural Terminology codes. Chronic opioid use was defined as opioid prescriptions over 6 contiguous months postoperatively. RESULTS: We identified 66,950 patients who underwent TKA with minimum 2-year follow-up and medication codes. Of those taking opioids preoperatively (n = 36,668), 34.8% became chronic users postoperatively compared to only 5.0% of the opioid-naive cohort (n = 30,282). Major risk factors for chronic postoperative opioid use included preoperative opioid use (relative risk [RR] 3.75, 95% confidence interval [CI] 3.59-3.93), female gender (RR 1.23, 95% CI 1.20-1.25), and younger age (<=44 vs >=60: RR 1.41, 95% CI 1.32-1.49; 45-59 vs >=60: RR 1.42, 95% CI 1.40-1.46). From 2007 to 2013, there was a significant linear increase in opioid use preoperatively (odds ratio [OR] 1.04, 95% CI 1.03-1.05, P < .001) and postoperatively (OR 1.20, 95% CI 1.18-1.21, P < .001), but chronic postoperative opioid use increased only marginally (OR 1.01, 95% CI 1.00-1.02, P = .021). CONCLUSION: The greatest risk factors for chronic postoperative opioid use were preoperative use, younger age, female gender, greater length of stay, and worse health status. Although the use of opioids continues to grow significantly preoperatively and postoperatively, chronic opioid use post-TKA has remained clinically unchanged. PMID- 29198872 TI - A Randomized Non-Inferiority Trial of Adductor Canal Block for Analgesia After Total Knee Arthroplasty: Single Injection Versus Catheter Technique. AB - BACKGROUND: Adductor canal blocks (ACBs) provide effective analgesia following total knee arthroplasty. We hypothesized that ACB single injection plus intravenous (IV) dexamethasone (Dex) shows non-inferiority to catheter, while ACB single injection does not. METHODS: One hundred eighty patients were randomized and 177 analyzed from among 1 of 3 ACB interventions: (1) 0.5% ropivacaine 20 mL; (2) 0.5% ropivacaine 20 mL plus IV Dex 8 mg; (3) 0.5% ropivacaine 20 mL followed by continuous infusion of 0.2% ropivacaine at 5 mL/h for 48 hours. The primary endpoint was cumulative opioid consumption at 24 hours in oral morphine equivalents, with a non-inferiority limit of 30 mg. Secondary endpoints included opioid consumption at 12 and 48 hours, rest pain scores, quality of recovery survey, length of stay, and anti-emetic usage. RESULTS: For 24-hour opioid consumption, single injection ACB with and without IV Dex had a mean difference of -24.2 mg (confidence interval [CI] 0.5 to -48.9, P < .001) and -21 mg (CI 3.2 to -45.1, P < .001) relative to catheter, demonstrating non-inferiority. Non inferiority was also shown at 12 hours by Dex and single injection over catheter with mean difference of -20.4 mg (CI -6.8 to -33.9, P < .001) and -15.1 mg (CI 2.1 to -28.2, P < .001), respectively. No intergroup difference was found for 48 hour opioid consumption. No differences in other secondary outcomes were observed across the 3 groups. CONCLUSION: Single injection ACB, with and without IV Dex, is non-inferior to ACB catheters in 24-hour opioid consumption, and may be attractive options for early-discharge, fast-track total knee arthroplasty. PMID- 29198873 TI - Short and Long-Term Postoperative Complications Following Total Joint Arthroplasty in Patients With Human Immunodeficiency Virus, Hepatitis B, or Hepatitis C. AB - INTRODUCTION: Due to advancement in treatment against human immunodeficiency virus (HIV), hepatitis B virus (HBV), and hepatitis C virus (HCV), the prevalence of this patient population electing to undergo total joint arthroplasty (TJA) is increasing. Current literature is scarce and conflicting especially when evaluating long-term surgical complications. The purpose of this study is to assess the postoperative medical and surgical complications following TJA in these patient populations. METHODS: Using a nationwide database between 2005 and 2012, 4 cohorts were created: patients with HIV, HCV, HBV, and HIV and HBV or HCV who underwent TJA. Cohorts were matched to a control group by age, gender, and Charlson Comorbidity Index. Thirty-day and 90-day medical complications and 90 day and 2-year surgical complications were evaluated using odds ratios with 95% confidence intervals. RESULTS: Following TJA, patients with HCV or HBV had increased risk of pneumonia, sepsis, joint infection, and revision surgery at 90 days and 2 years. Patients with HIV did not have increased risk of infection at 90 days and 2 years but did have increased risk of revision at 90 days (odds ratio 3.21, 95% confidence interval 1.31-7.84) following total hip arthroplasty. CONCLUSIONS: Patients with HIV, HBV, or HCV have an overall increased risk of postoperative medical and surgical complications following TJA. Patients with HBV or HCV are at risk of more complications than patients with HIV especially for infection within 90 days after TJA. Patients with HIV are at risk of mechanical complications but do not appear to be at significant risk for infection following total hip arthroplasty. PMID- 29198874 TI - Influence of Prior Hip Salvage Surgery on Outcomes After Total Hip Arthroplasty in Young Patients. AB - BACKGROUND: As the indications for total hip arthroplasty (THA) have expanded, this procedure is being increasingly performed in young patients. Oftentimes, this population has undergone one or more salvage procedures in an attempt to delay or forestall a THA. However, it is unclear whether patients with prior salvage procedure have higher risk of adverse events. METHODS: From 2004 to 2014, 215 THAs performed in patients less than 30 years at a single institution were identified. These patients were screened to identify 37 THAs in which one or more salvage procedures were performed prior to the THA (salvage group). The prior salvage procedures were open in 30 (pelvic osteotomy = 5, femoral osteotomy = 15, combined osteotomy = 2, core decompression = 7, bone graft = 1) and arthroscopic in 7. Medical and surgical complications within 90 days and overall survivorship at a minimum follow-up of 2 years were recorded. Nonparametric tests and Kaplan Meier survival curves were used to compare the groups. RESULTS: Salvage group had a higher rate of wound complications (P = .037), superficial infections (P = .005), and reoperations (P = .015). The 5-year survivorships in the salvage and nonsalvage groups were 97.1% and 96.7%, respectively (P = .787). CONCLUSION: Patients less than 30 years who undergo THA after a previous salvage procedure have a higher risk of wound complications, superficial infections, and reoperations, but similar survivorship, compared to those who did not have any prior salvage procedures. This information is helpful in counseling young patients while offering various surgical options for the management of various hip pathologies. PMID- 29198876 TI - Corrigendum to "Lipopolysaccharides detection on a grating-coupled surface plasmon resonance smartphone biosensor" [Biosens. Bioelectron. 99 (2018) 312 317]. PMID- 29198875 TI - Gancao-Gansui combination impacts gut microbiota diversity and related metabolic functions. AB - ETHNOPHARMACOLOGICAL RELEVANCE: The theory of "eighteen incompatible medicaments" (EIM) in traditional Chinese medicine (TCM) is the most representative case of herbal-herbal interactions. Gancao and Gansui are one of the incompatible herbal pairs in EIM. Gancao, also known as "licorice", is the most frequently used Chinese herb or food additive. Gansui, the root of Euphorbia kansui T.P. Wang, is another famous Chinese herb usually used to treat edema, ascites and asthma but could induce gastrointestinal (GI) tract irritation. Although Gancao and Gansui are incompatible herbal pairs, they are still used in combination in the famous "Gansui-Banxia" decoction. AIM OF THE STUDY: This study was conducted to investigate if Gancao-Gansui combination could exacerbate Gansui induced GI tract injury. Moreover, the impact of Gancao-Gansui combination to gut microbiota and related metabolism pathways were evaluated. MATERIALS AND METHODS: Normal mice were divided into different groups and treated with Gancao extracts, Gansui extracts, and Gancao-Gansui combination extracts for 7 days. Serum biomarkers (diamine oxidase activity, lipopolysaccharide, motilin, IL-1beta, IL-6, TNF alpha) were determined to reflect GI tract damage. Gut microbiota diversity was studied by 16S rDNA sequencing and metagenomes analysis were also conducted to reflect functional genes expression alteration. Fecal hydrogen sulfide concentrations were measured by spectrophotometry to confirm the alteration of Desulfovibrio genus. Fecal lipid metabolomics study was conducted by GC-MS analysis to confirm the change of metagenomes and Mycoplasma abundance. RESULTS: Gancao-Gansui combination did not exacerbate GI tract tissue or functional damage but caused gut microbiota dysbiosis and increased some rare genus's abundance including Desulfovibrio and Mycoplasma. Desulfovibrio genus proliferation was confirmed by the disturbance of fecal hydrogen sulfide homeostasis. Gancao-Gansui combination also dys-regulated the metabolic genes in metagenomes. Mycoplasma genus proliferation and the metagenomes changes were both confirmed by metabolic profile analysis of fecal lipids, especially cholesterol. CONCLUSIONS: Gancao Gansui combination can impact the gut microbiota diversity and related metabolic functions. Further studies should be carried out when the combination of Gancao Gansui is used in herbal formulations as this may alter the diversity of the microbiota. PMID- 29198877 TI - The Future Role of the United States in Global Health: Emphasis on Cardiovascular Disease. AB - U.S. global health investment has focused on detection, treatment, and eradication of infectious diseases such as tuberculosis, malaria, and human immunodeficiency virus/acquired immunodeficiency syndrome, with significant results. Although efforts should be maintained and expanded to provide ongoing therapy for chronic infectious disease, there is a pressing need to meet the challenge of noncommunicable diseases, which constitute the highest burden of diseases globally. A Committee of the National Academies of Sciences, Engineering, and Medicine has made 14 recommendations that require ongoing commitments to eradication of infectious disease and increase the emphasis on chronic diseases such as cardiovascular disease. These include improving early detection and treatment, mitigating disease risk factors, shifting global health infrastructure to include management of cardiovascular disease, developing global partners and private-public ventures to meet infrastructure and funding challenges, streamlining medical product development and supply, increasing research and development capacity, and addressing gaps in global political and institutional leadership to meet the shifting challenge. PMID- 29198878 TI - Medication adherence among patients with gout: A systematic review and meta analysis. AB - OBJECTIVE: In the management of chronic gout, a large proportion of patients need long-term management with urate lowering therapy (ULT). This study reviews medication adherence to ULT and summarizes factors associated with adherence. METHODS: We performed a systematic literature search for studies on adherence to ULT among gout patients in PubMed, Embase, CINAHL, and PsycINFO. We conducted meta-analysis, with a random effect model, for the studies reporting the proportion of patients considered adherent to at least 80% of prescribed medication or time taken. We explored potential sources of heterogeneity, including geographic area and measure of adherence. Narrative summaries were made for data on adherence assessed/defined by Medication Event Monitoring System (MEMS)/pill-count or patient-reported, occurrence of a gap in therapy >=30 days (non-persistence), and factors associated with adherence. RESULTS: Of the 24 studies, 16 assessed adherence using prescription/claims data, two by the MEMS or pill count, and six by patient-reported data. The pooled proportion of adherent patients (n = 13) was 46% (95% CI: 41-51); 45% across studies conducted in the USA (n = 8) and 48% in other countries (n = 5). Adherence assessed by MEMS/pill count and patient-reported was much higher than by studies using prescription/claims data. Non-persistence (n = 6) ranged from 54% to 87%. Factors associated with adherence were investigated in 18 studies. Strong evidence for a positive association with older age, more comorbidities, and the presence of diabetes or hypertension was found. CONCLUSION: Medication adherence to ULT among gout patients was poor. Better insight into reasons and consequences or poor adherence is needed. PMID- 29198879 TI - Radiation therapy improves disease-specific survival in women with Stage II endometrioid endometrial cancer-Brachytherapy may be sufficient. AB - PURPOSE: To evaluate disease-specific survival (DSS) outcomes in Stage II endometrioid endometrial cancer (EC) patients based on pathology and treatment information including adjuvant radiotherapy and lymph node assessment. METHODS AND MATERIALS: Using the Surveillance, Epidemiology, and End Results database, 2877 patients with Stage II EC diagnosed between 2004 and 2012 treated with radiation were identified. DSS was determined for different modalities of radiation. Kaplan-Meier estimates of survival and Cox regression modeling were used to explore the risk associated with various factors on DSS. RESULTS: The 4 year DSS for the study population was 90%. Radiation was associated with improved 4-year DSS when compared to no radiotherapy (p = 0.03). Patients with Grade 2 and 3 tumors had improved 4-year DSS with radiation (94% vs. 90%, p = 0.02 and 81% vs. 73%, p = 0.15), respectively, but no differences in DSS when vaginal brachytherapy alone was compared with external beam alone or both. Patients with Grade 2 (p = 0.002) and Grade 3 (p < 0.001) tumors without a lymph node dissection (LND) had worse DSS compared to patients with any LND. Patients with Grade 3 tumors without an LND who received radiation showed improved DSS (p = 0.008). Multivariable analysis revealed that age >60 years (p < 0.001), Grade 3 (p < 0.001), no radiotherapy (p = 0.05), and no LNDs (p < 0.001) were significant prognostic factors for worse DSS. CONCLUSIONS: Adjuvant radiation, whether delivered by brachytherapy or external beam radiation, is associated with improved DSS in Stage II EC patients with high-grade tumors, therefore brachytherapy may be sufficient. PMID- 29198880 TI - AureoWiki The repository of the Staphylococcus aureus research and annotation community. AB - In light of continuously accumulating data and knowledge on major human pathogens, comprehensive and up-to-date sources of easily accessible information are urgently required. The AureoWiki database (http://aureowiki.med.uni greifswald.de) provides detailed information on the genes and proteins of clinically and experimentally relevant S. aureus strains, currently covering NCTC 8325, COL, Newman, USA300_FPR3757, and N315. By implementing a pan-genome approach, AureoWiki facilitates the transfer of knowledge gained in studies with different S. aureus strains, thus supporting functional annotation and better understanding of this organism. All data related to a given gene or gene product is compiled on a strain-specific gene page. The gene pages contain sequence-based information complemented by data on, for example, protein function and localization, transcriptional regulation, and gene expression. The information provided is connected via links to other databases and published literature. Importantly, orthologous genes of the individual strains, which are linked by a pan-genome gene identifier and a unified gene name, are presented side by side using strain-specific tabs. The respective pan-genome gene page contains an orthologue table for 32 S. aureus strains, a multiple-strain genome viewer, a protein sequence alignment as well as other comparative information. The data collected in AureoWiki is also accessible through various download options in order to support bioinformatics applications. In addition, based on two large scale gene expression data sets, AureoWiki provides graphical representations of condition-dependent mRNA levels and protein profiles under various laboratory and infection-related conditions. PMID- 29198881 TI - Role of arsenic exposure in adipose tissue dysfunction and its possible implication in diabetes pathophysiology. AB - Exposure to arsenic in drinking water can stimulate a diverse number of diseases that originate from impaired lipid metabolism in adipose and glucose metabolism, leading to insulin resistance. Arsenic inhibits differentiation of adipocyte and mediates insulin resistance with diminutive information on arsenicosis on lipid storage and lipolysis. This review focused on different mechanisms and pathways involved in adipogenesis and lipolysis in adipose tissue during arsenic-induced diabetes. Though arsenic is known to cause type2 diabetes through different mechanisms, the role of adipose tissue in causing type2 diabetes is still unclear. With the existing literature, this review exhibits the effect of arsenic on adipose tissue and its signalling events such as SIRT3- FOXO3a signalling pathway, Ras -MAP -AP-1 cascade, PI(3)-K-Akt pathway, endoplasmic reticulum stress protein, C/EBP homologous protein (CHOP10) and GPCR pathway with role of adipokines. There is a need to elucidate the different types of adipokines which are involved in arsenic-induced diabetes. The exhibited information brings to light that arsenic has negative effects on a white adipose tissue (WAT) by decreasing adipogenesis and enhancing lipolysis. Some of the epidemiological studies show that arsenic would causes obesity. Few studies indicate that arsenic might induces lipodystrophy condition. Further research is needed to evaluate the mechanistic link between arsenic and adipose tissue dysfunction which leads to insulin resistance. PMID- 29198882 TI - Adjuvant effect of short chain triacylglycerol tributyrin on a mouse contact hypersensitivity model. AB - Little attention has been paid to chemicals that can enhance hypersensitivity caused by other chemicals. We have demonstrated that phthalate esters with short chain alcohols enhance fluorescein isothiocyanate (FITC)-induced contact hypersensitivity (CHS) in a mouse model. Furthermore, phthalate esters with such an enhancing effect were found to activate transient receptor potential ankyrin 1 (TRPA1) cation channels, which are expressed on a part of sensory neurons, using a TRPA1-expressing cell line. In this study, we examined these activities of esters comprising glycerol and a short chain fatty acid, i.e. dibutyrin and tributyrin. We carried out chemical synthesis of dibutyrin isomers. Each dibutyrin isomer weakly activated TRPA1 and slightly enhanced skin sensitization to FITC. Unexpectedly, TRPA1 activation and enhancement of FITC-CHS were much more evident in the presence of tributyrin. Mechanistically, tributyrin induced increased dendritic cell trafficking from the skin to draining lymph nodes. Tributyrin enhanced interferon-gamma (IFN-gamma) production by draining lymph nodes, while its effect on interleukin-4 (IL-4) production was relatively less prominent. These results suggested that tributyrin concomitantly caused TRPA1 activation and an adjuvant effect on FITC-CHS. PMID- 29198883 TI - Disease burden of knee osteoarthritis patients with a joint replacement compared to matched controls: a population-based analysis of a Dutch medical claims database. AB - OBJECTIVE: On a population level, the incidence of knee prostheses (KPs) has increased, but excess health care costs per patient, compared to matched controls without a KP, in the years surrounding these procedures and their determinants are largely unknown. We therefore aimed to provide estimates of age- and sex specific incidence of KPs, revision KPs, and prosthesis complications in patients with knee osteoarthritis (OA) and to determine excess health care costs in the years surrounding surgery compared with matched controls. METHODS: All KPs in OA patients in the Achmea Health Database were identified as well as up to four controls. Incidence rates of KPs, revisions, and complications from 2006 to 2013 were determined. Annual health care cost and excess costs (over matched controls) preceding, during, and after surgery were calculated and their determinants were evaluated. RESULTS: The increased incidence of KPs, revisions, and complications was strongest in younger age categories and men. The average costs per patient were relatively stable between 2006 and 2012. KP patient's annual health care costs increased towards the year of surgery. After surgery, costs decreased, but remained higher as compared to costs prior to surgery. High post-surgery costs were mainly associated with subsequent revisions or additional KPs, but costs were also higher in females, lower age categories, and lower social economic status. CONCLUSION: These results underscore the increasing burden and medical need associated with end-stage OA, especially in younger age categories. Improvement of guidelines tailored to individual patient groups aimed at avoiding complications and revisions is required to counteract this increasing burden. PMID- 29198884 TI - Perihepatitis at the onset of Behcet's disease: A case report. PMID- 29198885 TI - Atypical juxta-articular form of Dercum's disease in a patient treated with tocilizumab for rheumatoid arthritis. PMID- 29198886 TI - Remaining local subclinical joint inflammation is associated with deteriorated metacarpeal head bone microarchitecture in rheumatoid arthritis patients low disease activity. AB - OBJECTIVES: Bone alterations at the subchondral level during rheumatoid arthritis (RA) remain under investigation. It remains unknown whether subchondral bone damage might still occur in RA patients in clinical remission, which could then infer suggesting that even minor subclinical inflammatory changes in the joint can induce local bone loss. METHODS: Thirty-two RA patients treated with biological disease-modifying anti-rheumatic drugs (bDMARDs) with low disease activity since at least 6 months and having erosion on the second or third metacarpeal head were enrolled in this pilot cross-sectional study. They were divided in two groups according to local inflammation assessed by Doppler ultrasound exam surrounding the site of erosion. Cortical and trabecular parameters of the metacarpeal head were then assessed by high-resolution peripheral quantitative computed tomography (HR-pQCT) and compared in both groups. RESULTS: Twenty and twelve RA patients were enrolled in the "Doppler positive erosion" (DE+) group and Doppler negative erosion (DE-) group, respectively. No difference was observed in their clinical or biological RA characteristics. Both cortical density and thickness were similar among groups. Within the trabecular network, while no difference in bone volume was observed, trabecular density as well as trabecular number were decreased (P<0.001 and P<0.05 respectively), whereas trabecular separation and distribution of trabecular separation were increased in DE+ compared to DE- (P<0.05). CONCLUSION: In RA patients in low disease activity under bDMARDs, persistence of local inflammation was associated with alteration of the trabecular compartment. Trabecular density was the most strongly altered parameter and could be a candidate to assess drug effect on periarticular bone damage. PMID- 29198887 TI - A novel catalytic ceramic membrane fabricated with CuMn2O4 particles for emerging UV absorbers degradation from aqueous and membrane fouling elimination. AB - A novel catalytic ceramic membrane (CM) for improving ozonation and filtration performance was fabricated by surface coating CuMn2O4 particles on a tubular CM. The degradation of ultraviolet (UV) absorbers, reduction of toxicity, elimination of membrane fouling and catalytic mechanism were investigated. The characterization results suggested the particles were well-fixed on membrane surface. The modified membrane showed improved benzophenone-3 removal performance (from 28% to 34%), detoxification (EC50 as 12.77%) and the stability of catalytic activity. In the degradation performance of model UV absorbers, the developed membrane significantly decreased the UV254 and DOC values in effluent. Compared with a virgin CM, this CM ozonation increased water flux as 29.9% by in-situ degrade effluent organic matters. The CuMn2O4 modified membrane enhanced the ozone self-decompose to generate O2- and initiated the chain reaction of ozone decomposition, and subsequently reacted with molecule ozone to produce OH. Additionally, CM was able to promote the interaction between ozone and catalyst/organic chemicals to form H2O2 that promoted the formation of OH. This catalytic ceramic membrane combining with ozonation showed potential applications in emerging pollutant degradation and membrane fouling elimination, and acted as a novel ternary technology for wastewater treatment and water reuse. PMID- 29198888 TI - Salvage Therapy for Brain Arteriovenous Malformations After Failure of Gamma Knife Stereotactic Radiosurgery. AB - OBJECTIVE: The aim of this study was to investigate delayed complications in patients with brain arteriovenous malformation (BAVM) after Gamma Knife stereotactic radiosurgery and to present the salvage therapy experiences of patients with BAVM with radiation-induced changes (RICs) or intracranial hemorrhage (ICH). METHODS: This cohort consisted of 44 patients with BAVM who underwent failed GKRS between 2000 and 2015. These patients were further divided into an RIC group (23 patients) and an ICH group (21 patients) based on their post-GKRS complications. The patients' characteristics, treatment strategies, and long-term outcomes were analyzed. The modified Rankin Scale was used to assess the neurologic status of each patient. RESULTS: In our study, the marginal dose and radiosurgery-based arteriovenous malformation score were not significantly different between the 2 groups. Craniotomy was performed in 26 patients (9 patients with ICH and 17 patients with RICs), and histologic examination showed cavernous angioma changes in 6 patients. In addition, 6 patients underwent repeat radiosurgery in the ICH group, and 7 patients used bevacizumab in the RIC group. Thirty patients showed good outcomes at the last follow-up (modified Rankin Scale score <3). CONCLUSIONS: Salvage therapy for patients with BAVM should be performed based on the latency period and lesion characteristics of each individual. Prompt treatment and a longer follow-up are recommended to achieve good clinical outcomes. PMID- 29198889 TI - Virtual Reality-Based Simulators for Cranial Tumor Surgery: A Systematic Review. AB - BACKGROUND: Virtual reality (VR) simulators have become useful tools in various fields of medicine. Prominent uses of VR technologies include assessment of physician skills and presurgical planning. VR has shown effectiveness in multiple surgical specialties, yet its use in neurosurgery remains limited. OBJECTIVE: To examine all current literature on VR-based simulation for presurgical planning and training in cranial tumor surgeries and to assess the quality of these studies. METHODS: PubMed and Embase were systematically searched to identify studies that used VR for presurgical planning and/or studies that investigated the use of VR as a training tool from inception to May 25, 2017. RESULTS: The initial search identified 1662 articles. Thirty-seven full-text articles were assessed for inclusion. Nine studies were included. These studies were subdivided into presurgical planning and training using VR. CONCLUSIONS: Prospects for VR are bright when surgical planning and skills training are considered. In terms of surgical planning, VR has noted and documented usefulness in the planning of cranial surgeries. Further, VR has been central to establishing reproducible benchmarks of performance in relation to cranial tumor resection, which are helpful not only in showing face and construct validity but also in enhancing neurosurgical training in a way not previously examined. Although additional studies are needed to better delineate the precise role of VR in each of these capacities, these studies stand to show the usefulness of VR in the neurosurgery and highlight the need for further investigation. PMID- 29198890 TI - Evaluation of Patency After Vascular Anastomosis Using Quantitative Evaluation of Visualization Time in Indocyanine Green Video Angiography. AB - BACKGROUND: In vascular reconstructive surgery, intraoperative confirmation of patency is performed by angiography, Doppler, or indocyanine videoangiography, but it is sometimes insufficient. OBJECTIVE: Using the FLOW 800 system (Carl Zeiss, Oberkochen, Germany), we confirmed patency in a quantitative relative evaluation of the timing of the luminance change of the regions of interest (ROIs) on the donor and recipient. METHODS: Thirty-seven patients (58 anastomoses) were divided into 2 groups: those with arteriosclerotic ischemic disease (CI group; n = 23) and those with cerebral aneurysm (AN group; n = 14). Four ROIs were set: the donor, proximal, and distal sides of the recipient middle cerebral artery (MCA) and cortical MCA (control MCA). The half-life for fluorescence intensity was calculated by using the FLOW 800 system. A delay map analysis was also performed. RESULTS: In the CI group, there were statistically significant differences (P < 0.05) between the donor vessel and control MCA, proximal MCA and MCA control, and distal MCA and control MCA. The investigation with the delay map showed red tones in 20/22 patients in the CI group and in 2/17 patients in the AN group. CONCLUSIONS: In the CI group, the transit time of the donor vessel was shown relatively early as red T. When good patency has been achieved, the FLOW 800 system can be used to confirm patency more reliably, especially in ischemic regions. The unique point of this research is that the patency of anastomotic vessels was evaluated as a quantitative value of its rendering time rather than as a change in fluorescence intensity. PMID- 29198891 TI - Observing the advanced disease course in mucopolysaccharidosis, type IIIA; a case series. AB - This follow-up study of a subgroup of the patients seen in a natural history study of mucopolysaccharidosis type IIIA (Sanfilippo syndrome type A) addressed the adaptive and medical characteristics of their advanced disease manifestations. Of the original 24 patients, specific data was collected on only 58% primarily due to difficulty in locating families and coordinating time for interviews two to four years after the original study. At the last contact with the patient, age range was 8 to 24years of age. Data were collected from telephone interviews from the Vineland Adaptive Behavior Scales II and medical and treatment history. We report the case data from rapid progressing and slow progressing patients separately. By the end of our data collection, 5 patients had died; 4 rapid progressing patients between 8 and 12years of age and 1 slow progressing patient at age 21. Two patients were in out-of-home placements in the year before they died. We found that the incidence of surgeries and epilepsy was relatively low and that behavior problems largely subsided. Adaptive levels were very low with children functioning at below a two-year age equivalent level in all adaptive functions, but motor skills were slightly more intact. Only one slow progressing patient was functioning above a three-year level. Parent burden had shifted from behavioral control to physical management. Although their quality of life was clearly negatively impacted by physical management and palliative care, parents were more able to cope and adapt to such demands than in the initial stages of the disease. PMID- 29198892 TI - RTB lectin-mediated delivery of lysosomal alpha-l-iduronidase mitigates disease manifestations systemically including the central nervous system. AB - Mucopolysaccharidosis type I (MPS I) is a lysosomal disease resulting from deficiency in the alpha-L-iduronidase (IDUA) hydrolase and subsequent accumulation of glycosaminoglycan (GAG). Clinically, enzyme replacement therapy (ERT) with IDUA achieves negligible neurological benefits presumably due to blood brain-barrier (BBB) limitations. To investigate the plant lectin ricin B chain (RTB) as a novel carrier for enzyme delivery to the brain, an IDUA:RTB fusion protein (IDUAL), produced in N. benthamiana leaves, was tested in a murine model of Hurler syndrome (MPS I). Affect mice (n=3 for each group) were intravenously injected with a single dose of IDUAL (0.58, 2 or 5.8mgIDUAequivalents/kg) and analyzed after 24h. IDUA activities in liver, kidney and spleen increased significantly, and liver GAG levels were significantly reduced in all three groups. Plasma IDUA levels for all treated groups were high at 1h after injection and decreased by 95% at 4h, indicating efficient distribution into tissues. For long-term evaluations, IDUAL (0.58 or 2mg/kg, 8 weekly injections) was intravenously injected into MPS I mice (n=12 for each group). Thirteen days after the 8th injection, significant IDUA activity was detected in the liver and spleen. GAG levels in tissues including the brain cortex and cerebellum were significantly reduced in treated animals. Treated MPS I mice also showed significant improvement in neurocognitive testing. ELISA results showed that while there was a significant antibody response against IDUAL and plant-derived IDUA, there was no significant antibody response to RTB. No major toxicity or adverse events were observed. Together, these results showed that infusion of IDUAL allowed for significant IDUA levels and GAG reduction in the brain and subsequent neurological benefits. This RTB-mediated delivery may have significant implications for therapeutic protein delivery impacting a broad spectrum of lysosomal, and potentially neurological diseases. PMID- 29198893 TI - Synthesis and anti-influenza virus evaluation of triterpene-sialic acid conjugates. AB - We are interested in new non-natural glycosides with sialic acid conjugates and their biological activities. We report the synthesis of eleven non-natural occurring glycosides, which are triterpene (glycyrrhetinic acid and its derivatives)-sialic acid conjugates, and their inhibitory activities against influenza virus sialidases and influenza virus multiplication in MDCK host cells. Deoxoglycyrrhetol-sialic acid conjugates (6d and 6e) and oleanolic acid-sialic acid conjugates (7d and 7e) showed strong inhibitory activities against three subtypes of influenza virus sialidases. These four compounds (6d, 6e, 7d and 7e) showed clear inhibition to influenza virus multiplication but not to MDCK host cell survival. PMID- 29198894 TI - Design, synthesis and biological evaluation of novel indole-xanthendione hybrids as selective estrogen receptor modulators. AB - Ground breaking clinical therapeutic advances in the treatment of breast cancer (BC) is the introduction of selective estrogen receptor modulators (SERMs). We have expeditiously designed and synthesized indole-xanthendione hybrids by coalescing the indole nucleus with xanthendione. All the compounds were first screened for anti-proliferative activity, cytotoxicity and ER-alpha binding affinity by utilizing ER-alpha dominant T47D BC cell lines, PBMCs and ER-alpha competitor assay kit. From this study, two representative compounds 6e and 6f showing most promising activity were advanced for gene expression studies for targeting ER-alpha. Cell imaging experiment undoubtedly indicate that both the compounds were able to cross cellular bio membrane and accumulate thus instigating cytotoxicity. RT-PCR and Western blotting experiments further strengthened that both compounds altered the expression of mRNA and receptor protein of ER-alpha, thereby forestalling downstream transactivation and signalling pathway in T47D cells line. Structural investigation from induced fit simulation study suggest that indole moiety of the compounds 6e and 6f helps in the anchoring of the xanthendione moiety in the hydrophobic region of the cavity thus enabling the compound to bind in antagonistic conformation similar to bazedoxifene by extensive hydrogen bonding and Van der Waals forces. All these finding collectively imply that compound 6e and 6f represents a novel potent ER alpha antagonist and in the development of SERMs for the management of BC. PMID- 29198895 TI - Portal-to-right portal vein bypass for extrahepatic portal vein obstruction. AB - OBJECTIVE: Rex shunt (mesenteric-to-left portal vein bypass) is considered a more physiologically rational treatment for EHPVO than other portosystemic systemic shunts in children. However, about 13.6% of children with EHPVO do not have usable left portal veins and up to 28.1%. Rex operations in children are not successful. Hence, a Rex shunt in these children was impossible. This study reports a novel approach by portal-to-right portal vein bypass for treatment of children with failed Rex shunts. MATERIAL AND METHODS: Eight children (age 6.1years, range 3.5-8.9years) who underwent Rex shunts developed recurrent gastrointestinal bleeding and hypersplenism 13months (11-30months) postoperatively. After ultrasound confirmation of blocked shunt, they underwent exploration. Three patients were found to have right portal vein agenesis. Five patients (62.5%) were found to have the patent right portal vein, with the diameter of 3-6mm. Four patients underwent bypass between the main portal vein in the hepatoduodenal ligament and the right portal vein by interposing an inferior mesenteric vein autograft, whereas the remaining patient underwent a bypass using ileal mesenteric vein autograft. RESULTS: The operations took 2.3h (1.9-3.5h). The estimated blood loss was 50ml (30-80ml), with no complication. The portal venous pressure dropped from 34.6cmH2O (28-45 cmH2O) before the bypass to 19.6cmH2O (14-24cmH2O) after the bypass. The 5 patients were followed up for 10.2months (4-17months) and the post-operative ultrasound and CT angiography confirmed the patency of all the grafts and disappearance of the portal venous cavernova in all five patients. CONCLUSION: The portal-to-right portal vein bypass technique is feasible and safe for treatment of children with EHPVO who have had failed Rex shunts. Our preliminary result indicates that this technique extends the success of Rex shunt from left portal vein to right portal vein and open a new indication of physiological shunt for some of the children who not only have had failed Rex shunts or but also are not suitable for the Rex shunts. TYPE OF STUDY: Treatment study. LEVEL OF EVIDENCE: Level IV. PMID- 29198896 TI - Computed tomographic imaging in the pediatric patient with a seatbelt sign: still not good enough. AB - PURPOSE: Considering the improvements in CT over the past decade, this study aimed to determine whether CT can diagnose HVI in pediatric trauma patients with seatbelt signs (SBS). METHODS: We retrospectively identified pediatric patients with SBS who had abdominopelvic CT performed on initial evaluation over 5 1/2years. Abnormal CT was defined by identification of any intra-abdominal abnormality possibly related to trauma. RESULTS: One hundred twenty patients met inclusion criteria. CT was abnormal in 38/120 (32%) patients: 34 scans had evidence of HVI and 6 showed solid organ injury (SOI). Of the 34 with suspicion for HVI, 15 (44%) had small amounts of isolated pelvic free fluid as the only abnormal CT finding; none required intervention. Ultimately, 16/120 (13%) patients suffered HVI and underwent celiotomy. Three patients initially had a normal CT but required celiotomy for clinical deterioration within 20h of presentation. False negative CT rate was 3.6%. The sensitivity, specificity and accuracy of CT to diagnose significant HVI in the presence of SBS were 81%, 80%, and 80%, respectively. CONCLUSIONS: Despite improvements in CT, pediatric patients with SBS may have HVI not evident on initial CT confirming the need to observation for delayed manifestation of HVI. LEVEL OF EVIDENCE: Level II Study of a Diagnostic Test. PMID- 29198897 TI - The idle central venous catheter in the NICU: When should it be removed? AB - PURPOSE: There is debate regarding the optimal timing of central line removal in the neonatal intensive care unit (NICU). The purpose was to evaluate outcomes of idle peripherally inserted central catheters (PICCs) and tunneled central venous catheters (TCVCs) and determine the incidence of line-related infections and replacements. METHODS: Patients in the NICU with T-CVCs placed between 11/2008 and 8/2015 (n=134) or PICCs placed between 7/2013 and 10/2015 (n=467) were included. Demographics and outcomes were compared. RESULTS: The most common indications for line placement were parenteral nutrition for PICCs (74%) and lack of access for T-CVCs (53%). T-CVCs had a greater proportion of idle days (T-CVC- 25.2% vs PICC- 5.1%, p<0.001) and removal within 24h of discharge (T-CVC-53% vs PICC-5.8%, p<0.001). Conversely, 81% of PICCs were removed within 24h of nonuse. Line replacement after removal for nonuse was required in 6% of PICCs and zero T CVCs. In both groups, the central line-associated bloodstream infection (CLABSI) rate was lower in idle lines compared to ones in use. CONCLUSION: Patients treated with PICCs and T-CVCs are different populations and should have different guidelines for removal. In neonates with difficult access, the low risk of CLABSIs in idle surgically placed catheters may justify maintaining access until discharge. TYPE OF STUDY: Treatment study. LEVEL OF EVIDENCE: III. PMID- 29198898 TI - Levels of prebeta-1 high-density lipoprotein are elevated in 3 phenotypes of dyslipidemia. AB - BACKGROUND: Prebeta-1 high-density lipoprotein (HDL) is a small subspecies of HDL that functions as the HDL quantum particle and is the principal acceptor of cholesterol effluxed from macrophages through the ATP-binding cassette transporter, ABCA1. High levels of prebeta-1 HDL are associated with increased risk of structural coronary artery disease and myocardial infarction. OBJECTIVE: We aimed to compare prebeta-1 HDL levels in normal subjects and in 3 phenotypes of dyslipidemia. METHODS: We studied 2435 individuals (1388 women; 1047 men). Of these, 2018 were not taking lipid-lowering medication when enrolled: 392 were normolipidemic controls; 713 had elevated levels of low-density lipoprotein cholesterol; 623 had combined hyperlipidemia; and 290 had hypertriglyceridemia. RESULTS: Relative to controls, prebeta-1 HDL levels were increased in all 3 dyslipidemic phenotypes, particularly the combined and hypertriglyceridemia groups. This increase possibly reflects increased acceptor capacity of apolipoprotein B-100 containing lipoproteins for entropically driven transfer of cholesteryl esters from HDL via cholesteryl ester transfer protein. Multiple regression analysis revealed that the main predictor variables significantly associated with prebeta-1 HDL levels were apolipoprotein A-I (apoA-1) (beta = 0.500), triglyceride (beta = 0.285), HDL-C (beta = -0.237), and age (beta = 0.169). There was an interaction between apoA-1 and sex (female vs male; beta = 0.110). Among postmenopausal women, estrogenized subjects had a similar level of prebeta-1 HDL compared to those not receiving estrogens. CONCLUSIONS: Prebeta-1 HDL levels are elevated in the 3 most common types of hyperlipidemia and are most strongly influenced by the levels of apoA-1, triglyceride, and HDL-C. PMID- 29198900 TI - Time Course of Flow-Mediated Dilation and Vascular Endothelial Growth Factor following Acute Stroke. AB - OBJECTIVES: People after stroke demonstrate alterations in vascular endothelial function measured by flow-mediated dilation. Limited information is available in the literature on possible protective factors following stroke. The aims of the secondary analysis were (1) to characterize the time course of vascular endothelial function using flow-mediated dilation at 72 hours after stroke and 1 week later during inpatient stroke rehabilitation and (2) to determine whether flow-mediated dilation was related to vascular endothelial growth factor, brain derived neurotrophic factor, or estimated prestroke peak oxygen uptake. METHODS: Flow-mediated dilation using Doppler ultrasound was assessed in bilateral brachial arteries at the defined time points. Flow-mediated dilation and blood draws occurred on the same day between 7:30 am and 9:00 am following an overnight fast. Enzyme-linked immunosorbent assay was used to quantify plasma vascular endothelial growth factor and brain-derived neurotrophic factor values. A nonexercise estimate was used to calculate prestroke peak oxygen uptake. RESULTS: We have shown that between-limb differences are evident within 72 hours after stroke and remain 1 week later during inpatient rehabilitation. Higher values for vascular endothelial growth factor were associated with increased flow-mediated dilation at both time points. Higher estimated prestroke peak oxygen uptake was related to flow-mediated dilation. Brain-derived neurotrophic factor was not related to any outcome measures. CONCLUSIONS: Unique vascular adaptations start early after stroke in the stroke-affected limb and remain through inpatient stroke rehabilitation. Vascular endothelial growth factor and prestroke physical activity may have a protective role in vascular function following stroke. Future work should focus on mechanistic pathways for preservation of vascular health. PMID- 29198899 TI - Sentinel surveillance data from Eritrean migrants in Italy: The theory of "Healthy Migrants". AB - BACKGROUND: Eritrean migrants accounted for the majority of people who drowned in the Mediterranean this year. Recently, data deficit about international migration has been reported. METHODS: One hundred and thirty-three Eritrean migrants, upon their arrival in Italy, were accommodated at the asylum seekers center of Castelnuovo di Porto, together with 25 sanitary workers, and received microbiological surveillance at the Clinical Pathology and Microbiology Unit of the University Campus Bio-Medico of Rome. RESULTS: Gram-negative bacteria, mostly Klebsiella pneumoniae and Klebsiella oxytoca, were frequently recovered in surveillance swabs. Gram-positive bacteria, represented by Streptococcus pneumoniae, Streptococcus pyogenes, Streptococcus dysgalactiae and Staphylococcus aureus, were also isolated in surveillance swabs. In migrants, polymicrobial swabs were recovered at high frequency, and unusual microorganisms, rarely found in our country, were isolated. CONCLUSION: The polymicrobial colonization and the high prevalence of gram-negative bacteria represent the baseline characteristics of this migrant population from Eritrea. The presence of unusual microorganisms can be potentially pathogenic to asymptomatic carriers at risk of developing clinical disease if immunosuppressed or subjected to invasive procedures. In conclusion, active microbiological surveillance can represent an advantage for the host country in terms of data collection and by tracing unusual or resistant microorganisms by monitoring migrants' health status. PMID- 29198901 TI - Does the Primary Imaging Modality-Computed Tomography or Magnetic Resonance Imaging-Influence Stroke Physicians' Certainty on Whether or Not to Give Thrombolysis to Randomized Acute Stroke Patients? AB - BACKGROUND: Door-to-needle time of 20 minutes to stroke patients with intravenous tissue plasminogen activator (iv-tPA) is feasible when computed tomography (CT) is used as first-line of brain imaging. Magnetic resonance imaging (MRI)-based assessment is more time-consuming but superior in detecting acute ischemia. The certainty with which stroke physicians prescribe or refrain from giving iv-tPA treatment to CT- versus MRI-examined patients has not previously been studied. The aim of the present study was to determine the effect of a primary imaging strategy of CT or MRI on clinicians' certainty to prescribe or refrain from giving iv-tPA to patients with suspected acute stroke. METHOD: Consecutive patients with suspected stroke were quasi-randomized to either CT- or MRI-based assessment before potential iv-tPA treatment. The influence of (1) the clinical findings and (2) the image findings, and (3) the certainty with which the stroke physician prescribed or refrained from giving iv-tPA treatment were assessed with visual analog scales (VAS). Predictors of treatment certainty were identified with a random-effect model. RESULTS: Four-hundred forty-four consecutive patients were quasi-randomized. MRI influenced the final treatment decision more than CT (P = .002). Compared with CT-examined patients (mean VAS score 8.6, SD +/-1.6) stroke physicians were significantly more certain when prescribing or refraining from giving iv-tPA to MRI-examined patients (mean VAS score 9.0, SD +/-1.2) (P = .014). No differences in modified Rankin scale or mortality were detected at 3 months in CT- versus MRI-examined iv-tPA-treated patients. CONCLUSIONS: Stroke physicians were significantly more certain when prescribing iv-tPA to MRI examined stroke patients, and MRI influences the final treatment decision significantly more compared with CT, although no difference in mortality and functional outcome at 3 months was detected between CT- and MRI-examined patients treated with iv-tPA. PMID- 29198902 TI - Inoculum effect of high concentrations of methicillin-susceptible Staphylococcus aureus on the efficacy of cefazolin and other beta-lactams. AB - The existence of a cefazolin inoculum effect (InE) of methicillin-susceptible Staphylococcus aureus (MSSA), which is speculated to be a reason for cefazolin treatment failure in MSSA infections, is controversial. In Japan, although cefazolin is one of the therapeutic choices for patients with MSSA infection, there are few reports of this effect. Additionally, the association between InE and blaZ type in beta-lactams other than cefazolin has not been well documented. In this study, we confirmed an MSSA InE in several beta-lactams, including cefazolin, and its relationship with blaZ, using 52 MSSA isolates from blood cultures. Three isolates (5.8%) that possessed type A blaZ showed a pronounced cefazolin InE. Five isolates (9.6%) showed pronounced InE with sulbactam/ampicillin; four isolates had type C blaZ and one had type A blaZ. However, we confirmed InE in MSSA isolates with blaZ not only type A and C but also B and D. For cefotaxime, ceftriaxone, imipenem, and meropenem, regardless of the presence of blaZ, we did not observe a significant increase in MICs at a high inoculum of MSSA. Hence, our results suggest that the above four beta-lactams are good alternatives to cefazolin if InE leads to treatment failure in a patient. PMID- 29198903 TI - Canadian Registry of Implantable Electronic Device Outcomes: Longer-term follow up of the Riata lead under advisory. AB - BACKGROUND: The Riata lead advisory was announced in 2011 and has posed unique management challenges because of cable externalization and insulation abrasion, in some cases leading to sudden loss of defibrillation. OBJECTIVE: The purpose of this study was to provide further data on the rate of electrical failure in a population of patients with a Riata lead under advisory. METHODS: Using the Canadian Registry of Electronic Device Outcomes, prospective follow-up data were collected on 1352 Riata leads under advisory in 17 implantable cardioverter defibrillator (ICD) implantation centers in Canada. Data on electrical and structural failure were collected, as well as periprocedural complications related to lead revision (abandonment or extraction). RESULTS: Of the 1352 leads included in this 12-month follow-up cohort, 110 leads were revised. Mean follow up time was 10.4 +/- 1.5 years. The 12-year rate of electrical failure for the 8Fr lead was 9.45%, whereas the 10-year failure rate for the 7Fr lead was 7.25% and was not found to be accelerating. Of the leads revised because of advisory only (patient preference, advisory related, electrical or structural failure), the majority were abandoned (n = 54 [76.0%]), whereas 17 (24.0%) were extracted using power tools. The rate of major complications in each group was 5.6% and 5.9%, respectively. CONCLUSION: This report provides further data on the risk of electrical lead failure over a long lead dwell time. The risk of failure exceeds the risk of periprocedural major complications, indicating that the risk-to benefit ratio is favorable to revise the lead in appropriate clinical scenarios. PMID- 29198904 TI - Synthesis and biological evaluation of 1-amino isochromans from 2-bromoethyl benzaldehyde and amines in acid medium. AB - We have developed a facile and efficient synthetic route to substituted isochromans for the first time by reacting 2-(2-bromoethyl)benzaldehyde with a variety of aryl, heteroaryl amines in AcOH. The reaction is catalyst/additive free and takes place at reflux conditions with short reaction time to furnish products in good to excellent yields. All the compounds have been characterized by spectral techniques such as IR, 1H NMR and Mass etc. Synthesized compounds were evaluated for antimicrobial activity against specific bacterial like 1) Staphylococcus strains aureus 2) Bacillus subtilis 3) Escherichia coli 4) Pseudomonas aeruginosa. Compounds 3e, 3n, 3 m, 3 l, 3 k, 3j and 3b showed most potent in vitro activity against bacterial strains. PMID- 29198905 TI - The Microbiota Regulates Immunity and Immunologic Diseases in Dogs and Cats. AB - The complex commensal microbiota found on body surfaces controls immune responses and the development of allergic and inflammatory diseases. New genetic technologies permit investigators to determine the composition of the complex microbial populations found on these surfaces. Changes in the microbiota (dysbiosis) as a result of antibiotic use, diet, or other factors thus influence the development of many diseases in the dog and cat. The most important of these include chronic gastrointestinal disease; respiratory allergies, such as asthma; skin diseases, especially atopic dermatitis; and some autoimmune diseases. PMID- 29198906 TI - Vaccines in Shelters and Group Settings. AB - Dogs and cats entering animal shelters are at high risk of acquiring 1 or more contagious infectious diseases. Such animals may be severely stressed, exhausted, and unwell, as well as malnourished and parasitized. The typically high throughput of shelter animals, many of them young and of unknown vaccination status, plays a role. Vaccines are a crucially important part of the management approach to limiting morbidity, mortality, and spread of infection. Guidelines for the use of vaccines in shelters have been published and are reviewed and discussed in this article. PMID- 29198907 TI - Aquatic life in Neotropical rainforest canopies: Techniques using artificial phytotelmata to study the invertebrate communities inhabiting therein. AB - In Neotropical rainforest canopies, phytotelmata ("plant-held waters") shelter diverse aquatic macroinvertebrate communities, including vectors of animal diseases. Studying these communities is difficult because phytotelmata are widely dispersed, hard to find from the ground and often inaccessible. We propose here a method for placing in tree crowns "artificial phytotelmata" whose size and shape can be tailored to different research targets. The efficacy of this method was shown while comparing the patterns of community diversity of three forest formations. We noted a difference between a riparian forest and a rainforest, whereas trees alongside a dirt road cutting through that rainforest corresponded to a subset of the latter. Because rarefied species richness was significantly lower when the phytotelmata were left for three weeks rather than for six or nine weeks, we recommend leaving the phytotelmata for twelve weeks to permit predators and phoretic species to fully establish themselves. PMID- 29198908 TI - Overexpression of nuclear AR-V7 protein in primary prostate cancer is an independent negative prognostic marker in men with high-risk disease receiving adjuvant therapy. AB - BACKGROUND: Overexpression of the androgen receptor (AR) splice variant 7 (AR-V7) has recently been reported to be associated with resistance to antihormonal therapy. Herein, we address the question whether tumor cells with AR-V7 expression can be detected at the time of radical prostatectomy, that is, before long-term hormonal manipulation and castration resistance, and what the potential prognostic impact on the biochemical recurrence (BCR)-free survival may be. METHODS: An anti-AR-V7 antibody was first validated in a training set of prostate cancer specimens by a comparison of AR-V7 protein to AR-V7 mRNA expression. We then analyzed nuclear AR-V7 protein expression in the primary tumors and lymph node metastases from 163 predominantly high-risk patients (cohort I) as well as the primary tumors from patients of a second, consecutive patient cohort (n = 238, cohort II) not selected for any clinicopathological features. Staining results were correlated to patient characteristics and BCR-free patient survival. RESULTS: High nuclear AR-V7 protein expression was detected in approximately 30% 40% of patients in cohort I and II at the time of radical prostatectomy. High baseline expression of nuclear AR-V7 protein was associated with an unfavorable BCR-free survival in the high-risk patient cohort I but not in the unselected consecutive cohort II. Remarkably, AR-V7 was an independent negative prognostic factor in high-risk prostate cancer patients of cohort I who were selected to receive adjuvant treatment. CONCLUSIONS: Prostate cancer cells with high nuclear AR-V7 protein expression can be detected in a substantial proportion of tumors at the time of radical prostatectomy. The presence of AR-V7-positive tumor cells is associated with an unfavorable prognosis for BCR-free survival in a high-risk patient cohort including a subgroup of patients selected to receive adjuvant therapy, in which AR-V7 was an independent negative prognosticator. Overexpression of nuclear AR-V7 protein hence identifies a subset of tumors with remarkably aggressive growth characteristics among clinically and histologically high-risk patients at the time of radical prostatectomy. PMID- 29198910 TI - Performance of Xpert MTB/RIF Ultra: a matter of dead or alive. PMID- 29198909 TI - HIV-1 drug resistance before initiation or re-initiation of first-line antiretroviral therapy in low-income and middle-income countries: a systematic review and meta-regression analysis. AB - BACKGROUND: Pretreatment drug resistance in people initiating or re-initiating antiretroviral therapy (ART) containing non-nucleoside reverse transcriptase inhibitors (NNRTIs) might compromise HIV control in low-income and middle-income countries (LMICs). We aimed to assess the scale of this problem and whether it is associated with the intiation or re-initiation of ART in people who have had previous exposure to antiretroviral drugs. METHODS: This study was a systematic review and meta-regression analysis. We assessed regional prevalence of pretreatment drug resistance and risk of pretreatment drug resistance in people initiating ART who reported previous ART exposure. We systematically screened publications and unpublished datasets for pretreatment drug-resistance data in individuals in LMICs initiating or re-initiating first-line ART from LMICs. We searched for studies in PubMed and Embase and conference abstracts and presentations from the Conference on Retroviruses and Opportunistic Infections, the International AIDS Society Conference, and the International Drug Resistance Workshop for the period Jan 1, 2001, to Dec 31, 2016. To assess the prevalence of drug resistance within a specified region at any specific timepoint, we extracted study level data and pooled prevalence estimates within the region using an empty logistic regression model with a random effect at the study level. We used random effects meta-regression to relate sampling year to prevalence of pretreatment drug resistance within geographical regions. FINDINGS: We identified 358 datasets that contributed data to our analyses, representing 56 044 adults in 63 countries. Prevalence estimates of pretreatment NNRTI resistance in 2016 were 11.0% (7.5-15.9) in southern Africa, 10.1% (5.1-19.4) in eastern Africa, 7.2% (2.9-16.5) in western and central Africa, and 9.4% (6.6-13.2) in Latin America and the Caribbean. There were substantial increases in pretreatment NNRTI resistance per year in all regions. The yearly increases in the odds of pretreatment drug resistance were 23% (95% CI 16-29) in southern Africa, 17% (5 30) in eastern Africa, 17% (6-29) in western and central Africa, 11% (5-18) in Latin America and the Caribbean, and 11% (2-20) in Asia. Estimated increases in the absolute prevalence of pretreatment drug resistance between 2015 and 2016 ranged from 0.3% in Asia to 1.8% in southern Africa. INTERPRETATION: Pretreatment drug resistance is increasing at substantial rate in LMICs, especially in sub Saharan Africa. In 2016, the prevalence of pretreatment NNRTI resistance was near WHO's 10% threshold for changing first-line ART in southern and eastern Africa and Latin America, underscoring the need for routine national HIV drug-resistance surveillance and review of national policies for first-line ART regimen composition. FUNDING: Bill & Melinda Gates Foundation and World Health Organization. PMID- 29198912 TI - Time to overcome pretreatment HIV drug resistance. PMID- 29198911 TI - Xpert MTB/RIF Ultra for detection of Mycobacterium tuberculosis and rifampicin resistance: a prospective multicentre diagnostic accuracy study. AB - BACKGROUND: The Xpert MTB/RIF assay is an automated molecular test that has improved the detection of tuberculosis and rifampicin resistance, but its sensitivity is inadequate in patients with paucibacillary disease or HIV. Xpert MTB/RIF Ultra (Xpert Ultra) was developed to overcome this limitation. We compared the diagnostic performance of Xpert Ultra with that of Xpert for detection of tuberculosis and rifampicin resistance. METHODS: In this prospective, multicentre, diagnostic accuracy study, we recruited adults with pulmonary tuberculosis symptoms presenting at primary health-care centres and hospitals in eight countries (South Africa, Uganda, Kenya, India, China, Georgia, Belarus, and Brazil). Participants were allocated to the case detection group if no drugs had been taken for tuberculosis in the past 6 months or to the multidrug resistance risk group if drugs for tuberculosis had been taken in the past 6 months, but drug resistance was suspected. Demographic information, medical history, chest imaging results, and HIV test results were recorded at enrolment, and each participant gave at least three sputum specimen on 2 separate days. Xpert and Xpert Ultra diagnostic performance in the same sputum specimen was compared with culture tests and drug susceptibility testing as reference standards. The primary objectives were to estimate and compare the sensitivity of Xpert Ultra test with that of Xpert for detection of smear-negative tuberculosis and rifampicin resistance and to estimate and compare Xpert Ultra and Xpert specificities for detection of rifampicin resistance. Study participants in the case detection group were included in all analyses, whereas participants in the multidrug-resistance risk group were only included in analyses of rifampicin resistance detection. FINDINGS: Between Feb 18, and Dec 24, 2016, we enrolled 2368 participants for sputum sampling. 248 participants were excluded from the analysis, and 1753 participants were distributed to the case detection group (n=1439) and the multidrug-resistance risk group (n=314). Sensitivities of Xpert Ultra and Xpert were 63% and 46%, respectively, for the 137 participants with smear-negative and culture-positive sputum (difference of 17%, 95% CI 10 to 24); 90% and 77%, respectively, for the 115 HIV-positive participants with culture positive sputum (13%, 6.4 to 21); and 88% and 83%, respectively, across all 462 participants with culture-positive sputum (5.4%, 3.3 to 8.0). Specificities of Xpert Ultra and Xpert for case detection were 96% and 98% (-2.7%, -3.9 to -1.7) overall, and 93% and 98% for patients with a history of tuberculosis. Xpert Ultra and Xpert performed similarly in detecting rifampicin resistance. INTERPRETATION: For tuberculosis case detection, sensitivity of Xpert Ultra was superior to that of Xpert in patients with paucibacillary disease and in patients with HIV. However, this increase in sensitivity came at the expense of a decrease in specificity. FUNDING: Government of Netherlands, Government of Australia, Bill & Melinda Gates Foundation, Government of the UK, and the National Institute of Allergy and Infectious Diseases. PMID- 29198915 TI - HPV vaccination strategies targeting hard-to-reach populations: Out-of-school girls in LMICs. PMID- 29198914 TI - Glut3 Addiction Is a Druggable Vulnerability for a Molecularly Defined Subpopulation of Glioblastoma. AB - While molecular subtypes of glioblastoma (GBM) are defined using gene expression and mutation profiles, we identify a unique subpopulation based on addiction to the high-affinity glucose transporter, Glut3. Although Glut3 is a known driver of a cancer stem cell phenotype, direct targeting is complicated by its expression in neurons. Using established GBM lines and patient-derived stem cells, we identify a subset of tumors within the "proneural" and "classical" subtypes that are addicted to aberrant signaling from integrin alphavbeta3, which activates a PAK4-YAP/TAZ signaling axis to enhance Glut3 expression. This defined subpopulation of GBM is highly sensitive to agents that disrupt this pathway, including the integrin antagonist cilengitide, providing a targeted therapeutic strategy for this unique subset of GBM tumors. PMID- 29198913 TI - Antibody Tumor Targeting Is Enhanced by CD27 Agonists through Myeloid Recruitment. AB - Monoclonal antibodies (mAbs) can destroy tumors by recruiting effectors such as myeloid cells, or targeting immunomodulatory receptors to promote cytotoxic T cell responses. Here, we examined the therapeutic potential of combining a direct tumor-targeting mAb, anti-CD20, with an extended panel of immunomodulatory mAbs. Only the anti-CD27/CD20 combination provided cures. This was apparent in multiple lymphoma models, including huCD27 transgenic mice using the anti-huCD27, varlilumab. Detailed mechanistic analysis using single-cell RNA sequencing demonstrated that anti-CD27 stimulated CD8+ T and natural killer cells to release myeloid chemo-attractants and interferon gamma, to elicit myeloid infiltration and macrophage activation. This study demonstrates the therapeutic advantage of using an immunomodulatory mAb to regulate lymphoid cells, which then recruit and activate myeloid cells for enhanced killing of mAb-opsonized tumors. PMID- 29198916 TI - Anxiety-related adverse events following immunization (AEFI): A systematic review of published clusters of illness. AB - BACKGROUND: Clusters of anxiety-related adverse events following immunization (AEFI) have been observed in several countries and have disrupted country immunization programs. We conducted a systematic literature review to characterize these clusters, to generate prevention and management guidance for countries. METHODS: We searched seven peer-reviewed databases for English language reports of anxiety-related AEFI clusters (>=2 persons) with pre specified keywords across 4 categories: symptom term, cluster term, vaccine term, and cluster AEFI phenomenon term/phrase. All relevant reports were included regardless of publication date, case-patient age, or vaccine. Two investigators independently reviewed abstracts and identified articles for full review. Data on epidemiologic/clinical information were extracted from full text review including setting, vaccine implicated, predominant case-patient symptoms, clinical management, community and media response, and outcome/impact on the vaccination program. RESULTS: Of 1472 abstracts reviewed, we identified eight published clusters, from all six World Health Organization (WHO) regions except the African Region. Seven clusters occurred among children in school settings, and one was among adult military reservists. The size and nature of these clusters ranged from 7 patients in one school to 806 patients in multiple schools. Patients' symptoms included dizziness, headache, and fainting with rapid onset after vaccination. Implicated vaccines included tetanus (2), tetanus-diphtheria (1), hepatitis B (1), oral cholera (1), human papillomavirus (1), and influenza A (H1N1)pdm09 (2). In each report, all affected individuals recovered rapidly; however, vaccination program disruption was noted in some instances, sometimes for up to one year. CONCLUSIONS: Anxiety-related AEFI clusters can be disruptive to vaccination programs, reducing public trust in immunizations and impacting vaccination coverage; response efforts to restore public confidence can be resource intensive. Health care providers should have training on recognition and clinical management of anxiety-related AEFI; public health authorities should have plans to prevent and effectively manage anxiety-related AEFI clusters. Prompt management of these occurrences can be even more important in an era of social media, in which information is rapidly spread. PMID- 29198917 TI - Early impact of universal varicella vaccination on childhood varicella and herpes zoster hospitalizations in Brazil. AB - INTRODUCTION: The Brazilian childhood National Immunization Program (NIP) introduced live and attenuated varicella vaccination in a single dose, combined as tetraviral vaccine, at 15 months of age in the whole country, during September to December of 2013. The aim of this study was to report trends in incidence of childhood hospital admissions related to varicella and zoster in Brazil from 2003 to 2016, including the first three years after vaccine introduction. METHODS: The number and incidence of hospital admission in patients aged less than 20 years in Brazilian public health system with an admission diagnosis of varicella and zoster from 2003 to 2016 were analyzed and pre (2003-2013) and post-vaccination periods (2014-2016) were compared. The data were obtained from DATASUS, a Brazilian government's open-access public health database system, and analyzed adjusting for secular trend and seasonality if a statistically significant change was found. RESULTS: During the study period, 69,791 admissions due to varicella and herpes zoster occurred in the children younger than 20 years. After adjusting for seasonality, the incidence of hospitalizations decreased from 27.33 to 14.33 per 100000 per year, which corresponds to a reduction of 47.6% (95% confidence interval 18.19-77.04%, p < 0.001) in the vaccinated age group (1-4 years) in 2014 2016 compared to pre-vaccination period. The changes were not significant in the unvaccinated age groups. CONCLUSION: The hospitalizations due to varicella and herpes zoster were decreased by half early after the introduction of a single dose of tetraviral vaccine in NIP in the vaccinated children. Further studies may assess duration and intensity of this effect, as well as the indirect effect in the unvaccinated age groups. PMID- 29198918 TI - Observations on the epidemiology of rotavirus infection among hospitalized children younger than 5 years in 2 Ukrainian hospitals, 2007-2015. AB - BACKGROUND: Acute gastroenteritis remains a burden among children under 5 years of age. Ukraine joined the World Health Organization's Global Rotavirus Surveillance Network in 2006, with a goal of providing accurate rotavirus burden data to aid policy makers in planning for rotavirus vaccine introduction. This analysis describes rotavirus epidemiology among Ukrainian children enrolled in Kyiv and Odesa, two large Ukrainian cities. METHODS: Children 0-59 months of age hospitalized for acute gastroenteritis at 2 sentinel sites in Kyiv and Odesa were enrolled into the active, prospective surveillance program. In Odesa, the surveillance period was during 2007-2015 and in Kyiv, it was during 2011-2015. Acute gastroenteritis was defined as 3 or more episodes of diarrhea per day during a 24 h period, with symptom duration before hospitalization not exceeding 7 days. Guardians of enrolled children completed a questionnaire including demographic, clinical and treatment information. Each child provided a stool specimen within 2 days of hospitalization. Stools were tested for rotavirus using ProSpecTTM Rotavirus Kit (Oxoid Ltd., Great Britain), and positive specimens were genotyped. Descriptive data are reported, as well as comparison of demographic, clinical and treatment data among rotavirus positive and negative children. RESULTS: During July 2007-June 2015, 12,350 children were enrolled in the surveillance programs and had stool specimens collected and tested for rotavirus. Overall, rotavirus infection was diagnosed in 5412/12350 (44%) of children, 929/1734 (54%) of those in Kyiv and 4483/10616 (42%) in Odesa. Rotavirus infections peaked during the winter months. Children with rotavirus acute gastroenteritis displayed more severe clinical symptoms than those without rotavirus. Predominant genotypes identified included G1P[8], G2P[4], G3 P[8], G4 P[8] and G9 P[8]. CONCLUSION: Active surveillance of acute gastroenteritis in hospitalized children younger 5 years in two large Ukrainian cities reveals a significant burden of rotavirus infection. These data provide scientific justification for incorporating rotavirus vaccines into the Ukrainian national immunization schedule. PMID- 29198919 TI - Does colchicine decrease the rate of recurrence of acute idiopathic pericarditis treated with glucocorticoids? AB - BACKGROUND: The traditional treatment of acute pericarditis includes non steroidal anti-inflammatory agents (NSAIDs) or glucocorticoids. The addition of colchicine has been found to reduce the rate of recurrences. Glucocorticoids, however, may attenuate this effect, although the available data are limited. We examined the impact of colchicine on the rate of recurrence of acute idiopathic pericarditis pretreated with prednisone. METHODS: The frequency of recurrence in patients hospitalized for acute idiopathic pericarditis in a tertiary medical center in 2004-2014 who were treated with glucocorticoids or with non-steroidal therapy was assessed from the computerized hospital database. A retrospective design was used. RESULTS: The cohort included 199 patients aged 18-86 years. Sixty-two (31%) were treated with prednisone, 42 with colchicine and 20 without, and 133 with non-steroidal therapy; in 4 patients, therapy was not detailed. Follow-up ranged from 13 to 147 months (median, 48 months). Fifty-three patients (26.6%) experienced at least one recurrence of pericarditis. The recurrence rate was significantly higher in patients who received prednisone and colchicine (17/42, 40.5%) than in patients who received NSAIDs or aspirin and colchicine (8/44, 18.2%, p=0.03) or any non-steroidal therapy (30/133, 22.6%, p=0.03). There was no difference between the rate of recurrence in patients who were treated with prednisone alone (5/20, 25%) and those treated with NSAIDs or aspirin and colchicine or with any non-steroidal therapy (p=NS). Baseline characteristics and duration of follow-up were similar in patients with and without recurrence. Hospital stay was longer in patients treated with prednisone alone as compared to patients treated with prednisone and colchicine. There were no other differences in baseline characteristics between these groups. CONCLUSIONS: The addition of colchicine to prednisone in patients admitted for acute idiopathic pericarditis does not reduce the risk of recurrence. This finding suggests that prednisone blunts the salutary effects of colchicine. PMID- 29198920 TI - Impact of post-dilatation on longitudinal stent elongation: An in vitro study. AB - OBJECTIVES: To evaluate whether balloon inflation for post-dilatation causes longitudinal stent deformation (LSD). METHODS AND RESULTS: Two stents, sized 2.5mm*28mm and 3.5mm*28mm (Nobori(r), biodegradable polymer biolimus-eluting stent; Ultimaster(r), biodegradable polymer sirolimus-eluting stent; Terumo Co., Tokyo, Japan), were deployed at nominal pressure in straight and tapered silicon vessel models. Then, post-dilatation was performed in two ways: dilatation from the distal (D-P group) or proximal (P-D group) side of the stent. Microscopic findings showed that the stents were elongated during every step of the procedure regardless of the post-dilatation method and type of vessel model. The D-P group showed linear elongation during each step of post-dilatation (straight model: 28.7+/-0.3mm vs. 29.9+/-0.3mm, p=0.002; tapered model: 28.0+/-0.1mm vs. 29.9+/ 0.1mm, p<0.001). In contrast, in the P-D group, the most significant change was observed in the first step of post-dilatation and only slight changes were observed thereafter (straight model: 28.6+/-0.1mm vs. 29.5+/-0.1mm, p<0.001; tapered model: 28.2+/-0.1mm vs. 29.5+/-0.1mm, p<0.001). Optical frequency domain imaging analysis showed that the frequency of stent strut malapposition was positively correlated with the percentage change in stent length (r=0.74, p<0.0001). CONCLUSION: LSD was observed during every step of post-dilatation in both the straight and tapered vessel models. However, some differences were observed between the D-P and P-D groups. Minimizing stent strut malapposition may reduce the risk of LSD. PMID- 29198921 TI - Research progress of capsaicin responses to various pharmacological challenges. AB - Capsaicin, a well known vanilloid, has shown evidence of an ample variety of biological effects which make it the target of extensive research ever since its identification. In spite of the fact that capsaicin causes health hazards in quite a few ways, yet, the verity cannot be ignored that capsaicin has several therapeutic implications. In patients with hypersensitive bladders, vesical instillation of 1 mM capsaicin markedly improved urinary frequency and urge incontinence. Again, administration of capsaicin favors an augmentation in lipid mobilization and a decrease in adipose tissue mass. Topical capsaicin cream as well decreases postsurgical neuropathic pain and is preferred by patients over a placebo among other therapies. Several in vitro studies have revealed that capsaicin results in growth arrest in some transformed cell lines. Furthermore, capsaicin has been proven to be an undeniably exciting molecule and remains a valuable drug for alleviating pain and itch. It has been recognized that capsaicinoids are the most potential agonists of capsaicin receptor (TRPV1). However, vanilloids could exert the beneficial effects not only through the receptor-dependent pathway but also through the receptor-independent one. The involvement of serotonin, neuropeptide Substance P and somatostatin in the pharmacological actions of capsaicin has been expansively investigated. Better understanding of the established TRPV1 receptor mechanism as well as exploring other possible receptor mechanism may publicize other new clinical efficacies of capsaicin. Further, clinical studies are required in several of these conditions to establish the efficacy of capsaicin. PMID- 29198922 TI - Suppression of miR-127 protects PC-12 cells from LPS-induced inflammatory injury by downregulation of PDCD4. AB - Spinal cord injury (SCI) is one of the most debilitating injuries. Inflammatory response plays a central role in regulating the pathogenesis of acute and chronic SCI. Our study explores the role of miR-127 in inflammatory injury induced by LPS. PC-12 cells were treated with LPS to induce inflammatory injury. The expression of miR-127 and PDCD4 was altered by transient transfection. Cell viability was measured using CCK-8 assay and apoptosis using flow cytometry. The expression of miR-127 was measured by qRT-PCR. The concentrations of TNF-alpha and IL-6 were detected by ELISA. The levels of TLR4, PDCD4, BCL6, core factors of JNK and NF-kappaB pathway were assessed by RT-PCR/western blot. Dual luciferase reporter assay was conducted to verify the relationship between miR-127 and BCL6. LPS induced inflammatory injury in PC-12 cells. LPS also increased the expression of miR-127 and PDCD4. miR-127 overexpression promoted the LPS-induced inflammatory injury while miR-127 suppression inhibited the injury. BCL6 was a target of miR-127 in PC-12 cells. In addition, miR-127 positively regulated PDCD4 expression, and PDCD4 showed a similar effect on LPS-induced injury in PC-12 cells. We also found that miR-127 and PDCD4 enhanced the activation of JNK and NF kappaB pathway. Further, the expressions of miR-127 and PDCD4 were both upregulated in ASCI rats. Our present study demonstrated that miR-127 inhibition might exert a protective role in LPS-injured PC-12 cells through regulation of PDCD4 expression and the further downstream signaling pathway. PMID- 29198923 TI - Enteromorpha and polysaccharides from enteromorpha ameliorate loperamide-induced constipation in mice. AB - Slow-transit constipation(STC)is a disease characterized by functional gastrointestinal disorder. Common laxatives used in clinical practice against constipation such as Senna have side effects. Enteromorpha(EP)is a common marine alga, and the polysaccharide extracted from EP has been reported possessing anti cancer and anti-inflammation effects. The aim of this study is to investigate the effects of EP and Polysaccharides from Enteromorpha (PEP) on loperamide induced constipated mice model and illustrating mechanism of action. We investigated the effect of EP and PEP on fecal water content, defecation frequency and gastrointestinal transit (GI) time of loperamide-induced STC mice. In addition, serum Nitric Oxide (NO) content and vasoactive intestinal peptide receptor1 (VIPR1) as well as serotonin receptor (5-HT4) expression in the distal colon were analyzed. Furthermore, we determined the role of EP and PEP on microbiota distribution using stool genomic 16S rRNA sequencing. EP and PEP significantly enhanced intestinal motility function, and alleviated constipation associated intestinal inflammation. Moreover, EP and PEP significantly decreased serum NO concentration, down-regulated VIPR1 expression and up-regulated 5-HT4 expression in distal colon. Genomic stool DNA MiSeq Sequencing Analysis of microbiota community structures and distribution revealed that intestinal microecological changes caused by constipation recovered after both EP and PEP treatment. Our results indicate that EP and PEP are potent natural products which could be suggested in constipation therapy strategies. PMID- 29198924 TI - Sinomenine hydrochloride attenuates the proliferation, migration, invasiveness, angiogenesis and epithelial-mesenchymal transition of clear-cell renal cell carcinoma cells via targeting Smad in vitro. AB - New strategies for the treatment of clear-cell renal cell carcinoma (ccRCC) are urgently needed. Recently, accumulating evidence has demonstrated that sinomenine hydrochloride (SH), extracted from the plant sinomenium acutum, has potent anti cancer activity in multiple human malignant solid tumors. However, the underlying molecular mechanism by which SH treatment exerts its antagonizing tumorigenic effects has not been clearly elucidated. In this study, we showed that SH treatment exerted profound effects on cell growth in ccRCC in a dose- and time dependent manner in vitro. Furthermore, treatment with SH significantly suppressed the migration, invasiveness and angiogenesis of ccRCC cells in vitro. Mechanistically, we revealed that SH treatment blocked epithelial-mesenchymal transition (EMT) through the downregulation of the expression of the transcription factors Snail1 and Twist in ccRCC cells. Additionally, the depletion of p-Smad2 and p-Smad3 was required for SH treatment to inhibit EMT effectively. Taken together, these findings indicate an anti-cancer role for SH in ccRCC cells and reveal a potential molecular mechanism by which Smad / EMT axis functions in ccRCC, as its hyperactivation has been associated with cell proliferation, migration, invasiveness and angiogenesis in this cancer type. These observations suggest that SH can act as an efficacious adjuvant chemotherapeutic candidate that targets the Smad/EMT axis in patients with ccRCC. PMID- 29198925 TI - Teriparatide promotes healing of critical size femur defect through accelerating angiogenesis and degradation of beta-TCP in OVX osteoporotic rat model. AB - Accumulating evidence suggests that early angiogenesis has an important effect on the healing of injury. Teriparatide (PTH) is extensively applied for its potent anabolic activity on bone, while little is known about its angiogenic ability which may facilitate new bone formation. In this study, we tested the angiogenic ability of PTH and its effect on degradation of beta-tricalcium phosphate (beta TCP) in an ovariectomized (OVX) rat distal femoral metaphysis model. After successful establishment of the OVX model was confirmed, a critical size defect was drilled into each distal femur of the OVX rats. Afterwards all animals were randomly divided into three groups: control group, group beta-TCP and group beta TCP+PTH, then rats of group beta-TCP+PTH were injected Teriparatide (30 MUg/kg) subcutaneous every other day. Four weeks after femur surgery, five specimens from each group were used for Microfil perfusion to reveal blood vessels in the bone defect. The residual rats were harvested for micro-computed tomography, histological analysis and immunochemistry. The results showed Teriparatide facilitated neovascularization, degradation of beta-TCP and new bone formation in combination with beta-TCP, which may be relevant to neovascularization in an early phase. PMID- 29198927 TI - Morphologic and immunohistochemical features of pulmonary vasculopathy in end stage left ventricular systolic failure. PMID- 29198926 TI - Does the application of Ankaferd Blood Stopper rectally have positive effects on the healing of colorectal anastomosis and prevention of anastomotic leakage? An experimental study. AB - The purpose of this experimental study was to evaluate the potential effects on the healing of colorectal anastomoses of the rectal administration of Ankaferd Blood Stopper (ABS). Thirty Wistar-Albino male rats were randomly separated into 3 groups. In the sham group, only laparotomy and colonic mobilization was performed. In the other 2 groups, colon transection and anastomosis were carried out. Saline (2 mL, 0.9% NaCl) was given rectally via a feeding tube for 10 days after the surgical procedure in the sham and control groups. In Group 3 (ABS group), the rats were treated with rectally administered ABS (2 mL/day) for 10 days. In all groups, after the measurement of bursting pressures, tissue samples were collected for the measurement of tissue hydroxyproline and prolidase levels, and for histopathological evaluation on postoperative day 11. The rectal administration of ABS showed positive effects on bursting pressures, tissue prolidase and hydroxyproline levels, and the histopathological findings of colonic anastomosis. The rectal application of ABS had positive effects on the healing of colorectal anastomosis. As a natural product, it may be used effectively and safely to achieve better healing results after colorectal anastomosis. PMID- 29198928 TI - Lung autoantibodies: Ready for prime time? AB - Despite advances in our understanding of the immunology of lung allograft tolerance and a reduction in the rate of acute allograft rejection using contemporary immunosuppressive protocols, the rate of chronic lung allograft dysfunction (CLAD), both obstructive and restrictive, remains unacceptably high. CLAD, particularly the restrictive phenotype, is a harbinger of a foreshortened survival. The development of a consensus approach to the diagnosis of antibody mediated rejection by the International Society for Heart and Lung Transplantation has highlighted the need for a uniform approach toward the investigation, diagnosis, implications and management of both human leukocyte antigen (HLA) and non-HLA-related antibody formation. This Perspective summarizes the current information that underpins the way forward in recognizing the potential importance of non-HLA-related antibody formation with respect to allograft injury and outcomes. PMID- 29198929 TI - Racial differences in the development of de-novo donor-specific antibodies and treated antibody-mediated rejection after heart transplantation. AB - BACKGROUND: Despite improvements in outcomes after heart transplantation, black recipients have worse survival compared with non-black recipients. The source of such disparate outcomes remains largely unknown. We hypothesize that a propensity to generate de-novo donor-specific antibodies (dnDSA) and subsequent antibody mediated rejection (AMR) may account for racial differences in sub-optimal outcomes after heart transplant. In this study we aimed to determine the role of dnDSA and AMR in racial disparities in post-transplant outcomes. METHODS: This study was a single-center, retrospective analysis of 137 heart transplant recipients (81% male, 48% black) discharged from Emory University Hospital. Patients were classified as black vs non-black for the purpose of our analysis. Kaplan-Meier and Cox regression analyses were used to evaluate the association between race and selected outcomes. The primary outcome was the development of dnDSA. Secondary outcomes included treated AMR and a composite of all-cause graft dysfunction or death. RESULTS: After 3.7 years of follow-up, 39 (28.5%) patients developed dnDSA and 19 (13.8%) were treated for AMR. In multivariable models, black race was associated with a higher risk of developing dnDSA (hazard ratio [HR] 3.65, 95% confidence interval [CI] 1.54 to 8.65, p = 0.003) and a higher risk of treated AMR (HR 4.86, 95% CI 1.26 to 18.72, p = 0.021) compared with non black race. Black race was also associated with a higher risk of all-cause graft dysfunction or death in univariate analyses (HR 2.10, 95% CI 1.02 to 4.30, p = 0.044). However, in a multivariable model incorporating dnDSA, black race was no longer a significant risk factor. Only dnDSA development was significantly associated with all-cause graft dysfunction or death (HR 4.85, 95% CI 1.89 to 12.44, p = 0.001). CONCLUSION: Black transplant recipients are at higher risk for the development of dnDSA and treated AMR, which may account for racial disparities in outcomes after heart transplantation. PMID- 29198930 TI - Induction regimen and survival in simultaneous heart-kidney transplant recipients. AB - BACKGROUND: Induction therapy in simultaneous heart-kidney transplantation (SHKT) is not well studied in the setting of contemporary maintenance immunosuppression consisting of tacrolimus (TAC), mycophenolic acid (MPA), and prednisone (PRED). METHODS: We analyzed the Organ Procurement and Transplant Network registry from January 1, 2000, to March 3, 2015, for recipients of SHKT (N = 623) maintained on TAC/MPA/PRED at hospital discharge. The study cohort was further stratified into 3 groups by induction choice: induction (n = 232), rabbit anti-thymoglobulin (r ATG; n = 204), and interleukin-2 receptor-alpha (n = 187) antagonists. Survival rates were estimated using the Kaplan-Meier estimator. Multivariable inverse probability weighted Cox proportional hazard regression models were used to assess hazard ratios associated with post-transplant mortality as the primary outcome. The study cohort was censored on March 4, 2016, to allow at least 1-year of follow-up. RESULTS: During the study period, the number of SHKTs increased nearly 5-fold. The Kaplan-Meier survival curve showed superior outcomes with r ATG compared with no induction or interleukin-2 receptor-alpha induction. Compared with the no-induction group, an inverse probability weighted Cox proportional hazard model showed no independent association of induction therapy with the primary outcome. In sub-group analysis, r-ATG appeared to lower mortality in sensitized patients with panel reactive antibody of 10% or higher (hazard ratio, 0.19; 95% confidence interval, 0.05-0.71). CONCLUSION: r-ATG may provide a survival benefit in SHKT, especially in sensitized patients maintained on TAC/MPA/PRED at hospital discharge. PMID- 29198931 TI - Ultrasound-guided maxillary and inferior alveolar nerve blocks for postoperative analgesia in gnathoplasty. PMID- 29198933 TI - Dimensionality and Reliability of the Central Sensitization Inventory in a Pooled Multicountry Sample. AB - : Central sensitization (CS) involves the amplification of neural signaling within the central nervous system, which evokes pain hypersensitivity. The Central Sensitization Inventory (CSI) assesses 25 overlapping health-related symptom dimensions that have been reported to be associated with CS-related disorders. Previous studies have reported satisfactory test-retest reliability and internal consistency, but factor analyses have exhibited conflicting results in different language versions. The purpose of this cross-sectional study was to thoroughly examine the dimensionality and reliability of the CSI, with pooled data from 1,987 individuals, collected in several countries. The principal component analysis suggested that 1 general factor of CS best described the structure. A subsequent confirmatory factor analysis revealed that a bifactor model, which accounted for the covariance among CSI items, with regard to 1 general factor and 4 orthogonal factors, fit the CSI structure better than the unidimensional and the 4-factor models. Additional analyses indicated substantial reliability for the general factor (ie, Cronbach alpha = .92; omega = .95; and omega hierarchical = .89). Reliability results for the 4 specific factors were considered too low to be used for subscales. The results of this study clearly suggest that only total CSI scores should be used and reported. PERSPECTIVE: As far as we know, this is the first study that has examined the factor structure and reliability of the CSI in a large multicountry sample. The CSI is currently considered the leading self-report measure of CS-related symptoms worldwide. PMID- 29198932 TI - Acupuncture for Chronic Pain: Update of an Individual Patient Data Meta-Analysis. AB - : Despite wide use in clinical practice, acupuncture remains a controversial treatment for chronic pain. Our objective was to update an individual patient data meta-analysis to determine the effect size of acupuncture for 4 chronic pain conditions. We searched MEDLINE and the Cochrane Central Registry of Controlled Trials randomized trials published up until December 31, 2015. We included randomized trials of acupuncture needling versus either sham acupuncture or no acupuncture control for nonspecific musculoskeletal pain, osteoarthritis, chronic headache, or shoulder pain. Trials were only included if allocation concealment was unambiguously determined to be adequate. Raw data were obtained from study authors and entered into an individual patient data meta-analysis. The main outcome measures were pain and function. An additional 13 trials were identified, with data received for a total of 20,827 patients from 39 trials. Acupuncture was superior to sham as well as no acupuncture control for each pain condition (all P < .001) with differences between groups close to .5 SDs compared with no acupuncture control and close to .2 SDs compared with sham. We also found clear evidence that the effects of acupuncture persist over time with only a small decrease, approximately 15%, in treatment effect at 1 year. In secondary analyses, we found no obvious association between trial outcome and characteristics of acupuncture treatment, but effect sizes of acupuncture were associated with the type of control group, with smaller effects sizes for sham controlled trials that used a penetrating needle for sham, and for trials that had high intensity of intervention in the control arm. We conclude that acupuncture is effective for the treatment of chronic pain, with treatment effects persisting over time. Although factors in addition to the specific effects of needling at correct acupuncture point locations are important contributors to the treatment effect, decreases in pain after acupuncture cannot be explained solely in terms of placebo effects. Variations in the effect size of acupuncture in different trials are driven predominantly by differences in treatments received by the control group rather than by differences in the characteristics of acupuncture treatment. PERSPECTIVE: Acupuncture is effective for the treatment of chronic musculoskeletal, headache, and osteoarthritis pain. Treatment effects of acupuncture persist over time and cannot be explained solely in terms of placebo effects. Referral for a course of acupuncture treatment is a reasonable option for a patient with chronic pain. PMID- 29198935 TI - Metacarpophalangeal portal safety. An anatomical study. AB - AIM: To quantify the risk of dorsal innervation injury when performing direct metacarpophalangeal joint portals of the second to fifth fingers. MATERIAL AND METHOD: An anatomical study of 11 upper limbs of fresh corpses was carried out. After placing them in a traction tower, the metacarpophalangeal portals were developed on both sides of the extensor tendon. The dorsal sensory branches were dissected and the distances between the portal and the nearest nerve were measured by a digital caliper. The portals of all the fingers were compared globally to assess the safest finger and two to two radial and ulnar portals were compared in each of the fingers to assess the safest portal within each finger. RESULTS: The overall comparison of all portals and fingers showed that the third finger is the safest in any of its portals, while the ulnar side of the second and radial of the fourth are the portals with the highest risk of nerve injury (P=8.96.10-5). Comparing two to two of the radial and ulnar portals in each of the fingers showed that the ulnar portal is safer than the radial on the fourth finger (P=.042), while the radial is safer than the ulnar on the fifth finger (P=.003). CONCLUSIONS: The third finger was the safest to perform metacarpophalangeal portals, while the ulnar side of the second finger and radial side of the fourth had the highest risk of nerve injury. PMID- 29198934 TI - Novel polymorphisms associated with hyperalphalipoproteinemia and apparent cardioprotection. AB - BACKGROUND: Hyperalphalipoproteinemia (HALP) is inversely correlated with coronary heart disease (CHD) although genetic variants associated with high serum levels of high-density lipoprotein cholesterol (HDL-C) have not been shown to be cardioprotective. OBJECTIVE: The objective of the study was to uncover novel genetic variants associated with HALP and possibly with reduced risk of CHD. METHODS: Exome sequencing data, HDL-C, and triglyceride levels were analyzed in 1645 subjects. They included the University of Maryland outpatients with high HDL C (n = 12), Cardiovascular Health Study (n = 210), Jackson Heart Study (n = 402), Multi-Ethnic Study of Atherosclerosis (n = 404), Framingham Heart Study (n = 463), and Old Order Amish (n = 154). RESULTS: Novel nonsynonymous single nucleotide polymorphisms (nsSNPs) were identified in men and women with primary HALP (mean HDL-C, 145 +/- 30 mg/dL). Using PolyPhen-2 and Combined Annotation Dependent Depletion to estimate the predictive effect of each nsSNP on the gene product, rare, deleterious polymorphisms in UGT1A3, PLLP, PLEKHH1, ANK2, DIS3L, ACACB, and LRP4 were identified in 16 subjects with HALP but not in any tested subject with low HDL-C (<40 mg/dL). In addition, a single novel polymorphism, rs376849274, was found in OSBPL1A. The majority of these candidate genes have been implicated in fat and lipid metabolism, and none of these subjects has a history of CHD despite 75% of subjects having risk factors for CHD. Overall, the probability of finding these nsSNPs in a non-high HDL-C population ranges from 1 * 10-17 to 1 * 10-25. CONCLUSION: Novel functional polymorphisms in 8 candidate genes are associated with HALP in the absence of CHD. Future study is required to examine the extent to which these genes may affect HDL function and serve as potential therapeutic targets for CHD risk reduction. PMID- 29198936 TI - Reaching low-density lipoprotein cholesterol treatment targets in stable coronary artery disease: Determinants and prognostic impact. AB - BACKGROUND: Low-density lipoprotein cholesterol (LDL-C) reduction is an integral part of the management of patients with coronary artery disease (CAD). AIMS: To assess attainment of LDL-C goals during long-term treatment of patients with stable CAD, and to determine predictors of goal attainment and the prognostic impact of reaching LDL-C<70mg/dL (1.8mmol/L) in a real-life setting. METHODS: Data were obtained for 4080 outpatients with stable CAD included in the multicentre CORONOR study. Five-year follow-up was achieved for 3991 (97.8%) patients. RESULTS: At inclusion, a recent (<1 year) measurement of LDL-C was available in 3757 (92.1%) patients. LDL-C<70mg/dL was reached by 885 (23.6%) patients. Independent predictors of LDL-C<70mg/dL were diabetes mellitus, statin treatment, treatment with renin-angiotensin system inhibitors, previous myocardial infarction and short time since last coronary event. The adjusted hazard ratio (HR) for the composite endpoint (cardiovascular death, myocardial infarction, ischemic stroke or coronary revascularization) during the 5-year follow-up was 1.31 (95% confidence interval [CI]: 1.09-1.58; P=0.004) for LDL C>=70mg/dL versus<70mg/dL. When compared with patients with LDL-C<70mg/dL, the adjusted HRs for LDL-C 70-99mg/dL and >=100mg/dL (2.6mmol/L) were 1.27 (95% CI: 1.05-1.55; P=0.016) and 1.38 (95% CI: 1.12-1.70; P=0.003), respectively. When LDL C was used as a continuous variable, the adjusted HRs for increases of 10mg/dL (0.3mmol/L) and 1mmol/L were 1.05 (95% CI: 1.03-1.08) and 1.21 (95% CI: 1.10 1.33), respectively. CONCLUSIONS: In this observational study, only a minority of stable CAD patients had LDL-C<70mg/dL. The patients who reached their LDL-C goal had the lowest risk of cardiovascular events. PMID- 29198937 TI - Cardiopulmonary exercise testing in the evaluation of liver disease in adults who have had the Fontan operation. AB - BACKGROUND: Liver disease (LD) is a long-term complication in patients with a single ventricle who have had the Fontan operation. A decline in cardiopulmonary exercise testing (CPET) variables is associated with increased risk of hospitalization, but its association with LD is unknown. AIM: To determine the association between CPET variables and LD in adults who have had the Fontan operation. METHODS: We retrospectively reviewed the medical records from two tertiary institutions. RESULTS: We identified 114 adults (>=18 years; mean 30.9+/ 7.4 years) who had undergone the Fontan operation: 56% were women; 63% had total cavopulmonary connection; 66% had New York Heart Association (NYHA) class I status; 42% had arrhythmias; 22% had systemic right ventricle; and 35% had ventricular dysfunction. Of 81 patients with liver-imaging data, 41% had LD (i.e. imaging evidence of cirrhosis, with or without portal hypertension, splenomegaly or varices). There were no differences in clinical or echocardiographic variables between those with and without LD. Among the 58 patients with CPET data, mean peak oxygen consumption (VO2) was 18.6+/-5.7mL/kg/min, per-cent-predicted peak VO2 was 53.9+/-15.5%, peak oxygen pulse was 9.3+/-2.9mL/beat and per-cent predicted peak oxygen pulse was 82.6+/-21.5%. Of the 44 patients with liver and CPET data, each standard deviation decrease in per-cent-predicted peak VO2 (16%) and per-cent-predicted peak oxygen pulse (22%) was associated with a 2.3-fold increase in the odds of LD, after adjusting for NYHA, institution and Fontan type (P=0.04). Similarly, each standard deviation decrease in per-cent-predicted peak VO2 and oxygen pulse was associated with an estimated 5.9-year and 4.9-year earlier onset of LD, respectively (P>0.05). CONCLUSIONS: Decline in per-cent predicted peak VO2 and oxygen pulse was associated with increased odds of LD in adults who had undergone the Fontan operation. Our study supports more rapid hepatic evaluation among patients with abnormal or worsening CPET variables. PMID- 29198938 TI - Outcomes of arthroscopic revision rotator cuff repair with acellular human dermal matrix allograft augmentation. AB - BACKGROUND: The purpose was to assess the minimum 2-year patient-reported outcomes and failure rate of patients who underwent revision arthroscopic rotator cuff repair augmented with acellular human dermal matrix (AHDM) allograft for repairable retears. METHODS: From 2008-2014, patients who underwent revision rotator cuff repair augmented with AHDM with greater than 2 years' follow-up by a single surgeon were retrospectively reviewed. Data regarding surgical history, demographic characteristics, and medical comorbidities were collected. Outcome data included American Shoulder and Elbow Surgeons (ASES) and Single Assessment Numeric Evaluation (SANE) scores, as well as rotator cuff healing on magnetic resonance imaging or ultrasound. Retears and subsequent surgical procedures were characterized. RESULTS: A total of 28 patients met our inclusion criteria, and 23 (82%) were available for follow-up at 2 years. The mean age was 60.1 +/- 9.3 years (range, 43-79 years), with a mean follow-up period of 48 +/- 23 months. All patients had at least 1 prior rotator cuff repair. Of the 23 patients, 13 (56%) underwent postoperative imaging, and 4 of these 13 (31%) had a retear. A reoperation was performed in 3 of 23 patients (13%). Among the 6 patients with both preoperative and postoperative outcome scores, we saw improvement in the ASES score from 56 to 85 (P = .03) and in the SANE score from 42 to 76 (P = .03). The full cohort's mean postoperative ASES and SANE scores were 77 and 69, respectively. CONCLUSION: AHDM allograft augmentation is a safe and effective treatment method for patients with full-thickness rotator cuff retears. Further research is needed with larger studies to confirm these findings from our small cohort of patients. PMID- 29198939 TI - Three-dimensional computed tomography measurement accuracy of varying Hill-Sachs lesion size. AB - BACKGROUND: The glenoid track concept has been proposed to correlate shoulder stability with bone loss. Accurate assessment of Hill-Sachs lesion size preoperatively may affect surgical planning and postoperative outcomes; however, no measurement method has been universally accepted. This study aimed to assess the accuracy and reliability of measuring Hill-Sachs lesion sizes using 3 dimensional (3D) computed tomography (CT). METHODS: Nine polyurethane humerus bone substitutes were used to create Hill-Sachs lesions of varying sizes with a combination of lesion depth (shallow, intermediate, and deep) and width (small, medium, and large). Specimens were scanned with a clinical CT scanner for size measurements and a micro-CT scanner for measurement of true lesion size. Six evaluators repeated measurements twice in a 2-week interval. Scans were measured by use of 3D CT reconstructions for length, width, and Hill-Sachs interval and with use of 2D CT for depth. The interclass correlation coefficient evaluated interobserver and intraobserver variability and percentage error, and Student t tests assessed measurement accuracy. RESULTS: Interclass correlation coefficient reliability demonstrated strong agreement for all variables measured (0.856 0.975). Percentage error between measured length and measured depth and the true measurement significantly varied with respect to both lesion depth (P = .003 and P = .005, respectively) and lesion size (P = .049 and P = .004, respectively). DISCUSSION AND CONCLUSIONS: The 3D CT imaging is effective and reproducible in determining lesion size. Determination of Hill-Sachs interval width is also reliable when it is applied to the glenoid track concept. Measured values on 3D and 2-dimensional imaging using a conventional CT scanner may slightly underestimate true measurements. PMID- 29198940 TI - Bone Marrow Myeloid Cells Regulate Myeloid-Biased Hematopoietic Stem Cells via a Histamine-Dependent Feedback Loop. AB - Myeloid-biased hematopoietic stem cells (MB-HSCs) play critical roles in recovery from injury, but little is known about how they are regulated within the bone marrow niche. Here we describe an auto-/paracrine physiologic circuit that controls quiescence of MB-HSCs and hematopoietic progenitors marked by histidine decarboxylase (Hdc). Committed Hdc+ myeloid cells lie in close anatomical proximity to MB-HSCs and produce histamine, which activates the H2 receptor on MB HSCs to promote their quiescence and self-renewal. Depleting histamine-producing cells enforces cell cycle entry, induces loss of serial transplant capacity, and sensitizes animals to chemotherapeutic injury. Increasing demand for myeloid cells via lipopolysaccharide (LPS) treatment specifically recruits MB-HSCs and progenitors into the cell cycle; cycling MB-HSCs fail to revert into quiescence in the absence of histamine feedback, leading to their depletion, while an H2 agonist protects MB-HSCs from depletion after sepsis. Thus, histamine couples lineage-specific physiological demands to intrinsically primed MB-HSCs to enforce homeostasis. PMID- 29198941 TI - Hypoxic Induction of Vasorin Regulates Notch1 Turnover to Maintain Glioma Stem like Cells. AB - Tumor hypoxia is associated with poor patient survival and is a characteristic of glioblastoma. Notch signaling is implicated in maintaining glioma stem-like cells (GSCs) within the hypoxic niche, although the molecular mechanisms linking hypoxia to Notch activation have not been clearly delineated. Here we show that Vasorin is a critical link between hypoxia and Notch signaling in GSCs. Vasorin is preferentially induced in GSCs by a HIF1alpha/STAT3 co-activator complex and stabilizes Notch1 protein at the cell membrane. This interaction prevents Numb from binding Notch1, rescuing it from Numb-mediated lysosomal degradation. Thus, Vasorin acts as a switch to augment Notch signaling under hypoxic conditions. Vasorin promotes tumor growth and reduces survival in mouse models of glioblastoma, and its expression correlates with increased aggression of human gliomas. These findings provide mechanistic insights into how hypoxia promotes Notch signaling in glioma and identify Vasorin as a potential therapeutic target. PMID- 29198942 TI - Dye-Independent Methods Reveal Elevated Mitochondrial Mass in Hematopoietic Stem Cells. AB - Hematopoietic stem cells (HSCs) produce most cellular energy through glycolysis rather than through mitochondrial respiration. Consistent with this notion, mitochondrial mass has been reported to be low in HSCs. However, we found that staining with MitoTracker Green, a commonly used dye to measure mitochondrial content, leads to artefactually low fluorescence specifically in HSCs because of dye efflux. Using mtDNA quantification, enumeration of mitochondrial nucleoids, and fluorescence intensity of a genetically encoded mitochondrial reporter, we unequivocally show here that HSCs and multipotential progenitors (MPPs) have higher mitochondrial mass than lineage-committed progenitors and mature cells. Despite similar mitochondrial mass, respiratory capacity of MPPs exceeds that of HSCs. Furthermore, although elevated mitophagy has been invoked to explain low mitochondrial mass in HSCs, we observed that mitochondrial turnover capacity is comparatively low in HSCs. We propose that the role of mitochondria in HSC biology may have to be revisited in light of these findings. PMID- 29198944 TI - The Study of Clear Cell Renal Cell Carcinoma with MR Diffusion Kurtosis Tensor Imaging and Its Histopathologic Correlation. AB - RATIONALE AND OBJECTIVES: The objective of this study was to compare the performance of diffusion kurtosis tensor imaging and diffusion-weighted imaging in the characterization of clear cell renal cell carcinoma (ccRCC) and their correlations with tumor histopathology. MATERIALS AND METHODS: Ninety-one patients diagnosed with ccRCC who underwent diffusion kurtosis tensor imaging were included in this study. Fractional anisotropy, mean diffusivity, radial diffusivity, axial diffusivity, mean kurtosis (MK), radial kurtosis (Krad), and axial kurtosis (Kax) data were produced. A nuclear grade of 1-4 (G1-4) was assigned for each case based on the Fuhrman grading system, whereas tumor histopathology was characterized by the nuclear-to-cytoplasm ratio, the cell nuclei count, and the cell volume fraction. RESULTS: All of the metric values except for Kax and fractional anisotropy could be used to discriminate G1 vs G3, G1 vs G4, G2 vs G3, and G2 vs G4, whereas MK and Kax could be used to discriminate G3 vs G4 (P <0.05). Moreover, the MK and Krad values exhibited better performance in differentiating G2 from G3 (P < 0.04 compared to the other metrics). The nuclear-to-cytoplasm ratio was positively correlated with the MK, Krad, and Kax values (P <0.001) and negatively correlated with the mean diffusivity, radial diffusivity, and axial diffusivity values (P <0.001), whereas the cell volume fraction and the cell nuclei count did not correlate with any metric examined. CONCLUSION: The kurtosis metrics were superior to the diffusion metrics in grading ccRCC. PMID- 29198945 TI - Quantitative Measurements Versus Receiver Operating Characteristics and Visual Grading Regression in CT Images Reconstructed with Iterative Reconstruction: A Phantom Study. AB - RATIONALE AND OBJECTIVES: This study aimed to evaluate the correlation of quantitative measurements with visual grading regression (VGR) and receiver operating characteristics (ROC) analysis in computed tomography (CT) images reconstructed with iterative reconstruction. MATERIALS AND METHODS: CT scans on a liver phantom were performed on CT scanners from GE, Philips, and Toshiba at three dose levels. Images were reconstructed with filtered back projection (FBP) and hybrid iterative techniques (ASiR, iDose, and AIDR 3D of different strengths). Images were visually assessed by five readers using a four- and five grade ordinal scale for liver low contrast lesions and for 10 image quality criteria. The results were analyzed with ROC and VGR. Standard deviation, signal to-noise ratios, and contrast-to-noise ratios were measured in the images. RESULTS: All data were compared to FBP. The results of the quantitative measurements were improved for all algorithms. ROC analysis showed improved lesion detection with ASiR and AIDR and decreased lesion detection with iDose. VGR found improved noise properties for all algorithms, increased sharpness with iDose and AIDR, and decreased artifacts from the spine with AIDR, whereas iDose increased the artifacts from the spine. The contrast in the spine decreased with ASiR and iDose. CONCLUSIONS: Improved quantitative measurements in images reconstructed with iterative reconstruction compared to FBP are not equivalent to improved diagnostic image accuracy. PMID- 29198943 TI - Human bile acid transporter ASBT (SLC10A2) forms functional non-covalent homodimers and higher order oligomers. AB - The human apical sodium-dependent bile acid transporter, hASBT/SLC10A2, plays a central role in cholesterol homeostasis via the efficient reabsorption of bile acids from the distal ileum. hASBT has been shown to self-associate in higher order complexes, but while the functional role of endogenous cysteines has been reported, their implication in the oligomerization of hASBT remains unresolved. Here, we determined the self-association architecture of hASBT by site-directed mutagenesis combined with biochemical, immunological and functional approaches. We generated a cysteine-less form of hASBT by creating point mutations at all 13 endogenous cysteines in a stepwise manner. Although Cysless hASBT had significantly reduced function correlated with lowered surface expression, it featured an extra glycosylation site that facilitated its differentiation from wt hASBT on immunoblots. Decreased protein expression was associated with instability and subsequent proteasome-dependent degradation of Cysless hASBT protein. Chemical cross-linking of wild-type and Cysless species revealed that hASBT exists as an active dimer and/or higher order oligomer with apparently no requirement for endogenous cysteine residues. This was further corroborated by co immunoprecipitation of differentially tagged (HA-, Flag-) wild-type and Cysless hASBT. Finally, Cysless hASBT exhibited a dominant-negative effect when co expressed with wild-type hASBT which validated heterodimerization/oligomerization at the functional level. Combined, our data conclusively demonstrate the functional existence of hASBT dimers and higher order oligomers irrespective of cysteine-mediated covalent bonds, thereby providing greater understanding of its topological assembly at the membrane surface. PMID- 29198946 TI - Prognostic Factors for Survival After Transarterial Chemoembolization Combined with Sorafenib in the Treatment of BCLC Stage B and C Hepatocellular Carcinomas. AB - RATIONALE AND OBJECTIVE: The objective of this study was to analyze prognostic factors for survival after transarterial chemoembolization (TACE) combined with sorafenib for hepatocellular carcinoma (HCC) of Barcelona Clinic Liver Cancer (BCLC) stages B and C. MATERIALS AND METHODS: Clinical data of 198 patients with BCLC stage B and C HCCs who underwent TACE combined with sorafenib between June 2012 and January 2017 were retrospectively collected and analyzed. Survival curves were detected using log-rank test. Univariate analysis was performed using log-rank test with respect to 11 prognostic factors potentially affecting survival. All statistically significant prognostic factors identified by univariate analysis were entered into a Cox proportion hazards regression model to identify independent predictors of survival. P values were two-sided and P < 0.05 was considered statistically significant. RESULTS: By the end of this study, the median follow-up duration was 43.6 months. The median overall survival (OS) of the patients was 21.0 months (95% confidence interval [CI]: 16.94-25.05), and the 1-, 2-, 3- and 5-year OS rates were 72%, 43%, 28%, and 4%, respectively. Tumor size (chi2 = 33.607, P < 0.0001), tumor number (chi2 = 4.084, P = 0.043), Child-Pugh class (chi2 = 33.187, P < 0.0001), BCLC stage (chi2 = 50.224, P < 0.0001), portal vein tumor thrombus (chi2 = 88.905, P < 0.0001), Eastern Cooperative Oncology Group (ECOG) performance status (chi2 = 98.007, P < 0.0001), extrahepatic spread (chi2 = 34.980, P < 0.0001), TACE times (chi2 = 8.350, P = 0.015), and sorafenib treatment strategy (chi2 = 81.593, P < 0.0001) were found to be significantly associated with OS by univariate analysis. Multivariate analysis showed that BCLC stage (95% CI: 1.133-3.982, P = 0.019), extrahepatic spread (95% CI: 1.136-2.774, P = 0.012), and sorafenib treatment duration (95% CI: 0.352-0.574, P = 0.000) were independent prognostic factors associated with OS. There were no serious treatment-related adverse events. CONCLUSIONS: This study showed that extrahepatic spread was a risk factor, and sorafenib treatment and superior BCLC stage were protective factors. Therefore, the study indicated that TACE combined with sorafenib was an effective and safe treatment for patients with BCLC stage B HCC without extrahepatic spread. PMID- 29198947 TI - Determinants of Difficulty and Discriminating Power of Image-based Test Items in Postgraduate Radiological Examinations. AB - RATIONALE AND OBJECTIVES: The psychometric characteristics of image-based test items in radiological written examinations are not well known. In this study, we explored difficulty and discriminating power of these test items in postgraduate radiological digital examinations. MATERIALS AND METHODS: We reviewed test items of seven Dutch Radiology Progress Tests (DRPTs) that were taken from October 2013 to April 2017. The DRPT is a semiannual formative examination, required for all Dutch radiology residents. We assessed several stimulus and response characteristics of test items. The response format of test items included true or false, single right multiple choice with 2, 3, 4, or >=5 answer options, pick-N multiple-choice, drag-and-drop, and long-list-menu formats. We calculated item P values and item-rest-correlation (Rir) values to assess difficulty and discriminating power. We performed linear regression analysis in image-based test items to investigate whether P and Rir values were significantly related to stimulus and response characteristics. Also, we compared psychometric indices between image-based test items and text-alone items. RESULTS: P and Rir values of image-based items (n = 369) were significantly related to the type of response format (P < .001), and not to which of the seven DRPTs the item was obtained from, radiological subspecialty domain, nonvolumetric or volumetric character of images, or context-rich or context-free character of the stimulus. When accounted for type of response format, difficulty and discriminating power of image-based items did not differ significantly from text-alone items (n = 881). Test items with a relatively large number of answer options were generally more difficult, and discriminated better among high- and low-performing candidates. CONCLUSION: In postgraduate radiological written examinations, difficulty and discriminating power of image-based test items are related to the type of response format and are comparable to those of text-alone items. We recommend a response format with a relatively large number of answer options to optimize psychometric indices of radiological image-based test items. PMID- 29198949 TI - Prediabetes Is Associated with Unfavorable Outcome in Young Adult Patients with Ischemic Stroke: Methodological Issues. PMID- 29198948 TI - Multivariate Prognostic Model of Acute Stroke Combining Admission Infarct Location and Symptom Severity: A Proof-of-Concept Study. AB - BACKGROUND: The information on topographic distribution of acute ischemic infarct can contribute to prediction of functional outcome. We aimed to develop a multivariate model for stroke prognostication, combining admission clinical and imaging variables, including the infarct topology. METHODS: Acute ischemic stroke patients without baseline functional disability who had magnetic resonance imaging within 24 hours of onset or last-seen-well were included. The admission stroke severity was determined using the National Institutes of Health Stroke Scale (NIHSS) score. The relation between infarct location and outcome was assessed using both voxel-based and visual atlas-based analyses. The disability/death was defined by a modified Rankin Scale score greater than 2 at 3 month follow-up. RESULTS: Among 198 patients included in this study, higher admission NIHSS score (P < .001), larger infarct volume (P < .001), and major arterial occlusions (P < .001) were associated with disability/death in univariate analyses. On voxel-based analysis, infarcts in the middle centrum semiovale, insula, and midbrain/pons were associated with higher rates of disability/death. In multivariate analysis, admission NIHSS score (P < .001), infarction of insula (P = .005), and midbrain/pons (P = .006) were independent predictors of disability/death. In receiver operating characteristics analysis, a simple 0-to-3 scoring system using these 3 variables had an area under the curve of .812 for prediction of disability/death (P < .001). CONCLUSIONS: Admission symptom severity, infarction of insula, and midbrain/pons were independent predictors of clinical outcome in acute ischemic stroke patients. The methodology of this hypothesis-generating study can help conceive quantitative population based probabilistic models for prognostication or treatment triage in stroke patients, combining admission clinical and imaging findings-including infarct topography. PMID- 29198950 TI - Comparison among ultrasonic, electrical apparatus, and toxic chemicals for vestibular lesion in mice. AB - BACKGROUND: The vestibular lesion (VL) is required to examine the physiological function of the vestibular system in animals. Toxic chemicals or electrical apparatus have been used for the VL, however, they are not ideal as they have low specificity, and can result in unintended damage, and systemic toxic effect. NEW METHOD: Localized vibration-induced VL, using an ultrasonicator, is expected to overcome the problems associated with chemical and electrical lesions. Thus, we examined the effect of the ultrasonication on the VL from the aspects of both the physiological function and histology in the present study. RESULTS: and Comparison with Existing Method(s) Complete VL, which was evaluated by deterioration of swimming skills, righting reflex, and body stability, was induced using an ultrasonicator or electrical apparatus. Histological evaluation shows that hair cell layers in the saccule and utricle were completely destroyed in both methods Furthermore, significant drop in body mass was observed in VL. However, abscess at the cranial base was observed in VL induced by the electrical apparatus in ICR mice. Complete chemically-induced VL was observed in C57BL/6J but not ICR mice, and systemic leakage of the toxic chemicals (arsenic) was not detectable even 1day after surgery. CONCLUSIONS: Compared to the electrical apparatus, the ultrasonicator is useful for inducing VL in ICR and C57BL/6J mice, as it results in less non-specific damage. Toxic chemicals can be used for inducing VL in C57BL/6J mice; however, this method does not ensure complete disruption of the hair cells in the saccule and utricle. PMID- 29198951 TI - Prospective evaluation of chronic pain disorders and treatments. AB - BACKGROUND: The incidence of chronic pain is variable among individuals who have sustained traumatic or surgical injury. Also, treatments for pain rarely are effective consistently for a procedure or agent, and no therapies are considered effective for pain that is chronic. NEW METHOD: Difficulties with standard methods for conducting clinical trials call attention to a need for protocols that provide a new understanding of the development of and control over chronic pain. Prospective single-subject research designs can document varieties of pain progression over time for individuals. Subsequent grouping of individuals with common characteristics directs a mechanism-based approach to therapy. RESULTS: Tracking of individuals' pain and associated influences over time is consistent with clinical practice, noting and adapting to changes that occur. COMPARISON WITH EXISTING METHODS: Grouping patients with diverse characteristics and variable effects of therapy is problematic. Conventional evaluation of pain assesses patients with similar injuries or surgery without characterizations of individuals who develop chronic pain or recover over time. Also, classical evaluation of therapies involves comparison of groups receiving treatment or a placebo without characterization of patients with successful and unsuccessful results. CONCLUSIONS: Single-subject prospective studies can inform clinical trials according to individual differences that would be obscured by comparison of groups with unknown variation in characteristics that influence pain and therapeutic effectiveness. PMID- 29198952 TI - Update on fosfomycin-modified genes in Enterobacteriaceae. AB - The long-used antibiotic fosfomycin has recently been re-evaluated as a potential regimen for treating extended-spectrum beta-lactamases (ESBLs) and carbapenem resistant Enterobacteriaceae (CRE). Fosfomycin is known for its robust bactericidal effect against ESBL-producing Enterobacteriaceae and CRE. However, fosfomycin-modified genes have been reported in transposon elements and conjugative plasmids, resulting in fosfomycin resistance in parts of East Asia. Here we review reports of fosfomycin-modified (fos) genes in Enterobacteriaceae and assess the efficacy of fosfomycin against multidrug-resistant Enterobacteriaceae infections. At least 10 kinds of fos genes have been identified in the past decade; of these, fosA (and fosA subtypes) and fosC2 are primarily found in Enterobacteriaceae. All fosA subtypes except fosA2 are found in plasmids and transposons, nearby insertion sequence elements, or integrons, indicating that mobilizing elements also play an important role in plasmid mediated fos genes in Enterobacteriaceae. fosA3, which is prevalent in East Asia, has been transmitted (mostly by animals) within and across continents via IS26 mobile elements. The acquisition of multiple antibiotic resistance genes via plasmids and mobile elements has resulted in a need for combined treatments for Enterobacteriaceae cases. The combination of fosfomycin and carbapenem has been the focus of many in vitro studies, but there is a clear need for additional in vivo investigations involving pharmacokinetics. PMID- 29198953 TI - National bundle care program implementation to reduce ventilator-associated pneumonia in intensive care units in Taiwan. AB - BACKGROUND/PURPOSE: This study investigated the impact of implementing ventilator associated pneumonia (VAP) bundle care on the rates of VAP in intensive care units (ICUs) in Taiwan. METHODS: A total of 10 ICUs (bed number, 170), including surgical (SICUs) (n = 7), cardiovascular/surgical (CV/S-ICUs) (n = 1), and medical ICUs (MICUs) (n = 2) from 10 hospitals (7 medical center hospitals and 3 regional hospitals) were enrolled in this quality-improvement project. This study was divided into the pre-intervention phase (1st January, 2012-31st July, 2013) and the intervention phase (1st August, 2013-31st October, 2014). RESULTS: Among the 10 hospitals, the overall rates (cases per 1000 ventilator-days) of VAP declined significantly (p = 0.005; rate ratio, 0.71) from 1.9 in the pre intervention period to 1.5 in the intervention period. Significant difference in VAP rates between these periods was found in the regional hospitals (from 1.6 to 0.7; p < 0.001) and the SICUs (from 2.1 to 1.4; p < 0.001), but not in the medical centers (2.0 vs. 1.9; p = 0.0667) or CV/S-ICUs (4.5 vs. 4.5; p = 0.5391). However, VAP rate increased significantly (cases per 1000 ventilator-days) in the MICUs between the two periods (from 0.5 to 1.0; p = 0.0489). For the VAP bundle care elements, the overall compliance rate was 87.7% with 83.6% and 97.9% in the medical centers and regional hospitals, respectively. CONCLUSIONS: Implementing VAP bundle care has effectively reduced VAP in Taiwanese ICUs, but differences in performance and compliance rates of VAP bundle care among the different ICUs and hospital categories did exist. PMID- 29198954 TI - Metabolic reprogramming of hydrogenosomal amino acids in Trichomonas vaginalis under glucose restriction. AB - BACKGROUND: Glucose is the major energy source that is converted to pyruvate for ATP generation in the trichomonad hydrogenosome. Under glucose restriction (GR), the regulation of amino acids metabolism is crucial for trichomonad growth and survival. RNA-sequencing (RNA-seq) analysis has been used to identify differentially expressed genes in Trichomonas vaginalis under GR, leading to significant advances in understanding adaptive responses of amino acid metabolism to GR. However, the levels of amino acid metabolites modulated by GR are unknown in T. vaginalis. METHODS: Herein, we describe a comprehensive metabolomic analysis of amino acid metabolites in the hydrogenosome using liquid chromatography Fourier transform ion cyclotron resonance mass spectrometry (LC-FT MS). The relative abundance of 17 hydrogenosomal amino acids was analyzed under GR and high-glucose (HG) conditions. RESULTS: Levels of most amino acids were higher in GR culture. Arginine was not detectable in either HG or GR cultures; however, its metabolic end-product proline was slightly increased under GR, suggesting that the arginine dihydrolase pathway was more activated by GR. Additionally, methionine catabolism was less stimulated under GR because of greater methionine accumulation. Furthermore, branched chain amino acids (BCAA), including leucine, isoleucine and valine, as well as phenylalanine and alanine, markedly accumulated under GR, indicating that glutamate-related metabolic pathways were remarkably enhanced in this setting. Our metabolomic analysis combined with previous RNA-seq data confirm the existence of several amino acid metabolic pathways in the hydrogenosome and highlight their potentially important roles in T. vaginalis under glucose deprivation. PMID- 29198955 TI - Sounding the Alarm. PMID- 29198956 TI - Effects of staining method and clinician experience on the evaluation of stallion sperm morphology. AB - Evaluation of sperm morphology is part of the assessment of fertility in human and animal reproduction. Analyses can be performed using different techniques, including the use of staining methods In our prospective study, the morphology of equine sperm was evaluated using 3 staining methods Diff-Quik, eosin-nigrosin, and SpermBlue, the latter being a relatively new stain commonly used for human sperm. Our hypotheses were that (1) SpermBlue allows easier assessment of horse sperm morphology and facilitates better identification of sperm abnormalities, and (2) sperm morphology classification differs depending on the evaluator's experience. Semen was obtained from various horse breeds; 40 samples from stallions between 2 and 15 years of age were collected during the 2016 breeding season and stored in a 2% buffered formaldehyde solution until processing. For each sample, 3 semen smears were made and stained with Diff-Quik, eosin-nigrosin, and SpermBlue. All morphological parameters were then evaluated blindly using a light microscope by a novice evaluator and a more experienced evaluator. For each slide, 200 spermatozoa were examined randomly and classified according to their characteristics. For the identification of morphologically normal spermatozoa, no significant difference between evaluators was found with any of the staining methods used. In contrast, significant differences between evaluators were observed in the classification of some anomalies affecting mainly the midpiece and the tail. Poor dye fixation was observed with SpermBlue. PMID- 29198957 TI - Novel Families of Archaeo-Eukaryotic Primases Associated with Mobile Genetic Elements of Bacteria and Archaea. AB - Cellular organisms in different domains of life employ structurally unrelated, non-homologous DNA primases for synthesis of a primer for DNA replication. Archaea and eukaryotes encode enzymes of the archaeo-eukaryotic primase (AEP) superfamily, whereas bacteria uniformly use primases of the DnaG family. However, AEP genes are widespread in bacterial genomes raising questions regarding their provenance and function. Here, using an archaeal primase-polymerase PolpTN2 encoded by pTN2 plasmid as a seed for sequence similarity searches, we recovered over 800 AEP homologs from bacteria belonging to 12 highly diverse phyla. These sequences formed a supergroup, PrimPol-PV1, and could be classified into five novel AEP families which are characterized by a conserved motif containing an arginine residue likely to be involved in nucleotide binding. Functional assays confirm the essentiality of this motif for catalytic activity of the PolpTN2 primase-polymerase. Further analyses showed that bacterial AEPs display a range of domain organizations and uncovered several candidates for novel families of helicases. Furthermore, sequence and structure comparisons suggest that PriCT-1 and PriCT-2 domains frequently fused to the AEP domains are related to each other as well as to the non-catalytic, large subunit of archaeal and eukaryotic primases, and to the recently discovered PriX subunit of archaeal primases. Finally, genomic neighborhood analysis indicates that the identified AEPs encoded in bacterial genomes are nearly exclusively associated with highly diverse integrated mobile genetic elements, including integrative conjugative plasmids and prophages. PMID- 29198959 TI - Evaluation of Immune Reaction and PD-L1 Expression Using Multiplex Immunohistochemistry in HER2-Positive Breast Cancer: The Association With Response to Anti-HER2 Neoadjuvant Therapy. AB - BACKGROUND: Immune reaction with tumor-infiltrating lymphocytes (TILs) has been extensively investigated in breast cancer. Programmed cell death 1 and its ligand (PD-L1) are key physiologic suppressors of cytotoxic immune reaction. However, the combination of TILs with PD-L1 expression has not been well studied in breast cancer. PATIENTS AND METHODS: A multi-color immunohistochemical multiplex assay simultaneously detecting PD-L1, CD8, and CD163 was performed on biopsy whole sections from 123 HER2-positive (HER2+) breast cancers, including 64 treated with anti-HER2 neoadjuvant therapy and subsequent resection. RESULTS: PD-L1 expression was identified in 88 cases (72%) including 21 (17%) in tumor cells and 67 (55%) in immune cells. PD-L1 expression was positively associated with high Nottingham grade, high nuclear grade, and a high level of CD8+ and CD163+ cells. Among the 64 patients who received neoadjuvant therapy, 39 had pathologic complete remission (pCR) and 25 had incomplete response. Multivariate analysis showed progesterone receptor negativity, HER2/chromosome 17 centromere (CEN17) ratio and intratumoral CD8+ cells were significantly associated with pCR. Furthermore, all patients with intratumoral CD8+ cells but no PD-L1 expression achieved pCR. CONCLUSION: Our data have shown that examination of intratumoral CD8+ cells together with PD-L1 expression proves useful in predicting response to anti-HER2 targeted therapy in patients with HER2+ breast cancer. PMID- 29198958 TI - Inhalation anaesthetic isoflurane inhibits the muscarinic cation current and carbachol-induced gastrointestinal smooth muscle contractions. AB - Gastrointestinal tract motility may be demoted significantly after surgery operations at least in part due to anaesthetic agents, but there is no comprehensive explanation of the molecular mechanism(s) of such adverse effects. Anesthetics are known to interact with various receptors and ion channels including several subtypes of transient receptor potential (TRP) channels. Two members of the canonical subfamily of TRP channels (TRPC), TRPC4 and TRPC6 are Ca2+-permeable cation channels involved in visceral smooth muscle contractility induced by acetylcholine, the primary excitatory neurotransmitter in the gut. In the present study, we aimed to study the effect of anesthetics on muscarinic receptor-mediated excitation and contraction of intestinal smooth muscle. Here we show that muscarinic cation current (mICAT) mediated by TRPC4 and TRPC6 channels in mouse ileal myocytes was strongly inhibited by isoflurane (0.5mM), one of the most commonly used inhalation anesthetics. Carbachol-activated mICAT was reduced by 63 +/- 11% (n = 5), while GTPgammaS-induced (to bypass muscarinic receptors) current was inhibited by 44 +/- 9% (n = 6). Furthermore, carbachol-induced ileum and colon contractions were inhibited by isoflurane by about 30%. We discuss the main sites of isoflurane action, which appear to be G-proteins and muscarinic receptors, rather than TRPC4/6 channels. These results contribute to our better understanding of the signalling pathways affected by inhalation anesthetics, which may cause ileus, and thus may be important for the development of novel treatment strategies during postoperative recovery. PMID- 29198960 TI - [Distinct symptoms and important implications in a 42-year-old man]. PMID- 29198961 TI - A case of successfully treated relapsing peritoneal dialysis-associated peritonitis caused by Gordonia bronchialis in a farmer. AB - Gordonia species are aerobic, weakly acid-fast, Gram-positive pathogens that rarely cause human infections, usually in immunocompromised patients. It is uncommon bacilli in cases of peritoneal dialysis-related peritonitis. The small number of infections with Gordonia species reported for humans may be stipulated by the difficulty in identifying the organism using conventional techniques. Careful review of Gram stains and modified-acid-fast stains should be done, so that confusion with other actinomycetes is minimized, pending the genotypic identification. Here we report a case that was caused by Gordonia bronchialis and thus required different considerations of treatment. PMID- 29198962 TI - [Type 1 primary hyperoxaluria: From childhood to adult, how to manage adequately medical therapy compliance?] AB - We report the cases of three young patients suffering from type 1 primary hyperoxaluria, a metabolic genetic disorder characterized by intracellular accumulation of oxalate and which may result in end-stage renal disease with systemic impairment. A number of effective conservative therapeutic means are available for early management of affected children particularly when he is growing older. Despite the demonstrated efficacy of conservative therapy, compliance represents a major and daily challenge. Monitoring therapeutic compliance is thus an important task for physicians in charge of this disease. A better understanding of non-compliance causes is required to improve the follow up of patients for whom treatment education must be a priority. PMID- 29198963 TI - Prenatal phthalate exposure and language development in toddlers from the Odense Child Cohort. AB - BACKGROUND: Phthalates are a group of chemicals found in a variety of consumer products. They have anti-androgenic properties and human studies have reported associations between prenatal phthalate exposure and neuropsychological development in the offspring despite different cognitive tests, different ages and varying timing of exposure. OBJECTIVES: To investigate the association between prenatal phthalate exposure and language development in children aged 20 36months. METHODS: In the Odense Child Cohort, we analyzed 3rd trimester urine samples of 518 pregnant women for content of metabolites of diethyl, di-n-butyl, diisobutyl, butylbenzyl, di(2-ethylhexyl), and diisononyl phthalate, adjusted for osmolality. Language development was addressed using the Danish version of the MacArthur-Bates Communicative Development Inventories "Words and Sentences". Associations were assessed using logistic regression models comparing children below and above the 15th percentile while stratifying by sex and adjusting for maternal age and educational level. RESULTS: Phthalate metabolites were detectable in all samples although in lower levels than previous studies. Among boys, increased prenatal phthalate exposure was associated with lower scores in language development; odds ratios for vocabulary score below the 15th percentile with doubling in monoethyl phthalate, and summed di-(2-ethylhexyl) phthalate metabolites were respectively 1.24 (95% confidence interval: 1.05,1.46), and 1.33 (1.01,1.75). Similar associations were found for language complexity. No associations were found for girls. CONCLUSIONS: Our findings are notable, as adverse associations were suggested even in this low-level exposed population, with only one spot urine sample for exposure assessment and control for confounders. Lower scores in early language development are of relevance to health as this test predicts later educational success. PMID- 29198965 TI - Telestroke: India's solution to a public health-care crisis. PMID- 29198966 TI - The evolving landscape of epilepsy neuropathology. PMID- 29198964 TI - Madecassoside protects BV2 microglial cells from oxygen-glucose deprivation/reperfusion-induced injury via inhibition of the toll-like receptor 4 signaling pathway. AB - In a previous study, the authors reported that madecassoside (MA) exerted a potent neuroprotective effect against cerebral ischemia-reperfusion (I/R) injury in rats, mediated by anti-oxidative, anti-inflammatory, and anti-apoptotic mechanisms. However, the cellular and molecular bases for its neuroprotective effects have not been fully elucidated. In this study, an in vitro ischemic model of oxygen-glucose deprivation followed by reperfusion (OGD/R) was used to investigate the role of the toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor-kappa B (NF-kappaB) pathway in the neuroprotective and anti-inflammatory effects of MA. BV2 microglia viability after OGD/R, treated with or without MA, was measured using the MTT assay. Messenger RNA and protein expression of pro-inflammatory cytokines (tumor necrosis factor alpha [TNF-alpha], interleukin-1beta [IL-1beta], interleukin-6 [IL-6]) were measured using real-time polymerase chain reaction (RT-PCR) and ELISA after OGD/R or lipopolysaccharide treatment. Expression of TLR4/MyD88 and NF-kappaB p65 were measured using RT-PCR, Western blotting, and immunofluorescence analysis. MA significantly rescued OGD/R-induced cytotoxicity in BV2 microglia. Meanwhile, MA suppressed the secretion of pro-inflammatory mediators, including TNF-alpha, IL-1beta, and IL-6, induced by OGD/R or lipopolysaccharide in BV2 microglia. The mechanism of its neuroprotection and anti-inflammation from OGD/R may involve the inhibition of activation of TLR4 and MyD88 in BV2 microglia, and the blockage of NF-kappaB p65 nuclear translocation. MA exhibited a significant neuroprotective effect against I/R injury in both in vivo and in vitro experiments by attenuating microglia-mediated neuroinflammation via inhibition of the TLR4/MyD88/NF-kappaB signaling pathway. PMID- 29198967 TI - CPR-related organ injuries in pregnant and non-pregnant subjects: Liver. An overview of evidence. PMID- 29198968 TI - Clustering of Rac1: Selective Lipid Sorting Drives Signaling. AB - The ability of lipid-anchored small GTPases to form nanometer-scale lipid domains on the cell plasma membrane (PM) is precipitating exciting new insights into membrane-anchored protein regulation. A recent article by Remorino et al. demonstrates that Rac1, similar to Ras, forms nanoclusters on the PM. The implications of these findings are discussed herein. PMID- 29198969 TI - Validation of a touchscreen psychomotor vigilance task. AB - OBJECTIVE: The purpose of this study was to compare a psychomotor vigilance task developed for use on touchscreen devices with the original PVT-192 in conditions of acute sleep loss and circadian desynchronization. BACKGROUND: The Psychomotor Vigilance Task (PVT) is considered the gold standard fatigue detection test and is used frequently in fatigue research. With the rapid development of new technologies it is essential to develop a PVT available on different platforms such as touchscreen devices. The advantage of such PVT is that it can be implemented on small devices and can be easily used in field studies. METHODS: Ten participants completed a 5-min PVT (NASA-PVT) on a touchscreen device and a 5 min PVT on the original PVT-192. On the day of the experiment, participants arrived in the lab approximately two hours after their habitual wake time. Participants completed a constant routine protocol under dim lighting, while maintaining a constant posture. The 5-min PVT-192 and NASA-PVT were taken every two hours for at least 24h. RESULTS: The NASA-PVT and PVT-192 were sensitive to extended wakefulness in the same manner. The reaction times were slower and the lapses were higher as time progressed on both NASA-PVT and PVT-192 (p<0.001). Overall, there was a sharp decline in performance after 16h of being awake which coincided with the time the participants were usually going to bed and the worst performance occurred after 24h of wakefulness for both PVTs (p<0.001). CONCLUSIONS: Overall, our data suggest that the NASA-PVT is a valid tool for assessing fatigue in field studies. PMID- 29198970 TI - The choriocarcinoma cell line JEG-3 upregulates regulatory T cell phenotypes and modulates pro-inflammatory cytokines through HLA-G. AB - An understanding of the interactions between immune cells and trophoblast cells, as well as choriocarcinoma cells, are of extreme importance in reproductive immunology and cancer immunology. In this study, we found that the human HLA-G positive choriocarcinoma cell line JEG-3 upregulates CD4+CD25hiCD127lo T cells, increases the expression of HLA-G+CD4+ and CD8+ T cells, and decreases the expression of ILT2+ on CD4+ T cells in resting PBMCs after six days of co culture. Expression of HLA-G on JEG-3 cells did not affect regulatory T cell phenotypes, but promoted modulation of pro-inflammatory cytokines IFN-gamma, TNF alpha and IL-17A. When JEG-3 cells were stimulated with rhIFN-gamma prior to co culture, CD4+HLA-G+ T cells were significantly increased, and IFN-gamma and TNF alpha elevated. Taken together, the results indicate that JEG-3 cells upregulate regulatory T cell phenotypes and modulate the level of pro-inflammatory cytokines, which might be important mechanisms in the tumor microenvironment and at the feto-maternal interface during pregnancy. PMID- 29198971 TI - Characteristics of feeding tube dependency with respect to food aversive behaviour and growth. AB - The use of feeding tubes in pediatric medical procedures and management has dramatically increased over the last three decades. With this increase, the prevalence of Feeding Tube Dependency (FTD) - a reliance on enteral feeding following medical recovery due to lack of oral intake of nutrition, despite being able to eat- has increased too. It has been suggested, that cases with FTD show avoidant feeding behaviours such as food refusal, gagging or swallowing resistance, but evidence for this hypothesis is scarce. In a German population of 146 cases requesting feeding tube dependency treatment between 2005 and 2008 the frequency of occurrence of avoidant behaviour in FTD cases has been evaluated and was correlated to growth. The study includes children under 50 months of age being tube fed for at least three months. Parents received the Anamnestic Questionnaire for Feeding Disorder and Tube Weaning (AFT), which evaluates nutritional supply, tube feeding, feeding disorder symptoms, medical diagnosis, growth and psychosocial variables. The study group was comprised of 101 children (50 male, 51 female), with a median age of 15 months (IQR: 10-26.5) and a median tube feeding duration of 13 months (IQR: 8-27). The most prevalent medical diagnoses were congenital malformations (n = 51) and prematurity (n = 27). Parents reported daily symptoms of food aversion through all age groups, like food refusal 2 (IQR: 1-3), gagging 1 (IQR: 0-3), vomiting 1 (0.1-2) and total symptoms 6 (5-11). Vomiting was negatively correlated with weight and length percentile and head circumference. Cases with FTD show frequent and persistent food avoidant behaviors, which may be explain the need for specific psychological treatment during transitioning from tube dependency to oral eating. PMID- 29198972 TI - Analysis of codon usage bias of Crimean-Congo hemorrhagic fever virus and its adaptation to hosts. AB - Crimean-Congo hemorrhagic fever virus (CCHFV) is a negative-sense, single stranded RNA virus with a three-segmented genome that belongs to the genus Nairovirus within the family Bunyaviridae. CCHFV uses Hyalomma ticks as a vector to infect humans with a wide range of clinical signs, from asymptomatic to Zika like syndrome. Despite significant progress in genomic analyses, the influences of viral relationships with different hosts on overall viral fitness, survival, and evading the host's immune systems remain unknown. To better understand the evolutionary characteristics of CCHFV, we performed a comprehensive analysis of the codon usage pattern in 179 CCHFV strains by calculating the relative synonymous codon usage (RSCU), effective number of codons (ENC), codon adaptation index (CAI), and other indicators. The results indicate that the codon usage bias of CCHFV is relatively low. Several lines of evidence support the hypothesis that a translation selection factor is shaping codon usage pattern in this virus. A correspondence analysis (CA) showed that other factors, such as base composition, aromaticity, and hydrophobicity may also be involved in shaping the codon usage pattern of CCHFV. Additionally, the results from a comparative analysis of RSCU between CCHFV and its hosts suggest that CCHFV tends to evolve codon usage patterns that are comparable to those of its hosts. Furthermore, the selection pressures from Homo sapiens, Bos taurus, and Ovis aries on the CCHFV RSCU patterns were dominant when compared with selection pressure from Hyalomma spp. vectors. Taken together, both natural selection and mutation pressure are important for shaping the codon usage pattern of CCHFV. We believe that such findings will assist researchers in understanding the evolution of CCHFV and its adaptation to its hosts. PMID- 29198973 TI - Association of Burnout With Emotional Intelligence and Personality in Surgical Residents: Can We Predict Who Is Most at Risk? AB - OBJECTIVES: Burnout is common among surgical residents and may be related to personality characteristics, emotional intelligence (EI), or work experiences. DESIGN: Longitudinal cohort study over 1 year. SETTING: Tertiary academic medical centers in the Northeast. PARTICIPANTS: All general surgery residents in 2 programs (n = 143) were invited to complete an electronic survey at 3 time points; 88, 64, and 69 residents completed the survey (overall response rate 52%). RESULTS: Severe burnout was observed in 51% of residents (n = 41). Higher scores were associated with female sex (p = 0.02). Burnout scores were highest at the beginning and end of the academic year; EI and personality scores remained stable. On bivariate analysis, high EI score (p < 0.001), agreeableness and emotional stability personality features (p = 0.003), and positive job experiences (p < 0.01) were protective against burnout. Higher EI and positive work experiences were independent predictors of lower burnout (p < 0.01) after multivariable adjustment. CONCLUSIONS: Surgical residents have high levels of burnout. Higher EI and positive work experiences are associated with lower burnout. Focused interventions to improve EI and optimize the work environment may prevent or lessen burnout. PMID- 29198974 TI - Low Acceptability of Certain Contraceptive Methods among Young Women. AB - STUDY OBJECTIVE: To examine what predicts low personal acceptability of 4 different contraceptive methods among young women. DESIGN: Cross-sectional survey. SETTING: Urban adolescent contraception clinic in Colorado. PARTICIPANTS: Female clinic patients ages 13-24 initiating contraception from August 2011 to April 2012. INTERVENTIONS AND MAIN OUTCOME MEASURES: Survey participants reported their personal acceptability for oral contraceptive pills, depot medroxyprogesterone, contraceptive implants, and intrauterine devices on a scale from 0 (low) to 10 (high). Responses of 0-4 were categorized as low personal acceptability. Demographic characteristics, reproductive history, and perceived contraceptive satisfaction of friends and family members were incorporated into multivariable and hierarchical logistic regression models to determine distinct predictors of low personal acceptability for each method. RESULTS: Surveys were completed by 1067 women. Participants' mean age was 20 (+/-2.6) years. Half (552/1067) were white, 26% (277/1067) Hispanic, and 8.5% (91/1067) black. Of participants who were aware of oral contraceptive pills 52% (535/1037) reported low acceptability of this method compared with 74% (645/876) of those aware of depot medroxyprogesterone. Fewer reported low acceptability of intrauterine devices (37% or 303/825) or implant (43% or 356/839), although fewer overall participants had heard of these methods. Each method had unique predictors of low personal acceptability, however, for all method models, significant predictors included knowing someone who had become pregnant while using that method or having a friend who dislikes that method. CONCLUSION: Young women in this study with low personal acceptability of the 4 most common contraceptive methods had distinct demographic and reproductive health characteristics. Perceived negative experiences of friends and family members using contraception appeared most influential. PMID- 29198975 TI - Improvement of bovine in vitro embryo production by ovarian follicular wave synchronization prior to ovum pick-up. AB - This study evaluated the effects of the synchronization of ovarian follicular wave emergence on the efficiency of in vitro embryo production. Bos indicus cows (n = 20) were divided into two groups (control vs. synchronization) and subjected to repeated ovum pick-up (OPU) sessions (8 replicates each, with an interval of 21 days in a 2 * 2 crossover design) and subsequent in vitro embryo production. Cows in the control group (n = 10) were submitted to OPU procedures without any stimulation every 21 days. Animals in the synchronization group received a protocol-based progesterone implant, estradiol benzoate and prostaglandin on a random day of the estrus cycle (Day 0) and the OPU was performed on Day 5. After in vitro production, embryos were transferred to recipients synchronized at a fixed time and the diagnosis was performed 60 days later. An evaluation of the parameters for each OPU session revealed that donors that received the synchronization protocol pre-OPU showed a greater number of embryos (5.9 +/- 0.5 vs. 4.5 +/- 0.4; P = 0.037), higher rate of embryo production (45.8% vs. 38.5%; P = 0.001) and higher mean number of conceptions per group (2.2 +/- 0.2 vs. 1.6 +/- 0.2; P = 0.07) in relation to the group that did not receive hormonal treatment. We concluded that synchronization of the follicular wave prior to OPU showed positive effects on in vitro embryo production as well as on pregnancy rates. PMID- 29198976 TI - Ligand-free method to produce the anti-angiogenic recombinant Galectin-3 carbohydrate recognition domain. AB - Galectin-3 (Gal3) is involved in many physiological processes related to tumor growth, such as promoting angiogenesis, cell migration/invasion, resistance to apoptosis and immune response modulation. Usually the overexpression of Gal3 is a poor prognostic marker for cancer patients. Recombinant Gal3 carbohydrate domain (Gal3C) has been proposed as a useful tool to inhibit angiogenesis. So far, all production protocols reported for Gal3C production have used proteolytic cleavage of full length Gal3 and/or affinity-based purification. This involves dialysis, a time consuming step used to eliminate the elution ligand, usually lactose. In this report, we describe an alternative method to produce human recombinant Gal3C in E. coli, purified with cationic exchange and size exclusion chromatography. The recombinant protein was characterized using circular dichroism and nuclear magnetic resonance, showing a beta sheet enriched well-folded globular structure. The average yield obtained was 26 mg/L of broth and the purity was above 99%. The anti-angiogenic activity was assessed in vitro and showed a reduction of 70% and 77% in endothelial cells tubule formation upon treatment with 10 and 20 MUg/mL, respectively and also had no impact on cell viability. The method described here is more suitable for both laboratory and industrial production of the potential anti-tumor Gal3C. PMID- 29198977 TI - Robust output feedback stabilization for a flexible marine riser system. AB - The aim of this paper is to develop a boundary control for the vibration reduction of a flexible marine riser system in the presence of parametric uncertainties and system states obtained inaccurately. To this end, an adaptive output feedback boundary control is proposed to suppress the riser's vibration fusing with observer-based backstepping, high-gain observers and robust adaptive control theory. In addition, the parameter adaptive laws are designed to compensate for the system parametric uncertainties, and the disturbance observer is introduced to mitigate the effects of external environmental disturbance. The uniformly bounded stability of the closed-loop system is achieved through rigorous Lyapunov analysis without any discretisation or simplification of the dynamics in the time and space, and the state observer error is ensured to exponentially converge to zero as time grows to infinity. In the end, the simulation and comparison studies are carried out to illustrate the performance of the proposed control under the proper choice of the design parameters. PMID- 29198978 TI - Controllability of fractional higher order stochastic integrodifferential systems with fractional Brownian motion. AB - This paper presents a new set of sufficient conditions for controllability of fractional higher order stochastic integrodifferential systems with fractional Brownian motion (fBm) in finite dimensional space using fractional calculus, fixed point technique and stochastic analysis approach. In particular, we discuss the complete controllability for nonlinear fractional stochastic integrodifferential systems under the proved result of the corresponding linear fractional system is controllable. Finally, an example is presented to illustrate the efficiency of the obtained theoretical results. PMID- 29198980 TI - Applications of pHLIP Technology for Cancer Imaging and Therapy: (Trends in Biotechnology 35, 653-664, 2017). PMID- 29198979 TI - Bone volume fraction and structural parameters for estimation of mechanical stiffness and failure load of human cancellous bone samples; in-vitro comparison of ultrasound transit time spectroscopy and X-ray MUCT. AB - Conventional mechanical testing is the 'gold standard' for assessing the stiffness (N mm-1) and strength (MPa) of bone, although it is not applicable in vivo since it is inherently invasive and destructive. The mechanical integrity of a bone is determined by its quantity and quality; being related primarily to bone density and structure respectively. Several non-destructive, non-invasive, in vivo techniques have been developed and clinically implemented to estimate bone density, both areal (dual-energy X-ray absorptiometry (DXA)) and volumetric (quantitative computed tomography (QCT)). Quantitative ultrasound (QUS) parameters of velocity and attenuation are dependent upon both bone quantity and bone quality, although it has not been possible to date to transpose one particular QUS parameter into separate estimates of quantity and quality. It has recently been shown that ultrasound transit time spectroscopy (UTTS) may provide an accurate estimate of bone density and hence quantity. We hypothesised that UTTS also has the potential to provide an estimate of bone structure and hence quality. In this in-vitro study, 16 human femoral bone samples were tested utilising three techniques; UTTS, micro computed tomography (MUCT), and mechanical testing. UTTS was utilised to estimate bone volume fraction (BV/TV) and two novel structural parameters, inter-quartile range of the derived transit time (UTTS-IQR) and the transit time of maximum proportion of sonic-rays (TTMP). MUCT was utilised to derive BV/TV along with several bone structure parameters. A destructive mechanical test was utilised to measure the stiffness and strength (failure load) of the bone samples. BV/TV was calculated from the derived transit time spectrum (TTS); the correlation coefficient (R2) with MUCT-BV/TV was 0.885. For predicting mechanical stiffness and strength, BV/TV derived by both MUCT and UTTS provided the strongest correlation with mechanical stiffness (R2=0.567 and 0.618 respectively) and mechanical strength (R2=0.747 and 0.736 respectively). When respective structural parameters were incorporated to BV/TV, multiple regression analysis indicated that none of the MUCT histomorphometric parameters could improve the prediction of mechanical stiffness and strength, while for UTTS, adding TTMP to BV/TV increased the prediction of mechanical stiffness to R2=0.711 and strength to R2=0.827. It is therefore envisaged that UTTS may have the ability to estimate BV/TV along with providing an improved prediction of osteoporotic fracture risk, within routine clinical practice in the future. PMID- 29198981 TI - Does the proposed removal of mitotic count as a prognostic indicator in melanoma, accurately reflect the risk profile for metastasis in UK patients? PMID- 29198982 TI - Robotic-assisted DIEP flap harvest: A feasibility study on cadaveric model. PMID- 29198983 TI - Concentration-dependent supramolecular patterns of C3 and C2 symmetric molecules at the solid/liquid interface. AB - Here we report on a scanning tunnelling microscopy (STM) investigation on the self-assembly of C3- and C2-symmetric molecules at the solution/graphite interface. 1,3,5-tris((E)-2-(pyridin-4-yl)vinyl)benzene and 1,1,2,2-tetrakis(4 (pyridin-4-yl)phenyl)ethane are used as model systems. These molecules displayed a concentration dependent self-assembly behaviour on graphite, resulting in highly ordered supramolecular structures, which are stabilized jointly by van der Waals substrate-adsorbate interactions and in-plane intermolecular H-bonding. Denser packing is obtained when applying a relatively high concentration solution to the basal plane of the surface whereas a less dense porous network is observed upon lowering the concentration. We show that the molecular conformation does not influence the stability of the self-assembly and a twisted molecule can pack into dense and porous architectures under the concentration effect. PMID- 29198984 TI - Relation of an Echocardiographic-Based Cardiac Calcium Score to Mitral Stenosis Severity and Coronary Artery Disease in Patients with Severe Aortic Stenosis. AB - Patients with calcific aortic stenosis (AS) often have diffuse cardiac calcification involving the mitral valve apparatus and coronary arteries. We examined the association between global cardiac calcification quantified by a previously validated echocardiographic calcium score (eCS) with the severity of mitral stenosis (MS) and coronary artery disease (CAD) in patients with a clinical diagnosis of severe calcific AS. In this sample of 147 patients (mean age 81 +/- 9 years, 50% male), 81 patients (55%) were determined by echocardiography to have some degree of MS. Higher mean eCS was observed in patients with more severe MS (r = 0.54, p < 0.0001). Higher eCS was also inversely associated with mitral valve area (r = -0.31, p = 0.001) and positively associated with mitral valve mean pressure gradient (r = 0.46, p < 0.0001) and mitral valve peak flow velocity (r = 0.55, p < 0.0001). The area under the receiver operating characteristic curve for using eCS to predict the presence of MS was 0.76. An eCS >= 8 predicted MS with a sensitivity of 68%, specificity of 76%, positive predictive value of 77%, and negative predictive value of 66%. High eCS, relative to low eCS, was associated with 2.70 times the adjusted odds of CAD (odds ratio = 2.70, 95% confidence interval 1.02 to 7.17). In conclusion, global cardiac calcification is associated with MS and CAD in patients with severe calcific AS, and eCS shows ability to predict the presence of MS. This study suggests that a simple eCS may be used as part of a risk-stratification tool in patients with severe calcific aortic valve stenosis. PMID- 29198985 TI - Clinical and Psychological Drivers of Perceived Health Status in Adults With Congenital Heart Disease. AB - The factors having the greatest impact on self-reported health status in adults with congenital heart disease (ACHD) remain incompletely studied. We conducted a single-site, cross-sectional study of ACHD patients followed at the Center for ACHD at Washington University School of Medicine, including retrospectively gathered clinical data and psychometric and health status assessments completed at the time of enrollment. To identify primary drivers of perceived health status, we investigated the impact of the demographic, clinical, and psychological variables on self-reported health status as assessed using the Rand 36-Item Short Form Health Survey. Variables with significant associations within each domain were considered jointly in multivariable models constructed via stepwise selection. There was domain-specific heterogeneity in the variables having the greatest effect on self-reported health status. Depression was responsible for the greatest amount of variability in health status in all domains except physical functioning. In the physical functioning domain, depression remained responsible for 5% of total variability, the third most significant variable in the model. In every domain, depression more strongly influenced health status than did any cardiac-specific variable. In conclusion, depression was responsible for a significant amount of heterogeneity in all domains of self-perceived health status. Psychological variables were better predictors of health status than clinical variables. PMID- 29198986 TI - Australian Trends in Procedural Characteristics and Outcomes in Patients Undergoing Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction. AB - Over the last decade, systems of care for ST-elevation myocardial infarction (STEMI) have evolved to try to improve outcomes and timely access to percutaneous coronary intervention (PCI). There have also been advances in PCI techniques and adjunctive pharmacotherapies. In this study, we sought to determine temporal changes in practices and clinical outcomes of PCI in patients with STEMI. We prospectively collected data on 8,412 consecutive patients undergoing PCI for STEMI between 2005 and 2016 in the multicenter Melbourne Interventional Group registry. Data were divided by procedure year for trends analysis. The primary end point was 30-day mortality. Patient demographics and comorbidities including smoking and diabetes have remained stable. The volume of primary PCI performed within 12 hours of symptom onset has significantly risen (65.7% to 80.1%, p < 0.01). The proportion of patients achieving the recommended door-to-balloon time <=90 minutes has also risen (37.6% to 59.0%, p < 0.01). Patient complexity has also increased with more patients after out-of-hospital cardiac arrest with STEMI now being treated with PCI (2.6% to 9.1%, p < 0.01). A shift from mainly femoral to radial access and from bare-metal to drug-eluting stent use was seen. Glycoprotein IIb/IIIa inhibitors are being used less frequently with increasing use of newer antiplatelet agents. Thirty-day mortality has remained low throughout the study period at 6.5% overall. In conclusion, although timely access to primary PCI has improved, mortality rates have remained unchanged, but remain low and compare favorably with international data. Australian PCI practice has overall evolved in response to evidence and emergence of new adjunctive device and pharmacotherapies. PMID- 29198987 TI - Energy landscape of the intact and destabilized FMO antennas from C. tepidum and the L122Q mutant: Low temperature spectroscopy and modeling study. AB - We discuss the excitonic energy landscape of the typically studied wild-type (WT) Fenna-Matthews-Olson (FMO) antenna protein from the green sulfur bacterium Chlorobaculum tepidum (referred to as WTM), which is described as a mixture of intact (WTI) and destabilized (WTD) complexes. Optical spectra of WTM and the L122Q mutant (where leucine 122 near BChl 8 is replaced with glutamine) are compared to WTI FMO. We show that WTM and L122Q samples are mixtures of two subpopulations of proteins, most likely induced by protein conformational changes during the isolation/purification procedures. Absorption, emission, and HB spectra of WTM and L122Q mutant are very similar, in which the low-energy trap (revealed by the nonresonant HB spectra) shifts to higher energies as a function of fluence, supporting a mixture model. No fluence-dependent shift is observed in the WTI FMO trimers. New Hamiltonians are provided for WTI and WTD proteins. Resonant HB spectra show that the internal energy relaxation times in the WTM and L122Q mutant are similar, and depend on excitation frequency. Fast average relaxation times (excited state lifetimes) are observed for burning into the main broad absorption band near 805nm. Burning at longer wavelengths reveals slower total dephasing times. No resonant bleach is observed at lambdaB<=803nm, implying much faster (femtosecond) energy relaxation in this spectral range in agreement with 2D electronic spectroscopy frequency maps. PMID- 29198988 TI - Sensing and Transmitting Intracellular Amino Acid Signals through Reversible Lysine Aminoacylations. AB - Amino acids are known regulators of cellular signaling and physiology, but how they are sensed intracellularly is not fully understood. Herein, we report that each aminoacyl-tRNA synthetase (ARS) senses its cognate amino acid sufficiency through catalyzing the formation of lysine aminoacylation (K-AA) on its specific substrate proteins. At physiologic levels, amino acids promote ARSs bound to their substrates and form K-AAs on the E-amine of lysines in their substrates by producing reactive aminoacyl adenylates. The K-AA marks can be removed by deacetylases, such as SIRT1 and SIRT3, employing the same mechanism as that involved in deacetylation. These dynamically regulated K-AAs transduce signals of their respective amino acids. Reversible leucylation on ras-related GTP-binding protein A/B regulates activity of the mammalian target of rapamycin complex 1. Glutaminylation on apoptosis signal-regulating kinase 1 suppresses apoptosis. We discovered non-canonical functions of ARSs and revealed systematic and functional amino acid sensing and signal transduction networks. PMID- 29198989 TI - Effect of creatinine and cystatin C measurement variations on calculated estimated glomerular filtration rate variations and the theoretical impact on kidney disease stage classification: A retrospective study. AB - BACKGROUND: The estimated glomerular filtration rate (eGFR) is an important parameter in the management of patients with kidney diseases, yet eGFR quality goals are lacking. We examined the uncertainties in eGFR determinations and assessed their impact on patient classifications, aiming to set eGFR quality goals. METHODS: Adult patients undergoing creatinine concentration assessments at our hospital, between June 2014 and October 2016, were included (N=285,982). Using 7 eGFR equations, we calculated the imprecisions in the eGFR, based on the imprecisions in determining creatinine and/or cystatin C concentrations. The uncertainties in the eGFR were expressed as functions of creatinine and/or cystatin C concentration uncertainties. Subsequently, the number of ambiguous cases was assessed, based on the calculated uncertainty in the eGFR. RESULTS: Uncertainties in the eGFRs varied according to the eGFR calculation equation used. Although a 0.8% expanded uncertainty in the eGFR caused a 3.5% ambiguous case rate, a 10% expanded uncertainty resulted in a 42.3% rate of ambiguous cases. To meet minimal quality requirements, creatinine imprecision should be <=3.0%. CONCLUSIONS: Even a low level of uncertainty in the eGFR may cause noticeable impacts on patient classifications. Laboratory physicians should be aware, and cautious, of the uncertainties in eGFR calculations. PMID- 29198990 TI - Prognostic and clinicopathological value of Nanog in hepatocellular carcinoma: A meta-analysis. AB - BACKGROUND AND AIMS: Recently, studies indicate that Nanog is over-expressed in hepatocellular carcinoma (HCC); however, the relationship between Nanog expression and clinicopathological and prognostic value remains controversial. Therefore, we conducted a meta-analysis to explore the role of Nanog in HCC. METHODS: Articles were included from PubMed, Cochrane Library, Web of Science, EMBASE database, Chinese CNKI, and the Chinese WanFang database. The relationships between Nanog expression, clinicopathological features, and survival rate were calculated. Pooled odds ratios (ORs) and hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated with STATA14.2. RESULTS: A total of 845 patients from 9 articles were enrolled. Positive Nanog expression was correlated with HBsAg, differentiation, and TNM stage, although it was not related to gender, age, alpha-fetoprotein (AFP), tumor size, tumor number, liver cirrhosis, and vascular invasion. Positive Nanog expression indicates a poor 3 year and 5-year overall survival and disease-free survival rate. CONCLUSION: The results show that Nanog expression was related to HBsAg, differentiation, and TNM stage in HCC. Nanog may be an unfavorable prognostic biomarker for HCC. PMID- 29198991 TI - Interleukin-23 receptor polymorphism (rs10889677 A/C) in ankylosing spondylitis: Meta-analysis in Caucasian and Asian populations. AB - BACKGROUND: The association between interleukin-23 receptor (IL23R) gene rs10889677 polymorphism and ankylosing spondylitis (AS) susceptibility was inconsistent in the recent literatures. A systematic review and meta-analysis was therefore performed. METHODS: Online electronic databases were searched for relevant studies published up to November 2017. Meta-analyses were performed for the comparisons of allele (A versus C) and multiple genetic models, including dominant, recessive, heterozygous, and homozygous models using fixed or random effects models. Odds ratios (OR) with 95% confidence intervals (95%CI) were utilized to assess the potential relationship. RESULTS: Sixteen studies containing 19 separate comparisons, totaling 6450 cases and 8009 controls were included. A significant association between rs10889677 A allele and AS susceptibility was detected (OR=1.136, 95%CI=1.043-1.236, P=0.003). Stratified analysis by ethnicity indicated that rs10889677 A allele was significantly associated with AS in Europeans (OR=1.192, 95%CI=1.080-1.315, P<0.001), but not Asians (OR=1.045, 95%CI=0.913-1.197, P=0.523). In addition, there were no significant associations between rs10889677 polymorphism and AS susceptibility in any of dominant, recessive, homozygous and heterozygous models. CONCLUSION: This meta-analysis demonstrates that IL23R gene rs10889677 A allele confers increased risk of AS in Europeans, but its role in Asian populations needs further exploration. PMID- 29198992 TI - Cardiac troponin and adverse outcomes in atrial fibrillation: A meta-analysis. AB - BACKGROUND: The prognostic value of cardiac troponin elevation in atrial fibrillation (AF) is unclear. OBJECTIVE: To investigate the association of cardiac troponin elevation with adverse outcomes in AF by conducting a meta analysis. METHODS: We systematically searched the PubMed and Embase databases until April 2017 for studies assessing the association of cardiac troponin-T (cTnT) or troponin-I (cTnI) elevation with adverse outcomes in AF. The outcome measures were all-cause mortality and major adverse cardiac events (MACEs: death, stroke, myocardial infarction, pulmonary embolism, major bleeding, or revascularization). RESULTS: Six studies involving 22,697 AF patients were identified. Meta-analysis showed that AF with elevated cardiac troponin was independently associated with increased risk of all-cause mortality (HR 2.04; 95% CI 1.56-2.67) and MACEs (HR 1.93; 95% CI 1.61-2.30). Furthermore, the prognostic value of cardiac troponin elevation was consistently found irrespective of method determination, type of troponin measured, sample size, and study quality subgroup. CONCLUSIONS: AF with cardiac troponin elevation was independently associated with increased risk of all-cause mortality and MACEs. Therefore, determination of troponin should be considered for risk stratification in AF. PMID- 29198993 TI - Cardiovascular benefits of combined interval training and post-exercise nutrition in type 2 diabetes. AB - AIM: The purpose of this study was to examine whether the combination of high intensity interval training (HIIT) and post-exercise protein supplementation would improve cardiovascular outcomes in individuals with T2D. METHODS: In a double-blind controlled trial, fifty-three adults with T2D (free of CVD and not on exogenous insulin) were randomized to 12weeks of cardio and resistance-based HIIT (4-10*1min at 90% maximal heart rate) with post-exercise milk, milk-protein, or placebo supplementation, thrice weekly. Before and after, carotid and femoral artery intima media thickness (IMT) and femoral flow profiles were assessed using high-resolution ultrasound. Central and peripheral arterial stiffness were assessed by pulse wave velocity (PWV), and resting and maximal heart rate rates were measured. RESULTS: After 12weeks of HIIT femoral IMT (Pre: 0.84+/-0.21mm vs. Post: 0.81+/-0.16mm, p=0.03), carotid-femoral PWV (Pre: 10.1+/-3.2m/s vs. Post: 8.6+/-1.8m/s, p<0.01) and resting heart rate (Pre: 70.4+/-10.8bpm vs. Post: 67.8+/-8.6 bpm, p=0.01) were all significantly lower. There were no differences between nutrition groups (all significant main effects of time) for all outcomes. CONCLUSION: HIIT reduces femoral IMT, arterial stiffness and resting heart rate in individuals with T2D. The addition of post-exercise milk or protein to HIIT did not have additive effects for improving cardiovascular outcomes in the present study. Taken together, HIIT alone may be an effective means to reduce the burden of cardiovascular complications in T2D. PMID- 29198995 TI - Challenges in defining, diagnosing, and treating diabetic gastroparesis. PMID- 29198994 TI - Dietary quality and markers of inflammation: No association in youth with type 1 diabetes. AB - BACKGROUND: Systemic inflammation is a key process underlying cardiovascular disease (CVD) development, and CVD risk is significantly elevated in persons with type 1 diabetes (T1D). Youth with T1D exhibit increased levels of inflammation. Studies in persons without diabetes suggest that dietary quality influences inflammation, yet little is known about dietary influences on inflammation in youth with T1D. METHODS: This study evaluated the association of four distinct dietary quality indices (Dietary Approaches to Stop Hypertension (DASH), Healthy Eating Index 2010 (HEI2010), modified KIDMED and Total Antioxidant Capacity (TAC)) with biomarkers of inflammation (C-reactive protein (CRP), fibrinogen and interleukin-6 (IL-6)) in a sample of 2520 youth with T1D participating in the SEARCH for Diabetes in Youth Study. RESULTS: Average diet quality was moderate to poor, with mean scores of 43 (DASH, range 0-80), 55 (HEI2010, range 0-100), 3.7 (mKIDMED, range 3-12) and 7237 (TAC). None of the four diet quality scores was associated with the selected biomarkers of inflammation in any analyses. Evaluation of a non-linear relationship or interactions with BMI or levels of glycemic control did not alter the findings. Replication of analyses using longitudinal data yielded consistent findings with our cross-sectional results. CONCLUSIONS: Biomarkers of inflammation in youth with T1D may not be directly influenced by dietary intake, at least at the levels of dietary quality observed here. More work is needed to understand what physiologic mechanisms specific to persons with T1D might inhibit the generally beneficial influence of high dietary quality on systemic inflammation observed in populations without diabetes. PMID- 29198996 TI - The relationship of health literacy to diabetes status differs by sex in older adults. AB - OBJECTIVE: Lower health literacy is associated with higher rates of mortality and chronic disease. It remains unclear whether health literacy is associated with diabetes and/or hyperglycemia in older adults, and if this relationship differs by sex. RESEARCH DESIGN AND METHODS: We performed a cross-sectional analysis of 2510 older adults in the Health, Aging and Body Composition (Health ABC) Study who had both a Rapid Estimate of Adult Literacy in Medicine (REALM) measurement and diabetes status available. Sex-stratified logistic regression models were used to analyze the relationship of health literacy categories (low, medium, and high) to diabetes status, adjusting for key covariates. Secondary analyses examined the relationship of health literacy to glycemic markers (A1C, fasting blood glucose). RESULTS: Among participants in the Health ABC cohort, 429 had diabetes. Mean age was 76years old and 45% were female. Men with diabetes more commonly had low health literacy levels than men without diabetes (10.1% versus 9.3%, p=0.02). Similar results were seen among women (14.7% versus 6.1%, p<0.01). In a model adjusting for age, race, income, education, BMI, smoking, and alcohol use, women with low versus high health literacy had a two-fold higher likelihood of diabetes (OR=2.2; 95% CI 1.1-4.3). No significant relationship was observed in men. Progressively lower categories of health literacy were associated with higher age-adjusted mean A1C and fasting blood glucose levels in women (both p for trend <0.01) but not men. CONCLUSIONS: In this large, ethnically diverse sample of community-dwelling older adults, lower health literacy level is related to a greater likelihood of diabetes and higher A1C and fasting blood glucose levels in women-but not in men-after adjusting for age, race, and other demographic and lifestyle factors. Future studies are needed to assess mechanisms underlying this relationship and if interventions to improve health literacy are effective in reducing the burden of diabetes, particularly in women. PMID- 29198997 TI - A Reanalysis of the RIVUR Trial Using a Risk Classification System. AB - PURPOSE: The RIVUR (Randomized Intervention for Children with Vesicoureteral Reflux) trial showed a 50% decrease in the risk of urinary tract infection recurrence in children with reflux receiving continuous antibiotic prophylaxis. We reanalyzed the RIVUR data with the purpose of using a risk classification system to identify children who are more likely to benefit from continuous antibiotic prophylaxis. MATERIALS AND METHODS: Data from 607 children enrolled in the RIVUR trial were obtained from the National Institute of Diabetes and Digestive and Kidney Diseases Central Repository and analyzed. We stratified these children into low and high risk categories. The proportion of children and risk of urinary tract infection recurrence in the stratified treatment groups were compared. RESULTS: Of the children 385 (63.9%) were stratified into the low risk and 217 (36.1%) into the high risk category. The proportions of children with urinary tract infection recurrence were not significantly different in the low risk category between the placebo and continuous antibiotic prophylaxis groups (p = 0.151), while urinary tract infection recurrence was significantly higher in the placebo group (31.5% vs 11.4%, p = 0.001) for high risk children. Furthermore, high risk children on placebo had a 3.7-fold increased risk of urinary tract infection recurrence during 2 years of followup compared to those on continuous antibiotic prophylaxis. CONCLUSIONS: Although the RIVUR trial concluded that children with vesicoureteral reflux benefit from continuous antibiotic prophylaxis, our reanalysis of the data demonstrates that high risk children benefit more, with a number needed to treat of 5 compared to 18 in low risk children. The clinical implications of these findings suggest a need to refine current indications for continuous antibiotic prophylaxis in children with reflux, supporting a shift toward a "selective" risk based approach for management. PMID- 29198998 TI - Surgical Approaches and Long-Term Outcomes in Adults with Complex Reoperative Hypospadias Repair. AB - PURPOSE: Patients with failed hypospadias repair are a challenging population for pediatric and reconstructive urologists. We describe our long-term outcomes and factors associated with complications of repeat hypospadias repair. MATERIALS AND METHODS: We retrospectively reviewed the records of 32 adult patients with a history of hypospadias repair who required subsequent urethroplasty between 2002 and 2012. Data on the presenting complaint, past medical and surgical history, demographic data, surgical approach, intraoperative findings and complications were collected and analyzed. RESULTS: Median patient age at urethroplasty was 32 years. Stricture of the penile urethra was the most common presentation. Urethroplasty was done in 30 patients as stricture treatment, 1 underwent perineal urethrostomy and 1 underwent diverticulectomy. Two-stage repair was performed in 90% of the men who underwent urethroplasty. The initial success rate was 83% in patients who underwent 1 or 2-stage urethroplasty. At a median followup of 9.5 years complications included 4 recurrent strictures and 1 fistula. Patient age, previous interventions, stricture length, hair present at the time of repair, the need to excise the urethral plate and the number of stages were not associated with complications or recurrence. If a graft was required, skin grafts were significantly associated with recurrence compared to buccal mucosa grafts. CONCLUSIONS: Excellent outcomes can be achieved using a 2 stage approach with replacement or augmentation of the urethral plate in adults with failed hypospadias repair. In our experience buccal mucosa appears to be associated with fewer complications and less stricture recurrence than skin grafts. PMID- 29198999 TI - Society for Fetal Urology Classification vs Urinary Tract Dilation Grading System for Prognostication in Prenatal Hydronephrosis: A Time to Resolution Analysis. AB - PURPOSE: The Urinary Tract Dilation grading system for prenatal hydronephrosis was introduced to address potential shortcomings of the Society for Fetal Urology classification. Hydronephrosis resolution is an important patient outcome and is frequently discussed during family counseling. We compared these 2 grading systems and their ability to predict time to hydronephrosis resolution. MATERIALS AND METHODS: We prospectively screened 855 patients with prenatal hydronephrosis due to ureteropelvic junction obstruction-like hydronephrosis, nonrefluxing primary megaureter or vesicoureteral reflux between 2009 and 2015. Of the patients 454 were excluded due to surgery, late referral, absence of postnatal dilatation or presence of other anomalies, resulting in 401 eligible patients (of whom 81% were male) to be included for analyses. Hydronephrosis grades collected at baseline and last followup were compared to identify resolution trends through time. Hydronephrosis resolution was defined as renal pelvis anteroposterior diameter 10 mm or less at last followup. Time to resolution was analyzed using Cox proportion regression. RESULTS: Of 401 patients 328 (82%) had resolution during a mean +/- SD followup of 24 +/- 18 months (maximum 107). Cumulative resolution rate at 3 years was 98% for Society for Fetal Urology grade I hydronephrosis, 87% for grade II, 76% for grade III and 57% for grade IV. The 3 year hydronephrosis resolution rate was 90% for Urinary Tract Dilation postnatal grade 1 (low risk), 81% for grade 2 (intermediate risk) and 71% for grade 3 (high risk). CONCLUSIONS: Patients with distinctive baseline hydronephrosis grades (classified by Society for Fetal Urology or Urinary Tract Dilation system) had significantly different resolution times for hydronephrosis (p <0.001). Counseling families regarding time to resolution of prenatal hydronephrosis should remain the same whether using Society for Fetal Urology or Urinary Tract Dilation grading system. PMID- 29199000 TI - Research Needs to Understand Self-Management of Lower Urinary Tract Symptoms: Summary of NIDDK Workshop. PMID- 29199001 TI - Microvascular complications in Nuuk, Greenland, among Greenlanders and non Greenlanders diagnosed with type 2 diabetes. AB - AIM: The objective of this study was to estimate and compare between Greenlanders and non-Greenlanders living in Nuuk the proportion of patients with type 2 diabetes with microvascular complications. METHODS: This study was performed as a cross-sectional register study based on information in the Electronic Medical Record (EMR). All patients diagnosed with type 2 diabetes and with permanent addresses in Nuuk were included. Patients born in Greenland were considered to be Greenlanders, while patients born outside Greenland were considered as non Greenlanders. Proportions of patients with retinopathy, microalbuminuria, nephropathy and neuropathy were estimated based on information from the EMR. RESULTS: A total of 393 patients (295 Greenlanders and 98 non-Greenlanders) were included. In total 83.0% of all patients have been screened for retinopathy, while 66.4% were screened for microalbuminuria and 64.6% for neuropathy within a two year period. The most frequent microvascular complication was neuropathy, which was observed among half (49.6%) of all patients followed by microalbuminuria (28.4%), retinopathy (10.7%) and nephropathy (7.3%). Retinopathy was observed among 21.4% of the non-Greenlanders compared to only 7.0% of the Greenlanders (p = .001). Microalbuminuria was also observed more frequently (p = .047) among non-Greenlanders (37.5%) than among Greenlanders (24.9%). CONCLUSION: Greenlanders seem to be less prone to especially retinopathy than are non Greenlanders. PMID- 29199002 TI - Divided consumption of late-night-dinner improves glucose excursions in young healthy women: A randomized cross-over clinical trial. AB - AIMS: Our aim was to explore the acute effect of the late-night-dinner and the divided-dinner on postprandial glucose levels in young healthy women. METHODS: Fourteen women (22.6 +/- 2.6 years, BMI 20.2 +/- 1.5 kg/m2: mean +/- SD) were randomly assigned to this crossover study. Each participant wore a continuous glucose monitor for 5 days and consumed identical test meals from the second to the fourth day at home. Each participant consumed the test meals of breakfast at 0800 h, lunch at 1300 h, and the half of the participants consumed dinner at 2100 h (D21) on the second day, 1800 h (D18) on the third day, and divided dinner (DD: vegetable and rice at 1800 h, and vegetable and the main dish at 2100 h) on the fourth day. The rest of the participants consumed DD on the second day, and D21 on the fourth day. RESULTS: D21 demonstrated higher incremental glucose peak (IGP 2.74 +/- 0.38 vs. 1.57 +/- 0.23 mmol/L, p < .05, mean +/- SEM) and incremental area under the curve for glucose (IAUC) 2300-0800 h (271 +/- 63 vs. 111 +/- 37 mmol/L * min, p < .05) than D18. On the other hand, DD ameliorated IGP (1.96 +/- 0.29 mmol/L, p < .05), IAUC 2300-0800 h (80 +/- 29 mmol/L * min, p < .001), and the mean amplitude of glycemic excursion (DD 2.34 +/- 0.25 vs. D21 2.91 +/- 0.28 mmol/L, p < .05) than D21. CONCLUSIONS: Consuming late-night-dinner increased postprandial glucose levels, compared to DD, suggesting DD could be a practical strategy for reduction of postprandial glucose levels in young healthy women. PMID- 29199003 TI - Implications of circulating Meteorin-like (Metrnl) level in human subjects with type 2 diabetes. AB - AIMS: Meteorin-like (Metrnl) was recently identified as a novel adipomyokine induced by exercise and cold exposure. Metrnl improves glucose tolerance, increases systemic energy expenditure, induces white adipose browning, and promotes anti-inflammatory gene programs in obese/diabetic mice. However, the relationship of Metrnl with diabetes and cardiometabolic risk variables in humans has not been explored. METHODS: In 800 subjects (400 patients with type 2 diabetes and 400 non-diabetes), Metrnl concentration was measured with an enzyme linked immunosorbent assay, and the correlations of Metrnl level with anthropometric parameters, lifestyle factors, body composition values, and laboratory measurements were assessed. RESULTS: Metrnl concentration was significantly higher in patients with diabetes than in those without diabetes [median (inter-quartile range); diabetes: 1219.9 (1020.6, 1535.6), non-diabetes: 1131.2 (993.1, 1313.6) pg/ml, P < .001]. After adjustment for age and sex, Metrnl level was significantly associated with fasting plasma glucose, blood pressure, lipid profile, and eGFR, but not with BMI or percent body fat. Multiple stepwise regression analysis exhibited that Metrnl level was independently associated with diabetes status (P < .001), eGFR (P < .001), and total cholesterol (P = .026) (R2 = 0.127). In multiple logistic regression analysis, the odds ratio for the risk of diabetes was 3.53 (95% confidence interval: 2.04-6.10) in the highest tertile of Metrnl compared to the lowest after adjustment for confounding factors. CONCLUSIONS: This study is the first to demonstrate that Metrnl level is elevated in human subjects with type 2 diabetes and is inversely related to various cardiometabolic risk factors, including renal function. PMID- 29199004 TI - Dicer reprograms stromal fibroblasts to a pro-inflammatory and tumor-promoting phenotype in ovarian cancer. AB - Inflammation and host stromal activation contribute significantly to ovarian cancer (OC) initiation and malignant progression. However, the complex reciprocal interactions between them are largely unknown. Here, we discovered that the tumor suppressor gene Dicer was paradoxically overexpressed in ovarian tumor stroma, and induced fibroblast activation and stromal inflammation. Dicer transformed normal fibroblasts to a carcinoma-associated fibroblast (CAF)-like state, which was morphologically spread out and functionally activated to fuel tumor invasion and metastasis. Attenuation of Dicer hampered CAF characteristics, diminished stromal inflammation and the role of fibroblasts in supporting tumor growth. Moreover, Dicer drove the expression of an "inflammatory signature" in fibroblasts that could be used to discriminate normal and cancerous stroma and predict the survival of patients with OC. Finally, the nuclear factor kappa B (NFkappaB) signaling was demonstrated to be responsible for Dicer effect on fibroblast activation and stromal inflammation, through microRNA (miR)-6780b. Our study represents the first report that characterizes Dicer expression and function in the tumor stroma, and highlights its pro-metastatic role in this context. Additionally, we suggest that the Dicer-miR6780b-NFkappaB cascade is an attractive target of choice in stroma-oriented OC therapy. PMID- 29199005 TI - Ginsenoside Rg3 sensitizes hypoxic lung cancer cells to cisplatin via blocking of NF-kappaB mediated epithelial-mesenchymal transition and stemness. AB - Cisplatin is a first line chemotherapy in lung cancer, but decreased susceptibility may limit its application. In solid tumors, hypoxia alters the microenvironment and is associated with proliferation, metastasis, and drug sensitivity. The hypoxia-induced desensitization of cisplatin is not clearly elucidated. 20 (R)-Ginsenoside (Rg3), the traditional Chinese medicine, is extracted from ginseng and has antitumor activities. In this study, we evaluated if Rg3 is effective in improving cisplatin sensitivity by blocking hypoxia. We found that the inhibition of proliferation potential by cisplatin was reduced in cobalt chloride (CoCl2)-induced hypoxia in lung cancer cells. Hypoxia caused alterations in epithelial-mesenchymal transition (EMT), which were detected by cellular morphology and EMT protein markers, and in stemness analyzed by spheroid formation and marker molecules. Hypoxia also activated EMT, which was mediated by the nuclear factor kappaB (NF-kappaB) pathway, and stemness, and Rg3 inhibited the activation of the NF-kappaB pathway. Furthermore, Rg3 could increase the sensitivity to cisplatin by inhibiting EMT and stemness in hypoxic lung cancer cells, and this effect was confirmed in vivo. In conclusion, Rg3 may improve the sensitivity of cisplatin in lung cancer therapy. PMID- 29199007 TI - Can pulpal floor debonding be detected from occlusal surface displacement in composite restorations? AB - OBJECTIVES: Polymerization shrinkage of resin composite restorations can cause debonding at the tooth-restoration interface. Theory based on the mechanics of materials predicts that debonding at the pulpal floor would half the shrinkage displacement at the occlusal surface. The aim of this study is to test this theory and to examine the possibility of detecting subsurface resin composite restoration debonding by measuring the superficial shrinkage displacements. METHODS: A commercial dental resin composite with linear shrinkage strain of 0.8% was used to restore 2 groups of 5 model Class-II cavities (8-mm long, 4-mm wide and 4-mm deep) in aluminum blocks (8-mm thick, 10-mm wide and 14-mm tall). Group I had the restorations bonded to all cavity surfaces, while Group II had the restorations not bonded to the cavity floor to simulate debonding. One of the proximal surfaces of each specimen was sprayed with fine carbon powder to allow surface displacement measurement by Digital Image Correlation. Images of the speckled surface were taken before and after cure for displacement calculation. The experiment was simulated using finite element analysis (FEA) for comparison. RESULTS: Group I showed a maximum occlusal displacement of 34.7+/-6.7MUm and a center of contraction (COC) near the pulpal floor. Group II had a COC coinciding with the geometric center and showed a maximum occlusal displacement of 17.4+/ 3.8MUm. The difference between the two groups was statistically significant (p value=0.0007). Similar results were obtained by FEA. The theoretical shrinkage displacement was 44.6 and 22.3MUm for Group I and II, respectively. The lower experimental displacements were probably caused by slumping of the resin composite before cure and deformation of the adhesive layer. SIGNIFICANCE: The results confirmed that the occlusal shrinkage displacement of a resin composite restoration was reduced significantly by pulpal floor debonding. Recent in vitro studies seem to indicate that this reduction in shrinkage displacement could be detected by using the most accurate intraoral scanners currently available. Thus, subject to clinical validation, the occlusal displacement of a resin composite restoration may be used to assess its interfacial integrity. PMID- 29199006 TI - LB-100, a novel Protein Phosphatase 2A (PP2A) inhibitor, sensitizes malignant meningioma cells to the therapeutic effects of radiation. AB - Atypical and anaplastic meningiomas (AAM) represent 20% of all meningiomas. They are associated with poor outcomes due to their tendency to recur. While surgery and radiation (RT) are first line therapy, no effective systemic medical treatment has been identified. Protein phosphatase 2A (PP2A) is a ubiquitously expressed serine/threonine phosphatase involved in cell cycle regulation and DNA repair. Here, we examined radiosensitizing effects of LB-100, a novel inhibitor of PP2A against AAM as a novel treatment strategy. Three human-derived immortalized meningioma cell lines, IOMM-LEE, GAR, and CH-157, were used to investigate the radio-sensitizing potential of LB-100 in AAM. Survival fraction by clonogenic assay, immunofluorescence, cell cycle analysis and protein expression were evaluated in vitro. The antitumor effects of combining LB-100 with RT were verified in vivo by using intracranial orthotopic xenograft mouse model. Pharmacologic PP2A inhibition with LB-100 prior to RT enhanced the radiosensitivity of meningioma cells and reduced survival fraction in clonogenic assays. LB-100 increased DNA double-strand breakage (measured by gamma-H2AX), mitotic catastrophe cell death, and G2/M cell cycle arrest in irradiated meningioma cells. Also, LB-100 decreased activation of STAT3 and expression of its downstream proteins. In vivo, LB-100 and RT combined treatment prolonged the survival of mice with xenografts compared to RT alone. Taken together, these results provide convincing preclinical data to support the use of LB-100 as a radiosensitizing agent for treatment of malignant meningioma. Its potential for clinical application deserves further investigation. PMID- 29199008 TI - Photopolymerization of cell-laden gelatin methacryloyl hydrogels using a dental curing light for regenerative dentistry. AB - : Photopolymerized hydrogels, such as gelatin methacryloyl (GelMA), have desirable biological and mechanical characteristics for a range of tissue engineering applications. OBJECTIVE: This study aimed to optimize a new method to photopolymerize GelMA using a dental curing light (DL). METHODS: Lithium acylphosphinate photo-initiator (LAP, 0.05, 0.067, 0.1% w/v) was evaluated for its ability to polymerize GelMA hydrogel precursors (10% w/v) encapsulated with odontoblast-like cells (OD21). Different irradiances (1650, 2300 and 3700mW/cm2) and photo-curing times (5-20s) were tested, and compared against the parameters typically used in UV light photopolymerization (45mW/cm2, 0.1% w/v Irgacure 2959 as photoinitiator). Physical and mechanical properties of the photopolymerized GelMA hydrogels were determined. Cell viability was assessed using a live and dead assay kit. RESULTS: Comparing DL and UV polymerization methods, the DL method photopolymerized GelMA precursor faster and presented larger pore size than the UV polymerization method. The live and dead assay showed more than 80% of cells were viable when hydrogels were photopolymerized with the different DL irradiances. However, the cell viability decreased when the exposure time was increased to 20s using the 1650mW/cm2 intensity, and when the LAP concentration was increased from 0.05 to 0.1%. Both DL and UV photocrosslinked hydrogels supported a high percentage of cell viability and enabled fabrication of micropatterns using a photolithography microfabrication technique. SIGNIFICANCE: The proposed method to photopolymerize GelMA cell-laden hydrogels using a dental curing light is effective and represents an important step towards the establishment of chair-side procedures in regenerative dentistry. PMID- 29199009 TI - Characterization, mechanistic analysis and improving the properties of denture adhesives. AB - OBJECTIVE: Denture adhesives are widely used to avoid the detachment and sliding of dentures. However, the adhesion properties can be affected by variation in mouth conditions such as the level of salivation. The objective of this study was to understand the effect of environmental conditions on the adhesion properties of a commercially available denture adhesive named as Poligrip(r) Free manufactured by GlaxoSmithKline Ltd., UK and to identify the reasons for the observed variation in its adhesion strength. METHODS: The failure mechanisms of denture adhesive have been assessed through using different physical, mechanical and thermal characterization experiments. All methods were used in different pH, temperatures, and salivation conditions and at the end, a strategy was proposed to overcome the failure of the paste in hyposalivation as well. RESULTS: In vitro models mimicking the denture gingival interface were designed to evaluate the adhesion properties of the investigated adhesive. Changes in the adhesion strength in response to three major factors related to the oral conditions including level of salivation, pH, and temperature were measured. The results of lap shear, tensile test, and internal interactions suggested a cohesion failure, where the lowest adhesion strength was due to hyposalivation. Fourier transform infrared spectroscopy (FTIR) and rheological analysis confirmed the importance of hydrogen bonds and hydration in the adhesion strength of the paste. SIGNIFICANCE: The investigated scenarios are widely observed in patient using denture adhesives and the clinical reports have indicated the inconsistency in adhesion strength of the commercial products. After identifying the potential reasons for such behavior, methods such as the addition of tripropylene glycol methyl ether (TPME) to enhance internal hydrogen bonds between the polymers are proposed to improve adhesion in the hyposalivation scenario. PMID- 29199010 TI - Efficacy and Safety of Low-Dose Iodine Plaque Brachytherapy for Juxtapapillary Choroidal Melanoma. AB - PURPOSE: To evaluate low- vs high-dose plaque brachytherapy for juxtapapillary choroidal melanoma. DESIGN: Retrospective interventional case series. METHODS: Setting: Single institution. STUDY POPULATION: Forty-seven patients with juxtapapillary choroidal melanoma. INTERVENTION: Iodine-125 plaque brachytherapy. Eyes were divided into apex low-dose (LD) and high-dose (HD) groups (<= or > median apex dose 84.35 Gy). Main outcome measures were time to distant failure, local failure, death, enucleation, radiation retinopathy, optic neuropathy, and best-corrected visual acuity (BCVA). RESULTS: Freedom from distant failure rates were 96% and 95% in apex LD and HD groups at 5 years and 77% and 95% at 10 years, respectively (P = .84). Freedom from local failure rates were 90% in the apex LD group vs 89% in the HD group at 5 and 10 years (P = .96). Apex LD and HD groups did not differ for time to death or enucleation. Five- and 10-year freedom from radiation retinopathy and optic neuropathy rates were higher in the apex LD than HD group. Loss of >=3 BCVA lines, final BCVA 20/40 or better, and final BCVA 20/200 or worse were more favorable in the 5 mm LD compared to HD group. Visual acuity outcomes did not differ between apex LD and HD groups. CONCLUSIONS: Low dose iodine-125 plaque brachytherapy (67.5-81 Gy at tumor apex) provides safe and effective tumor control for juxtapapillary choroidal melanoma and may be associated with reduced radiation toxicity. Larger trials are needed to determine the optimal therapeutic dose for juxtapapillary choroidal melanoma. PMID- 29199011 TI - Long-term Outcome of Second Ahmed Valves in Adult Glaucoma. AB - PURPOSE: To evaluate the long-term outcomes of second Ahmed glaucoma valve (AGV) implants in eyes with glaucoma. DESIGN: Retrospective interventional case series. METHODS: Patients with sequential second Ahmed valves implanted in the same eye from 1994 to 2016 were included. Success was defined with 3 criteria: (1) intraocular pressure (IOP) <= 21 mm Hg and IOP reduction of 20%; (2) IOP <= 18 mm Hg and IOP reduction of 25%; and (3) IOP <=15 mm Hg and IOP reduction of 30%. The primary analysis was the 5-year Kaplan-Meier survival rate for each criterion. Failure was established when the success criterion was not met at 2 consecutive visits at least 3 months after the surgery. Loss of light perception, requirement for additional glaucoma surgery, hypotony maculopathy, and serious complications were also considered failures. RESULTS: One hundred ten eyes from 104 patients were included with a mean follow-up of 5.0 years (interquartile range [IQR] 1.6 7.33 years). The median (IQR) age at the second AGV was 68.0 (53.5-77.9) years. The median (IQR) time between surgeries was 2.1 (0.7-4.0) years. The 5-year Kaplan-Meier survival rates were 57%, 51%, and 30% for criteria 1, 2, and 3, respectively. CONCLUSION: A second AGV is effective in reducing IOP in patients who require additional IOP lowering after a first AGV. The success rates are comparable to primary AGV implantation, and to trabeculectomy in eyes with a previously implanted glaucoma drainage device. A second AGV is a viable option in eyes with inadequate IOP levels after a primary AGV. PMID- 29199012 TI - Choroidal Changes After Suprachoroidal Injection of Triamcinolone Acetonide in Eyes With Macular Edema Secondary to Retinal Vein Occlusion. AB - PURPOSE: To evaluate choroidal and suprachoroidal changes following suprachoroidal injection of triamcinolone acetonide injectable suspension (CLS TA), in eyes with macular edema due to retinal vein occlusion (RVO). DESIGN: Prospective cohort study within a randomized, controlled phase 2 clinical trial. METHODS: Enhanced depth imaging optical coherence tomography (EDI-OCT) images were analyzed from 38 eyes of 38 treatment-naive patients with macular edema due to RVO, enrolled in the prospective Suprachoroidal Injection of Triamcinolone Acetonide with Intravitreal Aflibercept in Subjects with Macular Edema Due to Retinal Vein Occlusion (TANZANITE) study who received either a suprachoroidal injection of CLS-TA with an intravitreal injection of aflibercept (combination arm) or only an intravitreal injection of aflibercept (monotherapy arm), followed by monthly intravitreal aflibercept injections in both arms based on pro re nata criteria. RESULTS: Macular choroidal thickness measured to the outer choroidal vessel lumen (vascular choroidal thickness, VCT), outer choroid stroma (stromal choroidal thickness, SCT), or inner scleral border (total choroidal thickness, TCT) showed no significant changes over 3 months in both study arms (P = .231 .342). Eyes that received combination therapy showed a trend toward thickening of the suprachoroidal space (SCS) compared with monotherapy alone (13.4 MUm vs 5.3 MUm at 3 months; P = .077). In the 15 eyes that demonstrated a visible SCS at baseline, the SCS expanded significantly after suprachoroidal CLS-TA injection (16.2 MUm to 27.8 MUm at 3 months; P = .033). CONCLUSIONS: Suprachoroidal injection of CLS-TA does not alter choroidal thickness in eyes with macular edema due to RVO, but may result in expansion of the SCS. PMID- 29199013 TI - Two Phase 3 Clinical Trials Comparing the Safety and Efficacy of Netarsudil to Timolol in Patients With Elevated Intraocular Pressure: Rho Kinase Elevated IOP Treatment Trial 1 and 2 (ROCKET-1 and ROCKET-2). AB - PURPOSE: To evaluate the efficacy and ocular and systemic safety of netarsudil 0.02% ophthalmic solution, a rho-kinase inhibitor and norepinephrine transporter inhibitor, in patients with open-angle glaucoma and ocular hypertension. DESIGN: Double-masked, randomized noninferiority clinical trials: Rho Kinase Elevated IOP Treatment Trial 1 and 2 (ROCKET-1 and ROCKET-2). METHODS: After a washout of all pre-study ocular hypotensive medications, eligible patients were randomized to receive netarsudil 0.02% once daily (q.d.), timolol 0.5% twice a day (b.i.d.), and (ROCKET-2 only) netarsudil 0.02% b.i.d. Data through 3 months from both studies are provided in this report. RESULTS: Enrolled into the 2 studies were 1167 patients. Treatment with netarsudil q.d. produced clinically and statistically significant reductions from baseline intraocular pressure (P < .001), and was noninferior to timolol in the per-protocol population with maximum baseline IOP < 25 mm Hg in both studies (ROCKET-2, primary outcome measure and population, ROCKET-1, post hoc outcome measure). Netarsudil b.i.d. was also noninferior to timolol (ROCKET-2). The most frequent adverse event was conjunctival hyperemia, the incidence of which ranged from 50% (126/251, ROCKET 2) to 53% (108/203, ROCKET-1) for netarsudil q.d., 59% (149/253, ROCKET-2) for netarsudil b.i.d., and 8% (17/208, ROCKET-1) to 11% (27/251, ROCKET-2) for timolol (P < .0001 for netarsudil vs timolol). CONCLUSIONS: In 2 large, randomized, double-masked trials reported here, once-daily dosing of netarsudil 0.02% was found to be effective and well tolerated for the treatment of patients with ocular hypertension and open-angle glaucoma. The novel pharmacology and aqueous humor dynamic effects of this molecule suggest it may be a useful addition to the armamentarium of ocular hypotensive medications. PMID- 29199015 TI - Contemporary prognostic indicators for prostate cancer incorporating International Society of Urological Pathology recommendations. AB - Prognostic assessment is a key element in the management of patients with prostate cancer as it informs both treatment, follow-up and outcome prediction. Tumour grade should be based upon the novel and evidence-based recommendations of the International Society of Urological Pathology (ISUP) Consensus Conference of 2014, with ISUP grades 1-5 being derived from 2005 ISUP modified Gleason grading, i.e., ISUP grade 1 (3 + 3 = 6), grade 2 (3 + 4 = 7), grade 3 (4 + 3 = 7), grade 4 (3 + 5 = 8, 5 + 3 = 8, 4 + 4 = 8), and grade 5 (4 + 5 = 9 5 + 4 = 9, 5 + 5 = 10). Reporting the percentage of pattern 4 present is somewhat controversial. It does appear to have value for cases of ISUP grade 2 tumours where only small volumes of pattern 4 tumour are present, as this may assist in determining if a patient is appropriate for active surveillance. It is currently recommended that pure intraductal carcinoma (IDCP) not be graded. Here we here propose that atypical intraductal proliferation, indeterminate for high-grade prostatic intraepithelial neoplasia (PIN) and IDCP, should be reported as atypical proliferation suspicious for IDCP (ASID) with a note that the lesion is non-diagnostic. Pathological staging is dependent on tumour spread with the key factors being tumour volume, tumour extent including extraprostatic extension (focal and established), as well as seminal vesicle and pelvic lymph node involvement. Perineural infiltration in needle biopsies and lymphovascular invasion are evolving parameters that should be included in the pathology report. The identification of prognostic biomarkers is in evolution although a variety of transcription signatures have been shown to have utility in outcome assessment. Other molecular markers showing promise as prognostic indicators are PTEN, androgen receptors, PARP and tumour promoter (GST pi, RASSF1, PITX2) methylation. PMID- 29199014 TI - MicroRNA regulation of K-Ras in pancreatic cancer and opportunities for therapeutic intervention. AB - The Ras family of GTPases is involved in cell proliferation, cell survival, and angiogenesis. It is upregulated in several cancers, including pancreatic cancer (PC) and leads to uncontrolled growth and aggressiveness. PC is well known to be a lethal disease with poor prognosis, plagued by limited therapeutic modalities. MicroRNAs (miRNAs), which are short non-coding RNA molecules, have recently emerged as regulators of signaling networks and have shown potential to target pathway components for therapeutic use in several malignancies. K-Ras mutations are widespread in PC cases (90%), with mutations detectable as early as pancreatic intraepithelial neoplasias and in later metastatic stages alike; therefore, these mutations in K-Ras are obvious drivers and potential targets for PC therapy. Several K-Ras targeting miRNAs have lately been discovered, and many of them have shown promise in combating pancreatic tumor growth in vitro and in mouse models. However, the field of miRNA therapy is still in its infancy, and miRNA mimics or anti-miRNA oligonucleotides that target Ras pathway have thus far not been evaluated in PC patients. In this review, we summarize the role of several miRNAs that regulate oncogenic K-Ras signaling in PC, with their prospective roles as therapeutic agents for targeting K-Ras pathway. PMID- 29199016 TI - Microvascular disease during pregnancy in type 1 diabetes is associated with ambulatory arterial stiffness. AB - OBJECTIVES: The objective of this study was to evaluate the association between the ambulatory arterial stiffness index (AASI) and markers of microvascular disease during pregnancy in women with type 1 diabetes. STUDY DESIGN: A total of 151 women with type 1 diabetes mellitus were recruited for repeat 24-h BP recordings thrice during pregnancy and once three months post partum. Fifty women without diabetes served as controls. The AASI and pulse pressure (PP) were computed from blood pressure recordings. Repeated measures analysis of variance was used for comparison between groups during and after pregnancy. Linear regression analysis was performed with AASI and PP as dependent variables and albuminuria and retinopathy as independent variables. MAIN OUTCOME MEASURES: AASI during diabetic pregnancy and association with microvascular disease. RESULTS: Micro- or macroalbuminuria was present in 23% of the women and 58% had either simplex or proliferative retinopathy. The AASI was inversely associated with the coefficient of determination, which means that the stiffer vascular wall the more random variability in BP. CONCLUSION: AASI showed a strong association with microvascular disease during pregnancy in women with type 1 diabetes. Together with the flattened circadian rhythm this indicates a pregnancy-related functional change in the vascular bed. PMID- 29199017 TI - Linear Integration of ERK Activity Predominates over Persistence Detection in Fra 1 Regulation. AB - ERK signaling regulates the expression of target genes, but it is unclear how ERK activity dynamics are interpreted. Here, we investigate this question using simultaneous, live, single-cell imaging of two ERK activity reporters and expression of Fra-1, a target gene controlling epithelial cell identity. We find that Fra-1 is expressed in proportion to the amplitude and duration of ERK activity. In contrast to previous "persistence detector" and "selective filter" models in which Fra-1 expression only occurs when ERK activity persists beyond a threshold duration, our observations demonstrate that the network regulating Fra 1 expression integrates total ERK activity and responds to it linearly. However, exploration of a generalized mathematical model of the Fra-1 coherent feedforward loop demonstrates that it can perform either linear integration or persistence detection, depending on the basal mRNA production rate and protein production delays. Our data indicate that significant basal expression and short delays cause Fra-1 to respond linearly to integrated ERK activity. PMID- 29199018 TI - Chemical Crosslinking Mass Spectrometry Analysis of Protein Conformations and Supercomplexes in Heart Tissue. AB - While modern structural biology technologies have greatly expanded the size and type of protein complexes that can now be studied, the ability to derive large scale structural information on proteins and complexes as they exist within tissues is practically nonexistent. Here, we demonstrate the application of crosslinking mass spectrometry to identify protein structural features and interactions in tissue samples, providing systems structural biology insight into protein complexes as they exist in the mouse heart. This includes insights into multiple conformational states of sarcomere proteins, as well as interactions among OXPHOS complexes indicative of supercomplex assembly. The extension of crosslinking mass spectrometry analysis into the realm of tissues opens the door to increasing our understanding of protein structures and interactions within the context of the greater biological system. PMID- 29199019 TI - Widespread Rewiring of Genetic Networks upon Cancer Signaling Pathway Activation. AB - Cellular signaling networks coordinate physiological processes in all multicellular organisms. Within networks, modules switch their function to control signaling activity in response to the cellular context. However, systematic approaches to map the interplay of such modules have been lacking. Here, we generated a context-dependent genetic interaction network of a metazoan's signaling pathway. Using Wnt signaling in Drosophila as a model, we measured >290,000 double perturbations of the pathway in a baseline state, after activation by Wnt ligand or after loss of the tumor suppressor APC. We found that genetic interactions within the Wnt network globally rewired after pathway activation. We derived between-state networks that showed how genes changed their function between state-specific networks. This related pathway inhibitors across states and identified genes required for pathway activation. For instance, we predicted and confirmed the ER-resident protein Catsup to be required for ligand mediated Wnt signaling activation. Together, state-dependent and between-state genetic interaction networks identify responsive functional modules that control cellular pathways. PMID- 29199021 TI - An Integrated Systems Genetics and Omics Toolkit to Probe Gene Function. AB - Identifying genetic and environmental factors that impact complex traits and common diseases is a high biomedical priority. Here, we developed, validated, and implemented a series of multi-layered systems approaches, including (expression based) phenome-wide association, transcriptome-/proteome-wide association, and (reverse-) mediation analysis, in an open-access web server (systems genetics.org) to expedite the systems dissection of gene function. We applied these approaches to multi-omics datasets from the BXD mouse genetic reference population, and identified and validated associations between genes and clinical and molecular phenotypes, including previously unreported links between Rpl26 and body weight, and Cpt1a and lipid metabolism. Furthermore, through mediation and reverse-mediation analysis we established regulatory relations between genes, such as the co-regulation of BCKDHA and BCKDHB protein levels, and identified targets of transcription factors E2F6, ZFP277, and ZKSCAN1. Our multifaceted toolkit enabled the identification of gene-gene and gene-phenotype links that are robust and that translate well across populations and species, and can be universally applied to any populations with multi-omics datasets. PMID- 29199022 TI - CTCF-Mediated Chromatin Loops between Promoter and Gene Body Regulate Alternative Splicing across Individuals. AB - The CCCTC-binding factor (CTCF) is known to establish long-range DNA contacts that alter the three-dimensional architecture of chromatin, but how the presence of CTCF influences nearby gene expression is still poorly understood. Here, we analyze CTCF chromatin immunoprecipitation sequencing, RNA sequencing, and Hi-C data, together with genotypes from a healthy human cohort, and measure statistical associations between inter-individual variability in CTCF binding and alternative exon usage. We demonstrate that CTCF-mediated chromatin loops between promoters and intragenic regions are prevalent and that when exons are in physical proximity with their promoters, CTCF binding correlates with exon inclusion in spliced mRNA. Genome-wide, CTCF-bound exons are enriched for genes involved in signaling and cellular stress-response pathways. Structural analysis of three specific examples, checkpoint kinase 2 (CHK2), CDC-like kinase 3 (CLK3), and euchromatic histone-lysine N-methyltransferase (EHMT1), suggests that CTCF mediated exon inclusion is likely to downregulate enzyme activity by disrupting annotated protein domains. In total, our study suggests that alternative exon usage is regulated by CTCF-dependent chromatin structure. PMID- 29199023 TI - The Current Status and Future Role of the Phosphoinositide 3 Kinase/AKT Signaling Pathway in Urothelial Cancer: An Old Pathway in the New Immunotherapy Era. AB - The phosphoinositide 3 kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway is a well studied signaling pathway that regulates diverse cellular functions including proliferation, metabolism, and transcription. Aberrant activation of this pathway has been implicated in multiple cancers. Genomic studies have shown that activating mutations in oncogenes as well as inactivating mutations in tumor suppressor genes are present across a variety of malignancies, including urothelial carcinoma. In bladder cancer, up to 40% of tumors exhibit constitutive activation of the PI3K/AKT/mTOR pathway. Current treatments for non-muscle-invasive disease confer a 5-year cancer-specific survival rate as high as 90%. However, patients with muscle invasive, recurrent, or metastatic disease have a poor prognosis. Although the introduction of immune checkpoint inhibitors is certainly changing the therapeutic landscape and is a great addition to the platinum-based therapy that was the standard of care for the past 3 decades, it is anticipated that a great number of patients would fail to respond or their disease would progress with either chemotherapy or immunotherapy. Therefore, the use of agents that target members of the PI3K/AKT/mTOR pathway represent an attractive, alternative therapeutic strategy for patients with advanced urothelial carcinoma. In this review we describe the pathway, with a focus on the rationale for targeting the PI3K/AKT/mTOR pathway in patients with advanced urothelial carcinoma and considers the challenges that we face from the current clinical trials. Novel agents such as PI3K inhibitors and microRNA inhibitors that target this pathway might lead to durable responses especially when used in combination with chemotherapy or immune checkpoint inhibitors, however, toxicity remains an obstacle. Finally, in this review we discuss the importance of developing biomarkers to help select appropriate patients and identify optimal treatment options. PMID- 29199024 TI - The Current State of Predicting Response on Bacillus Calmette-Guerin Treatment for Nonmuscle Invasive Bladder Cancer is Not Yet Useful for Patients but Attributes to Understanding Its Mechanisms of Action. PMID- 29199025 TI - Port-site Metastases After Robot-assisted Radical Cystectomy: Is There a Publication Bias? PMID- 29199026 TI - Citation for the 2016 BAOMS Surgery Prize - Kathleen Fan. PMID- 29199027 TI - 10 patients, 10 years - Long term follow-up of cardiovascular risk factors in Glut1 deficiency treated with ketogenic diet therapies: A prospective, multicenter case series. AB - BACKGROUND AND AIMS: Glut1 Deficiency (Glut1D) is caused by impaired glucose transport into brain. The resulting epileptic encephalopathy and movement disorders can be treated effectively by high-fat carbohydrate-restricted ketogenic diet therapies (KDT) mimicking fasting and providing ketones as an alternative cerebral fuel. Recently 6-24 months follow-ups of epileptic patients reported elevated blood lipids and intima thickening of the carotid artery raising concerns about potential cardiovascular risks by KDT. To clarify potential cardiovascular risks we performed a prospective 10 year follow up of 10 Glut1D patients. METHODS: Between August 2001 and January 2016 we enrolled Glut1D patients on KDT at two hospitals in Germany in this prospective, multicenter case series. The minimal follow up was 10 years. Standard deviation scores (SDS) of body mass index (BMI), total cholesterol (TC), HDL-/LDL cholesterol, and triglycerides (TG) before initiation of KDT were compared with respective values at 6 months, 2, 5 years, and 10 years after initiation. After 10 years on KDT cardiovascular risk, assessed by BMI, carotid intima-media thickness (CIMT) measurement, and blood pressure, was compared to a healthy reference population (n = 550). RESULTS: Baseline and 10 year follow-up investigations were available for 10 individuals with Glut1D on KDT. After two years on KDT BMI increased significantly, while total cholesterol, HDL-cholesterol, and LDL-cholesterol decreased. Within 3-5 years on KDT these differences disappeared, and after 10 years blood lipid parameters reflected the situation at initiation of KDT. Prior to KDT one child had dyslipidaemia, but no child after 10 years on KDT. No significant differences were observed with respect to BMI SDS (p = 0.26), CIMT (p = 0.63) or systolic and diastolic blood pressure (SDS p = 0.11 and p = 0.37, respectively) in Glut1D children treated with KDT for at least 10 years compared to healthy controls. CONCLUSIONS: In contrast to previous short-term reports on adverse effects of KDT, 10-year follow-up did not identify cardiovascular risks of dietary treatment for Glut1D. PMID- 29199020 TI - The Library of Integrated Network-Based Cellular Signatures NIH Program: System Level Cataloging of Human Cells Response to Perturbations. AB - The Library of Integrated Network-Based Cellular Signatures (LINCS) is an NIH Common Fund program that catalogs how human cells globally respond to chemical, genetic, and disease perturbations. Resources generated by LINCS include experimental and computational methods, visualization tools, molecular and imaging data, and signatures. By assembling an integrated picture of the range of responses of human cells exposed to many perturbations, the LINCS program aims to better understand human disease and to advance the development of new therapies. Perturbations under study include drugs, genetic perturbations, tissue micro environments, antibodies, and disease-causing mutations. Responses to perturbations are measured by transcript profiling, mass spectrometry, cell imaging, and biochemical methods, among other assays. The LINCS program focuses on cellular physiology shared among tissues and cell types relevant to an array of diseases, including cancer, heart disease, and neurodegenerative disorders. This Perspective describes LINCS technologies, datasets, tools, and approaches to data accessibility and reusability. PMID- 29199029 TI - The effect of customization and use of a fetal growth standard on the association between birthweight percentile and adverse perinatal outcome. AB - BACKGROUND: It has been proposed that correction of offspring weight percentiles (customization) might improve the prediction of adverse pregnancy outcome; however, the approach is not accepted universally. A complication in the interpretation of the data is that the main method for calculation of customized percentiles uses a fetal growth standard, and multiple analyses have compared the results with birthweight-based standards. OBJECTIVES: First, we aimed to determine whether women who deliver small-for-gestational-age infants using a customized standard differed from other women. Second, we aimed to compare the association between birthweight percentile and adverse outcome using 3 different methods for percentile calculation: (1) a noncustomized actual birthweight standard, (2) a noncustomized fetal growth standard, and (3) a fully customized fetal growth standard. STUDY DESIGN: We analyzed data from the Pregnancy Outcome Prediction study, a prospective cohort study of nulliparous women who delivered in Cambridge, UK, between 2008 and 2013. We used a composite adverse outcome, namely, perinatal morbidity or preeclampsia. Receiver operating characteristic curve analysis was used to compare the 3 methods of calculating birthweight percentiles in relation to the composite adverse outcome. RESULTS: We confirmed previous observations that delivering an infant who was small for gestational age (<10th percentile) with the use of a fully customized fetal growth standard but who was appropriate for gestational age with the use of a noncustomized actual birthweight standard was associated with higher rates of adverse outcomes. However, we also observed that the mothers of these infants were 3-4 times more likely to be obese and to deliver preterm. When we compared the risk of adverse outcome from logistic regression models that were fitted to the birthweight percentiles that were derived by each of the 3 predefined methods, the areas under the receiver operating characteristic curves were similar for all 3 methods: 0.56 (95% confidence interval, 0.54-0.59) fully customized, 0.56 (95% confidence interval, 0.53-0.59) noncustomized fetal weight standard, and 0.55 (95% confidence interval, 0.53-0.58) noncustomized actual birthweight standard. When we classified the top 5% of predicted risk as high risk, the methods that used a fetal growth standard showed attenuation after adjustment for gestational age, whereas the birthweight standard did not. Further adjustment for the maternal characteristics, which included weight, attenuated the association with the customized standard, but not the other 2 methods. The associations after full adjustment were similar when we compared the 3 approaches. CONCLUSION: The independent association between birthweight percentile and adverse outcome was similar when we compared actual birthweight standards and fetal growth standards and compared customized and noncustomized standards. Use of fetal weight standards and customized percentiles for maternal characteristics could lead to stronger associations with adverse outcome through confounding by preterm birth and maternal obesity. PMID- 29199028 TI - Sex-dependent influences of morphine and its metabolites on pain sensitivity in the rat. AB - Preclinical studies report that the effective dose for morphine is approximately 2-fold higher in females than males. Following systemic administration, morphine is metabolized via Phase II glucuronidation in the liver and brain into two active metabolites: morphine-3-glucuronide (M3G) and morphine-6-glucuronide (M6G), each possessing distinct pharmacological profiles. M6G binds to MU opioid receptors and acts as a potent analgesic. In contrast, M3G binds to toll-like receptor 4 (TLR4), initiating a neuroinflammatory response that directly opposes the analgesic effects of morphine and M6G. M3G serum concentrations are 2-fold higher in females than males, however, sex-specific effects of morphine metabolites on analgesia and glial activation in vivo remain unknown. The present studies test the hypothesis that increased M3G, and subsequent TLR4-mediated activation of glia, is a primary mechanism driving the attenuated response to morphine in females. We demonstrate that intra-PAG M6G results in a greater analgesic response in females than morphine alone. M6G analgesia was reversed with co-administration of (-)-naloxone, but not (+)-naloxone, suggesting that this effect is MU opioid receptor mediated. In contrast, intra-PAG administration of M3G significantly attenuated the analgesic effects of systemic morphine in males only, increasing the 50% effective dose of morphine two-fold (5.0 vs 10.3mg/kg) and eliminating the previously observed sex difference. An increase in IL-1beta, IL-6 and TNF was observed in females following intra-PAG morphine or M6G. In males, only IL-1beta levels increased following morphine. Changes in cytokine levels following M3G were limited to TNF in females. Together, these data implicate sex differences in morphine metabolism, specifically M3G, as a contributing factor in the attenuated response to morphine observed in females. PMID- 29199030 TI - Effect of a single early EEG neurofeedback training on remediation of spatial neglect in the acute phase. PMID- 29199031 TI - Surgical success and lateral incomitance following three-muscle surgery for large angle horizontal strabismus. AB - PURPOSE: To evaluate motor alignment, motility, and sensorial outcomes of simultaneous three-muscle surgery for large-angle horizontal strabismus, with special attention to lateral incomitance and long-term success. METHODS: The medical records of consecutive patients with large-angle deviations (>=30Delta) who underwent simultaneous surgery on three horizontal muscles to correct esotropia or exotropia were reviewed retrospectively. Successful motor alignment was defined as residual deviation of <=10Delta and consecutive deviation in primary position of <=4Delta, with no induced lateral incomitance >5Delta between lateral gazes. Sensory success was defined as an improvement in stereopsis of >=2 octaves. Surgical procedures included a combination of recessions and resections/plications depending on surgeon preference. The majority of cases were two-muscle recessions combined with one-muscle resection or plication. RESULTS: A total of 19 patients with exotropia and 9 patients with esotropia were included. In the esotropic group, the mean age at surgery was 48 +/- 15 years and the mean preoperative deviation improved from 45.6Delta +/- 11.9Delta to 1.5Delta +/- 1.6Delta (P < 0.001); there was no undercorrection, recurrence or overcorrection. In the exotropic group, the mean age at surgery was 44 +/- 25 years, and the mean preoperative deviation improved from 44.1Delta +/- 8.7Delta to 5.8Delta +/- 9.6Delta (P < 0.001), recurrence occurred in 2 (22%). Overall motor success at distance was 85%, with 1 (3.8%) unsuccessful patient due to induced incomitance. Sensory success was 44% for esotropia and 31% for exotropia. No patient lost stereopsis. CONCLUSIONS: Patients undergoing three-muscle surgery for horizontal strabismus had good motor outcomes with low incidence of induced lateral incomitance. Motor and sensorial outcomes for esotropia were very stable. PMID- 29199032 TI - Surgical outcome of superior rectus transposition in esotropic Duane syndrome and abducens nerve palsy. AB - PURPOSE: To evaluate surgical outcome of superior rectus transposition (SRT) in esotropic Duane syndrome (DS) and abducens nerve palsy. METHODS: Retrospective medical record analysis of all patients with esotropic DS and abducens nerve palsy treated with SRT at our center with minimum follow-up of 6 months. Primary outcome measures were esotropia in primary position and abduction limitation. Secondary outcome measures included head turn, stereopsis, and cyclovertical deviations. RESULTS: A total of 20 eyes of 19 patients were included: 9 with DS and 10 with traumatic abducens nerve palsy. One patient had bilateral esotropic DS. Mean age of DS patients was 12.5 +/- 10.1 years; of abducens nerve palsy patients, 25.4 +/- 11.3 years. Medial rectus recession (MRc) of 3.5 mm was additionally performed in 5 DS eyes. An adjustable MRc 5.6 +/- 2.2 mm with or without augmentation suture was performed in all abducens nerve palsy patients. In DS patients, esotropia improved from 27.5Delta +/- 5.4Delta to 3.6Delta +/- 6.4Delta (P < 0.001), abduction limitation reduced from -3.8 to -1.8 (P < 0.001), and head posture improved from 20 degrees to 4 degrees (P < 0.001) at 6 months. In abducens nerve palsy patients, esotropia improved from 51.5Delta +/- 18.8Delta to 6.1Delta +/- 10.7Delta (P < 0.001), abduction limitation reduced from -3.8 to 2, and head posture improved from 25 degrees to 8 degrees (P < 0.001). Stereopsis improved in 4 patients (P = 0.12). No patient had vertical deviation or torsional diplopia. CONCLUSIONS: In our patient cohort with esotropic DS or abducens nerve palsy, SRT reduced esotropia and improved abduction. Because of a long-term exotropic drift, initial undercorrection in the immediate postoperative period may prevent eventual overcorrection. PMID- 29199033 TI - Psychosocial reactions to upper extremity limb salvage: A case series. AB - STUDY DESIGN: Case series. INTRODUCTION: A salvaged limb is one that has undergone a major traumatic injury, followed by repeated surgical attempts in order to avoid amputation. Psychological recovery for individuals with lower extremity limb salvage has been examined in a number of studies. However, psychosocial reactions for individuals with upper extremity (UE) limb salvage are understudied in the literature. PURPOSE OF THE STUDY: The purpose of this study was to explore the process of psychosocial adaptation for 3 trauma cases after UE limb salvage. METHODS: The Reactions to Impairment and Disability Inventory was used to assess psychosocial adaptation. Physical function outcomes (pain, range of motion, edema, sensation, and dexterity) are presented. The Disabilities of the Arm, Shoulder, and Hand measure was used to assess perceived disability. Medical and rehabilitation history are discussed for each case, in order to provide in-depth understanding of the impact of these injuries. RESULTS: Reactions to injury varied across the cases; however, outcomes suggest that psychosocial adaptation may be influenced by the experience of pain, the ability to participate in valued roles and activities, and having a supportive social network. DISCUSSION: For this population, therapists may consider emphasizing pain management, focusing on client-centered goals and interventions, and facilitating peer support. Providers should closely monitor patients for signs of poor adaptation, such as hand-hiding behaviors. CONCLUSIONS: This study is among the first to examine psychological outcomes for the UE limb salvage population. Future research would be beneficial to provide deeper understanding of the psychosocial challenges for these individuals. PMID- 29199034 TI - The Rectangle: A hand-based pattern for a dorsal short thumb opponens orthosis with metacarpophalangeal support. PMID- 29199035 TI - Changes in zinc status and zinc transporters expression in whole blood of patients with Systemic Inflammatory Response Syndrome (SIRS). AB - INTRODUCTION: Critically ill patients develop severe stress, inflammation and a clinical state that may raise the utilization and metabolic replacement of many nutrients and especially zinc, depleting their body reserves. This study was designed to assess the zinc status in critical care patients with systemic inflammatory response syndrome (SIRS), comparing them with a group of healthy people, and studying the association with expression of zinc transporters. MATERIAL AND METHODS: This investigation was a prospective, multicentre, comparative, observational and analytic study. Twelve critically ill patients from different hospitals and 12 healthy subjects from Granada, Spain, all with informed consent were recruited. Data on daily nutritional assessment, ICU severity scores, inflammation, clinical and nutritional parameters, plasma and blood cell zinc concentrations, and levels of transcripts for zinc transporters in whole blood were taken at admission and at the seventh day of the ICU stay. RESULTS: Zinc levels on critical ill patient are diminish comparing with the healthy control (HS: 0.94 +/- 0.19; CIPF: 0.67 +/- 0.16 mg/dL). The 58% of critical ill patients showed zinc plasma deficiency at beginning of study while 50.0% of critical ill after 7 days of ICU stay. ZnT7, ZIP4 and ZIP9 were the zinc transporters with highest expression in whole blood. In general, all zinc transporters were significantly down-regulated (P < 0.05) in the critical ill population at admission in comparison with healthy subjects. Severity scores and inflammation were significantly associated (P < 0.05) with zinc plasma levels, and zinc transporters ZIP3, ZIP4, ZIP8, ZnT6, ZnT7. Expression of 11 out of 24 zinc transporters was analysed, and ZnT1, ZnT4, ZnT5 and ZIP4, which were downregulated by more than 3-fold in whole blood of patients. CONCLUSION: In summary, in our study an alteration of zinc status was related with the severity of-illness scores and inflammation in critical ill patients since admission in ICU stay. SIRS caused a general shut-down of expression of zinc transporters in whole blood. That behavior was associated with severity and inflammation of patients at ICU admission regardless zinc status. We conclude that zinc transporters in blood might be useful indicators of severity of systemic inflammation and outcome for critically ill patients. PMID- 29199036 TI - Second International Conference on Crimean-Congo Hemorrhagic Fever. AB - The Second International Conference on Crimean-Congo Hemorrhagic Fever (CCHF) was held in Thessaloniki, Greece, from September 10-13, 2017, and brought together international public health professionals, clinicians, ecologists, and basic laboratory researchers. Nearly 100 participants, representing 24 countries and the World Health Organization (WHO), were in attendance. Meeting sessions covered the epidemiology of CCHF in humans; ticks and virus-tick interactions; wild and domestic animal hosts; molecular virology; taxonomic classification; pathogenesis and animal models; clinical aspects and diagnosis; clinical management and clinical trials; and disease prevention in humans. The concluding session focused on recent WHO recommendations for public health measures and future research. This report summarizes lectures by the invited speakers and highlights advances in the field. PMID- 29199037 TI - Potential role of lncRNAs in contributing to pathogenesis of chronic glomerulonephritis based on microarray data. AB - BACKGROUND: Chronic glomerulonephritis (CGN) is the most common form of primary glomerular disease with unclear molecular mechanisms, which related to immune mediated inflammatory diseases. Our study intended to identify potential long non coding RNAs (lncRNAs) and genes, and to determine the potential molecular mechanisms of CGN pathogenesis. METHODS: The microarray of GSE64265 and GSE46295 were downloaded from the Gene Expression Omnibus database, GSE64265 including 3 rats control kidney tissues and 5 rats model kidney tissues, GSE46295 including 3 rats control kidney tissues and 3 rats model kidney tissues, which was on the basis of GPL1355 platform. Identification of differentially expressed lncRNAs and mRNAs were performed between the 2 groups. Gene ontology (GO) and pathway enrichment analyses were performed to analyze the biological functions and pathways for the differentially expressed mRNAs. LncRNA-mRNA weighted co expression network was constructed using the WGCNA package to analyses for the genes in the modules. The protein-protein interaction (PPI) network was visualized. RESULTS: A total of 40 significantly up-regulated and 24 down regulated lncRNAs, 653 up-regulated and 128 down-regulated mRNAs were identified. Additionally, Cdk1, with the highest connectivity degree in PPI network, was noteworthy enriched in cell cycle. Seven lncRNAs: NONRATT026650, LOC102547664, NONRATT77021989, NONRATT012453, LOC102551856, LOC102553536 and NONRATT7047175 were observed in the modules of lncRNA-mRNA weighted co-expression network. CONCLUSIONS: LncRNAs NONRATT026650, LOC102547664, NONRATT77021989, NONRATT012453, LOC102551856, LOC102553536 and NONRATT7047175 were differentially expressed and might play important roles in the development of CGN. Key genes, such as Cd44, Rftn1, Runx1, may be crucial biomarkers for CGN. PMID- 29199038 TI - Association of interleukin-10 gene single nucleotide polymorphisms with susceptibility to systemic lupus erythematosus in a Chinese population. AB - The aim of this study was to investigate the association of interleukin (IL)-10 gene single nucleotide polymorphisms (SNPs) with susceptibility to systemic lupus erythematosus (SLE) in a Chinese population. 848 SLE patients and 461 normal controls were recruited in this study. Nine SNPs in IL-10 gene (rs1518110, rs1518111, rs1554286, rs1800890, rs1800893, rs3024493, rs3024495, rs3024498 and rs6667202) were genotyped using TaqMan genotyping assays on Fluidigm 192.24 system. The frequency of IL-10 rs3024498-C allele was significantly higher in patient group compared with control subjects (OR=5.118, 95% CI=1.819-14.405, P=0.002). No significant differences were detected for the distribution of allele and genotype frequencies of other eight SNPs between patients with SLE and controls after Bonferroni correction (all P>0.0056). Interestingly, significant differences were detected both in the allele and genotype frequencies of rs3024498 between SLE patients with and without arthritis (P=0.002, P=0.022, respectively).There was significant difference in genotype frequency at rs3024498 between SLE patients with and without malar rash (P=0.040). And, there was significant difference in allele frequency at rs3024498 between SLE patients with and without anti-double-stranded DNA (P=0.032). Meanwhile, significant difference in genotype frequency at rs1518110 and rs1518111 were found in patients with and without lupus headache (P=0.025, P=0.038, respectively). There were significant difference in allele and genotype frequency at rs1800890 and rs6667202 between SLE patients with and without thrombocytopenia (rs1800890: P=0.016, P=0.026, respectively; rs6667202: P=0.007, P=0.007, respectively). Further, significant difference were observed both in allele frequency and in genotype distribution of rs1800893 between patients with and without tubular urine and proteinuria (tubular urine: P<0.001, P=0.003, respectively; proteinuria: P=0.001, P=0.018, respectively). In summary, IL-10 rs3024498 polymorphism might contribute to SLE susceptibility and several clinical phenotypes. PMID- 29199040 TI - Progress towards a vaccine against Ebola to meet emergency medical countermeasure needs. AB - The Ebola virus epidemic in West Africa proved to be the largest in the history of filovirus outbreaks, causing the World Health Organization to declare a public health emergency of international concern in August of 2014. In collaboration with domestic and international partners, the Biomedical Advanced Research and Development Authority (BARDA) initiated several vaccine development projects in support of the overall response efforts. The urgency associated with the epidemic triggered the clinical evaluation of lead vaccine candidates starting in late 2014. Here we will discuss development of the lead vaccine candidates for Ebola virus, specifically Zaire ebolavirus. PMID- 29199039 TI - The coronavirus nucleocapsid protein is ADP-ribosylated. AB - ADP-ribosylation is a common post-translational modification, although how it modulates RNA virus infection is not well understood. While screening for ADP ribosylated proteins during coronavirus (CoV) infection, we detected a ~55kDa ADP ribosylated protein in mouse hepatitis virus (MHV)-infected cells and in virions, which we identified as the viral nucleocapsid (N) protein. The N proteins of porcine epidemic diarrhea virus (PEDV), severe acute respiratory syndrome (SARS) CoV and Middle East respiratory syndrome (MERS)-CoV were also ADP-ribosylated. ADP-ribosylation of N protein was also observed in cells exogenously expressing N protein by transduction using Venezuelan equine encephalitis virus replicon particles (VRPs). However, plasmid-derived N protein was not ADP-ribosylated following transient transfection but was ADP-ribosylated after MHV infection, indicating that this modification requires virus infection. In conclusion, we have identified a novel post-translation modification of the CoV N protein that may play a regulatory role for this important structural protein. PMID- 29199041 TI - Whole-cell or acellular pertussis vaccination in infancy determines IgG subclass profiles to DTaP booster vaccination. AB - INTRODUCTION: Duration of protection against pertussis is shorter in adolescents who have been immunized with acellular pertussis (aP) in infancy compared with adolescents who received whole-cell pertussis (wP) vaccines in infancy, which is related to immune responses elicited by these priming vaccines. To better understand differences in vaccine induced immunity, we determined pertussis, diphtheria, and tetanus (DTaP) vaccine antigen-specific IgG subclass responses in wP- and aP-primed children before and after two successive DTaP booster vaccinations. METHODS: Blood samples were collected in a cross-sectional study from wP- or aP-primed children before and 1 month after the pre-school DTaP booster vaccination at age 4 years. Blood samples were collected from two different wP- and aP-primed groups of children before, 1 month and 1 year after an additional pre-adolescent Tdap booster at age 9 years. IgG subclass levels against the antigens included in the DTaP vaccine have been determined with fluorescent-bead-based multiplex immunoassays. RESULTS: At 4 years of age, the IgG4 proportion and concentration for pertussis, diphtheria and tetanus vaccine antigens were significantly higher in aP-primed children compared with wP-primed children. IgG4 concentrations further increased upon the two successive booster vaccinations at 4 and 9 years of age in both wP- and aP-primed children, but remained significantly higher in aP-primed children. CONCLUSIONS: The pertussis vaccinations administered in the primary series at infancy determine the vaccine antigen-specific IgG subclass profiles, not only against the pertussis vaccine antigens, but also against the co-administered diphtheria and tetanus vaccine antigens. These profiles did not change after DTaP booster vaccinations later in childhood. The different immune response with high proportions of specific IgG4 in some aP-primed children may contribute to a reduced protection against pertussis. ISRCTN65428640; ISRCTN64117538; NTR4089. PMID- 29199042 TI - A novel antigenic cathepsin B protease induces protective immunity in Trichinella infected mice. AB - Trichinellosis is a foodborne disease that remains a public health hazard and an economic problem in food safety. Vaccines against the parasite can be an effective way to control this disease; however, commercial vaccines against Trichinella infection are not yet available. Trichinella cathepsin B proteins appear to be promising targets for vaccine development. Here, we reported for the first time the characterization of a novel cDNA that encodes Trichinella spiralis (T. spiralis) cathepsin B-like protease 2 gene (TsCPB2). The recombinant mature TsCPB2 protein was successfully expressed in E. coli system and purified with Ni affinity chromatography. TsCPB2 expression was detected at all the developmental stages of T. spiralis and it was expressed as an excretory-secretory protein of T. spiralis muscle larvae. Immunization with TsCPB2 antigen induced a combination of humoral and cellular immune responses, which manifested as a mixed Th1/Th2 response, as well as remarkably elevated IgE level. Moreover, vaccination of mice with TsCPB2 that were subsequently challenged with T. spiralis larvae resulted in a 52.3% (P < .001) reduction in worm burden and a 51.2% (P < .001) reduction in muscle larval burden. Our results suggest that TsCPB2 induces protective immunity in Trichinella-infected mice and might be a novel vaccine candidate against trichinellosis. PMID- 29199044 TI - Intussusception hospitalizations before rotavirus vaccine introduction: Retrospective data from two referral hospitals in Tamil Nadu, India. AB - BACKGROUND: The indigenous oral rotavirus vaccine Rotavac(r) was introduced into the public immunization system in India in 2016 and will be expanded in phases. This data will describe the epidemiology of intussusception in India in absence of rotavirus vaccination and will help in setting up or designing a safety monitoring system. METHODS: Medical records of intussusception cases between 2013 and 2016 in two major referral hospitals in Tamil Nadu, India were reviewed, and data on clinical presentation and management and outcome were collated. RESULTS: A total of 284 cases of intussusception were diagnosed and managed at the two centers of which 280/284 could be classified as level 1 by the Brighton criteria. Median age at presentation was 8 months (Inter Quartile Range, IQR 6-17.2) with a male to female ratio of 2.1:1. Over half (57.7%) required surgical intervention while the rest underwent non-surgical or conservative management. CONCLUSIONS: Retrospective data from referral hospitals is sufficient to classify cases of intussusception by the Brighton criteria. These baseline data will be useful for monitoring when rotavirus vaccination is introduced. PMID- 29199043 TI - Evaluating interest in an influenza A(H5N1) vaccine among laboratory workers who work with highly-pathogenic avian influenza viruses in the United States. AB - BACKGROUND: Highly pathogenic avian influenza A (HPAI) viruses found in poultry and wild birds occasionally infect humans and can cause serious disease. In 2014, the Advisory Committee on Immunization Practices (ACIP) reviewed data from one licensed ASO3-adjuvanted influenza A(H5N1) vaccine for consideration of use during inter-pandemic periods among persons with occupational exposure. To guide vaccine policy decisions, we conducted a survey of laboratory workers to assess demand for HPAI vaccination. METHODS: We designed an anonymous web survey (EpiInfo 7.0) to collect information on demographics, type of work and time spent with HPAI viruses, and interest in HPAI vaccination. Eligible participants were identified from 42 entities registered with United States Department of Agriculture's Agricultural Select Agent program in 2016 and emailed electronic surveys. Personnel with Biosafety Level 3 enhanced (BSL-3E) laboratory access were surveyed. Descriptive analysis was performed. RESULTS: Overall, 131 responses were received from 33 principal investigators, 26 research scientists, 24 technicians, 15 postdoctoral fellows, 6 students, and 27 others. The estimated response rate was 15% among the laboratory personnel of responding principal investigators. One hundred respondents reported working in a BSL-3E area where HPAI experiments occurred with a mean time of 5.1-11.7 h per week. Overall, 49% were interested in receiving an A(H5N1) vaccine. By role, interest was highest among students (80%) and among those who spent >50% of their time in a BSL-3E area (64%). Most (61%) of those who said they might be or were not interested in vaccine believed it would not provide additional protection to current safety practices. CONCLUSIONS: Half of responding laboratory workers was interested in receiving an influenza A(H5N1) vaccine. HPAI vaccination of laboratory workers at risk of occupational exposure could be used along with existing safety practices to protect this population. PMID- 29199045 TI - The mechanism of myocardial hypertrophy regulated by the interaction between mhrt and myocardin. AB - As a strong transactivator of promoters containing CarG boxes, myocardin was critical for the cardiac muscle program and necessary for normal cardiogenesis. So it probably represents a viable therapeutic biomarker in the setting of cardiac hypertrophy and failure. In recent years, the studies of regulation of cardiac hypertrophy via myocardin are so common, and the molecular mechanism is becoming more and more clear. Here, we have revealed a kind of interaction between mhrt and myocardin shown as a feedback regulatory mechanism in the regulation of cardiac hypertrophy. That is, the lncRNA mhrt can affect the acetylation of myocardin by HDAC5 to inhibit cardiac hypertrophy induced by myocardin. Moreover, myocardin also can directly activate the mhrt transcription through binding to the CarG box. Thus, mhrt and myocardin form a regulation loop in the process of cardiac hypertrophy. This finding may play a positive role in revealing the complete mechanisms of cardiac hypertrophy. PMID- 29199046 TI - "Open access" growth histories in millipedes (Diplopoda). AB - A unique pattern of missing defence glands on certain body rings is described for two species of the millipede family Mongoliulidae, order Julida: Ussuriiulus pilifer Golovatch, 1980, and Koiulus interruptus Enghoff et al., 2017. Based on the patterns of missing glands observed in recently collected samples of the two species, numbers of podous and apodous body rings in successive stadia of the postembryonic development can be inferred for each individual millipede, which in turn allows the reconstruction of pathways of anamorphosis in these species. The inferred numbers of body rings in developmental stadia are compared with actual numbers observed on additional samples, including the type series, of U. pilifer. The pattern of missing glands in the two mongoliulid species is compared with the pattern of missing glands typical of the entire millipede order Polydesmida. PMID- 29199048 TI - Arterial Pressure Monitoring and Site-Specific Gradient Issues During Cardiac Surgery. PMID- 29199047 TI - Egg-laying behavior and morphological and chemical characterization of egg surface and egg attachment glue of the digger wasp Ampulex compressa (Hymenoptera, Ampulicidae). AB - For providing their offspring females of the digger wasp species Ampulex compressa hunt cockroaches, paralyze them and attach as a rule one egg to the coxa of one of the mid legs of their prey. We observed the egg-laying behavior and examined with light- and scanning microscopy (i) nearly mature eggs from ovaries of freshly dissected females and (ii) eggs immediately after their deposition on the coxae of their prey. The length of the white bean-shaped eggs varied between 2.2 and 3.0 mm, their diameter between 0.66 and 0.72 mm, and their weight between 345 and 832 MUg. The surface of fresh, untreated eggs shows even at higher magnifications (>20.000*) a smooth appearance. However, after conventional fixation, dehydration with ethyl-alcohol and critical-point drying the egg-surface exhibited a little bit texture. The eggs are at two-third of their underside glued to the coxa of the prey. With the naked eye the glue appears as a compact mass. The eggs may be mechanically removed from the substrate (their attachment site); however, in doing so the viscous attachment glue appears in a more fibrous consistence. The polypeptide composition washed off the egg surface and the glue revealed no similarities, whereas the molecular mass of two polypeptides were similar between glue and the Dufour's gland contents. PMID- 29199049 TI - Successful Use of Serratus Plane Block as Primary Anesthetic for Video-Assisted Thoracoscopic Surgery (VATS)-Assisted Pleural Effusion Drainage. PMID- 29199050 TI - The Role of Hemoglobin A1c as a Biomarker and Risk Assessment Tool in Patients Undergoing Non-cardiac and Cardiac Surgical Procedures. PMID- 29199051 TI - Noninvasive Evaluation of Native Valvular Regurgitation: A Review of the 2017 American Society of Echocardiography Guidelines for the Perioperative Echocardiographer. PMID- 29199052 TI - Protective Invasive Ventilation in Cardiac Surgery: A Systematic Review With a Focus on Acute Lung Injury in Adult Cardiac Surgical Patients. PMID- 29199053 TI - Post-Stroke Cancer Risk among Postmenopausal Women: The Women's Health Initiative. AB - BACKGROUND: Associations between a history of cancer and higher subsequent stroke risk have been established. However, whether a history of stroke is associated with higher subsequent cancer risk, especially for cancers with overlapping risk factors for stroke, is unknown. Therefore, we examined whether a history of stroke was associated with subsequent cancer risk and tumor site, by race/ethnicity, among postmenopausal women. METHODS: Using data from 145,075 participants in the Women's Health Initiative observational study and clinical trials (1993-2014), we used Cox proportional hazards models to predict cancer risk, comparing women with and without a history of stroke. Bivariate and multivariate models were estimated, accounting for potential confounders and death as a competing risk. RESULTS: Women with a history of stroke survived roughly 3 fewer years than women without such history. The average time between incident stroke and incident cancer was 4.8 years. In adjusted competing risk models, women with a history of stroke had a lower cancer risk compared with women without such a history (adjusted hazard ratio, 0.81; 95% CI, 0.75-0.88). The magnitude of the association between a history of stroke and time to incident cancer was similar across racial/ethnic groups. DISCUSSION: Postmenopausal women with a history of stroke had a significantly lower risk of subsequent cancer compared with women with no history of stroke. Although the risk of certain cancers were greater for African American compared with White women, the association between a stroke history and cancer risk did not vary by race/ethnicity. CONCLUSIONS: Postmenopausal women with a history of stroke, who survive long enough to develop cancer, have a lower risk of cancer than women without such a history. Future studies should examine whether behavioral or clinical characteristics explain and/or mediate this association. PMID- 29199054 TI - A multilevel approach to modeling health inequalities at the intersection of multiple social identities. AB - RATIONALE: Examining interactions between numerous interlocking social identities and the systems of oppression and privilege that shape them is central to health inequalities research. Multilevel models are an alternative and novel approach to examining health inequalities at the intersection of multiple social identities. This approach draws attention to the heterogeneity within and between intersectional social strata by partitioning the total variance across two levels. METHOD: Utilizing a familiar empirical example from social epidemiology body mass index among U.S. adults (N = 32,788)-we compare the application of multilevel models to the conventional fixed effects approach to studying high dimension interactions. Researchers are often confronted with the need to explore numerous interactions of identities and social processes. We explore the interactions of five dimensions of social identity and position-gender, race/ethnicity, income, education, and age-for a total of 384 unique intersectional social strata. RESULTS: We find that the multilevel approach provides advantages over conventional models, including scalability for higher dimensions, adjustment for sample size of social strata, model parsimony, and ease of interpretation. CONCLUSION: Considerable variation is attributable to the within-strata level, indicating the low discriminatory accuracy of these intersectional identities and the high within-strata heterogeneity of risk that remains unexplained. Multilevel modeling is an innovative and valuable tool for evaluating the intersectionality of health inequalities. PMID- 29199055 TI - Bone Marrow Involvement in Malignant Lymphoma: Evaluation of Quantitative PET and MRI Biomarkers. AB - RATIONALE AND OBJECTIVES: This study aimed to determine the diagnostic utility of standardized uptake values (SUV) and apparent diffusion coefficients (ADC) for assessment of focal and diffuse bone marrow involvement in patients with malignant lymphoma. MATERIALS AND METHODS: Sixty treatment-naive patients (28 males; mean age 51.2 +/- 16.7 years) with histologically proven lymphoma, who underwent fludeoxyglucose (18F) positron emission tomography-computed tomography ([F18]-FDG-PET/CT) and whole-body diffusion-weighted imaging (WB-DWI) within 7 days, and also routine bone marrow biopsy, were included in this institutional review board-approved, retrospective study. The maximum SUV (SUVmax) on [F18]-FDG PET/CT, and the mean ADC (ADCmean, *10-3 mm2/s) on whole-body-DWI, were extracted from focal lesions, or, in their absence, from the thoracic (Th8) and lumbar vertebral bodies (L4), the sacral bone (S1), and the iliac crest. Lesion-to-liver ratios (SUVmax-ratio) were calculated. Pearson correlation coefficients were used to assess the correlation between SUVmax-ratios and ADCmean values. RESULTS: Bone marrow involvement was observed in 16 of 60 patients (8 of 16 with diffuse infiltration). The SUVmax-ratio cutoff value was 95.25% for focal and 70.2% for diffuse bone marrow involvement (sensitivity/specificity of 87.5%/86.4% and 100%/43.2%, respectively). The ADCmean cutoff value was 0.498 for focal and 0.401 for diffuse bone marrow involvement (sensitivity/specificity of 100%/90.9% and 87.5%/56.8%, respectively). No significant correlations were found between SUVmax ratios and ADCmean values in the different groups. CONCLUSION: With the liver as reference tissue, quantitative [F18]-FDG-PET/CT may be useful to differentiate bone marrow involvement from normal bone marrow in patients with lymphoma, even though the specificity for diffuse marrow involvement is rather low. Quantitative DWI can be used only to distinguish focal bone marrow lesions from normal bone marrow. PMID- 29199056 TI - Screening Mammography Utilization and Medicare Beneficiaries' Perceptions of Their Primary Care Physicians. AB - RATIONALE AND OBJECTIVES: To assess associations between screening mammography utilization and Medicare beneficiaries' relationships with, and impressions of, their primary care physicians. MATERIALS AND METHODS: Using the Medicare Current Beneficiary Survey Access to Care Public Use File, we retrospectively studied responses from a national random cross section of Medicare beneficiaries surveyed in 2013 regarding perceptions of their primary care physicians and their screening mammography utilization. Statistical analysis accounted for subject weighting factors to estimate national screening utilization. RESULTS: Among 7492 female Medicare beneficiaries, 62.0% (95% confidence interval 59.8%-64.2%) underwent screening mammography. Utilization was higher for beneficiaries having (vs. not) a regular medical practice or clinic (63.2% vs. 34.6%) and a usual physician (63.8% vs. 50.3%). Utilization was higher for beneficiaries very satisfied (vs. very dissatisfied) with the overall quality of care they received (66.0% vs. 35.8%), their ease of getting to a doctor (67.7% vs. 43.2%), and their physician's concerns for their health (65.7% vs. 53.4%), as well as for beneficiaries strongly agreeing (vs. strongly disagreeing) that their physician is competent (66.0% vs. 54.1%), understands what is wrong (66.3% vs. 47.1%), answers all questions (67.0% vs. 46.7%), and fosters confidence (66.0% vs. 50.6%). Independent predictors of screening mammography utilization (P < .05) were satisfaction with quality of care, having a regular practice or clinic, and satisfaction with ease of getting to their physician. CONCLUSIONS: Screening mammography utilization is higher among Medicare beneficiaries with established primary physician relationships, particularly when those relationships are favorable. To optimize screening mammography utilization, breast imagers are encouraged to support initiatives to enhance high-quality primary care relationships. PMID- 29199057 TI - Epidemiology of Hepatic Steatosis at a Tertiary Care Center: An MRI-based Analysis. AB - RATIONALE AND OBJECTIVES: Little is known about the frequency and risk factors of hepatic steatosis in the tertiary care setting. Such knowledge is essential to clinicians making decisions about testing for this condition. Thus, our aim was to describe the epidemiology of hepatic steatosis, as captured by magnetic resonance imaging (MRI), at a tertiary care center. MATERIALS AND METHODS: A near consecutive cohort of 1006 adult patients underwent standard-of-care liver MRIs. Images were retrospectively processed to derive proton density fat fraction (PDFF) maps. Data from three spatially distinct regions of interest (ROIs) were aggregated to derive overall hepatic PDFF values. Demographic, anthropometric, clinical, and laboratory variables were included in a multivariate analysis to determine predictors of hepatic steatosis grades (based on established PDFF cutoffs). Hepatic steatosis grades derived from single vs aggregated ROIs were compared. RESULTS: Hepatic steatosis was observed in 25% of patients (19% grade 1; 3% grade 2; 3% grade 3). Controlling for all other variables, the odds of hepatic steatosis increased by 7%-9% (P <.001) for each whole point increase in body mass index (BMI), whereas elevated serum bilirubin was associated with lower odds of hepatic steatosis (P = .002). Race, diabetes mellitus, dyslipidemia, and metabolic syndrome were not independently predictive of hepatic steatosis when controlling for other variables (eg, BMI). Employing single ROIs (rather than three aggregated ROIs) resulted in incorrect steatosis grading in up to 8.0% of patients. CONCLUSION: Many adult patients undergoing liver MRI at a tertiary care center have hepatic steatosis, with larger BMIs as the only independent predictor of higher grades. This information can be used by clinicians at such centers to make evidence-based decisions about when to test for hepatic steatosis in their patients. PMID- 29199058 TI - One-Year Follow-up Study Detects Myocardial Changes with Cardiovascular Magnetic Resonance Tagging in Active Rheumatoid Arthritis. AB - RATIONALE AND OBJECTIVES: To evaluate the effects of 1 year of medical treatment on myocardial function in active rheumatoid arthritis (RA). MATERIALS AND METHODS: Thirty-nine female patients with RA without any known cardiovascular disease underwent a cardiovascular magnetic resonance (CMR) examination before and after 1 year of antirheumatic treatment. The population comprised untreated active early RA (ERA) and chronic RA patients, who were grouped accordingly. The CMR protocol included volumetric determinations, late gadolinium enhancement imaging, myocardial tagging, and native T1 mapping. DAS28-CRP disease activity scores were calculated before and after the treatment. RESULTS: Results are reported as median (quartile 1-quartile 3). Time to peak diastolic filling rate improved in ERA (495 [443-561] ms vs 441 [340-518] ms, P = .018). Peak diastolic mean mid short-axis circumferential strain rate of all six segments was improved (82 [74-91] %/s vs 91 [77-100] %/s, P = .05), particularly in the anterior segment (82 [63-98] %/s vs 86 [77-109] %/s, P = .013). DAS28-CRP decreased in ERA (3.8 [3.2-4.1] vs 1.6 [1.4-2.2], P < .001). In chronic RA, no statistically significant improvement was detected. CONCLUSIONS: Early treatment of active RA is important, as myocardial function detected with CMR tagging improved in ERA in parallel with decreasing inflammatory activity. PMID- 29199059 TI - Preventing Overdiagnosis of Acetabular Labral "Tears" in 40-Plus-year-old Patients: Shouldn't these be called Labral "Fissures" Instead? AB - Acetabular labral tears represent a common finding on magnetic resonance imaging of the hip. Labral tears can arise from a multitude of underlying pathological processes or they may be an asymptomatic incidental finding. The prevalence of labral tears and their lack of specificity make this an area vulnerable to potential overdiagnosis. The overdiagnosis of labral tears leads to overtreatment by exposing patients to unnecessary surgeries as well as complications ranging from unsatisfying outcomes to deep venous thrombosis. This risk is compounded by the tabloid popularization of labral surgeries by celebrities such as Lady Gaga, which could potentiate patient perception of a two-tiered level of health care. Following a similar situation with spine nomenclature, one solution to this issue is to reclassify "labral tears" as "labral fissures" in some or all cases to mitigate the acute traumatic connotation of the term "tear." PMID- 29199060 TI - Total Joint Arthroplasty in Patients With Parkinson's Disease: Survivorship, Outcomes, and Reasons for Failure. AB - BACKGROUND: Gait instability and muscle rigidity are known characteristics of Parkinson's disease (PD), putting PD patients at risk for complications following total joint arthroplasty (TJA). The outcomes of Parkinson's patients undergoing TJA are largely unknown. This study evaluated the outcomes of TJA in this population. METHODS: A single institution retrospective cohort of 123 TJAs (52 hips, 71 knees) from 2000 to 2016 was reviewed. An electronic chart query was performed using International Classification of Diseases, Ninth revision codes to identify this population. A manual chart review was performed to confirm the diagnosis of PD, survivorship, and reason for failure. A control cohort was matched 2:1 based on age, body mass index, joint, and comorbidities. Outcomes were assessed using revision for any reason as the primary endpoint. Functional outcomes were assessed using Short-Form 12 scores. RESULTS: At an average follow up of 5.3 years, 23.6% of patients required revision surgery. The most common reasons for revision for total knee arthroplasty (TKA) were periprosthetic infection and for total hip arthroplasty (THA) were periprosthetic fracture and dislocation. Overall survivorship of TJA at years 2, 5, and 10 respectively were 94.9%, 87.9%, and 72.3%. The survivorship of TKA was 95.2%, 89.8%, and 66.2%. THA implant survivorship was 94.3%, 85.3%, and 78.7%. Functional score improvement was less in PD cohort than the control. CONCLUSION: Patients with PD are at increased risk for complications, particularly periprosthetic infection following TKA and periprosthetic fracture and dislocation following THA. Despite this increased risk of complications, patients with PD can demonstrate improved functional outcomes but not as high as patients without PD. Patients with PD should be counseled appropriately prior to undergoing TJA. PMID- 29199061 TI - Should Medicare Remove Total Knee Arthroplasty From Its Inpatient Only List? A Total Knee Arthroplasty Is Not a Partial Knee Arthroplasty. AB - BACKGROUND: The Centers for Medicare and Medicaid Services have solicited comments to consider removing total knee arthroplasty (TKA) from the Inpatient Only list, as it has done for unicompartmental knee arthroplasty (UKA). The purpose of this study is to determine whether Medicare-aged patients undergoing TKA had comparable outcomes to those undergoing UKA. METHODS: We queried the American College of Surgeons-National Surgical Quality Improvement Program database for all patients aged 65 years or older who underwent elective TKA or UKA from 2014 and 2015. Demographic variables, comorbidities, length of stay (LOS), 30-day complication, and readmission rates were compared between UKA and TKA patients. A multivariate regression analysis was then performed to identify independent risk factors for complications and hospital LOS greater than 1 day. RESULTS: Of the 50,487 patients in the study, there were 49,136 (97%) TKA patients and 1351 UKA patients (3%). Medicare-aged TKA patients had a longer mean LOS (2.97 vs 1.57 days, P < .001), had a higher complication rate (9% vs 3%, P < .001), and were more likely to be discharged to a rehabilitation facility (31% vs 9%, P < .001) than Medicare-aged UKA patients. When controlling for other variables, TKA patients were more likely to experience a complication (odds ratio, 2.562; P < .001) and require LOS >1 day (odds ratio, 14.679; P < .001) than UKA patients. CONCLUSION: TKA procedure in the Medicare population is an independent risk factor for increased complications and LOS compared to UKA. Policymakers should use caution extrapolating UKA data to TKA patients and recognize the inherent disparities between the 2 procedures. PMID- 29199062 TI - Nanoemulsion as pharmaceutical carrier for dermal and transdermal drug delivery: Formulation development, stability issues, basic considerations and applications. AB - The use of nanoemulsion in augmenting dermal and transdermal effectiveness of drugs has now well established. The development of nanoemulsion based semisolid dosage forms is an active area of present research. However, thickening or liquid to-semisolid conversion of the nanoemulsions provides opportunities to the formulation scientist to explore novel means of solving instability issues during transformation. Extending knowledge about the explicit role of nature/magnitude of zeta potential, types of emulsifiers and selection of appropriate semisolid bases could place these versatile carriers from laboratory to industrial scale. This article reviews the progressive advancement in the delivery of medicament via nanoemulsion with special reference to the dermal and transdermal administration. It is attempted to explore the most suitable semi solid dosage form for the particular type of nanoemulsion (o/w, w/o and others) and effect of particle size and zeta potential on the delivery of drugs through dermal or transdermal route. Finally, this review also highlights the basic principles and fundamental considerations of nanoemulsion manufacture, application of nanoemulsion based semisolid dosage forms in the dermal/transdermal administration and basic considerations during the nanoemulsion absorption into and through skin. PMID- 29199063 TI - Nanosystems in nose-to-brain drug delivery: A review of non-clinical brain targeting studies. AB - The treatment of neurodegenerative and psychiatric disorders remains a challenge in medical research. Several strategies have been developed over the years, either to overcome the blood-brain barrier or to achieve a safer or faster brain delivery, one of them being intranasal (IN) administration. The possibility of direct nose-to-brain transport offers enhanced targeting and reduced systemic side effects. Nevertheless, labile, low soluble, low permeant and/or less potent drugs might need a formulation other than the common solutions or suspensions. For that, the formulation of nanosystems is considered to be a promising approach, since it can protect drugs from chemical and/or metabolic degradation, enhance their solubility, or offer transport through biological membranes. However, the understanding of the factors promoting efficient brain targeting when using nanosystems through the nasal route is currently patchy and incomplete. The main purpose of the present review was to evaluate the association between brain delivery efficacy (in terms of brain targeting, brain bioavailability and time to reach the brain) and nanosystem type. For that, we performed a systematic bibliographic search and analysis. Furthermore, study designs, nanosystem properties, and reporting quality were also analyzed and discussed. It was found a high heterogeneity in how pre-clinical brain targeting studies have been conducted, analyzed and reported in scientific literature, which surely originates a significant degree of bias and data dispersion. This review attempts to provide some systematization recommendations, which may be useful for researchers entering the field, and assist in increasing the uniformity of future reports. The analysis of literature data confirmed that there is evidence of the advantage of the IN route (when compared to the intravenous route) and in using carrier nanosystems (when compared to IN solutions) for brain delivery of a large set of drugs. Among the most represented nanosystem classes, microemulsions had some of the lowest pharmacokinetic ratios values, while polymeric micelles had some of the best. Nevertheless, brain targeting efficacy comparisons between nanosystem groups had little statistical significance, and the superiority of the polymeric micelles group disappeared when nanosystems were compared to the respective IN drug solutions. In fact, some drugs reached the brain so efficiently, even as drug solutions, that further benefit from formulating them into nanosystems became less evident. PMID- 29199064 TI - Subchronic bisphenol S exposure affects liver function in mice involving oxidative damage. AB - Bisphenol S (BPS) has been widely used in the manufacturing industry as a substitute for bisphenol A (BPA). Emerging evidences, mostly from in vitro studies, suggest that BPS may exert a variety of toxicological effects and have the potential to induce oxidative stress. Nevertheless, few data are available for the in vivo effects of BPS on liver, an important target of drug toxicity. For the first time, our study systematically investigated the effects of BPS at a wide range of doses on liver function in mice upon oral administration. We found that treatment with 5000 MUg/kg BPS for 8 weeks resulted in liver injury with increased plasma levels of alanine aminotransferase, aspartate aminotransferase and total bilirubin, as well as defects in hepatic morphology. Moreover, such exposure to BPS induced oxidative stress in the liver of mice by decreasing activities of antioxidant enzymes, and increasing lipid peroxidation level and expression of two biomarker genes, HO-1 and GADD45B. No significant changes were observed for treatment with lower doses (5-500 MUg/kg) or shorter duration (4 weeks). In conclusion, subchronic BPS exposure could affect liver function in mice by inducing oxidative damage, indicating that BPS may be not an absolutely safe alternative to BPA. PMID- 29199065 TI - Safety evaluation of DAS-44406-6 soybeans in Wistar rats. AB - A 90-day in-country feeding trial in Wistar rats was conducted at Tianjin Laboratory in China to assess toxicity of diets containing DAS-44406-6 soybean meal. There were no treatment-related changes observed when compared with the non GM isoline control groups but histopathologically, 2 of 10 high-dose females were reported to show kidney lesions. However, these findings contrasted with the absence of any treatment-related kidney lesions in 3 separate 90-day toxicity studies previously conducted in Sprague Dawley rats. Strain difference is not expected in the kidney response, and based on the low incidence and contrary evidence from previous studies, it is likely that these lesions were of spontaneous origin, or artefactual. To determine that the lesions observed were not treatment-related in Wistar rats, a specific follow-up confirmatory study was conducted under Good Laboratory Practices (GLP) in the Wistar strain of rats following an identical study design to the Tianjin study. To increase the power of detecting effects, twice the number of animals per group (20/sex/group) were used, and no treatment-related kidney histopathological changes were observed. Based on these results and entire weight of evidence evaluation, it is concluded that the histopathological changes previously noted in the 2 female Wistar rats of Tianjin study were not treatment-related and that DAS-44406-6 soybeans are as safe as conventional non-GM soybeans. PMID- 29199066 TI - Abuse liability assessment for biologic drugs - All molecules are not created equal. AB - The development of novel drug candidates involves the thorough evaluation of potential efficacy and safety. To facilitate the safety assessment in light of global increases in prescription drug misuse/abuse, health authorities have developed guidance documents which provide a framework for evaluating the abuse liability of candidate therapeutics. The guidances do not distinguish between small molecules and biologics/biotherapeutics; however, there are key differences between these classes of therapeutics which are important drivers of concern for abuse. An analysis of these properties, including ability to distribute to the central nervous system, pharmacokinetic properties (e.g., half-life and metabolism), potential for off-target binding, and the physiochemical characteristics of biologic drug products suggests that the potential for abuse of a biologic is limited. Many marketed antibodies and recombinant proteins have been associated with adverse effects such as headache and dizziness. However, biologics have not historically engendered the rapid-onset psychoactive effects typically present for drugs of abuse, thus further underscoring their low risk for abuse potential. The factors to be taken into consideration before conducting nonclinical abuse liability studies with biologics are described herein; importantly, the aggregate assessment of these factors leads to the conclusion that abuse liability studies are unlikely to be necessary for this class of therapeutics. PMID- 29199067 TI - Pressure-induced microstructural changes in porcine tricuspid valve leaflets. AB - : Quantifying mechanically-induced changes in the tricuspid valve extracellular matrix (ECM) structural components, e.g. collagen fiber spread and distribution, is important as it determines the overall macro-scale tissue responses and subsequently its function/malfunction in physiological/pathophysiological states. For example, functional tricuspid regurgitation, a common tricuspid valve disorder, could be caused by elevated right ventricular pressure due to pulmonary hypertension. In such patients, the geometry and the normal function of valve leaflets alter due to chronic pressure overload, which could cause remodeling responses in the ECM and change its structural components. To understand such a relation, we developed an experimental setup and measured alteration of leaflet microstructure in response to pressure increase in porcine tricuspid valves using the small angle light scattering technique. The anisotropy index, a measure of the fiber spread and distribution, was obtained and averaged for each region of the anterior, posterior, and septal leaflet using four averaging methods. The average anisotropy indices (mean +/- standard error) in the belly region of the anterior, posterior, and septal leaflets of non-pressurized valves were found to be 12 +/- 2%, 21 +/- 3% and 12 +/- 1%, respectively. For the pressurized valve, the average values of the anisotropy index in the belly region of the anterior, posterior, and septal leaflets were 56 +/- 5%, 39 +/- 7% and 32 +/- 5%, respectively. Overall, the average anisotropy index was found to be higher for all leaflets in the pressurized valves as compared to the non-pressurized valves, indicating that the ECM fibers became more aligned in response to an increased ventricular pressure. STATEMENT OF SIGNIFICANCE: Mechanics plays a critical role in development, regeneration, and remodeling of tissues. In the current study, we have conducted experiments to examine how increasing the ventricular pressure leads to realignment of protein fibers comprising the extracellular matrix (ECM) of the tricuspid valve leaflets. Like many other tissues, in cardiac valves, cell matrix interactions and gene expressions are heavily influenced by changes in the mechanical microenvironment at the ECM/cellular level. We believe that our study will help us better understand how abnormal increases in the right ventricular pressure (due to pulmonary hypertension) could change the structural architecture of tricuspid valve leaflets and subsequently the mechanical microenvironment at the ECM/cellular level. PMID- 29199068 TI - Same Same But Different: Processing Words in the Aging Brain. AB - Reading is not only one of the most appreciated leisure activities of the elderly but it clearly helps older people to maintain functional independence, which has a significant impact on life quality. Yet, very little is known about how aging affects the neural circuits of the processes that underlie skilled reading. Therefore, the aim of the present study was to systematically investigate the neural correlates of sublexical, orthographic, phonological and lexico-semantic processing in the aging brain. Using functional magnetic resonance imaging, we recorded brain activity of younger (N = 20; 22-35 years) and older (N = 38; 65-76 years) adults during letter identification, lexical decision, phonological decision and semantic categorization. Older and younger adults recruited an identical set of reading-related brain regions suggesting that the general architecture of the reading network is preserved across the lifespan. However, we also observed age-related differences in brain activity in the subcomponents of the reading network. Age-related differences were most prominent during phonological and orthographic processing possibly due to a failure of older adults to inhibit non-optimal reading strategies. Neural effects of aging were also observed outside reading-related circuits, especially in frontal midline regions. These regions might be involved because of their important role in memory, attention and executive control functions and their potential role in resting-state networks. PMID- 29199069 TI - VGLUT1 Binding to Endophilin or Intersectin1 and Dynamin Phosphorylation in a Diurnal Context. AB - Glutamate is concentrated into synaptic vesicles (SV) by the vesicular glutamate transporters (VGLUT) 1 and 2. VGLUTs also harbor a Na+/Pi-transport activity when residing at the plasma membrane. Here we aimed to identify whether the diurnal switches of VGLUT1 parallels interactions with or modification of endocytic proteins. VGLUT1 and dynamin bind to SH3 domains of either endophilin (Enph) or intersectin 1 (ITSN1) harboring one or five SH3 domains A-E, respectively. We followed diurnal variations by pull down experiments using SH3 fusion protein and brains from mice entrained in a strict 24-h light-dark cycle (12-h light Zeitgeber (ZT) 0, 6; 12-h dark ZT 12 and 18). In pull downs with EnphSH3 interaction with VGLUT1 is high during the resting light and reduced during the active dark period while dynamin binding does not vary. This diurnal light/dark pattern depends on a functional period 2 gene and changes when animals are kept in complete darkness. Pull downs using ITSN1SH3 A reveal diurnally varying binding of VGLUT1 with slightly reduced VGLUT1/dynamin ratios at the beginning of the light (ZT 0) or the dark (ZT 12) period. Phosphorylation increases binding of VGLUT1 but not of dynamin to EnphSH3. In contrast binding of dynamin to ITSN1SH3 A decreases under phosphorylating conditions with no changes in VGLUT1 binding. Phosphorylation of dynamin at Ser 774 is high at ZT 6 and ZT 18 when more VGLUT1 is at the plasma membrane but low at ZT 0 and ZT 12 the diurnal peaks of VGLUT1 endocytosis. In conclusion the diurnally varying endocytosis of VGLUT1 involves differential interactions with the SH3 domains of Enph and ITSN1 and correlates with the de-phosphorylation of dynamin1. PMID- 29199070 TI - Anaesthetic efficacy of 4% articaine compared with 2% mepivacaine: a randomized, double-blind, crossover clinical trial. AB - The aim of this study was to evaluate the clinical efficacy of 4% articaine (Ar4) compared to 2% mepivacaine (Me2), both in combination with 1:100,000 epinephrine, in a unique soft tissue model. This was a randomized, double-blind, crossover clinical trial. The anaesthetic was applied to the lower lip using a computerized local delivery system. The following were evaluated: blood flow, thermal sensation, pressure and proprioception, extent of anaesthesia, gradual elimination, and the final duration of the effect of the anaesthesia. Seventy-two volunteers completed all parts of the study. Significant differences, which indicated better effectiveness of Me2 compared to Ar4, were observed in the following tests: reduction in blood flow (larger in the Me2 group); anaesthetized area at 30min (larger in the Me2 group); pressure tests; temperature tests after 20min; fine and discriminatory proprioception tests after 20min. The volunteers' perception of anaesthesia at 30, 40, 50, and 60min was superior for Me2 at all recorded time points. The duration of anaesthesia was also superior for Me2. The overall performance of Me2 was superior to Ar4, implying that Me2 provides a more effective anaesthesia in terms of depth, extent, and duration. PMID- 29199071 TI - In reference to "Central nervous system anomalies in craniofacial microsomia: a systematic review". PMID- 29199072 TI - Maternal Brain TNF-alpha Programs Innate Fear in the Offspring. AB - Tumor necrosis factor alpha (TNF-alpha) is a cytokine that not only coordinates local and systemic immune responses [1, 2] but also regulates neuronal functions. Most prominently, glia-derived TNF-alpha has been shown to regulate homeostatic synaptic scaling [3-6], but TNF-alpha-null mice exhibited no apparent cognitive or emotional abnormalities. Instead, we found a TNF-alpha-dependent intergenerational effect, as mothers with a deficit in TNF-alpha programmed their offspring to exhibit low innate fear. Cross-fostering and conditional knockout experiments indicated that a TNF-alpha deficit in the maternal brain, rather than in the hematopoietic system, and during gestation was responsible for the low fear offspring phenotype. The level of innate fear governs the balance between exploration/foraging and avoidance of predators and is thus fundamentally important in adaptation, fitness, and survival [7]. Because maternal exercise and activity are known to reduce both brain TNF-alpha [8] and offspring innate fear [9], whereas maternal stress has been reported to increase brain TNF-alpha [10] and offspring fear and anxiety [11, 12], maternal brain TNF-alpha may report environmental conditions to promote offspring behavioral adaptation to their anticipated postnatal environment. PMID- 29199074 TI - The Plastid Genome in Cladophorales Green Algae Is Encoded by Hairpin Chromosomes. AB - Virtually all plastid (chloroplast) genomes are circular double-stranded DNA molecules, typically between 100 and 200 kb in size and encoding circa 80-250 genes. Exceptions to this universal plastid genome architecture are very few and include the dinoflagellates, where genes are located on DNA minicircles. Here we report on the highly deviant chloroplast genome of Cladophorales green algae, which is entirely fragmented into hairpin chromosomes. Short- and long-read high throughput sequencing of DNA and RNA demonstrated that the chloroplast genes of Boodlea composita are encoded on 1- to 7-kb DNA contigs with an exceptionally high GC content, each containing a long inverted repeat with one or two protein coding genes and conserved non-coding regions putatively involved in replication and/or expression. We propose that these contigs correspond to linear single stranded DNA molecules that fold onto themselves to form hairpin chromosomes. The Boodlea chloroplast genes are highly divergent from their corresponding orthologs, and display an alternative genetic code. The origin of this highly deviant chloroplast genome most likely occurred before the emergence of the Cladophorales, and coincided with an elevated transfer of chloroplast genes to the nucleus. A chloroplast genome that is composed only of linear DNA molecules is unprecedented among eukaryotes, and highlights unexpected variation in plastid genome architecture. PMID- 29199073 TI - Theta Oscillations in the Human Medial Temporal Lobe during Real-World Ambulatory Movement. AB - The theta rhythm-a slow (6-12 Hz) oscillatory component of the local field potential-plays a critical role in spatial navigation and memory by coordinating the activity of neuronal ensembles within the medial temporal lobe (MTL). Although theta has been extensively studied in freely moving rodents, its presence in humans has been elusive and primarily investigated in stationary subjects. Here we used a unique clinical opportunity to examine theta within the human MTL during untethered, real-world ambulatory movement. We recorded intracranial electroencephalographic activity from participants chronically implanted with the wireless NeuroPace responsive neurostimulator (RNS) and tracked their motion with sub-millimeter precision. Our data revealed that movement-related theta oscillations indeed exist in humans, such that theta power is significantly higher during movement than immobility. Unlike in rodents, however, theta occurs in short bouts, with average durations of ~400 ms, which are more prevalent during fast versus slow movements. In a rare opportunity to study a congenitally blind participant, we found that both the prevalence and duration of theta bouts were increased relative to the sighted participants. These results provide critical support for conserved neurobiological characteristics of theta oscillations during ambulatory spatial navigation, while highlighting some fundamental differences across species in these oscillations between humans and rodents. PMID- 29199075 TI - Nigrotectal Stimulation Stops Interval Timing in Mice. AB - Considerable evidence implicates the basal ganglia in interval timing, yet the underlying mechanisms remain poorly understood. Using a novel behavioral task, we demonstrate that head-fixed mice can be trained to show the key features of timing behavior within a few sessions. Single-trial analysis of licking behavior reveals stepping dynamics with variable onset times, which is responsible for the canonical Gaussian distribution of timing behavior. Moreover, the duration of licking bouts decreased as mice became sated, showing a strong motivational modulation of licking bout initiation and termination. Using optogenetics, we examined the role of the basal ganglia output in interval timing. We stimulated a pathway important for licking behavior, the GABAergic output projections from the substantia nigra pars reticulata to the deep layers of the superior colliculus. We found that stimulation of this pathway not only cancelled licking but also delayed the initiation of anticipatory licking for the next interval in a frequency-dependent manner. By combining quantitative behavioral analysis with optogenetics in the head-fixed setup, we established a new approach for studying the neural basis of interval timing. PMID- 29199076 TI - Tension-Dependent Stretching Activates ZO-1 to Control the Junctional Localization of Its Interactors. AB - Tensile forces regulate epithelial homeostasis, but the molecular mechanisms behind this regulation are poorly understood. Using structured illumination microscopy and proximity ligation assays, we show that the tight junction protein ZO-1 exists in stretched and folded conformations within epithelial cells, depending on actomyosin-generated force. We also show that ZO-1 and ZO-2 regulate the localization of the transcription factor DbpA and the tight junction membrane protein occludin in a manner that depends on the organization of the actin cytoskeleton, myosin-II activity, and substrate stiffness, resulting in modulation of gene expression, cell proliferation, barrier function, and cyst morphogenesis. Pull-down experiments show that interactions between N-terminal (ZPSG) and C-terminal domains of ZO-1 prevent binding of DbpA to the ZPSG, suggesting that force-dependent intra-molecular interactions regulate ZPSG binding to ligands within cells. In vivo and in vitro experiments also suggest that ZO-1 heterodimerization with ZO-2 promotes the stretched conformation and ZPSG interaction with ligands. Magnetic tweezers single-molecule experiments suggest that pN-scale tensions (~2-4 pN) are sufficient to maintain the stretched conformation of ZO-1, while keeping its structured domains intact, and that 5-20 pN force is required to disrupt the interaction between the extreme C-terminal and the ZPSG domains of ZO-1. We propose that tensile forces regulate epithelial homeostasis by activating ZO proteins through stretching, to control the junctional recruitment and downstream signaling of their interactors. PMID- 29199077 TI - Evolution and Genetics of Precocious Burrowing Behavior in Peromyscus Mice. AB - A central challenge in biology is to understand how innate behaviors evolve between closely related species. One way to elucidate how differences arise is to compare the development of behavior in species with distinct adult traits [1]. Here, we report that Peromyscus polionotus is strikingly precocious with regard to burrowing behavior, but not other behaviors, compared to its sister species P. maniculatus. In P. polionotus, burrows were excavated as early as 17 days of age, whereas P. maniculatus did not build burrows until 10 days later. Moreover, the well-known differences in burrow architecture between adults of these species-P. polionotus adults excavate long burrows with an escape tunnel, whereas P. maniculatus dig short, single-tunnel burrows [2-4]-were intact in juvenile burrowers. To test whether this juvenile behavior is influenced by early-life environment, we reciprocally cross-fostered pups of both species. Fostering did not alter the characteristic burrowing behavior of either species, suggesting that these differences are genetic. In backcross hybrids, we show that precocious burrowing and adult tunnel length are genetically correlated and that a P. polionotus allele linked to tunnel length variation in adults is also associated with precocious onset of burrowing in juveniles, suggesting that the same genetic region-either a single gene with pleiotropic effects or linked genes-influences distinct aspects of the same behavior at these two life stages. These results raise the possibility that genetic variants affect behavioral drive (i.e., motivation) to burrow and thereby affect both the developmental timing and adult expression of burrowing behavior. PMID- 29199078 TI - Ocean-wide Drivers of Migration Strategies and Their Influence on Population Breeding Performance in a Declining Seabird. AB - Which factors shape animals' migration movements across large geographical scales, how different migratory strategies emerge between populations, and how these may affect population dynamics are central questions in the field of animal migration [1] that only large-scale studies of migration patterns across a species' range can answer [2]. To address these questions, we track the migration of 270 Atlantic puffins Fratercula arctica, a red-listed, declining seabird, across their entire breeding range. We investigate the role of demographic, geographical, and environmental variables in driving spatial and behavioral differences on an ocean-basin scale by measuring puffins' among-colony differences in migratory routes and day-to-day behavior (estimated with individual daily activity budgets and energy expenditure). We show that competition and local winter resource availability are important drivers of migratory movements, with birds from larger colonies or with poorer local winter conditions migrating further and visiting less-productive waters; this in turn led to differences in flight activity and energy expenditure. Other behavioral differences emerge with latitude, with foraging effort and energy expenditure increasing when birds winter further north in colder waters. Importantly, these ocean-wide migration patterns can ultimately be linked with breeding performance: colony productivity is negatively associated with wintering latitude, population size, and migration distance, which demonstrates the cost of competition and migration on future breeding and the link between non-breeding and breeding periods. Our results help us to understand the drivers of animal migration and have important implications for population dynamics and the conservation of migratory species. PMID- 29199079 TI - Nociceptive Cortical Activity Is Dissociated from Nociceptive Behavior in Newborn Human Infants under Stress. AB - Newborn infants display strong nociceptive behavior in response to tissue damaging stimuli, and this is accompanied by nociceptive activity generated in subcortical and cortical areas of the brain [1, 2]. In the absence of verbal report, these nociceptive responses are used as measures of pain sensation in newborn humans, as they are in animals [3, 4]. However, many infants are raised in a physiologically stressful environment, and little is known about the effect of background levels of stress upon their pain responses. In adults, acute physiological stress causes hyperalgesia [5-7], and increased background stress increases pain [8-10], but these data cannot necessarily be extrapolated to infants. Here we have simultaneously measured nociceptive behavior, brain activity, and levels of physiological stress in a sample of 56 newborn human infants aged 36-42 weeks. Salivary cortisol (hypothalamic pituitary axis), heart rate variability (sympathetic adrenal medullary system), EEG event-related potentials (nociceptive cortical activity), and facial expression (behavior) were acquired in individual infants following a clinically required heel lance. We show that infants with higher levels of stress exhibit larger amplitude cortical nociceptive responses, but this is not reflected in their behavior. Furthermore, while nociceptive behavior and cortical activity are normally correlated, this relationship is disrupted in infants with high levels of physiological stress. Brain activity evoked by noxious stimulation is therefore enhanced by stress, but this cannot be deduced from observation of pain behavior. This may be important in the prevention of adverse effects of early repetitive pain on brain development. PMID- 29199080 TI - Improved Modeling of Compositional Heterogeneity Supports Sponges as Sister to All Other Animals. AB - The relationships at the root of the animal tree have proven difficult to resolve, with the current debate focusing on whether sponges (phylum Porifera) or comb jellies (phylum Ctenophora) are the sister group of all other animals [1-5]. The choice of evolutionary models seems to be at the core of the problem because Porifera tends to emerge as the sister group of all other animals ("Porifera sister") when site-specific amino acid differences are modeled (e.g., [6, 7]), whereas Ctenophora emerges as the sister group of all other animals ("Ctenophora sister") when they are ignored (e.g., [8-11]). We show that two key phylogenomic datasets that previously supported Ctenophora-sister [10, 12] display strong heterogeneity in amino acid composition across sites and taxa and that no routinely used evolutionary model can adequately describe both forms of heterogeneity. We show that data-recoding methods [13-15] reduce compositional heterogeneity in these datasets and that models accommodating site-specific amino acid preferences can better describe the recoded datasets. Increased model adequacy is associated with significant topological changes in support of Porifera-sister. Because adequate modeling of the evolutionary process that generated the data is fundamental to recovering an accurate phylogeny [16-20], our results strongly support sponges as the sister group of all other animals and provide further evidence that Ctenophora-sister represents a tree reconstruction artifact. VIDEO ABSTRACT. PMID- 29199081 TI - Robotic finger perturbation training improves finger postural steadiness and hand dexterity. AB - The purpose of the study was to understand the effect of robotic finger perturbation training on steadiness in finger posture and hand dexterity in healthy young adults. A mobile robotic finger training system was designed to have the functions of high-speed mechanical response, two degrees of freedom, and adjustable loading amplitude and direction. Healthy young adults were assigned to one of the three groups: random perturbation training (RPT), constant force training (CFT), and control. Subjects in RPT and CFT performed steady posture training with their index finger using the robot in different modes: random force in RPT and constant force in CFT. After the 2-week intervention period, fluctuations of the index finger posture decreased only in RPT during steady position-matching tasks with an inertial load. Purdue pegboard test score improved also in RPT only. The relative change in finger postural fluctuations was negatively correlated with the relative change in the number of completed pegs in the pegboard test in RPT. The results indicate that finger posture training with random mechanical perturbations of varying amplitudes and directions of force is effective in improving finger postural steadiness and hand dexterity in healthy young adults. PMID- 29199082 TI - DACT2 Epigenetic Stimulator Exerts Dual Efficacy for Colorectal Cancer Prevention and Treatment. AB - DACT2, a tumor suppressor gene in various tumors, is frequently down-regulated via hypermethylation. We found DACT2 gene expressions were dramatically silenced (P = 0.002, n = 8) in our clinical colorectal cancer (CRC) tissues, and TCGA data revealed DACT2 hypermethylation correlated to CRC poor prognosis (P = 0.0129, HR = 0.2153, n = 248). Thus, by screening twelve nutritional compounds, we aimed to find out an effective DACT2 epigenetic stimulator to determine whether DACT2 epigenetic restoration could reverse CRC tumorigenesis. We found that kaempferol significantly increased DACT2 expressions up to 3.47-fold in three CRC cells (HCT116, HT29, and YB5). Furthermore, kaempferol remarkably decreased DACT2 methylation (range: 19.58%-67.00%, P < 0.01), while increased unmethylated DACT2 by 13.72-fold (P < 0.01) via directly binding to DNA methyltransferases DNMT1. By epigenetic reactivating DACT2 transcription, kaempferol notably inhibited nuclear beta-catenin expression to inactivate Wnt/beta-catenin pathway, which consequently restricted CRC cells proliferation and migration. Moreover, in AOM/DSS-induced CRC tumorigenesis, kaempferol-demethylated DACT2 effectively decreased tumor load (range: 50.00%-73.52%, P < 0.05). By determining the chemopreventive and chemotherapeutic efficacy of a novel DACT2 demethylating stimulator, we demonstrated that DACT2 epigenetic restoration could successfully slow down and reverse CRC tumorigenesis. PMID- 29199083 TI - Factors Correlating With Microsurgical Performance: A Clinical and Experimental Study. AB - BACKGROUND: Microsurgery is one the most complex surgical skills to master. The factors correlating with microsurgical performance, however, are poorly understood. Understanding these factors will aid in the training and assessment of microsurgeons. METHODS: A total of 29 microsurgery fellows enrolled in a dedicated 1-year microsurgery fellowship were included in the study. For the clinical evaluations, microsurgical anastomosis performance was evaluated during multiple procedures in the operating room at the start, midpoint, and end of the fellowship by all departmental faculty using a validated microsurgical assessment tool. For the laboratory evaluations, blinded video recordings of each fellow performing an arterial femoral anastomosis in a live rat model at the start and end of the fellowship were evaluated using 3 validated microsurgical global ratings scale tools. Correlations between performance and the factors assessed by the tools were evaluated. RESULTS: In the clinical study there were a total of 474 anastomosis evaluations; clinical performance correlated best with speed, instrument handling, and motion. In the laboratory study 58 evaluations were conducted, and performance tracked most closely with instrument handling, flow of operation, and operative steps, as well as correlating significantly inversely with time taken. The most common errors committed were unequal stitch bites, wrong grasp/damage tissue, and loose knot. CONCLUSIONS: Speed, both subjective and objective, instrument handling, operative flow, and motion, were relevant to performance of a microsurgical anastomosis. A prospective trial is now necessary to determine whether these factors should be considered in definitions of competency in microsurgery training pathways. PMID- 29199084 TI - Ethnicity influences cardiovascular outcomes and complications in patients with type 2 diabetes. AB - AIM: To determine whether cardiovascular outcomes in type 2 diabetes (T2D) differ according to ethnicity, and whether ethnicity influences the effect of gender on these outcomes in Caucasians, East-Southeast-Asians, Middle-Easterners, South Asians and Pacific-Islanders. METHODS: We compared demographics, HbA1c, lipid profile, renal function markers, and prevalence of macrovascular and microvascular complications between ethnic groups. Cross-sectional data was prospectively collected from 204 consecutive patients at Westmead Hospital's T2D clinic from April-October 2015. Univariate analysis was performed using chi squared test for categorical data, and Mann-Whitney-U or Kruskal-Wallis test for continuous data. RESULTS: Compared to Caucasians, South-Asians were diagnosed younger, were currently younger, had lower body-mass-index (BMI) and better renal function but higher rates of non-ST-elevation myocardial infarction (STEMI, 21.7% versus 3.5%, p<0.05). East-Southeast-Asians had lower BMI but more nephropathy than Caucasians (59% versus 39%, p<0.05). East-Southeast-Asian males had fewer CVD than Caucasians, but this protection was absent in East-Southeast-Asian females. Middle-Easterners had more non-STEMI than Caucasians (5.3% vs 3.5%, p<0.05). Middle-Eastern females were not at lower CVD risk than males. Caucasians had most PVD (20% versus 6%, p<0.05). CONCLUSIONS: Ethnicity influences rates of diabetes-related complications. Female CVD protection is altered in some groups. Ethnicity should be considered in assessing CVD and complications risk. PMID- 29199085 TI - Diagnostic Performance of Mammographic Texture Analysis in the Differential Diagnosis of Benign and Malignant Breast Tumors. AB - BACKGROUND: The purpose of this study was to investigate the diagnostic performance of mammographic texture analysis in the differential diagnosis of benign and malignant breast tumors. PATIENTS AND METHODS: Digital mammography images were obtained from the Picture Archiving and Communication System at our institute. Texture features of mammographic images were calculated. Mann-Whitney U test was used to identify differences between the benign and malignant group. The receiver operating characteristic (ROC) curve analysis was used to assess the diagnostic performance of texture features. RESULTS: Significant differences of texture features of histogram, gray-level co-occurrence matrix (GLCM) and run length matrix (RLM) were found between the benign and malignant breast group (P < .05). The area under the ROC (AUROC) of histogram, GLCM, and RLM were 0.800, 0.787, and 0.761, with no differences between them (P > .05). The AUROCs of imaging-based diagnosis, texture analysis, and imaging-based diagnosis combined with texture analysis were 0.873, 0.863, and 0.961, respectively. When imaging based diagnosis was combined with texture analysis, the AUROC was higher than that of imaging-based diagnosis or texture analysis (P < .05). CONCLUSION: Mammographic texture analysis is a reliable technique for differential diagnosis of benign and malignant breast tumors. Furthermore, the combination of imaging based diagnosis and texture analysis can significantly improve diagnostic performance. PMID- 29199086 TI - Treatment Patterns and Outcomes of Patients With Metastatic ER+/HER-2- Breast Cancer: A Multicountry Retrospective Medical Record Review. AB - PURPOSE: To describe treatment patterns and clinical outcomes among postmenopausal women with metastatic ER+/HER-2- breast cancer treated with >= 2 lines of endocrine therapy or chemotherapy in the metastatic setting. PATIENTS AND METHODS: Retrospective medical record review was conducted in Canada, the United Kingdom, Belgium, the Netherlands, Germany, Spain, and France. Baseline characteristics were assessed at the date of metastatic diagnosis. Time to progression (TTP) and overall survival (OS) were estimated by Kaplan-Meier analyses. Multivariable models were used to evaluate factors associated with disease progression. RESULTS: Among 901 patients, the mean (standard deviation) age at metastatic diagnosis was 62.7 (9.7) years; 67.26% were initially diagnosed with metastatic disease, 66.37% had visceral disease, and 25.86% had bone metastasis only. Two-thirds of patients received endocrine therapy for first-line treatment. Fifty-nine percent received endocrine therapy, and 37.18% received chemotherapy for second-line treatment. The most common reason for stopping treatment was disease progression. Median (95% confidence interval [CI]) TTP on first-line endocrine treatment was 11.3 (10.7-12.2) months and 7.0 (6.3-7.9) months on chemotherapy. Median (95% CI) TTP on second-line endocrine therapy was 8.1 (7.5-9.1) months and 6.1 (5.4-6.8) months on chemotherapy. Median (95% CI) OS was 68.6 (52.2-83.7) months after first-line endocrine therapy and 39.7 (34.5 48.7) months after chemotherapy. CONCLUSION: Patients prescribed endocrine therapy had longer TTP and OS than patients prescribed chemotherapy in the first- and second-line settings. Disease progression was less than a year regardless of treatment type and line of therapy, indicating a need for treatments that delay progression without affecting quality of life among these patients. PMID- 29199087 TI - Primary total knee arthroplasty for acute fracture around the knee. AB - Relatively poor results have been reported with open reduction and internal fixation of complex fractures around the knee in elderly osteoporotic patients, and primary total knee arthroplasty (TKA) has been proposed as an alternative solution. While limiting the number of procedures, it meets two prerequisites: (1) to save the patient's life, thanks to early weight-bearing, to limit decubitus complications; and (2) to save knee function and patient autonomy, thanks to early knee mobilization. There are 3 main indications: complex articular fractures in elderly patients with symptomatic osteoarthritis prior to fracture; complex articular fractures of the tibial plateau in elderly patients whose bone quality makes internal fixation hazardous; and major destruction of the distal femur in younger patients. Although admitted in emergency, these patients require adequate preoperative management, including a multidisciplinary approach to manage comorbidities, control of anemia and pain, and assessment and management of vascular and cutaneous conditions. Preoperative planning is crucial, to order appropriate implants and materials that may be needed intraoperatively. Surgical technique is based on the basic principles of revision surgery as regards choice of implant, steps of reconstruction, bone defect management and implant fixation. For complex fractures of the distal femur, primary temporary reduction is a useful "trick", to determine the level of the joint line and femoral rotation. Complementary internal fixation may be required in case of diaphyseal extension of the fracture and to prevent inter-prosthetic fractures. In the literature, the results of primary TKA for fracture are encouraging and better than for secondary TKA after failure of non-operative treatment or internal fixation, with lower rates of revision and complications, earlier full weight-bearing and better functional results. Loss of autonomy is, however, frequent, and 1-year mortality is high, especially following complex femoral fractures in the elderly. PMID- 29199088 TI - A MicroRNA Signature Associated With Metastasis of T1 Colorectal Cancers to Lymph Nodes. AB - Most T1 colorectal cancers treated by radical surgery can now be cured by endoscopic submucosal dissection. Although 70%-80% of T1 colorectal cancers are classified as high risk, <16% of these patients actually have lymph node metastases. Biomarkers are needed to identify patients with T1 cancers with the highest risk of metastasis, to prevent unnecessary radical surgery. We collected data from The Cancer Genome Atlas and identified 5 microRNAs (MIR32, MIR181B, MIR193B, MIR195, and MIR411) with significant changes in expression in T1 and T2 colorectal cancers with vs without lymph node metastases. Levels of the 5 microRNAs identified patients with lymph node invasion by T1 or T2 cancers with an area under the receiver operating characteristic curve (AUROC) value of 0.84. We validated these findings in 2 cohorts of patients with T1 cancers, using findings from histology as the reference. The 5-microRNA signature identified T1 cancers with lymph node invasion in cohort 1 with an AUROC value of 0.83, and in cohort 2 with an AUROC value of 0.74. When we analyzed biopsy samples from untreated patients, the 5-microRNA signature identified cancers with lymph node metastases with an AUROC value of 0.77. The 5-microRNA therefore identifies high risk T1 colorectal cancers with a greater degree of accuracy than currently used pathologic features. PMID- 29199089 TI - Applying asymptotic methods to synthetic biology: Modelling the reaction kinetics of the mevalonate pathway. AB - The mevalonate pathway is normally found in eukaryotes, and allows for the production of isoprenoids, a useful class of organic compounds. This pathway has been successfully introduced to Escherichia coli, enabling a biosynthetic production route for many isoprenoids. In this paper, we develop and solve a mathematical model for the concentration of metabolites in the mevalonate pathway over time, accounting for the loss of acetyl-CoA to other metabolic pathways. Additionally, we successfully test our theoretical predictions experimentally by introducing part of the pathway into Cupriavidus necator. In our model, we exploit the natural separation of time scales as well as of metabolite concentrations to make significant asymptotic progress in understanding the system. We confirm that our asymptotic results agree well with numerical simulations, the former enabling us to predict the most important reactions to increase isopentenyl diphosphate production whilst minimizing the levels of HMG CoA, which inhibits cell growth. Thus, our mathematical model allows us to recommend the upregulation of certain combinations of enzymes to improve production through the mevalonate pathway. PMID- 29199090 TI - Voluntary vaccination dilemma with evolving psychological perceptions. AB - Voluntary vaccination is a universal control protocol for infectious diseases. Yet there exists a social dilemma between individual benefits and public health: non-vaccinators free ride via the herd immunity from adequate vaccinators who bear vaccination cost. This is due to the interplay between disease prevalence and individual vaccinating behavior. To complicate matters further, individual vaccinating behavior depends on the perceived vaccination cost rather than the actual one. The perception of vaccination cost is an individual trait, which varies from person to person, and evolves in response to the disease prevalence and vaccination coverage. To explore how evolving perception shapes individual vaccinating behavior and thus the vaccination dynamics, we provide a model combining epidemic dynamics with evolutionary game theory which captures the voluntary vaccination dilemma. In particular, individuals adjust their perception based on the inertia effect in psychology and then update their vaccinating behavior through imitating the behavior of a more successful peer. We find that i) vaccination is acceptable when the expected vaccination cost considering perception and actual vaccination cost is less than the maximum of the expected non-vaccination cost; ii) the evolution of perception is a "double-edged sword" for vaccination dynamics: it can improve vaccination coverage when most individuals perceive exaggerated vaccination cost, and it inhibits vaccination coverage in the other cases. PMID- 29199091 TI - Nonpalpable testes: Ultrasound and contralateral testicular hypertrophy predict the surgical access, avoiding unnecessary laparoscopy. AB - INTRODUCTION: In up to 20% of patients presenting with undescended testes, one or both are non-palpable. Whereas the most reliable means to exclude an abdominal testis is laparoscopy, there has been a lot of debate about the role of inguinal ultrasound (US) in detecting non-palpable inguinal testis. While we do not aim to add another paper claiming the benefits of US, we wanted to determine the excess capability of US to determine the correct surgical approach - inguinal or laparoscopy. In the light of avoiding unnecessary diagnostic laparoscopies, even the cost-effectiveness raised in many current papers might be called into question. PATIENTS AND METHODS: Of a total of 684 boys who underwent surgery for undescended testes at our department between 2011 and 2014, in 58 (8.5%), one or both testes were neither palpable preoperatively nor under general anesthesia. These boys were examined by two experienced pediatric urologists clinically as well as by US. Besides the size of the contralateral testis, the presence of a testis in the inguinal channel was investigated. The additional impact of US over clinical exam and consideration of the size of the contralateral testis was assessed by means of intra-individual comparisons using Cochran-Q as well as McNemar tests. RESULTS: Clinical exam without considering the size of the contralateral testis had a sensitivity of 9% (95% CI 2-24%) and a specificity of 100% (95% CI 86-100%) to accurately predict the surgical approach deemed appropriate postoperatively. The consideration of the size of the contralateral testis - taken as an isolated factor - accurately predicted the surgical approach with a sensitivity of 21% (95% CI 9-38%) and a specificity of 88% (95% CI 68 97%). Ultrasound accounted for a sensitivity of 53% (95% CI 35-70%) and a specificity of 100% (95% CI 86-100%). The addition of US increased the sensitivity to correctly predict an inguinal incision from 29% to 71% and specificity slightly increased from 88% to 92%. This difference is significant (p = 0.008) in the bilateral McNemar test (Figure). CONCLUSION: Inguinal US of non palpable testes and measurement of the contralateral testis are synergistic in predicting the surgical approach. The addition of ultrasound to a clinical exam, performed also under general anesthesia and by an experienced pediatric urologist significantly increases the prediction of the correct surgical approach. Our results translate into five boys needing an US of the NPT to prevent one laparoscopy. Whereas cost-effectiveness of US might be debatable in regard to different healthcare systems, it is proven to be an effective, non-harmful tool to avoid unnecessary diagnostic laparoscopies. PMID- 29199092 TI - Occupational noise exposure and hypertension: the Dongfeng-Tongji Cohort Study. AB - The association between occupational noise exposure and hypertension is unclear. We aimed to explore the association in a Chinese population and to summarize our findings with previous published articles. The cross-sectional study included 22,450 participants from Dongfeng-Tongji Cohort Study. In a subsample of 10,636 subjects, we assessed the association between hearing loss and hypertension. For the meta-analysis, we searched PubMed and EMBASE until April 2017, and the pooled odds ratio (OR) was combined using a random effect model. Compared with participants without occupational noise exposure, the risk of hypertension was significantly higher for noise exposure duration >=20 (OR = 1.09, 95% confidence interval [CI] = 1.00-1.18). In the sex-specific analysis, the association was only significantly pronounced in males (OR = 1.16, 95% CI = 1.03-1.31), but not in females (OR = 1.01, 95% CI = 0.88-1.14). In the subsample analyses, hearing loss, which was an indicator for exposure to loud noise, was associated with a higher risk of hypertension, especially for participants who were bilateral hearing loss (OR = 1.39, 95% CI = 1.24-1.54). In the meta-analysis, the pooled OR for the association between occupational noise exposure and hypertension was 1.25 (95% CI = 1.10-1.42). On the basis of an indicator for exposure to occupational noise, the cross-sectional study and meta-analysis identified occupational noise exposure as a potential risk factor for increased hypertension risk. PMID- 29199093 TI - Evolutionary epistemology: Reviewing and reviving with new data the research programme for distributed biological intelligence. AB - Numerous studies in microbiology, eukaryotic cell biology, plant biology, biomimetics, synthetic biology, and philosophy of science appear to support the principles of the epistemological theory inspired by evolution, also known as "Evolutionary Epistemology", or EE. However, that none of the studies acknowledged EE suggests that its principles have not been formulated with sufficient clarity and depth to resonate with the interests of the empirical research community. In this paper I review evidence in favor of EE, and also reformulate EE principles to better inform future research. The revamped programme may be tentatively called Research Programme for Distributed Biological Intelligence. Intelligence I define as the capacity of organisms to gain information about their environment, process that information internally, and translate it into phenotypic forms. This multistage progression may be expressed through the acronym IGPT (information-gain-process-translate). The key principles of the programme may be summarized as follows. (i) Intelligence, a universal biological phenomenon promoting individual fitness, is required for effective organism-environment interactions. Given that animals represent less than 0.01% of the planetary biomass, neural intelligence is not the evolutionary norm. (ii) The basic unit of intelligence is a single cell prokaryote. All other forms of intelligence are derived. (iii) Intelligence is hierarchical. It ranges from bacteria to the biosphere or Gaia. (iv) The concept of "information" acquires a new meaning because information processing is at the heart of biological intelligence. All biological systems, from bacteria to Gaia, are intelligent, open thermodynamic systems that exchange information, matter and energy with the environment. (v) The organism-environment interaction is cybernetic. As much as the organism changes due to the influence of the environment, the organism's responses to induced changes affect the environment and subsequent organism environment interactions. Based on the above principles a new research agenda can be formulated to explore different forms of biological intelligence. PMID- 29199094 TI - alpha-Conotoxins to explore the molecular, physiological and pathophysiological functions of neuronal nicotinic acetylcholine receptors. AB - The vast diversity of neuronal nicotinic acetylcholine subunits expressed in the central and peripheral nervous systems, as well as in non-neuronal tissues, constitutes a formidable challenge for researchers and clinicians to decipher the role of particular subtypes, including complex subunit associations, in physiological and pathophysiological functions. Many natural products target the nAChRs, but there is no richer source of nicotinic ligands than the venom of predatory gastropods known as cone snails. Indeed, every single species of cone snail was shown to produce at least one type of such alpha-conotoxins. These tiny peptides (10-25 amino acids), constrained by disulfide bridges, proved to be unvaluable tools to investigate the structure and function of nAChRs, some of them having also therapeutic potential. In this review, we provide a recent update on the pharmacology and subtype specificity of several major alpha conotoxins. PMID- 29199095 TI - Analysis of white matter characteristics with tract-based spatial statistics according to diffusion tensor imaging in early Parkinson's disease. AB - OBJECTIVE: To analyze the microstructure of brain white matter according to diffusion tensor imaging (DTI) based on tract-based spatial statistics (TBSS) in early Parkinson's disease (PD). MATERIALS AND METHODS: A total of 31 age- and sex matched early PD patients and 22 healthy volunteers were recruited in the present study. DTI was performed, and the data analyzed with fsl4.0 software. The fractional anisotropy (FA) was compared between both groups with an independent t test, and the differential area was analyzed. White matter fiber tracts with significant difference in FA between the two groups were selected, and their FAs were measured. Pearson's correlation analysis was employed to analyze the unified Parkinson's disease rating scale (UPDRS) score and its association with FA of different tracts. RESULTS: When compared with healthy volunteers, early PD patients had reduced FA in the following areas: bilateral anterior corona radiate, upper corona radiate, fasciculus arcuatus, crus anterius capsulae internae, crus posterius capsulae internae, capsula externa, posterior thalamic radiation, optic radiation, sagittal layer (including fasciculus arcuatus and inferior fronto-occipital fasciculus), crura fornicis, stria terminalis, fornix, genu, body and pad of corpus callosum, left unciform fasciculus, right cingulate bundle, right medipeduncle, and arcuate fibers in the bilateral frontal, temporal, and occipital lobes (P < 0.05). When compared with healthy volunteers, early PD patients showed abnormal FA of fasciculus in the white matter mainly in following areas: bilateral crus anterius capsulae internae, bilateral capsula externa, right anterior corona radiate, body and pad of bilateral corpus callosum, and left sagittal layer (including fasciculi longitudinalis inferior and fasciculus occipitofrontalis inferior) (P < 0.05). In addition, in early PD patients, the UPDRS score and movement score had no relationship with the FA of different fasciculi in the white matter (P > 0.05). CONCLUSION: There is wide alteration of white matter microstructure in early PD patients, which is characterized by disruption of projection fibers in the descending pathway, limbic system-related fasciculi, corpus callosum, thalamus after radiation, posterior thalamic radiation, Gratiolet's bundle and other fasciculi in the white matter. PMID- 29199096 TI - Sexual Recovery Following Prostate Cancer: Recommendations From 2 Established Canadian Sexual Rehabilitation Clinics. AB - INTRODUCTION: Supportive sexual health care is much-needed adjuvant care to oncologic management for men with prostate cancer (PCa). AIM: To inspire the initiation of biopsychosocial sexual health programming where it does not exist and to inform program enhancement in existing sexual rehabilitation clinics (SRCs). METHODS: This article reviews the combined 30-year experience of 2 well established Canadian SRCs for men and their partners after PCa treatments, interwoven with empirical evidence. MAIN OUTCOME MEASURE: To comprehensively review the biopsychosocial approach to sexual health assessment of men with PCa and their partners to direct the practicalities of running a successful and sustainable SRC. RESULTS: A full description of the biomedical and psychosocial approaches, inclusive of comprehensive sexual function, the penile rehabilitation controversy, and other medical and relationship issues affecting sexual adjustment, is provided to highlight the relevance of proper assessment and follow-through for sexual adaptation and adjustment. 10 recommendations for a successful SRC are discussed, including the principles behind developing a sustainable business plan, staff acquisition and training, budget, integration of treatment and research priorities, respectful and multidisciplinary approaches to care, and suggestions of visit formats, protocols, and questionnaires. We recommend a phased approach of an SRC into usual care with the option to provide accessible and equitable care to patients not within proximal access of treating institutions. CONCLUSION: Sexual rehabilitation after treatment for PCa requires a complex treatment process. Providing sustainable sexual rehabilitation programming under the financially strained environment of the Canadian medical system is a challenge; therefore, to provide Canadian patients and their partners with comprehensive cancer care, they deserve a biopsychosocial approach combined with a creative and systematic implementation strategy. Elliott S, Matthew A. Sexual Recovery Following Prostate Cancer: Recommendations From 2 Established Canadian Sexual Rehabilitation Clinics. Sex Med Rev 2018;6:279-294. PMID- 29199097 TI - Coagulase-Negative Staphylococcal Strain Prevents Staphylococcus aureus Colonization and Skin Infection by Blocking Quorum Sensing. AB - Coagulase-negative staphylococci (CoNS) and Staphylococcus aureus are part of the natural flora of humans and other mammals. We found that spent media from the CoNS species Staphylococcus caprae can inhibit agr-mediated quorum sensing by all classes of S. aureus. A biochemical assessment of the inhibitory activity suggested that the S. caprae autoinducing peptide (AIP) was responsible, and mass spectrometric analysis identified the S. caprae AIP as an eight-residue peptide (YSTCSYYF). Using a murine model of intradermal MRSA infection, the therapeutic efficacy of synthetic S. caprae AIP was evident by a dramatic reduction in both dermonecrotic injury and cutaneous bacterial burden relative to controls. Competition experiments between S. caprae and MRSA demonstrated a significant reduction in MRSA burden using murine models of both skin colonization and intradermal infection. Our findings indicate that important interactions occur between commensals that can impact disease outcomes and potentially shape the composition of the natural flora. PMID- 29199099 TI - Prevention of HIV transmission by antiretroviral therapy. PMID- 29199098 TI - Antibiotic-Induced Changes to the Host Metabolic Environment Inhibit Drug Efficacy and Alter Immune Function. AB - Bactericidal antibiotics alter microbial metabolism as part of their lethality and can damage mitochondria in mammalian cells. In addition, antibiotic susceptibility is sensitive to extracellular metabolites, but it remains unknown whether metabolites present at an infection site can affect either treatment efficacy or immune function. Here, we quantify local metabolic changes in the host microenvironment following antibiotic treatment for a peritoneal Escherichia coli infection. Antibiotic treatment elicits microbiome-independent changes in local metabolites, but not those distal to the infection site, by acting directly on host cells. The metabolites induced during treatment, such as AMP, reduce antibiotic efficacy and enhance phagocytic killing. Moreover, antibiotic treatment impairs immune function by inhibiting respiratory activity in immune cells. Collectively, these results highlight the immunomodulatory potential of antibiotics and reveal the local metabolic microenvironment to be an important determinant of infection resolution. PMID- 29199101 TI - Versatility of putative aromatic aminotransferases from Candida albicans. AB - Amino acids constitute the key sources of nitrogen for growth of Candida albicans. In order to survive inside the host in different and rapidly changing environments, this fungus must be able to adapt via its expression of genes for amino acid metabolism. We analysed the ARO8, ARO9, YER152C, and BNA3 genes with regards to their role in the nutritional flexibility of C. albicans. CaAro8p is undoubtedly the most versatile enzyme among the aminotransferases investigated. It is involved in the catabolism of histidine, lysine, and aromatic amino acids as well as in l-Lys, Phe and Tyr biosynthesis. CaAro9p participates in the catabolism of aromatic amino acids and lysine at high concentrations of these compounds, with no biosynthetic role. Conversely, the CaYer152Cp catalytic potential for aromatic amino acid catabolism observed in vitro appears to be of little importance in vivo. Neither biosynthetic nor catabolic roles of CaBan3p were observed for any proteinogenic amino acid. Finally, none of the analysed aminotransferases was solely responsible for the catabolism of a single particular amino acid or its biosynthesis. PMID- 29199100 TI - Universal test and treat and the HIV epidemic in rural South Africa: a phase 4, open-label, community cluster randomised trial. AB - BACKGROUND: Universal antiretroviral therapy (ART), as per the 2015 WHO recommendations, might reduce population HIV incidence. We investigated the effect of universal test and treat on HIV acquisition at population level in a high prevalence rural region of South Africa. METHODS: We did a phase 4, open label, cluster randomised trial of 22 communities in rural KwaZulu-Natal, South Africa. We included individuals residing in the communities who were aged 16 years or older. The clusters were composed of aggregated local areas (neighbourhoods) that had been identified in a previous study in the Hlabisa subdistrict. The study statisticians randomly assigned clusters (1:1) with MapInfo Pro (version 11.0) to either the control or intervention communities, stratified on the basis of antenatal HIV prevalence. We offered residents repeated rapid HIV testing during home-based visits every 6 months for about 4 years in four clusters, 3 years in six clusters, and 2 years in 12 clusters (58 cluster-years) and referred HIV-positive participants to trial clinics for ART (fixed-dose combination of tenofovir, emtricitabine, and efavirenz) regardless of CD4 cell count (intervention) or according to national guidelines (initially <=350 cells per MUL and <500 cells per MUL from January, 2015; control). Participants and investigators were not masked to treatment allocation. We used dried blood spots once every 6 months provided by participants who were HIV negative at baseline to estimate the primary outcome of HIV incidence with cluster-adjusted Poisson generalised estimated equations in the intention-to treat population after 58 cluster-years of follow-up. This study is registered with ClinicalTrials.gov, number NCT01509508, and the South African National Clinical Trials Register, number DOH-27-0512-3974. FINDINGS: Between March 9, 2012, and June 30, 2016, we contacted 26 518 (93%) of 28 419 eligible individuals. Of 17 808 (67%) individuals with a first negative dried blood spot test, 14 223 (80%) had subsequent dried blood spot tests, of whom 503 seroconverted after follow-up of 22 891 person-years. Estimated HIV incidence was 2.11 per 100 person-years (95% CI 1.84-2.39) in the intervention group and 2.27 per 100 person-years (2.00-2.54) in the control group (adjusted hazard ratio 1.01, 95% CI 0.87-1.17; p=0.89). We documented one case of suicidal attempt in a woman following HIV seroconversion. 128 patients on ART had 189 life-threatening or grade 4 clinical events: 69 (4%) of 1652 in the control group and 59 (4%) of 1367 in the intervention group (p=0.83). INTERPRETATION: The absence of a lowering of HIV incidence in universal test and treat clusters most likely resulted from poor linkage to care. Policy change to HIV universal test and treat without innovation to improve health access is unlikely to reduce HIV incidence. FUNDING: ANRS, GiZ, and 3ie. PMID- 29199102 TI - Effect of repeated adrenocorticotropic hormone administration on reproductive function and hair cortisol concentration during the estrous cycle in goats. AB - Measurement of the cortisol concentration in hair has been used as an index of chronic stress in several species including humans, wildlife and domestic animals. However, how accurately the cortisol concentration in hair reflects the changes in circulating cortisol concentrations has not been well documented. The objective of the present study was to examine the effect of repeated adrenocorticotropic hormone (ACTH) administration on the reproductive function during the estrous cycle and hair cortisol concentrations in goats. In experiment 1, goats were administered ACTH (0.625 IU/10 kg of body weight, n = 6) or saline (n = 6) intramuscularly once a day for 7 days on Day 11-17 of the estrous cycle (day 0 was the day of ovulation). In experiment 2, goats were administered ACTH (0.625 IU/10 kg of body weight, n = 6) or saline (n = 6) intramuscularly twice a day on Day 11-24 of the estrous cycle. Blood samples were collected 0, 0.5, and 6 h after first administration to determine the circulating cortisol concentrations. Hair was clipped at 0, 1, and 2 months after the start of administration. In both experiments, the plasma cortisol concentration increased at 0.5 h and returned to baseline at 6 h after ACTH administration. During the experiments, estrus was observed in most animals in ACTH and saline groups (6/6 and 4/6 in experiment 1 and 5/6 and 6/6 in experiment 2, respectively) and ovulation was observed in all goats examined. However, the number of ovulatory follicles was significantly different between the ACTH and saline groups, and the maximal diameter of ovulatory follicles tended to be different (P = .07) between the ACTH and saline groups. In experiment 1, the hair cortisol concentration was not influenced by the ACTH administration throughout the sampling period. In experiment 2, the hair cortisol concentration in the ACTH group was greater at 1 month after administration than the pre-administration value, but was not significantly different at 2 months. These results suggest that repeated ACTH administration affects the development and ovulatory process of ovarian follicles and analysis of the hair cortisol concentration can be used for assessing relatively long-term changes in cortisol concentration in the circulation. PMID- 29199103 TI - Diversion of the long-chain acyl-ACP pool in Synechocystis to fatty alcohols through CRISPRi repression of the essential phosphate acyltransferase PlsX. AB - Fatty alcohol production in Synechocystis sp. PCC 6803 was achieved through heterologous expression of the fatty acyl-CoA/ACP reductase Maqu2220 from the bacteria Marinobacter aquaeolei VT8 and the fatty acyl-ACP reductase DPW from the rice Oryza sativa. These platform strains became models for testing multiplex CRISPR-interference (CRISPRi) metabolic engineering strategies to both improve fatty alcohol production and to study membrane homeostasis. CRISPRi allowed partial repression of up to six genes simultaneously, each encoding enzymes of acyl-ACP-consuming pathways. We identified the essential phosphate acyltransferase enzyme PlsX (slr1510) as a key node in C18 fatty acyl-ACP consumption, repression of slr1510 increased octadecanol productivity threefold over the base strain and gave the highest specific titers reported for this host, 10.3mgg-1 DCW. PlsX catalyzes the first committed step of phosphatidic acid synthesis, and has not been characterized in Synechocystis previously. We found that accumulation of fatty alcohols impaired growth, altered the membrane composition, and caused a build-up of reactive oxygen species. PMID- 29199105 TI - Relicts of the lost arc: High-throughput sequencing of the Eutrichomyias rowleyi (Aves: Passeriformes) holotype uncovers an ancient biogeographic link between the Philippines and Fiji. AB - Molecular studies have revealed a number of cases in which traditional assessments of evolutionary relationships have been incorrect. This has implications not only for systematics and taxonomy but also for our understanding of how diversity patterns on Earth have been formed. Here, we use high-throughput sequencing technology to obtain molecular data from the holotype specimen of the elusive Eutrichomyias rowleyi, which is endemic to the Indonesian island of Sangihe. We show that E. rowleyi unexpectedly is a member of the family Lamproliidae, which dates back some 20 Million years and only include two other species, Lamprolia victoriae from Fiji and Chaetorhynchus papuensis from New Guinea. Tectonic reconstructions suggest that the Melanesian island arc, which included land masses on the northern edge of the Australian plate (present day New Guinea) stretched as a string of islands from the Philippines (including proto-Sangihe) to Fiji from 25 to 20 My. Consequently, our results are indicative of an ancient distribution along the Melanesian island arc followed by relictualization, which led to members of the Lamproliidae to be distributed on widely separated islands across the Indo-Pacific. PMID- 29199106 TI - Recovering the evolutionary history of crowned pigeons (Columbidae: Goura): Implications for the biogeography and conservation of New Guinean lowland birds. AB - Assessing the relative contributions of immigration and diversification into the buildup of species diversity is key to understanding the role of historical processes in driving biogeographical and diversification patterns in species-rich regions. Here, we investigated how colonization, in situ speciation, and extinction history may have generated the present-day distribution and diversity of Goura crowned pigeons (Columbidae), a group of large forest-dwelling pigeons comprising four recognized species that are all endemic to New Guinea. We used a comprehensive geographical and taxonomic sampling based mostly on historical museum samples, and shallow shotgun sequencing, to generate complete mitogenomes, nuclear ribosomal clusters and independent nuclear conserved DNA elements. We used these datasets independently to reconstruct molecular phylogenies. Divergence time estimates were obtained using mitochondrial data only. All analyses revealed similar genetic divisions within the genus Goura and recovered as monophyletic groups the four species currently recognized, providing support for recent taxonomic changes based on differences in plumage characters. These four species are grouped into two pairs of strongly supported sister species, which were previously not recognized as close relatives: Goura sclaterii with Goura cristata, and Goura victoria with Goura scheepmakeri. While the geographical origin of the Goura lineage remains elusive, the crown age of 5.73 Ma is consistent with present-day species diversity being the result of a recent diversification within New Guinea. Although the orogeny of New Guinea's central cordillera must have played a role in driving diversification in Goura, cross barrier dispersal seems more likely than vicariance to explain the speciation events having led to the four current species. Our results also have important conservation implications. Future assessments of the conservation status of Goura species should consider threat levels following the taxonomic revision proposed by del Hoyo and Collar (HBW and BirdLife International illustrated checklist of the birds of the world 1: non-passerines, 2014), which we show to be fully supported by genomic data. In particular, distinguishing G. sclaterii from G. scheepmakeri seems to be particularly relevant. PMID- 29199107 TI - Species limits in the Morelet's Alligator lizard (Anguidae: Gerrhonotinae). AB - The widely distributed, Central American anguid lizard Mesaspis moreletii is currently recognized as a polytypic species with five subspecies (M. m. fulvus, M. m. moreletii, M. m. rafaeli, M. m. salvadorensis, and M. m. temporalis). We reevaluated the species limits within Mesaspis moreletii using DNA sequences of one mitochondrial and three nuclear genes. The multi-locus data set included samples of all of the subspecies of M. moreletii, the other species of Mesaspis in Central America (M. cuchumatanus and M. monticola), and some populations assignable to M. moreletii but of uncertain subspecific identity from Honduras and Nicaragua. We first used a tree-based method for delimiting species based on mtDNA data to identify potential evolutionary independent lineages, and then analized the multilocus dataset with two species delimitation methods that use the multispecies coalescent model to evaluate different competing species delimitation models: the Bayes factors species delimitation method (BFD) implemented in *BEAST, and the Bayesian Phylogenetics and Phylogeography (BP&P) method. Our results suggest that M. m. moreletii, M. m. rafaeli, M. m. salvadorensis, and M. m. temporalis represent distinct evolutionary independent lineages, and that the populations of uncertain status from Honduras and Nicaragua may represent additional undescribed species. Our results also suggest that M. m. fulvus is a synonym of M. m. moreletii. The biogeography of the Central American lineages of Mesaspis is discussed. PMID- 29199104 TI - Reverse engineering the cancer metabolic network using flux analysis to understand drivers of human disease. AB - Metabolic dysfunction has reemerged as an essential hallmark of tumorigenesis, and metabolic phenotypes are increasingly being integrated into pre-clinical models of disease. The complexity of these metabolic networks requires systems level interrogation, and metabolic flux analysis (MFA) with stable isotope tracing present a suitable conceptual framework for such systems. Here we review efforts to elucidate mechanisms through which metabolism influences tumor growth and survival, with an emphasis on applications using stable isotope tracing and MFA. Through these approaches researchers can now quantify pathway fluxes in various in vitro and in vivo contexts to provide mechanistic insights at molecular and physiological scales respectively. Knowledge and discoveries in cancer models are paving the way toward applications in other biological contexts and disease models. In turn, MFA approaches will increasingly help to uncover new therapeutic opportunities that enhance human health. PMID- 29199110 TI - Increased latencies to respond in a judgment bias test are not associated with pessimistic biases in rats. AB - Extinction of learning is a common, yet under-reported limitation of judgment bias testing methods Repeated exposure to the ambiguous probe of a judgment bias paradigm encourages the animal to cease display of the required behaviours. However, there remains a need to repeatedly test animals to achieve statistical power. A delicate balance therefore needs to be struck between over- and under exposure of the animals to the test conditions. This study presents the data of rats, a common animal subject of judgment bias testing. Rats were exposed to the ambiguous probe of a common, active-choice judgment bias test for 11 consecutive days. There was a significant increase in the latency to respond to the ambiguous probe following day 8, with no significant increase experienced for either the positive or less-positive probes. Following day 8 there was a significant increase in both optimistic and pessimistic latencies in response to the ambiguous probe. Therefore, repeated exposure to the ambiguous probe caused an increased latency in response even though optimistic interpretations were recorded. This implies that the use of response latency alone as a measure in judgment bias testing can falsely identify pessimism. Researchers should modify experimental design to include both choice and latency measures. PMID- 29199111 TI - Changes in body posture alter plasma nitrite but not nitrate concentration in humans. AB - PURPOSE: This study evaluated the change (Delta) in plasma volume (PV), nitrate [NO3-], and nitrite [NO2-] concentration following changes in posture in the presence and absence of elevated plasma [NO3-] and [NO2-] METHODS: Fourteen healthy participants completed two trials that were preceded by either supplementation with NO3--rich beetroot juice (BR; total of ~31 mmol NO3-) or no supplementation (CON). Both trials comprised 30 min of lying supine followed by 2 min of standing, 2 min of sitting and 5 min of sub-maximal cycling. Measurements of plasma [NO3-] and [NO2-] were made by gas-phase chemiluminescence and DeltaPV was estimated using the Dill and Costill method. RESULTS: Plasma [NO2-] decreased from baseline (CON: 120 +/- 49 nM, BR: 357 +/- 129 nM) after lying supine for 30 min (CON 77 +/- 30 nM; BR 231 +/- 92 nM, both P < 0.01) before increasing during standing (CON 109 +/- 42 nM; BR 297 +/- 105 nM, both P < 0.01) and sitting (CON 131 +/- 43 nM; BR 385 +/- 125 nM, both P < 0.01). Plasma [NO2-] remained elevated following exercise only in CON (125 +/- 61 nM P = 0.02). Plasma [NO3-] was not different between measurement points in either condition (P > 0.05). PV increased from baseline during the supine phase before decreasing upon standing, sitting, and exercise in both trials (all P<0.05). CONCLUSIONS: Changing body posture causes rapid and consistent alterations in plasma [NO2-]. Researchers should therefore carefully consider the effect of posture when measuring this variable. PMID- 29199108 TI - Cryptic diversity in Rhampholeon boulengeri (Sauria: Chamaeleonidae), a pygmy chameleon from the Albertine Rift biodiversity hotspot. AB - Several biogeographic barriers in the Central African highlands have reduced gene flow among populations of many terrestrial species in predictable ways. Yet, a comprehensive understanding of mechanisms underlying species divergence in the Afrotropics can be obscured by unrecognized levels of cryptic diversity, particularly in widespread species. We implemented a multilocus phylogeographic approach to examine diversity within the widely distributed Central African pygmy chameleon, Rhampholeon boulengeri. Gene-tree analyses coupled with a comparative coalescent-based species delimitation framework revealed R. boulengeri as a complex of at least six genetically distinct species. The spatiotemporal speciation patterns for these cryptic species conform to general biogeographic hypotheses supporting vicariance as the main factor behind patterns of divergence in the Albertine Rift, a biodiversity hotspot in Central Africa. However, we found that parapatric species and sister species inhabited adjacent habitats, but were found in largely non-overlapping elevational ranges in the Albertine Rift, suggesting that differentiation in elevation was also an important mode of divergence. The phylogeographic patterns recovered for the genus-level phylogeny provide additional evidence for speciation by isolation in forest refugia, and dating estimates indicated that the Miocene was a significant period for this diversification. Our results highlight the importance of investigating cryptic diversity in widespread species to improve understanding of diversification patterns in environmentally diverse regions such as the montane Afrotropics. PMID- 29199109 TI - A supramodal role of the basal ganglia in memory and motor inhibition: Meta analytic evidence. AB - The ability to stop actions and thoughts is essential for goal-directed behaviour. Neuroimaging research has revealed that stopping actions and thoughts engage similar cortical mechanisms, including the ventro- and dorso-lateral prefrontal cortex. However, whether and how these abilities require similar subcortical mechanisms remains unexplored. Specifically of interest are the basal ganglia, subcortical structures long-known for their motor functions, but less so for their role in cognition. To investigate the potential common mechanisms in the basal ganglia underlying action and thought stopping, we conducted meta analyses using fMRI data from the Go/No-Go, Stop-signal, and Think/No-Think tasks. All three tasks require active stopping of prepotent actions or thoughts. To localise basal ganglia activations, we performed high-resolution manual segmentations of striatal subregions. We found that all three tasks recovered clusters in the basal ganglia, although the specific localisation of these clusters differed. Although the Go/No-Go and Stop-signal tasks are often interchangeably used for measuring action stopping, their cluster locations in the basal ganglia did not significantly overlap. These different localised clusters suggest that the Go/No-Go and Stop-signal tasks may recruit distinct basal ganglia stopping processes, and therefore should not be treated equivalently. More importantly, the basal ganglia cluster recovered from the Think/No-Think task largely co-localised with that from the Stop-signal task, but not the Go/No-Go task, possibly indicating that the Think/No-Think and Stop signal tasks share a common striatal circuitry involved in the cancellation of unwanted thoughts and actions. The greater similarity of the Think/No-Think task to the Stop-Signal rather than Go/No-Go task also was echoed at the cortical level, which revealed highly overlapping and largely right lateralized set of regions including the anterior DLPFC, VLPFC, Pre-SMA and ACC. Overall, we provide novel evidence suggesting not only that the basal ganglia are critical for thought stopping, but also that they are involved in specific stopping subprocesses that can be engaged by tasks in different domains. These findings raise the possibility that the basal ganglia may be part of a supramodal network responsible for stopping unwanted processes more broadly. PMID- 29199112 TI - [Management of patients with major beta thalassemia in a paediatric department in the south of Tunisia: About 26 cases]. AB - AIM: Our objectives were to assess the management of patients with major thalassemia and identify the various complications and monitoring means. PATIENTS AND METHODS: A retrospective study was conducted on 26 beta-thalassemic patients in the department of paediatrics, Hedi Chaker hospital, Sfax, Tunisia during a period of 25 years (from 1 January 1990 to 31 December 2014). RESULTS: The mean age of the beginning of transfusion was 11.5 months. That was with phenotyped red blood cells but not leukodepleted blood. Twenty-three patients received chelation. Before 2001, all patients received deferoxamine, poor adherence to this treatment was observed in 66% of cases. It was replaced by deferiprone since 2006 and deferasirox since 2009. A combination of 2 or 3 chelators was indicated for four patients. A total splenectomy was performed in 10 cases patients; it was due to hypersplenism. The bone marrow transplant was performed for one patient at the age of 9 year but it was rejected. Many complications were detected: endocrine complications (19 cases), immune complications (9 cases), gallbladder stones (5 cases), cardiac complications (4 cases), osteoporosis (3 cases), infectious complications (3 cases) and thromboembolic complications (2 cases). We noted some side effects related to chelation therapy in twelve cases. Four patients were dead. CONCLUSION: Improving the medical care of homozygous beta thalassemic children requires adherence to transfusion regimen and chelation therapy. Bone marrow transplantation remains the only possible curative therapy, which must be promoted in our country. PMID- 29199113 TI - Genetics and biobanks converge to resolve a vexing knowledge gap in diabetes. PMID- 29199114 TI - Cystic-fibrosis-related diabetes: time for oral drugs? PMID- 29199115 TI - Frequency and phenotype of type 1 diabetes in the first six decades of life: a cross-sectional, genetically stratified survival analysis from UK Biobank. AB - BACKGROUND: Type 1 diabetes is typically considered a disease of children and young adults. Genetic susceptibility to young-onset type 1 diabetes is well defined and does not predispose to type 2 diabetes. It is not known how frequently genetic susceptibility to type 1 diabetes leads to a diagnosis of diabetes after age 30 years. We aimed to investigate the frequency and phenotype of type 1 diabetes resulting from high genetic susceptibility in the first six decades of life. METHODS: In this cross-sectional analysis, we used a type 1 diabetes genetic risk score based on 29 common variants to identify individuals of white European descent in UK Biobank in the half of the population with high or low genetic susceptibility to type 1 diabetes. We used Kaplan-Meier analysis to evaluate the number of cases of diabetes in both groups in the first six decades of life. We genetically defined type 1 diabetes as the additional cases of diabetes that occurred in the high genetic susceptibility group compared with the low genetic susceptibility group. All remaining cases were defined as type 2 diabetes. We assessed the clinical characteristics of the groups with genetically defined type 1 or type 2 diabetes. FINDINGS: 13 250 (3.5%) of 379 511 white European individuals in UK Biobank had developed diabetes in the first six decades of life. 1286 more cases of diabetes were in the half of the population with high genetic susceptibility to type 1 diabetes than in the half of the population with low genetic susceptibility. These genetically defined cases of type 1 diabetes were distributed across all ages of diagnosis; 537 (42%) were in individuals diagnosed when aged 31-60 years, representing 4% (537/12 233) of all diabetes cases diagnosed after age 30 years. The clinical characteristics of the group diagnosed with type 1 diabetes when aged 31-60 years were similar to the clinical characteristics of the group diagnosed with type 1 diabetes when aged 30 years or younger. For individuals diagnosed with diabetes when aged 31-60 years, the clinical characteristics of type 1 diabetes differed from those of type 2 diabetes: they had a lower BMI (27.4 kg/m2 [95% CI 26.7-28.0] vs 32.4 kg/m2 [32.2 32.5]; p<0.0001), were more likely to use insulin in the first year after diagnosis (89% [476/537] vs 6% [648/11 696]; p<0.0001), and were more likely to have diabetic ketoacidosis (11% [61/537] vs 0.3% [30/11 696]; p<0.0001). INTERPRETATION: Genetic susceptibility to type 1 diabetes results in non-obesity related, insulin-dependent diabetes, which presents throughout the first six decades of life. Our results highlight the difficulty of identifying type 1 diabetes after age 30 years because of the increasing background prevalence of type 2 diabetes. Failure to diagnose late-onset type 1 diabetes can have serious consequences because these patients rapidly develop insulin dependency. FUNDING: Wellcome Trust and Diabetes UK. PMID- 29199117 TI - Babesia bigemina: Advances in continuous in vitro culture using serum-free medium supplemented with insulin, transferrin, selenite, and putrescine. PMID- 29199118 TI - Changes in waist circumference independent of weight: Implications for population level monitoring of obesity. AB - : Population monitoring of obesity is most commonly conducted using body mass index (BMI). We test the hypothesis that because of increases in waist circumference (WC) independent of increases in weight, BMI alone detects an increasingly smaller proportion of the population with obesity. METHODS: Australian adults with measured height, weight, and WC were selected from three nationally representative cross-sectional surveys (1989, 1999-2000, 2011-12; n=8313, 5903 & 3904). Participants were defined as having obesity using classifications for an obese BMI (>=30kg.m-2) and substantially-increased-risk WC (>=88cm [women], >=102cm [men]). Age-standardised prevalence of obesity according to BMI and/or WC, and the proportion of these detected by BMI and by WC were compared across surveys. FINDINGS: Between 1989 and 2011-12, weight and WC increased by 5.4kg and 10.7cm (women), and by 7.0kg and 7.3cm (men). For women and men, 63% and 38% of increases in WC were independent of increases in weight. Over this period, the prevalence of obesity according to BMI and/or WC increased by 25.3 percentage-points for women (18.9% to 44.3%) and 21.1 percentage-points for men (17.1% to 38.2%). The proportion of these detected by BMI decreased for women by 20 percentage-points (77% to 57%) with no change for men. The proportion of these detected by WC increased for women and men by 10 percentage-points (87% to 97%) and 6 percentage-points (85% to 91%) respectively. CONCLUSION: BMI alone is detecting a decreasing proportion of those considered obese by BMI and/or WC. Renewed discussion regarding how we monitor obesity at the population level is required. PMID- 29199116 TI - Repaglinide versus insulin for newly diagnosed diabetes in patients with cystic fibrosis: a multicentre, open-label, randomised trial. AB - BACKGROUND: As survival among patients with cystic fibrosis has improved in recent decades, complications have become increasingly relevant. The most frequent complication is cystic-fibrosis-related diabetes. The recommended treatment is injected insulin, but some patients are treated with oral antidiabetic drugs to ease the treatment burden. We assessed the efficacy and safety of oral antidiabetic drugs. METHODS: We did a multicentre, open-label, comparative, randomised trial in 49 centres in Austria, France, Germany, and Italy. Eligible patients had cystic fibrosis, were older than 10 years, and had newly diagnosed diabetes. We used a central randomisation schedule derived from a Geigy random number table to assign patients 1:1 to receive insulin or repaglinide, stratified by sex and age (10-15 years or >15 years). The primary outcome was glycaemic control assessed by mean change in HbA1c concentration from baseline after 24 months of treatment. Differences between groups were assessed by linear models. The primary and safety analyses were done in the modified intention-to-treat population (including patients who stopped treatment early because of lack of efficacy). This trial is registered with ClinicalTrials.gov, number NCT00662714. FINDINGS: We enrolled 34 patients in the repaglinide group and 41 in the insulin group, of whom 30 and 37, respectively, were included in the analyses. At 24 months, glycaemic control was similar in the repaglinide and insulin groups (mean change in HbA1c concentration from baseline 0.2% [SD 0.7%], 1.7 mmol/mol [8.1 mmol/mol] with repaglinide vs -0.2% [1.3%], -2.7 mmol/mol, [14.5 mmol/mol] with insulin; mean difference between groups -0.4%, (95% CI -1.1 to 0.2 [-4.4 mmol/mol, -11.5 to 2.7], p=0.15). The most frequent adverse events were pulmonary events (43 [40%] of 107 in the repaglinide group and 60 [45%] of 133 in the insulin group), and the most frequent serious adverse events were pulmonary events leading to hospital admission (five [50%] of ten and seven [54%] of 13, respectively). INTERPRETATION: Repaglinide for glycaemic control in patients with cystic-fibrosis-related diabetes is as efficacious and safe as insulin. FUNDING: Mukoviszidose eV, Vaincre la Mucoviscidose, ABCF Association, and Novo Nordisk. PMID- 29199119 TI - Sitting patterns after relocation to activity-based offices: A controlled study of a natural intervention. AB - This study determined the effect of relocating workers from traditional to activity-based offices on objectively measured sitting patterns. Office workers (n=493) from five office-sites within a large Swedish government agency were included in a controlled study of a natural intervention (2015-2017). At four sites, traditional offices were replaced by activity-based offices, while workers at one site with no relocation acted as controls. Sitting, standing and walking were measured objectively for 5-8days in a sub-sample (n=110) using accelerometry (Actigraph). Total sitting time (% of working time) and time spent in short (<5min), moderate (5-30min) and prolonged (>30min) uninterrupted periods in sitting were determined. Intervention effects were determined at 3- and 12-month follow-ups using linear mixed models adjusted for baseline age, gender and office type, and stratified by office-site (referencing controls). The relocation to activity-based offices did not result in an overall effect (across sites) on occupational sitting time (all p>0.05), while walking time had increased significantly by 1.4% of the working time at 12months compared with controls. Heterogeneous results were found across offices after 12months on total sitting time compared with controls (estimated change -18.3% time-1.4% time), prolonged sitting (change -18.3% to -3.8%), walking (change 0.5%-3.5%) and standing (change -1.4%-13.9%). In conclusion, relocation to activity-based offices had a limited overall effect on occupational sitting patterns in the studied organization, but differed considerably between office sites. Site-specific determinants of sitting behavior in activity-based offices need be identified. PMID- 29199120 TI - Understanding the molecular basis of the high oxygen affinity variant human hemoglobin Coimbra. AB - Human hemoglobin (Hb) Coimbra (betaAsp99Glu) is one of the seven betaAsp99 Hb variants described to date. All betaAsp99 substitutions result in increased affinity for O2 and decreased heme-heme cooperativity and their carriers are clinically characterized by erythrocytocis, caused by tissue hypoxia. Since betaAsp99 plays an important role in the allosteric alpha1beta2 interface and the mutation in Hb Coimbra only represents the insertion of a CH2 group in this interface, the present study of Hb Coimbra is important for a better understanding of the global impact of small modifications in this allosteric interface. We carried out functional, kinetic and dynamic characterization of this hemoglobin, focusing on the interpretation of these results in the context of a growth of the position 99 side chain length in the alpha1beta2 interface. Oxygen affinity was evaluated by measuring p50 values in distinct pHs (Bohr effect), and the heme-heme cooperativity was analyzed by determining the Hill coefficient (n), in addition to the effect of the allosteric effectors inositol hexaphosphate (IHP) and 2,3-bisphosphoglyceric acid (2,3-BPG). Computer simulations revealed a stabilization of the R state in the Coimbra variant with respect to the wild type, and consistently, the T-to-R quaternary transition was observed on the nanosecond time scale of classical molecular dynamics simulations. PMID- 29199121 TI - Interventions targeting loneliness and social isolation among the older people: An update systematic review. AB - This systematic review aims to summarize and update the current knowledge on the effectiveness of the existing interventions for alleviating loneliness and social isolation among older persons. A search of PubMed, ISI Web of science, SCOPUS, The Cochrane Library, and CINAHL databases was performed. The terminology combined all possible alternatives of the following keywords: social isolation, loneliness, old people, intervention and effectiveness. Eligible studies were published between January 2011 and February 2016 in English or Italian language and regarded the implementation of loneliness/social isolation interventions among the older generations. Outcome measures in terms of the intervention effects needed to be reported. In total, 15 quantitative and five qualitative studies were ultimately included in this review. Eighteen interventions were reported across the quantitative studies. Six out of 11 group interventions (55%), one out of four mixed interventions (25%) and all three individual interventions reported at least one significant finding related to loneliness or social isolation. Our review suggested that new technologies and community engaged arts might be seen as a promising tool for tackling social isolation and loneliness among the older individuals. Future studies need to work on methodological quality and take into consideration the suggestions of the present literature in order to provide firm evidence. PMID- 29199122 TI - Spectroscopic studies of the interaction between alprazolam and apo-human serum transferrin as a drug carrier protein. AB - The interaction between apo-human serum transferrin (Apo-hTf) and alprazolam was investigated using various spectroscopic techniques. The drug quenched the fluorescence intensity of Apo-hTf and the mechanism behind the quenching was static. The thermodynamic parameters (DeltaG, DeltaH, and DeltaS) that obtained from tryptophan fluorescence study revealed that the interactions between alprazolam and Apo-hTf were spontaneous. Collectively, hydrophobic interactions and hydrogen bonding most likely played major roles in Apo-hTf/alprazolam interactions. Also, the absorption spectra of Apo-hTf increased in the presence of increasing concentration of alprazolam, reflecting Apo-hTf structural alteration after drug's binding. The CD results demonstrated that the Apo hTf/alprazolam interaction does not affect the protein secondary and tertiary structure significantly until the molar ratios (alprazolam/Apo-hTf) of 10, but the conformational changes become visible at higher molar ratios. The DSC results suggested that alprazolam stabilized the Apo-hTf at alprazolam/Apo-hTf molar ratio of 20. Based on the achieved results, this potentially therapeutic agent can significantly bind to Apo-hTf which also further confirmed by molecular docking study. This study on the interaction of the drug with Apo-hTf should be helpful for understanding the transportation and distribution of drugs in vivo, as well as the action mechanism and dynamics of a drug at the molecular level. PMID- 29199124 TI - Recombinant rice xylanase inhibitor (RIXI) expressed in Escherichia coli and its inhibitory activity on family GH11endo-xylanases. AB - The rice xylanase inhibitor gene, rixi, was cloned from rice genome. The open reading frame of rixi was 915 bp and encoded 304 amino acids with the theoretical molecular mass of 33.9 kDa. The rixi was inserted into the new-type expression vector pCold TF, and was high-level expressed in Escherichia coli BL21 (DE3). SDS PAGE and Western blot analysis revealed that the molecular weight of the recombinant rice xylanase inhibitor, namely reERIXI, was approximately 89.8 kDa. The reERIXI exhibited significant inhibitory activities against several family GH11 xylanases. After interaction with reERIXI, the residual activity of reBaxA50 and TfxA_CD214 were 59.24% and 44.41%, respectively. The optimal temperature of reERIXI inhibitory activity to reBaxA50 and TfxA_CD214 were 60 degrees C and 50 degrees C, respectively. The thermostability assay revealed that reERIXI was stable below 60 degrees C. reERIXI showed high inhibitory when interacting with reBaxA50 and TfxA_CD214 for 30-60 min. The intrinsic fluorescence spectroscopy of reBaxA50 and TfxA_CD214 was quenched with increasing reERIXI concentration. Circular dichroism measurement revealed that ratio of helix of reBaxA50 and ratio of beta of TfxA_CD214 significantly decreased when interacting with reERIXI. The total concentration of hydrolytic products from beechwood xylan decreased when reERIXI was added. PMID- 29199123 TI - Sulfated modification of the polysaccharides from blackcurrant and their antioxidant and alpha-amylase inhibitory activities. AB - Sulfated modification was conducted to modify a homogenous polysaccharide from blackcurrant (BCP). The sulfated polysaccharides (SBCPs) with different degree of substitution (DS) were synthesized using the aminosulfonic acid (ASA)/4 dimethylaminopyridine method by varying reaction conditions such as the mass ratio of ASA to BCP, temperature, and time. Three sulfated derivatives were chosen for high-performance gel-permeation chromatography, gas chromatography, fourier-transform infrared (FT-IR) spectroscopy, and nuclear magnetic resonance (NMR), and activity studies, designated as SBCP-1, SBCP-2, and SBCP-3 with DS of 1.28, 0.95, and 0.53, respectively. Results showed that the sulfated modification was successful, and SBCPs had an increase in molecular weight compared to BCP. Both SBCPs and BCP were composed of rhamnose, arabinose, xylose, mannose, galactose, and glucose, with different molar ratios. Sulfate substitution was further confirmed by FT-IR and 13C NMR analysis. SBCPs exhibited excellent antioxidant capacities (DPPH, hydroxyl, and superoxide radical scavenging, reducing power, and ferrous metal-chelating capacities) and alpha-amylase inhibitory activity in vitro, and the activities of SBCPs were significantly improved in positive correlation with the DS value. This study suggested that SBCPs could serve as potential antioxidant agents to be used as alternative supplements or functional foods. PMID- 29199125 TI - Formulation and optimization of levofloxacin loaded chitosan nanoparticle for ocular delivery: In-vitro characterization, ocular tolerance and antibacterial activity. AB - In this study, chitosan nanoparticles (CH-NPs) were used to encapsulate antibacterial agent levofloxacin for the treatment of ocular infection. The chitosan nanoparticles were prepared by ionic gelation method using chitosan and sodium tripolyphosphate. The developed formulations were evaluated for various physicochemical parameters and optimized formulation was converted into the sol gel system to enhance the corneal residence time. The developed formulations showed the particle size in nanometric range with high encapsulation, and loading. HET-CAM test and histopathology of cornea demonstrated that optimized formulation was found to be non-irritant and safe for topical ophthalmic use. The antimicrobial study revealed that the developed formulation possesses higher antibacterial activity against P. aeruginosa, and S. aureus. The pharmacoscintigraphic study result revealed the reduced corneal clearance, naso lachrymal drainage as well as higher retention of LFX in comparison to LFX solution. Our results concluded that levofloxacin loaded chitosan nanoparticles in situ gel system found to be an efficient carrier for ocular delivery of levofloxacin. PMID- 29199126 TI - Chitosan produced from Mucorales fungi using agroindustrial by-products and its efficacy to inhibit Colletotrichum species. AB - This study evaluated corn steep liquor (CSL) and papaya peel juice (PPJ) in mixture as substrates for the cultivation (96h, 28 degrees C, pH 5.6, 150rpm) of Mucorales fungi for chitosan production, and determined the growth-inhibitory effect of the fungal chitosan (FuCS) obtained under optimized conditions against phytopathogenic Colletotrichum species. All Mucorales fungi tested were capable of growing in CSL-PPJ medium, showing FuCS production in the range of 5.02 (Fennelomyces heterothalicus SIS 28) - 15.63mg/g (Cunninghamella elegans SIS 41). Highest FuCS production (37.25mg/g) was achieved when C. elegans was cultivated in medium containing 9.43% CSL and 42.5% PPJ. FuCS obtained under these conditions showed a deacetylation degree of 86%, viscosity of 120cP and molecular weight of 4.08*104g/mol. FuCS at 5000, 7500 and 10,000ppm inhibited the growth of all Colletotrichum species tested. FuCS also induced alterations in the morphology of C. fructicola hyphae. CSL-PPJ mixtures are suitable substrates for the cultivation of Mucorales fungi for FuCS production. Chitosan from C. elegans cultivated in CSL-PPJ medium is effective in inhibiting phytopathogenic Colletotrichum species. PMID- 29199127 TI - One-pot fabrication of chitin-shellac composite microspheres for efficient enzyme immobilization. AB - In this study, all-natural composite microspheres were fabricated through adding shellac into chitin solution followed by self-assembly via thermally-induced phase separation. The pore structure of the composite microspheres was altered into wedge-shape from ink-bottle-shape of the chitin microspheres, whereas, the crystalline structure of these two kinds of microspheres remained unaltered. The as-fabricated chitin-shellac composite microspheres were used for enzyme immobilization through adsorption. And yeast alcohol dehydrogenase (YADH) was chosen as the model enzyme, which is a multimer consisting of 4 subunits. The loading capacity of the as-prepared composite microspheres was up to 79.0mg/g (enzyme/carrier). The immobilized enzyme exhibited a comparable catalytic activity compared to its free counterpart and maintained 49.3% of its initial activity after 54days' storage at 4 degrees C while the free enzyme lost all its activity. PMID- 29199128 TI - Complete genome sequence of Flavobacterium kingsejongi WV39, a type species of the genus Flavobacterium and a microbial C40 carotenoid zeaxanthin producer. AB - A novel species, Flavobacterium kingsejongi WV39, isolated from feces of Antarctic penguins and a type species of the genus Flavobacterium, is yellow because it synthesizes a C40 carotenoid zeaxanthin. The complete genome of F. kingsejongi WV39 is made up of a single circular chromosome (4,224,053bp, 39.8% G+C content). Annotation analysis revealed 3,955 coding sequences, 72 RNAs (18 rRNA+54 tRNA), and five genes involved in zeaxanthin biosynthesis. The key gene encoding beta-carotenoid hydroxylase (CrtZ), which is the last enzyme in the zeaxanthin biosynthetic pathway, was cloned and subjected to complementary analysis in a heterologous E. coli strain. The CrtZ of F. kingsejongi WV39 showed a higher activity than other reported CrtZs. PMID- 29199129 TI - Evaluating estrogenic and anti-estrogenic effect of endocrine disrupting chemicals (EDCs) by zebrafish (Danio rerio) embryo-based vitellogenin 1 (vtg1) mRNA expression. AB - By measuring the vitellogenin 1 (vtg1) expression through quantitative PCR and in situ hybridization, we used the zebrafish embryo as an in vivo model to access the estrogenic or anti-estrogenic effects of several endocrine disrupting chemicals (EDCs), such as natural estrogen 17beta-estradiol (E2), estriol (E3), synthetic hormones including diethylstilbestrol (DES), 4-octyl phenol (OP), bisphenol A (BPA), tamoxifen (TMX) and 3-(2,3-dibromopropyl) isocyanurate (TBC). According to our data, the estrogenic effect of the tested chemicals was ranked as: DES>E2>E3>OP>BPA, which is consistent with various in vivo and in vitro models. Therefore, the measurement of vtg1 gene expression in zebrafish embryos would be a valuable method for screening EDCs including both environmental estrogens and anti-estrogens. PMID- 29199131 TI - Combined therapy involving electroacupuncture and treadmill exercise attenuates demyelination in the corpus callosum by stimulating oligodendrogenesis in a rat model of neonatal hypoxia-ischemia. AB - We investigated whether electroacupuncture (EA) and treadmill (TM) exercise improve behaviors related to motor and memory dysfunction in a cerebral palsy like rat model via activation of oligodendrogenesis. A neonatal hypoxia-ischemia model was created using Sprague-Dawley rats (P7), and these underwent EA stimulation and treadmill training from 3 to 5weeks after hypoxia-ischemia induction. EA treatment was delivered via electrical stimulation (2Hz, 1mA) at two acupoints, Baihui (GV20) and Zusanli (ST36). Behavioral tests showed that EA alleviated motor dysfunction caused by hypoxia-ischemia on a rotarod test, and TM exercise alleviated motor and memory dysfunction seen on cylinder and passive avoidance tests. Combined therapy with EA and TM exercise showed synergistic effects on the cylinder, rotarod, and catwalk tests. TM exercise significantly restored corpus callosum thickness, and combined therapy with EA and TM restored myelin basic protein (MBP) levels in this region. While EA stimulation only increased activation of cAMP-response element binging protein (CREB) in oligodendrocytes of the corpus callosum, TM exercise increased newly generated oligodendrocyte progenitor cells or oligodendrocytes via activation of CREB. Synergistic effects on oligodendrogenesis were also observed by the combined therapy. Furthermore, the combined therapy induced mature brain-derived neurotrophic factor (BDNF) expression in the cerebral cortex. These results demonstrate that combined therapy with EA and TM exercise may restore myelin components following neonatal hypoxia-ischemia via upregulation of oligodendrogenesis involving CREB/BDNF signaling, which subsequently improves motor and memory function. Therefore, combined therapy with EA and TM exercise offers another treatment option for functional recovery from injuries caused by neonatal hypoxia-ischemia, such as cerebral palsy. PMID- 29199133 TI - Innovative strategies for intervertebral disc regenerative medicine: From cell therapies to multiscale delivery systems. AB - As our understanding of the physiopathology of intervertebral disc (IVD) degeneration has improved, novel therapeutic strategies have emerged, based on the local injection of cells, bioactive molecules, and nucleic acids. However, with regard to the harsh environment constituted by degenerated IVDs, protecting biologics from in situ degradation while allowing their long-term delivery is a major challenge. Yet, the design of the optimal approach for IVD regeneration is still under debate and only a few papers provide a critical assessment of IVD specific carriers for local and sustained delivery of biologics. In this review, we highlight the IVD-relevant polymers as well as their design as macro-, micro-, and nano-sized particles to promote endogenous repair. Finally, we illustrate how multiscale systems, combining in situ-forming hydrogels with ready-to-use particles, might drive IVD regenerative medicine strategies toward innovation. PMID- 29199130 TI - The neurological toxicity of heavy metals: A fish perspective. AB - The causes of neurodegenerative diseases are complex with likely contributions from genetic susceptibility and environmental exposures over an organism's lifetime. In this review, we examine the role that aquatic models, especially zebrafish, have played in the elucidation of mechanisms of heavy metal toxicity and nervous system function over the last decade. Focus is applied to cadmium, lead, and mercury as significant contributors to central nervous system morbidity, and the application of numerous transgenic zebrafish expressing fluorescent reporters in specific neuronal populations or brain regions enabling high-resolution neurodevelopmental and neurotoxicology research. PMID- 29199132 TI - BrainPhys(r) increases neurofilament levels in CNS cultures, and facilitates investigation of axonal damage after a mechanical stretch-injury in vitro. AB - : Neurobasal(r)/B27 is a gold standard culture media used to study primary neurons in vitro. An alternative media (BrainPhys(r)/SM1) was recently developed which robustly enhances neuronal activity vs. Neurobasal(r) or DMEM. To the best of our knowledge BrainPhys(r) has not been explored in the setting of neuronal injury. Here we characterized the utility of BrainPhys(r) in a model of in vitro mechanical-stretch injury. METHODS/RESULTS: Primary rat cortical neurons were maintained in classic Neurobasal(r), or sequentially maintained in Neurocult(r) followed by BrainPhys(r) (hereafter simply referred to as "BrainPhys(r) maintained neurons"). The levels of axonal markers and proteins involved in neurotransmission were compared on day in vitro 10 (DIV10). BrainPhys(r) maintained neurons had higher levels of GluN2B, GluR1, Neurofilament light/heavy chain (NF-L & NF-H), and protein phosphatase 2 A (PP2A) vs. neurons in Neurobasal(r). Mechanical stretch-injury (50ms/54% biaxial stretch) to BrainPhys(r) maintained neurons modestly (albeit significantly) increased 24h lactate dehydrogenase (LDH) levels but markedly decreased axonal NF-L levels post injury vs. uninjured controls or neurons given a milder 38% stretch-injury. Furthermore, two 54% stretch-injuries (in tandem) exacerbated 24h LDH release, increased alpha-spectrin breakdown products (SBDPs), and decreased Tau levels. Also, BrainPhys(r) maintained cultures had decreased markers of cell damage 24h after a single 54% stretch-injury vs. neurons in Neurobasal(r). Finally, we tested the hypothesis that lentivirus mediated overexpression of the pro-death protein RBM5 exacerbates neuronal and/or axonal injury in primary CNS cultures. RBM5 overexpression vs. empty-vector controls increased 24h LDH release, and SBDP levels, after a single 54% stretch-injury but did not affect NF-L levels or Tau. CONCLUSION: BrainPhys(r) is a promising new reagent which facilities the investigation of molecular targets involved in axonal and/or neuronal injury in vitro. PMID- 29199134 TI - The importance of fungal pathogens and antifungal coatings in medical device infections. AB - In recent years, increasing evidence has been collated on the contributions of fungal species, particularly Candida, to medical device infections. Fungal species can form biofilms by themselves or by participating in polymicrobial biofilms with bacteria. Thus, there is a clear need for effective preventative measures, such as thin coatings that can be applied onto medical devices to stop the attachment, proliferation, and formation of device-associated biofilms. However, fungi being eukaryotes, the challenge is greater than for bacterial infections because antifungal agents are often toxic towards eukaryotic host cells. Whilst there is extensive literature on antibacterial coatings, a far lesser body of literature exists on surfaces or coatings that prevent attachment and biofilm formation on medical devices by fungal pathogens. Here we review strategies for the design and fabrication of medical devices with antifungal surfaces. We also survey the microbiology literature on fundamental mechanisms by which fungi attach and spread on natural and synthetic surfaces. Research in this field requires close collaboration between biomaterials scientists, microbiologists and clinicians; we consider progress in the molecular understanding of fungal recognition of, and attachment to, suitable surfaces, and of ensuing metabolic changes, to be essential for designing rational approaches towards effective antifungal coatings, rather than empirical trial of coatings. PMID- 29199135 TI - Deficits in synaptic function occur at medial perforant path-dentate granule cell synapses prior to Schaffer collateral-CA1 pyramidal cell synapses in the novel TgF344-Alzheimer's Disease Rat Model. AB - Alzheimer's disease (AD) pathology begins decades prior to onset of clinical symptoms, and the entorhinal cortex and hippocampus are among the first and most extensively impacted brain regions. The TgF344-AD rat model, which more fully recapitulates human AD pathology in an age-dependent manner, is a next generation preclinical rodent model for understanding pathophysiological processes underlying the earliest stages of AD (Cohen et al., 2013). Whether synaptic alterations occur in hippocampus prior to reported learning and memory deficit is not known. Furthermore, it is not known if specific hippocampal synapses are differentially affected by progressing AD pathology, or if synaptic deficits begin to appear at the same age in males and females in this preclinical model. Here, we investigated the time-course of synaptic changes in basal transmission, paired-pulse ratio, as an indirect measure of presynaptic release probability, long-term potentiation (LTP), and dendritic spine density at two hippocampal synapses in male and ovariectomized female TgF344-AD rats and wildtype littermates, prior to reported behavioral deficits. Decreased basal synaptic transmission begins at medial perforant path-dentate granule cell (MPP-DGC) synapses prior to Schaffer-collateral-CA1 (CA3-CA1) synapses, in the absence of a change in paired-pulse ratio (PPR) or dendritic spine density. N-methyl-d aspartate receptor (NMDAR)-dependent LTP magnitude is unaffected at CA3-CA1 synapses at 6, 9, and 12months of age, but is significantly increased at MPP-DGC synapses in TgF344-AD rats at 6months only. Sex differences were only observed at CA3-CA1 synapses where the decrease in basal transmission occurs at a younger age in males versus females. These are the first studies to define presymptomatic alterations in hippocampal synaptic transmission in the TgF344-AD rat model. The time course of altered synaptic transmission mimics the spread of pathology through hippocampus in human AD and provides support for this model as a valuable preclinical tool in elucidating pathological mechanisms of early synapse dysfunction in AD. PMID- 29199136 TI - Cerebral venous collaterals: A new fort for fighting ischemic stroke? AB - Stroke therapy has entered a new era highlighted by the use of endovascular therapy in addition to intravenous thrombolysis. However, the efficacy of current therapeutic regimens might be reduced by their associated adverse events. For example, over-reperfusion and futile recanalization may lead to large infarct, brain swelling, hemorrhagic complication and neurological deterioration. The traditional pathophysiological understanding on ischemic stroke can hardly address these occurrences. Accumulating evidence suggests that a functional cerebral venous drainage, the major blood reservoir and drainage system in brain, may be as critical as arterial infusion for stroke evolution and clinical sequelae. Further exploration of the multi-faceted function of cerebral venous system may add new implications for stroke outcome prediction and future therapeutic decision-making. In this review, we emphasize the anatomical and functional characteristics of the cerebral venous system and illustrate its necessity in facilitating the arterial infusion and maintaining the cerebral perfusion in the pathological stroke content. We then summarize the recent critical clinical studies that underscore the associations between cerebral venous collateral and outcome of ischemic stroke with advanced imaging techniques. A novel three-level venous system classification is proposed to demonstrate the distinct characteristics of venous collaterals in the setting of ischemic stroke. Finally, we discuss the current directions for assessment of cerebral venous collaterals and provide future challenges and opportunities for therapeutic strategies in the light of these new concepts. PMID- 29199138 TI - Leaf shape diversity with an emphasis on leaf contour variation, developmental background, and adaptation. AB - Leaf shape varies markedly. Here I focus on the diversity in leaf contour, which can be considered marginal variation in curvature if we omit detailed marginal structures such as serrations. This curvature can be described by a combination of sigmoids: a curve for the apical half and a curve for the basal half connected with or without an interval. Marginal curvature is determined by the position of the leaf meristem, the acceleration and deceleration of cell proliferation in the leaf meristem, and the angle of directed cell proliferation. Several key factors contributing to this variation have been revealed to date, but the majority of the underlying genetic mechanisms are unclear. Here I provide an overview of current knowledge and propose future directions for the field. PMID- 29199139 TI - When dying is not the end: Apoptotic caspases as drivers of proliferation. AB - Caspases are well known for their role as executioners of apoptosis. However, recent studies have revealed that these lethal enzymes also have important mitogenic functions. Caspases can promote proliferation through autonomous regulation of the cell cycle, as well as by induction of secreted signals, which have a profound impact in neighboring tissues. Here, I review the proliferative role of caspases during development and homeostasis, in addition to their key regenerative function during tissue repair upon injury. Furthermore, the emerging properties of apoptotic caspases as drivers of carcinogenesis are discussed, as well as their involvement in other diseases. Finally, I examine further effects of caspases regulating death and survival in a non-autonomous manner. PMID- 29199141 TI - Effects of Amitriptyline and Escitalopram on Sleep and Mood in Patients With Functional Dyspepsia. AB - BACKGROUND & AIMS: Tricyclic antidepressants are effective in reducing symptoms of functional dyspepsia (FD). We performed a post hoc analysis of data from a previous randomized clinical trial to determine whether the benefits of an antidepressant on gastrointestinal symptoms in patients with FD were mediated by improving sleep or reducing anxiety. We explored the relationships between psychological measures, quality of sleep, and relief of symptoms. METHODS: We analyzed data from a multicenter, double-blind trial that evaluated the efficacy of antidepressants on symptoms of FD, from October 2006 through October 2012. Patients (n = 292) were randomly assigned to groups given 50 mg amitriptyline, 10 mg escitalopram, or placebo for 12 weeks. During the study, participants completed the following validated psychological questionnaires: Symptom Check List 90, Symptom Somatic Checklist, Hospital Anxiety Depression Scale, Profile of Mood States, State Trait Anxiety Inventory, and Pittsburgh Sleep Quality Index at baseline and 12 weeks following treatment. RESULTS: Baseline scores for the psychological and sleep measures were similar among groups; after 12 weeks there were no significant differences in scores among groups. Baseline mean global Pittsburgh Sleep Quality Index scores indicated poor sleep quality in all groups at baseline and after 12 weeks. Overall, antidepressants affected sleep duration scores: patients given amitriptyline had lower (better) scores than patients given placebo or escitalopram (P = .019). In all groups, responders had decreased anxiety and improvements in some sleep components. CONCLUSIONS: In a post hoc analysis of data from a clinical trial that evaluated the effects of antidepressants in patients with FD, amitriptyline was found to reduce symptoms of FD, but its mechanism is unlikely to involve reductions in psychological distress. The drug may modestly improve sleep. Clinicaltrials.gov no: NCT00248651. PMID- 29199137 TI - Brodmann area 10: Collating, integrating and high level processing of nociception and pain. AB - Multiple frontal cortical brain regions have emerged as being important in pain processing, whether it be integrative, sensory, cognitive, or emotional. One such region, Brodmann Area 10 (BA 10), is the largest frontal brain region that has been shown to be involved in a wide variety of functions including risk and decision making, odor evaluation, reward and conflict, pain, and working memory. BA 10, also known as the anterior prefrontal cortex, frontopolar prefrontal cortex or rostral prefrontal cortex, is comprised of at least two cytoarchitectonic sub-regions, medial and lateral. To date, the explicit role of BA 10 in the processing of pain hasn't been fully elucidated. In this paper, we first review the anatomical pathways and functional connectivity of BA 10. Numerous functional imaging studies of experimental or clinical pain have also reported brain activations and/or deactivations in BA 10 in response to painful events. The evidence suggests that BA 10 may play a critical role in the collation, integration and high-level processing of nociception and pain, but also reveals possible functional distinctions between the subregions of BA 10 in this process. PMID- 29199140 TI - Physiological functions of non-apoptotic caspase activity in the nervous system. AB - Caspases are cysteine proteases that play important and well-defined roles in apoptosis and inflammation. Increasing evidence point to alternative functions of caspases where restricted and localized caspase activation within neurons allows for a variety of non-apoptotic and non-inflammatory processes required for brain development and function. In this review, we highlight sublethal caspase functions in axon and dendrite pruning, neurite outgrowth and dendrite branches formation, as well as in long-term depression and synaptic plasticity. Importantly, as non-apoptotic activity of caspases is often confined in space and time in neurons, we also discuss the mechanisms that restrict caspase activity in order to maintain the neuronal networks in a healthy and functional state. PMID- 29199143 TI - Digital Single-Operator Cholangioscopy for Difficult Bile Duct Stones: Out With the Old in With the New? PMID- 29199144 TI - Alcoholic Liver Disease Replaces Hepatitis C Virus Infection as the Leading Indication for Liver Transplantation in the United States. PMID- 29199146 TI - Constipation. PMID- 29199145 TI - Acetaminophen-induced Acute Liver Failure Is More Common and More Severe in Women. AB - BACKGROUND & AIMS: Acetaminophen overdose is the leading cause of acute liver injury (ALI) and acute liver failure (ALF) in the developed world. Sex differences in acetaminophen-induced hepatotoxicity have not been described. METHODS: We collected data from the Acute Liver Failure Study Group cohort, a national registry of 32 academic medical centers in North America of adults with ALI or ALF, including 1162 patients with acetaminophen-induced ALI (n = 250) or acetaminophen-induced ALF (n = 912) from January 2000 through September 2016. We analyzed data on patient presentation, disease course, demographics, medical and psychiatric history, medication use, substance use, and details of acetaminophen ingestion. Sex differences in continuous and categorical variables were evaluated by Wilcoxon rank-sum and chi2 analysis or the Fisher exact test. Our primary aim was to evaluate sex differences in the presentation and clinical course of acetaminophen-induced acute liver injury or liver failure, and our secondary goal was to compare overall and transplant-free survival between sexes. RESULTS: Most patients with acetaminophen-induced ALI (68%) or ALF (76%) were women. Higher proportions of women than men had psychiatric disease (60% of women vs 48% of men, P < .01) and had co-ingestion with sedating agents (70% of women vs 52% of men, P < .01)-more than half of which were opioids. Higher proportions of women had severe hepatic encephalopathy (HE) (68% of women vs 58% of men), and required intubation (67% of women vs 59% of men, P values <.03). Higher proportions of women used vasopressors (26% of women vs 19% of men, P = .04) or mannitol (13% of women vs 6% of men, P < .01); proportions of male vs female patients with transplant-free survival were similar (68%). On adjusted analysis, women had higher risk of severe HE (adjusted odds ratio [AOR], 1.66; 95% CI, 1.17-2.35). We found a significant interaction between sex and co-ingestion of sedating agents (P < .01); co-ingestion increased odds of severe HE in women 2-fold (AOR, 1.86; 95% CI, 1.28-2.69; P < .01) but not in men (AOR; 0.62; 95% CI, 0.34-1.13; P = .12). CONCLUSIONS: In an analysis of the Acute Liver Failure Study Group cohort, we found acetaminophen-induced ALI and ALF to be more common among women. Women have greater critical care needs than men, and increased risk for severe HE, which could be due in part to increased use of sedatives. Future studies should investigate sex differences in acetaminophen metabolism and hepatotoxicity, particularly among users of opioids. PMID- 29199147 TI - Factors Associated With Progression of Barrett's Esophagus: A Systematic Review and Meta-analysis. AB - BACKGROUND & AIMS: Endoscopic surveillance of patients with Barrett's esophagus (BE) is inefficient. Risk stratification of patients might improve the effectiveness of surveillance. We performed a systematic review and meta-analysis to identify factors associated with progression of BE without dysplasia or BE with low-grade dysplasia (LGD) to high-grade dysplasia or esophageal adenocarcinoma. METHODS: We performed a systematic search of databases through May 2016 to identify cohort studies of patients with baseline BE without dysplasia or BE with LGD that reported predictors of progression. Pooled estimates (odds ratios) of associations of age, sex, smoking, alcohol use, obesity, baseline LGD, segment length, and medication use with progression were calculated. RESULTS: We identified 20 studies, reporting 1231 events in 74943 patients. The studies associated BE progression with increasing age (12 studies; odds ratio [OR], 1.03; 95% CI, 1.01-1.05), male sex (11 studies; OR, 2.16; 95% CI, 1.84-2.53), ever smoking (current or past, 8 studies; OR, 1.47; 95% CI, 1.09 1.98), and increasing BE segment length (10 studies; OR, 1.25; 95% CI, 1.16 1.36), with a low degree of heterogeneity. LGD was associated with a 4-fold increase in risk of BE progression (11 studies; OR, 4.25; 95% CI, 2.58-7.0). Use of proton pump inhibitors (4 studies; OR, 0.55; 95% CI, 0.32-0.96) or statins (3 studies; OR, 0.48; 95% CI, 0.31-0.73) were associated with lower risk of BE progression. Alcohol use and obesity did not associate with risk of progression. CONCLUSIONS: In a systematic review and meta-analysis, we associated older age, male sex, smoking, longer BE segment, and LGD with risk of progression of BE. Individuals with these features should undergo more intensive surveillance or endoscopic therapy. Smoking is a modifiable risk factor for cancer prevention in patients with BE. PMID- 29199149 TI - Ultra-high mass multimer analysis of protein-1a capping domains by a silicon nanomembrane detector. AB - Conventional time of flight ion detectors are based on secondary electron multipliers encountering a significant loss in detection efficiency, sensitivity and resolution with protein mass above 50kDa. In this work we employ a silicon nanomembrane detector in a Matrix-Assisted Laser Desorption/Ionization coupled to time of flight (MALDI-TOF) mass spectrometer. The operating principle relies on phonon-assisted field emission with excellent performance in the high mass range from 0.001-2MDa. In addition to the analysis of standard proteins the nanomembrane detector (NMD) has the potential for the detection and structural investigation of complex macromolecular assemblies through non-covalent interactions. In order to investigate this hypothesis, the N-terminal capping/methyltransferase domain (CAP) of the Brome Mosaic Virus (BMV) 1a replication protein by MALDI-TOF-NMD is analyzed. The signals detected at the high m/z-ratios of 912.6/982.7 (*103) and 1333.3 (*103) could be modified species of CAP-tricta/tetractamer and the octadecamer. For the first time, the NMD is applied to detect biologically complex macromolecular protein assemblies. Hence, this technology overcomes the limitations of conventional TOF-detectors and increases the analytical range of MALDI-TOF. This technology will be a future alternative for the structural analysis of intact virus capsids that will complement other MS-based techniques such as native mass spectrometry. PMID- 29199148 TI - Do Zones of Hepatic Steatosis Associate With Subtypes and Progression of Nonalcoholic Fatty Liver Disease in Children? PMID- 29199150 TI - Peroxiredoxin-2 and zinc-alpha-2-glycoprotein as potentially combined novel salivary biomarkers for early detection of oral squamous cell carcinoma using proteomic approaches. AB - : No effective screening method is available for oral squamous cell carcinoma (OSCC) that is recognized to influence by environmental factors as well as human papillomavirus (HPV) and Epstein-Barr virus (EBV). Therefore, we sought to identify salivary biomarkers for screening of OSCC with or without HPV and/or EBV infection. Saliva, lesion and oral exfoliated cells were collected from OSCC patients and cancer-free controls (CFCs) and grouped depending on their HPV- and EBV-infection status. Salivary protein was precipitated and subjected to 2 dimensional gel electrophoresis. Differential expression of proteins was identified by mass spectrometry and validated by Western blotting. Distinctive expression patterns of salivary proteins were detected in OSCC as compared with CFCs. Levels of peroxiredoxin-2 (PRDX-2) and zinc-alpha-2-glycoprotein (ZAG) were significantly up-regulated in OSCC cases (p<0.001) relative to CFCs. Similarly, these proteins were also up-regulated in lesion cells compared with oral exfoliated cells (p<0.001). However, the expression patterns of these proteins were not significantly influenced by patient histories (risk factors). In combination, these proteins yielded the highest discriminatory power (AUC=0.999), sensitivity (100%), and specificity (98.77%) in distinguishing the early stages of OSCC. The detection of PRDX-2 combining with ZAG protein could potentially be used as salivary biomarkers for early screening of OSCC. SIGNIFICANCE: Our findings demonstrate a useful of combined detection of PRDX-2 and ZAG as a salivary biomarker for the early detection of OSCC. PMID- 29199151 TI - Gender influence on the salivary protein profile of finishing pigs. AB - : A study on gender differences in the normal range of biomarkers in porcine saliva samples has the scope for further attention. In the present study, the salivary protein profiles of age-matched healthy male and female finishing pigs were compared. The levels of salivary adenosine deaminase (ADA) activity, haptoglobin (Hp) and C-reactive protein (CRP) have been quantified in 32 male and 32 female pigs to ensure the presence of gender effect on the median levels of salivary biomarkers. Moreover, the total salivary protein content was quantified and compared. The overall salivary protein distribution was compared with SDS PAGE in 14 male and 14 female pigs and the possible gender influence in the salivary protein profile was analysed by 2DE in 6 male and 6 female pigs. Statistically significant differences were observed in the median values of Hp, CRP, and ADA between male and female pigs (p<0.005). Although the total salivary protein content was not different between the sexes, the salivary protein distribution and profile showed specific gender differences in three proteins of the lipocalin family: the odorant-binding protein, salivary lipocalin and lipocalin 1. These proteins have been related to animal immune status and should be further explored as possible porcine salivary biomarkers. SIGNIFICANCE: The biological relevance of the reported research is based on the possible gender influence on the discovery of salivary biomarkers in porcine production. As differences have been reported in the salivary protein distribution in male pigs in comparison to that of female pigs, the normal-range values, according to gender, of the newly discovered biomarkers should be explored and defined prior to its application in the porcine production system. A hormonal sexual influence is highly hypothesized. PMID- 29199152 TI - Low level Hg2+ exposure modulates the B-cell cytoskeletal phosphoproteome. AB - : Exposure of Wehi-231 B-cells to Hg2+ for 5min resulted in concentration dependent changes in protein phosphorylations. Phosphorylation was quantified using mass spectrometry to analyze TiO2 and anti-pTyr antibody selected phosphopeptides from Wehi-231 digests. The most frequent and largest amplitude responses to Hg2+ exposure were increased phosphorylation although a decrease was observed for 1% of phosphoproteins detected in the untreated cells. A subset of proteins responded with an increase in phosphorylation to Hg2+ exposure at low micromolar concentrations. The majority of proteins required Hg2+ over 20MUM in order to increase phosphorylation. Ser/Thr phosphorylations are prominent in the cytoskeletal organization and the GTPase signaling systems and these systems are notable as the primary ones responding to the lowest concentrations of Hg2+. Systems that required higher concentrations of Hg2+ to increase phosphorylation included immune receptor signaling. The proteins for which an increase in phosphorylation occurred at Hg2+ above 20MUM have a higher proportion of pTyr sites. Anti Ig stimulation of Wehi-231 cells confirmed that cytoskeletal protein phosphorylation and GTPase signaling are modulated in physiologically relevant B cell receptor activation. Candidate kinases that respond to Hg2+ exposure at the low MUM concentrations include MAP Kinase 1, CaM Kinase II delta and PAK2. SIGNIFICANCE: Mercury (Hg) is a wide spread environmental toxicant. Epidemiological and laboratory studies suggest that exposure to environmental Hg at current levels, which have been perceived to be non-toxic, may contribute to immune system dysfunction and autoimmune disease in humans and animals respectively. While we have previously shown that exposure of B lymphocytes to low levels of mercury interferes with B-cell receptor signaling mediated by post transcriptional phosphorylation events, overall the mechanism that is responsible for increased autoimmunity in mercury exposed human or animal populations is not well understood. The current study evaluated the dose dependent actions of mercury to change phosphorylation in the Wehi-231 cell line, an immature B-cell model in which actions of mercury on development of cell function can be evaluated. The study identified the cytoskeletal proteins as the most sensitive to modulation by mercury with changes in Ser/Thr phosphorylation being observed at the lowest concentrations of mercury. These findings indicate that the actions of mercury on B-cell immune function and development are at least in part likely mediated through changes in cytoskeletal protein phosphorylation. PMID- 29199153 TI - Retrospective assessment of an assisted reproductive technology method. AB - The validation of methods in medical biology is a fundamental step in which the laboratory defines its analytical objectives, characterizes the performance of the technique according to the level of quality it fixes and discusses the results obtained. The objective of this work is to contribute to respect the requirements of ISO 15189 in terms of performance verification of a manual qualitative technique of medically assisted procreation (PMA): morphological identification of the oocyte, the zygote and the embryo, harmonization of professional practices and assessment of competences by associating the bibliographic approach and above all by justifying its choices. Validation of PMA methods is difficult for reasons related to the mostly manual methods used in our context but also to the type of matrix i.e. the oocyte sampling which remains a valuable harvest. Due to the lack of internal quality control and external quality evaluation, risk control in the three pre-, post- and post-analytical stages becomes decisive, based on the 5M method, the establishment of coherent means of control adapted to its own practice, it also concerns the empowerment of staff through training, evaluation and monitoring of operators' performance. PMID- 29199154 TI - Leukocytoclastic vasculitis associated with crusted scabies. PMID- 29199155 TI - Determination of procalcitonin (PCT) in micro-method on AQT90 FLEX(r) analyzer and in vitro stability study. AB - Radiometer(r) has developed a point-of-care test for fast PCT measurement on whole blood in micromethod on a AQT90 FLEX(r) instrument. We have verified the analytical performances of the AQT90 FLEX(r) PCT assay in heparinized macrotube and EDTA microtube for pediatric use, according to modified French Society of Clinical Biology (SFBC) protocol to the requirements of the standard NF EN ISO 15189: 2012. The samples (n=61, 30 macrotubes, 31 microtubes) were analyzed by the Brahms Kryptor Compact Plus(r) reference method vs the AQT90 FLEX(r). In a second step, we studied the stability of the PCT at room temperature for 24 h. A good correlation between the two methods on macro- or microtubes is observed (respectively r=0.990 and 0.993). The Bland-Altmann representations confirm the excellent correlation with a deviant, above the acceptable limit, which was calculated according to ISO 5725-6, for each type of tube and for the two concentration ranges (lower and greater than 1 ng/mL). The biases observed do not affect the clinical decision. No degradation of PCT after 24 h was demonstrated by the Mann and Whitney test on macro- and microtubes (p=0.50 and 0.34, respectively). The determination of PCT on AQT90 FLEX(r) has satisfactory analytical characteristics and can be used as point-of-care testing device on whole blood without pre-analytical treatment. In heparinized macrotube and EDTA microtube, the PCT is stable at room temperature up to 24 h. PMID- 29199156 TI - Consensus Report on Gastroesophageal Reflux Disease in Turkey. PMID- 29199157 TI - Method. PMID- 29199158 TI - How is the gastroesophageal reflux disease prevalence, incidence, and frequency of complications (stricture/esophagitis/Barrett's esophagus/carcinoma) in Turkey compared to other geographical regions globally? PMID- 29199159 TI - How is gastroesophageal reflux disease classified? AB - Gastroesophageal reflux disease (GERD) is one of the most commonly diagnosed conditions in the daily practice of gastroenterologists. Due to variations in symptoms and clinical findings, differences in the severity of the disease in each patient and the fact that diverse methods are used for making a diagnosis makes a single and standard classification of this disease impossible. Here a step-approach suitable for GERD classification is summarized. PMID- 29199160 TI - What is the place of empirical proton pump inhibitor testing in the diagnosis of gastroesophageal reflux disease? (Description, duration, and dosage). AB - Empirical acid suppression tests that are performed with proton pump inhibitors (PPI) are used to detect both the presence of acid-related gastrointestinal symptoms and gastroesophageal reflux disease (GERD). In comparison to other diagnostic methods, it is non-invasive, easily applicable, and cost-effective in the diagnosis of GERD. In addition to typical reflux symptoms, it can also be used for diagnostic purposes in patients with non-cardiac chest pain (NCCP). If the symptom response is 50% and above when obtained using the PPI test in patients with NCCP, it can be considered as positive and the treatment should be continued sensitivity of the PPI test in patients with typical symptoms of GERD is 27%-89%, while its specificity is 35%-83%. Although there are differences related to the duration and dosage of the PPI test, a significant difference has not been found according to the type of PPI. When PPI test sensitivity and specificity were calculated by cumulatively evaluating the data regarding the PPI test in the literature, a sensitivity of 82.3% and specificity of 51.5% was obtained. It has been found that high doses of PPI were mostly used in studies, and the duration of the median test was 14 days. As a result, the sensitivity of PPI trial test is good, but the specificity is low in the diagnosis of GERD in patients with typical reflux symptoms. PMID- 29199161 TI - Indications of 24-h esophageal pH monitoring, capsule pH monitoring, combined pH monitoring with multichannel impedance, esophageal manometry, radiology and scintigraphy in gastroesophageal reflux disease? AB - Ambulatory esophageal pH monitoring is an essential method in patients exhibiting signs of non-erosive reflux disease (NERD) to make an objective diagnosis. Intra esophageal pH monitoring is important in patients who are non-responsive to medications and in those with extraesophageal symptoms, particularly in NERD, before surgical interventions. With the help of the wireless capsule pH monitoring, measurements can be made under more physiological conditions as well as longer recordings can be performed because the investigation can be better tolerated by patients. Ambulatory esophageal pH monitoring can be detected within normal limits in 17%-31.4% of the patients with endoscopic esophagitis; therefore, normal pH monitoring cannot exclude the diagnosis of gastroesophageal reflux disease (GERD). Multi-channel intraluminal impedance pH (MII-pH) technology have been developed and currently the most sensitive tool to evaluate patients with both typical and atypical reflux symptoms. The sensitivity of a pH catheter test is 58% for the detection of acid reflux compared with MII-pH monitoring; further, its sensitivity is 28% for the detection of weak acid reflux compared with MII-pH monitoring. By adding impedance to pH catheter in patients with reflux symptoms, particularly in those receiving PPIs, it has been demonstrated that higher rates of diagnoses and symptom analyses can be obtained than those using only pH catheter. Esophageal manometry is used in the evaluation of patients with functional dysphagia and unexplained noncardiac chest pain and prior to antireflux surgery. The use of esophageal manometry is suitable for the detection of esophageal motor patterns and extreme motor abnormalities (e.g., achalasia and extreme hypomotility). Esophageal manometry and ambulatory pH monitoring are often used in assessments prior to laparoscopic antireflux surgery and in patients with reflux symptoms refractory to medical treatment. Although the esophageal motility is predominantly normal in patients with non-acid reflux, ineffective esophageal motility is often monitored in patients with acid reflux. In the literature, there are contradictory and an insufficient number of studies regarding radiological methods for the diagnosis of GERD. There are inconsistent values for sensitivity and specificity among the barium studies. There are inadequate studies in the literature involving scintigraphic examinations in the diagnosis of GERD, and a majority of existing studies have been conducted in the pediatric group. The results of a few studies do not provide sufficient contribution toward the implementation in clinical practice. PMID- 29199162 TI - To whom and when the upper gastrointestinal endoscopy is indicated in gastroesophageal reflux disease? What is the role of routine esophageal biopsy? Which endoscopic esophagitis classification should be used? AB - Gastroesophageal reflux disease (GERD) is a chronic disease characterized with heartburn and regurgitation symptoms. The prevalence of these symptoms in Turkey is reported to be as high as 20%. GERD negatively effects the quality of life along with the development of some complications due to chronic course. Upper gastrointestinal endoscopy is commonly performed for diagnosis and surveillance of complications in the context of GERD. However, there is no consensus in terms of timing and indications for endoscopy, use of esophagitis classification system, to obtain a biopsy sample or recommendation for surveillance endoscopy. In order to answer these questions, we performed a systematic literature search. In this article, we report our findings for these targeted questions and our proposals as a result of the national consensus program on GERD. PMID- 29199163 TI - How should we describe, diagnose and observe the Barrett's esophagus? AB - Barrett's esophagus (BE) is one of the major complications of gastroesophageal reflux disease (GERD) commonly encountered in gastroenterology clinics. A consensus has not been achieved yet with respect to the definition of BE in published guidelines. It is advised to use the Prague classification and not to use the definition of short and long segments for the endoscopic standardization of BE. Undertaking biopsies with white-light endoscopy from each of the 4 quadrants at 2-cm intervals is the standard method for the diagnosis of BE. Because of the ability to perform targeted biopsies, the available data indicate that advanced endoscopic techniques may reduce the number of biopsies needed for diagnoses. In the presence of severe esophagitis along with BE, the biopsies should be taken after 8 weeks of PPI therapy. The evidence values of the suggestions about the surveillance requirements and surveillance frequencies are low because the available data mostly rely on retrospective studies. We suggest that all the patients with BE should be referred to specialized centers for surveillance in Turkey. Considering the additional risk factors of the patient, endoscopy surveillance intervals of the patients with BE without dysplasia should be in a range of 3-5 years and annual surveillance should be made in BE with low grade dysplasia. In the presence of BE with high-grade dysplasia (HGD), the patients should be referred to specialized centers for treatment within 3 months at the latest. PMID- 29199164 TI - Does the treatment of proton pump inhibitors reduce dysplasia or adenocarcinoma development in Barrett's esophagus? AB - Besides reducing the reflux symptoms, the benefit of proton pump inhibitors (PPI) in the treatment of Barrett's esophagus (BE) is not exactly known. The data in the literature show that although the PPI treatment does not reduce the Barrett's segment length, it can reduce dysplasia or the development of early-stage adenocarcinoma (odds ratio (OR): 0.46). Therefore, treatments with PPI may be considered in patients with a diagnosis of BE and at a high risk of adenocarcinoma, even though they are not symptomatic. PMID- 29199165 TI - The role of lifestyle changes in gastroesophageal reflux diseases treatment. AB - Lifestyle modification has an important role in the treatment of gastroesophageal reflux disease (GERD). The development of GERD symptoms with various foods shows individual differences. Although there is not enough evidence that certain substances in a diet could lead to GERD symptoms, the literature suggests that there might be a relationship between reflux development and salt, salted foods, chocolate, fatty foods, and fizzy drinks. Because lying on the left side and raising the head of the bed in a supine position reduces the development of nocturnal reflux symptoms, the head should be elevated for patients with reflux symptoms at night, and the patient should lie on the left side. Smoking and obesity (especially abdominal) trigger GERD symptoms. Whereas excessive physical activity is a significant risk factor for the development of GERD, regular and mild-moderate physical activity has been shown to reduce the symptoms of reflux. PMID- 29199166 TI - Which drugs are risk factors for the development of gastroesophageal reflux disease? AB - Gastroesophageal reflux disease (GERD), which is common in many communities, is associated with structural factors, eating habits, and the use of certain drugs. The use of such drugs can lead to the emergence of GERD and can also exacerbate existing reflux symptoms. These drugs can contribute to GERD by directly causing mucosal damage, by reducing lower esophageal sphincter pressure (LESP), or by affecting esophagogastric motility. In this article, we report our investigation of the relationships between GERD and medications within the scope of the "Turkish GERD Consensus Group." For the medication groups for which sufficient data were obtained (Figure 1), a systematic literature review in English was conducted using the keywords "gastroesophageal reflux" [MeSH Terms] and "anti inflammatory agents, non-steroidal" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "acetylsalicylic acid" [MeSH Terms], "gastroesophageal reflux" [All Fields] and "estrogenic agents" [All Fields], "gastroesophageal reflux" [All Fields] and "progesterones" [All Fields], "gastroesophageal reflux" [All Fields] and "hormone replacement therapy" [All Fields], "gastroesophageal reflux" [MeSH Terms] and "diphosphonates" [MeSH Terms] OR "diphosphonates" [All Fields], "calcium channel blockers" [MeSH Terms] and "gastroesophageal reflux" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "nitrates" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "antidepressive agents" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "benzodiazepines" [MeSH Terms] and "hypnotic drugs" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "cholinergic antagonists" [MeSH Terms], "gastroesophageal reflux" [MeSH Terms] and "theophylline" [MeSH Terms], and "gastroesophageal reflux [MeSH Terms] AND "anti-asthmatic agents" [MeSH Terms]. The studies were analyzed and the results are presented here. PMID- 29199167 TI - Which diseases are risk factors for developing gastroesophageal reflux disease? AB - Although the pathophysiology of gastroesophageal reflux disease (GERD) remains unclear, it is accepted as a multifactorial disease. It is thought that some of the interventions that might cause alterations in the normal gastrointestinal tract anatomy and diseases that affect the lower esophageal sphincter, esophageal clearance, and stomach motility (gastric emptying) might lay a foundation for GERD development. Moreover, it is common knowledge that GERD might cause various extraesophageal symptoms and complications. A possible connection between GERD and sarcoidosis, amyloidosis, hypothyroidism, rheumatoid arthritis, mixed connective tissue disorders, Sjogren's syndrome, systemic sclerosis, diabetes mellitus, cholecystectomy, sleeve gastrectomy, sleep apnea syndrome, chronic obstructive pulmonary disease, and asthma were summarized in this literature review. PMID- 29199168 TI - Medical treatment of gastroesophageal reflux disease. AB - Proton pump inhibitors (PPIs) are the most effective agents in the first-line and maintenance treatment of gastroesophageal reflux disease. As the grade of esophagitis increases, an increase is also observed in the level of endoscopic response to PPIs. In the first-line therapy of patients with severe esophagitis (Los Angeles (LA) Grade C-D), administration of a standard dose of PPIs bid has been reported to be more beneficial than PPIs qd. While any intermittant and low dose-continuous treatment can be chosen for the maintenance therapy of patients with non-erosive reflux disease or mild esophagitis (LA Grade A-B), continuous use of a standard dose of PPIs is preferred in the maintenance therapy of patients with severe esophagitis (LA Grade C-D). In patients who use PPIs for a long time, the drug must be stopped by gradually decreasing the dose. PMID- 29199142 TI - High Risk of Anal and Rectal Cancer in Patients With Anal and/or Perianal Crohn's Disease. AB - BACKGROUND & AIMS: Little is known about the magnitude of the risk of anal and rectal cancer in patients with anal and/or perineal Crohn's disease. We aimed to assess the risk of anal and rectal cancer in patients with Crohn's perianal disease followed up in the Cancers Et Surrisque Associe aux Maladies Inflammatoires Intestinales En France (CESAME) cohort. METHODS: We collected data from 19,486 patients with inflammatory bowel disease (IBD) enrolled in the observational CESAME study in France, from May 2004 through June 2005; 14.9% of participants had past or current anal and/or perianal Crohn's disease. Subjects were followed up for a median time of 35 months (interquartile range, 29-40 mo). To identify risk factors for anal cancer in the total CESAME population, we performed a case-control study in which participants were matched for age and sex. RESULTS: Among the total IBD population, 8 patients developed anal cancer and 14 patients developed rectal cancer. In the subgroup of 2911 patients with past or current anal and/or perianal Crohn's lesions at cohort entry, 2 developed anal squamous-cell carcinoma, 3 developed perianal fistula-related adenocarcinoma, and 6 developed rectal cancer. The corresponding incidence rates were 0.26 per 1000 patient-years for anal squamous-cell carcinoma, 0.38 per 1000 patient-years for perianal fistula-related adenocarcinoma, and 0.77 per 1000 patient-years for rectal cancer. Among the 16,575 patients with ulcerative colitis or Crohn's disease without anal or perianal lesions, the incidence rate of anal cancer was 0.08 per 1000 patient-years and of rectal cancer was 0.21 per 1000 patient-years. Among factors tested by univariate conditional regression (IBD subtype, disease duration, exposure to immune-suppressive therapy, presence of past or current anal and/or perianal lesions), the presence of past or current anal and/or perianal lesions at cohort entry was the only factor significantly associated with development of anal cancer (odds ratio, 11.2; 95% CI, 1.18 551.51; P = .03). CONCLUSIONS: In an analysis of data from the CESAME cohort in France, patients with anal and/or perianal Crohn's disease have a high risk of anal cancer, including perianal fistula-related cancer, and a high risk of rectal cancer. PMID- 29199169 TI - Treatment of reflux disease during pregnancy and lactation. AB - Gastroesophageal reflux disease (GERD) is frequently seen during pregnancy. In the medical treatment of pregnant women with GERD, alginic acid and sucralfate can be used. Calcium- and magnesium-based antacids can also be used, particularly for patients with preeclampsia. In particular, ranitidine -a histamine-2 receptor blocker- is preferred. In the case of non-responsiveness to the abovementioned treatments, proton pump inhibitors (PPIs), except omeprazole, can be given considering the benefit-harm ratio for the mother and fetus after the first trimester. In cases with GERD during the lactation period, drugs having minimum systemic absorption, such as sucralfate and alginic acid, are preferable but there is no data. PMID- 29199171 TI - Gastroesophageal reflux disease and the relationship with Helicobacter pylori. AB - After Helicobacter pylori was identified, and its relationship with peptic ulcer disease was exactly shown, the relationship of this bacterium with gastroesophageal reflux disease (GERD) gained momentum and discussions continue to this day. We reviewed the literature for the relationship between H. pylori and GERD. According to the existing data, there is no relationship between GERD and H. pylori presence. Successful eradication therapy does not have an impact on the emergence or exacerbation of GERD. However Barrett's esophagus and esophageal adenocarcinoma are less frequent, especially in the presence of CagA positive H. pylori infections. Long-term use of proton pump inhibitor (PPI) may have an impact on the development of atrophy and/or intestinal metaplasia in H. pylori positive patients; therefore, H. pylori eradication is recommended in patients that should use long-term PPI. As a conclusion, H. pylori screening and the eradication decision should be independent of GERD, except for patients that will use long-term PPI. PMID- 29199170 TI - What is the long term acid inhibitor treatment in gastroesophageal reflux disease? What are the potential problems related to long term acid inhibitor treatment in gastroesophageal reflux disease? How should these cases be followed? AB - The meta-analyses of observational studies (OBS) showed the risk of any fracture and hip fracture slightly increased with proton pump inhibitor (PPI) treatment depending on the dose and regardless of time. This was not observed with histamine-2 receptor antagonists (H2RA). The risk of bacterial overgrowth and spontaneous bacterial peritonitis were increased with PPI therapy, but not with H2RA. In meta-analyses of OBS, a slight increase was observed in the risk of community-acquired pneumonia (CAP) in the early stages (<1 month) of PPI use and particularly at high doses. In a five-year LOTUS study, no difference was found in vitamin B12, folic acid, vitamin D, and calcium values in terms of the initial and end of follow-up levels. No increase in the risk of premalignant gastric lesions was observed in the meta-analysis of RCTs in which PPI treatment (>=6 months) was given to Helicobacter pylori negative patients. The risk of hypomagnesemia with PPI use was increased in patients having GFR<60, using diuretics, and over 65 years of age. Quasi-experimental studies showed a reduced zinc absorption with PPI use. In the meta-analysis of OBS, long-term (>1 year) PPI use increased the risk of fundic polyps, but no risk was found in shorter use. The meta-analyses of RCTS showed no difference between PPI and surgery or placebo arms and between the arms of H2RA and placebo in terms of all side effects. No difference was found between the PPI and H2RA arms both in all and serious adverse effects. PMID- 29199172 TI - When proton pump inhibitors are compared, are there specific cases in which a certain proton pump inhibitors should be particularly preferred? AB - Currently, proton pump inhibitors (PPIs) are widely used either over the counter or on prescription drugs. PPI's are frequently used with other drugs when elderly and chronic desease burden population is taken to consideration. Drug interactions with PPIs are a prominent clinical problem in this direction. In this study, we reviewed potential risks of concomittant use of PPIs and other drugs and apropriate PPI choise. PMID- 29199173 TI - What is proton pump inhibitors unresponsiveness in gastroesophageal reflux disease? How should these cases be managed? AB - Proton pump inhibitors become the most potent therapeutic option in gastroesophageal reflux disease. Unresponsiveness to this treatment is not uncommon in clinical practice. We reviewed the definition of PPI unresponsiveness and the management of this situation. PMID- 29199174 TI - Endometrioma of the sigmoid colon presenting with intestinal obstruction. PMID- 29199175 TI - Author's Reply. PMID- 29199176 TI - Retrospective Evaluation of Hairy Cell Leukemia Patients Treated with Three Different First-Line Treatment Modalities in the Last Two Decades: A Single Center Experience. AB - OBJECTIVE: In this study, we retrospectively analyzed the clinical outcome, treatment responses, infectious complications, and survival rates of 71 hairy cell leukemia (HCL) cases. MATERIALS AND METHODS: Sixty-seven patients received a first-line treatment and 2-chlorodeoxyadenosine (cladribine-2-CdA) was administered in 31 cases, 19 patients received interferon-alpha (INF-alpha), splenectomy was performed in 16 cases, and rituximab was used in one. RESULTS: Although the highest overall response rate (ORR) was observed in patients receiving 2-CdA upfront, ORRs were comparable in the 2-CdA, INF-alpha, and splenectomy subgroups. Relapse rates were significantly lower in patients who received first-line 2-CdA. The progression-free survival (PFS) rate with 2-CdA was significantly higher than in patients with INF-alpha and splenectomy, but we found similar overall survival rates with all three upfront treatment modalities. Infections including tuberculosis were a major problem. CONCLUSION: Although purine analogues have improved the ORRs and PFS, there is still much progress to make with regard to overall survival and relapsed/refractory disease in patients with HCL. PMID- 29199177 TI - Inhibition of glycogen phosphorylase stimulates ventromedial hypothalamic nucleus AMP-activated protein kinase: Activity and neuronal nitric oxide synthase protein expression in male rats. AB - The glucose polymer glycogen is a vital fuel reserve in the brain. The mediobasal hypothalamic energy sensor AMP-activated protein kinase (AMPK) maintains glucostasis via neurotransmitter mechanisms that suppress [gamma-aminobutyric acid; GABA] or stimulate [nitric oxide; steroidogenic factor-1 (SF1)] counter regulatory outflow. This study investigated whether glycogen-derived fuel supply is a critical screened variable in ventromedial hypothalamic nucleus (VMN) monitoring of neuro-metabolic stability during glucostasis and/or insulin (I) induced hypoglycemia. Adult male rats were pretreated by intra-VMN infusion of the glycogen phosphorylase inhibitor 1,4-dideoxy-1,4-imino-D-arabinitol (DAB) before sc vehicle or I injection. Western blot analyses of micropunch-dissected VMN tissue from euglycemic animals showed DAB augmentation of phosphoAMPK (pAMPK), neuronal nitric oxide synthase (nNOS), and SF-1, but not glutamate decarboxylase65/67 (GAD) protein. Combinatory DAB/I treatment did not further enhance AMPK activity but significantly amplified nNOS expression relative to DAB alone. Hypoglycemic stimulation of corticosterone, but not glucagon release was prevented by DAB Results imply that glycogen-derived substrate fuel provision represses VMN AMPK activity and neurotransmitter signals of metabolic deficiency. Progressive augmentation of nNOS protein by DAB/I versus DAB/V intimates that "fuel-inhibited" nitrergic neurons may exhibit increasing sensitivity to disrupted glycogen breakdown during glucoprivation versus glucostasis. nNOS and GAD reactivity to DAB/I, but not I implies that acute glycogen utilization during hypoglycemia may be sufficiently robust to avert effects on local metabolic sensory signaling. DAB/I upregulation of GAD alongside prevention of hypercorticosteronemia suggests that indicators of metabolic sufficiency may occur secondary to local compensatory adaptations to severe restriction of glucose-derived energy. PMID- 29199178 TI - Carbonic anhydrase 2-like in the giant clam, Tridacna squamosa: characterization, localization, response to light, and possible role in the transport of inorganic carbon from the host to its symbionts. AB - The fluted giant clam, Tridacna squamosa, lives in symbiosis with zooxanthellae which reside extracellularly inside a tubular system. Zooxanthellae fix inorganic carbon (Ci) during insolation and donate photosynthate to the host. Carbonic anhydrases catalyze the interconversion of CO2 and HCO3-, of which carbonic anhydrase 2 (CA2) is the most ubiquitous and involved in many biological processes. This study aimed to clone a CA2 homolog (CA2-like) from the fleshy and colorful outer mantle as well as the thin and whitish inner mantle of T. squamosa, to determine its cellular and subcellular localization, and to examine the effects of light exposure on its gene and protein expression levels. The cDNA coding sequence of CA2-like from T. squamosa comprised 789 bp, encoding 263 amino acids with an estimated molecular mass of 29.6 kDa. A phenogramic analysis of the deduced CA2-like sequence denoted an animal origin. CA2-like was not detectable in the shell-facing epithelium of the inner mantle adjacent to the extrapallial fluid. Hence, CA2-like is unlikely to participate directly in light-enhanced calcification. By contrast, the outer mantle, which contains the highest density of tertiary tubules and zooxanthellae, displayed high level of CA2-like expression, and CA2-like was localized to the tubule epithelial cells. More importantly, exposure to light induced significant increases in the protein abundance of CA2-like in the outer mantle. Hence, CA2-like could probably take part in the increased supply of inorganic carbon (Ci) from the host clam to the symbiotic zooxanthellae when the latter conduct photosynthesis to fix Ci during light exposure. PMID- 29199179 TI - On the relationship between glucose absorption and glucose-stimulated secretion of GLP-1, neurotensin, and PYY from different intestinal segments in the rat. AB - Ingested glucose powerfully stimulates the secretion of appetite- and metabolism regulating peptide hormones from the gut - including glucagon-like peptide-1 (GLP 1), neurotensin (NT), and polypeptide YY (PYY). However, the regional origin of these secretions after glucose stimulation is not well characterized, and it remains uncertain how their secretion is related to glucose absorption. We isolated and perfused either the upper (USI) or the lower (LSI) small intestine or the colon from rats and investigated concomitant glucose absorption and secretory profiles of GLP-1, NT, and PYY In the USI and LSI luminal glucose (20%, w/v) increased GLP-1 and NT secretion five to eightfold compared to basal secretion. Compared to the USI, basal and stimulated GLP-1 secretion from the colon was 8-10 times lower and no NT secretion was detected. Luminal glucose stimulated secretion of PYY four to fivefold from the LSI and from the USI and colon, but the responses in the USI and colon were 5- to 15-fold lower than in the LSI Glucose was absorbed to a comparable extent in the USI and LSI by mechanisms that partly depended on both SGLT1 and GLUT2 activity, whereas the absorption in the colon was 80-90% lower. The absorption rates were, however, similar when adjusted for segmental length. Glucose absorption rates and NT, PYY and in particular GLP-1 secretion were strongly correlated (P < 0.05). Our results indicate that the rate of secretion of GLP-1, NT, and PYY in response to glucose, regardless of the involved molecular machinery, is predominantly regulated by the rate of glucose absorption. PMID- 29199183 TI - Letter from the Editor. PMID- 29199180 TI - Docosahexaenoic acid counteracts palmitate-induced endoplasmic reticulum stress in C2C12 myotubes: Impact on muscle atrophy. AB - Lipid accumulation in skeletal muscle results in dysregulation of protein metabolism and muscle atrophy. We previously reported that treating C2C12 myotubes with palmitate (PA), a saturated fatty acid, increases the overall rate of proteolysis via activation of the ubiquitin-proteasome and autophagy systems; co-treatment with the omega-3 polyunsaturated fatty acid docosahexaenoic acid (DHA) prevents the PA-induced responses. Others have reported that PA induces endoplasmic reticulum (ER) stress which initiates the unfolded protein response (UPR), a collective group of responses that can lead to activation of caspase mediated proteolysis and autophagy. Presently, we tested the hypothesis that DHA protects against PA-induced ER stress/UPR and its atrophy-related responses in muscle cells. C2C12 myotubes were treated with 500 MUmol/L PA and/or 100 MUmol/L DHA for 24 h. Proteins and mRNA associated with ER stress/UPR, autophagy, and caspase-3 activation were evaluated. PA robustly increased the phosphorylation of protein kinase R (PKR)-like ER kinase (PERK) and eukaryotic initiation factor 2alpha (eIF2alpha). It also increased the mRNAs encoding activating transcription factor 4 (ATF4), spliced X-box binding protein 1 (XBP1s), C/EBP homologous protein (CHOP), and autophagy-related 5 (Atg5) as well as the protein levels of the PERK target nuclear factor erythroid 2-related factor (Nrf2), CHOP, and cleaved (i.e., activated) caspase-3. Co-treatment with DHA prevented all of the PA-induced responses. Our results indicate that DHA prevents PA-induced muscle cell atrophy, in part, by preventing ER stress/UPR, a process that leads to activation of caspase-mediated proteolysis and an increase in expression of autophagy-related genes. PMID- 29199181 TI - Takeaway meal consumption and risk markers for coronary heart disease, type 2 diabetes and obesity in children aged 9-10 years: a cross-sectional study. AB - OBJECTIVE: To investigate associations between takeaway meal consumption and risk markers for coronary heart disease, type 2 diabetes and obesity risk markers in children. DESIGN: A cross-sectional, school-based observational study. SETTING: 85 primary schools across London, Birmingham and Leicester. PARTICIPANTS: 1948 UK primary school children in year 5, aged 9-10 years. MAIN OUTCOME MEASURES: Children reported their frequency of takeaway meal consumption, completed a 24 hour dietary recall, had physical measurements and provided a fasting blood sample. RESULTS: Among 1948 participants with complete data, 499 (26%) never/hardly ever consumed a takeaway meal, 894 (46%) did so <1/week and 555 (28%) did >=1/week. In models adjusted for age, sex, month, school, ethnicity and socioeconomic status, more frequent takeaway meal consumption was associated with higher dietary intakes of energy, fat % energy and saturated fat % energy and higher energy density (all P trend <0.001) and lower starch, protein and micronutrient intakes (all P trend <0.05). A higher frequency of takeaway meal consumption was associated with higher serum total cholesterol and low-density lipoprotein (LDL) cholesterol (P trend=0.04, 0.01, respectively); children eating a takeaway meal >=1/week had total cholesterol and LDL cholesterol 0.09 mmol/L (95% CI 0.01 to 0.18) and 0.10 mmol/L (95% CI 0.02 to 0.18) higher respectively than children never/hardly ever eating a takeaway meal; their fat mass index was also higher. CONCLUSIONS: More frequent takeaway meal consumption in children was associated with unhealthy dietary nutrient intake patterns and potentially with adverse longer term consequences for obesity and coronary heart disease risk. PMID- 29199184 TI - Home-based vibration assisted exercise as a new treatment option for scoliosis - A randomised controlled trial. AB - OBJECTIVES: The aim of this study was to evaluate the effect of scoliosis specific exercises (SSE) on a side-alternating whole body vibration platform (sWBV) as a home-training program in girls with adolescent idiopathic scoliosis (AIS). METHODS: 40 female AIS patients (10-17 years) wearing a brace were randomly assigned to two groups. The intervention was a six months, home-based, SSE program on a sWBV platform five times per week. Exercises included standing, sitting and kneeling. The control group received regular SSE (treatment as usual). The Cobb angle was measured at start and after six months. Onset of menarche was documented for sub-group analysis. RESULTS: The major curve in the sWBV group decreased significantly by -2.3 degrees (SD+/-3.8) (95% CI -4.1 to 0.5; P=0.014) compared to the difference in the control group of 0.3 degrees (SD+/-3.7) (95% CI -1.5 to 2.2; P=0.682) (P=0.035). In the sWBV group 20% (n=4) improved, 75% (n=15) stabilized and 5% (n=1) deteriorated by >=5 degrees . In the control group 0% (n=0) improved, 89% (n=16) stabilized and 11% (n=2) deteriorated. The clinically largest change was observed in the 'before-menarche' sub-group. CONCLUSIONS: Home-based SSE combined with sWBV for six months counteracts the progression of scoliosis in girls with AIS; the results were more obvious before the onset of the menarche. PMID- 29199185 TI - Efficacy and safety of whole body vibration in maintenance hemodialysis patients A pilot study. AB - OBJECTIVES: The aim of this study was to assess safety and effectiveness of Whole Body Vibration exercise (WBV) to improve physical performance and parameters of inflammation in patients on maintenance hemodialysis (MHD). METHODS: Prospective, open-label trial in n=14 patients on maintenance hemodialysis. Participants performed WBV twice weekly for 12 weeks before (n=8) or after (n=6) hemodialysis sessions. The primary endpoint was physical performance assessed by the Short Physical-Performance-Battery (SPPB). Secondary endpoints included established parameters of musculoskeletal assessment and blood chemistry. RESULTS: As compared to baseline, physical performance (SPPB) improved significantly (p=0.035). Moderate advances were also seen for 6-Minute-Walking test, Timed-up and-go test, jumping height and handgrip strength. Improvements were particularly pronounced in subjects with seriously impaired baseline performance. Skeletal muscle index showed a tendency to better values. Laboratory data exhibited a significant reduction of white blood cell count and a trend to lower levels of hsCRP. WBV was generally well tolerated. Two events of clinically significant blood pressure decline occurred in patients exercising after dialysis sessions. CONCLUSIONS: Results of this pilot study suggest effectiveness and safety of WBV in hemodialysis patients. Beneficial effects may affect both, parameters of physical performance and systemic inflammatory activity, which should be verified in larger scale clinical trials. PMID- 29199186 TI - Neural adaptations after short-term wingate-based high-intensity interval training. AB - OBJECTIVES: This study examined the neural adaptations associated with a low volume Wingate-based High Intensity Interval Training (HIIT). METHODS: Fourteen recreationally trained males were divided into an experimental (HIIT) and a control group to determine whether a short-term (4 weeks) Wingate-based HIIT program could alter the Hoffmann (H-) reflex, volitional (V-) wave and maximum voluntary contraction (MVC) of the plantar-flexor muscles, and the peak power achieved during a Wingate test. RESULTS: Absolute and relative peak power increased in the HIIT group (ABS_Ppeak: +14.7%, P=0.001; and REL_Ppeak: +15.0%, P=0.001), but not in the control group (ABS_Ppeak: P=0.466; and REL_Ppeak: P=0.493). However, no significant changes were found in the MVC (P>0.05 for both groups). There was a significant increase in H-reflex size after HIIT (+24.5%, P=0.004), while it remained unchanged in the control group (P=0.134). No significant changes were observed either in the V-wave or in the Vwave/Mwave ratio (P>0.05 for both groups). CONCLUSION: The Wingate-based training led to an increased peak power together with a higher spinal excitability. However, no changes were found either in the volitional wave or in the MVC, indicating a lack of adaptation in the central motor drive. PMID- 29199187 TI - Decomposition of three-dimensional ground-reaction forces under both feet during gait. AB - : Three-dimensional ground reaction forces (3D-GRF) are essential for functional evaluation for rehabilitation. A platform path is required to obtain the 3D-GRF. The main shortcoming of these platform paths is that during double stance phases of gait, both feet can be placed on the same force platform causing the need for decomposing the 3D-GRF under each foot. Despite the high number of studies on force decomposition, there is still no method on the decomposition of 3D-GRF based on data from platforms. OBJECTIVE: This study aims to present an automatic method using parametric curve fitting modeling to increase the accuracy of decomposition of 3D-GRF during double stances under each foot. METHODS: The decomposition method was applied to the global 3D-GRF using 3rd order polynomial, sine, and sine-sigmoid functions. The computed 3D-GRF was compared to the 3D-GRF independently recorded by force platforms for each subject. RESULTS: The relative average error between the computed 3D-GRF and the recorded 3D-GRF were equal to 3.3+/-1.6%. In details for the vertical, antero-posterior, and medio-lateral GRF, these errors were 2.9+/-1.6%, 6.3+/-4.3%, and, 9.5+/-3.6%, respectively, for 30 subjects. CONCLUSION: The global error on the GRF is the best one in the literature. This method can be validated on various populations with musculoskeletal disorders. PMID- 29199190 TI - Fanconi syndrome in the adulthood. The role of early diagnosis and treatment. PMID- 29199188 TI - Cost-effective osteoporosis treatment thresholds for people living with HIV infection in Greece. AB - OBJECTIVES: We aimed to specifically define the FRAX-based cost-effective treatment thresholds for osteoporosis among people living with HIV (PLWHIV) in Greece and to compare them with those of the general population. METHODS: A previously described state transition Markov cohort model was used in order to estimate the cost-effective intervention thresholds for osteoporotic therapy among Greek PLWHIV employing the FRAX(r) tool. The model-derived relative risk at which an incremental cost-effectiveness ratio of 30,000?/QALY gained was observed for treatment versus no intervention was multiplied by the average Greek FRAX based 10-year probabilities for both major osteoporotic and hip fractures. RESULTS: There exists no significant difference in the cost-effective FRAX(r) based thresholds between PLWHIV and general population. The absolute 10-year probabilities of 2.5 and 10% for hip and major osteoporotic fractures, respectively, could be used for the initiation of treatment for PLWHIV of both genders under the age of 75; for older subjects the proposed intervention threshold is raised to 5 and 15% 10-year probability for hip and major osteoporotic fracture, respectively. CONCLUSIONS: Our study confirms the general recommendation for the use of country specific FRAX(r) thresholds when managing bone fragility within PLWHIV. In any case, clinical judgment and appropriate screening are mandatory and irreplaceable. PMID- 29199189 TI - Biomechanical study on different lengths of PFNA fixation for unstable intertrochanteric femoral fractures. AB - OBJECTIVE: The aim of our study was to compare the biomechanical stability of the Proximal Femoral Nail Antirotation (PFNA) (with 200 mm, 240 mm and 280 mm-long main nails) for the management of unstable intertrochanteric femoral fractures. METHODS: Tronzo-Evans Type IV and V fractures were built by applying a three dimensional finite element model. Further, PFNA-II with 200 mm, 240 mm and 280 mm long main nails were applied for fixation. The above model is the creation of 3 researchers designed in order to obtain average values of numerical stress. Von Mises stress distribution and medial and lateral stress peak of the femur and PFNA were compared. RESULTS: 240 mm and 280 mm PFNA medial stress peak was reduced significantly in comparison to 200 mm PFNA (p?0.05). However, there was no difference between 240 mm and 280 mm PFN. Also, no statistical difference was observed with any of 3 lengths in both medial and lateral stress peak for Evans Type IV and V PFNA. CONCLUSION: 240 mm and 280 mm PFNA could reduce femur fixation medial stress peak. Further, they were more efficient in comparison to the 200 mm PFNA, and their biomechanical stability was similar to that of the 280 mm nail. PMID- 29199191 TI - An animal model of reconstruction of single femoral tunnel with single bone bi quadruple ACL and internal fixation. AB - We introduced several variables in an animal model of anterior cruciate ligament (ACL) reconstruction to determine the best parameters for surgery in humans. We divided 130 LYD pigs into two groups depending on whether the femoral tunnel goes through the medial tibial tunnel or through the medial fossa of the knee joint. Each subgroup was further divided. Four weeks after surgery the knee specimens were examined for passive flexion and extension test. No group showed a creep effect. In the biomechanical tests, we recorded maximal strength, maximum load, and stiffness parameters. The 100 degrees + 1.0 mm, 1.5 mm, and 2.0 mm positions of the tibial tunnel group, and 10.5 (1.5) + 1.0 mm, 1.5 mm, and 2.0 mm positions of the knee joint cavity group had better biomechanical effects, histocompatibility and revascularization in ACL reconstruction. Overall, these results demonstrated significant differences in the effectiveness of ACL reconstruction based on several surgical parameters, which should contribute to establishing a gold standard for ACL surgery in patients. PMID- 29199192 TI - Alterations to maternal cortical and trabecular bone in multiparous middle-aged mice. AB - OBJECTIVES: During the reproductive cycle, altered calcium homeostasis is observed due to variable demand for mineral requirements. This results in increased bone resorption during the time period leading up to parturition and subsequent lactation. During lactation, women will lose 1-3% of bone mineral density per month, which is comparable to the loss experienced on an annual basis post-menopausal. The purpose of this study was to determine the effect of parity on bone formation in middle-aged mice. METHODS: Mice were mated and grouped by number of parity and compared with age matched nulliparous controls. Measurements were taken of femoral trabecular and cortical bone. Calcium, protein and alkaline phosphatase levels were also measured. RESULTS: An increase in trabecular bone mineral density was observed when comparing mice that had undergone parity once to the nulliparous control. An overall decrease in trabecular bone mineral density was observed as parity increased from 1 to 5 pregnancies. No alteration was seen in cortical bone formation. No difference was observed when calcium, protein and alkaline phosphatase levels were assessed. CONCLUSIONS: This study demonstrates that number of parity has an impact on trabecular bone formation in middle-aged mice, with substantial changes in bone density seen among the parous groups. PMID- 29199193 TI - Effect of virtual reality versus conventional physiotherapy on upper extremity function in children with obstetric brachial plexus injury. AB - OBJECTIVES: The objective was to evaluate the effects of virtual reality versus conventional physiotherapy on upper extremity function in children with obstetric brachial plexus injury. METHODS: Forty children with Erb's palsy were selected for this randomized controlled study. They were assigned randomly to either group A (conventional physiotherapy program) or group B (virtual reality program using Armeo(r) spring for 45 min three times/week for 12 successive weeks). Mallet system scores for shoulder function and shoulder abduction, and external rotation range of motion (ROM) were obtained; shoulder abductor, and external rotators isometric strength were evaluated pre-and post-treatment using Mallet scoring system, standard universal goniometer, and handheld dynamometer. RESULTS: The results of this study indicate that the children in both groups showed improvement in shoulder functions post-treatment with greater improvements in group B. The abduction muscle strength after treatment was 8.53 and 11.3 Nm for group A and group B, respectively. The external rotation muscle strength after treatment was 5.88 and 7.45 Nm for group A and group B, respectively. CONCLUSIONS: The virtual reality program is a significantly more effective than conventional physiotherapy program in improving the upper extremity functions in children with obstetric brachial plexus injury. PMID- 29199194 TI - Relationship between sleep and muscle strength among Chinese university students: a cross-sectional study. AB - OBJECTIVES: Poor sleep quality and short sleep duration are associated with an increased risk for muscle mass reduction. Thus, they may also influence muscle strength. This study aimed to investigate the association between sleep quality and duration, and muscle strength in university students. METHODS: This cross sectional study comprised 10,125 university students aged 16-30 years. Handgrip strength was measured using a handheld digital dynamometer. Sleep quality and duration were measured using a self-reported questionnaire. RESULTS: After adjusting for confounding factors, a positive association between sleep quality and muscle strength was observed in both male and female students. Moreover, men with shorter sleep duration (?6 hours) had poorer muscle strength than that of men who slept for 7-8 hours and over 8 hours in the final adjusted model. There was no significant difference in the association of sleep duration and muscle strength between men who slept 7-8 hours and those who slept for more than 8 hours. No significant association was observed between sleep duration and muscle strength in female students. CONCLUSIONS: Good sleep quality is associated with greater muscle strength, while short sleep duration may be a risk factor for decreased muscle strength in university students. PMID- 29199195 TI - Effect of weight bearing exercise to improve bone mineral density in children with cerebral palsy: a meta-analysis. AB - BACKGROUND: Despite widespread clinical use of weight bearing exercises to manage low bone mineral density (BMD) in children and adolescents with cerebral palsy (CP), previous studies have reported heterogeneous results on the effect of weight bearing exercise on BMD. PURPOSE: We performed the current meta-analysis to assess the effects of weight bearing exercise on increasing BMD in children who have CP with low BMD. MATERIALS AND METHODS: We searched PubMed, Cochrane, and Embase from inception through to October 2016 for studies that aims to investigate the effect of weight bearing exercise on BMD in children with CP. Following the searching result, the 118 relevant studies were reviewed and undergone selection process. Standardized mean difference (SMD), 95% confidence intervals (CIs) and p-values were calculated for analysis. RESULTS: Three studies were ultimately included in the meta-analysis: one randomized-controlled study and two case-controlled studies. No significant difference was observed in the BMD of the lumbar spine between before treatment and after treatment (SMD,0.341; 95% CI,-0.647-1.330; p=0.449) but the BMD of the femur significantly improved after applying weight bearing exercise compared to pre-treatment values (SMD, 0.916; 95% CI, 0.382-1.114; p?0.001). CONCLUSIONS: Weight bearing exercise has a significant effect on improving BMD of the femur in children with CP. PMID- 29199197 TI - Abstracts of the 2017 International Workshop on Musculoskeletal and Neuronal Interactions. PMID- 29199196 TI - Effect of different head-neck-jaw postures on cervicocephalic kinesthetic sense. AB - OBJECTIVES: To investigate the effect of different induced head-neck-jaw postures on head-neck relocation error among healthy subjects. METHODS: 30 healthy adult male subjects participated in this study. Cervicocephalic kinesthetic sense was measured while standing, habitual sitting, habitual sitting with clenched jaw and habitual sitting with forward head posture during right rotation, left rotation, flexion and extension using kinesthetic sensibility test. RESULTS: Head-neck relocation error was least while standing, followed by habitual sitting, habitual sitting with forward head posture and habitual sitting with jaw clenched. However, there was no significant difference in error between different tested postures during all the movements. CONCLUSIONS: To the best of our knowledge, this is the first study to see the effect of different induced head-neck-jaw postures on head-neck position sense among healthy subjects. Assuming a posture for a short duration of time doesn't affect head-neck relocation error in normal healthy subjects. PMID- 29199200 TI - Age Stratification and Impact of Eicosapentaenoic Acid and Docosahexaenoic Acid to Arachidonic Acid Ratios in Ischemic Stroke Patients. AB - AIM: We focused on the ratios of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) to arachidonic acid (AA) and explored the significance of these ratios relative to clinical characteristics by age in ischemic stroke patients. METHODS: We enrolled patients with acute ischemic stroke who underwent radiological investigations and laboratory examinations, including measurement of serum EPA, DHA, and AA levels, and controls. Patients were classified according to age (<65, 65-74, and >= 75 years) and the tertile of EPA/AA and DHA/AA ratios, and clinical aspects were compared with these factors. RESULTS: We analyzed 373 patients (age 70.2+/-13.4 years; 245 males) and 105 controls. Among stroke patients, patients aged <65 years had the lowest EPA/AA (0.35+/-0.23, p=0.006) and DHA/AA (0.73+/ 0.27, p<0.001) ratios. Compared with controls, patients aged <65 years showed lower EPA/AA (vs. 0.49+/-0.25, p<0.001) and DHA/AA (vs. 0.82+/-0.26, p=0.009) ratios. From logistic regression analysis, the EPA/AA (odds ratio 0.18, 95% confidence interval 0.04-0.81, p=0.026) and DHA/AA (odds ratio 0.09, 95% confidence interval 0.02-0.33, p<0.001) ratios were inversely related to patients aged <65 years. According to age-stratified analyses, we found an association of aortic arch calcification with a lower EPA/AA ratio for patients aged >= 75 years and an association of multiple infarctions and cerebral white matter lesions with a lower EPA/AA ratio for patients aged 65-74 years (p<0.05). CONCLUSIONS: The ratios of EPA/AA and DHA/AA could be specific markers for younger stroke patients. The EPA/AA ratio may be related to aortic arch calcification for elderly stroke patients and to multiple infarctions and cerebral white matter disease for middle-aged stroke patients. PMID- 29199201 TI - Effects of a Dipeptidyl Peptidase 4 Inhibitor Sitagliptin on Glycemic Control and Lipoprotein Metabolism in Patients with Type 2 Diabetes Mellitus (GLORIA Trial). AB - AIM: The morbidity of cardiovascular disease in patients with type 2 diabetes mellitus (DM) deteriorates in combination with dyslipidemia. The accumulation of remnant lipoproteins in patients with fasting and postprandial hypertriglyceridemia is highly atherogenic. The current study investigated whether the dipeptidyl peptidase-4 inhibitor sitagliptin ameliorates dyslipidemia and hyperglycemia. METHODS: We enrolled 38 patients with type 2 DM (20 males and 18 females, 65.7+/-9.9 years old, HbA1c levels <8.4%), and all patients gave written informed consent. Sitagliptin (50 mg/day) was added to current antidiabetic treatments and increased to 100 mg/day to achieve low HbA1c levels (<7.4%). Glucose and lipoprotein metabolism profiles were analyzed at 0, 4, and 12 weeks after sitagliptin administration. RESULTS: Sitagliptin significantly decreased fasting levels of triglyceride (TG) (161+/-90 vs. 130+/-66 mg/dl, p<0.01) and non-HDL-C (129+/-29 vs. 116+/-20 mg/dl, p<0.01) in combination with glucose (150+/-47 vs. 129+/-27 mg/dl, p<0.01) and HbA1c (7.1+/-0.6 vs. 6.6+/-0.7 mg/dl, p<0.001). Sitagliptin also significantly decreased the fasting levels of apolipoprotein (apo) B-48 (7.8+/-6.7 vs. 5.6+/-4.0 ug/ml, p<0.01), remnant lipoprotein cholesterol (15.3+/-9.5 vs. 12.0+/-7.9 mg/dl, p<0.05) and other apolipoproteins, such as apoB, apoC-II, apoC-III, and apoE. Analyses of the lipoprotein profiles of fasting sera revealed that sitagliptin significantly decreased cholesterol and TG levels of lipoprotein fractions in the size of very low density lipoprotein and low density lipoprotein. CONCLUSIONS: These findings indicated that sitagliptin administration ameliorated the lipid and lipoprotein profiles in patients with diabetes, which may be due to the decrease in atherogenic remnant lipoproteins (UMIN#000013218). PMID- 29199202 TI - The Influence of the Japanese Nationwide Cardiovascular Prevention System Health Guidance on Smoking Cessation Among Smokers: A Propensity Score Matching Analysis. AB - AIM: We investigated whether 2 types of personalized health guidance (repeated and single counseling) in the Japanese nationwide cardiovascular prevention system promoted smoking cessation among smokers. METHODS: The study included 47,745 Japanese smokers aged 40 to 74 years classified into 2 personalized health guidance schemes. After a 1-year follow-up, we compared the rates of smoking cessation between individuals who had received counseling ("supported") and those who had not received counseling ("unsupported"). Using propensity score matching analysis, we estimated the average treatment effect (ATE) of each approach on smoking cessation after balancing out the characteristics between the supported and unsupported groups. The propensity score regression model included age, medical insurance type, weight gain since the age of 20 years, exercise, eating habits, alcohol intake, quality of sleep, readiness to modify lifestyle, willingness to receive support, and body mass index. RESULTS: In the repeated counseling scheme, the age-adjusted rates of smoking cessation in the supported and unsupported groups were 8.8% and 6.3% for males, and 9.8% and 9.1% for females respectively. In the single counseling scheme, the corresponding rates were 8.4% and 7.3% for supported and unsupported males, and 11.0% and 11.7% for supported and unsupported females respectively. The ATE of repeated counseling was +2.64% (95% confidence interval: +1.51% to +3.77%) for males and +3.11% ( 1.85% to +8.07%) for females. The ATE of single counseling was +0.61% (-1.17% to +2.38%) for males and -1.06% (-5.96% to +3.85%) for females. CONCLUSIONS: In the Japanese cardiovascular prevention system, repeated counseling may promote smoking cessation among male smokers. PMID- 29199203 TI - Hemophagocytic Syndrome Complicated with Dermatomyositis Controlled Successfully with Infliximab and Conventional Therapies. AB - A 57-year-old woman was admitted to our hospital because of a high fever, anemia, and hyperferritinemia. Since a bone marrow examination revealed hemophagocytosis, she was diagnosed with hemophagocytic syndrome (HPS). During treatment of HPS, a heliotrope rash and Gottron's sign appeared with elevated levels of serum aldolase. She also developed heart failure. She was diagnosed with dermatomyositis (DM) and associated myocarditis. Although the administration of glucocorticoids, calcineurin inhibitors, intravenous immunoglobulins, and etoposide ameliorated the clinical findings of DM and cytopenia, the fever and hyperferritinemia remained. The addition of infliximab to glucocorticoids and tacrolimus improved the fever and hyperferritinemia and enabled a reduction in the dose of prednisolone without relapse of the diseases. PMID- 29199204 TI - Definitive diagnosis of mandibular hypoplasia, deafness, progeroid features and lipodystrophy (MDPL) syndrome caused by a recurrent de novo mutation in the POLD1 gene. AB - Segmental progeroid syndromes with lipodystrophy are extremely rare, heterogeneous, and complex multi-system disorders that are characterized by phenotypic features of premature aging affecting various tissues and organs. In this study, we present a "sporadic/isolated" Japanese woman who was ultimately diagnosed with mandibular hypoplasia, deafness, progeroid features, and progressive lipodystrophy (MDPL) syndrome (MIM #615381) using whole exome sequencing analysis. She had been suspected as having atypical Werner syndrome and/or progeroid syndrome based on observations spanning a 30-year period; however, repeated genetic testing by Sanger sequencing did not identify any causative mutation related to various subtypes of congenital partial lipodystrophy (CPLD) and/or mandibular dysplasia with lipodystrophy (MAD). Recently, MDPL syndrome has been described as a new entity showing progressive lipodystrophy. Furthermore, polymerase delta 1 (POLD1) gene mutations on chromosome 19 have been identified in patients with MDPL syndrome. To date, 21 cases with POLD1-related MDPL syndrome have been reported worldwide, albeit almost entirely of European origin. Here, we identified a de novo mutation in exon 15 (p.Ser605del) of the POLD1 gene in a Japanese case by whole exome sequencing. To the best of our knowledge, this is the first identified case of MDPL syndrome in Japan. Our results provide further evidence that mutations in POLD1 are responsible for MDPL syndrome and serve as a common genetic determinant across different ethnicities. PMID- 29199205 TI - Re-evaluation of MIB-1 immunostaining for diagnosing hyalinizing trabecular tumour of the thyroid: semi-automated techniques with manual antigen retrieval are more accurate than fully automated techniques. AB - Hyalinizing trabecular tumour (HTT) immunohistochemically shows cell membranous immunoreactivity for MIB-1. This aberrant immunoreactivity is an important factor for the diagnosis of HTT. However, fully automated stainers frequently fail to confirm the immunoreactivity. The aim of this study is to investigate the cause of false negative cell membranous immunoreactivity for MIB-1 in HTT using fully automated stainers, to determine potential reasons for the problem, and to establish methods confirming cell membranous immunoreactivity for MIB-1 in HTT. Six participating institutions examined immunoreactivity for MIB-1 in 10 HTT cases using two approaches: fully automated and semi-automated methods. In the latter, antigen retrieval was carried out using manual methods adopted for routine assays at each institute. The autostainers used included the BOND-MAX, BOND-III, Benchmark XT, and Omnis systems. Using fully automated methods, institute E showed cell membranous MIB-1 positivity in all HTT cases. In contrast, at institute D, all HTT cases were negative. The positive rates of the remaining four institutes ranged from 10% to 20%. The incidence of positive cases using semi-automated methods was 100%, 90%, 90%, 30%, 80%, and 100% at institutes A, B, C, D, E, and F, respectively. We assert that antigen retrieval should be conducted manually for diagnosis of HTT; furthermore, definitively diagnosed HTT should be prepared as the external positive control. PMID- 29199206 TI - Preparation of Salicylic Acid Loaded Nanostructured Lipid Carriers Using Box Behnken Design: Optimization, Characterization and Physicochemical Stability. AB - Nanostructured lipid carriers loaded salicylic acid (NLCs-SA) were developed and optimized by using the design of experiment (DOE). Box-Behnken experimental design of 3-factor, 3-level was applied for optimization of nanostructured lipid carriers prepared by emulsification method. The independent variables were total lipid concentration (X1), stearic acid to Lexol(r) GT-865 ratio (X2) and Tween(r) 80 concentration (X3) while the particle size was a dependent variable (Y). Box Behnken design could create 15 runs by setting response optimizer as minimum particle size. The optimized formulation consists of 10% of total lipid, a mixture of stearic acid and capric/caprylic triglyceride at a 4:1 ratio, and 25% of Tween(r) 80 which the formulation was applied in order to prepare in both loaded and unloaded salicylic acid. After preparation for 24 hours, the particle size of loaded and unloaded salicylic acid was 189.62+/-1.82 nm and 369.00+/-3.37 nm, respectively. Response surface analysis revealed that the amount of total lipid is a main factor which could affect the particle size of lipid carriers. In addition, the stability studies showed a significant change in particle size by time. Compared to unloaded nanoparticles, the addition of salicylic acid into the particles resulted in physically stable dispersion. After 30 days, sedimentation of unloaded lipid carriers was clearly observed. Absolute values of zeta potential of both systems were in the range of 3 to 18 mV since non-ionic surfactant, Tween(r) 80, providing steric barrier was used. Differential thermograms indicated a shift of endothermic peak from 55 degrees C for alpha crystal form in freshly prepared samples to 60 degrees C for beta'-crystal form in storage samples. It was found that the presence of capric/caprylic triglyceride oil could enhance encapsulation efficiency up to 80% and facilitate stability of the particles. PMID- 29199207 TI - Effects of Plant Sphingolipids on Inflammatory Stress in Differentiated Caco-2 Cells. AB - To determine the mechanism underlying the anti-inflammatory effects of plant sphingolipids, especially plant glucosylceramide (GlcCer), the effects of plant sphingolipids on inflammatory stress in differentiated Caco-2 cells were compared to those of a sphingolipid of animal origin, galactosylceramide (GalCer). Addition of GlcCer or GalCer suppressed cell injury caused lipopolysaccharide (LPS)- and TNF-alpha-induced inflammatory stress and induction of apoptosis in differentiated Caco-2 cells. There was no difference in the suppressive effect between GlcCer and GalCer. The inflammatory cytokines and chemokines induced by LPS were suppressed by GlcCer. GlcCer remained on the cell surface. The results of this study can be summarized as follows: 1) sphingolipids such as GlcCer have potent anti-inflammatory effects; 2) GlcCer suppresses LPS-induced production of cytokines and apoptosis; 3) sphingolipids may remain on the surface of cells, and 4) the chemical properties of sphingolipids may prevent the interaction between LPS and its receptor. PMID- 29199208 TI - Spontaneous Preparation of Highly Stable Gold Nanoparticle Stabilized with omega Sulfonylated Alkylsulfanylaniline. AB - Preparation, characterization, and stability evaluation of gold nanoparticles stabilized by omega-sulfonylated alkylsulfanylaniline have been described. The particle solution was obtained by the spontaneous reaction of HAuCl4 and omega sulfonylated alkylsulfanylaniline in boiling water. It showed a deep red color, owing to surface plasmon resonance of the resulting gold nanoparticles. The size and shape of the nanoparticles were pH-dependent, and pH 8 was found to be the most suitable condition to prepare stable nanoparticles with an average size of 11.2 +/- 5.9 nm. The resulting particle solution was stable for a wide range of pH (3-13) and in phosphate-buffered saline (PBS) solution. The nanoparticles were storable as dried powder for at least two weeks, and were redispersible in water or PBS to give almost the same absorption spectra as the freshly prepared solution. Nanoparticle modification was achieved by simply adding thiol molecules to the particle solution. PMID- 29199209 TI - Effect of HCl Loading and Ethanol Concentration over HCl-Activated Clay Catalysts for Ethanol Dehydration to Ethylene. AB - Montmorillonite clay (MMT) is one of materials that can be "green material" due to its environmental safety. In this work, acid-activated MMT catalysts were prepared for the dehydration reaction of ethanol. To be the green process, the reaction with bioethanol was also studied. Ethanol concentrations in feed were varied in the range of 10-99.95 wt%. Moreover, the concentrations of hydrochloric acid activated MMT were investigated in range of 0.05-4 M. From the experiment, it reveals that different acid concentrations to activate MMT affect the catalytic activity of catalysts. The 0.3 M of HCl activated MMT exhibits the highest activity (under the best condition of 30 ml HCl aging for 1 h) with the Si/Al ratio of 7.4. It can reach the ethanol conversion and ethylene selectivity up to 95% and 98% at reaction temperature of 400 degrees C, respectively. For the several ethanol feed concentrations, it does not remarkably affect in ethanol conversion. However, it has some different effect on ethylene selectivity between lower and higher reaction temperatures. It was found that at lower temperature reaction, ethylene selectivity is high due to the behavior of water in feed. In addition, the 0.3 M-MMT can be carried out under the hydrothermal effect. PMID- 29199210 TI - X-band Electron Paramagnetic Resonance Investigation of Stable Organic Radicals Present under Cold Stratification in 'Fuji' Apple Seeds. AB - We investigated stable organic radicals formed in response to cold stratification in 'Fuji' apple seeds using X-band (9 GHz) electron paramagnetic resonance (EPR) technique. This technique primarily detected two paramagnetic species in each seed. These two different radical species were assigned as a stable organic radical and Mn2+ species based on the g values and hyperfine components. Signal from the stable radicals was noted at a g value of about 2.00 and was strong and relatively stable. Significant radical intensity changes were observed in apple seeds on refrigeration along with water supplementation. The strongest radical intensity and a very weak Mn2+ signal were also observed for the seeds kept in moisture-containing sand in a refrigerator. Noninvasive EPR of the radicals present in each seed revealed that the stable radicals were located primarily in the seed coat. These results indicate that the significant radical intensity changes in apple seeds under refrigeration for at least 90 days followed by water supplementation for one week, can be related to cold stratification of the seeds. PMID- 29199211 TI - Membrane vesicle protein PagC as a novel biomarker for detecting pathogenic Salmonella in the viable but not culturable state. AB - The viable but non-culturable (VBNC) state is a remarkable survival mechanism in which cells exist in a physiologically inactive state. Bacteria in the VBNC state do not form colonies, and thus, are difficult to detect using colony-based methods. As a result, VBNC bacteria are potentially virulent and can cause widespread contamination during food production. In the present study, we reported a novel biomarker, the membrane vesicle protein PagC, for the detection of VBNC Salmonella. Salmonella cells were chemically induced into the VBNC state by H2O2 treatment. The bacterial cells retained their shapes but were observed to release numerous membrane vesicles, which were accompanied by a transient PagC overexpression. Immunoblotting was performed to detect PagC in pathogenic strains, including Salmonella Enteritidis and S. Typhimurium, which are harmful and known to cause food-borne gastroenteritis in humans and other animals. Therefore, our findings demonstrated the potential use of PagC as a biomarker for the detection of VBNC Salmonella in food production. PMID- 29199212 TI - Branching patterns of the aortic arch in the Siberian roe deer (Capreolus pygargus Pallas, 1771). AB - This study examined the branching pattern of the aortic arch (AA) and its major branches in the Siberian roe deer (Capreolus pygargus Pallas, 1771) from South Korea. A total of eight of the nine expected types, based on the branching site and bilateral levels of the costocervical trunk (CCT) and subclavian artery (SB), were observed in the arterial silicone casts of 35 deer (16 males, 19 females). This deer has no typical type. The three most common types were present in 28.6, 25.7 and 20.0% of cases and resulted from different branching patterns of the left CCT and left SB. These results suggest that the Siberian roe deer in the Korean peninsula has various AA branching patterns, which differs from other ruminants. PMID- 29199213 TI - Variation of amino acid sequences of serum amyloid a (SAA) and immunohistochemical analysis of amyloid a (AA) in Japanese domestic cats. AB - Amyloid A (AA) amyloidosis, a fatal systemic amyloid disease, occurs secondary to chronic inflammatory conditions in humans. Although persistently elevated serum amyloid A (SAA) levels are required for its pathogenesis, not all individuals with chronic inflammation necessarily develop AA amyloidosis. Furthermore, many diseases in cats are associated with the elevated production of SAA, whereas only a small number actually develop AA amyloidosis. We hypothesized that a genetic mutation in the SAA gene may strongly contribute to the pathogenesis of feline AA amyloidosis. In the present study, genomic DNA from four Japanese domestic cats (JDCs) with AA amyloidosis and from five without amyloidosis was analyzed using polymerase chain reaction (PCR) amplification and direct sequencing. We identified the novel variation combination of 45R-51A in the deduced amino acid sequences of four JDCs with amyloidosis and five without. However, there was no relationship between amino acid variations and the distribution of AA amyloid deposits, indicating that differences in SAA sequences do not contribute to the pathogenesis of AA amyloidosis. Immunohistochemical analysis using antisera against the three different parts of the feline SAA protein-i.e., the N-terminal, central, and C-terminal regions-revealed that feline AA contained the C-terminus, unlike human AA. These results indicate that the cleavage and degradation of the C-terminus are not essential for amyloid fibril formation in JDCs. PMID- 29199214 TI - Expression of Two RpoH Sigma Factors in Sinorhizobium meliloti upon Heat Shock. AB - The plant symbiotic alpha-proteobacterium Sinorhizobium meliloti has two RpoH type sigma factors, RpoH1 and RpoH2. The former induces the synthesis of heat shock proteins and optimizes interactions with the host. Using a Western blot analysis, we examined time course changes in the intracellular contents of these factors upon a temperature upshift. The RpoH1 level was relatively high and constant, suggesting that its regulatory role in the heat shock response is attained through the activation of the pre-existing RpoH1 protein. In contrast, the RpoH2 level was initially undetectable, and gradually increased. These differential patterns reflect the functional diversification of these factors. PMID- 29199216 TI - Development of Highly Sensitive Analytical Methods for Biologically Relevant Materials and Their Pharmaceutical Applications. AB - One important aspect of analytical chemistry research in the pharmaceutical sciences is the development of diagnostic and therapeutic analyses for disease, and the development of analytical methods for elucidating the causes of disease. I have been focusing on developing a highly sensitive method for measuring trace amounts of specific components in biological samples. This research can be roughly divided into three approaches: the use of immunoassays and DNA hybridization as methods utilizing specific affinities, the use of capillary electrophoresis as a highly sensitive and rapid separation method, and the use of chemiluminescence and bioluminescence reactions. The components being measured are compounds such as hormones, tumor markers, drugs, reactive oxygen species and genes in biological samples for the purpose of developing therapies for the prevention and treatment of diseases. PMID- 29199215 TI - Isotopic Fractionation of Sulfur in Carbonyl Sulfide by Carbonyl Sulfide Hydrolase of Thiobacillus thioparus THI115. AB - Carbonyl sulfide (COS) is one of the major sources of stratospheric sulfate aerosols, which affect the global radiation balance and ozone depletion. COS degrading microorganisms are ubiquitous in soil and important for the global flux of COS. We examined the sulfur isotopic fractionation during the enzymatic degradation of COS by carbonyl sulfide hydrolase (COSase) from Thiobacillus thioparus THI115. The isotopic fractionation constant (34E value) was -2.2+/ 0.20/00. Under experimental conditions performed at parts per million by volume level of COS, the 34E value for intact cells of T. thioparus THI115 was -3.6+/ 0.70/00, suggesting that, based on Rees' model, the 34E value mainly depended on COS transport into the cytoplasm. The 34E value for intact cells of T. thioparus THI115 was similar to those for Mycobacterium spp. and Williamsia sp., which are known to involve the conserved region of nucleotide sequences encoding the clade D of beta-class carbonic anhydrase (beta-CA) including COSase. On the other hand, the 34E value was distinct from those for bacteria in the genus Cupriavidus. These results provide an insight into biological COS degradation, which is indispensable for estimating the COS global budget based on the isotope because of the significant contribution of COS degradation by microorganisms harboring beta-CA family enzymes. PMID- 29199217 TI - A Novel Probe with a Chlorinated alpha-Cyanoacetophenone Acceptor Moiety Shows Near-Infrared Fluorescence Specific for Tau Fibrils. AB - Development of a novel, tau-selective near-infrared fluorescence (NIRF) probe was attempted by combining the 3,5-dimethoxy-N,N-dimethylaniline-4-yl moiety with an alpha-cyanoacetophenone via hexatrienyl pi-linker. In particular, for structure activity relationship study of the alpha-cyanoacetophenones, a chlorine substituent was introduced to the aromatic ring to give a series of compounds (2a 2d). Among those, compound 2c with meta-chloro aryl substituent was identified as a tau-selective NIRF probe: selectivity for tau over amyloid beta (Abeta) and bovine serum albumin (BSA) was estimated to be 10.3 and 19.5 fold, respectively. The mechanism for tau-selectivity of 2c was found to be based on the specific recognition of the microenviroment of tau fibrils, which was endowed by its molecular rotor-like properties. The tau-selective NIRF probe 2c was also able to stain tau fibrils in tau-green fluorescent protein (GFP)-transgenic human neuroblastoma cells (SH-SY5Y cells). PMID- 29199218 TI - Uses of Cyclohexan-1,4-dione for the Synthesis of 2-Amino-4,5 dihydrobenzo[b]thiophen-6(7H)-one Derivatives with Anti-proliferative and Pim-1 Kinase Activities. AB - The reaction of cyclohexan-1,4-dione with elemental sulfur and any of the 2-cyano N-arylacetamide derivatives 2a-c gave the 2-amino-4,5-dihydrobenzo[b]thiophen 6(7H)-one derivatives 3a-c to be used in some heterocyclization reactions. The multicomponent reactions of any of compounds 3a-c with aromatic aldehydes 6a-c and either of malononitrile or ethylcyanoacetate gave the 5,9-dihydro-4H thieno[2,3-f]chromene derivatives 9a-r, respectively. The anti-proliferative evaluation of the newly synthesized compounds against the six cancer cell lines A549, HT-29, MKN-45, U87MG, SMMC-7721 and H460 showed that the nine compounds 3c, 5c, 9e, 9h, 9i, 9j, 9l, 9q, 11e and 13e with highest cytotoxcity. Toxicity of these compounds against shrimp larvae revealed that compounds 3c, 9j, 9q, and 13e showed no toxicity against the tested organisms. The c-Met kinase inhibition of the most potent compounds showed that compounds 9j, 9q, 10e, 12e and 13e have the highest activities. Compounds 9j, 9l, 9q and 11e showed high activity towards tyrosine kinases. Moreover, compounds 9j, 9q and 13e showed the highest inhibitor activity towards Pim-1 kinase. PMID- 29199219 TI - Novel Non-carboxylate Benzoylsulfonamide-Based Protein Tyrosine Phosphatase 1B Inhibitors with Non-competitive Actions. AB - A novel series of benzoylsulfonamide derivatives were synthesized and biologically evaluated. Among them, 4-(biphenyl-4-ylmethylsulfanylmethyl)-N (hexane-1-sulfonyl)benzamide (compound 18K) was identified as a protein tyrosine phosphatase 1B (PTP1B) inhibitor with potent and selective inhibitory activity against PTP1B (IC50=0.25 uM). Compound 18K functioned as a non-competitive inhibitor and bound to the allosteric site of PTP1B. It also showed high oral absorption in mice (the maximum drug concentration (Cmax)=45.5 uM at 30 mg/kg), rats (Cmax=53.6 uM at 30 mg/kg), and beagles (Cmax=37.8 uM at 10 mg/kg), and significantly reduced plasma glucose levels at 30 mg/kg/d (per os (p.o.)) for one week with no side effects in db/db mice. In conclusion, the substituted benzoylsulfonamide was shown to be a novel scaffold of a non-competitive and allosteric PTP1B inhibitor, and compound 18K has potential as an efficacious and safe anti-diabetic drug as well as a useful tool for investigations of the physiological and pathophysiological effects of allosteric PTP1B inhibition. PMID- 29199220 TI - Chemical Synthetic Platform for Chlorpromazine Oligomers That Were Reported as Photo-degradation Products of Chlorpromazine. AB - A synthetic platform for chlorpromazine (CPZ) oligomers, which could be generated via photo-reaction of CPZ, is essential to promote their biological and structural studies. In this paper, the first synthetic platform for CPZ oligomers is described. A photo-irradiation experiment of CPZ to confirm whether the structure of the CPZ dimer generated by the photo-irradiation was identical to that prepared by our synthetic method is also reported. PMID- 29199221 TI - Synthesis of Tetrahydrobiphenylene via Pd(0)-Catalyzed C(sp2)-H Functionalization. AB - Tetrahydrobiphenylene consists of cyclobutene fused with benzene and cyclohexene rings. In this paper, a direct method for synthesizing tetrahydrobiphenylenes based on a palladium (Pd)(0)-catalyzed C(sp2)-H functionalization was investigated. The developed method was applied to the synthesis of several tetrahydrobiphenylenes having an oxygen functionality at the ring juncture. The derivatization of a tetrahydrobiphenylene is also reported. PMID- 29199222 TI - Differences in Powder Properties of Two 1,4-Dihydropyridine-Type Compounds Evaluated through Thermal Analysis. AB - The powder properties of two 1,4-dihydropyridine type compounds, manidipine dihydrochloride (Man) and benidipine hydrochloride (Ben), which possess similar physicochemical properties, were compared through thermal and mechanical analyses. Man and Ben were compressed with lactose monohydrate (Lac) and magnesium stearate (Mgst) at different compression forces. As an index, we focused on the onset temperatures of Lac dehydration during thermal analysis and plotted them against compression forces to evaluate the differences in powder properties between Man and Ben. To discuss in detail, the Lac ratio was selected as a formulation factor and compression speed as a process factor, which would be influenced to the onset temperature or its profile. It could be represented that Man was more adherent than Ben through thermal analysis by changing these critical factors, which were consistent with the results obtained through mechanical analysis. PMID- 29199223 TI - Asymmetric Conjugate Additions of Carbonyl Compounds to Nitroalkenes under Solvent-Free Conditions Using Fluorous Diaminomethylenemalononitrile Organocatalyst. AB - The novel fluorous organocatalyst bearing a diaminomethylenemalononitrile motif is prepared. The fluorous organocatalyst efficiently promotes asymmetric conjugate additions of ketones to nitroalkenes and results in high yields of these addition products with excellent enantioselectivities under solvent-free conditions. PMID- 29199224 TI - p-Coumaroyl Malate Derivatives of the Pandanus amaryllifolius Leaf and Their Isomerization. AB - A novel p-coumaroyl dimethyl malate (1) was isolated from the Pandanus amaryllifolius leaf in addition to three known analogs of p-coumaroyl dimethyl malate (2-4), and their structures were elucidated by analysis of the spectroscopic data. The p-coumaroyl malate derivatives were isolated as a mixture of E and Z isomers. To determine the cause of isomerization, the p-coumaroyl malate isolated in this study was synthesized. We concluded that the Z isomer might be an artifact generated from the E isomer through purification steps. PMID- 29199225 TI - Flavonoid Glycosides from Sedum bulbiferum. AB - The MeOH extract from dried whole Sedum bulbiferum MAKINO (Crassulaceae) plants yielded 34 compounds, including six new flavonoid glycosides and 28 known compounds. The structures of new compounds were established using NMR, Mass spectroscopic analysis and chemical evidence. PMID- 29199226 TI - Imaging of Sialidase Activity and Its Clinical Application. AB - Sialidase releases sialic acid residues from the ends of sugar chains. The sialidases are involved in many physiological processes including cell differentiation and proliferation and immune function as well as pathophysiological conditions such as various human cancers and infections. Therefore visualization of sialidase activities with high sensitivity could provide valuable insights into these isozyme's activity. We developed novel fluorescent sialidase substrates, 2-benzothiazol-2-yl-phenol derivatives-based N acetylneuraminic acid (Neu5Ac) (BTP-Neu5Ac) substrates, for highly sensitive and specific visualization of sialidase activity in living mammalian tissues and virus-infected cells. We found that BTP-Neu5Ac can visualize sialidase activities sensitively and selectively in rat tissues including brain slices. BTP-Neu5Ac can also clearly detect cancer cells implanted orthotopically in mouse colons and human colon cancers. In this review, I describe imaging of sialidase activity with BTP-Neu5Ac in animal tissues, detection of colon cancer, memory formation, detection of virus-infected cells, and application to drug-resistant influenza virus detection and separation. PMID- 29199228 TI - Progression of Time-Dependent Changes to the Mechanisms of Vasodilation by Protease-Activated Receptor 2 in Metabolic Syndrome. AB - Protease-activated receptor 2 (PAR2) is a G protein-coupled receptor activated by serine proteases released from tissues or by synthetic peptide ligands administered pharmacologically. Its wide expression in the cardiovascular system, particularly within the endothelium, vasodilation activity, and link to increased expression of inflammatory cytokines positions PAR2 as a potentially important regulator of vascular pathology under conditions of tissue inflammation, and injury; and thus, a pharmaceutical target for new therapeutics. Obesity is considered a chronic low-grade systemic inflammatory condition as inflammatory cytokines released from adipocytes are closely related to development of metabolic syndrome and related disorders. Our work over the past five-years has focused on the changes in vasomotor functions of PAR2 in metabolic syndrome, using an animal model known as the SHRSP.Z-Leprfa/IzmDmcr rats (SHRSP.ZF). In young SHRSP.ZF that had already developed impaired responses to nitric oxide, we reported that PAR2-induced endothelium-dependent vasodilation is preserved. However, this PAR2 vasodilation decreased with increasing age and further chronic exposure to the conditions of metabolism disorder. These findings raise the possibility that PAR2 regulates tissue perfusion and can protect organs from injury, which is an increasing clinical concern at later stages of metabolic syndrome. Here we present our studies on the time-dependent changes in vasoreactivity to PAR2 in metabolic syndrome and the underlying mechanisms. Furthermore, we discuss the implications of these age-related changes in PAR2 for the cardiovascular system in metabolic syndrome. PMID- 29199229 TI - Mammalian Target of Rapamycin (mTOR) as a Potential Therapeutic Target in Pathological Ocular Angiogenesis. AB - Pathological ocular angiogenesis is a causative factor of retinopathy of prematurity, proliferative diabetic retinopathy, and wet age-related macular degeneration. Vascular endothelial growth factor (VEGF) plays an important role in pathological angiogenesis, and anti-VEGF agents have been used to treat the ocular diseases that are driven by pathological angiogenesis. However, adverse effects associated with the blockade of VEGF signaling, including impairments of normal retinal vascular growth and retinal function, were suggested. Therefore, the development of a safe, effective strategy to prevent pathological ocular angiogenesis is needed. Recent studies have demonstrated that inhibitors of the mammalian target of rapamycin (mTOR) target proliferating endothelial cells within the retinal vasculature. Here, we review the potential of targeting the mTOR pathway to treat pathological ocular angiogenesis. PMID- 29199230 TI - New Insights into the Role of Basement Membrane-Derived Matricryptins in the Heart. AB - The extracellular matrix (ECM), which contributes to structural homeostasis as well as to the regulation of cellular function, is enzymatically cleaved by proteases, such as matrix metalloproteinases and cathepsins, in the normal and diseased heart. During the past two decades, matricryptins have been defined as fragments of ECM with a biologically active cryptic site, namely the 'matricryptic site,' and their biological activities have been initially identified and clarified, including anti-angiogenic and anti-tumor effects. Thus, matricryptins are expected to be novel anti-tumor drugs, and thus widely investigated. Although there are a smaller number of studies on the expression and function of matricryptins in fields other than cancer research, some matricryptins have been recently clarified to have biological functions beyond an anti-angiogenic effect in heart. This review particularly focuses on the expression and function of basement membrane-derived matricryptins, including arresten, canstatin, tumstatin, endostatin and endorepellin, during cardiac diseases leading to heart failure such as cardiac hypertrophy and myocardial infarction. PMID- 29199231 TI - Augmented Contractility to Noradrenaline in Femoral Arteries from the Otsuka Long Evans Tokushima Fatty Rat, a Model of Type 2 Diabetes. AB - Although vasculopathies may occur systemically, there are few reports regarding femoral arteries of type 2 diabetes. Here, we investigated whether contractile response to noradrenaline in femoral arteries would change in type 2 diabetic male Otsuka Long-Evans Tokushima Fatty (OLETF) rat at the chronic stage of disease (1 year old) versus age-matched control Long-Evans Tokushima Otsuka (LETO) rat. OLETF rat exhibited hyperglycemia, hypertension, hyperlipidemia, and hypoinsulinemia compared to age-matched LETO rat. Noradrenaline-induced contraction was increased in femoral arteries in OLETF rats compared with LETO rats whereas serotonin- or phenylephrine-induced contractions were similar between these two animals. Acetylcholine- and sodium nitroprusside-induced relaxations were similar between the two groups. Very small relaxations in femoral arteries induced by clonidine and isoprenaline were obtained in LETO but not OLETF group. Noradrenaline-induced contraction was enhanced by treatment with NG-nitro-L-arginine (L-NNA), a nitric oxide synthase (NOS) inhibitor, and the between-group difference of contraction was eliminated by such treatment. Indomethacin, a non-selective cyclooxygenase (COX) inhibitor, reduced noradrenaline-induced contraction in both groups, whereas the contraction was greater in OLETF group versus LETO. Femoral arterial protein expression of endothelial NOS, COX-1, and superoxide dismutases were similar between the two groups, whereas reduction of COX-2 expression was seen in OLETF group compared with LETO. Increased contractile responsiveness to noradrenaline is seen in OLETF rat femoral artery and this may be due to reduction of suppressive effect of NO. PMID- 29199232 TI - Supplemented Chondroitin Sulfate and Hyaluronic Acid Suppress Mineralization of the Chondrogenic Cell Line, ATDC5, via Direct Inhibition of Alkaline Phosphatase. AB - Chondroitin sulfate (CS) is a sulfated polysaccharide produced by chondrocytes. Alkaline phosphatase (ALP) is an important enzyme involved in the mineralization of chondrocytes. In recent years, it has been reported that CS regulates the differentiation of various cells. In this study, we investigated the effect of supplemented CS on ALP activity and mineralization of the chondrogenic cell line, ATDC5. In addition, hyaluronic acid (HA), a non-sulfated and acidic polysaccharide, was used in comparison to CS. CS and HA significantly suppressed ALP activity without affecting ATDC5 cell proliferation. In addition, although the inhibition of ALP activity was observed at every time point, Alp mRNA expression level was not affected by CS. The suppressive effect of CS on ALP activity was abrogated by pre-treatment with chondroitinase ABC (CSase). CS and L homoarginine (hArg), an inhibitor of ALP, significantly suppressed mineralization in ATDC5 cells. In conclusion, supplemented CS directly inhibits ALP to prevent the progression of chondrocytes from differentiation to mineralization. PMID- 29199233 TI - Inhibition of Laser-Induced Choroidal Neovascularization by Hematoporphyrin Dimethylether-Mediated Photodynamic Therapy in Rats. AB - This study aimed to investigate the effect of hematoporphyrin dimethylether (HDME)-mediated photodynamic therapy for laser-induced choroidal neovascularization (CNV) in adult Brown Norway rats. HDME was administered via tail vein at 14 d after the laser photocoagulation, and the rats received irradiance with a laser light at 570 nm at 15 min after injection. CNV was evaluated by fundus photography, fundus fluorescein angiography, optical coherence tomography, and hematoxylin and eosin staining. We found that CNV was occurred at 7 d after photocoagulation and reaching peak activity at 14 d after photocoagulation. There is a significant reduction in the total area of the fluorescein leakage and the number of strong fluorescein leakage spots on 7 d after HDME-mediated photodynamic therapy (PDT). The results suggest that HDME mediated PDT inhibits laser-induced CNV in rats, representing a promising therapy for wet age-related macular degeneration. PMID- 29199234 TI - The Seed of Zizyphus jujuba var. spinosa Attenuates Alzheimer's Disease Associated Hippocampal Synaptic Deficits through BDNF/TrkB Signaling. AB - Ziziphus jujuba is a plant, which bears fruits and seeds that are used for medicinal purposes in Traditional oriental medicine. The seed of Zizyphus jujuba var. spinosa (EZJ) has been also traditionally used for psychiatric disorders in Chinese and Korean medicines. Recent findings have indicated that EZJ improves memory impairment, a common symptom of various neurological diseases. However, the effects of EZJ on amyloid beta (Abeta) toxicity, which is a main cause of Alzheimer's disease (AD), remain to be elucidated. To illuminate the potential anti-AD effect and mechanism in the mouse hippocampal tissue, we examined the effect of standardized EZJ on Abeta-induced synaptic long-term potentiation (LTP) deficit in the hippocampal tissue. EZJ blocked Abeta-induced LTP deficits in a concentration-dependent manner. Moreover, EZJ increased brain-derived neurotrophic factor (BDNF) level in naive hippocampal slices. The finding that the blockade of BDNF receptor reduced the effect of EZJ suggests that EZJ ameliorates the Abeta-induced LTP deficit through BDNF/topomyosin receptor kinase B (TrkB) signaling. However, transcription or translation inhibitors failed to block the effect of EZJ, suggesting that BDNF synthesis is not required for the action of EZJ on LTP. Finally, we found that EZJ stimulates plasmin activity. In contrast, plasmin inhibitor blocked the effect of EZJ on the Abeta-induced LTP deficit. Our findings indicate that EZJ ameliorates Abeta-induced LTP deficits through BDNF/TrkB signaling. This phenomenon is induced by a regulatory effect of EZJ on the post-translation modification of BDNF. PMID- 29199235 TI - Factors Influencing the Appearance of Oxaliplatin-Induced Allergy. AB - Several studies reported that the administration of oxaliplatin often induced allergy, but few studies have analyzed the pathogenesis. In this study, we examined the relationship between the incidence of allergy and status of oxaliplatin administration, patient background, laboratory data, or combined drugs. The subjects were 144 patients with colorectal or gastric cancer in whom oxaliplatin administration was started and completed between 2010 and 2016. They were divided into 2 groups: allergy and non-allergy groups. We extracted important factors influencing its appearance using multivariate analysis, and analyzed items of which the influence was suggested, using receiver operating characteristic (ROC) analysis. In 11 patients (7.6%), allergy appeared. The median frequency of appearance was 9 times (range: 5-13), being similar to that previously reported. On multivariate analysis, albumin (Alb) was extracted as an important factor. The cut-off value of Alb for the risk of allergy was 4.1 g/dL. An increase in the number of protein conjugates may have increased the risk of functioning as a hapten. Furthermore, the results suggested that the more frequency of oxaliplatin administration might increase the incidence of allergy, although it was not extracted as an important factor. In addition to young and female patients, as previously indicated, careful follow-up may be necessary for those with an Alb level of >=4.1 g/dL especially after the 6th course. PMID- 29199236 TI - Characterization of an L-Carnitine Transport System in Murine Photoreceptor Cell Line. AB - While it is well known that L-carnitine [3-hydroxy-4-(trimethylazaniumyl) butanoate] is an essential molecule for beta-oxidation, it provides anti oxidative effects as well. Since these effects have been observed in photoreceptor cells, the carnitine's intracellular concentration is considered to play a protective role against oxidative damage to those cells. However, even though its high hydrophilicity makes it likely that carnitine import is accomplished via a dedicated host transport system, the specific uptake process into those cells is currently unknown. Therefore, in this study, we sought to identify and characterize photoreceptor cell carnitine uptake transporter(s) utilizing 661W cells as a photoreceptor cell model. The results of our uptake assays showed that carnitine was transported into 661W cells in a saturable manner (Km=5.5 mM), and that the activity was susceptible to extracellular pH and Na+. While these data suggest the involvement of a transporter in 661W cell carnitine uptake, the observed transport profile did not correspond to any of the currently known carnitine transporters such as organic cation/carnitine transporter 1 (Octn1), Octn2, Octn3, B0,+ and Ct2. In fact, in our experiments, the mRNA expressions for such carnitine transporters in 661W cells were consistently very low and the carnitine transporter substrates did not inhibit the uptake activities. Taken as a whole, our results indicate that carnitine is transported into 661W cells in a carrier-mediated manner. However, since its transport modes cannot be fully explained by known carnitine transporters, it is highly likely that photoreceptor cells utilize a unique molecularly-based carnitine uptake system. PMID- 29199237 TI - Active Ingredients of Hange-shashin-to, Baicalelin and 6-Gingerol, Inhibit 5 Fluorouracil-Induced Upregulation of CXCL1 in the Colon to Attenuate Diarrhea Development. AB - 5-Fluorouracil (5-FU) is widely used as an anti cancer drug and is known to cause severe diarrhea. Recently we suggested that levels of chemokine (C-X-C motif) ligand 1 (CXCL1) and neutrophil recruitment in the colonic mucosa were drastically increased by the 5-FU administration in mice. Hange-shashin-to (HST) is prescribed in Japan for treat gastritis, stomatitis, and inflammatory diarrhea. We therefore examined the effects of HST and its active ingredients on 5-FU-induced CXCL1 upregulation in cultured colon tissue, and also examined the effects of HST on 5-FU-induced diarrhea development in the mouse. The distal colon isolated from the mouse was incubated with 5-FU and HST. Mice were given 5 FU (50 mg/kg, intraperitoneally (i.p.)) daily for four days. HST (300 mg/kg, per os (p.o.)) was administered 30 min before mice received 5-FU. mRNA levels of CXCL1 in the colon were examined using quantitative RT-PCR. 5-FU enhanced CXCL1 mRNA in the colon but the effect by 5-FU was markedly suppressed by application of HST and its active ingredients, baicalein and 6-gingerol. Nuclear factor kappa B (NF-kappaB) was activated by 5-FU treatment in cultured colon tissue, which was also suppressed by HST and the combination of baicalein and 6-gingerol. Furthermore, HST reduced 5-FU-induced diarrhea development. Under such experimental condition, CXCL1 gene, protein levels of neutrophil elastase and myeloperoxidase upregulation induced by 5-FU in the colon was attenuated by HST. These findings suggest that HST, especially baicalein and 6-gingerol, prevent the development of neutrophil recruitment and diarrhea by the inhibition of NF-kappaB activity. PMID- 29199238 TI - SELEX-Based Screening of Exosome-Tropic RNA. AB - Cell-derived nanosized vesicles or exosomes are expected to become delivery carriers for functional RNAs, such as small interfering RNA (siRNA). A method to efficiently load functional RNAs into exosomes is required for the development of exosome-based delivery carriers of functional RNAs. However, there is no method to find exosome-tropic exogenous RNA sequences. In this study, we used a systematic evolution of ligands by exponential enrichment (SELEX) method to screen exosome-tropic RNAs that can be used to load functional RNAs into exosomes by conjugation. Pooled single stranded 80-base RNAs, each of which contains a randomized 40-base sequence, were transfected into B16-BL6 murine melanoma cells and exosomes were collected from the cells. RNAs extracted from the exosomes were subjected to next round of SELEX. Cloning and sequencing of RNAs in SELEX screened RNA pools showed that 29 of 56 clones had a typical RNA sequence. The sequence found by SELEX was enriched in exosomes after transfection to B16-BL6 cells. The results show that the SELEX-based method can be used for screening of exosome-tropic RNAs. PMID- 29199239 TI - Evaluation of Drug-Induced Photosensitivity Using the Japanese Adverse Drug Event Report (JADER) Database. AB - Drug-induced photosensitivity (DIP) refers to the development of cutaneous disorders caused by the combined effects of different medications and light. The aim of this study was to obtain new information on drug risk comparisons and on DIP onset profiles, including seasonal variations, for clinically used prescription drugs. We analyzed reports of DIP recorded in the Japanese Adverse Drug Event Report (JADER) database using a reporting odds ratio (ROR). We also used Weibull proportional-hazards models for each drug to examine the patterns of DIP. The JADER database contains 430587 reports recorded from April 2004 to November 2016. The ROR values (95% confidence interval [CI]) of losartan/hydrochlorothiazide (HCTZ), valsartan/HCTZ, and ketoprofen were 214.5 (162.1-283.9), 104.7 (66.3-165.5), and 117.9 (76.6-181.5), respectively. For time to-onset analysis, the median durations (interquartile range) for DIP caused by losartan/HCTZ, valsartan/HCTZ, and ketoprofen were 56 (41-78), 49 (38-88), and 8 (2-14) days, respectively. The lower limit of the 95% CI for the Weibull shape parameter beta value for losartan/HCTZ was greater than 1. More than half of the reports of DIP onset following the administration of ketoprofen were recorded within 10 d of treatment initiation. The seasonal variation of photosensitivity reactions was shown to follow an annual sinusoidal pattern with a peak in April and May. Based on the results, losartan/HCTZ, valsartan/HCTZ, and ketoprofen should be used carefully in clinical practice to avoid DIP. PMID- 29199240 TI - Improvement of the Solubility and Intestinal Absorption of Curcumin by N-Acyl Taurates and Elucidation of the Absorption-Enhancing Mechanisms. AB - In this study, the effects of N-acyl taurates (NATs) on the intestinal absorption of curcumin (CUR), a water-insoluble and poorly absorbed compound, were examined in rats. Sodium methyl lauroyl taurate (LMT) and sodium methyl cocoyl taurate (CMT) were the most effective in increasing the solubility and intestinal absorption of CUR. The intestinal membrane toxicity of the NATs was also evaluated by measuring the activity of lactate dehydrogenase (LDH), a toxicity marker. NATs did not increase the activity of LDH, suggesting that they may be safely administered orally. We further elucidated the absorption-enhancing mechanisms of NATs by using Caco-2 cells. In cellular transport studies, LMT and CMT reduced the transepithelial electrical resistance value of Caco-2 cells and increased the transport of 5(6)-carboxyfluorescein and CUR. Hence, the intestinal absorption enhancement by LMT and CMT was attributed to the synergistic effect of higher solubility and greater permeability of the cell layer towards CUR in the presence of the surfactants. In summary, co-administration of CUR with either LMT or CMT is a simple and effective method to enhance oral delivery of CUR. PMID- 29199241 TI - Packaging of the Coenzyme Q10 into a Liposome for Mitochondrial Delivery and the Intracellular Observation in Patient Derived Mitochondrial Disease Cells. AB - While Coenzyme Q10 (CoQ10) is thought to be effective for the treatment of a variety of diseases, it limits its cellular uptake. Because of the hydrophobic nature of CoQ10, it is reasonable to assume that it could be encapsulated within a liposomal carrier. Several reports regarding the packaging of CoQ10 in liposomes have appeared, but detailed investigations of the preparation of CoQ10 encapsulated liposomes have not been reported. As a result, information regarding the optimal method of packaging CoQ10 in liposomes is not available. In this study, several types of liposomes were prepared using different methods and their characteristics were compared. Since CoQ10 is mainly located in the inner mitochondrial membrane, a liposome that targets mitochondria, a MITO-Porter, was used as a model liposome. It was possible to incorporate high levels of CoQ10 into the carrier. Transmission electron microscopy analyses showed that an empty MITO-Porter and the CoQ10-MITO-Porter were structurally different from one another. Even though significant structural differences were observed, mitochondrial delivery was not affected in mitochondrial disease fibroblast cells, as evidenced by confocal laser scanning microscopy observations. The results reported herein suggest that the CoQ10-MITO-Porter might be a suitable candidate for the potential medical therapy of mitochondria-related diseases. PMID- 29199242 TI - A Single-Step "Breeding" Generated a Diagnostic Anti-cortisol Antibody Fragment with Over 30-Fold Enhanced Affinity. AB - Cortisol levels in bodily fluids represent a useful index for pituitary-adrenal function, and thus practical anti-cortisol antibodies are required. We have studied "antibody-breeding" approaches, which involve in vitro evolution of antibodies to improve their antigen-binding performances. Here, we produced an antibody fragment to measure serum cortisol levels with over 30-fold enhanced affinity after single mutagenesis and selection steps. A mouse anti-cortisol antibody, Ab-CS#3, with insufficient affinity for practical use, was chosen as the prototype antibody. A "wild-type" single-chain Fv fragment (wt-scFv; Ka, 3.4*108 M-1) was prepared by bacterial expression of a fusion gene combining the VH and VL genes for this antibody. Then, random point mutations were generated separately in VH or VL by error-prone PCR, and the resulting products were used to assemble scFv genes, which were displayed on filamentous phages. Repeated panning of the phage library identified a mutant scFv (scFv#m1-L10) with an over 30-fold enhanced affinity (Ka 1.2*1010 M-1). Three amino acid substitutions (Cys49Ser, Leu54Pro, and Ser63Gly) were observed in its VL sequence. In a competitive enzyme-linked immunosorbent assay (ELISA), the mutant scFv generated dose-response curves with measuring range ca. 0.03-0.6 ng/assay cortisol, midpoint of which (0.15 ng/assay) was 7.3-fold lower than that of wt-scFv. Although cortisone, 11-deoxycortisol, and prednisolone showed considerable cross reactivity, the mutant scFv should enable sensitive routine cortisol assays, except for measurement after metyrapone or high-dose of prednisolone administrations. Actually, cortisol levels of control sera obtained with the scFv based ELISA were in the reference range. PMID- 29199243 TI - Daphnane and Phorbol Diterpenes, Anti-neuroinflammatory Compounds with Nurr1 Activation from the Roots and Stems of Daphne genkwa. AB - The methanol extract of the roots and stems of Daphne genkwa and its constituents yuanhuacin (1) and genkwanine N were previously reported to have Nurr1 activating effects and neuroprotective effects in an animal model of Parkinson's disease (PD). In this study, four more daphnane-type diterpenes (acutilonine F (2), wikstroemia factor M1 (3), yuanhuadine (5), and yuanhuatine (6)) and two phorbol type diterpenes (prostratin Q (4) and 12-O-n-deca-2,4,6-trienoyl-phorbol-(13) acetate (7)) were isolated as Nurr1 activating compounds from the D. genkwa extract. Consistent with their higher Nurr1 activating activity, compounds 1, 4, 5, and 7 exhibited higher inhibitory activity on lipopolysaccharide (LPS)-induced nitric oxide (NO) production in murine microglial BV-2 cells with an IC50 (uM) of 1-2, which was 15-30 times more potent than that of minocycline (29.9 uM), a well known anti-neuroinflammatory agent. Additionally, these diterpenes reduced expression and transcription of LPS-induced pro-inflammatory cytokines in BV-2 cells. Thus, the daphnane-type and phorbol-type diterpenes had anti neuroinflammatory activity with Nurr1 activation and could be responsible for the anti-PD effect of the roots and stems of D. genkwa. PMID- 29199244 TI - Errata for Biological and Pharmaceutical Bulletin. PMID- 29199245 TI - Primary renal mixed tumor characterized by marked proliferation of osteoblast like cells with osteoid formation in a swine. AB - Renal mixed tumor characterized by the absence of nephrogenic blastema and the presence of predominant osteoid-producing osteoblast-like cells occurred in the kidney of a 6-month-old, hybrid, female pig. At the post-mortem examination, the tumor was found as a calcified grayish-white mass at the cranial end of the left kidney. Histologically the tumor consisted of 3 growth areas of poorly differentiated spindle cells, osteoid-producing osteoblast-like cells, and luminal epithelial cells. Transition from the spindle cells to the osteoblast like cells or the luminal epithelial cells was observed. Immunohistochemically, the spindle cells and the osteoblast-like cells were consistently positive for beta-catenin. Although the luminal epithelial cells and adjacent spindle cells were positive for cytokeratin, these 3 types of tumor cells were consistently negative for WT1. The tumor was diagnosed as primary renal mixed tumor characterized by marked proliferation of osteoblast-like cells with osteoid formation. PMID- 29199246 TI - Factors Leading to Improved Gait Function in Patients with Subacute or Chronic Central Nervous System Impairments Who Receive Functional Training with the Robot Suit Hybrid Assistive Limb. AB - The factors that lead to the improvement of gait function in patients with diseases of the central nervous system (CNS) who use a hybrid assistive limb (HAL) are not yet fully understood. The purpose of the present study was to analyze these factors to determine the prognosis of the patients' gait function. Patients whose CNS disease was within 180 days since onset were designated as the subacute-phase patients, and patients whose disease onset had occurred more than 180 days previously were designated as chronic-phase patients. Fifteen subacute phase patients and 15 chronic-phase patients were given HAL training. The study analyzed how post-training walking independence in these patients was affected by the following factors: age, disease, lesion area, lower limb function, balance, period until the start of training, number of training sessions, additional rehabilitation, higher-order cognitive dysfunction, HAL model, and the use of a non-weight-bearing walking-aid. In subacute-phase patients, walking independence was related to lower limb function (rs = 0.35). In chronic-phase patients, there was a statistically significant correlation between post-training walking independence and balance (rs = 0.78). In addition, in patients with a severe motor dysfunction that was accompanied by inattention and global cognitive dysfunction, little improvement occurred, even with double-leg model training, because they had difficulty wearing the device. The results demonstrated that the factors that improved walking independence post HAL training differed between patients with subacute- and chronic-stage CNS diseases. The findings may serve as valuable information for future HAL training of patients with CNS diseases. PMID- 29199247 TI - Utility of Indocyanine Green Video Angiography for Sylvian Fissure Dissection in Subarachnoid Hemorrhage Patients - Sylvian ICG Technique. AB - Indocyanine green (ICG) emits fluorescence in the far-red domain under light excitation. ICG video angiography (ICG-VA) has been established as a useful method to evaluate blood flow in the operative field. We report the usefulness of ICG-VA for Sylvian fissure dissection in patients with subarachnoid hemorrhage (SAH). Subjects comprised 7 patients who underwent ICG-VA before opening the Sylvian fissure during neck clipping for ruptured cerebral aneurysm. We observed contrasted Sylvian veins before opening the Sylvian fissure using surgical microscopes. This procedure was termed "Sylvian ICG". We observed ICG fluorescence quickly in all cases. Sylvian veins that appeared unclear in the standard microscopic operative field covered with subarachnoid hemorrhage were extremely clearly depicted. These Sylvian ICG findings were helpful in identifying entry points and the dissecting course of the Sylvian fissure. At the time of clipping, no residual fluorescence from Sylvian ICG was present, and aneurysm clipping was not impeded. Sylvian ICG for SAH patients is a novel technique to facilitate dissection of the Sylvian fissure. We believe that this technique will contribute to improved safety of clipping surgery for ruptured aneurysms. PMID- 29199248 TI - Progressive Mycotic Celiac Artery Aneurysm Associated With Coagulase-Negative Staphylococcal Prosthetic Valve Endocarditis. PMID- 29199249 TI - Utility of Single-Photon Emission Computed Tomography/Computed Tomography Fusion Imaging With 99 mTc-Pyrophosphate Scintigraphy in the Assessment of Cardiac Transthyretin Amyloidosis. PMID- 29199250 TI - Ci-AMBP: a highly conserved member of the microglobulin superfamily of proteinase inhibitors in grass carp, Ctenopharyngodon idellus. AB - A full-length cDNA clone encoding grass carp (Ctenopharyngodon idellus) alpha1 microglobulin/bikunin precursor (Ci-AMBP) was isolated by subtracted differential hybridization screening from a liver cDNA library. The deduced amino acid sequence shared approximately 50% sequence identity with its mammalian counterparts, but more than 90% identity with another fish species. AMBPs are the precursors of the plasma glycoproteins alpha1-microglobulin (alpha1m) and bikunin. Both peptide structures and their chromosomal organization were well conserved in Ci-AMBP. The alpha1m and bikunin polypeptides are separated by the typical tetrapeptide R-A-R-R that provides an endoproteolytic cleavage site for maturation. The genetic organization of domains and functional motifs indicated that Ci-AMBP is a typical member of the lipocalin and Kunitz-type protease inhibitor superfamilies. Expression of the Ci-AMBP gene in different tissues/organs was evaluated using semi-quantitative RT-PCR and, in contrast to the restricted expression in other species, transcripts were detected in a wide range of tissues. The most abundant expression occurred in the secretory organs, which supports the roles of alpha1m and bikunin in the immune response to diseases and in the stress response. PMID- 29199251 TI - [Change Emergency Intensive Care!!Create and Disseminate Evidence That Contributes to Improving the Treatment of Critically Ill Patients]. PMID- 29199252 TI - [Evaluation of Pharmacotherapy on Emergency and Intensive Care Medicine: The Influence of Intensity and Duration of Invasion]. AB - Critically ill patients who receive high-level invasion show physiological changes different from those under more normal conditions, along with variable therapeutic effects and pharmacokinetics. The concept of systemic inflammatory response syndrome (SIRS) has been introduced to describe the clinical state resulting from invasive actions taken under acute circumstances, resulting in an acute-phase systemic response. In particular, dosages of vancomycin (VCM) and phenytoin (PHT) need to be adjusted by therapeutic drug monitoring (TDM) because of their narrow therapeutic concentration windows. However, there are few reports on the pharmacokinetics of VCM and PHT in patients with SIRS. We performed a retrospective cohort study of patients treated with VCM and PHT. These studies suggest that the pharmacokinetics of VCM are affected by SIRS score and duration. Furthermore, the concentration of PHT was also shown to be higher in SIRS patients compared with non-SIRS patients. These findings suggest that the pharmacokinetics of VCM and PHT may be affected by the pathology of SIRS, rather than by other patient characteristics. Modifying dosing according to SIRS will improve the prediction accuracy of drug concentration based on TDM. In this review, I introduce work conducted by pharmacists in the clinical study of critically ill patients, and will be discussing the evaluation of pharmacotherapy in emergency and intensive care medicine. PMID- 29199253 TI - [Effects of Pharmacist Intervention on the Treatment of Infectious Diseases in Critically Ill Patients]. AB - The pathological conditions of patients who require intensive care are usually complex and extremely severe; their health and life are in a critical state. Therefore, correct, rapid treatment of these conditions is indispensable. Furthermore, the selection of drugs and adjustment of their dosage for an immediate effect are important. Moreover, most patients are immunocompromised and present an extremely high level of risk for complications involving infectious diseases. Since such complications may lead to life-threatening outcomes, a rational dosage regimen to achieve sufficient antimicrobial activity from the initial stage of treatment is essential. However, most critically ill cases are complicated by several factors: fluid retention including edema, pleural effusion, and ascites; increased vascular permeability and hypoalbuminemia; and dysfunction of various organs. These factors cause significant changes in the pharmacokinetics of antimicrobials, making it particularly difficult to design a dosage regimen at the time of initial administration. Thus, we focused on the importance of a rational dosage regimen for antimicrobial drugs in the treatment of infectious diseases. We conducted a retrospective study of severe cases of pneumonia with a high death rate; patients were divided into two groups according to the pharmacist intervention procedures and a comparative study of treatment efficacy was performed. Furthermore, for antimicrobial agents to exert a sufficient effect from the initial stage of treatment, we examined the theoretical methodology underlying the initial administration. PMID- 29199254 TI - [Drug Repositioning Research Utilizing a Large-scale Medical Claims Database to Improve Survival Rates after Cardiopulmonary Arrest]. AB - Approximately 100000 people suffer cardiopulmonary arrest in Japan every year, and the aging of society means that this number is expected to increase. Worldwide, approximately 100 million develop cardiac arrest annually, making it an international issue. Although survival has improved thanks to advances in cardiopulmonary resuscitation, there is a high rate of postresuscitation encephalopathy after the return of spontaneous circulation, and the proportion of patients who can return to normal life is extremely low. Treatment for postresuscitation encephalopathy is long term, and if sequelae persist then nursing care is required, causing immeasurable economic burdens as a result of ballooning medical costs. As at present there is no drug treatment to improve postresuscitation encephalopathy as a complication of cardiopulmonary arrest, the development of novel drug treatments is desirable. In recent years, new efficacy for existing drugs used in the clinical setting has been discovered, and drug repositioning has been proposed as a strategy for developing those drugs as therapeutic agents for different diseases. This review describes a large-scale database study carried out following a discovery strategy for drug repositioning with the objective of improving survival rates after cardiopulmonary arrest and discusses future repositioning prospects. PMID- 29199255 TI - [Diversity of Secondary Metabolites from Some Medicinal Plants and Cultivated Lichen Mycobionts]. AB - Studies on the structural determination, biosynthesis, and biological activities of secondary metabolites from natural sources are significant in the field of natural products chemistry. This review focuses on diverse secondary metabolites isolated from medicinal plants and cultivated mycobionts of lichens in our laboratory. Monoterpene-tetrahydroisoquinoline glycosides and alkaloids isolated from Cephaelis acuminata and Alangium lamarckii gave important information on the biosynthesis of ipecac alkaloids. A variety of glycosides linked with a secologanin unit and indole alkaloids were obtained from medicinal plants belonging to the families of Rubiaceae, Apocynaceae, and Loganiaceae. Plant species of the four genera Fraxinus, Syringa, Jasminum, and Ligustrum of the family Oleaceae were chemically investigated to provide several types of secoiridoid and iridoid glucosides. The biosynthetic pathway leading from protopine to benzophenanthridine alkaloids in suspension cell cultures of Eschscholtzia californica was elucidated. The structures and biological activities of the bisbenzylisoquinoline alkaloids of Stephania cepharantha and Nelumbo nucifera were also investigated. In addition, the mycobionts of lichens were cultivated to afford various types of metabolites that differ from the lichen substances of intact lichens but are structurally similar to fungal metabolites. The biosynthetic origins of some metabolites were also studied. These findings suggest that cultures of lichen mycobionts could be sources of new bioactive compounds and good systems for investigating secondary metabolism in lichens. PMID- 29199256 TI - [Synthesis, Aggregation, Self-assembly, and Dynamic Properties of Helicene Oligomers]. AB - Biological systems exhibit dynamic phenomena at the macroscopic level as a result of the hierarchical integration of phenomena at the molecular level. For example, a number of amino acids compose actin proteins, which form three dimensional structures determined by the sequence of amino acids. They form fibers by self-assembly, which then form ordered structures such as meshes, lyotropic liquid crystals (LCs), and bundles. The dynamic and reversible polymorphism between these nano- to centimeter-sized ordered structures is essential for biological functions such as cell division, contraction, and locomotion. To understand biological systems and create new functional materials, it is essential to develop a methodology to integrate phenomena at the molecular level into those at the macroscopic level using synthetic molecules. In this research, synthetic oligomers containing helicenes, which exhibit reversible structural transitions between cylindrical double helices and random coils in response to thermal stimuli, were employed as building blocks for the development of such a methodology. The properties of homo- and hetero-double helices at the molecular level were first controlled by taking advantage of the diversity of their molecular structures. Then, nano- to micrometer-sized structures were constructed by the self-assembly of hetero-double helices, which include fibers/gels, vesicles, and lyotropic LCs, and their dynamic properties were controlled by molecular design. PMID- 29199257 TI - [Retinoic Acid Prevents Dendritic Cells from Inducing Novel Inflammatory T Cells That Produce Abundant Interleukin-13]. AB - Vitamin A (VA) plays critical roles in gut homeostasis. Dendritic cells in mesenteric lymph nodes (MLN-DCs) can metabolize VA to retinoic acid (RA), thereby inducing gut-tropic lymphocytes and enhancing peripheral differentiation of regulatory T cells expressing forkhead box P3. We found that MLN-DCs from VA deficient mice induced a distinct inflammatory T helper type 2 (Th2)-cell subset that produced abundant interleukin-13 (IL-13) and expressed receptors for homing to skin and inflammatory sites but not to the intestine. IL-6-neutralizing antibodies or RA abrogated the induction of this subset. On the other hand, RA receptor antagonists allowed MLN-DCs from VA-sufficient mice to induce a similar T-cell subset. IL-6 induced the differentiation of this subset from naive CD4+ T cells upon activation with antibodies against CD3 and CD28, and RA receptor antagonists enhanced this induction. It has been considered that VA deficiency reduces Th2-dependent antibody responses. However, oral administration of an antigen to VA-deficient mice failed to induce immune tolerance but primed strong IL-13-dependent immunoglobulin G1 (IgG1) responses and IgE responses that caused skin allergy. These results suggest that MLN-DCs possess the latent ability to induce IL-13-producing inflammatory Th2 cells and that RA prevents them from inducing IL-13-dependent allergic or inflammatory responses to orally administered antigens. PMID- 29199258 TI - [Research on Insufficient Information for Pharmaceutical Products]. AB - Several issues concerning medicines remain unclear, including the availability of known, but not easily recognizable information. This review evaluates the mechanisms of side effects and the various risk indications included in package inserts. The results can be summarized as follows. 1) Short-term exposure to gatifloxacin significantly induced insulin secretion and increased the cytosolic Ca2+ concentration of islet cells by augmenting extracellular Ca2+ influx and its release from the endoplasmic reticulum. Alternatively, there was a decline in the cellular insulin level and reactivity to sulfonylurea after prolonged exposure. The insulin depletion was greater than that produced by other fluoroquinolones. 2) The elution of di(2-ethylhexyl)phthalate (DEHP) from the infusion set could be associated with the solubilizers in the injection medicines. The package inserts of several products containing polysorbate or ethanol had no warning about DEHP. Although there was a slight correlation between polysorbate content and descriptions on package inserts, the use of DEHP-containing devices was prohibited for some products, even with limited amounts of polysorbate. Therefore, the package insert statements should be reviewed to reflect appropriately the extent of DEHP elution. 3) Risk management plan consists of strategies to minimize the potential risks of medicines. One approach could be to introduce reminders on package inserts; however, of 268 potential risks associated with 81 products, 56 were not mentioned in package inserts. Because most postmarketing pharmacovigilance plans depend on spontaneous reporting by healthcare personnel, the descriptions on package inserts should be reexamined. PMID- 29199259 TI - [Development of Novel Functional Molecules Based on the Molecular Structure Characteristics of Diketopiperazines]. AB - This article focuses on our investigation of the molecular structure characteristics of diketopiperazines (DKPs), and application of these findings to the development of novel functional molecules. DKPs bearing a benzyl moiety are known to adopt a folded conformation, in which the benzyl moiety is folded over the DKP ring. In order to investigate the driving force behind the folded conformation, we synthesized DKPs bearing a benzyl moiety with different para substituents, and demonstrated that the folded conformation likely arose from intramolecular CH/pi interactions, based on the electronic effects of para substituents on the benzyl group in 1H NMR spectroscopy. On the other hand, N4 methylation of DKPs bearing a benzyl moiety was found to change their folded conformation to an extended conformation, based on single crystal X-ray crystallography and 1H NMR spectroscopy analysis. Next, we attempted to synthesize both hydroxamate-type siderophores containing the DKP ring: rhodotorulic acid and erythrochelin. Facile synthesis of rhodotorulic acid and its N,N'-dimethylated derivative was achieved by microwave-assisted cyclization of the corresponding dipeptide precursors. Interestingly, N,N'-dimethylated rhodotorulic acid was found to be more soluble in various organic solvents than rhodotorulic acid. Moreover, erythrochelin was synthesized for the first time, and its metal-chelating ability with not only Fe(III) but also Mg(II) was confirmed based on electrospray ionization mass spectrometry (ESI-MS) analysis. Finally, we synthesized DKPs bearing a primary amino group, and found that they could catalyze the asymmetric aldol reaction between hydroxyacetone and p nitrobenzaldehyde. PMID- 29199260 TI - [Implementation and Evaluation of Genetic Testing Seminars about Lifestyle related Disease Prevention in Pharmacy Insurance-The Need for Cooperation between the Pharmacy and the University in Genetic Testing]. AB - A seminar titled "Implementation and evaluation of genetic testing of lifestyle related disease genes" was held for pharmacists, medical clerks, and clerks of pharmacy insurance, with the aim of holding seminars led by pharmacists for the general public (including patients) in the future. The subject of the seminar was single nucleotide polymorphisms in obesity-related genes and alcohol metabolism related genes. The purpose of the seminar was to contribute to the prevention of lifestyle-related diseases of the general public. We evaluated it by administering a questionnaire to the participants before and after the seminar. After the seminar, 55% of pharmacists answered that they would like to or would strongly like to participate in genetic testing (for lifestyle-related diseases and drug metabolism-related genes) of the general public. However, some participants did not wish to do so. A customer satisfaction (CS) analysis found that this was mainly because they did not want to know the results of genetic testing of others, which they felt should be private. Most (82%) of the pharmacists answered that assistance and advice was "very necessary" or "necessary" in the participation of genetic testing. These findings show that collaboration between pharmacies and universities will be important for future seminars to the general public. PMID- 29199262 TI - Impaired Bioenergetics in Clinical Medicine: A Target to Tackle. AB - Mitochondrial energy deficit is considered a key element of different clinical pathologies - from inherited disorders of energy metabolism to drug-induced mitochondrial toxicity, to cardiometabolic and neurodegenerative diseases. However, clinical manifestations of impaired bioenergetics are not easy to recognize, with patient-reported features usually include non-pathognomonic fatigue and weakness, or exercise intolerance, while specific lab tests are missing. Although it is not clear whether poor energetics is a primary deficit or a secondary consequence of specific disorders, improving mitochondrial viability remains a challenging task in both experimental and clinical medicine. In this review, biochemical and clinical evidence of energy deficits were reviewed, along with possible therapeutic options to tackle energy failure and restore bioenergetics. PMID- 29199261 TI - TBX19 is overexpressed in colorectal cancer and associated with lymph node metastasis. AB - The T-box 19 (TBX19) gene encodes a transcription factor characterized by a highly conserved DNA-binding motif (T-box). Recent studies have revealed that TBX19 has been identified as one of the genes activated by KRAS mutations, and is upregulated in colon adenoma. These results indicate that TBX19 may work as an oncogene in colorectal cancer (CRC). However, the expression and role of TBX19 have yet to be investigated. Here, we investigated TBX19 mRNA and protein expressions in colon cancer cells or surgically resected CRC. We found that TBX19 mRNA expression was significantly increased in tumorous tissues compared to that in non-tumorous tissues, and increased TBX19 mRNA expression was associated with positive lymph node metastasis in our cohort. The expression of TBX19 mRNA was not correlated with that of TBX19 protein in tissue sample taken from the CRC patients. Moreover, TBX19 showed positive staining even in the normal colonic tissues and the adjacent non-tumorous tissues. These results suggest that the expression of TBX19 protein is not correlated with the expression of TBX19 mRNA. In addition, our results promote further investigations into the impact of TBX19 upregulation on colorectal carcinogenesis, as well as the underlying mechanisms. PMID- 29199263 TI - Determination of crystalline silica in respirable dust upon occupational exposure for Egyptian workers. AB - Crystalline free silica is considered as a lung carcinogen and the occupational exposure to its dust is a health hazard to workers employed in industries that involve ores of mineral dust. In Egypt, thousands of people work under conditions of silica dust exposure exceeding the occupational exposure limit, as a result the monitoring of this occupational exposure to crystalline silica dust is required by government legislation. The assessment of the later is a multi-phase process, depend on workplace measurements, quantitative analyses of samples, and comparison of results with the permissible limits. This study aims to investigate occupational exposure to crystalline silica dust at 22 factories in Egypt with different industrial activities like stone cutting, glass making, ceramic, and sand blasting. Dust samples were collected from work sites at the breathing zone using a personal sampling pump and a size-selective cyclone and analyzed using FTIR. The sampling period was 60-120 min. The results show that the exposure at each of the industrial sectors is very much higher than the current national and international limits, and that lead to a great risk of lung cancer and mortality to workers. PMID- 29199264 TI - Organophosphorus pesticide exposure in agriculture: effects of temperature, ultraviolet light and abrasion on PVC gloves. AB - Elbow length PVC gloves are often recommended for protection against organophosphorus pesticide (OP) exposure in agriculture. However, performance may be reduced due to high temperature, UV exposure and abrasion. We sought to assess these impacts for two OPs under normal use and reasonable worst-case scenarios. Glove permeation tests were conducted using ASTM cells with two PVC glove brands at 23 degrees C and 45 degrees C for up to 8 h. Technical grade dichlorvos and formulated diazinon were used undiluted and at application strength. Breakthough of undiluted dichlorvos occurred at both 23 degrees C and 45 degrees C, but only at 45 degrees C for application strength. Breakthrough of diazinon was not achieved, except when undiluted at 45 degrees C. UV-exposed and abraded gloves showed reduced performance, with the effect being approximately two-fold for dichlorvos. Only small differences were noted between glove brands. Extra precautions should be taken when handling concentrated OPs at high temperature, or when using abraded or sunlight-exposed gloves. PMID- 29199265 TI - Standard Values and Characteristics of Electrocardiographic Findings in Children and Adolescents. AB - BACKGROUND: Reference values and the characteristics of the electrocardiographic (ECG) findings using a large number of subjects are lacking for children and adolescents.Methods and Results:A total of 56,753 digitally stored ECGs of participants in a school-based ECG screening system were obtained between 2006 and 2009 in Kagoshima, Japan. Each ECG was manually reviewed by 2 pediatric cardiologists and only ECGs with sinus rhythm were included. A final total of 48,401 ECGs from 16,773 1st (6 years old, 50% girls), 18,126 7th (12 years old, 51% girls), and 13,502 10th graders (15 years old, 52% girls) were selected. ECG variables showed differences in age and sex. However, the effects of age and sex on ECG variables such as the PQ interval, QRS voltage, and STJ segment were also different. The 98th percentile values of well-known surrogate parameters for ventricular hypertrophy in the present study were much higher than the conventional criteria. CONCLUSIONS: The present study of a large number of pediatric subjects showed that the effects of age and sex on ECG parameters are different, and that criteria for ventricular hypertrophy should be newly determined by age and sex. We have developed reference data for STJ segment elevation for children and adolescents. These findings are useful for creating guidelines and recommendations for interpretation of pediatric ECG. PMID- 29199266 TI - Diagnosis and Management of Spontaneously Recanalized Coronary Thrombus Guided by Optical Coherence Tomography - Lessons From the French "Lotus Root" Registry. AB - BACKGROUND: Spontaneous reanalyzed coronary thrombus (SRCT) has been reported in autopsy series, but little is known about SRCT, and it is potentially under diagnosed in clinical practice.Methods and Results:SRCT identified on OCT were included in a French multicenter series, the Lotus Root French Registry. A total of 34 SRCT were identified on OCT in 33 patients (23 male; median age, 56 years; IQR, 52-65 years); 23/33 patients (70%) presented with angina pectoris and/or dyspnea. Three angiographic aspects were distinguished retrospectively: braided, pseudo-dissected, and hazy. Stenosis severity on quantitative coronary analysis varied between 11% and 100% (median, 45%), whereas the reduction in lumen area on OCT varied between 20% and 92% (median, 68%). A typical "lotus root" aspect was confirmed on OCT, consisting of multiple circular concave-edged channels of varying size, numbering between 3 and 12 depending on the slice, separated by smooth-edged septa of high luminosity without posterior attenuation. OCT also served to guide treatment, with stenting in 91% of cases. During the 17-month follow-up 91% of patients had excellent evolution. One death and 3 ACS events occurred. CONCLUSIONS: In this large SRCT cohort, angiography had limited diagnostic value whereas OCT could be used to define disease characteristics and guide treatment of lesions inducing angina pectoris and/or silent myocardial ischemia. OCT-guided management was associated with good prognosis. PMID- 29199267 TI - High-Frequency Color Doppler Ultrasound in Diagnosis, Treatment, and Rehabilitation of Achilles Tendon Injury. AB - BACKGROUND This study evaluated the clinical application of high-frequency color Doppler ultrasonography (HFCDU) in the diagnosis, treatment, and rehabilitation of Achilles tendon injury. MATERIAL AND METHODS A total of 68 patients with suspected Achilles tendon injury were examined by HFCDU. There were 42 Achilles tendon injury patients who underwent surgery, and they were randomly divided into a routine treatment group (n=21) and a rehabilitation group (n=21). HFCDU was performed at weeks 1, 3, 6, and 9, and months 3, 6, 9, 12, and 24 after the operation. The thickness of the injured Achilles tendon, echo, blood flow, and tissue adhesion were compared to those of the uninjured side. RESULTS Of the 68 patients, 14 had normal ultrasound presentation with strong echo; 7 had laceration, presenting as swelling and decreased echo; 26 had partial tear, presenting as discontinued rupture with no or low echo; 19 had complete rupture, presenting as discontinued fibers with hypoechoic hemorrhage and hyperechoic fat tissue between ends; 1 had plantar tendon rupture and periapical hemorrhage; and 1 had acute Achilles tendonitis. The postoperative tendon thickness decreased over time, echo turned homogeneous, blood flow and adhesions decreased, and these results were consistent with clinical symptoms. Patient condition and ultrasound recovery were better in the rehabilitation group, and the diameter of the injured tendon increased compared with the uninjured side. CONCLUSIONS HFCDU can determine the types and extent of tendon injuries, and can help in the diagnosis, treatment, and rehabilitation of Achilles tendon injury. PMID- 29199268 TI - A Rare Case of Giant Basal Cell Carcinoma of the Abdominal Wall: Excision and Immediate Reconstruction with a Pedicled Deep Inferior Epigastric Artery Perforator (DIEP) Flap. AB - BACKGROUND Basal cell carcinoma (BCC) greater than 5 cm in diameter is called giant basal cell carcinoma (GBCC), or super giant basal cell carcinoma if it has a diameter larger than 20 cm. Giant BCC only accounts for 0.5% of BCCs and super giant BCC is exceedingly rare. On account of their rarity, there are no established guidelines for GBCC treatment. CASE REPORT We describe a peculiar case of an 82-year-old woman with a GBCC carcinoma of the lower abdominal wall. The tumor was surgically removed with ipsilateral inguinal lymph nodes and the abdominal wall was reconstructed immediately with a pedicled deep inferior epigastric artery perforator (DIEP) flap. CONCLUSIONS Treatment of giant basal cell carcinoma is often difficult, especially in elderly patients with poor general health and multiple pathologies. The pedicled DIEP flap is rotated to cover the loss of substance without tension, and it is easy to harvest and transfer. This flap allowed a good result without local or systemic complication. We present this report as a reminder of the occasional occurrence of extremely aggressive BCCs. We believe that, especially for rare tumors like these, it is very useful for the entire scientific community to publish these cases and the therapeutic strategies used to treat them. PMID- 29199271 TI - Random access quantum information processors using multimode circuit quantum electrodynamics. AB - Qubit connectivity is an important property of a quantum processor, with an ideal processor having random access-the ability of arbitrary qubit pairs to interact directly. This a challenge with superconducting circuits, as state-of-the-art architectures rely on only nearest-neighbor coupling. Here, we implement a random access superconducting quantum information processor, demonstrating universal operations on a nine-qubit memory, with a Josephson junction transmon circuit serving as the central processor. The quantum memory uses the eigenmodes of a linear array of coupled superconducting resonators. We selectively stimulate vacuum Rabi oscillations between the transmon and individual eigenmodes through parametric flux modulation of the transmon frequency. Utilizing these oscillations, we perform a universal set of quantum gates on 38 arbitrary pairs of modes and prepare multimode entangled states, all using only two control lines. We thus achieve hardware-efficient random access multi-qubit control in an architecture compatible with long-lived microwave cavity-based quantum memories. PMID- 29199269 TI - Dendrogenin A drives LXR to trigger lethal autophagy in cancers. AB - Dendrogenin A (DDA) is a newly discovered cholesterol metabolite with tumor suppressor properties. Here, we explored its efficacy and mechanism of cell death in melanoma and acute myeloid leukemia (AML). We found that DDA induced lethal autophagy in vitro and in vivo, including primary AML patient samples, independently of melanoma Braf status or AML molecular and cytogenetic classifications. DDA is a partial agonist on liver-X-receptor (LXR) increasing Nur77, Nor1, and LC3 expression leading to autolysosome formation. Moreover, DDA inhibited the cholesterol biosynthesizing enzyme 3beta-hydroxysterol-Delta8,7 isomerase (D8D7I) leading to sterol accumulation and cooperating in autophagy induction. This mechanism of death was not observed with other LXR ligands or D8D7I inhibitors establishing DDA selectivity. The potent anti-tumor activity of DDA, its original mechanism of action and its low toxicity support its clinical evaluation. More generally, this study reveals that DDA can direct control a nuclear receptor to trigger lethal autophagy in cancers. PMID- 29199270 TI - Mechanism of early light signaling by the carboxy-terminal output module of Arabidopsis phytochrome B. AB - Plant phytochromes are thought to transduce light signals by mediating the degradation of phytochrome-interacting transcription factors (PIFs) through the N terminal photosensory module, while the C-terminal module, including a histidine kinase-related domain (HKRD), does not participate in signaling. Here we show that the C-terminal module of Arabidopsis phytochrome B (PHYB) is sufficient to mediate the degradation of PIF3 specifically and to activate photosynthetic genes in the dark. The HKRD is a dimerization domain for PHYB homo and heterodimerization. A D1040V mutation, which disrupts the dimerization of HKRD and the interaction between C-terminal module and PIF3, abrogates PHYB nuclear accumulation, photobody biogenesis, and PIF3 degradation. By contrast, disrupting the interaction between PIF3 and PHYB's N-terminal module has little effect on PIF3 degradation. Together, this study demonstrates that the dimeric form of the C-terminal module plays important signaling roles by targeting PHYB to subnuclear photobodies and interacting with PIF3 to trigger its degradation. PMID- 29199272 TI - Dissipatively coupled waveguide networks for coherent diffusive photonics. AB - A photonic circuit is generally described as a structure in which light propagates by unitary exchange and transfers reversibly between channels. In contrast, the term 'diffusive' is more akin to a chaotic propagation in scattering media, where light is driven out of coherence towards a thermal mixture. Based on the dynamics of open quantum systems, the combination of these two opposites can result in novel techniques for coherent light control. The crucial feature of these photonic structures is dissipative coupling between modes, via an interaction with a common reservoir. Here, we demonstrate experimentally that such systems can perform optical equalisation to smooth multimode light, or act as a distributor, guiding it into selected channels. Quantum thermodynamically, these systems can act as catalytic coherent reservoirs by performing perfect non-Landauer erasure. For lattice structures, localised stationary states can be supported in the continuum, similar to compacton-like states in conventional flat-band lattices. PMID- 29199273 TI - MiR-215-5p is a tumor suppressor in colorectal cancer targeting EGFR ligand epiregulin and its transcriptional inducer HOXB9. AB - Growing evidence suggests that microRNAs are involved in the development and progression of colorectal cancer (CRC). In the present study, deregulation and functioning of tumor-suppressive miR-215-5p was evaluated in CRC. In total, 448 tumor tissues and 325 paired adjacent healthy tissues collected from Czech and Spain cohorts of CRC patients have been used for miR-215-5p expression analyses. A series of in vitro experiments have been performed using transient transfection of miR-215-5p mimics into four CRC cell lines to identify specific cellular processes affected by miR-215-5p. Further, the effects of miR-215-5p on tumor growth were evaluated in vivo using NSG mice and stable cell line overexpressing miR-215-5p. Target mRNAs of miR-215-5p were tested using luciferase assay and western blot analyses. We found that miR-215-5p is significantly downregulated in tumor tissues compared with non-tumor adjacent tissues and its decreased levels correlate with the presence of lymph node metastases, tumor stage, and shorter overall survival in CRC patients. Overexpression of miR-215-5p significantly reduced proliferation, clonogenicity, and migration of CRC cells, lead to cell cycle arrest in G2/M phase and p53-dependent induction of apoptosis. The ability of miR-215-5p to inhibit tumor growth was confirmed in vivo. Finally, we confirmed epiregulin and HOXB9 to be the direct targets of miR-215-5p. As epiregulin is EGFR ligand and HOXB9 is its transcriptional inducer, we suggest that the main molecular link between miR-215-5p and CRC cells phenotypes presents the EGFR signaling pathway, which is one of the canonical pathogenic pathways in CRC. PMID- 29199275 TI - Lysosomal integral membrane protein-2 as a phospholipid receptor revealed by biophysical and cellular studies. AB - Lysosomal integral membrane protein-2 (LIMP-2/SCARB2) contributes to endosomal and lysosomal function. LIMP-2 deficiency is associated with neurological abnormalities and kidney failure and, as an acid glucocerebrosidase receptor, impacts Gaucher and Parkinson's diseases. Here we report a crystal structure of a LIMP-2 luminal domain dimer with bound cholesterol and phosphatidylcholine. Binding of these lipids alters LIMP-2 from functioning as a glucocerebrosidase binding monomer toward a dimeric state that preferentially binds anionic phosphatidylserine over neutral phosphatidylcholine. In cellular uptake experiments, LIMP-2 facilitates transport of phospholipids into murine fibroblasts, with a strong substrate preference for phosphatidylserine. Taken together, these biophysical and cellular studies define the structural basis and functional importance of a form of LIMP-2 for lipid trafficking. We propose a model whereby switching between monomeric and dimeric forms allows LIMP-2 to engage distinct binding partners, a mechanism that may be shared by SR-BI and CD36, scavenger receptor proteins highly homologous to LIMP-2. PMID- 29199279 TI - Chemokines: Moving on up. PMID- 29199278 TI - Pharmacology: Investigating nephrotoxicity with an integrated liver-kidney chip. PMID- 29199274 TI - Recent developments in genetics and medically assisted reproduction: from research to clinical applications. AB - Two leading European professional societies, the European Society of Human Genetics and the European Society for Human Reproduction and Embryology, have worked together since 2004 to evaluate the impact of fast research advances at the interface of assisted reproduction and genetics, including their application into clinical practice. In September 2016, the expert panel met for the third time. The topics discussed highlighted important issues covering the impacts of expanded carrier screening, direct-to-consumer genetic testing, voiding of the presumed anonymity of gamete donors by advanced genetic testing, advances in the research of genetic causes underlying male and female infertility, utilisation of massively parallel sequencing in preimplantation genetic testing and non-invasive prenatal screening, mitochondrial replacement in human oocytes, and additionally, issues related to cross-generational epigenetic inheritance following IVF and germline genome editing. The resulting paper represents a consensus of both professional societies involved. PMID- 29199280 TI - Vaccines in 2017: Closing in on a Zika virus vaccine. PMID- 29199277 TI - The renaissance of complement therapeutics. AB - The increasing number of clinical conditions that involve a pathological contribution from the complement system - many of which affect the kidneys - has spurred a regained interest in therapeutic options to modulate this host defence pathway. Molecular insight, technological advances, and the first decade of clinical experience with the complement-specific drug eculizumab, have contributed to a growing confidence in therapeutic complement inhibition. More than 20 candidate drugs that target various stages of the complement cascade are currently being evaluated in clinical trials, and additional agents are in preclinical development. Such diversity is clearly needed in view of the complex and distinct involvement of complement in a wide range of clinical conditions, including rare kidney disorders, transplant rejection and haemodialysis-induced inflammation. The existing drugs cannot be applied to all complement-driven diseases, and each indication has to be assessed individually. Alongside considerations concerning optimal points of intervention and economic factors, patient stratification will become essential to identify the best complement specific therapy for each individual patient. This Review provides an overview of the therapeutic concepts, targets and candidate drugs, summarizes insights from clinical trials, and reflects on existing challenges for the development of complement therapeutics for kidney diseases and beyond. PMID- 29199281 TI - Emerging viral diseases from a vaccinology perspective: preparing for the next pandemic. AB - Emerging infectious diseases will continue to threaten public health and are sustained by global commerce, travel and disruption of ecological systems. Most pandemic threats are caused by viruses from either zoonotic sources or vector borne sources. Developing better ways to anticipate and manage the ongoing microbial challenge will be critical for achieving the United Nations Sustainable Development Goals and, conversely, each such goal will affect the ability to control infectious diseases. Here we discuss how technology can be applied effectively to better prepare for and respond to new viral diseases with a focus on new paradigms for vaccine development. PMID- 29199276 TI - Immunologic and endocrine functions of adipose tissue: implications for kidney disease. AB - Excess adiposity can induce adverse sequelae in multiple cell types and organ systems. The transition from the lean to the obese state is characterized by fundamental cellular changes at the level of the adipocyte. These changes affect the local microenvironment within the respective adipose tissue but can also affect nonadipose systems. Adipocytes within fat pads respond to chronic nutrient excess through hyperplasia or hypertrophy, which can differentially affect interorgan crosstalk between various adipose depots and other organs. This crosstalk is dependent on the unique ability of the adipocyte to coordinate metabolic adjustments throughout the body and to integrate responses to maintain metabolic homeostasis. These actions occur through the release of free fatty acids and metabolites during times of energy need - a process that is altered in the obese state. In addition, adipocytes release a wide array of signalling molecules, such as sphingolipids, as well as inflammatory and hormonal factors (adipokines) that are critical for interorgan crosstalk. The interactions of adipose tissue with the kidney - referred to as the adipo-renal axis - are important for normal kidney function as well as the response of the kidney to injury. Here, we discuss the mechanistic basis of this interorgan crosstalk, which clearly has great therapeutic potential given the increasing rates of chronic kidney disease secondary to obesity and type 2 diabetes mellitus. PMID- 29199282 TI - Pathogen genomics: Genomics in the time of cholera. PMID- 29199284 TI - Stem cells: Regenerating the skin of a young patient. PMID- 29199285 TI - Gene expression: SPOTting single RNA molecules transcriptome-wide. PMID- 29199286 TI - Batteries for electric road vehicles. AB - The dependence of modern society on the energy stored in a fossil fuel is not sustainable. An immediate challenge is to eliminate the polluting gases emitted from the roads of the world by replacing road vehicles powered by the internal combustion engine with those powered by rechargeable batteries. These batteries must be safe and competitive in cost, performance, driving range between charges, and convenience. The competitive performance of an electric car has been demonstrated, but the cost of fabrication, management to ensure safety, and a short cycle life have prevented large-scale penetration of the all-electric road vehicle into the market. Low-cost, safe all-solid-state cells from which dendrite free alkali-metal anodes can be plated are now available; they have an operating temperature range from -20 degrees C to 80 degrees C and they permit the design of novel high-capacity, high-voltage cathodes providing fast charge/discharge rates. Scale-up to large multicell batteries is feasible. PMID- 29199283 TI - Am I ready for CRISPR? A user's guide to genetic screens. AB - Exciting new technologies are often self-limiting in their rollout, as access to state-of-the-art instrumentation or the need for years of hands-on experience, for better or worse, ensures slow adoption by the community. CRISPR technology, however, presents the opposite dilemma, where the simplicity of the system enabled the parallel development of many applications, improvements and derivatives, and new users are now presented with an almost paralyzing abundance of choices. This Review intends to guide users through the process of applying CRISPR technology to their biological problems of interest, especially in the context of discovering gene function at scale. PMID- 29199287 TI - Polysulfide intercalation in bilayer-structured graphitic C3N4: a first principles study. AB - Lithium-sulfur (Li-S) batteries have attracted increasing attention due to their high theoretical capacity, being a promising candidate for portable electronics, electric vehicles and large-scale energy storage. The interactions of bilayer structured graphitic C3N4 (bi-C3N4) with S8, lithium polysulfides (LiPSs), 1,3 dioxolane, 1,2-dimethoxyethane and tetrahydrofuran ether-based solvents have been studied using first-principles calculations. It has been found that the (micropore-scale) interlayer of bi-C3N4 shows intimate contact and strong binding with S8 and LiPSs due to the formation of chemical Li-N bonds. The incorporation of soluble LiPSs by the wrinkled layers of bi-C3N4 with 5.5-7.2 A interlayer pores can suppress the shuttling effect. The interlayer ultramicropores with interlayer distances of <4 A can accommodate the small Li2S2 and Li2S molecules, and impede the irreversible reaction between the solvents and the LiPSs. The calculated energy gap of bi-C3N4 decreases to be narrow during lithiation. Our results can provide a guideline for promoting the electrochemical performance of microporous g-C3N4/sulfur composites for Li-S batteries. PMID- 29199288 TI - Protonation of N2O and NO2 in a solid phase. AB - Adsorption of gaseous N2O on the acidic surface Bronsted centers of the strongest known solid acid, H(CHB11F11), results in formation of the N=N-OH+ cation. Its positive charge is localized mainly to the H-atom, which is H-bonded to the CHB11F11- anion forming an asymmetric proton disolvate of the L1-H+L2 type, where L1 = N2O and L2 = CHB11F11-. NO2 protonation under the same conditions leads to the formation of the highly reactive cation radical NO2H+, which reacts rapidly with an NO2 molecule according to the equation N2OH+ + NO2 -> [N2O4H+] -> N2OH+ + O2 resulting in the formation of two types of N2OH+ cations: (i) a typical Bronsted superacid, N[triple bond, length as m-dash]N-OH+, with a strongly acidic OH group involved in a rather strong H-bond with the anion, and (ii) a typical strong Lewis acid, N[triple bond, length as m-dash]N+-OH, with a positive charge localized to the central N atom and ionic interactions with the surrounding anions via the charged central N atom. PMID- 29199289 TI - Design of a catalyst through Fe doping of the boron cage B10H14 for CO2 hydrogenation and investigation of the catalytic character of iron hydride (Fe H). AB - The innovative catalyst Fe@B10H14 is designed through Fe doping of the boron cage B10H14 and is employed to catalyze CO2 hydrogenation using a quantum mechanical method. First, the structure of the Fe@B10H14 complex is characterized through calculated 11B NMR chemical shifts and Raman spectra, and the interactions between Fe and the four H atoms of the opening in the cage are analyzed, which show that various iron hydride (Fe-H) characteristics exist. Subsequently, the potential of Fe@B10H14 as a catalyst for the hydrogenative reduction of CO2 in the gas phase is computationally evaluated. We find that an equivalent of Fe@B10H14 can consecutively reduce double CO2 to obtain the double product HCOOH through a two-step reduction, and Fe@B10H12 and Fe@B10H10 are successively obtained. The Fe presents single-atom character in the reduction of CO2, which is different from the common iron(ii) catalyzed CO2 reduction. The calculated total free energy barrier of the first CO2 reduction is only 8.79 kcal mol-1, and that of the second CO2 reduction is 25.71 kcal mol-1. Every reduction reaction undergoes two key transition states TSC-H and TSO-H. Moreover, the transition state of the C-H bond formation TSC-H is the rate-determining step, where the interaction between piC[double bond, length as m-dash]O* and the weak sigmaFe-H bond plays an important role. Furthermore, the hydrogenations of Fe@B10H12 and Fe@B10H10 are investigated, which aim at determining the ability of Fe-H circulation in the Fe doped decaborane complex. We find that the hydrogenation of Fe@B10H10 undergoes a one-step H2-adsorbed transition state TSH-adsorb with an energy barrier of 6.42 kcal mol-1 from Fe@B10H12. Comparing with the hydrogenation of Fe@B10H10, it is slightly more difficult for the hydrogenation of Fe@B10H12, where the rate-determining step is the H2-cleaved transition state TS2H-H with an energy barrier of 17.38 kcal mol-1. PMID- 29199291 TI - Geo-material surface modification of microchips using layer-by-layer (LbL) assembly for subsurface energy and environmental applications. AB - A key constraint in the application of microfluidic technology to subsurface flow and transport processes is the surface discrepancy between microchips and the actual rocks/soils. This research employs a novel layer-by-layer (LbL) assembly technology to produce rock-forming mineral coatings on microchip surfaces. The outcome of the work is a series of 'surface-mimetic micro-reservoirs (SMMR)' that represent multi-scales and multi-types of natural rocks/soils. For demonstration, the clay pores of sandstones and mudrocks are reconstructed by representatively coating montmorillonite and kaolinite in polydimethylsiloxane (PDMS) microchips in a wide range of channel sizes (width of 10-250 MUm, depth of 40-100 MUm) and on glass substrates. The morphological and structural properties of mineral coatings are characterized using a scanning electron microscope (SEM), optical microscope and profilometer. The coating stability is tested by dynamic flooding experiments. The surface wettability is characterized by measuring mineral oil water contact angles. The results demonstrate the formation of nano- to micro scale, fully-covered and stable mineral surfaces with varying wetting properties. There is an opportunity to use this work in the development of microfluidic technology-based applications for subsurface energy and environmental research. PMID- 29199292 TI - Laboratory study of mass transfer from diluted bitumen trapped in gravel. AB - Diluted bitumen (dilbit) spilled to rivers has the potential to sink and become trapped in coarse bed sediments. Hyporheic flow through the river bed can then lead to the dissolution of hydrocarbons from this trapped oil, and subsequent risks to water quality and aquatic life. It is important to understand the concentrations of dissolved hydrocarbons in water, relative to aqueous solubility, that may result from mass transfer under these conditions, particularly under conditions where coarse sediments lead to faster hyporheic flow that could promote rate-limited mass transfer conditions. In this study, the dissolution of dilbit (Cold Lake Blend) trapped in gravel was measured using one dimensional columns at flow rates representative of fast hyporheic flow. Dissolved concentrations in the column effluent were found to be less than 20% of effective solubility (equilibrium) concentrations and decreased with increasing flow rate, indicative of rate-limited conditions. These results show that risks posed by the contamination of gravel-bedded rivers by trapped dilbit may be lower, but persist for a longer period of time, than those estimated assuming dissolution at concentrations near solubility limits. PMID- 29199294 TI - An ambiphilic phosphine/H-bond donor ligand and its application to the gold mediated cyclization of propargylamides. AB - We describe the synthesis of an ambiphilic phosphine/H-bond donor ligand featuring a trifluoroacetamide functionality, its coordination to gold(i) chloride, and its application as a self-activating catalyst for the cyclization of propargylamides. PMID- 29199295 TI - Computational investigations of electronic structure modifications of ferrocene terminated self-assembled monolayers: effects of electron donating/withdrawing functional groups attached on the ferrocene moiety. AB - The electrochemical properties of chemically modified electrodes have long been a significant focus of research. Although the electronic states are directly related to the electrochemical properties, there have been only limited systematic efforts to reveal the electronic structures of adsorbed redox molecules with respect to the local environment of the redox center. In this study, density functional theory (DFT) calculations were performed for ferrocene terminated self-assembled monolayers with different electron-donating abilities, which can be regarded as the simplest class of chemically modified electrodes. We revealed that the local electrostatic potentials, which are changed by the electron donating/withdrawing functional groups at the ferrocene moiety and the dipole field of coadsorbed inert molecules, practically determine the density of states derived from the highest occupied molecular orbital (HOMO) and its vicinities (HOMO-1 and HOMO-2) with respect to the electrode Fermi level. Therefore, to design new, sophisticated electrodes with chemical modification, one should consider not only the electronic properties of the constituent molecules, but also the local electrostatic potentials formed by these molecules and coadsorbed inert molecules. PMID- 29199296 TI - Computational study on the luminescence quantum yields of terbium complexes with 2,2'-bipyridine derivative ligands. AB - Terbium complexes are widely used as luminescent materials because of their bright green emission and sharp emission spectra and the independence of their emission wavelengths from the surrounding environment. The luminescence quantum yield (LQY), however, heavily depends on the surroundings, and an appropriate ligand design is indispensable. In this study, we focus on a Tb3+ complex coordinated by a 2,2'-bipyridine derivative ligand (L1), whose LQY is almost zero at room temperature [M. Hasegawa et al., New. J. Chem. 2014, 38, 1225] and compare it with a Tb3+ complex with a bipyridine ligand, which is widely used as a photo-antenna ligand. To discuss the LQYs of the complexes, we computed their energy profiles, i.e. the energetic and structural changes during the emission and quenching processes. The low LQY of the TbL1(NO3)2 complex was explained by the stability of the minimum energy crossing point between the potential energy surfaces of the ligand-centered lowest triplet state and the ground state, which was induced by the out-of-plane bending of the azomethine moiety. The most efficient way to improve the LQY by modification of the ligand is to replace the azomethine moieties by other functional groups, such as ether or reduced azomethine groups, whose minimum energy crossing points are unstable enough to reduce the rate of the quenching processes. PMID- 29199297 TI - Pillar[4]pyridinium: a square-shaped molecular box. AB - Numerous applications of Stoddart's 'blue-box', a pyridinium containing macrocycle of rectangular shape, encouraged us to seek successors of this amazing molecule. Using a one-step cyclization reaction we synthesized a square-shaped cyclic tetramer consisting of 4-methylenepyridinium units - pillar[4]pyridinium (P[4]P). Pillar[4]pyridinium is a quadruply positively charged water-soluble macrocycle with a highly symmetric, strained structure and an electron-deficient cavity. These features impel the macrocycle to assemble into channel networks in the solid state and render it an effective fluoride receptor in water. PMID- 29199298 TI - Radical halogenation-mediated latent-active glycosylations of allyl glycosides. AB - Radical halogenation-mediated glycosylation using allyl glycosides as donors and as acceptors emerges to be an efficient and hither-to unknown glycosylation method, adhering to the concept of the latent-active methodology. Several di- and trisaccharides that possess the allyl moiety at their reducing end are prepared through this new glycosylation methodology. PMID- 29199299 TI - Correction: Formic acid catalyzed isomerization of protonated cytosine: a lower barrier reaction for tautomer production of potential biological importance. AB - Correction for 'Formic acid catalyzed isomerization of protonated cytosine: a lower barrier reaction for tautomer production of potential biological importance' by Lingxia Jin et al., Phys. Chem. Chem. Phys., 2017, 19, 13515 13523. PMID- 29199300 TI - Characterizing protein-protein-interaction in high-concentration monoclonal antibody systems with the quartz crystal microbalance. AB - Making use of a quartz crystal microbalance (QCM), concentrated solutions of therapeutic antibodies were studied with respect to their behavior under shear excitation with frequencies in the MHz range. At high protein concentration and neutral pH, viscoelastic behavior was found in the sense that the storage modulus, G', was nonzero. Fits of the frequency dependence of G'(omega) and G''(omega) (G'' being the loss modulus) using the Maxwell-model produced good agreement with the experimental data. The fit parameters were the relaxation time, tau, and the shear modulus at the inverse relaxation time, G* (at the "cross-over frequency" omegaC = 1/tau). The influence of two different pharmaceutical excipients (histidine and citrate) was studied at variable concentrations of the antibody and variable pH. In cases, where viscoelasticity was observed, G* was in the range of a few kPa, consistent with entropy-driven interactions. tau was small at low pH, where the antibody carries a positive charge. tau increased with increasing pH. The relaxation time tau was found to be correlated with other parameters quantifying protein-protein interactions, namely the steady shear viscosity (eta), the second osmotic virial coefficient as determined with both self-interaction chromatography (B22,SIC) and static light scattering (B22,SLS), and the diffusion interaction parameter as determined with dynamic light scattering (kD). While B22 and kD describe protein-protein interactions in diluted samples, the QCM can be applied to concentrated solutions, thereby being sensitive to higher-order protein-protein interactions. PMID- 29199301 TI - The cohesive energy of superheavy element copernicium determined from accurate relativistic coupled-cluster theory. AB - The cohesive energy of bulk copernicium is accurately determined using the incremental method within a relativistic coupled-cluster approach. For the lowest energy structure of hexagonal close-packed (hcp) symmetry, we obtain a cohesive energy of -36.3 kJ mol-1 (inclusion of uncertainties leads to a lower bound of 39.6 kJ mol-1), in excellent agreement with the experimentally estimated sublimation enthalpy of -38 kJ mol-1 [R. Eichler et al., Angew. Chem. Int. Ed., 2008, 47, 3262]. At the coupled-cluster singles, doubles and perturbative triples level of theory, we find that the hcp structure is energetically quasi-degenerate with both face-centred and body-centred cubic structures. These results provide a basis for testing various density-functionals, of which the PBEsol functional yields a cohesive energy of -34.1 kJ mol-1 in good agreement with our coupled cluster value. PMID- 29199302 TI - High temperature thermal management with boron nitride nanosheets. AB - The rapid development of high power density devices requires more efficient heat dissipation. Recently, two-dimensional layered materials have attracted significant interest due to their superior thermal conductivity, ease of production and chemical stability. Among them, hexagonal boron nitride (h-BN) is electrically insulating, making it a promising thermal management material for next-generation electronics. In this work, we demonstrated that an h-BN thin film composed of layer-by-layer laminated h-BN nanosheets can effectively enhance the lateral heat dissipation on the substrate. We found that by using the BN-coated glass instead of bare glass as the substrate, the highest operating temperature of a reduced graphene oxide (RGO) based device could increase from 700 degrees C to 1000 degrees C, and at the same input power, the operating temperature of the RGO device is effectively decreased. The remarkable performance improvement using the BN coating originates from its anisotropic thermal conductivity: a high in plane thermal conductivity of 14 W m-1 K-1 for spreading and a low cross-plane thermal conductivity of 0.4 W m-1 K-1 to avoid a hot spot right underneath the device. Our results provide an effective approach to improve the heat dissipation in integrated circuits and high power devices. PMID- 29199304 TI - On the underlying mechanisms of the low observed nitrate selectivity in photocatalytic NOx abatement and the importance of the oxygen reduction reaction. AB - Semiconductor photocatalysis could be an effective means to combat air pollution, especially nitrogen oxides, which can be mineralized to nitrate. However, the reaction typically shows poor selectivity, releasing a number of unwanted and possibly toxic intermediates such as nitrogen dioxide. Up to now, the underlying principles that lead to this poor selectivity were not understood so a knowledge based catalyst design for more selective materials was impossible. Herein, we present strong evidence for the slow oxygen reduction being one the causes, as the competing back-reduction of nitrate leads to the release of nitrogen dioxide. Consequently, engineering the photocatalyst for a better oxygen reduction efficiency should also increase the nitrate selectivity. PMID- 29199305 TI - A new scaling for the rotational diffusion of molecular probes in polymer solutions. AB - In the present work, we propose a new scaling form for the rotational diffusion coefficient of molecular probes in semi-dilute polymer solutions, based on a theoretical study. The mean-field theory for depletion effect and semi-empirical scaling equation for the macroscopic viscosity of polymer solutions are properly incorporated to specify the space-dependent concentration and viscosity profiles in the vicinity of the probe surface. Following the scheme of classical fluid mechanics, we numerically evaluate the shear torque exerted on the probes, which then allows us to further calculate the rotational diffusion coefficient Dr. Particular attention is given to the scaling behavior of the retardation factor Rrot = D/Dr with D being the diffusion coefficient in pure solvent. We find that Rrot has little relevance to the macroscopic viscosity of the polymer solution, while it can be well featured by the characteristic length scale rh/delta, i.e. the ratio between the hydrodynamic radius of the probe rh and the depletion thickness delta. Correspondingly, we obtain a novel scaling form for the rotational retardation factor, following Rrot = exp[a(rh/delta)b] with rather robust parameters of a ? 0.51 and b ? 0.56. We apply the theory to an extensive calculation for various probes in specific polymer solutions of poly(ethylene glycol) (PEG) and dextran. Our theoretical results show good agreements with the experimental data, and clearly demonstrate the validity of the new scaling form. In addition, the difference of the scaling behavior between translational and rotational diffusions is clarified, from which we conclude that the depletion effect plays a more significant role on the local rotational diffusion rather than the long-range translation diffusion. PMID- 29199306 TI - Hybrid pectin-Fe3+/polyacrylamide double network hydrogels with excellent strength, high stiffness, superior toughness and notch-insensitivity. AB - The lack of sufficient mechanical properties restricts the application of polysaccharide-based hydrogels in the field of biomedicine, especially load bearing tissue repair. Nowadays, double network (DN) hydrogels have aroused great interest through special cooperation between two contrasting networks. Inspired by this idea, here, we devised a new strategy to prepare a pectin Fe3+/polyacrylamide hybrid DN hydrogel using a simple two-step method. The introduction of Fe3+ ions into a pectin network to produce strong reversible ionic complexation, results in excellent toughness. Under optimal conditions, our hybrid DN hydrogels possessed tensile strength as high as 0.9 MPa, corresponding to a high strain of 1300%. Besides, our hybrid DN hydrogels also exhibited superb stiffness (elastic modulus ~ 1.46 MPa), toughness (fracture energy ~ 3785 J m-2), and water absorption capacity (85%). Loading-unloading tests showed that the internal fracture process of the hydrogels was continuous. Owing to the reversible structure of Fe3+-pectin complexation, the hybrid DN hydrogels also showed good fatigue resistance, notch-insensitivity and recoverability. This type of polysaccharide-based hydrogel has potential to broaden the application in the load-bearing tissue repair field. PMID- 29199308 TI - Frustrated packing in a granular system under geometrical confinement. AB - Optimal packings of uniform spheres are solved problems in two and three dimensions. The main difference between them is that the two-dimensional ground state can be easily achieved by simple dynamical processes while in three dimensions, this is impossible due to the difference in the local and global optimal packings. In this paper we show experimentally and numerically that in 2 + epsilon dimensions, realized by a container which is in one dimension slightly wider than the spheres, the particles organize themselves in a triangular lattice, while touching either the front or rear side of the container. If these positions are denoted by up and down the packing problem can be mapped to a 1/2 spin system. At first it looks frustrated with spin-glass like configurations, but the system has a well defined ground state built up from isosceles triangles. When the system is agitated, it evolves very slowly towards the potential energy minimum through metastable states. We show that the dynamics is local and is driven by the optimization of the volumes of 7-particle configurations and by the vertical interaction between touching spheres. PMID- 29199309 TI - Translational and rotational dynamics in dense suspensions of smooth and rough colloids. AB - We demonstrate that colloidal particles with surface roughness exhibit hindered rotational diffusion in quiescent dense suspensions. This is accomplished by the use of confocal microscopy and particle tracking to follow the translational and rotational dynamics of smooth and rough colloids suspended in a refractive index and density matched organic solvent. Measurement of the three-dimensional rotational diffusion is enabled by the addition of inert Janus tracers made of native colloids coated with a thin layer of aluminum. These experiments show that the mean square displacement (MSD) is unaffected by particle roughness, while the mean square angular displacement (MSAD) decreases for rough colloids at high volume fractions. Our results quantify the slowdown in the rotational dynamics of rough colloids, which is evidently due to steric frustration caused by the surface topography of the particles. PMID- 29199310 TI - Rapid, enantioselective synthesis of the C1-C13 fragment of biselyngbyolide B. AB - A rapid synthesis of the C1-C13 fragment of biselynbyolide A and B is reported. The judicious use of catalytic transformations for C-C bond formation and stereocenter generation greatly minimizes the use of protecting groups and oxidation state changes, as compared to previously reported routes to similar fragments. PMID- 29199311 TI - Centrifugation-induced fibrous orientation in fish-sourced collagen matrices. AB - Orientation of fibrous collagen structures plays an important role not only in the native function of various biological tissues but also in the development of next-generation tissue engineering scaffolds. However, the controlled assembly of collagen in vitro into an anisotropic structure, avoiding complex technical procedures and specialized apparatus, remains a challenge. Here, an oriented collagen matrix was fabricated at the macroscale by simple centrifugation, and the aligned topographical features of the resulting collagen matrix were revealed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and small angle X-ray scattering. The aligned matrix exhibited a higher ultimate tensile strength and strain than a random matrix. Centrifugation had an impact on the diameter and density of the collagen fibrils, while it had no effect on their native D-periodicity and thermal stability. Additionally, structural anisotropy of the collagen matrix facilitated the proliferation and migration of NIH/3T3 fibroblasts, compared with the random one. This simple and cost-effective method could lead to mass production of aligned collagen matrices and future possibilities for different applications in tissue engineering. PMID- 29199312 TI - Stereoselective synthesis of sulfonated 1-indenones via radical-triggered multi component cyclization of beta-alkynyl propenones. AB - New radical-triggered multi-component cyclizations of beta-alkynyl propenones have been developed, leading to 50 examples of sulfonated 1-indenones with generally good yields and high levels of stereoselectivity. The oxidant-free azosulfonylation of beta-alkynyl propenones with aryldiazonium salts and DABSO was realized under the neutral-redox conditions where TBHP enabled the direct selenosulfonylation of beta-alkynyl propenones by combining sulfinic acids and diphenyl diselenide. This protocol features a broad substrate scope, high functional group tolerance and mild reaction conditions. PMID- 29199313 TI - The sigma-hole revisited. AB - A covalently-bonded atom typically has a region of lower electronic density, a "sigma-hole," on the side of the atom opposite to the bond, along its extension. There is frequently a positive electrostatic potential associated with this region, through which the atom can interact attractively but noncovalently with negative sites. This positive potential reflects not only the lower electronic density of the sigma-hole but also contributions from other portions of the molecule. These can significantly influence both the value and also the angular position of the positive potential, causing it to deviate from the extension of the covalent bond. We have surveyed these effects, and their consequences for the directionalities of subsequent noncovalent intermolecular interactions, for atoms of Groups IV-VII. The overall trends are that larger deviations of the positive potential result in less linear intermolecular interactions, while smaller deviations lead to more linear interactions. We find that the deviations of the positive potentials and the nonlinearities of the noncovalent interactions tend to be greatest for atoms of Groups V and VI. We also present arguments supporting the use of the 0.001 a.u. contour of the electronic density as the molecular surface on which to compute the electrostatic potential. PMID- 29199314 TI - Raman antenna effect from exciton-phonon coupling in organic semiconducting nanobelts. AB - The highly anisotropic interactions in organic semiconductors together with the soft character of organic materials lead to strong coupling between nuclear vibrations and exciton dynamics, which potentially results in anomalous electrical, optical and optoelectrical properties. Here, we report on the Raman antenna effect from organic semiconducting nanobelts 6,13-dichloropentacene (DCP), resulting from the coupling of molecular excitons and intramolecular phonons. The highly ordered crystalline structure in DCP nanobelts enables the precise polarization-resolved spectroscopic measurement. The angle-dependent Raman spectroscopy under resonant excitation shows that all Raman modes from the skeletal vibrations of DCP molecule act like a nearly perfect dipole antenna IRaman ? cos4(theta - 90), with almost zero (maximum) Raman scattering parallel (perpendicular) to the nanobelt's long-axis. The Raman antenna effect in DCP nanobelt is originated from the coupling between molecular skeletal vibrations and intramolecular exciton and the confinement of intermolecular excitons. It dramatically enhances the Raman polarization ratio (rho = I||/I? > 25) and amplifies the anisotropy of the angle-dependent Raman scattering (kappaRaman = Imax/Imin > 12) of DCP nanobelts. These findings have crucial implications for fundamental understanding on the exciton-phonon coupling and its effects on the optical properties of organic semiconductors. PMID- 29199315 TI - Negishi cross-couplings in the synthesis of amino acids. AB - The Negishi cross-coupling is a powerful C-C bond-forming reaction widely utilised in many areas of organic synthesis. This review details the use of Negishi cross-couplings in the synthesis of unnatural amino acids. The application of this reaction in the preparation of aromatic, heteroaromatic, and, complex amino acid derivatives are reviewed and presented herein. PMID- 29199316 TI - Alzheimer's Association: Initiatives and Public Health Perspective. PMID- 29199317 TI - At a Crossroads: A Perspective on Drug Development for Alzheimer's Disease in 2016. PMID- 29199318 TI - Global Alzheimer's Platform Trial Ready Cohorts for the Prevention of Alzheimer's Dementia. PMID- 29199319 TI - Effects of the Vaccine Vanutide Cridificar with QS-21 Adjuvant on Immunogenicity. PMID- 29199320 TI - The Paradox of Research on Dementia-Alzheimer's Disease. PMID- 29199321 TI - A Randomized, Double-Blind, Phase 2 Study of the Effects of the Vaccine Vanutide Cridificar with QS-21 Adjuvant on Immunogenicity, Safety and Amyloid Imaging in Patients with Mild to Moderate Alzheimer's Disease. AB - BACKGROUND: Vanutide Cridificar (ACC-001), a novel investigational immunotherapeutic vaccine designed to elicit antibodies against the N-terminal peptide 1-7 of the amyloid-beta peptide, believed to be important in the pathogenesis of Alzheimer's disease (AD). OBJECTIVES: To evaluate the immunogenicity, safety and impact of ACC-001 with Quillaja saponaria (QS-21) adjuvant on the reduction of brain fibrillar amyloid burden, assayed by positron emission tomography (PET) imaging, in patients with mild to moderate AD. DESIGN: Randomized, phase 2, interventional study. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT01284387. PARTICIPANTS: Individuals with mild to moderate Alzheimer's disease (Mini-Mental State Examination scores 18-26; measurable amyloid burden in the expected range, on the screening 18F-florbetapir PET scan; and a Rosen modified Hachinski ischemic score <=4). INTERVENTION: Participants were randomized to 3 MUg or 10 MUg ACC-001 (each in combination with 50 MUg QS 21) or placebo (without QS-21). MEASUREMENTS: Primary endpoint was the change from baseline to week 104 in cerebral amyloid burden as measured by the global cortical average (GCA) standard value uptake ratio (SUVR) based on the brain 18F florbetapir PET composite cortical SUVR between each ACC-001+QS-21 dose compared with placebo. Secondary endpoints included safety, immunogenicity and pharmacodynamics. Exploratory endpoints included cognitive and functional efficacy, and health outcome measures. RESULTS: Of 126 randomized patients (placebo: 40; ACC-001 3 ug+QS-21: 43; and ACC-001 10 ug+QS-21: 43), 125 received study treatment; 92 (73%) completed the study. Change in 18F-florbetapir PET GCA SUVR, was not significantly different between either of the two ACC-001+QS-21 treatment groups and placebo (3 MUg +QS-21 vs. placebo diff=-0.03, p=0.54; 10 MUg +QS-21 vs. placebo diff=-0.08, p=0.07), but the trend was numerically consistent with a dose response. The geometric mean peak anti-Abeta IgG titers were slightly higher in the 10 MUg than the 3 MUg group. The proportion of responders was similar in both dose groups of ACC-001+QS-21. The cerebrospinal fluid (CSF) p-tau changes from baseline in both active treatment groups were not statistically different from placebo, but were numerically consistent with a dose response (3 MUg +QS-21 vs. placebo diff=-3.2, p=0.57; 10 MUg +QS-21 vs. placebo diff=-7.0, p=0.19). The vMRI showed statistically significant faster treatment-related decrease in brain volume in the 10 MUg group but was not significant in the 3 MUg group, compared with placebo (3 MUg diff =-1.3 mL/year, p=0.50; 10 MUg diff=-4.2 mL/year, p=0.02). Measured plasma Abeta levels increased in parallel with peak anti-Abeta titers after each injection. Amyloid-related imaging abnormalities with edema/effusion (ARIA-E) were more frequent in patients who received ACC 001+QS-21 than placebo (6% vs. 0%) but none were symptomatic. The most common treatment-emergent adverse events in the active groups were injection reactions, and occurred more frequently in the ACC-001+QS-21 groups than the placebo (48% vs 8%), the majority of which were mild and transient. CONCLUSIONS: Primary biomarker efficacy endpoints were not statistically significant in either dose group. The numerical decreases in 18F-florbetapir PET GCA SUVR suggests a dose related trend for greater reductions in fibrillar amyloid burden in the ACC 001+QS-21 10 ug group compared with placebo. Likewise, while not significant, there was a numerical trend of decreased CSF p-tau levels with ACC-001, possibly consistent with a downstream effect in the ACC-001+QS-21 group. Insufficient antibody titers or quality, insufficient power to detect a difference, or too short duration of follow up may be reasons why a statistically significant response was not observed. Brain volume measures showed faster volume loss in the 10 ug treatment group, similar to the effect seen in few earlier AD immunotherapy trials which may suggest removal of amyloid and resultant decrease in inflammation. No new, unexpected safety signals were detected. PMID- 29199322 TI - Reversible and Species-Specific Depigmentation Effects of AZD3293, a BACE Inhibitor for the Treatment of Alzheimer's Disease, Are Related to BACE2 Inhibition and Confined to Epidermis and Hair. AB - BACKGROUND: AZD3293 (also known as LY3314814) is a novel, potent, non-selective BACE1/BACE2 inhibitor currently in Phase 3 clinical development for the treatment of Alzheimer's disease. OBJECTIVES: The purpose of these studies was to characterize the effects, putative mechanism, and reversibility of hypopigmentation following treatment with AZD3293 in pigmented Long-Evans rats, Beagle dogs, human cell cultures, and humans. DESIGN: Nonclinical studies were conducted in Long-Evans pigmented rats, and both young and older Beagle dogs using a variety of oral dose levels of AZD3293 or AZD3839 (BACE inhibition reference compound; used in older dogs only) for dosing durations of 13 to 26 weeks. In vitro studies of normal human epidermal melanocytes and reconstituted human epidermis were also conducted. Skin biopsy data from a multiple-dose Phase 1 clinical study of AZD3293 (NCT01795339) are also reported. SETTING: Nonclinical in vivo and in vitro studies were conducted in laboratory settings in the US, Canada, and France; the multiple dose clinical study was conducted in a specialized inpatient setting in the US. PARTICIPANTS: Beagle dogs: 13-week study N=36 young (8-10 mo) animals; 39-week study N=64 young animals; and a second 13 week study N=32 older (30-32 mo) animals. Long-Evans rats: N=68 animals. Multiple dose clinical study: only data for subjects enrolled in Part 2 of this study are included in this report (N=16). INTERVENTIONS: AZD3293 was the primary intervention used in these studies. AZD3839, a relatively BACE1-selective reference inhibitor compound was used in one group in the 13 week study in older Beagle dogs and one in vitro assessment. Finally, AZ1340, another relatively BACE1-selective reference inhibitor compound was used only in one in vitro assessment. MEASUREMENTS: Measurements for the nonclinical studies in dogs and rats included macroscopic observation and assessment of skin biopsies via histopathology, immunochemistry, and electron microscopy. Measurements for the in vitro studies included melanocyte premelanosome protein (PMEL) processing, cytotoxicity, melanin synthesis, Pmel17 labeling, and melanocyte dendricity. Measurements in the clinical study included scoring of melanin content in skin biopsies taken before and after dosing with AZD3293 over 14 days at dose levels up to 150 mg. RESULTS: Depigmentation in rats and dogs was limited to skin, hair, and mucosa with no effects on other pigmented tissues. At a cellular level depigmentation was observed within a week of treatment, whereas the appearance of depigmentation in skin and hair did not become apparent until, at earliest, 4 weeks of treatment. The depigmentation effects were reversible, not associated with degenerative or inflammatory changes, and were dose- and species-dependent in severity. Full recovery of melanization was observed at the microscopic (cellular) level and at least partial recovery was seen in the macroscopic appearance of animals by the end of the 12-week recovery period in both rats and dogs. Interestingly, no changes in melanin production or melanocyte morphology were seen in human primary melanocytes or reconstituted human epidermis in vitro. Finally, there were no changes in melanization level in skin biopsies following 12 days of daily AZD3293 treatment at doses of AZD3293 up to 150 mg/day in human subjects. CONCLUSIONS: AZD3293, a novel, potent, non-selective BACE1/BACE2 inhibitor is in development as a potentially disease-modifying treatment for Alzheimer's disease. Chronic nonclinical studies in Beagle dogs and pigmented rats showed macroscopic and microscopic hypopigmentation effects of AZD3293 that were limited to skin, hair, and mucosa. These effects were shown to be reversible in both species. Analysis of data from nonclinical and in vitro studies suggests that hypopigmentation is caused by BACE2 inhibition resulting in accumulation of a premelanosome protein fragment, which interrupts the normal production of melanin. No macroscopic or microscopic reports of hypopigmentation were observed in a Phase 1 clinical study following 13 doses of AZD3293 over 14 days at dose levels up to 150 mg/day. These data suggest that hypopigmentation is species specific and humans appear to be least sensitive to the depigmentation effect caused by BACE2 inhibition. PMID- 29199323 TI - Clinical Benefits of Tramiprosate in Alzheimer's Disease Are Associated with Higher Number of APOE4 Alleles: The "APOE4 Gene-Dose Effect". AB - BACKGROUND: Tramiprosate is an oral amyloid anti-aggregation agent that reduces amyloid oligomer toxicity in preclinical studies and was evaluated in two 78-week trials in North America and Western Europe that enrolled 2,025 patients with Mild to Moderate Alzheimer's Disease. The completed North American study did not achieve its efficacy objectives, but a pre-specified subgroup analysis suggested potential efficacy in apolipoprotein E4 (APOE4) carriers. To further explore this observation, we analyzed tramiprosate Phase 3 clinical data based on the number of APOE4 alleles. OBJECTIVES: To analyze tramiprosate efficacy, safety, and occurrence of vasogenic edema in the three APOE4 subgroups: homozygous, heterozygous and non-carriers. DESIGN: Randomized, double-blind, placebo controlled parallel-arm multi-center studies. SETTING: Academic Alzheimer's disease and dementia centers, community-based dementia and memory clinics, and neuropsychiatric clinical research sites. PARTICIPANTS: Subjects included 2,025 patients, 50 years of age or older, with approximately 60% having APOE4 carrier status (10-15% homozygotes and 45-50% heterozygotes), and mild to moderate disease. All subjects were on stable symptomatic drugs. INTERVENTION: Randomized subjects received placebo, 100 mg BID, or 150 mg BID of tramiprosate. MEASUREMENTS: Co-primary outcomes in both studies were change from baseline in the ADAS-cog11 and CDR-SB assessment scales. RESULTS: Highest efficacy was observed in APOE4/4 homozygotes receiving 150 mg BID of tramiprosate, showing statistically significant effects on ADAS-cog and positive trends on CDR-SB (respectively, 40-66% and 25-45% benefit compared to placebo). APOE4 heterozygotes showed intermediate efficacy, and non-carriers showed no benefit. In 426 patients with MRI scans, no cases of treatment-emergent vasogenic edema were observed. In the three subgroups, the most common adverse events were nausea, vomiting, and decreased weight. CONCLUSIONS: The "APOE4 Gene-Dose effect" is likely explained by the high prevalence of amyloid pathology in symptomatic APOE4 carriers. In APOE4/4 Alzheimer's disease patients, the high dose of tramiprosate showed favorable safety and clinically meaningful efficacy in addition to standard of care. PMID- 29199324 TI - Rationale and Structure for a New Center for Studies on Prevention of Alzheimer's Disease (StoP-AD). AB - We describe events spanning over 20 years that have shaped our approach to identification of interventions that may delay symptoms in Alzheimer's disease (AD). These events motivated the development of a new Centre for Studies on Prevention of AD that includes an observational cohort of cognitively normal high risk persons and INTREPAD, a nested two-year randomized placebo-controlled trial of the non-steroidal anti-inflammatory drug naproxen sodium. INTREPAD enrolled 217 persons and will follow 160 in a modified intent-to-treat analysis of persons who remained on-protocol through at least one follow-up evaluation. The trial employs dual endpoints: 1) a composite global cognitive score generated by a battery of 12 psychometric tests organized into five subscales; and 2) a summary Alzheimer's Progression Score derived from latent variable modeling of multiple biomarker data from several modalities. The dual endpoints will be analyzed by consideration of their joint probability under the null hypothesis of no treatment effect, after allowing appropriately for their lack of independence. We suggest that such an approach can be used economically to generate preliminary data regarding the efficacy of potential prevention strategies, thereby increasing the chances of finding one or more interventions that successfully prevent symptoms. PMID- 29199326 TI - [Effect of GLUD1 on proliferation, osteogenic differentiation and mineralization of human dental pulp stem cells]. AB - PURPOSE: To investigate the effect of glutamate dehydrogenase 1 (GLUD1) on proliferation, osteogenic differentiation and mineralization of human dental pulp stem cells (hDPSCs). METHODS: hDPSCs were isolated by tissue-explant method in vitro, and shGLUD1 lentivirus was transfected to knock down the expression of GLUD1. RT-PCR and Western blot were performed to detect the expression of GLUD1. CCK8 assay was used to evaluate cell proliferation. After culture with osteogenic inducing medium for 14 days, alizarin red staining was used to detect the formation of mineralization nodules, and RT-PCR and immunofluorescence staining were performed to detect the expression of Runx2 and OCN, respectively. The data were analyzed with SPSS 20.0 software package. RESULTS: The expression of GLUD1 was significantly increased in hDPSCs after osteogenic induction compared with the control. After transfection with shGLUD1 lentivirus, GLUD1 expression was significantly decreased (P<0.05). Compared with the control group, mineralization nodule formation was significantly decreased in shGLUD1 group after osteogenic induction. The expression of OCN (late-staged markers for osteogenic differentiation) were significantly decreased both in mRNA and protein levels, while the expression of Runx2 (early-staged markers for osteoblast differentiation) was up-regulated. CONCLUSIONS: shGLUD1 inhibits the proliferation, mineralization and the late stage of osteogenic differentiation of hDPSCs in vitro. GLUD1 may play an important role in osteogenic differentiation of hDPSCs. PMID- 29199325 TI - [Effect of overexpression of transcription factor Runx2 and Osterix on osteogenic differentiation of endothelial cells]. AB - PURPOSE: To explore the effect of overexpression of Runx2 and Osterix (OSX) genes on osteogenic differentiation of human umbilical vein endothelial cells (HUVECs). METHODS: Overexpressed Runx2 and OSX lentiviral vectors were transfected into HUVECs respectively. The osteogenic potential of transfected cells was identified by alkaline phosphatase (ALP) staining and ALP activity. Furthermore, real time PCR, Western blot and immunofluorescence staining were performed to detect the expression of osteogenic genes and proteins in HUVECs. GraphPad Prism 6.01 software was used for statistical analysis. RESULTS: Overexpression of Runx2 gene was beneficial for osteogenic differentiation of HUVECs, while overexpression of osterix gene did not show osteogenic differential potential. Moreover, overexpression of Runx2 gene in HUVECs up-regulated the gene expression level of Runx2, OSX, ALP, bone sialoprotein (BSP), osteopontin (OPN), and osteocalcin (OCN), and up-regulated protein level of OPN and OCN. CONCLUTIONS: Overexpression of Runx2 could promote osteogenic differentiation of HUVECs. PMID- 29199327 TI - [Construction of a lentiviral vector of RNA interference of PERK gene and identification in human dental pulp cells]. AB - PURPOSE: To construct an expression vector of a small hairpin RNA (shRNA) targeting human PERK gene and to observe gene-silencing effects of PERK in human dental pulp cells (DPCs). METHODS: According to PERK gene cDNA sequence, shRNA was designed and synthesized, which was then annealed into hU6-MCS-CMV-EGFP vector. After identified by sequencing, hU6-MCS-CMV-EGFP vector and packaging vector were co-transfected into 293 T cells. 72 hours later, the recombinant lentiviruses were obtained after harvesting and concentrating. Then LV-PERK-RNAi vectors were transfected into DPCs at an appropriate multiplicity of infection. To verify the interference effect, real- time PCR and Western blot were used to detect expression levels of PERK mRNA and protein in the transfected DPCs. The data were analyzed with SPSS 24.0 software package. RESULTS: LV-PERK-RNAi vectors were successfully constructed with a high titer of 3*108 TU/mL. The results of RT PCR and Western blot demonstrated that after infection with LV-PERK-RNAi vector at a multiplicity of infection of 30, the expression level of PERK gene in DPCs was significantly down-regulated compared with control group. At mRNA level, the interference rate was about 63%. CONCLUSIONS: An effective lentiviral shRNA expression vector targeting the PERK gene is successfully constructed and can be used for further study on the function of PERK gene. PMID- 29199328 TI - [Expression of human beta-defensin and its relationship with inflammatory factor in human dental pulp tissue]. AB - PURPOSE: To investigate the expression of human beta-defensin(HBD) in human dental pulp tissue and to explore the regulation of HBD in pulp inflammation and the relationship among HBD family members. METHODS: The gene expression of HBD in human dental pulp tissue was assessed in NCBI GEO profiles and was verified by RT PCR. Human dental pulp cells were stimulated with TNF-alpha, IL-1alpha, IL-1beta and IL-6 in different combinations and the expression of HBD2 was analyzed by qPCR. Human dental pulp cells were pretreated with HBD110 and then stimulated with LPS and the expression of TNF-alpha,IL-1alpha and HBD2 were analyzed by qPCR. GraphPad Prism 5.01 was used to analyze the results of the experimental and the control groups. RESULTS: 27 HBDs were found to express in human dental pulp tissue in NCBI GEO Profiles. The joint overexpression of TNF-alpha, IL-1alpha, IL 1beta and IL-6 increased the expression of HBD2; HBD110 increased the expression of HBD2 by increasing the expression of TNF-alpha and IL-1alpha. CONCLUSIONS: Many other HBDs have positive expression in human dental pulp issue besides of HBD1, HBD2, HBD3, HBD4 and the inflammation factors and other HBDs can regulate the expression of HBD2 in dental pulp. PMID- 29199329 TI - [Effect of a non-thermal atmospheric pressure argon plasma jet on SOD and MDA levels in oral mucosal ulcer of golden hamsters]. AB - : PURPOSE:To observe the effects of a non-thermal atmospheric pressure argon plasma jet on the healing time, and the levels of superoxide dismutase(SOD)and malondialdehyde(MDA)in oral mucosal ulcer of golden hamsters.METHODS: 56 golden hamsters were randomly assigned to 8 groups, one normal control group, one ulcer group, one natural healing group without any therapy, one iodine glycerin group, two argon groups (30 s, 120 s)and two plasma groups (30 s, 120 s).24 hours after the last treatment, 4 hamsters from each group were sacrificed to detect SOD and MDA levels in the oral mucosal ulcer by spectrophotometry. The healing time in the remaining hamsters was observed continuously for 9 days after the last treatment.The data were analyzed with SPSS 22.0 software package. RESULTS:The healing time of the plasma groups was significantly shorter than the other groups (P=0.00). 24 h after the last treatment, there was no significant difference between the plasma groups and the normal contro1 group in SOD and MDA levels (P>0.05), SOD level in plasma groups was significantly higher than other groups (P=0.00), and MDA level in plasma groups was significantly lower than other groups (P=0.00). There was no significant difference between 30 s and 120 s plasma group in SOD and MDA levels (P>0.05). CONCLUSIONS: Non-thermal atmospheric pressure plasma in certain dose can increase SOD level and decrease MDA level in ulcer tissues effectively, and reduce the healing time of oral ulcer in golden hamsters.. PMID- 29199330 TI - [Effect of low-intensity pulsed ultrasound combined with triamcinolone acetonide on oral mucosal ulcer healing in syrian hamster]. AB - PURPOSE: To evaluate the effect of low-intensity pulsed ultrasound(LIPUS) combined with triamcinolone acetonide on oral mucosal ulcer in syrian hamster in several ways, including healing time, contents of superoxide dismutase(SOD)and malondialdehyde (MDA). METHODS: Sixty syrian hamsters were randomly divided into 5 groups, including a baseline group (containing a normal baseline group and a model baseline group, n=6) and 4 experimental groups (LIPUS processing and drug use group, LIPUS group, drug group and a normal control group without any processing, n=12). Four experimental groups and model baseline group were given oxygen free radicals to model the oral mucosal ulcer. At 24 h after the last treatment, the healing time of ulcer, content of SOD and MDA were compared between each group. SPSS 20.0 software package was used for statistical analysis. RESULTS: Compared with LIPUS group,drug group and control group, the healing time of oral mucosal ulcer in LIPUS and drug combined group was shortened. At 24 h after the last treatment, the activity of SOD showed that the LIPUS and drug combined group[(2.32+/-0.30) U/mgprot] were significantly higher than the model baseline group[(1.48+/-0.29) U/mgprot], the LIPUS group[(1.83+/-0.15) U/mgprot], the drug group[(1.76+/-0.25) U/mgprot] and control group[(1.71+/-0.18) U/mgprot] (P<0.05). The results of MDA content showed that the LIPUS and drug combined group [(8.17+/-0.21) nmol/mgprot] were significantly lower than the model baseline group[(9.41+/-0.22) nmol/mgprot], the LIPUS group[(9.00+/-0.44) nmol/mgprot], the drug group [(9.04+/-0.43) nmol/mgprot] and control group[(9.03+/-0.46) nmol/mgprot] (P<0.05). After oral mucosal ulcer healing, the activity of SOD and MDA showed that the LIPUS and drug combined group, the LIPUS group, the drug group and control group were not significantly different from the normal baseline group (P>0.05). CONCLUSIONS: Low-intensity pulsed ultrasound combined with triamcinolone acetonide can effectively improve the activity of SOD and reduce the contents of MDA in ulcerated tissues, and therefore accelerate the process of ulcer healing.. PMID- 29199331 TI - [Expression of SOCS-1 and SOCS-3 in chronic periapical lesions and its clinical significance]. AB - PURPOSE: To detect the expression of suppressor of cytokine signaling-1 (SOCS-1) and suppressor of cytokine signaling-3 (SOCS-3) in chronic periapical lesions and to clarify their roles in pathogenesis of apical periodontitis. METHODS: A total of 25 chronic periapical lesion tissues and 16 normal periodontal ligament tissues were collected respectively. The expression of mRNA was measured by real time PCR, the protein expression was measured by immunohistochemical analysis. Statistical analysis was performed using SPSS 13.0 software package. RESULTS: Immunohistochemical results indicated that expression levels of SOCS-1 and SOCS-3 protein in chronic periapical lesions were significantly higher than that in normal tissues (P<0.01); Moreover, SOCS-1 and SOCS-3 protein expression levels in severe inflammation group were significantly higher than that in mild inflammation group (P<0.01). In mild inflammation group, severe inflammation group and control group, the expression levels of SOCS-1 mRNA were 2.620+/-1.552, 2.373+/-1.083 and 1.277+/-1.040, whereas those of SOCS-3 were 9.308+/-5.901, 7.565+/-3.233 and 1.232+/-1.099, respectively. CONCLUSIONS: The expression levels of SOCS-1 mRNA and SOCS-3 mRNA are significantly higher both in mild inflammation group and severe inflammation group than that in control group (P<0.01), while no significant difference is found in mild and severe inflammation group. PMID- 29199332 TI - [Effect of HBXIP on biological function and PI3K/Akt signaling pathway of adenoid cystic carcinoma cell line ACC-M]. AB - PURPOSE: To study the effect of hepatitis B virus X protein binding protein (HBXIP) on proliferation, migration and invasion of adenoid cystic carcinoma cell line ACC-M, and the possible mechanism of PI3K/Akt signaling pathway. METHODS: HBXIP plasmid was transfected into ACC-M. The cells were divided into experimental group (transfected with plasmid pEGFP-N1-HBXIP) control group (non transfected group) and blank control group (vector group, pEGFP-N1). RT-PCR was used to detect the expression HBXIP in ACC-M; MTT assay, transwell chamber experiments and scratches over the proliferation of HBXIP were utilized individually to evaluate the influence of HBXIP on ACC-M expression, migration and invasion; Western blotting was used to detect the protein expression of Akt, p-Akt, PI3K, p-PI3K and S100A4 after overexpression of HBXIP. Statistical analysis was performed using SPSS 18.0 software package. RESULTS: MTT results showed that the number of surviving cells of experimental group was significantly higher than the control group (P<0.05); Scratch test results showed that the cell mobility of the experimental group was significantly higher than the control group (P<0.01); Transwell chamber experiments showed that the number of cell invasion of the experimental group was significantly higher than the control group (P<0.01); Western blotting results showed that compared with the control group, the expression of p-Akt, p-PI3K and S100A4 in the experimental group with overexpressed HBXIP was relatively increased. CONCLUSIONS: Overexpression of HBXIP gene promotes ACC-M proliferation, invasion and migration. Further, ACC-M proliferation, invasion and migration may be promoted by increased Akt, PI3K phosphorylation and S100A4 protein expression. PMID- 29199333 TI - [Study on the sealing ability of biological root canal sealer iRoot SP in root canal filling]. AB - PURPOSE: To investigate the sealing ability of biological root canal sealer iRoot SP in over-root canal filling. METHODS:After completion of root canal preparation, 48 extracted human single-canal teeth were used. The ratio of mesio distal root canal diameter to bucco-lingual diameter was less than 0.5. The teeth were randomly divided into group A, B and C. The root canals were obturated with root canal filling agent (group A), AH Plus (group B) and iRoot SP (group C), respectively; the apical leakage was evaluated by dye penetration method and transparent teeth technique. The data were analyzed using SPSS 19.0 software package. RESULTS: The depth of dye penetration in group A was significantly higher than that in group B and C (P<0.05); there was no significant difference in the depth of dye penetration between group B and group C (P>0.05). CONCLUSIONS: The apical sealing ability of iRoot SP is equivalent to AH Plus in oval-root canal, both are better than that of root canal filling agent.. PMID- 29199334 TI - [Effect of transfected EphB4 on osteogenic differentiation in stem cells from human exfoliated deciduous teeth]. AB - PURPOSE: To evaluate the effect of stem cells from human exfoliated deciduous teeth (SHED) transfected with EphB4 gene in regulating osteogenic differentiation. METHODS: Human dental pulp tissue were harvested from extracted deciduous teeth and digested by collagenase and dispase. The SHEDs were transfected with transgenic (hEphB4-GFP) vector or empty vector (GFP-vector). Real time-polymerase chain reaction(real time-PCR) analysis and Western blot were used to detect the expression of EphB4 in SHEDs after transfection. EphB4-SHEDs and GFP-SHEDs were subjected to osteogenic induction and assessed by alkaline phosphatase(ALP) assay and Alizarin-red S staining. SPSS 16.0 software package was used for statistical analysis. RESULTS: Real time-PCR revealed that the expression of EphB4 was significantly enhanced in EphB4-SHEDs compared to GFP SHEDs (P<0.05). The expression of EphB4 protein was significantly higher (P<0.05) in EphB4-SHEDs compared to GFP-SHEDs. ALP assay and Alizarin-red S staining demonstrated higher ALP activity and increased mineralization with EphB4-SHEDs. CONCLUSIONS: The results indicate that transgenic expression of EphB4 in SHEDs could promote osteogenic differentiation. PMID- 29199335 TI - [Effect of flowablenano-composite on the bonding strength of tooth reattachment on fractured crowns]. AB - PURPOSE: To study the effect of flowable nano-composite and different resin adhesives on reattachment of fractured crowns. METHODS: Thirty four fractured human maxillary incisors were obtained and randomly assigned into 4 groups and reattached using two types of adhesives: Easy one (EO) and Single bond 2(SB2), with or without Filtek Z350 flowable nano-composite. Four days after reattaching, the teeth were tested to achieve the shear bonding strength (SBS) and the recovery rate of fracture resistance after reattachment (R) were calculated. Statistical analysis was performed by use of SPSS 20.0 software package. RESULTS: Using flowable nano-composite failed to increase the SBS and R.The recovery rates of the specimens using EO without flowable composite achieved the highest value and they were significantly higher than those of the specimens using SB2 without flowable composite (P=0.046). CONCLUSIONS: If the fragment matches the fractured tooth perfectly, the tooth reattached using EO without composite will achieve higher bonding strength. However, not all the adhesives can be used to reattach without composite. Clinical decisions should be made on two aspects: whether the selected adhesive has sufficient mechanical strength and if there is any loss of tooth tissue after fracture. PMID- 29199336 TI - [Significance of Smad4, Smad7 and Caveolin-1 expression in oral mucosa carcinogenesis of Wistar rats]. AB - PURPOSE: To investigate the expression of Smad4, Smad7 and Caveolin-1 in the process of carcinogenesis of oral mucosa in Wistar rats, and to understand the changes of TGF-beta/Smad signaling pathway and Caveolin-1 in oral cancer. METHODS: Palatal mucosal carcinogenesis specimens of Wistar rats were obtained from School of Stomatology, Zhengzhou University, which included 5 samples of normal mucosa, 10 samples of simple hyperplasia mucosa, 6 samples of mild mucosal dysplasia, 7 samples of moderate mucosal dysplasia, 13 samples of mucosa severe mucosal dysplasia, and 28 samples of oral cancer tissue. The expression of Smad4, Smad7 and Caveolin-1 was detected by immunohistochemistry. SPSS15.0 software package was used for statistical analysis. RESULTS: The expression of Smad4 decreased in normal and hyperplastic epithelia, dysplasticepithelia and oral cancer gradually, the difference of the expression among the three groups was significant (P<0.05). The expression of Smad7 and Caveolin-1 increased in normal and hyperplastic epithelia, dysplasticepithelia and oral cancer gradually, respectively; the difference of the expression among the 3 groups was significant (P<0.05). Spearman correlation analysis showed that Smad4 was negatively correlated with Smad7, Smad4 was negatively correlated with caveolin-1, Smad7 was positively correlated with Caveolin-1 (P<0.05). CONCLUSIONS: Synergistic effects may exist among Smad4, Smad7 and caveolin-1 in carcinogenesis of oral cancer. PMID- 29199337 TI - [Evaluation of profile aesthetics of skeletal Class II patients with different treatment methods]. AB - PURPOSE: To study the aesthetic appearance of skeletal Class II patients with maxillary protrusion and mandibular retrusion treated with different methods. METHODS: The facial profile photographs and lateral cephalometric radiographs of a Chinese woman suffering from skeletal Class II with maxillary protrusion and mandibular retrusion was digitized.The digital images were modified to obtain orthodontic compensatory treatment, genioplasty with different advancement ranges and orthognathic treatment comprising 6 profiles by Photoshop software,orthodontic professionals and non-professionals were chosen to score the pictures. Post hoc tests were done with ANONA and the Student Keuls method to analyze the data Using SPSS22.0 software package. RESULTS: The profile with the highest score was the picture treated by orthognathic and orthodontic treatment. The profile with genioplasty (advancement of 4 mm) took the second place. When the advancement distance of genioplasty was 8 mm, the score was under the score of orthodontic compensatory treatment profile. CONCLUSIONS: Orthognathic orthodontic treatment of skeletal Class II is still the best treatment option to improve facial aesthetics. Genioplasty, as a adjuvant treatment, improves the appearance based on compensatory orthodontic treatment to some extent, but not comparable to orthognathic-orthodontic treatment. PMID- 29199338 TI - [A clinical analysis of screw-retained implant-supported casted integrated abutment crowns in the molar region with limited interocclusal space]. AB - PURPOSE: To observe the clinical effects of screw-retained implant-supported casted abutment integrated crowns (IACs) in the molar region with limited interocclusal space. METHODS: This study involved 507 implants in 376 patients with limited interocclusal space in the molar region. All implants were inserted to the jaw by standard one-stage protocol. Screw-retained IACs were used as the final prosthesis. With 6 to 24 months follow-up, the clinical effects of screw retained IACs were recorded and analyzed using SPSS 17.0 software package. RESULTS: During 6 to 24 months of follow-up, the implant survival rate was 99.61%. 37 patients had ceramic fracture which mainly happened in the group with 3-4 mm interocclusal space. In each group, porcelain fused to metal (PFM) prosthesis had ceramic fracture more easily than PFM prosthesis without porcelain on occlusal surface(P<0.05). As the interocclusal space became smaller, the probability of collapsing porcelain increased(P<0.05).13 patients had screw loosening. 13 patients suffered from gingival swelling and bleeding, they were given periodontal treatment and oral hygiene instruction. Patients were satisfied with the restoration results. CONCLUSIONS: Screw-retained IACs can be used to repair missing teeth in the molar region with limited interocclusal space. PMID- 29199339 TI - [Assessment of pulpotomy in cariously exposed permanent teeth]. AB - PURPOSE: To observe the clinical effect of pulpotomy for cariously exposed permanent teeth with closed apices and provide guidance for clinical application. METHODS: Sixty-two cariously exposed permanent teeth with closed apices and vital pulps were included. Preoperative pulpal and periapical diagnosis was established. The teeth were divided into two groups, the experimental group was treated with pulpotomy(32 cases), and the control group was treated with one visit root canal therapy (one-visit RCT) (30 cases). Clinical and radiographic evaluation was completed at 1 month, 3 months, 6 months, 12 months postoperatively. Statistical analysis was performed using SPSS 18.0 software package. RESULTS: After 1 year, the success rate of pulpotomy was 93.75%, and the success rate of root canal therapy was 93.10%. There was no significant difference between pulpotomy and root canal therapy(P=0.665). CONCLUSIONS: The advantages of pulpotomy are less invasive and less tooth destruction. It is a successful treatment option for cariously exposed pulps in mature permanent teeth. PMID- 29199340 TI - [Analysis of relative factors associated with postoperative infection of mandibular fractures]. AB - PURPOSE: To explore risk factors associated with postoperative inflammatory complications(POIC) after rigid internal fixation of mandibular fractures. METHODS: A case-control study was designed and a sample of 447 patients treated with rigid internal fixation for mandibular fractures were selected from January 2009 to December 2015.26 patients developed POIC after treatment were categorized into the experimental group. Twenty-six cases with no complications were enrolled into the control group. Data were collected and bivariate and multiple logistic analyses were used to identify factors associated with POIC between the two groups by SAS9.2 software package. RESULTS: In multiple regression model, an increasing Mandibular Injury Severity Score (OR=2.509; 95%CI 1.083-5.814) and health condition below the baseline (OR=5.019; 95%CI 1.294-19.472) were significantly (P<0.05) associated with an increased risk for a POIC. However, in bivariate analyses, the use of antibiotics was associated with POIC (P<0.05). CONCLUSIONS: Postoperative inflammatory complications are associated with the Mandibular Injury Severity and health condition of the patients. PMID- 29199341 TI - [Expression of receptor activator of nuclear factor-kappaB ligand in keratocystic odontogenic tumor before and after decompression]. AB - PURPOSE: To investigate the expression of receptor activator of nuclear factor kappaB ligand (RANKL) in keratocystic odontogenic tumor (KCOT) before and after decompression. METHODS: Twenty two pairs of paraffin-embeded tissue specimens of KCOT were collected and subjected to immunohistochemical analysis of RANKL.The data were analyzed with SPSS17.0 software package for paired t test. RESULTS: RANKL positive cells were observed in the preoperative KCOT epithelium. The expression of RANKL was down-regulated after decompression(P<0.05). CONCLUSIONS: Decrease of RANKL expression after decompression may facilitate the lining epithelium of KCOT transforming to normal oral mucosal epithelium. PMID- 29199342 TI - [Survey of periodontal health in medical college students after 3 years of periodontal health maintenance]. AB - PURPOSE: To observe and evaluate the status of periodontal disease in young people and the effect of intervention to control the development of periodontal diseases. METHODS: One hundred and fifty-three medical college students were randomly divided into group A (receiving interventions) and group B (no interventions). They were followed up for 3 years. The subjects in group A received oral health education, including selection of the toothbrush, the right way to brush teeth, the use of dental floss and interdental brush. At the same time ,they were given initial periodontal treatment according to the actual situation, and received oral health education, periodontal maintenance treatment, and reinforced plaque control every six months. The changes of debris index (DI), calculus index (CI), probing depth (PD), clinical attachment loss (CAL), bleeding on probing (BOP) and gingival index (GI) before and after interventions were compared. Statistical analysis was performed using SAS 6.12 software package. RESULTS: Three years later, CI and DI in group A declined significantly compared to the baseline (P<0.01), but there was no significant changes in group B (P>0.05). There was significant difference in the changes of PD, BOP and GI between group A and B (P<0.01). Significant difference of the change of CAL between group A and B was also found(P<0.05), CAL in group B was significantly higher than that in group A. CONCLUSIONS: There are positive effects of regular periodontal health maintenance and oral health education on periodontal health. PMID- 29199343 TI - [Diagnostic value of diffusion-weighted magnetic resonance imaging for solid tumors affecting the base of tongue and glossopharynx]. AB - PURPOSE: The objective of the present study was to evaluate the potential application value of diffusion-weighted magnetic resonance imaging (DW-MRI) to differentiate solid benign from malignant tumors affecting the base of tongue and glossopharynx. METHODS: Sixty-one patients who presented with solid tumors affecting the base of tongue and glossopharynx underwent conventional MRI and DW MRI before pathologic verification. Based on pathologic findings, the tumors were classified into 4 groups: Group 1, solid benign tumor (n=10); Group 2, epithelial carcinoma (n=35); Group 3: non- epithelial malignant tumor (n=16); and Group 4: malignant tumor (n=51, a combination of Group 2 and 3). The mean apparent diffusion coefficients (ADCs) were computed from DW-MRI scans obtained with b factors of 0 and 1000 s/mm2. SAS 9.1 software package was used for Wilcoxon test. RESULTS: The mean ADCs were significantly different (P<0.05) between group 1 and the other 3 groups, and between group 2 and group 3, respectively. Among all kinds of pathological types of lesions, non-Hodgkin lymphoma had a lowest mean ADC value, and schwannoma had a highest mean ADC value. In addition, the mean ADCs among epithelial carcinoma subtypes were not significantly different(P>0.05). CONCLUSIONS: DW-MRI has differential diagnostic value of solid tumors affecting the base of tongue and glossopharynx, especially in distinguishing between benign solid tumors and malignant tumors, and between epithelial carcinomas and non-epithelial malignant tumors. PMID- 29199344 TI - [Eight-year clinical results of SLA surface implant for dentition defect]. AB - PURPOSE: To evaluate the clinical effect of titanium implants with SLA surface preparation for partial prostheses. METHODS: One hundred and ninety-one implants with SLA surface preparation were implanted in 130 patients with dentition defect who required dental repair at Yantai Stomatologic Hospital Implant Center. Successful rate of the implant, changes of soft and hard tissue around the implants as well as the stability of the superstructure were recorded and evaluated by regular clinical and X-ray examinations. Data analysis was performed using SPSS 17.0 software package. RESULTS: Twenty four patients with 31 implants were lost to follow up, one implant which loosened 1 week after operation was extracted. Four implants were found with peri-implantitis. The dropout rate, survival rate and successful rate was 18.46%, 99.38% and 96.88%, respectively. No obvious biological complications were observed in 155 successful implants during the observation period. Eight years later, the marginal bone resorption reached to (1.34+/-0.52) mm. After 8 years, a total of 25 implants had mechanical complications, including superstructure screw mobility, falling off of the crown, porcelain fracture of restorations, implant fracture and the prosthesis success rate was 83.87%. CONCLUSIONS: SLA surface implant can not only achieve good bone integration, but also long-time maintainanance of the soft tissue around the implant and implant superstructure at a healthy and stable state,the clinical effect is better than other dental implants. PMID- 29199345 TI - [Clinical application of individualized three-dimensional printing implant template in multi-tooth dental implantation]. AB - PURPOSE: To study the value and satisfaction of three-dimensional printing implant template and conventional implant template in multi-tooth dental implantation. METHODS: Thirty cases (83 teeth) with missing teeth needing to be implanted were randomly divided into conventional implant template group (CIT group, 15 cases, 42 teeth) and 3D printing implant template group (TDPIT group, 15 cases, 41 teeth). Patients in CIT group were operated by using conventional implant template, while patients in TDPIT group were operated by using three dimensional printing implant template. The differences of implant neck and tip deviation, implant angle deviation and angle satisfaction between the two groups were compared. The difference of probing depth and bone resorption of implant were compared 1 year after operation between the two groups. The difference of success rate and satisfaction of dental implantation were compared 1 year after operation between the two groups. SPSS19.0 software package was used for statistical analysis. RESULTS: The deviation direction of the neck and the tip in disto-mesial, bucco-palatal, vertical direction and angle of implants in disto mesial and bucco-palatal direction in TDPIT group were significantly lower than in CIT group (P<0.05), and angle satisfaction of implants in disto-mesial and bucco-palatal direction in TDPIT group were significantly higher than in CIT group (P<0.05). There was no significant difference between the two groups in the probing depth and bone resorption of implants 1 year after operation (P>0.05). The difference of the cumulative success rate in dental implantation at 3 months and 6 months between the two groups were not significant (P>0.05), but the cumulative success rate of TDPIT group was significantly higher than CIT group at 9 months and 1 year (90.48% vs 100%,P=0.043). The patients' satisfaction rate of dental implantation in TDPIT group was significantly higher than in CIT group (86.67% vs 53.33%, P=0.046). CONCLUSIONS: Using three-dimensional printing implant template can obtain better accuracy of implant, higher implant success rate and better patients' satisfaction than using conventional implant template. It is suitable for clinical application. PMID- 29199346 TI - [Study of angle between maxillary incisor and alveolar bone using cone-beam CT]. AB - PURPOSE: To measure the angle between maxillary incisor and alveolar bone by the use of cone-beam CT (CBCT), in order to assess preoperative risks and provide guidance in anterior dental implantation. METHODS: A total of 374 patients were included and divided into 3 age groups: group 1 (18-34 years), group 2 (35-59 years) and group 3(above 60 years). All patients underwent CBCT preoperatively, the angle between maxillary incisor and alveolar bone was measured though Kavo eXam Vision software. The data were analyzed with SPSS16.0 software package for Student's t test. RESULTS: In group 1, 2 and 3, the angle between maxillary incisor and alveolar bone was (13.81+/-4.37) degrees , In group 2, the ankle between maxillary incisor and alveolar bone was (15.19+/-5.23) degrees , (18.51+/ 6.62) degrees , respectively; there was no significant difference between male and female in each group, but there was significant difference between every 2 age groups in the angle between maxillary incisor and alveolar bone. CONCLUSIONS: The angle between maxillary incisor and alveolar bone is increasing with the increase of age, but no significant difference between male and female is detected. For patients with dental implantation in anterior area, CBCT should be taken to measure the angle between maxillary incisor and alveolar bone for aesthetic assessment, especially for old patients. PMID- 29199347 TI - [Analysis of factors affecting soft tissue infection after oral and maxillofacial debridement]. AB - PURPOSE: To explore the factors affecting soft tissue infection after oral and maxillofacial debridement. METHODS: Fifty hundred patients with debridement were enrolled in this study from January 2013 to June 2016. The patients were divided into 2 groups according to soft tissue infection, 18 cases in infection group and 482 cases in non-infection group. Age, mean time to surgery, average length of stay, duration of antibiotics use, abbreviated injury scale (AIS), combined injuries, maxillofacial fractures, soft tissue injury, type of fracture, and history of diabetes were recorded and analyzed using SPSS 19.0 software package. RESULTS: The factors influencing soft tissue infection after oral and maxillofacial surgery were the aged, longer hospital stay, longer operation time, longer antibiotics use time, higher AIS score, Jaw bone injury and diabetes. CONCLUSIONS: The factors influencing soft tissue infection after oral and maxillofacial debridement are various. The aged, longer operation time, higher AIS score, jaw bone involvement lip and chin injury as well as diabetes might be the independent factors. Health care providers should give preventive measures to reduce the incidence of infection, according to specific factors. PMID- 29199348 TI - Unhealthy lifestyle and sleep problems as risk factors for increased direct employers' cost of short-term sickness absence. AB - Objectives Unhealthy lifestyle (eg, smoking) as well as sleep problems are associated with increased risk of sickness absence, but the financial impact of these associations beyond risk ratios is not well known. We aimed to estimate the additive contribution of lifestyle and sleep problems (risk factors) to direct costs of short-term (<15 days) sickness absence. Methods The Helsinki Health Study is a longitudinal cohort of employees of the City of Helsinki, Finland (N=8960, response rate 67%). During 2000-2002 the participants were mailed a survey questionnaire that gathered information on their lifestyle and sleep. A sum of the risk factors was calculated: participants received one point for being a smoker; high alcohol user (>7 servings/week for women and >14 servings/week for men); physically inactive [<14 metabolic equivalents (MET) hours/week]; having low fruit and vegetable consumption (<1 times/day); or suffering from frequent insomnia symptoms. Sickness absence, salary, and time of employment were followed through the employer's register between 2002-2016. Individual salary data were used to calculate the direct costs of short-term sickness absence. Data were analyzed using a two-part model. Results Direct costs of short-term sickness absences were on average ?9057 (standard deviation ?11 858) per employee over the follow-up. Those with >=3 risk factors had ?3266 [95% confidence interval (95% CI) ?2114-4417] higher direct costs for the employer over the follow-up compared to those without any risk factors. Conclusions Unhealthy lifestyle and sleep problems may increase the costs of short-term sickness absence to the employer by 10-30%. Consequently, programs addressing lifestyle and sleep may yield to significant savings. PMID- 29199349 TI - Methotrexate Management in Psoriasis: Are We Following the Guidelines? PMID- 29199350 TI - A Rapidly Expanding Ulcer in the Armpit of a 48-year-old Man: A Quiz. PMID- 29199351 TI - Significant Changes in the Skin Microbiome in Patients with Chronic Plaque Psoriasis after Treatment with Narrowband Ultraviolet B. AB - Changes in the skin microbiome have been shown to promote cutaneous inflammation. The skin microbiome of patients with chronic plaque type psoriasis was analysed before and after treatment with narrowband ultraviolet B (UVB). Swab samples of the microbiome were taken from lesional and non-lesional skin of 26 patients. Microbiotas were characterized by sequencing 16S rRNA bacterial genes on the Illumina MiSeq platform. Lesional skin microbiome diversity correlated with psoriasis severity (measured with the Psoriasis Area and Severity Index; PASI). There was a significantly lower abundance of the phylum Firmicutes and the genus Staphylococcus in lesional skin compared with non-lesional skin before UVB treatment. Responders (> 75% target Psoriasis Severity Index (PSI) improvement) had significantly lower abundance of the phyla Firmicutes in lesional and non lesional skin and lower abundance of the genera Staphylococcus, Finegoldia, Anaerococcus, Peptoniphilus, Gardnerella, Prevotella and Clostridium in lesional skin after UVB treatment. Pseudomonas significantly decreased in lesional and non lesional skin of treatment responders. These results suggest that skin microbiome alterations after UVB treatment could be related to treatment and treatment response. PMID- 29199353 TI - Identification and characterization of six glycosyltransferases involved in the biosynthesis of a new bacterial exopolysaccharide in Paenibacillus elgii. AB - Paenibacillus elgii B69 produces a new xylose-containing exopolysaccharide (EPS) that effectively removes the pollutants from wastewater through flocculation. However, information about the biosynthesis of this EPS is limited. In this study, sequence analysis showed six putative glycosyltransferases (GTs) genes in polysaccharide gene clusters involved in glycosidic linkages of repeating units. Each gene was deleted and phenotypes were examined to understand the functions of these genes. Two of the genes were deleted successfully to encode a priming glucose GT and a side-chain xylose GT, but other genes were unsuccessfully deleted because of the accumulation of toxic intermediate products. The six genes were cloned and expressed in Escherichia coli, and the corresponding enzymes were purified. The activity of GTs was analyzed through mass spectrometry by using the purified membrane fraction as a lipid carrier receptor after a hexasaccharide repeated unit was reconstructed in vitro. The specificities of six different GTs and the building order of the hexasaccharide were characterized. This study provided a basis for future research on the biosynthetic pathway of EPS in Paenibacillus or other genera. PMID- 29199352 TI - An aptamer-based biosensor for detection of doxorubicin by electrochemical impedance spectroscopy. AB - An aptamer-based biosensor was developed for the detection of doxorubicin using electrochemical impedance spectroscopy. Doxorubicin and its 14-dehydroxylated version daunorubicin are anthracyclines often used in cancer treatment. Due to their mutagenic and cardiotoxic effects, detection in groundwater is desirable. We developed a biosensor using the daunorubicin-binding aptamer as biological recognition element. The aptamer was successfully co-immobilized with mercaptohexanol on gold and a density of 1.3*1013 +/- 2.4*1012 aptamer molecules per cm2 was achieved. The binding of doxorubicin to the immobilized aptamer was detected by electrochemical impedance spectroscopy. The principle is based on the inhibition of electron transfer between electrode and ferro-/ferricyanide in solution caused by the binding of doxorubicin to the immobilized aptamer. A linear relationship between the charge transfer resistance (R ct ) and the doxorubicin concentration was obtained over the range of 31 nM to 125 nM doxorubicin, with an apparent binding constant of 64 nM and a detection limit of 28 nM. With the advantages of high sensitivity, selectivity, and simple sensor construction, this method shows a high potential of impedimetric aptasensors in environmental monitoring. Graphical abstract Measurement chamber and immobilization principle for the detection of doxorubicin by electrochemical impedance spectroscopy. PMID- 29199354 TI - Enhanced bacterial cellulose production by Gluconacetobacter xylinus via expression of Vitreoscilla hemoglobin and oxygen tension regulation. AB - Oxygen plays a key role during bacterial cellulose (BC) biosynthesis by Gluconacetobacter xylinus. In this study, the Vitreoscilla hemoglobin (VHb) encoding gene vgb, which has been widely applied to improve cell survival during hypoxia, was heterologously expressed in G. xylinus via the pBla-VHb-122 plasmid. G. xylinus and G. xylinus-vgb + were statically cultured under hypoxic (10 and 15% oxygen tension in the gaseous phase), atmospheric (21%), and oxygen-enriched conditions (40 and 80%) to investigate the effect of oxygen on cell growth and BC production. Irrespective of vgb expression, we found that cell density increased with oxygen tension (10-80%) during the exponential growth phase but plateaued to the same value in the stationary phase. In contrast, BC production was found to significantly increase at lower oxygen tensions. In addition, we found that BC production at oxygen tensions of 10 and 15% was 26.5 and 58.6% higher, respectively, in G. xylinus-vgb + than that in G. xylinus. The maximum BC yield and glucose conversion rate, of 4.3 g/L and 184.7 mg/g, respectively, were observed in G. xylinus-vgb + at an oxygen tension of 15%. Finally, BC characterization suggested that hypoxic conditions enhance BC's mass density, Young's modulus, and thermostability, with G. xylinus-vgb + synthesizing softer BC than G. xylinus under hypoxia as a result of a decreased Young's modulus. These results will facilitate the use of static culture for the production of BC. PMID- 29199355 TI - Assessment of MODIS-derived indices (2001-2013) to drought across Taiwan's forests. AB - Tropical and subtropical ecosystems, the largest terrestrial carbon pools, are very susceptible to the variability of seasonal precipitation. However, the assessment of drought conditions in these regions is often overlooked due to the preconceived notion of the presence of high humidity. Drought indices derived from remotely sensed imagery have been commonly used for large-scale monitoring, but feasibility of drought assessment may vary across regions due to climate regimes and local biophysical conditions. Therefore, this study aims to evaluate the feasibility of 11 commonly used MODIS-derived vegetation/drought index in the forest regions of Taiwan through comparison with the station-based standardized precipitation index with a 3-month time scale (SPI3). The drought indices were further transformed (standardized anomaly, SA) to make them better delineate the spatiotemporal variations of drought conditions. The results showed that the Normalized Difference Infrared Index utilizing the near-infrared and shortwave infrared bands (NDII6) may be more superior to other indices in delineating drought patterns. Overall, the NDII6 SA-SPI3 pair yielded the highest correlation (mean r +/- standard deviation = 0.31 +/- 0.13) and was most significant in central and south Taiwan (r = 0.50-0.90) during the cold, dry season (January and April). This study illustrated that the NDII6 is suitable to delineate drought conditions in a relatively humid region. The results suggested the better performance of the NDII6 SA-SPI3 across the high climate gradient, especially in the regions with dramatic interannual amplifications of rainfall. This synthesis was conducted across a wide bioclimatic gradient, and the findings could be further generalized to a much broader geographical extent. PMID- 29199356 TI - Primary effusion lymphoma-like lymphoma with a T cell phenotype. PMID- 29199357 TI - Further classification of neutrophil non-muscle myosin heavy chain-IIA localization for efficient genetic diagnosis of MYH9 disorders. PMID- 29199358 TI - Enhancement of a visual reinforcer by D-amphetamine and nicotine in adult rats: relation to habituation and food restriction. AB - RATIONALE AND OBJECTIVES: Nicotine and D-amphetamine can strengthen reinforcing effects of unconditioned visual stimuli. We investigated whether these reinforcement-enhancing effects reflect a slowing of stimulus habituation and depend on food restriction. METHODS: Adult male rats pressed an active lever to illuminate a cue light during daily 60-min sessions. Depending on the experiment, rats were challenged with fixed or varying doses of D-amphetamine (0.25-2 mg/kg IP) and nicotine (0.025-0.2 mg/kg SC) or with the tobacco constituent norharman (0.03-10 MUg/kg IV). Experiment 1 tested for possible reinforcement-enhancing effects of D-amphetamine and norharman. Experiment 2 investigated whether nicotine and amphetamine inhibited the spontaneous within-session decline in lever pressing. Experiment 3 assessed the effects of food restriction. RESULTS: Amphetamine (0.25-1 mg/kg) and nicotine (0.1 mg/kg) increased active lever pressing specifically (two- to threefold increase). The highest doses of nicotine and amphetamine also affected inactive lever responding (increase and decrease, respectively). With the visual reinforcer omitted, responding was largely extinguished. Neither drug appeared to slow habituation, as assessed by the within-session decline in lever pressing, and reinforcement-enhancing effects still occurred if the drugs were given after this decline had occurred. Food restriction enhanced the reinforcement-enhancing effect of amphetamine but not that of nicotine. CONCLUSIONS: Responding remained goal-directed after several weeks of testing. Low doses of D-amphetamine and nicotine produced reinforcement enhancement even in free-feeding subjects, independent of the spontaneous within session decline in responding. Reinforcement enhancement by amphetamine, but not nicotine, was enhanced by concurrent subchronic food restriction. PMID- 29199360 TI - Editorial: Advancing Research on Child and Adolescent Psychopathology. PMID- 29199359 TI - Risk of venous thromboembolism among users of different anti-osteoporosis drugs: a population-based cohort analysis including over 200,000 participants from Spain and the UK. AB - : The venous thromboembolism risk among anti-osteoporotics is unknown. In this primary care study, the risk with other bisphosphonates [1.05 (0.94-1.18) and 0.96 (0.78-1.18)], strontium [0.90 (0.61-1.34) and 1.19 (0.82-1.74)], in the UK and Spain respectively, and denosumab [1.77 (0.25-12.66)] and teriparatide [1.27 (0.59-2.71)] in Spain, did not differ versus alendronate. INTRODUCTION: Most of the known adverse drug reactions described for anti-osteoporosis medication (AOM) have been described in studies comparing AOM users to non-users. We aimed to compare the risk of venous thromboembolism (VTE) among incident users of different AOM compared to alendronate (first line therapy). METHODS: Two cohort studies were performed using data from the UK (CPRD) and Spain (BIFAP) primary care records separately. All patients aged >= 50 years with at least 1 year of data available and a new prescription or dispensation of AOM (date for therapy initiation) during 2000-2014 (CPRD) or 2001-2013 (BIFAP) were included. Users of raloxifene/bazedoxifene were excluded from both databases. Five exposure cohorts were identified according to first treatment: (1) alendronate, (2) other bisphosphonates, (3) strontium ranelate, (4) denosumab, and (5) teriparatide. Participants were followed from the day after therapy initiation to the earliest of a treated VTE (cases), end of AOM treatment (defined by a refill gap of 180 days), switching to an alternative AOM, drop-out, death, or end of study period. Incidence rates of VTE were estimated by cohort. Adjusted hazard ratios (HR 95%CI) were estimated according to drug used. RESULTS: Overall, 2035/159,209 (1.28%) in CPRD and 401/83,334 (0.48%) in BIFAP had VTE. Compared to alendronate, adjusted HR of VTE were 1.05 (0.94-1.18) and 0.96 (0.78-1.18) for other bisphosphonates, and 0.90 (0.61-1.34) and 1.19 (0.82-1.74) for strontium in CPRD and BIFAP, respectively; 1.77 (0.25-12.66) for denosumab and 1.27 (0.59-2.71) for teriparatide in BIFAP. CONCLUSIONS: VTE risk during AO therapy did not differ by AOM drug use. Our data does not support an increased risk of VTE associated with strontium ranelate use in the community. PMID- 29199361 TI - Management of neuroendocrine tumors of unknown primary. AB - Neuroendocrine neoplams (NENs) are mostly relatively indolent malignancies but a significant number have metastatic disease at diagnosis mainly to the liver. Although in the majority of such cases the primary origin of the tumor can be identified, in approximately 11-22% no primary tumor is found and such cases are designated as NENs of unknown primary origin (UPO). This has significant therapeutic implications with respect to potentially resectable hepatic disease and/or application of appropriate medical therapy, either chemotherapeutic agents or targeted treatment, as the response to various treatments varies according to the origin of the primary tumor. This lack of tumor specific orientated treatment may also account for the relatively poorer prognosis of NENs of UPO compared to metastatic NENs with a known primary site. In the majority of cases the primary tumors are located in the small bowel and the lung, but a number may still elude detection. Occasionally the presence of a functional syndrome may direct to the specific tissue of origin but in the majority of cases a number of biochemical, imaging, histopathological and molecular modalities are utilized to help identify the primary origin of the tumor and direct treatment accordingly. Several diagnostic algorithms have recently been developed to help localize an occult primary tumor; however, in a number of cases no lesion is identified even after prolonged follow-up. It is expected that the delineation of the molecular signature of the different NENs may help identify such cases and provide appropriate treatment. PMID- 29199362 TI - Self-management interventions for cancer survivors: a systematic review. AB - PURPOSE: Many cancer survivors experience problems with persisting symptoms such as pain, fatigue, anxiety and depression post-treatment. Self-management interventions are recommended for cancer patients as they can help individuals identify and manage these continuing symptoms. This systematic review examines the type, content and impact of self-management interventions for cancer survivors on health outcomes such as activity participation, self-efficacy, quality of life and symptom management. METHODS: This was a systematic review of the English language scientific literature searched for randomised controlled trials (RCT), systematic reviews and meta-analyses of self-management programmes conducted with cancer survivors. Six databases were systematically searched. RESULTS: Initial searches yielded 2633 citations. Following screening and a risk of bias assessment, six studies were included in the final review. Heterogeneity of the interventions precluded meta-analysis. Three studies reported significant differences between groups in a number of areas including fatigue, physical functioning, distress and self-efficacy at their first follow-up assessment. These studies included two psychosocial interventions and one exercise and diet intervention. Not all findings were sustained across studies at follow-up assessment. CONCLUSION: It is not possible to draw definitive conclusions as to the impact the different types of self-management programme had on cancer survivors. The sustainability of the interventions reviewed was poor, suggesting that cancer survivors require interventions that can be applied into their daily activities. PMID- 29199363 TI - Development and preclinical trials of a wire-driven end effector device for frozen shoulder treatment. AB - Several different flexible end effectors have been developed to solve the problem of approaching the lesion in a minimally invasive surgery. In this paper, we developed a wire-driven end effector device to treat frozen shoulder. Since the device is for capsular release surgery, it has a suitable bend radius for the surgery. It is a cylindrical cannula that can fit various surgical tools and can be sterilized after use. The end effector is made of an elastic material called PAI (polyamide-imide) with its outer diameter and total length being 4 and 19 mm. It is controlled by wires that are connected to a motor. Through quantitative evaluation, we confirmed that the end effector can bend up to 90 degrees in an upward or downward direction. Through qualitative evaluation, we confirmed that the device can easier access all regions of the glenoid in a shoulder model than conventional electrocautery. An experiment on a cadaver followed, which allowed us to discuss the real life performance, operation, and areas of improvement of the device with surgeons. From the experiments, we confirmed that our target region, the IGHL (inferior glenohumeral ligament), is within the reach of our device. The surgeon also evaluated that the control of the device caused no inconvenience. PMID- 29199364 TI - In situ reduced graphene oxide-based polyurethane sponge hollow tube for continuous oil removal from water surface. AB - Graphene oxide (GO) was prepared by using the natural graphite as raw materials via the modified Hummers' method and ultrasonic stripping method. GO was reduced online after its anchoring on the surface of polyurethane sponges by a dip coating method, then in situ reduced graphene oxide-based polyurethane (IRGOPU) sponges were fabricated. The characterizations of IRGOPU sponges were investigated using Field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and contact angle measurement. The IRGOPU sponges had an adsorption capacity for a broad range of oils up to 21.7 ~ 55 g/g. A simulation experiment of large-scale oil spill using a simple IRGOPU sponge hollow tube component was designed. The process of continuous oil removal from water surface was quick and effective, and the oil/water separation efficiency could be up to 99.6%. The results indicated that the IRGOPU sponge hollow tube may be an optimum candidate for the oil/water separation of large-scale oil spill. PMID- 29199366 TI - Temporal-spatial variations and influencing factors of nitrogen in the shallow groundwater of the nearshore vegetable field of Erhai Lake, China. AB - Nitrogen export from the nearshore vegetable field of Erhai Lake seriously threatens the water quality of Erhai Lake, which is the second largest highland freshwater lake in Yunnan Province, China. Among the nitrogen flows into Erhai Lake, shallow groundwater migration is a major pathway. The nitrogen variation and influencing factors in the shallow groundwater of the nearshore vegetable field of Erhai Lake are not well documented. A 2-year field experiment was conducted to determine the concentrations of nitrogen species in the shallow groundwater and their influencing factors in the nearshore vegetable field of Erhai Lake. The results showed that concentrations of TN, NO3--N, and NO2--N gradually increased with increasing elevation and distance from Erhai Lake, but the opposite was observed for NH4+-N in the shallow groundwater. The concentrations of nitrogen species in the rainy season were greater than those in the dry season. NO3--N accounted for more than 79% of total nitrogen in shallow groundwater. Redundancy analysis showed that more than 70% of the temporal and spatial variations of nitrogen concentrations in the shallow groundwater were explained by shallow groundwater depth, and only approximately 10% of variation was explained by the factors of soil porosity, silt clay content of soil, and NH4+-N and NO3--N concentrations of soil (p < 0.05). The shallow groundwater depth had more notable effects on nitrogen concentrations in the shallow groundwater than other factors. This result will strongly support the need for further research regarding the management practices for reducing nitrogen concentrations in shallow groundwater. PMID- 29199365 TI - Volatile fatty acid augmentation and microbial community responses in anaerobic co-fermentation process of waste-activated sludge mixed with corn stalk and livestock manure. AB - This study investigated the acidogenic and microbiological perspectives in the anaerobic co-fermentation of waste-activated sludge (WAS) mixed with corn stalk (CS) and pig manure (PM). The volatile fatty acids (VFAs) increased dramatically to over 5000 mg COD/L accumulation just within 4-5 days with the feedstock carbon to nitrogen (C/N) ratio regulation of 20/1. The CS and PM addition enhanced the compressibility of fermentation residuals by increasing the particle distribution spread index (DSI). Moreover, the external carbon addition conduced to bacterial consortia diversity rising and uneven population distribution in the co fermentation, which contributed to VFAs accumulation potentially. The organic loading rate (OLR) correlated with bacterial community closely at the early stage (days 1-5), while the oxidation-reduction potential (ORP) and pH played more important roles on bacterial consortia at the terminal stage (days 6-10). The C/N ratio adjustment by CS and PM and proper optimizations of OLR, pH, and ORP at various running stages facilitated VFA accumulation during the co-fermentation operation. PMID- 29199367 TI - Flocculation performance of lignin-based flocculant during reactive blue dye removal: comparison with commercial flocculants. AB - A novel lignin-based flocculant (LBF) with superior flocculation performance was prepared from paper mill sludge in this work. The functional groups of LBF and alkaline lignin (AL) were determined by Fourier transform infrared spectroscopy (FTIR). The flocculation performance of LBF integrated with polyaluminum chloride (PAC) was tested in reactive dye wastewater treatment. Floc properties and color removals in multiple flocculation systems were discussed. Results indicated that the dye removal (93%) was greatly facilitated as the LBF was integrated with PAC (PAC + LBF). In addition, floc properties and color removals were significantly improved in the presence of Ca2+ and Mg2+. In contrary, flocculation performance was greatly restricted in the presence of SO42-. LBF was less pH sensitive and shear sensitive than polyacrylamide (PAM) due to the enhanced charge neutralization and bridging action. On the basis of that, LBF could be used as a promising flocculant in dye wastewater treatment. PMID- 29199368 TI - Testing ZnO nanoparticle ecotoxicity: linking time variable exposure to effects on different marine model organisms. AB - Zinc oxide nanoparticles (ZnO NPs) are increasingly used in several personal care products, with high potential to be released directly into marine environment with consequent adverse impact on marine biota. This paper aimed to compare the ecotoxicological effect of ZnO NPs (< 100 nm) towards three marine organisms widely used in toxicity assessment: an algal species (Dunaliella tertiolecta), a bioluminescent bacterium (Vibrio fischeri), and a crustacean (Artemia salina). Bulk ZnO (ZnO bulk, 200 nm) and ionic zinc were also investigated for understanding the role of size and of ionic release in the ZnO toxic action. To this aim, different ecotoxicological tests were used: the inhibition of bioluminescence with V. fischeri at three exposure times (5, 15, and 30 min); the D. tertiolecta growth inhibition at 24, 48, and 72 h; the A. salina mortality at 24-96 h, and A. salina mortality and body growth each 3 days along chronic exposure (14 days). For all selected species, ZnO NPs toxicity was strictly dependent on the exposure time and different sensitivities were recorded: ZnO NPs were more toxic towards algae (EC50 2.2 mg Zn/L) but relatively less toxic towards bacteria (EC50 17 mg Zn/L) and crustaceans (EC50 96 h 58 mg Zn/L). During the 14-day chronic exposure of A. salina, ZnO NPs had a significant inhibition of vitality and body length (EC5014d 0.02 mg Zn/L), while the effect of ZnSO4 was not statistically different from the control. ZnO NP toxicity was related to zinc ions and to interactions of particle/aggregates with target organisms and therefore to NP behavior in the testing matrix and to the different testing time exposures. PMID- 29199369 TI - Hydraulic connection affects uranium distribution in the Gas Hure salt lake, Qaidam Basin, China. AB - The widespread hydraulic connection is necessary for the formation of a salt lake. However, only limited studies have ever been carried out to investigate the influence of the hydraulic connection on the distribution of elements around certain salt lake. In this study, a total of 66 water samples (including river water, stream water, spring water, brine, intercrystalline brine, well water, and drilling brine) were collected around the Gas Hure salt lake (GSKLH) to investigate the relationship between hydraulic connection and uranium (U) distribution via hydrochemistry and isotope (234U/238U, delta11B) techniques. The results suggested that the GSKLH was recharged by water from the Kulamulekesay and Atetikan rivers, groundwater (borehole brine and some intercrystalline brine), and deep fluid (some intercrystalline brine), with each contributing 44.03%, 14.95%, and 41.02% of total recharge, respectively. The U-bearing rock was dominated mainly by silicates, carbonates, and evaporites in the high mountain area (region 1), overflow area (region 2), and plain area (region 3) of the GSKLH, respectively. In the GSKLH, the U distribution was strongly correlated with hydraulic connection and the U concentration was influenced by both groundwater flow system and flow velocity (represented by the gammaCl-/gammaCa2+ ratio). Thus, U was enriched under the conditions of regional groundwater flow system and slow velocity in the GSKLH. PMID- 29199370 TI - Measuring medication adherence in older community-dwelling patients with multimorbidity. AB - PURPOSE: Older people with several chronic conditions require multiple drugs from different classes to be adequately treated. This study aims to: (i) measure medication adherence across multiple conditions and therapeutic drug groups in older community-dwelling patients, and (ii) examine the effect of multimorbidity on adherence. METHODS: This is a retrospective cohort study of medication adherence in 855 community-dwelling patients aged >= 70 years from 15 practices in Ireland using the Health Service Executive Primary Care Reimbursement Service (HSE-PCRS) pharmacy claims database. Multimorbidity was measured using the RxRisk V and by the number of different drug classes. The RxRisk-V algorithm classifies prescription drug fills into 45 chronic disease classes for older populations based on the WHO Anatomical Therapeutic Chemical classification system. Adherence to medications was assessed by: (i) calculating the average medication possession ratio (MPR) per patient and (ii) an MPR< 80%. RESULTS: The overall median MPR for the cohort was 0.83 (IQR 0.69, 0.91). The conditions with the highest MPRs were hypothyroidism (mean MPR = 0.88, SD = 0.20) and type 2 diabetes (mean MPR = 0.83, SD = 0.19), followed by heart disease. On average, 20-40% of patients were non adherent (MPR < 80%) across all conditions. There was an inverted U-shaped relationship between the mean MPR and number of morbidities and drug classes. Adherence varied per patients' morbidity burden, with higher adherence for certain combinations of chronic conditions. CONCLUSION: In total, 31% of older patients with multimorbidity were non-adherent to their medication but adherence levels varied across treatment categories and chronic conditions. PMID- 29199371 TI - Molecular detection and prevalence of Cryptosporidium spp. infections in two types of domestic farm animals in the Qinghai-Tibetan Plateau Area (QTPA) in China. AB - The objective of this study was to determine the prevalence of Cryptosporidium species infections in young cattle and sheep in the north-eastern part of the Qinghai-Tibetan Plateau Area (QTPA), north-western China. A total number of 454 faecal samples (389 from cattle and 65 from sheep) were collected and investigated to determine the prevalence of Cryptosporidium spp. oocysts. Cryptosporidium spp. infections detected in cattle (n = 56 positive samples) and sheep (n = 4 positive samples) were as following: C. andersoni (16/56, 28.6%) was the dominant species, followed by C. canis (9/56, 16.1%), C. bovis (9/56, 16.1%), C. hominis (8/56, 14.3%), C. struthionis (7/56, 12.5%), C. ryanae (5/56, 8.9%), and C. serpentis (2/56, 3.6%). Two Cryptosporidium species were detected in sheep: C. parvum (2/4) and C. canis (2/4). There were no mixed infections. C. hominis, C. struthionis, and C. serpentis are reported in domestic animals for the first time at the QTPA of China and our results indicate an anthropozoonotic transmission of C. hominis. The identification of Cryptosporidium spp. in domestic animals warrants better care of the farm animals in order to avoid contamination in vulnerable animal and human populations. PMID- 29199372 TI - Comparative assessment of recombinant and native immunogenic forms of Fasciola hepatica proteins for serodiagnosis of sheep fasciolosis. AB - Laboratory diagnosis of sheep fasciolosis is commonly performed by coprological examinations; however, this method may lead to false negative results during the acute phase of the infection. Furthermore, the poor sensitivity of coprological methods is considered to be a paradox in the chronic phase of the infection. In this study, we compared the immunoreactivity of native and recombinant forms of Fasciola hepatica excretory/secretory antigens and determined their capabilities for the development of F. hepatica-specific immunoassays. Immunoreactivity and specificity of recombinant and native forms of F. hepatica antigens, including fatty acid binding protein (FABP), glutathione-S-transferase (GST), and cathepsin L-1 (CL1), in parallel with native forms of FABP and GST, were studied for serodiagnosis of the chronic form of sheep fasciolosis, individually or in combination with each other by enzyme-linked immunosorbent assays (ELISA). The correlation of the findings was assessed by receiver-operator characteristic (ROC); furthermore, the specificity and sensitivity were assessed by Youden's J. Serologic cross-reactivity was evaluated using samples from healthy sheep (n = 40), Fasciola-infected sheep (n = 30), and sheep with other parasitic infections (n = 43). The FABPs were determined to be greater than 95% sensitive for F. hepatica serodiagnosis. The most desirable diagnostic recombinant antigen was rCL1, which showed 100% sensitivity and 97% specificity in ELISA and was capable of discriminating the positive and negative samples by maximum Youden's J results. We conclude that rCL1 can be used for routine serodiagnosis of chronic fasciolosis. Thus, it could be advantageous in development of immunoassays for screening of ovine herds in fasciolosis-endemic areas and as a reliable agent for detection of fasciolosis in non-endemic regions. PMID- 29199374 TI - Who are we and where are we Going: from Past Myths to Present Politics. AB - Social groups, and the social identities which people develop as part of them, are often experienced as stable and continuous over time. Thus, countries experiencing rapid socio-political change often face the challenge of re constructing the meaning of the social group to adapt to the demands of the present, while simultaneously making this re-construction appear as a natural progression of 'our' historical journey. In the present paper, I ask the question of how, in times of socio-political change, the past is used in the present, and the implications this has for how individuals represent their nation's future. Drawing on Serbia and its political movement towards EU integration, the present article illustrates how developed and legitimized historical narratives, linked to the myth of origin of a nation, become utilized to frame present challenges. In doing so, it allows for uncertainties in the present to become anchored in established historical narratives, which in turn have consequences for which political actions are deemed acceptable and legitimate for the future. PMID- 29199373 TI - Dentoskeletal and soft tissue changes in class II subdivision treatment with asymmetric extraction protocols. AB - BACKGROUND: This study cephalometrically compared the dentoskeletal and soft tissue changes consequent to one and three-premolar extraction protocols of class II subdivision malocclusion treatment. METHODS: A sample of 126 lateral cephalometric radiographs from 63 patients was selected and divided into two groups. Group 1 consisted of 31 type 1 class II subdivision malocclusion patients treated with asymmetric extractions of two maxillary premolars and one mandibular premolar on the class I side, with an initial mean age of 13.58 years. Group 2 consisted of 32 type 2 class II subdivision malocclusion patients treated with asymmetric extraction of one maxillary first premolar on the class II side, with an initial mean age of 13.98 years. t test was used for intergroup comparison at the pre- and posttreatment stages and to compare the treatment changes. RESULTS: Group 1 had greater maxillomandibular sagittal discrepancy reduction and greater maxillary first molar extrusion. Group 2 had mandibular incisor labial inclination and protrusion, and group 1 had mandibular incisor lingual inclination and retraction. Maxillary molar asymmetry increased in group 2, while mandibular molar asymmetry increased in group 1. CONCLUSIONS: The treatment changes produced by these two class II subdivision protocols are different to adequately satisfy the different needs for types 1 and 2 class II subdivision malocclusions. PMID- 29199375 TI - Using percolation networks to incorporate spatial-dose information for assessment of complication probability in radiotherapy. AB - This study investigates an extension of recent cluster based methods of assessing the probability of complication in normal organs following radiotherapy treatment which delivers a spatially non-uniform radiation dose distribution. Current methods of assessing this complication probability are spatially degenerate and do not adequately assess the contiguity of damage done to tissue. Therefore, new measures of assessing complication after radiation exposure have been proposed for parallel and serial type organs. In parallel organs an interaction between cells within a functional subunit is stipulated and complication is regarded as a weighted sum of all clusters in the organ. This allows the assessment to account for all damage to the tissue whilst emphasising the importance of damage that accumulates into large and connected spatial regions addressing a deficiency in the current method of calculating complication probabilities. Several spatially varying doses were analysed and simulated in silico. The simulations produce complication risk estimates for homogeneous dose distributions that are comparable to empirical results but which deviate with any dose inhomogeneity. The simulations also show that the standard method of dose transformation to an effective uniform dose is not valid in cluster based models. PMID- 29199376 TI - Total Fatty Acid Content Determination of Whole Microalgal Biomass Using In Situ Transesterification. AB - The aliphatic chains of fatty acids are the most prominent and potentially the highest value precursor constituents of algal biomass, and thus accurately quantifying the algal biomass total fatty acid content is a prerequisite for comparing algal strains, growth conditions, and processes. Direct, acid-catalyzed transesterification of whole microalgal biomass is a simple, effective, and widely used method to determine the fatty acid content in whole algal biomass. Such a direct transesterification procedure typically covers the following steps: first, solubilizing the lipids in the biomass matrix and then liberating the fatty acids to make these available for catalytic upgrading to fatty acid methyl esters (FAMEs), subsequent extraction into hexane, and then quantification by gas chromatography. The method we describe here requires less than 10 mg of biomass per sample and is considered high-throughput and highly accurate. PMID- 29199377 TI - Total Carbohydrate Content Determination of Microalgal Biomass by Acid Hydrolysis Followed by Spectrophotometry or Liquid Chromatography. AB - The carbohydrate fraction of microalgal biomass is complex and consists of a combination of neutral, acidic, amino sugars, and sugar alcohols. These carbohydrate amalgamations can be difficult to accurately quantify with the most analytical carbohydrate determination techniques. The method described here provides a straightforward two-step sulfuric acid hydrolysis followed by soluble carbohydrate quantification by either a spectrophotometric method (based on aldehyde functional group derivatization), for an overall combined monomeric sugar concentration determination, or a liquid chromatography method, for a more specific monomeric sugar profile. PMID- 29199378 TI - Distribution of pathogenicity island markers and virulence factors in new phylogenetic groups of uropathogenic Escherichia coli isolates. AB - The present study was aimed at investigating the relationship between the new Clermont's phylogenetic groups, virulence factors, and pathogenicity island markers (PAIs) among uropathogenic Escherichia coli (UPEC) in Iran. This cross sectional study was carried out on 140 UPEC isolates collected from patients with urinary tract infections in Bushehr, Iran. All isolates were subjected to phylogenetic typing using a new quadruplex-PCR method. The presence of PAI markers and virulence factors in UPEC strains was evaluated by multiplex PCR. The most predominant virulence gene was fimH (85%), followed by iucC (61.4%), papC (38.6%), hlyA (22.1%), cnf-1 (18.6%), afa (10.7%), papG and neuC (each 9.3%), ibeA (3.6%), and sfa/foc (0.7%). The most common phylogenetic group was related to B2 (39.3%), and the least common to A (0.7%). The most prevalent PAI marker was PAI IV536 (77.14%), while markers for PAI III536 (13.57%), PAI IIJ96 (12.86%), and PAI II536 (12.14%) were the least frequent among the UPEC strains. Meanwhile, the PAI IJ96 marker was not detected. There was a significant association between the phylogenetic group B2 and all the studied virulence genes and PAI markers. To our knowledge, this is the first study to compare the relationship between new phylogenetic groups, virulence genes and PAI markers in UPEC strains in Iran. The phylogenetic group B2 was predominantly represented among the studied virulence genes and PAI markers, indicating the preference of particular strains to carry virulence genes. PMID- 29199379 TI - Mini-subvastus versus medial parapatellar approach for total knee arthroplasty: a prospective randomized controlled study. AB - PURPOSE: Whether minimally invasive total knee arthroplasty (MIS-TKA) could offer better and faster recovery without the deviation of post-operative prosthesis position and limb alignment is still controversial. This prospective and randomized study was conducted to compare the clinical and radiological outcomes between patients who underwent the mini-subvastus approach of MIS-TKA and those who underwent the medial parapatellar approach of traditional TKA. METHODS: Fifty patients, including 50 knees, who required TKA due to osteoarthritis were randomized to the mini-subvastus group (group I) or the medial parapatellar group (group II). All patients accepted the same method of anaesthesia, equal support therapy and identical rehabilitation exercise after surgery. The evaluation system included operation time, tourniquet time, blood loss, skin incision length in flexion, straight leg raising time, the time of lower limb muscle strength up to grade 4, the time of walking with aid or without aid, the time of walking up and down the stairs, the active flexion angle, range of movement (ROM), the Knee Society Scores (KSS), visual analogue score for pain (VAS), hospital stays and radiographic outcomes. RESULTS: The mini-subvastus approach offered smaller skin incision length in flexion, but at the cost of operation time (P < 0.001). No significant difference was found in tourniquet time and blood loss. The patients in group I could achieve straight leg raising, the lower limb muscle strength up to grade 4, walking with or without aid, and walking up and down the stairs earlier (P < 0.001). The active flexion angle, ROM, VAS and KSS in group I were superior to those in group II until six months post-operatively (P < 0.001), but the differences was not apparent at 12 months post-operatively. More importantly, there was no significant difference between the two groups on radiological outcomes (P > 0.05). CONCLUSIONS: The mini-subvastus approach could offer faster recovery, less pain and shorter hospital stays without compromising the principles of proper prosthesis position and limb alignment compared with the medial parapatellar approach. PMID- 29199380 TI - Liver resection for HCC outside the BCLC criteria. AB - PURPOSE: Surgical resection still remains the mainstay of management of hepatocellular carcinoma (HCC). At present, Barcelona clinic liver cancer (BCLC) staging is the most widely used tool to guide treatment; however, criteria for offering surgery as curative treatment are restrictive. We aimed to evaluate short-term and long-term outcomes of HCC after resection, even for patients outside BCLC criteria for resection. METHODS: Data was collected from a prospective database from GI and HPB Department, Tata Memorial Hospital, Mumbai. Study period was from June 2010 to June 2015. RESULTS: One hundred three patients of HCC were operated during this period, of which 100 underwent complete resection. Patients were staged according to the BCLC classification (BCLC stage A-25, B-64, C-11). Preoperative therapy was administered in 36 (36%) patients. At median follow-up of 21 months, overall 3-year survival for BCLC stages A, B, and C was 55.2, 62.7, and 37.5%, respectively. CONCLUSION: In today's era of liver transplantation, resection (especially for larger tumors) may still be the preferred treatment option, considering problems and difficulties in donor availability, cost, and long waiting list for liver transplant. With evolving modern surgical technique, long-term survival benefit can be achieved with acceptable safety in most BCLC stage B and selected BCLC stage C patients and those who either do not fit into the transplant criteria or cannot afford transplant. Carefully designed trials are required to further elucidate these results. PMID- 29199382 TI - Correction to: Prevalence of HIV-1 transmitted drug resistance in recently infected, treatment-naive persons in the Southwest of Iran, 2014-2015. AB - The author would like to correct the error in the online published article. The correct details are given below for your reading. PMID- 29199381 TI - Neurosurgical management of cavernous malformations located at the foramen of Monro. AB - Cavernous malformations (CMs) located at the foramen of Monro (FM) are relatively rare benign vascular malformations. Knowledge of FM CM is poor. The aims of this study were to describe the incidence, clinical presentation, radiological features, surgical approaches, and neurological outcomes for FM CM patients and to discuss the treatment strategy for this disease. We present a series of nine FM CM patients (four males, five females; mean age 29.3 years) who were treated at a single neurosurgical center. FM CM accounted for 0.56% of the entire series of the central nervous system (CNS) CMs. Headache accompanied by nausea and vomiting was the most common initial symptom (55.6%). The mean preoperative Karnofsky Performance Scale (KPS) score was 84.4 (range 70-100). In all but one patient, the lesions were surgically resected. Postoperatively, two patients developed obstructive hydrocephalus, and one experienced motor aphasia and right hemiparesis. At the time of discharge, the KPS score improved to a mean of 88.9. Follow-up period after diagnosis was 18 to 131 months (mean 69.7 months); all the patients were considered to be in excellent clinical condition. FM CMs are rare and challenging lesions; they have a female predilection. The most common clinical manifestations of FM CM are the symptoms of mass effect. The seizure risk of FM CMs seems to be significantly lower than that of general intraventricular CMs. Early surgical intervention should be offered to symptomatic cases, and gross total resection is associated with favorable neurological outcomes. PMID- 29199383 TI - Combined corticosterone treatment and chronic restraint stress lead to depression associated with early cognitive deficits in mice. AB - Many models, such as chronic mild stress, chronic stress or chronic corticosterone injections are used to induce depression associated with cognitive deficits. However, the induction period in these different models is still long and face constraints when it is short such as in the chronic mild stress done in a minimum period of 21 days. This study aimed to characterize a model of depression with early onset cognitive deficit. 14 days combined chronic injection of corticosterone followed by 2 h restraint stress using a restrainer was used to induce depression with early cognitive deficit onset. The forced swim test, sucrose test and plasma corticosterone concentration were used to assess depression-like characteristics. The Morris water maze, novel object recognition task, as well as hippocampal acetylcholinesterase activity were used to assess cognitive deficit. The combined corticosterone injection + chronic restraint stress group presented with marked depression-like behaviour and a higher plasma corticosterone concentration compared to corticosterone injection alone and restraint stress alone. It also showed an alteration in the learning process, memory deficit as well as increased acetylcholinesterase activity compared to corticosterone injection and restraint stress alone groups. These findings suggest that the combined corticosterone administration and chronic restraint stress can be used not only as an animal model for severe depression, but also for depression with early onset cognitive deficit. PMID- 29199384 TI - Low-intensity LED therapy (658 nm) on burn healing: a series of cases. AB - The objective of this study was to evaluate the effects of LED on burns healing. Five patients with skin burns were submitted to photobiomodulation by LED, GaAsIP diode, (lambda 658 nm) with 40 mW, 7 J/cm2 on every other day. Biopsies of burned skin were performed and the healing process was photographed. Patients with bilateral burns were used as self-control, having one limb being irradiated and the contralateral limb irradiated with placebo. The burns treated with LED showed higher epithelization, with keratinocytes and fibroblasts proliferation, increased collagen synthesis, decreased pain, and pruritus. In conclusion, there was a faster clinical improvement in the irradiated limbs. PMID- 29199386 TI - Triangle of AKT2, miRNA, and Tumorigenesis in Different Cancers. AB - AKT (AK mouse plus Transforming or Thymoma) is a frequent oncogene expressed in most tissues which includes three isoforms AKT1, AKT2, and AKT3. Hyperactivation of AKT signaling is a central key in many human cancer progressions, through modulating angiogenesis, tumor growth, and cell migration, invasion, metastasis, and chemoresistance. Among all three isoforms, AKT2 is most related to cancer cell invasion, metastasis, and survival. Amplification and overexpression of AKT2 have been shown in many cancers. Accumulating evidence shows the potential role of different miRNA involvements in cancer progression by activating or suppressing AKT2 expression. In an in-depth literature review, we focus on the role of AKT2 activation and its consequences on the tumor progression in different cancers. In addition, we describe the function of numerous AKT2-related miRNAs which are important in various cancers as diagnostic, prognostic, and therapeutic markers. PMID- 29199385 TI - Resistance exercise enhances oxygen uptake without worsening cardiac function in patients with systolic heart failure: a systematic review and meta-analysis. AB - Recent literature suggests that resistance training (RT) improves peak oxygen uptake ([Formula: see text] peak), similarly to aerobic exercise (AE) in patients with heart failure (HF), but its effect on cardiac remodeling is controversial. Thus, we examined the effects of RT and AE on [Formula: see text] peak and cardiac remodeling in patients with heart failure (HF) via a systematic review and meta-analysis. MEDLINE, EMBASE, Cochrane Library and CINAHL, AMEDEO and PEDro databases search were extracted study characteristics, exercise type, and ventricular outcomes. The main outcomes were [Formula: see text] peak (ml kg-1 min-1), LVEF (%) and LVEDV (mL). Fifty-nine RCTs were included. RT produced a greater increase in [Formula: see text] peak (3.57 ml kg-1 min-1, P < 0.00001, I 2 = 0%) compared to AE (2.63 ml kg-1 min-1, P < 0.00001, I 2 = 58%) while combined RT and AE produced a 2.48 ml kg-1 min-1 increase in [Formula: see text]; I 2 = 69%) compared to control group. Comparison among the three forms of exercise revealed similar effects on [Formula: see text] peak (P = 0.84 and 1.00, respectively; I 2 = 0%). AE was associated with a greater gain in LVEF (3.15%; P < 0.00001, I 2 = 17%) compared to RT alone or combined exercise which produced similar gains compared to control groups. Subgroup analysis revealed that AE reduced LVEDV (- 10.21 ml; P = 0.007, I 2 = 0%), while RT and combined RT and AE had no effect on LVEDV compared with control participants. RT results in a greater gain in [Formula: see text] peak, and induces no deleterious effects on cardiac function in HF patients. PMID- 29199387 TI - Early marginal bone stability of dental implants placed in a transalveolarly augmented maxillary sinus: a controlled retrospective study of surface modification with calcium ions. AB - BACKGROUND: Recently, components of the extracellular cellular matrix have been assessed to enhance the biological response to dental implants. This study aims to assess the effect of surface modification with calcium ions on the early marginal bone loss of dental implants placed in a transalveolarly augmented maxillary sinus. METHODS: A retrospective study of transalveolar sinus floor augmentation was conducted in a single private dental clinic. The predictor variable was the surface of the dental implant. The primary outcome was the marginal bone loss. The secondary outcomes were the intraoperative complications and the dental implant failure. Descriptive analysis was performed for patients' demographic data and implant details. RESULTS: Fifty-one patients with a mean age of 58 +/- 11 years had a mean follow-up time of 13 months. Thirty-four dental implants had a Ca2+-modified hydrophilic surface, and 31 had no Ca2 (control). The experimental group showed a statistically significant lower marginal bone loss (0.36 +/- 0.42 vs 0.61 +/- 0.39 mm). However, there were no statistically significant differences in the implant survival. No implant failed in the experimental group while two implants failed in the control group. CONCLUSIONS: The modification of an acid-etched surface with calcium ions seems to reduce the marginal bone remodeling around the dental implants, placed after transalveolar sinus floor elevation. PMID- 29199388 TI - Efficacy and safety of stress ulcer prophylaxis in critically ill patients: a network meta-analysis of randomized trials. AB - PURPOSE: Stress ulcer prophylaxis (SUP) is commonly prescribed in the intensive care unit. However, data from systematic reviews and conventional meta-analyses are limited by imprecision and restricted to direct comparisons. We conducted a network meta-analysis of randomized clinical trials (RCTs) to examine the safety and efficacy of drugs available for SUP in critically ill patients. METHODS: We searched MEDLINE, EMBASE, and the Cochrane Library Central Register of Controlled Trials through April 2017 for randomized controlled trials that examined the efficacy and safety of proton pump inhibitors (PPIs), histamine-2 receptor antagonists (H2RAs), and sucralfate for SUP in critically ill patients. No date or language restrictions were applied. Data on study characteristics, methods, outcomes, and risk of bias were abstracted by two reviewers. RESULTS: Of 96 potentially eligible studies, we included 57 trials enrolling 7293 patients. The results showed that PPIs are probably more effective for preventing clinically important gastrointestinal bleeding (CIB) than H2RAs [odds ratio (OR) 0.38; 95% confidence interval (95% CI) 0.20, 0.73], sucralfate (OR 0.30; 95% CI 0.13, 0.69), and placebo (OR 0.24; 95% CI 0.10, 0.60) (all moderate quality evidence). There were no convincing differences among H2RA, sucralfate, and placebo. PPIs probably increase the risk of developing pneumonia compared with H2RAs (OR 1.27; 95% CI 0.96, 1.68), sucralfate (OR 1.65; 95% CI 1.20, 2.27), and placebo (OR 1.52; 95% CI 0.95, 2.42) (all moderate quality). Mortality is probably similar across interventions (moderate quality). Estimates of baseline risks of bleeding varied significantly across studies, and only one study reported on Clostridium difficile infection. Definitions of pneumonia varied considerably. Most studies on sucralfate predate pneumonia prevention strategies. CONCLUSIONS: Our results provide moderate quality evidence that PPIs are the most effective agents in preventing CIB, but they may increase the risk of pneumonia. The balance of benefits and harms leaves the routine use of SUP open to question. PMID- 29199389 TI - Development and Evaluation of a Telephone Communication Protocol for the Delivery of Personalized Melanoma Genomic Risk to the General Population. AB - Communicating personalized genomic risk results for common diseases to the general population as a form of tailored prevention is novel and may require alternative genetic counseling service delivery models. We describe the development and evaluation of a communication protocol for disclosing melanoma genomic risk information to the asymptomatic general population and assess participants' satisfaction and acceptability. Participants (n = 117) were aged 22 69 years, living in New South Wales, Australia and unselected for family history. They provided a saliva sample and had genomic testing for melanoma for low to moderate penetrant melanoma susceptibility variants in 21 genes. Participants could choose to receive their results from a genetic counselor via telephone, followed by a mailed booklet or to receive their risk result via mailed booklet only with a follow-up call for those at high risk. A follow-up questionnaire was completed by 85% of participants 3-months later. Most participants (80%) elected to receive their result via telephone. Participants were highly satisfied with the delivery of results (mean 3.4 out of 4, standard deviation 0.5), and this did not differ by delivery mode, risk category, age or sex. On follow-up, 75% accurately recalled their risk category, 6% indicated a preference for a different delivery mode, either electronic or face-to-face. The process of disclosing genomic risk results to the general population over the telephone with accompanying written material was feasible and acceptable, and may be useful for communicating polygenic risk for common diseases in the context of increasing demands for genomic testing. PMID- 29199391 TI - Variations in the practice of molecular radiotherapy and implementation of dosimetry: results from a European survey. AB - BACKGROUND: Currently, the implementation of dosimetry in molecular radiotherapy (MRT) is not well investigated, and in view of the Council Directive (2013/59/Euratom), there is a need to understand the current availability of dosimetry-based MRT in clinical practice and research studies. The aim of this study was to assess the current practice of MRT and dosimetry across European countries. METHODS: An electronic questionnaire was distributed to European countries. This addressed 18 explicitly considered therapies, and for each therapy, a similar set of questions were included. Questions covered the number of patients and treatments during 2015, involvement of medical specialties and medical physicists, implementation of absorbed dose planning, post-therapy imaging and dosimetry, and the basis of therapy prescription. RESULTS: Responses were obtained from 26 countries and 208 hospitals, administering in total 42,853 treatments. The most common therapies were 131I-NaI for benign thyroid diseases and thyroid ablation of adults. The involvement of a medical physicist (mean over all 18 therapies) was reported to be either minority or never by 32% of the responders. The percentage of responders that reported that dosimetry was included on an always/majority basis differed between the therapies and showed a median value of 36%. The highest percentages were obtained for 177Lu-PSMA therapy (100%), 90Y microspheres of glass (84%) and resin (82%), 131I-mIBG for neuroblastoma (59%), and 131I-NaI for benign thyroid diseases (54%). The majority of therapies were prescribed based on fixed-activity protocols. The highest number of absorbed-dose based prescriptions were reported for 90Y microsphere treatments in the liver (64% and 96% of responses for resin and glass, respectively), 131I-NaI treatment of benign thyroid diseases (38% of responses), and for 131I-mIBG treatment of neuroblastoma (18% of responses). CONCLUSIONS: There is a wide variation in MRT practice across Europe and for different therapies, including the extent of medical-physicist involvement and the implementation of dosimetry-guided treatments. PMID- 29199392 TI - Porous titanium granules in the treatment of peri-implant osseous defects-a 7 year follow-up study. AB - BACKGROUND: A great number of different treatment protocols for peri-implantitis have been suggested but there is no consensus regarding the most effective intervention. The aim of the present study was to evaluate the long-term clinical and radiographic results from a study on peri-implant osseous defect reconstruction. Patients having participated in a randomized clinical study 7 years earlier were invited for a re-examination. The treatment procedures included open flap debridement (OFD) with or without defect reconstruction with porous titanium granules (PTGs). Clinical parameters (probing pocket depth and bleeding on probing) and radiographic measurements were registered. FINDINGS: Of the original 32 patients, 12 patients with 12 implants were finally examined after 7 years (7.3 years [6.7-8]). Patients had been maintained one to two times yearly. The PTG group showed a mean probing pocket depth of 4.3 mm +/- 2.4 compared with 3.5 mm +/- 1.2 in the OFD group, at the deepest site. The change between the 12 months and the 7-year examination was similar in both groups. Five of the test implants and five of the control implants had at least one site with positive bleeding on probing score. The mean radiographic defect depth change as compared to 12 months was an increase of 1.9 mm +/- 2.0 in the PTG group and a mean radiographic defect depth increase of 1.3 mm +/- 1.4 in the OFD group. Due to the small number of patients, a statistical analysis was not performed, but the results indicated a minimal difference in osseous defect depth as compared with baseline and between groups. No PTG exposed to the oral cavity was observed, but the graft particles were seemingly scattered in the peri-implant soft tissue. CONCLUSIONS: This long-term follow-up of surgical treatment of peri-implant osseous defects showed unpredictable results. PMID- 29199393 TI - A public health outbreak management framework applied to surges in opioid overdoses. AB - Over the past decade, Canada and the United States have been facing an epidemic of harms from prescription opioids. More recently, opioid-naive individuals have been exposed to illicit opioids through adulterated combination products. This has resulted in sudden surges of opioid-related mortality. A proactive public health solution is needed to prevent further death. We propose examining these surges in opioid overdoses as outbreaks and investigating them in a similar way to an outbreak of an infectious disease. An epidemiologic investigation model for opioid overdose outbreaks, that could be modified by other public health agencies, is discussed. PMID- 29199390 TI - Autoimmune/inflammatory syndrome induced by adjuvants-ASIA-related to biomaterials: analysis of 45 cases and comprehensive review of the literature. AB - Systemic autoimmune or granulomatous disorders related to biomaterials of human use have rarely been described. The aim of this study was to report cases of autoimmune/inflammatory syndrome induced by adjuvants (ASIA) related to biomaterial injections and prostheses, mainly silicone, hyaluronic acid, acrylamides and methacrylate compounds in a Spanish patient cohort. This study is a retrospective analysis of clinical, laboratory, histopathological and follow-up data of 45 cases of patients suffering from late-onset, non-infectious inflammatory/autoimmune disorders related to bioimplants. Late onset was defined as 3 months or more post injection. Data were obtained through a further non systematic but comprehensive review of the literature. Forty-five cases of late onset adverse reactions related to biomaterial injections or prostheses were reviewed. All cases had systemic complaints that could be categorised as ASIA. In all but four patients, inflammatory features at the implantation site preceded distant or systemic manifestations. Abnormal blood tests were common. Localised inflammatory nodules and panniculitis in 40/45 (88.88%) evolved into a variety of disorders, viz., primary biliary cirrhosis, Sjogren's syndrome, sarcoidosis, human adjuvant disease, vasculitis, inflammatory bowel syndrome and inflammatory polyradiculopathy. Five (11.11%) cases presented primarily with systemic autoimmune disorders. Biomaterials and prostheses can provoke late-onset systemic autoimmune disorders fulfilling ASIA criteria, or present primarily local/regional inflammatory reactions that may eventually evolve into systemic autoimmune and/or granulomatous disorders which fall under ASIA. PMID- 29199394 TI - Trends in Florida's Prescription Drug Monitoring Program registration and utilization: Implications for increasing voluntary use. AB - OBJECTIVE: Effective use of state prescription drug monitoring programs (PDMPs) to track controlled substance prescribing and dispensing may help mitigate the current opioid crisis. Our objective was to examine trends in registration for and use of Florida's PDMP by physicians and pharmacists, from 2013 to 2016. We discuss implications for PDMP uptake and policy. DESIGN: Key measures, such as cumulative number of registrants per license type and monthly utilization intensity, are presented. A time series forecasting approach was used to (1) model the monthly count of new PDMP registrants and users from January 2013 to December 2016 and (2) estimate cumulative registration totals after 1 year. SETTING: Florida. RESULTS: As of November 2016, there were 16,498 physicians (representing 31 percent of Drug Enforcement Administration licensees) and 17,241 pharmacists registered with the PDMP, representing 21 and 57 percent of professional licensees, respectively. Of note, the PDMP's designation as a "specialized registry" for electronic medical record "meaningful use" criteria led to a nearly sevenfold increase in physician registrations in a single month. In November 2016, pharmacists displayed a higher past-month PDMP utilization rate (52.2 percent vs 30.1 percent), while physicians displayed a higher past-month PDMP utilization intensity (58.1 vs. 36.1 queries per user). Approximately 25,000 physicians and 31,000 pharmacists must register by the end of 2017 to meet national policy goals. CONCLUSION: PDMP registration among physicians and pharmacists is limited, and the use of the PDMP among registrants is more limited still. Our findings suggest that Florida will not meet national policy goals for registrants by the end of 2017, although new initiatives may alter this trend. Allowing the PDMP to help prescribers meet other professional needs, such as "meaningful use" or similar efforts, may be effective in increasing PDMP use. PMID- 29199395 TI - Projecting the cost, utilization, and patient care impact of prescribing extended release non-abuse-deterrent opioids to chronic pain patients. AB - OBJECTIVES: To estimate healthcare resource utilization, associated costs, and number needed to harm (NNH) from a physician's decision to prescribe extended release (ER) non-abuse-deterrent opioids (non-ADO) as compared to ER ADOs in a chronic pain population. DESIGN: A 12-month probabilistic simulation model was developed to estimate the reduction of misuse and/or abuse from a physician's prescribing decisions for 10,000 patients. Model inputs included probabilities for opioid misuse and/or abuse-related events, opioid discontinuation, and switching from ADO to non-ADO. Estimated reductions in abuse associated with ADOs were obtained from positive subjective measures using human abuse liability studies. The model was run separately for commercial, Medicare, Medicaid, and Veterans Administration (VA) populations. The difference in healthcare resource utilization and associated costs (2015 USD) between the ADO and non-ADO simulations was calculated. NNH for non-ADO was also calculated. RESULTS: Misuse and/or abuse-related events for patients prescribed ER non-ADOs ranged from 223 1,410 and associated costs ranged from $20-$98 per patient for commercial and Medicare populations, respectively. Prescribing ER ADOs were associated with 87, 289, 264, and 417 fewer misuse and/or abuse-related events, saving $8, $35, $21, and $29 per patient in commercial, VA, Medicaid, and Medicare populations, respectively. NNH ranged from 185 in the commercial population to 40 in the Medicare population. Results were sensitive to decreases in the probability of misuse and/or abuse events but showed reductions. CONCLUSIONS: A physician's decision to prescribe ER ADOs could lead to large reductions in misuse and/or abuse-related events and associated costs across many patient populations. PMID- 29199396 TI - Educational intervention for physicians to address the risk of opioid abuse. AB - OBJECTIVE: To evaluate the impact of a pilot intervention for physicians to support their treatment of patients at risk for opioid abuse. SETTING, DESIGN AND PATIENTS, PARTICIPANTS: Patients at risk for opioid abuse enrolled in Medicare plans were identified from July 1, 2012 to April 30, 2014 (N = 2,391), based on a published predictive model, and linked to 4,353 opioid-prescribing physicians. Patient-physician clusters were randomly assigned to one of four interventions using factorial design. INTERVENTIONS: Physicians received one of the following: Arm 1, patient information; Arm 2, links to educational materials for diagnosis and management of pain; Arm 3, both patient information and links to educational materials; or Arm 4, no communication. MAIN OUTCOME MEASURES: Difference-in difference analyses compared opioid and pain prescriptions, chronic high-dose opioid use, uncoordinated opioid use, and opioid-related emergency department (ED) visits. Logistic regression compared diagnosis of opioid abuse between cases and controls postindex. RESULTS: Mailings had no significant impact on numbers of opioid or pain medications filled, chronic high-dose opioid use, uncoordinated opioid use, ED visits, or rate of diagnosed opioid abuse. Relative to Arm 4, odds ratios (95% CI) for diagnosed opioid abuse were Arm 1, 0.95(0.63-1.42); Arm 2, 0.83(0.55-1.27); Arm 3, 0.72(0.46-1.13). While 84.7 percent had >=1 psychiatric diagnoses during preindex (p = 0.89 between arms), only 9.5 percent had >=1 visit with mental health specialists (p = 0.53 between arms). CONCLUSIONS: Although this intervention did not affect pain-related outcomes, future interventions involving care coordination across primary care and mental health may impact opioid abuse and improve quality of life of patients with pain. PMID- 29199397 TI - Opioid tolerance and urine drug testing among initiates of extended-release or long-acting opioids in Food and Drug Administration's Sentinel System. AB - OBJECTIVE: A risk evaluation and mitigation strategy for extended-release and long-acting (ER/LA) opioid analgesics was approved by the Food and Drug Administration in 2012. Our objective was to assess frequency of opioid tolerance and urine drug testing for individuals initiating ER/LA opioid analgesics. DESIGN: Retrospective cohort study. SETTING: Sentinel, a distributed database with electronic healthcare data on >190 million predominantly commercially insured members. PATIENTS, PARTICIPANTS: Members under age 65 initiating ER/LA opioid analgesics between January 2009 and December 2013. MAIN OUTCOME MEASURE(S): We examined the proportion of opioid-tolerant-only ER/LA opioid analgesic initiates meeting tolerance criteria: receipt of >=30 mg oxycodone equivalents per day in 7 days prior to the first opioid-tolerant-only dispensing. We separately examined the proportion of new users of extended-release oxycodone (ERO) and other ER/LA opioid analgesics with a claim for a urine drug test in the 30 days prior to, and separately for the 183 days after, dispensing. RESULTS: We identified 79,824 ERO, 7,343 extended-release hydromorphone, and 91,778 transdermal fentanyl opi-oid-tolerant-only episodes. Tolerance criteria were met in 64 percent of ERO, 64 percent of extended-release hydromorphone and 40 percent of transdermal fentanyl episodes. We identified 210,581 incident ERO and 311,660 other ER/LA opioid analgesic episodes. Use of urine drug testing for ERO compared with other ER/LA opioid analgesics was: 4 percent vs 14 percent respectively in the 30 days prior to initiation and 9 percent vs 23 percent respectively in the 183 days following initiation. CONCLUSIONS: These results suggest potential areas for improving appropriate ER/LA opioid analgesic prescribing practices. PMID- 29199398 TI - Tramadol for maintenance in opioid dependence: A retrospective chart review. AB - BACKGROUND AND AIMS: Tramadol is an opioid agonist which can be potentially used for maintenance treatment of patients with opioid use disorders. This chart review presents the characteristics of individuals with an ICD 10 diagnosis of opioid dependence who were maintained on tramadol for a period of at least 6 months. METHODS: Records of patients seeking treatment for opioid dependence from the outpatient clinic of the National Drug Dependence Treatment Centre, Ghaziabad, India were screened. One hundred consecutive patients who received tramadol for more than 6 months were included. RESULTS: The sample comprised exclusively of males and had a mean age of 40.9 years. The median dose of tramadol at initiation and continuation was 300 mg/day. Sixty-two patients achieved complete abstinence during the course of treatment. Greater age, longer duration of opioid use, and better follow-up adherence were associated with abstinent status. The rates of abstinence were higher among those presenting with natural opioid use as compared to others (prescription opioid use or heroin use). CONCLUSION: Tramadol can be an alternative medication for harm reduction in select group of patients with opioid dependence. Further research is required to strengthen the evidence base of rational use of tramadol for maintenance treatment of patients with opioid dependence. PMID- 29199399 TI - The effect of toothpicks containing flavoring and flavoring plus jambu extract (spilanthol) to promote salivation in patients -diagnosed with opioid-induced dry mouth (xerostomia). AB - OBJECTIVE: To determine if the use of toothpicks infused with flavoring and flavoring plus the food additive spilanthol (XerosticksTM) improve saliva flow in people with opioid-induced dry mouth. DESIGN: Time series, nonrandomized, double blind within-subject design. SETTING: Private practice/academic multidisciplinary pain and palliative care clinic. PARTICIPANTS: Ten subjects with opioid-induced dry mouth were recruited, and all finished the study. METHODS: Salivary flow and pH were measured consecutively at baseline, following use of a mango-flavored toothpick, and again after use of a mango-flavored toothpick infused with spilanthol. Salivary flow rates and saliva pH were compared between flavored and baseline, between flavored + spilanthol and baseline, and between the flavored and flavored + spilanthol. Mouthfeel of each toothpick was assessed using the Bluestone Mouthfeel Questionnaire. OUTCOMES: The primary measure was salivary flow, and the secondary measures were salivary pH and mouthfeel. RESULTS: Saliva flow increased 440 percent over baseline with use of a flavored toothpick and 628 percent over baseline with similarly flavored toothpicks infused with spilanthol, and these differences are significant (p = 0.00002). Saliva pH increased with both toothpicks (p = 0.04). The addition of spilanthol produced a greater increase in salivary flow (p = 0.05) compared to control toothpicks with flavoring alone. Furthermore, addition of spilanthol improved the "mouthfeel" of the toothpick (p = 0.00001). CONCLUSIONS: Toothpicks infused with either flavoring or flavoring plus spilanthol are likely to be an effective remedy for opioid-induced dry mouth. Addition of spilanthol may improve effectiveness over flavoring alone and may be better ac-cepted because spilanthol appears to improve mouthfeel. PMID- 29199401 TI - Factors Associated with Postoperative Diabetes Insipidus after Pituitary Surgery. AB - BACKGROUND: Determining risk factors for diabetes insipidus (DI) after pituitary surgery is important in improving patient care. Our objective is to determine the factors associated with DI after pituitary surgery. METHODS: We reviewed records of patients who underwent pituitary surgery from 2011 to 2015 at Philippine General Hospital. Patients with preoperative DI were excluded. Multiple logistic regression analysis was performed and a predictive model was generated. The discrimination abilities of the predictive model and individual variables were assessed using the receiving operator characteristic curve. RESULTS: A total of 230 patients were included. The rate of postoperative DI was 27.8%. Percent change in serum Na (odds ratio [OR], 1.39; 95% confidence interval [CI], 1.15 to 1.69); preoperative serum Na (OR, 1.19; 95% CI, 1.02 to 1.40); and performance of craniotomy (OR, 5.48; 95% CI, 1.60 to 18.80) remained significantly associated with an increased incidence of postoperative DI, while percent change in urine specific gravity (USG) (OR, 0.53; 95% CI, 0.33 to 0.87) and meningioma on histopathology (OR, 0.05; 95% CI, 0.04 to 0.70) were significantly associated with a decreased incidence. The predictive model generated has good diagnostic accuracy in predicting postoperative DI with an area under curve of 0.83. CONCLUSION: Greater percent change in serum Na, preoperative serum Na, and performance of craniotomy significantly increased the likelihood of postoperative DI while percent change in USG and meningioma on histopathology were significantly associated with a decreased incidence. The predictive model can be used to generate a scoring system in estimating the risk of postoperative DI. PMID- 29199400 TI - Disease-Specific Mortality of Differentiated Thyroid Cancer Patients in Korea: A Multicenter Cohort Study. AB - BACKGROUND: Little is known regarding disease-specific mortality of differentiated thyroid cancer (DTC) patients and its risk factors in Korea. METHODS: We retrospectively reviewed a large multi-center cohort of thyroid cancer from six Korean hospitals and included 8,058 DTC patients who underwent initial surgery between 1996 and 2005. RESULTS: Mean age of patients at diagnosis was 46.2+/-12.3 years; 87% were females. Most patients had papillary thyroid cancer (PTC; 97%) and underwent total thyroidectomy (85%). Mean size of the primary tumor was 1.6+/-1.0 cm. Approximately 40% of patients had cervical lymph node (LN) metastases and 1.3% had synchronous distant metastases. During 11.3 years of follow-up, 150 disease-specific mortalities (1.9%) occurred; the 10-year disease-specific survival (DSS) rate was 98%. According to the year of diagnosis, the number of disease-specific mortality was not different. However, the rate of disease-specific mortality decreased during the study period (from 7.7% to 0.7%). Older age (>=45 years) at diagnosis, male, follicular thyroid cancer (FTC) versus PTC, larger tumor size (>2 cm), presence of extrathyroidal extension (ETE), lateral cervical LN metastasis, distant metastasis and tumor node metastasis (TNM) stage were independent risk factors of disease-specific mortality of DTC patients. CONCLUSION: The rate of disease-specific mortality of Korean DTC patients was 1.9%; the 10-year DSS rate was 98% during 1996 to 2005. Older age at diagnosis, male, FTC, larger tumor size, presence of ETE, lateral cervical LN metastasis, distant metastasis, and TNM stages were significant risk factors of disease-specific mortality of Korean DTC patients. PMID- 29199402 TI - Changes in Body Composition According to Age and Sex among Young Non-Diabetic Korean Adults: The Kangbuk Samsung Health Study. AB - BACKGROUND: Age-related decreases in lean mass represent a serious health problem. We aimed to analyze the risks of rapid decreases in lean mass by age and sex in relatively young Korean adults during a 4-year follow-up study. METHODS: A total of 65,856 non-diabetic participants (59.5% men, mean age 39.1 years) in a health screening program were subjected to bioimpedance body composition analyses and metabolic parameter analyses at baseline and after 4 years. The participants were sub-divided according to age, and additionally to six groups by age and the degree of body weight change over the 4-year period. The actual changes in body weight, lean mass, and fat mass and the percent changes over the 4-year period were assessed. RESULTS: The percent change in lean mass decreased and the percent change of fat mass increased with increasing age in every age and sex group. However, the annual percent decrease in lean mass and percent increase in fat mass were significantly higher among women than among men (-0.26% vs. -0.15% and 0.34% vs. 0.42%, respectively; P<0.01). Participants who were older than 50 years and had a weight loss <-5% during the 4 years had significantly greater decreases in lean mass and smaller decreases in fat mass, compared to those who were younger than 50 years. An odds ratio analysis to determine the lowest quartile of the percent change in lean mass according to age group revealed that participants older than 60 years had a significantly increased risk of a rapid decrease in the lean mass percentage (2.081; 95% confidence interval, 1.678 to 2.581). CONCLUSION: Even in this relatively young study population, the lean mass decreased significantly with age, and the risk of a rapid decrease in lean mass was higher among women than among men. Furthermore, the elderly exhibited a significantly more rapid decrease in lean mass, compared with younger participants. PMID- 29199403 TI - Prediction of Gestational Diabetes Mellitus in Pregnant Korean Women Based on Abdominal Subcutaneous Fat Thickness as Measured by Ultrasonography. AB - BACKGROUND: This study was performed to verify the correlation between abdominal subcutaneous fat thickness (ASFT) measured by ultrasonography (US) during the first trimester of pregnancy and gestational diabetes mellitus (GDM) of the second trimester in Korean women and to establish a standard of ASFT for predicting GDM. METHODS: A total of 333 singleton pregnant women participated in this study. Their ASFT was measured by US during the 10+6 to 13+6 weeks of pregnancy; then a GDM confirmatory test (100 g oral glucose tolerance test) was conducted during the 24 to 28 week period of pregnancy. Based on the GDM tests, comparative analyses of the ages of the subjects, pre-pregnancy body mass index (BMI), and weight gain during pregnancy were conducted. RESULTS: The ages of the subjects and weight gains during pregnancy were not correlated to the GDM of the second trimester of pregnancy, but the pre-pregnancy BMIs (22+/-3.3 kg/m2) and the ASFT (1.9+/-0.5 cm) measurements between the control group and subjects during the first trimester of pregnancy were found to show significant differences (P<0.001). The cut-off value of the ASFT for predicting GDM was determined to be 2.4 cm (area under the curve=0.90, sensitivity 75.61%, specificity 91.78%, P<0.001). The odds ratio was 2.91 (95% confidence interval, 1.07 to 7.92; P=0.034), which was higher than the 2.4 cm ASFT. CONCLUSION: It was determined that ASFT as measured by US during the first trimester of pregnancy can be used to predict the risk of developing GDM during the second trimester of pregnancy and for prognosis. PMID- 29199404 TI - Improvement of Glycosylated Hemoglobin in Patients with Type 2 Diabetes Mellitus under Insulin Treatment by Reimbursement for Self-Monitoring of Blood Glucose. AB - BACKGROUND: In Korea, the costs associated with self-monitoring of blood glucose (SMBG) for patients with type 2 diabetes mellitus (T2DM) under insulin treatment have been reimbursed since November 2015. We investigated whether this new reimbursement program for SMBG has improved the glycemic control in the beneficiaries of this policy. METHODS: Among all adult T2DM patients with >=3 months of reimbursement (n=854), subjects without any changes in anti hyperglycemic agents during the study period were selected. The improvement of glycosylated hemoglobin (HbA1c) was defined as an absolute reduction in HbA1c >=0.6% or an HbA1c level at follow-up <7%. RESULTS: HbA1c levels significantly decreased from 8.5%+/-1.3% to 8.2%+/-1.2% during the follow-up (P<0.001) in all the study subjects (n=409). Among them, 35.5% (n=145) showed a significant improvement in HbA1c. Subjects covered under the Medical Aid system showed a higher prevalence of improvement in HbA1c than those with medical insurance (52.2% vs. 33.3%, respectively, P=0.012). In the improvement group, the baseline HbA1c (P<0.001), fasting C-peptide (P=0.016), and daily dose of insulin/body weight (P=0.024) showed significant negative correlations with the degree of HbA1c change. Multivariate analysis showed that subjects in the Medical Aid system were about 2.5-fold more likely to improve in HbA1c compared to those with medical insurance (odds ratio, 2.459; 95% confidence interval, 1.138 to 5.314; P=0.022). CONCLUSION: The reimbursement for SMBG resulted in a significant improvement in HbA1c in T2DM subjects using insulin, which was more prominent in subjects with poor glucose control at baseline or covered under the Medical Aid system. PMID- 29199405 TI - Serum Betatrophin Concentrations and the Risk of Incident Diabetes: A Nested Case Control Study from Chungju Metabolic Disease Cohort. AB - BACKGROUND: Betatrophin is a newly identified hormone derived from the liver and adipose tissue, which has been suggested to regulate glucose and lipid metabolism. Circulating levels of betatrophin are altered in various metabolic diseases, although the results are inconsistent. We aimed to examine whether betatrophin is a useful biomarker in predicting the development of diabetes. METHODS: A nested case-control study was performed using a prospective Chungju Metabolic disease Cohort Study. During a 4-year follow-up period, we analyzed 167 individuals who converted to diabetes and 167 non-converters, who were matched by age, sex, and body mass index. Serum betatrophin levels were measured by an ELISA (enzyme-linked immunosorbent assay). RESULTS: Baseline serum betatrophin levels were significantly higher in the converter group compared to the non-converter group (1,315+/-598 pg/mL vs. 1,072+/-446 pg/mL, P<0.001). After adjusting for age, sex, body mass index, fasting plasma glucose, systolic blood pressure, total cholesterol, and family history of diabetes, the risk of developing diabetes showed a stepwise increase across the betatrophin quartile groups. Subjects in the highest baseline quartile of betatrophin levels had more than a threefold higher risk of incident diabetes than the subjects in the lowest quartile (relative risk, 3.275; 95% confidence interval, 1.574 to 6.814; P=0.010). However, no significant relationships were observed between serum betatrophin levels and indices of insulin resistance or beta-cell function. CONCLUSION: Circulating levels of betatrophin could be a potential biomarker for predicting new-onset diabetes. Further studies are needed to understand the underlying mechanism of this association. PMID- 29199406 TI - The Role of Negative Affect in the Assessment of Quality of Life among Women with Type 1 Diabetes Mellitus. AB - BACKGROUND: The purpose of this study is to determine the impact of negative affect (defined in terms of lack of optimism, depressogenic attributional style, and hopelessness depression) on the quality of life of women with type 1 diabetes mellitus. METHODS: Participants (n=177) completed either an online or paper questionnaire made available to members of Australian diabetes support groups. Measures of optimism, attributional style, hopelessness depression, disease specific data, and diabetes-related quality of life were sought. Bivariate correlations informed the construction of a structural equation model. RESULTS: Participants were 36.3+/-11.3 years old, with a disease duration of 18.4+/-11.2 years. Age and recent glycosylated hemoglobin readings were significant contextual variables in the model. All bivariate associations involving the components of negative affect were as hypothesized. That is, poorer quality of life was associated with a greater depressogenic attributional style, higher hopelessness depression, and lower optimism. The structural equation model demonstrated significant direct effects of depressogenic attributional style and hopelessness depression on quality of life, while (lack of) optimism contributed to quality of life indirectly by way of these variables. CONCLUSION: The recognition of negative affect presentations among patients, and an understanding of its relevance to diabetes-related quality of life, is a valuable tool for the practitioner. PMID- 29199407 TI - Adipokines and Insulin Resistance According to Characteristics of Pregnant Women with Gestational Diabetes Mellitus. AB - BACKGROUND: The aim of this study was to evaluate adipokines concentration and insulin resistance according to maternal age or obesity at pregnancy and weight change at diagnosed gestational diabetes mellitus (GDM) in pregnant women with GDM. METHODS: This study included 57 pregnant women who were diagnosed with GDM at 24 to 28 weeks of gestation. The subjects were classified into two or three groups according to pre-pregnancy body mass index (BMI, <25 kg/m2 vs. >=25 kg/m2), maternal age at pregnancy (<35 years old vs. >=35 years old), and weight change during pregnancy at screening for GDM (weight change below, within, and in excess of the recommended range). They were respectively compared in each group. RESULTS: Leptin, homeostasis model assessment of insulin resistance (HOMA-IR), and HOMA2-%B were increased in the group with pre-pregnancy BMI >=25 kg/m2. Leptin and HOMA-IR were positively correlated with BMI both before pregnancy and at screening for GDM. There were no significant correlations between HOMA-IR and adipokines. HOMA-IR showed positive correlation with HOMA2-%B and negative correlation with HOMA2-%S. CONCLUSION: Leptin and HOMA-IR at diagnosed GDM were increased in the GDM patients with obesity before pregnancy. They were positively correlated with BMI both before pregnancy and at screening for GDM. The effect of maternal age at pregnancy and weight change during pregnancy at GDM screening on adipokines and insulin resistance might be less pronounced than the effect of maternal obesity. PMID- 29199408 TI - Beneficial Effects of Aerobic Exercise Training Combined with Rosiglitazone on Glucose Metabolism in Otsuka Long Evans Tokushima Fatty Rats. AB - BACKGROUND: Regular aerobic exercise is essential for the prevention and management of type 2 diabetes mellitus and may be particularly beneficial for those treated with thiazolidinediones, since it may prevent associated weight gain. This study aimed to evaluate the effect of combined exercise and rosiglitazone treatment on body composition and glucose metabolism in obese diabetes-prone animals. METHODS: We analyzed metabolic parameters, body composition, and islet profiles in Otsuka Long Evans Tokushima Fatty rats after 28 weeks of aerobic exercise, rosiglitazone treatment, and combined exercise and rosiglitazone treatment. RESULTS: Combined exercise with rosiglitazone showed significantly less increase in weight and epididymal fat compared to rosiglitazone treatment. Aerobic exercise alone and combined rosiglitazone and exercise treatment led to similar retention of lean body mass. All experimental groups showed a decrease in fasting glucose. However, the combined exercise and rosiglitazone therapy group showed prominent improvement in glucose tolerance compared to the other groups. Rescue of islet destruction was observed in all experimental groups, but was most prominent in the combined therapy group. CONCLUSION: Regular aerobic exercise combined with rosiglitazone treatment can compensate for the adverse effect of rosiglitazone treatment and has benefit for islet preservation. PMID- 29199409 TI - Depressive Symptoms Are Negatively Associated with Glucose Testing and Eating Meals on Time among Individuals with Diabetes in Zambia. AB - BACKGROUND: Depression is an established risk factor for cardiovascular diseases and mortality among individuals living with diabetes, and impaired self-care behaviors may play a mediating role. In Africa, this association is not very well known. In this study, we examined the associations between depressive symptoms and different aspects of diabetes self-care in Zambian individuals with diabetes mellitus. METHODS: A total of 157 individuals with diabetes mellitus participated. The sample was drawn from four city hospitals in Zambia. Diabetes self-care was assessed using the diabetes self-care inventory, and depression was assessed using the major depression inventory. RESULTS: Fifty-nine percent of the sample had type 1 diabetes mellitus. Variations in self-care activities and behaviors were reported as least adhered to by individuals with type 1 and type 2 diabetes mellitus, in adolescent and adult patients. Regression analysis indicated that there was no association between total diabetes self-care and the depression total score. However, depression was associated with poor glucose testing and not eating meals on time by patients with diabetes. CONCLUSION: Some variance on poor self-care was explained by demographic characteristics, specifically age, body mass index, and to some extent, socioeconomic status. Recognition and successful treatment of depression in patients with diabetes might help to optimize self-care behaviors, especially glucose testing and eating meals on time. However, this hypothesis needs further testing. PMID- 29199411 TI - The Phospholipid Linoleoylglycerophosphocholine as a Biomarker of Directly Measured Insulin Resistance. AB - BACKGROUND: Plasma concentrations of some lysophospholipids correlate with metabolic alterations in humans, but their potential as biomarkers of insulin resistance (IR) is insufficiently known. We aimed to explore the association between plasma linoleoylglycerophosphocholine (LGPC) and objective measures of IR in adults with different metabolic profiles. METHODS: We studied 62 men and women, ages 30 to 69 years, (29% normal weight, 59% overweight, 12% obese). Participants underwent a 5-point oral glucose tolerance test (5p-OGTT) from which we calculated multiple indices of IR and insulin secretion. Fifteen participants additionally underwent a hyperinsulinemic-euglycemic clamp for estimation of insulin-stimulated glucose disposal. Plasma LGPC was determined using high performance liquid chromatography/time-of-flight mass spectrometry. Plasma LGPC was compared across quartiles defined by the IR indices. RESULTS: Mean LGPC was 15.4+/-7.6 ng/mL in women and 14.1+/-7.3 ng/mL in men. LGPC did not correlate with body mass in-dex, percent body fat, waist circumference, blood pressure, glycosylated hemoglobin, log-triglycerides, or high density lipoprotein cholesterol. Plasma LGPC concentrations was not systematically associated with any of the studied 5p-OGTT-derived IR indices. However, LGPC exhibited a significant negative correlation with glucose disposal in the clamp (Spearman r= 0.56, P=0.029). Despite not being diabetic, participants with higher plasma LGPC exhibited significantly higher post-challenge plasma glucose excursions in the 5p OGTT (P trend=0.021 for the increase in glucose area under the curve across quartiles of plasma LGPC). CONCLUSION: In our sample of Latino adults without known diabetes, LGPC showed potential as a biomarker of IR and impaired glucose metabolism. PMID- 29199410 TI - Non-Alcoholic Fatty Liver Disease: The Emerging Burden in Cardiometabolic and Renal Diseases. AB - As the number of individuals with non-alcoholic fatty liver disease (NAFLD) has increased, the influence of NAFLD on other metabolic diseases has been highlighted. Accumulating epidemiologic evidence indicates that NAFLD not only affects the liver but also increases the risk of extra-hepatic diseases such as type 2 diabetes mellitus, metabolic syndrome, dyslipidemia, hypertension, cardiovascular or cerebrovascular diseases, and chronic kidney disease. Non alcoholic steatohepatitis, an advanced type of NAFLD, can aggravate these inter organ relationships and lead to poorer outcomes. NAFLD induces insulin resistance and exacerbates systemic chronic inflammation and oxidative stress, which leads to organ dysfunction in extra-hepatic tissues. Although more research is needed to identify the pathophysiological mechanisms and causal relationship between NAFLD and cardiometabolic and renal diseases, screening for heart, brain, and kidney diseases, risk assessment for diabetes, and a multidisciplinary approach for managing these patients should be highly encouraged. PMID- 29199413 TI - [Not Available]. PMID- 29199412 TI - Evaluation of a halitosis clinic over a period of eleven years AB - About every fourth individual suffers at leasttemporarily from oral malodor. The most frequentcause of it is the oral cavity, in particular thetongue coating. In professional halitosis clinics,findings and diagnoses are discussed with thepatients, and individual therapy concepts are designed. Currently, there are only few ev alua- tions of such clinics, which moreover are con- fined to a period of a few weeks or months. The aim of the present work was to evaluate the halitosis clinic of the University Center of Dental Medicine Basel o ver a period of eleven years. For the purpose of a recall, 638 patients w ere con- tacted, who had visited the halitosis clinic be- tween February 2003 and February 2014. Of these, 280 patients answ ered a special question- naire. The halitosis clinic was rated as helpf ul by 81.9% of the respondents. The majority (61.8%) only rarely or never suffered from bad breath anymore and still carried out the recommended tongue cleaning. Ninety-one patients who re- ported to suffer again from oral malodor, could be re-evaluated also clinically. The strictly cause- oriented therapy concept of the halitosis clinic of the Univ ersity Center of Dental Medicine Basel has proved successful over eleven years. PMID- 29199415 TI - [Urinary tract infection by Lelliottia amnigena (Enterobacter amnigenus): an uncommon pathogen]. PMID- 29199414 TI - Anti-erosive effect of a self-assembling peptide gel AB - This study analyzed the anti-erosive effect of a self-assembling peptide fibre gel. One hundred and twelve bovine enamel samples were ground flat and subjected to a three times de- and re-mineralization cycle: erosion (5min, HCl, pH2.6) alternated with storage in artificial saliva under agitation. Then, samples were covered with dif-ferent anti-erosive compounds (2min): Duraphat toothpaste (DT), Elmex Erosion Protection Tooth-paste (EET) or Elmex Gelee (EG)- all mixed with saliva (1:3)-, Elmex Erosion Protection Mouth-wash (EEM), Curodont Protect (CP; self-assem-bling peptide gel) or MI Paste Plus (MIP). Untreat-ed, water stored samples served as control. In experiment1, half of the samples of each group were continuously superfused with HCl (pH2.6, 60MUl/min, 8min). In experiment2, the second half of samples were subjected to eight cycles, each consisting of application of the respective anti-erosive compound followed by an erosion (60s, HCl, pH2.6), followed by remineralization in artificial saliva (45min). Enamel loss was profi-lometrically determined.In experiment1, EEM and EET performed signifi-cantly better compared to all other compounds. Substance loss of all other compounds did not differ significantly from control. In experiment2, significantly better performance was achieved by EEM and EET. EG showed significantly lower pro-tection than the control. All other applied com-pounds yielded no significant difference com-pared to control.Under the chosen conditions, the self-assembling peptide-containing compound showed no anti erosive effect. PMID- 29199416 TI - [IgG4 seroconversion in a patient with chronic brucellosis with biliary focus]. PMID- 29199417 TI - [Pulmonary mucormycosis due to Cunninghamella spp. in renal transplant patient]. PMID- 29199418 TI - [Cefditoren: a reality for the treatment of community infections]. AB - Cefditoren, a third-generation cephalosporin, is the oral beta-lactam more active against the main community-acquired respiratory tract pathogens (including resistance phenotypes such as penicillin-resistant Streptococcus pneumoniae and ampicillin-resistant Haemophilus influenzae), similar to cefotaxime. Data obtained from clinical trials and later evidence on efficacy and safety, support that cefditoren is an suitable option for the treatment of mild-to moderate community respiratory and urinary tract infections, particularly in regions where non-susceptible phenotipes to common oral antibiotics are prevalent. PMID- 29199419 TI - [Not Available]. PMID- 29199420 TI - [Not Available]. PMID- 29199421 TI - Novel Electrosorption-Enhanced Solid-Phase Microextraction Device for Ultrafast In Vivo Sampling of Ionized Pharmaceuticals in Fish. AB - Decreasing the tedious sample preparation duration is one of the most important concerns for the environmental analytical chemistry especially for in vivo experiments. However, due to the slow mass diffusion paths for most of the conventional methods, ultrafast in vivo sampling remains challenging. Herein, for the first time, we report an ultrafast in vivo solid-phase microextraction (SPME) device based on electrosorption enhancement and a novel custom-made CNT@PPY@pNE fiber for in vivo sampling of ionized acidic pharmaceuticals in fish. This sampling device exhibited an excellent robustness, reproducibility, matrix effect resistant capacity, and quantitative ability. Importantly, the extraction kinetics of the targeted ionized pharmaceuticals were significantly accelerated using the device, which significantly improved the sensitivity of the SPME in vivo sampling method (limits of detection ranged from 0.12 ng.g-1 to 0.25 ng.g-1) and shorten the sampling time (only 1 min). The proposed approach was successfully applied to monitor the concentrations of ionized pharmaceuticals in living fish, which demonstrated that the device and fiber were suitable for ultrafast in vivo sampling and continuous monitoring. In addition, the bioconcentration factor (BCF) values of the pharmaceuticals were derived in tilapia (Oreochromis mossambicus) for the first time, based on the data of ultrafast in vivo sampling. Therefore, we developed and validated an effective and ultrafast SPME sampling device for in vivo sampling of ionized analytes in living organisms and this state-of-the-art method provides an alternative technique for future in vivo studies. PMID- 29199422 TI - "Double-Cable" Conjugated Polymers with Linear Backbone toward High Quantum Efficiencies in Single-Component Polymer Solar Cells. AB - A series of "double-cable" conjugated polymers were developed for application in efficient single-component polymer solar cells, in which high quantum efficiencies could be achieved due to the optimized nanophase separation between donor and acceptor parts. The new double-cable polymers contain electron-donating poly(benzodithiophene) (BDT) as linear conjugated backbone for hole transport and pendant electron-deficient perylene bisimide (PBI) units for electron transport, connected via a dodecyl linker. Sulfur and fluorine substituents were introduced to tune the energy levels and crystallinity of the conjugated polymers. The double-cable polymers adopt a "face-on" orientation in which the conjugated BDT backbone and the pendant PBI units have a preferential pi-pi stacking direction perpendicular to the substrate, favorable for interchain charge transport normal to the plane. The linear conjugated backbone acts as a scaffold for the crystallization of the PBI groups, to provide a double-cable nanophase separation of donor and acceptor phases. The optimized nanophase separation enables efficient exciton dissociation as well as charge transport as evidenced from the high-up to 80%-internal quantum efficiency for photon-to-electron conversion. In single-component organic solar cells, the double-cable polymers provide power conversion efficiency up to 4.18%. This is one of the highest performances in single-component organic solar cells. The nanophase-separated design can likely be used to achieve high-performance single-component organic solar cells. PMID- 29199423 TI - Effect of Dielectric Interface on the Performance of MoS2 Transistors. AB - Because of their wide bandgap and ultrathin body properties, two-dimensional materials are currently being pursued for next-generation electronic and optoelectronic applications. Although there have been increasing numbers of studies on improving the performance of MoS2 field-effect transistors (FETs) using various methods, the dielectric interface, which plays a decisive role in determining the mobility, interface traps, and thermal transport of MoS2 FETs, has not been well explored and understood. In this article, we present a comprehensive experimental study on the effect of high-k dielectrics on the performance of few-layer MoS2 FETs from 300 to 4.3 K. Results show that Al2O3/HfO2 could boost the mobility and drain current. Meanwhile, MoS2 transistors with Al2O3/HfO2 demonstrate a 2* reduction in oxide trap density compared to that of the devices with the conventional SiO2 substrate. Also, we observe a negative differential resistance effect on the device with 1 MUm channel length when using conventional SiO2 as the gate dielectric due to self heating, and this is effectively eliminated by using the Al2O3/HfO2 gate dielectric. This dielectric engineering provides a highly viable route to realizing high-performance transition metal dichalcogenide-based FETs. PMID- 29199424 TI - Preparation of Novel Fluorescent Nanocomposites Based on Au Nanoclusters and Their Application in Targeted Detection of Cancer Cells. AB - Fluorescent gold nanoclusters (AuNCs) have drawn considerable research interest owing to their unique emission properties. However, the environment surrounding the NC greatly influences its luminous behavior. In this work, a novel nanocomposite based on AuNCs with bright fluorescence and high biocompatibility was prepared. In this nanocomposite, mesoporous silica nanospheres provided a mesoporous framework, which helped to template the formation of ultrasmall AuNCs and also prevented their aggregation in different solutions. These nanocomposites emitted stable fluorescence even in complex biological environments. After the self-assembly of folic acid-conjugated poly(l-lysine), the presence of folic acid on the nanocomposites guaranteed a good recognition in folate receptor (FR) positive cells, improving detection selectivity. Cellular experiments demonstrated that the nanocomposites had good dispersity in the physiological environment and could be internalized by FR-positive cancer cells, resulting in bright fluorescence. We believe that this research provides a simple approach to the fabrication of stable fluorescent AuNC nanocomposites, which show good compatibility with complex biological systems and great potential for applications in biological imaging and cell detection. PMID- 29199425 TI - Piecemeal Rekindling of Coumarin 6 Fluorescence on Stepwise Unfolding of Protein by Surfactant. AB - Coumarin 6 (C6) briskly aggregates in water, and as a result, rapidly loses fluorescence. However, vicinal hydrophobic cavity can induce disintegration of the aggregates, and thus reviving the fluorescence. It is shown that carrier protein, such as bovine serum albumin (BSA), can disintegrate the microcrystals of C6 to smaller fragments and trap them inside the hydrophobic domain of the folded protein. This results into a 12-fold enhancement in the fluorescence signal of C6. However, on unfolding BSA by micelles, the C6 microcrystals break into single molecules by getting trapped in the micelles, and hence emission enhances by more than 100-folds. PMID- 29199426 TI - Characterization of Key Factors of Anchovy (Engraulis japonicus) Meat in the Nanoparticle-Mediated Enhancement of Non-Heme Iron Absorption. AB - Anchovy (Engraulis japonicus) meat (AM) has been shown to promote nonheme iron absorption via a ferric oxyhydroxide nanoparticle (FeONP)-mediated mechanism. Here, formulation modifications of an egg-white-based AIN-93G diet with AM fractions resulted hemoglobin regeneration efficiencies in anemic rats following an order control (23.69 +/- 3.99%) < ferrous-sulfate-replacement of ferric citrate (39.89 +/- 2.97%) ~ dehemeed-AM-protein-replacement of egg white (45.88 +/- 4.76%) ~ AM-lipid-replacement of soybean oil (43.14 +/- 3.48%) ~ chondroitin sulfate-replacement of ~2.5% corn starch (39.92 +/- 1.88%) < l-alpha phosphatidylcholine-replacement of ~29% soybean oil (53.42 +/- 2.04%), with nanosized iron enriched in proximal-small-intestinal contents by these AM fractions. The calcein-fluorescence-quenching assay in polarized Caco-2 cells revealed good iron absorption from FeONPs coated with AM peptides, l-alpha phosphatidylcholine, l-alpha-lysophosphatidylcholine, and chondroitin sulfate, with the latter two disfavoring endocytosis thereby inducing relatively weaker iron absorption. These results suggest peptides, phospholipids, and mucopolysaccharides released during AM digestion are key factors promoting nonheme iron absorption. PMID- 29199427 TI - Predictive value of routine point-of-care cardiac troponin T measurement for prehospital diagnosis and risk-stratification in patients with suspected acute myocardial infarction. AB - OBJECTIVE: The purpose of this study was to determine the predictive value of routine prehospital point-of-care cardiac troponin T measurement for diagnosis and risk stratification of patients with suspected acute myocardial infarction. METHODS AND RESULTS: All prehospital emergency medical service vehicles in the Central Denmark Region were equipped with a point-of-care cardiac troponin T device (Roche Cobas h232) for routine use in all patients with a suspected acute myocardial infarction. During the study period, 1 June 2012-30 November 2015, prehospital point-of-care cardiac troponin T measurements were performed in a total of 19,615 cases seen by the emergency medical service and 18,712 point-of care cardiac troponin T measurements in 15,781 individuals were matched with an admission. A final diagnosis of acute myocardial infarction was confirmed in 2187 cases and a total of 2150 point-of-care cardiac troponin T measurements (11.0%) had a value >=50 ng/l, including 966 with acute myocardial infarction (sensitivity: 44.2%, specificity: 92.8%). Patients presenting with a prehospital point-of-care cardiac troponin T value >=50 ng/l had a one-year mortality of 24% compared with 4.8% in those with values <50 ng/l, log-rank: p<0.001. The following variables showed the strongest association with mortality in multivariable analysis: point-of-care cardiac troponin T>=50 ng/l (hazard ratio 2.10, 95% confidence interval: 1.90-2.33), congestive heart failure (hazard ratio 1.93, 95% confidence interval: 1.74-2.14), diabetes mellitus (hazard ratio 1.42, 95% confidence interval: 1.27-1.59) and age, one-year increase (hazard ratio 1.08, 95% confidence interval: 1.08-1.09). CONCLUSIONS: Patients with suspected acute myocardial infarction and a prehospital point-of-care cardiac troponin T >=50 ng/l have a poor prognosis irrespective of the final diagnosis. Routine troponin measurement in the prehospital setting has a high predictive value and can be used to identify high-risk patients even before hospital arrival so that they may be re-routed directly for advanced care at an invasive centre. PMID- 29199428 TI - Cluster headache and middle meningeal artery dural arteriovenous fistulas: A case report. AB - Background Of the multiple etiologies identified for symptomatic cluster headache, vascular origin is common; however, there are no known reports of arteriovenous (AV) fistulas. Here we report a case with typical presentation of cluster headache, which might be associated with middle meningeal AV fistulas. Case report The subject is a 49-year-old man with a 7-year history of episodic left-side cluster headache, consistent with the criteria in the International Classification of Headache Disorders, 3rd edition, beta version (ICHD-3beta). Magnetic resonance angiography (MRA) demonstrated dural arteriovenous fistulas at the left posterior fossa, which is supplied mainly by the left middle meningeal artery. After endovascular balloon-assisted embolization, his symptoms have disappeared without relapse for 1.5 years. Discussion We suggest that middle meningeal arteriovenous fistulas should be considered as a potential differential diagnosis of secondary cluster headache, even when the initial clinical manifestations and treatment response are typical for primary cluster headache. PMID- 29199429 TI - Reply to the letter by Min et al. PMID- 29199431 TI - Six-month clinical course and factors associated with non-improvement in migraine and non-migraine headaches. AB - Background Evidence on the medium-term clinical course of recurrent headaches is scarce. This study explored the six-month course and factors associated with non improvement in migraine compared with tension-type headache and cervicogenic headache. Methods In this longitudinal cohort study, the six-month course of headaches was prospectively examined in participants (n = 37 with migraine; n = 42 with tension-type or cervicogenic headache). Participants underwent physical examination for cervical musculoskeletal impairments at baseline. Participants also completed questionnaires on pain, disability and other self-report measures at baseline and follow-up, and kept an electronic diary for 6 months. Course of headaches was examined using mixed within-between analyses of variance and Markov chain modeling. Multiple factors were evaluated as possible factors associated with non-improvement using regression analysis. Results Headache frequency, intensity, and activity interference in migraine and non-migraine headaches were generally stable over 6 months but showed month-to-month variations. Day-to-day variations were more volatile in the migraine than the non-migraine group, with the highest probability of transitioning from any headache state to no headache (probability = 0.82-0.85). The odds of non-improvement in disability was nearly six times higher with cervical joint dysfunction (odds ratio [95% CI] = 5.58 [1.14-27.42]). Conclusions Headache frequency, intensity, and activity interference change over 6 months, with day-to-day variation being more volatile in migraine than non-migraine headaches. Cervical joint dysfunction appears to be associated with non-improvement for disability in 6 months. These results may contribute to strategies for educating patients to help align their expectations with the nature of their headaches. PMID- 29199433 TI - A Systematic Review of Parent-Implemented Functional Communication Training for Children With ASD. AB - Supporting parents in reducing challenging behavior of children with autism spectrum disorder (ASD) requires the identification of effective, feasible, and sustainable interventions. Functional communication training (FCT) is one of the most well-established interventions in the behavioral literature and is used increasingly by parents. However, there is a need for additional evaluation of the literature related to parent-implemented FCT. In the present review, we identified 26 peer-reviewed studies on parent-implemented FCT. We conducted systematic descriptive and social validity analyses to summarize the extant literature. Across studies, parent-implemented FCT was effective in reducing child challenging behavior, and in some cases, intervention outcomes maintained and generalized to novel settings and implementers. However, few studies reported fidelity data on parent implementation of FCT, and data regarding sustained use of FCT by parents were limited. Results of the social validity analysis indicate that while FCT is often implemented by natural change agents in typical settings, parent training is often provided by professionals not typically accessible to parents. These findings suggest that future research is warranted in the areas of parent training and long-term sustainability of parent-implemented FCT. PMID- 29199432 TI - Whey protein concentrate supplementation protects rat brain against aging-induced oxidative stress and neurodegeneration. AB - Whey protein concentrate (WPC) is a rich source of sulfur-containing amino acids and is consumed as a functional food, incorporating a wide range of nutritional attributes. The purpose of this study is to evaluate the neuroprotective effect of WPC on rat brain during aging. Young (4 months) and old (24 months) male Wistar rats were supplemented with WPC (300 mg/kg body weight) for 28 days. Biomarkers of oxidative stress and antioxidant capacity in terms of ferric reducing antioxidant potential (FRAP), lipid hydroperoxide (LHP), total thiol (T SH), protein carbonyl (PC), reactive oxygen species (ROS), nitric oxide (NO), and acetylcholinesterase (AChE) activity were measured in brain of control and experimental (WPC supplemented) groups. In addition, gene expression and histopathological studies were also performed. The results indicate that WPC augmented the level of FRAP, T-SH, and AChE in old rats as compared with the old control. Furthermore, WPC-treated groups exhibited significant reduction in LHP, PC, ROS, and NO levels in aged rats. WPC supplementation also downregulated the expression of inflammatory markers (tumor necrosis factor alpha, interleukin (IL) 1beta, IL-6), and upregulated the expression of marker genes associated with autophagy (Atg3, Beclin-1, LC3B) and neurodegeneration (neuron specific enolase, Synapsin-I, MBP-2). The findings suggested WPC to be a potential functional nutritional food supplement that prevents the progression of age-related oxidative damage in Wistar rats. PMID- 29199434 TI - A single centre prospective cohort study addressing the effect of a rule-in/rule out troponin algorithm on routine clinical practice. AB - AIMS: In 2015, the European Society of Cardiology introduced new guidelines for the diagnosis of acute coronary syndromes in patients presenting without persistent ST-segment elevation. These guidelines included the use of high sensitivity troponin assays for 'rule-in' and 'rule-out' of acute myocardial injury at presentation (using a '0 hour' blood test). Whilst these algorithms have been extensively validated in prospective diagnostic studies, the outcome of their implementation in routine clinical practice has not been described. The present study describes the change in the patient journey resulting from implementation of such an algorithm in a busy innercity Emergency Department. METHODS AND RESULTS: Data were prospectively collected from electronic records at a large Central London hospital over seven months spanning the periods before, during and after the introduction of a new high-sensitivity troponin rapid diagnostic algorithm modelled on the European Society of Cardiology guideline. Over 213 days, 4644 patients had high-sensitivity troponin T measured in the Emergency Department. Of these patients, 40.4% could be 'ruled-out' based on the high-sensitivity troponin T concentration at presentation, whilst 7.6% could be 'ruled-in'. Adoption of the algorithm into clinical practice was associated with a 37.5% increase of repeat high-sensitivity troponin T measurements within 1.5 h for those patients classified as 'intermediate risk' on presentation. CONCLUSIONS: Introduction of a 0 hour 'rule-in' and 'rule-out' algorithm in routine clinical practice enables rapid triage of 48% of patients, and is associated with more rapid repeat testing in intermediate risk patients. PMID- 29199435 TI - [Laboratory aspects of novel oral anticoagulant treatment]. AB - The introduction of novel oral anticoagulants (NOAC) have long been expected drugs and they quickly became used widespread as their clinical effectiveness was as good as, or even better than the previously used only oral anticoagulant drug, the coumarins. Thus, the direct thrombin inhibitor dabigatran and the activated factor X inhibitors (rivaroxaban, apixaban, edoxaban) have become the part of daily therapeutic practice. Their permeation was facilitated by the guideline which suggested that no laboratory monitoring was required during NOAC treatment and this was very convenient for both patients and doctors. The clinical experience obtained in the past years, however have proved that the 'one size fits all' view is oversimplified and there are numerous situations when the determination NOAC levels is unavoidable or highly recommended. This review discusses the laboratory aspects of NOAC treatment, primarily summarizing their effect on the screening tests and special assays of hemostasis and we also describe the correct methods to determine their plasma concentrations. Orv Hetil. 2017; 158(49): 1930-1945. PMID- 29199436 TI - [Considerations on the treatment of IgA nephropathy on the basis of the results of the latest studies (STOP-IgAN, TESTING, NEFIGAN)]. AB - IgA nephropathy is an immune-mediated chronic glomerulonephritis with a great variability in clinical presentation and outcome. The disease can progress to end stage renal failure in 25% of patients. For this reason we should identify patients with potential to progress. Most important risk factors for progression are persistent proteinuria, hypertension, decreased renal function and some histological lesions. The actually suggested treatment is summarized in KDIGO Clinical Practice Guideline from 2012. They suggest to give firstly non-specific supportive treatment (especially renin-angiotensin system blocking agents). Recommendation about steroid/immunosuppression treatment is based on low level of evidence. Recently three studies were organised concerning benefits and risk of steroid/immunosuppressive treatment added together with specific supportive treatment. In the STOP-IgAN study, systemic steroid/immunosuppressive treatment significantly decreased proteinuria but did not stop progression. In the TESTING study, systemic steroid treatment significantly decreased proteinuria and progression. However, the study was recently discontinued due to several severe side effects of steroid treatment. Involvement of intestinal mucosal immunity in the pathogenesis of IgA nephropathy suggested the NEFIGAN study with budesonide treatment. Budesonide releases corticosteroid in distal small intestine and colon. Proteinuria was significantly decreased and renal function remained stabile. High number of withdrawals owing to adverse effects is a major concern implying a substantial systemic effect of budesonide. We need further information on the characteristics of patients who most likely benefit from steroid/immunosuppressive treatment given after or together with specific supportive treatment. Orv Hetil. 2017; 158(49): 1946-1952. PMID- 29199437 TI - [Safety data of the new, reduced-dose influenza vaccine FluArt after its first season on the market]. AB - INTRODUCTION: The currently licensed seasonal influenza vaccines contain split, subunit or whole virions, typically in amounts of 15 ug hemagglutinin per virus strain for adult and up to 60 ug in elderly patients. AIM: The present study reports safety data of the newly licensed, reduced dose vaccine with 6 ug of hemagglutinin per strain produced by Fluart (Hungary) after its first season on the market. The main objective of enhanced safety surveillance was to detect a potential increase in reactogenicity and allergic events that is intrinsic to the product in near real-time in the earliest vaccinated cohorts. METHOD: The study methods were based on the Interim guidance on enhanced safety surveillance for seasonal influenza vaccines in the EU by the European Medicines Agency. STATISTICS: We used the Fisher exact test with 95% confidence intervals. RESULTS: We studied 587 patients and detected a total 24 adverse events, all of which have already been known during the licensing studies of the present vaccine. The frequencies of the adverse events were not different from what had been seen with the previously licensed 15 ug vaccine. CONCLUSIONS: Based on the results, the authors conclude that the new, reduced dose vaccine FluArt is safe and tolerable. Orv Hetil. 2017; 158(49): 1953-1959. PMID- 29199438 TI - [Dr. Jozsef Gelencser (1930-2017)]. PMID- 29199439 TI - [Motivation for weight loss among weight loss treatment participants]. AB - INTRODUCTION: Unrealistic expectations about weight goal and about weight loss related benefits can hinder the effort for a successful long-term weight control. AIM: To explore weight loss-related goals and their background among overweight/obese patients. METHOD: Study sample consisted of patients who participated in the inpatient weight loss treatment in the Lipidological Department of Szent Imre Hospital (n = 339, 19% men). Mean age: 50.2 years (SD = 13.47 years), mean BMI: 38.6 (SD = 7.58). MEASURES: self-reported anthropometric data, type and number of treated illnesses, Goals and Relative Weights Questionnaire, Motivations for Weight Loss Scale, Body Shape Questionnaire. RESULTS: Participants would feel disappointed with a possible 10% weight loss in a half-year time span. The acceptable weight loss percentage was higher among women, younger participants and among those who had more excess weight. Motivation regarding the increase in social desirability by weight loss is in association with body dissatisfaction, health related motivation is in association with the number of treated illnesses. CONCLUSIONS: Our results are contributing to the understanding of motivational factors behind weight reduction efforts, considering these can improve treatment success rates. Orv Hetil. 2017; 158(49): 1960-1967. PMID- 29199440 TI - A study of high-, middle- and low-molecular weight adiponectin in urine as a surrogate marker for early diabetic nephropathy using ultrasensitive immune complex transfer enzyme immunoassay. AB - Background For the early identification of patients at risk of developing diabetic nephropathy, we have developed an ultrasensitive immune complex transfer enzyme immunoassay to measure adiponectin in urine. Methods We developed immune complex transfer enzyme immunoassay for adiponectin and measured urinary adiponectin from 70 healthy subjects, 35 obese non-diabetic subjects and 20 patients with diabetes. Results The urinary adiponectin concentrations in patients with diabetes (3.3 +/- 10.7 ng/mg creatinine) were significantly higher than those in obese subjects (0.54 +/- 0.44; P < 0.01) and healthy subjects (0.46 +/- 0.42; P < 0.001). The gel filtration elution profile of urine from healthy subjects showed traces of four immunoreactive peaks (high-, medium-, low molecular weight and monomer molecules), despite the majority of blood adiponectin being high-molecular weight. However, urinary adiponectin molecules were more frequent in low-molecular weight as the estimate glomerular filtration rate decreased. Furthermore, as blood glucose concentrations rose, middle molecular weight and high-molecular weight increased in urine. Further, urinary adiponectin concentrations correlated with estimate glomerular filtration rate ( r = -0.61, P < 0.001), but not urinary albumin. In addition, our analysis showed a significantly ( P < 0.001) higher value for urinary adiponectin in the G2 stage of chronic kidney disease classification where urinary albumin is not elevated. Conclusion Adiponectin increases in urine as renal function decreases, and urinary adiponectin may be useful as a surrogate marker for diabetic nephropathy risk. PMID- 29199441 TI - The effectiveness of a routine versus an extensive laboratory analysis in the diagnosis of anaemia in general practice. AB - Background We investigated the percentage of patients diagnosed with the correct underlying cause of anaemia by general practitioners when using an extensive versus a routine laboratory work-up. Methods An online survey was distributed among 836 general practitioners. The survey consisted of six cases, selected from an existing cohort of anaemia patients ( n = 3325). In three cases, general practitioners were asked to select the laboratory tests for further diagnostic examination from a list of 14 parameters (i.e. routine work-up). In the other three cases, general practitioners were presented with all 14 laboratory test results available (i.e. extensive work-up). General practitioners were asked to determine the underlying cause of anaemia in all six cases based on the test results, and these answers were compared with the answers of an expert panel. Results A total of 139 general practitioners (partly) responded to the survey (17%). The general practitioners were able to determine the underlying cause of anaemia in 53% of cases based on the routine work-up, whereas 62% of cases could be diagnosed using an extensive work-up ( P = 0.007). In addition, the probability of a correct diagnosis decreased with the patient's age and was also affected by the underlying cause itself, with anaemia of chronic disease being hardest to diagnose ( P = 0.003). Conclusion The use of an extensive laboratory work-up in patients with newly diagnosed anaemia is expected to increase the percentage of correct underlying causes established by general practitioners. Since the underlying cause can still not be established in 31.3% of anaemia patients, further research is necessary. PMID- 29199442 TI - Assessing the cost-effectiveness of a routine versus an extensive laboratory work up in the diagnosis of anaemia in Dutch general practice. AB - Background Establishing the underlying cause of anaemia in general practice is a diagnostic challenge. Currently, general practitioners individually determine which laboratory tests to request (routine work-up) in order to diagnose the underlying cause. However, an extensive work-up (consisting of 14 tests) increases the proportion of patients correctly diagnosed. This study investigates the cost-effectiveness of this extensive work-up. Methods A decision-analytic model was developed, incorporating all societal costs from the moment a patient presents to a general practitioner with symptoms suggestive of anaemia (aged >= 50 years), until the patient was (correctly) diagnosed and treated in primary care, or referred to (and diagnosed in) secondary care. Model inputs were derived from an online survey among general practitioners, expert estimates and published data. The primary outcome measure was expressed as incremental cost per additional patient diagnosed with the correct underlying cause of anaemia in either work-up. Results The probability of general practitioners diagnosing the correct underlying cause increased from 49.6% (95% CI: 44.8% to 54.5%) in the routine work-up to 56.0% (95% CI: 51.2% to 60.8%) in the extensive work-up (i.e. +6.4% [95% CI: -0.6% to 13.1%]). Costs are expected to increase slightly from ?842/patient (95% CI: ?704 to ?994) to ?845/patient (95% CI: ?711 to ?994), i.e. +?3/patient (95% CI: ?-35 to ?40) in the extensive work-up, indicating incremental costs of ?43 per additional patient correctly diagnosed. Conclusions The extensive laboratory work-up is more effective for diagnosing the underlying cause of anaemia by general practitioners, at a minimal increase in costs. As accompanying benefits in terms of quality of life and reduced productivity losses could not be captured in this analysis, the extensive work-up is likely cost effective. PMID- 29199443 TI - Successful Prediction of a Left Nonrecurrent Laryngeal Nerve in a Patient With Right-Sided Aorta and Aberrant Left Subclavian Artery. AB - BACKGROUND: Left nonrecurrent laryngeal nerve (LNRLN) is an extremely rare anatomic variant. The development of such anatomic variation requires the regression of both the fourth (aortic arch) and sixth (ductus arteriosus, DA) arches on the left side. Preoperative prediction of this variant is difficult but might reduce risk of nerve injury. METHODS: A 34-year-old female was indicated for thyroidectomy for a 2.4 cm follicular neoplasm and Graves' disease. Due to a positive medical history of 22q11.2 microdeletion and unexplained left vocal cord paralysis, a preoperative chest computed tomography (CT) scan was obtained and revealed a right-sided aorta (RSA) and aberrant left subclavian artery (ALSA) without Kommerell's diverticulum. A left-sided NRLN was then highly suspected. RESULTS: Thyroidectomy was performed under general anesthesia with the utilization of intraoperative laryngeal nerve monitoring. A LNRLN was confirmed intraoperatively. CONCLUSIONS: Right-sided aorta and ALSA indicate embryologic regression of the left fourth primitive aortic arch. The absence of Kommerell's diverticulum at the origin of the ALSA indicates the lack of high-pressure blood flow from the pulmonary artery to the ALSA through the ductus arteriosus during embryogenesis, suggesting the embryologic regression of the left sixth primitive aortic arch. The presence of all 3 radiologic features thus highly suggests the possibility of a LNRLN. PMID- 29199444 TI - Steering Sheath for 2-Nostril Transnasal Office Laryngoscopy. AB - OBJECTIVE: The aim was to study the feasibility of performing office-based laryngeal procedures employing a flexible hollow steerable sheath placed contralateral to the nostril through which a standard flexible video endoscope is placed. METHODS: The study design included simulation of transnasal endoscopic laryngeal procedures evaluating the use of a flexible steering sheath in laboratory and clinic settings. Transnasal laryngeal procedures were performed in an otolaryngology office setting employing an airway-management-trainer mannequin and then repeated in a human cadaver lab with standard transnasal flexible video laryngoscopy. Video documentation assessed use of a lever-manipulated deflecting ureteral access sheath with an inner diameter of 2.97 mm, an outer diameter of 4.95 mm, and a length of 45 cm. Simulated transnasal laryngoscopy procedures deployed devices through the deflecting sheath to mimic vocal fold needle injection, biopsy with forceps, balloon dilation, and laser treatment to identify strengths and shortcomings to the technology and technique. RESULTS: Simulation was successful in appropriately directing instrumentation for all procedures tested. Shortcomings included limitations in steering capacity, greater length to the sheath than desirable for laryngeal procedures, and the need for additional assistants to perform procedures. CONCLUSION: Steering sheath technology is applicable to enhance in-office transnasal laryngoscopy procedures. PMID- 29199445 TI - Analysis of the Auditory Feedback and Phonation in Normal Voices. AB - PURPOSE: The aim of this study was to investigate the auditory feedback mechanisms and voice quality during phonation in response to a spontaneous pitch change in the auditory feedback. Does the pitch shift reflex (PSR) change voice pitch and voice quality? Quantitative and qualitative voice characteristics were analyzed during the PSR. METHOD: Twenty-eight healthy subjects underwent transnasal high-speed video endoscopy (HSV) at 8000 fps during sustained phonation [a]. While phonating, the subjects heard their sound pitched up for 700 cents (interval of a fifth), lasting 300 milliseconds in their auditory feedback. The electroencephalography (EEG), acoustic voice signal, electroglottography (EGG), and high-speed-videoendoscopy (HSV) were analyzed to compare feedback mechanisms for the pitched and unpitched condition of the phonation paradigm statistically. Furthermore, quantitative and qualitative voice characteristics were analyzed. RESULTS: The PSR was successfully detected within all signals of the experimental tools (EEG, EGG, acoustic voice signal, HSV). A significant increase of the perturbation measures and an increase of the values of the acoustic parameters during the PSR were observed, especially for the audio signal. CONCLUSIONS: The auditory feedback mechanism seems not only to control for voice pitch but also for voice quality aspects. PMID- 29199446 TI - Advances in School-Based Interventions for Students With Autism Spectrum Disorder: Introduction to the Special Issue. AB - As the diagnosis of autism spectrum disorder has increased, so too has research on interventions to address core and associated features of autism. Although many methodologically rigorous studies on interventions have been reported, their relevance to educators is somewaht unclear. For example, only about 32% of evidence-based strategies identifed in these reviews were conducted in k-12 settings. Current literature also is limited in that, although many studies show that interventions can improve the communication and social interaction skills of individuals with autism, most of this work has been conducted with pre-school children; questions remain about the generality of these findings to school-aged children. Further, there are relatively few studies demonstrating effective interventions for restricted and repetitive behavior and much of this work was conducted in clinical settings. There is a need for studies documenting effective interventions that are feasible in school settings. The purpose of this special issue is two-fold. First, to highlight the need for school-based research with students with autism and second to highlight recent work delineating intervention strategies found to be effective in school settings. PMID- 29199447 TI - Selection and Implementation of Skill Acquisition Programs by Special Education Teachers and Staff for Students With Autism Spectrum Disorder. AB - The present investigation examined special education teachers' selection and use of teaching strategies for receptive identification training with children with autism spectrum disorder (ASD) in their classrooms. Teachers first responded to a survey in which they provided examples of receptive identification tasks taught in their classrooms, rated the efficacy of teaching strategies, described how they determined whether skills were mastered, listed any assessments they conducted to identify relevant prerequisite skills prior to receptive identification training, described how they selected teaching strategies for use in their classrooms, and listed their years of experience as a teacher and working with children with ASD. Subsequent observations of implementation of teaching strategies during trial-based instruction occurred in a proportion of teachers' classrooms. The results of the observations showed that participants did not consistently implement components of trial-based instruction as described in the literature, and there were differences in implementation depending on the types of skills targeted during instruction. PMID- 29199448 TI - Exploring the Moderating Effects of Cognitive Abilities on Social Competence Intervention Outcomes. AB - Many populations served by special education, including those identified with autism, emotional impairments, or students identified as not ready to learn, experience social competence deficits. The Social Competence Intervention Adolescents' (SCI-A) methods, content, and materials were designed to be maximally pertinent and applicable to the social competence needs of early adolescents (i.e., age 11-14 years) identified as having scholastic potential but experiencing significant social competence deficits. Given the importance of establishing intervention efficacy, the current paper highlights the results from a four-year cluster randomized trial (CRT) to examine the efficacy of SCI-A (n = 146 students) relative to Business As Usual (n = 123 students) school-based programming. Educational personnel delivered all programming including both intervention and BAU conditions. Student functioning was assessed across multiple time points, including pre-, mid-, and post-intervention. Outcomes of interest included social competence behaviors, which were assessed via both systematic direct observation and teacher behavior rating scales. Data were analyzed using multilevel models, with students nested within schools. Results suggested after controlling for baseline behavior and student IQ, BAU and SCI students differed to a statistically significant degree across multiple indicators of social performance. Further consideration of standardized mean difference effect sizes revealed these between-group differences to be representative of medium effects (d > .50). Such outcomes pertained to student (a) awareness of social cues and information, and (b) capacity to appropriately interact with teachers and peers. The need for additional power and the investigation of potential moderators and mediators of social competence effectiveness are explored. PMID- 29199449 TI - Structure, conformation in aqueous solution and antimicrobial activity of ulvan extracted from green seaweed Ulva reticulata. AB - The aim of this study is to elucidate the structure and investigate the antimicrobial activity of an ulvan obtained by water extraction from green seaweed Ulva reticulata collected at Nha Trang sea of Vietnam by using IR, NMR, SEC-MALLS and SAXS methods. The ulvan is composed of rhamnose, galactose, xylose, manose and glucose (mole ratio Rha: Gal: Xyl: Man: Glu = 1:0.12:0.1:0.06:0.03), uronic acid (22.5%) and sulphate groups (17.6%). Chemically structural determination showed that the ulvan mainly composed of disaccharide [->4)beta-D GlcA(1->4)alpha-L-Rha3S-(1->]. The results from SAXS indicated that ulvan under study has a rod-like bulky chain conformation. Ulvan from U. reticulata showed high antimicrobial activity, with inhibition zone diameter of 20 mm against Enterobacter cloace and 18 mm against Escherichia coli. PMID- 29199450 TI - Validity of two POCT glucose measurement devices in hypoglycaemia - how reliable is my result? PMID- 29199451 TI - The support needs of family caregivers of persons with dementia in India: Implications for health services. AB - The World Alzheimer's Report estimates that 4.1 million people in India have dementia. Caregivers of persons with dementia face physical, psychological, social and financial problems related to caring for a person with dementia. Literature on the caregiving experience however is highly specific to the sociocultural context and cannot be generalized. In low and middle income countries much of the caregiving takes place in people's homes and is provided by family caregivers. Aim This study aims to explore the needs and challenges of family caregivers in Chennai, India. Method Focus group discussions and in-depth interviews were conducted using a topic guide. Participants were divided based on socio-economic status to ensure homogeneity. An inductive thematic approach was used to analyse and code the data. A total of 19 participants took part in the study. Results The results capture the experience of caregivers of persons with dementia in seeking help and accessing treatment. Priority caregiver needs were identified, including the need for sensitised, skilled health workers, information on dementia and advanced care needs and cost effective services. Conclusion The findings of this study strongly support the need to strengthen health systems capacity, make the health care services dementia friendly and cost effective. The influence of culture in shaping help seeking was evident in our findings. Interventions for caregivers and persons with dementia need to be developed and tested so they might be made fit for purpose and scaled up. It will be important to identify how these services can be adapted for use in low and middle income country resource setting like India. PMID- 29199452 TI - Semaphorin-3A and Netrin-1 predict the development of kidney injury in children with congenital hydronephrosis. AB - Congenital obstructive nephropathy is amongst the main causes of chronic renal failure in children. Early diagnosis and initiation of the treatment will delay progressive renal tubular atrophy and interstitial fibrosis with the loss of nephrons. The aim of this study was to evaluate whether urinary (u) semaphorin-3A (SEMA-3A) and Netrin-1 may be potential biomarkers in children with congenital hydronephrosis due to ureteropelvic junction obstruction (UPJO). The study consisted of 42 children with severe hydronephrosis who needed surgery and two control groups (Control One: 42 children with mild, non-obstructive hydronephrosis; Control Two: 44 healthy children). All children had normal renal function. Urinary semaphorin-3A and Netrin-1 levels were measured in different groups using immunoenzymatic ELISA commercial kits. Compared with Control One and Control Two groups, the preoperative median uSEMA-3A/creatinine (cr.) and uNetrin 1/cr. levels increased significantly in the children with severe hydronephrosis (p < .01). One month after surgery, uSEMA-3A/cr. and uNetrin-1/cr. levels had decreased significantly in the children with severe hydronephrosis (p < .01), but were still higher than those in both control groups (p < .05). Receiver operator characteristic (ROC) analyses revealed a good diagnostic profile for uSEMA-3A and uNetrin-1 in terms of identifying children with a differential renal function of <40% [area under the curve (AUC) 0.825 and 0.745, respectively]. Our results indicate that increased concentrations of uSEMA-3A and uNetrin-1 are found in urine from children with severe hydronephrosis and that their concentrations are related to the degree of obstruction. PMID- 29199453 TI - Composition of legume soaking water and emulsifying properties in gluten-free bread. AB - Soaking of legumes results in the loss of macronutrients, micronutrients and phytochemicals. Fibre, protein and phytochemicals found in legumes exert emulsifying activity that may improve the structure and texture of gluten-free bread. The legume soaking water of haricot beans, garbanzo chickpeas, whole green lentils, split yellow peas and yellow soybeans were tested in this study for functional properties and use as food ingredients. Composition, physicochemical properties and effect on the quality of gluten-free bread were determined for each legume soaking water. Haricot beans and split yellow peas released the highest amount of solids in the legume soaking water: 1.89 and 2.38 g/100 g, respectively. Insoluble fibre was the main constituent of haricot beans legume soaking water, while water-soluble carbohydrates and protein were the major fraction of split yellow peas. High quantities of phenolics (~400 ug/g) and saponins (~3 mg/g) were found in the legume soaking water of haricot beans, whole green lentils and split yellow peas. High emulsifying activity (46 and 50%) was found for the legume soaking water of garbanzo chickpeas and split yellow peas, probably due to their protein content and high ratio of water-soluble carbohydrates to dry matter. Such activity resulted in softer texture of the gluten-free bread. A homogeneous structure of crumb pores was found for split yellow peas, opposing that of whole green lentils. A balance between the contents of yeast nutrients and antinutrients was the likely basis of the different appearances. PMID- 29199454 TI - Effects of null mutation of the heat-shock gene htpG on the production of virulence factors by Pseudomonas aeruginosa. AB - AIM: Pseudomonas aeruginosa is one of the most clinically important opportunistic pathogen in humans. The aim of the project was to study effects of HtpG on the selected virulence factors responsible for pathogenesis and biofilm formation of P. aeruginosa. METHODOLOGY: By characterizing a htpG null mutant of P. aeruginosa, we have identified the role of HtpG in the production of selected factors. RESULTS: We showed that DeltahtpG mutant affects many physiological processes containing: decreased activity of the LasA protease, reduction of biofilm formation, decreased motility, and diminished amount of rhamnolipids and pyoverdine/pyocyanin. These defects were most evident when the DeltahtpG strain was cultured at 42 degrees C. CONCLUSION: Our findings demonstrate the unexplored role of HtpG in the pathogenicity of P. aeruginosa, and indicate potential targets for antibacterial therapeutics. [Formula: see text]. PMID- 29199455 TI - Peptide nanomaterials as future antimicrobial technologies. PMID- 29199456 TI - Secondary metabolites from the Colletotrichum gloeosporioides A12, an endophytic fungus derived from Aquilaria sinensis. AB - Two new cyclohexene derivatives colletotricones A and B (1 and 2) and a new thiazole derivative colletotricole A (5), along with six known natural metabolites were isolated from the extract of Colletotrichum gloeosporioides A12, an endophytic fungus derived from Aquilaria sinensis. Among them, the colletotricones A and B possess a cyclohexenone skeleton, whereas the colletotricole A is a thiazole derivative. Their structures were fully assigned with the aid of extensive spectroscopic analysis and data from the literature. Moreover, cytotoxic activity in vitro of compounds 1 and 3-9 were evaluated against MCF-7, NCI-H460, HepG-2 and SF-268 tumour cell lines. The new compound 1 exhibited growth inhibitory activity against all the four tumour cell lines with IC50 values ranging from 15.7 to 46.8 MUM. PMID- 29199457 TI - Urinary tract infections in long-term care facility residents. PMID- 29199458 TI - Effect of brief periodic fluoride treatments on the virulence and composition of a cariogenic biofilm. AB - The present study investigated the effect of periodic 1-min fluoride treatments on Streptococcus mutans biofilms and then determined the relationship between anti-biofilm activity, treatment frequency, and fluoride concentration using a linear-fitting procedure. S. mutans biofilms were periodically treated (1 min/treatment) with fluoride during biofilm formation and analyzed using microbiological methods, confocal microscopy, and real-time PCR. The results indicated that reductions in the dry weight and acidogenicity of biofilms due to periodic fluoride treatment occurred in a concentration dependent manner. The reduction in dry weight without affecting bacterial cell viability was observed mainly due to the inhibitory effect of fluoride on gtfB and gtfC gene expression, which suppresses EPS production and avoids reduction of the pH below the critical point on the tooth surface. This study suggests that brief periodic exposure to appropriate fluoride concentrations through mouthwashes and toothpastes may affect the virulence and composition of cariogenic biofilms and subsequently prevent dental caries. PMID- 29199459 TI - Isolation and characterization of mesenchymal stem cells and its antitumor application on ovarian cancer cell line. AB - The molecular interaction network of Oct-4 (POU5F1) and NANOG connected to regulation and growth of mesenchymal stem cells (MSCs) were supplemented with information of miRNA to find an important micro-RNAs and supplemented molecular interaction network. Following co-culturing of Bone marrow mesenchymal stem cells (BMMSCs) with SKOV3 ovarian cancer cell lines and undifferentiated BMMSCs, MTT was analyzed for cell cytotoxicity. The analyses of the expression of miRNA were performed either after oesteogenesis (hsa-miR-34 and hsa-miR-335) or chondrogenic (hsa-miR-145 and hsa-miR-455) differentiation. This molecular interaction network was imaged in using software. The results from these findings gave an understanding of the main molecular mechanisms regulating MSCs therapeutic activity and their undifferentiated state maintenance. We recommend that the downregulation of miR-335 is crucial role for tissue homeostasis. PMID- 29199460 TI - Isolated massive intraventricular haemorrhage without subarachnoid haemorrhage due to rupture of a posterior communicating artery aneurysm. AB - The classical presentation of a ruptured intracranial aneurysm is subarachnoid haemorrhage (SAH). We present a rare case of a ruptured posterior communicating artery (PcomA) aneurysm presented solely with massive intraventricular haemorrhage (IVH) in a 53-year-old female. The aneurysm was coiled successfully and the outcome of the patient was excellent. PMID- 29199462 TI - Role of genetics in peripheral arterial disease outcomes; significance of limb salvage quantitative locus-1 genes. AB - Peripheral artery disease is a major health care problem with significant morbidity and mortality. Humans with peripheral artery disease exhibit two major and differential clinical manifestations - intermittent claudication and critical limb ischemia. Individuals with intermittent claudication or critical limb ischemia have overlapping risk factors and objective measures of blood flow. Hence, we hypothesized that variation in genetic make-up may be an important determinant in the severity of peripheral artery disease. Previous studies have identified polymorphism in genes, contributing to extent of atherosclerosis but much less is known about polymorphisms associated with genes that can influence peripheral artery disease severity. This review outlines some of the progress made up-to-date to unravel the molecular mechanisms underlining differential peripheral artery disease severity. By exploring the recovery phenotype of different mouse strains following experimental peripheral artery disease, our group identified the limb salvage-associated quantitative trait locus 1 on mouse chromosome 7 as the first genetic modifier of perfusion recovery and tissue necrosis phenotypes. Furthermore, a number of genes within LSq-1, such as ADAM12, IL-21Ralpha, and BAG3 were identified as genetic modifiers of peripheral artery disease severity that function through preservation of endothelial and skeletal muscle cells during ischemia. Taken together, these studies suggest manipulation of limb salvage-associated quantitative trait locus 1 genes show great promise as therapeutic targets in the management of peripheral artery disease. Impact statement Peripheral artery disease (PAD) is a major health care problem with significant morbidity and mortality. Individuals with similar atherosclerosis burden do display different severity of disease. This review outlines some of the progress made up-to-date in unraveling the molecular mechanisms underlining differential PAD severity with a focus on the role of the Limb Salvage-associated Quantitative trait locus 1 (LSq-1), a key locus in adaptation to ischemia in PAD. PMID- 29199464 TI - Sperm RNA elements as markers of health. AB - : Idiopathic infertility, an etiology not identified as part of standard clinical assessment, represents approximately 20% of all infertility cases. Current male infertility diagnosis focuses on the concentration, motility, and morphology of spermatozoa. This is of limited value when predicting birth success and of limited utility when selecting the optimum treatment. At fertilization, spermatozoa provide their genomic contribution, as well as a set of RNAs and proteins that have distinct roles in development. The potential of spermatozoal RNAs to be used as a prognostic of live birth has been shown [Jodar et al. (2015) Science Translational Medicine 7(295):295re6]. This relied on a set of 648 sperm RNA elements derived from 285 genes that are perhaps indicative of future health status. To address this tenet, the present study correlated the levels of each transcript among all samples to assess linkage between transcript absence, birth success, and possible disease association. Correlations between transcript levels of the 285 genes were analyzed amongst themselves, and within the context of the entire transcript population for these samples. The transcripts ACE, GIGYF2, and ODF2 had many negative correlations and form the majority of correlations, suggesting an important function for these transcripts. Eleven of the 285 queried genes had disease-associated variants within a sperm RNA element. Three genes, GPX4, NDRG1, and RPS24 had SREs were absent in at least one individual from the test cohort. GPX4 and RPS24 are associated with developmental defects and/or neonatal lethality. This leaves the intriguing possibility that, while sperm RNAs delivered to the oocyte inform the success of live birth, they may also be predictors of human health. ABBREVIATIONS: GO: Gene Ontology; ART: assisted reproductive technology; IVF: in vitro fertilization; ICSI: intra-cytoplasmic sperm injection; RNA-seq: RNA-sequencing; TIC: timed intercourse; IUI: intrauterine insemination; SRE: sperm RNA elements; HPA: Human Protein Atlas; SMDS: sedaghatian-type spondylometaphyseal dysplasia; DBA: Diamond-Blackfan anemia; RPKM: reads per kilobase per million; TPM: transcripts per million; IPA: Ingenuity Pathway Analysis; OMIM: Online Mendelian Inheritance in Man. PMID- 29199461 TI - Biomarkers: Delivering on the expectation of molecularly driven, quantitative health. AB - Biomarkers are the pillars of precision medicine and are delivering on expectations of molecular, quantitative health. These features have made clinical decisions more precise and personalized, but require a high bar for validation. Biomarkers have improved health outcomes in a few areas such as cancer, pharmacogenetics, and safety. Burgeoning big data research infrastructure, the internet of things, and increased patient participation will accelerate discovery in the many areas that have not yet realized the full potential of biomarkers for precision health. Here we review themes of biomarker discovery, current implementations of biomarkers for precision health, and future opportunities and challenges for biomarker discovery. Impact statement Precision medicine evolved because of the understanding that human disease is molecularly driven and is highly variable across patients. This understanding has made biomarkers, a diverse class of biological measurements, more relevant for disease diagnosis, monitoring, and selection of treatment strategy. Biomarkers' impact on precision medicine can be seen in cancer, pharmacogenomics, and safety. The successes in these cases suggest many more applications for biomarkers and a greater impact for precision medicine across the spectrum of human disease. The authors assess the status of biomarker-guided medical practice by analyzing themes for biomarker discovery, reviewing the impact of these markers in the clinic, and highlight future and ongoing challenges for biomarker discovery. This work is timely and relevant, as the molecular, quantitative approach of precision medicine is spreading to many disease indications. PMID- 29199463 TI - A new C-glycosyl flavone and a new neolignan glycoside from Passiflora edulis Sims peel. AB - A new C-glycosyl flavone, Chrysin-8-C-(2"-O-beta-6-deoxy-glucopyranosyl)-beta-D glucopyranoside (1), a new neolignan glycoside, citrusin G (2), as well as 15 known compounds (3-17) were isolated from the peel of Passiflora edulis Sims. The structure determinations were primarily based on comprehensive spectroscopic analyses, and the absolute configuration of 2 were unequivocally determined by the CD experiment and chemical transformation. Compound 1 represents the rare examples of the flavonoid featuring a deoxy glucose sugar moiety. Compounds 5, 7 and 9 exhibited moderate inhibitory effects on nitric oxide (NO) production stimulated by lipopolysaccharide (LPS) in RAW 264.7 cells, with IC50 values of 34.92, 16.12 and 26.67 MUM, respectively. PMID- 29199465 TI - 12 Years delayed postoperative spinal recurrence of craniopharyngioma. Case report and literature review. AB - A case of delayed spinal adamantinomatous craniopharyngioma recurrence is presented. A 54-year-old male patient was admitted in our Emergency Department complaining of urinary disorders and leg pains. He underwent surgical removal of intraventricular craniopharyngioma 12 years previously. On MR imaging a well circumscribed intradural cistyc mass at the T12 level was reavealed. A T11 and T12 laminotomy was performed and total removal of the tumour was achieved. Histology examination showed adamantinous craniopharyngioma. The authors believe that this represents the third case described of spinal craniofaryngioma recurrence and the first involving the dorsal spine. PMID- 29199466 TI - Toxicological evaluation in silico and in vivo of secondary metabolites of Cissampelos sympodialis in Mus musculus mice following inhalation. AB - The ethanolic extract of the leaves of Cissampelos sympodialis showed great pharmacological potential, with inflammatory and immunomodulatory activities, however, it showed some toxicological effects. Therefore, this study aims to verify the toxicological potential of alkaloids of the genus Cissampelos through in silico methodologies, to develop a method in LC-MS/MS verifying the presence of alkaloids in the infusion and to evaluate the toxicity of the infusion of the leaves of C. sympodialis when inhaled by Swiss mice. Results in silico showed that alkaloid 93 presented high toxicological potential along with the products of its metabolism. LC-MS/MS results showed that the infusion of the leaves of this plant contained the alkaloids warifteine and methylwarifteine. Finally, the in vivo toxicological analysis of the C. sympodialis infusion showed results, both in biochemistry, organ weights and histological analysis, that the infusion of C. sympodialis leaves presents a low toxicity. PMID- 29199467 TI - Primary Calvarial Tuberculosis: a report of three cases. AB - Calvarial tuberculosis is rare presentation and has been reported in only about 0.01% of all patients with mycobacterial infections. Though rare, the incidence of Calvarial tuberculosis seems to be on the rise, especially in developing countries. We present three cases of Calvarial tuberculosis which were successfully managed at our Centre. All the cases occurred de novo in young, otherwise healthy individuals, hailing from good socio-economic backgrounds and without any past history or contact history with tuberculosis patients. We highlight the importance of keeping this diagnosis in mind in appropriate clinical situations as well as recommend the early commencement of optimal management to prevent serious neurologic complications & sequelae. PMID- 29199468 TI - Chemical composition of Helietta parvifolia and its in vitro anticholinesterase activity. AB - The chemical composition of the essential oil and the n-hexane (Hex), Ethyl Acetate (EtOAc) and butanol (BuOH) extracts from the leaves of Helietta parvifolia were determined by detailed GC-MS analysis, spectroscopic and spectrometric data. Eighty-four compounds were identified, revealing a furoquinoline alkaloid-rich composition. The phytochemical analysis of the extracts allowed the isolation of eigth furoquinoline alkaloids. Retention indices in GC-MS for six of this alkaloids are reported for the first time. Furoquinoline alkaloids are acethylcholinesterase inhibitors. Thus, the essential oil and extracts were submitted to this in vitro assay. The EtOAc and BuOH extracts showed potent activity, with IC50 of 9.7 and 12.9 MUg mL-1, respectively. Additionaly, a correlation of their chemical constituents, established by principal component analysis (PCA) demostrated a similar profile and a high content of alkaloids. It is for these reasons that we can assume that the alkaloid content in these extracts could be responsible for their anticholinesterase activity. PMID- 29199469 TI - An exploratory study of the long-term impact of difficulty kneeling after total knee replacement. AB - PURPOSE: To explore the long-term impact of difficulty with kneeling and how healthcare services could be improved to help patients kneel after total knee replacement. PATIENTS AND METHODS: Telephone interviews were conducted with 56 patients who had extreme difficulty kneeling at 7-10 years after knee replacement. Patients were asked about reasons for difficulty kneeling, how it impacted upon their lives, and experiences of healthcare services. Responses were recorded on a standardized proforma and a descriptive content analysis performed. RESULTS: Most people had difficulty kneeling because of pain or discomfort in the replaced knee. Many patients described how this limitation affected their daily lives, including housework, gardening, religious practices, leisure activities and getting up after a fall. Patients often adapted to these limitations by finding alternatives to kneeling, assistance from others or home adaptations. Many patients had accepted that they could not kneel, however some still expressed frustrated. Few patients had consulted with healthcare professionals about kneeling difficulties, and unmet needs included the provision of information about kneeling and post-operative physiotherapy. INTERPRETATION: This study provides an initial insight into how difficulty kneeling after knee replacement impacts upon patientsand the need for better healthcare provision. Implications for rehabilitation Rehabilitation professionals should be aware that many patients experience difficulty with kneeling after total knee replacement and that this has a long-term impact upon patients. There is a need for rehabilitation after knee replacement to address kneeling difficulties. It is suggested that this rehabilitation should be delivered early in the postoperative recovery phase and designed to address the multifactorial reasons that patients find kneeling problematic. PMID- 29199470 TI - Risk Factors for 30-Day Complications After Thumb CMC Joint Arthroplasty: An American College of Surgeons National Surgery Quality Improvement Program Study. AB - BACKGROUND: The first carpometacarpal (CMC) joint is a common site of osteoarthritis, with arthroplasty being a common procedure to provide pain relief and improve function with low complications. However, little is known about risk factors that may predispose a patient for postoperative complications. METHODS: All CMC joint arthroplasty from 2005 to 2015 in the prospectively collected American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) database were identified. Bivariate testing and multiple logistic regressions were performed to determine which patient demographics, surgical variables and medical comorbidities were significant predictors for complications. These included wound related, cardiopulmonary, neurological and renal complications, return to the operating room (OR) and readmission. RESULTS: A total of 3344 patients were identified from the database. Of those, 45 patients (1.3%) experienced a complication including wound issues (0.66%), return to the OR (0.15%) and readmission (0.27%) amongst others. When performing bivariate analysis, age over 65, American Society of Anesthesiologists (ASA) Class, diabetes and renal dialysis were significant risk factors. Multiple logistic regression after adjusting for confounding factors demonstrated that insulin dependent diabetes and ASA Class 4 had a strong trend while renal dialysis was a significant risk factor. CONCLUSIONS: CMC arthroplasty has a very low overall complication rate of 1.3% and wound complication rate of 0.66%. Diabetes requiring insulin and ASA Class 4 trended towards significance while renal dialysis was found to be a significant risk factors in logistic regression. This information may be useful for preoperative counseling and discussion with patients who have these risk factors. PMID- 29199471 TI - Outcomes of Triceps Rupture in the US Military: Minimum 2-Year Follow-up. AB - BACKGROUND: The objective of this study was to examine the subjective and objective midterm functional clinical outcomes of surgically repaired triceps injuries in a moderate- to high-demand population. METHODS: The US Military Health System was queried to identify all surgically treated triceps tendon ruptures between 2008 and 2013. Primary endpoints included rates of rerupture, perioperative complications, or significant persistent elbow dysfunction; Disability of the Arm, Shoulder and Hand (DASH) score, Mayo Elbow score, and ability to do push-ups were also extracted. RESULTS: Thirty-seven patients underwent triceps tendon repair with a mean follow-up of 49.8 +/- 17.3 months (range: 26.8-80.2). The most common mechanisms of injury were military duties (27%), sporting activity (24%), or fall-related (21.6%), with most injuries occurring during an eccentric movement (54%). While 45% experienced occasional elbow pain postoperatively, only 1 patient (2.7%) had a rerupture. Despite this, at 2 years, 31 patients (84%) were able to return to full military duty. While 6 patients were discharged from military service, only 1 underwent medical separation while 5 retired for reasons unrelated to their triceps tendon rupture. Patient-reported outcomes were available for 14 patients at final follow-up. The average DASH and Mayo Elbow scores were 4.7 (SD +/- 4.7, range: 0-15.9) and 85.4 (SD +/- 11.7, range: 60-100), respectively. The cohort could perform mean 54.2 (range: 9-90) push-ups. In additional, 12 of 14 (85.7%) were satisfied with their elbow function. CONCLUSIONS: The active duty cohort experienced excellent postoperative results with a high rate of return to military duty, despite nearly half of the patients recognizing some degree of activity-related, elbow pain. PMID- 29199472 TI - Behavior of Caenorhabditis elegans in a nicotine gradient modulated by food. AB - Nicotine decreases food intake, and smokers often report that they smoke to control their weight. To see whether similar phenomena could be observed in the model organism Caenorhabditis elegans, we challenged drug-naive nematodes with a chronic low (0.01 mM) and high (1 mM) nicotine concentration for 55 h (from hatching to adulthood). After that, we recorded changes in their behavior in a nicotine gradient, where they could choose a desired nicotine concentration. By using a combination of behavioral and morphometric methods, we found that both nicotine and food modulate worm behavior. In the presence of food (E. coli OP50) the nematodes adapted to the low nicotine concentration, when placed in the gradient, chose a similar nicotine concentration like C. elegans adapted to the high nicotine concentration. However, in the absence of food, the nematodes adapted to the low nicotine concentration, when placed in the gradient of this alkaloid, chose a similar nicotine concentration like naive worms. The nematodes growing up in the presence of high concentrations of nicotine had a statistically smaller body size, compared to the control condition, and the presence of food did not cause any enhanced slowing movement. These results provide a platform for more detailed molecular and cellular studies of nicotine addiction and food intake in this model organism. PMID- 29199473 TI - Sun Protection Among New Zealand Primary School Children. AB - Schools are an important setting for raising skin cancer prevention awareness and encouraging sun protection. We assessed the clothes worn and shade used by 1,278 children in eight schools in the Wellington region of New Zealand. These children were photographed for the Kids'Cam project between September 2014 and March 2015 during school lunch breaks. Children's mean clothing coverage (expressed as a percentage of body area covered) was calculated. Data on school sun-safety policies were obtained via telephone. Mean total body clothing coverage was 70.3% (95% confidence interval = 66.3%, 73.8%). Body regions with the lowest mean coverage were the head (15.4% coverage), neck (36.1% coverage), lower arms (46.1% coverage), hands (5.3% coverage), and calves (30.1% coverage). Children from schools with hats as part of the school uniform were significantly more likely to wear a hat (52.2%) than children from schools without a school hat (2.7%). Most children (78.4%) were not under the cover of shade. Our findings suggest that New Zealand children are not sufficiently protected from the sun at school. Schools should consider comprehensive approaches to improve sun protection, such as the provision of school hats, sun-protective uniforms, and the construction of effective shade. PMID- 29199474 TI - Effects of maternal exposure to extract of Trichilia catigua on antibody production in the offspring of Wistar rats. AB - It was evaluated the effects of maternal treatment with the Trichilia catigua (ExTc) crude extract on the antibodies' production by their offspring. Female rats received ExTc or saline from the first day of pregnancy until the twenty first day after the birth of the pups, when the pups were weaned. All pups were inoculated with two doses of 50 MUg of IgY diluted in aluminium hydroxide/PBS on days 26 and 40 of life. Antibody levels were analysed by ELISA. Our results show an increase in levels of IgG1 and IgG2a anti-IgY in female offspring of mothers treated with ExTc compared to female offspring of untreated mothers. Furthermore, ExTc treatment suppressed the production of IgG2a anti-IgY antibodies in males. The data show that maternal exposure to ExTc can modulate the production of antibodies in the offspring. PMID- 29199475 TI - Chromosomal instability and cytotoxicity induced by ribavirin: comparative analysis in cell lines with different drug-metabolizing profiles. AB - Ribavirin is an important component of the treatment for hepatitis C virus (HCV) infection and, in combination with the new direct-acting antiviral (DAA) agents, comprises the major current therapeutic regimens. This study evaluated the cytotoxicity and chromosomal instability induced by ribavirin using the in vitro cytokinesis-block micronucleus cytome (CBMN-Cyt) assay in two cell lines with different expression levels of drug-metabolizing enzymes: human hepatocellular carcinoma cells (HepG2) and Chinese hamster ovary (CHO-K1) cells. HepG2 cells were treated with nine concentrations (from 15.3 MUg/ml to 3.9 mg/ml) and CHO-K1 cells were exposed to eight concentrations (from 15.3 MUg/ml to 1.9 mg/ml) of ribavirin for 24 h. Ribavirin inhibited cell proliferation in both cell lines, but at different concentrations: 3.9 mg/ml in HepG2 and 244.2 MUg/ml in CHO-K1 cells. No significant differences were observed regarding aspects of cell death in HepG2 and CHO-K1 cells, reflecting the absence of cytotoxic effects associated to ribavirin. Ribavirin did not increase the frequency of nucleoplasmic bridges (NPBs) and nuclear bud (NBUD). However, when compared to the negative control, a significant increase in micronuclei (MNi) frequency was observed in both cell lines. However, chromosomal instability was induced by higher concentrations of ribavirin in HepG2 cells (from 61.1 to 976.8 MUg/ml), compared with CHO-K1 cells (15.3 and 30.5 MUg/ml). These results demonstrate the potential of ribavirin to promote chromosomal instability, and suggest that cells with different expressions of drug-metabolizing enzymes show different susceptibility to ribavirin effects. PMID- 29199476 TI - Sexual Violence Victimization Among Youth Presenting to an Urban Emergency Department: The Role of Violence Exposure in Predicting Risk. AB - Sexual violence (SV) is a widespread public health problem among adolescents and emerging adults with significant short- and long-term consequences. Young people living in urban, disadvantaged communities with high rates of violence may be especially at risk for SV victimization. Understanding interconnections between different forms of violence is critical to reducing SV risk among youth. Participants were youth ( N = 599) ages 14 to 24 years ( M = 20.05, SD = 2.42) presenting to an urban emergency department with a Level 1 trauma designation as part of a prospective cohort study and followed-up for 24 months. We used logistic regression to examine the probability of reporting SV during the 24 month follow-up based on baseline reports of community and peer violence exposure, accounting for previous SV victimization, substance use, and sociodemographic characteristics. Among youth presenting to an urban emergency department, 22% of youth not seeking care for a sexual assault reported any lifetime SV (forced and/or substance-induced sexual intercourse) at baseline. During the 24-month follow-up, 12% reported SV victimization. We found high community violence exposure (odds ratio [OR] = 2.96, 95% confidence interval [CI] [1.01, 8.68]) and peer violence exposure (OR = 1.58, 95% CI [1.19, 2.08]) were associated with increased odds of reporting SV during follow-up in addition to previous SV victimization (OR = 2.71, 95% CI [1.45, 5.09]). Sex, age, parent education, and alcohol or other drug use at baseline were not associated with odds of SV during follow-up. Investigating interconnections between SV victimization and other forms of violence across socioecological levels provides an opportunity to advance SV research and identify promising avenues for prevention based on other violence prevention research. Future strategies for SV prevention that incorporate community and peer components as well as SV-specific content may help reduce SV victimization among youth living in urban, disadvantaged communities. PMID- 29199477 TI - Phenylpropanoid glucosides from Tadehagi triquetrum inhibit oxLDL-evoked foam cell formation through modulating cholesterol homeostasis in RAW264.7 macrophages. AB - The phenylpropanoid glucosides from Tadehagi triquetrum were found to be beneficial to glucose and lipid metabolism in vitro. Herein, we investigated the effects of these compounds on oxidised low-density lipoprotein (oxLDL)-induced foam cell formation in RAW264.7 macrophages, aiming to evaluate their potential utility in prevention of atherosclerosis. Our results showed that three out of seven phenylpropanoid glucosides significantly inhibited oxLDL-evoked foam cell formation. These three compounds remarkably inhibited cholesterol influx and enhanced cholesterol efflux. Treatment with compounds 3, 4 and 7 significantly down-regulated the expression of scavenge receptors 1 (SR-1) and cluster of differentiation 36 (CD36) and increased the expression ATP-binding cassette transporters A1 and G1 (ABCA1 and ABCG1). Analyses of structure-activity relationships revealed that cinnamyl group was the most pivotal group for their activities. This work provided phenomenon that these phenylpropanoid glucosides are effective regulator of cholesterol influx/efflux and may be useful in leading for development of anti-atherosclerotic agents. PMID- 29199478 TI - Effect of certain non-steroidal anti-inflammatory drugs on the paraoxonase 2 (PON2) in human monocytic cell line U937. AB - The paraoxonase gene family in humans consists of three members as PON1, PON2 and PON3. PON2 can be expressed in several tissues; however, it is not released from the cells in those tissues. PON2 is also expressed in macrophages. Firstly, the commonly used NSAIDs diclofenac sodium and tenoxicam were applied on U937 cell line, the in vitro human monocyte cell line. Than PON2 specific Lactonase activity and paraoxonase family specific arylesterase were determined. Use of Diclofenac sodium in 0.845 mM dose during 6-12 h of incubation and Tenoxicam in 0.74 mM dose during 6 h of incubation resulted in a significant decline in the lactonase activity. Diclofenac sodium didn't make any change in the arylesterase activity. On the other hand, tenoxicam decreased arylesterase activity during the use of 12 h, in 0.74 mM and 1.48 mM dose. PMID- 29199479 TI - A Statistical Study of Metatarsal Anatomy: Toward the Design of Wide-Range Prosthetic Solutions. AB - : The aim of the study is to provide some characteristic parameters of the anatomy of metatarsals from computed tomography (CT) scans. These data are important for more anatomical metatarsal head resurfacing prosthesis conception. Measures were performed on 20 CT scans from 17 patients with a mean age of 44.35 +/- 15.75 years old. The panel was composed of 40% male and 50% left feet. Measurements were divided in 2 distinct categories: linear measurements with length of metatarsal, head radius and head, and diaphysis and base thicknesses, and cross-sectional area measurements, including cortical and cancellous bone area at 10%, 25%, 50%, 60%, 75%, and 90% of the metatarsal's length. The results included the mean and SD found for each measured value. This study is the first step toward a better understanding of the metatarsal's anatomy, so as to design a more anatomical range of metatarsal head resurfacing implants. LEVELS OF EVIDENCE: Level IV. PMID- 29199480 TI - Citizens' understanding of welfare of animals on the farm: An empirical study. AB - Many people believe that welfare standards for nonhuman animals on farms need to be improved. However, the definition of farm animal welfare (FAW) remains unclear, as different disciplines have developed competing understandings of FAW. Some studies have investigated citizens' understanding of FAW through quantitative surveys. This study combined both closed-ended and open-ended questions and compared the findings from the different types of questions. For the open-ended question, respondents mostly named criteria in the categories of "housing system" and "management practice"; however, for the closed-ended question, the category "animal health" was most important. These findings suggest that not only whom you ask determines what comprises animal welfare, but how you ask. These findings should be considered when developing new animal welfare programs to increase the likelihood that the new programs will be accepted by the broader public and meet its expectations. In particular, improvements concerning animal health need to be publicized and clearly communicated to citizens, as health-related aspects are important to many people even though those aspects may not be the first thing they mentioned when asked. PMID- 29199481 TI - The conversational position in endoscopic pituitary surgery. AB - We describe a novel patient position for endoscopic transphenoidal surgery - the 'conversational position'. This position is a safe and effective alternative to the standard supine position, incorporating a semi-sitting position with the additional innovation of achieving a 'conversational position' by flexing the neck and turning the patient's head turned to face the surgeon. The 'conversational' position offers improvements in the surgical approach to sellar region, addressing specific intraoperative challenges such as maintaining a bloodless operative field, and enabling more intuitive and ergonomic surgical workflow. PMID- 29199482 TI - Low dose anti-thymocyte globulin reduces chronic graft-versus-host disease incidence rates after matched unrelated donor transplantation. AB - Anti-thymocyte globulin (ATG) is often added to hematopoietic stem cell transplant conditioning regimens to prevent graft rejection and reduce graft versus-host disease (GVHD). Doses used in retrospective and prospective clinical trials have ranged from 2.5 to 20 mg/kg with rates of grade II-IV acute GVHD and chronic GVHD up to 40 and 60%, respectively. We retrospectively compared outcomes in recipients of matched unrelated donor (MUD) grafts given low dose rabbit ATG IV 3 mg/kg (n = 52) versus recipients of matched related donor (MRD) grafts (n = 48) without ATG. One year cumulative incidence of chronic GVHD was 25.2% in the MUD group versus 33.3% in the MRD group (p = .5). One-year cumulative incidence of extensive chronic GVHD was 9.6% in the MUD group versus 26.6% in the MRD group (p = .042). Our analysis supports the use of low dose ATG in MUD transplantation as an effective therapy to prevent chronic GVHD. PMID- 29199483 TI - Anthropometric and metabolic improvements in human type 2 diabetes after introduction of an Okinawan-based Nordic diet are not associated with changes in microbial diversity or SCFA concentrations. AB - The Okinawan-based Nordic (O-BN) diet improves anthropometry and metabolism in type 2 diabetes mellitus (T2DM) patients. The aim of this study was to study mechanisms behind improvements by examining Enterobacteriaceae abundance, microbial diversity, and concentrations of short-chain fatty acids (SCFAs). A secondary aim was exploring if metformin treatment affects microbiota or SCFAs. Thirty T2DM patients received the O-BN diet for 12 weeks. Faecal and blood samples were collected at baseline, 12 and 28 weeks. Although patients experienced weight loss and improved metabolic parameters, there were no significant changes in Enterobacteriaceae abundance or microbial diversity. Patients on metformin displayed higher Enterobacteriaceae abundance throughout the study (p = .008, p = .038, and p = .001, respectively). Isovaleric acid was decreased after 12 weeks (p = .018). Butyric acid was decreased at follow-up (p = .007). Improved anthropometry and metabolism in T2DM after introduction of the O BN diet is not associated with changes in Enterobacteriaceae abundance, microbial diversity or SCFA concentrations. PMID- 29199484 TI - Symmetric molecules with 1,4-triazole moieties as potent inhibitors of tumour associated lactate dehydrogenase-A. AB - A series of symmetric molecules incorporating aryl or pyridyl moieties as central core and 1,4-substituted triazoles as a side bridge was synthesised. The new compounds were investigated as lactate dehydro-genase (LDH, EC 1.1.1.27) inhibitors. The cancer associated LDHA isoform was inhibited with IC50 = 117-174 uM. Seven compounds exhibited better LDHA inhibition (IC50 117-136 uM) compared to known LDH inhibitor - galloflavin (IC50 157 uM). PMID- 29199485 TI - A safety evaluation of raltegravir for the treatment of HIV. AB - INTRODUCTION: Raltegravir (RAL) was the first commercialized agent from a new drug class with an innovative target, the integrase. Since its introduction in clinical practice RAL has become widely used for the treatment of HIV-1 infected patients. A decade after its approval, this article reviews key evidence from RAL with a special interest on safety outcomes. Areas covered: Pharmacologic, safety and efficacy data of RAL from clinical trials and post-commercialization published reports are hereby summarized after a literature review including PubMed search, relating proceedings and abstracts from relevant international HIV conferences, assessment reports from European and United States regulatory agencies and treatment guidelines (World Health Organization, United States Department of Health and Human Services and European AIDS Clinical Society), up to October 2017. Most frequent search terms were 'raltegravir', 'safety', 'adverse events', 'efficacy' and 'integrase-inhibitors'. Expert opinion: Despite the arrival of new integrase strand transfer inhibitors (INSTIs) with advantages in terms of dosing convenience (elvitegravir, ELV) and higher genetic barrier (dolutegravir, DTG), RAL has stood the test of time and its overall favourable safety profile, without significant appearance of unexpected adverse events, vouch for its relevance in the antiretroviral armamentarium. PMID- 29199486 TI - Series: Practical guidance to qualitative research. Part 3: Sampling, data collection and analysis. AB - In the course of our supervisory work over the years, we have noticed that qualitative research tends to evoke a lot of questions and worries, so-called frequently asked questions (FAQs). This series of four articles intends to provide novice researchers with practical guidance for conducting high-quality qualitative research in primary care. By 'novice' we mean Master's students and junior researchers, as well as experienced quantitative researchers who are engaging in qualitative research for the first time. This series addresses their questions and provides researchers, readers, reviewers and editors with references to criteria and tools for judging the quality of qualitative research papers. The second article focused on context, research questions and designs, and referred to publications for further reading. This third article addresses FAQs about sampling, data collection and analysis. The data collection plan needs to be broadly defined and open at first, and become flexible during data collection. Sampling strategies should be chosen in such a way that they yield rich information and are consistent with the methodological approach used. Data saturation determines sample size and will be different for each study. The most commonly used data collection methods are participant observation, face-to-face in-depth interviews and focus group discussions. Analyses in ethnographic, phenomenological, grounded theory, and content analysis studies yield different narrative findings: a detailed description of a culture, the essence of the lived experience, a theory, and a descriptive summary, respectively. The fourth and final article will focus on trustworthiness and publishing qualitative research. PMID- 29199487 TI - 2',4-Dihydroxy-3',4',6'-trimethoxychalcone from Chromolaena odorata possesses anti-inflammatory effects via inhibition of NF-kappaB and p38 MAPK in lipopolysaccharide-activated RAW 264.7 macrophages. AB - CONTEXT: Immune dysregulation has been implicated in the pathogenesis of many diseases. Macrophages play a crucial role contributing to the onset, progression, and resolution of inflammation. Macrophage inflammatory mediators are of considerable interest as potential targets to treat inflammatory diseases. OBJECTIVE: The present study was conducted to elucidate the anti-inflammatory mechanism of 2',4-dihydroxy-3',4',6'-trimethoxychalcone (1), the major chalcone isolated from Chromolaena odorata (L.) R.M.King & H.Rob, against lipopolysaccharide (LPS)-induced inflammation in RAW 264.7 macrophages. MATERIALS AND METHODS: Cell viability, nitric oxide (NO), and proinflammatory cytokines of LPS-activated RAW 264.7 cells were measured by MTT, Griess, and ELISA assays, respectively. Cell lysates were subjected to Western blotting for investigation of protein expression. RESULTS AND DISCUSSION: Treatment with the major chalcone 1 significantly attenuated the production of NO and proinflammatory cytokines, tumor necrosis factor-alpha, interleukin-1beta, and interleukin-6 in a dose dependent manner. The chalcone suppressed nuclear factor-kappaB (NF-kappaB) stimulation by preventing activation of inhibitor kappaB kinase (IKK) alpha/beta, degradation of inhibitor kappaB (IkappaB) alpha, and translocation of p65 NF kappaB into the nucleus. Additionally, the chalcone markedly repressed the phosphorylation of p38 mitogen-activated protein kinase (MAPK), but no further inhibition was detected for c-Jun N-terminal activated kinases or extracellular regulated kinases. Thus, suppression of NF-kappaB and p38 MAPK activation may be the core mechanism underlying the anti-inflammatory activity of 2',4-dihydroxy 3',4',6'-trimethoxychalcone (1). CONCLUSION: These findings provide evidence that 2',4-dihydroxy-3',4',6'-trimethoxychalcone (1) possesses anti-inflammatory activity via targeting proinflammatory macrophages. This anti-inflammatory chalcone is a promising compound for reducing inflammation. PMID- 29199488 TI - Which dietary patterns are more likely to be associated with aspects of eco sustainable food behaviours in Italy? AB - Sustainable food consumption (SFC) policies need further investigation into eating habits to improve interventions to encourage shifting to new consumption patterns respectful of human rights, environment and health. Reversing the usual approach focussed on sustainable consumer, the present study investigates how different eating patterns relate to eco-sustainable food. A cluster analysis was carried out on consumption frequencies of food groups recorded in an Italian national survey on 3004 respondents, providing four eating habit segments, further investigated as for sustainable food attitude and behaviour. Openness to eco-sustainable food is found mostly in the more balanced diet segment, accounting for about one third of the adult Italian population. Inaccessibility, non-affordability, unhealthy diet and a lack of information still negatively condition eating habits to the detriment of more sustainable consumption. These findings could support SFC stakeholders in targeting policies and strategies based on diversified approaches to enhance awareness of SFC issues. PMID- 29199489 TI - Crystal structure of the human carbonic anhydrase II adduct with 1-(4 sulfamoylphenyl-ethyl)-2,4,6-triphenylpyridinium perchlorate, a membrane impermeant, isoform selective inhibitor. AB - Pyridinium containing sulfonamides have been largely investigated as carbonic anhydrase inhibitors (CAIs), showing interesting selectivity features. Nevertheless, only few structural studies are so far available on adducts that these compounds form with diverse CA isoforms. In this paper, we report the structural characterization of the adduct that a triphenylpyridinium derivative forms with hCA II, showing that the substitution of the pyridinium ring plays a key role in determining the conformation of the inhibitor in the active site and consequently the binding affinity to the enzyme. These findings open new perspectives on the basic structural requirements for designing sulfonamide CAIs with a selective inhibition profile. PMID- 29199490 TI - The role of electroencephalogram in neonatal seizure detection. AB - INTRODUCTION: The role of EEG in neonatal seizure detection is well-established, being the multichannel video-EEG the gold standard. However, in the clinical practice often amplitude integrated EEG (aEEG) is used, in order to overcome the difficulties related to EEG use. Areas covered: An overview regarding neonatal seizures, current tools used to detect these (multichannel EEG versus aEEG) with respective strenghts and limitations, and some tools that can implement the use of multichannel EEG in the NICU. Expert commentary: Multichannel video-EEG is still a gold standard for seizure detection. Indeed, this tool allows to avoid both underestimation of neonatal seizure incidence and overtreatment with anticonvulsant drugs. Furthermore, it has to be acknowledged that multichannel video-EEG monitoring is not limited to the only seizure detection, providing also the information needed for a more accurate assessment of the background activity and some specific waves/pattern and features indicative of the brain development. PMID- 29199492 TI - Development of B-cell prolymphocytic leukemia in a patient with splenic diffuse red pulp small B-cell lymphoma. PMID- 29199491 TI - New pentadienone oxime ester derivatives: synthesis and anti-inflammatory activity. AB - To develop novel anti-inflammatory agents, a series of new pentadienone oxime ester compounds were designed and synthesized. The structures were determined by IR, 1H NMR, 13 C NMR, and HRMS. All compounds have been screened for their anti inflammatory activity by evaluating their inhibition against LPS-induced nitric oxide (NO) release in RAW 264.7 cell. Among them, compound 5j was found to be one of the most potent compounds in inhibiting NO and IL-6 (IC50 values were 6.66 uM and 5.07 uM, respectively). Preliminary mechanism studies show that title compound 5j could significantly suppress expressions of nitric oxide synthase, COX-2, and NO, IL-6 through Toll-like receptor 4/mitogen-activated protein kinases/NF-kappaB signalling pathway. These data support further studies to assess rational design of more efficient pentadienone oxime ester derivatives with anti-inflammatory activity in the future. PMID- 29199493 TI - Antenatal vaccination to decrease pertussis in infants: safety, effectiveness, timing, and implementation. AB - Pertussis remains a serious global health issue in infants aged less than 6 months. Neonates and young infants have the highest risk of developing pertussis as they are too young to be vaccinated and thus are more likely to develop more severe pertussis-related complications, including death. Protecting this vulnerable age population from pertussis is considered a main priority in many national health programs. Two vaccine strategies exist to protect infants from pertussis: "cocooning" and maternal vaccination during pregnancy. The latter is the more recent and preferred strategy, which protects newborns by passive transplacental transfer of pertussis antibodies. We review the reported evidence on the safety, effectiveness, timing and implementation of this antenatal immunization strategy. PMID- 29199494 TI - Putting Out Fires: Understanding the Developmental Nature and Roles of Inmate Gangs in the Philippine Overcrowded Jails. AB - Utilizing intensive interview data from inmates in one of the most overcrowded and underresourced jails in Metro Manila, Philippines, this article explores the origins and roles of inmate pangkats (a derivative of gangs) in jail management. Responding to institutional deficiencies, such as police misconduct and court case delays, and structural shortages, such as lack of space, operational resources, and personnel, this article investigates how the pangkats supplement jail management and help keep the jail operations afloat. Specifically, this article documents how the pangkats put out fires: their intricate roles in mitigating pains of imprisonment, conflict mediation, order maintenance, and instilling discipline among their members. This article also details the emergence of a give-and-take relationship that develops between and among the pangkats and jail officials that are reflective of the Philippine sociocultural realities. Implications to theory on prison community and policy on gang management in a developing country context are discussed. PMID- 29199495 TI - Food perception at lunchtime does not depend on the nutritional and perceived characteristics of breakfast. AB - Breakfast consumption can entail nutritional advantages positively affecting food choices. This study investigated the effect of minor changes in breakfast composition on the perceived attributes of foods, both at breakfast and at lunchtime. Four breakfasts were defined considering nutritional and perceptual factors. Three breakfasts varied just for a single cereal-based chocolate containing food item, while a control breakfast mimicked fasting conditions. Breakfast perception was assessed before and after consumption. Subjects rated breakfast energy content on the basis of single items, while judged breakfast healthiness as a whole, suggesting that the combination of different ingredients can modify the perceived health value of foods. Additionally, 4 h after breakfast, a perceptual evaluation of lunch-related food images was performed, without differences among breakfasts. This study extends current knowledge on the relationship between subjective perceptual attributes and objective energy value and food composition, as well as on breakfast impact on food perception at lunchtime. PMID- 29199497 TI - Erratum. PMID- 29199496 TI - Recent trends on the role of epigenomics, metabolomics and noncoding RNAs in rationalizing mood stabilizing treatment. AB - Mood stabilizers are the cornerstone in treatment of mood disorders, but their use is characterized by high interindividual variability. This feature has stimulated intensive research to identify predictive biomarkers of response and disentangle the molecular bases of their clinical efficacy. Nevertheless, findings from studies conducted so far have only explained a small proportion of the observed variability, suggesting that factors other than DNA variants could be involved. A growing body of research has been focusing on the role of epigenetics and metabolomics in response to mood stabilizers, especially lithium salts. Studies from these approaches have provided new insights into the molecular networks and processes involved in the mechanism of action of mood stabilizers, promoting a systems-level multiomics synergy. In this article, we reviewed the literature investigating the involvement of epigenetic mechanisms, noncoding RNAs and metabolomic modifications in bipolar disorder and the mechanism of action and clinical efficacy of mood stabilizers. PMID- 29199498 TI - GPGPU-based explicit finite element computations for applications in biomechanics: the performance of material models, element technologies, and hardware generations. AB - Finite element (FE) simulations are increasingly valuable in assessing and improving the performance of biomedical devices and procedures. Due to high computational demands such simulations may become difficult or even infeasible, especially when considering nearly incompressible and anisotropic material models prevalent in analyses of soft tissues. Implementations of GPGPU-based explicit FEs predominantly cover isotropic materials, e.g. the neo-Hookean model. To elucidate the computational expense of anisotropic materials, we implement the Gasser-Ogden-Holzapfel dispersed, fiber-reinforced model and compare solution times against the neo-Hookean model. Implementations of GPGPU-based explicit FEs conventionally rely on single-point (under) integration. To elucidate the expense of full and selective-reduced integration (more reliable) we implement both and compare corresponding solution times against those generated using underintegration. To better understand the advancement of hardware, we compare results generated using representative Nvidia GPGPUs from three recent generations: Fermi (C2075), Kepler (K20c), and Maxwell (GTX980). We explore scaling by solving the same boundary value problem (an extension-inflation test on a segment of human aorta) with progressively larger FE meshes. Our results demonstrate substantial improvements in simulation speeds relative to two benchmark FE codes (up to 300[Formula: see text] while maintaining accuracy), and thus open many avenues to novel applications in biomechanics and medicine. PMID- 29199499 TI - A nutritional evaluation of various typical Italian breakfast products: a comparison of macronutrient composition and glycaemic index values. AB - Breakfast foods with lower glycaemic responses are associated with better body weight control. Glycaemic index (GI) values of some commonly consumed breakfast foods in Italy were determined and compared, along with macronutrients. Cakes/pastries were low-medium GI (44-60), with high-sugar and saturated fat and low-fibre. Generally, mueslis and breads were medium GI (62-66 and 59-76, respectively) with higher fibre and lower saturated fat and sugar. The addition of spreads to bread lowered GI (47-66) but increased sugar and saturated fat. PMID- 29199500 TI - Management of a rare case of posterior condylar canal dural arteriovenous fistula presenting with subarachnoid haemorrhage: A case report and review of literature. AB - Posterior condylar canal dural arteriovenous fistula (PCC dAVF) is a rare entity with only three cases having been reported so far in the English literature. We describe the clinical presentation, imaging, and endovascular management of an elderly man with left PCC dAVF presenting with subarachnoid haemorrhage (SAH). Endovascular management of such cases requires thorough understanding of the vascular anatomy around the craniovertebral junction (CVJ) and variable bridging vein draining patterns. The fistula in our case was fed by the posterior meningeal branch of the left vertebral artery and was draining through a dilated and tortuous medullary bridging vein into the antero-lateral pontomedullary venous system. Transarterial glue embolisation was performed with complete exclusion of the fistula and venous pouches. The patient developed intractable hiccough and left-sided facial pain on the second post-procedural day, and MRI showed focal diffusion restriction in the left dorso-lateral medulla. He recovered completely after a short course of steroids. PMID- 29199501 TI - Older Adults Driving Under the Influence: Associations With Marijuana Use, Marijuana Use Disorder, and Risk Perceptions. AB - Despite increasing marijuana use among the 50+ age group, little research has been done on marijuana's impact on older adults' driving under the influence (DUI). Using the 2013 to 2014 National Survey on Drug Use and Health data, this study examined the association of older adults' self-reported DUI with marijuana use, marijuana abuse/dependence, and marijuana risk perception. The findings show that one third of past-year marijuana users aged 50+ reported past-year DUI, two thirds of which involved drugs. Those with marijuana abuse/dependence were 2.6 times more likely than those without the disorder to report DUI, controlling for alcohol abuse/dependence, other illicit drug use, and sociodemographic and health/mental health statuses. As safe driving is key to prolonging independence in late life, clinicians need to educate older adults about the risk of marijuana use, alone and with other substances, on their driving capacity and provide age appropriate treatment for marijuana use disorder. PMID- 29199502 TI - ADHD Among Offenders: Prevalence and Relationship With Psychopathic Traits. AB - OBJECTIVE: Longitudinal studies have shown a strong association between ADHD and criminal behavior. The aims of this study were to examine the prevalence of adult ADHD in a high-security facility and to investigate the relationship between ADHD symptoms and psychopathic traits in criminal offenders. MATERIAL AND METHODS: Participants were recruited between October 2015 and January 2016 among the inmates from a high-security all-male correctional facility in Portugal. Self report scales were used to measure ADHD symptoms, current psychopathology, and psychopathic traits. An interview was conducted to collect sociodemographic data, along with information about adverse childhood experiences, substance use, and criminal record. The statistical analysis was conducted using STATA 13 with the significance level set at .05. RESULTS: From the final sample of 101 male prisoners, 17 participants (16.8%) screened positive for ADHD. Participants positive for ADHD had higher levels of general psychopathology and psychopathic traits. Psychopathic traits remained significantly higher in ADHD offenders after controlling for age, substance abuse, and early childhood adversities (OR = 1.07, p = .002) and this was explained by differences in the Meanness subscale (OR = 1.11, p = .013). DISCUSSION/CONCLUSIONS: The present study shows that ADHD symptoms are highly prevalent among offenders and might have a modulating effect on the course of delinquent behavior. The cross-sectional association between ADHD symptoms and psychopathic traits reinforces the previously documented correlation between these disorders and can lead to a better understanding of the prevalent criminal behavior in ADHD patients. PMID- 29199503 TI - SMART Arm Training With Outcome-Triggered Electrical Stimulation in Subacute Stroke Survivors With Severe Arm Disability: A Randomized Controlled Trial. AB - BACKGROUND: Stroke survivors with severe upper limb disability need opportunities to engage in task-oriented practice to achieve meaningful recovery. OBJECTIVE: To compare the effect of SMART Arm training, with or without outcome-triggered electrical stimulation to usual therapy, on arm function for stroke survivors with severe upper limb disability undergoing inpatient rehabilitation. METHODS: A prospective, multicenter, randomized controlled trial was conducted with 3 parallel groups, concealed allocation, assessor blinding and intention-to-treat analysis. Fifty inpatients within 4 months of stroke with severe upper limb disability were randomly allocated to 60 min/d, 5 days a week for 4 weeks of (1) SMART Arm with outcome-triggered electrical stimulation and usual therapy, (2) SMART Arm alone and usual therapy, or (3) usual therapy. Assessment occurred at baseline (0 weeks), posttraining (4 weeks), and follow-up (26 and 52 weeks). The primary outcome measure was Motor Assessment Scale item 6 (MAS6) at posttraining. RESULTS: All groups demonstrated a statistically ( P < .001) and clinically significant improvement in arm function at posttraining (MAS6 change >=1 point) and at 52 weeks (MAS6 change >=2 points). There were no differences in improvement in arm function between groups (P = .367). There were greater odds of a higher MAS6 score in SMART Arm groups as compared with usual therapy alone posttraining (SMART Arm stimulation generalized odds ratio [GenOR] = 1.47, 95%CI = 1.23-1.71) and at 26 weeks (SMART Arm alone GenOR = 1.31, 95% CI = 1.05-1.57). CONCLUSION: SMART Arm training supported a clinically significant improvement in arm function, which was similar to usual therapy. All groups maintained gains at 12 months. PMID- 29199504 TI - Hospital Readmissions Reduction Program: Intended and Unintended Effects. AB - This study examines whether the Hospital Readmissions Reduction Program (HRRP), which penalizes hospitals with excess readmissions for certain conditions, has reduced hospital readmissions and led to unintended consequences. Our analyses of Florida hospital administrative data between 2008 and 2014 find that the HRRP resulted in a reduction in the likelihood of readmissions by 1% to 2% for traditional Medicare (TM) beneficiaries with heart failure, pneumonia, or chronic obstructive pulmonary disease. Readmission rates for Medicare Advantage (MA) beneficiaries and privately insured patients with heart attack and heart failure decreased even more than TM patients with the same target condition (e.g., for heart attack, the likelihood for TM beneficiaries to be remitted is 2.2% higher than MA beneficiaries and 2.3% higher than privately insured patients). We do not find any evidence of cost-shifting, delayed readmission, or selection on discharge disposition or patient income. However, the HRRP reduced the likelihood of Hispanic patients with target conditions being admitted by 2% to 4%. PMID- 29199505 TI - Development of a flowchart for risk assessment and allocation of preparation of monoclonal antibodies. AB - Monoclonal antibodies have expanded as a novel class of therapeutic agents. In contrast to appropriate guidelines for safe handling of cytotoxics, there are no real standards for the safe handling of monoclonal antibodies. Many questions have arisen whether monoclonal antibodies have to be prepared under controlled circumstances or can be prepared on the ward. We developed a flowchart which provides recommendations for the classification of monoclonal antibodies according to their toxicity profile and takes practical and financial issues into account. It allows oncology pharmacists worldwide to define which monoclonal antibodies can/must be prepared in pharmacy aseptic facilities and which monoclonal antibodies can be prepared on the ward. PMID- 29199506 TI - Inadequate response to imatinib treatment in chronic myeloid leukemia due to a drug interaction with phenytoin. AB - Imatinib mesylate and the newer BCR-ABL tyrosine kinase inhibitors are the standard therapy for chronic myeloid leukemia. Although these are remarkably effective drugs, some mechanisms of resistance have been identified including drug-to-drug interactions. Here we present the case of a chronic myeloid leukemia patient with an inadequate response to imatinib due to concurrent phenytoin administration. Conspicuously low imatinib plasma trough levels were documented. Imatinib dose was increased from 400 to 800 mg with good response. In conclusion, drug-to-drug interactions should be ruled out in cases of resistance to tyrosine kinase inhibitor treatment. Potent inducers of cytochrome P450 isoenzyme CYP3A4, as phenytoin, could induce inadequate responses due to increased imatinib clearance and low imatinib trough plasma levels. Thus, this interaction should be avoided. When this is not possible, dose escalation of imatinib and measurement of plasma levels, if available, is recommended. PMID- 29199507 TI - Asymmetric oculomotor apraxia, optic ataxia, and simultanagnosia with right hemispatial neglect from a predominantly left-sided lesion of the parieto occipital area. AB - INTRODUCTION: Balint's syndrome involves bilateral damage to the parieto occipital area. The extent of the effect of unilateral damage on the Balint's triad (oculomotor apraxia, optic ataxia, and simultanagnosia) remains unknown. METHODS: We examined a 63-year-old, right-handed woman who developed right hemianopia, oculomotor apraxia, optic ataxia, simultanagnosia, and hemispatial neglect (HSN) for the right after a cerebral infarction, with detailed neuropsychological tests, magnetic resonance imaging, and single photon emission computed tomography (SPECT). RESULTS: Neuropsychological examination showed that oculomotor apraxia, optic ataxia, and simultanagnosia were more pronounced in the right hemi-space, probably due to the limited eye movement in the right visual field, whereas HSN was restricted to the right hemi-space. Diffusion-weighted MR images revealed hyperintensity in the left parieto-temporo-occipital region, and several spotty areas of the bilateral frontal and parietal subcortical regions. SPECT revealed hypoperfusion in the left parieto-occipital region and frontal operculum and small areas of the right superior parietal lobule. CONCLUSIONS: The case suggests that asymmetric (more pronounced in the right hemi-space) oculomotor apraxia, optic ataxia, and simultanagnosia occur in an extensive lesion of the left parieto-occipital cortices. Although HSN is not a prerequisite for simultanagnosia, the coexistence of HSN aggravates simultanagnosia in the hemi-space opposite the lesion. PMID- 29199508 TI - Wrist inflammation: a retrospective comparison between septic and non-septic arthritis. AB - : This study aims to identify differences in demographics, clinical and laboratory data between wrist septic arthritis and non-septic arthritis in patients admitted for wrist inflammation. A retrospective review of inpatients from May 2012 to April 2015 was conducted. Seventy-seven patients were included. Non-septic arthritis patients were more likely to have chronic kidney disease, pre-existing gout, or both. All septic arthritis patients had normal serum uric acid levels, and two or more raised inflammatory markers (white cell count, C reactive protein, erythrocyte sedimentation rate). In patients with isolated wrist inflammation, the mean C-reactive protein in the septic arthritis group was significantly higher compared with the non-septic arthritis group (mean difference 132 mg/L, 95% CI 30.9-234). In this study, polyarticular involvement did not exclude a septic cause; nor did it imply a non-septic aetiology. Diabetic or immunosuppressed patients were not more likely to develop septic arthritis. The presence of chondrocalcinosis on wrist radiographs was virtually diagnostic of non-septic arthritis. LEVEL OF EVIDENCE: IV. PMID- 29199509 TI - Carpometacarpal joint flexion view to better visualize base of proximal phalanges of ulnar digits. PMID- 29199510 TI - Regulation of RhoA GTPase and novel target proteins for ROCK. AB - Rho GTPases play significant roles in cellular function and their activity is regulated by guanine nucleotide exchange factors (GEFs) and GTPase activating proteins (GAPs), providing activation and inactivation of these GTPases, respectively. Active GTP-bound form of RhoA activates its effector proteins while the inactive GDP-bound form of RhoA exists in a RhoA-RhoGDI (guanine nucleotide dissociation inhibitor) complex in the cytosol. In particular, IkappaB kinase gamma IKKgamma/NF-kappaB essential modulator (NEMO) plays a role as a GDI displacement factor (GDF) for RhoA activation through binding to RhoA-RhoGDI complex. Meanwhile, prion protein inactivates RhoA despite RhoA/RhoGDI association. Novel target proteins for Rho-associated kinase (ROCK) such as glycogen synthase kinase (GSK)-3beta and IKKbeta are recently discovered. Here, we elaborate on a post-translationally modified version of RhoA, phosphorylated at Tyr42 and oxidized at Cys16/20. This form of RhoA dissociates from RhoA-RhoGDI complex and activates IKKbeta on IKKgamma/NEMO, thus providing possibly a critical role for tumourigenesis. PMID- 29199511 TI - Clonogenic versus morphogenic mutations in myeloid neoplasms: chronologic observations in a U2AF1, TET2, CSF3R and JAK2 'co-mutated' myeloproliferative neoplasm suggest a hierarchical order of mutations and potential predictive value for kinase inhibitor treatment response. PMID- 29199512 TI - Long-term renal and overall survival of critically ill patients with acute renal injury who received continuous renal replacement therapy. AB - BACKGROUND: Acute kidney injury (AKI) is associated with the increased short-term mortality of critically ill patients on continuous renal replacement therapy (CRRT). The aim of this research was to evaluate the association of kidney function at discharge with the long-term renal and overall survival of critically ill patients with AKI who were on CRRT in an intensive care unit (ICU). METHODS: We retrospectively collected data for critically ill patients with AKI who were admitted to ICU on CRRT at a tertiary metropolitan hospital in China between 2008 and 2013. The patients were followed up to their death or to 30 September 2016 by telephone. RESULTS: A total of 403 patients were enrolled in this study. The 1-, 3- and 5-year patient survival rates were 64.3 +/- 2.4, 55.8 +/- 2.5 and 46.3 +/- 2.7%, respectively. In multivariate analysis, age, sepsis, decreased renal perfusion (including volume contraction, congestive heart failure, hypotension and cardiac arrest), preexisting kidney disease, Apache II score, Saps II score, vasopressors and eGFR <45 mL/min/1.73 m2 at discharge were independent factors for worse long-term patient survival. And age, preexisting kidney disease, Apache II score, mechanical ventilation (MV) and eGFR <45 mL/min/1.73 m2 at discharge were also associated with worse renal survival. CONCLUSIONS: This study showed that impaired kidney function at discharge was shown to be an important risk factor affecting the long-term renal survival rates of critically ill patients with AKI. An eGFR <45 mL/min/1.73 m2 was an independent risk factor for decreased overall survival and renal survival. PMID- 29199513 TI - Paraneoplastic cerebellar syndromes associated with antibodies against Purkinje cells. AB - The paraneoplastic cerebellar syndrome presents as severe neuroimmunological disease associated with malignancies. Antibodies against antigens expressed by tumor cells cross-react with proteins of cerebellar Purkinje cells leading to neuroinflammation and neuronal loss. These antineuronal antibodies are preferentially investigated by serological analyses while examination of the cerebrospinal fluid is only performed infrequently. We retrospectively investigated 12 patients with antineuronal antibodies against Purkinje cells with a special focus on cerebrospinal fluid. Our results confirm a subacute disease with a severe cerebellar syndrome in 10 female patients due to anti-Yo antibodies associated mostly with gynecological malignancies. While standard cerebrospinal fluid parameters infrequently revealed pathological results, all patients presented oligoclonal bands indicating intrathecal IgG synthesis. Analyses of anti-Yo antibodies in cerebrospinal fluid by calculating the antibody specific index revealed intrathecal synthesis of anti-Yo antibodies in these patients. In analogy to anti-Yo syndrome, an intrathecal production of anti-Tr antibodies in one patient who presented with a paraneoplastic cerebellar syndrome was detected. In an additional patient, anti-Purkinje cell antibodies of unknown origin in the cerebrospinal fluid but not in serum were determined suggesting an isolated immune reaction within the central nervous system (CNS) and underlining the importance of investigating the cerebrospinal fluid. In conclusion, patients with a cerebellar syndrome display a distinct immune reaction within the cerebrospinal fluid including intrathecal synthesis of disease-specific antibodies. We emphasize the importance of a thorough immunological work up including investigations of both serum and cerebrospinal fluid. PMID- 29199515 TI - The future role of pharmacogenomics in anticancer agent-induced cardiovascular toxicity. PMID- 29199516 TI - The role of ERK and Smad2 signal pathways in the alternatively activated macrophages induced by TGF-beta1 and high-ambient glucose. AB - Macrophages can be alternatively activated by TGF-beta1 and high-ambient glucose, in which the role of Smad2 and the crosstalk between ERK and Smad2 pathways are not fully understood. The activation of ERK and Smad2 pathways and the expression of arginase-1 were detected by Western blot. The role of Smad2 and the relationship between ERK and Smad2 pathways were investigated by using biochemical inhibitors. The protein of arginase-1 was significantly overexpressed in RAW264.7 cells stimulated by TGF-beta1 and high-ambient glucose, which can be partially blocked by not only U0126 (ERK inhibitor) but also SB431542 (Smad2 inhibitor). Furthermore, simply inhibiting one pathway had no effect on the other pathway. In conclusion, both ERK and Smad2 signal pathways are involved in the activation of macrophages induced by TGF-beta1 and high-ambient glucose, while there is no crosstalk shown in the process. PMID- 29199514 TI - RNA polymerases IV and V influence the 3' boundaries of Polymerase II transcription units in Arabidopsis. AB - Nuclear multisubunit RNA polymerases IV and V (Pol IV and Pol V) evolved in plants as specialized forms of Pol II. Their functions are best understood in the context of RNA-directed DNA methylation (RdDM), a process in which Pol IV dependent 24 nt siRNAs direct the de novo cytosine methylation of regions transcribed by Pol V. Pol V has additional functions, independent of Pol IV and 24 nt siRNA biogenesis, in maintaining the repression of transposons and genomic repeats whose silencing depends on maintenance cytosine methylation. Here we report that Pol IV and Pol V play unexpected roles in defining the 3' boundaries of Pol II transcription units. Nuclear run-on assays reveal that in the absence of Pol IV or Pol V, Pol II occupancy downstream of poly A sites increases for approximately 12% of protein-coding genes. This effect is most pronounced for convergently transcribed gene pairs. Although Pols IV and V are detected near transcript ends of the affected Pol II - transcribed genes, their role in limiting Pol II read-through is independent of siRNA biogenesis or cytosine methylation for the majority of these genes. Interestingly, we observed that splicing was less efficient in pol IV or pol V mutant plants, compared to wild type plants, suggesting that Pol IV or Pol V might affect pre-mRNA processing. We speculate that Pols IV and V (and/or their associated factors) play roles in Pol II transcription termination and pre-mRNA splicing by influencing polymerase elongation rates and/or release at collision sites for convergent genes. PMID- 29199517 TI - Determinants of variable resource use for multidisciplinary team meetings in cancer care. AB - BACKGROUND: Multidisciplinary team meetings (MDTMs) have developed into standard of care to provide expert opinion and to grant evidence-based recommendations on diagnostics and treatment of cancer. Though MDTMs are associated with a range of benefits, a growing number of cases, complex case discussion and an increasing number of participants raise questions on cost versus benefit. We aimed to determine cost of MDTMs and to define determinants hereof based on observations in Swedish cancer care. METHODS: Data were collected through observations of 50 MDTMs and from questionnaire data from 206 health professionals that participated in these meetings. RESULTS: The MDTMs lasted mean 0.88 h and managed mean 12.6 cases with mean 4.2 min per case. Participants were mean 8.2 physicians and 2.9 nurses/other health professionals. Besides the number of cases discussed, meeting duration was also influenced by cancer diagnosis, hospital type and use of video facilities. When preparatory work, participation and post-MDTM work were considered, physicians spent mean 4.1 h per meeting. The cost per case discussion was mean 212 (range 91-595) EUR and the cost per MDTM was mean 2675 (range 1439 4070) EUR. CONCLUSIONS: We identify considerable variability in resource use for MDTMs in cancer care and demonstrate that 84% of the total cost is derived from physician time. The variability demonstrated underscores the need for regular and structured evaluations to ensure cost effective MDTM services. PMID- 29199518 TI - Improvement on upper limb body-powered prostheses (1921-2016): A systematic review. AB - Body-powered prostheses are known for their advantages of cost, reliability, training period, maintenance, and proprioceptive feedback. This study primarily aims to analyze the work related to the improvement of upper limb body-powered prostheses prior to 2016. A systematic review conducted via the search of the Web of Science electronic database, Google Scholar, and Google Patents identified 155 papers from 1921 to 2016. Sackett's initial rules of evidence were used to determine the levels of evidence, and only papers categorized in the design and development category and patents were analyzed. A total of 40 papers in the sixth level of "Design and Development" of an upper limb body-powered prosthesis were found. Approximately 81% were categorized under mechanical alteration. Most papers were patent-type documents (48%), with the Journal of Rehabilitation Research and Development publishing most of the articles related to the design and development of body-powered prostheses. Papers in the scope of the study were published once every 3 years in almost a century, proving that only a few studies were conducted to improve body-powered arms compared with myoelectric technology. Further research should be carried out mainly in areas that have received less attention. PMID- 29199519 TI - Outcomes of DA-EPOCH-R induction plus autologous transplant consolidation for double hit lymphoma. AB - High-grade B cell lymphoma with MYC and BCL2 rearrangements (double hit) has a poor prognosis with standard R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone). We report here a treatment algorithm of DA-EPOCH-R (dose-adjusted etoposide, prednisone, vincristine, cyclophosphamide, doxorubicin, rituximab) followed by BEAM (carmustine, etoposide, cytarabine, melphalan) autologous transplant in 36 cases of previously untreated double hit lymphoma (DHL) from 2010 to 2015. A high risk International Prognostic Index (IPI) was present in 42% of cases. At median follow-up of 38 months, the 2-year progression free survival (PFS) and overall survival (OS) were 69% (95% CI 54-84%) and 71% (95% CI 56-86%). Eight cases were refractory to induction with 1-year OS 20%, and no factors were predictive for primary refractory disease. Of 28 responders, 17 proceeded to transplant while 11 were observed, primarily due to age and co morbidities. By 24-week landmark analysis after diagnosis, the 2-year PFS and OS were both 94% (95% CI 83-100%) vs 79% (95% CI 52-100%) for transplant vs observation (p = .59 for both PFS and OS). There was no significant benefit to consolidative transplant in our series, and primary refractory DHL needs novel approaches. PMID- 29199520 TI - The Trauma Resiliency Model: A "Bottom-Up" Intervention for Trauma Psychotherapy. AB - BACKGROUND: The Trauma Resiliency Model (TRM) is an innovative therapeutic approach for trauma. This "bottom-up" somatic approach comprises nine skills that use sensory awareness for emotion regulation and integration. Body-based therapies may be more effective for trauma than currently used cognitive ('top down") and exposure therapies. OBJECTIVE: The purpose of this article is to present TRM and current literature on the neuroscience of trauma and resiliency, and the rationale for body-based therapy. Two case examples illustrate the practical use of TRM therapy. DESIGN: The literature on the neuroscience of trauma, resiliency, and somatic approaches in therapy is reviewed. RESULTS: TRM teaches the biology of trauma responses and the practice of emotion regulation through biologically based skills. Neuroscience theory supports somatic awareness models; however, research on somatic therapies is limited. CONCLUSIONS: Chronic distress from trauma derails the ability to live life resiliently. TRM addresses trauma processing in a gentle and invitational manner and is a novel departure from existing therapies. Despite a paucity of research on body-based therapy, these therapies have strong neurophysiologic underpinnings. PMID- 29199521 TI - Electronic Nicotine Delivery Systems (ENDS): What Nurses Need to Know. AB - BACKGROUND: Efforts to decrease adverse effects of tobacco use are affected by emergence of new nicotine delivery products. Advertising, product promotion, and social media promote use of these products, yet a lack of evidence regarding safety leaves nurses unprepared to counsel patients. OBJECTIVES: To critically evaluate current research, reviews of literature, expert opinion, and stakeholder policy proposals on use and safety of electronic nicotine delivery systems (ENDS). DESIGN: A targeted examination of literature generated by key stakeholders and subject matter experts was conducted using key words, modified by risk factors, and limited to the past 8 years. RESULTS: Current knowledge gaps in research literature and practice implications of the literature are discussed. CONCLUSIONS: The safety of ENDS is questionable and unclear. There are clear health risks of nicotine exposure to developing brains. Potential health risks of ENDS secondhand emissions exposure exist. Using ENDS to facilitate total tobacco cessation is not proven. PMID- 29199522 TI - Use of outcome measurements in clinical practice: How specific should one be? AB - OBJECTIVE: Progress feedback is often measured with generic instruments that measure common symptoms and generic aspects of functioning. The current study aims to explore the relative usefulness of disorder-specific measures. We hypothesized that disorder-specific instruments reveal more improvement than generic instruments and that the addition of disorder-specific instruments results in better treatment outcomes. METHOD: We used a cohort of 3419 patients with a depression. As generic measures, we used the BSI or the symptoms distress subscale of the OQ-45. In 946 patients, a specific instrument, the IDS-SR, was added. We compared mean change scores and percentages of clinical significant change. In a matched case control design, we analyzed whether the additional use of the IDS-SR resulted in better treatment outcomes. RESULTS: Mean change scores of both types of instruments were comparable. When comparing clinical significant change, agreement was moderate. We found better outcomes on the generic instruments when both a generic and a disorder-specific instrument were used. CONCLUSION: In individual treatment of depression, generic and disorder-specific instruments are not interchangeable. The additional use of disorder-specific instruments provides a more complete picture of the patient's progress than the use of a generic instrument alone. Clinical or methodological significance of this article: In outcome management often rather generic instruments are used, that do not address the specific symptoms of the primary diagnosis of patients. In daily practice clinicians do not always use the feedback on treatment progress, when they perceive the feedback as not specific or relevant enough. The current study aims to explore the relative usefulness of measures that focus on symptoms that characterize the primary diagnosis of patients with a depression compared to the generic measures. We used a large cohort of existing data of patients of several mental health care organizations that share an application for outcome measurement. First, we compared outcomes of generic instruments and a disorder-specific instrument of a subsample of patients with a depressive disorder that completed both kinds of instruments. Next, we applied a matched case control design to control for differences between patients and analyzed whether the additional use of disorder-specific instruments predicted better outcomes. With this methodology, we tried to optimize both the methodological quality as well as the clinical significance of our research. PMID- 29199523 TI - Functional shoulder ratios with high velocities of shoulder internal rotation are most sensitive to determine shoulder rotation torque imbalance: a cross-sectional study with elite handball players and controls. AB - The aim of the present study was to determine which approach to calculating shoulder ratios is the most sensitive for determining shoulder torque imbalance in handball players. Twenty-six participants (handball athletes, n = 13; healthy controls, n = 13) performed isokinetic concentric and eccentric shoulder internal rotation (IR) and external rotation (ER) assessment at 60, 180 and 300 degrees /s. We used eight approaches to calculating shoulder ratios: four concentric (i.e. concentric ER torque divided by concentric IR torque), and four functional (i.e. eccentric ER torque divided by concentric IR torque) at the velocities of 60, 180 and 300 degrees /s for both IR and ER, and combining 60 degrees /s of ER and 300 degrees /s of IR. A three factorial ANOVA (factors: shoulder ratios, upper limb sides, and groups) along with Tukey's post-hoc analysis, and effect sizes were calculated. The findings suggested the functional shoulder ratio combining 60 degrees /s of ER and 300 degrees /s of IR is the most sensitive to detect differences between upper limbs for handball players, and between players and controls for the dominant side. The functional shoulder ratio combining 60 degrees /s of ER with 300 degrees /s of IR seems to present advantages over the other approaches for identifying upper limb asymmetries and differences in shoulder torque balance related to throwing. PMID- 29199524 TI - Metal complexes of naphthoquinone based ligand: synthesis, characterization, protein binding, DNA binding/cleavage and cytotoxicity studies. AB - Protein binding, DNA binding/cleavage and in vitro cytotoxicity studies of 2-((3 (dimethylamino)propyl)amino)naphthalene-1,4-dione (L) and its four coordinated M(II) complexes [M(II) = Co(II), Cu(II), Ni(II) and Zn(II)] have been investigated using various spectral techniques. The structure of the ligand was confirmed by spectral and single crystal XRD studies. The geometry of the complexes has been established using analytical and spectral investigations. These complexes show good binding tendency to bovine serum albumin (BSA) exhibiting high binding constant values (105 M-1) when compared to free ligand. Fluorescence titration studies reveal that these compounds bind strongly with CT DNA through intercalative mode (Kapp 105 M-1) and follow the order: Cu(II) > Zn(II) > Ni(II) > Co(II) > L. Molecular docking study substantiate the strength and mode of binding of these compounds with DNA. All the complexes efficiently cleaved pUC18-DNA via hydroxyl radical mechanism and the Cu(II) complex degraded the DNA completely by converting supercoiled form to linear form. The complexes demonstrate a comparable in vitro cytotoxic activity against two human cancer cell lines (MCF-7 and A-549), which is comparable with that of cisplatin. AO/EB and DAPI staining studies suggest apoptotic mode of cell death, in these cancer cells, with the compounds under investigation. PMID- 29199525 TI - Molecular genetic profile in BCR-ABL1 negative pediatric B-cell acute lymphoblastic leukemia can further refine outcome prediction in addition to that by end-induction minimal residual disease detection. AB - The recently proposed molecular genetic criteria promise improved risk-prediction in B-cell acute lymphoblastic leukemia (B-ALL). This study assesses their utility in BCR-ABL1 negative pediatric B-ALL, particularly with respect to end-induction minimal residual disease (MRD). The DNA was analyzed for copy number alterations in CDKN2A/B, PAX5, IKZF1, and other genes. Seventy-six cases with median age 7 years (2 months-18 years) included MRD-positive (24; 32%), and MRD negative standard (20; 26%), intermediate (20; 26%), & high risk (12;16%) cases. The risk classification was based on age, initial total leukocyte count, central nervous system involvement, cytogenetics, day 8 prednisolone response and MRD status after induction chemotherapy. The genetic profile based on Moorman's criteria identified two subgroups with different event free survival (EFS) (0.77 vs. 0.38; p = .045) and overall survival (OS) (0.90 vs. 0.30; p = .037) in the MRD-negative intermediate-risk group. The genetic profile also separated two subgroups with different EFS (0.75 vs. 0.41; p = .036) in the MRD-positive group, however the OS was not different (0.75 vs. 0.57; p = .293). PMID- 29199526 TI - The relationship between mother and infant plasma trace element and heavy metal levels and the risk of neural tube defect in infants. AB - OBJECTIVE: To determine levels of trace elements [copper (Cu), zinc (Zn), selenium (Se), and cobalt (Co)] and heavy metals [arsenic (As), mercury (Hg), lead (Pb), and cadmium (Cd)] in the plasma of mothers and infants and investigate the relationship between those levels and neural tube defects (NTD). METHODS: A total of 100 neonates diagnosed with NTD and placed in the Neonatal Intensive Care Unit of Yuzuncu Yil University, Turkey between May 2013 and December 2016 comprised the study group. The control group consisted of 70 healthy neonates not diagnosed with NTD or any other congenital anomalies. For both the groups, mother and infant plasma levels of Cu, Zn, Co, Cd, Se, Hg, As, and Pb were measured and compared. Plasma levels of Cu, Zn, Co, Cd, Se, Hg, As, and Pb were measured and compared between two groups of mothers and infants. FINDINGS: Mother and infant plasma levels of trace elements Zn and Se were determined to be significantly lower in the study group compared with the control group, while Cu levels were significant elevated in the study group (all p values < .05). Plasma levels of heavy metals As, Pb, and Cd were found to be significantly higher in the NTD control group (p < .05 for all). There was no association between maternal infection, maternal smoking status, history of miscarriage, or history of NTD with the development of NTD (p > .05). Differences in maternal age, birth weight, length of gestation, and infant gender for the two groups were also determined not to be statistically significant. RESULTS: High plasma levels of heavy metals As, Pb, and Cd and trace element Cu were identified as risk factors for the development of NTD. At the same time, low plasma levels of trace elements Zn and Se were also found to be risk factors for NTD. However, no association between Hg and Co plasma levels and increased risk for the development of NTD was observed. This study, while being the most comprehensive case study to date investigating the relationship between heavy metals and trace element levels and increased risk of NTD, nonetheless highlights the need for further research in order to make definite statements regarding this relationship. PMID- 29199527 TI - Diversity in clinical manifestations and imaging features of neurosyphilis: obstacles to the diagnosis and treatment (report of three cases). AB - OBJECTIVE: To explore the clinical manifestations and imaging features of neurosyphilis and to discuss the obstacles in the diagnosis and treatment of neurosyphilis. METHODS: We present this case study involving three cases of definite neurosyphilis, focusing on their clinical data. RESULTS: Case 1 is a patient with numb and weak left lower limb. Case 2 showed slow reaction and dementia behaviors including worse memory and the decrease of calculation and orientation ability in this patient. Case 3 is a peripheral incomplete left oculomotor nerve palsy patient. Magnetic resonance imaging findings of three patients are different. And single photon emission computed tomography showed the regional cerebral blood flow was all hypoperfused. There were some difficulties in diagnosing and treating the patients in these three cases. CONCLUSION: The clinical manifestations and imaging findings of neurosyphilis are diverse. Clinicians should pay attention to neurosyphilis. After clear diagnosis, patients would receive norm treatment in time. PMID- 29199528 TI - Gene networks associated with non-syndromic intellectual disability. AB - Non-syndromic intellectual disability (NS-ID) is a genetically heterogeneous disorder, with more than 200 candidate genes to date. Despite the increasing number of novel mutations detected, a relatively low number of recurrently mutated genes have been identified, highlighting the complex genetic architecture of the disorder. A systematic search of PubMed and Medline identified 245 genes harbouring non-synonymous variants, insertions or deletions, which were identified as candidate NS-ID genes from case reports or from linkage or pedigree analyses. From this list, 33 genes are common to syndromic intellectual disability (S-ID) and 58 genes are common to certain neurological and neuropsychiatric disorders that often include intellectual disability as a clinical feature. We examined the evolutionary constraint and brain expression of these gene sets, and we performed gene network and protein-protein interaction analyses using GeneGO MetaCoreTM and DAPPLE, respectively. The 245 NS-ID candidate genes were over-represented in axon guidance, synaptogenesis, cell adhesion and neurotransmission pathways, all of which are key neurodevelopmental processes for the establishment of mature neuronal circuitry in the brain. These 245 genes exhibit significantly elevated expression in human brain and are evolutionarily constrained, consistent with expectations for a brain disorder such as NS-ID that is associated with reduced fecundity. In addition, we report enrichment of dopaminergic and glutamatergic pathways for those candidate NS-ID genes that are common to S-ID and/or neurological and neuropsychiatric disorders that exhibit intellectual disability. Collectively, this study provides an overview and analysis of gene networks associated with NS-ID and suggests modulation of neurotransmission, particularly dopaminergic and glutamatergic systems as key contributors to synaptic dysfunction in NS-ID. PMID- 29199529 TI - "In the Sport I Am Here": Therapeutic Processes and Health Effects of Sport and Exercise on PTSD. AB - Current evidence suggests positive effects of exercise on posttraumatic stress symptoms; however, knowledge about how these effects are achieved is limited. Thus, this study aims to contribute to a more holistic understanding of these effects. We performed a single case study of a war and torture survivor, who was diagnosed with posttraumatic stress disorder (PTSD) and depression, and who was participant of the sport and exercise therapy program Movi Kune. Participant observation was conducted as well as semi-structured interviews with the participant and his psychotherapist. Data analysis resulted in the proposal of different processes: The focus on bodily sensations related to an exposure effect, contributing to improvements in body awareness, coping behavior, and affect regulation, whereas the focus on playing related to an improved performance, presence, enjoyment, and mastery experiences, pointing toward distraction and motivational-restorative effects. The findings also advice to be cautious as participants may be exposed to negative sensations and trauma-related triggers. PMID- 29199530 TI - Unspoken Playground Rules Discourage Adolescent Physical Activity in School: A Focus Group Study of Constructs in the Prototype Willingness Model. AB - The health benefits of exercise in school are recognized, yet physical activity continues to decline during early adolescence despite numerous interventions. In this study, we investigated whether the prototype willingness model, an account of adolescent decision making that includes both reasoned behavioral choices and unplanned responses to social environments, might improve understanding of physical activity in school. We conducted focus groups with British pupils aged 12 to 13 years and used deductive thematic analysis to search for themes relating to the model. Participants described reasoned decisions about physical activity outside school and unplanned choices to be inactive during break, in response to social contexts described as more "judgmental" than in primary school. Social contexts appeared characterized by anxiety about competence, negative peer evaluation, and inactive playground norms. The prototype willingness model might more fully explain physical activity in school than reasoned behavioral models alone, indicating potential for interventions targeting anxieties about playground social environments. PMID- 29199532 TI - Translating Knowledge From a Family Systems Approach to Clinical Practice: Insights From Knowledge Translation Research Experiences. AB - While there has been continued growth in family nursing knowledge, the complex process of implementing and sustaining family nursing in health care settings continues to be a challenge for family nursing researchers and clinicians alike. Developing knowledge and skills about how to translate family nursing theory to practice settings is a global priority to make family nursing more visible. There is a critical need for more research methods and research evidence about how to best move family nursing knowledge into action. Enhancing health care practice is a multifactorial process that calls for a systemic perspective to ensure its efficacy and sustainability. This article presents insights derived from lessons learned through recent research experiences of using a knowledge translation model to promote practice changes in health care settings. These insights aim to optimize (a) knowledge translation of a Family Systems Approach (FSA) in practice settings; (b) knowledge translation research processes; and PMID- 29199533 TI - A purposeful Yet Nonimposing Approach: How Japanese Home Care Nurses Establish Relationships With Older Clients and Their Families. AB - Relationship development is crucial to nursing practice with families. However, little is known about the process of building relationships with multiple family members in home care settings and in various cultures. The objective of this study was to explore the experiences of home care nurses about how they established relationships with older clients and their families in Japan. Grounded theory was used to guide the research. Twenty-three expert home care nurses participated in semistructured interviews concerning their family nursing practice. The establishment of relationships with clients/family members was based on a purposeful yet nonimposing approach composed of four aspects: keeping a mindful distance from the family, not being a threat to family life, being a comfortable neighbor, and gaining trust as a competent nurse. Through a purposeful nonimposing approach, Japanese home care nurses promoted and nurtured nurse-family relationships and became involved in the life of the family. These findings provide a useful foundation to guide practice with families and grow knowledge about the process of establishing relationships with multiple family members in home settings. PMID- 29199534 TI - Tips for Developing a Successful Family Research Proposal. AB - Based on the authors' experiences conducting family research using varied methodological and conceptual approaches, the intent of this article is to offer practical advice for developing a successful research proposal that builds on existing work and makes a compelling case for the investigator's family focus, study design, and analytic approach. The article highlights key challenges unique to family research and offers suggestions and strategies for addressing the challenges. PMID- 29199535 TI - Journal of Family Nursing and Japanese Journal of Research in Family Nursing Collaboration 2017. PMID- 29199537 TI - Equine renal hemangiosarcoma: clinical presentation, pathologic features, and pSTAT3 expression. AB - Hemangiosarcoma is an uncommon tumor in horses. We characterized 3 cases of equine renal hemangiosarcoma, focusing on clinical and pathologic features, and describe occurrence of the epithelioid variant of hemangiosarcoma in one of these cases. Nuclear expression of phosphorylated STAT3 (pSTAT3) was assessed to analyze potential inappropriate STAT3 activation as a component of tumor pathogenesis. Clinical signs in the 3 horses included insidious weight loss, followed in one case by serosanguineous nasal discharge and terminal epistaxis, and nonspecific signs of abdominal pain. Two of the hemangiosarcomas had a classical histopathologic appearance; in the other, neoplastic cells were polygonal and were arranged in densely packed sheets, resembling the epithelioid variant. Cross-reactivity of a pSTAT3 antibody was established by demonstration of pSTAT3 expression in the epithelium of glabrous skin by immunoblotting and immunohistochemistry. In the epithelioid hemangiosarcoma, ~40% of neoplastic cells exhibited nuclear pSTAT3 expression, but in the other 2 cases, expression was weak and variable in the neoplastic population, although stromal cell pSTAT3 activity was evident in pulmonary metastases in one case. PMID- 29199538 TI - The sooth beneath the taste roseas in the urethra and first description of neuro morpho-chemical mechanism of penile erectile posture in males: an experimental study. AB - AIM: The morphologic mechanism of orgasmic sensation has not yet been understood. Taste roseas may be stimulated by fructose via pudendal nerves, which has not been studied yet. METHODS: In this study, 27 male adult rabbits were used, which were divided into three groups: 5 as control; 5 as SHAM and 17 used as study group. We injected 0.2 cc of distilled water to SHAM and 0.2 cc of fructose solution to the study group of their urethral orifices, and examined the occurrence of penile erection. The relationship between erection and pudendal nerve ganglia and penile tissues was statistically compared. RESULTS: In animals with high neuron density of pudendal ganglia, more erection phenomenon was observed than those animals with low neuron density. Interestingly, neuron density of pudendal ganglia was 9.243 +/- 542 /mm3 in hypoactive and was 5.980 +/ 463 /mm3 in non-active animals (p < 0.05). CONCLUSIONS: The seminal fructose may stimulate taste roseas of the urethra and glans penis via pudendal nerves. The present study describes a new neuro-morpho-chemical mechanism of orgasmic sensation with its neurosurgical aspect. PMID- 29199539 TI - The D allele of the angiotensin-converting enzyme (ACE) insertion/deletion (I/D) polymorphism is associated with worse functional outcome of ischaemic stroke. AB - PURPOSE: Insertion/deletion polymorphism in ACE gene (ACE I/D) is known to be associated with the occurrence of ischaemic stroke through its effect on pathogenesis of atherosclerosis and hypertension. This study was aimed to examine the association between this polymorphism with functional outcome of ischaemic stroke. METHOD: This was a cross-sectional study. The subjects were patients with ischaemic stroke in a reference hospital in Yogyakarta, Indonesia. Data on demographic characteristics, stroke risk factors, comorbidities and stroke severity were assessed on admission. The functional outcome, Barthel index (BI), was assessed when the patients were discharged from the hospital. ACE I/D genotypes of the patients were identified by polymerase chain reaction (PCR). RESULT: In total, 61 patients were included. Of these, 38 patients (62.3%) had II polymorphism, 22 patients (36.1%) had ID polymorphism and 1 patient (1.6%) had DD polymorphism in the ACE gene. There were significant differences in the functional outcomes between patients without D allele (II polymorphisms) and patients with D allele (ID and DD polymorphism) (mean BI on discharge: 75 +/- 23.57 and 60.65 +/- 27.15, respectively; p = 0.034). Multiple linear regression model showed that the availability of D allele is an independent variable negatively associated with functional outcome as assessed by BI (beta = -0.232, p = 0.024). CONCLUSION: This study showed that the D allele in ACE I/D polymorphism is associated with worse functional outcomes. This highlights the possibility of further research to improve functional outcomes of ischaemic stroke by inhibiting the ACE system. PMID- 29199540 TI - Is the use of hydroxyethyl starch as priming solution during cardiac surgery advisable? A randomized, single-center trial. AB - INTRODUCTION: The use of cardiopulmonary bypass (CPB) leads to increased fluid filtration and edema. The use of artificial colloids to counteract fluid extravasation during cardiac surgery is controversial. Beneficial effects on global fluid loading, leading to better cardiac performance and hemodynamics, have been claimed. However, renal function and coagulation may be adversely affected, with unfavorable impact on outcome following cardiac surgery. METHODS: Forty patients were randomly allocated to study groups receiving either acetated Ringer's solution (CT group) or hydroxyethyl starch (HES group, Tetraspan(r)) as CPB priming solution. Fluid balance, bleeding and hemodynamics, including cardiac output, were followed postoperatively. The occurrence of acute kidney injury was closely registered. RESULTS: Two patients were excluded from further analyzes due to surgical complications. Fluid accumulation was attenuated in the HES group (3374 (883) ml) compared with the CT group (4328 (1469) ml) (p=0.024). The reduced perioperative fluid accumulation was accompanied by an increased cardiac index immediately after surgery (2.7 (0.4) L/min/m2 in the HES group and 2.1 (0.3) L/min/m2 in the CT group (p<0.001)). No increase in bleeding could be demonstrated in the HES group. Three patients, all of them in the HES group, experienced acute kidney injury postoperatively. CONCLUSIONS: CPB priming with HES solution lowers fluid loading during bypass and improves cardiac function in the early postoperative period. The manifestation of acute kidney injury exclusively in the HES group of patients raises doubts about the use of HES products in conjunction with cardiac surgery. ( https://clinicaltrials.gov/ct2/show/NCT01511120 ). PMID- 29199541 TI - Impact of temperature on the Narcotrend Index during hypothermic cardiopulmonary bypass in children with sevoflurane anesthesia. AB - BACKGROUND: During cardiopulmonary bypass (CPB) in children, anesthesia maintained by sevoflurane administered via the oxygenator is increasingly common. Anesthetic uptake and requirement may be influenced by the non-physiological conditions during hypothermic CPB. Narcotrend-processed EEG monitoring may, therefore, be useful to guide the administration of sevoflurane during this phase. OBJECTIVE: The objective of this prospective, clinical, observational study was to assess the correlation between body temperature, Narcotrend Index (NI) and administered sevoflurane in children during CPB. METHODS: Forty-four children aged 0 to 10 years undergoing hypothermic cardiac surgery were studied. On bypass, anesthesia was maintained with sevoflurane administered via the oxygenator of the heart-lung machine. Nasopharyngeal temperature, NI and minimum alveolar concentration (MAC) of sevoflurane were recorded in intervals of 10 minutes. Expiratory gas was sampled from the oxygenator's sole expiratory port via a separate connecting line and the MAC was measured by the agent analyzer of the anesthesia machine. RESULTS: Raw (r = 0.74) and corrected (r = 0.73) r-values show that narcosis depth (as indicated by NI) can primarily be explained by the interaction of MAC and temperature. The analysis of variance (without the interaction term) confirms the significant and independent association of both factors, MAC (p<0.004, 95%CI: 0.19 to 0.46) and temperature (p<0.0001, 95%CI: 0.68 to 0.78), with the NI. During hypothermia, sevoflurane had been reduced significantly (r = 0.41, p<0.0001, 95%CI: 0.33 to 0.48). CONCLUSION: Perfusionists and anesthetists should be aware of the results of processed electroencephalograph (EEG) monitoring during CPB. Sevoflurane requirements differ inter-individually; they may decrease during cooling and increase during rewarming. Therefore, it seems reasonable to include the results of processed EEG monitoring when administering sevoflurane during CPB in children, but further studies are necessary to confirm this thesis. PMID- 29199543 TI - Genetic variations of the xenoreceptors NR1I2 and NR1I3 and their effect on drug disposition and response variability. AB - NR1I2 (PXR) and NR1I3 (CAR) are nuclear receptors that are classified as xenoreceptors. Upon activation by various xenobiotics, including marketed drugs, they regulate the transcription level of major drug-metabolizing enzymes and transporters and facilitate the elimination of xenobiotics from the body. The modulation of the activity of these two xenoreceptors by various ligands is a major source of pharmacokinetic variability of environmental origin. NR1I2 and NR1I3 genetic polymorphisms can affect the pharmacokinetics and therapeutic response to many drugs, such as irinotecan, tacrolimus and atazanavir. This review provides an overview of NR1I2 and NR1I3 pharmacogenetic studies in various therapeutic fields (oncology, immunomodulation and infectiology) and discusses the implementation of NR1I2 and NR1I3 genetic polymorphism testing in the clinical routine. PMID- 29199542 TI - Medication use among pediatric patients with chronic musculoskeletal pain syndromes at initial pain clinic evaluation. AB - AIM: To characterize medication use by adolescents with chronic musculoskeletal pain syndromes before an initial multidisciplinary clinic visit. PATIENTS & METHODS: A cross-sectional sample of 120 adolescents and parents reported on standardized assessment measures, with medication use data extracted from the medical chart and categorized. RESULTS: On average, 3.2 medications were reported; 70% used more than one pain-specific medication including opioids (17%), nonopioids (31%), psychotropics/neuropathics (45%) and other medications (13%). Adolescents with complex regional pain syndrome consistently reported greatest use of opioid, psychotropic/neuropathic and other pain medications. A regression model explained 17% of the variance in pain medication use. Nonpain medication use and disability contributed unique variance - pain duration and intensity did not. CONCLUSION: Greater attention to factors contributing to prescriptive practices, medication use and long-term outcomes is warranted. PMID- 29199544 TI - The efficacy of a telemedicine-based weight loss program with video conference health coaching support. AB - Introduction Clinically significant weight loss is defined as a >=5% of initial body weight loss within a 6-month period. The purpose of this study was to assess body weight change from a 12-week telehealth-based weight loss program that integrated health coaching via video conferencing. Methods A total of 25 obese participants (12 males, 13 females) were recruited for this fully online 12-week weight loss program. Participants were randomly assigned to either an intervention group or control group ( n = 13 intervention, body mass index (BMI) = 34.7 +/- 4.5 kg/m2; n = 12 control, BMI = 34.4 +/- 4.43 kg/m2). All participants were given access to a secure platform for data tracking and video conferencing with the research team. The intervention group met with the medical doctor once per month and with a registered dietitian, weekly. Control participants met with the research team at baseline and at 12 weeks. Independent samples t-tests and Chi-square tests were used via SPSS version 24 with significance set to p < 0.05. Results There was a significant difference between the intervention and control groups for body weight loss (7.3 +/- 5.2 versus 1.2 +/- 3.9 kg, respectively, p < 0.05) as well as for percent body weight loss (7.16 +/- 4.4 versus 1.5 +/- 4.1%, respectively, p < 0.05). Clinically significant weight loss was achieved in 9 out of 13 (69.2%) in the intervention group versus 1 out of 12 (8%) in the control group. Discussion Mobile phone-based health coaching may promote weight loss. Weekly video conferencing with education may be an applicable tool for inducing significant body weight loss in obese individuals. PMID- 29199545 TI - The inhibitory performance of flavonoid cyanidin-3-sambubiocide against H274Y mutation in H1N1 influenza virus. AB - Oseltamivir (Tamiflu) is the most accepted antiviral drug that targets the neuraminidase (NA) protein to inhibit the viral release from the host cell. Few H1N1 influenza strains with the H274Y mutation creates drug resistance to oseltamivir. In this study, we report that flavonoid cyanidin-3-sambubiocide (C3S) compound acts as a potential inhibitor against H274Y mutation. The drug resistance mechanism and inhibitory activity of C3S and oseltamivir against wild type (WT) and H274Y mutant-type (MT) have been studied and compared based on the results of molecular docking, molecular dynamics, and quantum chemical methods. Oseltamivir has been found less binding affinity with MT. C3S has more binding affinity with WT and MT proteins. From the dynamical study, the 150th loop of the MT protein has found more deformation than WT. A single H274Y mutation induces the conformational changes in the 150th loop which leads to produce more resistance to oseltamivir. The 150th cavity is more attractive target for C3S to stop the conformational changes in the MT, than 430th cavity of NA protein. The C3S is stabilized with MT by more number of hydrogen bonds than oseltamivir. The electrostatic interaction energy shows a stronger C3S binding with MT and this compound may be more effective against oseltamivir-resistant virus strains. PMID- 29199546 TI - Social networks, migration, and HIV testing among Latinos in a new immigrant destination: Insights from a qualitative study. AB - Latinos in the U.S. are disproportionately affected by HIV and are more likely than non-Latinos to present with a late diagnosis, which delays engagement in HIV care and treatment. Social networks may provide normative influence and social support for HIV testing, but a contextualised understanding of networks is needed in order to maximise these social resources. We conducted qualitative interviews with foreign-born Latino men and transgender women (n = 17) in a new immigrant destination to explore their social networks. Most participants described having smaller social networks after migrating. Networks included both local and transnational ties, but most participants had few close ties. Contextual factors including stigma and geographic dispersion limited the re-construction of networks with close ties after migration. HIV testing was not a common topic of discussion with social network ties. Efforts to improve early uptake of HIV testing among Latino immigrants may benefit from engaging with social networks, but such efforts need to address how the context in which networks operate enables access to testing. PMID- 29199548 TI - Abstracts of the Third National Poct Symposium, Antwerp, Belgium, March 17th, 2017. PMID- 29199547 TI - From ships to robots: The social relations of sensing the world ocean. AB - The dominant practices of physical oceanography have recently shifted from being based on ship-based ocean sampling and sensing to being based on remote and robotic sensing using satellites, drifting floats and remotely operated and autonomous underwater vehicles. What are the implications of this change for the social relations of oceanographic science? This paper contributes to efforts to address this question, pursuing a situated view of ocean sensing technologies so as to contextualize and analyze new representations of the sea, and interactions between individual scientists, technologies and the ocean. By taking a broad view on oceanography through a 50-year shift from ship-based to remote and robotic sensing, I show the ways in which new technologies may provide an opportunity to fight what Oreskes has called 'ideologies of scientific heroism'. In particular, new sensing relations may emphasize the contributions of women and scientists from less well-funded institutions, as well as the ways in which oceanographic knowledge is always partial and dependent on interactions between nonhuman animals, technologies, and different humans. Thus, I argue that remote and robotic sensing technologies do not simply create more abstracted relations between scientists and the sea, but also may provide opportunities for more equitable scientific practice and refigured sensing relations. PMID- 29199549 TI - Characterization of moderately halotolerant selenate- and tellurite-reducing bacteria isolated from brackish areas in Osaka. AB - Moderately halotolerant selenate- and tellurite-reducing bacteria were characterized for wastewater treatment applications. A selenate-reducing strain 9a was isolated from the biofilm of a leachate treatment plant at a sea-based waste disposal site. A tellurite-reducing strain Taa was isolated from an enrichment culture derived from brackish sediment. Both bacterial strains were Shewanella species. Strain 9a could anaerobically remove 45-70% of 1.0 mM selenate and selenite from water containing up to 3% NaCl within 4 days, while strain Taa could anaerobically and aerobically remove 70-90% of 0.4 mM tellurite from water containing up to 6% NaCl within 3 days. Globular particles of insoluble selenium were observed both outside and inside the cells of strain 9a. The insoluble tellurium formed by strain Taa was globular under microaerobic conditions but nanorod under aerobic conditions. These bacteria will yield a range of useful selenium and tellurium nanomaterials as well as wastewater treatment applications. PMID- 29199550 TI - Facilitating dual careers by improving resistance to chronic stress: effects of an intervention programme for elite student athletes. AB - The starting point of this contribution is the potential risk to health and performance from the combination of elite sporting careers with the pursuit of education. In European sport science and politics, structural measures to promote dual careers in elite sports have been discussed increasingly of late. In addition to organisational measures, there are calls for educational psychological intervention programmes supporting the successful management of dual careers at the individual level. This paper presents an appropriate intervention programme and its evaluation: stress-resistance training for elite athletes (SRT-EA). It comprises 10 units, each lasting 90 minutes. It is intended for athletes and aims to improve their resistance to chronic stress. The evaluation was carried out in a quasi-experimental design, with three points of measurement (baseline, immediately after, and three months after) and two non randomised groups: an intervention group (n = 128) and an untreated control group (n = 117). Participants were between 13 and 20 years of age (53.5% male) and represented various Olympic sports. Outcome variables were assessed with questionnaires. Significant short- and mid-term intervention effects were explored. The intervention increased stress-related knowledge, general self efficacy, and stress sensitivity. Chronic stress level, stress symptoms, and stress reactivity were reduced. In line with the intention of the intervention, the results showed short- and mid-term, small to medium-sized effects. Accordingly, separate measurements at the end of the intervention and three months later showed mostly positive subjective experiences. Thus, the results reinforce the hope that educational-psychological stress-management interventions can support dual careers. PMID- 29199551 TI - Royal Sun Culinary-Medicinal Mushroom, Agaricus brasiliensis (Agaricomycetes), Supplement in Training Capacity Improvement Parameters. AB - People seek a greater quality of life and healthy aging that culminates in improved self-esteem and vitality in the performance of daily activities; this is generating a growing number of people enrolled in gyms in search of quick results. However, this training can result in physical and metabolic damage. During physical exercise, under conditions of oxidative stress, changes take place that lead to the onset of fatigue. The Agaricus brasiliensis mushroom is native to Brazil and has therapeutic potential, with widely studied antioxidant and immunomodulatory capabilities. However, little is known about its potential benefits regarding muscular strength. Therefore, this study evaluated the possible effects of supplementation with this mushroom with respect to strength performance before and after a resistance training session. A blinded randomized trial was performed with male volunteers (n = 5) randomly divided into 2 groups (placebo and treatment with A. brasiliensis). Perceptions of muscle soreness and performance were assessed before and after high-intensity resistance training sessions. The study was executed over a 24-day period. Promising results were found related to intrasession rapid strength, most likely a result of antioxidant action and redox balance. The bioactive compounds in A. brasiliensis revealed the potential to improve conditions of muscle fatigue without altering other parameters. Thus, this mushroom has become a target of great expectations in the fields of fitness and athletics. PMID- 29199552 TI - In Vitro and In Vivo Antitumoral Activity of Exobiopolymers from the Royal Sun Culinary-Medicinal Mushroom Agaricus brasiliensis (Agaricomycetes). AB - We studied antitumor activity in vitro and in vivo and partial chemical characterization of exobiopolymers (EBPs) of Agaricus brasiliensis produced by submerged cultivation. The EBPs comprised 61.2% total sugar and 22.3% total protein, and the chromatographic profile mainly identified mannose (65.5%), galactose (17.5%), and glucose (13.1%). In vitro analysis revealed a dose with antitumor effectiveness, time-dependent treatment, and 46% inhibition of solid Walker 256 tumors in rats. Metabolic changes were significant in the spleens of the animals; this is possibly related to higher immune activity triggered by the presence of EBPs in the treated group. The increase of nitric oxide production by peritoneal macrophages from animals may be related to the tumor reduction observed, because nitric oxide acts as an important effector pathway in the defense of the organism. PMID- 29199553 TI - Apoptotic Effect of Taiwanofungus salmoneus (Agaricomycetes) Mycelia and Solid State Fermented Products on Cancer Cells. AB - Because of the high incidence of and high mortality rates associated with cancer, effective therapy for cancer is currently an imperative issue. Taiwanofungus salmoneus, a medicinal mushroom indigenous to Taiwan, has been demonstrated to exhibit various physiological activities and harmless effects. The bioactive compounds and anticancer abilities of T. salmoneus mycelia and fermented products were evaluated in this study. Total phenols, flavonoids, and ergothioneine were detected in mycelia and fermented products, and the amount of ergothioneine was evaluated in buckwheat (56.25-118.64 MUg/g extract) and oats (53.60-138.70 MUg/g extract) after fermentation. Results showed that T. salmoneus-fermented buckwheat and oats exhibited better apoptotic effects on Sk-Hep-1 and Caco-2 cells than sorafenib and celecoxib via receptor-linked apoptosis and mitochondria-mediated apoptosis. In addition, T. salmoneus-fermented buckwheat may have potential for replacing anticancer drugs or for consumption as a dietary supplement to retard cancer development. PMID- 29199554 TI - Antioxidative and Inhibitory Effects of the Fruiting Body of Black Lingzhi Mushroom, Amauroderma rugosum (Agaricomycetes), on LDL Oxidation and HMG-CoA Reductase Activity. AB - Amauroderma rugosum fruiting bodies possess excellent cardiovascular benefits, including antioxidative, antihyperlipidemic, antihypertensive, antiinflammatory, anti-platelet aggregation, and antithrombotic effects. In this article, we describe our investigations of the in vitro antioxidant activity and in vitro antiatherosclerotic potential through inhibitory effects on low-density lipoprotein (LDL), LDL peroxidation, and 3-hydroxy3-methylglutaryl-coenzyme A (HMG-CoA) reductase catalytic activity using various fruiting body extracts partitioned with an organic solvent. Among 5 extracts/fractions tested, the semipolar ethyl acetate (EA) fraction demonstrated good antioxidant capacity based on total phenolic content, 2,2-diphenyl-1-picrylhydrazyl free radical scavenging, ferrous ion-chelating ability, cupric ion-reducing antioxidant capacity, and lipid peroxidation assays. The EA fraction also showed the strongest inhibitory effect on Cu2+-induced LDL oxidation via thiobarbituric acid reactive substances formation and HMG-CoA reductase activity. Chemical analysis conjointly identified 10 phenolic compounds (4 benzoic acid derivatives, 3 flavonoids, 1 cinnamic acid, 1 hexahydroxydiphenic acid dilactone, and 1 xanthone derivative), some of which play pivotal roles in arresting the physiopathogenesis of atherosclerosis, thereby attenuating the risk of cardiovascular events occurring. PMID- 29199555 TI - Immune-Stimulating Effects of Mycoleptodonoides aitchisonii (Agaricomycetes) Water Extract via TNF-alpha and IFN-gamma. AB - Mycoleptodonoides aitchisonii has been used as culinary material in East Asia. We previously reported the antiasthmatic effect of M. aitchisonii; in this study we evaluated the mushroom's immune-stimulating effects. To analyze these effects, we conducted an in vitro study with splenocytes and an in vivo study with the Porsolt enforced swim test. In the in vitro study, the cell proliferation effect of the M. aitchisonii water extract (WT) was measured and the in vivo study depended on the dose of M. aitchisonii WT and the effect on swimming duration; several immune reaction-related factors were assessed, such as white blood cell count, differential cell count, the ratio of thymus or spleen weight to body weight, and concentrations of some cytokines in serum. Almost all measured factors that are related to immune stimulation were dose-dependently increased, such as the number of splenocytes and monocytes, the swimming duration, the relative weight of the thymus, and the expression of tumor necrosis factor (TNF) alpha and interferon (IFN)-gamma. Based on the results, we conclude that M. aitchisonii WT has an immune-stimulating effect via TNF-alpha and IFN-gamma, and that M. aitchisonii WT is an immune-stimulating agent and can be produced as a functional food. PMID- 29199556 TI - Brown Mycelial Mat as an Essential Morphological Structure of the Shiitake Medicinal Mushroom Lentinus edodes (Agaricomycetes). AB - We show here, to our knowledge for the first time, that the brown mycelial mat of the xylotrophic shiitake medicinal mushroom, Lentinus edodes, not only performs a protective function owing to significant changes in the ultrastructure (thickening of the cell wall, increased density, and pigmentation of the fungal hyphae) but also is a metabolically active stage in the development of the mushroom. The cells of this morphological structure exhibit repeated activation of expression of the genes lcc4, tir, exp1, chi, and exg1, coding for laccase, tyrosinase, a specific transcription factor, chitinase, and glucanase, which are required for fungal growth and morphogenesis. This study revealed the maximum activity of functionally important proteins with phenol oxidase and lectin activities, and the emergence of additional laccases, tyrosinases, and lectins, which are typical of only this stage of morphogenesis and have a regulatory function in the development and formation of fruiting bodies. PMID- 29199557 TI - Nutritional Requirements for Mycelial Growth of Milk-White Toothed Mushroom, Irpex lacteus (Agaricomycetes), in Submerged Culture. AB - Irpex lacteus, a medicinal fungus, is used in traditional Chinese medicine to treat chronic glomerulonephritis. In this work, a strain of I. lacteus was isolated from the fruiting body of a wild specimen and identified by ITS-5.8S ribosomal DNA sequencing analysis. Then the nutritional requirements and culture conditions for mycelial growth of I. lacteus in semisynthetic liquid media were investigated using the one-factor-at-a-time and orthogonal matrix methods. Optimum growth occurred at 30 degrees C and 35 degrees C. I. lacteus mycelia grew well at pH values between 3 and 9, suggesting that this strain is not sensitive to pH. The nutritional components, including 9 carbohydrates, 9 nitrogen compounds, 11 vitamins, and 10 mineral elements, were studied for their effects on mycelial growth in submerged cultures of I. lacteus. Among these variables, soluble starch, peptone, yeast extract, and calcium chloride were identified as required for optimum mycelial growth. The concentrations of each component were optimized using an orthogonal design, and the effects of medium composition on mycelial growth were found in the order soluble starch > yeast extract > peptone > calcium chloride. The optimal concentrations of these components for mycelial growth were determined to be 60 g/L soluble starch, 35 g/L peptone, 15 g/L yeast extract, and 0.6 g/L calcium chloride. Under the optimum medium and culture conditions, the maximum biomass reached 13.73 g/L after 3 days in submerged culture, a value over twice that reached using the basal medium. These results provide a basis for further physiological study and industrial fermentation of I. lacteus. PMID- 29199558 TI - Identification and Evaluation of Bioactivity of Compounds from the Mushroom Pleurotus nebrodensis (Agaricomycetes) against Breast Cancer. AB - Breast cancer affects millions of women annually worldwide and is the leading cause of cancer death in women. Various bioactive phytochemicals based on natural products are considered to be an important source of chemopreventive agents. In this study we report-to our knowledge for the first time-9 phytochemicals isolated by nuclear magnetic resonance spectroscopy and mass spectrometry from the acetic ether extract of Pleurotus nebrodensis and identified as (1) ergosterol, (2) uracil, (3) ergosterol-3-O-beta-D-glucopyranoside, (4) cerevisterol, (5) cerebroside B, (6) 5'-methylthioadenosine, (7) adenosine, (8) hypoxanthine, and (9) uridine. Their bioactivities were screened with an MTT assay using breast cancer MCF-7 cells in vitro. As a result, about half of the isolated compounds demonstrated moderate or strong inhibitory activity in a concentration-dependent manner. Among them, compound 1 (ergosterol) exhibited superior activity and the lowest half-maximal inhibitory concentration (112.65 MUmol/L). Further mechanistic study elucidated that compound 1 led to significant S-phase cell cycle arrest and induced apoptosis in MCF-7 cells. Our study shows the mycochemical composition of the P. nebrodensis mushroom and provides guidance for use of compound 1 as a promising lead in cancer therapy. PMID- 29199559 TI - Growth-Inhibitory and Immunomodulatory Activities of Wild Mushrooms from North Central British Columbia (Canada). AB - Wild mushrooms, especially from North America, have not been systematically explored for their medicinal properties. Here we report screening for the growth inhibitory and immunomodulatory activities of 12 species collected from multiple locations in north-central British Columbia, Canada. Mushrooms were characterized using morphology and DNA sequencing, followed by chemical extraction into 4 fractions using 80% ethanol, 50% methanol, water, and 5% sodium hydroxide. Growth inhibitory, immunostimulatory, and anti-inflammatory activities of 5 mushrooms (Leucocybe connata, Trichaptum abietinum, Hydnellum sp., Gyromitra esculenta, and Hericium coralloides) are reported here, to our knowledge for the first time. Growth-inhibitory effects were assessed using the cytotoxic MTT assay. Immunostimulatory activity was assessed by tumor necrosis factor-alpha production in Raw 264.7 macrophages, whereas anti-inflammatory activity was assessed based on the inhibition of lipopolysaccharide-induced tumor necrosis factor-alpha production. The ethanol and aqueous extracts of Hydnellum sp. were potent growth inhibitors, with a half-maximal inhibitory concentration of 0.6 mg/mL. All 5 fungi displayed strong immunostimulatory activity, whereas only L. connata and T. abietinum showed strong anti-inflammatory activity. For the 7 other fungi investigated, which included well-known medicinal species such as Inonotus obliquus, Phellinus igniarius, and Ganoderma applanatum, the remarkable similarities in the biological activities reported here, and by others for specimens collected elsewhere, suggest that mushrooms can produce similar metabolites regardless of their habitat or ecosystem. This is to our knowledge the first study to explore wild mushrooms from British Columbia for biological activities that are relevant to cancer, and the results provide an initial framework for the selection of mushroom species with the potential for discovery of novel anticancer compounds. PMID- 29199560 TI - Lion's Mane Medicinal Mushroom, Hericium erinaceus (Agaricomycetes), Modulates Purinoceptor-Coupled Calcium Signaling and Murine Nociceptive Behavior. AB - Hericium erinaceus is well known for the neurotrophic effect it confers by promoting nerve growth factor biosynthesis. We discovered a novel bioactivity of H. erinaceus in its ability to suppress adenosine triphosphate (ATP)-induced calcium signaling in neuronal PC12 cells. ATP, known primarily as a neurotransmitter, also acts on purinoceptors (P2 purinergic receptor [P2R]) to generate the cellular calcium signaling and secretion that mediate P2R physiological manifestations, including pain. Chronic pain reduces quality of life. However, constant analgesic administration can cause liver and kidney injury, as well as loss of the analgesic effect because of desensitization. In this study we investigated the analgesic potential of H. erinaceus through measurements of ATP-induced Ca2+ signaling in cell lines and observation of pain behaviors in mice. In P2R-coupled Ca2+ signaling measurements, extracts of H. erinaceus mycelia (HEEs) blocked ATP-induced Ca2+ signaling in both rat PC12 cells and human HOS cells. HEEs completely blocked ATP-induced Ca2+ signaling in human HOS cells, suggesting that this effect of HEEs is exerted through the P2R subtypes present in HOS cells, which include the P2X4, P2X7, P2Y2, and P2Y4 subtypes. In observations of animal behavior during pain, HEEs significantly reduced heat-induced pain, including postponing both the tail-flick response to heat stimulation and the paw-lifting response to a hot plate. This study demonstrates novel characteristics of H. erinaceus in reducing nociceptive behavior and blocking the functional activity of P2R. Further studies are required to verify this linkage and its molecular mechanisms. PMID- 29199561 TI - Antifungal, Antioxidative, and Genoprotective Properties of Extracts from the Blushing Bracket Mushroom, Daedaleopsis confragosa (Agaricomycetes). AB - This study aimed to evaluate the antifungal, antioxidative, and genoprotective potentials of various extracts of Daedaleopsis confragosa fruiting bodies and mycelia. The extracts exhibited weak fungistatic and an absence of any fungicidal activities against 7 important animal and human pathogens. Although mycelial extracts, especially the hot water extract, were more effective antifungal agents than basidiocarp extracts, they were significantly weaker than the commercial antimycotic ketoconazole. The tested extracts reduced DPPH radicals to various extents, depending on the material used for extraction and the solvent. The mycelial hot water extract was the best DPPH radical scavenger (half-maximal effective concentration, 3.42 mg mL-1), whereas the 96' ethanol extract of basidiocarps was the weakest one (half-maximal effective concentration, 5.36 mg mL-1). Phenols were the main carriers of activity, and their proportions in the tested extract mainly depended on the type and concentration of the solvent; the effect of the material used for extraction was negligible. The largest amount of phenols was detected in the 70% ethanol extract of basidiocarps (126.40 MUg gallic acid equivalents mg-1) and the lowest in the basidiocarp methanol extract (19.93 MUg gallic acid equivalents mg-1). Aqueous extracts of basidiocarp and mycelial extracts were not genotoxic agents but exhibited significant protective activity against hydrogen peroxide-induced DNA damage during use in leukocytes' pre- and post-treatments. PMID- 29199562 TI - Immunomodulatory Effects of Extracellular beta-Glucan Isolated from the King Oyster Mushroom Pleurotus eryngii (Agaricomycetes) and Its Sulfated Form on Signaling Molecules Involved in Innate Immunity. AB - The aim of this study was to determine, using murine RAW 264.7 macrophages, the immunomodulatory effect of extracellular beta-glucan isolated from Pleurotus eryngii (PEBG) and its sulfated derivative (PEBG-S) on signaling molecules implicated in host innate immunity. beta-Glucan was extracted and purified from the mycelial culture using optimal medium concentrations. It was then chemically converted to its sulfated form. Monosaccharide composition of beta-glucan was characterized with p-aminobenzoic acid ethyl ester-derivatized sugars through highperformance liquid chromatography analysis. Fourier transform infrared structural analysis showed an S=O bond at 1250 cm-1 and C-S-O binding at 815 cm-1 in PEBG-S. 13C nuclear magnetic resonance analysis showed 1,3-linked alpha-D mannopyranosyl and 1,3-beta-D-glucopyranosyl in PEBG-S. A concentration-dependent increase of nitric oxide production was noticed in RAW 264.7 cells treated with PEBG-S or PEBG; those treated with PEBG-S showed less cytotoxicity than those treated with PEBG. Cellular levels of tumor necrosis factor-alpha, interleukin 1beta, and interleukin-6 were increased by PEBG and PEBG-S treatment, suggesting that they have immunomodulatory activity. Real-time polymerase chain reaction array revealed that the expression levels of nuclear factor-kappaB and Toll-like receptor signaling genes in cells were upregulated by PEBG and PEBG-S. Moreover, the expression of the beta-glucan receptor dectin-2 was significantly upregulated by PEBG and PEBG-S treatment, reflecting immune activation through the dectin-2 Syk-(CARD9/Bcl-10/MALT1) pathway. Our results suggest that PEBG-S could be used as an effective adjuvant or immune enhancer that can be sustainably produced by recycling the by-product of mycelial culture. PMID- 29199563 TI - Structural Characteristics of the Novel Polysaccharide FVPA1 from Winter Culinary Medicinal Mushroom, Flammulina velutipes (Agaricomycetes), Capable of Enhancing Natural Killer Cell Activity against K562 Tumor Cells. AB - FVPA1, a novel polysaccharide, has been isolated from fruiting bodies of the culinary-medicinal mushroom Flammulina velutipes, a historically popular, widely cultivated and consumed functional food with an attractive taste, beneficial nutraceutical properties such as antitumor and immunomodulatory effects, and a number of essential biological activities. The average molecular weight was estimated to be ~1.8 * 104 Da based on high-performance size exclusion chromatography. Sugar analyses, methylation analyses, and 1H, 13C, and 2 dimensional nuclear magnetic resonance spectroscopy revealed the following structure of the repeating units of the FVPA1 polysaccharide Identification of this structure would conceivably lead to better understanding of the nutraceutical functions of this very important edible fungus. Bioactivity tests in vitro indicated that FVPA1 could significantly enhance natural killer cell activity against K562 tumor cells. PMID- 29199564 TI - Effect of Pulsed Light Irradiation on Bioactive, Nonvolatile Components and Antioxidant Properties of Caterpillar Medicinal Mushroom Cordyceps militaris (Ascomycetes). AB - The caterpillar medicinal mushroom Cordyceps militaris contains many bioactive components, such as adenosine, cordycepin, and polysaccharides. In this study, C. militaris was exposed to 0, 3, 6, or 9 pulses of light irradiation to estimate changes in vitamin D2, bioactive compounds, nonvolatile taste components, and antioxidant properties. In addition, we compared the components and properties of C. militaris mycelia and solid waste medium that had been treated with pulsed light (PL) irradiation. Overall, PL irradiation of C. militaris increased the vitamin D2 content and increased the total amino acid levels 9-48%; the antioxidant properties of the mycelia treated with 0 pulses and of the solid waste medium treated with 3 pulses all exhibited lower half-maximal effective concentrations. Therefore, PL irradiation affected the amounts of bioactive compounds, but the irradiated samples still contained intense umami taste and a sufficient amount of antioxidant components. PMID- 29199565 TI - Cytotoxic Activities of Fractions of the Willow Bracket Medicinal Mushroom, Phellinus igniarius (Agaricomycetes), and the Induction of Cell Cycle Arrest and Apoptosis in MGC-803 Cells. AB - Phellinus igniarius, a perennial medicinal mushroom, has been used in China and other countries of East Asia for the treatment of various diseases, including cancer. The purpose of this study is to evaluate the cytotoxic activities of different fractions of an ethanol extract from Ph. igniarius and to elucidate a possible antitumor mechanism. An ethanol extract of Ph. igniarius was partitioned into a petroleum ether fraction, an ethyl acetate fraction (EAF), an n-butanol fraction, and a water-soluble fraction. The cytotoxic activity of all the fractions was initially screened in a brine shrimp lethality test, then evaluated by the Cell Counting Kit-8 assay against 5 human tumor cell lines: MGC-803, BEL 7402, HeLa, MCF-7, and HCT-116. The cell cycle distribution induced by EAF on MGC 803 cells was analyzed by flow cytometry with propidium iodide staining, and apoptosis was determined using flow cytometry with Annexin V/propidium iodide staining. The results of the brine shrimp lethality test and the Cell Counting Kit-8 assay showed that EAF was the most active fraction, displaying strong inhibitory activity against the MGC-803, BEL-7402, and MCF-7 cancer cell lines. Flow cytometry analysis indicated that EAF could induce S-phase cell cycle arrest in MGC-803 cells and cause apoptosis in a concentration-dependent manner. This study demonstrated that EAF, as the most active fraction of Ph. igniarius, exerted antitumor activity by inducing MGC-803 cell apoptosis via S-phase cell cycle arrest. PMID- 29199566 TI - Clinical Effects of a Commercial Supplement of Ophiocordyceps sinensis and Ganoderma lucidum on Cognitive Function of Healthy Young Volunteers. AB - Ophiocordyceps sinensis (= Cordyceps sinensis) and Ganoderma lucidum are medicinal mushrooms used in traditional Chinese medicine. The effects of O. sinensis and G. lucidum on cognitive function have been evaluated through the use of animal models and in vitro studies, which indicated beneficial effects. The purpose of this study was to evaluate the effects of treatment with a commercially available supplement of O. sinensis and G. lucidum on cognitive function in young, healthy human participants. Physical education students (n = 96 [53 men, 43 women]; mean +/- standard deviation age, 26.3 +/- 3.21 years) were randomly divided into 3 treatment groups: highdose supplement (HD) group, low dose supplement (LD) group, and a placebo (PL) group. Each group received the treatment, administered by a technician blinded to supplements/placebo, for 30 days. Participants were evaluated for various cognitive functions before and immediately after treatment. Evaluation of cognitive function domains-global cognitive score, memory, executive function, attention, information processing speed, visuospatial ability, verbal function, and motor skills-showed no significant differences between groups. These results indicate that a combination of O. sinensis and G. lucidum supplements for 30 days did not enhance cognitive function domains in young healthy participants. PMID- 29199567 TI - Isolation and Characterization of Lectin from the Artist's Conk Medicinal Mushroom, Ganoderma applanatum (Agaricomycetes), and Evaluation of Its Antiproliferative Activity in HT-29 Colon Cancer Cells. AB - The growth and lectin production of Ganoderma applanatum, a white rot fungus, was optimized in broth cultures. The fungus was found to have a higher growth rate and higher lectin activity when grown in a medium adjusted to pH 6.5 at 26 degrees C under stationary conditions. Expression of lectin activity started in 5 day-old mycelial culture; maximum activity was expressed after the 15th day of incubation. Among the various carbon and nitrogen sources tested, the carbon source sucrose and the nitrogen source yeast extract support maximum growth and lectin production. Lectin from G. applanatum was purified by ammonium sulfate precipitation and ion exchange chromatography. The purified fraction revealed a single band with a molecular weight of 35.0 kDa. Moreover, carbohydrates such as mannitol, glucose, sucrose, maltose, mannose, galactose, sorbose, and fructose were found to inhibit the hemagglutinating activity of the lectin. The purified lectins from G. applanatum contain cytotoxic and proapoptotic activities against HT-29 colon adenocarcinoma cells. PMID- 29199568 TI - Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Agaricomycetes), Inhibits Candida Biofilms: A Metabolomic Approach. AB - This article presents a comparative gas chromatography (GC)-mass spectrometry (MS)-based metabolomic analysis of mycelia and fruiting bodies of the medicinal mushroom Ganoderma lucidum. Three aqueous extracts-mycelia, fruiting bodies, and a mixture of them-and their sequential fractions (methanolic and ethyl acetate), prepared using an accelerated solvent extractor, were characterized by GC-MS to determine volatile organic compounds and by high-performance thin-layer chromatography to quantify ascorbic acid, a potent antioxidant. In addition, these extracts and fractions were assessed against Candida albicans and C. glabrata biofilms via the XTT reduction assay, and their antioxidant potential was evaluated. Application of chemometrics (hierarchical cluster analysis and principal component analysis) to GC data revealed variability in volatile organic compound profiles among G. lucidum extracts and fractions. The mycelial aqueous extract demonstrated higher anti-Candida activity and ascorbic acid content among all the extracts and fractions. Thus, this study illustrates the preventive effect of G. lucidum against C. albicans and C. glabrata biofilms along with its nutritional value. PMID- 29199569 TI - Enzymatic System of Antioxidant Protection of Erythrocytes in Diabetic Rats Treated with Medicinal Mushrooms Agaricus brasiliensis and Ganoderma lucidum (Agaricomycetes). AB - Excessive glucose concentrations in blood and cells promote the intensification of auto-oxidation. This is one of the mechanisms through which free radicals form in hyperglycemia. As a result of hyperglycemia, oxidative stress develops and lipid peroxidation (LPO) is enhanced. Erythrocytes are particularly susceptible to reactive oxygen species and LPO, which can violate cell functions. This article describes the analysis of the influence of mycelia from the medicinal mushrooms Agaricus brasiliensis and Ganoderma lucidum on the enzymatic link of the antioxidant system in rat erythrocytes under streptozotocin-induced diabetes mellitus. Oxidative stress was strengthened in red blood cells of diabetic rats, as evidenced by decreased activity of antioxidant enzymes such as superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase, and by increased amounts of thiobarbituric acid-positive products, which are markers of LPO. Administration of A. brasiliensis and G. lucidum submerged cultivated mycelial powder to animals with streptozotocin-induced diabetes restored superoxide dismutase, catalase, and glutathione peroxidase activity and reduced the amounts of thiobarbituric acid-positive products to control values, but did not affect the activity of glutathione reductase. PMID- 29199570 TI - Selective Cytotoxic Activity of Se-Methyl-Seleno-L-Cysteine- and Se Polysaccharide-Containing Extracts from Shiitake Medicinal Mushroom, Lentinus edodes (Agaricomycetes). AB - Numerous formulations derived from the shiitake medicinal mushroom, Lentinus edodes, demonstrate anticancer activities. We hypothesized that isolates from selenium (Se)-enriched mycelia of L. edodes would possess stronger cancer preventive properties than current preparations. The aim of this study was to investigate whether the presence of Se-methyl-seleno-L-cysteine in mycelial extracts of L. edodes affects their cytotoxic activity (makes them stronger) or whether they are as effective as Se-containing polysaccharides. Extracts were prepared from Se-containing mycelia under various conditions and assayed for cytotoxic activity in cancer (PC3 and HeLa) and normal (HMEC-1) cell lines. The chemical composition of the extracts was examined; specifically, the amounts of potentially cytotoxic Se compounds (methylselenocysteine, selenomethionine, and Se-containing polysaccharides) were measured. The relationship between extract composition and biological activity was characterized. Mycelial cultures were cultivated in a 10-L bioreactor in medium enriched with sodium selenite. Mycelial extracts were prepared either at 100 degrees C or at 4 degrees C in acidic solution. Total Se content was determined using the atomic absorption spectrometry method, and methylselenocysteine and selenomethionine contents were measured using reverse-phase high-performance liquid chromatography. Protein, carbohydrate, and polyphenolic contents were determined with spectrophotometric methods, and Se-containing polysaccharides were measured with the use of precipitation. Anticancer activity of mycelial extracts was examined using the MTT cell viability assay. Extracts containing Se-methyl-seleno-L-cysteine or Se polysaccharides prepared at 4 degrees C and 100 degrees C, respectively, display moderate, time-dependent, specific cytotoxic activity in HeLa and PC3 cell lines. The effect in HeLa cells is more pronounced in the extract prepared at 4 degrees C than at 100 degrees C. The effect is almost equal for the PC3 cell line. However, both extracts have no effect or only slightly stimulate normal (HMEC-1) cell viability. The selective cytotoxic activity of L. edodes extracts in cancer (PC3 and HeLa) cells is due to the presence of both Se-methyl-seleno-L-cysteine and selenated polysaccharides, perhaps in combination with other active ingredients. PMID- 29199571 TI - Genotoxicity and Single-Treatment Toxicity Evaluation of Mycoleptodonoides aitchisonii (Agaricomycetes) Water Extract. AB - Mushrooms have long been used worldwide for culinary and medicinal purposes because of their various nutrients and active constituents. The safety of mushrooms as a culinary ingredient requires validation. Although Mycoleptodonoides aitchisonii has long been used for culinary purposes in East Asia, it has not been authorized by a regulatory agency. In this study we conducted genotoxicity and single-treatment toxicity tests according to the guidelines of the Organisation for Economic Co-operation and Development. We performed genotoxicity tests (bacterial reverse mutation study, chromosome aberration test, and micronucleus test), single-treatment toxicity tests, and in vivo mammalian alkaline comet assay of M. aitchisonii water extract (WT). A single treatment with 5000 mg/kg M. aitchisonii WT showed no toxicity. M. aitchisonii WT induced bacterial reverse mutation and chromosome aberration but showed a negative result in the micronucleus test. Thus, an in vivo mammalian alkaline comet assay was performed; however, no genotoxicity was detected. Treatment with <5000 mg/kg M. aitchisonii WT is nontoxic and can be used for culinary purposes. PMID- 29199572 TI - Acute and Subchronic Toxicity of Dusky-Skinned Mushroom, Amauroderma rude (Agaricomycetes). AB - Our earlier work indicated that Amauroderma rude seems to have an effect on immunoregulation and tumor inhibition. However, its toxicity is not yet clear. The aim of this work is to demonstrate the acute and subchronic toxicity of A. rude in order to provide a scientific basis for its possible use as a food. The acute toxicity study (involving mice) showed that the median lethal dose of the A. rude extract was >15,000 mg/kg. In the repeated-dose 90-day oral toxicity study (involving rats), the administration of A. rude extract at 0.1 (AR0.1), 0.2 (AR0.2), and 0.4 g (AR0.4) per rat produced no significant difference in food or water consumption or changes in body weight, hematological parameters, biochemical parameters, relative organ weights, organ coefficients, or histopathology compared with the control group. Analyses of these results with data from monitoring the appearance, behavior, and health of the animals indicate that the oral administration of A. rude extract daily for 90 days does not cause subchronic toxicity. PMID- 29199573 TI - Effects of Culture Conditions on Antimicrobial Activity of Ganoderma resinaceum (Agaricomycetes) Extracts. AB - Among many sources of natural bioactive substances, mushrooms constitute a huge and mostly unexplored group. Biologically active secondary metabolites of Ganoderma, a group of wood-degrading mushrooms, have recently been reviewed. Our previous study revealed the antimicrobial activity of extracts from G. resinaceum grown in submerged culture against phytopathogens. Different factors can influence the production of secondary metabolites, including nutritional factors. In this study we evaluated the influence of different culture conditions on the antimicrobial activity of extracts from liquid cultures of G. resinaceum, through use of a factorial design. Minimum inhibitory concentrations for extracts produced under different culture conditions were determined against Staphylococcus aureus and Xanthomonas vesicatoria. Based on the results of these assays, larger-scale cultures in malt extract broth supplemented with 20 g/L glucose and a 15-day incubation time should be performed in order to isolate from G. resinaceum antibiotic compound(s) that are potentially useful against S. aureus. In addition, pH 5 should be considered for the production of antimicrobial metabolites against X. vesicatoria from supernatant broths or extracts from G. resinaceum. PMID- 29199574 TI - Immunoreactivity of the Cold Water Extract of Royal Sun Culinary-Medicinal Mushroom, Agaricus brasiliensis Strain KA21 (Agaricomycetes), Assessed by Immunoglobulin Preparations for Intravenous Injection. AB - The royal sun medicinal mushroom, Agaricus brasiliensis, is a health food material that helps to improve quality of life. A. brasiliensis has long been used as a tea by extraction with cold and hot water. Our group has been investigating the immunopharmacological activities of the A. brasiliensis KA21 strain, which is cultivated outdoors. We prepared cold water (AgCWE) and hot water (AgHWE) extracts of this strain. AgCWE contained a larger proportion of proteins, including enzymes, and showed a brownish color during the extraction process. By contrast, chemical and immunochemical analyses revealed that AgHWE contained large amounts of beta-1,3-/1,6-glucans. In an attempt to elucidate the immunochemical characteristics of AgCWE, reactivities to immunoglobulin (Ig) preparations for intravenous injection were analyzed and compared with standard materials. To characterize brownish high-molecular weight components, standard phenol compounds such as caffeic acid (CA), trans-ferulic acid (FA), and coumaric acid (CouA) were polymerized to brownish polymerized polyphenols (PPPs) (i.e., polymerized CA, polymerized FA, and polymerized CouA) by laccase or peroxidase. The results obtained revealed that intravenous Ig reacted with all PPPs and PPPs cross-reacted with AgCWE and AgHWE. The isotype of the anti-PPP antibody was found to be IgG1, in contrast to that of the beta-glucan antibody, which was mainly IgG2. These results strongly suggest that A. brasiliensis extracts contain immunoreactive components against various classes of Igs. PMID- 29199575 TI - Validation of Structural Equation Modeling Methods for Functional MRI Data Acquired in the Human Brainstem and Spinal Cord. AB - Structural equation modeling (SEM) provides a means of investigating relationships between blood oxygenation level-dependent (BOLD) signal changes in functional MRI data across neuroanatomical regions. The objectives of this study were to demonstrate adapted SEM methods for the brainstem and spinal cord, validate statistical methods and appropriate statistical thresholds, and test the methods with existing data. SEM methods were applied using an anatomical model of regions of the thalamus, brainstem, and spinal cord that are involved with pain processing. Statistical distributions (Z-scores), significance thresholds, and corrections for multiple comparisons were determined from repeated simulations using "null" data sets. SEM analyses were then applied to data from prior studies involving noxious stimulation in healthy participants. Z-score distributions were observed to vary with the number of source regions modeled, the number of time points (volumes) included in the analysis, and the time span (epoch) used for dynamic analyses. Appropriate choices of statistical thresholds and corrections for multiple comparisons were demonstrated. The results reveal consistent network features across/within studies, as well as dependences on study conditions. They show the effectiveness of a SEM method for functional MRI data from the brainstem and spinal cord. PMID- 29199576 TI - A Review of Point-Wise Motion Tracking Algorithms for Fetal Magnetic Resonance Imaging. AB - We review recent feature-based tracking algorithms as applied to fetal magnetic resonance imaging (MRI). Motion in fetal MRI is an active and challenging area of research, but the challenge can be mitigated by strategies related to patient setup, acquisition, reconstruction, and image processing. We focus on fetal motion correction through methods based on tracking algorithms for registration of slices with similar anatomy in multiple volumes. We describe five motion detection algorithms based on corner detection and region-based methods through pseudocodes, illustrating the results of their application to fetal MRI. We compare the performance of these methods on the basis of error in registration and minimum number of feature points required for registration. Harris, a corner detection method, provides similar error when compared to the other methods and has the lowest number of feature points required at that error level. We do not discuss group-wise methods here. Finally, we attempt to communicate the application of available feature extraction methods to fetal MRI. PMID- 29199577 TI - A Kinematic Approach to Understanding Performance in Upper-Extremity Function during a Goal-Directed Man-Machine Interface Task in a Submariner Environment. AB - In December of 2014, the United States Congress funded a fundamental shift in the recruiting policy of the US Navy Submarine Force to include the integration of women. As a result, design modifications became necessary, especially those that facilitate integration without inflating costs. Current cost levels associated with new submarine design(s) are maintained through the use of legacy components and systems. Additionally, many of the systems aboard are computer controlled, necessitating man-machine interfaces. As common practice, military activities that involve man-machine interfaces have always focused on the dexterity of the hands, often neglecting the role of movement in the task; therefore, there is a need to understand upper-extremity kinematics issues associated with man-machine interfaces. Joint kinematics of the right upper extremity of 10 subjects was measured using an optoelectronic motion capture system. Center of gravity displacements were measured using a force plate during touchscreen movement tasks paced by six different movement frequencies from a metronome (0, 1.0, 1.3, 1.7, 2.0, and 2.7 Hz). Results showed no significant difference in touch accuracy, task completion time, shoulder and elbow angular displacements, and shoulder and elbow flexion/extension velocity; however, a significant difference (0.002; p <= 0.05) in shoulder adduction/abduction velocity was observed. In arranging systems and components in submarine and surface vessel environments, consideration in not only providing a means of adjustability (e.g., height, proximity, and orientation) but in the dimensions of the systems and components themselves must also be considered based on the required operation. PMID- 29199578 TI - Energy Storage and Return Prostheses: A Review of Mechanical Models. AB - Conventional lower-limb mechanical models were originally developed for gait analysis of ablebodied Conventional lower-limb mechanical models were originally developed for gait analysis of ablebodied subjects and therefore potentially misrepresent prosthetic foot behavior when applied to modern energy storage and return (ESAR) prostheses. This review investigates the limitations of current models of prosthetic foot dynamics and kinematics. The Scopus online database was used to identify 236 articles on prosthetic foot behavior during either experiments or simulations, categorized into three main types of models: 74% (n = 175) of studies featured a rigid-link model, 17% (n = 39) a lumped-parameter model and 10% (n = 23) finite element (FE) analysis. Notably, 64% (n = 152) of the studies used a conventional two-link segment model, yet only 8% (n = 20) featured the rigid, articulating prosthesis that satisfies this model's underlying rigid-body mechanics assumptions. Conversely, the available preliminary studies on multi-link segment, lumped-parameter and FE models present viable and more mechanically relevant alternatives to conventional techniques, particularly for ESAR prostheses. Expanding these alternative models to include inertial behavior, multiple-degrees of freedom and standardization of boundary conditions will lead towards both accurate and standardized prosthetic foot analysis. PMID- 29199579 TI - Review of the Dielectric Properties of Animal and Human Tumors Determined from In Vivo Measurements. AB - In this article, we combine a review of the wide range of tissue dielectric studies and applications (e.g., safety, imaging, therapy) being pursued by the bioelectromagnetics community with a description of one specific application of dielectric measurements (in vivo tumor classification). The tumor measurements were acquired over a frequency range of 0.01-4.0 GHz using a technique based on the impedance change recorded by a short antenna when placed near or in a lossy dielectric. Substantial differences (up to 300%) were found between the dielectric properties of tumors (mammary adenocarcinoma, melanoma, lung carcinoma, glioblastoma and ependymoblastoma) and normal host tissues. Such differences reflect the known heterogeneity of abnormal cell growth in cancer. In addition, in vivo human measurements of breast carcinoma, normal skin and breast tissue indicate that a maximum differential power absorption (30% higher in tumor) occurs between 1.0 and 2.0 GHz. This information, when combined with tumor size, geometry, and anatomical location, enable the design and development of effective systems for the detection of tumors and for electromagnetically induced differential hyperthermia treatment. Finally, we also discuss these results in the context of other impedance and dielectric approaches used to characterize normal and neoplastic cells and tissues. PMID- 29199580 TI - What Is Ganoderma lucidum in the Molecular Era? AB - The scientific name Ganoderma lucidum has long been used in the global medicinal mushroom market, and many publications have proven its pharmacological properties and chemical components. Although several Ganoderma species have been described worldwide as having morphology considerably similar to that of G. lucidum s. str., this binomial is still the most frequently used in pharmacological studies. However, the use of particularly divergent nomenclature has caused major difficulties in the evaluation of the results of pharmacological studies. This article is intended to provide a nomenclatural and taxonomic overview of the medically important G. lucidum group, that is, G. lucidum aggregate and G. lingzhi. Moreover, we evaluate the possibilities of how nomenclatural changes can help to avoid misunderstandings in thousands of publications and highlight scientifically correct interpretations for future studies. PMID- 29199581 TI - Molecular Dynamics and Virtual Screening Analysis of Lanosterol Derivatives from Ganoderma Medicinal Mushrooms (Agaricomycetes) as Selective Ligands of Human Androgen Receptor. AB - Male sex hormones such as testosterone and dihydrotestosterone play important roles in several physiological and pathological processes. The biological activities of the aforementioned metabolites are mediated by the multidomain androgen receptor (AR), which is therefore a well-studied drug target. Ganoderma mushroom lanostanoid extracts have previously been shown to exert antiandrogenic activity; therefore, this work aims to identify which lanostane derivatives might act as selective ligands for AR. Because protein flexibility is of paramount importance for ligand binding, different conformations of AR were sampled to account for binding modes within a ligand binding site, then subjected to virtual screening against a metabolite library. Fifteen Ganoderma lanostanoids were selected as AR ligands, according to their calculated binding affinity to this nuclear receptor. The results show the relevance of certain structural and chemical aspects of our ligands, such as the presence of a ketonic group on C-3, which influences the process through which they bind to AR. PMID- 29199582 TI - Antidiabetic Properties of the Tiger's Milk Medicinal Mushroom, Lignosus rhinocerotis (Agaricomycetes), in Streptozotocin-Induced Diabetic Rats. AB - Diabetes mellitus is a major cause of morbidity and mortality worldwide. Although scientific evidence supporting its therapeutic efficacy is lacking, the use of the tiger's milk mushroom (TGM; Lignosus rhinocerotis), which is native to tropical areas such as Malaysia, Indonesia, and the Philippines, has been found to contain a very large amount of potential antioxidants. In this study, rats were weighed and then intravenously injected with 35 mg/kg streptozotocin (STZ). Rats were left for 1 week before blood glucose concentrations were measured to determine the onset of diabetes before the next procedure was conducted. Rats with blood glucose exceeding 7.0 mmol/L were considered diabetic and were included in the experiment. All groups were fed their respective treatments twice daily for 2 months throughout the experiment. Antidiabetic and antioxidant properties of freeze-dried TGM powder, such as reduced glutathione (GSH), superoxide dismutase (SOD), lipid peroxidation (LPO), and catalase (CAT) activities, were investigated in liver samples. The biological compounds present in the freeze-dried TGM powder was found to exhibit antidiabetic properties by significantly reducing elevated blood glucose concentrations to a normal range (3.0-7.0 mmol/L) in Sprague-Dawley rats with streptozotocin-induced diabetes, and increasing the body weight of the rats. Freeze-dried TGM powder was also found to possess antioxidant activity by significantly increasing GSH, CAT, and SOD activities while reducing LPO (P < 0.05). THis study shows that freeze-dried TGM powder exhibits significant antidiabetic properties and may be a potential supplement in ameliorating diabetic complications. PMID- 29199583 TI - Antimelanomic Effects of High- and Low-Molecular Weight Bioactive Subfractions Isolated from the Mossy Maze Mushroom, Cerrena unicolor (Agaricomycetes). AB - Three bioactive fractions isolated from Cerrena unicolor cultures-crude endopolysaccharide (c-EPS), laccase, and a subfraction of low-molecular weight secondary metabolites-were used to determine potential cytotoxic effects on the mouse melanoma B16-F10 cell line (American Type Culture Collection CRL-6475). The results obtained prove that all examined fractions exhibited activity against the investigated tumor cells. In addition, an evident immunomodulatory effect of the c-EPS fraction was observed. Our results show that the levels of 2 cytokines (tumor necrosis factor-a and chemokine ligand 2) in mouse inner medullary collecting duct mIMCD-3 cells (American Type Culture Collection CRL-2123) stimulated by c-EPS were significantly higher. A lipopolysaccharide model was used at the same concentration (10 MUg/mL) as a positive control. PMID- 29199584 TI - Anti-Inflammation and Lipogenic Inhibition of Taiwanofungus salmonea Mycelium and Grifola frondosa Fruiting Body. AB - A long-term inflammatory response can cause the development of nonalcoholic steatohepatitis (NASH), which is mainly caused by abnormal metabolism of lipids in the liver. Taiwanofungus salmonea and Grifola frondosa, which are valuable medicinal mushrooms in Taiwan and exhibit many beneficial bioactivities, are used to evaluate effects on immune regulation in Raw 264.7 cells and on NASH-related responses in Hep G2 cells. According to the results, the production of proinflammatory cytokines was effectively decreased, whereas the production of interleukin-10 was increased. Lipid accumulation and reactive oxygen species production also declined, and free glycerol was released. The expression of acetyl-CoA carboxylase, fatty acid synthase, and sterol regulatory element binding protein 1c was decreased. These results indicate that T. salmonea and G. frondosa are capable of reducing inflammatory responses and ameliorating NASH, indicating their potential as hepatoprotective dietary supplements. PMID- 29199585 TI - Optimization of Submerged Cultivation Conditions for Production of Big Cup Culinary-Medicinal Mushroom Clitocybe maxima (Agaricomycetes) Biomass with Significant Antioxidative and Antihyperlipidemic Activities. AB - In this study, a large Clitocybe maxima mycelium biomass was obtained by submerged cultivation under optimal conditions. Three test samples from lyophilized mycelia, including hot water extract (CW) and elutes from solvents with different polarity (CA and CB), were combined and used to explore antioxidant and antihyper-lipidemic activities in vitro and in vivo. The CA group showed the highest DPPH free radical scavenging activity and iron-reducing capability at concentrations of 6.0% and 3.0% (w/v), respectively. Further, the CA group showed the highest glutathione peroxidase and superoxide dismutase activities at a dose of 0.25 mg/kg body weight (CA-0.25 group) in all hyperlipidemic hamsters tested. Serum lipid levels (apart from high-density lipoprotein cholesterol levels) of hamsters in the CA-0.25 group were lower than those of hamsters in the negative control group in antihy-perlipidemic tests. Therefore, we believe that extracts from C. maxima mycelia are rich reservoirs of antioxidant and antihyperlipidemic activities. PMID- 29199586 TI - Health and Risk Assessment by ICP-OES of Heavy Metals and Trace Minerals in Commercial Mushrooms Marketed in China. AB - The objectives of this study were to investigate mineral profiles of 35 species of edible mushrooms collected in China; we compared nutritional values and tolerable values with the official recommended daily intakes (RDIs), maximum intake limits, and provisional tolerable weekly intakes. A total of 19 minerals were detected in edible mushrooms by inductively coupled plasma optical emission spectrometry. The results showed that the mushroom samples had a low percentage of RDI for the minerals calcium, iron, magnesium, manganese, zinc, potassium, and sodium and a relatively higher percentage of RDI for copper and molybdenum. The samples also had a very high percentage of RDI for chromium and selenium. The level of heavy metals in a majority of the mushrooms was above the limited level, and only concentrations of copper and zinc were safe in all mushrooms. In conclusion, the mushrooms collected in China are a good source of minerals such as molybdenum and selenium but are badly contaminated with aluminum, arsenic, cadmium, chromium, and lead. PMID- 29199587 TI - Liposome-Based Nanomedicine Therapeutics for Rheumatoid Arthritis. AB - Rheumatoid arthritis (RA) is a very painful severe autoimmune disease with complex pathology characterized by progressive chronic inflammation, and devastation of the synovium, cartilage, and other joint-associated structures. Significant advances in research in the area of pathophysiology, diagnosis, drug development, and targeted delivery have led to improved RA therapy and better patient compliance. Targeted drug delivery using liposomal nanomedicines significantly alleviate the challenges with conventional anti-RA medications such as off-target effects, short biological half-life, poor bioavailability, high dose-related toxicity, etc. Liposomal nanomedicines in RA drug targeting offer the opportunity for passive targeting [based on size and polyethylene glycol (PEG)-ylation-mediated enhanced permeability and retention] and active targeting (ligation with antibody or peptides, etc.) and encapsulation of lipophilic, hydrophilic drugs, and/or combinational drugs. However, it has been found recently that such injectable nanomedicines raise the concern of an adverse immune phenomenon called complement activationrelated pseudo allergy (CARPA) and failure of therapy on multiple doses due to accelerated body clearance caused many by anti-PEG immunoglobulin M. To ensure safety and efficacy of RA therapy, these need to be considered along with the common formulation quality parameters. Here, we discuss nanotherapeutic targeting in RA therapy using liposomes. Liposomal nanoparticles are investigated for individual anti-RA drug categories. CARPA issues and pathophysiology with such nanomedicines are also discussed in detail. PMID- 29199588 TI - Recent Advances in Nanoparticle-Based Targeted Drug-Delivery Systems Against Cancer and Role of Tumor Microenvironment. AB - Cancer is one of the major causes of death worldwide. The silent activation of cellular factors responsible for deviation from normal regulatory pathways leads to the development of cancer. Nano-biotechnology is a novel drug-delivery system with high potential of efficacy and accuracy to target lethal cancers. Various biocompatible nanoparticle (NP)-based drug-delivery systems such as liposomes, dendrimers, micelles, silica, quantum dots, and magnetic, gold, and carbon nanotubes have already been reported for successful targeted cancer treatment. NPs are functionalized with different biological molecules, peptides, antibody, and protein ligands for targeted drug delivery. These systems include a hydrophilic central core, a target-oriented biocompatible outer layer, and a middle hydrophobic core where the drug destined to reach target site resides. Most of the NPs have the ability to maintain their structural shape and are constructed according to the cancer microenvironment. The self-assembling and colloidal properties of NPs have caused them to become the best vehicles for targeted drug delivery. The tumor microenvironment (TME) plays a major role in cancer progression, detection, and treatment. Due to its continuous complex behavior, the TME can hinder delivery systems, thus halting cancer treatment. Nonetheless, a successful biophysiological interaction between the NPs and the TME results in targeted release of drugs. Currently, a number of drugs and NP based delivery systems against cancer are in clinical and preclinical trials and a few have been approved by Food and Drug Administration (FDA); for example: taxol, doxil, cerubidine, and adrucil. This review summarizes topical advances about the drugs being used for cancer treatment, their targeted delivery systems based on NPs, and the role of TME in this connection. PMID- 29199590 TI - Regulating RNA Binding Motif 5 Gene Expression- A Novel Therapeutic Target for Lung Cancer. AB - RNA-binding motif protein 5 (RBM5), also known as LUCA-15/H37, is a gene that maps to human chromosome 3p21.3, a critical region that is deleted in a large number of human cancers, of which the majority are lung cancers, and that is predicted to contain one or more tumor suppressor genes (TSGs). RBM5 is a tumor suppressor gene and is most frequently deleted at the earliest stage of lung cancer development. It represents a significant area of recent progress in cancer genomic, cytogenetic, and molecular biological research because of its role in the induction of cell cycle arrest and apoptosis and the regulation of inhibition of in lung cancer metastasis. RBM5 is involved in the suppression of epidermal growth factor receptor (EGFR) expression, thus preventing proliferation, angiogenesis, invasion, and metastasis of lung cancer. In this way it exhibits its tumor suppressive capacity during lung cancer progression. Exploration of RBM5's potential importance in inhibiting tumor metastasis includes downstream players in the RBM5-mediated metastasis suppressor pathway(s). This review highlights the differential expression of the RBM5 tumor suppressor gene which impacts cell proliferation and apoptosis control during lung cancer progression. Regulating RBM5 expression may be a novel therapeutic target for lung cancer. PMID- 29199589 TI - Nanostructured Lipid Carriers: A New Paradigm in Topical Delivery for Dermal and Transdermal Applications. AB - Topical drug delivery offers many advantages over oral delivery, such as avoidance of first-pass metabolism, targeting of the active ingredients for a local effect, and patient compliance. However, the achievement of dermal and transdermal delivery needs to conciliate difficulties in permeation across skin barrier at different levels (skin surface, epidermis, dermis, and hypodermis). Nanostructured lipid carriers (NLCs) are recently invented second-generation lipidic carriers. The present article intends to provide an insight of composition, production, and application of these carriers in topical delivery for local and systemic effects. We also discuss key considerations for standardization and critical scale-up issues. In the last decade, the volume of work on NLCs is reflected in various research reports including patents on the development of NLCs, which gives a deeper insight of this emerging field of innovation. These carriers have significance because of their uniqueness to facilitate the interactions at interfaces with the barrier membranes. NLCs are truly a "nanosafe" carrier due to their biodegradable composition and have immense promise to overcome the challenges of dermal and transdermal delivery. PMID- 29199591 TI - Copine 3 as a Novel Potential Drug Target for Non-Small-Cell Lung Carcinoma. AB - Cancer originates from uncontrolled cell division in any part of the body. The universal burden of cancer continues to increase, and its treatment remains ever more challenging. Among several cancers, lung cancer is the second most common, causing 1.6 million deaths worldwide per year. Approximately 85% of lung cancers are non-small-cell lung carcinomas (NSCLCs), which are considerably more difficult to treat than other cancers. Although various imaging, biopsy, and histopathological analyses are widely used, there are no effective or reliable biomarkers for detecting early lung carcinoma, particularly NSCLC. For this reason, the identification of novel biomarkers to serve as therapeutic targets is essential to NSCLC treatment. Copines are a family of membrane-binding proteins that are highly conserved, soluble, ubiquitously expressed, calcium dependent, and found in variety of eukaryotic organisms. Recent research suggests that they may mediate various signaling pathways involved in both tumor progression and metastasis. In the copine gene family, copine 3 is a novel player in regulating NSCLC metastasis. This review highlights copine 3 as a prognostic marker as well as a potential therapeutic target for effective treatment of patients with NSCLC. PMID- 29199593 TI - Insulin Protects against Brain Oxidative Stress with an Apparent Effect on Episodic Memory in Doxorubicin-Induced Cognitive Dysfunction in Wistar Rats. AB - The present study was aimed at assessing the protective effect of insulin against doxorubicin (DOX)-induced cognitive dysfunction in Wistar rats. Cognitive function for episodic memory was assessed by a novel object recognition task (NORT) in male Wistar rats. Oxidative stress markers-SOD, catalase, glutathione, and lipid peroxidation-in the hippocampus and frontal cortex were assessed using colorimetric methods. Doxorubicin treatment (2.5 mg/kg, i.p., every 5 days for 50 days) reduced recognition and discriminative indices in NORT with increased oxidative stress in the brain. A nonhypoglycemic dose of insulin (0.5 IU/kg, i.p.) significantly reduced brain oxidative stress (MDA) induced by doxorubicin with an increase in the antioxidant defense systems (SOD, catalase, and GSH). Rats treated with combined insulin and DOX spent comparatively more time with the novel object when compared to the non-novel objects; however, the observed difference was not statistically significant. An apparent improvement (p < 0.26) in recognition of the novel object was observed against the damage induced by doxorubicin. These results suggest that insulin reduces brain oxidative stress and apparently improves doxorubicin-induced cognitive dysfunction in Wistar rats. PMID- 29199592 TI - Nephrotoxicity in Rats Exposed to Paracetamol: The Protective Role of Moralbosteroid, a Steroidal Glycoside. AB - Paracetamol (PCM) has an acceptable safety profile when used at prescribed doses. However, it is now understood that paracetamol can damage the kidneys when administered as an overdose. In addition, oxidative stress can play a major role in causing nephrotoxicity. This investigation studies the efficacy of moralbosteroid isolated from M. alba stem bark. Nephrotoxicity was induced with administration of paracetamol. Nephroprotection was studied using two doses of the extract. The experimental animals were divided into four groups (n = 6). Two groups served as positive and negative controls, respectively, and two received the test substances. All of the contents were orally administered. Significant reductions in nephrotoxicity and oxidative damages were observed in the treatment groups. There was a marked decrease in blood levels of urea, creatinine, and lipid peroxidation. Furthermore, it was found that glutathione levels in the blood increased dramatically after treatment. Histological findings confirmed the potent renoprotective potential of moralbosteroid. This was evidenced by the minimized intensity of nephritic cellular destruction. In animal studies, moralbosteroid exhibited dose-dependent activity, which is thought to be mediated through its antioxidant potential. PMID- 29199594 TI - DNA Double-Strand Breaks Caused by Different Microorganisms: A Special Focus on Helicobacter pylori. AB - The association between inflammation and cancer has long been recognized. Several studies have found that different types of tumors develop at sites of chronic inflammation. It is stated that over 15%-20% of malignancies worldwide can be related to infections caused by viruses, bacteria, and schistosomes. Inflammatory conditions are characterized by overexpression of inducible nitric oxide synthase (iNOS) and overproduction of nitric oxide/reactive nitrogen species (ROSs/RNSs) in epithelial cells. Reactive oxygen species (ROSs) may also lead to cellular alterations and eventually to inflammation. A variety of chronic infectious diseases can generate steady-state levels of ROSs/RNSs within infected cells and possibly lead to different types of DNA lesions. Accumulation of DNA lesions may finally lead to mutations that may activate oncogenes or inactivate tumor suppressor genes. Helicobacter pylori has been shown to generate ROSs/RNSs, induce DNA damage, and lead to chronic inflammation in gastric epithelial cells. A limited number of studies have addressed the effects of Helicobacter pylori on DNA damage, particularly its impact on single-strand and double-strand DNA breaks. This bacterium is classified as a Group I carcinogen by the International Agency for Research on Cancer on the basis of numerous animal and epidemiological studies. Chronic Helicobacter pylori infection can lead to increased risk of gastric cancer and mucosa-associated lymphoid tissue (MALT) lymphoma. This review addresses the DNA-damaging and double-strand break-inducing effects of different microorganisms and their toxins, specifically focusing on Helicobacter pylori. PMID- 29199595 TI - Epidermal Growth Factor Receptor Tyrosine Kinase: A Potential Target in Treatment of Non-Small-Cell Lung Carcinoma. AB - Lung cancer is responsible for 1.6 million deaths. Approximately 80%-85% of lung cancers are of the non-small-cell variety, which includes squamous cell carcinoma, adenocarcinoma, and large-cell carcinoma. Knowing the stage of cancer progression is a requisite for determining which management approach-surgery, chemotherapy, radiotherapy, and/or immunotherapy-is optimal. Targeted therapeutic approaches with antiangiogenic monoclonal antibodies or tyrosine kinase inhibitors are one option if tumors harbor oncogene mutations. Another, newer approach is directed against cancer-specific molecules and signaling pathways and thus has more limited nonspecific toxicities. This approach targets the epidermal growth factor receptor (EGFR, HER-1/ErbB1), a receptor tyrosine kinase of the ErbB family, which consists of four closely related receptors: HER-1/ErbB1, HER 2/neu/ErbB2, HER-3/ErbB3, and HER-4/ErbB4. Because EGFR is expressed at high levels on the surface of some cancer cells, it has been recognized as an effective anticancer target. EGFR-targeted therapies include monoclonal antibodies (mAbs) and small-molecule tyrosine kinase inhibitors. Tyrosine kinases are an especially important target because they play an important role in the modulation of growth factor signaling. This review highlights various classes of synthetically derived molecules that have been reported in the last few years as potential EGFR-TK inhibitors (TKIs) and their targeted therapies in NSCLC, along with effective strategies for overcoming EGFR-TKI resistance and efforts to develop a novel potent EGFR-TKI as an efficient target of NSCLC treatment in the foreseeable future. PMID- 29199596 TI - Insulin Combined with Glucose Improves Spatial Learning and Memory in Aluminum Chloride-Induced Dementia in Rats. AB - Therapeutic intervention using drugs against Alzheimer disease is curative clinically. At present, there are no reports on the curative role of insulin in chronic models of dementia. We evaluated the curative role of insulin and its combination with glucose in dementia. We also investigated the impact of treatments on blood glucose to correlate with cognitive deficit. Further, we analyzed the interaction of treatments with the cholinergic system and oxidative stress in memory centers (i.e., hippocampus and frontal cortex). The antidementia activity of insulin was assessed against aluminum chloride (AlCl3)-induced dementia in rats. Behavioral parameters (Morris water maze test) along with biochemical parameters (Hippocampus and frontal cortex) such as acetylcholinesterase (AChE), catalase, and glutathione (GSH) levels were assessed to correlate cognitive function with cholinergic transmission and oxidative stress. Rats administered insulin and glucose showed improved cognitive function in the Morris water maze test. The combination corrected the diminished level of antioxidant enzymes such as catalase and GSH in the hippocampus and frontal cortex.Combined administration of insulin and glucose to aluminum-treated rats did not inhibit the aluminum action on the acetylcholinesterase enzyme. No significant changes were observed in blood glucose levels between the treatment groups. PMID- 29199598 TI - Transcranial Magnetic Stimulation in Migraine: A New Therapy and New Insights into Pathogenesis. AB - Transcranial magnetic stimulation (TMS) was first found to be effective in acute migraine 12 years ago, and subsequent studies have confirmed this benefit in approximately two -thirds of treated patients. High response rate, ease of application, and freedom from adverse effects combine to make TMS a natural front line treatment for migraine, and its use should therefore be encouraged. In relation to the pathogenesis of migraine, the prompt relief of symptoms often observed with TMS is considered incompatible with an underlying neuroinflammatory process and with spreading depression as a cause of aura. Instead, the available evidence points to hyperexcitability of cortical neurons as the immediate cause of headache and any associated symptoms, although the factor(s) leading up to the hyperexcitability remain unclear. PMID- 29199599 TI - Air Pollution and Cardiovascular Disease: A Review. AB - Air pollution is comprised of different compounds and particulate matter (PM) of sizes 2.5 and 10 MUm, with the former size posing the greatest danger to humans. Evidence suggests that the global rise in air pollution levels during the past century is correlated with the increased incidence of diseases of the cardiovascular system. On a global scale, 7 million individuals died as a result of the effects of air pollution in 2012. Air pollution leads to tremendous amounts of financial burden (in 2010, $16 trillion in the US and Europe) on the health-care system. The severity of effects experienced by varying populations due to air pollution can differ due to locale, length of exposure, weather conditions, residential proximity to major highways or factories, and soil aridity. Pollutants affect the heart, blood vessels, and blood at a molecular level through proinflammatory or oxidative stress response, autonomic nervous system imbalance, and the direct permeation of harmful compounds into the tissue. The dysfunction of cells and biological processes of the cardiovascular system due to PM leads to an increased prevalence of cardiovascular diseases (CVDs) such as atherosclerosis, hypertension, myocardial infarction, thrombosis, and restricted valve motion. Studies in countries such as China have shown an increase of 0.25% in ischemic heart disease (IHD) mortality and a 0.27% increase in IHD morbidity due to a 10 MUg/m3 increase in PM. In a study conducted in the US, PM2.5 concentrations ranged from 9.2-22.6 MUg/m3, and every 5-MUg/m3 increase in PM2.5 caused coronary calcification to increase by 4.1 Agatston units/yr. Studies on traffic-related air pollution found that nonhypertensive participants residing within 100 m of major roadways experienced an increase in systolic (0.35 mmHg) and diastolic (0.22 mmHg) blood pressure as a result of increases in traffic. The progression of CVD due to pollution has been found to fluctuate within individuals based on age, gender, location of exercise, smoking, pregnancy, diabetes, preexisting cardiovascular or pulmonary diseases, and other factors. Considering the number of individuals affected by pollution on a daily basis and the burden that this places on society through the health-care system, immediate preventive measures are needed to address these problems. Increased knowledge about the widespread effects of pollution on human physiological systems should aid in remediating the problem across the globe. Biomedical engineers can have a great positive impact in developing better instrumentation to measure discrete pollutants and characterizing their harmful effects on physiological systems. PMID- 29199597 TI - Hepatocellular Carcinoma and Possible Chemical and Biological Causes: A Review. AB - The development of hepatocellular carcinoma (HCC) is a multistep process. In HCC, progressive and morphologically distinct preneoplastic lesions/alterations associated with chronic liver injury, inflammation, hepatocellular degeneration/regeneration, necrosis, and small-cell dysplasia can be observed. The incidence of HCC exhibits regional and ethnic differences. Several cytotoxic and DNA-damaging chemicals are suggested to be the underlying causes of HCC-for example, acrylamide, perfluorooctanoic acid (PFOA), polychlorinated biphenyls (PCBs), benzo(a)pyrene (BaP), perfluorinated chemicals (PFCs), vinyl chloride monomer (VCM), and dietary contaminants (aflatoxins, ochratoxins). Also suggested are substances of abuse (alcohol) and biological agents, such as hepatitis B and C and human immunodeficiency virus 1 (HIV-1). These can act through genetic and/or epigenetic mechanisms. This review will shortly address the genetic and epigenetic mechanisms of HCC and focus on cytotoxic and DNA-damaging chemicals and biological agents, exposure to which are suggested to lead to HCC initiation, promotion, and/or progression. PMID- 29199600 TI - The Migraine Aura: A Problem for Vision Theory? AB - The scintillating zigzag pattern that a migraine patient may see as an illusion before the onset of headache offers a unique investigative approach to visual mechanisms. The likeliest interpretation of these zigzags is that they are the spontaneous discharges of the orientation-selective neurons first described in the striate cortex by Hubel and Wiesel (Hubel DH, Wiesel TN. Receptive fields, binocular interaction and functional architecture in the cat's visual cortex. J Physiol (Lond). 1962 Jan;160:106-54; and Hubel DH, Wiesel TN. Receptive fields and functional architecture of monkey striate cortex. J Physiol (London). 1968 Mar;195(1):215-43). Although these cells appear to lie in rows in V1, as Hubel and Wiesel found, very few angles in the visual field are represented; this, and the coarseness of the representation, makes it unlikely that the cells act as feature detectors. The orientation-selective cells could, however, monitor the amount of light falling on the retina and thereby enable color constancy to be achieved. The cells may also serve as coarse movement detectors. The new model of cell organization in human V1 enables us to determine the approximate sizes of the receptive fields of the orientation-selective cells. PMID- 29199601 TI - A Review of Sensing Systems and Their Need for Environmental Water Monitoring. AB - Water is a valuable natural resource and is needed to sustain human life. Water pollution significantly jeopardizes clean drinking water supplies, it is hazardous to human health, and it inhibits economic development. Well-designed sensors that can continuously monitor water quality during transport and identify contaminants in the watershed help effectively control pollution and thereby manage water resources. However, the commercially available sensors are expensive and require frequent maintenance. These limitations often make these sensors inadequate for continuous water monitoring applications. This review evaluates many sensors based on colorimetric, electrochemical, and optical sensors. Sensors suitable for estimating the amount of dissolved oxygen, nitrates, chlorine, and phosphates are presented. A review of recently developed high quality sensors for measuring the previously mentioned components of water is also presented. Future directions in this area of developing high quality sensors for water monitoring are discussed. PMID- 29199602 TI - Air Pollution's Effects on the Human Respiratory System. AB - The World Health Organization defines air pollution as "any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere." The most common pollutants include particulate matter, carbon monoxide, ozone, nitrogen oxide, and sulfur dioxide. The two types of air pollution, indoor and ambient, both contribute to a host of cardiac and respiratory illnesses. Exposure to excess levels of air pollution is significantly associated with a variety of acute and chronic respiratory illnesses, such as chronic obstructive pulmonary disease, asthma, respiratory allergies, and lung cancer. The effects of air pollution disproportionately impact the extremes of the age distribution, perhaps due to altered immune responses. Athletes and those who exercise outdoors are at greater risk for the respiratory effects of air pollution. This article discusses the epidemiology, types of respiratory diseases, and mechanisms involved in exposure to excess levels of air pollution. Biomedical engineering can contribute to the identification of air pollutants through the design of novel instrumentation using materials based on nanotechnology. Mathematical models can also be developed to characterize the physiological effects of air pollution. PMID- 29199603 TI - Posture and Loading in the Pathomechanics of Carpal Tunnel Syndrome: A Review. AB - Carpal tunnel syndrome is a neuropathy of the median nerve at the wrist, and represents the most common peripheral neuropathy. It has long been an issue in the workplace because of healthcare costs and loss of productivity. The two main pathomechanisms of carpal tunnel syndrome include increased hydrostatic pressure within the carpal tunnel (carpal tunnel pressure) and contact stress (or impingement). As most cases of carpal tunnel syndrome in the workplace are labelled "idiopathic", a clear understanding of the physical parameters that may act as pathomechanisms is critical for its prevention. The aim of this review is to examine and quantify the influence of posture and loading factors on the increase of carpal tunnel pressure and median nerve contact stress. Forearm, wrist, and finger postures, as well as fingertip force have significant effects on carpal tunnel pressure. Contact stress on the median nerve is mainly a product of wrist posture and musculotendinous loading. Anatomical and musculoskeletal sources have been proposed to explain these effects. This critical review provides an improved understanding of pathomechanisms and etiology underlying carpal tunnel syndrome. PMID- 29199604 TI - miRNA: A Diagnostic and Therapeutic Tool for Pancreatic Cancer. AB - Pancreatic ductal adenocarcinoma (PDAC) is fatal disease and one of the major causes of death among cancer patients. Diagnosis of PDAC during the early stages of cancer using ultrasounds and blood tests is difficult and chemotherapies alone for treating cancers are not very effective. MicroRNAs (miRNAs), small non-coding RNAs that alter the expression of genes in many processes, have been identified to play a significant role in pancreatic cancer regulation. miRNAs are classified as oncomiRs (tumor inducers) and tumor suppressor miRNAs. It has been found that miRNAs are regulated very differently in serum and cells surrounding cancer cells and within cancerous cells. miRNAs regulate cancer cell proliferation, invasion, and apoptosis by being differently up-regulated or downregulated and affecting the expression of genes involved in cancer cell signaling. Therefore, miRNAs can be used as effective diagnostic markers and drug targets for therapy. In this review, we describe the most recent studies performed for understanding molecular mechanisms and gene regulations in PDAC and their utility for diagnosis and therapy. PMID- 29199605 TI - Modeling Mesenchymal Stem Cells in TMJ Rheumatoid Arthritis and Osteoarthritis Therapy. AB - Stem cells have self-renewal capacity and an ability to differentiate into particular cell types generating mature cells. Mesenchymal stem cells (MSCs) have a significant role in tissue homeostasis, which leads into tissue regeneration. MSCs are rare pluripotent cells supporting hematopoietic and mesenchymal cell lineages. MSCs are also believed to have therapeutic power over temporomandibular joint (TMJ) disorders (TMDs). The most common type of TMD is articular disc displacement, which induces progressive degenerative changes. These changes lead to rheumatoid arthritis or osteoarthritis. In this review, use of human mesenchymal cells (hMSCs) for therapeutic treatment of inflammatory diseases of TMJ is discussed. PMID- 29199606 TI - Association of IL-6 -597 G/A Polymorphism with Cancer Risk: Evidence from a Meta Analysis. AB - Although it has been suggested that the interleukin-6(IL-6) gene -597G/A polymorphism may be a risk factor for cancer, the conclusions from previous studies are inconsistent. To clarify the precise interrelation, we performed a comprehensive meta-analysis of 6 case-control studies involving 1,605 subjects (706 cases and 899 controls). The overall results showed no significant association between the IL6 -597G/A polymorphism and cancer risk in the overall population (CC vs GG: OR = 2.38, 95% CI = 0.62-9.14; CG vs GG: OR = 1.23, 95% CI = 0.66-2.27; dominant model: OR = 1.32, 95% CI = 0.63-2.79; recessive model: OR = 1.93, 95% CI = 0.72-v5.17). Subgroup analysis by ethnicity and cancer type yielded the same result. Therefore, the current evidence from this meta-analysis did not support the hypothesis of IL-6 -597G/A polymorphism as a risk factor of cancer. Conclusive evidence on the effects of this variant in cancer should be addressed in future studies. PMID- 29199607 TI - Transposable Elements (Human Endogenous Retroviruses) in Cancer. AB - Transposable elements (TEs) have shown a great significance in regulatory elements research, being responsible for different types of cancers. They are divided into three classes on the basis of their mode of transposition, structural properties, and their homology with DNA sequence. In evaluating their role in cancers and other pathologies, researchers have found extensive evidence of their involvement. TEs can also be used as genetic markers for cancers and help in identifying potential therapeutic targets. There have been advancements in the management of hepatocellular carcinoma using TEs as regulatory components involved in the cancer's pathogenesis. PMID- 29199608 TI - Role of Interleukin-6 in Development of Insulin Resistance and Type 2 Diabetes Mellitus. AB - Interleukin-6 (IL-6) is a proinflammatory cytokine that decisively induces the development of insulin resistance and pathogenesis of type 2 diabetes mellitus (T2DM) through the generation of inflammation by controlling differentiation, migration, proliferation, and cell apoptosis. The presence of IL-6 in tissues is a normal consequence, but its irregular production and long-term exposure leads to the development of inflammation, which induces insulin resistance and overt T2DM. There is a mechanistic relationship between the stimulation of IL-6 and insulin resistance. IL-6 causes insulin resistance by impairing the phosphorylation of insulin receptor and insulin receptor substrate-1 by inducing the expression of SOCS-3, a potential inhibitor of insulin signaling. In this article, we have briefly described how IL-6 induces the insulin resistance and pathogenesis of T2DM. The prevention of inflammatory disorders by blocking IL-6 and IL-6 signaling may be an effective strategy for the treatment of insulin resistance and T2DM. PMID- 29199609 TI - TSG101: Tumor Susceptibility Gene 101 (tsg101) Product-Role in Therapy Against HIV/AIDS. AB - HIV infection presents a major community health hazard, partially because the HIV virus is capable of evading antiretroviral therapies. Most anti-HIV drugs were intended to target virus-encoded mechanisms; however, some host-encoded molecules comparatively execute a vital role in the life cycle of virus. Thus, these might be considered as target sites for antiviral agents. TSG101 is important among these antiviral therapies because, as a cytoplasmic molecule, it facilitates viral budding and release. In this review, HIV-infected cells have TSG101 on their surface and thus can be used in antibody-based therapies. The development of a monoclonal antibody CB8-2 lessens the assembly of viruses from infected cells. This mechanism represents the potential use of TSG101-directed antibodies to fight against AIDS. PMID- 29199610 TI - Potential Utility of N-acetylcysteine for Treating Mustard Lung. AB - More than a century after the introduction of sulfur mustard (SM), as a chemical warfare agent, it has affected thousands of military and civilians on several occasions. The most notable toxic effects of this easily produced chemical, are lung damage ranges from necrotic, hemorrhagic, and infectious acute-lung injury to chronic conditions (i.e., mustard lung). While there is no definite treatment for individuals exposed to sulfur mustard, corticosteroids, mucolytics, bronchodilators, antibiotics, immunosuppressive medicines, and magnesium are being used to help victims. In the pathophysiology of SM-induced lung conditions, oxidative stress and inflammation play undeniable roles; thus, N-acetyl-L cysteine (NAC) has been used as a treatment. In this narrative review article, we discuss the mechanisms involved in SM-induced lung damage along with the properties of NAC that can help patients recover from these deleterious effects. PMID- 29199611 TI - Association of ERCC1 Polymorphisms with the Risk of Colorectal Cancer: A Meta Analysis. AB - The ERCC1 enzyme in the nucleotide excision repair (NER) pathway plays a vital role in DNA repair. Numerous epidemiological studies have evaluated the association between ERCC1 polymorphisms and the risk of colorectal cancer (CRC), with conflicting results. To evaluate the potential associations, we conducted a meta-analysis. Eligible studies were identified by searching electronic databases. The odds ratio (OR) and 95% confidence interval (CI) were applied to assess the associations between ERCC1 polymorphisms and CRC risk. The meta analysis results revealed significant associations between ERCC1 rs3212986 and rs2298881 polymorphisms and CRC risk (rs3212986 GG vs CC: OR = 1.66, 95% CI = 1.13-2.44; CG vs CC: OR = 1.12, 95% CI = 0.82-1.55; the dominant model: OR = 1.21, 95% CI = 0.86-1.71; the recessive model: OR = 1.59, 95% CI = 1.09-2.31; rs2298881 CC vs. AA: OR = 2.04, 95% CI = 1.29-3.23; AC vs. AA: OR = 1.19, 95% CI = 0.91-1.56; the dominant model: OR = 1.33, 95% CI = 1.04-1.72; the recessive model: OR = 1.91, 95% CI = 1.22-3.00). However, no association with CRC risk was identified for ERCC1 polymorphisms rs11615 and rs2276466. In conclusion, these findings identified no association between rs11615 and rs2276466 polymorphisms and CRC susceptibility, but the data indicate that ERCC1 rs3212986 and rs2298881 polymorphisms may increase susceptibility to CRC. Large and well-designed studies are needed to further validate our findings. PMID- 29199612 TI - Involvement of Different Genes Expressions during Immunological and Inflammatory Responses in Vitiligo. AB - Vitiligo is a condition of the skin distinguished by hypo-pigmentation. Etiology of this disorder is unknown, and several theories and mechanisms have been hypothesized. The inflammatory response in vitiligo is thought to be mediated by polymorphism in genes such as FOXP3, ACE, APE, GSTP1, TLR, SOD, CTLA-4, TAP/LMP gene cluster, etc. Theories including reactive oxygen species model, Nrf2 antioxidant response element (ARE) pathway, WNT pathway, tyrosinase activity, biochemical, molecular, and cellular alterations have been hypothesized to explain vitiligo pathogenesis. Melanosomal proteins are involved in antigen processing. The antigens are expressed to the T-cells in the form of peptides with HLA class II molecules. T-cells are activated in response to the discharge of co-stimulatory molecules such as LFA-3 as well as ICAM-1. An adaptive immune response is thus elicited, and the melanocytes eventually die or start malfunctioning and the skin undergoes hypo-pigmentation. IFN-gamma is known to be a melanocyte inhibitor of paracrine origin; it is clearly involved in the early onset of symptoms of vitiligo disease. The surge in the IFN-gamma levels mediates augmented expression of ICAM-1 molecule on the melanocytes, thereby establishing cytokine-mediated destruction of melanocytes. Mainly, mediators released by melanocytes and the functionality of keratinocytes decrease the disease activity. Such mediators include ET-1 as well as SCF, increase the pigmentation particularly when a patient is given with the UVB treatment. By scavenging ROS and screening UV radiation, melanin limits the damage caused to the cutaneous cells by UV radiation. Various immune responses play important roles in vitiligo. PMID- 29199613 TI - Current Retrograde Approach Is Unfavorable to Long-Term Clinical Outcomes after Percutaneous Coronary Intervention for Chronic Total Occlusion. AB - Surgeons currently use two different wire-based approaches to recanalize coronary chronic total occlusion (CTO): antegrade and retrograde. It has been demonstrated that the retrograde approach has improved the procedural success rate, but it remains unclear whether the retrograde approach is better than the antegrade approach for the long term. In this study, we enrolled a total of 187 patients with a diagnosis of CTOs. We evaluated the baseline characteristics of these patients and performed percutaneous coronary intervention to treat their problems by using either antegrade or retrograde approaches and different techniques in both groups. In the antegrade approach, we used three techniques: single wire, parallel wire, and side branch. The techniques in retrograde included kissing wire, controlled antegrade and retrograde subintimal tracking (CART), and reverse CART. We found that the antegrade and retrograde groups had similar baseline characteristics, with a few minor differences. Most importantly, we found that within 1 yr of the recanalizing procedure, the restenosis rate and major adverse cardiac event rate of the retrograde group were significantly higher compared to the antegrade group. We conclude that the retrograde approach may not be as beneficial as the antegrade approach for long-term clinical outcomes. PMID- 29199614 TI - Electromagnetic Response of Bones Adjacent to the Dental Root Before and After Dental Implantation. AB - The aim of this study was relative variation quantification of the total electric field (EF) sum in a region very close to a dental root of the first molar tooth for two different materials: dentine (before implantation) and titanium (present in a screw after implantation), due to development of electrical charges generated by chewing force on the tooth. Because bone is a piezoelectric material, mechanical strain that is generated by chewing force on bone adjacent to the dental root produces electrical charges. Relative variations in the EF sum values with distance of nodes from the centerline of the root was observed for both cases and studied for two different boundary voltage conditions. Simulation and analysis were performed using the commercial finite-element analysis package ANSYS14. The detailed convergence analysis validated the effectiveness and accuracy of finite-element simulations. Before and after implantation, a significant variation in generation of electric charges at adjacent bone of the dental root was observed. We found that the differences in stress generation at the adjacent bone for those cases were just 5%, on average. PMID- 29199615 TI - The Role of Macrophages in the Biological Reaction to Wear Debris from Artificial Joints. AB - Normal usage of total joint replacements results in the production of wear debris and other byproducts. In particular, polyethylene particles are heavily involved in the stimulation of local and systemic biological reactions resulting in chronic inflammation, periprosthetic bone resorption (osteolysis), and eventually implant loosening. As sentinels of the innate immune system, cells of the monocyte/macrophage lineage initiate the inflammatory cascade that lead to osteolysis. The biological processes involved are complex, based on the unique properties of the monocytes/macrophages, including sensing, chemotaxis, phagocytosis, and adaptive stimulation. The interaction with wear debris triggers the release of pro-inflammatory factors such as tumor necrosis factor-alpha, interleukin-1, and others; pro-osteoclastic factors such as RANKL; and chemokines such as MCP-1 and MIP-1, all of which are crucial to the recruitment, migration, differentiation, and ultimately activation of bone-resorbing osteoclasts. In parallel, other distinct macrophage populations inhibit inflammation and mitigate its consequences on the bone-implant interface. Here, the role of the monocyte/macrophage cell lineage in the initiation and maintenance of the host inflammatory response to wear debris and subsequent periprosthetic osteolysis is presented. PMID- 29199616 TI - Very Large Diameter Polymer Acetabular Liners Show Promising Wear Simulator Results. AB - Thinner and larger acetabular components are more stable and are useful for resurfacing. This study performed wear simulator tests of the largest polyurethane (PUR) and highly cross-linked polyethylene (XLPE) liners available. The results were compared with conventional polyethylene (ConvPE) to determine wear, survivorship, wear debris particles generated, and oxidative degradation. Two-piece acetabular components with a 4-mm poly liner, a 2-mm metal backing, and 1 mm of porous coating with an inner diameter of 51 mm were tested. Cobalt chromium (CoCr) and titanium nitride (TiN)-coated titanium- resurfacing femoral components were counter-face surfaces. Acetabular components were tested at 45 degrees and 65 degrees inclinations, with both 300 MUm and an increase of 1 mm in radial clearance. After 30 million cycles, PUR had 56% (p < 0.001) less wear and cross-linked had 93% (p < 0.001) less wear than ConvPE. TiN-coated femoral implants had 23% less wear than CoCr when used with cross-linked polyethylene. Wear increased by 16% at 65 degrees and by 19% when radial clearance increased with cross-linked polyethylene. Polymethylmethacrylate debris ultimately failed ConvPE, but not the cross-linked polyethylene or PUR. XLPE acetabular liners are compatible with >20 years of expected use in active patients. PMID- 29199617 TI - Can Both Cruciate Ligaments Be Preserved in Knee Arthroplasty? Eight- to Nine Year Follow-Up of a Bicompartmental Knee Replacement. AB - Preservation of native knee anatomy may confer improved patient satisfaction, as suggested by patient satisfaction scores in unicondylar versus total knee replacement. Bicompartmental knee replacement (BKR) implants similarly promote native tissue preservation. We retrospectively reviewed 42 consecutive patients who underwent BKR from 2006 to 2007. Outcome measures were evaluated. At an average follow-up of 103 months (range 87-110), 34/42 (81%) of implants survived. Among the retained implants, the Knee Society Score (KSS) grade was excellent in 26/34 (76.5%), good in 5/34 (14.7%), fair in 3/34 (8.8%), and poor in 0/34 (0%) of cases. Midterm results of BKR demonstrated 81% survival and 76% with excellent KSS grading. Despite a 20% revision rate at the short-term follow-up, the retained implants functioned well at the midterm follow-up. PMID- 29199618 TI - Clinical and Radiographic Evaluation of Demineralized Freeze-Dried Cancellous Block Allograft for Ridge Augmentation: A Pilot Study. AB - Bone resorption after tooth extraction is a common problem in implant dentistry. Allografts are one of the therapeutic techniques used to reconstruct the deficient ridge. Although this technique eliminates the need for a surgical donor site, it has yielded contradictory results. The aim of the present pilot study was to evaluate the clinical and radiographic results of the use of demineralized freeze-dried cancellous block allografts (DFDCBAs) in lateral ridge augmentation. Seven patients were included in this study. Lateral reconstruction of bone was performed using DFDCBA with stabilizing screws and resorbable collagen membranes. The ridge width was initially measured during the augmentation surgery. A second measurement was taken 6 months later at the time of implant placement. In addition, cone bean computed tomography images were used at both baseline and at 6-month reentry for measuring the width of bone by applying an acrylic stent with a radiopaque marker at the edentulous area. Paired t test was used to evaluate the statistical differences. The mean increase in the clinical and radiographic ridge widths were 1.70 +/- 1.90 and 1.28 +/- 1.52 mm, respectively, which were not statistically significant (P = 0.56 and P = 0.067, respectively). The results showed that the use of DFDCBAs in conjunction with resorbable membrane does not yield predictable results in the reconstruction of ridge width deficiencies. PMID- 29199619 TI - Unusual Complication after Intramedullary Nailing of an Intertrochanteric Fracture. AB - Intramedullary nails have gained popularity for the treatment of intertrochanteric fractures. Cephalic screw cutout, non-union, nail breakage, intraoperative fractures, and peri-implant fractures are complications of these implants and have been well described. This case report describes an unusual complication in an 89-year-old woman presenting with a femoral neck fracture with an intramedullary nail in place without implant failure or non-union after having been successfully treated three years previously for an intertrochanteric fracture. PMID- 29199621 TI - Static, Dynamic, and Fatigue Finite Element Analysis of Dental Implants with Different Thread Designs. AB - In this study, we aimed to design an ideal dental implant with respect to stress and strain patterns on the surrounding cortical and cancellous bones. The effects of static loading on dental implants have been previously assessed, but the impact of dynamic loading and fatigue analysis has not been well studied. We evaluated static, dynamic, and fatigue behaviors of dental implants to fully understand the mechanism and acquire a more realistic perspective of the process. In this study, we analyzed three models of a tapered dental implant: model 1 had V-shaped threads; model 2 had microthreads in the upper area and V-shaped threads in the rest of the body; model 3 had reverse buttress threads in all areas. Two types of loading conditions were simulated in a finite element model, and stress and strain patterns in the surrounding bone were evaluated. Minimum von Mises stresses of cortical bone were recorded in model 2. The values for a 100-N load with a 25 degrees angle were 44.5 and 47.4 MPa for static and dynamic analyses, respectively. Considering the obtained stress and strain patterns, we conclude that a tapered implant with microthreads in the upper area and V-shaped threads in the rest of the body is preferred for best uniform stress distribution in both static and dynamic analyses. PMID- 29199620 TI - Eosinophilic Metallosis: A Newly Described Entity in Failed Metal-on-Metal Arthroplasty. AB - In recent years, metal-on-metal (MoM) orthopaedic implants have been associated with significant adverse tissue reactions, prompting revision surgeries and recalls by manufacturers. Adverse tissue reactions consist of a wide range of pathologic findings but are generally characterized by a histiocytic reaction to metal debris, with or without an inflammatory response. Inflammation is generally that of a lymphocytic infiltration that prompts concern of an immune reaction. Only occasionally have eosinophils been documented-never as a marked infiltrate. In this article, we present the first histologic description of a dominant eosinophilic infiltrate associated with MoM arthroplasty. In our case report, the patient is a 53-year-old woman who presented with recurrent fluid collections surrounding the hip after a MoM total hip arthroplasty. At the time of surgical revision, tissue samples were taken and found to consist of lymphocytes and a prominent infiltrating eosinophilia. To our knowledge, no factors predictive of this type of tissue response have been identified, and its significance remains unclear despite ongoing research about the nature of the immune response to metal. Future work may help to elucidate whether the type and significance of this response can be predicted preoperatively and modulated, if necessary, postoperatively. PMID- 29199622 TI - Bifid Median Nerve Complete Transection at the Wrist. AB - A 17-yr-old male patient was admitted with a transverse sharp transection caused by broken glass at the volar aspect of his left wrist. Clinical examination showed loss of sensation at the distribution of the median nerve to the thumb, index, and middle finger and an inability to flex the middle finger. Under regional anesthesia and a high humerus tourniquet, surgical exploration of the wound with binocular loupe magnification showed a bifid median nerve with a persistent thin median artery running between the two nerve trunks. The bifid median nerve was sharply and transversely transected, slightly proximal to the transverse carpal ligament. The palmaris longus tendon and the flexor digitorum superficialis tendon of the middle finger were also cut. The flexor digitorum tendon was sutured with a two-strand technique augmented with a running epitendinous suture. The two trunks of the bifid median nerve were repaired separately using microsurgical technique and 8-0 nylon epineural sutures. Postoperatively, the hand was immobilized in a palmar short-arm splint that was removed at 40 d. A progressive Tinel sign was evident 30 d postoperatively. At 3 mo, the patient experienced light touch sensation at the tip of the index and middle fingers. At the last follow-up, 2.5 yr after his injury, the patient has complete nerve functional recovery without atrophy of the thenar muscles and with strong thumb opposition. PMID- 29199623 TI - Arthroscopic Finding of an Extra-Articular Loose Body in the Subacromial Space: Case Report Presentation and Literature Review. AB - Loose bodies are pieces of soft tissue that run free within a body cavity, typically in the synovium; loose bodies outside of synovial cavities are very rare. This case study demonstrates such an instance occurring in the subacromial space, which is especially unusual. We report on it coupled with an analysis of the literature of known cases that have occurred previously. A 55-year old right hand-dominant female patient presented with left shoulder pain. She had injured her left shoulder 7 yr previously and had achieved adequate pain and symptomatic control with physiotherapy. A magnetic resonance imaging scan demonstrated subacromial subdeltoid bursitis with a large subacromial spur, a bulky acromioclavicular (AC) joint, and a partial tear of the supraspinatous tendon. The patient subsequently underwent shoulder arthroscopy for subacromial decompression and AC joint excision. Arthroscopy demonstrated a suspected impingement of the rotator cuff in the subacromial space, bursitis, and a prominent acromion that limited the subacromial space (bigliani, type III), but during the procedure a detached white mass was discovered in the subacromial bursa. After histological analysis, the mass showed osteocartilagenous tissue, consistent with a loose body. Following the procedure, there were no complications, and the patient's symptoms gradually resolved. Extraarticular loose bodies are extremely rare, especially in the subacromial bursa. Reported cases have all been associated with either traumatic or degenerative shoulder pathology, and the diagnosis was commonly established incidentally on arthroscopy. Cases were managed with removal during the same procedure. Arthroscopic removal of loose bodies and bursa debridement, good options for treatment of loose bodies in the subacromial space, can result in good function. PMID- 29199624 TI - A New Design for Maximum Conformity of Total Knee Prosthesis to Femur and Tibia. AB - Total knee arthroplasty (TKA) is a common procedure for treating patients with excessively arthritic knees. Nonetheless, early failure of TKA may occur in the first 5 yr, and up to 20% of TKA procedures can fail after 20 yr. In this study, a new anatomic prosthesis was designed to provide maximum conformity to knee bones and produce less stress and strain, in an effort to avoid possible failure of the prosthesis. Anatomical and conventional knee models were compared on the basis of both geometric conformity and stress and strain results obtained from finite element analysis. To compare geometric conformity, anatomic prosthesis components were manufactured by laser melting, and conventional prosthesis components were fixed to sawbone knee models. The anatomical model yielded up to 50% less contact pressure at the insert, which may indicate potential for reduced wear between insert and femur components. This model also resulted in less principal strain value at the tibial component, considered to be an important parameter to indicate loosening. The anatomical model with a new femur component in the anterior cortex design also yielded less stress at the femoral cortex, when compared to the conventional model. The findings in this study suggest that the anatomic prosthesis model may be a better design alternative to conventional knee prostheses in terms of wear, aseptic loosening, and normal joint biomechanics. PMID- 29199625 TI - Preface. PMID- 29199626 TI - Reliability and Validity of Nonsymbolic and Symbolic Comparison Tasks in School Aged Children. AB - Basic numerical processing has been regularly assessed using numerical nonsymbolic and symbolic comparison tasks. It has been assumed that these tasks index similar underlying processes. However, the evidence concerning the reliability and convergent validity across different versions of these tasks is inconclusive. We explored the reliability and convergent validity between two numerical comparison tasks (nonsymbolic vs. symbolic) in school-aged children. The relations between performance in both tasks and mental arithmetic were described and a developmental trajectories' analysis was also conducted. The influence of verbal and visuospatial working memory processes and age was controlled for in the analyses. Results show significant reliability (p < .001) between Block 1 and 2 for nonsymbolic task (global adjusted RT (adjRT): r = .78, global efficiency measures (EMs): r = .74) and, for symbolic task (adjRT: r = .86, EMs: r = .86). Also, significant convergent validity between tasks (p < .001) for both adjRT (r = .71) and EMs (r = .70) were found after controlling for working memory and age. Finally, it was found the relationship between nonsymbolic and symbolic efficiencies varies across the sample's age range. Overall, these findings suggest both tasks index the same underlying cognitive architecture and are appropriate to explore the Approximate Number System (ANS) characteristics. The evidence supports the central role of ANS in arithmetic efficiency and suggests there are differences across the age range assessed, concerning the extent to which efficiency in nonsymbolic and symbolic tasks reflects ANS acuity. PMID- 29199627 TI - Selectively Electron-Transparent Microstamping Toward Concurrent Digital Image Correlation and High-Angular Resolution Electron Backscatter Diffraction (EBSD) Analysis. AB - Digital image correlation (DIC) in a scanning electron microscope and high angular resolution electron backscatter diffraction (HREBSD) provide valuable and complementary data concerning local deformation at the microscale. However, standard surface preparation techniques are mutually exclusive, which makes combining these techniques in situ impossible. This paper introduces a new method of applying surface patterning for DIC, namely a urethane microstamp, that provides a pattern with enough contrast for DIC at low accelerating voltages, but is virtually transparent at the higher voltages necessary for HREBSD and conventional EBSD analysis. Furthermore, microstamping is inexpensive and repeatable, and is more suitable to the analysis of patterns from complex surface geometries and larger surface areas than other patterning techniques. PMID- 29199628 TI - Evaluation of food photographs assessing the dietary intake of children up to 10 years old. AB - OBJECTIVE: Young children lack basic skills related to recognizing the types of foods they consume and dietary surveys often rely on parents' response. The present study aimed to evaluate how well parents of children aged from 3 months to 10 years perceive images of portions of foods commonly consumed by young children. DESIGN: Pre-weighed, actual food portions (n 2314) were shown to the study participants who were asked to indicate the picture that corresponded to the food in view. Mean differences between picture numbers selected and shown were estimated and compared using unpaired t tests or Tukey-Cramer pairwise comparisons. SETTING: Real-time testing of parents' perception of food images presenting portion sizes consumed by children up to 10 years old. SUBJECTS: A convenience sample of 138 parents/caregivers of young children (69 % females). RESULTS: Individuals selected the correct or adjacent image in about 97 % of the assessments. Images presenting amorphous solids (i.e. pies and pastries with a filling), liquid or semi-liquid dishes (i.e. soups, porridges, fruit and vegetable purees) were more prone to bias. There was no indication that personal characteristics (gender, age, educational background, age, number of offspring) were associated with differences in the way parents/caregivers perceived the food pictures. CONCLUSIONS: Food pictures may not be appropriate to quantify the intake of liquid, semi-liquid or amorphous solid foods in surveys addressing young children and studies evaluating their performance as food portion anchors should ensure the inclusion of several and various amorphous foods in the assessment. PMID- 29199629 TI - Exploring the association of urban or rural county status and environmental, nutrition- and lifestyle-related resources with the efficacy of SNAP-Ed (Supplemental Nutrition Assistance Program-Education) to improve food security. AB - OBJECTIVE: To investigate the association of policy, systems and environmental factors with improvement in household food security among low-income Indiana households with children after a Supplemental Nutrition Assistance Program Education (SNAP-Ed) direct nutrition education intervention. DESIGN: Household food security scores measured by the eighteen-item US Household Food Security Survey Module in a longitudinal randomized and controlled SNAP-Ed intervention study conducted from August 2013 to April 2015 were the response variable. Metrics to quantify environmental factors including classification of urban or rural county status; the number of SNAP-authorized stores, food pantries and recreational facilities; average fair market housing rental price; and natural amenity rank were collected from government websites and data sets covering the years 2012-2016 and used as covariates in mixed multiple linear regression modelling. SETTING: Thirty-seven Indiana counties, USA, 2012-2016. SUBJECTS: SNAP Ed eligible adults from households with children (n 328). RESULTS: None of the environmental factors investigated were significantly associated with changes in household food security in this exploratory study. CONCLUSIONS: SNAP-Ed improves food security regardless of urban or rural location or the environmental factors investigated. Expansion of SNAP-Ed in rural areas may support food access among the low-income population and reduce the prevalence of food insecurity in rural compared with urban areas. Further investigation into policy, systems and environmental factors of the Social Ecological Model are warranted to better understand their relationship with direct SNAP-Ed and their impact on diet related behaviours and food security. PMID- 29199630 TI - Adherence to self-monitoring healthy lifestyle behaviours through mobile phone based ecological momentary assessments and photographic food records over 6 months in mostly ethnic minority mothers. AB - OBJECTIVE: Mobile phones can replace traditional self-monitoring tools through cell phone-based ecological momentary assessment (CEMA) of lifestyle behaviours and camera phone-based images of meals, i.e. photographic food records (PFR). Adherence to mobile self-monitoring needs to be evaluated in real-world treatment settings. Towards this goal, we examine CEMA and PFR adherence to the use of a mobile app designed to help mothers self-monitor lifestyle behaviours and stress. Design/Setting In 2012, forty-two mothers recorded CEMA of diet quality, exercise, sleep, stress and mood four times daily and PFR during meals over 6 months in Los Angeles, California, USA. SUBJECTS: A purposive sample of mothers from mixed ethnicities. RESULTS: Adherence to recording CEMA at least once daily was higher compared with recording PFR at least once daily over the study period (74 v. 11 %); adherence to both types of reports decreased over time. Participants who recorded PFR for more than a day (n 31) were more likely to be obese v. normal- to overweight and to have higher blood pressure, on average (all P<0.05). Based on random-effects regression, CEMA and PFR adherence was highest during weekdays (both P<0.01). Additionally, PFR adherence was associated with older age (P=0.04). CEMA adherence was highest in the morning (P<0.01). PFR recordings occurred throughout the day. CONCLUSIONS: Variations in population and temporal characteristics should be considered for mobile assessment schedules. Neither CEMA nor PFR alone is ideal over extended periods. PMID- 29199631 TI - Aggressors and Victims in Bullying and Cyberbullying: A Study of Personality Profiles using the Five-Factor Model. AB - Bullying and cyberbullying are highly prevalent in today's society. However, the personality profiles of different roles involved in this phenomenon remain little known. This study aims (1) to examine the association between bullying and cyberbullying in adolescents; and (2) to analyze the relationship between bullying and cyberbullying in terms of the domains and facets of the five-factor model (FFM). A total of 910 adolescents aged 12 to 19 years old participated. They were administered self-report assessments of aggression and victimization in bullying and cyberbullying, as well as the JS-NEO-S questionnaire. The results provide evidence of co-occurrence between bullying and cyberbullying (p < .001). We observed higher neuroticism in victims and aggressor-victims, higher openness in victims, higher agreeableness in victims and non-aggressor non-victims and higher conscientiousness in non-aggressor non-victims as compared with the rest of the groups (p < .001). Comparison of the four cyberbullying groups showed that cybervictims score higher in neuroticism and openness, cybervictims and non cybervictims non-cyberaggressors score higher in agreeableness and non cybervictims non-cyberaggressors score higher in conscientiousness (p < .001) In conclusion, this study provides a broad, systematic view of the personality traits associated with different roles implicated in traditional bullying and cyberbullying. PMID- 29199632 TI - Nucleation and Growth of Mg-Calcite Spherulites Induced by the Bacterium Curvibacter lanceolatus Strain HJ-1. AB - Calcite spherulites have been observed in many laboratory experiments with different bacteria, and spherulitic growth has received much interest in mineralogy research. However, the nucleation and growth mechanism, as well as geological significance of calcite spherulites in solution with bacteria is still unclear. Herein, spherulites composed of an amorphous core, a Mg-calcite body and an organic film were precipitated by the Curvibacter lanceolatus HJ-1 bacterial strain in a solution with a molar Mg/Ca ratio of 3. Based on the results, we provide a possible mechanism for the biomineralization of Mg-calcite spherulites. First, amorphous calcium carbonate particles are deposited and aggregated into a stable sphere-like core in combination with organic molecules. The core then acts as the nucleus of spherulitic radial growth. Finally, the organic film grows on the surface of Mg-calcite spherulites as a result of bacterial metabolism and calcification. These findings provide insight into the growth mode and crystallization of biogenic spherulites during biomineralization, and are of significance in the application of novel biological materials. PMID- 29199633 TI - Current nut recommendation practices differ between health professionals in New Zealand. AB - OBJECTIVE: Despite evidence linking regular nut consumption with reduced chronic disease risk, population-level intakes remain low. Research suggests nut promoting advice from doctors facilitates regular nut consumption. However, there is no information on current nut recommendation practices of health professionals. The aim of the present study was to examine the advice provided by health professionals regarding nut consumption. DESIGN: In this cross-sectional study, participants were invited to complete a survey including questions about their nut recommendation practices. SETTING: New Zealand (NZ). SUBJECTS: The NZ Electoral Roll was used to identify dietitians, general practitioners and practice nurses. RESULTS: In total 318 dietitians, 292 general practitioners and 149 practice nurses responded. Dietitians were more likely (82.7 %) to recommend patients increase consumption of nuts than general practitioners (55.5 %) and practice nurses (63.1 %; both P<0.001). The most popular nuts recommended were almonds, Brazil nuts and walnuts, with most health professionals recommending raw nuts. The most common recommendation for frequency of consumption by dietitians and practice nurses was to eat nuts every day, while general practitioners most frequently recommended 2-4 times weekly, although not statistically significantly different between professions. Dietitians recommended a significantly greater amount of nuts (median 30 g/d) than both general practitioners and practice nurses (20 g/d; both P<0.001). CONCLUSIONS: Dietitians were most likely to recommend consumption of nuts in accordance with current guidelines, but there are opportunities to improve the adoption of nut consumption recommendations for all professions. This may be a viable strategy for increasing population-level nut intakes to reduce chronic disease. PMID- 29199634 TI - Optimism and quality of life in patients with heart failure. AB - OBJECTIVES: Health-related quality of life (HR-QoL) of patients with heart failure (HF) is low despite the aim of HF treatment to improve HR-QoL. To date, most studies have focused on medical and physical factors in relation to HR-QoL, few data are available on the role of emotional factors such as dispositional optimism. This study examines the prevalence of optimism and pessimism in HF patients and investigates how optimism and pessimism are associated with different patient characteristics and HR-QoL. METHODS: Dispositional optimism was assessed in 86 HF patients (mean age 70 +/- 9 years, 28% female, mean left ventricular ejection fraction 33%) with the Revised Life Orientation Test (LOT R). HR-QoL was assessed with the Minnesota Living with Heart Failure Questionnaire and the EuroQol. RESULTS: The (mean +/- SD) total score on the LOT R was 14.6 +/- 2.9 (theoretical range 0-24) and the scores on the subscales optimism and pessimism were 8.1 +/- 1.9 and 5.5 +/- 2.5, respectively. Higher age was related to more optimism (r = 0.22, p < 0.05), and optimism was associated with higher generic HR-QoL (B = 0.04, p < 0.05). Significance of results The association found between optimism and generic HR-QoL of HF patients can lead to promising strategies to improve HF patients' HR-QoL, particularly because the literature has indicated that optimism is a modifiable condition. PMID- 29199635 TI - Melatonin Elicits Stimulatory Action on the Adrenal Gland of Soay Ram: Morphometrical, Immunohistochemical, and Ultrastructural Study. AB - Endogenous melatonin is a hormone secreted by pineal gland; it has several roles in metabolism, reproduction, and remarkable antioxidant properties. Studies on the melatonin effect on the adrenal glands which are important endocrine organs, controlling essential physiological functions, are still deficient. In this study, we attempted to investigate the effect of exogenous melatonin treatment on the adrenal cortex and medulla using several approaches. Adrenal glands of 15 Soay ram were examined to detect the effect of melatonin treatment. Our results revealed that the cells of adrenal cortex of the treated animals were separated by wide and numerous blood sinusoids and showed signs of increase steroidogenic activity, which are evidenced by functional hypertrophy with increase profiles of mitochondria, smooth endoplasmic reticulum, and lipid droplets. The most striking ultrastructural features in the medulla of the treated group were the engorgement of chromaffin cells with enlarged secretory granules enclosed within a significantly increased diameter of these cells. The cytoplasm of these cells showed numerous mitochondria, rough endoplasmic reticulum (rER), Golgi apparatus, lysosomes, and glycogen granules. Exocytosis of secretory granules to the lumen of blood vessels was evident in the treated group. Piecemeal degranulation mode of secretion was recorded after melatonin treatment. Chromaffin cells in the control group expressed moderate immunoreactivity to Synaptophysin and tyrosine hydroxylase, compared with intensified expression after melatonin treatment. The ganglion cells of the melatonin-treated group showed a significant increase in diameter with numerous rER. The most interesting feature in this study is the presence of small granule chromaffin cells (SGC) and telocytes (TCs) for the first time in the adrenal glands of sheep. Moreover, these SGC cells, Schwann cells, fibroblasts, and progenitor stem cells showed a stimulatory response. The TCs were small branched cells scattered in the adrenal glands around cortical cells, chromaffin cells, nerve fibers, and blood vessels. These cells increased significantly in number, length of their telopodes, and secretory activity after melatonin treatment. In addition, multiple profiles of unmyelinated nerve fibers were demonstrated in all treated specimens. These results indicated that melatonin treatment caused a stimulatory action on all cellular and neuronal elements of the adrenal gland. This study may act as a new direction for treatment of adrenal insufficiency. PMID- 29199636 TI - Identifying ADHD children using hemodynamic responses during a working memory task measured by functional near-infrared spectroscopy. AB - OBJECTIVE: Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder affecting children and adults. Previous studies found that functional near-infrared spectroscopy (fNIRS) can reveal significant group differences in several brain regions between ADHD children and healthy controls during working memory tasks. This study aimed to use fNIRS activation patterns to identify ADHD children from healthy controls. APPROACH: FNIRS signals from 25 ADHD children and 25 healthy controls performing the n-back task were recorded; then, multivariate pattern analysis was used to discriminate ADHD individuals from healthy controls, and classification performance was evaluated for significance by the permutation test. MAIN RESULTS: The results showed that 86.0% ([Formula: see text]) of participants can be correctly classified in leave-one out cross-validation. The most discriminative brain regions included the bilateral dorsolateral prefrontal cortex, inferior medial prefrontal cortex, right posterior prefrontal cortex, and right temporal cortex. SIGNIFICANCE: This study demonstrated that, in a small sample, multivariate pattern analysis can effectively identify ADHD children from healthy controls based on fNIRS signals, which argues for the potential utility of fNIRS in future assessments. PMID- 29199637 TI - Automated 3D bioassembly of micro-tissues for biofabrication of hybrid tissue engineered constructs. AB - Bottom-up biofabrication approaches combining micro-tissue fabrication techniques with extrusion-based 3D printing of thermoplastic polymer scaffolds are emerging strategies in tissue engineering. These biofabrication strategies support native self-assembly mechanisms observed in developmental stages of tissue or organoid growth as well as promoting cell-cell interactions and cell differentiation capacity. Few technologies have been developed to automate the precise assembly of micro-tissues or tissue modules into structural scaffolds. We describe an automated 3D bioassembly platform capable of fabricating simple hybrid constructs via a two-step bottom-up bioassembly strategy, as well as complex hybrid hierarchical constructs via a multistep bottom-up bioassembly strategy. The bioassembly system consisted of a fluidic-based singularisation and injection module incorporated into a commercial 3D bioprinter. The singularisation module delivers individual micro-tissues to an injection module, for insertion into precise locations within a 3D plotted scaffold. To demonstrate applicability for cartilage tissue engineering, human chondrocytes were isolated and micro-tissues of 1 mm diameter were generated utilising a high throughput 96-well plate format. Micro-tissues were singularised with an efficiency of 96.0 +/- 5.1%. There was no significant difference in size, shape or viability of micro-tissues before and after automated singularisation and injection. A layer-by-layer approach or aforementioned bottom-up bioassembly strategy was employed to fabricate a bilayered construct by alternatively 3D plotting a thermoplastic (PEGT/PBT) polymer scaffold and inserting pre-differentiated chondrogenic micro-tissues or cell-laden gelatin-based (GelMA) hydrogel micro-spheres, both formed via high throughput fabrication techniques. No significant difference in viability between the construct assembled utilising the automated bioassembly system and manually assembled construct was observed. Bioassembly of pre-differentiated micro-tissues as well as chondrocyte-laden hydrogel micro-spheres demonstrated the flexibility of the platform while supporting tissue fusion, long-term cell viability, and deposition of cartilage-specific extracellular matrix proteins. This technology provides an automated and scalable pathway for bioassembly of both simple and complex 3D tissue constructs of clinically relevant shape and size, with demonstrated capability to facilitate direct spatial organisation and hierarchical 3D assembly of micro-tissue modules, ranging from biomaterial free cell pellets to cell-laden hydrogel formulations. PMID- 29199639 TI - The ovarian cycle may influence the exhaled volatile organic compound profile analyzed by an electronic nose. AB - INTRODUCTION: We aimed to investigate whether the sex hormone profile during the ovarian cycle in healthy women could affect the volatile organic compound (VOC) profile analyzed by an electronic nose (e-nose). METHODS: We enrolled 21 healthy, never-smoking, regularly menstruating women who were not taking any medications. A series of exhaled breath measurements were performed on all subjects at predefined intervals (days 1-6, 7-12, 13-19, 20-25 and 26-31; day 1 was the first day of menstruation) during their ovarian cycle and analyzed by an e-nose (Cyranose 320). RESULTS: By principal component analysis, significant modifications of the exhaled VOC profile were observed over the cycle for principal component 1 (PC1; p = 0.001). In particular, the PC1 value was significantly higher during the premenstrual period and during menstruation compared with the first third of estrogen phase, mid-cycle and the first third of progestational phase (for all parameters p < 0.05 and p < 0.01, respectively). Subsequent linear discriminant analysis confirmed the above findings. CONCLUSIONS: The ovarian cycle may alter the exhaled VOC pattern and this should be taken into account during serial measurements of these markers in the female population. PMID- 29199638 TI - Volatile fingerprinting of human respiratory viruses from cell culture. AB - Volatile metabolites are currently under investigation as potential biomarkers for the detection and identification of pathogenic microorganisms, including bacteria, fungi, and viruses. Unlike bacteria and fungi, which produce distinct volatile metabolic signatures associated with innate differences in both primary and secondary metabolic processes, viruses are wholly reliant on the metabolic machinery of infected cells for replication and propagation. In the present study, the ability of volatile metabolites to discriminate between respiratory cells infected and uninfected with virus, in vitro, was investigated. Two important respiratory viruses, namely respiratory syncytial virus (RSV) and influenza A virus (IAV), were evaluated. Data were analyzed using three different machine learning algorithms (random forest (RF), linear support vector machines (linear SVM), and partial least squares-discriminant analysis (PLS-DA)), with volatile metabolites identified from a training set used to predict sample classifications in a validation set. The discriminatory performances of RF, linear SVM, and PLS-DA were comparable for the comparison of IAV-infected versus uninfected cells, with area under the receiver operating characteristic curves (AUROCs) between 0.78 and 0.82, while RF and linear SVM demonstrated superior performance in the classification of RSV-infected versus uninfected cells (AUROCs between 0.80 and 0.84) relative to PLS-DA (0.61). A subset of discriminatory features were assigned putative compound identifications, with an overabundance of hydrocarbons observed in both RSV- and IAV-infected cell cultures relative to uninfected controls. This finding is consistent with increased oxidative stress, a process associated with viral infection of respiratory cells. PMID- 29199640 TI - Effects of humidity, CO2 and O2 on real-time quantitation of breath biomarkers by means of PTR-ToF-MS. AB - Proton transfer reaction time-of-flight mass spectrometry (PTR-ToF-MS) represents an attractive tool for the real-time analysis of VOC profiles in human breath. Quantification of breath VOCs by means of direct MS may be affected by the matrix, as human breath not only contains several hundred VOCs at the ppbV-pptV level, but is water saturated and contains percentage levels of CO2. Investigation of breath biomarkers in clinical studies requires quantitative and comparable results. We therefore systematically assessed the effect of humidity, CO2 and O2 on the results of PTR-MS analysis. We investigated more than 20 VOCs, including aldehydes, ketones, aromatic compounds and hydrocarbons with different sample humidity, CO2 and O2 content. The influence of data processing (e.g. normalization to the H3O+ ion count) was also addressed. An increase of the H3O+ count of about 20% was observed when the humidity in the sample was increased to breath levels. Large differences regarding the measured VOC intensities were found between the dry and humid samples. Data normalization to the H3O+ or water clusters could not fully compensate for the humidity-dependent effects. However, as the determination of most VOCs linearly depends on the humidity over the whole investigated range, factor-based correction seems possible. The effects of CO2 were more pronounced in the dry samples than in the humid samples but only had a minor influence on the results. The same was true for the influence of O2. For the reliable quantification of VOCs in clinical studies and for the standardization of VOC research, well-adapted calibration standards are required for PTR-MS analysis. PMID- 29199641 TI - Controllable nanoscale inverted pyramids for highly efficient quasi omnidirectional crystalline silicon solar cells. AB - Nanoscale inverted pyramid structures (NIPs) have always been regarded as one of the paramount light management schemes to achieve extraordinary performance in various devices, especially in solar cells, due to their outstanding antireflection ability with relative lower surface enhancement ratio. However, current approaches to fabricating NIPs are complicated and not cost-effective for massive cell production in the photovoltaic industry. Here, controllable NIPs are fabricated on crystalline silicon (c-Si) wafers by Ag-catalyzed chemical etching and alkaline modification, which is a preferable all-solution-processed method. Through applying the NIPs to c-Si solar cells and optimizing the cell design, we have successfully achieved highly efficient textured solar cells with NIPs of a champion efficiency of 20.5%. Significantly, these NIPs are further demonstrated to possess a quasi-omnidirectional property over broad sunlight incident angles of approximately 0 degrees -60 degrees . Moreover, NIPs are theoretically revealed to offer light trapping advantages for ultrathin c-Si solar cells. Hence, NIPs formed by a controllable method exhibit great potential to be used in the future photovoltaic industry as surface texture. PMID- 29199642 TI - Signal processing methods for reducing artifacts in microelectrode brain recordings caused by functional electrical stimulation. AB - OBJECTIVE: Functional electrical stimulation (FES) is a promising technology for restoring movement to paralyzed limbs. Intracortical brain-computer interfaces (iBCIs) have enabled intuitive control over virtual and robotic movements, and more recently over upper extremity FES neuroprostheses. However, electrical stimulation of muscles creates artifacts in intracortical microelectrode recordings that could degrade iBCI performance. Here, we investigate methods for reducing the cortically recorded artifacts that result from peripheral electrical stimulation. APPROACH: One participant in the BrainGate2 pilot clinical trial had two intracortical microelectrode arrays placed in the motor cortex, and thirty six stimulating intramuscular electrodes placed in the muscles of the contralateral limb. We characterized intracortically recorded electrical artifacts during both intramuscular and surface stimulation. We compared the performance of three artifact reduction methods: blanking, common average reference (CAR) and linear regression reference (LRR), which creates channel specific reference signals, composed of weighted sums of other channels. MAIN RESULTS: Electrical artifacts resulting from surface stimulation were 175 * larger than baseline neural recordings (which were 110 uV peak-to-peak), while intramuscular stimulation artifacts were only 4 * larger. The artifact waveforms were highly consistent across electrodes within each array. Application of LRR reduced artifact magnitudes to less than 10 uV and largely preserved the original neural feature values used for decoding. Unmitigated stimulation artifacts decreased iBCI decoding performance, but performance was almost completely recovered using LRR, which outperformed CAR and blanking and extracted useful neural information during stimulation artifact periods. SIGNIFICANCE: The LRR method was effective at reducing electrical artifacts resulting from both intramuscular and surface FES, and almost completely restored iBCI decoding performance (>90% recovery for surface stimulation and full recovery for intramuscular stimulation). The results demonstrate that FES-induced artifacts can be easily mitigated in FES + iBCI systems by using LRR for artifact reduction, and suggest that the LRR method may also be useful in other noise reduction applications. PMID- 29199643 TI - Thermometry properties of Er, Yb-Gd2O2S microparticles: dependence on the excitation mode (cw versus pulsed excitation) and excitation wavelength (980 nm versus 1500 nm). AB - Herein, we present a first report on the luminescence thermometry properties of Er, Yb doped Gd2O2S microparticles under near infrared up-conversion excitation at 980 and 1500 nm measured in the 280-800 K interval. The thermometry properties are assessed using both cw and ns pulsed excitation as well as tuning the excitation wavelength across Yb and Er absorption profiles. For low cw (300 mW cm 1) and pulsed ns (400 / 550 mW cm-1) excitation modes, no thermal load is observed. At room-temperature (280 K), the maximum relative sensitivity values are comparable under pulsed excitation at 980 and 1500 nm, around ~0.01 and ~0.008% K-1, respectively. In addition, a relative intense up-conversion emission at 980 nm under excitation at 1500 nm is measured. Our findings evidence attractive up-conversion and thermometry properties Er, Yb doped Gd2O2S under near-infrared excitation and highlight the need to explore further these properties in the nanoparticulate regime. PMID- 29199644 TI - A facile approach for reducing the working voltage of Au/TiO2/Au nanostructured memristors by enhancing the local electric field. AB - Memristor devices have attracted tremendous interest due to different applications ranging from nonvolatile data storage to neuromorphic computing units. Exploring the role of surface roughness of the bottom electrode (BE)/active layer interface provides useful guidelines for the optimization of the memristor switching performance. This study focuses on the effect of surface roughness of the BE electrode on the switching characteristics of Au/TiO2/Au three-layer memristor devices. An optimized wet-etching treatment condition was found to modify the surface roughness of the Au BE where the measurement results indicate that the roughness of the Au BE is affected by both duration time and solution concentrations of the wet-etching process. Then we fabricated arrays of TiO2-based nanostructured memristors sandwiched between two sets of cross-bar Au electrode lines (junction area 900 MUm2). The results revealed a reduction in the working voltages in current-voltage characteristic of the device performance when increasing the surface roughness at the Au(BE)/TiO2 active layer interface. The set voltage of the device (Vset) significantly decreased from 2.26-1.93 V when we increased the interface roughness from 4.2-13.1 nm. The present work provides information for better understanding the switching mechanism of titanium-dioxide based devices, and it can be inferred that enhancing the roughness of the Au BE/TiO2 active layer interface leads to a localized non-uniform electric field distribution that plays a vital role in reducing the energy consumption of the device. PMID- 29199645 TI - Epigenetic Drug Repositioning for Alzheimer's Disease Based on Epigenetic Targets in Human Interactome. AB - BACKGROUND: Epigenetics has emerged as an important field in drug discovery. Alzheimer's disease (AD), the leading neurodegenerative disorder throughout the world, is shown to have an epigenetic basis. Currently, there are very few effective epigenetic drugs available for AD. OBJECTIVE: In this work, for the first time we have proposed 14 AD repositioning epigenetic drugs and identified their targets from extensive human interactome. METHODS: Interacting partners of the AD epigenetic proteins were identified from the extensive human interactome to construct Epigenetic Protein-Protein Interaction Network (EP-PPIN). Epigenetic Drug-Target Network (EP-DTN) was constructed with the drugs associated with the proteins of EP-PPIN. Regulation of non-coding RNAs associated with the target proteins of these drugs was also studied. AD related target proteins, epigenetic targets, enriched pathways, and functional categories of the proposed repositioning drugs were also studied. RESULTS: The proposed 14 AD epigenetic repositioning drugs have overlapping targets and miRs with known AD epigenetic targets and miRs. Furthermore, several shared functional categories and enriched pathways were obtained for these drugs with FDA approved epigenetic drugs and known AD drugs. CONCLUSIONS: The findings of our work might provide insight into future AD epigenetic-therapeutics. PMID- 29199646 TI - Recent Progress in Alzheimer's Disease Research, Part 2: Genetics and Epidemiology. PMID- 29199648 TI - Proteomic investigation of resistance to chemotherapy drugs in osteosarcoma. AB - BACKGROUND: Osteosarcoma, which is also termed osteogenic sarcoma or osteoma sarcomatosum, is the most common form of bone cancer. Typical osteosarcoma can occur at any age, including in infants, children, and the elderly, but more than half of cases occur in individuals who are 10-20 years old. OBJECTIVE: Here, the objective was to search for protein markers to indicate resistance to cisplatin in osteosarcoma and provide a theoretical basis for the early and accurate use of cisplatin to treat osteosarcoma. METHODS: Thirty patients with osteosarcoma were selected for the study. Experimental studies on the chemosensitivity of osteosarcoma using an in vitro kit method were performed, and cisplatin-resistant and cisplatin-sensitive osteosarcoma tissues were obtained. A representative sample was chosen to analyze and identify differentially expressed proteins in cisplatin-resistant tissues. RESULTS: The osteosarcoma-sensitive tissue was analyzed using 2-D electrophoresis and time-of-flight mass spectrometry. Differently expressed proteins were analyzed by western blotting to identify markers. Cisplatin-resistant and cisplatin-sensitive osteosarcoma tissues were obtained. Five significantly differentially expressed proteins were identified, including ALDOA and PGK1. CONCLUSIONS: The results indicate that ALDOA and PGK1 might be appropriate markers that can be used when treating osteosarcoma with cisplatin. PMID- 29199649 TI - Testosterone and its metabolites: differential associations with cardiovascular and cerebrovascular events in men. AB - As men grow older, circulating testosterone declines while the incidence of cardiovascular disease increases. Thus, the role of sex hormones as biomarkers, and possibly contributing factors to clinical manifestations of cardiovascular disease in the increasing demographic of aging men, has attracted considerable interest. This review focuses on observational studies of endogenous androgens, namely circulating testosterone and dihydrotestosterone, which have examined their associations with cardiovascular events such as myocardial infarction and stroke. Studies which have examined the associations of endogenous estrogens, namely circulating estradiol, with these outcomes are also discussed. In large prospective cohort studies of predominantly middle-aged and older men, lower circulating testosterone consistently predicts higher incidence of cardiovascular events. Of note, both lower circulating testosterone and lower dihydrotestosterone are associated with higher incidence of stroke. These associations are less apparent when myocardial infarction is considered as the outcome. Results for estradiol are inconsistent. Lower circulating testosterone has been shown to predict higher cardiovascular disease-related mortality, as has lower circulating dihydrotestosterone. It is possible that the relationship of circulating androgens to cardiovascular events or mortality outcomes may be U shaped rather than linear, with an optimal range defining men at lowest risk. Epidemiological studies are observational in nature and do not prove causality. Associations observed in studies of endogenous androgens need not necessarily translate into similar effects of exogenous androgens. Rigorous randomized controlled trials are needed to clarify the effects of testosterone treatment on cardiovascular risk in men. PMID- 29199650 TI - Tuberculosis in epidermal growth factor receptor mutation in lung adenocarcinoma on treatment with gefitinib/erlotinib. PMID- 29199651 TI - Is pulmonary metastasectomy beneficial in head and neck squamous cell carcinoma? A review of literature. AB - Metastatic head and neck squamous cell carcinoma (HNSCC) has traditionally carried a dismal prognosis; however with advances in care, it has been shown that pulmonary metastasectomy is a viable therapeutic option in selected patients, palliating symptoms and improving survival. With the increasing incidence of human papilloma virus-related HNSCC and better availability of minimal access surgery, there is a need to better understand the role of pulmonary metastasectomy in the treatment of HNSCC. This article summarizes the literature on indications, results, surgical options and approaches, clinical dilemmas, and controversies associated with pulmonary metastasectomy in HNSCC, to identify suitable candidates and optimize outcomes. PMID- 29199652 TI - Comparison of conventional fractionation (five fractions per week) and altered fractionation (six fractions per week) in stage I and II squamous cell carcinoma of oropharynx: An institutional study. AB - BACKGROUND: The radiotherapy (RT) dose and fractionation schedule for head and neck cancers for locoregional control and acceptable organ toxicity are still debatable. Accelerated RT includes administration of six fractions per week with the same dose per fraction. AIM: Comparison of conventional versus accelerated RT in terms of locoregional control, and acute and late radiation toxicity in squamous cell carcinoma oropharynx (stage I and II). SETTINGS AND DESIGN: Prospective, double arm, phase 2, randomized study. MATERIALS AND METHODS: Sixty patients of squamous cell carcinoma oropharynx (stage I and II) were randomized in two arms (accelerated fractionation, arm 1 and conventional fractionation, arm 2). All patients received RT dose of 66 Gray (Gy) in 33 fractions (#). The patients in arm 1 received six fractions per week with 2 Gy/# (Monday-Saturday) and in arm 2, five fractions per week with 2 Gy/# (Monday-Friday). No chemotherapy was administered. During and after the treatment, locoregional control, and acute and late radiation toxicity were assessed. RESULTS: At 1-year follow-up, 76% patients in arm 1 and 64% patients in arm 2 had complete response. The recurrence rate at the end of 1 year in arm 1 was 12% and it was 20% in arm 2.The acute Grade 2 and 3 toxicities were higher in the accelerated arm and no significant difference in late toxicities was found. SPSS version 4.0 was used for statistical analysis. CONCLUSION: Accelerated fractionation provides better locoregional control with higher but acceptable acute and equal late radiation toxicity in squamous cell carcinoma oropharynx. PMID- 29199653 TI - Oral health-related quality of life in patients treated for oral malignancy at Kanchipuram district, India: A cross-sectional study. AB - BACKGROUND: The modern-day onco-surgical therapy is now concerned on the overall Quality of Life after treatment of the patient. There is need to evaluate final outcome following the different combination of treatment modalities available to make better therapeutic treatment decisions. AIM: The aim of this study was to assess Oral health related quality of life (OHRQoL) in patients with oral malignancies who had undergone various treatments. SETTINGS AND DESIGN: A Cross sectional study was conducted among 90 patients between October 2016 to January 2017 in private hospitals, kanchipuram, India. MATERIALS AND METHODS: Participants were grouped based on the treatment they had undergone into Group I Surgery alone, Group II - Surgery and Radiotherapy, Group III- Surgery, chemotherapy and radiotherapy and assessed for OHRQoL using the shorter version of Oral health impact profile -14 (OHIP-14) questionnaire. STATISTICAL ANALYSIS: Descriptive analysis of socio demographic variables and OHIP 14 was performed using Chi-square test and one way ANOVA. RESULTS: Among the 90 participants, 43.3% belonged to upper lower class and 38.3% to lower class. Buccal mucosa (58.9%) was found to be the most frequent site. Among the clinical staging, Stage II (33.33%) oral cancer was more prevalent. No statistically significant differences in the OHIP mean score for Groups, I, II, III. Among the domains functional limitation was significantly different in the three groups. CONCLUSION: Patients with oral malignancies who had been treated surgically alone had better Quality of life when compared to the combined treatment modalities. PMID- 29199654 TI - Impact of induction chemotherapy to concurrent chemoirradiation over radiotherapy alone in advanced oral cavity. AB - BACKGROUND: Oral and oropharyngeal carcinomas representing about 90% of all oral malignancies are the sixth most common cancers worldwide. Basic modalities of cancer treatment are surgery, radiotherapy, and chemotherapy (CT) either alone or in combination. For squamous cell carcinoma (SCC) patients, induction CT followed by radiotherapy and concurrent CT are effective methods for improving response rates. MATERIALS AND METHODS: Fifty patients with advance stage oral cavity cancer with performance status >60% on Karnofsky performance scale and having no prior exposure to CT, radiotherapy, and surgery were included in the study. CT including bleomycin, methotrexate, and cisplatin was given on day 1 and repeated at an interval of 21 days. After the completion of three cycles, two groups (n = 25 each) were formed. One group was treated with radiotherapy alone and other group of patients treated with radiotherapy and concurrent cisplatin infusion. The patient toxicities and response were evaluated. RESULTS: After completion of induction CT, both the groups responded with almost similar result. Nausea, vomiting, mucositis, and skin reactions during radiotherapy were observed in both groups but comparatively higher in Group "B." In Group B, 84% (vs. 60% in Group A) of patients showed complete response (CR) after completion of treatment, and out of 13 patients who responded partially to induction CT, 9 patients showed CR after concurrent chemoradiotherapy. CONCLUSION: This study showed the superiority of induction followed by concurrent chemoradiotherapy over induction plus radiotherapy alone in the treatment of advanced oral cavity neck SCC. PMID- 29199655 TI - Comparison of paclitaxel-cetuximab chemotherapy versus metronomic chemotherapy consisting of methotrexate and celecoxib as palliative chemotherapy in head and neck cancers. AB - BACKGROUND: The present match pair analysis was planned to compare the efficacy of cetuximab-paclitaxel-based chemotherapy versus metronomic therapy. MATERIALS AND METHODS: Sixty patients with metastatic/recurrent head and neck squamous cell cancer treated with weekly paclitaxel (80 mg/m2) and cetuximab were matched with sixty patients treated with oral metronomic chemotherapy consisting of methotrexate and celecoxib. The progression-free survival (PFS) and overall survival (OS) between the cohorts were compared using log-rank test. Cox proportional regression model was used to identify independent factors affecting PFS and OS. RESULTS: The median OS was 191 days (95% confidence interval [CI]: 122.2-259.8 days) in metronomic cohort and 256 days (95% CI 177.0-334.9 days) in cetuximab cohort (hazard ratio: 0.58, 95% CI: 0.35-0.95, P = 0.031). On Cox proportional hazard model, Eastern Cooperative Oncology Group Performance Status (0-1 vs. 2) and therapy (cetuximab versus metronomic) had a statistically significant impact on OS. CONCLUSION: Cetuximab-based chemotherapy leads to a significant improvement in OS in the match pair analysis in comparison to metronomic chemotherapy. PMID- 29199656 TI - Retrospective analysis of palliative metronomic chemotherapy in head and neck cancer. AB - BACKGROUND: Metronomic chemotherapy has shown promising results in selected patients of head and neck cancer in a small randomized study. This retrospective analysis was done to see whether the efficacy of metronomic chemotherapy in an unselected cohort of head and neck cancer patients is similar to that reported in the randomized study and the influence of the site and subsite of head and neck cancer on survival. MATERIALS AND METHODS: This was a retrospective analysis of head and neck cancer patients who received palliative metronomic chemotherapy between January 2013 and February 2015. The data of these patients were collected from our palliative chemotherapy database maintained in medical oncology outpatient department. The overall survival (OS) was calculated in days from the date of start of chemotherapy to the date of death. Patients who had not expired at last follow-up were censored during estimation of OS by Kaplan-Meier method. Factors affecting OS were identified by COX regression analysis. RESULTS: Over the stipulated time period, 340 patients received palliative metronomic chemotherapy. The median age of these patients was 48 years (22-90 years). The sites of tumor origin were oral cavity in 281 patients (82.6%), oropharynx in 33 patients (9.7%), larynx in seven patients (2.1%), hypopharynx in 12 patients (3.5%), and maxilla in seven patients (2.1%). Previous treatment was received by 286 patients (84.1%). The median time to failure was 3.5 months (interquartile range 2.0-6.0 months). The overall median survival was 155 days (95% confidence interval 140.2-169.8 days). Failure within 6 months of previous treatment was the most important factor influencing OS. There was a trend toward lower OS in patients with oral cancers (139 days vs. 210 days). Among the various oral cancer subsites, oral tongue primary had a lower OS. CONCLUSION: Oral metronomic chemotherapy has promising results when used in a selected cohort of patients but has dismal results in patients who failed within 6 months of previous treatment. PMID- 29199657 TI - Sister Mary Joseph's nodule: Two rare cases of inoperable gallbladder cancer. PMID- 29199658 TI - An audit and analysis of different causes of defaults in patients receiving radiation for head and neck cancers: A tertiary regional cancer center experience. AB - CONTEXT: Strict adherence and timely completion of the external beam radiation therapy (EBRT) schedule is an important prognostic factor in the survival of head and neck cancer patients. However, many patients are unable to complete the radiation treatment due to various reasons resulting in a poor outcome. AIMS: This study aims to study the pattern and various possible causes of defaults for possible intervention. SETTINGS AND DESIGN: A retrospective epidemiological analysis. SUBJECTS AND METHODS: Patients receiving EBRT for head and neck cancers with curative intent from January 2015 to December 2015 but did not complete the prescribed treatment were included. Unplanned treatment breaks in the treatment was not taken into consideration. STATISTICAL ANALYSIS USED: SPSS version 21. RESULTS: Out of 458, 92 (20.08%) patients did not complete the EBRT (P = 0.06). Fifty-six out of total 92 patients (60.9%) who defaulted stopped taking treatment within halfway of the treatment (15 fraction) and 12 out of total 92 patients (13%) just at the 22nd/23rd fraction. Defaulter rates in patients from different places are in the range of 12.8% to 33.0% but was statistically not significant (P = 0.224). There was no particular age (P = 0.966), disease site (P = 0.354) preponderance among defaulters. Use of concurrent chemo-radiation in radical or adjuvant settings was also not related to defaults (P = 0.406). CONCLUSIONS: Radiation-induced acute toxicity, socioeconomic status and distance plays minimal role as a cause of patients who stop taking EBRT. There is no particular relation between age, disease site, treatment received before radiotherapy, intent of treatment, and concurrent chemoradiation-induced acute reactions with defaults among patients. Loss of income and work in the poor population during the treatment may be an important possible cause of defaults. PMID- 29199659 TI - Induction chemotherapy in locally advanced T4b oral cavity squamous cell cancers: A regional cancer center experience. AB - OBJECTIVES: The present study aimed to investigate the efficacy, toxicity, and impact of induction chemotherapy (IC) in locally advanced T4b oral cavity squamous cell cancers (OSCCs). MATERIALS AND METHODS: Patients diagnosed with locally advanced T4b OSCC from January 2013 to October 2016 at our center, who received 2-3 cycles of IC and then assessed for resectability, were reviewed retrospectively. Patients' profile, response, and toxicity of IC, resectability status, and overall survival (OS) were evaluated. Statistical analyses were performed by SPSS software version 17. RESULTS: A total of 116 patients received IC, and out of them 90 (77.6%) were males. Median age at diagnosis was 43 years (range 31-62 years). Nearly 103 (88.8%) of our patients received doublet chemotherapy and the rest of the patients received triplet regimen. Majority of the patients had buccal mucosa cancers (71.6%), followed by gingivobuccal complex (21.6%) and oral tongue (6.9%) primaries. After IC, partial response was achieved in 20 (17.3%) patients, stable disease in 68 (58.6%) patients, and disease progression was noted in 28 (24.1%) patients. Post-IC, resectability was achieved in 22 (19%) of 116 patients, but 6 of them did not undergo surgery due to logistic and personal reasons. The median OS of patients who underwent surgery followed by adjuvant local therapy (n = 16) was 19.7 months (95% confidence interval [CI]: 16.0-22.8 months) and for those treated with nonsurgical local therapy (n = 100) was 7.1 months (95% CI: 5.8-8.2 months) (log-rank P = 0.000). CONCLUSIONS: IC had a manageable toxicity profile and achieved resectability in 19% of our patients with T4b OSCC. Patients underwent resection had a significantly better median OS than those who received nonsurgical local treatment. PMID- 29199660 TI - A study of changes in the oral fungal flora of patients on radiotherapy for head and neck malignancies and their correlation with funguria and fungemia. AB - BACKGROUND: Patients of head and neck malignancies often develop oral mucositis and invite various pathogens to colonize over it. OBJECTIVES: The objective of this study is to identify the fungi isolated from patients undergoing radiotherapy (RT) for head and neck cancer, to determine the antifungal susceptibility of these isolates and to determine the time and week of fungal colonization. PATIENTS AND METHODS: Three specimens (throat, urine, and blood) were collected from each of the head and neck cancer patients, who were advised RT. These specimens, which were collected before the start of RT, during RT (2nd and 6th week), and post-RT (8th week) were inoculated into fungal culture media. Candida species were identified by standard methods and antifungal susceptibility of the candidal isolates was done. RESULTS: Candida infection was found in 24/42 patients (57.14%) out of which Candida albicans was isolated in 14.28%, Candida tropicalis (28.57%) and Candida parapsilosis (14.28%). Maximum isolation of yeast was in the 6th week of RT. Fungemia was found in 3/42 patients. All the yeast isolates were sensitive to fluconazole except two. CONCLUSION: Prophylactic antifungal therapy in patients undergoing RT for head and neck malignancy is particularly important to prevent intraoral colonization and infection by Candida. Screening of such patients on RT for fungal infections can prevent fatal mold infections. PMID- 29199661 TI - Related factors of postoperative gallstone formation after distal gastrectomy: A meta-analysis. AB - AIM: The aim of this study was to evaluate the risk factor of gallstone occurrence after distal gastrectomy (DG) for gastric cancer. METHODS: Relevant documents published from 2000 to 2016 were retrieved in PubMed, Web of Knowledge, and Ovid's database, and a metaanalysis was performed with RevMan 5.0 software for odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS: Eight studies met the final inclusion criteria. From the pooled analyses, nonphysiological reconstruction (OR = 1.51; 95% CI = 1.10-2.08; P = 0.01) and vagus nerve resection (OR = 2.79; 95% CI = 1.57-4.96; P = 0.0005) were significantly associated with increased risk of gallstone after DG. CONCLUSION: Our analysis indicated that digestive tract reconstruction and vagus nerve resection were strongly and consistently associated with gallstone formation after DG. PMID- 29199662 TI - Efficacy and safety of first-line systemic chemotherapy with epirubicin, cisplatin plus 5-fluorouracil and docetaxel, cisplatin plus 5-fluorouracil regimens in locally advanced inoperable or metastatic gastric or gastroesophageal junction adenocarcinoma: A prospective phase II study from South India. AB - BACKGROUND: Patients with locally advanced inoperable or metastatic gastric or gastroesophageal junction (GEJ) adenocarcinoma have a poor prognosis. The maximum benefit of systemic chemotherapy is usually achieved in the first-line setting. Even though systemic chemotherapy has been used for long time, in view of unsatisfactory results, no standard regimen has been emerged. Unfortunately, till date, there is no published prospective data from India, comparing the two most commonly used triplet regimens, epirubicin, cisplatin plus 5-fluorouracil (ECF) and docetaxel, cisplatin plus 5-fluorouracil (DCF), in this patient population. MATERIALS AND METHODS: The present study aimed to compare the efficacy and safety of the first-line systemic chemotherapy with ECF and DCF regimens in locally advanced inoperable or metastatic gastric or GEJ adenocarcinoma. The primary endpoint was overall survival (OS). The secondary endpoints were overall response rate, progression-free survival (PFS), and toxicity profile. RESULTS: Between January 2015 and December 2016, 58 patients were assigned and treated with ECF (n = 30) or DCF (n = 28) regimens. The median OS was 9.4 months with ECF and 12.5 months with DCF regimen (log-rank, P = 0.000), while median PFS was 5.8 and 7.5 months, respectively (log-rank, P = 0.002). Patients in the DCF arm had more frequent reductions in chemotherapy doses than those of the ECF arm (28.6% vs. 16.7%; P = 0.54). As compared with the ECF, the DCF regimen was associated with more frequent Grades 3-4 toxicities-neutropenia (16.7% vs. 39.3%, P = 0.17), febrile neutropenia (13.3% vs. 25%, P = 0.52), mucositis (6.7% vs. 17.8%, P = 0.43), and diarrhea (6.7% vs. 14.3%, P = 0.67). CONCLUSIONS: In comparison to ECF, the DCF regimen was associated with a statistically significant 3.1 months longer median OS without any significant increase in Grades 3-4 toxicities. DCF can be considered as one of the reference regimens, in properly selected patients with advanced/metastatic gastric or GEJ adenocarcinoma. PMID- 29199663 TI - Robotic resections in hepatobiliary oncology - initial experience with Xi da Vinci system in India. AB - INTRODUCTION: Minimal invasive surgery has proven its advantages over open surgeries in the perioperative period. Food and Drug Administration approved da Vinci robot in 2000. The latest version, da Vinci Xi system has a mobile tower based robot with several modifications to improve the functionality, versatility, and operative ease. None of the centers have reported exclusively on hepatobiliary oncology using the da Vinci Xi system. We report our initial experience. AIMS AND OBJECTIVES: To study the feasibility, advantages, and discuss the operative technique of da Vinci Xi system in hepatobiliary oncology. MATERIALS AND METHODS: Data were analyzed retrospectively from a prospectively maintained database from June 2015 to October 2016. Twenty-five patients with suspected or proven hepatobiliary malignancies were operated. Total robotic technique using da Vinci Xi system was used. Demographic details and perioperative outcomes were noted. RESULTS: Of the 25 surgeries, 14 patients had a suspected gallbladder malignancy, 11 patients had primary or metastatic liver tumor. Median age was 53 years. The average duration of surgery was 225 min with a median blood loss 150 ml. The median postoperative stay was 4 days. The median nodal yield for radical cholecystectomy was seven. Five patients required conversion. Two of these developed postoperative morbidity. CONCLUSION: Robotic surgery for hepatobiliary oncology is feasible and can be performed safely in experienced hands. Increasing experience in this field may equal or even prove advantageous over conventional or laparoscopic approach in future. A cautious approach with judicious patient selection is the key to establishing robotic surgery as a standard surgical approach. PMID- 29199664 TI - Nivolumab instills hope in a hopeless situation in advanced nonsmall cell lung cancer with poor performance status. PMID- 29199665 TI - Metastasectomy for recurrent or metastatic biliary tract cancers: A single center experience. AB - PURPOSE: To assess efficacy or long-term result of metastasectomy for recurrent or metastatic biliary tract carcinoma (BTC), we conducted a retrospective review of the outcomes of metastasectomy for recurrent or metastatic BTCs, comprising intrahepatic cholangiocellular carcinoma (IHCCC), proximal and distal common bile duct cancer (pCBDC and dCBDC), gallbladder cancer (GBC), and ampulla of Vater cancer (AoVC). PATIENTS AND METHODS: The clinicopathological features and outcomes of BTC patients who underwent surgical resection for the primary and metastatic disease at the Gachon University Gil Medical Centre from 2003 to 2013 were reviewed retrospectively. RESULTS: We found 19 eligible patients. Primary sites were GBC (seven patients, 37%), IHCCC (five patients, 26%), dCBDC (three patients, 16%), pCBDC (two patients, 11%), and AoVC (two patients, 11%). Eight patients (42%) had synchronous metastasis whereas 11 (58%) had metachronous metastasis. The most common metastatic site was liver (nine patients, 47%), lymph node (nine patients, 47%), and peritoneum (three patients, 16%). Nine patients (47%) achieved R0 resection, whereas four (21%) and six (32%) patients had R1 and R2 resection, respectively. With a median follow-up period of 26.7 months, the estimated median overall survival (OS) was 18.2 months (95% confidence interval, 13.6-22.9 months). Lower Eastern Cooperative Oncology Group performance status (P = 0.023), metachronous metastasis (P = 0.04), absence of lymph node metastasis (P = 0.009), lower numbers of metastatic organs (P < 0.001), normal postoperative CA19-9 level (P = 0.034), and time from diagnosis to metastasectomy more than 1 year (P = 0.019) were identified as prognostic factors for a longer OS after metastasectomy. CONCLUSIONS: For recurrent or metastatic BTCs, metastasectomy can be a viable option for selected patients. PMID- 29199666 TI - Metformin use and survival of lung cancer patients: Meta-analysis findings. AB - Previous studies on the association between metformin use and lung cancer survival have yielded mixed results. We aimed to perform a metaanalysis to assess the association with all available studies. Relevant studies were identified by searching PubMed and EMBASE to July 2016. We calculated the summary hazard ratios (HRs) and 95% confidence intervals (CIs) using randomeffects models. Twelve cohort studies involving 124,533 participants were included in this study. The results showed that metformin use was not associated with the overall survival of lung cancer patients (HR = 0.79, 95% CI: 0.62-1.02). In the subgroup analyses by country or subtype of lung cancer, although a beneficial effect of metformin use on overall survival was found in patients with smallcell lung cancer or in lung patients from China, it may be inappropriate draw a final conclusion considering small sample size, low study quality, and the limited number of studies in the subgroups. Further analyses found that metformin use after diagnosis showed a beneficial effect on both over survival (HR = 0.79, 95% CI: 0.72-0.87) and progressionfree survival (PFS; HR = 0.62, 95% CI: 0.39-0.96) of lung cancer patients. In conclusion, metformin use after diagnosis is associated with improved overall survival and PFS of lung cancer patients. Nevertheless, this effect of metformin use is needed for further assessment. PMID- 29199667 TI - Mediastinal staging for non-small cell lung cancer revisited. It is being done under aegis of ICON and Lung cancer consortium asia. AB - Mediastinal staging is a crucial factor in the decision making in patients with non-metastatic non-small cell lung cancer (NSCLC). Mediastinoscopy has historically been the gold standard for this purpose. With the advent of PET-CT, the role of an invasive staging modality like mediastinoscopy has been diminishing. Newer developments in endoscopic staging like EBUS and EUS-FNA have also provided means to get a cytological diagnosis of enlarged lymph nodes. With the meta-analyses showing encouraging results of neoadjuvant chemotherapy in operable lung cancers including the early stage disease, the sanctity of invasive mediastinal staging for the sole purpose for selecting patients for upfront surgery is debatable. This article discusses the various modalities for mediastinal staging in NSCLC. We also present our perspective regarding the need for a balanced approach between the accuracy of mediastinal staging, invasiveness of the staging modalities, and alternate staging methods. With the liberal use of neoadjuvant chemotherapy in operable NSCLC, the role of invasive mediastinal staging procedures is likely to get limited further, giving way to non-invasive staging modalities like PET-CT. PMID- 29199668 TI - Is pneumonectomy a justified procedure in patients with persistent N2 nonsmall cell lung cancer disease following induction therapy. AB - Optimal management and the role of surgery in multimodality treatment for N2 disease nonsmall cell lung cancer (NSCLC) are controversial. In this review, we focus on the possible role of pneumonectomy as a justified procedure in patients with persistent N2 disease following induction therapy. We have conducted an OVID PubMedbased search including manuscripts published in English for relevant studies. The interpretation of these trials highlights the lack of clarity and consistency in our management and leaves areas of controversy. There are no Level 1 data to support either performing or not performing pneumonectomy in this setting. The majority of the literature reviewed stresses the high risk of mortality and morbidity following pneumonectomy as a part of a trimodality approach to Stage IIIA/N2 NSCLC disease. However, selected highvolume institutions do follow this strategy with the level of risk seemingly justifying it for a highly selected group of patients, and this approach to Stage III/N2 NSCLC can be offered safely with acceptable mortality. Patient selection, response rate to induction therapy, and R0 resection are crucial for survival in experienced centers. PMID- 29199669 TI - Fluorodeoxyglucose-avid pulmonary mucinous adenocarcinoma presenting with nonfluorodeoxyglucose-avid cystic brain lesions of unknown etiopathology: Brain magnetic resonance imaging and fluorodeoxyglucose-positron emission tomography computed tomography imaging features and additional value of whole-body positron emission tomography acquisition. PMID- 29199670 TI - Targeted therapy in nonsmall cell lung cancer. AB - Activating mutations in the epidermal growth factor receptor gene and rearrangement of the anaplastic lymphoma kinase gene exemplify the molecular characterization of nonsmall cell lung cancer (NSCLC), particularly adenocarcinoma, and its therapeutic relevance. Several genetic alterations with prognostic and predictive role, including ROS, RET, MET, KRAS, have now been identified in adenocarcinoma and some such as DDR2 and fibroblast growth factor receptor 1 in squamous cell carcinoma. This has heralded the development of agents targeted against these aberrations. Better knowledge of tumor biology and development of targeted agents has ushered an era of personalized treatment strategies in NSCLC, leading to improvements not only in tumor control and duration of life but also in quality of life. PMID- 29199671 TI - Indian consensus statement for treatment of advanced non small cell lung cancer: First line, maintenance, and second line. AB - The management of advanced nonsmall cell lung cancer (NSCLC) patients is becoming complex with the identification of driver mutations and targeted therapies. The expert group of academic medical oncologists used data from published literature, practical experience to arrive at practical consensus recommendations to treat advanced NSCLC for use by the community oncologists. PMID- 29199672 TI - A meta-analysis: Evaluation of safety and efficacy of the epidermal growth factor receptor-tyrosine kinase inhibitor monotherapy versus platinum-based doublets chemotherapy in East Asia. AB - OBJECTIVE: Several clinical trials have shown that advanced nonsmall cell lung cancer (NSCLC) patients can benefit from treatment with epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) monotherapy than receiving platinum based doublets chemotherapy in the first-line treatment of advanced NSCLC; the objective of this study was to evaluate whether patients could be treated with EGFR-TKI for advanced NSCLC in the first-line setting. PATIENTS AND METHODS: A literature search was conducted on the Cochrane Controlled Trials Register Databases, MEDLINE, EMBASE, Web of Science databases, and Chinese Biomedical Literature Database without exclusion of material published in any language. We performed a meta-analysis of five randomized studies that compared EGFR-TKI with platinum-based doublets chemotherapy for the patients of advanced NSCLC in the first-line setting. The primary end-point was the progression-free survival (PFS) of each treatment arm. The secondary end-points were overall survival (OS), objective response rate (ORR), adverse effects, and quality of life (qol). RESULTS: Five randomized controlled trials totaling 2080 patients were included in the review. Meta-analysis results are as follows: There were statistically significant differences in overall PFS (hazard ratio [HR] =0.47; 95% confidence interval [CI]: [0.27, 0.83], P = 0.009) and the PFS of the EGFR-M + subgroup (HR = 0.29; 95% CI: [0.17-0.51], P < 0.0001). Compared with patients receiving the platinum-based doublets chemotherapy group, there were no statistically significant differences between the two groups with regard to overall OS (HR = 0.92; 95% CI: [0.80-1.06], P = 0.25). CONCLUSION: Compared with the platinum based doublets chemotherapy, EGFR-TKI significantly prolonged PFS, increased ORR, improved qol, not significantly increased the nonhematologic toxicity and at the same time decreased the nonhematologic toxicity but not significantly increased the transaminase toxicity for advanced NSCLC patients in East Asia. Although there is convincing evidence to confirm the results mentioned herein, they still need to be confirmed by large-sample trials. PMID- 29199673 TI - The comparison of thoracoscopic-laparoscopic esophagectomy and open esophagectomy: A meta-analysis. AB - OBJECTIVE: The objective of this study was to perform a meta-analysis to evaluate the effects of thoracoscopic-laparoscopic esophagectomy (TLE) and open esophagectomy (OE) in the treatment of esophageal cancer. METHODS: A literature search was performed using PubMed, Embase, and Google Scholar databases for relevant keywords and the medical subject headings. After we had screened further, 13 clinical trials were included in the final meta-analysis. Specific odds ratios (ORs), standardized mean differences (SMDs), mean differences (MDs), and confidence intervals (CIs) were calculated. RESULTS: The outcomes of treatment effects included anastomotic leakage, blood loss, number of lymph nodes harvested, and operating time. Comparing OE for esophageal cancer patients, the pooled OR of anastomotic leakage was 0.89 (95% CI = [0.47, 1.68]), the pooled SMD of blood loss was - 0.56 (95% CI = [-0.77, -0.35]), the pooled MD of lymph nodes harvested was - 0.93 (95% CI = [-2.35, 0.50]), and the pooled SMD of operating time was 0.31 (95% CI = [0.02, 0.59]). CONCLUSION: TLE was found to significantly decrease patients' blood loss. There is no difference of anastomotic leakage and the number of lymph nodes harvested between TLE and OE. PMID- 29199674 TI - Continuous hyperfractionated accelerated radiotherapy using modern radiotherapy techniques for nonsmall cell lung cancer patients unsuitable for chemoradiation. AB - INTRODUCTION: The continuous hyperfractionated and accelerated radiotherapy (CHART) regimen of radiotherapy (RT) for nonsmall cell lung cancer is underused outside the UK. We present the first Indian experience of using CHART for patients, who were not suitable for chemotherapy or concurrent chemo-RT. METHODS: We retrospectively reviewed the data of patients treated using CHART at our institution between January 2014 and December 2015. RESULTS: Thirty-seven patients were treated using CHART. Planning methods and dosimetry parameters are described. Three-dimensional conformal RT was used for treatment planning and delivery in 23 patients and volumetric modulated arc RT was necessary for 14 patients. Patients in our series had a median age of 70 years (interquartile range 65.50-74.00) and 86.5% had Stage III disease. Median follow-up was short at 13.0 months. Actuarial rates of 1-year progression-free survival, 1-year overall survival (OS), and 2-year OS were 31.9%, 59.5%, and 28.5%, respectively. This treatment was well tolerated with manageable and some reversible acute esophageal toxicity (91.9% CONCLUSION: Our results indicate that CHART is feasible, safe, and well tolerated in Indian patients who are clinically found to be not suitable for either sequential or concurrent chemo- RT. PMID- 29199675 TI - Development and validation of a predictive score, for identifying poor eastern cooperative oncology group performance status (performance status 3-4) advanced nonsmall cell lung cancer patients who are likely to benefit from tyrosine kinase inhibitors. AB - BACKGROUND: One of the ten advanced lung cancer patients presents with poor eastern cooperative oncology group performance status (ECOG PS). There are no clear guidelines about management of these patients. The benefit of tyrosine kinase inhibitors (TKI) in this patient population remains questionable. Hence, in this study, we attempted to develop and validate a predictive score which would predict benefit from oral TKI. METHODS: This was a prospective observational study done at Tata Memorial Hospital, India. Patients with nonsmall cell lung cancer with ECOG PS 3-4 were included in this study. All these patients had received oral TKI on compassionate grounds and were followed up till death. The overall survival (OS) was calculated from date of start of TKI to date of death. R software was used for development and validation of the predictive model. RESULTS: The median survival duration of the discovery cohort and validation cohort were 170.5 and 115 days, respectively. The model predicted OS accurately, within +/-2 months in 72.1% and within +/-3 months in 81.7% of patients. CONCLUSION: The current model can predict OS in poor PS patients treated with TKI within a satisfactory clinical range and can be used for decision-making of these patients. PMID- 29199676 TI - Epidermal growth factor receptor positive lung cancer: The nontrial scenario. AB - PURPOSE: The aim of this study was to report the median overall survival (OS) in epidermal growth factor receptor (EGFR) mutation-positive patients who were managed out of a clinical trial. METHODS: Nonsmall cell lung cancer patients harboring activating EGFR mutations who were either ineligible or refused participation in a clinical trial were selected for this analysis. The reason for not participating in trial, staging, treatment, and outcome details were obtained from a prospective lung cancer database. The Kaplan-Meier method was used to estimate OS. Log-rank test and Cox proportion hazard model were used for univariate and multivariate analysis, respectively. RESULTS: We included 225 patients in this analysis. The median age of the cohort was 56 years (range 29-85 years). A compromised Eastern Cooperative Oncology Group performance status (PS) of >2 was the major reason (83 patients, 36.9%) for ineligibility of patients in a clinical trial. The major reason provided by eligible patients for refusal to participate in a clinical trial was long distance of travel and inability to comply with the study-mandated follow-up visits (65 patients, 28.9%). The median OS in patients with PS 0-2 was 18.17 months (95% confidence interval [CI]: 15.6 20.8 months) and it was 12.1 months (95% CI: 9.0-15.2 months) in patients with PS 3-4 (hazard ratio - 0.579 [95% CI: 0.398-0.843] P = 0.004). CONCLUSION: EGFR positive patients who were ineligible for a clinical trial due to poor PS had lower survival; however, patients with good PS treated off-trial had similar OS to that reported in multiple clinical trials. PMID- 29199677 TI - Effect of tyrosine kinase inhibitors on the glucose levels in diabetic and nondiabetic patients. AB - CONTEXT: Tyrosine kinase inhibitors (TKIs) are used in different types of cancers due to their good profile of adverse reactions and their convenience in the oral administration. Some studies describe that certain TKIs are associated with changes in the glycemic profile of the patients. AIMS: This study aims to determine if treatment with ITK affects to serum glucose levels in clinical practice. SETTINGS AND DESIGN: A retrospective study was carried out in 136 episodes (112 patients treated with sorafenib, sunitinib, imatinib, dasatinib, or nilotinib). SUBJECTS AND METHODS: The serum glucose levels were analyzed before treatment and after months 1, 2, 3, 6, 9, and 12 of treatment. STATISTICAL ANALYSIS USED: Statistical analysis was completed with SPSS version 20 for Windows. RESULTS: There were significant differences in the serum glucose levels before treatment between diabetic and nondiabetic patients, but not between the average blood glucose readings before treatment and the average of the subsequent readings, once their treatment had begun. CONCLUSIONS: The results of this study do not reproduce the results of the literature since changes in the serum glucose levels have not been found in this sample of patients. PMID- 29199678 TI - Ceritinib in anaplastic lymphoma kinase-positive nonsmall cell lung cancer among patients who were previously exposed to crizotinib: Experience from the Indian subcontinent. AB - Ceritinib is a novel ALK inhibitor approved for advanced stage NSCLC with ALK gene rearrangement, progressed and/or intolerant to crizotinib. 13 patients were included in our study who received ceritinib. Majority of them were women and never smokers with a median age of 47 yrs. Nearly half of them had a compromised performance status and received ceritinib in third line and beyond. Ceritinib showed nearly 50% response rates. With a median follow up of 9 months for the entire cohort, median PFS and OS were not reached. However, the mean values for PFS and OS were 10.9 and 14.8 months,with an estimated 1 year PFS and OS being 56% and 78% respectively.1/3 of the patients had gastrointestinal and liver toxicities. Metabolic abnormalities were seen in 1/4 th of them. ceritinib was permanently discontinued in one patient due to pneumonitis. In conclusion, ceritinib has a favorable efficacy and side effect profile in our patient population., similar to that reported in large clinical trials. It has shown promising efficacy even in patients with compromised performance status; presence of brain metastases and heavily pre-treated disease. PMID- 29199680 TI - Actual gains in dosimetry and treatment delivery efficiency from volumetric modulated arc radiotherapy for inoperable, locally advanced lung cancer over five field forward-planned intensity-modulated radiotherapy. AB - AIMS: Volumetric modulated arc radiotherapy (VMAT) is used for inoperable, locally advanced nonsmall cell lung cancer, where three-dimensional conformal radiotherapy (3D-CRT) cannot yield an acceptable plan. METHODS: The planning and treatment data were prospectively collected on the first 18 patients treated using VMAT plans. We analyzed the actual dosimetric gain and impact on treatment, compared with complex multisegment 3D-CRT (five-field forward-planned intensity modulated radiotherapy [IMRT]) that were generated for treatment. Proportion of planning target volume (PTV) receiving 95% dose (PTV-V95%) conformity index (CI), conformity number (CN), dose homogeneity index (DHI), monitor units (MUs), and treatment time were also analyzed. RESULTS: The PTV coverage (PTV-V95%) was improved from a median of 91.41% for 5-F forward-IMRT to 98.25% for VMAT (P < 0.001). The CI improved with a mean of 1.12 for VMAT and 1.31 for 5-F forward IMRT (P < 0.001). The mean DHI improved from 1.15 for forward-IMRT to 1.08 for VMAT (P < 0.001). The mean CN improved from 0.62 for forward-IMRT to 0.87 for VMAT (P < 0.001). No significant increase in the low-dose bath (V5, V10 and mean lung dose) to the lung was seen. Significantly higher number of MUs (P < 0.001) and shorter treatment delivery times (P = 0.03) were seen with VMAT. CONCLUSION: VMAT resulted in improvement in target volume coverage, demonstrated by PTV-V95%, CI, CN, and DHI, without any increase in the low-dose bath to the lung. For conventional fractionation, VMAT requires more MUs (P < 0.001) but has a shorter treatment delivery time (P = 0.03) per fraction. PMID- 29199679 TI - A comparative analysis of immunohistochemistry and fluorescent in situ hybridization assay to detect anaplastic lymphoma kinase status in lung adenocarcinoma cases: A search for a testing algorithm. AB - INTRODUCTION: Testing for echinoderm microtubule-associated protein-like 4 (EML4) anaplastic lymphoma kinase (ALK) translocation by fluorescence in situ hybridization (FISH) is well established whereas the Food and Drug Administration (FDA) ALK immunohistochemical (IHC) test is relatively new. AIMS AND OBJECTIVE: The aim of this study is to compare FDA-approved ALK IHC test (D5F3 clone) with the standard ALK FISH test. MATERIALS AND METHODS: A validation and a test arm with 100 and 200 cases of Formalin-Fixed, Paraffin-embedded blocks of lung adenocarcinoma, respectively, comprised the material. All cases had ALK IHC test on automated Ventana Benchmark XT IHC slide stainer using anti-ALK D5F3 rabbit monoclonal primary antibody; when positive tumor cells (any percentage) showed strong granular cytoplasmic staining. For the FISH test, Vysis ALK Dual Color Break Apart Rearrangement Probe (Abbott Molecular Inc.,) was used to detect ALK gene 2p23 rearrangements; when positive the red and green signals were split two signal diameter apart and/or isolated 3'red signal were detected in more than 15% tumor cells. The ALK FISH results were available in all 100 validation cases and 64-test arm cases which formed the basis of this analysis. RESULTS: The ALK IHC test was positive in 16% cases; four discordant cases were ALK IHC positive but ALK FISH negative, but no case was ALK IHC negative and ALK FISH positive. There was 100% sensitivity, 90.5% specificity, and 93.75% accuracy. CONCLUSION: A negative ALK IHC result obviates the need for a FISH test barring those with a strong clinical profile, and a positive ALK IHC result is sufficient basis for the initiation of treatment. PMID- 29199681 TI - Comparison study of quality of life in advanced lung cancer patients on tyrosine kinase inhibitor and platinum doublet chemotherapy. AB - INTRODUCTION: Lung cancer is most common cause of cancer death in the world. Most of the patient are diagnosed in the late stages and receive only palliative treatment. The main objective of the palliative chemotherapy is to improve survival as well as the quality of life (QOL). QOL is the most neglected dimension of cancer care in developing countries like India. Palliative chemotherapeutic agent which has minimum toxicity and prolongs the survival of metastatic cancer patients is the need of the day. MATERIALS AND METHODS: In this study, 43 metastatic adenocarcinoma of lung patients of South Indian origin were enrolled. Twenty patients out of this 43 were epidermal growth factor receptor (EGFR) mutation positive and were started on tyrosine kinase inhibitor (TKI). Rest 23 patients were EGFR mutation negative and were started on various platinum based doublet chemotherapy. QOL was measured using Cancer Institute QOL Questionnaire version 2 at the beginning of therapy and at the end of 3 months. RESULTS: Our study showed that metastatic lung cancer patients had average QOL at presentation. The QOL in patients on TKI improved compared to those on platinum doublet chemotherapy during the second assessment, but this improvement was statistically not significant. CONCLUSION: In this study, the metastatic lung cancer patients had an average QOL during initial presentation. Patients on TKI had a trend toward better QOL after 3 months of treatment compared to platinum doublet chemotherapy. PMID- 29199682 TI - Lung cancer: Presentation and pattern of care in a cancer center in South India. AB - BACKGROUND: In India lung cancer is the most commonly diagnosed malignancy in males and an increasing trend in the incidence is reported from the National Cancer Registry programme. AIMS: The aim of this study is to find out the recent trends in presentation and management of lung cancer at Regional Cancer Centre, Trivandrum. METHODS: Published reports of hospital based cancer registries (HBCR) and population based cancer registries (PBCR) of Trivandrum were compared with reported statistics from other parts of India and global data. RESULTS: Lung is the leading site of cancer in males (15%) getting treatment at Regional Cancer Centre , Trivandrum in 2013 as per the HBCR. There is an increase in the age adjusted incidence rate of lung cancer among males in the Trivandrum PBCR from 14.6 to 18.5 during 2012 -2014. Among the patients who were treated at the Center majority (55.2%) presented with distant metastases with adenocarcinoma as the most common histological type (28.5%) and only 15.7% had undergone treatment with curative intent. CONCLUSIONS: Lung cancer is the major cancer affecting males in India with a high incidence in Trivandrum and a very low percentage of patients receiving curative treatment which could be due to the high prevalence of tuberculosis and scarce availability of facilities and trained manpower for thoracic oncology. PMID- 29199683 TI - Gemcitabine and carboplatin in metastatic nonsmall cell lung cancer: Experience from a tertiary cancer center in South India. AB - BACKGROUND: Gemcitabine and carboplatin combination is widely used as one of the first-line chemotherapeutic regimens in patients with metastatic nonsmall cell lung cancer patients. METHODOLOGY: A total of 112 patients with metastatic disease were recruited. They were on standard 21-day gemcitabine 1.2 g/m2 and carboplatin AUC 5 dosing schedule. Each patient received at least four cycles and a maximum of 6 cycles of treatment. The patients were followed up, and the demographic, efficacy and toxicity profiles were analyzed. RESULT: The mean age was 53.81+/-9.85 with 71 male and 41 female patients. Response assessment was done in 82 patients, and the objective response rate was found to be 47.6% with 39 partial responders, 20 patients with stable disease and 23 patients with progressive disease. The median overall survival was 12 months (95% CI 9.89 14.11). We found anemia (62.5%) to be more prominent than the other toxicities followed by thrombocytopenia and vomiting (31.3%). The nonhematological toxicities were minimal and manageable. CONCLUSION: Treatment with gemcitabine and carboplatin is efficacious with manageable toxicity profile in the real world non-clinical trial setting. PMID- 29199684 TI - The increasing challenge of never smokers with adenocarcinoma lung: Need to look beyond tobacco exposure. AB - BACKGROUND: Lung cancer continues to remain as one of the leading causes of morbidity and mortality worldwide, despite the decreasing trends in smoking prevalence worldwide. An earlier study from the authors' institute reported the increasing trends of "Nonsmoking associated lung cancers." MATERIALS AND METHODS: All consecutive histologically confirmed patients with lung cancer who presented to the outpatient department over a year (November 2014-October 2015) were included in this current prospective study. RESULTS: Seven hundred and thirteen patients presented with clinicoradiologically suspicious findings of lung cancer in the said period. A pathological confirmation of lung cancer could be ascertained in 495 patients, and this cohort was further analyzed. The mean age of presentation was 57.76 years; the male to female ratio was approximately 2.5:1. Interestingly, 55.35% of the patients were nonsmokers. Adenocarcinoma (63%) was the predominant histology. Never smokers, both among men (P = 0.02) and women (P = 0.001), presented more frequently with adenocarcinoma histology. Further, 84.9% (45/53) of rural and 76.1% (19/25) of urban women who were never smokers reported exposure to indoor air pollution (secondhand smoke/fuel used for cooking purposes) which was significantly associated with adenocarcinoma histology. CONCLUSION: Our study confirmed our initial observation of the changing epidemiology of lung cancer in the Indian subcontinent, paralleling the global trends of rise in adenocarcinoma. Lung cancer in never smokers outnumbering that among smokers was another interesting observation. The take home message for both the clinicians as well as the policymakers is to study factors beyond tobacco exposure to understand the direction of the current lung cancer epidemic. PMID- 29199685 TI - Role of crizotinib in c-mesenchymal-epidermal transition-positive nonsmall cell lung cancer patients. AB - The increasing cases of NSCLC and improved understanding of its molecular biology has lead to identification of its varied driver mutations. cMET amplification has an important role as resistance mechanism for EGFR TKIs. Crizotinib is a drug which shows its anti-tumoral effect in cMET positive cases. Here we present a case series of three such patients who achieved were cMET amplified and showed partial response on Crizotinib. PMID- 29199686 TI - First-line therapy outcomes in patients with advanced stage nonsmall cell lung cancer treated at nongovernment tertiary care centrer in India: Experience from a real world practice. AB - INTRODUCTION: Reports on first line or subsequent treatment and their outcomes for patients with advanced nonsmall cell lung cancer (NSCLC) in India are scarce. The present study is an attempt to understand real world practice scenario of first-line therapy and outcome in advanced stage NSCLC patients. METHODS: Observational study was conducted at a nongovernment tertiary cancer care center. Totally 83 patients with newly diagnosed advanced NSCLC who were evaluated for further treatment from 2008 onward were included in the study. RESULTS: Best supportive care was the only treatment received in 11/83 patients. Sixty-three patients received platinum-based doublet chemotherapy and nine received epidermal growth factor receptor tyrosine kinase inhibitor (TKI) as first-line therapy. Pemetrexed and platinum was the most common first-line chemotherapy (56%) regimen used. First-line chemotherapy had to be discontinued in these eight patients due to Grade III/IV toxicity. Disease control rate with the first-line chemotherapy was 70% (partial response 38%, stable disease 32%). Median overall survival (OS) was 17 months with OS at 1 and 2 years was 52% and 29.5%, respectively. CONCLUSION: First-line platinum-based chemotherapy is feasible and does achieve disease control in the majority of patients with advanced NSCLC. Strategies of selection of therapy based on histology and the presence of driver mutations, use of small molecule TKI, maintenance therapy and multiple lines of therapies are being increasingly implemented in clinical practice and thus improving survival of Indian patients of NSCLC. PMID- 29199687 TI - Practical solutions to epidermal growth factor receptor tyrosine kinase inhibitor dose modifications in resource-constrained settings: Thinking outside the (packaging) box. PMID- 29199688 TI - Study of gefitinib maintenance in unselected patients with metastatic primary lung adenocarcinoma: A descriptive study. AB - BACKGROUND: Maintenance treatment of patients with advanced nonsmall cell lung cancer (NSCLC) without disease progression after first-line chemotherapy is a subject of ongoing research. The aim of this study was to investigate the efficacy, safety, and tolerability of the epidermal growth factor receptor (EGFR) tyrosine-kinase inhibitor, i.e., gefitinib in the maintenance setting irrespective of EGFR status. METHODS: Patients aged 18 years or older of Indian origin, who had a life expectancy of >12 weeks with histologically or cytologically confirmed Stage IV NSCLC, the WHO performance status of 0-2, and who had completed four to six cycles of first-line platinum-based doublet chemotherapy without disease progression or unacceptable toxic effects were included in the study. The primary endpoint of the study was progression-free survival in the intention-to-treat population. RESULTS: Twenty-five patients with a median age of 55 years (40-68) were included in the study. The median progression-free survival (PFS) for the entire group was 8 months (95% confidence interval [CI] =1.45-14.54) had not reached for EGFR-positive patient, but in the EGFR negative cohort, the PFS was 4.98 months (hazard ratio = 0.092, 95% CI = 3.4 6.5, P = 0.01). The median overall survival (OS) of the study group was 15 months (95% CI = 3.7-26.4), all patients with EGFR positive were alive (100% survival). The median OS for EGFR negative group was about 6.3 months. The major toxicity observed was rash/acne in 15 patients, pruritus in 7 patients, and one patient had Grade 4 pneumonitis. CONCLUSION: Gefitinib maintenance is safe, well tolerated therapy, produces significant PFS and OS benefit in EGFR mutation positive patient. It is definitely not a choice for EGFR negative group. In EGFR unknown group, the role of maintenance still needs to be explored. PMID- 29199689 TI - Clinical profile of nonsmall cell lung carcinoma patients treated in a single unit at a tertiary cancer care center. AB - BACKGROUND: Recent advances and understanding in the field of lung cancer and advent of newer treatments have shown a significant improvement in survival in the patients. The present study was conducted to analyze the clinical profile of nonsmall cell lung cancer (NSCLC) patients treated in a single unit at a tertiary cancer care center. MATERIALS AND METHODS: In this retrospective analysis, 322 consecutive NSCLC patients from the year 2011 to 2012 treated in a single unit were included in the study. Patients with proven NSCLC were included in the study. The details of the patients included the demographic profile, pathological diagnosis as well as imaging data, tumor profile, details of treatment, and follow-up information. RESULTS: The majority of the patients (95.6%) were in the age group >40 years. A large group of the patients (57.1%) were present/reformed smokers. The major histological type was adenocarcinoma (60.9%), of which 22.8% patients were found to be epidermal growth factor receptor positive. Anaplastic lymphoma kinase rearrangement positivity rate was 4.8%. Furthermore, 68% patients had Stage 4 disease. Upfront palliative chemotherapy (CT) was offered in 61.8% patients and pemetrexed with platinum compounds was the main CT regimen (46.6%). Partial response was achieved in 45.7% patients, whereas stable disease was observed in 10.9% cases. Median progression-free survival was 5 months and overall survival was 55% at 36 months. CONCLUSION: NSCLC forms the largest subgroup of lung cancer with the patients presenting with advanced stages of disease. This area needs to be explored for the early detection and subsequently the radical treatment of the patients. Personalized approach may be considered for the management of lung cancer by identifying new predictive and prognostic biomarkers of this disease. PMID- 29199690 TI - Clinical profile and outcomes of patients with Stage IV adenocarcinoma of lung: A tertiary cancer center experience. AB - BACKGROUND: There is limited Indian data on clinical profile and treatment outcomes for patients with Stage IV adenocarcinoma of lung. AIM: We aimed to prospectively study the clinical profile and treatment outcomes for patients with Stage IV adenocarcinoma of lung at a tertiary cancer center. MATERIALS AND METHODS: One hundred and ninetyfour patients with Stage IV adenocarcinoma of lung were prospectively analyzed for demographic and molecular profile (epidermal growth factor receptor [EGFR] and echinodermal microtubuleassociated proteinlike 4anaplastic lymphoma kinase [EML4ALK] mutations). Patients with EGFR and EML4ALK mutations were treated with tyrosine kinase inhibitors. Patients without these mutations were treated with standard chemotherapy regimens. Maintenance chemotherapy was offered to patients as per standard guidelines. Clinical outcomes measured were response rate (RR), progressionfree survival (PFS), and overall survival (OS). RESULTS: Median age of patients was 56 years (range, 26 82) with a male:female ratio of 2.3:1. EGFR and ALK mutation testing was feasible in 169 (87.1%) and 164 (84.5%), respectively, and detected in 37.9% and 5.5% patients, respectively. Overall RR, PFS and OS of whole cohort were 44.3%, 6.9, and 15.5 months, respectively. PFS and OS of mutated group (EGFR, EML4ALK) were longer than nonmutated group (10.5 vs. 5.4 months, P < 0.0001 and 21.5 vs. 11 months, P = 0.0001, respectively). PFS and OS of patients who received pemetrexed maintenance were longer than those who did not receive maintenance (8.5 vs. 6.5 months, P = 0.1613 and 18.5 vs. 12.5 months, P = 0.0219, respectively). CONCLUSIONS: Mutation testing at diagnosis is feasible in the vast majority of patients with Stage IV adenocarcinoma of the lung. Patients with EGFR or EML4ALK mutation and those who received pemetrexed maintenance had better clinical outcomes. PMID- 29199691 TI - New insights into anaplastic lymphoma kinase-positive nonsmall cell lung cancer. AB - BACKGROUND: A novel fusion gene of echinoderm microtubule-associated protein-like 4 (EML4) and anaplastic lymphoma kinase (ALK) has been identified in a subset of non-small-cell lung cancers (NSCLCs). Patients with the ALK-EML4 fusion gene demonstrate unique clinicopathological and physiological characteristics. Here we present an analysis of clinicopathological profile of patients of metastatic adenocarcinoma harboring the ALK-EML4 fusion gene and their response to targeted therapy in the form of crizotinib. METHODS: A retrospective analysis of advanced ALK positive NSCLC, who presented at this tertiary care hospital of armed forces from September 2014 to December 2016 was conducted. The primary goal was to evaluate demographic and clinicopathological profile of ALK positive advanced NSCLC. Detection of ALK fusion was done by IHC on formalin fixed paraffin embedded cell blocks. Out of 20 ALK positive patients, ten patients received upfront cytotoxic chemotherapy, and rest received crizotinib. Patients progressing on cytotoxic chemotherapy received crizotinib as subsequent therapy. RESULTS: Out of 270 patients of NSCLC, fifteen(7.4%) tested positive for ALK-EML4 fusion. Rate of positivity was higher in females(13.7%) than in males (5%). The correlation of the ALK-EML4 fusion gene and clinicopathological characteristics of NSCLC patients demonstrated a significant difference in smoking status, histological types, stage, & metastatic pattern. Median PFS with first line cytotoxic chemotherapy was 5.9 months. Median PFS with upfront crizotinib was not reached, but was significantly superior than cytotoxic chemotherapy. CONCLUSION: Our analysis indicated that ALK-EML4 positive NSCLC comprised a unique subgroup of adenocarcinomas with distinct clinicopathological characteristics. Incidence of ALK positivity was found to be higher in females and never smokers. These patients have distinct pathological and radiological characteristics. Crizotinib, whether used upfront or as subsequent therapy was found to be superior in PFS (not yet reached at the time of writing this article), and maintaining quality of life as compared to cytotoxic chemotherapy. PMID- 29199692 TI - Anaplastic lymphoma kinase immunohistochemistry in lung adenocarcinomas: Evaluation of performance of standard manual method using D5F3 antibody. AB - OBJECTIVE: Immunohistochemistry (IHC) with anaplastic lymphoma kinase (ALK) antibodies is considered as an economical screening method in lung adenocarcinomas. Automated Ventana D5F3-IHC is approved by US Food and Drug Administration for targeted therapy; however, the automated IHC apparatus are not widely used in most laboratories. We evaluated the performance of ALK IHC using the manual semiquantitative method to assess the concordance with Ventana ALK IHC assay. MATERIALS AND METHODS: We tested 156 cases of primary lung adenocarcinomas for ALK protein expression by D5F3-IHC. The intensity of cytoplasmic staining was classified as 0 or 1+/2+/3+ (weak/medium/strong). Binary score of positive and negative was used for Ventana assay. A comparison analysis and clinicopathological features were recorded. RESULTS: ALK IHC was positive in 25 (16.02%) cases, of which 18 were men and mostly nonsmokers. The mean age for all patients was 55 years, and for ALK IHC-positive cases was 48 years. Nine of 25 (36%) ALK IHC-positive cases showed signet ring cell and mucinous morphology. On comparison, all, but one, cases positive by manual method showed positive results by automated assay. IHC negative cases by manual method were negative by Ventana assay. CONCLUSION: Manual IHC is equally effective in the detection of ALK rearranged cases as automated methods. It can be easily integrated as a screening method into routine practice thus reducing the cost of automated systems. However, equivocal cases should be tested by approved methods. PMID- 29199693 TI - Atypical lung carcinoid: An unusual presentation. PMID- 29199694 TI - Retrospective analysis of icotinib neoadjuvant therapy of 63 lung cancer patients. AB - OBJECTIVE: This study aims to explore the feasibility of icotinib neoadjuvant therapy for nonsmall cell lung cancer (NSCLC). MATERIALS AND METHODS: This was a retrospective analysis of the clinical data for 63 NSCLC patients (61 cases of adenocarcinoma and two cases of squamous cell carcinoma) receiving surgical resection of lung lesions after oral intake of icotinib from December 2011 to November 2013 in the PLA General Hospital. Preoperative oral intake of the patients was icotinib 125 mg tid, drug side effects were evaluated according to the American National Cancer Institute Common Toxicity Criteria Version 4.0; computed tomography scan was done on the day taking medicine and 2 weeks later to determine tumor changes. After oral intake of Icotinib for 2 to 22 weeks (5 cases for 2 weeks,13 cases for 3 to 22 weeks), all patients receive surgical resection of lung cancer lesions, and testing of removed tumor to evaluate the epidermal growth factor receptor (EGFR) gene mutation status was performed by fluorescence polymerase chain reaction. The patients with sensitive EGFR mutations receive Icotinib as postoperative adjuvant therapy. RESULTS: Side effects of medication within 2 weeks included rash (44.4%, 28/63), dry skin (34.9%, 22/63), diarrhea (14.3%, 9/63), and oral ulcer (1.6%, 1/63); there were no icotinib-associated thoracic surgery complications during the perioperational period. 71.4% patients (45/63) achieve an average reduction of 23.5% +/-10.7%(10%-53.5%) after 2 weeks medication of Icotinib(regressive tumor[RT]) .28.6% patients(18/63) achieve stable tumor(ST),enlargement of 8.7% to reduction of 8.7% of the maximum diameter of lung cancer after 2 weeks medication of Icotinib. Of the RT group, 68.9% (31/45) of the tumors were detected with EGFR-sensitive mutation (exon 19 or 21 mutation), 24.4% (11/45) with wild-type EGFR, and three cases of exon 20 mutation. Of the ST group, 77.8% (14/18) were detected with wild-type EGFR, three cases of exon 20 mutation, and one case of exon 19 deletion mutation (tumor reduction by 7.9%). 45 cases in RT group and 1 case with EGFR 19 exon metation in ST group receive Icotinib as adjuvant therapy. Among 45 cases in RT group and 18 cases in ST group, there was no difference in gender, age, smoking history, tumor diameter, tumor differentiation degree, and incidence of side effects (P = 0.076). There was significant difference (P < 0.0001) in terms of symptom remission rate after medication and EGFR gene-sensitive mutation rate in RT and ST groups. CONCLUSION: Icotinib neoadjuvant therapy for NSCLC is safe and feasible, and the reactivity of lung cancer patients to icotinib can be determined within 2 weeks of medication. People sensitive to preoperative selection of drugs can more accurately determine the sensitivity of tumors to drugs, thus providing evidence for postoperative adjuvant therapy. PMID- 29199695 TI - The efficacy and safety of preoperative chemotherapy for patients with nonsmall cell lung cancer: A meta-analysis. AB - BACKGROUND: The efficacy of surgery alone for patients with nonsmall cell lung cancer (NSCLC) is still unsatisfactory. Preoperative chemotherapy (PCT) is proven effective induction therapies followed by surgery; however, few their superiority remains uncertain. We performed a systemic review and meta-analysis to evaluate the safety and efficacy of the PCT for NSCLC patients. MATERIALS AND METHODS: A literature search was performed in the PubMed, China National Knowledge Infrastructure and Cochrane databases. NSCLC patients treated with PCT plus surgery (PCT-S) or surgery (S) alone between 2006 and 2016 were analyzed. RESULTS: A total of eleven studies, involving a total of 2999 patients, were finally enrolled in this meta-analysis. Meta-analysis shows that PCT-S might have lower recurrence rate than S (odds ratio [OR] = 0.75, 95% confidence interval [CI] [0.60, 0.94], P = 0.01). However, no differences were found between two groups in overall survival rate (OR = 1.26, 95% CI [0.92, 1.72], P = 0.15) and (OR = 1.12, 95% CI [0.93, 1.33], P = 0.23), 3-year disease-free survival rate (OR = 1.22, 95% CI [0.73, 2.04], P = 0.44) and intraoperative and postoperative complication rates (OR = 1.24, 95% CI [0.89,1.74], P = 0.20). CONCLUSIONS: Two treatments have similar safety and efficacy. However, PCT can reduce the rate of local and distant recurrence, which is an independent risk factor for NSCLC prognosis and may improve the prognosis of NSCLC. PMID- 29199696 TI - Dual mutations and complex mutations in metastatic nonsmall cell lung cancer: A single-institution experience from South India. AB - Wide use and incorporation of newer diagnostic tools in the management of metastatic nonsmall cell lung cancer (NSCLC) has helped in achieving the goal of personalized treatment of this disease. With the wide use of polymerase chain reaction and fluorescence in situ hybridization increasing number of patients are being diagnosed with dual and complex mutations posing a new challenge in the management of patient with metastatic NSCLC. In this article, we would like to bring forth six such cases and the varied responses to the current available treatment in patients with complex and dual mutations. The appropriate management in these groups of patients is yet to be standardized. PMID- 29199697 TI - Anaplastic lymphoma kinase status in lung cancers: An immunohistochemistry and fluorescence in situ hybridization study from a tertiary cancer center in India. AB - BACKGROUND AND OBJECTIVES: Fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) have shown good concordance for the detection of echinoderm microtubule-associated protein-like 4 and anaplastic lymphoma kinase (ALK) rearrangement. Since studies reporting FISH/IHC concordance, clinicopathological features, and clinical outcomes of ALK-positive patients from India are lacking, this study was undertaken. MATERIALS AND METHODS: This is a retrospective, observational study of patients with adenocarcinoma of the lung on whom ALK test was performed between March 2013 and December 2015. ALK status was assessed in 341 patients by FISH using Vysis ALK Dual Color Break Apart Rearrangement Probe and IHC using ALK D5F3 clone. Clinicopathological features were noted. Patients were managed as per the standard guidelines. Clinical outcomes - response rate (RR) and progression-free survival (PFS) - were measured. RESULTS: ALK rearrangement was positive in 37 patients (10.9%). ALK positivity was observed more commonly in younger patients with no predilection for any gender or any specific histological subtype. ALK by IHC was highly sensitive (100%), compared to FISH with concordance rate of 94.4%. Thirty one of thirty seven (31 of 37) patients received therapy of which 3 patients received palliative chemotherapy and 28 patients received tyrosine kinase inhibitors (crizotinib/ceritinib). Overall RR observed was 77.4%, and median PFS had not been reached at a median follow-up of 12.5 months. INTERPRETATION AND CONCLUSIONS: We report higher frequency of ALK positivity (10.9%) in patients with adenocarcinoma of the lung. ALK by IHC is more sensitive than FISH for ALK detection with high concordance. These patients had good clinical outcome with TKIs targeting ALK fusion protein. PMID- 29199698 TI - Role of pneumonectomy for lung cancer in current scenario: An Indian perspective. AB - BACKGROUND: Surgical treatment for lung cancer has evolved from pneumonectomy to lobectomy/sleeve resection around the world. Although condemned for poor outcomes, pneumonectomy may still be required in a select group of patients in developing countries. With the better patient selection, optimization of medical comorbidities, better perioperative care; pneumonectomy may show better results. Thus, there is a need to reconsider the role of pneumonectomy in patients with locally advanced lung cancer in the current scenario. PATIENTS AND METHODS: The aim of this study was to analyze the demographic and clinicopathologic profile of lung cancer patients and the role of pneumonectomy at a tertiary cancer center in India. The records of patients, who underwent surgery for lung cancer at our institute from January 2011 to April 2014, were analyzed retrospectively, and various parameters in pneumonectomy were compared to lobectomy patients. RESULTS: Out of 48 patients undergoing major lung resections, nearly 80% patients were symptomatic at presentation and were mostly in advanced stages, thus requiring neoadjuvant chemotherapy in 45.8% cases and pneumonectomy in 41.6% patients. There was no difference in morbidity and mortality in pneumonectomy (25%, 5%) versus lobectomy (21.2%, 3.5%). Disease-free survival at 1, 2, and 3 years after pneumonectomy (71.8%, 51.4%, and 42.8%) was comparable to lobectomy (73.3%, 66.1%, and 55.6%). After neoadjuvant therapy, survival was not affected by the type of surgery. CONCLUSIONS: In the Indian scenario, as the majority of lung cancer patients present at an advanced stage, pneumonectomy still plays a major role, and the acceptable postoperative outcome can be achieved with aggressive perioperative management. PMID- 29199699 TI - A prospective study of telephonic contact and subsequent physical follow-up of radically treated lung cancer patients. AB - BACKGROUND: We tested the hypothesis that telephonic follow-up (FU) may offer a convenient and equivalent alternative to physical FU of radically treated lung cancer patients. DESIGN: Prospective study carried out at a tertiary referral cancer care institute, Mumbai. MATERIALS AND METHODS: Two hundred consecutive lung cancer patients treated with curative intent were followed up regularly with telephonic interviews paired with their routine physical FU visits. Patient satisfaction with the telephonic call and the physical visit, the anxiety level of the patient after meeting the physician and the economic burden of the visit to the patient were noted in a descriptive manner. Kappa statistics was used to assess concurrence between the telephonic and physical impression of disease status. RESULTS: With a median FU duration of 21.5 months, the median satisfaction scores for telephonic and physical FU were 8 and 9, respectively. The prevalence and bias adjusted kappa (PABAK) score of the entire cohort of patients was 0.64 (95% confidence interval [CI] =0.58-0.70). Data analyzed up to first disease progression/relapse on FU had a PABAK score of 0.71 (95% CI = 0.64 0.77) indicating substantial agreement. Patients with disease controlled at the FU had a significant PABAK score of 0.88 (95% CI = 0.80-0.94) indicating excellent concurrence. On average, each patient spent Rs. 5117.10 on travel and Rs. 3079.06 on lodging per FU visit. CONCLUSION: Telephonic FU is substantially accurate in assessing disease status until the first relapse. In a resource constrained country like India, it is worthwhile to further explore the benefits of such an alternative strategy. PMID- 29199700 TI - Chemosuppressive effect of plumbagin on human non-small lung cancer cell xenotransplanted zebrafish. AB - BACKGROUND: Plumbagin (5-hydroxy-2-methyl-1,4-napthoquinone) derived from Plumbago species is a potential anti-tumour agent. Plumbagin has been tested for anti-cancer activity in vitro and in vivo using mice model. AIM: To study the tumour suppressing efficacy of plumbagin using zebrafish model. MATERIALS AND METHODS: Human Non-small lung cancer cell line were cultured in vitro and transplanted in to zebrafish. The development of tumour was confirmed by performing histology. The tumour was then allowed to progress in vivo and the fishes were administered with plumbagin orally for three continuous days. The tumour suppression capacity was monitored subsequently using transcriptosome analysis. STATISTICAL METHODS: The pixel integrated density obtained was converted into relative gene expression using IBM SPSS. RESULTS: The administration of plumbagin had an ability to suppress tumour and the size of the tumour were relatively lesser when compared with the control sample; it has also increased p53 gene expression. CONCLUSION: The study helps to conclude that plumbagin is an effective anti-tumour agent against human cancer cells based on the study in vivo in zebrafish. PMID- 29199701 TI - Demographic, clinical, biochemical, radiological and etiological characteristics of malignant pleural effusions from Eastern India. AB - CONTEXT: There are very limited data regarding clinical, radiological and etiological aspects of malignant pleural effusion (MPE) from Eastern India. AIMS: To review natural history, clinical features, radiological features and etiology of MPEs. SETTING AND DESIGN: Hospital based cross-sectional descriptive study. MATERIALS AND METHODS: We had reviewed166 diagnosed cases of MPEsregarding demography; clinical, radiological and biochemical characteristics, diagnostic modalities and etiologies. RESULTS: Out of 166 patients, 72.89% were males and 27.11% were females. Mean age of presentation among males was 64.3 +/- 12.7 and among females was 52.5 +/- 14.8. Most common presenting symptom was dry cough (87.9%) and most common presenting sign was clubbing (54.5%). Massive effusion was found in 45.78% of cases. Pleural fluid macroscopic appearance was haemorrhagic in 54.82% of cases. Mean adenosine deaminase activity in MPE was 24.05 U/L. Mean pleural fluid/serum protein ratio was 0.65, mean pleural fluid/serum lactate dehydrogenase ratio was 1.01. Most of the cases (84.94%) were diagnosed by pleural fluid cytology for malignant cells. Primary cancer was diagnosed in 136 (81.93%) cases; among which 121 (88.97%) cases were lung cancers, among which adenocarcinoma (52.89%) was the most common histology. CONCLUSIONS: Pleural fluid cytologies for malignant cells are usually sufficient to diagnose MPE in nearly 85% of cases and in remaining cases if thoracoscopyis not available, blind pleural biopsy can be helpful. The most common primary in cases of MPE is lung cancer with adenocarcinoma being the commonest culprit. PMID- 29199702 TI - Palliative thoracic radiotherapy in advanced lung cancer: A single institution experience. AB - BACKGROUND: Majority of patients of lung cancer present with locally advanced or metastatic disease, where systemic therapy is the treatment of choice. Many of these patients have local symptoms due to thoracic disease, wherein radiotherapy is proven to be an effective modality for alleviation of symptoms. However, the optimal dose of radiotherapy for adequate palliation remains debatable. The purpose of this retrospective study was to assess the efficacy of two different schedules of thoracic radiotherapy (TRT) with respect to symptom palliation. MATERIALS AND METHODS: A total of 100 consecutively treated patients with stages III-IV lung cancer treated with two different fractionation regimens of palliative TRT, either protracted course 20 Gy/5# over 1 week or short course of 17 Gy/2# over 8 days were assessed for symptom relief and survival. Impact of patient, tumor and treatment-related factors on response and overall survival (OS) was done by univariate analysis using log-rank test. RESULTS: Median age of the entire cohort was 60 years, majority being males, smokers with low Eastern Cooperative Oncology Group performance status (performance score >=2). Predominant symptoms were chest pain (68) followed by cough (21) and dyspnea (15). Palliative TRT was offered as either protracted course 20 Gy/5# over 1 week or short course of 17 Gy/2# over 8 days in 21 and 79 patients respectively. Median duration of symptom relief was 2 months, no differences in OS at 1 year with either regimen. CONCLUSIONS: TRT is an effective means of palliation having similar symptom relief and outcomes with weekly (17 Gy/2# over 8 days) or protracted radiotherapy regimens (20 Gy/5#over 1 week). Short TRT schedules are convenient and economical for patients as well as resource sparing for high volume centers. PMID- 29199703 TI - Metastatic nonsmall cell lung cancer in South India: A regional demographic study. AB - BACKGROUND: Nonsmall cell lung cancer (NSCLC) has varying epidemiological patterns in different countries and also in different regions of each country. In a country with a high prevalence of lung cancer such as India, regional variations in demography exist. AIM: A study of unique demographic trends of metastatic NSCLC patients presenting to our regional cancer center. MATERIALS AND METHODS: We did a retrospective analysis of histologically confirmed metastatic NSCLC patients who presented to our Department of Medical Oncology between August 2012 and July 2014. RESULTS: A total of 304 patients were analyzed. About 55.6% of the patients were in the age group of 41-60 years. About 79.6% of the patients were symptomatic for <6 months before presentation. About 63.5% of the patients were smokers presenting with a median age of 59 years whereas nonsmokers formed 36.51% of the patients presenting with a median age of 47 (P < 0.001). About 82.6% of the male patients and 4.1% of female patients were smokers. Equal number of all patients had adenocarcinoma (AC) and squamous cell carcinoma (SCC) histology. AC histology was more common in the nonsmoking group (62% of patients). SCC histology was seen in 54.3% of smokers. Metastasis to the contralateral lung and pleura was seen in 58.2% of patients. CONCLUSION: NSCLC presents at a young age. Smoking is a significant risk factor and it is common in the urban populations as in the rural areas. Both AC and SCC histologies presented in equal proportions. PMID- 29199704 TI - Solitary pulmonary nodule evaluation in regions endemic for infectious diseases: Do regional variations impact the effectiveness of fluorodeoxyglucose positron emission tomography/computed tomography. AB - BACKGROUND: Fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) has become a preferred imaging modality for the evaluation of solitary pulmonary nodule (SPN), particularly in the developed world. Since FDG can concentrate in infective/inflammatory lesions, the diagnostic utility of FDG PET can be questioned, particularly in regions endemic for infectious decisions. AIM: To evaluate the accuracy of FDG-PET/CT in evaluation of SPNs in a population endemic for infectious disease and to assess if regional variations have an impact on its effectiveness. MATERIALS AND METHODS: All patients who underwent an FDG/PET-CT with a clinico-radiological diagnosis of SPN categorized as indeterminate were included. Based on a maximum standardized uptake values (SUVmax) cut-off of 2.5, lesions were classified as benign (<2.5) or malignant (>2.5) and compared with gold standard histopathology. The diagnostic accuracy of PET-CT to detect malignancy was calculated. On the basis of final histopathology, lesions were grouped as (a) malignant nodules (b) infective/granulomatous nodules with a specific diagnosis and (c) nonspecific inflammatory nodules. The SUVmaxbetween these groups was compared using nonparametric statistical tests. RESULTS: A total of 191 patients (129 males, 62 females) with a median age of 64 years (range: 36-83) were included. Totally, 144 nodules (75.3%) were malignant and 47 were benign (24.7%). Adenocarcinoma (n = 84) was the most common malignancy. Tuberculosis (n = 16) and nonspecific infections (n = 24) were the two most common benign pathologies. There was a significant overlap in the metabolic uptake of malignant (median SUVmax-11.2, range: 3.3-34.6) and tuberculous nodules (median SUVmax-10.3, range: 2.7-22.5) with no statistically difference between their SUVmaxvalues (P = 0.43). The false-positive rate was 65.2% and the false-negative rate was 5.5%. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of FDG-PET/CT for detecting malignancy were 94.4%, 34.7%, 81.9%, 66.6%, and 79.5%, respectively. CONCLUSIONS: Though FDG-PET scans show a very high sensitivity for malignant nodules, it has a high false-positive rate and reduced specificity when characterizing SPNs in an infectious endemic region. Physicians must be aware of this limitation in the workup of lung nodules, and regional variations must be considered before further management decisions are taken. PMID- 29199705 TI - Outcomes in lung cancer: An experience from routine tertiary care setting. AB - BACKGROUND: The aim of this study was to establish characteristics of lung cancer patients diagnosed at a tertiary care hospital in Bangalore. METHODS: The retrospective study was undertaken comprising of 202 patients diagnosed of advanced lung cancer in a tertiary care setting. Data was analyzed to identify patients' characteristics, smoking history, tumor histology, stage of the disease, treatment received, and survival rates. RESULTS: Among the 202 patients diagnosed, 134 were males, and 68 were females. Tumor histology testing revealed that 168 patients had adenocarcinoma, 24 patients had squamous carcinoma, 5 patients had small cell carcinoma, and 5 patients were poorly differentiated carcinoma. Among the patients of adenocarcinoma, complete response, partial response (PR), stable disease, and progressive disease (PD) were seen in 0.6%, 52%, 17%, and 23.2% of the patients respectively. The median progression-free survival (PFS) for first-line treatment was 6.5 months; the highest PFS was seen with nab-paclitaxel/platinum combination. The mean overall survival was 11.7 months and the highest OS of 12.3 months with gefitinib therapy. In the squamous subset of patients, PR was observed in fourteen patients, of which five patients were treated with nab-paclitaxel/platinum. The mean overall survival of 10.5 months and mean PFS was 6.2 months with the highest PFS of 6.8 months were seen with weekly nab-paclitaxel. Among the small cell lung cancer patients, nine were treated with etoposide/platinum regimen with a compliance of 6 cycles. Three patients had a PR, and one had a PD on etoposide/platinum regimen. The mean overall survival in these patients was 4.6 months. PMID- 29199706 TI - Repeat biopsy in epidermal growth factor receptor mutation-positive nonsmall cell lung cancer: Feasibility, limitations, and clinical utility in Indian patients. AB - INTRODUCTION: The feasibility and success rate of repeat biopsy for epidermal growth factor receptor (EGFR) mutation-positive lung cancers that have progressed on tyrosine kinase inhibitors (TKIs) are varied and merits further assessment. MATERIALS AND METHODS: EGFR mutation-positive lung cancers were offered repeat biopsy upon progression on TKIs. Two groups of patients, first one on a clinical trial and second one from a database, were included for analysis. The feasibility to perform a repeat biopsy was analyzed in the first group. Success rate of biopsy and tissue adequacy for molecular testing was analyzed in both groups. Descriptive statistics were used for analyzing the demography, EGFR mutation type, tissue adequacy, and molecular profile at repeat biopsy. Kolmogorov-Smirnov test was used to assess normality of data. Two sample t-tests were used for comparison of proportions. RESULTS: The feasibility of undergoing repeat biopsy was 77% (95% confidence interval [CI] of 69.4%-83.5%) in the first group (114/148 patients). Feasibility was not analyzed in the second group of patients. Out of 196 patients who underwent a repeat biopsy, 154 patients (78.6%; 95% CI: 72.2% 84.1%) had tumor tissue adequate for performing molecular testing. 27/196 (13.8%) patients did not have any evidence of malignancy on repeat biopsy whereas 15/196 (7.6%) patients had scanty tissue on repeat biopsy prohibiting molecular testing. Six patients (3.06%; 95% CI: 1.1%-6.5%) had small cell transformation. T790M mutation was detected in 12 out of the 42 patients (28.6%; 95% CI: 15.7-44.6) in whom EGFR testing was performed on repeat biopsy specimen. CONCLUSION: Repeat biopsy was able to provide adequate tissue acquisition in only two-thirds of the patients. Liquid biopsy represents an important tool to bridge this gap. PMID- 29199707 TI - Evolving epidemiology of lung cancer in India: Reducing non-small cell lung cancer-not otherwise specified and quantifying tobacco smoke exposure are the key. AB - BACKGROUND: Adenocarcinoma is the most prevalent histological type of lung cancer (LC) in developed countries while squamous cell carcinoma (SqCC) has so far been the most common type at our center. Herein, we report our continued assessment of the epidemiological trend of LC aimed at determining any change in the histological distribution. METHODS: Retrospective analysis involving all consecutive newly diagnosed LC patients over a 4-year period (March 2011-February 2015). Demographic characteristics, histology, and staging data for current data set were compared with our previously published data (2008-2011). As before, smoking index (SI) was used to group patients as never (SI = 0), light (SI = 1 100), moderate (SI = 101-300), and heavy (SI >=301) smokers. RESULTS: Majority of 1301 patients had advanced disease (Stages IIIB = 30.1%; IV = 53.3%), were males (82.3%) and current/ex-smokers (76.9%). Adenocarcinoma and SqCC (36.4% each) were equally prevalent. As compared to our previous study, adenocarcinoma increased (36.4% vs. 27.5%) and nonsmall cell lung cancer-not otherwise specified (NSCLC NOS) decreased (5.1% vs. 10.9%) significantly (P < 0.001). The current study had more heavy smokers (68.3% vs. 61.1%; P = 0.013) and median SI was also higher (500 vs. 400; P = 0.001). Among SI-based groups, significant differences were observed for age, gender, body mass index, histology, TNM stage, and metastatic disease distribution. CONCLUSION: Reduction in NSCLC-NOS has led to adenocarcinoma and SqCC being equally prevalent at our center in North India despite an increase in heavy smokers. Accurate histological NSCLC subtyping is necessary for optimal epidemiological assessment. PMID- 29199708 TI - The single-incision versus multiple-incision video-assisted thoracoscopic surgery in the treatment of lung cancer: A systematic review and meta-analysis. AB - OBJECTIVE: We conducted this meta-analysis to compare the clinical outcomes of single-incision and multiple-incision video-assisted thoracoscopic surgery (VATS) lobectomy for lung cancer patients. METHODS: A literature search was conducted of the Cochrane Controlled Trials Register Databases, Medline, EMBASE, Web of Science databases, and Chinese Biomedical Literature Database. Eleven studies that compared single-incision VATS with multiple-incision VATS in the treatment of lung cancer were analyzed. Statistical analysis was carried out using RevMan 5.1 software. RESULTS: Eleven trials totaling 1273 patients were included. There were statistically significant differences in the duration of chest tube (standardized mean difference [SMD] = -0.42; 95% confidence interval [CI] [-0.78, -0.07], P < 0.02), hospital stays after surgery (SMD = -0.28; 95% CI [-0.41, 0.15], P < 0.0001), hospital stays after surgery in the subgroup analysis of lobectomy (SMD = -0.28; 95% CI [-0.42, -0.14], P < 0.0001), length of wound (P < 0.05), and pain visual analog scale (VAS) in the postoperative 1 day (SMD = 1.19; 95% CI [-1.94, -0.44], P = 0.002) between single-incision VATS group and multiple-incision VATS group. Compared with patients receiving multiple-incision VATS group, there were no statistically significant differences between the two groups with regard to the operative time (OT), blood loss (BL), rate of conversion to thoracotomy, and complication. CONCLUSION: Compared with multiple incision VATS on the condition of same lymph nodes retrieved number, single incision VATS reduced the length of wound, shortened the duration of chest tube, cut down the hospital stays after surgery, alleviated the pain VAS in the postoperative 1 day, did not significantly increase the OT and the BL in operation, and did not increase the rate of conversion to thoracotomy and complication. PMID- 29199709 TI - Stereotactic body radiation therapy for early-stage primary lung cancer, is an active breath coordinator necessary? An audit from a tertiary cancer care center. AB - CONTEXT: The hypofractionated stereotactic body radiation therapy (SBRT) has emerged as a safe and effective treatment modality for early-stage nonsmall cell lung carcinoma. AIMS: An audit SBRT in primary lung cancer treated in our center with and without an active breath coordinator (ABC) was undertaken to evaluate its impact on target volumes and clinical outcomes. SETTINGS AND DESIGN: This was an observational study. MATERIALS AND METHODS: Nine patients with lung carcinoma were treated from January 2014 to August 2016. Five patients were simulated using ABC and four patients with free breathing. Volumetric modulated arc therapy plans were generated using Monaco treatment planning software. Three patients were treated with a dose of 54 Gy in three fractions and six patients with a dose of 48 Gy in four fractions. STATISTICAL ANALYSIS USED: The statistical analysis was performed using Kaplan-Meier survival. RESULTS: The mean planning target volumes (PTV) in ABC and free breathing groups were 42.19cc and 60.17cc, respectively. The mean volume of lung receiving 20, 10, and 5 Gy (V20, V10and V5) in ABC group were 5.37cc, 10.49cc, and 18.45cc whereas in free breathing 6.63cc, 12.74cc, and 20.64cc, respectively. At a median follow-up of 18 months, there were three local recurrences. No significant toxicity occurred in our series. CONCLUSION: Our initial results show that SBRT is well tolerated with good local control. Although the PTV volume and irradiated normal lung volume was higher in this group compared to ABC group, this did not translate to any added clinical toxicity. PMID- 29199710 TI - Incidence and characteristics of Epidermal Growth Factor Receptor (EGFR) mutation in non-small-cell lung cancer (Adenocarcinoma histology): A report of 106 patients from Kolkata. AB - CONTEXT: Regional epidemiological data regarding the epidermal growth factor receptor (EGFR) mutation status in non-small-cell lung cancers (NSCLC) is an unmet need from the eastern part of India. AIMS: To report the incidence of EGFR mutation and its correlation with the phenotypical characteristics, in NSCLC patients from Kolkata. SUBJECTS AND METHODS: NSCLC patients, with adenocarcinoma histology, whose tissues had been tested for EGFR mutational status between March 2014 and February 2017, were considered for this study. The testing methods used were Real-time-based amplification refractory mutation system, polymerase chain reaction (ARMS PCR), PCR and gene sequencing, and cell-free DNA (CTDNA). Clinical characteristics and treatment details were collected from the patient's medical records in a de-identified manner. STATISTICAL ANALYSIS USED: Data were analyzed using simple descriptive statistical methods. RESULTS: Between March 2014 and February 2017, 108 samples were tested and two were deemed inadequate for reporting. Of the remaining 106 patients, 65 (61.3%) were males, and 41 (38.6%) were females. Median age was 56 years (42-72), 59 years for males and 52 years for females. 73.6% were nonsmokers. 87.7% tests were done using the real-time ARMS-PCR; 9.4% underwent PCR and gene sequencing and 2.8% using CT-DNA. Of 106 patients, 35 (33%) patients were found to be EGFR mutation positive. Ratio of male:female was 16 (45.7%):19 (54.3%). Ratio of nonsmoker: smoker was 30 (85.7%):5 (14.3%). 18 patients had exon 19 deletion (51.4%), 15 had L858R exon 21 mutation (42.9%), 1 patient (2.9%) had mutation in S7681 exon 20 along with L858R 21 and one patient (2.9%) had a T790m mutation without any other detectable EGFR mutation. CONCLUSIONS: The incidence of EGFR mutation in NSCLC is 33% from Kolkata and is typically more common in females and nonsmokers. PMID- 29199711 TI - Venous thromboembolism in cancer patients - magnitude of problem, approach, and management. AB - Cancer is hypercoagulable state. Patients with cancer are at high risk to develop venous thromboembolism (VTE). Relative risk of developing VTE is approximately seven times higher in patients with active cancer. The incidence of occult malignancy is 7%-12% in patients with idiopathic deep vein thrombosis (DVT). However, little research has been focused on cancer with thromboembolism. Lowmolecularweight heparin most frequently used pharmacologic agents as recommended by established guidelines. The aim was to evaluate the magnitude of problem in cancer patients and treatment option as per established guidelines. EMBASE, MEDLINE, and PubMed search of the literature were done to evaluate the association of DVT with various malignancy, magnitude of problem, approach, and various guidelines for the management of DVT. References of all publication were also searched to enrich this article for recent update. Thromboprophylaxis in cancer patient is gray zone area. This need lot of investigational work to find highrisk patients who would benefit from primary thromboprophylaxis. PMID- 29199712 TI - Histopathological analysis of meningioma and its variants: A study of fifty cases. AB - BACKGROUND: The study was conducted to know the various histopathological variants of meningiomas, the age incidence and sex ratio. MATERIALS AND METHODS: A retrospective and prospective analysis of all the samples sent for histopathology for 2 years during June 2013-May 2015 was done to diagnose meningioma and its variants. Cases were analyzed in detail about the complete clinical history, exact location, and clinical and radiological diagnosis. The majority of the cases were clinically and radiologically diagnosed as meningioma. RESULTS: Of 50 cases which were diagnosed as meningiomas, 21 were meningothelial variant, 15 were psammomatous, 8 were fibroblastic, 4 were transitional, and 1 case each of anaplastic and atypical variant. The most common age group was between 41 and 50 years. The youngest age group was 16 years and oldest was 70. The male:female ratio was 1:1.5. CONCLUSION: The majority of the meningiomas have been observed between 41 and 50 years. Their proper recognition is therefore important to allow appropriate treatment. Histopathological study plays a major role by which we can diagnose the lesion. Meningiomas typically develop in middle aged individuals and occur more frequently in women than men. These lesions may also occur in children. PMID- 29199713 TI - Stereotactic body radiation therapy for hepatocellular carcinoma: Experience from a tertiary cancer care center in India. AB - AIM: The aim of this retrospective study is to assess the toxicity and tumor response of stereotactic body radiation therapy (SBRT) protocol for hepatocellular carcinoma (HCC) in our institution. BACKGROUND: Hepatocellular cancer is one of the leading cancers among men in India. In recent years, SBRT has emerged as a promising tool in the treatment of HCC. MATERIALS AND METHODS: Ten patients diagnosed as HCC with Barcelona Clinic Liver Cancer Stage B and C, treated with SBRT technique from January 2013 to December 2016, were included in this study. SBRT was delivered using 6 MV photons with volumetric modulated arc therapy. Acute and late toxicities were graded, and tumor response was assessed using response evaluation criteria in solid tumors criteria. Kaplan-Meier curves were generated for progression-free survival (PFS) and overall survival (OS). RESULTS: The median age was 61.5 (52-69) years. The radiation dose ranged from 35 Gy to 60 Gy. All patients obtained partial response during assessment at 3 months after completion of treatment. The median PFS is 8 months (95% confidence interval [CI] - 5.22-10.77 months). The median OS is 51 months (95% CI - 17.64 65.10 months). The OS at 1 and 2 years is 75% and 57%, respectively. CONCLUSIONS: SBRT is well tolerated by our patients. The 1- and 2-year OS of 75% and 57% is consistent with other prospective and retrospective SBRT studies from the literature. PMID- 29199714 TI - Prognostic factors and treatment of patients with advanced synovial sarcoma: A single-center experience. AB - BACKGROUND: Synovial sarcoma (SS) is a malignant mesenchymal tumor, which comprises 5%-10% of all the sarcomas. There is insufficient information on prognostic factors and salvage treatments of advanced SS. In this study, we aimed to further clarify the clinicopathological features, prognostic factors, and treatment modalities in advanced SS. MATERIALS AND METHODS: A total of 45 SS patients followed up between 2001 and 2015 at our cancer institute, Department of Medical Oncology, were retrospectively evaluated. Eleven patients were initially metastatic, and remaining patients developed metastasis or became inoperable due to locally advanced disease. Overall survival was evaluated by Kaplan-Meier analysis. RESULTS: The median age of patients was 37 (17-70) years and 60% (n = 26) of them were female. SS was most commonly localized in the lower extremity and abdomen-pelvis (29% and 29%, respectively). Median follow-up time was 33 (6 175) months. Patients were treated with a median of two (1-5) line chemotherapies at metastatic stage. Ifosfamide plus adriamycin (IMA) (49%, n = 22) and cisplatin etoposide (13%, n = 6) were the most often used chemotherapy regimen as first line in metastatic stage. Partial response was obtained in 32% of the patients treated with IMA chemotherapy. Furthermore, median progression-free survival was 6 (1-123) months. Median survival of metastatic stage at diagnosis or in follow up was 21 months (14-27) and 21 (12-29) months (P = 0.53), respectively. Most metastatic locations were lung (75%) and bone. Factors influencing survival at metastatic stage were evaluated; statistically significant longer survival was observed in patients with lung metastasis, primary tumor size smaller than 10 cm, patients who underwent surgery for the metastasis, and development-to-metastasis period longer than 12 months. CONCLUSION: Median survival of patients in metastatic stage SS was 21 months. Lung was the most common metastatic site. PMID- 29199715 TI - Expanded panel test detecting mesenchymal-epithelial transition amplification leading to effective treatment in adenocarcinoma lung. PMID- 29199716 TI - Pattern of distant metastasis in molecular subtypes of carcinoma breast: An institutional study. AB - BACKGROUND: Molecular subtypes of carcinoma breast show a particular pattern of distant metastasis, the knowledge of which can help to diagnose and intervene early in the course of the disease. AIM: The aim of this study was to investigate and establish an association between the molecular subtypes of carcinoma breast and the pattern of distant metastasis. SETTINGS AND DESIGN: Single arm, retrospective study. MATERIALS AND METHODS: Totally 400 patients of carcinoma breast (Stage I and II) were selected who were treated between January 2010 and December 2013. All these patients were treated with the standard treatment protocol for breast cancer. The estrogen receptor, progesterone receptor, human epidermal growth factor receptor-2 (HER-2) Neu status, and Ki-67 were done, and patients were classified into luminal A/B, HER-2 enriched, luminal/HER-2, and triple-negative subtypes. All patients were followed up until December 2015, and the pattern of local failure as well as distant metastasis was correlated with the molecular subtypes. RESULTS: A total of 143 patients developed distant metastasis and local recurrence. Bone was the most common site of metastasis overall. It was the most common type of metastasis in luminal A/B (53.3%) and luminal-HER (57.1%). Brain metastasis was most common in HER-2-enriched subtype (30.3%), whereas liver was the most common site of metastasis in HER-2-enriched subtype (45.45%). The incidence of brain metastasis was comparatively lower in luminal A/B subtype. Local recurrence was most common in HER-2-enriched subtype. The results were statistically significant for lung metastasis and local recurrence (with P = 0.004 and 0.047, respectively). CONCLUSION: A strong association exists between the molecular subtypes and the site of distant metastasis in breast cancer which can be used for greater vigilance to detect site-specific distant metastasis beforehand. PMID- 29199717 TI - Tumor characteristics and metabolic quantification in carcinoma breast: An institutional experience. AB - BACKGROUND: In India, carcinoma breast is the most common cancer among urban women population and second most common cancer after carcinoma cervix in rural areas. One in 22 women in India develops carcinoma of the breast in their lifetime. Fluorine-18-fluoro-2-deoxy-D-glucose (18F-FDG) uptake in breast cancer usually indicates the degree of tumor metabolism and hence can predict its behavior and prognosis. On the other hand, the estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER-2) or neu state of breast cancer is a biomarker that provides important prognostic information in addition to predicting response to therapy. AIMS: The main objective of this study is to assess whether a correlation exists between 18F-FDG uptake in untreated cases of breast cancer, their receptor status (ER, PR, and HER-2 or neu), tumor histology, and tumor size. SUBJECTS AND METHODS: Sixty consecutive female patients, with biopsy-proven primary breast cancer, were enrolled in this prospective study for whom 18F-FDG positron emission tomography computed tomography scan was done in the Department of Nuclear Medicine. Results obtained were analyzed using appropriate statistical tests (t-test and Pearson Chi-square tests), and interpretation was made with 95% confidence level. RESULTS: In our series, a positive correlation between tumor size, high tumor grade, and standardized uptake value (SUV) was found. Tumors with positive receptor status for estrogen, progesterone, and HER-2/neu receptors had statistically insignificant lower maximum SUV (SUVmax) values than their negative counterparts. Triple-negative breast tumors (ER-, PR-, and no overexpression of HER-2/neu) are currently a subject of major interest because of their aggressiveness, poor prognosis, and lack of targeted therapy. Based on receptor status when the SUVmaxof the group with triple-negative receptor status (ER-/PR /HER-2/neu-) was compared to rest of the patient group, it was seen that patients with negative receptor status had significantly higher mean SUVmaxvalues. CONCLUSIONS: We have inferred that in patients with breast cancer, various biological parameters such as tumor size, grade, histology, and hormonal receptor status have different impact on tumor metabolic activity. PMID- 29199718 TI - Multiple myeloma: Experience of an institute in limited resource setting. AB - INTRODUCTION: Multiple myeloma (MM) is a plasma cell dyscrasias and an incurable clonal B-cell malignancy, with an annual incidence of 1% of all malignancies. The mainstay of treatment of myeloma is induction treatment followed by consolidation with autologous stem cell transplant (ASCT). However, still in a developing country like India where affordability is a major hurdle for health care, a number of MM patients are not able to undergo ASCT. AIM: To study the epidemiological features and outcome of MM patients treated in a limited resource setting. MATERIALS AND METHODS: We conducted a retrospective study at our institute to identify patients diagnosed as MM from 2005 to 2016. We studied the epidemiological profile and the outcome of the treatment in terms of response rates and overall survival. STATISTICAL ANALYSIS: Survival analysis was performed using Kaplan-Meier curve. RESULTS: Median age at diagnosis is 54 years (range: 39 85 years). IgG myeloma was the most common type seen in 72% of patients. The International Staging System (ISS) was ISS I (31%), ISS II (30%), and ISS III (39%). The median duration of treatment for thalidomide + dexamethasone (TD) and bortezomib + TD (VTD) was 9 and 7 months, respectively. Median survival for the TD versus VTD regimen (in a nontransplant setting) for the ISS I, ISS II, and ISS III groups was 49 and 55 months (P = 0.056), 42 and 48 months (P < 0.05), 21 and 27 months (P < 0.05), respectively. CONCLUSION: Proteasome inhibitors significantly improved the median survival for patients with MM (ISS II and ISS III) treated in a limited resource setting. PMID- 29199719 TI - Retrospective study of efficacy and safety of neoadjuvant docetaxel, carboplatin, and trastuzumab in HER2-positive locally advanced and oligometastatic breast cancer: An Indian experience. AB - BACKGROUND: The neoadjuvant chemotherapy in HER2-positive breast cancer consists of a chemotherapy backbone and HER2-directed therapy. The increase in cardiotoxicity by the use of trastuzumab with an anthracycline-based regimen has led to the use of nonanthracycline-based alternative regimens. The docetaxel, carboplatin, and trastuzumab (TCH) are one such regimen. The efficacy and toxicity of this regimen have not been widely studied in Indian patients. AIMS: This retrospective study aims to evaluate the efficacy and toxicity of neoadjuvant TCH regimen in locally advanced and oligometastatic HER2-positive breast cancer in Indian patients. METHODOLOGY: The hospital records between January 2014 and December 2016 were reviewed to identify patients with locally advanced and oligometastatic HER2-positive breast cancer treated with uniform 3 weekly neoadjuvant chemotherapy protocol-containing docetaxel (75 mg/m2), carboplatin (AUC = 6), and trastuzumab (8 mg/kg loading followed by 6 mg/kg) (TCH). The primary outcome was the pathologic complete response (pCR), which was defined as an absence of invasive and noninvasive cancer in breast or lymphnode. RESULTS: Thirty-two patients with mean age 46 years met our inclusion criteria, of these 24 patients had locally advanced breast cancer, and eight patients had oligometastatic breast cancer. 13 (40.6%) patients had hormone-positive breast cancer. The objective response rate as assessed clinically was 100%, and pCR rate was 36.3%. The patients with oligometastatic breast cancer also showed a good response to chemotherapy with three patients showing pCR and four patients showing resolution disease at metastatic sites. The patients experienced very few Grade III/IV toxicities, and no patient had clinical congestive heart failure. CONCLUSION: The TCH protocol is an efficacious neoadjuvant chemotherapy regimen for locally advanced and oligometastatic breast cancer and is safe and well tolerated in this population. PMID- 29199720 TI - A prospective randomized trial comparing capecitabine-based chemoradiotherapy with 5-FU-based chemoradiotherapy in neoadjuvant setting in locally advanced carcinoma rectum. AB - INTRODUCTION: Fluorouracil (FU)based chemoradiotherapy is regarded as a standard perioperative treatment in locally advanced rectal cancer. Capecitabine is an oral fluoropyrimidine that generates 5FU preferentially at the tumor site by exploiting the higher activity of the enzyme thymidine phosphorylase in tumor tissue compared with healthy tissue. As an oral agent, capecitabine can be administered in the outpatient setting, potentially providing FU exposure similar to a lowdose continuous infusion of 5FU. AIMS AND OBJECTIVES: To compare capecitabine with 5FU, with regard to efficacy and toxicity when used in neoadjuvant setting along with radiotherapy for locally advanced carcinoma rectum. MATERIALS AND METHODS: Thirty patients were enrolled, 14 in 5FU and 16 in capecitabine arm. All patients were planned for 45 Gy/25#/5 weeks pelvic radiotherapy followed by a boost of 5.4 Gy/3#/3 days. 5FU was prescribed at a dose of 500 mg/m2 #1-#5 and #21-#25 of RT and capecitabine was given at 1650 mg/m2 on RT days throughout the course of radiotherapy. A magnetic resonance imaging/computerized tomography scan was done at the start of treatment and 1 month after completion of treatment, followed by surgery. Toxicity was assessed weekly during treatment and on the first followup. RESULTS: Response rates and toxicity profile of capecitabinebased cathode ray tube (CRT) was similar to 5FUbased CRT with nonsignificant P values. CONCLUSION: Capecitabine may be used as an alternative in patients who do not tolerate 5FU. PMID- 29199721 TI - Predicting loco-regional recurrence risk in T1, T2 breast cancer with 1-3 positive axillary nodes postmastectomy: Development of a predictive nomogram. AB - BACKGROUND: Role of postmastectomy radiotherapy (PMRT) in early breast cancer with 1-3 positive axillary nodes is still controversial. Hence, there is a need to identify subgroup of patients who have sufficiently high risk of disease recurrence to benefit from PMRT. AIM: The aim is to evaluate clinical outcomes of patients postmastectomy having pathological T1-T2 tumors with 1-3 positive axillary lymph nodes (LNs) treated with adjuvant systemic therapy and develop a predictive nomogram. MATERIALS AND METHODS: Data collected retrospectively from eligible patients from 2005 to 2011. Kaplan-Meier survival analysis was used for all time-to-event analysis. Various known clinical and pathological risk factors were correlated with outcome using uni- and multi-variable analysis in SPSS version 21. All comparisons were two-tailed and P < 0.05 were considered statistically significant. The nomogram to predict the risk of loco-regional control (LRC) was developed using least absolute shrinkage and selection operator shrinkage model in hdnom.io software. RESULTS: 38/242 (15.7%) patients had recurrent disease at loco-regional (10 patients), distant sites (22 patients) and simultaneous loco-regional and distant sites (6 patients) at a median follow-up 59.5 (range 4-133) months. Five years estimate of LRC, distant disease-free survival (DFS), DFS, cause-specific survival and overall survival was 87.8%, 85.4%, 84.2%, 93.1%, and 91.5%, respectively. Pathological tumor size, margin status, LN ratio as continuous variables and grade and triple negative breast cancer status as categorical variables were the risk factors included in the model for building nomogram. CONCLUSION: The nomogram developed based on institutional data can be a valuable tool in guiding adjuvant PMRT depending on the risk of 5 years loco-regional recurrence. PMID- 29199722 TI - Composite lymphomas: Experience from a tertiary cancer center in Kerala, South India. AB - OBJECTIVES: Composite tumors are defined as tumors in which there are two different intermixed histologic types. Our objective was to study the clinical and pathologic features of five cases of composite lymphoma. MATERIALS AND METHODS: Our study included five patients of composite lymphoma diagnosed over a period of 5 years. Clinical presentation, hematological parameters including peripheral smear, bone marrow aspirate, and histopathological examination of lymph node including immunohistochemistry (IHC) were studied. Treatment and follow-up details were also noted. RESULTS: All the five cases were in the adult age group ranging from 44 to 72 years. All the cases were composite follicular lymphoma (FL) and mixed cellularity classical Hodgkin lymphoma (CHL). Diagnosis in all cases was suspected on morphology by identification of distinct neoplastic follicles in FL and classic Reed-Sternberg cells in CHL and confirmed by IHC. CONCLUSION: Although rare, composite lymphomas should be kept in mind. Careful histopathological examination of lymph node with identification of distinct morphological features along with IHC helps to arrive at the definitive diagnosis. PMID- 29199723 TI - Chemo port insertion through femoral vein approach: A rare indication and a rare complication. PMID- 29199724 TI - Survival and prognostic factors for glioblastoma multiforme: Retrospective single institutional study. AB - INTRODUCTION: Glioblastoma multiforme (GBM) is the most common and aggressive primary brain tumor in adults. The standard management has been maximum surgical resection followed by adjuvant radiotherapy with concurrent chemotherapy followed by adjuvant chemotherapy. Although the survival rate of patients with GBM has improved with recent advancements in treatment, the prognosis remains generally poor. The median survival rates are in the range of 9-12 months and 2-year survival rates are in the range of 8%-12%. MATERIALS AND METHODS: A single institution retrospective review of 61 patients of GBM from 2012 to 2014. Data regarding patient factors, disease factors, and treatment factors were collected and survival has been calculated. RESULTS: A total of 61 patients with GBM were analyzed. GBM is commonly seen in sixth decade of life. Male to female ratio is 2.6:1. The right side of the brain is commonly involved with right frontal lobe being the most common site. The median follow-up was 4.6 months. The median survival of our patients was 8 months. The 1-year and 2-year survival rates were 20% and 3.27%, respectively. CONCLUSIONS: The overall survival and prognosis in patients with GBM remains poor despite of constant research and studies. Concurrent chemoradiotherapy followed by adjuvant chemotherapy with temozolomide should be used after maximal resection to improve the survival. PMID- 29199725 TI - Rechallenge temozolomide in glioma: A case series from India. AB - INTRODUCTION: Temozolomide (TMZ) is an integral part of upfront treatment of high grade gliomas. It is administered postsurgery as concurrent therapy with radiation and subsequently as adjuvant chemotherapy for 6-12 cycles. It is unknown whether rechallenge of salvage TMZ in previously treated high-grade glioma has any efficacy. MATERIAL AND METHODS: Patients treated with salvage rechallenged TMZ between January 2015 and August 2016 were included for this retrospective analysis. SPSS version 20 was used for this analysis. Time to event analysis was performed using the Kaplan-Meier method. Progression-free survival (PFS) and overall survival (OS) were estimated. The maximum grade of toxicity was noted in accordance with CTCAE version 4.02. RESULTS: A total of 23 patients were selected for analysis with the median age being 43 years (range: 26-69 years). The tumor histopathology at baseline was astrocytoma Grade 2 in 1 patient, oligodendroglioma Grade 2 in 3 patients, anaplastic astrocytoma in 7 patients, anaplastic oligodendroglioma in 2 patients, and glioblastoma in 10 patients. All of them had previously received TMZ. The median numbers of previous TMZ cycles received were 6 (4-18). The median time to failure postlast treatment was 24 months (5-72 months). The median number of cycles of rechallenged salvage TMZ administered was 6 cycles (range: 1-18). Grade 3-4 myelosuppression was seen in 3 patients (13.4%). The median PFS was 459 days (95% confidence interval: 212.1 705.9). The median OS was 25 months. Six-month OS and 1-year OS were 81.4% and 75.1%, respectively. CONCLUSION: Rechallenge with TMZ in recurrent glioma that had previously responded to TMZ is associated with improvement in PFS and OS and has a sufficiently long disease-free interval. PMID- 29199726 TI - Role and relevance of BRAF mutations in risk stratifying patients of papillary thyroid cancers along with a review of literature. AB - INTRODUCTION: Molecular markers are increasingly being explored as a potential diagnostic and prognostic tool in patients with well-differentiated thyroid cancers and B-type Raf kinase (BRAF) V600E mutation has received a wide attention in this regard. Many clinical studies have demonstrated an association of BRAF V600E mutation with aggressive clinicopathologic characteristics and high tumor recurrence and mortality in patients with papillary thyroid cancers. Papillary thyroid cancers has been abbreviated and PTCs. AIM: The present single center study aims to assess the biological behavior of conventional papillary thyroid cancers. (PTC) with somatic BRAF V600E mutation. MATERIALS AND METHODS: Patients who were managed for well differentiated thyroid cancers during 2005-2006 were included in the study. BRAF V600E mutation analysis was done by real time polymerase chain reaction after extracting genomic DNA from the representative archived formalin fixed paraffin embedded tumor tissue. RESULTS: Of the 79 patients of well-differentiated thyroid cancers included in the study, 31% harbored BRAF V600E mutation; the mutation prevalence was 39.6% in the cohort of conventional PTCs. Our study emphatically states that BRAF V600E mutation status is a significant predictor of adverse outcomes in patients with conventional PTCs. CONCLUSION: Our study further suggests a possible risk-stratified approach using age, BRAF V600E mutation status, and extrathyroidal spread, and this approach can be used to personalize the management of patients with conventional PTCs. The result of our study adds to the growing consensus that BRAF V600E mutational status should be analyzed in correlation with other molecular and clinicopathological prognostic factors for a better risk stratification. PMID- 29199727 TI - Evaluation of dose conformity and coverage of target volume for intensity modulated radiotherapy of pelvic cancer treatment. AB - BACKGROUND: Better conformity may help in delivering minimum dose to organs at risk (OARs) and maximum dose to planning target volume (PTV). As per the requirements of modern radiotherapy, 95% isodose should cover the PTV, so conformity indices (CIs) are used for evaluating quality of conformation of treatment plans. AIM: This study aimed to investigate degree of conformity for pelvic patients using intensity-modulated radiotherapy (IMRT) technique. Three formulas of CIs described in literature were analyzed in this study. SETTINGS AND DESIGN: This study was performed to evaluate degree of conformity of 18 patients treated with radiotherapy treatment plan using cumulative dose volume histogram. Effectiveness of different CIs was explored for IMRT plans using 15 MV photon beam. Doses delivered to OAR were also studied. STATISTICAL ANALYSIS USED: CI suggested by the International Commission on Radiation Units and Measurements, radiation CI and CI prescription isodose to target volume (PITV) had mean +/- standard deviation values of 1.02 +/- 0.018, 0.98 +/- 0.017, and 1.63 +/- 0.333, respectively. RESULTS AND CONCLUSION: Dose distribution for all patients was highly conformal and clinically acceptable. Values of CI PITV exceeded acceptable value for 27% patients with minor deviation. No statistically significant differences were observed for three CIs reported. Target volume lies between 95% and 107% of prescribed dose which shows ideal target coverage. This simple parameter is advantageous since it is easy to interpret and helped determine quality of treatment plan. This study clearly demonstrated that favorable dose distribution in PTV and OARs is achieved using IMRT technique, and hence, the risk of damage to normal tissues is reduced. PMID- 29199728 TI - Testicular seminoma: Are clinical features and treatment outcomes any different in India? AB - AIM: This study aims to identify clinical features, treatment outcomes, and prognostic factors for relapse and survival in patients with testicular seminoma. MATERIALS AND METHODS: Retrospective analysis of all patients with pure seminoma treated at our center during over a decade (January 2005-December 2014) was carried out. Patient demographics, tumor characteristics, and treatment details and pattern of recurrence were recorded in a structured format, and disease-free survival and overall survival were calculated. RESULTS: Sixty-three patients' case records were included in the analysis. Ten patients developed disease in the undescended testis. All patients underwent orchiectomy as the initial treatment procedure. Majority of the patients were Stage I (57.14%) followed by Stage II (39.6%). Among the patients with Stage I, 55.5% received adjuvant chemotherapy while 22.2% received adjuvant radiation and the rest opted for surveillance. The compliance for active surveillance was very poor. Among patients with Stage II disease, majority (80%) were treated with adjuvant chemotherapy and the rest with radiation. At a median follow-up of 49 months, there were four recurrences of which three were salvaged successfully, and one patient remained alive with disease. There were no disease-related deaths. CONCLUSIONS: Testicular seminoma remains to be relatively low and majority of them presented with Stage I disease and single agent carboplatin appeared to be the preferred adjuvant treatment. Advanced disease patients were treated with etoposide and cisplatin/bleomycin, etoposide and cisplatin chemotherapy and the clinical outcome is comparable with the Western literature. PMID- 29199730 TI - Theoretical aspects of femtosecond double-pump single-molecule spectroscopy. II. Strong-field regime. AB - We investigate femtosecond double-pump single-molecule signals in the strong field regime, which is characterized by nonlinear scaling of the signal with the intensity of the pump pulses. The signals can be decomposed into population and coherence contributions. In contrast to the weak-field regime (in which only the coherence contribution is important) both contributions are relevant in the strong-field regime and reveal the vibrational dynamics of the chromophore. Other than in the weak-field regime, the detection of vibrational beatings is not limited by the electronic dephasing time of the chromophore. Moreover, the signals in the strong-field regime are more robust with respect to the environment-induced modulation of the chromophore parameters. It is shown that excited-state absorption in chromophores with three electronic states is reflected in the phase dependence of single-molecule signals. The simulations reveal that the information content of femtosecond double-pump single-molecule signals is enhanced in the strong-coupling regime. PMID- 29199729 TI - Epidemiology of gynecological cancers in Kamrup Urban District cancer registry. AB - BACKGROUND: Cancers of the female reproductive system - namely cancer of the cervix, corpus uteri, ovarian, vulvar, vaginal, fallopian tube cancers and choriocarcinoma are an important cause of cancer morbidity and mortality among women worldwide. It is estimated to be the third most common group of malignancies in women. The comprehensive global cancer statistics from the International Agency for Research on Cancer indicate that gynaecological cancers accounted for 20% of the 14.1 million estimated new cancer cases and 8.2 million cancer deaths among women in the world in 2012. The estimation of cancer burden is necessary to set up priorities for disease control. Gynaecological cancers have increased in India and are estimated to be around 182,602 by the year 2020 constituting about 30% of the total cancers among women in India. Among these, cancer of the uterine cervix followed by ovary and corpus uteri are the major contributors. METHODS AND MATERIALS: Cancer is not notifiable in India, so method of collecting information on cancer was active with voluntary participation of different sources including major hospitals, diagnostic centers, state referral board and birth and death registration centers within registry area. RESULTS: A total of 3767 (44%) cases were registered in women out of the total number of 8561 cancer cases during the period from 2010-2014. In case of gynaecological cancers a total of 661 cases of cervical, ovarian and corpus uterine cancers were registered out of the total 3767 female cancer cases (17.5%) for the year 2010 2014.The annual average crude rate in women for all sites of cancer was 117.4 per 100000 population. The corresponding AARs was 166.6. CONCLUSIONS: Women's health issues have attained high concern in recent decades. Utmost efforts should be made to educate women in early cancer detection by creating awareness on risk factors and symptoms. PMID- 29199732 TI - Carbene-catalyzed LUMO activation of alkyne esters for access to functional pyridines. AB - A carbene-catalyzed LUMO activation of alpha,beta-unsaturated alkyne esters is reported. This catalytic process allows for effective reactions of alkyne esters with enamides to synthesize functional pyridines via simple protocols. A previously unexplored unsaturated alkyne acyl azolium intermediate is involved in the key step of the reaction. PMID- 29199731 TI - Ionic liquids at interfaces: general discussion. PMID- 29199733 TI - A robust, portable and backflow-free micromixing device based on both capillary- and vacuum-driven flows. AB - In capillary- or vacuum-driven microfluidics, surge backflow events are common when merging or pumping two similar or dissimilar liquids together if a pressure difference exists between them. In this work, a robust, portable micromixing device that is insensitive to backflow was designed, fabricated and characterised. A capillary-driven pressure balancing bypass connected between two inlet ports diminished the initial pressure difference caused by capillarity and gravity present in each liquid at the two inlet ports. Then, using manual syringe assisted vacuum-driven pumping that operated based on the high gas permeability of polydimethylsiloxane, the two pre-balanced liquid streams could synchronously enter a dead-end micromixing channel without any backflow. To test the performance of this device, we first used it to mix two aqueous solutions of different coloured dyes. We varied the initial volume difference between the solutions to study the effect of gravity-induced pressure difference on mixing. Next, as a proof-of-concept application, ABO/Rh blood groups were successfully determined through detection of blood antigen-antibody agglutination. The filling time of agglutinated samples, driven by the simple syringe-assisted pumping, in the dead-end mixing channel was consistently 10% longer than that of blood samples without the agglutination reaction. Thus, the proposed device shows great potential for use in a wide variety of blood typing assays, agglutination-based assays and point-of-care or lab-on-a-chip testing applications. PMID- 29199734 TI - Oxidoperoxidomolybdenum(vi) complexes with acylpyrazolonate ligands: synthesis, structure and catalytic properties. AB - Oxidoperoxido-molybdenum(vi) complexes containing acylpyrazolonate ligands were obtained by reaction of [Mo(O)(O)2(H2O)n] with the corresponding acylpyrazolone compounds HQR. Complexes Ph4P[Mo(O)(O2)2(QR)] (R = neopentyl, 1; perfluoroethyl, 2; hexyl, 3; phenyl, 4; naphthyl, 5; methyl, 6; cyclohexyl, 7; ethylcyclopentyl, 8) were obtained if the reaction was carried out with one equivalent of HQR in the presence of Ph4PCl. Alternatively, neutral complexes [Mo(O)(O2)(QR)2] (R = neopentyl, 9; hexyl, 10; cyclohexyl, 11) were formed when two equivalents of HQR were used in the reaction. These complexes were isolated in good yields as yellow or yellow-orange crystalline solids and were spectroscopically (IR, 1H, 13C{1H} and 31P{1H} NMR), theoretically (DFT) and structurally characterised (X-ray for 1, 2, 9 and 10). Compounds 1 and 9 were selected to investigate their catalytic behaviour in epoxidation of selected alkenes and oxidation of selected sulphides, while 10 and 11 were tested as catalyst precursors in the deoxygenation of selected epoxide substrates to alkenes, using PPh3 as the oxygen-acceptor. Complexes Ph4P[Mo(O)(O2)2(QR)] were shown to be poor catalyst precursors in oxidation reactions, while the activity of [Mo(O)(O2)(QR)2] species is good in all the studied reactions and comparable to related oxidoperoxido-molybdenum(vi) complexes. Complex [Mo(O)2(QC6)2], 12, was obtained by treatment of 10 with one equivalent of PPh3, demonstrating that the first step in the epoxide deoxygenation mechanism was the oxygen atom transfer toward the phosphane. PMID- 29199736 TI - Pattern formation and self-assembly driven by competing interactions. AB - Colloidal fluids interacting via effective potentials which are attractive at the short range and repulsive at the long range have long been raising considerable attention because such an instance provides a simple mechanism leading to pattern formation even for isotropic interactions. If the competition between attraction and repulsion is strong enough, the gas-liquid phase transition is suppressed, and replaced by the formation of mesophases, i.e., inhomogeneous phases displaying periodic density modulations whose length, although being larger than the particle size, cannot nevertheless be considered macroscopic. We describe a fully numerical implementation of density-functional theory in three dimensions, tailored to periodic phases. The results for the equilibrium phase diagram of the model are compared with those already obtained in previous investigations for the present system as well as for other systems which form mesophases. The phase diagram which we find shows a strong similarity with that of block copolymer melts, in which self-assembly also results from frustration of a macroscopic phase separation. As the inhomogeneous region is swept by increasing the density from the low-density side, one encounters clusters, bars, lamellae, inverted bars, and inverted clusters. Moreover, a bicontinuous gyroid phase consisting of two intertwined percolating networks is predicted in a narrow domain between the bar and lamellar phases. PMID- 29199735 TI - Ligand-free, palladacycle-facilitated Suzuki coupling of hindered 2 arylbenzothiazole derivatives yields potent and selective COX-2 inhibitors. AB - A similarity search and molecular modeling study suggested the 2'-aryl-2 arylbenzothiazole framework as a novel scaffold for the design of COX-2-selective inhibitors. Conventional Suzuki coupling conditions did not furnish the designed compounds in good yield from 2'-bromo-2-arylbenzothiazole as the starting material. A novel ligand-free Suzuki-Miyaura coupling methodology was developed for sterically hindered 2'-bromo-2-arylbenzothiazoles. The reaction depends on the coordination properties of the benzothiazole ring nitrogen, which is involved in the formation of a palladacyclic intermediate that was synthesized independently and converted to the final product. The new method provides good to excellent yields (up to 99%) with favorable functional group tolerability. Six compounds had potencies in the submicromolar range against COX-2 and higher selectivity for COX-2 vs. COX-1 compared to the currently used drug celecoxib. Molecular modeling was used to investigate the possible binding mode with COX-2. PMID- 29199737 TI - Fortune teller fermions in two-dimensional materials. AB - Dirac-like electronic states are the main engines powering tremendous advancements in the research of graphene, topological insulators and other materials with these states. Zero effective mass, high carrier mobility and numerous applications are some consequences of linear dispersion that distinguishes Dirac states. Here we report a new class of linear electronic bands in two-dimensional materials with zero electron effective mass and sharp band edges, and predict stable materials with such electronic structures utilizing symmetry group analysis and an ab initio approach. We make a full classification of completely linear bands in two-dimensional materials and find that only two classes exist: Dirac fermions on the one hand and fortune teller-like states on the other hand. The new class supports zero effective mass similar to that of graphene and anisotropic electronic properties like that of phosphorene. PMID- 29199738 TI - Metal-free electrophilic phosphination of electron-rich arenes, arenols and aromatic thiols with diarylphosphine oxides. AB - A new protocol for achieving the phosphination of arenes, arenols and thiols has been disclosed. This chemistry, in which diaryl(((trifluoromethyl)sulfonyl)oxy)phosphines as a kind of electrophilic phosphination reagents are in situ generated from diarylphosphine oxides, provides an efficient and mild approach for the synthesis of aromatic organophosphorus compounds. PMID- 29199739 TI - A Cu(ii)-MOF capable of fixing CO2 from air and showing high capacity H2 and CO2 adsorption. AB - A porous Cu(ii)-MOF shows an adsorption of 6.6 wt% of H2 at 77 K and 62 bar and a very high 60 wt% of CO2 at 298 K and 32 bar. When air is bubbled into a suspension of the activated MOF in the presence of different epoxides at room temperature, the CO2 in air is readily converted into the corresponding cyclic carbonates. PMID- 29199740 TI - Unprecedented sensitivity towards pressure enabled by graphene foam. AB - Reduced graphene oxide foam (RGOF)-based pressure sensors have been fabricated through the combination of ultrasonic dispersion and freeze-drying methods. Due to the maintenance of the highly disordered structure of the ultrasonic dispersed graphene oxides before the freezing process, the RGOF sensors demonstrated an ultra-high sensitivity of 22.8 kPa-1, an ultra-low detection limit of around 0.1 Pa, and a superior separation of 0.2-Pascal-scale difference. PMID- 29199741 TI - Surface plasmon-enhanced amplified spontaneous emission from organic single crystals by integrating graphene/copper nanoparticle hybrid nanostructures. AB - Organic single crystals have attracted great attention because of their advantages such as high carrier mobility and high thermal stability. Amplified spontaneous emission (ASE) is an important parameter for the optoelectronic applications of organic single crystals. Here, surface plasmon-enhanced ASE from the organic single crystals has been demonstrated by integrating graphene/copper nanoparticle (Cu NP) hybrid nanostructures. Graphene is fully accommodating to the topography of Cu NPs by the transfer-free as-grown method for the configuration of the hybrid nanostructures, which makes full electrical contact and strong interactions between graphene and the local electric field of surface plasmon resonances. The enhanced localized surface plasmon resonances induced by the hybrid nanostructures result in an enhanced intensity and lowered threshold of ASE from the organic single crystals. Moreover, the as-grown graphene sheets covering fully and uniformly on the Cu NPs act as a barrier against oxidation, and results in an enhanced stability of the fluorescence from the crystals. PMID- 29199742 TI - Triangle-, tripod-, and tetrapod-branched ITO nanocrystals for anisotropic infrared plasmonics. AB - While many sophisticated geometries of metallic nanoparticles have been explored for plasmon resonance in the visible light waveband, similar structures for infrared plasmonics have seldom been studied. Herein, for the first time, we report branched colloidal Sn-doped In2O3 (ITO) NCs prepared through heating metal organic precursors in a high boiling solvent and surfactants via a simple one-pot method and their interesting anisotropic infrared plasmonics. Shaped ITO NCs were anisotropically grown into triangles, tripods, and tetrapods from spherical particles by tuning the composition of the surfactants. Interestingly, such anisotropic ITO NCs exhibit shape-dependent localized surface plasmon resonances. A new peak emerged at a low energy band, and the peak intensity increases when the particles become more anisotropic. Meanwhile, a redshift of this newly emerging peak and a blueshift of the original peak can also be observed. The proposed overlapping spheroid model successfully explained those features and the calculated extinction spectra matched excellently with the experimental data. Moreover, the origins of those peaks were also revealed and assigned to in-plane longitudinal and out-of-plane transverse modes, respectively. This work may help design more sophisticated structures for infrared plasmonics and broaden its applications in various areas. PMID- 29199743 TI - Sensing the impact of environment on small molecule differentiation of RNA sequences. AB - Using pattern recognition of RNA with small molecules (PRRSM) with fluorescent RNA chemosensors and aminoglycosides, we reveal the impact of changing environmental conditions on the differentiation of a range of RNA structures as well as the ability to predict different sequence/size compositions of five canonical RNA motifs. PMID- 29199744 TI - Polyaniline and CN-functionalized polyaniline as organic cathodes for lithium and sodium ion batteries: a combined molecular dynamics and density functional tight binding study in solid state. AB - We present the first atomistic-scale simulation of the discharge process of polymeric cathode materials for electrochemical batteries in solid state. The oxidation of polyaniline (PANI) and of cyano groups (CN) functionalized PANI induced by coordination to the electrolyte anions is computed and voltage curves are estimated. To deal with the large required numbers of atoms and structures, a combination of molecular dynamics and density functional tight binding (DFTB) is used. The DFTB is benchmarked to density functional theory (DFT) calculations using different functionals to confirm its accuracy. The voltages computed with the solid state model are in good agreement with available experimental data and ab initio models based on oligomers. The solid state model also predicts substantially increased voltage with PANI functionalized with cyano groups. PMID- 29199745 TI - Tuning the electronic properties of bilayer group-IV monochalcogenides by stacking order, strain and an electric field: a computational study. AB - As the isoelectronic counterpart of phosphorene, monolayer group IV-VI binary MX (M = Ge, Sn; X = Se, S) compounds have drawn considerable attention in recent years. In this paper, we construct four high-symmetry stacking models for bilayer MX to tune their electronic properties. We systematically explore the dynamical and thermal stabilities of all bilayer MX. It is found that five of them are possible at room temperature. Then, we perform first-principles calculations to study how the bilayer structure affects their electronic properties. The results demonstrate that the electronic properties of MX materials can be modulated by forming bilayer structures. Their bandgap can be tuned over a wide range from 0.789 to 1.617 eV, and an indirect-to-direct transition occurs in three cases. Considering the flexibility of bilayer MX, we utilize in-plane uniaxial tensile strain to adjust their band structures and achieve much more indirect-to-direct bandgap transitions. The realization of direct bandgaps will be helpful for their application in next-generation high-efficiency modern nano-optoelectronic and photovoltaic devices. We also study the responses of different bilayer MX to an external vertical electric field. It is found that their bandgaps decrease rapidly with the increase of the electric field. PMID- 29199746 TI - Ultrafast interfacial energy transfer and interlayer excitons in the monolayer WS2/CsPbBr3 quantum dot heterostructure. AB - The idea of fabricating artificial solids with band structures tailored to particular applications has long fascinated condensed matter physicists. Heterostructure (HS) construction is viewed as an effective and appealing approach to engineer novel electronic properties in two dimensional (2D) materials. Different from common 2D/2D heterojunctions where energy transfer is rarely observed, CsPbBr3 quantum dots (0D-QDs) interfaced with 2D materials have become attractive HSs for exploring the physics of charge transfer and energy transfer, due to their superior optical properties. In this paper, a new 0D/2D HS is proposed and experimentally studied, making it possible to investigate both light utilization and energy transfer. Specifically, this HS is constructed between monolayer WS2 and CsPbBr3 QDs, and exhibits a hybrid band alignment. The dynamics of energy transfer within the investigated 0D/2D HS is characterized by femtosecond transient absorption spectrum (TAS) measurements. The TAS results reveal that ultrafast energy transfer caused by optical excitation is observed from CsPbBr3 QDs to the WS2 layer, which can increase the exciton fluence within the WS2 layer up to 69% when compared with pristine ML WS2 under the same excitation fluence. Moreover, the formation and dynamics of interlayer excitons have also been investigated and confirmed in the HS, with a calculated recombination time of 36.6 ps. Finally, the overall phenomenological dynamical scenario for the 0D/2D HS is established within the 100 ps time region after excitation. The techniques introduced in this work can also be applied to versatile optoelectronic devices based on low dimensional materials. PMID- 29199747 TI - Postmodification of a supramolecular organic framework: visible-light-induced recyclable heterogeneous photocatalysis for the reduction of azides to amines. AB - We present the postmodification of a diamondoid 3D supramolecular organic framework (SOF) to append [Ru(BPY)3]2+ groups through the formation of a hydrazone bond. The resulting SOF works as an efficient recyclable heterogeneous catalyst for visible-light-induced reduction of aromatic azides to amines. PMID- 29199748 TI - Zwitterionic stealth peptide-protected gold nanoparticles enable long circulation without the accelerated blood clearance phenomenon. AB - Poly(ethylene glycol) (PEG), which is considered as a gold standard for surface modification of nanoparticles in biomedical applications, has been reported to encounter the accelerated blood clearance (ABC) phenomenon after repeated administration. Herein, as an ideal substitute for PEG, a zwitterionic peptide sequence of alternating negatively charged glutamic acid (E) and positively charged lysine (K) was designed as a good candidate for surface modification of nanoparticles without the ABC phenomenon in vivo. PEG-protected gold nanoparticles (AuNP-PEG) suffered from a serious ABC phenomenon with very fast blood clearance after repeated injection. Meanwhile, the plasma IgM and IgG levels were significantly increased after the repeated injection of AuNP-PEG. However, zwitterionic stealth peptide-protected gold nanoparticles (AuNP-EK10) could avoid the activation of the ABC phenomenon. The increase of IgM and IgG levels was not observed after the repeated injection of AuNP-EK10. More interestingly, compared to AuNP-PEG, more AuNP-EK10 could be accumulated in tumor tissues after repeated injection of the nanoparticles to tumor-bearing nude mice, which might be especially important for the design of drug nanocarriers in cancer therapy. PMID- 29199749 TI - Non-invasive detection of gastric cancer relevant d-amino acids with luminescent DNA/silver nanoclusters. AB - Chirality plays essential roles in life systems such that l-amino acids (LAAs) are predominantly found as the building units of protein for organisms. The presence of the d-enantiomer (DAA) has been found to be specifically relevant to gastric cancer. We herein construct a luminescent DNA/silver nanocluster based biosensing system to achieve rapid and specific detection of DAAs. As a proof of application, we detected DAAs in saliva samples from patients with gastric cancer, and the test results exhibited excellent specificity. Our detection system has the following major advantages: (i) the detection is rapid, being completed in less than 1 hour; (ii) the limit of detection falls in the effective range of DAA concentrations of gastric cancer at an early stage, indicating that our method is potentially suitable for early diagnosis of gastric cancer; (iii) the non-invasive sampling manner provides an adaptable system for point-of-care testing (POCT); and (iv) the system does not require any massive instruments or expensive reagents, which enables POCT as well. PMID- 29199750 TI - High-pressure glass formation of a series of 1-alkyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide homologues. AB - We investigated the stability of the liquid phase of a series of 1-alkyl-3 methylimidazolium bis(trifluoromethanesulfonyl)imide ([Cnmim][TFSI]) homologues with different alkyl chain lengths for 3 <= n <= 10 at room temperature. We found that all [Cnmim][TFSI] samples (n = 3-10) formed a glassy state when pressure was applied. Intriguingly, the glass transition pressure (pg) slightly increases up to n = 5, reaches a plateau at n ? 8, and increases again at n = 10. This is completely different from the high-pressure glass formation of [Cnmim][BF4], where the pg decreases as n increases. We discussed the local structural changes occurring in [Cnmim][TFSI] in view of the conformational changes of the cation and anion, and small-angle X-ray scattering data. It seems that [Cnmim][TFSI] is resistant to external pressure and retains its local liquid structure by conformational adjustments of the cation and anion. PMID- 29199751 TI - A closer look into deep eutectic solvents: exploring intermolecular interactions using solvatochromic probes. AB - Deep eutectic solvents (DESs) constitute a new class of ionic solvents that has been developing at a fast pace in recent years. Since these solvents are commonly suggested as green alternatives to organic solvents, it is important to understand their physical properties. In particular, polarity plays an important role in solvation phenomena. In this work, the polarity of different families of DESs was studied through solvatochromic responses of UV-vis absorption probes. Kamlet-Taft alpha, beta, pi* and ETN parameters were evaluated using different solvatochromic probes, as 2,6-dichloro-4-(2,4,6-triphenyl-N-pyridino)-phenolate (Reichardt's betaine dye 33), 4-nitroaniline, and N,N-diethyl-4-nitroaniline for several families of DESs based on cholinium chloride, dl-menthol and a quaternary ammonium salt ([N4444]Cl). In addition, a study to understand the difference in polarity properties between DESs and the corresponding ILs, namely ILs based on cholinium cation and carboxylic acids as anions ([Ch][Lev], [Ch][Gly] and [Ch][Mal]), was carried out. The chemical structure of the hydrogen bond acceptor (HBA) in a DES clearly controls the dipolarity/polarizability afforded by the DES. Moreover, Kamlet-Taft parameters do not vary much within the family, but they differ among families based on different HBA, either for DESs containing salts ([Ch]Cl or [N4444]Cl) or neutral compounds (dl-menthol). A substitution of the HBD was also found to play an important role in solvatochromic probe behaviour for all the studied systems. PMID- 29199752 TI - Structure and dynamics of solvent molecules inside the polytheonamide B channel in different environments: a molecular dynamics study. AB - The beta6.3-helical channel of the marine cytotoxic peptide, polytheonamide B (pTB), is examined in water, the POPC bilayer, and a 1 : 1 chloroform/methanol mixture using all-atom molecular dynamics simulations. The structures and fluctuations of the beta6.3-helix of pTB are investigated in the three environments. The average structure of pTB calculated in the mixed solvent is in good agreement with the NMR-resolved structure in the mixed solvent, indicating the validity of the parameters used for the non-standard groups in pTB. The configuration and dynamics of solvent molecules inside the pore are examined in detail. It is found that the motions of methanol molecules inside the pore are not correlated because of the absence of strong hydrogen bonds (HBs) between adjacent methanol molecules. On the other hand, the motions of water molecules inside the pore are highly correlated, both translationally and orientationally, due to the strong HBs between neighboring water molecules. It is suggested that the collective behavior of water molecules inside the pore in the membrane is crucial for the permeation of ions through the pTB channel. PMID- 29199753 TI - Effects of rhenium dopants on photocarrier dynamics and optical properties of monolayer, few-layer, and bulk MoS2. AB - We report a comprehensive study on the effects of rhenium doping on optical properties and photocarrier dynamics of MoS2 monolayer, few-layer, and bulk samples. Monolayer and few-layer samples of Re-doped (0.6%) and undoped MoS2 were fabricated by mechanical exfoliation, and were studied by Raman spectroscopy, optical absorption, photoluminescence, and time-resolved differential reflection measurements. Similar Raman, absorption, and photoluminescence spectra were obtained from doped and undoped samples, indicating that the Re doping at this level does not significantly alter the lattice and electronic structures. Red shift and broadening of the two phonon Raman modes were observed, showing the lattice strain and carrier doping induced by Re. The photoluminescence yield of the doped monolayer is about 15 times lower than that of the undoped sample, while the photocarrier lifetime is about 20 times shorter in the doped monolayer. Both observations can be attributed to diffusion-limited Auger nonradiative recombination of photocarriers at Re dopants. These results provide useful information for developing a doping strategy of MoS2 for optoelectronic applications. PMID- 29199754 TI - Clustering and dynamics of particles in dispersions with competing interactions: theory and simulation. AB - Dispersions of particles with short-range attractive and long-range repulsive interactions exhibit rich equilibrium microstructures and a complex phase behavior. We present theoretical and simulation results for structural and, in particular, short-time diffusion properties of a colloidal model system with such interactions, both in the dispersed-fluid and equilibrium-cluster phase regions. The particle interactions are described by a generalized Lennard-Jones-Yukawa pair potential. For the theoretical-analytical description, we apply the hybrid Beenakker-Mazur pairwise additivity (BM-PA) scheme. The static structure factor input to this scheme is calculated self-consistently using the Zerah-Hansen integral equation theory approach. In the simulations, a hybrid simulation method is adopted, combing molecular dynamics simulations of colloids with the multiparticle collision dynamics approach for the fluid, which fully captures hydrodynamic interactions. The comparison of our theoretical and simulation results confirms the high accuracy of the BM-PA scheme for dispersed-fluid phase systems. For particle attraction strengths exceeding a critical value, our simulations yield an equilibrium cluster phase. Calculations of the mean lifetime of the appearing clusters and the comparison with the analytical prediction of the dissociation time of an isolated particle pair reveal quantitative differences pointing to the importance of many-particle hydrodynamic interactions for the cluster dynamics. The cluster lifetime in the equilibrium-cluster phase increases far stronger with increasing attraction strength than that in the dispersed-fluid phase. Moreover, significant changes in the cluster shapes are observed in the course of time. Hence, an equilibrium-cluster dispersion cannot be treated dynamically as a system of permanent rigid bodies. PMID- 29199755 TI - Dynamical properties of heterogeneous nucleation of parallel hard squares. AB - We use the Dynamic Density-Functional Formalism and the Fundamental Measure Theory as applied to a fluid of parallel hard squares to study the dynamics of heterogeneous growth of non-uniform phases with columnar and crystalline symmetries. The hard squares are (i) confined between soft repulsive walls with a square symmetry, or (ii) exposed to external potentials that mimic the presence of obstacles with circular, square, rectangular or triangular symmetries. For the first case the final equilibrium profile of a well commensurated cavity consists of a crystal phase with highly localized particles in concentric square layers at the nodes of a slightly deformed square lattice. We characterize the growth dynamics of the crystal phase by quantifying the interlayer and intralayer fluxes and the non-monotonicity of the former, the saturation time, and other dynamical quantities. The interlayer fluxes are much more monotonic in time, and dominant for poorly commensurated cavities, while the opposite is true for well commensurated cells: although smaller, the time evolution of interlayer fluxes is much more complex, presenting strongly damped oscillations which dramatically increase the saturation time. We also study how the geometry of the obstacle affects the symmetry of the final equilibrium non-uniform phase (columnar vs. crystal). For obstacles with fourfold symmetry, (circular and square) the crystal is more stable, while the columnar phase is stabilized for obstacles without this symmetry (rectangular or triangular). We find that, in general, density waves of columnar symmetry grow from the obstacle. However, additional particle localization along the wavefronts gives rise to a crystalline structure which is conserved for circular and square obstacles, but destroyed for the other two obstacles where columnar symmetry is restored. PMID- 29199756 TI - A ferroelectric liquid crystal confined in cylindrical nanopores: reversible smectic layer buckling, enhanced light rotation and extremely fast electro optically active Goldstone excitations. AB - The orientational and translational order of a thermotropic ferroelectric liquid crystal (2MBOCBC) imbibed in self-organized, parallel, cylindrical pores with radii of 10, 15, or 20 nm in anodic aluminium oxide monoliths (AAO) are explored by high-resolution linear and circular optical birefringence as well as neutron diffraction texture analysis. The results are compared to experiments on the bulk system. The native oxidic pore walls do not provide a stable smectogen wall anchoring. By contrast, a polymeric wall grafting enforcing planar molecular anchoring results in a thermal-history independent formation of smectic C* helices and a reversible chevron-like layer buckling. An enhancement of the optical rotatory power by up to one order of magnitude of the confined compared to the bulk liquid crystal is traced to the pretransitional formation of helical structures at the smectic-A*-to-smectic-C* transformation. A linear electro optical birefringence effect evidences collective fluctuations in the molecular tilt vector direction along the confined helical superstructures, i.e. the Goldstone phason excitations typical of the para-to-ferroelectric transition. Their relaxation frequencies increase with the square of the inverse pore radii as characteristic of plane-wave excitations and are two orders of magnitude larger than in the bulk, evidencing an exceptionally fast electro-optical functionality of the liquid-crystalline-AAO nanohybrids. PMID- 29199757 TI - Visible light driven plasmonic photochemistry on nano-textured silver. AB - Plasmon assisted generation of silver sulfate from dodecanethiol is demonstrated on a nano-textured silver substrate with a strong surface plasmon resonance in the visible range. The observed photo-physical processes are attributed to hot charge carriers that are generated from the excitation of surface plasmon resonances using 532 nm laser light. Excited charge carriers are responsible for cleaving the alkane chain, and for generating reactive oxygen species which rapidly photooxidize the exposed sulfur atoms. The ability to drive photochemical reactions with photon energies in the visible range rather than in the UV, on nano-textured silver surfaces, will enable researchers to study photochemical transformations for a wide variety of applications. The strong optical absorbance across the visible range, combined with the fact that the substrates can be fabricated over large areas, naturally makes them candidates for solar driven photochemical applications, and for large scale plasmonic reactors. PMID- 29199758 TI - Reversible generation of coacervate droplets in an enzymatic network. AB - Cells can control the assembly and disassembly of membraneless organelles by enzymatic processes, but similar control has not been achieved in vitro yet. Here we develop ATP-based coacervate droplets as artificial membraneless organelles that can be fully controlled by two cooperating enzymes. Droplets can be generated within a minute following the addition of phosphoenolpyruvate as a substrate, and they can be dissolved within tens of seconds by adding glucose as the second substrate. We show how the rates of droplet generation and dissolution can be tuned by varying the enzyme and substrate concentrations, and we support our findings with a kinetic model of the underlying enzymatic reaction network. As all steps of the coacervate droplet life cycle, including nucleation, coarsening, and dissolution, occur under the same reaction conditions, the cycle can be repeated multiple times. In addition, by carefully balancing the rates of both enzymatic reactions, our system can be programmed to either form or dissolve droplets at specified times, acting as a chemical timer. PMID- 29199759 TI - XANES study of vanadium and nitrogen dopants in photocatalytic TiO2 thin films. AB - We report an X-ray absorption near edge structure (XANES) study of vanadium (V) and nitrogen (N) dopants in anatase TiO2 thin films deposited by radio-frequency magnetron sputtering. Measurements at the Ti K and V K edges were combined with soft X-ray experiments at the Ti L2,3, O K and N K edges. Full potential ab initio spectral simulations of the V, O and N K-edges were carried out for different possible configurations of substitutional and interstitial dopant related point defects in the anatase structure. The comparison between experiments and simulations demonstrates that V occupies substitutional cationic sites (replacing Ti) irrespective of the film structure and dopant concentration (up to 4.5 at%). On the other hand, N is found both in substitutional anionic sites (replacing O) and as N2 dimers within TiO2 interstices. The dopants' local structures are discussed with reference to the enhanced optical absorption and photocatalytic activity achieved by (co)doping. PMID- 29199760 TI - Effectivity and Cost-effectivity of the Maintenance Electroconvulsive Therapy: A mirror naturalistic analysis. AB - INTRODUCTION: Maintenance Electroconvulsive Therapy (mECT) is a biological long term treatment in which patients receive ECT on periods from 2 to 4 weeks, during a variable period of time, usually for more than 6 months. Recent studies showed the efficacy of mECT in prevention of relapse and recurrences. Our study wants to demostrate the effectivity and cost-effectivity of this therapy in the naturalistic conditions of our area. METHODOLOGY: DESIGN: Retrospective longitudinal study, with mirror analysis in naturalistic conditions. SUBJECTS: Patients attended at the Corporacio Sanitaria Parc Tauli (Sabadell, Catalonia), and included in the mECT program during more than six months. We performed diagnostic following DSM-IV criteria, subdividing the sample in three groups: patients affected of Recurrent Major Depression, Bipolar Disorder and Schizophrenia and Related Disorders. MEASURES: Number and duration of hospitalizations for the previous three years before the beginning of mECT, compared with the same data for the next three years following the beginning of mECT. Comparative analysis of direct hospitalization costs, costs of the mECT and pharmacologic costs. Statistic: Descriptive and non- parametric tests. RESULTS: Sample of 35 patients (1997-2008). There is a significative reduction the number of hospitalizations and days of hospitalization in the total sample and also in each of the three subgroups. The direct total cost decreased but it was only significant in the Bipolar Disorder subgroup, due to the increased pharmacological costs. CONCLUSIONS: mECT in our area is an effective and costeffective treatment with a great impact on the reduction of clinical decline and hospitalizations. PMID- 29199761 TI - Difference in Regional Brain Volume between Fibromyalgia Patients and Long-Term Meditators. AB - BACKGROUND: The practice of meditation has been shown to improve pain-related quality of life and also to alter brain activity. To assess brain volumetry in fibromyalgia (FM) patients, healthy meditators and healthy non-meditator control groups, and to elucidate the possible association between brain changes in meditators and years of meditation practice. METHODS: Twelve patients diagnosed with FM, eleven long-term Zen meditators and ten healthy control subjects closely matched for sex and age were recruited. A high resolution T1-3D sequence was acquired and a high-dimensional DARTEL normalization strategy was applied. Questionnaires on anxiety, depression and cognitive impairment were administered. RESULTS: There was a statistically significant increase in grey matter volume in the Brodmann area 20 (right and left inferior temporal gyri) in patients with fibromyalgia and a significant decrease in the meditator group as compared to controls. On the other hand, there was a significant increase in grey matter volume in fibromyalgia patients as compared to controls and meditators, to the right temporal gyrus (p=0.03, t=6.85) and left temporal gyrus (p=0.04, t=6.31). The number of months of meditation did not correlate with significant grey matter volume changes in the meditator group. CONCLUSIONS: FM and meditation appears to be reliably associated with altered anatomical structure in the Brodmann area 20 (in both inferior temporal gyri), and these changes are associated with anxiety and depression levels. In addition, exploratory morphometric analyses for fibromyalgia patients and meditators may reveal relevant brain regions showing structural diminution in meditation practitioners. Morphologic changes might predispose toward vulnerability to develop a chronic pain state. Such structural diminutions could potentially indicate functional benefits. PMID- 29199762 TI - m-RESIST, a complete m-Health solution for patients with treatmentresistant schizophrenia: a qualitative study of user needs and acceptability in the Barcelona metropolitan area. AB - BACKGROUND: Despite the theoretical potential of m-health solutions in the treatment of patients with schizophrenia, there remains a lack of technological solutions in daily practice. The aim of this study was to measure the receptivity of patients, informal carers, and clinicians to an integral intervention model focused on patients with persistent positive symptoms: Mobile Therapeutic Attention for Patients with Treatment Resistant Schizophrenia (m-RESIST). METHODS: A qualitative study of the needs and acceptability of outpatients with treatment-resistant schizophrenia was carried out in Parc Sanitari Sant Joan de Deu (Barcelona). We analyzed the opinions of patients, informal carers, and clinicians concerning the services initially thought to be part of the solution. Five focus groups and eight interviews were carried out, using discourse analysis as the analytical approach. RESULTS: A webpage and a virtual forum were perceived as suitable to get reliable information on both the disease and support. Data transmission service, online visits, and instant messages were evaluated as ways to improve contact with clinicians. Alerts were appreciated as reminders of daily tasks and medical appointments. Avoiding stressful situations for outpatients, promoting an active role in the management of the disease, and maintaining human contact with clinicians were the main suggestions for improving the effectiveness of the solution. CONCLUSIONS: Positive acceptance of m-RESIST services is related to its usefulness in meeting user needs, its capacity to empower them, and the possibility of maintaining human contact. PMID- 29199763 TI - Domiciliary intervention in psychosis: a systematic review. AB - BACKGROUND: This theoretical study reviews the main findings and research on home based treatment for psychosis. The principal purpose was to analyze the various types of home-based service and make recommendations for a service that would meet the needs of both first-episode and resistant patients. We compare the Early Intervention Service, which aims to reduce the range of untreated psychosis (DUP) with other types of home-care and similar interventions that have already been implemented: crisis resolution home teams (CRHTs), Open Dialogue Approach (ODA), social skills training (SST) and foster homes. METHOD: We searched electronic bibliographic databases including PubMed, PsycINFO, and Discovery for relevant publications appearing between 2005 and 2015. Ninetythree publications were deemed eligible for inclusion; 9 of these were systematic reviews and the rest were scientific papers or books. DISCUSSION: We describe in this review the most widely used home-based interventions, including individual and family therapy. Multidisciplinary teams carry out all the interventions discussed. There does not appear to be a form of psychotherapy, which is effective in treating resistant patients. CONCLUSIONS: Home-based interventions improve adherence to treatment, everyday living and social skills and also have a beneficial impact on family conflicts and other social conflicts. As a whole result, the number of incomes is reduced, patients’ quality of life and autonomy are increased and inclusion and community living are improved. PMID- 29199765 TI - Application of stem cells to the knowledge and treatment of psychiatric diseases. PMID- 29199764 TI - Pharmacogenetics in psychiatry: Clinical case of resistant depression and a previous history of multiple adverse effects. PMID- 29199766 TI - Pentasaccharides for the treatment of deep vein thrombosis. AB - BACKGROUND: Standard treatment of deep vein thrombosis (DVT) is based on antithrombotic therapy, initially with parenteral administration of unfractionated heparin or low molecular weight heparins (LMWH) for five to seven days, then subsequent long-term therapy with oral vitamin K antagonists (e.g. warfarin). Pentasaccharides are novel anticoagulants that may be favourable over standard therapy due to their predictable effect, no need for frequent monitoring or re-dosing, and few known drug interactions. Heparin-induced thrombocytopenia, a harmful effect of heparins, appears to be rare during treatment with pentasaccharides. OBJECTIVES: To assess the efficacy and harms of pentasaccharides for the treatment of deep vein thrombosis. SEARCH METHODS: The Cochrane Vascular Information Specialist (CIS) searched the Specialised Register (22 March 2017) and the Cochrane Central Register of Controlled Trials (CENTRAL) (2017, Issue 2) (searched 22 March 2017). We searched clinical trials databases for details of ongoing or unpublished studies and the reference lists of relevant articles for additional citations. SELECTION CRITERIA: We included randomised controlled trials in which people 18 years of age or older with a DVT confirmed by standard imaging techniques were allocated to receive a pentasaccharide (fondaparinux, idraparinux, or idrabiotaparinux) for the treatment of DVT in comparison with standard therapy or other treatments. DATA COLLECTION AND ANALYSIS: We extracted data characterising the included trials according to the methods, participants, interventions, and outcomes. We assessed risk of bias using Cochrane's 'Risk of bias' tool and employed the GRADE methodology to evaluate the quality of the evidence.The main primary outcome for efficacy was recurrent venous thromboembolism (VTE), and the main primary outcome for harm was major and clinically relevant bleeding. Since our outcomes were dichotomous, we calculated the risk ratio (RR) with a 95% confidence interval (CI). We combined the effects of different comparisons through a meta-analysis using a fixed-effect model. MAIN RESULTS: We included five randomised controlled trials of 6981 participants comparing pentasaccharides with standard therapy or other pentasaccharides. The quality of the evidence varied depending on the outcome and was judged as of moderate to very low quality. We downgraded the quality of the evidence due to risk of bias or imprecision, or both.Two studies evaluated fondaparinux, at doses of 5.0 mg, 7.5 mg, and 10.0 mg, plus vitamin K antagonist in comparison with standard therapy. A meta-analysis of these two studies showed no clear difference in the risk of recurrent VTE (RR 0.80, 95% CI 0.43 to 1.47; 2658 participants); moderate-quality evidence. The frequencies of major bleeding were similar between interventions in the initial period of treatment (approximately five days) (RR 1.15, 95% CI 0.39 to 3.44; 2645 participants) and at three months' follow-up (RR 1.05, 95% CI 0.64 to 1.71; 2645 participants). We judged the quality of the evidence as moderate.One study (757 participants) compared idrabiotaparinux (3.0 mg) with idraparinux (2.5 mg) and demonstrated no clear difference in the risk of recurrent VTE at six months' follow-up (RR 0.72, 95% CI 0.31 to 1.69); low-quality evidence. Major bleeding during the initial treatment period was not reported. Major bleeding at six-month follow-up was less frequent in participants receiving idrabiotaparinux versus participants treated with idraparinux (RR 0.21, 95% CI 0.06 to 0.71); low-quality evidence.The effect of an initial treatment with LMWH followed by three months of idraparinux (10 mg) showed no clear difference from standard therapy for risk of recurrent VTE (RR 1.51, 95% CI 0.26 to 8.90; 263 participants); very low-quality evidence; one study. Major bleeding during the initial treatment period was not reported. The frequency of major and other clinically relevant bleeding at three months' follow up ranged from 2% to 15% in participants receiving LMWH and increasing doses of idraparinux of 2.5 mg, 5 mg, 7.5 mg, or 10 mg. When dosage groups were combined, there was no clear difference in major plus other clinically relevant bleeding or in major bleeding alone between the idraparinux treatment group and the standard therapy group (RR 1.30, 95% CI 0.70 to 2.40; 659 participants; RR 3.76, 95% CI 0.50 to 28.19; 659 participants, respectively); very low-quality evidence.One study (2904 participants) compared idraparinux (2.5 mg) to standard therapy. There was no clear difference in the risk of recurrent VTE at three months' follow-up (RR 0.98, 95% CI 0.64 to 1.48); low-quality evidence. Major bleeding during the initial treatment period was not reported. Major bleeding at three months of follow-up appeared to be similar in the idraparinux group and the standard therapy group (RR 0.71, 95% CI 0.34 to 1.47); very low-quality evidence. AUTHORS' CONCLUSIONS: We found moderate-quality evidence that the effects of fondaparinux at doses of 5.0 mg, 7.5 mg, and 10.0 mg plus vitamin K antagonist are similar in terms of recurrent VTE and risk of major bleeding compared with standard treatment for DVT.Low-quality evidence suggests equal efficacy of idraparinux at 2.5 mg and the equimolar dose of 3.0 mg of idrabiotaparinux with regard to recurrent VTE, but a higher frequency of major bleeding was observed in participants treated with idraparinux.We judged evidence on the effectiveness of idraparinux compared with standard therapy, with or without initial treatment with LMWH, and on associated bleeding risk to be low to very low quality, therefore we have very limited confidence in the estimated effects.The observed similar effectiveness in terms of recurrent DVT and harmful effects in terms of bleeding risk with fondaparinux plus vitamin K antagonist compared to standard treatment for DVT suggest that it may be an alternative to conventional anticoagulants for the treatment of DVT in certain circumstances. PMID- 29199767 TI - Oxcarbazepine for neuropathic pain. AB - BACKGROUND: Several anticonvulsant drugs are used in the management of neuropathic pain. Oxcarbazepine is an anticonvulsant drug closely related to carbamazepine. Oxcarbazepine has been reported to be efficacious in the treatment of neuropathic pain, but evidence from randomised controlled trials (RCTs) is conflicting. Oxcarbazepine is reportedly better tolerated than carbamazepine. This is the first update of a review published in 2013. OBJECTIVES: To assess the benefits and harms of oxcarbazepine for different types of neuropathic pain. SEARCH METHODS: On 21 November 2016, we searched the Cochrane Neuromuscular Specialised Register, CENTRAL, MEDLINE and Embase. We searched the Chinese Biomedical Retrieval System (January 1978 to November 2016). We searched the US National Institutes of Health (NIH) databases and the World Health Organization (WHO) International Clinical Trials Registry Platform for ongoing trials in January 2017, and we wrote to the companies who make oxcarbazepine and to pain experts requesting additional information. SELECTION CRITERIA: All RCTs and randomised cross-over studies of oxcarbazepine for the treatment of people of any age or sex with any neuropathic pain were eligible. We planned to include trials of oxcarbazepine compared with placebo or any other intervention with a treatment duration of at least six weeks, regardless of administration route and dose. DATA COLLECTION AND ANALYSIS: We used standard methodological procedures expected by Cochrane. MAIN RESULTS: Five multicentre, randomised, placebo-controlled, double blind trials with a total of 862 participants were eligible for inclusion in this updated review. Three trials involved participants with painful diabetic peripheral neuropathy (DPN) (n = 634), one included people with neuropathic pain due to radiculopathy (n = 145), and one, which was newly identified at this update, involved participants with peripheral neuropathic pain of mixed origin (polyneuropathy, peripheral nerve injury or postherpetic neuralgia) (n = 83). Some studies did not report all outcomes of interest. For painful DPN, compared to the baseline, the proportion of participants who reported at least a 50% or 30% reduction of pain scores after 16 weeks of treatment in the oxcarbazepine group versus the placebo group were: at least 50% reduction: 34.8% with oxcarbazepine versus 18.2% with placebo (risk ratio (RR) 1.91, 95% confidence interval (CI) 1.08 to 3.39, number of people needed to treat for an additional beneficial outcome (NNTB) 6, 95% CI 3 to 41); and at least 30% reduction: 44.9% with oxcarbazepine versus 28.6% with placebo (RR 1.57, 95% CI 1.01 to 2.44; NNTB 6, 95% CI 3 to 114; n = 146). Both results were based on data from a single trial, since two trials that found little or no benefit did not provide data that could be included in a meta-analysis. Although these trials were well designed, incomplete outcome data and possible unblinding of participants due to obvious adverse effects placed the results at a high risk of bias. There was also serious imprecision and a high risk of publication bias. The radiculopathy trial reported no benefit for the outcome 'at least 50% pain relief' from oxcarbazepine. In mixed neuropathies, 19.3% of people receiving oxcarbazepine versus 4.8% receiving placebo had at least 50% pain relief. These small trials had low event rates and provided, at best, low-quality evidence for any outcome. The proportion of people with 'improved' or 'very much improved' pain was 45.9% with oxcarbazepine versus 30.1% with placebo in DPN (RR 1.46, 95% CI 1.13 to 1.88; n = 493; 2 trials; very low-quality evidence) and 23.9% with oxcarbazepine versus 14.9% with placebo in radiculopathy (RR 1.61, 95% CI 0.81 to 3.20; n = 145).We found no trials in other types of neuropathic pain such as trigeminal neuralgia.Trial reports stated that most adverse effects were mild to moderate in severity. Based on moderate-quality evidence from the three DPN trials, serious adverse effects occurred in 8.3% with oxcarbazepine and 2.5% with placebo (RR 3.65, 95% CI 1.45 to 9.20; n = 634; moderate-quality evidence). The number needed to treat for an additional harmful (serious adverse effect) outcome (NNTH) was 17 (95% CI 11 to 42). The RR for serious adverse effects in the radiculopathy trial was 3.13 (95% CI 0.65 to 14.98, n = 145). The fifth trial did not provide data.More people withdrew because of adverse effects with oxcarbazepine than with placebo (DPN: 25.6% with oxcarbazepine versus 6.8% with placebo; RR 3.83, 95% CI 2.29 to 6.40; radiculopathy: 42.3% with oxcarbazepine versus 14.9% with placebo; RR 2.84, 95% CI 1.55 to 5.23; mixed neuropathic pain: 13.5% with oxcarbazepine versus 1.2% with placebo; RR 11.51, 95% CI 1.54 to 86.15). AUTHORS' CONCLUSIONS: This review found little evidence to support the effectiveness of oxcarbazepine in painful diabetic neuropathy, neuropathic pain from radiculopathy and a mixture of neuropathies. Some very-low-quality evidence suggests efficacy but small trials, low event rates, heterogeneity in some measures and a high risk of publication bias means that we have very low confidence in the measures of effect. Adverse effects, serious adverse effects and adverse effects leading to discontinuation are probably more common with oxcarbazepine than placebo; however, the numbers of participants and event rates are low. More well-designed, multicentre RCTs investigating oxcarbazepine for various types of neuropathic pain are needed, and selective publication of studies or data should be avoided. PMID- 29199768 TI - Invasive versus non-invasive ventilation for acute respiratory failure in neuromuscular disease and chest wall disorders. AB - BACKGROUND: Acute respiratory failure is a common life-threatening complication of acute onset neuromuscular diseases, and may exacerbate chronic hypoventilation in patients with neuromuscular disease or chest wall disorders. Standard management includes oxygen supplementation, physiotherapy, cough assistance, and, whenever needed, antibiotics and intermittent positive pressure ventilation. Non invasive mechanical ventilation (NIV) via nasal, buccal or full-face devices has become routine practice in many centres. OBJECTIVES: The primary objective of this review was to compare the efficacy of non-invasive ventilation with invasive ventilation in improving short-term survival in acute respiratory failure in people with neuromuscular disease and chest wall disorders. The secondary objectives were to compare the effects of NIV with those of invasive mechanical ventilation on improvement in arterial blood gas after 24 hours and lung function measurements after one month, incidence of barotrauma and ventilator-associated pneumonia, duration of mechanical ventilation, length of stay in the intensive care unit and length of hospital stay. SEARCH METHODS: We searched the following databases on 11 September 2017: the Cochrane Neuromuscular Specialised Register, CENTRAL, MEDLINE and Embase. We also searched conference proceedings and clinical trials registries. SELECTION CRITERIA: We planned to include randomised or quasi randomised trials with or without blinding. We planned to include trials performed in children or adults with acute onset neuromuscular diseases or chronic neuromuscular disease or chest wall disorders presenting with acute respiratory failure that compared the benefits and risks of invasive ventilation versus NIV. DATA COLLECTION AND ANALYSIS: Two review authors reviewed searches and independently selected studies for assessment. We planned to follow standard Cochrane methodology for data collection and analysis. MAIN RESULTS: We did not identify any trials eligible for inclusion in the review. AUTHORS' CONCLUSIONS: Acute respiratory failure is a life-threatening complication of acute onset neuromuscular disease and of chronic neuromuscular disease and chest wall disorders. We found no randomised trials on which to elaborate evidence-based practice for the use of non-invasive versus invasive mechanical ventilation. For researchers, there is a need to design and conduct new randomised trials to compare NIV with invasive ventilation in acute neuromuscular respiratory failure. These trials should anticipate variations in treatment responses according to disease condition (acute onset versus acute exacerbation on chronic neuromuscular diseases) and according to the presence or absence of bulbar dysfunction. PMID- 29199769 TI - Peritoneal dialysis for acute kidney injury. AB - BACKGROUND: Peritoneal dialysis (PD) has been suggested as an effective and safe dialysis modality in patients with acute kidney injury (AKI). However, whether PD is superior to extracorporeal therapy (e.g. haemodialysis) in terms of improving survival, recovery of kidney function, metabolic and clinical outcomes is still inconclusive. OBJECTIVES: The aim of this review was to evaluate the benefits and harms of PD for patients with AKI compared with extracorporeal therapy or different PD modalities. SEARCH METHODS: We searched the Cochrane Kidney and Transplant Register of Studies to 29 May 2017 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal, and ClinicalTrials.gov. We also searched the China Biological Medicine Database. SELECTION CRITERIA: We included patients with AKI who were randomised to receive PD, extracorporeal therapy, or different PD modalities regardless of their age, sex, primary disease and clinical course. DATA COLLECTION AND ANALYSIS: Screening, selection, data extraction and quality assessments for each retrieved article were carried out by two authors using standardised forms. Authors contacted when published data were incomplete. Statistical analyses were performed using the random effects model and results expressed as risk ratio (RR) with 95% confidence intervals (CI). Heterogeneity among studies was explored using the Cochran Q statistic and the I2 test. Outcomes of interest included all cause mortality, recovery of kidney function, weekly delivered Kt/V, correction of acidosis, fluid removal, duration of dialysis, and infectious complications. Confidence in the evidence was assessing using GRADE. MAIN RESULTS: Six studies (484 participants) met our inclusion criteria. Five studies compared high volume PD with daily haemodialysis, extended daily haemodialysis, or continuous renal replacement therapy. One study focused on the intensity of PD. The overall risk of bias was low to unclear. Compared to extracorporeal therapy, PD probably made little or no difference to all-cause mortality (4 studies, 383 participants: RR 1.12, 95% CI 0.81 to 1.55; I2 = 69%; moderate certainty evidence), or kidney function recovery (3 studies, 333 participants: RR 0.95, 95% CI 0.68 to 1.35; I2 = 0%; moderate certainty evidence). PD probably slightly reduces the amount of fluid removal compared to extracorporeal therapy (3 studies, 313 participants: MD -0.59 L/d, 95% CI -1.19 to 0.01; I2 = 89%; low certainty evidence), and probably made little or no difference to infectious complications (2 studies, 263 participants: RR 1.03, 95% CI 0.60 to 1.78; I2 = 0%; low certainty evidence). It is uncertain whether PD compared to extracorporeal therapy has any effects on weekly delivered Kt/V (2 studies, 263 participants: MD -2.47, 95% CI -5.17 to 0.22; I2 = 99%; very low certainty evidence), correction of acidosis (2 studies, 89 participants: RR 1.32, 95% CI 0.13 to 13.60; I2 = 96%; very low certainty evidence), or duration of dialysis (2 studies, 170 participants: MD -1.01 hours, 95% CI -91.49 to 89.47; I2 = 98%; very low certainty evidence). Heterogeneity was high and this may be due to the different extracorporeal therapies used.One study (61 participants) reported little or no difference to all-cause mortality, kidney function recovery, or infection between low and high and intensity PD. Weekly delivered Kt/V and fluid removal was lower with low compared to high intensity PD. AUTHORS' CONCLUSIONS: Based on moderate (mortality, recovery of kidney function), low (infectious complications), or very low certainty evidence (correction of acidosis) there is probably little or no difference between PD and extracorporeal therapy for treating AKI. Fluid removal (low certainty) and weekly delivered Kt/V (very low certainty) may be higher with extracorporeal therapy. PMID- 29199770 TI - The organ transplanted patient in the dental clinic PMID- 29199771 TI - Cling film as storage medium for avulsed teeth. An in vitro pilot study AB - The long-term prognosis of avulsed teeth primarily depends on the behavior at the scene of the accident. Lay people are not able to perform an immediate replantation. Therefore, particular significance belongs to the cellphysiologic storage of avulsed teeth. The aim of this pilot study was to evaluate whether cling film facilitates the survival of periodontal ligament cells in vitro. For this purpose, healthy human third molars were used. They were cut into root slices, which were stored in one of five test media: SOS Zahnbox (r) , UHT milk (4 degrees C), sterile isotonic saline solution, tap water, and cling film. Following storage periods of 2 hours, 6 hours, and 24 hours in the respective medium, slices were cultivated at 37 degrees C and 5% CO 2 . After 2 days, 7 days, and 14 days in culture, surviving periodontal ligament cells of each slice were assessed quantitatively. Apart from tap water, all investigated media promoted cell survival. At the time of 2 hours, storage in cling film facilitated the highest cell growth compared to all other media. At the time of 6 hours, teeth stored in cling film sho wed cell growth comparable to that observed in the SOS Zahnbox (r). The results of this pilot study indicate that cling film possibly could be used as an alternative transport medium for a storage period of up to 6 hours. PMID- 29199772 TI - [Not Available]. PMID- 29199773 TI - ? PMID- 29199774 TI - [Not Available]. PMID- 29199775 TI - [Not Available]. PMID- 29199776 TI - The organ transplanted patient in the dental clinic PMID- 29199777 TI - Current follow-up of a breast cancer patient. AB - The number of patients with breast cancer is on the rise, which leads to an increasing number of patients in need of follow-up and support for recovery from treatments. The disease will recur in one out of five patients. With the exception of imaging of the breasts carried out at intervals of 1 to 2 years, frequent appointments or imaging have not been shown to be beneficial for the prognosis. Follow-up care of breast cancer is well suited to be carried out by the nursing staff. The status of mobile applications developed for patient monitoring as part of the surveillance is becoming more clear. PMID- 29199778 TI - Influence of ethnicity on vertical jump performances in male physical education students: a pilot study. AB - BACKGROUND: The present study aimed to: i) test the possibility of ethnic differences in squat jump (SJ), countermovement jump (CMJ) and countermovement jump with arms swing (CMJA); ii) test the possibility of ethnic differences in the effects of countermovement and arms swing; iii) verify whether the relationships between the different vertical jumps VJ (SJ, CMJ, CMJA) and maximal power (Pmax), determined from a force-velocity test (F-V), were dependent on the ethnicity as previously found for CMJA. METHODS: VJ were performed by 84 active men (WAC): 40 WA and 44 C. VJ were measured on a force platform in three conditions: SJ, CMJ and CMJA. For technical reasons, only 39 of these participants (WA2C2) performed F-V test [V=V0(1-F/F0) and maximal power=0.25 V0F0]: 20 WA (WA2) and 19 C (C2). RESULTS: There were significant ethnic differences (WA > C) in SJ, CMJ, CMJA, CMJA-CMJ, CMJA/CMJ. The effect sizes (Cohen d) of these ethnic differences were large for CMJA (0.93), CMJA-CMJ (1.11) CMJA/CMJ (0.82) and medium for CMJ (0.54) and SJ (0.56). Ethnic effect in the countermovement jump was small (Cohen d=0.04 for CMJ-SJ) and not significant. CONCLUSIONS: For WA2C2, the slightly higher value of Pmax in WA2 (Cohen d =0.23) probably explained their slightly higher values of SJ, CMJ but not their higher values of CMJA and arms swing effect. In WA2C2, a difference in fast-fibre percentages was not the explanation of the ethnic differences because the optimal pedal rates corresponding to Pmax (0.5 V0) were similar in both groups. PMID- 29199779 TI - Analysis of muscular activity in archery: a comparison of skill level. AB - AIM: A series of archery shooting movements requires strong activity of muscles attached to the shoulder girdle and upper extremity. It is unclear which muscles influence archery competition scores. This study aimed to compare muscle activity of the shoulder girdle and upper extremity during shooting movements and to analyze the muscles influencing in archeryskill improvement. METHODS: Thirty male archers, who were divided into three groups based on skill level (elite, preelite, and beginner), were included in this study. The angle of shoulder joint abduction, horizontal extension, and elbow joint flexion, as well as the electromyographic activity of the upper trapezius, lower trapezius, deltoid middle, deltoid posterior, biceps brachii, and triceps brachii muscles at the point of stabilization during shooting, were measured. RESULTS: In the elite group, the activity of the lower trapezius muscle was significantly higher (P < 0.05), while that of the biceps brachii and triceps brachii muscles were significantly lower (P < 0.05) compared to the preelite and beginner groups. CONCLUSIONS: The lower trapezius muscle of the draw arm is actively involved in scapular fixation during shooting. Therefore, in order to improve the archery competition score, training focused on the lower trapezius muscle is necessary. PMID- 29199780 TI - Effects of increased training volume during a 10 day training camp on competitive performance in national level youth swimmers. AB - BACKGROUND: The purpose of this study was to investigate the effects of increased training volume during a 10 day training camp on competitive performance and internal training load (ITL). In addition, coach and swimmer rating of perceived exertion (RPE) for each session was compared. METHODS: Ten national level swimmers (Gender: 4 males and 6 females; age: 15+/-1 years; height: 170.5+/-6.4 cm; body mass: 61.4+/-7.4 kg) participated in the training camp which involved a 36% increase in swimming volume. Competitive performance, as assessed using the FPS (FINA points system), was recorded pre and post-camp. Internal training load was recorded using the Session-RPE method and RESTQ-52 Sport questionnaire for each session and for day 1, 5 and 10 of the camp, respectively. Coach RPE was recorded after each training session for coach-swimmer RPE comparisons. RESULTS: Competitive performance increased by 7.1% from pre-camp to post-camp (P=0.001, dz=1.6). Session-RPE increased between day 1 and all other days of the training camp (P<0.05), except day 6 (P=0.221). The injury scale of the RESTQ questionnaire increased from day 1 to day 5 (P=0.022). Across 16 swimming sessions, there was a strong correlation between coach and swimmer RPE (rs=0.76) however RPE was found to be higher for the swimmers than the coach (P=< 0.0005) during moderate training sessions. CONCLUSIONS: These findings suggest that a 36% increase in swimming volume during a 10 day training camp resulted in significant changes to competitive performance and ITL. However, coach and swimmer RPE should be monitored closely during future camps. PMID- 29199781 TI - Velocity distribution of women's 30-km cross-country skiing during Olympic Games from 2002-2014. AB - BACKGROUND: Within several investigated endurance sport disciplines the distribution of load of the best competitors has a manner of evenly or slightly rising velocity values. Unfortunately many other competitors have usually diminishing values or when they are very poor they have evenly values. The aim of this study was to investigate distribution of velocity within 30-km cross-country female skiers. METHODS: Cross-country skiing runs were investigated of Olympic Games 2002-2014 (Salt Lake City, Turin, Vancouver, Sochi). At every race two 15 km or three 10 km loops of the same vertical profile were taken into account. The competitors were divided onto: A - winners, B - medallists, C - competitors who obtained places 4 to 10 at the finish line (medium runners), D - competitors who obtained places 11 to 30 at the finish line (poor runners). Velocity data presented on the web pages of several institutions were utilized. RESULTS: The competitors had their velocity distributed in a manner with usually diminishing values. While comparing velocity of sequential loops with the mean velocity the difference for the poor runners reached the value of almost 6 %, which was too high. There was significant (usually negative) correlation coefficient between values of velocity deviation for the first and second loops and the mean value of velocity for the entire distance for the better runners and mixed, i.e. positive and negative values for the poorer runners. CONCLUSIONS: It was postulated investigations of velocity distribution should be introduced in coaching in order to inform competitors about their running. This advise is especially important for the poorer runners. Up to now cross country skiers run for themselves. It should be discussed whether the tactics used by road and track runners, i.e. running with pace makers, can be introduced in cross country skiing. Also the use of a drone during training can be used in order to maintain proper pace. PMID- 29199782 TI - Anthropometric and physiological characteristics of male Soccer players according to their competitive level, playing position and age group: a systematic review. AB - BACKGROUND: The aim of the present systematic review was to profile soccer players' anthropometric, physiological, and physical attributes relative to different competitive levels, playing positions and age groups. METHODS: The systematic search was conducted using different databases and according to the Population/Intervention or Exposure/Comparison/Outcome(s) [PICO] criteria. RESULTS: The present review shows that the somatotype characteristics, percentage (%) of body fat, maximal oxygen uptake (VO2max), repeatedsprint ability (RSA), running speed, strength, and muscular power of the lower limbs were the most powerful discriminators between male soccer players of different competitive levels, playing positions, and age groups. Specifically, higher VO2max, muscle strength, muscular power (vertical jump height), running speed (1030 m) and agility, and lower % of body fat were identified in elite soccer players (higherlevel) compared to all other competitive levels (i.e., lowerlevel: subelite, amateur, recreational). As for the competitive level differences, higher VO2max, mean anaerobic power, RSA and sprint performances (5 to 20 m), and lower % of body fat and lower limbs' explosive capabilities (countermovement jump (CMJ) and squat jump (SJ)) were found in outfielders (forwards, midfielders, and defenders) as compared to goalkeepers, from a very youth age (8 years old). Concerning age related performance, it appears that physical performance increased significantly with age. CONCLUSIONS: These data, together with the fact that each position, age category, and playing level has a different physiological background in male soccer players, demonstrate that training programs should be individualized to each position, playing level and age category, as is already done with goalkeepers. PMID- 29199783 TI - Physical and technical demands of elite beach volleyball according to playing position and gender. AB - BACKGROUND: Beach volleyball is a team sport played by two teams of two players on a sand court divided by a net. To date, research has mainly focused on male beach volleyball players. Therefore, the aim of this study was to assess work rest ratio and physical actions between males and females according to their role. METHODS: Forty-two elite beach volley players (24 males and 18 females) were filmed during 12 beach volleyball matches of the Swatch Major Series 2016 of the beach volleyball World Tour in Porec in (Croatia). Duration of point rallies, work rest ratio and the number of jumps and hits performed by the players according to their role (blockers and defenders) were recorded. RESULTS: Twenty one teams (12 males and 9 females) were recorded during a total of 12 matches comprising 11 sets for males and 9 sets for females. Males scored a total of 428 points whereas females scored 440 points. Un-paired t-test did not show significant differences between males and females. Two-way analysis of variance showed a significant difference in the jumps performed between blockers and defenders and not between males and females. No significant differences in the other variables were detected. CONCLUSIONS: The present study provides new inside into female beach volleyball matches, giving preliminary normative data. Technical and physical aspects of beach volleyball performance appear not to be influenced by gender and to be only partially different according to playing positions. These results should be considered during the daily training scheduling. PMID- 29199784 TI - Effectiveness of individual counselling and activity monitors to promote physical activity among university students. AB - BACKGROUND: Physical activity (PA) promotion among university students is important to contribute to a lifelong healthy lifestyle. Nevertheless, research in the field is still limited in quantity, quality and generalizability. This study aimed at evaluating the effectiveness of two individual-based strategies for promoting PA among university students in such university contexts where course-based interventions are difficult to implement. METHOD: Thirty-three university students were recruited by means of face-to-face interviews and randomly assigned to three groups. The first group attended individual counselling sessions (based on the Social-Cognitive theory and the Transtheoretical model of behaviour change) via videoconferencing calls, the second used wearable PA monitors designed to motivate to PA, and the third served as control. Interventions lasted 12 weeks. Measures of weekly PA (self-reported by questionnaires and recorded by ActiGraph-GT3X+ monitors) and the stage of change of participants were collected at baseline (t0), immediately after the 12 week intervention (t1), and after a 3-month follow-up (t2). RESULTS: Students in the individual counselling group increased self-reported energy expenditure between t0 and t1 and maintained this improvement at t2; on the contrary, there was no increase in ActiGraph measures of PA. Progression through stages of changes was observed in the same group at t1, followed by some relapses at t2. No significant differences were found neither in the group of students who used the PA monitors nor in the control group. CONCLUSIONS: Although measures of self reported PA and stage of change suggest the effectiveness of the counselling intervention, the results obtained with accelerometers are contrasting, probably due to the fact that some types of PA participants engaged in could not be recorder by accelerometers. Further studies are needed to determine the efficacy of individual counselling to promote PA in university students. The autonomous use of PA monitors had no effects on PA behaviour. The low participation rate in the study suggests to consider carefully the difficulties in motivating this population and in finding low time- consuming strategies to incentive participation. PMID- 29199785 TI - Acute effect of moderate-intensity concentric and eccentric exercise on cardiac effort, perceived exertion and interleukin-6 level in physically inactive males. AB - BACKGROUND: Muscle-derived interleukin-6 (IL-6) not only enhances glucose and fat metabolism but also has an anti-inflammatory effect that can prevent the development of cardiovascular disease (CVD) and metabolic syndrome. Dynamic resistance exercise comprises a muscle shortening and a lengthening phase known as concentric and eccentric contraction respectively. We compared an acute bout of concentric exercise (CE) with eccentric exercise (EE) for the serum IL-6 concentration, myocardial oxygen consumption (MVO2) and rating of perceived exertion (RPE). METHODS: The present non-randomized crossover study involved 24 physically inactive but apparently healthy males, aged 18-25 years with body mass index of 18.5-23 kg/m2. Each participant performed an acute bout of moderate intensity CE followed by an EE bout after two weeks of rest. Exercise bout lasted for about 45 minutes that involved brisk walking on a treadmill at +/-21% gradient for approximately 30 minutes, followed by the dumbbell exercises for biceps, triceps, quadriceps and hamstring muscles. MVO2 and IL-6 were estimated by the rate pressure product (RPP) and ELISA (enzyme-linked immunosorbent assay) kit respectively. Participants told their RPE after the workout. Wilcoxon or paired-t test were applied appropriately to compare the means. P<0.05 was considered significant. RESULTS: RPP, RPE, and serum IL-6 were significantly less after EE (164.4 +/-16.3, 12, 11.0+/-5.0 respectively) than CE (191.2+/-22.9, 13, 12.0+/-6.3 respectively). A significant, strong and positive correlation of RPE was obtained with post-exercise heart-rate and RPP. CONCLUSIONS: Regular EE might be beneficial for individuals having a low tolerance to exertion or at risk of developing CVD. PMID- 29199786 TI - Analysis of the acceleration profile according to initial speed and positional role in elite professional male soccer players. AB - BACKGROUND: The aim of the current study was to analyse the acceleration profile in elite professional soccer players according to their initial speed but also considering players' position. METHODS: Players' accelerations profiles were analysed using a relative acceleration profile according to the initial speed (S1, from 0 to 7 km/h; S2, from 7.1 to 14.3 km/h; and S3, >=14.4 km/h) and the maximum acceleration. RESULTS: Within-group analyses showed that Center Backs (CB) performed more high intensity accelerations (likely) when they started in S1 than S2 (ES: 0.50). Strikers (S) and Wide Midfielders (W-MD) achieved more accelerations (likely to almost certain) starting in S3 than S1 (ES: 0.80 and 0.59, respectively) and S2 (ES: 0.67 and 1.09, respectively). Full Backs (FB) completed more accelerations (almost certain) starting in S1 and S3 than S2 (ES: 1.39 and 1.36, respectively). Finally, Midfielders (MD) executed a greater number of high intensity accelerations (likely to almost certain) when they started in S1 than S2 (ES: 0.83) and S3 (ES: 0.66), and in S3 than S2 (ES: 4.72). Between group analyses showed that S, W-MD, and FB performed a greater total number of high intensity accelerations (very likely to almost certain) than CB (ES: 1.94, 1.57, and 1.51, respectively) and MD (ES: 1.23, 0.92; and 0.81, respectively). Furthermore, MD performed substantially greater total number of high intensity accelerations (likely) than CB (ES: 0.56). CONCLUSIONS: Results suggest that CB achieved more high-intensity accelerations starting in low and moderate speed, S and W-MD in high speed, and FB combined low and high speed. PMID- 29199787 TI - Concussion prevention in youth sports: what have we overlooked? PMID- 29199788 TI - Adaptive thermogenesis and changes in body composition and physical fitness in army cadets. AB - BACKGROUND: To analyze the association between a 34-week military training on body composition, physical fitness and compensatory changes in resting energy expenditure (REE) recognized as adaptive thermogenesis (AT). We also explored if regional body composition changes were related to AT. METHODS: Twenty-nine male army cadets, aged 17 to 22 years were tested at baseline (T0) and after 34-weeks military training (T1). Physical training was performed 5 days/week during 90 minutes/day. Measurements included body composition by dual-energy x-ray absorptiometry; physical fitness by 3000-m running, pull-up, 50-m freestyle swimming, push-up and sit-up tests; REE measured by indirect calorimetry (REEm) and predicted from fat-free mass (FFM), fat mass (FM) and ethnicity at T0 (REEp). %AT was calculated using values at T1: 100(REEm/REEp-1); and AT (kcal/day) as %AT/100 multiplied by baseline REEm. RESULTS: Physical training was associated with increases of lean soft tissue (LST) (?1.2+/-1.3 kg), FM (?1.4+/-1.3 kg), FFM (?1.2+/-1.3 kg) and physical fitness (P<0.01), but no REE changes (?59.6+/-168.9 kcal/day) and AT were observed (P>0.05). Though a large variability was found, AT was partially explained by trunk LST (r2=0.17, P=0.027). Individuals showing a higher AT response demonstrated a higher trunk LST increase (?0.8+/-0.7 kg, P<0.05). CONCLUSIONS: The military training increased LST, FM, FFM and physical fitness. Though no mean changes in AT occurred, a large individual variability was observed with some participants increasing REE beyond the expected body composition changes, suggesting a spendthrift phenotype. Changes of trunk LST may play an important role in the AT response observed in these individuals. PMID- 29199789 TI - Caffeine, acute static stretching and maximum knee flexion strength. AB - BACKGROUND: Reductions in one repetition maximum lifts (1RM) following static stretching can be attributed to enhanced neural inhibition, which can be reduced by using stimulants like caffeine. This study compared knee-flexion 1RM following either static stretching (SS) or no-stretching (NS), as well as after ingesting either caffeine (C) or placebo (P). METHODS: Twenty-four participants (12 female, 12 male) performed four random counterbalanced knee flexion 1RM tests. A 1RM test was performed for each condition at the same time of day with ~48 h separating each test. Static stretching consisted of 5 exercises with the 1RM being performed immediately following the stretching. Caffeine dose was 6 mg*kg-1 body weight, and the placebo was methylcellulose (520 mg). Both doses were administered as pills 60 min before the SS or NS procedures. RESULTS: Two-way repeated measures ANOVA showed a significant main effect for [NS vs. SS] (p <0.001, etaG2 = 0.23). The main effect for [C vs. P], and the interaction between [C vs. P] and [NS vs. SS] were not statistically different. Average (+/- standard deviation) 1RM (N) were as follows: CNS = 512 +/- 242, CSS = 474 +/- 241, PNS = 498 +/- 247, and PSS = 460 +/- 247. CONCLUSIONS: It is concluded that static stretching induced strength decrements are not removed by using stimulants at doses allowed by sport governing organizations. PMID- 29199790 TI - Injury epidemiology in Italian soccer: a call for action. PMID- 29199791 TI - Radiation protection - still necessary? AB - Knowledge about the effects of small doses of radiation on health is accumulating, and for example the maximum level of occupational exposure allowed for the lens of the eye will be lowered in the next radiation law. Radiographic examinations are carried out at various departments in a hospital. Although the numbers of examinations have decreased in Finland, the examinations are more complex, and more radiation than before as well as longer fluoroscopy times are utilized in them. The guidelines for radiation are consistent despite the fact that there is large variation in the radiologic studies and procedures performed at different departments. PMID- 29199792 TI - Are dietary supplements necessary for a healthy person? AB - A dietary supplement differs from conventional foods in its appearance or way of using. The formulation of a dietary supplement often resembles that of medicines. Research evidence of the benefits of dietary supplements for healthy people is insufficient. A balanced, health-promoting diet will secure adequate intake of nutrients and, based on studies, is beneficial for the prevention of numerous diseases. The use of dietary supplements is justified, if giving variety to a diet that is inadequate in its nutritive content is not possible or successful. The use should be based on careful examination of the diet as well as on reliable biochemical assays. PMID- 29199793 TI - The effect of elimination diet on the growth of a child with milk allergy - a systematic review. AB - BACKGROUND: Cow's milk is the most common food allergen in children under 3 years of age. Milk allergy is treated by eliminating milk from the diet. METHODS: The present study was conducted according to international guidelines for systematic reviews. RESULTS: In all three articles included in the current study, children with milk allergy were of lower weight than the controls. Furthermore, in one of the studies included, growth of the children with mild allergy was stunted. DISCUSSION: The current review shows that milk allergy is associated with stunted growth in childhood. The reasons for this growth retardation are unclear. PMID- 29199794 TI - Emergency medicine residents in the implementation of thrombolysis for acute ischemic stroke. AB - BACKGROUND: Traditionally, neurologists have been in charge of thrombolytic treatment of ischemic stroke. In 2013, emergency medicine residents started working in the frontline at the Central Hospital of Central Finland (CHCF). They were trained to evaluate and give thrombolytic treatment to acute ischemic stroke patients out of hours, with the possibility of consulting a neurologist. MATHERIALS AND METHODS: Retrospective study of acute stroke patients in CHCF, who received thrombolytic therapy during 2012 and 2014. In 2012 thrombolytic treatment was initiated by neurologists only, In 2014 emergency medicine registrars initiated thrombolytic therapy out of hours. RESULTS: The annual number of tissue plasminogen activator treatment (tPA) increased and door-to needle time significantly decreased from 2012 to 2014. There were no significant differences in complications and overall functional capacity at 3 months. CONCLUSIONS: This study indicated that training of emergency medicine physicians to give thrombolytic treatment to acute ischemic stroke is feasible and may shorten in-hospital delays. PMID- 29199795 TI - The diagnostics of prostate cancer is changing. AB - The alternative to immediate radical treatment of prostate cancer is active surveillance, to which an estimated 30% of new patients with prostate cancer could be directed on the basis of risk classification. Active surveillance is based on repeated PSA measurements, digital rectal examination, repeat biopsies, and increasingly also on MRI. The most important prognostic factor in prostate cancer is still the Gleason score, forming the basis for the new grade group classification with the purpose of rendering active surveillance of prostate cancer a form of treatment that is more easily acceptable for the patients. MRI enables a more reliable selection of low-risk prostate cancer patients for active surveillance. The significance of MRI as a surveillance tool remains unclear. PMID- 29199796 TI - Ischemic stroke and TIA. AB - The key steps to improve the outcome are early diagnosis of TIA and stroke symptoms, access to thrombolytic and thrombectomy therapy, urgent medical secondary prevention and acute care in a dedicated stroke unit where assessment and rehabilitation are started and carried out by a multi-professional rehabilitation team. Long-term outcome is also improved by reinforced screening of specific etiologies such as atrial fibrillation and carotid stenosis. PMID- 29199797 TI - Working in the emergency department. AB - In Finland, there is a trend towards joint regional emergency departments where emergency medicine specialists work together with physicians from specialties. This collaboration will benefit the care process management and patient care. Moreover, an observation unit is an essential part of the modern emergency department. PMID- 29199798 TI - Specialist training of Emergency Medicine in Finland. AB - Emergency Medicine with a six-year specialist training became a main specialty in Finland in the beginning of 2013. Specialist training has developed very quickly over just a few years. In the frontline clinics, the clinical results have already reached high international quality. When developing a new specialty, not only active research and high-quality training but also good co-operation with other specialties are of utmost importance. PMID- 29199799 TI - Modern emergency care is aimed at a safe and quick discharge of the patient. AB - In Finland, there has been a need to develop emergency care in the past years because of the government's statutes and the need to meet the international standards. Emergency medicine as a newcomer specialty has encouraged the process. Emergency physicians are expected to take more responsibility of patient flow and treatment in the emergency departments (ED). The observation unit is an important part of the ED. It allows patients to be treated on a short-term basis, and patient care is efficient due to the close communication between specialties. Patient selection is in the essence of a well-functioning observation ward. PMID- 29199800 TI - Straightforward emergency care. AB - Emergency department is a showroom of its organization and an entry point to the hospital. The negative impact of sluggish processes and overcrowding in the ED is well acknowledged. Several tools can be used to improve patient flow in the ED. The specialty of emergency medicine is a crucial element which enables the establishment of stable, well-educated staff in the ED. PMID- 29199801 TI - Relevance in biology and mechanisms of immune and treatment evasion of Treponema pallidum: a review. AB - INTRODUCTION: During syphilis a compelling fight is engaged between the host's humoral and cellular immune responses that work to eliminate the infection and Treponema pallidum (T. pallidum) that manages to evade eradication and cause chronic infection. Different mechanisms are utilized by treponemes to overcome immunological response. Although penicillin (BPG) proved to be effective in quelling the early manifestations of the disease and consequently its contagiousness, questions remain about its ability to prevent the late complications and to provide a microbiological eradication in vivo. In fact, both serological and microbiological failures have been reported following conventional treatment. EVIDENCE ACQUISITION: We reviewed some biologic properties of T. pallidum in order to establish a relationship with the persistence of the infection and the alleged treatment resistance. EVIDENCE SYNTHESIS: The host humoral response, sometimes, may not protect completely against T. pallidum and accounts for the persistent infection and tertiary damages. In fact, the cell mediated response during infection may be downregulate in response to pathogen-derived molecules, or indirectly by generating Treg cells. It is also possible that there are strain types of T. pallidum with higher ability of evasion determining neurosyphilis. In addition, apart the impressive results that BPG has made on the syphilis cutaneous lesions, concerns still remain on its efficacy in preventing late complications. CONCLUSIONS: Understanding the biology of the T. pallidum may help researchers in this field to develop future target therapies in order to prevent persistent infection and progression of the disease. PMID- 29199802 TI - Skin eruption and cholestatic hepatic injury due to vismodegib. PMID- 29199803 TI - Keloid like reaction to cocaine use. PMID- 29199804 TI - Contact allergy: an update. AB - Contact allergies are common cause of eczema in all age groups and are one of the most common causes of occupational disability. Contact dermatitis (CD) can be divided into irritant and allergic contact dermatitis. Distinguishing between irritant and allergic triggers of CD by clinical and histologic examinations can be challenging. The approach to patients with CD should consist of a detailed (work and leisure) history, skin examination, patch tests with allergens based on history, physical examination, education on materials that contain the allergen and adequate therapy and prevention. PMID- 29199805 TI - " Nature step" to prevent noncommunicable inflammatory disease. AB - The prevention of many diseases has significantly improved by intervening in known risk factors. However, the causes of the increase in allergy and type 1 diabetes are unknown. These diseases are often associated with a low-grade inflammation and immunological imbalance. The lifestyle and environment of urbanized populations have changed causing imbalance in the human normal flora and affecting immune regulation. We discuss everyday factors affecting immune regulation, using allergy as an example. Health may be promoted through the "nature step", by supporting the connection between humans and nature. PMID- 29199806 TI - Selective progesterone receptor modulators: new possibilities for gynecologic hormone therapy. AB - Progesterone regulates several female reproductive functions. Progesterone and synthetic progestins derived from it have long been utilized in gynecology. The effects of these steroids in target cells are mediated via progesterone receptors, Progesterone receptors are also the target of action of selective progesterone receptor modulators. Of the molecules of this newer group of drugs, two are presently in clinical use. Mifepristone is used in nonsurgical abortion, in softening of the cervix before surgical abortion, and in the induction of labor in cases of intrauterine death. The indications of ulipristal acetate are postcoital contraception and treatment of uterine myomas and the resulting symptoms. PMID- 29199807 TI - Health risks of drugs in Finland - can the risks be managed? AB - In the HUUTI consortium research project, the illicit use of drugs and consequences thereof among Finnish people were studied, also seeking possible new pharmacological therapies for dependency problems. The epidemiological part included 4,817 persons, who attended the services for drug users at Helsinki Deaconess Institute between 1997 and 2008. The majority were below 35 years of age. The average level of education was low and the proportion of employed was small. On the average, 3.5 different substances were being used, of which buprenorphine and amphetamine were the most common primary drugs, cannabis being the most common secondary drug. An almost tenfold mortality was observed in the follow-up comparison with the reverence population. PMID- 29199808 TI - How to identify DRESS, drug reaction with eosinophilia and systemic symptoms? AB - DRESS (drug reaction with eosinophilia and systemic symptoms) is a rare, severe multiorgan adverse drug reaction. Antiepileptic age's and antibiotics are the most frequently reported causative agents. Compared with other drug reactions, DRESS demonstrates a long latency period thus complicating recognition and diagnosis. DRESS is defined as presence of fever, skin eruption, hematologic abnormalities and systemic involvement, especially liver injury. Withdrawal of the culprit drug, commencement of systemic corticosteroid and supportive care are the mainstay of treatment. The majority of patients recover completely after drug withdrawal and appropriate therapy. Some patients suffer from chronic sequelae or even death. PMID- 29199809 TI - ? PMID- 29199810 TI - Ketamine as treatment for depression. AB - Ketamine infusions administered intravenously 1 to 3 times per week are the quickest and most effective treatment for depression. Short-course ketamine medication is established treatment both for unipolar depression and depressive episodes of bipolar affective disorder. Ketamine is suitable for initiating the treatment for treatment-resistant depression, alleviation of suicidal tendencies, and treatment of depressive patients suffering from simultaneous pain. The safety of prolonged treatment with ketamine is not known to sufficient degree. However, even long periods (up to 1.5 years) of ketamine treatment have not been associated with adverse effects. It would be appropriate to use short-course ketamine treatment more often than is currently done. PMID- 29199811 TI - Hard Carbon Wrapped Na3V2(PO4)3@C Porous Composite Extending Cycling Lifespan for Sodium-Ion Batteries. AB - Although the NASICON-type of Na3V2(PO4)3 is regarded as a potential cathode candidate for advanced sodium-ion batteries (SIBs), it has an undesirable rate performance and low cyclability, which are a result of its poor electronic conductivity. Here, we utilized conductive polyaniline (PANI) grown in situ to obtain the hard carbon-coated porous Na3V2(PO4)3@C composite (NVP@C@HC) with a typically simple and effective sol-gel process. Based on the restriction of double carbon layers, the NVP size decreases distinctly, which can curtail the sodium-ion diffusion distance and enhance the electronic conductivity. As expected, the product displays good discharge capacity (111.6 mA h g-1 at 1 C), outstanding rate capacity (60.4 mA h g-1 at 50 C), and remarkable cycling stability (63.3 mA h g-1 with a retention of 83.3% at 40 C over 3000 cycles). Also, it performs a long-term cycling capacity of 58.5 mA h g-1 exceeding 15 000 cycles at 20 C (with a capacity loss of 0.24% per cycle). PMID- 29199812 TI - Strain-Induced Tailoring of Oxygen-Ion Transport in Highly Doped CeO2 Electrolyte: Effects of Biaxial Extrinsic and Local Lattice Strain. AB - We explored oxygen-ion transport in highly doped CeO2 through density-functional theory calculations. By applying biaxial strain to 18.75 mol % CeO2:Gd, we predicted the average migration-barrier energy with six different pathways, with results in good agreement with those of experiments. Additionally, we found that the migration-barrier energy could be lowered by increasing the tetrahedron volume, including the space occupied by the oxygen vacancy. Our results indicate that the tetrahedron volume can be expanded by larger codopants, as well as biaxial tensile strain. Thus, the combination of thin-film structure and codoping could offer a new approach to accelerate oxygen-ion transport. PMID- 29199813 TI - Nanostructured Composites of Bi1-xSbx Nanoparticles and Carbon Nanotubes and the Characterization of Their Thermoelectric Properties. AB - The impact of inclusions of carbon nanotubes (CNT) on the thermoelectric properties of nanostructured Bi1-xSbx alloys with an Sb content between 10 and 20% was investigated for varying amounts of CNT. Three series of Bi1-xSbx pellets with 0, 0.3, and 0.5 wt % CNT were synthesized by mechanical alloying followed by uniaxial pressing. The resistivity was investigated in the temperature range from 30 to 500 K, revealing an enlargement of the band gap due to nanostructuring of the Bi1-xSbx alloy, which is even more pronounced for alloys including CNT. This enlargement is attributed to a modification of the interface between the Bi1-xSbx nanoparticles by a graphene-like coating, which is formed during the fabrication process due to the addition of CNT. Measurements of the Seebeck coefficient and the thermal conductivity were also performed to determine the thermoelectric properties. In total, the CNT-containing samples show a significant improvement of the figure of merit up to 250% for the Bi0.88Sb0.12 composition with 0.3 wt % CNT due to the interface modification between the nanoparticles, demonstrating the beneficial effect of CNT on the thermoelectric properties. PMID- 29199814 TI - Photochemically Activated Motors: From Electrokinetic to Diffusion Motion Control. AB - Self-propelled micro/nanomotors that can transform chemical energy from the surrounding environment into mechanical motion are cutting edge nanotechnologies with potential applications in biomedicine and environmental remediation. These applications require full understanding of the propulsion mechanisms to improve the performance and controllability of the motors. In this work, we demonstrate that there are two competing chemomechanical mechanisms at semiconductor/metal (Si/Pt) micromotors in a pump configuration under visible light exposure. The first propulsion mechanism is driven by an electro-osmotic process stemmed from a photoactivation reaction mediated by H2O2, which takes place in two separated redox reactions at the Si and Pt interfaces. One reaction involves the oxidation of H2O2 at the silicon side, and the other the H2O2 reduction at the metal side. The second mechanism is not light responsive and is triggered by the redox decomposition of H2O2 exclusively at the Pt surface. We show that it is possible to enhance/suppress one mechanism over the other by tuning the surface roughness of the micromotor metal. More specifically, the actuation mechanism can be switched from light-controlled electrokinetics to light-insensitive diffusio osmosis by only increasing the metal surface roughness. The different actuation mechanisms yield strikingly different fluid flow velocities, electric fields, and light sensitivities. Consequently, these findings are very relevant and can have a remarkable impact on the design and optimization of photoactivated catalytic devices and, in general, on bimetallic or insulating-metallic motors. PMID- 29199815 TI - Graphene/PbS-Quantum Dots/Graphene Sandwich Structures Enabled by Laser Shock Imprinting for High Performance Photodetectors. AB - Quantum dots (QDs) integrated 2-dimensional (2D) materials have great potential for photodetector applications due to the excellent light absorption of QDs and ultrafast carrier transportation of 2D materials. However, there is a main issue that prevents efficient carrier transportation and ideal performance of photodetectors: the high interfacial resistance between 2D materials and QDs due to the bad contacts between 2D/0D interface, which makes sluggish carrier transfer from QDs to 2D materials. Here, a sandwich structure (graphene/PbS QDs/graphene) with seamless 2D/0D contact was fabricated by laser shock imprinting, which opto-mechanically tunes the morphology of 2D materials to perfectly wrap on 0D materials and efficiently collect carriers from the PbS-QDs. It is found that this seamless integrated 2D/0D/2D structure significantly enhanced the carrier transmission, photoresponse gain (by 2*), response time (by 20*), and photoresponse speed (by 13*). The response time (~30 ms) and Ip/ Id ratio (13.2) are both over 10* better than the reported hybrid graphene photodetectors. This is due to the tight contact and efficient gate-modulated carrier injection from PbS-QDs to graphene. The gate voltage dictates whether electrons or holes dominate the carrier injection from PbS-QDs to graphene. PMID- 29199816 TI - Toward Solid-State 3D-Microbatteries Using Functionalized Polycarbonate-Based Polymer Electrolytes. AB - 3D microbatteries (3D-MBs) impose new demands for the selection, fabrication, and compatibility of the different battery components. Herein, solid polymer electrolytes (SPEs) based on poly(trimethylene carbonate) (PTMC) have been implemented in 3D-MB systems. 3D electrodes of two different architectures, LiFePO4-coated carbon foams and Cu2O-coated Cu nanopillars, have been coated with SPEs and used in Li cells. Functionalized PTMC with hydroxyl end groups was found to enable uniform and well-covering coatings on LiFePO4-coated carbon foams, which was difficult to achieve for nonfunctionalized polymers, but the cell cycling performance was limited. By employing a SPE prepared from a copolymer of TMC and caprolactone (CL), with higher ionic conductivity, Li cells composed of Cu2O-coated Cu nanopillars were constructed and tested both at ambient temperature and 60 degrees C. The footprint areal capacity of the cells was ca. 0.02 mAh cm-2 for an area gain factor (AF) of 2.5, and 0.2 mAh cm-2 for a relatively dense nanopillar-array (AF = 25) at a current density of 0.008 mA cm-2 under ambient temperature (22 +/- 1 degrees C). These results provide new routes toward the realization of all-solid-state 3D-MBs. PMID- 29199817 TI - Microporous Co@C Nanoparticles Prepared by Dealloying CoAl@C Precursors: Achieving Strong Wideband Microwave Absorption via Controlling Carbon Shell Thickness. AB - Excellent magnetic features make Co-based materials promising candidates as high performance microwave absorbers. However, it is still a significant challenge for Co-based absorbers to possess high-intensity and broadband absorption simultaneously, owing to the lack of dielectric loss and impedance matching. Herein, microporous Co@C nanoparticles (NPs) with carbon shell thicknesses ranging from 1.8-4.9 nm have been successfully synthesized by dealloying CoAl@C precursors. All of the samples exhibit high microwave absorption performance. The microporous Co@C sample possessing a carbon shell of 1.8 nm exhibits the highest absorption intensity among these samples with a minimum reflection loss (RL) of 141.1 dB, whose absorption bandwidth for RL <= -10 dB is 7.3 GHz. As the thickness of the carbon shell increases, the absorption bandwidth of the NPs becomes wider. For the sample with the carbon shell thickness of 4.9 nm, the absorption bandwidth for RL <= -10 dB reaches a record high of 13.2 GHz. The outstanding microwave attenuation properties are attributed to the dielectric loss of the carbon shell, the magnetic loss of the Co core, and the cooperation of the core-shell structure and microporous morphology. The strong wideband microwave absorption of the carbon-coated microporous Co NPs highlights their potential applications in microwave absorbing systems. PMID- 29199818 TI - Precision Medicine in Pediatric Neurooncology: A Review. AB - Central nervous system tumors are the leading cause of cancer related death in children. Despite much progress in the field of pediatric neurooncology, modern combination treatment regimens often result in significant late effects, such as neurocognitive deficits, endocrine dysfunction, secondary malignancies, and a host of other chronic health problems. Precision medicine strategies applied to pediatric neurooncology target specific characteristics of individual patients' tumors to achieve maximal killing of neoplastic cells while minimizing unwanted adverse effects. Here, we review emerging trends and the current literature that have guided the development of new molecularly based classification schemas, promising diagnostic techniques, targeted therapies, and delivery platforms for the treatment of pediatric central nervous system tumors. PMID- 29199819 TI - Conjugated Polymer Containing Organic Radical for Optical/MR Dual-Modality Bioimaging. AB - Optical/MRI bimodal probes have attracted much attention due to palmary soft tissue resolution and high imaging sensitivity. In this study, poly[fluorene-co alt-p-phenylene] containing organic radical (PFP-TEMPO+) is successfully developed for optical and MRI dual-modality bioimaging. PFP-TEMPO+ displays advanced properties such as fluorescence emission, high photostablilty, reasonable T1 relaxation effect, low cytotoxicity, and good biocompatibility. Moreover, the ability of PFP-TEMPO+ for tumor tissues imaging confirms that it could be used as an optical and MRI imaging probe for in vivo imaging. The results of the present work disclose the potential applications of PFP-TEMPO+ as an optical and MRI contrast agent. PMID- 29199820 TI - Multimodal Probes: Superresolution and Transmission Electron Microscopy Imaging of Mitochondria, and Oxygen Mapping of Cells, Using Small-Molecule Ir(III) Luminescent Complexes. AB - We describe an Ir(III)-based small-molecule, multimodal probe for use in both light and electron microscopy. The direct correlation of data between light- and electron-microscopy-based imaging to investigate cellular processes at the ultrastructure level is a current challenge, requiring both dyes that must be brightly emissive for luminescence imaging and scatter electrons to give contrast for electron microscopy, at a single working concentration suitable for both methods. Here we describe the use of Ir(III) complexes as probes that provide excellent image contrast and quality for both luminescence and electron microscopy imaging, at the same working concentration. Significant contrast enhancement of cellular mitochondria was observed in transmission electron microscopy imaging, with and without the use of typical contrast agents. The specificity for cellular mitochondria was also confirmed with MitoTracker using confocal and 3D-structured illumination microscopy. These phosphorescent dyes are part of a very exclusive group of transition-metal complexes that enable imaging beyond the diffraction limit. Triplet excited-state phosphorescence was also utilized to probe the O2 concentration at the mitochondria in vitro, using lifetime mapping techniques. PMID- 29199821 TI - WO3 Nanoarray: An Efficient Electrochemical Oxygen Evolution Catalyst Electrode Operating in Alkaline Solution. AB - It is fascinating to design and synthesize high-efficiency and noble-metal-free alkaline oxygen evolution reaction (OER) electrocatalysts. In this Communication, we describe the one-step hydrothermal synthesis of a WO3 nanoarray directly grown on conductive carbon cloth (WO3/CC) for efficient water oxidation in 1.0 M KOH. As a monolithically integrated array catalyst, WO3/CC exhibits superior OER activity demanding overpotential as low as 280 mV to afford a benchmarking catalytic current density of 10 mA cm-2. It is worth noting that WO3/CC also possesses strong electrochemical durability with 95% Faradaic yields. PMID- 29199822 TI - Hyperthermophilic Composting Accelerates the Removal of Antibiotic Resistance Genes and Mobile Genetic Elements in Sewage Sludge. AB - Composting is an efficient way to convert organic waste into fertilizers. However, waste materials often contain large amounts of antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) that can reduce the efficacy of antibiotic treatments when transmitted to humans. Because conventional composting often fails to remove these compounds, we evaluated if hyperthermophilic composting with elevated temperature is more efficient at removing ARGs and MGEs and explored the underlying mechanisms of ARG removal of the two composting methods. We found that hyperthermophilic composting removed ARGs and MGEs more efficiently than conventional composting (89% and 49%, respectively). Furthermore, the half-lives of ARGs and MGEs were lower in hyperthermophilic compositing compared to conventional composting (67% and 58%, respectively). More efficient removal of ARGs and MGEs was associated with a higher reduction in bacterial abundance and diversity of potential ARG hosts. Partial least-squares path modeling suggested that reduction of MGEs played a key role in ARG removal in hyperthermophilic composting, while ARG reduction was mainly driven by changes in bacterial community composition under conventional composting. Together these results suggest that hyperthermophilic composting can significantly enhance the removal of ARGs and MGEs and that the mechanisms of ARG and MGE removal can depend on composting temperature. PMID- 29199823 TI - Two Unique Crystalline Semiconductor Zeolite Analogues Based on Indium Selenide Clusters. AB - Developing the structural diversity of microporous zeolitic frameworks with integrated semiconducting properties is promising but remains a challenge. Reported here are two unique crystalline semiconductor zeolite analogues constructed from two kinds of indium selenide clusters with augmented ctn and zeolite-type sod networks. The intrinsic semiconducting nature in these In-Se domains gives rise to pore-size-dependent and visible-light-driven photocatalytic activity for organic dye degradation. PMID- 29199824 TI - One-Pot Conversion of Methane to Light Olefins or Higher Hydrocarbons through H SAPO-34-Catalyzed in Situ Halogenation. AB - Methane was converted to light olefins (ethene and propene) or higher hydrocarbons in a continuous flow reactor below 375 degrees C over H-SAPO-34 catalyst via an in situ halogenation (chlorination/bromination) protocol. The reaction conditions can be efficiently tuned toward selective monohalogenation of methane to methyl halides or their in situ oligomerization to higher hydrocarbons. The presence of C5+ hydrocarbons in the reaction products clearly indicates that by using a properly engineered catalyst under optimized reaction conditions, hydrocarbons in the gasoline range can be produced. This approach has significant potential for feasible application in natural gas refining to gasoline and materials under moderate operational conditions. PMID- 29199825 TI - Unusual Aggregation Arrangement of Eu-Containing Polyoxometalate Hybrid in a Protic Ionic Liquid with Improved Luminescence Property. AB - Hybridization of polyoxometalates (POMs) with cationic surfactants offers the opportunity to greatly improve their functionalities as well as processabilities. Here, a surfactant-encapsulated Eu-containing POM complex (SEP) was formed via electrostatic interaction between 1-octadecyl-3-methylimidazolium bromide (OB) and Na9(EuW10O36).32H2O (EuW10). SEP was first self-assembled in a protic ionic liquid to prepare the soft aggregates to fundamentally avoid the fluorescence quenching by water molecules. The structures and photophysical properties of SEP or aggregates were investigated thoroughly by NMR and FTIR spectroscopy, optical and electron microscopy, small-angle X-ray scattering, and fluorescence measurements. The formed gel-like aggregates were found to compose of three dimensional networks of microribbons with an interdigitated layered molecular packing of SEP, which was different from the usual inverse bilayer model of POM hybrids in common organic solvents. Compared to EuW10 solid or its aqueous solution, both SEP and its aggregates exhibited intense red luminescence with much improved lifetime and quantum efficiency. In addition, the soft aggregates exhibited an efficient energy transfer and an obviously enhanced monochromaticity, owning to the organized arrangement of EuW10 units and a confined microenvironment to isolate them from each other between adjacent layers. The obtained results will not only present a useful reference to the aggregation behavior of POM hybrids in ionic liquids, but also provide an easy way to design EuW10 luminescent soft materials based on the nonaqueous media. PMID- 29199826 TI - Luminescent 3D Lanthanide-Cadmium Heterometal-Organic Frameworks with Chemical Stability and Selective Luminescent Sensing. AB - Four novel three-dimensional (3D) 4d-4f heterometal-organic compounds, [LnCd2(Pbc)4(Meimdc)(H2O)].3H2O (Ln = Eu, 1a; Tb, 1b; Sm, 1c; Dy, 1d) (HPbc = 4 (4-pyridinyl)benzoic acid; H3Meimdc = 2-methyl-1H-4,5-imidazole-dicarboxylic acid), have been successfully prepared by a hydrothermal method. All the compounds are isostructural and show three-dimensional microporous pillar-layered structures with uncoordinated carboxylate sites hung in the channels. Compound 1a possesses excellent chemical stability. The luminescent investigations show that compounds 1a, 1b, 1c, and 1d display the characteristic emission bands of Ln3+ ions. Compound 1a exhibits a good potential as a luminescent sensor material for multi-responsive Ag+, Cu2+, Zn+, Co2+, and Ni2+ cations and some organic amines. Interestingly, 1a can capture Ag+, Cu2+, Zn+, Co2+, and Ni2+ cations and shows cation-dependent colorimetric response, which indicates the potential for naked sensing. PMID- 29199827 TI - Reaction Mechanisms and Structural and Physicochemical Properties of Caffeic Acid Grafted Chitosan Synthesized in Ascorbic Acid and Hydroxyl Peroxide Redox System. AB - The ascorbic acid (AA) and hydroxyl peroxide (H2O2) redox pair induced free radical grafting reaction is a promising approach to conjugate phenolic groups with chitosan (CS). In order to reveal the exact mechanisms of the AA/H2O2 redox pair induced grafting reaction, free radicals generated in the AA/H2O2 redox system were compared with hydroxyl radical (*OH) produced in the Fe2+/H2O2 redox system. Moreover, the structural and physicochemical properties of caffeic acid grafted CS (CA-g-CS) synthesized in these two redox systems were compared. Results showed that only ascorbate radical (Asc*-) was produced in the AA/H2O2 system. The reaction between Asc*- and CS produced novel carbon-centered radicals, whereas no new free radicals were detected when *OH reacted with CS. Thin layer chromatography, UV-vis, Fourier transform infrared, and nuclear magnetic resonance spectroscopic analyses all confirmed that CA was successfully grafted onto CS through Asc*-. However, CA could be hardly grafted onto CS via *OH. CA-g-CS synthesized through Asc*- exhibited lower thermal stability and crystallinity than the reaction product obtained through *OH. For the first time, our results demonstrated that the synthesis of CA-g-CS in the AA/H2O2 redox system was mediated by Asc*- rather than *OH. PMID- 29199828 TI - Efficient Coproduction of Mannanase and Cellulase by the Transformation of a Codon-Optimized Endomannanase Gene from Aspergillus niger into Trichoderma reesei. AB - Cellulase and mannanase are both important enzyme additives in animal feeds. Expressing the two enzymes simultaneously within one microbial host could potentially lead to cost reductions in the feeding of animals. For this purpose, we codon-optimized the Aspergillus niger Man5A gene to the codon-usage bias of Trichoderma reesei. By comparing the free energies and the local structures of the nucleotide sequences, one optimized sequence was finally selected and transformed into the T. reesei pyridine-auxotrophic strain TU-6. The codon optimized gene was expressed to a higher level than the original one. Further expressing the codon-optimized gene in a mutated T. reesei strain through fed batch cultivation resulted in coproduction of cellulase and mannanase up to 1376 U.mL-1 and 1204 U.mL-1, respectively. PMID- 29199831 TI - Controlling the C(sp3)-C(sp2) Axial Conformation in the Enantioselective Friedel Crafts-Type Alkylation of beta-Naphthols with Inden-1-ones. AB - The Friedel-Crafts-type reaction between properly functionalized inden-1-ones and 2-naphthols generates a hindered single bond which displays a unique preference for an antiperiplanar conformational diastereoisomer. The steric hindrance and the presence of an enantioenriched stereogenic center control the distribution of the two diastereomeric conformers at equilibrium and increase the energy for the rotation of the C(sp3)-C(sp2) single bond. PMID- 29199830 TI - Receptor-Mediated Endocytosis of Nanoparticles: Roles of Shapes, Orientations, and Rotations of Nanoparticles. AB - A complete understanding of the interactions between nanoparticles (NPs) and the cell membrane is essential for the potential biomedical applications of NPs. The rotation of the NP during the cellular wrapping process is of great biological significance and has been widely observed in experiments and simulations. However, the underlying mechanisms of the rotation and their potential influences on the wrapping behavior are far from being fully understood. Here, by coupling the rotation of the NP with the diffusion of the receptors, we set up a model to theoretically investigate the wrapping pathway and the internalization rate of the rotatable NP in the receptor-mediated endocytosis. Based on this model, it is found that the endocytosis proceeds through the symmetric-asymmetric or asymmetric-symmetric-asymmetric wrapping pathway due to the bending and membrane tension competition induced rotation of NP. In addition, we show that the wrapping rate in the direction that the wrapping proceeds can be largely accelerated by the rotation. Moreover, the time to fully wrap the NP depends not only on the size and shape of the NP but also on its rotation and initial orientation. These results reveal the roles of the shape, rotation, and initial orientation of the NP on the receptor-mediated endocytosis and may provide guidelines for the design of NP-based drug delivery systems. PMID- 29199829 TI - Simple Quantum Dynamics with Thermalization. AB - In this paper, we introduce two simple quantum dynamics methods. One is based on the popular surface-hopping method, and the other is based on rescaling of the propagation on the bath ground-state potential surface. The first method is special, as it avoids specific feedback from the simulated quantum system to the bath and can be applied for precalculated classical trajectories. It is based on the equipartition theorem to determine if hops between different potential energy surfaces are allowed. By comparing with the formally exact Hierarchical Equations Of Motion approach for four model systems we find that the method generally approximates the quantum dynamics toward thermal equilibrium very well. The second method is based on rescaling of the nonadiabatic coupling and also neglect the effect of the state of the quantum system on the bath. By the nature of the approximations, they cannot reproduce the effect of bath relaxation following excitation. However, the methods are both computationally more tractable than the conventional fewest switches surface hopping, and we foresee that the methods will be powerful for simulations of quantum dynamics in systems with complex bath dynamics, where the system-bath coupling is not too strong compared to the thermal energy. PMID- 29199832 TI - Domain Formation and Conformational Changes in Gold Nanoparticle Conjugates Studied Using DPD Simulations. AB - A gold nanoparticle (AuNP) conjugate formed with 11-mercaptoundecanoic acid (MUA) and thiolated polyethylene glycol (SH-PEG) is simulated using dissipative particle dynamics (DPD) methods, obtaining an excellent agreement with previous experimental observations. The simulations cover the isolated components (AuNP, MUA, and SH-PEG), as well as pairs of components, and finally the all three components at the same time. In this latter case, changes in the order of addition of MUA and SH-PEG over the AuNP are also considered. The AuNP is formed by independent gold beads and keeps an almost spherical shape throughout the simulation. MUA forms micelles of four to six MUA units when dispersed in water, while SH-PEG stays individually and well solvated. When exposed to AuNP, both molecules show a tendency to form patches on the surface. SH-PEG displays two different conformations (radial and tangential) depending on its relative concentration and the presence of other molecules at the NP surface. When combined at subsaturation concentrations, MUA arrives faster to the AuNP surface than SH-PEG and forms patches while SH-PEG occupies the remaining free surface. In these conditions, the order of addition of the different components partially alters these results. When SH-PEG is added over an already formed MUA/AuNP partial layer, it adopts a radial conformation over the MUA formed patches; on the contrary, if MUA is added over an already formed SH-PEG/AuNP partial layer, much less SH-PEGs adopt a radial conformation and MUA patches are significantly smaller. PMID- 29199833 TI - Single-Cell Optical Distortion Correction and Label-Free 3D Cell Shape Reconstruction on Lattices of Nanostructures. AB - Imaging techniques can be compromised by aberrations. Especially when imaging through biological specimens, sample-induced distortions can limit localization accuracy. In particular, this phenomenon affects localization microscopy, traction force measurements, and single-particle tracking, which offer high resolution insights into biological tissue. Here we present a method for quantifying and correcting the optical distortions induced by single, adherent, living cells. The technique uses periodically patterned gold nanostructures as a reference framework to quantify optically induced displacements with micrometer scale sampling density and an accuracy of a few nanometers. The 3D cell shape and a simplified geometrical optics approach are then utilized to remap the microscope image. Our experiments reveal displacements of up to several hundred nanometers, and in corrected images these distortions are reduced by a factor of 3. Conversely, the relationship between cell shape and distortion provides a novel method of 3D cell shape reconstruction from a single image, enabling label free 3D cell analysis. PMID- 29199834 TI - Understanding Solvent Spreading for Langmuir Deposition of Nanomaterial Films: A Hansen Solubility Parameter Approach. AB - To prepare high-quality Langmuir films of 2D materials it is important to select a solvent optimized for both exfoliation and spreading at the air-water interface. Whereas it is generally accepted that exfoliation and stabilization of 2D materials is well-described using the Hansen solubility parameter theory, a complementary description of solvent spreading behavior is lacking. To this end we develop an understanding of solvent spreading using a Hansen solubility parameter framework. Our model accurately predicts the behavior of both water immiscible and water-miscible solvents in Langmuir film formation experiments. We demonstrate that spreading behavior can be modified by controlling the surface pressure of the subphase using an amphiphilic species and accordingly utilize this approach to determine the maximum spreading pressure for a selection of solvents. Ultimately, by building on this understanding we open up additional routes to optimize the preparation of Langmuir films of 2D materials and other nanoparticles. PMID- 29199835 TI - Directed Aromatic C-H Activation/Acetoxylation Catalyzed by Pd Nanoparticles Supported on Graphene Oxide. AB - The first solid-supported directed aromatic C-H activation/acetoxylation has been successfully developed by using palladium nanoparticles supported on graphene oxide (PdNPs/GO) as a catalyst. The practicability of this method is demonstrated by simple preparation of catalyst, high catalytic efficiency, wide functional group tolerance, and easy scale up of the reaction. A hot filtration test and Hg(0) poisoning test indicate the heterogeneous nature of the catalytic active species. PMID- 29199836 TI - Molecular Dynamics at the Interface between Ice and Poly(vinyl alcohol) and Ice Recrystallization Inhibition. AB - Ice formation is a ubiquitous process that poses serious challenges for many areas. Nature has evolved a variety of different mechanisms to regulate ice formation. For example, many cold-adapted species produce antifreeze proteins (AFPs) and/or antifreeze glycoproteins (AFGPs) to inhibit ice recrystallization. Although several synthetic substitutes for AF(G)Ps have been developed, the fundamental principles of designing AF(G)P mimics are still missing. In this study, we explored the molecular dynamics of ice recrystallization inhibition (IRI) by poly(vinyl alcohol) (PVA), a well-recognized ice recrystallization inhibitor, to shed light on the otherwise hidden ice-binding mechanisms of chain polymers. Our molecular dynamics simulations revealed a stereoscopic, geometrical match between the hydroxyl groups of PVA and the water molecules of ice, and provided microscopic evidence of the adsorption of PVA to both the basal and prism faces of ice and the incorporation of short-chain PVA into the ice lattice. The length of PVA, i.e., the number of hydroxyl groups, seems to be a key factor dictating the performance of IRI, as the PVA molecule must be large enough to prevent the joining together of adjacent curvatures in the ice front. The findings in this study will help pave the path for addressing a pressing challenge in designing synthetic ice recrystallization inhibitors rationally, by enriching our mechanistic understanding of IRI process by macromolecules. PMID- 29199837 TI - Psychometric evaluation of the Mini International Neuropsychiatric Interview for Children and Adolescents (MINI-KID). AB - The goals of the study were to examine test-retest reliability, informant agreement and convergent and discriminant validity of nine DSM-IV-TR psychiatric disorders classified by parent and youth versions of the Mini International Neuropsychiatric Interview for Children and Adolescents (MINI-KID). Using samples drawn from the general population and child mental health outpatient clinics, 283 youth aged 9 to 18 years and their parents separately completed the MINI-KID with trained lay interviewers on two occasions 7 to 14 days apart. Test-retest reliability estimates based on kappa (kappa) went from 0.33 to 0.79 across disorders, samples and informants. Parent-youth agreement on disorders was low (average kappa = 0.20). Confirmatory factor analysis provided evidence supporting convergent and discriminant validity. The MINI-KID disorder classifications yielded estimates of test-retest reliability and validity comparable to other standardized diagnostic interviews in both general population and clinic samples. These findings, in addition to the brevity and low administration cost, make the MINI-KID a good candidate for use in epidemiological research and clinical practice. (PsycINFO Database Record PMID- 29199838 TI - Evaluating the eight-item Patient Health Questionnaire's psychometric properties with Mexican and Central American descent university students. AB - Depression can be a serious aliment influencing the lives of millions of persons. Person's health conditions worsen and daily functioning declines in the presence of depression. However, little attention has been given to how depression is accurately assessed in diverse populations from other countries residing in the United States. Thus, this study examined the factor structure, factorial invariance, concurrent validity, and convergent validity of the widely used 8 item Patient Health Questionnaire (PHQ-8) among emerging adults of Mexican and Central American (e.g., Salvadorians, Guatemalans) men and women residing in the United States. Undergraduate student participants (n = 2,782) completed an online or paper-and-pencil version of the assessment. Support was found for two-factor and one-factor solutions; however, the unidimensional structure was recommended due to the very high correlation between the two factors (r >= .87). The unidimensional scale was invariant between (a) Mexican and Central American descent and (b) men and women. Depressive symptoms (as measured in the PHQ-8) were significantly correlated with another valid and reliable measured of depression, and scores on the PHQ-8 were significantly correlated with theoretically related variables (i.e., quality of life, parental support, and perceived stress). (PsycINFO Database Record PMID- 29199839 TI - A systematic review of the efficacy of creative arts therapies in the treatment of adults with PTSD. AB - OBJECTIVE: There is a growing body of literature supporting the use of creative arts therapies; however, the efficacy of creative arts therapies in the treatment of posttraumatic stress disorder (PTSD) has not been systematically evaluated. The aim of this systematic review was to examine the efficacy of creative arts therapy including music therapy, art therapy, dance/movement therapy, and drama therapy, in the treatment of PTSD. METHOD: Ten databases were searched for peer reviewed literature published from inception to December 2016. Studies were included in the review if they used a randomized controlled trial (RCT), a pseudo RCT, or a controlled study design; tested the efficacy of one of the creative arts therapies described above; and reported changes to PTSD diagnosis or symptomatology. RESULTS: From an initial yield of 1,918 records, 1,653 records were screened on title and abstract and 125 were screened at full-text. Seven studies met the inclusion criteria for review, with four studies investigating art therapy, two studies investigating music therapy, and a final study investigating drama therapy. Individual studies were initially rated on a standardized quality and bias checklist, and then GRADE was used to rate the overall evidence for each intervention. The evidence for music therapy, art therapy, and drama therapy was ranked as low to very low, with no studies found for dance/movement therapy. Generally, the quality of the trials was very poor. Future directions for this field of research are to improve the scientific quality of the research trials in this area. (PsycINFO Database Record (c) 2018 APA, all rights reserved). PMID- 29199840 TI - An examination of sex differences on neurocognitive functioning and behavior problems in maltreated youth. AB - OBJECTIVE: In the developmental traumatology model, the biological construct of sex is considered a moderator that may negatively influence child maltreatment sequelae including those pertaining to neurocognitive function. METHOD: This study examined sex-differences in neurocognitive function and behavior problems in maltreated boys (n = 42), maltreated girls (n = 56) versus nonmaltreated boys (n = 45) and girls (n = 59). Maltreated boys were hypothesized to have poorer neurocognitive functioning than maltreated girls, and nonmaltreated boys and girls, in all neurocognitive domains, particularly pertaining to executive function and attention. We also examined correlations between cognitive function and parent report of child behavior problems for maltreated and nonmaltreated children. RESULTS: Maltreated boys performed more poorly on measures of intelligence, attention, language, memory, executive function, and academic achievement in both reading and math than nonmaltreated boys. Maltreated boys did not perform more poorly on these cognitive measures or behavioral measures than maltreated girls, except for one memory measure. Maltreated girls performed more poorly on measures of intelligence, language, memory, executive function, and academic achievement than nonmaltreated girls. Maltreated girls with better visual-spatial skills had more internalizing and externalizing problems. Effect sizes for these sex differences ranged from small to large. CONCLUSIONS: Both maltreated boys and girls showed poorer cognitive function than their nonmaltreated sex-matched controls. Maltreated girls had subtle sparing of attention and short-term memory (STM). Understanding sex differences in neurocognitive functioning may have implications for designing large population studies of maltreated youth. (PsycINFO Database Record PMID- 29199841 TI - Cumulative effects of the Gulf oil spill and other disasters on mental health among reproductive-aged women: The Gulf Resilience on Women's Health study. AB - OBJECTIVE: To test whether effects of multiple (up to 5) disasters on mental health responses were cumulative (additive effects), or whether an earlier disaster produced sensitization (higher) or habituation (lower) responses to a later one. METHOD: The Gulf Resilience on Women's Health study interviewed 1,366 southern Louisiana women regarding their exposure to Hurricanes Katrina, Rita, Gustav, and Ike and the Gulf oil spill (measured several ways), and administered validated measures of symptoms of depression and posttraumatic stress disorder (PTSD). Multiple linear and logistic regression with disaster exposures entered singly, combined, and as an interaction were used to model mental health. RESULTS: Both exposure to the oil spill and hurricane disaster were associated with likely depression and PTSD, consistent with a cumulative model, but we did not find statistical interactions that would suggest sensitization or habituation. When results were examined with continuous symptom measures of depression and PTSD, they were similar, with the exception that exposure to the oil spill and experiencing illness or injury because of the hurricane disaster showed a significant interaction (p < .05) in a manner consistent with a sensitization effect when predicting PTSD symptoms. The results of this study point mainly to a cumulative risk for the mental health effects of multiple disasters, although some indication of sensitization occurred among those with particularly severe experiences. There was no evidence for habituation. CONCLUSIONS: These findings may guide efforts to assist those in regions experiencing multiple disasters that occur in close sequence. (PsycINFO Database Record PMID- 29199842 TI - A preliminary survey of pediatricians' experiences with and preferences for communication with mental health specialists. AB - INTRODUCTION: Pediatricians are more likely than mental health (MH) specialists to manage children's MH concerns, and multiple factors complicate their abilities to do so adequately. Integrated care initiatives mitigate systems-related shortcomings that hamstring MH management in primary care. These initiatives, which improve outcomes for adults, are not widespread for youth. Integrated health care for children with MH concerns requires regular collaborative communication among pediatricians and MH specialists. The nature and quality of this communication in typical practice are not fully clear. METHOD: We conducted an anonymous pilot survey of 123 pediatric primary care providers from 41 states. We examined respondents' experiences with and attitudes about collaborative communication barriers and strategies. RESULTS: Respondents estimated that 28% of their patients had MH concerns. Nearly 30% reported discomfort treating these concerns, 54% described MH care resources in their communities as inadequate, and 24% of pediatricians reported no communication at all with MH specialists about shared patients. Actual contact among communicators was less frequent than desired. Satisfaction with communication was low. Barriers to satisfactory communication included systems factors, inconsistent/nontimely responses from specialists, and the perception that MH specialists are unwilling to communicate. DISCUSSION: Many pediatricians appear to view communication with MH specialists as less systematic than it ought to be. Efforts to address communication barriers may advance integrated care aims and mitigate pediatricians' perceptions of MH treatment resource inadequacy. As an important step toward integration, MH specialists should consider prioritizing systematic ongoing collaborative communication about shared patients. (PsycINFO Database Record PMID- 29199843 TI - Motivational interviewing, enhancement, and brief interventions over the last decade: A review of reviews of efficacy and effectiveness. AB - Motivation is a well-established predictor of recovery for addictive behaviors. Treatments aimed at changing substance use and gambling frequently employ motivational enhancing strategies, based in the principles of Motivational Interviewing (MI). Evidence for these approaches across addictive behaviors does not always paint a clear picture. The purpose of this review was to examine existing reviews of motivational-based interventions for various substances of abuse and gambling in the last decade to gain a deeper understanding of the current evidence and implications for future research and clinical practice. Literature searches were conducted to identify review articles from January 1, 2007 to January 30, 2017 for motivational enhancing interventions for alcohol, tobacco, drugs, marijuana, cocaine, opioids, methamphetamines, and gambling. Of the 144 articles assessed we included a total of 34 review articles in our review, including 6 Cochrane reviews. This review supports use of motivationally enhancing interventions across addictive behaviors with strongest evidence supporting use in alcohol and tobacco, with brief interventions showing strong efficacy. There is strong support for MI with marijuana and some support for gambling. Insufficient evidence is available for methamphetamine or opiate use. There are important caveats. In most cases, MI is more effective than no treatment and as effective (but not necessarily more effective) than other active treatments. Findings for effectiveness of more intensive motivational interventions or combinations are mixed. Treatment fidelity assessments, limited subpopulation analyses, and differences in dose, outcomes, and protocol specification continue to pose significant problems for reviews. (PsycINFO Database Record PMID- 29199845 TI - Distinct profiles of information-use characterize identity judgments in children and low-expertise adults. AB - Face processing abilities vary across the life span: increasing across childhood and adolescence, peaking around 30 years of age, and then declining. Despite extensive investigation, researchers have yet to identify qualitative changes in face processing during development that can account for the observed improvements on laboratory tests. The current study constituted the first detailed characterization of face processing strategies in a large group of typically developing children and adults (N = 200) using a novel adaptation of the Bubbles reverse correlation technique (Gosselin & Schyns, 2001). Resultant classification images reveal a compelling age-related shift in strategic information use during participants' judgments of face identity. This shift suggests a move from an early reliance upon high spatial frequency details around the mouth, eye-brow and jaw-line in young children (~8 years) to an increasingly more interlinked approach, focused upon the eye region and the center of the face in older children (~11 years) and adults. Moreover, we reveal that the early versus late phases of this developmental trajectory correspond with the profiles of information use observed in weak versus strong adult face processors. Together, these results provide intriguing new evidence for an important functional role for strategic information use in the development of face expertise. (PsycINFO Database Record PMID- 29199846 TI - Re-examining the influence of attention and consciousness on visual afterimage duration. AB - The relationship between visual attention and conscious perception has been the subject of debate across a number of fields, including philosophy, psychology, and neuroscience. Whereas some researchers view attention and awareness as inextricably linked, others propose that the two are supported by distinct neural mechanisms that can be fully dissociated. In a pioneering study, van Boxtel, Tsuchiya, and Koch (2010b) reported evidence for a dissociation between attention and conscious perception using a perceptual adaptation task in which participants' perceptual awareness and visual attention were manipulated independently. They found that participants' awareness of an adapting stimulus increased afterimage duration, whereas attending to the adaptor decreased it. Given the important theoretical implications of these findings, we endeavored to replicate them using an identical paradigm while dealing with some potential shortcomings of the original study by adding more trials and a larger participant sample. Consistent with van Boxtel, Tsuchiya, and Koch, we found that afterimage duration was reliably increased when participants were aware of the adapting stimulus. In contrast to the original findings, however, attention to the adaptor also increased afterimage duration, suggesting that attention and awareness had the same-rather than opposing-effects on afterimage duration. We discuss possible reasons for this discrepancy. (PsycINFO Database Record PMID- 29199844 TI - A scoping review and meta-analysis of psychosocial and pharmacological treatments for cannabis and tobacco use among African Americans. AB - The rates of co-occurring cannabis and tobacco use are higher among African Americans relative to other racial/ethnic groups. One plausible approach to treating co-use among African Americans is to examine the effectiveness of treatments for the sole use of cannabis and tobacco to identify effective approaches that might be combined to treat the dual use of these substances. The current meta-analysis sought to include studies that reported cannabis and/or tobacco use outcomes from randomized clinical trials (RCTs) with 100% African American samples. A total of 843 articles were considered for inclusion, 29 were reviewed by independent qualitative coders, and 22 were included in the review. There were no articles on cannabis use treatment with a 100% African American sample, resulting in a need to lower the threshold (60%) and conduct a scoping review of cannabis studies. Preliminary evidence from a small number of studies (k = 7) supports the use of Motivational Interviewing and Cognitive-Behavioral Therapy to treat cannabis use among African Americans, but not Contingency Management. Results from a meta-analysis of 15 tobacco studies found higher rates of smoking abstinence in the treatment condition relative to control conditions overall and across short and long-term follow-up periods. Significant differences in smoking abstinence were also found when examining the effects of pharmacological treatments relative to their control conditions. The clinical and research implications of these findings for future psychosocial and pharmacological trials for cannabis and tobacco use and co-use among African Americans are described. (PsycINFO Database Record PMID- 29199848 TI - Characterization of Barium Borate Frameworks Using Raman Spectroscopy. AB - Systematic micro-Raman scattering investigations have been carried out on Sm+2 doped 2(BaO)-n(B2O3) matrices for n = 4, 5, 8, and 2(BaO)-(Na2O)-9(B2O3) using the 364 nm excitation of an Ar+ laser. The Raman results have been compared with the known structures of barium tetraborate, barium pentaborate, barium octaborate, and barium sodium nonaborate. An excellent correlation has been found between the BO4/BO3 composition ratios for each product and intensity ratios of the designated BO4 and BO3 Raman peaks. Furthermore, the Raman frequencies of both BO4 and BO3 groups undergo a systematic blueshift as n increases from four to nine. The shift results from a decrease of the B-O bond lengths for both BO4 and BO3 groups as the samples transition from the tetraborate to nonaborate structures. Linear relations (with negative slopes) have been determined between the measured Raman frequencies and B-O bond lengths in the frameworks. PMID- 29199847 TI - Wnt3a promotes pro-angiogenic features in macrophages in vitro: Implications for stroke pathology. AB - Wnt3a is implicated in several key cellular processes and its expression has been reported in different cell types. Here, we report a novel function for Wnt3a in macrophages, whose exposure to this ligand shifts them towards a pro-angiogenic phenotype capable, under oxygen and glucose deprivation, of inducing in vitro tubular pattern structures in endothelial cells resembling capillary-like vasculature. These newly acquired angiogenetic features also include increased proliferation and migration and surprisingly, an increase in cell death. This work provides a new link between Wnt3a and macrophage-mediated angiogenesis under glucose and oxygen deprivation in vitro, which are worth further investigation in pathological conditions including stroke, where the stimulation of the angiogenic process might help to recovery after tissue injury Impact statement This work provides a new link between Wnt3a and macrophage-mediated angiogenesis under glucose and oxygen deprivation in vitro. Our results reveal how Wnt3a shifts macrophages towards a pro-angiogenic phenotype, which is able-in absence of both glucose and oxygen-of inducing angiogenesis in vitro, thus pointing to a synergy between the activation of the pathway and the hypoxia scenario. This work also demonstrates that modulation of cell death is key in order to explain the observed angiogenic effects. We consider all these findings of significant importance, since no connection between Wnt3a, macrophages, and angiogenesis has been established so far. Furthermore, we do believe that this work provides new and interesting results, with Wnt signaling pathway emerging as an interesting target mediating beneficial outcomes during the inflammatory response undoubtedly linked to stroke pathology, where angiogenesis has been already proposed as a potential mechanism to promote recovery after the injury. PMID- 29199849 TI - Characterizing the Intrinsic Fluorescence Properties of Historical Painting Materials: The Case Study of a Sixteenth-Century Mesoamerican Manuscript. AB - Ultraviolet visible (UV-Vis) fluorescence spectroscopy is widely used to study polychrome objects and can help to identify the nature of certain materials when they present specific fluorescent properties. However, given the complexity of the stratified and heterogeneous materials under study, the characterization of an intrinsic fluorescence related to a given constituent (a pigment or a binder composing a paint layer for example) is not straightforward, and the recorded raw data need to be corrected for a number of effects that can influence the detected spectral distribution. The application of standard correction procedures to experimental fluorescence data gathered on the polychromatic surface of the Codex Borbonicus, a 16th-century Aztec manuscript, is described. The results are confronted to an alternate new methodology that is based on the hypothesis of transparent non-scattering paint layers. This second approach allows to establish more clearly the material origin of the detected emission and to discriminate apparent fluorescence (emitted by the substrate and transmitted through the paint layers) from actual intrinsic emission generated by the coloring materials under study. The results show that most of the various emission profiles detected in the paint layers of the manuscript actually originate from a unique fluorophore (composing the substrate) and should not be used to characterize the coloring materials. PMID- 29199850 TI - The evolution of minimally invasive cardiac surgery: from minimal access to transcatheter approaches. AB - The field of minimally invasive cardiac surgery has undergone rapid transformation over recent years. In this review, we provide a summary of the most current evidence supporting the use of minimally invasive aortic and mitral valve replacement techniques, as well as transcatheter approaches for aortic and mitral valve disease. As an adjunct, the use of robotically assisted coronary bypass surgery and hybrid coronary revascularization procedures is discussed. In order to obtain optimal patient outcomes, a collaborative, heart-team approach between cardiac surgeons and interventional cardiologists is necessary. PMID- 29199851 TI - Feasibility Assessment of Synchronous Fluorescence Spectral Fusion by Application to Argan Oil for Adulteration Analysis. AB - Synchronous fluorescence spectroscopy (SFS) is used for quantitative analysis as well as for qualitative analysis, such as with classification methods. With SFS, determination of a useful wavelength interval between the excitation and emission wavelengths (Deltalambda) is required. There are a multitude of Deltalambda intervals that can be evaluated and optimization of the best one is complex. Presented here is a fusion approach for combining Deltalambda intervals, thereby negating the need to perform the selection by a skilled operator. To demonstrate the feasibility of omitting selection of the best Deltalambda interval, adulterated argan oil samples are studied. Argan oil is made from the argan tree, endemic to southwestern Morocco, and is well-known for its cosmetic, pharmaceutical, and nutritional applications. It is considered a luxury product and exported from Morocco around the world. Consequently, detection of argan oil adulteration followed by quantitative analysis of the adulterant concentration is important. This study uses fusion of SFS spectra obtained at ten Deltalambda intervals to first detect adulteration of argan oil by corn oil and then determination of the corn oil content. For detection of adulteration, 15 one class classification methods were used simultaneously over the ten Deltalambda sets of SFS spectra. For tuning parameter dependent classifiers such as Mahalanobis distance, non-optimized classifiers are used. Raw classification values are used, removing the need to set classifier-dependent threshold values, albeit, ultimately, a fusion decision rule is needed for classification. For quantitative analysis, two calibration approaches are evaluated with fusion of these ten Deltalambda SFS spectral data sets. One is multivariate calibration by partial least squares (PLS). The second approach is a univariate calibration process where the SFS spectra are summed over respective SFS spectral ranges, also known as the area under the curve (AUC). For adulteration detection and quantitation of the corn oil, prediction errors decrease with fusion compared to individually using the ten Deltalambda interval SFS specific data sets. For this argan oil data set, the AUC method generally provides equivalent prediction errors to PLS. PMID- 29199852 TI - Bleeding with oral anticoagulant dabigatran is highly associated with occult cancers in atrial fibrillation patients. AB - AIM: The aim of this study was to examine cancer and bleeding in atrial fibrillation patients administered with dabigatran. MATERIALS & METHODS: This study enrolled 509 consecutive nonvalvular atrial fibrillation patients who received dabigatran. The mean administration period was 14.8 +/- 15.7 months. We investigated the prevalence and new development of cancers. Further, the relation between cancer and adverse events was evaluated. RESULTS: In the 509 patients, major bleeding occurred in 2.6% and dyspepsia in 8.4%. Further, 16.9% patients had a history of cancer and 3.9% developed new cancers. These adverse events developed in 45% patients who developed new cancers. The cancer (hazard ratio: 6.30; p = 0.003) was a significant predictor of major bleeding. CONCLUSION: Bleeding was associated with the presence of cancer. PMID- 29199853 TI - Intermittent fasting and cardiovascular disease: current evidence and unresolved questions. AB - Intermittent fasting has produced a variety of beneficial health effects in animal models, although high-quality research in humans has been limited. This special report examines current evidences for intermittent fasting in humans, discusses issues that require further examination, and recommends new research that can improve the knowledge base in this emerging research area. While potentially useful for health improvement, intermittent fasting requires further study prior to widespread implementation for health purposes. Randomized, longer term studies are needed to determine whether using intermittent fasting as a lifestyle rather than a diet is feasible and beneficial for the health of some members of the human population. PMID- 29199854 TI - Costs of subcutaneous and intravenous administration of trastuzumab for patients with HER2-positive breast cancer. AB - AIM: Trastuzumab is available in an intravenous (iv.) and a subcutaneous (sc.) formulation. The objective of this study was to estimate the costs of administration of iv. and sc. trastuzumab treatment. MATERIALS & METHODS: Via interviews, we identified all the activities associated with iv. and sc. administration. The outcome was time estimates. To estimate the administration costs, the time estimates were valued by average gross wages. RESULTS: The iv. administration takes longer time as infusion time is longer (25 or 85 min). The iv. administration is associated with higher cost for 17 cycles; ?971 (?1858 vs ?887). CONCLUSION: sc. administration is associated with lower administration costs. Switching patients from iv. to sc. would make it possible to treat more patients without increasing the personnel resources. PMID- 29199855 TI - The Hierarchy of Proinflammatory Cytokines in Ocular Inflammation. AB - PURPOSE: The concept of tissue-dependent cytokine hierarchy has been demonstrated in a number of diseases, but it has not been investigated in ophthalmic diseases. Here, we evaluated the functional hierarchy of interleukin-1beta (IL-1beta), IL 6, IL-17A, and tumor necrosis factor (TNF) in the induction of ocular inflammation. MATERIALS AND METHODS: We delivered adeno-associated virus (AAV) vectors expressing IL-1beta, IL-6, IL-17A, or TNF intravitreally in naive C57/BL6 mice and compared and contrasted the inflammatory effects in the eye 5 weeks after AAV-mediated gene transfer. We also used an in vitro human system to test the effect of cytokines on barrier function. RESULTS: We found that IL-1beta had the highest ability to initiate ocular inflammation. The continuous overexpression of IL-1beta resulted in a significant upregulation of additional proinflammatory mediators in the eye. Using scanning laser ophthalmoscope and optical coherence tomography imaging techniques, we showed that a low dose of AAVIL-1beta was sufficient and was as pathogenic as a high dose of TNF in inducing vascular leakage, retinal degeneration, and cellular infiltration. Furthermore, only a marginal increase in IL-1beta was enough to cause cellular infiltration, thus confirming the highly pathogenic nature of IL-1beta in the eye. Contrary to our expectation, IL-6 or IL-17A had minimal or no effect in the eye. To examine the clinical relevance of our findings, we used an impedance assay to show that IL-1beta alone or TNF alone was able to cause primary human retinal endothelial cell barrier dysfunction in vitro. Again, IL-6 alone or IL 17A alone had no effect on barrier function; however, in the presence of IL-1beta or TNF, IL-17A but not IL-6 may provide additive proinflammatory effects. CONCLUSIONS: Our studies demonstrate the existence of a functional hierarchy of proinflammatory cytokines in the eye, and we show that IL-1beta is the most pathogenic when it is continuously expressed in the eye. PMID- 29199856 TI - Antimicrobial activity of six essential oils against Burkholderia cepacia complex: insights into mechanism(s) of action. AB - AIM: To investigate the activity and mechanisms of action of six essential oils (EOs) against Burkholderia cepacia complex, opportunistic human pathogens highly resistant to antibiotics. MATERIALS & METHODS: Minimal inhibitory concentration of EOs alone, plus antibiotics or efflux pump inhibitors was determined. RESULTS: Origanum vulgare, Thymus vulgaris and Eugenia caryophyllata EOs resulted to be more active than the other EOs. EOs did not enhance antibiotic activity against the model strain B. cenocepacia J2315. EOs resulted more active in the presence of an efflux pump inhibitor acting on Resistance-Nodulation Cell Division efflux pumps and against B. cenocepacia J2315 Resistance-Nodulation Cell Division knocked-out mutants. CONCLUSION: EOs showed intracellular mechanisms of action and, thus, the efflux pumps inhibitor addition could boost their activity. PMID- 29199857 TI - Passion, Intimacy, and Commitment in Casual Sexual Relationships in a Canadian Sample of Emerging Adults. AB - Research on casual sexual relationships (CSRs) among emerging adults is prevalent, yet our empirical and theoretical knowledge of relationship processes involved in these relationships is limited. The present study's objective was to compare four CSR partner types (acquaintance, friend, non-dating partner, ex romantic partner) on passion, intimacy, and commitment, the components of Sternberg's triangular theory of love. A total of 441 Canadians aged 18-25 years who were not in a romantic relationship, and who reported having had more than one sexual contact with their last CSR partner, completed an online survey. Across all partner types, passion was highest, followed by intimacy and commitment. Levels of passion, intimacy, and commitment generally increased with partner familiarity. However, CSR partner type differences on the three components were partially explained by CSR components (i.e., frequency of sexual activity, frequency of social activity, whether partners saw each other with the main goal of having sex, sexual exclusivity agreement, and hopes about the relationship). Results are consistent with CSRs' emphasis on sexuality, and, to a lesser extent, emotions. However, they challenge the mainstream and scientific conflation of CSRs with an absence of emotional bond, commitment, or love. PMID- 29199858 TI - What do humanitarian emergency organizations do about palliative care? A systematic review. AB - BACKGROUND: Humanitarian emergency organizations have only recently integrated care for non-communicable diseases into their relief action. The needs for palliative care in emergencies are still largely unmet. OBJECTIVE: A systematic review of health programmes run by international humanitarian organizations that take palliative care and/or enhanced pain control into account. METHODS: Electronic databases were searched for publications of health programmes providing palliative care and/or enhanced pain control in emergency situations. Health departments of major international organizations and experts were contacted for relevant information. RESULTS: One publication on pain treatment in amputees in Freetown, Sierra Leone, fulfilled the selection criteria. International humanitarian organizations shared information on their programmes in the Democratic Republic of the Congo, Haiti, Kenya and Ukraine/Russia. CONCLUSIONS: There is very little information available on palliative care and/or enhanced pain control in emergency settings. First programmes have just been initiated in the field. More emphasis on sharing experiences and publication could accelerate a broader integration of palliative care into humanitarian programmes. PMID- 29199859 TI - Nutrient Intake and Factors Influencing Eating Behaviors in Older Migrant Women Living in the United Kingdom. AB - This study examines nutrient intake and factors influencing eating behaviors in a sample of 76 migrant older women (>= 60 years) living in the UK. Nutrient intake was assessed using a 24-hr recall enhanced by an in-depth probing dietary interview. Median energy intake was significantly lower than the UK RNIs (5,125.4 v. 7,301.1 kJ/d, p < .001). Main nutrients of concern were retinol, vitamin D, magnesium, potassium, copper, selenium, and monounsaturated fatty acids. Semistructured interviews were conducted with a subsample (n = 46) and analyzed using thematic analysis. Although women were knowledgeable about what constitutes a healthy diet, factors such as the presence and awareness of obesity and noncommunicable diseases, changes to household roles, and dietary restrictions related to religious beliefs were identified key influences on participants' dietary intake. Strategies targeting this population need to promote not only a healthy energy balance, but also dietary adequacy to optimize nutrient intake. PMID- 29199860 TI - The value of gamma glutamyltransferase in predicting myocardial infarction in patients with acute coronary syndrome. AB - AIM: To assess the utility of gamma-glutamyl transferase (GGT) and C-reactive protein (CRP) in predicting troponin elevation in patients with acute coronary syndrome. PATIENTS: The total of 119 patients were divided into troponin-positive (n = 61) and troponin-negative (n = 58) patients. RESULTS: CRP cut-off value >=13.4 mg/l had the sensitivity of 68.1% and specificity of 62.5%, while the GGT cut-off value >=61.5 IU/l had the sensitivity of 66.0% and specificity of 62.0% and combined use of both CRP and GGT had 71.4% sensitivity and 69.6% specificity in predicting troponin increase in acute coronary syndrome patients. CONCLUSION: GGT might be used as an adjuvant marker for risk assessment patients who present with chest pain and are suspected to have acute coronary syndrome. PMID- 29199861 TI - Stenting the complex patent ductus arteriosus in tetralogy of Fallot with pulmonary atresia: challenges and outcomes. AB - Patent ductus arteriosus (PDA) stenting has gained acceptance for palliation in cyanotic congenital heart disease. The PDA in tetralogy of Fallot with pulmonary atresia (ToF-PA) arises, in the left aortic arch, from underneath the arch and connects to the proximal left pulmonary artery, often resulting in stenosis. The PDA is usually elongated and tortuous, making stent implantation challenging. Shorter duration of palliation, aggravation of branch pulmonary artery stenosis resulting in poor growth and difficulty at surgery makes ductal stenting controversial. Access via the carotid and axillary artery reduces complexity of the procedure and improves success, with recent data demonstrating good pulmonary artery growth. Advances in bioresorbable stents offer future promise and will likely resolve some controversies surrounding PDA stenting in ToF-PA. PMID- 29199862 TI - Expression of SIRT1 and P53 in Rat Lens Epithelial cells in Experimentally Induced DM. AB - PURPOSE: To determine the etiopathogenesis of diabetic cataract by studying changes in relative expressions of silent information regulator protein-1 (SIRT1) and P53 in rat lens epithelial cells (LECs) in experimentally induced diabetes mellitus (DM). METHODS: Six-week-old male SD rats (n = 120) were randomly divided into experimental (n = 80 rats) and control (n = 40 rats) groups. DM was induced in the experimental group (diabetic model) by intraperitoneal (i.p.) injection of 60 mg/kg streptozotocin (STZ). Control group rats were injected similarly with phosphate-buffered saline (PBS). Four and eight weeks after successful induction of DM, relative expressions of SIRT1 and P53 in LECs were analyzed using quantitative real-time (qRT) fluorescence polymerase chain reaction (qRT-PCR) and Western blot analysis. RESULTS: Expression of both SIRT1 and P53 was observed in LECs of control and experimental group rats at 4 and 8 weeks but was significantly greater in experimental compared with control group rats (p < 0.05). CONCLUSIONS: Expression of both SIRT1 and P53 increases in the early stages of diabetic cataract formation, indicating that they play potentially important roles in the pathogenesis of diabetic cataract. PMID- 29199863 TI - Optical Coherence Tomography-Based Scattering Properties of Retinal Vessels in Glaucoma Patients. AB - PURPOSE: Clinical trials have demonstrated that retinal blood flow deficiencies are present in patients with open-angle glaucoma (OAG). We introduce a method for facilitating retinal vessel analysis: The intensity of the distal shadow of vessels in optical coherence tomography (OCT) caused by the scattered signal is analyzed, compared between healthy subjects and OAG patients and correlated with OCT angiography (OCT-A) flow density. PATIENTS AND METHODS: We recruited 80 patients with diagnosed OAG (mean age 63.4 +/- 13.2 years) and 80 healthy age matched control subjects for comparison, and 20 patients for the correlation with OCT-A flow density. Patients received perimetry, peripapillary OCT measurements, and selected patients OCT-A of the papillary area. The vessel shadow intensity (VSI) is based on peripapillary OCT scans: the intensity of the distal vessel shadow was automatically compared to its surroundings, separated by arteries and veins. Flow density of the OCT-A scan was calculated by binarization and quantification of the pixel density. RESULTS: The VSI for arteries was in OAG patients with 7.52 +/- 2.62 [%] significantly lower compared to healthy subjects (9.03 +/- 3.38 [%], p = 0.0029). In veins, the VSI was as well significantly lower for OAG patients (14.9 +/- 3.59 [%]) compared to healthy subjects (17.46 +/ 4.45 [%], p < 0.0001). Furthermore, in OAG patients there was a significant correlation of mean deviation of the visual field results with the veins' VSI (p = 0.0006; r = -0,454). There was no significant correlation of scattering properties with OCT-A flow density (p > 0.05). CONCLUSIONS: We conclude that the OCT-based analysis of the scattering properties of retinal vessels differs significantly between patients with OAG and healthy subjects. Furthermore, changes in the scattering properties of veins correlated with the stage of the disease in terms of visual field deficits. These properties might complement existing measurements of ocular blood flow including OCT-A flow density. PMID- 29199864 TI - Intracameral Use of Nepafenac: Safety and Efficacy Study. AB - PURPOSE: To test the intracameral safety of nepafenac and its efficacy in inhibiting prostaglandin synthesis during phacoemulsification surgery. METHODS: The safety evaluation was conducted in normal eyes of rabbits, 0.1ml of 0.3% and 1% nepafenac was injected intracamerally. Extensive studies to detect adverse response ranged from a gross examination of eyes under slit lamp biomicroscope, fluorescein dye test, Schirmer tear test, test for corneal sensitivity, intraocular pressure measurement (IOP), specular microscopy, electroretinography(ERG), and histopathological examination of intraocular tissues. Efficacy of nepafenac was studied by intracameral injection of 0.1%, 0.3% nepafenac, nepafenac 0.3%+1% lignocaine, and 1% lignocaine alone, before phacoemulsification surgery and intraoperative mydriasis along with PGE2(ProstaglandinE2) secretion were recorded. RESULTS: Single 0.1ml of 0.3% or 1% nepafenac did not significantly (p > 0.05) alter physiological parameters and histology of cornea, iris, and retina. Nepafenac 0.3% effectively inhibited PGE2 secretion. No significant (p > 0.05) prevention of miosis was recorded with 0.1% or 0.3% nepafenac. However, a combination of 0.3% nepafenac + 1% lignocaine and 1% lignocaine alone significantly (p < 0.05) arrested miosis during the intraoperative period. CONCLUSION: An intracameral concentration of up to 1% nepafenac does not adversely affect the rabbit eye. Nepafenac fails to prevent miosis but inhibits prostaglandin release during phacoemulsification surgery. PMID- 29199865 TI - Changes in the Meibomian Gland After Exposure to Intense Pulsed Light in Meibomian Gland Dysfunction (MGD) Patients. AB - PURPOSE: To observe (1) changes in meibomian gland (MG) after exposure to intense pulsed light (IPL) and (2) to understand the mechanism by which IPL treats meibomian gland dysfunction (MGD) in patients. METHODS: A cohort study, including 35 MGD patients, was conducted. IPL treatment was administered in one group (IPL group; n = 18), and eyelid hygiene in another (control group; n = 17) for 3 months. All patients were given artificial tears during the treatment period. Associated ocular-surface indexes (ocular surface disease index, OSDI; tear breakup time, TBUT, Schirmer 1Test, corneal staining, and conjunctival staining), MG function, MG macro-morphology, and MG micro-morphology were examined before and after treatment. The relationships between the change in symptom score and the change in the other indexes (related ocular-surface indexes, MG functional indexes, and MG morphological indexes) were evaluated. RESULTS: There was no statistical difference in pretreatment between the IPL and the control groups in terms of age, gender, related medical history, MGD stage, and all examined indexes, with the exception of conjunctival staining. OSDI, TBUT, meibum quality, MG expressibility, and MG dropout improved after treatment in both of the two groups (all P < 0.05). The MG microstructure indexes, including the MG acinar longest diameter (ALD), MG acinar unit density (AUD), and the positive rate of inflammatory cells (ICs) around glandular structures were significantly improved in the IPL group. No improvements of microstructure were found in the control group. CONCLUSION: IPL treatment improves the symptom score of patients, associated ocular-surface indexes, MG function, and MG macrostructure as well as eyelid hygiene. And IPL treatment particularly improves MG microstructure and decreases MG inflammation in MGD patients. PMID- 29199866 TI - The Association of Single-Nucleotide Polymorphisms in the MMP-9 Gene with Normal Tension Glaucoma and Primary Open-Angle Glaucoma. AB - PURPOSE: To evaluate the association of matrix metalloproteinases (MMP)-9 gene polymorphisms with normal tension glaucoma (NTG) and primary open-angle glaucoma (POAG) in the South Korean population. MATERIALS AND METHODS: A total of 700 South Korean subjects were recruited: 146 patients with NTG, 174 patients with POAG, and 380 healthy adults. Five single-nucleotide polymorphisms (SNPs; rs3918429, rs2274755, rs3787268, rs3918261, and rs3918270) of MMP-9 were analyzed in all subjects. The association with each disease was tested using an allelic chi2 test and p values were corrected by permutation tests with 100 000 permutations. RESULTS: Among the five SNPs, rs2274755 showed a significant association with NTG (p = 0.021). The T allele of rs2274755 had an allelic odds ratio of 1.67 (95% confidence interval, 1.12-2.50). The association remained significant after correction using permutation tests (p = 0.039). It was also significant in an association analysis for genotype frequency (p = 0.011). The SNP was predicted to be found within a splicing site and a conserved region. No SNPs analyzed were significantly associated with POAG (p > 0.05). CONCLUSIONS: The rs2274755 SNP in the MMP-9 gene was significantly associated with NTG. This supports a possible role of the MMP-9 gene in NTG pathogenesis. PMID- 29199867 TI - Relevance of Global Health Security to the US Export Economy. AB - To reduce the health security risk and impact of outbreaks around the world, the US Centers for Disease Control and Prevention and its partners are building capabilities to prevent, detect, and contain outbreaks in 49 global health security priority countries. We examine the extent of economic vulnerability to the US export economy posed by trade disruptions in these 49 countries. Using 2015 US Department of Commerce data, we assessed the value of US exports and the number of US jobs supported by those exports. US exports to the 49 countries exceeded $308 billion and supported more than 1.6 million jobs across all US states in agriculture, manufacturing, mining, oil and gas, services, and other sectors. These exports represented 13.7% of all US export revenue worldwide and 14.3% of all US jobs supported by all US exports. The economic linkages between the United States and these global health security priority countries illustrate the importance of ensuring that countries have the public health capacities needed to control outbreaks at their source before they become pandemics. PMID- 29199868 TI - Entry Body Mass and Earnings: Once Penalized, Ever Penalized? AB - It has previously been reported that an individual's body mass index (BMI) contemporaneously penalizes wages for women, but has no effect and sometimes rewards wages for men. In young adults, we estimate the association of BMI status with initial wages to assess whether initial BMI at the beginning of an individual's career affects initial and later earnings. We pooled data from 388 men and 305 women, aged 20-40 years, with BMI information for the first year of employment, using the Korean Labor and Income Panel Study. A labor market penalty for a higher BMI among women was found only for overweight or obese segments, particularly those with relatively higher monthly wages. Meanwhile, a higher BMI in underweight or normal weight segments could reward employment probability for women and monthly wages for men. Such rewards of relatively higher monthly wages were also estimated for men in the overweight segment. Our findings suggest discrimination as one factor penalizing higher BMI in the labor market. PMID- 29199869 TI - "Inflammaging" and Estradiol among Older U.S. Women: A Nationally Representative Longitudinal Study. AB - Despite accumulating small-sample and clinical evidence on "inflammaging," no population-representative longitudinal studies have specifically examined women's late-life inflammation trends. While a range of studies indicates estradiol's immunomodulation role, evidence is contradictory on whether its effects are pro- or antiinflammatory among older women. Using longitudinal data from the first two waves of the National Social Life, Health and Aging Project-a national probability sample of older U.S. adults aged 57 to 85 years at baseline-this study began to fill these gaps. Findings suggested rather than being a lifelong process, older women's inflammaging may have a biological window that closes with senescence. Moreover, their endogenous estradiol plays a proinflammatory rather than immunoprotective role. Nor does this sex steroid modulate age effects on women's inflammation. More sex-specific basic research is needed on causal mechanisms underlying women's late-life inflammaging patterns. PMID- 29199870 TI - Spiritual Struggles and Interleukin-6: Assessing Potential Benefits and Potential Risks. AB - The purpose of this study is to evaluate the relationship between spiritual struggles and levels of interleukin-6 (IL-6) with a subsample (N = 943) of participants who took part in a nationwide survey. This study, which was completed in 2014, was conducted in the United States. Spiritual struggles refer to difficulties that a person may encounter with his or her faith and include having a troubled relationship with God, encountering difficulties with religious others, and being unable to find a sense of ultimate meaning in life. Based on the notion that spiritual struggles may be associated with personal growth as well physical health problems, it was hypothesized that there is a nonlinear relationship between the two: levels of IL-6 will decline at relatively low levels of spiritual struggles, but levels of IL-6 will increase as spiritual struggles become more severe. The findings support this hypothesis and suggest there is a quadratic relationship between spiritual struggles and IL-6. The clinical implications of these findings are discussed. PMID- 29199871 TI - Perceived Racial Discrimination in the Workplace and Body Weight among the Unemployed. AB - This study investigates the association between body weight and the likelihood that people perceive that they have been the victims of racial discrimination in the workplace among the unemployed. I find that unemployed obese men and women are 8.4 percentage points and 7.7 percentage points, respectively, more likely to have experienced racial discrimination before becoming unemployed than their non obese counterparts. For unemployed men, the relationship between body weight and perceived racial discrimination does not seem to be associated with race. For unemployed women, being black and obese significantly increases the likelihood of perceiving racial discrimination. PMID- 29199872 TI - Inflammation and Cognition in Older Adults: Evidence from Taiwan. AB - Inflammation has been linked to clinical cognitive impairment, including Alzheimer's disease. Less is known, however, about the relationship between inflammation and normal, age-associated cognitive decline. An understanding of the determinants of all types of cognitive decline is important for improving quality of life in an aging world. This study investigated whether biomarkers of inflammation were associated with cognitive function and decline in older Taiwanese adults. Data were from the Taiwan Longitudinal Study of Aging and the Social Environment and Biomarkers of Aging Study. Inflammation was measured in 2000 and 2006 as C-reactive protein, interleukin-6, soluble e-selectin, soluble intercellular adhesion molecule-1, and white blood cell count. Cognition was assessed by 10 cognitive and memory tasks, measured in 2006, 2007, and 2011. Growth curve models were used to examine the relationship between inflammation and cognitive score over this time period. Higher levels of inflammation were associated with lower baseline cognitive scores, but not with longitudinal change in cognitive score. This study did not support a causal link between inflammation and cognitive decline among this older cohort. The observed cross-sectional relationship could reflect a causal relationship that arises earlier in life, or confounding; additional research across the life course is warranted. PMID- 29199873 TI - Disposition of toxic drugs and chemicals in man 11th edition. PMID- 29199874 TI - Necrostatin-1 attenuates lipopolysaccharide-induced acute lung injury in mice. AB - AIM OF THE STUDY: Receptor-interacting protein (RIP) kinase family members are involved in several biological processes. However, their role in acute lung injury (ALI) is still unclear. In the present study, we aim to determine the expression and function of RIP kinase family in ALI. MATERIALS AND METHODS: In the present study, ALI was induced in BALB/c male mice by intravenously injecting lipopolysaccharide (LPS). The expression levels of the RIP kinase family in ALI mice were determined using western blotting and immunohistochemical staining. The specific RIP-1 inhibitor, necrostatin-1, was used to treat LPS-induced ALI mice, followed by survival time recording, as well as histopathological and immunohistochemical staining of lung tissues, western blotting, myeloperoxidase (MPO) assay and enzyme-linked immunosorbent assay (ELISA) of related cytokines and downstream target expression. RESULTS: We found that RIP-1 expression was upregulated in the lung of ALI mice and inhibition of RIP-1 by necrostatin-1 significantly prolonged the survival time of mice, which was accompanied by less serve lung injury. Furthermore, lower expression of pro-inflammatory cytokines (interleukin [IL]-6, tumor necrosis factor [TNF]-alpha, IL-8, cyclooxygenase [COX]-2, monocyte chemoattractant protein [MCP]-1, and IL-1beta), MPO and nuclear factor (NF)-kappaB activation were found in bronchoalveolar lavage fluid (BALF) and lung tissues of necrostatin-1-treated ALI mice. Necrostatin-1 also attenuated LPS-induced pro-inflammatory cytokine expression and NF-kappaB activation in RAW 264.7 cells. CONCLUSIONS: In summary, necrostatin-1 protected against LPS-induced ALI in mice by inhibiting inflammation and pulmonary NF-kappaB activation. Thus, necrostatin-1 could be a novel therapeutic strategy for ALI. PMID- 29199875 TI - Using positron emission tomography to investigate hormone-mediated neurochemical changes across the female lifespan: implications for depression. AB - Ovarian hormones, particularly oestrogen and progesterone, undergo major fluctuations across the female lifespan. These hormone transition periods, such as the transition from pregnancy to postpartum, as well as the transition into menopause (perimenopause), are also known to be times of elevated susceptibility to depression. This study reviews how these transition periods likely influence neurochemical changes in the brain that result in disease vulnerability. While there are known associations between oestrogen/progesterone and different monoaminergic systems, the interactions and their potential implications for mood disorders are relatively unknown. Positron Emission Tomography (PET) allows for the in-vivo quantification of such neurochemical changes, and, thus, can provide valuable insight into how both subtle and dramatic shifts in hormones contribute to the elevated rates of depression during pre-menstrual, post-partum, and perimenopausal periods in a woman's life. As one better understands how to address the challenges of PET studies involving highly vulnerable populations, such as women who have recently given birth, one will gain the insight necessary to design and individualize treatment and therapy. Understanding the precise time line in younger women when dramatic fluctuations in the hormonal milieu may contribute to brain changes may present a powerful opportunity to intervene before a vulnerable state develops into a diseased state in later life. PMID- 29199876 TI - Perceived factors influencing hospital-based primary care clinic referrals to community health medical nutrition therapy: An exploratory study. AB - Primary care clinics provide an array of diagnostic and clinical services that assist patients in preventing the onset or managing acute and chronic conditions. Some chronic conditions such as high blood pressure, high cholesterol, and type 2 diabetes require primary care professionals to seek additional medical intervention from registered dieticians. This study explored beliefs, attitudes, and practices of medical and administrative professionals in primary care clinics encountering patients who are potential candidates for ongoing nutrition education or counselling. Five focus groups with primary care providers and clinical staff (n = 24) were conducted to identify perceived intra-organisational factors influencing initiation of community health medical nutrition therapy (MNT) referrals. Lack of clarity regarding community health dieticians' role in chronic disease management was the primary finding for the absence of MNT referrals. Insurance-imposed constraints, perceived patient readiness to change, and service inaccessibility were revealed as barriers that influence referrals to both community health and specialty care dieticians. This study underscores the importance of identifying organisational and interpersonal barriers that influence the initiation of community health MNT referrals. Understanding these barriers can create stronger interprofessional collaboration between primary care providers and community health dieticians. PMID- 29199878 TI - Do We Expect Women to Look Happier Than They Are? A Test of Gender-Dependent Perceptual Correction. AB - Feminine facial features enhance the expressive cues associated with happiness but not sadness. This makes a woman look happier than a man even when their smiles have the same intensity. So, to correctly infer the actual happiness of a woman, one would have to subtract the effect of these facial features. We hypothesised that our perceptual system would apply this subtraction for women, but not for men. This implies that this female-specific subtraction would cause one to infer a man to be happier than a woman if both are matched for facial appearance and expression intensity. We tested this using androgynous virtual faces with equal expression intensity. As predicted, happy men were inferred to be happier than happy women, but sad men were not inferred to be sadder than sad women, supporting our hypothesis of a gender- and emotion-specific perceptual correction. PMID- 29199877 TI - The duration of hyaluronidase and optimal timing of hyaluronic acid (HA) filler reinjection after hyaluronidase injection. AB - BACKGROUND: Hyaluronidase injection is a commonly performed treatment for overcorrection or misplacement of hyaluronic acid (HA) filler. Many patients often wants the HA filler reinjection after the use of hyaluronidase, though the optimal timing of reinjection of HA filler still remains unknown. OBJECTIVES: To provide the optimal time interval between hyaluronidase injections and HA filler reinjections. METHODS: 6 Sprague-Dawley rats were injected with single monophasic HA filler. 1 week after injection, the injected sites were treated with hyaluronidase. Then, HA fillers were reinjected sequentially with differing time intervals from 30 minutes to 14 days. 1 hour after the reinjection of the last HA filler, all injection sites were excised for histologic evaluation. RESULTS: 3 hours after reinjection of HA filler, the appearance of filler material became evident again, retaining its shape and volume. 6 hours after reinjection, the filler materials restored almost its original volume and there were no significant differences from the positive control. CONCLUSIONS: Our data suggest that the hyaluronidase loses its effect in dermis and subcutaneous tissue within 3-6 hours after the injection and successful engraftment of reinjected HA filler can be accomplished 6 hours after the injection. PMID- 29199880 TI - Exposure to cigarette smoke extract and lipopolysaccharide modifies cytoskeleton organization in bronchial epithelial cells. AB - The integrity of the respiratory epithelium is crucial for airway homeostasis. Tobacco smoke exposure and recurrent infections of the airways play a crucial role in the progression and in the decline of the respiratory function in chronic obstructive pulmonary disease (COPD). The aim of this study was to detect differentially expressed proteins in a bronchial epithelial cell line (16-HBE) stimulated with cigarette smoke extract (CSE) and lipopolysaccharide (LPS), a constituent of gram-negative bacteria, alone and/or in combination, by using two dimensional electrophoresis (2DE) analysis coupled with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Western blot analysis was applied to confirm the expression of significantly modulated proteins. Flow cytometry and immunofluorescence were used to assess F-actin polimerization by phalloidin method. Fourteen proteins, with significant (p < 0.05) changes in intensity, were identified at various experimental points: 6 were up-regulated and 8 were down-regulated. As expected, bioinformatic analysis revealed that most of these proteins are involved in anti-oxidant and immune responses and in cytoskeleton stability. Western blot analysis confirmed that: Proteasome activator complex subunit 2 (PSME2), Peroxiredoxin-6 (PRDX6), Annexin A5 (ANXA5) and Heat shock protein beta-1 (HSPB1) were reduced and Coactosin-like protein (COTL-1) was increased by co-exposure of CSE and LPS. Furthermore, LPS and CSE increased actin polimerization. In conclusion, although further validation studies are needed, our findings suggest that, CSE and LPS could contribute to the progressive deterioration of lung function, altering the expression of proteins involved in metabolic processes and cytoskeleton rearrangement in bronchial epithelial cells. PMID- 29199881 TI - Phytochylomicron as a dual nanocarrier for liver cancer targeting of luteolin: in vitro appraisal and pharmacodynamics. AB - AIM: A novel luteolin (LUT) loaded dual bionanocarrier 'phytochylomicron' was elaborated to allow LUT injectable delivery and liver cancer targeting. METHODS: LUT-phospholipid complex was prepared and loaded into chylomicron nanocarrier. Then phytochylomicron underwent physicochemical characterization, cell culture and pharmacodynamics studies on a new liver-tumor model. RESULTS: Phytochylomicron showed sustained release pattern with minimum drug leakage until reaching the liver. Cell culture studies showed high growth inhibition of Hep G2 cells with 2.6-fold enhancement in cellular uptake. Pharmacodynamics demonstrated enhanced tumor growth inhibition (sixfold) with a significant tumor size reduction. Finally, cell culture results demonstrated an excellent correlation with pharmacodynamics confirming the obtained findings. CONCLUSION: A novel phytochylomicron nanosystem was successfully elaborated with promising characteristics that promoted injectable LUT delivery and liver cancer targeting. [Formula: see text]. PMID- 29199882 TI - Association Study of MECP2 Gene Single Nucleotide Polymorphisms in Juvenile-Onset Systemic Lupus Erythematosus Patients from Iran. AB - INTRODUCTION: Juvenile-onset systemic lupus erythematosus is a multigenic autoimmune disorder. Polymorphisms of MECP2 gene have been reported to increase the risk of adult-onset SLE. In this study, we aimed to analyze if MECP2 gene polymorphisms could impress the proneness to JSLE in Iranian population. MATERIAL AND METHODS: Polymorphisms of MECP2 gene were genotyped in 50 Iranian JSLE patients and 426 matched healthy controls employing the real-time PCR allelic discrimination technique. RESULTS: None of the alleles and genotypes of MECP2 gene SNPs had significantly different distribution between patients and controls. The CTAT haplotype was represented more frequently and significantly in JSLE cases than in controls. A strong linkage disequilibrium was observed among the variants. CONCLUSIONS: Although adult-onset SLE had been associated with MECP2 gene variants, this gene is not associated with disease susceptibility in JSLE patients, implying the involvement of different susceptibility genes in the pathogenesis of SLE and JSLE. PMID- 29199883 TI - Death from a driverless vehicle. AB - Road traffic accidents are a major cause of fatalities around the world, and a number of deaths are caused by moving traffic on public roads. Deaths from vehicles that are off the highway may be called non-traffic fatalities which can be due to a vehicle reversing, carbon monoxide poisoning, weather-induced over heating inside the vehicle and electric windows. Children (and animals) are the usual victims. We report a case from India where a man was found lying dead by the roadside with a lorry nearby. The autopsy findings indicated that he had been run over, but as there was no history of a vehicular collision and with no eyewitnesses, the investigators were unsure of the probable sequence of events that led to his death. The autopsy findings, history, circumstantial evidence and chemical analysis enabled us to work out what had happened. PMID- 29199884 TI - Congenital cavitary optic disc anomaly and Axenfeld's anomaly in Wolf-Hirschhorn syndrome: A case report and review of the literature. AB - BACKGROUND: Wolf-Hirschhorn syndrome is a rare genetic syndrome caused by a heterozygous deletion on chromosome 4p16.3 and is characterized by a "Greek warrior helmet" facies, hypotonia, developmental delay, seizures, structural central nervous system defects, intrauterine growth restriction, sketelal anomalies, cardiac defects, abnormal tooth development, and hearing loss. A variety of ocular manifestations may occur in up to 40% of patients. MATERIALS/METHODS: We report the genetic testing results, systemic findings, and complete ophthalmologic examination findings in a patient with Wolf-Hirschhorn syndrome, including external photography, RetCam3 (Clarity Medical Systems, Pleasonton, CA) goniography, and fundus photography. In addition, we review the literature on ocular manifestations of Wolf-Hirschhorn syndrome. RESULTS: Microarray analysis revealed an unbalanced translocation between 4p16.3-15.3 and Xp22.33-p22.2. Systemic findings included "Greek warrior helmet" facies, hypotonia, cleft palate, neonatal tooth eruption, talipes equinovarus, bilateral clinodactyly, clitoromegaly, partial agenesis of the corpus callosum, bilateral renal hypoplasia, and two atrial septal defects. Ocular findings included normal intraocular pressures and corneal diameters, large-angle exotropia, downward slanting of the palpebral fissures, absent eyelid creases, upper and lower eyelid retraction with shortage of the anterior eyelid lamellae, euryblepharon, lagophthalmos with poor Bell's reflex and exposure keratopathy, hypertelorism, Axenfeld's anomaly, megalopapillae, and cavitary optic disc anomaly. CONCLUSIONS: We describe the ocular phenotype of a patient with Wolf-Hirschhorn syndrome, including the rare descriptions and photographs of Axenfeld's anomaly, megalopapilla, and cavitary optic disc anomaly in this condition. PMID- 29199885 TI - Emergency Medical Services Provider Experiences of Hospice Care. AB - BACKGROUND: Growing numbers of emergency medical services (EMS) providers respond to patients who receive hospice care. The objective of this investigation was to assess the knowledge, attitudes, and experiences of EMS providers in the care of patients enrolled in hospice care. METHODS: We conducted a survey study of EMS providers regarding hospice care. We collected quantitative and qualitative data on EMS provider's knowledge, attitudes, and experiences in responding to the care needs of patients in hospice care. We used Chi-squared tests to compare EMS provider's responses by credential (Emergency Medical Technician [EMT] vs. Paramedic) and years of experience (0-5 vs. 5+). We conducted a thematic analysis to examine open-ended responses to qualitative questions. RESULTS: Of the 182 EMS providers who completed the survey (100% response rate), 84.1% had cared for a hospice patient one or more times. Respondents included 86 (47.3%) EMTs with Intermediate and Advanced training and 96 (52.7%) Paramedics. Respondent's years of experience ranged from 0-10+ years, with 99 (54.3%) providers having 0-5 years of experience and 83 (45.7%) providers having 5+ years of experience. There were no significant differences between EMTs and Paramedics in their knowledge of the care of these patients, nor were there significant differences (p < 0.05) between those with 0-5 and 5+ years of experience. Furthermore, 53 (29.1%) EMS providers reported receiving formal education on the care of hospice patients. A total of 36% respondents felt that patients in hospice care required a DNR order. In EMS providers' open-ended responses on challenges in responding to the care needs of hospice patients, common themes were family-related challenges, and the need for more education. CONCLUSION: While the majority of EMS providers have responded to patients enrolled in hospice care, few providers received formal training on how to care for this population. EMS providers have expressed a need for a formal curriculum on the care of the patient receiving hospice. PMID- 29199886 TI - Mycosynthesis of bactericidal silver and polymorphic gold nanoparticles: physicochemical variation effects and mechanism. AB - AIM: Extracellular synthesis of silver and gold nanoparticles using aqueous cell free filtrate (CFF) of endophytic Chaetomium globosum and characterization of its bioactive proteins. METHODS: Temperature and pH gradients were used to assess their effects on dimensions of NPs. NPs were tested in vivo for antibacterial activity. MALDI-TOF-MS/MS was used for characterization of CFF proteins. RESULTS: Fungal CFF fabricated nanoparticles of various shape under varied physicochemical conditions. Silver nanoparticles showed significantly (p <= 0.5) enhanced antibacterial activity against Staphylococcus aureus and Klebsiella pneumoniae compared with AgNO3. Two prominent CFF proteins showed homology with benzoate 4 monooxygenase cytochrome P450 and ubiquinol-cytochrome c reductase. CONCLUSION: The study achieved controlled mycosynthesis of NPs and explains the hitherto poorly known mechanism of reduction, stabilization and antibacterial activity of nanoparticles. PMID- 29199887 TI - The inflammatory response to silver and titanium dioxide nanoparticles in the central nervous system. AB - Despite the increasing number of neurotoxicological studies on metal-containing nanoparticles (NPs), the NP-induced neuroinflammation has not yet been well understood. This review provides a comprehensive understanding of inflammatory responses to two typical metal-containing NPs, namely silver NPs (Ag-NPs) and titanium dioxide NPs (TiO2-NPs). Ag-NPs and TiO2-NPs could translocate into the CNS through damaged blood-brain barrier, nerve afferent signaling and eye-to brain ways, and even cell uptake. NPs could stimulate the activation of glial cells to release proinflammatory cytokines and generate reactive oxygen species and nitric oxide production, resulting in the neuroinflammation. The potential mechanisms of Ag-NPs and TiO2-NPs causing inflammation are complex, including several immune response relevant signaling pathways. Some parameters governing their ability to cause neuroinflammation are presented as well. PMID- 29199888 TI - A High-Sensitivity, Microtiter-Based Plate Assay for Plant Pattern-Triggered Immunity. AB - The first step in the plant immune response to pathogen challenge involves the perception of conserved epitopes, called microbe-associated molecular patterns (MAMPs), by cell-surface pattern recognition receptors (PRRs). Given the key roles that MAMPs and PRRs play in plant innate immunity, great effort has been expended to identify these molecules. Current methods for assaying these immune responses are often limited in their resolution and throughput, and consequently, there is a need for medium- to high-throughput methodologies. Here, we describe the development of a 96-well microtiter plate-based assay for plant pattern triggered immunity that measures the activity of plant peroxidase (POX) enzymes produced in response to treatment with bacterial MAMPs. The system has been optimized to minimize both the amount of plant tissue and MAMPs required and displays up to three orders of magnitude greater sensitivity than the traditional luminol-based reactive oxygen species assay when measuring the plant response to treatment with the bacterial MAMP flg22, reaching detection limits in the picomolar range. This high sensitivity opens the possibility of evaluating the immune-eliciting effects of weaker elicitors. The throughput and material requirements of the assay make it ideal for screens involving quantitative measurement of the plant innate immune response to MAMPs. PMID- 29199889 TI - Polysaccharide Peptide-Induced Virus Resistance Depends on Ca2+ Influx by Increasing the Salicylic Acid Content and Upregulating the Leucine-Rich Repeat Gene in Arabidopsis thaliana. AB - Plant viral diseases cause severe economic losses in agricultural production. The development of biosource-derived antiviral agents provides an alternative strategy to efficiently control plant viral diseases. We previously reported that the exogenous application of polysaccharide peptide (PSP) exerts significant inhibitive effects on Tobacco mosaic virus infection in Nicotiana tabacum. In this study, we studied in additional detail the mechanism by which PSP can induce virus resistance in Arabidopsis thaliana. We found that PSP significantly induced Ca2+ influx and increased the accumulation of hydrogen peroxide and salicylic acid (SA) in the A. thaliana cells. A gene with a toll interleukin 1 receptor nucleotide binding site-leucine-rich repeat domain (LRR) was obtained by RNA sequencing in combination with the screening of the gene-deletion mutants of A. thaliana. The LRR gene was deleted, and the inductive response of A. thaliana to PSP was significantly attenuated after mutation. After the heterologous overexpression of the LRR gene in N. benthamiana, the SA content and PR1 gene expression in N. benthamiana were significantly increased. Through analyses of the LRR gene expression and the ability of A. thaliana to resist Cucumber mosaic virus following the treatments of PSP and PSP + ethyleneglycol-bis (beta aminoethylether)-N,N'-tetraacetic acid, it was shown that PSP enhanced the virus resistance of A. thaliana by inducing Ca2+ influx and subsequently improving expression of the LRR gene, which further increased the SA content. PMID- 29199890 TI - Application of magnetic resonance spectroscopy in geriatric mood disorders. AB - The prevalence of mood disorders in the rapidly-growing older adult population merits attention due to the likelihood of increased medical comorbidities, risk of hospitalization or institutionalization, and strains placed on caregivers and healthcare providers. Magnetic resonance spectroscopy (MRS) quantifies biochemical compounds in vivo, and has been used specifically for analyses of neural metabolism and bioenergetics in older adults with mood disorders, usually via proton or phosphorous spectroscopy. While yet to be clinically implemented, data gathered from research subjects may help indicate potential biomarkers of disease state or trait or putative drug targets. Three prevailing hypotheses for these mood disorders are used as a framework for the present review, and the current biochemical findings within each are discussed with respect to particular metabolites and brain regions. This review covers studies of MRS in geriatric mood disorders and reveals persisting gaps in research knowledge, especially with regard to older age bipolar disorder. Further MRS work, using higher field strengths and larger sample sizes, is warranted in order to better understand the neurobiology of these prevalent late-life disorders. PMID- 29199891 TI - Immune response of bovine sourced cross-linked collagen sponge for hemostasis. AB - A comprehensive immunogenicity scheme is proposed to examine immune response of bovine sourced hemostasis collagen sponge to establish foundation for further researches and decrease the incidence of adverse reaction in clinical trials. Compared with negative control group without any implant, spleen and lymph nodes morphology show no apparent swelling in mice with different doses of collagen sponge implants. Immune cells population, especially lymph nodes cells population, is practically coincident with organs. However, splenic cells display slight proliferation in early phase following collagen sponge implantation. Splenic cells apoptosis also demonstrates no significant difference among all groups. T lymphocytes subsets, CD4/CD8 cells ratio, in spleen and lymph nodes are practically normal. Splenic cells Ki67 + proportions do not exhibit significant difference between collagen sponge groups and negative control group. Humoral response is determined by detection of IgG and IgM concentration in serum, not exhibiting remarkable increase with collagen sponge implantation, compared to the drastic increase in positive control group with bovine tendon implantation. Local analysis around implants by hematoxylin-eosin staining discovers slight cell infiltration around collagen sponge. Tumour necrosis factor-alpha immunostaining indicates slight inflammation in early phase following collagen sponge implantation, but interferon-gamma immunostaining is negligible even in positive control group. Collagen sponge, especially in high dose, may have evoked benign immune response in BALB/c mice, but this response is transient. The present evaluation scheme for immune response is integrated and comprehensive, suitable for various biomaterials. PMID- 29199892 TI - Localized delivery of chemokine for in vitro manipulation of hepatocellular carcinoma cell behaviors during the epithelial-mesenchymal transition. AB - Hepatocellular carcinoma develops within an altered mechanical and biochemical environment. The chemokine C-X-C motif chemokine ligand 12 plays an important role in tumor cell metastasis during the process of the epithelial-mesenchymal transition. Here, we successfully engineered a biomimetic matrix made up of polyelectrolyte films with appropriate stiffness, which could present C-X-C motif chemokine ligand 12 in an immobilized status in a spatially controlled manner. The adsorbed amounts of C-X-C motif chemokine ligand 12 could be precisely adjusted over a large range from 27 ng/cm2 to 2.6 ug/cm2. Immobilized C-X-C motif chemokine ligand 12 induced an obvious increase in hepatocellular carcinoma cell adhesion, spreading, and migration in a dose-dependent manner. The phenomenon was associated with proportion changes of three phenotypes of cell morphology (round, polygonal, and elongated) and higher concentrations of immobilized C-X-C motif chemokine ligand 12 led to the rising number of elongated cells along with up regulation of the mesenchymal markers, as a critical step in epithelial mesenchymal transition. CD44 and integrin alphavbeta3 revealed the spatial coincidence in three cell phenotypes. Immobilized C-X-C motif chemokine ligand 12 induced ERK phosphorylation also exhibited dose-dependent manner. Our results highlight that an engineered matrix to locally deliver chemokine exhibits the potential to manipulate important cellular responses (including adhesion, spreading, migration, morphology, distribution of surface receptors, and signaling pathways) in the epithelial-mesenchymal transition process during hepatocellular carcinoma development. PMID- 29199893 TI - Nanoparticle/siRNA-based therapy strategies in glioma: which nanoparticles, which siRNAs? AB - Nanomedicines allow for the delivery of small interfering RNAs (siRNAs) that are otherwise barely suitable as therapeutics for inducing RNA interference (RNAi). In preclinical studies on siRNA-based glioma treatment in vivo, various groups of nanoparticle systems, routes of administration and target genes have been explored. Targeted delivery by functionalization of nanoparticles with a ligand for crossing the blood-brain barrier and/or for enhanced target cell transfection has been described as well. Focusing on nanoparticle developments in the last approximately 10 years, this review article gives a comprehensive overview of nanoparticle systems for siRNA delivery into glioma and of preclinical in vivo studies. Furthermore, it discusses various target genes and highlights promising strategies with regard to target gene selection and combination therapies. PMID- 29199894 TI - Local and systemic effects of a silver nitrate coated indwelling pleural catheter in an animal model of pleurodesis. AB - : Purpose/Aim of the study: This study assessed the safety and potential toxicity of a silver nitrate coated indwelling pleural catheter (SNCIPC) designed to create pleurodesis in a large animal model. MATERIALS AND METHODS: Sixteen animals underwent insertion of either a SNCIPC or an uncoated silicone catheter. Half of the animals were sacrificed at day 7 and the others at day 30. Animal weight and assessment of well-being, pleural fluid and blood collection were performed at regular intervals. Pleurodesis was assessed at necropsy and histopathological examination of organs performed. RESULTS: No mortality or significant clinical findings were observed throughout the experiment. SNCIPC treated animals had increased pleural fluid drainage overall (p < 0.001) and specifically on days 1-4. No differences in hemoglobin, white blood cell count or neutrophil counts were detected between groups. No treatment related histological findings were observed in any of the evaluated tissues outside of the treated area. Serum silver levels in SNCIPC catheter treated animals peaked on Day 4 (0.185 MUg/mL, 30 day group) then gradually decreased for the remainder of the study period. The highest tissue silver concentrations were noted in the SNCIPC groups in tissues close to the treatment site in addition to the liver (59.8ug/g +/- 8.6 and 73.3ug/g +/- 25). Pleurodesis scores were significantly higher in SNCIPC treated animals for both the 7 day (median 6.5 vs. 1.0, p = 0.029) and 30 day cohorts (median 7.0 vs. 1.5, p = 0.029). CONCLUSIONS: SNCIPC are well tolerated and not associated with any significant signs of toxicity. Silver levels were elevated in local tissues, serum and liver but without evidence of pathological impact. Effective pleurodesis was present by day 7 and more established by day 30. Clinical studies to investigate the safety and efficacy of this device in patients with malignant pleural effusions appear warranted. PMID- 29199895 TI - Radiological evaluation of scapholunate intercarpal ligamentoplasty for chronic scapholunate dissociation in cadavers. AB - We performed a cadaveric study to evaluate radiological performance of a technique for scapholunate intercarpal ligamentoplasty designed for treating reducible scapholunate dissociation. We created scapholunate instability in 12 fresh adult cadaveric forearms by sectioning the dorsal scapholunate interosseous ligament and the dorsal intercarpal ligament. All wrists showed scapholunate diastasis, dorsal intercalated segmental instability and posterior scaphoid subluxation. We performed scapholunate intercarpal ligamentoplasty in six wrists and Garcia-Elias three-ligament tenodesis in another six. Wrists were examined radiographically both after ligament sectioning and after ligamentoplasty to compare static and dynamic scapholunate gaps and scapholunate and capitolunate angles. Improvement was statistically significant in all measurements, reflecting a return to normal values. Posterior scaphoid subluxation was also corrected. There was no significant difference between the two treatment groups. Our findings suggest that ligamentoplasty can restore scapholunate joint stability and normal carpal anatomy. PMID- 29199896 TI - Sexual Norms for Lesbian and Bisexual Women in a Culture Where Lesbianism Is Not Acceptable Enough: The Japanese Survey About Sexual Behaviors, STIs Preventive Behaviors, and the Value of Sexual Relations. AB - This study aimed to identify key factors preventing STIs among women who have sex with women in Japan. This description is based on survey and open-ended responses from participants. The questionnaire contained participants' background, sexual behavior, STI prevention behavior, experience and knowledge of STIs, and the value of sex with women. 104 responded, and 92 (88.5 %) reported having sexual experience with women. A variety of sexual behaviors were reported. Regarding STIs, 14.4% of participants had an STI in past. Almost half of the participants cited measures to prevent STIs included hygienic activities. Participants believed that sexual relations accompany partnership with females. PMID- 29199897 TI - Upper and lower limb loading during weight-bearing activity in children: reaction forces and influence of body weight. AB - Weight bearing (WB) activity is important for healthy skeletal development. The magnitude of loading during WB activities, especially upper limb impacts, has yet to be quantified in children. This study quantifies ground reaction forces (GRF) experienced by children performing WB activities and examines the contribution of body weight (BW) to GRF. Fifty children, aged 8-12 were recruited (34 males). GRF were measured using force plates during 20 upper and lower limb activities (such as landing on the feet and hands). Sex differences in GRF and associations between peak force and BW were examined using independent sample t-tests and linear regressions (p < 0.05), respectively. Lower limb GRF varied from 2-6x BW with no significant sex differences. GRF during upper limb activities varied from 1/3-1.7x BW with males experiencing significantly greater GRF for 25% of activities. BW was significantly associated with peak force in almost all activities; however, GRF variation explained by BW was wide-ranging across activities and not dependent on limb or activity type (static vs dynamic). Therefore, factors other than BW, such as technique, may be important in determining forces experienced by children performing WB activity and should be considered when choosing activities for WB activity interventions. PMID- 29199898 TI - Conditional Effects of Gain-Loss-Framed Narratives among Current Smokers at Different Stages of Change. AB - This study examines how current smokers respond differently to gain-loss-framed antismoking narratives depending on their stages of change to quit smoking. An experiment (N = 461) was conducted with a 2 (narrative perspective: first person vs. third person) * 2 (framing: gain vs. loss) factorial design having smoker's stage of change (precontemplation vs. contemplation/preparation) as a moderator. We observed differential framing effects depending on smoker's current stages of change only when they were exposed to first-person narratives. For precontemplators, a loss-framed (vs. a gain-framed) first-person narrative induced greater quit intentions and stage progression. Conversely, among contemplators and preparers, a gain-framed (vs. a loss-framed) first-person narrative led to greater quit intentions and stage progression. These interactive patterns were partly mediated by self-referencing and perceived similarity. This study proposes an alternative mechanism to explain the conditional framing effect by stages of change and highlights the importance of tailoring messages to smoker's psychosocial characteristics and needs. PMID- 29199899 TI - Alcohol and Drug Use, Pain and Psychiatric Symptoms among Adults Seeking Outpatient Psychiatric Treatment: Latent Class Patterns and Relationship to Health Status. AB - BACKGROUND: Substance use, psychiatric problems, and pain frequently co-occur, yet clinical profiles of treatment-seeking patients are poorly understood. To inform service and treatment planning, substance use and symptom patterns were examined in an outpatient psychiatry clinic, along with the relationship of these patterns to demographic characteristics and physical health. METHODS: Patients (N = 405; age M = 38; 69% White; 60% female) presenting for intake in a psychiatry outpatient clinic completed a computerized assessment of psychiatric problems, drinking, and drug use. Substance use and psychiatric symptom patterns among the sample were identified using latent class analysis. RESULTS: A 4-class model fit the data best: Class (1) Moderate symptoms/wide-range users (22.0%) had moderate depression and panic; tobacco, cocaine, hallucinogen, and ecstasy use; and high cannabis use. Class (2) Moderate depression/panic (37.8%) had moderate depression and panic. Class (3) Depression/anxiety, tobacco, and cannabis users (28.0%) had high depression, obsessions, and panic, and moderate pain severity, social phobia, compulsions, trauma, tobacco, and cannabis use. Class (4) Severe/wide range symptoms/users (12.0%) had high panic, depression, social phobia, obsessions, drug use, and moderate pain. Gender, ethnicity, and health status varied by class. CONCLUSIONS: Findings highlight the preponderance of substance use (particularly cannabis) and its relationship to psychiatric symptom severity, pain, and health status among those presenting for mental health treatment. PMID- 29199901 TI - An Evaluation of Practitioner's Experience of Service Users Seeking Community Detoxification from Benzodiazepines. AB - A recent report in Ireland identified that two-thirds of poisoning deaths involved poly drug use with an average of four different drugs involved. Of these, benzodiazepines were the most common drug group involved. Concern has been expressed regarding high levels of benzodiazepine prescriptions globally. Community-based detoxification programs are required, but detoxification is complex with associated high risks, such as overdose. This study utilized a survey to gather the experiences of a range of drug workers in addiction settings in the southern region of Ireland who are tasked with the management of supporting service users who wish to detoxify from benzodiazepines. The purpose of this study is to identify the issues highlighted in the data and consequently inform policy development, service delivery, future training, and pathways to support service users (SUs). Findings indicate that, while practitioners had high levels of confidence in managing community-based detoxes, levels of knowledge of schedules, contraindications, access to support, and appropriate referral pathways were limited. Barriers to supporting detoxes emerged, emphasizing the importance of multidisciplinary and interagency care planning. Changing trends in drug use led participants to indicate a need for pharmacology training and development of specific local protocols. PMID- 29199900 TI - A prescribed walking regimen plus arginine supplementation improves function and quality of life for patients with pulmonary arterial hypertension: a pilot study. AB - Current evidence suggests that exercise training is beneficial in pulmonary arterial hypertension (PAH). Unfortunately, the standard supervised, hospital based programs limit patient accessibility to this important intervention. Our proof-of-concept study aimed to provide insight into the usefulness of a prescribed walking regimen along with arginine supplementation to improve outcomes for patients with PAH. Twelve PAH patients (all women) in New York Heart Association (NYHA) functional class (FC) II (n = 7) or III (n = 5) and in stable condition for >= 3 months were enrolled. Patients performed home- and fitness center- based walking at 65-75% heart rate (HR) reserve for 45 min, six sessions/week for 12 weeks. Concomitant L-arginine supplementation (6000 mg/day) was provided to maximize beneficial endothelial training adaptations. Cardiopulmonary exercise testing, 6-min walk testing (6MWT), echocardiography, laboratory studies, and quality of life (QoL) survey (SF-36) were performed at baseline and 12 weeks. Eleven patients completed the study (72 session adherence rate = 96 +/- 3%). Objective improvement was demonstrated by the 6MWT distance (increased by 40 +/- 13 m, P = 0.01), VO2max (increased by 2 +/- 0.7 mL/kg/min, P = 0.02), time-to-VO2max (increased by 2.5 +/- 0.6 min, P = 0.001), VO2 at anaerobic threshold (increased by 1.3 +/- 0.5 mL/kg/min, P = 0.04), HR recovery (reduced by 68 +/- 23% in slope, P = 0.01), and SF-36 subscales of Physical Functioning and Energy/Fatigue (increased by 70 +/- 34% and 74 +/- 34%, respectively, P < 0.05). No adverse events occurred, and right ventricular function and brain natriuretic peptide levels remained stable, suggesting safety of the intervention. This proof-of-concept study indicates that a simple walking regimen with arginine supplementation is a safe and efficacious intervention for clinically stable PAH patients, with gains in objective function and QoL measures. Further investigation in a randomized controlled trial is warranted. PMID- 29199902 TI - Examining associations among sensitivity to punishment and reward, shame, and eating pathology through tests of mediation. AB - This study investigated associations between sensitivity to punishment and reward, shame, and eating pathology by testing alternative mediation models in which shame mediated associations between temperament and eating pathology or eating pathology mediated associations between temperament and shame. Participants were 96 female undergraduate students who completed questionnaires. Results indicated shame fully mediated the relationship between sensitivity to punishment and eating pathology. Further, eating pathology did not mediate the association between sensitivity to punishment and shame. In contrast, for sensitivity to reward, shame fully mediated the relationship between sensitivity to reward and eating pathology, and eating pathology fully mediated the relationship between sensitivity to reward and shame. If associations are supported by longitudinal research, results suggest that it may be valuable to develop prevention approaches targeting shame to reduce risk for the development of eating pathology for those who are high in sensitivity to punishment. For those higher in sensitivity to reward, interventions targeting shame may reduce risk for eating pathology and those targeting eating pathology may reduce shame. PMID- 29199904 TI - The Association of Oncology Social Work's Project to Assure Quality Cancer Care (APAQCC). AB - In 2014, the Association for Oncology Social Work (AOSW) established A Project to Assure Quality Cancer Care (APAQCC), a group of oncology social workers representing sixty-five Commission on Cancer (CoC)-accredited cancer programs across the US (including two in Canada). Its aims were (1) to examine the capacity of cancer programs to provide quality psychosocial support services, and (2) to evaluate the implementation of distress screening. The purpose of this paper is to describe how this collaborative research program was created and implemented under the auspices of AOSW, and to report on its impact on the oncology social workers who participated. PMID- 29199903 TI - More than a biomarker: the systemic consequences of heparan sulfate fragments released during endothelial surface layer degradation (2017 Grover Conference Series). AB - Advances in tissue fixation and imaging techniques have yielded increasing appreciation for the glycosaminoglycan-rich endothelial glycocalyx and its in vivo manifestation, the endothelial surface layer (ESL). Pathological loss of the ESL during critical illness promotes local endothelial dysfunction and, consequently, organ injury. Glycosaminoglycan fragments, such as heparan sulfate, are released into the plasma of animals and humans after ESL degradation and have thus served as a biomarker of endothelial injury. The development of state-of-the art glycomic techniques, however, has revealed that these circulating heparan sulfate fragments are capable of influencing growth factor and other signaling pathways distant to the site of ESL injury. This review summarizes the current state of knowledge concerning the local (i.e. endothelial injury) and systemic (i.e. para- or endocrine) consequences of ESL degradation and identifies opportunities for future, novel investigations. PMID- 29199905 TI - Potentially inappropriate medication in primary care at the end of life: a mixed method study. AB - CONTEXT: Polypharmacy results in adverse drug interactions, high pill burden, and medication costs. Stopping or diminishing potentially inappropriate medication (PIM), is complex . Data on the use of PIM in a primary care context are scarce and deprescribing barriers for general practitioners (GP) are underexplored. OBJECTIVE: Describing the use of PIM in primary care at the end of life, and exploring the barriers for GPs to deprescribe. METHODS: Retrospective chart review of 210 consecutive patients referred to a palliative home care service and semi-structured interviews with 11 GPs. Percentages were calculated on medication use, linear regression was done to evaluate the effect of diagnosis on PIM use. Thematic analysis was used to analyze the interviews. RESULTS: In total 83 % of patients took at least one PIM. The proportion that continued taking PIMs at the time of referral, one week prior to death and at the day of dying: varies between 6% and 45% according to drug category. Linear regression showed a statistical significant (p < 0.001) higher number of PIM use with non-cancer patients (mean 3,1-SD 1,5) than with cancer patients (mean 1,6-SD 1,6). Participants reported being aware of the PIM use, making efforts to deprescribe. Main issues GPs are taking into account are medical, communicative, and collaborative in nature. CONCLUSION: This study confirms the high level of PIM use in primary care at the end of life. The views of GPs inspire support strategies for deprescribing focusing on shared decision-making with patients and on interprofessional collaboration. PMID- 29199906 TI - Racial/Ethnic Differences in Prevalence and Correlates of Blunt Smoking among Adolescents. AB - Blunt use is pervasive among adolescents. The study uses cross-sectional data from the 2014 National Survey on Drug Use and Health to examine sociodemographic, health, and other substance use correlates of current and lifetime blunt use among 12,036 African American, White, and Hispanic/Latino adolescents. Findings revealed that 5.3% of African American, 4.3% of Hispanic/Latino, and 3.8% of White adolescents reported past-30-day blunt use. Age and substance use other than marijuana were consistent correlates of current and lifetime blunt use across all racial/ethnic groups. However, other illicit drug use and alcohol use were differentially associated with lifetime and past-30-day blunt use by race/ethnicity. Gender, family income, lifetime depression, and overall health status were not associated with lifetime or past-30-day blunt use. The link between other substance use and blunt use varies by race/ethnicity among adolescents. Future blunt use prevention and treatment interventions should consider racial/ethnic differences in the association between other substance use and blunt use among African American, White, and Hispanic/Latino adolescents. PMID- 29199907 TI - Gaydar, Marriage, and Rip-Roaring Homosexuals: Discourses About Homosexuality in Dear Abby and Ann Landers Advice Columns, 1967-1982. AB - Over the past 70 years, the history of acceptance of the lesbian, gay and bisexual (LGB) community within the United States has seen much change and fluctuation. One of the places that this dialogue has been preserved is through the syndicated advice columns of Dear Abby and Ann Landers, in which individuals in the United States were writing in for advice to deal with their anxiety over a newly emerging and highly visible new community of individuals once considered to be mentally ill and dangerous. Using discourse analysis, this article traces the evolution of public and scientific opinions about the LGBT community during the years leading up to the Stonewall riots all the way to right before the AIDs epidemic. This analysis sheds light on several moral panics that emerged regarding this newly visible population, especially in regard to disturbances within the domestic sphere and a stigmatization of bisexuality. PMID- 29199908 TI - "We are Two of the Lucky Ones": Experiences with Marriage and Wellbeing for Same Sex Couples. AB - Happy marriages provide protective health benefits, and social support is a key factor in this association. However, previous research indicates one of the greatest differences between same- and different-sex couples is less social support for same-sex couples. Our goal was to examine the extent to which formal markers of couple status (e.g., marriage) impact wellbeing among same-sex married partners. Using a mixed-methods approach, data were collected from 218 primarily White gay and lesbian individuals in the Midwest. Quantitative analysis revealed individuals in a prior formal union with a different-sex partner reported the lowest levels of sexuality specific social support and acceptance. Qualitative analysis revealed four primary impacts of marriage on support from family, friends, and co-workers: no change, increased support, decreased support, and a synthesis of mixed support. Three mechanisms prompting change in the family were identified and are presented. PMID- 29199909 TI - Research Priorities for Healthcare Chaplaincy: Views of U.S. Chaplains. AB - Chaplains in the United States and around the world appear to support an evidence based practice approach to chaplaincy. While there continues to be strong growth in spiritual care research, several spiritual care researchers have stressed the need for a research agenda for chaplaincy. This study investigated the research priorities of chaplains who completed a survey distributed at four chaplaincy conferences in 2016. A total of 193 chaplains responded, resulting in 499 comments. When compared to the findings of existing literature regarding research priorities for chaplaincy, chaplain's views of research priorities appear to be very consistent with views of chaplaincy leaders. Both prioritize research on outcomes of spiritual care, the development and testing of the effectiveness of interventions, the development and evaluation of assessment and screening tools and research about key subgroups of patients. The chaplains in the survey however added to the agenda research regarding competencies, education, and certification and research regarding the chaplain and the team. PMID- 29199910 TI - Impact of four times daily dosing of oral treprostinil on tolerability and daily dose achieved in pulmonary hypertension. AB - Oral treprostinil (TRE) is a prostacylin that is approved for the treatment of patients with pulmonary arterial hypertension (PAH). Dosing is approved for two or three times daily (t.i.d.); however, adverse effects, including gastrointestinal-related symptoms, may limit the ability to reach optimal doses. We report our experience with a four times daily (q.i.d.) regimen of oral TRE for goal-directed therapy of PAH. We describe three patients that were transitioned from infusion or inhaled TRE to oral TRE with initial t.i.d. dosing over a four day hospital stay. All patients were subsequently further dose-adjusted in the outpatient setting; however, adverse effects limited additional up-titration despite persistent dyspnea. In a carefully monitored outpatient setting, patients were switched from t.i.d. to q.i.d. dosing of oral TRE. All three patients were successfully dosed q.i.d., having achieved a higher total daily dose compared with a t.i.d. dose regimen. Furthermore, patients were able to maintain functional class II symptoms with mitigation of adverse effects using the q.i.d. dose regimen. PMID- 29199911 TI - An unexpected cause of liver cirrhosis and cardiomyopathy in a young man. AB - Introduction Juvenile hemochromatosis is a rare but severe form of hereditary hemochromatosis that typically presents early in life and can be fatal if left untreated. Case presentation We present the case of a 30-year-old man with a clear symptomatology of juvenile hemochromatosis, but in whom the diagnosis was initially mistaken for alcoholic liver disease because of known excessive use of alcohol, with the consequence that an adequate treatment was postponed. Discussion In this report, we discuss the diagnosis and treatment of juvenile hemochromatosis, focusing on the interaction between hemochromatosis and alcohol induced liver disease and how to differentiate both. We conclude that every young patient with suspected alcoholic liver disease and signs of iron overload should have a testing to rule out other iron overloading pathology, since early recognition and treatment with phlebotomy may prevent organ damage and improve life expectancy. PMID- 29199912 TI - The Effects of School-Based Discrimination on Adolescents of Color Sexual Health Outcomes: A Social Determinants Approach. AB - Social inequalities are at the heart of disparities in sexual health outcomes among African American and Latino/a adolescents living in the United States. Schools are typically the largest and primary context in youth development. School characteristics such as peer and teacher discrimination and school performance were examined to determine whether such characteristics predict sexual behavior in adolescents of color. This study utilized a representative sample of high school age students to assess sexual risk behavior. Findings indicate that there was a clear disparity in sexually transmitted infection diagnoses. School characteristics such as teacher discrimination and Grade Point Average were significant predictors to sexual risky behaviors among adolescents of color. The study adds to the literature in examining contextual factors that are associated with adolescent sexual risk behavior, and findings provide implications for future prevention work. PMID- 29199913 TI - Elimination of mother-to-child transmission of syphilis: Is it a reality in Nigeria by 2020? AB - BACKGROUND: Congenital syphilis is a global health problem, yet it has received little attention in recent years. Despite cost-effective syphilis screening and treatment, it continues to contribute hugely to perinatal morbidity and mortality worldwide. AIMS: To determine the prevalence and treatment coverage trend for syphilis among pregnant women in the national prevention of mother-to-child transmission programme in Nigeria and to evaluate progress towards the elimination of congenital syphilis in the country. METHODS: A retrospective analysis of validated national health sector performance data on pregnant women attending antenatal care at prevention of mother-to-child transmission clinics from 2013 to 2016 in Nigeria. RESULTS: The proportion of new antenatal care attendees who annually received serological testing for syphilis increased from 12.2% in 2013 to 16.3% in 2016 (p-trend<0.0001). Although the prevalence of maternal syphilis decreased from 3.2% in 2013 to 1.4% in 2016 (p-trend<0.0001), the syphilis treatment coverage during pregnancy has decreased from 71.3% in 2013 to 54.9% in 2016 (p-trend<0.0001). CONCLUSIONS: Maternal syphilis screening and treatment in Nigeria are inadequate to meet the elimination aspirations. A rapid scale-up of antenatal care syphilis screening and treatment are crucial to averting an epidemic in Nigeria by 2020. PMID- 29199914 TI - Rethinking the relationship between socioeconomic status and health: Challenging how socioeconomic status is currently used in health inequality research. AB - AIMS: The Scandinavian Journal of Public Health recently reiterated the importance of addressing social justice and health inequalities in its new editorial policy announcement. One of the related challenges highlighted in that issue was the limited use of sociological theories able to inform the complexity linking the resources and mechanisms captured by the concept of socioeconomic status. This debate article argues that part of the problem lies in the often unchallenged reliance on a generic conceptualization and operationalization of socioeconomic status. These practices hinder researchers' capacity to examine in finer detail how resources and circumstances promote the unequal distribution of health through distinct yet intertwined pathways. As a potential way forward, this commentary explores how research practices can be challenged through concrete publication policies and guidelines. To this end, we propose a set of recommendations as a tool to strengthen the study of socioeconomic status and, ultimately, the quality of health inequality research. CONCLUSIONS: Authors, reviewers, and editors can become champions of change toward the implementation of sociological theory by holding higher standards regarding the conceptualization, operationalization, analysis, and interpretation of results in health inequality research. PMID- 29199915 TI - Extent and quality of drug use in community-dwelling people aged >=75 years: A Swedish nationwide register-based study. AB - AIMS: It is important for district nurses and other health professionals in primary care to gain more insight into the patterns and quality of drug use in community-dwelling older people, particularly in 75-year-olds, who have been the target of preventive home visits. This study aimed to examine the extent and quality of drug use in community-dwelling older people and to compare drug use in 75-year-olds with that of older age groups. METHODS: Data from 2013 on people aged >=75 years were obtained from the Swedish Prescribed Drug Register. Those living in the community (671,940/739,734 people aged >=75 years) were included in the study. Quality of drug use was assessed by using a selection of indicators issued by the Swedish National Board of Health and Welfare. RESULTS: The prevalence of polypharmacy and of many drug groups increased with age, as did several indicators of inappropriate drug use. However some drug groups, as well as inappropriate drugs, were prevalent in 75-year-olds and declined with age, for example diabetes drugs, drugs with major anticholinergic effects and nonsteroidal anti-inflammatory drugs. CONCLUSIONS: The substantial use of some drugs as early as 75 years of age confirms the value of including drug use as a topic in preventive home visits to 75-year-olds. The finding that polypharmacy and many measures of inappropriate drug use increased with age in community-dwelling older people also underscores the importance of district nurses' role in continuing to promote safe medication management at higher ages. PMID- 29199916 TI - Independent medical evaluation for sick-listed workers in Norway: A focus group study of the experience of IME doctors. AB - BACKGROUND: Norwegian politicians have proposed the use of an independent medical evaluation (IME) as a possible solution for reducing long-term sick leave. The use of an IME implies that a new doctor interferes in the relationship between sick-listed workers and their general practitioner (GP). The aim of the current study was to explore experiences of IME doctors from an ongoing randomized controlled trial (the NIME trial evaluating the effect of IME in Norway). METHODS: Two focus group interviews were conducted with eight of the nine IME doctors employed in the NIME trial. The discussions were audio-taped and transcribed. Systematic text condensation was used for analysis. RESULTS: The participants reported that the IME provides important second opinions, which they felt empowered the sick-listed workers and provided new insights into their condition. Beneficial IME working conditions and enhanced insight into different sick leave measures were crucial to this perceived usefulness. Some of the participants expressed disappointment with GPs acting as passive conductors and struggled to provide feedback politely. Some adjustments were proposed as necessary for the IME to be implemented nationwide. CONCLUSIONS: The participants seemed to have gained a different stakeholder identity by sometimes seeing GPs, their peers, as obstacles to return to work and welcomed the use of IME on a regular basis. PMID- 29199917 TI - Has life satisfaction in Norway increased over a 20-year period? Exploring age and gender differences in a prospective longitudinal study, HUNT. AB - AIM: The aim of the present study was to investigate the change in overall life satisfaction for different age groups and between genders over a 20-year period. METHODS: Data from 1984 to 2008 were extracted from a large prospective longitudinal health study of Nord-Trondelag (HUNT), Norway. The study included more than 176,000 participants ranging from 20 to 70+ years of age. Data were analysed using logistic regression and adjusted for gender. RESULTS: The analyses revealed an increase in life satisfaction for all age groups from 1984-1986 (HUNT 1) to 1995-1997 (HUNT 2), with the highest levels being reached at 2006-2008 (HUNT 3). For all age groups, the data showed an increase of about 20% for the period from 1984-1986 (HUNT 1) to 1995-1997 (HUNT 2). From 1995-1997 (HUNT 2) to 2006-2008 (HUNT 3), the increase in overall life satisfaction was 16% for the younger age groups, and about 32% for the older age groups (40-69 and 70+ years). Women's scores for overall life satisfaction were higher for nearly all age groups when compared to men using HUNT 3 as a reference. CONCLUSIONS: These findings suggest an increase in life satisfaction for all age groups from 1984 to 2008, especially for the older age group (40-69 and 70+ years). The data indicate that women score higher on life satisfaction for most age groups as compared to men. PMID- 29199919 TI - Editorial: Molecular Scenarios Behind Infectious Diseases. PMID- 29199918 TI - Editorial: Improving Neuropharmacology using Big Data, Machine Learning and Computational Algorithms. PMID- 29199920 TI - Consumers' understanding and expectations of a community-based recovery-oriented mental health rehabilitation unit: a pragmatic grounded theory analysis. AB - AIMS: Incorporating consumer perspectives into mental health services design is important in working to deliver recovery-oriented care. One of the challenges faced in mental health rehabilitation services is limited consumer engagement with the available support. Listening to consumers' expectations of mental health services, and what they hope to achieve, provides an opportunity to examine the alignment between existing services and the priorities and preferences of the people who use them. We explored consumer understandings and expectations of three recovery-oriented community-based residential mental-health rehabilitation units using semi-structured interviews; two of these units were trialling a staffing model integrating peer support with clinical care. METHODS: Twenty-four consumers completed semi-structured interviews with an independent interviewer during the first 6 weeks of their stay at the rehabilitation unit. Most participants had a primary diagnosis of schizophrenia or a related psychotic disorder (87%). A pragmatic approach to grounded theory guided the analysis, facilitating identification of content and themes, and the development of an overarching conceptual map. RESULTS: The rehabilitation units were considered to provide a transformational space and a transitional place. The most common reason given for engagement was housing insecurity or homelessness rather than the opportunity for rehabilitation engagement. Differences in expectations did not emerge between consumers entering the clinical and integrated staffing model sites. CONCLUSIONS: Consumers understand the function of the rehabilitation service they are entering. However, receiving rehabilitation support may not be the key driver of their attendance. This finding has implications for promoting consumer engagement with rehabilitation services. The absence of differences between the integrated and clinical staffing models may reflect the novelty of the rehabilitation context. The study highlights the need for staff to find better ways to increase consumer awareness of the potential relevance of evidence based rehabilitation support to facilitating their recovery. PMID- 29199921 TI - Developing a community HCV service: project ITTREAT (integrated community-based test - stage - TREAT) service for people who inject drugs. AB - : Background and aims Majority of the individuals with hepatitis C virus (HCV) infection in England are people who inject drugs, a vulnerable and disenfranchised cohort with poor engagement with secondary care. Our aim is to describe our experiences in setting up a successful nurse led HCV service at a substance misuse service (SMS). METHODS: We justify the need for a community HCV service and review the different community based models. Our experiences in engaging with stakeholders, obtaining funding, service set up, challenges faced and key recommendations are discussed. Finally, a summary of interim clinical outcomes is presented. RESULTS: A successful community based "one-stop" nurse led HCV service was set up in Dec 2013 at a large SMS. It provides all aspects of care (blood borne virus screening, non-invasive assessment of hepatic fibrosis, Hepatology input, HCV treatment, peer mentor, social and psychiatrist support, and opiod substitution) at one site. Interim clinical data indicate high service uptake with HCV treatment outcomes comparable to secondary care. CONCLUSIONS: The advent of direct acting antivirals provides a unique opportunity for HCV elimination in England by 2030. Our "one-stop" integrated and multidisciplinary community HCV model suggests that HCV care can be successfully delivered outside of a hospital setting and warrants national adoption. PMID- 29199922 TI - Evaluating population salt reduction programmes worldwide: the risk of cutting corners! PMID- 29199923 TI - Micronutrient status in middle childhood and age at menarche: results from the Bogota School Children Cohort. AB - Childhood intake of animal foods is associated with age at first menstrual period (menarche). It is unknown whether the micronutrients present in these foods could explain this association. Our objective was to investigate the associations of micronutrient status biomarkers in middle childhood with age at menarche. We quantified circulating Hb, ferritin, mean corpuscular volume, Zn, vitamin B12, erythrocyte folate and retinol in 1464 pre-menarcheal girls aged 5-12 years in Bogota, Colombia, and followed them for a median 5.7 years for the occurrence and date of menarche. We estimated median age at menarche and hazard ratios (HR) with 95 % CI by levels of each biomarker with use of Kaplan-Meier survival probabilities and Cox regression, respectively. Median age at menarche was 12.4 years. Middle childhood Hb was inversely related to age at menarche whereas plasma ferritin was positively associated with this outcome in a linear manner. HR of menarche for every 1 sd of Hb (11 g/l) and ferritin (23.2 ug/l) were 1.11 (95 % CI 1.04, 1.18; P=0.001) and 0.94 (95 % CI 0.88, 0.99; P=0.02), respectively, after adjustment for baseline age, C-reactive protein concentration, maternal age at menarche and parity and socioeconomic status. The association with ferritin was stronger in girls aged 9-10 years at baseline. Additional adjustment for baseline height- and BMI-for-age did not change the results. We conclude that higher Fe status in middle childhood is related to later age at menarche whereas Hb concentrations are inversely associated with age at onset of menses. PMID- 29199925 TI - Exhibiting Good Health: Public Health Exhibitions in London, 1948-71. AB - This article examines the changing nature of public health services and their relationship with the public in post-war Britain by an analysis of the exhibitions mounted by Medical Officers of Health (MOsH) in London. Focusing on the period 1948-71, the article explores a time when public health practice, and the problems it faced, were in flux. A decline in infectious disease and an increase in chronic conditions linked to lifestyle required a new role for public health services. Exhibitions were one of several methods that MOsH used to inform the public about dangers to their health, but also to persuade them to change their behaviour. The exhibition, though, offers a unique insight into the relationship between public health authorities and the public, as exhibitions brought MOsH into direct contact with people. It is suggested that in the MOsH exhibitions we can find signs of a new relationship between public health practitioners and the public. Whilst elements of the pre-war, often moralistic ideology of public health services could still be detected, there is also evidence of a more nuanced, responsive dynamic between practitioners and the people. By the end of the 1960s, 'the public' was increasingly being thought of as a collection of 'publics', including individuals, target groups and vocal respondents. PMID- 29199924 TI - Longitudinal Associations among Posttraumatic Stress Disorder Symptoms, Traumatic Brain Injury, and Neurocognitive Functioning in Army Soldiers Deployed to the Iraq War. AB - OBJECTIVES: Military deployment is associated with increased risk of adverse emotional and cognitive outcomes. Longitudinal associations involving posttraumatic stress disorder (PTSD), relatively mild traumatic brain injury (TBI), and neurocognitive compromise are poorly understood, especially with regard to long-term outcomes, and rigorous research is necessary to better understand the corresponding relationships. The objective of this study was to examine short-term and long-term (>5 years) longitudinal associations among PTSD, neurocognitive performance, and TBI following military deployment. METHODS: In this prospective study, N=315 U.S. Army soldiers were assessed at military installations before (2003-2005) and after (2004-2006) an index deployment to the Iraq War, and again an average of 7.6 years later (2010-2014) as a nationally dispersed cohort of active duty soldiers, reservists, and veterans. Thus, the study design allowed for two measurement intervals over which to examine changes. All assessments included the PTSD Checklist, civilian version, and individually administered performance-based neurocognitive tests. TBI history was derived from clinical interview. RESULTS: Autoregressive analyses indicated that visual reproduction scores were inversely related to subsequent PTSD symptom severity at subsequent assessments. Conversely, increases in PTSD symptom severity over each measurement interval were associated with poorer verbal and/or visual recall at the end of each interval, and less efficient reaction time at post-deployment. TBI, primarily mild in this sample, was associated with adverse PTSD symptom outcomes at both post-deployment and long-term follow-up. CONCLUSIONS: These results suggest longitudinal relationships among PTSD symptoms, TBI, and neurocognitive decrements may contribute to sustained emotional and neurocognitive symptoms over time. (JINS, 2018, 24, 311-323). PMID- 29199926 TI - 'From Defensive Paranoia to ...Openness to Outside Scrutiny': Prison Medical Officers in England and Wales, 1979-86. AB - This article examines how a branch of medicine based within the criminal justice system responded to a society which by the 1970s and 1980s was increasingly critical of the prison system and medical authority. The Prison Medical Service, responsible for the health care of prisoners in England and Wales, was criticised by prison campaigners and doctors alike for being unethical, isolated, secretive, and beholden to the interests of the Home Office rather than those of their patients. While prison doctors responded defensively to criticisms in the 1970s and 1980s, comparing their own standards of practice favourably with those found in the NHS, and arguing that doctors from outside would struggle to cope in the prison environment, by 1985 their attitudes had changed. Giving evidence to a House of Commons committee, prison doctors displayed a much greater willingness to discuss how the prison system made their work more difficult, and expressed a pronounced desire to engage openly with the rest of the profession to address these problems. The change of attitude partly reflects a desire by the Home Secretary William Whitelaw to make the Prison Service more open, and an acceptance of a need for greater accountability in medicine generally. Most important, however, was a greater interest in prison health care and appreciation of the difficulties of prison practice among the wider medical profession, encouraging prison doctors to speak out. This provides a case study of how a professional group could engage openly with criticisms of their work under favourable circumstances. PMID- 29199927 TI - Boyish Mannerisms and Womanly Coquetry: Patients with the Diagnosis of Transvestitismus in the Helsinki Psychiatric Clinic in Finland, 1954-68. AB - This article examines the case files of patients diagnosed with Transvestitismus [transvestism] in the Psychiatric Clinic of the Helsinki University Central Hospital in the years 1954-68. These individuals did not only want to cross dress, but also had a strong feeling of being of a different sex from their assigned one. The scientific concept of transsexuality had begun to take form, and this knowledge reached Finland in phases. The case files of the transvestism patients show that they were highly aware of their condition and were very capable of describing it, even if they had no medical name for it. Psychiatrists were willing to engage in dialogue with the patients, and did not treat them as passive objects of study. Although some patients felt that they had been helped, many left the institution as frustrated, angered or desperate as before. They had sought medical help in the hope of having their bodies altered to correspond to their identity, but the Clinic psychiatrists insisted on seeing the problem in psychiatric terms and did not recommend surgical or hormonal treatments in most cases. This attitude would gradually change over the course of the 1970s and 1980s. PMID- 29199928 TI - Finding a Space for Women: The British Medical Association and Women Doctors in Australia, 1880-1939. AB - This paper examines the experiences of women in one professional organisation - the British Medical Association in Australia - during a significant period in the development of such bodies. In doing so it offers an opportunity to consider the relationship between professional societies and the construction of a gendered profession. For the medical profession in particular the time-frame of this study, from the 1880s to the 1930s, has been regarded by scholars as especially important. In this period various features of medical professionalism came to prominence: the status and authority of doctors, the processes of formally registering medical credentials, and the scope and cohesiveness of professional associations. Taking the third of these themes, the current paper extends previous analyses by uniting gender with history and medicine as the central point of examination, in order to evaluate the changing and contested positions of women within the profession. In this way we not only demonstrate how the history of professional societies can reveal the diverse beliefs and shifting priorities of their members, but also contribute to explaining the remarkable persistence of gendered differences in the medical profession. PMID- 29199929 TI - Healing a Sick World: Psychiatric Medicine and the Atomic Age. AB - The onset of nuclear warfare in Hiroshima and Nagasaki had far-reaching implications for the world of medicine. The study of the A-bomb and its implications led to the launching of new fields and avenues of research, most notably in genetics and radiation studies. Far less understood and under-studied was the impact of nuclear research on psychiatric medicine. Psychological research, however, was a major focus of post-war military and civilian research into the bomb. This research and the perceived revolutionary impact of atomic energy and warfare on society, this paper argues, played an important role in the global development of post-war psychiatry. Focusing on psychiatrists in North America, Japan and the United Nations, this paper examines the reaction of the profession to the nuclear age from the early post-war period to the mid 1960s. The way psychiatric medicine related to atomic issues, I argue, shifted significantly between the immediate post-war period and the 1960s. While the early post-war psychiatrists sought to help society deal with and adjust to the new nuclear reality, later psychiatrists moved towards a more radical position that sought to resist the establishment's efforts to normalise the bomb and nuclear energy. This shift had important consequences for research into the psychological trauma suffered by victims of nuclear warfare, which, ultimately, together with other research into the impact of war and systematic violence, led to our current understanding of Post-Traumatic Stress Disorder (PTSD). PMID- 29199942 TI - Criminocorpus: Browsing through the French History of Crime and Medicine. PMID- 29199930 TI - Lechebnaia pedagogika: The Concept and Practice of Therapy in Russian Defectology, c. 1880-1936. AB - Therapy is not simply a domain or form of medical practice, but also a metaphor for and a performance of medicine, of its functions and status, of its distinctive mode of action upon the world. This article examines medical treatment or therapy (in Russian lechenie), as concept and practice, in what came to be known in Russia as defectology (defektologiia) - the discipline and occupation concerned with the study and care of children with developmental pathologies, disabilities and special needs. Defectology formed an impure, occupationally ambiguous, therapeutic field, which emerged between different types of expertise in the niche populated by children considered 'difficult to cure', 'difficult to teach', and 'difficult to discipline'. The article follows the multiple genealogy of defectological therapeutics in the medical, pedagogical and juridical domains, across the late tsarist and early Soviet eras. It argues that the distinctiveness of defectological therapeutics emerged from the tensions between its biomedical, sociopedagogical and moral-juridical framings, resulting in ambiguous hybrid forms, in which medical treatment strategically interlaced with education or upbringing, on the one hand, and moral correction, on the other. PMID- 29199944 TI - MDH volume 62 Issue 1 Cover and Back matter. PMID- 29199945 TI - Evaluating mental health service use during and after emergency department visits in a multisite cohort of Canadian children and youth. AB - OBJECTIVES: The goal of this study was to examine the mental health needs of children and youth who present to the emergency department (ED) for mental health care and to describe the type of, and satisfaction with, follow-up mental health services accessed. METHODS: A 6-month to 1.5-year prospective cohort study was conducted in three Canadian pediatric EDs and one general ED, with a 1-month follow-up post-ED discharge. Measures included 1) clinician rating of mental health needs, 2) patient and caregiver self-reports of follow-up services, and 3) interviews regarding follow-up satisfaction. Data analysis included descriptive statistics and the Fisher's exact test to compare sites. RESULTS: The cohort consisted of 373 children and youth (61.1% female; mean age 15.1 years, 1.5 standard deviation). The main reason for ED presentations was a mental health crisis. The three most frequent areas of need requiring action were mood (43.8%), suicide risk (37.4%), and parent-child relational problems (34.6%). During the ED visit, 21.6% of patients received medical clearance, 40.9% received a psychiatric consult, and 19.4% were admitted to inpatient psychiatric care. At the 1-month post-ED visit, 84.3% of patients/caregivers received mental health follow-up. Ratings of service recommendations were generally positive, as 60.9% of patients obtained the recommended follow-up care and 13.9% were wait-listed. CONCLUSIONS: Children and youth and their families presenting to the ED with mental health needs had substantial clinical morbidity, were connected with services, were satisfied with their ED visit, and accessed follow-up care within 1-month with some variability. PMID- 29199946 TI - Stimulation of hair follicle stem cell proliferation through an IL-1 dependent activation of gammadeltaT-cells. AB - The cutaneous wound-healing program is a product of a complex interplay among diverse cell types within the skin. One fundamental process that is mediated by these reciprocal interactions is the mobilization of local stem cell pools to promote tissue regeneration and repair. Using the ablation of epidermal caspase-8 as a model of wound healing in Mus musculus, we analyzed the signaling components responsible for epithelial stem cell proliferation. We found that IL-1alpha and IL-7 secreted from keratinocytes work in tandem to expand the activated population of resident epidermal gammadeltaT-cells. A downstream effect of activated gammadeltaT-cells is the preferential proliferation of hair follicle stem cells. By contrast, IL-1alpha-dependent stimulation of dermal fibroblasts optimally stimulates epidermal stem cell proliferation. These findings provide new mechanistic insights into the regulation and function of epidermal cell immune cell interactions and into how components that are classically associated with inflammation can differentially influence distinct stem cell niches within a tissue. PMID- 29199949 TI - How the brain controls urination. AB - Coordination between the brainstem and the cortex helps to ensure that urination occurs at an appropriate time. PMID- 29199947 TI - Neurophysiological evidence of efference copies to inner speech. AB - Efference copies refer to internal duplicates of movement-producing neural signals. Their primary function is to predict, and often suppress, the sensory consequences of willed movements. Efference copies have been almost exclusively investigated in the context of overt movements. The current electrophysiological study employed a novel design to show that inner speech - the silent production of words in one's mind - is also associated with an efference copy. Participants produced an inner phoneme at a precisely specified time, at which an audible phoneme was concurrently presented. The production of the inner phoneme resulted in electrophysiological suppression, but only if the content of the inner phoneme matched the content of the audible phoneme. These results demonstrate that inner speech - a purely mental action - is associated with an efference copy with detailed auditory properties. These findings suggest that inner speech may ultimately reflect a special type of overt speech. PMID- 29199948 TI - Brainstem network dynamics underlying the encoding of bladder information. AB - Urodynamic status must interact with arousal and attentional processes so that voiding occurs under appropriate conditions. To elucidate the central encoding of this visceral demand, multisite recordings were made within a putative pontine cortical micturition circuit from the pontine micturition center (PMC), locus coeruleus (LC) and medial prefrontal cortex (mPFC) during cystometry in unanesthetized rats. PMC neurons had homogeneous firing patterns, characterized by tonic activity and phasic bursts that were temporally associated with distinct phases of the micturition cycle. LC and cortical activation became synchronized 20-30 s prior to micturition. During this pre-micturition interval, a theta oscillation developed in the LC, the mPFC desynchronized and LC-mPFC coherence increased in the theta frequency range. The temporal offset between the shift in LC-mPFC network activity and micturition may allow time to disengage from ongoing behaviors unrelated to micturition and initiate specific voiding behaviors so that micturition occurs in environmentally and socially appropriate conditions. PMID- 29199950 TI - Ragulator and GATOR1 complexes promote fission yeast growth by attenuating TOR complex 1 through Rag GTPases. AB - TOR complex 1 (TORC1) is an evolutionarily conserved protein kinase complex that promotes cellular macromolecular synthesis and suppresses autophagy. Amino-acid induced activation of mammalian TORC1 is initiated by its recruitment to the RagA/B-RagC/D GTPase heterodimer, which is anchored to lysosomal membranes through the Ragulator complex. We have identified in the model organism Schizosaccharomyces pombe a Ragulator-like complex that tethers the Gtr1-Gtr2 Rag heterodimer to the membranes of vacuoles, the lysosome equivalent in yeasts. Unexpectedly, the Ragulator-Rag complex is not required for the vacuolar targeting of TORC1, but the complex plays a crucial role in attenuating TORC1 activity independently of the Tsc1-Tsc2 complex, a known negative regulator of TORC1 signaling. The GATOR1 complex, which functions as Gtr1 GAP, is essential for the TORC1 attenuation by the Ragulator-Rag complex, suggesting that Gtr1GDP Gtr2 on vacuolar membranes moderates TORC1 signaling for optimal cellular response to nutrients. PMID- 29199951 TI - Dephosphorylation of the NPR2 guanylyl cyclase contributes to inhibition of bone growth by fibroblast growth factor. AB - Activating mutations in fibroblast growth factor (FGF) receptor 3 and inactivating mutations in the NPR2 guanylyl cyclase both cause severe short stature, but how these two signaling systems interact to regulate bone growth is poorly understood. Here, we show that bone elongation is increased when NPR2 cannot be dephosphorylated and thus produces more cyclic GMP. By developing an in vivo imaging system to measure cyclic GMP production in intact tibia, we show that FGF-induced dephosphorylation of NPR2 decreases its guanylyl cyclase activity in growth plate chondrocytes in living bone. The dephosphorylation requires a PPP-family phosphatase. Thus FGF signaling lowers cyclic GMP production in the growth plate, which counteracts bone elongation. These results define a new component of the signaling network by which activating mutations in the FGF receptor inhibit bone growth. PMID- 29199952 TI - Cryo-EM structures reveal specialization at the myosin VI-actin interface and a mechanism of force sensitivity. AB - Despite extensive scrutiny of the myosin superfamily, the lack of high-resolution structures of actin-bound states has prevented a complete description of its mechanochemical cycle and limited insight into how sequence and structural diversification of the motor domain gives rise to specialized functional properties. Here we present cryo-EM structures of the unique minus-end directed myosin VI motor domain in rigor (4.6 A) and Mg-ADP (5.5 A) states bound to F actin. Comparison to the myosin IIC-F-actin rigor complex reveals an almost complete lack of conservation of residues at the actin-myosin interface despite preservation of the primary sequence regions composing it, suggesting an evolutionary path for motor specialization. Additionally, analysis of the transition from ADP to rigor provides a structural rationale for force sensitivity in this step of the mechanochemical cycle. Finally, we observe reciprocal rearrangements in actin and myosin accompanying the transition between these states, supporting a role for actin structural plasticity during force generation by myosin VI. PMID- 29199953 TI - Synaptic and peptidergic connectome of a neurosecretory center in the annelid brain. AB - Neurosecretory centers in animal brains use peptidergic signaling to influence physiology and behavior. Understanding neurosecretory center function requires mapping cell types, synapses, and peptidergic networks. Here we use transmission electron microscopy and gene expression mapping to analyze the synaptic and peptidergic connectome of an entire neurosecretory center. We reconstructed 78 neurosecretory neurons and mapped their synaptic connectivity in the brain of larval Platynereis dumerilii, a marine annelid. These neurons form an anterior neurosecretory center expressing many neuropeptides, including hypothalamic peptide orthologs and their receptors. Analysis of peptide-receptor pairs in spatially mapped single-cell transcriptome data revealed sparsely connected networks linking specific neuronal subsets. We experimentally analyzed one peptide-receptor pair and found that a neuropeptide can couple neurosecretory and synaptic brain signaling. Our study uncovered extensive networks of peptidergic signaling within a neurosecretory center and its connection to the synaptic brain. PMID- 29199954 TI - Shaping of inner ear sensory organs through antagonistic interactions between Notch signalling and Lmx1a. AB - The mechanisms of formation of the distinct sensory organs of the inner ear and the non-sensory domains that separate them are still unclear. Here, we show that several sensory patches arise by progressive segregation from a common prosensory domain in the embryonic chicken and mouse otocyst. This process is regulated by mutually antagonistic signals: Notch signalling and Lmx1a. Notch-mediated lateral induction promotes prosensory fate. Some of the early Notch-active cells, however, are normally diverted from this fate and increasing lateral induction produces misshapen or fused sensory organs in the chick. Conversely Lmx1a (or cLmx1b in the chick) allows sensory organ segregation by antagonizing lateral induction and promoting commitment to the non-sensory fate. Our findings highlight the dynamic nature of sensory patch formation and the labile character of the sensory-competent progenitors, which could have facilitated the emergence of new inner ear organs and their functional diversification in the course of evolution. PMID- 29199955 TI - A selective role for ventromedial subthalamic nucleus in inhibitory control. AB - The subthalamic nucleus (STN) is hypothesized to play a central role in the rapid stopping of movement in reaction to a stop signal. Single-unit recording evidence for such a role is sparse, however, and it remains uncertain how that role relates to the disparate functions described for anatomic subdivisions of the STN. Here we address that gap in knowledge using non-human primates and a task that distinguishes reactive and proactive action inhibition, switching and skeletomotor functions. We found that specific subsets of STN neurons have activity consistent with causal roles in reactive action stopping or switching. Importantly, these neurons were strictly segregated to a ventromedial region of STN. Neurons in other subdivisions encoded task dimensions such as movement per se and proactive control. We propose that the involvement of STN in reactive control is restricted to its ventromedial portion, further implicating this STN subdivision in impulse control disorders. PMID- 29199956 TI - Computationally-driven identification of antibody epitopes. AB - Understanding where antibodies recognize antigens can help define mechanisms of action and provide insights into progression of immune responses. We investigate the extent to which information about binding specificity implicitly encoded in amino acid sequence can be leveraged to identify antibody epitopes. In computationally-driven epitope localization, possible antibody-antigen binding modes are modeled, and targeted panels of antigen variants are designed to experimentally test these hypotheses. Prospective application of this approach to two antibodies enabled epitope localization using five or fewer variants per antibody, or alternatively, a six-variant panel for both simultaneously. Retrospective analysis of a variety of antibodies and antigens demonstrated an almost 90% success rate with an average of three antigen variants, further supporting the observation that the combination of computational modeling and protein design can reveal key determinants of antibody-antigen binding and enable efficient studies of collections of antibodies identified from polyclonal samples or engineered libraries. PMID- 29199957 TI - The AMPA receptor-associated protein Shisa7 regulates hippocampal synaptic function and contextual memory. AB - Glutamatergic synapses rely on AMPA receptors (AMPARs) for fast synaptic transmission and plasticity. AMPAR auxiliary proteins regulate receptor trafficking, and modulate receptor mobility and its biophysical properties. The AMPAR auxiliary protein Shisa7 (CKAMP59) has been shown to interact with AMPARs in artificial expression systems, but it is unknown whether Shisa7 has a functional role in glutamatergic synapses. We show that Shisa7 physically interacts with synaptic AMPARs in mouse hippocampus. Shisa7 gene deletion resulted in faster AMPAR currents in CA1 synapses, without affecting its synaptic expression. Shisa7 KO mice showed reduced initiation and maintenance of long-term potentiation of glutamatergic synapses. In line with this, Shisa7 KO mice showed a specific deficit in contextual fear memory, both short-term and long-term after conditioning, whereas auditory fear memory and anxiety-related behavior were normal. Thus, Shisa7 is a bona-fide AMPAR modulatory protein affecting channel kinetics of AMPARs, necessary for synaptic hippocampal plasticity, and memory recall. PMID- 29199960 TI - Update on the Genetic Basis of Drug Hypersensitivity Reactions. AB - Drug hypersensitivity reactions (DHRs) are unpredictable, complex responses to medicines in predisposed individuals. They represent a major health problem owing to the number of patients affected and the severity of the clinical conditions they can induce. In addition to environmental factors, the underlying mechanisms of DHRs are also influenced by genetic factors, although considerable gaps remain in our knowledge. Therefore, further study of the genetics of DHRs is necessary to shed light on their underlying mechanisms. In this manuscript, we provide an update on the genetic basis of the most frequent types of DHRs, including those mediated by immunological and nonimmunological mechanisms. For the first group, we will focus on immediate reactions to beta-lactam antibiotics, which are associated mainly with the IgE pathway (IL13, IL4R, LGALS3, and NOD2) and antigen presentation (HLA-DRA), and nonimmediate reactions to allopurinol, anticonvulsants, antibiotics, and antiretrovirals, which are often associated with polymorphisms in the HLA system. For the second group, we will focus on nonsteroidal anti-inflammatory drugs, which are mostly associated with genetic variants in enzymes and receptors from the arachidonic acid pathway (eg, ALOX5, ALOX5AP, PTGDR, and CYSLTR1). The information provided here will be of interest for medical practitioners from a range of disciplines who come across these reactions in their clinical practice, as well as for allergologists. PMID- 29199958 TI - LAST, a c-Myc-inducible long noncoding RNA, cooperates with CNBP to promote CCND1 mRNA stability in human cells. AB - Cyclin D1 is a critical regulator of cell cycle progression and works at the G1 to S-phase transition. Here, we report the isolation and characterization of the novel c-Myc-regulated lncRNA LAST (LncRNA-Assisted Stabilization of Transcripts), which acts as a CCND1 mRNA stabilizer. Mechanistically, LAST was shown to cooperate with CNBP to bind to the 5'UTR of CCND1 mRNA to protect against possible nuclease targeting. In addition, data from CNBP RIP-seq and LAST RNA-seq showed that CCND1 mRNA might not be the only target of LAST and CNBP; three additional mRNAs were shown to be post-transcriptional targets of LAST and CNBP. In a xenograft model, depletion of LAST diminished and ectopic expression of LAST induced tumor formation, which are suggestive of its oncogenic function. We thus report a previously unknown lncRNA involved in the fine-tuned regulation of CCND1 mRNA stability, without which CCND1 exhibits, at most, partial expression. PMID- 29199961 TI - Airway Epithelium Plays a Leading Role in the Complex Framework Underlying Respiratory Allergy. AB - Airway epithelium is the cellular structure with the greatest surface exposed to a plethora of environmental airborne substances, including microorganisms, respiratory viruses, air pollutants, and allergens. In addition to being a protective physical barrier at the air-liquid interface, the airway epithelium acts as an effective chemical and immunological barrier that plays a crucial role in orchestrating the immune response in the lungs, by supporting the activation, recruitment, and mobilization of immune cells. Airway epithelium dysfunction has been clearly associated with various airway inflammatory diseases, such as allergic asthma. Although it is not fully understood why a person develops respiratory allergy, a growing body of evidence shows that the nature of the host's immune response is strongly determined by the state of the airway epithelium at the time of contact with the inhaled allergen. Our review highlights the physiological state of airway epithelium as a key element in the development of allergy and, particularly, in exacerbation of asthma. We review the role of physiological oxidants as signaling molecules in lung biology and allergic diseases and examine how high exposure to air pollutants (eg, cigarette smoke and diesel particles) can contribute to the increased incidence of respiratory allergy and exacerbation of the disease. PMID- 29199959 TI - Single-cell transcriptome analysis of avian neural crest migration reveals signatures of invasion and molecular transitions. AB - Neural crest cells migrate throughout the embryo, but how cells move in a directed and collective manner has remained unclear. Here, we perform the first single-cell transcriptome analysis of cranial neural crest cell migration at three progressive stages in chick and identify and establish hierarchical relationships between cell position and time-specific transcriptional signatures. We determine a novel transcriptional signature of the most invasive neural crest Trailblazer cells that is consistent during migration and enriched for approximately 900 genes. Knockdown of several Trailblazer genes shows significant but modest changes to total distance migrated. However, in vivo expression analysis by RNAscope and immunohistochemistry reveals some salt and pepper patterns that include strong individual Trailblazer gene expression in cells within other subregions of the migratory stream. These data provide new insights into the molecular diversity and dynamics within a neural crest cell migratory stream that underlie complex directed and collective cell behaviors. PMID- 29199962 TI - Contact Sensitization in Patients With Lower Leg Dermatitis, Chronic Venous Insufficiency, and/or Chronic Leg Ulcer: Assessment of the Clinical Relevance of Contact Allergens. PMID- 29199963 TI - Food Protein-Induced Enterocolitis Syndrome in Response to Quail's Egg in a Child Without Hen's Egg Allergy. PMID- 29199964 TI - A Case of Hypocomplementemic Urticarial Vasculitis Syndrome Successfully Treated With Omalizumab. PMID- 29199965 TI - Is Saccharomyces boulardii Really Safe? PMID- 29199966 TI - Occupational Asthma and Urticaria in a Fishmonger Due to Creatine Kinase, a Cross Reactive Fish Allergen. PMID- 29199967 TI - Different Skin Prick Test Sensitization Patterns Do Not Influence the Response to Omalizumab in Severe Asthma. PMID- 29199968 TI - IgE-Binding Aldolases From Artemia and Mysis Species Causing Respiratory Allergy to Aquarium Fish Food. PMID- 29199969 TI - Dysregulated Innate Lymphocytes in Patients With Primary Antibody Deficiency Treated With Intravenous Immunoglobulin. PMID- 29199970 TI - What Could the Role of Can f 5 Allergen Be in Dog-Sensitized Patients in "Real Life"? PMID- 29199971 TI - Collagen scaffolds tethered with bFGF promote corpus spongiosum regeneration in a beagle model. AB - Regeneration of the corpus spongiosum helps prevent complications following urethral reconstruction, but currently there is a lack of effective therapeutic methods in clinic. In previous studies, we fabricated a fusion protein collagen binding domain (CBD)-basic fibroblast growth factor (bFGF) that specifically binds to and releases from collagen biomaterials. We demonstrated that CBD-bFGF could promote angiogenesis and tissue regeneration in vivo. In this study, we established a beagle model with extensive urethral defects, and reconstructed the defects with collagen biomaterials that were unmodified or modified with CBD bFGF. The results demonstrate that CBD-bFGF promotes corpus spongiosum regeneration resulting in improved outcomes following urethral reconstruction. Modifying collagen biomaterials with CBD-bFGF may represent an effective strategy for urethral substitution in urethral reconstruction. PMID- 29199972 TI - Transmission XMCD-PEEM imaging of an engineered vertical FEBID cobalt nanowire with a domain wall. AB - Using focused electron-beam-induced deposition, we fabricate a vertical, platinum coated cobalt nanowire with a controlled three-dimensional structure. The latter is engineered to feature bends along the height: these are used as pinning sites for domain walls, which are obtained at remanence after saturation of the nanostructure in a horizontally applied magnetic field. The presence of domain walls is investigated using x-ray magnetic circular dichroism (XMCD) coupled to photoemission electron microscopy (PEEM). The vertical geometry of our sample combined with the low incidence of the x-ray beam produce an extended wire shadow which we use to recover the wire's magnetic configuration. In this transmission configuration, the whole sample volume is probed, thus circumventing the limitation of PEEM to surfaces. This article reports on the first study of magnetic nanostructures standing perpendicular to the substrate with XMCD-PEEM. The use of this technique in shadow mode enabled us to confirm the presence of a domain wall without direct imaging of the nanowire. PMID- 29199973 TI - Thermal conductivity anisotropy in holey silicon nanostructures and its impact on thermoelectric cooling. AB - Artificial nanostructures have improved prospects of thermoelectric systems by enabling selective scattering of phonons and demonstrating significant thermal conductivity reductions. While the low thermal conductivity provides necessary temperature gradients for thermoelectric conversion, the heat generation is detrimental to electronic systems where high thermal conductivity are preferred. The contrasting needs of thermal conductivity are evident in thermoelectric cooling systems, which call for a fundamental breakthrough. Here we show a silicon nanostructure with vertically etched holes, or holey silicon, uniquely combines the low thermal conductivity in the in-plane direction and the high thermal conductivity in the cross-plane direction, and that the anisotropy is ideal for lateral thermoelectric cooling. The low in-plane thermal conductivity due to substantial phonon boundary scattering in small necks sustains large temperature gradients for lateral Peltier junctions. The high cross-plane thermal conductivity due to persistent long-wavelength phonons effectively dissipates heat from a hot spot to the on-chip cooling system. Our scaling analysis based on spectral phonon properties captures the anisotropic size effects in holey silicon and predicts the thermal conductivity anisotropy ratio up to 20. Our numerical simulations demonstrate the thermoelectric cooling effectiveness of holey silicon is at least 30% greater than that of high-thermal-conductivity bulk silicon and 400% greater than that of low-thermal-conductivity chalcogenides; these results contrast with the conventional perception preferring either high or low thermal conductivity materials. The thermal conductivity anisotropy is even more favorable in laterally confined systems and will provide effective thermal management solutions for advanced electronics. PMID- 29199974 TI - Enhancement of fluorescent emission in photonic crystal film and application in photocatalysis. AB - Fluorescent photonic crystal films composed of monodisperse NaYF4:15Yb,0.5Tm@SiO2 (where 15 and 0.5 represent the mole percentage of reactants) core-shell spheres were successfully fabricated and applied in photocatalysis. The core-shell spheres were prepared using a modified Stober method, and fluorescent photonic crystal films were fabricated via a simple self-assembly method. The morphologies, structures and upconversion fluorescent properties of the fluorescent photonic crystal films with different photonic band gaps were characterized. Moreover, their photocatalytic capability in decomposing rhodamine B using near-infrared light was studied. Results indicate that the band edge effect plays a critical role in the enhancement of short wave emission intensity of fluorescent photonic crystal films. Specifically, in comparison to the reference sample without a band edge effect, the 363 nm emission intensity was enhanced by 5.97 times, while the percentage of UV upconversion emission was improved by 6.23%. In addition, the 451 nm emission intensity was enhanced by 5.81 times, and the percentage of visible upconversion emission was improved by 8.88%. Furthermore, fluorescent photonic crystal films with enhanced short wave emission exhibited great photocatalytic performance in the degradation of rhodamine B aqueous solutions under near-infrared light. PMID- 29199975 TI - Carbon nanotube conditioning part 1-effect of interwall interaction on the electronic band gap of double-walled carbon nanotubes. AB - Ab initio density functional theory simulations were used to calculate the electronic structure and the total energy of double-walled carbon nanotubes (DWCNTs). The relaxed configurations studied were uncapped, infinitely-long zigzag@zigzag double-walled carbon nanotubes. The lowest energy configuration was found to correspond to an interwall distance of 0.35 nm, except for the configurations with inner tube chiral indices (5,0), (6,0) and (7,0). The largest binding energies were found to correspond to a 0.35 nm interwall distance for all the DWCNT configurations studied, and increasing with DWCNT average diameter. In terms of the effect of the interwall interaction on the electronic band gap of DWCNTs, four regions of band gap were obtained which were termed: zero band gap, narrow band gap, small band gap, and medium band gap regions. These regions offer the possibility to first tune the electronic band gap to a region with a desired range, and further tune that choice within the region itself by varying the interwall distance. It was also found that zigzag@zigzag DWCNTs with outer tube leading chiral index n = 3k + 1 or n = 3k + 2 (k being an integer) follow, as a general trend, an inversely proportional relation of the electronic band gap with respect to the average diameter. PMID- 29199977 TI - Structural insight into the rearrangement of the switch I region in GTP-bound G12A K-Ras. AB - K-Ras, a molecular switch that regulates cell growth, apoptosis and metabolism, is activated when it undergoes a conformation change upon binding GTP and is deactivated following the hydrolysis of GTP to GDP. Hydrolysis of GTP in water is accelerated by coordination to K-Ras, where GTP adopts a high-energy conformation approaching the transition state. The G12A mutation reduces intrinsic K-Ras GTP hydrolysis by an unexplained mechanism. Here, crystal structures of G12A K-Ras in complex with GDP, GTP, GTPgammaS and GppNHp, and of Q61A K-Ras in complex with GDP, are reported. In the G12A K-Ras-GTP complex, the switch I region undergoes a significant reorganization such that the Tyr32 side chain points towards the GTP binding pocket and forms a hydrogen bond to the GTP gamma-phosphate, effectively stabilizing GTP in its precatalytic state, increasing the activation energy required to reach the transition state and contributing to the reduced intrinsic GTPase activity of G12A K-Ras mutants. PMID- 29199976 TI - Hydrogen bonds are a primary driving force for de novo protein folding. AB - The protein-folding mechanism remains a major puzzle in life science. Purified soluble activation-induced cytidine deaminase (AID) is one of the most difficult proteins to obtain. Starting from inclusion bodies containing a C-terminally truncated version of AID (residues 1-153; AID153), an optimized in vitro folding procedure was derived to obtain large amounts of AID153, which led to crystals with good quality and to final structural determination. Interestingly, it was found that the final refolding yield of the protein is proline residue-dependent. The difference in the distribution of cis and trans configurations of proline residues in the protein after complete denaturation is a major determining factor of the final yield. A point mutation of one of four proline residues to an asparagine led to a near-doubling of the yield of refolded protein after complete denaturation. It was concluded that the driving force behind protein folding could not overcome the cis-to-trans proline isomerization, or vice versa, during the protein-folding process. Furthermore, it was found that successful refolding of proteins optimally occurs at high pH values, which may mimic protein folding in vivo. It was found that high pH values could induce the polarization of peptide bonds, which may trigger the formation of protein secondary structures through hydrogen bonds. It is proposed that a hydrophobic environment coupled with negative charges is essential for protein folding. Combined with our earlier discoveries on protein-unfolding mechanisms, it is proposed that hydrogen bonds are a primary driving force for de novo protein folding. PMID- 29199978 TI - Approaches to ab initio molecular replacement of alpha-helical transmembrane proteins. AB - alpha-Helical transmembrane proteins are a ubiquitous and important class of proteins, but present difficulties for crystallographic structure solution. Here, the effectiveness of the AMPLE molecular replacement pipeline in solving alpha helical transmembrane-protein structures is assessed using a small library of eight ideal helices, as well as search models derived from ab initio models generated both with and without evolutionary contact information. The ideal helices prove to be surprisingly effective at solving higher resolution structures, but ab initio-derived search models are able to solve structures that could not be solved with the ideal helices. The addition of evolutionary contact information results in a marked improvement in the modelling and makes additional solutions possible. PMID- 29199979 TI - A standardized technique for high-pressure cooling of protein crystals. AB - Cryogenic temperatures slow down secondary radiation damage during data collection from macromolecular crystals. In 1973, cooling at high pressure was identified as a method for cryopreserving crystals in their mother liquor [Thomanek et al. (1973). Acta Cryst. A29, 263-265]. Results from different groups studying different crystal systems indicated that the approach had merit, although difficulties in making the process work have limited its widespread use. Therefore, a simplified and reliable technique has been developed termed high pressure cooling (HPC). An essential requirement for HPC is to protect crystals in capillaries. These capillaries form part of new sample holders with SPINE standard dimensions. Crystals are harvested with the capillary, cooled at high pressure (220 MPa) and stored in a cryovial. This system also allows the usage of the standard automation at the synchrotron. Crystals of hen egg-white lysozyme and concanavalin A have been successfully cryopreserved and yielded data sets to resolutions of 1.45 and 1.35 A, respectively. Extensive work has been performed to define the useful working range of HPC in capillaries with 250 um inner diameter. Three different 96-well crystallization screens that are most frequently used in our crystallization facility were chosen to study the formation of amorphous ice in this cooling setup. More than 89% of the screening solutions were directly suitable for HPC. This achievement represents a drastic improvement for crystals that suffered from cryoprotection or were not previously eligible for cryoprotection. PMID- 29199980 TI - Molecular architectures of benzoic acid-specific type III polyketide synthases. AB - Biphenyl synthase and benzophenone synthase constitute an evolutionarily distinct clade of type III polyketide synthases (PKSs) that use benzoic acid-derived substrates to produce defense metabolites in plants. The use of benzoyl-CoA as an endogenous substrate is unusual for type III PKSs. Moreover, sequence analyses indicate that the residues responsible for the functional diversification of type III PKSs are mutated in benzoic acid-specific type III PKSs. In order to gain a better understanding of structure-function relationships within the type III PKS family, the crystal structures of biphenyl synthase from Malus * domestica and benzophenone synthase from Hypericum androsaemum were compared with the structure of an archetypal type III PKS: chalcone synthase from Malus * domestica. Both biphenyl synthase and benzophenone synthase contain mutations that reshape their active-site cavities to prevent the binding of 4-coumaroyl-CoA and to favor the binding of small hydrophobic substrates. The active-site cavities of biphenyl synthase and benzophenone synthase also contain a novel pocket associated with their chain-elongation and cyclization reactions. Collectively, these results illuminate structural determinants of benzoic acid-specific type III PKSs and expand the understanding of the evolution of specialized metabolic pathways in plants. PMID- 29199981 TI - Solving the scalability issue in quantum-based refinement: Q|R#1. AB - Accurately refining biomacromolecules using a quantum-chemical method is challenging because the cost of a quantum-chemical calculation scales approximately as nm, where n is the number of atoms and m (>=3) is based on the quantum method of choice. This fundamental problem means that quantum-chemical calculations become intractable when the size of the system requires more computational resources than are available. In the development of the software package called Q|R, this issue is referred to as Q|R#1. A divide-and-conquer approach has been developed that fragments the atomic model into small manageable pieces in order to solve Q|R#1. Firstly, the atomic model of a crystal structure is analyzed to detect noncovalent interactions between residues, and the results of the analysis are represented as an interaction graph. Secondly, a graph clustering algorithm is used to partition the interaction graph into a set of clusters in such a way as to minimize disruption to the noncovalent interaction network. Thirdly, the environment surrounding each individual cluster is analyzed and any residue that is interacting with a particular cluster is assigned to the buffer region of that particular cluster. A fragment is defined as a cluster plus its buffer region. The gradients for all atoms from each of the fragments are computed, and only the gradients from each cluster are combined to create the total gradients. A quantum-based refinement is carried out using the total gradients as chemical restraints. In order to validate this interaction graph based fragmentation approach in Q|R, the entire atomic model of an amyloid cross beta spine crystal structure (PDB entry 2oNA) was refined. PMID- 29199982 TI - Using more than 801 296 small-molecule crystal structures to aid in protein structure refinement and analysis. Addendum. AB - An addendum to the Introduction of Cole et al. [(2017), Acta Cryst. D73, 234-239] is made to recognize the work of Bricogne, Smart and others in the development of methods to make use of Cambridge Structural Database data in protein structure solution. PMID- 29199984 TI - Structure of the Bacillus anthracis dTDP-L-rhamnose-biosynthetic enzyme dTDP-4 dehydrorhamnose reductase (RfbD). AB - Bacillus anthracis is the causative agent of the deadly disease Anthrax. Its use in bioterrorism and its ability to re-emerge have brought renewed interest in this organism. B. anthracis is a Gram-positive bacterium that adds L-rhamnose to its cell-wall polysaccharides using the activated donor dTDP-beta-L-rhamnose. The enzymes involved in the biosynthesis of the activated donor are absent in humans, which make them ideal targets for therapeutic development to combat pathogens. Here, the 2.65 A resolution crystal structure of the fourth enzyme in the dTDP beta-L-rhamnose-biosynthetic pathway from B. anthracis, dTDP-4-dehydro-beta-L rhamnose reductase (RfbD), is presented in complex with NADP+. This enzyme catalyzes the reduction of dTDP-4-dehydro-beta-L-rhamnose to dTDP-beta-L rhamnose. Although the protein was co-crystallized in the presence of Mg2+, the protein lacks the conserved residues that coordinate Mg2+. PMID- 29199985 TI - Crystal structure of a pyridoxal 5'-phosphate-dependent aspartate racemase derived from the bivalve mollusc Scapharca broughtonii. AB - Aspartate racemase (AspR) is a pyridoxal 5'-phosphate (PLP)-dependent enzyme that is responsible for D-aspartate biosynthesis in vivo. To the best of our knowledge, this is the first study to report an X-ray crystal structure of a PLP dependent AspR, which was resolved at 1.90 A resolution. The AspR derived from the bivalve mollusc Scapharca broughtonii (SbAspR) is a type II PLP-dependent enzyme that is similar to serine racemase (SR) in that SbAspR catalyzes both racemization and dehydration. Structural comparison of SbAspR and SR shows a similar arrangement of the active-site residues and nucleotide-binding site, but a different orientation of the metal-binding site. Superposition of the structures of SbAspR and of rat SR bound to the inhibitor malonate reveals that Arg140 recognizes the beta-carboxyl group of the substrate aspartate in SbAspR. It is hypothesized that the aromatic proline interaction between the domains, which favours the closed form of SbAspR, influences the arrangement of Arg140 at the active site. PMID- 29199986 TI - A low-cost method for visible fluorescence imaging. AB - A wide variety of crystallization solutions are screened to establish conditions that promote the growth of a diffraction-quality crystal. Screening these conditions requires the assessment of many crystallization plates for the presence of crystals. Automated systems for screening and imaging are very expensive. A simple approach to imaging trace fluorescently labeled protein crystals in crystallization plates has been devised, and can be implemented at a cost as low as $50. The proteins beta-lactoglobulin B, trypsin and purified concanavalin A (ConA) were trace fluorescently labeled using three different fluorescent probes: Cascade Yellow (CY), Carboxyrhodamine 6G (CR) and Pacific Blue (PB). A crystallization screening plate was set up using beta-lactoglobulin B labeled with CR, trypsin labeled with CY, ConA labeled with each probe, and a mixture consisting of 50% PB-labeled ConA and 50% CR-labeled ConA. The wells of these plates were imaged using a commercially available macro-imaging lens attachment for smart devices that have a camera. Several types of macro lens attachments were tested with smartphones and tablets. Images with the highest quality were obtained with an iPhone 6S and an AUKEY Ora 10* macro lens. Depending upon the fluorescent probe employed and its Stokes shift, a light emitting diode or a laser diode was used for excitation. An emission filter was used for the imaging of protein crystals labeled with CR and crystals with two color fluorescence. This approach can also be used with microscopy systems commonly used to observe crystallization plates. PMID- 29199987 TI - Structure of the Bacillus anthracis dTDP-L-rhamnose-biosynthetic enzyme dTDP-4 dehydrorhamnose 3,5-epimerase (RfbC). AB - The exosporium layer of Bacillus anthracis spores is rich in L-rhamnose, a common bacterial cell-wall component, which often contributes to the virulence of pathogens by increasing their adherence and immune evasion. The biosynthetic pathway used to form the activated L-rhamnose donor dTDP-L-rhamnose consists of four enzymes (RfbA, RfbB, RfbC and RfbD) and is an attractive drug target because there are no homologs in mammals. It was found that co-purifying and screening RfbC (dTDP-6-deoxy-D-xylo-4-hexulose 3,5-epimerase) from B. anthracis in the presence of the other three B. anthracis enzymes of the biosynthetic pathway yielded crystals that were suitable for data collection. RfbC crystallized as a dimer and its structure was determined at 1.63 A resolution. Two different ligands were bound in the protein structure: pyrophosphate in the active site of one monomer and dTDP in the other monomer. A structural comparison with RfbC homologs showed that the key active-site residues are conserved across kingdoms. PMID- 29199988 TI - Swit_4259, an acetoacetate decarboxylase-like enzyme from Sphingomonas wittichii RW1. AB - The Gram-negative bacterium Sphingomonas wittichii RW1 is notable for its ability to metabolize a variety of aromatic hydrocarbons. Not surprisingly, the S. wittichii genome contains a number of putative aromatic hydrocarbon-degrading gene clusters. One of these includes an enzyme of unknown function, Swit_4259, which belongs to the acetoacetate decarboxylase-like superfamily (ADCSF). Here, it is reported that Swit_4259 is a small (28.8 kDa) tetrameric ADCSF enzyme that, unlike the prototypical members of the superfamily, does not have acetoacetate decarboxylase activity. Structural characterization shows that the tertiary structure of Swit_4259 is nearly identical to that of the true decarboxylases, but there are important differences in the fine structure of the Swit_4259 active site that lead to a divergence in function. In addition, it is shown that while it is a poor substrate, Swit_4259 can catalyze the hydration of 2-oxo-hex-3 enedioate to yield 2-oxo-4-hydroxyhexanedioate. It is also demonstrated that Swit_4259 has pyruvate aldolase-dehydratase activity, a feature that is common to all of the family V ADCSF enzymes studied to date. The enzymatic activity, together with the genomic context, suggests that Swit_4259 may be a hydratase with a role in the metabolism of an as-yet-unknown hydrocarbon. These data have implications for engineering bioremediation pathways to degrade specific pollutants, as well as structure-function relationships within the ADCSF in general. PMID- 29199989 TI - Crystal structure of an anti-idiotype variable lymphocyte receptor. AB - Variable lymphocyte receptors (VLRs), the leucine-rich repeat (LRR)-based antigen receptors of jawless fish, have great utility in a wide variety of biochemical and biological applications, similar to classical Ig-based antibodies. VLR-based reagents may be particularly useful when traditional antibodies are not available. An anti-idiotype lamprey VLR, VLR39, has previously been identified that recognizes the heavy-chain CDR3 of the B-cell receptor (BCR) of a leukemic clone from a patient with chronic lymphocytic leukemia (CLL). VLR39 was used successfully to track the re-emergence of this clone in the patient following chemotherapy. Here, the crystal structure of VLR39 is presented at 1.5 A resolution and compared with those of other protein-specific VLRs. VLR39 adopts a curved solenoid fold and exhibits substantial structural similarity to other protein-binding VLRs. VLR39 has a short LRRCT loop that protrudes outwards away from the concave face and is similar to those of its protein-specific VLR counterparts. Analysis of the VLR39-BCR interaction by size-exclusion chromatography and biolayer interferometry using the scFv version of the BCR confirms that VLR39 recognizes the BCR Fv region. Such VLR-based reagents may be useful for identifying and monitoring leukemia in CLL patients and in other clinical diagnostic assays. PMID- 29199990 TI - Meditope-Fab interaction: threading the hole. AB - Meditope, a cyclic 12-residue peptide, binds to a unique binding side between the light and heavy chains of the cetuximab Fab. In an effort to improve the affinity of the interaction, it was sought to extend the side chain of Arg8 in the meditope, a residue that is accessible from the other side of the meditope binding site, in order to increase the number of interactions. These modifications included an n-butyl and n-octyl extension as well as hydroxyl, amine and carboxyl substitutions. The atomic structures of the complexes and the binding kinetics for each modified meditope indicated that each extension threaded through the Fab 'hole' and that the carboxyethylarginine substitution makes a favorable interaction with the Fab, increasing the half-life of the complex by threefold compared with the unmodified meditope. Taken together, these studies provide a basis for the design of additional modifications to enhance the overall affinity of this unique interaction. PMID- 29199991 TI - Crystal structure of the second fibronectin type III (FN3) domain from human collagen alpha1 type XX. AB - Collagen alpha1 type XX, which contains fibronectin type III (FN3) repeats involving six FN3 domains (referred to as the FN#1-FN#6 domains), is an unusual member of the fibril-associated collagens with interrupted triple helices (FACIT) subfamily of collagens. The results of standard protein BLAST suggest that the FN3 repeats might contribute to collagen alpha1 type XX acting as a cytokine receptor. To date, solution NMR structures of the FN#3, FN#4 and FN#6 domains have been determined. To obtain further structural evidence to understand the relationship between the structure and function of the FN3 repeats from collagen alpha1 type XX, the crystal structure of the FN#2 domain from human collagen alpha1 type XX (residues Pro386-Pro466; referred to as FN2-HCXX) was solved at 2.5 A resolution. The crystal structure of FN2-HCXX shows an immunoglobulin-like fold containing a beta-sandwich structure, which is formed by a three-stranded beta-sheet (beta1, beta2 and beta5) packed onto a four-stranded beta-sheet (beta3, beta4, beta6 and beta7). Two consensus domains, tencon and fibcon, are structural analogues of FN2-HCXX. Fn8, an FN3 domain from human oncofoetal fibronectin, is the closest structural analogue of FN2-HCXX derived from a naturally occurring sequence. Based solely on the structural similarity of FN2 HCXX to other FN3 domains, the detailed functions of FN2-HCXX and the FN3 repeats in collagen alpha1 type XX cannot be identified. PMID- 29199992 TI - The Pseudomonas syringae pv. actinidiae chemoreceptor protein F (PscF) periplasmic sensor domain: cloning, purification and X-ray crystallographic analysis. AB - Nitrate- and nitrite-sensing (NIT) domains are found associated with a wide variety of bacterial receptors, including chemoreceptors. However, the structure of a chemoreceptor-associated NIT domain has not yet been characterized. Recently, a chemoreceptor named PscF was identified from the plant pathogen Pseudomonas syringae pv. actinidiae that is predicted to contain a periplasmic NIT domain. The PscF sensor domain (PscF-SD; residues 42-332) was cloned into an appropriate expression vector, recombinantly produced in Escherichia coli BL21 Gold(DE3) cells and purified via immobilized metal-affinity and size-exclusion chromatography. Purified PscF-SD was screened for crystallization; the best crystal diffracted to a maximum resolution of 1.46 A in space group P212121. However, the data could not be phased using the only available NIT-domain structure (Klebsiella oxytoca NasR; PDB entry 4akk) as the search model. Therefore, a data set from a selenomethionine-labelled protein crystal was also collected. The selenomethionine-labelled protein crystal diffracted to a resolution of 2.46 A in space group P212121. These data will be used to attempt to solve the structure using the single-wavelength anomalous diffraction technique. The structure is expected to provide insights into the ligand specificity of NIT domains and the role of NIT domains in chemotaxis. PMID- 29199993 TI - Crystal structure of SAM-dependent methyltransferase from Pyrococcus horikoshii. AB - Methyltransferases (MTs) are enzymes involved in methylation that are needed to perform cellular processes such as biosynthesis, metabolism, gene expression, protein trafficking and signal transduction. The cofactor S-adenosyl-L-methionine (SAM) is used for catalysis by SAM-dependent methyltransferases (SAM-MTs). The crystal structure of Pyrococcus horikoshii SAM-MT was determined to a resolution of 2.1 A using X-ray diffraction. The monomeric structure consists of a Rossmann like fold (domain I) and a substrate-binding domain (domain II). The cofactor (SAM) molecule binds at the interface between adjacent subunits, presumably near to the active site(s) of the enzyme. The observed dimeric state might be important for the catalytic function of the enzyme. PMID- 29199994 TI - DNA-binding domain of myelin-gene regulatory factor: purification, crystallization and X-ray analysis. Corrigendum. AB - An extra affiliation is added for the authors of the article by Wu et al. [(2017), Acta Cryst. F73, 393-397]. PMID- 29199995 TI - Rare mutations provide unique insight into oncogenic potential of STAT transcription factors. AB - The inappropriate activation of transcription factors, including STATs, is known to promote tumor initiation and progression. The most common mechanisms of misregulation lead to constitutive activation of WT STATs. However, the recent discovery of rare STAT mutations in hematopoietic malignancies suggests that STAT mutants may be oncogenic. In this issue of the JCI, Pham et al. use a transgenic mouse model to demonstrate that STAT5BN642H is sufficient for the development of T cell neoplasia. This study, along with other studies of constitutively active STAT mutants, provides insight into the pathogenesis and treatment of STAT5 driven cancer. PMID- 29199996 TI - Antisense oligonucleotides offer hope to patients with Charcot-Marie-Tooth disease type 1A. AB - Charcot-Marie-Tooth disease type 1A (CMT1A) is the most common heritable peripheral neuropathy and results from a duplication on chromosome 17 that results in an extra copy and increased dosage of peripheral myelin protein 22 (PMP22). Zhao et al., in this issue of the JCI, successfully utilized antisense oligonucleotides (ASOs) to reduce PMP22 and ameliorated neuropathy in both mouse and rat models of CMT1A. These data confirm that strategies to reduce PMP22 have potential as effective therapeutic approaches for CMT1A and lay the groundwork for clinical trials in humans afflicted with this chronic, debilitating neurodegenerative disease. PMID- 29199997 TI - Thrombolysis for Acute Ischemic Stroke After Protamine Reversal of Heparin. PMID- 29199998 TI - Machine Learning for Fetal Growth Prediction. AB - Birthweight is often used as a proxy for fetal weight. Problems with this practice have recently been brought to light. We explore whether data available at birth can be used to predict estimated fetal weight using linear and quantile regression, random forests, Bayesian additive regression trees, and generalized boosted models. We train and validate each approach using 18,517 pregnancies (31,948 ultrasound visits) from the Magee-Womens Obstetric Maternal and Infant data and 240 pregnancies in a separate dataset of high-risk pregnancies. We also quantify the relation between smoking and small-for-gestational-age birth, defined as a birthweight in the lower 10th percentile of a population birthweight standard and estimated and predicted fetal weight standard. Using mean squared error and median absolute deviation criteria, quantile regression performed best among the regression-based approaches, but generalized boosted models performed best overall. Using the birthweight standard, smoking during pregnancy increased the risk of small-for-gestational-age 3.84-fold (95% CI: 2.70, 5.47). This ratio dropped to 1.65 (95% CI: 1.50, 1.81) when using the correct fetal weight standard, which was no different from the machine learning-based predicted standards, but higher than the regression-based predicted standards. Machine learning algorithms show promise in recovering missing fetal weight information. See video abstract at, http://links.lww.com/EDE/B314. PMID- 29199999 TI - Effect of Inhalation Aromatherapy on Procedural Pain and Anxiety After Needle Insertion Into an Implantable Central Venous Port Catheter: A Quasi-Randomized Controlled Pilot Study. AB - BACKGROUND: Needle insertion into an implantable central venous port catheter may lead to procedural pain and anxiety in cancer patients. OBJECTIVE: The aim of this study was to determine the effects of inhalation aromatherapy on procedural pain and anxiety after needle insertion into an implantable central venous port catheter. METHODS: This study included 123 cancer patients who were scheduled to undergo chemotherapy. Patients were randomly assigned to either the lavender group (n = 41), the eucalyptus group (n = 41), or a control group (n = 41). Participants in the intervention groups inhaled 3 drops of essential oil for 3 minutes before needle insertion into an implantable venous port catheter. Patients in the control group received no intervention before needle insertion. Data were collected using the visual analog scale (VAS) and State Anxiety Inventory. RESULTS: The average VAS scores of the lavender group were significantly lower than those of the control group (P < .05). There were no significant differences in the average VAS scores between the eucalyptus group and the control group (P > .05). In addition, the average State Anxiety Inventory scores of the lavender group, the eucalyptus group, and the control group were not significantly different (P > .05). CONCLUSION: Inhalation aromatherapy with lavender may be an effective technique to relieve pain related to needle insertion into an implantable central venous port catheter. IMPLICATIONS FOR PRACTICE: Inhalation aromatherapy with lavender oil may be useful in the management of procedural pain levels during needle procedure. However, further randomized controlled trials are needed to validate this study. PMID- 29200000 TI - Mutual Support and Challenges Among Chinese Couples Living With Colorectal Cancer: A Qualitative Study. AB - BACKGROUND: A diagnosis of cancer and its treatment affect couples as a unit, and they must cope and give each other mutual support as dyads. Few studies have focused explicitly on understanding mutual support among couples coping with colorectal cancer (CRC). OBJECTIVE: The aim of this study was to explore the mutual support of couples in their journey of coping together with CRC. METHODS: This is a qualitative descriptive study with purposeful sampling. A total of 11 couples in which 1 partner has been diagnosed with CRC were recruited for in depth interviews. RESULTS: Three themes and 8 subthemes emerged from a conventional content analysis. The 3 themes were mutual support and reciprocity, challenges confronted in the provision of support, and experiencing adjustments/outcomes. CONCLUSION: The findings of this study provide insights to healthcare professionals on the process by which couples coping with CRC give each other mutual support and the related challenges. This will aid in the development of an intervention program to support such couples, through enhancing their mutual support, overcoming challenges, and improving their adjustment/outcomes. IMPLICATIONS FOR PRACTICE: Healthcare professionals need to (1) include the spouse of the cancer patients in their care and provide them with support, (2) encourage the couples to share their concerns with each other, (3) encourage spousal caregivers to take good care of themselves while providing support to their loved ones with CRC, and (4) develop a couple-based intervention program in providing support to couples coping with cancer as dyads. PMID- 29200001 TI - Effect of Aromatherapy Massage on Chemotherapy-Induced Peripheral Neuropathic Pain and Fatigue in Patients Receiving Oxaliplatin: An Open Label Quasi Randomized Controlled Pilot Study. AB - BACKGROUND: Patients receiving oxaliplatin may experience peripheral neuropathic pain and fatigue. Aromatherapy massage, a nonpharmacological method, may help to control these symptoms. OBJECTIVE: The aim of this open-label, parallel-group, quasi-randomized controlled pilot study was to investigate the effect of aromatherapy massage on chemotherapy-induced peripheral neuropathic pain and fatigue in patients receiving oxaliplatin. METHODS: Stratified randomization was used to allocate 46 patients to 2 groups: intervention (n = 22) and control (n = 24). Between week 1 and week 6, participants in the intervention group (IG) received aromatherapy massage 3 times a week. There was no intervention in weeks 7 and 8. The control group (CG) received routine care. Neuropathic pain was identified using the Douleur Neuropathique 4 Questions; severity of painful paresthesia was assessed with the numerical rating scale; fatigue severity was identified with the Piper Fatigue Scale. RESULTS: At week 6, the rate of neuropathic pain was significantly lower in the IG, when compared with the CG. The severity of painful paresthesia based on numerical rating scale in the IG was significantly lower than that in the CG at weeks 2, 4, and 6. At week 8, fatigue severity in the IG was significantly lower when compared with CG (P < .05). CONCLUSION: Aromatherapy massage may be useful in the management of chemotherapy induced peripheral neuropathic pain and fatigue. IMPLICATIONS FOR PRACTICE: This pilot study suggests that aromatherapy massage may be useful to relieve neuropathic pain and fatigue. However, there is a need for further clinical trials to validate the results of this study. PMID- 29200002 TI - Metformin and melatonin inhibit DMBA-induced mammary tumorigenesis in rats fed a high-fat diet. AB - The data from in-vitro and in-vivo studies show that both peroral antidiabetic metformin (MF) and pineal hormone melatonin (MT) inhibit the growth of many cancers, including breast cancer. However, most in-vivo studies used standard type diet with low fat content. Therefore, in this study, we evaluated the chemopreventive effect of MF and MT in an in-vivo model of breast cancer in rats on a high-fat diet (10% of total fat). Mammary carcinogenesis was induced by 7,12 dimethylbenz[a]anthracene (DMBA) in female Sprague-Dawley rats. Chemoprevention with MF (administered in a diet, 0.2%) and MT (administered in tap water, 20 mg/l) was induced 20 days before the carcinogen administration through the termination of the experiment (14 weeks after carcinogen administration). Tumor growth parameters were analyzed together with histopathological examination and immunohistochemical detection of KI67 (proliferation marker), caspase-3, BAX, BCL 2 (apoptosis markers), and CD24 and CD44 (cancer stem cell markers) in mammary tumor samples. The combination of chemopreventive agents decreased tumor incidence by 29%. Cumulative tumor volume was lower in all groups treated with chemoprevention. Histopathology did not show significant changes in high grade/low-grade tumor ratio. Immunohistochemistry showed increased expression of BAX in the MT group, and caspase-3 expression increased in both MT and combination groups. MT, and particularly the MF and MT combination, inhibited DMBA-induced mammary tumor growth in rats by apoptosis stimulation in cancer cells. Our results indicate that MT supplements in patients treated with MF may have a considerable effect on the incidence of breast cancer. PMID- 29200003 TI - Effects of the antidepressants desipramine and fluvoxamine on latency to immobility and duration of immobility in the forced swim test in adult male C57BL/6J mice. AB - The forced swim test in rodents allows rapid detection of substances with antidepressant-like activity, evidenced as a decreased duration of immobility that is produced by the majority of clinically used antidepressants. Antidepressants also increase the latency to immobility, and this additional measure reportedly can increase the sensitivity of the forced swim test in mice. Extending these findings, the present study examined the effects of desipramine and fluvoxamine in a forced swim test in C57BL/6J mice, a strain commonly used as background for genetic modifications, analyzing results with a method (i.e. survival analysis) that can model the skewed distribution of latencies and that can deal with censored data (i.e. when immobility does not occur during the test), in comparison with the more traditional Student's t-test. Desipramine increased the latency to immobility at 32 mg/kg, but not at lower doses. Fluvoxamine also did not affect latency at lower doses, but in contrast to desipramine, fluvoxamine decreased the latency to immobility at the highest dose (i.e. 32 mg/kg). At doses affecting latency to immobility, neither desipramine nor fluvoxamine significantly affected duration of immobility. Together, these results are generally consistent with the suggestion that inclusion of the latency measure can increase the sensitivity of the forced swim test to detect antidepressant-like effects in mice. PMID- 29200005 TI - In Response to the October 2017 Commentary. PMID- 29200004 TI - Effects of a Short Drilling Implant Protocol on Osteotomy Site Temperature and Drill Torque. AB - PURPOSE: To establish a protocol for reducing the drilling sequence during implant site preparation based on temperature and insertion torque. The traditional conventional drilling sequence (used several drills with 0.6-mm increment each time) was compared with the proposed short drilling protocol (only used 2 drills: initial and final drill). MATERIALS AND METHODS: One hundred drilling osteotomies were performed in bovine and porcine bones. Sets of 2 osteotomy sites were created in 5 bone densities using 2 types of drilling protocols. Thermographic pictures were captured throughout all drilling procedures and analyzed using ThermaCAM Researcher Professional 2.10. Torque values were determined during drilling by measuring electrical input and drill speed. RESULTS: There were statistically significant differences in bone temperature between the conventional and short drilling protocols during implant site preparation (analysis of variance P = 0.0008). However, there were no significant differences between the 2 types of drilling protocols for both implant diameters. Implant site preparation time was significantly reduced when using the short drilling protocol compared with the conventional drilling protocol (P < 0.001). CONCLUSIONS: Within the limitations of the study, the short drilling protocol proposed herein may represent a safe approach for implant site preparation. PMID- 29200006 TI - Impact of sustained virologic response on short-term clinical outcomes in hepatitis C-related cirrhosis. AB - BACKGROUND: Hepatitis C virus (HCV) is a common cause of cirrhosis, leading to increased morbidity and mortality. Treatment of the underlying etiology has been shown to improve fibrosis and cirrhosis. AIM: We sought to evaluate the impact of a sustained virologic response on liver chemistries, model for end stage liver disease (MELD) score, Child-Pugh-Turcotte score (CPT), and fibrosis 4 score (FIB4) in patients with liver cirrhosis secondary to HCV with portal hypertension, with or without decompensation. METHODS: Patients with HCV seen in our transplant clinic between June 2013 and September 2015 were identified using ICD-9 code 573.3. Charts were reviewed retrospectively. RESULTS: We collected data from 92 patients with a mean pretreatment MELD score of 9.16+/-2.98. The most common genotype was Ia, n=79 (86%). The mean duration of follow-up was 7.52+/-2.25 months. Transaminitis improved significantly at follow-up versus pretreatment [mean aspartate transaminase from 81.2+/-62.9 to 32.4+/-12.0 (P<0.0001); alanine transaminase 74.7+/-77.8 to 27.7+/-19.4 (P<0.0001)]. Albumin, bilirubin, and alpha-fetoprotein improved significantly. MELD scores improved in patients with pretreatment scores greater than 10 (P<0.0003), but not in patients with pretreatment scores less than 10 (P=0.501). The CPT score decreased from 6.1+/-0.9 to 5.8+/-0.9 (P<0.0024). The FIB4 score improved significantly in patients with baseline FIB4 more than 3.24, but not with higher baseline FIB4. CONCLUSION: Use of direct antivirals in patients with decompensated cirrhosis because of HCV leads to improved MELD, FIB4, and CPT scores. PMID- 29200008 TI - Four Types of Pulse Oximeters Accurately Detect Hypoxia during Low Perfusion and Motion. AB - BACKGROUND: Pulse oximeter performance is degraded by motion artifacts and low perfusion. Manufacturers developed algorithms to improve instrument performance during these challenges. There have been no independent comparisons of these devices. METHODS: We evaluated the performance of four pulse oximeters (Masimo Radical-7, USA; Nihon Kohden OxyPal Neo, Japan; Nellcor N-600, USA; and Philips Intellivue MP5, USA) in 10 healthy adult volunteers. Three motions were evaluated: tapping, pseudorandom, and volunteer-generated rubbing, adjusted to produce photoplethsmogram disturbance similar to arterial pulsation amplitude. During motion, inspired gases were adjusted to achieve stable target plateaus of arterial oxygen saturation (SaO2) at 75%, 88%, and 100%. Pulse oximeter readings were compared with simultaneous arterial blood samples to calculate bias (oxygen saturation measured by pulse oximetry [SpO2] - SaO2), mean, SD, 95% limits of agreement, and root mean square error. Receiver operating characteristic curves were determined to detect mild (SaO2 < 90%) and severe (SaO2 < 80%) hypoxemia. RESULTS: Pulse oximeter readings corresponding to 190 blood samples were analyzed. All oximeters detected hypoxia but motion and low perfusion degraded performance. Three of four oximeters (Masimo, Nellcor, and Philips) had root mean square error greater than 3% for SaO2 70 to 100% during any motion, compared to a root mean square error of 1.8% for the stationary control. A low perfusion index increased error. CONCLUSIONS: All oximeters detected hypoxemia during motion and low-perfusion conditions, but motion impaired performance at all ranges, with less accuracy at lower SaO2. Lower perfusion degraded performance in all but the Nihon Kohden instrument. We conclude that different types of pulse oximeters can be similarly effective in preserving sensitivity to clinically relevant hypoxia. PMID- 29200007 TI - Disruption of the gut-liver axis in the pathogenesis of acute-on-chronic liver failure. AB - Acute-on-chronic liver failure (ACLF) is characterized by organ failure mediated by acute decompensation of cirrhosis. Recent studies have highlighted the importance of the gut-liver axis (GLS) and its association with ACLF pathogenesis. In this review, we discuss the mechanisms related to the alteration of the GLA and their involvement in ACLF pathogenesis and suggest some possible therapeutic options that could modulate the GLA dysfunction. This knowledge may provide information useful for the design of therapeutic strategies for gut dysbiosis and its complications in ACLF. PMID- 29200009 TI - Antifibrinolytic Therapy and Perioperative Considerations. AB - Fibrinolysis is a physiologic component of hemostasis that functions to limit clot formation. However, after trauma or surgery, excessive fibrinolysis may contribute to coagulopathy, bleeding, and inflammatory responses. Antifibrinolytic agents are increasingly used to reduce bleeding, allogeneic blood administration, and adverse clinical outcomes. Tranexamic acid is the agent most extensively studied and used in most countries. This review will explore the role of fibrinolysis as a pathologic mechanism, review the different pharmacologic agents used to inhibit fibrinolysis, and focus on the role of tranexamic acid as a therapeutic agent to reduce bleeding in patients after surgery and trauma. PMID- 29200010 TI - Role of Systematic Lymphadenectomy to Tailor Adjuvant Therapy in Early Endometrial Cancer. AB - OBJECTIVE: The long-standing protocol at our center for apparent stage I and II endometrial cancers comprises hysterectomy and bilateral salpingo-oophorectomy without lymphadenectomy. Adjuvant treatment is based in line with Postoperative Radiation Therapy in Endometrial Carcinoma 1 protocol. Our aim was to quantify the number of patients who would avoid external beam radiation therapy (EBRT) in our institution if we adopted a protocol of lymphadenectomy to tailor adjuvant EBRT and its impact on cost and quality of life. DESIGN: Retrospective case cohort study. SETTING: Gynecological oncology center. METHODS: All endometrial cancers treated from 2007 to 2012 were included. The European Organization for Research and Treatment of Cancer (EORTC) quality of life (QLQ-30) and endometrial cancer specific (EN-24) questionnaires were used to measure the quality of life. The NHS tariff for EBRT, VBT and lymphadenectomy were obtained from our Trust's contract with the local commissioning groups. MAIN OUTCOME MEASURES: Quality of life and cost. RESULTS: Systematic pelvic lymphadenectomy in early endometrial cancers of all grades would avoid EBRT in 23.3% of patients, and if performed for grade 2 and 3 cancers, 39.5% of patients would avoid EBRT. The global health scores were significantly lower, and pain scores were considerably higher in patients who received EBRT. Performing systematic lymphadenectomy and tailored adjuvant therapy in grade 2 and 3 endometrial cancers would save L134,691 and for all grades save L37,161 for every 100 patients treated with early endometrial cancer. CONCLUSION: Systematic lymphadenectomy with tailored adjuvant therapy may offer better QoL with reduced cost to NHS without a reduction in overall survival. PMID- 29200011 TI - Coronal CT is Comparable to MR Imaging in Aiding Diagnosis of Dementia in a Memory Clinic in Singapore. AB - PURPOSE: The present study investigated (a) the agreement between computerized tomography (CT) and 3 T magnetic resonance imaging (MRI) in the visual grading of medial temporal atrophy (MTA); and (b) whether MTA on CT differentiated patients with dementia from no dementia in memory clinics. MATERIALS AND METHODS: Data were obtained from patients who underwent CT scans at the National University Hospital of Singapore, and from a subsample who subsequently underwent 3 T MRI scans in a research study. Agreements and disagreements between CT and MRI were determined. Area under the curve (AUC) analyses determined if CT-graded MTA distinguished patients with dementia from no dementia. RESULTS: Of the 107 patients in the subsample, MTA scores of 71 agreed on both CT and MRI. The true positive rate between CT and MRI for MTA scores >=2 was 79.7%. The true negative rate for MTA scores between 0 and 1 was 96.4%. CT underestimated MTA severity in 33 of 36 disagreements with the MRI. MTA scores >=2 on CT distinguished dementia from no dementia in both discovery [n=263; AUC (95% confidence interval)=0.77 (0.72-0.83); sensitivity=0.69; specificity=0.74] and validation [n=264; AUC (95% confidence interval)=0.77 (0.71-0.82); sensitivity=0.72; specificity=0.72] groups. CONCLUSIONS: MTA graded on CT is a viable alternative to MRI to aid in the diagnosis of dementia in memory clinics. PMID- 29200012 TI - A Naturalistic Evaluation of Change in Antidepressant Prescription in Patients With Affective and Anxiety Disorders in a Tertiary Care Hospital of India. AB - BACKGROUND: Although many studies have evaluated prescription patterns, there is lack of information on the choice of antidepressants among patients who do not respond antidepressants. Similarly, information on switching strategies is also limited. This naturalistic study aimed to evaluate the switching strategies and preferred antidepressants by the psychiatrists among patients who do not respond to or who are not able to tolerate an antidepressant. METHODS: A cross-sectional observational study design was followed. Patients diagnosed with affective and anxiety disorders, who were recommended a change in antidepressant, were recruited. Details of antidepressant before switching, antidepressants considered at the time of switching, coprescription advised at the time of switching, reasons considered for switching, and strategy advised at the time of switching were noted down. RESULTS: A total of 102 patients were recruited. The most common change strategy was selective serotonin reuptake inhibitor (SSRI) to a serotonin norepinephrine reuptake inhibitor (SNRI) (N = 42; 41.17%), and this was followed by SSRI to SSRI (N = 18; 17.64%) and SNRI to SSRI (N = 10; 9.8%). In majority of the patients (N = 79; 77.45%) cross-taper of older antidepressant with gradual increase in dose of newer antidepressants was followed. About 44.1% of the patients were on adjuvant medications at the time of considering change in antidepressants, and 37.25% of the patients were additionally started on some adjuvant medications during the change of antidepressants. CONCLUSIONS: The present study suggests that the most common strategy followed during change of antidepressant is from SSRI to SNRI and this is followed by SSRI to SSRI and SNRI to SSRI. Cross-taper switching strategy along with the use of adjuvant medications like benzodiazepines during the process of switching is most commonly followed. PMID- 29200013 TI - Computed Tomography-Based Imaging of Voxel-Wise Lesion Water Uptake in Ischemic Brain: Relationship Between Density and Direct Volumetry. AB - OBJECTIVES: Net water uptake per volume of brain tissue may be calculated by computed tomography (CT) density, and this imaging biomarker has recently been investigated as a predictor of lesion age in acute stroke. However, the hypothesis that measurements of CT density may be used to quantify net water uptake per volume of infarct lesion has not been validated by direct volumetric measurements so far. The purpose of this study was to (1) develop a theoretical relationship between CT density reduction and net water uptake per volume of ischemic lesions and (2) confirm this relationship by quantitative in vitro and in vivo CT image analysis using direct volumetric measurements. MATERIALS AND METHODS: We developed a theoretical rationale for a linear relationship between net water uptake per volume of ischemic lesions and CT attenuation. The derived relationship between water uptake and CT density was tested in vitro in a set of increasingly diluted iodine solutions with successive CT measurements. Furthermore, the consistency of this relationship was evaluated using human in vivo CT images in a retrospective multicentric cohort. In 50 edematous infarct lesions, net water uptake was determined by direct measurement of the volumetric difference between the ischemic and normal hemisphere and was correlated with net water uptake calculated by ischemic density measurements. RESULTS: With regard to in vitro data, water uptake by density measurement was equivalent to direct volumetric measurement (r = 0.99, P < 0.0001; mean +/- SD difference, -0.29% +/- 0.39%, not different from 0, P < 0.0001). In the study cohort, the mean +/- SD uptake of water within infarct measured by volumetry was 44.7 +/- 26.8 mL and the mean percent water uptake per lesion volume was 22.7% +/- 7.4%. This was equivalent to percent water uptake obtained from density measurements: 21.4% +/- 6.4%. The mean difference between percent water uptake by direct volumetry and percent water uptake by CT density was -1.79% +/- 3.40%, which was not significantly different from 0 (P < 0.0001). CONCLUSIONS: Volume of water uptake in infarct lesions can be calculated quantitatively by relative CT density measurements. Voxel-wise imaging of water uptake depicts lesion pathophysiology and could serve as a quantitative imaging biomarker of acute infarct lesions. PMID- 29200014 TI - Increased Delay Between Gadolinium Chelate Administration and T1-Weighted Magnetic Resonance Imaging Acquisition Increases Contrast-Enhancing Tumor Volumes and T1 Intensities in Brain Tumor Patients. AB - OBJECTIVES: The aim of this study was to evaluate the impact of delayed T1 weighted (T1-w) MRI acquisition after gadolinium chelate administration on brain tumor volumes and T1-w intensities. MATERIALS AND METHODS: Fifty-five patients with histologically confirmed, contrast-enhancing intra-axial brain tumors were analyzed in this prospective test-retest study. Patients underwent 2 consecutive 3 T MRI scans (separated by a 1-minute break) during routine follow-up with contrast-enhanced T1 (ceT1-w), T2, and FLAIR acquisition. Macrocyclic gadolinium chelate-based contrast agent was only administered before the first ceT1-w acquisition; median latency to ceT1-w acquisition was 6.72 minutes (IQR, 6.53 6.92) in the first and 16.27 minutes (IQR, 15.49-17.26) in the second scan. Changes in tumor volumes and relative ceT1-w intensities between the 2 acquisitions were quantitatively assessed following semiautomated tumor segmentation (separately for contrast-enhancement [CE], necrosis [NEC], and nonenhancing [NE] tumor). RESULTS: Semiautomatically segmented CE tumor volumes were significantly larger in the second acquisition (median +32% [1.2 cm]; IQR, 16%-62%; P < 0.01), which corresponded to a 10% increase in CE tumor diameter (+0.3 cm). Contrarily, NEC and NE tumor volumes were significantly smaller (median -24% [IQR, -36% to -54%], P < 0.01 for NEC and -2% [IQR, -1% to -3%], P = 0.02 for NE tumor). Bland-Altman plots confirmed a proportional bias toward higher CE and lower NEC volumes for the second ceT1-w acquisition. Relative ceT1 w intensities for both early- (regions already enhancing in the first scan) and late-enhancing (newly enhancing regions in the second scan) tumor were significantly increased in the second acquisition (by 5.8% and 27.3% [P < 0.01, respectively]). Linear-mixed effects modeling confirmed that the increase in CE volumes and CE intensities is a function of the interval between contrast agent injection and ceT1-w acquisition (P < 0.01 each). CONCLUSIONS: Our study indicates that the maximum extent of CE tumor volumes and intensities may increase beyond the time frame of 4 to 8 minutes after contrast agent injection and potentially affects the diagnosis of progressive or recurrent disease because late-enhancing recurrent disease might not be unequivocally detected on standard follow-up MRI. PMID- 29200015 TI - Elevated Production of Nociceptive CC Chemokines and sE-Selectin in Patients With Low Back Pain and the Effects of Spinal Manipulation: A Nonrandomized Clinical Trial. AB - BACKGROUND: The involvement of inflammatory components in the pathophysiology of low back pain (LBP) is poorly understood. It has been suggested that spinal manipulative therapy (SMT) may exert anti-inflammatory effects. PURPOSE: The purpose of this study was to determine the involvement of inflammation-associated chemokines (CC series) in the pathogenesis of nonspecific LBP and to evaluate the effect of SMT on that process. METHODS: Patients presenting with nonradicular, nonspecific LBP (minimum pain score 3 on 10-point visual analog scale) were recruited according to stringent inclusion criteria. They were evaluated for appropriateness to treat using a high velocity low amplitude manipulative thrust in the lumbar-lumbosacral region. Blood samples were obtained at baseline and following the administration of a series of 6 high velocity low amplitude manipulative thrusts on alternate days over the period of 2 weeks. The in vitro levels of CC chemokine ligands (CCL2, CCL3, and CCL4) production and plasma levels of an inflammatory biomarker, soluble E-selectin (sE-selectin), were determined at baseline and at the termination of treatments 2 weeks later. RESULTS: Compared with asymptomatic controls baseline production of all chemokines was significantly elevated in acute (P=0.004 to <0.0001), and that of CCL2 and CCL4 in chronic LBP patients (P<0.0001). Furthermore, CCL4 production was significantly higher (P<0.0001) in the acute versus chronic LBP group. sE selectin levels were significantly higher (P=0.003) in chronic but not in acute LBP patients. Following SMT, patient-reported outcomes showed significant (P<0.0001) improvements in visual analog scale and Oswestry Disability Index scores. This was accompanied by a significant decline in CCL3 production (P<0.0001) in both groups of patients. Change scores for CCL4 production differed significantly (P<0.0001) only for the acute LBP cohort, and no effect on the production of CCL2 or plasma sE-selectin levels was noted in either group. CONCLUSIONS: The production of chemotactic cytokines is significantly and protractedly elevated in LBP patients. Changes in chemokine production levels, which might be related to SMT, differ in the acute and chronic LBP patient cohorts. PMID- 29200017 TI - Efficacy of 8 Different Drug Treatments for Patients With Trigeminal Neuralgia: A Network Meta-analysis. AB - OBJECTIVES: Trigeminal neuralgia (TN) is commonly seen in older persons and negatively influences their daily life. Although some research on the efficacy of TN drugs has been conducted, the optimal choice still remains uncertain. Therefore, this network meta-analysis (NMA) evaluated the efficacy and performance of 8 drugs with respect to TN. METHODS: All literature was retrieved from the PubMed and Embase electronic databases by jointly searching key terms. The only outcome was response rate, expressed as the odds ratio with 95% credible/confidence intervals. Both a pairwise meta-analysis and NMA were conducted. Heat plot and node splitting were computed to measure the consistency between direct and indirect evidence. In addition, surface under cumulative ranking curves were utilized to rank different drugs for treating TN. RESULTS: In total, 13 studies and 672 TN patients were included in this NMA. With regard to the primary endpoint response rate, only lidocaine (LDC), botulinum toxin type A (BTX-A), and carbamazepine (CBZ) had a statistical better performance than the placebo. According to the surface under cumulative ranking curves, LDC, BTX-A, and CBZ are the most effective drugs for treating patients with TN. CONCLUSIONS: Among the 8 drugs investigated, all exhibited a capacity to alleviate TN more than the placebo except for pimozide and proparacaine. Moreover, LDC, BTX-A, and CBZ stood out for their high efficacy and could be recommended as the primary choice of treatment for TN. PMID- 29200016 TI - Intravenous Acetaminophen Reduces Length of Stay Via Mediation of Postoperative Opioid Consumption After Posterior Spinal Fusion in a Pediatric Cohort. AB - OBJECTIVES: Since approval of intravenous acetaminophen (IV APAP), its use has become quite common without strong positive evidence. Our goal was to determine the effect of IV APAP on length of hospital stay (LOS) via mediation of opioid related side effects in pediatric patients. MATERIALS AND METHODS: After Institutional Review Board approval, 114 adolescents undergoing posterior spinal fusion were prospectively recruited and managed postoperatively with patient controlled analgesia and adjuvant therapy. Patients were divided into 2 groups based on the use of IV APAP: control (n=70) and treatment (n=44). Association of IV APAP use with opioid outcomes was analyzed using inverse probability of treatment weighting (IPTW)-adjusted propensity scores to balance the 2 groups for all significant covariates except postoperative opioid consumption. Mediation analysis was carried out for LOS with IV APAP as the independent variable and morphine consumption as the mediator. RESULTS: Oral intake was delayed by ~1 day (P<0.001) and LOS was 0.6 days longer in the control group (P=0.044). After IPTW, time to oral intake remained significantly longer in the control group (P=0.014). The mediation model with IPTW revealed a significant negative association between IV APAP and morphine consumption (P<0.001), which significantly increased LOS (P<0.003). IV APAP had a significant opioid-sparing effect associated with shorter LOS. DISCUSSION: IV APAP hastens oral intake and is associated with decreased LOS in an adolescent surgery population likely through decreased opioid consumption. Through addition of IV APAP in this population, LOS may be decreased, an important implication in the setting of escalating health care costs. PMID- 29200018 TI - The Diagnostic and Prognostic Role of Interleukin 12B and Interleukin 6R Gene Polymorphism in Patients With Ankylosing Spondylitis. AB - OBJECTIVES: Interleukin 23 (IL-23) pathway and IL-1 cluster genes play prominent role in the etiopathology of ankylosing spondylitis (AS). The aim of this study was to investigate the diagnostic and prognostic role of 5 single-nucleotide polymorphisms related to IL-23 pathway and IL-1 cluster genes in AS patients. METHODS: Four hundred thirty-one patients with AS and 206 age- and sex-matched healthy controls were recruited in this prospective cohort study. Five potential single-nucleotide polymorphisms (IL-23R [rs11209026], IL-12B [rs6871626], TYK2 [rs6511701], IL-6R [rs4129267], and IL-1R2 [rs2192752]) related to IL-23 pathway and IL-1 cluster genes by analyzing previous studies were genotyped. Among 431 total AS patients, 198 active cases were treated and followed up for 24 weeks. RESULTS: Frequencies of IL-12B AA (rs6871626) and IL-6R TT (rs4129267) genotypes were increased in AS patients compared with healthy controls (both P < 0.001), and IL-12B A (rs6871626) as well as IL-6R T (rs4129267) allele increased the risk of AS independently (both P < 0.001). The Bath Ankylosing Spondylitis Disease Activity Index score was found to be elevated in AS patients with IL-12B AA (rs6871626) compared with patients with the CA and CC genotypes (P = 0.002 and P < 0.001, respectively), and the Bath Ankylosing Spondylitis Functional Index score was also increased in AS patents with IL-12B AA (rs6871626) than in those with the CA and CC genotypes (P = 0.001 and P < 0.001). In addition, IL-6R T (rs4129267) allele could predict a worse ASAS-20 (Assessment of SpondyloArthritis international Society) response at week 24 as an independent factor by multivariate logistic regression analysis with additive model (P = 0.011). CONCLUSIONS: Interleukin 12B (rs6871626) and IL-6R (rs4129267) gene polymorphisms could serve as promising biomarkers for diagnosis and prognosis in AS patients. PMID- 29200019 TI - The Impact of Intra-articular Depot Betamethasone Injection on Insulin Resistance Among Diabetic Patients With Osteoarthritis of the Knee: A Case-Control Study. AB - OBJECTIVE: The aim of this study was to evaluate the impact of intra-articular corticosteroid injection (IACI) of depot betamethasone at the knee joint on insulin resistance (IR). METHODS: Patients with type 2 diabetes, non-insulin treated, with painful osteoarthritis of the knee were requested to participate in our study. After consent, demographic, clinical, and laboratory parameters were documented in addition to fasting blood glucose (FBG) and fasting blood insulin levels just prior to IACI of 1 mL of depot betamethasone. Fasting blood glucose and fasting blood insulin levels were repeated the next day following the IACI and 8 days later. Age- and sex-matched group of patients with type 2 diabetes from the same clinic were recruited as a control group (case-control study). Insulin resistance was calculated using Homeostasis Model Assessment-Insulin Resistance. Mann-Whitney U test, chi test, and Wilcoxon signed rank tests were used for statistical analysis. RESULTS: Eleven patients were recruited in the patients' group and 10 patients in the control group. Median FBG in the patients' group at baseline was 148 +/- 51 mg/dL, and median IR was 5.12 +/- 2.46. One day following the IACI, median FBG level was 247 +/- 104 mg/dL (P = 0.004, compared with baseline), with median IR of 20.8 +/- 7.01 (P = 0.0039). The median ratios of blood glucose and IR 1 day following the IACI compared with baseline were 1.7 and 4.1, respectively. Eight days following the IACI, mean FBG and IR levels were not significantly different from baseline. CONCLUSIONS: Intra-articular corticosteroid injection of betamethasone at the knee joint among patients with diabetes was associated with a significant increase in IR levels compared with baseline levels, 1 day following the injection. The mean percentage of increase in IR was higher than that for FBG levels. PMID- 29200020 TI - Sputum Anticitrullinated Protein Antibodies in Patients With Long-standing Rheumatoid Arthritis. AB - OBJECTIVE: The aim of this study was to evaluate the presence of autoantibodies to cyclic citrullinated synthetic peptides (ACPAs) in the sputum of patients with long-standing rheumatoid arthritis (RA). METHODS: Nineteen consecutive RA patients and 16 age- and sex-matched control subjects participated in this cross sectional study. All underwent complete lung function tests and provided induced sputum. Antibodies to citrullinated (CitP) and the corresponding norleucine containing (NorP) peptides in the sputum of the RA patients and control subjects, as well as in the serum of the RA patients, were determined by enzyme-linked immunosorbent assay. RESULTS: Patients with RA had the following characteristics: mean disease duration of 12 years, Disease Activity Score for 28 joints of 3.44, and Sharp-van der Heijde score of 57.5. Ten of the 19 RA patients showed high titers of ACPAs in their sera. Four of the seropositive (40%), none of the seronegative RA patients, and only 1 of the control subjects showed detectable levels of ACPAs in their sputum. The ratio between the reactivity with CitP and NorP peptides in the sputum was significantly higher in RA sputum than in control sputum (1.33 +/- 1.2 vs. 0.64 +/- 0.14, P = 0.02). A positive correlation was found between sputum ACPAs and age, serum ACPAs, sputum anti-NorP, serum anti CitP/NorP reactivity ratio, and the proportion of neutrophils and lymphocytes in the sputum. No significant correlation was found between sputum ACPAs and disease severity, history of smoking, lung function tests, or treatment for RA. CONCLUSIONS: Anticitrullinated protein/peptide antibodies can be detected in the sputum of RA patients and are correlated with the presence in the serum. PMID- 29200021 TI - Sonographic Findings of Hands and Wrists in Systemic Lupus Erythematosus Patients With Jaccoud Arthropathy. AB - INTRODUCTION: Jaccoud arthropathy (JA) is a deforming nonerosive arthropathy, characterized by the presence of "reversible" joint deformity. The study aims at describing the main musculoskeletal ultrasound (US) findings of a series of systemic lupus erythematosus (SLE) patients with JA. METHODS: Consecutive patients diagnosed as having JA and SLE were included in the study. All patients underwent a whole clinical evaluation and US of the hands and wrists. The US scan evaluated the presence of synovial hypertrophy, tenosynovitis, and bone erosions. RESULTS: Thirty-nine of 40 patients were female. The US examination was performed on 560 joints of the hands and wrists. At least 1 change was observed in the US examination of 20 patients (50.0%), but there was not a statistically significant association with disease activity (P = 0.33). Nineteen patients (47.5%) had synovial hypertrophy, 9 (22.5%) had tenosynovitis, and 7 (17.5%) had both. Isolated small bone erosions were identified in 2 patients (5.0%). CONCLUSIONS: Ultrasound examination is a reliable and noninvasive imaging method for the evaluation of joint involvement in SLE. Half of the patients with JA have ultrasonographic signs of joint inflammation, and these abnormalities may be found even in the absence of disease activity. PMID- 29200022 TI - Relationship Between Ventricular Arrhythmias, Conduction Disorders, and Myocardial Fibrosis in Patients With Systemic Sclerosis. AB - BACKGROUND: Delayed-enhancement magnetic resonance imaging (DE-MRI) is a noninvasive diagnostic tool able to identify myocardial fibrosis. In patients with scleroderma, its relationship with arrhythmias and conduction disorders has not been fully explored. OBJECTIVES: The aim of this study was to evaluate the possible correlations between ventricular arrhythmias, conduction disorders, and myocardial fibrosis in patients with systemic sclerosis. METHODS: Thirty-six patients with diffuse or limited cutaneous scleroderma underwent 12-lead electrocardiogram (ECG), 24-hour Holter ECG monitoring, transthoracic echocardiography, and cardiac DE-MRI, with gadolinium administration in 33 patients. RESULTS: High-quality DE-MRI scans were obtained in 30 patients. Myocardial fibrosis was detected in 25 patients (83.3%). Eighteen patients (60%) had ventricular arrhythmias or conduction disorders. There was no significant difference in ventricular arrhythmia burden (the total number of premature ventricular contractions [PVCs]/24 hours) (48 +/- 304 vs. 69 +/- 236, P = 0.97), ventricular arrhythmia severity (couplets, triplets, runs) on Holter ECG, or in the presence of conduction disorders (36% vs. 40%, P = 0.86) between patients with and without myocardial fibrosis. In univariate analysis, diffuse fibrosis was weakly associated with the number of PVCs/24 hours (R = 0.157, P = 0.03). A number of at least 597 PVCs/24 hours had a sensitivity of 60% and a specificity of 92% in predicting the presence of diffuse fibrosis on DE-MRI (area under the curve = 0.640). CONCLUSIONS: Delayed-enhancement magnetic resonance imaging can identify myocardial fibrosis in a high percentage of scleroderma patients. Its presence does not seem to influence the ventricular arrhythmia burden and severity or the presence of conduction disorders, with the exception of diffuse myocardial fibrosis, which modestly influences the total number of PVCs/24 hours. PMID- 29200023 TI - Large Artery Dysfunction in Primary Antiphospholipid Syndrome. AB - OBJECTIVE: The aim of this study was to assess the arterial distensibility of large vessels and changes in microvasculature in primary antiphospholipid syndrome. METHODS: Twenty-two antiphospholipid syndrome (APL) patients and 66 age , sex-, height-, and blood pressure-matched controls were evaluated. Second derivative of the finger photoplethysmogram (SDPTG) was used as a noninvasive method to evaluate the pulse wave. The b/a and d/a indices, which reflect, respectively, large-vessel and small-vessel properties, were calculated from the SDPTG waveform components. Vascular age index was also determined. RESULTS: Arterial thrombosis occurred in 59.1% (13/22) of APL patients, with a predominance of stroke episodes (61.5%). Venous thromboembolism was observed in 36.4% (all deep venous thrombosis), and obstetric complications in 36.4%. Frequency of diabetes mellitus, smoking, and dyslipidemia was comparable in APL patients and control subjects (P > 0.05). Concerning plethysmography findings, b/a ratio was higher in patients than in control subjects (-0.44 +/- 0.16 vs. 0.54 +/- 0.18, P = 0.034), whereas d/a ratio (-0.30 +/- 0.16 vs. -0.31 +/- 0.18, P = 0.83) was comparable. Moreover, SDPTG (-0.16 +/- 0.35 vs. -0.30 +/- 0.38, P = 0.16) and vascular age index values (53.5 +/- 11.6 vs. 51.8 +/- 16.1, P = 0.65) were alike in both groups. Regarding disease-related factors, patients with arterial and venous thrombosis had similar b/a, d/a, and vascular age indices (P = 0.95; P = 0.06; P = 0.12, respectively). CONCLUSIONS: The higher b/a ratio in APL patients suggests decreased distensibility of large arteries and may be why APL patients are at higher risk for cardiovascular events. The d/a ratio, that is considered a marker of small vessel vascular resistance, was not different than controls. Further studies are needed to evaluate vascular factors that predispose APL patients to atherosclerotic events. PMID- 29200025 TI - Granulomatosis With Polyangiitis in a Young Adult With Down Syndrome: Therapeutic Challenges and Clues to Immunopathogenesis. PMID- 29200024 TI - Granulomatosis With Polyangiitis and Continuous Positive Airway Pressure-The Challenge of Interface Between Nose and Mask. PMID- 29200026 TI - Severe Aortic Valve Regurgitation in Relapsing Polychondritis. PMID- 29200027 TI - Familial Mediterranean Fever Imitating Lupus Flare: A Rare Coexistence of an Autoimmune Disease With an Autoinflammatory Disease. PMID- 29200028 TI - Proliferative Diffuse Glomerulonephritis in Rheumatoid Arthritis. PMID- 29200029 TI - Therapeutic Guidelines for Latin American Lupus Patients: Methodology. PMID- 29200031 TI - NACNS Newsletter: President's Message. PMID- 29200030 TI - Resveratrol for patients with chronic obstructive pulmonary disease: hype or hope? AB - PURPOSE OF REVIEW: Chronic obstructive pulmonary disease (COPD) is a progressive lung disease with a high prevalence of extrapulmonary manifestations and, frequently, cardiovascular comorbidity. Resveratrol is a food-derived compound with anti-inflammatory, antioxidant, metabolic and cardioprotective potential. Therefore, resveratrol might improve the pulmonary as well as extrapulmonary pathology in COPD. In this review, we will evaluate knowledge on the effects of resveratrol on lung injury, muscle metabolism and cardiovascular risk profile and discuss if resveratrol is a hype or hope for patients with COPD. RECENT FINDINGS: Experimental models of COPD consistently show decreased inflammation and oxidative stress in the lungs after resveratrol treatment. These beneficial anti inflammatory and antioxidant properties of resveratrol can indirectly also improve both skeletal and respiratory muscle impairment in COPD. Recent clinical studies in non-COPD populations show improved mitochondrial oxidative metabolism after resveratrol treatment, which could be beneficial for both lung and muscle impairment in COPD. Moreover, preclinical studies suggest cardioprotective effects of resveratrol but results of clinical studies are inconclusive. SUMMARY: Resveratrol might be an interesting therapeutic candidate to counteract lung and muscle impairments characteristic to COPD. However, there is no convincing evidence that resveratrol will significantly decrease the cardiovascular risk in patients with COPD. PMID- 29200032 TI - Faculty Responsibilities With Publishing Student Work. PMID- 29200033 TI - Clinical Nurse Specialist Certification Examinations: Legal and Ethical Considerations. PMID- 29200034 TI - Research Intervention Fidelity: Tips to Improve Internal Validity of Your Intervention Studies. PMID- 29200035 TI - Meningococcal Disease: Vaccines-Who's at Risk and the Future. PMID- 29200036 TI - Do End-of-Life Care Pathways Improve Outcomes in Caring for the Dying? PMID- 29200037 TI - Creating a Research Agenda and Setting Research Priorities for Clinical Nurse Specialists. AB - PURPOSE/OBJECTIVES: The purpose of this article is to describe the evolution and results of the process for establishing a research agenda and identification of research priorities for clinical nurse specialists, approved by the National Association of Clinical Nurse Specialists (NACNS) membership and sanctioned by the NACNS Board of Directors. DESCRIPTION OF THE PROJECT/PROGRAM: Development of the research agenda and identification of the priorities were an iterative process and involved a review of the literature; input from multiple stakeholders, including individuals with expertise in conducting research serving as task force members, and NACNS members; and feedback from national board members. OUTCOME: A research agenda, which is to provide an enduring research platform, was established and research priorities, which are to be applied in the immediate future, were identified as a result of this process. CONCLUSION: Development of a research agenda and identification of research priorities are a key method of fulfilling the mission and goals of NACNS. The process and outcomes are described in this article. PMID- 29200038 TI - Health Literacy and Health Status in People With Chronic Heart Failure. AB - PURPOSE/AIM: The aim of this study was to investigate whether health literacy, self-efficacy, and medication adherence can explain or predict the variance in health outcomes (measured as perceived physical or mental health status [HS]) in persons with chronic heart failure (HF). DESIGN: A nonexperimental cross sectional survey study used data gathered from 175 patients with chronic HF from urban cardiology practices in the northeast United States. METHODS: The Paasche Orlow and Wolf Causal Pathways conceptual model and Bandura's self-efficacy theory were used to select and test variables in the study. A demographic questionnaire, the Short Test of Functional Health Literacy, the Self-Efficacy for Appropriate Medication Use Scale, the Morisky Medication Adherence Scale, and the Short Form-12 version 2 assessing perceived physical and mental HS were completed. Multiple hierarchical regression analyses were used to analyze relationships among the variables. RESULTS: Significant associations between health literacy and self-efficacy and between health literacy and perceived mental HS were found (P < .05). High self-efficacy was the strongest predictor of physical HS (P < .01). The strongest predictor of mental HS was medication adherence (P < .01). CONCLUSIONS: Support of self-efficacy and medication adherence may improve HS. Including health literacy strategies in clinical practice may support improvements in HS in people with chronic HF. PMID- 29200039 TI - "It Just Is What It Is": The Positive and Negative Effects of Living With Inflammatory Bowel Disease and Irritable Bowel Syndrome. AB - PURPOSE: This study aimed to explore the lived experiences of women diagnosed with inflammatory bowel disease and/or irritable bowel syndrome enrolled in postsecondary education. METHODS: Nine women aged 18 to 26 years participated in this study. Data collection consisted of an informed consent form, a background questionnaire, and a semistructured one-on-one interview. This interview explored the lived experiences of these individuals regarding perceived positive and negative effects of living with these conditions. RESULTS: Salient themes that emerged from the data were (1) "It can add to my life," (2) "Why me?: My condition runs my life," and (3) "I'm doing the best I can with what I have." Themes 1 and 2, the themes addressed in this article, were subdivided into (1) change in perception of self, condition, and others and (2) healthy lifestyle and (1) unpredictability and inconsistencies of inflammatory bowel disease/irritable bowel syndrome, (2) lack of understanding, and (3) the inconvenience of inflammatory bowel disease/irritable bowel syndrome, respectively. All participants expressed both positive and negative effects of living with their conditions. CONCLUSION: Community health nurses should be aware of the positive and negative effects of living with these conditions to help build relationships and assist with condition management. Other implications are discussed. PMID- 29200041 TI - Meningococcal Disease: Vaccines-Who's at Risk and the Future. PMID- 29200040 TI - The Wisdom of Age. PMID- 29200042 TI - At a Tipping Point: Nurses Can Push Narcan to the Mainstream and Save Lives. PMID- 29200044 TI - Past Year Substance Use by Student Nurses. AB - PURPOSE: Nurses who abuse substances are a threat to patients, colleagues, society, and themselves. Research indicates that substance use often begins during undergraduate years. The purpose of this research was to identify rates of past year substance use by student nurses. METHOD: A quantitative, cross sectional, correlational design was used to examine past year substance use by student nurses and to determine whether substance use is related to age, gender, race, relationship status, ethnicity, country of birth, type of school program, and year in program. The convenience sample of National Student Nurses' Association members yielded 4,033 completed surveys. Students were asked about their past year substance use via Survey Monkey. Responses were analyzed through exploratory data analysis and logistic regression. RESULTS: Binge drinking was reported by 61% of the student nurses; 18% reported using marijuana; 5% reported using illegal drugs, excluding marijuana; 8% reported using nonprescribed stimulants to enhance academic performance; and 10% reported using nonprescribed prescription pills. Students who were younger than 28 years old, White, male, born in this country, or single tended to report more substance misuse than other students. CONCLUSIONS: The results suggest that student nurses tend to use fewer drugs than their college counterparts but are slightly more likely to binge drink. Further research is needed on the effect of substance education in the beginning of the nursing program and that continued throughout the program on student nurse substance use. Research on faculty's ability to identify the at risk student is necessary for early intervention. PMID- 29200045 TI - The Addition of Dexmedetomidine as an Adjunctive Therapy to Benzodiazepine Use in Alcohol Withdrawal Syndrome: A Literature Review. AB - Alcohol withdrawal syndrome (AWS) is commonly encountered in the intensive care unit population. Currently, the mainstay treatment for AWS is the use of benzodiazepines. However, some patients are refractory to benzodiazepine treatment due to heavy alcohol abuse. In addition, escalating doses of benzodiazepines can lead to respiratory depression, requiring intubation and mechanical ventilation. Intubation and mechanical ventilation increase both intensive care unit and hospital length of stay. The addition of pharmacological agents to reduce the amount of benzodiazepine use in AWS has recently been studied. Most recently, the addition of dexmedetomidine, a selective alpha2 adrenoceptor agonist, has been explored. Dexmedetomidine provides sedation without depressing the respiratory system, making it an ideal pharmacological agent to use. The addition of dexmedetomidine in adjunct to benzodiazepine use has been proven to reduce the amount of benzodiazepine administered, decrease the number of patients requiring intubation and mechanical ventilation, and decrease length of intensive care unit stay and overall length of hospital stay. However, the use of dexmedetomidine has also produced harmful side effects such as hypotension and bradycardia. The use of dexmedetomidine in conjunction with benzodiazepines in the setting of AWS is promising; however, more research needs to be conducted in regard to the safety and efficacy of its use. PMID- 29200046 TI - Undergraduate Nursing Students' Perceptions of Individuals With Drug Use Problems: Confirming the Factor Structure of the Drug and Drug Problems Perception Questionnaire. AB - The Drug and Drug Problems Perception Questionnaire (DDPPQ) is a multidimensional instrument that measures healthcare providers' attitudes toward working with patients who use drugs. Five- and six-subscale versions of the DDPPQ have been published. Although the reliability of the DDPPQ subscales was reported to be satisfactory, the factor structure of either version was not validated by a confirmatory factor analysis. The aim of this study was to examine the internal factor structure of the 22-item DDPPQ instrument using a sample of undergraduate nursing students. This study was a secondary analysis that utilized baseline data from the Addiction Training for Nurses using Screening, Brief Intervention, and Referral to Treatment Program. The DDPPQ was administrated during the undergraduate nursing students' junior year in a single university setting in southwestern Pennsylvania. A sample of 473 students was used in this study. The sample was split equally to conduct both principal component analysis (n = 237) and confirmatory factor analysis (n = 236). On average, the sample had a mean age of 22.9 years and was predominantly female (87.2%) and Caucasian (90.9%). A principal component analysis revealed that a five-factor structure had the best fit after the removal of two items. Reliabilities of the five subscales ranged from alpha = .696 to alpha = .904. Thus, a five-factor structure with removal of Items 9 and 19 is recommended when using the DDPPQ with undergraduate nursing students. PMID- 29200047 TI - Analysis of Health Behavior Theories for Clustering of Health Behaviors. AB - OBJECTIVES: The objective of this article was to review the utility of established behavior theories, including the Health Belief Model, Theory of Reasoned Action, Theory of Planned Behavior, Transtheoretical Model, and Health Promotion Model, for addressing multiple health behaviors among people who smoke. It is critical to design future interventions for multiple health behavior changes tailored to individuals who currently smoke, yet it has not been addressed. METHODS: Five health behavior theories/models were analyzed and critically evaluated. A review of the literature included a search of PubMed and Google Scholar from 2010 to 2016. Two hundred sixty-seven articles (252 studies from the initial search and 15 studies from the references of initially identified studies) were included in the analysis. RESULT: Most of the health behavior theories/models emphasize psychological and cognitive constructs that can be applied only to one specific behavior at a time, thus making them not suitable to address multiple health behaviors. However, the Health Promotion Model incorporates "related behavior factors" that can explain multiple health behaviors among persons who smoke. CONCLUSION: Future multiple behavior interventions guided by the Health Promotion Model are necessary to show the utility and applicability of the model to address multiple health behaviors. PMID- 29200048 TI - The Effect of Adolescents' Internet Addiction on Smartphone Addiction. AB - OBJECTIVE: The purpose of this study was to evaluate the effect of adolescents' Internet addiction levels on smartphone addiction. METHODS: This study included 609 students from three high schools that are located in western Turkey. Numbers, percentages, and averages were used to evaluate the sociodemographic data. The Kolmogorov-Smirnov and Shapiro-Wilk tests were used to determine whether the data had a normal distribution. RESULTS: The average age of the participants was 12.3 +/- 0.9 years. Of them, 52.3% were male, and 42.8% were 10th graders. All participants had smartphones, and 89.4% of them connected to the Internet continuously with their smartphones. The study found that there was a statistically significant correlation between Internet addiction and smartphone addiction. ORIGINALITY AND VALUE: It was determined that male adolescents with high levels of Internet addiction also had high smartphone addiction levels. On the other hand, sociodemographic variables had no statistically significant effect on smartphone addiction. A number of studies in the relevant literature examined the effects of Internet addiction on adolescents' smartphone addiction. However, findings of this study are unique because they are specific to the Turkish culture, and there is a limited database in Turkey regarding this issue. The researchers believe that the findings of this study will be beneficial to show the importance of the issue in the international arena and to guide further studies to prevent this addiction because there is no reliable database about smartphone addiction in Turkey. PMID- 29200049 TI - Psychosocial Factors Affecting Smartphone Addiction in University Students. AB - Smartphone addiction is a recent concern that has resulted from the dramatic increase in worldwide smartphone use. The purpose of this cross-sectional study was to evaluate psychosocial factors affecting smartphone addiction in university students. The study was performed among students at the Ondokuz Mayis University Samsun School of Health (Samsun, Turkey) on October-December 2015. Four hundred ninety-four students possessing smartphones and agreeing to participate were included. A sociodemographic data form produced by the authors and consisting of 10 questions was administered together with a questionnaire involving the Smartphone Addiction Scale-Short Version (SAS-SV), the Flourishing Scale, the General Health Questionnaire, and the Multidimensional Scale of Perceived Social Support. The questionnaires were applied in a class environment at face-to-face interviews. SAS-SV scores of 6.47% of students were "significantly higher" than the participating group mean SAS-SV score. Multiple regression analysis revealed that depression, anxiety and insomnia, and familial social support statistically, significantly predicted smartphone addiction. Further studies of smartphone addiction in different age groups and with different educational levels are now needed. PMID- 29200051 TI - Anabolic Steroids: Did Popeye Use Them Too? PMID- 29200050 TI - A Call for Compassionate Care. AB - The Substance Abuse and Mental Health Services Administration (2014) reported that 1.1% of pregnant women used nonprescription opiates (either heroin or prescription pills) in the last 30 days. Methadone and buprenorphine are the most common treatments for opiate addiction in pregnant women. Reasons for seeking opiate maintenance treatment (OMT) include keeping custody of one's children and the hope of developing a healthy parenting relationship. Yet, healthcare organizations and professionals have mixed opinions regarding health promotion within the maternal OMT population. Proper education regarding the growing and complex opiate epidemic continues to remain a void for many healthcare professionals. It is imperative that nurses who regularly interact with women in OMT show compassion and competence. It is important to highlight the universality of the challenges and needs of caring for the OMT population. This Perspectives column will explore and describe the context of maternal nonprescription opiate use and the care mothers in OMT should receive based on established nursing ethical standards. PMID- 29200053 TI - Nicotine Addiction and E-cigarettes. PMID- 29200052 TI - An Interview With E. M. Vitug Garcia. PMID- 29200054 TI - Adolescents With Substance Use Disorders. PMID- 29200057 TI - 20 Things You Didn't Know About beta-Blockers. PMID- 29200055 TI - The Addition of Dexmedetomidine as an Adjunctive Therapy to Benzodiazepine Use in Alcohol Withdrawal Syndrome: A Literature Review. AB - Alcohol withdrawal syndrome (AWS) is commonly encountered in the intensive care unit population.Currently, the mainstay treatment for AWS is the use of benzodiazepines. However, some patients are refractoryto benzodiazepine treatment due to heavy alcohol abuse. In addition, escalating doses of benzodiazepines can lead torespiratory depression, requiring intubation and mechanical ventilation. Intubation and mechanical ventilation increaseboth intensive care unit and hospital length of stay. The addition of pharmacological agents to reduce the amountof benzodiazepine use in AWS has recently been studied. Most recently, the addition of dexmedetomidine, aselective alpha2 adrenoceptor agonist, has been explored. Dexmedetomidine provides sedation without depressingthe respiratory system, making it an ideal pharmacological agent to use. The addition of dexmedetomidine in adjunctto benzodiazepine use has been proven to reduce the amount of benzodiazepine administered, decrease thenumber of patients requiring intubation and mechanical ventilation, and decrease length of intensive care unitstay and overall length of hospital stay. However, the use of dexmedetomidine has also produced harmful sideeffects such as hypotension and bradycardia. The use of dexmedetomidine in conjunction with benzodiazepinesin the setting of AWS is promising; however, more research needs to be conducted in regard to the safetyand efficacy of its use. PMID- 29200058 TI - Symptoms, Nutrition, Pressure Ulcers, and Return to Community Among Older Women With Heart Failure at Skilled Nursing Facilities: A Pilot Study. AB - BACKGROUND: Mortality rate is high for older women with heart failure (HF) who are discharged to skilled nursing facilities (SNFs) after hospitalization, but little is known about their symptoms, nutritional factors, and pressure ulcer status and whether these variables predict the women's return to the community. OBJECTIVES: The aims of this study are to characterize symptoms (ie, dyspnea, cognitive dysfunction, depression, and pain) and nutritional and pressure ulcer status, evaluate relationships among symptoms, and examine predictors of return to the community among older women with HF admitted to SNFs. METHODS: In this pilot observational study, data were collected retrospectively from the electronic medical records and the Minimum Data Set 3.0. RESULTS: Data were obtained for 45 women with HF (mean age, 84.8 years). Frequency of symptoms was dyspnea 18%, cognitive dysfunction 20%, depression 5%, and pain 78%. Mean body mass index (BMI) was 29.8 kg/m. Frequency of pressure ulcer risk was 85% and 18% had pressure ulcers. The 4 symptoms were not significantly related. Younger age (odds ratio, 0.90; P = .023) and BMI of 25 kg/m or greater (odds ratio, 5.31; P = .017) predicted return to the community. CONCLUSIONS: The women in this study had frequent pain, moderately frequent cognitive dysfunction, and high pressure ulcer risk. Surprisingly, few women had dyspnea or depression. Women who were younger with higher BMI were more likely to return to the community. The study needs to be replicated in a larger more diverse group of older patients with HF. PMID- 29200059 TI - A Perioperative Medicine Model for Population Health: An Integrated Approach for an Evolving Clinical Science. AB - Health care delivery in the United States continues to balance on the tight rope that connects its transition from volume to value. Value in economic terms can be defined as the amount something exceeds its commodity price and is determined by extraordinary reputation, quality, and/or service, whereas its destruction can be a consequence of poor management, unfavorable policy, decreased demand, and/or increased competition. Going forward, payment for health care delivery will increasingly be based on services that contribute to improvements in individual and/or population health value, and funds to pay for health care delivery will become increasingly vulnerable to competitive market forces. Therefore, a sustainable population health strategy needs to be comprehensive and thus include perioperative medicine as an essential component of the complete cycle of patient centered care. We describe a multidisciplinary integrated program to support perioperative medicine services that are integral to a comprehensive population health strategy. PMID- 29200060 TI - Changing Default Ventilator Settings on Anesthesia Machines Improves Adherence to Lung-Protective Ventilation Measures. AB - Perioperative lung-protective ventilation (LPV) can reduce perioperative pulmonary morbidity. We hypothesized that modifying default anesthesia machine ventilator settings would increase the use of intraoperative LPV. Default tidal volume settings on our anesthesia machines were decreased from 600 to 400 mL, and default positive end-expiratory pressure was increased from 0 to 5 cm H2O. This modification increased mean positive end-expiratory pressure from 3.1 to 5.0 cm H2O and decreased mean tidal volume from 8.2 to 6.7 mL/kg predicted body weight. Notably, increased adherence to LPV from 1.6% to 23.0% occurred quickly with the rate of increase more than doubling from 1.8% to 3.9% per year. PMID- 29200061 TI - Respiratory Gas Analysis-Technical Aspects. AB - A technology-focused review of respiratory gas analysis, with an emphasis on carbon dioxide analysis, is presented. The measurement technologies deployed commercially are highlighted, and the basic principles and technical concerns of infrared spectroscopy and mainstream versus sidestream gas sampling are discussed. The specifications of particular interest to the clinician, accuracy and response time, and the related standard, with typical values for a capnometer, are presented. Representative time and volumetric capnograms are shown with the clinically relevant parameters described. Aspects of the terminology in present-day use and the need for clarity in defining what is a breath and an end-tidal value are reviewed. The applications of capnography of particular interest to the anesthesiologist are noted, and key references are provided. Ongoing developments with respect to respiratory gas analysis, and those that will impact it, are noted. PMID- 29200062 TI - Is Compliance With Surgical Care Improvement Project Cardiac (SCIP-Card-2) Measures for Perioperative beta-Blockers Associated With Reduced Incidence of Mortality and Cardiovascular-Related Critical Quality Indicators After Noncardiac Surgery? AB - BACKGROUND: While continuation of beta-blockers (BBs) perioperatively has become a national quality improvement measure, the relationship between BB withdrawal and mortality and cardiovascular-related critical quality indicators has not been studied in a contemporary cohort of patients undergoing noncardiac surgery. METHODS: For this retrospective study, the quality assurance database of a large community-based anesthesiology group practice was used to identify 410,288 surgical cases, 18 years of age or older, who underwent elective or emergent noncardiac surgical procedures between January 1, 2009, and December 31, 2014. Each surgical case that was withdrawn from BBs perioperatively was propensity matched by clinical and surgical characteristics to 4 cases that continued BBs perioperatively. Subsequently, multivariable conditional logistic regression analyses were performed in the matched cohort to determine the extent to which withdrawal of perioperative BBs was independently associated with mortality as the primary outcome and cardiovascular-related critical quality indicators as the secondary outcome (need for vasopressor, electrocardiographic changes requiring treatment, unplanned admission to intensive care unit, postanesthesia care unit stay >2 hours, and a combination of cardiac arrest and myocardial infarction) within 48 hours postoperatively. RESULTS: Of the 66,755 (16%) cases in the cohort admitted on BB therapy, BBs were withdrawn in 3829 (6%) and continued in 62,926 (94%). Propensity score matching resulted in an analysis cohort of 19,145 cases. Withdrawal of perioperative BBs in the multivariable conditional logistic regression analysis was significantly associated with an increased risk for mortality (odds ratio [OR], 3.61; 95% confidence interval [CI], 1.75-7.35; P = .0003), but a significantly decreased risk for need of blood pressure support requiring vasopressor initiation (OR, 0.84; 95% CI, 0.76-0.92; P = .0003) and extended postanesthesia care unit stay (OR, 0.69; 95% CI, 0.54-0.88; P = .004) within 48 hours after noncardiac surgery. CONCLUSIONS: Perioperative withdrawal of BBs was associated with increased risk for mortality within 48 hours after noncardiac surgery and with decreased risk for need of vasopressor during the early postoperative period and a shorter stay in the postanesthesia care unit. PMID- 29200063 TI - In Response. PMID- 29200064 TI - Informed Consent and Cognitive Dysfunction After Noncardiac Surgery in the Elderly. AB - Cognitive dysfunction 3 months after noncardiac surgery in the elderly satisfies informed consent thresholds of foreseeability in 10%-15% of patients, and materiality with new deficits observed in memory and executive function in patients with normal test performance beforehand. At present, the only safety step to avoid cognitive dysfunction after surgery is to forego surgery, thereby precluding the benefits of surgery with removal of pain and inflammation, and resumption of normal nutrition, physical activity, and sleep. To assure that consent for surgery is properly informed, risks of both cognitive dysfunction and alternative management strategies must be discussed with patients by the surgery team before a procedure is scheduled. PMID- 29200065 TI - Cardiac Arrest in the Operating Room: Part 2-Special Situations in the Perioperative Period. AB - As noted in part 1 of this series, periprocedural cardiac arrest (PPCA) can differ greatly in etiology and treatment from what is described by the American Heart Association advanced cardiac life support algorithms, which were largely developed for use in out-of-hospital cardiac arrest and in-hospital cardiac arrest outside of the perioperative space. Specifically, there are several life threatening causes of PPCA of which the management should be within the skill set of all anesthesiologists. However, previous research has demonstrated that continued review and training in the management of these scenarios is greatly needed and is also associated with improved delivery of care and outcomes during PPCA. There is a growing body of literature describing the incidence, causes, treatment, and outcomes of common causes of PPCA (eg, malignant hyperthermia, massive trauma, and local anesthetic systemic toxicity) and the need for a better awareness of these topics within the anesthesiology community at large. As noted in part 1 of this series, these events are always witnessed by a member of the perioperative team, frequently anticipated, and involve rescuer-providers with knowledge of the patient and the procedure they are undergoing or have had. Formulation of an appropriate differential diagnosis and rapid application of targeted interventions are critical for good patient outcome. Resuscitation algorithms that include the evaluation and management of common causes leading to cardiac in the perioperative setting are presented. Practicing anesthesiologists need a working knowledge of these algorithms to maximize good outcomes. PMID- 29200066 TI - Reduced Left Ventricular Global Longitudinal Strain Predicts Prolonged Hospitalization: A Cohort Analysis of Patients Having Aortic Valve Replacement Surgery. AB - BACKGROUND: Left ventricular ejection fraction (LVEF) is often preserved in patients with aortic stenosis and thus cannot distinguish between normal myocardial contractile function and subclinical dysfunction. Global longitudinal strain and strain rate (SR), which measure myocardial deformation, are robust indicators of myocardial function and can detect subtle myocardial dysfunction that is not apparent with conventional echocardiographic measures. Strain and SR may better predict postoperative outcomes than LVEF. The primary aim of our investigation was to assess the association between global longitudinal strain and serious postoperative outcomes in patients with aortic stenosis having aortic valve replacement. Secondarily, we also assessed the associations between global longitudinal SR and LVEF and the outcomes. METHODS: In this post hoc analysis of data from a randomized clinical trial (NCT01187329), we examined the association between measures of myocardial function and the following outcomes: (1) need for postoperative inotropic/vasopressor support; (2) prolonged hospitalization (>7 days); and (3) postoperative atrial fibrillation. Standardized transesophageal echocardiographic examinations were performed after anesthetic induction. Myocardial deformation was measured using speckle-tracking echocardiography. Multivariable logistic regression was used to assess associations between measures of myocardial function and outcomes, adjusted for potential confounding factors. The predictive ability of global longitudinal strain, SR, and LVEF was assessed as area under receiver operating characteristics curves (AUCs). RESULTS: Of 100 patients enrolled in the clinical trial, 86 patients with aortic stenosis had acceptable images for global longitudinal strain analysis. Primarily, worse intraoperative global longitudinal strain was associated with prolonged hospitalization (odds ratio [98.3% confidence interval], 1.22 [1.01-1.47] per 1% decrease [absolute value] in strain; P = .012), but not with other outcomes. Secondarily, worse global longitudinal SR was associated with prolonged hospitalization (odds ratio [99.7% confidence interval], 1.68 [1.01-2.79] per 0.1 second decrease [absolute value] in SR; P = .003), but not other outcomes. LVEF was not associated with any outcomes. Global longitudinal SR was the best predictor for prolonged hospitalization (AUC, 0.72), followed by global longitudinal strain (AUC, 0.67) and LVEF (AUC, 0.62). CONCLUSIONS: Global longitudinal strain and SR are useful predictors of prolonged hospitalization in patients with aortic stenosis having an aortic valve replacement. PMID- 29200067 TI - Randomized Clinical Trial of Preoperative High-Dose Methylprednisolone on Postoperative Pain at Rest After Laparoscopic Appendectomy. AB - BACKGROUND: Methylprednisolone administered intravenously preoperatively has been shown to reduce pain, nausea, and fatigue after elective surgery. We aimed to show that 125 mg of methylprednisolone given intravenously 30 minutes before laparoscopic surgery for suspected appendicitis would reduce pain at rest during the first 3 postoperative days. METHODS: A multicenter, parallel-group, double blind, placebo-controlled study was conducted including patients 18 years of age and older with an American Society of Anesthesiologist class of I-III undergoing laparoscopic surgery for suspected appendicitis. The primary outcome was pain at rest measured on the 11-point numerical rating scale 5 times during the first 3 days after surgery. The effect of 125 mg of methylprednisolone on postoperative pain at rest during the first 3 days was assessed using a mixed-effects model with time and intervention as main effects. RESULTS: From April 2016 to August 2016, 78 patients were included, and all were eligible for analysis of the primary outcome. The estimated effect of 125 mg of methylprednisolone on pain at rest during the first 3 days after surgery was a nonsignificant increase of 0.2 (95% confidence interval, -0.5 to 0.9; P = .571) on the 11-point numerical rating scale. There was no difference between the 2 groups regarding the need for opioid agonists during hospital stay on the first postoperative day (P = .381). CONCLUSIONS: A 125-mg dose of methylprednisolone given intravenously 30 minutes before laparoscopic surgery for appendicitis seemed no better than placebo at providing a clinical meaningful reduction in postoperative pain at rest. PMID- 29200068 TI - Distracted Doctoring: Returning to Patient-Centered Care in the Digital Age. Do We Have Time for This? PMID- 29200069 TI - Visualization Improves Supraclavicular Access to the Subclavian Vein in a Mixed Reality Simulator. AB - BACKGROUND: We investigated whether visual augmentation (3D, real-time, color visualization) of a procedural simulator improved performance during training in the supraclavicular approach to the subclavian vein, not as widely known or used as its infraclavicular counterpart. METHODS: To train anesthesiology residents to access a central vein, a mixed reality simulator with emulated ultrasound imaging was created using an anatomically authentic, 3D-printed, physical mannequin based on a computed tomographic scan of an actual human. The simulator has a corresponding 3D virtual model of the neck and upper chest anatomy. Hand-held instruments such as a needle, an ultrasound probe, and a virtual camera controller are directly manipulated by the trainee and tracked and recorded with submillimeter resolution via miniature, 6 degrees of freedom magnetic sensors. After Institutional Review Board approval, 69 anesthesiology residents and faculty were enrolled and received scripted instructions on how to perform subclavian venous access using the supraclavicular approach based on anatomic landmarks. The volunteers were randomized into 2 cohorts. The first used real time 3D visualization concurrently with trial 1, but not during trial 2. The second did not use real-time 3D visualization concurrently with trial 1 or 2. However, after trial 2, they observed a 3D visualization playback of trial 2 before performing trial 3 without visualization. An automated scoring system based on time, success, and errors/complications generated objective performance scores. Nonparametric statistical methods were used to compare the scores between subsequent trials, differences between groups (real-time visualization versus no visualization versus delayed visualization), and improvement in scores between trials within groups. RESULTS: Although the real-time visualization group demonstrated significantly better performance than the delayed visualization group on trial 1 (P = .01), there was no difference in gain scores, between performance on the first trial and performance on the final trial, that were dependent on group (P = .13). In the delayed visualization group, the difference in performance between trial 1 and trial 2 was not significant (P = .09); reviewing performance on trial 2 before trial 3 resulted in improved performance when compared to trial 1 (P < .0001). There was no significant difference in median scores (P = .13) between the real-time visualization and delayed visualization groups for the last trial after both groups had received visualization. Participants reported a significant improvement in confidence in performing supraclavicular access to the subclavian vein. Standard deviations of scores, a measure of performance variability, decreased in the delayed visualization group after viewing the visualization. CONCLUSIONS: Real-time visual augmentation (3D visualization) in the mixed reality simulator improved performance during supraclavicular access to the subclavian vein. No difference was seen in the final trial of the group that received real-time visualization compared to the group that had delayed visualization playback of their prior attempt. Training with the mixed reality simulator improved participant confidence in performing an unfamiliar technique. PMID- 29200070 TI - Perioperative Management of the Patient With a Left Ventricular Assist Device for Noncardiac Surgery. AB - The pandemic of heart failure and the limited options for treatment of end-stage disease have resulted in an increase in the utilization of left ventricular assist devices (LVADs). Improvements in device technology and patient survival have led to an expanding population of patients requiring noncardiac surgery while on LVAD therapy, thus leading to a growing need for familiarity with the physiology of these patients. This review describes the functional mechanics of the most prevalent continuous-flow LVAD, the HeartMate II, and focuses on perioperative anesthetic concerns. PMID- 29200071 TI - Evidence Basis for Regional Anesthesia in Ambulatory Anterior Cruciate Ligament Reconstruction: Part III: Local Instillation Analgesia-A Systematic Review and Meta-Analysis. AB - BACKGROUND: Local infiltration analgesia offers effective postoperative analgesia after knee arthroplasty, but the role of its counterpart, local instillation analgesia (LIA), in anterior cruciate ligament reconstruction (ACLR) is unclear. This systematic review and meta-analysis evaluates the analgesic benefits of LIA for outpatient ACLR. METHODS: We sought randomized controlled trials investigating the analgesic effects of LIA versus control in adults having outpatient ACLR and receiving multimodal analgesia (excluding nerve blocks, which are examined in parts I and II of this project). Cumulative postoperative analgesic consumption at 24 hours was designated as a primary outcome. Analgesic consumption during postanesthesia care unit stay, proportion of patients requiring analgesic supplementation, time-to-first analgesic request, rest pain scores during the first 48 hours, hospital length of stay, and incidence of opioid-related side effects were analyzed as secondary outcomes and pooled using random effects modeling. RESULTS: Eleven randomized controlled trials (515 patients) were included. Analgesic consumption was selected as the primary outcome in 4 trials (36%). Compared to control, LIA reduced the 24-hour morphine consumption by a weighted mean difference (95% confidence interval) of -18.0 mg ( 33.4 to -2.6) (P = .02). LIA reduced postanesthesia care unit morphine consumption by -55.9 mg (-88.4 to -23.4) (P < .05) and decreased the odds (odds ratio [95% confidence interval]) of analgesic supplementation during the first 24 hours by 0.4 (0.2-0.8) (P = .004). LIA also improved pain scores during the 0-24 hour interval, most notably at 4 hours (-1.6 [-2.2 to -1.0) (P < .00001). CONCLUSIONS: Administering LIA for outpatient ACLR improves postoperative analgesia by decreasing opioid consumption and improving pain control up to 24 hours, with minimal complications. These findings encourage integrating LIA into the care standard for ACLR. Questions regarding the ideal LIA components, location, and role in the setting of hamstring grafts require further research. PMID- 29200072 TI - Tailored Holder for Continuous Echocardiographic Monitoring. AB - Hemodynamic monitoring is essential for prompt and effective interventions in intensive care unit patients. We developed a custom-made transthoracic echocardiography transducer holder consisting of transducer holder and skin patch attachment. This holder allowed continuous transthoracic echocardiography monitoring in 5 adult patients with circulatory failure due to shock, and 6 pediatric patients after successful percutaneous closure of a ventricular septal defect. One case of an unexpected hemopericardium was promptly diagnosed and pericardiocentesis was performed, and 1 patient required extracorporeal membrane oxygenation support. PMID- 29200073 TI - Decreased Parasympathetic Activity of Heart Rate Variability During Anticipation of Night Duty in Anesthesiology Residents. AB - BACKGROUND: In residency programs, it is well known that autonomic regulation is influenced by night duty due to workload stress and sleep deprivation. A less investigated question is the impact on the autonomic nervous system of residents before or when anticipating a night duty shift. In this study, heart rate variability (HRV) was evaluated as a measure of autonomic nervous system regulation. METHODS: Eight residents in the Department of Anesthesiology were recruited, and 5 minutes of electrocardiography were recorded under 3 different conditions: (1) the morning of a regular work day (baseline); (2) the morning before a night duty shift (anticipating the night duty); and (3) the morning after a night duty shift. HRV parameters in the time and frequency domains were calculated. Repeated measures analysis of variance was performed to compare the HRV parameters among the 3 conditions. RESULTS: There was a significant decrease of parasympathetic-related HRV measurements (high-frequency power and root mean square of the standard deviation of R-R intervals) in the morning before night duty compared with the regular work day. The mean difference of high-frequency power between the 2 groups was 80.2 ms (95% confidence interval, 14.5-146) and that of root mean square of the standard deviation of R-R intervals was 26 milliseconds (95% confidence interval, 7.2-44.8), with P = .016 and .007, respectively. These results suggest that the decrease of parasympathetic activity is associated with stress related to the condition of anticipating the night duty work. On the other hand, the HRV parameters in the morning after duty were not different from the regular workday. CONCLUSIONS: The stress of anticipating the night duty work may affect regulation of the autonomic nervous system, mainly manifested as a decrease in parasympathetic activity. The effect of this change on the health of medical personnel deserves our concern. PMID- 29200074 TI - Survival of Staphylococcus epidermidis in Propofol and Intralipid in the Dead Space of Intravenous Injection Ports. AB - We tested whether propofol or Intralipid inoculated with Staphylococcus epidermidis would promote bacterial growth within an intravenous (IV) injection hub, a site prone to bacterial contamination. In tubes incubated under optimal conditions, S epidermidis exhibited growth in Intralipid, but not in propofol. In contrast, within the IV hub incubated with either propofol or intralipid at room temperature, S epidermidis bacterial numbers declined with time, and virtually no contamination remained after 12 hours. These data suggest that certain IV lines are inhospitable for S epidermidis. PMID- 29200075 TI - A World of Need. PMID- 29200076 TI - Some Cautionary Tales About Ideal Body Weight Dosing of Anesthetic Medications: It Is Not All That Ideal! PMID- 29200078 TI - Sugammadex and Oral Contraceptives: Is It Time for a Revision of the Anesthesia Informed Consent? PMID- 29200077 TI - Consensus Statement on Perioperative Use of Neuromuscular Monitoring. AB - A panel of clinician scientists with expertise in neuromuscular blockade (NMB) monitoring was convened with a charge to prepare a consensus statement on indications for and proper use of such monitors. The aims of this article are to: (a) provide the rationale and scientific basis for the use of quantitative NMB monitoring; (b) offer a set of recommendations for quantitative NMB monitoring standards; (c) specify educational goals; and (d) propose training recommendations to ensure proper neuromuscular monitoring and management. The panel believes that whenever a neuromuscular blocker is administered, neuromuscular function must be monitored by observing the evoked muscular response to peripheral nerve stimulation. Ideally, this should be done at the hand muscles (not the facial muscles) with a quantitative (objective) monitor. Objective monitoring (documentation of train-of-four ratio >=0.90) is the only method of assuring that satisfactory recovery of neuromuscular function has taken place. The panel also recommends that subjective evaluation of the responses to train-of-four stimulation (when using a peripheral nerve stimulator) or clinical tests of recovery from NMB (such as the 5-second head lift) should be abandoned in favor of objective monitoring. During an interim period for establishing these recommendations, if only a peripheral nerve stimulator is available, its use should be mandatory in any patient receiving a neuromuscular blocking drug. The panel acknowledges that publishing this statement per se will not result in its spontaneous acceptance, adherence to its recommendations, or change in routine practice. Implementation of objective monitoring will likely require professional societies and anesthesia department leadership to champion its use to change anesthesia practitioner behavior. PMID- 29200080 TI - Assessing effect of perioperative glycemic control on adverse outcomes after emergency general surgery. PMID- 29200079 TI - External validation of a smartphone app model to predict the need for massive transfusion using five different definitions. AB - BACKGROUND: Previously, a model to predict massive transfusion protocol (MTP) (activation) was derived using a single-institution data set. The PRospective, Observational, Multicenter, Major Trauma Transfusion database was used to externally validate this model's ability to predict both MTP activation and massive transfusion (MT) administration using multiple MT definitions. METHODS: The app model was used to calculate the predicted probability of MTP activation or MT delivery. The five definitions of MT used were: (1) 10 units packed red blood cells (PRBCs) in 24 hours, (2) Resuscitation Intensity score >= 4, (3) critical administration threshold, (4) 4 units PRBCs in 4 hours; and (5) 6 units PRBCs in 6 hours. Receiver operating curves were plotted to compare the predicted probability of MT with observed outcomes. RESULTS: Of 1,245 patients in the data set, 297 (24%) met definition 1, 570 (47%) met definition 2, 364 (33%) met definition 3, 599 met definition 4 (49.1%), and 395 met definition 5 (32.4%). Regardless of the outcome (MTP activation or MT administration), the predictive ability of the app model was consistent: when predicting activation of the MTP, the area under the curve for the model was 0.694 and when predicting MT administration, the area under the curve ranged from 0.695 to 0.711. CONCLUSION: Regardless of the definition of MT used, the app model demonstrates moderate ability to predict the need for MT in an external, homogenous population. Importantly, the app allows the model to be iteratively recalibrated ("machine learning") and thus could improve its predictive capability as additional data are accrued. LEVEL OF EVIDENCE: Diagnostic test study/Prognostic study, level III. PMID- 29200081 TI - PD-1 Inhibitor-associated Myopathies: Emerging Immune-mediated Myopathies. AB - Programmed death-1 (PD-1) inhibitors are increasingly used in cancer immunotherapy. Various immune-related adverse events are reported, including infrequent individual case reports of myositis or rhabdomyolysis. The frequency and diagnostic spectrum of immune-related adverse events affecting skeletal muscle in PD-1 inhibitor-treated patients are unknown. We searched the Mayo Clinic Pharmacy database (2014-2016) to identify patients who developed myopathies during or after PD-1 inhibitor therapy. Among 654 cancer patients received PD-1 inhibitors (pembrolizumab=389; nivolumab=264; both=1), we identified 5 patients (pembrolizumab=5) with biopsy-proven myopathies (2 necrotizing myopathy, 1 early dermatomyositis, and 2 nonspecific myopathy). Four patients developed concomitant autoimmune disorders. Weakness occurred after a median of 2 treatments (range, 1-4). All patients had proximal or axial weakness. Four patients had either bulbar or extraocular weakness, but only 1 patient had acetylcholine receptor antibodies. Creatine kinase levels were elevated in 3 patients (necrotizing myopathy=2; nonspecific myopathy=1). Brain magnetic resonance imaging revealed abnormal T2 signal and enhancement of extraocular muscles in 1 patient with ophthalmoparesis. Pembrolizumab was discontinued in all patients. All patients received immunosuppressive therapy, with fatal outcome in 2 necrotizing myopathy patients and favorable outcome in others. We conclude that myopathy is a rare, but unique complication of PD-1 inhibitors with frequent involvement of extraocular or bulbar muscles, mimicking myasthenia gravis. Muscle biopsy is an important test for PD-1 inhibitor-treated patients who develop oculobulbar weakness and hyperCKemia, to distinguish patients with necrotizing myopathy from myasthenia gravis. Necrotizing myopathy patients may require more aggressive immunotherapy due to their grave prognosis. PMID- 29200082 TI - Pneumonitis in Irradiated Lungs After Nivolumab: A Brief Communication and Review of the Literature. AB - Nivolumab is a feasible therapy option in patients with advanced non-small cell lung cancer (NSCLC) who progress on first-line treatment. However, there is limited information about an overlapping toxicity of PD-1 inhibitors when administered following thoracic radiotherapy (TRT). Three of 25 patients with advanced NSCLC were treated with palliative or curative intent. Nivolumab was initiated as second or third-line therapy after TRT for recurrent or progressive disease. All 3 patients developed grade 3 pneumonitis at some point during nivolumab therapy. Herein, we describe 3 cases of pneumonitis in patients with NSCLC started on nivolumab following TRT. Imaging analysis was strongly consistent with heterogenous lung parenchyma changes in the irradiated lung volume receiving a total dose of 15-20 Gy. Pulmonary toxicity was manageable; however, interruption of immunotherapy was necessary. PMID- 29200083 TI - Clinical Outcomes and Intraocular Pressure Control After Scleral-glued Intraocular Lens Insertion in Eyes With Pseudoexfoliation. AB - PURPOSE: To analyze clinical outcomes and intraocular pressure control following scleral-glued intraocular lens (IOL) fixation in eyes with pseudoexfoliation (PXF). METHODS: A retrospective chart review and outcome analysis was performed on a series of eyes undergoing glue-assisted, scleral-fixated (scleral-glued) IOL insertion in the setting of PXF and poor or absent capsular support. RESULTS: In total, 28 eyes were included in the study. The indications for scleral-glued IOL fixation included late endocapsular IOL dislocation (21/28, 75%), exchange for iris-fixated IOL due to complication (4/28, 14%), subluxed crystalline lens (2/28, 7%), and aphakia after complicated cataract surgery (1/28, 4%). In total, 15/28 (54%) eyes had diagnosed preexisting glaucoma at the time of scleral-glued surgery. The most common postoperative complication was ocular hypertension requiring escalation of medical management, which occurred in 8/28 (29%) eyes. At final follow-up, corrected distance visual acuity was equivalent to or improved from preoperative measurements in 25/28 (89%) eyes. CONCLUSIONS: The scleral glued surgery is a good option for fixating an IOL in eyes with PXF and poor zonular integrity or absent capsular support. Special attention should be placed on intraocular pressure control following surgery, which can be less predictable in PXF eyes with or without preexisting glaucoma. PMID- 29200084 TI - Gait Speed Characteristics and Its Spatiotemporal Determinants in Nursing Home Residents: A Cross-Sectional Study. AB - BACKGROUND AND PURPOSE: Low and slowing gait speeds among nursing home residents are linked to a higher risk of disability, cognitive impairment, falls, and mortality. A better understanding of the spatiotemporal parameters of gait that influence declining mobility could lead to effective rehabilitation and preventative intervention. The aims of this study were to objectively quantify the spatiotemporal characteristics of gait in the nursing home setting and define the relationship between these parameters and gait speed. METHODS: One hundred nursing home residents were enrolled into the study and completed 3 habitual gait speed trials over a distance of 3.66 m. Trials were performed using an instrumented gait analysis. The manner in which the spatiotemporal parameters predicted gait speed was examined by univariate and multivariable regression modeling. RESULTS: The nursing home residents had a habitual mean (SD) gait speed of 0.63 (0.19) m/s, a stride length of 0.83 (0.15) m, a support base of 0.15 (0.06) m, and step time of 0.66 (0.12) seconds. Multivariable linear regression revealed stride length, support base, and step time predicted gait speed (R = 0.89, P < .05). Step time had the greatest influence on gait speed, with each 0.1 second decrease in step time resulting in a 0.09 m/s (95% confidence interval, 0.08-0.10) increase in habitual gait speed. CONCLUSIONS: This study revealed step time, stride length, and support base are the strongest predictors of gait speed among nursing home residents. Future research should concentrate on developing and evaluating intervention programs that were specifically designed to focus on the strong predictors of gait speed in nursing home residents. We would also suggest that routine assessments of gait speed, and if possible their spatiotemporal characteristics, be done on all nursing home residents in an attempt to identify residents with low or slowing gait speed. PMID- 29200085 TI - Physical and Cognitive Functions, Physical Activity, and Sedentary Behavior in Older Adults With Multiple Sclerosis. AB - BACKGROUND AND PURPOSE: Older adults with multiple sclerosis (MS) experience age related declines in physical and cognitive functions that may be compounded by the disease and its progression and worsened by physical inactivity and sedentary behavior. However, the extent to which impairments in physical and cognitive functions are manifestations of MS and disease progression, reflective of the general aging process, or perhaps 2 detrimental processes exacerbating the synergistic effects of the other is relatively unknown. This study compared physical and cognitive functions, sedentary behavior, and physical activity between 40 older adults with MS (ie, 60 years of age and older) and 40 age- and sex-matched healthy older adults. We further examined whether physical activity and/or sedentary behavior explained differences between groups in physical and cognitive functions. METHODS: Participants initially underwent the cognitive assessments, followed by the physical function assessments. The order of tests was standardized and participants were provided seated-rest between the administrations of the physical function assessments. Participants were then instructed to wear an accelerometer and document wear time in a log book for a 7 day period after the testing session. RESULTS: Multivariate analyses of variance indicated that older adults with MS (n = 40) performed worse on all measures of physical function, and 1 measure of cognitive function (ie, information processing speed), compared with healthy controls (n = 40). Older adults with MS engaged in less moderate-to-vigorous physical activity, more sedentary behavior, and longer duration of long sedentary bouts than healthy controls. Pearson correlations demonstrated that levels and patterns of physical activity were significantly associated with a majority of physical function variables but not cognitive function variables in both older adults with MS and healthy controls but to a greater extent in older adults with MS. Partial Pearson correlations further demonstrated that levels and patterns of sedentary behavior were significantly associated with a majority of physical function variables but not cognitive function variables primarily in older adults with MS. Linear regression analyses indicated that levels and patterns of physical activity and sedentary behavior partially accounted for differences in physical and cognitive function variables between older adults with MS and healthy controls. CONCLUSION: There is evidence of reduced function in older adults with MS, and this might be partially managed by behavioral interventions that target physical activity and sedentary behavior for the promotion of healthy aging in older adults with MS. PMID- 29200086 TI - Benefits of Electromagnetic Navigational Bronchoscopy for Identifying Pulmonary Nodules for Robotic Resections. AB - OBJECTIVE: The ability to localize pulmonary nodules via the robotic thoracic technique can be challenging at times. This is most evident when nodules are small and/or ground glass in nature. Information regarding methods available to localize these difficult nodules, while maintaining a minimally invasive robotic approach, is limited. METHODS: We describe a diagnostic and therapeutic method of combining electromagnetic navigational bronchoscopy with a total minimally invasive robotic approach that identifies these difficult-to-localize pulmonary nodules. The technique entails the use of electromagnetic navigational bronchoscopy to place a pleural dye marker with a subsequent pulmonary resection via a robotic thoracic approach. RESULTS: A cohort of 15 patients from August 2014 to December 2015 was reviewed. These patients underwent the combined approach of electromagnetic navigational bronchoscopy followed by a robotic pulmonary resection. Fourteen of the 15 patients had a successful combined procedure, which was confirmed with pathology. The range of the nodules was 0.8 to 2 cm. Methylene blue was used for pleural dye marking. On one occasion, the pleural dye was not able to be deciphered. There were no complications from either the electromagnetic navigational bronchoscopy or robotic portions of the procedure. CONCLUSIONS: Pleural dye marking via electromagnetic navigational bronchoscopy can provide an effective method for localizing pulmonary nodules, while maintaining a minimally invasive robotic approach. This tactic allows one to obtain diagnostic tissue more efficiently, while limiting the potential inability to localize a nodule. PMID- 29200087 TI - Rapid Explantation of Rapid-Deployment Sutureless Valve in Case of Acute Endocarditis: How to Remove Safely Sutureless Perceval S Prostheses. AB - We report a case of infective endocarditis on a Perceval S aortic valve bioprosthesis, and we describe a feasible and useful technique that can help remove the infected valve. These maneuvers consist of an "x-movement" reached with the aid of anatomical forceps. The risk of infective endocarditis in patients with prosthetic valves is a well-known phenomena in cardiac surgery, and it can represent a life-threatening event in many cases. According to guidelines, an emergency surgical intervention is required in case of high risk of embolization, vegetation superior than 1 cm or acute cardiac failure secondary to the acute valve dysfunction. In the reported case, the patient was submitted to emergency surgery because of vegetation with diameter superior to 1 cm on the aortic bioprosthesis. The described "x-movement" technique allowed an easily "en block" excision of the damaged bioprostheses together with vegetation, minimizing the risk of vegetation fragmentation. PMID- 29200088 TI - Totally Thoracoscopic Pulmonary Vein Isolation: A Simplified Technique. AB - Since the introduction of thoracoscopic ablation for atrial fibrillation (AF), the field of minimally invasive AF treatment has evolved toward an established treatment option for AF, with an overall 2-year antiarrhythmic drug free success rate of 77%. Complications are usually minor, and the incidence of bleeding needing conversion to sternotomy or (mini-)thoracotomy varies between 0% and 1.6%. Bleeding is often related to encircling the pulmonary veins, which is a blind maneuver that has to be done without direct camera vision. We propose here a modified surgical technique to simplify the procedure, shorten the operating time, and lower the risk of complications. PMID- 29200089 TI - Designing a New Model for Clinical Education: An Innovative Approach. AB - To keep pace with the ever-changing health care delivery system, it is important to transform the way future nurses are educated, both in classroom and in clinical settings, to care for people along the life and care continuum, not only in acute-care settings. The purpose of this article is to describe a new approach to educating baccalaureate nursing students using immersion practicums that expose students to population health, transitions of care, care coordination, and the multiple roles a nurse engages in along the continuum. The curriculum includes 5 immersions, each with a specific life and care continuum focus to develop anticipatory thinkers. PMID- 29200090 TI - Impact of Peer-Assisted Learning With Standardized Patients in a Prelicensure Nursing Course. PMID- 29200091 TI - Using the Levels of Sickness Teaching Strategy to Engage Students in Recognizing Clinical Deterioration. PMID- 29200092 TI - Practical Considerations in Use of Trigger Tool Methodology in the Emergency Department. PMID- 29200093 TI - Ace Gene Plays A Key Role In Reducing Blood Pressure In Hypertensive Elderlies After Resistance Training Resistance Exercise And Ace Polymorphism. AB - Hypertension is a difficult disease to control and exercise training plays a key role in hypertension control. Some individuals are not responsive to exercise training, so we highlight the polymorphism of angiotensin I converting enzyme, as a factor responsible for this lack of responsiveness. The aim of this study was to evaluate the influence of ACE (I/D) genotypes on effects of resistance training on blood pressure and chronic inflammation. Eighty-six hypertensive volunteers, aged between 60 and 80, were evaluated. They performed 16 weeks of resistance training at 50% of 1 maximal repetition. The greatest benefits were seen on homozygous of the Insertion allele, whom presented reduction of systolic blood pressure (SBP: 129.31+/-13.34 vs. 122.56+/-9.68 mmHg, p<0.001) and diastolic blood pressure (DBP: 79.18+/-8.05 vs. 70.12+/-7.71 mmHg, p<0.01) during daytime period, and in 24h period (SBP: 127.12+/-13.65 vs. 121.06+/-9.68 mmHg, p<0.001 and DBP: 71.87+/-8.39 vs. 68.75+/-8.72 mmHg, p<0.05) and also increased circulating adiponectin levels (4.04+/-1.79 vs. 6.00+/-2.81 ng/mL, p<0.01). Other genotypes showed no changes in blood pressure and biochemical parameters. Our results suggest a cardio protective factor of I allele, since only those homozygous showed reductions in blood pressure and increases in adiponectin. PMID- 29200094 TI - Characteristics of a National Level Female Weightlifter Peaking for Competition: A Case Study. AB - This study investigated physiological and performance changes of a national level 69kg female weightlifter following three competition phases over a 28-week training period. The athlete first trained for a regional championship (weeks 1 12), followed by a local competition (weeks 13-23) and the national championship (weeks 24-28). Body mass, vastus lateralis cross-sectional area, and unloaded and loaded squat jump performance were assessed weekly during each 4-week competition phase. Serum biomarkers, and dynamic mid-thigh pulls were assessed prior to and after each competition phase. Weightlifting performance goals were met for the regional championship (total=200kg) and the local competition (total=193kg), but not the national championship (total=196kg). She lost more body mass in preparation for nationals (-6.0kg) compared to regionals (-2.5kg) and the local competition (+2.2kg). Vastus lateralis cross-sectional area very likely decreased following nationals (precision=99%, effect size=2.08). Her testosterone:cortisol ratio likely increased (88%, 2.64), while interleukin-6 (79%, 2.47), and tumor necrosis factor-alpha (81%, 3.59) likely decreased following nationals. Serum myostatin (99%, 1.95) and decorin (99%, 1.96) very likely decreased following the local competition. Unloaded squat jump height likely increased the week of regionals (89%, 0.95) and the local competition (99%, 1.83), whereas unloaded and loaded squat jump height possibly (69%, 0.99) and likely (82%, 1.52) decreased the week of nationals. Dynamic mid-thigh pull vertical displacement likely increased following regionals (93%, 0.84), and likely decreased following nationals (94%, 0.87). These findings indicate that biomarkers of stress, inflammation, and hypertrophy are related to changes in training volume-load; however, performance measures are needed to assess competition preparedness. Considering the reductions in muscle cross-sectional area corresponding with the large reductions in body mass and underperformance at the national championship, sport scientists and coaches should instruct weightlifters to not attempt large losses in body mass (e.g. >3 kg) close to competition (e.g. <1 week). PMID- 29200095 TI - Widespread spontaneous hyperproliferation, melanosis and melanoma in Hgf-Cdk4R24C mice. PMID- 29200096 TI - TGF-beta1 protection against Abeta1-42-induced hippocampal neuronal inflammation and apoptosis by TbetaR-I. AB - Alzheimer's disease (AD), the most common chronic neurodegenerative disease, is pathologically characterized by the formation of neurofibrillary tangles because of hyperphosphorylation of tau protein and extracellular deposits of amyloid-beta (Abeta) protein termed senile plaques. Recent studies indicate that neuronal apoptosis caused by chronic neuroinflammation is one of the important pathogenesis of AD. Transforming growth factor (TGF)-beta1 is a pleiotropic cytokine with immunosuppressive and anti-inflammatory properties. However, it is poorly known whether the anti-inflammatory property of TGF-beta1 is involved in a neuroprotection in AD. Here, an AD cell model of hippocampal neurons induced by Abeta1-42 was used to show an anti-inflammatory and neuroprotective effect of TGF beta1 through its receptor transforming growth factor-beta receptor type I (TbetaR-I). As expected, Abeta1-42-induced an upregulation in neuronal expression of amyloid precursor protein (APP), tumor necrosis factor-alpha, cyclooxygenase 2, Bax, cleaved caspase-3, and cleaved caspase-9, and a downregulation in the expression of Bcl-2, as well as an increase in the number of NeuN/terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate-biotin nick end labeling (TUNEL) double-positive cells. TGF-beta1 pretreatment reduced the Abeta1 42-induced effects of upregulating APP, tumor necrosis factor-alpha, Bax, cleaved caspase-3 and cleaved caspase-9, and downregulating Bcl-2, in addition to increasing NeuNTUNEL cell number. TbetaR-I expression in hippocampal neurons was downregulated by Abeta1-42 exposure, but upregulated by TGF-beta1 pretreatment. Silencing of the TbetaR-I gene in the neurons abolished the anti-inflammatory and antiapoptotic effects of TGF-beta1 in the Abeta1-42-induced AD cell model. These findings suggest that TGF-beta1 protects neurons against Abeta1-42-induced neuronal inflammation and apoptosis by activation of TbetaR-I. PMID- 29200097 TI - External Evaluation of Population Pharmacokinetic Models of Infliximab in Patients With Inflammatory Bowel Disease. AB - BACKGROUND: Infliximab (IFX) trough levels vary markedly between patients with inflammatory bowel disease (IBD), which is important for clinical response. The aim of this study was to evaluate the performance of previously developed population pharmacokinetic models in patients with IBD for dose individualization for Crohn disease (CD) and ulcerative colitis in our clinical setting. METHODS: The authors collected 370 trough levels prospectively from 100 adult patients with IBD who were undergoing IFX treatment between July 2013 and August 2016. The external evaluation included prediction- and simulation-based diagnostics [prediction-corrected visual predictive check, prediction- and variability corrected visual predictive check, and normalized prediction distribution error tests]. RESULTS: In prediction-based diagnostics, the authors observed a nonsignificant overall mean relative bias of -6.87% and an acceptable imprecision of 8.45%. Approximately 100% of the prediction error was within +/-30%, indicating satisfactory predictability. Simulation-based diagnostics indicated model misspecification; thus, the model may not be appropriate for simulation based applications. CONCLUSIONS: While simulation-based diagnostics provided unsatisfactory results, the prediction-based diagnostics demonstrate that the population pharmacokinetic model developed by Fasanmade et al for CD can be used to predict and design individualized IFX dose regimens that meet the individual needs of patients with CD and ulcerative colitis. PMID- 29200098 TI - PREOPERATIVE FACTORS INFLUENCING VISUAL RECOVERY AFTER VITRECTOMY FOR MYOPIC FOVEOSCHISIS. AB - PURPOSE: To determine the preoperative factors influencing visual recovery after vitrectomy for myopic foveoschisis. METHODS: Sixty-six eyes of 65 consecutive patients operated on for myopic foveoschisis were retrospectively included. All eyes underwent a preoperative ocular examination including best-corrected visual acuity (BCVA) and spectral domain optical coherence tomography with central foveal thickness measurement and foveal status classification: simple foveoschisis, foveal detachment, or macular hole. To study the impact of preoperative visual acuity, 4 visual acuity groups separated by quartile ranges were defined. Postoperative visits at 1, 3, or 12 months including BCVA measurement and optical coherence tomography were recorded. RESULTS: Mean refraction was -15.90 diopters, mean axial length was 30.30 mm, mean central foveal thickness was 590 MUm, and mean baseline logarithm of the maximum angle of resolution visual acuity was 0.68 (Snellen equivalent of 20/96). The final BCVA improved significantly from 3 months after surgery until the last follow-up visit; the mean logarithm of the maximum angle of resolution visual acuity at last follow-up was 0.43 (Snellen equivalent of 20/54). Mean central foveal thickness decreased significantly as soon as the first postoperative month (P < 0.0001). The preoperative BCVA was the only independent factor significantly correlated with the final BCVA as opposed to the foveal status (P < 0.0001). The mean BCVA and mean visual gain at the last follow-up visit were significantly different between the four visual acuity groups (P < 0.0001 and P = 0.017, respectively). CONCLUSION: The main factor influencing the postoperative visual acuity is the preoperative visual acuity. Although the preoperative anatomical status seemed important in surgeon decision making, once normalized on visual acuity, it no longer influenced the postoperative visual acuity. PMID- 29200099 TI - ANALYSIS OF THE NORMAL PERIPHERAL RETINAL VASCULAR PATTERN AND ITS CORRELATION WITH MICROVASCULAR ABNORMALITIES USING ULTRA-WIDEFIELD FLUORESCEIN ANGIOGRAPHY. AB - PURPOSE: To describe the retinal peripheral vascular morphology and to elucidate its relationship to microvascular abnormalities in normal fundus using ultra widefield fluorescein angiography. METHODS: A total of 242 eyes from 167 consecutive patients were categorized into 3 groups: bilateral normal (n = 64), normal with contralateral eye affected with vascular disease (n = 82), and early diabetic eyes (n = 96). Peripheral vascular morphology was described and classified according to the shape. Microvascular abnormalities such as capillary telangiectasia, microaneurysm, or vascular leakage were documented, and the relationship between those abnormalities in each groups were analyzed. RESULTS: There were two distinctive peripheral vascular morphologies-loop and branching patterns. Microvascular abnormalities were more frequently found as loop patterns; this difference was most prominent when both eyes were normal. In case of normal eyes with contralateral eye affected with vascular disease or diabetic eyes, branching pattern microvascular abnormalities were relatively increased, whereas loop pattern still showed a large degree of microvascular abnormalities. CONCLUSION: In normal retinal periphery, we observed microvascular abnormalities and their relationship with vascular morphology, which could be influenced by the condition of the contralateral eye or systemic disease such as diabetes mellitus. PMID- 29200100 TI - Diagnostic and Therapeutic Challenges. PMID- 29200101 TI - Modeling Continuous Prognostic Factors in Survival Analysis: Implications for Tumor Staging and Assessing Chemotherapy Effect in Osteosarcoma. AB - Extent of response to neoadjuvant chemotherapy, tumor size, and patient age are important prognostic variables for patients with osteosarcoma, but applying information from these continuous variables in survival models is difficult. Dichotomization is usually inappropriate and alternative statistical techniques should be considered instead. Nonlinear multivariable regression methods (restricted cubic splines and fractional polynomials) were applied to data from the National Cancer Database to model continuous prognostic factors for overall survival from localized, high-grade osteosarcoma of the appendicular and nonspinal skeleton following neoadjuvant chemotherapy and surgical resection (N=2493). The assumption that log hazard ratios were linear in relation to these continuous prognostic factors was tested using likelihood ratio tests of model deviance and Wald tests of spline coefficients. Log hazard ratios for increasing patient age were linear over the range of 4 to 80 years, but showed evidence for variation in the coefficient over elapsed follow-up time. Tumor size also showed a linear relationship with log hazard over the range of 1 to 30 cm. Hazard ratios for chemotherapy effect profoundly deviated from log-linear (P<0.004), with significantly decreased hazard for death from baseline for patients with >=90% tumor necrosis (hazard ratio, 0.32; 95% confidence interval, 0.20-0.52; P<0.0001). Important implications of these results include: (1) >=90% tumor necrosis defines good chemotherapy response in a clinically useful manner; (2) staging osteosarcoma by dichotomizing tumor size is inappropriate; and (3) patient age can be modeled as a linear effect on the log hazard ratio in prognostic models with the caveat that risk may change over duration of the analysis. PMID- 29200102 TI - Adult Primary Immune Thrombocytopenia: Spleen Histology Findings and Outcomes According to Rituximab Use Based on Analysis of 41 Cases. AB - Immune thrombocytopenia (ITP) is an acquired antibody-mediated disease, for which splenectomy remains a curative treatment. We analyzed histology and phenotypes of ITP-splenectomy specimens from 41 adult patients, with different previous ITP specific treatments, including B-cell-depleting rituximab (RTX) or not, in an attempt to predict splenectomy success or failure on the basis of day 56 postoperative platelet counts. RTX-naive ITP-spleen samples, compared with those from a 20-patient control trauma cohort, contained the following nonspecific, ITP evocative, white-pulp lesions: follicular helper T-cell (programmed death-1 and inducible T-cell COStimulator) expansion in reactive follicles (P=0.01 and 0.03, respectively) and regulatory T-cell (FOXP3) expansion in the T-cell zone (P=0.049). On comparing ITP-splenectomy samples that would be successful with those that would be failures, only marginal zone hyperplasia differed (P=0.017). Indeed, 13/21 (61.9%) successful splenectomy samples exhibited marginal zone hyperplasia, as opposed to 1/9 (11.1%) failed splenectomy specimens. RTX impact on ITP-splenectomy samples was characterized by white-pulp (P=0.03) and marginal zone atrophies (P=0.01), and periarteriolar T-cell-zone hyperplasia (P<0.0001). The results of this novel comparative study of the histologic patterns of 41 ITP patients' evocative splenic lesions enabled clear description of different ITP morphologies and phenotypes, as a function of prior treatment and splenectomy success or failure. PMID- 29200103 TI - BCOR Internal Tandem Duplication in High-grade Uterine Sarcomas. AB - Endometrial stromal sarcomas (ESSs) are mesenchymal uterine tumors characterized by recurrent genetic events, most commonly chromosomal rearrangements, that create oncogenic gene fusions. High-grade endometrial stromal sarcomas (HG-ESSs), as defined in the 2014 World Health Organization Classification, typically contain oncogenic YWHAE-NUTM2 fusions; however, although not well characterized, there are tumors morphologically overlapping with HG-ESS that do not contain the YWHAE-NUTM2 fusions. These fusions are also found in certain pediatric primitive sarcomas, including clear cell sarcoma of the kidney and soft tissue undifferentiated round cell sarcoma of infancy. A subset of these same pediatric sarcomas lack YWHAE-NUTM2 fusions and instead have internal tandem duplications (ITDs) involving exon 15 of BCOR (BCOR ITD). We investigated the presence of BCOR ITD by targeted sequencing in a series of 31 uterine sarcomas, comprising 5 low grade ESS, 13 uterine sarcomas diagnosed as HG-ESS, and 13 undifferentiated uterine sarcomas. BCOR ITD were present in 1 uterine sarcoma diagnosed as HG-ESS and 2 undifferentiated sarcomas with uniform nuclear features, all of which lacked any of the recurrent chromosome translocations known to occur in ESS. These 3 high-grade sarcomas with BCOR ITD affected young patients (average age, 24) and morphologically were composed of nonpleomorphic spindle cells admixed with epithelioid and round cell areas. Focal myxoid stroma was present in 2 cases. Mitotic activity was brisk, necrosis was present, and there was lymphovascular involvement in all cases. The 3 uterine sarcomas with BCOR ITD exhibited diffuse cyclin D1 immunohistochemical expression and there was diffuse BCOR expression in the 2 cases tested. Long-term follow-up in 2 patients revealed 1 to be tumor-free after 22 years and the other to die of disease after 8 years. In conclusion, BCOR ITD is an oncogenic alternative to YWHAE-NUTM2 fusion in high grade uterine sarcomas with uniform nuclear features. We propose that neoplasms with the morphology described and BCOR ITD be regarded as a unique subtype of high-grade uterine sarcoma, possibly within the family of endometrial stromal neoplasia. PMID- 29200108 TI - Oncology Recapitulates Neurology. PMID- 29200109 TI - 2016 World Health Organization Classification of Central Nervous System Tumors. AB - PURPOSE OF REVIEW: Since 1979, the World Health Organization (WHO) has periodically published a consensus classification and grading of tumors of the central nervous system (CNS) to ensure uniform histopathologic diagnostic criteria worldwide. In 2016, the WHO published an update of the fourth edition of the classification of CNS tumors. This article summarizes the major changes in the update and discusses their impact on clinical practice. RECENT FINDINGS: For the first time, the 2016 revision of the WHO classification uses molecular parameters in addition to traditional histology to diagnose many CNS tumors, resulting in major restructuring of the classification of many tumors, especially gliomas, ependymomas, and medulloblastomas. Accordingly, nomenclature for selected entities now includes both a histopathologic diagnosis and defining molecular features. SUMMARY: The use of integrated phenotypic and genotypic parameters for the classification of CNS tumors introduces greater objectivity to the diagnosis but also requires more widespread availability of molecular testing. It is hoped that these changes will lead to greater diagnostic accuracy with more biologically homogeneous diagnostic entities and improved patient management and determination of prognosis. PMID- 29200110 TI - High-grade Gliomas. AB - PURPOSE OF REVIEW: This article reviews the standard treatment for high-grade gliomas, with a focus on promising new strategies and response assessment. RECENT FINDINGS: The new World Health Organization (WHO) classification of central nervous system tumors classifies high-grade gliomas based on molecular markers that are of prognostic and therapeutic significance. The addition of chemotherapy, specifically procarbazine, CCNU (lomustine), and vincristine, to radiation in newly diagnosed 1p/19q codeleted anaplastic oligodendrogliomas doubled overall survival. The US Food and Drug Administration (FDA) recently approved the addition of tumor treating fields to adjuvant temozolomide after radiation with concurrent temozolomide in newly diagnosed glioblastoma. A phase3 trial for recurrent glioblastoma did not show an overall survival benefit for the addition of bevacizumab to lomustine compared to lomustine alone. Current efforts are focused on the development of novel treatment approaches, including molecular targeted agents and immunotherapies. SUMMARY: Surgery, radiation, and chemotherapy remain the standard treatment options for patients with high-grade gliomas. Despite aggressive treatment, these tumors progress, and overall outcomes have not changed much in the past decade. However, our understanding of the disease is improving, and newer therapies appear promising. PMID- 29200111 TI - Low-grade Gliomas. AB - PURPOSE OF REVIEW: Low-grade gliomas present vexing management issues for neuro oncologists. The relatively long survival compared to other brain tumors makes consideration of treatment toxicity, and thus timing of potentially damaging interventions such as surgery, radiation, and chemotherapy, crucial. Moreover, the rarity of these tumors makes clinical trials to ascertain optimal care challenging. RECENT FINDINGS: The discovery that most low-grade gliomas harbor isocitrate dehydrogenase (IDH) mutations that confer a favorable prognosis has improved diagnosis and risk stratification of these tumors. Although Level 1 evidence is still lacking, increasing data support the concept of maximal safe tumor debulking as a first step in tumor management. Preliminary results from a large randomized trial suggest chemotherapy is of comparable effectiveness to radiation therapy for one molecular subtype of low-grade glioma. Importantly, however, the final results of a phase 3 trial comparing radiation with or without procarbazine, CCNU (lomustine), and vincristine (PCV) chemotherapy indicate a large survival advantage to combined chemotherapy and radiation, raising questions about using chemotherapy alone as an initial treatment strategy. SUMMARY: While the combination of radiation and PCV provides the best proven overall survival with low-grade gliomas, important questions remain. These include whether the better-tolerated temozolomide is as effective as PCV in conjunction with radiation therapy and whether the use of initial chemotherapy as a strategy to defer the potential delayed cognitive toxicity associated with radiation will yield acceptable survival results with a favorable toxicity profile. PMID- 29200112 TI - Epidemiology, Treatment, and Complications of Central Nervous System Metastases. AB - PURPOSE OF REVIEW: Neurologic problems resulting from systemic cancer metastases to brain parenchyma, dura, spinal cord, and leptomeninges are among the most common types of consultations addressed by neurologists. With patients surviving longer from systemic cancer, along with the rapidly evolving therapeutic options, the treatment of these devastating complications has become both more effective and more complicated. This article reviews current patterns of metastatic disease and the increasingly nuanced landscape of evolving therapies, their complications, and their impact on quality of survival. RECENT FINDINGS: Targeted therapies with tyrosine kinase inhibitors and immune checkpoint inhibitors and cytotoxic therapies directed at disease-specific chemosensitivity patterns have dramatically improved the prognosis of non-small cell lung cancer, melanoma, and breast cancer, but have led to some novel complications and altered recurrence patterns. Clinical trials suggest the superiority of hippocampal-avoidance radiation fields and the use of stereotactic radiosurgery over whole-brain radiation therapy to minimize long-term cognitive consequences of radiation therapy. Emerging data document tolerable safety when brain radiation is combined with immunotherapy. Chemotherapy can be a first-line treatment for some inoperable brain metastases, eliminating or deferring whole-brain radiation therapy. Stereotactic body radiation therapy is a new technique of radiation used for spinal and epidural metastases that spares spinal cord tissue while ablating tumors. SUMMARY: Metastases to the nervous system remain devastating, but their prognosis and therapies are more heterogeneous than previously appreciated. Neurologists now can offer more personalized prognostic information based on new stratification criteria, can predict drug complications relevant to the nervous system, and can provide critical partnership in the multidisciplinary effort to balance effective longer-term disease control with treatment-related adverse consequences. PMID- 29200113 TI - Primary Central Nervous System Lymphoma. AB - PURPOSE OF REVIEW: Primary central nervous system (CNS) lymphoma is a rare and aggressive extranodal non-Hodgkin lymphoma confined to the brain, eyes, spinal cord, or leptomeninges without systemic involvement. This article provides an overview of the clinical features, diagnosis, and management of primary CNS lymphoma in patients who are immunocompetent, focusing on recent advances in treatment. RECENT FINDINGS: Primary CNS lymphoma is sensitive to radiation therapy; however, whole-brain radiation therapy inadequately controls the disease when used alone and causes delayed neurotoxicity with significant neurocognitive impairment, especially in patients who are elderly. A number of clinical trials have demonstrated durable disease control and less neurotoxicity with methotrexate-based induction chemotherapy with or without autologous stem cell transplantation or reduced-dose whole-brain radiation therapy. SUMMARY: Prompt diagnosis and initiation of treatment are vital to improving clinical outcomes in patients with primary CNS lymphoma. The optimal treatment has yet to be defined, but high-dose methotrexate-based induction chemotherapy is considered standard for newly diagnosed primary CNS lymphoma. Ongoing randomized trials will attempt to address the roles of rituximab and consolidative treatment using autologous stem cell transplantation or reduced-dose whole-brain radiation therapy. Despite high tumor response rates to initial treatment, many patients will relapse. The choice of salvage treatment will depend on age, previous treatment and response, performance status, and comorbidities at the time of relapse. PMID- 29200114 TI - Neuroradiologic Pearls for Neuro-oncology. AB - PURPOSE OF REVIEW: This article reviews key principles in the identification of tumors of the central nervous system (CNS) using standard and advanced imaging modalities. This article highlights the pitfalls and pearls of the imaging evaluation of patients with cancer at time of diagnosis and during cancer therapy and discusses the challenges of the imaging evaluation of treatment-related toxicities. RECENT FINDINGS: Treatment of CNS tumors with surgery, chemotherapy, or radiation alters the imaging appearance of the tumor and can be associated with a variety of treatment-related toxicities. The clinician must be familiar with how to assess response to treatment and how to differentiate tumor progression from treatment-related effects. SUMMARY: Management and follow-up of neuro-oncology patients is optimized by a comprehensive radiologic approach to CNS tumors and recognition of the challenges in the assessment of response to treatments. PMID- 29200115 TI - Medical Complications of Brain Tumors. AB - PURPOSE OF REVIEW: This article discusses common and emergent medical complications encountered in patients with primary brain tumors. RECENT FINDINGS: Clinical studies and systematic reviews published in recent years have improved knowledge regarding the incidence of neurologic and medical complications occurring in patients with primary brain tumors. Studies in tumor-related epilepsy and venous thromboembolism provide data for the clinician to make evidence-based decisions about perioperative management, prophylaxis, and therapy. Patients with brain tumors experience unique toxicities related to novel drugs and chemotherapeutics that result in hematologic, infectious, and endocrine disorders. Recent work that has focused on quality of life in patients with brain tumors highlights the importance of good supportive care and optimal medical management of neurobehavioral symptoms and late complications of treatment. SUMMARY: A thorough understanding of the variety of medical and neurologic complications in patients with primary brain tumors improves the clinician's ability to quickly recognize and manage common and urgent conditions. PMID- 29200116 TI - Paraneoplastic Disorders. AB - PURPOSE OF REVIEW: Paraneoplastic neurologic syndromes target specific areas of the nervous system with pathogenic autoantibodies or T-cell responses. Each syndrome conveys a risk of particular tumors. Expanded paraneoplastic antibody testing has led to improved diagnosis but created challenges involving appropriate interpretation of test results. RECENT FINDINGS: Peripheral nervous system paraneoplastic disorders such as myasthenia gravis and Lambert-Eaton myasthenic syndrome involve pathogenic autoantibodies. Recently, the pathogenic mechanisms and antigens of these disorders have been further elucidated. Paraneoplastic syndromes associated with onconeuronal antibodies, such as anti Hu, have strong cancer associations and limited response to treatment. Autoimmunity to central nervous system membrane proteins, such as the N-methyl-D aspartate (NMDA) receptor or leucine-rich, glioma inactivated 1 (LGI1), defines an expanding group of disorders with better prognosis and more variable cancer associations. In these diseases, the autoantibodies are either proven to be or are potentially pathogenic. An animal model of anti-NMDA receptor encephalitis will allow novel treatments to be developed. Autoantibodies to intracellular synaptic antigens, such as glutamic acid decarboxylase 65 (GAD65), are associated with diverse disorders such as stiff person syndrome, and the pathophysiology of these diseases is unclear. SUMMARY: Paraneoplastic disorders have diverse clinical manifestations, including weakness, sensory neuronopathy, encephalitis, epilepsy, and psychosis. Proper use of antibody testing may assist with diagnosis. Treatment may require immunotherapy and tumor treatment. PMID- 29200117 TI - Common Histologically Benign Tumors of the Brain. AB - PURPOSE OF REVIEW: As a group, benign tumors account for the majority of primary neoplasms affecting the central nervous system (CNS). This article reviews the epidemiology, clinical presentation, neuroimaging features, and management of the most common of these tumors: meningiomas, schwannomas, and pituitary adenomas. RECENT FINDINGS: Awareness of the most common nonmalignant tumors of the CNS and their management guidelines is important as many of these tumors are managed conservatively, with neurologists playing a primary role in both surveillance and symptom management. Knowledge of the varied neurologic consequences of these tumors allows optimizing interventions that improve quality of life in people living with these tumors without incurring treatment-related complications. Awareness of the clinical features that require surgery, radiation therapy, or chemotherapy is imperative. Finally, important discoveries in both germline and somatic mutations underlying some of these lesions have contributed to the launch of several novel drug trials for these tumors. SUMMARY: As a group, nonmalignant neoplasms are the most common neoplasms affecting the CNS in adults. Because of their unique neuroanatomic location or containment within the bony skull, these histologically benign lesions can cause significant neurologic morbidity. Management with a multidisciplinary team that includes neurologists, neuro oncologists, radiologists, neurosurgeons, radiation oncologists, otolaryngologists, pathologists, neuropsychologists, physiatrists, and others is necessary for the optimal management of these lesions. PMID- 29200118 TI - Palliative Care, End-of-Life Care, and Advance Care Planning in Neuro-oncology. AB - PURPOSE OF REVIEW: Despite new therapeutic approaches, most patients with high grade glioma face limited overall survival and have a high symptom burden throughout their disease trajectory, especially in the end-of-life phase. This article provides an overview of the role of palliative care in neuro-oncology. Management recommendations are made for neurologic symptoms in patients with advanced brain tumors, including headaches, nausea, and fatigue. Special attention is given to how and when to involve subspecialty palliative care and hospice services to improve symptom management during active tumor treatment and in the end-of-life phase of patients with brain tumors. Advance care planning and end-of-life goals should be addressed early in the disease trajectory; this article provides a road map for these discussions. RECENT FINDINGS: The high symptom burden of patients with brain tumors affects their quality of life as well as their ability to make treatment decisions. It is therefore warranted to involve patients with high-grade glioma in treatment decision making early in the disease course, with a focus on end-of-life care and advance care planning. Research in other World Health Organization grade IV cancers has shown that the early involvement of specialty palliative care improves quality of life and caregiver satisfaction. Patients with brain tumors should be actively screened for fatigue, and underlying factors such as hormone deficiencies, low blood counts, and sleep issues should be addressed before focusing interventions for tumor- and treatment-related fatigue. SUMMARY: Palliative care can address typical symptoms, such as fatigue, nausea, and headaches that have the potential to severely disable patients with brain tumors. Advance care planning should be introduced proactively and early in the disease trajectory to ensure a dignified death and improved caregiver bereavement. PMID- 29200120 TI - APPENDIX A: An Oncologic Reference for Neurologists. PMID- 29200119 TI - Pediatric Brain Tumors. AB - PURPOSE OF REVIEW: This article describes the most common pediatric brain tumors and highlights recent developments in their diagnosis and treatment strategies. RECENT FINDINGS: We are in the midst of a molecular era for pediatric brain tumors. Genetic and epigenetic profiling of tumors has impacted their diagnosis, allowing for the subgrouping of heterogeneous tumor groups and leading to the complete renaming of some tumor types. These advances are reflected in the new 2016 World Health Organization classification. For example, primitive neuroectodermal tumors have been completely eliminated and replaced by subgroups defined by the absence or presence of specific chromosomal amplification. Medulloblastomas, diffuse astrocytomas, and ependymomas now have specific subtypes that are based on defining molecular features. More recent epigenetic based subgrouping of atypical teratoid/rhabdoid tumors have not yet made it into the official classification system, but will surely have an impact on how these tumors are regarded in future preclinical and clinical trials. SUMMARY: Genetic and epigenetic data are changing how pediatric brain tumors are diagnosed, are leading to new guidelines for how treatment outcome analyses can be organized, and are offering molecular targets that can be used for the development of novel therapies. PMID- 29200121 TI - APPENDIX B: Useful Websites for Oncology Patients and Providers. PMID- 29200125 TI - Patient Management Problem. PMID- 29200126 TI - Patient Management Problem-Preferred Responses. PMID- 29200128 TI - TRO40303 Ameliorates Alcohol-Induced Pancreatitis Through Reduction of Fatty Acid Ethyl Ester-Induced Mitochondrial Injury and Necrotic Cell Death. AB - OBJECTIVES: Mitochondrial permeability transition pore inhibition is a promising approach to treat acute pancreatitis (AP). We sought to determine (i) the effects of the mitochondrial permeability transition pore inhibitor 3,5-seco-4-nor cholestan-5-one oxime-3-ol (TRO40303) on murine and human pancreatic acinar cell (PAC) injury induced by fatty acid ethyl esters (FAEEs) or taurolithocholic acid 3-sulfate and (ii) TRO40303 pharmacokinetics and efficacy in experimental alcoholic AP (FAEE-AP). METHODS: Changes in mitochondrial membrane potential (Deltapsim), cytosolic Ca ([Ca]c), and cell fate were examined in freshly isolated murine or human PACs by confocal microscopy. TRO40303 pharmacokinetics were assessed in cerulein-induced AP and therapeutic efficacy in FAEE-AP induced with palmitoleic acid and ethanol. Severity of AP was assessed by standard biomarkers and blinded histopathology. RESULTS: TRO40303 prevented loss of Deltapsim and necrosis induced by 100 MUM palmitoleic acid ethyl ester or 500 MUM taurolithocholic acid-3-sulfate in murine and human PACs. Pharmacokinetic analysis found TRO40303 accumulated in the pancreas. A single dose of 3 mg/kg TRO40303 significantly reduced serum amylase (P = 0.043), pancreatic trypsin (P = 0.018), and histopathology scores (P = 0.0058) in FAEE-AP. CONCLUSIONS: TRO40303 protects mitochondria and prevents necrotic cell death pathway activation in murine and human PACs, ameliorates the severity of FAEE-AP, and is a candidate drug for human AP. PMID- 29200129 TI - The Effect of Pancreatic Juice Collection Time on the Detection of KRAS Mutations. AB - OBJECTIVE: Secretin-stimulated pancreatic juice is collected from the duodenum and analyzed to identify biomarkers of pancreatic neoplasia, but the optimal duration of pancreatic juice collection is not known. METHODS: We compared the yield of KRAS mutations detected in pancreatic juice samples aspirated from near the duodenal papilla at 1 to 5, 6 to 10, and 11 to 15 minutes after secretin infusion, and from the third part of the duodenum (at 15 minutes) from 45 patients undergoing endoscopic ultrasound pancreatic surveillance. KRAS mutation concentrations were measured by using droplet digital polymerase chain reaction. RESULTS: Forty of 45 patients had KRAS mutations detected in their pancreatic juice, and most patients' juice samples had more than 1 KRAS mutation. Of 106 KRAS mutations detected in 171 pancreatic juice samples, 58 were detected in the 5-minute samples, 70 mutations were detected in the 10-minute samples, and 65 were detected in the 15-minute samples. Nine patients who did not have KRAS mutations detected in their 5-minute sample had mutations detected in samples collected at later time points. Ninety-percent of all pancreatic juice mutations detected in any sample were detected in the 5- or 10-minute samples. CONCLUSIONS: Collecting pancreatic juice for 10 minutes after secretin infusion increases the likelihood of detecting pancreatic juice mutations over shorter collections. PMID- 29200130 TI - DIFFUSE RETINAL VASCULAR LEAKAGE AND CONE-ROD DYSTROPHY IN A FAMILY WITH THE HOMOZYGOUS MISSENSE C.1429G>A (P.GLY477ARG) MUTATION IN CRB1. AB - PURPOSE: To describe a specific cone-rod dystrophy phenotype in a family with the homozygous c.1429G>A; p.Gly477Arg mutation in CRB1. The detailed phenotype of subjects with this specific mutation has not been described previously. METHODS: Clinical examination included full-field electroretinography and high-resolution and widefield retinal imaging and uveitis workup. Molecular genetic analysis included next-generation sequencing of known retinal dystrophy genes and Sanger sequencing for segregation analysis. RESULTS: Three affected male siblings (26, 16, and 8 years old) were diagnosed with cone-rod dystrophy, featuring bilateral macular hypoautofluorescent lesions. In addition, the eldest brother was found to have retinal vascular leakage throughout the retina without telangiectasia. Uveitis laboratory workup was unremarkable. The homozygous c.1429G>A; p.Gly477Arg mutation in CRB1 was found to segregate with disease in this family. CONCLUSION: To the best of our knowledge, diffuse vascular leakage without telangiectasia or exudation, with bull's eye maculopathy, has not been reported previously in CRB1 cone rod dystrophy. This expands the phenotype complexity associated with CRB1 mutations and confirms that dystrophies associated with mutations in this gene may appear with features of uveitis. PMID- 29200131 TI - Validation of an Algorithm to Identify Infective Endocarditis in People Who Inject Drugs. AB - INTRODUCTION: Infective endocarditis is associated with high morbidity and mortality. Currently, there is concern that the incidence of infective endocarditis associated with people who inject drugs (PWID) is increasing. However, it is difficult to monitor population-wide trends in PWID-associated infective endocarditis, as there is no International Statistical Classification of Diseases, 10th Revision (ICD-10) code for injection drug use. To address this barrier, we sought to develop a validated algorithm using ICD-10 discharge diagnosis codes. MATERIALS AND METHODS: We constructed a cohort of patients whose hospital discharge diagnosis included infective endocarditis. We reviewed 100 patients with incident infective endocarditis from 2014 to 2016 for their infective endocarditis and injection drug use status. We calculated the operating characteristics for algorithms constructed using permutations of ICD-10 codes associated with injection drug use. We repeated this analysis in a cohort of 100 patients with incident infective endocarditis from 2009 to 2011 to examine the temporal stability of the operating characteristics of each algorithm. RESULTS: We found that a combination of hepatitis C virus, drug use, and mental/behavioral disorder codes yielded the highest sensitivity (93%) and positive predictive value (83%) of the algorithms analyzed. DISCUSSION: We have described the first algorithm, validated against chart review data, for identifying PWID-associated infective endocarditis cases using ICD-10 codes. The high sensitivity and positive predictive value indicate that this algorithm can be used for surveillance and research with confidence. CONCLUSIONS: This algorithm will enable researchers to examine epidemiological trends in PWID-associated infective endocarditis. PMID- 29200132 TI - A Practical Comparison Between the Predictive Power of Population-based Risk Stratification Models Using Data From Electronic Health Records Versus Administrative Claims: Setting a Baseline for Future EHR-derived Risk Stratification Models. PMID- 29200133 TI - Toluene Diisocyanate Exposure: Exposure Assessment and Development of Cross Facility Similar Exposure Groups Among Toluene Diisocyanate Production Plants. AB - OBJECTIVE: The objective of this study was to characterize workplace toluene diisocyanate (TDI) exposures using standardized industrial hygiene exposure assessment procedures for use in a prospective epidemiologic study of occupational asthma. METHODS: Over 2300 representative routine full shift time weighted average (TWA) and short-term high potential exposure tasks (HPETs) air samples in groups across three TDI plants were collected over a nearly 7-year period. RESULTS: Data-derived similar exposure groups (SuperSEGs) were developed across the plants based on TWA sampling using cluster analysis. Individual cumulative exposure estimates were developed on the basis of the SuperSEGs. CONCLUSION: Workplace TWA exposures to TDI were adequately characterized quantitatively, but HPET exposures were adequately characterized only by qualitative measures. The mean TWA exposure was 0.65 parts per billion for 1594 routine samples. These TWA and HPET exposures can be used to support exposure response analyses. PMID- 29200134 TI - Medical Monitoring for Occupational Asthma Among Toluene Diisocyanate Production Workers in the United States. AB - OBJECTIVE: The aim of this study was to describe a study of medical monitoring methods and lessons learned in detecting health outcomes in U.S. plants producing toluene diisocyanate (TDI). METHODS: A multidisciplinary team implemented a medical and environmental monitoring program in three TDI plants. RESULTS: Of 269 eligible workers, 197 (73%) participated and 42 (21%) met symptom and/or lung function criteria that would trigger evaluation for possible asthma over 5 years of data collection. Subsequent evaluation was delayed for most, and a web-based data collection system improved timeliness. CONCLUSION: Medical monitoring of TDI workers identified workers triggering further assessment per study protocol. Systems and/or personnel to ensure rapid follow-up are needed to highlight when triggering events represent potential cases of asthma needing further evaluation. Implementation of a research protocol requires resources and oversight beyond an occupational health program. PMID- 29200137 TI - Early Prediction of Persistent Organ Failure by Circulating Endothelial Progenitor Cells in Patients With Acute Pancreatitis. AB - INTRODUCTION: Increased circulating endothelial progenitor cells (cEPC) have been observed in patients with vascular injury associated with sepsis and acute lung injury. However, a role for cEPC in severe acute pancreatitis (SAP) remains unclear. We therefore conducted a prospective study to study whether the quantities of cEPC can predict persistent organ failure (POF) in patients with predicted SAP. METHODS: A total of 42 predicted SAP patients who were admitted within 24 h after symptom onset and 10 healthy control subjects were enrolled in our study. The proportions of cEPC were analyzed based on flow cytometry simultaneously. Vascular endothelial growth factor (VEGF) levels were measured by enzyme-linked immunosorbent assay. RESULTS: The percentage of cEPC was significantly higher in patients with predicted SAP compared with healthy controls. Similarly, the levels of VEGF in peripheral blood were also significantly higher in predicted SAP patients than in the controls. Notably, patients with POF had lower proportion of cEPC compared with patients with transient organ failure (TOF). In contrast, patients with POF had a significantly higher level of VEGF compared with TOF. Of note, the percentages of cEPC were significantly inversely correlated with disease severity scores. More importantly, cEPC showed an excellent discriminative power for predicting POF among predicted SAP patients, whereas plasma VEGF and disease severity scores showed moderate accuracy in predicting future POF. CONCLUSIONS: Peripheral EPC as a novel biomarker is elevated and may aid to predict the development of POF in patients with predicted SAP. PMID- 29200135 TI - Incidence of Occupational Asthma and Exposure to Toluene Diisocyanate in the United States Toluene Diisocyanate Production Industry. AB - OBJECTIVE: This study examines asthma risk in facilities producing toluene diisocyanate (TDI). METHODS: A total of 197 workers were monitored from 2007 to 2012. TDI air concentrations were used to estimate exposures. RESULTS: The incidence of cases consistent with TDI-induced asthma was 0.009 per person-years (seven cases) or consistent with TDI-induced asthma or asthma indeterminate regarding work-relatedness was 0.012 (nine cases). Increased risk of cases consistent with TDI asthma was observed for cumulative (odds ratio [OR] = 2.08, 95% confidence interval [CI] 1.07 to 4.05) per logarithm parts per billion-years and peak TDI exposures (OR = 1.18, 95% CI 1.06 to 1.32) (logarithm parts per billion). There was a weak association with cumulative and peak exposures for decline of short-term forced expiratory volume in one second (FEV1). Asthma symptoms were associated with workers noticing an odor of TDI (OR 6.02; 95% CI 1.36 to 26.68). CONCLUSIONS: There is evidence that cumulative and peak exposures are associated with TDI-induced asthma. PMID- 29200138 TI - Dispatcher-Assisted Cardiopulmonary Resuscitation Program and Outcomes After Pediatric Out-of-Hospital Cardiac Arrest. AB - OBJECTIVES: A dispatcher-assisted bystander cardiopulmonary resuscitation (DA BCPR) is expected to influence the outcomes of pediatric out-of-hospital cardiac arrest (OHCA). Our objective was to measure the effect size of a DA-BCPR on survival outcomes according to location of the event. METHODS: All emergency medical service treated OHCA patients younger than 19 years in Korea from January 2012 through December 2013 were analyzed. Patients with OHCA witnessed by emergency medical service providers and those with missing outcome information were excluded. Patients were categorized into the following categories: No-BCPR, BCPR without dispatcher assistance (BCPR-NDA), and BCPR-DA. The primary outcome was survival to hospital discharge. Multivariable logistic regression analysis was performed to calculate the adjusted odds ratios (AORs) and 95% confidence intervals (CIs) for outcomes by exposure group (reference, No-BCPR group) with and without an interaction term between exposure and location of arrest. RESULTS: A total of 1013 eligible patients were analyzed. Among these patients, 16.6% received BCPR-NDA, 23.2% received BCPR-DA, and 60.2% received no BCPR. After adjusting for potential confounders, compared with N0-BCPR group, AORs for survival were 1.79 (95% CI, 1.03-3.12) in BCPR group, 1.71 (95% CI, 0.85-3.46) in BCPR-NDA group, and 1.39 (95% CI, 0.72-2.69) in BCPR-DA group. The AORs for survival of BCPR-NDA and BCPR-DA in public location were 3.30 (95% CI, 1.12-9.72) and 2.95 (95% CI, 1.00-8.67), whereas BCPR-NDA and BCPR-DA in private locations were 1.62 (95% CI, 0.68-3.88) and 1.15 (95% CI, 0.53-2.51). CONCLUSION: The DA CPR was associated with better outcomes in pediatric OHCA patients whose arrest occurred in public locations, but no improvement in outcomes was identified in patients whose arrest occurred at private locations. PMID- 29200136 TI - Longitudinal and Cross-sectional Analyses of Lung Function in Toluene Diisocyanate Production Workers. AB - OBJECTIVE: The aim of this study was to investigate lung function among toluene diisocyanate (TDI) production workers. METHODS: One hundred ninety-seven U.S workers performed spirometry from 2006 through 2012. Results were compared within the study cohort and with U.S. population measures. A mixed-effects model assessed factors affecting repeated forced expiratory volume in 1 second (FEV1) measurements. RESULTS: The cohort's mean FEV1 and forced vital capacity (FVC) percent reference values, although greater than 90%, were significantly lower and the prevalence of abnormal spirometry (predominantly restrictive pattern) was significantly higher than in the U.S. POPULATION: Differences in lung function among workers with higher cumulative TDI exposure were in the direction of an exposure effect, but not significant. CONCLUSION: We found little evidence of an adverse effect of TDI exposure on longitudinal spirometry in these workers. The association between TDI exposure and the increasing prevalence of a restrictive pattern needs further exploration. PMID- 29200139 TI - Hyperkalemia and Acute Kidney Injury in an Adolescent: Thinking Outside the Box. AB - Addison disease is a rare endocrine disorder, which typically presents with nonspecific symptoms including weight loss, fatigue, and nausea in conjunction with hyponatremia and hyperkalemia. This case demonstrates key diagnostic clues in evaluation of an adolescent who presented with severe hyperkalemia and acute kidney injury that was resistant to insulin, glucose, and sodium polystyrene sulfonate and was found to have primary adrenal insufficiency. PMID- 29200141 TI - Effects of the Introduction of Intranasal Fentanyl on Reduction of Pain Severity Score in Children: An Interrupted Time-Series Analysis. AB - OBJECTIVES: Children are at risk of inadequate analgesia due to paramedics' inexperience in assessing children and challenges in administering analgesics when the patient is distressed and uncooperative. This study reports on the outcome of a change to practice guidelines that added intranasal fentanyl and intramuscular morphine within a large statewide ambulance service. METHODS: This retrospective study included patients younger than 15 years treated by paramedics between January 2008 and December 2011. The primary outcome of interest was the proportion of patients having a 2/10 or greater reduction in pain severity score using an 11-point Verbal Numeric Rating Scale before and after the intervention. Segmented regression analysis was used to estimate the effect of the intervention over time. A multiple regression model calculated odds ratios with 95% confidence intervals. RESULTS: A total of 92,378 children were transported by paramedics during the study period, with 9833 cases included in the analysis. The median age was 11 years; 61.6% were male. Before the intervention, 88.1% (n = 3114) of children receiving analgesia had a reduction of pain severity of 2 or more points, with 94.2% (n = 5933) achieving this benchmark after intervention (P < 0.0001). The odds of a reduction in pain of 2 or more points increased by 1.01 per month immediately before the intervention and 2.33 after intervention (<0.0001). CONCLUSIONS: This large study of a system-wide clinical practice guideline change has demonstrated a significant improvement in the outcome of interest. However, a proportion of children with moderate to severe pain did not receive analgesia. PMID- 29200140 TI - Evaluating the Implementation Barriers of an Intranasal Fentanyl Pain Pathway for Pediatric Long-Bone Fractures. AB - OBJECTIVES: This study aimed to assess physician comfort, knowledge, and implementation barriers regarding the use of intranasal fentanyl (INF) for pain management in patients with long-bone fractures in a pediatric emergency department (ED) with an INF pain pathway. METHODS: A retrospective chart review was conducted of patients, 3 to 21 years old, in our ED with an International Classification of Diseases-9th Revision code for a long-bone fracture from September 1, 2013, to August 31, 2015. Patients were divided into 4 groups: (1) received INF on the pathway appropriately; (2) "missed opportunities" to receive INF, defined as either INF was ordered and then subsequently canceled (for pain ratings, >=6/10), or INF was ordered, cancelled, and intravenous (IV) morphine given, or INF was not ordered and a peripheral IV line was placed to give IV morphine as first-line medication; (3) peripheral IV established upon ED arrival; (4) no pain medication required. Additionally, a survey regarding practice habits for pain management was completed to evaluate physician barriers to utilization of the pathway. RESULTS: A total of 1374 patients met the inclusion criteria. Missed opportunities were identified 41% of the time. Neither younger patient age nor more years of physician experience in the ED were associated with increased rates of missed opportunities. The survey (95% response rate) revealed greater comfort with and preference for IV morphine over INF. CONCLUSIONS: The high rate of missed opportunities, despite the implementation of an INF pain pathway, indicates the need for further exploration of the barriers to utilization of the INF pain pathway. PMID- 29200142 TI - Burnout Rates in Pediatric Emergency Medicine Physicians. AB - OBJECTIVE: Burnout is a syndrome in which a reduced sense of personal accomplishment, depersonalization, and emotional exhaustion develop in response to prolonged stress. It is well known that physicians suffer high rates of burnout; emergency medicine physicians experience significantly increased rates of burnout, whereas physicians in other specialties, like pediatrics, may be spared. Pediatric emergency medicine physicians are on the frontline of care for the critically ill child, which could put them at high risk for burnout. This study evaluates the rate of burnout in pediatric emergency medicine physicians. METHODS: We conducted a survey assessing burnout using a sample of pediatric emergency medicine physicians who subscribe to an open Listserv server maintained by Brown University. Burnout was measured using a validated instrument, the Maslach Burnout Inventory-Human Services Survey, which was distributed by e-mail to the study group. RESULTS: Respondents averaged a score of 9 (95% confidence interval [CI], 8-10), 23 (95% CI, 21-25), and 39 (95% CI, 38-40) in the subscales of depersonalization, emotional exhaustion, and personal accomplishment, respectively. This placed our cohort into the average range for all subscales. The percentage of respondents who scored in the high levels of burnout (moderate to high scores in both depersonalization and emotional exhaustion and low to moderate scores in personal accomplishment) was 25% (95% CI, 18-32). CONCLUSIONS: Unlike previous literature showing burnout prevalence in excess of 60% in emergency medicine physicians and 38% in pediatricians, our pediatric emergency medicine physicians fared better with only 25% (95% CI, 18-32), showing elevated levels of burnout. PMID- 29200143 TI - The Predictors for Positive Yield Abdominal Computed Tomography in Pediatric Abdominal Trauma. AB - OBJECTIVES: Abdominal computed tomography (ACT) use in the initial evaluation of pediatric abdominal trauma is liberal in most instances. The aim of this study was to identify the predictors for a positive yield ACT scan in this population. METHODS: A prospective, cohort, single-center observational study was conducted at Children's Hospital at Westmead, New South Wales, from January 2008 to June 2015 on 240 pediatric abdominal trauma patients who had abdominal computed tomography. Clinical, laboratory, imaging, and interventional variables were explored with univariate and multivariate analyses among children who sustained abdominal trauma. RESULTS: Of 240 patients, positive ACT scans were found in 161 patients (67%), 112 patients (47%) had intra-abdominal injury, and 20 patients (8%) required invasive therapeutic interventions. Mortality rate was 1.7% (4 patients) due to nonabdominal causes. Multivariate analyses revealed that increasing age (odds ratio [OR], 1.12; 95% confidence interval [CI], 1.02-1.24; P = 0.024), high injury severity score (OR, 1.14; 95% CI, 1.07-1.21; P < 0.001), abnormal abdominal examination (OR, 5.95; 95% CI, 2.08-17.01; P = 0.001), elevated alanine aminotransferase greater than 125 IU/L (OR, 46.28; 95% CI, 2.81 762.49; P = 0.007), abnormal pelvic radiograph (OR, 14.03; 95% CI, 2.39-82.28; P = 0.003), presence of gross hematuria (OR, 4.14; 95% CI, 1.04-18.23; P = 0.044), low initial hematocrit level (less than 30%) (OR, 8.51; 95% CI, 1.14-63.70; P = 0.037), and positive focused assessment with sonography for trauma (OR, 2.61; 95% CI, 1.01-7.28; P = 0.048) remained significantly associated with abnormal ACT scan. In contrast, those who required scanning of other body region(s) were less likely to have abnormal ACT scan (OR, 0.34; 95% CI, 0.14-0.86; P =0.022). CONCLUSIONS: Integrating the abdominal examination findings, relevant laboratory values, and focused assessment with sonography for trauma results with the physicians' suspicion may aid in stratifying patients for ACT scan. Further efforts should be made to decrease number of normal ACT scans; yet not to increase the number of delayed or missed injures with its inherent morbidity and mortality. PMID- 29200144 TI - Clinical Challenges: Identification of Patients With Novel Primary Immunodeficiency Syndromes. AB - Novel primary immunodeficiency disorders are being identified with next generation sequencing technologies. We describe 1 patient with cytotoxic T lymphocyte-associated protein 4 (CTLA-4) haploinsufficiency who had recurrent enhancing brain lesions, nodular pulmonary infiltrates, hepatosplenomegaly, immune cytopenias, as well as progressive hypogammaglobulinemia and lymphopenia. We describe a second patient with activated p110delta syndrome (APDS)/p110delta activating mutation causing senescent T cells, lymphadenopathy, and immunodeficiency (PASLI) in association with recurrent respiratory tract infections, Epstein-Barr virus infection, lymphadenopathy, elevated serum IgM, and progressive lymphopenia. These presentations highlight the need for astute clinical judgment in the evaluation of patients with potential primary immunodeficiency disorders. PMID- 29200145 TI - Treatment Outcome of Children With Multisystem Langerhans Cell Histiocytosis: The Experience of a Single Children's Hospital in Shanghai, China. AB - We reported the outcome of 150 children newly diagnosed with multisystem langerhans cell histiocytosis following a langerhans cell histiocytosis-II-based protocol (arm B). However, the continuation treatment was extended to 56 weeks and etoposide was omitted from the continuation treatment. Risk organ (RO) involvement was defined as: liver (>=3 cm with or without functional impairment); spleen (>=2 cm below the costal margin in the midclavicular line); hematopoietic system (hemoglobin <100 g/L, and/or white blood cell count <4.0*10/L, and/or platelets <100*10/L). The lungs are not considered a RO in the current study. For the 59 patients with RO involvement (RO+), the rapid response rate (week 6) was 61.0% and the 3-year overall survival 73.4%+/-5.9%. Rapid responders had a better 3-year survival rate than poor responders (90.9%+/-5.0% vs. 45.7%+/-11.0%, P<0.001). Ninety-one patients without RO involvement (RO-) had a relatively low 3 year cumulative reactivation rate (10.7%). No deaths occurred in this subgroup and the 3-year overall survival of RO- patients was 100%. Poor responders of RO+ patients had an extremely poor prognosis. An effective salvage therapy is essential for this high-risk group. The initial treatment intensity and duration of continuation therapy both impact disease reactivation in RO- patients. PMID- 29200146 TI - Successful Treatment of Mediastinal gammadelta T-Cell Lymphoblastic Lymphoma in a 3-Year-Old Girl by Allogeneic Cord Blood Transplantation. AB - A 3-year-old girl presenting with a huge mediastinal tumor and massive pleural effusion, was diagnosed with stage III gammadelta T-cell lymphoblastic lymphoma (gammadelta T-LBL) by flow cytometry of effusion cells. Four courses of chemotherapy achieved complete remission, and 5/6 HLA allele-matched cord blood transplantation was performed with success. The patient remains in first complete remission >16 months after transplantation. gammadelta T-LBL is very rare, especially that of mediastinal origin, and is acknowledged as having an extremely poor clinical outcome. The present case study is the first to report the successful treatment of mediastinal gammadelta T-LBL in a toddler. PMID- 29200147 TI - Pediatric Deep Venous Thrombosis Associated With Staphylococcal Infections: Single Institutional Experience. AB - Deep venous thrombosis (DVT) has been previously reported in children with methicillin-resistant Staphylococcus aureus (MRSA). This study reviews our institutional experience by evaluating characteristics and outcomes of children with DVT and staphylococcal infections. Retrospective clinical data from 16 pediatric patients with DVT and staphylococcal infections over a 5-year period was obtained via medical record abstraction. Sixteen patients with a median age at diagnosis of 8 years were included. The most common infection encountered was osteomyelitis (56%). The most common isolated organism was MRSA (63%). Central venous catheters were present in 50% of cases. All patients received anticoagulation with low molecular weight heparin except 1 patient with superficial venous thrombosis who was managed conservatively. Fifty percent of patients had complete resolution of DVT by the end of treatment, 25% of the patients had early disappearance of the thrombus at 7 to 10 days. Only 2 patients (12.5%) had persistent thrombus at 6 months. Staphylococcal infections may increase the risk of DVT in children. Therefore, a high index of suspicion for DVT is warranted in children with Staphylococcal infections (particularly MRSA) to promptly diagnose, treat and minimize complications. Prophylactic anticoagulation in presence of staphylococcal infection, particularly MRSA, may be considered in future studies. PMID- 29200148 TI - Macrothrombocytopenia With Congenital Bilateral Cataracts: A Phenotype of MYH9 Disorder With Exon 24 Indel Mutations. AB - MYH9 disorder is characterized by large platelets and granulocyte inclusion bodies, and can be complicated with young-adult onsets of nephropathy, sensorineural hearing loss, and cataracts. Congenital cataracts in patients with MYH9 disorder is rare, and their etiology has not been elucidated. We report a 3 year-old patient with MYH9 disorder who had a p.E1066_A1072del mutation and developed cataracts congenitally. A review of the literature reveals that patients with an MYH9 exon 24 indel mutation, including p.E1066_A1072del, are susceptible to developing congenital cataracts and should be followed closely for other nonhematological complications. PMID- 29200149 TI - Childhood and Adolescent Cancer in the State of Pernambuco, Brazil: Incidence, Geographical Distribution, and Association With Environmental Health Indicators. AB - Cases of childhood and adolescent cancer diagnosed from 2009 to 2012 in the state of Pernambuco, Brazil, were analyzed considering the patients' sex and age, the type of cancer and the municipality of living to determine the incidence, geographical distribution, and association with environmental health indicators. The spatial distribution pattern of the cancer incidence was estimated using the Global Moran's index. The association between environmental health indicators and cancer incidence was evaluated by multiple regression. From 2009 to 2012, 1261 new cases of cancer were diagnosed in patients younger than 20 years old in the state of Pernambuco. Leukemia/lymphoma were the most common type of cancer contemplating 45.28% of the cases. The average age-adjusted incidence rate was 113 cases per million with no spatial distribution pattern. The municipalities were clustered according to their degree of inequality (P=0.017), human development index (P=0.001), population growth rate (P=0.008), urbanization level (P=0.001), number of agricultural crops per capita (P=0.001), and number of industries per capita (P=0.030). However, only urbanization level was positive correlated with incidence of pediatric cancer (P=0.009) likely because in more developed cities, people are more exposed to potential oncogenic factors, such as air and water pollution and processed and ultraprocessed food. The better access to specialized health services, which increases the chances of early diagnosis, may also contributes for a higher number of cases in more developed cities. PMID- 29200150 TI - Alder-Reilly Anomaly in the Cerebrospinal Fluid of a Child With Hurler Syndrome. AB - Hurler syndrome is an autosomal recessive mucopolysaccharidosis characterized by intralysosomal accumulation of glycosaminoglycan fragments, with cellular accumulation of distended lysosomes resulting in interference with normal cell function. One of the peripheral blood features of mucopolysaccharidoses is the presence of numerous, dark lilac granules within lymphocytes, monocytes, and neutrophils, also known at Alder-Reilly anomaly. Here we describe intracytoplasmic granules with haloes in mononuclear cells present in the cerebrospinal fluid of a 2-year-old boy with the diagnosis of Hurler syndrome, undergoing pretransplant evaluation for an unrelated donor cord blood stem cell transplant. PMID- 29200151 TI - Recurrent Acute Chest Syndrome in Pediatric Sickle Cell Disease: Clinical Features and Risk Factors. AB - Acute chest syndrome (ACS) is a common and serious lung complication in sickle cell disease. A retrospective medical chart review was performed over a 6-year period in all pediatric ACS patients to investigate whether factors during the initial hospitalization were associated with recurrent ACS episodes. There were 386 episodes of ACS: 149 had only 1 episode of ACS, and 76 had >1 episode of ACS; 172 (76.4%) had hemoglobin SS, and 39 (17.3%) had hemoglobin SC. The most common presenting features were fever (83%), pain (70%), and cough (61%), which changed with the number of ACS episodes. Children <4 years old were at greatest risk of recurrent ACS (P=0.018). In addition, history of asthma (adjusted incident rate ratio [IRR]=1.52; 95% confidence interval [CI], 1.22-1.98; P<0.0001), shortness of breath (IRR, 1.29; 95% CI, 1.02-1.62; P=0.033), and length of hospital stay (IRR, 1.04; 95% CI, 1.01-1.08; P=0.017) were significantly associated with prospective ACS events. Multiple episodes of ACS are common in sickle cell disease, and certain risk factors during the initial hospitalization are associated with recurrent ACS. PMID- 29200152 TI - Vanishing Bile Duct Syndrome Following Cytomegalovirus Infection in a Child With Hodgkin Lymphoma. PMID- 29200153 TI - Dengue-associated Hemophagocytic Lymphohistiocytosis: A Rare Complication of a Common Infection in Singapore. AB - Hemophagocytic lymphohistiocytosis (HLH) can progress rapidly, often leading to multisystem organ failure and death. Prompt recognition of the syndrome and institution of appropriate treatment are crucial steps in improving the outcome. Dengue virus infection is not commonly known to be associated with secondary HLH. We present a case of a child with dengue fever who subsequently developed classical features of HLH. He was treated successfully with 4 weeks of steroid monotherapy instead of the multidrug therapy proposed in the HLH 2004 protocol. There was prompt response to the treatment with resolution of clinical and biochemical features. He remains in complete remission 3 years from the diagnosis. PMID- 29200154 TI - Rhinocerebral Mucormycosis With Temporal Artery Thrombosis in an Adolescent Following HLA-haploidentical Stem Cell Transplantation. AB - Rhinocerebral mucormycosis (RCM) can lead to internal carotid artery thrombosis. Here, we report the first case of RCM with temporal artery thrombosis following HLA-haploidentical stem cell transplantation in an adolescent presenting with low grade fever, right mandibular pain, and right jaw claudication. This case suggests that RCM can cause temporal artery thrombosis and should be considered as a differential diagnosis in severely immunocompromised patients with maxillary sinusitis presenting with jaw claudication. PMID- 29200155 TI - A Case of Congenital Dyserythropoeitic Anemia Type IV Caused by E325K Mutation in Erythroid Transcription Factor KLF1. AB - Congenital dyserythropoetic anemias (CDA) represent a heterogeneous group of inherited red cell disorders resulting in ineffective erythropoiesis. Several CDA variants have been identified. KLF1 is a transcription factor required for cell division in erythroid differentiation and maturation, and the switch from fetal to adult hemoglobin. Mutations in KLF1 gene can result in a wide range of phenotypes. This case illustrates the E325K mutation in KLF1 presenting with severe anemia in infancy, persistently elevated fetal hemoglobin, and progressive improvement with age. This case of CDA because of KLF1 mutation highlights the common features and expected disease course of CDA type IV. PMID- 29200156 TI - Sustained Response to Targeted Therapy in a Patient With Disseminated Anaplastic Pleomorphic Xanthoastrocytoma. AB - Pleomorphic xanthoastrocytoma is a rare brain tumor with unique high frequency of BRAF V600E mutation which is plausible for targeted therapy. The anaplastic variant has generally worse prognosis. We present an adolescent patient with a disseminated relapse of anaplastic pleomorphic xanthoastrocytoma following surgery, radiotherapy, and chemotherapy. She had a dramatic and prolonged response to a BRAF inhibitor (Dabrafinib) and later to addition of a MEK inhibitor (Trametinib) on tumor progression. With minimal side effects and a good quality of life, the patient is alive more than 2 years after initiation of targeted therapy. This experience confirms the potential role of targeted treatments in high-grade BRAF-mutated brain tumors. PMID- 29200157 TI - An Infant With Unusually High Unconjugated Hyperbilirubinemia Due to Coexistence of Hereditary Spherocytosis and Gilbert Syndrome. AB - Hereditary spherocytosis is the most frequent congenital hemolytic anemia and is characterized with variable degree of anemia, jaundice, and splenomegaly. In the case of severe hyperbilirubinemia out of proportion with hemolysis, other causes of hyperbilirubinemia must be considered. Gilbert syndrome (GS) is an autosomal dominant disorder characterized with intermittent hyperbilirubinemia without any other sign and symptom of liver disease as a result of reduced activity of uridine diphosphate-glucuronyl transferase 1A1. The calculated rate of coexistence of these 2 diseases is 15 to 35/million births. Here we present a 21 month-old girl with hereditary spherocytosis diagnosed at the age of 40 days with hyperbilirubinemia out of proportion of hemolysis which led to diagnosis of GS. Thereby, the diagnosis of GS should be considered in unexplained unconjugated hyperbilirubinemia in different age groups, including infants and toddlers. PMID- 29200158 TI - Cardiac Toxicity After Craniospinal Irradiation: A Late Effect That May be Eliminated With Proton Therapy. AB - BACKGROUND: Craniospinal irradiation (CSI) is commonly required for pediatric patients with central nervous system malignancies. Traditionally, CSI is given using x-rays to deliver radiation to the brain and spine, exposing normal anterior structures, including heart, to unnecessary radiation. OBSERVATIONS: We present a patient treated with x-ray CSI for medulloblastoma with spinal metastasis (3600 cGy CSI with focal boost to 5000 cGy), who subsequently developed significant cardiac toxicity, likely related to radiation exposure. CONCLUSIONS: Spinal irradiation can cause significant cardiac risk due to exit dose through anterior structures. This toxicity may be avoided with proton therapy, which eliminates visceral exit dose. PMID- 29200159 TI - Posterior Reversible Encephalopathy Syndrome: Risk Factors and Impact on the Outcome in Children With Acute Lymphoblastic Leukemia Treated With Nordic Protocols. AB - Posterior reversible encephalopathy syndrome (PRES) in children with acute lymphoblastic leukemia has been increasingly recognized as a clinicoradiological entity. Our aim was to describe the incidence of PRES in pediatric patients with ALL, identify its risk factors, and examine its prognostic importance. For this research, we conducted a systematic, retrospective review of the patient records in a population-based series of children with acute lymphoblastic leukemia (n=643) treated in Finland from 1992 to 2008. Of the patients with ALL, 4.5% (n=29) developed radiologically confirmed PRES, of which 28 cases occurred during induction. Hypertension (P=0.006; odds ratio [OR], 4.10, confidence interval [CI], 1.50-11.25), constipation (P=0.001; OR, 5.60; CI, 2.02-15.52), and >14 days of alkalinization (P=0.017; OR, 3.27; CI, 1.23-8.68) were significant independent risk factors for PRES. One-third of the patients developed epilepsy. Relapses occurred significantly more often in those patients with PRES (P=0.001), which was associated with worse overall survival (P=0.040; 5-year survival=75.9% [60.3% 91.4%] vs. 88.4% [85.8%-90.9%]). Using NOPHO-ALL 92/2000 protocols, PRES is a significant early complication of therapy in ALL, and was associated with a poorer prognosis and significant neurological morbidity. PMID- 29200160 TI - Glucose Homeostasis and Effect of Chelation on beta Cell Function in Children With beta-Thalassemia Major. AB - OBJECTIVE: To assess the prevalence of impaired glucose tolerance in beta thalassemia major and correlate it with chelation therapy. MATERIALS AND METHODS: Sixty-seven subjects with beta-thalassemia major, aged 1 to 20 years, were enrolled in our prospective cohort. Clinical details were recorded. Baseline oral glucose tolerance test, serum insulin, C peptide, and insulin resistance were measured. The biochemical profile was repeated after 6 months. RESULTS: The mean age of subjects was 7.43+/-4.48 years. Eight (11.9%) subjects had impaired fasting glucose, 7 (10.4%) had impaired glucose tolerance, and 1 (1.4%) subject had diabetes at baseline. Subjects with abnormal glucose profile had longer disease duration (95% confidence interval [CI] of difference=-6.64 to -0.68; P=0.019) and higher fasting blood glucose (95% CI of difference=-32.1 to -10.5; P=0.001) and serum ferritin (95% CI of difference=-219.8 to -3.4; P=0.001) than normoglycemic subjects. Insulin resistance and serum ferritin showed significant increase at 6 months (P<0.001 and P=0.001, respectively). Patients on deferiprone alone significantly improved glucose homeostasis on follow-up than those on desferrioxamine or combination therapy of desferrioxamine and deferiprone (P<0.05). CONCLUSIONS: Prolonged disease duration and higher serum ferritin adversely affects glucose homeostasis in thalassemic children. Deferiprone was the most effective chelator to improve glucose homeostasis in chronically transfused thalassemics. PMID- 29200161 TI - Noninvasive Measurement of Hemoglobin Using Spectrophotometry: Is it Useful for the Critically Ill Child? AB - This study compared the accuracy of noninvasively measuring hemoglobin using spectrophotometry (SpHb) with a pulse CO-oximeter and laboratory hemoglobin (Hb) measurements. A total of 345 critically ill children were included prospectively. Age, sex, and factors influencing the reliabilityof SpHb such as SpO2, heart rate, perfusion index (PI), and vasoactive inotropic score were recorded. SpHb measurements were recorded during the blood draw and compared with the Hb measurement. Thirteen patients (low PI in 9 patients and no available Hb in 4 patients) were excluded and 332 children were eligible for final analysis. The mean Hb was 8.71+/-1.49 g/dL (range, 5.9 to 12 g/dL) and the mean SpHb level was 9.55+/-1.53 g/dL (range, 6 to 14.2 g/dL). The SpHb bias was 0.84+/-0.86,with the limits of agreement ranging from -2.5 to 0.9 g/dL. The difference between Hb and SpHb was >1.5 g/dL for only 47 patients. Of these, 24 patients had laboratory Hb levels <7 g/dL. There was a weak positive correlation between differences and PI (r=0.349; P= 0.032). The pulse CO-oximeter is a promising tool for measuring SpHb and monitoring critically ill children. However, PI may affect these results. Additional studies investigating the reliability of the trend of continuous SpHb values compared with simultaneously measured laboratory Hb values in the same patient are warranted. PMID- 29200162 TI - Study of NOTCH1 and FBXW7 Mutations and Its Prognostic Significance in South Indian T-Cell Acute Lymphoblastic Leukemia. AB - NOTCH1/FBXW7 mutations trigger oncogenic NOTCH1 signaling and its downstream target genes play crucial roles in the molecular pathogenesis of T-cell acute lymphoblastic leukemia (T-ALL). In the present study, NOTCH1 and FBXW7 mutations were studied in 25 primary T-ALL samples. All 34 exons of NOTCH1 and hotspot exons (exon 9 and exon 10) of FBXW7 were polymerase chain reaction amplified and sequenced for mutations. Our results showed that 13/25 (52%) were NOTCH1-mutated, of which 11 patients (44%) showed mutation in the hotspot exons. Four patients (16%) had mutations in non-hotspot exons of NOTCH1. Notably, 2 T-ALL patients (8%) harbored mutations in both hotspot and non-hotspot exons of NOTCH1, whereas 2 patients (8%) had mutations in the hotspot exons of FBXW7. In all, 7 mutations were identified which were not previously reported. The real-time polymerase chain reaction study in 15 patients revealed that increased expression of activated NOTCH1 was found in NOTCH1/FBXW7 hotspot exon-mutated cases. In addition, NOTCH1/FBXW7-mutated patients had showed upregulated HES1, c-MYC, NOTCH3 gene expression. When survival analysis was performed including samples (n=50) from our previous study, an early treatment response and better survival was observed in NOTCH1/FBXW7 hotspot-mutated patients. Our study suggests that NOTCH1/FBXW7 hotspot-mutated T-ALL cases had better response to ALL BFM-95 protocol. PMID- 29200163 TI - Therapy-related Acute Myeloid Leukemia After the Treatment of Primary Solid Cancer in Children: A Single-center Experience. AB - Therapy-related acute myeloid leukemia (t-AML) has a dismal prognosis and is one of the most frequent second malignant neoplasms which could be encountered by pediatric oncologists. Between October 2000 and September 2016, 16 patients who had primary solid tumors were diagnosed with t-AML at the Seoul National University Children's Hospital. The median patient age at the time of diagnosis of their primary solid tumors was 9.6 years (range, 0.1 to 15.4 y), and that of t AML was 14.0 years (range, 4.7 to 23.9 y). The median latency period from the end of the primary tumor treatment to the initial diagnosis of t-AML was 29 months (range, 6 to 130 mo). Twelve patients achieved complete remission. Of them, only 7 patients underwent hematopoietic stem cell transplantation (HSCT). The 3-year overall survival (OS) rates and event-free survival rates were 33.7+/-12.2% and 26.9+/-11.5% respectively. The patients who underwent HSCT showed favorable 5 year OS rates (57.1+/-18.7%), whereas the 5-year OS rates of those who did not undergo HSCT was 0%. This study demonstrates that an achievement of complete remission and a subsequent HSCT can be the optimal solution for the treatment of t-AML, and this strategy showed acceptable outcomes. PMID- 29200164 TI - Neuropilin-1/CD304 Expression by Flow Cytometry in Pediatric Precursor B-Acute Lymphoblastic Leukemia: A Minimal Residual Disease and Potential Prognostic Marker. AB - Flow cytometry (FCM) is used for quantification of minimal residual disease (MRD) in acute lymphoblastic leukemia (ALL) through discriminating leukemic B lymphoblasts from normal B-cell precursor counterparts "hematogones." Neuropilin 1 (NRP-1)/CD304 is a vascular endothelial growth factor receptor implicated in the progression of hematological malignancies. We evaluated NRP-1/CD304 as MRD and prognostic marker in pediatric precursor B-ALL using FCM. Seventy children with precursor B-ALL and 40 control children were enrolled. CD304 percentage and fluorescence intensity were significantly higher in precursor B-ALL at diagnosis compared with controls. In total, 28 of 70 (40%) precursor B-ALL patients at diagnosis were CD304 (group A), whereas 42/70 (60%) patients were CD304 (group B). Group A showed higher incidence of lymphadenopathy and TEL-AML1 fusion gene than group B. CD304 was reevaluated in group A patients at day 28 postinduction chemotherapy which revealed 12/28 (42.9%) patients with persistent CD304 expression (MRD; group A1) and 16/28 (57.1%) patients who turned CD304 (MRD; group A2). At diagnosis, group A1 showed lower incidence of TEL-AML1 fusion gene and higher risk stratification than group A2. NRP-1/CD304 expression by FCM is efficient in discriminating leukemic B-lymphoblasts from hematogones, a stable leukemia-associated phenotype for MRD monitoring, and a putative poor prognostic marker in pediatric precursor B-ALL. PMID- 29200165 TI - Programmed Death Ligand 1 Expression in Classical Hodgkin Lymphoma in Pediatric Patients. PMID- 29200166 TI - Ataxia Telangiectasia and Cancer Predisposition: Challenges in Management. AB - Immune dysregulation and predisposition to malignancies are critical comorbidities in children affected with ataxia telangiectasia. In addition, these children exhibit increased toxicity to conventional cancer therapy and dose reductions have been proposed to prevent life threatening adverse effects. These modifications to the treatment regimen may result in suboptimal outcomes for these patients. Our report of 3 children with ataxia telangiectasia and cancer highlight the immense challenges in the management of these children, underlining the need for the development of novel, biological agents with reduced acute and long-term side effects in the treatment of cancers in these children. PMID- 29200167 TI - A Severe Case of Murine Typhus Presenting With Anemia and Severe Thrombocytopenia. AB - We discuss a child with severe thrombocytopenia and mild anemia admitted to the Hematology service who quickly deteriorated to a life-threatening state. However, once rickettsial disease was considered in the differential diagnosis and empiric doxycycline begun, she quickly and fully recovered. A diagnostic panel, including Rickettsia typhi serology, confirmed the diagnosis of murine typhus but this occurred weeks after she had recovered. Given the potential severity of rickettsial diseases and the ease of modern travel across geographic borders, hematology-oncology providers everywhere must consider rickettsial diseases in their differential diagnosis of critically ill children and begin empiric therapy with doxycycline promptly. PMID- 29200168 TI - Spontaneous Regression in a Patient With Infantile Fibrosarcoma. AB - Infantile fibrosarcoma usually presents as a rapidly growing mass on the extremities or trunk. We describe spontaneous regression in a 5-month-old female infant with biopsy proven, molecularly confirmed, right leg infantile fibrosarcoma currently at 26 months of age with no signs of local recurrence. Previously reported cases of spontaneous regression are reviewed, suggesting a benign clinical course in some cases. Although evidence for spontaneous regression is anecdotal in this rare tumor type, physicians should weigh the risks and benefits of surgery and chemotherapy against watchful waiting. PMID- 29200169 TI - Sinus Histiocytosis With Massive Lymphadenopathy (Rosai Dorfman Disease): Diagnostic and Treatment Modalities for this Rare Entity Revisited. AB - Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy is a rare non-Langerhans' cell histiocytic disease resulting from the proliferation and accumulation of sinus histiocytes within lymph nodes. Extranodal involvement frequently occurs, which increases the morbidity and mortality of the disease. There is no clear consensus with regard to the most effective diagnostic and treatment modalities. This report will focus on the diagnostic imaging, treatment, and outcomes for 3 cases of Rosai-Dorfman disease. Imaging has typically utilized computed tomography (CT)/magnetic resonance imaging to detect extranodal involvement. However, the addition of fluorodeoxyglucose positron emission tomography/CT scans has shown value in identifying lesions unidentified or ambiguous on other modalities. Fluorodeoxyglucose positron emission tomography/CT detected disease involvement in 2 instances either not reported or not felt to be significant on correlative CT imaging. Areas of involvement included the stomach/liver in case 1, and the paranasal sinus in case 3. In addition, previously utilized chemotherapy regimens have not consistently displayed regression of the disease, which lends credence to the pursuit of more successful treatment. Notably, Clofarabine has shown promise in its use against histiocytic disorders. Our study concluded that Clofarabine demonstrates the ability to decrease lesion size and should be considered as an effective chemotherapeutic treatment method. PMID- 29200170 TI - Terson Syndrome Before Induction Chemotherapy for Acute Lymphoblastic Leukemia. AB - A previously healthy 2-year-old female infant presented with pancytopenia and was diagnosed with acute lymphoblastic leukemia. Before the initiation of treatment, she developed symptoms concerning for increased intracranial pressure. Head imaging revealed left parietal hemorrhage, in addition to a right vitreous hemorrhage, which was confirmed on ophthalmology examination later. Terson syndrome, in which intraocular hemorrhage is associated with intracranial hemorrhage, is more commonly reported in adults, although ocular manifestations of leukemia have been reported at presentation and are typically asymptomatic. PMID- 29200171 TI - Reduced Neutrophil Elastase Activity and Neutrophil Extracellular Traps in Pediatric Acute Myeloid Leukemia May Increase the Rate of Infections. AB - Data on the production of neutrophil extracellular traps (NETs) in leukemia patients are scant. Phagocytosis, hydrogen peroxide, neutrophil elastase and myeloperoxidase enzymatic activity as well as NETs formation were studied in 10 pediatric acute lymphoblastic leukemia and 7 pediatric acute myeloid leukemia (AML) patients after induction chemotherapy. Median neutrophil elastase activity and NETs formation were lower in AML versus acute lymphoblastic leukemia (41% vs. 90%, P=0.005 and 51% vs. 94%, P=0.008, respectively). AML patients had more episodes of febrile neutropenia during the first 2 blocks of treatment (100% vs. 40%, P=0.011) and a trend for more invasive bacterial and fungal infections. PMID- 29200172 TI - A Rare Case of Chronic Active Epstein-Barr Virus (EBV) Infection Accompanied by the Infiltration of EBV-infected CD8+ T Cells into the Muscle. AB - We describe a rare case of chronic active Epstein-Barr virus (CAEBV) infection, with infiltration of the skeletal muscle. A 19-year-old woman with swollen cervical lymph nodes and a fever was referred to our hospital. Swelling of the trapezium muscle and elevation of creatinine kinase level were observed. Biopsy results of the brachialis muscle revealed infiltration of Epstein-Barr virus (EBV)-encoded RNA-positive CD8 T lymphocytes. The EBV virus load in the peripheral blood was high, and EBV monoclonality was determined by Southern blot analysis. Owing to the rarity of CAEBV with skeletal muscle infiltration, this case alerts physicians to the potential diagnostic pitfalls of CAEBV. PMID- 29200174 TI - Predictability of Supine Radiographs for Determining In-Brace Correction for Adolescent Idiopathic Scoliosis. AB - STUDY DESIGN: Retrospective radiographic study. OBJECTIVE: To assess whether flexibility as revealed by the supine radiograph, predicts in-brace curve correction. SUMMARY OF BACKGROUND DATA: Currently there is no consensus regarding a standard method to assess curve flexibility and immediate brace effectiveness in treating adolescent idiopathic scoliosis (AIS). Brace fabrication methods may be variable but ideally it should achieve maximal curve correction. Curve flexibility governs the degree of curve correction in-brace and hence dynamic radiographs are commonly performed prior to brace fitting. METHODS: This was a radiographic analysis of AIS patients treated with underarm bracing. Correlation of pre-brace, supine, and immediate in-brace Cobb angles was performed. Relationship with possible contributing factors including age, sex, body height, weight, age at menarche and Risser staging was studied. Major and minor curves were compared independently for correlation but the regression model was constructed based on the major curve only. RESULTS: From 105 patients with mean age of 12.2 +/- 1.2 years at brace fitting, supine Cobb angle measurement has significant correlation with immediate in-brace Cobb angle (r = 0.740). Univariate analyses showed no significant relationship with age, weight, height, date of menarche, Risser stage or pre-brace Cobb angle. Our regression model (in brace Cobb angle = 0.809 * supine Cobb angle) had good fit of the data. CONCLUSION: Supine radiograph predictably determines the flexibility of the scoliotic curve to brace treatment. It can be used as a guideline to determine the amount of correction achievable with brace-wear. The effectiveness of the brace is dependent on the inherent flexibility of the curve rather than its size or type. LEVEL OF EVIDENCE: 3. PMID- 29200175 TI - How Do We Move Beyond Regression to the Mean?: Improving Health and Health Care. PMID- 29200173 TI - Medical Malpractice Claims Following Incidental Durotomy Due to Spinal Surgery. AB - STUDY DESIGN: Retrospective cohort study. OBJECTIVE: Analyze medical malpractice verdicts and settlements associated with incidental durotomy. SUMMARY OF BACKGROUND DATA: Incidental durotomy is a common complication of spine surgery. Although most intraoperative dural tears are repaired without sequelae, persistent Cerebrospinal Fluid leak, infection, or neurological injury can yield adverse outcomes. The medicolegal implications of incidental durotomy are poorly understood. METHODS: Three separate, large legal databases were queried for cases involving incidental durotomy. Case, plaintiff, procedure, and outcome characteristics were analyzed. RESULTS: In total, 48 dural tear-related medical malpractice cases were analyzed. Most cases (56.3%) resulted in a ruling in favor of the defendant physician. Most cases alleged neurological deficits (86.7%). A large majority of cases without neurological sequelae had an outcome in favor of the defendant (83.3%). For cases involving a payment, the average amount was $2,757,298 in 2016 adjusted dollars. Additional surgery was required in 56.3% of cases, a delay in diagnosis/treatment of durotomy was present in 43.8%, and alleged improper durotomy repair was present in 22.9%. A favorable outcome for the plaintiff was more likely in cases with versus without alleged delay in diagnosis/treatment (61.9% vs. 29.6%, P = 0.025) and improper durotomy repair technique (72.7% vs. 35.1%, P = 0.040). Repeat surgery was not associated with favorable outcome for the plaintiff (42.8% cases with reoperation vs. 38.1% without, P = 0.486). CONCLUSION: This analysis of durotomy-associated closed malpractice claims after spine surgery is the largest yet conducted. Durotomy cannot always be considered an entirely benign event, and these findings have several direct implications for clinicians: late-presenting or dehiscent durotomy may be associated with adverse outcomes and subsequent risk of litigation, timely reoperation in the event of durotomy-related complications may not increase surgeon liability, and spine surgeons should be prepared to defend their choice of durotomy repair technique, should dehiscence occur. LEVEL OF EVIDENCE: 3. PMID- 29200176 TI - Anatomical Study of a Novel Iliosacral Screw Placement for Sacrum-Pelvis in Adult Via Computed Tomography Reconstruction. AB - STUDY DESIGN: This is a cross-sectional study. OBJECTIVE: To investigate the feasibility and safety of a novel iliosacral screw placement for sacrum-pelvis in adult pelvis by computed tomography (CT) reconstruction. SUMMARY OF BACKGROUND DATA: The optimal technique of spino-pelvic fixation is still being developed and redefined. However, neither the relevant anatomic parameters nor the potential spinal canal involvement for a novel iliosacral screw placement have been clearly analyzed. METHODS: A total of 60 adults with normal pelvis, with the age ranging from 24 to 79 years old, were included in this study. Based on three-dimensional (3D) CT reconstruction of each pelvis, virtual iliosacral screw channel was identified bilaterally, the trajectory of which was characterized with the optimal width and length from the ilium to the sacrum. The virtual iliosacral screw channel that holding the greatest width and length of osseous channel was measured by rotating the 3D pelvis. Measurements of the determined channel on either side included iliosacral-screw-related and connector-related parameters. RESULTS: There was a virtual iliosacral screw channel passing through the ilium, the iliosacral joint and then into the sacrum on either side of each pelvis. The caudal angle, convergent angle, and maximal length were 16.3 +/- 3.0 degrees , 61.3 +/- 5.9 degrees , 97.0 +/- 5.6 mm in male, respectively. In female, they were 16.4 +/- 3.9 degrees , 63.0 +/- 5.5 degrees and 96.2 +/- 6.0 mm, respectively. The ideal direction of the connector was from posteromedial to anterolateral. The cephalad angle, divergent angle, and embedding depth of the connector were 28.0 +/- 5.7 degrees , 28.7 +/- 5.9 degrees and 19.0 +/- 2.9 mm in male, respectively. In female, they were 26.7 +/- 6.1 degrees , 27.0 +/- 5.5 degrees and 16.4 +/- 2.6 mm, respectively. CONCLUSION: It is safe and feasible to place the iliosacral screw when performing this novel instrumentation. Preoperative CT imaging and 3D reconstructions may help to determine the correct entry point and the trajectory of iliosacral screw. LEVEL OF EVIDENCE: 5. PMID- 29200177 TI - Effect of Body Mass on Oxygenation and Intra-Abdominal Pressure When Using a Jackson Surgical Table in the Prone Position During Lumbar Surgery. AB - STUDY DESIGN: Prospective observational study. OBJECTIVE: To test the hypothesis that different types of surgical frame and the patient's body mass index (BMI) can affect pulmonary compliance, intra-abdominal pressure (IAP), and oxygenation. SUMMARY OF BACKGROUND DATA: The oxygenation index (PaO2/FiO2) and IAP are known to be associated with BMI when patients are in the supine position. However, there are few reports on the correlation between BMI, the oxygenation index, and IAP in the prone position, especially when a Jackson surgical table is used. METHODS: Thirty-seven adult patients were divided into two groups according to BMI: normal-weight patients (n = 19, BMI: 18.5-24.9 kg m) and overweight patients (n = 18, BMI >= 25 kg m). After the induction of general anesthesia, patients were turned to the prone position onto either a Jackson surgical table (Mizuho OSI) or a general surgical table (MAQUET; foam pad, China). The patient's IAP, peak airway pressure, pulmonary dynamic compliance (Cdyn), and oxygenation index were recorded. RESULTS: In overweight patients, there was a greater increase in peak airway pressure and a greater decrease in Cdyn observed when a general surgical table was used compared with the Jackson surgical table. When the Jackson surgical table was used, there was a greater increase in the oxygenation index and a greater decrease in IAP. There was a significant negative correlation between the oxygenation index and BMI and a significant positive correlation between IAP and BMI in the prone position. CONCLUSION: Turning patients from the supine to the prone position during anesthesia results in an increase in the oxygenation index and a decrease in IAP. Both of these factors are dependent upon the type of surgical frame used and the patient's BMI. The reduction in IAP was particularly significant when a Jackson surgical table was used for overweight patients. LEVEL OF EVIDENCE: 4. PMID- 29200178 TI - Induction of chronic migraine phenotypes in a rat model after environmental irritant exposure. AB - Air pollution is linked to increased emergency department visits for headache and migraine patients frequently cite chemicals or odors as headache triggers, but the association between air pollutants and headache is not well understood. We previously reported that chronic environmental irritant exposure sensitizes the trigeminovascular system response to nasal administration of environmental irritants. Here, we examine whether chronic environmental irritant exposure induces migraine behavioral phenotypes. Male rats were exposed to acrolein, a transient receptor potential channel ankyrin-1 (TRPA1) agonist, or room air by inhalation for 4 days before meningeal blood flow measurements, periorbital cutaneous sensory testing, or other behavioral testing. Touch-induced c-Fos expression in trigeminal nucleus caudalis was compared in animals exposed to room air or acrolein. Spontaneous behavior and olfactory discrimination was examined in open-field testing. Acrolein inhalation exposure produced long-lasting potentiation of blood flow responses to a subsequent TRPA1 agonist and sensitized cutaneous responses to mechanical stimulation. C-Fos expression in response to touch was increased in trigeminal nucleus caudalis in animals exposed to acrolein compared with room air. Spontaneous activity in an open-field and scent preference behavior was different in acrolein-exposed compared with room air exposed animals. Sumatriptan, an acute migraine treatment blocked acute blood flow changes in response to TRPA1 or transient receptor potential vanilloid receptor-1 agonists. Pretreatment with valproic acid, a prophylactic migraine treatment, attenuated the enhanced blood flow responses observed after acrolein inhalation exposures. Environmental irritant exposure yields an animal model of chronic migraine in which to study mechanisms for enhanced headache susceptibility after chemical exposure. PMID- 29200179 TI - Structural and functional abnormalities of the insular cortex in trigeminal neuralgia: a multimodal magnetic resonance imaging analysis. AB - Trigeminal neuralgia (TN) is a chronic neuropathic pain disorder characterized by intense, lancinating attacks of facial pain. Increasing evidence suggests that TN is accompanied by abnormalities in brain morphology, white matter microstructure, and function. However, whether these abnormalities are linked or reflect independent etiologies remains unknown. Using multimodal magnetic resonance imaging data of 20 patients with TN and 21 healthy controls, we investigated cortical gyrification abnormalities, their relationships with abnormalities of the underlying white matter microstructure and gray matter morphology, as well as their functional significance in TN. Compared with controls, patients with TN showed significant local gyrification index (LGI) reductions predominantly in the left insular cortex, which were negatively correlated with pain intensity. In this cluster, patients with TN had concurrent cortical thickness reductions but unaltered cortical surface area. Meanwhile, LGI of this cluster was not correlated with overlying cortical thickness or surface area but was positively correlated with the fractional anisotropy of 2 nearby white matter clusters, suggesting that insular LGI reductions may be primarily driven by microstructural abnormalities of the underlying white matter tracts, rather than by abnormalities in cortical thickness and surface area. In addition, patients with TN exhibited increased insula functional connectivity to the left posterior cingulate cortex and thalamus, which was positively correlated with disease duration. These findings provide new evidence for the involvement of insular abnormalities in the pathophysiology of TN. PMID- 29200180 TI - Procedural pain and oral glucose in preterm neonates: brain development and sex specific effects. AB - Our objectives were to determine whether procedural pain and glucose exposure are associated with altered structural and functional brain development differently in preterm males and females, and neurodevelopment at 18-month corrected age. Fifty-one very preterm neonates (22 males; median [interquartile range] gestational age 27.6 [2.0] weeks) underwent 3 serial scans including T1-weighted and resting-state functional magnetic resonance imaging (MRI) at median postmenstrual weeks: 29.4, 31.9, and 41.1. Thalamus, basal ganglia, and total brain volumes were segmented. Functional resting-state MRI data were extracted from the independent-components maps. Pain was operationalized as the total number of neonatal intensive care unit-administered invasive procedures. Neurodevelopmental outcomes at 18-month corrected age were assessed with the Bayley Scales of Infant Development, second edition. Generalized estimating equations assessed the association of pain and glucose exposure with brain structural and functional development. More invasive procedures were independently associated with slower growth of thalamic (P < 0.001), basal ganglia (P = 0.028), and total brain volumes (P = 0.001), particularly in females. Similar relationships were observed between glucose exposure and brain volumes. Functional connectivity between thalamus and sensorimotor cortices was negatively associated with number of invasive procedures. Greater procedural pain and higher glucose exposure were related to poorer neurodevelopmental outcomes. These findings suggest that structural and functional brain development is vulnerable to procedural pain. Glucose used for analgesia does not appear to mitigate the adverse impact of pain on brain development. The vulnerability of brain development in females towards early pain is distinct from other neonatal morbidities. The link between pain and glucose with neurodevelopment suggests that these factors have long-lasting impact. PMID- 29200182 TI - Invasive Haemophilus Influenzae Type B Infections in Children with Cancer in the Era of Infant HIB Immunization Programs (1991-2014): A Report From the Canadian Immunization Monitoring Program Active. AB - We studied the epidemiology of Haemophilus influenzae type b infections among children with cancer admitted to Canadian pediatric hospitals. From 1991 to 2014, 13 cases among children with cancer were identified through active surveillance. Average age was 6.7 years. Six of 7 cases eligible for infant immunization were age-appropriately immunized (vaccine failures). Children with cancer may benefit from booster Hib immunization. PMID- 29200181 TI - Estimating minimally important differences for the PROMIS pain interference scales: results from 3 randomized clinical trials. AB - Minimally important difference (MID) refers to the smallest meaningful difference that carries implications for patient care. Minimally important differences are necessary to help interpret patient-reported pain outcomes in research and clinical practice. The PROMIS pain interference scales were validated across diverse samples; however, more information about their MIDs could improve their interpretability. The purpose of this study was to estimate MIDs for 4 fixed length PROMIS pain interference scales, including the 6-item Pain Short Form and the 4-, 6-, and 8-item pain interference scales used in the PROMIS profile instruments. Data were analyzed from 3 randomized controlled trials (N = 759). The 3 samples, respectively, consisted of patients with chronic low back pain (n = 261), chronic back pain or hip/knee osteoarthritis pain (n = 240), and a history of stroke (n = 258). For each sample, anchor- and distribution-based approaches were used to estimate MIDs. Standard error of measurement and effect sizes were used as distribution-based MID estimates. Anchor-based MID estimates were established by mapping PROMIS pain interference scores onto established anchor measures, including the Brief Pain Inventory, and retrospective and prospective global ratings of change. The distribution- and anchor-based MID estimates showed convergence. For the pain samples, MID estimates ranged from 2 to 3 T-score points. For the nonpain sample, MID estimates ranged from 3.5 to 4.5 T-score points. The MID estimates were comparable across the 4 fixed-length scales. These MIDs can be used to evaluate treatment effects in research and clinical care and to calculate estimates for powering clinical trials. PMID- 29200183 TI - Beyond Prevention of Vertical HIV Transmission - Improving Outcomes of HIV Uninfected Infants Born to Mothers with HIV Infection. PMID- 29200185 TI - Early Vaccine-type Pneumococcal Acute Otitis Media Does not Predispose to Subsequent Otitis When Compared With Early Acute Otitis Media Due to Other Bacterial Etiology. AB - BACKGROUND: Prevention of acute otitis media (AOM), and especially recurrence and biofilm formation, by pneumococcal conjugate vaccines has been hypothesized to be due to prevention of early episodes triggering the vicious cycle. We tested the specific role of vaccine-type pneumococcal AOM in this hypothesis. METHODS: In the phase III randomized, double-blind Finnish otitis media Vaccine Trial conducted in 1995-1999, children received pneumococcal conjugate vaccine 7 or hepatitis B vaccine as control at 2, 4, 6, and 12 months of age and were followed for AOM. Myringotomy with middle ear fluid aspiration was performed in AOM, and samples were cultured. We compared control-vaccinated children with confirmed vaccine-type or 6A-AOM with those with AOM due to other confirmed etiology within 2-6 months of age (early AOM) and followed for subsequent AOM from 6-24 months of age. RESULTS: Eight hundred thirty-one children were enrolled in the Finnish otitis media control arm. Before 6 months of age, 34 children experienced vaccine type-AOM, and 40 children experienced AOM of other bacterial etiology. The subsequent AOM incidences were 1.9 (95% CI, 1.5-2.4) and 2.1 (1.7-2.5) in these subgroups, respectively. However, the subsequent incidences were lower if no bacteria were detected at AOM (1.5, 1.2-1.8) or if there was no early AOM (1.1, 1.1-1.2). CONCLUSIONS: Early vaccine-type AOM was not associated with a higher risk of subsequent AOM compared with AOM due to other confirmed bacterial etiology. These data do not support any specific role of vaccine-type pneumococcus in the hypothesis. PMID- 29200184 TI - Structural Neuroimaging and Neuropsychologic Signatures in Children With Vertically Acquired HIV. AB - BACKGROUND: Children with vertically acquired HIV exhibit persistent cognitive impairments, yet the corresponding neuroimaging signature of vertical infection remains unclear. METHODS: Fifty healthy control children and 51 vertically infected children were included in the study. The HIV-infected group consisted of survivors who had not received antiretroviral therapy at birth. The HIV-infected group averaged 11.4 (2.5) years of age, with a median CD4 count of 683 cells/mm. Most (71%) of the HIV-infected children were on antiretroviral therapy for a median of 34 months (range: 33-42) with HIV RNA <40 copies/mL in 89% of the sample. The HIV-uninfected group averaged 10.6 (2.6) years of age. Magnetic resonance imaging was acquired to determine volumes of the caudate, putamen, thalamus, pallidum, hippocampus, nucleus accumbens, total white matter, total gray matter and cortical gray matter. Correlational analyses examined the degree of shared variance between brain volumes and both cognitive performances and laboratory markers of disease activity (T cells and plasma viral load). RESULTS: HIV-infected children exhibited larger volumes of the caudate, nucleus accumbens, total gray matter and cortical gray matter when compared with the controls. Volumetric differences were predominately evident in children under 12 years of age. HIV-infected children performed worse than controls on most neuropsychologic tests, though neither cognitive performances nor laboratory markers corresponded to brain volumes in the HIV-infected children. CONCLUSIONS: Outcomes of the present study suggest abnormal brain maturation among HIV-infected pediatric survivors. Longitudinal studies of brain integrity and related resilience factors are needed to determine the impact of neuroimaging abnormalities on psychosocial function in pediatric HIV. PMID- 29200186 TI - Potentially Traumatic Events and Job Satisfaction: A Prospective Population-Based Comparative Study. AB - OBJECTIVE: The aim of this study was to examine the effects of potentially traumatic events (PTEs), posttraumatic stress symptoms (PTSS), and coping self efficacy (CSE) on post-event job satisfaction. METHODS: Repeated analysis of variance (ANOVA) was used to assess differences in the course of job satisfaction during 1 year between population-based samples of affected and nonaffected workers. Multivariate regression analyses were conducted with pre-event health, job satisfaction and insecurity, and postevent PTSS and CSE as predictors. RESULTS: About 16% of the affected workers had probable PTSD. The course of job satisfaction between affected (n = 123) and nonaffected workers (n = 644) did not differ significantly. PTSS and CSE did not independently predict post-event satisfaction, in contrast to pre-event job satisfaction. CONCLUSION: Findings suggest that when needed social support is provided, concerns about the negative effects of potentially traumatic events on job satisfaction could be somewhat relaxed. PMID- 29200187 TI - The Combined Effect of Long Working Hours and Low Job Control on Self-Rated Health: An Interaction Analysis. AB - OBJECTIVES: The aim of this study was to investigate the combined effects of long working hours and low job control on self-rated health. METHODS: We analyzed employees' data obtained from the third Korean Working Conditions Survey (KWCS). Multiple survey logistic analysis and postestimation commands were employed to estimate the relative excess risk due to interaction (RERI). RESULTS: The odds ratio (OR) for poor self-rated health was 1.24 [95% confidence interval (95% CI): 1.13 to 1.35] for long working hours, 1.04 (95% CI: 0.97 to 1.13) for low job control, and 1.47 (95% CI: 1.33 to 1.62) for both long working hours and low job control. The RERI was 0.18 (95% CI: 0.02 to 0.34). CONCLUSION: These results imply that low job control may increase the negative influence of long working hours on self-rated health. PMID- 29200188 TI - The Measurable Benefits of a Workplace Wellness Program in Canada: Results After One Year. AB - OBJECTIVE: The aim of this study was to evaluate the impact of an employee wellness program in Canada. METHODS: A comprehensive program including web-based lifestyle challenges was evaluated with annual health screenings. RESULTS: Among 730 eligible employees, 688 (94%) registered for the program, 571 (78%) completed a health screening at baseline, and 314 (43%) at 1 year. Most (66%) employees tracked their activity for more than 6 weeks. At 1-year follow-up, there were significant clinical improvements in systolic blood pressure -3.4 mm Hg, and reductions in poor sleep quality (33% to 28%), high emotional stress (21% to 15%), and fatigue (11% to 6%). A positive dose-response was noted where the greatest improvements were observed among those who participated the most. CONCLUSION: The program had high employee engagement. After 1 year, the benefits included clinically important improvements in physical and mental health. PMID- 29200189 TI - Medical Surveillance for Hazardous Drugs: A Qualitative Assessment of Current Practices. AB - OBJECTIVE: The National Institute for Occupational Safety and Health recommends that institutions establish a medical surveillance program for workers who handle hazardous drugs. Our aim was to investigate current practices with occupational medicine practice (OMP) national leaders. METHODS: A series of qualitative telephone interviews were conducted with 11 OMP national leaders from medical centers in 10 states. Interviews were recorded, transcribed, and coded using a directed content analysis. Codes were organized into themes. RESULTS: All respondents were board-certified physicians in medical center OMP. Interviews up to 45 minutes found three themes: policy interpretation, benefits and barriers to surveillance, and potential respondent-generated solutions. Three of 10 medical centers provided medical surveillance. CONCLUSIONS: Medical surveillance for hazardous drugs is infrequent, and consensus is lacking regarding standard practices. Further work is needed to minimize risk to health care workers. PMID- 29200191 TI - Determination of Thresholds of Radioactive Iodine Uptake Response With Clinical Exposure to Perchlorate: A Pooled Analysis. AB - OBJECTIVE: To conduct a more robust examination of perchlorate exposure on iodide uptake inhibition (IUI) using pooled data from four clinical studies of perchlorate exposure. METHODS: To establish a response threshold for IUI, data were analyzed using segmented linear regression and benchmark dose (BMD) analysis. RESULTS: Segmented linear regression applied to data for 69 subjects representing nine doses identified a breakpoint corresponding to a change in the slope of the dose-response relationship of 3.0 mg/d perchlorate. The estimated BMD for a 20% decrease in iodine uptake was 2.3 mg/d, with a lower 95% confidence interval limit of 1.6 mg/d. CONCLUSIONS: A threshold dose for IUI from perchlorate exposure of 1.6 to 3.0 mg/d (0.021 to 0.038 mg/kg d) was estimated using two modeling approaches. These estimates are slightly higher than the lowest observed effect level of 0.02 mg/kg d from the Greer Study. PMID- 29200190 TI - Libby Amphibole Disease: Pulmonary Function and CT Abnormalities in Vermiculite Miners. AB - OBJECTIVE: This article describes radiologic and pulmonary function findings among miners exposed to Libby amphibole. Computed tomography (CT) permits the detection of the characteristic thin, lamellar pleural thickening (LPT). METHODS: Individuals who worked at the mine for a minimum of 6 months had chest CT and pulmonary function tests. RESULTS: Pleural thickening was noted in 223 (87%) of the 256 miners, parenchymal abnormalities in 49 (19%). LPT, found in 151 (68%), was associated with low values of forced vital capacity and diffusion capacity and significantly lower values in all pulmonary function tests when associated with parenchymal abnormalities. CONCLUSION: Eighty-seven percent of miners exposed to Libby Amphibole had pleural abnormalities on CT. LPT alone, and more so with parenchymal abnormalities, resulted in decreased pulmonary function. The importance of this easily missed LPT is demonstrated by its high frequency and significant functional effects. PMID- 29200192 TI - The Associations of Multimorbidity With Health-Related Productivity Loss in a Large and Diverse Public Sector Setting: A Cross-Sectional Survey. AB - OBJECTIVE: To evaluate absenteeism, presenteeism, and total lost productive time (LPT) associated with multimorbidity. METHODS: Cross-sectional data from 3228 state-government employees from Tasmania were collected in 2013. The validated measures of absenteeism, presenteeism, and LPT were obtained from employees' self reported data over a 28-day period. Analyses were stratified by sex. Negative binomial models were used to estimate the associations between multimorbidity and LPT. RESULTS: The average health-related total LPT was 1.2 (standard deviation [SD] = 2.4) and 1.7 (SD = 3.5) days for men and women with multimorbidity, respectively. Women (rate ratio [RR] = 2.9, 95% confidence interval [CI] 1.8 to 4.9) and men (RR = 4.4, 95%CI 3.0 to 6.2) with 4+ chronic conditions were significantly more likely to report LPT compared with those without any chronic conditions. CONCLUSION: We found multimorbidity is of concern within the workforce, with a positive association of multimorbidity and LPT observed, and significant differences in LPT between men and women reporting multimorbidity. PMID- 29200193 TI - Immunogenetic factors driving formation of ultralong VH CDR3 in Bos taurus antibodies. AB - The antibody repertoire of Bos taurus is characterized by a subset of variable heavy (VH) chain regions with ultralong third complementarity determining regions (CDR3) which, compared to other species, can provide a potent response to challenging antigens like HIV env. These unusual CDR3 can range to over seventy highly diverse amino acids in length and form unique beta-ribbon 'stalk' and disulfide bonded 'knob' structures, far from the typical antigen binding site. The genetic components and processes for forming these unusual cattle antibody VH CDR3 are not well understood. Here we analyze sequences of Bos taurus antibody VH domains and find that the subset with ultralong CDR3 exclusively uses a single variable gene, IGHV1-7 (VHBUL) rearranged to the longest diversity gene, IGHD8-2. An eight nucleotide duplication at the 3' end of IGHV1-7 encodes a longer V region producing an extended F beta-strand that contributes to the stalk in a rearranged CDR3. A low amino acid variability was observed in CDR1 and CDR2, suggesting that antigen binding for this subset most likely only depends on the CDR3. Importantly a novel, potentially AID mediated, deletional diversification mechanism of the B. taurus VH ultralong CDR3 knob was discovered, in which interior codons of the IGHD8-2 region are removed while maintaining integral structural components of the knob and descending strand of the stalk in place. These deletions serve to further diversify cysteine positions, and thus disulfide bonded loops. Hence, both germline and somatic genetic factors and processes appear to be involved in diversification of this structurally unusual cattle VH ultralong CDR3 repertoire.Cellular and Molecular Immunology advance online publication, 4 December 2017; doi:10.1038/cmi.2017.117. PMID- 29200194 TI - Recent advances in regulatory T cells induced by B cells. PMID- 29200195 TI - Sub-nanometre channels embedded in two-dimensional materials. AB - Two-dimensional (2D) materials are among the most promising candidates for next generation electronics due to their atomic thinness, allowing for flexible transparent electronics and ultimate length scaling. Thus far, atomically thin p n junctions, metal-semiconductor contacts, and metal-insulator barriers have been demonstrated. Although 2D materials achieve the thinnest possible devices, precise nanoscale control over the lateral dimensions is also necessary. Here, we report the direct synthesis of sub-nanometre-wide one-dimensional (1D) MoS2 channels embedded within WSe2 monolayers, using a dislocation-catalysed approach. The 1D channels have edges free of misfit dislocations and dangling bonds, forming a coherent interface with the embedding 2D matrix. Periodic dislocation arrays produce 2D superlattices of coherent MoS2 1D channels in WSe2. Using molecular dynamics simulations, we have identified other combinations of 2D materials where 1D channels can also be formed. The electronic band structure of these 1D channels offers the promise of carrier confinement in a direct-gap material and the charge separation needed to access the ultimate length scales necessary for future electronic applications. PMID- 29200196 TI - Topological order and thermal equilibrium in polariton condensates. AB - The Berezinskii-Kosterlitz-Thouless phase transition from a disordered to a quasi ordered state, mediated by the proliferation of topological defects in two dimensions, governs seemingly remote physical systems ranging from liquid helium, ultracold atoms and superconducting thin films to ensembles of spins. Here we observe such a transition in a short-lived gas of exciton-polaritons, bosonic light-matter particles in semiconductor microcavities. The observed quasi-ordered phase, characteristic for an equilibrium two-dimensional bosonic gas, with a decay of coherence in both spatial and temporal domains with the same algebraic exponent, is reproduced with numerical solutions of stochastic dynamics, proving that the mechanism of pairing of the topological defects (vortices) is responsible for the transition to the algebraic order. This is made possible thanks to long polariton lifetimes in high-quality samples and in a reservoir free region. Our results show that the joint measurement of coherence both in space and time is required to characterize driven-dissipative phase transitions and enable the investigation of topological ordering in open systems. PMID- 29200197 TI - Control of piezoelectricity in amino acids by supramolecular packing. AB - Piezoelectricity, the linear relationship between stress and induced electrical charge, has attracted recent interest due to its manifestation in biological molecules such as synthetic polypeptides or amino acid crystals, including gamma (gamma) glycine. It has also been demonstrated in bone, collagen, elastin and the synthetic bone mineral hydroxyapatite. Piezoelectric coefficients exhibited by these biological materials are generally low, typically in the range of 0.1-10 pm V-1, limiting technological applications. Guided by quantum mechanical calculations we have measured a high shear piezoelectricity (178 pm V-1) in the amino acid crystal beta (beta) glycine, which is of similar magnitude to barium titanate or lead zirconate titanate. Our calculations show that the high piezoelectric coefficients originate from an efficient packing of the molecules along certain crystallographic planes and directions. The highest predicted piezoelectric voltage constant for beta-glycine crystals is 8 V mN-1, which is an order of magnitude larger than the voltage generated by any currently used ceramic or polymer. PMID- 29200199 TI - Programmable full-adder computations in communicating three-dimensional cell cultures. AB - Synthetic biologists have advanced the design of trigger-inducible gene switches and their assembly into input-programmable circuits that enable engineered human cells to perform arithmetic calculations reminiscent of electronic circuits. By designing a versatile plug-and-play molecular-computation platform, we have engineered nine different cell populations with genetic programs, each of which encodes a defined computational instruction. When assembled into 3D cultures, these engineered cell consortia execute programmable multicellular full-adder logics in response to three trigger compounds. PMID- 29200198 TI - NetSig: network-based discovery from cancer genomes. AB - Methods that integrate molecular network information and tumor genome data could complement gene-based statistical tests to identify likely new cancer genes; but such approaches are challenging to validate at scale, and their predictive value remains unclear. We developed a robust statistic (NetSig) that integrates protein interaction networks with data from 4,742 tumor exomes. NetSig can accurately classify known driver genes in 60% of tested tumor types and predicts 62 new driver candidates. Using a quantitative experimental framework to determine in vivo tumorigenic potential in mice, we found that NetSig candidates induce tumors at rates that are comparable to those of known oncogenes and are ten-fold higher than those of random genes. By reanalyzing nine tumor-inducing NetSig candidates in 242 patients with oncogene-negative lung adenocarcinomas, we find that two (AKT2 and TFDP2) are significantly amplified. Our study presents a scalable integrated computational and experimental workflow to expand discovery from cancer genomes. PMID- 29200200 TI - Wogonin protects against cisplatin-induced acute kidney injury by targeting RIPK1 mediated necroptosis. AB - Acute kidney injury (AKI), characterized by aggressive inflammatory responses and destruction of renal resident cells, can cause abrupt kidney dysfunction. To date, effective therapy for AKI is lacking. In this study, we evaluated the renoprotective effect of wogonin, an herbal active compound, using a cisplatin induced AKI mouse model. In vivo results show that wogonin substantially suppressed the increased levels of serum creatinine and blood urea nitrogen (BUN) almost to the normal level. Wogonin also attenuated tubular damage, shown by PAS staining, electron microscopy and molecular analysis of KIM-1. In addition, wogonin suppressed kidney inflammation as indicated by a >60% decrease in macrophage infiltration, a >50% reduction in inflammatory cytokine production and inhibited NF-kappaB activation in the injured kidney. Mechanistically, molecular docking results show that wogonin effectively inhibited RIPK1 by occupying the ATP-binding pocket of the enzyme, which is a key regulator of necroptosis. Moreover, inhibition of RIPK1, or RIPK3, reversed the protective effects of wogonin in cisplatin-treated HK2 cells, indicating wogonin works in a RIPK1/RIPK3 dependent manner. Surprisingly, wogonin enhanced the anti-proliferative effect of cisplatin on human hepatoma HepG2 cells. Thus, our findings suggest wogonin may be a renoprotective adjuvant for cisplatin-based anticancer therapy. PMID- 29200201 TI - The actions of NME1/NDPK-A and NME2/NDPK-B as protein kinases. AB - Nucleoside diphosphate kinases (NDPKs) are multifunctional proteins encoded by the nme (non-metastatic cells) genes, also called NM23. NDPKs catalyze the transfer of gamma-phosphate from nucleoside triphosphates to nucleoside diphosphates by a ping-pong mechanism involving the formation of a high-energy phosphohistidine intermediate. Growing evidence shows that NDPKs, particularly NDPK-B, can additionally act as a protein histidine kinase. Protein kinases and phosphatases that regulate reversible O-phosphorylation of serine, threonine, and tyrosine residues have been studied extensively in many organisms. Interestingly, other phosphoamino acids histidine, lysine, arginine, aspartate, glutamate, and cysteine exist in abundance but remain understudied due to the paucity of suitable methods and antibodies. The N-phosphorylation of histidine by histidine kinases via the two- or multi-component signaling systems is an important mediator in cellular responses in prokaryotes and lower eukaryotes, like yeast, fungi, and plants. However, in vertebrates knowledge of phosphohistidine signaling has lagged far behind and the identity of the protein kinases and protein phosphatases involved is not well established. This article will therefore provide an overview of our current knowledge on protein histidine phosphorylation particularly the role of nm 23 gene products as protein histidine kinases. PMID- 29200202 TI - Advances in development of new tools for the study of phosphohistidine. AB - Protein phosphorylation is an important post-translational modification that is an integral part of cellular function. The O-phosphorylated amino-acid residues, such as phosphoserine (pSer), phosphothreonine (pThr) and phosphotyrosine (pTyr), have dominated the literature while the acid labile N-linked phosphorylated amino acids, such as phosphohistidine (pHis), have largely been historically overlooked because of the acidic conditions routinely used in amino-acid detection and analysis. This review highlights some misinterpretations that have arisen in the existing literature, pinpoints outstanding questions and potential future directions to clarify the role of pHis in mammalian signalling systems. Particular emphasis is placed on pHis isomerization and the hybrid functionality for both pHis and pTyr of the proposed tau-pHis analogue bearing the triazole residue. PMID- 29200203 TI - miR-200b/c attenuates lipopolysaccharide-induced early pulmonary fibrosis by targeting ZEB1/2 via p38 MAPK and TGF-beta/smad3 signaling pathways. AB - Pulmonary fibrosis triggered during the early stage of acute respiratory distress syndrome (ARDS) contributes to poor prognosis in patients. However, whether microRNAs (miRNAs) can serve as therapeutic targets for early pulmonary fibrosis during ARDS is still largely unknown. In this study, we evaluated the effects and mechanisms of miR-200s and its targets ZEB1/2 in lung tissue. An early pulmonary fibrosis mouse model caused by ARDS was established via a lipopolysaccharide (LPS) three-hit regimen. Lentiviral packaged miR-200b/c cDNA or ZEB1/2 shRNA was intratracheally administered into the lungs of C57BL/6 mice 1 day before an LPS injection was administered. In vitro, following a 30-min pretreatment with miR 200b/c or SB203580/SIS3, RLE-6TN cells were stimulated by LPS or LPS + transforming growth factor-beta (TGF-beta) for 24 h. miR-200b/c and E-cadherin protein expression declined, whereas ZEB1/2 mRNA and protein and vimentin and alpha-smooth muscle actin (alpha-SMA) protein levels gradually increased during the development of pulmonary fibrosis. Furthermore, both the overexpression of miR-200b/c and the silencing of ZEB1/2 significantly alleviated pulmonary inflammation and fibrosis, reduced vimentin and alpha-SMA expression, and increased E-cadherin protein levels. In RLE-6TN cells, LPS combined with TGF-beta exerts synergistic effects of increasing vimentin and alpha-SMA protein levels, increasing p38 and smad3 phosphorylation and reducing E-cadherin protein levels, which were reversed by pretreatment with miR-200b/c or SB203580/SIS3. Our findings demonstrate that miR-200b/c was downregulated, whereas ZEB1/2 was upregulated in the development of LPS-induced early pulmonary fibrosis. miR 200b/c exerts a protective effect by targeting ZEB1/2, which may be associated with the inhibition of p38 MAPK and TGF-beta /smad3 signaling pathways. PMID- 29200204 TI - Thyroid hormone inhibits lung fibrosis in mice by improving epithelial mitochondrial function. AB - Thyroid hormone (TH) is critical for the maintenance of cellular homeostasis during stress responses, but its role in lung fibrosis is unknown. Here we found that the activity and expression of iodothyronine deiodinase 2 (DIO2), an enzyme that activates TH, were higher in lungs from patients with idiopathic pulmonary fibrosis than in control individuals and were correlated with disease severity. We also found that Dio2-knockout mice exhibited enhanced bleomycin-induced lung fibrosis. Aerosolized TH delivery increased survival and resolved fibrosis in two models of pulmonary fibrosis in mice (intratracheal bleomycin and inducible TGF beta1). Sobetirome, a TH mimetic, also blunted bleomycin-induced lung fibrosis. After bleomycin-induced injury, TH promoted mitochondrial biogenesis, improved mitochondrial bioenergetics and attenuated mitochondria-regulated apoptosis in alveolar epithelial cells both in vivo and in vitro. TH did not blunt fibrosis in Ppargc1a- or Pink1-knockout mice, suggesting dependence on these pathways. We conclude that the antifibrotic properties of TH are associated with protection of alveolar epithelial cells and restoration of mitochondrial function and that TH may thus represent a potential therapy for pulmonary fibrosis. PMID- 29200205 TI - Amyloid-beta plaques enhance Alzheimer's brain tau-seeded pathologies by facilitating neuritic plaque tau aggregation. AB - Alzheimer's disease (AD) is characterized by extracellular amyloid-beta (Abeta) plaques and intracellular tau inclusions. However, the exact mechanistic link between these two AD lesions remains enigmatic. Through injection of human AD brain-derived pathological tau (AD-tau) into Abeta plaque-bearing mouse models that do not overexpress tau, we recapitulated the formation of three major types of AD-relevant tau pathologies: tau aggregates in dystrophic neurites surrounding Abeta plaques (NP tau), AD-like neurofibrillary tangles (NFTs) and neuropil threads (NTs). These distinct tau pathologies have different temporal onsets and functional consequences on neural activity and behavior. Notably, we found that Abeta plaques created a unique environment that facilitated the rapid amplification of proteopathic AD-tau seeds into large tau aggregates, initially appearing as NP tau, which was followed by the formation and spread of NFTs and NTs, likely through secondary seeding events. Our study provides insights into a new multistep mechanism underlying Abeta plaque-associated tau pathogenesis. PMID- 29200206 TI - Discovery and characterization of highly potent and selective allosteric USP7 inhibitors. AB - Given the importance of ubiquitin-specific protease 7 (USP7) in oncogenic pathways, identification of USP7 inhibitors has attracted considerable interest. Despite substantial efforts, however, the development of validated deubiquitinase (DUB) inhibitors that exhibit drug-like properties and a well-defined mechanism of action has proven particularly challenging. In this article, we describe the identification, optimization and detailed characterization of highly potent (IC50 < 10 nM), selective USP7 inhibitors together with their less active, enantiomeric counterparts. We also disclose, for the first time, co-crystal structures of a human DUB enzyme complexed with small-molecule inhibitors, which reveal a previously undisclosed allosteric binding site. Finally, we report the identification of cancer cell lines hypersensitive to USP7 inhibition (EC50 < 30 nM) and demonstrate equal or superior activity in these cell models compared to clinically relevant MDM2 antagonists. Overall, these findings demonstrate the tractability and druggability of DUBs, and provide important tools for additional target validation studies. PMID- 29200208 TI - [Balances, decrees, previsions, provocations]. PMID- 29200207 TI - Human antibody-based chemically induced dimerizers for cell therapeutic applications. AB - Chemically induced dimerizers (CIDs) have emerged as one of the most powerful tools for artificially regulating signaling pathways in cells; however, currently available CID systems lack the properties desired for use in regulating cellular therapies. Here, we report the development of human antibody-based chemically induced dimerizers (AbCIDs) from known small-molecule-protein complexes by selecting for synthetic antibodies that recognize the chemical epitope created by the bound small molecule. We demonstrate this concept by generating three antibodies that are highly selective for the BCL-xL-ABT-737 complex compared to BCL-xL alone. We show the potential of AbCIDs for application in regulating human cell therapies by using them to induce CRISPRa-mediated gene expression and to regulate CAR T-cell activation. We believe that the AbCIDs generated in this study will find application in regulating cell therapies and that the general method of AbCID development may lead to the creation of many new and orthogonal CIDs. PMID- 29200209 TI - [Nursing sensitive outcomes and staffing: a review on healthcare associated infection]. AB - : . Nursing sensitive outcomes and staffing: a review on healthcare associated infection. INTRODUCTION: Healthcare associated infections (HAI) continue to be an unresolved problem in hospital settings. AIM: To assess the relationship between nurse staffing and healthcare associated infections in different settings. METHODS: From April to May 2015 a review of literature was conducted consulting PubMed, CINAHL and Cochrane Library. RESULTS: An increased amount of Registered Nurse Hours Per Patient Day (RNHPPD) and nurse-to-patient ratio was associated to a decreased occurrence of HAI. In particular an increase of RNHPPD was associated to a reduction of postoperative (OR 0.83, IC95% 0.0.70-0.99), and ventilator associated pneumonia (OR 0.21, IC95% 0.08-0.53). Even the number of urinary tract infections (-34%) and sepsis (OR 0.54, IC95%: 0.31-0.92) decreased significantly. The most significant results associated to an increase of HPPD were obtained in intensive care units. CONCLUSIONS: The review showed the correlations between nurse staffing and the most frequent HAIs. Nursing managers should be aware of the adequate nurse-to-patient ratios and skill-mix in order to inform decision making and improve the quality and safety of patients care. PMID- 29200210 TI - [Prospective assessment of the agreement of instruments for measuring the hospital nursing workload: the Swiss Method, the Karnofsky Performance Status Scale and the subjective perception of the nurses]. AB - : . Prospective assessment of the agreement of instruments for measuring the hospital nursing workload: the Swiss Method, the Karnofsky Performance Status Scale and the subjective perception of the nurses. INTRODUCTION: An emerging need of all healthcare organizations is the availability of reliable measures of nursing workload and underlines the problem of the choice of reliable criteria and scores. AIM: To assess the agreement between Swiss Method (SM), Karnofsky Performance Status Scale (K) and Subjective Perception (SP) of nurses in defining the nursing workload. METHODS: A prospective observational study was conducted throught computerized compilation of the three scales for each patient in 21 consecutive days, in a large specialized hospital. Nurses were asked to rate the average nursing workload in the last 24 hours. The scales were compared through Cohen's Kappa across different sets of patients. RESULTS: The data were collected for 7.810 patient days on 1.187 patients. At different levels of aggregation there was a strong heterogeneity between the care-related profiles and the levels of concordance that rarely exceeded the "discreet" level. However a reasonable agreement was obtained between K and SP in medical and surgical wards. The formal comparison of the three scales makes it impossible to formulate a preferential judgment for any of the three. CONCLUSIONS: Measuring phenomena such as workload requires reliable instruments targeted for specific contexts and to the aims results will be used for. The study directly compared on a hospital representative sample the results of the adoption of instruments- expected to be eterogeneous- and often used to guide the allocation of human and material resources. PMID- 29200211 TI - [The bedside handover: the experience of the heart and vascular surgery of Trento hospital]. AB - : . The bedside handover: the experience of the heart and vascular surgery of Trento hospital. INTRODUCTION: The bedside handover (BH) increases the patients and nurses' satisfaction. AIMS: To describe the implementation of the BH in two wards of a large hospital in Trento. METHODS: The BH was initially implemented in the morning shift, and then extended to the other shifts. Patients' satisfaction was measured by interviewing 13 patients after one and 6 months; nurses satisfaction and opinions were collected with focus groups. The BHs were monitored by the head nurse and in a sample of BHs the contents and nurses behaviors were observed. RESULTS: The patients appreciated the BH and feel more involved in their care; the nurses did not report major problems in introducing the BH, however, some aspects need improvement such as nurses' introduction to the patient and the identification of potential patients problems. Nurses' skill in organizing the information increased. The duration of the handover time did not increase, however, the two teams need to overlap for 30 minutes. CONCLUSIONS: BH can be implemented if an organizational support is guaranteed. PMID- 29200212 TI - [A methodological birthday: NHS 1978-2018]. PMID- 29200213 TI - [The medical use of Cannabis]. PMID- 29200214 TI - [Skin toxicity of monoclonal antibodies]. PMID- 29200215 TI - [Handshaking forbidden in hospitals]. PMID- 29200217 TI - Nonadiabatic rotational states of the hydrogen molecule. AB - We present a new computational method for the determination of energy levels in four-particle systems like H2, HD, and HeH+ using explicitly correlated exponential basis functions and analytic integration formulas. In solving the Schrodinger equation, no adiabatic separation of the nuclear and electronic degrees of freedom is introduced. We provide formulas for the coupling between the rotational and electronic angular momenta, which enable calculations of arbitrary rotationally excited energy levels. To illustrate the high numerical efficiency of the method, we present the results for various states of the hydrogen molecule. The relative accuracy to which we determined the nonrelativistic energy reached the level of 10-12-10-13, which corresponds to an uncertainty of 10-7-10-8 cm-1. PMID- 29200218 TI - Optically controlled reversible protein hydrogels based on photoswitchable fluorescent protein Dronpa. AB - Exploiting the optically controlled association and dissociation behavior of a photoswitchable fluorescent protein, Dronpa145N, here we demonstrate the engineering of an optically switchable reversible protein hydrogel using Dronpa145N-based protein building blocks. Our results open the possibility to optically tune the mechanical, chemical and structural properties of protein hydrogels. PMID- 29200219 TI - Ordering of lipid membranes altered by boron nitride nanosheets. AB - Boron nitride nanosheets are novel promising nanomaterials with a lower cytotoxicity than graphene making them a better candidate for biomedical applications. However, there is no systematic study on how they interact with cell membranes. Here we employed large scale all-atom molecular dynamics simulations to provide molecular details of the structure and properties of membranes after the insertion of boron nitride nanosheets. Our results reveal that the boron nitride nanosheet can extract phospholipids from the lipid bilayers and is enveloped by the membrane. Afterwards, the acyl chains of lipid molecules re-orient and become more ordered. As a result, a fluid to gel phase transition occurs in the 1,2-dimyristoyl-sn-glycero-3-phosphocholine bilayer. Consequently, the bending moduli of the bilayers increase, and the diffusivity of the individual lipid molecule decreases. These changes will affect relevant cellular activities, such as endocytosis and signal transduction. Our study provides novel insights into the biocompatibility and cytotoxicity of boron nitride nanosheets, which may facilitate the design of safer nanocarriers, antibiotics and other bio-nanotechnology applications. PMID- 29200220 TI - A hybrid functional study of native point defects in Cu2SnS3: implications for reducing carrier recombination. AB - The native point defects in the earth-abundant solar material Cu2SnS3 are studied using the hybrid functional. To generate more accurate formation energies of defects, the extended Freysoldt, Neugebauer, and Van de Walle (FNV) method is used for finite-size corrections in the charged supercell calculations. According to the calculated defect energetics, it is found that the usual experimental conditions can lead to abundant deep centers that deteriorate solar cell performance. To reduce the carrier recombination caused by the deep centers, Sn rich and S-poor conditions should be attempted. The present calculations also give satisfactory explanations for a recent experimental work on the defect levels in Cu2SnS3. PMID- 29200222 TI - Passivation of the surface imperfection of TiO2 by using ZIF-8 for efficient carrier separation/transfer. AB - Photoelectrochemical (PEC) water splitting offers a promising chance for energy generation on a global scale. TiO2 is a widely used photoanode material due to its superior properties and stability. However, the PEC efficiency of TiO2 is usually impeded by the fast recombination of photo-generated electron/hole pairs and the poor charge transfer ability that could be improved by band alignment and imperfection passivation, respectively. Herein, we first report that ZIF-8 is an efficient imperfection passivating layer which acts as a bifunctional cocatalyst for transferring/separating electron/hole pairs for improving the photo/photoelectrochemical performance. This work provides a new insight to investigate the charge interaction mechanism between the interface of TiO2 and ZIF-8. PMID- 29200221 TI - Highly sensitive and selective detection of Pd2+ ions using a ferrocene-rhodamine conjugate triple channel receptor in aqueous medium and living cells. AB - Herein, a novel ferrocene-rhodamine receptor conjugated with an allylimine bridge was facilely synthesized. This triple channel receptor can selectively and sensitively monitor Pd2+ ions through chromogenic, fluorogenic and electrochemical assays in aqueous medium with a low detection limit (8.46 * 10-9 M) and a fast response (<8 min). It can be applied as a fluorescent probe for effective survey of Pd2+ ions in living cells. Moreover, a plausible recognition mode was proposed and rationalized by theoretical calculations. PMID- 29200223 TI - Oxidation catalyst obtained by the immobilization of layered double hydroxide/Mn(iii) porphyrin on monodispersed silica spheres. AB - Several functional hybrid materials have been reported as immobilized porphyrin derivatives in various organic and inorganic host materials (polymers, mineral clays, silica, etc.), with potential applications in various fields, such as photochemistry, electrochemistry and heterogeneous catalysis. Layered double hydroxides (LDHs), commonly known as hydrotalcite-like materials, have also been analyzed for use as supports for metallocomplexes. Recently, nanocomposite materials with a core-shell structure produced by combining two kinds of nanometer-size materials have received considerable attention, since the use of these materials is a promising strategy to prevent the aggregation and self oxidation of molecules, reducing the catalytic activity. In this study, monodispersed hierarchical layered double hydroxides on silica spheres (LDH@SiO2) with core-shell structures were developed for metalloporphyrin immobilization and the materials were used as the oxidant catalysts of different substrates. PMID- 29200224 TI - Controlling the emission in flexibly-linked (N^C^N)platinum dyads. AB - The synthesis, spectroscopic and theoretical characterizations of dinuclear Pt(ii) complexes where the two chromophoric units are connected though a polyether chain via either the central benzene ring of the tridentate ligand dpyb (Pt-2), or the phenylacetylide ligand (Pt-3), are described. The spacer, which contains four oxyethylene -CH2CH2O- units, is flexible and long enough to allow a self-association of the Pt units by folding, as shown by DFT calculations. Comparison of the photophysical properties of the dinuclear complex Pt-2 with those of the mononuclear complex Pt-1, used as reference, demonstrates the key role played by the linker group in the interaction processes. In addition, the emission of complex Pt-2 was found to be affected by the temperature, nature of the solvent, and cation coordination as evidenced by luminescence and 1H NMR studies. The interacting processes are highly dependent on the solvent polarity that controls the - extended vs folded - arrangement and, consequently, induces solvatochromic shifts. This unique photophysical behavior of Pt-2 allows the modulation of the emission from green to deep-red (up to 125 nm) over the visible part of the spectrum. By contrast, complex Pt-3 has a high propensity to form a red-shifted intense emissive excimer. DFT and TD-DFT investigations of the excimers in Pt-2 and Pt-3 consistently show a much stronger interaction in the latter complex. PMID- 29200216 TI - High performance affinity chromatography and related separation methods for the analysis of biological and pharmaceutical agents. AB - The last few decades have witnessed the development of many high-performance separation methods that use biologically related binding agents. The combination of HPLC with these binding agents results in a technique known as high performance affinity chromatography (HPAC). This review will discuss the general principles of HPAC and related techniques, with an emphasis on their use for the analysis of biological compounds and pharmaceutical agents. Various types of binding agents for these methods will be considered, including antibodies, immunoglobulin-binding proteins, aptamers, enzymes, lectins, transport proteins, lipids, and carbohydrates. Formats that will be discussed for these methods range from the direct detection of an analyte to indirect detection based on chromatographic immunoassays, as well as schemes based on analyte extraction or depletion, post-column detection, and multi-column systems. The use of biological agents in HPLC for chiral separations will also be considered, along with the use of HPAC as a tool to screen or study biological interactions. Various examples will be presented to illustrate these approaches and their applications in fields such as biochemistry, clinical chemistry, and pharmaceutical research. PMID- 29200225 TI - Unveiling the role of ancillary ligands in acceptorless benzyl alcohol dehydrogenation and etherification mediated by mesoionic carbene iridium complexes. AB - We synthesized a set of triazolylidene iridium(iii) complexes [IrCp*(C^N)L]n+ (Cp* = pentamethylcyclopentadienyl, C^N = C,N-bidentate coordinating pyridyl triazolylidene) containing different neutral or anionic ancillary ligands L and evaluated their impact on the catalytic activity in alcohol conversion. We demonstrate that these ancillary ligands have a strong influence on the catalytic selectivity and direct whether the iridium center preferentially catalyzes either the dehydrogenation or the dehydration of benzyl alcohol. Ligand exchange experiments provide a direct correlation of ligand lability with catalytic activity and selectivity. These results underline the relevance of ancillary ligands and provide a rational approach to tailor the catalytic activity of the iridium center towards aldehyde formation (loss of H2) or etherification (elimination of H2O). PMID- 29200226 TI - Green synthesis of a new layered aluminium citraconate: crystal structures, intercalation behaviour towards H2O and in situ PXRD studies of its crystallisation. AB - A new Al-based layered MOF [Al2(OH)4(O2C-C3H4-CO2)].nH2O denoted as CAU-15-Cit was synthesised under mild aqueous conditions. It exhibits a layered structure incorporating infinite chains of edge-sharing AlO6 polyhedra being interconnected by citraconate anions to arrange into layers, which are stacked in an AAA fashion (citraconic acid = methylmaleic acid = H2Cit, HO2C-C3H4-CO2H). The crystal structures of the hydrated and dehydrated MOF were determined ab initio from powder X-ray diffraction (PXRD) data. The hydrated form of this compound (n~ 3) crystallises in the space group C2/c (a = 7.4074(8), b = 23.006(3), c = 7.0890(4) A, beta = 85.024(7) degrees ) and is converted to a triclinic anhydrous form (n = 0) upon dehydration (a = 7.0010(3), b = 7.5062(8), c = 9.2212(8) A, alpha = 72.143(7), beta = 88.617(9), gamma = 85.242(8) degrees , space group P1[combining macron]) in which the layers are interdigitated with a decreased interlayer distance. Physisorption measurements of the anhydrous form indicated no porosity towards nitrogen but an uptake of water vapour was measured showing a sigmoidal adsorption curve and a capacity of ~24 wt%. This is in good agreement with the theoretical capacity for complete intercalation (~25 wt%). Based on the temperature dependent PXRD data of the hydrated form, the intercalated water is removed at around 100 degrees C and the framework decomposes above 350 degrees C. The dehydration process was further compared to the behaviour of the structurally related aromatic variant of the MOF based on phthalic acid, denoted as CAU-15 [Al2(OH)4(O2C-C6H4-CO2)].nH2O. The crystallisation of CAU-15-Cit was investigated by means of in situ PXRD measurements during the synthesis using synchrotron radiation at temperatures between 90 and 130 degrees C. Evaluation of the kinetics using the Sharp-Hancock method clearly indicated different kinetic regimes for the reactions, regardless of the synthesis temperature. At lower temperatures the rate limiting step during the initial period is nucleation, while this initial reaction stage is kinetically limited by diffusion at higher temperatures. The second reaction stage at all temperatures is approximately of the first order. PMID- 29200227 TI - Animal Model of Brain Aging: Senescence-Accelerated Mouse (SAM). PMID- 29200228 TI - Heteromerization of GABAB Receptors: A New Principle for G Protein-Coupled Receptors. Satellite Symposium to the 28th Annual Meeting of the Society for Neuroscience Los Angeles, CA, November 5-7, 1998. PMID- 29200229 TI - CP-101,606: An NR2B-Selective NMDA Receptor Antagonist. PMID- 29200230 TI - Application of Gene Knockout Technique to Alcohol Research. Satellite Symposium to the 28th Annual Meeting of the Society for Neuroscience. Los Angeles, CA, November 7, 1998. PMID- 29200231 TI - 1998 Annual Meeting of the Society for Neuroscience: New Drugs Affecting the Central Nervous System. Los Angeles, California, November 7-12, 1998. PMID- 29200233 TI - The Pharmacology and Mechanism of Action of Zolpidem. PMID- 29200232 TI - Zonisamide: Pharmacology and Clinical Efficacy in Epilepsy. PMID- 29200234 TI - Neuron-Glial Interactions. The Sixth Annual University of Southern California Neuroscience Symposium, Los Angeles, November 6, 1998. PMID- 29200235 TI - Glial Cells in Aging and Neurodegeneration. A Satellite Symposium to the 28th Annual Meeting of the Society for Neuroscience. Los Angeles, CA, November 7, 1998. PMID- 29200236 TI - Diagnostics of endometriosis by using magnetic resonance imaging. AB - Endometriosis affects about 2 to 10% of women in fertile age, It causes pain and infertility. In the ovaries, endometrios causes endometriomas. The disease may spread into the abdominal cavity and even result in ileus. Deep endometriomas are located under the peritoneal surface, typically behind the uterus and in the region of uterosacral ligaments. History, clinical examination and transvaginal ultrasound scanning usually lead to the diagnosis. Magnetic resonance imaging is in particular utilized prior to surgery. It provides a comprehensive view of endometriosis lesions in the pelvis, including deep foci. PMID- 29200237 TI - Disordered eating behavior in boys of draft age - the population-based MOPO study. AB - BACKGROUND: Eating disorders in boys are poorly detected in health care. MATERIAL AND METHODS: Among 922 boys attending evaluation for military service in Oulu, In 2013, disordered eating behavior was assessed by the SCOFF and Eating Disorder Inventory questionnaires (Drive fir thinness and Bulimia). RESULTS: Disordered eating behavior was present in 129 (14%) boys, of whom 57 (44%) were overweight. Every fourth overweight by had symptoms of eating disorders, typically constant thoughts of weight loss. CONCLUSIONS: Screening of eating disorders should be included in medical examinations, especially in overweight boys. PMID- 29200238 TI - Entrustable professional activity (EPA) reshapes the practice of specialist training. AB - In addition to medical expertise, competence-based medical training comprises communication and collaboration skills, professionalism, and leadership skills. Continuous feedback is essential for learning and development, and feedback only from the medical specialist examination taken in the end of training does not ensure thorough specialist training. Entrustable professional activity (EPA) is a unit of professional practice, defined as tasks or responsibilities typical of the specialty. EPA translates competence-based training into manageable and meaningful entities and provides tools for the evaluation of medical competence. PMID- 29200239 TI - Hypothermia caused by psoriasis. AB - Severe psoriasis can lead to erythroderma, which is a widespread inflammatory condition of the skin. Erythroderma increases the amount of water evaporating from the skin and heat loss. We present a case of severe hypothermia with rectal temperature of 29.3 degrees C caused by psoriasis and a septic infection. PMID- 29200243 TI - ? PMID- 29200240 TI - Endodontic treatment. AB - The Finnish guideline on endodontics emphasizes good quality of endodontic treatment and coronal seal of the restoration. For prevention of endodontic treatment need caries control is essential. For deep carious lesions stepwise excavation or partial caries removal are recommended. Partial pulpotomy can be used if bleeding can be controlled. The decision for root canal treatment is based on prognosis, occlusion and general health of the patient. The use of kofferdam is essential in aseptic working. Chemomechanical preparation with NaOCI and root canal filling within 0-2 mm from the apex improve prognosis. Healing should be controlled annually up to four years. PMID- 29200244 TI - Management of airway obstruction and stridor in pediatric patients [digest]. AB - Stridor is a result of turbulent air-flow through the trachea from upper airway obstruction, and although in children it is often due to croup, it can also be caused by noninfectious and/or congenital conditions as well as life-threatening etiologies. The history and physical examination guide initial management, which includes reduction of airway inflammation, treatment of bacterial infection, and, less often, imaging, emergent airway stabilization, or surgical management. This issue discusses the most common as well as the life-threatening etiologies of acute and chronic stridor and its management in the emergency department. [Points & Pearls is a digest of Pediatric Emergency Medicine Practice]. PMID- 29200245 TI - Management of inflammatory bowel disease flares in the emergency department [digest]. AB - Because of the chronic relapsing nature of inflammatory bowel disease (IBD), emergency clinicians frequently manage patients with acute flares and complications. IBD patients present with an often-broad range of nonspecific signs and symptoms, and it is essential to differentiate a mild flare from a life threatening intra-abdominal process. Recognizing extraintestinal manifestations and the presence of infection are critical. This issue reviews the literature on management of IBD flares in the emergency department, including laboratory testing, imaging, and identification of surgical emergencies, emphasizing the importance of coordination of care with specialists on treatment plans and offering patients resources for ongoing support. [Points & Pearls is a digest of Emergency Medicine Practice.]. PMID- 29200246 TI - EDTORIAL_. AB - Why did we prepare this supplement and why it is about interdisciplinary public health issues? It is rather difficult question, but with a simple answer. Neurology field, neuroendocrinology field and many other areas of medicine are actually very important partners for public health professionals. Public health promotes and protects the health of people and the communities where they live, learn, work and play. While doctors treat people who are sick, those of us working in public health try to prevent people from getting sick or injured in the first place. PMID- 29200247 TI - Review of Utilization of Cardiovascular Medicines by Daily Defined Dose in the Czech Republic and Slovak Republic. AB - To the Editor, Drug utilization is an important field of drug policy and an integral part of public health internationally. This area of research attracts increasing interest but the pioneering work was done 50 years ago when the first drug consumption report from six European countries for the period of 1966-1967 showed great differences in drug utilization between population groups (WHO, 1968). These results gave important stimulus for creation of Anatomical Therapeutic Chemical (ATC) classification and technical unit of measurement called the Defined Daily Dose (DDD) which is specified as "the assumed average maintenance dose per day for a drug used for its main indication in adults" that dealt with the objections against traditional units of measurement in drug utilization studies (WHO, 2016). The ATC/DDD methodology has in the meantime proved its suitability in drug utilization monitoring and research. As mentioned previously, consumption of pharmaceuticals is often used as a basis for comparison between countries. Based on our professional expertise, we decided to analyze the consumption of cardiovascular medicines by DDD in the Czech Republic and Slovak Republic within all ATC groups reported to OECD (OECD, 2016a). According to OECD indicator results, the Slovak Republic showed in 2014 a higher pharmaceutical consumption by DDD in ATC group C (cardiovascular system) compared to the Czech Republic (OECD, 2016a). PMID- 29200248 TI - Detection of anti-infliximab antibodies in Slovak IBD patients and its costs saving effect. AB - OBJECTIVE: Management chronic inflammatory bowel disease (IBD) patients is associated with diagnosis, targeted treatment and and individual approach. There is a group of patients which loss the response to the biologic treatment caused by insufficient levels of biologics or positive antibodies against these drugs. This study was aimed to determine the prevalence of patients with positive antibodies against the biological treatment and the costs saving probabilities of the antibodies detection during the treatment. STUDY DESIGN: This retrospective study was based on examination of 183 IBD patients' sera (72 with Crohn's disease (CD) and 111 ulcerative colitis (UC)) treated with infiliximab. METHODS: Circulating serum infliximab concentrations and anti-infliximab antibodies (ATI) were quantified by ELISA methods. Costs associated with the treatment were analysed from the data of General Health Insurance Company, Slovakia. RESULTS: The average infliximab concentrations in groups of CD were 2.9 ug/mL, 38.9% of samples had a concentration <=1 ug/mL. Group with UC had average infliximab levels of 3.19 ug/mL, 32.4% bellow <=1 ug/mL. Positive ATI levels were detected in 52 patients, in 28 patients with CD (38.8%) and 24 patients with UC (21.6%). The average values of the antibodies were 387.75 U/ml in CD and 391.94 U/ml in UC group. More than 28% IBD patients were positive for ATI. After application of the results to the database of all IBD patients, finishing of the treatment with ATI could lead (after considering the ATI quantification costs) to possible annual savings of more than ?2 million in Slovakian health-care system. CONCLUSIONS: Monitoring of infliximab and antibodies against infliximab and anti-TNF-alpha biologics may help optimize treatment strategies and costs for biological treatment. PMID- 29200249 TI - Decision and cost analysis of empirical antibiotic therapy of acute sinusitis in the era of increasing antimicrobial resistance: do we have an additional tool for antibiotic policy decisions? AB - OBJECTIVE: No previous analyses have attempted to determine optimal therapy for upper respiratory tract infections on the basis of cost-minimization models and the prevalence of antimicrobial resistance among respiratory pathogens in Slovakia. This investigation compares macrolides and cephalosporines for empirical therapy and look at this new tool from the aspect of potential antibiotic policy decision-making process. METHODS: We employed a decision tree model to determine the threshold level of macrolides and cephalosporines resistance among community respiratory pathogens that would make cephalosporines or macrolides cost-minimising. To obtain information on clinical outcomes and cost of URTIs, a systematic review of the literature was performed. The cost minimization model of upper respiratory tract infections (URTIs) treatment was derived from the review of literature and published models. RESULTS: We found that the mean cost of empirical treatment with macrolides for an URTIs was ?93.27 when the percentage of resistant Streptococcus pneumoniae in the community was 0%; at 5%, the mean cost was ?96.45; at 10%, ?99.63; at 20%, ?105.99, and at 30%, ?112.36. Our model demonstrated that when the percentage of macrolide resistant Streptococcus pneumoniae exceeds 13.8%, use of empirical cephalosporines rather than macrolides minimizes the treatment cost of URTIs. CONCLUSIONS: Empirical macrolide therapy is less expensive than cephalosporines therapy for URTIs unless macrolide resistance exceeds 13.8% in the community. Results have important antibiotic policy implications, since presented model can be use as an additional decision-making tool for new guidelines and reimbursement processes by local authorities in the era of continual increase in antibiotic resistance. PMID- 29200250 TI - Intraoperative calcitonin stimulation testing in the surgical treatment of C-cell disease. AB - OBJECTIVE: The prognosis of medullary thyroid carcinoma (MTC), derived from parafollicular C-cells, depends on the completeness of the initial surgical excision. The C-cells produce calcitonin, a peptide hormone used as a biochemical and immunohistochemical tumor marker. The aim of the study was to evaluate an individualized approach to patients with C-cell disease, i.e. MTC and C-cell hyperplasia (CCH), using the intraoperative calcitonin testing-assisted surgical strategy as a predictor of the final outcome. STUDY DESIGN: A unicentre cross sectional study. METHODS: From June 2009 to May 2015, thirty one patients with MTC/CCH were surgically treated primarily (n=24) or reoperated for persistence of the disease (n=7). Depending on the result of intraoperative calcitonin stimulation testing (iCST), patients underwent total thyroidectomy with or without lymph node dissection. All patients were tested repeatedly in the postoperative period (range 1 to 48 months). RESULTS: The iCST was true negative in all CCH, and ten out of eleven N0 MTC primarily operated patients, and true positive in one N0 patient and six of the seven reoperated patients. The test was false negative in two patients preoperatively evaluated as N+, one primarily operated and one reoperated, respectively. CONCLUSION: The results encourage the use of an individualised approach on patients with MTC/CCH, e.g. to be less radical surgically in cases of negative iCST, and to be more radical in those patients with persistent increase of serum calcitonin. The absence of post stimulation calcitonin elevation in iCST seems to be a good prognosis indicator in patients with an early-stage C-cell disease, but longer follow-up is needed. PMID- 29200251 TI - Misdiagnosing of malaria as RTI decreased after introduction of RDTs in rural areas of Kenya. AB - BACKGROUND: Clinical presentation of malaria is highly variable and can be mistaken for number of other diseases, including respiratory tract diseases, which are associated with significant morbidity and mortality. However, presumptive management of fever as malaria can result in significant overdiagnosis, even in high-risk areas. Quality microscopy services for the diagnosis of malaria are not widely available in rural areas of Sub-Saharan Africa as well as in substandard conditions of low-income settings and the accuracy of microscopy is usually poor. MATERIAL AND METHODS: The aim of the study was to determine how introduction of RDTs influenced diagnostics of malaria in high risk area of Eldoret, Kenya. Documentation of every patient was screened for data of current disease and diagnostic tools used. In patients with suspected malaria, either microscopy, or RDT or both were done to confirm the diagnosis. RESULTS: Initially, incidence of malaria was very high, about 50-70% of all visits in OPD due to any infectious condition. In 2010, when rapid diagnostic tests became available in Eldoret, decrease in incidence of malaria from 49% (2010) to 29% (2011) and further to 5.3% (2016) was noted. At the same time, increased incidence of upper and especially lower respiratory tract infections was noted. CONCLUSION: Results suggest that upper and lower respiratory tract infections were formerly diagnosed and treated as malaria. Other contributing factors, such as improvement of infrastructure and malaria preventive and treatment programs also play a role in decreasing malaria incidence in rural areas of Kenya, however, RDTs play a key role in proper diagnostics of malaria. PMID- 29200252 TI - Fetal adrenal gland enlargement - prenatal and postnatal management. AB - BACKGROUND: The enlargement of suprarenal gland is related to preterm birth and the birth weight. The ultrasound measurement of fetal adrenal gland volume may identify women at risk for impending preterm birth. The aim of our study was to investigate the newborns in the region of western Slovakia followed up due to suprarenal gland enlargement. To set the ratio of prenatally diagnosed suprarenal gland enlargment, postnatal managment and treatment and interventions. The newborns with congenital adrenal hyperplasia were excluded. METHODS: We have analyzed 6 years of medical records of all cases from the western Slovakia region of suprarenal gland enlargement encountered to 1st Pediatric Department, Children's University Hospital Bratislava Republic in the time period of January 2010 to Janurary 2016. The diagnosis of suprarenal gland enlargement was set by ultrasound examination performed on the 4th postnatal day as an overall screening test. Newborns with positive laboratory screening on congenital adrenal hyperplasia (CAH) were excluded from our study. We analyzed the origin of surarenal gland enlargement, gestation week on the due date, the birth weight and other comorbidities and genetic pathologies in newborns with the enlarged suprarenal glands. RESULTS: There were 6 newborns followed up due to suprarenal gland enlargement. All of the patients had diagnosed the adrenal haemorrhage. Adrenal lesions like adrenal cysts or neuroblastomas were not confirmed. All of the adrenal enlargements were benign with no need of other medical or surgical intervention. None of the newborn patients had other genetic abnormalities, mineral or hormonal imbalances, problems with arterial pressure or haemodynamic instability. All of the patients underwent at least 5 prenatal ultrasound tests and at least 2 postnatal ultrasound measurements. The avarage birth weight was 3030 grams (2700 grams - to 3750 grams). The avarage birth lenght was 50 cm (47 centimeter to 53 cm).The average gestation week (gw) on due date was 39 gw. 85% from the patients were born on 40 gw, 15% on 39 gw. CONCLUSION: We didn't confirm the relation between the suprarenal gland enlargement and the preterm birth (<= 34 weeks' gestation). In the period of 6 years we didn't find a newborn patient with the prenatal diagnosis of suprarenal gland enlargement. The adrenal gland enlargement didn't have a relation with the low gestation birth, weight, length or the preterm birth. PMID- 29200253 TI - The role of implementation and communication of MANTRA Water, sanitation and hygiene program in improving public health in Odisha state (India). AB - BACKGROUND: Provision of safe drinking water is the main strategy to reduce the number of water-borne diseases. The Government of India has declared its commitment towards achieving Sustainable Development Goals and universal sanitation coverage in the country by the year 2022. Indian NGO Gram Vikas offers a solution to this task through its flagship WASH program MANTRA. It focuses on water and sanitation as an entry point for integrated village development. METHODS: The case study from Haradango village (Odisha state, India) investigates the effectiveness of MANTRA program by identifying key principles of this Gram Vikas' flagship programme and by analysing an impact of its implemenation and communication on public health of Haradango villagers. Based on field research key principles were identified (100 % inclusion, Gender equity, Social equity, Cost-sharing, Sustainability). RESULTS: Thanks to the application of the principles, reduction of nearly 80 % of water borne diseases was recorded and diarrhea incidence has been less than 2 %. CONCLUSIONS: Gram Vikas' community driven development approach towards improvement of public health and sustainable rural development can be labeled as successful model for local, as well as national projects. Information, education and communication activities need to persist in order to overcome the cultural practice of open defecation within communities.. PMID- 29200254 TI - "Lack of knowledge is no excuse" HIV positive patient with progressive multifocal leukoencephalopathy. Case report from Kenya. AB - Progressive multifocal leukoencephalopathy (PML) is a severe demyelinating disease that affects the central nervous system, which has high morbidity and mortality and no effective, targeted therapies are available. According to the data from developing countries, it affects about 3 to 5% patients who are HIV positive. We present a case of a 27-year-old patient, who got infected with the HIV virus from his mother. The patient had poor compliance to the therapy since its initiation. Due to poor compliance and immunological and virological failure of the first line ARVs, the patient developed PML. Despite confirmed diagnosis of PML and change of the regimen to the second line ARVs, due to progression of the condition, he sought care of an unknown physician, who prescribed therapy with azathioprine 150 mg twice daily, which the patient used for more than 2 weeks. Despite immediate virological suppression, the condition significantly worsened, until the patient developed paraparesis, postural tremor, head tremor, severe dysarthria; he was not able to walk, eat or express himself. The major roadblocks to diagnosis of PML include poor access to health care in general, as well as poor knowledge of the rare condition among the health care professionals. Therapy with azathioprine has been proved to be associated with the development of PML. Thus, in resource limited settings, there is an urgent need for improved access to health care and imaging and laboratory diagnostic means, which would decrease the economic and social burden of severe conditions, such as PML. PMID- 29200255 TI - Few-Layer WSe2 Schottky Junction-Based Photovoltaic Devices through Site Selective Dual Doping. AB - Ultrathin sheets of two-dimensional (2D) materials like transition metal dichalcogenides have attracted strong attention as components of high-performance light-harvesting devices. Here, we report the implementation of Schottky junction based photovoltaic devices through site-selective surface doping of few-layer WSe2 in lateral contact configuration. Specifically, whereas the drain region is covered by a strong molecular p-type dopant (NDP-9) to achieve an Ohmic contact, the source region is coated with an Al2O3 layer, which causes local n-type doping and correspondingly an increase of the Schottky barrier at the contact. By scanning photocurrent microscopy using green laser light, it could be confirmed that photocurent generation is restricted to the region around the source contact. The local photoinduced charge separation is associated with a photoresponsivity of up to 20 mA W-1 and an external quantum efficiency of up to 1.3%. The demonstrated device concept should be easily transferrable to other van der Waals 2D materials. PMID- 29200256 TI - A Novel Type of Battery-Supercapacitor Hybrid Device with Highly Switchable Dual Performances Based on a Carbon Skeleton/Mg2Ni Free-Standing Hydrogen Storage Electrode. AB - The sharp proliferation of high power electronics and electrical vehicles has promoted growing demands for power sources with both high energy and power densities. Under these circumstances, battery-supercapacitor hybrid devices are attracting considerable attention as they combine the advantages of both batteries and supercapacitors. Here, a novel type of hybrid device based on a carbon skeleton/Mg2Ni free-standing electrode without the traditional nickel foam current collector is reported, which has been designed and fabricated through a dispersing-freeze-drying method by employing reduced graphene oxide (rGO) and multiwalled carbon nanotubes (MWCNTs) as a hybrid skeleton. As a result, the Mg2Ni alloy is able to deliver a high discharge capacity of 644 mAh g-1 and, more importantly, a high cycling stability with a retention of over 78% after 50 charge/discharge cycles have been achieved, which exceeds almost all the results ever reported on the Mg2Ni alloy. Simultaneously, the electrode could also exhibit excellent supercapacitor performances including high specific capacities (296 F g-1) and outstanding cycling stability (100% retention after 100 cycles). Moreover, the hybrid device can switch between battery and supercapacitor modes immediately as needed during application. These features make the C skeleton/alloy electrode a highly promising candidate for battery-supercapacitor hybrid devices with high power/energy density and favorable cycling stability. PMID- 29200257 TI - Hexagonal VS2 Anchored MWCNTs: First Approach to Design Flexible Solid-State Symmetric Supercapacitor Device. AB - Transition metal chalcogenides (TMCs) embedded with a carbon network are gaining much attention because of their high power capability, which can be easily integrated to portable electronic devices. Facile chemical route has been explored to synthesize hexagonal structured VS2 nanoparticles onto multiwalled carbon nanotubes (MWCNTs) matrix. Such surface-modified VS2/MWCNTs electrode has boosted the electrochemical performance to reach high capacitance to 830 F/g and excellent stability to 95.9% over 10 000 cycles. Designed flexible solid-state symmetric supercapacitor device (FSSD) with a wide voltage window of 1.6 V exhibited maximum gain in specific capacitance value of 182 F/g at scan rate of 2 mV/s along with specific energy of 42 Wh/kg and a superb stability of 93.2% over 5000 cycles. As a practical approach, FSSD has lightened up "VNIT" panel consisting of 21 red LEDs. PMID- 29200258 TI - Roll-to-Roll Laser-Printed Graphene-Graphitic Carbon Electrodes for High Performance Supercapacitors. AB - Carbon electrodes including graphene and thin graphite films have been utilized for various energy and sensor applications, where the patterning of electrodes is essentially included. Laser scribing in a DVD writer and inkjet printing were used to pattern the graphene-like materials, but the size and speed of fabrication has been limited for practical applications. In this work, we devise a simple strategy to use conventional laser-printer toner materials as precursors for graphitic carbon electrodes. The toner was laser-printed on metal foils, followed by thermal annealing in hydrogen environment, finally resulting in the patterned thin graphitic carbon or graphene electrodes for supercapacitors. The electrochemical cells made of the graphene-graphitic carbon electrodes show remarkably higher energy and power performance compared to conventional supercapacitors. Furthermore, considering the simplicity and scalability of roll to-roll (R2R) electrode patterning processes, the proposed method would enable cheaper and larger-scale synthesis and patterning of graphene-graphitic carbon electrodes for various energy applications in the future. PMID- 29200259 TI - Extremely Low Operating Current Resistive Memory Based on Exfoliated 2D Perovskite Single Crystals for Neuromorphic Computing. AB - Extremely low energy consumption neuromorphic computing is required to achieve massively parallel information processing on par with the human brain. To achieve this goal, resistive memories based on materials with ionic transport and extremely low operating current are required. Extremely low operating current allows for low power operation by minimizing the program, erase, and read currents. However, materials currently used in resistive memories, such as defective HfOx, AlOx, TaOx, etc., cannot suppress electronic transport (i.e., leakage current) while allowing good ionic transport. Here, we show that 2D Ruddlesden-Popper phase hybrid lead bromide perovskite single crystals are promising materials for low operating current nanodevice applications because of their mixed electronic and ionic transport and ease of fabrication. Ionic transport in the exfoliated 2D perovskite layer is evident via the migration of bromide ions. Filaments with a diameter of approximately 20 nm are visualized, and resistive memories with extremely low program current down to 10 pA are achieved, a value at least 1 order of magnitude lower than conventional materials. The ionic migration and diffusion as an artificial synapse is realized in the 2D layered perovskites at the pA level, which can enable extremely low energy neuromorphic computing. PMID- 29200260 TI - Tuning the Distance of Rattle-Shaped IONP@Shell-in-Shell Nanoparticles for Magnetically-Targeted Photothermal Therapy in the Second Near-Infrared Window. AB - Construction of multifunctional nanoparticles (NPs) with near-infrared (NIR) plasmonic responses is considered a versatile and multifaceted platform for several biomedical applications. Herein, a double layer of Au/Ag alloy on the surface of truncated octahedral iron oxide NPs (IONPs) was prepared and the distance between the layers was controlled to exhibit broad and strong NIR absorption. The rattle-shaped IONP@shell-in-shell nanostructure showed light response to the NIR biological window from 650 to 1300 nm for photothermal therapy (PTT) and magnetic guidance for hyperthermia and magnetic resonance imaging (MRI) diagnosis. Exposing the aqueous solution of IONP@shell-in-shell to a 1064 nm diode laser, its heat conversion efficiency was ~28.3%. The in vitro cell viability at a gold concentration of 100 ppm was ~85%, and decreased to ~16% when the cells were treated with the NIR irradiation and magnetic attraction. T2 weighted MRI images showed a clear accumulation of IONP@shell-in-shell at the tumor site with magnetic attraction. In vivo luminescence tumor images explained that the IONP@shell-in-shell could reduce the U87MG-luc2 cancer cell proliferation in mice with the NIR irradiation and magnetic attraction. These results indicate the IONP@shell-in-shell as a promising nanomedicine for PTT, magnetic targeting, and magnetic resonance imaging (MRI). PMID- 29200261 TI - Cross-Linked Graphitic Carbon Nitride with Photonic Crystal Structure for Efficient Visible-Light-Driven Photocatalysis. AB - Highly cross-linked graphitic carbon nitride has been prepared by a thermal copolymerization of dicyanodiamide with tetramethylammonium salts. The cross linking can be evidenced by (i) increased C/N ratio without new carbon species, (ii) decreased specific surface area, and (iii) Tyndall effect after dissolution in concentrated sulfuric acid. The cross-linked graphitic carbon nitride with photonic crystal structure has highly efficient photocatalytic activity for water splitting under visible light due to the synergistic enhancement by the greatly suppressed photoluminescence, red-shifted absorption edges, strong inner reflections, and effective PCs stop band overlaps. It exhibits an enhanced photodegradation kinetic of methyl orange and a high visible-light-driven hydrogen-evolution rate of 166.9 MUmol h-1 (25 times higher than that of the pristine graphitic carbon nitride counterpart). This work presents a facile method for designing and developing high-performance graphitic carbon nitride photocatalysts, providing a broad range of application prospects in the fields of electronics and energy conversion. PMID- 29200262 TI - On-Surface Growth Dynamics of Graphene Nanoribbons: The Role of Halogen Functionalization. AB - On-surface synthesis is a powerful route toward the fabrication of specific graphene-like nanostructures confined in two dimensions. This strategy has been successfully applied to the growth of graphene nanoribbons of diverse width and edge morphology. Here, we investigate the mechanisms driving the growth of 9-atom wide armchair graphene nanoribbons by using scanning tunneling microscopy, fast X ray photoelectron spectroscopy, and temperature-programmed desorption techniques. Particular attention is given to the role of halogen functionalization (Br or I) of the molecular precursors. We show that the use of iodine-containing monomers fosters the growth of longer graphene nanoribbons (average length of 45 nm) due to a larger separation of the polymerization and cyclodehydrogenation temperatures. Detailed insight into the growth process is obtained by analysis of kinetic curves extracted from the fast X-ray photoelectron spectroscopy data. Our study provides fundamental details of relevance to the production of future electronic devices and highlights the importance of not only the rational design of molecular precursors but also the most suitable reaction pathways to achieve the desired final structures. PMID- 29200263 TI - Phenylboronic Acid Templated Gold Nanoclusters for Mucin Detection Using a Smartphone-Based Device and Targeted Cancer Cell Theranostics. AB - A phenylboronic acid templated gold nanocluster probe was developed to detect biomarker mucin by a noninvasive fluorescence-based method using a point-of-care smartphone-based fluorescence detection device. The gold nanocluster probe is able to detect mucin specifically. The same probe was applied for in vitro targeted bioimaging of HeLa and Hep G2 cancer cells, and it demonstrated specific therapeutic effects toward cancer cells as well as multicellular tumor spheroids imparting theranostic properties. The module is found to be more effective toward HeLa cells, and a pathway of cell death was established using flow-cytometry based assays. PMID- 29200264 TI - Fully Coated Semitransparent Organic Solar Cells with a Doctor-Blade-Coated Composite Anode Buffer Layer of Phosphomolybdic Acid and PEDOT:PSS and a Spray Coated Silver Nanowire Top Electrode. AB - In the aim to realize high performance semitransparent fully coated organic solar cells, printable electrode buffer layers and top electrodes are two important key technologies. An ideal ink for the preparation of the electrode buffer layer for printed top electrodes should have good wettability and negligible solvent corrosion to the underlying layer. This work reports a novel organic-inorganic composite of phosphomolybdic acid (PMA) and PEDOT:PSS that features excellent wettability with the active layer and printed top Ag nanowires and high resistibility to solvent corrosion. This composite buffer layer can be easily deposited on a polymer surface to form a smooth, homogeneous film via spin coating or doctor-blade coating. Through the use of this composite anode buffer layer, fully coated semitransparent devices with doctor-blade-coated functional layers and spray-coated Ag nanowire top electrodes showed the highest power conversion efficiency (PCE) of 5.01% with an excellent average visible-light transmittance (AVT) of 50.3%, demonstrating superior overall characteristics with a comparable performance to and a much higher AVT than cells based on a thermally evaporated MoO3/Ag/MoO3 thin film electrode (with a PCE of 5.77% and AVT of 19.5%). The current work reports the fabrication of fully coated inverted organic solar cells by combining doctor-blade coating and spray coating and, more importantly, demonstrates that a nanocomposite of a polyoxometalate and conjugated polymer could be an excellent anode buffer layer for the fully coated polymer solar cells with favorable interfacial contact, hole extraction efficiency, and high comparability with full printing. PMID- 29200265 TI - One-Step Preparation of Cesium Lead Halide CsPbX3 (X = Cl, Br, and I) Perovskite Nanocrystals by Microwave Irradiation. AB - CsPbX3 (X = Cl, Br, I) nanocrystals (NCs) are competitive emitting materials for illumination and display because of their outstanding photophysical properties. However, the conventional synthetic approaches suffer from low yields, complex procedures, and toxic chemicals. In this work, we demonstrate a one-step microwave-assisted approach to prepare CsPbX3 NCs. The homogeneous heating and rapid temperature increment of microwave preparation facilitate the growth of CsPbX3 NCs, producing the NCs with high photoluminescence quantum yields up to 90%, narrow emission full-width at half-maximum, and emission color tunable from blue to red. By optimizing the preparation conditions of the microwave-assisted approach, CsPbX3 NCs with cation- and halide anion-controlled emission properties, tunable reaction rate, and enhanced stability are prepared. Light emitting diode (LED) prototypes are further fabricated by employing the as prepared CsPbX3 NCs as the color conversion materials on commercially available 365 nm GaN LED chips. PMID- 29200266 TI - DNA Hybridization Assay Using Gold Nanoparticles and Electrophoresis Separation Provides 1 pM Sensitivity. AB - The efficiency of gold nanoparticle (AuNP) dimerization mediated by hybridization between two probe DNA molecules and a complementary target DNA molecule was maximized by examining several possible hybridization combinations. The uniformity of the size of the AuNPs, the use of surface modification appropriate for high hybridization efficiency, together with efficient blocking of nonspecific binding, all contributed to achieving a 1 pM detection limit following conventional gel electrophoresis separation of the DNA-modified AuNP multimers. This practical homogeneous DNA hybridization assay methodology will provide a rapid, cost-effective, and field-portable tool for clinical diagnosis. PMID- 29200267 TI - Mediated Electrochemical Reduction of Iron (Oxyhydr-)Oxides under Defined Thermodynamic Boundary Conditions. AB - Iron (oxyhydr-)oxide reduction has been extensively studied because of its importance in pollutant redox dynamics and biogeochemical processes. Yet, experimental studies linking oxide reduction kinetics to thermodynamics remain scarce. Here, we used mediated electrochemical reduction (MER) to directly quantify the extents and rates of ferrihydrite, goethite, and hematite reduction over a range of negative reaction free energies, DeltarG, that were obtained by systematically varying pH (5.0 to 8.0), applied reduction potentials (-0.53 to 0.17 V vs SHE), and Fe2+ concentrations (up to 40 MUM). Ferrihydrite reduction was complete and fast at all tested DeltarG values, consistent with its comparatively low thermodynamic stability. Reduction of the thermodynamically more stable goethite and hematite changed from complete and fast to incomplete and slow as DeltarG values became less negative. Reductions at intermediate DeltarG values showed negative linear correlations between the natural logarithm of the reduction rate constants and DeltarG. These correlations imply that thermodynamics controlled goethite and hematite reduction rates. Beyond allowing to study iron oxide reduction under defined thermodynamic conditions, MER can also be used to capture changes in iron oxide reducibility during phase transformations, as shown for Fe2+-facilitated transformation of ferrihydrite to goethite. PMID- 29200269 TI - Viologen-Based Photochromic Coordination Polymers for Inkless and Erasable Prints. AB - Four coordination polymers, namely, [Zn(HL1)(L2)0.5].H2O (1), [Cd(HL1)(L2)0.5].H2O (2), [Zn(L1)(L3)0.5].H2O (3), and [Cd(L1)(L3)0.5] (4) (H3L1 = (3,5-dicarboxyl-phenyl)-(4-(2'-carboxyl-phenyl)-benzyl)ether, H2L2Cl2 = 1,1' bis(4-carboxy-benzyl)-4,4'-bipyridinium dichloride, and L3Cl2 = 1,1'-dimethyl 4,4'-bipyridylium dichloride), have been synthesized hydrothermally. The structures of compounds 1-4 have been determined by single-crystal X-ray diffraction analyses, and further characterized by elemental analyses, infrared (IR) spectra, powder X-ray diffraction (PXRD) analyses, and thermogravimetric analyses. Compounds 1 and 2 display three-dimensional 2-fold interpenetrating frameworks, whereas compounds 3 and 4 exhibit two-dimensional layer structures. These compounds display photochromic behaviors from pale yellow to green under UV light, visible light, or sunlight. The photochromic mechanisms of these compounds have been studied by IR spectra, PXRD analyses, UV-vis absorption spectra, electron paramagnetic resonance spectra, density functional theory calculations, and X-ray photoelectron spectroscopy. The capabilities of compounds 1 and 2 as inkless and erasable printing media have also been tested. Moreover, the photomodulated fluorescence of these compounds has also been investigated. PMID- 29200268 TI - Design of a Photoredox Catalyst that Enables the Direct Synthesis of Carbamate Protected Primary Amines via Photoinduced, Copper-Catalyzed N-Alkylation Reactions of Unactivated Secondary Halides. AB - Despite the long history of SN2 reactions between nitrogen nucleophiles and alkyl electrophiles, many such substitution reactions remain out of reach. In recent years, efforts to develop transition-metal catalysts to address this deficiency have begun to emerge. In this report, we address the challenge of coupling a carbamate nucleophile with an unactivated secondary alkyl electrophile to generate a substituted carbamate, a process that has not been achieved effectively in the absence of a catalyst; the product carbamates can serve as useful intermediates in organic synthesis as well as bioactive compounds in their own right. Through the design and synthesis of a new copper-based photoredox catalyst, bearing a tridentate carbazolide/bisphosphine ligand, that can be activated upon irradiation by blue-LED lamps, we can achieve the coupling of a range of primary carbamates with unactivated secondary alkyl bromides at room temperature. Our mechanistic observations are consistent with the new copper complex serving its intended role as a photoredox catalyst, working in conjunction with a second copper complex that mediates C-N bond formation in an out-of-cage process. PMID- 29200271 TI - The Next Frontier: Quantitative Biochemistry in Living Cells. AB - Researchers striving to convert biology into an exact science foremost rely on structural biology and biochemical reconstitution approaches to obtain quantitative data. However, cell biological research is moving at an ever accelerating speed into areas where these approaches lose much of their edge. Intrinsically unstructured proteins and biochemical interaction networks composed of interchangeable, multivalent, and unspecific interactions pose unique challenges to quantitative biology, as do processes that occur in discrete cellular microenvironments. Here we argue that a conceptual change in our way of conducting biochemical experiments is required to take on these new challenges. We propose that reconstitution of cellular processes in vitro should be much more focused on mimicking the cellular environment in vivo, an approach that requires detailed knowledge of the material properties of cellular compartments, essentially requiring a material science of the cell. In a similar vein, we suggest that quantitative biochemical experiments in vitro should be accompanied by corresponding experiments in vivo, as many newly relevant cellular processes are highly context-dependent. In essence, this constitutes a call for chemical biologists to convert their discipline from a proof-of-principle science to an area that could rightfully be called quantitative biochemistry in living cells. In this essay, we discuss novel techniques and experimental strategies with regard to their potential to fulfill such ambitious aims. PMID- 29200272 TI - Stable Isotope-Resolved Analysis with Quantitative Dissolution Dynamic Nuclear Polarization. AB - Metabolite profiles and their isotopomer distributions can be studied noninvasively in complex mixtures with NMR. The advent of dissolution Dynamic Nuclear Polarization (dDNP) and isotope enrichment add sensitivity and resolution to such metabolic studies. Metabolic pathways and networks can be mapped and quantified if protocols that control and exploit the ex situ signal enhancement are created. We present a sample preparation method, including cell incubation, extraction and signal enhancement, to obtain reproducible and quantitative dDNP (qdDNP) NMR-based stable isotope-resolved analysis. We further illustrate how qdDNP was applied to gain metabolic insights into the phenotype of aggressive cancer cells. PMID- 29200270 TI - Arachidonic Acid Metabolism by Human Cardiovascular CYP2J2 Is Modulated by Doxorubicin. AB - Doxorubicin (DOX) is a chemotherapeutic that is used in the treatment of a wide variety of cancers. However, it causes cardiotoxicity partly because of the formation of reactive oxygen species. CYP2J2 is a human cytochrome P450 that is strongly expressed in cardiomyocytes. It converts arachidonic acid (AA) into four different regioisomers of epoxyeicosatrienoic acids (EETs). Using kinetic analyses, we show that AA metabolism by CYP2J2 is modulated by DOX. We show that cytochrome P450 reductase, the redox partner of CYP2J2, metabolizes DOX to 7 deoxydoxorubicin aglycone (7-de-aDOX). This metabolite then binds to CYP2J2 and inhibits and alters the preferred site of metabolism of AA, leading to a change in the ratio of the EET regioisomers. Furthermore, molecular dynamics simulations indicate that 7-de-aDOX and AA can concurrently bind to the CYP2J2 active site to produce these changes in the site of AA metabolism. To determine if these observations are unique to DOX/7-de-aDOX, we use noncardiotoxic DOX analogues, zorubicin (ZRN) and 5-iminodaunorubicin (5-IDN). ZRN and 5-IDN inhibit CYP2J2 mediated AA metabolism but do not change the ratio of EET regioisomers. Altogether, we demonstrate that DOX and 7-de-aDOX inhibit CYP2J2-mediated AA metabolism and 7-de-aDOX binds close to the active site to alter the ratio of cardioprotective EETs. These mechanistic studies of CYP2J2 can aid in the design of new alternative DOX derivatives. PMID- 29200273 TI - Nonpolar-to-Polar Phase Transition of a Chiral Ionic Plastic Crystal and Switch of the Rotation Symmetry. AB - The synthesis of a new ionic plastic crystal, tetraethylammonium-d20 d-10 camphorsulfonate, is reported. The crystal has three solid phases, the structures of which were determined by single-crystal X-ray diffraction (XRD). XRD analysis revealed a phase transition from nonpolar space group P21212 to polar space group P21 with increasing temperature. The dynamics of the d-10-camphorsulfonate anion and the tetraethylammonium-d20 cation was investigated by variable-temperature 1H and 2H solid-state NMR spectroscopy. The anion showed swing motion in high temperature phases, which is in good agreement with the disorder observed in XRD analysis. The cation showed uniaxial rotation even in the low-temperature phase. The rotation axis of the tetrahedral structure showed a transition from the two fold axis to the three-fold axis with the phase transition. PMID- 29200274 TI - Shape Evolution of Biconcave Djurleite Cu1.94S Nanoplatelets Produced from CuInS2 Nanoplatelets by Cation Exchange. AB - Development of nanomaterials of previously unavailable shapes and compositions continues to be a key need and interest in nanotechnology. Here, we report the preparation of unique biconcave djurleite Cu1.94S nanoplatelets (NPls) from template CuInS2 (copper indium sulfide, CIS) NPls via a cation exchange (CE) reaction. Upon initiation of the CE reaction, the In3+ ions diffuse out of the CIS crystal lattice, and the remaining copper sulfide adopts the djurleite phase almost instantly. This rapid phase transition produces numerous vacancies and defects before Cu+ ions can diffuse into the nanostructures. The formation of a biconcave shape is attributed to the assembly and migration of these defects. The flat surfaces of the NPls are ultimately restored through a ripening process that produces single-crystalline NPls much thicker than the starting templates. Striped NPls were observed in the final products, due to stacking faults at the boundary between newly deposited and residual layers of djurleite. These studies not only provide a better understanding of the relationships among composition, morphology, and crystal structure for copper sulfide-based nanocrystals, but also provide a pathway to a previously inaccessible morphology. PMID- 29200275 TI - Thiolation Protein-Based Transfer of Indolyl to a Ribosomally Synthesized Polythiazolyl Peptide Intermediate during the Biosynthesis of the Side-Ring System of Nosiheptide. AB - Nosiheptide, a potent bicyclic member of the family of thiopeptide antibiotics, possesses a distinctive l-Trp-derived indolyl moiety. The way in which this moiety is incorporated into a ribosomally synthesized and post-translationally modified thiopeptide remains poorly understood. Here, we report that NosK, an alpha/beta-hydrolase fold protein, mediates the transfer of indolyl from NosJ, a discrete thiolation protein, to a linear pentathiazolyl peptide intermediate rather than its genetically encoded untreated precursor. This intermediate results from enzymatic processing of the peptide precursor, in which five of the six l-Cys residues are transformed into thiazoles but Cys4 selectively remains unmodified for indolyl substitution via a thioester exchange. Determining the timing of indolyl incorporation, which expands the chemical space of a thiopeptide framework, facilitates mechanistic access to the unusual logic of post-translational modifications in the biosynthesis of nosiheptide-type thiopeptide members that share a similar compact side-ring system. PMID- 29200276 TI - Topologically Directed Assemblies of Semiconducting Sphere-Rod Conjugates. AB - Spontaneous organizations of designed elements with explicit shape and symmetry are essential for developing useful structures and materials. We report the topologically directed assemblies of four categories (a total of 24) of sphere rod conjugates, composed of a sphere-like fullerene (C60) derivative and a rod like oligofluorene(s) (OF), both of which are promising organic semiconductor materials. Although the packing of either spheres or rods has been well-studied, conjugates having both shapes substantially enrich resultant assembled structures. Mandated by their shapes and topologies, directed assemblies of these conjugates result not only in diverse unconventional semiconducting supramolecular lattices with controlled domain sizes but also in tunable charge transport properties of the resulting structures. These results demonstrate the importance of persistent molecular topology on hierarchically assembled structures and their final properties. PMID- 29200277 TI - Fast Startup of Semi-Pilot-Scale Anaerobic Digestion of Food Waste Acid Hydrolysate for Biogas Production. AB - In this study, a fast startup of semi-pilot-scale anaerobic digestion of food waste acid hydrolysate for biogas production was carried out for the first time. During the period of fast startup, more than 85% of chemical oxygen demand (COD) can be degraded, and even more than 90% of COD can be degraded during the later stage of anaerobic digestion. During this anaerobic digestion process, the biogas yield, the methane yield, and the CH4 content in biogas were 0.542 +/- 0.056 m3/kgCOD consumption, 0.442 +/- 0.053 m3/kgCOD consumption, and 81.52 +/- 3.05%, respectively, and these values were high and stable. Besides, the fermentation pH was very stable, in which no acidification was observed during the anaerobic digestion process (outlet pH was 7.26 +/- 0.05 for the whole anaerobic digestion). Overall, the startup of this anaerobic digestion can be completed in a short period (the system can be stable 2 days after the substrate was pumped into the bioreactor), and anaerobic digestion of food waste acid hydrolysate is feasible and attractive for industrial treatment of food waste and biogas production. PMID- 29200278 TI - Sensomics-Based Molecularization of the Taste of Pot-au-Feu, a Traditional Meat/Vegetable Broth. AB - Targeted quantification of 49 basic taste-active molecules, followed by the calculation of dose-over-threshold (DoT) factors, and taste re-engineering experiments revealed minerals, nucleotides/nucleosides, amino acids, organic acids, and carbohydrates as the key compounds of Pot-au-Feu, a traditional broth preparation from beef cuts and vegetables. Moreover, the dipeptide carnosine was identified to be the key inducer for the white-meaty and thick-sour orosensation of the broth, next to anserine and 1-deoxy-d-fructosyl-N-beta-alanyl-l-histidine, the latter of which has been identified for the first time by means of a sensory guided fractionation. Sensory studies revealed the threshold concentration of carnosine in model broth to decrease by a factor of 5 upon nonenzymatic glycosylation to reach 4.4 mmol/L for its Amadori product 1-deoxy-d-fructosyl-N beta-alanyl-l-histidine. PMID- 29200279 TI - Ligand-Field Energy Splitting in Lanthanide-Based Single-Molecule Magnets by NMR Spectroscopy. AB - A method for the experimental determination of ligand-field (LF) energy splitting in mononuclear lanthanide complexes, based purely on variable-temperature NMR spectroscopy, was developed. The application of this method in an isostructural series of anionic lanthanide bis(cyclooctatetraenide) double-decker compounds bearing large rigid substituents is demonstrated. Using the three-nuclei plot approach devised by Reilley, the isostructurality of the compound series and the identical orientation of the magnetic main axis of all Ln3+ ions in the series Tb3+ to Tm3+ are demonstrated. Measurement of the 2H NMR spectra of partially deuterated analogues of the complexes permitted determination of the axial magnetic susceptibility anisotropies chiax for all five ions in the temperature range from 185 to 335 K. For this purpose, analysis of the hyperfine shifts was combined with structural models derived from density functional theory calculations. In a final step, the temperature dependence of the chiax values was used for determination of the three axial LF parameters, adapting a method employed previously for phthalocyanine-based systems. The temperature dependence dictated by the LF parameters determined by this NMR-based approach is compared to the results of recently published ab initio calculations of the system, indicating reasonable agreement of both methods. For all ions except Dy3+, the NMR method determines the same mJ ground state as the calculations and the order and energies of the excited states match well. However, the sign of the magnetic anisotropy of the dysprosium complex in the temperature range evaluated here is not correctly predicted by the published calculations but can be described accurately by the NMR approach. This shows that our experimental method for determination of the LF parameters is an ideal complementation to other theoretical and experimental methods. PMID- 29200280 TI - A Gigantic Molecular Wheel of {Gd140}: A New Member of the Molecular Wheel Family. AB - Nanoscale inorganic wheel-shaped structures are one of the most striking types of molecular aggregations. Here, we report the synthesis of a gigantic lanthanide wheel cluster containing 140 Gd3+ atoms. As the largest lanthanide cluster reported thus far, {Gd140} features an attractive wheel-like structure with 10 fold symmetry. The nanoscopic molecular wheel possesses the largest diameter of 6.0 nm and displays high stability in solution, which allows direct visualization by scanning transmission electron microscopy. The newly discovered lanthanide {Gd140} cluster represents a new member of the molecular wheel family. PMID- 29200281 TI - Discovery and Optimization of Thiazolidinyl and Pyrrolidinyl Derivatives as Inhaled PDE4 Inhibitors for Respiratory Diseases. AB - Phosphodiesterase 4 (PDE4) is a key cAMP-metabolizing enzyme involved in the pathogenesis of inflammatory disease, and its pharmacological inhibition has been shown to exert therapeutic efficacy in chronic obstructive pulmonary disease (COPD). Herein, we describe a drug discovery program aiming at the identification of novel classes of potent PDE4 inhibitors suitable for pulmonary administration. Starting from a previous series of benzoic acid esters, we explored the chemical space in the solvent-exposed region of the enzyme catalytic binding pocket. Extensive structural modifications led to the discovery of a number of heterocycloalkyl esters as potent in vitro PDE4 inhibitors. (S*,S**)-18e and (S*,S**)-22e, in particular, exhibited optimal in vitro ADME and pharmacokinetics properties and dose-dependently counteracted acute lung eosinophilia in an experimental animal model. The optimal biological profile as well as the excellent solid-state properties suggest that both compounds have the potential to be effective topical agents for treating respiratory inflammatory diseases. PMID- 29200282 TI - Incomplete Refolding of Antibody Light Chains to Non-Native, Protease-Sensitive Conformations Leads to Aggregation: A Mechanism of Amyloidogenesis in Patients? AB - Genetic, biochemical, and pharmacologic evidence supports the hypothesis that conformationally altered or misfolded protein states enable aggregation and cytotoxicity in the systemic amyloid diseases. Reversible structural fluctuations of natively folded proteins are involved in the aggregation of many degenerative disease associated proteins. Herein, we use antibody light chains (LCs) that form amyloid fibrils in AL amyloidosis to consider an alternative hypothesis of amyloidogenesis: that transient unfolding and incomplete extracellular refolding of secreted proteins can lead to metastable, alternatively folded states that are more susceptible to aggregation or to endoproteolysis that can release aggregation-prone fragments. Refolding of full-length lambda6a LC dimers comprising an interchain disulfide bond from heat- or chaotrope-denatured ensembles in buffers yields the native dimeric state as well as alternatively folded dimers and aggregates. LC variants lacking an interchain disulfide bond appear to refold fully reversibly to the native state. The conformation of a backbone peptidyl-proline amide in the LC constant domain, which is cis in the native state, may determine whether the LC refolds back to the native state. A proline to alanine (P147A) LC variant, which cannot form the native cis-amide conformation, forms amyloid fibrils from the alternatively folded ensemble, whereas all the full-length lambda6a LCs we have studied to date do not form amyloid under analogous conditions. P147A LC variants are susceptible to endoproteolysis by thrombin, enabling amyloidogenesis of the fragments released. Thus, non-native LC structural ensembles containing a tyrosine 146-proline 147 trans-amide bond can initiate and propagate amyloid formation, either directly or after aberrant endoproteolysis. PMID- 29200283 TI - In Vitro Biosynthetic Studies of Bottromycin Expand the Enzymatic Capabilities of the YcaO Superfamily. AB - The bottromycins belong to the ribosomally synthesized and posttranslationally modified peptide (RiPP) family of natural products. Bottromycins exhibit unique structural features, including a hallmark macrolactamidine ring and thiazole heterocycle for which divergent members of the YcaO superfamily have been biosynthetically implicated. Here we report the in vitro reconstitution of two YcaO proteins, BmbD and BmbE, responsible for the ATP-dependent cyclodehydration reactions that yield thiazoline- and macrolactamidine-functionalized products, respectively. We also establish the substrate tolerance for BmbD and BmbE and systematically dissect the role of the follower peptide, which we show serves a purpose similar to canonical leader peptides in directing the biosynthetic enzymes to the substrate. Lastly, we leverage the expanded capabilities of YcaO proteins to conduct an extensive bioinformatic survey to classify known YcaO chemistry. This analysis predicts new functions remain to be uncovered within the superfamily. PMID- 29200284 TI - Bismuth-Induced Inactivation of Ferric Uptake Regulator from Helicobacter pylori. AB - Ferric uptake regulator (Fur) of Helicobacter pylori is a global regulator that is important for bacterial colonization and survival within the gastric mucosa. H. pylori Fur (HpFur) is unique in its ability to regulate gene expression in both metal-bound (holo-Fur) and metal-free (apo-Fur) forms. Bismuth-based drugs are widely used for the treatment of H. pylori infection. However, the mechanism of action of bismuth drug was not fully understood. Recently, it has been reported that bismuth drugs could interfere with the bacterial ferric uptake pathway and inhibit bacterial growth, implying intrinsic correlation between bismuth drug and bacterial iron metabolism. Herein, we demonstrate that Bi(III) binds to HpFur protein specifically at the physiologically important S1 site, which further leads to protein oligomerization and loss of DNA binding capability. The targeting of HpFur by bismuth drugs significantly reduced transcription levels of its regulated genes, which are crucial for bacterial physiology and metabolism. Our studies present direct evidence that perturbation of iron metabolism in H. pylori by bismuth might serve as one of the mechanisms for the antimicrobial activity of bismuth drugs. PMID- 29200285 TI - Site-Specific Modification of Single-Chain Antibody Fragments for Bioconjugation and Vascular Immunotargeting. AB - The conjugation of antibodies to drugs and drug carriers improves delivery to target tissues. Widespread implementation and effective translation of this pharmacologic strategy awaits the development of affinity ligands capable of a defined degree of modification and highly efficient bioconjugation without loss of affinity. To date, such ligands are lacking for the targeting of therapeutics to vascular endothelial cells. To enable site-specific, click-chemistry conjugation to therapeutic cargo, we used the bacterial transpeptidase, sortase A, to attach short azidolysine containing peptides to three endothelial-specific single chain antibody fragments (scFv). While direct fusion of a recognition motif (sortag) to the scFv C-terminus generally resulted in low levels of sortase mediated modification, improved reaction efficiency was observed for one protein, in which two amino acids had been introduced during cloning. This prompted insertion of a short, semi-rigid linker between scFv and sortag. The linker significantly enhanced modification of all three proteins, to the extent that unmodified scFv could no longer be detected. As proof of principle, purified, azide-modified scFv was conjugated to the antioxidant enzyme, catalase, resulting in robust endothelial targeting of functional cargo in vitro and in vivo. PMID- 29200286 TI - Ligand Effect on the Single-Molecule Magnetism of Tetranuclear Co(II) Cubane. AB - A clear dependence on the ligand has been observed for the magnetic properties of a closely related series of Co(II) cubane structures, viz. [Co4(mbm or bm)4(ROH)4Br4] (1-MeOH, 1-EtOH, 2-MeOH, and 2-EtOH, where 1 = [Co4(mbm)4Br4], 2 = [Co4(bm)4Br4], bm = (1H-benzo[d]imidazol-2-yl)methanolate. and mbm = 1-Me-bm.) The [Co4(OR)4] cubane core consists of an octahedral CoII center chelated by the alkoxide oxygen and imidazole nitrogen atoms from monoanionic bm or mbm and coordinated by methanol/alcohol and bromine. Interestingly, electrospray ionization mass spectrometry (ESI-MS) indicates that 1-MeOH and 2-MeOH are unstable in methanol and transformed to the butterfly [Co4L6]2+ but that 1-EtOH and 2-EtOH are stable in ethanol. Their magnetic susceptibilities suggest ferromagnetic coupling between the nearest cobalt centers to give a theoretical S = 4 * 3/2 ground state with considerable magneto-crystalline behavior. The packing and intermolecular interactions appear to influence the geometry of the cubes and thus the anisotropy of cobalt, which leads to different blocking temperatures (TB). Consequently, the compounds with mbm, 1-MeOH and 1-EtOH, exhibit TB > 2 K as shown by the relaxation of magnetization in zero applied dc field where the barriers Ueff/kB are respectively 27 and 21 K and relaxation times are tau0 = 1.3 * 10-9 and 9.7 * 10-9 s. However, the compounds with bm, 2 MeOH and 2-EtOH, remain paramagnetic above 2 K and do not show nonlinear response of the ac susceptibilities. These findings reaffirm the subtle dependence of single-molecule magnetism on coordination geometry and intermolecular interaction. PMID- 29200288 TI - Novel Molecules To Treat Chronic Central Nervous System Toxoplasmosis. AB - A major challenge in treating toxoplasmosis in immunocompromised patients is lack of therapeutic agents to clear chronic infection and stop the recrudescence of infection after therapy. CDKP1 has emerged as a novel target for treating chronic infections and eliminating latent bradyzoites in the brain. In a mouse model of toxoplasmosis, pyrazolopyrimidine inhibitors of Toxoplasma gondii CDPK1 demonstrated in vitro and in vivo efficacy. PMID- 29200289 TI - Ab Initio Simulations of Water Dynamics in Aqueous TMAO Solutions: Temperature and Concentration Effects. AB - We use ab initio molecular dynamics simulation to study the effect of hydrophobic groups on the dynamics of water molecules in aqueous solutions of trimethylamine N-oxide (TMAO). We show that hydrophobic groups induce a moderate (<2-fold) slowdown of water reorientation and hydrogen-bond dynamics in dilute solutions, but that this slowdown rapidly increases with solute concentration. In addition, the slowdown factor is found to vary very little with temperature, thus suggesting an entropic origin. All of these results are in quantitative agreement with prior classical molecular dynamics simulations and with the previously suggested excluded-volume model. The hydrophilic TMAO headgroup is found to affect water dynamics more strongly than the hydrophobic moiety, and the magnitude of this slowdown is very sensitive to the strength of the water-solute hydrogen-bond. PMID- 29200290 TI - First-Principles Molecular Dynamics Study of a Deep Eutectic Solvent: Choline Chloride/Urea and Its Mixture with Water. AB - First-principles molecular dynamics simulations in the canonical ensemble at temperatures of 333 and 363 K and at the corresponding experimental densities are carried out to investigate the behavior of the 1:2 choline chloride/urea (reline) deep eutectic solvent and its equimolar mixture with water. Analysis of atom-atom radial and spatial distribution functions and of the H-bond network reveals the microheterogeneous structure of these complex liquid mixtures. In neat reline, the structure is governed by strong H-bonds of the trans- and cis-H atoms of urea to the chloride ion. In hydrous reline, water competes for the anions, and the H atoms of urea have similar propensities to bond to the chloride ions and the O atoms of urea and water. The vibrational spectra exhibit relatively broad peaks reflecting the heterogeneity of the environment. Although the 100 ps trajectories allow only for a qualitative assessment of transport properties, the simulations indicate that water is more mobile than the other species and its addition also fosters faster motion of urea. PMID- 29200291 TI - Correction to Mutational Replacements at the "Glycine Hinge" of the Escherichia coli Chemoreceptor Tsr Support a Signaling Role for the C-Helix Residue. PMID- 29200287 TI - Drug-Drug Interactions between Atorvastatin and Dronedarone Mediated by Monomeric CYP3A4. AB - Heterotropic interactions between atorvastatin (ARVS) and dronedarone (DND) have been deciphered using global analysis of the results of binding and turnover experiments for pure drugs and their mixtures. The in vivo presence of atorvastatin lactone (ARVL) was explicitly taken into account by using pure ARVL in analogous experiments. Both ARVL and ARVS inhibit DND binding and metabolism, while a significantly higher affinity of CYP3A4 for ARVL makes the latter the main modulator of activity (effector) in this system. Molecular dynamics simulations reveal significantly different modes of interactions of DND and ARVL with the substrate binding pocket and with a peripheral allosteric site. Interactions of both substrates with residues F213 and F219 at the allosteric site play a critical role in the communication of conformational changes induced by effector binding to productive binding of the substrate at the catalytic site. PMID- 29200292 TI - Metastable State during Melting and Solid-Solid Phase Transition of [CnMim][NO3] (n = 4-12) Ionic Liquids by Molecular Dynamics Simulation. AB - We simulate the heating process of ionic liquids [CnMim][NO3] (n = 4, 6, 8, 10, 12), abbreviated as Cn, by means of molecular dynamics (MD) simulation starting from a manually constructed triclinic crystal structure composed of polar layers containing anions and cationic head groups and nonpolar regions in between containing cationic alkyl side chains. During the heating process starting from 200 K, each system undergoes first a solid-solid phase transition at a lower temperature, and then a melting phase transition at a higher temperature to an isotropic liquid state (C4, C6, and C8) or to a liquid crystal state (C10 and C12). After the solid-solid phase transition, all systems keep the triclinic space symmetry, but have a different set of lattice constants. C4 has a more significant structural change in the nonpolar regions which narrows the layer spacing, while the layer spacings of other systems change little, which can be qualitatively understood by considering that the contribution of the effective van der Waals interaction in the nonpolar regions (abbreviated as EF1) to free energy becomes stronger with increasing side-chain length, and at the same time the contribution of the effective electrostatic interaction in the polar layers (abbreviated as EF2) to free energy remains almost the same. The melting phase transitions of all systems except C6 are found to be a two-step process with an intermediate metastable state appeared during the melting from the crystal state to the liquid or liquid crystal state. Because the contribution of EF2 to the free energy is larger than EF1, the metastable state of C4 has the feature of having higher ordered polar layers and lower ordered side-chain orientation. By contrast, C8-C12 have the feature of having lower ordered polar layers and higher ordered side-chain orientation, because for these systems, the contribution of EF2 to the free energy is smaller than EF1. No metastable state is found for C6 because the free-energy contribution of EF1 is balanced with EF2. PMID- 29200293 TI - Dual-Functional Tamm-Dancoff Approximation with Self-Interaction-Free Orbitals: Vertical Excitation Energies and Potential Energy Surfaces near an Intersection Seam. AB - Recently we have developed the dual-functional Tamm-Dancoff approximation (DF TDA) method. DF-TDA is an alternative to linear-response time-dependent density functional theory (LR-TDDFT) with the advantage of providing a correct double cone topology of S1/S0 conical intersections. In the DF-TDA method, we employ different functionals, which are denoted G and F, for orbital optimization and Hamiltonian construction. We use the notation DF-TDA/G:F. In the current work, we propose that G be the same as F except for having 100% Hartree-Fock exchange. We use the notation F100 to denote functional F with this modification. A motivation for this is that functionals with 100% Hartree-Fock exchange are one-electron self-interaction-free. Here we validate the use of F100/M06 to compute vertical excitation energies and the global potential energy surface of ammonia near a conical intersection to further validate the F100 method for photochemical problems. PMID- 29200294 TI - Eudesmane Sesquiterpenes from Verbesina lanata with Inhibitory Activity against Grapevine Downy Mildew. AB - An in-house library of more than 3000 extracts of plant and fungal origin was screened against some major plant pathogens. As one of the hits, an ethyl acetate extract from inflorescences of Verbesina lanata showed significant inhibitory activity in vitro against grapevine downy mildew (Plasmopara viticola), with a MIC100 value of 35 MUg/mL. An emulsifiable concentrate formulation with 50 mg/g of the extract was developed for in vivo evaluation. A suspension of the formulation containing 1 mg/mL of extract lowered leaf surface infection of grapevine seedling by 82% compared to the nontreated control. With the aid of HPLC-based activity profiling, the antifungal activity was correlated with a series of lipophilic compounds. Preparative isolation by a combination of chromatographic techniques afforded 16 eudesmane sesquiterpenes including eight new congeners. Nine compounds were obtained in sufficient quantities to be tested in vitro and were found to inhibit the zoospore activity of P. viticola with MIC100 values ranging from 4 to 50 MUg/mL. The two major compounds, 6beta cinnamoyloxy-4beta,9beta,15-trihydroxyeudesmane (9) and 6beta-cinnamoyloxy 1beta,15-dihydroxyeudesm-4-en-3-one (13), showed MIC100 values of 5 and 31 MUg/mL, respectively. PMID- 29200296 TI - Computational Comparison of Different Reagent Ions in the Chemical Ionization of Oxidized Multifunctional Compounds. AB - High pressure anion chemical ionization is commonly used for the detection of neutral molecules in the gas phase. The detection efficiency in these measurements depends on how strongly the reagent ion binds to the neutral target molecule. We have calculated the binding strength of nitrate (NO3-), acetate (CH3C(O)O-), lactate (CH3CH(OH)C(O)O-), trifluoroacetate (CF3C(O)O-), trifluoromethanolate (CF3O-), bromide (Br-), and iodide (I-) reagent ions to ten different products derived from the OH radical-initiated oxidation of butadiene. We found that the binding of these oxidation products to the reagent ions depends almost linearly on the number of oxygen atoms in the target molecule, with the precise chemical identity of the compound (e.g., the number and relative position of hydroxyl or hydroperoxy groups) playing a more minor role. For acetate, the formation free energy decreases on average by around 4 kcal/mol when the number of oxygen atoms in the sample molecule increases by one. For the other reagent ions the corresponding decrease is around 3 kcal/mol. For all of the molecules studied, acetate forms the most stable clusters and I- the least stable. We also investigated the effect of humidity on the chemical ionization by calculating how strongly water molecules bind to both the reagent ions and the ion-molecule clusters. Water binds much more strongly to the reagent ion monomers compared to the reagent ion "dimers" (defined here as a cluster of the reagent anion with the corresponding neutral conjugate acid, e.g., HNO3(NO3-)) or the ion-molecule clusters. This likely leads to a stronger humidity dependence when using reagent ions that are not able to form reagent ion dimers (such as CF3C(O)O-, CF3O-, Br-, and I-). PMID- 29200295 TI - Fluorous l-Carbidopa Precursors: Highly Enantioselective Synthesis and Computational Prediction of Bioactivity. AB - New fluorous enantiopure (S)-alpha-aminated beta-keto esters were prepared through a highly enantioselective electrophilic alpha-amination step in the presence of europium triflate and (R,R)-phenyl-pybox. These compounds are precursors of fluorinated analogues of l-carbidopa, which is known to inhibit DOPA decarboxylase (DDC), a key protein in Parkinson's disease. Fluorination provides better stability for biological applications, which could possibly lead to DDC inhibitors better than l-carbidopa itself. Induced fit docking computational simulations performed on the new structures interacting with DDC highlight that for an efficient binding at the DDC site, at least one hydroxyl substituent must be present at the aromatic ring of the l-carbidopa analogues and show that the presence of fluorine can further fix the position of the ligand in the active site. PMID- 29200297 TI - Pitch and Handedness of the Cholesteric Order in Films of a Chiral Alternating Fluorene Copolymer. AB - The molecular organization in thermally annealed films of poly(9,9-bis((S)-3,7 dimethyloctyl)-2,7-fluorene-alt-benzothiadiazole) is investigated using polarized light. Measurement of linear polarization in transmission and reflection as a function of layer thickness and orientation directly show a left handed cholesteric organization with a pitch length of 600 nm. Results are corroborated by measurements of circularly polarized reflection and generalized ellipsometry and are compared to calculations of the optical properties based on the Maugin Oseen-DeVries model. For wavelengths near the lowest allowed optical transition, light with the same handedness as the cholesteric arrangement (left) is found to be reflected and transmitted with a probability higher than right circularly polarized light. The high transmission for left polarized light is interpreted as an optical manifestation of the Borrmann effect. PMID- 29200298 TI - Molecular Dynamics Study of the Collision-Induced Reaction of H with CO on Small Water Clusters. AB - The successive hydrogenation of CO is supposed to be the main mechanism leading to the formation of complex oxygenated species in the interstellar medium, possibly mediated by ice layers or ice grains. In order to simulate the dynamical influence of a water environment on the first step of the hydrogenation process, we perform molecular dynamics simulations of the reactive collision of H with CO adsorbed on water clusters in the framework of the self-consistent-charge density functional based tight-binding approach (SCC-DFTB) to calculate potential energy surfaces. The reaction probabilities and the reactive cross sections are determined for water cluster sizes up to ten water molecules. The collision results are analyzed in terms of different reaction pathways: reactive or nonreactive, sticking or desorption of the products or reactants. We show that the HCO radical, although potentially formed as an intermediate regardless of the size of the water cluster, is significantly stabilized for cluster sizes larger than one water molecule and may remain adsorbed on water clusters with more than three molecules. This behavior is shown to be linked with the dissipation of the collision energy into vibrational excitation of the water cluster. PMID- 29200299 TI - Solvation Structure of Sodium Bis(fluorosulfonyl)imide-Glyme Solvate Ionic Liquids and Its Influence on Cycling of Na-MNC Cathodes. AB - Electrolytes consisting of sodium bis(fluorosulfonyl)imide (NaFSI) dissolved in glymes (monoglyme, diglyme, and triglyme) were characterized by FT-Raman spectroscopy and 13C, 17O, and 23Na NMR spectroscopy. The glyme:NaFSI molar ratio was varied from 50:1 to 1:1, and it was observed that, in the dilute electrolytes, the sodium salt is completely dissociated into solvent separated ion pairs (SSIPs). However, contact ion pairs (CIPs) and aggregates (AGGs) become the predominant species in more concentrated solutions. Some of the electrolytes with the highest concentrations can be classified as solvate ionic liquids (SILs), where all of the solvent molecules are coordinated to sodium cations. Therefore, these electrolytes are fundamentally different from more dilute electrolytes which are typically used in commercially available secondary batteries. The melting point or glass transition temperature, dynamic viscosity, density, sodium concentration, and ionic conductivity of these solvate ionic liquids are reported as well as the crystal structures of [Na(G3)][FSI] and [Na(G3)2][FSI]. Galvanostatic cycling experiments were performed in coin-type cells with a Na2/3[Mn0.55Ni0.30Co0.15]O2 cathode to study the influence of these electrolytes on the electrochemical stability and charge/discharge behavior. PMID- 29200300 TI - Experimental and Molecular Modeling Evaluation of the Physicochemical Properties of Proline-Based Deep Eutectic Solvents. AB - The liquid range and applicability of deep eutectic solvents (DESs) are determined by their physicochemical properties. In this work, the physicochemical properties of glycolic acid:proline and malic acid:proline were evaluated experimentally and with MD simulations at five different ratios. Both DESs exhibited esterification upon preparation, which affected the viscosity in particular. In order to minimize oligomer formation and water release, three different experimental preparation methods were explored, but none could prevent esterification. The experimental and calculated densities of the DESs were found to be in good agreement. The measured and modeled glass transition temperature showed similar trends with composition, as did the experimental viscosity and the calculated diffusivities. The MD simulations provided additional insight at the atomistic level, showing that at acid-rich compositions, the acid-acid hydrogen bonding (HB) interactions prevail. Malic acid-based DESs show stronger acid-acid HB interactions than glycolic acid-based ones, possibly explaining its extreme viscosity. Upon the addition of proline, the interspecies interactions become predominant, confirming the formation of the widely assumed HB network between the DESs constituents in the liquid phase. PMID- 29200301 TI - Selectivity of Glycine for Facets on Gold Nanoparticles. AB - The performance of nanoparticles in medical applications depends on their interactions with various molecules. Despite extensive research on this subject, it remains unclear where on an inhomogeneous nanoparticle molecules prefer to adsorb. Here we investigate the selectivity of glycine molecules for facets on five bare gold nanoparticles with diameters from 1.0 to 5.0 nm. Well-tempered metadynamics simulations are conducted to calculate the adsorption free-energy landscapes of a glycine molecule on various locations for the five gold nanoparticles in explicit water. We also calculate the glycine molecule's adsorption free energies on the five gold nanoparticles in vacuum and on three flat gold surfaces as a reference. The simulation results show that glycine molecules prefer to adsorb on the (110) facet for the 1.0 and 2.0 nm nanoparticles, the edges for the 3.0 nm nanoparticle, and the (111) facet for the 4.0 and 5.0 nm nanoparticles in water. The effect of water solvent on the selectivity is investigated through comparing the adsorption free-energy landscapes for glycine molecules on the nanoparticles in water and in vacuum. The area of the facet plays a key role in determining the selectivity of glycine molecules for the different facets, especially the shift of the selectivity as the nanoparticle diameter changes. Our simulations suggest that nanoparticle size and shape can be engineered to control the preferred adsorption location of molecules. PMID- 29200302 TI - Activated Wetting of Nanostructured Surfaces: Reaction Coordinates, Finite Size Effects, and Simulation Pitfalls. AB - A liquid in contact with a textured surface can be found in two states, Wenzel and Cassie. In the Wenzel state the liquid completely wets the corrugations while in the Cassie state the liquid is suspended over the corrugations with air or vapor trapped below. The superhydrophobic properties of the Cassie state are exploited for self-cleaning, drag reduction, drug delivery, etc., while in the Wenzel state most of these properties are lost; it is therefore of great fundamental and technological interest to investigate the kinetics and mechanism of the Cassie-Wenzel transition. Computationally, the Cassie-Wenzel transition is often investigated using enhanced sampling ("rare events") techniques based on the use of collective variables (CVs). The choice of the CVs is a crucial task because it affects the free-energy profile, the estimation of the free-energy barriers, and the evaluation of the mechanism of the process. Here we investigate possible simulation artifacts introduced by common CVs adopted for the study of the Cassie-Wenzel transition: the average particle density in the corrugation of a textured surface and the coarse-grained density field at various levels of coarse graining. We also investigate possible additional artifacts associated with finite size effects. We focus on a pillared surface, a system often used in technological applications. We show that the use of a highly coarse-grained density (a single CV) of the fluid in the interpillar region brings to severe artifacts: errors of hundreds of kBT in the difference of free energy between the Cassie and Wenzel states, of tens of kBT in the estimate of the free-energy barriers, and erroneous wetting mechanisms. A proper description of the wetting mechanism and its energetics apparently requires a fine discretization of the density field. Concerning the finite-size effects, we have found that the typical systems employed in simulations of the Cassie-Wenzel transition, containing a single pillar within periodic boundary conditions, prevent the complete break of translational symmetry of the liquid-vapor meniscus during the process. Capturing this break of symmetry is crucial for describing the transition state along the wetting process and the early stage of the opposite process, the Wenzel-Cassie transition. PMID- 29200303 TI - Effect of Glucose on the Mobility of Membrane-Adhering Liposomes. AB - Enclosed lipid bilayer structures, referred to as liposomes or lipid vesicles, have a wide range of biological functions, such as cellular signaling and membrane trafficking. The efficiency of cellular uptake of liposomes, a key step in many of these functions, is strongly dependent on the contact area between a liposome and a cell membrane, which is governed by the adhesion force w, the membrane bending energy kappa, and the osmotic pressure Deltap. Herein, we investigate the relationship between these forces and the physicochemical properties of the solvent, namely, the presence of glucose (a nonionic osmolyte). Using fluorescence microscopy, we measure the diffusivity D of small (~50 nm radius), fluorescently labeled liposomes adhering to a supported lipid bilayer or to the freestanding membrane of a giant (~10 MUm radius) liposome. It is observed that glucose in solution reduces D on the supported membrane, while having negligible effect on D on the freestanding membrane. Using well-known hydrodynamic theory for the diffusivity of membrane inclusions, these observations suggest that glucose enhances the contact area between the small liposomes and the underlying membrane, while not affecting the viscosity of the underlying membrane. In addition, quartz crystal microbalance experiments showed no significant change in the hydrodynamic height of the adsorbed liposomes, upon adding glucose. This observation suggests that instead of osmotic deflation, glucose enhances the contact area via adhesion forces, presumably due to the depletion of the glucose molecules from the intermembrane hydration layer. PMID- 29200304 TI - Salt-Responsive Fe3O4 Nanocomposites and Phase Behavior in Water. AB - The ability to achieve exquisite control over polymer building blocks within multicompartment magnetite nanocomposites (NCs) to afford predictable and ordered packing hierarchical structures remains a significant challenge for the design of NCs. Thus, there is an urgent need to develop new types of nano-dimensional assemblies that undergo responsive shape shift, size, phase, and morphological transitions, especially for processes that are triggered by biologically relevant stimuli such as ionic gradients to meet the demand for diverse applications. Accordingly, we report an unprecedented concept for the preparation of salt responsive magnetite/polyaniline composite nanoassemblies with chemically distinct dual-compartment structures. The size, shape, and nano-dimensional phase separation of the PANI assemblies within NCs were adjusted in a facile manner with incremental changes in salt gradients using NaCl(aq). Composition effects bestow desirable diversiform shape, size, and phase behavior of the incorporated conductive polymer via dynamic H-bonding. The size, shape, and superparamagnetic character of iron oxide nanoparticles (IONPs) are unaffected by a "salting-in" process. The mechanism, gradual morphological evolution, interchangeable nanophase separation, and ion-stimulated disassembly of PANI building blocks for these magneto/ion-responsive polymer-composites at elevated ionic strength are strongly supported by DLS, Raman spectroscopy, TEM, and equilibrium dye (MB/MO) recognition studies. PMID- 29200305 TI - Total Synthesis of Propolisbenzofuran B. AB - An efficient synthesis of propolisbenzofuran B, which possesses promising anticancer activity, is reported. The key cyclohexanone framework of this tricyclic natural product has been constructed employing a Rh-catalyzed intramolecular olefin hydroacylation. The requisite key olefin intermediate was synthesized by using gold-catalyzed allenyl ether [1,3] O -> C rearrangement. PMID- 29200306 TI - Self-Assembled Ligands Targeting TLR7: A Molecular Level Investigation. AB - Toll-like receptors (TLRs) are pattern recognition transmembrane proteins that play an important role in innate immunity. In particular, TLR7 plays a role in detecting nucleic acids derived from viruses and bacteria. The huge number of pathologies in which TLR7 is involved has led to an increasing interest in developing new compounds targeting this protein. Several conjugation strategies were proposed for TLR7 agonists to increase the potency while maintaining a low toxicity. In this work, we focus the attention on two promising classes of TLR7 compounds derived from the same pharmacophore conjugated with phospholipid and polyethylene glycol (PEG). A multidisciplinary investigation has been carried out by molecular dynamics (MD), dynamic light scattering (DLS), electron paramagnetic resonance (EPR), and cytotoxicity assessment. DLS and MD indicated how only the phospholipid conjugation provides the compound abilities to self-assemble in an orderly fashion with a maximal pharmacophore exposition to the solvent. Further EPR and cytotoxicity experiments highlighted that phospholipid compounds organize in stable aggregates and well interact with TLR7, whereas PEG conjugation was characterized by poorly stable aggregates at the cells surface. The methodological framework proposed in this study may be used to investigate, at a molecular level, the interactions generally occurring between aggregated ligands, to be used as drugs, and protein receptors. PMID- 29200307 TI - Binding of 12-Crown-4 with Alzheimer's Abeta40 and Abeta42 Monomers and Its Effect on Their Conformation: Insight from Molecular Dynamics Simulations. AB - Alzheimer's disease is the most common form of dementia and is considered to be caused by the conformational change of Abeta monomers, from their native monomeric states, to form Abeta oligomers/aggregates in the brain. Turn formation in Abeta monomer has been suggested to be the nucleation step for Abeta misfolding. In the present work, we have performed a series of all-atom molecular dynamics simulations, a total time of 11.4 MUs, to elucidate factor that contributes for early stage misfolding of Abeta40 and Abeta42 monomers and reveals the binding modes of 12-crown-4 on Abeta40 and Abeta42 monomer and effect of its binding on structural stability. Our simulation data revealed that the region around Val24-Lys28 is most prevalent for turn formation and a gain of water molecules around Lys28 side chains occurs at the same time as a significant gain in conformational entropy of the side chain. The initiation steps lead a greater number of water molecules available and enhancement of the conformational entropy of the backbone atoms; this leads to greater probability of breaking Lys28 backbone intrapeptide H-bonds, and consequently turns formation. Simulations of Abeta40 and Abeta42 monomers with 12-crown-4 showed that the molecule is highly specific toward positively charged Lys16, Lys28 residues, and N-terminal Asp1. Lys16 and Asp1 have been previously reported to make Abeta peptide toxic. Our secondary structure analysis revealed that in the absence of 12-crown-4 there was a beta-sheet formed in the Abeta40 peptide. In case of Abeta42 monomer, in the absence of 12-crown-4, we observed that the second helix region converted into a coil and turn; however, in the presence of 12-crown-4 it remained stable. Observed pharmacophore features of, 12-crown-4 will not only help in designing new candidate drug molecules, which are specific to Abeta peptides but could also be used to design new imaging probe molecules, which could be used for labeling Abeta peptide. PMID- 29200308 TI - Dramatic Acceleration of an Acyl Transfer-Initiated Cascade by Using Electron Rich Amidine-Based Catalysts. AB - A tandem rearrangement of alpha,beta-unsaturated thioesters into tricyclic ene lactones fails with conventional amidine-based catalysts, but becomes possible when their electron-rich analogs are employed. A highly diastereo- and enantioselective version of this process has been developed using H-PIP 1b, a chiral catalyst prepared over a decade ago, but never utilized since its disclosure. PMID- 29200309 TI - Survival and mortality following TBI. AB - OBJECTIVES: Evaluation of life expectancy (LE) post traumatic brain injury (TBI) is important for planning services for patients and for dealing with medico-legal aspects. We hypothesized that LE for patients who survived 2 years post injury is equal to that of the general population (GP). METHODS: A cohort of 279 patients was assembled during a 5-year period and was followed for 22-27 years. During follow-up, 32 patients (11.5%) died, creating a huge censored data (88.5%). Analyses included standard mortality ratio (SMR), Kaplan-Meier method (KM), Cox proportional hazards regression analysis (PH) and calculations of life expectancy. RESULTS: About 77% of the patients were under 35 years of age at injury. This age cut-off point yielded differences for survival longevity by chi2 tests (p < 0.0001), by KM analysis (p < 0.0001) and by Cox PH regression analysis (p < 0.0001, HR = 13.95). SMR for the entire cohort was 1.86. Shortening of LE in comparison with the GP is 3.58 years. Estimated shortening of LE by severity for mild, moderate and severe injury were -0.51, 4.11 and 13.77 years, respectively. CONCLUSIONS: Patients with mild TBI have a LE similar to the GP, and a reduction in LE was closely related to moderate and severe brain injury. PMID- 29200310 TI - Review: Amino acid concentration of high protein food products and an overview of the current methods used to determine protein quality. AB - Quality of the dietary protein in foods rather than amount of dietary protein may be of greater importance from a human health and wellness standpoint. Various systems are in place to determine the value of dietary protein. Protein digestibility-corrected amino acid score (PDCAAS) and digestible indispensable amino acid score (DIAAS) are the two major protein standards used to determine the completeness of proteins by their unique concentration and digestibility of indispensable amino acids. The purpose of this review was to provide a comprehensive comparison of the amino acid concentration of high protein foods and provide the current status of the use and practicality of the PDCAAS and DIAAS system. This review builds upon previous research analyzing the total nutrient density of protein-rich foods and expands scientific research investigating the quality of proteins. In summary, the average sum of indispensable amino acids for meat and fish products is much more consistent than that of non-meat and plant-based food products. However, some non-meat products have relatively similar amounts of indispensable amino acids on a similar serving size basis. The overwhelming aspect of determining protein quality is that greater research is needed to determine protein digestibility of food products. PMID- 29200311 TI - The development and release of maize fortified with provitamin A carotenoids in developing countries. AB - Micronutrient deficiencies have been identified as major public health problems affecting a large part of the world's population. Biofortification of staple crops like maize has been proposed as one of the most cost effective and feasible approaches to combat micronutrient deficiencies. Studies have shown that provitamin A from biofortified crops is highly bioavailable and has the capacity to improve vitamin A status of vulnerable groups. Most people in sub-Saharan Africa subsist on maize and many people may benefit from consumption of provitamin A carotenoid biofortified maize, especially women and children. With the exception of transgenic golden rice, biofortified crops have received considerable acceptance by most communities. Negative perceptions associated with yellow maize do not affect orange maize, which is, for example, well-liked in rural Zambia. With proper policy frameworks and full commercialization, provitamin A maize can address the problem of vitamin A deficiencies among poor nations with maize-based diets. PMID- 29200312 TI - Levels of circulating cortisol and cytokines in members of the Canadian Armed Forces: associations with age, sex, and anthropometry. AB - : This study assessed blood levels of cortisol and cytokines (inflammatory and non-inflammatory) in members of the regular Canadian Armed Forces (CAF), and examined the associations between sex, age, and adiposity and circulating levels of cortisol as well as pro- and anti-inflammatory cytokines. As part of a larger ranging project, 331 blood samples were collected from a representative population of the total CAF, which included officers and noncommissioned women and men from the Air Force, Navy, and Army. The blood samples were analyzed for levels of cortisol, C-reactive protein (CRP), adiponectin, and 20 cytokines (which included interleukins, interferons, and tumor necrosis factors). Higher levels of adiponectin were found in women compared with men (median and interquartile range; 16.71 (7.68-25.32) vs 5.81 (3.52-13.19) MUg/mL), and higher levels of interleukin (IL)-18 in men compared with women (89.25 (84.03-94.48) vs 75.91 (69.70-82.13) pg/mL). An association between age and levels of stress and inflammatory cytokines was observed, with CRP, IL-18, IL-2 and adiponectin all increasing with increasing age. However, contrary to trends seen in the general population, cortisol levels decreased with increasing age. Levels of CRP and IL 18 increased with an increase in adiposity, while adiponectin levels decreased. Most importantly, at the entire cohort level, a low detection rate for most of the cytokines was observed with 17 out of 22 cytokines having a detection below 10%. IN CONCLUSION: In this CAF population, although an association between age and inflammatory cytokines was observed, both sex and adiposity had a small impact on levels of cortisol and cytokines. PMID- 29200313 TI - Effect of Single Nucleotide Polymorphisms in IGFBP2 and IGFBP3 Genes on Litter Size Traits in Berkshire Pigs. AB - Litter size is among the most important traits in swine breeding. However, information on the genetics of litter size in pigs is lacking. In this study, we identified single nucleotide polymorphisms (SNPs) in the insulin-like growth factor binding protein 2 and 3 (IGFBP2 and IGFBP3) genes in Berkshire pigs and analyzed their association with litter size traits. The IGFBP2 SNP was located on chromosome 15 intron 2 (455, A > T) and the IGFBP3 SNP was on chromosome 18 intron 2 (53, A > G). The AT type of IGFBP2 and the GG type of IGFBP3 had the highest values for all litter size traits including total number born (TNB), number of pigs born alive, and breeding value according to TNB. Homozygous GG pigs expressed higher levels of IGFBP3 mRNA in the endometrium than pigs of other genotypes, and a positive correlation was observed between litter size traits and IGFBP3 but not IGFBP2 expression level. These results suggest that SNPs in the IGFBP2 and the IGFBP3 gene are useful biomarkers for increasing the reproductive productivity of Berkshire pigs. PMID- 29200315 TI - Psychosocial working conditions as determinants of asthma self-management at work: A systematic review. AB - OBJECTIVE: Asthma exerts a considerable impact on patients and their employers. While adequate self-management is able to improve patients' prognosis, its actual implementation in everyday life may depend on contextual factors. We aimed to review the literature on the potential determinants of asthma self-management at the workplace. DATA SOURCES: We systematically searched Medline and PsycINFO using terms related to the key concepts of interest (i.e., adult asthma, working conditions, and self-management). STUDY SELECTION: We included original studies published in peer-reviewed journals in English or German since 1992 addressing any type of asthma self-management behavior as the outcome and any type of working condition as the determinant. RESULTS: Upon implementation of a multi stage selection process, seven articles were included. As those studies showed considerable methodological heterogeneity, a qualitative analysis was applied. A first study identified three different adaptation profiles among employees with asthma with implications for self-management behavior. Another study suggested that concerns about taking time off from work may be associated with the utilization of emergency ambulance services for asthma. Five studies among workers with various chronic illnesses addressed determinants of self-disclosure, coping with acute symptoms (e.g., medication use at work), and the potential effect of practical and emotional support from line managers or colleagues on self-management. CONCLUSION: Our review indicates that the evidence for a potential link of occupational factors with asthma self-management at work is relatively sparse. Future research should take a more comprehensive approach by considering multiple types of working conditions and asthma self-management behaviors simultaneously. PMID- 29200314 TI - Assessment of structural and functional similarity of biosimilar products: Rituximab as a case study. AB - Biosimilars are products that are similar in terms of quality, safety, and efficacy to an already licensed reference/ innovator product and are expected to offer improved affordability. The most significant source of reduction in the cost of development of a biosimilar is the reduced clinical examination that it is expected to undergo as compared to the innovator product. However, this clinical relief is predicated on the assumption that there is analytical similarity between the biosimilar and the innovator product. As a result, establishing analytical similarity is arguably the most important step towards successful development of a biosimilar. Here, we present results from an analytical similarity exercise that was performed with five biosimilars of rituximab (Ristova(r), Roche), a chimeric mouse/ human monoclonal antibody biotherapeutic, that are available on the Indian market. The results show that, while the biosimilars exhibited similarity with respect to protein structure and function, there were significant differences with respect to size heterogeneity, charge heterogeneity and glycosylation pattern. PMID- 29200316 TI - Scientific, statistical, practical, and regulatory considerations in design space development. AB - The quality by design (QbD) paradigm guides the pharmaceutical industry towards improved understanding of products and processes, and at the same time facilitates a high degree of manufacturing and regulatory flexibility throughout the establishment of the design space. This review article presents scientific, statistical and regulatory considerations in design space development. All key development milestones, starting with planning, selection of factors, experimental execution, data analysis, model development and assessment, verification, and validation, and ending with design space submission, are presented and discussed. The focus is especially on frequently ignored topics, like management of factors and CQAs that will not be included in experimental design, evaluation of risk of failure on design space edges, or modeling scale-up strategy. Moreover, development of a design space that is independent of manufacturing scale is proposed as the preferred approach. PMID- 29200317 TI - Pediatric GIST presenting as anemia. AB - Gastrointestinal stromal tumors (GIST) are tumors of the gastrointestinal (GI) tract originating from the myenteric ganglion cells (interstitial cells of Cajal), that are very rare in children and adolescents. The most common clinical manifestation is acute or chronic, overt or occult GI bleeding although these tumors are asymptomatic in 10-30% of patients. We report a case of gastric GIST in a 11-year-old girl presenting with an iron deficiency refractory anemia without gastrointestinal symptoms and stool evidence of GI bleeding that caused a slight diagnostic delay. PMID- 29200318 TI - A simulation study on implementing marginal structural models in an observational study with switching medication based on a biomarker. AB - Assessing treatment effectiveness in longitudinal data can be complex when treatments are not randomly assigned and patients are allowed to switch treatment to other or no treatment, often in a manner that is driven by changes in one or more variables associated with patient or clinical characteristics. There can be confounding of the treatment effect from a time-varying variable, i.e., one which is affected by previous exposure and can in turn also influence subsequent treatment changes. Precision medicine relies on validated biomarkers to better classify patients by their probable response to treatment. However, biomarkers may be a source of time-varying confounding, which are affected by prior treatment in the evaluation and are also subject to measurement errors. The impact of switching medications based on a biomarker has received less attention. We conducted simulation studies to explore biased estimation under various scenarios when marginal structural model estimations are employed. Holding model misspecification issues constant, bias is severe in the presence of multiple switching, along with measurement error and missing data in the covariates. PMID- 29200319 TI - Mitochondrial C4375T mutation might be a molecular risk factor in a maternal Chinese hypertensive family under haplotype C. AB - Here, we reported a Han Chinese essential hypertensive pedigree based on clinical hereditary and molecular data. To know the molecular basis on this family, mitochondrial genome of one proband from the family was identified through direct sequencing analysis. The age of onset year and affected degree of patients are different in this family. And matrilineal family members carrying C4375T mutation and belong to Eastern Asian halopgroup C. Phylogenetic analysis shows 4375C is highly conservative in 17 species. It is suggested that these mutations might participate in the development of hypertension in this family. And halopgroup C might play a modifying role on the phenotype in this Chinese hypertensive family. PMID- 29200320 TI - Wiskott-Aldrich syndrome: Two case reports with a novel mutation. AB - BACKGROUND: The Wiskott-Aldrich syndrome (WAS) is X-linked recessive disorder associated with microplatelet thrombocytopenia, eczema, infections, and an increased risk of autoimmunity and lymphoid neoplasia. The originally described features of WAS include susceptibility to infections, microthrombocytopenia, and eczema. AIM: In this case report, we present our experience about two cases diagnosed with a new mutation. METHODS: We report phenotypical and laboratory description of two cases with WAS. RESULTS: We, for the first time, detected a new hemizygote mutation of WAS gene (NM_000377.2 p.M393lfs*102 (c.1178dupT)) in two patients. The first case was an 11-month-old boy presenting with complaints of recurrent soft tissue infection, ear infection, anemia, and thrombocytopenia with a low platelet volume. The second case was a 2-month-old boy presenting with thrombocytopenia and a low platelet volume. Both cases were the first-degree relatives: they were cousins and their mothers were sisters. CONCLUSION: Herein, we report two cases of WAS and a new gene mutation which would disrupt the WAS protein function within the Polyproline (PPP) domain. This report adds to the growing number of mutations which cause complex clinical manifestations associated with WAS. PMID- 29200321 TI - Two New Insertion/Deletion Variants of the PITX2 Gene and their Effects on Growth Traits in Sheep. AB - In China, Tong sheep (TS) and Lanzhou fat-tailed sheep (LFTS) are two closely relative endanger breeds for low meat production and low fecundity, finding some marker-assisted selected (MAS) is our first priority for improving their growth traits. For this purpose, Hu sheep (HS) and small-tailed Han sheep (STHS) were compared with two endangered breeds (TS and LFTS). Paired-liked homeodomain transcription factor 2 (PITX2) gene was the important member of PITX family, which could adjust animal growth through hypothalamic-pituitary-adrenal axis. During the past years, insertion/deletion (indel) has become increasingly popular in application as MAS. In this study, two novel indel loci were identified, and five significant differences, including chest width, hip width, chest depth, chest circumference, and body height, were found between different breeds. Interestingly, there was no DD genotype and smaller number of ID genotye. All the ID genotypes were significantly greater than II genotype, which was to say the allele of "D" was dominant variation and its frequency was lower, which demonstrated that it has huge space for selection. Briefly, the two indel were potential and useful DNA markers for selecting excellent individuals in relation to growth traits in sheep. PMID- 29200322 TI - Selecting analytical biomarkers for diagnostic applications: a first principles approach. AB - INTRODUCTION: Biomarkers are objective indications of a medical state that can be measured accurately and reproducibly. Traditional biomarkers enable diagnosis of disease through detection of disease-specific molecules, disease-mediated molecular changes, or distinct physiological or anatomical signatures. Areas covered: This work provides a framework for selecting biomarkers that are most likely to provide useful information about a patient's disease state. Though the authors emphasize markers related to disease, this work is also applicable to biomarkers for monitoring physiological changes such as ovulation or pregnancy. Additionally, the scope was restricted to biomarkers that are amenable to analytical detection across a range of health care levels, including low resource settings. The authors describe trade-offs between biomarkers' sensitivity/specificity for a disease-causing agent, the complexity of detection, and how this knowledge can be applied to the development of diagnostic tests. This report also details additional assessment criteria for successful tests. Expert commentary: Biomarker selection should primarily be driven by an attempt to answer an explicit clinical question (preferably causative relationship of the biomarker to disease-state), and only then by test development expediency (ease of detection). This framework is useful for stakeholders from test developers to clinicians to identify the trade-offs for diagnostic biomarkers for any use case. PMID- 29200323 TI - Refinements to light sources used to analyze the chloroplast cold-avoidance response over the past century. AB - Chloroplasts alter their subcellular positions in response to ambient light and temperature conditions. This well-characterized light-induced response, which was first described nearly 100 years ago, is regulated by the blue-light photoreceptor, phototropin. By contrast, the molecular mechanism of low temperature-induced chloroplast relocation (i.e., the cold-avoidance response) was unexplored until its discovery in the fern Adiantum capillus-veneris in 2008. Because this response is also regulated by phototropin, it was thought to occur in a blue light-dependent manner. However, until recently, the blue light dependency of this response could not be examined due to the lack of a stable light source under cold conditions. We recently refined the light source to precisely control light intensity under cold conditions. Using this light source, we observed the blue light dependency of the cold-avoidance response in the liverwort Marchantia polymorpha and the phototropin2-mediated cold-avoidance response in the flowering plant Arabidopsis thaliana. Thus, this mechanism is evolutionarily conserved among land plants. PMID- 29200324 TI - Breaking Down the Administrative Barriers: Condom Availability in the School Setting. AB - School nurses are at the forefront of health resource decisions, education, and health advocacy in the school setting. When it comes to sex education and condom availability, navigating the politics and controversy surrounding student access and education is not an easy task. Moreover, recent research shows school administrators are not aware of sexual health issues in their district and are not typically supportive of condom availability, limiting evidence-based practice implementation in the school setting. At the district level, school nurses must recognize these challenges and develop plans to promote science-based interventions for students' sexual health. PMID- 29200325 TI - Incidence and risk factors of bacterial and fungal infection during induction chemotherapy for high-risk neuroblastoma. AB - : High-risk neuroblastoma is an aggressive childhood cancer with poor outcomes. Treatment begins with an induction phase comprised of intense multi-agent chemotherapy with the goal of maximally reducing tumor bulk. Given the high intensity of induction chemotherapy, neutropenic fever and infectious complications are common; however, the actual incidence is difficult to determine from clinical trial reports. We performed a retrospective review of infection related complications in 76 children treated for high-risk neuroblastoma at Texas Children's Hospital. Medical records were reviewed for demographics, febrile neutropenia (FN) episodes, presence, and type of bacterial and fungal infections, and potential risk factors for infection. Fifty-seven percent of patients developed one or more serious bacterial or fungal infections during induction chemotherapy. Additionally, over 75% of patients had at least one admission for FN. Risk factors for developing any infection included female sex, MYCN amplification, and having Medicaid. Patients with external central venous catheters and those requiring parenteral nutrition had higher rates of bacteremia or fungemia. Each cycle, 50% were readmitted for either FN or infection. The overall burden of infectious complications was high, with 70% having two or more unplanned admissions for infection or FN. The incidence of febrile neutropenia and serious bacterial and fungal infections during induction chemotherapy for high-risk neuroblastoma is high. Most patients had at least two additional hospitalizations for infectious complications. Risk factors including female sex, MYCN amplification, payer status, and type of central access were associated with higher rates of infection in this cohort. ABBREVIATIONS: CLABSI Central line associated blood stream infection; CTCAE Common Terminology Criteria for Adverse Events; FN Febrile neutropenia; ANC Absolute neutrophil count; TPN Total parenteral nutrition. PMID- 29200326 TI - Probenecid directly impairs activation of the canine P2X7 receptor. AB - The current study aimed to determine if probenecid could directly impair the canine P2X7 receptor, a ligand-gated cation channel activated by extracellular adenosine 5'-triphosphate (ATP). Patch clamp measurements demonstrated that probenecid impairs ATP-induced inward currents in HEK-293 cells expressing canine P2X7. Flow cytometric measurements of ethidium+ uptake into HEK-293 cells expressing canine P2X7 showed that probenecid impairs ATP-induced pore formation in a concentration-dependent manner, with a half maximal inhibitory concentration of 158 uM. Finally, ELISA measurements revealed that probenecid impairs ATP induced interleukin-1beta release in dog blood. In conclusion, this study reveals that probenecid can directly impair canine P2X7 activation. PMID- 29200327 TI - The Big Five Health Insurers' Membership And Revenue Trends: Implications For Public Policy. AB - The five largest US commercial health insurance companies together enroll 125 million members, or 43 percent of the country's insured population. Over the past decade these insurers have become increasingly dependent for growth and profitability on public programs, according to an analysis of corporate reports. In 2016 Medicare and Medicaid accounted for nearly 60 percent of the companies' health care revenues and 20 percent of their comprehensive plan membership. Although headlines have focused on losses in the state Marketplaces created by the Affordable Care Act (ACA), the Marketplaces represent only a small fraction of insurers' members. Overall, the five largest insurers have remained profitable since passage of the ACA as a result of profits in other market segments. Notably, companies with significant Medicare or Medicaid enrollment have continued to insure beneficiaries in states where the insurers do not participate in Marketplaces. Given the insurers' dependence on public programs, there is potential to improve access if federal or state governments, or both, required insurers that participate in Medicare or Medicaid to also participate in the Marketplaces in the same geographic area. Such requirements could ensure more viable and less volatile insurance, benefiting people insured within each market as well as those who cycle on and off public and private insurance. PMID- 29200329 TI - Medical-Legal Partnerships At Veterans Affairs Medical Centers Improved Housing And Psychosocial Outcomes For Vets. AB - Medical-legal partnerships-collaborations between legal professionals and health care providers that help patients address civil legal problems that can affect health and well-being-have been implemented at several Veterans Affairs (VA) medical centers to serve homeless and low-income veterans with mental illness. We describe the outcomes of veterans who accessed legal services at four partnership sites in Connecticut and New York in the period 2014-16. The partnerships served 950 veterans, who collectively had 1,384 legal issues; on average, the issues took 5.4 hours' worth of legal services to resolve. The most common problems were related to VA benefits, housing, family issues, and consumer issues. Among a subsample of 148 veterans who were followed for one year, we observed significant improvements in housing, income, and mental health. Veterans who received more partnership services showed greater improvements in housing and mental health than those who received fewer services, and those who achieved their predefined legal goals showed greater improvements in housing status and community integration than those who did not. Medical-legal partnerships represent an opportunity to expand cross-sector, community-based partnerships in the VA health care system to address social determinants of mental health. PMID- 29200328 TI - Medicare ACO Program Savings Not Tied To Preventable Hospitalizations Or Concentrated Among High-Risk Patients. AB - It has been widely assumed that better management and coordination of care for chronic conditions and high-risk patients would be the leading mechanisms for achieving savings in accountable care organizations (ACOs), specifically by reducing acute care needs through enhanced outpatient and preventive care. We examined the extent to which changes in spending and hospitalizations for ACO patients in the Medicare Shared Savings Program (MSSP) have been consistent with this expectation. By 2014, participation in the MSSP was associated with significant reductions in total Medicare fee-for-service spending for ACO patients but with proportionately smaller reductions in hospitalizations and some increases in hospitalizations for ambulatory care-sensitive conditions. In addition, spending reductions were not clearly concentrated among high-risk patients: Reductions for those patients accounted for only 38 percent of the total reduction among ACOs entering the MSSP in 2012, and reductions among 2013 MSSP entrants were almost entirely concentrated among lower-risk patients. These findings suggest that, on average, care coordination and management efforts focused on ambulatory care-sensitive conditions and high-risk patients have not been the major drivers of early savings in the MSSP. PMID- 29200330 TI - The Uninsured Do Not Use The Emergency Department More-They Use Other Care Less. AB - There is a popular perception that insurance coverage will reduce overuse of the emergency department (ED). Both opponents and advocates of expanding insurance coverage under the Affordable Care Act (ACA) have made statements to the effect that EDs have been jammed with the uninsured and that paying for the uninsured population's emergency care has burdened the health care system as a result of the expense of that care. It has therefore been surprising to many to encounter evidence that insurance coverage increases ED use instead of decreasing it. Two facts may help explain this unexpected finding. First, there is a common misperception that the uninsured use the ED more than the insured. In fact, insured and uninsured adults use the ED at very similar rates and in very similar circumstances-and the uninsured use the ED substantially less than the Medicaid population. Second, while the uninsured do not use the ED more than the insured, they do use other types of care much less than the insured. PMID- 29200331 TI - Civil Rights Laws: The Authors Reply. PMID- 29200332 TI - Medicaid Expansion And Marketplace Eligibility Both Increased Coverage, With Trade-Offs In Access, Affordability. AB - Affordable Care Act (ACA) provisions implemented in 2014 provide a valuable case study regarding the merits of using public versus subsidized private insurance to help low-income people obtain and finance health care. In particular, nonelderly adults with incomes of 100-138 percent of the federal poverty level gained Medicaid eligibility if they lived in states that implemented the ACA's Medicaid expansion, whereas those in nonexpansion states became eligible for subsidized Marketplace coverage. Using data for 2008-15 from the National Health Interview Survey, we found that as of 2015, adults with family incomes in this range had experienced large declines in uninsurance rates in both expansion and nonexpansion states (the adjusted declines were 22 percentage points and 18 percentage points, respectively). Adults in expansion and nonexpansion states also experienced similar increases in having a usual source of care and primary care visits, and similar reductions in delayed receipt of medical care due to cost. There were, however, important differences: Adults in expansion states experienced larger reductions in out-of-pocket spending but also faced greater difficulty accessing physician care relative to adults in nonexpansion states. PMID- 29200333 TI - The Promises And Pitfalls Of Treating Addiction. AB - Treatment of addiction in primary care should increase, but it will fail without the proper supports for providers in place. PMID- 29200334 TI - Performance And Participation Of Physicians In Year One Of Medicare's Value-Based Payment Modifier Program. AB - In 2015 Medicare launched the Physician Value-Based Payment Modifier program, the largest US ambulatory care pay-for-performance program to date and a precursor to the forthcoming Merit-based Incentive Payment System. In its first year, the program included practices with a hundred or more clinicians. We found that 1,010 practices met this criterion, 899 of which had at least one attributed beneficiary. Of these latter practices, 263 (29.3 percent) failed to report performance data and received a 1 percent reporting-based penalty. Of the 636 practices that reported performance data, those that elected quality tiering voluntarily receiving performance-based penalties or bonuses-and those with high use of electronic health records had better performance on quality and costs than other practices. Practices with a primary care focus had better quality than other practices but similar costs. These findings translated into differences in the receipt of penalties and bonuses and may have implications for performance patterns under the Merit-based Incentive Payment System. PMID- 29200335 TI - Rising Use Of Observation Care Among The Commercially Insured May Lead to Total And Out-Of-Pocket Cost Savings. AB - Proponents of hospital-based observation care argue that it has the potential to reduce health care spending and lengths-of-stay, compared to short-stay inpatient hospitalizations. However, critics have raised concerns about the out-of-pocket spending associated with observation care. Recent reports of high out-of-pocket spending among Medicare beneficiaries have received considerable media attention and have prompted direct policy changes. Despite the potential for changed policies to indirectly affect non-Medicare patients, little is known about the use of, and spending associated with, observation care among commercially insured populations. Using multipayer commercial claims for the period 2009-13, we evaluated utilization and spending among patients admitted for six conditions that are commonly managed with either observation care or short-stay hospitalizations. In our study period, the use of observation care increased relative to that of short-stay hospitalizations. Total and out-of-pocket spending were substantially lower for observation care, though both grew rapidly-and at rates much higher than spending in the inpatient setting-over the study period. Despite this growth, spending on observation care is unlikely to exceed spending for short-stay hospitalizations. As observation care attracts greater attention, policy makers should be aware that Medicare policies that disincentivize observation may have unintended financial impacts on non-Medicare populations, where observation care may be cost saving. PMID- 29200336 TI - Competition In Health Care: The Authors Reply. PMID- 29200337 TI - Competition In Health Care. PMID- 29200338 TI - ACA Open Enrollment Starts Amidst Tumult. AB - The Affordable Care Act continues to be buffeted by administration actions; a bipartisan market stabilization effort emerges in Congress. PMID- 29200341 TI - Health Disparities In Appalachia. PMID- 29200340 TI - Only One In Twenty Justice-Referred Adults In Specialty Treatment For Opioid Use Receive Methadone Or Buprenorphine. AB - People in the US criminal justice system experience high rates of opioid use disorder, overdose, and other adverse outcomes. Expanding treatment is a key strategy for addressing the opioid epidemic, but little is known about whether the criminal justice system refers people to the highest standard of treatment: the use of the opioid agonist therapies methadone or buprenorphine. We used 2014 data from the national Treatment Episode Data Set to examine the use of agonist treatment among justice-involved people referred to specialty treatment for opioid use disorder. Only 4.6 percent of justice-referred clients received agonist treatment, compared to 40.9 percent of those referred by other sources. Of all criminal justice sources, courts and diversionary programs were least likely to refer people to agonist treatment. Our findings suggest that an opportunity is being missed to promote effective, evidence-based care for justice involved people who seek treatment for opioid use disorder. PMID- 29200342 TI - Disparities In Access: The Authors Reply. PMID- 29200343 TI - To Keep Patients, Some Physicians Get Creative. AB - In the face of growing competition, traditional practices have begun trying to guarantee same-day appointments. PMID- 29200344 TI - Reducing Disparities In Access To Health Care. PMID- 29200345 TI - Foundation Funding In Global Health. PMID- 29200346 TI - Public And Private Payments For Physician Office Visits. AB - We used data for 2014-15 from the Medical Expenditure Panel Survey to estimate standardized payments for nonelderly adults' physician office visits by type of insurance. Adults with public insurance, especially Medicaid, had substantially lower provider payments, out-of-pocket spending, and third-party payments than their peers with employer-sponsored or Marketplace insurance. Quantifying public private payment differences can help clarify choices for financing health care among low-income Americans. PMID- 29200347 TI - The Effect Of Medicaid On Medication Use Among Poor Adults: Evidence From Oregon. AB - Oregon's 2008 Medicaid expansion significantly increased the use of prescription medications in 2009-10. PMID- 29200348 TI - National Trends In Specialty Outpatient Mental Health Care Among Adults. AB - We examined national trends in the receipt of specialty outpatient mental health care, using data for 2008-15 from the National Survey on Drug Use and Health. Between 2008-09 and 2014-15 the number of US adults who received outpatient mental health care in the specialty sector rose from 11.3 million to 13.7 million per year, representing an increase from 5.0 percent to 5.7 percent of the adult population. Among those recipients, however, the annual weighted mean number of visits to the specialty sector remained unchanged. We found increases in both numbers and percentages of adults who received care within the specialty sector across age and sex groups and among non-Hispanic whites, people with Medicare, people with private health insurance, and people with family incomes of $20,000 $49,999. Increases in receipt of specialty mental health care during 2012-15 may be related to recent policy initiatives aimed at reducing financial barriers to care. PMID- 29200349 TI - Mortality Quadrupled Among Opioid-Driven Hospitalizations, Notably Within Lower Income And Disabled White Populations. AB - Hospitals play an important role in caring for patients in the current opioid crisis, but data on the outcomes and composition of opioid-driven hospitalizations in the United States have been lacking. Nationally representative all-payer data for the period 1993-2014 from the National Inpatient Sample were used to compare the mortality rates and composition of hospitalizations with opioid-related primary diagnoses and those of hospitalizations for other drugs and for all other causes. Mortality among opioid driven hospitalizations increased from 0.43 percent before 2000 to 2.02 percent in 2014, an average increase of 0.12 percentage points per year relative to the mortality of hospitalizations due to other drugs-which was unchanged. While the total volume of opioid-driven hospitalizations remained relatively stable, it shifted from diagnoses mostly involving opioid dependence or abuse to those centered on opioid or heroin poisoning (the latter have higher case fatality rates). After 2000, hospitalizations for opioid/heroin poisoning grew by 0.01 per 1,000 people per year, while hospitalizations for opioid dependence or abuse declined by 0.01 per 1,000 people per year. Patients admitted for opioid/heroin poisoning were more likely to be white, ages 50-64, Medicare beneficiaries with disabilities, and residents of lower-income areas. As the United States combats the opioid epidemic, efforts to help hospitals respond to the increasing severity of opioid intoxication are needed, especially in vulnerable populations. PMID- 29200352 TI - Behavioral Health, Provider Payment, And More. PMID- 29200351 TI - Risk Adjustment May Lessen Penalties On Hospitals Treating Complex Cardiac Patients Under Medicare's Bundled Payments. AB - To reduce variation in spending, Medicare has considered implementing a cardiac bundled payment program for acute myocardial infarction and coronary artery bypass graft. Because the proposed program does not account for patient risk factors when calculating hospital penalties or rewards ("reconciliation payments"), it might unfairly penalize certain hospitals. We estimated the impact of adjusting for patients' medical complexity and social risk on reconciliation payments for Medicare beneficiaries hospitalized for the two conditions in the period 2011-13. Average spending per episode was $29,394. Accounting for medical complexity substantially narrowed the gap in reconciliation payments between hospitals with high medical severity (from a penalty of $1,809 to one of $820, or a net reduction of $989), safety-net hospitals (from a penalty of $217 to one of $87, a reduction of $130), and minority-serving hospitals (from a penalty of $70 to a reward of $56, an improvement of $126) and their counterparts. Accounting for social risk alone narrowed these gaps but had minimal incremental effects after medical complexity was accounted for. Risk adjustment may preserve incentives to care for patients with complex conditions under Medicare bundled payment programs. PMID- 29200350 TI - Value Of Waiving Coinsurance For Colorectal Cancer Screening In Medicare Beneficiaries. AB - Financial barriers to colorectal cancer screening persist despite the Affordable Care Act (ACA). Medicare beneficiaries may face 20 percent coinsurance for a screening colonoscopy when the procedure includes the removal of polyps or follows a positive fecal screening test. Using an established microsimulation model, we estimated that waiving this coinsurance would result in 1.7 fewer colorectal cancer deaths (a decrease of 13 percent) and $17,000 higher colorectal cancer-related costs (an increase of 0.6 percent) for the Centers for Medicare and Medicaid Services per 1,000 sixty-five-year-olds, assuming a 10-percentage point increase in the rates of first colonoscopy screening, follow-up, and surveillance. If the rates did not change, waiving coinsurance would increase total costs by $51,000 (1.9 percent) per 1,000 sixty-five-year-olds. Estimated screening benefits were comparable when fecal testing was assumed to be the primary screening method. Moreover, waiving coinsurance would be cost-effective if the screening rate increased by 0.6 percentage points, assuming a willingness to-pay threshold of $50,000 per quality-adjusted life-year gained. Thus, the waiver is likely to have a favorable balance of health and cost impact. PMID- 29200353 TI - Precision Response Needed For HIV/AIDS. PMID- 29200355 TI - Comparing The Effects Of Reference Pricing And Centers-Of-Excellence Approaches To Value-Based Benefit Design. AB - Various health insurance benefit designs based on value-based purchasing have been promoted to steer patients to high-value providers, but little is known about the designs' relative effectiveness and underlying mechanisms. We compared the impact of two designs implemented by the California Public Employees' Retirement System on inpatient hospital total hip or knee replacement: a reference-based pricing design for preferred provider organizations (PPOs) and a centers-of-excellence design for health maintenance organizations (HMOs). Payment and utilization data for the procedures in the period 2008-13 were evaluated using pre-post and quasi-experimental designs at the system and health plan levels, adjusting for demographic characteristics, case-mix, and other confounders. We found that both designs prompted higher use of designated low price high-quality facilities and reduced average replacement expenses per member at the plan and system levels. However, the designs used different routes: The reference-based pricing design reduced average replacement payments per case in PPOs by 26.7 percent in the first year, compared to HMOs, but did not lower PPO members' utilization rates. In contrast, the centers-of-excellence design lowered HMO members' utilization rates by 29.2 percent in the first year, compared to PPOs, but did not reduce HMO average replacement payments per case. The reference based pricing design appears more suitable for reducing price variation, and the centers-of-excellence design for addressing variation in use. PMID- 29200354 TI - Hepatitis C Testing Increased Among Baby Boomers Following The 2012 Change To CDC Testing Recommendations. AB - In 2012 the Centers for Disease Control and Prevention recommended routine testing for hepatitis C for people born in the period 1945-65. Until now, the recommendation's impact on hepatitis C screening rates in the United States has not been fully understood. We used an interrupted time series with comparison group design to analyze hepatitis C screening rates in the period 2010-14 among 2.8 million commercially insured adults in the MarketScan database. Hepatitis C screening rates increased yearly between 2010 and 2014, from 1.65 to 2.59 per 100 person-years. A 49 percent increase in screening rates among people born during 1945-65 followed the release of the recommendation, but no such increase was observed among adults born after 1965. The effect among the target population was sustained, and by twenty-four months after the recommendation's release, screening rates had increased 106 percent. We conclude that the hepatitis C testing policy change resulted in significantly increased testing among the target population and may have decreased the magnitude of the hepatitis C epidemic. PMID- 29200356 TI - Marketplace Plans Provide Risk Protection, But Actuarial Values Overstate Realized Coverage For Most Enrollees. AB - The Affordable Care Act (ACA) has increased the number of Americans with health insurance. Yet many policy makers and consumers have questioned the value of Marketplace plan coverage because of the generally high levels of cost sharing. We simulated out-of-pocket spending for bronze, silver, or gold Marketplace plans (those having actuarial values of 60 percent, 70 percent, and 80 percent, respectively). We found that for the vast majority of consumers, the proportion of covered spending paid by the plans is likely to be far less than their actuarial values, the metric commonly used to convey plan generosity. Indeed, only when annual health care spending exceeds $16,500 for bronze plans, $19,500 for silver plans, and $21,500 for gold plans do plans in these metal tiers cover the proportion of costs matching their actuarial values. While Marketplace plans substantially reduce consumers' exposure to financial risk relative to being uninsured, the use of actuarial values to communicate plan generosity is likely to be misleading to consumers. PMID- 29200357 TI - The US Provided $13 Billion In Development Assistance For Health In 2016, Less Per Person Than Many Peer Nations. AB - Despite dramatic growth between 1990 and 2010, development assistance for health from high-income countries and development agencies to low- and middle-income countries has stagnated, and proposed cuts make future funding uncertain. To further understand international financial flows for health, we examined international contributions from major donor countries. Our findings showed that the United States provided more development assistance for health than any other country, but it provided less than others relative to national population, government spending, and income. Norway, Denmark, Luxembourg, and the United Kingdom stand out when the provision of health assistance is considered relative to these other factors. Seventeen of twenty-three countries did not reach a target that corresponds to an international goal. If all twenty-three countries had reached this goal, an additional $13.3 billion would have been available for global health in 2016. Systematic efforts are needed to encourage countries to meet these targets. Sustained health improvement in low- and middle-income countries will benefit greatly from ongoing international support. PMID- 29200359 TI - Transgender Patients And Health Care Providers. PMID- 29200360 TI - Health Inequity And Civil Rights Laws. PMID- 29200361 TI - Among-Individual Variation in Desert Iguanas (Squamata: Dipsosaurus dorsalis): Endurance Capacity Is Positively Related to Home Range Size. AB - Among species of lizards, endurance capacity measured on a motorized treadmill is positively related to daily movement distance and time spent moving, but few studies have addressed such relationships at the level of individual variation within a sex and age category in a single population. Both endurance capacity and home range size show substantial individual variation in lizards, rendering them suitable for such studies. We predicted that these traits would be positively related because endurance capacity is one of the factors that has the potential to limit home range size. We measured the endurance capacity and home range size of adult male desert iguanas (Dipsosaurus dorsalis). Lizards were field captured for measurements of endurance, and home range data were gathered using visual identification of previously marked individuals. Endurance was significantly repeatable between replicate trials, conducted 1-17 d apart ([Formula: see text] for log-transformed values, [Formula: see text], [Formula: see text]). The log of the higher of two endurance trials was positively but not significantly related to log body mass. The log of home range area was positively but not significantly related to log body mass, the number of sightings, or the time span from first to last sighting. As predicted, log endurance was positively correlated with log home range area ([Formula: see text], [Formula: see text], one-tailed [Formula: see text]; for body-mass residual endurance values: [Formula: see text], one tailed [Formula: see text]). These results suggest that endurance capacity may have a permissive effect on home range size. Alternatively, individuals with larger home ranges may experience training effects (phenotypic plasticity) that increase their endurance. PMID- 29200363 TI - Have Our Sterility Practices Kept Up With the Tremendous Advances in Sedation and Surgical Techniques? PMID- 29200362 TI - Psychronectria hyperantarctica, gen. nov., comb. nov., epitypification and phylogenetic position of an Antarctic bryophilous ascomycete. AB - The holotype of Thyronectria hyperantarctica was re-examined, redescribed, and compared with new collections of an Antarctic bryophilous ascomycete from a similar area. Because the condition of type material was insufficient for molecular studies, the authors designated an epitype from newly collected material with a high degree of morphological similarity to the holotype and paratype material. Phylogenetic analysis of the epitype revealed that its closest phylogenetic affinity was with the family Tilachlidiaceae and it formed a monophyletic group in this lineage within other collections of the species. Therefore, the new monotypic genus Psychronectria is described to accommodate Thyronectria hyperantarctica. The fungus is superficially similar to Thyronectria species in Nectriaceae, but the ascospores differ in color, size, and type of septation. PMID- 29200366 TI - A Combination of Dexmedetomidine and Lidocaine Is a Cardiovascularly Safe Dental Local Anesthetic for Hypertensive Rats Treated With a Nonselective beta Adrenergic Antagonist. AB - Hypertensive patients receiving nonselective beta-adrenergic antagonists are vulnerable to hypertension and bradycardia when injected with dental local anesthetic formulations containing epinephrine. Dexmedetomidine (DEX), an alpha2 adrenergic agonist, has been reported to prolong and enhance the local anesthetic effects of lidocaine. The cardiovascular effects of the DEX-lidocaine combination have not yet been investigated in the presence of nonselective beta-adrenergic antagonists. Therefore, we assessed the cardiovascular effects of the DEX lidocaine combination in spontaneously hypertensive rats (SHR) treated with a nonselective beta-adrenergic antagonist (propranolol). We injected propranolol treated rats with various concentrations of DEX alone, 100 MUg/kg epinephrine alone, or 5 MUg/kg DEX combined with 2% lidocaine and measured their blood pressure (BP) and heart rates (HR) to assess the cardiovascular effects. The BP of propranolol-treated SHR was significantly increased by treatment with 100 MUg/kg epinephrine alone. The BP and HR of propranolol-treated SHR were not significantly changed by treatment with low concentrations of DEX, but they were significantly decreased by treatment with a high concentration of DEX (50 MUg/kg). Moreover, there was no significant difference in the BP and HR of propranolol-treated SHR after the injection of a combination of 5 MUg/kg DEX and 2% lidocaine. Thus, the DEX-lidocaine combination may be an acceptable addition to dental local anesthetic solutions from a cardiovascular standpoint for hypertensive patients receiving nonselective beta-adrenergic antagonists. PMID- 29200367 TI - Anesthetic Management in Mitochondrial Encephalomyopathy: A Case Report. AB - We report on a morbidly obese 16-year-old boy (weight, 116 kg; height, 176 cm; body mass index, 35.5 kg/m2) with mitochondrial encephalomyopathy and a history of cerebral infarction, epilepsy, and severe mental retardation. The patient was scheduled for elective surgery under general anesthesia for multiple dental caries and entropion of the left eye. Preoperative examination results, including an electrocardiogram, were normal. No obvious cardiac function abnormalities were observed on echocardiography. Midazolam (10 mg) was administered orally as premedication 30 minutes before transfer to the operating room; however, the patient was uncooperative, and his body movements were difficult to control upon entering the operating room. This complicated our attempts to establish a peripheral intravenous line and necessitated volatile inhalational induction, followed by maintenance using total intravenous anesthesia. General anesthesia was used to minimize metabolic system stress. We did not use an infusion solution containing sodium lactate. The operation and subsequent clinical course until discharge were uneventful. Because aerobic metabolism is already compromised in patients with mitochondrial encephalomyopathy, anesthetic management should be designed to avoid placing additional stress on the metabolic system. PMID- 29200368 TI - Influence of Fasting Duration on Body Fluid and Hemodynamics. AB - Fasting before general anesthesia aims to reduce the volume and acidity of stomach contents, which reduces the risk of regurgitation and aspiration. Prolonged fasting for many hours prior to surgery could lead to unstable hemodynamics, however. Therefore, preoperative oral intake of clear fluids 2 hours prior to surgery is recommended to decrease dehydration without an increase in aspiration risk. In this study, we investigated the body fluid composition and hemodynamics of patients undergoing general anesthesia as the first case of the day versus the second subsequent case. We retrospectively reviewed the general anesthesia records of patients over 20 years old who underwent oral maxillofacial surgery. We investigated patient demographics, preoperative fasting time, anesthetic time, urine output, infusion volume, and opioid and vasopressor use. With respect to body fluid and hemodynamics, we extracted the data from the induction of anesthesia through 2 hours of anesthesia time. Thirty patients were suitable for this study. Patients were divided into 2 groups: patients who underwent surgery as the first case of the day (am group: n = 15) and patients who underwent surgery as the second case (pm group: n = 15). There were no significant differences between the 2 groups in patient demographics. In the pm group, fasting time for a light meal (832 minutes) was significantly longer than for the am group (685 minutes), p = .005. In the pm group, fasting time for clear fluids (216 minutes) was also significantly longer than for the am group (194 minutes), p = .005. Body fluid composition was not significantly different between the 2 groups. In addition, cardiac parameters intraoperatively were stable. In the pm group, vasopressors were used in 4 patients at the induction of anesthesia (p = .01). There were not statistically significant changes in cardiac function or body fluid composition between patients treated as the first case of the day vs patients who underwent surgery with general anesthesia as the second case of the day. PMID- 29200369 TI - Anesthetic Management of a Patient With a History of Rhabdomyolysis for Dental Treatment. AB - When general anesthesia is administered for patients considered at high risk for rhabdomyolysis, appropriate precautions are warranted. The use of suitable anesthetics, with attention to intravenous fluid management, electrolyte balance, respiration, and metabolism, should be addressed. We performed general anesthesia for dental treatment and biopsy for fibrous hyperplasia of the buccal mucosa in a patient with a history of rhabdomyolysis. We utilized thiamylal sodium, midazolam, rocuronium bromide, nitrous oxide, fentanyl, and remifentanil without using volatile anesthetics and propofol for this case. No complications of rhabdomyolysis were noted. PMID- 29200370 TI - Anesthesia for a Patient With Excessive Supragastric Belching. AB - Excessive supragastric belching is rarely described in the anesthesia literature. Anesthesia planning of a 26-year-old patient with excessive supragastric belching, history of superior mesenteric artery syndrome (SMAS), and dental anxiety requires preoperative assessment. This case report outlines the anesthetic considerations and the management to facilitate comprehensive dentistry. Key anesthetic considerations include anxiolysis, aspiration risk reduction, total intravenous anesthesia (TIVA), and postoperative nausea and vomiting (PONV) prophylaxis. PMID- 29200371 TI - Comparison of Anesthesia for Dental/Oral Surgery by Office-based Dentist Anesthesiologists versus Operating Room-based Physician Anesthesiologists. AB - Few studies have examined the practice characteristics of dentist anesthesiologists and compared them to other anesthesia providers. Using outcomes from the National Anesthesia Clinical Outcomes Registry and the Society for Ambulatory Anesthesia Clinical Outcomes Registry for dental/oral surgery procedures, we compared 7133 predominantly office-based anesthetics by dentist anesthesiologists to 106,420 predominantly operating room anesthetics performed by physician anesthesia providers. These encounters were contrasted with 34,191 previously published encounters from the practices of oral and maxillofacial surgeons. Children younger than 6 years received the greatest proportion of general anesthetic services rendered by both dentist anesthesiologists and hospital-based anesthesia providers. These general anesthesia services were primarily provided for complete dental rehabilitation for early childhood caries. Overall treatment time for complete dental rehabilitation in the office-based setting by dentist anesthesiologists was significantly shorter than comparable care provided in the hospital operating room and surgery centers. The anesthesia care provided by dentist anesthesiologists was found to be separate and distinct from anesthesia care provided by oral and maxillofacial surgeons, which was primarily administered to adults for very brief surgical procedures. Cases performed by dentist anesthesiologists and hospital-based anesthesia providers were for much younger patients and of significantly longer duration when compared with anesthesia administered by oral and maxillofacial surgeons. Despite the limited descriptive power of the current registries, office-based anesthesia rendered by dentist anesthesiologists is clearly a unique and efficient mode of anesthesia care for dentistry. PMID- 29200372 TI - Anesthetic Efficacy of Articaine and Lidocaine in a Primary Intraseptal Injection: A Prospective, Randomized Double-Blind Study. AB - Additional studies are needed to evaluate intraseptal anesthesia in the mandibular first molar. The purpose of this study was to compare the anesthetic efficacy of a primary intraseptal injection of articaine and lidocaine, administered with a computer-controlled local anesthetic delivery (CCLAD) system, in asymptomatic mandibular first molars. Using a crossover design, 100 subjects randomly received intraseptal injections of 1.4 mL of 4% articaine and 2% lidocaine, both with 1:100,000 epinephrine, at 2 separate appointments. Injections were given in the interdental papillae, mesial (0.7 mL) and distal (0.7 mL) to the first molar. An electric pulp tester was used to test for pulpal anesthesia. Pain of injection, postoperative pain, and pulse rate were also evaluated. Data were statistically analyzed. Anesthetic success rate for the mandibular first molar was 32% for articaine and 30% for lidocaine, with no statistically significant difference (p = .8689) between the two. No significant differences were found between formulations for pain of injection. The intraseptal injection did not cause a clinically meaningful increase in pulse rate. Postoperative pain decreased each day with no significant differences between formulations. In conclusion, a primary intraseptal injection does not achieve a high success rate of pulpal anesthesia in the mandibular first molar. PMID- 29200373 TI - Retropharyngeal Dissection by Parker Flex-Tip Nasal Endotracheal Tube. AB - Possible complications of nasotracheal intubation include injury to the nasal or pharyngeal mucosa. Dissection of the retropharyngeal tissue by the endotracheal tube is one of the rarer of the more severe complications. Previous studies have indicated that the Parker Flex-Tip (PFT) tracheal tube (Parker Medical, Highlands Ranch, Colo) reduces the incidence of mucosal injury. We experienced a case involving inadvertent retropharyngeal placement of a PFT tube in a 29-year-old patient during nasotracheal intubation under general anesthesia for elective dental treatment. Despite thermosoftening the PFT tube, expanding the nasal meatus, and ensuring gentle maneuvering, the tube intruded into the left retropharyngeal mucosa. However, the injury was not severe, and the only required treatment was the administration of antibiotics and corticosteroids. Even when a PFT tube is utilized, pharyngeal dissection is possible. When resistance is felt during passing of the PFT tube through the nasopharynx, an alternative method to overcome this resistance should be utilized. PMID- 29200374 TI - Dexmedetomidine Increases the Latency of Thermal Antinociception in Rats. AB - Recent reports have stated that dexmedetomidine (DEX), an alpha2-adrenoreceptor agonist, enhances the local anesthetic effects of ropivacaine and prolongs its effective duration. However, little is known about the effect of a combination of DEX and lidocaine on anesthetic duration. Therefore, we investigated whether DEX can prolong the local anesthetic effect of lidocaine, using the thermal paw withdrawal test in Wistar rats in order to measure local anesthetic duration. We subcutaneously injected 50 MUL of either normal saline, 2% lidocaine, a combination of 0.5 MUg/kg DEX and 2% lidocaine, or a combination of 2% lidocaine with 1:80,000 epinephrine into the plantar surface of the left hind paw of the rats. The plantar region was stimulated using heat. We measured the perceived acute pain according to paw movement in response to stimulation. We found DEX significantly prolonged the paw withdrawal latency of lidocaine. Moreover, we found that DEX can prolong the local anesthetic duration of lidocaine as much as 1:80,000 epinephrine, up to 35 minutes after injection. In conclusion, this study concluded that a combination of DEX and lidocaine may be useful as a local anesthetic, similar to a combination of epinephrine and lidocaine, for short procedures. PMID- 29200375 TI - A Case of Laryngeal Granuloma Likely Caused by Laryngopharyngeal Reflux Disease Following a Sagittal Split Ramus Osteotomy. AB - Laryngeal granuloma is an uncommon complication of prolonged endotracheal intubation. A 25-year-old woman with severe jaw deformity underwent sagittal split ramus osteotomy under general anesthesia. Two days after extubation, the patient complained of hoarseness, sore throat, and dyspnea. When symptoms persisted, she was evaluated in the Otolaryngology Department. She was diagnosed with laryngeal granuloma of the bilateral arytenoid cartilages, and conservative treatment was selected. Administration of corticosteroid hormones, proton pump inhibitors, and a subsequent follow-up examination performed in our outpatient clinic showed no evidence of recurrence 10 months after the initial presentation. PMID- 29200377 TI - Comparison of the CAS-POL and IOM samplers for determining the knockdown efficiencies of water sprays on float coal dust. AB - Float coal dust, generated by mining operations, is distributed throughout mine airways by ventilating air designed to purge gases and respirable dust. Float coal dust poses an explosion hazard in the event of a methane ignition. Current regulation requires the application of inert rock dust in areas subjected to float coal dust in order to mitigate the hazard. An alternate method using water sprays, which have been effective in controlling respirable dust hazards, has been proposed as a way to control float coal dust generated on longwall faces. However, the knockdown efficiency of the proposed water sprays on float coal dust needs to be verified. This study used gravimetric isokinetic Institute of Occupational Medicine (IOM) samplers alongside a real-time aerosol monitor (Cloud Aerosol Spectrometer with polarization; CAS-POL) to study the effects of spray type, operating pressure, and spray orientation on knockdown efficiencies for seven different water sprays. Because the CAS-POL has not been used to study mining dust, the CAS-POL measurements were validated with respect to the IOM samplers. This study found that the CAS-POL was able to resolve the same trends measured by the IOM samplers, while providing additional knockdown information for specific particle size ranges and locations in the test area. In addition, the CAS-POL data was not prone to the same process errors, which may occur due to the handling of the IOM filter media, and was able to provide a faster analysis of the data after testing. This study also determined that pressure was the leading design criteria influencing spray knockdown efficiency, with spray type also having some effect and orientation having little to no effect. The results of this study will be used to design future full-scale float coal dust capture tests involving multiple sprays, which will be evaluated using the CAS-POL. PMID- 29200376 TI - Anesthetic Considerations for Patients on Antidepressant Therapy-Part I. AB - Millions of patients take antidepressant medications in the United States for the treatment of depression or anxiety disorders. Some antidepressants are prescribed off-label to treat problems such as chronic pain, low energy, and menstrual symptoms. Antidepressants are a broad and expansive group of medications, but the more common drug classes include tricyclic antidepressants, selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, and monoamine oxidase inhibitors. A miscellaneous or "atypical" category covers other agents. Some herbal supplements that claim to have antidepressant activity will also be discussed. In Part I of this review, antidepressant pharmacology, adverse effects, and drug interactions with adrenergic agonists will be discussed. In part II, drug interactions with sedation and general anesthetics will be reviewed. Bleeding effects and serotonin syndrome implications in anesthetic practice will also be highlighted. PMID- 29200378 TI - Evaluating hearing loss risks in the mining industry through MSHA citations. AB - A new noise regulation for the mining industry became effective in 2000, providing a consistent regulatory requirement for both coal and non-coal mining divisions. The new rule required mines to implement hearing conservation programs, including a system of continuous noise monitoring, provision of hearing protection devices, audiometric testing, hearing loss training, and record keeping. The goal of this study was to assess hearing conservation program compliance, and excessive noise exposure and hearing loss risks for both coal and non-coal mining divisions through evaluating MSHA citations. We analyzed 13,446 MSHA citations from 2000-2014 pertinent to 30 CFR Part 62. Descriptive statistics were generated and comparisons were made among mines of different commodities. In addition, one-way ANOVA on ranks was conducted to estimate the correlation between excess risks and establishment size. Results showed that 25.6% of coal mines and 14.7% of non-coal mines were cited at least once during this period of time. Larger numbers of noncompliance were seen in stone, sand, and gravel mines (SSG). Results also suggested inadequate efforts in both audiometric testing and minimizing risk after excessive noise exposure. Finally, establishment size of mine was correlated with the increasing risk of noncompliance. We anticipate that this study can guide resource allocation for preventing noise-induced hearing loss, and help improve risk management in mining. PMID- 29200379 TI - Gender differences in psychosocial predictors of self-perceived health status in the elderly: Evidence from a Brazilian community study. AB - This article aims to identify the psychosocial factors associated with self perceived health status in the Brazilian elderly population and to present differences related to gender. The data were collected by questionnaire, including sociodemographic and behavioral questions, and scales for psychological dimensions. Self-perceived health status is related to level of education, physical activity, and self-efficacy in the total population. Regarding gender differences, self-rated health status among men is related to education level and self-efficacy and in women to level of education, physical activity, social support, and self-efficacy. These results can inform future health promotion interventions. PMID- 29200381 TI - Editorial: The Aging Male: Physiology, Pathophysiology, and Therapeutic Perspectives. PMID- 29200380 TI - Notes on Amanita section Caesareae from Malaysia. AB - Some Amanita specimens collected from Malaysia are critically investigated by morphological examination and molecular analysis of two gene fragments, the nuc rDNA partial 28S (28S) gene and the internal transcriber spacer (ITS1-5.8S-ITS2 = ITS) regions. Six phylogenetic species of Amanita section Caesareae are recognized among the studied collections. One of them is described as new, A. malayensis. Four of the phylogenetic species correspond with existing morphology based taxa: A. aporema, A. javanica, A. princeps, and A. similis. The remaining species is not described because of the paucity of material. Detailed descriptions and the distribution of these southeastern Asian species are provided, along with a key to the species of section Caesareae from Malaysia. PMID- 29200382 TI - [For a proper use of scepticism towards sciences]. PMID- 29200383 TI - [Rabies virus induces the formation of stress granules, which are in close proximity to viral factories]. PMID- 29200384 TI - [From cyclops to reality: a fresh look at the genetics of holoprosencephaly]. PMID- 29200385 TI - [The CD8+ T cell innate function in the war against cancer]. PMID- 29200386 TI - [Copy-number analysis identifies new prognostic marker in acute myeloid leukemia]. PMID- 29200387 TI - [Jumping-to-conclusions in schizophrenia is mediated by circular inference]. PMID- 29200388 TI - [Triple-negative breast cancer therapy via nectin-4 targeting]. PMID- 29200389 TI - [Circulating exosomal microRNA as biomarkers in mutiple myeloma]. PMID- 29200390 TI - [Endocytosis in dendrites: a local tool to regulate synaptic transmission]. PMID- 29200391 TI - [Gal-9 promotes viral persistence of hepatitis virus in the liver]. PMID- 29200392 TI - [When germs get involved in Parkinson's disease]. PMID- 29200393 TI - [Skeletal muscle aging and mitochondrial dysfunction: an update]. AB - One of the most obvious and deleterious changes occurring with aging is a progressive loss of skeletal muscle mass and strength, a physiological process named sarcopenia. Amongst the multiple theories that have been put forward to explain sarcopenia, the mitochondrial theory of aging, which postulates that the accumulation of mitochondrial dysfunctions with aging plays a causal role in muscle atrophy, has focused intense research effort and attention in the past decades. The generally accepted view of this theory is that, due to the reactive oxygen species (ROS) production inherent to respiratory chain activity, oxidative damage to mitochondrial proteins, lipids and DNA accumulates with aging. This damage is thought to (i) exacerbate mitochondrial ROS production, (ii) impair the capacity of mitochondria to adequately match the cellular ATP demand and (iii) trigger mitochondrial-mediated apoptosis. Although very appealing, this theory remains controversial. The aims of the present review are (i) to provide the reader with a short, but comprehensive review of the current literature linking mitochondrial dysfunction and sarcopenia and (ii) to briefly discuss the potential mechanisms underlying the accumulation of mitochondrial dysfunction with muscle aging. PMID- 29200394 TI - [The IgH 3'RR: Doctor Jekyll and Mister Hyde of B-cell maturation and lymphomagenesis]. AB - The four transcriptional enhancers located in the 3' regulatory region (3'RR) of the IgH locus control the late phases of B-cell maturation, namely IgH locus transcription, somatic hypermutation and class switch recombination. Doctor Jekyll by nature, the 3'RR acts as Mister Hyde in case of oncogenic translocation at the IgH locus taking under its transcriptional control the translocated oncogene. The aim of this review is to show this duality on the basis of the latest scientific advances in the structure and function of the 3'RR and to hIghlight the targeting of the 3'RR as a potential therapeutic approach in mature B-cell lymphomas. PMID- 29200395 TI - [The future of forensic DNA analysis for criminal justice]. AB - In the criminal framework, the analysis of approximately 20 DNA microsatellites enables the establishment of a genetic profile with a high statistical power of discrimination. This technique gives us the possibility to establish or exclude a match between a biological trace detected at a crime scene and a suspect whose DNA was collected via an oral swab. However, conventional techniques do tend to complexify the interpretation of complex DNA samples, such as degraded DNA and mixture DNA. The aim of this review is to highlight the powerness of new forensic DNA methods (including high-throughput sequencing or single-cell sequencing) to facilitate the interpretation of the expert with full compliance with existing french legislation. PMID- 29200396 TI - [Trained immunity in invertebrates: what do we know?] AB - One of the defense mechanisms of the host is the trained immunity, an immune component of the innate immunity, also known as innate immune memory. The trained immunity is defined as an exacerbated protection of an organism to a foreign body, such as a pathogenic microorganism, upon a second contact with it. This kind of immunity does not involve the components of acquired immunity, such as the B lymphocytes or T lymphocytes. It relies heavily on the cellular and molecular machinery of the innate response. Trained immunity is described as being present in both invertebrates and vertebrates, but its mechanisms have only recently begun to be elucidated, particularly in the vertebrates. Today, most of the research about innate immune memory deals with vertebrate models, forgetting that this mechanism exists in invertebrates. Investigating trained immunity in invertebrates gives the advantage to work with models naturally lacking acquired immunity. The aim of this review is to take stock of the knowledge concerning the trained immunity entailed in invertebrates. PMID- 29200397 TI - [Importance of intestinal paleomicrobiome study for contemporaneous medical problematics]. AB - Human gut microbiome composition and diversity increasingly appear as a reliable marker of human evolution within his environment, and of health and its alteration (concept of dysbiosis); as a matter of fact, it can be considered as a strong marker of the disease status of individuals. Thus, in retrospect, the capacity to profile the gut microbiome would offer a great opportunity to identify individual and societal changes to which ancient populations were exposed. A global and diachronic view of the gut microbiome evolution is necessary in order to highlight the potential role of environmental factors or human habits in this process. However, to make the most of its contribution, archaeo-microbiology should aim at being as exhaustive as possible, encompassing parasites which have likely played a major role in the development of the mammalian immune system, and viruses. PMID- 29200398 TI - [Stressful work and heart do not get along well]. AB - As other occupational risk factors, like noise, heat or some chemicals, stress at work may induce coronary heart disease. Occupational stress has several components and is usually measured using two different instruments: the Karasek model defines the job strain as the association between high constraints and low latitude at work, whereas the Siegrist model relies on the imbalance between efforts at work and rewards. It is now well established that occupational stress is an independent risk factor of coronary heart disease, the attributable risk fraction being about 3.5%, yielding some 3,400-4,000 incident cases each year in France. Several biological mechanisms have been hypothesized to explain how stress can induce coronary heart disease, but this remains largely unknown. PMID- 29200399 TI - [Why have we only two P53 genes?] AB - In this forum, we develop the idea that the human genome may not be equipped to protect us after the age of reproduction against certain diseases such as cancer or neuro-degenerative diseases. We take as example cancer and show that adding one tumor suppressor in the mouse genome in its genomic context (BAC transgene) provides some protection against spontaneous and induced tumors. We also show that in certain species displaying a resistance to cancer, there is an amplification of some tumor suppressor genes. PMID- 29200400 TI - [Should the knowledge be imperative? The key challenge of high throughput genetics]. PMID- 29200401 TI - [CAR-T immunotherapy, a regulatory milestone]. AB - The first therapy based on chimeric antigen receptors has been approved by the FDA. It gives excellent results in recurrent paediatric ALL; its cost is very high but fairly consistent with the clinical benefit (long term remission approaching a cure). In spite of their complexity and cost, CAR-T therapies will probably end up playing a very significant role in cancer therapy. PMID- 29200402 TI - Can a smartphone app improve medical trainees' knowledge of antibiotics? AB - Objectives: To determine whether a smartphone app, containing local bacterial resistance patterns (antibiogram) and treatment guidelines, improved knowledge of prescribing antimicrobials among medical trainees. Methods: We conducted a prospective, controlled, pre-post study of medical trainees with access to a smartphone app (app group) containing our hospital's antibiogram and treatment guidelines compared to those without access (control group). Participants completed a survey which included a knowledge assessment test (score range, 0 [lowest possible score] to 12 [highest possible score]) at the start of the study and four weeks later. The primary outcome was change in mean knowledge assessment test scores between week 0 and week 4. Change in knowledge assessment test scores in the app group were compared to the difference in scores in the control group using multivariable linear regression. Results: Sixty-two residents and senior medical students participated in the study. In a multivariable analysis controlling for sex and prior knowledge, app use was associated with a 1.1 point (95% CI: 0.10, 2.1) [beta = 1.08, t(1) = 2.08, p = 0.04] higher change in knowledge score compared to the change in knowledge scores in the control group. Among those in the app group, 88% found it easy to navigate, 85% found it useful, and about one- quarter used it daily. Conclusions: An antibiogram and treatment algorithm app increased knowledge of prescribing antimicrobials in the context of local antibiotic resistance patterns. These findings reinforce the notion that smartphone apps can be a useful and innovative means of delivering medical education. PMID- 29200403 TI - Disaster management and primary health care: implications for medical education. PMID- 29200405 TI - Posteromedial Corner Knee Injuries: Diagnosis, Management, and Outcomes: A Critical Analysis Review. PMID- 29200404 TI - STAT5BN642H is a driver mutation for T cell neoplasia. AB - STAT5B is often mutated in hematopoietic malignancies. The most frequent STAT5B mutation, Asp642His (N642H), has been found in over 90 leukemia and lymphoma patients. Here, we used the Vav1 promoter to generate transgenic mouse models that expressed either human STAT5B or STAT5BN642H in the hematopoietic compartment. While STAT5B-expressing mice lacked a hematopoietic phenotype, the STAT5BN642H-expressing mice rapidly developed T cell neoplasms. Neoplasia manifested as transplantable CD8+ lymphoma or leukemia, indicating that the STAT5BN642H mutation drives cancer development. Persistent and enhanced levels of STAT5BN642H tyrosine phosphorylation in transformed CD8+ T cells led to profound changes in gene expression that were accompanied by alterations in DNA methylation at potential histone methyltransferase EZH2-binding sites. Aurora kinase genes were enriched in STAT5BN642H-expressing CD8+ T cells, which were exquisitely sensitive to JAK and Aurora kinase inhibitors. Together, our data suggest that JAK and Aurora kinase inhibitors should be further explored as potential therapeutics for lymphoma and leukemia patients with the STAT5BN642H mutation who respond poorly to conventional chemotherapy. PMID- 29200406 TI - Sensorineural hearing loss in a patient with Swyer syndrome. PMID- 29200407 TI - A MECOM variant in an African American child with radioulnar synostosis and thrombocytopenia. PMID- 29200409 TI - Falls in Hospitalized Children With Neurodevelopmental Conditions: A Cross sectional, Correlational Study. AB - PURPOSE: The aim of the current study was to investigate in-hospital falls among children with neurological or neurodevelopmental conditions and investigated associated child characteristics. DESIGN: A cross-sectional, correlational study design was used in this study. A total of 446 patients were enrolled in the study, of which 298 were admitted with neurological conditions and 148 with neurodevelopmental conditions. METHODS: Intelligent quotient (IQ) was assessed according to age, and the Humpty Dumpty Falls Scale (HDFS) was completed and scored for each participant. FINDINGS: The neurodevelopmental group showed higher HDFS total mean score (p = .001) compared to the neurological group. We found that fall rates are more frequent (p = .003) in the neurodevelopmental group (12.9%) compared with the neurological group (5.1%). In addition, we found that, in both groups, HDFS total mean score correlates negatively with children's age, gender and IQ. CONCLUSIONS AND CLINICAL RELEVANCE: The results of this study suggest that the fall prevention programs must be implemented in children with neurodevelopmental conditions, not only in children with neurological conditions. PMID- 29200408 TI - Angiotensin-converting enzyme activity in Cavalier King Charles Spaniels with an ACE gene polymorphism and myxomatous mitral valve disease. AB - OBJECTIVES: Myxomatous mitral valve disease (MMVD) is the most common heart disease in the dog. It is particularly common in the Cavalier King Charles Spaniel (CKCS) breed and affected dogs are frequently managed with angiotensin converting enzyme inhibitors (ACE-I). We have previously identified a canine ACE gene polymorphism associated with a decrease in angiotensin-converting enzyme (ACE) activity. The aim of this study was to evaluate for the prevalence of the ACE polymorphism in CKCS with mitral valve disease and to determine whether the presence of the polymorphism is associated with alterations in ACE activity at different stages of cardiac disease. METHODS: Seventy-three dogs with a diagnosis of mitral valve disease were evaluated and a blood sample was drawn for ACE polymorphism genotyping and ACE activity measurement. RESULTS: Forty-three dogs were homozygous for the ACE polymorphism; five were heterozygous and 25 were homozygous wild type. The mean age and the median severity of disease were not different for dogs with the polymorphism and dogs with the wild-type sequence. The median baseline ACE activity was significantly lower for the ACE polymorphism (27.0 U/l) than the wild-type sequence dogs (31.0 U/l) (P=0.02). Dogs with more severe disease and the ACE polymorphism had significantly lower levels of ACE activity than dogs with the wild-type sequence (P=0.03). CONCLUSION: The CKCS appears to have a high prevalence of the ACE variant. Dogs with the ACE variant had lower levels of ACE activity even in more advanced mitral valve disease than dogs without the variant. The clinical significance of this finding and its impact on the need for ACE-I in dogs with the polymorphism and heart disease deserves further study. PMID- 29200410 TI - Are rehabilitation outcomes after severe anoxic brain injury different from severe traumatic brain injury? A matched case-control study. AB - Many reports have investigated rehabilitation outcomes after a traumatic brain injury (TBI); however, comparably less is known about whether they differ from outcomes of an anoxic brain injury (ABI). Thus, we aimed to compare the rehabilitation outcomes of patients with ABI with control patients who have TBI. Forty participants with ABI and 40 participants with TBI were included in this retrospective study. Participants with ABI were matched with participants with TBI who had similar clinical characteristics such as age, initial Functional Independence Measurement (FIM) score, and duration of coma. FIM and Functional Ambulation Classification (FAC) scores on rehabilitation admission and on rehabilitation discharge were recorded. The FIM score in the ABI group was 41.7+/ 28.5 on rehabilitation admission and increased to 57.1+/-31.4 on rehabilitation discharge. The FIM score in the TBI group was 40.8+/-24.0 on rehabilitation admission and increased to 65.9+/-35.3 on rehabilitation discharge. There was no statistically significant difference in the FIM scores on rehabilitation discharge between groups. Initial FAC was similar in both groups and there was no statistically significant difference in the FAC scores on rehabilitation discharge. The multiple linear regression analysis showed that intensive care unit length of stay had an inverse relationship with the FAC change. We did not find significant differences in the rehabilitation outcomes of participants with ABI compared with participants with TBI. Considering the lack of information in the literature on ABI rehabilitation, this study may be important to guide rehabilitation teams. PMID- 29200414 TI - Real-world use of scalp cooling to reduce chemotherapy-related hair loss. PMID- 29200411 TI - A Multicenter and Randomized Controlled Trial of Bicyclol in the Treatment of Statin-Induced Liver Injury. AB - BACKGROUND The aim of this study was to evaluate the efficacy and safety of bicyclol treatment in statin-induced liver injury. MATERIAL AND METHODS The study included 168 patients with liver injury caused by statins. Patients were randomized into two four-week treatment groups: bicyclol 25 mg three times daily or polyene phosphatidylcholine 456 mg three times daily as control. Serum biochemical indexes were compared before and after treatment. RESULTS Significant differences in alanine transaminase (ALT) levels among the three measurements before and after treatment in the two groups at different time points were observed (p<0.01). There was a significant difference (p<0.01) between two weeks and four weeks after treatment compared to the baseline period. There was a significant interaction (p=0.003) between the two groups and time factors. After two and four weeks of treatment, the ALT levels in the control group (68.20+/ 26.31, 50.71+/-27.13 respectively) were higher compared to the ALT in the bicyclol group (49.33+/-21.39, 30.36+/-17.41 respectively) (p<0.01). After four weeks of treatment, the normalization rates of bicyclol and polyene phosphatidylcholine groups were 74.68% and 46.15%, respectively. The efficacy of bicyclol was significantly better than that of polyene phosphatidylcholine (p<0.05). The incidence of adverse reactions in the bicyclol and polyene phosphatidylcholine groups were 2.53% and 2.56%, respectively, with no statistically significant differences observed between the two groups (p>0.05). CONCLUSIONS These findings suggest that trends of ALT changes in the two groups were different, and the improvement of ALT was more obvious in the bicyclol group. Bicyclol is considered to be safe and effective in the treatment of statin induced liver injury. PMID- 29200415 TI - Advances in the management of fungal infections. PMID- 29200416 TI - Patient-derived tumor xenograft models in drug development. PMID- 29200417 TI - New guidelines from the NCCN for polycythemia vera. PMID- 29200418 TI - Immunotherapy in ovarian cancer: where are we now, and where are we going? PMID- 29200419 TI - A mind map for managing minimal residual disease in acute myeloid leukemia. AB - Advances in detecting traces of leukemia that were previously unidentifiable have increasingly led to the incorporation of information about residual disease into clinical decision making for patients with leukemia in both the postinduction and consolidation settings. This review discusses current concepts related to minimal residual disease (MRD), which is defined as submicroscopic disease detected during morphologic complete remission. The focus is on acute myeloid leukemia (AML). Basic methods for detecting MRD include flow cytometry, reverse transcription-polymerase chain reaction, and mutation analysis. Several studies using these assays have demonstrated prognostic implications based on MRD positive vs MRD-negative status. As our understanding of the biological factors responsible for MRD in AML evolves, residual disease should be evaluated in the context of other prognostic markers. Current therapeutic options for managing MRD in AML are limited, and the clinical implications of a positive MRD test result can be significant. Regarding individual patients, an evidence-based approach must be applied while the institution- and assay-specific differences that currently exist are considered. Challenges associated with MRD assessment, such as the limited standardization of available assays and the paucity of effective agents to eradicate MRD, will need to be overcome before physicians who treat leukemia can use MRD as a tool for clinical management. PMID- 29200421 TI - Urban networks among Chinese cities along "the Belt and Road": A case of web search activity in cyberspace. AB - "The Belt and Road" initiative has been expected to facilitate interactions among numerous city centers. This initiative would generate a number of centers, both economic and political, which would facilitate greater interaction. To explore how information flows are merged and the specific opportunities that may be offered, Chinese cities along "the Belt and Road" are selected for a case study. Furthermore, urban networks in cyberspace have been characterized by their infrastructure orientation, which implies that there is a relative dearth of studies focusing on the investigation of urban hierarchies by capturing information flows between Chinese cities along "the Belt and Road". This paper employs Baidu, the main web search engine in China, to examine urban hierarchies. The results show that urban networks become more balanced, shifting from a polycentric to a homogenized pattern. Furthermore, cities in networks tend to have both a hierarchical system and a spatial concentration primarily in regions such as Beijing-Tianjin-Hebei, Yangtze River Delta and the Pearl River Delta region. Urban hierarchy based on web search activity does not follow the existing hierarchical system based on geospatial and economic development in all cases. Moreover, urban networks, under the framework of "the Belt and Road", show several significant corridors and more opportunities for more cities, particularly western cities. Furthermore, factors that may influence web search activity are explored. The results show that web search activity is significantly influenced by the economic gap, geographical proximity and administrative rank of the city. PMID- 29200420 TI - The effect of novel therapies in high-molecular-risk multiple myeloma. AB - Multiple myeloma is a heterogeneous disease with a prognosis that varies with patient factors, disease burden, tumor biology, and treatments. Certain molecular abnormalities confer a worse prognosis and thus are considered high-risk. These include t(4;14), del(17p), t(14;16), t(14;20), hypodiploidy, and gain(1q)/del(1p). In our previous review in 2013, we discussed the effect of available therapies on prognosis in these high-risk patients. Since then, seven phase 3 clinical trials in relapsed myeloma with 1 to 3 lines of therapy have been conducted, resulting in the approval of panobinostat, ixazomib, daratumumab, and elotuzumab, as well as additional data on carfilzomib. In our current review of these studies, all the novel therapies resulted in an improvement in progression-free survival for high-risk patients, but none of the trials provided clear statistical evidence that they overcame high-risk status. Moreover, there are several limitations in the currently available data. For example, the patient's Revised International Staging System score is generally not reported, and even when it is reported, it is usually at the time of initial diagnosis rather than at the time of study entry. Furthermore, the methodology used to determine risk suffers from technologic issues. Finally, the clonal and allele burden and concurrent molecular abnormalities can affect risk status and prognosis. To determine the optimal therapy for high-risk patients, future clinical trials should provide standardized risk assessments for all patients in addition to hazard ratios for Kaplan-Meier survival curves of high-risk patients vs those of standard-risk patients to determine if high-risk status has truly been overcome by a novel agent. PMID- 29200422 TI - Whole-system approaches to improving the health and wellbeing of healthcare workers: A systematic review. AB - BACKGROUND: Healthcare professionals throughout the developed world report higher levels of sickness absence, dissatisfaction, distress, and "burnout" at work than staff in other sectors. There is a growing call for the 'triple aim' of healthcare delivery (improving patient experience and outcomes and reducing costs; to include a fourth aim: improving healthcare staff experience of healthcare delivery. A systematic review commissioned by the United Kingdom's (UK) Department of Health reviewed a large number of international healthy workplace interventions and recommended five whole-system changes to improve healthcare staff health and wellbeing: identification and response to local need, engagement of staff at all levels, and the involvement, visible leadership from, and up-skilling of, management and board-level staff. OBJECTIVES: This systematic review aims to identify whole-system healthy workplace interventions in healthcare settings that incorporate (combinations of) these recommendations and determine whether they improve staff health and wellbeing. METHODS: A comprehensive and systematic search of medical, education, exercise science, and social science databases was undertaken. Studies were included if they reported the results of interventions that included all healthcare staff within a healthcare setting (e.g. whole hospital; whole unit, e.g. ward) in collective activities to improve physical or mental health or promote healthy behaviours. RESULTS: Eleven studies were identified which incorporated at least one of the whole-system recommendations. Interventions that incorporated recommendations to address local need and engage the whole workforce fell in to four broad types: 1) pre-determined (one-size-fits-all) and no choice of activities (two studies); or 2) pre-determined and some choice of activities (one study); 3) A wide choice of a range of activities and some adaptation to local needs (five studies); or, 3) a participatory approach to creating programmes responsive and adaptive to local staff needs that have extensive choice of activities to participate in (three studies). Only five of the interventions included substantial involvement and engagement of leadership and efforts aimed at up-skilling the leadership of staff to support staff health and wellbeing. Incorporation of more of the recommendations did not appear to be related to effectiveness. The heterogeneity of study designs, populations and outcomes excluded a meta-analysis. All studies were deemed by their authors to be at least partly effective. Two studies reported statistically significant improvement in objectively measured physical health (BMI) and eight in subjective mental health. Six studies reported statistically significant positive changes in subjectively assessed health behaviours. CONCLUSIONS: This systematic review identified 11 studies which incorporate at least one of the Boorman recommendations and provides evidence that whole-system healthy workplace interventions can improve health and wellbeing and promote healthier behaviours in healthcare staff. PMID- 29200423 TI - Analysing increasing trends of Guillain-Barre Syndrome (GBS) and dengue cases in Hong Kong using meteorological data. AB - BACKGROUND: Guillain-Barre Syndrome (GBS) is a severe paralytic neuropathy associated with virus infections such as Zika virus and Chikungunya virus. There were also case reports of dengue fever preceding GBS. With the aim to understand the mechanisms of GBS and dengue outbreaks, this ecological study investigates the relationships between GBS, dengue, meteorological factors in Hong Kong and global climatic factors from January 2000 to June 2016. METHODS: The correlations between GBS, dengue, Multivariate El Nino Southern Oscillation Index (MEI) and local meteorological data were explored by Spearman's Rank correlations and cross correlations. Three Poisson regression models were fitted to identify non-linear associations among GBS, dengue and MEI. Cross wavelet analyses were applied to infer potential non-stationary oscillating associations among GBS, dengue and MEI. FINDINGS AND CONCLUSION: We report a substantial increasing of local GBS and dengue cases (mainly imported) in recent year in Hong Kong. The seasonalities of GBS and dengue are different, in particular, GBS is low while dengue is high in the summer. We found weak but significant correlations between GBS and local meteorological factors. MEI could explain over 17% of dengue's variations based on Poisson regression analyses. We report a possible non-stationary oscillating association between dengue fever and GBS cases in Hong Kong. This study has led to an improved understanding about the timing and ecological relationships between MEI, GBS and dengue. PMID- 29200424 TI - Arm rehabilitation in post stroke subjects: A randomized controlled trial on the efficacy of myoelectrically driven FES applied in a task-oriented approach. AB - PURPOSE: Motor recovery of persons after stroke may be enhanced by a novel approach where residual muscle activity is facilitated by patient-controlled electrical muscle activation. Myoelectric activity from hemiparetic muscles is then used for continuous control of functional electrical stimulation (MeCFES) of same or synergic muscles to promote restoration of movements during task-oriented therapy (TOT). Use of MeCFES during TOT may help to obtain a larger functional and neurological recovery than otherwise possible. STUDY DESIGN: Multicenter randomized controlled trial. METHODS: Eighty two acute and chronic stroke victims were recruited through the collaborating facilities and after signing an informed consent were randomized to receive either the experimental (MeCFES assisted TOT (M-TOT) or conventional rehabilitation care including TOT (C-TOT). Both groups received 45 minutes of rehabilitation over 25 sessions. Outcomes were Action Research Arm Test (ARAT), Upper Extremity Fugl-Meyer Assessment (FMA-UE) scores and Disability of the Arm Shoulder and Hand questionnaire. RESULTS: Sixty eight subjects completed the protocol (Mean age 66.2, range 36.5-88.7, onset months 12.7, range 0.8-19.1) of which 45 were seen at follow up 5 weeks later. There were significant improvements in both groups on ARAT (median improvement: MeCFES TOT group 3.0; C-TOT group 2.0) and FMA-UE (median improvement: M-TOT 4.5; C-TOT 3.5). Considering subacute subjects (time since stroke < 6 months), there was a trend for a larger proportion of improved patients in the M-TOT group following rehabilitation (57.9%) than in the C-TOT group (33.2%) (difference in proportion improved 24.7%; 95% CI -4.0; 48.6), though the study did not meet the planned sample size. CONCLUSION: This is the first large multicentre RCT to compare MeCFES assisted TOT with conventional care TOT for the upper extremity. No adverse events or negative outcomes were encountered, thus we conclude that MeCFES can be a safe adjunct to rehabilitation that could promote recovery of upper limb function in persons after stroke, particularly when applied in the subacute phase. PMID- 29200425 TI - Correction: A systematic review and meta-analysis of preclinical trials testing anti-toxin therapies for B. anthracis infection: A need for more robust study designs and results. AB - [This corrects the article DOI: 10.1371/journal.pone.0182879.]. PMID- 29200426 TI - Characterization of dFOXO binding sites upstream of the Insulin Receptor P2 promoter across the Drosophila phylogeny. AB - The insulin/TOR signal transduction pathway plays a critical role in determining such important traits as body and organ size, metabolic homeostasis and life span. Although this pathway is highly conserved across the animal kingdom, the affected traits can exhibit important differences even between closely related species. Evolutionary studies of regulatory regions require the reliable identification of transcription factor binding sites. Here we have focused on the Insulin Receptor (InR) expression from its P2 promoter in the Drosophila genus, which in D. melanogaster is up-regulated by hypophosphorylated Drosophila FOXO (dFOXO). We have finely characterized this transcription factor binding sites in vitro along the 1.3 kb region upstream of the InR P2 promoter in five Drosophila species. Moreover, we have tested the effect of mutations in the characterized dFOXO sites of D. melanogaster in transgenic flies. The number of experimentally established binding sites varies across the 1.3 kb region of any particular species, and their distribution also differs among species. In D. melanogaster, InR expression from P2 is differentially affected by dFOXO binding sites at the proximal and distal halves of the species 1.3 kb fragment. The observed uneven distribution of binding sites across this fragment might underlie their differential contribution to regulate InR transcription. PMID- 29200427 TI - A unique plasma microRNA profile defines type 2 diabetes progression. AB - A major unmet medical need to better manage Type 2 Diabetes (T2D) is the accurate disease prediction in subjects who show glucose dysmetabolism, but are not yet diagnosed as diabetic. We investigated the possibility to predict/monitor the progression to T2D in these subjects by retrospectively quantifying blood circulating microRNAs in plasma of subjects with i) normal glucose tolerance (NGT, n = 9); ii) impaired glucose tolerance (IGT, n = 9), divided into non progressors (NP, n = 5) and progressors (P, n = 4) based on subsequent diabetes occurrence, and iii) newly diagnosed T2D (n = 9). We found that impaired glucose tolerance associated with a global increase of plasma circulating microRNAs. While miR-148 and miR-222 were specifically modulated in diabetic subjects and correlated with parameters of glucose tolerance, the most accentuated microRNA dysregulation was found in NP IGT subjects, with increased level of miR-122, miR 99 and decreased level of let-7d, miR-18a, miR-18b, miR-23a, miR-27a, miR-28 and miR-30d in comparison with either NGT or T2D. Interestingly, several of these microRNAs significantly correlated with parameters of cholesterol metabolism. In conclusion, we observed the major perturbation of plasma circulating microRNA in NP pre-diabetic subjects and identified a unique microRNA profile that may become helpful in predicting diabetic development. PMID- 29200429 TI - Correction: Role of the N-terminus for the stability of an amyloid-beta fibril with three-fold symmetry. AB - [This corrects the article DOI: 10.1371/journal.pone.0186347.]. PMID- 29200428 TI - Low empathy-like behaviour in male mice associates with impaired sociability, emotional memory, physiological stress reactivity and variations in neurobiological regulations. AB - Deficits in empathy have been proposed to constitute a hallmark of several psychiatric disturbances like conduct disorder, antisocial and narcissistic personality disorders. Limited sensitivity to punishment, shallow or deficient affect and reduced physiological reactivity to environmental stressors have been often reported to co-occur with limited empathy and contribute to the onset of antisocial phenotypes. Empathy in its simplest form (i.e. emotional contagion) is addressed in preclinical models through the evaluation of the social transmission of emotional states: mice exposed to a painful stimulus display a higher response if in the presence of a familiar individual experiencing a higher degree of discomfort, than in isolation. In the present study, we investigated whether a reduction of emotional contagion can be considered a predictor of reduced sociality, sensitivity to punishment and physiological stress reactivity. To this aim, we first evaluated emotional contagion in a group of Balb/cJ mice and then discretised their values in four quartiles. The upper (i.e. Emotional Contagion Prone, ECP) and the lower (i.e. Emotional Contagion Resistant, ECR) quartiles constituted the experimental groups. Our results indicate that mice in the lower quartile are characterized by reduced sociability, impaired memory of negative events and dampened hypothalamic-pituitary-adrenocortical reactivity to external stressors. Furthermore, in the absence of changes in oxytocin receptor density, we show that these mice exhibit elevated concentrations of oxytocin and vasopressin and reduced density of BDNF receptors in behaviourally-relevant brain areas. Thus, not only do present results translate to the preclinical investigation of psychiatric disturbances, but also they can contribute to the study of emotional contagion in terms of its adaptive significance. PMID- 29200430 TI - Long-term sensorimotor adaptation in the ocular following system of primates. AB - The sudden movement of a wide-field image leads to a reflexive eye tracking response referred to as short-latency ocular following. If the image motion occurs soon after a saccade the initial speed of the ocular following is enhanced, a phenomenon known as post-saccadic enhancement. We show in macaque monkeys that repeated exposure to the same stimulus regime over a period of months leads to progressive increases in the initial speeds of ocular following. The improvement in tracking speed occurs for ocular following with and without a prior saccade. As a result of the improvement in ocular following speeds, the influence of post-saccadic enhancement wanes with increasing levels of training. The improvement in ocular following speed following repeated exposure to the same oculomotor task represents a novel form of sensori-motor learning in the context of a reflexive movement. PMID- 29200431 TI - Post-illumination cellular effects of photodynamic treatment. AB - Increased interest in clinical application of photodynamic therapy (PDT) in various medical fields poses a demand for better understanding of processes triggered by photo-treatment. Most of the work on PDT performed so far has focused on the immediate effects of photo-treatment. It is generally accepted that cellular damage occurs during light exposure and within a short period thereafter. If cells are not killed during the PDT, they might recover, depending on the extent of the photo-induced damage. Little is known, however, about the relationship between the properties of photosensitizers (PSs) and the delayed consequences of PDT. The aim of this work was to investigate cellular responses to sub-lethal photodynamic treatment and how toxicogenic potency may be affected by molecular features of the PS. Results demonstrated that for cationic porphyrin based PSs, lipophilicity is the main factor determining the fate of the cells in the 24-hour post-illumination period. PSs with amphiphilic properties initiated oxidative reactions that continued in the dark, long after light exposure, and caused suppression of metabolism and loss of cell viability with concomitant changes in electrophoretic mobility of proteins, including caspases. Apoptotic activity was not stimulated in the post-illumination period. This study demonstrated that in PDT mediated by amphiphilic cationic metalloporphyrin PSs, even when immediate photo-damage is relatively mild, destructive oxidative processes initiated during PDT continue in the absence of light to substantially impair metabolism, and that post-illumination protein modification may modify utilization of cell death pathways. PMID- 29200432 TI - Culturally appropriate organization of water and sewerage projects built through public private partnerships. AB - This paper contributes to the pursuit of socially sustainable water and sanitation infrastructure for all people by discovering statistically robust relationships between Hofstede's dimensions of cross-cultural comparison and the choice of contract award types, project type, and primary revenue sources. This analysis, which represents 973 projects distributed across 24 low- and middle income nations, uses a World Bank dataset describing high capital cost water and sewerage projects funded through private investment. The results show that cultural dimensions explain variation in the choice of contract award types, project type, and primary revenue sources. These results provide empirical evidence that strategies for water and sewerage project organization are not culturally neutral. The data show, for example, that highly individualistic contexts are more likely to select competitive contract award types and to depend on user fees to provide the primary project revenue stream post-construction. By selecting more locally appropriate ways to organize projects, project stakeholders will be better able to pursue the construction of socially sustainable water and sewerage infrastructure. PMID- 29200433 TI - Generation of Ca2+-independent sortase A mutants with enhanced activity for protein and cell surface labeling. AB - Sortase A, a calcium-dependent transpeptidase derived from Staphylococcus aureus, is used in a broad range of applications, such as the conjugation of fluorescent dyes and other moieties to proteins or to the surface of eukaryotic cells. In vivo and cell-based applications of sortase have been somewhat limited by the large range of calcium concentrations, as well as by the often transient nature of protein-protein interactions in living systems. In order to use sortase A for cell labeling applications, we generated a new sortase A variant by combining multiple mutations to yield an enzyme that was both calcium-independent and highly active. This variant has enhanced activity for both N- and C-terminal labeling, as well as for cell surface modification under physiological conditions. PMID- 29200436 TI - Genomic selection of crossing partners on basis of the expected mean and variance of their derived lines. AB - In a line or a hybrid breeding program superior lines are selected from a breeding pool as parental lines for the next breeding cycle. From a cross of two parental lines, new lines are derived by single-seed descent (SSD) or doubled haploid (DH) technology. However, not all possible crosses between the parental lines can be carried out due to limited resources. Our objectives were to present formulas to characterize a cross by the mean and variance of the genotypic values of the lines derived from the cross, and to apply the formulas to predict means and variances of flowering time traits in recombinant inbred line families of a publicly available data set in maize. We derived formulas which are based on the expected linkage disequilibrium (LD) between two loci and which can be used for arbitrary mating systems. Results were worked out for SSD and DH lines derived from a cross after an arbitrary number of intermating generations. The means and variances were highly correlated with results obtained by the simulation software PopVar. Compared with these simulations, computation time for our closed formulas was about ten times faster. The means and variances for flowering time traits observed in the recombinant inbred line families of the investigated data set showed correlations of around 0.9 for the means and of 0.46 and 0.65 for the standard deviations with the estimated values. We conclude that our results provide a framework that can be exploited to increase the efficiency of hybrid and line breeding programs by extending genomic selection approaches to the selection of crossing partners. PMID- 29200435 TI - A model of individualized canonical microcircuits supporting cognitive operations. AB - Major cognitive functions such as language, memory, and decision-making are thought to rely on distributed networks of a large number of basic elements, called canonical microcircuits. In this theoretical study we propose a novel canonical microcircuit model and find that it supports two basic computational operations: a gating mechanism and working memory. By means of bifurcation analysis we systematically investigate the dynamical behavior of the canonical microcircuit with respect to parameters that govern the local network balance, that is, the relationship between excitation and inhibition, and key intrinsic feedback architectures of canonical microcircuits. We relate the local behavior of the canonical microcircuit to cognitive processing and demonstrate how a network of interacting canonical microcircuits enables the establishment of spatiotemporal sequences in the context of syntax parsing during sentence comprehension. This study provides a framework for using individualized canonical microcircuits for the construction of biologically realistic networks supporting cognitive operations. PMID- 29200434 TI - Iron-induced oligomerization of human FXN81-210 and bacterial CyaY frataxin and the effect of iron chelators. AB - Patients suffering from the progressive neurodegenerative disease Friedreich's ataxia have reduced expression levels of the protein frataxin. Three major isoforms of human frataxin have been identified, FXN42-210, FXN56-210 and FXN81 210, of which FXN81-210 is considered to be the mature form. Both long forms, FXN42-210 and FXN56-210, have been shown to spontaneously form oligomeric particles stabilized by the extended N-terminal sequence. The short variant FXN81 210, on other hand, has only been observed in the monomeric state. However, a highly homologous E. coli frataxin CyaY, which also lacks an N-terminal extension, has been shown to oligomerize in the presence of iron. To explore the mechanisms of stabilization of short variant frataxin oligomers we compare here the effect of iron on the oligomerization of CyaY and FXN81-210. Using dynamic light scattering, small-angle X-ray scattering, electron microscopy (EM) and cross linking mass spectrometry (MS), we show that at aerobic conditions in the presence of iron both FXN81-210 and CyaY form oligomers. However, while CyaY oligomers are stable over time, FXN81-210 oligomers are unstable and dissociate into monomers after about 24 h. EM and MS studies suggest that within the oligomers FXN81-210 and CyaY monomers are packed in a head-to-tail fashion in ring-shaped structures with potential iron-binding sites located at the interface between monomers. The higher stability of CyaY oligomers can be explained by a higher number of acidic residues at the interface between monomers, which may result in a more stable iron binding. We also show that CyaY oligomers may be dissociated by ferric iron chelators deferiprone and DFO, as well as by the ferrous iron chelator BIPY. Surprisingly, deferiprone and DFO stimulate FXN81-210 oligomerization, while BIPY does not show any effect on oligomerization in this case. The results suggest that FXN81-210 oligomerization is primarily driven by ferric iron, while both ferric and ferrous iron participate in CyaY oligomer stabilization. Analysis of the amino acid sequences of bacterial and eukaryotic frataxins suggests that variations in the position of the acidic residues in helix 1, beta-strand 1 and the loop between them may control the mode of frataxin oligomerization. PMID- 29200437 TI - Food cleaning in gorillas: Social learning is a possibility but not a necessity. AB - Food cleaning is widespread in the animal kingdom, and a recent report confirmed that (amongst other behaviours) wild western lowland gorillas also show food cleaning. The authors of this report conclude that this behaviour, based on its distribution patterns, constitutes a potential candidate for culture. While different conceptualisations of culture exist, some more and some less reliant on behavioural form copying, all of them assign a special role to social learning processes in explaining potentially cultural behaviours. Here we report the results of an experiment that tested to what extent food cleaning behaviour in a group of captive Western lowland gorillas (Gorilla gorilla gorilla) relies on social learning processes. Subjects were provided with clean and dirty apples. When they were provided with dirty apples, all subjects showed evidence of food cleaning in at least 75% of trials. Preferred cleaning techniques differed between individuals, four out of five of subjects expressed a behaviour analogous to that reported in wild conspecifics. Given this occurrence of food cleaning in a culturally unconnected population of gorillas, we conclude that social learning is unlikely to play a central role in the emergence of the food cleaning behavioural form in Western lowland gorillas; instead, placing a greater emphasis on individual learning of food cleaning's behavioural form. PMID- 29200438 TI - Synthesis of Higher alpha-Chlorovinyl and alpha-Bromovinyl Amino Acids: The Amino Protecting Group Determines the Reaction Course. AB - N-Trifluoroacetyl alpha-vinyl amino esters are smoothly converted to the corresponding alpha-chlorovinyl or alpha-bromovinyl amino esters through the agency of phenyselenyl chloride or phenylselenyl bromide, respectively, followed by oxidation and pyrolysis. Exclusively the (E)-extemal halovinyl isomer and the internal halovinyl isomer are observed. The amino protecting group is a critical determinant of the reaction course (alkene addition vs. 5-exo-trig-like cyclization). PMID- 29200439 TI - Challenges to interpreting patient reported outcomes in clinical trials: author rejoinder. PMID- 29200440 TI - Erratum: Endoscopic ultrasound-guided gallbladder drainage for acute cholecystitis with a silicone-covered nitinol short bilaterally flared stent: a case series. AB - [This corrects the article DOI: 10.1055/s-0043-118659.]. PMID- 26401266 TI - A Case Study of the Impediments to the Commercialization of Research at the University of Kentucky. AB - The commercialization of university-based research occurs to varying degrees between academic institutions. Previous studies have found that multiple barriers can impede the effectiveness and efficiency by which academic research is commercialized. This case study was designed to analyze the status of the commercialization activity at the University of Kentucky via a survey and interview with a successful academic entrepreneur in order to determine the impediments the individual perceived during the commercialization process. The study also garnered insight from the individual as to how the commercialization process could be improved. Issues with infrastructure were highlighted as the most significant barrier faced by the individual. The research subject also suggested that commercialization activity may generally increase if a number of factors were mitigated. Such insight can be communicated to the administrative leadership of the commercialization process at the University of Kentucky. Long term, improving university-based research commercialization will allow academic researchers to be more active and successful entrepreneurs such that intellectual property will progress more freely to the marketplace for the benefit of inventors, universities, and society. PMID- 26535111 TI - AGA: Interactive pipeline for reproducible genomics analyses. AB - Automated Genomics Analysis (AGA) is an interactive program to analyze high throughput genomic data sets on a variety of platforms. An easy to use, point and click, guided pipeline is implemented to combine, define, and compare datasets, and customize their outputs. In contrast to other automated programs, AGA enables flexible selection of sample groups for comparison from complex sample annotations. Batch correction techniques are also included to further enable the combination of datasets from diverse studies in this comparison. AGA also allows users to save plots, tables and data, and log files containing key portions of the R script run for reproducible analyses. The link between the interface and R supports collaborative research, enabling advanced R users to extend preliminary analyses generated from bioinformatics novices. PMID- 26309725 TI - Development of an image-based screening system for inhibitors of the plastidial MEP pathway and of protein geranylgeranylation. AB - We have recently established an in vivo visualization system for the geranylgeranylation of proteins in a stably transformed tobacco BY-2 cell line, which involves expressing a dexamethasone-inducible GFP fused to the prenylable, carboxy-terminal basic domain of the rice calmodulin CaM61, which naturally bears a CaaL geranylgeranylation motif (GFP-BD-CVIL). By using pathway-specific inhibitors it was demonstrated that inhibition of the methylerythritol phosphate (MEP) pathway with oxoclomazone and fosmidomycin, as well as inhibition of protein geranylgeranyl transferase type 1 (PGGT-1), shifted the localization of the GFP-BD-CVIL protein from the membrane to the nucleus. In contrast, the inhibition of the mevalonate (MVA) pathway with mevinolin did not affect this localization. Furthermore, complementation assays with pathway-specific intermediates confirmed that the precursors for the cytosolic isoprenylation of this fusion protein are predominantly provided by the MEP pathway. In order to optimize this visualization system from a more qualitative assay to a statistically trustable medium or a high-throughput screening system, we established new conditions that permit culture and analysis in 96-well microtiter plates, followed by fluorescence microscopy. For further refinement, the existing GFP-BD-CVIL cell line was transformed with an estradiol-inducible vector driving the expression of a RFP protein, C-terminally fused to a nuclear localization signal (NLS-RFP). We are thus able to quantify the total number of viable cells versus the number of inhibited cells after various treatments. This approach also includes a semi-automatic counting system, based on the freely available image processing software. As a result, the time of image analysis as well as the risk of user-generated bias is reduced to a minimum. Moreover, there is no cross induction of gene expression by dexamethasone and estradiol, which is an important prerequisite for this test system. PMID- 25949808 TI - Follow-up: Prospective compound design using the 'SAR Matrix' method and matrix derived conditional probabilities of activity. AB - In a previous Method Article, we have presented the 'Structure-Activity Relationship (SAR) Matrix' (SARM) approach. The SARM methodology is designed to systematically extract structurally related compound series from screening or chemical optimization data and organize these series and associated SAR information in matrices reminiscent of R-group tables. SARM calculations also yield many virtual candidate compounds that form a "chemical space envelope" around related series. To further extend the SARM approach, different methods are developed to predict the activity of virtual compounds. In this follow-up contribution, we describe an activity prediction method that derives conditional probabilities of activity from SARMs and report representative results of first prospective applications of this approach. PMID- 29200445 TI - Establishing the Validity and Reliability Evidence of Preceptor Assessment of Student Tool. AB - Objective. To evaluate the validity and reliability evidence of the preceptor assessment of student tool (PAST) which was designed to assess doctor of pharmacy (PharmD) student rotation performance. Methods. Evaluation data were loaded into WINSTEPS software to conduct a Rasch rating scale analysis. Validity evidence was examined from construct and content validity perspectives, and reliability was assessed via student and item separation index and reliability coefficient. Data from 435 observations were included in the analysis. Results. All 19 items measured the same construct of interest and the five-point rating scale functioned appropriately and differentiated students' ability. However, the item/person map indicated an absence of items at the end of the measurement continuum. Conclusion. Although adding items at the end of the measurement continuum may be beneficial, PAST showed good validity and reliability evidence when used to evaluate PharmD student rotations and is suitable to assess mastery learning. PMID- 29200448 TI - Clinical Track Program Expansion Increases Rotation Capacity for Experiential Program. AB - Objective. To evaluate the rotation capacity at the University of Maryland School of Pharmacy and see if the implementation of clinical track programs across the state correlates to an increase in rotation capacity for the school. Methods. The following information was collected: number of preceptors over the years in the school's experiential learning program, number of clinical track programs from 2012 to 2015, rotation type, availability submissions per rotation type per year, and availability submissions per hospital participant in the clinical track program per year. The rotation capacity and rotation types from 2012 to 2015 academic years were assessed and compared to see if there was any impact on the clinical track programs implemented. Results. There was no statistically significant difference in the frequency distribution of rotation types among all sites from 2012 through 2015 academic years. However, there was a statistically significant difference in the total number/capacity of rotations from 2012 to 2015 academic years. There were also statistically significant differences in the rotation capacity in all sites except for three sites. Conclusion. Adding clinical track programs can help increase the capacity of a school's clinical rotations. PMID- 29200446 TI - Insights From the Defining Issues Test on Moral Reasoning Competencies Development in Community Pharmacists. AB - Objective. To investigate whether a profession-specific educational intervention affected the development of moral reasoning competencies in community pharmacists, as measured by the Defining Issues Test (DIT2). Methods. This research used a repeated measures pre-post educational intervention design as a quasi-randomized, controlled, crossover study to evaluate changes in the moral reasoning scores of 27 volunteer community pharmacists in Ireland. Results. Changes in pharmacists' moral reasoning competencies development, as reported by P-Scores and N2-Scores, were found to be significant. In addition, interaction effects were observed between developmental scores on the DIT2 and whether participants were determined to be consolidated in their reasoning pre- and post engagement with the educational intervention. Conclusion. Short profession specific educational interventions have the potential to positively affect the development of moral reasoning competencies of community pharmacists. PMID- 29200447 TI - Design and Validation of Patient-Centered Communication Tools (PaCT) to Measure Students' Communication Skills. AB - Objective. To develop a comprehensive instrument specific to student pharmacist patient communication skills, and to determine face, content, construct, concurrent, and predictive validity and reliability of the instrument. Methods. A multi-step approach was used to create and validate an instrument, including the use of external experts for face and content validity, students for construct validity, comparisons to other rubrics for concurrent validity, comparisons to other coursework for predictive validity, and extensive reliability and inter rater reliability testing with trained faculty assessors. Results. Patient centered Communication Tools (PaCT) achieved face and content validity and performed well with multiple correlation tests with significant findings for reliability testing and when compared to an alternate rubric. Conclusion. PaCT is a useful instrument for assessing student pharmacist communication skills with patients. PMID- 29200449 TI - Pharmacognosy, a Classical Theme Tuned to a Contemporary Melody. AB - Objective. To describe the development of a pharmacognosy course that uses a combination of didactic teaching, team-based projects, and practicum laboratory practice. Methods. A course titled "Pharmacognosy" was developed by applying a three-tier teaching methodology: in the classroom, the basic concepts and principles were introduced in a didactic manner; outside the classroom, students worked in teams and each team created an independent literature-based research project that was submitted as a poster presentation; in the pharmacy practicum laboratory, students worked individually and conducted a quality control experiment comprised of a quantitative analysis of an herbal product. Results. During the seven-year course implementation, 1091 first-year PharmD students participated in the course. Their performance was consistently satisfactory. On average, 30% of students in each class received a grade of "A" and teams received a "B" and above on their projects. Conclusion. The pharmacognosy course, equipped with concurrent teaching methods, implemented with a group research project, and reinforced by practicum laboratory experience, has reached the original goal of introducing a classical topic in an updated and contemporary fashion to meet the requirement of integrated pharmacy education and practice. PMID- 29200450 TI - An Analysis of California Pharmacy and Medical Students' Dietary and Lifestyle Practices. AB - Objective. To assess dietary and lifestyle practices of pharmacy and medical students in California and investigate whether they adhered to behaviors consistent with current dietary and exercise guidelines. Methods. The Block Brief 2000 Food Frequency Questionnaire and a supplemental survey assessing demographics, exercise, and dietary behaviors were administered to students across 10 California pharmacy and medical schools. Results. While the majority of students consumed sodium <2300 mg/day (73%) and dietary cholesterol <300 mg/day (84%), only 50% had a saturated fat intake <=10% total kcal, 13% met fiber intake goals, 10% consumed >=8 servings/day of fruit and vegetables, and 41% exercised >=150 minutes/week. The largest barrier to consuming a healthful diet was lack of time. Conclusion. A high proportion of pharmacy and medical students in California did not meet many of the dietary and physical activity recommendations. Health care programs may benefit from implementing nutrition and lifestyle education in their curriculum. PMID- 29200451 TI - Incidence of Self-Reported Depression Among Pharmacy Residents in Tennessee. AB - Objective. To assess the incidence of self-reported depression among pharmacy residents in Tennessee. Methods. A 50-question survey was distributed to pharmacy residency program directors across Tennessee. Using questions modified from the Major Depression Inventory scale, subjects were asked to identify personal signs or symptoms of depression. The researcher observed trends of depression and offered mental health education to participating programs. Results. Eighty-four residents were potentially exposed to the survey with 50 participants, yielding a 59% response rate. Of the 50 residents, 19 self-reported feeling depressed during residency. More concerning, 11 residents reported having suicidal thoughts. Additionally, 13 residents voiced they would benefit from mental health resources. Conclusion. Self-reported depression among pharmacy residents is not uncommon. Defining mental health benefit resources at the beginning of residency would be beneficial. PMID- 29200452 TI - Predisposition for Empathy, Intercultural Sensitivity, and Intentions for Using Motivational Interviewing in First Year Pharmacy Students. AB - Objective. To assess first-year pharmacy (P1) students' predispositions (eg, perceptions for empathy, intercultural sensitivity, and motivational interviewing (MI) as a patient-centered communication skillset) and identify potential curricula content/communication skills training needs. Methods. A cross-sectional survey was used to collect students' self-reported perceptions for empathy, intercultural sensitivity, counseling contexts, and projected future MI use. Relationships between variables were explored and logistic regression was used to evaluate intention for using MI in future patient encounters. Results. There were 134 students who participated. Higher predisposition for empathy and for intercultural sensitivity were significantly correlated. Significant predictors for applying MI in future patient encounters were sex, confidence with counseling skills, and current use of MI. Conclusion. Results suggest the need to incorporate innovative training strategies in communication skills curricula. Potential areas include empathy, intercultural sensitivity and significant predictor variables for future MI use. Further investigation in other schools is needed. PMID- 29200453 TI - Targeting Assessment for Learning within Pharmacy Education. AB - Formative assessment is critical for deliberate improvement, development and growth. While not entirely synonymous, assessment for learning (AFL) is an approach using formative assessment to specifically improve students' learning. While using formative assessments, AFL can also have summative programmatic assessment implications. For each learning assessment, summative and formative uses can be leveraged; it can scaffold (formative), foster students' growth (formative), and document students' development in a competency/standard (summative). For example, using a developmental portfolio with iterative reflective-writings (formative), PharmD students showed qualitative development in the "professionalism" competency (summative; ACPE Standard 4.4). (In parallel, this development in professionalism was confirmed quantitatively.) An AFL approach can complement other assessments; it can be integrated with other summative assessments into a multi-method assessment program, wherein developmental portfolio sections could be used for a few specific competencies. While AFL is not a one-size-fits-all silver bullet approach for programmatic assessment, it is one notable robust tool to employ. PMID- 29200454 TI - Misuses of Regression and ANCOVA in Educational Research. PMID- 29200455 TI - Leadership Strengths and the Future of Pharmacy. PMID- 29200456 TI - Carpe Diem! Seizing the Rise of Co-Curricular Experiences. PMID- 29200457 TI - Another American Pharmacists Month Comes to a Close. PMID- 29200458 TI - The Report of the 2016-2017 Advocacy Standing Committee. AB - Based on the growing importance of community engagement and the recognition of its importance by the American Association of Colleges of Pharmacy (AACP), the committee offers several examples of community engagement activities for consideration and replication by our academy and beyond. These activities, including those of winning institutions of the Lawrence J. Weaver Transformational Community Engagement Award, can be mapped to the core components of community engagement presented in Table 1. The committee, using an implementation readiness framework, provides the reader with insight into the challenges that may impact successful community engagement and encourages our academy to continue its work to support faculty capacity in this area. Toward that end, the committee offers a policy statement that encourages schools and colleges of pharmacy to have an office or designate a faculty member whose focus is specifically on community engagement. The committee also offers a recommendation that the core components be included in the criteria for the Weaver Award. PMID- 29200459 TI - Competency, Programming, and Emerging Innovation in Graduate Education within Schools of Pharmacy: The Report of the 2016-2017 Research and Graduate Affairs Committee. AB - Graduate education in the pharmaceutical sciences is a cornerstone of research within pharmacy schools. Pharmaceutical scientists are critical contributors to addressing the challenges of new drug discovery, delivery, and optimal care in order to ensure improved therapeutic outcomes in populations of patients. The American Association of Colleges of Pharmacy (AACP) charged the 2016-2017 Research and Graduate Affairs Committee (RGAC) to define the competencies necessary for graduate education in the pharmaceutical sciences (Charge 1), recommend collaborative curricular development across schools of pharmacy (Charge 2), recommend AACP programing for graduate education (Charge 3), and provide guidance on emerging areas for innovation in graduate education (Charge 4). With respect to Charges 1 and 2, the RGAC committee developed six domains of core competencies for graduate education in the pharmaceutical sciences as well as recommendations for shared programming. For Charge 3, the committee made 3 specific programming recommendations that include AACP sponsored regional research symposia, a professional development forum at the AACP INterim Meeting, and the addition of a graduate research and education poster session at the AACP Annual Meeting. For Charge 4, the committee recommended that AACP develop a standing committee of graduate program deans and directors to provide guidance to member schools in support of graduate program representation at AACP meetings, develop skills for interprofessional teamwork and augment research through integration of Pharm.D., Ph.D., postdoctoral associates, resident, and fellow experiences. Two proposed policy statements by the committee are that AACP believes core competencies are essential components of graduate education and AACP supports the inclusion of research and graduate education focuses in its portfolio of meetings and programs. PMID- 29200460 TI - Report of the 2016-2017 Student Affairs Standing Committee. AB - The 2016-2017 AACP Student Affairs Standing Committee addressed charges related to recruitment to the profession of pharmacy and a national awareness campaign for pharmacy careers, as well as promotion of student wellness and stress management. The Committee report provides six recommendations to the American Association of Colleges of Pharmacy (AACP) and one proposed policy statement for the AACP House of Delegates related to recruitment to the pharmacy profession. The Committee report also provides three recommendations to AACP and one proposed policy statement for the AACP House of Delegates related to student wellness and stress management. In addition, this report provides recommendations for future AACP Student Affairs Standing Committee work. PMID- 29200462 TI - Final Report of the 2016-17 Bylaws and Policy Development Committee: (Reflecting actions taken by the HOD on July 19, 2017). PMID- 29200461 TI - AACP Special Taskforce White Paper on Diversifying Our Investment in Human Capital. AB - The 2015-2017 American Association of Colleges of Pharmacy (AACP) Special Taskforce on Diversifying our Investment in Human Capital was appointed for a two year term, due to the rigors and complexities of its charges. This report serves as a white paper for academic pharmacy on diversifying our investment in human capital. The Taskforce developed and recommended a representation statement that was adapted and adopted by the AACP House of Delegates at the 2016 AACP Annual Meeting. In addition, the Taskforce developed a diversity statement for the Association that was adopted by the AACP Board of Directors in 2017. The Taskforce also provides recommendations to AACP and to academic pharmacy in this white paper. PMID- 29200463 TI - Aligning the AACP Strategic Engagement Agenda with Key Federal Priorities in Health: Report of the 2016-17 Argus Commission. AB - The Argus Commission identified three major federal priorities related to health care, including the precision medicine initiative, the Cancer Moonshot and the opioid abuse epidemic. Current activities at the federal level were summarized and an analysis of activities within the profession, and academic pharmacy specifically, was prepared. The implications for pharmacy education, research and practice are compelling in all three areas. Recommendations, suggestions and two policy statements aim to optimize the attention to these priorities by the academy. Further, aligning the AACP Strategic Engagement agenda with the opportunities and threats acknowledged in the analysis is essential. PMID- 29200464 TI - Grand Advantage: Family Wealth and Grandchildren's Educational Achievement in Sweden. AB - We study the role of family wealth for children's educational achievement using novel and unique Swedish register data. In particular, we focus on the relationship between grandparents' wealth and their grandchildren's educational achievement. Doing so allows us to reliably establish the independent role of wealth in contributing to long-term inequalities in opportunity. We use regression models with rich controls to account for observed socioeconomic characteristics of families, cousin fixed effects to net out potentially unobserved grandparental effects, and marginal structural models to account for endogenous selection. We find substantial associations between grandparents' wealth and their grandchildren's grade point averages (GPA) in the 9th grade that are only partly mediated by the socioeconomic characteristics and wealth of parents. Our findings indicate that family wealth inequality - even in a comparatively egalitarian context like Sweden - has profound consequences for the distribution of opportunity across multiple generations. We posit that our estimates of the long-term consequences of wealth inequality may be conservative for nations other than Sweden, like the United States, where family wealth - in addition to its insurance and normative functions - allows the direct purchase of educational quality and access. PMID- 29200465 TI - Lack of conformity to new local dietary preferences in migrating captive chimpanzees. AB - Conformity to the behavioural preferences of others can have powerful effects on intragroup behavioural homogeneity in humans, but evidence in animals remains minimal. In this study, we took advantage of circumstances in which individuals or pairs of captive chimpanzees, Pan troglodytes, were 'migrated' between groups, to investigate whether immigrants would conform to a new dietary population preference experienced in the group they entered, an effect suggested by recent fieldwork. Such 'migratory-minority' chimpanzees were trained to avoid one of two differently coloured foods made unpalatable, before 'migrating' to, and then observing, a 'local-majority' group consume a different food colour. Both migratory-minority and local-majority chimpanzees displayed social learning, spending significantly more time consuming the previously unpalatable, but instead now edible, food, than did control chimpanzees who did not see immigrants eat this food, nor emigrate themselves. However, following the migration of migratory-minority chimpanzees, these control individuals and the local-majority chimpanzees tended to rely primarily upon personal information, consuming first the food they had earlier learned was palatable before sampling the alternative. Thus, chimpanzees did not engage in conformity in the context we tested; instead seeing others eat a previously unpalatable food led to socially learned and adaptive re-exploration of this now-safe option in both minority and majority participants. PMID- 29200466 TI - Quantifying the expected value of uncertain management choices for over-abundant Greylag Geese. AB - In many parts of the world, conservation successes or global anthropogenic changes have led to increasing native species populations that then compete with human resource use. In the Orkney Islands, Scotland, a 60-fold increase in Greylag Goose Anser anser numbers over 24 years has led to agricultural damages and culling attempts that have failed to prevent population increase. To address uncertainty about why populations have increased, we combined empirical modelling of possible drivers of Greylag Goose population change with expert-elicited benefits of alternative management actions to identify whether to learn versus act immediately to reduce damages by geese. We built linear mixed-effects models relating annual goose densities on farms to land-use and environmental covariates and estimated AICc model weights to indicate relative support for six hypotheses of change. We elicited from experts the expected likelihood that one of six actions would achieve an objective of halting goose population growth, given each hypothesis for population change. Model weights and expected effects of actions were combined in Value of Information analysis (VoI) to quantify the utility of resolving uncertainty in each hypothesis through adaptive management and monitoring. The action with the highest expected value under existing uncertainty was to increase the extent of low quality habitats, whereas assuming equal hypothesis weights changed the best action to culling. VoI analysis showed that the value of learning to resolve uncertainty in any individual hypothesis for goose population change was low, due to high support for a single hypothesis of change. Our study demonstrates a two-step framework that learns about the most likely drivers of change for an over-abundant species, and uses this knowledge to weight the utility of alternative management actions. Our approach helps inform which strategies might best be implemented to resolve uncertainty when there are competing hypotheses for change and competing management choices. PMID- 29200468 TI - Holistic Admissions in the Health Professions: Strategies for Leaders. PMID- 29200469 TI - International Trends in Technological Progress: Evidence from Patent Citations, 1980-2011. AB - We analyse cross-country trends in several aspects of technological progress during 1980-2011 by examining the US patent citations data. Our estimation results on patent quality and citation lags relative to the US reveal the following. The emerging Asian economies of Korea, Taiwan and China have achieved substantial catch-up. In the case of Korea and Taiwan, progress has been made in both patent quality and citation lags. China has achieved improvement in patent quality but not in citation lag. In contrast, advanced economies of Europe and Japan have displayed steady decline in patent quality, while the US has strengthened its position. PMID- 29200467 TI - Examination of the validity and reliability of the French version of the Brief Self-Control Scale. AB - This study aims to develop and to validate a French version of the Brief Self Control Scale (BSCS; Tangney et al., 2004). This instrument is usually applied as a unidimensional self-report measure for assessing trait self-control, which captures one's dispositional ability to resist short-term temptation in order to reach more valuable long-term goals. Data were collected from two independent samples of French-speaking individuals (n1 = 287; n2 = 160). Results indicated that the French version of the BSCS can be treated as unidimensional, like the original questionnaire. Data also showed consistent acceptable reliability and reasonable test-retest stability. Acceptable external validity of constructs was supported by relationships with self-reported measures of impulsivity (UPPS), including urgency, lack of premeditation, and lack of perseverance. Overall, the findings suggest that the average score of the French version of the BSCS is a viable option for assessing trait self-control in French speaking populations. PMID- 29200470 TI - Market versus Residence Principle: Experimental Evidence on the Effects of a Financial Transaction Tax. AB - The effects of a financial transaction tax (FTT) are scientifically disputed, as seemingly small details of its implementation may matter a lot. In this article, we provide experimental evidence on the different effects of an FTT, depending on whether it is implemented as a tax on markets, on residents, or a combination of both. We find that a tax on markets has negative effects on volatility and trading volume, whereas a tax on residents shows none of these undesired effects. Additionally, we observe that individual risk attitude is not related to traders' reaction to the different forms of an FTT. PMID- 29200472 TI - Surveillance or Self-Surveillance? Behavioral Cues Can Increase the Rate of Drivers' Pro-Environmental Behavior at a Long Wait Stop. AB - By leaving their engines idling for long periods, drivers contribute unnecessarily to air pollution, waste fuel, and produce noise and fumes that harm the environment. Railway level crossings are sites where many cars idle, many times a day. In this research, testing two psychological theories of influence, we examine the potential to encourage drivers to switch off their ignition while waiting at rail crossings. Two field studies presented different signs at a busy rail crossing site with a 2-min average wait. Inducing public self-focus (via a "Watching Eyes" stimulus) was not effective, even when accompanied by a written behavioral instruction. Instead, cueing a private-self focus ("think of yourself") was more effective, doubling the level of behavioral compliance. These findings confirm the need to engage the self when trying to instigate self regulatory action, but that cues evoking self-surveillance may sometimes be more effective than cues that imply external surveillance. PMID- 29200471 TI - Implementing the sterile insect technique with RNA interference - a review. AB - We review RNA interference (RNAi) of insect pests and its potential for implementing sterile insect technique (SIT)-related control. The molecular mechanisms that support RNAi in pest species are reviewed in detail, drawing on literature from a range of species including Drosophila melanogaster Meigen and Homo sapiens L. The underlying genes that enable RNAi are generally conserved across taxa, although variance exists in both their form and function. RNAi represents a plausible, non-GM system for targeting populations of insects for control purposes, if RNAi effector molecules can be delivered environmentally (eRNAi). We consider studies of eRNAi from across several insect orders and review to what extent taxonomy, genetics, and differing methods of double stranded (ds) RNA synthesis and delivery can influence the efficiency of gene knockdown. Several factors, including the secondary structure of the target mRNA and the specific nucleotide sequence of dsRNA effector molecules, can affect the potency of eRNAi. However, taxonomic relationships between insects cannot be used to reliably forecast the efficiency of an eRNAi response. The mechanisms by which insects acquire dsRNA from their environment require further research, but the evidence to date suggests that endocytosis and transport channels both play key roles. Delivery of RNA molecules packaged in intermediary carriers such as bacteria or nanoparticles may facilitate their entry into and through the gut, and enable the evasion of host defence systems, such as toxic pH, that would otherwise attenuate the potential for RNAi. PMID- 29200473 TI - Effect of Premature Rupture of Membranes on Induction of Labor: A Historical Cohort Study. AB - Objective: The aim of this study was to assess the influence of premature rupture of membranes (PROM) on the induction of labor. Material and Method: This historical cohort study analyzed 1861 inductions of labor at term using misoprostol which occurred between 2010 and 2015. Exclusion criteria included intrauterine fetal death, previous cesarean section, and fetal structural or chromosomal anomalies. Induction of labor for PROM (PROM group) was compared to induction for other indications (no-PROM group); the primary outcome measure was the cesarean section rate. Results: The cesarean section rate for the PROM group was significantly lower (21.9% vs. 26.3%, p = 0.029). The induction-to-delivery interval was shorter (mean: 972 [854 - 6734] min vs. 1741 [97 - 10 834] min, p < 0.0001) and the rates of vaginal birth within 24 hours (80.9 vs. 52.0%, p = 0.0001) and 48 hours (98.4 vs. 85.3%, p = 0.0001) were higher in the PROM group. The impact of PROM on the cesarean section rate was not significant in multivariate analysis; however, PROM was found to have the greatest effect on the induction-to-delivery interval (p < 0.0001). Conclusion: Premature rupture of membranes significantly affects various outcome measures when delivery is induced, particularly the induction-to-delivery interval. PMID- 29200474 TI - Personal Preference of Mode of Delivery. What do Urogynaecologists choose? Preliminary Results of the DECISION Study. AB - Introduction: Currently, almost every third child in Germany is delivered by caesarean section. Apart from straightforward and clear indications for caesarean section which account for approx. 10%, the large proportion of relative indications in particular needs to be critically reviewed if the current C section rate is to be effectively lowered. It is more than doubtful, however, whether this can be a realistic goal in Germany, especially in the context of international developments. All studies on this topic demonstrate that the personal attitude of the obstetric team has a considerable influence on the pregnant woman's personally preferred mode of delivery. Therefore, in the first part of the DECISION study, the personal preferences of urogynaecologists were evaluated regarding the best suitable mode of delivery. Material and Methods: All 432 delegates at the 9th German Urogynaecology Congress in Stuttgart in April 2017 were invited to participate in an online questionnaire study. The questionnaire was developed especially for this study. Results: Of the 432 registered delegates, 189 (43.8%) participated in the survey. 84.7% (n = 160) of the study participants would prefer a vaginal delivery, in an otherwise uncomplicated pregnancy. Only 12.2% (n = 23) opted for an elective caesarean section. The main reasons stated for this decision were concerns about incontinence (87.5%) and pelvic floor trauma (79.2%). Amongst the study participants, 83.6% would like to be part of a risk stratification system presented in the questionnaire which, with the aid of specific parameters, is intended to allow early identification of a population with a high risk of developing pelvic floor disorders. There was also great interest in postpartum pelvic floor recovery (97.8%) and an associated optional pessary therapy (64.4%). The type of delivery already experienced (vaginal delivery vs. primary caesarean section) and parity also reveals to have a significant influence on the personal preferred mode of delivery as well. Conclusions: Urogynaecologists prefer vaginal delivery for themselves. There is a great interest to participate in a risk stratification process in order to approach childbirth in an individualized and risk-adapted manner. PMID- 29200475 TI - Pregnancy Outcomes in Maternal Neuropsychiatric Illness and Substance Abuse. AB - Introduction: Worldwide the prevalence of neuropsychiatric illness among women of reproductive age is higher than ever before. This study investigates the influences of maternal substance abuse/dependence and neuropsychiatric illness on pregnancy and neonatal outcomes. Patients and Methods: Using a retrospective study design 185 pregnancies in women with neuropsychiatric illnesses or substance abuse were identified at a single centre over a period of 3.25 years and compared to 4907 pregnancies in healthy women without mental illness. Differences in pre-, peri- and postnatal pregnancy parameters were studied. Results: Numbers of previous abortions on obstetric history were significantly higher in cases compared to controls, women with depression being especially affected. The number of antenatal visits was also higher among cases, especially in women with depression. The caesarean section rate was significantly higher in cases compared to controls. Children of women with neuropsychiatric illness were born at lower gestational ages than those of healthy control mothers, however there were no significant differences between case and control groups for birth weight, head circumference or Apgar scores. Some isolated differences were found for disease-specific case subgroups compared to controls. Conclusion: The study shows a relationship between maternal neuropsychiatric illness and pregnancy outcomes independent of medication use. Rates of spontaneous abortion were higher. Children were born earlier, yet the neonatal outcomes birth weight, head circumference and Apgar score were not worse than children of mentally healthy women. PMID- 29200476 TI - Outcome of Cesarean Myomectomy: Is it a Safe Procedure? AB - Objective: Myomectomy performed during cesarean section is still controversial because of the potential for associated complications, especially with large myomas. Many obstetricians avoid performing cesarean myomectomy procedures because of the risk of uncontrollable hemorrhage. However, the prevalence of pregnant women with myomas is increasing, leading to an increase in the likelihood that physicians will encounter this issue. The aim of this study was to compare outcomes and complications of patients who either had or did not have cesarean myomectomy. Method: A total of 361 patients were evaluated in this retrospective study. Patients who had cesarean section with myomectomy and patients had cesarean section without myomectomy were compared with regard to demographics, drop in hemoglobin levels, complications, blood transfusion rates and duration of operation. These parameters were also compared when the diameter of the myoma was larger than 5 cm. Values of p < 0.01 and p < 0.05 were considered statistically significant. Results: While maternal age and gravidity were similar in both groups (p > 0.05), the mean myoma diameter was smaller and the duration of operation was longer in the group who underwent cesarean myomectomy (p < 0.05). The reduction in hemoglobin level, rate of complications, and number of transfusions were similar in both groups (p > 0.05). Conclusion: This study shows that myomectomy during cesarean section does not increase complications or transfusion rates and appears to be a safe procedure. PMID- 29200478 TI - Submission to Publication Demystified: A Guide for Authors. PMID- 29200477 TI - Evolutionary algorithm optimization of biological learning parameters in a biomimetic neuroprosthesis. AB - Biomimetic simulation permits neuroscientists to better understand the complex neuronal dynamics of the brain. Embedding a biomimetic simulation in a closed loop neuroprosthesis, which can read and write signals from the brain, will permit applications for amelioration of motor, psychiatric, and memory-related brain disorders. Biomimetic neuroprostheses require real-time adaptation to changes in the external environment, thus constituting an example of a dynamic data-driven application system. As model fidelity increases, so does the number of parameters and the complexity of finding appropriate parameter configurations. Instead of adapting synaptic weights via machine learning, we employed major biological learning methods: spike-timing dependent plasticity and reinforcement learning. We optimized the learning metaparameters using evolutionary algorithms, which were implemented in parallel and which used an island model approach to obtain sufficient speed. We employed these methods to train a cortical spiking model to utilize macaque brain activity, indicating a selected target, to drive a virtual musculoskeletal arm with realistic anatomical and biomechanical properties to reach to that target. The optimized system was able to reproduce macaque data from a comparable experimental motor task. These techniques can be used to efficiently tune the parameters of multiscale systems, linking realistic neuronal dynamics to behavior, and thus providing a useful tool for neuroscience and neuroprosthetics. PMID- 29200480 TI - STITCHLESS Percutaneous Endoscopic Cervical Discectomy: Are We Moving Towards Day Care Discectomy Procedure? AB - Background: STITCHLESS percutaneous endoscopic cervical discectomy s[PECD] is safe, precise, targeted, and a complete endoscopic procedure to treat soft cervical disc herniation with unilateral radiculopathy. It allows direct visualization of herniated fragment and its removal, inspection of decompressed nerve root in an awake and aware patient. It reduces the risk related to general anesthesia and to the neurological structures. However, all the patients treated with PECD can be candidates for anterior cervical discectomy and fusion (ACDF). ACDF requires a longer period of stay, expense, and more risk to neurological structures and ultimately loss of the disc space by fusion. Materials and Methods: Twenty consecutively treated patients by sPECD over a period of 2 years with soft cervical disc herniation and unilateral radiculopathy were included in the study. PECD enables removal of offending fragment under vision and irrigation and ablation of inflammation with few complications. All patients were followed for minimum of 6 months with visual analog score (VAS) and neck disability index (NDI). Results: All treated patients had a good outcome in terms of pain relief (VAS) and functional recovery (NDI). One patient had episodes of cough lying in the supine position and another patient had transient hoarseness of voice, (both recovered). Conclusion: Potential benefits of sPECD include safety as it is done under local anesthesia, smaller incision, short hospitalization, fewer complications, avoidance of fusion, preservation of segmental motion, preventing the adjacent segment degeneration, and avoidance of the risk related to the hardware (nonunion and pseudarthrosis). sPECD is an effective treatment modality for soft cervical disc herniation. PMID- 29200479 TI - Management of Sub-axial Cervical Spine Injuries. AB - Sub-axial cervical spine injuries are commonly seen in patients with blunt trauma. They may be associated with spinal cord injury resulting in tetraplegia and severe permanent disability. Immobilization of the neck, maintenance of blood pressure and oxygenation, rapid clinical and radiological assessment of all injuries, and realignment of the spinal column are the key steps in the emergency management of these injuries. The role of intravenous methylprednisolone administration in acute spinal cord injuries remains controversial. The definitive management of these injuries is based upon recognition of the fracture pattern, assessment of the degree of instability, the presence or absence of neurologic deficit, and other patient related factors that may influence the outcome. Nonoperative treatment comprises of some form of external immobilization for 8 to 12 weeks, followed by imaging to assess fracture healing, and to rule out instability. The goals of surgery are realignment of the vertebral column, decompression of the neural elements and instrumented stabilization. PMID- 29200481 TI - Cervical Laminectomy with Lateral Mass Screw Fixation in Cervical Spondylotic Myelopathy: Neurological and Sagittal Alignment Outcome: Do We Need Lateral Mass Screws at each Segment? AB - Background: Anterior cervical decompression and fusion is the standard procedure used for treating patients with cervical myelopathy. However, these procedures are associated with complications such as pseudarthrosis, construct failure, and neurological complications. Posterior cervical laminectomy and instrumentation is an alternative procedure to treat multilevel cervical myelopathy. In this study, we raised questions whether instrumentation is required at all levels and whether stabilizing the spine in neutral or lordotic contour with indirect decompression leads to neurological improvement with radiological evidence of anterior decompression. The results of posterior cervical laminectomy and instrumentation with lateral mass screw in terms of radiological and functional outcome in patients with multilevel cervical myelopathy are prospectively evaluated. Materials and Methods: In this prospective study conducted between June 2006 and December 2015, we have evaluated 112 patients with multilevel cervical myelopathy who underwent multilevel cervical laminectomy and instrumentation with lateral mass screw. All patients were evaluated preoperatively and postoperatively with Nurick's grading and Modified Japanese Orthopaedic Association (mJOA) scale for neurological function. Cooper scale and British Medical Research Council grading system for motor function. Curvature index was used to measure the alignment of cervical spine preoperatively and postoperatively. Alignment of the cervical spine was done preoperatively and postoperatively by calculating the curvature index. Axial MRI was used to calculate the severity of compression preoperatively which was calculated as per Singh's criteria and postoperatively to assess the adequacy of decompression at the operated level. Results: In our study, there were 112 patients including 99 males and 13 females, with mean age of 59.53 years. The mean duration of followup of patients was 33.24 months. In total, cervical laminectomy was performed at 342 levels in 112 patients with an average of 3.05 laminectomies, and in total, 112 lateral mass screws were inserted. On postoperative followup, the mJOA and Nurick's grading showed improvement in all cases as compared to preoperative findings. The mean mJOA improved significantly from 8.56 preoperatively to 13.57 postoperatively (P < 0.001). The mean Nurick's grading also improved significantly from 2.59 preoperatively to 0.66 postoperatively (P < 0.001). The mean Cooper scale also showed significant improvement in both upper and lower limbs postoperatively (P < 0.001). The mean preoperative Cooper scale was 1.75 and postoperative was 0.31 for upper limbs, and the mean Cooper scale was 2.14 preoperatively and 0.56 postoperatively for lower limbs. X-rays done on routine followups showed good alignment of the cervical spine with maintenance of curvature index in all patients. The mean grade of compression as seen on preoperative MRI was 2.46 which reduced significantly postoperatively to 0.16 (P < 0.001). Conclusion: The multilevel cervical laminectomy and instrumentation with lateral mass screw for multilevel cervical myelopathy is a safe technique that provides decompression of the spinal cord, prevents the development of kyphotic spinal deformity and posterior tension band of the spinal cord as associated with laminoplasty or uninstrumented laminectomy. PMID- 29200482 TI - Computer Simulation of Two-level Pedicle Subtraction Osteotomy for Severe Thoracolumbar Kyphosis in Ankylosing Spondylitis. AB - Background: Advanced ankylosing spondylitis is often associated with thoracolumbar kyphosis, resulting in an abnormal spinopelvic balance and pelvic morphology. Different osteotomy techniques have been used to correct AS deformities, unfortunnaly, not all AS patients can gain spinal sagittal balance and good horizontal vision after osteotomy. Materials and Methods: Fourteen consecutive AS patients with severe thoracolumbar kyphosis who were treated with two-level PSO were studied retrospectively. All were male with a mean age of 34.9 +/- 9.6 years. The followup ranged from 1-5 years. Preoperative computer simulations using the Surgimap Spinal software were performed for all patients, and the osteotomy level and angle determined from the computer simulation were used surgically. Spinal sagittal parameters were measured preoperatively, after the computer simulation, and postoperatively and included thoracic kyphosis (TK), lumbar lordosis (LL), sagittal vertical axis (SVA), pelvic incidence, pelvic tilt (PT), and sacral slope (SS). The level of correlation between the computer simulation and postoperative parameters was evaluated, and the differences between preoperative and postoperative parameters were compared. The visual analog scale (VAS) for back pain and clinical outcome was also assessed. Results: Six cases underwent PSO at L1 and L3, five cases at L2 and T12, and three cases at L3 and T12. TK was corrected from 57.8 +/- 15.2 degrees preoperatively to 45.3 +/- 7.7 degrees postoperatively (P < 0.05), LL from 9.3 +/- 17.5 degrees to -52.3 +/- 3.9 degrees (P < 0.001), SVA from 154.5 +/- 36.7 to 37.8 +/- 8.4 mm (P < 0.001), PT from 43.3 +/- 6.1 degrees to 18.0 +/- 0.9 degrees (P < 0.001), and SS from 0.8 +/- 7.0 degrees to 26.5 +/- 10.6 degrees (P < 0.001). The LL, VAS, and PT of the simulated two-level PSO were highly consistent with, or almost the same as, the postoperative parameters. The correlations between the computer simulations and postoperative parameters were significant. The VAS decreased significantly from 6.1 +/- 1.9 to 2.0 +/- 1.1 (P < 0.001). In terms of clinical outcome, 10 cases were graded "excellent" and 4 cases were graded "good." Conclusion: Two-level PSO using a preoperative computer simulation is a feasible, safe, and effective technique for the treatment of severe thoracolumbar kyphosis in AS patients with normal cervical motion. PMID- 29200483 TI - Biomechanical Analysis of Range of Motion and Failure Characteristics of Osteoporotic Spinal Compression Fractures in Human Cadaver. AB - Background: Vertebroplasty is a treatment for osteoporotic vertebral compression fractures. The optimal location of needle placement for cement injection remains a topic of debate. As such, the authors assessed the effects of location of two types of cement instillations. In addition, the motion and failure modes at the index and adjacent segments were measured. Materials and Methods: Seven human osteoporotic cadaver spines (T1-L4), cut into four consecutive vertebral segments, were utilized. Of these, following the exclusion of four specimens not suitable to utilize for analysis, a total of 24 specimens were evaluable. Segments were randomly assigned into four treatment groups: unipedicular and bipedicular injections into the superior quartile or the anatomic center of the vertebra using confidence (Confidence Spinal Cement System(r), DePuy Spine, Raynham, MA, USA) or polymethyl methacrylate. The specimens were subjected to nondestructive pure moments of 5 Nm, in 2.5 Nm increments, using pulleys and weights to simulate six degrees of physiological motion. A follower preload of 200 N was applied in flexion extension. Testing sequence: range of motion (ROM) of intact specimen, fracture creation, cement injection, ROM after cement, and compression testing until failure. Nonconstrained motion was measured at the index and adjacent levels. Results: At the index level, no significant differences were observed in ROM in all treatment groups (P > 0.05). There was a significant increase in adjacent level motion only for the treatment group that received a unipedicular cement injection at the anatomic center. Conclusion: The location of the needle (superior or central) and treatment type (unipedicular or bipedicular) had no significant effect on the ROM at the index site. At the adjacent levels, a significant increase occurred with therapy through a unipedicular approach into the centrum of the vertebra at the treated segment. PMID- 29200484 TI - Treatment of Femoroacetabular Impingement with a Mini-open Direct Anterior Approach. AB - Background: The opinion about best methods of femoroacetabular impingement (FAI) treatment are not consistent. Operative treatment of this condition may be arthroscopic, but open procedures with osteotomy of the greater trochanter and hip dislocation has been used. The present study evaluates the benefits of the mini-open direct anterior approach (DAA) in treating patients with FAI, with is a procedure available for most orthopedic surgeons. Materials and Methods: 39 patients treated for FAI (25 men and 14 women) at an average age of 29.3 years (range 18-46 years) were reviewed in this retrospective study. The mean followup was 45 months, (range 24-55 months). The hip impingement test was positive in all patients. The diagnosis of FAI was confirmed on anteroposterior and lateral hip view radiographs. All patients were operated with mini-open DAA. The outcomes were assessed with the Harris Hip Score, Short-Form 36 Health Survey and VAS score. Preoperative osteoarthritis was assessed according to Tonnis score. Results: At the final followup, improvement was noted compared to preoperative status in Harris Hip Score (P < 0.00001), visual analog scale score (P < 0.001), and Short-Form-36 score (P < 0.001). Nineteen patients returned to their previous sports activities. No major complications occurred. One patient developed heterotopic ossification and three patients developed temporary postoperative meralgia paresthetica. Five patients from the treatment group required total hip arthroplasty for severe osteoarthritis. Conclusions: Mini-open DAA is a safe and effective procedure for the treatment of FAI that gives good relief of symptoms and allows a successful return to preoperative activity levels. Further research with a longer followup period is needed to evaluate the influence of surgery on natural history of FAI. PMID- 29200485 TI - Clinical Outcomes of an Initial 3-month Trial of Conservative Treatment for Femoroacetabular Impingement. AB - Background: Femoroacetabular impingement (FAI) can be managed either conservatively or by a surgical correction of the deformity causing impingement. However, there is insufficient evidence to justify an immediate surgical treatment in all symptomatic patients, and the role of a nonoperative treatment is unclear. This study evaluates the role of conservative treatment for FAI. Materials and Methods: 87 patients (102 hips) diagnosed as FAI between January 2011 and May 2012 were included in this retrospective study. All patients underwent an initial 3-month conservative treatment followed by arthroscopic hip surgery if symptoms did not improve. Clinical outcome scores (modified Harris Hip Score, nonarthritic hip score, and Western Ontario and McMaster Universities Arthritis Index) were evaluated at baseline and at the end of followup, and scores were compared between the nonsurgical and surgical groups. Results: The final analysis included 83 patients (55 men, 28 women; 97 hips) because four patients were lost to followup. The average age was 45.1 years and 14 patients had bilateral symptomatic FAI. After an initial conservative treatment averaging 27.5 months (range 24-36 months), 53 hips (54.6%) could perform normal daily activities. The nonsurgical group had significant improvements in all clinical scores at the end of followup (P < 0.001). Forty four hips (45.4%) were unresponsive to conservative treatment and underwent arthroscopic hip surgery with subsequent significant improvements in clinical scores (P < 0.001). At the end of followup, there were no significant differences in clinical scores between the two groups. Conclusion: An initial trial of conservative treatment of sufficient length should be considered for FAI patients before surgical intervention. PMID- 29200486 TI - A Minimally Invasive Technique Using a Modified Stoppa Approach for Periacetabular Osteotomy: A Preliminary Cadaveric Study. AB - Background: Developmental hip dysplasia is diagnosed when the femoral head is not sufficiently covered by the acetabulum. Anterior and lateral cover deficiency is seen, as a result a dysplastic hip joint. Various incision modifications have been developed because of the muscle dissection and wide wound scar in Smith Peterson incision, which was originally used in Bernese osteotomy. This study evaluates applicability of the modified Stoppa approach in the performance of Bernese periacetabular osteotomy (PAO). Materials and Methods: Ten hemipelvises of five donor cadavers were used. The transverse Stoppa incision was made 2 cm over the symphysis pubis for quadrilateral surface exposure and pubic and ischial bone osteotomies. The second skin incision, a few centimeters lateral to the original incision, was made along the tensor fascia lata. Iliac bone osteotomy was performed starting just above the rectus femoris insertion. The displacement of the osteotomy was measured clinically and radiographically. Results: The mean anterior coverage calculated with center-edge angle was improved from 22.8 degrees +/-2.8 (range 20 degrees min-28 degrees max) preoperatively to 44.1 degrees +/- 3.7 (range 36 degrees min-48 degrees max). The displacement of the osteotomy at the iliopectineal line calculated on the iliac inlet view radiographs was 22.1 +/- 3.4 mm (range 15 mm min-26 mm max). The clinical amount of the anterior displacement on the cadavers was 17.8 +/- 3.35 mm (range 11 mm-21 mm) and lateral displacement was 20.3 +/- 3.23 mm (range 15 mm-24 mm). The amount of the posterior intact bone enlargement at the quadrilateral surface was 5.3 +/- 0.48 mm. Conclusion: This less traumatic two-incision exposure is an adequate technique for Bernese PAO, allowing the bone to be cut under direct visual observation and reducing the need to use fluoroscopy. PMID- 29200487 TI - Morton's Neuroma (Interdigital Neuralgia) Treated with Metatarsal Sliding Osteotomy. AB - Background: Morton's neuroma is a common cause of metatarsalgia and many treatments had been described in literature. However, there have been only a few reports that treat the neuroma with an osteotomy on the proximal, not distal portion of the metatarsal bone using a plate. This study describes the clinical outcome of sliding osteotomy on the proximal metatarsal bone for the treatment of Morton's neuroma. Materials and Methods: Sixty five consecutive patients (85 feet) who underwent surgery for Morton's neuroma between November 2010 and February 2013 were identified from hospital records to include in this retrospective study. Average followup period was 37.3 months (range 24-51 months). Mean patient age at surgery was 50.2 years (range 23-75 years). Metatarsal sliding osteotomies were only performed on the third metatarsal bone. Clinical evaluations with the American Orthopaedic Foot and Ankle Society Lesser Metatarsophalangeal Interphalangeal Scale (AOFAS LMIS) and Foot Function Index (FFI) were performed. The length of the lesser toe was measured for radiologic evaluation. Results: Postoperatively, AOFAS LMIS and FFI were improved from 52.1 (range 45-60) and 62.4 (range 54-73) to 74.2 (range 68-86) and 31.3 (range 26 37). At the last followup, preoperative pain was dissolved in 79 feet (93% of overall 85 feet). A shortened 3.2 mm (+/-1.1) metatarsal bone following osteotomy was radiographically measured. There were six cases of complications (soft tissue infection, early numbness, delayed union, limitation of dorsiflexion and metal failure, etc.). Conclusions: This proximal metatarsal sliding osteotomy can be a relatively effective operative method in relieving pain from Morton's neuroma. PMID- 29200488 TI - A Newly Designed Intramedullary Nail for the Treatment of Diaphyseal Forearm Fractures in Adults. AB - Background: The treatment of diaphyseal forearm fractures using open reduction and plate fixation is generally accepted as the best choice in many studies. However, periosteal stripping, haematoma evacuation may result in delayed union, nonunion and infection. Refracture after plate removal is another concern. To overcome these problems intramedullary nails (IM) with different designs have been used with various outcomes. However previous IM nails have some shortcomings such is rotational instability and interlocking difficulties. We evaluated the results of newly designed IM nail in the treatment of diaphyseal forearm fractures in adults. Materials and Methods: 32 patients who had been treated with the interlocking IM nail for forearm fractures between 2011 and 2014 were included in this study. There were 23 males and 9 females with mean age of 36 years (range 18-68 years). 22 patients (68.8%) had both bone fractures. Nine patients (28.1%) had open fractures. The remaining ten patients (31.2%) had radius or ulna fractures. Grace and Eversmann rating system was used to assess functional evaluation. Patient reported outcomes were assessed using the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire scores. Results: Union was achieved in all patients. The mean followup was 17 months (range 13 - 28 months). According to the Grace-Eversmann criteria, 27 patients (87.5%) had excellent or good results. The mean DASH score was 14 (range 5-36). Overall complication rate was 12.5%. Superficial infection was encountered in two patients. One patient had delayed union, however fracture healed without any additional surgical procedure. One patient who had open grade 3A, comminuted proximal third radius fracture developed radioulnar synostosis. Conclusions: The new design IM interlocking forearm nail provides satisfactory functional and radiological outcomes in the treatment of adult diaphyseal forearm fractures. PMID- 29200489 TI - Flexion Deformities of the Wrist and Fingers in Spastic Cerebral Palsy: A Protocol of Management. AB - Background: Literature is confusing regarding grading and treatment of flexion deformities of wrist and fingers in spastic cerebral palsy (CP). The most established classification is that described by Zancolli; unfortunately, it has its shortcomings which we experienced in the beginning of our approach to manage this rather difficult deformity. We thus modified Zancolli's classification and developed a classification system and treatment protocol. Materials and Methods: Thirty patients with spastic CP were operated upon due to flexion deformity of the wrist and fingers and were included in this study. Age ranged from 4 to 14 years, average 7 years. There were twenty boys and ten girls. Results: The average followup was 18 months (range 9 months - 3 years). The power of wrist dorsiflexion, the "House's classification of upper extremity functional use" and the clinical assessment of hand function were used for evaluation; they improved in all patients and this improvement was statistically significant. In all patients, cosmetic appearance improved without any residual flexion deformity. Conclusion: This study introduces a new grading system for flexion deformity of wrist and fingers in spastic CP that correlates with severity of the condition and allows a treatment protocol to be established. PMID- 29200490 TI - Management of Nail Bed Injuries Associated with Fingertip Injuries. AB - Background: Management of nail injuries can often be a challenging experience, especially in presence of complex fingertips' injuries that include soft tissue loss and distal phalanx injury. Most studies found in the literature focus on individual injuries and describe methods to tackle those injuries, notwithstanding the fact that the nail, nailbed, distal phalanx, soft tissue and skin of the finger tip form a complex and often more than one element of this complex is injured. This retrospective study therefore focuses on the management of nail bed injuries as a part of the complex finger tip injury and outlines the surgical principles and techniques that were used in their management. Materials and Methods: Two hundred and forty patients from a tertiary care center in different clinical settings where a wide variety of cases involving the nail bed injuries were included in this study. Patients comprised of 192 (80%) males and 48 (20%) females with the average male age of 37.3 years (range 1-66 years) and average female age of 29 years (range 1-59 years). 210 patients had single finger involment, 30 patients had two finger involvement (total fingers involved- 270). The middle finger was most commonly involved while the index finger was the second most commonest finger involved. In 198 (89.18%) patients local anaesthesia was used while in the rest: regional blocks [n = 10 (4.5%)] and general anaesthesia [n = 14 (6.3%)] were used. Results: In this retrospective study, out of the total of two hundred and forty patients, 222 (92.5%) patients underwent surgery, while the rest 18 (7.5%) were treated conservatively. Two hundred and ten patients who underwent surgery had complete healing over the course of treatment and followup, while four patients needed secondary interventional. Eight patients who had surgery were migrant workers were lost to follow up after surgery. Eight patients had postoperative complications that included infection, secondary necrosis, wound breakdown and non healing fractures. Conclusion: Accurate and timely diagnosis of nail bed injury and its meticulous repair is cardinal to the management of any nail bed injury. However all nail bed injuries must be seen in the context of associated injuries of the finger tip complex, namely skin, soft tissue and distal phalanx injuries. Fixation of associated bony injury which closely underlines the nail bed and provides physical support to the nail bed along with correction of soft tissue injuries in the form of flaps or grafts, compounded by the repair or replacement of nail plate in the first 24 hours. PMID- 29200491 TI - Metallosis: A Complication in the Guided Growing Rod System Used in Treatment of Scoliosis. AB - Soft tissue reaction following metallic debris formation with the use of guided growing rod system has not been previously reported in human. The purpose of this study is to report complications caused by metallosis in a guided growing rod system. A 9-year-old female patient, who underwent treatment for the progressive idiopathic scoliosis (with Cobb's angle of 71 degrees ) with the guided growing rod system. Her Cobb's angle was corrected to 13 degrees with the index surgery. During the 5 years postoperative period, she manifested recurrent episodes of skin irritation and progressive worsening of lateral curvature of the spine to an angle of 57 degrees . Furthermore, at her final followup, Risser stage 4 with a gain in height of 26.4 cm was achieved. Considering adequate growth attainment and deterioration in the curvature, revision surgery with fusion was performed. Postoperative Cobb's angle of 23 degrees was achieved with the final correction. During the revisional surgery, signs of implant wear and metallosis were observed at the location of the unconstrained screws. On histological evaluation, chronic inflammation with foreign body granules was seen. However, titanium level in the body was within normal range. She was discharged without any complications. More research on implant wear as a complication in the guided growing rod system is necessary before its widespread use. The occurrence of metallosis with the use of guided growing rod system in growing young children should be considered, when designing the implants. PMID- 29200492 TI - Effective Medical Writing: How to Write a Case Report Which Editors Would Publish. PMID- 29200493 TI - Author's Reply. PMID- 29200494 TI - Legends of Indian Orthopedics: Dr. Brij Bhushan Joshi. PMID- 29200495 TI - Erratum: Current Concepts in Sports Injury Rehabilitation. AB - [This corrects the article on p. 529 in vol. 51, PMID: 28966376.]. PMID- 29200496 TI - A national-scale model of linear features improves predictions of farmland biodiversity. AB - Modelling species distribution and abundance is important for many conservation applications, but it is typically performed using relatively coarse-scale environmental variables such as the area of broad land-cover types. Fine-scale environmental data capturing the most biologically relevant variables have the potential to improve these models. For example, field studies have demonstrated the importance of linear features, such as hedgerows, for multiple taxa, but the absence of large-scale datasets of their extent prevents their inclusion in large scale modelling studies.We assessed whether a novel spatial dataset mapping linear and woody-linear features across the UK improves the performance of abundance models of 18 bird and 24 butterfly species across 3723 and 1547 UK monitoring sites, respectively.Although improvements in explanatory power were small, the inclusion of linear features data significantly improved model predictive performance for many species. For some species, the importance of linear features depended on landscape context, with greater importance in agricultural areas. Synthesis and applications. This study demonstrates that a national-scale model of the extent and distribution of linear features improves predictions of farmland biodiversity. The ability to model spatial variability in the role of linear features such as hedgerows will be important in targeting agri environment schemes to maximally deliver biodiversity benefits. Although this study focuses on farmland, data on the extent of different linear features are likely to improve species distribution and abundance models in a wide range of systems and also can potentially be used to assess habitat connectivity. PMID- 29200497 TI - Sweat bees on hot chillies: provision of pollination services by native bees in traditional slash-and-burn agriculture in the Yucatan Peninsula of tropical Mexico. AB - Traditional tropical agriculture often entails a form of slash-and-burn land management that may adversely affect ecosystem services such as pollination, which are required for successful crop yields. The Yucatan Peninsula of Mexico has a >4000 year history of traditional slash-and-burn agriculture, termed 'milpa'. Hot 'Habanero' chilli is a major pollinator-dependent crop that nowadays is often grown in monoculture within the milpa system.We studied 37 local farmers' chilli fields (sites) to evaluate the effects of landscape composition on bee communities. At 11 of these sites, we undertook experimental pollination treatments to quantify the pollination of chilli. We further explored the relationships between landscape composition, bee communities and pollination service provision to chilli.Bee species richness, particularly species of the family Apidae, was positively related to the amount of forest cover. Species diversity decreased with increasing proportion of crop land surrounding each sampling site. Sweat bees of the genus Lasioglossum were the most abundant bee taxon in chilli fields and, in contrast to other bee species, increased in abundance with the proportion of fallow land, gardens and pastures which are an integral part of the milpa system.There was an average pollination shortfall of 21% for chilli across all sites; yet the shortfall was unrelated to the proportion of land covered by crops. Rather, chilli pollination was positively related to the abundance of Lasioglossum bees, probably an important pollinator of chilli, as well indirectly to the proportion of fallow land, gardens and pastures that promote Lasioglossum abundance. Synthesis and applications. Current, low-intensity traditional slash-and-burn (milpa) agriculture provides Lasioglossum spp. pollinators for successful chilli production; fallow land, gardens and pasture therefore need to be valued as important habitats for these and related ground-nesting bee species. However, the negative impact of agriculture on total bee species diversity highlights how agricultural intensification is likely to reduce pollination services to crops, including chilli. Indeed, natural forest cover is vital in tropical Yucatan to maintain a rich assemblage of bee species and the provision of pollination services for diverse crops and wild flowers. PMID- 29200498 TI - A Teaching Experiment to Elucidate a Cation-pi Effect in an Alkyne Cycloaddition Reaction and Illustrate Hypothesis Driven Design of Experiments. AB - An organic chemistry experiment is described that is based on recent research to elucidate a novel cation-pi interaction between tetraalkammonium cations and propargyl hydrazines. This non-bonded interaction is a key component of the mechanism of ammonium-catalyzed intramolecular cycloaddition of nitrogen to the terminal carbon of a C-C triple bond of the propargyl substrate. In this teaching experiment, reactions and control experiments are employed to demonstrate the testing of two alternative mechanistic hypotheses. Specifically, cyclization reactions are performed with a soluble base (sodium phenoxide) with and without tetrabutylammonium bromide under homogeneous conditions. Students observe that the added ammonium salt accelerates the reaction. They are then encouraged to develop a testable hypothesis for the role of the ammonium salt in the cyclization mechanism: typical phase transfer or other. IR spectroscopy is then used to directly observe a dose dependent shift of the alkyne stretching mode due to a cation-pi interaction. In this experiment, undergraduate "researchers" were able to practice the scientific method on a contemporary system and see how data are generated and interpreted to adjudicate between rival hypotheses in a way that emulates authentic and current research in a lab setting. This experimental design was tested on students enrolled in the introductory undergraduate Organic Chemistry Lab. PMID- 29200499 TI - Coarse-graining and hybrid methods for efficient simulation of stochastic multi scale models of tumour growth. AB - The development of hybrid methodologies is of current interest in both multi scale modelling and stochastic reaction-diffusion systems regarding their applications to biology. We formulate a hybrid method for stochastic multi-scale models of cells populations that extends the remit of existing hybrid methods for reaction-diffusion systems. Such method is developed for a stochastic multi-scale model of tumour growth, i.e. population-dynamical models which account for the effects of intrinsic noise affecting both the number of cells and the intracellular dynamics. In order to formulate this method, we develop a coarse grained approximation for both the full stochastic model and its mean-field limit. Such approximation involves averaging out the age-structure (which accounts for the multi-scale nature of the model) by assuming that the age distribution of the population settles onto equilibrium very fast. We then couple the coarse-grained mean-field model to the full stochastic multi-scale model. By doing so, within the mean-field region, we are neglecting noise in both cell numbers (population) and their birth rates (structure). This implies that, in addition to the issues that arise in stochastic-reaction diffusion systems, we need to account for the age-structure of the population when attempting to couple both descriptions. We exploit our coarse-graining model so that, within the mean field region, the age-distribution is in equilibrium and we know its explicit form. This allows us to couple both domains consistently, as upon transference of cells from the mean-field to the stochastic region, we sample the equilibrium age distribution. Furthermore, our method allows us to investigate the effects of intracellular noise, i.e. fluctuations of the birth rate, on collective properties such as travelling wave velocity. We show that the combination of population and birth-rate noise gives rise to large fluctuations of the birth rate in the region at the leading edge of front, which cannot be accounted for by the coarse-grained model. Such fluctuations have non-trivial effects on the wave velocity. Beyond the development of a new hybrid method, we thus conclude that birth-rate fluctuations are central to a quantitatively accurate description of invasive phenomena such as tumour growth. PMID- 29200500 TI - Expansion of deciduous tall shrubs but not evergreen dwarf shrubs inhibited by reindeer in Scandes mountain range. AB - One of the most palpable effects of warming in Arctic ecosystems is shrub expansion above the tree line. However, previous studies have found that reindeer can influence plant community responses to warming and inhibit shrubification of the tundra.We revisited grazed (ambient) and ungrazed study plots (exclosures), at the southern as well as the northern limits of the Swedish alpine region, to study long-term grazing effects and vegetation changes in response to increasing temperatures between 1995 and 2011, in two vegetation types (shrub heath and mountain birch forest).In the field layer at the shrub heath sites, evergreen dwarf shrubs had increased in cover from 26% to 49% but were unaffected by grazing. Deciduous dwarf and tall shrubs also showed significant, though smaller, increases over time. At the birch forest sites, the increase was similar for evergreen dwarf shrubs (20-48%) but deciduous tall shrubs did not show the same consistent increase over time as in the shrub heath.The cover and height of the shrub layer were significantly greater in exclosures at the shrub heath sites, but no significant treatment effects were found on species richness or diversity.July soil temperatures and growing season thawing degree days (TDD) were higher in exclosures at all but one site, and there was a significant negative correlation between mean shrub layer height and soil TDD at the shrub heath sites. Synthesis. This study shows that shrub expansion is occurring rapidly in the Scandes mountain range, both above and below the tree line. Tall, deciduous shrubs had benefitted significantly from grazing exclosure, both in terms of cover and height, which in turn lowered summer soil temperatures. However, the overriding vegetation shift across our sites was the striking increase in evergreen dwarf shrubs, which were not influenced by grazing. As the effects of an increase in evergreen dwarf shrubs and more recalcitrant plant litter may to some degree counteract some of the effects of an increase in deciduous tall shrubs, herbivore influence on shrub interactions is potentially of great importance for shaping arctic shrub expansion and its associated ecosystem effects. PMID- 29200501 TI - A tutorial on bridge sampling. AB - The marginal likelihood plays an important role in many areas of Bayesian statistics such as parameter estimation, model comparison, and model averaging. In most applications, however, the marginal likelihood is not analytically tractable and must be approximated using numerical methods. Here we provide a tutorial on bridge sampling (Bennett, 1976; Meng & Wong, 1996), a reliable and relatively straightforward sampling method that allows researchers to obtain the marginal likelihood for models of varying complexity. First, we introduce bridge sampling and three related sampling methods using the beta-binomial model as a running example. We then apply bridge sampling to estimate the marginal likelihood for the Expectancy Valence (EV) model-a popular model for reinforcement learning. Our results indicate that bridge sampling provides accurate estimates for both a single participant and a hierarchical version of the EV model. We conclude that bridge sampling is an attractive method for mathematical psychologists who typically aim to approximate the marginal likelihood for a limited set of possibly high-dimensional models. PMID- 29200502 TI - Lateral flow assay for carbohydrate antigen 19-9 in whole blood by using magnetized carbon nanotubes. AB - The authors describe a rapid, low-cost and sensitive approach for the determination of carbohydrate antigen 19-9 (CA 19-9) in whole blood by using magnetized carbon nanotube (MCNT) and lateral flow strip biosensor (LFSB). MCNTs were synthesized by depositing magnetite (Fe3O4) nanoparticles on multiwalled carbon nanotube (CNT) via co-precipitation of ferric and ferrous ions within a dispersion of shortened multiwalled CNTs. Antibody against CA 19-9 (Ab1) was covalently immobilized on the MCNTs and were used to capture CA 19-9 in blood. After magnetic separation, the formed MCNT-Ab1-CA 19-9 complexes are applied to the LFSB, in which a capture antibody (Ab2) and a secondary antibody (Ab3) are immobilized on the test zone and control zone of the LFSB, respectively. The captured MCNTs on the test zone and control zone are producing characteristic brown bands, and this enables CA 19-9 to be visually detected. Quantitation is accomplished by reading the intensities of the bands with a portable strip reader. Under optimized conditions, the assay has a detection limit as low as 30 U?mL-1 of CA19-9 in blood. This is below the cutoff value (37 U mL-1) of CA 19-9. The assay duration for blood samples is 35 min. In our perception, the assay represents a rapid and low-cost tool for rapid determination of CA19-9 in blood that holds promise for clinical applications, particularly in limited resource settings. PMID- 29200503 TI - From Eminent Men to Excellent Universities: University Rankings as Calculative Devices. AB - Global university rankings have become increasingly important 'calculative devices' for assessing the 'quality' of higher education and research. Their ability to make characteristics of universities 'calculable' is here exemplified by the first proper university ranking ever, produced as early as 1910 by the American psychologist James McKeen Cattell. Our paper links the epistemological rationales behind the construction of this ranking to the sociopolitical context in which Cattell operated: an era in which psychology became institutionalized against the backdrop of the eugenics movement, and in which statistics of science became used to counter a perceived decline in 'great men.' Over time, however, the 'eminent man,' shaped foremost by heredity and upbringing, came to be replaced by the excellent university as the emblematic symbol of scientific and intellectual strength. We also show that Cattell's ranking was generative of new forms of the social, traces of which can still be found today in the enactment of 'excellence' in global university rankings. PMID- 29200504 TI - Science Production in Germany, France, Belgium, and Luxembourg: Comparing the Contributions of Research Universities and Institutes to Science, Technology, Engineering, Mathematics, and Health. AB - Charting significant growth in science production over the 20th century in four European Union member states, this neo-institutional analysis describes the development and current state of universities and research institutes that bolster Europe's position as a key region in global science. On-going internationalization and Europeanization of higher education and science has been accompanied by increasing competition as well as collaboration. Despite the policy goals to foster innovation and further expand research capacity, in cross national and historical comparison neither the level of R&D investments nor country size accounts completely for the differential growth of scientific productivity. Based on a comprehensive historical database from 1900 to 2010, this analysis uncovers both stable and dynamic patterns of production and productivity in Germany, France, Belgium, and Luxembourg. Measured in peer reviewed research articles collected in Thomson Reuters' Science Citation Index Expanded, which includes journals in the fields of Science, Technology, Engineering, Mathematics, and Health, we show the varying contributions of different organizational forms, especially research universities and research institutes. Comparing the institutionalization pathways that created the conditions necessary for continuous and strong growth in scientific productivity in the European center of global science emphasizes that the research university is the key organizational form across countries. PMID- 29200505 TI - Early Miocene reef- and mudflat-associated gastropods from Makran (SE-Iran). AB - A new gastropod fauna of Burdigalian (early Miocene) age is described from the Iranian part of Makran. The fauna comprises 19 species and represents three distinct assemblages from turbid water coral reef, shallow subtidal soft-bottom and mangrove-fringed mudflat environments in the northern Indian Ocean. Especially the reef-associated assemblage comprises largely new species. This is explained by the rare occurrence of reefs along the northern margin of the Miocene Indian Ocean and the low number of scientific studies dealing with the region. In terms of paleobiogeography, the fauna corresponds well to coeval faunas from the Pakistani Balochistan and Sindh provinces and the Indian Kathiawar, Kutch and Kerala provinces. During the early Miocene, these constituted a discrete biogeographic unit, the Western Indian Province, which documents the near complete biogeographic isolation from the Proto-Mediterranean Sea. Some mudflat taxa might represent examples of vicariance following the Tethys closure. The fauna also displays little connection with coeval faunas from Indonesia, documenting a strong provincialism within the Indo-West Pacific Region during early Miocene times. Neritopsis gedrosiana sp. nov., Calliostoma irerense sp. nov., Calliostoma mohtatae sp. nov. and Trivellona makranica sp. nov. are described as new species. PMID- 29200506 TI - Leaf expansion in Phaseolus: transient auxin-induced growth increase. AB - Control of leaf expansion by auxin is not well understood. Evidence from short term exogenous applications and from treatment of excised tissues suggests auxin positively influences growth. Manipulations of endogenous leaf auxin content, however, suggests that, long-term, auxin suppresses leaf expansion. This study attempts to clarify the growth effects of auxin on unifoliate (primary) leaves of the common bean (Phaseolus vulgaris) by reexamining the response to auxin treatment of both excised leaf strips and attached leaves. Leaf strips, incubated in culture conditions that promoted steady elongation for up to 48 h, treated with 10 MUM NAA responded with an initial surge of elongation growth complete within 10 hours followed by insensitivity. A range of NAA concentrations from 0.1 MUM to 300 MUM induced increased strip elongation after 24 hours and 48 hours. Increased elongation and epinastic curvature of leaf strips was found specific to active auxins. Expanding attached unifoliates treated once with aqueous auxin alpha-naphthalene acetic acid (NAA) at 1.0 mM showed both an initial surge in growth lasting 4-6 hours followed by growth inhibition sustained at least as long as 24 hours post treatment. Auxin-induced inhibition of leaf expansion was associated with smaller epidermal cell area. Together the results suggest increasing leaf auxin first increases growth then slows growth through inhibition of cell expansion. Excised leaf strips, retain only the initial increased growth response to auxin and not the subsequent growth inhibition, either as a consequence of wounding or of isolation from the plant. PMID- 29200508 TI - A Bayesian Network Meta-Analysis to Synthesize the Influence of Contexts of Scaffolding Use on Cognitive Outcomes in STEM Education. AB - Computer-based scaffolding provides temporary support that enables students to participate in and become more proficient at complex skills like problem solving, argumentation, and evaluation. While meta-analyses have addressed between-subject differences on cognitive outcomes resulting from scaffolding, none has addressed within-subject gains. This leaves much quantitative scaffolding literature not covered by existing meta-analyses. To address this gap, this study used Bayesian network meta-analysis to synthesize within-subjects (pre-post) differences resulting from scaffolding in 56 studies. We generated the posterior distribution using 20,000 Markov Chain Monte Carlo samples. Scaffolding has a consistently strong effect across student populations, STEM (science, technology, engineering, and mathematics) disciplines, and assessment levels, and a strong effect when used with most problem-centered instructional models (exception: inquiry-based learning and modeling visualization) and educational levels (exception: secondary education). Results also indicate some promising areas for future scaffolding research, including scaffolding among students with learning disabilities, for whom the effect size was particularly large (g = 3.13). PMID- 29200509 TI - 'Bottom dog men': Disability, Social Welfare and Advocacy in the Scottish Coalfields in the Interwar Years, 1918-1939. AB - This article connects with and builds on recent research on workmen's compensation and disability focussing on the Scottish coalfields between the wars. It draws upon a range of primary sources including coal company accident books, court cases and trade union records to analyse efforts to define and redefine disability, examining the language deployed and the agency of workers and their advocates. It is argued here that the workmen's compensation system associated disability with restricted functionality relating to work tasks and work environments. Disability became more visible and more closely monitored and this was a notably contested and adversarial terrain in Scotland in the Depression, where employers, workers and their collective organisations increasingly deployed medical expertise to support their cases regarding working and disabled bodies. In Scotland, the miners' trade unions emerged as key advocates for the disabled. PMID- 29200507 TI - Removal of Retained Electrospinning Solvent Prolongs Drug Release from Electrospun PLLA Fibers. AB - A major challenge in developing drug-releasing electrospun nanofibers is obtaining long-term drug release over many weeks with no burst release of drug. Here, we present new methods capable of prolonging the diffusive release of small molecule drugs from electrospun poly-L-lactic acid (PLLA) nanofibers. The methods focus on removal of retained electrospinning solvent through fiber heating, maintaining fibers in a laboratory setting, or a combination of these methods. These post-fabrication methods altered the release characteristics of a model small molecule drug, 6-aminonicotinamide (6AN), from PLLA fibers. Specifically, untreated fibers released 6AN over 9 days, and fibers that underwent a combined treatment of maintenance in a laboratory setting and heating released 6AN over 44 days. The unique and simple method presented here prolongs diffusive release of a small molecule drug from electrospun fibers and has potential to assist in lengthening small molecule drug release from a variety of polymeric nanomaterials. PMID- 29200512 TI - Demand-pull and environmental innovations: Estimating the effects of innovative public procurement. AB - This paper contributes to the emerging literature on the adoption of environmental innovation, by investigating the so far unexplored role of governmental demand in stimulating 'greener' production choices. Specifically, the role of innovative public procurement in driving the adoption and diffusion of sustainable manufacturing technologies is analysed. Results, based on firm level data in the 28 Member States of the European Union, Switzerland and the USA, are obtained through non-parametric matching techniques. Those outline the crucial role of innovative public procurement in the uptake of environmental innovations. This confirms the relevance of such policy instrument in allowing countries to achieve a decarbonised and sustainable growth path which is compatible with competitiveness goals. PMID- 29200511 TI - What is the extension of the extended mind? AB - Two aspects of cognitive coupling, as brought forward in the Extended Mind Hypothesis, are discussed in this paper: (1) how shall the functional coupling between the organism and some entity in his environment be spelled out in detail? (2) What are the paradigmatic external entities to enter into that coupling? These two related questions are best answered in the light of an aetiological variety of functionalist argument that adds historical depth to the "active externalism" promoted by Clark and Chalmers and helps to counter some of the core criticisms levelled against this view. Under additional reference to conceptual parallels between the Extended Mind Hypothesis and a set of heterodox theories in biology-environmental constructivism, niche construction, developmental systems theory-an argument for the grounding of environmentally extended cognitive traits in evolved biological functions is developed. In a spirit that seeks to integrate extended functionalism with views from cognitive integration and complementarity, it is argued (ad 1) that instances of environmental coupling should be understood as being constitutive to cognitive functions in either of two distinct ways. It is further argued (ad 2) that the historically and systematically prior environmental counterparts in that coupling are features of the natural environment. Language and linguistically imbued artefacts are likely to have descended from more basic relations that have an extension over the environment. PMID- 29200513 TI - Reactivity of (1-methoxycarbonylpentadienyl)iron(1+) cations with hydride, methyl, and nitrogen nucleophiles. AB - The reaction of tricarbonyl and (dicarbonyl)triphenylphosphine (1-methoxycarbonyl pentadientyl)iron(1+) cations 7 and 8 with methyl lithium, NaBH3CN, or potassium phthalimide affords (pentenediyl)iron complexes 9a-c and 11a-b, while reaction with dimethylcuprate, gave (E,Z-diene)iron complexes 10 and 12. Oxidatively induced-reductive elimination of 9a-c gave vinylcyclopropanecarboxylates 17a-c. The optically active vinylcyclopropane (+)-17a, prepared from (1S)-7, undergoes olefin cross-metathesis with excess (+)-18 to yield (+)-19, a C9-C16 synthon for the antifungal agent ambruticin. Alternatively reaction of 7 with methanesulfonamide or trimethylsilylazide gave (E,E-diene)iron complexes 14d and e. Huisgen [3+2] cyclization of the (azidodienyl)iron complex 14e with alkynes afforded triazoles 25a-e. PMID- 29200510 TI - The interaction of soil phototrophs and fungi with pH and their impact on soil CO2, CO18O and OCS exchange. AB - The stable oxygen isotope composition of atmospheric CO2 and the mixing ratio of carbonyl sulphide (OCS) are potential tracers of biospheric CO2 fluxes at large scales. However, the use of these tracers hinges on our ability to understand and better predict the activity of the enzyme carbonic anhydrase (CA) in different soil microbial groups, including phototrophs. Because different classes of the CA family (alpha, beta and gamma) may have different affinities to CO2 and OCS and their expression should also vary between different microbial groups, differences in the community structure could impact the 'community-integrated' CA activity differently for CO2 and OCS. Four soils of different pH were incubated in the dark or with a diurnal cycle for forty days to vary the abundance of native phototrophs. Fluxes of CO2, CO18O and OCS were measured to estimate CA activity alongside the abundance of bacteria, fungi and phototrophs. The abundance of soil phototrophs increased most at higher soil pH. In the light, the strength of the soil CO2 sink and the CA-driven CO2-H2O isotopic exchange rates correlated with phototrophs abundance. OCS uptake rates were attributed to fungi whose abundance was positively enhanced in alkaline soils but only in the presence of increased phototrophs. Our findings demonstrate that soil-atmosphere CO2, OCS and CO18O fluxes are strongly regulated by the microbial community structure in response to changes in soil pH and light availability and supports the idea that different members of the microbial community express different classes of CA, with different affinities to CO2 and OCS. PMID- 29200516 TI - Options for financing pandemic preparedness. PMID- 29200514 TI - An enantioselective enzymatic desymmetrization route to hexahydro-4H-furopyranol, a high-affinity ligand for HIV-1 protease inhibitors. AB - An enantioselective synthesis of (3aS,4S,7aR)-hexahydro-4H-furo[2,3-b]pyran-4-ol, a high-affinity nonpeptide ligand for a variety of potent HIV-1 protease inhibitors is described. The key steps involved a highly enantioselective enzymatic desymmetrization of meso-diacetate, an efficient transacetalization, and a highly diastereoselective reduction of a ketone. This route is amenable to large-scale synthesis using readily available starting materials. PMID- 29200518 TI - Public health round-up. PMID- 29200517 TI - A public health research agenda informed by guidelines in development. PMID- 29200519 TI - Restricting the use of sunbeds to prevent skin cancer. AB - Young people - especially women - are risking their health in pursuit of a tanned skin that they associate with celebrity, beauty and wellbeing. Tatum Anderson reports. PMID- 29200520 TI - Fatima Suleman: making medicines more widely available. AB - The availability of affordable medicines is a major barrier to providing high quality health care in many countries. Fatima Suleman talks to Fiona Fleck. PMID- 29200521 TI - Zika virus in semen: a prospective cohort study of symptomatic travellers returning to Belgium. AB - Objective: To prospectively monitor Zika viral loads in semen from Belgian travellers with confirmed Zika virus infection, who returned from the Americas during the 2016 Zika virus epidemic. Methods: We recruited symptomatic travellers consulting our clinic and we confirmed infection with either reverse transcriptase (RT) polymerase chain reaction (PCR) assay or virus neutralization test. The participants produced semen samples weekly, either at the clinic or at home. For the initial sample, the laboratory staff did a microscopy analysis if they received the sample within an hour of production. Using RT-PCR, we monitored Zika virus ribonucleic acid (RNA) loads in semen until we obtained two negative results. Findings: We detected Zika virus RNA in nine of 15 participants' semen, one of whom was vasectomized. The median time to loss of RNA detection in semen was 83 days after symptom onset (95% confidence interval, CI: 57-108). The longest duration of viral shedding in semen before obtaining the first negative RT-PCR result was 144 days after symptom onset. All of the 11 participants, for whom we microscopically analysed their semen, had presence of leukocytes, 10 showed haematospermia and six showed oligospermia. These abnormalities occurred irrespective of Zika virus detection in semen. Conclusion: The majority of men in our study had detectable Zika virus RNA in their semen. We recommend that semen from Zika virus-infected men should be analysed with RT-PCR and that health professionals should advise infected men, even if they are vasectomized, about current recommendations for prevention of sexual transmission of the virus. PMID- 29200522 TI - Access to maternal health services: geographical inequalities, United Republic of Tanzania. AB - Objective: To determine if improved geographical accessibility led to increased uptake of maternity care in the south of the United Republic of Tanzania. Methods: In a household census in 2007 and another large household survey in 2013, we investigated 22 243 and 13 820 women who had had a recent live birth, respectively. The proportions calculated from the 2013 data were weighted to account for the sampling strategy. We examined the association between the straight-line distances to the nearest primary health facility or hospital and uptake of maternity care. Findings: The percentages of live births occurring in primary facilities and hospitals rose from 12% (2571/22 243) and 29% (6477/22 243), respectively, in 2007 to weighted values of 39% and 40%, respectively, in 2013. Between the two surveys, women living far from hospitals showed a marked gain in their use of primary facilities, but the proportion giving birth in hospitals remained low (20%). Use of four or more antenatal visits appeared largely unaffected by survey year or the distance to the nearest antenatal clinic. Although the overall percentage of live births delivered by caesarean section increased from 4.1% (913/22 145) in the first survey to a weighted value of 6.5% in the second, the corresponding percentages for women living far from hospital were very low in 2007 (2.8%; 35/1254) and 2013 (3.3%). Conclusion: For women living in our study districts who sought maternity care, access to primary facilities appeared to improve between 2007 and 2013, however access to hospital care and caesarean sections remained low. PMID- 29200523 TI - Systematic review of dietary trans-fat reduction interventions. AB - Objective: To systematically review published studies of interventions to reduce people's intake of dietary trans-fatty acids (TFAs). Methods: We searched online databases (CINAHL, the CRD Wider Public Health database, Cochrane Database of Systematic Reviews, Ovid(r), MEDLINE(r), Science Citation Index and Scopus) for studies evaluating TFA interventions between 1986 and 2017. Absolute decrease in TFA consumption (g/day) was the main outcome measure. We excluded studies reporting only on the TFA content in food products without a link to intake. We included trials, observational studies, meta-analyses and modelling studies. We conducted a narrative synthesis to interpret the data, grouping studies on a continuum ranging from interventions targeting individuals to population-wide, structural changes. Results: After screening 1084 candidate papers, we included 23 papers: 12 empirical and 11 modelling studies. Multiple interventions in Denmark achieved a reduction in TFA consumption from 4.5 g/day in 1976 to 1.5 g/day in 1995 and then virtual elimination after legislation banning TFAs in manufactured food in 2004. Elsewhere, regulations mandating reformulation of food reduced TFA content by about 2.4 g/day. Worksite interventions achieved reductions averaging 1.2 g/day. Food labelling and individual dietary counselling both showed reductions of around 0.8 g/day. Conclusion: Multicomponent interventions including legislation to eliminate TFAs from food products were the most effective strategy. Reformulation of food products and other multicomponent interventions also achieved useful reductions in TFA intake. By contrast, interventions targeted at individuals consistently achieved smaller reductions. Future prevention strategies should consider this effectiveness hierarchy to achieve the largest reductions in TFA consumption. PMID- 29200525 TI - Mental health care during the Ebola virus disease outbreak in Sierra Leone. AB - Problem: Reported levels of mental health and psychosocial problems rose during the 2014-2015 Ebola virus disease outbreak in Sierra Leone. Approach: As part of the emergency response, existing plans to create mental health units within the existing hospital framework were brought forward. A nurse-led mental health and psychosocial support service, with an inpatient liaison service and an outpatient clinic, was set up at the largest government hospital in the country. One mental health nurse trained general nurses in psychological first aid, case identification and referral pathways. Health-care staff attended mental well being workshops on coping with stigma and stress. Local setting: Mental health service provision in Sierra Leone is poor, with one specialist psychiatric hospital to serve the population of 7 million. Relevant changes: From March 2015 to February 2016, 143 patients were seen at the clinic; 20 had survived or had relatives affected by Ebola virus disease. Half the patients (71) had mild distress or depression, anxiety disorders and grief or social problems, while 30 patients presented with psychosis requiring medication. Fourteen non-specialist nurses received mental health awareness training. Over 100 physicians, nurses and auxiliary staff participated in well-being workshops. Lessons learnt: A nurse-led approach within a non-specialist setting was a successful model for delivering mental health and psychosocial support services during the Ebola outbreak in Sierra Leone. Strong leadership and partnerships were essential for establishing a successful service. Lack of affordable psychotropic medications, limited human resources and weak social welfare structures remain challenges. PMID- 29200524 TI - Health-care workers' occupational exposures to body fluids in 21 countries in Africa: systematic review and meta-analysis. AB - Objective: To estimate the lifetime and 12-month prevalence of occupational exposure to body fluids among health-care workers in Africa. Methods: Embase(r), PubMed(r) and CINAHL databases were systematically searched for studies published between January 2000 and August 2017 that reported the prevalence of occupational exposure to blood or other body fluids among health-care workers in Africa. The continent-wide prevalence of exposure was estimated using random-effects meta analysis. Findings: Of the 904 articles identified, 65 studies from 21 African countries were included. The estimated pooled lifetime and 12-month prevalence of occupational exposure to body fluids were 65.7% (95% confidence interval, CI: 59.7-71.6) and 48.0% (95% CI: 40.7-55.3), respectively. Exposure was largely due to percutaneous injury, which had an estimated 12-month prevalence of 36.0% (95% CI: 31.2-40.8). The pooled 12-month prevalence of occupational exposure among medical doctors (excluding surgeons), nurses (including midwives and nursing assistants) and laboratory staff (including laboratory technicians) was 46.6% (95% CI: 33.5-59.7), 44.6% (95% CI: 34.1-55.0) and 34.3% (95% CI: 21.8-46.7), respectively. The risk of exposure was higher among health-care workers with no training on infection prevention and those who worked more than 40 hours per week. Conclusion: The evidence available suggests that almost one half of health care workers in Africa were occupationally exposed to body fluids annually. However, a lack of data from some countries was a major limitation. National governments and health-care institutions across Africa should prioritize efforts to minimize occupational exposure among health-care workers. PMID- 29200526 TI - Uddanam nephropathy in India: a challenge for epidemiologists. PMID- 29200527 TI - Improving the health and well-being of children of migrant workers. PMID- 29200528 TI - Revisiting the horizontal redistribution of water in soils: Experiments and numerical modeling. AB - A series of experiments and related numerical simulations were carried out to study one-dimensional water redistribution processes in an unsaturated soil. A long horizontal Plexiglas box was packed as homogenously as possible with sand. The sandbox was divided into two sections using a very thin metal plate, with one section initially fully saturated and the other section only partially saturated. Initial saturation in the dry section was set to 0.2, 0.4, or 0.6 in three different experiments. Redistribution between the wet and dry sections started as soon as the metal plate was removed. Changes in water saturation at various locations along the sandbox were measured as a function of time using a dual energy gamma system. Also, air and water pressures were measured using two different kinds of tensiometers at various locations as a function of time. The saturation discontinuity was found to persist during the entire experiments, while observed water pressures were found to become continuous immediately after the experiments started. Two models, the standard Richards equation and an interfacial area model, were used to simulate the experiments. Both models showed some deviations between the simulated water pressures and the measured data at early times during redistribution. The standard model could only simulate the observed saturation distributions reasonably well for the experiment with the lowest initial water saturation in the dry section. The interfacial area model could reproduce observed saturation distributions of all three experiments, albeit by fitting one of the parameters in the surface area production term. PMID- 29200529 TI - Irrigation, risk aversion, and water right priority under water supply uncertainty. AB - This paper explores the impacts of a water right's allocative priority-as an indicator of farmers' risk-bearing ability-on land irrigation under water supply uncertainty. We develop and use an economic model to simulate farmers' land irrigation decision and associated economic returns in eastern Idaho. Results indicate that the optimal acreage of land irrigated increases with water right priority when hydroclimate risk exhibits a negatively skewed or right-truncated distribution. Simulation results suggest that prior appropriation enables senior water rights holders to allocate a higher proportion of their land to irrigation, 6 times as much as junior rights holders do, creating a gap in the annual expected net revenue reaching up to $141.4 acre-1 or $55,800 per farm between the two groups. The optimal irrigated acreage, expected net revenue, and shadow value of a water right's priority are subject to substantial changes under a changing climate in the future, where temporal variation in water supply risks significantly affects the profitability of agricultural land use under the priority-based water sharing mechanism. PMID- 29200530 TI - Power Electronic Semiconductor Materials for Automotive and Energy Saving Applications - SiC, GaN, Ga2O3, and Diamond. AB - Power electronics belongs to the future key technologies in order to increase system efficiency as well as performance in automotive and energy saving applications. Silicon is the major material for electronic switches since decades. Advanced fabrication processes and sophisticated electronic device designs have optimized the silicon electronic device performance almost to their theoretical limit. Therefore, to increase the system performance, new materials that exhibit physical and chemical properties beyond silicon need to be explored. A number of wide bandgap semiconductors like silicon carbide, gallium nitride, gallium oxide, and diamond exhibit outstanding characteristics that may pave the way to new performance levels. The review will introduce these materials by (i) highlighting their properties, (ii) introducing the challenges in materials growth, and (iii) outlining limits that need innovation steps in materials processing to outperform current technologies. PMID- 29200531 TI - A composite smeared finite element for mass transport in capillary systems and biological tissue. AB - One of the key processes in living organisms is mass transport occurring from blood vessels to tissues for supplying tissues with oxygen, nutrients, drugs, immune cells, and - in the reverse direction - transport of waste products of cell metabolism to blood vessels. The mass exchange from blood vessels to tissue and vice versa occurs through blood vessel walls. This vital process has been investigated experimentally over centuries, and also in the last decades by the use of computational methods. Due to geometrical and functional complexity and heterogeneity of capillary systems, it is however not feasible to model in silico individual capillaries (including transport through the walls and coupling to tissue) within whole organ models. Hence, there is a need for simplified and robust computational models that address mass transport in capillary-tissue systems. We here introduce a smeared modeling concept for gradient-driven mass transport and formulate a new composite smeared finite element (CSFE). The transport from capillary system is first smeared to continuous mass sources within tissue, under the assumption of uniform concentration within capillaries. Here, the fundamental relation between capillary surface area and volumetric fraction is derived as the basis for modeling transport through capillary walls. Further, we formulate the CSFE which relies on the transformation of the one dimensional (1D) constitutive relations (for transport within capillaries) into the continuum form expressed by Darcy's and diffusion tensors. The introduced CSFE is composed of two volumetric parts - capillary and tissue domains, and has four nodal degrees of freedom (DOF): pressure and concentration for each of the two domains. The domains are coupled by connectivity elements at each node. The fictitious connectivity elements take into account the surface area of capillary walls which belongs to each node, as well as the wall material properties (permeability and partitioning). The overall FE model contains geometrical and material characteristics of the entire capillary-tissue system, with physiologically measurable parameters assigned to each FE node within the model. The smeared concept is implemented into our implicit-iterative FE scheme and into FE package PAK. The first three examples illustrate accuracy of the CSFE element, while the liver and pancreas models demonstrate robustness of the introduced methodology and its applicability to real physiological conditions. PMID- 29200532 TI - Preparation of Diisopropylammonium Bis(catecholato)cyclohexylsilicate. PMID- 29200533 TI - Going to Pot? The Impact of Dispensary Closures on Crime. AB - Jurisdictions that sanction medical or, more recently, recreational marijuana use often allow retail sales at dispensaries. Dispensaries are controversial as many believe they contribute to local crime. To assess this claim, we analyze the short-term mass closing of hundreds of medical marijuana dispensaries in Los Angeles. Contrary to popular wisdom, we find an immediate increase in crime around dispensaries ordered to close relative to those allowed to remain open. The increase is specific to the type of crime most plausibly deterred by bystanders, and is correlated with neighborhood walkability. We find a similar pattern of results for temporary restaurant closures due to health code violations. A likely common mechanism is that "eyes upon the street" deter some types of crime. PMID- 29200534 TI - Spread in the magnitude of climate model interdecadal global temperature variability traced to disagreements over high-latitude oceans. AB - Unforced variability in global mean surface air temperature can obscure or exaggerate global warming on interdecadal timescales, thus understanding both the magnitude and generating mechanisms of such variability is of critical importance for both attribution studies as well as decadal climate prediction. Coupled atmosphere-ocean general circulation models (climate models) simulate a wide range of magnitudes of unforced interdecadal variability in global mean surface air temperature (UITglobal), hampering efforts to quantify the influence of UITglobal on contemporary global temperature trends. Recently, a preliminary consensus has emerged that unforced interdecadal variability in local surface temperatures (UITlocal) over the tropical Pacific Ocean are particularly influential on UITglobal. Therefore, a reasonable hypothesis might be that the large spread in the magnitude of UITglobal across climate models can be explained by the spread in the magnitude of simulated tropical Pacific UITlocal. Here we show that this hypothesis is mostly false. Instead, the spread in the magnitude of UITglobal is linked much more strongly to the spread in the magnitude of UITlocal over high-latitude regions characterized by significant variability in oceanic convection, sea ice concentration, and energy flux at both the surface and the top of the atmosphere (TOA). Thus, efforts to constrain the climate model produced range of UITglobal magnitude would be best served by focusing on the simulation of air-sea interaction at high latitudes. PMID- 29200535 TI - MJO-Related Tropical Convection Anomalies Lead to More Accurate Stratospheric Vortex Variability in Subseasonal Forecast Models. AB - The effect of the Madden-Julian Oscillation (MJO) on the Northern Hemisphere wintertime stratospheric polar vortex in the period preceding stratospheric sudden warmings is evaluated in operational subseasonal forecasting models. Reforecasts which simulate stronger MJO-related convection in the Tropical West Pacific also simulate enhanced heat flux in the lowermost stratosphere and a more realistic vortex evolution. The time scale on which vortex predictability is enhanced lies between 2 and 4 weeks for nearly all cases. Those stratospheric sudden warmings that were preceded by a strong MJO event are more predictable at ~20 day leads than stratospheric sudden warmings not preceded by a MJO event. Hence, knowledge of the MJO can contribute to enhanced predictability, at least in a probabilistic sense, of the Northern Hemisphere polar stratosphere. PMID- 29200536 TI - Decade-long deep-ocean warming detected in the subtropical South Pacific. AB - The persistent energy imbalance at the top of the atmosphere, inferred from satellite measurements, indicates that the Earth's climate system continues to accumulate excess heat. As only sparse and irregular measurements of ocean heat below 2000 m depth exist, one of the most challenging questions in global climate change studies is whether the excess heat has already penetrated into the deep ocean. Here we perform a comprehensive analysis of satellite and in situ measurements to report that a significant deep-ocean warming occurred in the subtropical South Pacific Ocean over the past decade (2005-2014). The local accumulation of heat accounted for up to a quarter of the global ocean heat increase, with directly and indirectly inferred deep ocean (below 2000 m) contribution of 2.4 +/- 1.4 and 6.1-10.1 +/- 4.4%, respectively. We further demonstrate that this heat accumulation is consistent with a decade-long intensification of the subtropical convergence, possibly linked to the persistent La Nina-like state. PMID- 29200537 TI - Bayesian Computation for Log-Gaussian Cox Processes: A Comparative Analysis of Methods. AB - The Log-Gaussian Cox Process is a commonly used model for the analysis of spatial point pattern data. Fitting this model is difficult because of its doubly stochastic property, i.e., it is an hierarchical combination of a Poisson process at the first level and a Gaussian Process at the second level. Various methods have been proposed to estimate such a process, including traditional likelihood based approaches as well as Bayesian methods. We focus here on Bayesian methods and several approaches that have been considered for model fitting within this framework, including Hamiltonian Monte Carlo, the Integrated nested Laplace approximation, and Variational Bayes. We consider these approaches and make comparisons with respect to statistical and computational efficiency. These comparisons are made through several simulation studies as well as through two applications, the first examining ecological data and the second involving neuroimaging data. PMID- 29200538 TI - Using Google Scholar institutional level data to evaluate the quality of university research. AB - In recent years, the extent of formal research evaluation, at all levels from the individual to the multiversity has increased dramatically. At the institutional level, there are world university rankings based on an ad hoc combination of different indicators. There are also national exercises, such as those in the UK and Australia that evaluate research outputs and environment through peer review panels. These are extremely costly and time consuming. This paper evaluates the possibility of using Google Scholar (GS) institutional level data to evaluate university research in a relatively automatic way. Several citation-based metrics are collected from GS for all 130 UK universities. These are used to evaluate performance and produce university rankings which are then compared with various rankings based on the 2014 UK Research Excellence Framework (REF). The rankings are shown to be credible and to avoid some of the obvious problems of the REF ranking, as well as being highly efficient and cost effective. We also investigate the possibility of normalizing the results for the university subject mix since science subjects generally produce significantly more citations than social science or humanities. PMID- 29200539 TI - Sequence analysis of annually normalized citation counts: an empirical analysis based on the characteristic scores and scales (CSS) method. AB - In bibliometrics, only a few publications have focused on the citation histories of publications, where the citations for each citing year are assessed. In this study, therefore, annual categories of field- and time-normalized citation scores (based on the characteristic scores and scales method: 0 = poorly cited, 1 = fairly cited, 2 = remarkably cited, and 3 = outstandingly cited) are used to study the citation histories of papers. As our dataset, we used all articles published in 2000 and their annual citation scores until 2015. We generated annual sequences of citation scores (e.g., [Formula: see text]) and compared the sequences of annual citation scores of six broader fields (natural sciences, engineering and technology, medical and health sciences, agricultural sciences, social sciences, and humanities). In agreement with previous studies, our results demonstrate that sequences with poorly cited (0) and fairly cited (1) elements dominate the publication set; sequences with remarkably cited (3) and outstandingly cited (4) periods are rare. The highest percentages of constantly poorly cited papers can be found in the social sciences; the lowest percentages are in the agricultural sciences and humanities. The largest group of papers with remarkably cited (3) and/or outstandingly cited (4) periods shows an increasing impact over the citing years with the following orders of sequences: [Formula: see text] (6.01%), which is followed by [Formula: see text] (1.62%). Only 0.11% of the papers (n = 909) are constantly on the outstandingly cited level. PMID- 29200540 TI - A Functional Varying-Coefficient Single-Index Model for Functional Response Data. AB - Motivated by the analysis of imaging data, we propose a novel functional varying coefficient single index model (FVCSIM) to carry out the regression analysis of functional response data on a set of covariates of interest. FVCSIM represents a new extension of varying-coefficient single index models for scalar responses collected from cross-sectional and longitudinal studies. An efficient estimation procedure is developed to iteratively estimate varying coefficient functions, link functions, index parameter vectors, and the covariance function of individual functions. We systematically examine the asymptotic properties of all estimators including the weak convergence of the estimated varying coefficient functions, the asymptotic distribution of the estimated index parameter vectors, and the uniform convergence rate of the estimated covariance function and their spectrum. Simulation studies are carried out to assess the finite-sample performance of the proposed procedure. We apply FVCSIM to investigating the development of white matter diffusivities along the corpus callosum skeleton obtained from Alzheimer's Disease Neuroimaging Initiative (ADNI) study. PMID- 29200541 TI - The development and validation of the Closed-set Mandarin Sentence (CMS) test. AB - Matrix-styled sentence tests offer a closed-set paradigm that may be useful when evaluating speech intelligibility. Ideally, sentence test materials should reflect the distribution of phonemes within the target language. We developed and validated the Closed-set Mandarin Sentence (CMS) test to assess Mandarin speech intelligibility in noise. CMS test materials were selected to be familiar words and to represent the natural distribution of vowels, consonants, and lexical tones found in Mandarin Chinese. Ten key words in each of five categories (Name, Verb, Number, Color, and Fruit) were produced by a native Mandarin talker, resulting in a total of 50 words that could be combined to produce 100,000 unique sentences. Normative data were collected in 10 normal-hearing, adult Mandarin speaking Chinese listeners using a closed-set test paradigm. Two test runs were conducted for each subject, and 20 sentences per run were randomly generated while ensuring that each word was presented only twice in each run. First, the level of the words in each category were adjusted to produce equal intelligibility in noise. Test-retest reliability for word-in-sentence recognition was excellent according to Cronbach's alpha (0.952). After the category level adjustments, speech reception thresholds (SRTs) for sentences in noise, defined as the signal-to-noise ratio (SNR) that produced 50% correct whole sentence recognition, were adaptively measured by adjusting the SNR according to the correctness of response. The mean SRT was -7.9 (SE=0.41) and -8.1 (SE=0.34) dB for runs 1 and 2, respectively. The mean standard deviation across runs was 0.93 dB, and paired t-tests showed no significant difference between runs 1 and 2 (p=0.74) despite random sentences being generated for each run and each subject. The results suggest that the CMS provides large stimulus set with which to repeatedly and reliably measure Mandarin-speaking listeners' speech understanding in noise using a closed-set paradigm. PMID- 29200542 TI - A New Variance Component Score Test for Testing Distributed Lag Functions with Applications in Time Series Analysis. AB - We propose to test a given constrained distributed lag model (DLM) of the form beta = Ctheta against an unconstrained alternative using a variance component score test (VCST) and show that VCST is more powerful than the standard likelihood ratio test in a simulation study. PMID- 29200543 TI - A protocol for training group-housed rhesus macaques (Macaca mulatta) to cooperate with husbandry and research procedures using positive reinforcement. AB - There has been increased recognition of the 3Rs in laboratory animal management over the last decade, including improvements in animal handling and housing. For example, positive reinforcement is now more widely used to encourage primates to cooperate with husbandry procedures, and improved enclosure design allows housing in social groups with opportunity to escape and avoid other primates and humans. Both practices have become gold standards in captive primate care resulting in improved health and behavioural outcomes. However, training individuals and social housing may be perceived as incompatible, and so it is important to share protocols, their outcomes and suggestions for planning and improvements for future uptake. Here we present a protocol with link to video for training rhesus macaques (Macaca mulatta) housed in single-male - multi-female breeding groups to sit at individual stations in the social enclosure. Our aim was that the monkeys could take part in welfare-related cognitive assessments without the need for removal from the group or interference by group members. To do this we required most individuals in a group to sit by individual stations at the same time. Most of the training was conducted by a single trainer with occasional assistance from a second trainer depending on availability. We successfully trained 61/65 monkeys housed in groups of up to nine adults (plus infants and juveniles) to sit by their individual stationing tools for >30 s. Males successfully trained on average within 30 min (2 training sessions); females trained on average in 1 h 52 min +/- 13min (7.44 sessions), with rank (high, mid, low) affecting the number of sessions required. On average, dominant females trained in 1 h 26 min +/- 16 min (5.7 sessions), mid ranked females in 1 h 52 min +/- 20min (7.45 sessions), and subordinate females took 2 h 44 min +/- 36 min (10.9 sessions). Age, group size, reproductive status, temperament, and early maternal separation did not influence the number of sessions a monkey required to reach criterion. We hope this protocol will be useful for facilities worldwide looking to house their animals in naturalistic social groups without impacting on animal husbandry and management. PMID- 29200544 TI - Phoretic motion of soft vesicles and droplets: an XFEM/particle-based numerical solution. AB - When immersed in solution, surface-active particles interact with solute molecules and migrate along gradients of solute concentration. Depending on the conditions, this phenomenon could arise from either diffusiophoresis or the Marangoni effect, both of which involve strong interactions between the fluid and the particle surface. We introduce here a numerical approach that can accurately capture these interactions, and thus provide an efficient tool to understand and characterize the phoresis of soft particles. The model is based on a combination of the extended finite element-that enable the consideration of various discontinuities across the particle surface-and the particle-based moving interface method-that is used to measure and update the interface deformation in time. In addition to validating the approach with analytical solutions, the model is used to study the motion of deformable vesicles in solutions with spatial variations in both solute concentration and temperature. PMID- 29200545 TI - Self-interest may not be entirely in the interest of the self: Association between selflessness, dispositional mindfulness and psychological well-being. AB - The association between mindfulness and selflessness is firmly grounded in classical Indo-Sino-Tibetan contemplative traditions, but has received limited empirical attention from Western researchers. In Buddhism, the relationship between mindfulness and the self is of central concern to the cultivation of well being. Mindfulness is believed to encourage insight into the truly insubstantial nature of the self, an understanding that is thought to encourage well-being. The present study explores these relationships, attending to dispositional mindfulness, the self as it exists on a continuum from self-centered to selfless, and psychological well-being. Results indicate a positive relationship between selflessness, dispositional mindfulness, and psychological well-being. It appears that construing the self as interdependent and interconnected with a broader social, natural, and cosmic context is linked with greater psychological well being and dispositional mindfulness. Path analyses revealed that selflessness mediated the relationship between dispositional mindfulness and psychological well-being. PMID- 29200546 TI - Post-Disaster Fertility: Hurricane Katrina and the Changing Racial Composition of New Orleans. AB - Large-scale climate events can have enduring effects on population size and composition. Natural disasters affect population fertility through multiple mechanisms, including displacement, demand for children, and reproductive care access. Fertility effects, in turn, influence the size and composition of new birth cohorts, extending the reach of climate events across generations. We study these processes in New Orleans during the decade spanning Hurricane Katrina. We combine census data, ACS data, and vital statistics data to describe fertility in New Orleans and seven comparison cities. Following Katrina, displacement contributed to a 30% decline in birth cohort size. Black fertility fell, and remained 4% below expected values through 2010. By contrast, white fertility increased by 5%. The largest share of births now occurs to white women. These fertility differences-beyond migration-driven population change-generate additional pressure on the renewal of New Orleans as a city in which the black population is substantially smaller in the disaster's wake. PMID- 29200547 TI - Assessing the environmental context of hand washing among school children in Limpopo, South Africa. AB - Despite its simplicity and efficacy, the promotion of hand washing for disease prevention remains a challenge particularly in resource-limited settings. Here we report on a quasi-experimental school-based study that aimed to improve habitual hand washing. Significant increases in hand washing occurred following improvements in hygiene and sanitation facilities (School A: t=13.86, p=0.0052). Smaller increases in hand washing occurred following education (School A: t=2.63; p=0.012; School B, no infrastructure improvements: t=1.66, p=0.239). Health policy and programming need to pay greater attention to the interplay of the structural, social, and individual dimensions of unique contextual environments that influence habitual behaviours. PMID- 29200548 TI - Mood Stabilisers, but for Lithium, are not stabilizing Moods! Bipolar Disorders: Clinical conundrums 2. PMID- 29200549 TI - Ethics in Psychiatric Research: Issues and Recommendations. AB - Psychiatric research has increased remarkably over recent decades to help in understanding the current trends and better therapeutic options for illness. On the other hand, there is also a trend toward higher rates of retraction of published papers in the recent years. Ethics is required to maintain and increase the overall quality and morality of research. Psychiatric research faces several unique ethical challenges. Ethical guidelines are very important tool of research which safeguards participants; however, there is a dearth of such guidelines in India. The present paper aims to review available ethical issues and guidelines pertaining to psychiatric research. A search was conducted on Pubmed using search terms (e.g., "ethics," "psychiatry," "research"). Relevant studies were selected for the review after manual screening of title/abstract. Additional sources were referred to using cross references and Google Scholar. Psychiatric research has several important ethical issues which are different from other medical disciplines. These issues are related to informed consent, confidentiality, conflict of interest, therapeutic misconception, placebo related, vulnerability, exploitation, operational challenges, among others. The current paper has made several recommendations to deal with ethical challenges commonly faced in psychiatric research. The ethical guidelines are utmost needed for Indian psychiatric research. Specific guidelines are lacking pertaining to psychiatric research. The issues and recommendations merit a further discussion and consideration. PMID- 29200550 TI - "Vaping:" Emergence of a New Paraphernalia. AB - As research, has progressed through ages, we have been able to uncover the true nature of nicotine addiction. Humankind is now aware of the various ailments that it brings with it. As the slogan for a smokeless world for a better world has been raised, a new practice called "vaping" has come to the forefront. The use of electronic cigarettes (EC) has been on the rise recently. Claims have been made over its role for nicotine deaddiction as well as reducing harmful use for chronic nicotine abusers. In the current review, we searched the PubMed database for available literatures on this practice. We conclude that though EC has the potential to work wonders in smoking cessation, the unforeseen adverse effects needs to be evaluated first before its large-scale introduction in market through solid evidence-based research. PMID- 29200551 TI - Efficacy of Transcranial Direct Current Stimulation in the Treatment: Resistant Patients who Suffer from Severe Obsessive-compulsive Disorder. AB - Background: During the past years, significant efforts have been made to explain the biological backgrounds of obsessive-compulsive disorder (OCD). Cortical subcortical and neurotransmitter models are used for explaining the symptoms of OCD, so our hypothesis is that brain's transcranial direct current stimulation (TDCS) can regulate the brain activities of the OCD patients. Thus, based on the mentioned issues, this research seeks to investigate the efficacy of TDCS in treatment-resistant patients who suffer from severe OCD. Materials and Methods: The present study is a clinical trial research which was based on the available sampling method, 42 treatment-resistant patients who suffer from severe OCD were selected as research's samples (2015-2016). Medical intervention protocol in this study is TDCS cathode type that was done in 15 sessions for 3 consecutive weeks (each session was conducted for 30 min daily). Yale-Brown Obsessive-Compulsive Scale was used for evaluating the efficacy of TDCS method during the 1st, 5th, 10th, and 15th sessions and it was also used for checking the 1st and 3rd monthly follow-up phases. Results: Variance within-group analysis (repeated measure) showed that the mean differences in the different stages of evaluation are significant (seven stages of evaluation). Conclusion: TDCS can be introduced as an appropriate, strong tool for regulating the brain - behavioral systems and it can also be introduced as a suitable alternative treatment for treatment resistant patients who suffer from severe OCD. PMID- 29200552 TI - Self-inflicted Cut Injury as Common Method of Deliberate Self Harm: A Retrospective Study from Nepal. AB - Context: Deliberate self-injury, a fairly common condition is present across all culture. It is defined as intentional, direct injuring of body tissue without suicidal intent. We continue to lack a sufficient understanding of this behavior in the context of South East Asian region. Aims: This study aims to explore the characteristics of self-cutting, and gender differences in homologous group of youth applying for foreign employment in Nepal. Settings and Design: Cross sectional, single interview method in an out-patient setting. Subjects and Methods: The youths applying for foreign employment were screened for self-harm attempt using single question. Screen positive individuals were applied with inclusion and exclusion criteria. The data were collected in a single interview by consultant psychiatrist. Results: Males were more than females and the mean age (standard deviation) at the time of act and current presentation were 16.52 (3.13) and 24.70 (5.54) years, respectively. Various methods were used in self inflicting cut, and certain amount of stress was present in the majority of the participants. There was no significant difference between male and female in all descriptive characteristics except for mean age at the time of presentation. Conclusions: The descriptive results from Nepal are keeping with most of the published literature. The study is the first one from Nepal, and we expect that this will help in laying a good foundation for further studies with stronger methodologies. PMID- 29200553 TI - Sociodemographic and Clinical Predictors of Response in Manic Episodes: A Naturalistic, Prospective, Cohort Study. AB - Background: Response to treatment of a manic episode is dependent on several sociodemographic and clinical factors as reported by researchers from other countries. The prescription of mood stabilizers and/or antipsychotics for manic episode depends on these factors. There is a lack of availability of data from India on this topic. Hence, this study was planned to identify the predictors of pharmacological response. Materials and Methods: Forty-two patients with a diagnosis of bipolar affective disorder current episode manic were enrolled and assessed for sociodemographic variables and clinical variables such as age of onset, family history, comorbidities, index episode, and number of past episodes. They were divided into four groups depending on the treatment they were receiving, namely, lithium with an antipsychotic (n = 25), lithium with divalproex and an antipsychotic (n = 8), divalproex with an antipsychotic (n = 5), and the miscellaneous group (n = 4). The primary outcome measure was improvement in the Young Mania Rating Scale score and secondary outcome measure was duration of ward stay. Results: There was a significant improvement in all the treatment modalities and it was comparable. There was no significant impact of any sociodemographic or clinical variable on treatment outcome except that females had significantly better response than males. There was nearly significant shorter duration of hospitalization in the lithium and antipsychotics groups compared to divalproex group. Conclusion: All treatment modalities are equally efficacious in the management of manic episode in short term. However, lithium and antipsychotics tend to produce early response than divalproex. Other sociodemographic and clinical predictors were not significantly associated with response. PMID- 29200554 TI - Role Overload, Role Self Distance, Role Stagnation as Determinants of Job Satisfaction and Turnover Intention in Banking Sector. AB - Purpose: This study examined the relationship of the organizational role stress: Role overload, role self-distance, and role stagnation with job satisfaction and turnover intention with a sample of banking employees in India. Methodology: In this research, we used the RODS scale developed by Prohit and Pareek (2010) for measuring occupational role scale. The reliability of the scale came out to be 0.71. Findings: The majority of employees of all ranks, in both private and public sector banks, suffer from high role stress of all types. It was found that role overload and role stagnation are inversely associated with banking employees' job satisfaction. Private sector bank employees have more role stress and more unsatisfied than employees of public sector banks. Employees Turnover intention was found to be positively impacted by job satisfaction, contrary to many other studies. Possible reasons have been suggested. Job satisfaction was found to play a partial mediating role in the relationship between role overload and turnover intention with 40% mediation. Further, employees with longer tenure (work experience) have less role stress and are more satisfied. Originality: This study is unique in the sense there is hardly any study linking role stress to job satisfaction and turnover intention, specially in Indian context. PMID- 29200555 TI - Erectile Dysfunction: An Underestimated Presentation in Patients with Diabetes Mellitus. AB - Introduction: Erectile dysfunction (ED) is a common complication of diabetes mellitus. ED, like other sexual disorders, is often under-reported and under diagnosed, as talking about sex is considered a taboo in our society. Methodology: All the male patients with diabetes mellitus (with or without active complaints of ED) attending Medicine or Psychiatry OPD of the institute during the study period were enrolled in the study. They were investigated for their body-mass index (BMI), blood sugar and lipid profile; and were assessed on HAM-D, General Health Questionnaire-30, IIEF, sex myth checklist and QOL Instrument for Indian Diabetes Patients (QOLID). Result and Discussion: In the present study, a total of 138 diabetic patients were assessed, and those with severe ED were found to have poor glycemic control, worse lipid profile, higher body mass index, later age of onset, and longer duration of untreated diabetes as compared to non-ED patients. ED patients also scored higher on depression rating scale, had poorer general health and quality of life (QOL). Early attention to ED in diabetic patients can improve general health and QOL of the sufferers. Conclusion: DM patients with poor glycemic control and advanced age have a higher propensity of developing severe ED, which further deteriorates the already compromised health & QOL. PMID- 29200556 TI - Reactions to Psychiatry Referral in Patients Presenting with Physical Complaints to Medical and Surgical Outpatient Services. AB - Background: While it is well known that patients with psychiatric illness feel stigmatized, little is known about the reactions to a psychiatric referral among those who visit general hospital medical and surgical services for their complaints. Materials and Methods: This study assessed the sociodemographic details, psychiatric diagnosis, somatic symptom severity, and interview-based reactions to referral among patients referred to psychiatry services from other departments in a general tertiary hospital in North India. Fifty-nine males and 101 females were assessed over 6 months for this purpose. Results: A majority of patients were diagnosed with a psychiatric disorder and had significant somatic symptom severity. The themes explored were the decision to accept the referral, possibility of the presence of mental illness as signified by a psychiatric diagnosis and factors that enabled or impeded psychiatric treatment seeking. Conclusions: Results indicate that patients did not empower in decision-making, a reluctance to accept the possibility of a psychiatric diagnosis and accept medication and had poor knowledge about psychiatry. Referring clinicians and psychiatrists should be sensitive to patient perceptions so that better care is possible. PMID- 29200557 TI - Stressful and Traumatic Experiences among Women with Alcohol Use Disorders in India. AB - Aim: The aim of the present study was to examine lifetime stressful and traumatic experiences among women with alcohol use disorders (AUDs). Methods: The sample comprised of two groups: a clinical group of 35 women with a diagnosis of AUD and a comparison group of 60 women drawn from the community. After screening out, the participants were administered Life Stressor Checklist-Revised. Results: On an average, clinical group was exposed to 7.57 (standard deviation [SD] = 4.14) stressful events and comparison group was exposed to 4.03 (SD = 2.80) stressful events across the lifespan (t = 4.976; P < 0.001). Clinical group reported a high number of childhood abuse and interpersonal traumas across lifespan than comparison group. The relationship between adverse life experiences and alcohol abuse among women was bidirectional. Conclusion: Understanding the nature and experiences of trauma in this group has implications for planning gender sensitive treatment programs for women seeking help for AUDs in India. PMID- 29200558 TI - Development and Preliminary Testing of the Biopsychosocial Prognosis Scale for Coronary Artery Bypass Grafting. AB - Background: The present study attempted to develop a self-report scale called Biopsychosocial Prognosis Scale for Coronary Artery Bypass grafting (BIPROSCAB) that measured patients' prognosis in an integrated manner, a month after they had undergone coronary artery bypass grafting (CABG). Method: The development and preliminary testing of the psychometric properties of BIPROSCAB followed five phases involving 450 patients in total. Results: Findings gave rise to a 25-item scale which was subjected to an exploratory factor analysis using principal component analysis with varimax rotation. A 9-factor structure emerged, and the factors were named post-CABG affect state, post-CABG anxiety, post-CABG physical pain, discomfort in surgical sites, worry about return to normalcy, discomfort in the leg, CABG bio-social by-products, constraints in socializing, and infection and interference to routine life. The reliability, validity, and usability of BIPROSCAB were also analyzed. Conclusion: BIPROSCAB is a reliable, valid, and useful multidimensional self-report scale for measuring and evaluating the impact of medical treatment and psychosocial intervention in patients after CABG. PMID- 29200559 TI - A Comparative Study of Factors Associated with Relapse in Alcohol Dependence and Opioid Dependence. AB - Background: Alcohol and opiates are among the most addictive substances posing significant public health problems due to the biopsychosocial impact that they have on individuals. Research shows that majority of abstinent alcohol and/or opioid dependence subjects relapse within 1 year. It has also been estimated that 26-36 million people worldwide abuse opiates, with exceptionally high-relapse rates. The purpose of this study was to compare the sociodemographic factors and correlates relapse in alcohol dependence and opioid dependence. Methodology: This research uses a cross-sectional comparative study design with a sample size of 60 drawn from a population of clinically diagnosed patients of alcohol dependence (n = 30) or opioid dependence (n = 30) and seeking treatment for relapse. In addition to collecting sociodemographic data, other factors such as craving, affect, self-efficacy, and expressed emotions were measured using standardized instruments including brief substance craving scale, Bradburn affect balance scale, drug avoidance and self-efficacy scale and family emotional involvement, and conflict scale. The data were statistically analyzed. Results: Disparity in sociodemographic factors was seen in both the groups with opioid group being more likely to be single, unemployed, belonging to lower socioeconomic status, and having a criminal record (P = 0.025). Among factors associated with relapse, the opioid group scored significantly higher on craving, perceived criticism (P = 0.0001), and lower on self-efficacy (P = 0.016). Most common reason cited for relapse in both the groups was desire for positive mood. Conclusion: This study highlights the role of social determinants in drug dependence and relapse. Relapse was found to be a complex multifactorial phenomenon. Despite differences in presentation, somewhat similar relapse mechanisms were seen in both groups. PMID- 29200560 TI - A Cross-sectional Study to Estimate Cardiovascular Risk Factors in Patients with Bipolar Disorder. AB - Background: There is increasing recognition of cardiovascular mortality and comorbidity in bipolar disorder (BD) in the recent times. Framingham 10 years risk of coronary heart disease (CHD) has been a widely accepted as a reliable estimate of cardiovascular risk in the general population. A few studies have estimated the relative risk of developing CHD in BDs, in India. We attempt to present a cross-sectional data from a prospective study to estimate the 10 years cardiovascular risk in BD population. Subjects and Methods: A total of 50 patients with BD aged between 20 and 60 years fulfilling the inclusion and exclusion criteria were enrolled into this study. Demographic variables and clinical evaluations including smoking history, medical and pharmacologic treatment history, physical examination, anthropometric measurements, and clinical laboratories for metabolic profiles were assessed. Using the Framingham 10-year risk questionnaire, the risk for each patient was calculated and compared with that of normal healthy control group. Results: The risk of developing a future cardiovascular event was 3.26% in BD and 2.02% in controls. We identified that a higher age at onset of illness, waist-hip ratio, total cholesterol, and unemployment showed a strong positive correlation with future CHD risk whereas administration of valproate, lithium for management of BD, higher socioeconomic status and educational status, and nonsmokers was associated negatively with the future CHD risk. Conclusions: It appears that there is a significant association between BD and metabolic factors, CHD, sociodemographic variables, and underscores the predictive ability of Framingham risk score in detecting cardiovascular diseases. PMID- 29200561 TI - Efficacy of Adjunctive Single Session Counseling for Medically Unexplained Symptoms: A Randomized Controlled Trial. AB - Context: Medically unexplained symptoms (MUS) are often poorly responsive to standard treatments. Aim: The aim of the study is to assess short-term efficacy of adjunctive single session cognitive behavior therapy (CBT)-based counseling for patients with MUS. Setting and Design: Randomized controlled trial at a psychosomatic clinic of a tertiary care hospital. Materials and Methods: Patients with MUS were randomized to receive either the single session counseling (intervention group) (n = 41) or control group which received treatment as usual (n = 35). The counseling intervention focused on three areas - cognitive reattribution, shifting focus, and guided muscular relaxation and lasted around 30 min. The two groups were assessed at baseline and after 1 month for change in outcome measures. Statistical Analysis Used: Repeated measures analysis of variance. P value was adjusted for multiple comparisons using Bonferroni correction and set at <0.01 for significance. Results: Both groups did not differ on change in the primary outcome measure: Patient Health Questionnaire - 15 scores (P = 0.055). However, at follow-up, the intervention group showed statistically greater reduction in the number of workdays lost (P = 0.005). Trend level changes were noted for depressive symptom reduction only in the intervention group (P = 0.022). Conclusions: One session CBT-based therapy demonstrates potentially important benefits over standard care among Indian patients with MUS. Further testing in larger samples with longer follow-up periods is therefore recommended. PMID- 29200562 TI - Prevalence and Sociodemographic Profile of Lithium-induced Cutaneous Side Effects in Bipolar Affective Disorder Patients: A 1-year Prospective Observational Study in South India. AB - Objectives: Objective in our study is i) To assess the prevalence and sociodemographic profile of cutaneous side effects in bipolar affective disorder patients (BPAD) on lithium. ii) To assess the course of pre-existing skin reactions, when patient is initiated on lithium therapy. Methods: Lithium induced cutaneous side effects were assessed at baseline and monthly for 6 months followed by every 2 months over a year. Dermatologist opinion obtained to diagnose and treat for each patient who developed cutaneous side effects. Data were analyzed in percentage. Results: The prevalence of lithium induced cutaneous side effects in our study is 38.46%. On analyzing the individual subtype of cutaneous lesions, acneiform eruption and hairfall were most common. The cutaneous adverse reactions on lithium are more common in early adulthood than in the late adulthood and geriatric age group and among the subtypes of skin lesion acneiform eruptions are more common among males than in females. On analyzing the course of pre-existing lesions, severe alopecia developed with pre-existing systemic lupus erythematosis. Conclusion: These novel finding indicate that prevalence of lithium induced cutaneous side effects continues to be high. Hence, clinician should educate the patients before initiating lithium to improve attrition rate. PMID- 29200563 TI - Problems of Face Recognition in Patients with Behavioral Variant Frontotemporal Dementia. AB - Introduction: Faces are very special as they are most essential for social cognition in humans. It is partly understood that face processing in its abstractness involves several extra striate areas. One of the most important causes for caregiver suffering in patients with anterior dementia is lack of empathy. This apart from being a behavioral disorder could be also due to failure to categorize the emotions of the people around them. Patients and Methods: Inlusion criteria: DSM IV for Bv FTD Tested for prosopagnosia - familiar faces, famous face, smiling face, crying face and reflected face using a simple picture card (figure 1). Exclusion Criteria: Advanced illness and mixed causes. Observations: 46 patients (15 females, 31 males) 24 had defective face recognition. (mean age 51.5),10/15 females (70%) and 14/31males(47. Familiar face recognition defect was found in 6/10 females and 6/14 males. Total- 40%(6/15) females and 19.35%(6/31)males with FTD had familiar face recognition. Famous Face: 9/10 females and 7/14 males. Total- 60% (9/15) females with FTD had famous face recognition defect as against 22.6%(7/31) males with FTD Smiling face defects in 8/10 female and no males. Total- 53.33% (8/15) females. Crying face recognition defect in 3/10 female and 2 /14 males. Total- 20%(3/15) females and 6.5%(2/31) males. Reflected face recognition defect in 4 females. Results: Famous face recognition and positive emotion recognition defect in 80%, only 20% comprehend positive emotions, Face recognition defects are found in only 45% of males and more common in females. Conclusion: Face recognition is more affected in females with FTD There is differential involvement of different aspects of the face recognition could be one of the important factor underlying decline in the emotional and social behavior of these patients. Understanding these pathological processes will give more insight regarding patient behavior. PMID- 29200564 TI - Family Loading and Morbidity Risk of Attention-deficit Hyperactivity Disorder in Patients with Alcohol-dependence Syndrome. AB - Background: Attention-deficit hyperactivity disorder (ADHD) and substance-use disorders often co-occur. Aim: Aim of this study was to look at the family loading of ADHD (in adults and children) in patients with alcohol-dependence syndrome (ADS) along with the estimation of morbidity risk (MR) for developing ADHD. Methods: Thirty-five male patients with ADS along with their 369 first degree relatives (FDRs) - both children and adults - were recruited. Results: ADHD and residual ADD (ADDRT) were significantly more common in the early-onset (EO) ADS group and their FDR. In ADHD children, high MR (27.27%) for developing EO of ADS was noted. Discussion: Findings from this study raise an avenue for research in the Indian population about the shared risk between ADS and ADHD. PMID- 29200565 TI - Can We Call It "Stinky-finger Syndrome?" AB - Many accounts refer to insertion of finger into anus mostly for gratification from stimulation of prostate gland, but index case Mr. M. continued doing this to get rid of constipation that eventually led to feelings of guilt, stinky fingers, not able to defecate normally, and dysphoric emotions. Further research is needed to find out the phenomenology of this condition. PMID- 29200566 TI - Opioid Withdrawal Presenting as Delirium and Role of Buprenorphine: A Case Series. AB - Opioid withdrawal is very rarely characterized by delirium unlike alcohol or benzodiazepine withdrawal. PubMed search through October 2016 reveals only two case series on delirium as feature of withdrawal in opioid dependence syndrome. We report two cases of opioid withdrawal (heroin) presenting with delirium when low-dose buprenorphine (2 mg/day) was added. Both the cases had no other substance abuse history and nil contributory past and family history. Both of them were improved after increasing the buprenorphine dosage to 6-8 mg/day. The possibility of delirium as a part of withdrawal symptom or as a phenomenon induced by buprenorphine or due to impurities in the heroin used is discussed. PMID- 29200567 TI - The Menacing Side of Valproate: A Case Series of Valproate-induced Hyperammonemia. AB - Valproate (VPA) is a well-tolerated and commonly used drug to treat variety of psychiatric and neurological disorders. VPA-induced hyperammonemic encephalopathy is a rare adverse effect which can commonly occur in the background of normal liver function and therapeutic serum levels. Any delay in treatment of VPA induced hyperammonemic encephalopathy can lead to life-threatening coma thus a strong clinical suspicion, fair understanding of the pathophysiology, and management of this drug-related complication can prevent fatal outcome. We hereby report a series of cases admitted to a tertiary care center that developed hyperammonemia and all patients recovered on stopping VPA. This case series cautions the clinicians about hyperammonemia as an uncommon but highly plausible life-threatening side effect, emphasizing astute observation, and high degree of clinical suspicion to prevent mortality and limit morbidity. Early recognition of subtle gastrointestinal, cognitive, and behavioral signs can lead to immediate intervention with satisfying results. PMID- 29200568 TI - A Serial Munchausen Syndrome by Proxy. AB - Munchausen syndrome by proxy (MSBP) is a form of child abuse that describes children whose parents or caregivers invent illness stories and substantiate the stories by fabricating false physical signs. Through this case report, a serial MSBP case is presented along with psychiatric evaluation of the perpetrator mother who was sent to the Forensic Psychiatric Observation Department of the Council of Forensic Medicine to assess whether she has any mental disorder. Although there are several studies on MSBP, we present this case because the perpetrator mother was caught on the camera surveillance system of the hospital while closing the nose and mouth of the victim for fabricating the illness, and she also said that she had done the same thing to her two elder children to exclude their illnesses. Her two children had died and could not be diagnosed. Moreover, we discuss the psychopathology of the perpetrators, which is a less known area of MSBP. This is a very serious form of child abuse, with a high risk of repetition, and failure to diagnose might result in the death of the child. PMID- 29200570 TI - Clozapine-induced Acute Hypertriglyceridemia. AB - The aim of this study is to highlight the association between the use of clozapine and the early development of hypertriglyceridemia, a condition that substantially increases the risk of cardiovascular events and other medical complications. A 34-year-old female with a background history of schizophrenia presented with acute elevation of serum triglycerides and cholesterol within 2 weeks of starting clozapine. Her metabolic parameters normalized following discontinuation of clozapine. Possible hypotheses for lipid dysregulation with atypical antipsychotics include weight gain, dietary changes, and development of glucose intolerance; however, some other factors may be responsible for this rapid escalation of lipid levels. Lipid and metabolic profiles should be closely monitored in patients receiving clozapine to facilitate early detection and intervention to prevent further health complications. PMID- 29200569 TI - Misidentification of Wilson Disease as Schizophrenia (1998-2013): Case Report and Review. AB - Wilson's disease (WD) is a neurodegenerative disorder due to copper metabolism. Schizophrenia-like psychosis and delusional disorder are rare forms of psychiatric manifestations of WD. The lack of recognition of these signs and symptoms as being attributable to WD often leads to delays in diagnosis and management. Knowledge about relationship of the psychiatric manifestations to WD can help with the administration of adequate management aimed at both the psychiatric issues and underlying WD. The objectives of this article are to review case reports whose subject is the incorrect diagnosis of schizophrenia or schizophrenia-like syndrome in patients with WD and to detail one case of this mismanagement of the disease. A 35-year-old unmarried Iranian woman presented to the consulting psychiatrist in the emergency room after a suicide attempt due to commanding auditory hallucination. She had previous eleven admissions in psychiatric hospital with major depressive episode with psychotic features, schizoaffective disorders, and then schizophrenia diagnosis. Nineteen years after her first symptoms, it was discovered that the patient was suffering from WD. We searched Google Scholar, Ovid, PsycINFO, CINHAL, and PubMed databases from 1985 to 2015. Finally, 14 researches were entered into the study. Psychiatric manifestations may precede the diagnosis of WD and other symptoms related to neurological or hepatic impairment. Early detection of WD is important to prevent catastrophic outcome. Young patients presenting with psychiatric presentations along with abnormal movement disorder, seizure, or conversion-like symptoms should be evaluate for WD even if signs and symptoms are typically suggestive of schizophrenia or manic episode. An interdisciplinary approach with good collaboration of psychiatrists and neurologists is crucial for WD because early diagnosis and management without delay is an important for good prognosis. PMID- 29200571 TI - Adolescent-onset X-linked Adrenoleukodystrophy Presenting as Treatment-resistant Bipolar Disorder. AB - A small proportion of bipolar disorder of adolescent onset can be secondary to underlying neurological disorder (secondary mania). We report a case of treatment resistant mania secondary to cerebral form of adrenoleukodystrophy of adolescent onset. This case demonstrates the need for clinicians to be alert to the possibility of rare neurological diseases that can present with psychiatric manifestations. PMID- 29200572 TI - A Case of Carbamazepine-induced Severe Cholestatic Hepatitis: Case Report and Review of Literature. AB - Carbamazepine (CBZ) is one of the widely prescribed drugs in the field of neuropsychiatry. We report a case of a 27-year-old female patient presenting with severe cholestatic hepatitis presenting after the initiation of CBZ. We establish the probability of drug-induced liver injury using Council for International Organizations of Medical Sciences/Roussel Uclaf Causality Assessment Method causality assessment scale, and the patient had high probability with a score of 9. We briefly review the literature in this field discussing the scope of the problem, etiopathogenesis, clinical manifestation, course, and management. PMID- 29200573 TI - Neural Effects of Transcranial Direct Current Stimulation in Schizophrenia: A Case Study using Functional Near-infrared Spectroscopy. AB - Schizophrenia is a severe neuropsychiatric disorder characterized by delusions, hallucinations, behavioral symptoms, and cognitive deficits. Roughly, 70%-80% of schizophrenia patients experience auditory verbal hallucinations (AVHs), with 25% 30% demonstrating resistance to conventional antipsychotic medications. Studies suggest a promising role for add-on transcranial direct current stimulation (tDCS) in the treatment of medication-refractory AVHs. The mechanisms through which tDCS could be therapeutic in such cases are unclear, but possibly involve neuroplastic effects. In recent years, functional near-infrared spectroscopy (fNIRS) has been used successfully to study tDCS-induced neuroplastic changes. In a double-blind, sham-controlled design, we applied fNIRS to measure task dependent cerebral blood flow (CBF) changes as a surrogate outcome of single session tDCS-induced effects on neuroplasticity in a schizophrenia patient with persistent auditory hallucinations. The observations are discussed in this case report. PMID- 29200574 TI - Baclofen Overdose Presenting as Psychosis with Catatonia. AB - Baclofen is a centrally acting gamma-aminobutyric acid receptor agonist with many therapeutic uses in neurology and psychiatry. An overdose of baclofen is known to cause serious side effects such as encephalopathy, seizures, respiratory depression, and delirium. Association of baclofen with psychosis has also been reported. In this case report, we are highlighting the manifestation of catatonic features in addition to psychosis following baclofen overdose. PMID- 29200575 TI - Are we Overdiagnosing Bipolar Disorder? AB - Bipolar disorder (BD) is an established diagnostic entity used by clinicians for over a century. It is distinguished by the distinct manic and depressive episodes with interepisode euthymia. It has an illness course where both recovery and recurrences are a rule and has a good long-term prognosis, as reported earlier by Emil Kraeplin. There is an opinion in the current literature that BD is often underdiagnosed as unipolar depression, and based on that opinion, spectrum concept was introduced. Here, we present 5 cases to highlight that overdiagnosis of BD is also not infrequent and we discuss its reasons and therapeutic implications. PMID- 29200576 TI - Digital Platforms for Mental Health-care Delivery. AB - Mental, neurological, and substance abuse disorders cause huge burden. The available resources to tackle the huge burden are insufficient, inequitably distributed, and inefficiently used, which results in a large majority of people with these disorders receiving no care at all. Advances in technology can be used to address the concerns. At present, technology is utilized in online psychological interventions and mobile apps in the United States of America and United Kingdom. In India, technological advances are utilized in telemental health, mobile apps, software aiding psychological assessment and retraining, training for mental health professionals, and information delivery to general public. Although this would be cost effective, digital divide, ethical and legal issues have to be addressed for better penetration of the health technologies to the persons in need. PMID- 29200577 TI - Unguided Mental Health Self-help Apps: Reflections on Challenges through a Clinician's Lens. AB - The past one decade has witnessed a boom in the availability of Internet-based self-help apps in the field of mental health. Several apps have emerged that aim to provide information and strategies to empower individuals with self-help approaches to deal with issues and concerns related to mental health. A large number of these apps in developing countries are likely to be those which depend entirely on the users to go over the self-help program on their own (unguided internet-based self-help). Only a few apps add a component of periodic professional contact/technical support through phone/email or other means to supplement the self-help strategies suggested in the app that the user is expected to utilize. This scenario poses several challenges in use of unguided self-help apps for mental health. This paper enumerates some of these challenges for potential users of the apps from the perspective of clinicians. These range from difficulties in choosing the right app, limited scope for contextualization, and motivation management to awareness about when to step up to a higher intensity intervention. Despite these challenges, unguided self-help apps can serve important purposes, and hence we propose a few recommendations to address such challenges. PMID- 29200578 TI - Gender Differences in the 5 Years Course of Bipolar Disorder after a First Manic Episode: A Retrospective Review. PMID- 29200579 TI - Biomarkers in autism spectrum disorders: An illusion or promising reality? PMID- 29200580 TI - Disability Certification in India: Indian Disability Evaluation and Assessment Scale versus World Health Organization Disability Assessment Schedule. PMID- 29200581 TI - Cholesterol and Mental Health: A Balanced Perspective. PMID- 29200582 TI - The "EMIC" and "ETIC" Models: Two Equally Important Insight Assessments in Psychosis. PMID- 29200583 TI - Lurasidone-induced Oculogyric Crisis. PMID- 29200584 TI - The multi-stripe travelling salesman problem. AB - In the classical Travelling Salesman Problem (TSP), the objective function sums the costs for travelling from one city to the next city along the tour. In the q stripe TSP with [Formula: see text], the objective function sums the costs for travelling from one city to each of the next q cities in the tour. The resulting q-stripe TSP generalizes the TSP and forms a special case of the quadratic assignment problem. We analyze the computational complexity of the q-stripe TSP for various classes of specially structured distance matrices. We derive NP hardness results as well as polynomially solvable cases. One of our main results generalizes a well-known theorem of Kalmanson from the classical TSP to the q stripe TSP. PMID- 29200585 TI - Surface hydrophobicity and acidity effect on alumina catalyst in catalytic methanol dehydration reaction. AB - BACKGROUND: Methanol to dimethyl ether (MTD) is considered one of the main routes for the production of clean bio-fuel. The effect of copper loading on the catalytic performance of different phases of alumina that formed by calcination at two different temperatures was examined for the dehydration of methanol to dimethyl ether (DME). RESULTS: A range of Cu loadings of (1, 2, 4, 6, 10 and 15% Cu wt/wt) on Al2O3 calcined at 350 and 550 degrees C were prepared and characterized by TGA, XRD, BET, NH3-TPD, TEM, H2-TPR, SEM, EDX, XPS and DRIFT Pyridine techniques. The prepared catalysts were used in a fixed bed reactor under reaction conditions in which the temperature ranged from 180-300 degrees C with weight hourly space velocity (WHSV) = 12.1 h-1. It was observed that all catalysts calcined at 550 degrees C (gamma-Al2O3 support phase) exhibited higher activity than those calcined at 350 degrees C (gamma-AlOOH), and this is due to the phase support change. Furthermore, the optimum Cu loading was found to be 6% Cu/gamma-Al2O3 with this catalyst also showing a high degree of stability under steady state conditions and this is attributed to the enhancement in surface acidity and hydrophobicity. CONCLUSION: The addition of copper to the support improved the catalyst properties and activity. For all the copper modified catalysts, the optimum catalyst with high degree of activity and stability was 6% copper loaded on gamma alumina. (c) 2017 The Authors. Journal of Chemical Technology & Biotechnology published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. PMID- 29200586 TI - Gas diffusion electrodes improve hydrogen gas mass transfer for a hydrogen oxidizing bioanode. AB - Background: Bioelectrochemical systems (BESs) are capable of recovery of metals at a cathode through oxidation of organic substrate at an anode. Recently, also hydrogen gas was used as an electron donor for recovery of copper in BESs. Oxidation of hydrogen gas produced a current density of 0.8 A m-2 and combined with Cu2+ reduction at the cathode, produced 0.25 W m-2. The main factor limiting current production was the mass transfer of hydrogen to the biofilm due to the low solubility of hydrogen in the anolyte. Here, the mass transfer of hydrogen gas to the bioanode was improved by use of a gas diffusion electrode (GDE). Results: With the GDE, hydrogen was oxidized to produce a current density of 2.9 A m-2 at an anode potential of -0.2 V. Addition of bicarbonate to the influent led to production of acetate, in addition to current. At a bicarbonate concentration of 50 mmol L-1, current density increased to 10.7 A m-2 at an anode potential of -0.2 V. This increase in current density could be due to oxidation of formed acetate in addition to oxidation of hydrogen, or enhanced growth of hydrogen oxidizing bacteria due to the availability of acetate as carbon source. The effect of mass transfer was further assessed through enhanced mixing and in combination with the addition of bicarbonate (50 mmol L-1) current density increased further to 17.1 A m-2. Conclusion: Hydrogen gas may offer opportunities as electron donor for bioanodes, with acetate as potential intermediate, at locations where excess hydrogen and no organics are available. (c) 2017 The Authors. Journal of Chemical Technology & Biotechnology published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. PMID- 29200587 TI - Impact of Teacher Value Orientations on Student Learning in Physical Education. AB - Based on the value orientation theory, the purpose of this study was to determine the impact of value orientation incongruence between physical education teachers and an externally designed curriculum on student learning in a concept-based fitness-centered physical education curriculum. Physical education teachers (n = 15) with different value orientations taught an externally designed, standards based fitness/healthful living curriculum to their middle school students (n = 3,827) in 155 sixth, seventh, and eighth grade intact classes. A pre-post assessment design was used to determine whether student fitness/healthful living knowledge gains differed in terms of teachers' value orientations. An ANOVA on class means of residual-adjusted knowledge gain scores revealed no statistically significant differences based on value orientations. The evidence suggests that teacher value orientation impact may be mediated by curriculum impact. This finding supports the observation that a well-designed physical education curriculum may minimize the impact of teachers' diverse value orientations on the curriculum implementation and student learning. PMID- 29200588 TI - Characterizing healthy and osteoarthritic knee cartilage on phase contrast CT with geometric texture features. AB - The current approach to evaluating cartilage degeneration at the knee joint requires visualization of the joint space on radiographic images where indirect cues such as joint space narrowing serve as markers for osteoarthritis. A recent novel approach to visualizing the knee cartilage matrix using phase contrast imaging (PCI) with computed tomography (CT) was shown to allow direct examination of chondrocyte patterns and their subsequent correlation to osteoarthritis. This study aims to characterize chondrocyte cell patterns in the radial zone of the knee cartilage matrix in the presence and absence of osteoarthritic damage through texture analysis. Statistical features derived from gray-level co occurrence matrices (GLCM) and geometric features derived from the Scaling Index Method (SIM) were extracted from 404 regions of interest (ROI) annotated on PCI images of healthy and osteoarthritic specimens of knee cartilage. These texture features were then used in a machine learning task to classify ROIs as healthy or osteoarthritic. A fuzzy k-nearest neighbor classifier was used and its performance was evaluated using the area under the Receiver Operating Characteristic (ROC) curve (AUC). The best classification performance was observed with high-dimensional geometrical feature vectors derived from SIM and GLCM correlation features. With the experimental conditions used in this study, both SIM and GLCM achieved a high classification performance (AUC value of 0.98) in the task of distinguishing between healthy and osteoarthritic ROIs. These results show that such quantitative analysis of chondrocyte patterns in the knee cartilage matrix can distinguish between healthy and osteoarthritic tissue with high accuracy. PMID- 29200589 TI - The effect of elastic modulus on ablation catheter contact area. AB - Cardiac ablation consists of navigating a catheter into the heart and delivering RF energy to electrically isolate tissue regions that generate or propagate arrhythmia. Besides the challenges of accurate and precise targeting of the arrhythmic sites within the beating heart, limited information is currently available to the cardiologist regarding intricate electrode-tissue contact, which directly impacts the quality of produced lesions. Recent advances in ablation catheter design provide intra-procedural estimates of tissue-catheter contact force, but the most direct indicator of lesion quality for any particular energy level and duration is the tissue-catheter contact area, and that is a function of not only force, but catheter pose and material elasticity as well. In this experiment, we have employed real-time ultrasound (US) imaging to determine the complete interaction between the ablation electrode and tissue to accurately estimate contact, which will help to better understand the effect of catheter pose and position relative to the tissue. By simultaneously recording tracked position, force reading and US image of the ablation catheter, the differing material properties of polyvinyl alcohol cryogel[1] phantoms are shown to produce varying amounts of tissue depression and contact area (implying varying lesion quality) for equivalent force readings. We have shown that the elastic modulus significantly affects the surface-contact area between the catheter and tissue at any level of contact force. Thus we provide evidence that a prescribed level of catheter force may not always provide sufficient contact area to produce an effective ablation lesion in the prescribed ablation time. PMID- 29200590 TI - Characterizing Trabecular Bone structure for Assessing Vertebral Fracture Risk on Volumetric Quantitative Computed Tomography. AB - While the proximal femur is preferred for measuring bone mineral density (BMD) in fracture risk estimation, the introduction of volumetric quantitative computed tomography has revealed stronger associations between BMD and spinal fracture status. In this study, we propose to capture properties of trabecular bone structure in spinal vertebrae with advanced second-order statistical features for purposes of fracture risk assessment. For this purpose, axial multi-detector CT (MDCT) images were acquired from 28 spinal vertebrae specimens using a whole-body 256-row CT scanner with a dedicated calibration phantom. A semi-automated method was used to annotate the trabecular compartment in the central vertebral slice with a circular region of interest (ROI) to exclude cortical bone; pixels within were converted to values indicative of BMD. Six second-order statistical features derived from gray-level co-occurrence matrices (GLCM) and the mean BMD within the ROI were then extracted and used in conjunction with a generalized radial basis functions (GRBF) neural network to predict the failure load of the specimens; true failure load was measured through biomechanical testing. Prediction performance was evaluated with a root-mean-square error (RMSE) metric. The best prediction performance was observed with GLCM feature 'correlation' (RMSE = 1.02 +/- 0.18), which significantly outperformed all other GLCM features (p < 0.01). GLCM feature correlation also significantly outperformed MDCT-measured mean BMD (RMSE = 1.11 +/- 0.17) (p < 10-4). These results suggest that biomechanical strength prediction in spinal vertebrae can be significantly improved through characterization of trabecular bone structure with GLCM-derived texture features. PMID- 29200591 TI - Investigating the use of mutual information and non-metric clustering for functional connectivity analysis on resting-state functional MRI. AB - Functional MRI (fMRI) is currently used to investigate structural and functional connectivity in human brain networks. To this end, previous studies have proposed computational methods that involve assumptions that can induce information loss, such as assumed linear coupling of the fMRI signals or requiring dimension reduction. This study presents a new computational framework for investigating the functional connectivity in the brain and recovering network structure while reducing the information loss inherent in previous methods. For this purpose, pair-wise mutual information (MI) was extracted from all pixel time series within the brain on resting-state fMRI data. Non-metric topographic mapping of proximity (TMP) data was subsequently applied to recover network structure from the pair wise MI analysis. Our computational framework is demonstrated in the task of identifying regions of the primary motor cortex network on resting state fMRI data. For ground truth comparison, we also localized regions of the primary motor cortex associated with hand movement in a task-based fMRI sequence with a finger tapping stimulus function. The similarity between our pair-wise MI clustering results and the ground truth is evaluated using the dice coefficient. Our results show that non-metric clustering with the TMP algorithm, as performed on pair-wise MI analysis, was able to detect the primary motor cortex network and achieved a dice coefficient of 0.53 in terms of overlap with the ground truth. Thus, we conclude that our computational framework can extract and visualize valuable information concerning the underlying network structure between different regions of the brain in resting state fMRI. PMID- 29200592 TI - Reduction of Beam Hardening Artifacts in Cone-Beam CT Imaging via SMART-RECON Algorithm. AB - When an automatic exposure control is introduced in C-arm cone beam CT data acquisition, the spectral inconsistencies between acquired projection data are exacerbated. As a result, conventional water/bone correction schemes are not as effective as in conventional diagnostic x-ray CT acquisitions with a fixed tube potential. In this paper, a new method was proposed to reconstruct several images with different degrees of spectral consistency and thus different levels of beam hardening artifacts. The new method relies neither on prior knowledge of the x ray beam spectrum nor on prior compositional information of the imaging object. Numerical simulations were used to validate the algorithm. PMID- 29200593 TI - Noise characteristics of CT perfusion imaging: How does noise propagate from source images to final perfusion maps? AB - Cerebral CT perfusion (CTP) imaging is playing an important role in the diagnosis and treatment of acute ischemic strokes. Meanwhile, the reliability of CTP-based ischemic lesion detection has been challenged due to the noisy appearance and low signal-to-noise ratio of CTP maps. To reduce noise and improve image quality, a rigorous study on the noise transfer properties of CTP systems is highly desirable to provide the needed scientific guidance. This paper concerns how noise in the CTP source images propagates to the final CTP maps. Both theoretical deviations and subsequent validation experiments demonstrated that, the noise level of background frames plays a dominant role in the noise of the cerebral blood volume (CBV) maps. This is in direct contradiction with the general belief that noise of non-background image frames is of greater importance in CTP imaging. The study found that when radiation doses delivered to the background frames and to all non-background frames are equal, lowest noise variance is achieved in the final CBV maps. This novel equality condition provides a practical means to optimize radiation dose delivery in CTP data acquisition: radiation exposures should be modulated between background frames and non background frames so that the above equality condition is satisinAed. For several typical CTP acquisition protocols, numerical simulations and in vivo canine experiment demonstrated that noise of CBV can be effectively reduced using the proposed exposure modulation method. PMID- 29200594 TI - Mask free Intravenous 3D Digital Subtraction Angiography (IV 3D-DSA) from a single C-arm acquisition. AB - Currently, clinical acquisition of IV 3D-DSA requires two separate scans: one mask scan without contrast medium and a filled scan with contrast injection. Having two separate scans adds radiation dose to the patient and increases the likelihood of suffering inadvertent patient motion induced mis-registration and the associated mis-registraion artifacts in IV 3D-DSA images. In this paper, a new technique, SMART-RECON is introduced to generate IV 3D-DSA images from a single Cone Beam CT (CBCT) acquisition to eliminate the mask scan. Potential benefits of eliminating mask scan would be: (1) both radiation dose and scan time can be reduced by a factor of 2; (2) intra-sweep motion can be eliminated; (3) inter-sweep motion can be mitigated. Numerical simulations were used to validate the algorithm in terms of contrast recoverability and the ability to mitigate limited view artifacts. PMID- 29200595 TI - Increasing Safety of a Robotic System for Inner Ear Surgery Using Probabilistic Error Modeling Near Vital Anatomy. AB - Safe and effective planning for robotic surgery that involves cutting or ablation of tissue must consider all potential sources of error when determining how close the tool may come to vital anatomy. A pre-operative plan that does not adequately consider potential deviations from ideal system behavior may lead to patient injury. Conversely, a plan that is overly conservative may result in ineffective or incomplete performance of the task. Thus, enforcing simple, uniform-thickness safety margins around vital anatomy is insufficient in the presence of spatially varying, anisotropic error. Prior work has used registration error to determine a variable-thickness safety margin around vital structures that must be approached during mastoidectomy but ultimately preserved. In this paper, these methods are extended to incorporate image distortion and physical robot errors, including kinematic errors and deflections of the robot. These additional sources of error are discussed and stochastic models for a bone-attached robot for otologic surgery are developed. An algorithm for generating appropriate safety margins based on a desired probability of preserving the underlying anatomical structure is presented. Simulations are performed on a CT scan of a cadaver head and safety margins are calculated around several critical structures for planning of a robotic mastoidectomy. PMID- 29200596 TI - Detecting Altered connectivity patterns in HIV associated neurocognitive impairment using Mutual Connectivity Analysis. AB - The use of functional Magnetic Resonance Imaging (fMRI) has provided interesting insights into our understanding of the brain. In clinical setups these scans have been used to detect and study changes in the brain network properties in various neurological disorders. A large percentage of subjects infected with HIV present cognitive deficits, which are known as HIV associated neurocognitive disorder (HAND). In this study we propose to use our novel technique named Mutual Connectivity Analysis (MCA) to detect differences in brain networks in subjects with and without HIV infection. Resting state functional MRI scans acquired from 10 subjects (5 HIV+ and 5 HIV-) were subject to standard pre-processing routines. Subsequently, the average time-series for each brain region of the Automated Anatomic Labeling (AAL) atlas are extracted and used with the MCA framework to obtain a graph characterizing the interactions between them. The network graphs obtained for different subjects are then compared using Network-Based Statistics (NBS), which is an approach to detect differences between graphs edges while controlling for the family-wise error rate when mass univariate testing is performed. Applying this approach on the graphs obtained yields a single network encompassing 42 nodes and 65 edges, which is significantly different between the two subject groups. Specifically connections to the regions in and around the basal ganglia are significantly decreased. Also some nodes corresponding to the posterior cingulate cortex are affected. These results are inline with our current understanding of pathophysiological mechanisms of HIV associated neurocognitive disease (HAND) and other HIV based fMRI connectivity studies. Hence, we illustrate the applicability of our novel approach with network-based statistics in a clinical case-control study to detect differences connectivity patterns. PMID- 29200597 TI - Plasma Fibulin-3 as a Potential Biomarker for Patients with Asbestos-Related Diseases in the Han Population. AB - Fibulin-3 has been reported as a potential biomarker for mesothelioma. However, little is known about the diagnostic efficacies of fibulin-3 for asbestos-related diseases (ARDs) in China. This study was to investigate the utility of fibulin-3 for asbestos exposure and ARDs. A total of 430 subjects were recruited from Southeast China, including healthy individuals, asbestos-exposed (AE) individuals, and patients with pleural plaques (PP), asbestosis, and malignant pleural mesothelioma (MPM). Plasma fibulin-3 was measured using the enzyme-linked immunosorbent assay. Linear regression analyses were applied to explore the influencing factors of fibulin-3. Receiver operating characteristic curves were used to determine the cutoff values. The median fibulin-3 level of subjects in the mesothelioma group was higher than that in other groups. Subjects in the asbestosis group had higher median fibulin-3 level than those in the control group. A higher fibulin-3 level was found in the group with >=10 years of asbestos exposure as compared with control groups. The AUCs of fibulin-3 for distinguishing MPM subjects from control, AE, PP, and asbestosis subjects were 0.92, 0.88, 0.90, and 0.81, respectively. Our study provided evidence that fibulin-3 could be a potential biomarker for the early screening of MPM, but not of other nonmalignant ARDs in Chinese populations. PMID- 29200598 TI - Vitamin D Status, Disease Activity, and Endothelial Dysfunction in Early Rheumatoid Arthritis Patients. AB - Cardiovascular diseases represent important complications in rheumatoid arthritis (RA) patients, generated by an accelerated atherosclerosis. The aim of this study is represented by the assessment of the correlations between serum levels of vitamin D, disease activity, and endothelial dysfunction in patients with early RA. Material and Methods. The study was performed on a group of 35 patients with early RA and 35 healthy subjects matched for age and gender, as controls. In all studied subjects, the following were determined: inflammatory markers, insulin resistance, vitamin D levels, and endothelial dysfunction. Statistical analysis were performed using the Student's t-test and the Pearson's test. p values of less than 0.05 were considered statistically significant. Results. The group of patients with RA patients presented inflammation, low levels of vitamin D, elevated insulin resistance, and reduced flow-mediated vasodilation, statistically significant compared to the control group (p < 0.00001). Significant inverse correlations between the levels of 25(OH) vitamin D and DAS28, respective insulin resistance, and significant positive correlation between 25(OH) vitamin D and endothelial function were demonstrated. Conclusion. In early RA patients with moderate and high disease activity, low serum levels of vitamin D were associated with disease activity, increased insulin resistance, and endothelial dysfunction. PMID- 29200600 TI - Simultaneous treatment of unspecified heteroskedastic model error distribution and mismeasured covariates for restricted moment models. AB - We develop consistent and efficient estimation of parameters in general regression models with mismeasured covariates. We assume the model error and covariate distributions are unspecified, and the measurement error distribution is a general parametric distribution with unknown variance-covariance. We construct root-n consistent, asymptotically normal and locally efficient estimators using the semiparametric efficient score. We do not estimate any unknown distribution or model error heteroskedasticity. Instead, we form the estimator under possibly incorrect working distribution models for the model error, error-prone covariate, or both. Empirical results demonstrate robustness to different incorrect working models in homoscedastic and heteroskedastic models with error-prone covariates. PMID- 29200599 TI - Expression Levels and Localizations of DVL3 and sFRP3 in Glioblastoma. AB - The expression patterns of critical molecular components of Wnt signaling, sFRP3 and DVL3, were investigated in glioblastoma, the most aggressive form of primary brain tumors, with the aim to offer potential biomarkers. The protein expression levels and localizations in tumor tissue were revealed by immunohistochemistry and evaluated by the semiquantitative method and immunoreactivity score. Majority of glioblastomas had moderate expression levels for both DVL3 (52.4%) and sFRP3 (52.3%). Strong expression levels were observed in 23.1% and 36.0% of samples, respectively. DVL3 was localized in cytoplasm in 97% of glioblastomas, of which 44% coexpressed the protein in the nucleus. sFRP3 subcellular distribution showed that it was localized in the cytoplasm in 94% of cases. Colocalization in the cytoplasm and nucleus was observed in 50% of samples. Wilcox test indicated that the domination of the strong signal is in connection with simultaneous localization of DVL3 protein in the cytoplasm and the nucleus. Patients with strong expression of DVL3 will significantly more often have the protein in the nucleus (P = 6.33 * 10-5). No significant correlation between the two proteins was established, nor were their signal strengths correlated with epidemiological parameters. Our study contributes to better understanding of glioblastoma molecular profile. PMID- 29200601 TI - Response of Brassica oleracea to temporal variation in attack by two herbivores affects preference and performance of a third herbivore. AB - 1. Plants are frequently under attack by multiple insect herbivores, which may interact indirectly through herbivore-induced changes in the plant's phenotype. The identity, order, and timing of herbivore arrivals may influence the outcome of interactions between two herbivores. How these aspects affect, in turn, subsequently arriving herbivores that feed on double herbivore-induced plants has not been widely investigated. 2. This study tested whether the order and timing of arrival of two inducing herbivores from different feeding guilds affected the preference and performance of a subsequently arriving third herbivore, caterpillars of Mamestra brassicae L. (Lepidoptera: Noctuidae). Aphids [Brevicoryne brassicae L. (Hemiptera: Aphididae)] and caterpillars [Plutella xylostella L. (Lepidoptera: Yponomeutidae)] were introduced onto wild Brassica oleracea L. (Brassicaceae) plants in different sequences and with different arrival times. The effects of these plant treatments on M. brassicae caterpillars were assessed in pairwise preference tests and no-choice performance tests. 3. The caterpillars of M. brassicae preferred to feed from undamaged plants rather than double herbivore-induced plants. Compared with undamaged plants, they preferred plant material on which aphids had arrived first followed by caterpillars, whereas they avoided plant material with the reverse order of herbivore arrival. Performance of the caterpillars increased with increasing arrival time between herbivore infestations in double herbivore-induced plants. Although M. brassicae grew faster on plants induced by aphids than on those induced by caterpillars alone, its performance was not affected by the order of previous herbivore arrival. 4. These results imply that the timing of colonisation by multiple herbivores determines the outcome of plant-mediated herbivore-herbivore interactions. PMID- 29200602 TI - Does similarity in call structure or foraging ecology explain interspecific information transfer in wild Myotis bats? AB - Abstract: Animals can gain important information by attending to the signals and cues of other animals in their environment, with acoustic information playing a major role in many taxa. Echolocation call sequences of bats contain information about the identity and behaviour of the sender which is perceptible to close-by receivers. Increasing evidence supports the communicative function of echolocation within species, yet data about its role for interspecific information transfer is scarce. Here, we asked which information bats extract from heterospecific echolocation calls during foraging. In three linked playback experiments, we tested in the flight room and field if foraging Myotis bats approached the foraging call sequences of conspecifics and four heterospecifics that were similar in acoustic call structure only (acoustic similarity hypothesis), in foraging ecology only (foraging similarity hypothesis), both, or none. Compared to the natural prey capture rate of 1.3 buzzes per minute of bat activity, our playbacks of foraging sequences with 23-40 buzzes/min simulated foraging patches with significantly higher profitability. In the flight room, M. capaccinii only approached call sequences of conspecifics and of the heterospecific M. daubentonii with similar acoustics and foraging ecology. In the field, M. capaccinii and M. daubentonii only showed a weak positive response to those two species. Our results confirm information transfer across species boundaries and highlight the importance of context on the studied behaviour, but cannot resolve whether information transfer in trawling Myotis is based on acoustic similarity only or on a combination of similarity in acoustics and foraging ecology. Significance statement: Animals transfer information, both voluntarily and inadvertently, and within and across species boundaries. In echolocating bats, acoustic call structure and foraging ecology are linked, making echolocation calls a rich source of information about species identity, ecology and activity of the sender, which receivers might exploit to find profitable foraging grounds. We tested in three lab and field experiments if information transfer occurs between bat species and if bats obtain information about ecology from echolocation calls. Myotis capaccinii/daubentonii bats approached call playbacks, but only those from con- and heterospecifics with similar call structure and foraging ecology, confirming interspecific information transfer. Reactions differed between lab and field, emphasising situation dependent differences in animal behaviour, the importance of field research, and the need for further studies on the underlying mechanism of information transfer and the relative contributions of acoustic and ecological similarity. PMID- 29200603 TI - Domestic violence shapes Colombian women's partner choices. AB - Abstract: Potential protection from violence has been suggested as an explanation for women's preferences for more masculine partners. Previous studies, however, have not considered that violence may be multi-modal, and hence come from different sources. Therefore, we tested the effect of different fears of violence (i.e. vulnerability to public crime, likelihood of within-partnership violence) on masculinity preferences of women from Colombia, a country known for its high rates of violence. Eighty-three adult heterosexual women (mean age +/- SD = 26.7 +/- 6.01) answered a survey that included questions about health (e.g. frequency of illnesses during the last year and during childhood), access to media (e.g. time spent watching television, frequency of internet use), education (i.e. highest level achieved) and violence perceptions. Participants' masculinity preferences for Salvadoran, European and Colombian male faces were recorded. Factor analysis revealed two different factors for the answers to questions related to violence. One factor loaded mostly on questions related to public violence and the second factor related to domestic violence. We found that women with higher scores on the domestic violence factor preferred significantly less masculine Colombian male faces. Even after controlling for participant age, education, access to media (TV and internet) and health-related factors, the domestic violence factor contributed significantly to explaining masculinity preferences. The results presented here suggest that women's preferences for masculinity may be a strategy to avoid aggressive partners and that the source of violence matters in mate choice. Significance statement: Women who perceive higher risks of domestic violence prefer less masculine looking partners. Using an experimental approach, we show that Colombian women who feel more in danger of violence within partnership prefer the faces of less masculine males. This was true even after controlling for women's education level, health and access to media. PMID- 29200604 TI - Genetic impact of Rht dwarfing genes on grain micronutrients concentration in wheat. AB - Wheat is a major staple food crop providing about 20% of dietary energy and proteins, and food products made of whole grain wheat are a major source of micronutrients like Zinc (Zn), Iron (Fe), Manganese (Mn), Magnesium (Mg), Vitamin B and E. Wheat provides about 40% intake of essential micronutrients by humans in the developing countries relying on wheat based diets. Varieties with genetically enhanced levels of grain micronutrient concentrations can provide a cost effective and sustainable option to resource poor wheat consumers. To determine the effects of commonly deployed dwarfing genes on wheat grain Zn, Fe, Mn and Mg concentrations, nine bread wheat (Triticum aestivum) and six durum wheat (T. turgidum) isoline pairs differing for Rht1 (= Rht-B1b) and one bread wheat pair for Rht2 (= Rht-D1b) dwarfing genes were evaluated for three crop seasons at N.E. Borlaug Research Station, Cd. Obregon, Sonora, Mexico. Presence of dwarfing genes have significantly reduced grain Zn concentration by 3.9 ppm (range 1.9-10.0 ppm), and Fe by 3.2 ppm (range 1.0-14.4 ppm). On the average, about 94 ppm Mg and 6 ppm Mn reductions occurred in semidwarf varieties compared to tall varieties. The thousand kernel weight (TKW) of semidwarf isolines was 2.6 g (range 0.7-5.6 g) lower than the tall counterparts whereas the plant height decreased by 25 cm (range 16-37 cm). Reductions for all traits in semidwarfs were genotype dependent and the magnitude of height reductions did not correlate with reductions in micronutrient concentrations in wheat grain. We conclude that increased grain yield potential of semidwarf wheat varieties is associated with reduced grain micronutrient concentrations; however, the magnitude of reductions in micronutrients varied depending on genetic background and their associated pleiotropic effect on yield components. PMID- 29200605 TI - Agent-Based Modeling of China's Rural-Urban Migration and Social Network Structure. AB - We analyze China's rural-urban migration and endogenous social network structures using agent-based modeling. The agents from census micro data are located in their rural origin with an empirical-estimated prior propensity to move. The population-scale social network is a hybrid one, combining observed family ties and locations of the origin with a parameter space calibrated from census, survey and aggregate data and sampled using a stepwise Latin Hypercube Sampling method. At monthly intervals, some agents migrate and these migratory acts change the social network by turning within-nonmigrant connections to between-migrant nonmigrant connections, turning local connections to nonlocal connections, and adding among-migrant connections. In turn, the changing social network structure updates migratory propensities of those well-connected nonmigrants who become more likely to move. These two processes iterate over time. Using a core periphery method developed from the k-core decomposition method, we identify and quantify the network structural changes and map these changes with the migration acceleration patterns. We conclude that network structural changes are essential for explaining migration acceleration observed in China during the 1995-2000 period. PMID- 29200606 TI - Bayesian penalized spline model-based inference for finite population proportion in unequal probability sampling. AB - We propose a Bayesian Penalized Spline Predictive (BPSP) estimator for a finite population proportion in an unequal probability sampling setting. This new method allows the probabilities of inclusion to be directly incorporated into the estimation of a population proportion, using a probit regression of the binary outcome on the penalized spline of the inclusion probabilities. The posterior predictive distribution of the population proportion is obtained using Gibbs sampling. The advantages of the BPSP estimator over the Hajek (HK), Generalized Regression (GR), and parametric model-based prediction estimators are demonstrated by simulation studies and a real example in tax auditing. Simulation studies show that the BPSP estimator is more efficient, and its 95% credible interval provides better confidence coverage with shorter average width than the HK and GR estimators, especially when the population proportion is close to zero or one or when the sample is small. Compared to linear model-based predictive estimators, the BPSP estimators are robust to model misspecification and influential observations in the sample. PMID- 29200607 TI - Bayesian inference for finite population quantiles from unequal probability samples. AB - This paper develops two Bayesian methods for inference about finite population quantiles of continuous survey variables from unequal probability sampling. The first method estimates cumulative distribution functions of the continuous survey variable by fitting a number of probit penalized spline regression models on the inclusion probabilities. The finite population quantiles are then obtained by inverting the estimated distribution function. This method is quite computationally demanding. The second method predicts non-sampled values by assuming a smoothly-varying relationship between the continuous survey variable and the probability of inclusion, by modeling both the mean function and the variance function using splines. The two Bayesian spline-model-based estimators yield a desirable balance between robustness and efficiency. Simulation studies show that both methods yield smaller root mean squared errors than the sample weighted estimator and the ratio and difference estimators described by Rao, Kovar, and Mantel (RKM 1990), and are more robust to model misspecification than the regression through the origin model-based estimator described in Chambers and Dunstan (1986). When the sample size is small, the 95% credible intervals of the two new methods have closer to nominal confidence coverage than the sample weighted estimator. PMID- 29200608 TI - A nonparametric method to generate synthetic populations to adjust for complex sampling design features. AB - Outside of the survey sampling literature, samples are often assumed to be generated by a simple random sampling process that produces independent and identically distributed (IID) samples. Many statistical methods are developed largely in this IID world. Application of these methods to data from complex sample surveys without making allowance for the survey design features can lead to erroneous inferences. Hence, much time and effort have been devoted to develop the statistical methods to analyze complex survey data and account for the sample design. This issue is particularly important when generating synthetic populations using finite population Bayesian inference, as is often done in missing data or disclosure risk settings, or when combining data from multiple surveys. By extending previous work in finite population Bayesian bootstrap literature, we propose a method to generate synthetic populations from a posterior predictive distribution in a fashion inverts the complex sampling design features and generates simple random samples from a superpopulation point of view, making adjustment on the complex data so that they can be analyzed as simple random samples. We consider a simulation study with a stratified, clustered unequal-probability of selection sample design, and use the proposed nonparametric method to generate synthetic populations for the 2006 National Health Interview Survey (NHIS), and the Medical Expenditure Panel Survey (MEPS), which are stratified, clustered unequal-probability of selection sample designs. PMID- 29200609 TI - Combining information from multiple complex surveys. AB - This manuscript describes the use of multiple imputation to combine information from multiple surveys of the same underlying population. We use a newly developed method to generate synthetic populations nonparametrically using a finite population Bayesian bootstrap that automatically accounting for complex sample designs. We then analyze each synthetic population with standard complete-data software for simple random samples and obtain valid inference by combining the point and variance estimates using extensions of existing combining rules for synthetic data. We illustrate the approach by combining data from the 2006 National Health Interview Survey (NHIS) and the 2006 Medical Expenditure Panel Survey (MEPS). PMID- 29200610 TI - Investigations of medium-temperature heat treatments to achieve low outgassing rates in stainless steel ultrahigh vacuum chambers. AB - The authors investigated the outgassing rates and fluxes of vacuum chambers constructed from common 304L stainless steel vacuum components and subjected to heat treatments. Our goal was to obtain H2 outgassing flux on the order of 10-11 Pa l s-1cm-2 or better from standard stainless steel vacuum components readily available from a variety of manufacturers. The authors found that a medium temperature bake in the range of 400 to 450 degrees C, performed with the interior of the chamber under vacuum, was sufficient to produce the desired outgassing flux. The authors also found that identical vacuum components baked in air at the same temperature for the same amount of time did not produce the same low outgassing flux. In that case, the H2 outgassing flux was lower than that of a stainless-steel chamber with no heat treatment, but was still approximately 1 order of magnitude higher than that of the medium-temperature vacuum-bake. Additionally, the authors took the chamber that was subjected to the medium temperature vacuum heat treatment and performed a 24-h air bake at 430 degrees C. This additional heat treatment lowered the outgassing rate by nearly a factor of two, which strongly suggests that the air-bake created an oxide layer which reduced the hydrogen recombination rate on the surface. [http://dx.doi.org/10.1116/1.4983211]. PMID- 29200611 TI - Serial position, output order, and list length effects for words presented on smartphones over very long intervals. AB - Three experiments examined whether or not benchmark findings observed in the immediate retrieval from episodic memory are similarly observed over much greater time-scales. Participants were presented with experimentally-controlled lists of words at the very slow rate of one word every hour using an iPhone recall application, RECAPP, which was also used to recall the words in either any order (free recall: Experiments 1 to 3) or the same order as presented (serial recall: Experiment 3). We found strong temporal contiguity effects, weak serial position effects with very limited recency, and clear list length effects in free recall; clear primacy effects and classic error gradients in serial recall; and recency effects in a final two-alternative forced choice recognition task (Experiments 2 and 3). Our findings extend the timescales over which temporal contiguity effects have been observed, but failed to find consistent evidence for strong long-term recency effects with experimenter-controlled stimuli. PMID- 29200612 TI - Being Superwoman: Low income mothers surviving problem drinking and intimate partner violence. PMID- 29200613 TI - MECHANICAL TESTING OF A PHOTOCURED CHOPPED FIBER REINFORCED DENTAL COMPOSITE. AB - The objective was to validate strength improvements by incorporating chopped fiber into commercial particulate filled visible-light cured dental pastes. Photocurable resin preimpregnated 3-mm high purity quartz fibers were blended into two universal commercial composites, 3M Corp. Z100 and Kerr Corp. XRV at 35 wt% fiber. Four groups, consisting of the Z100 and XRV controls, along with Z100 and XRV both containing fibers, were prepared in a mold 2*2*25-mm then cured at equivalent irradiation intensities monitored by a Demetron Radiometer. Evaluation was accomplished on ten specimens from the four different categories according to ASTM Standard C 1161-94 configuration-A utilizing a fully-articulated four-point bend fixture and 20-mm span. Five samples out of each group were further assessed using a modified Izod Plastic Impact Tester per ASTM D 256-00. Both highly strengthened fiber reinforced composites attained a marginal error of uncertainty for statistical significance over the commercial controls (p=0.001 AVOVA posthoc Newman-Keuls) with maximum bending stress, flexural modulus, work of fracture and Izod impact toughness. From the results, it can be concluded that photocured chopped fiber reinforced composites will produce improvements over particulate filled compounds that can be considered breakthrough. PMID- 29200614 TI - Connected: Recommendations and Techniques in Order to Employ Internet Tools for the Enhancement of Online Therapeutic Relationships. Experiences from Italy. AB - The article explores the different types of therapeutic relationship that can evolve both on- and offline, thanks to the use of tools, such as software and applications, which enable therapists and patients contact outside of the traditional setting. Given the premise that it is practically impossible today to maintain a relationship without the use of internet and telephones, it becomes necessary to question the ways in which the online space can become a useful extension of the therapeutic setting. The authors, starting from a consideration regarding the specificity of the online therapeutic relationship, analyze the best ways to use text and email messaging with patients. Furthermore, specific interactions via group chats are presented, for example, to coordinate a therapeutic team involving several professionals. Further, video chat settings are discussed through a clinical case presentation. Lastly, the therapist's management of social networks is debated, underscoring the importance for the therapists that his or her online identity be consistent with the offline image which patients are introduced to in the traditional setting of the therapy room. PMID- 29200615 TI - Time Use During First Year of College Predicts Participation in High-Impact Activities During Later Years. PMID- 29200616 TI - Electromyographic analysis of constraint-induced movement therapy effects in patients after stroke in chronic course. AB - [Purpose] The purpose is to analyze the effects of Constraint-induced Movement Therapy in post stroke patients in chronic course. [Subjects and Methods] This is a Quasi-experiment study and the adopted protocol consisted of a three-hour therapy for ten consecutive working days applied to a constraint intact upper limb. Surface Electromyography, Motor Activity Log, Wolf Motor Function Test and Functional Independence Measure were used for evaluating the experiment. [Results] The individuals showed reduction in the degree of spasticity, confirmed by Surface Electromyography. In relation to Motor Activity Log this study showed an increase in amount and in quality of the paretic upper limb movement. The Wolf Motor Function Test showed reduction in the average time to perform the tasks and a functional improvement was identified through the Functional Independence Measure. [Conclusion] Constraint Induced Movement Therapy proved to be a relevant method to improve motor function in chronic hemiparesis post stroke reducing the spasticity, maximizing and improving the use of committed upper limb. PMID- 29200617 TI - The relationship between bruxism, sleep quality, and headaches in schoolchildren. AB - [Purpose] Present study aimed to evaluate the relationship between sleep bruxism and headache in school children. [Subjects and Methods] This study was conducted with 103 children aged 3-6 years. The exclusion criteria were early tooth loss, dental appliance was used, physical or psychological limitations, chronic disease and continuous medication. Sleep bruxism was diagnosed based on an indication by parents of the occurrence of teeth clenching/grinding and incisor/occlusal tooth wear, following the criteria of the American Academy of Sleep Medicine. Sleep quality was evaluated by a questionnarie, detailing the child's sleep characteristics. [Results] Forty-nine children (47.6%) were diagnosed with sleep bruxism. Those with sleep bruxism were 3.25-fold more likely to present headache. Children whose parents were separated had a significantly greater frequency of sleep bruxism and primary headache. The relative risk of exhibiting primary headache was 13.1 among children with sleep bruxism whose parents were separated. [Conclusion] Children with SB demonstrated a greater risk of having primary headache and those whose parents were separated had a greater chance of having headache. Only sleep bruxism was associated with headache, clenching the teeth during waking hours was not correlated with primary headache. PMID- 29200618 TI - Effects of individual and group exercise programs on pain, balance, mobility and perceived benefits in rheumatoid arthritis with pain and foot deformities. AB - [Purpose] To verify the effects of individual and group exercise programs on pain, balance, mobility and perceived benefits of rheumatoid arthritis patients (RA) with pain and foot deformities. [Subjects and Methods] Thirty patients with RA pain and foot deformity were allocated into two groups: G1: individual exercise program and G2: group exercise program. The variables analyzed were Numerical Rating Scale (NRS) for pain, Berg Balance Scale (BBS) for balance, Timed Up & Go Test (TUG) and Functional Reach (FR) for mobility, and Foot Health Status Questionnaire (FHSQ-Br) for perceived benefits. Both exercise programs consisted of functional rehabilitation exercises and self-care guidance aimed at reducing pain and improving balance and mobility. Intragroup comparisons of variables between A1 (pre-intervention) and A2 (post-intervention) were performed. [Results] Patients in both groups were similar in A1 (pre intervention) in all the variables analyzed. Comparison between A1 and A2 for each variable showed improvement for G1 in the NRS, BBS, FR, TUG and in four out of ten domains of FHSQ-Br. G2 showed improvement in the NRS, BBS and eight out of ten domains of FHSQ-Br. [Conclusion] Both individual and group programs revealed benefits for patients with RA, however, group exercise programs showed better perception of benefits. PMID- 29200619 TI - The effect of newly designed multi joint ankle foot orthosis on the gait and dynamic balance of stroke patients with foot drop. AB - [Purpose] The purpose of this study is to investigate the effect of the newly designed multi joint ankle-foot orthosis on the gait and dynamic balance of stroke patients having foot drop. [Subjects and Methods] This study was conducted with 15 subjects who were diagnosed with stroke. 10-meter walk test, functional reaching test and timed up and go test were measured after each subjects wore a plastic ankle-foot orthosis and a multi joint ankle-foot orthosis that consists of orthosis joints (having free joint, anterior-stop joint, poster-stop joint, and Klenzak joint functions). In the case of the newly developed multi joint ankle-foot orthosis, the experiments were performed using posterior-stop joint and Klenzak joint. [Results] 10-meter walk test, functional reaching test and timed up and go test showed significant differences in the orthosis using posterior joint-stop function and Klenzak joint function. [Conclusion] The appropriate use of the four functions of the newly designed multi joint ankle foot orthosis is expected to have a positive effect on improving the gait and balancing ability of stroke patients having foot drop. PMID- 29200620 TI - Effects of open and closed kinetic-chain exercises on the muscle strength and muscle activity of the ankle joint in young healthy women. AB - [Purpose] The purpose of this study was to analyze the effects of open and closed chain exercise on the muscle strength and muscle activity of the ankle joint. [Subjects and Methods] Twenty women in their 20s were randomly assigned to two groups: the open kinetic-chain group and the closed kinetic-chain group. Each group performed 5 sets 3 times per week for 4 weeks. Exercise intensity was increased once after two weeks. The muscle activity of the tibialis anterior, gastrocnemius, tibialis posterior, and peroneus longus muscles were measured. The collected data were analyzed with two-way repeated measures ANOVA. [Results] In the results for muscle strength, both groups showed significant differences in dorsiflexion and plantar flexion between the pre-test and post-test. In the results for muscle activity, no significant differences were noted for either group. [Conclusion] Open and closed kinetic-chain exercises can help to improve muscle strength. PMID- 29200621 TI - The effects of extracorporeal shock wave therapy on pain and range of motion in patients with adhesive capsulitis. AB - [Purpose] This study examined the effects of extracorporeal shock wave therapy on pain and range of motion in patients with adhesive capsulitis. [Subjects and Methods] Thirty patients with adhesive capsulitis were divided into an experimental group (n=15) that would be treated with extracorporeal shock wave therapy and a control group (n=15) that would be treated only with conservative physical therapy. Both groups were treated three times a week over a four-week period. [Results] An intra-group comparison before and after the treatment showed that both groups experienced a decline in pain and an increase in their range of motion that were statistically significant. An inter-group comparison after the treatment showed that the experimental group had a lower level of pain and a higher range of motion than the control group that were statistically significant. [Conclusion] Extracorporeal shock wave therapy may be an effective intervention for reducing pain and improving the range of motion in patients with adhesive capsulitis. PMID- 29200622 TI - Nutritional status and management of risks due to physical therapy in patients hospitalized for long periods. AB - [Purpose] This study aimed to understand the nutritional status of patients hospitalized for long periods and the risk of physical therapy (PT) for such patients. [Subjects and Methods] Participants were selected from patients who were hospitalized at a designated medical long-term care sanatorium. The participants were divided into 5 groups (A-E) depending on their mode of energy intake and ambulatory ability during PT. The serum albumin level, energy intake, total daily energy expenditure, and total daily energy expenditure per session of PT (EEPT) were evaluated for each group. [Results] Protein-energy malnutrition was observed in 69.6% of the participants. No significant association was identified between the serum albumin level and body mass index. Energy intake was significantly higher in Groups D and E, whose energy intake was via ingestion, than in Groups A and B, whose intake was via tube feeding. EEPT was highest in patients of Group E who had gait independence different from the ability of those in groups A-D. [Conclusion] The actual energy intake is lower with tube feeding than with ingestion. Risk management and energy intake should be revisited in elderly patients who have been hospitalized for long periods and subsequently obtain gait independence. PMID- 29200623 TI - Effect of fingernail length on the hand dexterity. AB - [Purpose] The fingernails allow for increased sensory perception at the finger pulp, and contribute to the accurate picking up of small objects. The purpose of the present study was to clarify the effect of fingernail length on hand dexterity using subjects' own fingernails. [Subjects and Methods] The hand sizes and fingernail configurations of 38 young healthy volunteers (eighteen males and twenty females) were measured. The effect of fingernail length (0 and 2 mm) on hand dexterity also was investigated using the simple test for evaluating hand function. [Results] The hand and finger sizes as well as fingernail widths were significantly larger in males than in females. The time taken for each subtest of the simple test for evaluating hand function was generally shorter at a fingernail length of 2 mm than at 0 mm, and it was significantly shorter for a number of subtests. There was little significant difference in the time taken for the subtests between genders. [Conclusion] It was clear that a fingernail length of 2 mm had an advantageous effect on hand dexterity, with little gender difference observed. These findings suggest that the fingernail lengths of the subjects should be standardized when evaluating changes in their hand dexterity with time. PMID- 29200624 TI - Exercise using a robotic knee orthosis in stroke patients with hemiplegia. AB - [Purpose] The Robotics Knee Orthosis (RKO) is a knee-ankle-foot orthosis with active robot assisting technology. The purpose of this study is to examine the effects of exercise with the RKO (RKO-exercise) in stroke patients with hemiplegia. [Subjects and Methods] Participants were nine stroke patients with hemiplegia, residing in a convalescent rehabilitation ward. The duration of the RKO-exercise program was 10 days. Participants were evaluated three times prior to intervention, once after intervention, and one month post intervention. Each session consisted of standard-of-care physical therapy for 60 minutes and RKO exercise for 20 minutes. Dependent variables were 10-meter gait speed, cadence, Berg Balance Scale (BBS) score, stride length, the absolute value of left-right symmetry of the step length, and one-leg support period while walking. Data were analyzed using a one-way repeated measures ANOVA. [Results] Stride length, left right symmetry of the step length, and one-leg support period while walking changed following the RKO exercise program. 10-meter walking speed, cadence, percentage of one-leg support period (affected side), and BBS changed significantly at one month post treatment time points. [Conclusion] It is expected that RKO-exercise helps recovery process after the stroke. RKO-exercise effectively treats impaired mobility in patient status-post stroke. PMID- 29200625 TI - Large calf circumference indicates non-sarcopenia despite body mass. AB - [Purpose] The purpose of this study is to evaluate the applicability of the calf circumference as a tool for screening sarcopenia. [Subjects and Methods] One hundred sixteen community-dwelling elderly females were enrolled. Calf circumference of the dominant leg was measured using a plastic measuring tape. Subjects were divided into 3 groups based on body mass index (BMI); subjects with the values for BMI <18.5 kg/m2; those with BMI 18.5 to 25.0; those with BMI >=25.0 kg/m2. Positive predictive value and negative predictive value of sarcopenia were calculated based on the obtained cut off values of calf circumference and the diagnosis of sarcopenia in each group. [Results] Prevalence rate of sarcopenia was 9.4% (n=10). Cut off value of the calf circumference was 32.8 cm (sensitivity: 73.0%, specificity: 80.0%, AUC: 0.792). Each BMI group showed high negative predictive value of sarcopenia based on the calf circumference cut off value of 32.8 cm. [Conclusion] These results suggested that to identify non-sarcopenia by larger calf circumference is more reasonable and useful than to identify sarcopenia due to the smaller calf circumference regardless of BMI. PMID- 29200626 TI - The effects of tongue stretching exercise on tongue length in healthy adults: a preliminary study. AB - [Purpose] The purpose of this study was to investigate the effects of tongue stretching exercise on the tongue length of healthy adults. [Subjects and Methods] This study recruited 6 healthy adults. They were treated for 4 weeks with tongue stretching. The change in tongue length during tongue protrusion before and after intervention was measured using a ruler. [Results] All 6 participants showed increased tongue length (minimum 20 mm to maximum 40 mm). [Conclusion] This study confirms that tongue stretching is a useful method to increase tongue length. PMID- 29200627 TI - Effect of motor imagery training and electromyogram-triggered neuromuscular electrical stimulation on lower extremity function in stroke patients: a pilot trial. AB - [Purpose] To investigate the effect of motor imagery training and electromyogram triggered neuromuscular electrical stimulation (MIT-EMG NMES) on the lower extremity function of stroke patients. [Subjects and Methods] This study recruited eight patients with hemiplegia due to stroke. All patients received MIT EMG NMES for 20 min daily, 5 days per week for 4 weeks. Lower extremity function were assessed using the timed up-and-go (TUG) and 10-meter walk (10MW) tests. [Results] The results of TUG test decreased significantly from 20.5 +/- 4.5 to 14.0 +/- 3.5 s, while those of 10 MW test showed a significant decrease from 21.3 +/- 4.5 to 15.5 +/- 3.2 m. [Conclusion] This study suggests that MIT-EMG NMES is a new rehabilitation therapy for lower extremity recovery in hemiplegic stroke patients. PMID- 29200628 TI - The Korean version of relative and absolute reliability of gait and balance assessment tools for patients with dementia in day care center and nursing home. AB - [Purpose] This study was aimed to determine the relative and absolute reliability of Korean version tools of the Berg Balance Scale (BBS), the Timed Up and Go (TUG), the Four-Meter Walking Test (4MWT) and the Groningen Meander Walking Test (GMWT) in patients with dementia. [Subjects and Methods] A total of 53 patients with dementia were tested on TUG, BBS, 4MWT and GMWT with a prospective cohort methodological design. Intra-class Correlation Coefficients (ICCs) to assess relative reliability and the standard error of measurement (SEM), minimal detectable change (MDC95) and its percentage (MDC%) to analyze the absolute reliability were calculated. [Results] Inter-rater reliability (ICC(2,3)) of TUG, BBS and GMWT was 0.99 and that of 4MWT was 0.82. Inter-rater reliability was high for TUG, BBS and GMWT, with low SEM, MDC95, and MDC%. Inter-rater reliability was low for 4MWT, with high SEM, MDC95, and MDC%. Test-retest (ICC(2,3)) of TUG, BBS and GMWT was 0.96-0.99 and Test-retest (ICC(2,3)) of 4MWT was 0.85. The test retest was high for TUG, BBS and GMWT, with low SEM, MDC95, and MDC%, but it was low for 4MWT, with high SEM, MDC95, and MDC%. [Conclusion] The relative reliability was high for all the assessment tools. The absolute reliability has a reasonable level of stability except the 4MWT. PMID- 29200629 TI - Trunk lean gait decreases multi-segmental coordination in the vertical direction. AB - [Purpose] The strategy of trunk lean gait to reduce external knee adduction moment (KAM) may affect multi-segmental synergy control of center of mass (COM) displacement. Uncontrolled manifold (UCM) analysis is an evaluation index to understand motor variability. The purpose of this study was to investigate how motor variability is affected by using UCM analysis on adjustment of the trunk lean angle. [Subjects and Methods] Fifteen healthy young adults walked at their preferred speed under two conditions: normal and trunk lean gait. UCM analysis was performed with respect to the COM displacement during the stance phase. The KAM data were analyzed at the points of the first KAM peak during the stance phase. [Results] The KAM during trunk lean gait was smaller than during normal gait. Despite a greater segmental configuration variance with respect to mediolateral COM displacement during trunk lean gait, the synergy index was not significantly different between the two conditions. The synergy index with respect to vertical COM displacement during trunk lean gait was smaller than that during normal gait. [Conclusion] These results suggest that trunk lean gait is effective in reducing KAM; however, it may decrease multi-segmental movement coordination of COM control in the vertical direction. PMID- 29200630 TI - Changes in lower limb muscle activity based on angle of ankle abduction during lunge exercise. AB - [Purpose] This study compared the activity of the quadriceps femoris muscle according to the angle of ankle abduction during a lunge exercise. [Subjects and Methods] Fifteen male healthy volunteers participated in the study. All participants performed the lunge exercise with different angles of ankle abduction (0 degrees , 20 degrees , 40 degrees , 60 degrees ). The activity of the rectus femoris (RF), vastus lateralis (VL) and vastus medialis oblique (VMO) muscles were recorded for the four angles by using a surface electromyography system. [Results] There were significant differences between the rectus femoris (RF), vastus lateralis (VL) and vastus medialis oblique (VMO) with every angle of the ankle joint. The most significantly increased muscle activity was evident in the vastus medialis oblique (VMO) when the ankle abduction was 60 degrees . [Conclusion] These findings suggest that as the ankle abduction angle increases during the lunge exercise, the muscle activity of the quadriceps femoris muscle increases and this could be helpful in the selective muscle strengthening of the vastus medialis oblique muscle (VMO) with the ankle in the 60 degrees abduction position. PMID- 29200631 TI - The effects of aging on the subjective vertical in the frontal plane in healthy adults. AB - [Purpose] To determine age-related differences in the subjective vertical in the frontal plane in healthy adults. [Subjects and Methods] The subjects were 26 healthy adults. For the subjective visual vertical (SVV), subjects were presented with a visual indicator in front of them that was rotated. For the subjective postural vertical-eyes open (SPV-EO) and subjective postural vertical (SPV), subjects sat in a seating device that was tilted right or left. The subjects gave a signal when they perceived true verticality. Each task was performed eight times. The items examined were the mean (tilt direction) and standard deviation (variability) of the eight trials, then the mean of four trials that started from the right or left side position. These items were compared between the young (age: 22-30 years [range]) and elderly (age: 60-74 years) groups. [Results] As for variability, the elderly group demonstrated significantly higher values of SPV-EO and SPV. As for the starting point effect, the elderly group demonstrated greater bias toward the starting direction than did the young group in SPV-EO and SPV in frontal plane. [Conclusion] The postural vertical was shown to change with age. Consideration of age-related changes and the starting point effect was indicated to be important. PMID- 29200632 TI - The effect of the inspiratory muscle training on functional ability in stroke patients. AB - [Purpose] This study was to find out an inspiratory muscle training (IMT) program therapeutic effects on stroke patients' functional ability. [Subjects and Methods] Twenty stroke patients were assigned to one of two groups: inspiratory muscle training (n=10), and control (n=10), randomization. The inspiratory muscle training participants undertook an exercise program for 30 minute per times, 5 times a week for 6 weeks. The investigator measured the patients' trunk impairment scale (TIS) and 6 minute walking test (6MW) for functional ability before and after IMT. [Results] The TIS appeared some significant differences in both groups before and after the training. The 6MW test showed some significant differences in the inspiratory muscle training group, but didn't show any significant difference in the control group. And the differences in both groups after depending the inspiratory muscle training were significantly found in the tests of TIS and 6MW test [Conclusion] The results showed that the inspiratory muscle training in stroke patients are correlated with the trunk stability and locomotion ability, suggesting that physical therapist must take into consideration the inspiratory muscle training, as well as functional training to improve physical function in stroke patients. PMID- 29200633 TI - Effects of silver gymnastic exercises on aging-related hormones in elderly women living alone. AB - [Purpose] The purpose of this study was to investigate the effect of silver gymnastic exercises on aging-related hormones in elderly women living alone. [Subjects and Methods] The study group consisted of 20 elderly women living alone who performed the silver gymnastic exercises for 12 weeks. Blood samples were obtained for measurement of aging-related hormones (human growth hormone [HGH] and estrogen). [Results] HGH and estrogen levels increased significantly after the exercise program as compared to before the program. [Conclusion] The silver gymnastic exercises helped to induce positive changes in aging-related hormone levels in elderly women living alone. These positive effects on aging-related hormones might help to slow down aging in elderly women living alone. PMID- 29200634 TI - The immediate effects of rib cage joint mobilization and chest wall stretch on muscle tone and stiffness of respiratory muscles and chest expansion ability in patients with chronic stroke. AB - [Purpose] The main purpose of this study was to identify the impact of rib cage joint mobilization and chest wall stretch on respiratory muscle tone and stiffness and chest expansion in stroke patients and to compare the effects of both interventions. [Subjects and Methods] Subjects were randomly assigned to a rib cage joint mobilization group (n=15) or a chest wall stretch group (n=15). Respiratory muscle tone and stiffness were measured using a myotonometer, and the chest expansion was gauged using a measuring tape. [Results] A significant difference was found on comparing the respiratory muscle tone and stiffness on the affected and sound side before intervention. Although both groups showed an increase in respiratory muscle tone and stiffness after intervention, no significant difference was found. A significant increase in chest expansion was observed; however, no significant difference was observed in the variations between the groups. [Conclusion] This study suggests that rib cage joint mobilization and chest wall stretch exercises can be used to increase chest expansion potential and respiratory muscle tone in patients with chronic stroke. PMID- 29200635 TI - The effects of the menstrual cycle on the static balance in healthy young women. AB - [Purpose] The purpose of this study was to investigate the effects of the menstrual cycle on the static balance of healthy young women. [Subjects and Methods] Eighteen healthy young subjects (mean age 19.1 years; weight 57.5 kg; height 159.9 cm) participated in this study. The Good Balance system was used to measure the postural sway speed and velocity moment of subjects in the static standing posture. Subjects were measured for static balance between 1 and 3 days after menstruation and 13 days after menstruation. [Results] The velocity moment of postural sway was significantly higher at 13 days after menstruation. [Conclusion] Our results indicate that the menstrual cycle affects the static balance of healthy subjects. During the menstrual cycle, intensity for balance exercises in females should be carefully controlled for injury prevention. PMID- 29200636 TI - Effect of the combination of Mendelsohn maneuver and effortful swallowing on aspiration in patients with dysphagia after stroke. AB - [Purpose] This study investigated the effect of a combined method incorporating the Mendelsohn maneuver and effortful swallowing on aspiration in patients with dysphagia after stroke. [Subjects and Methods] Three patients with dysphagia were recruited. All patients were treated with a combined method consisting of the Mendelsohn maneuver and effortful swallowing. The intervention period was total 20 sessions. Evaluation was based on videofluoroscopic swallowing study and the degree of aspiration was assessed using penetration-aspiration scale. [Results] Before and after intervention, all participants showed a decrease in aspiration with liquid type and semisolid type food. [Conclusion] This study confirms that the combined method of the Mendelsohn maneuver and effortful swallowing has a positive effect on aspiration in patients with dysphagia after stroke. PMID- 29200637 TI - Combined respiratory muscle training facilitates expiratory muscle activity in stroke patients. AB - [Purpose] The aim of this study was to investigate the effect of combined respiratory muscle training on expiratory muscle activity in stroke patients. [Subjects and Methods] Twenty-five stroke patients were assigned to either the intervention group (n=12) or the control group (n=13). Both groups participated in a conventional stroke rehabilitation program, while the intervention group also received respiratory muscle training for 20 to 30 minutes a day, 3 times a week, for 8 weeks. Surface electromyographic data were collected from the rectus abdominis, internal oblique, and external oblique on the paretic side. Pulmonary function (forced vital capacity) and cough capacity (peak expiratory flow) also were measured. [Results] Both groups showed a significant increase in muscle activity after the intervention. However, the intervention group also showed significant increases in forced vital capacity and peak expiratory flow. Comparison of the 2 groups revealed that the intervention group had greater improvements in pulmonary function, cough capacity, and muscle activity. [Conclusion] The results of this study suggest that combined respiratory muscle training has positive effects on both respiratory function and expiratory muscle activity in stroke patients. PMID- 29200638 TI - Effect of neuromuscular electrical stimulation on lip strength and closure function in patients with dysphagia after stroke. AB - [Purpose] This study aimed to investigate the effect of neuromuscular electrical stimulation (NMES) on lip strength and closure function of patients with dysphagia after stroke. [Subjects and Methods] Eight patients with dysphagia were recruited. NMES was applied to the orbicularis oris muscle. All the participants received NMES for 30 min/d, 5 d/wk, for 4 weeks. Lip strength was measured using the Iowa Oral Performance Instrument. To assess lip closure, the lip closure subitem of the videofluoroscopic dysphagia scale was used. [Results] Lip strength showed significant improvement and lip closure function showed a significant decrease. [Conclusion] This study demonstrates that NMES is useful for improving lip strength and closure function. PMID- 29200639 TI - Factors influencing period from surgery to discharge in patients with femoral trochanteric fractures. AB - [Purpose] The purpose of this study was to investigate factors influencing the period from surgery to discharge in patients with femoral trochanteric fractures. [Subjects and Methods] Sixty patients with femoral trochanteric fractures were investigated retrospectively. Based on the mean period from surgery to discharge (85.6 +/- 26.6 days), the patients were divided into two groups: an under-85-day group (range, 29-78 days) and an over-85-day group (87-128 days). Age, gender, fracture type, presence of lesser trochanteric displacement, discharge destination, and walking ability were investigated. The relationship between these factors and the period from surgery to discharge was analyzed with logistic regression analysis. [Results] Age and lesser trochanteric displacement were significantly higher in the over-85-day group, and walking ability before fracture and at discharge were significantly lower in the over-85-day group. Logistic regression analysis showed that lesser trochanteric displacement and age were predictors of the length from surgery to discharge. Lesser trochanteric displacement were observed in 87.5% of these. Immediate displacement after surgery occurred in 57.8% of lesser trochanteric fractures, while 26.3% displaced 1 to 3 weeks after surgery. [Conclusion] This study revealed that lesser trochanteric displacement, higher age, and lower walking ability before fracture and at discharge were associated with longer hospitalizations in patients with femoral trochanteric fractures. Lesser trochanteric displacement were observed in 87.5% of lesser trochanteric fractures. These displacements occurred within 3 weeks after surgery in 84.1% of cases. PMID- 29200640 TI - Audiospatial cognitive ability of visually impaired athletes in static and dynamic spatial cognitive tasks. AB - [Purpose] This study compares the orientation sense of sighted and visually impaired participants to provide basic research on the audiospatial cognitive ability of visually impaired athletes. [Subjects and Methods] Subjects included nine blind athletes and seven sighted subjects wearing eyeshades during static and dynamic tasks. In the static spatial cognitive task, a coin was dropped towards the right, center, or left of the subject, and the task consisted of identifying the location of the coin. In the dynamic spatial cognitive task, performed with the participant walking, an auditory stimulus was provided. In both spatial cognitive tasks, the independent variables consisted of the "blind athlete" and "sight" groups, as well as three directions; a one-way analysis of variance was performed with the mean error angle as a dependent variable using IBM SPSS Statistics. [Results] The error angles found in the rightward and leftward directions during the static task showed no significant differences, but in the dynamic task, the sight group showed a markedly greater error in the left side, indicating a right-and-left asymmetry in spatial cognition. [Conclusion] Our results suggest a highly developed skill of instantly determining the spatial orientation of auditory information in dynamic situations in blind athletes. PMID- 29200641 TI - Validity of maximal isometric knee extension strength measurements obtained via belt-stabilized hand-held dynamometry in healthy adults. AB - [Purpose] To determine the validity of knee extension muscle strength measurements using belt-stabilized hand-held dynamometry with and without body stabilization compared with the gold standard isokinetic dynamometry in healthy adults. [Subjects and Methods] Twenty-nine healthy adults (mean age, 21.3 years) were included. Study parameters involved right side measurements of maximal isometric knee extension strength obtained using belt-stabilized hand-held dynamometry with and without body stabilization and the gold standard. Measurements were performed in all subjects. [Results] A moderate correlation and fixed bias were found between measurements obtained using belt-stabilized hand held dynamometry with body stabilization and the gold standard. No significant correlation and proportional bias were found between measurements obtained using belt-stabilized hand-held dynamometry without body stabilization and the gold standard. The strength identified using belt-stabilized hand-held dynamometry with body stabilization may not be commensurate with the maximum strength individuals can generate; however, it reflects such strength. In contrast, the strength identified using belt-stabilized hand-held dynamometry without body stabilization does not reflect the maximum strength. Therefore, a chair should be used to stabilize the body when performing measurements of maximal isometric knee extension strength using belt-stabilized hand-held dynamometry in healthy adults. [Conclusion] Belt-stabilized hand-held dynamometry with body stabilization is more convenient than the gold standard in clinical settings. PMID- 29200642 TI - The effects of calcaneal posture on thoracolumbar alignment in a standing position. AB - [Purpose] Severe calcaneus misalignment is correlated with low back pain, and affects pelvic alignment. However, little has been published with regard to the influence of pronation and supination on trunk alignment. Therefore, the present study aimed to investigate the influence of calcaneal inversion on pelvic and trunk alignment. [Subjects and Methods] A 3-dimensional motion analysis system was used to assess pelvic and trunk alignment in 10 healthy male subjects with unilateral and bilateral calcaneus inversion. [Results] Medial and anterior tilting of the pelvis, and posterior tilting and lateral rotation of the trunk were observed. [Conclusion] Calcaneal inversion induces changes in the alignment of the pelvis and trunk. These changes may induce lumbar lordosis and body misalignment, leading to back pain. PMID- 29200643 TI - Comparison of the pain-relieving effects of transcutaneous electrical nerve stimulation applied at the same dermatome levels as the site of pain in the wrist joint. AB - [Purpose] The purpose of this study was to develop a proposal for an effective interventional option for therapeutic stimulation sites by comparing the pain relieving effect of transcutaneous electrical nerve stimulation (TENS) applied to the same dermatome level of the contralateral sites of the dorsal wrist joint with the pain or the neck, or both sites simultaneously. [Subjects and Methods] A control was first established by triggering pain in the left dorsal wrist joints of adult females by using heat stimulation. Three interventions were then performed, comprising the TENS to the contralateral wrist joint (CW) and to the neck (N) at the same dermatome level as the site of pain, and the TENS to both CW and N simultaneously (CWN). Levels of pain and cerebral blood flow were also measured. [Results] The pain levels of three interventions were found to be significantly decreased compared with the control; however, no significant differences in the levels of pain were seen between any combinations of three interventions. Furthermore, no significant differences were seen between any interventions in terms of cerebral blood flow. [Conclusion] The results suggest that in order for TENS to be effective, it is necessary to make effective use of the dermatome. PMID- 29200644 TI - Analysis of the relationships among perceived service encounter quality, service value, satisfaction and behavioral intention for physical therapy patients. AB - [Purpose] The purpose of this study was to investigate the relationships among perceived service encounter quality, service value, patient satisfaction, and behavioral intention in physical therapy patients. [Subjects and Methods] This study surveyed 335 patients who received physical therapy treatment at five medical institutions in Jeonju-si, Republic of Korea. This study conducted path analysis on the collected data using Smart PLS 2.0 M3. [Results] The analysis of this study showed that service encounter quality had significantly positive relationship with service value, patient satisfaction, and behavioral intention. Service value had significantly positive relationship with patient satisfaction and behavioral intention. Patient satisfaction had significantly positive relationship with behavioral intention. [Conclusion] Improving the perceived quality of service encounters for physical therapy patients increases service value and patient satisfaction, and positively influences behavioral intention. PMID- 29200645 TI - Changes in fatigue and physical function with age for patients with gastrointestinal cancer in the perioperative period: a comparison between older and young patients. AB - [Purpose] The purpose of this study was to examine changes in fatigue and physical function with age for groups of patients with gastrointestinal cancer in the perioperative period. [Subjects and Methods] The study involved 52 patients with gastrointestinal cancer (28 males and 24 females, aged 62.4 +/- 12.0 years). The subjects were divided into two groups: those 65 or over (the so-called elderly group,) and those 64 or under (the so-called young group). The six minute walk distance (6MWD), Cancer Fatigue Scale (CFS), and serum albumin (ALB) were evaluated on three occasions: before surgery, after surgery and after discharge. This study considered change in physical function and fatigue, differences between the two groups and correlations between age and each evaluation on the three occasions. [Results] The 6MWD was the main difference between the elderly and young groups, with the former having significantly reduced 6MWD values as compared to the latter after surgery. Age was positively correlated with 6MWD and ALB after surgery and after discharge. Moreover, age was negatively correlated with CFS after surgery and after discharge. [Conclusion] It is suggested that elderly patients are more likely to experience a decline in exercise tolerance and an increase in fatigue. PMID- 29200646 TI - Effect of pain on fear of falling in patients with femoral proximal fracture. AB - [Purpose] This study investigated the factors affecting fear of falling in patients with femoral proximal fracture. [Subjects and Methods] The participants were 26 patients with femoral proximal fracture (3 males and 23 females, average age: 80.2 +/- 7.9 years). Fall self-efficacy, motor functions, and pain intensity were measured 4 weeks post-surgery, and the participants were divided into three groups based on their scores on the Falls Efficacy Scale. [Results] The group with low fall self-efficacy was significantly older and experienced stronger pain than the group with high fall self-efficacy did. In a multivariate analysis, age and pain intensity were extracted as factors influencing fall self-efficacy. [Conclusion] For patients with femoral proximal fracture, in addition to age, pain was identified as a correlated factor to fear of falling. PMID- 29200647 TI - Estimation of 1RM for knee extension based on the maximal isometric muscle strength and body composition. AB - [Purpose] To create a regression formula in order to estimate 1RM for knee extensors, based on the maximal isometric muscle strength measured using a hand held dynamometer and data regarding the body composition. [Subjects and Methods] Measurement was performed in 21 healthy males in their twenties to thirties. Single regression analysis was performed, with measurement values representing 1RM and the maximal isometric muscle strength as dependent and independent variables, respectively. Furthermore, multiple regression analysis was performed, with data regarding the body composition incorporated as another independent variable, in addition to the maximal isometric muscle strength. [Results] Through single regression analysis with the maximal isometric muscle strength as an independent variable, the following regression formula was created: 1RM (kg)=0.714 + 0.783 * maximal isometric muscle strength (kgf). On multiple regression analysis, only the total muscle mass was extracted. [Conclusion] A highly accurate regression formula to estimate 1RM was created based on both the maximal isometric muscle strength and body composition. Using a hand-held dynamometer and body composition analyzer, it was possible to measure these items in a short time, and obtain clinically useful results. PMID- 29200648 TI - The immediate effects of proprioceptive neuromuscular facilitation with taping on gait parameters in patients with chronic stroke. AB - [Purpose] The purpose of the present study was to examine the immediate effects of simultaneous application of proprioceptive neuromuscular facilitation (PNF) and elastic taping (T), and the removal of the elastic tape, on the gait parameters of stroke patients. [Subjects and Methods] Twenty stroke patients were divided into a proprioceptive neuromuscular facilitation group (PNFG, n=7), a taping group (TG, n=6), and a proprioceptive neuromuscular facilitation with taping group (PNFTG, n=7). Relevant interventions were applied for 30 minutes, the tape was removed, and gait parameters were evaluated. [Results] Only the intervention of the PNFTG yielded significant differences in patient cadence, speed, and stride length. [Conclusion] The simultaneous application of PNF and taping for 30 minutes has carryover effects that can improve stroke patients' gait ability, even after the removal of the tape. PMID- 29200649 TI - The effects of whole body vibration combined biofeedback postural control training on the balance ability and gait ability in stroke patients. AB - [Purpose] The purpose of this study was to examine the effect of biofeedback postural control training using whole body vibration in acute stroke patients on balance and gait ability. [Subjects and Methods] Thirty stroke patients participated in this study and were divided into a group of 10, a group for biofeedback postural control training combined with a whole body vibration, one for biofeedback postural control training combined with an aero-step, and one for biofeedback postural control training. Biorescue was used to measure the limits of stability, balance ability, and Lukotronic was used to measure step length, gait ability. [Results] In the comparison of balance ability and gait ability between the groups for before and after intervention, Group I showed a significant difference in balance ability and gait ability compared to Groups II and III. [Conclusion] This study showed that biofeedback postural control training using whole body vibration is effective for improving balance ability and gait ability in stroke patients. PMID- 29200651 TI - Effects of taping and proprioceptive neuromuscular facilitation for stance phase duration of stroke patients. AB - [Purpose] The purpose of this study was to investigate the effects of taping and proprioceptive neuromuscular facilitation in stroke patients. [Subjects and Methods] Thirty patients who were diagnosed with hemiparalysis due to stroke were selected as subjects of study. Experiment group 1 patients had Kinesio taping applied before applying the PNF, while experiment group 2 patients had McConell taping applied before applying the PNF. The control group had only the PNF applied. The dartfish program was used to evaluate the stance phase of stroke patients. [Results] Experiment group 1 and experiment group 2 showed a significantly longer stance phase duration of the affected side than the control group in week 6. [Conclusion] Application of Kinesio taping has a more positive effect on the stance phase duration than McConell taping in the patients with stroke. PMID- 29200650 TI - Anteroposterior perception of the trunk position while seated without the feet touching the floor. AB - [Purpose] The purpose of this study was to investigate the trunk position perception in the anteroposterior direction in young participants sitting without their feet touching the floor to avoid the influence of the hamstrings tension and the feet pressure on the perception. [Subjects and Methods] Fourteen healthy volunteers were seated on a chair fitted with an original manual goniometer. There were 7 reference positions set at 5 degrees increments, from -15 degrees to 15 degrees , and reproductions of each position were conducted 5 times. Trunk position perception was evaluated by the absolute error between the reproduced trunk angle and the reference position angle. [Results] The results revealed a significant effect of reference position on the absolute error. The absolute error at the -5 degrees reference position was significantly larger than at the 15 degrees and 15 degrees positions, and the absolute error at the 0 degrees position was significantly larger than at the -15 degrees , 10 degrees , and 15 degrees positions. [Conclusion] These results suggest that the perception of extreme forward- and backward-leaning trunk positions while sitting without the feet touching the floor would be higher than in a neutral sitting position. The relationship between the stability of the posture and the perception may be involved in the sitting position. PMID- 29200652 TI - Changes in the amount of physical activity in minimally invasive cardiac surgery. AB - [Purpose] This study aimed to compare the amount of physical activity in a minimally invasive cardiac surgery (MICS) group with that in a conventional surgery (median sternotomy) group. [Subjects and Methods] Between November 2010 and December 2011, 39 consecutive patients who underwent elective surgery for valvular disease were prospectively enrolled. The amount of physical activity before and after surgery was measured in 22 cases. The daily in-hospital physical activity level was measured continuously using a triaxial accelerometer. The results were compared in terms of change in the amount of physical activity pre- and postoperatively. [Results] There was no significant difference between the two groups in the amount of physical activity before surgery. However, the amount of physical activity after surgery was significantly higher in the MICS group compared with the conventional surgery group. The number of steps after surgery was significantly increased in the MICS group, and the rate of change in the amount of physical activity was significantly higher in the MICS group than that in the conventional surgery group. [Conclusion] The MICS approach is associated with improvement in postoperative physical activity over median sternotomy. PMID- 29200653 TI - Research describing pelvifemoral rhythm: a systematic review. AB - [Purpose] This systematics review was undertaken to synthesize what is known regarding pelvifemoral rhythm, that is, the coordinated flexion of the thigh and posterior tilting of the pelvis during hip flexion (HF). [Methods] Three databases were searched. [Results] Nine relevant articles were identified via independent database searches and a hand search by the authors. The articles were consistent in showing that pelvifemoral rhythm underlies the HF motion under conditions as varied as passive unilateral flexion while supine and active bilateral flexion while hanging from a bar. Posterior pelvic tilting, which begins early during HF, contributes between 13.1% to 37.5% of total HF. Pelvic tilting and HF excursions are highly correlated (r=0.89 to 1.00). [Conclusions] Pelvifemoral rhythm is present to varying degrees during hip flexion under diverse conditions. PMID- 29200654 TI - Scoliosis deformity reduction in adults: a CBP(r) Mirror Image(r) case series incorporating the 'non-commutative property of finite rotation angles under addition' in five patients with lumbar and thoraco-lumbar scoliosis. AB - [Purpose] This case series presents the unique application of the non-commutative property of finite rotation angles under addition to the CBP(r) mirror image(r) treatment protocol for adult lumbar and thoraco-lumbar scoliosis. [Subjects and Methods] Five adult patients having lumbar/thoraco-lumbar scoliosis and back pain, and having at least two prominent thoracic postural abnormalities according to Harrison's rotations and translations of thoracic postures were included. After initial assessment, mirror-image stress x-rays were taken. For each patient, one stress film was taken using the order of mirror image movements with the largest displacement followed by the second largest (primary + secondary) and one stress film was taken in the opposite order (secondary + primary). The consecutive ordered movements that resulted in the largest reduction of curvature were chosen as the order-specific series of movements all exercises and postural traction were to be performed for each patient. Spinal manipulation was also performed. [Results] All patients had a reduction of curvature concomitant with a reduction in pain levels. [Conclusion] This unique treatment approach offers a patient-specific, targeted structural rehabilitative procedure to stress the spine towards a more straightened configuration. Adult lumbar and thoraco-lumbar curves can be reduced and improved by these non-invasive CBP methods. PMID- 29200655 TI - Lumbar extension traction alleviates symptoms and facilitates healing of disc herniation/sequestration in 6-weeks, following failed treatment from three previous chiropractors: a CBP(r) case report with an 8 year follow-up. AB - [Purpose] To present the outcome of a patient, having sciatica and MRI-verified disc herniation/sequestration who underwent Chiropractic BioPhysics(r) (CBP(r)) protocol designed to improve the lumbar lordosis. [Subject and Methods] A 56-year old male suffered from chronic low back pain and recent sciatica due to lumbar disc herniation despite being under continuous care from three previous chiropractors. Radiographic analysis revealed a lumbar hypolordosis and MRI confirmed disc herniation and sequestration at L4-L5. Generalized decreased lumbar range of motion and multiple positive orthopedic and neurologic tests were present. [Results] After 26 treatments of CBP lumbar extension traction over 9 weeks a total reduction of the disc herniation and sequestration occurred with concomitant improvement in neurologic symptoms. Continuing maintenance treatments, an 8 year follow-up shows no relapse of condition and patient remained in good health. [Conclusion] A patient with lumbar disc herniation/sequestration was successfully treated with CBP technique procedures including lumbar extension traction that achieved a significant healing of herniation and significant reduction in symptoms not obtained following traditional chiropractic procedures alone. The quick reduction in lumbar disc herniation would appear to be related to a segmental disc unloading force produced during extension traction procedures for increasing the lumbar curvature. PMID- 29200656 TI - Nonsurgical correction of straight back syndrome (thoracic hypokyphosis), increased lung capacity and resolution of exertional dyspnea by thoracic hyperkyphosis mirror image(r) traction: a CBP(r) case report. AB - [Purpose] To present the increase in thoracic kyphosis in a patient suffering from exertional dyspnea, reduced lung capacity, and spinal pains related to straight back syndrome (SBS). [Subject and Methods] A 33-year-old male patient was put on a CBP(r) corrective care program involving mirror image(r) traction procedures designed to increase the thoracic kyphosis. [Results] This patient had a 10 degrees improvement in thoracic kyphosis in 16-weeks that was maintained 7 months later. There was a simultaneous reduction of pain, resolved exertional dyspnea, and a greater than 2 liter increase in lung capacity. [Conclusion] This case illustrates that nonsurgical improvement in thoracic kyphosis in a patient with SBS is possible and that this may positively influence lung capacity, health and function. PMID- 29200657 TI - Reduction of progressive thoracolumbar adolescent idiopathic scoliosis by chiropractic biophysics(r) (CBP(r)) mirror image(r) methods following failed traditional chiropractic treatment: a case report. AB - [Purpose] To present a case demonstrating the reduction of progressive thoracolumbar scoliosis by incorporating Chiropractic BioPhysics(r) (CBP(r)) technique's mirror image(r) exercises, traction and blocking procedures based on the 'non-commutative properties of finite rotation angles under addition' engineering law. [Subject and Methods] A 15-year-old female presented with a right thoracolumbar scoliosis having a Cobb angle from T5-L3 of 27 degrees and suffering from headaches and lower back pains. Her curve had progressed over the last two years despite being under traditional chiropractic care. [Results] The patient was treated using CBP structural rehabilitation protocols incorporating mirror image traction, home blocking, corrective exercises and spinal manipulation. The patient was treated 24 times (including 45 home self-treatment blocking sessions) over the course of 15-weeks. Her thoracolumbar curve reduced from 27 degrees to 8 degrees and her headache and low back pain disability improved significantly. [Conclusion] CBP mirror image exercises and traction are consistent with other successful non-surgical approaches and show promise in treating adolescent idiopathic scoliosis. PMID- 29200658 TI - Size and shape distributions of primary crystallites in titania aggregates. AB - The primary crystallite size of titania powder relates to its properties in a number of applications. Transmission electron microscopy was used in this interlaboratory comparison (ILC) to measure primary crystallite size and shape distributions for a commercial aggregated titania powder. Data of four size descriptors and two shape descriptors were evaluated across nine laboratories. Data repeatability and reproducibility was evaluated by analysis of variance. One third of the laboratory pairs had similar size descriptor data, but 83% of the pairs had similar aspect ratio data. Scale descriptor distributions were generally unimodal and were well-described by lognormal reference models. Shape descriptor distributions were multi-modal but data visualization plots demonstrated that the Weibull distribution was preferred to the normal distribution. For the equivalent circular diameter size descriptor, measurement uncertainties of the lognormal distribution scale and width parameters were 9.5% and 22%, respectively. For the aspect ratio shape descriptor, the measurement uncertainties of the Weibull distribution scale and width parameters were 7.0% and 26%, respectively. Both measurement uncertainty estimates and data visualizations should be used to analyze size and shape distributions of particles on the nanoscale. PMID- 29200659 TI - Electrochemical detection of urinary microRNAs via sulfonamide-bound antisense hybridisation. AB - Altered serum and plasma microRNA (miRNA) expression profiles have been observed in numerous human diseases, with a number of studies describing circulating miRNA biomarkers for cancer diagnosis, prognosis and response to treatment, and recruitment to clinical trials for miRNA-based drug therapy already underway. Electrochemical detection of biomarkers in urine has several significant advantages over circulating biomarker analysis including safety, cost, speed and ease of conversion to the point of care environment. Consequently, much current research is underway to identify urinary miRNA biomarkers for a variety of pathologies including prostate and bladder malignancies, and renal disorders. We describe here a robust method capable of electrochemical detection of human urinary miRNAs at femtomolar concentrations using a complementary DNA-modified glassy carbon electrode. A miR-21-specific DNA hybridisation probe was immobilised onto a glassy carbon electrode modified by sulfonic acid deposition and subsequent chlorination. In our pilot system, the presence of synthetic mature miR-21 oligonucleotides increased resistance at the probe surface to electron transfer from the ferricyanide/ferrocyanide electrolyte. Response was linear for 10 nM-10 fM miR-21, with a limit of detection of 20 fM, and detection discriminated between miR-21, three point-mutated miR-21 sequences, and miR-16. We then demonstrated similar sensitivity and reproducibility of miR-21 detection in urine samples from 5 human control subjects. Our protocol provides a platform for future high-throughput screening of miRNA biomarkers in liquid biopsies. PMID- 29200660 TI - Measuring Ultra-low Levels of Nucleotide Biomarkers Using Quartz Crystal Microbalance and SPR Microarray Imaging Methods: A Comparative Analysis. AB - Circulating serum nucleotide biomarkers are useful indicators for early diagnosis of cancer, respiratory illnesses, and other deadly diseases. In this work, we compared detection performances of a quartz crystal microbalance (QCM), which is a mass sensor, with that of a surface plasmon resonance (SPR) microarray for an oligonucleotide mimic of a microRNA-21 biomarker. A surface immobilized capture oligonucleotide probe was used to hybridize with the target oligonucleotide (i.e., the microRNA-21 mimic) to facilitate selective detection. To obtain ultra low femtomolar (fM) detection sensitivity, gold nanoparticles (50 nm) were conjugated with the target oligonucleotide. We achieved detection limits of 28and 47 fM for the target oligonucleotide by the QCM and SPRi microarray, respectively. We also conducted sample recovery studies and performed matrix effect analysis. Although the QCM had a lower detection limit, the microarray approach offered better throughput for analysis of up to 16 samples. We confirmed that the designed assay was selective for the target oligonucleotide and did not show signals for the control oligonucleotide with five mismatch sites relative to the target sequence. Combination of the QCM and microarray methods that utilize the same assay chemistry on gold are useful for overcoming clinical sample matrix effects and achieving ultra-low detection of small nucleotide biomarkers with quantitative insights. PMID- 29200662 TI - Gearing effects of the patella (knee extensor muscle sesamoid) of the helmeted guineafowl during terrestrial locomotion. AB - Human patellae (kneecaps) are thought to act as gears, altering the mechanical advantage of knee extensor muscles during running. Similar sesamoids have evolved in the knee extensor tendon independently in birds, but it is unknown if these also affect the mechanical advantage of knee extensors. Here, we examine the mechanics of the patellofemoral joint in the helmeted guineafowl Numida meleagris using a method based on muscle and tendon moment arms taken about the patella's rotation centre around the distal femur. Moment arms were estimated from a computer model representing hindlimb anatomy, using hip, knee and patellar kinematics acquired via marker-based biplanar fluoroscopy from a subject running at 1.6 ms-1 on a treadmill. Our results support the inference that the patella of Numida does alter knee extensor leverage during running, but with a mechanical advantage generally greater than that seen in humans, implying relatively greater extension force but relatively lesser extension velocity. PMID- 29200663 TI - In search of standards to support circularity in product policies: A systematic approach. AB - The aspiration of a circular economy is to shift material flows toward a zero waste and pollution production system. The process of shifting to a circular economy has been initiated by the European Commission in their action plan for the circular economy. The EU Ecodesign Directive is a key policy in this transition. However, to date the focus of access to market requirements on products has primarily been upon energy efficiency. The absence of adequate metrics and standards has been a key barrier to the inclusion of resource efficiency requirements. This paper proposes a framework to boost sustainable engineering and resource use by systematically identifying standardization needs and features. Standards can then support the setting of appropriate material efficiency requirements in EU product policy. Three high-level policy goals concerning material efficiency of products were identified: embodied impact reduction, lifetime extension and residual waste reduction. Through a lifecycle perspective, a matrix of interactions among material efficiency topics (recycled content, re-used content, relevant material content, durability, upgradability, reparability, re-manufacturability, reusability, recyclability, recoverability, relevant material separability) and policy goals was created. The framework was tested on case studies for electronic displays and washing machines. For potential material efficiency requirements, specific standardization needs were identified, such as adequate metrics for performance measurements, reliable and repeatable tests, and calculation procedures. The proposed novel framework aims to provide a method by which to identify key material efficiency considerations within the policy context, and to map out the generic and product-specific standardisation needs to support ecodesign. Via such an approach, many different stakeholders (industry, academics, policy makers, non-governmental organizations etc.) can be involved in material efficiency standards and regulations. Requirements and standards concerning material efficiency would compel product manufacturers, but also help designers and interested parties in addressing the sustainable resource use issue. PMID- 29200664 TI - Proportions of Proinflammatory Monocytes Are Important Predictors of Mortality Risk in Hemodialysis Patients. AB - Despite the continuous progression in dialysis medicine, mortality and the burden of cardiovascular disease (CVD) among hemodialysis patients are still substantial. Substantial evidence suggests that proinflammatory (CD16+) monocytes contribute to the development of atherosclerosis. A cohort of 136 stable hemodialysis patients (follow-up: 6.25 year) was assessed to investigate the association between the proportion of CD16+ monocytes for all-cause and CVD mortalities. The CD16+ monocytes were associated with both mortalities after adjusting for a preexisting CVD history. Compared to the reference group (CD16+ monocytes within [15.6-18.6], the first and second quartile), patients with CD16+ monocytes above the highest quartile level (>21.5) had an adjusted hazard ratio (HR) of 30.85 (95% confidence interval [CI]: 7.12-133.8) for CVD mortality and 5.28 (2.07-13.49) for all-cause mortality, and those with CD16+ monocytes below the lowest quartile <=15.6), had significantly elevated death risks after 3.5 year follow-up (HR [95% CI]: 10.9 [2.42-48.96] and 4.38 [1.45-13.24] for CV and all-cause mortalities, respectively). The hemodialysis patients with CD16+ monocyte level in a low but mostly covering normal range also portended a poor prognosis. The findings shed some light for nephrologists on future prospects of early recognizing immune dysfunction and improving early intervention outcomes. PMID- 29200661 TI - Spatially and Temporally Controlled Hydrogels for Tissue Engineering. AB - Recent years have seen tremendous advances in the field of hydrogel-based biomaterials. One of the most prominent revolutions in this field has been the integration of elements or techniques that enable spatial and temporal control over hydrogels' properties and functions. Here, we critically review the emerging progress of spatiotemporal control over biomaterial properties towards the development of functional engineered tissue constructs. Specifically, we will highlight the main advances in the spatial control of biomaterials, such as surface modification, microfabrication, photo-patterning, and three-dimensional (3D) bioprinting, as well as advances in the temporal control of biomaterials, such as controlled release of molecules, photocleaving of proteins, and controlled hydrogel degradation. We believe that the development and integration of these techniques will drive the engineering of next-generation engineered tissues. PMID- 29200666 TI - Prevention of Memory Impairment and Neurotrophic Factors Increased by Lithium in Wistar Rats Submitted to Pneumococcal Meningitis Model. AB - The aim of this study was to investigate the effects of lithium on brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and glial cell line derived neurotrophic factor (GDNF) expression in the hippocampus and on memory in experimental pneumococcal meningitis. The mood-stabilizer lithium is known as a neuroprotective agent with many effects on the brain. In this study, animals received either artificial cerebrospinal fluid or Streptococcus pneumoniae suspension at a concentration of 5 * 109 CFU/mL. Eighteen hours after induction, all animals received ceftriaxone. The animals received saline or lithium (47.5 mg/kg) or tamoxifen (1 mg/kg) as adjuvant treatment, and they were separated into six groups: control/saline, control/lithium, control/tamoxifen, meningitis/saline, meningitis/lithium, and meningitis/tamoxifen. Ten days after meningitis induction, animals were subjected to open-field habituation and the step-down inhibitory avoidance tasks. Immediately after these tasks, the animals were killed and their hippocampus was removed to evaluate the expression of BDNF, NGF, and GDNF. In the meningitis group, treatment with lithium and tamoxifen resulted in improvement in memory. Meningitis group showed decreased expression of BDNF and GDNF in the hippocampus while lithium reestablished the neurotrophin expression. Lithium was able to prevent memory impairment and reestablishes hippocampal neurotrophin expression in experimental pneumococcal meningitis. PMID- 29200667 TI - Davallia mariesii Moore Improves FcepsilonRI-Mediated Allergic Responses in the Rat Basophilic Leukemia Mast Cell Line RBL-2H3 and Passive Cutaneous Anaphylaxis in Mice. AB - Davallia mariesii Moore (Drynaria rhizome extract (DRE)) is widely known for its efficacy in treating inflammation, arteriosclerosis, and bone injuries. This study evaluated whether treatment with DRE inhibited FcERI-mediated allergic responses in the RBL-2H3 mast cells and investigated the early- and late-phase mechanisms by which DRE exerts its antiallergic effects. IgE anti-DNP/DNP-HSA sensitized RBL-2H3 mast cells were tested for cytotoxicity to DRE, followed by the assessment of beta-hexosaminidase release. We measured the amounts of inflammatory mediators (e.g., histamine, PGD2, TNF-alpha, IL-4, and IL-6) and examined the expression of genes involved in arachidonate and FcepsilonRI signaling pathways. In addition, we confirmed the antiallergic effects of DRE on passive cutaneous anaphylaxis (PCA) in mice. DRE inhibited RBL-2H3 mast cell degranulation and production of allergic mediators in them. In early allergic responses, DRE reduced expression of FcepsilonRI signaling-related genes (e.g., Syk, Lyn, and Fyn) and extracellular signal-regulated kinase phosphorylation in mast cells. In late allergic responses, DRE reduced PGD2 release and COX-2 expression and cPLA2 phosphorylation in FcERI-mediated mast cells. Lastly, 250 500 mg/kg DRE significantly attenuated the IgE-induced PCA reaction in mice. These findings provide novel information on the molecular mechanisms underlying the antiallergic effects of DRE in FcERI-mediated allergic responses. PMID- 29200665 TI - The Role of High-Mobility Group Box-1 and Its Crosstalk with Microbiome in Rheumatoid Arthritis. AB - Rheumatoid arthritis (RA) is a chronic, definitely disabling, and potentially severe autoimmune disease. Although an increasing number of patients are affected, a key treatment for all patients has not been discovered. High-mobility group box-1 (HMGB1) is a nuclear protein passively and actively released by almost all cell types after several stimuli. HMGB1 is involved in RA pathogenesis, but a convincing explanation about its role and possible modulation in RA is still lacking. Microbiome and its homeostasis are altered in patients with RA, and the microbiota restoration has been proposed to patients with RA. The purpose of the present review is to analyze the available evidences regarding HMGB1 and microbiome roles in RA and the possible implications of the crosstalk between the nuclear protein and microbiome in understanding and possibly treating patients affected by this harmful condition. PMID- 29200668 TI - A Study of Clinical Profile of Primary Extranodal Lymphomas in a Tertiary Care Institute in South India. AB - Context: Primary extranodal lymphoma (pENL) refers to group of disorders arising from tissues other than lymph nodes. The incidence of pENL is increasing and is probably due to better diagnostic immunophenotyping and imaging modalities. Hence, this study was undertaken to ascertain the incidence, distribution, and histological subtypes of extranodal non-Hodgkin lymphoma (NHL) in a tertiary care institute in South India. Subjects and Methods: This was a retrospective study of patients diagnosed to have histologically proven NHL. The demographic and clinical features, laboratory parameters, imaging findings, histopathology, and immunophenotyping were documented. The lymphomas were grouped as extranodal and nodal. The data were tabulated in a Microsoft Excel sheet, and descriptive analysis was done. Results: Primary extranodal NHLs constituted 35.96% (41/114) of all NHLs. The B symptoms were less common in pENL compared to nodal NHL. Gastrointestinal tract (GIT) constituted the most common extranodal site (19/41, 46.34%), and diffuse large B-cell lymphoma (DLBCL) was the most common histological subtype. Majority (40/41, 97%) of the patients with pENL were immunocompetent. 31/41 (75%) patients were in Stage I-II compared to 58/73 (79.4%) patients in Stage III-IV in nodal NHL. Conclusions: Primary extranodal NHL constituted about one-third of patients diagnosed to have NHL at our center with the GIT being the most common site of presentation and DLBCL being the most common histology. A strong suspicion of NHL at an extranodal site with appropriate pathological and immunophenotyping evidence is needed to establish the diagnosis of a pENL. PMID- 29200669 TI - Adrenal Mass: Unusual Presentation and Outcome. AB - Aim: Adrenal mass may be functioning or nonfunctioning with varied clinical presentations. This study aimed to report the nature and management of uncommon adrenal mass and to review literature. Materials and Methods: This was an retrospective observational analysis of children with uncommon adrenal mass admitted during 2009-2015. Clinical features, investigations, and management of patients were analyzed. Results: Among six, two each were adolescent and neonate, and one each was young infant and prenatal. Clinical presentation was variable; hypertensive retinopathy,[1] virilization[1] and bleeding diathesis,[1] antenatal suprarenal mass,[1] prenatal adrenal angiolipoma,[1] and spontaneous resolution of Stage III suprarenal mass.[1] Ultrasound and contrast-enhanced computed tomography revealed well-defined, heterogeneous adrenal mass. Size varied from 2 to 15 cm. Urinary metanephrine and serum testosterone were raised in adolescent hypertensive boys and virilized girls, respectively. Laparoscopy-assisted adrenalectomy was done in two and other four were managed conservatively. Histopathology of tumor revealed pheochromocytoma and borderline oncocytoma. Spontaneous resolution of adrenal mass had varied etiology; adrenal hemorrhagic lesion,[1] simple cyst,[1] neuroblastoma.[1] Follow-up varied from 3 months to 2 years. All patients were asymptomatic on last follow-up. Conclusion: Close clinical follow-up, contrast-enhanced tomography, and limited/specific endocrine work-up have definite role in the management of uncommon adrenal mass. PMID- 29200670 TI - Clinico-radiological and Pathological Characteristics of Inflammatory Myofibroblastic Tumors in Children: A Retrospective Study. AB - Purpose: Inflammatory myofibroblastic tumors (IMTs) are rare, benign lesions most often seen in the lung of young adults but can occur in children, in various sites. They mimic, clinically and radiologically, malignant tumors - especially sarcomas and lymphomas. The aim was to review the clinical, radiological, and pathological data of children with a diagnosis of IMT referred to our department. Materials and Methods: This retrospective study was conducted at the Department of Medical and Paediatric Oncology, Regional Cancer Centre, Sher-I-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India from January 2014 to December 2015. Results: Among 288 pediatric tumors registered during the study, 5 (1.73%) had the diagnosis of IMTs. The main symptoms were abdominal distension and pain in 60% (three cases), breathlessness and cough in 20% (one case), and right axillary area swelling in 20% (one case). In three patients, complete surgical excision was done, whereas another patient with retroperitoneal mass had the residual disease and received chemotherapy followed by complete second surgery. In the case of mediastinal IMT, surgery was followed by local radiotherapy. At present, four patients are disease-free and one patient with mediastinal IMT has the residual progressive disease. Conclusion: On presentation, IMT can constitute a formidable challenge, from diagnosis through to treatment. PMID- 29200671 TI - Multiplex Approach in Classification, Diagnosis, and Prognostication in Acute Myeloid Leukemia: An Experience from Tertiary Cancer Center in South India. AB - Introduction: Acute myeloid leukemia (AML) is a heterogeneous group of disorders classified as per FAB subtypes and more recently by WHO by underlying genetic abnormalities. Aims and Objectives: This study aims to analyze the morphology, immunophenotype, cytogenetic and molecular abnormalities in around 200 patients of AML diagnosed over a period of 7 years at our institute and to determine relative frequency of various subtypes (based on FAB and WHO classification). An attempt to characterize the associations between hematological parameters, immunophenotype and these subtypes was also made. Materials and Methods: All cases diagnosed as AML on morphology, cytochemistry and/or immunophenotyping and tested for recurrent genetic abnormalities during period of Jan 2008-July 2014 were included in the study. Results: Age of presentation was younger in our AML patients as compared to western literature. Amongst FAB and WHO subtypes, M2 and t (15;17) PML-RARA were the most common groups respectively. As expected, CD33, CD13, were the most commonly expressed markers followed by HLA-DR, CD117, CD34 and CD14. Aberrant expression was seen in 62(41.6%) cases, most common was CD7 (15.4%), followed by CD56 (14.8%), CD19 (6.7%) and CD2 (4.7%). Significant associations between immunophenotypic markers and FAB subtypes as well as WHO subtypes were established. Conclusion: This is a hospital based study, giving a detailed account of frequencies of AML subtypes, hematological parameters and immunophenotypic markers in AML patients at our institute. Being a large and one of its kind study to establish significant associations between various haematological and immunophenotypic parameters with respective AML subtypes and genetic abnormalities, it might prove to be very useful in Indian setup where facilities for cytogenetic analysis are not available in many laboratories. PMID- 29200672 TI - Evaluation of Micronucleus in Exfoliated Buccal Epithelial Cells Using Liquid based Cytology Preparation in Petrol Station Workers. AB - Background: Liquid-based cytology (LBC) can be used for the evaluation of micronucleus (MN) in exfoliated buccal epithelial cells of populations occupationally exposed to potentially carcinogenic agents. Aim: This study was undertaken to evaluate the frequency of MN of exfoliated buccal epithelial cells using LBC preparation in petrol station workers. Materials and Methods: Fifty petrol station workers (cases) and fifty hospital administrative staffs (controls) were recruited and evaluated for MN by May-Grunwald Giemsa, Hematoxylin and Eosin, and Papanicolaou stains using LBC preparation. Statistical analysis was performed with Student's t-test, and P < 0.05 was considered statistically significant. Results: Regardless of staining method used, the mean frequency of MN for cases was significantly higher than that of controls (P < 0.001). Conclusion: The present study concluded that petrol station workers are under risk of significant cytogenetic damage. The MN in exfoliated buccal epithelial cells found to be a useful biomarker of occupational exposure to genotoxic chemicals. LBC can be used for sample preparation to evaluate the frequency of MN in those who are occupationally exposed to potentially carcinogenic agents in view of overall improvement on sample preservation and visualization of cell morphology. PMID- 29200674 TI - Effectiveness of Three Prognostic Scoring Systems in Predicting the Response and Outcome in Pediatric Chronic Myeloid Leukemia Chronic Phase on Frontline Imatinib. AB - Introduction: The Sokal and Hasford (Euro) scores were developed in the chemotherapy and interferon eras and are widely used as prognostic indicators in patients with chronic myeloid leukemia (CML). Recently, European Treatment and Outcome Study (EUTOS) scoring system was introduced. Data on risk stratification in pediatric CML population was lacking due to its rarity (<3%). Objective: To study the effectiveness in predicting the response and outcome with three prognostic scores in pediatric CML-chronic phase patients on front line Imatinib. Materials and Methods: We retrospectively analyzed the hospital records of newly diagnosed CML CP patients (aged <=18 years) from 2006 to 2010 for their risk score, cytogenetic response at 18 months and event free survival (EFS) at the end of 4 years. Events include loss of hematological response, loss of cytological response, progression to accelerated/blast phase (AP/BC). All received free Imatinib under Gleevac international patient assistance program. Results: Data of 106 children was analyzed with median age of 13.5 (ranged 5-18 years) and male preponderance (M:F = 1.14:1). The distribution of children was 63%, 32% and 5% in Sokal low, intermediate and high risk respectively, 50%, 43% and 5% in Hasford/Euro low, intermediate and high risk respectively, 71% and 29% in EUTOS low and high risk respectively. The overall cumulative complete hematological response at the end of 3 month was 94%, and complete cytogenetic response at 12 months was 75%. The CCyR at 18 month was seen in 90%,74% and 83% among Sokal low, intermediate and high risk groups respectively, 83%, 86% and 83% among Hasford/Euro low, intermediate and high risk groups respectively, 84% and 86% EUTOS low and high risk groups respectively. The EFS at the end of 48 months was seen in 87%,79% and 83% among Sokal low, intermediate and high risk groups respectively, 83%, 86% and 83% among Hasford/Euro low, intermediate and high risk groups respectively, 86% and 80% EUTOS low and high risk groups respectively. Conclusion: None of the scoring systems predicted the response and outcome effectively in children with CML CP on front line Imatinib. PMID- 29200673 TI - Sociodemographic Factors and Late-stage Diagnosis of Breast Cancer in India: A Hospital-based Study. AB - Context: Breast cancer (BC) is one of the major causes of cancer mortality in India. Late-stage diagnosis of BC is associated with poor survival. Identification of factors affecting late presentation of the disease could be an effective step to reduce BC mortality. Aims: To study the association of sociodemographic factors with BC stage at diagnosis. Settings and Design: The study is a retrospective analysis from the case records from a single institution. Subjects and Methods: Data for the year 2008 was collected from the hospital records. A total of 1210 cases were included for the analysis. Sociodemographic factors included were age, place of residence, religion, marital status, level of education, and occupation. Other study variables were family history, presence of comorbidity, and stage at diagnosis. Statistical Analysis: Association between sociodemographic factors by stage at diagnosis was tested using Chi-square statistics, with odds ratios (ORs) estimated through logistic regression modeling. Results: In the study cohort, 46% patients had reported at early stages and 54% at advanced stages. All factors were evaluated for being predictors of disease stage at presentation using univariate and multivariate logistic regression model. Women from urban background were less likely to present with advanced stage disease (OR = 0.64; 95% confidence interval [CI]: 0.49-0.84) as compared to rural women. Similarly, illiterate women were also more likely to present with advanced-stage disease (OR = 1.55; 95% CI: 1.16-2.09). Conclusions: This data clearly indicate that the patients of rural background and of low education status are more likely than their respective counterparts to have an advanced stage of BC diagnosis. Our results may be considered the keys to determining how stage variation may be related to patients and community characteristics and where limited resources need to be invested to ensure early diagnosis of BC. PMID- 29200675 TI - Neurolymphomatosis: A Surreal Presentation of Lymphoma. AB - Background: Neurolymphomatosis is a neurologic complication poorly recognized by neurologists and oncologists and presents usually several months after successful treatment of systemic lymphoma. Other disorders that must be differentiated from these entities include peripheral-nerve or nerve root compression and paraneoplastic neuropathy. Aim: To describe the unusual occurrence of neurolymphomatosis in a patient of B-cell lymphoma. Method: Diagnosis was made by demonstration of enhancement of nerve roots on Magnetic Resonance Imaging of the brachial, lumbosacral plexus, peripheral nerves or by increased hyper-metabolic activity along the course of affected nerves on fluorodeoxyglucose positron emission tomography (FDG-PET). Results and Conclusion: MRI and PET-CT are imaging modalities of choice for evaluation of patients with lymphoma and suspected neural involvement. Treatment of neurolymphomatosis consists of focal radiotherapy and high-dose methotrexate therapy. PMID- 29200676 TI - Sociodemographic and Clinical Profile of Cervical Cancer Patients Visiting in a Tertiary Care Hospital in India. AB - Context: Cancer of the cervix is the most common genital tract malignancy in the female and is a major public health problem in the developing countries. Study of the sociodemographic and clinical profile of patients is the first step in planning control measures and treatment facilities. Aims: The aims of the study were to determine the sociodemographic and clinical profile of cervical cancer patients and study their association with other tumor-related factors. Settings and Design: This is a record-based retrospective study from a single institution. Subjects and Methods: The data on sociodemographic and clinical factors of 765 cervical cancer patients visited and treated at tertiary care cancer hospital in Mumbai in 1 year period were analyzed. Statistical Analysis: Data were analyzed using descriptive statistics. Kruskal-Wallis and Chi-square test were used to assess relationship between variables. Results: The median age of the cohort was 54 years and interquartile range was 16 years. Nearly 53.6% of patients were illiterate. About 88.10% of patient's had squamous cell carcinoma. Only 13% of cases had early stage disease and 77% of patient's had not taken any treatment before coming to the hospital. Of the total, about 26% patients also had concomitant comorbidities, of which hypertension was found to be the leading comorbid condition. Stage of disease was found to be significantly (P < 0.05) associated with age and educational status. Conclusion: This study highlights certain important baseline characteristics of cervical cancer patients. This basic information on profile of patients can help plan and optimum utilization of hospital services, especially in resource-poor countries like India. PMID- 29200677 TI - Evaluation of Intraoperative Cytological Smears for Diagnosis of Brain Tumors with Special Reference to Immunohistochemistry. AB - Context: Brain tumors are heterogeneous group of benign and malignant tumors of glial, meningeal, neuronal, embryonal, and lymphoid origin. Rapid intraoperative diagnosis of the nature of the tumor helps the surgeon to plan the extent of surgery and modify it accordingly. Aims: (1) To establish the validity and reliability of squash cytology in the intraoperative diagnosis of brain tumors. (2) To correlate with histopathological report and immunohistochemistry (IHC) profile. Settings and Design: Prospective, observational study. Subjects and Methods: prospective, observational study was conducted in the Department of Pathology in collaboration with the Department of Neurosurgery of a tertiary care hospital. One hundred and seven patients with symptomatic or radiologically detected brain tumors were included in the study. Intraoperative squash smears were stained with hematoxylin and eosin and rapid papanicolaou stain. Cytological diagnosis was recorded and communicated to the surgeon. Cytological findings were corroborated with histological findings subsequently. GFAP, Ki-67, and ER-PR IHC were used as additional markers. Statistical Analysis Used: Software used in statistical analysis of our study was MedCalc version 11.6 (Mariakerke, Belgium: MedCalc Software 2011). Results: A total of 107 cases were included in the study. Meningioma was the most common lesion. Overall sensitivity in our study to diagnose benign and malignant tumors was 94.7% and the specificity is 97.6% with positive and negative predictive value of 94.7% and 97.6%, respectively. Diagnostic accuracy was highest in pituitary adenoma. Conclusions: The combination of meticulous evaluation of clinical, radiological, and cytological findings helps in accurate and rapid diagnosis of brain tumors. PMID- 29200678 TI - Radiofrequency Ablation of Osteoid Osteoma in Common and Technically Challenging Locations in Pediatric Population. AB - Context: Percutaneous radiofrequency ablation (RFA) of osteoid osteoma has a high technical and clinical success rate. However, there is limited data on its use in the pediatric population, especially in technically challenging locations. Objective: The objective of this study was to assess the safety and efficacy of CT-guided percutaneous RFA of osteoid osteoma in pediatric population. Subjects and Methods: From June 2009 to May 2014, thirty patients with osteoid osteoma were treated with CT-guided RFA in common (25 cases) and technically challenging (five cases: four near articular surface and one in sacrum) locations. Therapy was performed under general anesthesia with a three-array expandable RF probe for 6 min at 90 degrees C and power of 60-100 W. The patients were discharged next day under instruction. The treatment success was evaluated in terms of pain relief before and after (1 day, 1 month, and 6 months) treatment. Results: Technical success was achieved in all patients (100%). Primary clinical success was 96.66% (29 of total 30 patients) despite the pediatric population and atypical location. One patient had persistent pain after 1 month duration and were treated successfully with a second procedure (secondary success rate was 100%). One patient had immediate complication of weakness of right hand and fingers extension. No delayed complications were observed. Conclusions: CT-guided RFA is relatively safe and highly effective for treatment of osteoid osteoma in pediatric population, even in technically difficult locations. Advance in Knowledge: Our study showed that if technical success is 100% and if strict desired temperature (90 degrees C) can be maintained for desired time (6 min) using controlled power (wattage) delivery (60-100 W), then high clinical success can be achieved even in pediatric population similar to adult population. PMID- 29200679 TI - Status of Serum and Salivary Ascorbic Acid in Oral Potentially Malignant Disorders and Oral Cancer. AB - Background and Aims: The aim of this study was to estimate the detoxification status of serum and saliva by assessing the serum and salivary Vitamin C in oral potentially malignant disorders and oral cancer. Subjects and Methods: A total of 90 subjects, 30 subjects with oral potentially malignant disorders, 30 subjects with oral cancer, and 30 healthy subjects (controls) were included in the study. Serum and saliva were collected and levels of Vitamin C were assessed. Data obtained was analyzed using ANOVA test for the comparison between the groups. Post hoc Tukey's analysis was used for the comparison of the two study groups to the control group. Correlation between the groups was done using Pearson's correlation coefficient test. Results: The mean serum and salivary Vitamin C levels were decreased significantly in potentially malignant disorders and oral cancer when compared to healthy subjects. Conclusions: As significant reduction of Vitamin C is seen in saliva, it can be stated that saliva can be used as a reliable, noninvasive biomarker in diagnosis and management of potentially malignant disorders and oral cancer. PMID- 29200680 TI - Poor Risk Advanced Renal Cell Carcinoma: Outcomes from a Registry in a Tertiary Cancer Center. AB - Background: Poor-risk advanced Renal cell carcinoma (RCC) are an under-evaluated and difficult to treat subset of patients with poor prognosis. While Temsirolimus is the approved first line therapy for this category, Tyrosine kinase inhibitors (TKIs) are also commonly uses as initial treatment. We present an analysis of poor-risk advanced RCC treated in our institute. Materials and Methods: Patients diagnosed as poor-risk (as per Heng criteria) advanced RCC from June 2008 to December 2015 were analysed for baseline demographics, treatment received, toxicity (primarily Grade 3 and Grade 4), response rates (RR) and survival. Results: 60 patients (43 males, 17 females) with a median age of 53 years were included for final analysis. Median ECOG PS was 1, clear cell was the predominant histology (63.3%), and 46.7% of patients had greater than 2 sites of metastases. Sorafenib, Sunitinib, Temsirolimus and Pazopanib were used to treat 43.3%, 36.7%, 8.3% and 6.7% of patients respectively, while 3 patients were offered upfront best supportive care. Common adverse events included skin rash (31.5%), HFS (Grade 2 and 3 - 30.8%), mucositis (26.3%), hypertension (24.5%), and dyslipidaemias (22.8%). 41 patients were available for response - overall response rate observed was 15%, while clinical benefit rate was 50%. Median progression free survival was 5.78 months (4.67-6.89) and median overall survival (OS) was 10.05 months (7.31-12.79). Conclusion: A majority of poor-risk metastatic RCC patients in our study were treated with TKIs and the survival outcomes appear to suggest that this strategy is a feasible alternative to Temsirolimus in the Indian setting. PMID- 29200681 TI - Clinicopathological Features and Treatment Outcomes in Ewing's Sarcoma Patients: A 10-year experience of Alexandria Clinical Oncology Department. AB - Background: Ewing's sarcoma (ES) is an aggressive tumor, which is usually associated with micrometastases in the circulation. Thus, systemic chemotherapy in addition to local control modality is essential to improve outcomes. The aim of this study was to evaluate clinicopathological features and treatment outcomes in patients with ES. Materials and Methods: Medical files of 74 patients with nonmetastatic ES treated at our centers between 2004 and 2014 were retrospectively evaluated. The clinicopathological parameters were extracted and statistically correlated with event-free survival (EFS) and overall survival (OS). Results: The median age of patients was 13 years. The median follow-up duration was 63.8 months. About two-thirds (58.1%) of patients were male. Pain (74.3%) was the most common presenting symptom. Extremities (48.6%) were the frequently affected sites. Thirty-two patients (43.2%) presented by tumors larger than 8 cm. All patients were treated with chemotherapy. Local therapies were surgery and/or radiotherapy. The 5-year EFS and OS were 44% and 57%, respectively. On multivariate analysis, EFS and OS were significantly associated with age, tumor site, and tumor size. Conclusions: Despite limited resources in a developing country, the survival rates of ES are comparable to that in developed countries, and prognostic factors are age, tumor site, and tumor size. PMID- 29200682 TI - Assessment of Angiogenesis in Children with Acute Lymphoblastic Leukemia Based on Serum Vascular Endothelial Growth Factor Assay. AB - Introduction: Vascular endothelial growth factor A (VEGFA) is a key proangiogenic cytokine. The role of angiogenesis in acute lymphoblastic leukemia (ALL) is still unclear. The purpose of the study was to assess angiogenesis in children with ALL based on serum VEGFA level determined at diagnosis and at remission with further participant subdivision into different risk groups. Materials and Methods: Forty children, aged 3-12 years (mean age: 8 years) with newly diagnosed ALL, were enrolled in the study. The control group (Group C) was twenty healthy children. According to the risk assessment, they were classified into a standard-risk group, an intermediate-risk group (IRG), or a high-risk group (HRG). Results: The median serum VEGFA levels at diagnosis were significantly higher in IRG and HRG as compared to Group C. The VEGFA levels at remission were significantly higher in all study groups, as compared to Group C. The differences in median values of serum VEGFA levels between the study groups both at diagnosis and at remission were not statistically significant. Conclusions: The angiogenesis in ALL seems to be intensified at diagnosis as a result of neoplasmatic bone marrow rebuilding and at remission as its intensive recovering. PMID- 29200683 TI - Physiogenomics in Etiopathogenesis of Cholangiocarcinoma. AB - Objective: Cholangiocarcinoma is a serious malignancy that is very common in the tropical countries. It is a kind of deadly primary hepatobiliary tumor. There is a wide spectrum of tumors with varying differentiation and malignancy grades. Although it has been known for a long time inmmedicine, there is no clear cut that this deadly cancer is genetic disorder or not. A systemic approach on the pathophysiology and genomics can provide useful information and help better understand the pathogenesis of cholangiocarcinoma. Methods: In this work, a standard bioinformatics physiological genomics analysis of cholangiocarcinoma was performed. Result: According to this work, there is no identified physiogenomics relationship for the cholangiocarcinoma. Conclusion: This might imply that the cholangiocarcinoma is directly due to environmental insult. It implies that there should be no specific gene that might contribute to the increased risk in the etiopathogenesis of cholangiocarcinoma. PMID- 29200684 TI - The Role of Mutation Testing in Patients with Chronic Myeloid Leukemia in Chronic Phase after Imatinib Failure and Their Outcomes after Treatment Modification: Single-institutional Experience Over 13 Years. AB - Introduction: BCR-ABL1 kinase domain mutations represent the most frequent mechanism of resistance to tyrosine kinase inhibitor (TKI) therapy, being detected in 40%-50% of imatinib-resistant patients with chronic myeloid leukemia in chronic phase (CML-CP). Over 100 BCR-ABL1 single-point mutations have been reported in patients with imatinib-resistant CML. There were few studies reported from India on BCR-ABL kinase mutations in imatinib failure patients. We present our data on imatinib resistance mutation analysis (IRMA) and use of imatinib dose hike and 2nd-generation TKI at our institute. Materials and Methods: All patients with a diagnosis of CML in a university hospital from June 2003 to July 2016 and who were tested for IRMA in view of imatinib failure, those in CP, and age <18 years were included in the study. Results: A total of 2110 cases of CML reviewed and 269 cases of CML with imatinib failure were analyzed. The male to female ratio was 1.7:1. The median age at presentation was 36 years (range: 18-66 years). Among these, 26% were primary failures and 74% were secondary failures. The treatment was modified either as imatinib dose hike or nilotinib/dasatinib. Molecular response at 12 months was achieved in 25.7% in imatinib dose hike, 46.6% in nilotinib, and 53.8% in dasatinib arms. The 4-year overall survival in mutation detected group was 37.5% and in nonmutated group was 87.7%. Conclusion: Imatinib-resistant mutations were more common in the cases with secondary failure though not statistically significant. T315I mutation was the common mutation found in the study. Imatinib dose hike to the failure cases resulted in optimal hematological response rates. PMID- 29200685 TI - A Study on Utilization and Evaluation of Antiemetics in Chemotherapy-induced Nausea and Vomiting. AB - Purpose: Chemotherapy-induced nausea and vomiting (CINV) are the major adverse effects of cancer chemotherapy. The objectives of this study are to evaluate the utilization of antiemetics in CINV and to assess the emetogenicity of chemotherapy and to investigate the incidence of acute and delayed CINV. Methods: A prospective observational study was carried out in patients undergoing chemotherapy. A suitable data collection form was designed to collect data regarding patient's demographics, cancer type, chemotherapy regimen, antiemetic prescribed, and incidence of CINV according to the standard methods utilizing morrow assessment of nausea and emesis form. Results: Among 200 patients enrolled in the study, with age range of 18-83 (52 +/- 11.65; mean +/- standard deviation) of both sexes (44% of male and 56% of female), 38.5% of patients received highly emetogenic chemotherapy and 46.5% received moderate emetogenic chemotherapy. Among the patients, 88% received 5HT3-RA in combination with corticosteroid (99%) and NK1-RA (40.5%). Despite the administration of antiemetic, the incidence of acute and delayed nausea after chemotherapy treatment was reported by 54% and 15.5%, respectively. The comparable figures for acute and delayed vomiting were 36.5% and 14.5%. Conclusion: The incidence of CINV among the patients was relatively high and it indicates that more attention is needed for the treatment of both acute and delayed CINV. It also gives an idea for implementation of more efficient antiemesis guideline in the clinical practice. PMID- 29200686 TI - An Investigation of Bayes Algorithm and Neural Networks for Identifying the Breast Cancer. AB - Context: Breast cancer is a biggest threat to women. X-ray mammography is the most effective method for early detection and screening of breast cancer. It is a tough challenge for the radiologist in reading mammography since it does not provide consistent result every time. Aim: To improve the primary sign of this disease, computer-aided diagnosis schemes have been developed. Using monitor, digital images of mammography are displayed and they can be lightened or darkened before they are printed on the film. Time factor is important to identify the abnormality in body such as breast cancer and lung cancer. Hence, to detect the tissues and treatment stages, image-processing techniques are improved in several medical areas. In this project, using low-level preprocessing techniques and image segmentation, the breast cancer detection is done. Methods: With the help of Bayes algorithm and neural networks (NNs), the type of the mammogram and stages is identified. For segmentation process, region-growing algorithm is used, which helps to find the affected portion, i.e., region of interest. Gray-level co occurrence matrix (GLCM) and texture feature are used for feature extraction. Results: Bayes algorithm is used for probability of identification, whereas NNs is used to reduce the probability level from 0-1000 to 0-1 in case of classification. PMID- 29200687 TI - Analytical Study on the Efficacy of Neoadjuvant Chemotherapy Using a Combination of Methotrexate, Bleomycin, and Cisplatin in the Management of Advanced Squamous Cell Carcinoma of the Buccal Mucosa. AB - Context: Cancers of the buccal mucosa (CaBM) predominate in India with late- stage diagnosis and poor survival, necessitating optimal management. Aim: Our study aimed at testing the efficacy of combination neoadjuvant chemotherapy (NACT) using cisplatin (CIS), bleomycin (BL) and methotrexate (MTX) for reducing tumour volume prior to surgery. Methodology: Patients with advanced CaBM (stage III, IV, n = 100) were administered 6 rounds of NACT with CIS, BL and MTX. Responses, toxicity and 6-month follow-up was monitored statistically to determine persistence of response. Results: A significant number of patients showed objective response as either complete or partial tumour regression with subjective response as reduced trismus, pain, salivation and foul odour. Moreover, there was mild associated toxicity and tumour regression continued in most patients even after 6-month follow-up. Conclusion: Our study indicates that NACT with CIS, BL and MTX offers a good therapeutic alternative in terms of significant objective and subjective responses, low toxicity, affordable costs and persistent responses. PMID- 29200688 TI - Round Cell Tumors: Classification and Immunohistochemistry. AB - Round cell tumors as the name suggest are comprised round cells with increased nuclear-cytoplasmic ratio. This group of tumor includes entities such as peripheral neuroectodermal tumor, rhabdomyosarcoma, synovial sarcoma, non Hodgkin's lymphoma, neuroblastoma, hepatoblastoma, Wilms' tumor, and desmoplastic small round cell tumor. These round cells tumors are characterized by typical histological pattern, immunohistochemical, and electron microscopic features that can help in differential diagnosis. The present article describes the classification and explains the histopathology and immunohistochemistry of some important round cell tumors. PMID- 29200689 TI - Acute Lymphoblastic Leukemia as Secondary Malignancy in a Case of Ewing's Sarcoma on Treatment. AB - The survival of Ewing's sarcoma (ES) has improved due to advances in both local and systemic therapy. This has given rise to an increased detection of second malignant neoplasms which can be in the form of solid tumors and hematological malignancies. The most common hematological malignancies are acute myeloid leukemia/myelodysplastic syndrome. Acute lymphoblastic leukemia (ALL) is relatively uncommon in occurrence in this setting. Furthermore, the average refractory period for hematological malignancies varies from 3 to 5 years. We report a case of a young female who developed ALL while on adjuvant therapy for ES. PMID- 29200690 TI - Unusual Presentation of Metanephric Stromal Tumor in a Neonate. AB - Metanephric stromal tumor (MST) of kidney is an under-reported benign stromal specific renal neoplasm with good prognosis. This tumor is to be differentiated from congenital mesoblastic nephroma and clear-cell sarcoma of the kidney. In this case report, we describe the imaging, gross, and microscopic features of MST with ischemic left kidney in a 1-month-old child and discuss treatment with relevant literature. PMID- 29200691 TI - A Case Report of Newly Diagnosed Epithelial Ovarian Carcinoma Presenting with Spontaneous Tumor Lysis Syndrome and Its Successful Management with Rasburicase. AB - Tumor Lysis Syndrome (TLS) commonly occurs in hematological malignancies, but it is very rare in patients with a solid tumor. In cases of solid tumors, TLS usually occurs spontaneously or after the initiation of anticancer therapy, and it has a high mortality rate. This syndrome consists of a constellation of laboratory findings such as hyperuricemia, hyperkalemia, hyperphosphatemia, and hypocalcemia known as laboratory TLS. When clinical complications such as seizures, acute renal failure, and cardiac dysrhythmias occur in patients with laboratory TLS, the syndrome is called clinical TLS. The present case report is sixth in the series and probably the first case report of spontaneous TLS in a newly diagnosed patient of epithelial ovarian cancer and also shows the effectiveness of single dose (1.5 mg) of rasburicase along with adequate hydration to rapidly reverse TLS and also timely initiation of definitive treatment. The patient was then able to complete successfully the planned neoadjuvant chemotherapy and surgery without any long-term sequela. PMID- 29200692 TI - A Novel Presentation of Cutaneous Angiosarcoma: A Case Report and Review. AB - We report a case of a 70-year-old male, with slowly widening induration, ulceration, and oozing for 3 months on the scalp and face. The diagnosis of aggressive cutaneous angiosarcoma was made on histopathology and immunochemistry from the biopsy material from the involved area of the skin. PMID- 29200693 TI - Pilomatrix Carcinoma Masquerading as Breast Carcinoma. AB - Pilomatrix carcinoma is an exceedingly rare skin adnexal neoplasm derived from piliferous follicles, usually occurring in the head and neck region. Localization of this tumor in the breast is a rarity. We now report an unusual case of a 49 year-old female who presented with a palpable mass in the left breast for 2 years. Mammogram revealed a large, lobulated opacity with calcification, and positron emission tomography-computed tomography showed a metabolically active soft tissue mass measuring 15 cm involving all the quadrants of the left breast. Subsequently, the patient underwent radical mastectomy, and histopathologic diagnosis of pilomatrix carcinoma of the breast was offered. Pilomatrix carcinoma, although exceedingly rare, can have an intramammary location and can be misdiagnosed as breast carcinoma on limited material. A high index of suspicion is required to arrive at an accurate diagnosis so as to obviate neoadjuvant chemotherapy. PMID- 29200694 TI - Pancreatitis in Acute Promyelocytic Leukemia: Drug-induced or Differentiation Syndrome? AB - Acute promyelocytic leukemia (APL) constitutes about 15% of all acute myeloid leukemia patients and can now be treated even without any chemotherapy, with all trans-retinoic acid (ATRA) and arsenic trioxide (ATO). Acute pancreatitis (AP) is a rare adverse event in APL, which is primarily reported to be secondary to hypertriglyceridemia. Here, we have reported AP developed in a patient of APL, during induction with ATRA and ATO, but it was not associated with hypertriglyceridemia. Rather, it was associated with respiratory distress and weight gain, coincidental leukocytosis, bilateral pleural effusion, and edematous pancreatitis without any necrosis. Hence, AP in this case is diagnosed to be a manifestation of differentiation syndrome, and it responded to steroid. PMID- 29200695 TI - Metaplastic Carcinoma of Breast and Neurofibromatosis 1: A Rare Association. AB - Neurofibromatosis 1 (NF1) patients are generally at higher risk of developing common malignant tumors such as brain and soft tissue tumors. These patients are 5-fold increased the risk of developing breast cancer by the age of 50 years after that the risk remains the same. The most common reported cancer is infiltrating duct carcinoma. We report a case of 61-year-old female with NF1 presented with pain and breast lump for the past 2 months. On mammography, a retroareolar solid cystic lesion measuring 32 mm * 30 mm * 30 mm was noted which was definitive for malignancy. Right-modified radical mastectomy with axillary lymph node dissection was done which revealed a neoplasm composed of glandular and squamous components. Immunohistochemically, these cells were triple negative for estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2-neu and expressed markers of basal cell differentiation. The final pathological staging was T2N0M0. This is the fourth case report in the English literature with such association. In this case report, we discussed the importance of breast cancer screening in such patients along with a review of the literature. PMID- 29200696 TI - Human Leukocyte Antigen-B27: The Genetic Predisposition Leading to Reactive Arthritis during Induction Phase Chemotherapy for Acute Myeloid Leukemia. AB - We report a case of reactive arthritis (ReA) during induction phase chemotherapy of a 15-year-old male patient with acute myeloid leukemia (AML) M4 with inv(16), most probably due to a genetic predisposition of being human leukocyte antigen b27 (HLA-B27) positive. The episode of ReA recurred during consolidation therapy; however, the patient was asymptomatic after the completion of treatment. The link between HLA-B27 and a large family of inflammatory rheumatic diseases is a well established fact, but interestingly, there is also a molecular link between HLA B27 and hematological malignancies. This case brings to our notice, the common immunological, molecular, and microbiological link between AML, HLA-B27, and ReA. It also emphasizes the fact that clinicians should have a high index of suspicion of HLA-B27 positivity, if a case of AML develops arthritis during chemotherapy, since early introduction of immunosuppressive medications for arthritis may reduce morbidity and prevent delay in the administration of further chemotherapy cycles. PMID- 29200697 TI - Uncommon Adverse Effects of Commonly Used Chemotherapeutic Agents in Medical Oncology Practice: A Series of Two Cases of Hand-Foot Syndrome. AB - Chemotherapy has an increasing potential for cure and palliation of most forms of cancer in different stages. However, its use is associated with a multitude of side effects some very common and few very rare. We present two patients of metastatic nonsmall lung cancer who had severe forms of hand-foot syndrome with two different classes of antineoplastic drugs and have to discontinue chemotherapy. PMID- 29200698 TI - Extrarenal Extracranial Rhabdoid Tumor of the Pelvis in a Young Adult-management of a Challenging Case. AB - Rhabdoid tumor commonly occurs in the kidney and has an aggressive clinical course with high mortality. Central nervous system is the most common extrarenal site. Extrarenal extracranial rhabdoid tumor (EERT) is rare. EERT usually presents in childhood, and presentation in adulthood is extremely rare. This tumor is often difficult to diagnose, and there is no established standard of care due to the paucity of cases. We herein report a case of extrarenal rhabdoid tumor of the pelvis in a young adult and discuss the presentation and possible treatment options of this rare tumor. PMID- 29200699 TI - Metastatic Epithelioid Malignant Peripheral Nerve Sheath Tumor in a Known Case of Neurofibromatosis-1, Cytomorphological Appearance, and Critical Analysis of Immunohistochemistry. AB - Malignant peripheral nerve sheath tumors (MPNSTs) are rare soft tissue tumors commonly arising from nerve roots in the extremities with a predilection in neurofibromatosis (NF) patients. MPNSTs are known to behave aggressively, with worse prognosis in nonresectable cases, and a 5-year survival of about 52% and 15% in resectable and unresectable cases, respectively. Although cytological diagnosis in a known case of NF-1 is possible, however, in the absence of any associated syndrome in a sporadic case, it is very challenging to accurately diagnose this tumor. Till date, to the best of our knowledge, only three cases of epithelioid MPNST correctly diagnosed on cytological examination have been described. We are presenting another case of epithelioid MPNST in a 40-year-old patient with stigmata of NF-1 since childhood, diagnosed on fine-needle aspiration cytology from the left flank mass with subsequent histopathology from left inguinal lymph node metastasis. PMID- 29200700 TI - Extrapulmonary Tuberculosis of Lymph Node Coexist with Diffuse Large B-cell Lymphoma: A Case Report. AB - Extrapulmonary tuberculosis (TB) coexistent with lymphomas in the same organ are rare. Here, we report a case of a 14-year-old male patient who had cauliflower like ulcerated mass over cervical lymphadenopathy. He was diagnosed extrapulmonary TB. Unresponsiveness of anti tubercular treatment (anti tubercular) treatment after 6 months, he was diagnosed as diffuse large B-cell lymphoma. PMID- 29200701 TI - A Rare Extramedullary and Extralymphoid Presentation of Mixed Phenotypic Blastic Hematolymphoid Neoplasm: A Study of Two Cases. AB - Mixed phenotype acute leukemia (MPAL) is a rare hematolymphoid neoplasm, representing only 3%-5% of acute leukemia. Although MPAL has been sufficiently described in the literature, its extramedullary presentation as a solitary lesion without leukemic (bone marrow [BM]) involvement is rarely described. We are presenting two cases of mixed phenotypic blastic hematolymphoid neoplasms without leukemic involvement at disease presentation in 8-year-old female and 21-year-old male patients. Both the cases had extralymphatic bone involvement in the form of solitary bone lesion. Initially, there was no leukemic involvement in both the cases, but the second case progressed to acute leukemia during the course of the disease. On immunophenotypic evaluation, both the cases revealed blasts showing unequivocal evidence of myeloid and B-lymphoid lineage commitment. These cases were difficult to categorize either into MPAL as the BM was not involved or into lymphoblastic lymphoma due to coexpression of myeloid differentiation. Therefore, we chose to classify them as a bi/mixed phenotypic blastic hematolymphoid neoplasm. Detailed immunophenotypic analysis either by immunohistochemistry or flow cytometric immunophenotyping is important for the diagnosis of such cases as they have a poor prognosis. PMID- 29200702 TI - Affordable and Safe Health Care for All Children: Lessons Learned from the Use of Peg-asparaginase in a Developing Country. AB - Peg-asparaginase has widely replaced the use of conventional asparaginase in treatment of children with acute lymphoblastic leukaemia in developed countries. In developing countries like India, with financial constraints being a part of clinical challenge to the treatment of cancers, uniform use of Peg-asparaginase in all children is not practically possible. However, we found by a retrospective analysis of 211 children treated for acute lymphoblastic leukaemia, uniform use of this drug was feasible with indigenous techniques like storing the drug with strict cold chain maintenance and sharing the drug amongst 2 or 3 patients to reduce the burden on each family. We have not found increased rates of infection or any loss of efficacy of the drug due to prolonged storage. PMID- 29200703 TI - Rhabdomyosarcoma of the Iliopsoas: A Retroperitoneal Misdiagnosis. AB - Rhabdomyosarcoma (RMS) is a rare soft tissue sarcoma. The already documented data regarding RMS state that it is more prevalent in males than females and also that its occurrence is more in Caucasians than Asians. The current incidence of RMS is 4.5 cases/million, and thus, it is a very rare cancer. The undifferentiated type is the most aggressive one with a rare presentation in the retroperitoneum. Overall, this case emphasizes that consideration should be given to wide range of diagnosis and that frozen section is the gold standard for a confirmatory diagnosis, as the first biopsy showed benign cells within the tumor. The emphasis on the interventions related to imaging to prevent the chance of aggravated presentation in the terminal stage of somatic comorbidities like loss of power. Radical excision of the mass along with normal iliopsoas tendon was done and referred to a cancer specialty center for further chemotherapy. To the best of my knowledge, this is the only case of RMS of the iliopsoas. PMID- 29200704 TI - Fibroepithelial Polyp with Sebaceous Hyperplasia: A Case Report. AB - Fibro epithelial Polyp (FEP) is a polypoid outgrowth of epidermis and dermal fibro vascular tissue. This polyp is most commonly found in oral cavity, neck and axilla, though any skin fold may be affected like groin area. We describe a case of a 25-year-old male patient with a growth over the anterior rugae region of hard palate since 3 years. Based on histological appearance, diagnosis of sebaceous gland hyperplasia in fibroepithelial polyp was given which itself is a rare entity, and in our case, it was encountered at the rarest of sites. PMID- 29200705 TI - A Novel Translocation: t(2;14)(p12;q32) in a Case of Precursor B-acute Lymphoblastic Leukemia. PMID- 29200706 TI - Estimation of Cancer Risk Due to Exposure to Airborne Particle Emission of a Commercial Three-dimensional Printer. PMID- 29200707 TI - WWOX rs11644322 Polymorphism, Gemcitabine, and Pancreatic Cancer. PMID- 29200708 TI - Biomechanics of ACL. PMID- 29200709 TI - Total knee arthroplasty in young patients: Factors predictive of aseptic failure in the 2nd-4th decade. AB - Objective: In a recently published article we reviewed our long term outcomes of TKA in young patients (<55) with end stage OA. The purpose of this study was to identify what additional factors may predict aseptic failure in these young patients. Methods: A retrospective review of all patients in our young TKA database was performed, and included failure only for mechanical wear and loosening. Results: The IB-II prosthesis, a thin polyethylene (<9 mm), and higher Knee Society functional class at midterm follow-up was associated with higher failure rate. Conclusion: This study helps better identify the etiology of failed young patient TKA. PMID- 29200710 TI - Identification of Hepatoprotective Constituents in Limonium tetragonum and Development of Simultaneous Analysis Method using High-performance Liquid Chromatography. AB - Background: Limonium tetragonum, a naturally salt-tolerant halophyte, has been studied recently and is of much interest to researchers due to its potent antioxidant and hepatoprotective activities. Objective: In the present study, we attempted to elucidate bioactive compounds from ethyl acetate (EtOAc) soluble fraction of L. tetragonum extract. Furthermore, the simultaneous analysis method of bioactive EtOAc fraction of L. tetragonum has been developed using high performance liquid chromatography (HPLC). Materials and Methods: Thirteen compounds have been successfully isolated from EtOAc fraction of L. tetragonum, and the structures of 1-13 were elucidated by extensive one-dimensional and two dimensional spectroscopic methods including 1H-NMR, 13C-NMR, 1H-1H COSY, heteronuclear single quantum coherence, heteronuclear multiple bond correlation, and nuclear Overhauser effect spectroscopy. Hepatoprotection of the isolated compounds against liver fibrosis was evaluated by measuring inhibition on hepatic stellate cells (HSCs) undergoing proliferation. Results: Compounds 1-13 were identified as gallincin (1), apigenin-3-O-beta-D-galactopyranoside (2), quercetin (3), quercetin-3-O-beta-D-galactopyranoside (4), (-)-epigallocatechin (5), (-) epigallocatechin-3-gallate (6), (-)-epigallocatechin-3-(3"-O-methyl) gallate (7), myricetin-3-O-beta-D-galactopyranoside (8), myricetin-3-O-(6"-O-galloyl)-beta-D galactopyranoside (9), myricetin-3-O-alpha-L-rhamnopyranoside (10), myricetin-3-O (2"-O-galloyl)-alpha-L-rhamnopyranoside (11), myricetin-3-O-(3"-O-galloyl)-alpha L-rhamnopyranoside (12), and myricetin-3-O-alpha-L-arabinopyranoside (13), respectively. All compounds except for 4, 8, and 10 are reported for the first time from this plant. Conclusion: Myricetin glycosides which possess galloyl substituent (9, 11, and 12) showed most potent inhibitory effects on the proliferation of HSCs. SUMMARY: In the present study, we have successfully isolated 13 compounds from bioactive fraction of Limonium tetragonum. The structures of compounds isolated have been fully elucidated, and hepatoprotective activities of compounds against liver fibrosis were evaluated by measuring inhibition on hepatic stellate cells undergoing proliferation. Furthermore, the simultaneous analysis method of bioactive ethyl acetate fraction of L. tetragonum has been developed using HPLC. Ten compounds identified herein are reported for the first time from this plant.Abbreviations used: HSQC: Heteronuclear single quantum coherence; HMBC: Heteronuclear multiple bond correlation; NOESY: Nuclear Overhauser effect spectroscopy; EGCG: Epigallocatechin-3-gallate; EGC: Epigallocatechin; HSC: Hepatic stellate cell; MTT: 3-(4,5-dimethylthiazol-2-yl) 2.5-diphenyltetrazolium bromide. PMID- 29200711 TI - Biological Activities and Cytotoxicity of Eperua oleifera Ducke Oil-resin. AB - Background: The oil-resin of Eperua oleifera Ducke has been used in popular medicine similarly to the copaiba oil (Copaifera spp.). Objective: This study aimed to investigate the effects of the acid fraction of E. oleifera oil-resin (AFEOR) on cell proliferation, collagen production in human fibroblasts, inhibition of metalloproteinases, and cytotoxicity against tumor cell lines. Materials and Methods: Acid fraction of E. oleifera was fractionated in the ion exchange column chromatography. Cytotoxicity and genotoxicity were evaluated by Alamar Blue(r) and Cometa assay. The inhibition of metalloproteinases was performed by zymography and Western blotting. Results: The predominant acidic diterpenes in the AFEOR were copalic and hardwickiic acids. AFEOR caused morphology alteration and decrease of proliferation at concentrations higher than 5 MUg/mL. It also caused significant collagen proliferation in fibroblasts. It showed cytotoxicity against tumoral and nontumoral cell lines, with IC50 values ranging from 13 to 50 MUg/mL, and a hemolytic activity with an IC50 value of 38.29 MUg/mL. AFEOR inhibited collagenase activity, with an IC50 value of 46.64 MUg/mL, and matrix metalloproteinase-2 (MMP)-2 and MMP-9 in HaCaT cells or MMP-1 expression in MRC-5 cells. AFEOR induced genotoxicity in MRC-5 cells with a DNA damage index between 40% and 60% when compared to the negative controls (0%-20%). Conclusion: For the first time, biological activities from oil-resin E. oleifera demonstrated ratifying somehow its popular use. SUMMARY: Analysis of crude oil resin and fractionation of diterpenic fraction was performance using selective ion-exchange column chromatographyCytotoxicity analysis and morphology were performed with different cell linesCollagen production in human fibroblasts, inhibition of metalloproteinases were demonstrated by zymography and Western blotting. Abbreviations used: AFEOR: Eperua oleifera oil-resin. PMID- 29200712 TI - Evaluating the Feasibility of Five Candidate DNA Barcoding Loci for Philippine Lasianthus Jack (Lasiantheae: Rubiaceae). AB - Introduction: The pantropical genus Lasianthus Jack is identified for high phenotypic plasticity making traditional taxonomic identification difficult. Having some members with important medicinal properties, a precise complimentary identification through DNA barcoding is needed for species delineation. Materials and Methods: In this study, 12 samples representing six Philippine Lasianthus species were used to determine the most efficient barcoding loci among the cpDNA markers (matK, rbcL, rps16, and trnT-F) and nrDNA (ITS) based on the criteria of universality, discriminatory power, and resolution of species. Results: The results revealed that ITS has the recommended primer universality, greatest interspecific divergences, and average resolution of species. Among the cpDNA markers, matK and rbcL are recommended but with minimal resolution of species. While trnT-F showed moderate interspecific variations and resolution of Lasianthus species, rps16 has the lowest interspecific divergence and resolution of species. Conclusion: Consequently, ITS is the potential ideal DNA barcode for Lasianthus species. SUMMARY: ITS, matK, and rps16 markers have the excellent amplification and sequence qualityITS marker has the highest interspecific divergence with the maximum values, followed by matK, rbcL, trnT-F, and rps16, respectivelyAll markers except rps16 yielded average resolution to Lasianthus speciesITS marker is the most ideal locus in terms of excellent universality, high interspecific discriminatory ability, and average species resolution. Abbreviations used: ITS: Internal Transcribe Spacer, matK: maturase K, rbcL: ribulose-1,5-biphospahte-carboxylase, rps16: ribosomal protein 16 small subunit gene. PMID- 29200713 TI - Gastroprotective and Ulcer Healing Effects of Camel Milk and Urine in HCl/EtOH, Non-steroidal Anti-inflammatory Drugs (Indomethacin), and Water-Restraint Stress induced Ulcer in Rats. AB - Background: Camel milk has been reportedly used to treat dropsy, jaundice, tuberculosis, and diabetes while camel urine is used to treat diarrhea and cancer. However, there is no scientific evidence on the antiulcer activity of camel milk and urine. Thus, the present is designed to investigate the gastroprotective and ulcer healing effect of camel milk and urine on experimentally induced gastric ulcer models in rats. Materials and Methods: The gastroprotective effect was investigated in HCl/EtOH, water-restraint stress (WRS) and non-steroidal anti-inflammatory drugs (indomethacin)-induced ulcer models while ulcer healing activity was investigated in indomethacin-induced ulcer model. Cimetidine (100 mg/kg) was used as a standard antiulcer drug. Results: Acute toxicity study done up to a dosage of 10 ml/kg of camel milk and urine showed no signs of toxicity and mortality among the rats, indicating the present dosage of 5 ml/kg is safe to be administered to the rats. In the HCl/EtOH model, oral administration of cimetidine (100 mg/kg), camel urine (5 ml/kg), and camel milk (5 ml/kg) significantly (P < 0.05) inhibited gastric lesions by 83.7, 60.5 and 100%, respectively. In the WRS-induced model, cimetidine, and camel urine showed an ulcer inhibition of 100% while camel milk showed an inhibition of 50%. Similarly, in the indomethacin-induced ulcer model, cimetidine, camel milk, and urine showed an ulcer inhibition of 100, 33.3, and 66.7%, respectively. In addition, camel milk and urine also showed a significant (P < 0.05) ulcer healing effect of 100% in indomethacin-induced ulcer model, with no ulcers observed as compared to that of cimetidine, which offers a healing effect of 60.5%. Conclusion: The antiulcer activity of camel milk and urine may be attributed to its cytoprotective mechanism and antioxidant properties. SUMMARY: Acute toxicity findings revealed the dosage of 10 ml/kg of camel milk and urine seems no toxic and indicating the dosage of 5 ml/kg is safe to be administered to the ratsOral administration of cimetidine (100 mg/kg), camel urine (5 ml/kg), and camel milk (5 ml/kg) significantly inhibited gastric lesions by 83.7, 60.5 and 100% in the HCl/EtOH experimental modelThe results of this investigation have proven that camel milk and urine showed strong ulcer healing effect in indomethacin-induced gastric damage. Abbreviations used: NSAIDs: Non-steroidal anti-inflammatory drugs, UI: Ulcer index, ANOVA: One-way analysis of variance, WRS: Water-restraint stress, ROS: Reactive oxygen species. PMID- 29200714 TI - Simultaneous Determination of Ten Constituents in Chaiqin Qingning Capsule by High-performance Liquid Chromatography Coupled with Triple-quadrupole Mass Spectrometry. AB - Background: Chaiqin Qingning Capsule (CQQNC) was a prescription of Traditional Chinese Medicine with the effects of clearing away heat and removing toxin, harmonizing the exterior and interior, it was widely used in Asian, for example, China and Japan, different batches of the raws materials and different processing time may be the vital factor which raised a challenge to control the quality of the CQQNC. Experimental Methods: In this experiment, a high-performance liquid chromatography-mass spectrometry/MS (HPLC-MS/MS) method was developed to simultaneously determine ten bioactive components for the quality control of CQQNC. Chromatographic separation was achieved using an XBridge BEH C18 column (150 mm * 4.6 mm, 2.5 MUm) with a mobile phase composed of 10 mm aqueous ammonium acetate and acetonitrile using a gradient elution in 20 min. This study was conducted by multiple reaction monitoring mode through electrospray ionization resource with a negative ionization mode. Results: The established method was validated with good performance of precision, accuracy, stability, and reproducibility and was utilized to simultaneously quantify ten constituents of CQQNC obtained from seven different batches. Conclusion: It is the first time to report the rapid and simultaneous analysis of the ten compounds in CQQNC by HPLC MS/MS and apply to determine 10 constituents in 7 batches of CQQNC bought from drug store in china. This method could be considered as good quality criteria to control the quality of CQQNC. SUMMARY: In this paper, a simple, specific, and rapid high-performance liquid chromatogram coupled with triple-quadrupole mass spectrometry method for simultaneous quantification of ten constituents in Chaiqin Qingning Capsule has been developed for the first time. This method could be considered as good quality criteria to control the quality of CQQNC. Abbreviations used: CHM: Chinese herbal medicine; TCM: Traditional Chinese Medicine; CQQNC: Triple-quadrupole mass spectrometry Chaiqin Qingning Capsules; HPLC-MS/MS: High liquid chromatography equipped with tandem mass spectrometry; ESI: Electrospray ionization; DP: Declustering potential; CE: Collision energy; RSD: Relative standard deviation; LOD: Limit of detection; LOQ: Limit of quantity. PMID- 29200715 TI - Antitumor Effects of Ethanol Extracts from Hyptis Rhomboidea in H22 Tumor-bearing Mice. AB - Background: Research the antitumor effects of ethanol extracts from Hyptis rhomboidea in H22 tumor-bearing mice. At the fist-stage of the experiments, the research team took MTT method to measure the antitumor activity in vitro, then selected the most inhibitory tumor cell strain as the test object of antitumor activity in vivo, established three models of a solid tumor H22 liver cancer, ascites tumor, and immunodeficiency in male mice. From inflammatory factor, liver toxicity, in vivo antioxidant index to observe antitumor activity of ethanol extracts from H. rhomboidea. Materials and Methods: Hundred and twenty ICR male mice were used to establish three models of a solid tumor H22 liver cancer, ascites tumor, and immunodeficiency in male mice and models group of a solid tumor H22 liver cancer randomly divided into six groupshe normal control group, the model control group, the positive group (cyclophosphamide), the sample treated group (high - 1.300 g/kg, medium - 0.750 g/kg, low - 0.373 g/kg). The animals were sacrificed 15d after oral administration and tumors were taken out for the tumor weights and antitumor rates. Blood in eyeball was collected for the determination of aspartate transaminase, alanine transaminase, malondialdehyde (MDA), superoxide dismutase (SOD), interleukin (IL)-2, and tumor necrosis factor (TNF)-alpha in serum. Sections of tumor issue were prepared, and morphological changes in tumor tissue cells were observed using hematoxylin and eosin staining technique. Results: The results showed that ethanol extracts from H. rhomboidea have a certain inhibitory effect on the digestive tumor cells. In solid tumor model, the inhibitory rate is up to 68.84% of the high dose of treated group from H. rhomboidea, and H. rhomboidea could improve the immune organ index, decrease the concentration of TNF-alpha and IL-2 in serum. In ascites tumor model, H. rhomboidea could slow down weight gain in mice and prolong the survival time; in immunodeficiency model, H. rhomboidea could improve the serum TNF-alpha and, IL-2 levels, increase SOD activity, and reduce MDA content, so as to achieve antitumor effect. Conclusions: Ethanol extracts from H. rhomboidea have obvious antitumor activity in vivo and can improve a tumor-burdened mice inflammation factors, improve the survival quality of H22 tumor mice, and enhance immunity and antitumor activity. SUMMARY: Ethanol extracts from Hyptis rhomboidea have obvious antitumor activity without obviously liver damageThe experiment results prompt that the antitumor activity probably caused by decreasing the inflammatory factors, improve the survival quality, enhance the abnormal cytokines and scavenging free radicals, and raising autoimmune function in H22 tumor bearing mice. Abbreviations used: H. rhomboidea: Hyptis rhomboidea; AST: Aspartate transaminase; ALT: Alanine transaminase; MDA: Malondialdehyde; SOD: Superoxide dismutase; IL-2: Interleukin 2; TNF-alpha: Tumor Necrosis Factor-alpha; CTX: Cyclophosphamide. PMID- 29200716 TI - Antioxidant and Inhibitory Effects of Saponin Extracts from Dianthus basuticus Burtt Davy on Key Enzymes Implicated in Type 2 Diabetes In vitro. AB - Context: Dianthus basuticus is a plant of South African origin with various acclaimed pharmaceutical potentials. Aims: This study explored the antioxidant and antidiabetic activities of saponin extract from D. basuticus in vitro. Materials and Methods: Antioxidant activity of saponin was evaluated by 2,2 diphenyl-1-picrylhydrazyl (DPPH) and nitric oxide (*NO)-free radical scavenging activity while antidiabetic potentials were measured by the alpha-amylase and alpha-glucosidase inhibitory activities of the saponin extract. Results: The results showed that the saponin extract, compared with quercetin, displayed better DPPH (IC50 = 6.95 mg/ml) and NO (IC50 = 3.31 mg/ml) radical scavenging capabilities. Similarly, the saponin extracts elicited stronger alpha-glucosidase (IC50 = 3.80 mg/ml) and moderate alpha-amylase (IC50 = 4.18 mg/ml) inhibitory activities as compared to acarbose. Saponin exhibited a competitive mode of inhibition on alpha-amylase with same maximum velocity (Vmax) of 0.0093 mM/min for saponin compared with control 0.0095 mM/min and different the Michaelis constant (Km) values of 2.6 * 10-6 mM and 2.1 * 10-5 mM, respectively, while for alpha-glucosidase, the inhibition was uncompetitive, Vmax of 0.027 mM/min compared with control 0.039 mM/min and Km values of 1.02 * 10-6 mM and 1.38 * 10 6 mM, respectively. The gas chromatography-mass spectrometric analysis revealed the presence of bioactive like beta- and alpha-amyrin, 3-O-methyl-D-glucose, methyl commate, and olean-12-en-3-beta-ol. Conclusion: Overall, the data suggested that the saponin extract from D. basuticus has potentials as natural antioxidants and antidiabetics. SUMMARY: Saponin extract from Dianthus basuticus displayed promising antidiabetic and antioxidant activitySaponin competitively and uncompetitively inhibited a-amylase and a-glucosidase, respectivelyThe stronger inhibition of alpha-glucosidase and moderate inhibition of alpha-amylase by saponin extract from D. basuticus is promising good antidiabetes compared with existing drugs with associated side effects. Abbreviations used: DPPH: 2,2 diphenyl-1-picrylhydrazyl, Km: The Michaelis constant, Vmax: Maximum velocity, ROS: Reactive oxygen species, NIDDM: Non-insulin-dependent diabetes mellitus, UFS: University of the Free State, GC-MS: Gas chromatography-mass spectrometric, MS: Mass spectrometry, NIST: National Institute of Standards and Technology, DNS: 3,5-dinitrosalicylic acid, NO: Nitric oxide, RNS: Reactive nitrogen species, PNPG: p-Nitrophenyl-alpha-D-glucopyranoside. PMID- 29200717 TI - In vitro and In vivo Activity of Myrsine africana on Elastase Inhibition and Anti wrinkle Activity. AB - Background: Myrsine africana (MA) is a plant traditionally used in South Africa to treat various diseases. Objective: The ethanolic extract of MA, was used for in vitro and in vivo studies to determine its elastase inhibitory activity. Materials and Methods: MA and its isolated compound, myrsinoside B, were tested in vitro for their elastase inhibitory activity. The MA extract was also evaluated for mutagenicity using two strains of Salmonella typhimurium (TA 98 and TA 100), microbial count, metal analysis, and stability. In vivo studies included irritancy and wrinkle reduction trials using Visioscan and Visioface. Results: The leaf extract showed good elastase inhibition with a 50% inhibitory concentration (IC50) of 28.04 MUg/ml. Myrsinoside B inhibited the elastase enzyme at an IC50 of 4.68 +/- 0.34 MUg/ml. No colony growth observed during mutagenicity studies and it was concluded that MA ethanolic extract is a nonmutagen. MA extract was found to be a nonirritant during the patch test clinical trial. MA was found to contain negligible amounts of microorganisms and heavy metals. Gel cream containing MA crude extract was found to be stable for 2 years when kept at temperatures below 30 degrees C. In clinical trials (in vivo), it was found that the test product containing 5% ethanolic extract of MA was effective in reducing wrinkles after application 2 times a day for 14 days and 28 days compared to the placebo aqueous cream. Conclusion: MA is effective in reducing the appearance of wrinkles. SUMMARY: This is a first time report of the elastase inhibitory potential of Myrsine africana and myrsinoside B and the anti-wrinkle potential of Myrsine africanaMyrsine africana ethanolic extract effectively inhibited the elastase enzymeMyrsine africana was effective in in vivo studies to reduce the appearance of wrinkles after 14 days. Abbreviations used: 4-NQO: 4 nitroquinoline, D14-BL: Baseline to day fourteen, D28-BL: Baseline to day twenty eight, CFU: Colony forming units, IC50: 50% inhibitory concentration, MA: Myrsine africana, MOU: Measurement of uncertainty, NaCl: Sodium chloride, NaH2 PO4.H2O: Sodium phosphate monobasic monohydrate, SEM: Standard error of the mean, TA 98: Salmonella typhimurium strain 98, TA 100: S. typhimurium strain 100, TLC: Thin layer chromatography, TMA: Total microbial activity, XVB salt: Vogel-Bonner medium E. PMID- 29200718 TI - alpha-Glucosidase Inhibitory Activity from Ethyl Acetate Extract of Antidesma bunius (L.) Spreng Stem Bark Containing Triterpenoids. AB - Background: Buni (Antidesma bunius [L.] Spreng) has been used as a traditional antidiabetic agent in Asia. Objective: The mechanism of antidiabetic properties was studied in this study by determine its alpha-glucosidase inhibitory activity. Method: Inhibition of alpha-glucosidase was performed in all fraction of Buni stem bark with acarbose and miglitol as standards. The half maximal inhibitory concentration (IC50) value of acarbose and miglitol was 5.75 and 59.76 MUg/mL respectively while ethyl acetate (EtOAc) fraction was the most active fraction with IC50 of 19.33 MUg/mL. Three isolates (B1, B2, and B3) were found in the EtOAc fraction and elucidated by infrared, 1hydrogen-nuclear magnetic resonance,13 carbon-nuclear magnetic resonance, and two-dimensional nuclear magnetic resonance. Result: The chemical structures of the isolates were identified by the spectrum then compared with literature which concluded that B1 is friedelin, B2 is beta-sitosterol, and B3 is betulinic acid. Inhibition of the alpha-glucosidase assay showed IC50 values of B1, B2, and B3 were 19.51, 49.85, and 18.49 MUg/mL, respectively. SUMMARY: alpha-Glucosidase inhibitory activity assay was performed in n-hexane, ethyl acetate (EtOAc), methanol fraction of Buni (Antidesma bunius (L.) Spreng) stem bark and miglitolEtOAc fraction from the liquid chromatography has the highest inhibitory activity against alpha glucosidaseThe chemical structures of the isolates were identified by the spectrums infrared, 1hydrogen-nuclear magnetic resonance,13 carbon-nuclear magnetic resonance, and two-dimensional nuclear magnetic resonance, then compared with literature which concluded that B1 is friedelin, B2 is beta-sitosterol, and B3 is betulinic acidBetulinic acid and friedelin showed the highest alpha glucosidase inhibitory activity. Abbreviations used: IC50: Half maximal inhibitory concentration; H-NMR: Hydrogen-nuclear magnetic resonance; C-NMR: Carbon nuclear magnetic resonance; 2D-NMR: Two dimensional-nuclear magnetic resonance; EtOH: Ethanol; EtOAc: Ethyl acetate; MeOH: Methanol; CHCl3: Chloroform; DMSO: Dimethyl sulfoxide; EtF: Ethyl acetate fraction; Na2CO3: Sodium carbonate; IR: Infrared; TGR5: Transmembrane G protein-coupled receptor 5; EC50: Half maximal effective concentration. PMID- 29200719 TI - Anti-cancer Effects of Polyphenolic Compounds in Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor-resistant Non-small Cell Lung Cancer. AB - Background: Polyphenolic phytochemicals are natural compounds, easily found in fruits and vegetables. Importantly, polyphenols have been intensively studied as excellent antioxidant activity which contributes to anticancer function of the natural compounds. Lung cancer has been reported to mainly account for cancer related deaths in the world. Moreover, epidermal growth factor receptor tyrosine kinase inhibitor (TKI) resistance is one of the biggest issues in cancer treatment, especially in nonsmall cell lung cancer (NSCLC). Even though several studies both in preclinical and clinical trials have showed promising therapeutic effects of polyphenolic compounds in anticancer therapy, the function of the natural compounds in TKI-resistant (TKIR) lung cancer remains poorly studied. Objective: The aim of this study is to screen polyphenolic compounds as potential anticancer adjuvants which suppress TKIR lung cancer. Materials and Methods: Colony formation and thiazolyl blue tetrazolium blue assay were performed in the pair-matched TKI-sensitive (TKIS) versus TKIR tumor cell lines to investigate the therapeutic effect of polyphenolic compounds in TKIR NSCLC. Results: Our data show that equol, kaempferol, resveratrol, and ellagic acid exhibit strong anticancer effect in HCC827 panel. Moreover, the inhibitory effect of most of tested polyphenolic compounds was highly selective for TKIR lung cancer cell line H1993 while sparing the TKIS one H2073. Conclusion: This study provides an important screening of potential polyphenolic compounds for drug development to overcome TKI resistance in advanced lung cancer. SUMMARY: The study provides an important screening of potential polyphenolic compounds for drug development to overcome tyrosine kinase inhibitor (TKI) resistance in advance lung cancerEquol, kaempferol, resveratrol, and ellagic acid show strong anticancer effect in HCC827 panel, including TKI-sensitive (TKIS) and TKI-resistant clonesThe inhibitory effect of polyphenolic compounds such as equol, kaempferol, resveratrol, ellagic acid, gallic acid, p-Coumaric, and hesperidin is highly selective for TKI resistant lung cancer cell line H1993 while sparing the TKIS one H2073. Abbreviations used: EGFR: Epidermal growth factor receptor, EMT: Epithelial-to mesenchymal transition, GTP: Green tea polyphenols, IGF1R: Insulin-like growth factor 1 receptor, MET: Met proto-oncogene, MTT: Thiazolyl blue tetrazolium blue, NSCLC: Non-small cell lung cancer, ROS: Reactive oxygen species, RTK: Receptor tyrosine kinase, STAT3: Signal transducer and activator of transcription 3, TKIR: TKI-resistant, TKIs: Tyrosine kinase inhibitors, TKIS: TKI-sensitive. PMID- 29200720 TI - Extraction of Chelerythrine and its Effects on Pathogenic Fungus Spore Germination. AB - Background: Chemical fungicides are widely used to control crop diseases, but these chemicals have adverse effects. They destroy the ecological environment and even have toxic effects on human beings. In this context, the development of botanical pesticides is relevant. One potential botanical pesticide is chelerythrine, a main alkaloid of Chelidonium majus L., which has high antitumor, fungistasis, and antiphlogosis bioactivity. Objective: This study was designed to present an ultrasonic extraction method for chelerythrine and spore germination experiments to inhibit pathogenic fungi. Fungistasis of chelerythrine is now centralized in basic microbiology experiments, such as observing bacteriostatic rings. This study investigates chelerythrine based on pathogenic fungal spore germination and the influence of germ tube elongation. Materials and Methods: Samples of C. majus L., which were wild used in this experiment, were picked from Harbin experimental forest farm of Northeast Forestry University. An L9 (34) orthogonal experiment was designed to optimize the ultrasonic extraction method. All the plant pathogenic fungus strains used in the experiment were preservation strains of Northeast Forestry University Microbial preservation center. Pathogenic fungi were cultivated by joining chelerythrine with and observed germ tube growth and spore germination. Results: The optimum ultrasonication extraction process for chelerythrine has a liquid/solid ratio of 1:8, 35 min of extraction time, 85% of ultrasonic frequency, and 75% of ethanol concentration. When the concentration of chelerythrine was 1.7 * 10-2 mg/ml, the inhibition rates of Septoria microspora Speg. spores and Curvularia lunata were 96.67% and 84.94%, respectively. Moreover, when the concentration of chelerythrine was 1.7 * 10-6 mg/ml, the inhibition rates of S. microspora spores and C. lunata were 47.64% and 12.05%, respectively. Conclusion: Fungistasis activity reached a high level with 1.7 * 10-6 mg/ml of chelerythrine. Chelerythrine has the characteristics of less dosage and obvious fungistasis and has a good prospect for botanical fungicide development. SUMMARY: S. microspora spores in chelerythrine concentration of 1.7 * 10-6 mg/ml have an inhibition rate of 47.64%. For chelerythrine concentrations 1.7 * 10-5, 1.7 * 10-4, and 1.7 * 10-3 mg/ml, the inhibition rate is 70%, 80%, and 90%, respectively. When the concentration of chelerythrine was original 1.7 * 10-2 mg/ml, the inhibition rate was 96.67%. As shown in the diagram, the germinal tubes of S. microspora spores were shorter than 50 um with 1.7 * 10-6, 1.7 * 10-5, and 1.7 * 10-4 mg/ml concentrations of chelerythrine. However, the germinal tubes of spores without chelerythrine could reach 80 um. With 1.7 * 10-3 mg/ml liquid concentration, the germination was severely inhibited; the germination under concentrate chelerythrine was limited. The inhibitory effect of chelerythrine was greatest in S. microspora. Abbreviations used:C. majus L.: Chelidonium majus L.; Sphaerulina juglandis: S. juglandis; Septoria microspora Speg.: S. microspora; Fusarium oxysporum f. sp. Lycopersici: F. oxysporum f. sp. lycopersici; F. oxysporum f. cucumerinum: F. oxysporum f. cucumerinum; Curvularia lunata: C. lunata. PMID- 29200721 TI - Helichrysetin Induces DNA Damage that Triggers JNK-Mediated Apoptosis in Ca Ski Cells. AB - Background: Cervical cancer has become one of the most common cancers in women and currently available treatment options for cervical cancer are very limited. Naturally occurring chalcones and its derivatives have been studied extensively as a potential anticancer agent in different types of cancer and helichrysetin is naturally occurring chalcone that possess potent antiproliferative activity toward human cancer cells. Materials and Methods: Inhibitory activity of helichrysetin was evaluated at different concentrations. Ability of helichrysetin to induce apoptosis and its relation with c-Jun N-terminal kinase (JNK)-mediated mechanism of apoptosis was assessed using flow cytometry and Western blotting. Results: Helichrysetin inhibited Ca Ski cells at half maximal inhibitory concentration 30.62 +/- 0.38 MUM. This compound has the ability to induce DNA damage, mitochondrial membrane disruption, and loss of cell membrane integrity. We have shown that apoptosis was induced through the activation of JNK-mediated apoptosis by DNA damage in the cells then triggering p53-downstream apoptotic pathway with increased expression of pro-apoptotic proteins, Bax and caspase 3, and suppression of Bcl-2 anti-apoptotic protein. DNA damage in the cells also caused phosphorylation of protein ataxia-telangiectasia mutated, an activator of DNA damage response. Conclusion: We conclude that helichrysetin can inhibit Ca Ski cells through DNA damage-induced JNK-mediated apoptotic pathway highlighting the potential of this compound as anticancer agent for cervical cancer. SUMMARY: Helichrysetin induced DNA damage in Ca Ski cellsDNA damage caused JNK-mediated phosphorylation of p53 resulting in p53-mediated apoptosisHelichrysetin is a potential DNA damage inducing agent through JNK activation to kill human cervical carcinoma cells. Abbreviations used: ATM: Ataxia-telangiectasia mutated, DAPI: 4',6-diamidino-2-phenylindole, DMSO: Dimethyl sulfoxide, FITC: Fluorescein isothiocyanate, IC50: Half maximal inhibitory concentration, JC1-5,5',6,6' Tetrachloro: 1',3,3'-tetraethylbenzimidazolylcarbocyanine, iodide, JNK: c-Jun N terminal kinase, MMP: Mitochondrial membrane potential, PBS: Phosphate-buffered saline, SRB: Sulforhodamine B, TUNEL: Terminal deoxynucleotidyl transferase dUTP nick labeling. PMID- 29200722 TI - In vitro and In vivo Postprandial Glycemic Activity of Citrus limetta Peel Flour. AB - Background: Previous studies of Citrus spp. peel have shown hypoglycemic and antioxidant activities. Citrus limetta has been studied for its therapeutic properties. Diabetes mellitus (DM) is a health problem in Mexico and worldwide, that takes a vital importance due to its high incidence. Recently, scientists have searched natural sources to control the disease. Materials and Methods: In this study, we evaluated the in vitro hypoglycemic activity and in vivo postprandial glycemic effect of C. limetta peel flour by glucose adsorption and retardation assays as well as postprandial serum glucose levels using a group of female Balb-c mice, respectively. Results: C. limetta peel flour showed a glucose adsorption capacity of 16.58 mM, having a similar effect regarding the positive control. The glucose diffusion in the dialysate was elevated, with a glucose dialysis retardation index of 33.79% in a period of 3 h, showing similar results to positive control. Postprandial serum glucose levels in the animal group treated with C. limetta peel flour showed a glucose level of 41.4 mg/dL, being this value significantly lower than negative control group and similar to positive control. Toxicity tests showed good tolerance to the dose of 2000 mg/kg. Conclusion: C. limetta peel flour could act as a source of functional compounds for the control of DM. SUMMARY: Citrus limetta peel flour showed a glucose adsorption capacity similar to the positive controlThe glucose diffusion in the dialysate was elevated, showing similar results to positive controlPostprandial serum glucose levels in the animal group treated with C. limetta peel flour showed a glucose level significantly lower than negative control group and similar to positive controlToxicity tests showed good toleranceC. limetta peel flour could act as a source of functional compounds for the control of diabetes mellitus. Abbreviations used: CIATEJ: Center for Research and Assistance in Technology and Design of Jalisco; DM: Diabetes mellitus; FGC: Final glucose concentration; GDRI: Glucose dialysis retardation index; IGC: Initial glucose concentration; OECD: Organization for Economic Cooperation and Development. PMID- 29200723 TI - Mice Behavioral Phenotype Changes after Administration of Anani (Symphonia globulifera, Clusiaceae), an Alternative Latin American and African Medicine. AB - Background: Anani, (Symphonia globulifera, Clusiaceae), known as chewstick, is a traditional plant occurring in Africa and in Central and South Americas that is used against parasites and microorganisms. Although its use is popular in some of these countries, there is a lack of information related to its influence over behavioral phenotype (BP). Objective: The objective of this study is to evaluate the influence of the administration of the extract obtained from the aerial organs of Anani (EB1257) to male Balb-c mice over BP. Materials and Methods: Open cage observation, open field, and elevated-plus maze apparatuses were used. Evaluations were done 15, 30, 60, 120, and 180 min after intraperitoneal administration of Anani extract. Results: Impairment of general behavior activity, response to touch, tail squeeze, defecation, locomotion and rearing frequency were observed although no signs of hemorrhage or macroscopical alterations of internal organs. Anani is harmful, but not toxic if used in the appropriate doses, yet to be determined to male mice. Impairment of locomotion and defecation was observed, indicating some degree of influence over locomotion, but no alterations in anxiety levels were assessed. Three compounds were previously found in the plant-lupeol (1), beta-amyrin (2) and 3-beta hydroxyglutin-5-ene (3), and one is being described for the first time to occur in the species: oleanolic acid (4). Conclusions: The present work contributes in the support of the rational use of Anani, an important Latin American and African alternative medicine, presenting findings that are being reported for the first time. SUMMARY: Symphonia globulifera impairs locomotion and defecatin in behavior analysesNo alterations in anxiety was observedOleanolic acid occurs in the species. Abbreviations used: BP: Behavioral phenotype; OF: Open field, EPM: Elevated-plus maze, MMA/ICMBio/SISBIO: Ministerio do Meio Ambiente/Instituto Chico Mendes de Conservacao da Biodiversidade/Sistema de Autorizacao e Informacao em Biodiversidade, IBAMA/MMA/CGen: Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renovaveis/Ministerio do Meio Ambiente/Conselho de Gestao do Patrimonio Genetico, AM: Amazonas State, UNIP: Universidade Paulista, mg: milligram, kg: kilogram, I.P: Intraperitoneal, CEUA/ICS/UNIP: Comissao de Etica no Uso de Animais/Instituto de Ciencias da Saude/Universidade Paulista, LD: Lethal dose, NLD: Nonlethal dose, GBA: General behavior activity, FCHCL3: Fraction chloroform, FBuOH: Fraction buthanol, FH2O: Fraction water, FrHEX: Fraction hexane, FrDCM: Fraction dichloromethane, FrMeOH: Fraction methanol, 13C NMR: Carbon nuclear magnetic resonance, EPA: United States Environmental Protection Agency. PMID- 29200724 TI - Bioassay-guided Isolation of Neuroprotective Fatty Acids from Nigella sativa against 1-methyl-4-phenylpyridinium-induced Neurotoxicity. AB - Objective: Parkinson's disease, a slowly progressive neurological disease, is associated with degeneration of the basal ganglia of the brain and a deficiency of the neurotransmitter dopamine. The main aspects of researches are the protection of normal neurons against degeneration. Fatty acids (FAs), the key structural elements of dietary lipids, are carboxylic straight chains and notable parameters in nutritional and industrial usefulness of a plant. Materials and Methods: Black cumin, a popular anti-inflammatory and antioxidant food seasoning, contains nonpolar constituents such as FAs which were extracted using hexane. Different fractions and subfractions were apt to cytoprotection against apoptosis and inflammation induced by 1-methyl-4-phenylpyridinium (MPP+) in rat pheochromocytoma cell line (PC12) as a neural cell death model. The experiment consisted of examination of cell viability assessment, mitochondrial membrane potential (MMP), caspase-3 and -9 activity, and measurement of cyclooxygenase (COX) activity. Results: MPP+ induced neurotoxicity in PC12 cells. Pretreatment with subfractions containing FA mixtures attenuated MPP+-mediated apoptosis partially dependent on the inhibition of caspase-3 and -9 activity and increasing the MMP. A mixture of linoleic acid, oleic acid, and palmitic acid also decreased the COX activity induced by MPP+ in PC12 cells. Conclusion: Our observation indicated that subtoxic concentration of FA from Nigella sativa may exert cytoprotective effects through their anti-apoptotic and anti-inflammation actions and could be regarded as a dietary supplement. SUMMARY: MPP+ induced neurotoxicity in PC12 cellsNigella sativa contains bioactive fatty acidsPretreatment with fatty acids attenuated MPP+ mediated apoptosis through inhibition of caspase 3 and 9 activityA mixture of linoleic acid, oleic acid, and palmitic acid decreased the COX activity induced by MPP+ in PC12 cellsDue to cytoprotective, anti apoptotic and anti inflammation actions of N. sativa, it could be regarded as a dietary supplement. Abbreviations used: ANOVA: Analysis of variance; Ca: Calcium; CDCl3: Chloroform; COX: Cyclooxygenase; DMSO: Dimethyl sulfoxide; EA: Elidic acid; EDTA: Ethylene diamine tetraacetic acid; ELISA: Enzyme Linked Immunosorbent Assay; ESI-MS: Electron spray mass spectroscopy; FAs: Fatty acids; FBS: Fetal bovine serum; GC: Gas chromatography; 1HNMR: Hydrogen nuclear magnetic resonance; LA: Linoleic acid; MPP+: 1-Methyl-4-phenylpyridinium; MPTP: 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine; MTT: 3-(4,5 dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide; N. sativa: Nigella sativa; OA: Oleic acid; PA: Palmitic acid; PBS: Phosphate buffer saline; PC12: Rat pheochromocytoma cell line; PD: Parkinson's disease; PDA: Photo diode array detector; PGE2: Prostaglandin E2; TLC: Thin layer chromatography; TMPD: N,N,N',N' tetramethyl-p-phenylenediamine; USA: United states of America. PMID- 29200725 TI - Ligustilide Relieves Complete Freund's Adjuvant-induced Mechanical Hyperalgesia through Inhibiting the Activation of Spinal c-Jun N-terminal Kinase/c-Jun Pathway in Rats. AB - Background: Ligustilide, an active ingredient in a traditional Chinese medicine, has anti-inflammatory and analgesic effects. The underlying mechanisms of the anti-inflammatory pain effects of ligustilide are not completely understood. Objective: The aim of this study to investigate whether ligustilide conducts its analgesic effects on the complete Freund's adjuvant (CFA)-induced inflammatory pain through regulating the c-Jun N-terminal kinase (JNK)/c-Jun pathway in the spinal cord. Materials and Methods: Paw withdrawal thresholds (PWTs) and paw withdrawal latencies (PWLs) were tested to examine the analgesic effect of ligustilide on CFA-induced inflammatory pain in rats. The change of spinal JNK/c Jun activation was detected by western blotting after CFA injection with or without consecutive intrathecal ligustilide administration. After SP600125 (JNK inhibitor) was intrathecally injected in CFA rats, PWTs and PWLs were tested to investigate the change of ligustilide's analgesic effect. Results: Repeated intravenous injection of ligustilide could attenuate the pain hypersensitivity induced by CFA. CFA caused increased activation of spinal JNK/c-Jun, which could be inhibited by ligustilide administration. Intrathecal injection of JNK inhibitor inhibited the CFA-induced mechanical hyperalgesia. Conclusion: Ligustilide could inhibit the upregulation of spinal p-JNK/p-c-Jun caused by CFA, and the inhibition of JNK/c-Jun activation is closely related to its anti mechanical hyperalgesia effect in inflammatory pain. SUMMARY: Ligustilide, an active ingredient in a popular traditional Chinese medicine, has effective anti inflammatory and analgesic effects. Ligustilide inhibits the complete Freund's adjuvant-induced activation of spinal c-Jun N-terminal kinase-(JNK)/c-Jun pathway in rats. The inhibition of JNK/c-Jun activation is closely related to the anti mechanical hyperalgesia effect of ligustilide. Abbreviations used: CFA: Complete Freund's adjuvant, JNK: c-Jun N-terminal kinase, MAPK: Mitogen-activated protein kinase, PWT: Paw withdrawal threshold, PWL: Paw withdrawal latency. PMID- 29200728 TI - Superoxide Scavenging and Antiglycation Activity of Rhinacanthins-rich Extract Obtained from the Leaves of Rhinacanthus nasutus. AB - Background: Oxidative stress and nonenzymatic protein glycation lead to serious diabetic complications that increase the risk of mortality. Rhinacanthus nasutus leaf crude extracts are previously reported for their antidiabetic, antiglycation, and antioxidant potential. Objective: The present study was performed to prepare a standardized rhinacanthins-rich extract (RRE) and evaluate its superoxide scavenging and antiglycation effects as compared to its marker compounds, namely, rhinacanthin-C (RC), rhinacanthin-D (RD), and rhinacanthin-N (RN). Materials and Methods: RRE was obtained by microwave-assisted green extraction along with a simple step of fractionation using Amberlite(r) column. RC, RD, and RN were isolated from the RRE using silica gel column chromatography. Superoxide scavenging activity was performed by cyclic voltammetry, and fructose mediated human serum albumin glycation model was used for antiglycation activity. In silico studies were conducted to identify the structure-activity relationships of rhinacanthins. Results: On the basis of kinetic measurements, RRE exhibited the most potent antioxidant activity via ErCi mechanism, with a 50% inhibitory concentration (IC50) value of 8.0 MUg/mL, antioxidant capacity of 39439 M-1, and binding constant of 45709 M-1. Antiglycation assay showed that RRE exhibited almost equivalent glycation inhibitory effect to that of RC, with IC50 values of 39.7 and 37.3 MUg/mL, respectively, but higher than that of RD (IC50 of 50.4 MUg/mL), RN (IC50 of 89.5 MUg/mL), as well as the positive control, rutin (IC50 of 41.5 MUg/mL). Conclusions: The potent superoxide scavenging and albumin glycation inhibitory effect of RRE rationalized its therapeutic application in various chronic diseases, especially in the complications of diabetes. SUMMARY: Rhinacanthins-rich extract (RRE) exhibited potent superoxide scavenging activityRRE and rhinacanthin-C showed remarkable and comparable antiglycation effectRhinacanthins exhibited antiglycation activity by masking specific residues of albumin. Abbreviations used: RRE: Rhinacanthins-rich extract; RC: Rhinacanthin C; RD: Rhinacanthin-D; RN: Rhinacanthin-N; IC50: 50% inhibitory concentration; Kao: Antioxidant activity coefficient; Kb: Binding constant; ErCi: Reversible electron transfer followed by an irreversible chemical reaction; DM: Diabetes mellitus; AGEPs: Advanced glycation end products; NMR: Nuclear magnetic resonance; HPLC: High-performance liquid chromatography; CV: Cyclic voltammetry; DMSO: Dimethyl sulfoxide; Ipa: Anodic peak current; Ipc: Cathodic peak current; HSA: Human serum albumin; MOE: Molecular operating environment; PASSonline: Online prediction of activity spectra for substances. PMID- 29200727 TI - Antioxidant, Acetylcholinesterase, Butyrylcholinesterase, and alpha-glucosidase Inhibitory Activities of Corchorus depressus. AB - Background: Corchorus depressus (Cd) commonly known as Boa-phalee belonging to the family Tiliaceae having 50 genera and 450 species. Cd is not among the studied medicinal agent despite its potential in ethnopharmacology. Objectives: The present study investigated antioxidant, acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and alpha-glucosidase inhibitory activities of Cd. The dichloromethane and methanolic extracts of the Cd were evaluated for biological activities such as antioxidant and enzyme inhibitory activities of AChE, BChE, and alpha-glucosidase. Materials and Methods: Antioxidant activity was evaluated by measuring free radical scavenging potential of Cd using 1,1 diphenyl-2-picrylhydrazyl. Enzyme inhibition activities were done by measuring optical density. Results: The methanol extract of roots of Cd showed potential free radical scavenging activity 99% at concentration 16.1 MUg/ml. AChE was inhibited by aerial part of dichloromethane fraction by 46.07% +/- 0.45% while dichloromethane extracts of roots of Cd possessed significant activity against BChE with 86% inhibition compared with standard drug Eserine at concentration 0.5 mg/ml. The dichloromethane extract of roots of Cd showed 79% inhibition against alpha-glucosidase enzyme activity with IC50 62.8 +/- 1.5 MUg/ml. Conclusion: These findings suggest Cd as useful therapeutic option as antioxidant and inhibition of AChE, BChE, and alpha-glucosidase activities. SUMMARY: The aerial parts and roots of Corchorus depressus (Cd) were extracted in dichloromethane and methanolThe extract of roots of Cd showed free radical scavenging activity 99% at concentration 16.1 mg/ml, Ach inhibition by aerial parts of dichloromethane fraction by 46.07%, and 79% inhibition against a-glucosidase enzyme activity with IC50 62.8 +/- 1.5 mg/mlThe dichloromethane and methanolic extracts of Cd exhibited antioxidant inhibition of acetyl cholinesterase, butyrylcholinesterase, and a-glucosidase activities. Abbreviations used: DPPH: 1,1-diphenyl-2 picrylhydrazyl, Cd: Corchorus depressus, AChE: Acetylcholinesterase, BChE: Butyrylcholinesterase, AD: Alzheimer's disease. PMID- 29200726 TI - Influence of Flavonoids on Mechanism of Modulation of Insulin Secretion. AB - Background: The development of alternatives for insulin secretion control in vivo or in vitro represents an important aspect to be investigated. In this direction, natural products have been progressively explored with this aim. In particular, flavonoids are potential candidates to act as insulin secretagogue. Objective: To study the influence of flavonoid on overall modulation mechanisms of insulin secretion. Methods: The research was conducted in the following databases and platforms: PubMed, Scopus, ISI Web of Knowledge, SciELO, LILACS, and ScienceDirect, and the MeSH terms used for the search were flavonoids, flavones, islets of Langerhans, and insulin-secreting cells. Results: Twelve articles were included and represent the basis of discussion on mechanisms of insulin secretion of flavonoids. Papers in ISI Web of Knowledge were in number of 1, Scopus 44, PubMed 264, ScienceDirect 511, and no papers from LILACS and SciELO databases. Conclusion: According to the literature, the majority of flavonoid subclasses can modulate insulin secretion through several pathways, in an indication that corresponding molecule is a potential candidate for active materials to be applied in the treatment of diabetes. SUMMARY: The action of natural products on insulin secretion represents an important investigation topic due to their importance in the diabetes controlIn addition to their typical antioxidant properties, flavonoids contribute to the insulin secretionThe modulation of insulin secretion is induced by flavonoids according to different mechanisms. Abbreviations used: KATP channels: ATP-sensitive K+ channels, GLUT4: Glucose transporter 4, ERK1/2: Extracellular signal-regulated protein kinases 1 and 2, L VDCCs: L-type voltage-dependent Ca+2 channels, GLUT1: Glucose transporter 1, AMPK: Adenosine monophosphate-activated protein kinase, PTP1B: Protein tyrosine phosphatase 1B, GLUT2: Glucose transporter 2, cAMP: Cyclic adenosine monophosphate, PKA: Protein kinase A, PTK: Protein tyrosine kinase, CaMK II: Ca2+/calmodulin-dependent protein kinase II, GSIS: Glucose-stimulated insulin secretion, Insig-1: Insulin-induced gene 1, IRS-2: Insulin receptor substrate 2, PDX-1: Pancreatic and duodenal homeobox 1, SREBP-1c: Sterol regulatory element binding protein-1c, DMC: Dihydroxy-6'-methoxy-3',5'-dimethylchalcone, GLP-1: Glucagon-like peptide-1, GLP-1R: Glucagon-like peptide 1 receptor. PMID- 29200729 TI - Rapid Quantitative Analysis of Naringenin in the Fruit Bodies of Inonotus vaninii by Two-phase Acid Hydrolysis Followed by Reversed Phase-high Performance Liquid Chromatography-ultra Violet. AB - Introduction: Sanghuang is one of mystical traditional Chinese medicines recorded earliest 2000 years ago, that included various fungi of Inonotus genus and was well-known for antitumor effect in modern medicine. Inonotus vaninii is grown in natural forest of Northeastern China merely and used as Sanghuang commercially, but it has no quality control specification until now. This study was to establish a rapid method of two-phase acid hydrolysis followed by reversed phase high performance liquid chromatography-ultra violet (RP-HPLC-UV) to quantify naringenin in the fruit body of I. vaninii. Materials and Methods: Sample solution was prepared by pretreatment of raw material in two-phase acid hydrolysis and the hydrolysis technology was optimized. After reconstitution, analysis was performed using RP-HPLC-UV. The method validation was investigated and the naringenin content of sample and comparison were determined. Results: The naringenin was obtained by two-phase acid hydrolysis method, namely, 10.0 g of raw material was hydrolyzed in 200 mL of 1% sulfuric acid aqueous solution (v/v) and 400 mL of chloroform in oil bath at 110 degrees C for 2 h. Good linearity (r = 0.9992) was achieved between concentration of analyte and peak area. The relative standard deviation (RSD) of precision was 2.47% and the RSD of naringenin contents for repeatability was 3.13%. The accuracy was supported with recoveries at 96.37%, 97.30%, and 99.31%. The sample solution prepared using the proposed method contained higher content of naringenin than conventional method and was stable for 8 h. Conclusion: Due to the high efficiency of sample preparation and high reliability of the HPLC method, it is feasible to use this method for routine analysis of naringenin in the fungus. SUMMARY: A convenient two-phase acid hydrolysis was employed to produce naringenin from raw material, and then an efficient and reliable reversed phase-high performance liquid chromatography-ultra violet method was established to monitor naringenin in the fruit bodies of Inonotus vaninii. The newly established method could be used to control the quality of the herb. Abbreviations used: RP-HPLC-UV: Reversed Phase High Performance Liquid Chromatography-Ultra Violet, RSD: Relative Standard Deviation, EtOAc: Ethyl acetate, ACN: Acetonitrile, MeOH: Methanol, RH: Relative Humility. PMID- 29200730 TI - Comparative Proteomic Analysis of Three Gelatinous Chinese Medicines and Their Authentications by Tryptic-digested Peptides Profiling using Matrix-assisted Laser Desorption/Ionization-time of Flight/Time of Flight Mass Spectrometry. AB - Background: Gelatinous Chinese medicines (GCMs) including Asini Corii Colla, Testudinis Carapacis ET Plastri Colla, and Cervi Cornus Colla, were made from reptile shell or mammalian skin or deer horn, and consumed as a popular tonic, as well as hemopoietic and hemostatic agents. Misuse of them would not exert their functions, and fake or adulterate products have caused drug market disorder and affected food and drug safety. GCMs are rich in denatured proteins, but insufficient in available DNA fragments, hence commonly used cytochrome c oxidase I barcoding was not successful for their authentication. Objective: In this study, we performed comparative proteomic analysis of them and their animal origins to identify the composition of intrinsic proteins for the first time. Materials and Methods: A reliable and convenient approach was proposed for their authentication, by the incorporation of sodium dodecyl sulfate-polyacrylamide gel electrophoresis, two-dimensional electrophoresis, and matrix-assisted laser desorption/ionization-time of flight/time of flight mass spectrometry (MALDI TOF/TOF-MS). Results: A total of 26 proteins were identified from medicinal parts of original animals, and GCMs proteins presented in a dispersive manner in electrophoresis analyses due to complicated changes in the structure of original proteins caused by long-term decoction and the addition of ingredients during their manufacturing. In addition, by comparison of MALDI-TOF/TOF-MS profiling, 19 signature peptide fragments originated from the protein of GCM products were selected according to criteria. Conclusion: These could assist in the discrimination and identification of adulterates of GCMs and other ACMs for their form of raw medicinal material, the pulverized, and even the complex. SUMMARY: Comparative proteomic analysis of three gelatinous Chinese medicines was conducted, and their authentications were based on tryptic-digested peptides profiling using matrix-assisted laser desorption/ionization-time of flight/time of flight mass spectrometry. Abbreviations used: GCMs: Gelatinous Chinese medicines, COI: Cytochrome c oxidase I, SDS-PAGE: Sodium dodecyl sulfate polyacrylamide gel electrophoresis, 2-DE: Two-dimensional electrophoresis, MALDI TOF/TOF-MS: Matrix-assisted laser desorption/ionization-time of flight/time of flight mass spectrometry, LC: Liquid chromatography, ChP: Chinese Pharmacopoeia, HPLC: High performance liquid chromatography, LC-ESI+-MS: Liquid chromatography electro spray ionization-mass spectrometry, IEF: isoelectric focusing, HCCA: alpha-Cyano-4-hydroxycinnamic acid. PMID- 29200731 TI - Brazilian Cerrado Qualea grandiflora Mart. Leaves Exhibit Antiplasmodial and Trypanocidal Activities In vitro. AB - Background: The rapid spread of drug-resistant strains of protozoan parasites required the urgent need for new effective drugs. Natural products offer a variety of chemical structures, which make them a valuable source of lead compounds for the development of such new drugs. Cerrado is the second largest biome in Brazil and has the richest flora of all the world savannahs. We selected Qualea grandiflora, a plant species known for its proprieties in folk medicine and its antibacterial activity. Objective: However, its antiprotozoal activity was not yet explored. Materials and Methods: We investigated the activities of fractions from the ethyl acetate extract of Q. grandiflora leaves against human life forms of Plasmodium falciparum, Trypanosoma cruzi, and Trypanosoma brucei gambiense, and for its cytotoxicity upon the rat L6-myoblast cell line. Ten fractions were produced by ethyl acetate:hexane chromatography. Results and Conclusion: The fractions showed no cytotoxicity against L-6 cells (IC50 > 100 MUg/mL) and no hemolysis propriety. Three fractions had a moderate activity against P. falciparum, anyone was active against T. cruzi but four fractions demonstrated a high activity against bloodstream forms of T. brucei gambiense (8.0< IC50 <15 MUg/mL). Identification and characterization of the active compounds are currently under investigation. SUMMARY: Qualea grandiflora is an endemic tree of the Brazilian Cerrado, which presents medicinal propertiesTen fractions of the ethyl acetate extract of Q. grandiflora leaves were assessed against Plasmodium falciparum, Trypanosoma Cruzi, and Trypanosoma brucei gambienseNo fraction showed relevant cytotoxicity and hemolysis activityAll the fractions presented antiplasmodial and trypanocidal activitiesThree fractions with moderate antiplasmodial activity (49< IC50 <56 MUg/mL)Four fractions with high activity against bloodstream forms of T. brucei gambiense (8.0< IC50 <15 MUg/mL). Abbreviations used: CQ: Chloroquine, DMSO: Dimethyl sulfoxide, HEPES: 4 (2-hydroxyethyl)-1-piperazineethanesulfonic acid, HMI: Modified Iscove's medium, IC50: Concentration inhibiting 50% of parasite growth, IC90: Concentration inhibiting 90% of parasite growth, MTT: 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide, RPMI: Roswell Park Memorial Institute, SD: Standard deviation, SI: Ratio of cytotoxicity to biological activity - TC50/IC50, TC50: Concentration causing 50% of cell growth inhibition, TC90: Concentration causing 90% of cell growth inhibition, TLC: Thin-layer chromatography. PMID- 29200732 TI - Two New Phenolic Glycosides from the Aerial Part of Dryopteris erythrosora. AB - Background: Dryopteris erythrosora (D.C. Eaton) Kuntze is a species of fern in the family of Dryopteridaceae, which is distributed throughout East Asia. The genus Dryopteris has been used as traditional medicine, especially to treat hepatitis and protect liver. However, only few studies of chemical constituents of D. erythrosora have been conducted so far. Objective: In this study, we investigated the phytochemical constituents of D. erythrosora. Materials and Methods: The 80% methanol extract of the aerial part of D. erythrosora was used for the isolation of phenolic compounds. The isolated compounds were elucidated by various spectroscopic methods including nuclear magnetic resonance and mass spectrometry. Results: The present phytochemical investigation on the aerial part of D. erythrosora led to the isolation of two new phenolic glycosides, 1 and 2, as well as nine known flavonoids including two flavones (3 and 4) and seven flavonols (5-11). Conclusion: In this study, two new phenolic glycosides together with nine known flavonoids were isolated from the aerial part of D. erythrosora. Among them, compounds 4, 8, and 11 were isolated for the first time in Dryopteridaceae family from the present investigation. These results helped us to enrich our understanding of the chemical constituents of D. erythrosora and to identify compounds 1 and 2 which could be potential chemotaxonomic markers for the species. SUMMARY: The genus Dryopteris has been used as traditional medicine, especially to treat hepatitis and protect liverTwo new phenolic glycosides were isolated from D. erythrosoraNine known flavonoids (3-11) were isolated from D. erythrosoraCompounds 4, 8, and 11 were isolated for the first time in Dryopteridaceae family. Abbreviations used: HPLC: High-performance liquid chromatography; Q-TOF LC/MS: Quadrupole-time-of-flight liquid chromatography/mass spectrometry; NMR: Nuclear magnetic resonance; TMS: Tetramethylsilane. PMID- 29200733 TI - Amelioration of Intestinal Barrier Dysfunction by Berberine in the Treatment of Nonalcoholic Fatty Liver Disease in Rats. AB - Objective: To investigate the effect of berberine (BBR) on intestinal barrier function in nonalcoholic fat liver disease (NAFLD) in rats. Materials and Methods: Rats were divided into three groups: normal diet group (control group [CON group]), high-fat diet feeding group (HFD group), and HFD with BBR group. After 8 weeks of HFD feeding, rats in the BBR group were given BBR intragastrically at a dose of 150 mg/kg daily for 4 weeks. The same volume of normal saline was given to the CON and HFD groups. Liver index was detected, and Sudan black B staining was used to study fatty degeneration, also the expression level of occluding and intestinal flora was analyzed. Results: BBR administration significantly reduced HFD-induced increase in body weight (CON group: 379.83 +/- 61.51 g, HFD group: 485.24 +/- 50.15 g, and BBR group: 428.60 +/- 37.37 g). It obviously alleviated the HFD-induced liver fatty degeneration and histopathological changes of intestinal mucosa according to liver index low density lipoprotein-cholesterol, high-density lipoprotein-cholesterol, and total cholesterol (P < 0.05). The triglyceride, alanine transaminase, and aspartate aminotransferase levels were greatly elevated after BBR treatment (P < 0.05); while endotoxin, intestinal fatty acid-binding protein, and tumor necrosis factor alpha were significantly reduced (P < 0.05). Moreover, we found that BBR could obviously elevate the level of occludin and decrease the level of Faecalibacterium prausnitzii and upregulate the level of bacteroides. Conclusion: BBR provides significant protection in NAFLD through ameliorating intestinal barrier function. SUMMARY: Berberine (BBR), an alkaloid that can be isolated from many plants, has been medically used for its wide range of antimicrobial and anti inflammatory effectsThis is a study of BBR on liver function and intestinal barrier function in nonalcoholic fat liver disease (NAFLD)BBR treatment for NAFLD could significantly restore the liver function and provide significant protection in NAFLD through ameliorating intestinal barrier function. Abbreviations used: BBR: Berberine, NAFLD: Nonalcoholic fat liver disease, ALT: Alanine transaminase, AST: Aspartate aminotransferase, TG: Triglyceride, I-FABP: Intestinal-fatty acid binding protein, IBD: Inflammatory bowel disease. PMID- 29200734 TI - Toxicity and Detoxification Effects of Herbal Caowu via Ultra Performance Liquid Chromatography/Mass Spectrometry Metabolomics Analyzed using Pattern Recognition Method. AB - Background: Caowu (Radix Aconiti kusnezoffii, CW), the root of Aconitum kusnezoffii Reichb., has widely used clinically in rheumatic arthritis, painful joints, and tumors for thousands of years. However, the toxicity of heart and central nervous system induced by CW still limited the application. Materials and Methods: Metabolomics was performed to identify the sensitive and reliable biomarkers and to characterize the phenotypically biochemical perturbations and potential mechanisms of CW-induced toxicity, and the detoxification by combinatorial intervention of CW with Gancao (Radix Glycyrrhizae) (CG), Baishao (Radix Paeoniae Alba) (CB), and Renshen (Radix Ginseng) (CR) was also analyzed by pattern recognition methods. Results: As a result, the metabolites were characterized and responsible for pentose and glucuronate interconversions, tryptophan metabolism, amino sugar and nucleotide sugar metabolism, taurine and hypotaurine metabolism, fructose and mannose metabolism, and starch and sucrose metabolism, six networks of which were the same to the metabolic pathways of Chuanwu (Radix Aconiti, CHW) group. The ascorbate and aldarate metabolism was also characterized by CW group. The urinary metabolomics also revealed CW-induced serious toxicity to heart and liver. Thirteen significant metabolites were identified and had validated as phenotypic toxicity biomarkers of CW, five biomarkers of which were commonly owned in Aconitum. The changes of toxicity metabolites obtained from combinatorial intervention of CG, CB, and CR also were analyzed to investigate the regulation degree of toxicity biomarkers adjusted by different combinatorial interventions at 6th month. Conclusion: Metabolomics analyses coupled with pattern recognition methods in the evaluation of drug toxicity and finding detoxification methods were highlighted in this work. SUMMARY: Metabolomics was performed to characterize the biochemical potential mechanisms of Caowu toxicityThirteen significant metabolites were identified and validated as phenotypic toxicity biomarkers of CaowuMetabolite changes of toxicity obtained can be adjusted by different combinatorial interventions.Pattern recognition plot reflects the toxicity effects tendency of the urine metabolic fluctuations according to time after treatment of herbal Caowu. Abbreviations used: CW: Caowu (Radix Aconiti kusnezoffii); CHW: Chuanwu (Radix Aconiti); TCM: Traditional Chinese Medicine; CG: Caowu and Gancao; CB: Caowu and Baishao; CR: Caowu and Renshen; QC: Quality control; UPLC: Ultra performance liquid chromatography; MS: Mass spectrometry; PCA: Principal component analysis; PLS-DA: Partial least squares-discriminant analysis; OPLS: Orthogonal projection to latent structures analysis. PMID- 29200735 TI - Therapeutic Effects of Cyathula officinalis Kuan and Its Active Fraction on Acute Blood Stasis Rat Model and Identification Constituents by HPLC-QTOF/MS/MS. AB - Background: Cyathula officinalis Kuan is widely used in the clinics for the treatment of blood stasis in China. Objective: To evaluate the improving blood rheology and anti-inflammatory properties of C. officinalis Kuan extract (CO) and its active fraction (ACO) on acute blood stasis model Wistar rats and characterize the correlative constituents. Materials and Methods: CO at 0.26, 0.53, and 1.04 g/kg and ACO at 0.38, 0.75, and 1.5 g/kg were administered to acute blood stasis model Wistar rats for 3 days. Whole blood viscosity, plasma viscosity, and the levels of interleukin-6 (IL-6), nitric oxide (NO), tumor necrosis factor alpha (TNF-alpha), and cyclooxygenase-2 (COX-2) in the plasma were measured. HPLC-QTOF/MS/MS method was used to identify the major constituents of ACO; the properties of two representative components (cyasterone and chikusetsusaponin IV) from ACO on thrombin-induced human umbilical vein endothelial cells damage model were also assessed by the levels of thromboxane A2 (TXA2), endothelin (ET), malondialdehyde (MDA), COX-2, endothelial nitric oxide synthase (eNOS), and superoxide dismutase (SOD). Results: CO and ACO significantly reduced whole blood viscosity, plasma viscosity, and levels of IL 6, NO, TNF-alpha, and COX-2 in vivo. Forty compounds were identified from ACO, mainly as phytoecdysteroids and saponins. Cyasterone and chikusetsusaponin IV could significantly inhibit levels of TXA2, ET, MDA, and COX-2 and promote the activities of eNOS and SOD in vitro. Conclusion: CO and ACO possessed significant improving blood rheology and anti-inflammatory effects on acute blood stasis model rats and the representative components Cyasterone and chikusetsusaponin IV showed significant anti-inflammatory, antioxidant, and anticoagulant effects in vitro. SUMMARY: Cyathula officinalis Kuan is widely used in the clinic for the treatment of blood stasis in ChinaThe C. officinalis Kuan extract and the active fraction of C. officinalis Kuan (ACO) possessed significant improving blood rheology and anti-inflammatory effects on acute blood stasis model ratsForty compounds were identified from ACO, mainly as phytoecdysteroids and saponins Abbreviations used: TCM: Traditional Chinese Medicine, CO: Cyathula officinalis Kuan extract, ACO: Active fraction of Cyathula officinalis Kuan, ROS: Reactive oxygen species, IL-6: Interleukin-6, TNF-alpha: Tumor necrosis factor alpha, NO: Nitric oxide, COX-2: Cyclooxygenase-2, TXA2: Thromboxane A2, ET: Endothelin, MDA: Malondialdehyde, eNOS: Endothelial nitric oxide synthase, SOD: Superoxide dismutase, ESI: Electronic spray ionization, ELISA: Enzyme-linked immunosorbent assay, HUVECs: Human umbilical vein endothelial cells, DMEM: Dulbecco's modified Eagle medium, MMP: Matrix metalloproteinase. PMID- 29200736 TI - Induction of Apoptosis by Tithonia diversifolia in Human Hepatoma Cells. AB - Background: Traditional Chinese herb Tithonia diversifolia, belonging to the Compositae family, has long been applied for the treatment of liver diseases. In recent years, many reports also indicated that it possesses hepato-protective, anti-inflammatory, and anti-cancer activities. Objective: In this study, we evaluated whether T. diversifolia is an effective therapy for hepatocellular carcinoma (HCC). Materials and Methods: Dry leaves of T. Diversifolia were first extracted in ethyl acetate, then further fractionated by different ratio of n hexane-ethyl acetate (8:2->0:1) or methanol as fractions 1-6 (Td-F1 to Td-F6), respectively. We first showed that the ethyl acetate extracts of T. diversifolia leaves (Td-L-EA) exhibits growth inhibition on human hepatoma HepG2 cells. To further check the extracts-induced apoptosis, microscopic observation, fragmented chromosomal DNA electrophoresis, apoptotic DNA-detection ELISA assay, flow cytometry, and Western blot analysis were performed. Results: After isolating the effective fractions from Td-L-EA, we found strong cytotoxic effects of fraction-2 (Td-F2). By further analyzing the mechanisms of cytotoxic activities using microscopic observation, fragmented chromosomal DNA electrophoresis, apoptotic DNA-detection ELISA assay, and flow cytometry, we found that induction of apoptosis such as DNA fragmentation increased the apoptosis rate and the apoptosis sub-G1 populations in Td-F2-treated HepG2 cells. In addition, we also confirmed Td-F2-induced degradation of caspase-8, caspase-9, caspase-3, and caspase-3 substrate PARP. Besides, Td-F2 also increased the Bcl-2 proapoptotic family protein Bax expression. Conclusion: In short, our results clearly showed the induction of apoptosis by ethyl acetate extracts of T. diversifolia leaves in human hepatoma HepG2 cells, suggesting its potential application as an antitumor agent. SUMMARY: T. Diversifolia leaves were first extracted in ethyl acetate, then further fractionated by different ratio of n-hexane/ethyl acetate (8:2->0:1) or methanol.These extracts exhibit growth inhibition on human hepatoma (HCC) HepG2 cells.n-Hexane/ethyl acetate (6:4) extract (Td-F2) induces apoptosis of HCC. Abbreviations used:T. diversifolia, Tithonia diversifolia; HCC, Hepatocellular carcinoma DMEM, Dulbecco's modified Eagle's medium; DMSO, dimethyl sulfoxide; HRP, horseradish peroxidase; MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyl tetrazolium bromide; OD, optical density; SDS-PAGE, sodium dodecylsulfate-polyacrylamide gel electrophoresis; PARP, Poly (ADP-ribose) polymerase; PBS, phosphate buffered saline; PI, propidium iodide. PMID- 29200737 TI - Hispidulin-7-O-Neohesperidoside from Cirsium japonicum var. ussuriense Attenuates the Production of Inflammatory Mediators in LPS-Induced Raw 264.7 Cells and HT-29 Cells. AB - Background: Inflammatory bowel disease (IBD) is characterized by chronic inflammation of the gastrointestinal tract and involves secretion of inflammatory mediators. The flavone diglycoside hispidulin-7-O-neohesperidoside (HN) isolated from the methanolic extract of aerial parts of Cirsium japonicum var. ussuriense, but its pharmacologic activities, with the exception of alleviation of alcohol toxicity, have not been investigated to date. Objective: The aim of the present study was to investigate the anti-inflammatory activities of HN for the treatment of chronic inflammatory illnesses, including IBD. Materials and Methods: In lipopolysaccharide (LPS)-induced RAW264.7 cells and HT-29 cells, the effects of HN on cell viability and nitric oxide (NO) production were examined via MTT assay and the Griess reaction, respectively. The expression levels of interleukin (IL) 1alpha, IL-8, and tumor necrosis factor (TNF)-alpha and inducible nitric oxide synthase (iNOS) protein levels were measured by enzyme-linked immunosorbent assay and Western blotting, respectively. Results: HN concentration-dependently inhibited NO production in LPS-induced RAW 264.7 cells. Treatment with HN considerably downregulated the levels of the pro-inflammatory cytokines, IL-1beta and TNF-alpha and the iNOS protein level in LPS-induced RAW 264.7 cells. Furthermore, HN inhibited the production of the chemotactic cytokine, IL-8, in LPS-induced HT-29 cells. Conclusion: HN has potential as an anti-inflammatory agent to prevent and/or treat IBD. SUMMARY: Hispidulin-7-O-neohesperidoside (HN) is flavone diglycoside isolated from the methanolic extract of aerial parts of Cirsium japonicum var. ussuriense.HN concentration-dependently inhibited NO production and considerably downregulated the levels of the proinflammatory cytokines, IL-1beta and TNF-alpha, and the iNOS protein level in LPS-induced RAW 264.7 cells.HN inhibited the production of the chemotactic cytokine, IL-8, in LPS induced HT-29 cells.HN has potential as an anti-inflammatory agent to prevent and/or treat IBD. Abbreviations used: IBD: Inflammatory bowel disease, HN: hispidulin-7-O-neohesperidoside, LPS: lipopolysaccharide, NO: nitric oxide, IL: interleukin, TNF: tumor necrosis factor, iNOS: inducible nitric oxide synthase, CD: Crohn's disease, UC: ulcerative colitis, RT: room temperature, DMEM: Dulbecco's modified Eagle's medium, FBS: fetal bovine serum, PBS: phosphate buffered saline, SDS: sodium dodecyl sulfate, PVDF: polyvinylidene difluoride, SD: standard deviation. PMID- 29200738 TI - In Vitro Bioassay-guided Isolation of Radioprotective Fractions from Extracts of Pinus koraiensis Bark. AB - Objective: The aim of this study was to evaluate radioprotective effect of extracts of Pinus koraiensis bark and its fractions on rat splenocytes by using bioassay-guided isolation in order to obtain the best active fraction. Materials and Methods: P. koraiensis bark was ground and extracted with water, 40% acetone, 95% ethanol. Bio-guided assay was selected as an evaluation method to further fractionate radioprotective component from P. koraiensis bark extract. Total phenolic and flavonoid contents in fractions were also measured. Rat splenocytes were prepared by using mechanical trituration method. DNA damage was assessed as comet parameters (tail DNA%, tail length, tail moment, olive tail moment). The levels of malondialdehyde (MDA), and activity of superoxide dismutase (SOD), catalase (CAT) in cultured rat splenocytes were also measured. Results: The radioprotective effects decreased from rutin >95% ethanol extracts of Pinus koraiensis bark (95EEP) >40AEP > WEP. The stimulating effects decreased from rutin > n-butanol extract (NBE) > EAE. The results demonstrate that there exists toxic ingredients (PEE and dichloromethane extract), proliferative-promoting, radioprotective component (EAE and NBE) in 95EEP. fraction eluted from n-butanol fractions of 95EEP with 50% methanol solution (NBEPKB-50ME), a fraction of NBE result from bio-guided isolation, demonstrates good radioprotective efficacy on rat splenocytes. NBEPKB-50ME pretreated rat splenocytes demonstrated progressively reduced levels of MDA when compared with gamma-ray exposed cells. Different dose of NBEPKB-50ME pretreatment with 8 Gy-irration showed an increase in enzymatic antioxidant. Conclusions: Proliferative-promoting efficacy, radioprotective effect of different solvents extracts of the bark of P. koraiensis were investigated in this work. NBEPKB-50ME was the best elution in NBE, especially in restoring SOD, CAT activities, content of GSH, decreasing DNA damage. SUMMARY: The radioprotective effects decreased from rutin > 95EEP > 40AEP > WEP. The extract of Petroleum ether, dichloromethane extract (DME) of 95% ethanol extract of P. koraiensis (PEE, DME) show toxic effect on rat splenocytes. The extract of Ethyl acetate, n-butanol extract of 95% ethanol extract of P. koraiensis (EAE, NBE) show proliferative-promoting, radioprotective effect on rat splenocytesSingle-cell gel electrophoresis was used to evaluate the spleen cell DNA damage parameters affected by gamma-radiation and addition of best component NBEPKB-50Me from extract of P. koraiensis barkNBEPKB-50ME pretreatment with 8 Gy irradiation showed an increase in enzymatic antioxidant capacity. NBEPKB-50ME pretreated (80, 160, 320, 480 mg/ml) rat splenocytes demonstrated progressively reduced levels of MDA when compared with g-ray exposed cells. Abbreviations used: MDA: Malondialdehyde; SOD: Superoxide dismutase; CAT: Catalase; PEE: Petroleum ether Extract; DME: Dichloromethane extract; EAE: Ethyl acetate extract; NBE: n butanol extract; WAP: Water extracts of Pinus koraiensis bark; 40AEP: 40% acetone extracts of Pinus koraiensis bark; 95EEP: 95% ethanol extracts of Pinus koraiensis bark; TPC: Total phenolic content; TFC: Total flavonoid content; NBEPKB-50ME: Fraction eluted from n-Butanol fractions of 95EEP with 50% methanol solution. PMID- 29200739 TI - A Study of the Anti-Cancer Effects of the Hexane Fraction of the Methanol Extract of Forsythiae Fructus. AB - Background: Forsythiae Fructus (FF) is a well-known medicinal herb derived from the dried fruits of Forsythia suspensa (Thunb.) Vahl. (Oleaceae). Recently, bioactive compounds isolated from hydrophobic solvent fractions of FF have been reported to have anti-oxidant, antibacterial, and anti-cancer effects. Objective: Almost all herbal medicines are derived from water extracts, which suggests different extraction methods might enhance the practical efficacies of herbal medicines. In this study, the authors further investigated the most potential anti-cancer fraction, that is, the hexane fraction (FFH) of the methanol extract (FFM) of the dried fruits of Forsythia suspensa. Materials and Methods: FFH was investigated by measuring its effects on the viability and apoptotic death of PC 3 cells (a prostate cancer cell line), on the expression levels of Bcl-2, Bax, cytochrome c, procaspase-9, procaspase-3 and PARP, and caspase-3 activity. Results: FFH significantly accelerated apoptotic cell death and decreased the protein levels of Bcl-2, procaspase-9, and procaspase-3. Conclusion: FFH can act as a pro-oxidative agent and induce the apoptosis of prostate cancer cells. SUMMARY: Hexane fraction of the methanol extract of Forsythiae Fructus (FFH) at a concentration more than 50 ug/mL significantly reduced PC-3 cell viabilityFFH time and dose dependently elevated intracellular ROS levels and increased the proportion of cells arrested in the G0/G1 phaseFFH significantly accelerated apoptotic cell death and diminished the protein expression levels of Bcl-2, procaspase-9, and procaspase-3The protein expression levels of Bax, cytochrome c, and cleaved PARP were increased by FFH, and so was the caspase-3 activity. Abbreviations used: FF: Forsythiae Fructus; FFM: Methanol extract of Forsythiae Fructus; FFH: Hexane fraction of the methanol extract; DCFH-DA: 2',7' dichlorodihydro-fluorescein diacetate. PMID- 29200740 TI - Evaluation of Hypolipidemic and Antioxidant Effects in Phenolrich Fraction of Crataegus pinnatifida Fruit in Hyperlipidemia Rats and Identification of Chemical Composition by Ultra-performance Liquid Chromatography Coupled with Quadropole Time-of-flight Mass Spectrometry. AB - Background: Hawthorn (Crataegus pinnatifida) fruit has enjoyed a great popularity as a pleasant-tasting food associated with hypolipidemic and antioxidant effects. Objective: Our aim was to screen the effective fraction of hawthorn fruit in the treatment of hyperlipidemia rats. Materials and Methods: In this study, ethanol extract of hawthorn fruit (Fr.1) and four fractionated extracts (Fr.2, Fr.3, Fr.4, and Fr.5) were compared to total phenol content evaluated using Folin Ciocalteu method, and hypolipidemic and antioxidant effects were assessed in hyperlipidemic rats. Results: Total phenol content of Fr.4 was higher than other fractions by at least 2 fold. Furthermore, this fraction possessed the strongest hypolipidemic and antioxidant effects in hyperlipidemic rats. On this basis, 15 phenolic compounds and four organic acids in Fr.4 were positively or tentatively identified using ultra-performance liquid chromatography coupled with quadropole time-of-flight mass spectrometry. In addition, 5-O-caffeoyl quinic acid butyl ester was first reported in hawthorn fruit. Conclusion: Phenol-rich fraction in hawthorn fruit exhibited satisfactory hypolipidemic and antioxidant effects, and this could be exploited for further promotion of functional foods. SUMMARY: Phenol-rich fraction in hawthorn fruit possesses most potent hypolipidemic and antioxidant effects in hyperlidemia rats. Abbreviations used: UPLC-Q-TOF-MS/MS: Ultra performance liquid chromatography coupled with quadropole time-of-flight mass spectrometry; TC: Total cholesterol; TG: Triglyceride; LDL-C: Low-density lipoprotein-cholesterol; HDL-C: High-density lipoprotein-cholesterol; GSH-Px: Glutathione peroxidase; SOD: Superoxide dismutase; MDA: Malondialdehyde; CAT: Catalase; NO: Nitric oxide; NOS: Nitric oxide synthase; ROS: Reactive oxygen species; *OOH: Superoxide anions, *OH: Hydroxyl radicals. PMID- 29200741 TI - Enzyme Inhibitors Cause Multiple Effects on Accumulation of Monoterpene Indole Alkaloids in Catharanthus Roseus Cambial Meristematic Cell Cultures. AB - Background: Enzyme inhibitors have been used for the clarification of biosynthesis of natural products. Catharanthus roseus cambial meristematic cell (CMC) culture has been established and proved to be a better monoterpeneindole alkaloid (MIA) producer than C. roseus dedifferentiated cell (DDC) culture. However, little is known about the inter-relationship of the MIA-biosynthetic genes with respect to their transcription. Objective: To clarify effects of alteration of one gene transcription on transcript levels of another genes in MIA biosynthetic pathway, and how the accumulation of MIAs in CMCs are influenced by the alteration of their biosynthetic gene transcript levels. Materials and Methods: 3-Hydroxy-3-methylglutaryl-CoA reductase (HMGR) inhibitor lovastatin and 1-deoxy-D-xylulose 5-phosphate synthase (DXS) inhibitor clomazone were fed to C. roseus CMC cultures. The contents of MIAs were qualified by High Performance Liquid Chromatography and the transcript levels of the relevant genes were measured by qRT-PCR. Results: Lovastatin improved the accumulation of MIAs via increasing the transcription of their biosynthetic genes encoding DXS1, tryptonphan decarboxylase (TDC), loganic acid methyltransferase (LAMT), strictosidine synthase (STR), desacetoxyvindoline-4-hydroxylase (D4H) and ORCA3 (a jasmonate-responsive transcriptional regulator), whereas clomazone reduced the contents of MIAs and the mRNA levels of the corresponding genes. Conclusion: The biosynthesis of MIAs in C. roseus is is manipulated via a complex mechanism, the knowledge of which paves the way for rationally tuning metabolic flux to improve MIA production in C. roseus CMCs. PMID- 29200742 TI - Contribution of the Glucosinolate Fraction to the Overall Antioxidant Potential, Cytoprotection against Oxidative Insult and Antimicrobial Activity of Eruca sativa Mill. Leaves Extract. AB - Background: Eruca sativa Mill. (Brassicaceae) is commonly utilized as an ingredient in salads and also as a folk remedy to treat various diseases. Objective: The objective of this study was to establish the contribution of the glucosinolate (GLS) fraction to the overall antioxidant, cytoprotection against oxidative insult and antimicrobial properties of the hydro-alcoholic extract of E. sativa leaves from Sicily (Italy), characterized phytochemically. Materials and Methods: The antioxidant activity was evaluated by different in vitro systems. The cytoprotective effect against hydrogen peroxide (H2O2)-induced oxidative stress was tested in human peripheral blood mononuclear cells (PBMCs). The antimicrobial potential against bacteria and fungi was assayed by standard methods. Results: E. sativa extract exhibited both radical scavenging (50% inhibitory concentration [IC50] 1.04 +/- 0.04 mg/mL) and ferrous ions-chelating activity (IC50 0.327 +/- 0.0032 mg/mL) and mild reducing power; the GLS fraction showed chelating ability only (IC50 0.225 +/- 0.009 mg/mL). In the experimental model of H2O2-induced oxidative stress in human PBMCs, a significant cytoprotective effect and a suppression of reactive oxygen species production by both extract and GLS fraction were observed (P < 0.001). E. sativa extract displayed moderate antimicrobial activity against Gram-positive bacteria, and Staphylococcus aureus was the most sensitive strain (minimum inhibitory concentration 0.125 mg/mL), whereas the GLS fraction was not active. Conclusion: GLSs are not involved in the primary antioxidant activity of E. sativa leaf extract but they are, almost in part, responsible for its ferrous ion-chelating properties. Iron-chelating compounds in E. sativa extract may protect cells under conditions of oxidative stress, and GLSs might play a chief role in this effect. SUMMARY: Eruca sativa Mill. leaf extract exhibited antioxidant activity in different in vitro systems, whereas the glucosinolate (GLS) fraction showed Fe2+ chelating ability onlyA significant cytoprotective effect and a suppression of intracellular reactive oxygen species production by both extract and GLS fraction were observed in human peripheral blood mononuclear cellsE. sativa extract displayed moderate antimicrobial activity against Gram-positive bacteria, whereas the GLS fraction was not active. Abbreviations used: GLS: Glucosinolate; H2O2: Hydrogen peroxide; PBMCs: Peripheral blood mononuclear cells; IC50: 50% inhibitory concentration; MIC: Minimum inhibitory concentration. PMID- 29200744 TI - Potential of Ayurveda - An eye opener. PMID- 29200743 TI - Can We Advance Macroscopic Quantum Systems Outside the Framework of Complex Decoherence Theory? AB - Macroscopic quantum systems (MQS) are macroscopic systems driven by quantum rather than classical mechanics, a long studied area with minimal success till recently. Harnessing the benefits of quantum mechanics on a macroscopic level would revolutionize fields ranging from telecommunication to biology, the latter focused on here for reasons discussed. Contrary to misconceptions, there are no known physical laws that prevent the development of MQS. Instead, they are generally believed universally lost in complex systems from environmental entanglements (decoherence). But we argue success is achievable MQS with decoherence compensation developed, naturally or artificially, from top-down rather current reductionist approaches. This paper advances the MQS field by a complex systems approach to decoherence. First, why complex system decoherence approaches (top-down) are needed is discussed. Specifically, complex adaptive systems (CAS) are not amenable to reductionist models (and their master equations) because of emergent behaviour, approximation failures, not accounting for quantum compensatory mechanisms, ignoring path integrals, and the subentity problem. In addition, since MQS must exist within the context of the classical world, where rapid decoherence and prolonged coherence are both needed. Nature has already demonstrated this for quantum subsystems such as photosynthesis and magnetoreception. Second, we perform a preliminary study that illustrates a top down approach to potential MQS. In summary, reductionist arguments against MQS are not justifiable. It is more likely they are not easily detectable in large intact classical systems or have been destroyed by reductionist experimental set ups. This complex systems decoherence approach, using top down investigations, is critical to paradigm shifts in MQS research both in biological and non-biological systems. PMID- 29200745 TI - Ayurveda: Science of life, genetics, and epigenetics. AB - Ayurveda is a traditional system of medicine originated in the ancient Vedic times of India. This body of knowledge is found in well-documented texts such as the Charaka Samhita and Sushruta Samhita, and describes physiology and interrelated systems of the body, variations in human constitution, surgery, herbal use, and health-promoting recommendations. Ayurveda is translated as the "Science of Life;" Ayus = Life, and Veda = knowledge/science. The principles and treatment modalities have endured over time. For Ayurveda to be appreciated by Western medical researchers, this traditional system of medicine needs to be understood in terms of modern science. The current theories of physiology that support Ayurvedic approaches need to be explored. Herein, one approach of how the realm of epigenetics can help elucidate the mechanisms of Ayurveda has been described. PMID- 29200746 TI - Salacia - The new multi-targeted approach in diabetics. AB - Salacia species plant has been used traditionally as an Ayurvedic medicine for diabetes mellitus. Studies over the past decades have shown its multi-targeted role in diabetics. In the present review article, various mechanisms of action of Salacia on diabetics are discussed in detail. Apart from the well-known action of decreasing postprandial glucose sugar by inhibiting alpha-glucosidase and alpha pancreatic amylase, it also inhibits aldose reductase which otherwise results in microvascular complications. Importantly, its peroxisome proliferator-activated receptor (PPAR)-gamma agonist (such as thiazolidinediones, the insulin sensitizers) action increases the uptake of free fatty acid (FFA) and facilitates their storage in subcutaneous fat rather than the visceral fat. This reduces plasma FFA and insulin resistance. Furthermore, it increases the expression of and translocation to the cell surface of glucose transporter 1 and 4 receptors which result in glucose uptake by the liver and skeletal muscle and decreases plasma glucose levels. It also decreases inflammatory cytokines and increases adiponectin expression. Salacia as PPAR-alpha agonist (such as fibrates) has a role in the management of dyslipidemia. The activation of PPAR-alpha leads to the increased expression of lipoprotein lipase and apolipoprotein (Apo) A-V and decrease in hepatic Apo-C-III. These actions lower plasma triglycerides in chylomicrons and very low-density lipoprotein particles, thus liberating fatty acids, which are taken up and stored as fat in adipocytes. Salacia has been shown to suppress the overexpression of cardiac PPAR-alpha (similar to angiotensin converting enzyme inhibitors/angiotensin receptor blockers) and thereby preventing diabetic cardiomyopathy. It also suppresses the cardiac angiotensin II Type 1 receptors resulting in antihypertrophic and antifibrogenic effect. PMID- 29200748 TI - Clinical evaluation of efficacy of Alambushadi Ghana Vati and Vaitarana Basti in the management of Amavata with special reference to rheumatoid arthritis. AB - The clinical presentation of Amavata closely mimics with the special variety of rheumatologic disorders called rheumatoid arthritis (RA). The Ayurvedic approach toward the treatment of Amavata is the need of present era as no system is successful in providing the complete cure to this disease. Amavata is a challenging and a burning problem of medical science. Prevalence of RA is approximately 0.8% of the population. Due to wide spectrum of disease, much prevalence in the society, and lack of effective medicine, the disease had been chosen for the study. The aim of the research was to study the efficacy of Alambushadi Ghana Vati and Vaitarana Basti in the management of Amavata (RA). It was a single-center, randomized, open-clinical study. In the present study, 30 clinically diagnosed patients of Amavata were selected and randomly divided into two groups by lottery method. Alambushadi Ghana Vati was given in dose of two tablets (each 500 mg) three times in a day with lukewarm water after meal for 30 days, while Vaitarana Basti on alternate day (15 Basti) had been given simultaneously in the second group along with drug of first group. Statistical analysis was done using InStat GraphPad 3 Software. Wilcoxon matched pairs signed ranks test was used for the analysis of nonparametric data, while paired t-test was used for parametric data analysis and Mann-Whitney test and unpaired t-test were used for intergroup comparison. Statistically highly significant (HS) improvement was found in erythrocyte sedimentation rate, and HS results were found in symptoms of Amavata when the Vaitarana Basti was used along with Alambushadi Ghana Vati. With excellent relief in 20% patients, significant relief in 60% patients, moderate relief in 13.33% patients, whereas mild relief in 6.66% patients. On comparing the effect of two therapies, it can be concluded that Group B (Alambushadi Ghana Vati and Vaitarana Basti) provided better relief than Group A (Alambushadi Ghana Vati) in most of the sign and symptom of the disease at significant level. PMID- 29200747 TI - Dhatakyadi Varti - An effective local treatment for Upapluta Yonivyapad (vulvovaginitis during pregnancy): A standard controlled randomized clinical trial. AB - Background: Pregnant women are more prone to vulvovaginitis which is a great challenge for obstetricians today. In Ayurveda, Upapluta Yonivyapad described by Acharya Charaka, Sharangadhara, and both Vagbhata can be compared to vulvovaginitis during pregnancy. Aims: The present study aimed to evaluate efficacy of Dhatakyadi Varti in the management of Upapluta Yonivyapad (vulvovaginitis during pregnancy). Materials and Methods: A total of 80 female patients in the age group of 19-40 years were registered and divided into two groups. In Group A (n = 46), Dhatakyadi Varti was inserted intravaginally, and in Group B (n = 34), Clingen vaginal suppository was inserted intravaginally once at bed time for 14 days. The effect of therapy was assessed on the basis of relief in subjective and objective criteria, i.e., vaginal smear test. Results: In subjective parameters, such as Yoni Srava, Yoni Kandu, Yoni Vedana, Yoni Daha and Yoni Daurgandhya, better result was observed in trial Group A receiving Dhatakyadi Varti. Highly significant relief (P < 0.001) was observed in fungal infection, and significant relief (P = 0.005) was observed in Gram - negative bacterial infection and pus cells in Group A. In Group A, 34.88% patients had complete remission, marked improvement was found in 34.88% cases, and only 2.32% patients remained unchanged, while in Group B, 33.33% patients reported complete remission, marked improvement was found in 10% cases, and 20% patients remained unchanged. Conclusion: It was concluded from the clinical trial that Dhatakyadi Varti is highly effective in reducing subjective and objective variables of Upapluta Yonivyapad and can be introduced as a safe herbal therapy of vaginal discharge during pregnancy. PMID- 29200749 TI - Role of Virechana and Ashwatha Phala Churna in the management of Ksheena Shukra (oligozoospermia): A pilot study. AB - Background: Infertility is the inability of a sexually active, noncontracepting couple to achieve spontaneous pregnancy in 1 year. Low sperm count (oligozoospermia) is one of the main causes of male infertility and is correlated with Ksheena Shukra (oligozoospermia). Shodhana procedures are to be performed before the administration of Vajikarana drugs, especially Virechana Karma has been indicated in the cases of Shukra Dushti. The fruit of Ashwatha (Ficus religiosa Linn.) has been indicated in premature ejaculation and low sperm count. Aim: This study aimed to evaluate the effect of Virechana and Ashwatha Phala Churna in the management of Ksheena Shukra (oligozoospermia). Materials and Methods: Eligible male participants between the age of 21 and 50 years, with sperm count <15 million/ml, received Ashwatha Phala Churna for 60 days in the dose of 3 g, after undergoing Virechana Karma. The primary outcomes measured were percentage changes in the seminal parameters and associated symptoms of Ksheena Shukra in comparison to baseline. Results: The Ashwatha Phala Churna administered after Virechana provided 59.78% increase in sperm count, 36.81% increase in semen volume, and 16.18% decrease in abnormal form of sperm and 91.34% of increase was reported in total sperm count after Virechana Karma which was also statistically significant. Conclusion: Overall assessment of the therapy showed that administration of Ashwatha Phala Churna after performing Virechana provided statistically significant improvement on seminal parameters, especially total sperm count. PMID- 29200750 TI - A comparative study of Shilajatu and Asanadi Ghana Vati in the management of Madhumeha w.s.r. to type-2 diabetes mellitus. AB - Introduction: Diabetes mellitus is becoming an alarming problem for society nowadays causing impediment in normal life. Diabetes and its complications impose a major burden upon health-care facilities. Materials and Methods: In this study, 90 patients of Madhumeha (type-2 diabetes mellitus) were registered and randomly divided into two groups. Out of 90 registered patients, 80 patients completed the treatment. In Group A, cap. Shilajatu (500 mg twice daily) was given for 3 months and in Group B, Asanadi Ghana Vati (2 Vati twice daily) was given for 3 months. Aim: An attempt was made to evaluate and compare the efficacy of Shilajatu and Asanadi Ghana Vati in the management of type-2 diabetes mellitus. The efficacy of therapy was assessed on the basis of improvement in sign and symptoms of diabetes mellitus, blood sugar level, and glycosylated hemoglobin. Results: Statistically significant improvement was observed in sign and symptoms as well as on blood sugar level in both groups after the completion of treatment. Conclusion: Shilajatu and Asanadi Ghana Vati seem to be effective and completely safe for the management of Madhumeha (type-2 diabetes mellitus). PMID- 29200751 TI - Adjuvant effect of Chakshushya Rasayana with beta-blocker eye drops in the management of progressive glaucomatous optic neuropathy: An open-label randomized controlled trial. AB - Introduction: Primary open angle glaucoma is an insidious and chronic vision threatening eye ailment due to neuro-retino-optic nerve degeneration, which may be due to the raised intraocular pressure (IOP) or due to independent factors. Management of glaucoma is mainly concentrated on lowering IOP that requires lifetime topical medication, different ocular medicaments for lowering of IOP, and surgical interventions, but it has its own limitations to control the progression of glaucomatous optic neuropathy (GON), and this is the reason behind the use of alternative neuroprotective adjuvants. Aim: To evaluate the neuroprotective effect of Ayurvedic line of management of progressive GON. Materials and Methods: Ingredients of trial drug Vara Fort powder (Chakshushya Rasayana) were procured from the Institute Pharmacy, except Swarnamakshika Bhasma, which was purchased from Dhootapapeshwar Pharmaceuticals. The patients fulfilling inclusion criteria, attending outpatient and inpatient departments, irrespective of their sex, race, religion, occupation, etc., were selected and divided into two groups with open-labeled randomization. In Group A, in addition to betaxolol (0.1%) or timolol (0.5%) (non-iobrim), Chakshushya Rasayana 6 g/day orally with Triphala Ghrita and honey along with Koshtha-Shuddhi (body microchannel clearing treatment) protocol was tried. Nasya (oleation through nasal route) with Jeevantyadi Taila and Tarpana (eye satiation) with Go-Ghrita were also performed. In Group B (control), brimonidine (iobrim) 0.2% eye drop was used for 3 months. Results: Significant improvement was observed in subjective parameters in Group A such as blurred vision, frequent change of presbyopic glasses, and delayed dark adaptation. Conclusion: Chakshushya Rasayana, if administered in a systematic approach along with a modern topical betaxolol or timolol eye drops, has a definite role in improving the lost retinal sensitivity as much as up to 12 dB in 3 months duration. PMID- 29200752 TI - Simultaneous determination of vasicine and vasicinone by High-performance liquid chromatography in roots of eight Sida species. AB - Introduction: Sida L. is a medicinally important genus widely used in conventional systems of medicine in India. Aim: The present study aims toward simultaneous determination of two bioactive compounds vasicine and vasicinone in root extracts of eight Sida spp. from Western Ghats, India. Materials and Methods: Determination of vasicine and vasicinone was undertaken in methanolic root extracts (10% w/v) of Sida acuta, Sida cordata, Sida cordifolia, Sida rhombifolia, Sida spinosa, Sida indica, Sida retusa and Sida mysorensis by high performance liquid chromatography (HPLC) method. The standards were prepared with the concentration of mg/mL. Data were expressed as mean values of three reading and relative standard deviations. The separation was achieved on a Waters, Nova Pack, C18 (250 mm * 4.6 mm, 5 MU) column, with acetonitrile - 0.1 M phosphate buffer-glacial acetic acid (15: 85: 1, v/v/v) as solvent system at a flow-rate of 1.0 mL/min. The effluent was monitored using ultraviolet detection at a wavelength of 300 nm. Results: Both calibration curves of standard showed good linear regression (R2 > 0.994). The limit of detection and the limit of quantification for vasicine was 0.110 and 0.333 MUg/mL and for vasicinone was 0.059 and 0.179 MUg/mL respectively. The vasicine content was highest in S. cordifolia (9.891 +/- 0.495 MUg/100 mg) and vasicinone content was rich in S. cordata (33.013 +/- 1.651 MUg/100 mg.) The content of vasicinone was higher than vasicine. Conclusion: HPLC method provides simple, accurate, and reproducible quantitative analysis for simultaneous determination of vasicine and vasicinone. Among the selected Sida species, S. cordifolia and S. cordata were found to be rich in the vasicine and vasicinone contents, respectively. PMID- 29200753 TI - Evaluation of analgesic and antipyretic activities of Mahanimba (Melia azedarach Linn.) leaf and root powder. AB - Introduction: Mahanimba (Melia azedarach Linn.) is a deciduous tree of family Meliaceae and its root is mainly used in painful condition such as Gridhrasi (sciatica) in Ayurveda. Ethnomedicinal claims indicate that its leaves are used to treat fever, but its medicinal activities have not been proven by research. Aim: This study was aimed to evaluate the potential analgesic and antipyretic activities of M. azedarach L. leaf powder (MLP) and M. azedarach L. root powder (MRP). Materials and Methods: The root and leaves of M. azedarach were made into powder using guidelines mentioned in the Ayurvedic Pharmacopoeia of India. The analgesic activity of the test drugs was evaluated against acetic acid-induced writhing test in mice and radiant heat-induced pain in albino rats, and antipyretic activity was evaluated against Brewer's yeast-induced pyrexia using Charles Foster rats. Results: In acetic acid induced writhing in mice, the test drugs MRP (1.3mg/kg) exhibit insignificant reduction in writhing reflex while MLP (1.3mg/kg) did not show any significant effect in comparison to the control group. MRP showed mild-to-moderate insignificant increase in latency of withdrawal response at 60 (26.74%) and 120 min (27.25%), while MLP did not show central analgesic effect in radiant heat model in rats. MRP showed a significant reduction in rectal temperature after 3 and 6 h, while MLP-treated group showed significant reduction after 6 h. Conclusion: MRP has mild-to-moderate peripheral and central analgesic effects, while MLP has not shown significant analgesic effects in both the experimental models. MRP has more pronounced antipyretic effect compared to MLP. PMID- 29200754 TI - Evaluation of glucose utilization capacity of bioactivity-guided fractions of Barleria prionitis Linn and Hyptis suaveolens (L.) Poit in isolated rat hemidiaphragm. AB - Introduction: Diabetes mellitus (DM) is a chronic disease characterized by high blood glucose levels due to absolute or relative circulating insulin levels. Plants represent a major potential source of drugs for treating diabetes. The study of plants having antidiabetic activity may give a new approach in the treatment of DM. Aim: This study was aimed to investigate the glucose utilization capacity of bioactivity-guided fractions of Barleria prionitis and Hyptis suaveolens. Materials and Methods: The dried coarse powdered plant material was extracted in aqueous ethanol by cold maceration; further, ethanolic extracts were fractionated using solvents of varying polarity and were investigated in isolated rat hemidiaphragm using 0.1% and 0.2% concentrations of plant extracts. Results: The tested fractions of both plants showed significant and dose-dependent increased glucose uptake capacity and was found to be maximum with petroleum ether and aqueous ethanolic extracts of both plants; 0.2% concentration of both plant extracts is superior in activity when compared to 0.1% of the test extracts. H. suaveolens has produced more glucose utilization capacity when compared to B. prionitis. Conclusion: The activity of H. suaveolens is comparable to standard insulin (P < 0.01). Both the plant materials have some extra pancreatic mechanism like glucose uptake by peripheral tissue. PMID- 29200756 TI - G2A Attenuates Propionibacterium acnes Induction of Inflammatory Cytokines in Human Monocytes. AB - Background: Acne vulgaris is a disease of the pilosebaceous unit characterized by increased sebum production, hyperkeratinization, and immune responses to Propionibacterium acnes (PA). Here, we explore a possible mechanism by which a lipid receptor, G2A, regulates immune responses to a commensal bacterium. Objective: To elucidate the inflammatory properties of G2A in monocytes in response to PA stimulation. Furthermore, our study sought to investigate pathways by which lipids modulate immune responses in response to PA. Methods: Our studies focused on monocytes collected from human peripheral blood mononuclear cells, the monocytic cell line THP-1, and a lab strain of PA. Our studies involved the use of enzyme-linked immunosorbent, Western blot, reverse transcription polymerase chain reaction, small interfering RNA (siRNA), and microarray analysis of human acne lesions in the measurements of inflammatory markers. Results: G2A gene expression is higher in acne lesions compared to normal skin and is inducible by the acne therapeutic, 13-cis-retinoic acid. In vitro, PA induces both the Toll like receptor 2-dependent expression of G2A as well as the production of the G2A ligand, 9-hydroxyoctadecadienoic acid, from human monocytes. G2A gene knockdown through siRNA enhances PA stimulation of interleukin (IL)-6, IL-8, and IL-1beta possibly through increased activation of the ERK1/2 MAP kinase and nuclear factor kappa B p65 pathways. Conclusion: G2A may play a role in quelling inflammatory cytokine response to PA, revealing G2A as a potential attenuator of inflammatory response in a disease associated with a commensal bacterium. PMID- 29200757 TI - Randomized Clinical Trial to Evaluate the Efficacy and Safety of Combination Therapy with Short-Pulsed 1,064-nm Neodymium-Doped Yttrium Aluminium Garnet Laser and Amorolfine Nail Lacquer for Onychomycosis. AB - Background: Onychomycosis is one of the most prevalent fungal diseases in the general population. However, treatment is of limited effectiveness and must be administered for long periods of time. Systemic antifungal agents are associated with adverse effects. Objective: We evaluated the clinical efficacy and safety of a 1,064-nm neodymium-doped yttrium aluminium garnet (Nd:YAG) laser with amorolfine nail lacquer to treat onychomycosis. Methods: The 128 patients were randomly divided to 2 groups: 64 in the experimental group were treated with 1,064-nm Nd:YAG laser therapy and amorolfine nail lacquer; the other 64 were in a control group treated with topical amorolfine lacquer monotherapy. The laser treatment was 4 sessions at 4-week intervals and amorolfine lacquer was applied once a week for 16 weeks. Efficacy was assessed as response rate from standardized photographs with ImagePro(r)Plus (Media Cybernetics, Inc., USA) analysis, microscopic examination, and subjective evaluation. Results: At 16 weeks, the experimental group showed a significantly higher cumulative cure rate than the control group (71.88% vs. 20.31%, p<0.0001). Clinical therapeutic effects were linked to patient satisfaction. The percent of "very satisfied" or "satisfied" responses was higher in the test group than the control group (81.25% vs. 23.44%). The treatment regimen was well tolerated, with transient discomfort observed in the test group. Conclusion: The 1,064-nm Nd:YAG laser with amorolfine nail lacquer was effective and safe for treating onychomycosis. This therapy should be considered an alternative treatment, especially for patients with contraindications to systemic antifungal agents. PMID- 29200755 TI - Current and Future Perspectives of Stem Cell Therapy in Dermatology. AB - Stem cells are undifferentiated cells capable of generating, sustaining, and replacing terminally differentiated cells and tissues. They can be isolated from embryonic as well as almost all adult tissues including skin, but are also generated through genetic reprogramming of differentiated cells. Preclinical and clinical research has recently tremendously improved stem cell therapy, being a promising treatment option for various diseases in which current medical therapies fail to cure, prevent progression or relieve symptoms. With the main goal of regeneration or sustained genetic correction of damaged tissue, advanced tissue-engineering techniques are especially applicable for many dermatological diseases including wound healing, genodermatoses (like the severe blistering disorder epidermolysis bullosa) and chronic (auto-)inflammatory diseases. This review summarizes general aspects as well as current and future perspectives of stem cell therapy in dermatology. PMID- 29200758 TI - Effect of Different Cooking Methods on Histamine Levels in Selected Foods. AB - Background: Histamine in food is known to cause food poisoning and allergic reactions. We usually ingest histamine in cooked food, but there are few studies about the influence of cooking method on the histamine level. Objective: The purpose of this study was to determine the influence of cooking methods on the concentration of histamine in foods. Methods: The foods chosen were those kinds consumed frequently and cooked by grilling, boiling, and frying. The histamine level of the food was measured using enzyme-linked immunosorbent assay. Results: Grilled seafood had higher histamine levels than raw or boiled seafood. For meat, grilling increased the histamine level, whereas boiling decreased it. For eggs, there was not much difference in histamine level according to cooking method. Fried vegetables had higher histamine levels than raw vegetables. And fermented foods didn't show much difference in histamine level after being boiled. Conclusion: The histamine level in food has changed according to the cooking method used to prepare it. Frying and grilling increased histamine level in foods, whereas boiling had little influence or even decreased it. The boiling method might be helpful to control the effect of histamine in histamine-sensitive or susceptible patients, compared with frying and grilling. PMID- 29200759 TI - Increased Skin Irritation by Hydroquinone and Rsetinoic Acid Used in Combination. AB - Background: Hydroquinone (HQ) is frequently combined with retinoic acid (RA) to enhance lightening efficacy, which may also affect skin irritancy. Although skin irritation leads to postinflammatory hyperpigmentation, little research has been performed to compare skin irritancy between each component and the combination. Objective: This study was done to examine whether HQ-RA combination increased skin irritation induced by HQ or RA alone. Methods: Patch testing was performed using maximum therapeutic and higher concentrations of HQ and RA in 10 volunteers, and then, it was performed using their popular therapeutic concentrations and combination in the other 20 volunteers. In vitro irritation was also assessed in primary cultured normal human keratinocytes treated with 80% and 50% cell survival doses of HQ, 80% cell survival dose of RA, and their combination. Results: The combination in patch testing induced stronger erythema than the corresponding concentrations of HQ and RA, which was remarkable with use of combination of higher concentrations. In cultured keratinocytes, the RA combination significantly decreased cell viability, but increased cytotoxicity and extracellular interleukin 1 alpha release with corresponding doses of HQ. Conclusion: The results of patch tests and in vitro irritation assessment tests suggested that HQ and RA increased skin irritation when used in combination. PMID- 29200760 TI - Therapeutic Effect of Superficial Cryotherapy on Alopecia Areata: A Prospective, Split-scalp Study in Patients with Multiple Alopecia Patches. AB - Background: Alopecia areata (AA) affects anagen hair follicles resulting in non scarring hair loss. Since its introduction, superficial cryotherapy has been used as one of the meaningful treatment modalities for AA. Objective: The purpose of this study is to clarify the therapeutic efficacy and safety of superficial cryotherapy for treatment of AA. Methods: In 19 patients with multiple bilateral AA patches on their scalp, superficial cryotherapy was performed on the right side, every 2 weeks. Prednicarbate 0.25% solution was applied twice a day to both the treated and the control sides. Clinical improvement was estimated using the Severity of Alopecia Tool (SALT) score by 3 different dermatologists, along with the changes in terminal and vellus hair count and hair thickness analyzed by phototrichogram. Results: After 4 months of treatment, mean terminal hair count on the right scalp was 1.6-fold increased (p=0.005), while mean terminal hair count on the left scalp showed no significant change (110.1% increase, p=0.285). Mean SALT score decrease on the right was 4-fold greater than that on the left (40.7% and 9.6%), without statistical significance (p=0.282). Mean vellus hair count and mean hair thickness did not show significant changes after superficial cryotherapy. No remarkable adverse event was observed. Conclusion: Superficial cryotherapy is an efficacious treatment modality with advantages of simplicity and noninvasiveness. It can be considered as a meaningful therapeutic modality for AA, especially when the disease status is limited to minimal to mild, or the conventional AA treatment is not applicable. PMID- 29200761 TI - Treatment of Palmar Hyperhidrosis with Tap Water Iontophoresis: A Randomized, Sham-Controlled, Single-Blind, and Parallel-Designed Clinical Trial. AB - Background: Palmar hyperhidrosis is a common disorder of excessive sweating. A number of studies have demonstrated the effectiveness of iontophoresis in the treatment of palmar hyperhidrosis. However, controlled clinical studies on iontophoresis for palmar hyperhidrosis have been limited. Objective: To determine the efficacy and safety of iontophoresis in the treatment of palmar hyperhidrosis with a randomized, sham-controlled, single-blind, and parallel-designed study. Methods: Twenty nine patients with significant palmar hyperhidrosis were enrolled in this study. They received active iontophoresis treatment (group A) or sham treatment (group B). Iontophoresis was performed 20 minutes each time, five times per week, for 2 weeks. Its efficacy was assessed with starch-iodine test, mean sweat secretion rate, and hyperhidrosis disease severity scale. Results: Twenty seven of the 29 patients completed the 2-week treatment. After completion of 10 times of treatment, results of the starch-iodine test showed clinical improvement in 92.9% of patients in group A and 38.5% of patients in group B (p=0.001). The mean sweat secretion rate was reduced by 91.8% of patients in group A and by 39.1% of patients in group B (p<0.001). Improvement in quality of life was reported by 78.6% of patients in group A and by 30.8% of patients in group B (p=0.028). In group A, one case of localized adverse event was noted, although no adverse event was encountered in group B. Conclusion: Tap water iontophoresis could be used as an effective and safe treatment modality for palmar hyperhidrosis. PMID- 29200762 TI - Allergen Sensitization Pattern by Sex: A Cluster Analysis in Korea. AB - Background: Allergens tend to sensitize simultaneously. Etiology of this phenomenon has been suggested to be allergen cross-reactivity or concurrent exposure. However, little is known about specific allergen sensitization patterns. Objective: To investigate the allergen sensitization characteristics according to gender. Methods: Multiple allergen simultaneous test (MAST) is widely used as a screening tool for detecting allergen sensitization in dermatologic clinics. We retrospectively reviewed the medical records of patients with MAST results between 2008 and 2014 in our Department of Dermatology. A cluster analysis was performed to elucidate the allergen-specific immunoglobulin (Ig)E cluster pattern. Results: The results of MAST (39 allergen-specific IgEs) from 4,360 cases were analyzed. By cluster analysis, 39items were grouped into 8 clusters. Each cluster had characteristic features. When compared with female, the male group tended to be sensitized more frequently to all tested allergens, except for fungus allergens cluster. Conclusion: The cluster and comparative analysis results demonstrate that the allergen sensitization is clustered, manifesting allergen similarity or co-exposure. Only the fungus cluster allergens tend to sensitize female group more frequently than male group. PMID- 29200763 TI - The Lateral Tarsal Strip for Paralytic Ectropion in Patients with Leprosy. AB - Background: In patients with leprosy, paralysis of the facial nerve results in the lower eyelid ectropion and lagophthalmos as a sequela even when the leprosy is cured. Paralytic ectropion causes many functional and cosmetic eye problems, leading to blindness if left untreated. Objective: The purpose of this retrospective study is to evaluate the efficacy of surgical correction of paralytic ectropion, the lateral tarsal strip, in patients with leprosy. Methods: Between 2010 and 2015, 40 Korean patients (44 eyelids) with paralytic ectropion who had visited Korean Hansen Welfare Association Hospital were treated with the lateral tarsal strip. Four-point patients' global assessment scale, local complications, and recurrence were assessed at the end of follow-up period. The average follow-up period was 12 months. Results: In the 44 eyelids, recurrence was observed in 5 cases (5/44, 11.4%). There were no serious postoperative complications except mild size discrepancy of both eyes. Most patients were satisfied with the results and mean satisfaction scale was 2.6/3. Conclusion: The lateral tarsal strip is a simple, safe, and effective treatment method for the dermatologic surgeon to correct paralytic ectropion of mild to moderate degree in patients with leprosy. PMID- 29200764 TI - Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/beta-Catenin and the Extracellular Signal-Regulated Kinase Pathways. AB - Background: The human dermal papilla cells (hDPCs) play an important role in regulation of hair cycling and growth. Objective: The aim of this study was to investigate the effect of different wavelengths of light-emitting diode (LED) irradiation on the proliferation of cultured hDPCs and on the growth of human hair follicles (HFs) in vitro. Methods: We examined the effect of LED irradiation on Wnt/beta-catenin signaling and mitogen-activated protein kinase (MAPK) pathways in hDPCs. Anagen HFs were cultured with LED irradiation and elongation of each hair shaft was measured. Results: The most potent wavelength in promoting the hDPC proliferation is 660 nm and 830 nm promoted hDPC proliferation to a lesser extent than 660 nm. Various wavelengths significantly increased beta catenin, Axin2, Wnt3a, Wnt5a and Wnt10b mRNA expression. LED irradiation significantly increased beta-catenin and cyclin D expression, and the phosphorylation of MAPK and extracellular signal-regulated kinase (ERK). HFs irradiated with 415 nm and 660 nm grew longer than control. Conclusion: Our result suggests that LED has a potential to stimulate hDPC proliferation via the activation of Wnt/beta-catenin signaling and ERK pathway. To our best knowledge, this is the first report which investigated that the effect of various wavelengths of LED on hDPC proliferation and the underlying mechanisms. PMID- 29200765 TI - Simvastatin/Ezetimibe Therapy for Recalcitrant Alopecia Areata: An Open Prospective Study of 14 Patients. AB - Background: Simvastatin belongs to the statin family, whose members have immunomodulatory activities. Ezetimibe have synergetic effects when co administered with simvastatin. In several case reports, alopecia totalis and alopecia universalis were successfully treated with simvastatin/ezetimibe, suggesting that this combination could be a new efficient therapy for recalcitrant alopecia areata (AA). Objective: To verify the efficacy of the simvastatin/ezetimibe combination therapy for recalcitrant AA and investigate the relationship between various treatment responses and prognostic factors. Methods: This prospective open study was performed in patients with recalcitrant AA with the bald surface exceeding 75%. All patients took simvastatin (40 mg) and ezetimibe (10 mg) daily. The extent of hair regrowth expressed as percentage of the bald area was used to evaluate the effectiveness of the therapy. Results: Of 14 enrolled patients, 4 patients (28.6%) were judged as responders showing regrowth of 30% to 80% after 3 months of treatment. The mean age of onset in non responders was significantly lower than in responders. The total score of prognostic factors, calculated as a sum of factors related to poor prognosis, was much lower in responders than in non-responders. Conclusion: The remission rate in this study was unsatisfactory. However, since the recruited patients had not responded to any other treatments for AA, simvastatin/ezetimibe can still be considered as an alternative treatment for recalcitrant AA. The total scores of the prognostic factors were statistically different between responders and non responders. These results can be used to predict the outcome of treatment with simvastatin/ezetimibe and anticipate prognosis. PMID- 29200767 TI - Serologic Response to Treatment in Human Immunodeficiency Virus-Negative Syphilis Patients Using Automated Serological Tests: Proposals for New Guidelines. AB - Background: Automated analyzer-based nontreponemal serological tests for syphilis (STS) have been used for several decades. Objective: In this study, we evaluated serological responses to treatment and proposed clinical guidelines for automated STS. Methods: This retrospective cohort study analyzed human immunodeficiency virus-negative syphilis patients who were diagnosed with automated rapid plasma reagin (auto RPR) tests as a nontreponemal STS, and who also received the fluorescent treponemal antibody-absorption test as a confirmatory test. The ratio of auto RPR values after treatment against those at baseline was defined as the auto RPR ratio for the analysis of the serological response to treatment. The cutoff value for reliable seroreversion prediction was assessed with receiver operating-characteristic curves. Results: Overall, 89.7% of participants (78/87) seroreverted and 10.3% of participants (9/87) remained serofast during the two year follow-up period. We were unable to describe trends in the changes among auto RPR values within six months after treatment because of high variation. All of the patients who had an auto RPR ratio >=1.0 after six months continuously had positive serologic results during their 24-month follow-up and were classified as a serofast group. The receiver-operating-characteristic curves revealed a 25% reduction in auto RPR values nine months after treatment and predicted seroreversion with a sensitivity of 96.2% and a specificity of 100%. Conclusion: The most important primary checkpoint for syphilis treatment response is an increase in automated nontreponemal STS six months after treatment. Thus, we recommend monitoring the treatment response with an auto RPR. PMID- 29200766 TI - Prevalence of Psoriasis in Korea: A Population-Based Epidemiological Study Using the Korean National Health Insurance Database. AB - Background: Although psoriasis is universal in its occurrence worldwide, its prevalence varies by geographic location and race. A few hospital-based surveys have reported on the demographic characteristics in Korean patients with psoriasis. However, a nation-wide study on the prevalence of psoriasis in Korea remains uncompleted. Objective: The purpose of this study was to determine the prevalence of psoriasis in Korea and to describe the demographic and social characteristics of afflicted individuals. Methods: We identified patients with psoriasis using a relevant diagnostic code from the sixth revision of the Korean Standard Classification of Disease in the 2011~2015 claims database of the Health Insurance Review and Assessment Service of Korea. We estimated the annual prevalence of psoriasis and described the age and sex distribution of the patients, type and severity of psoriasis, comorbidities, type of health insurance, type of health-care institution and residence area. Patients with moderate-to-severe psoriasis were defined as those who had been treated with phototherapy, classical systemic agents, and/or biologic agents. Results: The standardized prevalence of psoriasis was 453 per 100,000 individuals of the database population in 2015. We found male preponderance with a 1.3:1 male-to female ratio, and that the largest number of patients belonged to the age group of 50s. Of the patients diagnosed with psoriasis in 2015, 83.8% had plaque psoriasis and 22.6% had moderate-to-severe psoriasis. Conclusion: The annual standardized prevalence of psoriasis in Korea was 453 per 100,000 of the population in 2015. PMID- 29200768 TI - Congenital Non-Neural Granular Cell Tumor Mimicking Nevus Lipomatosus Superficialis. AB - A 4-month-old infant presented with asymptomatic soft nodules on his right forearm, which had developed since birth. On the suspicion of nevus lipomatosus superficialis (NLS), biopsy was performed. Histopathologic findings showed monomorphic polygonal cells with abundant granular cytoplasm. Immunohistochemical stains for CD68 and vimentin were strongly positive, but were negative for S-100 protein. Based on the pathologic findings, the patient was diagnosed as non neural granular cell tumor (NN-GCT). GCT can be divided into conventional and non neural GCT by immunoreactivity for S-100 protein. NN-GCT is typically manifested as a well-circumscribed, papulo-nodular dermal mass, and is known to occur in a younger group than does in conventional GCT, but is rare among children. To our knowledge, there have been no case reports of NN-GCT which appeared at birth and presented as grouped nodules. Therefore, we report this interesting case of congenital NN-GCT clinically mimicking NLS. PMID- 29200769 TI - Treatment of Melasma and Post-Inflammatory Hyperpigmentation by a Picosecond 755 nm Alexandrite Laser in Asian Patients. AB - The picosecond lasers have shown to effectively treat tattoo pigments that are intractable to previous multiple Q-switched (QS) laser treatments. Therefore we hypothesized that a picosecond laser would show better efficacy with minimal adverse events in the treatment of melasma and post-inflammatory hyperpigmentation (PIH) that are difficult to treat with conventional QS lasers. Two patients with melasma and one patient with PIH were treated with a Picosecond 755-nm Alexandrite Laser (Cyanosure, USA). All patients were Korean with skin type IV and no longer responding to QS laser treatments. Laser treatment was well tolerated in all the patients. Adverse events such as PIH were not reported during 8 weeks of follow up period. After the multiple treatment sessions, one patient reported fair improvement and two patients reported good improvement. Consistent with the clinical results, ex vivo skin model irradiated with a Picosecond 755-nm Alexandrite Laser also showed decreased epidermal keratinocyte necrosis compared with the 532-nm QS Neodymium-Doped Yttrium Aluminium Garnet Laser (Lutronic, Korea) yet decreased melanin content. In conclusion, the Picosecond 755-nm Alexandrite Laser may be useful for effective treatment of intractable melasma and PIH with fewer adverse events in dark Asian skin. PMID- 29200770 TI - Psoriasis, Vitiligo and Crohn's Disease Co-Existing in a Single Patient: A Variant Type of Multiple Autoimmune Syndrome? AB - Multiple autoimmune syndrome (MAS) is a rare condition, in which at least three well-defined autoimmune diseases co-occur in a single patient. Although the pathogenesis of MAS remains poorly understood, genetic, immunological, hormonal, and environmental factors may all play a role. Although three classic subtypes of MAS are well known, several cases that could not be placed into any of these three categories have recently been reported. To the best of our knowledge, the co-existence of psoriasis, vitiligo, and Crohn's disease has been reported in only one patient, who had a total of five autoimmune diseases (alopecia areata and oral lichen planus in addition to the three conditions mentioned). We herein describe a rare case of MAS presenting with psoriasis, vitiligo, and Crohn's disease, and suggest that tumor necrosis factor-alpha may be associated with the pathogenesis of all three conditions. PMID- 29200771 TI - Syringoid Eccrine Carcinoma of the Thigh. AB - Syringoid eccrine carcinoma (SEC) is a rare cutaneous malignant tumor thought to be derived from eccrine sweat apparatus. It is usually present in the head, neck and trunk region, and often occurs in the fourth to seventh decades of life. A 94 year-old male patient visited our department with an 80-year history of a lesion showing a 2*2 cm sized well-demarcated round shaped erythematous to pinkish colored nodule with ulcer on his left thigh. Histological findings revealed a tumor consisted mainly of numerous small cords and nests forming luminal or tubular structures and tumor cells showing variable atypia. Some ductal structures showed tadpole appearance. On immunohistochemical staining, epithelial membrane antigen, S-100, cytokeratin 7 and carcinoembryonic antigen were reactive and Ki-67 showed less than 10% positivity. Based on these findings, the final diagnosis was made as SEC. The patient was treated with local wide excision and didn't show any recurrence during the follow-up period of 12 months. Herein, we report a very rare case of SEC which occurred on the left thigh and discuss 10 cases of SEC presented on the extremities, including our case. PMID- 29200772 TI - Sclerema Neonatorum in a Full-Term Infant Showing Favorable Prognosis. AB - Sclerema neonatorum (SN) is a rare disease characterized by firm, indurated, waxy skin lesions extending throughout the body, sparing the fat-free soles, palms, and genitalia. The prognosis of SN is generally very poor, with a high fatality rate. We report the case of a full-term infant with delayed onset of SN showing good prognosis. A 4-month-old Korean male infant presented with diffuse waxy, sclerotic skin lesions on the whole body, sparing the face, nipples, and genital area, which began developing at 2 months of age. Histopathologic findings of the sclerotic skin lesions showed wide, fibrous intersecting bands in the subcutaneous fat tissue. Only sparse infiltration of lymphocytes and histiocytes was observed in the fat lobules and septa. Based on clinical presentation and histopathologic findings, he was diagnosed with SN. The patient survived with conservative care and had mild improvement of the skin lesions on his follow-up visit at 12 months of age. PMID- 29200773 TI - Paradoxical Flare of Psoriasis after Ustekinumab Therapy. PMID- 29200774 TI - Therapeutic Effects of a Light Emitting Diode at a Variety of Wavelengths on Atopic Dermatitis-Like Skin Lesions in NC/Nga Mice. PMID- 29200775 TI - Seven Cases of Senile Gluteal Dermatoses Developed with Ulcer. PMID- 29200776 TI - Novel KIT Missense Mutation P665S in a Chinese Piebaldism Family. PMID- 29200777 TI - Palisaded Neutrophilic Granulomatous Dermatitis in a Patient with Systemic Sclerosis-Rheumatoid Arthritis Overlap Syndrome. PMID- 29200778 TI - A Case of Segmental (Zosteriform) Juvenile Xanthogranuloma. PMID- 29200779 TI - Primary Angiosarcoma of the Skin Presenting as Mild Erythema. PMID- 29200780 TI - Large Edematous Purpuric Plaques after Lipolysis Acupuncture. PMID- 29200781 TI - Eosinophilic Annular Erythema Associated with Churg-Strauss Syndrome. PMID- 29200782 TI - Analysis of Personality Trait in Patients with Alopecia Areata. PMID- 29200783 TI - Which Skin Type Is Prevalent in Korean Post-Adolescent Acne Patients?: A Pilot Study Using the Baumann Skin Type Indicator. PMID- 29200784 TI - Inverse Psoriasis with Autoimmune Hepatitis. PMID- 29200785 TI - Association of Hepatitis B Virus Infection and Psoriasis. PMID- 29200786 TI - Tattoo Granuloma Restricted to Red Dyes. PMID- 29200787 TI - A Type II Segmental Vitiligo Developed under Infliximab Treatment for Ulcerative Colitis. PMID- 29200788 TI - Corrigendum: The Effect of Micro-Spicule Containing Epidermal Growth Factor on Periocular Wrinkles. AB - [This corrects the article on p. 187 in vol. 29, PMID: 28392646.]. PMID- 29200790 TI - A weighted denoising method based on Bregman iterative regularization and gradient projection algorithms. AB - A weighted Bregman-Gradient Projection denoising method, based on the Bregman iterative regularization (BIR) method and Chambolle's Gradient Projection method (or dual denoising method) is established. Some applications to image denoising on a 1-dimensional curve, 2-dimensional gray image and 3-dimensional color image are presented. Compared with the main results of the literatures, the present numerical results of the proposed method are improved. PMID- 29200789 TI - Pharmacovigilance: A public health priority for South Africa. AB - South Africa has been engaged in pharmacovigilance (PV) activities to assess the impact of adverse drug reactions on public safety and health for 40 years. Activities have evolved from passive regulatory reporting to encompass active surveillance systems. The HIV and AIDS and TB epidemics stimulated pharmacoepidemiological research into the risks associated with medicines used in the standardised regimens of mass treatment programmes. Specific safety concerns, supported by robust local cohort data, have prompted major changes to national and international treatment policies. This chapter describes the expanding body of local knowledge and the historical and emergent surveillance systems that address the burden of drug-related harms, noting the challenges to health system responsiveness. The South African context presents a unique opportunity to characterise the scale and nature of such harms in mass HIV and AIDS and TB treatment programmes. The use of complex regimens at scale poses new PV challenges. There is an urgent need to develop cohesive, sustainable systems to support evidence-based decisions on appropriate regimen choices, while minimising medicine-associated risks. The increasing use of computerised clinical, laboratory and dispensing records, with unique patient identifiers facilitating data linkage, will increase PV surveillance capacity. A coherent national PV framework is an essential part of medicines policy, encompassing regulatory, programmatic and individual needs. Key pillars of this framework include: (i) consolidation and expansion of active and passive PV surveillance, optimising existing programmes; (ii) prioritising post-marketing monitoring within the new health products regulatory authority; and (iii) instilling a culture of active risk management in clinical practice through the creation of effective channels of communication and feedback into policy and practice. PMID- 29200791 TI - Updating QR factorization procedure for solution of linear least squares problem with equality constraints. AB - In this article, we present a QR updating procedure as a solution approach for linear least squares problem with equality constraints. We reduce the constrained problem to unconstrained linear least squares and partition it into a small subproblem. The QR factorization of the subproblem is calculated and then we apply updating techniques to its upper triangular factor R to obtain its solution. We carry out the error analysis of the proposed algorithm to show that it is backward stable. We also illustrate the implementation and accuracy of the proposed algorithm by providing some numerical experiments with particular emphasis on dense problems. PMID- 29200793 TI - Some refinements of operator reverse AM-GM mean inequalities. AB - In this paper, we prove the operator inequalities as follows: Let [Formula: see text] be positive operators on a Hilbert space with [Formula: see text] and [Formula: see text]. Then for every positive unital linear map Phi, [Formula: see text] and [Formula: see text] Moreover, we prove Lin's conjecture when [Formula: see text]. PMID- 29200792 TI - On strong KKT type sufficient optimality conditions for multiobjective semi infinite programming problems with vanishing constraints. AB - In this paper, we consider a nonsmooth multiobjective semi-infinite programming problem with vanishing constraints (MOSIPVC). We introduce stationary conditions for the MOSIPVCs and establish the strong Karush-Kuhn-Tucker type sufficient optimality conditions for the MOSIPVC under generalized convexity assumptions. PMID- 29200794 TI - An equivalent condition to the Jensen inequality for the generalized Sugeno integral. AB - For the classical Jensen inequality of convex functions, i.e., [Formula: see text] an equivalent condition is proved in the framework of the generalized Sugeno integral. Also, the necessary and sufficient conditions for the validity of the discrete form of the Jensen inequality for the generalized Sugeno integral are given. PMID- 29200795 TI - Bergman projections on weighted Fock spaces in several complex variables. AB - Let phi be a real-valued plurisubharmonic function on [Formula: see text] whose complex Hessian has uniformly comparable eigenvalues, and let [Formula: see text] be the Fock space induced by phi. In this paper, we conclude that the Bergman projection is bounded from the pth Lebesgue space [Formula: see text] to [Formula: see text] for [Formula: see text]. As a remark, we claim that Bergman projections are also well defined and bounded on Fock spaces [Formula: see text] with [Formula: see text]. We also obtain the estimates for the distance induced by phi and the [Formula: see text]-norm of Bergman kernel for [Formula: see text]. PMID- 29200796 TI - Explicit bounds of unknown function of some new weakly singular retarded integral inequalities for discontinuous functions and their applications. AB - The purpose of the present paper is to establish some new retarded weakly singular integral inequalities of Gronwall-Bellman type for discontinuous functions, which generalize some known weakly singular and impulsive integral inequalities. The inequalities given here can be used in the analysis of the qualitative properties of certain classes of singular differential equations and singular impulsive equations. PMID- 29200797 TI - Lower bounds for the low-rank matrix approximation. AB - Low-rank matrix recovery is an active topic drawing the attention of many researchers. It addresses the problem of approximating the observed data matrix by an unknown low-rank matrix. Suppose that A is a low-rank matrix approximation of D, where D and A are [Formula: see text] matrices. Based on a useful decomposition of [Formula: see text], for the unitarily invariant norm [Formula: see text], when [Formula: see text] and [Formula: see text], two sharp lower bounds of [Formula: see text] are derived respectively. The presented simulations and applications demonstrate our results when the approximation matrix A is low rank and the perturbation matrix is sparse. PMID- 29200798 TI - Mitigating Water Absorption in Waveguides Made From Unannealed PECVD SiO2. AB - Water absorption was studied in two types of waveguides made from unannealed plasma enhanced chemical vapor deposition (PECVD) SiO2. Standard rib anti resonant reflecting optical waveguides (ARROWs) were fabricated with thin films of different intrinsic stress and indices of refraction. Buried ARROWs (bARROWs) with low and high refractive index differences between the core and cladding regions were also fabricated from the same types of PECVD films. All waveguides were subjected to a heated, high humidity environment and their optical throughput was tested over time. Due to water absorption in the SiO2 films, the optical throughput of all of the ARROWs decreased with time spent in the wet environment. The ARROWs with the lowest stress SiO2 had the slowest rate of throughput change. High index difference bARROWs showed no decrease in optical throughput after 40 days in the wet environment and are presented as a solution for environmentally stable waveguides made from unannealed PECVD SiO2. PMID- 29200800 TI - The Acceptance of Cosmetic Surgery Scale: Confirmatory Factor Analyses and Validation among Serbian Adults. AB - We examined the validity of the Serbian version of the Acceptance of Cosmetic Surgery Scale (ACSS; Henderson-King and Henderson-King 2005). A total of 622 Serbian adults completed the ACSS, along with Serbian translations of measures for the discrepancy between actual body weight and ideal body weight, body appreciation, sociocultural attitudes toward appearance, and demographics. Confirmatory factor analyses were conducted to compare how different ACSS models fitted the collected data. A three-factor model provided the best fit to the data relative to two- and one-factor models. The three-factor model had good internal consistency, convergent and discriminant validity, and nomological validity. The ACSS seems to be a valid instrument for use in Serbian populations. Our study will contribute towards better understanding of the acceptance of cosmetic surgery from a cross-cultural perspective. PMID- 29200799 TI - Improving police interventions during mental health-related encounters: Past, present and future. AB - There are calls across America for police to re-imagine themselves as "guardians" rather than "warriors" in the performance of their innumerable duties. The contentious history of police attitudes and practices surrounding encounters with people affected by mental illnesses can be understood through the lens of this wider push toward guardianship. At least as far back as the de institutionalization of mental health care and the profound lack of community based resources to fill service deficits, the role of police as mental health interventionists has been controversial and complex. This paper reviews the first wave of reform efforts designed to re-shape police sensibilities and practices in the handling of mental health-related encounters. We argue that such efforts, centred on specialized training and cooperative agreements with the health care sector, have advanced a guardian mindset through improved knowledge and attitudes about mental health vulnerabilities and needs. Building on the progress made, we suggest there are critical opportunities for a new wave of efforts that can further advance the guardianship agenda. We highlight three such opportunities: (1) Enhancing experiences of procedural justice during mental health-related encounters; (2) Building the evidence base through integrated data sets; and (3) Balancing a "case-based" focus with a "place-based" focus. PMID- 29200801 TI - Social Functioning and Coping Strategies in Romanian and Moldavian Adolescents with Chronic Diseases. AB - The present study aimed to explore the cultural differences in social functioning and coping strategies in chronically ill adolescents. One hundred sixty-eight chronically ill adolescents (45.8 % girls), age 11 to 17 years from Romania (N = 78) and Republic of Moldova (N = 90) were recruited. Participants filled in self assessment measures for social functioning problems and coping strategies. Results indicated cross-cultural differences in the studied factors: Moldavian adolescents reported more social functioning problems and higher use of maladaptive coping strategies, while using less adaptive strategies than Romanian counterparts. The associations between social functioning and maladaptive coping strategies were stronger for Romanian than Moldavian adolescents. Further, various coping strategies acted as important predictors for social functioning in the two country samples. Findings suggest that, while the direction of the relation between coping and social functioning in chronically ill adolescents is cultural invariant, the importance played by specific coping strategies in determining social functioning varies by cultural context. Therefore, clinical interventions aimed at improving the social functioning of chronically ill adolescents should take into account the reality of their cultural setting. PMID- 29200802 TI - Voluntary and Involuntary Singlehood and Young Adults' Mental Health: an Investigation of Mediating Role of Romantic Loneliness. AB - The present study tested the hypothesis that single young adults who perceive their singlehood as voluntary would report a higher level of positive mental health (i.e., emotional, psychological and social well-being), lower levels of mental health illness (i.e., somatic symptoms, anxiety, social dysfunction, severe depression) and romantic loneliness in comparison to young adults who perceive their singlehood as involuntary. This paper also investigated whether romantic loneliness mediates the relationship between voluntary and involuntary singlehood, positive mental health, and mental health illness. The study sample included 151 participants (86 females and 65 males) aged 20-26 (M = 22.48, SD = 2.01) from Poland. The main findings were that voluntarily single young adults reported a lower level of romantic loneliness compared to involuntarily single young adults. The two groups differed neither in regard to positive mental health nor in regard to mental health problems. In addition, gender differences were observed solely in the domain of romantic loneliness, with women reporting greater romantic loneliness than men. The mediation analysis revealed that romantic loneliness does not mediate the relationship between voluntary and involuntary singlehood, positive mental health, and mental health illness. Voluntary and involuntary singlehood was predictive of somatic symptoms, anxiety and insomnia, severe depression, and romantic loneliness. PMID- 29200803 TI - Neighborhood Opportunity and Location Affordability for Low-Income Renter Families. PMID- 29200804 TI - Naturalness Preserved Image Enhancement Using a priori Multi-Layer Lightness Statistics. AB - Enhancement of non-uniformly illuminated images often suffers from over enhancement and produces unnatural results. This paper presents a naturalness preserved enhancement method for non-uniformly illuminated images, using a priori multi-layer lightness statistics acquired from high-quality images. Our work makes three important contributions: designing a novel multi-layer image enhancement model; deriving the multi-layer lightness statistics of high-quality outdoor images, which are incorporated into the multi-layer enhancement model; and showing that the overall quality rating of enhanced images is consistent with a combination of contrast enhancement and naturalness preservation. Two separate human observer evaluation studies were conducted on naturalness preservation and overall image quality. The results showed the proposed method outperformed four compared state-of-the-art enhancement methods. PMID- 29200805 TI - Induced Pluripotent Stem Cell-Derived Cardiomyocytes: A Platform for Testing For Drug Cardiotoxicity. AB - Off-target cardiotoxicity has been a significant impediment to the development of new drugs. Traditional platforms for screening for cardiotoxicity are both overly sensitive and limited in their ability to predict cardiotoxicity that is often only uncovered after years of clinical use. A major impediment has been the lack of a human cardiomyocyte cell line. The recent discovery that adult somatic human cells (white blood cells or skin fibroblasts) can be reprogrammed into pluripotent stem cells (hiPSCs) and then differentiated into beating cardiomyocytes (hiPSC-CMs) provides an exciting new platform for drug cardiotoxicity and efficacy testing. One major advantage of using patient-derived hiPSC-CMs for drug testing is their ability to recapitulate population genetic variations (single nucleotide polymorphisms) that influence drug toxicity, providing a powerful new tool in the field of pharmacogenomics and personalized medicine. PMID- 29200806 TI - The Availability of Substances in Adolescence: Influences in Emerging Adulthood. AB - This study examines how the availability of substances in the home during adolescence and its influence on substance use in young adulthood. Data are drawn from the National Longitudinal Study of Adolescent Health (ADD Health). The final sample consisted of approximately 15,000 cases from waves 1, 3 and 4. Multivariate analyses indicate that the availability of substances in the home affects young adult substance use and substance use in later young adulthood. We also find that the availability of substances in the home during adolescence is associated with an earlier age at first substance use. This study offers further evidence for understanding how the home environment affects substance use behavior among young adults. In this case, exposure to substances in adolescence, and their easy availability increases the likelihood of substance use in adolescence, and increases use in young adulthood. PMID- 29200807 TI - Collaboration of the NIH and PHS Commissioned Corps in the International Ebola Clinical Research Response. AB - The U.S. response to the Ebola epidemic resulted in many federal agencies assessing their ability to respond to global threats and improve the efficiency of humanitarian efforts. PMID- 29200808 TI - Developing a Psychometric Instrument to Measure Physical Education Teachers' Job Demands and Resources. AB - Based on the job demands-resources model, the study developed and validated an instrument that measures physical education teachers' job demands-resources perception. Expert review established content validity with the average item rating of 3.6/5.0. Construct validity and reliability were determined with a teacher sample (n = 397). Exploratory factor analysis established a five dimension construct structure matching the theoretical construct deliberated in the literature. The composite reliability scores for the five dimensions range from .68 to .83. Validity coefficients (intraclass correlational coefficients) are .69 for job resources items and .82 for job demands items. Inter-scale correlational coefficients range from -.32 to .47. Confirmatory factor analysis confirmed the construct validity with high dimensional factor loadings (ranging from .47 to .84 for job resources scale and from .50 to .85 for job demands scale) and adequate model fit indexes (root mean square error of approximation = .06). The instrument provides a tool to measure physical education teachers' perception of their working environment. PMID- 29200809 TI - A Gendered Approach to Understanding the Roles of Social Bonding, Personal Control, and Strain on College Dating Violence in Emerging Adulthood. AB - Borrowing insights from concepts that have been shown to predict deviant or criminal outcomes (i.e., social bonding, personal control, and strain), this study examined dating violence from the perpetrators' and gender-relevance perspective among young college students (18-25 years old). This study raised 2 research questions: Were social bonding, personal control, and strain associated with college dating violence? How did these associations differ by gender? In sum, 2 types of social bonding (commitment to goal attainment and spending time with delinquent peers) were linked to psychological aggression in dating. Whereas self-control was negatively related to dating violence perpetration, antisocial tendencies were associated with physical aggression. Further, all the strain measures (i.e., daily hassles, relationship distress, and couple conflict) had a positive association with dating violence. When gender was considered, self control had a protective effect for women and antisocial tendencies served as a risk factor for increased psychological violence among men. PMID- 29200810 TI - Surface Tension and Adsorption Studies by Drop Profile Analysis Tensiometry. AB - Surface tension and dilational viscoelasticity of solutions of various surfactants measured with bubble and drop profile analysis tensiometry are discussed. The study also includes experiments on the co-adsorption of surfactant molecules from a solution drop and alkane molecules from saturated alkane vapor phase. Using experimental data for 12 surfactants with different surface activities, it is shown that depletion due to adsorption of surfactant from the drop bulk can be significant. An algorithm is proposed quantitatively to take into consideration the depletion effect which is required for a correct description of the co-adsorption of alkanes on the solution drop surface and the correct analysis of experimental dynamic surface tension data to determine the adsorption mechanism. Bubble and drop profile analysis tensiometry is also the method of choice for measuring the dilational viscoelasticity of the adsorbed interfacial layer. The same elasticity moduli are obtained with the bubble and drop method only when the equilibrium surface pressures are sufficiently small (Pi < 15 mN m-1). When the surface pressure for a surfactant solution is larger than this value, the viscoelasticity moduli determined from drop profile experiments become significantly larger than those obtained from bubble profile measurements. PMID- 29200811 TI - Alkyl Xylosides: Physico-Chemical Properties and Influence on Environmental Bacteria Cells. AB - A group of four selected non-ionic surfactants based on carbohydrates, namely octyl d-xyloside (C8X), nonyl d-xyloside (C9X), decyl d-xyloside (C10X) and dodecyl d-xyloside (C12X), have been investigated to accomplish a better understanding of their physico-chemical properties as well as biological activities. The surface-active properties, such as critical micelle concentration (CMC), emulsion and foam stability, the impact of the compounds on cell surface hydrophobicity and cell membrane permeability together with their toxicity on the selected bacterial strains have been determined as well. The studied group of surfactants showed high surface-active properties allowing a decrease in the surface tension to values below 25 mN m-1 for dodecyl d-xyloside at the CMC. The investigated compounds did not have any toxic influence on two Pseudomonas bacterial strains at concentrations below 25 mg L-1. The studied long-chain alkyl xylosides influenced both the cell inner membrane permeability and the cell surface hydrophobicity. Furthermore, the alkyl chain length, as well as the surfactant concentration, had a significant impact on the modifications of the cell surface properties. The tested non-ionic surfactants exhibited strong surface-active properties accompanied by the significant influence on growth and properties of Pseudomonas bacteria cells. PMID- 29200812 TI - Application of Micellar Extraction for Isolation of Famotidine from Aqueous Samples Prior to its Chromatographic Determination. AB - Micellar extraction was applied to isolate famotidine from aqueous samples. This drug is an H2 receptor antagonist used for the treatment of stomach diseases. The process was performed with a mixture of anionic sodium dodecylsulfate and nonionic Triton X-114 surfactants. The effect of different parameters on the efficiency of the micellar extraction such as electrolyte and surfactant concentration, pH of sample, temperature, shaking and centrifugation time was investigated. The influence of foreign substances on a studied process was tested. The elaborated procedure was applied for HPLC-UV determination of famotidine in natural water samples. The calibration graph was recorded in the range 1.35-37.12 MUg mL-1 of the studied compound. The repeatability of the method was equal to 7.4%. The limit of detection and quantification values for the determination of famotidine by using the proposed method amounted to 0.40 and 1.25 MUg mL-1, respectively. PMID- 29200813 TI - Determination of Dodecanol and Short-Chained Ethoxylated Dodecanols by LC-MS/MS (with Electrospray Ionization) After Their Derivatization (with Phenyl Isocyanate). AB - Abstract: This report describes the application of LC-MS/MS for the separation of dodecanol (C12OH) and homogenous fatty alcohols ethoxylated (AE) containing a dodecyl moiety and 1-9 ethoxy groups. These ethoxylates and free alcohol were derivatized for LC-MS/MS analysis with phenyl isocyanate (PIC). The derivatives of analytes with PIC were separated using a C18 column. Gradient elution with a mixture of ethyl acetate and acetonitrile (5 mM) was employed. The described determination method is characterized by low detection limits (range from 0.005 ug L-1 for: C12OH, C12EO2-7 to 1 ug L-1 for C12EO1) and quantification limits (range from 0.01 ug L-1 for: C12EO5-7 to 2 ug L-1 for C12EO1). The developed and validated method was used in combination with liquid-liquid extraction (using ethyl acetate) in order to identify and quantitatively determine the C12OH and C12EO1-9 present in environmental samples collected from Warta river water in Poznan. Graphical abstract: PMID- 29200814 TI - Selective Synthesis of Polyoxyethylene-Polyoxypropylene Block Copolymer (Poloxamer) Fatty Acid Monoesters Over Homogeneous Organotin Catalyst. AB - The synthesis of selected polyoxyethylene-polyoxypropylene block copolymer (poloxamer) fatty acid monoesters is presented. Organotin homogeneous catalyst Sn bis(2-ethylhexanoate) effectively catalyzed the esterification reaction of (EO) (PO)-(EO) block copolymer (poloxamer) with fatty acids. The reaction proceeded in high yield and high selectivity to monoesters. Content of diesters in final products was below 1 wt%. The new protocol opened up a high yield and high selective method for the synthesis of poloxamer fatty acid monoesters. These products are potentially interesting for industrial applications, e.g. in lubricants, cosmetics and, in particular, as potential emulsifying agents compatible with hydrocarbon bases, such as paraffin. PMID- 29200815 TI - Design and Test Research on Cutting Blade of Corn Harvester Based on Bionic Principle. AB - Existing corn harvester cutting blades have problems associated with large cutting resistance, high energy consumption, and poor cut quality. Using bionics principles, a bionic blade was designed by extracting the cutting tooth profile curve of the B. horsfieldi palate. Using a double-blade cutting device testing system, a single stalk cutting performance contrast test for corn stalks obtained at harvest time was carried out. Results show that bionic blades have superior performance, demonstrated by strong cutting ability and good cut quality. Using statistical analysis of two groups of cutting test data, the average cutting force and cutting energy of bionic blades and ordinary blades were obtained as 480.24 N and 551.31 N and 3.91 J and 4.38 J, respectively. Average maximum cutting force and cutting energy consumption for the bionic blade were reduced by 12.89% and 10.73%, respectively. Variance analysis showed that both blade types had a significant effect on maximum cutting energy and cutting energy required to cut a corn stalk. This demonstrates that bionic blades have better cutting force and energy consumption reduction performance than ordinary blades. PMID- 29200816 TI - Multivariable prediction model for suspected giant cell arteritis: development and validation. AB - Purpose: To develop and validate a diagnostic prediction model for patients with suspected giant cell arteritis (GCA). Methods: A retrospective review of records of consecutive adult patients undergoing temporal artery biopsy (TABx) for suspected GCA was conducted at seven university centers. The pathologic diagnosis was considered the final diagnosis. The predictor variables were age, gender, new onset headache, clinical temporal artery abnormality, jaw claudication, ischemic vision loss (VL), diplopia, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and platelet level. Multiple imputation was performed for missing data. Logistic regression was used to compare our models with the non-histologic American College of Rheumatology (ACR) GCA classification criteria. Internal validation was performed with 10-fold cross validation and bootstrap techniques. External validation was performed by geographic site. Results: There were 530 complete TABx records: 397 were negative and 133 positive for GCA. Age, jaw claudication, VL, platelets, and log CRP were statistically significant predictors of positive TABx, whereas ESR, gender, headache, and temporal artery abnormality were not. The parsimonious model had a cross-validated bootstrap area under the receiver operating characteristic curve (AUROC) of 0.810 (95% CI =0.766 0.854), geographic external validation AUROC's in the range of 0.75-0.85, calibration pH-L of 0.812, sensitivity of 43.6%, and specificity of 95.2%, which outperformed the ACR criteria. Conclusion: Our prediction rule with calculator and nomogram aids in the triage of patients with suspected GCA and may decrease the need for TABx in select low-score at-risk subjects. However, misclassification remains a concern. PMID- 29200817 TI - Evaluation of corneal symmetry after UV corneal crosslinking for keratoconus. AB - Purpose: The purpose of this study was to assess UV corneal crosslinking (CXL) treatment outcomes for keratoconus by evaluating the corneal regularity in patients through follow-up using the Oculus Pentacam. Patients and methods: A total of 18 eyes from CXL patients with keratoconus were studied before and after CXL treatment, and six eyes from six patients who were not treated with CXL served as controls. Treated patients had Pentacam images taken before CXL treatment and regularly 3 months post treatment up to the 12th month. Controls were imaged during their first appointment and after 12 months. Symmetry and asphericity were evaluated and correlated with both best-corrected visual acuity (BCVA) and maximum K-readings. Results: In the CXL-treated group, there was a significant improvement in the index of symmetrical variation (ISV) and keratoconus index (KI) at 3 months and in the index of height asymmetry (IHA) and minimum radius of curvature (Rmin) at 9 months post treatment. On the contrary, the untreated group's indices showed some significant worsening in ISV, KI, central keratoconus index (CKI), and Rmin. A novel finding in our study was a slight positive shift of anterior asphericity in the 6 mm, 7 mm, and 8 mm 3 months after treatment, which had a correlation with BCVA (R2=0.390, p=0.053) and a strong correlation with maximum K-reading (R2=0.690, p=0.005). However, the untreated group had no significant changes after 1 year. Conclusion: The corneal asymmetrical shape is associated with the spherical aberration alteration influenced by temporal evolution of surface ablation and increased corneal haze. However, insignificant changes in symmetry attest the stabilization effect on cornea postoperatively as compared with controls. PMID- 29200818 TI - Photodynamic therapy combined with antivascular endothelial growth factor treatment for recalcitrant chronic central serous chorioretinopathy. AB - Purpose: To determine whether combination photodynamic therapy (PDT) and antivascular endothelial growth factor (VEGF) therapy is effective in the management of chronic central serous chorioretinopathy (CSC) recalcitrant to conventional therapy. Methods: This was a retrospective analysis of eight patients with chronic CSC unresponsive to topical nonsteroidal anti-inflammatory drugs, focal photocoagulation, anti-VEGF alone, or PDT alone. All patients were evaluated with a full ophthalmic examination, spectral-domain optical coherence tomography (OCT), fluorescein angiography (FA), and most with indocyanine green angiography (ICGA) followed by treatment with half-fluence PDT and intravitreal anti-VEGF injection (seven bevacizumab, one aflibercept). Patients were seen in follow-up 1 month after treatment. Results: All eight patients achieved complete resolution in subretinal fluid following combination treatment. Average duration of CSC prior to initiation of combination therapy was 7.5 months. Mean central macular thickness on OCT decreased significantly from 401.2+/-52.7 um to 297.9+/ 18.2 um (p=0.0010) by 4 months after treatment (1.63+/-1.18 months). Seven of eight patients were followed up for an average of 13 months with no recurrence during that time. One case recurred at 8 months and was treated with repeat combination at that time. Frank choroidal neovascularization (CNV) was not identified in these cases on FA or ICGA studies. Eight of eight patients showed significant improvement in vision from a logMAR of 0.1125+/-0.099 to 0.0125+/ 0.064 (p=0.019). Conclusion: Combination PDT and anti-VEGF is effective for chronic CSC which has failed conventional therapy. Associated CNV and/or inflammation may be reasons for greater success in patients treated with combination therapy. PMID- 29200819 TI - The efficacy of preoperative posterior subtenon injection of triamcinolone acetonide in noninfectious uveitic patients with secondary glaucoma undergoing trabeculectomy. AB - Objective: The aim of this study was to evaluate the efficacy and safety of preoperative posterior subtenon injection of triamcinolone acetonide (PSTA) in noninfectious uveitic patients with secondary glaucoma undergoing primary trabeculectomy with mitomycin C. Design: This was a retrospective study. Patients and methods: We reviewed the medical records of 10 noninfectious uveitic patients, who had received a single preoperative PSTA 40 mg/1 mL, with secondary glaucoma undergoing primary trabeculectomy with mitomycin C. We collected data before and after surgery on intraocular pressure (IOP), anterior chamber (AC) cells, best-corrected visual acuity (BCVA), morphologic characteristics of the filtering bleb and complications. Results: The mean time between injection and surgery was 7.8+/-3.88 days. Postoperative IOP level was significantly lower than preoperative level (31.3+/-11.44 mmHg) at all visits (P<0.02). Antiglaucoma medications were decreased from preoperative (4.9+/-0.88) to 12-month postoperative (0.8+/-1.31; P-value <0.001) and also discontinued in seven eyes (70%). About 12 months after surgery, eight eyes (80%) with qualified success and two eyes (20%) with failed treatment were recorded. AC cells and BCVA did not differ significantly from baseline; however, all inflammations were controlled successfully. Most desirable bleb morphology was shown at 12 months as well. Complications were blepharoptosis and hypotony maculopathy in two eyes (20%). Conclusion: A preoperative PSTA may be an effective and safe option in controlling intraocular inflammation and maintaining bleb function after trabeculectomy in noninfectious uveitic patients with secondary glaucoma during a 12-month period. PMID- 29200820 TI - The effect of flap thickness on corneal biomechanics after myopic laser in situ keratomileusis using the M-2 microkeratome. AB - Purpose: The purpose of this study was to determine the effect of flap thickness on corneal biomechanics after myopic laser in situ keratomileusis (LASIK). Methods: This is a prospective controlled non-randomized, institutional study. Patients underwent either epi-LASIK with mitomycin (advanced surface ablation [ASA]), thin-flap LASIK (90 um head), or thick-flap LASIK (130 um head). In ASA, the Moria Epi-K hydroseparator was used. LASIK flaps were created using the Moria M-2 mechanical microkeratome. The corneal hysteresis (CH) and corneal resistance factor (CRF) were measured preoperatively and 3 months after surgery, using the Ocular Response Analyzer(r). Results: Ten patients (19 eyes) underwent ASA, 11 patients (16 eyes) underwent thin-flap LASIK, and 11 patients (16 eyes) underwent thick-flap LASIK. The mean preoperative CH was 10.47+/-0.88, 10.52+/-1.4, and 11.28+/-1.4 mmHg (p=0.043), respectively, decreasing after surgery by 1.75+/ 1.02, 1.66+/-1.00, and 2.62+/-1.03 mmHg (p=0.017). The mean reduction of CH per micron of central corneal ablation was 0.031, 0.023, and 0.049 mmHg/um (p=0.005). Mean preoperative CRF was 10.11+/-1.28, 10.34+/-1.87, and 10.62+/-1.76 mmHg (p=0.66), decreasing after surgery by 2.33+/-1.35, 2.77+/-1.03, and 2.92+/-1.10 mmHg (p=0.308). The mean reduction of CRF per micron of central corneal ablation was 0.039, 0.040, and 0.051 mmHg/um (p=0.112). Conclusion: Thick-flap LASIK caused a greater reduction of CH and CRF than thin-flap LASIK and ASA, although this was statistically significant only for CH. ASA and thin-flap LASIK were found to be biomechanically similar. PMID- 29200821 TI - Spectropathology-corroborated multimodal quantitative imaging biomarkers for neuroretinal degeneration in diabetic retinopathy. AB - Introduction: Image-based early detection for diabetic retinopathy (DR) needs value addition due to lack of well-defined disease-specific quantitative imaging biomarkers (QIBs) for neuroretinal degeneration and spectropathological information at the systemic level. Retinal neurodegeneration is an early event in the pathogenesis of DR. Therefore, development of an integrated assessment method for detecting neuroretinal degeneration using spectropathology and QIBs is necessary for the early diagnosis of DR. Methods: The present work explored the efficacy of intensity and textural features extracted from optical coherence tomography (OCT) images after selecting a specific subset of features for the precise classification of retinal layers using variants of support vector machine (SVM). Fourier transform infrared (FTIR) spectroscopy and nuclear magnetic resonance (NMR) spectroscopy were also performed to confirm the spectropathological attributes of serum for further value addition to the OCT, fundoscopy, and fluorescein angiography (FA) findings. The serum metabolomic findings were also incorporated for characterizing retinal layer thickness alterations and vascular asymmetries. Results: Results suggested that OCT features could differentiate the retinal lesions indicating retinal neurodegeneration with high sensitivity and specificity. OCT, fundoscopy, and FA provided geometrical as well as optical features. NMR revealed elevated levels of ribitol, glycerophosphocholine, and uridine diphosphate N-acetyl glucosamine, while the FTIR of serum samples confirmed the higher expressions of lipids and beta-sheet-containing proteins responsible for neoangiogenesis, vascular fragility, vascular asymmetry, and subsequent neuroretinal degeneration in DR. Conclusion: Our data indicated that disease-specific spectropathological alterations could be the major phenomena behind the vascular attenuations observed through fundoscopy and FA, as well as the variations in the intensity and textural features observed in OCT images. Finally, we propose a model that uses spectropathology corroborated with specific QIBs for detecting neuroretinal degeneration in early diagnosis of DR. PMID- 29200822 TI - Intraocular pressure 1 year after vitrectomy in eyes without a history of glaucoma or ocular hypertension. AB - Objective: The aim of this study was to investigate the incidence, risk factors, and treatment of elevated intraocular pressure (IOP) 1 year after vitrectomy in eyes without a history of glaucoma or ocular hypertension. Patients and methods: This retrospective study comprised 256 eyes from 256 consecutive patients without a history of glaucoma or ocular hypertension who underwent vitrectomy and were followed up for 1 year. The incidence of elevated IOP at 1 year after vitrectomy was calculated. We compared the characteristics of patients with or without elevated IOP to identify possible risk factors for elevated IOP. The treatments used to control IOP were recorded and analyzed. Results: A total of 50 patients (19.5%) had elevated IOP after vitrectomy at the 1-year follow-up. Tamponade was a significant risk factor for elevated IOP (P<0.05). The cumulative rates of elevated IOP in eyes with air, balanced salt solution, sulfur hexafluoride, perfluoropropane (C3F8), and silicone oil as the tamponade were 0, 10.8%, 5.9%, 19.8%, and 28.4%, respectively (P<0.05). About 68% of cases of elevated IOP occurred within 1 month after vitrectomy. At 1 year after vitrectomy, 29 patients (58.0%) had stopped their IOP-lowering drugs and 21 (42.0%) patients were continuing these drugs. About 65% of ocular hypertension patients who received silicone oil tamponade had not stopped IOP-lowering drugs; this rate was significantly greater than that of ocular hypertension patients who received C3F8 tamponade (18.2%, P<0.05). Conclusion: Elevated IOP is a common complication after vitrectomy. Silicone oil tamponade was associated with greater risk of elevated IOP and had long-term effects on IOP. Drugs and surgery were used to control IOP, and some patients required long-term IOP-lowering therapy. PMID- 29200823 TI - Six-month postoperative outcomes of intraoperative OCT-guided surgical cystotomy for refractory cystoid macular edema in diabetic eyes. AB - Purpose: This study evaluated the outcomes of surgical cystotomy for recurrent diabetic cystoid macular edema (CME). Patients and methods: We analyzed 20 eyes with a clinical diagnosis of diabetic retinopathy and refractory CME. Release of vitreoretinal adhesion, epiretinal membrane (ERM) and internal limiting membrane (ILM) peeling and cystotomy guided by intraoperative optical coherence tomography (iOCT) were performed in every patient. Pars plana vitrectomy was also performed in 17 patients, 11 of whom also underwent lensectomy and intraocular lens implantation. Central retinal thickness (CRT), central minimum macular thickness (CMMT), macular volume (MV) and best-corrected visual acuity (BCVA) were compared preoperatively and 1 and 6 months post surgery. Results: CRT, CMMT and MV significantly improved 1 and 6 months post surgery in each group (P<0.01). Significant improvements in BCVA were only observed 6 months post surgery (P<0.01). No intra- or postoperative complications were observed in all patients. Conclusion: CRT, CMMT, MV and BCVA significantly improved 6 months following surgical cystectomy. This implies that iOCT-guided cystotomy could be another treatment option for refractory CME in diabetic eyes. PMID- 29200824 TI - Pharmacodynamic testing and new validated HPLC method to assess the interchangeability between multi-source orlistat capsules. AB - Background: Orlistat is an irreversible inhibitor of the lipase enzyme that prevents trigylcerides from being digested, thereby inhibiting triglyceride hydrolysis and absorption. The resultant reduced calorie uptake enables a positive effect on weight control. Systemic absorption of the drug is, therefore, not necessary for its mode of action. An alternative in vitro study (pharmacodynamic) has been introduced for this drug, as in vivo bioavailability studies are irrelevant with regard to the achievement of the product's intended purposes. Objectives: To develop a new validated high-performance liquid chromatography (HPLC) method for the analysis of orlistat and to assess the potency and equivalence of three orlistat formulations using the pharmacodynamic method as a surrogate indicator of pharmaceutical interchangeability. Methods: A new HPLC method was developed for the analysis and for the dissolution studies of orlistat in capsules. Pancreatic lipase activity was measured for three different capsule products: Orlislim(r), Slimcare(r), and Xenical(r), G1, G2, and the brand, respectively. Porcine pancreatic lipase and p-nitrophenyl butyrate (PNPB) were placed in a pH 7.4 reaction buffer at 37 degrees C, and substrate hydrolysis was monitored by measuring absorbance changes at 410 nm; this was repeated on six capsules of each product. The inhibition was expressed by the concentration of product, which inhibited 50% of the activity of pancreatic lipase (IC50). Results: The new analytical method was suitable for orlistat analysis. Values of IC50 from regression lines and equations were 6.14, 8.43, and 7.80 MUg/mL for Orlislim(r), Xenical(r), and Slimcare(r), respectively. Conclusion: Pharmacodynamic studies of lipase inhibition could be used to support in vitro dissolution, which demonstrates interchangeability between generic and branded orlistat capsules. Moreover, it could be suggested as an alternative tool to bioequivalence studies for orlistat oral products. PMID- 29200825 TI - Efficacy and safety of quadruple therapy including tirofiban in the treatment of Chinese NSTE-ACS patients failing to receive timely percutaneous coronary intervention. AB - Background: Although it has been shown to be superior to simple antithrombotic drug therapy, most patients are unable to receive timely percutaneous coronary intervention (PCI) and are treated with conventional triple antithrombotic therapy (aspirin, clopidogrel, low-molecular-weight heparin). Here, we evaluate the efficacy and safety of adding low-dose tirofiban to this regimen. Methods: A total of 1,783 patient records (unable to receive PCI) indicating non-ST-segment elevation acute coronary syndrome (NSTE-ACS) were included. A total of 882 received conventional triple antithrombotic therapy; 901 received quadruple antithrombotic therapy. Efficacy was evaluated in terms of major adverse cardiovascular event (MACE) parameters. Safety was evaluated based on the occurrence of bleeding events. Data were collected over a 6-month period post treatment. Results: The rate of occurrence of MACE was significantly lower in the quadruple antithrombotic group (10.5% versus 14.1% at 6 months, P=0.02). The log rank test showed improved survival in the quadruple antithrombotic group. Total bleeding events were higher in the quadruple antithrombotic group (9.7%) than in the triple antithrombotic group (7.1%) (P=0.04); however, this may be attributed to increased clinically insignificant minor bleeding events. Conclusion: Quadruple antithrombotic therapy demonstrated a superior alternative for the treatment of high-risk NSTE-ACS patients failing to receive PCI. PMID- 29200826 TI - Anticancer effect of dentatin and dentatin-hydroxypropyl-beta-cyclodextrin complex on human colon cancer (HT-29) cell line. AB - Introduction: Dentatin (DEN) (5-methoxy-2, 2-dimethyl-10-(1, 1-dimethyl 2propenyl) dipyran-2-one), a natural compound present in the roots of Clausena excavata Burm f, possesses pro-apoptotic and antiproliferative effects in various cancer cells. Because of its hydrophobicity, it is believed that its complexation with hydroxy-beta-cyclodextrin (HPbetaCD) will make it a potent inhibitor of cancer cell growth. In the current work, the molecular mechanisms of apoptosis induced by DEN and DEN-HPbetaCD complex were demonstrated in human colon HT-29 cancer cells. Materials and methods: After the human colon HT-29 cancer cells were treated with DEN and DEN-HPbetaCD complex, their effects on the expression of apoptotic-regulated gene markers in mitochondria-mediated apoptotic and death receptor pathways were detected by Western blot analysis and reverse transcription polymerase chain reaction. These markers included caspases-9, 3, and 8, cytochrome c, poly (ADP-ribose) polymerase, p53, p21, cyclin A as well as the Bcl-2 family of proteins. Results: At 3, 6, 12, and 24 ug/mL exposure, DEN and DEN-HPbetaCD complex significantly affected apoptosis in HT-29 cells through the down-regulation of Bcl-2 and cyclin A in turn, and up-regulation of Bax, p53, p21, cytochrome c at both protein and mRNA levels. DEN and DEN-HPbetaCD complex also decreased cleaved poly (ADP-ribose) polymerase and induced caspases-3, -8, and -9. Conclusion: Results of this study indicate that the apoptotic pathway caused by DEN and DEN-HPbetaCD complex are mediated by the regulation of caspases and Bcl-2 families in human colon HT-29 cancer cells. The results also suggest that DEN-HPbetaCD complex may have chemotherapeutic benefits for colon cancer patients. PMID- 29200827 TI - Severe hypertriglyceridemia and colchicine intoxication following suicide attempt. AB - Colchicine overdose is uncommon but potentially life threatening. Due to its serious adverse systemic effects, overdose must be recognized and treated. We report a case of an 18-year-old female who ingested 18 mg (~0.4 mg/kg) of colchicine in a suicide attempt. The patient's clinical manifestations included abdominal cramps, vomiting, pancytopenia, hypocholesterolemia, and rhabdomyolysis. Two unique manifestations of toxicity in this patient were profound and persistent, severe hypertriglyceridemia and electrolyte imbalance, mainly hypophosphatemia, with no other evident cause except the colchicine intoxication. Following intensive supportive treatment, including ventilator support, N-acetylcysteine, granulocyte colony stimulating factor, electrolyte repletion, and zinc supplementation, the patient made a complete recovery. Colchicine intoxication is a severe, life-threatening situation that should be followed closely in intensive care units. Severe changes in body functions can rapidly develop, as previously described in the literature. To our knowledge, this extremely elevated triglyceride level has never been reported without the administration of propofol, and requires further evaluation. PMID- 29200828 TI - Fentanyl-induced respiratory depression is attenuated in pregnant patients. AB - Background: Respiratory depression is a complication of intravenous fentanyl administration. The effect of pregnancy on respiratory depression following opioid administration is unclear. This study investigated the effect of pregnancy on fentanyl-induced respiratory depression. Patients and methods: Female patients were divided into three groups (n=20 per group): control group (non-pregnant and scheduled for laparoscopic surgery), early pregnancy group (pregnant for 45-60 days and scheduled for abortion), and postpartum group (5-7 days postpartum scheduled for complete curettage of uterine cavity). All patients received an intravenous infusion of fentanyl 2 MUg/kg. Respiratory rate (RR), end-tidal pressure of carbon dioxide (PETCO2), and pulse oxygen saturation (SpO2) were recorded continuously from just before fentanyl infusion to 15 min after commencing infusion. Plasma levels of progesterone were measured. Results: SpO2 levels in the early pregnancy and postpartum groups were significantly higher and the levels of RR and PETCO2 were significantly lower than the control group. RR and SpO2 levels were significantly decreased in all groups, whereas PETCO2 was significantly increased after fentanyl infusion. The rates of RR increase and SpO2 decrease were significantly faster in the control group than in the other groups. The lowest SpO2 after intravenous fentanyl administration was significantly positively correlated with plasma progesterone levels. Conclusion: Pregnancy improves fentanyl-induced respiratory depression, which may be associated with the increased levels of plasma progesterone. PMID- 29200829 TI - Andrographolide enhanced 5-fluorouracil-induced antitumor effect in colorectal cancer via inhibition of c-MET pathway. AB - Colorectal cancer (CRC) is the third most common malignant neoplasm worldwide. 5 Fluorouracil (5-Fu) is the most important chemotherapeutic drug used for the treatment of CRC. However, resistance to 5-Fu therapies is a growing concern in CRC clinical practice recently. Andrographolide (Andro) is a main bioactive constituent of the herb Andrographis paniculata, which has various biological effects including anti-inflammation and antitumor activities. In the present study, we investigated the effects of combined Andro with 5-Fu against CRC HCT 116 cells. In vitro studies showed that Andro synergistically enhanced the anti proliferation effect of 5-Fu on HCT-116 cells due to increased apoptotic cells. Meanwhile, results of the enzyme linked immunosorbent assay indicated that the level of phosphorylated cellular-mesenchymal to epithelial transition factor (p MET) was decreased by the combination treatment. Further study suggested that Andro promoted the antitumor effect of 5-Fu by down-regulating the level of p MET. In conclusion, these results confirmed the synergistic antitumor activity of Andro on CRC and provide evidence for possible clinical application of Andro for enhancing the antitumor effect of 5-Fu in CRC treatment. PMID- 29200831 TI - Efficacy and safety of fixed-combination bimatoprost/timolol ophthalmic solution. PMID- 29200830 TI - Notoginsenoside R1 attenuates high glucose-induced endothelial damage in rat retinal capillary endothelial cells by modulating the intracellular redox state. AB - The aim of this study was to examine whether Notoginsenoside R1 (NR1) attenuates high glucose-induced cell damage in rat retinal capillary endothelial cells (RCECs) and to explore the mechanisms involved. The exposure of rat RCECs to high concentration of glucose (30 mM) for 72 h led to significant cytotoxicity, including decreased cell viability, reduced mitochondrial DNA copy number, increased lactate dehydrogenase release and elevated apoptosis. NR1, when present in the culture medium, markedly attenuated the high glucose-induced cytotoxicity in rat RCECs. Moreover, high glucose also induced a significant increase in intracellular reactive oxygen species and subsequently increased the activity of NADPH oxidase and poly-ADP (ribose) polymerase, whereas the activity of catalase decreased. The addition of NR1 to the medium significantly reduced the generation of reactive oxygen species, inhibited NADPH oxidase and poly-ADP (ribose) polymerase activities and increased catalase activity in RCECs, accompanied by a reduced cellular nitrotyrosine level. To explore the underlying mechanisms involved, the cellular redox status was monitored. Both the cellular NAD+ and NADPH levels decreased significantly in high glucose medium, which resulted in a marked decrease in the NAD+/NADH and NADPH/NADP+ ratios. High glucose stimulation also enhanced the accumulation of GSSG, maintaining the GSH/GSSG ratio lower than that in the control group with 5.5 mM glucose. When treated with NR1, the cellular NAD+, NADPH and GSH concentrations increased, and the ratios of NAD+/NADH, NADPH/NADP+ and GSH/GSSG increased, similar to the control group. These results demonstrate that NR1 attenuates high glucose-induced cell damage in RCECs. Therefore, NR1 may exert its protective effects via mechanisms that involve changes in the cellular redox state. PMID- 29200832 TI - Post-discharge evaluation of medication adherence and knowledge of hypertension among hypertensive stroke patients in northwestern China. AB - Objectives: The aims of this study were to assess the knowledge of hypertension (HTN) and investigate risk factors associated with medication adherence among hypertensive stroke patients after discharge in northwestern China. Patients and methods: A cross-sectional study involving 440 Chinese hypertensive stroke patients was conducted in a tertiary hospital in Xi'an, China. Data were collected by telephone interviews and patients' medical records. Results: It was found that 35.23% of patients were compliant with their antihypertensive drug treatments, and 42.95%, 52.27% and 4.77% of patients had poor, moderate and adequate knowledge of HTN, respectively. Gender, blood pressure (BP) categories, BP monitoring and HTN knowledge were independently associated with antihypertensive medication adherence. Conclusion: The medication adherence among hypertensive stroke patients in northwestern China was poor. Knowledge of HTN was suboptimal. More attention and effective strategies should be designed to the factors affecting medication adherence. As knowledge positively affects medication adherence, clinical pharmacists should play an important role in patients' medication education. PMID- 29200833 TI - Positive airway pressure adherence and subthreshold adherence in posttraumatic stress disorder patients with comorbid sleep apnea. AB - Study objectives: Patients with comorbid posttraumatic stress disorder (PTSD) and obstructive sleep apnea (OSA) manifest low adherence to continuous positive airway pressure (CPAP) due to fixed, pressure-induced expiratory pressure intolerance (EPI), a subjective symptom and objective sign aggravated by anxiety sensitivity and somatosensory amplification. As advanced PAP therapy modes (ie, auto-bilevel PAP [ABPAP] or adaptive servo-ventilation [ASV]) may address these side effects, we hypothesized such treatment would be associated with decreased expiratory intolerance and increased adherence in posttraumatic stress patients with co-occurring OSA. Methods: We reviewed charts of 147 consecutive adult patients with moderately severe posttraumatic stress symptoms and objectively diagnosed OSA. All patients failed or rejected CPAP and were manually titrated on auto-adjusting, dual-pressure ABPAP or ASV modes in the sleep laboratory, a technique to eliminate flow limitation breathing events while resolving EPI. Patients were then prescribed either mode of therapy. Follow-up encounters assessed patient use, and objective data downloads (ODDs) measured adherence. Results: Of 147 charts reviewed, 130 patients were deemed current PAP users, and 102 provided ODDs: 64 used ASV and 38 used ABPAP. ODDs yielded three groups: 59 adherent per insurance conventions, 19 subthreshold compliant partial users, and 24 noncompliant. Compliance based on available downloads was 58%, notably higher than recently reported rates in PTSD patients with OSA. Among the 19 partial users, 17 patients were minutes of PAP use or small percentages of nights removed from meeting insurance compliance criteria for PAP devices. Conclusion: Research is warranted on advanced PAP modes in managing CPAP failure in PTSD patients with comorbid OSA. Subthreshold adherence constructs may inform clinical care in a patient-centric model distinct from insurance conventions. Speculatively, clinical application of this transitional zone ("subthreshold" number of hours) may increase PAP use and eventual adherence. PMID- 29200834 TI - Effects of patients' motives in choosing a provider on determining the type of medical institution. AB - Background: Primary care is relatively weak in the Republic of Korea. As the referral system is not well established, patients can freely choose from among clinics, hospitals, and tertiary hospitals. This study was conducted to determine the factors influencing patients' choice of providers. Methods: A survey was conducted of 999 Korean adults aged 19-59 years. An exploratory factor analysis was performed on nine factors influencing their motives in choosing a medical provider. The factors derived from this analysis and the types of medical institutions were used as the independent and dependent variables, respectively, in logistic regression analysis. Adjustments were made for region, gender, age, educational level, income, type of insurance, and chronic diseases. Results: The results showed that patients preferred clinics when considering the importance of accessibility, staff kindness, and patient-centeredness; they preferred hospitals when considering cleanliness; and tertiary hospitals when considering the reputation and structural factors. When considering structural factors, clinics and hospitals were less preferred; however tertiary hospitals were less preferred when considering accessibility, staff kindness, and patient-centeredness. Conclusion: It is necessary to provide more accessible and patient-centered services in order to strengthen the primary health care role of clinics. In addition, efforts are needed to improve the quality of health care of tertiary hospitals in order to meet patient expectations. PMID- 29200835 TI - Transitional-aged youth perceptions of influential factors for substance-use change and treatment seeking. AB - There is an evident disparity between the number of youth who report experiencing problematic substance use and the number who seek treatment. To address this disparity, it is important to understand the reasons youth do and do not seek substance use treatment. Using qualitative data obtained from semistructured interviews with 31 youth aged 17-25 years presenting for treatment at a mental health hospital, the current study identifies themes in the factors that youth identify as having influenced them to seek or delay treatment. In alignment with self-determination theory, youth identified internal factors, such as wanting to better their academic, social, or financial situation, and external factors, such as familial pressure, as motivating them to seek treatment. Factors beyond those encompassed by self-determination theory were also revealed as having influenced youth decisions to seek treatment for substance abuse. These predominantly included structural factors, including satisfaction with previous treatment, accessibility of services, and availability of clinicians. These findings provide important insight for first-contact professionals and service providers looking to enhance youth motivation to seek and engage in treatment. Limitations and opportunities for future research are discussed. PMID- 29200836 TI - Computerized cognitive stimulation and engagement programs in older adults with mild cognitive impairment: comparing feasibility, acceptability, and cognitive and psychosocial effects. AB - Purpose: Mild cognitive impairment (MCI) is associated with a higher risk of dementia and is becoming a topic of interest for pharmacological and nonpharmacological interventions. With advances in technology, computer-based cognitive exercises are increasingly integrated into traditional cognitive interventions, such as cognitive training. Another type of cognitive intervention involving technology use is cognitive engagement, consisting of involving participants in highly motivational and mentally challenging activities, such as learning to use a form of new digital technology. This study examined the feasibility and acceptability of a computerized cognitive stimulation (CCS) program and a computerized cognitive engagement (CCE) program, and then compared their effects in older adults with MCI. Patients and methods: In this randomized study, data from 19 MCI patients were analyzed (n=9 in CCS and n=10 in CCE). The patients attended a group weekly session for a duration of 3 months. Assessments of cognitive and psychosocial variables were conducted at baseline (M0) and at the end of the programs (M3). Results: All of the participants attended the 12 sessions and showed a high level of motivation. Attrition rate was very low (one dropout at M3 assessment). At M3, the CCS participants displayed a significant improvement in part B of the Trail Making Test (TMT-B; p=0.03) and self-esteem (p=0.005), while the CCE participants showed a significant improvement in part A of the Trail Making Test (TMT-A; p=0.007) and a higher level of technology acceptance (p=0.006). The two groups did not differ significantly (p>0.05) in cognitive and psychosocial changes after the intervention. However, medium effect sizes (Cohen's d=0.56; 95% CI =-0.43:1.55) were found on the free recall, favoring the CCS group, as well as on TMT-A (d=0.51; 95% CI =-0.48:1.49) and technology acceptance (d=-0.65; 95% CI =-1.64:0.34), favoring the CCE group. Conclusion: Both interventions were highly feasible and acceptable and allowed improvement in different aspects of cognitive and psychosocial functioning in MCI subjects. PMID- 29200837 TI - The relationship of SSRI and SNRI usage with interstitial lung disease and bronchiectasis in an elderly population: a case-control study. AB - Background: The association between interstitial lung disease (ILD) and selective serotonin reuptake inhibitors and serotonin norepinephrine reuptake inhibitors (SSRI/SNRI) has been previously described in published case reports. However, its prevalence may be more common than expected. We examined the association between SSRI/SNRI usage and presence of ILD and or bronchiectasis (ILD/B) in an elderly population. Methods: We conducted a retrospective case series and case-control study involving all 296 eligible elderly patients in one primary care geriatric practice in Victoria, BC, Canada. Cases required the presence of ILD/B on computed tomography (CT) or chest X-ray (CXR). Cases were excluded if they had other causes for ILD/B on CXR or CT such as exposure to known pneumotoxic drugs, metastatic cancer, rheumatoid lung disease, sarcoidosis, previous pulmonary tuberculosis, or pneumoconiosis. Data were abstracted from the patients' medical record. The exposure variable was standardized cumulative person-month (p-m) dose of SSRI/SNRI. The study was approved by the Clinical Research Ethics Board of University of British Columbia with a waiver of informed consent. Results: A total of 12 cases and 273 controls were identified. Their mean ages were 89.0 and 88.7 years, respectively (p=0.862). A total of 10/12 cases and 99/273 controls were exposed to SSRI/SNRI. The odds ratio was 8.79, 95% confidence interval 2.40 32.23 (p=0.001). The median p-m exposure to SSRI/SNRI was 110.0 months for cases and 29.5 for controls (p=0.003). Conclusion: SSRIs and SNRIs were significantly associated with the risk of ILD/B in this elderly population. Because of their widespread usage, further studies should be done to validate these findings. Prescribers should cautiously monitor patients for development of insidious pulmonary symptoms when these drugs are used. PMID- 29200838 TI - Mortality after major amputation in elderly patients with critical limb ischemia. AB - Background: Owing to the aging population, the number of elderly patients with critical limb ischemia (CLI) has increased. The consequence of amputation is immense. However, at the moment, information about the mortality after amputation in the elderly vascular patients is unknown. For this reason, this study evaluated mortality rates and patient-related factors associated with mortality after a major amputation in elderly patients with CLI. Methods: From 2006 to 2013, we included patients aged >70 years who were treated for chronic CLI by primary or secondary major amputation within or after 3 months of initial therapy (revascularization or conservative management). Outcome measurements were mortality after major amputation and factors associated with mortality (age, comorbidity and timing of amputation). Results: In total, 168/651 patients (178 legs; 26%) underwent a major amputation. Patients were stratified by age: 70-80 years (n=86) and >80 years (n=82). Overall mortality after major amputation was 44%, 66% and 85% after 1, 3 and 5 years, respectively. The 6-month and 1-year mortality in patients aged 80 years or older was, respectively, 59% or 63% after a secondary amputation <3 months versus 34% and 44% after a secondary amputation >3 months. Per year of age, the mortality rate increased by 4% (P=0.005). No significant difference in mortality after major amputation was found in the presence of comorbidity or according to Rutherford classification. Conclusion: Despite developments in the treatment of CLI by revascularization, amputation rates remain high and are associated with tremendous mortality rates. Secondary amputation after a failed attempt of revascularization causes a higher mortality. Further research concerning timing of amputation and patient-related outcome is needed to evaluate if selected patients might benefit from primary amputation. PMID- 29200839 TI - Prediction of risk of depressive symptoms in menopausal women based on hot flash and sweating symptoms: a multicentre study. AB - Objective: The present study aimed to develop a symptom-based (namely, hot flashes and sweating) scoring system for predicting the risk of depressive symptoms in menopausal women via a multicentre cross-sectional survey. Methods: The data examined in the present study were obtained from 1,004 women aged 40-60 years who underwent physical examination at A Hospital. The basic information was obtained using a questionnaire-based survey. A self-rating depression scale was used to obtain the depressive symptom scores, while the Kupperman Menopausal Index was used to obtain the scores for the frequency of hot flashes and sweating. A logistic regression model was also established. The resulting beta coefficient was employed to calculate and predict the risk of depressive symptoms in these women and a risk scoring system was established. The scoring system was validated using samples from 2 other centers (validation sample 1: B Hospital, 440 women; validation sample 2: C Hospital, 247 women). Results: The scoring system developed to predict the risk of depressive symptoms in menopausal women was based on hot flash and sweating symptoms and associated with menopausal status, hot flash scores, education level (high school education and below) and being diabetic. The scoring system yielded a total score of 0-54 points. For women in the study sample, the area under the curve (AUC) of depressive symptom risk score was 0.750 (95% CI, 0.708-0.793). Validation sample 1 had an AUC of 0.731 (95% CI, 0.667-0.794), while validation sample 2 had an AUC of 0.744 (95% CI, 0.669-0.820). The optimal cut-off score to assess depressive symptoms in women participating in the present study was 31 points. The sensitivity and specificity for predicting depressive symptoms in the study sample were 0.667 and 0.701, respectively. In contrast, the sensitivity was 0.840 in validation sample 1 and 0.879 in validation sample 2. Conclusion: The hot flash and sweating symptom-based scoring system developed to predict the risk of depressive symptoms in menopausal women relies on non-laboratory survey data. The system is simple, practical, and convenient to use. For Chinese huge population of menopausal women, the scoring system should be considered a reliable screening tool for depressive symptoms. PMID- 29200840 TI - Lung function and long-term safety of tiotropium/olodaterol in East Asian patients with chronic obstructive pulmonary disease. AB - Background and purpose: While the efficacy and safety of combined tiotropium and olodaterol in patients with COPD was established in a large clinical trial program, it is important to assess whether clinical data can be applied to geographic patient groups, particularly for East Asian patients who may have a different phenotypic profile to the global trial population. This study aimed to compare the lung function and safety profiles of tiotropium/olodaterol and monocomponents in East Asian and global populations from the TONADO(r) trials. Materials and methods: In the replicate, double-blind, parallel-group, active controlled, randomized, 52-week, Phase III TONADO studies, patients received tiotropium/olodaterol, tiotropium, or olodaterol. We assessed the forced expiratory volume in 1 second (FEV1) area under the curve from 0 to 3 hours (AUC0 3) response and trough FEV1 response at 24 weeks for the approved doses, tiotropium/olodaterol 5/5 MUg, tiotropium 5 MUg, and olodaterol 5 MUg. Treatment emergent adverse events were recorded throughout treatment and <=21 days after study medication. Results: In the East Asian population, 1,152 patients were randomized (5,163 overall). After 24 weeks, FEV1 AUC0-3 and trough FEV1 responses were greater (P<0.0001) with tiotropium/olodaterol 5/5 MUg in both populations versus tiotropium or olodaterol. The East Asian population showed slightly greater trough FEV1 treatment differences between tiotropium/olodaterol 5/5 MUg and tiotropium compared to the overall population. Generally, no increase in adverse events was seen with tiotropium/olodaterol 5/5 MUg compared to tiotropium and olodaterol in either population. Conclusion: The efficacy and safety profile of tiotropium/olodaterol 5/5 MUg has been demonstrated for both East Asian and global populations. PMID- 29200841 TI - MAPK/FoxA2-mediated cigarette smoke-induced squamous metaplasia of bronchial epithelial cells. AB - Objective: To explore the effect of cigarette smoke (CS) on the development of squamous metaplasia in human airway epithelial cells and the role of MAPK- and FoxA2-signaling pathways in the process. Materials and methods: In an in vitro study, we treated the bronchial epithelial cell line BEAS2B with CS extract, followed by treatment with the ERK inhibitor U0126, the JNK inhibitor SP600125, or the p38 inhibitor SB203580. In vivo, we used a CS-induced rat model. After treatment with CS with or without MAPK inhibitors for 90 days, lung tissues were harvested. p-ERK, p-p38 and p-JNK protein levels in cells and lung tissue were measured using enzyme-linked immunosorbent assays, mRNA- and protein-expression profiles of FoxA2, E-cadherin, CD44, and ZO1 were measured using quantitative real-time polymerase chain reaction and Western blotting, respectively, and morphological changes in bronchial epithelial cells were observed using lung tissue staining. Results: In both the in vitro and in vivo studies, phosphorylation of the ERK1/2, JNK, and p38 proteins was significantly increased (P<0.05) and mRNA and protein expression of E-cadherin and FoxA2 significantly decreased (P<0.05) compared with the control group. ERK, JNK, and p38 inhibitors reversed the CS-extract-induced changes in E-cadherin, CD44, and ZO1 mRNA and protein expression (P<0.05), decreased p-ERK, p-p38, and p-JNK protein levels in cells and lung tissue, suppressed bronchial epithelial hyperplasia and local squamous metaplasia, and decreased FoxA2 expression. Conclusion: MAPK and FoxA2 mediate CS-induced squamous metaplasia. MAPK inhibitors upregulate FoxA2, resulting in a reduction in the degree of squamous metaplasia. PMID- 29200842 TI - Hemodynamic and gas exchange effects of inhaled iloprost in patients with COPD and pulmonary hypertension. AB - Studies have shown that vasodilators such as iloprost can be useful for treating pulmonary hypertension (PH). However, in patients with COPD, vasodilators may inhibit hypoxic pulmonary vasoconstriction and impair gas exchange. The efficacy and safety of iloprost inhalation was assessed in 67 patients with PH associated with COPD (COPD-PH), diagnosed by right heart catheterization. Of these, 37 patients had severe PH (mean pulmonary arterial pressure [mPAP] >35 mmHg or mPAP 25-35 mmHg with low cardiac index [<2.0 L?min-1?m-2]). All patients received a single 20 ug dose of iloprost via a nebulizer (4.4 ug delivered at the mouthpiece). No serious adverse events were reported. Hemodynamic and gas exchange parameters (arterial blood gas and shunt fraction [Qs/Qt]) were measured or calculated at baseline and 10 min after iloprost inhalation. mPAP decreased by 2.1 mmHg (95% CI, -3.3 to -1.0), pulmonary vascular resistance (PVR) decreased by 62.4 dyn?s?cm-5 (95% CI, -92.9 to -31.8), and cardiac output increased by 0.4 L?min-1 (95% CI, 0.2-0.5). There was a more significant decline in PVR in patients with severe COPD-PH than in those with nonsevere COPD-PH. Hypoxemia and intrapulmonary shunt were more extreme in patients with severe COPD-PH. However, there were no significant differences in arterial blood gas and Qs/Qt between patients with nonsevere and severe forms of COPD-PH. In conclusion, iloprost improved pulmonary hemodynamics without detrimental effects on arterial oxygenation in patients with COPD-PH, even in those with severe PH. These findings suggest that the short-term use of iloprost in patients with COPD-PH is effective and well tolerated. PMID- 29200843 TI - Eosinophilic and non-eosinophilic COPD patients with chronic respiratory failure: neutrophil-to-lymphocyte ratio as an exacerbation marker. AB - Aim: Increased dyspnea, sputum volume, and purulence are subjective symptoms in COPD patients. To diagnose COPD exacerbations with chronic respiratory failure (CRF) and to assess the requirement for antibiotic treatment, physicians require more objective criteria. We aimed to investigate whether neutrophil-to-lymphocyte ratio (NLR) can be used as an infectious exacerbation marker in COPD patients with CRF. Patients and methods: This retrospective cross-sectional study was performed in the intensive care outpatient clinic of a tertiary training hospital between 2014 and 2015. Patients admitted with CRF due to COPD and who had complete blood count (CBC) results were enrolled. CBC results and C-reactive protein (CRP) levels were obtained from the hospital online database. The "modified exacerbation model (MEM)" was defined as follows: exacerbation A, leukocytes >=12,000/mm3, CRP >10 mg/dL; exacerbation B, leukocytes >=10,000/mm3, CRP >10 mg/dL; exacerbation C, leukocytes >=10,000/mm3, CRP >8 mg/dL; exacerbation D, leukocytes >=10,000/mm3, CRP >5 mg/dL. The cutoff value of NLR was defined for each model. Patients were split into two groups based on the NLR cutoff value according to the "NLR exacerbation model" and further subgrouped according to peripheral eosinophil percentage (eosinophils >=2% and <2%) and compared with the MEM. Results: A total of 1,066 COPD patients (430 females, 40.3%), with a mean age of 66+/-13 years, were included. A NLR cutoff value of 3.54 (NLR >=3.54, n=366, 34%) showed the highest sensitivity and specificity for model A (78%, 69%), model B (63%, 71%), model C (61%, 72%), and model D (58%, 72%). Peripheral eosinophilia (PE >=2%) was present in 48 patients (4.5%). The ratio of patients with PE <2% in the NLR >=3.54 group was significantly higher in the MEM (P<0.001). Conclusion: The NLR presents an attractive option as an exacerbation marker in COPD patients with CRF due to its simplicity and cost effectiveness. In COPD patients with CRF, where the NLR is >=3.54, PE levels are <2%, and subjective symptoms are present, antibiotic treatment should be considered. PMID- 29200844 TI - Down-top nanofabrication of binary (CdO)x (ZnO)1-x nanoparticles and their antibacterial activity. AB - In the present study, binary oxide (cadmium oxide [CdO])x (zinc oxide [ZnO])1-x nanoparticles (NPs) at different concentrations of precursor in calcination temperature were prepared using thermal treatment technique. Cadmium and zinc nitrates (source of cadmium and zinc) with polyvinylpyrrolidone (capping agent) have been used to prepare (CdO)x (ZnO)1-x NPs samples. The sample was characterized by X-ray diffraction (XRD), scanning electron microscopy, energy dispersive X-ray (EDX), transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) spectroscopy. XRD patterns analysis revealed that NPs were formed after calcination, which showed a cubic and hexagonal crystalline structure of (CdO)x (ZnO)1-x NPs. The phase analysis using EDX spectroscopy and FTIR spectroscopy confirmed the presence of Cd and Zn as the original compounds of prepared (CdO)x (ZnO)1-x NP samples. The average particle size of the samples increased from 14 to 33 nm as the concentration of precursor increased from x=0.20 to x=0.80, as observed by TEM results. The surface composition and valance state of the prepared product NPs were determined by X-ray photoelectron spectroscopy (XPS) analyses. Diffuse UV-visible reflectance spectra were used to determine the optical band gap through the Kubelka-Munk equation; the energy band gap was found to decrease for CdO from 2.92 to 2.82 eV and for ZnO from 3.22 to 3.11 eV with increasing x value. Additionally, photoluminescence (PL) spectra revealed that the intensity in PL increased with an increase in particle size. In addition, the antibacterial activity of binary oxide NP was carried out in vitro against Escherichia coli ATCC 25922 Gram (-ve), Salmonella choleraesuis ATCC 10708, and Bacillus subtilis UPMC 1175 Gram (+ve). This study indicated that the zone of inhibition of 21 mm has good antibacterial activity toward the Gram positive B. subtilis UPMC 1175. PMID- 29200845 TI - Solid lipid nanoparticles for thermoresponsive targeting: evidence from spectrophotometry, electrochemical, and cytotoxicity studies. AB - Thermoresponsive drug delivery systems are designed for the controlled and targeted release of therapeutic payload. These systems exploit hyperthermic temperatures (>39 degrees C), which may be applied by some external means or due to an encountered symptom in inflammatory diseases such as cancer and arthritis. The objective of this paper was to provide some solid evidence in support of the hypothesis that solid lipid nanoparticles (SLNs) can be used for thermoresponsive targeting by undergoing solid-liquid phase transition at their melting point (MP). Thermoresponsive lipid mixtures were prepared by mixing solid and liquid natural fatty acids, and their MP was measured by differential scanning calorimetry (DSC). SLNs (MP 39 degrees C) containing 5-fluorouracil (5-FU) were synthesized by hot melt encapsulation method, and were found to have spherical shape (transmission electron microscopy studies), desirable size (<200 nm), and enhanced physicochemical stability (Fourier transform infrared spectroscopy analysis). We observed a sustained release pattern (22%-34%) at 37 degrees C (5 hours). On the other hand, >90% drug was released at 39 degrees C after 5 hours, suggesting that the SLNs show thermoresponsive drug release, thus confirming our hypothesis. Drug release from SLNs at 39 degrees C was similar to oleic acid and linoleic acid nanoemulsions used in this study, which further confirmed that thermoresponsive drug release is due to solid-liquid phase transition. Next, a differential pulse voltammetry-based electrochemical chemical detection method was developed for quick and real-time analysis of 5-FU release, which also confirmed thermoresponsive drug release behavior of SLNs. Blank SLNs were found to be biocompatible with human gingival fibroblast cells, although 5-FU-loaded SLNs showed some cytotoxicity after 24 hours. 5-FU-loaded SLNs showed thermoresponsive cytotoxicity to breast cancer cells (MDA-MB-231) as cytotoxicity was higher at 39 degrees C (cell viability 72%-78%) compared to 37 degrees C (cell viability >90%) within 1 hour. In conclusion, this study presents SLNs as a safe, simple, and effective platform for thermoresponsive targeting. PMID- 29200846 TI - Improved resection and prolonged overall survival with PD-1-IRDye800CW fluorescence probe-guided surgery and PD-1 adjuvant immunotherapy in 4T1 mouse model. AB - An intraoperative technique to accurately identify microscopic tumor residuals could decrease the risk of positive surgical margins. Several lines of evidence support the expression and immunotherapeutic effect of PD-1 in breast cancer. Here, we sought to develop a fluorescence-labeled PD-1 probe for in vivo breast tumor imaging and image-guided surgery. The efficacy of PD-1 monoclonal antibody (PD-1 mAb) as adjuvant immunotherapy after surgery was also assessed. PD-1 IRDye800CW was developed and examined for its application in tumor imaging and image-guided tumor resection in an immunocompetent 4T1 mouse tumor model. Fluorescence molecular imaging was performed to monitor probe biodistribution and intraoperative imaging. Bioluminescence imaging was performed to monitor tumor growth and evaluate postsurgical tumor residuals, recurrences, and metastases. The PD-1-IRDye800CW exhibited a specific signal at the tumor region compared with the IgG control. Furthermore, PD-1-IRDye800CW-guided surgery combined with PD-1 adjuvant immunotherapy inhibited tumor regrowth and microtumor metastases and thus improved survival rate. Our study demonstrates the feasibility of using PD-1 IRDye800CW for breast tumor imaging and image-guided tumor resection. Moreover, PD-1 mAb adjuvant immunotherapy reduces cancer recurrences and metastases emanating from tumor residuals. PMID- 29200847 TI - mPEG-PLA/TPGS mixed micelles via intranasal administration improved the bioavailability of lamotrigine in the hippocampus. AB - Purpose: This study aimed to develop a novel methoxy poly(ethylene glycol) poly(lactide) (mPEG-PLA)/D-alpha-tocopherol polyethylene glycol 1000 succinate (TPGS) mixed micelle drug delivery system to improve lamotrigine (LTG) distribution in the hippocampus. Methods: LTG-loaded mPEG-PLA/TPGS mixed micelles and LTG-loaded mPEG-PLA micelles were formulated, and their characteristics, particle size, surface morphology, and release behavior in vitro were researched. Then, a microdialysis sampling technique coupled with two validated chromatographic systems was developed for the continuous measurement of the protein-unbound form of LTG in the rat plasma and hippocampus after administering two kinds of micelles and LTG solution intranasally. Results: The drug loading and mean size of LTG-loaded micelles and LTG-loaded mixed micelles prepared with optimal formulation were 36.44%+/-0.14%, 39.28%+/-0.26%, 122.9, and 183.5 nm, respectively, with a core-shell structure. The cumulative release rate in vivo of LTG-loaded mixed micelles was 84.21% at 24 hours and showed more sustained release while that of LTG-loaded micelles was 80.61% at 6 hours. The Tmax and area under concentration-time curve from zero to time of last quantifiable concentration of LTG solution, LTG-loaded micelles, and LTG-loaded mixed micelles were 55, 35, and 15 minutes and about 5,384, 16,500, and 25,245 (min?MUg)/L in the hippocampus, respectively. Conclusion: The results revealed that LTG-loaded mPEG-PLA/TPGS mixed micelles enhanced the absorption of LTG at the nasal cavity and reduced the efflux of LTG in the brain, suggesting that the function of TPGS inhibited P-glycoprotein and LTG-loaded mPEG-PLA/TPGS mixed micelles had the potential to overcome refractory epilepsy. PMID- 29200849 TI - Erratum: Delivery of curcumin by directed self-assembled micelles enhances therapeutic treatment of non-small-cell lung cancer [Corrigendum]. AB - [This corrects the article on p. 2621 in vol. 12, PMID: 28435247.]. PMID- 29200848 TI - Encapsulation of Piper cabralanum (Piperaceae) nonpolar extract in poly(methyl methacrylate) by miniemulsion and evaluation of increase in the effectiveness of antileukemic activity in K562 cells. AB - This study aimed to synthesize and characterize nanoparticles (NPs) of poly(methyl methacrylate) (PMMA) and evaluate their ability to incorporate plant extracts with antitumor activity and low dissolution in aqueous media. The extract used was n-hexane partition of the methanol extract of Piper cabralanum (PCA-HEX). PMMA NPs were obtained using the mini-emulsion method, which was able to encapsulate almost 100% of PCA-HEX. The synthesized polymeric particles presented with a size of 200 nm and a negative charge. Cytotoxicity tests by MTT and trypan blue assays showed that NPs without PCA-HEX did not kill leukemic cells (K562 cells). NPs containing PCA-HEX were able to enhance cell death when compared to pure extract. The results showed that PMMA NPs could be useful as a drug delivery system as they can enhance the antitumor activity of the PCA-HEX extract by more than 20-fold. PMMA NPs containing plant extracts with antitumor activities may be an alternative to control the evolution of diseases such as leukemia. PMID- 29200850 TI - Enhanced efficacy of sublingual immunotherapy by liposome-mediated delivery of allergen. AB - Immunotherapy by sublingual administration of allergens provides high patient compliance and has emerged as an alternative to subcutaneous immunotherapy for the treatment of IgE-associated allergic diseases. However, sublingual immunotherapy (SLIT) can cause adverse events. Development of allergen delivery systems enabling more efficient delivery and hence lower allergen load might reduce the adverse events. In the present study, we have investigated neutral and cationic liposomes as delivery systems of ovalbumin (OVA), as a model allergen, in an OVA-induced allergic airway inflammation model. We investigated the liposome carriers' ability to improve tolerance induction of antigens compared to the corresponding dose of free OVA. Mice were treated sublingually over 2 weeks with free or liposome encapsulated OVA followed by intraperitoneal injections and intranasal challenge. Mice sublingually treated with OVA-liposomes showed a significant reduction of airway eosinophilia and splenocyte proliferation in comparison to free OVA. A similar nonsignificant pattern was seen for OVA specific IgE antibodies. In addition, reduced levels of interferon-gamma and interleukin-5 were observed in spleen cell culture supernatants from OVA-liposome treated mice compared to the sham-treated group. In conclusion, in vivo efficacy data showed that prophylactic SLIT with OVA-liposomes is significantly more effective in preventing allergic inflammation than the corresponding dose of free OVA. PMID- 29200851 TI - Magnetic hydroxyapatite: a promising multifunctional platform for nanomedicine application. AB - In this review, specific attention is paid to the development of nanostructured magnetic hydroxyapatite (MHAp) and its potential application in controlled drug/gene delivery, tissue engineering, magnetic hyperthermia treatment, and the development of contrast agents for magnetic resonance imaging. Both magnetite and hydroxyapatite materials have excellent prospects in nanomedicine with multifunctional therapeutic approaches. To date, many research articles have focused on biomedical applications of nanomaterials because of which it is very difficult to focus on any particular type of nanomaterial. This study is possibly the first effort to emphasize on the comprehensive assessment of MHAp nanostructures for biomedical applications supported with very recent experimental studies. From basic concepts to the real-life applications, the relevant characteristics of magnetic biomaterials are patented which are briefly discussed. The potential therapeutic and diagnostic ability of MHAp nanostructured materials make them an ideal platform for future nanomedicine. We hope that this advanced review will provide a better understanding of MHAp and its important features to utilize it as a promising material for multifunctional biomedical applications. PMID- 29200852 TI - Natural material-decorated mesoporous silica nanoparticle container for multifunctional membrane-controlled targeted drug delivery. AB - To avoid the side effects caused by nonspecific targeting, premature release, weak selectivity, and poor therapeutic efficacy of current nanoparticle-based systems used for drug delivery, we fabricated natural material-decorated nanoparticles as a multifunctional, membrane-controlled targeted drug delivery system. The nanocomposite material coated with a membrane was biocompatible and integrated both specific tumor targeting and responsiveness to stimulation, which improved transmission efficacy and controlled drug release. Mesoporous silica nanoparticles (MSNs), which are known for their biocompatibility and high drug loading capacity, were selected as a model drug container and carrier. The membrane was established by the polyelectrolyte composite method from chitosan (CS) which was sensitive to the acidic tumor microenvironment, folic acid modified CS which recognizes the folate receptor expressed on the tumor cell surface, and a CD44 receptor-targeted polysaccharide hyaluronic acid. We characterized the structure of the nanocomposite as well as the drug release behavior under the control of the pH-sensitive membrane switch and evaluated the antitumor efficacy of the system in vitro. Our results provide a basis for the design and fabrication of novel membrane-controlled nanoparticles with improved tumor-targeting therapy. PMID- 29200853 TI - Development and in vitro evaluations of new decitabine nanocarriers for the treatment of acute myeloid leukemia. AB - Decitabine is a hydrophilic drug that acts by hypomethylating DNA. Decitabine is used in Europe for the treatment of acute myeloid leukemia (AML) in patients aged >=65 years. However, it can only be administered intravenously due to very low oral bioavailability and a large distribution volume. Oral administration would allow outpatient treatment, improving quality of life and reducing treatment costs. The present study proposes to develop lipid nanocapsules (LNCs), originally designed for lipophilic drugs, to encapsulate decitabine. Two different formulations of LNCs were designed: LNCs based on a high proportion of Transcutol(r) HP (THP-LNCs) and LNCs associated with a mixture of Transcutol(r) HP and Tween(r) 80 (THP-T80-LNCs). The second formulation had a diameter of 26.5+/-0.5 nm, high encapsulation efficiency (>85%), and a drug payload of 472+/ 64 ug/mL. Decitabine-loaded THP-T80-LNC cytotoxicity was evaluated on two AML cell lines depending on their decitabine resistance: HEL (not resistant) and HL 60 (resistant). The permeability of decitabine-loaded THP-T80-LNCs was also evaluated on Caco-2 cell monolayers. Decitabine cytotoxicity against HEL and HL 60 was higher when decitabine was loaded in THP-T80-LNCs than when free. Apparent permeability on Caco-2 cell monolayers was also increased, suggesting a potentially useful formulation to increase the oral bioavailability of decitabine. PMID- 29200854 TI - Oligosaccharide nanomedicine of alginate sodium improves therapeutic results of posterior lumbar interbody fusion with cages for degenerative lumbar disease in osteoporosis patients by downregulating serum miR-155. AB - Degenerative lumbar disease (DLD) is a significant issue for public health. Posterior lumbar intervertebral fusion with cages (PLIFC) has high-level fusion rate and realignment on DLD. However, there are some complications following the surgery. Alginate oligosaccharides (AOS) have antioxidant and anti-inflammatory activities and may be suitable for infection therapy. MiR-155 is a biomarker associated with inflammatory and oxidative stress. AOS may promote PLIFC therapy by regulating miR-155. Pluronic nanoparticles and oligosaccharide nanomedicine of alginate sodium (ONAS) were prepared with ampicillin at size <200 nm. Ninety-six DLD osteoporosis patients received PLIFC and were evenly assigned into ONAS group (OG, oral administration of 100 mg ONAS daily) and control group (PG, 100 mg pluronic nanoparticles). Serum miR-155 level was measured by real-time quantitative PCR. The levels of superoxide dismutase (SOD), glutathione (GSH), aspartate aminotransaminase (AST), alanine aminotransferase (ALT), interleukin 1beta (IL-1beta), and interleukin-1 receptor antagonist (IL-1ra) were measured. Weighted mean difference (WMD), relative risk (RR), complications, surgery infection rate, fusion rate, and Japanese Orthopaedic Association (JOA) scores were used to evaluate therapeutic efficacy. After 1-month therapy, infection rates and side effects were lower in OG than those in PG (RR =0.64, 95% confidence interval [CI] [0.48, 0.84], P=0.001). The fusion rates were higher in OG than in PG (WMD =21.96, 95% CI [-0.24, 37.62], P=0.021). The JOA scores were higher in OG than in PG (RR =0.52, 95% CI [0.33, 0.84], P=0.007), and no significant difference was found for the visual analog scale and Oswestry Disability Index. Serum levels of miR-155, ALT, AST, and IL-1beta were lower while SOD, GSH, and IL-1ra were higher in OG than in PG. MiR-155 mimic increased the levels of ALT, AST, and IL-1beta and reduced the levels of SOD, GSH, and IL 1ra. In contrast, miR-155 inhibitor had reverse results. Therefore, ONAS has better improvement in complications and therapeutic effects on DLD by regulating serum miR-155. PMID- 29200855 TI - Vascular thrombus imaging in vivo via near-infrared fluorescent nanodiamond particles bioengineered with the disintegrin bitistatin (Part II). AB - The aim of this feasibility study was to test the ability of fluorescent nanodiamond particles (F-NDP) covalently conjugated with bitistatin (F-NDP-Bit) to detect vascular blood clots in vivo using extracorporeal near-infrared (NIR) imaging. Specifically, we compared NIR fluorescence properties of F-NDP with N-V (F-NDPNV) and N-V-N color centers and sizes (100-10,000 nm). Optimal NIR fluorescence and tissue penetration across biological tissues (rat skin, porcine axillary veins, and skin) was obtained for F-NDPNV with a mean diameter of 700 nm. Intravital imaging (using in vivo imaging system [IVIS]) in vitro revealed that F-NDPNV-loaded glass capillaries could be detected across 6 mm of rat red muscle barrier and 12 mm of porcine skin, which equals the average vertical distance of a human carotid artery bifurcation from the surface of the adjacent skin (14 mm). In vivo, feasibility was demonstrated in a rat model of occlusive blood clots generated using FeCl3 in the carotid artery bifurcation. Following systemic infusions of F-NDPNV-Bit (3 or 15 mg/kg) via the external carotid artery or femoral vein (N=3), presence of the particles in the thrombi was confirmed both in situ via IVIS, and ex vivo via confocal imaging. The presence of F-NDPNV in the vascular clots was further confirmed by direct counting of fluorescent particles extracted from clots following tissue solubilization. Our data suggest that F-NDPNV-Bit associate with vascular blood clots, presumably by binding of F NDPNV-Bit to activated platelets within the blood clot. We posit that F-NDPNV-Bit could serve as a noninvasive platform for identification of vascular thrombi using NIR energy monitored by an extracorporeal device. PMID- 29200856 TI - Altered microstructure of brain white matter in females with anorexia nervosa: a diffusion tensor imaging study. AB - Objective: Structural studies have reported anorexia nervosa (AN) patients with abnormal gray matter in several brain regions and dysfunction in some connected neural circuits. However, the role of white matter (WM) in AN patients has rarely been investigated. The present study aimed to assess alterations in WM microstructure of the entire brain in females with AN using a voxel-based method on diffusion tensor imaging (DTI) data. Materials and methods: The study enrolled 8 female patients with AN and 14 age-matched females as controls (CW). The DTI data was collected from each subject to calculate the fractional anisotropy (FA) maps of the whole brain by the DTI-Studio software. Subsequently, a 2-sample t test (P<0.05, corrected) was performed to detect the difference in FA maps of AN and CW group, and a Pearson's correlation analyzed the relationship between mean FA value of brain regions and body mass index (BMI). Results: Compared with CW, AN patients revealed a significant decrease in FA maps in the left superior frontal gyrus, medial frontal gyrus, anterior cingulate cortex, middle frontal gyrus, inferior frontal gyrus, thalamus, and bilateral insula. Moreover, significantly positive correlations were established between the mean FA value of the left inferior frontal gyrus, insula as well as thalamus and BMI in AN patients. Conclusions: Our findings supported the presence of WM abnormality in patients with AN. The significant differences of FA maps, in patients with AN, were associated with their aberrant BMI. The results further improved our understanding of the pathophysiological mechanisms underlying AN. PMID- 29200857 TI - Reversal of olanzapine-induced weight gain in a patient with schizophrenia by switching to asenapine: a case report. AB - Aims: Antipsychotics are effective for treating schizophrenia, but atypical antipsychotics can cause several adverse side effects including weight gain, hyperprolactinemia, and extrapyramidal symptoms. Moreover, weight gain increases the risk of metabolic diseases. Methods: We treated a case of olanzapine-induced weight gain in a 41-year-old man with schizophrenia by switching his medication from olanzapine to asenapine. Results: The weight gain improved after switching the medication, from 80.3 to 75.0 kg, a weight loss of 6.6%, and there was no significant worsening of psychological symptoms or other adverse effects. Conclusions: Asenapine might be effective for treating patients with schizophrenia who experience olanzapine-induced weight gain. PMID- 29200858 TI - Group cognitive-behavioral therapy in insomnia: a cross-sectional case-controlled study. AB - Background: Group cognitive-behavioral therapy (GCBT) might meet the considerable treatment demand of insomnia, but its effectiveness needs to be addressed. Participants: This study recruited 27 insomnia patients treated with 16-weeks of zolpidem (zolpidem group), 26 patients treated with 4-weeks of zolpidem and also treated with 12-weeks of GCBT (GCBT group), and 31 healthy control volunteers. Methods: Before treatment and 16 weeks after intervention, participants were evaluated using the Patient Health Questionnaires (Patient Health Questionnaire-9 [PHQ-9] and Patient Health Questionnaire-15 [PHQ-15]), the Dysfunctional Beliefs and Attitudes about Sleep-16 (DBAS-16), and the Pittsburgh Sleep Quality Index (PSQI). Results: Compared to the zolpidem and healthy control groups, the scale scores of PHQ-9, PHQ-15, DBAS-16 and PSQI were significantly reduced after intervention in the GCBT group. Regarding the score changes, there were correlations between PSQI, DBAS-16, PHQ-9, and PHQ-15 scales in the zolpidem group, but there were limited correlations between PSQI and some DBAS-16 scales in the GCBT group. Conclusion: Our results indicate that GCBT is effective to treat insomnia by improving sleep quality and reducing emotional and somatic disturbances; thus, the study supports the advocacy of applying group psychotherapy to the disorder. PMID- 29200859 TI - Abnormal regional spontaneous neural activity in visual pathway in retinal detachment patients: a resting-state functional MRI study. AB - Objective: The aim of the study was to investigate changes of brain neural homogeneity in retinal detachment (RD) patients using the regional homogeneity (ReHo) method to understand their relationships with clinical features. Materials and methods: A total of 30 patients with RD (16 men and 14 women), and 30 healthy controls (HCs) (16 men and 14 women) closely matched in age and sex were recruited. Resting-state functional magnetic resonance imaging scans were performed for all subjects. The ReHo method was used to investigate the brain regional neural homogeneity. Patients with RD were distinguished from HCs by receiver operating characteristic curve. The relationships between the mean ReHo signal values in many brain regions and clinical features in RD patients were calculated by Pearson correlation analysis. Results: Compared with HCs, RD patients had significantly decreased ReHo values in the right occipital lobe, right superior temporal gyrus, bilateral cuneus and left middle frontal gyrus. Moreover, we found that the mean ReHo signal of the bilateral cuneus showed positive relationships with the duration of the RD (r=0.392, P=0.032). Conclusion: The RD patients showed brain neural homogeneity dysfunction in the visual pathway, which may underline the pathological mechanism of RD patients with acute vision loss. Besides, the ReHo values can reflect the progress of the RD disease. PMID- 29200860 TI - No association between dopamine D3 receptor gene Ser9Gly polymorphism (rs6280) and risk of schizophrenia: an updated meta-analysis. AB - Objective: Ser9Gly (rs6280) is a functional single-nucleotide polymorphism (SNP) in the dopamine receptor D3 (DRD3) gene that may be associated with schizophrenia. We performed a meta-analysis to determine whether Ser9Gly influences the risk of schizophrenia and examined the relationship between the Ser9Gly SNP and the etiology of schizophrenia. Methods: Case-control studies were retrieved from literature databases in accordance with established inclusion criteria. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to evaluate the strength of the association between Ser9Gly and schizophrenia. Subgroup analysis and sensitivity analysis were also performed. Results: Seventy three studies comprising 10,634 patients with schizophrenia (cases) and 11,258 controls were included in this meta-analysis. Summary results indicated no association between Ser9Gly and risk of schizophrenia. In the dominant genetic model, the pooled OR using a random effects model was 0.950 (95% CI, 0.847-1.064; P=0.374). Conclusion: Results of this meta-analysis suggest that the Ser9Gly SNP is not associated with schizophrenia. These data provide possible avenues for future case-control studies related to schizophrenia. PMID- 29200861 TI - Statin therapy for preventing cardiovascular diseases in patients treated with tacrolimus after kidney transplantation. AB - Background: Lipid abnormalities are prevalent in tacrolimus-treated patients. The aim of the study was to evaluate the preventive effects of statin therapy on major adverse cardiovascular events (MACE) in patients treated with tacrolimus based immunosuppression after kidney transplantation (KT), and to identify the risk factors. Methods: This observational cohort study included adult patients who underwent KT and were treated with tacrolimus. Patients who received any lipid-lowering agents except statins, or had a history of immunosuppressant use before transplantation were excluded. The primary outcome was the adjusted risk of the first occurrence of MACE. The secondary outcomes included the risk of individual cardiovascular disease (CVD) and changes in cholesterol level. Subgroup analyses were performed in the statin-user group according to the dosage and/or type of statin. Results: Compared with the control group (n=73), the statin-users (n=92) had a significantly reduced risk of MACE (adjusted HR, 0.31; 95% CI, 0.13-0.74). In the Cox regression analysis, old age, history of CVD, and comorbid hypertension were identified as independent factors associated with increased MACE. The total cholesterol levels were not significantly different between the two groups. Subjects with higher cumulative defined daily dose of statins had significantly lower risks of MACE. Conclusion: Statin therapy in patients treated with tacrolimus after KT significantly lowered the risk of MACE. Long-term statin therapy is clearly indicated in older kidney transplant recipients for secondary prevention. PMID- 29200862 TI - Association between serum cystatin C and bone mineral density in Korean adults. AB - Background: Serum cystatin C has been known as a novel marker of preclinical renal dysfunction, and higher cystatin C levels are associated with increased risks of hip and nonvertebral fractures. However, there are few reports on the association between serum cystatin C and bone mineral density (BMD), especially in the Asian population. We evaluated the association between cystatin C levels and BMD of the spine and hip in Korean adults. Methods: A cross-sectional study was performed in 865 Korean adults (325 men and 540 women) who participated in a comprehensive medical examination program and underwent bone densitometry. Renal function was assessed by the estimated glomerular filtration rate (eGFR), which was calculated using an equation based on creatinine (eGFRcre) and cystatin C (eGFRcys). Results: The serum cystatin C level was negatively correlated with different types of BMD, including the lowest lumbar, total lumbar, femoral neck, and total femur BMD, in women, but not in men. Higher cystatin C levels were associated with a higher prevalence of osteoporosis in women (odds ratio [OR], 3.68; 95% confidence interval [CI], 1.69-8.03; P=0.001), but not in men (OR, 0.85; 95% CI, 0.30-2.38; P=0.761). However, this association was attenuated in the multivariable model adjusted for age, body mass index, serum 25 hydroxyvitamin D3, and creatinine (OR, 1.01; 95% CI, 0.38-2.71) in women. In addition, the eGFRcys showed a stronger positive correlation with BMD than the eGFRcre. Conclusion: Our findings suggest that serum cystatin C levels might help identify women with osteoporosis who are susceptible to fractures. PMID- 29200863 TI - Endothelial dysfunction assessment by flow-mediated dilation in a high-altitude population. AB - Introduction: Endothelial function at high altitude has been measured only in populations that are genetically adapted to chronic hypoxia. The objective of this study was to evaluate endothelial dysfunction (ED) in a nongenetically adapted high-altitude population of the Andes mountains, in Huancayo, Peru (3,250 meters above sea level). Methods: Participants included 61 patients: 28 cases and 33 controls. The cases were subjects with hypertension, diabetes mellitus, obesity, or a history of stroke or coronary artery disease. Flow-mediated vasodilation (FMD) of the brachial artery was measured in the supine position, at noon, after 5 minutes of resting. The brachial artery was identified above the elbow. Its basal diameter was measured during diastole, and FMD was tested after 5 minutes of forearm ischemia. Intima-media complex in the right carotid artery was also determined. An increase in the artery's baseline diameter <10% indicated a positive test. Endothelium-independent vasodilation was evaluated with sublingual nitrate administration. The intima-media complex in the right carotid artery was also measured. Results: 100% of diabetics had ED; ED was also found in 68.8% of obese individuals, 55% of hypertensive patients, and 46.5% of controls. Age, height, body mass index, and waist diameter were higher in the cases as compared with the controls. A total of 57.9% (n=11) of the cases and 45.2% (n=19) of the controls presented ED. Patients without ED had a mean increase in brachial artery diameter of 23.16%, while in those with ED it was only 3.84%. Individuals with diabetes or hypertension had a greater thickness of the carotid artery intima media layer (1.092 versus 0.664 cm) (p=0.037). A positive test for ED was associated with a greater basal diameter of the brachial artery (4.66+/-0.62 versus 4.23+/-0.59 cm) (p=0.02). A total of 7 patients presented paradoxical response, developing posthyperemia vasoconstriction. Discussion: The proportion of ED was high among controls and among patients with risk factors. Controls showed better FMD profiles than subjects studied in Tibet and the Himalayas. PMID- 29200864 TI - Efficacy of noninvasive cardiac imaging tests in diagnosis and management of stable coronary artery disease. AB - The aim of this review was to discuss the current literature regarding the utility of noninvasive imaging in diagnosis and management of stable coronary artery disease (CAD) including recent data from large randomized trials assessing diagnosis and prognosis. Current guidelines recommend revascularization in patients with refractory angina and in those with potential prognostic benefit. Appropriate risk stratification through noninvasive assessment is important in ensuring patients are not exposed to unnecessary invasive coronary angiograms. The past 20 years have seen an unprecedented expansion in noninvasive imaging modalities for the assessment of stable CAD, with cardiovascular magnetic resonance and computed tomography complementing established techniques such as myocardial perfusion imaging, echocardiography and exercise electrocardiogram. In this review, we examine the current state-of-the-art in noninvasive imaging to provide an up-to-date analysis of current investigation and management options. PMID- 29200865 TI - Medicines Regulation in Africa: Current State and Opportunities. AB - Sound regulatory systems are critical for protecting public health against use of medical products which do not meet international standards of quality, safety and efficacy. This review provides a summary of the current status of National Medicines Regulatory Authorities (NMRAs) in Africa, and various initiatives that have been established to improve their performance. All countries in Africa (except Sahrawi Republic), have NMRAs but their organizational set-up and functionality is variable. Some are located within Ministries of Health and others are semi-autonomous. There is progressive improvement in regulatory capacity, particularly in quality control and post-marketing surveillance, pharmacovigilance and clinical trials oversight. The African Vaccines Regulatory Forum, African Medicines Regulatory Harmonization Initiative, Network of Official Medicines Control Laboratories and WHO Prequalification Scheme have helped countries strengthen their regulatory capacities. The potential establishment of the African Medicines Agency (AMA) in 2018 is an opportunity to improve NMRAs' capacity in Africa. PMID- 29200868 TI - Prognostic and clinicopathological significance of ubiquitin-specific protease 22 overexpression in cancers: evidence from a meta-analysis. AB - Purpose: This meta-analysis study aimed to reveal the prognostic relevance of ubiquitin-specific protease 22 (USP22) expression in patients with cancers. Methods: PubMed, Embase, and the Cochrane Library electronic databases were searched for relevant studies published up to April 2017. The prognostic value of USP22 expression was evaluated by hazard ratio with 95% confidence intervals (CIs). Relative risk (RR) with 95% CIs assessed the effects of USP22 expression on clinicopathological parameters. A total of 16 studies of 2,233 Chinese patients were included in the final meta-analysis. Results: A significant association was found between USP22 overexpression and survival in patients with cancers. The pooled RR indicated that USP22 overexpression was related to histological grade, advanced tumor-node-metastasis stage, positive lymph node metastasis, and distant metastasis. Conclusion: This meta-analysis demonstrated that USP22 could be a novel biomarker for predicting prognosis in patients with cancers in the Chinese population. PMID- 29200867 TI - The relationship between IGF2BP2 and PPARG polymorphisms and susceptibility to esophageal squamous-cell carcinomas in the eastern Chinese Han population. AB - The aim of this case-control study was to assess whether PPARG and IGF2BP2 polymorphisms confer susceptibility to esophageal squamous-cell carcinoma (ESCC). A total of 507 patients pathologically confirmed for ESCC and 1,496 age-, sex-, and residence-matched healthy individuals were enrolled. The PPARG rs1801282 C>G and rs3856806 C>T and IGF2BP2 rs1470579 A>C and rs4402960 G>T polymorphisms were selected and genotyped by SNPscan genotyping assays. Multivariable logistic analysis suggested that the PPARG rs3856806 C>T polymorphism might increase the risk of ESCC. In different stratified analyses, there were significant associations between PPARG rs3856806 C>T and risk of ESCC in female, never smoking, drinking, and never-drinking subgroups. In addition, we also found that PPARG rs1801282 C>G increased ESCC risk in the never-smoking subgroup. There was significant difference in Crs1470579Grs4402960Crs1801282Crs3856806-haplotype distribution among ESCC cases and control subjects. In conclusion, our findings highlight that PPARG rs1801282 C>G and rs3856806 C>T polymorphisms are candidates for susceptibility to ESCC in the eastern Chinese Han population. The Crs1470579Grs4402960Crs1801282Crs3856806 haplotype is associated with susceptibility to ESCC. PMID- 29200869 TI - Preoperative prognostic nutritional index and nomogram predicting recurrence-free survival in patients with primary non-muscle-invasive bladder cancer without carcinoma in situ. AB - Background and objectives: Among the cancers of the urogenital system, bladder cancer is ranked second both in incidence and mortality, and hence, a more accurate estimate of the prognosis for individual patients with non-muscle invasive bladder cancer (NMIBC) is urgently needed. Prognostic nutritional index (PNI) which is based on serum albumin levels and peripheral lymphocyte count has been confirmed to have prognostic value in various cancers. The aim of this study was to clarify the prognostic value of PNI in patients with NMIBC. Methods: Data of 329 patients with NMIBC were evaluated retrospectively. Recurrence-free survival (RFS) was assessed using the Kaplan-Meier method, and the equivalences of survival curves were tested by log-rank tests. The univariate and multivariate analyses were performed using the Cox proportional hazards regression model. Discrimination of the nomogram was measured by the concordance index. A p-value of <0.05 was considered statistically significant. Results: In univariate analysis, age, tumor focality, tumor size, tumor grade, pathological T stage and preoperative PNI were significantly associated with RFS. Multivariate analysis identified PNI as an independent predictor of RFS in patients with NMIBC. According to these independent predictors, a nomogram for the prediction of recurrence was developed. Conclusion: PNI can be regarded as an independent prognostic factor for predicting RFS in NMIBC. The nomogram could be useful to improve personalized therapy for patients with NMIBC. PMID- 29200870 TI - Identification of hub miRNA biomarkers for bladder cancer by weighted gene coexpression network analysis. AB - Bladder cancer (BC) is a common urinary system tumor with high aggressiveness, and it results in relatively high mortality due to a lack of precise and suitable biomarkers. In this study, we applied the weighted gene coexpression network analysis method to miRNA expression data from BC patients, and screened for network modules associated with BC progression. Hub miRNAs were selected, followed by functional enrichment analyses of their target genes for the most closely related module. These hub miRNAs were found to be involved in several functional pathways including pathway in cancer, regulation of actin cytoskeleton, PI3K-Akt signaling pathway, mitogen-activated protein kinase (MAPK) signaling pathway, Wnt signaling pathway, proteoglycans in cancer, focal adhesion and p53 signaling pathway via regulating target genes. Finally, their prognostic significance was tested using analyses of overall survival. A few novel prognostic miRNAs were identified based on expression profiles and related survival data. In conclusion, several miRNAs that were critical in BC initiation and progression have been identified in this study. These miRNAs, which may contribute to a comprehensive understanding of the pathogenesis of BC, could serve as potential biomarkers for BC prognosis or as new therapeutic targets. PMID- 29200872 TI - Lymphocyte-to-monocyte ratio before chemoradiotherapy represents a prognostic predictor for locally advanced rectal cancer. AB - Research indicates that cancer-triggered inflammation plays a pivotal role in carcinogenesis. Here, we aimed to evaluate the correlation of lymphocyte-to monocyte ratio (LMR) before neoadjuvant chemoradiotherapy (CRT) with clinical outcomes in patients with locally advanced rectal cancer (LARC). We retrospectively enrolled 317 consecutive patients with LARC between 2004 and 2013. The optimal cutoff values of LMR were determined using receiver operating curve analysis. Overall survival (OS) and disease-free survival related to the LMR were analyzed using the log-rank test and multivariate Cox regression methods. We found that a low LMR (<=4.91) was prominently correlated with worse prognostic features and a shorter 3-year survival rate of LARC. Moreover, multivariate Cox analysis revealed that elevated LMR was an independent factor for better OS (hazard ratio 0.538, 95% confidence interval 0.292-0.991, P=0.047). In addition, univariate logistic regression analysis showed that the LMR was not associated with tumor pathologic regression. In conclusion, LMR is identified as a valuable prognostic marker for predicting the OS of LARC patients receiving CRT. PMID- 29200871 TI - The clinical significance of CXCL5 in non-small cell lung cancer. AB - As a CXC-type chemokine, ENA78/CXCL5 is an important attractant for granulocytes by binding to its receptor CXCR2. Recent studies proved that CXCL5/CXCR2 axis plays an oncogenic role in many human cancers. However, the exact clinical significance of CXCL5 in lung cancer has not been well defined. Here, we found that the serum protein expression of CXCL5 was significantly increased in non small cell lung cancer (NSCLC) compared with that in healthy volunteers. Immunohistochemistry staining revealed that CXCL5 protein was higher in various lung cancer tissues compared with normal tissues. Moreover, CXCL5 expression correlated with histological grade, tumor size, and TNM stage in NSCLC. Elevated CXCL5 protein abundance predicted poor overall survival in adenocarcinoma patients. Further meta-analysis demonstrated that CXCL5 mRNA expression was also positively associated with tumor stage, lymph node metastasis, and worse survival. Kaplan-Meier plot analyses indicated high CXCL5 was associated with short overall survival and progression-free survival. Together, these results indicated that CXCL5 may be a potential biomarker for NSCLC. PMID- 29200873 TI - Clinical application of carbon nanoparticles in curative resection for colorectal carcinoma. AB - Purpose: To explore the potential of carbon nanoparticles (CNs) for the intraoperative detection of positive and negative lymph nodes in the treatment of colorectal cancer. Patients and methods: The clinical data of 470 patients undergoing surgical procedures for colorectal cancer from June 2010 to February 2013 were analyzed retrospectively. The patients were divided into the CN group (183 males and 161 females; mean age, 58.6+/-12.4 years), who were given a CN suspension, and the control group (78 males and 48 females; mean age, 59.1+/-12.2 years), who were not given a CN suspension. The operative time, blood loss, number of lymph nodes detected/positive lymph nodes, and prevalence of postoperative complications were compared between the two groups. Three years after surgery, 444 cases (327 cases in the CN group and 117 cases in the control group) were interviewed, with the remaining 26 cases lost to follow-up. With regard to tumor, node, metastasis staging, the survival and prevalence of recurrence in each group at 3 years were analyzed. Results: The number of positive lymph nodes was higher and the prevalence of blood loss was lower in the CN group than in the control group (p<0.05). There were no significant differences in the operative time, number of lymph nodes detected, or the prevalence of postoperative complications, survival, metastasis, or recurrence between the two groups at 3 years (p>0.05). Conclusion: The application of CNs is convenient for the detection of lymph nodes to reduce blood loss and increase the probability of detecting positive lymph nodes accurately and rapidly. PMID- 29200874 TI - Simultaneous overexpression of miR-126 and miR-34a induces a superior antitumor efficacy in pancreatic adenocarcinoma. AB - Background: Pancreatic adenocarcinoma (PAC) is one of the most fatal cancers due to its high degree of malignancy, increasing incidence, high mortality, and unsatisfactory treatment efficacy. Evidence has suggested that numerous microRNAs (miRNAs), including miR-126 and miR-34a, have potent tumor-suppressing effects on PAC, implicating a possible application of miRNA in tumor therapy. However, the therapeutic effect of a single miRNA on pancreatic cancer is limited. Methods: We simultaneously delivered miR-126 and miR-34a into PAC cells by a carcinoembryonic antigen promoter-driven oncolytic adenovirus (AdCEAp-miR126/34a), and examined the antitumor efficacy of the therapeutic system in in vitro and in vivo experiments. Results: In vitro cytological experiments found that the expression levels of miR-126 and miR-34a were specifically increased in the AdCEAp miR126/34a-infected PAC cells, and the antitumor efficacy was enhanced in aspects of cancer cell viability, migration, invasion, and apoptosis, by synergistically combining the antitumor effects of overexpressed miR-126 and miR-34a and the oncolytic effect of viral replication specifically in PAC cells. The expression levels of miR-126 target genes (vascular endothelial growth factor-A and SOX2) and miR-34a target genes (cyclin D1, E2F1, and Bcl-2) were markedly decreased in the PAC cells after being infected with AdCEAp-miR126/34a. Notable suppression of the therapeutic system on tumor growth was also proven in established PAC xenograft tumor models in nude mice, which demonstrated that the combination of miR-126 and miR-34a exerts more effective antitumor outcomes than a single miRNA. Conclusion: The therapeutic system co-expressing miR-126 and miR-34a mediated by oncolytic adenovirus is a promising system for PAC target therapy. PMID- 29200875 TI - RKIP reduction enhances radioresistance by activating the Shh signaling pathway in non-small-cell lung cancer. AB - Non-small-cell lung cancer (NSCLC) is exceptionally deadly because the tumors lack sensitive early-stage diagnostic biomarkers and are resistant to radiation and chemotherapy. Here, we investigated the role and mechanism of Raf kinase inhibitory protein (RKIP) in NSCLC radioresistance. The clinical data showed that the RKIP expression level was generally lower in radioresistant NSCLC tissues than in radiosensitive tissues. Reduced RKIP expression was related to NSCLC radioresistance and poor prognosis. In vitro experiments showed that RKIP knockdown increased radioresistance and metastatic ability in NSCLC cell lines. Mechanistically, RKIP reduction activated the Shh signaling pathway by derepressing Smoothened (Smo) and initiating glioma-associated oncogene-1 (Gli1) mediated transcription in NSCLC. In addition, the inappropriately activated Shh Gli1 signaling pathway then enhanced cancer stem cell (CSC) expression in the cell lines. The increasing quantity of CSCs in the tumor ultimately promotes the radiation resistance of NSCLC. Together, these results suggest that RKIP plays a vital role in radiation response and metastasis in NSCLC. RKIP reduction enhances radioresistance by activating the Shh signaling pathway and initiating functional CSCs. This role makes it a promising therapeutic target for improving the efficacy of NSCLC radiation treatment. PMID- 29200866 TI - The crossroads of breast cancer progression: insights into the modulation of major signaling pathways. AB - Cancer is the disease with highest public health impact in developed countries. Particularly, breast cancer has the highest incidence in women worldwide and the fifth highest mortality in the globe, imposing a significant social and economic burden to society. The disease has a complex heterogeneous etiology, being associated with several risk factors that range from lifestyle to age and family history. Breast cancer is usually classified according to the site of tumor occurrence and gene expression profiling. Although mutations in a few key genes, such as BRCA1 and BRCA2, are associated with high breast cancer risk, the large majority of breast cancer cases are related to mutated genes of low penetrance, which are frequently altered in the whole population. Therefore, understanding the molecular basis of breast cancer, including the several deregulated genes and related pathways linked to this pathology, is essential to ensure advances in early tumor detection and prevention. In this review, we outline key cellular pathways whose deregulation has been associated with breast cancer, leading to alterations in cell proliferation, apoptosis, and the delicate hormonal balance of breast tissue cells. Therefore, here we describe some potential breast cancer related nodes and signaling concepts linked to the disease, which can be positively translated into novel therapeutic approaches and predictive biomarkers. PMID- 29200876 TI - Effects of insulin analogs and glucagon-like peptide-1 receptor agonists on proliferation and cellular energy metabolism in papillary thyroid cancer. AB - Purpose: This study was aimed to investigate the expressions of the insulin receptor (IR), insulin-like growth factor receptor (IGF-1R), and glucagon-like peptide-1 receptor (GLP-1R) in normal thyroid tissue, papillary thyroid cancer (PTC) tissues, and PTC cells, and to examine the possible role of insulin analogs and GLP-1R agonists in cell proliferation and energy metabolism in PTC cells. Methods: The expressions of IR, IGF-1R, and GLP-1R in PTC tissues and PTC cell lines were detected by immunohistochemistry and western blotting, respectively. Cell proliferation was evaluated by the 3-(4,5-dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide assay. Levels of members of the phosphoinositol-3 kinase/AKT serine/threonine kinase (Akt) and mitogen-activated protein kinase/extracellular signal-regulated kinase (Erk) signaling pathways were measured by western blotting. Energy metabolism of PTC cell lines was analyzed using a Seahorse Extracellular Flux analyzer. Results: Three receptors could be detected in both PTC tissues and PTC cell lines. Expressions of IGF-1R and GLP-1R were more obvious in PTC than in normal thyroid cells. Neither insulin, four insulin analogs, and two GLP-1R agonists showed significant effects on the proliferation of PTC cells, nor did they influence the levels of Akt/p-Akt and Erk/p-Erk. None of these antidiabetic agents could change the mitochondrial respiration and glycolysis levels in PTC cell lines. Conclusion: Both PTC tissues and the PTC cell lines express IR, IGF-1R, and GLP-1R. However, insulin analogs and GLP-1R agonists, which are commonly used to treat patients with diabetes, may not influence cell proliferation, the phosphoinositol-3 kinase/Akt and mitogen activated protein kinase/Erk pathways, or energy metabolism in PTC cells. For now, it is not necessary to avoid use of these antidiabetic agents in patients with PTC. PMID- 29200877 TI - Microtubule-targeting agents can sensitize cancer cells to ionizing radiation by an interphase-based mechanism. AB - Background: The cytotoxic effects of microtubule-targeting agents (MTAs) are often attributed to targeted effects on mitotic cells. In clinical practice, MTAs are combined with DNA-damaging agents such as ionizing radiation (IR) with the rationale that mitotic cells are highly sensitive to DNA damage. In contrast, recent studies suggest that MTAs synergize with IR by interfering with the trafficking of DNA damage response (DDR) proteins during interphase. These studies, however, have yet to demonstrate the functional consequences of interfering with interphase microtubules in the presence of IR. To address this, we combined IR with an established MTA, mebendazole (MBZ), to treat glioma cells exclusively during interphase. Materials and methods: To test whether MTAs can sensitize interphase cells to IR, we treated GL261 and GBM14 glioma cells with MBZ during 3-9 hours post IR (when the mitotic index was 0%). Cell viability was measured using a WST-1 assay, and radiosensitization was quantified using the dose enhancement factor (DEF). The effect of MBZ on the DDR was studied via Western blot analysis of H2AX phosphorylation. To examine the effects of MTAs on intracellular transport of DDR proteins, Nbs1 and Chk2, cytoplasmic and nuclear fractionation studies were conducted following treatment of glioma cells with MBZ. Results: Treatment with MBZ sensitized interphase cells to the effects of IR, with a maximal DEF of 1.34 in GL261 cells and 1.69 in GBM14 cells. Treatment of interphase cells with MBZ led to more sustained gammaH2AX levels post IR, indicating a delay in the DDR. Exposure of glioma cells to MBZ resulted in a dose dependent sequestration of Chk2 and Nbs1 in the cytoplasm. Conclusion: This study demonstrates that MBZ can sensitize cancer cells to IR independently of the induction of mitotic arrest. In addition, evidence is provided supporting the hypothesis that MTA-induced radiosensitization is mediated by inhibiting DDR protein accumulation into the nucleus. PMID- 29200878 TI - In vitro activity of colistin mono- and combination therapy against colistin resistant Acinetobacter baumannii, mechanism of resistance, and clinical outcomes of patients infected with colistin-resistant A. baumannii at a Thai university hospital. AB - Purpose: Colistin is a drug of last resort for treating multidrug-resistant Acinetobacter baumannii infections. Unfortunately, colistin-resistant A. baumannii (CoR-AB) has been reported. Here, we examined the in vitro effect of mono- and combined antimicrobials against CoR-AB strains and their resistance mechanism, and evaluated the clinical outcomes of CoR-AB-infected patients. Patients and methods: Seventeen clinical CoR-AB strains were isolated from patients at Phramongkutklao hospital, 2011-2015. The mono- and synergistic activities of colistin, tigecycline, sulbactam, imipenem, meropenem, amikacin, fosfomycin, and cotrimoxazole were examined by minimum inhibitory concentration (MIC) and fractional inhibitory concentration index. Clonal relationship and resistance genes were determined by repetitive extragenic palindromic polymerase chain reaction with specific primers. The effect of carbonyl cyanide 3 chlorophenylhydrazone combined with colistin was used to test efflux pump involvement. Patient treatment outcomes were also reported. Results: The most prevalent infection in CoR-AB patients was pneumonia (35.3%), and all patients were administered colistin combined with another agent. The 30-day mortality was 70.6%, and the colistin MIC range and MIC50 was 16-512 MUg/mL and 64 MUg/mL, respectively. All CoR-AB strains were sensitive to tigecycline. Sporadic isolates were susceptible to sulbactam, imipenem, meropenem, and cotrimoxazole. A synergistic or additive effect was observed for colistin plus imipenem or meropenem (16.7%), sulbactam (66.7%), or tigecycline (66.7%). The CoR-AB isolates could be divided into four different clones (A-D) with a high prevalence of group B (47.1%). Eight isolates harbored blaOXA23, blaIMP, blaKPC, and blaNDM, and one contained blaOXA23, blaIMP, and blaKPC, while the eight remaining isolates carried only blaOXA23. The MIC values of all strains were greatly reduced for colistin plus carbonyl cyanide 3-chlorophenylhydrazone. Conclusion: CoR-AB clinical isolates exhibited very high colistin resistance and a high frequency of resistance genes. The mechanism of colistin resistance appears to be mediated via an efflux pump. Thus, certain antimicrobials could be used as salvage therapy for CoR-AB infection. PMID- 29200879 TI - Cost-consequence analysis of sitagliptin versus sulfonylureas as add-on therapy for the treatment of diabetic patients in Italy. AB - Objective: Diabetes mellitus is a chronic disease related to a significant impact in both epidemiologic and economic terms. In Italy, around 3.6 million people are affected by diabetes and this number is expected to increase significantly in the next few years. As recommended by current national and international guidelines, metformin (Met) is prescribed as first-line pharmacological treatment, and many pharmacological alternatives are available for patients uncontrolled with Met monotherapy. Despite the availability of many innovative oral antidiabetic drugs (OADs), such as dipeptidyl peptidase 4 inhibitors (DPP4-i) and its first-in-class sitagliptin (SITA), which entered the Italian market in the last 10 years, their usage is consistently lower than traditional drugs such as sulfonylureas (SUs). In fact, due to higher acquisition costs, the prescription of innovative OADs in Italy is restricted to specialist, resulting in a prominent usage of traditional OAD that can be prescribed also by general practitioners (GPs). A cost consequence analysis (CCA) was performed in order to compare SITA with SU, as second-line therapy in add-on to Met, in terms of costs and related clinical events over 36 months. Methods: A CCA was conducted on a hypothetical cohort of 100,000 type 2 diabetes mellitus (T2DM) patients uncontrolled with Met monotherapy, from both the Italian National Health Service (INHS) and societal perspective. Therefore, both direct (drugs, self-monitoring, hypoglycemia, major cardiovascular events [MACEs], and switch to insulin) and indirect costs (expressed in terms of productivity losses) were evaluated. Clinical and economic data were collected through Italian national tariffs, literature, and experts' opinions. Three expert clinicians finally validated data inputs. To assess robustness of base case results, a one-way sensitivity analysis (OWSA) and a conservative scenario analysis - excluding MACEs - were carried out. Results: In the base case analysis, the higher drug costs related to SITA were offset by other management costs (ie, lower use of devices for glycemia self-monitoring, lower incidence of hypoglycemia and MACE, and delay to insulin switch). As a result, the economic evaluation showed that, compared to SU, SITA was cost saving from both societal (-?61,217,723) and INHS (-?51,846,442) perspectives over 3 years as add-on to Met. The base case results were also confirmed by the scenario analysis and by the OWSA performed on the key parameters. The adoption of SITA, in a cohort of 100,000 diabetes patients, would avoid 26,882 non-severe hypoglycemic events, 6,528 severe hypoglycemic events, and 1,562 MACEs. Conclusion: This analysis suggests that, compared to SU, SITA could be a sustainable and cost-saving alternative for the management of T2DM patients uncontrolled with Met monotherapy from both clinical and economic perspectives. PMID- 29200880 TI - Estimating the risk of severe hypoglycemic event related to glucose-lowering treatment among Italian patients with diabetes: the HYPOTHESIS database. AB - The primary objective of this study was to estimate 1) the annual risk of undergoing a severe hypoglycemic event in Italian patients with diabetes and 2) the risk of hospitalization following such event. From the HYPOTHESIS database, powered by 46 emergency departments covering a 12-million-odd population, data were extracted of 1,922 hypoglycemic events occurring in patients with diabetes in 2011. The mean age was 71.5 (standard deviation 16.8) years, 50.1% were men, and blood glucose at the time of the event was 44.2 (26.5) mg/dL. Patients were being treated with insulin alone (55%) or in combination with oral hypoglycemic agents (OHA, 15%), or with OHA alone, either in monotherapy (14%) or in multiple therapy (16%). Comorbidities were recorded in 71.8% of the patients. Based on the rates of glucose-lowering drug use in Italian patients with diabetes, the annual risk of undergoing a serious hypoglycemic event was estimated at 1.27% for subjects treated with insulin alone, the highest (p<0.00001) as compared with insulin + OHA (0.41%) or OHA alone, either in monotherapy or in multiple therapy (0.1% and 0.17%, respectively). The risk of being hospitalized following the hypoglycemic event was the least (27.6%) for subjects treated with insulin alone (p<0.0083). Subjects treated with insulin + OHA showed a lower risk (34.2%) as compared with that for subjects treated with OHA (p<0.02). Death occurs in 7% of hospitalized patients. Older age (p<0.0001) and comorbidities (p<0.0001) were risk factors for hypoglycemia-related hospitalization. Treatments with insulin alone (p<0.005) or in combination (p<0.049) were negatively associated with hospital admission. Severe hypoglycemic events associated with the use of oral glucose-lowering agents carry the highest risk of hospital treatment. As such, they are also likely to generate higher tangible and intangible costs. PMID- 29200881 TI - Do reimbursement recommendation processes used by government drug plans in Canada adhere to good governance principles? AB - In democratic societies, good governance is the key to assuring the confidence of stakeholders and other citizens in how governments and organizations interact with and relate to them and how decisions are taken. Although defining good governance can be debatable, the United Nations Development Program (UNDP) set of principles is commonly used. The reimbursement recommendation processes of the Canadian Agency for Drugs and Technologies in Health (CADTH), which carries out assessments for all public drug plans outside Quebec, are examined in the light of the UNDP governance principles and compared with the National Institute for Health and Care Excellence system in England. The adherence of CADTH's processes to the principles of accountability, transparency, participatory, equity, responsiveness and consensus is poor, especially when compared with the English system, due in part to CADTH's lack of genuine independence. CADTH's overriding responsibility is toward the governments that "own," fund and manage it, while the agency's status as a not-for-profit corporation under federal law protects it from standard government forms of accountability. The recent integration of CADTH's reimbursement recommendation processes with the provincial public drug plans' collective system for price negotiation with pharmaceutical companies reinforces CADTH's role as a nonindependent partner in the pursuit of governments' cost-containment objectives, which should not be part of its function. Canadians need a national organization for evaluating drugs for reimbursement in the public interest that fully embraces the principles of good governance - one that is publicly accountable, transparent and fair and includes all stakeholders throughout its processes. PMID- 29200882 TI - Early intervention in the management of pulmonary arterial hypertension: clinical and economic outcomes. AB - Pulmonary arterial hypertension (PAH) has a high morbidity rate and is fatal if left untreated. Increasing evidence supports early intervention, possibly with initial combination therapy. PAH-specific pharmaceuticals, however, are expensive and may have serious adverse effects, particularly when used in combination. The currently dynamic health care economy reinforces the need for a review of early intervention from both outcomes and economic perspectives. We aimed to review the clinical and economic impact of PAH therapy, particularly examining drug cost, hospitalization burden, and health care economics impact, and the effect of early intervention on clinical outcomes. We searched PubMed, Scopus, Ovid, and MEDLINE databases from 2005 to 2017 for studies comparing drug cost, clinical outcomes, and hospitalization burden associated with therapy for PAH. Emerging data indicate that early therapy is effective, but drug therapy is expensive, particularly with combination therapy. Efficacy studies also generally show benefit of combination therapy for patients in World Health Organization functional class II, with a consistent decrease in hospitalization. Pharmacoeconomic studies are limited but indicate that increased pharmacy costs are at least partially offset by decreased health care utilization, particularly inpatient care. Modeling also shows a cost benefit with combination therapy at 2 years. Nonetheless, more rigorously collected health care economic data should be incorporated into future drug efficacy trials to provide a clearer understanding of the impact and the associated cost benefit of early PAH therapy. Increasing evidence in support of early intervention and combination therapy for PAH is associated with rising medication costs that are largely offset by reduced hospitalization, on the basis of the currently available literature. Nonetheless, the studies performed to date have methodologic limitations that highlight the need for prospective studies using more robust economic modeling. PMID- 29200884 TI - Associations between body mass index and severity of psoriasis. AB - Objective: Compared with healthy people, overweight and obesity are more commonly found among those suffering from skin conditions such as psoriasis. The present study was an attempt to survey the relationship between obesity and intensity of psoriasis. Patients and methods: A total of 42 patients with psoriasis who were referred to Farshchian Hospital, Hamadan, participated in this cross-sectional descriptive-analytical study. Patients were classified into mild, moderate and severe based on the intensity of the disease measured by Psoriasis Area and Severity Index (PASI). Body mass index (BMI), waist size, age, gender, smoking and drinking habits of the participants were measured and compared. Results: A total of 15 (35.07%) patients had mild psoriasis, 9 (21.4%) patients had moderate psoriasis and 18 (42.9%) patients suffered from severe psoriasis. Mean BMI of mild psoriasis patients was 25.86+/-5.93 kg/m2, and this figure for the moderate and severe psoriasis patients was 30.85+/-3.77 kg/m2 and 26.96+/-5.68 kg/m2, respectively (P=0.096). Mean waist size of the mild psoriasis patients was 91.54+/-11.49 cm, and for moderate and severe patients, it was 99+/-8.39 cm and 92.17+/-10.73 cm, respectively (P=0.211). Conclusion: The results of this study showed no significant difference between mean value of body mass index, waist size, age and gender in mild, moderate and severe groups of the psoriasis patients. PMID- 29200883 TI - Obesity and brain illness: from cognitive and psychological evidences to obesity paradox. AB - Recent findings showed that obesity represents an additional risk factor to developing brain illness such as cognitive impairments and psychopathological disorders. However, some benefits of overweight in the elderly have been identified and an "obesity paradox" has been shown. Currently, it is still unknown how obesity and brain functioning could be linked, and the process by which body fat independently injures cognitive abilities and psychological well being remains unclear. To establish the independent role of obesity on cognitive abilities and mental health, clarifying the role played by several factors and understanding their interaction is essential. In this review, we discuss the relationship between obesity and brain illness and underline the role played by confounders and other covariates to determine this link. PMID- 29200885 TI - Treatment of complex regional pain syndrome using free-flap surgery: a case report. AB - Complex regional pain syndrome is a chronic progressive illness with sensory, autonomic, trophic, and motor abnormalities. Treatment is difficult and controversial. We report the results of free-flap and vein wrapping of the superficial peroneal nerve surgery to treat complex regional pain syndrome. PMID- 29200886 TI - Monitoring and management of hypertension with obesity in adolescents. AB - Largely due to the childhood obesity epidemic, there has been an increase in the prevalence of hypertension in children and adolescents. Obesity associated hypertension is the most common hypertension phenotype among adolescents. Approximately 30% of obese adolescents have elevated blood pressure (BP) or hypertension. Updated definitions of elevated BP and hypertension in adolescents are now similar to definitions of BP status in adults. For adolescents >=13 years of age, elevated BP is 120 to 129/<80 mm Hg. Hypertension, stage 1, is >=130 to 139/80 to 89 mm Hg, and hypertension, stage 2, is >=140/90 mm Hg. BP measurements over separate clinic visits are necessary to verify the diagnosis of elevated BP or hypertension. Ambulatory BP monitoring, when available, provides confirmatory data on BP status. Causal mechanisms for obesity associated hypertension include increased sympathetic nervous system activity, increased renal sodium retention secondary to insulin resistance/hyperinsulinemia, and obesity mediated inflammation. The primary treatment for obesity associated hypertension is weight reduction with lifestyle changes in diet and physical activity. Although difficult to achieve, even modest weight reduction can be beneficial. The diet should be rich in fruits, vegetables, fiber, and low-fat dairy with reduction in salt intake. When lifestyle changes are insufficient to achieve BP control, pharmacologic therapy is indicated to achieve a goal BP of <130/80 mm Hg or <90th percentile, whichever is lower. Regular BP monitoring is necessary for ongoing management of obesity associated hypertension in adolescents. PMID- 29200887 TI - Efficacy and safety of pemetrexed and nedaplatin followed by pemetrexed maintenance therapy in advanced lung adenocarcinoma. AB - Objective: To evaluate the efficacy and safety of pemetrexed and nedaplatin followed by pemetrexed maintenance therapy in advanced lung adenocarcinoma. Methods: A total of 53 advanced lung adenocarcinoma patients hospitalized between July 2013 and June 2016 with a performance status <=2 were enrolled in this study. All patients received 4-6 cycles of combination chemotherapy comprising pemetrexed (500 mg/m2 dL) and nedaplatin (80 mg/m2 dL). Each chemotherapy cycle consisted of 21 days. After the efficacy of the combination chemotherapy was assessed, patients with stable disease, partial remission, or complete remission received pemetrexed maintenance therapy (500 mg/m2 dL) until disease progression or intolerable side effects occurred. Each pemetrexed maintenance therapy cycle was 28 days. Results: After completion of the pemetrexed and nedaplatin combination chemotherapy, 26 (49.1%), 15 (28.3%), and 12 (22.6%) patients exhibited partial remission, stable disease, and progressive disease, respectively. Complete remission was not achieved in any patient. Therefore, the response and disease control percentages were 49.1% and 77.4%, respectively. A total of 38 patients were further administered pemetrexed maintenance chemotherapy for an average of 9.8 cycles. The median progression-free survival and overall survival of the 38 patients receiving the pemetrexed maintenance therapy were 9.3 (95% confidence interval: 8.6-10) months and 16.3 (95% confidence interval: 14.5-18.2) months, respectively. The major adverse effects included bone marrow suppression and gastrointestinal reactions, which were well tolerated. Conclusions: Combination chemotherapy based on pemetrexed and nedaplatin is effective for the treatment of advanced lung adenocarcinoma with a high tolerance by patients. In addition, pemetrexed maintenance therapy of advanced lung adenocarcinoma is safe and effective for the treatment of advanced lung adenocarcinoma following pemetrexed and nedaplatin combination chemotherapy. PMID- 29200888 TI - Prognostic and clinicopathological value of Ki-67/MIB-1 expression in renal cell carcinoma: a meta-analysis based on 4579 individuals. AB - Background: Previous studies have investigated the prognostic significance of Ki 67/MIB-1 expression in renal cell carcinoma (RCC), however, the reports are controversial and inconsistent. This study aimed to investigate Ki-67/MIB-1 expression in RCC and its correlation with prognosis and clinicopathological features. Methods: We searched relevant studies that reported associations between Ki-67/MIB-1 expression and prognosis in RCC from PubMed, Embase, Web of Science, and Cochrane Library studies published until April 14, 2017. Hazard ratios (HRs) and 95% confidence intervals (CIs) were extracted from eligible studies. Fixed and random effects models were used to calculate pooled HRs and 95% CIs according to heterogeneity. Results: A total of 4579 participants from 23 eligible studies were included in this analysis. The results showed that Ki 67/MIB-1 expression was associated with poor overall survival (HR=2.06, 95% CI: 1.64-2.57) and cancer specific survival (HR=2.01, 95% CI: 1.66-2.44). In addition, Ki-67/MIB-1 expression was also correlated with TNM stage (III/IV vs I/II: OR=1.92, 95% CI: 1.61-2.28), pathological T stage (pT3/pT4 vs pT1/pT2: OR=1.56, 95% CI: 1.21-2.02), distant metastasis (M1 vs M0: OR=1.81, 95% CI: 1.34 2.43), and Fuhrman grade (III/IV vs I/II: OR=1.94, 95% CI: 1.21-3.10). Conclusion: Our study demonstrates that the presence of high Ki-67/MIB-1 expression and advanced clinicopathological features were correlated with poor prognosis in RCC patients. PMID- 29200889 TI - Mesenchymal phenotype of circulating tumor cells is associated with distant metastasis in breast cancer patients. AB - In this study, we investigated the relationship between the epithelial mesenchymal transition phenotype of circulating tumor cells (CTCs) and distant metastasis in breast cancer patients. We analyzed the expression of epithelial (epithelial cell adhesion molecule, cytokeratin [CK]8, CK18 and CK19) and mesenchymal (vimentin and TWIST1) markers in CTCs from a large cohort of Chinese breast cancer patients (N=1083) using CanpatrolTM CTC assays. We identified CTCs in 84.9% (920/1083) of the breast cancer patients enrolled in this study. Among these 920 patients, 547 showed epithelial CTCs, 793 showed biphenotypic CTCs and 516 showed mesenchymal CTCs. Receiver operating characteristic (ROC) curves demonstrated circulation of both biphenotypic and mesenchymal CTCs (area under ROC curve value: 0.728; sensitivity: 68.7% and specificity: 71.6%) in patients was associated with distant metastasis. These findings demonstrate that the epithelial-mesenchymal transition phenotype of CTCs is a potential biomarker predictive of distant metastasis in breast cancer. PMID- 29200890 TI - Comorbidity index in central cancer registries: the value of hospital discharge data. AB - Background: The presence of comorbid medical conditions can significantly affect a cancer patient's treatment options, quality of life, and survival. However, these important data are often lacking from population-based cancer registries. Leveraging routine linkage to hospital discharge data, a comorbidity score was calculated for patients in the California Cancer Registry (CCR) database. Methods: California cancer cases diagnosed between 1991 and 2013 were linked to statewide hospital discharge data. A Deyo and Romano adapted Charlson Comorbidity Index was calculated for each case, and the association of comorbidity score with overall survival was assessed with Kaplan-Meier curves and Cox proportional hazards models. Using a subset of Medicare-enrolled CCR cases, the index was validated against a comorbidity score derived using Surveillance, Epidemiology, and End Results (SEER)-Medicare linked data. Results: A comorbidity score was calculated for 71% of CCR cases. The majority (60.2%) had no relevant comorbidities. Increasing comorbidity score was associated with poorer overall survival. In a multivariable model, high comorbidity conferred twice the risk of death compared to no comorbidity (hazard ratio 2.33, 95% CI: 2.32-2.34). In the subset of patients with a SEER-Medicare-derived score, the sensitivity of the hospital discharge-based index for detecting any comorbidity was 76.5. The association between overall mortality and comorbidity score was stronger for the hospital discharge-based score than for the SEER-Medicare-derived index, and the predictive ability of the hospital discharge-based score, as measured by Harrell's C index, was also slightly better for the hospital discharge-based score (C index 0.62 versus 0.59, P<0.001). Conclusions: Despite some limitations, using hospital discharge data to construct a comorbidity index for cancer registries is a feasible and valid method to enhance registry data, which can provide important clinically relevant information for population-based cancer outcomes research. PMID- 29200891 TI - Conditioning on future exposure to define study cohorts can induce bias: the case of low-dose acetylsalicylic acid and risk of major bleeding. AB - Background: A principle of cohort studies is that cohort membership is defined by current rather than future exposure information. Pharmacoepidemiologic studies using existing databases are vulnerable to violation of this principle. We evaluated the impact of using data on future redemption of prescriptions to determine cohort membership, motivated by a published example seeking to emulate a "per-protocol" association between continuous versus never use of low-dose acetylsalicylic acid (ASA) and major bleeding (e.g., cerebral hemorrhage or gastrointestinal bleeding). Materials and methods: Danish medical registry data from 2004 to 2011 were used to construct two analytic cohorts. In Cohort 1, we used information about future redemption of low-dose ASA prescriptions to identify cohorts of continuous and never-ASA users. In Cohort 2, we identified ASA initiators and non-initiators using only contemporaneous data and censored follow-up for changes in use over time. We implemented propensity score-matched Poisson regression to evaluate associations between ASA use and major bleeding and estimated adjusted incidence rate differences (IRDs) per 1,000 person-years and ratios (IRRs) overall and stratified by time since initiation. Results: Among >6 million eligible Danish adults, we identified 403,693 low-dose ASA initiators (Cohort 2), of whom 189,150 were defined as continuous users (Cohort 1). Overall, IRDs and IRRs were similar across cohorts. However, the IRD for major bleeding in the first 90 days was substantially larger in Cohort 1 (IRD=25 per 1,000 person years) compared with Cohort 2 (IRD=10 per 1,000 person-years). Conclusion: Using future medication redemption data to define baseline cohorts violates basic epidemiologic principles. Compared with an approach using only contemporaneous data to define cohorts, the approach based on future redemption data generated a substantially higher short-term association between low-dose ASA use and major bleeding on the absolute, but not the relative, scale possibly due to selection and immortal time biases. PMID- 29200892 TI - Trends and drivers of skilled birth attendant use in Nigeria (1990-2013): policy implications for child and maternal health. AB - Introduction: While Nigeria accounts for only 2% of the world population, it regrettably shares 14% of global maternal death burden. Whether its reported increase in antenatal care utilization is accompanied by increased use of skilled birth attendants (SBAs) is not known. This study assessed trends in utilization of SBAs in Nigeria between 1990 and 2013 and identified its determinants. Methods: Data from four consecutive Nigerian Demographic and Health Survey reports between 1990 and 2013 were pooled. We used basic descriptive statistics, test of association, and logistic regression to assess the prevalence, relative change, and determinants of SBA use at 5% significance level. Sample weights were applied, and adjustment was made for survey design and sampling errors. Results: Nearly half (46.7%) of the respondents were aged 25-34 years, while half (50.3%) of the respondents had no formal education. The prevalence of SBA use increased only marginally across the years and characteristics studied, from 32.4% in 1990 to 38.5% in 2013, an insignificant 6% increase. Educated women used SBA more than women with no education (92.4% vs 13.1%), and their odds ratio of using SBA were thrice that of uneducated women (odds ratio =3.09, 95% confidence interval =2.17 4.38). Women involved in decisions regarding their use of health facility were 12% more likely to use SBAs than others who do not. Educational attainment, religion, tribe, rural/urban residence, and zone of residence were significant to the use of SBA. Conclusion: The use of SBA was very low throughout the study period, barely at one third usage with insignificant changes over the studied period. Women empowerment, including decision-making power and residence, were the strongest determinants of SBA use. To overturn poor child and maternal health outcomes in Nigeria through SBA use, efforts should be targeted at educating girls, sexual and reproductive health education, and accessible and improved health care facility services. PMID- 29200893 TI - Epidemiology of ovarian cancers in Zaria, Northern Nigeria: a 10-year study. AB - Background: Globally, the absence of a premalignant stage of ovarian cancer and a reliable screening tool make early diagnosis difficult. Locally, poverty, ignorance, and lack of organized cancer services make prognosis poor. We describe the epidemiological features of ovarian cancer seen at Ahmadu Bello University Teaching Hospital Zaria, Northern Nigeria, a tertiary referral center, over a 10 year period in this challenging setting. Methods: All cases of histologically diagnosed ovarian cancer between January 1, 2004 and December 31, 2013 were included in the study. Case notes were retrieved to collect clinical data including age, parity, clinical stage of disease at presentation, and known associated factors. Results were analyzed using Epi infoTM. Results: A total of 78 patients were included in the study. About 4-13 cases were seen every year with a tendency to increasing incidence. The patients were aged 8-80 years with mean of 37 years. Sixty-two (79.5%) patients were premenopausal while postmenopausal women accounted for only seven cases or 9.0%. There were 17 cases (22.3%) of aggressive cancers in patients aged <=20 years. A majority of the patients, 65 (83.3%), were parous with only nine (11.5%) patients being nulliparous. Serous cyst adenocarcinoma accounted for 32 (41%) cases. Granulosa cell tumor was the second commonest with 18 cases (23.1%). The mean age of occurrence of serous cyst adenocarcinoma was 31 years and for epithelial ovarian cancers in general it was 33.5 years. Endometrioid adenocarcinoma was rare with only one case in 10 years. Factors like age, parity, and premenopausal status did not appear to be protective to the occurrence of malignant ovarian tumor in this group. Conclusion: Increasing numbers of patients with ovarian cancer were seen over the 10-year period. Young, premenopausal, parous women made up the majority of cases. Serous cystadenocarcinoma was the most common histological variant. PMID- 29200894 TI - Potential for severe airway obstruction from pediatric retropharyngeal abscess. AB - Retropharyngeal abscesses in the pediatric population can cause severe respiratory distress. We report a rare case of significant airway obstruction in a 14-month-old patient requiring rapid, emergent tracheotomy after attempts at endotracheal intubation by an experienced airway surgeon were unsuccessful. The patient was diagnosed with streptococcal pharyngitis 9 days prior to presentation to our facility and was being treated with amoxicillin. Prompt diagnosis, communication, and appropriate multidisciplinary airway management can lead to successful outcomes even in these severe cases. PMID- 29200895 TI - Physiological and training characteristics of recreational marathon runners. AB - Purpose: The aim of this study was to examine the physical and training characteristics of recreational marathon runners within finish time bandings (2.5 3 h, 3-3.5 h, 3.5-4 h, 4-4.5 h and >4.5 h). Materials and methods: A total of 97 recreational marathon runners (age 42.4 +/- 9.9 years; mass 69.2 +/- 11.3 kg; stature 172.8 +/- 9.1 cm), with a marathon finish time of 229.1 +/- 48.7 min, of whom n = 34 were female and n = 63 were male, completed an incremental treadmill test for the determination of lactate threshold (LT1), lactate turn point (LT2) and running economy (RE). Following a 7-min recovery, they completed a test to volitional exhaustion starting at LT2 for the assessment of [Formula: see text]. In addition, all participants completed a questionnaire gathering information on their current training regimes exploring weekly distances, training frequencies, types of sessions, longest run in a week, with estimations of training speed, and load and volume derived from these data. Results: Training frequency was shown to be significantly greater for the 2.5-3 h group compared to the 3.5-4 h runners (P < 0.001) and >4.5 h group (P = 0.004), while distance per session (km.session-1) was significantly greater for the 2.5-3 h group (16.1 +/- 4.2) compared to the 3.5-4 h group (15.5 +/- 5.2; P = 0.01) and >4.5 h group (10.3 +/- 2.6; P = 0.001). Race speed correlated with LT1 (r = 0.791), LT2 (r = 0.721) and distance per session (r = 0.563). Conclusion: The data highlight profound differences for key components of marathon running ([Formula: see text], LT1, LT2, RE and % [Formula: see text]) within a group of recreational runners with the discriminating training variables being training frequency and the absolute training speed. PMID- 29200896 TI - Methamphetamine Use With Subsequent Thyrotoxicosis/Thyroid Storm, Agranulocytosis, and Modified Total Thyroidectomy: A Case Report. AB - Thyroid storm is a rare, potentially lethal condition involving collapse of the hypothalamic-pituitary-thyroid feedback loop. Thyroid storm carries a significant mortality rate, thus requiring prompt identification and treatment. A 47-year-old woman presented to the emergency department complaining of palpitations, shortness of breath, and emesis for 24 hours after using methamphetamine. Past medical history was significant for untreated hyperthyroidism. Physical examination revealed a prominent, palpable thyroid. The Burch-Wartofsky-Score was 35. Management for thyroid storm included propylthiouracil (PTU), super saturated potassium iodide, intravenous hydrocortisone, and propranolol. However, a rare drug reaction to PTU on day 3 resulted in agranulocytosis. Propylthiouracil was withheld and a modified total thyroidectomy performed on day 8 without complications and the patient discharged on day 10 with levothyroxine. Undertreated hyperthyroidism may predispose patients to catecholamine-induced thyrotoxicosis due to catecholamine hypersensitivity. With known methamphetamine use, methamphetamine toxicity and a methamphetamine-exacerbated thyroid storm need to be included in the differential diagnosis in a patient presenting with signs of thyrotoxicosis. In addition, treating patients with agranulocytosis from PTU with a modified total thyroidectomy using ligation of the vascular supply as the initial surgical step limits release of thyroid hormone into the blood stream during thyroidectomy and decreases the possibility of intra operative thyroid storm. PMID- 29200897 TI - Insulinoma and Chronic Kidney Disease: An Uncommon Conundrum Not to Be Overlooked. AB - A hypertensive man with chronic kidney disease (CKD) secondary to polycystic disease was hospitalized for symptoms related to hypoglycemia. Fasting test elicited symptomatic hypoglycemia after 12 hours, which was associated with inappropriately unsuppressed normal insulin and C-peptide levels. Neither ultrasonography (US) nor magnetic resonance imaging detected any pancreatic tumor. Endoscopic ultrasonography (EUS) showed a small isoechogenic nodule suspect for neuroendocrine tumor in the pancreatic head. 68Gallium-DOTA-Tyr3 octreotide positron emission tomography/computed tomography revealed intense uptake by a small region in the pancreatic head. Surgical exploration together with intraoperative US confirmed the nodule in the pancreatic head and evidenced another hypoechogenic one in the uncinate process. Both nodules were enucleated, but only the latter, which had not been previously detected by EUS, proved compatible with insulinoma on combined histology and immunohistochemistry. After nodule enucleation, hypoglycemia resolved and did not relapse. Insulinoma, as a major cause of unexplained hypoglycemia, requires careful hormonal and instrumental workup. In patients with CKD, the interpretation of biochemical criteria for the diagnosis of insulinoma can be challenging. Localization techniques may display pitfalls. Surgery is curative in most patients but long term follow-up is required. PMID- 29200898 TI - Circulating Clusterin and Osteopontin Levels in Asthma and Asthmatic Pregnancy. AB - Asthma in pregnancy poses a risk of adverse outcomes. Osteopontin and clusterin emerged as asthma biomarkers; however, their circulating levels during pregnancy are unknown yet. This cross-sectional study investigated peripheral osteopontin and clusterin levels and their relationship to disease control in 26 asthmatic pregnant (AP), 22 asthmatic nonpregnant (ANP), and 25 healthy pregnant (HP) women and 12 healthy controls (HNP). Osteopontin levels of ANP and HNP were similar (2.142 [1.483-2.701] versus 2.075 [1.680-2.331] ng/mL, p = 0.7331). Pregnancy caused a marked elevation in both healthy (HP: 3.037 [2.439-4.015] ng/ml, p = 0.003 versus HNP) and asthmatic (AP: 2.693 [1.581-3.620] ng/ml) patients; thus the pregnant groups did not differ (p = 0.3541). Circulating clusterin levels were comparable in ANP and HNP (109.2 [95.59-116.3] versus 108.8 [97.94-115.3] ug/mL, p = 0.8730) and the level was lower in HP (98.80 [84.26-105.5] ug/mL, p = 0.0344 versus HNP). In contrast, the level was higher in AP (111.7 [98.84-125.6] ug/mL, p = 0.0091 versus HP). In ANP, a positive correlation of PEF (r = 0.3405; p = 0.0221) and a negative correlation of Raw (r = -0.3723; p = 0.0128) to clusterin level were detected. Circulating osteopontin level increases in pregnancy regardless of concomitant well-controlled asthma, indicating its gestational role. Clusterin level decreases in healthy but not in asthmatic pregnancy and correlates directly with lung function. PMID- 29200899 TI - Effects of exercise on obesity-induced mitochondrial dysfunction in skeletal muscle. AB - Obesity is known to induce inhibition of glucose uptake, reduction of lipid metabolism, and progressive loss of skeletal muscle function, which are all associated with mitochondrial dysfunction in skeletal muscle. Mitochondria are dynamic organelles that regulate cellular metabolism and bioenergetics, including ATP production via oxidative phosphorylation. Due to these critical roles of mitochondria, mitochondrial dysfunction results in various diseases such as obesity and type 2 diabetes. Obesity is associated with impairment of mitochondrial function (e.g., decrease in O2 respiration and increase in oxidative stress) in skeletal muscle. The balance between mitochondrial fusion and fission is critical to maintain mitochondrial homeostasis in skeletal muscle. Obesity impairs mitochondrial dynamics, leading to an unbalance between fusion and fission by favorably shifting fission or reducing fusion proteins. Mitophagy is the catabolic process of damaged or unnecessary mitochondria. Obesity reduces mitochondrial biogenesis in skeletal muscle and increases accumulation of dysfunctional cellular organelles, suggesting that mitophagy does not work properly in obesity. Mitochondrial dysfunction and oxidative stress are reported to trigger apoptosis, and mitochondrial apoptosis is induced by obesity in skeletal muscle. It is well known that exercise is the most effective intervention to protect against obesity. Although the cellular and molecular mechanisms by which exercise protects against obesity-induced mitochondrial dysfunction in skeletal muscle are not clearly elucidated, exercise training attenuates mitochondrial dysfunction, allows mitochondria to maintain the balance between mitochondrial dynamics and mitophagy, and reduces apoptotic signaling in obese skeletal muscle. PMID- 29200900 TI - Genistein attenuates isoflurane-induced neurotoxicity and improves impaired spatial learning and memory by regulating cAMP/CREB and BDNF-TrkB-PI3K/Akt signaling. AB - Anesthetics are used extensively in surgeries and related procedures to prevent pain. However, there is some concern regarding neuronal degeneration and cognitive deficits arising from regular anesthetic exposure. Recent studies have indicated that brain-derived neurotrophic factor (BDNF) and cyclic AMP response element-binding protein (CREB) are involved in learning and memory processes. Genistein, a plant-derived isoflavone, has been shown to exhibit neuroprotective effects. The present study was performed to examine the protective effect of genistein against isoflurane-induced neurotoxicity in rats. Neonatal rats were exposed to isoflurane (0.75%, 6 hours) on postnatal day 7 (P7). Separate groups of rat pups were orally administered genistein at doses of 20, 40, or 80 mg/kg body weight from P3 to P15 and then exposed to isoflurane anesthesia on P7. Neuronal apoptosis was detected by TUNEL assay and FluoroJade B staining following isoflurane exposure. Genistein significantly reduced apoptosis in the hippocampus, reduced the expression of proapoptotic factors (Bad, Bax, and cleaved caspase-3), and increased the expression of Bcl-2 and Bcl-xL. RT-PCR analysis revealed enhanced BDNF and TrkB mRNA levels. Genistein effectively upregulated cAMP levels and phosphorylation of CREB and TrkB, leading to activation of cAMP/CREB-BDNF-TrkB signaling. PI3K/Akt signaling was also significantly activated. Genistein administration improved general behavior and enhanced learning and memory in the rats. These observations suggest that genistein exerts neuroprotective effects by suppressing isoflurane-induced neuronal apoptosis and by activating cAMP/CREB-BDNF-TrkB-PI3/Akt signaling. PMID- 29200901 TI - The bifunctional effect of propofol on thromboxane agonist (U46619)-induced vasoconstriction in isolated human pulmonary artery. AB - Propofol is known to cause vasorelaxation of several systemic vascular beds. However, its effect on the pulmonary vasculature remains controversial. In the present study, we investigated the effects of propofol on human pulmonary arteries obtained from patients who had undergone surgery. Arterial rings were mounted in a Multi-Myograph system for measurement of isometric forces. U46619 was used to induce sustained contraction of the intrapulmonary arteries, and propofol was then applied (in increments from 10-300 uM). Arteries denuded of endothelium, preincubated or not with indomethacin, were used to investigate the effects of propofol on isolated arteries. Propofol exhibited a bifunctional effect on isolated human pulmonary arteries contracted by U46619, evoking constriction at low concentrations (10-100 uM) followed by secondary relaxation (at 100-300 uM). The extent of constriction induced by propofol was higher in an endothelium-denuded group than in an endothelium-intact group. Preincubation with indomethacin abolished constriction and potentiated relaxation. The maximal relaxation was greater in the endothelium-intact than the endothelium-denuded group. Propofol also suppressed CaCl2-induced constriction in the 60 mM K+ containing Ca2+-free solution in a dose-dependent manner. Fluorescent imaging of Ca2+ using fluo-4 showed that a 10 min incubation with propofol (10-300 uM) inhibited the Ca2+ influx into human pulmonary arterial smooth muscle cells induced by a 60 mM K+-containing Ca2+-free solution. In conclusion, propofol induced arterial constriction appears to involve prostaglandin production by cyclooxygenase in pulmonary artery smooth muscle cells and the relaxation depends in part on endothelial function, principally on the inhibition of calcium influx through L-type voltage-operated calcium channels. PMID- 29200902 TI - JPH203, a selective L-type amino acid transporter 1 inhibitor, induces mitochondria-dependent apoptosis in Saos2 human osteosarcoma cells. AB - Most normal cells express L-type amino acid transporter 2 (LAT2). However, L-type amino acid transporter 1 (LAT1) is highly expressed in many tumor cells and presumed to support their increased growth and proliferation. This study examined the effects of JPH203, a selective LAT1 inhibitor, on cell growth and its mechanism for cell death in Saos2 human osteosarcoma cells. FOB human osteoblastic cells and Saos2 cells expressed LAT1 and LAT2 together with their associating protein 4F2 heavy chain, but the expression of LAT2 in the Saos2 cells was especially weak. JPH203 and BCH, a non-selective L-type amino acid transporter inhibitor, potently inhibited L-leucine uptake in Saos2 cells. As expected, the intrinsic ability of JPH203 to inhibit L-leucine uptake was far more efficient than that of BCH in Saos2 cells. Likewise, JPH203 and BCH inhibited Saos2 cell growth with JPH203 being superior to BCH in this regard. Furthermore, JPH203 increased apoptosis rates and formed DNA ladder in Saos2 cells. Moreover, JPH203 activated the mitochondria-dependent apoptotic signaling pathway by upregulating pro-apoptotic factors, such as Bad, Bax, and Bak, and the active form of caspase-9, and downregulating anti-apoptotic factors, such as Bcl 2 and Bcl-xL. These results suggest that the inhibition of LAT1 activity via JPH203, which may act as a potential novel anti-cancer agent, leads to apoptosis mediated by the mitochondria-dependent intrinsic apoptotic signaling pathway by inducing the intracellular depletion of neutral amino acids essential for cell growth in Saos2 human osteosarcoma cells. PMID- 29200903 TI - Ardipusilloside-I stimulates gastrointestinal motility and phosphorylation of smooth muscle myosin by myosin light chain kinase. AB - Ardipusilloside-I is a natural triterpenoid saponin, which was isolated from Ardisia pusilla A. DC. The aim of the study was to evaluate the stimulation of ardipusilloside-I on gastrointestinal motility in vitro and in vivo. The experiment of smooth muscle contraction directly monitored the contractions of the isolated jejunal segment (IJS) in different contractile states, and the effects of ardipusilloside-I on myosin were measured in the presence of Ca2+ calmodulin using the activities of 20 kDa myosin light chain (MLC20) phosphorylation and myosin Mg2+-ATPase. The effects of ardipusilloside-I on gastro emptying and intestinal transit in constipation-predominant rats were observed, and the MLCK expression in jejuna of constipated rats was determined by western blot. The results showed that, ardipusilloside-I increased the contractility of IJS in a dose-dependent manner and reversed the low contractile state (LCS) of IJS induced by low Ca2+, adrenaline, and atropine respectively. There were synergistic effects on contractivity of IJS between ardipusilloside-I and ACh, high Ca2+, and histamine, respectively. Ardipusilloside-I could stimulate the phosphorylation of MLC20 and Mg2+-ATPase activities of Ca2+- dependent phosphorylated myosin. Ardipusilloside-I also stimulated the gastric emptying and intestinal transit in normal and constipated rats in vivo, respectively, and increased the MLCK expression in the jejuna of constipation predominant rats. Briefly, the findings demonstrated that ardipusilloside-I could effectively excite gastrointestinal motility in vitro and in vivo. PMID- 29200904 TI - Taurine relaxes human radial artery through potassium channel opening action. AB - The vascular actions and mechanisms of taurine were investigated in the isolated human radial artery (RA). RA rings were suspended in isolated organ baths and tension was recorded isometrically. First, a precontraction was achieved by adding potassium chloride (KCl, 45 mM) or serotonin (5-hydroxytryptamine, 5-HT, 30 uM) to organ baths. When the precontractions were stable, taurine (20, 40, 80 mM) was added cumulatively. Antagonistic effect of taurine on calcium chloride (10 uM to 10 mM)-induced contractions was investigated. Taurine-induced relaxations were also tested in the presence of the K+ channel inhibitors tetraethylammonium (1 mM), glibenclamide (10 uM) and 4-aminopyridine (1 mM). Taurine did not affect the basal tone but inhibited the contraction induced by 5 HT and KCl. Calcium chloride-induced contractions were significantly inhibited in the presence of taurine (20, 40, 80 mM) (p<0.05). The relaxation to taurine was inhibited by tetraethylammonium (p<0.05). However, glibenclamide and 4 aminopyridine did not affect taurine-induced relaxations. Present experiments show that taurine inhibits 5-HT and KCl-induced contractions in RA, and suggest that large conductance Ca2+-activated K+ channels may be involved in taurine induced relaxation of RA. PMID- 29200905 TI - MPTP-induced vulnerability of dopamine neurons in A53T alpha-synuclein overexpressed mice with the potential involvement of DJ-1 downregulation. AB - Familial Parkinson's disease (PD) has been linked to point mutations and duplication of the alpha-synuclein (alpha-syn) gene. Mutant alpha-syn expression increases the vulnerability of neurons to exogenous insults. In this study, we developed a new PD model in the transgenic mice expressing mutant hemizygous (hemi) or homozygous (homo) A53T alpha-synuclein (alpha-syn Tg) and their wildtype (WT) littermates by treatment with sub-toxic (10 mg/kg, i.p., daily for 5 days) or toxic (30 mg/kg, i.p., daily for 5 days) dose of 1-methyl-4-phenyl 1,2,3,6-tetrahydropyridine (MPTP). Tyrosine hydroxylase and Bcl-2 levels were reduced in the alpha-syn Tg but not WT mice by sub-toxic MPTP injection. In the adhesive removal test, time to remove paper was significantly increased only in the homo alpha-syn Tg mice. In the challenging beam test, the hemi and homo alpha syn Tg mice spent significantly longer time to traverse as compared to that of WT group. In order to find out responsible proteins related with vulnerability of mutant alpha-syn expressed neurons, DJ-1 and ubiquitin enzyme expressions were examined. In the SN, DJ-1 and ubiquitin conjugating enzyme, UBE2N, levels were significantly decreased in the alpha-syn Tg mice. Moreover, A53T alpha-syn overexpression decreased DJ-1 expression in SH-SY5Y cells. These findings suggest that the vulnerability to oxidative injury such as MPTP of A53T alpha-syn mice can be explained by downregulation of DJ-1. PMID- 29200906 TI - Effects of intermittent ladder-climbing exercise training on mitochondrial biogenesis and endoplasmic reticulum stress of the cardiac muscle in obese middle aged rats. AB - The aim of this study is to investigate the effects of intermittent ladder climbing exercise training on mitochondrial biogenesis and ER stress of the cardiac muscle in high fat diet-induced obese middle-aged rats. We induced obesity over 6 weeks of period in 40 male Sprague-Dawley rats around 50 weeks old, and were randomly divided into four experimental groups: chow, HFD, exercise+HFD, and exercise+chow. The exercising groups underwent high-intensity intermittent training using a ladder-climbing and weight exercise 3 days/week for a total of 8 weeks. High-fat diet and concurrent exercise resulted in no significant reduction in body weight but caused a significant reduction in visceral fat weight (p<0.05). Expression of PPARdelta increased in the exercise groups and was significantly increased in the high-fat diet+exercise group (p<0.05). Among the ER stress-related proteins, the expression levels of p-PERK and CHOP, related to cardiac muscle damage, were significantly higher in the cardiac muscle of the high-fat diet group (p<0.05), and were significantly reduced by intermittent ladder-climbing exercise training (p<0.05). Specifically, this reduction was greater when the rats underwent exercise after switching back to the chow diet with a reduced caloric intake. Collectively, these results suggest that the combination of intermittent ladder-climbing exercise training and a reduced caloric intake can decrease the levels of ER stress-related proteins that contribute to cardiac muscle damage in obesity and aging. However, additional validation is required to understand the effects of these changes on mitochondrial biogenesis during exercise. PMID- 29200907 TI - Chronic cerebral hypoperfusion and plasticity of the posterior cerebral artery following permanent bilateral common carotid artery occlusion. AB - Vascular dementia (VaD) is a group of heterogeneous diseases with the common feature of cerebral hypoperfusion. To identify key factors contributing to VaD pathophysiology, we performed a detailed comparison of Wistar and Sprague-Dawley (SD) rats subjected to permanent bilateral common carotid artery occlusion (BCCAo). Eight-week old male Wistar and SD rats underwent BCCAo, followed by a reference memory test using a five-radial arm maze with tactile cues. Continuous monitoring of cerebral blood flow (CBF) was performed with a laser Doppler perfusion imaging (LDPI) system. A separate cohort of animals was sacrificed for evaluation of the brain vasculature and white matter damage after BCCAo. We found reference memory impairment in Wistar rats, but not in SD rats. Moreover, our LDPI system revealed that Wistar rats had significant hypoperfusion in the brain region supplied by the posterior cerebral artery (PCA). Furthermore, Wistar rats showed more profound CBF reduction in the forebrain region than did SD rats. Post mortem analysis of brain vasculature demonstrated greater PCA plasticity at all time points after BCCAo in Wistar rats. Finally, we confirmed white matter rarefaction that was only observed in Wistar rats. Our studies show a comprehensive and dynamic CBF status after BCCAo in Wistar rats in addition to severe PCA dolichoectasia, which correlated well with white matter lesion and memory decline. PMID- 29200908 TI - Ursolic acid supplementation decreases markers of skeletal muscle damage during resistance training in resistance-trained men: a pilot study. AB - Ursolic acid (UA) supplementation was previously shown to improve skeletal muscle function in resistance-trained men. This study aimed to determine, using the same experimental paradigm, whether UA also has beneficial effects on exercise-induced skeletal muscle damage markers including the levels of cortisol, B-type natriuretic peptide (BNP), myoglobin, creatine kinase (CK), creatine kinase myocardial band (CK-MB), and lactate dehydrogenase (LDH) in resistance-trained men. Sixteen healthy participants were randomly assigned to resistance training (RT) or RT+UA groups (n=8 per group). Participants were trained according to the RT program (60~80% of 1 repetition, 6 times/week), and the UA group was additionally given UA supplementation (450 mg/day) for 8 weeks. Blood samples were obtained before and after intervention, and cortisol, BNP, myoglobin, CK, CK MB, and LDH levels were analyzed. Subjects who underwent RT alone showed no significant change in body composition and markers of skeletal muscle damage, whereas RT+UA group showed slightly decreased body weight and body fat percentage and slightly increased lean body mass, but without statistical significance. In addition, UA supplementation significantly decreased the BNP, CK, CK-MB, and LDH levels (p<0.05). In conclusion, UA supplementation alleviates increased skeletal muscle damage markers after RT. This finding provides evidence for a potential new therapy for resistance-trained men. PMID- 29200909 TI - The efficacy of combination treatment of gabapentin and electro-acupuncture on paclitaxel-induced neuropathic pain. AB - Paclitaxel, a chemotherapeutic drug, induces severe peripheral neuropathy. Gabapentin (GBT) is a first line agent used to treat neuropathic pain, and its effect is mediated by spinal noradrenergic and muscarinic cholinergic receptors. Electro-acupuncture (EA) is used for treating various types of pain via its action through spinal opioidergic and noradrenergic receptors. Here, we investigated whether combined treatment of these two agents could exert a synergistic effect on paclitaxel-induced cold and mechanical allodynia, which were assessed by the acetone drop test and von Frey filament assay, respectively. Significant signs of allodynia were observed after four paclitaxel injections (a cumulative dose of 8 mg/kg, i.p.). GBT (3, 30, and 100 mg/kg, i.p.) or EA (ST36, Zusanli) alone produced dose-dependent anti-allodynic effects. The medium and highest doses of GBT (30 and 100 mg/kg) provided a strong analgesic effect, but they induced motor dysfunction in Rota-rod tests. On the contrary, the lowest dose of GBT (3 mg/kg) did not induce motor weakness, but it provided a brief analgesic effect. The combination of the lowest dose of GBT and EA resulted in a greater and longer effect, without inducing motor dysfunction. This effect on mechanical allodynia was blocked by spinal opioidergic (naloxone, 20 MUg), or noradrenergic (idazoxan, 10 MUg) receptor antagonist, whereas on cold allodynia, only opioidergic receptor antagonist blocked the effect. In conclusion, the combination of the lowest dose of GBT and EA has a robust and enduring analgesic action against paclitaxel-induced neuropathic pain, and it should be considered as an alternative treatment method. PMID- 29200910 TI - Comparative effects of angiotensin II and angiotensin-(4-8) on blood pressure and ANP secretion in rats. AB - Angiotensin II (Ang II) is metabolized from N-terminal by aminopeptidases and from C-terminal by Ang converting enzyme (ACE) to generate several truncated angiotensin peptides (Angs). The truncated Angs have different biological effects but it remains unknown whether Ang-(4-8) is an active peptide. The present study was to investigate the effects of Ang-(4-8) on hemodynamics and atrial natriuretic peptide (ANP) secretion using isolated beating rat atria. Atrial stretch caused increases in atrial contractility by 60% and in ANP secretion by 70%. Ang-(4-8) (0.01, 0.1, and 1 uM) suppressed high stretch-induced ANP secretion in a dose-dependent manner. Ang-(4-8) (0.1 uM)-induced suppression of ANP secretion was attenuated by the pretreatment with an antagonist of Ang type 1 receptor (AT1R) but not by an antagonist of AT2R or AT4R. Ang-(4-8)-induced suppression of ANP secretion was attenuated by the pretreatment with inhibitor of phospholipase (PLC), inositol triphosphate (IP3) receptor, or nonspecific protein kinase C (PKC). The potency of Ang-(4-8) to inhibit ANP secretion was similar to Ang II. However, Ang-(4-8) 10 uM caused an increased mean arterial pressure which was similar to that by 1 nM Ang II. Therefore, we suggest that Ang-(4-8) suppresses high stretch-induced ANP secretion through the AT1R and PLC/IP3/PKC pathway. Ang-(4-8) is a biologically active peptide which functions as an inhibition mechanism of ANP secretion and an increment of blood pressure. PMID- 29200911 TI - Dual control of the vestibulosympathetic reflex following hypotension in rats. AB - Orthostatic hypotension (OH) is associated with symptoms including headache, dizziness, and syncope. The incidence of OH increases with age. Attenuation of the vestibulosympathetic reflex (VSR) is also associated with an increased incidence of OH. In order to understand the pathophysiology of OH, we investigated the physiological characteristics of the VSR in the disorder. We applied sodium nitroprusside (SNP) to conscious rats with sinoaortic denervation in order to induce hypotension. Expression of pERK in the intermediolateral cell column (IMC) of the T4~7 thoracic spinal regions, blood epinephrine levels, and blood pressure were evaluated following the administration of glutamate and/or SNP. SNP-induced hypotension led to increased pERK expression in the medial vestibular nucleus (MVN), rostral ventrolateral medullary nucleus (RVLM) and the IMC, as well as increased blood epinephrine levels. We co-administered either a glutamate receptor agonist or a glutamate receptor antagonist to the MVN or the RVLM. The administration of the glutamate receptor agonists, AMPA or NMDA, to the MVN or RVLM led to elevated blood pressure, increased pERK expression in the IMC, and increased blood epinephrine levels. Administration of the glutamate receptor antagonists, CNQX or MK801, to the MVN or RVLM attenuated the increased pERK expression and blood epinephrine levels caused by SNP-induced hypotension. These results suggest that two components of the pathway which maintains blood pressure are involved in the VSR induced by SNP. These are the neurogenic control of blood pressure via the RVLM and the humoral control of blood pressure via epinephrine release from the adrenal medulla. PMID- 29200912 TI - Biphasic augmentation of alpha-adrenergic contraction by plumbagin in rat systemic arteries. AB - Plumbagin, a hydroxy 1,4-naphthoquinone compound from plant metabolites, exhibits anticancer, antibacterial, and antifungal activities via modulating various signaling molecules. However, its effects on vascular functions are rarely studied except in pulmonary and coronary arteries where NADPH oxidase (NOX) inhibition was suggested as a mechanism. Here we investigate the effects of plumbagin on the contractility of skeletal artery (deep femoral artery, DFA), mesenteric artery (MA) and renal artery (RA) in rats. Although plumbagin alone had no effect on the isometric tone of DFA, 1 uM phenylephrine (PhE)-induced partial contraction was largely augmented by plumbagin (DeltaTPlum, 125% of 80 mM KCl-induced contraction at 1 uM). With relatively higher concentrations (>5 uM), plumbagin induced a transient contraction followed by tonic relaxation of DFA. Similar biphasic augmentation of the PhE-induced contraction was observed in MA and RA. VAS2870 and GKT137831, specific NOX4 inhibitors, neither mimicked nor inhibited DeltaTPlum in DFA. Also, pretreatment with tiron or catalase did not affect DeltaTPlum of DFA. Under the inhibition of PhE-contraction with L-type Ca2+ channel blocker (nifedipine, 1 uM), plumbagin still induced tonic contraction, suggesting Ca2+-sensitization mechanism of smooth muscle. Although DeltaTPlum was consistently observed under pretreatment with Rho A-kinase inhibitor (Y27632, 1 uM), a PKC inhibitor (GF 109203X, 10 uM) largely suppressed DeltaTPlum. Taken together, it is suggested that plumbagin facilitates the PKC activation in the presence of vasoactive agonists in skeletal arteries. The biphasic contractile effects on the systemic arteries should be considered in the pharmacological studies of plumbagin and 1,4-naphthoquinones. PMID- 29200913 TI - Developmental changes in GABAA tonic inhibition are compromised by multiple mechanisms in preadolescent dentate gyrus granule cells. AB - The sustained tonic currents (Itonic) generated by gamma-aminobutyric acid A receptors (GABAARs) are implicated in diverse age-dependent brain functions. While various mechanisms regulating Itonic in the hippocampus are known, their combined role in Itonic regulation is not well understood in different age groups. In this study, we demonstrated that a developmental increase in GABA transporter (GAT) expression, combined with gradual decrease in GABAAR alpha5 subunit, resulted in various Itonic in the dentate gyrus granule cells (DGGCs) of preadolescent rats. Both GAT-1 and GAT-3 expression gradually increased at infantile (P6-8 and P13-15) and juvenile (P20-22 and P27-29) stages, with stabilization observed thereafter in adolescents (P34-36) and young adults (P41 43). Itonic facilitation of a selective GAT-1 blocker (NO-711) was significantly less at P6-8 than after P13-15. The facilitation of Itonic by SNAP-5114, a GAT-3 inhibitor, was negligible in the absence of exogenous GABA at all tested ages. In contrast, Itonic in the presence of a nonselective GAT blocker (nipecotic acid, NPA) gradually decreased with age during the preadolescent period, which was mimicked by Itonic changes in the presence of exogenous GABA. Itonic sensitivity to L-655,708, a GABAAR alpha5 subunit inverse agonist, gradually decreased during the preadolescent period in the presence of NPA or exogenous GABA. Finally, Western blot analysis showed that the expression of the GABAAR alpha5 subunit in the dentate gyrus gradually decreased with age. Collectively, our results suggested that the Itonic regulation of altered GATs is under the final tune of GABAAR alpha5 subunit activation in DGGCs at different ages. PMID- 29200914 TI - A new species of Hyalella from the High Andes of Ecuador (Crustacea, Amphipoda, Hyalellidae). AB - Hyalella cajasisp. n. is described from high altitude shallow water lakes in southern Ecuador. This is the second representative of the genus recorded in the country after H. meinerti. The new species shares with nine South American species of the genus the display of a smooth, non-processiferous body, a male first uropod with a modified curved robust seta on the endopod, and six pairs of sternal gills. The new taxon can be distinguished from these species based on the presence/absence of eyes; relative length of antenna 1 with respect to antenna 2; presence/absence of short pointed robust seta distally on palp of maxilla 1; number of pappose setae proximally on medial margin of inner lobe of maxilla 2; elongation and curvature of the modified robust seta of endopod of male uropod 1; relative length of ramus of uropod 3 with respect to protopod; and armature and outline of telson, among other features. It seems to be a high-altitude endemic to the Cajas Massif in Azuay Province, being replaced in the same area at lower altitudes by H. meinerti. PMID- 29200915 TI - Updated catalogue and taxonomic notes on the Old-World scorpion genus Buthus Leach, 1815 (Scorpiones, Buthidae). AB - Since the publication of the ground-breaking "Catalogue of the scorpions of the world (1758-1998)" (Fet et al. 2000) the number of species in the scorpion genus Buthus Leach, 1815 has increased 10-fold, and this genus is now the fourth largest within the Buthidae, with 52 valid named species. Here we revise and update the available information regarding Buthus. A new combination is proposed: Buthus halius (C. L. Koch, 1839), comb. n. from Portugal and Spain. B. halius is removed from junior synonymy with Buthus occitanus (Amoreux, 1789), and proposed as a senior synonym of B. ibericus Lourenco & Vachon, 2004, syn. n. Moreover, following I.C.Z.N. article 23.9.2 we propose to maintain as valid B. ibericus(nomen protectum) and to consider the disued B. halius as a nomen oblitum . Buthus europaeus tridentatus Franganillo, 1918 is proposed as a junior synonym of B. occitanus (Amoreux, 1789), syn. n.Buthus sabulicola Touloun, 2012 is proposed as a junior synonym of Buthus bonito Lourenco & Geniez, 2005, syn. n.Buthus occitanus tunetanus neeli Gysin, 1969 is proposed as an informal senior synonym of Buthus tassili Lourenco, 2002, informal syn. n. Two taxa are rised to species rank, Buthus nigrovesiculosus Hirst, 1925, stat. n. and Buthus parroti Vachon, 1949, stat. n.. We further confirm the restricted distribution of B. occitanus that is confined to southeastern France and northwestern Iberian Peninsula and does not occur in North Africa. Additionally, Androctonus barbouri (Werner, 1932), comb. n. from the Agadir region of Morocco, is hereby transferred to the genus Androctonus. We summarize and provide a critical appraisal of the diagnostic characters currently in use for the genus. The catalogue section considers the names for species, subspecies and varieties that have been used for Buthus scorpions. Information about types, including collection numbers and localities are included when available. Finally, an annotated listing of synonymies and an updated bibliography are given. PMID- 29200916 TI - Study on Tullbergiidae of Tibet, China I. Metaphorura, Mesaphorura and Prabhergia (Hexapoda, Collembola). AB - The Tullbergiidae of Tibet is studied for the first time and the genus Metaphorura Bagnall, 1936 is firstly recorded in China. Metaphorura motuoensissp. n. from southeastern Tibet is described and illustrated. It is characterized by the presence of 1+1 pseudocelli on thoracic segment I, few vesicles (14 -16) on PAO, pseudocellar formula as 11/111/11111, all pseudocelli of type II, setae p4 on abdominal segment V as microsetae, weakly differentiated sensory seta p3 on abdominal segment V, absence of median process on Abd VI. In addition, Mesaphorura yosii (Rusek, 1967), Mesaphorura hylophila Rusek, 1982, and Prabhergia imadatei Tamura & Zhao, 1996 are recorded in Tibet for the first time. The type specimens of P. imadatei are re-examined and errors in the original description of chaetotaxy are corrected. PMID- 29200917 TI - First report of the leaf-mining genus Antispila Hubner, [1825] from mainland China, with the description of a new species feeding on Cornus (Lepidoptera, Heliozelidae). AB - The genus Antispila Hubner, [1825] is newly recorded from mainland China. Antispila sinensissp. n., the first formally named Heliozelidae species in mainland China, is described. The host plant of the new species, Cornus walteri Wangerin (Cornaceae), is widespread through east Asia and is used as a shade tree in city parks in Jinan City, where the moth causes damage to foliage. Morphological and molecular analyses distinguish A. sinensissp. n. from its close relatives. The adult, pupa, larva, host plant, leaf-mines, and the shield of the new species are illustrated, as are male and female genitalia, venation, and larval chaetotaxy. DNA barcodes of the new species are also provided. PMID- 29200918 TI - A new subspecies of sea snake, Hydrophis platurus xanthos, from Golfo Dulce, Costa Rica. AB - We describe a distinctive new subspecies of sea snake from the occasionally anoxic inner-basin waters of Golfo Dulce, Costa Rica, based on combined data garnered between 2010 and 2017 for 154 specimens, 123 free-ranging and 31 museum held. The yellow sea snake, Hydrophis platurus xanthos Bessesen & Galbreath, subsp. n., is diagnosed by a notably smaller body size and nearly uniform yellow coloration, which contrasts with the black and yellow striae and tail spots or bands typical of the species. Within the modest geographic range (circa 320 km2), nearly all specimens possess both diagnostic character states. Bathymetrics appear to restrict genetic flow between this allopatric population and conspecifics in the broader Eastern Pacific. In perspicuous contrast to typical H. platurus, H. p. xanthos shows no association with drift lines, and feeds at night in turbulent waters, assuming a sinusoidal ambush posture never previously reported for the species. This evolutionarily significant unit (ESU) warrants taxonomic recognition and active protection. PMID- 29200919 TI - Sexual morphs of Pterocomma tremulae Borner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. AB - Paper presents the first description of the so far unknown sexual generation of Pterocomma tremulae (Aphididae, Aphidinae): oviparous female and alate male. It also provides detailed description of the male reproductive system. Discussion focuses on comparative analysis of male reproductive system with other aphid groups and possible importance of its structure in resolving phylogenetic interrelationships within the genus Pterocomma. A key is provided to the known males of European Pterocomma species. PMID- 29200920 TI - A monograph of the Australopacific Saprininae (Coleoptera, Histeridae). AB - The Australopacific Saprininae, containing twelve genera and forty species, are reviewed, illustrated and keyed to genera and species. Two new genera, Australopachylopusgen. n. (New Zealand, type species Saprinus lepidulus Broun, 1881) and Iridoprinusgen. n. (Australia, type species I. myrmecophilussp. n.) and four new species: Saprinus (Saprinus) rarus sp. n. (Australia), Saprinus (Saprinus) chathamensis sp. n. (Chatham Islands, New Zealand), Saprinus (Saprinus) pseudodetritus sp. n. (Chatham Islands, New Zealand) and Saprinus (Saprinus) pacificus sp. n. (Kiribati) are described. The Saprininae fauna of the Australopacific Region is a mixture of northern invaders that most likely arrived to the region in early Cenozoic by 'island hopping' from north (Hypocaccus, Hypocacculus, several Saprinus) and truly autochthonous taxa either with uncertain phylogenetic affinities (Iridoprinusgen. n., Saprinodes Lewis, 1891, Reichardtia Wenzel, 1944, Australopachylopusgen. n.), primitive Australopacific endemics (e.g. Tomogenius Marseul, 1862) or presumed relicts (several species of Saprinus Erichson, 1834). Several Saprininae taxa (Chalcionellus aeneovirens (Schmidt, 1890); (Gnathoncus rotundatus (Kugelann, 1792); G. communis (Marseul, 1862); Euspilotus (Neosaprinus) rubriculus (Marseul, 1855); Hypocaccus (Nessus) interpunctatus interpunctatus (Schmidt, 1885); Saprinus (S.) chalcites (Illiger, 1807) and Saprinus (S.) cupreus Erichson, 1834)) were introduced into the region with human activity. We report the first cases of myrmecophily (Iridoprinus myrmecophilusgen. et sp. n.) and termitophily (Saprinus rarussp. n.) in the Saprininae from the Australopacific Region. Lectotypes and paralectotypes of the following taxa are designated herein: Saprinus amethystinus Lewis, 1900, Saprinus apricarius Erichson, 1834, Saprinus artensis Marseul, 1862, Saprinus auricollis Marseul, 1855, Saprinus australasiae Blackburn, 1903, Saprinus bistrigifrons Marseul, 1855, Saprinus certus Lewis, 1888, Saprinus communis Marseul, 1862, Saprinus cupreus Erichson, 1834, Saprinus cyanellus Marseul, 1855, Hister cyaneus Fabricius, 1775, Saprinus dentipes Marseul, 1855, Saprinus desbordesi Auzat, 1916, Saprinus gayndahensis MacLeay, 1871, Saprinus hyla Marseul, 1864, Saprinus incisisternus Marseul, 1862, Saprinus incisus Erichson, 1842, Saprinus irinus Marseul, 1862, Saprinus laetus Erichson, 1834, Saprinus lepidulus Broun, 1881, Saprinus mastersii MacLeay, 1871, Saprinus nitiduloides Fairmaire, 1883, Saprinus pedator Sharp, 1876, Saprinus pseudocyaneus White, 1846, Saprinus rubriculus Marseul, 1855, Saprinus sinae Marseul, 1862, Saprinus tasmanicus Marseul, 1855, Saprinus tyrrhenus Blackburn, 1903, Saprinus varians Schmidt, 1890, Saprinus vernulus Blackburn, 1903, Saprinus viridanus Lewis, 1899, Saprinus viridipennis Lewis, 1901, and Saprinus westraliensis Blackburn, 1903. The synonymy of Saprinus tyrrhenus Blackburn, 1903 is revoked and the species is considered as valid (stat. n.). Seven new synonymies are proposed: Saprinus gayndahensis MacLeay, 1871 = Saprinus laetus Erichson, 1834 syn. n., Saprinus pseudocyaneus White, 1846 = Saprinus laetus Erichson, 1834 syn. n., Saprinus mastersii MacLeay, 1871 = Saprinus laetus Erichson, 1834 syn. n., Saprinus dentipes Marseul, 1855 = Hypocaccus (Baeckmanniolus) gaudens (J.L. LeConte, 1851) syn. n., Hypocaccus (Hypocaccus) vernulus (Blackburn, 1903) = Hypocaccus (Hypocaccus) sinae (Marseul, 1862) syn. n., Saprinus (Saprinus) lindrothi Dahlgren, 1968 = Saprinus (Saprinus) prasinus Erichson, 1834 syn. n., and Saprinus (Saprinus) certus Lewis, 1888 = Saprinus (Saprinus) frontistrius Marseul, 1855 syn. n. The following new records are: Euspilotus (Neosaprinus) rubriculus (Marseul, 1855) (= Saprinus gnathoncoides Bickhardt, 1909) (Australia), Saprinus (Saprinus) laetus Erichson, 1834 (Lord Howe Island) and Saprinus (Saprinus) cyaneus cyaneus (Fabricius, 1775) (Lord Howe Island and Fiji). PMID- 29200921 TI - New species and new records of earthworms of the genus Drawida from Kerala part of the Western Ghats biodiversity hotspot, India (Oligochaeta, Moniligastridae). AB - Two new species of Drawida Michaelsen, 1900, namely Drawida polydiverticulata Narayanan & Julka, sp. n. and Drawida thomasi Narayanan & Julka, sp. n., are described from material collected from the Indian state of Kerala, which lies in the Western Ghats biodiversity hotspot. Drawida elegans Rao, 1921, Drawida kanarensis Stephenson, 1917, Drawida modesta Rao, 1921, Drawida somavarpatana Rao, 1921, and Drawida thurstoni Gates, 1945 are recorded for the first time from the state. PMID- 29200922 TI - The Orthoptera of Castro Verde Special Protection Area (Southern Portugal): new data and conservation value. AB - With the increasing awareness of the need for Orthoptera conservation, greater efforts must be gathered to implement specific monitoring schemes. Despite recent surveys, little is known about Portuguese Orthoptera populations. This study was performed in 2014 and 2015 mainly in Castro Verde Special Protection Area (SPA), southern Portugal, and is the first Orthoptera inventory conducted in the area. A total of 35 Orthoptera species was recorded, with two new species reported for Portugal. We provide species' habitat occurrences within the protected area and use information on the conservation status and the Iberian distribution of each documented species to discuss the importance of Castro Verde SPA for Orthoptera conservation. The data presented here sheds new light on Castro Verde SPA biodiversity and emphasizes the inclusion of this area in the conservation of Orthoptera diversity, particularly in the protection of threatened endemic species. PMID- 29200923 TI - An annotated and illustrated checklist of Microgastrinae wasps (Hymenoptera, Braconidae) from the Canadian Arctic Archipelago and Greenland. AB - The Microgastrinae (Hymenoptera: Braconidae) from ten islands of the Canadian Arctic Archipelago (CAA) and Greenland were studied based on 2,183 specimens deposited in collections. We report a total of 33 species in six genera, more than doubling the totals previously known. Most of the species (75.7%) have a distribution restricted to the Nearctic, with nine of those (27.3%) confirmed to be High Arctic endemics and another 10 species considered very likely to be High Arctic endemics as well - accounting for all of those, more than half of all species found are endemic to the region. The most diverse genera were Cotesia (10 species), Glyptapanteles (9 species), and Microplitis (7 species), representing 78.8% of the overall species diversity in the region. The six most frequently collected species comprised 84.7% of all examined specimens. The flight period for Microgastrinae in the High Arctic encompasses only two months, with activity peaking during the first half of July, when almost 40% of all available specimens were collected, and then plummeting in the first half to the end of August. Microgastrinae wasps from the High Arctic are currently known to parasitize eight species within four families of Lepidoptera: three species of Noctuidae, two each of Lymantridae and Nymphalidae, and one species of Pterophoridae. However, that information is very preliminary, as only six of the 33 species of microgastrines currently have associated host data. An annotated checklist, including photographs for 24 of the 33 species, is provided, as well as a key to all Microgastrinae genera present in the region. PMID- 29200924 TI - Checklist of the flower flies of Ecuador (Diptera, Syrphidae). AB - Syrphidae is one of the most speciose families of true flies, with more than 6,100 described species and worldwide distribution. They are important for humans acting as crucial pollinators, biological control agents, decomposers, and bioindicators. One third of its diversity is found in the Neotropical Region, but the taxonomic knowledge for this region is incomplete. Thus, taxonomic revisions and species checklists of Syrphidae in the Neotropics are the highest priority for biodiversity studies. Therefore, we present the first checklist of Syrphidae for Ecuador based on literature records, and provide as well the original reference for the first time species citations for the country. A total of 201 species were recorded for Ecuador, with more than 600 records from 24 provinces and 237 localities. Tungurahua, Pastaza, and Galapagos were the best sampled provinces. Although the reported Ecuadorian syrphid fauna only comprises 11.2 % of the described Neotropical species, Ecuador has the third highest flower fly diversity density after Costa Rica and Suriname. These data indicate the high species diversity for this country in such small geographic area. PMID- 29200925 TI - Corrigenda: Revision of the Neotropical green lacewing genus Ungla (Neuroptera, Chrysopidae). ZooKeys 674: 1-188. https://doi.org/10.3897/zookeys.674.11435. AB - [This corrects the article DOI: 10.3897/zookeys.674.11435.]. PMID- 29200926 TI - Manual of praying mantis morphology, nomenclature, and practices (Insecta, Mantodea). AB - This study provides a comprehensive review of historical morphological nomenclature used for praying mantis (Mantodea) morphology, which includes citations, original use, and assignment of homology. All referenced structures across historical works correspond to a proposed standard term for use in all subsequent works pertaining to praying mantis morphology and systematics. The new standards are presented with a verbal description in a glossary as well as indicated on illustrations and images. In the vast majority of cases, originally used terms were adopted as the new standard. In addition, historical morphological topographical homology conjectures are considered with discussion on modern interpretations. A new standardized formulation to present foreleg femoral and tibial spines is proposed for clarity based on previous works. In addition, descriptions for methods of collection, curation, genital complex dissection, and labeling are provided to aid in the proper preservation and storage of specimens for longevity and ease of study. Due to the lack of consistent linear morphometric measurement practices in the literature, we have proposed a series of measurements for taxonomic and morphological research. These measurements are presented with figures to provide visual aids with homologous landmarks to ensure compatibility and comparability across the Order. Finally, our proposed method of pinning mantises is presented with a photographical example as well as a video tutorial available at http://mantodearesearch.com. PMID- 29200927 TI - A taxonomic revision of Liogenys occurring in Brazil with an interactive key and remarks on New World Diplotaxini (Coleoptera, Melolonthidae). AB - Liogenys Guerin-Meneville, 1831 is the major genus of Neotropical Diplotaxini, with 78 species distributed from Panama to southern Argentina and Chile, except for Ecuador. Due to the large numbers of both described and undescribed species, as well as its agricultural importance, mainly of those in Brazil, Liogenys was redefined and redescribed. Nine new species are described: L. cavifrons Cherman, sp. n., L. femella Cherman, sp. n., L. piauiensis Cherman, sp. n., L. rotundicollis Cherman, sp. n., L. pseudosanctaecrucis Cherman, sp. n., L. grossii Cherman, sp. n., L. pseudospiniventris Cherman, sp. n., L. sulcoventris Cherman, sp. n., and L. freyi Cherman, sp. n. All the new species are Brazilian, except for the last one, which is Argentinian. Twenty-three Brazilian species are redescribed and illustrated. Five new synonyms are proposed, and 19 lectotypes are designated. New geographical distribution records for 19 species are presented, as well as a key to New World Diplotaxini and Brazilian species of Liogenys. PMID- 29200928 TI - Coelogyne magnifica (Orchidaceae), a new species from northern Myanmar. AB - Coelogyne magnifica (Orchidaceae), a new species from Putao, Kachin State, Myanmar, is described and illustrated. It belongs to Coelogyne section Ocellatae Pfitzer & Kraenzl. and it is morphologically similar to Coelogyne corymbosa and C. taronensis, but can be distinguished from these species by its larger flowers, lanceolate sepals and petals, a narrowly ovate lip, which has two bright yellow patches surrounded by shiny brownish red and two fimbriate or erose-lacerate lateral keels on the lip. The major differences between these species are outlined and discussed. PMID- 29200929 TI - Applications of deep convolutional neural networks to digitized natural history collections. AB - Natural history collections contain data that are critical for many scientific endeavors. Recent efforts in mass digitization are generating large datasets from these collections that can provide unprecedented insight. Here, we present examples of how deep convolutional neural networks can be applied in analyses of imaged herbarium specimens. We first demonstrate that a convolutional neural network can detect mercury-stained specimens across a collection with 90% accuracy. We then show that such a network can correctly distinguish two morphologically similar plant families 96% of the time. Discarding the most challenging specimen images increases accuracy to 94% and 99%, respectively. These results highlight the importance of mass digitization and deep learning approaches and reveal how they can together deliver powerful new investigative tools. PMID- 29200930 TI - Survey on synergism effect of ketotifen in combination with pyrimethamine in treatment of acute murine toxoplasmosis. AB - Background: Standard treatment of toxoplasmosis is accompanied by severe side effects and low tolerability; accordingly, alternative medicines are critically needed. Ketotifen (KET) as a cell membrane stabilizer could be an appropriate inhibitor of Toxoplasma gondii (T. gondii) parasite entrance into the host cells. Therefore, the focus of current study is characterization of the anti-Toxoplasma activity of KET in the acute phase of toxoplasmosis in murine model as pre treatment and post-treatment (before and after infection with RH strain). KET was used intraperitoneally both individually (2 and 3 mg/kg/day) and in combination with pyrimethamine (PYR) (50 mg/kg/day). One week after the post infection, DNA was extracted from brain biopsies samples. Parasite load was calculated using Quantitative-PCR (Q-PCR) in a triplicate reaction for each DNA with the target for at RE (a 529 bp repeat element) gene. Results: A significant difference between KET and control groups was observed (P < 0.001) in the pre-treatment and post-treatment groups. Both KET and the combination of KET and PYR showed a reduction in the parasite load in brain through the acute phase of the infection. 2 mg/kg/day dose of KET resulted in higher anti-Toxoplasma activity (15,698 parasites/ml) compared to 3 mg/kg/day dose of KET (72,898 parasites/ml) in brain in the pre-treatment group. In addition, KET combined with PYR significantly decreased the parasite load in the post-treatment group. Conclusions: Our results indicated that KET has both prophylactic and therapeutic effects on acute phases of the disease. PMID- 29200931 TI - Systematic review of early risk factors for life-course-persistent, adolescence limited, and late-onset offenders in prospective longitudinal studies. AB - This paper builds on our previous systematic review of prospective longitudinal studies and examines the early risk factors associated with life-course persistent offending (LCP), adolescence-limited (AL) and late-onset (LO) offending. Out of the 55 prospective longitudinal studies which theoretically could possess the relevant information, only four provided information about risk factors associated with the different offending types. An additional three provided data so that relevant analyses could be conducted. The results suggested that there was little evidence that specific early risk factors were associated with specific offending types. There was also limited evidence that specific risk factors predicted specific offending types when criminal career duration was included in the definitions of LCP, AL, and LO offending. However, LCP offenders tended to have a greater number of risk factors, and the magnitude of these was somewhat greater than for AL offenders, who in turn tended to have more risk factors (and of a greater magnitude) than LO offenders. LCP and AL offenders may differ more in degree (in the number and magnitude of risk factors) than in kind (in the specific risk factors that are predictive). Importantly, as the potential criminal career duration was increased in defining the offending types, those with longer careers tended to have more risk factors, but, LCP and AL offenders were not predicted by different risk factors. Much more research is needed on risk factors for offending types defined according to criminal career durations. PMID- 29200932 TI - Introduction of a new platform for parameter estimation of kinetically complex environmental systems. AB - A modeling framework (ReKinSim - Reaction Kinetics Simulator) is introduced, within which biogeochemical reactions in environmental systems can be described and inversely fitted to experimental data. Three key features of this simulation environment are: (1) a generic mathematical tool for solving sets of unlimited, arbitrary, non-linear ordinary differential equations; (2) no limitation to the number or type of reactions or other influential dynamics (e.g., isotope fractionation or small-scale mass-transfer limitations); (3) an easy to use and flexible module for nonlinear data-fitting. It allows users to easily define any kinetic model by a set of biogeochemical reactions relevant to the experimental application and to obtain the values of the kinetic parameters by fitting of the model to data. By allowing users to include the environmentally related processes and solving them along with the chemical kinetics, ReKinSim helps the user to elucidate the extent that these processes are controlled by factors other than kinetics. The novelty of the presented program primary lays in its unique combination of flexibility, computational efficiency and user-friendliness. ReKinSim's usability is showcased by four case studies of varying complexity, and compared against a set of currently available modeling tools. PMID- 29200934 TI - Sparse graphs using exchangeable random measures. AB - Statistical network modelling has focused on representing the graph as a discrete structure, namely the adjacency matrix. When assuming exchangeability of this array-which can aid in modelling, computations and theoretical analysis-the Aldous-Hoover theorem informs us that the graph is necessarily either dense or empty. We instead consider representing the graph as an exchangeable random measure and appeal to the Kallenberg representation theorem for this object. We explore using completely random measures (CRMs) to define the exchangeable random measure, and we show how our CRM construction enables us to achieve sparse graphs while maintaining the attractive properties of exchangeability. We relate the sparsity of the graph to the Levy measure defining the CRM. For a specific choice of CRM, our graphs can be tuned from dense to sparse on the basis of a single parameter. We present a scalable Hamiltonian Monte Carlo algorithm for posterior inference, which we use to analyse network properties in a range of real data sets, including networks with hundreds of thousands of nodes and millions of edges. PMID- 29200933 TI - Dimensions of biodiversity loss: Spatial mismatch in land-use impacts on species, functional and phylogenetic diversity of European bees. AB - Aim: Agricultural intensification and urbanization are important drivers of biodiversity change in Europe. Different aspects of bee community diversity vary in their sensitivity to these pressures, as well as independently influencing ecosystem service provision (pollination). To obtain a more comprehensive understanding of human impacts on bee diversity across Europe, we assess multiple, complementary indices of diversity. Location: One Thousand four hundred and forty six sites across Europe. Methods: We collated data on bee occurrence and abundance from the published literature and supplemented them with the PREDICTS database. Using Rao's Quadratic Entropy, we assessed how species, functional and phylogenetic diversity of 1,446 bee communities respond to land use characteristics including land-use class, cropland intensity, human population density and distance to roads. We combined these models with statistically downscaled estimates of land use in 2005 to estimate and map-at a scale of approximately 1 km2-the losses in diversity relative to semi natural/natural baseline (the predicted diversity of an uninhabited grid square, consisting only of semi-natural/natural vegetation). Results: We show that relative to the predicted local diversity in uninhabited semi-natural/natural habitat-half of all EU27 countries have lost over 10% of their average local species diversity and two-thirds of countries have lost over 5% of their average local functional and phylogenetic diversity. All diversity measures were generally lower in pasture and higher-intensity cropland than in semi natural/natural vegetation, but facets of diversity showed less consistent responses to human population density. These differences have led to marked spatial mismatches in losses: losses in phylogenetic diversity were in some areas almost 20 percentage points (pp.) more severe than losses in species diversity, but in other areas losses were almost 40 pp. less severe. Main conclusions: These results highlight the importance of exploring multiple measures of diversity when prioritizing and evaluating conservation actions, as species-diverse assemblages may be phylogenetically and functionally impoverished, potentially threatening pollination service provision. PMID- 29200935 TI - Was the Mw 7.5 1952 Kern County, California, earthquake induced (or triggered)? AB - Several recent studies have presented evidence that significant induced earthquakes occurred in a number of oil-producing regions during the early and mid-twentieth century related to either production or wastewater injection. We consider whether the 21 July 1952 Mw 7.5 Kern County earthquake might have been induced by production in the Wheeler Ridge oil field. The mainshock, which was not preceded by any significant foreshocks, occurred 98 days after the initial production of oil in Eocene strata at depths reaching 3 km, within ~1 km of the White Wolf fault (WWF). Based on this spatial and temporal proximity, we explore a potential causal relationship between the earthquake and oil production. While production would have normally be expected to have reduced pore pressure, inhibiting failure on the WWF, we present an analytical model based on industry stratigraphic data and best estimates of parameters whereby an impermeable splay fault adjacent to the main WWF could plausibly have blocked direct pore pressure effects, allowing the poroelastic stress change associated with production to destabilize the WWF, promoting initial failure. This proof-of-concept model can also account for the 98-day delay between the onset of production and the earthquake. While the earthquake clearly released stored tectonic stress, any initial perturbation on or near a major fault system can trigger a larger rupture. Our proposed mechanism provides an explanation for why significant earthquakes are not commonly induced by production in proximity to major faults. PMID- 29200936 TI - Dynamical boson stars. AB - The idea of stable, localized bundles of energy has strong appeal as a model for particles. In the 1950s, John Wheeler envisioned such bundles as smooth configurations of electromagnetic energy that he called geons, but none were found. Instead, particle-like solutions were found in the late 1960s with the addition of a scalar field, and these were given the name boson stars. Since then, boson stars find use in a wide variety of models as sources of dark matter, as black hole mimickers, in simple models of binary systems, and as a tool in finding black holes in higher dimensions with only a single Killing vector. We discuss important varieties of boson stars, their dynamic properties, and some of their uses, concentrating on recent efforts. PMID- 29200937 TI - Diverse modes of reactivity of 6-(chloromethyl)-6-methylfulvene. AB - The title compound exhibits a number of reactivities toward nucleophiles/bases owing to the presence of several electrophilic and potentially nucleophilic sites in the molecule. We explored the reactions of 6-(chloromethyl)-6-methylfulvene with oxygen- and nitrogen nucleophiles and bases as well as a carbon-based nucleophile (an enamine) and realized all possible reactivity modes predicted on the basis of electrophilic and nucleophilic positions in this compound. PMID- 29200938 TI - Cyclopentadienones via a tandem C-cyclopropylnitrone cyclization-cycloreversion sequence. AB - Aldonitrones derived from spiro[2.4]hepta-4,6-diene-1-carbaldehyde and its benzo analog undergo a tandem uncatalyzed intramolecular cyclopropane-nitrone cyclization-5,6-dihydro-1,2-oxazine cycloreversion to give cyclopentadienones. Similarly, the NH-nitrone generated in situ from spiro[cyclopropane-1,1' indene]carbaldehyde oxime leads to benzocyclopentadienone (1H-inden-1-one) by the same mechanism. DFT calculations are in favor of a concerted yet highly asynchronous pathway for the cyclizations. Control experiments with the dihydro and tetrahydro derivatives show that the spirocyclopentadiene unit is essential for the success of the reaction, invoking spiroconjugative effects for increased cyclopropane reactivity. PMID- 29200939 TI - Photochemical Properties and Structure-Activity Relationships of RuII Complexes with Pyridylbenzazole Ligands as Promising Anticancer Agents. AB - Ruthenium complexes capable of light-triggered cytotoxicity are appealing potential prodrugs for photodynamic therapy (PDT) and photoactivated chemotherapy (PACT). Two groups of Ru(II) polypyridyl complexes with 2-(2-pyridyl)-benzazole ligands were synthesized and investigated for their photochemical properties and anticancer activity to compare strained and unstrained systems that are likely to have different biological mechanisms of action. The structure-activity relationship was focused on the benzazole core bioisosterism and replacement of coligands in Ru(II) complexes. Strained compounds rapidly ejected the 2-(2 pyridyl)-benzazole ligand after light irradiation, and possessed strong toxicity in the HL-60 cell line both under dark and light conditions. In contrast, unstrained Ru(II) complexes were non-toxic in the absence of light, induced cytotoxicity at nanomolar concentrations after light irradiation, and are capable of light-induced DNA damage. The 90-220-fold difference in light and dark IC50 values provides a large potential therapeutic window to allow for selective targeting of cells by exposure to light. PMID- 29200940 TI - Palatini wormholes and energy conditions from the prism of general relativity. AB - Wormholes are hypothetical shortcuts in spacetime that in general relativity unavoidably violate all of the pointwise energy conditions. In this paper, we consider several wormhole spacetimes that, as opposed to the standard designer procedure frequently employed in the literature, arise directly from gravitational actions including additional terms resulting from contractions of the Ricci tensor with the metric, and which are formulated assuming independence between metric and connection (Palatini approach). We reinterpret such wormhole solutions under the prism of General Relativity and study the matter sources that thread them. We discuss the size of violation of the energy conditions in different cases and how this is related to the same spacetimes when viewed from the modified gravity side. PMID- 29200943 TI - Cancer-related post-treatment pain and its impact on health-related quality of life in breast cancer patients: a cross sectional study in Palestine. AB - Background: Post-treatment pain has been suggested as an important indicator for health-related quality of life (HRQOL) in patients with breast cancer. Therefore, this study was performed to examine the association between pain and its impact on HRQOL among breast cancer patients in Palestine. Also, this study aimed to determine the QOL profile for breast cancer patients and stated the factors associated with QOL. Methods: A correlational cross-sectional study was conducted from May 2016 to November 2016 at Al-Watani Hospital and An-Najah National University Hospital in the Nablus district in Palestine. The five-level EuroQol five-dimensional instrument (EQ-5D-5L) was used to examine HRQOL. Pain severity and interference were assessed using the Brief Pain Inventory (BPI). Multiple linear regression analysis was performed to determine the most important variables related with HRQOL. Results: One hundred and seventy patients were involved in this study. Overall, all participants were female, with a mean +/- SD for age of 51.71 +/- 11.11 years. The reported HRQOL of this study was measured by using the median EQ-5D-5L index score, which was 0.67 (interquartile range: 0.51-0.84). There were moderate negative correlations between EQ-5D-5L index score and pain severity score (r = - 0.58, p value < 0.001), and pain interference score (r = - 0.604, p-value < 0.001). Furthermore, univariate analysis showed that age, marital status, employment status, income, current condition of cancer, and post-treatment pain were associated with quality of life (p-value < 0.05). Regression analysis revealed that patients with high income (p value = 0.003), patients with lower pain severity score (p-value < 0.001), and lower pain interference score (p-value = 0.018) were independently associated with high QOL. Conclusions: This is the first study to present important data regarding QOL by using the EQ-5D-5L instruments that may help healthcare providers to identify patients at risk of low QOL. Healthcare providers and health strategy makers should be alerted to low level HRQOL among breast cancer patients with low income level, patients with post-treatment pain, especially in the state of severe pain, and the state of pain interfering with daily life to improve their HRQOL. PMID- 29200945 TI - Ulcer Prevention Effect Of 3,4,5-Tihydroxy-N0-[(2-Methyl-1H-Indol 3yl)Methylidene]Benzohydrazide In HCl/Ethanol-Induced Gastric Mucosal Damage In Rats. AB - The newly synthesized, 3,4,5-Trihydroxy-N 0-[(2-methyl-1H-indol-3-yl) methylidene] benzohydrazide (TIBH), is an indole and gallic acid derivative. The aim of this research investigation was to evaluate the acute toxicity and the ulcer prevention potential of TIBH in HCl/Ethanol-induced gastric ulcer rat model. Six groups of rats were orally received 5ml/kg of vehicle (1 % Carboxy methyl cellulose) for the normal and ulcer control groups each, Omeprazole (20mg/kg) for positive control, 50 mg/kg, 100 mg/kg and 200 mg/kg of TIBH for experimental groups, respectively. After one hour, instead of rats in the normal group which received 5ml/kg of 1% CMC, other groups received 5ml/kg of HCl/Ethanol. All rats were sacrificed after one additional hour. Gastric juice, gastric mucosa, morphologies of gastric ulcers and protein expressions of both control and treatment groups were evaluated. TIBH showed a ulcer prevention potential by increase of the mucus secretion, decrease of the gastric acidity, up regulation of HSP70 protein, down-regulation of Bax protein, decrease of the lipid peroxidation and the increase of the Superoxide dismutase (SOD) activity in gastric tissue homogenate. Acute toxicity assay exposed valuable information on the safety of this compound. TIBH had a dose dependent ulcer prevention potential against HCl/Ethanol-triggered gastric ulcer. PMID- 29200944 TI - Cost Utility Analysis of Cervical Therapeutic Medial Branch Blocks in Managing Chronic Neck Pain. AB - Background: Controlled diagnostic studies have established the prevalence of cervical facet joint pain to range from 36% to 67% based on the criterion standard of >= 80% pain relief. Treatment of cervical facet joint pain has been described with Level II evidence of effectiveness for therapeutic facet joint nerve blocks and radiofrequency neurotomy and with no significant evidence for intraarticular injections. However, there have not been any cost effectiveness or cost utility analysis studies performed in managing chronic neck pain with or without headaches with cervical facet joint interventions. Study Design: Cost utility analysis based on the results of a double-blind, randomized, controlled trial of cervical therapeutic medial branch blocks in managing chronic neck pain. Objectives: To assess cost utility of therapeutic cervical medial branch blocks in managing chronic neck pain. Methods: A randomized trial was conducted in a specialty referral private practice interventional pain management center in the United States. This trial assessed the clinical effectiveness of therapeutic cervical medial branch blocks with or without steroids for an established diagnosis of cervical facet joint pain by means of controlled diagnostic blocks. Cost utility analysis was performed with direct payment data for the procedures for a total of 120 patients over a period of 2 years from this trial based on reimbursement rates of 2016. The payment data provided direct procedural costs without inclusion of drug treatments. An additional 40% was added to procedural costs with multiplication of a factor of 1.67 to provide estimated total costs including direct and indirect costs, based on highly regarded surgical literature. Outcome measures included significant improvement defined as at least a 50% improvement with reduction in pain and disability status with a combined 50% or more reduction in pain in Neck Disability Index (NDI) scores. Results: The results showed direct procedural costs per one-year improvement in quality adjusted life year (QALY) of United States Dollar (USD) of $2,552, and overall costs of USD $4,261. Overall, each patient on average received 5.7 +/- 2.2 procedures over a period of 2 years. Average significant improvement per procedure was 15.6 +/- 12.3 weeks and average significant improvement in 2 years per patient was 86.0 +/- 24.6 weeks. Limitations: The limitations of this cost utility analysis are that data are based on a single center evaluation. Only costs of therapeutic interventional procedures and physician visits were included, with extrapolation of indirect costs. Conclusion: The cost utility analysis of therapeutic cervical medial branch blocks in the treatment of chronic neck pain non-responsive to conservative management demonstrated clinical effectiveness and cost utility at USD $4,261 per one year of QALY. PMID- 29200946 TI - Combined Hemorrhagic Shock and Unilateral Common Carotid Occlusion Induces Neurological Injury in Adult Male Rats. AB - Background: Clinical assessment reveals that patients after surgery of cardiopulmonary bypass or coronary bypass experience postoperative cognitive dysfunction. This study aimed to investigate whether resuscitation after a hemorrhagic shock (HS) and/or mild cerebral ischemia caused by a unilateral common carotid artery occlusion (UCCAO) can cause brain injury and concomitant neurological dysfunction, and explore the potential mechanisms. Methods: Blood withdrawal (6 mL/100 g body weight) for 60 min through the right jugular vein catheter-induced an HS. Immediately after the termination of HS, we reinfused the initially shed blood volumes to restore and maintain the mean arterial blood pressure (MABP) to the original value during the 30-min resuscitation. A cooling water blanket used to induce whole body cooling for 30 min after the end of resuscitation. Results: An UCCAO caused a slight cerebral ischemia (cerebral blood flow [CBF] 70%) without hypotension (MABP 85 mmHg), systemic inflammation, multiple organs injuries, or neurological injury. An HS caused a moderate cerebral ischemia (52% of the original CBF levels), a moderate hypotension (MABP downed to 22 mmHg), systemic inflammation, and peripheral organs injuries. However, combined an UCCAO and an HS caused a severe cerebral ischemia (18% of the original CBF levels), a moderate hypotension (MABP downed to 17 mmHg), systemic inflammation, peripheral organs damage, and neurological injury, which can be attenuated by whole body cooling. Conclusions: When combined with an HS, an UCCAO is associated with ischemic neuronal injury in the ipsilateral hemisphere of adult rat brain, which can be attenuated by therapeutic hypothermia. A resuscitation from an HS regards as a reperfusion insult which may induce neurological injury in patients with an UCCAO disease. PMID- 29200947 TI - HSPB8 Promotes the Fusion of Autophagosome and Lysosome during Autophagy in Diabetic Neurons. AB - Although autophagy has been proposed to play an emerging role in diabetic neuropathy, autophagy and its possible role remains unclear. Moreover, only few studies about diabetes have explored the autophagy mediated by heat shock protein beta-8 (HSPB8) and Bcl-2 associated athanogene 3 (BAG3). In the present study, we examined the autophagy induced by high glucose levels in an in vivo rat model of diabetes induced by streptozotocin (STZ) and an in vitro model of retinal ganglion cell-5 (RGC5) cells under high glucose conditions. In the spinal cord tissues of the STZ-induced diabetic rats, the levels of light chain 3 (LC3) and Beclin-1-marked autophagy rose with increasing HSPB8 and BAG3 levels. By confocal immunofluorescence, HSPB8 and LC3 were observed to be co-localized in the spinal cord tissues. In the RGC5 cells, high-glucose stimulation upregulated the expression of LC3-II, Beclin-1, and HSPB8 in a dose-dependent manner. When the RGC5 cells were subjected to high-glucose conditions, HSPB8 overexpression, along with upregulated LC3-II and Beclin-1 expression, increased the autophagic rate, whereas siRNA-silenced HSPB8 decreased the autophagic rate. Furthermore, in GFP mRFP-LC3 probe experiments, HSPB8 overexpression promoted autophagosome-lysosome fusion, whereas HSPB8 silencing disrupted this process. In the cells treated with HSPB8 and siRNA, the fusion was impaired, as indicated by the elevated p62 expression. HSPB8 overexpression can partly rescue the blocking of the autophagy flux with chloroquine through the reduction of p62 expression level. Our study demonstrated that HSPB8 is involved in the high glucose-induced autophagy under the in vivo and in vitro conditions and critically participated in the autophagosome-lysosome fusion during the autophagy flux. PMID- 29200950 TI - Isolation and determination of four potential antimicrobial components from Pseudomonas aeruginosa extracts. AB - Background:Pseudomonas aeruginosa can cause disease and also can be isolated from the skin of healthy people. Additionally, it exhibits certain antimicrobial effects against other microorganisms.Methods: We collected 60 strains of P. aeruginosa and screened their antimicrobial effects against Staphylococcus aureus (ATCC 25923) using the filter paper-disk method, the cross-streaking method and the co-culture method and then evaluated the antimicrobial activity of the chloroform-isolated S. aureus extracts against methicillin-resistant S. aureus (MRSA, Gram-positive cocci), vancomycin intermediate-resistant S. aureus (VISA, Gram-positive cocci), Corynebacterium spp. (CS, Gram-positive bacilli), Acinetobacter baumannii (AB, Gram-negative bacilli), Moraxella catarrhalis (MC, Gram-negative diplococcus), Candida albicans (CA, fungi), Candida tropicalis (CT, fungi), Candida glabrata (CG, fungi) and Candida parapsilosis (CP, fungi). Results: The PA06 and PA46 strains have strong antimicrobial effects. High performance liquid chromatography (HPLC) analysis revealed that the major components of PA06 and PA46 that exhibit antimicrobial activity are functionally similar to phenazine-1-carboxylic acid (PCA) and pyocyanin. Preparative HPLC was performed to separate and isolate the 4 major potential antimicrobial components: PA06ER10, PA06ER16, PA06ER23 and PA06ER31. Further, the molecular masses of PA06ER10 (260.1), PA06ER16 (274.1), PA06ER23 (286.1) and PA06ER31 (318.2) were determined by electrospray ionization (ESI) mass spectrometry. Conclusion:P. aeruginosa can produce small molecules with potential antimicrobial activities against MRSA, VISA, CS, MC, CA, CT, CG and CP but not against AB. PMID- 29200948 TI - Peptides as Therapeutic Agents for Dengue Virus. AB - Dengue is an important global threat caused by dengue virus (DENV) that records an estimated 390 million infections annually. Despite the availability of CYD-TDV as a commercial vaccine, its long-term efficacy against all four dengue virus serotypes remains unsatisfactory. There is therefore an urgent need for the development of antiviral drugs for the treatment of dengue. Peptide was once a neglected choice of medical treatment but it has lately regained interest from the pharmaceutical industry following pioneering advancements in technology. In this review, the design of peptide drugs, antiviral activities and mechanisms of peptides and peptidomimetics (modified peptides) action against dengue virus are discussed. The development of peptides as inhibitors for viral entry, replication and translation is also described, with a focus on the three main targets, namely, the host cell receptors, viral structural proteins and viral non structural proteins. The antiviral peptides designed based on these approaches may lead to the discovery of novel anti-DENV therapeutics that can treat dengue patients. PMID- 29200951 TI - The Clinical Usefulness of Measurement of Visceral Fat Area Using Multi-Frequency Bioimpedance: The Association with Cardiac and Renal Function In General Population with Relatively Normal Renal Function. AB - Background: This study was performed to determine the clinical usefulness of measurement of visceral fat area (VFA) using bioimpedance analysis in relation with left ventricular hypertrophy (LVH), diastolic dysfunction parameters, and decreased estimated glomerular filtration rate (eGFR). Methods: A cross-sectional analysis was performed on 1028 patients with eGFR>=60 ml/min/1.73m2, aged 40 - 64 years, and who underwent routine health check-ups. Subjects were divided into tertiles based on their VFA. Associations of VFA with echocardiographic parameters and eGFR were evaluated. Results: Across the VFA teriltes, there was a significant trend for increasing left ventricular mass index (LVMi), left atrial diameter (LAD), and ratio of early mitral inflow velocity to peak mitral annulus velocity (E/E' ratio) and that for decreasing ratio of early to late mitral inflow peak velocities (E/A ratio) and eGFR. In multivariate linear regression analysis, log-transformed VFA was significantly associated with increased LVMi, LAD, and E/E' ratio, and with decreased E/A ratio and eGFR. After adjustment for body mass index, log-transformed VFA remained as a significant determinant for E/A ratio. Conclusion: VFA may be associated with LV structure and diastolic function, and decreased eGFR in middle-aged adults with normal or mildly impaired renal function. PMID- 29200949 TI - Over-expression of Activated Signal Transducer and Activator of Transcription 3 Predicts Poor Prognosis in Upper Tract Urothelial Carcinoma. AB - Background: Signal transducer and activator of transcription proteins (STATs) play important roles in gene regulation, cell proliferation, and cell differentiation. We aimed to establish the relationship between phosphorylated STAT3 (p-Ser-STAT3) expression and the prognosis of upper tract urothelial carcinoma (UTUC). Methods: This study retrospectively reviewed 100 patients with pathologically confirmed UTUC at Kaohsiung Medical University Hospital. We quantified the expression of p-Ser-STAT3 in cancer cells by immunohistochemistry, and determined the clinicopathological significance of p-Ser-STAT3 expression and prognostic outcomes in patients with UTUC. Results: High p-Ser-STAT3 expression was detected in 52% of UTUC patients. High p-Ser-STAT3 expression was associated with poor recurrence-free survival (p = 0.018) and overall survival (p = 0.026). In advanced cancer samples (stage T3/T4), p-Ser-STAT3 expression is the only independent prognostic factor for recurrence-free survival (hazard ratio = 5.91, p = 0.01) and cancer-specific survival (hazard ratio = 8.83, p = 0.039). Conclusions: The expression of p-Ser-STAT3 can be a potential prognostic marker for cancer recurrence and survival in UTUC, especially in advanced stage cases. PMID- 29200952 TI - Prognostic significance of high-mobility group box protein 1 genetic polymorphisms in rheumatoid arthritis disease outcome. AB - Rheumatoid arthritis (RA) is a systemic inflammatory disease that causes chronic inflammation of the joints. Analysis of genetic variants offers promise for guiding treatment and improving outcomes in RA. High-mobility group box protein 1 (HMGB1) is a ubiquitous nuclear protein found in all mammal eukaryotic cells that participates in several biological functions including immune response, cell survival and apoptosis. We investigated the effects of HMGB1 gene polymorphisms on the risk of RA disease progression in a cohort of Chinese Han individuals. Four single nucleotide polymorphisms (SNPs) from the HMGB1 gene were selected and genotyped in 232 patients with RA and 353 healthy controls. We found that having one C allele in rs1360485 and one G allele in rs2249825 polymorphisms lowered the risk of RA in females. Moreover, among healthy controls, those who bore the C/G/T haplotype at SNPs rs1360485, rs2249825 and rs1412125 were at reduced risk of developing RA by 0.13-fold (p <0.05). This is the first report to examine the risk factors associated with HMGB1 SNPs in the development of RA disease in the Chinese Han population. PMID- 29200953 TI - Effects of Osteogenic-Conditioned Medium from Human Periosteum-Derived Cells on Osteoclast Differentiation. AB - Stem/progenitor cell-based regenerative medicine using the osteoblast differentiation of mesenchymal stem cells (MSCs) is regarded as a promising approach for the therapeutic treatment of various bone defects. The effects of the osteogenic differentiation of stem/progenitor cells on osteoclast differentiation may have important implications for use in therapy. However, there is little data regarding the expression of osteoclastogenic proteins during osteoblastic differentiation of human periosteum-derived cells (hPDCs) and whether factors expressed during this process can modulate osteoclastogenesis. In the present study, we measured expression of RANKL in hPDCs undergoing osteoblastic differentiation and found that expression of RANKL mRNA was markedly increased in these cells in a time-dependent manner. RANKL protein expression was also significantly enhanced in osteogenic-conditioned media from hPDCs undergoing osteoblastic differentiation. We then isolated and cultured CD34+ hematopoietic stem cells (HSCs) from umbilical cord blood (UCB) mononuclear cells (MNCs) and found that these cells were well differentiated into several hematopoietic lineages. Finally, we co-cultured human trabecular bone osteoblasts (hOBs) with CD34+ HSCs and used the conditioned medium, collected from hPDCs during osteoblastic differentiation, to investigate whether factors produced during osteoblast maturation can affect osteoclast differentiation. Specifically, we measured the effect of this osteogenic-conditioned media on expression of osteoclastogenic markers and osteoclast cell number. We found that osteoclastic marker gene expression was highest in co-cultures incubated with the conditioned medium collected from hPDCs with the greatest level of osteogenic maturation. Although further study will be needed to clarify the precise mechanisms that underlie osteogenic-conditioned medium-regulated osteoclastogenesis, our results suggest that the osteogenic maturation of hPDCs could promote osteoclastic potential. PMID- 29200954 TI - Reprogramming Factors Remodel Melanoma Cell Phenotype by Changing Stat3 Expression. AB - The limited availability of melanoma stem cells is a major challenge for therapeutic reagent screening and study of molecular mechanisms. It has been shown that induced expression of four stem cell factors (Oct4, Sox2, Klf4, and c Myc) changes the phenotype of osteosarcoma and breast cancer cells to osteosarcoma stem cells and breast cancer stem cells, respectively. The present study aimed to explore whether these four factors might change the phenotype of melanoma cells to melanoma stem cells and, if so, to examine the possible molecular signal involved. Melanoma B16-F10 cells were transfected with the plasmid TetO-FUW-OSKM which contains cDNA expressing four factors, driven by the Tet-On element. We found that expression of the four transcription factors was highly induced by DOX in the stable melanoma cell clones. Further studies confirmed that induced expression of these factors remodeled the phenotype of the melanoma cells to melanoma stem cells (MSCs). This conclusion was supported by the evidence that induced expression of these factors increased the numbers of tumor-initiating cells, (namely MSCs), both in an in vitro cell culture system and in a mouse in vivo model. The conclusion was further supported by the observation that the induction of these factors exclusively increased the mRNA of signal transducer and activator of transcription 3 which has been reported to play a crucial role in stem cell maintenance. Thus, phenotypic remodeling of melanoma cells following the induction of these four factors provided a simple and optimal means to constantly obtain MSCs for screening new therapeutic reagents. The result also reveals that Stat3 may be a crucial link between the induction of the four factors and the cell remodeling, suggesting its potential role as a target to fight melanoma. PMID- 29200955 TI - Evaluating the Prognostic Value of ERCC1 and Thymidylate Synthase Expression and the Epidermal Growth Factor Receptor Mutation Status in Adenocarcinoma Non-Small Cell Lung Cancer. AB - The present study evaluated the prognostic value of the epidermal growth factor receptor (EGFR) mutation status, and excision repair cross-complementation group 1 (ERCC1) and thymidylate synthase (TS) expression following intercalated tyrosine kinase inhibitor (TKI) therapy and platinum- and pemetrexed-based chemotherapies (subsequent second-line treatment) for patients with adenocarcinoma non-small-cell lung cancer (AC-NSCLC). In total, 131 patients with AC-NSCLC were enrolled. The EGFR mutation status and ERCC1 and TS expression were evaluated through direct DNA sequencing and immunohistochemical analyses, respectively. The EGFR mutation status and ERCC1 and TS expression were the significant predictors of clinical outcomes. The EGFR mutation status was the main outcome predictor for overall survival (OS) benefits in the overall population. Further exploratory ERCC1 and TS expression analyses were conducted to provide additional insights. Low TS expression was predictive of improved OS of patients with negative EGFR-mutated advanced AC-NSCLC, whereas high ERCC1 expression resulted in poor OS in patients with positive EGFR-mutated advanced AC NSCLC. TS and ERCC1 expression levels were effective prognostic factors for negative and positive EGFR-mutated AC-NSCLC, respectively. In conclusion, the present results indicate that the EGFR mutation status and TS and ERCC1 expression can be used as the predictors of OS after subsequent second-line treatments for AC-NSCLC. PMID- 29200956 TI - Stem Cells from Cryopreserved Human Dental Pulp Tissues Sequentially Differentiate into Definitive Endoderm and Hepatocyte-Like Cells in vitro. AB - We previously described a novel tissue cryopreservation protocol to enable the safe preservation of various autologous stem cell sources. The present study characterized the stem cells derived from long-term cryopreserved dental pulp tissues (hDPSCs-cryo) and analyzed their differentiation into definitive endoderm (DE) and hepatocyte-like cells (HLCs) in vitro. Human dental pulp tissues from extracted wisdom teeth were cryopreserved as per a slow freezing tissue cryopreservation protocol for at least a year. Characteristics of hDPSCs-cryo were compared to those of stem cells from fresh dental pulps (hDPSCs-fresh). hDPSCs-cryo were differentiated into DE cells in vitro with Activin A as per the Wnt3a protocol for 6 days. These cells were further differentiated into HLCs in the presence of growth factors until day 30. hDPSCs-fresh and hDPSCs-cryo displayed similar cell growth morphology, cell proliferation rates, and mesenchymal stem cell character. During differentiation into DE and HLCs in vitro, the cells flattened and became polygonal in shape, and finally adopted a hepatocyte-like shape. The differentiated DE cells at day 6 and HLCs at day 30 displayed significantly increased DE- and hepatocyte-specific markers at the mRNA and protein level, respectively. In addition, the differentiated HLCs showed detoxification and glycogen storage capacities, indicating they could share multiple functions with real hepatocytes. These data conclusively show that hPDSCs-cryo derived from long-term cryopreserved dental pulp tissues can be successfully differentiated into DE and functional hepatocytes in vitro. Thus, preservation of dental tissues could provide a valuable source of autologous stem cells for tissue engineering. PMID- 29200957 TI - ZW800-1 for Assessment of Blood-Brain Barrier Disruption in a Photothrombotic Stroke Model. AB - Background: Since it is known that serum albumin-bound dyes can cross the blood brain barrier (BBB) after ischemia, Evans Blue dye is commonly used to assess BBB disruption because of its rapid binding to serum albumin. In addition, indocyanine green (ICG), a clinically available dye, binds to serum proteins that could also be used for assessment of BBB impairment. Unlike these near-infrared (NIR) dyes, zwitterionic NIR fluorophore (ZW800-1) shows no serum binding, ultralow non-specific tissue uptake, and rapid elimination from the body via renal filtration. In this study, we report the use of ZW800-1 as a NIR fluorescence imaging agent for detecting BBB disruption in rat stroke models. Methods: Three types of NIR fluorophores, Evans Blue, ICG, and ZW800-1, were administered intraperitoneally into rat photothrombotic stroke models by using 4% concentration of each NIR dye. The NIR fluorescence signals in the infarcted brain tissue and biodistribution were observed in real-time using the Mini FLARE(r) imaging system up to 24 h post-injection. Results: ZW800-1 provided successful visualization of the ischemic injury site in the brain tissue, while the remaining injected dye was clearly excreted from the body within a certain period of time. Although Evans Blue and ICG provided mapping of the infarcted brain lesions, they exhibited high non-specific uptake in most of the tissues and organs and persisted in the body over 24 h post-injection. Conclusion: Our results suggest the promising application of ZW800-1 as a new strategy in BBB experiments and future therapeutic development. PMID- 29200958 TI - Introductory Dialogue and the Kohler Effect in Software-Generated Workout Partners. AB - Objectives: This study explored the Kohler motivation gain effect utilizing adults and software-generated partners (SGPs) during an abdominal exercise regimen and compared the type of participant-SGP introductory dialogue as a moderator. The Kohler effect applies interdependent team dynamics in which group performance is dependent upon the weaker member. The third objective was to examine if this motivation paradigm would result in adverse consequences to secondary variables: exertion, enjoyment, and self-efficacy beliefs. Design: Adults (Mage = 38.8 +/- 7.7) were randomly assigned to 1 of 3 conditions: Interactive Partner SGP (IP), Linear Dialogue Partner SGP (LDP), or individual control (IC), to complete a series of abdominal exercises. The experiment used a 3 (condition) x 2 (gender) ANCOVA design, with a baseline block of exercises as a covariate. Method: Participants completed abdominal exercises individually and, after a rest, repeated the same exercises with either an SGP programmed to be moderately stronger or individually (IC). Prior to the second exercise block, IP participants interacted with the SGP using a dialog tree optional-response format. The LDP participant introduction was a linear, scripted exchange of basic information. Results: The LDP and IP conditions persisted significantly longer than IC, generating moderate effect sizes (d = .62; d = .76). The mean difference between partnered conditions was not significant. Conclusions: The Kohler motivation exercise paradigm resulted in a considerable increase in persistence (Madj = 28.9, SE = 10.6) in the first study to use middle-aged adults with superior SGPs. Differences between introductory dialogue methods were not significant. PMID- 29200959 TI - Polyphenols and health: Interactions between fibre, plant polyphenols and the gut microbiota. AB - A high-fibre diet and one rich in fruit and vegetables have long been associated with lower risk of chronic disease. There are several possible mechanisms underpinning these associations, but one likely important factor is the production of bioactive molecules from plant-based foods by the bacteria in the colon. This links to our growing understanding of the role of the gut microbiome in promoting health. Polyphenolic-rich plant foods have been associated with potential health effects in many studies, but the bioavailability of polyphenol compounds, as eaten, is often very low. Most of the ingested molecules enter the large intestine where they are catabolised to smaller phenolic acids that may be the key bioactive effectors. Dietary fibres, present in plant foods, are also fermented by the bacteria to short-chain fatty acids, compounds associated with several beneficial effects on cell turnover, metabolism and eating behaviour. Polyphenols and fibre are often eaten together, but there is a lack of research investigating the interaction between these two groups of key substrates for the colonic bacteria. In a project funded by the Biotechnology and Biological Sciences Research Council Diet and Health Research Industry Club, we are investigating whether combining different fibres and polyphenol sources can enhance the production of bioactive phenolic acids to promote health. This could lead to improved dietary recommendations and to new products with enhanced potential health-promoting actions. PMID- 29200961 TI - Posterior cerebral fossa medulloepithelioma: report of a case. AB - Background: Medulloepithelioma is a rare primitive neuroectodermal tumor of the central nervous system, usually developing in childhood. Due to its rarity, the optimal management is still unknown. The prognosis is poor, especially when resection is incomplete. Adjuvant radiochemotherapy is often indicated. Case presentation: We report a rare case of infratentorial medulloepithelioma in a 3 year old girl. She presented symptoms of increased intracranial pressure. On examination, she had coordination problems, ptosis and exotropia of the right eye. Magnetic resonance imaging demonstrated a large cerebellar vermix tumor. Immuno-histochemistry revealed a diffuse positivity for Vimentin and focal positivity for the epithelial membrane antigen, but Glial Fibrillary Acidic Protein and Synaptophysin were negative, the MIB-1 antibody was very high. She received postoperative craniospinal irradiation and died 7 months later. Conclusion: We describe the features (epidemiological, clinical, histological, immunohistochemical and therapeutic outcomes) of our case and confront it to literature data. PMID- 29200960 TI - Solitary fibrous tumor occurring in the parotid gland: a case report. AB - Background: Solitary fibrous tumor is an uncommon spindle cell neoplasm of unknown origin. It has been reported in many anatomic sites, with a rare occurrence in the head and neck region. Solitary fibrous tumors of the parotid gland are exceptional; their clinical and radiologic features are non specific, often mimicking more common salivary gland tumors. Pathologic examination and immunohistochemistry are required to make the correct diagnosis. The prognosis is favorable, with most tumors being benign, and complete surgical resection is the treatment of choice. Case presentation: We report the case of a 42-year-old man who presented with a painless mass involving the parotid gland. A parotidectomy was performed, and follow up was unremarkable. Gross examination showed a well circumscribed, firm tumor measuring 3,4 cm. Histologically, the tumor was composed of a spindle cell proliferation of variable cellularity, with staghorn vessels. A panel of immunohistochemical stains was performed, and confirmed the diagnosis of parotid gland solitary fibrous tumor. Conclusion: In this report we aim to increase awareness of this rare entity among clinicians and pathologists, and to emphasize the role of immunohistochemistry in confirming the diagnosis. PMID- 29200962 TI - Measuring nurses' perception of work environment: a scoping review of questionnaires. AB - Background: Nurses' work environment has been shown to be associated with quality of care and organizational outcomes. In order to monitor the work environment, it is useful for all stakeholders to know the questionnaires that assess or evaluate conditions for delivering nursing care. The aim of this article is: to review the literature for assessed survey questionnaires that measure nurses' perception of their work environment, make a brief assessment, and map the content domains included in a selection of questionnaires. Methods: The search included electronic databases of internationally published literature, international websites, and hand searches of reference lists. Eligible papers describing a questionnaire had to be; a) suitable for nurses working in direct care in general hospitals, nursing homes or home healthcare settings; and b) constructed to measure work environment characteristics that are amenable to change and related to patient and organizational outcomes; and c) presented along with an assessment of their measurement properties. Results: The search yielded 5077 unique articles. For the final synthesis, 65 articles met inclusion criteria, consisting of 34 questionnaires measuring nursing work environments in different settings. Most of the questionnaires that we found were developed, and tested, for registered nurses in a general hospital setting. Six questionnaires were developed specifically for use in nursing home settings and one for home healthcare. The content domains covered by the questionnaires were both overlapping and unique and the terminology in use was inconsistent. The most common content domains in the work environment questionnaires were supportive managers, collaborative relationships with peers, busyness, professional practice and autonomy. Conclusions: The findings from this review enhance the understanding of how "work environment" can be measured by an overview of existing questionnaires and domains. Our results indicate that there are very many work environment questionnaires with varying content. PMID- 29200963 TI - Mobility care in nursing homes: development and psychometric evaluation of the kinaesthetics competence self-evaluation (KCSE) scale. AB - Background: Impaired mobility is a prevalent condition among care-dependent persons living in nursing homes. Therefore, competence development of nursing staff in mobility care is important. This study aimed to develop and initially test the Kinaesthetics Competence Self-Evaluation (KCSE) scale for assessing nursing staff's competence in mobility care. Methods: The KCSE scale was developed based on an analysis of the concept of nurses' competence in kinaesthetics. Kinaesthetics is a training concept that provides theory and practice about movement foundations that comprise activities of daily living. The scale contains 28 items and four subscales (attitude, dynamic state, knowledge and skills). Content validity was assessed by determining the content validity index within two expert panels. Internal consistency and construct validity were tested within a cross-sectional study in three nursing homes in the German speaking region of Switzerland between September and November 2015. Results: The content validity index for the entire scale was good (0.93). Based on a sample of nursing staff (n = 180) the internal consistency results were good for the whole scale (Cronbach's alpha = 0.91) and for the subscales knowledge and skills (alpha = 0.91, 0.86), acceptable for the subscale attitude (alpha = 0.63) and weak for the subscale dynamic state (alpha = 0.54). Most items showed acceptable inter item and item-total correlations. Based on the exploratory factor analysis, four factors explaining 52% of the variance were extracted. Conclusion: The newly developed KCSE scale is a promising instrument for measuring nursing staff's attitude, dynamic state, knowledge, and skills in mobility care based on kinaesthetics. Despite the need for further psychometric evaluation, the KCSE scale can be used in clinical practice to evaluate competence in mobility care based on kinaesthetics and to identify educational needs for nursing staff. PMID- 29200964 TI - Burden of musculoskeletal disorders among registered nurses: evidence from the Thai nurse cohort study. AB - Background: Musculoskeletal disorders (MSDs) are a major public health problem among registered nurses (RNs) in Thailand. Information on their burdens at a national level is limited. This study estimated the prevalence of MSDs among RNs using the 2009 Thai Nurse Cohort, a nationally representative sample of RNs in Thailand. Methods: This study is part of the first wave survey of the Thai Nurse Cohort Study (TNCS) conducted in 2009. Members of the cohort consisted of 18,756 RNs across Thailand. A 13-page self-administered questionnaire was sent to participants where MSDs were measured by self-reported answers to questions related to experiencing MSDs during a previous year. However, 1070 RNs were excluded from this study since they were unemployed during a previous year, therefore the final sample size was 17,686 RNs. A 12-month prevalence of MSDs and its 95% confidence interval (95% CI) were estimated based on normal approximation to binomial distribution. Chi-square test for trend was used. Results: Of the 17,686 RNs, 47.8% (95% CI: 47.0-48.5) reported having MSDs during the previous 12 months. The prevalence of MSDs significantly increased with age, body mass index, and working duration (all P < 0.001). Compared to the non-MSD group, RNs with MSDs had a higher proportion who perceived MSDs as a long-term, chronic medical condition (78.1% vs 20.7%; p < 0.001), being currently on medication (49.4% vs 14.7%; p < 0.001), using pain relief medication almost every day (9.0% vs 1.9%; p < 0.001), experiencing sickness absence (15.7% vs 1.1%; p < 0.001), seeking medical specialist consultations (odds ratio, OR 2.2; 95% CI: 2.0-2.3; p < 0.001), and seeking alternative medications (OR 2.5; 95% CI: 2.3-2.7; p < 0.001). Conclusions: Musculoskeletal disorders affected almost half of the RNs in Thailand annually. They placed a major healthcare burden and were a major cause of working days lost due to sick leaves, diminished productivity and quality of patient care. More attention should be paid to the prevention and effective management of MSDs in RNs in Thailand. Further study on ergonomics related to MSDs and its prevention are needed. PMID- 29200965 TI - Patient preferences for participation in patient care and safety activities in hospitals. AB - Background: Active patient participation is a patient safety priority for health care. Yet, patients and their preferences are less understood. The aim of the study was to explore hospitalised patients' preferences on participation in their care and safety activities in Sweden. Methods: Exploratory qualitative study. Data were collected over a four-month period in 2013 and 2014. Semi-structured interviews were conducted with 20 patients who were admitted to one of four medical wards at a university hospital in Sweden. Data were analysed using thematic analysis. Results: Nine men and eleven women, whose median age was 72 years (range 22-89), were included in the study. Five themes emerged with the thematic analysis: endorsing participation; understanding enables participation; enacting patient safety by participation; impediments to participation; and the significance of participation. This study demonstrated that patients wanted to be active participants in their care and safety activities by having a voice and being a part of the decision-making process, sharing information and possessing knowledge about their conditions. These factors were all enablers for patient participation. However, a number of barriers hampered participation, such as power imbalances, lack of patient acuity and patient uncertainty. Patients' participation in care and patient safety activities seemed to determine whether patients were feeling safe or ignored. Conclusion: This study contributes to the existing literature with fundamental evidence of patients' willingness to participate in care and safety activities. Promoting patient participation begins by understanding the patients' unique preferences and needs for care, establishing a good relationship and paying attention to each patient's ability to participate despite their illness. PMID- 29200966 TI - Microencapsulation of low-passage poorly-differentiated human mucoepidermoid carcinoma cells by alginate microcapsules: in vitro profiling of angiogenesis related molecules. AB - Background: Human mucoepidermoid carcinoma (MEC) is regarded as the most common primary salivary malignancy. High-grade MEC has a high risk of recurrence and poor prognosis. Tumor angiogenesis, induced by poorly differentiated cancer cells of high-grade MEC, contributes to tumor growth and metastasis. Therefore, elucidating molecular mechanisms underlying the pro-angiogenic ability of poorly differentiated MEC cells is critical for the understanding of high-grade MEC progression. It is well known that three-dimensional (3D) cell culture, in contrast with conventional two-dimensional (2D) culture, provides a better approach to in vitro recapitulation of in vivo characteristics of cancer cells and their surrounding microenvironment. The purpose of this study was to model a 3D environment for in vitro gene expression profiling of key molecules in poorly differentiated MEC cells for cancer neovascularization and compared them with traditional 2D cell culture. Methods: Low-passage poorly differentiated MEC cells, derived from human patient samples of high-grade MEC, were microencapsulated in sodium alginate gel microcapsules (3D culture) and compared with cells grown in 2D culture. Cancer cell proliferation was determined by MTT assays for 1 week, and gene expression of VEGF-A, bFGF and TSP-1 was analyzed by western blotting or ELISA. The hypoxic environment in 3D versus 2D culture were assessed by western blotting or immunofluorescence for HIF1alpha, and the effect of hypoxia on VEGF-A gene expression in 3D cultured cancer cells was assessed by western blotting with the use of the HIF1alpha inhibitor, 2-methoxyestradiol (2 MeOE2). Results: When encapsulated in alginate gel microcapsules, low-passage poorly differentiated human MEC cells grew in blocks and demonstrated stronger and relatively unlimited proliferation activities. Moreover, significant differences were found in gene expression, with 3D-grown cancer cells a significant increment of VEGF-A and bFGF and a drastic reduction of TSP-1. Consistently, 3D-grown cancer cells secreted significantly more VEGF-A than 2D culture cancer cells. Furthermore, 3D-grown cancer cells showed significantly higher expression of HIF1alpha, a molecular indicator of hypoxia; the increased expression of VEGF-A in 3D cultured cancer cells was shown to be dependent on the HIF1alpha activities. Conclusions: The present work shows the effects of 3D culture model by alginate microencapsulation on the proangiogenic potentials of low-passage poorly differentiated human MEC cells. Cancer cells in this 3D system demonstrate significant intensification of key molecular processes for tumor angiogenesis. This is due to a better modeling of the hypoxic tumor microenvironment during 3D culture. PMID- 29200967 TI - Pharmacological inhibition of Bmi1 by PTC-209 impaired tumor growth in head neck squamous cell carcinoma. AB - Background: Bmi1 (B lymphoma Mo-MLV insertion region 1 homolog) contributes to human tumorigenesis via epigenetic transcriptional silencing and represents a novel therapeutic target with great potentials. Here we sought to determine the therapeutic efficiency of PTC-209, a potent and selective Bmi1 inhibitor, in head neck squamous cell carcinoma (HNSCC) cells and a HNSCC xenograft model. Methods: The mutation pattern, mRNA level of Bmi1 in HNSCC and its associations with clinicopathological parameters were determined through comprehensive data mining and interrogation using publicly available databases GENT, cBioPortal, Oncomine and TCGA. The PTC-209, a selective and potent Bmi1 inhibitor, was exploited and its effect on Bmi1 expression was measured in two HNSCC cell lines Cal27 and FaDu. The phenotypical changes of HNSCC cells were observed upon PTC-209 treatment in vitro. Moreover, the therapeutic effects of PTC-209 for HNSCC were determined in a xenograft animal model. Results: Through comprehensive data mining and interrogation, we found that Bmi1 mRNA was frequently overexpressed in a subset of HNSCC samples. Our data revealed that PTC-209 robustly reduced the expression of Bmi1 in Cal27 and FaDu cells presumably by post-transcriptional repression and ubiquitin-proteasomal degradation. PTC-209 treatment resulted in impaired cell proliferation, G1-phase cell cycle arrest, compromised migration and invasiveness, and increased cell apoptosis and chemosensitivity to 5-FU and cisplatin in vitro. Moreover, PTC-209 exposure reduced colony formation, tumorsphere formation and the percentage of ALDH1+ subpopulation in both Cal27 and FaDu cells. Importantly, in vivo PTC-209 administration significantly reduced tumor growth in a HNSCC xenograft model probably by Bmi1 inhibition and impaired cell proliferation. Conclusions: Our findings indicate that pharmacological inhibition of Bmi1 is a novel therapeutic strategy for HNSCC patients, especially with those with aberrant Bmi1 overexpression. PMID- 29200968 TI - Volatile organic metabolites identify patients with gastric carcinoma, gastric ulcer, or gastritis and control patients. AB - Background: Gastric cancer ranks 4th among the most common cancers worldwide, and the mortality caused by gastric cancer is 2nd only to lung cancer. Gastric cancer shows a lack of specific symptoms in its early stages. In addition, its clinical symptoms often do not match the corresponding stage. Upper gastrointestinal endoscopy with biopsy is the gold standard for the diagnosis of gastric cancer because of its high accuracy. However, this operation is invasive, patient compliance is poor, and high demands for medical staff and equipment are typical of this procedure. Recent studies have demonstrated a connection between specific breath volatile organic compounds (VOCs) and various forms of cancers. Methods: We collected expired air from patients with gastric cancer, chronic atrophic gastritis or gastric ulcers as well as from healthy individuals. Solid-phase microextraction, gas chromatography-mass spectrometry and principal component analysis statistics were applied to identify potential biomarkers of gastric cancer among VOCs. Results: Fourteen differential metabolites were annotated using the NIST 11 database, with a similarity threshold of 70%. Currently, the metabolic origin of VOCs remains unclear; however, several pathways might explain the decreasing or increasing trends that were observed. Conclusions: The results of this study demonstrate the existence of specific VOC profiles associated with patients with carcinoma. In addition, these metabolites may contribute to the diagnosis and screening of patients with carcinoma. PMID- 29200969 TI - Inhibition of breast cancer cell proliferation and tumorigenesis by long non coding RNA RPPH1 down-regulation of miR-122 expression. AB - Background: Recent studies showed that long non-coding RNA (lncRNA) plays an important role in many life activities. RPPH1 is one of the lncRNA genes that are expressed differently between breast cancer and normal tissues by the lncRNA gene chip. Our study was conducted to examine the regulation of lncRNA RPPH1 in breast cancer. Methods: Two cell lines, MCF-7 and MDA-MB-231, were selected to be the research objects in this study; RPPH1 overexpression and knockdown models were established by transforming vectors. Real-time polymerase chain reaction, MTT assay, clone formation and cell flow cytometer assay were used to test the function of RPPH1. Dual-luciferase assay was used to detect a target relationship between RPPH1 and miR-122. Results: RPPH1 overexpression promoted cell cycle and proliferation and increased colony formation. In the RPPH1 overexpression model, there was a target relationship between RPPH1 and miR-122, and some of the downstream genes of miR-122, including ADAM10, PKM2, NOD2 and IGF1R, were increased. Moreover, we found that lentivirus-mediated interference of lncRNA RPPH1 inhibited tumour growth in nude mice. Conclusion: Breast cancer progression can be promoted by directly targeting miR-122 through lncRNA RPPH1. This study provided evidence that can serve as the molecular basis for improving treatment options for patients. PMID- 29200970 TI - Systematic review of randomized controlled trials in the treatment of dry eye disease in Sjogren syndrome. AB - Primary Sjogren's syndrome is an autoimmune disease characterized by dry eye and dry mouth. We systematically reviewed all the randomized controlled clinical trials published in the last 15 years that included ocular outcomes. We found 22 trials involving 9 topical, 10 oral, 2 intravenous and 1 subcutaneous modalities of treatment. Fluoromethalone eye drops over 8 weeks were more effective than topical cyclosporine in the treatment of dry eye symptoms and signs; similarly, indomethacin eye drops over 1 month were more efficacious than diclofenac eye drops. Oral pilocarpine 5 mg twice daily over 3 months was superior to use of lubricants or punctal plugs for treating dry eye, but 5% of participants had gastrointestinal adverse effects from pilocarpine, though none discontinued treatment. In contrast, etanercept, a TNF-alpha blocking antibody, administered as subcutaneous injections twice weekly, did not improve dry eye significantly compared to placebo injections. In conclusion, topical corticosteroids have been shown to be effective in dry eye associated with Sjogren's syndrome. As some topical non-steroidal anti-inflammatory drugs may be more effective than others, these should be further evaluated. Systemic secretagogues like pilocarpine have a role in Sjogren's syndrome but the adverse effects may limit their clinical use. It is disappointing that systemic cytokine therapy did not produce encouraging ocular outcomes but participants should have assessment of cytokine levels in such trials, as those with higher baseline cytokine levels may respond better. (229 words). PMID- 29200971 TI - vWF/ADAMTS13 is associated with on-aspirin residual platelet reactivity and clinical outcome in patients with stable coronary artery disease. AB - Background: The mechanisms behind residual platelet reactivity (RPR) despite aspirin treatment are not established. It has been shown that coronary artery disease (CAD) patients with high on-aspirin RPR have elevated levels of von Willebrand factor (vWF). ADAMTS13 is a metalloprotease cleaving ultra large vWF multimers into less active fragments.Our aim was to investigate whether ADAMTS13 and vWF/ADAMTS13 ratio were associated with high RPR, and further with clinical endpoints after 2 years. Methods: Stable aspirin-treated CAD patients (n = 999) from the ASCET trial. RPR was assessed by PFA-100. ADAMTS13 antigen and activity were analysed using chromogenic assays. Endpoints were a composite of acute myocardial infarction, stroke and death. Results: The number of patients with high RPR was 258 (25.8%). Their serum thromboxane B2 (TxB2) levels were low, indicating inhibition of COX-1. They had significantly lower levels of ADAMTS13 antigen compared to patients with low RPR (517 vs 544 ng/mL, p = 0.001) and significantly lower ADAMTS13 activity (0.99 vs 1.04 IU/mL, p = 0.020). The differences were more pronounced when relating RPR to ratios of vWF/ADAMTS13 antigen and vWF/ADAMTS13 activity (p < 0.001, both). We found an inverse correlation between vWF and ADAMTS13 antigen (r = -0.14, p < 0.001) and ADAMTS13 activity (r = -0.11, p < 0.001). No correlations between TxB2 and ADAMTS13 antigen or activity, were observed, implying that ADAMTS13 is not involved in TxB2 production. Patients who experienced endpoints (n = 73) had higher vWF level (113 vs 105%, p = 0.032) and vWF/ADAMTS13 antigen ratio (0.23 vs 0.20, p = 0.012) compared to patients without. When dichotomizing vWF/ADAMTS13 antigen at median level we observed that patients above median had higher risk for suffering endpoints, with an adjusted OR of 1.86 (95% CI 1.45, 2.82). Conclusion: These results indicate that ADAMTS13 is of importance for RPR, and that it in combination with vWF also is associated with clinical endpoints in stable CAD patients on aspirin. Trial registration: Clinicaltrials.gov NCT00222261. Registered 13.09.2005. Retrospectively registered. PMID- 29200972 TI - Problems and Service Needs Among Ex-Offenders with HIV Risk Behaviors Entering Sober Living Recovery Homes. AB - There is currently a nationwide effort to decrease the number of persons who are incarcerated in jails and prisons. However, many ex-offenders on probation or parole do not have access to affordable housing and larger proportions have histories of HIV risk as well as substance abuse problems. In California, sober living houses (SLHs) are becoming an increasingly popular housing option for these individuals. Based largely on the principles of Alcoholics Anonymous (AA), SLHs require abstinence from alcohol and drugs and provide peer support for recovery. The current study examined the types of problems experienced among 330 ex-offenders with lifetime risk for HIV during the six months prior to entering SLHs. Nearly three fourths (74%) of all ex-offenders entering the houses had at least one HIV risk. The importance of housing was evident in the finding that housing status and participants' perceptions of their housing situation were associated with a variety of problem areas, including substance use, HIV risk, psychiatric severity, and legal problems. SLHs represent an important housing option for ex-offenders, but many residents may need additional services to address various problems. PMID- 29200973 TI - Prehabilitation and Nutritional Support to Improve Perioperative Outcomes. AB - Purpose of Review: The purpose of this study is to evaluate the role of physical exercise and nutrition interventions in adult patients before elective major surgery. Recent Findings: Exercise training before elective adult major surgery is feasible, safe, and efficacious, but the clinical effectiveness remains uncertain. Early data suggests a reduction in morbidity, length of stay, and quality of life, but the results of larger definitive studies are awaited. Nutritional interventions are less well evaluated and when they are, it is often in combination with exercise interventions as part of a prehabilitation package. Summary: Studies evaluating exercise and nutrition interventions before elective major surgery in adults are producing encouraging early results, but definitive clinical evidence is currently very limited. Future research should focus on refining interventions, exploring mechanism, and evaluating the interactions between therapies and large-scale clinical effectiveness studies. PMID- 29200974 TI - Stroke Volume Monitoring: Novel Continuous Wave Doppler Parameters, Algorithms and Advanced Noninvasive Haemodynamic Concepts. AB - Purpose of Review: Adequate oxygen delivery is essential for life, with hypoxia resulting in dysfunction, and ultimately death, of the cells, organs and organism. Blood flow delivers the oxygen bound in the blood, while haemodynamics is the science of blood flow. Stroke volume (SV) is the fundamental unit of blood flow, and reflects the interdependent performance of the heart, the vessels and the autonomic nervous system. However, haemodynamic management remains generally poor and predominantly guided by simple blood pressure observations alone. Recent Findings: Doppler ultrasound measures SV with unequalled clinical precision when operated by trained personnel. Combining SV with BP measurements allows calculation of flow-pressure based measures which better reflect cardiovascular performance and allows personalised physiologic and pathophysiologic modelling consistent with Frank's and Starling's observations. Summary: Doppler SV monitoring and novel flow-pressure parameters may improve our understanding of the cardiovascular system and lead to improved diagnosis and therapy. This review examines the physics and practice of Doppler SV monitoring and its application in advanced haemodynamics. PMID- 29200975 TI - Cardiac Output Monitoring: Validation Studies-how Results Should be Presented. AB - Purpose of Review: Cardiac output monitors can be assessed by a variety of techniques, but a common principle is quantifying agreement between a reference standard and new monitor. The current standard analysis technique is a Bland Altman plot. The Bland-Altman plot evaluates bias between mean differences of cardiac output, from which an agreement interval is derived. These limits are, however, statistical limits of agreement and the clinical acceptability will depend upon context and application. This article provides suggestions for understanding and presenting the results of cardiac output validation, using standard metrology alongside proposals for criteria used to accept new techniques. Recent Findings: Confusion about the appropriate way to report "precision" in method comparison studies stem from a lack of clarity on how single or repeated measurements should be interpreted. During serial measurements of cardiac output the true value changes, thus measurement should be considered as serial rather than repeated. Method agreement based upon precision achieved by cardiac output monitors needs to consider each method's general variability around true values obtained and this data should be generated and presented as part of each study design. Summary: Studies should report serial measurements from two techniques for cardiac output monitoring. Results of similar techniques from other studies may not always be transferred and compared. Bias and intervals of agreement should be presented as Bland-Altman plots with dynamic cardiac output trends in polar plots. Percentage error should be calculated to allow appropriate comparison of techniques for study populations with different expected cardiac output values. PMID- 29200976 TI - Improvement Science in Anaesthesia. AB - Purpose of Review: This article offers an overview of the history and features of Improvement Science in general and some of its applications to Anaesthesia in particular. Recent Findings: Improvement Science is an evolving discipline aiming to generate learning from quality improvement interventions. An increasingly common approach to improving Anaesthesia services is to employ large-scale perioperative data measurement and feedback programmes. Improvement Science offers important insights on questions such as which indicators to collect data for; how to capture that data; how it can be presented in engaging visual formats; how it could/should be fed back to frontline staff and how they can be supported in their use of data to generate improvement. Summary: Data measurement and feedback systems represent opportunities for anaesthetists to work with multidisciplinary colleagues to help improve services and outcomes for surgical patients. Improvement Science can help evaluate which approaches work, and in which contexts, and is therefore of value to healthcare commissioners, providers and patients. PMID- 29200977 TI - Clinical Trial Design as a Decision Problem. AB - The intent of this discussion is to highlight opportunities and limitations of utility-based and decision theoretic arguments in clinical trial design. The discussion is based on a specific case study, but the arguments and principles remain valid in general. The example concerns the design of a randomized clinical trial to compare a gel sealant versus standard care for resolving air leaks after pulmonary resection. The design follows a principled approach to optimal decision making, including a probability model for the unknown distributions of time to resolution of air leaks under the two treatment arms, and an explicit utility function that quantifies clinical preferences for alternative outcomes. As is typical for any real application, the final implementation includes some compromises from the initial principled setup. In particular, we use the formal decision problem only for the final decision, but use reasonable ad-hoc decision boundaries for making interim group sequential decisions that stop the trial early. Beyond the discussion of the particular study, we review more general considerations of using a decision theoretic approach for clinical trial design and summarize some of the reasons why such approaches are not commonly used. PMID- 29200978 TI - Case 1: A term infant with apnea and stiffening. PMID- 29200979 TI - The Association between Compassionate Goals and Relational-Interdependent Self Construal. AB - Although research has examined the consequences of relational self-construal, little is known about what psychological factors predict it. Four studies examined the association between compassionate goals and relational self construal. Study 1 showed that compassionate goals are positively associated with relational self-construal in college students. Study 2 replicated this association among adults in romantic relationships. Studies 3 and 4 showed that compassionate goals predict increased relational self-construals over time in college roommates. Moreover, Studies 2-4 showed that responsiveness to relationship partners statistically mediated the association between compassionate goals and self-construal. These studies suggested that people with compassionate goals have highly relational self-construals and that they also develop higher levels of relational self-construals by being responsive to relationship partners. PMID- 29200980 TI - Locally Advanced Disease and Pelvic Exenterations. AB - Advanced primary and recurrent colorectal cancer can be successfully treated by experienced, dedicated centers delivering good outcomes with low mortality and morbidity. Development and implementation of a comprehensive referral pathway is to be encouraged. Multidisciplinary team management is essential in the management of this complex group of patients and is associated with significantly more complete preoperative evaluation and more accurate provision of patient information, as well as improved access to the most appropriate individualized management plan. A structured selection process can improve outcomes through standardized approaches to service delivery to provide the highest quality of care. PMID- 29200981 TI - Semantic Specificity in One-Year-Olds' Word Comprehension. AB - The present study investigated infants' knowledge about familiar nouns. Infants (n = 46, 12-20-month-olds) saw two-image displays of familiar objects, or one familiar and one novel object. Infants heard either a matching word (e.g. "foot' when seeing foot and juice), a related word (e.g. "sock" when seeing foot and juice) or a nonce word (e.g. "fep" when seeing a novel object and dog). Across the whole sample, infants reliably fixated the referent on matching and nonce trials. On the critical related trials we found increasingly less looking to the incorrect (but related) image with age. These results suggest that one-year-olds look at familiar objects both when they hear them labeled and when they hear related labels, to similar degrees, but over the second year increasingly rely on semantic fit. We suggest that infants' initial semantic representations are imprecise, and continue to sharpen over the second postnatal year. PMID- 29200982 TI - Native whey protein with high levels of leucine results in similar post-exercise muscular anabolic responses as regular whey protein: a randomized controlled trial. AB - Background: Protein intake is essential to maximally stimulate muscle protein synthesis, and the amino acid leucine seems to possess a superior effect on muscle protein synthesis compared to other amino acids. Native whey has higher leucine content and thus a potentially greater anabolic effect on muscle than regular whey (WPC-80). This study compared the acute anabolic effects of ingesting 2 * 20 g of native whey protein, WPC-80 or milk protein after a resistance exercise session. Methods: A total of 24 young resistance trained men and women took part in this double blind, randomized, partial crossover, controlled study. Participants received either WPC-80 and native whey (n = 10), in a crossover design, or milk (n = 12). Supplements were ingested immediately (20 g) and two hours after (20 g) a bout of heavy-load lower body resistance exercise. Blood samples and muscle biopsies were collected to measure plasma concentrations of amino acids by gas-chromatography mass spectrometry, muscle phosphorylation of p70S6K, 4E-BP1 and eEF-2 by immunoblotting, and mixed muscle protein synthesis by use of [2H5]phenylalanine-infusion, gas-chromatography mass spectrometry and isotope-ratio mass spectrometry. Being the main comparison, differences between native whey and WPC-80 were analysed by a one-way ANOVA and comparisons between the whey supplements and milk were analysed by a two-way ANOVA. Results: Native whey increased blood leucine concentrations more than WPC 80 and milk (P < 0.05). Native whey ingestion induced a greater phosphorylation of p70S6K than milk 180 min after exercise (P = 0.03). Muscle protein synthesis rates increased 1-3 h hours after exercise with WPC-80 (0.119%), and 1-5 h after exercise with native whey (0.112%). Muscle protein synthesis rates were higher 1 5 h after exercise with native whey than with milk (0.112% vs. 0.064, P = 0.023). Conclusions: Despite higher-magnitude increases in blood leucine concentrations with native whey, it was not superior to WPC-80 concerning effect on muscle protein synthesis and phosphorylation of p70S6K during a 5-h post-exercise period. Native whey increased phosphorylation of p70S6K and muscle protein synthesis rates to a greater extent than milk during the 5-h post exercise period. Trial registration: This study was retrospectively registered at clinicaltrials.gov as NCT02968888. PMID- 29200983 TI - The short-term effect of high versus moderate protein intake on recovery after strength training in resistance-trained individuals. AB - Background: Dietary protein intakes up to 2.9 g.kg-1.d-1 and protein consumption before and after resistance training may enhance recovery, resulting in hypertrophy and strength gains. However, it remains unclear whether protein quantity or nutrient timing is central to positive adaptations. This study investigated the effect of total dietary protein content, whilst controlling for protein timing, on recovery in resistance trainees. Methods: Fourteen resistance trained individuals underwent two 10-day isocaloric dietary regimes with a protein content of 1.8 g.kg-1.d-1 (PROMOD) or 2.9 g.kg-1.d-1 (PROHIGH) in a randomised, counterbalanced, crossover design. On days 8-10 (T1-T3), participants undertook resistance exercise under controlled conditions, performing 3 sets of squat, bench press and bent-over rows at 80% 1 repetition maximum until volitional exhaustion. Additionally, participants consumed a 0.4 g.kg-1 whey protein concentrate/isolate mix 30 min before and after exercise sessions to standardise protein timing specific to training. Recovery was assessed via daily repetition performance, muscle soreness, bioelectrical impedance phase angle, plasma creatine kinase (CK) and tumor necrosis factor-alpha (TNF-alpha). Results: No significant differences were reported between conditions for any of the performance repetition count variables (p > 0.05). However, within PROMOD only, squat performance total repetition count was significantly lower at T3 (19.7 +/- 6.8) compared to T1 (23.0 +/- 7.5; p = 0.006). Pre and post-exercise CK concentrations significantly increased across test days (p <= 0.003), although no differences were reported between conditions. No differences for TNF-alpha or muscle soreness were reported between dietary conditions. Phase angle was significantly greater at T3 for PROHIGH (8.26 +/- 0.82 degrees ) compared with PROMOD (8.08 +/- 0.80 degrees ; p = 0.012). Conclusions: When energy intake and peri-exercise protein intake was controlled for, a short term PROHIGH diet did not improve markers of muscle damage or soreness in comparison to a PROMOD approach following repeated days of intensive training. Whilst it is therefore likely that moderate protein intakes (1.8 g.kg-1.d-1) may be sufficient for resistance-trained individuals, it is noteworthy that both lower body exercise performance and bioelectrical phase angle were maintained with PROHIGH. Longer term interventions are warranted to determine whether PROMOD intakes are sufficient during prolonged training periods or when extensive exercise (e.g. training twice daily) is undertaken. PMID- 29200984 TI - Mouth rinsing with a carbohydrate solution attenuates exercise-induced decline in executive function. AB - Background: A decline in executive function could have a negative influence on the control of actions in dynamic situations, such as sports activities. Mouth rinsing with a carbohydrate solution could serve as an effective treatment for preserving the executive function in exercise. The purpose of this study was to examine the effects of mouth rinsing with a carbohydrate solution on executive function after sustained moderately high-intensity exercise. Methods: Eight young healthy participants completed 65 min of running at 75% VO2max with two mouth rinsing conditions: with a carbohydrate solution (CHO) or with water (CON). Executive function was assessed before and after exercise by using the incongruent task of the Stroop Color and Word Test. The levels of blood glucose; and plasma adrenocorticotropic hormone (ACTH), epinephrine, and norepinephrine (NE) were evaluated. A two-way repeated-measures ANOVA, with condition (CHO and CON) and time (pre-exercise and post-exercise) as factors, was used to examine the main and interaction effects on the outcome measures. Results: The reaction time in the incongruent condition of the Stroop test significantly increased after exercise in CON (pre-exercise 529 +/- 45 ms vs. post-exercise 547 +/- 60 ms, P = 0.029) but not in CHO (pre-exercise 531 +/- 54 ms vs. post-exercise 522 +/- 80 ms), which resulted in a significant interaction (condition * time) on the reaction time (P = 0.028). The increased reaction time in CON indicates a decline in the executive function, which was attenuated in CHO. Increases in plasma epinephrine and NE levels demonstrated a trend toward attenuation accompanying CHO (P < 0.085), which appeared to be associated with the preservation of executive function. The blood glucose concentration showed neither significant interactions nor main effects of condition. Conclusions: These findings indicate that mouth rinsing with a carbohydrate solution attenuated the decline in executive function induced by sustained moderately high-intensity exercise, and that such attenuation seems to be unrelated to carbohydrate metabolic pathway but rather attributed, in part, to the inhibition of the excessive release of stress hormones. PMID- 29200985 TI - The Impact of Punitive Immigrant Laws on the Health of Latina/o Populations. AB - This study examines how anti-immigrant policies affect the physical health of Latina/os in the United States. Merging two unique datasets: sum of anti immigrant policies by state from 2005-2011 and a 2011 Robert Wood Johnson Center for Health Policy nationally representative sample of Latina/os (n=1,200), we estimate a series of logistic regressions to understand how anti-immigrant legislations are affecting the health of Latina/os. Our modeling approach takes into consideration Latinos' diverse experience, context that is widely overlooked in datasets that treat Latina/os as a homogeneous ethnic group. Our findings suggest that an increase in anti-immigrant laws enacted by a state decreases the probability of respondents reporting optimal health, even when controlling for other relevant factors, such as citizenship status, language of interview, and interethnic variation. The implication and significance of this work has tremendous impacts for scholars, policy makers, health service providers and applied researchers interested in reducing health disparities among minority populations. PMID- 29200986 TI - Bidirectional Regulation of Mouse Embryonic Stem Cell Proliferation by Nicotine Is Mediated Through Wnt Signaling Pathway. AB - Introduction: Nicotine is a key biologically active compound of cigarettes. Although nicotine is a risk factor for various health issues, it may also be beneficial when treated at moderate concentrations. Nicotine has been shown to bidirectionally regulate stem cell proliferation and differentiation depending on the doses applied. It is not clear whether or how nicotine regulates mouse embryonic stem cell (mESC) survival and proliferation. Methods: Mouse embryonic stem cells were cultured in the presence of 0.01, 0.1, 1, or 10 MUM nicotine. The effects of nicotine on cell survival and proliferation were examined. The signaling pathway that mediated these effects was analyzed. Results: Cell viability was not affected by nicotine at all 4 concentrations examined. The proliferation of mESCs was promoted by 0.01 and 0.1 MUM nicotine and suppressed by 1 and 10 MUM. This dose-dependent regulation was mediated through the Wnt/beta catenin pathway. Modulation of Wnt/beta-catenin activity either worsens or reverses the effects of nicotine. Conclusions: We have identified a bidirectional function of nicotine on mESC proliferation through regulation of the Wnt/beta catenin pathway and this is associated with different doses. This study suggests that concentration of nicotine is a crucial aspect for consideration when designing research or therapeutic strategies. PMID- 29200987 TI - Bufadienolides of Kalanchoe species: an overview of chemical structure, biological activity and prospects for pharmacological use. AB - Toad venom is regarded as the main source of bufadienolides; however, synthesis of these substances takes also place in a variety of other animal and plant organisms, including ethnomedicinal plants of the Kalanchoe genus. Chemically, bufadienolides are a group of polyhydroxy C-24 steroids and their glycosides, containing a six-membered lactone (alpha-pyrone) ring at the C-17beta position. From the pharmacological point of view, bufadienolides might be a promising group of steroid hormones with cardioactive properties and anticancer activity. Most of the literature concerns bufadienolides of animal origin; however, the medicinal use of these compounds remains limited by their narrow therapeutic index and the risk of development of cardiotoxic effects. On the other hand, plants such as Kalanchoe are also a source of bufadienolides. Kalanchoe pinnata (life plant, air plant, cathedral bells), Kalanchoe daigremontiana (mother of thousands) and other Kalanchoe species are valuable herbs in traditional medicine of Asia and Africa. The present review focuses on the available data on chemical structures of 31 compounds, biological properties and prospects for therapeutic use of bufadienolides from Kalanchoe species. Furthermore, it presents some new investigational trends in research on curative uses of these substances. PMID- 29200989 TI - Pushing the boundaries of laparoscopic myomectomy: a comparative analysis of peri operative outcomes in 323 women undergoing laparoscopic myomectomy in a tertiary referral centre. AB - Background: The aim of this study was to analyse the demographic data and peri operative outcomes of women undergoing a laparoscopic myomectomy and assess what factors, if any, precluded using the laparoscopic approach. Methods: A single surgeon observational study of 323 patients undergoing a laparoscopic myomectomy was undertaken. Data was collected prospectively over a 12-year period and analysed using SPSS. Surgical outcomes included operating time, estimated blood loss, conversion to laparotomy, intraoperative and postoperative complications and duration of inpatient stay. Results: A total of 323 patients underwent a laparoscopic myomectomy over the 12-year period. The majority of fibroids removed were intramural (49%) and subserosal (33%). The mean size of fibroids removed was 7.66 +/- 2.83 (7.34-7.99) cm, and the mean number was 4 +/- 3.62 (3.6-4.39), with the greatest being 22 removed from a single patient. Average blood loss was 279.14 +/- 221.10 (254.59-303.69) ml with mean duration of surgery and inpatient stay recorded as 112.92 +/- 43.21 (107.94-117.91) min and 1.88 +/- 0.95 (1.77 1.99) days, respectively. No major intraoperative complications were noted, and the conversion to laparotomy rate was 0.62%. All histology following morcellation was benign. Over the 12-year period despite increasingly large and more numerous fibroids being tackled, increasing experience resulted in a simultaneous reduction in overall blood loss, operating time and duration of inpatient stay. Conclusions: Laparoscopic myomectomy is a safe and efficacious procedure that should be considered the gold standard surgical treatment option for fibroids. With experience, the procedure can be undertaken with minimal complications, a low risk of conversion to laparotomy and early discharge from hospital, even in cases of large and multiple fibroids that historically would have required the open approach. This allows even the most complex of cases to now benefit for the advantages of the minimal access approach. PMID- 29200990 TI - Intercepting the Gold-Catalysed Meyer-Schuster Rearrangement by Controlled Protodemetallation: A Regioselective Hydration of Propargylic Alcohols. AB - The regioselective gold-catalysed hydration of propargylic alcohols to beta hydroxy ketones can be achieved by diverting the gold-catalysed Meyer-Schuster rearrangement through the addition of a protic additive with a pKa of 7-9 such as p-nitrophenol, boric acid or a boronic acid. This provides an interesting alternative to an aldol reaction when combined with the straightforward addition of an alkyne to an aldehyde or ketone. The gold-catalysed reaction of an electron deficient, sterically hindered propargylic alcohol with a boronic acid led to the formation of an unusually stable cyclic boron enolate. PMID- 29200991 TI - Metal Organic Framework Crystals in Mixed-Matrix Membranes: Impact of the Filler Morphology on the Gas Separation Performance. AB - Mixed-matrix membranes (MMMs) comprising NH2-MIL-53(Al) and Matrimid(r) or 6FDA DAM have been investigated. The MOF loading has been varied between 5 and 20 wt%, while NH2-MIL-53(Al) with three different morphologies: nanoparticles, nanorods and microneedles have been dispersed in Matrimid(r). The synthesized membranes have been tested in the separation of CO2 from CH4 in an equimolar mixture. At 3 bar and 298 K for 8 wt% MOF loading, incorporation of NH2-MIL-53(Al) nanoparticles leads to the largest improvement compared to nanorods and microneedles. The incorporation of the best performing filler, i.e. NH2-MIL 53(Al) nanoparticles, to the highly permeable 6FDA-DAM has a larger effect, and the CO2 permeability increased up to 85 % with slightly lower selectivities for 20 wt% MOF loading. Specifically, these membranes have a permeability of 660 Barrer with CO2/CH4 separation factor of 28, leading to a performance very close to the Robeson limit of 2008. Furthermore, a new non-destructive technique based on Raman spectroscopy mapping is introduced to assess the homogeneity of the filler dispersion in the polymer matrix. The MOF contribution can be calculated by modelling the spectra. The determined homogeneity of the MOF filler distribution in the polymer is confirmed by FIB-SEM analysis. PMID- 29200992 TI - Pre-treated theaflavin-3,3'-digallate has a higher inhibitory effect on the HCT116 cell line. AB - The pro-apoptotic and inhibitory effects of the aflavin-3,3'-digallate (TFDG), which is the typical pigment in black tea, have been demonstrated in many cancer cell lines. However, TFDG is not stable in general culture conditions. So, to what extent TFDG or which degradation products of TFDG play an antitumor role is still unclear. In this study, we evaluated the effect of different treatments of TFDG on HCT116 cells. Compared with the control, both TFDG and O-TFDG (the TFDG that was pre-incubated in an incubator at 37 degrees C for 3 hbefore adding into 96-well plates) significantly inhibited HCT116 cell growth. However, pre-treated TFDG was far better than TFDG. The IC50 values of TFDG and O-TFDG-3 were 17.26 MUM and 8.98 MUM, respectively (the cells were treated by O-TFDG for only 3 h, after which the media were replaced by fresh media for another 69 h incubation). Cell-cycle analysis revealed that 20 MUM of O-TFDG and O-TFDG-3 caused cell-cycle arrest at G2 phase in HCT116 cells. Western blot analysis also demonstrated that the anti-inflammatory effect of O-TFDG-3 is stronger than that of TFDG by decreasing COX-2 and iNOS. On the other hand, O-TFDG induced HCT116 cells apoptosis mainly by increasing the expression of p53, p21, and cleaved caspase-3. The current study demonstrated that O-TFDG had a higher inhibitory effect on HCT116 cells than TFDG, and sowe may inferfromthis that the degradation products of TFDG play a key role against tumors. PMID- 29200994 TI - Spatio Temporal EEG Source Imaging with the Hierarchical Bayesian Elastic Net and Elitist Lasso Models. AB - The estimation of EEG generating sources constitutes an Inverse Problem (IP) in Neuroscience. This is an ill-posed problem due to the non-uniqueness of the solution and regularization or prior information is needed to undertake Electrophysiology Source Imaging. Structured Sparsity priors can be attained through combinations of (L1 norm-based) and (L2 norm-based) constraints such as the Elastic Net (ENET) and Elitist Lasso (ELASSO) models. The former model is used to find solutions with a small number of smooth nonzero patches, while the latter imposes different degrees of sparsity simultaneously along different dimensions of the spatio-temporal matrix solutions. Both models have been addressed within the penalized regression approach, where the regularization parameters are selected heuristically, leading usually to non-optimal and computationally expensive solutions. The existing Bayesian formulation of ENET allows hyperparameter learning, but using the computationally intensive Monte Carlo/Expectation Maximization methods, which makes impractical its application to the EEG IP. While the ELASSO have not been considered before into the Bayesian context. In this work, we attempt to solve the EEG IP using a Bayesian framework for ENET and ELASSO models. We propose a Structured Sparse Bayesian Learning algorithm based on combining the Empirical Bayes and the iterative coordinate descent procedures to estimate both the parameters and hyperparameters. Using realistic simulations and avoiding the inverse crime we illustrate that our methods are able to recover complicated source setups more accurately and with a more robust estimation of the hyperparameters and behavior under different sparsity scenarios than classical LORETA, ENET and LASSO Fusion solutions. We also solve the EEG IP using data from a visual attention experiment, finding more interpretable neurophysiological patterns with our methods. The Matlab codes used in this work, including Simulations, Methods, Quality Measures and Visualization Routines are freely available in a public website. PMID- 29200988 TI - Molecular signaling mechanisms behind polyphenol-induced bone anabolism. AB - For millennia, in the different cultures all over the world, plants have been extensively used as a source of therapeutic agents with wide-ranging medicinal applications, thus becoming part of a rational clinical and pharmacological investigation over the years. As bioactive molecules, plant-derived polyphenols have been demonstrated to exert many effects on human health by acting on different biological systems, thus their therapeutic potential would represent a novel approach on which natural product-based drug discovery and development could be based in the future. Many reports have provided evidence for the benefits derived from the dietary supplementation of polyphenols in the prevention and treatment of osteoporosis. Polyphenols are able to protect the bone, thanks to their antioxidant properties, as well as their anti-inflammatory actions by involving diverse signaling pathways, thus leading to bone anabolic effects and decreased bone resorption. This review is meant to summarize the research works performed so far, by elucidating the molecular mechanisms of action of polyphenols in a bone regeneration context, aiming at a better understanding of a possible application in the development of medical devices for bone tissue regeneration. PMID- 29200993 TI - Brain Sexual Differentiation and Requirement of SRY: Why or Why Not? AB - Brain sexual differentiation is orchestrated by precise coordination of sex steroid hormones. In some species, programming of select male brain regions is dependent upon aromatization of testosterone to estrogen. In mammals, these hormones surge during the organizational and activational periods that occur during perinatal development and adulthood, respectively. In various fish and reptiles, incubation temperature during a critical embryonic period results in male or female sexual differentiation, but this can be overridden in males by early exposure to estrogenic chemicals. Testes development in mammals requires a Y chromosome and testis determining gene SRY (in humans)/Sry (all other therian mammals), although there are notable exceptions. Two species of spiny rats: Amami spiny rat (Tokudaia osimensis) and Tokunoshima spiny rat (Tokudaia tokunoshimensis) and two species of mole voles (Ellobius lutescens and Ellobius tancrei), lack a Y chromosome/Sry and possess an XO chromosome system in both sexes. Such rodent species, prototherians (monotremes, who also lack Sry), and fish and reptile species that demonstrate temperature sex determination (TSD) seemingly call into question the requirement of Sry for brain sexual differentiation. This review will consider brain regions expressing SRY/Sry in humans and rodents, respectively, and potential roles of SRY/Sry in the brain will be discussed. The evidence from various taxa disputing the requirement of Sry for brain sexual differentiation in mammals (therians and prototherians) and certain fish and reptilian species will be examined. A comparative approach to address this question may elucidate other genes, pathways, and epigenetic modifications stimulating brain sexual differentiation in vertebrate species, including humans. PMID- 29200996 TI - Regulation of Brown Adipose Tissue Activity by Interoceptive CNS Pathways: The interaction between Brain and Periphery. AB - To maintain thermal homeostasis, specific thermogenic tissues are under the control of central thermoregulatory networks that regulate the body's response to thermal challenges. One of these mechanisms involves non-shivering thermogenesis in brown adipose tissue (BAT), which is activated in cold environments in order to defend the body against physical damage as a result of hypothermia. The objective of our study was to assess the interaction between CNS thermoregulatory pathways and sympathetic innervation in BAT during a cold exposure paradigm. Our results show that an innocuous whole-body cooling paradigm induces significant differences in fMRI BOLD signal at the location of the right anterior insula and the red nucleus/substantia nigra region, between lean subjects with high levels of sympathetic innervation in supraclavicular BAT (BAT+ group), and subjects with low levels of sympathetic innervation (BAT- group). Specifically, results indicate significantly larger fMRI BOLD signal changes between periods of cooling and warming of the skin in the BAT+ (as compared to BAT-) group at the location of the right anterior insula. In contrast, the BAT+ group showed significantly smaller fMRI BOLD signal changes in the midbrain between periods of skin cooling and warming. Our findings are consistent with a hierarchical thermoregulatory control system that involves the initiation of inhibitory signals from the right anterior insula toward midbrain areas that normally exert tonic inhibition on the medullary raphe, from where BAT is directly innervated. Our data suggests that exposure to cold elicits differential neuronal activity in interoceptive regulatory centers of subjects with high and low level of sympathetic innervation. As a result, the variability of cold-activated BAT mass observed in humans might be, in part, yoked to different sensitivities of interoceptive cortical brain areas to skin temperature changes. PMID- 29200995 TI - SSRI and Motor Recovery in Stroke: Reestablishment of Inhibitory Neural Network Tonus. AB - Selective serotonin reuptake inhibitors (SSRIs) are currently widely used in the field of the neuromodulation not only because of their anti-depressive effects but also due to their ability to promote plasticity and enhance motor recovery in patients with stroke. Recent studies showed that fluoxetine promotes motor recovery after stroke through its effects on the serotonergic system enhancing motor outputs and facilitating long term potentiation, key factors in motor neural plasticity. However, little is known in regards of the exact mechanisms underlying these effects and several aspects of it remain poorly understood. In this manuscript, we discuss evidence supporting the hypothesis that SSRIs, and in particular fluoxetine, modulate inhibitory pathways, and that this modulation enhances reorganization and reestablishment of excitatory-inhibitory control; these effects play a key role in learning induced plasticity in neural circuits involved in the promotion of motor recovery after stroke. This discussion aims to provide important insights and rationale for the development of novel strategies for stroke motor rehabilitation. PMID- 29200997 TI - Connexin43 Hemichannels in Satellite Glial Cells, Can They Influence Sensory Neuron Activity? AB - In this review article, we summarize the current insight on the role of Connexin- and Pannexin-based channels as modulators of sensory neurons. The somas of sensory neurons are located in sensory ganglia (i.e., trigeminal and nodose ganglia). It is well known that within sensory ganglia, sensory neurons do not form neither electrical nor chemical synapses. One of the reasons for this is that each soma is surrounded by glial cells, known as satellite glial cells (SGCs). Recent evidence shows that connexin43 (Cx43) hemichannels and probably pannexons located at SGCs have an important role in paracrine communication between glial cells and sensory neurons. This communication may be exerted via the release of bioactive molecules from SGCs and their subsequent action on receptors located at the soma of sensory neurons. The glio-neuronal communication seems to be relevant for the establishment of chronic pain, hyperalgesia and pathologies associated with tissue inflammation. Based on the current literature, it is possible to propose that Cx43 hemichannels expressed in SGCs could be a novel pharmacological target for treating chronic pain, which need to be directly evaluated in future studies. PMID- 29200998 TI - Attenuation of the Infiltration of Angiotensin II Expressing CD3+ T-Cells and the Modulation of Nerve Growth Factor in Lumbar Dorsal Root Ganglia - A Possible Mechanism Underpinning Analgesia Produced by EMA300, An Angiotensin II Type 2 (AT2) Receptor Antagonist. AB - Recent preclinical and proof-of-concept clinical studies have shown promising analgesic efficacy of selective small molecule angiotensin II type 2 (AT2) receptor antagonists in the alleviation of peripheral neuropathic pain. However, their cellular and molecular mechanism of action requires further investigation. To address this issue, groups of adult male Sprague-Dawley rats with fully developed unilateral hindpaw hypersensitivity, following chronic constriction injury (CCI) of the sciatic nerve, received a single intraperitoneal bolus dose of the small molecule AT2 receptor antagonist, EMA300 (10 mg kg-1), or vehicle. At the time of peak EMA300-mediated analgesia (~1 h post-dosing), groups of CCI rats administered either EMA300 or vehicle were euthanized. A separate group of rats that underwent sham surgery were also included. The lumbar (L4-L6) dorsal root ganglia (DRGs) were obtained from all experimental cohorts and processed for immunohistochemistry and western blot studies. In vehicle treated CCI-rats, there was a significant increase in the expression levels of angiotensin II (Ang II), but not the AT2 receptor, in the ipsilateral lumbar DRGs. The elevated levels of Ang II in the ipsilateral lumbar DRGs of CCI-rats were at least in part contributed by CD3+ T-cells, satellite glial cells (SGCs) and subsets of neurons. Our findings suggest that the analgesic effect of EMA300 in CCI-rats involves multimodal actions that appear to be mediated at least in part by a significant reduction in the otherwise increased expression levels of Ang II as well as the number of Ang II-expressing CD3+ T-cells in the ipsilateral lumbar DRGs of CCI rats. Additionally, the acute anti-allodynic effects of EMA300 in CCI-rats were accompanied by rescue of the otherwise decreased expression of mature nerve growth factor (NGF) in the ipsilateral lumbar DRGs of CCI-rats. In contrast, the increased expression levels of TrkA and glial fibrillary acidic protein in the ipsilateral lumbar DRGs of vehicle-treated CCI-rats were not attenuated by a single bolus dose of EMA300. Consistent with our previous findings, there was also a significant decrease in the augmented levels of the downstream mediators of Ang II/AT2 receptor signaling, i.e., phosphorylated-p38 mitogen-activated protein kinase (MAPK) and phosphorylated-p44/p42 MAPK, in the ipsilateral lumbar DRGs. PMID- 29200999 TI - Confirming a Role for alpha9nAChRs and SK Potassium Channels in Type II Hair Cells of the Turtle Posterior Crista. AB - In turtle posterior cristae, cholinergic vestibular efferent neurons (VENs) synapse on type II hair cells, bouton afferents innervating type II hair cells, and afferent calyces innervating type I hair cells. Electrical stimulation of VENs releases acetylcholine (ACh) at these synapses to exert diverse effects on afferent background discharge including rapid inhibition of bouton afferents and excitation of calyx-bearing afferents. Efferent-mediated inhibition is most pronounced in bouton afferents innervating type II hair cells near the torus, but becomes progressively smaller and briefer when moving longitudinally through the crista toward afferents innervating the planum. Sharp-electrode recordings have inferred that efferent-mediated inhibition of bouton afferents requires the sequential activation of alpha9-containing nicotinic ACh receptors (alpha9*nAChRs) and small-conductance, calcium-dependent potassium channels (SK) in type II hair cells. Gradations in the strength of efferent-mediated inhibition across the crista likely reflect variations in alpha9*nAChRs and/or SK activation in type II hair cells from those different regions. However, in turtle cristae, neither inference has been confirmed with direct recordings from type II hair cells. To address these gaps, we performed whole-cell, patch-clamp recordings from type II hair cells within a split-epithelial preparation of the turtle posterior crista. Here, we can easily visualize and record hair cells while maintaining their native location within the neuroepithelium. Consistent with alpha9*nAChR/SK activation, ACh-sensitive currents in type II hair cells were inward at hyperpolarizing potentials but reversed near -90 mV to produce outward currents that typically peaked around -20 mV. ACh-sensitive currents were largest in torus hair cells but absent from hair cells near the planum. In current clamp recordings under zero-current conditions, ACh robustly hyperpolarized type II hair cells. ACh-sensitive responses were reversibly blocked by the alpha9nAChR antagonists ICS, strychnine, and methyllycaconitine as well as the SK antagonists apamin and UCL1684. Intact efferent terminals in the split-epithelial preparation spontaneously released ACh that also activated alpha9*nAChRs/SK in type II hair cells. These release events were accelerated with high-potassium external solution and all events were blocked by strychnine, ICS, methyllycaconitine, and apamin. These findings provide direct evidence that activation of alpha9*nAChR/SK in turtle type II hair cells underlies efferent-mediated inhibition of bouton afferents. PMID- 29201001 TI - Sociality Affects REM Sleep Episode Duration Under Controlled Laboratory Conditions in the Rock Hyrax, Procavia capensis. AB - The rock hyrax, Procavia capensis, is a highly social, diurnal mammal. In the current study several physiologically measurable parameters of sleep, as well as the accompanying behavior, were recorded continuously from five rock hyraxes, for 72 h under solitary (experimental animal alone in the recording chamber), and social conditions (experimental animal with 1 or 2 additional, non-implanted animals in the recording chamber). The results revealed no significant differences between solitary and social conditions for total sleep times, number of episodes, episode duration or slow wave activity (SWA) for all states examined. The only significant difference observed between social and solitary conditions was the average duration of rapid eye movement (REM) sleep episodes. REM sleep episode duration was on average 20 s and 40 s longer under social conditions daily and during the dark period, respectively. It is hypothesized that the increase in REM sleep episode duration under social conditions could possibly be attributed to improved thermoregulation strategies, however considering the limited sample size and design of the current study further investigations are needed to confirm this finding. Whether the conclusions and the observations made in this study can be generalized to all naturally socially sleeping mammals remains an open question. PMID- 29201000 TI - Striatal Galphaolf/cAMP Signal-Dependent Mechanism to Generate Levodopa-Induced Dyskinesia in Parkinson's Disease. AB - The motor symptoms of Parkinson's disease (PD) result from striatal dopamine (DA) deficiency due to a progressive degeneration of nigral dopaminergic cells. Although DA replacement therapy is the mainstay to treat parkinsonian symptoms, a long-term daily administration of levodopa often develops levodopa-induced dyskinesia (LID). LID is closely linked to the dysregulation of cyclic adenosine monophosphate (cAMP) signaling cascades in the medium spiny neurons (MSNs), the principal neurons of the striatum, which are roughly halved with striatonigral MSNs by striatopallidal MSNs. The olfactory type G-protein alpha subunit (Galphaolf) represents an important regulator of the cAMP signal activities in the striatum, where it positively couples with D1-type dopamine receptor (D1R) and adenosine A2A receptor (A2AR) to increase cAMP production in the MSNs. Notably, D1Rs are primarily expressed in striatonigral MSNs, whereas D2Rs and A2ARs are expressed in striatopallidal MSNs. Based on the evidence obtained from parkinsonian mice, we hypothesized that in the DA-denervated striatum with D1R hypersensitivity, a repeated and pulsatile exposure to levodopa might cause a usage-induced degradation of Galphaolf proteins in striatal MSNs, resulting in increased and decreased levels of Galphaolf protein in the striatonigral and striatopallidal MSNs, respectively. As a principal cause for generating LID, this might lead to an increased responsiveness to levodopa exposure in both striatonigral and striatopallidal MSNs. Our hypothesis reinforces the long standing concept that LID might result from the reduced activity of the striatopallidal pathway and has important clinical implications. PMID- 29201003 TI - Electrical Activity in a Time-Delay Four-Variable Neuron Model under Electromagnetic Induction. AB - To investigate the effect of electromagnetic induction on the electrical activity of neuron, the variable for magnetic flow is used to improve Hindmarsh-Rose neuron model. Simultaneously, due to the existence of time-delay when signals are propagated between neurons or even in one neuron, it is important to study the role of time-delay in regulating the electrical activity of the neuron. For this end, a four-variable neuron model is proposed to investigate the effects of electromagnetic induction and time-delay. Simulation results suggest that the proposed neuron model can show multiple modes of electrical activity, which is dependent on the time-delay and external forcing current. It means that suitable discharge mode can be obtained by selecting the time-delay or external forcing current, which could be helpful for further investigation of electromagnetic radiation on biological neuronal system. PMID- 29201002 TI - A Comparison of Different Slicing Planes in Preservation of Major Hippocampal Pathway Fibers in the Mouse. AB - The hippocampus plays a critical role in learning and memory and higher cognitive functions, and its dysfunction has been implicated in various neuropathological disorders. Electrophysiological recording undertaken in live brain slices is one of the most powerful tools for investigating hippocampal cellular and network activities. The plane for cutting the slices determines which afferent and/or efferent connections are best preserved, and there are three commonly used slices: hippocampal-entorhinal cortex (HEC), coronal and transverse. All three slices have been widely used for studying the major afferent hippocampal pathways including the perforant path (PP), the mossy fibers (MFs) and the Schaffer collaterals (SCs). Surprisingly, there has never been a systematic investigation of the anatomical and functional consequences of slicing at a particular angle. In the present study, we focused on how well fiber pathways are preserved from the entorhinal cortex (EC) to the hippocampus, and within the hippocampus, in slices generated by sectioning at different angles. The postmortem neural tract tracer 1,1'-dioctadecyl-3,3,3'3'-tetramethylindocarbocyanine perchlorate (DiI) was used to label afferent fibers to hippocampal principal neurons in fixed slices or whole brains. Laser scanning confocal microscopy was adopted for imaging DiI-labeled axons and terminals. We demonstrated that PP fibers were well preserved in HEC slices, MFs in both HEC and transverse slices and SCs in all three types of slices. Correspondingly, field excitatory postsynaptic potentials (fEPSPs) could be consistently evoked in HEC slices when stimulating PP fibers and recorded in stratum lacunosum-moleculare (sl-m) of area CA1, and when stimulating the dentate granule cell layer (gcl) and recording in stratum lucidum (sl) of area CA3. The MF evoked fEPSPs could not be recorded in CA3 from coronal slices. In contrast to our DiI-tracing data demonstrating severely truncated PP fibers in coronal slices, fEPSPs could still be recorded in CA1 sl-m in this plane, suggesting that an additional afferent fiber pathway other than PP might be involved. The present study increases our understanding of which hippocampal pathways are best preserved in the three most common brain slice preparations, and will help investigators determine the appropriate slices to use for physiological studies depending on the subregion of interest. PMID- 29201004 TI - Subjective Cognitive Decline as a Preclinical Marker for Alzheimer's Disease: The Challenge of Stability Over Time. PMID- 29201005 TI - High Concentrations of Rosiglitazone Reduce mRNA and Protein Levels of LRP1 in HepG2 Cells. AB - Low-density lipoprotein receptor-related protein 1 (LRP1) is an endocytic receptor involved in the uptake of a variety of molecules, such as apoE, alpha2 macroglobulin, and the amyloid beta peptide (Abeta), for either transcellular transport, protein trafficking or lysosomal degradation. The LRP1 gene can be transcribed upon activation of peroxisome proliferator receptor activated-gamma (PPARgamma) by the potent PPARgamma agonist, rosiglitazone (RGZ). In previous studies, RGZ was shown to upregulate LRP1 levels in concentrations between 0.1 and 5 MUM in HepG2 cells. In this study, we sought to replicate previous studies and to investigate the molecular mechanism by which high concentrations of RGZ reduce LRP1 levels in HepG2 cells. Our data confirmed that transcriptional activation of LRP1 occurred in response to RGZ at 3 and 10 MUM, in agreement with the study reported by Moon et al. (2012a). On the other hand, we found that high concentrations of RGZ decreased both mRNA and protein levels of LRP1. Mechanistically, transcriptional dysregulation of LRP1 was affected by the downregulation of PPARgamma in a time- and concentration-dependent manner. However, downregulation of PPARgamma was responsible for only 40% of the LRP1 reduction and thereby the remaining loss of LRP1 (60%) was found to be through degradation in the lysosomal system. In conclusion, our findings demonstrate the mechanisms by which high concentrations of RGZ caused LRP1 levels to be reduced in HepG2 cells. Taken together, this data will be helpful to better explain the pharmacological modulation of this pivotal membrane receptor by PPARgamma agonists. PMID- 29201006 TI - Blockade of Eosinophil-Induced Bronchial Epithelial-Mesenchymal Transition with a Geranyl Acetophenone in a Coculture Model. AB - Epithelial-mesenchymal transition (EMT) is currently recognized as the main cellular event that contributes to airway remodeling. Eosinophils can induce EMT in airway epithelial cells via increased transforming growth factor (TGF)-beta production. We assessed the effect of synthetic 2,4,6-trihydroxy-3-geranyl acetophenone (tHGA) upon eosinophil-induced EMT in a cellular model. The human eosinophil cell line EoL-1 was used to induce EMT in BEAS-2B human bronchial epithelial cells. The induction of EMT was dose-dependently suppressed following tHGA treatment in which the epithelial morphology and E-cadherin expression were not altered. Protein and mRNA expression of vimentin, collagen I and fibronectin in eosinophil-induced epithelial cells were also significantly suppressed by tHGA treatment. Following pathway analysis, we showed that tHGA suppressed eosinophil induced activator protein-1-mediated TGF-beta production by targeting c-Jun N terminal kinase and phosphoinositide 3-kinase signaling pathways. These findings corroborated previous findings on the ability of tHGA to inhibit experimental murine airway remodeling. PMID- 29201007 TI - Erythropoietin Attenuates Postoperative Cognitive Dysfunction by Shifting Macrophage Activation toward the M2 Phenotype. AB - Postoperative cognitive dysfunction (POCD) may be driven by transference of the innate immune response to the brain after aseptic surgical damage. Macrophages are key mediators of innate immunity that can display a pro-inflammatory M1 phenotype or an anti-inflammatory M2 phenotype. Erythropoietin (EPO) is a hematopoietic hormone that exerts anti-inflammatory effects by influencing macrophage function. We hypothesized that EPO would prevent POCD by promoting macrophage phenotype switching to the M2 phenotype post-surgery. To evaluate the effects of EPO on POCD and macrophage polarization post-surgery, we administered EPO (5,000 U/kg) with or without an arginase inhibitor (amino-6-boronohexanoic acid, 10 mg/kg) to ICR mice before and after abdominal surgery. Forty-eight hours post-surgery, we assessed memory, synapse function, and macrophage/microglial phenotypes in the spleen and hippocampus. We also investigated M1/M2 phenotypes in RAW264.7 and BV2 cells stimulated with lipopolysaccharide and interferon-gamma (M1 inducers) in the presence or absence of EPO. EPO prevented POCD, decreased surgery-related synaptic dysfunction, and attenuated pro-inflammatory cytokine generation in the hippocampus. Moreover, EPO suppressed M1-related genes expression and promoted M2 genes expression in the spleen and hippocampus post surgery. Furthermore, EPO decreased the proportions of macrophages/microglia expressing an M1 surface marker (CD40) and increased those expressing an M2 surface marker (CD206). Arginase inhibition abolished the beneficial effects of EPO on POCD. In vitro, EPO treatment promoted switching of RAW264.7 and BV2 cells stimulated with M1 inducers to an M2 phenotype. In conclusion, EPO prevents POCD by promoting macrophage phenotype switching toward the M2 phenotype. PMID- 29201008 TI - Dose-Dependent Rescue of KO Amelogenin Enamel by Transgenes in Vivo. AB - Mice lacking amelogenin (KO) have hypoplastic enamel. Overexpression of the most abundant amelogenin splice variant M180 and LRAP transgenes can substantially improve KO enamel, but only ~40% of the incisor thickness is recovered and the prisms are not as tightly woven as in WT enamel. This implies that the compositional complexity of the enamel matrix is required for different aspects of enamel formation, such as organizational structure and thickness. The question arises, therefore, how important the ratio of different matrix components, and in particular amelogenin splice products, is in enamel formation. Can optimal expression levels of amelogenin transgenes representing both the most abundant splice variants and cleavage product at protein levels similar to that of WT improve the enamel phenotype of KO mice? Addressing this question, our objective was here to understand dosage effects of amelogenin transgenes (Tg) representing the major splice variants M180 and LRAP and cleavage product CTRNC on enamel properties. Amelogenin KO mice were mated with M180Tg, CTRNCTg and LRAPTg mice to generate M180Tg and CTRNCTg double transgene and M180Tg, CTRNCTg, LRAPTg triple transgene mice with transgene hemizygosity (on one allelle) or homozygosity (on both alleles). Transgene homo- vs. hemizygosity was determined by qPCR and relative transgene expression confirmed by Western blot. Enamel volume and mineral density were analyzed by microCT, thickness and structure by SEM, and mechanical properties by Vickers microhardness testing. There were no differences in incisor enamel thickness between amelogenin KO mice with three or two different transgenes, but mice homozygous for a given transgene had significantly thinner enamel than mice hemizygous for the transgene (p < 0.05). The presence of the LRAPTg did not improve the phenotype of M180Tg/CTRNCTg/KO enamel. In the absence of endogenous amelogenin, the addition of amelogenin transgenes representing the most abundant splice variants and cleavage product can rescue abnormal enamel properties and structure, but only up to a maximum of ~80% that of molar and ~40% that of incisor wild-type enamel. PMID- 29201009 TI - In Vitro and In Silico Risk Assessment in Acquired Long QT Syndrome: The Devil Is in the Details. AB - Acquired long QT syndrome, mostly as a result of drug block of the Kv11. 1 potassium channel in the heart, is characterized by delayed cardiac myocyte repolarization, prolongation of the T interval on the ECG, syncope and sudden cardiac death due to the polymorphic ventricular arrhythmia Torsade de Pointes (TdP). In recent years, efforts are underway through the Comprehensive in vitro proarrhythmic assay (CiPA) initiative, to develop better tests for this drug induced arrhythmia based in part on in silico simulations of pharmacological disruption of repolarization. However, drug binding to Kv11.1 is more complex than a simple binary molecular reaction, meaning simple steady state measures of potency are poor surrogates for risk. As a result, there is a plethora of mechanistic detail describing the drug/Kv11.1 interaction-such as drug binding kinetics, state preference, temperature dependence and trapping-that needs to be considered when developing in silico models for risk prediction. In addition to this, other factors, such as multichannel pharmacological profile and the nature of the ventricular cell models used in simulations also need to be considered in the search for the optimum in silico approach. Here we consider how much of mechanistic detail needs to be included for in silico models to accurately predict risk and further, how much of this detail can be retrieved from protocols that are practical to implement in high throughout screens as part of next generation of preclinical in silico drug screening approaches? PMID- 29201011 TI - Development and Validation of Two Instruments Measuring Intrinsic, Extraneous, and Germane Cognitive Load. AB - Cognitive Load Theory is one of the most powerful research frameworks in educational research. Beside theoretical discussions about the conceptual parts of cognitive load, the main challenge within this framework is that there is still no measurement instrument for the different aspects of cognitive load, namely intrinsic, extraneous, and germane cognitive load. Hence, the goal of this paper is to develop a differentiated measurement of cognitive load. In Study 1 (N = 97), we developed and analyzed two strategies to measure cognitive load in a differentiated way: (1) Informed rating: We trained learners in differentiating the concepts of cognitive load, so that they could rate them in an informed way. They were asked then to rate 24 different learning situations or learning materials related to either high or low intrinsic, extraneous, or germane load. (2) Naive rating: For this type of rating of cognitive load we developed a questionnaire with two to three items for each type of load. With this questionnaire, the same learning situations had to be rated. In the second study (N = between 65 and 95 for each task), we improved the instrument for the naive rating. For each study, we analyzed whether the instruments are reliable and valid, for Study 1, we also checked for comparability of the two measurement strategies. In Study 2, we conducted a simultaneous scenario based factor analysis. The informed rating seems to be a promising strategy to assess the different aspects of cognitive load, but it seems not economic and feasible for larger studies and a standardized training would be necessary. The improved version of the naive rating turned out to be a useful, feasible, and reliable instrument. Ongoing studies analyze the conceptual validity of this measurement with up to now promising results. PMID- 29201010 TI - Microglia and Brain Plasticity in Acute Psychosis and Schizophrenia Illness Course: A Meta-Review. AB - Objective: Schizophrenia poses a tremendous health, social, and economic burden upon patients and society, indicating current treatment options remain inadequate. Recent findings from several lines of evidence have pointed to the importance of immune system involvement in not only premorbid neurodevelopmental but also subsequent symptom generation and aging processes of brain change in schizophrenia. In this meta-review, we use the summarized evidence from recent quantitative systematic reviews (SRs) and meta-analyses of several subspecialties to critically evaluate the hypothesis that immune-related processes shape the symptomatic presentation and illness course of schizophrenia, both directly and indirectly through altered neuroplasticity. Methods: We performed a data search in PubMed for English language SRs and meta-analyses from 2010 to 2017. The methodological quality of the SRs was assessed with the AMSTAR instrument. In addition, we review in this paper 11 original publications on translocator protein (TSPO) positron emission tomography (PET) imaging in schizophrenia. Results: We reviewed 26 SRs and meta-analyses. Evidence from clinical observational studies of inflammatory or immunological markers and randomized controlled drug trials of immunomodulatory compounds as add-on in the treatment of schizophrenia suggests psychotic exacerbations are accompanied by immunological changes different from those seen in non-acute states, and that the symptoms of schizophrenia can be modified by compounds such as non-steroidal anti inflammatory drug and minocycline. Information derived from post-mortem brain tissue analysis and PET neuroimaging studies to evaluate microglial activation have added new perspectives to the available evidence, yet these results are very heterogeneous. Each research domain comes with unique opportunities as well as inherent limitations. A better understanding of the (patho-)physiology of microglial cells and their role in neuroplasticity is key to interpreting the immune-related findings in the context of schizophrenia illness exacerbations and progression. Conclusion: Evidence from clinical studies analyzing patients' blood and cerebrospinal fluid samples, neuroimaging and post-mortem brain tissue suggests that aberrant immune responses may define schizophrenia illness' course through altered neuroplasticity representing abnormal aging processes. Most findings are however prone to bias and confounding, and often non-specific to schizophrenia, and a multidisciplinary translational approach is needed to consolidate these findings and link them to other schizophrenia hypotheses. PMID- 29201012 TI - Telling Friend from Foe: Listeners Are Unable to Identify In-Group and Out-Group Members from Heard Laughter. AB - Group membership is important for how we perceive others, but although perceivers can accurately infer group membership from facial expressions and spoken language, it is not clear whether listeners can identify in- and out-group members from non-verbal vocalizations. In the current study, we examined perceivers' ability to identify group membership from non-verbal vocalizations of laughter, testing the following predictions: (1) listeners can distinguish between laughter from different nationalities and (2) between laughter from their in-group, a close out-group, and a distant out-group, and (3) greater exposure to laughter from members of other cultural groups is associated with better performance. Listeners (n = 814) took part in an online forced-choice classification task in which they were asked to judge the origin of 24 laughter segments. The responses were analyzed using frequentist and Bayesian statistical analyses. Both kinds of analyses showed that listeners were unable to accurately identify group identity from laughter. Furthermore, exposure did not affect performance. These results provide a strong and clear demonstration that group identity cannot be inferred from laughter. PMID- 29201013 TI - Aiming at a Moving Target: Theoretical and Methodological Considerations in the Study of Intraindividual Goal Conflict between Personal Goals. AB - Multiple-goal pursuit and conflict between personal life-defining goals can be considered part of everyday business in most individuals' lives. Given the potentially detrimental effects of goal conflict-for example, impaired well-being or poor performance-the literature on goal conflict is surprisingly scattered due to heterogeneous methodological approaches and technical terms. Little empirical research has addressed the conceptualization of goal conflict against the background of differing understandings from a structure-like and a process-like perspective. In the present article, we outline theoretical foundations of goal conflict from two perspectives: a structure- and a process-like perspective. Based on a comparative analysis and integration of these two perspectives, we systematically review empirical studies on goal conflict over 30 years of research. In doing so, we identify and discuss important conceptual dimensions of goal conflict, namely, goal conflict as a cognitive construct and an experiential instance, a focus on goal interrelations or on specific goal properties, and resource vs. inherent conflict, and the potential of these distinctions to further research on goal conflict. Finally, we present major challenges and pose questions that need to be addressed by future research. PMID- 29201014 TI - Impaired Interoceptive Accuracy in Semantic Variant Primary Progressive Aphasia. AB - Background: Interoception (the perception of internal bodily sensations) is strongly linked to emotional experience and sensitivity to the emotions of others in healthy subjects. Interoceptive impairment may contribute to the profound socioemotional symptoms that characterize frontotemporal dementia (FTD) syndromes, but remains poorly defined. Methods: Patients representing all major FTD syndromes and healthy age-matched controls performed a heartbeat counting task as a measure of interoceptive accuracy. In addition, patients had volumetric MRI for voxel-based morphometric analysis, and their caregivers completed a questionnaire assessing patients' daily-life sensitivity to the emotions of others. Results: Interoceptive accuracy was impaired in patients with semantic variant primary progressive aphasia relative to healthy age-matched individuals, but not in behavioral variant frontotemporal dementia and nonfluent variant primary progressive aphasia. Impaired interoceptive accuracy correlated with reduced daily-life emotional sensitivity across the patient cohort, and with atrophy of right insula, cingulate, and amygdala on voxel-based morphometry in the impaired semantic variant group, delineating a network previously shown to support interoceptive processing in the healthy brain. Conclusion: Interoception is a promising novel paradigm for defining mechanisms of reduced emotional reactivity, empathy, and self-awareness in neurodegenerative syndromes and may yield objective measures for these complex symptoms. PMID- 29201015 TI - Role of Perinatal Inflammation in Neonatal Arterial Ischemic Stroke. AB - Based on the review of the literature, perinatal inflammation often induced by infection is the only consistent independent risk factor of neonatal arterial ischemic stroke (NAIS). Preclinical studies show that acute inflammatory processes take place in placenta, cerebral arterial wall of NAIS-susceptible arteries and neonatal brain. A top research priority in NAIS is to further characterize the nature and spatiotemporal features of the inflammatory processes involved in multiple levels of the pathophysiology of NAIS, to adequately design randomized control trials using targeted anti-inflammatory vasculo- and neuroprotective agents. PMID- 29201016 TI - The Promise of Systems Biology Approaches for Revealing Host Pathogen Interactions in Malaria. AB - Despite global eradication efforts over the past century, malaria remains a devastating public health burden, causing almost half a million deaths annually (WHO, 2016). A detailed understanding of the mechanisms that control malaria infection has been hindered by technical challenges of studying a complex parasite life cycle in multiple hosts. While many interventions targeting the parasite have been implemented, the complex biology of Plasmodium poses a major challenge, and must be addressed to enable eradication. New approaches for elucidating key host-parasite interactions, and predicting how the parasite will respond in a variety of biological settings, could dramatically enhance the efficacy and longevity of intervention strategies. The field of systems biology has developed methodologies and principles that are well poised to meet these challenges. In this review, we focus our attention on the Liver Stage of the Plasmodium lifecycle and issue a "call to arms" for using systems biology approaches to forge a new era in malaria research. These approaches will reveal insights into the complex interplay between host and pathogen, and could ultimately lead to novel intervention strategies that contribute to malaria eradication. PMID- 29201017 TI - Characterization of Metagenomes in Urban Aquatic Compartments Reveals High Prevalence of Clinically Relevant Antibiotic Resistance Genes in Wastewaters. AB - The dissemination of antimicrobial resistance (AMR) is an escalating problem and a threat to public health. Comparative metagenomics was used to investigate the occurrence of antibiotic resistant genes (ARGs) in wastewater and urban surface water environments in Singapore. Hospital and municipal wastewater (n = 6) were found to have higher diversity and average abundance of ARGs (303 ARG subtypes, 197,816 x/Gb) compared to treated wastewater effluent (n = 2, 58 ARG subtypes, 2,692 x/Gb) and surface water (n = 5, 35 subtypes, 7,985 x/Gb). A cluster analysis showed that the taxonomic composition of wastewaters was highly similar and had a bacterial community composition enriched in gut bacteria (Bacteroides, Faecalibacterium, Bifidobacterium, Blautia, Roseburia, Ruminococcus), the Enterobacteriaceae group (Klebsiella, Aeromonas, Enterobacter) and opportunistic pathogens (Prevotella, Comamonas, Neisseria). Wastewater, treated effluents and surface waters had a shared resistome of 21 ARGs encoding multidrug resistant efflux pumps or resistance to aminoglycoside, macrolide-lincosamide streptogramins (MLS), quinolones, sulfonamide, and tetracycline resistance which suggests that these genes are wide spread across different environments. Wastewater had a distinctively higher average abundance of clinically relevant, class A beta-lactamase resistant genes (i.e., blaKPC, blaCTX-M, blaSHV, blaTEM). The wastewaters from clinical isolation wards, in particular, had a exceedingly high levels of blaKPC-2 genes (142,200 x/Gb), encoding for carbapenem resistance. Assembled scaffolds (16 and 30 kbp) from isolation ward wastewater samples indicated this gene was located on a Tn3-based transposon (Tn4401), a mobilization element found in Klebsiella pneumonia plasmids. In the longer scaffold, transposable elements were flanked by a toxin-antitoxin (TA) system and other metal resistant genes that likely increase the persistence, fitness and propagation of the plasmid in the bacterial host under conditions of stress. A few bacterial species (Enterobacter cloacae, Klebsiella pneumoniae, Citrobacter freundii, Pseudomonas aeruginosa) that were cultured from the isolation ward wastewaters on CHROMagar media harbored the blaKPC-2 gene. This suggests that hospital wastewaters derived from clinical specialty wards are hotspots for the spread of AMR. Assembled scaffolds of other mobile genetic elements such as IncQ and IncF plasmids bearing quinolone resistance genes (qnrS1, qnrS2) and the class A beta-lactamase gene (blaTEM-1) were recovered in wastewater samples which may aid the transfer of AMR. PMID- 29201018 TI - Prevalence of Flp Pili-Encoding Plasmids in Cutibacterium acnes Isolates Obtained from Prostatic Tissue. AB - Inflammation is one of the hallmarks of prostate cancer. The origin of inflammation is unknown, but microbial infections are suspected to play a role. In previous studies, the Gram-positive, low virulent bacterium Cutibacterium (formerly Propionibacterium) acnes was frequently isolated from prostatic tissue. It is unclear if the presence of the bacterium represents a true infection or a contamination. Here we investigated Cutibacterium acnes type II, also called subspecies defendens, which is the most prevalent type among prostatic C. acnes isolates. Genome sequencing of type II isolates identified large plasmids in several genomes. The plasmids are highly similar to previously identified linear plasmids of type I C. acnes strains associated with acne vulgaris. A PCR-based analysis revealed that 28.4% (21 out of 74) of all type II strains isolated from cancerous prostates carry a plasmid. The plasmid shows signatures for conjugative transfer. In addition, it contains a gene locus for tight adherence (tad) that is predicted to encode adhesive Flp (fimbrial low-molecular weight protein) pili. In subsequent experiments a tad locus-encoded putative pilin subunit was identified in the surface-exposed protein fraction of plasmid-positive C. acnes type II strains by mass spectrometry, indicating that the tad locus is functional. Additional plasmid-encoded proteins were detected in the secreted protein fraction, including two signal peptide-harboring proteins; the corresponding genes are specific for type II C. acnes, thus lacking from plasmid-positive type I C. acnes strains. Further support for the presence of Flp pili in C. acnes type II was provided by electron microscopy, revealing cell appendages in tad locus positive strains. Our study provides new insight in the most prevalent prostatic subspecies of C. acnes, subsp. defendens, and indicates the existence of Flp pili in plasmid-positive strains. Such pili may support colonization and persistent infection of human prostates by C. acnes. PMID- 29201019 TI - Therapeutic Application of Phage Capsule Depolymerases against K1, K5, and K30 Capsulated E. coli in Mice. AB - Capsule depolymerase enzymes offer a promising class of new antibiotics. In vivo studies are encouraging but it is unclear how well this type of phage product will generalize in therapeutics, or whether different depolymerases against the same capsule function similarly. Here, in vivo efficacy was tested using cloned bacteriophage depolymerases against Escherichia coli strains with three different capsule types: K1, K5, and K30. When treating infections with the cognate capsule type in a mouse thigh model, the previously studied K1E depolymerase rescued poorly, whereas K1F, K1H, K5, and K30 depolymerases rescued well. K30 gp41 was identified as the catalytically active protein. In contrast to the in vivo studies, K1E enzyme actively degraded K1 capsule polysaccharide in vitro and sensitized K1 bacteria to serum killing. The only in vitro correlate of poor K1E performance in vivo was that the purified enzyme did not form the expected trimer. K1E appeared as an 18-mer which might limit its in vivo distribution. Overall, depolymerases were easily identified, cloned from phage genomes, and as purified proteins they proved generally effective. PMID- 29201020 TI - Recent Advances in the Recombinant Biosynthesis of Polyphenols. AB - Plants are the source of various natural compounds with pharmaceutical and nutraceutical importance which have shown numerous health benefits with relatively fewer side effects. However, extraction of these compounds from native producers cannot meet the ever-increasing demands of the growing population due to, among other things, the limited production of the active compound(s). Their production depends upon the metabolic demands of the plant and is also subjected to environmental conditions, abundance of crop species and seasonal variations. Moreover, their extraction from plants requires complex downstream processing and can also lead to the extinction of many useful plant varieties. Microbial engineering is one of the alternative approaches which can meet the global demand for natural products in an eco-friendly manner. Metabolic engineering of microbes or pathway reconstruction using synthetic biology tools and novel enzymes lead to the generation of a diversity of compounds (like flavonoids, stilbenes, anthocyanins etc.) and their natural and non-natural derivatives. Strain and pathway optimization, pathway regulation and tolerance engineering have produced microbial cell factories into which the metabolic pathway of plants can be introduced for the production of compounds of interest on an industrial scale in an economical and eco-friendly way. While microbial production of phytochemicals needs to further increase product titer if it is ever to become a commercial success. The present review covers the advancements made for the improvement of microbial cell factories in order to increase the product titer of recombinant polyphenolic compounds. PMID- 29201021 TI - PifC and Osa, Plasmid Weapons against Rival Conjugative Coupling Proteins. AB - Bacteria display a variety of mechanisms to control plasmid conjugation. Among them, fertility inhibition (FI) systems prevent conjugation of co-resident plasmids within donor cells. Analysis of the mechanisms of inhibition between conjugative plasmids could provide new alternatives to fight antibiotic resistance dissemination. In this work, inhibition of conjugation of broad host range IncW plasmids was analyzed in the presence of a set of co-resident plasmids. Strong FI systems against plasmid R388 conjugation were found in IncF/MOBF12 as well as in IncI/MOBP12 plasmids, represented by plasmids F and R64, respectively. In both cases, the responsible gene was pifC, known also to be involved in FI of IncP plasmids and Agrobacterium T-DNA transfer to plant cells. It was also discovered that the R388 gene osa, which affects T-DNA transfer, also prevented conjugation of IncP-1/MOBP11 plasmids represented by plasmids RP4 and R751. Conjugation experiments of different mobilizable plasmids, helped by either FI-susceptible or FI-resistant transfer systems, demonstrated that the conjugative component affected by both PifC and Osa was the type IV conjugative coupling protein. In addition, in silico analysis of FI proteins suggests that they represent recent acquisitions of conjugative plasmids, i.e., are not shared by members of the same plasmid species. This implies that FI are rapidly-moving accessory genes, possibly acting on evolutionary fights between plasmids for the colonization of specific hosts. PMID- 29201022 TI - Leishmania infantum Induces the Release of sTREM-1 in Visceral Leishmaniasis. AB - Visceral leishmaniasis (VL) is a systemic transmissible disease that remains to be a major global health problem. The inflammatory response during VL is characterized by the release of several cytokines and other pro-inflammatory mediators. Triggering Receptor Expressed on Myeloid Cells (TREM) are a group of evolutionarily conserved membrane-bound surface receptors expressed on neutrophils and monocytes. Engagement of TREM-1 directs intracellular signaling events that drive cytokine production, degranulation, and phagocytosis. In certain inflammatory-associated diseases, TREM-1 can also be found as a soluble form (sTREM-1), which can negatively regulate TREM-1 receptor signaling. In these studies, we now find that high levels of circulating sTREM-1 correlate directly with VL disease severity. In particular, high levels of sTREM-1 were observed in non-survivor VL patients. Furthermore, these levels of sTREM-1 positively correlated with liver size and negatively correlated with leukocyte counts and hemoglobin concentration. Moreover, we found that neutrophils exposure in vitro to Leishmania infantum modulates TREM-1, DAP12, and IL-8 gene expression, while also increasing release of sTREM-1. Finally, results revealed that higher sTREM-1 levels are associated with increasing parasite ratio. Taken together, these studies suggest that L. infantum may modulate TREM-1 in neutrophils and high levels of this molecule is associated with severe VL. PMID- 29201023 TI - A Marine Actinomycete Rescues Caenorhabditis elegans from Pseudomonas aeruginosa Infection through Restitution of Lysozyme 7. AB - The resistance of Pseudomonas aeruginosa to conventional antimicrobial treatment is a major scourge in healthcare. Therefore, it is crucial that novel potent anti infectives are discovered. The aim of the present study is to screen marine actinomycetes for chemical entities capable of overcoming P. aeruginosa infection through mechanisms involving anti-virulence or host immunity activities. A total of 18 actinomycetes isolates were sampled from marine sediment of Songsong Island, Kedah, Malaysia. Upon confirming that the methanolic crude extract of these isolates do not display direct bactericidal activities, they were tested for capacity to rescue Caenorhabditis elegans infected with P. aeruginosa strain PA14. A hexane partition of the extract from one isolate, designated as Streptomyces sp. CCB-PSK207, could promote the survival of PA14 infected worms by more than 60%. Partial 16S sequence analysis on this isolate showed identity of 99.79% with Streptomyces sundarbansensis. This partition did not impair feeding behavior of C. elegans worms. Tested on PA14, the partition also did not affect bacterial growth or its ability to colonize host gut. The production of biofilm, protease, and pyocyanin in PA14 were uninterrupted, although there was an increase in elastase production. In lys-7::GFP worms, this partition was shown to induce the expression of lysozyme 7, an important innate immunity defense molecule that was repressed during PA14 infection. GC-MS analysis of the bioactive fraction of Streptomyces sp. CCB-PSK207 revealed the presence of methyl esters of branched saturated fatty acids. In conclusion, this is the first report of a marine actinomycete producing metabolites capable of rescuing C. elegans from PA14 through a lys-7 mediated activity. PMID- 29201024 TI - Involvement of the Transcriptional Coactivator ThMBF1 in the Biocontrol Activity of Trichoderma harzianum. AB - Trichoderma harzianum is a filamentous fungus well adapted to different ecological niches. Owing to its ability to antagonize a wide range of plant pathogens, it is used as a biological control agent in agriculture. Selected strains of T. harzianum are also able to increase the tolerance of plants to biotic and abiotic stresses. However, little is known about the regulatory elements of the T. harzianum transcriptional machinery and their role in the biocontrol by this species. We had previously reported the involvement of the transcription factor THCTF1 in the T. harzianum production of the secondary metabolite 6-pentyl-pyrone, an important volatile compound related to interspecies cross-talk. Here, we performed a subtractive hybridization to explore the genes regulated by THCTF1, allowing us to identify a multiprotein bridging factor 1 (mbf1) homolog. The gene from T. harzianum T34 was isolated and characterized, and the generated Thmbf1 overexpressing transformants were used to investigate the role of this gene in the biocontrol abilities of the fungus against two plant pathogens. The transformants showed a reduced antifungal activity against Fusarium oxysporum f. sp. lycopersici race 2 (FO) and Botrytis cinerea (BC) in confrontation assays on discontinuous medium, indicating that the Thmbf1 gene could affect T. harzianum production of volatile organic compounds (VOC) with antifungal activity. Moreover, cellophane and dialysis membrane assays indicated that Thmbf1 overexpression affected the production of low molecular weight secreted compounds with antifungal activity against FO. Intriguingly, no correlation in the expression profiles, either in rich or minimal medium, was observed between Thmbf1 and the master regulator gene cross-pathway control (cpc1). Greenhouse assays allowed us to evaluate the biocontrol potential of T. harzianum strains against BC and FO on susceptible tomato plants. The wild type strain T34 significantly reduced the necrotic leaf lesions caused by BC while plants treated with the Thmbf1-overexpressing transformants exhibited an increased susceptibility to this pathogen. The percentages of Fusarium wilt disease incidence and values of aboveground dry weight showed that T34 did not have biocontrol activity against FO, at least in the 'Moneymaker' tomato variety, and that Thmbf1 overexpression increased the incidence of this disease. Our results show that the Thmbf1 overexpression in T34 negatively affects its biocontrol mechanisms. PMID- 29201025 TI - Regulation of Neuroinflammation: What Role for the Tumor Necrosis Factor-Like Weak Inducer of Apoptosis/Fn14 Pathway? AB - Observed in many central nervous system diseases, neuroinflammation (NI) proceeds from peripheral immune cell infiltration into the parenchyma, from cytokine secretion and from oxidative stress. Astrocytes and microglia also get activated and proliferate. NI manifestations and consequences depend on its context and on the acute or chronic aspect of the disease. The tumor necrosis factor-like weak inducer of apoptosis (TWEAK)/Fn14 pathway has been involved in chronic human inflammatory pathologies such as neurodegenerative, autoimmune, or malignant diseases. New data now describe its regulatory effects in tissues or fluids from patients with neurological diseases. In this mini-review, we aim to highlight the role of TWEAK/Fn14 in modulating NI in multiple sclerosis, neuropsychiatric systemic lupus erythematosus, stroke, or glioma. TWEAK/Fn14 can modulate NI by activating canonical and non-canonical nuclear factor-kappaB pathways but also by stimulating mitogen-activated protein kinase signaling. These downstream activations are associated with (i) inflammatory cytokine, chemokine and adhesion molecule expression or release, involved in NI propagation, (ii) matrix metalloproteinase 9 secretion, implicated in blood-brain barrier disruption and tissue remodeling, (iii) astrogliosis and microgliosis, and (iv) migration of tumor cells in glioma. In addition, we report several animal and human studies pointing to TWEAK as an attractive therapeutic target. PMID- 29201026 TI - TH17 Cell Frequency in Peripheral Blood Is Elevated in Overweight Children without Chronic Inflammatory Diseases. AB - Background: The prevalence of obesity has dramatically increased in children in the last few decades and is associated with chronic inflammatory diseases. Fat tissue produces IL-6 and TNF-alpha, which are stimuli for TH17 cell differentiation. These cells are characterized by expression of the transcription factor receptor-related orphan receptor C (RORC) and by IL-17A production. In murine models, obesity has been linked with elevated TH17 cell frequencies. The aim of this study was to explore whether being overweight was associated with an elevated frequency of circulating TH17 cells or elevated messenger RNA (mRNA) levels of IL-17A and RORC in children without chronic inflammatory diseases. Methods: We studied peripheral blood samples from 15 overweight and 50 non overweight children without a history of autoimmune diseases, asthma, atopic dermatitis or allergic rhinoconjunctivitis. TH17 cells were quantified in Ionomycin stimulated peripheral blood mononuclear cells by flow cytometry using intracellular IL-17A staining. RORC- and IL-17A expressions were measured by real time PCR. Results: We found significantly elevated TH cell frequencies in overweight children compared then on-overweight controls with 34.7 +/- 1.5% of CD3+CD4+ cells versus 25.4 +/- 2.4% (mean +/- SEM, p = 0.0023), respectively. Moreover, TH cell frequencies correlated positively with body mass index (r = 0.42, p = 0.0005, respectively). The relative mRNA expression of RORC (p = 0.013) and IL-17A (p = 0.014) were upregulated in overweight compared to non-overweight children. Conclusion: Childhood obesity is an independent factor that is associated with an elevated frequency of circulating TH17 cells and higher expression of RORC- and IL-17A-mRNA after in vitro stimulation with Ionomycin. This might be due to the inflammatory activity of the fat tissue. Studies on TH17 immunity should not only be adjusted for acute and chronic inflammatory diseases but also for overweight. PMID- 29201027 TI - l-Citrulline Metabolism in Mice Augments CD4+ T Cell Proliferation and Cytokine Production In Vitro, and Accumulation in the Mycobacteria-Infected Lung. AB - Activation, recruitment, and effector function of T lymphocytes are essential for control of mycobacterial infection. These processes are tightly regulated in T cells by the availability of l-arginine within the microenvironment. In turn, mycobacterial infection dampens T cell responsiveness through arginase induction in myeloid cells, promoting sequestration of l-arginine within the local milieu. Here, we show T cells can replenish intracellular l-arginine through metabolism of l-citrulline to mediate inflammatory function, allowing anti-mycobacterial T cells to overcome arginase-mediated suppression. Furthermore, T cell l-citrulline metabolism is necessary for accumulation of CD4+ T cells at the site of infection, suggesting this metabolic pathway is involved during anti mycobacterial T cell immunity in vivo. Together, these findings establish a contribution for l-arginine synthesis by T cells during mycobacterial infection, and implicate l-citrulline as a potential immuno-nutrient to modulate host immunity. PMID- 29201028 TI - Shaping Innate Lymphoid Cell Diversity. AB - Innate lymphoid cells (ILCs) are a key cell type that are enriched at mucosal surfaces and within tissues. Our understanding of these cells is growing rapidly. Paradoxically, these cells play a role in maintaining tissue integrity but they also function as key drivers of allergy and inflammation. We present here the most recent understanding of how genomics has provided significant insight into how ILCs are generated and the enormous heterogeneity present within the canonical subsets. This has allowed the generation of a detailed blueprint for ILCs to become highly sensitive and adaptive sensors of environmental changes and therefore exquisitely equipped to protect immune surfaces. PMID- 29201029 TI - Virologic and Immunologic Characteristics in Mature Ducks with Acute Duck Hepatitis A Virus 1 Infection. AB - Duck hepatitis A virus 1 (DHAV-1) infection in mature ducks has previously been proposed as a small-animal model for human hepatitis A. However, basic research on the outcome of DHAV-1 infection in mature ducks is limited. Here, we examined the course of viremia, the characteristics of antibody responses, and the profiles of plasma cytokines in mature ducks infected with DHAV-1. During the course of infection, the viremia was detectable soon after infection and persisted for 196 days, however, the ducks presented as clinically asymptomatic. Specific and timely immunoglobulin G (IgG), IgM, and IgA1 responses were elicited. At the same time, extensive inhibition of viral replication was observed with increasing IgG concentration. With respect to pattern-recognition receptors, TLR-7 was mainly involved in triggering the innate defense against the DHAV-1 infection. In addition, plasma immune analytes were measured and were determined to have bidirectional roles in virus clearance. It was concluded that DHAV-1 spreads quickly in blood. The spontaneous clearance of DHAV-1 during asymptomatic infection in mature ducks depends on the cooperation of timely antibody responses and alert innate immune responses. Moreover, the delayed clearance may be associated with a weak interferon-gamma-producing CD8+ T cell response. This study allows us to reveal the mechanism of clearance and persistence of DHAV-1 infection in mature ducks. We anticipate that it will provide a basis for future studies focused on defining the nature mechanisms involved in the clearance and persistence of human hepatitis virus. PMID- 29201030 TI - Toll-Like Receptor 4, but Not Neutrophil Extracellular Traps, Promote IFN Type I Expression to Enhance Th2 Responses to Nippostrongylus brasiliensis. AB - The induction of Th2 responses is thought to be multifactorial, and emerge from specific pathways distinct from those associated with antagonistic antibacterial or antiviral Th1 responses. Here, we show that the recognition of non-viable Nippostrongylus brasiliensis (Nb) in the skin induces a strong recruitment of monocytes and neutrophils and the release of neutrophil extracellular traps (NETs). Nb also activates toll-like receptor 4 (TLR4) signaling with expression of Ifnb transcripts in the skin and the development of an IFN type I signature on helminth antigen-bearing dendritic cells in draining lymph nodes. Co-injection of Nb together with about 10,000 Gram-negative bacteria amplified this TLR4 dependent but NET-independent IFN type I response and enhanced the development of Th2 responses. Thus, a limited activation of antibacterial signaling pathways is able to boost antihelminthic responses, suggesting a role for bacterial sensing in the optimal induction of Th2 immunity. PMID- 29201032 TI - W342F Mutation in CCaMK Enhances Its Affinity to Calmodulin But Compromises Its Role in Supporting Root Nodule Symbiosis in Medicago truncatula. AB - The calcium/calmodulin-dependent protein kinase (CCaMK) is regulated by free Ca2+ and Ca2+-loaded calmodulin. This dual binding is believed to be involved in its regulation and associated physiological functions, although direct experimental evidence for this is lacking. Here we document that site-directed mutations in the calmodulin-binding domain of CCaMK alters its binding capacity to calmodulin, providing an effective approach to study how calmodulin regulates CCaMK in terms of kinase activity and regulation of rhizobial symbiosis in Medicago truncatula. We observed that mutating the tryptophan at position 342 to phenylalanine (W342F) markedly increased the calmodulin-binding capability of the mutant. The mutant CCaMK underwent autophosphorylation and catalyzed substrate phosphorylation in the absence of calcium and calmodulin. When the mutant W342F was expressed in ccamk-1 roots, the transgenic roots exhibited an altered nodulation phenotype. These results indicate that altering the calmodulin-binding domain of CCaMK could generate a constitutively activated kinase with a negative role in the physiological function of CCaMK. PMID- 29201031 TI - Age-Associated Changes in Estrogen Receptor Ratios Correlate with Increased Female Susceptibility to Coxsackievirus B3-Induced Myocarditis. AB - Sexual bias is a hallmark in various diseases. This review evaluates sexual dimorphism in clinical and experimental coxsackievirus B3 (CVB3) myocarditis, and how sex bias in the experimental disease changes with increased age. Coxsackieviruses are major causes of viral myocarditis, an inflammation of the heart muscle, which is more frequent and severe in men than women. Young male mice infected with CVB3 develop heart-specific autoimmunity and severe myocarditis. Females infected during estrus (high estradiol) develop T-regulatory cells and when infected during diestrus (low estradiol) develop autoimmunity similar to males. During estrus, protection depends on estrogen receptor alpha (ERalpha), which promotes type I interferon, activation of natural killer/natural killer T cells and suppressor cell responses. Estrogen receptor beta has opposing effects to ERalpha and supports pro-inflammatory immunity. However, the sexual dimorphism of the disease is significantly ameliorated in aged animals when old females become as susceptible as males. This correlates to a selective loss of the ERalpha that is required for immunosuppression. Therefore, sex-associated hormones control susceptibility in the virus-mediated disease, but their impact can alter with the age and physiological stage of the individual. PMID- 29201033 TI - Cell-Based Phenotyping Reveals QTL for Membrane Potential Maintenance Associated with Hypoxia and Salinity Stress Tolerance in Barley. AB - Waterlogging and salinity are two major abiotic stresses that hamper crop production world-wide resulting in multibillion losses. Plant abiotic stress tolerance is conferred by many interrelated mechanisms. Amongst these, the cell's ability to maintain membrane potential (MP) is considered to be amongst the most crucial traits, a positive relationship between the ability of plants to maintain highly negative MP and its tolerance to both salinity and waterlogging stress. However, no attempts have been made to identify quantitative trait loci (QTL) conferring this trait. In this study, the microelectrode MIFE technique was used to measure the plasma membrane potential of epidermal root cells of 150 double haploid (DH) lines of barley (Hordeum vulgare L.) from a cross between a Chinese landrace TX9425 and Japanese malting cultivar Naso Nijo under hypoxic conditions. A major QTL for the MP in the epidermal root cells in hypoxia-exposed plants was identified. This QTL was located on 2H, at a similar position to the QTL for waterlogging and salinity tolerance reported in previous studies. Further analysis confirmed that MP showed a significant contribution to both waterlogging and salinity tolerance. The fact that the QTL for MP was controlled by a single major QTL illustrates the power of the single-cell phenotyping approach and opens prospects for fine mapping this QTL and thus being more effective in marker assisted selection. PMID- 29201034 TI - Overexpression of NtPR-Q Up-Regulates Multiple Defense-Related Genes in Nicotiana tabacum and Enhances Plant Resistance to Ralstonia solanacearum. AB - Various classes of plant pathogenesis-related proteins have been identified in the past several decades. PR-Q, a member of the PR3 family encoding chitinases, has played an important role in regulating plant resistance and preventing pathogen infection. In this paper, we functionally characterized NtPR-Q in tobacco plants and found that the overexpression of NtPR-Q in tobacco Yunyan87 resulted in higher resistance to Ralstonia solanacearum inoculation. Surprisingly, overexpression of NtPR-Q led to the activation of many defense related genes, such as salicylic acid (SA)-responsive genes NtPR1a/c, NtPR2 and NtCHN50, JA-responsive gene NtPR1b and ET production-associated genes NtACC Oxidase and NtEFE26. Consistent with the role of NtPR-Q in multiple stress responses, NtPR-Q transcripts were induced by the exogenous hormones SA, ethylene and methyl jasmonate, which could enhance the resistance of tobacco to R. solanacearum. Collectively, our results suggested that NtPR-Q overexpression led to the up-regulation of defense-related genes and enhanced plant resistance to R. solanacearum infection. PMID- 29201035 TI - Effects of EPSPS Copy Number Variation (CNV) and Glyphosate Application on the Aromatic and Branched Chain Amino Acid Synthesis Pathways in Amaranthus palmeri. AB - A key enzyme of the shikimate pathway, 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS; EC 2.5.1.19), is the known target of the widely used herbicide glyphosate. Glyphosate resistance in Amaranthus palmeri, one of the most troublesome weeds in agriculture, has evolved through increased EPSPS gene copy number. The aim of this work was to study the pleiotropic effects of (i) EPSPS increased transcript abundance due to gene copy number variation (CNV) and of (ii) glyphosate application on the aromatic amino acid (AAA) and branched chain amino acid (BCAA) synthesis pathways. Hydroponically grown glyphosate sensitive (GS) and glyphosate resistant (GR) plants were treated with glyphosate 3 days after treatment. In absence of glyphosate treatment, high EPSPS gene copy number had only a subtle effect on transcriptional regulation of AAA and BCAA pathway genes. In contrast, glyphosate treatment provoked a general accumulation of the transcripts corresponding to genes of the AAA pathway leading to synthesis of chorismate in both GS and GR. After chorismate, anthranilate synthase transcript abundance was higher while chorismate mutase transcription showed a small decrease in GR and remained stable in GS, suggesting a regulatory branch point in the pathway that favors synthesis toward tryptophan over phenylalanine and tyrosine after glyphosate treatment. This was confirmed by studying enzyme activities in vitro and amino acid analysis. Importantly, this upregulation was glyphosate dose dependent and was observed similarly in both GS and GR populations. Glyphosate treatment also had a slight effect on the expression of BCAA genes but no general effect on the pathway could be observed. Taken together, our observations suggest that the high CNV of EPSPS in A. palmeri GR populations has no major pleiotropic effect on the expression of AAA biosynthetic genes, even in response to glyphosate treatment. This finding supports the idea that the fitness cost associated with EPSPS CNV in A. palmeri may be limited. PMID- 29201036 TI - Nitrogen Deposition Enhances Photosynthesis in Moso Bamboo but Increases Susceptibility to Other Stress Factors. AB - Atmospheric nitrogen (N) deposition can increase the susceptibility of vascular plants to other stresses, but the physiological basis of such a response remains poorly understood. This study was designed to clarify the physiological mechanisms and to evaluate bioindicators of N deposition impact on vascular plants. We evaluate multiple physiological responses to ~4 years of simulated additional N deposition (30-90 kg N ha-1 year-1) on three age-classes (1a, 3a, and 5a) of Moso bamboo. A saturating response to the additional N deposition was found both in foliar N concentration and in Pn. However, 3- and 5-year-old bamboo seemed to be less tolerant to extremely high N deposition than 1-year-old bamboo since they were saturated at a lower N addition. Furthermore, C/N/P stoichiometric ratios were very sensitive to N deposition in all three-age classes of bamboo, but the responses to N deposition in the various age-classes were diverse. We also found that the highest additional N deposition suppressed stomatal conductance and transpiration rate, suggesting an induced water stress. The stress induced by the high N load was also seen in photochemistry, where it reduced potential and actual photosynthetic use of light energy, diminished photo protection capacity, and increased risk of the photo-damage. High additional N deposition contributed to a decrease in the foliar soluble protein contents and to an increase in the peroxidase activity (POD). Our study suggested, for the first time, that although the photosynthetic rate was enhanced by the increased N deposition in Moso bamboo, long-term high N load causes negative effects, such as damage to photosystem II. In Moso bamboo photochemical parameters are more sensitive to N deposition than photosynthetic rate or foliar N concentration. Furthermore, plant age should be taken into account when assessing plants' susceptibility to changes in global change drivers, such as N deposition. These findings facilitate the revealing of the risks potentially caused to vascular plants by increased N deposition before any visible symptoms of injury are seen. PMID- 29201037 TI - Transcriptomic Response of Resistant (PI613981-Malus sieversii) and Susceptible ("Royal Gala") Genotypes of Apple to Blue Mold (Penicillium expansum) Infection. AB - Malus sieversii from Central Asia is a progenitor of the modern domesticated apple (Malus * domestica). Several accessions of M. sieversii are highly resistant to the postharvest pathogen Penicillium expansum. A previous study identified the qM-Pe3.1 QTL on LG3 for resistance to P. expansum in the mapping population GMAL4593, developed using the resistant accession, M. sieversii PI613981, and the susceptible cultivar "Royal Gala" (RG) (M. domestica), as parents. The goal of the present study was to characterize the transcriptomic response of susceptible RG and resistant PI613981 apple fruit to wounding and inoculation with P. expansum using RNA-Seq. Transcriptomic analyses 0-48 h post inoculation suggest a higher basal level of resistance and a more rapid and intense defense response to wounding and wounding plus inoculation with P. expansum in M. sieversii -PI613981 than in RG. Functional analysis showed that ethylene-related genes and genes involved in "jasmonate" and "MYB-domain transcription factor family" were over-represented in the resistant genotype. It is suggested that the more rapid response in the resistant genotype (Malus sieversii-PI613981) plays a major role in the resistance response. At least twenty DEGs were mapped to the qM-Pe3.1 QTL (M * d v.1: 26,848,396-28,424,055) on LG3, and represent potential candidate genes responsible for the observed resistance QTL in M. sieversii-PI613981. RT-qPCR of several of these genes was used to validate the RNA-Seq data and to confirm their higher expression in MS0. PMID- 29201039 TI - Multitemporal Volume Registration for the Analysis of Rheumatoid Arthritis Evolution in the Wrist. AB - This paper describes a method based on an automatic segmentation process to coregister carpal bones of the same patient imaged at different time points. A rigid registration was chosen to avoid artificial bone deformations and to allow finding eventual differences in the bone shape due to erosion, disease regression, or other eventual pathological signs. The actual registration step is performed on the basis of principal inertial axes of each carpal bone volume, as estimated from the inertia matrix. In contrast to already published approaches, the proposed method suggests splitting the 3D rotation into successive rotations about one axis at a time (the so-called basic or elemental rotations). In such a way, singularity and ambiguity drawbacks affecting other classical methods, for instance, the Euler angles method, are addressed. The proposed method was quantitatively evaluated using a set of real magnetic resonance imaging (MRI) sequences acquired at two different times from healthy wrists and by choosing a direct volumetric comparison as a cost function. Both the segmentation and registration steps are not based on a priori models, and they are therefore able to obtain good results even in pathological cases, as proven by the visual evaluation of actual pathological cases. PMID- 29201038 TI - Anatomical Alterations in Plant Tissues Induced by Plant-Parasitic Nematodes. AB - Plant-parasitic nematodes (PPNs) interact with plants in different ways, for example, through subtle feeding behavior, migrating destructively through infected tissues, or acting as virus-vectors for nepoviruses. They are all obligate biotrophic parasites as they derive their nutrients from living cells which they modify using pharyngeal gland secretions prior to food ingestion. Some of them can also shield themselves against plant defenses to sustain a relatively long lasting interaction while feeding. This paper is centered on cell types or organs that are newly induced in plants during PPN parasitism, including recent approaches to their study based on molecular biology combined with cell biology histopathology. This issue has already been reviewed extensively for major PPNs (i.e., root-knot or cyst nematodes), but not for other genera (viz. Nacobbus aberrans, Rotylenchulus spp.). PPNs have evolved with plants and this co evolution process has allowed the induction of new types of plant cells necessary for their parasitism. There are four basic types of feeding cells: (i) non hypertrophied nurse cells; (ii) single giant cells; (iii) syncytia; and (iv) coenocytes. Variations in the structure of these cells within each group are also present between some genera depending on the nematode species viz. Meloidogyne or Rotylenchulus. This variability of feeding sites may be related in some way to PPN life style (migratory ectoparasites, sedentary ectoparasites, migratory ecto endoparasites, migratory endoparasites, or sedentary endoparasites). Apart from their co-evolution with plants, the response of plant cells and roots are closely related to feeding behavior, the anatomy of the nematode (mainly stylet size, which could reach different types of cells in the plant), and the secretory fluids produced in the pharyngeal glands. These secretory fluids are injected through the stylet into perforated cells where they modify plant cytoplasm prior to food removal. Some species do not produce specialized feeding sites (viz. Ditylenchus, Subanguina), but may develop a specialized modification of the root system (e.g., unspecialized root galls or a profusion of roots). This review introduces new data on cell types and plant organs stimulated by PPNs using sources varying from traditional histopathology to new holistic methodologies. PMID- 29201040 TI - Caffeoylquinic Acid-Rich Extract of Aster glehni F. Schmidt Ameliorates Nonalcoholic Fatty Liver through the Regulation of PPARdelta and Adiponectin in ApoE KO Mice. AB - Aster glehni is well known for its therapeutic properties. This study was performed to investigate the effects of A. glehni on nonalcoholic fatty liver disease (NAFLD) in atherosclerotic condition, by determining the levels of biomarkers related to lipid metabolism and inflammation in serum, liver, and adipose tissue. Body and abdominal adipose tissue weights and serum triglyceride level decreased in all groups treated with A. glehni. Serum adiponectin concentration and protein levels of peroxisome proliferator-activated receptor delta, 5' adenosine monophosphate-activated protein kinase, acetyl-CoA carboxylase, superoxide dismutase, and PPARgamma coactivator 1-alpha in liver tissues increased in the groups treated with A. glehni. Conversely, protein levels of ATP citrate lyase, fatty acid synthase, tumor necrosis factor alpha, and 3-hydroxy-3-methylglutaryl-CoA reductase and the concentrations of interleukin 6 and reactive oxygen species decreased upon A. glehni. Triglyceride concentration in the liver was lower in mice treated with A. glehni than in control mice. Lipid accumulation in HepG2 and 3T3-L1 cells decreased upon A. glehni treatment; this effect was suppressed in the presence of the PPARdelta antagonist, GSK0660. Our findings suggest that A. glehni extracts may ameliorate NAFLD through regulation of PPARdelta, adiponectin, and the related subgenes. PMID- 29201041 TI - Decoding of Human Movements Based on Deep Brain Local Field Potentials Using Ensemble Neural Networks. AB - Decoding neural activities related to voluntary and involuntary movements is fundamental to understanding human brain motor circuits and neuromotor disorders and can lead to the development of neuromotor prosthetic devices for neurorehabilitation. This study explores using recorded deep brain local field potentials (LFPs) for robust movement decoding of Parkinson's disease (PD) and Dystonia patients. The LFP data from voluntary movement activities such as left and right hand index finger clicking were recorded from patients who underwent surgeries for implantation of deep brain stimulation electrodes. Movement-related LFP signal features were extracted by computing instantaneous power related to motor response in different neural frequency bands. An innovative neural network ensemble classifier has been proposed and developed for accurate prediction of finger movement and its forthcoming laterality. The ensemble classifier contains three base neural network classifiers, namely, feedforward, radial basis, and probabilistic neural networks. The majority voting rule is used to fuse the decisions of the three base classifiers to generate the final decision of the ensemble classifier. The overall decoding performance reaches a level of agreement (kappa value) at about 0.729 +/- 0.16 for decoding movement from the resting state and about 0.671 +/- 0.14 for decoding left and right visually cued movements. PMID- 29201042 TI - Adaptive Compressive Sensing of Images Using Spatial Entropy. AB - Compressive Sensing (CS) realizes a low-complex image encoding architecture, which is suitable for resource-constrained wireless sensor networks. However, due to the nonstationary statistics of images, images reconstructed by the CS-based codec have many blocking artifacts and blurs. To overcome these negative effects, we propose an Adaptive Block Compressive Sensing (ABCS) system based on spatial entropy. Spatial entropy measures the amount of information, which is used to allocate measuring resources to various regions. The scheme takes spatial entropy into consideration because rich information means more edges and textures. To reduce the computational complexity of decoding, a linear mode is used to reconstruct each block by the matrix-vector product. Experimental results show that our ABCS coding system provides a better reconstruction quality from both subjective and objective points of view, and it also has a low decoding complexity. PMID- 29201044 TI - Ischaemic Preconditioning Suppresses Necrosis of Adipocutaneous Flaps in a Diabetic Rat Model Regardless of the Manner of Preischaemia Induction. AB - Ischaemic insult in the skin flaps is a major problem in reconstructive surgery particularly in patients with diabetes mellitus. Here, we sought to investigate the effectiveness of ischaemic preconditioning (IP) on diabetic skin flaps in rat animal model. Hundred Wistar rats (90 streptozotocin treated animals and 10 nondiabetic controls) were used. Diabetes mellitus was confirmed by measuring glucose level in blood, HbA1c, and ketonuria. We used blood vessel clamping, hind limb tourniquet, and NO donors (Spermine/NO complex) to induce short-term ischaemia of tissues that will be excised for skin flaps. Animals were followed for 5 days. Flaps were photographed at day 5 and percent of necrosis was determined using planimetry. Significant decrease in percent of necrotic tissue in all groups that received preconditioning was observed. Results show that ischaemic preconditioning suppresses flap necrosis in diabetic rats irrespective of direct or remote tissue IP and irrespective of chemically or physically induced preischaemia. Spermine/NO complex treatment 10 minutes after the flap ischaemia suppressed tissue necrosis. Treatment with NO synthase inhibitor L-NAME reversed effects of IP showing importance of NO for this process. We show that IP is a promising approach for suppression of tissue necrosis in diabetic flaps and potential of NO pathway as therapeutic target in diabetic flaps. PMID- 29201043 TI - Clinical and Genetic Review of Hereditary Acral Reticulate Pigmentary Disorders. AB - Reticulated pigmentation is a unique pigmentary change caused by a heterogeneous group of hereditary and acquired disorders. This pigmentation is characterized by a mottled appearance, with lesions that vary in size and pigmentary content. This review discusses the hereditary group of the reticulated pigmentation disorders, such as dyschromatosis symmetrica hereditaria, dyschromatosis universalis hereditaria, and reticulate acropigmentation of Kitamura. The clinical presentation and histopathological features often overlap, making diagnosis difficult. However, each of these hereditary conditions possesses a unique genetic mutation, and genetic analysis is thus more useful in the diagnosis of these conditions. This article delivers an update regarding the clinical features, detailed histopathological description, and genetic information concerning hereditary reticulate pigmentary disorders and aims to provide useful background for use by clinical dermatologists and histopathologists when approaching this group of hereditary disorders. PMID- 29201045 TI - Functional Bowel Disorders Are Associated with a Central Immune Activation. AB - Background: Subjects with depression and unexplained neurological symptoms have a high prevalence of gastrointestinal comorbidity probably related to the brain-gut communication. This study explored associations between functional gastrointestinal disorders (FGID) and inflammatory markers in subjects with these disorders. Methods: The FGID, including irritable bowel syndrome (IBS), were classified according to the Rome III criteria, and degree of symptoms was assessed with IBS symptom severity score (IBS-SSS). A range of interleukins (IL), chemokines and growth factors, tryptophan, and kynurenine were analysed in serum and the cerebrospinal fluid (CSF), and short-chain fatty acids (SCFA) were analysed in the faeces. The results are reported as partial correlation (pc) and p values. Results: Sixty-six subjects were included. IBS was associated with high levels of tryptophan (p = 0.048) and kynurenine (p = 0.019) and low level of IL 10 (p = 0.047) in the CSF. IBS-SSS was associated with high tumor necrosis factor and low IL-10 in the CSF; pc = 0.341 and p = 0.009 and pc = -0.299 and p = 0.023, respectively. Propionic minus butyric acid in faeces was negatively associated with IL-10 in the CSF (pc = -0.416, p = 0.005). Conclusions: FGID were associated with a proinflammatory immune activation in the central nervous system and a disturbed tryptophan metabolism that could have been mediated by the faecal microbiota. PMID- 29201046 TI - Parallel Changes in Harvey-Bradshaw Index, TNFalpha, and Intestinal Fatty Acid Binding Protein in Response to Infliximab in Crohn's Disease. AB - : Intestinal fatty acid binding protein (I-FABP) indicates barrier integrity. AIMS: determine if I-FABP is elevated in active Crohn's disease (CD) and if I FABP parallels anti-TNFalpha antibody (infliximab) induced lowering of TNFalpha and Harvey-Bradshaw Index (HBI) as potential indicator of mucosal healing. I-FABP distribution along human gut was determined. Serum from 10 CD patients collected during first three consecutive infliximab treatments with matched pretreatment and follow-up samples one week after each treatment and corresponding HBI data were analyzed. I-FABP reference interval was established from 31 healthy subjects with normal gut permeability. I-FABP and TNFalpha were measured by ELISA; CRP was measured by nephelometry. Healthy tissue was used for I-FABP immunohistochemistry. Pretreatment CD patient TNFalpha was 1.6-fold higher than in-house reference interval, while I-FABP was 2.5-fold higher, which lowered at follow-ups. Combining all 30 infusion/follow-up pairs also revealed changes in I FABP. HBI followed this pattern; CRP declined gradually. I-FABP was expressed in epithelium of stomach, jejunum, ileum, and colon, with the highest expression in jejunum and ileum. I-FABP is elevated in active CD with a magnitude comparable to TNFalpha. Parallel infliximab effects on TNFalpha, HBI, and I-FABP were found. I FABP may be useful as an intestine selective prognostic marker in CD. PMID- 29201047 TI - Pulmonary Complications after Surgery for Rectal Cancer in Elderly Patients: Evaluation of Laparoscopic versus Open Approach from a Multicenter Study on 477 Consecutive Cases. AB - Aim: To evaluate the impact of open or laparoscopic rectal surgery on pulmonary complications in elderly (>75 years old) patients. Methods: Data from consecutive patients who underwent elective laparoscopic or open rectal surgery for cancer were collected prospectively from 3 institutions. Pulmonary complications were defined according to the ACS/NSQUIP definition. Results: A total of 477 patients (laparoscopic group: 242, open group: 235) were included in the analysis. Postoperative pulmonary complications were significantly more common after open surgery (8 out of 242 patients (3.3%) versus 23 out of 235 patients (9.8%); p = 0.005). In addition, PPC occurrence was associated with the increasing of postoperative pain (5.04 +/- 1.62 versus 5.03 +/- 1.58; p = 0.001) and the increasing of operative time (270.06 +/- 51.49 versus 237.37 +/- 65.97; p = 0.001). Conclusion: Our results are encouraging to consider laparoscopic surgery a safety and effective way to treat rectal cancer in elderly patients, highlighting that laparoscopic surgery reduces the occurrence of postoperative pulmonary complications. PMID- 29201048 TI - Drug Errors and Protocol for Prevention among Anaesthetists in Nigeria. AB - Background: Drugs are often prescribed, dispensed, and administered by the same person during anaesthesia, and this may increase the risk of drug error. Objectives: To assess the frequency of drug administration errors by anaesthetists, the drugs commonly involved, and the effects of such errors. Method: A questionnaire-based study was carried out among participants at an annual conference of Nigerian anaesthetists. Sixty-six of the 80 participants returned the completed questionnaire. The respondents comprised 1 nurse anaesthetist, 34 resident doctors, 3 doctors with diploma in anaesthesia, and 28 consultant anaesthetists. The collated data on drug errors, the effect of such errors on patients, and formulated protocols to prevent future occurrence were subjected to descriptive analysis using Microsoft Excel. Result: Drug error was reported by 71.21% and witnessed by 22.72% of the respondents. Most of the drug errors occurred during general anaesthesia (90.3%) for emergency procedures (51.61%), and muscle relaxants were most commonly involved (58.06%). Conclusion: Drug errors are common among anaesthetists in Nigeria and their incidence is greater during general anaesthesia for emergency procedures, largely as a result of ampoule swaps due to similarities in ampoule design and packaging. Guidelines on their prevention should be developed by all health institutions. PMID- 29201049 TI - Metals in Fishes from Yongshu Island, Southern South China Sea: Human Health Risk Assessment. AB - In order to assess the bioaccumulation of metals associated with gender, tissues, and their potential ecological risk, four species of fish were collected from the Yongshu Island in the Southern South China Sea. Metals and stable Pb isotopes in their tissues (muscle, gill, liver, intestine, and ovary) were determined. The concentrations of metals (mg/kg, dry weight) in these species were ND-21.60 (Cd), 1.21-4.87 (Cr), 0.42-22.4 (Cu), 1.01-51.8 (Mn), 0.30-3.28 (Ni), 6.04-1.29 * 103 (Zn), 14.89-1.40 * 103 (Fe), and 0.22-3.36 (Pb). In general, the liver and intestine absorbed more metals than the other tissues. Metals accumulation can be influenced by gender and feeding behavior and in fact, female fish and dietary exposure are more prone to accumulate metals. In addition, Pb isotopic ratios indicated that all species had significant biological fractionation, which may not make them good tracers for source identification. The metal concentrations of most samples were lower than the national standard values of the FAO (USA), which suggested that human consumption of these species may not cause health risks. However, since the surrounding areas are developing rapidly, the potential environmental risk of metals will intensify and should receive more attention. PMID- 29201050 TI - The Role of AChE in Swimming Behavior of Daphnia magna: Correlation Analysis of Both Parameters Affected by Deltamethrin and Methomyl Exposure. AB - The unpredictable toxicity of insecticides may cause behavior disorder of biological organisms. In order to assess the role of acetylcholinesterase (AChE) in swimming behavior of Daphnia magna, a correlation analysis of both parameters in 24 h exposure of deltamethrin (DM) and methomyl (MT) was investigated. The behavior responses of D. magna in DM (13.36 MUg/L and 33.40 MUg/L) and MT (19.66 MUg/L and 49.15 MUg/L) suggested that recovery behavior in the adjustment phase was crucial, and behavior homeostasis provided them with an optimal way to achieve a wider tolerance against environmental stress. During the experiment, positive effects on AChE activity occurred in the beginning of the exposure. Even though the de novo synthesis of AChE in D. magna might help it recover, the AChE inhibition in different treatments could be observed. Some induction effects on AChE activity at the beginning of exposure occurred, and a 50% decrease may cause toxic effects on behavior. In most treatments, the results showed that both behavior strength and AChE activity stayed in the same field within a correlation circle. These results illustrated that the environmental stress caused by both DM and MT could inhibit AChE activity and subsequently induce a stepwise behavior response, though both pesticides affect it as direct and indirect inhibitors, respectively. PMID- 29201051 TI - Psychometric Properties of Diabetes Management Self-Efficacy in Thai Type 2 Diabetes Mellitus Patients: A Multicenter Study. AB - Objective: The aims of this study were to translate and psychometrically evaluate the Thai version of diabetes management self-efficacy scale (T-DMSES) and to examine its association with HbA1c control in diabetic individuals. Methods: This study recruited patients from outpatient diabetes clinics of both community and university hospitals. The first phases of this study involved translation of the existing DMSES into Thai, and in the second phase, we evaluated its psychometric properties. The construct validity was evaluated using confirmatory factor analysis. Criterion validity of DMSES was subsequently evaluated by examining DMSES's association with HbA1c control. Results: The T-DMSES contains 20 items across four factors. Confirmatory factor analysis demonstrated the construct validity of T-DMSES (chi2 = 645.142, df = 164, p < 0.001, CFI = 0.98, RMSEA = 0.065, TLI = 0.977, and AGFI = 0.981). The T-DMSES was also shown to be criterion valid with most subscales highly associated with HbA1c control. Conclusion: The T DMSES was shown to have good psychometric properties. It is likely to provide valuable insights into the epidemiology of diabetes management self-efficacy and may also prove useful in evaluating interventions for raising diabetes management self-efficacy, which in turn, improve both patient self-management and blood sugar control. PMID- 29201052 TI - Rapid Action of Aldosterone on Protein Levels of Sodium-Hydrogen Exchangers and Protein Kinase C Beta Isoforms in Rat Kidney. AB - Previous in vitro studies demonstrated that aldosterone rapidly activates sodium hydrogen exchangers 1 and 3 (NHE 1 and 3). In vitro investigations revealed that protein kinase C (PKC) regulates NHE properties. We previously demonstrated that aldosterone rapidly enhances PKCalpha protein abundance in the rat kidney. There are no reports of renal PKCbeta (I and II) protein levels related to the regulation by aldosterone. There are also no in vivo data regarding the rapid effects of aldosterone on renal protein levels of NHE (1 and 3) and PKCbeta (I and II), simultaneously. In the current study, rats received normal saline solution or aldosterone (150 MUg/kg BW, i.p.). After 30 minutes, abundance and immunoreactivity of these proteins were determined by Western blot analysis and immunohistochemistry, respectively. Aldosterone increased NHE1 and NHE3 protein abundance to 152% and 134%, respectively (P < 0.05). PKCbetaI protein level was enhanced by 30%, whereas PKCbetaII declined slightly. Aldosterone increased NHE protein expression mostly in the medulla. PKCbetaI immunostaining intensity was increased in the glomeruli, renal vasculature, and thin limb of the loop of Henle, while PKCbetaII was reduced. This is the first in vivo study to simultaneously demonstrate that aldosterone rapidly elevates PKCbetaI and NHE (1 and 3) protein abundance in the rat kidney. Aldosterone-induced NHE (1 and 3) protein levels may be related to PKCbetaI activation. PMID- 29201053 TI - Superfast Set, Strong and Less Degradable Mineral Trioxide Aggregate Cement. AB - Purpose: Despite the good sealing ability and biocompatibility of mineral trioxide aggregate (MTA), its slow setting, high degradation, and weakness limit its use in surgical endodontics and high stress-bearing areas. This study aimed to develop two new liquids to control these drawbacks. They were prepared from calcium chloride, fumed silica, and hydroxyapatite or calcium phosphate and coded "H" and "P," respectively. Methods: Portland cement, Grey ProRoot(r) MTA, and white ProRoot MTA were mixed with distilled water (control) or liquid "H" or "P." The pH, setting time, degradation rate, leachant/precipitate' composition, compressive strength, and morphology were assessed. Results: Both liquids maintained MTA's high alkalinity and reduced the setting time by 1-2 orders of magnitude. Both liquids, H in particular, significantly reduced the degradation rate of Grey ProRoot and White ProRoot MTA(r). Calcite has been identified as the main phase of the leachant or precipitate formed during the cement's degradation. Calcium hydroxide or hydroxyapatite was also identified with Grey ProRoot MTA mixed with H liquid. These liquids also significantly increased the compressive strength with no statistical differences between them; this was associated with the production of dense, consolidated structures. Conclusions: The modified MTA could be used in surgical endodontics and high stress-bearing areas. PMID- 29201054 TI - Antibacterial Effects of Natural Herbal Extracts on Streptococcus mutans: Can They Be Potential Additives in Dentifrices? AB - Background: Many plants or herbs exhibit potent antimicrobial activity against various microorganisms. They have no side effects and presumably act against and modulate the factors that are crucial for microbial survival or their activity. Streptococcus mutans is a pioneer bacteria implicated in dental caries. This study aims to evaluate the antimicrobial activity of garlic bulbs, pudina leaves, and mango and eucalyptus twig extracts on Streptococcus mutans by evaluating their zone of inhibition and determining their minimum inhibitory concentration (MIC). Methods: Microbiological assay (well diffusion method) to determine zone of inhibition against pure forms of Streptococcus mutans was performed. The antibacterial effects of methanolic extracts of mango twigs, eucalyptus twigs, pudina leaves, and garlic bulbs were studied. Test compounds were further evaluated for their MIC. Results: Extracts derived from mango and eucalyptus twigs showed significant antibacterial effects at test concentrations. Pudina and garlic extracts did not show any significant antibacterial effects at similar concentrations. Upon further evaluation of the 2 positive compounds for their MIC, mango twigs demonstrated more antimicrobial potential than eucalyptus twigs at a lower concentration. Conclusion: Our observations indicated that the mango twig extracts possess higher antibacterial effects against Streptococcus mutans than other compounds at specific test concentration. PMID- 29201055 TI - Comparison of Attenuated Total Reflectance Mid-Infrared, Near Infrared, and 1H Nuclear Magnetic Resonance Spectroscopies for the Determination of Coffee's Geographical Origin. AB - The sensorial properties of Colombian coffee are renowned worldwide, which is reflected in its market value. This raises the threat of fraud by adulteration using coffee grains from other countries, thus creating a demand for robust and cost-effective methods for the determination of geographical origin of coffee samples. Spectroscopic techniques such as Nuclear Magnetic Resonance (NMR), near infrared (NIR), and mid-infrared (mIR) have arisen as strong candidates for the task. Although a body of work exists that reports on their individual performances, a faithful comparison has not been established yet. We evaluated the performance of 1H-NMR, Attenuated Total Reflectance mIR (ATR-mIR), and NIR applied to fraud detection in Colombian coffee. For each technique, we built classification models for discrimination by species (C. arabica versus C. canephora (or robusta)) and by origin (Colombia versus other C. arabica) using a common set of coffee samples. All techniques successfully discriminated samples by species, as expected. Regarding origin determination, ATR-mIR and 1H-NMR showed comparable capacity to discriminate Colombian coffee samples, while NIR fell short by comparison. In conclusion, ATR-mIR, a less common technique in the field of coffee adulteration and fraud detection, emerges as a strong candidate, faster and with lower cost compared to 1H-NMR and more discriminating compared to NIR. PMID- 29201056 TI - Development of a Rapid and Simple Method to Remove Polyphenols from Plant Extracts. AB - Polyphenols are secondary metabolites of plants, which are responsible for prevention of many diseases. Polyvinylpolypyrrolidone (PVPP) has a high affinity towards polyphenols. This method involves the use of PVPP column to remove polyphenols under centrifugal force. Standards of gallic acid, epigallocatechin gallate, vanillin, and tea extracts (Camellia sinensis) were used in this study. PVPP powder was packed in a syringe with different quantities. The test samples were layered over the PVPP column and subjected to centrifugation. Supernatant was tested for the total phenol content. The presence of phenolic compounds and caffeine was screened by HPLC and measuring the absorbance at 280. The antioxidant capacity of standards and tea extracts was compared with the polyphenol removed fractions using DPPH scavenging assay. No polyphenols were found in polyphenolic standards or tea extracts after PVPP treatment. The method described in the present study to remove polyphenols is simple, inexpensive, rapid, and efficient and can be employed to investigate the contribution of polyphenols present in natural products to their biological activity. PMID- 29201057 TI - Crosstalk between Substrates and Rho-Associated Kinase Inhibitors in Cryopreservation of Tissue-Engineered Constructs. AB - It is documented that human mesenchymal stem cells (hMSCs) can be differentiated into various types of cells to present a tool for tissue engineering and regenerative medicine. Thus, the preservation of stem cells is a crucial factor for their effective long-term storage that further facilitates their continuous supply and transportation for application in regenerative medicine. Cryopreservation is the most important, practicable, and the only established mechanism for long-term preservation of cells, tissues, and organs, and engineered tissues; thus, it is the key step for the improvement of tissue engineering. A significant portion of MSCs loses cellular viability while freeze thawing, which represents an important technical limitation to achieving sufficient viable cell numbers for maximum efficacy. Several natural and synthetic materials are extensively used as substrates for tissue engineering constructs and cryopreservation because they promote cell attachment and proliferation. Rho-associated kinase (ROCK) inhibitors can improve the physiological function and postthaw viability of cryopreserved MSCs. This review proposes a crosstalk between substrate topology and interaction of cells with ROCK inhibitors. It is shown that incorporation of ionic nanoparticles in the presence of an external electrical field improves the generation of ROCK inhibitors to safeguard cellular viability for the enhanced cryopreservation of engineered tissues. PMID- 29201058 TI - Comparing Circadian Dynamics in Primary Derived Stem Cells from Different Sources of Human Adult Tissue. AB - Optimising cell/tissue constructs so that they can be successfully accepted and integrated within a host body is essential in modern tissue engineering. To do this, adult stem cells are frequently utilised, but there are many aspects of their environment in vivo that are not completely understood. There is evidence to suggest that circadian rhythms and daily circadian temporal cues have substantial effects on stem cell activation, cell cycle, and differentiation. It was hypothesised that the circadian rhythm in human adult stem cells differs depending on the source of tissue and that different entraining signals exert differential effects depending on the anatomical source. Dexamethasone and rhythmic mechanical stretch were used to synchronise stem cells derived from the bone marrow, tooth dental pulp, and abdominal subcutaneous adipose tissue, and it was experimentally evidenced that these different stem cells differed in their circadian clock properties in response to different synchronisation mechanisms. The more primitive dental pulp-derived stem cells did not respond as well to the chemical synchronisation but showed temporal clock gene oscillations following rhythmic mechanical stretch, suggesting that incorporating temporal circadian information of different human adult stem cells will have profound implications in optimising tissue engineering approaches and stem cell therapies. PMID- 29201059 TI - A Look into Stem Cell Therapy: Exploring the Options for Treatment of Ischemic Stroke. AB - Neural stem cells (NSCs) offer a potential therapeutic benefit in the recovery from ischemic stroke. Understanding the role of endogenous neural stem and progenitor cells under normal physiological conditions aids in analyzing their effects after ischemic injury, including their impact on functional recovery and neurogenesis at the site of injury. Recent animal studies have utilized unique subsets of exogenous and endogenous stem cells as well as preconditioning with pharmacologic agents to better understand the best situation for stem cell proliferation, migration, and differentiation. These stem cell therapies provide a promising effect on stimulation of endogenous neurogenesis, neuroprotection, anti-inflammatory effects, and improved cell survival rates. Clinical trials performed using various stem cell types show promising results to their safety and effectiveness on reducing the effects of ischemic stroke in humans. Another important aspect of stem cell therapy discussed in this review is tracking endogenous and exogenous NSCs with magnetic resonance imaging. This review explores the pathophysiology of NSCs on ischemic stroke, stem cell therapy studies and their effects on neurogenesis, the most recent clinical trials, and techniques to track and monitor the progress of endogenous and exogenous stem cells. PMID- 29201060 TI - Osteogenic Differentiation of hDPSCs on Biogenic Bone Apatite Thin Films. AB - A previous study reported the structural characterization of biogenic apatite (BAp) thin films realized by a pulsed electron deposition system by ablation of deproteinized bovine bone. Thin films annealed at 400 degrees C exhibited composition and crystallinity degree very close to those of biogenic apatite; this affinity is crucial for obtaining faster osseointegration compared to conventional, thick hydroxyapatite (HA) coatings, for both orthopedics and dentistry. Here, we investigated the adhesion, proliferation, and osteogenic differentiation of human dental pulp stem cells (hDPCS) on as-deposited and heat treated BAp and stoichiometric HA. First, we showed that heat-treated BAp films can significantly promote hDPSC adhesion and proliferation. Moreover, hDPSCs, while initially maintaining the typical fibroblast-like morphology and stemness surface markers, later started expressing osteogenic markers such as Runx-2 and OSX. Noteworthy, when cultured in an osteogenic medium on annealed BAp films, hDPSCs were also able to reach a more mature and terminal commitment, with respect to HA and as-deposited films. Our findings suggest that annealed BAp films not only preserve the typical biological properties of stemness of, hDPSCs but also improve their ability of osteogenic commitment. PMID- 29201061 TI - Selective and Irreversible Induction of Necroptotic Cell Death in Lung Tumorspheres by Short-Term Exposure to Verapamil in Combination with Sorafenib. AB - The presence of highly resistant cancer cells and the toxicity to normal cells are key factors that limit chemotherapy. Here, we used two models of highly resistant lung cancer cells: (1) adherent cells growing under prolonged periods of serum starvation (PPSS) and (2) cells growing as floating tumorspheres (FTs) to evaluate the effect of Verapamil (VP) in combination with Sorafenib (SF). Compared to cells growing under routine culture conditions (RCCs), PPPS cells or FTs were highly sensitive to short-term exposure (24 h) to VP 100 MUM + SF 5 MUM (VP100 + SF5). Recovery experiments exposing cells to VP100 + SF5 for 24 h followed by incubation in drug-free media for 48 h demonstrated that while PPSS as well as FT cells were unable to recover, cancer cells and the noncancerous cell line Beas-2B growing under RCCs were less sensitive and were also able to recover significantly. VP100 + SF5 induced significant changes in the expression of protein associated with apoptosis, autophagy, and to a lesser extent necroptosis. Coincubation experiments with z-VAD-FMK, necrostatin 1, or chloroquine showed evidence that necroptosis played a central role. Our data demonstrates that highly resistant cancer cells can be selectively eliminated by VP + SF and that necroptosis plays a central role. PMID- 29201062 TI - Comparative Analysis of Spontaneous and Stimulus-Evoked Calcium Transients in Proliferating and Differentiating Human Midbrain-Derived Stem Cells. AB - Spontaneous cytosolic calcium transients and oscillations have been reported in various tissues of nonhuman and human origin but not in human midbrain-derived stem cells. Using confocal microfluorimetry, we studied spontaneous calcium transients and calcium-regulating mechanisms in a human ventral mesencephalic stem cell line undergoing proliferation and neuronal differentiation. Spontaneous calcium transients were detected in a large fraction of both proliferating (>50%) and differentiating (>55%) cells. We provide evidence for the existence of intracellular calcium stores that respond to muscarinic activation of the cells, having sensitivity for ryanodine and thapsigargin possibly reflecting IP3 receptor activity and the presence of ryanodine receptors and calcium ATPase pumps. The observed calcium transient activity potentially supports the existence of a sodium-calcium antiporter and the existence of calcium influx induced by depletion of calcium stores. We conclude that the cells have developed the most important mechanisms governing cytosolic calcium homeostasis. This is the first comparative report of spontaneous calcium transients in proliferating and differentiating human midbrain-derived stem cells that provides evidence for the mechanisms that are likely to be involved. We propose that the observed spontaneous calcium transients may contribute to mechanisms involved in cell proliferation, phenotypic differentiation, and general cell maturation. PMID- 29201063 TI - Malnutrition and Its Associated Factors among Rural School Children in Fayoum Governorate, Egypt. AB - Malnutrition is an increasing health problem among children in developing countries. We assessed the level of malnutrition and associated factors among school children in a rural setting in Fayoum Governorate, Egypt. A school based cross-sectional survey was conducted on children (6-17 years) in Manshit El Gamal village in Tamia district of Fayoum Governorate. Weight, height, and age data were used to calculate z-scores of the three nutritional indicators using WHO anthroPlus. Sociodemographics and lifestyles Data were collected. Prevalence of stunting, underweight, and wasting was 34.2%, 3.4%, and 0.9%, respectively, while obesity was 14.9%. Prevalence of obesity was significantly higher in younger age group of 6-9 years in comparison with older age and was higher in males versus females in 10-13-year-age group. Increasing age, reduced poultry consumption, and escaping breakfast were associated factors for stunting with OR (95% CI) 1.27 (1.17-1.37), 2.19 (1.4-3.4), and 2.3 (1.07-5.03). Younger age and regular employment of the father were factors associated with obesity (OR = 0.753; 0.688 0.824 and OR = 2.217; 1.4-3.5). Malnutrition is highly prevalent in Fayoum in line with the national prevalence and associated with age, gender, regularity of father's employment, and dietary factors. PMID- 29201064 TI - Use of Personal Protective Equipment among Building Construction Workers in Kampala, Uganda. AB - Background: 270 million workplace accidents occur annually. In Uganda, Kampala district has the highest workplace injury and fatality rates. However, information on personal protective equipment (PPE)-hand gloves, hardhats, overalls, safety boots, earplugs, safety harness with lanyard, and face shields utilization among building construction workers remains scarce. We assessed PPE utilization and determinants among building construction workers in Kampala, Uganda. Methods: This cross-sectional study involved 385 respondents. Data collected by structured questionnaire was double-entered in EpiData and analyzed in STATA at 5% significance level. Independent determinants of PPE use were established by a stepwise backward logistic regression analysis. Results: 305 (79.2%) respondents were males, 290 (75.3%) were 18-30 years, 285 (74.0%) completed secondary education, and 197 (51.2%) were temporary employees. 60 (15.6%) respondents used PPE. Female sex (adjusted odds ratio (AOR) = 6.64; 95% CI: 1.55-28.46; P = 0.011), temporary (AOR = 0.05; 95% CI: 0.01-0.27; P < 0.001) and casual (AOR = 0.01; 95% CI: 0.001-0.071; P < 0.001) employment, and previous knowledge of safety measures (AOR = 100.72; 95% CI: 26.00-390.16; P < 0.001) were associated with PPE use. Conclusion: PPE use was low in Kampala, Uganda. Building construction companies should implement measures of the Uganda Occupational Health and Safety Act. PMID- 29201065 TI - A medical calculator to determine testicular volumes matching ultrasound values from the width of the testis obtained in the scrotum with a centimeter ruler. AB - The determination of the testicular volume is of considerable importance to assess the onset, progression and disorders of puberty, abnormal testicular development, and a number of other conditions; and in adults, assessment of fertility. A number of clinical methods have been used for the measurement of testicular volumes in the scrotum: a centimeter ruler, sliding calipers, and orchidometers. All the clinical methods calculate the volumes by the ellipsoid equation, grossly overestimate ultrasound (US) volumes by 70 to 80% for adults, to 150 to 250% for prepubertal subjects, mainly because the inclusion of the scrotal skin and epididymis and may not be accurate of reproducible. Ultrasound measurements have a high degree of accuracy and reproducibility and are the standard for quantitation of testicular volume. Formulas, equivalent to the ellipsoid equations used, were developed to match ultrasound volumes, with corrections of the width and length of the testis obtained in the scrotum, to avoid the inclusion of the scrotal skin (ss) and epididymis. A calculator was developed, requiring only the identification of 1 the width of the testis in cm obtained in the scrotum with a ruler (without corrections) (i.e. 0.9, 1.5, 2.0, 2.4 cm etc.) and 2 the stage of genital development. The calculator will subtract the scrotal skin for the stage of genital development, from the measurement of the width provided, apply the formula and identify the testicular volume of the subject that matches the US volume. The calculator will also provide, in a Table form, the values for the different stages of genital development. Benefit: The information provided by the calculator will solve the problem of overestimation by the orchidometers and the external measurements, problems with the reference of values to age, and Tanner stages, would permit assessment of the beginning and progression of puberty, of micro and macroorchidism, and other conditions mentioned. PMID- 29201066 TI - Anaphylactic shock following castor bean contact: a case report. AB - Background: The castor bean plant, Ricinus communis, is known to have allergenic and toxic properties. Castor bean allergy has been described mainly as an occupational inhalation allergy in laboratory workers, in persons working in oil processing mills or in agricultural industry. So far, only one case of anaphylactic reaction due to castor bean sensitization confirmed by specific IgE has been described in literature. Case presentation: A 30-year-old woman presented to the emergency room with severe angioedema followed by urticaria, hypotension and tachycardia. She recovered after treatment with antihistamines, corticosteroids, nebulized adrenaline and intravenous fluids. Food induced anaphylaxis was excluded by allergological investigations. After repeated thorough history, the patient mentioned having bitten into a castor bean just before the reaction. Cutaneous test (prick-to-prick) and specific IgE for castor bean were highly positive. Conclusions: We report the second case of a severe anaphylactic reaction to castor beans, confirmed by IgE testing, reported in the literature. It underlines the importance of a meticulous history in allergology and highlights the fact, that castor beans may cause potentially fatal anaphylaxis. PMID- 29201067 TI - Hereditary Vitamin D Resistant Rickets: Clinical, Laboratory, and Genetic Characteristics of 2 Iranian Siblings. AB - Purpose and Methods: Hereditary vitamin D resistant rickets (HVDRR) is a rare disease that presents with signs and symptoms of rickets, alopecia, and growth retardation during the early years of life. The disease is caused by mutations in the vitamin D receptor (VDR) gene, which leads to unresponsiveness of the mutant receptor to 1-25(OH) 2 D3. The disease is transmitted as an autosomal recessive disorder and is found with equal frequency in males and females. The disease is rarely encountered and only about 100 cases are reported so far. The current paper reported the clinical and laboratory characteristics of 2 Iranian siblings with this disorder. Results and Conclusion: They presented with rickets, growth retardation, muscle weakness, hypocalcemia and alopecia totalis since early childhood, and were followed up for 27 years. Sequencing of the DNA extracted from the peripheral white blood cells showed a missense G to A mutation in exon number 4 (g.30994 G > A) that led to the methionine substitution for the naturally occurring valine at position 26 in the DNA binding domain (DBD) of the VDR. PMID- 29201068 TI - Gender Identity in Patients with Congenital Adrenal Hyperplasia. AB - Background: Sex assignment in infancy for patients with disorder of sex development (DSD) is a challenging problem. Some of the patients with congenital adrenal hyperplasia (CAH) have DSD that may affect their gender identity. Objectives: The study aimed to assess gender identity in patients with CAH. Methods: In this study, 52 patients with CAH, including 22 prepubertal children and 30 adolescents and adults, were assessed using two separate gender identity questionnaires for children and adults based on the criteria of diagnostic and statistical manual of mental disorders, 5th edition. Results: In the children group, compatibility was seen between gender identity and rearing gender. In the adult group, there were three cases of mismatching between gender identity and sex assignment composed of two females with poor control and one male with good control with 21-hydroxylase deficiency (21-OHD). Three girls with 11-hydroxylase deficiency (11-OHD) were reared as boy. Two of them with late diagnosis at 5 and 6 years of age had pseudoprecocious puberty. Parents and children did not accept to change the gender. One of them is 36 years old now, is depressed and unsatisfied with her gender, another girl is still child and has male sexual identity. One girl with 11-OHD and early diagnosis at birth with Prader 5 virilization but with good hormonal control was changed to female gender at 12 years of age when female sexual characteristics appeared; she is 34-years-old now, married, and with two children, and she is satisfied with her gender. Conclusions: In patients with CAH, gender identity disorder is a rare finding. Hormonal control, social, familial, and religious beliefs have impacts on gender identity of these patients. PMID- 29201069 TI - Knowledge, Attitude and Practices (KAP) Regarding Chronic Complications of Diabetes among Patients with Type 2 Diabetes in Dhaka. AB - Background: To reduce morbidity and mortality, awareness regarding diabetes and its complications is necessary. This study aimed at assessing the level of knowledge, attitude, and practices (KAP) regarding complications of diabetes mellitus among patients with type 2 diabetes in Dhaka, Bangladesh. Methods: A cross-sectional study was carried out recruiting patients with diabetes from the outpatient department of BIRDEM hospital in Dhaka. Overall, 425 patients with diabetes were enrolled in this study. A pretested questionnaire was filled by the interviewer with face to face interview. Levels of KAP were determined by calculating the scores. Multivarable linear regression was used to determine significant predictors for knowledge, attitude, and practices. Results: On average, the level of knowledge, attitude, and practices were 9.2 (out of 14), 7.9 (out of 13), and 16.9 (out of 27), respectively. Age and gender were significant predictors of knowledge and attitude. Females had better level of knowledge and attitude compared to males (betas = 0.55 and 1.24, respectively). Patients with graduate degrees and above compared to illiterates reported significantly greater knowledge and practice (betas = 1.27 and 1.44, respectively), after adjustments for covariates. Educational program was the most important significant predictor of KAP. Higher duration of diabetes (beta = 0.07) and positive marital status (beta = 1.21) had influenced better practice. Conclusions: Lack of knowledge, poor attitude, and inadequate practice were found in this surveyed communinty. Level of education and educational program on diabetes were the most significant contributing factors. The current study suggests the need of structured educational programs on diabetes and its complications on a regular basis to assist patients in living a productive life. PMID- 29201070 TI - Rapid Weight Loss vs. Slow Weight Loss: Which is More Effective on Body Composition and Metabolic Risk Factors? AB - Background: Achieving weight loss (WL) in a short time regardless of its consequences has always been the focus of many obese and overweight people. In this study, anthropometric and metabolic effects of two diets for rapid and slow WL and their consequences were examined. Methods: Forty-two obese and overweight individuals were randomly divided to 2 groups; rapid WL (weight loss of at least 5% in 5 weeks) and slow WL (weight loss of at least 5% in 15 weeks). To compare the effects of the rate of WL in 2 groups, the same amount of was achieved with different durations. Anthropometric indices, lipid, and glycemic profiles, and systolic and diastolic blood pressures were evaluated before and after the intervention. Results: Both protocols of rapid WL and slow WL caused reduction in waist circumference, hip circumference, total body water, body fat mass, lean body mass, and resting metabolic rate (RMR). Further reduction in waist circumference, hip circumference, fat mass, and percentage of body fat was observed in slow WL and decreased total body water, lean body mass, fat free mass, and RMR was observed in rapid WL. Improvement in lipid and glycemic profiles was observed in both groups. Reduction of low-density lipoprotein and fasting blood sugar, improvement of insulin resistance, and sensitivity were more significant in rapid WL in comparison to slow WL. Conclusions: Weight Loss regardless of its severity could improve anthropometric indicators, although body composition is more favorable following a slow WL. Both diets improved lipid and glycemic profiles. In this context, rapid WL was more effective. (IRCT2016010424699N2). PMID- 29201071 TI - Hemostasis in Overt and Subclinical Hyperthyroidism. AB - Context: There are contradictory results on the effect of hyperthyroidism on hemostasis. Inadequate population-based studies limited their clinical implications, mainly on the risk of venous thromboembolism (VTE). The present review focuses on hemostatic changes in overt and subclinical hyperthyroidism. Methods: A systematic literature search was conducted employing MEDLINE database. The following words were used for the search: Hyperthyroidism; thyrotoxicosis; Graves disease; goiter, nodular; hemostasis; blood coagulation factors; blood coagulation disorders; venous thromboembolism; bleeding; fibrinolysis. The articles that were related to hyperthyroidism and hemostasis are used in this manuscript. Results: Hyperthyroidism, either overt or subclinical, renders a hypercoagulable state, although there are several studies with contradictory findings in the literature. Hypercoagulability may be caused by an increase in the level of various coagulation factors such as factor (F) VIII, FX, FIX, von Willebrand F (vWF), and fibrinogen, while hypofibrinolysis by changes in coagulation parameters such as a decrease in plasmin and plasmin activator or an increase in alpha2-antiplasmin, plasminogen activator inhibitor-1 and thrombin activatable fibrinolysis inhibitor. Conclusions: Although many reports are in favor of a hypercoagulable state in overt hyperthyroidism but this finding at the biochemical level and its clinical implication, on the occurrence of VTE, has yet to be confirmed. PMID- 29201073 TI - Knowledge of Thyroid Disorders during Pregnancy among General Practitioners in Iran. AB - Background and Objectives: Thyroid disorders during pregnancy are important health problems worldwide. The aim of this study was to assess the knowledge of general practitioners (GPs) about thyroid disorders during pregnancy. Methods: In this cross sectional study, 120 GPs were randomly selected among participants of a continuous medical education (CME) program, entitled "practical endocrinology". To assess the knowledge and educational requirements of GPs regarding thyroid disorders during pregnancy, a validated and localized multiple-choice questionnaire was used. Results: A total of 100 GPs completed the questionnaire. The mean age of the participants was 37.0 years, and 41.4% were men. The mean knowledge score of GPs was 39.9%. On average, the rate of correct response to questions concerning the definition, pathophysiology, diagnosis, complications, and treatment of thyroid disorders was 39.0%, 39.3%, 48.8%, 34.3%, and 44.6%, respectively. There was a significant difference in knowledge among GPs, who had and had not passed the training course on thyroid disorders. In addition, GPs who had passed continuous medical education programs obtained higher knowledge scores regarding diagnosis and treatment (P < 0.05). Conclusions: GPs attending pregnant women in Iran lack sufficient information on the pathophysiology, diagnosis, and management of thyroid disorders during pregnancy. Considering the key role of GPs in the public healthcare system, design of high-quality educational programs and development of specific educational packages about thyroid disorders and pregnancy are necessary. PMID- 29201072 TI - The Role of Kisspeptin in Female Reproduction. AB - Context: Kisspeptin (KISS1), a recently discovered neuropeptide that acts upstream of gonadotropin-releasing hormone (GnRH) neurons, is critical for maturation and function of the reproductive axis. This review aimed at providing comprehensive and up-to-date information on Kisspeptin and its role in female reproduction. Evidence Acquisition: A literature review was performed using PubMed for all English language articles published between 1999 and 2016. Results: The kisspeptin system (KISS1/G protein-coupled receptor-54,GPR54) has recently been addressed as an essential gatekeeper of puberty onset and gonadotropin secretion. Compelling evidence has documented that hypothalamic Kisspeptin mediates steroid feedback and metabolic cues at different developmental stages throughout lifespan. Furthermore, in pre/postnatally androgenized animal models, which exhibit many of the characteristics of Polycystic Ovarian Syndrome (PCOS), the hypothalamic expression of KISS1 and GnRH is abnormal, which might lead to multiple tissue abnormalities observed in this disorder. Conclusions: Kisspeptin, a principal activator of GnRH neurons and the target of endocrine and metabolic cues, is a prerequisite for the onset of puberty and maintenance of normal reproductive function, as abnormal KISS1/GPR54 system has been reported in both animal models and patients with certain forms of infertility, e.g. Idiopathic Hypogonadotropic hypogonadism (IHH) and PCOS. The information suggests that kisspeptin or its receptor represents a potential therapeutic target in the treatment of patients with fertility disorders. PMID- 29201075 TI - Development and Evaluation of Patient Information Leaflet for Diabetic Foot Ulcer Patients. AB - Background: Patient education (PE) is as important as medical and surgical interventions in the management of diabetic foot ulcer (DFU). Patient information leaflets (PILs) are globally accepted patient counseling aids. Objectives: This study aimed at developing PILs for DFU patients and investigating its validation. Methods: The PILs were prepared based on different model leaflets available from various online resources, including "Patient UK". The PILs readability was evaluated by Flesch/ Flesch-Kincaid readability (FRE/FK-GL) method before user testing (n = 34 DFU patients) by quasi-experimental methods in patients with DFU. Additionally, user-opinion on legibility and content of the PIL was also determined. Baker Able Leaflet Design (BALD) method was employed to assess the layout and design characteristics of the PIL. Results: The best FRE score achieved was 73.9 and the FK-GL score was 6.1. The mean BALD assessment score for English and Kannada versions of PIL were 27 and 26, respectively. The ICC of the test-retest reliability of user-testing and user-opinion questionnaires in both English and Kannada ranged from 0.91 to 0.96. The overall user-testing knowledge based mean score significantly improved from 43.4 to 69.7 (P < 0.05). Overall, 82.4% of patients reported overall user-opinion on legibility and content of the PIL as good. Conclusions: The developed PILs met the criteria of fairly easy readability and good layout design. The user-opinion of the majority of patients reported the PIL content, legibility, and design as good. The Pictogram-based PILs (P-PILs) was found to be an effective PE tool in DFU patients. PMID- 29201074 TI - Worldwide Recall Rate in Newborn Screening Programs for Congenital Hypothyroidism. AB - Context: Neonatal mass screening program for congenital hypothyroidism provides the best tool for prevention of its devastating effects on mental development. Despite the overall success of the screening programs in detecting congenital hypothyroidism and eliminating its sequelae and new developments made in the program design, high recall rate and false positive results impose a great challenge worldwide. Lower recall rate and false positive results may properly organize project expenses by reducing the unnecessary repeated laboratory tests, increase physicians and parents' assurance and cooperation, as well as reduce the psychological effects in families. Evidence Acquisition: In this review, we assessed the recall rate in different programs and its risk factors worldwide. Methods: Publications reporting the results of the CH screening program from 1997 to 2016 focusing on the recall rate have been searched. Results: Recall rates vary from 0.01% to 13.3% in different programs; this wide range may be due to different protocols of screening (use of T4 or TSH or both), different laboratory techniques, site of sample collection, recall cutoff, iodine status, human error, and even CH incidence as affected by social, cultural, and regional factors of the population. Conclusions: It is suggested to implement suitable interventions to reduce the contributing factors by improving the quality of laboratory tests, selecting conservative cut off points, control iodine deficiency, use of iodine free antiseptic during delivery, and use of more specific markers or molecular tests. Applying an age dependent criteria for thyrotropin levels can be helpful in regions with a varied time of discharge after delivery or for preterm babies. PMID- 29201076 TI - Formulation Development and Evaluation of the Therapeutic Efficacy of Brinzolamide Containing Nanoemulsions. AB - Brinzolamide (BZ) is an intraocular pressure reducing agent with low bioavailability. The purpose of the present study was to overcome this issue by development of BZ containing nanoemulsions (NEs) as an ocular drug delivery system with desirable therapeutic efficacy. Brinzolamide NEs were prepared by the spontaneous emulsification method. Based on initial release studies, twelve formulations with the slowest release characteristics were subjected to further physicochemical investigations such as particle size, polydispersity index, pH, refractive index, osmolality and viscosity. The therapeutic efficacy of these formulations was assessed by measuring the intraocular pressure after instillation of the prepared NEs in normotensive albino rabbit eyes. Nanoemulsions with suitable physicochemical properties exhibited high formulation stability under different conditions. more over biological evaluations indicated that using lower drug concentrations in NE formulations (0.4%) had a similar or even better pharmacodynamic effect compared to the commercial suspension with a higher drug concentration (1%). Our findings suggest that NEs could be effectively used as carriers for enhancing the bioavailability of topically applied ophthalmic drugs. PMID- 29201077 TI - A New Approach to Antivenom Preparation Using Chitosan Nanoparticles Containing EchisCarinatus Venom as A Novel Antigen Delivery System. AB - In recent years, use of biodegradable polymers based nanoparticles has received high interest in the development of vaccines delivery vehicles. The aim of study was to prepare chitosan nanoparticles (CS NPs) for loading Echis carinatus (EC) venom and evaluate their potential as an adjuvant and antigen delivery system on a pilot scale. CS NPs were prepared using ionic gelation method, and their characteristics were optimized. Venom-loaded CS NPs prepared under optimum conditions and traditional venom-loaded adjuvants were used to hyperimmunization of horse. Under optimum conditions, particle size, polydispersity index (PDI), and zeta potential of CS NPs were 127.9 +/- 15 nm, 0.29, and +19.8 +/- 1.92 mV, while those of venom-loaded CS NPs were 182.4 +/- 20 nm, 0.35, +26.8 +/- 1.98 mv, respectively. All CS NPs had integrated surface and good morphology. Optimum loading concentration of EC venom was 500 ug/mL. The loading capacity (LC) and loading efficiency (LE) were 87% and 94%, respectively, and release profile of venom-loaded CS NPs showed suitable correlation with Higuchi kinetics. Stability test showed good stability of the venom encapsulated in CS NPs. Furthermore, antivenom plasma obtained using the new antigen delivery system had significantly higher potency (P < 0.05) for neutralizing the venom than that obtained using conventional system. These results suggested that venom-loaded CS NPs could be a suitable alternative to conventional adjuvant for development antivenom. PMID- 29201078 TI - Anticancer Activity of Curcumin-Loaded PLGA Nanoparticles on PC3 Prostate Cancer Cells. AB - Curcumin (Cur) has been found to be very efficacious against many different types of cancer cells. However, the major disadvantage associated with the use of Cur is its low systemic bioavailability. Our present work investigated the toxic effect of encapsulation of Cur in PLGA (poly lactic-coglycolic acid) nanospheres (NCur) on PC3 human cancer prostate cell. In the present study, we have investigated the effects of NCur on growth, autophagia, and apoptosis in PC3 cells, respectively, by MTT assay, fluorescence microscopy, and Flow cytometry. MTT assays revealed that the NCur at the concentration of 25 ug/mL for 48 h were able to exert a more pronounced effect on the PC3 cells as compared to free Cur. Apoptotic index was significantly increased in NCur-treated cells compared to free Cur. The percentage of autophagic cells (LC3-II positive cells) was also significantly increased in NCur treatment in comparison to free Cur. These data indicate that the NCur has considerable cytotoxic activity more than Cur on PC3 cell lines, which is mediated by induction of both apoptotic and autophagic processes. Thus, NCur has high potential as an adjuvant therapy for clinical application in prostate cancer. PMID- 29201079 TI - Docking Studies, Synthesis, and In-vitro Evaluation of Novel Oximes Based on Nitrones as Reactivators of Inhibited Acetylcholinesterase. AB - Acetylcholinesterase has important role in synaptic cleft. It breaks down the acetylcholineat cholinergic synapsesand terminates the cholinergic effects. Some chemical agents like organophosphorus compounds (OPCs) including nerve agents and pesticides react with acetylcholinesteraseirreversibly. They inhibit normal biological enzyme action and result in accumulation of acetylcholineand show toxic effects andcholinergic symptoms. The process of Acetylcholinesterase (AChE) inhibition can be reversed by a nucleophilic agent to dephosphorylate and reactivate the enzyme. In this study, design and docking studies of 15 novel nitrone based onoximes as reactivators were performed by using AutoDock program. Then, more effective reactivatorsoximes in terms of binding energy and orientation within the active site were synthesized and evaluated in-vitro on human AChE (hAChE) inhibited by paraoxon and compared to standard hAChE reactivators (2-PAM and obidoxime). Our results used to design new derivatives of Oxim with better efficacy than 2-PAM and obidoxime. Syntheses of some selected bis-pyridiniumoximes based on the nitrones are underway. PMID- 29201080 TI - Anticonvulsant Effects of New 1, 4-DihydropyridineDerivatives Containing Imidazolyl Moiety Against Seizures Induced by Pentylenetetrazole and Maximal Electroshock in Mice. AB - Epilepsy is a chronic disorder of the brain affecting around 50 million people in the world. Up to 30% of epileptic patients do not respond to available drugs and medical therapies. In this paper, anticonvulsant screening of 10 synthesized new derivatives of 1, 4-dihydropyridine-3, 5-dicarboxamides was performed. Anticonvulsant activity was evaluated by intravenous and intraperitoneal pentylenetetrazole and maximal electroshock induced seizures tests. Nifedipine was used as reference drug. Our pharmacological results revealing the compounds 2, 4, 5, and 6 can be effective in both absence and grandmal seizures in human. These pharmacological studies have displayed that these new dihydropyridine derivatives are capable to inhibiting seizures induced by pentylenetetrazole and maximal electroshock in mice efficiently. PMID- 29201081 TI - Synthesis and Leishmanicidal Activity of 1-[5-(5-Nitrofuran-2-yl)-1, 3, 4 Thiadiazole-2-yl]-4-BenzoylePiperazines. AB - A series of (5-nitrofuran-2-yl)-1, 3, 4-thiadiazole-2-yl derivatives 6a-6e have been synthesized and screened for in-vitro anti-leishmanial activity against the promastigote form of L. major. The structure of Schiff bases were confirmed by 1H NMR, IR. Screening results indicate that all of the designed and synthesized final compounds (6a-6e) significantly reduced the viability of promastigotes of L. major in comparison toglucantime (IC50 3* 103 MUg/mL). Meta and Para substitutions in benzene ring containing compounds were more potent than other derivative and the most potent compounds were 6d, 6e with IC50 value 94 um and 77.6 um, respectively. The experimental data proposes that (5-nitrofuran-2-yl)-1, 3, 4-thiadiazole-2-yl derivatives may be further investigated as a candidate drug for treatment of cutaneous leishmaniasis. PMID- 29201082 TI - Pharmacophore Based Virtual Screening Approach to Identify Selective PDE4B Inhibitors. AB - Phosphodiesterase 4 (PDE4) has been established as a promising target in asthma and chronic obstructive pulmonary disease. PDE4B subtype selective inhibitors are known to reduce the dose limiting adverse effect associated with non-selective PDE4B inhibitors. This makes the development of PDE4B subtype selective inhibitors a desirable research goal. To achieve this goal, ligand based pharmacophore modeling approach is employed. Separate pharmacophore hypotheses for PDE4B and PDE4D inhibitors were generated using HypoGen algorithm and 106 PDE4 inhibitors from literature having thiopyrano [3,2-d] Pyrimidines, 2 arylpyrimidines, and triazines skeleton. Suitable training and test sets were created using the molecules as per the guidelines available for HypoGen program. Training set was used for hypothesis development while test set was used for validation purpose. Fisher validation was also used to test the significance of the developed hypothesis. The validated pharmacophore hypotheses for PDE4B and PDE4D inhibitors were used in sequential virtual screening of zinc database of drug like molecules to identify selective PDE4B inhibitors. The hits were screened for their estimated activity and fit value. The top hit was subjected to docking into the active sites of PDE4B and PDE4D to confirm its selectivity for PDE4B. The hits are proposed to be evaluated further using in-vitro assays. PMID- 29201083 TI - Evaluation of Novel alpha-(Acyloxy)-alpha-(Quinolin-4-yl) Acetamides as Antiplasmodial Agents. AB - Because of expanding resistance to efficient and affordable antimalarial drugs like chloroquine, the search is continuing for more effective drugs against this disease. In-vitro antiplasmodial activity and cytotoxicity of alpha-(acyloxy) alpha-(quinolin-4-yl) acetamides on Plasmodiumfalciparum and structure-activity relationships of this new class of Passerini adducts is described. The in-vitro antiplasmodial activity of compounds was tested against chloroquine sensitive 3D7 strain. Toxicity of active compounds was investigated on HepG2 cell line. Compounds 1, 20 and 22 showed significant antiplasmodial activity with IC50 value of 1.511, 1.373 and 1.325 uM, respectively. The active compounds did not show noticeable toxicity when tested against HepG2 cell line. The present results bring essential elements which will be used for the synthesis of more active derivatives of alpha-(acyloxy)-alpha-(quinolin-4-yl) acetamides. PMID- 29201084 TI - Design and Synthesis of Some Novel Fluorobenzimidazoles Substituted with Structural Motifs Present in Physiologically Active Natural Products for Antitubercular Activity. AB - Keeping in view the drawbacks associated with research on anti-TB drugs based on plant extracts and the non-availability of fluorinated natural products with antitubercular activity has prompted us to make an effort towards the synthesis and characterization of a novel series of fifteen substituted fluorobenzimidazoles. The newly synthesized compounds were characterized by I.R, 1H-NMR, 13C-NMR, Mass, and elemental analysis. The synthesized compounds 4(a-f) and 5(b-j) have been evaluated for their in-vitro antimycobacterial activity against H37Rv strain (ATCC 27294) by MABA method. Incorporation of methylenedioxyphenyl moiety at 2- and 6-position of the benzimidazole ring furnished compounds 4d and 5i with antitubercular activity comparable or more potent than the naturally occurring compounds with reported antitubercular activity. Among the fifteen tested compounds, 4d and 5i emerged as promising hits characterized by MIC lower than that determined for sesamin against the pathogenic H37Rv strain. Antitubercular activity results indicate that these compounds may be suitable for further lead optimization. The cytotoxic effect of these active compounds on THP-1 cell line was assessed by MTT assay and the results suggest that these two molecules are potential candidates for further development as antitubercular agents. PMID- 29201085 TI - Synthesis and Evaluation of the Antimicrobial Activity of Spiro-4H-pyran Derivatives on Some Gram Positive and Gram Negative Bacteria. AB - Infections are one of the most important causes of death, disability and inappropriate conditions for millions of people around the world. Therefore, the development in prognosis, prevention and treatment of infectious diseases made a considerable progress in designing and synthesis of new antimicrobial drugs. Nowadays, due to the increase in microbial resistance, discovery of new compounds with broad spectrum effects is granted. 4H-pyran derivatives and spiro compounds are the most important fragments in some effective drugs with antimicrobial activity. Therefore, in this study, 6 compounds with spiro-4H-pyran core were synthesized and evaluated for their antimicrobial activity against four different bacterial species using microbroth dilution and disk diffusion methods. Minimum inhibitory concentration (MIC) has been measured for each compound and also for the standard antibiotic, gentamicin, and they were all compared together. According to our result, one of the spiropyran derivative (5d) containing both the indole and the cytosine ring, has been shown good antibacterial effects against standard and clinical isolates of Staphylococcus aureus and Streptococcus pyogenes. PMID- 29201086 TI - Esters of Quinoxaline 1'4-Di-N-oxide with Cytotoxic Activity on Tumor Cell Lines Based on NCI-60 Panel. AB - Quinoxalines display diverse and interesting pharmacological activities as antibacterial, antiviral, antiparasitic and anticancer agents. Particularly, their 1'4-di-N-oxide derivatives have proved to be cytotoxic agents that are active under hypoxic conditions as that of solid tumours. A new series of quinoxaline 1'4-di-N-oxide substitutes at 7-position with esters group were synthetized and characterized by infrared (IR), proton nuclear magnetic resonance (1H-NMR), spectroscopy, and elemental analysis. Seventeen derivatives (M1-M3, E1 E8, P1-P3 and DR1-DR3) were selected and evaluated for antitumor activities using the NCI-60 human tumor cell lines screen. Results showed that E7, P3 and E6 were the most active compounds against the cell lines tested. Substitutions at 7 position with esters group not necessarily affect the biological activity, but the nature of the esters group could exert an influence on the selectivity. Additionally, substitutions at 2-position influenced the cytotoxic activity of the compounds. PMID- 29201088 TI - Evaluation of a 99mTc-tricine Vascular Disrupting Agent as an In-vivo Imaging in 4T1 Mouse Breast Tumor Model. AB - Colchicine as a vascular disrupting agent creates microtubule destabilization which induces vessel blockage and consequently cell death. Accordingly, colchicines and its analogues radiolabeled with 99mTc may have potential for visualization of tumor. In this work, deacetylcolchicine a colchicine analogue was labeled with 99mTc via tricine as a coligand and characterized for its tumor targeting properties. The in-vitro radiochemical stability and the biodistribution were studied in 4T1 breast tumor model bearing mice. Labeling yield of more than 90% was obtained corresponding to a specific activity of 46 MBq/umol. In-vivo biodistribution studies demonstrated that radiocomplex had high tumor to muscle and tumor to blood ratios at early time points. Planer gamma imaging of tumor bearing mice showed that this radioconjugate was able to clearly visualize tumors. According to high tumor uptake, presented radiocomplex may have a potential for targeted imaging studies. PMID- 29201087 TI - QSAR Study of 17beta-HSD3 Inhibitors by Genetic Algorithm-Support Vector Machine as a Target Receptor for the Treatment of Prostate Cancer. AB - The 17beta-HSD3 enzyme plays a key role in treatment of prostate cancer and small inhibitors can be used to efficiently target it. In the present study, the multiple linear regression (MLR), and support vector machine (SVM) methods were used to interpret the chemical structural functionality against the inhibition activity of some 17beta-HSD3inhibitors. Chemical structural information were described through various types of molecular descriptors and genetic algorithm (GA) was applied to decrease the complexity of inhibition pathway to a few relevant molecular descriptors. Non-linear method (GA-SVM) showed to be better than the linear (GA-MLR) method in terms of the internal and the external prediction accuracy. The SVM model, with high statistical significance (R2train = 0.938; R2test = 0.870), was found to be useful for estimating the inhibition activity of 17beta-HSD3 inhibitors. The models were validated rigorously through leave-one-out cross-validation and several compounds as external test set. Furthermore, the external predictive power of the proposed model was examined by considering modified R2 and concordance correlation coefficient values, Golbraikh and Tropsha acceptable model criteria's, and an extra evaluation set from an external data set. Applicability domain of the linear model was carefully defined using Williams plot. Moreover, Euclidean based applicability domain was applied to define the chemical structural diversity of the evaluation set and training set. PMID- 29201089 TI - Thermo-, Radio- and Photostability of Perindopril Tert-butyloamine in The Solid State. Comparison to Other Angiotensin Converting Enzyme Inhibitors. AB - The main aim of this study was determination of thermo- radio- and photostability of perindopril tert-butyloamine (PER) therefore the efficiency and safety of the therapy could be maintained. A chromatographic method (RP-HPLC) had been validated before use to determine PER loss. The evaluation of stability properties of PER in solid state under the influence of isothermal condition, relative humidity - RH = 0% and 76.4%, exposure to 6 mln lux h and ionizing radiation generated by beam of electrons of 25-400 kGy was investigated. Studies pointed out that presence of moisture changes a kinetic model of PER degradation; lack of moisture in the air generates a first-order kinetic model of the reaction, increase humidity generates the autocatalytic model. PER proved to be resistant for ionizing radiation. It is possible to use radiation sterilization and decontamination (dose 25 kGy) with no significant loss of content. Investigation of PER photostability proved, that after exposure to 6 mln lux h physicochemical parameters are acceptable. Among all the ACE-I, PER has one of the shortest t0,5. PER should be stored in closed containers, protected from high temperature and moisture. PER is referred to be photostable and resistant for radiodegradation. PMID- 29201090 TI - Voltammetric Determination of Penicillamine Using a Carbon Paste Electrode Modified with Multiwall Carbon Nanotubes In the Presence of Methyldopa as a Mediator. AB - A multiwall carbon nanotubes-modified carbon paste electrode (MWCNTs/MCPE) was fabricated and used to study the electrooxidation of penicillamine (PA) by electrochemical methods in the presence of methyldopa (MDOP) as a homogeneous mediator. The electrochemical oxidation of PA on the new sensor has been carefully studied. The kinetic parameters such as electron transfer coefficient, alpha, and catalytic reaction rate constant, K/h, were also determined using electrochemical approaches. The electrocatalytic oxidation peak current of PA showed a linear dependent on the PA concentrations and linear calibration curves were obtained in the ranges of 0.2-250.0 uM of PA concentration with square wave voltammetry (SWV) method. The detection limit (3sigma) was determined as 0.1 uM. This sensor was also examined as a fast, selective, simple and precise new sensor for voltammetric determination of PA in real samples such as drug and urine. PMID- 29201091 TI - Determination of Aluminum in Dialysis Concentrates by Atomic Absorption Spectrometry after Coprecipitation with Lanthanum Phosphate. AB - This method was developed for the determination of trace amounts of aluminum(III) in dialysis concentrates using atomic absorption spectrometry after coprecipitation with lanthanum phosphate. The analytical parameters that influenced the quantitative coprecipitation of analyte including amount of lanthanum, amount of phosfate, pH and duration time were optimized. The % recoveries of the analyte ion were in the range of 95-105 % with limit of detection (3s) of 0.5 ug l-1. Preconcentration factor was found as 1000 and Relative Standard Deviation (RSD) % value obtained from model solutions was 2.5% for 0.02 mg L-1. The accuracy of the method was evaluated with standard reference material (CWW-TMD Waste Water). The method was also applied to most concentrated acidic and basic dialysis concentrates with satisfactory results. PMID- 29201092 TI - Development of a New Method Based on Chiral Ligand-Exchange Chromatography for the Enantioseparation of Propranolol. AB - A new chromatographic procedure was proposed for the separation of propranolol (PRN) enantiomers based upon enantioselective chiral ligand-exchange chromatography. The separation was carried out on a short C8 column leading to considerably short separation time. L-alanine and Cu2+ were applied as chiral selector and central bivalent complexing ion, respectively. It was found that the kind of copper salt could influence the enantioseparation efficiency. The separation on the C8 stationary phase was more efficient than that on the C18 column. It was shown that the pH of mobile phase, organic modifier content of mobile phase, mole ratio of chiral ligand to bivalent ion and Cu (L-alanine) 2 concentration in the mobile phase were important in enantioseparation efficiency. Water/methanol (70:30) mixture containing L-alanine-Cu2+ (7:1) was found to be the best mobile phase condition for PRN enantioseparation. All effective parameters were optimized in order to improve the separation efficiency. The optimized HPLC method was utilized for analysis of propranolol enantiomers in spiked human blood plasma samples. PMID- 29201093 TI - Simultaneous Determination of Residue from 58 Pesticides in the Wheat Flour Consumed in Tehran, Iran by GC/MS. AB - Food safety has a direct impact on human health and as such is a growing concern worldwide. Presence of harmful pesticide residue in food is a serious cause for concern among consumers so it is important to monitor levels of pesticides in foods. The aim of this study was simultaneous determination of concentrations of 58 pesticides in 40 wheat flour samples collected from Tehran market in January, 2014. The city under study (Tehran) was divided into five districts and samples were collected independently from each district and sourced from different bakeries (n=40). A gas chromatography-mass spectrometry single quadrupole selected ion monitoring "GC/MS-SQ-SIM" method was used to quantify residue of 58 pesticides in the wheat flour samples. Four of the 40 samples showed contamination with Malathion (2 samples: 50.96 +/- 11.38 and 62.088 +/- 11.38 ppb) and 2, 4-DDE (2 samples: 19.88+/-15.24 and 13.7 +/- 15.24 ppb). that had levels below MRLs of these pesticides in Iran. Averages of recovery of pesticides at 6 concentration levels were in the range of 81.61-118.41%. The method was proven as repeatable with RSDr in the range of 6.5-29.45% for all concentration levels. The limit of quantification for 37 of the tested pesticides was calculated as 15 ppb and for the other 21 tested pesticides, the concentration was 25 ppb. In summary, results of these tests suggested that the wheat flour consumed in Tehran, was within safety limits in terms of levels of pesticide residues. PMID- 29201094 TI - Comparison of Kinetic Study and Protective Effects of Biological Dipeptide and Two Porphyrin Derivatives on Metal Cytotoxicity Toward Human Lymphocytes. AB - In this research, dipeptide (his-beta-alanine) and porphyrin derivatives were choosen for comparing chelating ability of toxic metals such as Al3+, Cu2+, Hg2+ and Pb2+in-vitro. The reason for choosing these two compounds is that both of them are naturally present in biological systems and comparison of chelating ability of these two compounds has not yet been done. Synthesis and comparison of kinetic study of dipeptide (his-beta-alanine), meso-tetrakis(4 trimethylanilinium) porphyrin (TAPP) and Tetrakis(4-sulfonatophenyl)porphyrin (TPPS4) were carried out by our team. In addition, cytotoxicity assays of metals and chelators were also performed using methylthiazoletetrazolium (MTT) test. Furthermore we investigated the protective effect of chelators against cytotoxicity, induced by differenrt toxic metals such as Al3+, Cu2+, Hg2+ and Pb2+ on human lymphocytes. EC50 values on human lymphocytes obtained after 12 h. incubation for Al3+, Cu2+ and Hg2+ were 30, 51, 3 uM respectively and for Pb2+ no cytotoxicity was observed on human lymphocyte up to 1000 uM concentration. EC50 obtained for chelators dipeptide, TPPS4 and TAPP were 948, 472 and 175 uM respectively. Pretreatment of human lymphocyte with subtoxic concentations of chelators reduced toxicity of the metals against human blood lymphocytes. PMID- 29201095 TI - Toxicity Assessment of Asteraceae Centaurea Repens L Extract in Mice. AB - The species Asteraceae Centaurea repens (Asteraceae), known as Acroptilon repens, and Talkhe in persian is used in folk medicine as an emetic, anti-epileptic, and anti-malaria herb in many parts of the world but its toxic effects have not determined yet. This study aimed to evaluate the acute and subchronic toxicity of this extract to find its possible adverse health effects through clinical, hematological, biochemical, and histopathological endpoints in both gender of mice. Aerial parts of the plant were air-dried and the terpene extract of aerial parts of plant was provided by percolation using methanol, petroleum ether, and diethyl ether. All clinical, biochemical and histopathological changes were assessed in appropriate endpoints and compared with control group. Although no mortality was seen in acute study by administrating doses up to 2000 mg/kg, repeated dose study on 1000 mg/kg doses in 28 days in both genders showed liver necrosis and rise of liver enzymes (p-value < 0.05). Histopathological studies didn't show any other organ toxicity in dosed up to 1000 mg/kg. At the same time this study showed for the first the antihyperlipidemic properties of the aerial extract of Acroptilin in mice model. The pharmacological and histopathological results of the present study proved that the total parts of Acroptilon repens could be studied for supporting the traditional assertion in folk medicine to heal hyperlipidemia, diabetes, and cancer in lower doses although we performed the present study and concluded liver toxicity by subchronic use of Acropitolon repens extract. PMID- 29201096 TI - Antihyperglycemic Effect of Rosa Damascena is Mediated by PPAR.gamma Gene Expression in Animal Model of Insulin Resistance. AB - Insulin resistance is a condition in which insulin signaling and action are impaired in insulin sensitive tissues and result in hyperglycemia, hyperlipidemia, and type 2 diabetes mellitus. Our previous studies have shown that Rosa damascena has antihyperglycemic effects on diabetic and normal rats. Therefore, we conducted a study to evaluate the effect of this medicinal plant on insulin sensitivity in rats. This study was performed on high fructose diet insulin resistant rats and pioglitazone, an insulin sensitizing drug, was used as a positive control. Insulin resistance was developed in animals by high fructose diet within six weeks. Then, Rosa damascena extract and pioglitazone were administered by gavage for two weeks and results were compared with two control groups. After treatment period, serum glucose, insulin, adiponectin, triglyceride, and cholesterol were assayed in fasting state. Plasma free fatty acid profile was analyzed by GC. Liver PPAR.gamma and muscle GLUT.4 gene expressions were assessed by real time PCR and western blotting. Animals were treated with rosa damascena extract showed levels of insulin (42 +/- 2.7 pmol/L). adiponectin (5.6+/-0.17 MUg/mL). glucose (129+/-4.7 mg/dL). and triglyceride (75 +/- 9 mg/dl) which were significantly improved as compared with control group insulin (137 +/- 34 pmol/L), adiponectin (3.9+/-0.15 MUg/mL). glucose (187+/-15 mg/dL). and triglycerides (217+/-18 mg/dL). PPARgamma protein level was also significantly increased in Rosa damascene treated group. Our results demonstrated that rosa damascena extract has useful effects on insulin resistant animals and by increasing insulin sensitivity can be considered as a potential agent in control of diabetes. PMID- 29201097 TI - The Evaluation and Comparing of Cytotoxic Effects of Ferula gummosa Gum, Scutellaria lindbergii, Kelussia odoratissima and Artemisia kopetdaghensis Extracts on ACHN Cell Line. AB - Renal cell carcinoma (RCC) is one of most fatal cancers. In most patients it is resistant to chemotherapy. Ferula gummosa gum, Scutellaria lindbergii, Kelussia odoratissima, and Artemisia kopetdaghensis are herbs about which there are some cytotoxic activity reports. In this study, cytotoxic and apoptotic activity of these four extracts on RCC cell line (ACHN) were evaluated and compared (ACHN) cells were treated with different concentrations of herbal extracts (15-500 MUg/mL). Cell proliferation was determined after 24, 48, and 72 h. by MTT assay. Apoptotic cells were determined using PI staining of DNA fragmentation by flow cytometry. Cell viability decreased with all herbal extracts in ACHN cells by 24, 48, and 72 h. as compared with control. Extracts induced a sub-G1 peak in flow cytometry histogram of treated cells indicating apoptotic cell death is involved in extracts induced-toxicity. Results imply that four herbal extracts inhibit the growth of ACHN cells as a concentration- and time-dependent manner. Also, results show that apoptosis is proposed as the possible mechanism of action. So, four herbal extracts could be considered as good anticancer agents in RCC after further studies. PMID- 29201098 TI - Exposing the Molecular Screening Method of Indonesian Natural Products Derivate as Drug Candidates for Cervical Cancer. AB - The menace of cervical cancer has reached an alarming rate. There are more than 450.000 cases of cervical cancer yearly, with mortality rate of about 50%. This deadly cancer is caused by human papillomavirus (HPV), mainly subtypes 16 and 18. The pharmaceutical industry has produced drug for combating the virus, known as SAHA (suberoylanilide hydroxamic acid). It inhibits class II HDAC Homo sapiens (HDACi). The utilization of SAHA has some side effects, one of which is bone loss. Thus, searching for viable alternatives aside SAHA is inevitable. The objective of this research is to investigate the molecular interaction of selected Indonesian natural products with class II HDAC Homo sapiens. LigX tool in MOE 2008.10 was used as an instrument to investigate the molecular interaction. Then, computer-aided drug discovery and development (CADDD) approach involving molecular docking and dynamics methods was utilized to screen the natural products library. In the end, we found that herbaric acid could act as a potential drug candidate for cervical cancer. PMID- 29201099 TI - Synthesis and Biological Evaluation of Thiosemicarbazide Derivatives Endowed with High Activity toward Mycobacterium Bovis. AB - Thiosemicarbazides are potent intermediates for the synthesis of pharmaceutical and bioactive materials and thus, they are used extensively in the field of medicinal chemistry. The imine bond (-N=CH-) in this compounds are useful in organic synthesis, in particular for the preparation of heterocycles and non natural beta-aminoacids. In this paper the synthesis of some new thiosemicarbazide derivatives by condensation reaction of various aldehydes or ketones with 4-phenylthiosemicarbazide or thiosemicarbazide is reported. This synthesis method has the advantages of high yields and good bioactivity. The structures of these compounds were confirmed by IR, mass, 1H NMR, 13C NMR, and single-crystal X-ray diffraction studies. All of these compounds were tested for their in-vitro anti-mycobacterial activity. The influence of the functional group and position of substituent on anti-bacterial activity of compounds is investigated too. The preliminary results indicated that all of the tested compounds showed good activity against the test organism. The compounds 11 and 30 showed the highest anti-tubercular activity (0.39 MUg/mL). This synthesis method has the advantages of high yields and good bioactivity. PMID- 29201100 TI - Single Step Purification of Novel Thermostable and Chelator Resistant Amylase from BacillusLicheniformis RM44 by Affinity Chromatography. AB - Bacillus licheniformis RM44 was isolated from hot spring near Karachi and screened for the production of extracellular amylase Amy RM44. Amy RM44 was purified to homogeneity on a single step by affinity chromatography using insoluble corn starch. The molecular weight of Amy RM44 was estimated to be 66 kDa by SDS-PAGE and zymographic analysis. Nine fold purification was achieved with the specific activity of 870 U/mg that provides the total yield of the enzyme up to 31%. Studies on purified AmyRM44 characterization revealed that the optimum temperature of enzyme was 100 oC. Amy RM44 was proved to be highly thermostable as it retained 50% activity after 2 h at 100 oC. Amy RM44 was stable over wide range of pH with optimum activity at pH 5. Enzyme activity was not significantly inhibited by SDS and EDTA. Amy RM44 also exhibited its activity towards various carbohydrates such as dextrin, pullulan, alpha-cyclodextrin, beta cyclodextrin, and gamma-cyclodextrin. PMID- 29201101 TI - Interfering With Lipid Raft Association: A Mechanism to Control Influenza Virus Infection By Sambucus Nigra. AB - Sambucus nigra (elder) are broadly used species to treat microbial infections. The potential antiviral activity and mechanism action of elder fruit (EF) in human epithelium cell (A549) cultures infected with H9N2 influenza virus were determined. The effect of various concentrations of EF on influenza virus replication was examined by using virus titration, quantitative real time RT-PCR, fusion and lipid raft assays following two treatment procedures: A) pre-treated H9N2 virus with each concentration of EF extract and transfection of A549 cell cultures, and B) each concentrations of EF was added to H9N2 virus infected-cell cultures following virus adsorption. In both treatments with lower doses of EF increased viral titer as well as synthesized viral nucleoprotein as indicating the herb had no inhibitory effects on virus replication. In (B) trial with higher doses, 40 and 80 MUg/mL of EF, a significant decrease in virus titer and viral protein synthesis were shown in EF treated cells indicating the herb affect either entry of viruses or inhibition virus particle release. The results suggest that EF treatment of the influenza virus infected-human epithelial cells may involve in lipid raft association which function as platform for formation of viral membrane fusion and budding. Differencesin treatment time and dose of EF extract in infected cells with influenza virus have a marked effect on the efficacy of the herb. PMID- 29201102 TI - Enzymatic Analysis of Iranian Echis carinatus Venom Using Zymography. AB - Snakebite is a common problem especially in tropical areas all over the world including Iran. Echis carinatus as one of the most dangerous Iranian snakes is spreading in this country excluding central and northwest provinces. In this study gelatinase and fibrinogenolytic properties as two disintegrating matrix metalloproteinase enzymes were evaluated by a strong clear halo between 56-72 kDa in addition to another band located 76-102 kDa for gelatinase and one major band around 38 kDa for fibrinogenolytic enzyme respectively. The electrophorectc profile of our venom demonstrated at least one protein band between 24-31 kDa like previous reports and another two bands between 52-76 kDa and below 17 kDa stemmed probably due to the effect of natural selection in one species. According to our results Razi institute antivenin could neutralize in-vitro effects of gelatinase enzyme comprehensively. The electrophoretic profile of Iranian commercial antivenom as the main intravenous treatment of envenomed patients showed impurities in addition to F (ab')2 weighing 96 kDa in SDS-PAGE analysis. It proposes more efforts for refinement to avoid short and long unwanted effects in envenomed patients. PMID- 29201103 TI - Microbial Hydroxylation of 16alpha, 17alpha-Epoxyprogesterone by Penicillium Decumbens. AB - Microbial transformation has been successfully applied in the production of steroid intermediates with therapeutic use and commercial value in pharmaceutical industry due to its high regio- and stereo-selectivity. As such, it is still important to screen microbial strains with novel activity or more efficient abilities in the development of the commercial steroid industry. Biotransformation of steroid: 16alpha, 17alpha-epoxyprogesterone (1). using Penicilliumdecumbens as biocatalyst was investigated and selective hydroxylation of 1 was observed. The products were separated by silica gel column chromatography, and the structure determination was performed by MS, NMR, and X ray crystallography. Biotransformation of 1 afforded 7beta-hydroxy-16alpha, 17alpha-epoxyprogesterone (2). and 7beta,11alpha-dihydroxy-16alpha,17alpha- epoxyprogesterone (3). The two novel metabolic products 2 and 3 were reported for the first time. Moreover, the identified C7beta- and C11-alphahydroxylation is a novel reaction of microbial transformation of steroids by P.decumbens. PMID- 29201104 TI - Biosynthesis, Characterization, Antimicrobial and Cytotoxic Effects of Silver Nanoparticles Using Nigella arvensis Seed Extract. AB - The biogenic synthesis of metal nanomaterial offers an environmentally benign alternative to the traditional chemical synthesis routes. In the present study, the green synthesis of silver nanoparticles (AgNPs) from aqueous solution of silver nitrate (AgNO3) by using Nigella arvensis L. seed powder extract (NSPE) has been reported. AgNPs were characterized by UV-vis absorption spectroscopy with an intense surface plasmon resonance band at 435 nm which reveals the formation of nanoparticles. Fourier transmission infrared spectroscopy (FTIR) showed that nanoparticles were capped with plant compounds. Transmission electron microscopy (TEM) showed silver nanoparticles, with a size of 2-15 nm, were spherical. The X-ray diffraction spectrum (XRD) pattern clearly indicates that AgNPs formed in the present synthesis were crystalline in nature. Stabilized films of exudate synthesized AgNPs were effective anti-bacterial agents. In addition, these biologically synthesized nanoparticles were also proved to exhibit excellent cytotoxic effect on a human breast cancer cell line (MCF-7) and a human colorectal adenocarcinoma cell line (HT-29). The results confirmed that the NSPE is a very good ecofriendly and nontoxic source for the synthesis of AgNPs as compared to the conventional chemical/physical methods. Therefore, N. arvensis seed provides future opportunities in nanomedicine by tagging nanoparticles with secondary metabolites. PMID- 29201105 TI - Synthesis, Characterization, and Biological Activity Studies on Fanlizhicyclopeptide A. AB - The synthesis of a proline-rich cyclic heptapeptide, fanlizhicyclopeptide A (8), previously isolated from the fruits of Annona squamosa (sugar-apples), is described via coupling of tetrapeptide -prolyl--tyrosyl--leucyl--proline methyl ester with tripeptide Boc-glycyl--valyl--proline followed by cyclization of the linear fragment having seven amino acid units. Structure of the synthesized cyclooligopeptide was confirmed by the means of chemical and spectroscopic methods including FTIR, 1H NMR, 13C NMR, FABMS and further, subjected to the anthelmintic, antibacterial and the antifungal activity studies. Bioactivity results indicated that the newly synthesized cyclic peptide displayed potent anthelmintic activity against the three earthworm species Megascoplex konkanensis, Pontoscotex corethruses and Eudrilus eugeniae at 2 mg/mL and remarkable anti-dermatophytic activities against Trichophyton mentagrophytes and Microsporum audouinii at concentration of 6 ug/mL. PMID- 29201106 TI - Expression of TolC and Organic Solvent Tolerance of Escherichia Coli Ciprofloxacin Resistant Mutants. AB - AcrAB-TolC is a major efflux pump in Escherichia coli. It was reported that tolC is overexpressed and involves in improving the organic solvent tolerance level in Escherichia colimarR mutants that are resistant to several antibiotics, such as ciprofloxacin. Low and intermediate levels resistance did not improve organic solvent tolerance. Thus, it was decided to measure tolC expression and organic solvent tolerance in high level ciprofloxacin resistant mutants. tolC expression was measured by real time PCR and organic solvent tolerance assay was conducted by counting bacterial colonies on LBGMg agar. Results showed that tolC expression was increased significantly (P<0.05) and organic solvent tolerance was slightly improved in high resistant mutants. It was concluded that high organic solvent tolerance may need higher expression of tolC. PMID- 29201107 TI - Selective activity of Oleanolic and Maslinic Acids on the Amastigote form of Leishmania Spp. AB - Leishmaniasis represents a serious threat to the health as one of the most important neglected tropical diseases as designated by the World Health Organization. The disease is endemic in 82 countries, among them Tunisia is an indigenous area for cutaneous Leishmaniasis. In a previous work, two tritepenic acids namely oleanolic and maslinic acids have been isolated from olive leaf extract. In the present paper, the in vitro activity against amastigotes stage of Leishmania (L.) infantum and Leishmania (L.) amazonensis was investigated. Maslinic acid showed the highest activity, against L. amazonensis, with an IC50 of 1.417 +/- 0.401 ug/mL and a selectivity index of 9.405. Although, the oleanolic acid exhibit a better activity against L. infantum with an IC50 of 0.999 +/- 0.089 ug/mL and selectivity index of 8.111. PMID- 29201108 TI - Truncated forms of RUNX3 Unlike Full Length Protein Alter Cell Proliferation in a TGF-beta Context Dependent Manner. AB - The Runt related transcription factors (RUNX) are recognized as key players in suppressing or promoting tumor growth. RUNX3, a member of this family, is known as a tumor suppressor in many types of cancers, although such a paradigm was challenged by some researchers. The TGF-beta pathway governs major upstream signals to activate RUNX3. RUNX3 protein consists of several regions and domains. The Runt domain is a conserved DNA binding domain and is considered as the main part of RUNX proteins. Herein, we compared the effects of Runt domains and full Runx3 in cell viability by designing two constructs of Runx3, including N terminal region and Runt domain. We investigated the effect of full-Runx3, N-t, and RD on growth inhibition in AGS, MCF-7, A549, and HEK293 cell lines which are different in TGF-beta sensitivity, in the absence and presence of TGF-beta. The full length RUNX3 did not notably inhibit growth of these cell lines while, the N t and RD truncates showed different trends in these cell lines. Cell proliferation in the TGF-beta impaired context cell lines (AGS and MCF-7) significantly decrease while in the A549 significantly increase. On the other hand, transfection of N-t and RD did not considerably affect the cell proliferation in the HEK293.Our results show that full-lenght RUNX3 did not affect the cell viability. Conversely, the N-t and RD constructs significantly changed cell proliferation. Therefore, therapeutic potentials for these truncated proteins are suggested in tumors with RUNX proteins dysfunction, even in the TGF beta impair context. PMID- 29201109 TI - Evaluation of Apoptosis in Multipotent Hematopoietic Cells of Bone Marrow by Anthracycline Antibiotics. AB - Anthracycline antibiotics are potent anticancer drugs widely used in the treatment of solid tumors and hematological malignancies. Because of their extensive clinical use and their toxic effect on normal cells, in the present study the effect of these drugs on multipotent hematopoietic bone marrow cells was investigated employing, viability tests, PARP cleavage, Hoechst 33258 staining, DNA fragmentation and superoxide anion production techniques. The results revealed that daunorubicin and doxorubicin exhibited time and dose dependent cytotoxicity against the cells and upon increasing the drugs concentrations, apoptosis was occurred after 4 h of incubation and at low concentration of the drugs. The cleavage of poly ADP-ribose polymerase (PARP) demonstrated by daunorubicin and doxorubicin treatment of the cells, suggest that the apoptotic process is PARP dependent. The drugs induced DNA fragmentation and also anion superoxide production was increased upon rising drugs concentrations. From the results it is concluded that anthracycline antibiotics represent cytotoxic effect on hematopoietic progenitor/stem cells of bone marrow, inducing apoptosis and in this process toxicity of daunorubicin is more pronounced compared to doxorubicin. PMID- 29201110 TI - Presentation of a Novel Model for Evaluation of Commercialization of Research and Development: Case Study of the Pharmaceutical Biotechnology Industry. AB - The current situation in Iran suggests an appropriate basis for developing biotechnology industries, because the patents for the majority of hi-tech medicines registered in developed countries are ending. Biosimilar and technology oriented companies which do not have patents will have the opportunity to enter the biosimilar market and move toward innovative initiatives. The present research proposed a model by which one can evaluate commercialization of achievements obtained from research with a focus on the pharmaceutical biotechnology industry. This is a descriptive-analytic study where mixed methodology is followed by a heuristic approach. The statistical population was pharmaceutical biotechnology experts at universities and research centers in Iran. Structural equations were employed in this research. The results indicate that there are three effective layers within commercialization in the proposed model. These are a general layer (factors associated with management, human capital, legal infrastructure, communication infrastructure, a technical and executive infrastructures, and financial factors), industrial layer (internal industrial factors and pharmaceutical industry factors), and a third layer that included national and international aspects. These layers comprise 6 domains, 21 indices, 41 dimensions, and 126 components. Compilation of these layers (general layer, industrial layer, and national and international aspects) can serve commercialization of research and development as an effective evaluation package. PMID- 29201111 TI - Cytokine Indexes in Pemphigus Vulgaris: Perception of Its Immunpathogenesis and Hopes for Non-Steroidal Treatment. AB - Pemphigus vulgaris (PV) is a chronic autoimmune blistering disease of the skin, in which loss of adhesion between keratinocytes is caused by autoantibodies. It has been hypothesized that cytokines play an essential role in the pathogenesis of PV. This study aimed to investigate the other immunopathological aspects of PV by determining the serum levels of cytokines in PV patients to find another treatment strategy except corticosteroid therapy. Twenty-three patients with PV and a control group consisting of 24 healthy subjects were studied. Interleukin (IL)-2, IL-4, IL-6, IL10, IL-12, IL-17 and interferon-gamma (IFN-gamma) were measured in the sera of patients by the enzyme-linked immunosorbent assay (ELISA) method. The serum levels of IL-2, IL-4, IL-17 and IFN-gamma in most patients and controls were undetectable. The serum concentrations of IL-10 in the patients and controls were undetectable, nevertheless, the mean serum levels of this cytokine was 64.375 pg/mL in four patients. The mean serum levels of pro-inflammatory cytokine IL-6 increased significantly in the patients, compared to the controls (169.50 vs. 75.62 pg/mL) (P < 0.05). The same was observed for another pro inflammatory cytokine, IL-12 (135.33 vs. 86.28 pg/mL) (P < 0.05). Based on the results of this study it can be concluded that the Type 2 T helper cytokine (IL 6) and macrophage-derived cytokine (IL-12) have essential roles in PV pathophysiology. In addition, the potential clinical application of Th1/Th2 type cytokine-based therapy in PV should be considered in next studies. PMID- 29201113 TI - Correlation between Rs2108622 Locus of CYP4F2 Gene Single Nucleotide Polymorphism and Warfarin Dosage in Iranian Cardiovascular Patients. PMID- 29201112 TI - Association of Warfarin Therapy with APOE and VKORC1 Genes Polymorphism in Iranian Population. AB - Warfarin is a vitamin K antagonist that genetic and non-genetic factors affected on its dose requirement in the patients with cardio vascular disease. The aim of this study was whether the APOE and VKORC1 polymorphisms influence on warfarin dose requirements in the part of Iranian patients. Blood samples were collected from 86 warfarin-treated patients. After extraction of genomic DNA, the VKORC1 (rs9923231) and the APOE (rs429358 and rs7412) polymorphisms were genotyped by PCR-RFLP technique. We found that the Iranian patients carrying genotypes GA or AA of VKORC1 polymorphism tended to receive lower dose of warfarin (p = 0.018). Furthermore, the E3/E3 genotype was observed with the frequency more than 60% in the patients with low dose of warfarin. The BMI and weight also showed a positive correlation with warfarin dose. However, it was not statistically significant (p > 0.05). The results of this study may be useful in defining of warfarin dose algorithms for Iranian patients. PMID- 29201114 TI - Once Versus Thrice Daily Colistin in Critically Ill Ptients with Multi-Drug Resistant Infections. AB - : The aim of this study was to evaluate the procalcitonin (PCT) changes in two different high-dose colistin regimens in the treatment of multi-drug resistant MDR gram negative infections in ICU patients. This is a prospective study of adult ICU patients with bacteremia and ventilator associated pneumonia (VAP) caused by MDR gram negative pathogens. Patients were assigned to two colistin administration groups. Group A received 9 and group B received 3 million international units every 24 and 8 h respectively. Baseline characteristics and measurements of PCT concentrations at the start, the 3rd and the 5th day of the antibiotic therapy and their trends between the two groups were recorded and compared. of 40 patients enrolled, 34 completed the study protocol, of whom 30 (88.2%) had (VAP) and 4 (11.8%) had bacteremia. There were no statistically significant differences in the baseline characteristics between the two groups. The mean PCT levels in two study groups were; 2.34, 1.24, and 0.95 in group A and 5.89, 1.24 and 0.8 in group B at the baseline, 3rd and 5th day of colistin administration respectively (P=0.47). The ICU length of stay (LOS) in days and ICU mortality were; 31.31, 35.3% and 32.06, 22.2% in groups A and B (P=0.39, 0.87), respectively. CONCLUSION: We did not find any statistically significant differences in the serum PCT levels, ICU LOS or ICU mortality, between the two groups, who received maximum recommended dose of CMS with 2 different intervals of every 8 or 24 h. PMID- 29201115 TI - Effect of Vitamin D Supplementation on Procalcitonin as Prognostic Biomarker in Patients with Ventilator Associated Pneumonia Complicated with Vitamin D Deficiency. AB - Ventilator-associated pneumonia (VAP) is a common and serious problem that develops after more than 48 h of mechanical ventilation. Improving the activity of immune system with vitamin D, and its consequent impact on prognostic biomarkers of VAP was studied in the current study. A randomized double blind placebo controlled clinical trial was designed. A total of 46 patients with VAP, who were suffering from vitamin D deficiency, were randomly allocated into the study groups of placebo (n=22) and treatment (n=24) The treatment group received 300,000 units of intramuscular vitamin D. Serum levels of procalcitonin and vitamin D along with SOFA and CPIS scores were determined at baseline and on day 7 after intervention. The mortality rate of patients was also monitored for the succeeding 28 days after the injection. The administration of vitamin D significantly enhanced its levels (P<0.0001) in the treated patients (12.28 +/- 8.26) in comparison to placebo group (1.15 +/- 1.50). The levels of PCT were significantly decreased (p=0.001) in the treatment group (- 0.02 +/- 0.59 ng/mL) compared to that of placebo group (0.68 +/- 1.03 ng/mL). However, changes in (SOFA) and CPIS scores were not significantly different between study groups (p=0.63 and p=0.32, respectively). Interestingly, the mortality rate of patients in the treatment group (5/24) was significantly lower (p=0.04) than that of the placebo group (11/22). In conclusion, our results indicate that vitamin D supplementation can significantly reduce the procalcitonin in (VAP) patients, and must be considered as a preventive and/or therapeutic strategy. PMID- 29201116 TI - Fluoxetine Regulates Ig Kappa Chain C Region Expression Levels in the Serum of Obsessive-Compulsive Disorder Patients: A proteomic Approach. AB - Obsessive-Compulsive Disorder (OCD) is one of the most common mental conditions. Proteome profiling may help identifying important proteins and finally shed lights to complexity of OCD underlying mechanisms. Here, by the application gel based proteomic approach the proteome profile of patients with washing subtype of OCD before and after treatment with Fluoxetine (positive responders) are compared to healthy matched controls. However, only one of the differentially expressed proteins is examined and introduced in this paper. Proteomic analysis was done by the application of two-dimensional polyacrylamide gel electrophoresis (2-D PAGE), combined with (MALDI-TOF-TOF MS)-based. Furthermore, network analysis and biological annotation were handled by Cytoscape Plug-in and CluePedia. The proteome comparison between groups identified protein with the significant expression changes (p<0.05 and fold change >= 1.5). While the expression level of Ig Kappa Chain C Region is significantly decreased in OCD patients before any treatments, the trend is almost normalized after treatment with Fluoxetine in positive responders. In addition, interaction profile of IGKC shows that the interacting proteins may be affected as the expression pattern of IGKC changes in OCD patients. In conclusion, IGKC may be introduced as potential biomarker in our study; yet, investigation in bigger sample size and application of validation methods is a requirement. PMID- 29201117 TI - The Effect of Baby Walker on Child Development: A Systematic Review. AB - Objective: Baby walkers are used all around the world as fun equipment without any dangers. In contrast with public beliefs, some researchers have claimed they can cause developmental delay. We aimed to investigate their effect on child development through a systematic review. Materials & Methods: We searched PubMed, Google Scholar, EMBASE, and Scopus for related articles in English and included all study designs. All articles, which fulfilled the inclusion criteria, were included without considering the year of publication. Results: Of 315 articles found in PubMed, 1630 citations in Google Scholar, 18 articles in EMBASE, and 38 papers in Scopus, only 9 articles fulfilled the inclusion criteria. Among them, a cohort study and two cross-sectional studies reported developmental delay in thaspects in baby walker users. Other studies including clinical trials did not show any developmental delay in these children. Conclusion: Evidence against baby walker is not enough regarding its negative effect on child development. This subject needs to be addressed more, considering a large number of baby walker users worldwide. PMID- 29201118 TI - Duchenne Muscular Dystrophy (DMD) Protein-Protein Interaction Mapping. AB - Objective: Duchenne muscular dystrophy (DMD) is one of the mortal diseases, subjected to study in terms of molecular investigation. In this study, the protein interaction map of this muscle-wasting condition was generated to gain a better knowledge of interactome profile of DMD. Materials & Methods: Applying Cytoscape and String Database, the protein-protein interaction network was constructed and the gene ontology of the constructed network was analyzed for biological process, molecular function, and cellular component annotations. Results: Among 100 proteins related to DMD, dystrophin, utrophin, caveolin 3, and myogenic differentiation 1 play key roles in DMD network. In addition, the gene ontology analysis showed that regulation processes, kinase activity, and sarcoplasmic reticulum were the highlighted biological processes, molecular function, and cell component enrichments respectively for the proteins related to DMD. Conclusion: The central proteins and the enriched ontologies can be suggested as possible prominent agents in DMD; however, the validation studies may be required. PMID- 29201119 TI - Fordyce Happiness Program and Performance for Mothers of Children with Cleft Lip and Palate Referring Healthcare Team in Isfahan University of Medical Sciences in 2015. AB - Objective: The present study was conducted to investigate the effect of happiness program on performance for mothers of children with cleft lip and palate. Materials & Methods: In this semi experimental study, 64 mothers of children with cleft lip and palate referring healthcare team in Isfahan University of Medical Sciences, Iran were enrolled by simple random sampling in 2015. They were divided to two groups of control and intervention. Then, the program of happiness training was implemented within 10 sessions of two hours each and performance questionnaire were filled out prior two months after the last session. The data were analyzed by paired t-test, independent t-test, chi-square and Mann-Whitney. Results: Mean age of the mothers in intervention and control groups was 33.3+/ 6.3 and 33.5+/-5.8 yr, respectively. Mean age of the children in intervention and control groups was 6.34+/-3.37 and .03+/-3.36 yr, in that order. No significant difference was seen on demographic variables between the two groups. Besides, no significant difference was noticed on mean score of performance domains in the two groups before training. However, after 2 months a significant difference on mean score of performance domains was observed (P<0.000). Intervention group showed significant differences on mean score of performance domains before and after intervention (P<0.000). However, the control group had no significant change. Conclusion: Given the effect of happiness, program in promoting mothers performance for children with cleft lip and palate, this program can be used in healthcare centers to empower mothers and enhance performance in taking care of children. PMID- 29201121 TI - Assessment of Toxoplasma Seropositivity in Children Suffering from Anxiety Disorders. AB - Objective: This study aimed to assess the seroprevalence of Toxoplasma gondii in children with anxiety disorders. Materials & Methods: This cross-sectional study was conducted between Sep 2012 and May 2013 in Pediatrics Clinic of Baqiyatallah Hospital, Tehran, Iran. Children were assessed clinically. Diagnosis of patients with anxiety disorders was based on DSM-4 system, performed by child psychiatrist. Then their anti-Toxoplasma antibodies were measured. A questionnaire was verbally administered to all individuals' parents including demographic information and questions about life style, family history, medical history, economic situation, residence, nutritional patterns and contact with animals. Results: Ninety-six male and female cases with a mean age of 8.56+/-2.5 and 8.42+/-1.9 yr underwent analysis. Anti- T. gondii IgG antibody was found in one case of each group. There was no significant difference between case and control groups for serum Toxoplasma IgG antibody (P=0.14). No case individuals had Anti- T. gondii IgM antibody, while it was found in one control individual. No significant difference was seen between case and control groups for Toxoplasma IgM antibody (P=0.27). Conclusion: Toxoplasmosis has no direct effect on the incidence of anxiety disorders. More studies are needed with a larger volume of individuals in future. PMID- 29201120 TI - Long-term Video-EEG Monitoring Findings in Children and Adolescents with Intractable Epilepsy. AB - Objective: Long Term Video-EEG Monitoring (LTM) may give us important information in the preoperative assessment of these patients. We performed this study for the first time in pediatric age group in Iran. Materials and Methods: In this cross sectional study, 43 children between 4 to 18 yr, with intractable epilepsy referred to Shefa Neuroscience Research Center, Tehran, Iranfrom2007-2012, were enrolled to study in order to evaluate their long-term video EEG findings. Results: The patients mean age was10.07 yr, from which 24(65.9%) were boys.Seven patients with definite epileptogenic zone were advised to perform lesionectomy surgery.In two patients, there was not any seizure onset focus but corpus callosotomy was advised to control their frequent falling.Eight cases were recommended to perform electrocorticography or invasive EEG monitoring and26 cases to adjust medical treatment. In three cases, there was not any electrical seizure activity during clinical attacks, so discontinuing anti-epileptic drugs were recommended fordiagnosis of conditions that mimic epilepsy. Conclusion: It is necessary to perform LTM in patients with refractory epilepsy in order to determine their treatment strategy. If there is any doubt about pseudoseizureLTM can help to differentiate epilepsy from conditions that mimic epilepsy. PMID- 29201122 TI - Quasi-experimental Effectiveness of Cognitive-behavioral Therapy on Reliving Migraine Headaches in Migraine Sufferers. AB - Objective: This study aimed to investigate the effectiveness of cognitive behavioral therapy on relieving migraine headaches in migraine sufferers. Materials & Methods: In this quasi-experimental study with pre-test and post-test method, the samples were outpatients of public hospitals in Ilam City, southwestern Iran since May-Jul 2010. They were selected based on inclusion and exclusion criteria, and divided into experimental and control groups. The data were analyzed using SPSS ver. 16 and via multivariate covariance method. Results: Cognitive-behavioral therapy affected on reducing the duration of symptoms of migraine in sufferers (P<0.05). Conclusion: Cognitive behavioral therapy effects on reducing the time duration of symptoms of migraine headaches. Thistherapeutic method increases the level of individual, familial, social and occupational activities by reducing the time duration of symptoms and this method helps the individuals to resume their activities and regain their previous control instead of founding themselves incapable and helpless due to the pain they suffer from. PMID- 29201123 TI - The Effect of Kinesio Taping on Handgrip and Active Range of Motion of Hand in Children with Cerebral Palsy. AB - Objective: Kinesio taping is a relatively new technique, which uses in rehabilitation of neurologic diseases. The aim of this study was to investigate the effects of Kinesio taping on hand grip and active range of motion of hand in children with cerebral palsy (CP). Materials and Methods: In this experimental study with pre-test and three post-tests, 32 children with CP randomly were placed in experimental (n=17) and control group (n=15).Kinesio taping was applied on dorsum of forearm and hand. Evaluation was performed initially, two days after taping and two days after tape removal. Goniometer was used to evaluate active range of motion of wrist extension. In addition, vigorimeter was used to evaluate of grip strength. Results: In pre-test, there was no difference between groups but in post-tests; initially after application of taping with P<0.05, two days after application of taping with P<0.05 and follow-up (two days after removed taping) with P<0.05 were significant differences between trial and control group. Conclusion: Kinesio taping in neurorehabilitation of children with CP can be a useful option to promote power or grip strength and active range of motion of wrist and thumb. PMID- 29201124 TI - Does Parent Report Gross Motor Function Level of Cerebral Palsy Children Impact on the Quality of Life in these Children? AB - Objective: The aim of this study was to assess the effect of parent report gross motor function level of cerebral palsy (CP) children on the parent report quality of life of CP children. Materials & Methods: Sampling of this cross-sectional study was done in occupational therapy clinics and CP children's schools in 2016 in Zanjan, Iran. Samples size was 60 CP children aged 6-12 yr and for sampling method, a non-probability convenience was used. For assessing the quality of life of CP children the cerebral palsy quality of life (CP QOL) questionnaire and for assessing the level of gross motor function of CP children the Gross Motor Function Classification System Family Report Questionnaire (GMFCSFRQ) were used. Results: The average age of children (22 males and 30 females) was 8.92 yr old (minimum 6 yr and maximum 12 yr). The relationship between the level of gross motor function and participation and physical health was direct and significant (r=0.65). The relationship between functioning, access to services and family health with the level of gross motor function was direct but was not significant (P>0.05) and the relationship between pain and impact of disability and emotional well-being with the level of gross motor function was significant (P<0.05). Conclusion: There was no strong correlation between the level of gross motor function and quality of life of children with cerebral palsy. It means that the level of gross motor function cannot be used as a predictor of quality of life for children with cerebral palsy alone. PMID- 29201125 TI - Glutaric AciduriaType 1: Clinical and Molecular Study in Iranian Patients, 3 Novel Mutations. AB - Objective: Glutaricaciduria type 1 (GA1), is a rare, treatable neuro metabolic disease, due to glutaryl- CoA dehydrogenase (GCDH) gene mutation.In regions without neonatal blood screening (NBS), patients are diagnosed in symptomatic period. This study was carried out to assess patients with GA1 for clinical, biochemical, neuroimaging findings and GCDH gene mutations analysis. Materials & Methods: In this cross-sectional study, clinical manifestation, neuroimaging and metabolic findings of eleven Iranian GA1 patients of MofidChildren's Hospital, Tehran, Iranbetween 2001 and 2011,were evaluated.Mutational analysis of the GCDH gene was performed on genomic DNA. Genomic DNA was extracted from peripheral lymphocytes using QIAamp DNA Micro Kit (Qiagen). All 11 exons and flanking intronic regions of the GCDH gene were amplified by polymerase chain reaction (PCR). Results: All patients were diagnosed before 32 months old. Clinical presentations of GA1 include acute encephalopathic crisis and/or developmental delay and macrocephaly. Seven GCDH gene mutations were detected in our patients. The most frequent GCDH mutations occurred in exon7 then exon8, 10 and11. G244 C in exon7, R294 Q in exon8 and N373 S in exon 10 were three novel mutations. There was no correlation between of genotype and phenotype in our patients. Conclusion: Physician must remember GA1 in differential diagnosis of acute encephalopathic crisis, macrocephaly, developmental delay, movement disorders such as dystonia and dyskinesia. Early detection, proper treatment and selective screening of patients' siblings can prevent neurologic disabilities. PMID- 29201126 TI - Neurological Crises after Discontinuation of Nitisinone (NTBC) Treatment in Tyrosinemia. AB - Objective: Tyrosinemia type 1 is a hereditary disorder with liver, kidney and nervous system involvement. Neurological crises can occur in tyrosinemic patients without treatment or when treatment stops. Here we report three children that developed diaphragmatic paralysis after discontinuation of nitisinone. In patients with tyrosinemia type 1, combined treatment with nitisinone and a low tyrosine diet have prevented neurological crises. The purpose of this article was to express the importance of taking nitisinone (NTBC) for tyrosinemia diseases and risks of inadvertent discontinuation. Materials & Methods: We describe three children referred to emergency department of Nemazee Hospital, Shiraz, Iran in December 2015 with tyrosinemia type 1 who stopped NTBC treatment, presenting with respiratory. Clinical findings, laboratory results, and imaging study were assessed in three patients on admission and after starting nitisinone. Results: All patients developed diaphragmatic paralysis and respiratory distress after interruption of nitisinone treatment. Two of the patients were improved after starting nitisinone. One patient expired due to respiratory failure. Full recovery occurred about 2 months after starting nitisinone. Conclusion: Discontinuation of nitisinone can induce diaphragmatic paralysis and respiratory failure. Therefore, we should advise patients to use NTBC for the long term and not interrupt it. PMID- 29201127 TI - Another Limping Child: An Interesting Diagnosis Journey. AB - Limp is described as any deviation from a normal gait pattern for the child's age. Limping takes many forms and is one of the most enigmatic complaints in pediatric medicine. It is never normal, and both benign and life-threatening illnesses can present with limp. The provisional diagnosis can be a challenge to establish even after history, physical, and laboratory examinations. PMID- 29201128 TI - A Highlighted Case for Emphasizing on Clinical Diagnosis for Rare Syndrome in Third World. AB - Premature tooth loss is a disastrous situation that affects deciduous or permanent teeth era with different causes. It may be attributed to some disorders like Papillon-Lefevre syndrome or coffin-lowry syndrome but because of ambiguous nature, precise diagnosis is not easily possible. Moreover, it has very low incidence and defines by few and limited case series, with vague characters to some extent, confusion in detecting the right diagnosis is a common possibility. Hence, it is expectable to have a wrong diagnosis for this case. In this study, a 5-yr-old boy with chief complaint of early tooth loss despite having blindness in left eye and palmar keratosis is reported, although he had some other manifestation of oculodentodigital dysplasia (ODDD) like ataxia, dysarthria and nail deformity, ignoring other extra and intra oral finding. He was diagnosed as Papillon-Lefevre syndrome already, just because of early tooth loss and palmar keratosis. PMID- 29201129 TI - Cerebral Vasculitis in a Case of Meningitis. AB - Cerebral vasculitis is a serious complication of meningitis with Streptococcus pneumoniae. We report a 5 yr old girl who was admitted in May 2015 at Fortis Hospital, Kolkata, India and was diagnosed to have pneumococcal meningitis with vasculitis on DWMRI within a week of onset of fever. She was given high dose of methyl-prednisolone simultaneously with antibiotics and successfully treated without any neuro-sequelae. Although vasculitis has been documented to develop as sequelae to bacterial meningitis usually in the second week, our patient had an early presentation. Treatment with high dose steroid along with antibiotics resulted in dramatic improvement with no neurodeficit. DW-MRI is an important investigation to pick up early, evidence of vasculitis in a patient with meningitis who is showing neurological deteriorations despite improvement in blood parameters. PMID- 29201130 TI - Flexible semiparametric joint modeling: an application to estimate individual lung function decline and risk of pulmonary exacerbations in cystic fibrosis. AB - Background: Epidemiologic surveillance of lung function is key to clinical care of individuals with cystic fibrosis, but lung function decline is nonlinear and often impacted by acute respiratory events known as pulmonary exacerbations. Statistical models are needed to simultaneously estimate lung function decline while providing risk estimates for the onset of pulmonary exacerbations, in order to identify relevant predictors of declining lung function and understand how these associations could be used to predict the onset of pulmonary exacerbations. Methods: Using longitudinal lung function (FEV1) measurements and time-to-event data on pulmonary exacerbations from individuals in the United States Cystic Fibrosis Registry, we implemented a flexible semiparametric joint model consisting of a mixed-effects submodel with regression splines to fit repeated FEV1 measurements and a time-to-event submodel for possibly censored data on pulmonary exacerbations. We contrasted this approach with methods currently used in epidemiological studies and highlight clinical implications. Results: The semiparametric joint model had the best fit of all models examined based on deviance information criterion. Higher starting FEV1 implied more rapid lung function decline in both separate and joint models; however, individualized risk estimates for pulmonary exacerbation differed depending upon model type. Based on shared parameter estimates from the joint model, which accounts for the nonlinear FEV1 trajectory, patients with more positive rates of change were less likely to experience a pulmonary exacerbation (HR per one standard deviation increase in FEV1 rate of change = 0.566, 95% CI 0.516-0.619), and having higher absolute FEV1 also corresponded to lower risk of having a pulmonary exacerbation (HR per one standard deviation increase in FEV1 = 0.856, 95% CI 0.781-0.937). At the population level, both submodels indicated significant effects of birth cohort, socioeconomic status and respiratory infections on FEV1 decline, as well as significant effects of gender, socioeconomic status and birth cohort on pulmonary exacerbation risk. Conclusions: Through a flexible joint-modeling approach, we provide a means to simultaneously estimate lung function trajectories and the risk of pulmonary exacerbations for individual patients; we demonstrate how this approach offers additional insights into the clinical course of cystic fibrosis that were not possible using conventional approaches. PMID- 29201131 TI - The male sexual apparatus in the order Scorpiones (Arachnida): a comparative study of functional morphology as a tool to define hypotheses of homology. AB - Background: Insemination in scorpions is carried out by means of a partly sclerotized structure, the spermatophore, which is composed of two separate halves, the hemispermatophores. In most genera these reproductive structures can be used to differentiate species. However, many taxa such as the genus Euscorpius and the family Diplocentridae lack the morphological diversity observed in the copulatory organs of many other arthropods, rendering them useless for species level taxonomy. Such structural stasis, however, suggests that hemispermatophores have evolved relatively slowly and may thus provide a stronger phylogenetic signal for recognizing supra-generic ranks than previously thought. Based on the postulate that the phenotypic stability observed in some groups is the consequence of functional constraint, the most comprehensive comparative study of the male sexual apparatus to date was conducted for a complete reassessment of the morphology, phylogenetic value and hypotheses of homology of these structures. Results: Hemispermatophores, pre- and post-insemination spermatophores, as well as the inherent mechanisms of insemination, were studied across the whole order, allowing the recognition and description of a series of five basic bauplans for the capsular region. For the most part, these patterns appear to be consistent within each major taxonomic group, but several cases of incongruence between spermatophore morphology and taxonomy raises questions about the monophyly of some clades. The Bothriuridae are traditionally regarded as a basal scorpionoid family. However, except for the genus Lisposoma, bothriurid hemispermatophores and spermatophores are morphologically more similar to those of the Chactoidea than to those of scorpionoids. On the other hand, the male copulatory structures of the hormurid clade (Hormiops (Hormurus + Liocheles)) are more akin to those of Diplocentridae and Heteroscorpionidae than to those of other hormurids. Conclusions: Spermatophore capsular patterns appears to be congruent with a recent phylogeny of the order Scorpiones based on phylogenomic data that placed Bothriuridae outside of Scorpionoidea and Liocheles outside of Hormuridae, in contradicton with earlier phylogenetic reconstructions based on morphology. This raises questions about the potential use of functionally constrained traits to assess the reliability of contradicting phylogenetic hypotheses and emphasizes the need for a thorough reassessment of the scorpion phylogenetic relationships. PMID- 29201132 TI - A multilevel longitudinal study of obsessive compulsive symptoms in adolescence: male gender and emotional stability as protective factors. AB - The severity of obsessive compulsive symptoms (OCS) is suggested to be normally distributed in the general population, and they appear to have an impact on a range of aspects of adolescent development. Importantly, there are individual differences regarding susceptibility to OCS. In the present repeated measures study, OCS were studied in relation to gender and emotional stability (as a personality trait) using a normative sample of 515 adolescents at ages 16 and 18 years. OCS were assessed with the relevant subscale of the SCL-90-R and emotional stability with the Five Factor Questionnaire. A three-level hierarchical linear model was calculated to longitudinally assess the over time variations of OCS and their over time links to gender and emotional stability, while controlling for random effects due to the nesting of the data. Experiencing OCS increased with age (between 16 and 18 years). Additionally, male gender and higher emotional stability were associated with lower OCS at 16 years and these remained stable over time. Results indicate age-related and between individual differences on reported OCS that need to be considered for prevention and intervention planning. PMID- 29201133 TI - Risk of lymphoma subtypes by occupational exposure in Southern Italy. AB - Background: Occupational exposure is known to play a role in the aetiology of lymphomas. The aim of the present work was to explore the occupational risk of the major B-cell lymphoma subtypes using a case-control study design. Methods: From 2009 to 2014, we recruited 158 lymphoma cases and 76 controls in the provinces of Bari and Taranto (Apulia, Southern Italy). A retrospective assessment of occupational exposure based on complete work histories and the Carcinogen Exposure (CAREX) job-exposure matrix was performed. Results: After adjusting for major confounding factors, farmers showed an increased risk of diffuse large B-cell lymphoma (DLBCL) [odds ratio (OR) = 10.9 (2.3-51.6)] and multiple myeloma (MM) [OR = 16.5 (1.4-195.7)]; exposure to the fungicide Captafol was significantly associated with risk of non-Hodgkin lymphoma (NHL) [OR = 2.6 (1.1-8.2)], particularly with the risk of DLBCL [OR = 5.3 (1.6-17.3)]. Conclusions: Agricultural activity seems to be a risk factor for developing lymphoma subtypes, particularly DLBCL, in the provinces of Bari and Taranto (Apulia Region, Southern Italy). Exposure to the pesticides Captafol, Paraquat and Radon might be implicated. Trial registration: Protocol number UNIBA 2207WEJLZB_004 registered 22/09/2008. PMID- 29201134 TI - Multi-feature machine learning model for automatic segmentation of green fractional vegetation cover for high-throughput field phenotyping. AB - Background: Accurately segmenting vegetation from the background within digital images is both a fundamental and a challenging task in phenotyping. The performance of traditional methods is satisfactory in homogeneous environments, however, performance decreases when applied to images acquired in dynamic field environments. Results: In this paper, a multi-feature learning method is proposed to quantify vegetation growth in outdoor field conditions. The introduced technique is compared with the state-of the-art and other learning methods on digital images. All methods are compared and evaluated with different environmental conditions and the following criteria: (1) comparison with ground truth images, (2) variation along a day with changes in ambient illumination, (3) comparison with manual measurements and (4) an estimation of performance along the full life cycle of a wheat canopy. Conclusion: The method described is capable of coping with the environmental challenges faced in field conditions, with high levels of adaptiveness and without the need for adjusting a threshold for each digital image. The proposed method is also an ideal candidate to process a time series of phenotypic information throughout the crop growth acquired in the field. Moreover, the introduced method has an advantage that it is not limited to growth measurements only but can be applied on other applications such as identifying weeds, diseases, stress, etc. PMID- 29201135 TI - Measuring Coupling of Rhythmical Time Series Using Cross Sample Entropy and Cross Recurrence Quantification Analysis. AB - The aim of this investigation was to compare and contrast the use of cross sample entropy (xSE) and cross recurrence quantification analysis (cRQA) measures for the assessment of coupling of rhythmical patterns. Measures were assessed using simulated signals with regular, chaotic, and random fluctuations in frequency, amplitude, and a combination of both. Biological data were studied as models of normal and abnormal locomotor-respiratory coupling. Nine signal types were generated for seven frequency ratios. Fifteen patients with COPD (abnormal coupling) and twenty-one healthy controls (normal coupling) walked on a treadmill at three speeds while breathing and walking were recorded. xSE and the cRQA measures of percent determinism, maximum line, mean line, and entropy were quantified for both the simulated and experimental data. In the simulated data, xSE, percent determinism, and entropy were influenced by the frequency manipulation. The 1 : 1 frequency ratio was different than other frequency ratios for almost all measures and/or manipulations. The patients with COPD used a 2 : 3 ratio more often and xSE, percent determinism, maximum line, mean line, and cRQA entropy were able to discriminate between the groups. Analysis of the effects of walking speed indicated that all measures were able to discriminate between speeds. PMID- 29201137 TI - Development and challenges of palliative care in Indonesia: role of psychosomatic medicine. AB - Purpose of review: To summarize the current status of palliative care and the role of psychosomatic medicine in Indonesia. Recent findings: Palliative care is not a new issue in Indonesia, which has been improving palliative care since 1992 and developed a palliative care policy in 2007 that was launched by the Indonesian Ministry of Health. However, the progress has been slow and varied across the country. Currently, palliative care services are only available in a few major cities, where most of the facilities for cancer treatment are located. Psychosomatic medical doctors have advantages that contribute to palliative care because of their special training in communication skills to deal with patients from the standpoints of both mind and body. Summary: Palliative care services in Indonesia are established in some hospitals. Future work is needed to build capacity, advocate to stakeholders, create care models that provide services in the community, and to increase the palliative care workforce. Psychosomatic medicine plays an important role in palliative care services. PMID- 29201136 TI - Depolarization signatures map gold nanorods within biological tissue. AB - Owing to their electromagnetic properties, tunability and biocompatibility, gold nanorods (GNRs) are being investigated as multifunctional probes for a range of biomedical applications. However, detection beyond the reach of traditional fluorescence and two-photon approaches and quantitation of their concentration in biological tissue remain challenging tasks in microscopy. Here we show how the size and aspect ratio that impart GNRs with their plasmonic properties also make them a source of entropy. We report on how depolarization can be exploited as a strategy to visualize GNR diffusion and distribution in biologically relevant scenarios ex vivo, in vitro and in vivo. We identify a deterministic relation between depolarization and nanoparticle concentration. As a result, some of the most stringent experimental conditions can be relaxed, and susceptibility to artefacts is reduced, enabling microscopic and macroscopic applications. PMID- 29201138 TI - Implementation and use of cloud-based electronic lab notebook in a bioprocess engineering teaching laboratory. AB - Background: Electronic lab notebooks (ELNs) are better equipped than paper lab notebooks (PLNs) to handle present-day life science and engineering experiments that generate large data sets and require high levels of data integrity. But limited training and a lack of workforce with ELN knowledge have restricted the use of ELN in academic and industry research laboratories which still rely on cumbersome PLNs for recordkeeping. We used LabArchives, a cloud-based ELN in our bioprocess engineering lab course to train students in electronic record keeping, good documentation practices (GDPs), and data integrity. Results: Implementation of ELN in the bioprocess engineering lab course, an analysis of user experiences, and our development actions to improve ELN training are presented here. ELN improved pedagogy and learning outcomes of the lab course through stream lined workflow, quick data recording and archiving, and enhanced data sharing and collaboration. It also enabled superior data integrity, simplified information exchange, and allowed real-time and remote monitoring of experiments. Several attributes related to positive user experiences of ELN improved between the two subsequent years in which ELN was offered. Student responses also indicate that ELN is better than PLN for compliance. Conclusions: We demonstrated that ELN can be successfully implemented in a lab course with significant benefits to pedagogy, GDP training, and data integrity. The methods and processes presented here for ELN implementation can be adapted to many types of laboratory experiments. PMID- 29201139 TI - Structural properties of starch-chitosan-gelatin foams and the impact of gelatin on MC3T3 mouse osteoblast cell viability. AB - Background: This study examines the effects of adding gelatin to a starch chitosan composite foam, focusing on the altered structural and biological properties. The compressive modulus of foams containing different gelatin concentrations was tested in dry, wet, and lyophilized states. MC3T3 mouse osteoblast cells were used to test the composite's ability to support cell growth. The stability of the foams in alpha-MEM culture media with and without cells was also examined. Results: It was found that for dry foams, the compressive modulus increased with increasing gelatin content. For foams tested in wet and lyophilized states, the compressive modulus peaked at a gelatin concentration of 2.5% and 5%, respectively. The growth of MC3T3 mouse osteoblast cells was tested on the foams with different gelatin concentrations. The addition of gelatin had a positive effect on the cell growth and proliferation. Conclusion: The composite foam containing gelatin improved cell growth and is only dissolved by the growing cells at a rate influenced by the initial concentration of gelatin added to the foam. PMID- 29201140 TI - Expression of the entire polyhydroxybutyrate operon of Ralstonia eutropha in plants. AB - Background: Previously we demonstrated that an entire bacterial operon (the PRN operon) is expressible in plants when driven by the Tomato -yellow-leaf-curl virus (TYLCV) -derived universal vector IL-60.Petroleum-derived plastics are not degradable, and are therefore harmful to the environment. Fermentation of bacteria carrying operons for polyhydroxyalkanoates (PHAs) produces degradable bioplastics which are environmentally friendly. However, bacterial production of bioplastics is not cost-effective, and attention is turning to their production in plants. Such "green" plastics would be less expensive and environmentally friendly. Hence, attempts are being made to substitute petroleum-derived plastics with "green" plastics. However, transformation of plants with genes of operons producing bioplastics has deleterious effects. Transformation of plastids does not cause deleterious effects, however it is a complicated procedures. Results: We have developed another TYLCV-based vector (SE100) and show that yet another bacterial operon (the phaCAB operon) when driven by SE100 is also expressed in plants. We employed the combination of SE100 and the phaCAB operon to drive the operon to the plastids and produce in plants a biodegradable plastic [polyhydroxybutyrate (PHB)].Here we indicate that the bacterial operon (phaCAB), when driven by the newly developed universal plant vector SE100 is directed to chloroplasts and produces in plants PHB, a leading PHA. The PHB-producing plants circumvent the need for complicated technical procedures. Conclusion: The viral vector system SE100 facilitated the production of the bio-plastic poly-3 hydroxybutyrate. This was achieved by using the full pha-CAB operon indicating that TYLCV based system can transcribe and translate genes from bacterial operons controlled by a single cis element. Our data hints to the participation of the chloroplasts in these processes. PMID- 29201141 TI - Valorization of pyrolysis water: a biorefinery side stream, for 1,2-propanediol production with engineered Corynebacterium glutamicum. AB - Background: A future bioeconomy relies on the efficient use of renewable resources for energy and material product supply. In this context, biorefineries have been developed and play a key role in converting lignocellulosic residues. Although a holistic use of the biomass feed is desired, side streams evoke in current biorefinery approaches. To ensure profitability, efficiency, and sustainability of the overall conversion process, a meaningful valorization of these materials is needed. Here, a so far unexploited side stream derived from fast pyrolysis of wheat straw-pyrolysis water-was used for production of 1,2 propanediol in microbial fermentation with engineered Corynebacterium glutamicum. Results: A protocol for pretreatment of pyrolysis water was established and enabled growth on its major constituents, acetate and acetol, with rates up to 0.36 +/- 0.04 h-1. To convert acetol to 1,2-propanediol, the plasmid pJULgldA expressing the glycerol dehydrogenase from Escherichia coli was introduced into C. glutamicum. 1,2-propanediol was formed in a growth-coupled biotransformation and production was further increased by construction of C. glutamicum Deltapqo DeltaaceE DeltaldhA Deltamdh pJULgldA. In a two-phase aerobic/microaerobic fed batch process with pyrolysis water as substrate, this strain produced 18.3 +/- 1.2 mM 1,2-propanediol with a yield of 0.96 +/- 0.05 mol 1,2-propanediol per mol acetol and showed an overall volumetric productivity of 1.4 +/- 0.1 mmol 1,2 propanediol L-1 h-1. Conclusions: This study implements microbial fermentation into a biorefinery based on pyrolytic liquefaction of lignocellulosic biomass and accesses a novel value chain by valorizing the side stream pyrolysis water for 1,2-PDO production with engineered C. glutamicum. The established bioprocess operated at maximal product yield and accomplished the so far highest overall volumetric productivity for microbial 1,2-PDO production with an engineered producer strain. Besides, the results highlight the potential of microbial conversion of this biorefinery side stream to other valuable products. PMID- 29201142 TI - A novel GH10 xylanase from Penicillium sp. accelerates saccharification of alkaline-pretreated bagasse by an enzyme from recombinant Trichoderma reesei expressing Aspergillus beta-glucosidase. AB - Background: Trichoderma reesei is considered a candidate fungal enzyme producer for the economic saccharification of cellulosic biomass. However, performance of the saccharifying enzymes produced by T. reesei is insufficient. Therefore, many attempts have been made to improve its performance by heterologous protein expression. In this study, to increase the conversion efficiency of alkaline pretreated bagasse to sugars, we conducted screening of biomass-degrading enzymes that showed synergistic effects with enzyme preparations produced by recombinant T. reesei. Results: Penicillium sp. strain KSM-F532 produced the most effective enzyme to promote the saccharification of alkaline-pretreated bagasse. Biomass degrading enzymes from strain KSM-F532 were fractionated and analyzed, and a xylanase, named PspXyn10, was identified. The amino acid sequence of PspXyn10 was determined by cDNA analysis: the enzyme shows a modular structure consisting of glycoside hydrolase family 10 (GH10) and carbohydrate-binding module family 1 (CBM1) domains. Purified PspXyn10 was prepared from the supernatant of a recombinant T. reesei strain. The molecular weight of PspXyn10 was estimated to be 55 kDa, and its optimal temperature and pH for xylanase activity were 75 degrees C and pH 4.5, respectively. More than 80% of the xylanase activity was maintained at 65 degrees C for 10 min. With beechwood xylan as the substrate, the enzyme had a Km of 2.2 mg/mL and a Vmax of 332 MUmol/min/mg. PspXyn10DeltaCBM, which lacked the CBM1 domain, was prepared by limited proteolysis. PspXyn10DeltaCBM showed increased activity against soluble xylan, but decreased saccharification efficiency of alkaline-pretreated bagasse. This result indicated that the CBM1 domain of PspXyn10 contributes to the enhancement of the saccharification efficiency of alkaline-pretreated bagasse. A recombinant T. reesei strain, named X2PX10, was constructed from strain X3AB1. X3AB1 is an Aspergillus aculeatus beta-glucosidase-expressing T. reesei PC-3-7. X2PX10 also expressed PspXyn10 under the control of the xyn2 promoter. An enzyme preparation from X2PX10 showed almost the same saccharification efficiency of alkaline pretreated bagasse at half the enzyme dosage as that used for an enzyme preparation from X3AB1. Conclusions: Our results suggest that PspXyn10 promotes the saccharification of alkaline-pretreated bagasse more efficiently than TrXyn3, a GH10 family xylanase from T. reesei, and that the PspXyn10-expressing strain is suitable for enzyme production for biomass saccharification. PMID- 29201143 TI - Transcriptomic profiling and genetic analyses reveal novel key regulators of cellulase and xylanase gene expression in Penicillium oxalicum. AB - Background: The transition to a more environmentally friendly economy has prompted studies of modern biorefineries, including the utilization of low-value lignocellulose. The major challenge facing the widespread application of biorefineries is the high cost of enzymes that can efficiently hydrolyze recalcitrant cellulose to sugars. Penicillium oxalicum produces large amounts of plant-cell-wall-degrading enzymes, but their production is tightly controlled by complex regulatory networks, resulting in low yields of the native enzymes. Regulatory genes have been the targets of genetic engineering to improve enzyme production in microorganisms. In this study, we used transcriptomic profiling and genetic analyses to screen for and identify novel key regulators of cellulase and xylanase gene expression in P. oxalicum. Results: A comparative analysis of the transcriptomes of P. oxalicum HP7-1 on different carbon sources, including glucose, wheat bran, and wheat bran plus Avicel, identified 40 candidate genes regulating the expression of cellulolytic enzyme genes. Deletion mutants of 31 candidate genes were constructed in P. oxalicum ?PoxKu70 and 11 resultant mutants showed significant changes in their filter-paper cellulase production compared with the parental strain ?PoxKu70. Among these 11 mutants, DeltaPoxCxrA, DeltaPoxCxrB, and DeltaPoxNsdD showed the most significant reduction in the enzyme production (96.8, 75.9, and 58.5%, respectively). Ten of these 11 genes are here reported to be involved in cellulase production for the first time. Further tests revealed that DeltaPoxCxrA, DeltaPoxCxrB, and DeltaPoxNsdD displayed significantly reduced xylanase production, whereas DeltaPoxCxrA produced negligible xylanase. Interestingly, DeltaPoxCxrB and DeltaPoxNsdD showed significantly increased beta-glucosidase production. Real-time quantitative reverse transcription-PCR and an electrophoretic mobility shift assay (EMSA) showed that PoxCxrA, PoxCxrB, and PoxNsdD regulate the expression of one another, but the mode of regulation changes dynamically during the growth of fungal cells in the presence of cellulose. EMSA showed that PoxCxrA, PoxCxrB, and PoxNsdD directly bind the putative promoters of major cellulase and xylanase genes. Conclusions: We have detected and identified three key new regulatory genes, PoxCxrA, PoxCxrB, and PoxNsdD, that directly and indirectly regulate the expression of cellulase and xylanase genes in P. oxalicum. This study provides novel insights into the regulatory mechanisms of fungal cellulase and xylanase gene expression. PMID- 29201144 TI - Length of stay, costs, and complications in lumbar disc herniation surgery by standard PLIF versus a new dynamic interspinous stabilization technique. AB - Background: The number of lumbar spine surgeries has been increasing during the last 20 years, which also leads to an increase in hospital costs and complications related to surgery. Therefore, there is a greater concern about the costs and safety of the techniques and implants used. Methods: Patients (aged from 18 to 50 years) presenting with lumbago /sciatica (ICD-10-CM M54.3, M54.4) due to lumbar disc herniation lasting more than 12 weeks, were included. Patients with disc herniation larger than size-2 or size-3 according to the MSU Classification were eligible for participation. Intervention was divided in two groups. In Group 1, patients underwent microdiscectomy and Interspinous Dynamic Stabilization System (IDSS). Meanwhile, in Group 2, patients received discectomy and posterior lumbar interbody fusion (PLIF). The primary outcome measure was the length of stay and costs during hospital admission. We also evaluated several other outcome parameters, including 90- day readmission rate, 90-day complication rate, and re-operations rate. The study was an observational prospective cohort study carried out from January 2015 to August 2016 in which two surgical techniques were compared. Our hypothesis was that a less aggressive procedure, such as discectomy and DSS, will decrease the length of stay and costs, and that it will also reduce the rate of complications with respect to PLIF. Results: A total of 67 patients (mean age 39.8 +/- 8.4 years) were included. Patients in the PLIF group had a length of stay increase of 109% (4.52 +/- 1.76 days vs 2.16 +/- 1.18 days p < 0.001) and an in-hospital cost increase of 71% (1821.97 +/- 460.41? vs. 1066.20 +/- 284.34? p < 0.001). The reduction of one day of stay is equivalent to a reduction of total in-hospital costs of 12.5%. Patients in the IDSS cohort had no significant differences regarding PLIF cohort in the 90-day readmission rate (12.9% vs 11.1% ? p > 0.999, respectively), 90-day re-operation rate (12.9% vs 11.1% ? p > 0.999) and 90-day complication rates (35.5% vs 52.8% ? p > 0.156). Dural tear and urinary tract infection rates were higher in the PLIF cohort (13.9% vs 3.2%. p = 0.205 and 11.1% vs 0% p = 0.118, respectively). Implant related complications were the most frequent in both IDSS and PLIF groups (32.3% vs 38.9% p = 0.572). Conclusions: Patients who underwent IDSS had a significant decrease of the length of stay and costs in relation to PLIF group. No significant differences were found in 90-day readmission and reintervention rates for both groups. Although differences were not significant, dural tear and urinary tract infection rates were lower in the interspinous group. IDSS or PLIF after discectomy, did not protect against subsequent 90-day re-operation or readmission compared to discectomy alone. PMID- 29201145 TI - OCDD: an obesity and co-morbid disease database. AB - Background: Obesity is a medical condition that is known for increased body mass index (BMI). It is also associated with chronic low level inflammation. Obesity disrupts the immune-metabolic homeostasis by changing the secretion of adipocytes. This affects the end-organs, and gives rise to several diseases including type 2 diabetes, asthma, non-alcoholic fatty liver diseases and cancers. These diseases are known as co-morbid diseases. Several studies have explored the underlying molecular mechanisms of developing obesity associated comorbid diseases. To understand the development and progression of diseases associated with obesity, we need a detailed scenario of gene interactions and the distribution of the responsible genes in human system. Results: Obesity and Co morbid Disease Database (OCDD) is designed for relating obesity and its co-morbid diseases using literature mining, and computational and systems biology approaches. OCDD is aimed to investigate the genes associated with comorbidity. Several existing databases have been used to extract molecular interactions and functional annotations of each gene. The degree of co-morbid associations has been measured and made available to the users. The database is available at http://www.isical.ac.in/~systemsbiology/OCDD/home.php. Conclusions: The main objective of the database is to derive the relations among the genes that are involved in both obesity and its co-morbid diseases. Functional annotation of common genes, gene interaction networks and key driver analyses have made the database a valuable and comprehensive resource for investigating the causal links between obesity and co-morbid diseases. PMID- 29201146 TI - Time to revise our dialogue: how flat is the paediatric flatfoot? AB - A recent systematic review of measures of foot development used the medial longitudinal arch profile as its primary indicator of development. A comparative analysis of existing studies was undertaken. This work confirmed changes with arch profile were age-dependent, although the age at which foot development ceased remains unknown. This work also highlighted the abundance of clinical measures used in existing research and outlined the challenges with drawing consensus from available data. There is a clear need to move this debate forward and, to do so, it is essential that scientific and clinical communities unite. It is time to abandon ill-defined measures of foot position, look beyond the medial longitudinal arch as a sole parameter of foot development and re-focus our perspective(s) on the paediatric foot in order to make advances with clinical practice and research. PMID- 29200941 TI - Measurements of the production cross section of a [Formula: see text] boson in association with jets in pp collisions at [Formula: see text] TeV with the ATLAS detector. AB - Measurements of the production cross section of a [Formula: see text] boson in association with jets in proton-proton collisions at [Formula: see text] TeV are presented, using data corresponding to an integrated luminosity of 3.16 fb[Formula: see text] collected by the ATLAS experiment at the CERN Large Hadron Collider in 2015. Inclusive and differential cross sections are measured for events containing a [Formula: see text] boson decaying to electrons or muons and produced in association with up to seven jets with [Formula: see text] GeV and [Formula: see text]. Predictions from different Monte Carlo generators based on leading-order and next-to-leading-order matrix elements for up to two additional partons interfaced with parton shower and fixed-order predictions at next-to leading order and next-to-next-to-leading order are compared with the measured cross sections. Good agreement within the uncertainties is observed for most of the modelled quantities, in particular with the generators which use next-to leading-order matrix elements and the more recent next-to-next-to-leading-order fixed-order predictions. PMID- 29201147 TI - Evidence for current recommendations concerning the management of foot health for people with chronic long-term conditions: a systematic review. AB - Background: Research focusing on management of foot health has become more evident over the past decade, especially related to chronic conditions such as diabetes. The level of methodological rigour across this body of work however is varied and outputs do not appear to have been developed or translated into clinical practice. The aim of this systematic review was to assess the latest guidelines, standards of care and current recommendations relative to people with chronic conditions to ascertain the level of supporting evidence concerning the management of foot health. Methods: A systematic search of electronic databases (Medline, Embase, Cinahl, Web of Science, SCOPUS and The Cochrane Library) for literature on recommendations for foot health management for people with chronic conditions was performed between 2000 and 2016 using predefined criteria. Data from the included publications was synthesised via template analysis, employing a thematic organisation and structure. The methodological quality of all included publications was appraised using the Appraisal for Research and Evaluation (AGREE II) instrument. A more in-depth analysis was carried out that specifically considered the levels of evidence that underpinned the strength of their recommendations concerning management of foot health. Results: The data collected revealed 166 publications in which the majority (102) were guidelines, standards of care or recommendations related to the treatment and management of diabetes. We noted a trend towards a systematic year on year increase in guidelines standards of care or recommendations related to the treatment and management of long term conditions other than diabetes over the past decade. The most common recommendation is for preventive care or assessments (e.g. vascular tests), followed by clinical interventions such as foot orthoses, foot ulcer care and foot health education. Methodological quality was spread across the range of AGREE II scores with 62 publications falling into the category of high quality (scores 6-7). The number of publications providing a recommendation in the context of a narrative but without an indication of the strength or quality of the underlying evidence was high (79 out of 166). Conclusions: It is clear that evidence needs to be accelerated and in place to support the future of the Podiatry workforce. Whilst high level evidence for podiatry is currently low in quantity, the methodological quality is growing. Where levels of evidence have been given in in high quality guidelines, standards of care or recommendations, they also tend to be strong-moderate quality such that further strategically prioritised research, if performed, is likely to have an important impact in the field. PMID- 29201149 TI - Complete genome sequence of the Vibrio vulnificus strain VV2014DJH, a human pathogenic bacterium isolated from a death case in China. AB - Background: Vibrio vulnificus, an opportunistic pathogen, is the causative agent of life-threatening septicemia and severe wound infections. However, the pathogenicity and virulence factors of V. vulnificus are not fully understood. Here we report the complete genome sequence of V. vulnificus VV2014DJH, which was isolated from a death case. Results: The genome of the V. vulnificus VV2014DJH contains two circular chromosomes with a mean G+C content of 46.8%, but does not consists of any plasmids. The chromosome I and chromosome II consist of 3,303,590 and 1,770,972 bp, respectively. In addition, the genome consists of 4617 protein coding genes, 172 RNA genes and type I, II and III secretion systems were predicted. Conclusions: In this study, the genomic information of the V. vulnificus VV2014DJH has been described. The information would contribute to the increasing scope and depth of Vibrio genome database, and provide insights into the pathogenicity and virulence factors of V. vulnificus. PMID- 29201148 TI - Whole genome sequencing-based detection of antimicrobial resistance and virulence in non-typhoidal Salmonella enterica isolated from wildlife. AB - The aim of this study was to generate a reference set of Salmonella enterica genomes isolated from wildlife from the United States and to determine the antimicrobial resistance and virulence gene profile of the isolates from the genome sequence data. We sequenced the whole genomes of 103 Salmonella isolates sampled between 1988 and 2003 from wildlife and exotic pet cases that were submitted to the Oklahoma Animal Disease Diagnostic Laboratory, Stillwater, Oklahoma. Among 103 isolates, 50.48% were from wild birds, 0.9% was from fish, 24.27% each were from reptiles and mammals. 50.48% isolates showed resistance to at least one antibiotic. Resistance against the aminoglycoside streptomycin was most common while 9 isolates were found to be multi-drug resistant having resistance against more than three antibiotics. Determination of virulence gene profile revealed that the genes belonging to csg operons, the fim genes that encode for type 1 fimbriae and the genes belonging to type III secretion system were predominant among the isolates. The universal presence of fimbrial genes and the genes encoded by pathogenicity islands 1-2 among the isolates we report here indicates that these isolates could potentially cause disease in humans. Therefore, the genomes we report here could be a valuable reference point for future traceback investigations when wildlife is considered to be the potential source of human Salmonellosis. PMID- 29201154 TI - Lymphatic system and gut microbiota affect immunopathology of neuroinflammatory diseases, including multiple sclerosis, neuromyelitis optica and Alzheimer's disease. AB - Microbial infections lead to neurological damages either by direct infection in the nervous tissues or by uncontrolled immune responses (immunopathology). For example, in Zika virus infection, microcephaly can be caused by the former, i.e., direct viral infection in the brain, while Guillain-Barre syndrome (GBS) seems to be antibody-mediated immunopathology. Although a variety of factors affect immunopathology, two essential systems maintaining whole-body homeostasis had long been neglected: 1) the lymphatic system and 2) microbiota. Only recently, the role of the lymphatic system in immunopathology is beginning to be clarified. During infection, increased lymphatic flow limits edema and prevent tissue dendritic cell retention, while lymphostasis can lead to chronic inflammation. The role of gut microbiota, particularly bacterial community, in immunopathology has also been clarified recently; "bad bacteria" are proposed to exacerbate any immunopathology. For example, Helicobacter pylori is associated with not only gastritis but also extra-intestinal diseases, including neuromyelitis optica (NMO) and Alzheimer's disease. However, H. pylori and another bad bacterium Clostridium perfringens type A have been proposed to be protective against multiple sclerosis (MS). The above discrepancy on the roles of microbiota can be attributed to several conflicting factors, such as oversimplification, methodology, and taxonomy, which are summarized as "10 pitfalls of microbiota studies." PMID- 29201151 TI - Complete genome sequences of Clostridium perfringens Del1 strain isolated from chickens affected by necrotic enteritis. AB - Background: Clostridium perfringens is ubiquitous in nature. It is a normal inhabitant in the intestinal tract of animals and humans. As the primary etiological agent of gas gangrene, necrosis and bacteremia, C. perfringens causes food poisoning, necrotic enteritis (NE), and even death. Epidemiology research has indicated that the increasing incidence of NE in poultry is associated with the withdrawal of in-feed antibiotic growth promoters in poultry production in response to government regulations. The recent omics studies have indicated that bacterial virulence is typically linked to highly efficient conjugative transfer of toxins, or plasmids carrying antibiotic-resistance traits. Currently, there is limited information on understanding of host-pathogen interaction in NE caused by virulent strains of C. perfringens. Elucidating such pathogenesis has practical impacts on fighting infectious diseases through adopting strategies of prophylactic or therapeutic interventions. In this report, we sequenced and analyzed the genome of C. perfringens Del1 strain using the hybrid of PacBio and Illumina sequencing technologies. Results: Sequence analysis indicated that Del1 strain comprised a single circular chromosome with a complete 3,559,163 bp and 4 plasmids: pDel1_1 (82,596 bp), pDel1_2 (69,827 bp), pDel1_3 (49,582 bp), and pDel1_4 (49,728 bp). The genome had 3361 predicted coding DNA sequences, harbored numerous genes for pathogenesis and virulence factors, including 6 for antibiotic and antimicrobial resistance, and 3 phage-encoded genes. Phylogenetic analysis revealed that Del1 strain had similar genome and plasmid sequences to the CP4 strain. Conclusion: Complete chromosomal and plasmid sequences of Del1 strain are presented in this report. Since Del1 was isolated from a field disease outbreak, this strain is a good source to identify virulent genes that cause many damaging effects of Clostridial infections in chicken gut. Genome sequencing of the chicken pathogenic isolates from commercial farms provides valuable insights into the molecular pathogenesis of C. perfringens as a gastrointestinal pathogen in food animals. The detailed information on gene sequencing of this important field strain will benefit the development of novel vaccines specific for C. perfringens induced NE in chickens. PMID- 29201150 TI - Differences in the gut microbiota of dogs (Canis lupus familiaris) fed a natural diet or a commercial feed revealed by the Illumina MiSeq platform. AB - Background: Recent advances in next-generation sequencing technologies have enabled comprehensive analysis of the gut microbiota, which is closely linked to the health of the host. Consequently, several studies have explored the factors affecting gut microbiota composition. In recent years, increasing number of dog owners are feeding their pets a natural diet i.e., one consisting of bones, raw meat (such as chicken and beef), and vegetables, instead of commercial feed. However, the effect of these diets on the microbiota of dogs (Canis lupus familiaris) is unclear. Methods and results: Six dogs fed a natural diet and five dogs fed a commercial feed were selected; dog fecal metagenomic DNA samples were analyzed using the Illumina MiSeq platform. Pronounced differences in alpha and beta diversities, and taxonomic composition of the core gut microbiota were observed between the two groups. According to alpha diversity, the number of operational taxonomic units, the richness estimates, and diversity indices of microbiota were significantly higher (p < 0.05) in the natural diet group than in the commercial feed group. Based on beta diversity, most samples clustered together according to the diet type (p = 0.004). Additionally, the core microbiota between the two groups was different at the phylum, family, and species levels. Marked differences in the taxonomic composition of the core microbiota of the two groups were observed at the species level; Clostridium perfringens (p = 0.017) and Fusobacterium varium (p = 0.030) were more abundant in the natural diet group. Conclusions: The gut microbiota of dogs is significantly influenced by diet type (i.e., natural diet and commercial feed). Specifically, dogs fed a natural diet have more diverse and abundant microbial composition in the gut microbiota than dogs fed a commercial feed. In addition, this study suggests that in dogs fed a natural diet, the potential risk of opportunistic infection could be higher, than in dogs fed a commercial feed. The type of diet might therefore play a key role in animal health by affecting the gut microbiota. This study could be the basis for future gut microbiota research in dogs. PMID- 29201152 TI - Myocardial injury in diabetic patients with multivessel coronary artery disease after revascularization interventions. AB - Background: Diabetic patients may be more susceptible to myocardial injury after coronary interventions. Thus, the aim of this study was to assess the release of cardiac biomarkers, CK-MB and troponin, and the findings of new late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) in patients with type 2 diabetes mellitus after elective revascularization procedures for multivessel coronary artery disease (CAD). Methods: Patients with multivessel CAD and preserved systolic ventricular function underwent either elective percutaneous coronary intervention (PCI), off-pump or on-pump bypass surgery (CABG). Troponin and CK-MB were systematically collected at baseline, 6, 12, 24, 36, 48 and 72 h after the procedures. CMR with LGE was performed before and after the interventions. Patients were stratified according to diabetes status at study entry. Biomarkers and CMR results were compared between diabetic and nondiabetics patients. Analyses of correlation were also performed among glycemic and glycated hemoglobin (A1c) levels and troponin and CK-MB peak levels. Patients were also stratified into tertiles of fasting glycemia and A1c levels and were compared in terms of periprocedural myocardial infarction (PMI) on CMR. Results: Ninety (44.5%) of the 202 patients had diabetes mellitus at study entry. After interventions, median peak troponin was 2.18 (0.47, 5.14) and 2.24 (0.69, 5.42) ng/mL (P = 0.81), and median peak CK-MB was 14.1 (6.8, 31.7) and 14.0 (4.2, 29.8) ng/mL (P = 0.43), in diabetic and nondiabetic patients, respectively. The release of troponin and CK-MB over time was statistically similar in both groups and in the three treatments, besides PCI. New LGE on CMR indicated that new myocardial fibrosis was present in 18.9 and 17.3% (P = 0.91), and myocardial edema in 15.5 and 22.9% (P = 0.39) in diabetic and nondiabetic patients, respectively. The incidence of PMI in the glycemia tertiles was 17.9% versus 19.3% versus 18.7% (P = 0.98), and in the A1c tertiles was 19.1% versus 13.3% versus 22.2% (P = 0.88). Conclusions: In this study, diabetes mellitus did not add risk of myocardial injury after revascularization interventions in patients with multivessel coronary artery disease. Trial Registration Name of Registry: Evaluation of cardiac biomarker elevation after percutaneous coronary intervention or coronary artery bypass graft; URL: http://www.controlled-trials.com.ISRCTN09454308. PMID- 29201153 TI - Poor glycaemic control is associated with reduced exercise performance and oxygen economy during cardio-pulmonary exercise testing in people with type 1 diabetes. AB - Background: To explore the impact of glycaemic control (HbA1c) on functional capacity during cardio-pulmonary exercise testing in people with type 1 diabetes. Methods: Sixty-four individuals with type 1 diabetes (age: 34 +/- 8 years; 13 females, HbA1c: 7.8 +/- 1% (62 +/- 13 mmol/mol), duration of diabetes: 17 +/- 9 years) performed a cardio-pulmonary cycle ergometer exercise test until volitional exhaustion. Stepwise linear regression was used to explore relationships between HbA1c and cardio-respiratory data with p <= 0.05. Furthermore, participants were divided into quartiles based on HbA1c levels and cardio-respiratory data were analysed by one-way ANOVA. Multiple regression analysis was performed to explore the relationships between changes in time to exhaustion and cardio-respiratory data. Data were adjusted for confounder. Results: HbA1c was related to time to exhaustion and oxygen consumption at the power output elicited at the sub-maximal threshold of the heart rate turn point (r = 0.47, R2 = 0.22, p = 0.03). Significant differences were found at time to exhaustion between QI vs. QIV and at oxygen consumption at the power output elicited at the heart rate turn point between QI vs. QII and QI vs. QIV (p < 0.05). Changes in oxygen uptake, power output and in oxygen consumption at the power output elicited at the heart rate turn point and at maximum power output explained 55% of the variance in time to exhaustion (r = 0.74, R2 = 0.55, p < 0.01). Conclusions: Poor glycaemic control is related to less economical use of oxygen at sub-maximal work rates and an earlier time to exhaustion during cardio pulmonary exercise testing. However, exercise training could have the same potential to counteract the influence of poor glycaemic control on functional capacity. Trial registration NCT01704417. Date of registration: October 11, 2012. PMID- 29201157 TI - Detection of the LINE-1 retrotransposon RNA-binding protein ORF1p in different anatomical regions of the human brain. AB - Background: Recent reports indicate that retrotransposons - a type of mobile DNA can contribute to neuronal genetic diversity in mammals. Retrotransposons are genetic elements that mobilize via an RNA intermediate by a "copy-and-paste" mechanism termed retrotransposition. Long Interspersed Element-1 (LINE-1 or L1) is the only active autonomous retrotransposon in humans and its activity is responsible for ~ 30% of genomic mass. Historically, L1 retrotransposition was thought to be restricted to the germline; however, new data indicate L1 s are active in somatic tissue with certain regions of the brain being highly permissive. The functional implications of L1 insertional activity in the brain and how host cells regulate it are incomplete. While deep sequencing and qPCR analysis have shown that L1 copy number is much higher in certain parts of the human brain, direct in vivo studies regarding detection of L1-encoded proteins is lacking due to ineffective reagents. Results: Using a polyclonal antibody we generated against the RNA-binding (RRM) domain of L1 ORF1p, we observe widespread ORF1p expression in post-mortem human brain samples including the hippocampus which has known elevated rates of retrotransposition. In addition, we find that two brains from different individuals of different ages display very different expression of ORF1p, especially in the frontal cortex. Conclusions: We hypothesize that discordance of ORF1p expression in parts of the brain reported to display elevated levels of retrotransposition may suggest the existence of factors mediating post-translational regulation of L1 activity in the human brain. Furthermore, this antibody reagent will be useful as a complementary means to confirm findings related to retrotransposon biology and activity in the brain and other tissues in vivo. PMID- 29201158 TI - Biomonitoring method for the analysis of chromium and cobalt in human whole blood using inductively coupled plasma - kinetic energy discrimination - mass spectrometry (ICP-KED-MS). AB - The Centers for Disease Control and Prevention developed a biomonitoring method to rapidly and accurately quantify chromium and cobalt in human whole blood by ICP-MS. Many metal-on-metal hip implants which contain significant amounts of chromium and cobalt are susceptible to metal degradation. This method is used to gather population data about chromium and cobalt exposure of the U.S. population that does not include people that have metal-on-metal hip implants so that reference value can be established for a baseline level in blood. We evaluated parameters such as; helium gas flow rate, choice and composition of the diluent solution for sample preparation, and sample rinse time to determine the optimal conditions for analysis. The limits of detection for chromium and cobalt in blood were determined to be 0.41 and 0.06 MUg/L, respectively. Method precision, accuracy, and recovery for this method were determined using quality control material created in-house and historical proficiency testing samples. We conducted experiments to determine if quantitative changes in the method parameters affect the results obtained by changing four parameters while analyzing human whole blood spiked with National Institute of Standard and Technology traceable materials: the dilution factor used during sample preparation, sample rinse time, diluent composition, and kinetic energy discrimination gas flow rate. The results at the increased and decreased levels for each parameter were statistically compared to the results obtained at the optimized parameters. We assessed the degree of reproducibility obtained under a variety of conditions and evaluated the method's robustness by analyzing the same set of proficiency testing samples by different analysts, on different instruments, with different reagents, and on different days. The short-term stability of chromium and cobalt in human blood samples stored at room temperature was monitored over a time period of 64 hours by diluting and analyzing samples at different time intervals. The stability of chromium and cobalt post-dilution was also evaluated over a period of 48 hours and at two storage temperatures (room temperature and refrigerated at 4 degrees C). The results obtained during the stability studies showed that chromium and cobalt are stable in human blood for a period of 64 hours. PMID- 29201155 TI - Critical issues and current challenges in osteoporosis and fracture prevention. An overview of unmet needs. AB - Osteoporosis is a silent disease with increasing prevalence due to the global ageing population. Decreased bone strength and bone quality is the hallmark of osteoporosis which leads to an increased risk of fragility fractures in elderly. It has been estimated that approximately ~50% of women will suffer during their lifetime from an osteoporotic fracture. This must be considered as a major health concern, as it has previously been established that fragility fracture has been associated with decreased quality of life due to increased disability, more frequent hospital admission and most importantly, osteoporotic fractures have been related to an augmented mortality risk. Anti-osteoporotic drugs are available for improving bone quality. Although there is access to these therapeutic options, there remain multiple unmet needs in the field of osteoporosis and fracture care, for example, the primary prevention of osteoporosis in young individuals (to reach a high peak bone mass), the optimization of the use of imaging techniques [dual-energy X-ray absorptiometry (DXA), vertebral fracture assessment (VFA) and new techniques measuring bone quality], the use of nonmedical treatment options and surgical techniques of fracture healing. In this review, we will discuss topics that play a role in the occurrence and prevention of fractures, and we give an overview of and insight into the critical issues and challenges around osteoporosis and fracture prevention. PMID- 29201156 TI - Evidence-based management of Raynaud's phenomenon. AB - Raynaud's phenomenon (RP) is relevant to the rheumatologist because it may signify an underlying connective tissue disease and also because it can be very challenging to treat, especially when it has progressed to digital ulceration or critical ischaemia. This review article discusses diagnosis (does this patient have an underlying connective tissue disease?), including the role for nailfold capillaroscopy, and treatment. Management of 'uncomplicated' RP is first described and then treatment of RP complicated by progression to digital ulceration or critical ischaemia, highlighting recent advances (including phosphodiesterase type 5 inhibition, and endothelin 1 receptor antagonism) and the evidence base underpinning these. Possible future therapies are briefly discussed. PMID- 29201159 TI - Cardiovascular risks in chronic kidney disease pediatric patients. AB - One of the common factors for the premature death in children is advanced chronic kidney disease (CKD). Most often cardiovascular disease (CVD) is the reason for mortality. The cardiovascular (CV) morbidity starts early in the disease process and renal transplanted children (CKD-T) are also at risk. The present review is focused on the current views of the cardiovascular risks during CKD in pediatric patients. Variable data sources for the latest literature collection were explored which mainly included PubMed and Google Scholar. The most important risk factors for subclinical CVD were a young age, elevated BMI and systolic blood pressure z-scores as well as a low GFR and present albuminuria. Increasing blood pressure and BMI over follow-up were also important cardiac risk factors longitudinally. The present review concludes that altered cardiac function and remodeling are a concurrent part of the CKD process, start early in the disease development, and persist after renal transplantation. The findings suggest that children with CKD or CKD-T are at high risk for future CVD where younger patients with elevated BMI and slightly increased blood pressures, as well as present albuminuria, are those at greatest risk, thus indicating targets for future interventions. PMID- 29201161 TI - Identification of key genes influenced by fixation stability in early fracture hematoma and elucidation of their roles in fracture healing. AB - The present study aimed to identify the key genes influenced by fixation stability in early fracture hematoma and to elucidate their roles in fracture healing. The GSE53256 gene expression profile, including six fracture hematoma tissues, was downloaded from the Gene Expression Omnibus database. The differentially expressed genes (DEGs) in the fracture hematoma tissues from old rats with rigid fixation compared with semi-rigid fixation were identified using the limma package. Furthermore, Gene Ontology (GO) enrichment analysis for DEGs was performed using BiNGO, and a protein-protein interaction (PPI) network was constructed based on the Search Tool for the Retrieval of Interacting Genes database. A total of 265 DEGs (158 upregulated and 107 downregulated) in the fracture hematoma tissues were screened out. Additionally, the overrepresented GO terms were mainly associated with the extracellular region, positive regulation of locomotion and response to external stimulus. Transforming growth factor, beta 1 (Tgfbeta1), chemokine (C-X-C motif) ligand 12 (Cxcl12), matrix metallopeptidase 9 (mmp9) and serpin peptidase inhibitor, clade E, member 1 (serpine1) had higher degrees and were hub nodes in the PPI network. In conclusion, fixation stability may influence the fracture healing process, and important DEGs, including Cxcl12, mmp9, Tgfbeta1 and serpine1, may be important in this process. PMID- 29201160 TI - EGFR and Cortactin: Markers for potential double target therapy in oral squamous cell carcinoma. AB - Survival periods of patients following surgical therapy of oral squamous cell carcinoma (OSCC) have previously been demonstrated to decrease over recent decades. Epidermal growth factor receptor (EGFR) and Cortactin are molecular markers that are important in tumour progression and development, and interact within the EGF pathway. Although EGFR antibody therapy exists, sufficient efforts for increased survival are still lacking due to the present limited response rates. The aim of the present study was to examine the association between EGFR and Cortactin expression on survival rates of OSCC patients and to determine whether EGFR and Cortactin expression levels are associated with advanced tumor sizes and lymphnode-metastases. In total, 222 OSCC patients were included in the study. EGFR and Cortactin expression in tumor tissue was evaluated by immunohistochemistry. Cox regression was used for survival analysis. Categories were tested for associations by using cross tabs (Chi-square test). Groups were compared by the non-parametric Mann Whitney U-test. Probabilities of less than 0.05 were considered significant and significant expression of Cortactin was observed in Advanced Union Internationale Contre le Cancer stage (P=0.032), including advanced tumour stage (P=0.021) and lymph node metastasis (P=0.049). High Cortactin expression was significantly associated with poorer survival rates (P=0.037). Further Cortactin expression was not associated with extracapsular spread, however EGFR exhibited a significant association (P=0.034). Neither EGFR nor Cortactin expression was correlated to grading. EGFR and Cortactin co expression was demonstrated to be significantly associated with poorer survival rates in OSCC patients, suggesting that identification of predictive biomarkers for adjuvant therapies are of primary concern in OSCC. In particular, efficient dual-target therapy may act as an appropriate therapy to improve survival time for patients at advanced OSCC tumor stages. PMID- 29201162 TI - Effect of tanshinone IIA on oxidative stress and apoptosis in a rat model of fatty liver. AB - Oxidative stress is a crucial factor associated with fatty liver disease, which raises the possibility of using antioxidants to improve liver steatosis. Tanshinone IIA (TSIIA) is a traditional Chinese medicine that has been reported to have antioxidant effects in vitro. The present study aimed to investigate whether TSIIA possesses antioxidant effects in vivo and whether TSIIA was able to improve liver steatosis. Hence, the ability of TSIIA to protect rats from liver disease was explored, particularly in regard to antioxidant activity. Rats were fed a high-lipid diet for 90 days, causing severe liver steatosis, both morphologically and biochemically. An increase in reactive oxygen species (ROS) in the liver was exhibited in addition to significantly elevated serum lipids and malondialdehyde (MDA). Furthermore, hepatocyte apoptosis was measured by Hoechst staining, reverse transcription-quantitative polymerase chain reaction and western blot analysis and an increase in hepatocyte apoptosis rate was indicated in mice on a high-fat diet. Following intraperitoneal injection of TSIIA (10 mg/kg/day), liver steatosis was significantly inhibited. In rats receiving TSIIA treatment, less ROS were indicated in the liver and significantly decreased levels of MDA (P<0.05) in serum were exhibited, whereas significantly increased activities of total superoxide dismutase (T-SOD) and glutathione peroxidase (GSH PX) were observed (P<0.05 and P<0.01, respectively). In addition, the rate of hepatocyte apoptosis was significantly decreased in the TSIIA group (P<0.01). However, TSIIA elicited no effect on serum lipid profiles. These results suggest that TSIIA attenuates oxidative stress by decreasing ROS and MDA production and enhancing the activity of T-SOD and GSH-PX, which may contribute to the inhibition of apoptosis and amelioration of liver steatosis. PMID- 29201164 TI - Electroacupuncture improves acute bowel injury recovery in rat models. AB - Electroacupuncture (EA) accelerates intestinal functional recovery in sepsis. The present study investigated ghrelin and ghrelin receptor (GSH-R) levels during EA in rats with acute bowel injury (ABI). Rats were grouped into four groups: Sham, ABI, ABI+EA and ABI+GHRA+EA (n=12 per group). ABI was induced by cecal ligation and puncture (CLP). EA on bilateral Zusanli acupoints was performed following CLP. GSH-R blocker (GHRA) was used following CLP but prior to EA for ABI+GHRA+EA rats. Rats were sacrificed 12 h following CLP. Serum ghrelin, tumor necrosis factor-alpha (TNF-alpha) and high mobility group box 1 (HMGB1) levels, as well as ghrelin and GSH-R protein expression, water content, pathological changes and myeloperoxidase (MPO) and diamine oxidase (DAO) activities in the bowel tissues, were measured. ABI rats, compared with the sham rats, had significantly lower levels of ghrelin and GSH-R in the serum and bowel tissue, and higher Chiu's score (all P<0.05). The ABI+EA rats, compared with the ABI rats, had significantly reduced serum TNF-alpha and HMGB1 levels, bowel water content, MPO activity and Chiu's score (all P<0.05), and significantly higher serum ghrelin (121.2+/-10.7 vs. 86.7+/-6.4 pg/ml), bowel ghrelin (0.12+/-0.02 vs. 0.08+/-0.01), GSH-R (0.05+/-0.04 vs. 0.03+/-0.01) and DAO activity (18.74+/-4.18 vs. 13.52+/ 2.33 U/ml; all P<0.05), indicating an improvement of the intestinal mucosal barrier. GHRA reversed the protective effects of EA. Therefore, EA improved ABI recovery by promoting ghrelin secretion and upregulating GSH-R expression. PMID- 29201163 TI - Protein-protein interaction analysis to identify biomarker networks for endometriosis. AB - The identification of biomarkers and their interaction network involved in the processes of endometriosis is a critical step in understanding the underlying mechanisms of the disease. The aim of the present study was to construct biomarker networks of endometriosis that integrated human protein-protein interactions and known disease-causing genes. Endometriosis-associated genes were extracted from Genotator and DisGeNet and biomarker network and pathway analyses were constructed using atBioNet. Of 100 input genes, 96 were strongly mapped to six major modules. The majority of the pathways in the first module were associated with the proliferation of cancer cells, the enriched pathways in module B were associated with the immune system and infectious diseases, module C included pathways related to immune and metastasis, the enriched pathways in module D were associated with inflammatory processes, and the majority of the pathways in module E were related to replication and repair. The present approach identified known and potential biomarkers in endometriosis. The identified biomarker networks are highly enriched in biological pathways associated with endometriosis, which may provide further insight into the molecular mechanisms underlying endometriosis. PMID- 29201165 TI - MgCl2 and ZnCl2 promote human umbilical vein endothelial cell migration and invasion and stimulate epithelial-mesenchymal transition via the Wnt/beta-catenin pathway. AB - Previous studies have demonstrated that magnesium and zinc ions promote the migration and epithelial-mesenchymal transition (EMT) of cancer/endothelial cells. However, the impact of MgCl2 and ZnCl2 on the migration, invasion and EMT of human umbilical vein endothelial cells (HUVECs) and the involved mechanisms remain unclear. In the present study, HUVECs were incubated with various doses of MgCl2 and ZnCl2. The optimum concentrations of MgCl2 and ZnCl2 were selected by MTT assay. The migration and invasion capabilities of HUVECs were analyzed by Transwell assays. Subsequently, the expression of matrix metalloproteinase (MMP) 2 and MMP-9 mRNA and protein were determined by reverse transcription quantitative polymerase chain reaction, western blotting and ELISA. MMP-2 and MMP 9 activities were measured by gelatin zymography. Immunofluorescence staining was performed to investigate cytoskeletal dynamics using Acti-stainTM 488 Fluorescent Phalloidin. Subsequently, the expression of EMT-related markers at the mRNA and protein levels and the activation of Wnt/beta-catenin signaling were analyzed. The results identified increases in MMP-2 and MMP-9 expression and activity, indicating that MgCl2 and ZnCl2 promoted HUVEC migration and invasion. In addition, MgCl2 and ZnCl2 treatment induced cytoskeleton remodeling and stimulated EMT via activation of the Wnt/beta-catenin signaling pathway, characterized by a decrease in E-cadherin and increases in N-cadherin, vimentin and Snail. These results suggest that MgCl2 and ZnCl2 may enhance the migration and invasion capabilities of HUVECs and promote EMT through the Wnt/beta-catenin pathway. PMID- 29201166 TI - Small interfering RNA against ERK1/2 attenuates cigarette smoke-induced pulmonary vascular remodeling. AB - Cigarette smoke may contribute to pulmonary vascular remodeling (PVR), a result of the proliferation of pulmonary artery smooth muscle cells (PASMCs), before pulmonary hypertension in chronic obstructive pulmonary disease (COPD). Activated extracellular signal-regulated kinases 1 and 2 (ERK1/2) are considered to be involved the process of PVR. This study investigated the potential role of ERK1/2 in the proliferation of rat PASMCs (rPASMCs) and cigarette smoke-induced PVR in rats. A small interfering RNA (siRNA) against ERK1/2 (ERK1/2-siRNA) was synthesized, and it significantly reduced the expression of ERK1/2 and cyclin E1, significantly increased the proportion of cells arrested at G0/G1 phase and significantly suppressed the proliferation of rPASMCs treated with cigarette smoke extract compared with controls (all P<0.05). In rats, ERK1/2-siRNA, which was administered intranasally, also inhibited the activation of ERK1/2 and the upregulation of cyclin E1, both of which were induced after the rats were exposed to cigarette smoke for 3 months. ERK1/2-siRNA also significantly reduced PVR (observed by vessel wall thickness and the proportion of fully muscularized vessels) in cigarette smoke-exposed rats compared with a negative control siRNA (P<0.05). Collectively, these data indicated that ERK1/2-siRNA could attenuate PVR in cigarette smoke-exposed rats, and it may have therapeutic value in the treatment of COPD. PMID- 29201168 TI - Long non-coding RNA linc-ITGB1 promotes cell proliferation and migration in human hepatocellular carcinoma cells. AB - Hepatocellular carcinoma (HCC) represents a major endpoint of chronic liver diseases and is the third leading cause of cancer-related mortality. Long intergenic non-coding RNA-integrin subunit beta1 ITGB1 (linc-ITGB1) is a novel long non-coding RNA, which is implicated in the development and progression of human tumors. However, its involvement in hepatocarcinogenesis remains to be elucidated. In the present study, the specific roles of linc-ITGB1 on cell proliferation and metastasis in HCC were investigated. It was initially observed that the expression of linc-ITGB1 was significantly elevated in 30 cases of clinical HCC tissues relative to their adjacent non-cancerous tissues. Expression of linc-ITGB1 was particularly elevated in the highly invasive cell line, HCCLM3. Knockdown of linc-ITGB1 in HCCLM3 cells using a specific short hairpin RNA decreased cell viability and colony formation in vitro. In addition, cell cycle analysis demonstrated that linc-ITGB1-depleted cells accumulated in the G0/G1 phase. HCCLM3 cells with linc-ITGB1 depletion exhibited significantly decreased migration and invasion abilities, when compared with control cells (P<0.05). These data suggest that linc-ITGB1 promotes HCC progression by inducing cell cycle arrest. Therefore, targeted therapy against linc-ITGB1 may be a novel strategy to treat HCC. PMID- 29201167 TI - CHAF1A, the largest subunit of the chromatin assembly factor 1 complex, regulates the growth of H1299 human non-small cell lung cancer cells by inducing G0/G1 cell cycle arrest. AB - Chromatin assembly factor 1 subunit A (CHAF1A) is the largest subunit of the chromatin assembly factor 1 (CAF-1) complex that is implicated in the assembly of nucleosomes on newly synthesized DNA. The aim of the present study was to determine its expression and biological function in non-small cell lung cancer (NSCLC). The current study examined the levels of CHAF1A expression in 22 samples of NSCLC and corresponding normal lung tissues. Subsequently, endogenous CHAF1A expression in H1299 NSCLC cells was knocked down via lentiviral delivery of CHAF1A-targeting short hairpin RNA (shRNA), and cell proliferation, colony formation and cell cycle distribution were measured. The results demonstrated that levels of CHAF1A mRNA level were ~3-fold greater in NSCLC samples compared with adjacent normal tissues (P<0.05). shRNA-mediated silencing of CHAF1A significantly inhibited the proliferation and colony formation of H1299 cells, compared wirh the delivery of control shRNA (P<0.05). Furthermore, CHAF1A shRNA transduced cells exhibited a significant increase in the percentage of S-phase cells and a significant decrease in the percentage of cells at the G0/G1 and G2/M phases, compared with control cells (P<0.05). Additionally, CHAF1A knockdown significantly decreased the expression of cyclin D1, cyclin-dependent kinase 2 and S-phase kinase-associated protein 2, and increased the expression of p21 and p27. This indicates that CHAF1A is upregulated in NSCLC and that its silencing suppresses the proliferation and colony formation of NSCLC cells, potentially by inducing G0/G1 cell cycle arrest. CHAF1A may therefore represent a potential therapeutic target to treat NSCLC. PMID- 29201169 TI - p63 inhibits CD44+/CD24- cell proliferation and chemoresistance in papillary thyroid carcinoma cells. AB - Thyroid cancer typically has a good prognosis; however, the risks of recurrence and chemoresistance associated with thyroid cancer remain a cause for concern. Papillary thyroid carcinoma (PTC) comprises 80% of all cases of thyroid carcinoma. A previous study reported that cluster of differentiation (CD) 44+/CD24- PTC cells may contribute to PTC recurrence and chemoresistance; however, the underlying molecular mechanisms remain elusive. In the present study, CD44+/CD24- cells were isolated from the TPC-1 PTC cell line and biological function assays revealed that CD44+/CD24- cells were significantly more proliferative and chemoresistant compared with CD44-/CD24- cells. Furthermore, the expression level of p63 was demonstrated to be negatively correlated with the expression of CD44 in PTC cells. The role of p63 in CD44+/CD24- cell proliferation and chemoresistance was investigated and, the ectopic expression of p63 was observed to significantly inhibit CD44+/CD24- cell proliferation and chemoresistance in vitro and in vivo. In conclusion, the present study indicated that CD44+/CD24- cells contribute to PTC proliferation and chemoresistance and that the suppression of p63 in CD44+/CD24- cells contributes to these effects. PMID- 29201170 TI - A network pharmacology approach to investigate the pharmacological effects of Guizhi Fuling Wan on uterine fibroids. AB - To investigate the pharmacological mechanism of Guizhi Fuling Wan (GFW) in the treatment of uterine fibroids, a network pharmacology approach was used. Information on GFW compounds was collected from traditional Chinese medicine (TCM) databases, and input into PharmMapper to identify the compound targets. Genes associated with uterine fibroids genes were then obtained from the GeneCards and Online Mendelian Inheritance in Man databases. The interaction data of the targets and other human proteins was also collected from the STRING and IntAct databases. The target data were input into the Database for Annotation, Visualization and Integrated Discovery for gene ontology (GO) and pathway enrichment analyses. Networks of the above information were constructed and analyzed using Cytoscape. The following networks were compiled: A compound compound target network of GFW; a herb-compound target-uterine fibroids target network of GWF; and a compound target-uterine fibroids target-other human proteins protein-protein interaction network, which were subjected to GO and pathway enrichment analyses. According to this approach, a number of novel signaling pathways and biological processes underlying the effects of GFW on uterine fibroids were identified, including the negative regulation of smooth muscle cell proliferation, apoptosis, and the Ras, wingless-type, epidermal growth factor and insulin-like growth factor-1 signaling pathways. This network pharmacology approach may aid the systematical study of herbal formulae and make TCM drug discovery more predictable. PMID- 29201171 TI - An integrated bioinformatical analysis of miR-19a target genes in multiple myeloma. AB - MicroRNA (miR)-19a, as an oncomiR, has been studied in several types of cancer; however, its role in the development and progression of multiple myeloma (MM) remains unclear. The present study used a bioinformatics approach to investigate the involvement of miR-19a in MM. miR-19a targets were predicted using target prediction programs, followed by screening for differentially expressed genes in MM. The function of these genes was then annotated using gene ontology term enrichment, signaling pathway enrichment and protein-protein interaction (PPI) analysis. In addition, natural language processing (NLP) was performed to identify genes associated with MM. A total of 715 putative targets of miR-19a were identified in the present study, of which 40 were experimentally validated. A total of 121 genes were identified to be differentially expressed in MM, including 80 upregulated genes and 41 downregulated genes. Among the differentially expressed genes, ras homolog family member B, clathrin heavy chain, prosaposin and protein phosphatase 6 regulatory subunit 2 were predicted target genes of miR-19a. The results of NLP revealed that 2 of the differentially expressed genes, Y-box binding protein 1 and TP53 regulated inhibitor of apoptosis 1, were reported to be associated with MM. In addition, 41 target genes of miR-19a were identified to be associated with the development and progression of MM. These results may aid in understanding the molecular mechanisms of miR-19a in the development and progression of MM. In addition, the results of the present study indicate that targets genes of miR-19a are potential candidate biomarkers for MM. PMID- 29201172 TI - Construction of a novel vector expressing Survivin-shRNA and fusion suicide gene yCDglyTK and its application in inhibiting proliferation and migration of colon cancer cells. AB - Despite progress achieved in cancer chemotherapy in recent decades, adverse effects remain a limiting factor for a number of patients with colorectal cancer, suggesting the requirement for novel therapeutic strategies. Gene therapy appears to be a promising strategy for treating cancer. The present study aimed to investigate the anti-tumor effect of a combined gene therapy, using Survivin downregulation by RNAi and a fusion suicide gene yCDglyTK therapy system. A triple-gene vector expressing Survivin-targeted small hairpin RNA (Survivin shRNA) and fusion suicide gene yCDglyTK was constructed, and administered to HCT116 cells. Survivin expression decreased significantly and yCDglyTK fusion gene expression was confirmed by both reverse transcription-quantitative polymerase chain reaction and western blot analysis. Introduction of Survivin shRNA into yCDglyTK/prodrug system eradicated colon cancer cells and induced apoptosis more effectively. Furthermore, this therapeutic system is able to inhibit the migration of HCT116 cells. These results indicate that the recombinant plasmid may serve as a novel gene therapy approach to treat colorectal carcinoma. PMID- 29201173 TI - Serological evaluation of antigen Tp0693 for diagnosis of syphilis. AB - The aim of the present study was to evaluate the diagnostic value of the Treponema pallidum (Tp) antigen Tp0693 for syphilis. ELISA was used to examine the serum levels of Tp0693. The sample-to-cutoff ratio (S/CO) value was used to generate a receiver operating characteristic (ROC) curve. A correlation analysis was performed to compare the detection efficacy of Tp0693-specific ELISA, Treponema pallidum Particle Agglutination (TPPA), Tolulized Red Unheated Serum test (TRUST) and LiZhuTM Tp-ELISA. The area under the ROC curve was 0.99, indicating good diagnostic efficacy. When the diagnostic specificity reached 100%, the diagnostic sensitivity was up to 93.5%. Tp0693-specific ELISA results were not correlated with those of TPPA, TRUST and LiZhuTM Tp-ELISA (correlation coefficient, 0.122, 0.114 and 0.025, respectively). The latent syphilis rate was highest (12%, 9/75) for all syphilis specimens with a S/CO in the grey area. In conclusion, for syphilis specimens with a S/CO in the grey area, TPPA should be used for further confirmation of the diagnosis. Tp0693 may be used as a diagnostic antigen for syphilis; however, further study regarding its potential use is required. PMID- 29201174 TI - Effects of activated carbon N-acetylcysteine sustained-release microcapsule on dipeptidyl peptidase IV expression in young rats with non-alcoholic fatty liver disease. AB - Non-alcoholic fatty liver disease (NAFLD) in children has become the most common liver disease influencing adolescent health and one of the most influencing chronic liver diseases among children in Chinese wealthy families, particularly in coastal regions. However, the medicine available for the treatment of NAFLD is deficient. In order to solve this problem, our team studied the activated carbon N-acetylcysteine (NAC) sustained-release microcapsule, which improves the oxidation resistance, bioavailability and drug stability of acetylcysteine and reduces toxic and side effects. In addition, it accords with the characteristics of medication in infants and children. The present study mainly discusses whether the activated carbon NAC sustained-release microcapsule has effects on dipeptidyl peptidase IV (DPPIV) activity and protein in young rats with NAFLD, and whether it has the effect of an DPPIV inhibitor, hoping to provide new thoughts and methods with respect of basic studies on young rats with NAFLD/non-alcoholic steatohepatitis. PMID- 29201175 TI - Anti-inflammatory effects of Fagopyrum cymosum administered as a potential drug for ulcerative colitis. AB - Fagopyrum cymosum (Trev.) Meisn (Fag), which belongs to the Polygonaceae family, has been widely used to treat inflammatory diseases. Previous studies have revealed that Fag components exhibit anti-inflammatory activities; however, their potential use in treating inflammatory bowel disease (IBD) has not been explored. In the present study, mice with 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced colitis were used as a model of IBD. Fag extract was orally administered for 3 days following the induction of colitis and the conventional drug, salicylazosulfapyridine (SASP), was used as a control. The results revealed that Fag significantly ameliorated TNBS-induced body weight loss and colonic shortening in mice (P<0.05). Furthermore, Fag suppressed levels of proinflammatory cytokines and reduced macrophage infiltration into colonic tissues (P<0.05). To further verify the anti-inflammatory effects of Fag at the molecular level, a murine macrophage cell line, Raw264.7, was used. Nuclear translocation of nuclear factor (NF)-kappaB p65 and the phosphorylation of inhibitor of NF-kappaB (IkappaB) were assessed using western blotting. The results demonstrated that Fag inhibited the production of proinflammatory cytokines via inhibiting NF-kappaB p65 nuclear translocation and IkappaB phosphorylation (P<0.05). Furthermore, the clinical study results revealed that Fag had significantly fewer side effects (P<0.05) and served as a better anti inflammatory drug for ulcerative colitis compared with SASP. PMID- 29201176 TI - In vivo and in vitro studies on the roles of p38 mitogen-activated protein kinase and NADPH-cytochrome P450 reductase in Alzheimer's disease. AB - Alzheimer's disease (AD) is a chronic neurodegenerative disease with an increasing morbidity rate. As one of the most important signaling pathways that responds to inflammation and degeneration, the p38 mitogen-activated protein kinase (MAPK) signaling pathway is active in the cortexes of AD mice. At the cellular level the same effect can be observed with p38 MAPK when induced by amyloid beta (Abeta)1-42, a 42-residue Abeta fragment. Inhibition of p38 MAPK in the present study protected SH-SY5Y cells from the toxicity of Abeta1-42, and alleviated the formation of senile plaques and cognitive impairment in AD mice. The expression of cytochrome P450 reductase (CPR) in the brains of mice with AD, in addition to Abeta1-42-treated SH-SY5Y cells, also increased. However, the inhibition of CPR did not protect SH-SY5Y cells from the toxicity of Abeta1-42. The results of the present study suggest that p38 MAPK is a potential therapeutic target for the treatment of AD. In addition, the main enzyme that metabolizes drugs, CPR, could serve a more complex role in AD. PMID- 29201177 TI - Diagnostic value of 64-slice spiral computed tomography imaging of the urinary tract during the excretory phase for urinary tract obstruction. AB - The present study aimed to assess the diagnostic value of 64-slice spiral computed tomography (CT) imaging of the urinary tract during the excretory phase for urinary tract obstruction. CT imaging of the urinary tract during the excretory phase was performed in 46 patients that had been diagnosed with urinary tract obstruction by B-mode ultrasound imaging or clinical manifestations. It was demonstrated that out of the 46 patients, 18 had pelvic and ureteral calculi, 12 cases had congenital malformations, 3 had ureteral stricture caused by urinary tract infection and 13 cases had malignant tumors of the urinary tract. The average X-ray dose planned for the standard CT scan of the urinary tract group 1 was 14.11+/-5.45 mSv, while the actual X-ray dose administered for the CT scan during the excretory phase group 2 was 9.01+/-4.56 mSv. The difference between the two groups was statistically significant (t=15.36; P<0.01). The results of the present study indicate that CT scanning of the urinary tract during the excretory phase has a high diagnostic value for urinary tract obstruction. PMID- 29201178 TI - Analgesic therapy improves arterial endothelial function following non cardiovascular surgery: A randomized, placebo-controlled trial. AB - Pain subsequent to non-cardiac surgery may affect the endothelial function, which in turn contributes to myocardial injury (MI). The present study examined whether effective pain control is able to improve the postoperative endothelial function. Patients (n=160) undergoing laparoscopic cholecystectomy were randomly assigned into two groups, treated with tramadol analgesic or saline (placebo) following surgery. On preoperative day 1 (baseline) and postoperatively at 2 h, 1 day and 5 days, pain was assessed on a visual analogue scale (VAS), and B-mode ultrasound was used to measure brachial endothelium-dependent flow-mediated dilation (FMD) and nitroglycerin-induced dilation. At 2 h postoperatively, the FMD in the two groups was significantly lower compared with that at the other three time points (P<=0.005), while VAS was significantly higher (P<0.05). Patients in the tramadol group presented significantly reduced VAS values in comparison with those in the placebo group at 2 h and 1 day postoperatively (P=0.013 and 0.031, respectively), as well as significantly higher FMD at 2 h (6.7+/-1.5 vs. 6.0+/-1.7%; P=0.001) and 1 day postoperatively (7.3+/-1.3 vs. 6.9+/-1.4%; P=0.03). A VAS score of <5 was independently associated with postoperative FMD of >=7 (odds ratio, 2.5; 95% confidence interval, 1.0-6.0; P=0.047). Backward multivariate linear regression also demonstrated that FMD was independently correlated with age and VAS score (B=-1.403, P=0.011; B=-0.579, P=0.003). The response to nitroglycerin-induced dilation remained stable in all patients at baseline and at all postoperative time points. In conclusion, analgesic treatment may improve the arterial endothelial function following non-cardiac surgery, which may help prevent postoperative MI. PMID- 29201179 TI - Gemcitabine treatment causes resistance and malignancy of pancreatic cancer stem like cells via induction of lncRNA HOTAIR. AB - Gemcitabine is the first-line chemotherapeutic agent for advanced adenocarcinoma of the pancreas, despite the high risk of chemoresistance as a major disadvantage. In the past few years, significant advances have been made in the field of pancreatic cancer stem-like cells (CSCs) and their critical roles in drug resistance, invasion and metastasis, which are tightly regulated by long non coding RNAs (lncRNAs). The present study demonstrated that HOX antisense intergenic RNA (HOTAIR) is not different between the pancreatic cancer cell line PANC-1 and its enriched CSC sub-population. However, after gemcitabine treatment, the expression levels of HOTAIR in CSCs were induced, but not in PANC-1 cells. HOTAIR induced by gemcitabine failed to cause chemoresistance, but promoted the clonogenicity, proliferation and migration of the cells. By introducing HOTAIR using lentivirus, chemoresistance was induced and the self-renewal capacity, proliferation and migration were significantly promoted. By contrast, HOTAIR knockdown in PANC-1 CSCs treated with or without gemcitabine decreased the cell proliferation, altered the cell cycle progression and induced apoptosis, demonstrating its critical roles in regulating the malignant character of PANC-1 CSCs. In conclusion, the present study demonstrated that HOTAIR may be induced by gemcitabine and acts as a tumor promoter by inhibiting the chemosensitivity, and promoting the self-renewal capacity, proliferation and migration of PANC-1 CSCs, which supports its potential application as a novel therapeutic approach for pancreatic cancer. PMID- 29201180 TI - Rapid visual detection of binary toxin producing Clostridium difficile by loop mediated isothermal amplification. AB - The binary toxin Clostridium difficile transferase (CDT) is frequently observed in C. difficile strains and is associated with an increased severity of C. difficile infection. CDT-producing C. difficile infections cause higher fatality rates than infections with CDT negative isolates. Thus, the rapid and accurate identification of a CDT positive C. difficile infection is critical for effective treatment. The present study demonstrates how loop-mediated isothermal amplification (LAMP) can be used to detect CDT-producing C. difficile based on visual observation. This is a low complexity, rapid molecular method that has the potential to be used within a point of care setting. The specificity and sensitivity of the primers in the LAMP reactions for CDT detection were determined using two different methods, a real-time turbidity monitor and visual detection after the addition of calcein to the reaction tube. The results revealed that target DNA was amplified and visualized by these two detection methods within 60 min at a temperature of 60 degrees C. The sensitivity of the LAMP assay was identified to be 10-fold greater than that of polymerase chain reaction analysis. When 25 alternative bacterial strains lacking CDT were tested, the results of the amplification were negative, confirming the specificity of the primers. In conclusion, the visual LAMP method established in the present study may be a rapid, reliable and cost-effective tool for detecting CDT-producing C. difficile strains at the point of care. PMID- 29200942 TI - Measurement of multi-particle azimuthal correlations in pp, p + Pb and low multiplicity Pb + Pb collisions with the ATLAS detector. AB - Multi-particle cumulants and corresponding Fourier harmonics are measured for azimuthal angle distributions of charged particles in [Formula: see text] collisions at [Formula: see text] = 5.02 and 13 TeV and in [Formula: see text] + Pb collisions at [Formula: see text] = 5.02 TeV, and compared to the results obtained for low-multiplicity [Formula: see text] collisions at [Formula: see text] = 2.76 TeV. These measurements aim to assess the collective nature of particle production. The measurements of multi-particle cumulants confirm the evidence for collective phenomena in [Formula: see text] + Pb and low multiplicity [Formula: see text] collisions. On the other hand, the [Formula: see text] results for four-particle cumulants do not demonstrate collective behaviour, indicating that they may be biased by contributions from non-flow correlations. A comparison of multi-particle cumulants and derived Fourier harmonics across different collision systems is presented as a function of the charged-particle multiplicity. For a given multiplicity, the measured Fourier harmonics are largest in [Formula: see text], smaller in [Formula: see text] + Pb and smallest in [Formula: see text] collisions. The [Formula: see text] results show no dependence on the collision energy, nor on the multiplicity. PMID- 29201181 TI - Long-term exposure to ethanol downregulates tight junction proteins through the protein kinase Calpha signaling pathway in human cerebral microvascular endothelial cells. AB - Brain microvascular endothelial cells (BMECs) are the primary component of the blood-brain barrier (BBB). Tight junction (TJ) proteins, including claudin, occludin and zonula occludens (ZO)-1, ZO-2 and ZO-3, maintain the structural integrity of BMECs. Ethanol activates the assembly and disassembly of TJs, which is a process that is regulated by protein kinase C (PKC). In addition, ethanol treatment leads to the loss of structural integrity, which damages the permeability of the BBB and subsequently affects central nervous system homeostasis, thus allowing additional substances to enter the brain. However, the mechanisms underlying ethanol-induced loss of BBB structure remain unknown. It has been hypothesized that long-term exposure to ethanol reduces the expression of claudin-5, occludin and ZO-1 via the PKC signaling pathway, thereby affecting BBB structural integrity. In the current study, the human cerebral microvascular endothelial cell line, HCMEC/D3, was treated with 50, 100, 200 and 400 mM ethanol for 24, 48 and 72 h. Cell viability was determined using an MTS assay. The expression of claudin-5, occludin and ZO-1 protein and mRNA was measured using western blot analysis and reverse transcription-quantitative polymerase chain reaction, respectively. Following the pretreatment of HCMEC/D3 cells with the PKCalpha-specific inhibitor, safingol (10 umol/l), the expression of claudin-5, occludin, ZO-1 and phosphorylated (p)-PKCalpha was measured using western blot analysis, and PKCalpha localization was determined by immunofluorescence. With increasing concentrations of ethanol, the expression of claudin-5, occludin and ZO-1 protein decreased, while the expression of claudin-5, occludin and ZO-1 mRNA increased. Exposure to ethanol significantly increased the expression of p PKCalpha, whereas no significant effect on the expression of PKCalpha was observed. Following 48 h treatment with 200 mM ethanol, the expression of claudin 5, occludin and ZO-1 protein was significantly decreased when compared with the control. By contrast, the expression of p-PKCalpha was increased, and increased translocation of PKCalpha from the cytoplasm to the nuclear membrane and nucleus was observed. In addition, the results demonstrated that safingol significantly reversed these effects of ethanol. In conclusion, long-term exposure to ethanol downregulates the expression of claudin-5, occludin and ZO-1 protein in HCMEC/D3 s, and this effect may be mediated via activation of PKCalpha. PMID- 29201182 TI - The efficacy of gastrodin in combination with folate and vitamin B12 on patients with epilepsy after stroke and its effect on HMGB-1, IL-2 and IL-6 serum levels. AB - This study evaluated the efficacy of gastrodin in combination with folate (FOL) and vitamin-B12 (V-B12) on patients with epilepsy after stroke (EAS) and its effect on high-mobility group protein B1 (HMGB-1), interleukin-1 (IL-1), and IL-6 serum levels. The clinical data of 92 EAS patients admitted for treatment between April, 2014 and March, 2016 were collected. These patients were randomly divided into control and observation groups (n=46 each) using computer software. Patients in the control group were administered only regular antiepileptic drugs, whereas observation group patients also received a combination of gastrodin, FOL and V B12. After treatment, we compared efficacy, frequency of epileptic seizure, and Montreal cognitive assessment (MoCA) scores. Serum homocysteine (HCY), FOL and V B12 levels were detected 3 months later. Enzyme-linked immunosorbent assay (ELISA) was used to detect changes in serum HMGB-1, IL-2 and IL-6 levels at one day before treatment and on the 7th, 21st, 30th and 90th days after treatment. Pearson's correlation coefficient was utilized to analyze the correlations of HMGB-1 with IL-2 and IL-6. The total treatment effectiveness rate was 95.65% in the observation group, which was significantly higher than the control group (73.91%, p<0.05). Epileptic seizure frequency and MoCA scores significantly improved in the observation group (p<0.05). Serum HCY levels were significantly lower, whereas FOL and V-B12 serum levels were significantly higher, at 3 months post-treatment start in the observation group relative to control group (p<0.05). After treatment, serum HMGB-1, IL-2 and IL-6 levels progressively decreased over time in both groups, but observation group levels were significantly lower than in control group (p<0.05). Pearson's correlation coefficient analysis showed that HMGB-1 levels were positively correlated with IL-2 and IL-6 levels. A combination of gastrodin, FOL and V-B12 for EAS can significantly improve inflammatory response symptoms, decrease HCY levels, and increase FOL and V-B12 levels in serum while effectively controlling epileptic seizures, thus exhibiting relatively better clinical efficacy. Therefore, this combination treatment is worthy of being promoted in clinical practice. PMID- 29201184 TI - The expression and significance of tyrosine hydroxylase in the brain tissue of Parkinsons disease rats. AB - The expression and significance of tyrosine hydroxylase (TH) in brain tissue of rats with Parkinson's disease (PD) were explored and analyzed. A total of 120 clean-grade and healthy adult Wistar rats weighing 180-240 g were randomly divided equally into four groups according to the random number table method. Rats were sacrificed before and after the model establishment for 3, 6 or 8 weeks. The number of revolutions in rats was observed and the relative expression of TH mRNA in brain tissue was measured. The relative expression of TH mRNA in left and right brain tissue of normal rats was respectively 1.039+/-0.112 and 0.956+/-0.120. There was no significant difference in the expression of TH mRNA in either side of the brain tissue (p>0.05). With the extension of modeling time, the success rate of model establishment was significantly improved (p<0.05). After the model establishment for 6 weeks, the success rate peaked and there was no significant difference with 8 weeks (p>0.05). The relative expression of TH mRNA in the right brain was 0.053+/-0.082, which was significantly lower than that in the left brain tissue with 1.056+/-0.094 (p<0.05). After 6 weeks, the relative expression of TH mRNA in the left and right brain of PD rats was respectively 1.004+/-0.034 and 0.316+/-0.012, the expression of TH mRNA in right brain tissue was also significantly lower than that in the left (p<0.05). Similarly, after 8 weeks of the model establishment, the relative expression of TH mRNA in the right brain was significantly lower than that in the left brain tissue, with 0.395+/-0.041 and 1.021+/-0.057 (p<0.05). Compared with the control group, the expression of TH mRNA in both sides of the brain tissue decreased, and the expression of TH mRNA in the injured brain tissue was significantly lower than that in normal rats (p<0.05). The expression of TH mRNA in brain tissue of PD rats was lower than that in normal brain tissue, which may be related to the occurrence and development of PD. PMID- 29201183 TI - Role of miR-124a in T cell activation and immunity in AIDS patients. AB - The role of microRNA-124a (miR-124a) in the regulation of T cell activation and immunity in patients with AIDS, was studied to provide new insights for the study, diagnosis, alleviation and treatment of AIDS. RT-qPCR technique was used to quantitatively analyze the expression of miR-124a in peripheral blood CD4+ T cells. Dual-luciferase reporter assay system was established to report possible regulatory relations between miR-124a and its potential target gene SIRT1. RT qPCR and western blot analysis were used to detect the expression level of mRNA and protein of the target genes in T cells. Normal CD4+ T cells from controls were transfected with miR-124a mimics and its negative control, and miR-124a inhibitor and its negative control were transfected into CD4+ T cells from patients with AIDS by T lymphocyte transfection kit to detect the relative expression level of SIRT1 mRNA and protein. The levels of interferon (IFN)-gamma, interleukin (IL)-10, transforming growth factor (TGF)-beta, IL-2, IL-4 and IL-6 secreted by T helper cells were detected by enzyme-linked immunosorbent assay (ELISA). miR-124a was upregulated in CD4+ T cells of patients with AIDS. The results of firefly luciferase activity detection showed that miR-124a can directly interact with target gene SIRT1 and negatively regulate its expression. miR-124a mimics/inhibitor transfection experiments showed that overexpression of miR-124a in normal CD4+ T cells significantly reduced SIRT1 expression compared with control group, and the expression of miR-124a was positively correlated with IL-10 and TGF-beta expression and negatively correlated with IFN-gamma expression, but showed no correlation with other cytokines. In AIDS patients, the inhibition of expression of miR-124a in CD4+ T cells significantly increased the expression of SIRT, at the same time, the expression levels of IL-10 and TGF-beta were significantly decreased, while the expression level of IFN-gamma was significantly increased and no significant difference was found in the expression of other cytokines. The expression of miR-124a in CD4+ T cells of AIDS patients was upregulated and the Th2 type CD4+ T cells are activated by SIRT1 expression inhibition, which in turn enhance the immunity of HIV-infected cells. Our study provides a new molecular target for the diagnosis, alleviation and treatment of AIDS. PMID- 29201187 TI - Shuyu capsules relieve liver-qi depression by regulating ERK-CREB-BDNF signal pathway in central nervous system of rat. AB - The purpose of this study was to investigate the possible therapeutic mechanism of Shuyu capsules in liver-qi depression. Liver-qi depression rats were prepared based on chronic unpredictable mild stress (CUMS) and delayed constraint. Rats were gavaged with Shuyu capsule, fluoxetine, Radix Bupleuri and Radix Paeoniae Alba to constrct rat models. Body weight test, sucrose preference test and open field test were applied to test rat models. Western blot analysis and quantitative real-time PCR was applied to determine the relative expression of extracellular signal-regulated protein kinase (ERK), cyclic AMP response element binding protein (CREB) and brain-derived neurotrophic factor (BDNF) in hippocampus and frontal lobe tissues. ELISA was used to detect the content of BDNF in serum. Body weight, sugar intake and total distance were significantly decreased in depression group compared with control. The four drugs significantly increased levels of these factors. Compared with control group, ERK, CREB and BDNF expression were significantly decreased in depression group in both hippocampus and frontal lobe tissues at both mRNA and protein level. Shuyu capsule and fluoxetine group showed a significant increase in the expression of ERK, CREB and BDNF at mRNA, p-ERK and p-BDNF at protein level. Compared with Radix Paeoniae Alba, Radix Bupleuri were better in the rescue of ERK, CREB and BDNF expression. In conclusion, the pathogenesis of liver-qi depression associated with lower expression of ERK, CREB and BDNF in hippocampus and frontal. Shuyu capsule and main constitution alleviated the depressive-like behaviors and reversed the disruptions of the p-ERK, p-CREB and BDNF in stressed rats. PMID- 29201192 TI - Daidzein ameliorates spinal cord ischemia/reperfusion injury-induced neurological function deficits in Sprague-Dawley rats through PI3K/Akt signaling pathway. AB - Daidzein (DZ) has a broad spectrum of biological activities, including antioxidant, anti-inflammatory and anticancer as well as cardio- and hepatoprotective properties. The present study was designed to elucidate the in depth mechanism underlying the neuroprotective efficacy of DZ against spinal cord ischemic/reperfusion injury (SCII) in a rat model by comparison with the standard neuroprotective agent methylprednisolone (MP). A total of 48 rats were divided into four groups of twelve rats in each (n=12). In sham-operated group (Control) group, rats received only saline (Fogarty catheter was inserted without balloon inflation), whereas rats in the SCII induction group (SCII) were subjected to SCII insult by insertion of a Fogarty balloon catheter, which was inflated in the descending thoracic aorta to cause an occlusion. A proportion of rats was treated with DZ (20 mg/kg; DZ+SCII group) or MP (50 mg/kg; MP+SCII group) for seven days prior to and after SCII. The locomotor function (neurological activity) and antioxidant levels (superoxide dismutase and catalase) levels were significantly improved upon treatment with DZ and MP in comparison with those in the SCII group. A concomitant decline in edema, inflammatory markers (myeloperoxidase, tumor necrosis factor-alpha and nuclear factor kappaB p65), the apoptotic marker caspase-3 and the number of cells with terminal deoxynucleotidyl transferase mediated dUTP nick-end labeling was also observed in the DZ and MP groups. The protein levels of phosphoinositide-3 kinase (PI3K), the phosphorylated Akt/Akt ratio and B-cell lymphoma 2 (Bcl-2) were substantially downregulated, while Bcl-2 associated X protein levels were upregulated SCII insult group, which was inhibited by treatment with DZ. To conclude, pre-treatment with DZ significantly improved the neurological function by upregulating PI3K/Akt signaling and thereby considerably attenuating the inflammatory response and apoptosis, thus maintaining the neuronal count in an SCII-induced rat model. PMID- 29201193 TI - Effect of different treatments and alcohol addiction on gut microbiota in minimal hepatic encephalopathy patients. AB - Minimal hepatic encephalopathy (MHE) is caused by dysbiosis of gut microbiota, particularly the ammonia-producing bacteria. Given the efficacy of certain treatments on MHE and the connection between alcoholism and MHE, a thorough understanding of how these strategies affect the gut microbiota in patients (alcoholic or non-alcoholic) will facilitate the assessment of their efficacy in the reshaping of gut microbiota. In the present study, a metagenomics approach was adopted to reveal alterations in gut microbiota of 14 MHE patients following treatment with rifaximin alone or rifaximin plus probiotics. Patients were grouped into the alcoholic and non-alcoholic groups to examine differences in terms of their response to treatment. Treatment reduced the overall microbiota diversity and decreased the abundance of certain ammonia-producing bacteria, such as Clostridium, with the treatment of rifaximin plus probiotics presenting a more apparent effect. Non-alcoholic MHE patients responded better to the treatment, as they presented greater reduction in microbiota diversity and a more consistent decline in certain ammonia-producing bacteria genera (such as Clostridium and Streptococcus) belonging to the Firmicutes phylum. In conclusion, treatment with rifaximin alone and rifaximin plus probiotics exhibited a different effect in different MHE patients, decreasing the overall gut microbiota diversity to various extents and reshaping microbiota in different ways. Furthermore, non alcoholic MHE patients responded better to treatment in microbiota alterations. PMID- 29201185 TI - Relationship of SOCS3 and TGF-beta with IDO expression in early pregnancy chorionic villi and decidua. AB - We aimed to investigate the expression of suppressors cytokine signaling (SOCS) 3, transforming growth factor (TGF)-beta and indoleamine 2,3-dioxygense (IDO) and to analyse the relationship of SOCS3 and TGF-beta with IDO expression in early pregnancy chorionic villi and decidua in the maternal-fetal interface. Western blot analysis and immunohistochemical method were used to detect the expression of TGF-beta, SOCS3 and IDO in chorionic villi and decidua tissues of normal pregnant women. SOCS3, TGF-beta and IDO protein was identified in chorionic villi and decidua tissues of normal pregnant women and there was a negative correlation between the expression of IDO and SOCS3, but TGF-beta expression was positively correlated with IDO expression. The levels of IDO expression in the decidua from normal pregnancies were significantly higher than those in chorionic villi, while the expression of SOCS3 was no significant difference between decidua and chorionic villi. In normal physiological state of pregnancy, SOCS3 and TGF-beta may be involved in the regulation of immune tolerance by positive or negative regulation of IDO expression at maternal fetal interface. PMID- 29201191 TI - Extended magnetic resonance imaging studies on the effect of classically activated microglia transplantation on white matter regeneration following spinal cord focal injury in adult rats. AB - Spinal cord injuries are still a serious problem for regenerative medicine. Previous research has demonstrated that activated microglia accumulate in spinal lesions, influencing the injured tissues in various ways. Therefore, transplantation of activated microglia may have a beneficial role in the regeneration of the nervous system. The present study examined the influence of transplanted activated microglial cells in adult rats with injured spinal cords. Rats were randomly divided into an experimental (M) and control (C) group, and were subjected to non-laminectomy focal injury of spinal cord white matter by means of a high-pressured air stream. In group M, activated cultured microglial cells were injected twice into the site of injury. Functional outcome and morphological features of regeneration were analyzed during a 12-week follow-up. The lesions were characterized by means of magnetic resonance imaging (MRI). Neurons in the brain stem and motor cortex were labeled with FluoroGold (FG). A total of 12 weeks after surgery, spinal cords and brains were collected and subjected to histopathological and immunohistochemical examinations. Lesion sizes in the spinal cord were measured and the number of FG-positive neurons was counted. Rats in group M demonstrated significant improvement of locomotor performance when compared with group C (P<0.05). MRI analysis demonstrated moderate improvement in water diffusion along the spinal cord in the group M following microglia treatment, as compared with group C. The water diffusion perpendicular to the spinal cord in group M was closer to the reference values for a healthy spinal cord than it was in group C. The sizes of lesions were also significantly smaller in group M than in the group C (P<0.05). The number of brain stem and motor cortex FG-positive neurons in group M was significantly higher than in group C. The present study demonstrated that delivery of activated microglia directly into the injured spinal cord gives some positive effects for the regeneration of the white matter. PMID- 29201186 TI - Topically administered rhGM-CSF affects PPARbeta expression in the stasis zone. AB - Using a rat comb thermal damage model, we investigated the effects of topically administered recombinant human granulocyte-macrophage colony-stimulating factor (rhGM-CSF) on peroxisome proliferator-activated receptor PPARbeta expression. We created bilateral comb scald models on the backs of fifty Sprague-Dawley rats. The left sides of the backs served as the experimental group and the right sides served as the control group. The experimental group received topically applied rhGM-CSF hydrogel and the control group did not. The survival situations of the stasis zones were compared between the experimental and control groups on the 1st, 3rd, 7th, 14th and 21st post-burn days. Tissues from the surviving stasis zones of both groups were collected at different time-points. Reverse transcriptase-polymerase chain reaction (RT-PCR) and western blotting were used to detect the PPARbeta mRNA and protein expression levels. Immunohistochemical methods were applied to detect the localization of PPARbeta protein expression. The results showed that, first, the tissue viability numbers for the stasis zones of the experimental group were significantly increased compared with those of the control group. Second, RT-PCR revealed that the PPARbeta mRNA expression first increased and then gradually declined in both groups. At all time-points, the expression level in the experimental group was increased compared with that in the control group and the highest expression levels were observed in both groups on the 3rd post-burn day. Third, western blot analysis revealed that the PPARbeta protein expression in both groups increased after thermal damage and then gradually decreased. PPARbeta protein expression in the experimental group was greater than that in the control group, and the highest expression quantities in both groups were observed on the 3rd post-burn day. In conclusion, rhGM-CSF hydrogel effectively promotes the expression of PPARbeta, and the hydrogel had a specific protective effect for the stasis zone. PMID- 29201188 TI - Simvastatin augments activation of liver regeneration through attenuating transforming growth factor-beta1 induced-apoptosis in obstructive jaundice rats. AB - Obstructive jaundice, owing to biliary obstruction, has been illustrated to trigger various biochemical, histological and immunological changes, leading to liver damage or even failure. The detailed molecular mechanism of simvastatin (Sim) involvement in liver regeneration during obstructive jaundice progression remains poorly elucidated. In the present study, an acute obstructive jaundice rat model was established by ligation and division of common bile duct, which was used to investigate the effects of Sim as a hepatoprotective treatment. Male Sprague-Dawley rats were randomly divided into four groups: Sham-operated, bile duct ligation (BDL) plus saline treatment [0.02 mg/kg/d, intraperitoneally (i.p.)], BDL plus low-dose Sim treatment (0.02 mg/kg, i.p.) and BDL plus high dose Sim treatment (0.2 mg/kg, i.p.). During this experiment, the BDL+normal saline (NS) group demonstrated increased levels of transforming growth factor beta1 (TGF-beta1) expression. Furthermore, Sim-treated animals demonstrated significantly downregulated TGF-beta1 expression and improved liver function vs. the BDL+NS group, indicating a TGF-beta1 antagonizing function. Additionally, Sim increased hepatocyte DNA synthesis in BDL rats compared to both the BDL+NS and Sham group. Apoptosis was increased in BDL+NS compared to the Sham group, and Sim markedly reduced hepatocyte apoptosis in the BDL group. Moreover, analysis of TGF beta1 signaling pathways demonstrated that there was an increased hepatic TGF beta1 and Smad3 expression in the BDL group, which was attenuated in the presence of Sim. In contrast to TGF-beta1, Sim induced the activity of the Smad7 (an inhibitor of TGF-beta1 signaling) mRNA and Smad7 protein expression. Sim displays hepatoprotective effects in liver cells via the upregulation of Smad7 expression and impaired TGF-beta signaling. Furthermore, the observations of the present study may provide evidence on the mechanism behind Sim blunting TGF-beta1 signaling, which is used to ameliorate the complication of liver damage and reduce the mortality rates associated with obstructive jaundice. PMID- 29201189 TI - miR-30c may serve a role in endometriosis by targeting plasminogen activator inhibitor-1. AB - The present study aimed to investigate the role of miR-30c in endometriosis (EMs) and the underlying mechanism. The expression of miR-30c and plasminogen activator inhibitor type 1 (PAI-1) mRNA in EMs tissues was detected by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and the expression of PAI-1 protein was detected by western blot analysis. The proliferation, migration, invasion and adhesion of endometrial stromal cells (ESCs) in different groups transfected with miR-30c mimic or inhibitor were compared. It was demonstrated that miR-30c expression in ectopic and eutopic endometriosis tissues were significantly lower than in normal endometrial tissue. However, PAI-1 mRNA expression in ectopic and eutopic endometrial tissues was higher than in normal endometrial tissues. Furthermore, the expression of PAI-1 protein was higher in ectopic and eutopic endometrosis tissues than in normal tissues. RT-qPCR results indicated that miR-30c expression was significantly increased or decreased in ESCs following transfection of mimic or inhibitor of miR-30c, respectively. Overexpression of miR-30c repressed the expression of PAI-1 mRNA and protein, while inhibition of miR-30c upregulated the expression of PAI-1 in ESCs. In addition, the invasion, migration, proliferation and adhesion of ESCs was repressed following the overexpression of miR-30c, whereas they were promoted when miR-30c expression was downregulated. The results of the present study indicated that miR-30c serves an important role in the development and progression of EMs by regulating the expression of PAI-1. PMID- 29201190 TI - Pigment epithelium-derived factor short peptides facilitate full-thickness cutaneous wound healing by promoting epithelial basal cell and hair follicle stem cell proliferation. AB - A previous study by our group showed that a 44-amino-acid fragment of pigment epithelium-derived factor (PEDF) facilitated corneal epithelial wound healing. In the present study this fragment was shortened to obtain peptides of 18, 20 and 29 amino acids in length, and their promoting effects on the healing of full thickness skin wounds were assessed. Peptides were delivered periodically by topical application to punch wounds of mice. The wound healing speed was evaluated by measuring the reduction of wound areas at 4 and 7 days after injury. Histological analysis with Masson's trichrome staining was used to confirm epithelialization and dermal collagen deposition. Proliferation of epithelial basal cells was documented by 5-bromo-2'-deoxyuridine incorporation. Hair follicle stem cells were identified by immunostaining for leucine-rich repeat containing G protein-coupled receptor 6. The results indicated that the 20- and 29-amino-acid short peptides significantly reduced the time required for wound healing compared to the vehicle. Histological analysis confirmed faster epithelial cell coverage of open wounds. Treatment with the PEDF peptide fragments also contributed to granulation, tissue formation by increasing the fibroblast population and enhancing collagen deposition in the dermis. Wounds treated with PEDF peptide fragments contained more basal cells proliferated in the epithelium. Moreover, hair follicle stem cells were also stimulated to proliferate by peptide exposure. In conclusion, the present study reported the identification of two short peptides that can enhance the healing of full thickness skin wounds following topical application. The underlying mechanisms may involve activation of basal cell proliferation and mobilization of hair follicle stem cells. PMID- 29201194 TI - Protective effect of zoledronic acid on articular cartilage and subchondral bone of rabbits with experimental knee osteoarthritis. AB - Subchondral bone reabsorption and remodeling are responsible for the initiation and progression of osteoarthritis (OA). Zoledronic acid (ZOL), a third-generation bisphosphonate (BIS), is an inhibitor of bone reabsorption. However, the intervention effect of ZOL on OA has not been fully characterized and remains to be directly demonstrated in animal experiments. The present study examined the microscopic and macroscopic changes in the anterior cruciate ligament transection (ACLT) model of OA in rabbits and evaluated the effects of ZOL on cartilage degeneration and subchondral bone loss. A total of 32 New Zealand white rabbits were randomly divided into four groups: High-, medium- and low-dose ZOL groups, which received an intravenous injection of 250, 50 and 10 ug/kg ZOL, respectively, after modeling, as well as an untreated group. The bone mineral density (BMD) of the knee joint was evaluated by dual-energy X-ray absorptiometry scanning immediately after modeling and at 4 and 8 weeks. At week 8, quantitative measurement of cartilage was performed by a specialized magnetic resonance imaging (MRI) technique, including three-dimensional fat-suppressed spoil gradient-recalled sequence and T2 mapping. The rabbits were sacrificed by air embolism after anesthesia and both knee joints were harvested and evaluated by general and histological observation. Toluidine blue and hematoxylin and eosin staining were used to assess histological changes in the articular cartilage. Quantitative analysis of cartilage histopathology was performed according to the Mankin scoring system. The BMD of ACLT joints dropped after modeling, which was effectively suppressed by ZOL at the high and medium dose but not the low dose. MRI scans demonstrated that in the untreated group, articular cartilages on ACLT knees were thinner than those on normal knees. The high dose of ZOL preserved the cartilage tissue thickness more efficiently than the medium and low doses. Observation of specimens and pathological slices revealed that the articular cartilage degeneration in the high-dose ZOL group was lightest, while that in the medium- and low-dose ZOL group was moderate, and the untreated group exhibited the most severe defect. The untreated group had the highest Mankin score, whereas the high-dose ZOL group had the lowest score. In conclusion, ZOL increased the subchondral bone density, improved the microstructure and reduced the degeneration of articular cartilage in OA according to morphological as well as quantitative observation. ZOL exerted significant chondroprotective effects in a dose-dependent manner. A favorable chondroprotective effect was induced at the dose of 250 ug/kg. ZOL may represent a novel promising drug to complement the treatment of OA. PMID- 29201195 TI - Anti-nociceptive effect of dexmedetomidine in a rat model of monoarthritis via suppression of the TLR4/NF-kappaB p65 pathway. AB - As a therapeutic target for neuropathic pain, the anti-nociceptive effects of alpha 2-adrenoceptors (alpha2AR) have attracted attention. Dexmedetomidine (DEX), a potent and highly selective alpha2AR agonist, has exhibited significant analgesic effects in neuropathic pain, but the underlying mechanism has remained elusive. The present study investigated the effect of DEX on Toll-like receptor (TLR)4 and nuclear factor (NF)-kappaB p65 expression, as well as the production of pro-inflammatory cytokines. The rat monoarthritis (MA) model was induced by intra-articular injection of complete Freund's adjuvant (CFA) at the ankle joint. After induction of MA, the rats were intrathecally treated with normal saline or DEX (2.5 ug) for 3 consecutive days. The concentration of interleukin-1beta and 6 as well as tumor necrosis factor-alpha was examined by ELISA. The expression levels of TLR4 and NF-kappaB p65 were determined by western blot analysis and immunohistochemistry. The results indicated that the pro-inflammatory cytokines TLR4 and NF-kappaB p65 were significantly upregulated in MA rats. DEX treatment markedly reduced mechanical and thermal hyperalgesia, suppressed MA-induced elevation of the pro-inflammatory cytokines and inhibited the TLR4/NF-kappaB p65 pathway, while these effects were blocked by pre-treatment with the selective alpha2AR antagonist BRL44408 (15 ug) at 30 min prior to CFA injection. These results suggested that DEX has an anti-nociceptive effect via suppressing the TLR4/NF-kappaB p65 pathway. PMID- 29201196 TI - Lycium barbarum polysaccharide protects against neurotoxicity via the Nrf2-HO-1 pathway. AB - The incidence of neurodegenerative diseases including Alzheimer's and Parkinson's disease has markedly increased over the past few decades. Oxidative stress is considered to be a common pathophysiological condition resulting in neurotoxicity. Lycium barbarum polysaccharide (LBP) is the major active component of Lycium barbarum L., which exhibit potent antioxidant activity. The current study investigated the neuroprotective effects of LBP in H2O2-treated PC12 cells in vitro and in CoCl2-treated rats in vivo. It was determined that LBP concentration-dependently reversed the H2O2-induced increase in reactive oxygen species (ROS) levels, decrease in cell viability, increase in TUNEL-stained cells, increase in caspase-3 and -9 activity and decrease in mitochondrial membrane potential, indicating the amelioration of mitochondrial apoptosis. Furthermore, LBP inhibited the H2O2-induced decrease in nuclear factor erythroid 2-related factor 2 (Nrf)2 and heme oxygenase (HO)-1 expression and binding of Nrf2 to the promoters of HO-1. Silencing of Nrf2 and inhibition of HO-1 by zinc protoporphyrin IX (ZnPP) reversed the protective effects of LBP against H2O2 resulted neurotoxicity in PC12 cells. In CoCl2-treated rats, it was demonstrated that LBP decreased brain tissue apoptosis, reduced the time spent by rats finding the platform site, decreased escape latencies and reduced the distance traveled to find the platform. In addition, LBP inhibited the CoCl2-induced decrease of Nrf2 and HO-1 expression. Administration of ZnPP also suppressed the protective effects of LBP against CoCl2-resulted neurotoxicity in rats. Thus, the current study indicated that LBP exhibits protective effects against neurotoxicity by upregulating Nrf2/HO-1 signaling. These data may increase understanding regarding the neuroprotective activities of LBP. PMID- 29201197 TI - Calcitonin gene-related peptide has protective effect on brain injury induced by heat stroke in rats. AB - Heat stroke often leads to multiple organ dysfunction syndrome (MODS) with a neurological morbidity of 30%. Current studies suggested that pathophysiological responses to heat stroke may be due to a systemic inflammatory response syndrome and a series of peptidergic nerve reactions. The mechanisms underlying the high neurological morbidity in heat stroke have remained largely elusive. In recent years, calcitonin gene-related peptide (CGRP) has been considered to have a positive role in central nervous system injury. The present study investigated the influence of CGRP on brain injury induced by heat stroke. A rat model of heat stroke was established in a pre-warmed artificial climate chamber with a temperature of 35.5+/-0.5 degrees C and a relative humidity of 60+/-5%. The rectal core temperature (Tc) was monitored. Heat stress was halted at a Tc of no more than 41 degrees C A bolus injection of CGRP was administered to each rat in the HS+CGRP group and a bolus injection of CGRP8-37 was administered to each rat in the HS+CGRP8-37 group after heat stress. After 2 h, electroencephalograms were recorded and the pathological morphology of brain tissue as well as brain cell apoptosis and caspase-3 protein levels in the brain were measured. The EEG of rats in the HS+CGRP group was characterized by a short- to long-term alpha-wave and low-voltage beta-waves as well as a large amount of intermittent delta- and theta-waves. Compared with the HS group, the theta-wave decreased and the alpha wave increased significantly (P<0.05). Slight pathological damage of nerve cells appeared in the HS+CGRP group. Greater damage was observed in HS+CGRP8-37 group with neural cell shrinkage, volume reduction, nuclear pyknosis, disappearance of part of the nuclear membrane and cell necrosis. In the HS+CGRP group, apoptotic cells and caspase-3 protein in the brain were significantly decreased when compared with those in the HS group (P<0.05), while they were significantly increased in the HS+CGRP8-37 group (P<0.05 vs. HS group). The results of the present study reflected that CGRP has a protective effect on early-stage brain injury induced by heat stroke in rats. PMID- 29201198 TI - Comparison of the effect of rosuvastatin versus rosuvastatin/ezetimibe on markers of inflammation in patients with acute myocardial infarction. AB - Statins lower low-density lipoprotein cholesterol (LDL-C) and high-sensitivity C reactive protein (hsCRP), and the addition of ezetimibe to statins further reduces LDL-C and hsCRP. Lipoprotein-associated phospholipase A2 (Lp-PLA2) is a potentially important pathogenic factor participating in the progression of atherosclerosis. The aim of current study was to investigate how the addition of ezetimibe to rosuvastatin treatment affects reductions in LDL-C, hsCRP and Lp PLA2 in patients with acute myocardial infarction (AMI). A total of 135 patients were enrolled in the study within 24 h of AMI, and were randomized to receive 10 mg rosuvastatin or 10 mg rosuvastatin plus 10 mg ezetimibe daily. HsCRP, Lp-PLA2, total cholesterol (TC), triglycerides (TG), LDL-C and high-density lipoprotein cholesterol (HDL-C) were determined at baseline and after 1, 3, 6 and 12 months of treatment. The addition of ezetimibe to rosuvastatin led to greater reduction of LDL-C compared with rosuvastatin monotherapy (from 3.00 to 1.19 mmol/l vs. 2.93 to 1.49 mmol/l, respectively; P<0.05), as well as reduced levels of hsCRP (from 5.15 to 0.68 mg/l vs. 4.33 to 1.49 mg/l, respectively; P<0.05) and Lp-PLA2 (from 333.13 to 79.07 mg/l vs. 327.95 to 123.62 mg/l, respectively; P<0.05). A positive association was identified between reductions of Lp-PLA2 and the changes of LDL-C (r=0.367; P=0.002). However, no significant correlation was observed between changes in Lp-PLA2 and hsCRP (r=0.264; P=0.512). The values of hsCRP and Lp-PLA2 appeared to increase during the first week after randomization, but dropped steeply to a lower level and remained stable thereafter. In conclusion, the addition of ezetimibe to rosuvastatin was demonstrated to further reduce LDL C, hsCRP and Lp-PLA2 compared with rosuvastatin monotherapy in patients with AMI. PMID- 29201199 TI - LYTAK1 attenuates proliferation of retinal pigment epithelial cells through TGF beta-mediated epithelial-mesenchymal transition via the ERK/AKT signaling pathway. AB - Retinal pigment epithelial (RPE) cells have crucial roles in the initiation and development of human ophthalmic diseases. Our previous study suggested that transforming growth factor-beta (TGF-beta)-activated kinase 1 (TAK1) is a potential target in the progression and pathogenesis of human proliferative vitreoretinopathy disease. The present study further analyzed the role of TAK1 inhibitor, LYTAK1, in human RPE cells and explored the potential molecular mechanism of LYTAK1-mediated proliferation of human RPE cells. Proliferation of human RPE cells was investigated following treatment with LYTAK1 and knockdown of TGF-beta. TGF-beta-mediated epithelial-mesenchymal transition (EMT) through regulation of the extracellular signal-regulated kinase (ERK)/protein kinase B (AKT) signaling pathway was also explored to analyze the LYTAK1-mediated mechanism of proliferation in human RPE cells. The present results demonstrated that LYTAK1 administration suppressed TAK1 gene and protein expression in human RPE cells. LYTAK1 administration also inhibited proliferation and migration of human RPE cells in vitro. Outcomes indicated that LYTAK1 treatment downregulated expression levels of TGF-beta1 and EMT markers, including cadherin, fibronectin and alpha-smooth muscle actin in human RPE cells. Notably, results demonstrated that the ERK/AKT signal pathway was blocked by LYTAK1 in human RPE cells. Knockdown of TGF-beta markedly inhibited phosphorylation and activity of TAK1 and suppressed the LYTAK1-mediated ERK/AKT signaling pathway in RPE cells, which further canceled inhibition of RPE cell proliferation by LYTAK1. In conclusion, these findings indicated that LYTAK1 may inhibit RPE cell proliferation through the TGF-beta-mediated EMT/ERK/AKT signaling pathway, suggesting that TAK1 may be a potential target for the treatment of RPE diseases. PMID- 29201200 TI - Effect of a stilbene glycoside-rich extract from Polygoni Multiflori Radix on experimental non-alcoholic fatty liver disease based on principal component and orthogonal partial least squares discriminant analysis. AB - Polygoni Multiflori Radix is a traditional Chinese medicine used clinically to support the functions of the liver and kidneys and to treatment hyperlipidemia. In previous studies, an effective fraction, rich in 2,3,5,4'-tetrahydroxy stilbene-2-O-beta-D-glucoside (TSG), was separated from Polygoni Multiflori Radix and demonstrated hypolipidemic activity. The present study aimed to systematically assess the effect of this fraction on non-alcoholic fatty liver disease (NAFLD). A NAFLD model was established by feeding Sprague-Dawley rats a high-fat diet with 10% fructose solution for 18 weeks. Hematoxylin and eosin staining was applied for hepatic histopathological analysis. In addition, enzyme activities, lipid metabolism, inflammatory factors and insulin resistance indices were measured using a fully automatic blood biochemistry analyser and ELISA. Furthermore, cytochrome P450 2E1 (CYP2E1) and peroxisome proliferator-activated receptor alpha (PPARalpha) mRNA and protein expression were evaluated using reverse transcription-quantitative polymerase chain reaction and western blot analysis. Principal component analysis and orthogonal partial least squares discriminant analysis were used to analyse the data. The results revealed that the TSG-rich fraction (TSGP) significantly lowered the serum total cholesterol and triglyceride levels, and the liver free fatty acid, CYP2E1 mRNA and malondialdehyde levels, in addition to mitigating hepatic enlargement and alleviating liver steatosis. Furthermore, it upregulated PPARalpha mRNA expression in the liver tissue. The results indicated that TSGP exhibited a protective effect against NAFLD and the underlying mechanism may involve augmentation of anti-lipid peroxidation capacity via regulation of PPARalpha and CYP2E1-mediated pathways. PMID- 29201201 TI - Spatial and temporal expression of Smad signaling members during the development of mandibular condylar cartilage. AB - The present study aimed to explore the underlying developmental mechanism of mothers against decapentaplegic homolog (Smad) signaling in the development of mandibular condylar cartilage. To achieve this, the expression levels of Smad2, 3, 4 and 7, and phosphorylated Smad2/3 were investigated at different time points in developing mandibular condylar cartilage. Mandibular condyles from C57BL/6J mice were dissected at the prenatal and postnatal stages. Serial sections were made and the distributions of Smad proteins were examined using immunohistochemical techniques intermittently between day 14.5 of gestation and postnatal day 7. All Smad proteins examined in the present study were expressed in the condylar blastema and during early chondrogenesis. At the postnatal stage, Smad2 and 4 were localized in proliferative and mineralized hypertrophic chondrocytes. Smad3 and 7 were expressed in proliferative and hypertrophic chondrocytes, including pre-hypertrophic and mineralized hypertrophic chondrocytes. Later, positive immunoreactivity of Smad3 reduced at postnatal day 7. A similar expression pattern to Smad3 was observed for p-Smad2/3, but p Smad2/3 was located in the nuclei of proliferative chondrocytes. These results suggest that Smad signaling members are involved in the development of mandibular condylar cartilage. In addition, the spatial and temporal expression of these Smads indicate that Smad signaling is involved in regulating the differentiation of chondrocytes and endochondral ossification, in order to maintain normal chondrogenesis and morphogenesis of mandibular condylar cartilage. PMID- 29201202 TI - Ginsenoside Rg3 induces ginsenoside Rb1-comparable cardioprotective effects independent of reducing blood pressure in spontaneously hypertensive rats. AB - Ginsenoside Rg3 (Rg3) is a rare type of ginsenoside used as an anti-tumor medicine in China. Ginsenoside Rb1 (Rb1), which exhibits protective effects on the cardiovascular system, is similar to Rg3 in chemical structure. In the present study, Rb1 and Rg3 were administered for 6 weeks to spontaneously hypertensive rats (SHR) and their cardioprotective effects were assessed. According to echocardiography and histopathological examinations, the decrease in cardiac function and ventricular remodeling that occurred in SHR rats were attenuated by Rb1 and Rg3. However, tail-cuff blood pressure measurements indicated that Rb1 and Rg3 did not reduce blood pressure in SHR rats. The cardioprotective effects of Rb1 and Rg3 occurred independently of blood pressure reduction. Furthermore, immunohistochemistry (IHC) revealed that renin angiotensin system (RAS) activity in the myocardium of SHR was significantly attenuated by Rb1 and Rg3, whereas ELISA identified no significant changes of RAS activity in the serum. The results of IHC and reverse transcription-quantitative polymerase chain reaction demonstrated that levels of transforming growth factor beta1, tumor necrosis factor-alpha, interleukin-6, interleukin-1 and endothelian 1 in the myocardium of SHR rats were reduced following Rb1 and Rg3 treatment. This may be due to the attenuation of RAS activity in the myocardium and the mechanisms of the cardioprotective effects of Rb1 and Rg3. PMID- 29201203 TI - Butanol extracts of Asparagus cochinchinensis fermented with Weissella cibaria inhibit iNOS-mediated COX-2 induction pathway and inflammatory cytokines in LPS stimulated RAW264.7 macrophage cells. AB - Roots of Asparagus cochinchinesis have been widely used to treat fever, cough, kidney disease, breast cancer, inflammatory and brain disease, although the effects of their fermented products have not been assessed until now. To investigate the anti-inflammatory effects on macrophages of a butanol extract from A. cochinchinensis roots fermented with Weissella cibaria (BAW), alterations in the inducible nitric oxide synthase (iNOS)-mediated cyclooxygenase-2 (COX-2) induction pathway and inflammatory cytokine expression were measured in lipopolysaccharide (LPS)-activated RAW264.7 cells following pretreatment with BAW. Briefly, W. cibaria was selected from two bacterial strains for the fermentation of A. cochinchinensis roots based on its hyaluronidase inhibition and NO suppression rates. Following fermentation with W. cibaria, the level of various key components including total phenols and protodioscin were significantly enhanced in BAW. In addition, BAW exhibited high free radical scavenging activity (IC50=31.62 ug/ml) and induced a decrease of intracellular ROS production in RAW264.7 cells following DCFH-DA staining. Significant suppressions in the expression level of important members of the iNOS-mediated COX-2 induction pathway and the phosphorylation of mitogen-activated protein kinase members were detected. The expressions of pro-inflammatory and anti inflammatory cytokines were recovered in BAW pretreated RAW264.7 cells. Overall, these results suggest that BAW may suppress inflammatory responses through differential regulation of the iNOS-mediated COX-2 induction pathway and inflammatory cytokine expressions in LPS-activated RAW264.7 cells. PMID- 29201204 TI - A rabbit model of implant-related osteomyelitis inoculated with biofilm after open femoral fracture. AB - Currently, animal models used in research on implant-associated osteomyelitis primarily use intramedullary fixation and initial inoculum of planktonic bacterial cells. However, these techniques have certain limitations, including lack of rotational stability and instable inoculation. To improve these models, the present study aimed to establish a novel rabbit model of implant-associated osteomyelitis using biofilm as the initial inoculum following plate fixation of the femoral fracture. A total of 24 New Zealand White rabbits were randomly divided into two equal groups. Osteotomy was performed at the right femoral shaft using a wire saw following fixation with a 5-hole stainless steel plate. The plates were not colonized with bacteria in group 1, but colonized with a biofilm of Staphylococcus aureus (American Type Culture Collection, 25923) in group 2. All the rabbits were sacrificed after 21 days for clinical, X-ray, micro-computed tomography and histological assessments of the severity of osteomyelitis. Scanning electron microscopy and confocal laser scanning microscopy were used for biofilm assessment. In group 2, pus formation, periosteal reaction, cortical destruction and absorption were observed in all the rabbits and biofilm formation was observed on all the plates. However, no pus formation was observed except for a slight inflammatory response and all the plates appeared clean without infection in group 1. The differences between the two groups were statistically significant regarding histologic scores and semi-quantification of the bacteria on the plates (P<0.001). In the present study, a novel rabbit model of infection following internal plate fixation of open fracture was successfully established, providing a novel tool for the study of implant-associated osteomyelitis. PMID- 29201205 TI - Bone engineering by cell sheet technology to repair mandibular defects. AB - Effectiveness of bone engineering by cell sheet technology to repair canine mandibular injuries was investigated. Cell sheets were produced from canine stem cells cultured by density gradient centrifugation and osteoblast induction. A scaffold surface of polylactic-co-glycolic acid (PLGA) copolymer was wrapped with cell sheets. Mandibular injuries were created in 12 healthy dogs followed by implantation of PLGA with (experimental group; n, 6) and without (control group; n, 6) cell sheets. The progression of the implants was examined at 3, 9, and 12 weeks postoperative. At postoperative 12 weeks, the graft mostly replaced the new bone in the experimental group, compact similar to normal bone was formed at lingual position and the broken end of the bone was normally healed. The bone mass in the control group was 2.5, which was significantly lower than the 4.5 in the experimental group. The optical density of the new bone in the experimental group was significantly higher than that in the control group. The experimental group had more haversian canal and red bone marrow and contained a larger number of lamellar bone than the control group. Overall, satisfactory bone engineering containing lamellar bone can be established by cell sheet technology, which is an ideal method to repair mandibular injuries. PMID- 29201206 TI - Combined treatment of diabetic nephropathy with alprostadil and calcium dobesilate. AB - This study investigated the effects of alprostadil combined with calcium dobesilate on the treatment of diabetic nephropathy. We recruited 80 patients with diabetic nephropathy, who were randomly divided into experimental (n=40) and control (n=40) groups. Patients received high-quality low-protein diabetic diet intervention and subcutaneous injection of insulin to adjust blood glucose, combined with antihypertensive, antiplatelet drugs, and other comprehensive treatments. The control group received alprostadil and the experimental group received alprostadil combined with calcium dobesilate. Both groups were treated for 12 weeks as one treatment cycle. The time to remission of clinical symptoms such as mental fatigue and weakness, limb edema, soreness and swelling of waist and knee, cold limbs and limb numbness and pain was significantly shorter in the experimental group than that in the control group (p<0.05). After intervention, the blood levels of small molecular weight proteins, such as beta2-microglobulin (beta2-MG), cystatin C (CysC), and retinol binding protein (RBP), were significantly lower in the experimental group than those in the control group (p<0.05). The levels of the inflammatory cytokines tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and C-reactive protein (CRP) were significantly lower in the experimental group than those in the control group (p<0.05). The levels of 25-hydroxyvitamin D and parathyroid hormone were significantly higher in the experimental group than those in the control group (p<0.05). The level of angiotensin II was lower in the experimental group than that in the control group (p<0.05) and the level of fasting serum insulin was significantly higher in the experimental group than that in the control group (p<0.05). The homeostasis model assessment of insulin resistance (HOMA-IR) index was lower in the experimental group than that in the control group (p<0.05). The levels of renal function indexes, blood urea nitrogen, creatinine and uric acid, in experimental group were lower than those in control group (p<0.05). The levels of brain derived neurotrophic factor (BDNF) and insulin-like growth factor-1 (IGF 1) were significantly higher in both groups after the intervention than those before the intervention (p<0.05). The levels of BDNF and IGF-1 were higher in the experimental group than that in control group after intervention (p<0.05). The application of alprostadil combined with calcium dobesilate in patients with diabetic nephropathy can effectively relieve clinical symptoms, improve renal functions, reduce blood levels small proteins, alleviate the inflammatory response, and regulate the levels of BDNF and IGF-1, thus improving the clinical treatment effect. PMID- 29201207 TI - Clinical significance of novel biomarker NGAL in early diagnosis of acute renal injury. AB - The present study investigated the clinical significance of the novel biomarker neutrophil gelatinase-associated lipocalin (NGAL) for the early diagnosis of acute renal injury (AKI). Thirty-eight critically ill patients with acute renal injury treated at Zhengzhou No. 7 People's Hospital between December 2015 and November 2016 served as the AKI group (observation group). At the same time, 38 critically ill patients without acute renal injury were also selected as the non AKI group (control group). Serum NGAL and creatinine (SCr) levels were measured by enzyme-linked immunosorbent assay (ELISA) at 2, 8, 12 and 24 h post-operation, whereas particle-enhanced turbidimetric immunoassay (PETIA) was used to quantify the levels of cysteine protease inhibitor cystatin C (CysC) in serum at 2, 8, 12 and 24 h post-operation. The correlations between indicators were also analyzed, with ROC curves used to evaluate the diagnostic values of NGAL, SCr and CysC in AKI. No significant differences in SCr levels were found between the two groups at different time-points after operation (P>0.05), but NGAL and CysC levels in the observation group were significantly higher than in the control group (P<0.05). Pearson correlation coefficient analysis showed NGAL and CysC were positively correlated with Scr levels. For NGAL in early diagnosis, the area under the AKI curve was 0.904, the sensitivity was 90.2% and the specificity was 89.5%; for CysC in early diagnosis, the area under the AKI curve was 0.806, the sensitivity was 79.2% and the specificity was 78.5%; for SCr in early diagnosis, the area under the AKI curve was 0.634, the sensitivity was 64.2% and the specificity was 62.5%. Therefore, NGAL demonstrated a satisfactory early predictive value for AKI and can be used as a biomarker for early AKI diagnosis. PMID- 29201208 TI - The content of hydrogen sulfide in plasma of cirrhosis rats combined with portal hypertension and the correlation with indexes of liver function and liver fibrosis. AB - The purpose of this study is to investigate the content of hydrogen sulfide (H2S) in plasma of cirrhosis rats combined with portal hypertension and the correlation with indexes of liver function and liver fibrosis. Thirty female Sprague-Dawley rats were randomly divided into normal control group (NC), liver cirrhosis group (LC) and cirrhosis + propargylglycine (PPG) group (LC+PPG). Cirrhosis and portal hypertension were induced by carbon tetrachloride. Rats in LC+PPG group were intraperitoneally injected with H2S synthase inhibitor PPG for one week. Portal vein catheterization was used to measure portal vein pressure (PVP), and plasma H2S content was determined by deproteinization. Liver function was measured by automatic biochemical analyzer, and the fibrosis index was determined by radioimmunoassay. Real-time PCR was used to detect the expression levels of type I and type III collagen mRNA in liver tissue. Compared with NC group, levels of plasma H2S were significantly decreased (P<0.01), while PVP, alanine aminotransferase (ALT), aspartate aminotransferase (AST), laminin (LN), hyaluronic acid (HA), and expression levels of type III procollagen (PC III) and type I and type III collagen mRNAs were significantly increased in LC and LC+PPG groups (P<0.01). Compared with LC group, levels of plasma H2S were significantly decreased (P<0.01), while PVP, ALT, AST, LN, HA, and expression levels of PC III and type I and type III collagen mRNAs in LC+PPG group (P<0.05 or P<0.01). In conclusion, level of H2S was decreased and PVP was increased in cirrhosis rats, and H2S has the function of protecting liver function and anti-fibrosis. PMID- 29201209 TI - Correlation of the expression of miR-146a in peripheral blood mononuclear cells of patients with ankylosing spondylitis and inflammatory factors. AB - We investigated the expression of miR-146a in peripheral blood mononuclear cell (PBMC) of patients with ankylosing spondylitis (AS) and its correlation with inflammatory factors to explore the clinical significance. In total 45 patients with AS were selected at the Weifang People's Hospital from June, 2014 to January, 2016. At the same time, 30 healthy volunteers were also selected to serve as control group. Expression level of miR-146a in PBMC cells of patients in each group was detected by quantitative real-time-polymerase chain reaction (qRT PCR). Levels of tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL 1beta) and IL-6 in serum and the supernatant of culture medium of PBMC derived from each group were detected by enzyme-linked immunosorbent assay (ELISA). Correlations between expression level of miR-146a and serum inflammatory factors, and clinical indicators were analyzed. Clinical indicators included bath ankylosing spondylitis disease activity index (BASDAI), C-reactive protein (CRP), erythrocyte sedimentation rate (ESR) and duration of morning stiffness. Expression level of miR-146a in PBMC of AS patients was significantly higher than that of healthy control (P<0.01); levels of TNF-alpha, IL-1beta and IL-6 in serum and the supernatant of culture medium of PBMC derived from AS patients were significant compared to those of control group (P<0.01); expression of miR-146a in PBMC of patients with AS was positively correlated with the levels of TNF alpha, IL-1beta and IL-6 in serum (r=0.632, P<0.01; r=0.574, P<0.01; r=0.483, P<0.01). In addition, expression level of miR-146a in PBMC of patients with AS was positively correlated with BASDAI, ESR, CRP and duration of morning stiffness (r=0.551, P<0.01; r=0.738, P<0.01; r=0.685, P<0.01; r=0.497, P<0.01). Expression level of miR-146a in PBMC of AS patients was significantly increased and the expression level was positively correlated with the levels of TNF-alpha, IL-1beta and IL-6 in serum (P<0.05). In addition, expression level of miR-146a in PBMC of AS patients was also positively correlated with BASDAI, ESR, CRP and duration of morning stiffness. Those results suggest that miR-146a may be involved in the pathogenesis of AS, and the expression level of miR-146a in PBMC cells may be helpful for diagnosis of AS and judgment of disease activity. PMID- 29201210 TI - Protective effects of resveratrol on osteoporosis via activation of the SIRT1-NF kappaB signaling pathway in rats. AB - The aim of the present study was to determine the protective effects of resveratrol on a rat model of osteoporosis and examine the associated mechanisms of its action. Rats were randomized into the following groups: Control, osteoporosis, osteoporosis + low-dose resveratrol, osteoporosis + middle-dose resveratrol and osteoporosis + high-dose resveratrol groups. Resveratrol treatment was administered 7 days after surgery for 8 weeks. ELISA assay was used to analyze alkaline phosphatase (ALP) and osteocalcin (OC) protein levels. Western blotting was performed to assess the protein expression of sirtuin 1 (SIRT1), nuclear factor (NF)-kappaB and NF-kappaB inhibitor (IkB) alpha. In the present study, the results indicated that resveratrol markedly improved the bone mineral density value, femoral porosity and bone mechanical tests in osteoporosis rats. Administration of resveratrol significantly decreased the serum levels of ALP and OC in rats with osteoporosis. Finally, treatment with resveratrol significantly promoted the protein expression of SIRT1, suppressed NF-kappaB and activated the IkBalpha protein expression in rats with osteoporosis. In conclusion, treatment with resveratrol significantly improved the final body weight of the osteoporosis rats via the SIRT1-NF-kappaB signaling pathway. The present study suggested that resveratrol exerted a protective effect on osteoporosis through activation of the SIRT1-NF-kappaB signaling pathway in rats. PMID- 29201211 TI - Effects of freshwater clam extract on fracture induced inflammation at early stage. AB - The inflammatory process after traumatic fracture and soft tissue injury includes release of inflammatory cytokines and activated polymorph nuclear cells (PMN) that can cause subsequent affected limbs delayed healing and vital organ complications. Analgesics have good effect on relief of the symptom but may cause further burden for hepatic and renal metabolism. Freshwater clam extract (FCE) has been demonstrated to suppress the release of the pro-inflammatory cytokine tumor necrosis factor-alpha production after hemorrhagic shock, and decrease the level of liver injury marker in rats. The aim of the present study was to determine whether FCE is able to affect the inflammation induced by unilateral tibial fracture in a rat model. The rats were randomly divided into control, fracture, FCE and fracture with FCE groups. The fracture group received left tibia and fibula shaft fractures using a consistent three point bending method. For the fracture with FCE group, FCE (40 mg/kg) was administered orally after fracture. Their physiological changes were continuously monitored for 48 h. Blood samples were extracted from the femoral arterial catheter at 1, 3, 6, 9, 12, 18, 24 and 48 h after fracture. In comparison with fracture group, those whom were fed with FCE had more stable heart rate frequency, lower central temperature at the initial h, and lower serum level of the proinflammatory cytokines and muscle damage markers induced by fracture. FCE was also associated with decreased recruitment of inflammatory cells in the adjacent soft tissue. Thus, the present results suggest that FCE could decrease fracture induced inflammation reaction and have beneficial regulatory effect on post inflammatory response. PMID- 29201212 TI - Anti-aging effect of fullerenol on skin aging through derived stem cells in a mouse model. AB - Fullerenol is similar to graphite in terms of structure. In the present study, the anti-aging effect of fullerenol on skin through derived stem cells in a mouse model was assessed and the potential mechanism of fullerenol was investigated. The anti-aging effect of fullerenol effectively inhibited the retention rate of transplanted adipose-derived stem cells and increased the thickness of the dermal portion of skin and collagen ratio in mice. The effect of fullerenol on the proliferation of stem cells was observed. Treatment with fullerenol effectively promoted the mRNA expression of Runt-related transcription factor 2, alkaline phosphatase and osteocalcin in a mouse model of skin aging induced by D galactose. However, fullerenol treatment effectively suppressed the protein expression of peroxisome proliferator-activated receptor-gamma (PPAR-gamma) and increased forkhead box protein O1 (FoxO1) protein expression in the mice model of skin aging induced by D-galactose. These results demonstrate that the anti-aging effect of fullerenol on skin through derived stem cells may be mediated in mice via the PPAR-gamma/FoxO1 signaling pathway. PMID- 29201213 TI - Protective role of tenuigenin on sepsis-induced acute kidney injury in mice. AB - Acute kidney injury (AKI) is a severe complication of sepsis, which largely contributes to the associated high mortality rate. Tenuigenin (TNG) is a natural product isolated from Polygala tenuifolia root, which possesses anti-inflammatory and anti-oxidant properties. The present study investigated the effects of TNG on sepsis-associated AKI in mice subjected to cecal ligation and puncture (CLP). TNG was demonstrated to alleviate sepsis-induced AKI by reducing pathological changes and significantly decreasing the levels of blood urea nitrogen, serum creatinine and kidney coefficient. The production of inflammatory cytokines, including tumor necrosis factor alpha and interleukin-6, was markedly inhibited by TNG. Hematoxylin-eosin staining revealed that the morphological changes of kidney tissues in CLP mice were reversed following TNG treatment. Furthermore, treatment with TNG inhibited the production of nitric oxide and prostaglandin E2. Finally, TNG inhibited the activation of the nuclear factor-kappaB (NF-kappaB) signaling pathway. The present study suggested that TNG alleviates sepsis-induced AKI by inhibiting the NF-kappaB signaling pathway, which provides a novel approach for treating sepsis-induced AKI. PMID- 29201214 TI - Sirt1 regulates apoptosis and extracellular matrix degradation in resveratrol treated osteoarthritis chondrocytes via the Wnt/beta-catenin signaling pathways. AB - Osteoarthritis (OA) has become a major public health problem with the increased aging population. Previous studies have demonstrated that resveratrol (RES) was able to increase the level of sirtuin 1 (Sirt1) in OA chondrocytes. However, further investigations are required to elucidate the precise molecular mechanism of RES and the potential link between Sirt1 and RES. Therefore, the present study used 30 clinical OA chondrocyte to examine chondrocyte viability, apoptosis rate and the mRNA and protein expression levels of Sirt1 and relevant genes implicated in apoptosis, extracellular matrix (ECM) degradation and Wnt/beta-catenin signaling pathway. RES and nicotinamide were used as the stimulus and inhibitor, respectively. The results demonstrated that the apoptotic rate reduced as the cell population decreased from 13.83 to 6.55% in response to 10 uM RES. Expression levels of B-cell lymphoma 2 (Bcl-2) associated X protein (Bax), procaspase-3 and -9, matrix metalloproteinase 1 (MMP1), MMP3, MMP13, Wnt3a, Wnt5a, Wnt7a and beta-catenin were significantly inhibited (P<0.01), whereas the level of Bcl-2 was significantly increased (P<0.01) in OA chondrocytes treated with 10 uM RES. These observations suggested that Sirt1 may regulate apoptosis and ECM degradation in RES-treated osteoarthritis chondrocytes via the Wnt/beta catenin signaling pathway. PMID- 29201215 TI - Contrast-enhanced computerized tomography combined with a targeted nanoparticle contrast agent for screening for early-phase non-small cell lung cancer. AB - Non-small cell lung cancer (NSCLC) is a major cause of morbidity and mortality, and patients with NSCLC are frequently diagnosed at an advanced stage. This is primarily due to a lack of advanced and sensitive protocols for the detection of early stage NSCLC. Therefore, methods for the accurate diagnosis of early stage NSCLC are urgently required to improve survival rates. The present study investigated the use of contrast-enhanced computerized tomography (CECT) combined with a targeted nanoparticle contrast agent (TNCA) to diagnose early-stage NSCLC in a mice xenograft model. The TNCA used was lenvatinib, a multi-target tyrosine kinase inhibitor that inhibits vascular endothelial growth factor receptor 1-3, fibroblast growth factor receptor 1-4, platelet-derived growth factor receptor beta, proto-oncogene tyrosine-protein kinase receptor Ret and mast/stem cell growth factor receptor Kit. Xenograft NSCLC mice were established and used to analyze the efficacy of CECT-TNCA compared with CT scanning alone. The TNCA was inhaled with the use of an atomizer. The results demonstrated that CECT-TNCA improved the sensitivity of the diagnosis of early stage NSCLC. In addition, imaging using the TNCA enabled the visualization of nodules in the lung in mice with early stage NSCLC. In addition, lung nodule signal enhancement was increased in CECT-TNCA compared with CT, suggesting a high accurate accumulation of the TNCA in tumor nodules. Mice diagnosed with early stage NSCLC exhibited a higher eradication rate of NSCLC after treatment with cisplatin compared with mice with advanced stage NSCLC. These data indicate that the sensitivity and accuracy of CT imaging for the diagnosis of early stage NSCLC was improved through combination with the liposome-encapsulated TNCA. PMID- 29201216 TI - Role of microRNA-26a in the diagnosis of lower extremity deep vein thrombosis in patients with bone trauma. AB - The present study aimed to investigate the role and mechanism of action of microRNA (miR)-26a in deep vein thrombosis (DVT). Peripheral blood was collected from 45 patients with DVT and 40 healthy controls. Levels of miR-26a, chemokine C C motif ligand (CCL)2 mRNA and CCL7 mRNA were detected using reverse transcription-quantitative polymerase chain reaction and the value of miR-26a in the clinical diagnosis of DVT was assessed using receiver operating characteristic curve analysis. The correlation of miR-26a with CCL2 and CCL7 levels was analyzed using Spearman's rank correlation. In addition, miR-26a and protein kinase C delta (PRKCD) were overexpressed in human umbilical vein endothelial cells (HUVECs) and PRKCD expression was knocked down by small interfering (si)RNA. Western blotting was conducted to detect the expression of PRKCD and p65. Furthermore, a dual-luciferase reporter gene assay was performed. The results of the current study demonstrated that the expression of miR-26a was significantly downregulated in the peripheral blood of patients with DVT compared with healthy controls (P<0.05) and negatively correlated with CCL2 and CCL7 levels (P<0.05). Furthermore, it was demonstrated that miR-26a markedly inhibited the expression of PRKCD, significantly decreased levels of CCL2 and CCL7 mRNA (P<0.05) and inhibited activation of the NF-kappaB signaling pathway. Overexpression of PRKCD in HUVECs inhibited the effects of miR-26a and markedly upregulated the phosphorylation of p65. The present study indicated that miR-26a directly targets PRKCD mRNA and that miR-26a may be a useful biomarker in the clinical diagnosis of DVT. Thus, the present findings suggest that miR-26a regulates the NF-kappaB signaling pathway by binding to PRKCD mRNA, inhibits the expression of CCL2 and CCL7 and reduces the risk of DVT. PMID- 29201217 TI - Curcumin inhibits the development of non-small cell lung cancer by inhibiting autophagy and apoptosis. AB - Among patients with primary lung cancer, 75-80% present with non-small cell lung cancer (NSCLC). However, there is a lack of studies into the potential preventive effects of curcumin against the activation of autophagy in NSCLC. Therefore, the present study primarily focused on the protective role of curcumin in NSCLC. It was demonstrated that curcumin decreased the viability of the human lung cancer cells lines, A549 and H1299, in a time-and dose-dependent manner (P<0.05). Treatment with curcumin also suppressed the colony formation capacities of A549 and H1299 cells. Following incubation with 10 uM curcumin for 48 h, cell apoptosis was significantly increased by 2.35- and 3.02-fold in A549 and H1299 cells, respectively, when compared with controls (P<0.01). Furthermore, curcumin treatment markedly increased the number and volume of autophagosomes in A549 and H1299 cells when compared with controls. Treatment with 10 uM curcumin for 48 h also significantly reduced the phosphorylation levels of mechanistic target of rapamycin (mTOR), ribosomal protein S6, phosphoinositide 3-kinase and AKT (protein kinase B) in A549 and H1299 cells (P<0.05). These data indicated that curcumin enhanced autophagy and apoptosis in NSCLC cells by acting as an mTOR complex1/2 inhibitor. PMID- 29201218 TI - SVP-B5 peptide from Buthus martensii Karsch scorpion venom exerts hyperproliferative effects on irradiated hematopoietic cells. AB - Previous studies have demonstrated the radioprotective efficacy of scorpion venom peptide, fraction II (SVPII) from the venom of Buthus martensii Karsch. In the present study, the SVP-B5 polypeptide, which is one of the active components of SVPII, was purified using a two-step chromatographic process. SVP-B5 significantly promoted the proliferation of irradiated M-NFS-60 mouse-derived myelocytic leukemia cells. In addition, SVP-B5 effectively and persistently promoted hematopoietic recovery and expansion of hematopoietic cells after irradiation as demonstrated by cobblestone area forming cell and long-term bone marrow culture assays. Treatment of M-NFS-60 cells with SVP-B5 upregulated the expression of interleukin 3 receptor and activated the Janus kinase-2/signal transducer and activator of transcription 5 signaling pathway. In conclusion, the present study demonstrated that SVP-B5 has growth factor-like properties and may be used as a therapeutic modality in the recovery of severe myelosuppression, which is a common side effect of radiotherapy. PMID- 29201219 TI - Blockade of 146b-5p promotes inflammation in atherosclerosis-associated foam cell formation by targeting TRAF6. AB - Atherosclerosis (AS) is a chronic inflammation in response to lipid accumulation. Increasing evidence has demonstrated that numerous microRNAs (miRs) have critical roles in inflammatory responses. A previous study suggested that miR-146b-5p is possibly associated with AS; however, its exact role has remained largely elusive. The present study aimed to investigate the potential role of miR-146b-5p in AS and to explore the underlying mechanism. Fist, the levels of miR-146b-5p were determined in foam cells and clinical specimens from patients with AS by reverse-transcription quantitative PCR. The role of miR-146b-5p in AS was then investigated by using miR-146b-5p inhibitor. The results demonstrated that the expression levels of miR-146b-5p were elevated in the lesions of patients with AS. In addition, the levels of miR-146b-5p in THP-1 cells stimulated with phorbol 12-myristate 13-acetate (100 nM) to induce their differentiation into macrophages were dose- and time-dependently elevated by oxidized low-density lipoprotein treatment applied for inducing foam cell formation. miR-146b-5p was also revealed to directly target tumor necrosis factor receptor-associated factor 6 (TRAF6), which functions as a signal transducer in the nuclear factor-kappaB (NF-kappaB) pathway. Furthermore, the present study reported for the first time that miR-146b 5p inhibition promotes the inflammatory response and enhances lipid uptake during foam cell formation. In conclusion, miR-146b-5p inhibition promoted chronic inflammation and had a detrimental role during AS-associated foam cell formation by targeting TRAF6. PMID- 29201220 TI - Rigid laryngoscope manifestations of 61 cases of modern laryngeal tuberculosis. AB - The present study investigated the clinical characteristics and diagnosis of modern laryngeal tuberculosis (TB). A total of 61 patients that were pathologically diagnosed with laryngeal TB between 1998 and 2012 were retrospectively analyzed using laryngoscopy methods. The primary symptoms of laryngeal TB observed in the present study include hoarseness and sore throat, and in the majority of cases, laryngeal TB was not associated with pulmonary TB (ratio 41/61, 67.2%). Systemic symptoms included low-grade fever and night sweats, which were rarely observed (20/61, 32.8%). Laryngoscopy results were summarized into 3 types: Edema type (24 cases), proliferation type (34 cases) and ulcer exudation type (3 cases). The positive rate of purified protein derivative (PPD) examination was 86.9%, which was 63.9% for sputum bacterium analysis. Pathological analysis indicated that there were a large number of phagocytes and giant cell reactions, stroma hyperplasia of epithelioid cells, and the Langhans cells constituted of granuloma and necrotic tissue, with caseous necrosis as a typical manifestation. Modern laryngeal TB is characterized by severe local symptoms like hoarseness and sore throat and mild systemic symptoms like fever and night sweat, and the diagnosis is based on patient history, laryngoscopy analysis, and PPD and sputum bacteria examinations used in combination. However, pathological biopsies and acid-fast bacilli examinations are required for the final diagnosis. PMID- 29201221 TI - Leptin upregulates COX-2 and its downstream products in aortic endothelial cells. AB - The adipocyte-derived hormone leptin is associated with hypertension. The involvement of cyclooxygenase-2 (COX-2) and its downstream vasomotor products prostaglandin (PG) and thromboxane (TX)A2 in the mechanisms of action of leptin have remained elusive. The aim of the present study was to investigate the effects of leptin on the expression of COX-2 by rat aortic endothelial cells (RAECs) and the concentration of its products, represented by 6-keto PGF1alpha and TXB2, in the culture media. RAECs were isolated, cultured and identified by immunofluorescence staining. The RAECs were incubated with different concentrations of leptin (10-10, 10-9 and 10-8 M) for various durations (36 or 48 h). COX-2 mRNA and protein expression in the cells was detected by reverse transcription quantitative PCR and western blot analysis, respectively. The vasodilator 6-keto PGF1alpha and the vasoconstrictor TXB2 were detected in the supernatant by ELISA. The cultured cells displayed specific factor VIII expression in the cytoplasm. Compared with the PBS-treated control group, leptin significantly increased the expression of COX-2 mRNA and protein in a time- and dose-dependent manner (P<0.01). Furthermore, the vasodilator 6-keto PGF1alpha was increased and the TXB2/6-keto PGF1alpha ratio decreased only with relatively high concentrations of leptin (10-9 or 10-8 M; P<0.01), but TXB2 levels were not affected (P>0.05). In conclusion, leptin significantly increased the expression of inflammatory marker COX-2 and its downstream product 6-keto PGF1alpha, while also decreasing the TXB2/6-keto PGF1alpha ratio in vitro. These observations suggested that COX-2 may have an important role in the effects of leptin on inflammation, such as the low-inflammatory disease hypertension. However, selective COX-2 inhibitors may increase the risk of hypertension due to inhibiting 6-keto PGF1alpha, the vasodilator product of COX-2. PMID- 29201222 TI - Contrast-enhanced ultrasound is better than magnetic resonance imaging in evaluating the short-term results of microwave ablation treatment of uterine fibroids. AB - Contrast-enhanced ultrasound (CEUS) and magnetic resonance imaging (MRI) were compared in evaluating the short-term effects of microwave ablation (MWA) on uterine fibroids. A total of 60 patients with uterine fibroids treated by MWA were enrolled in the experimental group during their two-year follow-up period according to the inclusion criteria. Conventional two-dimensional US, MRI and CEUS were performed to determine the volume reduction and the fibroid residue by displaying the size, echo and signal intensity of fibroids prior to and after MWA treatment. As the control group, 60 consecutive patients were recruited on their follow-up visit at least two years after MWA treatment of uterine fibroids. Significant differences were observed in the wash-in rate (WiR) of the fibroid tissue, start time difference, rise time ratio (RTR) and WiR ratio between the experimental and control groups (P<0.05). However, the WiR of fibroid vessel, total area under the curve of fibroid vessel and tissue, and rise time difference (RTD) between fibroid vessel and tissue did not display any significant differences between the two groups. Fibroids were either reduced in volume or cured by MWA therapy in patients with uterine fibroids. The reductions in volume of hypointense, isointense and hyperintense fibroids were 62.42+/-18.13, 53.27+/ 10.05 and 47.43+/-9.56%, respectively, on T1-weighted imaging (T1WI). On T2WI, the corresponding reductions were 67.32+/-32.63, 59.36+/-19.36 and 42.63+/ 10.37%, respectively. The higher the signal intensity on T1WI and T2WI, the lower the reduction in volume. It is indicative that different blood supply to fibroids results in different ablation. CEUS was proved to be more effective than MRI in evaluating the effects of MWA on uterine fibroids during the first postoperative year. PMID- 29201223 TI - Application of positron emission tomography-computed tomography in the diagnosis of pulmonary ground-glass nodules. AB - The aim of the present study was to investigate the value of positron emission tomography-computed tomography (PET-CT) using 18F-fluorodeoxyglucose in the clinical diagnosis of pulmonary ground-glass nodule. In total, 54 patients with pulmonary GGN that were identified by PET-CT examination were selected and confirmed by pathology and clinical diagnosis in hospital between April 2014 and April 2015. The association between PET-CT findings and pathology, and the value of PET-CT were then evaluated. In the 54 patients, solitary pulmonary GGN with a nodule diameter of between 0.6 and 2.0 cm were detected. Amongst them, the PET-CT examination of 42 patients revealed hyper metabolic nodules, and were all mixed GGN type nodules with a diameter >1 cm. The PET-CT examination of the remaining 12 patients demonstrated no evidence of metabolic abnormalities and the nodules in these patients were pure or mixed GGN with a diameter <1 cm (except 2 cases with a diameter >=1 cm). Furthermore, the diagnoses for all patients were pathologically confirmed by CT-guided needle biopsy or thoracoscopic surgical resection. Amongst them, there were 41 cases of lung adenocarcinoma, 4 cases of fungal infection, 7 cases of inflammation and 2 cases of adenomatoid hyperplasia. Additionally, PET-CT has a lower detection rate for smaller GGN exhibits no clear advantage for pure GGN, but has a higher detection rate for larger GGN. In conclusion, to a certain extent, PET-CT makes up for the shortcomings of traditional imaging and has some clinical value for the diagnosis of GGN. PMID- 29201224 TI - Expression of NF-E2-related factor 2 in a rat dural arteriovenous fistula model. AB - Intracranial dural arteriovenous fistulas (DAVFs) are complex intracranial vascular malformations that may lead to hemorrhage. Although the precise mechanisms by which DAVFs occur remain unknown, dural angiogenesis may be a vital factor in its pathogenesis. Nuclear factor erythroid 2-related factor 2 (Nrf2) significantly influences angiogenesis; however, the association between DAVF and Nrf2 remains unclear. Therefore, the present study investigated whether DAVF alters the expression of Nrf2 in an experimental animal model of DAVF. The DAVF group underwent surgery of the left common carotid artery-external jugular vein anastomosis, cauterization of the vein draining transverse sinus and thrombosis of the sagittal sinus to induce venous hypertension (VH). At 1, 4 and 7 days post surgery, rats were sacrificed to collect brain samples. Western blot analysis, immunofluorescence staining and reverse transcription-quantitative polymerase chain reaction were used to determine whether DAVF activated the Nrf2 signaling pathway. The results demonstrated that the expression of Nrf2 mRNA and protein, and the expression of its downstream genes heme oxygenase-1 and NAD(P)H: quinine oxidoreductase-1 significantly increased 1 day after surgery. The expression of these genes decreased but remained high 4 days following surgery and only returned to baseline 7 days after surgery. Compared with the sham-surgery and control groups, DAVF-induced brain edema reached a peak 1 day following DAVF surgery and only returned to normal levels 7 days post-surgery. Taken together, these data indicate the potential contribution of Nrf2 to the formation of DAVFs and suggest that VH may induce the upregulation of Nrf2. PMID- 29201226 TI - Bronchial damage and diffuse alveolar hemorrhage following chlorine gas inhalation: A case report. AB - Chlorine is a toxic inhalant and sources of exposure for individuals include accidental releases of chlorine vapor due to industrial or chemical transportation accidents. Inhalation of a large quantity of gas may cause circulatory and respiratory disorders or even mortality; however, the effects of a small amount of chlorine gas may be asymptomatic. The present case study presents a successfully treated 55-year-old male patient exposed to chlorine gas, resulting in bronchial damage and diffuse alveolar hemorrhage. Endobronchial and alveolar injuries were evaluated by direct observation using fiberoptic bronchoscopy (FB) and analyzing bronchoalveolar lavage fluid obtained by FB. Taking a precise medical history from the patient is crucial to correctly diagnose toxic gas inhalation. In addition, a timely and proper evaluation with chest imaging as well as FB may provide useful clinical information. Therefore, clinicians should consider performing FB if the circumstances permit. PMID- 29201225 TI - Long non-coding RNA ANRIL promotes the proliferation, migration and invasion of human osteosarcoma cells. AB - The long antisense non-coding RNA ANRIL is 3.8 kb in length and serves an important role in the tumorigenesis and progression of a number of malignancies. However, its function in human osteosarcoma remains unknown. The present study investigated the role of ANRIL in human osteosarcoma cell lines and clinical tumor samples. The expression of ANRIL was analyzed in 19 osteosarcoma and paired adjacent non-cancerous tissues using reverse transcription-quantitative polymerase chain reaction. Knockdown of ANRIL expression using lentivirus mediated small interfering RNA was performed to investigate the role of ANRIL in tumor proliferation and metastasis using MTT, colony formation and transwell assays. The results demonstrated that ANRIL expression was upregulated in osteosarcoma tissues when compared with ANCT samples. In addition, knockdown of ANRIL expression in vitro reduced cell proliferation and invasion. These results indicated that ANRIL is upregulated in osteosarcoma tissues, and may promote the proliferation and metastasis of osteosarcoma cells. Therefore, ANRIL may serve as a novel biomarker and target of novel therapies for the treatment of patients with osteosarcoma. PMID- 29201227 TI - Oridonin enhances in vitro anticancer effects of lentinan in SMMC-7721 human hepatoma cells through apoptotic genes. AB - The aim of the present study was to determine the ability of oridonin to enhance the anticancer activity of lentinan (LNT) in SMMC-7721 human hepatoma cells in vitro by using various techniques, including MTT, flow cytometry, quantitative PCR and western blot assays. The results demonstrated that 20 ug/ml was a non toxic concentration of oridonin for L02 normal liver cells and SMMC-7721 cells, while 0-200 ug/ml of LNT only had anti-proliferative effects on SMMC-7721 cells. LNT at 100 and 200 ug/ml inhibited the growth of SMMC-7721 cells by 22.8 and 60.0%, respectively, and after addition of 20 ug/ml oridonin, the inhibitory rate of 100 and 200 ug/ml LNT was increased to 47.2 and 80.7%, respectively. Oridonin (20 ug/ml) + LNT (200 ug/ml)-treated SMMC-7721 cells showed the highest apoptotic rate, which was 40.5+/-2.5%, which was higher than that of cells treated with LNT only. LNT raised the mRNA and protein expression of caspase-3, -8 and -9 as well as B-cell lymphoma 2 (Bcl-2)-associated X protein, p53 and p21, while reducing the expression of Bcl-2, Bcl extra large protein, epidermal growth factor (EGF) and EGF receptor expression in SMMC-7721 cells as compared to that in control cells. Treatment with 20 ug/ml oridonin and 200 ug/ml LNT increased these changes of gene expression. From the obtained results, it may be concluded that oridonin raised the in vitro anti-cancer effects of LNT in SMMC-7721 cells. Oridonin may also be used as a sensitizing agent to increase the anticancer activity of LNT in vivo. PMID- 29201228 TI - Insect tea attenuates hydrochloric acid and ethanol-induced mice acute gastric injury. AB - The aim of the present study was to investigate the protective effect of insect tea on HCl/ethanol-induced gastric ulcers in ICR mice. The serum levels of vasoactive intestinal peptide, substance P, somatostatin, motilin and endothelin 1 in mice were assessed using commercial kits and gastric tissues of superoxide dismutase (SOD, nitric oxide (NO) and malondialdehyde (MDA) were determined using western blot analysis Insect tea significantly reduced HCl/ethanol-induced gastric juice secretion and increased the pH of gastric juice (P<0.05). Insect tea treatment signfiicantly increased vasoactive intestinal peptide and somatostatin, and significantly decreased motilin, substance P and endothelin levels in the serum (P<0.05). Treatment with insect tea was demonstrated to significantly increase levels of gastric SOD and NO and to reduce levels of MDA in the gastric ulcer mouse model (P<0.05). The gastric expression of inhibitor of nuclear factor-kappaB (NF-kappaB), epidermal growth factor (EGF), EGF receptor, neuronal nitric oxide synthase (nNOS), endothelial NOS, Mn-SOD, Cu/Zn-SOD and catalase was significantly increased in mice treated with inset tea compared with untreated model mice (P<0.05). Levels of NF-kappaB, and inducible NOS were demonstrated to be decreased in mice treated with insect tea compared with untreated model mice (P<0.05). The results of the present study suggest that insect tea has a protective effect against HCl/ethanol-induced gastric ulcers in ICR mice. This effect may be achieved via modulating serum neuropeptide levels, reducing gastric juice secretion, and modulating the inflammation- and antioxidant-associated protein expressions in gastric tissue. PMID- 29201229 TI - Antimicrobial resistance and prevalence of CvfB, SEK and SEQ genes among Staphylococcus aureus isolates from paediatric patients with bloodstream infections. AB - Staphylococcus aureus (S. aureus) is one of the most frequently isolated pathogens in neonatal cases of early and late-onset sepsis. Drug resistance profiles and carriage of toxin genes may affect the treatment and outcome of an infection. The present study aimed to determine the antimicrobial resistance patterns and frequencies of the toxin-associated genes conserved virulence factor B (CvfB), staphylococcal enterotoxin Q (SEQ) and staphylococcal enterotoxin K (SEK) among S. aureus isolates recovered from paediatric patients with bloodstream infections (BSIs) in Guangzhou (China). Of the 53 isolates, 43.4% were methicillin-resistant S. aureus (MRSA), and resistance rates to penicillin, erythromycin, clindamycin, trimethoprim/sulfamethoxazole, tetracycline, and ciprofloxacin of 92.5, 66.0, 62.3, 13.2, 20.8 and 1.9% were recorded, respectively. However, no resistance to nitrofurantoin, dalfopristin/quinupristin, rifampicin, gentamicin, linezolid or vancomycin was detected. Resistance to erythromycin, clindamycin and tetracycline in the MRSA group was significantly higher than that in the methicillin-susceptible S. aureus (MSSA) group. No significant differences in antimicrobial resistance patterns were noted between two age groups (<=1 year and >1 year). The proportion of S. aureus isolates positive for CvfB, SEQ and SEK was 100, 34.0 and 35.8%, respectively, with 24.5% (13/53) of strains carrying all three genes. Compared with those in MSSA isolates, the rates of SEK, SEQ and SEK + SEQ carriage among MRSA isolates were significantly higher. Correlations were identified between the carriage of SEQ, SEK and SEQ + SEK genes and MRSA (contingency coefficient 0.500, 0.416, 0.546, respectively; P<0.01). In conclusion, MRSA isolated from the blood of paediatric patients with BSIs not only exhibited higher rates of antimicrobial resistance than MSSA from the same source, but also more frequently harboured SEK and SEQ genes. The combination of the two aspects influenced the dissemination of MRSA among children. The present study clarified the characteristics of BSI associated S. aureus and enhanced the current understanding of the pathogenicity and treatment of MRSA. PMID- 29201230 TI - Inhibition of penile tunica albuginea myofibroblasts activity by adipose-derived stem cells. AB - The activation of tunica albuginea myofibroblasts (MFs) serves an essential role in Peyronie's disease (PD). Increasing evidence has reported that adipose tissue derived stem cells (ADSCs) have been demonstrated to attenuate the symptoms of PD in animal models. However, the mechanisms of the antifibrotic effects of ADSCs in PD remain to be fully elucidated. In the present study, the inhibitory effects and possible mechanism of ADSCs on the activation of MFs derived from rat penile tunica albuginea were investigated. ADSCs were obtained from the paratesticular fat of Sprague Dawley rats. MFs were transformed from rat penile tunica albuginea fibroblasts through stimulation with 5 ng/ml tumor growth factor-beta1. Transwell cell cultures were adopted for co-culture of ADSCs and MFs. Western blot analysis was used to assess changes in the expression levels of alpha smooth muscle actin (alphaSMA), collagen I, phosphorylated (p)-SMAD family member 2 (Smad2), Smad2, ras homolog family member A (RhoA), Rho associated coiled-coil containing protein kinase (ROCK)1 and ROCK2, caspase3, caspase9, and matrix metalloproteinases (MMPs). Collagen gel assays were used to assess cell contractility. Additionally, the concentration of hydroxyproline in the culture medium was detected using commercially available kits. It was demonstrated that ADSCs reduced the expression of alphaSMA and collagen I of MFs. Furthermore, p-Smad2, RhoA, ROCK1 and ROCK2 expression was significantly reduced in the MFs+ADSCs group compared with that in the MFs-only culture, while the expression of MMPs (MMP2, MMP3, MMP9 and MMP13) and caspases (caspase3 and caspase9) was upregulated. In addition, ADSCs were able to downregulate the concentration of hydroxyproline in the culture medium of MFs and reverse the contraction of MFs. Collectively, these results suggested that ADSCs inhibited the activation of MFs, decreased collagen production, and suppressed the contraction of myofibroblasts, via Smad and RhoA/ROCK signaling pathways. Furthermore, ADSCs reduced the deposition of collagen and promoted the apoptosis of MFs via MMPs, and caspases. Accordingly, the application of ADSCs may provide a novel therapeutic strategy for PD. PMID- 29201231 TI - Genetic variation of rs3811463 is associated with gestational diabetes mellitus susceptibility. AB - Gestational diabetes mellitus (GDM) is a growing health concern, and it increases the risk of adverse pregnancy outcomes with substantial long-term adverse health impacts on mothers and their offspring. Several studies have revealed specific associations between genetic variants and the risk of GDM. Single nucleotide polymorphisms (SNPs) are the major type of genetic variation in humans. Let-7 microRNA targets are enriched for genes containing SNPs associated with glucose metabolism, including Lin28. In the present study, the effect of T/C variants of rs3811463 (a SNP located near to the let-7 binding site in Lin28) on GDM risk was investigated. A GDM rat model was successfully constructed using a high fat diet and streptozotocin injection, and the primary skeletal muscle cells were isolated. The cell transfection results demonstrated that rs3811463-T/C significantly affected the glucose uptake and insulin sensitivity. Reverse transcription-quantitative polymerase chain reaction analysis indicated that the C allele at rs3811463 regulated the expression of glucose metabolism-associated genes insulin-like growth factor two binding protein 2 and glucokinase. Western blot analysis data revealed that replacement of the T allele by the C allele at rs3811463 modulated the protein level of Sirtuin 1. Taken together, it was concluded that the let-7/Lin28 axis regulated glucose uptake and insulin sensitivity by modulating the expression of glucose metabolism-associated proteins. These findings provide novel evidence on the association between genetic variations of rs3811463 and GDM susceptibility. PMID- 29201232 TI - Renoprotective effects of emodin against diabetic nephropathy in rat models are mediated via PI3K/Akt/GSK-3beta and Bax/caspase-3 signaling pathways. AB - Emodin is the main active component of the Chinese medicine rhubarb, which has a variety of pharmacological effects and a high clinical value. Its anti inflammatory and antitumor effects have been widely studied. The aim of the present study was to determine whether emodin has renoprotective effects, and to identify the potential underlying mechanisms in a rat model of diabetic nephropathy (DN). The changes in mean blood glucose levels, normalized kidney weight, urinary albumin excretion, serum creatinine levels and tubulointerstitial injury index (TII) scores of the rats with DN were significantly attenuated by emodin. Furthermore, treatment with emodin significantly inhibited inflammation related factors and oxidative stress, suppressed the expression of intercellular adhesion molecule 1 (ICAM-1) and B-cell lymphoma 2-associated X protein (Bax), increased phosphorylated Akt and phosphorylated-glycogen synthase kinase 3 (p-GSK 3beta) expression and inhibited caspase-3 activity in diabetic rats. These data suggest that emodin protects against DN and that the underlying mechanism may involve the suppression of inflammation, ICAM-1 and Bax, and activation of the PI3K/Akt/GSK-3beta pathway. PMID- 29201233 TI - Association between connexin 40 and potassium voltage-gated channel subfamily A member 5 expression in the atrial myocytes of patients with atrial fibrillation. AB - Structural and electrical remodeling within the atrium mediate the pathogenesis of atrial fibrillation (AF). Two key genes that sever a role in this remodeling are connexin 40 (Cx40) and potassium voltage-gated channel subfamily A member 5 (KCNA5), respectively. Electrical remodeling is considered to induce structural remodeling during AF. In the present study, the left atrial appendage section and atrial myocytes of patients with AF were evaluated. It was observed that Cx40 and KCNA5 mRNA (P<0.05) and protein (P<0.01) expression was significantly downregulated in AF compared with rheumatic heart disease. In addition, a positive correlation between the mRNA expression Cx40 and KCNA5 was observed in the atrial myocytes of patients with AF (P<0.05; r=0.42). The association between Cx40 and KCNA5 expression was subsequently investigated in primary cultured atrial myocytes using siRNA transfection. In atrial myocytes, downregulation of Cx40 inhibited the expression of KCNA5. Similarly, silencing of KCNA5 suppressed the expression of Cx40. These results indicate that synergistic regulation may occur between Cx40 and KCNA5 expression. Furthermore, the combined effects of electrical and structural remodeling in the atrial myocytes of patients with AF may contribute to the pathogenesis of AF. PMID- 29201234 TI - Efficacy, safety and influencing factors of intra-calf muscular injection of bone marrow mononuclear cells in the treatment of type 2 diabetes mellitus-induced lower extremity vascular disease. AB - The efficacy, safety and impact of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) associated with the intra-calf muscular injection of bone marrow mononuclear cells (BMMCs) in the treatment of type 2 diabetes mellitus (T2DM)-induced lower extremity vascular disease (LEVD) were evaluated. Patients with T2DM-LEVD were randomly divided into a control group and BMMCs group to assess the efficacy and safety of the treatment; serum VEGF and bFGF levels were detected. The BMMCs group was divided into superior genicular artery (SGA) and inferior genicular artery (IGA) subgroups as well as low-dose and high-dose subgroups for the comparison of efficacy indices. The BMMCs group exhibited significantly improved indices (P<0.05) compared with the control group and no fatalities or cancer occurred. There were no significant changes in serum VEGF and bFGF levels (P>0.05). The claudication distance in the IGA subgroup was significantly greater that in the SGA subgroup (P<0.05); the low-dose subgroup and the high-dose subgroup did not demonstrate any significant differences in each index (P>0.05). BMMC treatment for T2DM-LEVD was found to be safe and effective and had no significant impact on serum VEGF and bFGF levels in the short term; However, the degree of LEVD may affect its efficacy. PMID- 29201235 TI - A novel effective chemical hemin for the treatment of acute carbon monoxide poisoning in mice. AB - There is no effective drug for the therapy of acute carbon monoxide (CO) poisoning. The purpose of the present study was to investigate the potential preventive and therapeutic effects of hemin on an animal model of acute CO poisoning and to provide a potential therapeutic candidate drug. A total of 80 Kunming mice were randomly divided into four groups, namely the air control, acute CO poisoning, hemin-treatment + CO and hemin-pretreatment + CO groups (n=20 each). Furthermore, the mortality rate of mice, blood carboxyhaemoglobin (HbCO) concentration and serum malondialdehyde (MDA) concentration were measured, and pathological changes of the hippocampal area were determined using histochemical staining. The mice with acute CO poisoning had a 50% mortality rate at 1 h, with an increase in blood HbCO, serum MDA levels and pathological impairments of the hippocampus. Furthermore, the mortality rate, blood HbCO and serum MDA levels of mice with pretreatment and treatment of hemin were decreased. Additionally, the pathological changes of the hippocampal area were improved in the hemin-treatment and hemin-pretreatment groups compared with the mice treated with CO. These results suggest that hemin is a novel effective chemical for the prevention and treatment of acute CO poisoning in mice. Therefore, the present study provides a novel method and experimental basis for the application of hemin in treating patients with acute CO poisoning. PMID- 29201236 TI - The role of aplysia ras homolog I in colon cancer cell invasion and adhesion. AB - Aplysia ras homolog I (ARHI) acts as a tumor suppressor in certain cancer cells. However, the role of ARHI in colon cancer development has not previously been reported. The present study aimed to investigate the functional role of ARHI in colon cancer focusing on the aspect of metastasis. Furthermore, the molecular mechanism underlying its function was explored. The present study detected the expression of ARHI in a human colon epithelial cell line and colon cancer cell lines using reverse transcription-quantitative polymerase chain reaction and western blotting analysis. It was demonstrated that ARHI expression was significantly downregulated in colon cancer cell lines compared with the normal colon epithelial cell line (P<0.05). An ARHI-pcDNA3.1 plasmid was transfected into HCT116 cells to overexpress ARHI. The number of invaded cells and the adhesive ability were significantly decreased in the ARHI overexpression group compared with the control group, as determined by cell invasion and adhesion assays (P<0.05). Furthermore, ARHI overexpression led to increased mRNA and protein expression levels of E-cadherin, and decreased mRNA and protein expression levels of N-cadherin and vimentin. Wnt/beta-catenin signaling was suppressed in HCT116 cells overexpressing ARHI. Lithium chloride, a wnt/beta catenin signaling activator, was able to attenuate the effect of ARHI on HCT116 cell invasion and adhesion. In addition, the effect of ARHI on epithelial mesenchymal transition (EMT) in HCT116 cells was reversed by the activation of wnt/beta-catenin signaling. In conclusion, the present study provided novel evidence that ARHI could inhibit colon cancer cell invasion and adhesion through suppressing EMT, and these effects were achieved, at least partially, via the suppression of the wnt/beta-catenin signaling pathway. The present findings may help in developing novel therapeutic approaches for colon cancer. PMID- 29201237 TI - MicroRNA-338-3p targets SOX4 and inhibits cell proliferation and invasion of renal cell carcinoma. AB - MicroRNA (miR)-338-3p has been reported to be involved in tumor progression and development in various types of cancer. However, the biological function of miR 338-3p and its related molecular pathways involved in the progression of renal cell carcinoma (RCC) are unknown. The present study aimed to investigate the biological role and underlying mechanism of miR-338-3p in RCC cells. It was demonstrated that miR-338-3p expression level was significantly downregulated (P<0.05) in RCC tissues and cell lines. Clinical association analysis indicated that low expression of miR-338-3p was significantly associated with advanced TNM stage and lymph node metastasis (P<0.05). Function assays revealed that restoration of miR-338-3p in RCC cells significantly inhibited cell proliferation, colony formation, migration and invasion (P<0.05). Notably, sex determining region Y-box 4 (SOX4) was identified as a direct target of miR-338-3p in RCC cells through a luciferase reporter assay, reverse transcription quantitative polymerase chain reaction and western blot analysis. Furthermore, SOX4 overexpression partially rescued miR-338-3p-mediated inhibition of cell proliferation, colony formation, migration and invasion in RCC cells. These results suggested that miR-338-3p functioned as a tumor suppressor in RCC cells by modulating SOX4, suggesting that miR-338-3p may have a potential use in the treatment of RCC. PMID- 29201238 TI - Susceptibility vessel sign predicts poor clinical outcome for acute stroke patients untreated by thrombolysis. AB - The location and length of the susceptibility vessel sign (SVS) predicts poor outcome for patients having received reperfusion therapy. The aim of the present study was to assess the predictive value of SVS regarding the clinical outcome for patients untreated with thrombolysis. A retrospective study on acute stroke patients who underwent multimodal magnetic resonance imaging within 3 days from the onset of symptoms was performed. None of the patients had received thrombolysis therapy. The presence, location and length of the SVS were assessed. Uni- and multivariate analyses were used to examine the association between SVS and clinical outcome. A total of 43 SVS+ and 73 SVS- patients were included in the study. A modified Rankin Scale (mRS) of <=2 at 3 months was determined in 41.9% of patients in the SVS+ group and 79.4% in the SVS- group (P<0.001). Multivariate analysis revealed that the presence of SVS was an independent parameter to predict mRS >2 at 3 months (odds ratio, 3.390; 95% confidence interval, 1.122-10.240; P=0.030). For patients with SVS+ status, the location and length of the SVS were not independent predictors of the clinical outcome. In conclusion, the presence of SVS may predict poor clinical outcome for acute stroke patients untreated with thrombolysis. PMID- 29201239 TI - ANXA1 affects cell proliferation, invasion and epithelial-mesenchymal transition of oral squamous cell carcinoma. AB - Annexin A1 (ANXA1) acts either as a tumor suppressor or an oncogene in different tumor types. Several clinical studies revealed that the expression of ANXA1 is associated with the pathologic differentiation grade in oral squamous cell carcinoma (OSCC) patients. However, the direct function of ANXA1 in OSCC progression has remained to be fully clarified. The present study was designed to investigate the role of ANXA1 in OSCC cell proliferation and invasion in vitro. Furthermore, whether ANXA1 was involved in transforming growth factor beta1 (TGFbeta1)/epidermal growth factor (EGF)-induced epithelial-mesenchymal transition (EMT) in OSCC was explored. Tca-8113 and SCC-9 cells were transfected with ANXA1-pcDNA3.1 plasmid to overexpress ANXA1. Subsequently, cell proliferation and invasion were examined using MTT and Transwell-Matrigel invasion assays. TGFbeta1 and EGF were used to induce EMT in Tca-8113 and SCC-9 cells, and the expression of epithelial (E)-cadherin, neural (N)-cadherin and vimentin was determined by western blot analysis. The results demonstrated that ANXA1 overexpression induced a significant decrease of cell growth and invasiveness in Tca-8113 and SCC-9 cells. The expression of E-cadherin was significantly increased, while the expression of vimentin and N-cadherin was significantly decreased in ANXA1-overexpressing Tca-8113 and SCC-9 cells. ANXA1 expression was significantly decreased in TGFbeta1/EGF-treated cells. Furthermore TGFbeta1/EGF-induced EMT in OSCC cell lines was attenuated by ANXA1 overexpression. In conclusion, to the best of our knowledge, the present study was the first to evidence that ANXA1 inhibits OSCC cell proliferation and invasion in vitro. TGFbeta1/EGF-induced EMT was reversed by ANXA1 in OSCC. ANXA1 was suggested to be a potential marker for OSCC as well as a novel treatment. PMID- 29201240 TI - Glucagon-like peptide-1 potentiates glucose-stimulated insulin secretion via the transient receptor potential melastatin 2 channel. AB - The transient receptor potential melastatin 2 (TRPM2) channel, a Ca2+ permeable channel activated by cAMP, is expressed on pancreatic beta-cells and is responsible for the regulation of insulin secretion. It is known that glucose stimulated insulin secretion (GSIS) can be potentiated by glucagon like peptide-1 (GLP-1), and that the changes in the extracellular glucose concentration alter the levels of intracellular adenosine ATP and cAMP. The present study hypothesized that TRPM2 mediates the modulatory effect of GLP-1 on insulin secretion. The results demonstrated that silencing of TRPM2 eliminated GLP-1 enhanced insulin secretion, indicating the involvement of TRPM2 in this process. In addition, the results of current recordings of TRPM2 and measurement of the resulting insulin secretion in beta-cells in the presence of GLP-1 and various concentrations of glucose suggest that GLP-1 regulates GSIS via the TRPM2 channel. Furthermore, inhibiting the activity or expression of TRPM2 attenuated GLP-1-induced GSIS. By using specific activators or inhibitors, the present study demonstrated that the two primary downstream effectors of the GLP-1 receptor, exchange protein directly activated by cAMP and protein kinase A, differentially influence GSIS and GLP-1-potentiated GSIS. In conclusion, the present study revealed the role of TRPM2 in GLP-1-regulated insulin secretion. The results of the present study provide a novel avenue for the prevention and treatment of diabetes and its complications. PMID- 29201241 TI - Clinical value of urinary retinol-binding protein in ascites due to cirrhosis. AB - The aim of the present study was to explore the clinical value of urinary retinol binding protein (RBP) level in the prognosis of cirrhotic ascites by assessment of the RBP levels prior to and following ascites treatment. The levels of urinary RBP, urinary microalbumin (mAlb), serum urea nitrogen (urea) and serum creatinine (Cr), and the estimated glomerular filtration rate (eGFR) were measured in 90 patients with cirrhosis and ascites hospitalized in a single institution between May 2011 and January 2012, and in 30 healthy controls. The levels of urinary mAlb, serum urea and serum Cr were higher in the cirrhotic patients compared with the healthy controls (P<0.05). Urinary RBP levels were significantly higher and eGFR was significantly lower in the liver cirrhosis group compared with the healthy control group (P<0.01). Urinary RBP, urinary mAlb, serum urea and serum Cr increased and eGFR decreased as the severity of the ascites increased (P<0.05). Urinary RBP was significantly higher in patients whose ascites did not respond or was refractory compared with those in whom it subsided (P<0.05), exhibiting a gradual increase over time in the former and a gradual reduction over time in the latter group (P<0.05). Increased urinary RBP and decreased eGFR in the early stage of cirrhosis ascites suggested impaired renal function, which serves a role in the process of ascites formation. These results indicated that urinary RBP is a sensitive indicator of early renal injury in patients with ascites due to cirrhosis and is closely associated with the progression of cirrhotic ascites. PMID- 29201242 TI - Selective Photooxidation Reactions using Water-Soluble Anthraquinone Photocatalysts. AB - The aerobic organocatalytic oxidation of alcohols was achieved by using water soluble sodium anthraquinone sulfonate. Under visible-light activation, this catalyst mediated the aerobic oxidation of alcohols to aldehydes and ketones. The photo-oxyfunctionalization of alkanes was also possible under these conditions. PMID- 29201243 TI - On the Role of Acidity in Bulk and Nanosheet [T]MFI (T=Al3+, Ga3+, Fe3+, B3+) Zeolites in the Methanol-to-Hydrocarbons Reaction. AB - The influence of framework substituents (Al3+, Ga3+, Fe3+ and B3+) and morphology (bulk vs. nanometer-sized sheets) of MFI zeolites on the acidity and catalytic performance in the methanol-to-hydrocarbons (MTH) reaction was investigated. The Bronsted acid density and strength decreased in the order Al(OH)Si>Ga(OH)Si>Fe(OH)Si?B(OH)Si. Pyridine 15N NMR spectra confirmed the differences in the Bronsted and Lewis acid strengths but also provided evidence for site heterogeneity in the Bronsted acid sites. Owing to the lower efficiency with which tervalent ions can be inserted into the zeolite framework, sheet-like zeolites exhibited lower acidity than bulk zeolites. The sheet-like Al-containing MFI zeolite exhibited the greatest longevity as a MTH catalyst, outperforming its bulk [Al]MFI counterpart. Although the lower acidity of bulk [Ga]MFI led to a better catalytic performance than bulk [Al]MFI, the sheet-like [Ga]MFI sample was found to be nearly inactive owing to lower and heterogeneous Bronsted acidity. All Fe- and B-substituted zeolite samples displayed very low catalytic performance owing to their weak acidity. Based on the product distribution, the MTH reaction was found to be dominated by the olefins-based catalytic cycle. The small contribution of the aromatics-based catalytic cycle was larger for bulk zeolite than for sheet-like zeolite, indicating that shorter residence time of aromatics can explain the lower tendency toward coking and enhanced catalyst longevity. PMID- 29201244 TI - Mindfulness-Based Interventions During Pregnancy: a Systematic Review and Meta analysis. AB - This systematic review aims to assess the effect of mindfulness-based interventions carried out during pregnancy exploring mindfulness and mental health outcomes. A systematic review was conducted to appraise the current literature on the subject area. Inclusion and exclusion criteria were agreed and after reviewing titles, abstracts and full papers, 14 articles met the inclusion criteria and were included in the review. The quality of included articles was checked using the Quality Assessment Tool for Quantitative Studies. Pooled results of the randomised controlled trials (RCTs) reporting outcomes on anxiety, depression and perceived stress indicated no differences between the mindfulness intervention group and the control group. Pooled results of the non-RCTs reporting anxiety, depression and perceived stress showed a significant benefit for the mindfulness group. Mindfulness as an outcome was assessed in four RCTs for which the pooled results show a significant difference in favour of the mindfulness intervention when compared to a control group. The pooled results of the four non-RCTs also indicate a significant difference following mindfulness intervention. Results suggest that mindfulness-based interventions can be beneficial for outcomes such as anxiety, depression, perceived stress and levels of mindfulness during the perinatal period. Further research would be useful to explore if such benefits are sustained during the post-natal period. PMID- 29201245 TI - The Relationship Between Adult Attachment Orientation and Mindfulness: a Systematic Review and Meta-analysis. AB - Mindfulness can be measured as an individual trait, which varies between individuals. In recent years, research has investigated the overlap between trait mindfulness and attachment. The aim of the present review and meta-analysis was to investigate the current evidence linking adult attachment dimensions to trait mindfulness dimensions, and to quantitatively synthesize these findings using meta-analyses. A systematic literature search was conducted using five scientific databases of which, upon review, 33 articles met inclusion criteria. Inclusion criteria were peer-reviewed journals and dissertations published in English that relied on quantitative methods using reliable and validated self-report measures where study participants were aged 16 years and older. Random-effects model meta analytic procedures were used to investigate the relationship between both constructs. Cross-sectional studies found significant negative correlations between adult attachment insecurity, on either dimension (anxiety or avoidance) and both total mindfulness score and all five sub-dimensions of mindfulness (act with awareness, observe, describe, non-reacting, and non-judging), with the exception of a non-significant positive correlation between attachment anxiety and observe. The effect size of the relationships ranged from small to medium. The overall mean effect sizes were moderate (anxiety, r+ = .34; avoidance, r+ = .28), with both attachment dimensions associated with lower levels of total mindfulness. Results are discussed in relation to theory and research. Implications for future research include the need to utilize longitudinal design to address causality and mechanisms of the relationship between these constructs. PMID- 29201246 TI - Differential Effects of Attention-, Compassion-, and Socio-Cognitively Based Mental Practices on Self-Reports of Mindfulness and Compassion. AB - Research on the effects of mindfulness- and compassion-based interventions is flourishing along with self-report scales to assess facets of these broad concepts. However, debates remain as to which mental practices are most appropriate to develop the attentional, cognitive, and socio-affective facets of mindfulness and compassion. One crucial question is whether present-moment, attention-focused mindfulness practices are sufficient to induce a cascade of changes across the different proposed facets of mindfulness, including nonjudgmental acceptance, as well as compassion or whether explicit socio affective training is required. Here, we address these questions in the context of a 9-month longitudinal study (the ReSource Project) by examining the differential effects of three different 3-month mental training modules on subscales of mindfulness and compassion questionnaires. The "Presence" module, which aimed at cultivating present-moment-focused attention and body awareness, led to increases in the observing, nonreacting, and presence subscales, but not to increases in acceptance or nonjudging. These latter facets benefitted from specific cultivation through the socio-cognitive "Perspective" module and socio affective, compassion-based "Affect" module, respectively. These modules also led to further increases in scores on the subscales affected by the Presence module. Moreover, scores on the compassion scales were uniquely influenced by the Affect module. Thus, whereas a present-moment attention-focused training, as implemented in many mindfulness-based programs, was indeed able to increase attentional facets of mindfulness, only socio-cognitive and compassion-based practices led to broad changes in ethical-motivational qualities like a nonjudgmental attitude, compassion, and self-compassion. PMID- 29201247 TI - Positive Emotion Correlates of Meditation Practice: A Comparison of Mindfulness Meditation and Loving-kindness Meditation. AB - The purpose of this study was to uncover the day-to-day emotional profiles and dose-response relations, both within-persons and between-persons, associated with initiating one of two meditation practices, either mindfulness meditation or loving-kindness meditation. Data were pooled across two studies of midlife adults (N = 339) who were randomized to learn either mindfulness meditation or loving kindness meditation in a six-week workshop. The duration and frequency of meditation practice was measured daily for nine weeks, commencing with the first workshop session. Likewise, positive and negative emotions were also measured daily, using the modified Differential Emotions Scale (Fredrickson, 2013). Analysis of daily emotion reports over the targeted nine-week period showed significant gains in positive emotions and no change in negative emotions, regardless of meditation type. Multilevel models also revealed significant dose response relations between duration of meditation practice and positive emotions, both within-persons and between-persons. Moreover, the within-person dose response relation was stronger for loving-kindness meditation than for mindfulness meditation. Similar dose-response relations were observed for the frequency of meditation practice. In the context of prior research on the mental and physical health benefits produced by subtle increases in day-to-day experiences of positive emotions, the present research points to evidence-based practices - both mindfulness meditation and loving-kindness meditation - that can improve emotional wellbeing. PMID- 29201248 TI - A Qualitative Study with Healthcare Staff Exploring the Facilitators and Barriers to Engaging in a Self-Help Mindfulness-Based Intervention. AB - In order to increase the cost-efficiency, availability and ease of accessing and delivering mindfulness-based interventions (MBIs), clinical and research interest in mindfulness-based self-help (MBSH) interventions has increased in recent years. Several studies have shown promising results of effectiveness of MBSH. However, like all self-help interventions, dropout rates and disengagement from MBSH are high. The current study explored the facilitators and barriers of engaging in a MBSH intervention. Semi-structured interviews with members of healthcare staff who took part in an MBSH intervention (n = 16) were conducted. A thematic analysis approach was used to derive central themes around engagement from the interviews. Analyses resulted in four overarching themes characterising facilitation and hindrance to engagement in MBSH. These are "attitude towards engagement", "intervention characteristics", "process of change" and "perceived consequences". Long practices, emerging negative thoughts and becoming self critical were identified as the key hindrances, whilst need for stress reduction techniques, shorter practices and increased sense of agency over thoughts were identified as the key facilitators. Clinical and research implications are discussed. PMID- 29201249 TI - Socially Inclusive Development: The Foundations for Decent Societies in East and Southern Africa. AB - This article is concerned with how social processes and social provision are conceptualised and measured in societies in order to offer guidance on how to improve developmental progress. Significant advances have been made in developing multidimensional measures of development, but they provide little guidance to governments on how to build sustainable societies. We argue for the need to develop a theoretically informed social and policy framework that permits the foundations for building decent societies to be put in place by governments. In our view the recently developed Decent Society Model provides such a framework. Our example is the assessment of government provision, by function, within fourteen countries of East and Southern Africa. The context is the current debates about socially inclusive development, but we argue that it is necessary to range more widely, as social processes of different kinds are multiply interrelated. Social inclusion is recognised by governments as well as international agencies, including the World Bank and the United Nations, as not only an ethical imperative but smart economics; socially inclusive societies are more stable and have greater potential for economic growth. Societies that can develop sustainably need not only to be inclusive, however, but to provide economic security for all, to be socially cohesive and to empower citizens so that as individuals and communities they can take control over their own lives. PMID- 29201250 TI - Trajectories of Personal Well-Being Attributes Among High School Students in Hong Kong. AB - How personal well-being of adolescents changes over the high school period is not entirely clear in the scientific literature. Using 15 positive youth development (PYD) attributes as indicators of well-being, the current study investigated the related developmental trajectories among a large sample of Hong Kong adolescents from Grade 7 to Grade 12. Individual growth curve modeling revealed that while variation existed across different PYD attributes, nine out of 15 positive youth development attributes declined in the early adolescence but showed a rebound or a slower rate of decline in the late adolescence. The current study serves as a pioneering attempt to chart the normative profiles of Chinese adolescents' personal well-being over time. The theoretical and practical implications of the findings are discussed. PMID- 29201252 TI - Social Progress in Spanish Municipalities (2001-2011). AB - This paper proposes a methodology for the assessment of social progress in the biggest Spanish municipalities between years 2001 and 2011. We follow recent descriptions of QoL to elaborate a measurement framework composed of eight dimensions, for which 16 subindicators are elaborated from information collected using different data sources. Weight constrained Data Envelopment Analysis is used to estimate QoL composite indicators in both periods and to compute a Malmquist index of social progress, which assesses the evolution of the indicators during the decade. The results evidence positive social progress with an average improvement of about 5% during the decade. While the Central-Northern regions still show the highest levels of QoL, the Southern regions (including the islands) dominate the improvement trend. We then decompose the Malmquist index into a catching-up effect and a frontier shift effect. Positive catching-up is measured in almost all the regions. The worst performing municipalities in 2001 experienced the largest catching-up effects, a trend that contributes to territorial convergence. The frontier shift also shows a positive trend. PMID- 29201251 TI - A 4-year Longitudinal Study of Well-being of Chinese University Students in Hong Kong. AB - The present longitudinal study explored the development of personal well-being in university students over 4 years. Personal well-being was indexed by multiple indicators including life satisfaction, positive youth development qualities, and university engagement. A sample of 434 students enrolled in the new 4-year undergraduate program in one university in Hong Kong was successfully followed up for 4 years since they started their university study in 2012-2013 academic year. Students completed an online survey on a yearly basis and four waves of data were collected. Results revealed significant changes in most well-being indicators over time with three main observations. First, students' life satisfaction remained at a stable level during 4 years. Second, most students' self-reported positive youth development competencies followed a U-shaped developmental trajectory, which was characterised by a dip in the second year and a continuous rebound in the third year and fourth year. Third, students' university engagement in different aspects showed significant increments in the third and fourth year of university study. The findings underscore the disparate developmental patterns of different aspects of student well-being during university study. This suggests that there is a need to take into account students' developmental characteristics and related challenges in different stages of university life when develop and implement programs in university to promote student well-being. PMID- 29201253 TI - Gendered Perceptions of Migration Among Ghanaian Children in Transnational Care. AB - This study empirically measures the perceptions towards maternal and paternal migration of male and female children who stay behind in Ghana. It analyses survey data collected in 2010 among secondary school children aged 11-18 in four urban areas with high out-migration rates: the greater Accra region, Kumasi, Sunyani and Cape Coast (N = 1965). The results show significant gendered differences in how children perceive parental migration. Specifically, female children have more positive views towards maternal and paternal migration when parents are abroad and in a stable marital relationship, when the assessed parent is abroad but the other parent is the caregiver in Ghana, when there is a frequent change in the care arrangement, and when female children receive remittances. These findings were not replicated for male children. The analysis highlights the sensitivity of the results to the gender of the child and to the characteristics of children's transnational lives that are being analysed. PMID- 29201254 TI - Analyzing Gender Differences in the Relationship between Family Influences and Adolescent Offending among Boys and Girls. AB - The aim of this paper is to examine gender differences in several dimensions of family-related variables in the explanation of adolescent offending. Analyses are conducted to examine: 1) whether boys and girls differ in levels of offending and in levels of family variables respectively, 2) whether the correlations between family variables and offending differ by gender, and 3) whether the family variables explain gender differences in adolescent offending. The study employs self-report data from a sample of young adolescents in Halmstad, Sweden (N = 889). The findings show that boys offend more than girls and that there are clear differences in both levels of the family variables and in the associations between the different family variables and offending. The findings also show that the family variables cannot explain gender differences in offending. The findings in this study are not only relevant theoretically, they also have important policy implications. PMID- 29201255 TI - English education for healthcare professionals in Japan. AB - In a global environment, education for healthcare professionals should include cultivating human resources who have the necessary skills to work in an international arena. This article will review the current status of English education for dental healthcare professionals in Japan. After conducting a literature search using the keywords: English education, Japan, and dental, only a few studies were found that investigated and proposed suggestions for dental professional English education. Even so, these were still in the early stages with outcomes yet to be fully evaluated. Even though English is thought indispensable for global professionals, and that increasing chances for communication skills is necessary, little attention has been addressed to English education for dental professionals or the implementation of such education in the Japanese undergraduate dental curricula. With the current reality of field expansion in dentistry, the need for not only improved English communication skills for Japanese dentists, but also the acquisition of essential expertise, psychomotor, teambuilding, critical thinking, and creative thinking skills in English as well as Japanese, is a definite probability. In order to reach this level of knowledge, further efforts and research would be necessary for the advancement and development of dental professional English education in Japan. PMID- 29201256 TI - Neuropeptides and ATP signaling in the trigeminal ganglion. AB - Peripheral nociceptive stimuli from orofacial structures are largely transmitted by the trigeminal nerve. According to the peripheral noxious stimuli, neurons in the trigeminal ganglion (TG) produce neuropeptides such as substance P, and calcitonin-gene-related peptide, etc. Beside the production of neuropeptides, there exists unique non-synaptic interaction system between maxillary and mandibular neurons in the TG. Neurons in the TG are surrounded by satellite glial cells (SGCs), which initially receive the signal from TG neurons. These activated SGCs secrete a transmitter to activate adjacent SGCs or TG neurons, thereby amplifying the signal, for example, from mandibular neurons to maxillary neurons in the TG. Similar to the dorsal root ganglion, in the TG, microglia/macrophage like cells (MLCs) are activated by uptake of a transmitter from TG neurons or SGCs. This communication between neurons, SGCs, and MLCs results in responses such as ectopic pain, hyperesthesia, or allodynia. The focus of this review is the cooperative interaction of the maxillary and mandibular nerves in the TG by neuropeptides, and adenosine 3'-phosphate (ATP) signaling from neurons to SGCs and MLCs. Stimulated neurons either secrete ATP by means of vesicular nucleotide transporters, or secrete neuropeptides from the neuronal cell body to mediate signal transmission. PMID- 29201257 TI - Muscle power during intravenous sedation. AB - Intravenous sedation is effective to reduce fear and anxiety in dental treatment. It also has been used for behavior modification technique in dental patients with special needs. Midazolam and propofol are commonly used for intravenous sedation. Although there have been many researches on the effects of midazolam and propofol on vital function and the recovery profile, little is known about muscle power. This review discusses the effects of intravenous sedation using midazolam and propofol on both grip strength and bite force. During light propofol sedation, grip strength increases slightly and bite force increases in a dose-dependent manner. Grip strength decreases while bite force increases during light midazolam sedation, and also during light sedation using a combination of midazolam and propofol. Flumazenil did not antagonise the increase in bite force by midazolam. These results may suggest following possibilities; (1) Activation of peripheral benzodiazepine receptors located within the temporomandibular joint region and masticatory muscles may be the cause of increasing bite force. (2) Propofol limited the long-latency exteroceptive suppression (ES2) period during jaw opening reflex. Thus, control of masticatory muscle contraction, which is thought to have a negative feedback effect on excessive bite force, may be depressed by propofol. PMID- 29201258 TI - Molecular mechanisms of Porphyromonas gingivalis-host cell interaction on periodontal diseases. AB - Porphyromonas gingivalis (P. gingivalis) is a major oral pathogen and associated with periodontal diseases including periodontitis and alveolar bone loss. In this review, we indicate that two virulence factors, which are hemoglobin receptor protein (HbR) and cysteine proteases "gingipains", expressed by P. gingivalis have novel functions on the pathogenicity of P. gingivalis. P. gingivalis produces three types of gingipains and concomitantly several adhesin domains. Among the adhesin domains, hemoglobin receptor protein (HbR), also called HGP15, has the function of induction of interleukin-8 (IL-8) expression in human gingival epithelial cells, indicating the possibility that HbR is associated with P. gingivalis-induced periodontal inflammation. On bacteria-host cells contact, P. gingivalis induces cellular signaling alteration in host cells. Phosphatidylinositol 3-kinase (PI3K) and Akt are well known to play a pivotal role in various cellular physiological functions including cell survival and glucose metabolism in mammalian cells. Recently, we demonstrated that gingipains attenuate the activity of PI3K and Akt, which might have a causal influence on periodontal diseases by chronic infection to the host cells from the speculation of molecular analysis. In this review, we discuss new molecular and biological characterization of the virulence factors from P. gingivalis. PMID- 29201259 TI - Erratum: Developmental Changes in Mental Rotation: A Dissociation Between Object Based and Egocentric Transformations. AB - [This corrects the article on p. 67 in vol. 12, PMID: 27512525.]. PMID- 29201260 TI - Retinal Prosthesis System for Advanced Retinitis Pigmentosa: A Health Technology Assessment Update. AB - Background: Retinitis pigmentosa is a group of inherited disorders characterized by the degeneration of the photoreceptors in the retina, resulting in progressive vision loss. The Argus II system is designed to restore partial functional vision in patients with profound vision loss from advanced retinitis pigmentosa. At present, it is the only treatment option approved by Health Canada for this patient population. In June 2016, Health Quality Ontario published a health technology assessment of the Argus II retinal prosthesis system for patients with advanced retinitis pigmentosa. Based on that assessment, the Ontario Health Technology Advisory Committee recommended against publicly funding the Argus II system for this population. It also recommended that Health Quality Ontario re evaluate the evidence in 1 year. The objective of this report was to examine new evidence published since the 2016 health technology assessment. Methods: We completed a health technology assessment, which included an evaluation of clinical benefits and harms, value for money, and patient preferences related to the Argus II system. We performed a systematic literature search for studies published since the 2016 Argus II health technology assessment. We developed a Markov decision-analytic model to assess the cost-effectiveness of the Argus II system compared with standard care, and we calculated incremental cost effectiveness ratios over a 20-year time horizon. We also conducted a five-year budget impact analysis. Finally, we interviewed people with retinitis pigmentosa about their lived experience with vision loss, and with the Argus II system. Results: Four publications from one multicentre international study were included in the clinical review. Patients showed significant improvements in visual function and functional outcomes with the Argus II system, and these outcomes were sustained up to a 5-year follow-up (moderate quality of evidence). The safety profile was generally acceptable.In the base case economic analysis, the Argus II system was cost-effective compared with standard care if the willingness to pay was more than $97,429 per quality-adjusted life-year. We estimated that funding the Argus II system would cost the province $0.71 to $0.78 million per year over 5 years, assuming 4 implants per year.People with lived experience spoke about the challenges of retinitis pigmentosa, including the gradual but persistent progression of the disease; its impact on their quality of life and their families; and the accessibility challenges they faced. Those who used the Argus II system spoke about its positive impact on their quality of life. Conclusions: Based on evidence of moderate quality, the Argus II retinal prosthesis system improved visual function, real-life functional outcomes, and quality of life in patients with advanced retinitis pigmentosa. The Argus II system is expensive, but the cost to publicly fund it would be low, because of the small number of eligible patients. The Argus II system can only enable perception of light/dark and shapes/objects, but these advancements represent important gains for people with retinitis pigmentosa in terms of mobility and quality of life. PMID- 29201261 TI - Electrical Stimulation for Pressure Injuries: A Health Technology Assessment. AB - Background: Pressure injuries (bedsores) are common and reduce quality of life. They are also costly and difficult to treat. This health technology assessment evaluates the effectiveness, cost-effectiveness, budget impact, and lived experience of adding electrical stimulation to standard wound care for pressure injuries. Methods: We conducted a systematic search for studies published to December 7, 2016, limited to randomized and non-randomized controlled trials examining the effectiveness of electrical stimulation plus standard wound care versus standard wound care alone for patients with pressure injuries. We assessed the quality of evidence through Grading of Recommendations Assessment, Development, and Evaluation (GRADE). In addition, we conducted an economic literature review and a budget impact analysis to assess the cost-effectiveness and affordability of electrical stimulation for treatment of pressure ulcers in Ontario. Given uncertainties in clinical evidence and resource use, we did not conduct a primary economic evaluation. Finally, we conducted qualitative interviews with patients and caregivers about their experiences with pressure injuries, currently available treatments, and (if applicable) electrical stimulation. Results: Nine randomized controlled trials and two non-randomized controlled trials were found from the systematic search. There was no significant difference in complete pressure injury healing between adjunct electrical stimulation and standard wound care. There was a significant difference in wound surface area reduction favouring electrical stimulation compared with standard wound care.The only study on cost-effectiveness of electrical stimulation was partially applicable to the patient population of interest. Therefore, the cost effectiveness of electrical stimulation cannot be determined. We estimate that the cost of publicly funding electrical stimulation for pressure injuries would be $0.77 to $3.85 million yearly for the next 5 years.Patients and caregivers reported that pressure injuries were burdensome and reduced their quality of life. Patients and caregivers also noted that electrical stimulation seemed to reduce the time it took the wounds to heal. Conclusions: While electrical stimulation is safe to use (GRADE quality of evidence: high) there is uncertainty about whether it improves wound healing (GRADE quality of evidence: low). In Ontario, publicly funding electrical stimulation for pressure injuries could result in extra costs of $0.77 to $3.85 million yearly for the next 5 years. PMID- 29201262 TI - Tobacco Nitrosamine Exposures Contribute to Fetal Alcohol Spectrum Disorder Associated Cerebellar Dysgenesis. AB - Variability in the phenotypic features and severity of fetal alcohol spectrum disorder (FASD) is not fully linked to alcohol dose. We hypothesize that FASD type neurodevelopmental abnormalities may be caused by exposures to the tobacco specific nitrosamine, NNK, since a high percentage of pregnant women who drink also smoke. In vitro experiments using PNET2 human cerebellar neuronal cultures examined ethanol and NNK effects on viability and mitochondrial function. Early postnatal rat cerebellar slice cultures were used to examine effects of ethanol and NNK on cerebellar histology and neuroglial and stress protein expression. Ethanol (50 mM) decreased viability and ATP content and increased mitochondrial mass, while NNK (100 MUM or higher) selectively inhibited mitochondrial function. The slice culture studies demonstrated striking adverse effects of ethanol, NNK and ethanol+NNK exposures manifested by architectural disorganization of the cortex with relative reductions of internal granule cells, increases in external granule cells, and loss of Purkinje cells. Ethanol, NNK, and ethanol+NNK inhibited expression of choline acetyltransferase (ChAT) and acetylcholinesterase (AChE), and increased levels of 4-hydroxynonenal (HNE). In addition, ethanol increased activated Caspase 3, NNK decreased tau and phospho-tau, and ethanol+NNK inhibited expression of Aspartyl-beta-hydroxylase (ASPH), which mediates neuronal migration. In conclusion, ethanol and NNK were shown to exert independent but overlapping adverse effects on cerebellar cortical development, neuronal viability, function, and neuroglial protein expression. These findings support our hypothesis that NNK exposures via tobacco smoking in pregnancy can contribute to FASD-associated neurodevelopmental abnormalities. PMID- 29201263 TI - Using social knowledge networking technology to enable meaningful use of electronic health record technology in hospitals and health systems. AB - Despite the federal policy momentum towards "meaningful use" of Electronic Health Records, the healthcare organizational literature remains replete with reports of unintended adverse consequences of implementing Electronic Health Records, including: increased work for clinicians, unfavorable workflow changes, and unexpected changes in communication patterns & practices. In addition to being costly and unsafe, these unintended adverse consequences may pose a formidable barrier to "meaningful use" of Electronic Health Records. Correspondingly, it is essential for hospital administrators to understand and detect the causes of unintended adverse consequences, to ensure successful implementation of Electronic Health Records. The longstanding Technology-in-Practice framework emphasizes the role of human agency in enacting structures of technology use or "technologies-in-practice." Given a set of unintended adverse consequences from health information technology implementation, this framework could help trace them back to specific actions (types of technology-in-practice) and institutional conditions (social structures). On the other hand, the more recent Knowledge-in Practice framework helps understand how information and communication technologies (e.g., social knowledge networking systems) could be implemented alongside existing technology systems, to create new social structures, generate new knowledge-in-practice, and transform technology-in-practice. Therefore, integrating the two literature streams could serve the dual purpose of understanding and overcoming unintended adverse consequences of Electronic Health Record implementation. This paper seeks to: (1) review the theoretical literatures on technology use & implementation, and identify a framework for understanding & overcoming unintended adverse consequences of implementing Electronic Health Records; (2) outline a broad project proposal to test the applicability of the framework in enabling "meaningful use" of Electronic Health Records in a healthcare context; and (3) identify strategies for successful implementation of Electronic Health Records in hospitals & health systems, based on the literature review and application. PMID- 29201264 TI - Short or Long End of the Lever? Associations between Provider Communication of the "Asthma-Action Plan" and Outpatient Revisits for Pediatric Asthma. AB - Background: At the Children's Hospital of Georgia (CHOG), we found that outpatient revisits for pediatric asthma were significantly above national norms. According to the NIH, costly hospital revisits for asthma can be prevented through guidelines-based self-management of asthma, central to which, is the use of a written Asthma-Action Plan (AAP). Purpose: The asthma services literature has emphasized the role of the healthcare provider in promoting asthma self management using the AAP, to prevent hospital revisits. On the other hand, the asthma policy literature has emphasized the need for community-based interventions to promote asthma self-management. A gap remains in understanding the extent of leverage that healthcare providers may have in preventing hospital revisits for asthma, through effective communication of AAP in the outpatient setting. Our study sought to address this gap. Methods: We conducted a 6-month intervention to implement "patient-and-family-centered communication of the AAP" in CHOG outpatient clinics, based on the "change-management" theoretical framework. Provider communication of AAP was assessed through a survey of "Parent Understanding of the Child's AAP." A quasi-experimental approach was used to measure outpatient revisits for pediatric asthma, pre- and post-intervention. Results: Survey results showed that provider communication of the AAP was unanimously perceived highly positively by parents of pediatric asthma patients, across various metrics of patient-centered care. However, there were no statistically significant differences in outpatient "revisit behavior" for pediatric asthma between pre- and post-intervention periods after controlling for several demographic variables. Additionally, revisits remained significantly above national norms. Conclusions: Results suggest limited potential of "effective provider communication of AAP," in reducing outpatient revisits for pediatric asthma; and indicate need for broader community-based interventions to address patient life variables impacting self-management and hospital revisits for pediatric asthma. Findings suggest need for a revised "socio-ecological" theoretical framework, and also provide insight into various policy, research, and practice implications for asthma management and control. PMID- 29201265 TI - 5 Nursing strategies to prevent ventilator-associated pneumonia. PMID- 29201266 TI - Band Gap in Magnetite above Verwey Temperature Induced by Symmetry Breaking. AB - Magnetite exhibits a famous phase transition, called Verwey transition, at the critical temperature TV of about 120 K. Although numerous efforts have been devoted to the understanding of this interesting transition, up to now, it is still under debate whether a charge ordering and a band gap exist in magnetite above TV. Here, we systematically investigate the charge ordering and the electronic properties of magnetite in its cubic phase using different methods based on density functional theory: DFT+U and hybrid functionals. Our results show that, upon releasing the symmetry constraint on the density but not on the geometry, charge disproportionation (Fe2+/Fe3+) is observed, resulting in a band gap of around 0.2 eV at the Fermi level. This implies that the Verwey transition is probably a semiconductor-to-semiconductor transition and that the conductivity mechanism above TV is small polaron hopping. PMID- 29201267 TI - Electron Beam Irradiation Induced Multiwalled Carbon Nanotubes Fusion inside SEM. AB - This paper reported a method of multiwalled carbon nanotubes (MWCNTs) fusion inside a scanning electron microscope (SEM). A CNT was picked up by nanorobotics manipulator system which was constructed in SEM with 21 DOFs and 1 nm resolution. The CNT was picked up and placed on two manipulators. The tensile force was 140 nN when the CNT was pulled into two parts. Then, two parts of the CNT were connected to each other by two manipulators. The adhered force between two parts was measured to be about 20 nN. When the two parts of CNT were connected again, the contact area was fused by focused electron beam irradiation for 3 minutes. The tensile force of the junction was measured to be about 100 nN. However, after fusion, the tensile force was five times larger than the tensile force connected only by van der Waals force. This force was 70 percent of the tensile force before pulling out of CNTs. The results revealed that the electron beam irradiation was a promising method for CNT fusion. We hope this technology will be applied to nanoelectronics in the near future. PMID- 29201268 TI - 3D and 4D Ultrasound: Current Progress and Future Perspectives. AB - Purpose of Review: Three-dimensional (3D) echocardiography (3DE) and 4 dimensional echocardiography (4DE), also known as real-time (RT) 3DE (RT3DE), are rapidly emerging technologies which have made significant impact in the clinical arena over the years. This review will discuss the recent applications of 3DE in diagnosing and treating different types of cardiovascular disease. Recent Findings: Recent studies using 3DE expanded on prior findings and introduced additional applications to different cardiac conditions. Some studies have used 3D parameters to prognosticate long-term outcomes. Numerous innovative software designs including fully automated algorithms have been introduced to better evaluate valvular heart disease and cardiac function. Summary: With further evolution of 3DE technologies, this imaging modality will emerge as a powerful tool and likely become the imaging modality of choice in the diagnosis and management of various cardiac disorders. PMID- 29201269 TI - Cardiac Nonmyocyte Cell Functions and Crosstalks in Response to Cardiotoxic Drugs. AB - The discovery of the molecular mechanisms involved in the cardiac responses to anticancer drugs represents the current goal of cardio-oncology research. The oxidative stress has a pivotal role in cardiotoxic responses, affecting the function of all types of cardiac cells, and their functional crosstalks. Generally, cardiomyocytes are the main target of research studies on cardiotoxicity, but recently the contribution of the other nonmyocyte cardiac cells is becoming of growing interest. This review deals with the role of oxidative stress, induced by anticancer drugs, in cardiac nonmyocyte cells (fibroblasts, vascular cells, and immune cells). The alterations of functional interplays among these cardiac cells are discussed, as well. These interesting recent findings increase the knowledge about cardiotoxicity and suggest new molecular targets for both diagnosis and therapy. PMID- 29201270 TI - Increased Oxidative Damage of RNA in Early-Stage Nephropathy in db/db Mice. AB - To evaluate RNA oxidation in the early stage of diabetic nephropathy, we applied an accurate method based on isotope dilution high-performance liquid chromatography-triple quadruple mass spectrometry to analyze the oxidatively generated guanine nucleosides in renal tissue and urine from db/db mice of different ages. We further investigated the relationship between these oxidative stress markers, microalbumin excretion, and histological changes. We found that the levels of 8-oxo-7,8-dihydroguanosine (8-oxoGuo) and 8-oxo-7,8-dihydro-2' deoxyguanosine (8-oxodGuo) were increased in the urine and renal tissue of db/db mice and db/db mice with early symptoms of diabetic nephropathy suffered from more extensive oxidative damage than lean littermate control db/m mice. Importantly, in contrast to the findings in db/m mice, the 8-oxoGuo levels in the urine and renal tissue of db/db mice were higher than those of 8-oxodGuo at four weeks. These results indicate that RNA oxidation is more apparent than DNA oxidation in the early stage of diabetic nephropathy. RNA oxidation may provide new insight into the pathogenesis of diabetic nephropathy, and urinary 8-oxoGuo may represent a novel, noninvasive, and easily detected biomarker of diabetic kidney diseases if further study could clarify its source and confirm these results in a large population study. PMID- 29201271 TI - Involvement of Mitochondrial Disorders in Septic Cardiomyopathy. AB - Sepsis is defined as a life-threatening organ dysfunction caused by a dysregulated host response to infection. It remains a leading cause of death worldwide, despite the development of various therapeutic strategies. Cardiac dysfunction, also referred to as septic cardiomyopathy, is a frequent and well described complication of sepsis and associated with worse clinical outcomes. Recent research has increased our understanding of the role of mitochondrial dysfunction in the pathophysiology of septic cardiomyopathy. The purpose of this review is to present this evidence as a coherent whole and to highlight future research directions. PMID- 29201272 TI - Resveratrol Ameliorates Mitochondrial Elongation via Drp1/Parkin/PINK1 Signaling in Senescent-Like Cardiomyocytes. AB - Resveratrol is widely known for its antiaging properties and exerts cardiovascular protective effects in different experimental models. The role of resveratrol in regulating mitochondrial functions and dynamics during the cardiac aging process remains poorly understood. In this study, the effects of resveratrol on mitochondrial morphology and mitochondrial depolarization and on expressions of Drp1, parkin, PINK1, and LC3 were investigated in H9c2 cells after D-galactose treatment that induced senescent-like cardiomyocytes. The results show that downregulation of Drp1 markedly increased mitochondrial elongation. Senescent-like cardiomyocytes were more resistant to CCCP-induced mitochondrial depolarization, which was accompanied by suppressed expression of parkin, PINK1, and LC3-II. Resveratrol treatment significantly increased Drp1 expression, ameliorated mitochondrial elongation, and increased the mitochondrial translocations of parkin and PINK1. In addition, resveratrol significantly enhanced LC3-II expression and decreased TOM20-labeled mitochondrial content. Resveratrol also suppressed the phosphorylation of parkin and PINK1, which may relate to its abilities to degrade the impaired mitochondria in senescent-like cardiomyocytes. These findings show that suppressing mitochondrial elongation in a Drp1-dependent manner is involved in the effect of resveratrol on attenuating the development of aging cardiomyocytes. Activation of parkin and PINK1 may be a potential mechanism of resveratrol for treating cardiovascular complications related to aging. PMID- 29201273 TI - Proinflammatory Cytokines Are Soluble Mediators Linked with Ventricular Arrhythmias and Contractile Dysfunction in a Rat Model of Metabolic Syndrome. AB - Metabolic syndrome (MS) increases cardiovascular risk and is associated with cardiac dysfunction and arrhythmias, although the precise mechanisms are still under study. Chronic inflammation in MS has emerged as a possible cause of adverse cardiac events. Male Wistar rats fed with 30% sucrose in drinking water and standard chow for 25-27 weeks were compared to a control group. The MS group showed increased weight, visceral fat, blood pressure, and serum triglycerides. The most important increases in serum cytokines included IL-1beta (7-fold), TNF alpha (84%), IL-6 (41%), and leptin (2-fold), the latter also showing increased gene expression in heart tissue (35-fold). Heart function ex vivo in MS group showed a decreased mechanical performance response to isoproterenol challenge (ISO). Importantly, MS hearts under ISO showed nearly twofold the incidence of ventricular fibrillation. Healthy rat cardiomyocytes exposed to MS group serum displayed impaired contractile function and Ca2+ handling during ISO treatment, showing slightly decreased cell shortening and Ca2+ transient amplitude (23%), slower cytosolic calcium removal (17%), and more frequent spontaneous Ca2+ release events (7.5-fold). As spontaneous Ca2+ releases provide a substrate for ventricular arrhythmias, our study highlights the possible role of serum proinflammatory mediators in the development of arrhythmic events during MS. PMID- 29201274 TI - Slower Dynamics and Aged Mitochondria in Sporadic Alzheimer's Disease. AB - Sporadic Alzheimer's disease corresponds to 95% of cases whose origin is multifactorial and elusive. Mitochondrial dysfunction is a major feature of Alzheimer's pathology, which might be one of the early events that trigger downstream principal events. Here, we show that multiple genes that control mitochondrial homeostasis, including fission and fusion, are downregulated in Alzheimer's patients. Additionally, we demonstrate that some of these dysregulations, such as diminished DLP1 levels and its mitochondrial localization, as well as reduced STOML2 and MFN2 fusion protein levels, take place in fibroblasts from sporadic Alzheimer's disease patients. The analysis of mitochondrial network disruption using CCCP indicates that the patients' fibroblasts exhibit slower dynamics and mitochondrial membrane potential recovery. These defects lead to strong accumulation of aged mitochondria in Alzheimer's fibroblasts. Accordingly, the analysis of autophagy and mitophagy involved genes in the patients demonstrates a downregulation indicating that the recycling mechanism of these aged mitochondria might be impaired. Our data reinforce the idea that mitochondrial dysfunction is one of the key early events of the disease intimately related with aging. PMID- 29201275 TI - Resveratrol and Montelukast Alleviate Paraquat-Induced Hepatic Injury in Mice: Modulation of Oxidative Stress, Inflammation, and Apoptosis. AB - Paraquat (PQ) is one of the most used herbicide worldwide. Its cytotoxicity is attributed to reactive radical generation. Resveratrol (Res) and montelukast (MK) have anti-inflammatory and antioxidant properties. The protective effects of Res, MK, or their combination against PQ-induced acute liver injury have not been investigated before. Therefore, we explored the protective potential of Res and/or MK against PQ hepatic toxicity in a mouse model. Mice were randomly assigned to five groups: group I served as the normal control and group II received a single dose of PQ (50 mg/kg, i.p.). Groups III, IV, and V received PQ plus oral Res (5 mg/kg/day), MK (10 mg/kg/day), and Res/MK combination, respectively. Res and/or MK reduced PQ-induced liver injury, evidenced by normalization of serum total protein, ALT, and AST. Res and/or MK significantly reversed PQ-induced oxidative stress markers glutathione and malondialdehyde. Res and/or MK significantly reduced PQ-induced inflammation reflected in TNF-alpha levels. Furthermore, Res and/or MK reversed PQ-induced apoptosis assessed by differential expression of p53, Bax, and Bcl-2. Histopathologic examination supported the biochemical findings. Although Res and MK displayed antioxidative, anti-inflammatory, and antiapoptotic activities, their combination was not always synergistic. PMID- 29201276 TI - Antihypertensive Effects of Roselle-Olive Combination in L-NAME-Induced Hypertensive Rats. AB - This study aimed to evaluate the antihypertensive efficacy of a new combination therapy of Hibiscus sabdariffa and Olea europaea extracts (2 : 1; Roselle-Olive), using N(G)-nitro-L-arginine-methyl ester- (L-NAME-) induced hypertensive model. Rats received L-NAME (50 mg/kg/day, orally) for 4 weeks. Concurrent treatment with Roselle-Olive (500, 250, and 125 mg/kg/day for 4 weeks) resulted in a dose dependent decrease in both systolic and diastolic blood pressure, reversed the L NAME-induced suppression in serum nitric oxide (NO), and improved liver and kidney markers, lipid profile, and oxidative status. Furthermore, Roselle-Olive significantly lowered the elevated angiotensin-converting enzyme activity (ACE) and showed a marked genoprotective effect against oxidative DNA damage in hypertensive rats. Roselle-Olive ameliorated kidney and heart lesions and reduced aortic media thickness. Real-time PCR and immunohistochemistry showed an enhanced endothelial nitric oxide synthase (eNOS) gene and protein expression in both heart and kidney of Roselle-Olive-treated rats. To conclude, our data revealed that Roselle-Olive is an effective combination in which H. sabdariffa and O. europaea synergistically act to control hypertension. These effects are likely to be mediated by antioxidant and genoprotective actions, ACE inhibition, and eNOS upregulation by Roselle-Olive constituents. These findings provide evidences that Roselle-Olive combination affords efficient antihypertensive effect with a broad end-organ protective influence. PMID- 29201277 TI - Pre-operative Endocrine Therapy. AB - Purpose of Review: Pre-operative endocrine therapy can be used to down-stage large or locally advanced breast cancers in ER+ disease. In the last four decades, it has evolved from a treatment perceived as an alternative to surgery for those too unfit to undergo surgery or chemotherapy, to the present day where it is a valuable and valid option in the treatment of postmenopausal women with ER-rich (Allred score 7-8, or > 50% staining for ER) breast cancer. Recent Findings: Emerging data from the metastatic setting is translating into neoadjuvant trials, utilising dual endocrine targeting or combinations of endocrine agents and other targeted drugs, including those acting against components of the PI3K pathway and the cell cycle. The routine use of peri operative endocrine therapy in all ER+ tumours may help to yield important long term prognostic information, and guide adjuvant endocrine therapy. Summary: Pre operative endocrine therapy is an exciting and evolving area with emerging new approaches. In this review, established evidence and emerging data on its applications are discussed. PMID- 29201278 TI - Axillary Nodal Staging with Contrast-Enhanced Ultrasound. AB - Purpose of Review: Axillary staging in the context of breast cancer is a contentious topic due to the varied practices across UK, Europe, and America. The ACOSOG Z0011 trial has questioned the role of axillary ultrasound in women with breast cancer. Published data has shown that women with ultrasound-positive lymph nodes have a worse prognosis than those with ultrasound-negative lymph nodes. Axillary ultrasound is limited as the sentinel lymph node (SLN) cannot be identified using B-mode ultrasound; however, with the advent of contrast-enhanced ultrasound (CEUS), this has now changed. Recent Findings: The published literature has shown that the sentinel lymph node can be identified using CEUS. The rates are equivalent to blue dye alone but currently inferior to the dual technique of sentinel lymph node biopsy. There are several different contrast agents that can be used and the agents that remain in the sentinel lymph node for longer can identify areas of poor enhancement, allowing for targeted biopsy. Summary: CEUS has the potential to revolutionize the way we manage the axilla in the future and may even replace surgical staging. PMID- 29201279 TI - MAPPING AGE EFFECTS ALONG FIBER TRACTS IN YOUNG ADULTS. AB - Brain development is a protracted and dynamic process. Many studies have charted the trajectory of white matter development, but here we sought to map these effects in greater detail, based on a large set of fiber tracts automatically extracted from HARDI (high angular resolution diffusion imaging) at 4 tesla. We used autoMATE (automated multi-atlas tract extraction) to extract diffusivity measures along 18 of the brain's major fiber bundles in 667 young adults, aged 18 30. We examined linear and non-linear age effects on diffusivity measures, pointwise along tracts. All diffusivity measures showed both linear and non linear age effects. Tracts with the most pronounced age effects were those that connected the temporal lobe to the rest of the brain. Nonlinear age effects were picked up strongly in the anterior corpus callosum and right temporo-parietal tracts. PMID- 29201280 TI - A NETWORK APPROACH TO EXAMINING INJURY SEVERITY IN PEDIATRIC TBI. AB - Traumatic brain injury (TBI) is the leading cause of death and disability in children, and can lead to long lasting functional impairment. Many factors influence outcome, but imaging studies examining effects of individual variables are limited by sample size. Roughly 20-40% of hospitalized TBI patients experience seizures, but not all of these patients go on to develop a recurrent seizure disorder. Here we examined differences in structural network connectivity in pediatric patients who had sustained a moderate-severe TBI (msTBI). We compared those who experienced early post-traumatic seizures to those who did not; we found network differences months after seizure activity stopped. We also examined correlations between network measures and a common measure of injury severity, the Glasgow Coma Scale (GCS). The global GCS score did not have a detectable relationship to brain integrity, but sub-scores of the GCS (eyes, motor, verbal) were more closely related to imaging measures. PMID- 29201281 TI - Graph theoretical approaches towards understanding differences in frontoparietal and default mode networks in Autism. AB - Autism Spectrum Disorder is a complex developmental disorder affecting 1 in 68 children in the United States. While the prevalence may be on the rise, we currently lack a firm understanding of the etiology of the disease, and diagnosis is made purely on behavioral observation and informant report. As one method to improve our understanding of the disease, the current study took a systems-level approach by assessing the causal interactions among the frontoparietal and default mode networks using structural covariance of a large Autism dataset. Although preliminary, we report diffuse yet subtle changes throughout these networks when comparing age and sex matched controls to ASD patients. PMID- 29201282 TI - THE IMPACT OF MATCHING FUNCTIONAL ON ATROPHY MEASUREMENT FROM GEODESIC SHOOTING IN DIFFEOMORPHISMS. AB - Longitudinal registration has been used to map brain atrophy and tissue loss patterns over time, in both healthy and demented subjects. However, we have not seen a thorough application of the geodesic shooting in diffeomorphisms framework for this task. The registration model is complex and several choices must be made that may significantly impact the quality of results. One of these decisions is which image matching functional should drive the registration. We investigate four matching functionals for atrophy quantification using geodesic shooting in diffeomorphisms. We check if the choice of matching functional has an impact on the correlation of atrophy scores with clinical variables. We also check the impact of matching functional choice on estimates of the N80 sample size for hypothetical clinical trials that test for slowing of brain atrophy. We find that the mutual information function, which has primarily been used for linear and multi-modal registration, achieves comparable correlation with clinical variables to other matching functionals while yielding better sample size estimates. PMID- 29201283 TI - A COMPARISON OF NETWORK DEFINITIONS FOR DETECTING SEX DIFFERENCES IN BRAIN CONNECTIVITY USING SUPPORT VECTOR MACHINES. AB - Human brain connectomics is a rapidly evolving area of research, using various methods to define connections or interactions between pairs of regions. Here we evaluate how the choice of (1) regions of interest, (2) definitions of a connection, and (3) normalization of connection weights to total brain connectivity and region size, affect our calculation of the structural connectome. Sex differences in the structural connectome have been established previously. We study how choices in reconstruction of the connectome affect our ability to classify subjects by sex using a support vector machine (SVM) classifier. The use of cluster-based regions led to higher accuracy in sex classification, compared to atlas-based regions. Sex classification was more accurate when based on finer cortical partitions and when using dilations of regions of interest prior to computing brain networks. PMID- 29201284 TI - APPROXIMATING PRINCIPAL GENETIC COMPONENTS OF SUBCORTICAL SHAPE. AB - Optimal representations of the genetic structure underlying complex neuroimaging phenotypes lie at the heart of our quest to discover the genetic code of the brain. Here, we suggest a strategy for achieving such a representation by decomposing the genetic covariance matrix of complex phenotypes into maximally heritable and genetically independent components. We show that such a representation can be approximated well with eigenvectors of the genetic covariance based on a large family study. Using 520 twin pairs from the QTIM dataset, we estimate 500 principal genetic components of 54,000 vertex-wise shape features representing fourteen subcortical regions. We show that our features maintain their desired properties in practice. Further, the genetic components are found to be significantly associated with the CLU and PICALM genes in an unrelated Alzheimer's Disease (AD) dataset. The same genes are not significantly associated with other volume and shape measures in this dataset. PMID- 29201285 TI - Familial Trigeminal Neuralgia Treated with Stereotactic Radiosurgery: A Case Report and Literature Review. AB - Background: Trigeminal neuralgia (TN) is a chronic pain condition characterized by brief episodes of lancinating pain in one or more distributions of the trigeminal nerve. Episodes of pain secondary to TN are triggered by certain stimuli, such as chewing, shaving, or touching the face. Although a common cause of TN is compression of the trigeminal nerve root entry zone by an artery or vein, many cases of TN are idiopathic. However, there have been limited reports in the literature of familial TN. Case Presentation: A 31-year-old male presented with classic TN symptoms in the right V1/V2 distribution that recently progressed to the V3 distribution a case of familial TN. His father an brother both have TN. Carbamazepine, oxcarbazepine, and rhizotomy did not improve his symptoms. He was treated with stereotactic radiosurgery (SRS) with a dose of 85 Gy delivered to the proximal trigeminal root with improvement in his pain. We also review and summarize the over 160 cases of familial TN found in the literature. Conclusions: This is the first reported case of familial TN treated with SRS. Patients with familial TN are more likely to have bilateral disease, to present with earlier onset, and to become refractory to medical therapy and may require more aggressive approaches. We propose that SRS is a good treatment approach for these patients. PMID- 29201286 TI - Ideal Parent Figure method in the treatment of complex posttraumatic stress disorder related to childhood trauma: a pilot study. AB - Background: There is a consensus within the trauma field for the necessity of a three-phase treatment programme for complex posttraumatic stress disorder (CPTSD). This pilot study focuses on the stabilisation phase, the goal of which is the development of psychological resources and the reduction of disabling symptoms. Objective: To test the efficacy of the Ideal Parent Figure (IPF) method as a stabilization treatment for CPTSD patients with a history of childhood trauma. Method: The sample was comprised of 17 adults with a history of childhood trauma concomitant with CPTSD symptoms consulting at a clinic in France. Participants enrolled in a 5-week psychotherapy programme based on the IPF method, a semi-structured visualization programme designed to treat attachment disturbances. Measures of DESNOS symptoms, psychological symptoms, quality of life, and adult attachment were administered pre- and posttreatment as well as at 8-month follow-up. Results: A significant decrease in symptom severity and attachment traumatization and a significant increase in quality of life were found, both with medium-to-large effect sizes. The 8-month follow-up assessment showed outcome stability. Conclusions: These results suggest that treating attachment disturbances directly with an approach akin to the Ideal Parent Figure method may lead to fast and stable improvement for individuals with CPTSD. PMID- 29201287 TI - Does size really matter? A multisite study assessing the latent structure of the proposed ICD-11 and DSM-5 diagnostic criteria for PTSD. AB - Background: Researchers and clinicians within the field of trauma have to choose between different diagnostic descriptions of posttraumatic stress disorder (PTSD) in the DSM-5 and the proposed ICD-11. Several studies support different competing models of the PTSD structure according to both diagnostic systems; however, findings show that the choice of diagnostic systems can affect the estimated prevalence rates. Objectives: The present study aimed to investigate the potential impact of using a large (i.e. the DSM-5) compared to a small (i.e. the ICD-11) diagnostic description of PTSD. In other words, does the size of PTSD really matter? Methods: The aim was investigated by examining differences in diagnostic rates between the two diagnostic systems and independently examining the model fit of the competing DSM-5 and ICD-11 models of PTSD across three trauma samples: university students (N = 4213), chronic pain patients (N = 573), and military personnel (N = 118). Results: Diagnostic rates of PTSD were significantly lower according to the proposed ICD-11 criteria in the university sample, but no significant differences were found for chronic pain patients and military personnel. The proposed ICD-11 three-factor model provided the best fit of the tested ICD-11 models across all samples, whereas the DSM-5 seven-factor Hybrid model provided the best fit in the university and pain samples, and the DSM-5 six-factor Anhedonia model provided the best fit in the military sample of the tested DSM-5 models. Conclusions: The advantages and disadvantages of using a broad or narrow set of symptoms for PTSD can be debated, however, this study demonstrated that choice of diagnostic system may influence the estimated PTSD rates both qualitatively and quantitatively. In the current described diagnostic criteria only the ICD-11 model can reflect the configuration of symptoms satisfactorily. Thus, size does matter when assessing PTSD. PMID- 29201288 TI - Cost-effectiveness analysis of ibrutinib in patients with Waldenstrom macroglobulinemia in Italy. AB - Background and Objective: Ibrutinib has recently been approved in Europe for Waldenstrom Macroglobulinemia (WM) in symptomatic patients who have received at least one prior therapy, or in first-line treatment for patients unsuitable for chemo-immunotherapy. The aim of the study is to estimate the incremental cost effectiveness ratio (ICER) of ibrutinib in relapse/refractory WM, compared with the Italian current therapeutic pathways (CTP). Methods: A Markov model was adapted for Italy considering the National Health System perspective. Input data from literature as well as global trials were used. The percentage use of therapies, and healthcare resources consumption were estimated according to expert panel advice. Drugs ex-factory prices and national tariffs were used for estimating costs. The model had a 15-year time horizon, with a 3.0% discount rate for both clinical and economic data. Deterministic and probabilistic sensitivity analyses were performed to test the results strength. Results: Ibrutinib resulted in increased Life Years Gained (LYGs) and increased costs compared to CTP, with an ICER of ?52,698/LYG. Sensitivity analyses confirmed the results of the BaseCase. Specifically, in the probabilistic analysis, at a willingness to pay threshold of ?60,000/LYG ibrutinib was cost-effective in 84% of simulations. Conclusions: Ibrutinib has demonstrated a positive cost-effectiveness profile in Italy. PMID- 29201289 TI - Evaluation of clinical variables according to follow-up times in COPD: results from ON-SINT cohort. AB - Background: COPD is a chronic disease traditionally associated with increased symptoms as lung function deteriorates. Follow-up times in previous cohort studies were limited to a few years. Interestingly, newer longer observational studies show a more comprehensive picture on disease progression over time. Therefore, the question on the relevancy of the follow-up time in cohort studies remains open. Methods: The ON-SINT study is an observational, retrospective, nationwide, real-life cohort study, in which patients diagnosed with COPD were recruited between December 2011 and April 2013 by primary care (PC) and secondary care (SC) physicians. Patients were evaluated at the inclusion visit and at the initial visit when the diagnosis of COPD was first established. Distribution of lung function decline over the years was studied comparing those cases with longer follow-up times, with the median of the distribution as the cutoff point. Results: The sample included 1214 patients of which 857 (70.6%) were recruited by PC and 357 (29.4%) by SC physicians. Median follow-up time was 6.26 years. Mean annual change in the complete cohort were -4.5 (222) ml year-1 for FVC and 5.5 (134) ml year-1 for FEV1. We confirm the variable distribution of FEV1 decline and found that longer follow-up periods reduce this variability. Of note, FEV1 decline was different between groups (shorter: 19.7 [180.4] vs longer: -9.7 [46.9]; p = 0.018). Further, our data revealed differences in the clinical presentation according to follow-up times, with special emphasis on dyspnea (OR: 1.035; 95%CI: 1.014-1.056), exacerbations (OR 1.172; 95%CI 1.045-1.315) and CAT scores (OR 1.047; 95%CI 1.019-1.075) being associated with longer follow-up times. Conclusions: This study describes the impact of follow-up periods on lung function variability, and reveals differences in clinical presentation according to follow-up times, with special emphasis on dyspnea, exacerbations and CAT scores. PMID- 29201290 TI - Ergospirometry with concurrent fibre optic laryngoscopy: a randomised crossover study. AB - Background: Patients suffering from exercise-induced laryngeal obstruction (EILO) are subjected to several exhausting tests. We aimed to assess the feasibility of using a single test to obtain diagnostic measurements for maximum oxygen uptake (VO2max) and exercise-induced laryngeal obstruction (EILO). Methods: Patients referred to the outpatient respiratory clinic at the University Hospital of Bispebjerg, Copenhagen with exercise-induced dyspnoea were evaluated for inclusion over 13 months. Eligible patients were aged 18-43 years, had a known EILO diagnosis (moderate or severe) and were inactive (self-reported activity) with less than 3 hours activity per week. In randomised order, all participants (n = 11) underwent three tests: a VO2max test with and without concurrent laryngoscopy. VO2max and EILO values from the two testing methods were compared. Findings: There was no difference in VO2max measured by ergospirometry with and without simultaneous continuous laryngoscopy during exercise (CLE) testing (mean difference -22 ml O2?min-1; 95% CI -125 to 81 ml O2?min-1; P = 0.647). EILO scores obtained during the CLE testing on the treadmill versus CLE testing on the ergometer bike revealed identical supraglottic scores in nine of the 11 participants (82%) with substantial agreement between the two types of test (x = 0.71). Glottic scores were identical in six of the 11 (55%), showing moderate agreement between test types (x = 0.38). Conclusions: Based on our findings in inactive individuals, ergospirometry with laryngoscopy is feasible and well tolerated, yielding measurements for maximal oxygen uptake comparable to those of standard bike ergospirometry. Likewise, measurements of supraglottic EILO are comparable to those of the standard treadmill CLE test. PMID- 29201291 TI - Long-term Results of Modified Salter Innominate Osteotomy for Legg-Calve-Perthes Disease. AB - Background: In a previous study, we reported clinical and radiographic results of our modified Salter innominate osteotomy technique in 16 hips affected by Legg Calve-Perthes disease (LCPD) with an average follow-up of 31.8 months. In this study, we present the long-term results of the osteotomy in LCPD patients followed until physeal closure. Methods: Thirty hips of 29 patients were followed until skeletal maturation after modified Salter innominate osteotomy. The mean follow-up duration was 12.9 years (range, 9.1 to 16.0 years). Eleven hips (36.7%) were classified as Catterall group III and 19 (63.3%) as Catterall group VI. Stable interposition of a bone block was achieved using one biodegradable screw in nine hips and without any fixation device in 21 hips by simply changing the direction of osteotomy. The Harris Hip Score (HHS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score, and hip function were evaluated at the last follow-up. Radiological outcomes were evaluated using Wiberg's center edge angle, the Mose method, and Stulberg classification, and osteoarthritic changes were evaluated using the Tonnis classification. Results: Mean HHS and WOMAC score were 80.2 points and 54 points, respectively, preoperatively and these were improved to 96.2 points and 28 points, respectively, at the last follow-up. Clinical results, according to Robinson's criteria, were good in 18, fair in seven, and poor in five hips. Radiological results assessed using the Mose method were good in 18, fair in six, and poor in six hips, and according to the Stulberg classification, nine hips were class I, nine were class II, eight were class III, and four were class IV. The mean center-edge angle improved from 19.7 degrees preoperatively to 29.6 degrees at the final follow-up. According the Tonnis classification, three hips were grade 2, five were grade 1, and 22 were grade 0. Of the three grade 2 hips, two underwent Chiari osteotomy 12.1 and 8.8 years postoperatively, and the other underwent total hip arthroplasty 12.9 years postoperatively. Conclusions: The modified Salter innominate osteotomy produced relatively satisfactory long-term clinical and radiological results. PMID- 29201292 TI - Factors Associated with the Risk of Articular Surface Perforation during Anchor Placement for Arthroscopic Acetabular Labral Repair. AB - Background: The purpose of this study was to evaluate factors associated with the risk of articular surface perforation during anchor placement for arthroscopic acetabular labral repair using follow-up computed tomographic arthrography (CTA). Methods: Forty-six patients (29 males and 17 females) underwent arthroscopic labral repair using 142 suture anchors (55 large anchors and 87 small anchors). The patients were followed with CTA 1 year postoperatively. Anchor position was assessed by the insertion angle and the distance of the suture anchor tip from the articular cartilage. The incidence of malposition of suture anchors was assessed in follow-up CTA. The location and incidence of malposition were compared between two groups divided according to the diameter of suture anchor. Results: The mean insertion angle and distance were significantly different between the groups. Of the 142 anchors, 15 (11%) were placed in the cartilage bone transitional zone. Articular involvement was most common at the 3 o'clock position of the suture anchor (six out of 33 anchors, 18.2%). Both the insertion angle and distance showed small values in the articular involvement group. Conclusions: The radiographic analysis of the placement of suture anchors after arthroscopic labral refixation based on follow-up CTA demonstrates that articular involvement of anchors is related to the location on the acetabular rim (clock position) and anchor diameter. PMID- 29201293 TI - Calcar Femorale in Patients with Osteoarthritis of the Hip Secondary to Developmental Dysplasia. AB - Background: We investigated whether the calcar femorale, a cortical septum in the region of the lesser trochanter of the femur, correlates with results of femoral stem implantation in patients with osteoarthritis of the hip secondary to developmental dysplasia using computed tomography. Methods: This retrospective study included 277 hips (41 males and 236 females; age, 37 to 92 years) of patients who had presented to Okayama Medical Center with hip pain. Of these, a total of 219 hips (31 males and 188 females) had previously undergone total hip arthroplasty. According to the Crowe classification, 147 hips were classified as Crowe grade I, 72 hips as Crowe grade II-IV, and 58 hips as normal. Results: The calcar femorale was identified in 267 hips (96.4%). The calcar femorale was significantly shorter and more anteverted in Crowe grade II-IV hips than in Crowe grade I or normal hips. Significant differences in the shape of the calcar femorale were found according to the severity of hip deformity. Three stem designs were analyzed: single-wedge (59 hips), double-wedge metaphyseal filling (147 hips), and modular (13 hips). Single-wedge stems were inserted more parallel to the calcar femorale rather than femoral neck anteversion, while other types of stems scraped the calcar femorale. Conclusions: The angle of the calcar femorale differs according to the severity of hip deformity, and the calcar femorale might thus serve as a more useful reference for stem insertion than femoral neck anteversion in total hip arthroplasty using a single-wedge stem. PMID- 29201294 TI - Trend in the Age-Adjusted Incidence of Hip Fractures in South Korea: Systematic Review. AB - Background: The incidence of hip fractures has been reported to vary geographically, and its trend has also varied widely. However, the trend in the age-adjusted incidence of hip fractures has not been well studied in Korea. After we identified eligible studies presenting multiple age-adjusted incidences of hip fractures in the Korean population in PubMed, we evaluated changes in the absolute number of occurrence and calculated the annual percentage change (APC) of age-adjusted incidences of hip fractures. Methods: We have searched PubMed for the original and English-language literature on the incidence of hip fractures in the Korean population published since 2000. The studies presenting multiple age adjusted incidences of hip fractures were selected. We evaluated the change in the absolute number of hip fractures and calculated the APC of age-adjusted incidences of hip fractures for each study. Results: Three eligible articles were identified. The absolute number of hip fractures for both genders increased over time in all three studies although the operational definition of hip fracture differed from one another. The APC of the age-adjusted incidence of hip fractures was positive for women and negative for men. However, the change was not statistically significant in both genders during each study period (2001-2004, 2005-2008, and 2006-2010, respectively). Conclusions: The age-adjusted incidence of hip fractures was stable among men and women, while the absolute number of hip fractures increased for both genders in Korea. Further studies with longer study periods on age-adjusted incidences are required to better determine the trend in the incidence of hip fractures in Korea. PMID- 29201295 TI - A Comparative Study of Clinical Outcomes and Second-Look Arthroscopic Findings between Remnant-Preserving Tibialis Tendon Allograft and Hamstring Tendon Autograft in Anterior Cruciate Ligament Reconstruction: Matched-Pair Design. AB - Background: This study aimed to compare stability, functional outcome, and second look arthroscopic findings after anterior cruciate ligament reconstruction between remnant-preserving tibialis tendon allograft and remnant-sacrificing hamstring tendon autograft. Methods: We matched two groups (remnant-preserving tibialis tendon allograft group and hamstring tendon autograft group) in terms of demographic characteristics, associated injury, and knee characteristics. Each group consisted of 25 patients. Results: Operation time was longer in the remnant preserving tibialis tendon allograft group, but there was no significant intergroup difference in stability, clinical outcome, and second-look arthroscopic findings. Conclusions: When an autograft is not feasible in anterior cruciate ligament reconstruction, the remnant-preserving technique can produce comparable results in terms of restoration of function, stability of the knee, and degree of synovium coverage at second-look arthroscopy compared to remnant sacrificing hamstring autograft. PMID- 29201296 TI - Predictors of Midterm Outcomes after Medial Unicompartmental Knee Arthroplasty in Asians. AB - Background: This study was designed to evaluate predictors of good outcomes following medial unicompartmental knee arthroplasty (UKA) in Asian patients. Methods: Registry data of patients who underwent primary unilateral medial UKA from 2006 to 2011 were collected. Outcomes studied were the Oxford Knee Score (OKS) and the Physical Component Score (PCS) of the Short Form 36 (SF-36) questionnaire. These outcome scores were collected prospectively, pre- and postoperatively up to 5 years. Good outcome was defined as an overall improvement in score greater than or equal to the minimal clinically important difference (MCID). The MCID for the OKS was 5 while the MCID for the PCS was 10. Regression analysis was used to identify predictors of good outcomes following medial UKA. Results: Primary medial UKA was performed in 1,075 patients. Higher (poorer) preoperative OKS (odds ratio [OR], 1.27; p < 0.001), lower (poorer) preoperative PCS (OR, 1.08; p < 0.001), lower (poorer) preoperative Knee Society Knee Score (KSKS; OR, 1.02; p < 0.001) and higher (better) preoperative SF-36 Mental Component Score (MCS; OR, 1.02; p < 0.001) were significant predictors of good outcomes. Conclusions: Patients with poorer OKS, PCS and KSKS and better SF-36 MCS preoperatively tended to achieve good outcomes by the MCID criterion at 5 years following the index surgery. PMID- 29201297 TI - A Randomized, Multicenter, Phase III Trial to Evaluate the Efficacy and Safety of Polmacoxib Compared with Celecoxib and Placebo for Patients with Osteoarthritis. AB - Background: The aim of this study was to evaluate the safety and analgesic efficacy of polmacoxib 2 mg versus placebo in a superiority comparison or versus celecoxib 200 mg in a noninferiority comparison in patients with osteoarthritis (OA). Methods: This study was a 6-week, phase III, randomized, double-blind, and parallel-group trial followed by an 18-week, single arm, open-label extension. Of the 441 patients with knee or hip OA screened, 362 were randomized; 324 completed 6 weeks of treatment and 220 completed the extension. Patients were randomized to receive oral polmacoxib 2 mg (n = 146), celecoxib 200 mg (n = 145), or placebo (n = 71) once daily for 6 weeks. During the extension, all participants received open-label polmacoxib 2 mg. The primary endpoint was the change in Western Ontario and McMaster Universities (WOMAC)-pain subscale score from baseline to week 6. Secondary endpoints included WOMAC-OA Index, OA subscales (pain, stiffness, and physical function) and Physician's and Subject's Global Assessments at weeks 3 and 6. Other outcome measures included adverse events (AEs), laboratory tests, vital signs, electrocardiograms, and physical examinations. Results: After 6 weeks, the polmacoxib-placebo treatment difference was -2.5 (95% confidence interval [CI], -4.4 to -0.6; p = 0.011) and the polmacoxib-celecoxib treatment difference was 0.6 (CI, -0.9 to 2.2; p = 0.425). According to Physician's Global Assessments, more subjects were "much improved" at week 3 with polmacoxib than with celecoxib or placebo. Gastrointestinal and general disorder AEs occurred with a greater frequency with polmacoxib or celecoxib than with placebo. Conclusions: Polmacoxib 2 mg was relatively well tolerated and demonstrated efficacy superior to placebo and noninferior to celecoxib after 6 weeks of treatment in patients with OA. The results obtained during the 18-week trial extension with polmacoxib 2 mg were consistent with those observed during the 6-week treatment period, indicating that polmacoxib can be considered safe for long-term use based on this relatively small scale of study in a Korean population. More importantly, the results of this study showed that polmacoxib has the potential to be used as a pain relief drug with reduced gastrointestinal side effects compared to traditional nonsteroidal anti inflammatory drugs for OA. PMID- 29201298 TI - Lateralization of Tibial Plateau Reference Point Improves Accuracy of Tibial Resection in Total Knee Arthroplasty in Patients with Proximal Tibia Vara. AB - Background: The tibial cut referenced to the center of the intercondylar eminence often leads to varus malalignment in the presence of preexisting proximal tibia vara. The purpose of this study was to investigate the effect of lateralization of the lateral tibial plateau reference point (based on the amount of proximal tibia vara) on the postoperative coronal plane alignment. Methods: In this prospective cohort study, 62 patients (95 knees) with osteoarthritis and proximal tibia vara underwent primary total knee arthroplasty using a lateral tibial plateau reference point for the extramedullary jig. The pre- and postoperative radiographs were obtained for measurement of mechanical axis deviation, degree of tibia vara, proximal lateral reference point of the tibial condyle, and coronal alignment of the femoral and tibial components. The distance between the tibial reference point and the center of the intercondylar eminence was measured intraoperatively. Results: The mean tibia vara was 7.1 degrees (standard deviation [SD], 2.3 degrees ). The mean lateral displacement of the reference point was 7 mm (SD, 2.2 mm). Postoperative tibiofemoral angle was 6 degrees to 10 degrees of valgus in 94% of cases. There was a strong correlation between the magnitude of tibia vara and the amount of lateralization of the tibial reference point (R2 = 0.79, p < 0.001). Conclusions: In total knee arthroplasty patients with proximal tibia vara, reasonable accuracy can be achieved with use of the extramedullary jig for tibial component alignment by lateralizing the proximal tibial reference point. PMID- 29201299 TI - The Relationship between Superior Disc-Endplate Complex Injury and Correction Loss in Young Adult Patients with Thoracolumbar Stable Burst Fracture. AB - Background: To determine the relationship between superior disc-endplate complex injury and correction loss after surgery in a group of young adult patients with a stable thoracolumbar burst fracture. Methods: The study group was comprised of young adult patients who had undergone short-segment posterior fixation and bone grafting under the diagnosis of a stable thoracolumbar burst fracture from March 2008 to February 2014. Follow-up was available for more than 1 year. Before surgery, magnetic resonance imaging was performed to determine injury to the anterior longitudinal ligament, posterior longitudinal ligament, and superior and inferior intervertebral discs and endplates. Correction loss was evaluated by the Cobb angle, intervertebral disc height, upper intervertebral disc angle, vertebral wedge angle, and vertebral body height. Results: No significant relation was noted between correction loss and an injury to the anterior longitudinal ligament, posterior longitudinal ligament, inferior intervertebral disc/endplate, and fracture site, whereas an injury to the superior endplate alone and superior disc-endplate complex showed a significant association. Specifically, a superior intervertebral disc-endplate complex injury showed statistically significant relation to postoperative changes in Cobb angle (p = 0.026) and vertebral wedge angle (p = 0.047). Conclusions: A superior intervertebral disc-endplate complex injury may have an influence on the prognosis after short-segment fixation in young adult patients with a stable thoracolumbar burst fracture. PMID- 29201300 TI - The Validation of Ultrasound-Guided Target Segment Identification in Thoracic Spine as Confirmed by Fluoroscopy. AB - Background: The role of ultrasound in the thoracic spine has been underappreciated, partly because of the relative efficacy of the landmark-guided technique and the limitation of imaging through the narrow acoustic windows produced by the bony framework of thoracic spine. The aim of this study was to make a comparison between the 12th rib and the spinous process of C7 as a landmark for effective ultrasound-guided target segment identification in the thoracic spine. Methods: Ultrasonography of 44 thoracic spines was performed and the same procedure was carried out 1 week later again. The target segments (T3-4, T7-8, and T10-11) were identified using the 12th rib (group 1) or the spinous process of C7 (group 2) as a starting landmark. Ultrasound scanning was done proximally (group 1) or distally (group 2) toward the target transverse process and further medially and slightly superior to the target thoracic facet. Then, a metal marker was placed on the T3-4, T7-8, and T10-11 and the location of each marker was confirmed by fluoroscopy. Results: In the total 132 segments, sonographic identification was confirmed to be successful with fluoroscopy in 84.1% in group 1 and 56.8% in group 2. Group 1 had a greater success rate in ultrasound-guided target segment identification than group 2 (p = 0.001), especially in T10-11 (group 1, 93.2%; group 2, 43.2%; p = 0.001) and T7-8 (group 1, 86.4%; group 2, 56.8%; p = 0.002). The intrarater reliability of ultrasound guided target segment identification was good (group 1, r = 0.76; group 2, r = 0.82), showing no difference between right and left sides. Ultrasound-guided target segment identification was more effective in the non-obese subjects (p = 0.001), especially in group 1. Conclusions: Ultrasound-guided detection using the 12th rib as a starting landmark for scanning could be a promising technique for successful target segment identification in the thoracic spine. PMID- 29201301 TI - Effects of Different Angles of the Traction Table on Lumbar Spine Ligaments: A Finite Element Study. AB - Background: The traction bed is a noninvasive device for treating lower back pain caused by herniated intervertebral discs. In this study, we investigated the impact of the traction bed on the lower back as a means of increasing the disc height and creating a gap between facet joints. Methods: Computed tomography (CT) images were obtained from a female volunteer and a three-dimensional (3D) model was created using software package MIMICs 17.0. Afterwards, the 3D model was analyzed in an analytical software (Abaqus 6.14). The study was conducted under the following traction loads: 25%, 45%, 55%, and 85% of the whole body weight in different angles. Results: Results indicated that the loading angle in the L3-4 area had 36.8%, 57.4%, 55.32%, 49.8%, and 52.15% effect on the anterior longitudinal ligament, posterior longitudinal ligament, intertransverse ligament, interspinous ligament, and supraspinous ligament, respectively. The respective values for the L4-5 area were 32.3%, 10.6%, 53.4%, 56.58%, and 57.35%. Also, the body weight had 63.2%, 42.6%, 44.68%, 50.2%, and 47.85% effect on the anterior longitudinal ligament, posterior longitudinal ligament, intertransverse ligament, interspinous ligament, and supraspinous ligament, respectively. The respective values for the L4-5 area were 67.7%, 89.4%, 46.6%, 43.42% and 42.65%. The authenticity of results was checked by comparing with the experimental data. Conclusions: The results show that traction beds are highly effective for disc movement and lower back pain relief. Also, an optimal angle for traction can be obtained in a 3D model analysis using CT or magnetic resonance imaging images. The optimal angle would be different for different patients and thus should be determined based on the decreased height of the intervertebral disc, weight and height of patients. PMID- 29201302 TI - Antibiotic Spacers in Shoulder Arthroplasty: Comparison of Stemmed and Stemless Implants. AB - Background: Antibiotic spacers in shoulder periprosthetic joint infection deliver antibiotics locally and provide temporary stability. The purpose of this study was to evaluate differences between stemmed and stemless spacers. Methods: All spacers placed from 2011 to 2013 were identified. Stemless spacers were made by creating a spherical ball of cement placed in the joint space. Stemmed spacers had some portion in the humeral canal. Operative time, complications, reimplantation, reinfection, and range of motion were analyzed. Results: There were 37 spacers placed: 22 were stemless and 15 were stemmed. The stemless spacer population was older (70.9 +/- 7.8 years vs. 62.8 +/- 8.4 years, p = 0.006). The groups had a similar percentage of each gender (stemless group, 45% male vs. stemmed group, 40% male; p = 0.742), body mass index (stemless group, 29.1 +/- 6.4 kg/m2 vs. stemmed group, 31.5 +/- 8.3 kg/m2; p = 0.354) and Charlson Comorbidity Index (stemless group, 4.2 +/- 1.2 vs. stemmed group, 4.2 +/- 1.7; p = 0.958). Operative time was similar (stemless group, 127.5 +/- 37.1 minutes vs. stemmed group, 130.5 +/- 39.4 minutes). Two stemless group patients had self resolving radial nerve palsies. Within the stemless group, 15 of 22 (68.2%) underwent reimplantation with 14 of 15 having forward elevation of 109 degrees +/- 23 degrees . Within the stemmed group, 12 of 15 (80.0%, p = 0.427) underwent reimplantation with 8 of 12 having forward elevation of 94 degrees +/- 43 degrees (range, 30 degrees to 150 degrees ; p = 0.300). Two stemmed group patients had axillary nerve palsies, one of which self-resolved but the other did not. One patient sustained dislocation of reverse shoulder arthroplasty after reimplantation. One stemless group patient required an open reduction and glenosphere exchange of dislocated reverse shoulder arthroplasty at 6 weeks after reimplantation. Conclusions: Stemmed and stemless spacers had similar clinical outcomes. When analyzing all antibiotic spacers, over 70% were converted to revision arthroplasties. The results of this study do not suggest superiority of either stemmed or stemless antibiotic spacers. PMID- 29201303 TI - Bridging Graft in Irreparable Massive Rotator Cuff Tears: Autogenic Biceps Graft versus Allogenic Dermal Patch Graft. AB - Background: Few comparative studies have reported on the use of biologic grafts for irreparable massive rotator cuff tears. The purpose of this study was to assess the results of arthroscopic bridging graft in irreparable massive rotator cuff tears using an autogenic long head of biceps tendon (LHBT) or an allogenic dermal patch (ADP). Methods: We retrospectively reviewed 24 patients treated using the LHBT (group I) and eight patients with complete rupture of the LHBT treated using an ADP (group II) since 2011. Preoperative Goutallier's fatty degeneration, range of motion (ROM), visual analogue scale (VAS) for pain, American Shoulder and Elbow Surgeons (ASES) score, and Quick Disabilities of the Arm, Shoulder, and Hand (DASH) score were assessed and healing failure was evaluated at 1 year after surgery by ultrasonography or magnetic resonance imaging. Results: The mean fatty degeneration in groups I and II was 3.9 and 3.6 for the supraspinatus (p = 0.288), 2.7 and 2.9 for the infraspinatus (p = 0.685), 0.9 and 1.3 for the subscapularis (p = 0.314), and 1.3 and 3.0 for the teres minor (p = 0.005), respectively. Subscapularis tears were found in 8 patients (33.3%) in group I and in 7 patients (87.5%) in group II (p = 0.023). Mean ROMs and functional scores improved significantly in group I (forward flexion: 121.7 degrees to 153.3 degrees , p = 0.010; external rotation: 32.7 degrees to 52.7 degrees , p = 0.001; external rotation at 90 degrees : 63.3 degrees to 74.5 degrees , p = 0.031; internal rotation: T10.5 to T9.3, p = 0.045; VAS: 7.0 to 1.1, p < 0.001; ASES score: 45.4 to 81.6, p = 0.028; and Quick DASH score: 50.0 to 14.2, p = 0.017), whereas only VAS showed significant improvement in group II (from 5.9 to 2.0, p = 0.025) and ROMs and other functional scores increased without statistical significance in the group. Healing failure was found in 13 patients (54.2%) in group I and in 6 patients (75.0%) in group II (p = 0.404). Conclusions: The surgeon should prudently choose surgical options for irreparable massive rotator cuff tears, especially in patients with severe fatty degeneration in the teres minor or combined biceps and subscapularis tears. PMID- 29201304 TI - Minimally Invasive Plate Osteosynthesis Using a Screw Compression Method for Treatment of Humeral Shaft Fractures. AB - Background: This study aims to compare the surgical outcomes of open reduction and internal fixation (ORIF) and minimally invasive plate osteosynthesis (MIPO) using a screw compression method in simple humeral shaft fractures. Methods: This retrospective study was performed with 50 patients who had surgical interventions for the treatment of simple humeral shaft fractures and had follow-ups of at least 12 months in Ulsan University Hospital between August 2008 and June 2015. Group 1 included 23 patients treated with ORIF and group 2 included 27 patients treated with the MIPO technique using a locking screw plate. The time to clinical/radiographic union, the joint range of motion (ROM), and function were evaluated. Results: The average time to clinical/radiographic bone union was shorter in group 2 (12.0 +/- 3.7 weeks/14.8 +/- 2.0 weeks in group 1 and 9.4 +/- 1.3 weeks/12.0 +/- 3.3 weeks in group 2; p = 0.022/p = 0.034). Shoulder and elbow joint function evaluated by joint ROM and visual analogue scale (VAS), Korean Shoulder Elbow Society (KSS), American Shoulder and Elbow Surgeons (ASES), and the University of California at Los Angeles (UCLA) scores was excellent in both groups. On the average shoulder ROM at 12 months after the operation, group 1 had forward elevation of 160 degrees , external rotation of 30 degrees in adduction and lumbar vertebra 10 level in internal rotation and group 2 had forward elevation of 170 degrees , external rotation of 35 degrees in adduction and lumbar vertebra 9 level in internal rotation. The mean VAS, KSS, ASES, and UCLA scores were 2.8, 87.0 +/- 0.9, 89.4 +/- 0.9, and 31.0 +/- 1.4, respectively, in group 1 and 1.7, 89.1 +/- 2.7, 91.0 +/- 1.6, and 32.4 +/- 3.2, respectively, in group 2. There were statistically significant intergroup differences in VAS score (p = 0.011). There were significantly less postoperative infections in group 2 (three cases, 10.7% in group 1 and 0 case in group 2; p = 0.041) although all of them were superficial infections and well-treated by an average 4-week course of antibiotics (range, 2 to 6 weeks). Conclusions: MIPO using a screw compression method in simple humeral shaft fractures demonstrated superior efficacy to ORIF in terms of the time to clinical/radiographic union, pain score, and postoperative infection rate. PMID- 29201305 TI - Biomechanical Comparison Study of Three Fixation Methods for Proximal Chevron Osteotomy of the First Metatarsal in Hallux Valgus. AB - Background: Fixation of proximal chevron metatarsal osteotomy has been accomplished using K-wires traditionally and with a locking plate recently. However, both methods have many disadvantages. Hence, we developed an intramedullary fixation technique using headless cannulated screws and conducted a biomechanical study to evaluate the superiority of the technique to K-wire and locking plate fixations. Methods: Proximal chevron metatarsal osteotomy was performed on 30 synthetic metatarsal models using three fixation techniques. Specimens in group I were fixated with K-wires (1.6 mm * 2) and in group II with headless cannulated screws (3.0 mm * 2) distally through the intramedullary canal. Specimens in group III were fixated with a locking X-shaped plate (1.3-mm thick) and screws (2.5 mm * 4). Eight metatarsal specimens were selected from each group for walking fatigue test. Bending stiffness and dorsal angulation were measured by 1,000 repetitions of a cantilever bending protocol in a plantar to dorsal direction. The remaining two samples from each group were subjected to 5 mm per minute axial loading to assess the maximal loading tolerance. Results: All samples in group I failed walking fatigue test while group II and group III tolerated the walking fatigue test. Group II showed greater resistance to bending force and smaller dorsal angulation than group III (p = 0.001). On the axial loading test, group I and group II demonstrated superior maximum tolerance to group III (54.8 N vs. 47.2 N vs. 28.3 N). Conclusions: Authors have demonstrated proximal chevron metatarsal osteotomy with intramedullary screw fixation provides superior biomechanical stability to locking plate and K-wire fixations. The new technique using intramedullary screw fixation can offer robust fixation and may lead to better outcomes in surgical treatment of hallux valgus. PMID- 29201306 TI - Analysis of Radiographic Parameters of the Forearm in Traumatic Radial Head Dislocation. AB - Background: Various deformities can occur in the forearm bones when the traumatically dislocated radial head is untreated for a long period. Without correction of all deformities, reduction of the dislocated radial head is difficult to maintain, and forearm and elbow motion will deteriorate after reduction. We evaluated radiographic parameters of forearms with traumatically dislocated radial heads (and of the normal sides) to understand the resulting deformities and the effectiveness of surgical treatment. Methods: We analyzed pre and postoperative anteroposterior and lateral radiographs of 22 forearms (22 patients) with traumatic radial head dislocation. We divided the forearm into three equal parts and measured various morphological parameters. All patients underwent surgical treatment and evaluation of radial head reduction and range of motion pre- and postoperatively. Results: Before treatment, the middle of the ulna was significantly different from the unaffected side in both anteroposterior and lateral views. After surgery, the proximal ulna was significantly different from the unaffected side and the abnormal proximal radial neck angle persisted. The radial head was successfully reduced in 20 of 22 cases. Overall, the mean range of motion decreased after surgery, except for increased flexion-extension. Conclusions: Complicated deformities developing during long-term remodeling after injury indicate that stable reduction is difficult to achieve with conventional one-bone osteotomy. Even after successful reduction, secondary deformity in the proximal ulna and/or remaining deformity in the proximal radius can hinder forearm rotation. PMID- 29201307 TI - Ischiofemoral Impingement Syndrome: Outcomes of Endoscopic Resection of the Lesser Trochanter. AB - Ischiofemoral impingement syndrome is a rare clinical entity characterized by chronic groin, buttock or hip pain associated with radiographic evidence of narrowing of the space between the lesser femoral trochanter and the ischial tuberosity. Introduction of magnetic resonance imaging to the clinical practice as well as the establishment of the radiological definition of the abnormal ischiofemoral distance has led to an increasing interest in this condition. Ischiofemoral impingement syndrome is a poorly understood disorder of chronic pain, especially regarding its treatment. The authors present two cases of primary ischiofemoral impingement syndrome successfully treated with a minimally invasive surgical technique. With this endoscopic technique, it was possible to resect the lesser trochanter and restore the ischiofemoral space. Immediate clinical and functional improvement was reported by both patients. PMID- 29201308 TI - A Rare Case of Intra-Articular Displacement of EndoButton Following Anterior Cruciate Ligament Reconstruction. AB - The EndoButton is a commonly used device for femoral fixation of anterior cruciate ligament grafts. Complications from its usage remain rare. Incorrect femoral tunnel placement may increase the risk of intra-articular displacement of the EndoButton. We present a case of anterior femoral tunnel placement resulting in intra-articular displacement of the EndoButton after failure. A 24-year-old man presented to us after failure of anterior cruciate ligament reconstruction performed 3 years prior. Radiographs revealed an intra-articular displacement of the EndoButton. Intraoperatively, it was noted that the femoral tunnel exit was within the suprapatellar pouch, with the displaced EndoButton lodged between the posterior aspect of the lateral tibial plateau and the capsule. Intra-articular displacement of the EndoButton is a rare complication and has only been reported twice in the literature. Anterior placement of the femoral tunnel may predispose patients to this complication and it is recommended to check the EndoButton position intraoperatively to avoid such a complication, especially for the unexperienced surgeon. PMID- 29201309 TI - Little Leaguer's Shoulder Can Cause Severe Three-Dimensional Humeral Deformity. AB - We analyzed three-dimensional (3D) humeral deformity (valgus-varus, flexion extension, and rotational deformation) after little leaguer's shoulder using 3D computed tomography in a 15-year-old male baseball player. Humeral retroversion was increased by 27.1 degrees on the dominant side compared with the nondominant side. Compared with the nondominant shaft, the dominant humeral shaft was deformed in the varus direction (9.4 degrees ), resulting in a decreased neck shaft angle (dominant side, 127.5 degrees ; nondominant side, 135.1 degrees ), and it was also deformed in the extension direction (21.0 degrees ). This case demonstrates that little leaguer's shoulder can cause markedly greater humeral retroversion than has been reported previously and can result in varus and extension deformation of the humerus. These findings suggest that humeral deformity in overhead throwing athletes may not always solely reflect adaptation to throwing. PMID- 29201310 TI - A Neglected Markedly Displaced Medial Epicondyle Fracture with Simultaneous Ulnar Nerve Palsy in an Adolescent. AB - Humeral medial epicondyle fractures constitute around 15% of pediatric elbow fractures. Up to 60% occur in association with elbow dislocations. Knowledge of potential imaging pitfalls when examining acute elbow fractures in children contributes significantly to accurate diagnosis. Nevertheless, management of missed pediatric medial epicondyle fractures has rarely been reported. We present an 11-year-old boy with a neglected and severely displaced medial epicondyle fracture with concurrent ulnar nerve palsy. We performed neural decompression, fragment excision, and muscular and capsuloligamentous reconstruction of the medial elbow. This study demonstrates that the surgical outcome of a late presenting fracture can be satisfactory in terms of function and neural recovery. It also underscores the importance of careful interpretation of elbow imaging including normal anatomic variants. PMID- 29201311 TI - Synovial Sarcoma Complicating Total Knee Arthroplasty. AB - Synovial sarcoma is a relatively common periarticular soft tissue malignancy, occurring mostly in the extremities of younger patients. Occasionally, diversity in its clinical features may lead to misdiagnosis and inappropriate management. The authors report herein a unique case of a patient who underwent a primary total knee arthroplasty to treat osteoarthritis. During the operation, a mass was discovered but was attributed to synovitis. Biopsy revealed a rare intra articular synovial sarcoma. The patient underwent reoperation with wide excision and endoprosthesis placement and is disease-free at the 8-year follow-up. PMID- 29201312 TI - Promising role for Gc-MAF in cancer immunotherapy: from bench to bedside. AB - Immunotherapy has been used for years in many types of cancer therapy. Recently, cancer immunotherapy has focused on mechanisms which can enhance the development of cell-mediated immunity. Anticancer medications are administered to inhibit immunosuppressive factors such as nagalase enzyme, which is produced by neoplastic cells and destroys macrophage activating factor (Gc-MAF). Anti neoplastics medications can also enhance immune-cell activity against tumors. Such medications show great potential in cancer immunotherapy using natural human mechanisms against neoplasms. PMID- 29201313 TI - Hearing loss in Iranian thalassemia major patients treated with deferoxamine: A systematic review and meta-analysis. AB - Background: Hearing disorders are reported in thalassemia patients treated with deferoxamine. This study aimed to assess hearing loss in Iranian thalassemia major patients treated with deferoxamine. Methods: This review article was designed based on PRISMA guidelines. To review the literature, two researchers studied national and international databases including Iranmedex, Magiran, Medlib, SID, Scopus, PubMed, Science Direct, Web of Science and Google Scholar without time limit until May 2017. Cochran's Q test and I2 index were used to assess the heterogeneity of the studies. The data were analyzed using Comprehensive Meta-Analysis software version 2 and p<0.05 was considered significant. Results: A total of 17 articles involving 1,835 Iranian thalassemia major patients treated with deferoxamine were included in the meta-analysis. The overall prevalence of hearing loss was estimated 27.3% (95% confidence intervals (CI): 19-37.6). The prevalence of sensorineural, conductive and mixed hearing loss was estimated 10.6% (95% CI: 5.7-18.8), 14.6% (95% CI: 10.5-20.6) and 9.1% (95% CI: 5.6-14.6), respectively. No significant differences were noted regarding the relationship hearing loss and mean serum ferritin (P=0.29) and average daily deferoxamine (P=0.30). Meta-regression model showed an increased significance in the prevalence of hearing loss based on the year of studies (p<0.0001). Conclusions: There is a high prevalence of hearing loss in Iranian thalassemia major patients treated with deferoxamine. Therefore, periodic hearing assessments and regular check-ups after the initiation of chelation therapy are necessary. PMID- 29201314 TI - Serum albumin level as an indicator of response to Hepatitis B vaccination in dialysis patients: A systematic review and meta-analysis. AB - Background: Hepatitis B (HB) vaccination is a recommended procedure in all dialysis patients, but its efficacy has not been perfect. In the current study, we aimed to conduct a comprehensive review of the literature to find and pool data of the randomized trials evaluating the impact of serum albumin levels on the immunogenicity of HB vaccination in dialysis patients. Methods: Literature searches were conducted by the Medline and Google Scholar. The key words used included 'Hepatitis B', 'Vaccine', 'Dialysis', 'Hemodialysis', and 'Albumin'. Data of serum albumin levels regarding seroresponse to HB vaccine in clinical trials have been achieved and analyzed. Finally, data from 17 clinical trials have been pooled and analyzed. Results: One thousand six hundred eighty-two dialysis patients (1212 seroconverted) were included in the meta-analysis. Analysis of response to HB vaccination in our dialysis population showed a significant relationship to their serum albumin levels (p<0.001, z= 5.23). Regarding the dialysis mode, serum albumin level was only a significant interfering factor in hemodialysis patients versus continuous ambulatory peritoneal dialysis (CAPD) (HD group: p<0.001, I2=88.5%, chi2=95.28 (d.f. = 11); CAPD (+/-HD) group: chi2= 2.21; P=0.697, I2= 0%, d.f.= 4). Conclusion: The data showed a significant effect for the levels of serum albumin on the immunogenicity of HB vaccine in dialysis patients. Moreover, stratification of data upon dialysis mode showed that this association is only available for hemodialysis patients, and not those on peritoneal dialysis. PMID- 29201315 TI - A stochastic mathematical model of avascular tumor growth patterns and its treatment by means of noises. AB - Due to the rate increase in cancer incidence, many researchers in different fields have been conducting studies on cancer-related phenomena. Most studies are conducted to focus on cellular and molecular aspects of cancerous diseases and treatment strategies. Physicists have been using mathematical modeling and simulation to explain the growth pattern of tumors. Although most published studies in this area still have not gained the needed maturity for "treating cancer", research has helped with the statistical laws of growth, predation and proliferation of cancer cells. In this review, a brief explanation of mathematical models for tumor growth is presented, followed by a discussion on treatment simulations, introducing white noise as one of the clinical remedies in the original model. PMID- 29201316 TI - Three cycles of AC chemotherapy regimen increased oxidative stress in breast cancer patients: A clinical hint. AB - Background: Recent studies have suggested the importance of oxidant/antioxidant status in initiation and progression of breast cancer. The aim of this study was to evaluate oxidative stress markers in breast cancer patients before and after 3 cycles of chemotherapy with adriamycin and cytoxan (AC). Also, in this study the effect of age and the stage of disease on oxidative stress markers were compared and evaluated. Methods: This study included 60 women with newly diagnosed stage II-III breast cancer who underwent chemotherapy with AC as the therapy-first strategy after surgery. Serum samples were obtained before treatment and after the third chemotherapy. Then, serum total antioxidant status (TAS) and malondialdehyde (MDA) as lipid peroxidation marker were analyzed. Moreover, the effects of the subject's age and clinical disease stage were investigated. Results: A concurrent significant increase in MDA (p<0.001) and a significant decrease in TAS (p<0.001) were also observed after 3 cycles of AC chemotherapy. In addition, some changes were found in the status of oxidative stress markers which were associated with age and clinical disease stage. Conclusion: Our data indicated that chemotherapy with AC increase the oxidative stress in breast cancer patients. The present study indicated that higher stages of the breast cancer are associated with significant increases of oxidative stress markers. PMID- 29201317 TI - Nailfold capillaroscopy in 430 patients with rheumatoid arthritis. AB - Background: Microvascular changes are one of the first obvious steps in numerous inflammatory diseases such as rheumatoid arthritis (RA). Nailfold video capillaroscopy (NFC) is an easy, reliable and safe method for evaluating peripheral microangiopathy. The objective of this study was to examine nailfold microcirculation in RA patients, assess morphological and structural changes quantitatively and qualitatively, and recognize useful changes. Methods: A total of 430 patients diagnosed with RA were examined in a period of 4 years. NFC was performed on all fingers of both hands in each patient. Different parameters indicating microvascular changes were detected and analyzed; such as microvascular architecture, capillary distribution disturbances, capillary morphology, capillary density, efferent/afferent limb ratio, subpapillary venular plexus and morphological abnormalities. The obtained results were categorized into normal pattern, nonspecific morphological abnormality and scleroderma pattern. Results: The mean age of participants was 51.03+/-14.54 (19-87 years) that consisted of 359 females and 71 males. Based on the findings, angiogenesis (74.7%) was the most pathological condition observed after tortuosity (99.5%). 7.2% and 20.9% of patients were categorized into normal and scleroderma pattern group, respectively. Among morphological abnormalities, angiogenesis, isolated enlarged loop, irregular enlarged loop and architectural derangement were significantly more frequent in scleroderma than normal pattern (p<0.001). Conclusion: NFC may play an important role in monitoring RA disease and patients' follow-up. Therefore, in our opinion it could be considered in the course and follow-up of rheumatoid arthritis. PMID- 29201318 TI - Antibiotic resistance status and its costs in hematological patients: A two-year analysis. AB - Background: Most frequently, empirical antibiotic therapy is immediately administered for patients with febrile neutropenia (FN). In this study, its aim was to assess the antibiotic resistance status and the cost of antibacterial agents in FN patients associated with hematological malignancies. Methods: The cost of antibacterial agents used in FN episodes in patients with hematologic neoplasms followed-up at the Department of Hematology from November 2010 to November 2012 were analyzed retrospectively. Results: In the study period, 15 of 141 patients who were admitted to the hematology ward and ineligible for the study criteria were excluded. In total, 282 febrile episodes of 126 consecutive patients with neutropenia were retrospectively investigated. Imipenem was found to be the most commonly used among the antibacterial drugs as 1.16 patient daily dose (PDD)/100 patient-days, 117.16 is the mean defined daily dose (DDD) per month and US $73264.66 total cost per year, followed by meropenem, cefoperazone sulbactam, and linezolid. Conclusion: Choosing noncarbapenem-based antibacterial therapy for empirical treatment of FN until the growth of microorganisms and switching to carbapenem therapy subsequent to new radiological, or microbiological, or/ and clinical findings, the appropriate vancomycin use may decrease the cost of antibacterial agents in the treatment of FN episodes in patients with hematologic malignancies contributing to antimicrobial stewardship. PMID- 29201319 TI - Potential drug-drug interactions among hospitalized patients in a developing country. AB - Background: Drug-drug interactions (DDIs) may often lead to preventable adverse drug events and health damage. Particularly in hospitals, this might be an important factor as multiple drug therapies are common. The objective of this study was to identify the frequency and levels of potential DDIs in internal medicine wards in an Iranian university hospital. Methods: A cross-sectional study was conducted by reviewing charts of 448 hospitalized patients in internal medicine wards of a teaching hospital, from November 2014 to May 2015. "Lexicomp drug interaction software" and Micromedex Drug-Reax system were used for screening the potential DDIs. The identified DDIs were categorized by level of severity. Logistic regression was applied to determine the odds ratio for specific risk factors of potential DDIs e.g., age, gender, hospital stay and number of medications. Results: The mean age of patients was 61 years, the length of hospital stay for patients was 9 days and the number of drugs per patient was 9. Potential interactions were detected in 386 patients. The most common types of interactions were type C (78.6%), moderate (60.9%) and delayed onset (56.5%). There was a significant association of the occurrence of potential DDIs with seven or more numbers of prescribed medications (OR: 0.048, 95% CI:0.02-0.12, p<0.0001). Conclusion: The present study has recorded a high prevalence of potential DDIs in internal medicine wards. Patients with polypharmacy were at high risk for DDIs. Education, computerized prescribing systems, drug information, and pharmaceutical care are important measures that were recommended to minimize harm associated with DDIs. PMID- 29201320 TI - Does the low-density lipoprotein cholesterol play a key role in predicting metabolic syndrome in the Iranian adult population? AB - Background: The low density lipoprotein cholestrol (LDL-C) has an important role in the pathogenesis of cardiovascular disease but its association and predictive accuracy with metabolic syndrome (MetS) remains controversial. The objective of this study was to investigate the association and predictive ability of LDL-C with MetS. Methods: We analyzed the data from a population-based cross-sectional study conducted on representative samples of an Iranian adult population. The demographic data, anthropometric measures and the lipid profiles were measured with standard methods, and MetS was diagnosed by ATP III criteria. Logistic regression model and ROC analysis were used to estimate the predictive accuracy of LDL-C and its association with MetS. Results: The mean age (+/-SD) of participants with and without MetS was 47.6+/-12.5 years and 39.1+/-12.9 years, respectively (p=0.001). All anthropometric measures (body mass index, waist circumference, waist to hip ratio, waist to height ratio), systolic blood pressure, total cholesterol, triglycerides and fasting blood glucose were significantly higher in MetS, but a significantly higher difference in LDL-C was observed only in women. Accuracy of LDL-C in predicting MetS for men and women was 0.48 (95% CI: 0.43-0.54) and 0.55 (95% CI: 0.51-0.60), respectively. The unadjusted and adjusted odds ratios of different quartiles of LDL-C compared with 1st quartile did not reach to a significant level. Conclusion: Serum LDL-C level is not significantly associated with MetS but exhibits a weak ability in predicting MetS in women. PMID- 29201321 TI - Efficacy of potassium polycitrate on renal stone and microlithiasis predisposed by metabolic disorders. AB - Background: According to high prevalence of renal stone in children, we evaluated the efficacy of treatment with potassium citrate and its correlation with metabolic disorders in children less than two years of age with renal stone and microlithiasis. Methods: In this cross- sectionaly study, 100 patients (less than 2 years old) with renal stone or microlitiasis were evaluated for metabolic disorders. They were treated with potassium citrate and followed-up by ultrasonography every 3 months. Then response to treatment was evaluated according to the fresence metabolic disorders (A p-alue<0.05 was significant). Results: According to this study, hyperuricosuria and hypercalciuria were the two major metabolic disorders (40-33%). Seventy three patients had complete response, and also there as not a significant difference (p<0.05) in the efficacy of treatment due to types of metabolic disorders. There was significant difference between relative response to treatment in children who had metabolic disorders and patient without any metabolic disorders. Conclusion: Based on our results the use of potassium citrate in all children less than 2 years with renal stone or microlithiasis especially those with metabolic disorders, are recommended. PMID- 29201322 TI - The diagnostic value of fine needle aspiration in comparison with frozen section in thyroid nodules: A 20-year study. AB - Background: Fine needle aspiration (FNA) is the most important method in the diagnosis of thyroid nodules before surgery. Recently, the efficiency of FNA in thyroid nodule management has been debatable. On the other hand, intraoperative frozen section (FS) has been used to confirm the diagnosis of FNA and select the proper surgical approach. In this regard, the present study aimed to assess the diagnostic value of FNA as compared to FS in the diagnosis of thyroid nodules. Methods: This retrospective study was performed on 69 patients with FNA and FS and histopathological examination from 1993 to 2014 in Babol, northern Iran. FNA was classified into 5 groups: benign (colloid goiter), lymphocytic thyroiditis, follicular lesions, suspicious and malignant, and FS was classified as after benign or malignant. The results of both methods were compared with each other. Results: This retrospective study was performed on 69 patients with FNA and FS and histopathological examination from 1993 to 2014 in Babol, northern Iran. FNA was classified into 5 groups: benign (colloid goiter), lymphocytic thyroiditis, follicular lesions, suspicious and malignant, and FS was classified as after benign or malignant. The results of both methods were compared with each other. Conclusion: FNA was considered as a simple, less invasive and cost effective method with fewer side effects for evaluation of thyroid nodules. Particulary it had a high sensitivity and specificity in experienced and skilled hands. PMID- 29201323 TI - Does Serum lipid profile differ in anemia and non-anemic older subjects? AB - Background: There is some evidence that shows the symptoms of anemia are fewere in overweight and obese people, so, the purpose of this research was to study the relationship between anemia and iron deficiency anemia (IDA) with lipid profile status of the elderly. Methods: This cross-sectional study came from the Amirkola Health and Ageing Project (AHAP). A demographic questionnaire was given to the older people and a blood sample was obtained to assay their lipid indexes (triglyceride, cholesterol, HDL and LDL) and the parameters related to anemia after 12 hours fasting. The data were analyzed by chi-square test, t-test and Pearson correlation using SPSS. A p<0.05 was considered as the significance level of the tests. Results: The average age of the people was 68.95+/-7.43 years old. In this study, the prevalence of anemia and IDA was 31% and 9%, respectively. The mean concentration of serum triglyceride, cholesterol and LDL in the anemia group and the IDA group was less than the control groups. The amount of HDL in different groups was almost the same, although the difference was statistically significant with respect to variables like age and obesity (P=0.001). Conclusion: The study showed that the amount of lipid profile (triglyceride and cholesterol) in the elderly with anemia and IDA was less compared to other people. This result was achieved in some other research studies too, but further research is suggested to find possible mechanisms. PMID- 29201324 TI - Molecular characterization of Staphylococcus aureus strains isolated among hospital staff nasal carriers of Babol, Iran. AB - Background: Staphylococcus aureus (s. aureus) nasal carriers, particularly the healthcare staff can be considered as a potential source for the spread of resistant strains. The aim of this study was to determine the molecular characterization of S. aureus strains isolated among the staff nasal carriers in one of the teaching hospitals in Babol. Methods: A total of 120 nasal swabs were taken from the staff of Ayatollah Rouhani Hospital Babol during 2016. The antibiotic resistance pattern was performed by disc diffusion method for 13 antibiotics, including cefoxitin, cephalothin, teicoplanin, vancomycin, daptomycin, oxacillin, amoxicillin, amikacin, linezolid, ciprofloxacin, levofloxacin, erythromycin, rifampin, according to the CLSI 2015. Polymerase chain reaction (PCR) was used to detect mecA and pvl genes. Finally, the different SCCmec types were determined by multiplex- PCR method. Results: Among the 120 collected specimens, 40(33.3%) S. aureus isolates were approved. 28(70%) of strains were identified as methicillin-resistant Staphylococcus aureus (MRSA) and the frequency of pvl gene was confirmed 2(5%). Based on the multiplex PCR assay, four different SCCmec types were detected as 35.7% type I, 14.2% type III, 7.1% type II and 3.5% type IV. By a disc diffusion method, no resistance pattern was observed to vancomycin, while 100% of strains were resistant to amoxicillin. Conclusion: Consequently our results illustrated that isolated S. aureus strains among the staff nasal carriers via mentioned molecular characterization may lead to increase the nosocomial persistent infections in hospitalized patients and also health care workers. PMID- 29201325 TI - The association between Solar Lentigines and Type-2 Diabetes. AB - Background: Limited information exists between the associations of diabetes mellitus (DM) and solar lentigo (SL); a benign, common skin lesion characterized by hyperpigmented macules. Methods: This study was conducted on 90 patients diagnosed with DM and their age and sex matched controls who were referred to the Departments of Endocrinology at Babol University of Medical Science in Northern of Iran from January 2013 to December 2015. All demographic data including age, gender, occupation, family history of DM, estimated average sun exposure and presence of skin lesions were collected and analyzed. Results: Presence of SL was significantly higher among patients with DM compared to controls (61.9% vs 33.6%, P<0.001). After adjusting for age, sex and sun exposure rate, results indicated that DM was independently associated with the presence of SL (p=0.002). Stratifying patients based on gender, indicated that DM was significantly associated with SL in females (p=0.03), but not in male patients (p=0.06). Conclusion: The findings of the present study indicate that DM is an independent risk factor for the occurrence of SL lesions. These findings could represent a novel association between DM as a chronic oxidation state and SL as an early sign of aging. PMID- 29201326 TI - A challenging entity: multiple sclerosis or collagen tissue disorders: A case series of 6 patients. AB - Background: Multiple sclerosis and other demyelinating processes are sometimes difficult to differentiate from the neurological involvement in autoimmune diseases. Distinguishing multiple sclerosis from other lesions due to autoimmune diseases is crucial to avoid unsuitable or delayed treatments. Methods: Charts of 6 patients diagnosed with mimicking multiple sclerosis between 1996 and 2014 were retrospectively assessed. Results: The mean age at diagnosis was 35+/-7 years. The most commonly neurological manifestation at onset was paraparesis due to transverse myelopathy and uni/bilateral optic neuropathy. All our patients suffered from recurrent episodes of optic neuritis with a mean lag time of 12 months. Other initial presenting neurological manifestations in our patients included ataxic gait and pyramidal syndrome. Systemic symptoms occurred a long time before or after their initial neurological presentation. All patients had numerous T2 hyperintense lesions in the periventricular white matter and spinal cord with contrast enhancement. The antibodies tests revealed the presence of significant amounts of anti-nuclear antibodies. The anti-phospholipid antibodies were negative in all patients. All patients were treated with corticosteroid therapy and neurological features were cleared in all cases. Conclusion: Multiple sclerosis, other myelitis and optic neuritis, are sometimes difficult to differentiate from CNS involvement in autoimmune disease. Indeed, the clinical presentation, immunological profile and MRI lesions may be similar. PMID- 29201327 TI - Stiff person case misdiagnosed as conversion disorder: A case report. AB - Background: Stiff person syndrome (SPS) is a rare neurological disease resulting in stiffness and spasm of muscles. It initially affects the axial muscles and then spread to limb muscles. Emotional stress exacerbated the symptoms and signs of the disease. The pathophysiology of the disease is caused by the decreased level of the glutamic acid decarboxylase (GAD) activity due to an autoantibody against GAD that decreases the level of gamma-aminobutyric acid (GABA). In this paper, we present a case of atypical presentation of SPS with lower limb stiffness misdiagnosed as conversion disorder. Case presentation: We report a patient with atypical presentation of SPS with lower limb stiffness and gait disorder misdiagnosed as conversion disorder for a year. Her antithyroid peroxidase antibody (anti-TPO Ab) level was 75 IU (normal value: 0-34 IU). Intravenous immunoglobulin (IVIG) was administered (2gr/kg, 5 days) for the patient that showed significant improvement in the follow-up visit. Conclusion: It is essential that in any patient with bizarre gait disorder and suspicious to conversion disorder due to the reversibility of symptoms, SPS and other movement disorder should be considered. PMID- 29201328 TI - Hughes-Stovin syndrome revealing the presence of Behcet's Disease. AB - Background: Hughes-Stovin Syndrome (HSS) is a rare clinical disorder characterized by deep venous thrombosis and multiple pulmonary and/or bronchial aneurysms. Aneurysms in systemic circulation can also be seen. Case presentation: We report the first case of HSS with aortic aneurysm in a 55-year-old man who initially presented with deep venous thrombosis. The diagnosis of HSS revealing Behcet's disease was made given the history of recurrent oral and genital ulcers. Treatment consisted of 3 daily pulses of methylprednisolone (1g) followed by oral prednisone (1mg/kg daily) and 6 monthly pulses of cyclophosphamide. Oral anticoagulation treatment was held 3 months and then was stopped with good outcome. Conclusion: Systemic aneurysms in Hughes Stovin is a worth knowing complication which may reveal Behcet's disease. PMID- 29201329 TI - Internet-based support system and rehabilitation of drug users under maintenance treatment. PMID- 29201330 TI - Frame-Based CT Image Reconstruction via the Balanced Approach. AB - Frame-based regularization method as one kind of sparsity representation method has been developed in recent years and has been proved to be an efficient method for CT image reconstruction. However, most of the developed CT image reconstruction methods are analysis-based frame methods. This paper proposes a novel frame-based balanced hybrid model with two sparse regularization terms for CT image reconstruction. We generalize the fast alternating direction method to solve the proposed model so that every subproblem can be easily solved. The numerical experiments suggest that the proposed hybrid balanced-based wavelet regularization scheme is efficient in terms of reducing the defined reconstruction root mean squared error and improving the signal to noise ratio in CT image reconstruction. PMID- 29201331 TI - Determination of Fetal Left Ventricular Volume Based on Two-Dimensional Echocardiography. AB - Determination of fetal left ventricular (LV) volume in two-dimensional echocardiography (2DE) is significantly important for quantitative analysis of fetal cardiac function. A backpropagation (BP) neural network method is proposed to predict LV volume more accurately and effectively. The 2DE LV border and volume are considered as the input and output of BP neural network correspondingly. To unify and simplify the input of the BP neural network, 16 distances calculated from the border to its center with equal angle are used instead of the border. Fifty cases (forty frames for each) were used for this study. Half of them selected randomly are used for training, and the others are used for testing. To illustrate the performance of BP neural network, area-length method, Simpson's method, and multivariate nonlinear regression equation method were compared by comparisons with the volume references in concordance correlation coefficient (CCC), intraclass correlation coefficient (ICC), and Bland-Altman plots. The ICC and CCC for BP neural network with the volume references were the highest. For Bland-Altman plots, the BP neural network also shows the highest agreement and reliability with volume references. With the accurate LV volume, LV function parameters (stroke volume (SV) and ejection fraction (EF)) are calculated accurately. PMID- 29201332 TI - An Improved Random Walker with Bayes Model for Volumetric Medical Image Segmentation. AB - Random walk (RW) method has been widely used to segment the organ in the volumetric medical image. However, it leads to a very large-scale graph due to a number of nodes equal to a voxel number and inaccurate segmentation because of the unavailability of appropriate initial seed point setting. In addition, the classical RW algorithm was designed for a user to mark a few pixels with an arbitrary number of labels, regardless of the intensity and shape information of the organ. Hence, we propose a prior knowledge-based Bayes random walk framework to segment the volumetric medical image in a slice-by-slice manner. Our strategy is to employ the previous segmented slice to obtain the shape and intensity knowledge of the target organ for the adjacent slice. According to the prior knowledge, the object/background seed points can be dynamically updated for the adjacent slice by combining the narrow band threshold (NBT) method and the organ model with a Gaussian process. Finally, a high-quality image segmentation result can be automatically achieved using Bayes RW algorithm. Comparing our method with conventional RW and state-of-the-art interactive segmentation methods, our results show an improvement in the accuracy for liver segmentation (p < 0.001). PMID- 29201333 TI - Development of the Arabic Voice Pathology Database and Its Evaluation by Using Speech Features and Machine Learning Algorithms. AB - A voice disorder database is an essential element in doing research on automatic voice disorder detection and classification. Ethnicity affects the voice characteristics of a person, and so it is necessary to develop a database by collecting the voice samples of the targeted ethnic group. This will enhance the chances of arriving at a global solution for the accurate and reliable diagnosis of voice disorders by understanding the characteristics of a local group. Motivated by such idea, an Arabic voice pathology database (AVPD) is designed and developed in this study by recording three vowels, running speech, and isolated words. For each recorded samples, the perceptual severity is also provided which is a unique aspect of the AVPD. During the development of the AVPD, the shortcomings of different voice disorder databases were identified so that they could be avoided in the AVPD. In addition, the AVPD is evaluated by using six different types of speech features and four types of machine learning algorithms. The results of detection and classification of voice disorders obtained with the sustained vowel and the running speech are also compared with the results of an English-language disorder database, the Massachusetts Eye and Ear Infirmary (MEEI) database. PMID- 29201334 TI - Navigating the choice of oral anticoagulation therapy for atrial fibrillation in the NOAC era. AB - Atrial fibrillation (AF) is a major cause of ischaemic stroke. The majority of these strokes can be prevented by treatment with oral anticoagulation therapy. The advent of non-vitamin K antagonist oral anticoagulants (NOACs) has resulted in a choice of therapeutic agents available to physicians for anticoagulation for stroke prevention in patients with AF beyond the long-established vitamin K antagonists (VKAs). Pivotal trials have demonstrated non-inferiority of NOACs compared with VKAs, and in some cases superiority, for the prevention of stroke and systemic embolism in non-valvular AF. Yet there are no direct head-to-head comparator trials for the efficacy of NOACs. Therefore, the question of which oral anticoagulant for each individual patient can present a challenge to physicians. In this review article, we assess which patients with AF require anticoagulation, review the available therapeutic options, assessing the evidence base for each and offering guidance as to patient-specific factors that can influence this choice. PMID- 29201335 TI - Peripheral Visual Cues Contribute to the Perception of Object Movement During Self-Movement. AB - Safe movement through the environment requires us to monitor our surroundings for moving objects or people. However, identification of moving objects in the scene is complicated by self-movement, which adds motion across the retina. To identify world-relative object movement, the brain thus has to 'compensate for' or 'parse out' the components of retinal motion that are due to self-movement. We have previously demonstrated that retinal cues arising from central vision contribute to solving this problem. Here, we investigate the contribution of peripheral vision, commonly thought to provide strong cues to self-movement. Stationary participants viewed a large field of view display, with radial flow patterns presented in the periphery, and judged the trajectory of a centrally presented probe. Across two experiments, we demonstrate and quantify the contribution of peripheral optic flow to flow parsing during forward and backward movement. PMID- 29201336 TI - Social Factors in Aesthetics: Social Conformity Pressure and a Sense of Being Watched Affect Aesthetic Judgments. AB - The present study is a first attempt to experimentally test the impact of two specific social factors, namely social conformity pressure and a sense of being watched, on participants' judgments of the artistic quality of aesthetic objects. We manipulated conformity pressure with a test form in which a photograph of each stimulus was presented together with unanimously low (downward pressure) or high quality ratings (upward pressure) of three would-be previous raters. Participants' sense of being watched was manipulated by testing each of them in two settings, one of which contained an eyespots stimulus. Both social factors significantly affected the participants' judgments-unexpectedly, however, with conformity pressure only working in the downward direction and eyespots leading to an overall downward shift in participants' judgments. Our findings indicate the relevance of including explicit and implicit social factors in aesthetics research, thus also reminding us of the limitations of overly reductionist approaches to investigating aesthetic perception and experience. PMID- 29201337 TI - Defocus Discrimination in Video: Motion in Depth. AB - We perform two psychophysics experiments to investigate a viewer's ability to detect defocus in video; in particular, the defocus that arises in video during motion in depth when the camera does not maintain sharp focus throughout the motion. The first experiment demonstrates that blur sensitivity during viewing is affected by the speed at which the target moves towards the camera. The second experiment measures a viewer's ability to notice momentary defocus and shows that the threshold of blur detection in arc minutes decreases significantly as the duration of the blur increases. Our results suggest that it is important to have good control of focus while recording video and that momentary defocus should be kept as short as possible so it goes unnoticed. PMID- 29201338 TI - Moving Backgrounds Massively Change the Apparent Size, Shape and Orientation of Flashed Test Squares. AB - A random-dot background was expanded and contracted, and rotated, or expanded in one dimension while contracting on the other, or skewed back and forth horizontally. Squares that were flashed at the reversal points of these affine pattern distortions, aligned to edges in the texture, showed massive changes in size and shape. PMID- 29201339 TI - Trigger Features for Conveying Facial Expressions: The Role of Segmentation. AB - Primates are especially good at recognizing facial expression using two contrasting strategies-an individual diagnostic feature (e.g., raise eyebrows or lower mouth corner) versus a relationship between features. We report several novel experiments that demonstrate a profound role of grouping and segmentation including stereo-on recognition of facial expressions. PMID- 29201341 TI - Depth Without a Surface: Observations From a "Finger Spinner" Depth Illusion. AB - A trending novelty toy that is spun between the fingers induces a striking depth illusion from specular reflections. Further examination of the phenomenon suggests that when surface features are obscured by spinning, depth from disparity of reflections is enhanced. PMID- 29201340 TI - 50 Years of Stereoblindness: Reconciliation of a Continuum of Disparity Detectors With Blindness for Disparity in Near or Far Depth. AB - Whitman Richards (1932-2016) discovered some 50 years ago that about 30% of observers from the normal population exhibit stereoblindness: the disability to process binocular disparities in either far or near depth. We review the literature on stereoblindness entailing two insights. First, contemporary scholars in stereopsis undervalue the comprehension that disparity processing studies require precise assessments of observers' stereoblindness. We argue that this frequently leads to suboptimal interpretations. Second, there is still an open conundrum: How can the established finding that disparity is processed by a continuum of detectors be reconciled with the disability of many observers to process a whole class of far or near disparities? We propose, based upon integration of literature, that an asymmetry between far and near disparity detection at birth-being present for a variety of reasons-can suppress the typical formation of binocular correlation during the critical period for the development of stereopsis early in life, thereby disabling a whole class of far or near disparities. PMID- 29201342 TI - A SMARC Effect for Loudness. AB - Various reports suggest that the pitch height of musical tones may be represented along a mental space, with lower pitch heights represented on the left or lower sectors and higher pitch heights represented on the right or upper sectors of the mental space. Given that in Western languages the loudness of tones is often addressed spatially, with loud sounds referred to as "high" and quiet sounds referred to as "low," here we investigated whether loudness might also have a spatial representation. Participants judged whether a tone was louder or quieter than a reference tone, by pressing two keys: one at the top and the other at the bottom of a response box. Participants were faster in a situation where they pressed the key at the top to report louder sounds, and the key at the bottom to report quieter sounds, than vice versa. This result supports the view that loudness, like other types of magnitudes, might be represented spatially. PMID- 29201343 TI - The evolutionary origin of digit patterning. AB - The evolution of tetrapod limbs from paired fins has long been of interest to both evolutionary and developmental biologists. Several recent investigative tracks have converged to restructure hypotheses in this area. First, there is now general agreement that the limb skeleton is patterned by one or more Turing-type reaction-diffusion, or reaction-diffusion-adhesion, mechanism that involves the dynamical breaking of spatial symmetry. Second, experimental studies in finned vertebrates, such as catshark and zebrafish, have disclosed unexpected correspondence between the development of digits and the development of both the endoskeleton and the dermal skeleton of fins. Finally, detailed mathematical models in conjunction with analyses of the evolution of putative Turing system components have permitted formulation of scenarios for the stepwise evolutionary origin of patterning networks in the tetrapod limb. The confluence of experimental and biological physics approaches in conjunction with deepening understanding of the developmental genetics of paired fins and limbs has moved the field closer to understanding the fin-to-limb transition. We indicate challenges posed by still unresolved issues of novelty, homology, and the relation between cell differentiation and pattern formation. PMID- 29201344 TI - Combinations of QTc-prolonging drugs: towards disentangling pharmacokinetic and pharmacodynamic effects in their potentially additive nature. AB - Background: Whether arrhythmia risks will increase if drugs with electrocardiographic (ECG) QT-prolonging properties are combined is generally supposed but not well studied. Based on available evidence, the Arizona Center for Education and Research on Therapeutics (AZCERT) classification defines the risk of QT prolongation for exposure to single drugs. We aimed to investigate how combining AZCERT drug categories impacts QT duration and how relative drug exposure affects the extent of pharmacodynamic drug-drug interactions. Methods: In a cohort of 2558 psychiatric inpatients and outpatients, we modeled whether AZCERT class and number of coprescribed QT-prolonging drugs correlates with observed rate-corrected QT duration (QTc) while also considering age, sex, inpatient status, and other QTc-prolonging risk factors. We concurrently considered administered drug doses and pharmacokinetic interactions modulating drug clearance to calculate individual weights of relative exposure with AZCERT drugs. Because QTc duration is concentration-dependent, we estimated individual drug exposure with these drugs and included this information as weights in weighted regression analyses. Results: Drugs attributing a 'known' risk for clinical consequences were associated with the largest QTc prolongations. However, the presence of at least two versus one QTc-prolonging drug yielded nonsignificant prolongations [exposure-weighted parameter estimates with 95% confidence intervals for 'known' risk drugs + 0.93 ms (-8.88;10.75)]. Estimates for the 'conditional' risk class increased upon refinement with relative drug exposure and co-administration of a 'known' risk drug as a further risk factor. Conclusions: These observations indicate that indiscriminate combinations of QTc prolonging drugs do not necessarily result in additive QTc prolongation and suggest that QT prolongation caused by drug combinations strongly depends on the nature of the combination partners and individual drug exposure. Concurrently, it stresses the value of the AZCERT classification also for the risk prediction of combination therapies with QT-prolonging drugs. PMID- 29201345 TI - Sensitization to PR-10 proteins is indicative of distinctive sensitization patterns in adults with a suspected food allergy. AB - Background: The extent of co-sensitization within and between food protein families in an adult population is largely unknown. This study aimed to identify the most frequently recognized components in the PR-10 and storage protein family, as well as patterns in (co-)sensitization, in a birch-endemic area. Methods: Results of ImmunoCAP ISAC, performed during routine care in Dutch adult outpatients suspected of food allergy, were collected. Results: A total of 305 patients were selected, aged 16-79 years (median 32 years). Sensitization to one or more PR-10 proteins was most frequent (74% of all subjects), followed by 35% to storage protein and 15% to nsLTPs. Within the PR-10 family, subjects were most often sensitized to Bet v 1 (73% of 305), Cor a 1.04 (72%) and Mal d 1 (68%). Sensitization to PR-10s from soy, celery and kiwi occurred distinctively less often (< 55% of Bet v 1 sensitized subjects) compared to other food PR-10s (all > 70%). Subjects sensitized to these 'less common PR-10 proteins' were sensitized to more food and inhalant components on the ISAC, compared to subjects sensitized to 'common PR-10 proteins' (median 22 vs 13 out of 112, p < 0.0001). Seven subjects demonstrated sensitization to food PR-10 proteins, without concomitant sensitization to pollen PR-10s. Within the storage proteins, sensitization to multiple peanut allergens was most common (on average 3 out of 4). Conclusions: Sensitization to PR-10 food proteins could occur without concomitant sensitization to common PR-10 from pollen in a subset of subjects. Less commonly recognized PR-10 proteins appear to be an indication of polysensitization. PMID- 29201347 TI - The creation and evaluation of a model to simulate the probability of conception in seasonal-calving pasture-based dairy heifers. AB - Background: Herd fertility in pasture-based dairy farms is a key driver of farm economics. Models for predicting nulliparous reproductive outcomes are rare, but age, genetics, weight, and BCS have been identified as factors influencing heifer conception. The aim of this study was to create a simulation model of heifer conception to service with thorough evaluation. Methods: Artificial Insemination service records from two research herds and ten commercial herds were provided to build and evaluate the models. All were managed as spring-calving pasture-based systems. The factors studied were related to age, genetics, and time of service. The data were split into training and testing sets and bootstrapping was used to train the models. Logistic regression (with and without random effects) and generalised additive modelling were selected as the model-building techniques. Two types of evaluation were used to test the predictive ability of the models: discrimination and calibration. Discrimination, which includes sensitivity, specificity, accuracy and ROC analysis, measures a model's ability to distinguish between positive and negative outcomes. Calibration measures the accuracy of the predicted probabilities with the Hosmer-Lemeshow goodness-of-fit, calibration plot and calibration error. Results: After data cleaning and the removal of services with missing values, 1396 services remained to train the models and 597 were left for testing. Age, breed, genetic predicted transmitting ability for calving interval, month and year were significant in the multivariate models. The regression models also included an interaction between age and month. Year within herd was a random effect in the mixed regression model. Overall prediction accuracy was between 77.1% and 78.9%. All three models had very high sensitivity, but low specificity. The two regression models were very well-calibrated. The mean absolute calibration errors were all below 4%. Conclusion: Because the models were not adept at identifying unsuccessful services, they are not suggested for use in predicting the outcome of individual heifer services. Instead, they are useful for the comparison of services with different covariate values or as sub-models in whole-farm simulations. The mixed regression model was identified as the best model for prediction, as the random effects can be ignored and the other variables can be easily obtained or simulated. PMID- 29188012 TI - Creating, generating and comparing random network models with NetworkRandomizer. AB - Biological networks are becoming a fundamental tool for the investigation of high throughput data in several fields of biology and biotechnology. With the increasing amount of information, network-based models are gaining more and more interest and new techniques are required in order to mine the information and to validate the results. To fill the validation gap we present an app, for the Cytoscape platform, which aims at creating randomised networks and randomising existing, real networks. Since there is a lack of tools that allow performing such operations, our app aims at enabling researchers to exploit different, well known random network models that could be used as a benchmark for validating real, biological datasets. We also propose a novel methodology for creating random weighted networks, i.e. the multiplication algorithm, starting from real, quantitative data. Finally, the app provides a statistical tool that compares real versus randomly computed attributes, in order to validate the numerical findings. In summary, our app aims at creating a standardised methodology for the validation of the results in the context of the Cytoscape platform. PMID- 29188012 TI - Creating, generating and comparing random network models with NetworkRandomizer. AB - Biological networks are becoming a fundamental tool for the investigation of high throughput data in several fields of biology and biotechnology. With the increasing amount of information, network-based models are gaining more and more interest and new techniques are required in order to mine the information and to validate the results. To fill the validation gap we present an app, for the Cytoscape platform, which aims at creating randomised networks and randomising existing, real networks. Since there is a lack of tools that allow performing such operations, our app aims at enabling researchers to exploit different, well known random network models that could be used as a benchmark for validating real, biological datasets. We also propose a novel methodology for creating random weighted networks, i.e. the multiplication algorithm, starting from real, quantitative data. Finally, the app provides a statistical tool that compares real versus randomly computed attributes, in order to validate the numerical findings. In summary, our app aims at creating a standardised methodology for the validation of the results in the context of the Cytoscape platform. PMID- 29188013 TI - Scaling-up primary health care-based prevention and management of alcohol use disorder at the municipal level in middle-income countries in Latin America: Background and pre-protocol for a three-country quasi-experimental study. AB - Background: While primary health care (PHC)-based prevention and management of alcohol use disorder (AUD) is clinically effective and cost-effective, it remains poorly implemented in routine practice. Systematic reviews and multi-country studies have demonstrated the ability of training and support programmes to increase PHC-based screening and brief advice activity to reduce heavy drinking. However, gains have been only modest and short term at best. WHO studies have concluded that a more effective uptake could be achieved by embedding PHC activity within broader community and municipal support. Protocol: A quasi experimental study will compare PHC-based prevention and management of AUD, operationalized by heavy drinking, in three intervention cities from Colombia, Mexico and Peru with three comparator cities from the same countries. In the implementation cities, primary health care units (PHCUs) will receive training embedded within ongoing supportive municipal action over an 18-month implementation period. In the comparator cities, practice as usual will continue at both municipal and PHCU levels. The primary outcome will be the proportion of consulting adult patients intervened with (screened and advice given to screen positives). The study is powered to detect a doubling of the outcome measure from an estimated 2.5/1,000 patients at baseline. Formal evaluation points will be at baseline, mid-point and end-point of the 18-month implementation period. We will present the ratio (plus 95% confidence interval) of the proportion of patients receiving intervention in the implementation cities with the proportions in the comparator cities. Full process evaluation will be undertaken, coupled with an analysis of potential contextual, financial and political-economy influencing factors. Discussion: This multi-country study will test the extent to which embedding PHC-based prevention and management of alcohol use disorder with supportive municipal action leads to improved scale-up of more patients with heavy drinking receiving appropriate advice and treatment. PMID- 29188014 TI - Assessment of injection safety in Ha Dong General Hospital, Hanoi, in 2012. AB - Background: Injection is one of the most frequently used medical methods to introduce drugs or other substances into the body for purposes of treatment or prevention. Unsafe injection can cause adverse outcomes, such as abscess and anaphylactic shock, and increases the risk of blood-borne transmission of viruses to patients and health care workers, as well as the community. Recognizing the importance of injection safety, in 2000 the Vietnamese Ministry of Health (MOH) collaborated with the Vietnam Nurses Association to launch the "Safe injection" program throughout the country, including Hanoi. Methods: This cross-sectional study, combining quantitative and qualitative analysis, was conducted from February to August 2012 in Ha Dong General Hospital using a structured questionnaire and observation checklist. The target population of the study was 109 nurses working in clinical departments and 436 injections were observed. Results: The percentage of nurses who are familiar with injection safety standards was found to be 82.6%. The proportion of practical injections that met the 23 standards of injection safety set by the MOH amounted to 22.2%. The factors related to safe injection practice of nurses who are younger age group (OR=3.1; p<0.05) and lower amount of working years (OR=2.8; p<0.05). Conclusions: Despite the high level of knowledge about safety injection, a low proportion of nurses performed correct safety injection practice. Moreover, the results demonstrated that experience might not always guarantee better practice. The findings raise the need for further training about this issue, especially among older nurses. PMID- 29201346 TI - The chiropractic profession: a scoping review of utilization rates, reasons for seeking care, patient profiles, and care provided. AB - Background: Previous research has investigated utilization rates, who sees chiropractors, for what reasons, and the type of care that chiropractors provide. However, these studies have not been comprehensively synthesized. We aimed to give a global overview by summarizing the current literature on the utilization of chiropractic services, reasons for seeking care, patient profiles, and assessment and treatment provided. Methods: Systematic searches were conducted in MEDLINE, CINAHL, and Index to Chiropractic Literature using keywords and subject headings (MeSH or ChiroSH terms) from database inception to January 2016. Eligible studies: 1) were published in English or French; 2) were case series, descriptive, cross-sectional, or cohort studies; 3) described patients receiving chiropractic services; and 4) reported on the following theme(s): utilization rates of chiropractic services; reasons for attending chiropractic care; profiles of chiropractic patients; or, types of chiropractic services provided. Paired reviewers independently screened all citations and data were extracted from eligible studies. We provided descriptive numerical analysis, e.g. identifying the median rate and interquartile range (e.g., chiropractic utilization rate) stratified by study population or condition. Results: The literature search retrieved 14,149 articles; 328 studies (reported in 337 articles) were relevant and reported on chiropractic utilization (245 studies), reason for attending chiropractic care (85 studies), patient demographics (130 studies), and assessment and treatment provided (34 studies). Globally, the median 12-month utilization of chiropractic services was 9.1% (interquartile range (IQR): 6.7% 13.1%) and remained stable between 1980 and 2015. Most patients consulting chiropractors were female (57.0%, IQR: 53.2%-60.0%) with a median age of 43.4 years (IQR: 39.6-48.0), and were employed (median: 77.3%, IQR: 70.3%-85.0%). The most common reported reasons for people attending chiropractic care were (median) low back pain (49.7%, IQR: 43.0%-60.2%), neck pain (22.5%, IQR: 16.3%-24.5%), and extremity problems (10.0%, IQR: 4.3%-22.0%). The most common treatment provided by chiropractors included (median) spinal manipulation (79.3%, IQR: 55.4%-91.3%), soft-tissue therapy (35.1%, IQR: 16.5%-52.0%), and formal patient education (31.3%, IQR: 22.6%-65.0%). Conclusions: This comprehensive overview on the world wide state of the chiropractic profession documented trends in the literature over the last four decades. The findings support the diverse nature of chiropractic practice, although common trends emerged. PMID- 29188014 TI - Assessment of injection safety in Ha Dong General Hospital, Hanoi, in 2012. AB - Background: Injection is one of the most frequently used medical methods to introduce drugs or other substances into the body for purposes of treatment or prevention. Unsafe injection can cause adverse outcomes, such as abscess and anaphylactic shock, and increases the risk of blood-borne transmission of viruses to patients and health care workers, as well as the community. Recognizing the importance of injection safety, in 2000 the Vietnamese Ministry of Health (MOH) collaborated with the Vietnam Nurses Association to launch the "Safe injection" program throughout the country, including Hanoi. Methods: This cross-sectional study, combining quantitative and qualitative analysis, was conducted from February to August 2012 in Ha Dong General Hospital using a structured questionnaire and observation checklist. The target population of the study was 109 nurses working in clinical departments and 436 injections were observed. Results: The percentage of nurses who are familiar with injection safety standards was found to be 82.6%. The proportion of practical injections that met the 23 standards of injection safety set by the MOH amounted to 22.2%. The factors related to safe injection practice of nurses who are younger age group (OR=3.1; p<0.05) and lower amount of working years (OR=2.8; p<0.05). Conclusions: Despite the high level of knowledge about safety injection, a low proportion of nurses performed correct safety injection practice. Moreover, the results demonstrated that experience might not always guarantee better practice. The findings raise the need for further training about this issue, especially among older nurses. PMID- 29188013 TI - Scaling-up primary health care-based prevention and management of heavy drinking at the municipal level in middle-income countries in Latin America: Background and protocol for a three-country quasi-experimental study. AB - Background: While primary health care (PHC)-based prevention and management of heavy drinking is clinically effective and cost-effective, it remains poorly implemented in routine practice. Systematic reviews and multi-country studies have demonstrated the ability of training and support programmes to increase PHC based screening and brief advice activity to reduce heavy drinking. However, gains have been only modest and short term at best. WHO studies have concluded that a more effective uptake could be achieved by embedding PHC activity within broader community and municipal support. Protocol: A quasi-experimental study will compare PHC-based prevention and management of heavy drinking in three intervention cities from Colombia, Mexico and Peru with three comparator cities from the same countries. In the implementation cities, primary health care units (PHCUs) will receive training embedded within ongoing supportive municipal action over an 18-month implementation period. In the comparator cities, practice as usual will continue at both municipal and PHCU levels. The primary outcome will be the proportion of consulting adult patients intervened with (screened and advice given to screen positives). The study is powered to detect a doubling of the outcome measure from an estimated 2.5/1,000 patients at baseline. Formal evaluation points will be at baseline, mid-point and end-point of the 18-month implementation period. We will present the ratio (plus 95% confidence interval) of the proportion of patients receiving intervention in the implementation cities with the proportions in the comparator cities. Full process evaluation will be undertaken, coupled with an analysis of potential contextual, financial and political-economy influencing factors. Discussion: This multi-country study will test the extent to which embedding PHC-based prevention and management of alcohol use disorder with supportive municipal action leads to improved scale-up of more patients with heavy drinking receiving appropriate advice and treatment. Study status: The four-year study will start on 1 st December 2017. PMID- 29188016 TI - An analysis of characteristics of post-authorisation studies registered on the ENCePP EU PAS Register. AB - Background: The objective of this study was to investigate the study design characteristics of Post-Authorisation Studies (PAS) requested by the European Medicines Agency which were recorded on the European Union (EU) PAS Register held by the European Network of Centres for Pharmacoepidemiology and Pharmacovigilance (ENCePP). Methods: We undertook a cross-sectional descriptive analysis of all studies registered on the EU PAS Register as of 18 th October 2016. Results: We identified a total of 314 studies on the EU PAS Register, including 81 (26%) finalised, 160 (51%) ongoing and 73 (23%) planned. Of those studies identified, 205 (65%) included risk assessment in their scope, 133 (42%) included drug utilisation and 94 (30%) included effectiveness evaluation. Just over half of the studies (175; 56%) used primary data capture, 135 (43%) used secondary data and 4 (1%) used a hybrid design combining both approaches. Risk assessment and effectiveness studies were more likely to use primary data capture (60% and 85% respectively as compared to 39% and 14% respectively for secondary). The converse was true for drug utilisation studies where 59% were secondary vs. 39% for primary. For type 2 diabetes mellitus, database studies were more commonly used (80% vs 3% chart review, 3% hybrid and 13% primary data capture study designs) whereas for studies in oncology, primary data capture were more likely to be used (85% vs 4% chart review, and 11% database study designs). Conclusions: Results of this analysis show that PAS design varies according to study objectives and therapeutic area. PMID- 29188018 TI - Moderate-to-severe atopic dermatitis patients show increases in serum C-reactive protein levels, correlating with skin disease activity. AB - Background: Atopic dermatitis (AD), the most common chronic inflammatory skin disease, is evolving as a systemic disease, and associated systemic inflammation is possibly linked to increases in cardiovascular disease. Methods: We assessed levels of the inflammatory marker CRP in 59 patients with moderate-to-severe AD compared to matched healthy controls, and to determine correlation with skin disease severity. Clinical severity was measured using SCORing of Atopic Dermatitis (SCORAD) and body surface area (BSA). Control subjects (n=118), matched by age, gender, smoking status and ethnicity, were obtained from the National Health and Nutrition Survey (NHANES). Results: AD patients had significantly increased serum CRP levels compared to controls (0.7+/-1.0 vs. 0.4+/-0.7mg/dl; p=0.001), and 52.5% of them showed CRP levels >0.3mg/dl, predicting high cardiovascular risk. CRP levels were significantly correlated with both SCORAD (r=0.427, p=0.0008) and BSA (r=0.407, p=0.0015). IgE levels in AD were highly elevated (median 2903U/ml, IQR [234,10655]), but only weakly correlated with SCORAD (r=0.282, p=0.0427) and BSA (r=0.382, p=0.0052), but not with CRP levels. AD patients also showed increased LDH levels, but without significant correlations with disease severity (SCORAD, BSA) or CRP. Conclusions: Our study strongly supports CRP as a marker for disease severity in moderate-to severe AD patients, further demonstrating its chronic systemic nature. PMID- 29188015 TI - A multi-disciplinary perspective on emergent and future innovations in peer review. AB - Peer review of research articles is a core part of our scholarly communication system. In spite of its importance, the status and purpose of peer review is often contested. What is its role in our modern digital research and communications infrastructure? Does it perform to the high standards with which it is generally regarded? Studies of peer review have shown that it is prone to bias and abuse in numerous dimensions, frequently unreliable, and can fail to detect even fraudulent research. With the advent of web technologies, we are now witnessing a phase of innovation and experimentation in our approaches to peer review. These developments prompted us to examine emerging models of peer review from a range of disciplines and venues, and to ask how they might address some of the issues with our current systems of peer review. We examine the functionality of a range of social Web platforms, and compare these with the traits underlying a viable peer review system: quality control, quantified performance metrics as engagement incentives, and certification and reputation. Ideally, any new systems will demonstrate that they out-perform and reduce the biases of existing models as much as possible. We conclude that there is considerable scope for new peer review initiatives to be developed, each with their own potential issues and advantages. We also propose a novel hybrid platform model that could, at least partially, resolve many of the socio-technical issues associated with peer review, and potentially disrupt the entire scholarly communication system. Success for any such development relies on reaching a critical threshold of research community engagement with both the process and the platform, and therefore cannot be achieved without a significant change of incentives in research environments. PMID- 29201357 TI - Human S100A5 binds Ca2+ and Cu2+ independently. AB - Background: S100A5 is a calcium binding protein found in a small subset of amniote tissues. Little is known about the biological roles of S100A5, but it may be involved in inflammation and olfactory signaling. Previous work indicated that S100A5 displays antagonism between binding of Ca2+ and Cu2+ ions-one of the most commonly cited features of the protein. We set out to characterize the interplay between Ca2+ and Cu2+ binding by S100A5 using isothermal titration calorimetry (ITC), circular dichroism spectroscopy (CD), and analytical ultracentrifugation (AUC). Results: We found that human S100A5 is capable of binding both Cu2+ and Ca2+ ions simultaneously. The wildtype protein was extremely aggregation-prone in the presence of Cu2+ and Ca2+. A Cys-free version of S100A5, however, was not prone to precipitation or oligomerization. Mutation of the cysteines does not disrupt the binding of either Ca2+ or Cu2+ to S100A5. In the Cys-free background, we measured Ca2+ and Cu2+ binding in the presence and absence of the other metal using ITC. Saturating concentrations of Ca2+ or Cu2+ do not disrupt the binding of one another. Ca2+ and Cu2+ binding induce structural changes in S100A5, which are measurable using CD spectroscopy. We show via sedimentation velocity AUC that the wildtype protein is prone to the formation of soluble oligomers, which are not present in Cys-free samples. Conclusions: S100A5 can bind Ca2+ and Cu2+ ions simultaneously and independently. This observation is in direct contrast to previously-reported antagonism between binding of Cu2+ and Ca2+ ions. The previous result is likely due to metal-dependent aggregation. Little is known about the biology of S100A5, so an accurate understanding of the biochemistry is necessary to make informed biological hypotheses. Our observations suggest the possibility of independent biological functions for Cu2+ and Ca2+ binding by S100A5. PMID- 29201358 TI - Association of postoperative nausea/vomiting and pain with breastfeeding success. AB - Background: Successful breastfeeding is a goal set forth by the World Health Organization to improve neonatal care. Increasingly, patients express the desire to breastfeed, and clinicians should facilitate successful breastfeeding. The primary aim of this study is to determine if postoperative nausea and vomiting (PONV) or postoperative pain are associated with decreased breastfeeding success after cesarean delivery. Methods: This is a historical cohort study using the Stony Brook Elective Cesarean Delivery Database. Self-reported breastfeeding success at 4 weeks postoperative was analyzed for associations with postoperative antiemetic use and postoperative pain scores. Breastfeeding success was also analyzed for associations with patient factors and anesthetic medications. Results: Overall, 86% of patients (n = 81) who intended on breastfeeding reported breastfeeding success. Breastfeeding success was not associated with postoperative nausea or vomiting as measured by post anesthesia care unit antiemetic use (15% use in successful vs. 18% use in unsuccessful, p = 0.67) or 48-h antiemetic use (28% use in successful group vs 36% use in unsuccessful group, p = 0.732). Pain visual analog scale scores at 6, 12 and 24 h postoperatively were not significantly different between patients with or without breastfeeding success. Breastfeeding success was associated with having had at least 1 previous child (86% vs 36%, p < 0.001). Patients with asthma were less likely to have breastfeeding success (45% vs 4%, p = 0.002). Conclusions: Efforts to improve PONV and pain after cesarean delivery may not be effective in improving breastfeeding success. To possibly improve breastfeeding rates, resources should be directed toward patients with no previous children and patients with asthma. PMID- 29201360 TI - Are physician assistant and patient airway assessments reliable compared to anesthesiologist assessments in detecting difficult airways in general surgical patients? AB - Background: Airway management remains one of the most important responsibilities of anesthesiologists. Prediction of difficult airway allows time for proper selection of equipment, technique, and personnel experienced in managing patients with difficult airway. Face to face preoperative anesthesia interviews are difficult to conduct as they necessitate patients traveling to the clinics, and, in practice, are usually conducted in the morning of the procedure by the anesthesiologist, when identification of predictors of difficult intubation may lead to schedule delays or case cancelations. We hypothesized that an airway assessment tool could be used by patients or physician assistants to accurately assess their airways. Methods: We administered an airway assessment tool, which had been constructed in consultation with a psychometrician and revised after non medical layperson feedback, to 215 patients presenting to the preoperative clinic for evaluation. Separately, patients had the airway exam performed by a physician assistant and an anesthesiologist. Agreement was compared using kappa. Results: We found good agreement between observers only on "can you put three fingers in your mouth?" (three-way kappa = .733, p < 0.001) and poor agreement on Mallampati classification (three-way kappa = .195, p < 0.001) and "Can you fit three fingers between your chin and your Adam's Apple?" (three-way kappa = .216, p < 0.001). The agreements for the other questions were mostly fair. Agreements between patients and anesthesiologists were similar to those between physician assistants and anesthesiologists. Conclusions: Neither the patients' self-assessments nor the physician assistants' assessments were adequate to substitute for the anesthesiologists' airway assessments. PMID- 29201359 TI - Rationale for and approach to preoperative opioid weaning: a preoperative optimization protocol. AB - The practice of chronic opioid prescription for chronic non-cancer pain has come under considerable scrutiny within the past several years as mounting evidence reveals a generally unfavorable risk to benefit ratio and the nation reels from the grim mortality statistics associated with the opioid epidemic. Patients struggling with chronic pain tend to use opioids and also seek out operative intervention for their complaints, which combination may be leading to increased postoperative "acute-on-chronic" pain and fueling worsened chronic pain and opioid dependence. Besides worsened postoperative pain, a growing body of literature, reviewed herein, indicates that preoperative opioid use is associated with significantly worsened surgical outcomes, and severely increased financial drain on an already severely overburdened healthcare budget. Conversely, there is evidence that preoperative opioid reduction may result in substantial improvements in outcome. In the era of accountable care, efforts such as the Enhanced Recovery After Surgery (ERAS) protocol have been introduced in an attempt to standardize and facilitate evidence-based perioperative interventions to optimize surgical outcomes. We propose that addressing preoperative opioid reduction as part of a targeted optimization approach for chronic pain patients seeking surgery is not only logical but mandatory given the stakes involved. Simple opioid reduction/abstinence however is not likely to occur in the absence of provision of viable and palatable alternatives to managing pain, which will require a strong focus upon reducing pain catastrophization and bolstering self efficacy and resilience. In response to a call from our surgical community toward that end, we have developed a simple and easy-to-implement outpatient preoperative optimization program focusing on gentle opioid weaning/elimination as well as a few other high-yield areas of intervention, requiring a minimum of resources. PMID- 29201361 TI - Quercetin prevents spinal motor neuron degeneration induced by chronic excitotoxic stimulus by a sirtuin 1-dependent mechanism. AB - Background: Excitotoxicity is a mechanism of foremost importance in the selective motor neuron degeneration characteristic of motor neuron disorders. Effective therapeutic strategies are an unmet need for these disorders. Polyphenols, such as quercetin and resveratrol, are plant-derived compounds that activate sirtuins (SIRTs) and have shown promising results in some models of neuronal death, although their effects have been scarcely tested in models of motor neuron degeneration. Methods: In this work we investigated the effects of quercetin and resveratrol in an in vivo model of excitotoxic motor neuron death induced by the chronic infusion of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) into the rat spinal cord tissue. Quercetin and resveratrol were co-infused with AMPA and motor behavior and muscle strength were assessed daily for up to ten days. Then, animals were fixed and lumbar spinal cord tissue was analyzed by histological and immunocytological procedures. Results: We found that the chronic infusion of AMPA [1 mM] caused a progressive motor neuron degeneration, accompanied by astrogliosis and microgliosis, and motor deficits and paralysis of the rear limbs. Quercetin infusion ameliorated AMPA-induced paralysis, rescued motor neurons, and prevented both astrogliosis and microgliosis, and these protective effects were prevented by EX527, a very selective SIRT1 inhibitor. In contrast, neither resveratrol nor EX527 alone improved motor behavior deficits or reduced motor neuron degeneration, albeit both reduced gliosis. Conclusions: These results suggest that quercetin exerts its beneficial effects through a SIRT1-mediated mechanism, and thus SIRT1 plays an important role in excitotoxic neurodegeneration and therefore its pharmacological modulation might provide opportunities for therapy in motor neuron disorders. PMID- 29201362 TI - A generalized quantitative antibody homeostasis model: maintenance of global antibody equilibrium by effector functions. AB - The homeostasis of antibodies can be characterized as a balanced production, target-binding and receptor-mediated elimination regulated by an interaction network, which controls B-cell development and selection. Recently, we proposed a quantitative model to describe how the concentration and affinity of interacting partners generates a network. Here we argue that this physical, quantitative approach can be extended for the interpretation of effector functions of antibodies. We define global antibody equilibrium as the zone of molar equivalence of free antibody, free antigen and immune complex concentrations and of dissociation constant of apparent affinity: [Ab]=[Ag]=[AbAg]=KD. This zone corresponds to the biologically relevant KD range of reversible interactions. We show that thermodynamic and kinetic properties of antibody-antigen interactions correlate with immunological functions. The formation of stable, long-lived immune complexes correspond to a decrease of entropy and is a prerequisite for the generation of higher-order complexes. As the energy of formation of complexes increases, we observe a gradual shift from silent clearance to inflammatory reactions. These rules can also be applied to complement activation-related immune effector processes, linking the physicochemical principles of innate and adaptive humoral responses. Affinity of the receptors mediating effector functions shows a wide range of affinities, allowing the continuous sampling of antibody-bound antigen over the complete range of concentrations. The generation of multivalent, multicomponent complexes triggers effector functions by crosslinking these receptors on effector cells with increasing enzymatic degradation potential. Thus, antibody homeostasis is a thermodynamic system with complex network properties, nested into the host organism by proper immunoregulatory and effector pathways. Maintenance of global antibody equilibrium is achieved by innate qualitative signals modulating a quantitative adaptive immune system, which regulates molecular integrity of the host by tuning the degradation and recycling of molecules from silent removal to inflammatory elimination. PMID- 29201363 TI - Development and validation of makeup and sexualized clothing questionnaires. AB - Background: Body acceptance programs on college campuses indicated that collegiate women often report feeling pressure to dress in a sexualized manner, and use makeup to enhance beauty. Currently, no quantitative measures exist to assess attitudes and daily behaviors that may arise in response to perceived pressure to wear makeup or dress in a provocative manner. The goal of the current studies was to develop brief self-report questionnaires aimed at assessing makeup and sexualized clothing use and attitudes in young women. Methods: An exploratory factor analysis in a sample of 403 undergraduate women was used in Study 1 to create items to measure the pressure women feel to wear makeup and sexualized clothing. A confirmatory factor analysis (N = 153) was used in Study 2 to confirm the factor structure found in Study 1. An incremental validity analysis was also conducted in Study 2. Across both studies, participants completed online questionnaires. Results: In Study 1, items were developed for two questionnaires to assess perceived pressure to wear makeup and discomfort when not wearing makeup, and perceived pressure to wear sexualized clothing, and body image concerns with regards to sexualized clothing. The exploratory factor analyses revealed Unconfident and Unease scales for the Makeup Questionnaire (MUQ) and Body Dissatisfaction and Pressure scales for the Sexualized Clothing Questionnaire (SCQ). In Study 2, the confirmatory factor analyses confirmed the factor structure for the MUQ and SCQ. The incremental validity analysis revealed that these measures can be used to predict self-objectification and shape and weight concern in women. Conclusion: These studies provide preliminary support for the factor structure of two novel questionnaires aimed at assessing perceived pressure to wear makeup and sexualized clothing. PMID- 29201364 TI - The association between interpersonal problems and treatment outcome in patients with eating disorders. AB - Background: Interpersonal problems are thought to play an essential role in the development and maintenance of eating disorders. The aim of the current study was to investigate whether a specific interpersonal profile could be identified in a group of patients diagnosed with Bulimia Nervosa, Binge Eating Disorder, or Eating Disorders Not Otherwise Specified, and to explore if specific types of interpersonal problems were systematically related to treatment outcome in this group of patients. Methods: The participants were 159 patients who received systemic/narrative outpatient group psychotherapy. Interpersonal problems were measured at baseline, and eating disorder symptoms were measured pre- and post treatment. Data were analysed with the Structural Summary Method, a particular method for the analysis of the Inventory of Interpersonal Problems, and hierarchical regression analysis was conducted. Results: The patients demonstrated a generally Non-assertive and Friendly-submissive interpersonal style. No significant association between the overall level of interpersonal problems and treatment outcome was identified. However, the results showed a correlation between being cold and hostile and poor treatment outcome, while being domineering showed a trend approaching significance in predicting better treatment outcome. Conclusion: The results indicate that patients with eating disorders show a specific interpersonal profile, and suggest that particular types of interpersonal problems are associated with treatment outcome. PMID- 29201365 TI - Development of guidelines for giving community presentations about eating disorders: a Delphi study. AB - Background: Concerns exist around how to talk about eating disorders (EDs) due to evidence that suggests discussing ED symptoms and behaviours may cause or worsen symptoms in vulnerable people. Using expert consensus, we developed a set of guidelines for giving safe community presentations about EDs. Methods: Participants with professional ED expertise, and people with lived experience of an ED, were recruited for a Delphi study. N = 26 panel members rated 367 statements for both a) inclusion in guidelines, and b) their potential to be helpful (increase knowledge, reduce stigma) or harmful (increase stigma, cause/worsen ED symptoms). After each round of the study, statements were classified as endorsed, re-rate, or not endorsed. Results: 208 statements were endorsed by the panel over three rounds. 13 statements were strongly endorsed in the first round, with both people with lived experience and professionals agreeing it is important for presentations to include information on etiology of EDs and to promote help-seeking. Several statements had a high level of disagreement between those with lived experience and professionals, including the idea that presentations should suggest dieting is likely to result in weight gain. Discussion: The experts were able to develop consensus on a wide range of issues. Panel members, particularly people with lived experience, were sensitive to aspects of presentations that may be harmful to an audience. The guidelines fill an important gap in the literature and provide guidance to those educating the public about EDs; they should, however, be further evaluated to test their efficacy. PMID- 29201366 TI - Survey on the availability, price and affordability of selected essential medicines for non-communicable diseases in community pharmacies of Kathmandu valley. AB - Background: The access to essential medicines for non-communicable disease treatment is unacceptably low worldwide. The fundamental right to health cannot be fulfilled without equitable access to essential medicines. Methodology: A cross-sectional study was carried out in 94 community pharmacies of Kathmandu valley. Non-probability quota sampling method was adopted for the purpose. Village Development Committees with more than 5000 populations were included in the study. The availability of the selected essential medicines, their price and producer identity were observed. Data entry and analysis were carried out in Microsoft Excel and Statistical package for social science. Result: The availability of the essential medicines was not 100% in Kathmandu valley. High competition and high price variation were seen in metformin 500 mg (254.6%) and atorvastatin 10 mg (327.6%). The study showed that maximum (54.7%) brands were manufactured in Nepal. Furthermore, atorvastatin 10 mg (0.6 day wage) was found to be quite expensive, and glibenclamide 5 mg (0.1 day wage) was the cheapest one for diabetes mellitus treatment for 1 month of treatment period compared to daily wages of other essential medicines. Conclusion: The availability of the selected essential medicines was found to be ununiform and insufficient in the entire region. High competition was observed in the products with high price variation, and the access to cost-effective brand was poor. Furthermore, it was found that government salary is affordable to treat non-communicable disease with the help of the essential medicines. PMID- 29201367 TI - Services aimed at achieving desirable clinical outcomes in patients with chronic kidney disease and diabetes mellitus: A narrative review. AB - There is a large number of patients with chronic kidney disease (CKD), diabetes mellitus (DM), and hypertension (HT) but whether the targets on blood pressure (BP) control in patients with DM and/or CKD are met is not clear. This narrative review therefore investigated evidence on services aimed at achieving desirable clinical results in patients with CKD and DM, and HT in Australia. Literature pertaining to pathology diagnosis and management of these patients as well as the complexities in management were considered. This involved evidence from PubMed listed articles published between 1993 and 2016 including original research studies, focusing on randomised controlled trials and prospective studies where possible, systematic and other review articles, meta- analyses, expert consensus documents and specialist society guidelines, such as those from the National Heart Foundation of Australia, American Diabetes Association, the Department of Health, The Royal College of Pathologists of Australasia, and The Australasian College of Emergency Medicine. Based on the literature reviewed, it is yet unknown as to how effective programs, such as diabetes inpatient services, endocrine out-patient services, and cardiac rehabilitation services, are at achieving guideline recommendations. It is also not clear how or whether clinicians are encumbered by complexities in their efforts of adhering to DM, HT, and glucose control recommendations, and the potential reasons for clinical inertia. Future studies are needed to ascertain the extent to which required BP and glucose control in patients is achieved, and whether clinical inertia is a barrier. PMID- 29201368 TI - Medication use and falls: Applying Beers criteria to medication review in Parkinson's disease. AB - Objectives: Our goal was to assess the association between potentially inappropriate medication use and risk of falls in the Parkinson's disease population. Methods: This was a retrospective cohort study conducted at an outpatient Parkinson's Disease Treatment Center. Individuals 65 years of age or older, diagnosed with Parkinson's disease who attended at least three visits in 2015 for physical, occupational therapy, or physician's visits were included in the study. Electronic medical records were utilized to perform chart reviews, and medications were analyzed to identify prescription medications, combination preparations, over-the-counter medications, and dietary supplements. The goal of this study was to test the following hypothesis: elderly individuals with Parkinson's disease who take multiple potentially inappropriate medications are more likely to experience a fall compared to elderly individuals with Parkinson's disease who do not take multiple potentially inappropriate medications. Results: A higher mean number of prescription medications were associated with falls in elderly Parkinson's disease patients (6.53 vs 5.21, p < 0.01). Polypharmacy (taking five or more prescription and nonprescription medications) was not significantly associated with falls. Patients taking potentially inappropriate medications specifically contraindicated for those with a history of falls and fractures were more likely to report falls (p < 0.04). Analysis of the specific therapeutic medication categories demonstrated no significant differences between those who did and did not report falls. Conclusion: A future prospective study at Parkinson's disease center should include an electronic medical record-based intervention to reduce the total number of medications, as well as to minimize the use of high-risk medications. PMID- 29201369 TI - X-linked adult-onset adrenoleukodystrophy: Psychiatric and neurological manifestations. AB - Adult-onset adrenoleukodystrophy is a rare x-linked inborn error of metabolism occurring predominantly in males with onset in early 30s. Here, we report a 34 year-old male with first signs of disease in early 20s manifesting as a pure psychiatric disorder. Prior to onset of neurological symptoms, this patient demonstrated a schizophrenia and bipolar-like presentation. The disease progressed over the next 10-13 years and his memory and motor problems became evident around the age of 33 years. Subsequently, diagnostic testing showed the typical magnetic resonance imaging and lab findings for adult-onset adrenoleukodystrophy. This case highlights adult-onset adrenoleukodystrophy which may present as a pure psychiatric disturbance in early adulthood and briefly discusses the prolonged time between the onset of psychiatric symptoms and the onset of neurological disease. PMID- 29201370 TI - Salvage of mangled upper extremity using the Masquelet technique in a child: A case report. AB - Aim: To report our experience with the Masquelet concept in a pediatric upper extremity following an open injury to the elbow. Methods: A case report and literature review. Results: An 11-year-old boy was transferred to our institution after a motor vehicle collision. There was a primary loss of the ulnohumeral articulation and the surrounding soft tissues as well as the ulnar nerve. Reconstruction used the Masquelet-induced membrane technique and a soft tissue flap. At the 30-month follow-up, the extremity was pain free and functional. Conclusion: This case highlights the value of the Masquelet technique in pediatric extremity injuries, where there is a loss of a major articular segment, as well as significant soft tissue compromise. PMID- 29201371 TI - Giant thrombosed saphenofemoral junction aneurysm: A case report. AB - Introduction: Although saphenofemoral junction aneurysms are not so rare, only scarce of the published cases reported thrombosis of the aneurysmal sac and saphenous trunk. Presentation of case: A 65-year-old male with varicose disease, developed acute ascending superficial vein thrombosis of the left greater saphenous vein, involving the 6-cm saphenofemoral junction aneurysm. The patient underwent common femoral vein thrombectomy, aneurysm removal, and greater saphenous vein excision with uneventful postoperative course. Conclusion: Thrombosed giant saphenofemoral junction aneurysms require emergent surgical intervention aimed at preventing potential progression to deep vein thrombosis and pulmonary embolism. PMID- 29201372 TI - The importance of pheochromocytoma case detection in patients with neurofibromatosis type 1: A case report and review of literature. AB - Neurofibromatosis type 1 is a complex, multi-system genetic disorder that is associated with an increased prevalence of pheochromocytoma and paraganglioma compared to the general population, 1.0%-5.7% versus 0.2%-0.6%, respectively. A delay in pheochromocytoma and paraganglioma diagnosis or undiagnosed pheochromocytoma and paraganglioma, as seen in normotensive and asymptomatic patients, may portend a significant morbidity and mortality risk due to excess catecholamine secretion. Currently, there are no generally accepted guidelines of screening for pheochromocytoma and paragangliomas in asymptomatic individuals of this population with approaches and practices varying considerably between physicians. Emerging data suggest benefit in routine pheochromocytoma and paraganglioma screening of all individuals with neurofibromatosis type 1. Herein, we present a case to highlight how routine case detection screening would have identified pheochromocytoma earlier in an active duty military member. PMID- 29201373 TI - Free anterolateral thigh full-thickness skin flap with vascularized lateral femoral cutaneous nerve for the reconstruction of facial nerve and external auditory canal after the resection of facial nerve schwannoma. AB - The complex reconstruction of nerves and soft tissue in the head and neck region is still challenging, especially in cases requiring external auditory canal reconstruction with facial nerve reconstruction. We report a case of left facial schwannoma extending into the external auditory canal beyond the tympanic membrane with facial paralysis in which the reconstruction of both the facial nerve and external auditory canal was successfully performed using an anterolateral thigh flap as a super-thin full-thickness skin flap, including vascularized lateral femoral cutaneous nerve. Resection of 20 mm * 46 mm facial schwannoma, including the skin of the external auditory canal, tympanic membrane, incus and malleus, was performed. The 8-cm nerve gap was repaired using a vascularized lateral femoral cutaneous nerve included in the anterolateral thigh flap. An 8 cm * 2 cm super-thin, free anterolateral thigh flap was then rolled up as a sac (diameter of 2 cm, height of 2 cm) and inset to the external auditory canal defect. The postoperative course was uneventful, and the flap survived completely. One year and nine months after the surgery, the patient's facial movement has improved to the pre-surgery level. PMID- 29201375 TI - Children with lymphadenitis associated with Bacillus Calmette-Guerin (BCG) vaccination do not experience more infections when compared with BCG-vaccinated children without lymphadenitis: a three years paired-cohort in Mexico. AB - Objectives: Vaccination against tuberculosis with live-attenuated Bacillus Calmette-Guerin (BCG) is widely used even though its effectiveness is controversial. BCG-lymphadenitis (BCG-LA) is its most common complication. Some studies have proposed that BCG-LA can be associated with primary immunodeficiencies (PIs). This study's aim is to see whether patients who developed BCG-LA (named as 'LA') developed more infections than BCG-vaccinated children without BCG-LA (named as 'NON-LA'). Methods: From January 2009 to April 2014, 31 LA children were seen at the outpatient clinic of the General Hospital of Tijuana, Mexico. Among them, 22 (70.97%), 5 (16.13%) and 4 (12.9%) had axillary, supraclavicular, or both BCG-LA, respectively. No treatment was given and complications were not seen. Per LA subject, a NON-LA not >1 month of age difference and same gender was paired and followed for 3 years to look for ambulatory infections (AINFs), acute otitis media (AOM) and hospitalizations. Surveillance per patient was performed by phone monthly, and they were seen at the clinic every 4 months. All patients were HIV-negative and had no family history of PI. Statistical analyses used were relative risk (RR) with confidence intervals (CI), t test for independent variables and z test. Results: In total 62 subjects were enrolled: 31 LA paired with 31 NON-LA. Between them, there were no differences in age, day care attendance and breastfeeding. There were no differences in the total number of AINF per patient (LA: 18.61 avg. +/- 5.03 SD versus NON-LA: 18.19 avg. +/- 4.17 SD, RR = 1.06, 95% CI = 0.33-0.66), AOM total episodes (LA: 30 versus NON-LA: 26, RR = 0.87, 95% CI = 0.31-0.68) and hospitalizations (LA: 5 versus NON-LA: 4, RR = 1, 95% CI = 0.25-0.74). Conclusions: This cohort strongly suggests that BCG-LA in healthy children is not associated with more episodes of AINF and hospitalizations, when paired and compared with children BCG-vaccinated without BCG-LA. PMID- 29201374 TI - Liposomal adjuvant development for leishmaniasis vaccines. AB - Leishmaniasis is a parasitic disease that ranges in severity from skin lesions to fatality. Since long-lasting protection is induced upon recovery from cutaneous leishmaniasis, development of an effective vaccine is promising. However, there is no vaccine for use in humans yet. It seems limited efficacy in leishmaniasis vaccines is due to lack of an appropriate adjuvant or delivery system. Hence, the use of particulate adjuvants such as liposomes for effective delivery to the antigen presenting cells (APCs) is a valuable strategy to enhance leishmaniasis vaccine efficacy. The extraordinary versatility of liposomes because of their unique amphiphilic and biphasic nature allows for using antigens or immunostimulators within the core, on the surface or within the bilayer, and modulates both the magnitude and the T-helper bias of the immune response. In this review article, we attempt to summarize the role of liposomal adjuvants in the development of Leishmania vaccines and describe the main physicochemical properties of liposomes like phospholipid composition, surface charge, and particle size during formulation design. We also suggest potentially useful formulation strategies in order for future experiments to have a chance to succeed as liposomal vaccines against leishmaniasis. PMID- 29201376 TI - Quantifying animal movement for caching foragers: the path identification index (PII) and cougars, Puma concolor. AB - Background: Many studies of animal movement have focused on directed versus area restricted movement, which rely on correlations between step-length and turn angles and on stationarity through time to define behavioral states. Although these approaches might apply well to grazing in patchy landscapes, species that either feed for short periods on large, concentrated food sources or cache food exhibit movements that are difficult to model using the traditional metrics of turn-angle and step-length alone. Results: We used GPS telemetry collected from a prey-caching predator, the cougar (Puma concolor, Linnaeus), to test whether combining metrics of site recursion, spatiotemporal clustering, speed, and turning into an index of movement using partial sums, improves the ability to identify caching behavior. The index was used to identify changes in movement characteristics over time and segment paths into behavioral classes. The identification of behaviors from the Path Identification Index (PII) was evaluated using field investigations of cougar activities at GPS locations. We tested for statistical stationarity across behaviors for use of topographic view sheds. Changes in the frequency and duration of PII were useful for identifying seasonal activities such as migration, gestation, and denning. The comparison of field investigations of cougar activities to behavioral PII classes resulted in an overall classification accuracy of 81%. Conclusions: Changes in behaviors were reflected in cougars' use of topographic view-sheds, resulting in statistical nonstationarity over time, and revealed important aspects of hunting behavior. Incorporating metrics of site recursion and spatiotemporal clustering revealed the temporal structure in movements of a caching forager. The movement index PII, shows promise for identifying behaviors in species that frequently return to specific locations such as food caches, watering holes, or dens, and highlights the potential role memory and cognitive abilities play in determining animal movements. PMID- 29201377 TI - Use of wearable devices for post-discharge monitoring of ICU patients: a feasibility study. AB - Background: Wearable devices generate signals detecting activity, sleep, and heart rate, all of which could enable detailed and near-continuous characterization of recovery following critical illness. Methods: To determine the feasibility of using a wrist-worn personal fitness tracker among patients recovering from critical illness, we conducted a prospective observational study of a convenience sample of 50 stable ICU patients. We assessed device wearability, the extent of data capture, sensitivity and specificity for detecting heart rate excursions, and correlations with questionnaire-derived sleep quality measures. Results: Wearable devices were worn over a 24-h period, with excellent capture of data. While specificity for the detection of tachycardia was high (98.8%), sensitivity was low to moderate (69.5%). There was a moderate correlation between wearable-derived sleep duration and questionnaire derived sleep quality (r = 0.33, P = 0.03). Devices were well-tolerated and demonstrated no degradation in quality of data acquisition over time. Conclusions: We found that wearable devices could be worn by patients recovering from critical illness and could generate useful data for the majority of patients with little adverse effect. Further development and study are needed to better define and enhance the role of wearables in the monitoring of post-ICU recovery. Trial registration: Clinicaltrials.gov, NCT02527408. PMID- 29201378 TI - Time to re-think the use of dobutamine in sepsis. AB - Dobutamine is commonly used worldwide and included in the protocol for early goal directed therapy (EGDT). Since the use of dobutamine in EGDT was reported, it has been considered to be an important component, especially in the treatment of septic patients with myocardial dysfunction. However, it is questionable whether dobutamine improves the mortality of sepsis and septic shock. In three recent randomized controlled trials (ProCESS, ProMISe, and ARISE trials), the frequency of dobutamine use was significantly higher in the EGDT group than in the standard care group, but there were no significant differences in the mortality between the groups. These results suggested that dobutamine use may have been overemphasized despite its insignificant effect on the mortality in septic patients. Further, a propensity score analysis revealed that dobutamine use was associated with higher mortality in patients with septic shock. Although dobutamine leads to an increase in cardiac index, myocardial oxygen demand also increases, thus increasing the risk of myocardial ischemia and tachyarrhythmia. It is well known that the mortality in sepsis complicated with atrial fibrillation (AFib) is worse than that in sepsis without AFib. A propensity score matched analysis reported that beta-blockers were associated with better survival in patients with sepsis complicated with AFib. Further, a randomized controlled trial reported that a short-acting beta-blocker improved the survival in patients with septic shock. These studies also indicated the risk of beta-stimulation during sepsis. Notably, improvements in surrogate markers, such as CI, do not always indicate improvements in patient-centered outcomes, such as mortality. Conversely, some evidence indicates the worsening of patient-centered outcomes despite improvements in surrogate markers. Thus, available evidence suggests that the benefits of dobutamine in patients with sepsis are unclear, but its use might be harmful rather than beneficial, considering the beneficial effects of beta blockers in sepsis that have been reported in recent clinical studies. From this perspective, we will soon have to rethink regarding dobutamine use in patients with sepsis. PMID- 29201379 TI - Knowledge, attitude and practice of students towards blood donation in Arsi university and Adama science and technology university: a comparative cross sectional study. AB - Background: Blood can save millions of lives. Even though people do not donate blood regularly, there is a constant effort to balance the supply and demand of blood. The aim of this study was, therefore, to determine the knowledge, attitude and practice of blood donation between university students. Methods: The comparative cross sectional study design was used in Adama Science and Technology University and Arsi University from April 11-May 2, 2016.360 students were selected using stratified sampling. Frequencies and proportions were computed. Chi-Square and logistic regressions were carried out and associations were considered significant at p<0.05. Result: The study revealed that there was a significant knowledge difference (chi2 = 152.779, p<0.001) and Attitude difference (chi2 = 4.142, p = 0.042) between Health Science students of Arsi University and Non-Health Science students of Adama Science and Technology University. The gender of the students (AOR = 3.150, 95% CI: 1.313, 7.554) was a significant predictor of the level of knowledge of Health Science students. The ethnicity of students (AOR = 2.085, 95% CI: 1.025, 4.243) was a significant predictor of the level of an attitude of Health Science students and gender of students (AOR = 0.343, 95% CI: 0.151, 0.779) was a significant predictor of the level of an attitude of Health Science students. Concerning Non-Health Science students, religion (AOR = 10.173, 95% CI: 1.191, 86.905) and original residence (AOR = 0.289, 95% CI: 0.094, 0.891) were a significant predictor of the level of knowledge of Non-Health Science students. Gender (AOR = 0.389, 95% CI: 0.152, 0.992) and Year of study (AOR = 0.389(0.164, 0.922) were significant predictor of level of attitude of Non-Health Science students. Year of study (AOR = 5.159, 95% CI: 1.611, 16.525) was a significant predictor of level of practice of Health Science students. Conclusion: Significant knowledge difference and attitude difference were observed between students from Arsi University and Adama Science and Technology University. PMID- 29201380 TI - First case of bacteraemia due to Acinetobacter schindleri harbouring blaNDM-1 in an immunocompromised patient. AB - Clinically significant NDM-1-producing Acinetobacter schindleri has not yet been described in the literature. We report the first case of bacteraemia due to an A. schindleri strain harbouring blaNDM-1 recovered from an immunocompromised patient. Our report reinforces the fact that NDM-1 can easily be acquired by Acinetobacter species. PMID- 29201381 TI - Culture-independent genome sequencing of Coxiella burnetii from a native heart valve of a Tunisian patient with severe infective endocarditis. AB - We report draft genome of a Coxiella burnetii strain sequenced from the native valve of a patient presenting with severe endocarditis in Tunisia. The genome could be sequenced without a cellular or axenic culture step. The MST5 strain was demonstrated to be closely related to the published reference genome of C. burnetii CbuK_Q154. PMID- 29201382 TI - Optimization of interpolation method for nitrate pollution in groundwater and assessing vulnerability with IPNOA and IPNOC method in Qazvin plain. AB - Background: The presence of nitrate is one of the factors limiting the quality of groundwater resources, particularly in arid and semi-arid climates. Therefore, the knowledge about the distribution of nitrate in groundwater and its source has an effective role in protecting health. The study aimed to optimize an interpolation method to predict the nitrate concentration and assessment of aquifer vulnerability in Qazvin plain. Methods: One hundred sixty-two deep wells in Qazvin plain aquifer were randomly selected and nitrate concentration was analyzed in four different lands including agricultural, residential, steppe and mixed-use areas. Interpolation was done by IDW, Spline, Kriging and National neighbor methods using ArcGIS software. To select the best interpolation method, errors of predicted values were determined by Mean Relative Error (RME) and Root Mean Square Error (RMSE). For analysis of potential vulnerability of aquifer to nitrate pollution due to agricultural activity and sewage leaks, hazard factors and control factors were used for identification of hazard indexes (HI) using IPNOA and IPNOC model. Results: The results showed that in 8.82% and 18.52% of samples in agricultural and residential areas, the detected nitrate was above the acceptable level at 50 mg/L. National neighbor method with the lowest RME and Spline method with the lowest RMSE were provided the most accurate estimates of nitrates in the aquifer. The highest hazard was obtained in agricultural areas (HI = 6.11). Also, the most influential parameters on aquifer vulnerability were mineral fertilizer (HFf = 3), organic fertilizers (HFm = 3), irrigation systems (CFi = 1.04) and tillage patterns (CFap = 1.04). Conclusions: According to the results, National neighbor with the lowest RME was preferable than the other spatial interpolation methods for prediction of nitrate concentration in the aquifer. This method provided similar spatial distribution maps of nitrate in groundwater and that was an efficient method for assessing water quality. Hazard index as a result of agricultural activities (IPNOA) was ranged from "very low" to "low" which was in accordance with detected and predicted nitrate concentration in the aquifer. In addition he hazard of nitrate contamination from household (IPNOC) was in very low (class 2). PMID- 29201383 TI - An autosomal recessive mutation in SCL24A4 causing enamel hypoplasia in Samoyed and its relationship to breed-wide genetic diversity. AB - Background: Pure breeding of dogs has led to over 700 heritable disorders, of which almost 300 are Mendelian in nature. Seventy percent of the characterized mutations have an autosomal recessive mode of inheritance, indicative of positive selection during bouts of inbreeding primarily for new desired conformational traits. Samoyed suffer from several common complex genetic disorders, but up to this time only two X-linked and one autosomal dominant disorder have been identified. Previous studies based on pedigrees and SNP arrays have concluded that Samoyed breeders have done a good job in maintaining genetic diversity and avoiding excessive inbreeding. This may explain why autosomal recessive disorders have not occurred to the extent observed in many other breeds. However, an enamel hypoplasia analogous to a form of autosomal recessive amelogenesis imperfecta (ARAI) in humans has been recently characterized in Samoyed, although the causative mutation appears to have existed for three or more decades. The rise of such a mutation indicates that bouts of inbreeding for desired conformational traits are still occurring despite an old and well-defined breed standard. Therefore, the present study has two objectives: 1) measure genetic diversity in the breed using DNA and short tandem repeats (STR), and 2) identify the exact mutation responsible for enamel hypoplasia in the breed, possible explanations for its recent spread, and the effect of eliminating the mutation on existing genetic diversity. Results: The recent discovery of an autosomal recessive amelogenesis imperfecta (ARAI) in Samoyed provides an opportunity to study the mutation as well as genetic factors that favored its occurrence and subsequent spread. The first step in the study was to use 33 short tandem repeat (STR) loci on 25/38 autosomes and seven STRs across the dog leukocyte antigen (DLA) class I and II regions on CFA12 to determine the DNA-based genetic profile of 182 individuals from North America, Europe and Australia. Samoyed from the three continents constituted a single breed with only slight genetic differences. Breed wide genetic diversity was low, most likely from a small founder population and subsequent artificial genetic bottlenecks. Two alleles at each autosome locus occurred in 70-95% of the dogs and 54% of alleles were homozygous. The number of DLA class I and II haplotypes was also low and three class I and two class II haplotypes occurred in 80-90% of individuals. Therefore, most Samoyed belong to two lines, with most dogs possessing a minority of existing genetic diversity and a minority of dogs containing a majority of diversity. Although contemporary Samoyed lack genetic diversity, the bulk of parents are as unrelated as possible with smaller subpopulations either more inbred or outbred than the total population. A familial disorder manifested by hypocalcification of enamel has been recently identified. A genome wide association study (GWAS) on seven affected and five unrelated healthy dogs pointed to a region of extended homozygosity on Canis familiaris autosome 8 (CFA8). The region contained a gene in the solute carrier 24 family (SCL24A4) that encodes a protein involved in potassium dependent sodium/calcium exchange and transport. Mutations in this gene were recently found to cause a similar type of enamel hypoplasia in people. Sequencing of this candidate gene revealed a 21 bp duplication in exon 17. A test for the duplication was in concordance with the disease phenotype. The exact incidence of affected dogs is unknown, but 12% of the 168 healthy dogs tested were heterozygous for the mutation. This population was biased toward close relatives, so a liberal estimate of the incidence of affected dogs in the breed would be around 3.6/1000. Theoretical calculations based on the comparison of the whole population with a population devoid of carriers indicated that eliminating the trait would not affect existing genetic diversity at this time. Conclusions: The contemporary Samoyed, like many other breeds, has retained only a small portion of the genetic diversity that exists among all dogs. This limited genetic diversity along with positive genetic selection for desirable traits has led to at least three simple non-recessive genetic disorders and a low incidence of complex genetic traits such as autoimmune disease and hip dysplasia. Unlike many other pure breeds, the Samoyed has been spared the spate of deleterious autosomal recessive traits that have plagued many other pure breeds. However, ARAI due to a mutation in the SCL24A4 gene has apparently existed in the breed for several decades but is being increasingly diagnosed. The increase in diseased dogs is most likely due to a period of intensified positive selection for some desired conformational trait. A genetic test has been developed for identifying the mutation carriers which will enable the breeders to eliminate enamel hypoplasia in Samoyed by selective breeding and it appears that this mutation can be eliminated now without loss of genetic diversity. PMID- 29201384 TI - Rottweilers under primary veterinary care in the UK: demography, mortality and disorders. AB - Background: Rottweilers are reportedly predisposed to many disorders but accurate prevalence information relating to the general population are lacking. This study aimed to describe demography, mortality and commonly recorded diseases in Rottweilers under UK veterinary care. Clinical health records within the VetCompass Programme were explored for disorders recorded during 2013. Results: Rottweilers comprised 5321 (1.17%) of 455,557 dogs attending 304 clinics. Annual proportional birth rates dropped from 1.75% in 2006 to 1.07% in 2013. Median adult bodyweight overall was 44.9 kg (IQR 39.55-51.00, range 20.00-88.80). Median male adult bodyweight (48.5 kg, interquartile range [IQR] 43.0-54.0, range 20.0 88.8) was heavier than female (41.5 kg, IQR 37.0-46.4, range 21.1-73.5) (P < 0.001). Median longevity overall was 9.0 years (IQR 7.2-10.5, range 0.0-17.0). Median female longevity (9.5 years, IQR 7.8-11.0) was greater than male (8.7 years, IQR 6.8-10.1) (P = 0.002). The most common causes of death were neoplasia (33.0%), inability to stand (16.0%) and mass-associated disorder (7.1%).At least one disorder was recorded for 60.31% of Rottweilers. The most prevalent specific disorders recorded were aggression (7.46%, 95% CI 6.40-8.64), overweight/obesity (7.06%, 95% CI: 6.02-8.21), otitis externa (6.14%, 95% CI: 5.18-7.23) and degenerative joint disease (4.69%, 95% CI: 3.84-5.66). Male Rottweilers had higher prevalence than females for aggression (9.36% versus 5.47%, P = 0.001) and pyotraumatic dermatitis (4.05% versus 1.76%, P = 0.001). Aggression was more prevalent in neutered than entire females (7.5% versus 3.1%, P = 0.003) but did not differ between neutered and entire males (9.6% versus 9.0%, P = 0.773). The most frequent disorder groups were musculoskeletal (12.01%, 95% CI: 10.69-13.45), dermatological (10.96%, 95% CI: 9.69-12.35), gastro-intestinal (195, 8.87%, 95% CI: 7.72-10.14), undesirable behaviour (7.96%, 95% CI: 6.87-9.18) and neoplasia (7.96%, 95% CI: 6.87-9.18). Conclusions: The current study assists prioritisation of health issues within Rottweilers. Rottweilers are relatively short-lived and neoplasia is a common cause of death. The most common disorders were aggression, overweight/obesity, otitis externa and degenerative joint disease. Males were significantly heavier, shorter-lived and predisposed to aggression than females. These results can alert prospective owners to potential health issues and optimise sex selection decision-making. PMID- 29201385 TI - Identifying the hidden burden of allergic rhinitis (AR) in community pharmacy: a global phenomenon. AB - Background: Patients with allergic rhinitis often trivialise their condition, self-manage inappropriately, and would benefit from health care intervention. The primary point of health care contact for these self-managing allergic rhinitis patients is the community pharmacy. With the majority of allergic rhinitis treatments being available for purchase over the counter, without health care professional contact, we know little about how the patients self-manage. This study aims to identify the burden of allergic rhinitis in the community pharmacy and to identify key opportunity for intervention. Methods: Pharmacy customers, who purchased nasal treatment in a community pharmacy, were approached with a research-administered questionnaire that collected data on medical history, symptoms and products purchased for the treatment of nasal symptoms. Results: Of the 296 participants, 69.9% self-managed with over-the-counter medications; with 68% experiencing allergic rhinitis symptoms and only 44.3% of this subgroup had a doctor's diagnosis. Nasal congestion (73.6%) was most commonly experienced and oral antihistamines were most commonly purchased (44.3%), indicating a pattern of suboptimal management. A third of participants (36.5%) experienced moderate severe symptoms, persistently, which impacted on their daily living. Medication selection was mainly based on pharmacy customers' perceptions of medication effectiveness (47.6%). Conclusion: A majority of participants that self-selected over-the-counter medications have symptoms consistent with allergic rhinitis, with almost half not having received a diagnosis. Medication purchasing patterns suggest that sub-optimal therapeutic decisions made by participants, even when they are experiencing significant symptoms. This study uncovers the hidden burden of allergic rhinitis in the community pharmacy and a missed opportunity to intervene and refer if necessary. Patients need to be guided through appropriate treatment as this study showed that many should be referred to a medical practitioner. PMID- 29201386 TI - Meta-research metrics matter: letter regarding article "indirect tolerability comparison of Deutetrabenazine and Tetrabenazine for Huntington disease". AB - Here we discuss the report by Claassen and colleagues describing an indirect treatment comparison between tetrabenazine and deutetrabenazine for chorea in Huntington's disease using individual patient data. We note the potential for discrepancies in apparently statistically significant findings, due to the rank reversal phenomenon. We provide some cautionary observations and suggestions concerning the limitations of indirect comparisons and the low likelihood that good quality evidence will become available to guide clinical decision comparing these two agents. PMID- 29201387 TI - A half century of electronic fetal monitoring and bioethics: silence speaks louder than words. AB - Bioethics abolished the prevailing Hippocratic tenet instructing physicians to make treatment decisions, replacing it with autonomy through informed consent. Informed consent allows the patient to choose treatment after options are explained by the physician. The appearance of bioethics in 1970 coincided with the introduction of electronic fetal monitoring (EFM), which evolved to become the fetal surveillance modality of choice for virtually all women in labor. Autonomy rapidly pervaded all medical procedures, but there was a clear exemption for EFM. Even today, EFM remains immune to the doctrine of informed consent despite continually mounting evidence which proves the procedure is nothing more than myth, illusion and junk science that subjects mothers and babies alike to increased risks of morbidity and mortality. And ethicists have remained utterly silent through a half century of EFM misuse. Our article explores this egregious ethical failure by reviewing EFM's lack of clinical efficacy, discussing the EFM related harm to mothers and babies, and focusing on the reasons that this obstetrical procedure eluded the revolutionary change from the Hippocratic tradition to autonomy through informed consent. PMID- 29201389 TI - The feasibility of assessing swallowing physiology following prolonged intubation after cardiovascular surgery. AB - Background: Dysphagia following prolonged intubation after cardiovascular (CV) surgery is common occurring in 67% of patients; however, this population's swallowing physiology has never been prospectively evaluated using standardized methods. Hence, prior to conducting a larger study, our primary objective was to determine the feasibility of assessing swallowing physiology using instrumentation and validated interpretation methods in cardiovascular surgical patients following prolonged intubation. Method: From July to October 2011, we approached adults undergoing CV surgery at our institution who were intubated > 48 h. Those with a tracheostomy were excluded. Videofluoroscopic swallowing study (VFS) and nasendoscopy were completed within 48 h after extubation. Feasibility measurements included recruitment rate, patient participation, task completion durations, and the inter-rater reliability of VFS measures using the intraclass correlation coefficient (ICC). VFSs were interpreted using perceptual rating tools (Modified Barium Swallow Measurement Tool for Swallow ImpairmentTM(c) and Penetration Aspiration Scale) and objective displacement measurements (hyoid displacement and pharyngeal constriction ratio). Results: Of the 39 patients intubated > 48 h, 16 met inclusion criteria with three enrolled and completing the VFS. All refused nasendoscopy. Across all VFSs, rating completion time ranged from 14.6 to 51.7 min per patient with ICCs for VFS scales ranging from 0.25 (95% CI - 0.10 to 0.59) to 0.99 (95% CI 0.98 to 0.99). Conclusions: This study design was not feasible as recruitment was slow, few patients participated, and no patient agreed to all procedures. We discuss necessary methodological changes and lessons learned that would generalize to future research. PMID- 29201388 TI - Evaluating the feasibility of conducting a trial using a patient decision aid in implantable cardioverter defibrillator candidates: a randomized controlled feasibility trial. AB - Background: Patient decision aids (PtDA) support quality decision-making. The aim of this research was to evaluate the feasibility of conducting a randomized controlled trial delivering an implantable cardioverter defibrillator (ICD) specific PtDA to new ICD candidates and examining preliminary estimates of differences in outcomes. Methods: Prior to recruitment, ICD candidacy was determined. Consented patients were randomized to (1) usual care or (2) PtDA intervention. Feasibility outcomes included referral and recruitment rates, successful PtDA delivery, and completion of measures. The PtDA intervention was administered prior to specialist consultation and baseline demographics, and measures of decision quality including decisional conflict (DCS), SURE test (Sure of myself, Understand information, Risk-benefit ratio, Encouragement), patient's ICD specific values, ICD knowledge, and health-related quality of life were recorded. Post-consultation, participant's DCS was repeated and decisions to proceed, decline, or defer ICD implantation were collected. Feasibility data was determined using descriptive statistics (continuous and categorical). Preliminary estimates of differences in outcomes were assessed using mean differences. Concordance between values and decision choice was assessed using logistic regression of the intervention group. Results: We identified 135 eligible patients. Eighty-two consented to the trial randomizing patients to usual care (n = 41) or PtDA intervention (n = 41). Feasibility outcome results were (1) referral rate at approximately 20/month, (2) recruitment rate 61%, and (3) successful delivery of PtDA and study management. Pre-consultation, PtDA patients scored lower on the DCS scale (mean, standard deviation [SD] 27.3 (18.4) compared to usual care, 49.4 (18.6); the between-group difference in means [95% confidence interval (CI)] was - 22.1[- 30.23, - 13.97]. A difference remained post implantation 21.2 (11.7), PtDA intervention 29.9 (13.3), and usual care - 8.7 [- 14.61, - 2.86]. SURE test results supported DCS differences. The PtDA group scored higher on the ICD-related knowledge questions, with 47.50% scoring greater than 3/5 of the knowledge questions correct, compared to 23.09% receiving usual care. The mean [SD] number of correct knowledge responses out of 5 was 3.33(1.19) in the PtDA group and 2.62 (1.16) in usual care pre-implant. Concordance between values and decision choice found a strong association between predicted and actual ICD implant status in the intervention group. Conclusion: Our results suggest that a future definitive trial is feasible. The ICD-specific PtDA shows promise with respect to preliminary estimates of differences in outcomes. Trial registration: NCT01876173. PMID- 29201390 TI - Caring for Caregivers (C4C): study protocol for a pilot feasibility randomised control trial of Positive Written Disclosure for older adult caregivers of people with psychosis. AB - Background: The caregivers of people who experience psychosis are themselves at risk of developing physical and mental health problems. This risk is increased for older adult caregivers who also have to manage the lifestyle and health changes associated with ageing. As a consequence, older adult caregivers are in particular need of support; we propose a Written Emotional Disclosure (WED) intervention, called Positive Written Disclosure (PWD). Methods/design: This is a pilot randomised controlled trial of PWD compared to a neutral writing control and a no writing condition. We aim to recruit 60 participants, 20 in each arm. This study will utilise a mixed-methods approach and collect quantitative (questionnaires) and qualitative (interviews) data. Quantitative data will be collected at baseline and 1, 3, and 6 months post baseline. Participants who complete a writing task (PWD or neutral writing control) will be invited to complete an exit interview to discuss their experiences of the intervention and study. The study is supported by a patient and public involvement group. Discussion: The results of this trial will determine whether a definitive trial is justified. If so, the quantitative and qualitative findings will be used to refine the intervention and study protocols. Trial registration: ISRCTN, ISRCTN79116352. Registered on 23 January 2017. PMID- 29201391 TI - The effect of obesity on intraoperative complication rates with hysteroscopic compared to laparoscopic sterilization: a retrospective cohort study. AB - Background: Surgical sterilization is a common method of contraception. There have been few studies evaluating the effect of obesity on procedural complications with either laparoscopic or hysteroscopic methods of sterilization. The purpose of this study was to compare the incidence of intraoperative complications of hysteroscopic tubal occlusion with laparoscopic tubal ligation among obese and nonobese women. Methods: This retrospective cohort study compared women undergoing interval laparoscopic or hysteroscopic sterilization in the operating room between September 2009 and December 2011 at a single hospital. Serious complications included: unintended surgery, uterine perforation, anaphylaxis, blood transfusion, infection requiring antibiotics, hospital admission, fluid overload, myocardial infarction, and venous thromboembolism. Post-operative events included: nausea/vomiting, doctor evaluation or additional pain medication required in the recovery room, and emergency department visit within 2 weeks of surgery. The association between sterilization type and incidence of complications was examined overall, separately by BMI group, and also among patients who received general anesthesia. Results: A total of 433 laparoscopic and 277 hysteroscopic procedures were reviewed. The BMI distribution of the sample was 35 % normal weight, 31 % overweight, and 34 % obese which is comparable to the general US female population. No life-threatening events were identified. Serious complications were similar with 20 (4.6 %) in the laparoscopic group and 11 (4.0 %) in the hysteroscopic group (p = 0.9). The most common serious complications were bleeding from the tube, cervical laceration, and uterine perforation. Although not statistically significant, women with a BMI of 30 or greater had only 1 (1 %) serious complication in the hysteroscopic group compared to 7 (5.2 %) in the laparoscopic group. Postoperative events were increased in the laparoscopic group (16.2 %) compared to the hysteroscopic group (6.9 %), especially among overweight and obese women (p <0.01). Failure to complete the intended bilateral occlusion occurred for 14 women in the hysteroscopic group compared to just one woman in the laparoscopic group (p <0.001). Conclusion: Both laparoscopic and hysteroscopic tubal sterilization are safe with few serious complications based on these data. No cases of laparotomy, blood transfusion, or life-threatening events were identified. There was no difference in serious complication rate by sterilization method. Overweight and obese women were no more likely to experience a serious complication with either method than women with a BMI <25. There were fewer postoperative events (p <0.01) with hysteroscopic sterilization, but far fewer failed laparoscopic procedures (p <0.001). These study findings can be used to enhance sterilization counseling. PMID- 29201392 TI - Trends in contraceptive practices among women in reproductive age at a health facility in Ghana: 2011-2013. AB - Background: There is dearth of information on contraceptive use among women in reproductive age in Ghana over time. This study sought to examine the trends in contraceptive practices among women in reproductive age in a health facility in Ghana in terms of acceptor rates, age at first reporting and couple-years of protection. Methods: The contraceptive data of women were extracted from the registry of a health facility for a three-year period from 2011 to 2013. Graphs and tables were used to present the trends in the use of various contraceptive methods for the study period. Results: Depot Medroxyprogesterone Acetate (Depo Provera) was the most accepted contraceptive method as well as the most protective method against unwanted pregnancies for the three-year period. However, male condom, estradiol valerate/norethindrone enanthate (Norigynon) and pills were the lowest among all the contraceptives used by women for the study period in terms of acceptance, while intra-uterine device had the lowest couple years of protection. Conclusions: Some contraceptive methods have been consistently under-utilised by women in the catchment area and needed to be promoted to improve upon the contraceptive use rate. PMID- 29201393 TI - Medical student simulation training in intrauterine contraception insertion and removal: an intervention to improve comfort, skill, and attitudes. AB - Background: Opportunities for medical students to place intrauterine contraception (IUC) in patients are rare. Our objective was to determine whether participation in an IUC insertion and removal simulation exercise would increase medical students' comfort level with, attitudes towards, and willingness to recommend IUC. Methods: A prospective cohort study was undertaken in all students completing the obstetrics and gynecology clerkship at a major academic hospital during the 2010-2011 academic year. The exposure consisted of a 45-minute interactive didactic session and a 30-minute, hands-on practicum in IUC placement and removal using medical instruments and realistic pelvic models. Both levonorgestrel and Cu380A IUC devices were utilized. Participants completed a pre and post-simulation survey instrument, designed to examine students' IUC specific knowledge, comfort, and attitudes. Pre- and post-simulation responses were compared by McNemar's test for paired samples. Results: Thirty-five paired pre- and post-simulation surveys were analyzed, representing a 78 % response rate. Composite IUC-related knowledge scores increased by a median of 3 out of 10 points after the intervention (p < 0.01). Students were significantly more comfortable counseling patients about IUC as well as inserting IUC after the intervention, compared to before. Seven (20 %) students before, compared to 27 (77 %) after, agreed with the statement, "I feel comfortable placing an IUC in a patient under the supervision of an experienced doctor" (p < 0.01). Students developed significantly more favorable attitudes towards IUC through the intervention. Nineteen (54 %) participants before, compared to 27 (77 %) after, agreed with the statement, "I would recommend an IUC to my family member" (p = 0.02). Conclusions: A hands-on simulation during the obstetrics and gynecology clerkship increased medical students' knowledge of and comfort with IUC and resulted in more favorable attitudes toward the method. Intrauterine contraception simulation in medical curricula may help expand utilization of this effective contraceptive method. PMID- 29201394 TI - LARC methods: entering a new age of contraception and reproductive health. PMID- 29201395 TI - Health knowledge, attitudes and practices of family planning service providers and clients in Akwapim North District of Ghana. AB - Background: Family planning services help save lives by reducing women's exposure to risks of child birth and abortion. While family planning services provide measures to prevent unintended pregnancies and time the formation of families, the acceptability and coverage is still very low worldwide. Some of the reasons for this include poor quality of service, unavailability of range of methods, fear of opposition from partners, side effects and health concerns among others.About 40 % of the world's 215,000 annual deaths in childbirth occur in the Sub-Saharan region. In Ghana, urban-rural fertility differences range from two to three children. The acceptability and coverage of family planning are still low and in the study area in particular. Methods: We sought to examine factors that contribute to low acceptability and coverage of family planning services in a sub urban community with a design of quantitative cross-sectional. Ethical approval was given by the Ghana Health Service. Midwives and community health nurses who provide family planning services were interviewed. Exit-interview was also conducted with women receiving a variety of outpatient services. Results: Most of the women in this study (48.7 %) were in the 25-34 age range and were either married (42.8 %) or cohabiting (40.5 %). Majority of these women (67.7 %) have middle/Junior high level of formal education with a modal parity of two. Sixty eight (68) clients were identified as current family planning users. About 6.0 % and 4.5 % were dissatisfied about auditory and visual privacy during counselling respectively. This was confirmed by providers who attributed it to inappropriate facility layout. Most of the clients (79.1 %) were not given educational materials although 88.8 % were talked to about family planning and this could be due to unavailability of these hand-outs.Though clients show satisfaction of services received, providers did not follow standard protocols with as much as 73.7 % faced with challenges in provision of services which were attributed to improper facility layout and lack of furniture. About 77.2 % were willing to provide short term methods, while 91.2 % wanted to provide long term methods. As much as 93.3 % of the women said they would have liked providers give more detailed information on family planning. While most of the women (88.3 %) used injectables, only 6.1 % and 0.9 % used Implants and IUD respectively. Conclusions: Finding ways to improve client privacy through good facility layout will ensure visual and auditory privacy to enhance family planning service provision and uptake. Continuous competency training will assist providers design innovative action plans and meet client satisfaction needs. PMID- 29201396 TI - A novel approach to postpartum contraception: a pilot project of Pediatricians' role during the well-baby visit. AB - Background: Postpartum women are at high risk of unintended pregnancy as many do not receive timely postpartum contraception. Utilization of routine postpartum care varies widely. Conversely, the Well-Baby Visit (WBV) for newborns is highly utilized and provides an opportunity to discuss contraception with mothers. This project aimed to test the feasibility and acceptability of having pediatric residents administer a simplified Reproductive Life Plan Tool (RLPT) with postpartum women during routine infant care. Methods: Pediatric resident physicians used the RLPT with mothers of infants 16-weeks of age or less during WBVs. The RLPT prompts physicians to ask general questions about women's contraceptive needs and offer referral services for mothers who desire contraception services. Residents participated in a feedback session and survey to assess acceptance and perceived feasibility of using the RLPT during routine care. Results: Pediatric residents completed 50 RLPTs. Seventeen percent of eligible women accepted a referral to contraception services. During feedback sessions, pediatric residents (n = 18) reported comfort implementing the intervention and acceptance of the RLPT for discussing contraception. Concerns included limited time during the WBV and the potential to shift focus away from infant. On a post-intervention survey (n = 14), 92.9 % of physicians reported comfort in using the RLPT, and 71.4 % reported that the tool was easily understood although findings were varied regarding ease of implementing a RLPT in practice. Conclusions: Findings indicate that use of the RLPT is generally feasible during routine infant care and acceptable to pediatric resident physicians with recognition of challenges to implementation. Acceptance of a referral was low among postpartum women in this pilot study. PMID- 29201397 TI - Characteristics and contributory factors for injectable contraceptive usage among women in Kumasi, Ghana. AB - Background: Preferred methods of contraception vary from country to country. Family Planning services have been available on a large scale in Ghana since the 1980's and their use has contributed to gradual decline in the total fertility rate from 6.4 in 1988 to 4.2 in 2014. Since their introduction in Ghana in the early 1990's, Injectable contraceptives have seen increasing patronage and are currently the most preferred method of contraception. We set out to identify possible factors contributing to the preference for injectable contraceptives among women in Ghana. Methods: We conducted a descriptive cross-sectional survey of women accessing contraceptive services at the Family Planning Unit of the Komfo Anokye Teaching Hospital in Kumasi, Ghana. Women who reported for the second dose of their injections were eligible to be selected for participation in the study. Informed consent was obtained from eligible participants. Data was collected using a structured questionnaire in January and February 2011. Data captured included age, marital status, highest level of education completed, religion, ethnicity and employment status, previous contraceptive use, sources of contraceptive information and reasons for choosing injectable contraceptives. Quantitative data was entered into a Microsoft Access Database and analysed using Epi Info Version 7.1.4. Qualitative data was analysed thematically. Results: A total of 247 respondents participated in the study. One hundred and seventy three (70.0 %) were using Depot Medroxyprogesterone Acetate and 74 (30.0 %) were using NorethisteroneEnanthate/Estradiol Valerate. The mean age for women on Depot Medroxyprogesterone Acetate was higher than those on NorethisteroneEnanthate/Estradiol Valerate (p < 0.001). The effectiveness of method, recommendation from other users, low incidence of forgetfulness and the relatively longer intervals for administration were the commonest reasons for the use of injectables among respondents. The majority of users, 225 (91.1 %), were satisfied with the method and will recommend it to other potential users. Only 10.8 % of the 68 respondents reporting undesirable effects of the injectables intend to change the method. Conclusion: A high level of satisfaction exists among current users of injectables in Ghana and is influenced by a variety of factors. Strategies to increase the uptake of injectables can go a long way to increase the contraceptive prevalence rate and reduce the unmet need for Family Planning in Ghana. PMID- 29201398 TI - The yield of endometrial aspiration in women with various risk factors and bleeding abnormalities. AB - Background: Even in the face of a substantial increase in the numbers of endometrial cancer cases and in the numbers of women who have risk factors, there is no clear agreement about the indications for assessing the endometria of women with abnormal bleeding or about the tools to use in that assessment. This study sought to determine in a group of high risk women with abnormal uterine bleeding, the probability that an outpatient endometrial aspiration would identify significant pathology. Methods: Retrospective cohort study of the histology from endometrial aspirations performed from 2001 to 2008 for abnormal uterine bleeding at Harbor-UCLA Medical Center and its satellite public health clinics. Medical records were reviewed in detail to assess risk factors, descriptions of bleeding abnormalities and histologic results. Results: The charts of 1601 women who underwent 1636 endometrial biopsies for a wide variety of abnormal uterine bleeding patterns yielded 73 (4.6 %) cases of endometrial carcinoma, 43 cases of atypical endometrial hyperplasia (2.7 %), for an overall yield of significant pathology of 7.2 %. Hyperplasia without atypia was found in another 83 cases (5.2 %). Obesity, diabetes and postmenopausal age are associated with an increased risk of significant pathology. Bleeding patterns were so poorly documented that analysis of yield by this factor should be viewed with caution. Conclusions: The probability of detecting significant uterine pathology is greatest among obese, diabetic postmenopausal women with diabetes (26.3 %). Conversely, the probability of identifying significant pathology in younger women without risk factors is less than 2 %. For women who perceive their individualized risk estimate to be too small to justify an endometrial biopsy, it may be possible to offer oral higher dose progestin therapy on the condition that persistent abnormal bleeding will require more intensive evaluation. These estimates of absolute risk of being diagnosed with significant pathology on endometrial biopsy may be helpful to patients as they consider giving informed consent for the procedure. PMID- 29201399 TI - Renewing focus on family planning service quality globally. AB - Reducing the global unmet need for contraception is currently a priority for many governments, multi-lateral initiatives, non-governmental organizations, and donors. Evidence strongly suggests that the provision of quality family planning services can increase uptake, prevalence, and continuation of contraception. While an accepted framework to define the components of family planning service quality exists, translating this framework into assessment tools that are accessible, easily utilized, and valid for service providers has remained a challenge. We propose new approaches to improve the standardization and accessibility of family planning service quality assessment tools to simplify family planning service quality evaluation. With easier approaches to program evaluation, quality improvements can be performed more swiftly to help increase uptake and continuation of contraception to improve the health of women and their families. PMID- 29201400 TI - Elective single embryo transfer- the power of one. AB - Despite the highest historical live birth success rates for couples undergoing in vitro fertilization (IVF), there has been an epidemic of iatrogenic twin and higher order gestation conceived from this treatment. Continued improvement in cryopreservation techniques have allowed preservation of supernumerary embryos for use in future cycles, and refinements in culture systems and embryo selection have resulted in the transfer of fewer embryos while maintaining favorable pregnancy rates. The voluntary transfer of a single high quality embryo, elective single embryo transfer (eSET), has significantly reduced multiple gestation rates and maximized the rate of singleton pregnancy without compromising overall success rates. Although eSET is the standard of care in several developed countries, utilization in the United States has been slow. States with mandated IVF insurance have seen decreases in preterm birth rates yielding down stream health care savings. Herein, the evolution and future applications of this practice to reduce the risk of iatrogenic twins is reviewed. PMID- 29201401 TI - Identification and potential role of telocytes in human uterine leiomyoma. AB - Background: Telocytes are specialized interstitial tissue cell type. Our aim is to characterize telocytes in human uterine leiomyoma (ULM) and its adjacent myometrium (Myo-F) as well as normal myometrium (Myo-N). Methods: ULMs and Myo-F tissues were taken from hysterectomy specimens done to treat symptomatic uterine fibroids (N = 20). Myo-N is isolated from hysterectomies done on ULM- free uteri for other benign indications (N = 15).Telocytes were detected using immunohistochemistry to detect c-Kit (CD-117), as a surface marker expressed on telocytes, and electron microscopic examination to identify telocytes characteristic ultrastructure. Cellular count and electron microscopic features of telocytes in each of the studied tissues were compared. Results: Telocytes could be detected in ULMs, Myo-F and Myo-N using c-KIT immunostaining. Electron microscopy confirmed the presence of telocytes in the three types of tissues identifying their characteristic features including small triangular or fusiform cell bodies with extensive cellular prolongations. ULM telocytes showed ultrastructural features suggestive of high cellular activities. Cell counts of ULM telocytes (3.35 +/- 0.39) were significantly higher (P value = 0.00039) than that of Myo-F (1.39 +/- 0.13). Myo-N (2.6 +/- 0.36) contained higher telocyte numbers than Myo-F (1.39 +/- 0.13), but the difference did not reach statistical significance (P value = 0.19). Conclusions: Telocytes are detected in higher numbers and activity in ULMs than Myo-F or Myo-N. In ULMs, telocytes can work as a hormonal sensors for stem cells, provide scaffold for newly formed myocytes, or control important downstream signaling pathways. PMID- 29201403 TI - The effect of home exercise on ovulation induction using clomiphene citrate in overweight underserved women with polycystic ovarian syndrome. AB - Background: Age-adjusted rates of obesity are reported to be 35.8 % among US adult women and 49 % in some race/ethnicity, underserved populations. (1). Underserved populations often have less access to weight-loss intervention options and are at high risk for obesity related problems including anovulation, infertility, pregnancy-related complications and adverse long-term health outcomes. (2). The purpose of this study was to evaluate a home exercise plan using a pedometer on weight loss, ovulation induction and pregnancy rates in our overweight and obese underserved clinic population. Methods: Twenty one overweight (BMI >= 25-29.9) and obese I-II (BMI >= 30-39.9) 18-42 years old were recruited. Participants received an exercise/nutrition questionnaire at the initiation and completion and called weekly for 4 weeks. Ten participants were randomly assigned to the home exercise program (PedGp). PedGp received a pedometer, daily step-count goal, and were called to increase goal by 50 % weekly. All participants then underwent clomiphene stair-step ovulation induction. All study participants were referred to the University Wellness Clinic for diet and exercise counseling. Results: There were high percentages of women with co-morbidities in both groups including fatty liver, low vitamin D, hyperlipidemia, hypothyroidism, prediabetes and diabetes.1. Those completing the 4-week home program increased baseline steps by 21.2 % weekly. Only 3/10 women reached at least one weekly goal of 50 % increase. Although the goal was rarely met, participants who completed study had increased number of daily steps.2. Greater number in PedGp lost weight or stayed the same (5/10 vs. 2/11).3. Greater number in PedGp spontaneously ovulated (4/10 vs. 1/11) or became pregnant (4/10 vs. 3/11). (not statistically significant due to small sample size). Conclusion: There are high percentages of comorbidities in this population. Although the goal was rarely met, participants who completed study had increased number of daily steps. A greater number in PedGp lost weight or stayed the same. A greater number in PedGp spontaneously ovulated or became pregnant (not statistically significant due to small sample size). Importantly, 40 % of women who lost weight became pregnant. This is highly encouraging and suggests that the development of pedometer interventions may prove a cost effective option. Weight loss programs for this population hold promise and efficient hospital or community-based programs may prove beneficial. PMID- 29201402 TI - Association between contraceptive implant knowledge and intent with implant uptake among postpartum Malawian women: a prospective cohort study. AB - Background: Long-acting reversible contraception (LARC) can assist women with birth spacing and reduce unintended pregnancies. Sub-Saharan Africa has low uptake of the two available methods of LARC, the subdermal implant and intrauterine contraception (IUC). Our primary objectives were to: 1) calculate the incidence of LARC use among postpartum Malawian women, and 2) assess if LARC knowledge and intent to use LARC were associated with LARC uptake. Methods: This study was a prospective cohort study of 634 postpartum women who were recruited from the postpartum ward of Bwaila Hospital in Lilongwe, Malawi. Study participants completed a baseline survey in the postpartum ward. Follow-up telephone surveys about contraceptive use were conducted at 3, 6, and 12 months postpartum. Cox proportional hazards regression analysis was performed to evaluate if implant knowledge and intent to use implant were associated with implant uptake. Results: One hundred thirty-seven implant and 10 IUC placements were reported over 12 months of follow-up; given the low rate of IUC uptake, further analysis was only done for implant uptake. The incidence rate for implant uptake was 35.6 per 100 person-years (95 % CI 30.0, 42.2). Correct implant knowledge (adjusted HR = 1.69; 95 % CI 1.06, 2.68) and intent to use implant (adjusted HR 1.95; 95 % CI 1.28, 2.98) were both associated with implant uptake. Conclusions: More women reported implant use than IUC use in our study. Correct implant knowledge and intent to use implant were both associated with implant uptake, with a stronger association for intent. Interventions to increase LARC uptake should focus on improving LARC knowledge and removing barriers to LARC. Trial registration: Clinical Trial Registration #: NCT01893021. PMID- 29201404 TI - Young peoples' interface with providers of contraceptive care: a simulated client study in two Ugandan districts. AB - Background: Young people in Uganda have a large unmet need for modern contraception, and the reasons are unclear. This study describes young peoples' experiences of contraceptive care, client-provider interactions and its aftermath on choice, access and satisfaction. Methods: Simulated client method, with 128 encounters with providers in public and private health care facilities was used. Semi-structured narrative debriefing and a structured questionnaire were used to collect data. Content analysis, descriptive and inferential statistics were applied. Results: Both qualitative and quantitative results highlight favorable reception, provider bias, low client satisfaction and reservations about contraceptive methods. Two thirds of the providers choose a contraceptive method for the client. The clients reported satisfaction with contraceptive services in 29 % of the consultations. Privacy was reported to be observed in 42 % and clients felt respectfully treated in 50 % of the consultations. However, most clients would not recommend the visited facility to others. Client-provider interactions revealed contradictory views on methods to use, whether to first have children, and whether to use contraceptives at all. Younger clients seemed to be treated differently than older clients; contraceptives were provided after a prolonged debate. Inaccurate information about contraceptives was provided and costs were high. Providers conveyed potential adverse effects of contraceptives to young people in a way that indicated providers own fears and doubts. Conclusion: Young people are not able to exercise their rights to choose, obtain and use contraceptives when needed. Overall satisfaction with the services was rated low and client- provider interactions were often unfavorable. PMID- 29201405 TI - The CROWN Initiative: journal editors invite researchers to develop core outcomes in women's health. AB - ?. PMID- 29201406 TI - The affordable care act and family planning services: the effect of optional medicaid expansion on safety net programs. AB - Background: Title X of the Public Health Service Act provides funding for a range of reproductive health services, with a priority given to low-income persons. Now that many of these services are provided to larger numbers of people with low income since the passage of the Affordable Care Act and Medicaid expansion, questions remain on the continued need for the Title X program. The current project highlights the importance of these safety net programs. Methods: To help inform this policy issue, research was conducted to examine the revenue and service changes for Title X per state and compare those findings to the states' Medicaid expansion and demographics. The dataset include publicly available data from 2013 and 2014 Family Planning Annual Reports (FPAR). Paired samples differences of means t-tests were then used to compare the means of family planning participation rates for 2013 and 2014 across the different categories for Medicaid expansion states and non-expansion states. Results: The ACA has had an impact on Title X services, but the link is not as direct as previously thought. The findings indicate that all states' Title X funded clinics lost revenue; however, expansion states fared better than non-expansion states. Discussion: While the general statements from the FPAR National surveys certainly are supported in that Title X providers have decreased in number and scope of services, which has led to the decrease in total clients, these variations are not evenly applied across the states. The ACA has very likely had an impact on Title X services, but the link is not as obvious as previously thought. Conclusion: Title X funded clinics have helped increase access to health insurance at a greater rate in expansion states than non-expansion states. There was much concern from advocates that with the projected increased revenue from Medicaid and private insurance, that Title X programs could be deemed unnecessary. However, this revenue increase has yet to actually pan out. Title X still helps fill a much needed service gap for a vulnerable population. PMID- 29201407 TI - Long-acting family planning method switching among revisit clients of public health facilities in Dire Dawa, Ethiopia. AB - Background: "Contraceptive switching" from one method to another is a common phenomenon. Switching from a more effective long-acting method to a less effective method exposes women for unplanned pregnancy. The aim of this study was to assess the level and factors associated with long-acting family planning method switching to other methods. Method: A facility-based cross-sectional study was conducted from January to March 2013 on 634 women attending public health facilities in Dire Dawa City Administration, Ethiopia. Participants of the study were revisit clients of family planning service and were interviewed as they appear in the clinics. Data were analyzed using crude and adjusted logistic regression, and results were reported using OR and corresponding 95 % CI. Results: Long-acting family planning method switching among revisit clients was 40.4 %; switching from implant was 29.8 % and from IUCD, it was 10.6 %. The main reasons for methods switching were side effects of the methods such as bleeding, weight loss, and feeling of arm numbness. The tendency of switching was less among married women (AOR = 2.41, 95 % CI: 1.01, 5.74), women who had 2-4 and 5 and more children (AOR 3.00, 95 % CI: 1.59, 5.67) and (AOR 2.07, 95 % CI: 1.17, 3.66), respectively. It was also less among women who want to stop birth (AOR 5.11, 95 % CI: 1.15, 24.8), among those who mentioned health care providers as source of information for family planning (AOR 1.88, 95 % CI: 1.18, 3.01), and among women whose husbands were aware of their use of the methods (AOR 3.05, 95 % CI: 1.88, 4.94). Conclusions: Method switching from long-acting contraceptives to less effective methods is high. Method switching was significant among unmarried women, who had one child, plan to postpone fertility, and whose husbands were not aware of their wive's use of the method. In the provision of family planning service, the health care providers should give adequate information about each method and risks of method switching. Appropriate family planning Information Education and Communication (IEC) and Behavioral Change Communication (BCC) strategies should be emphasized. PMID- 29201408 TI - Effect of performance based financing home visiting on the use of modern methods of contraception in the kumbo east health district, Cameroon. AB - Background: The use of modern methods of contraception (MMC) as defined by the World Health Organization still remains a challenge in most of Sub-Saharan Africa. Performance Based Financing (PBF) home visit was introduced in 2012 to increase the use of those modern methods in the Kumbo East Health District (KEHD), Cameroon.We determined the utilization rates of MMC in areas in the KEHD with PBF home visits compared with those areas with no home visits. Methods: This was a cross sectional study carried out in the KEHD during the period February 1 to May 31, 2015. A multistage cluster sampling method was used to recruit 262 and 221 women aged 15-49 years in the intervention and nonintervention health areas, respectively. A structured, closed ended questionnaire was used. Results: The average age of women was similar in both groups 30.40 (SD 8.57); median 30 years in the intervention group and 30.49 (SD 7.84); median 30 years in controls. Most participants in the intervention health area (60.3 %) used modern methods of contraception compared to 46.6 % of those in the control group (aOR: 1.75 %; 95 % CI: 1.212.53) and the most commonly used MMC was medroxyprogesterone in the intervention group and condoms in the control area. Conclusion: Utilization of MMC was significantly higher in the area with PBF home visits than in areas without that service. While this indicates that the intervention has benefit, there may be other contributing factors. PMID- 29201409 TI - Knowledge, attitude and practice GAP in family planning usage: an analysis of selected cities of Uttar Pradesh. AB - Background: The GAP between the knowledge of contraception and its actual practice is well recognized in the literature of family welfare studies. The present study assessed the relation between the level of knowledge and practice of contraception among the women and sought to explore the reasons behind the Knowledge, Attitude, and Practice - GAP (KAP GAP) regarding contraceptive users in six cities of Uttar Pradesh. Method: Present analysis based on 17,643 currently married women aged 15 to 49. A Bivariate analysis (chi2 test) and a multivariable logistic regression were performed for the study. Result: The highest percentages of respondents (women) were in the age group 35-49 (40-45 %) in all the districts considered. Knowledge of contraceptives was almost universal; tubal ligation and pill were the commonly known methods. Information about the contraceptive methods was mostly obtained through the husband. In the present study, there was a highly significant association (p < 0.01) of age group, educational status of respondents, the number of living children, the wealth of the respondent, media exposure and husband's education with the variable KAP GAP for all six cities. Health concern issues in all the districts were the most prominent reason for not using contraception. Conclusion: There differences in the socioeconomic and demographic factors exist, which lead to KAP GAP in the family planning (FP) usages. Therefore, in designing effective family planning programme, there is a need to understand the various factors which influence the practice of contraception. PMID- 29201410 TI - Barriers and facilitators to implementing a patient-centered model of contraceptive provision in community health centers. AB - Background: The Contraceptive CHOICE Project developed a patient-centered model for contraceptive provision including: (1) structured, evidence-based counseling; (2) staff and health care provider education; and (3) removal of barriers such as cost and multiple appointments to initiate contraception. In preparation for conducting a research study of the CHOICE model in three community health settings, we sought to identify potential barriers and facilitators to implementation. Methods: Using a semi-structured interview guide guided by a framework of implementation research, we conducted 31 qualitative interviews with female patients, staff, and health care providers assessing attitudes, beliefs, and barriers to receiving contraception. We also asked about current contraceptive provision and explored organizational practices relevant to implementing the CHOICE model. We used a grounded theory approach to identify major themes. Results: Many participants felt that current contraceptive provision could be improved by the CHOICE model. Potential facilitators included agreement about the necessity for improved contraceptive knowledge among patients and staff; importance of patient-centered contraceptive counseling; and benefits to same-day insertion of long-acting reversible contraception (LARC). Potential barriers included misconceptions about contraception held by staff and providers; resistance to new practices; costs associated with LARC; and scheduling challenges required for same-day insertion of LARC. Conclusions: In addition to staff and provider training, implementing a patient-centered model of contraceptive provision needs to be supplemented by strategies to manage patient and system-level barriers. Community health center staff, providers, and patients support patient-centered contraceptive counseling to improve contraception provision if organizations can address these barriers. PMID- 29201411 TI - Desire for birth spacing or limiting and non-use of long acting and permanent contraceptive methods among married women of reproductive age in Aksum Town, North Ethiopia. AB - Background: Long acting and permanent contraceptive methods are the most effective family planning (FP) methods to prevent pregnancy and thereby averting adverse consequences of too many and ill-timed pregnancies. However, long acting and permanent contraceptive methods (LAPMs) are underutilized in Ethiopia for little documented reasons. Therefore, this study is aimed to assess magnitude and factors associated with desire for birth spacing for at least 2 years or limiting child bearing and non-use of LAPMs among married women of reproductive age in Aksum town, Northern Ethiopia. Methods: A community-based cross-sectional study was conducted in Aksum town, North Ethiopia from May to June, 2015 among 779 randomly selected married women of reproductive age. Data were collected using interviewer administered pre-tested questionnaire. Data were entered using Epi Info version 6.04 and exported to SPSS version 16 for analysis. Multivariate logistic regression models were fitted to identify factors associated with desire for birth spacing or limiting and not using LAPMs. Results: The total desire for birth spacing or limiting was 69 % and amongst those women 85.2 % were not using LAPM. Education, occupation, husband's attitude towards LAPMs, age, number of pregnancy, regular media exposure and decider on the number of children to bear were significantly associated with desire for birth spacing or limiting. Moreover; education, occupation, husband's attitude towards LAPMs, discussion on family planning with husband, knowledge, attitude and intention to use LAPMs were significantly associated with not using LAPMs. Conclusion: Desire for birth spacing or limiting and not using LAPMs is very high in the study area. Therefore, increasing access to family planning information and services with special emphasis on LAPMs and male involvement in the program are very important. PMID- 29201413 TI - High-risk sexual behaviors while on depot medroxyprogesterone acetate as compared to oral contraception. AB - Background: Depot medroxyprogesterone acetate (DMPA) contraceptive use is associated with an increased risk for Chlamydia infection. However, prior studies inadequately account for potential differences in sexual behavior between users of DMPA and users of other contraceptive methods. In this study we compare sexual risk-taking behavior in women using DMPA to women using oral contraceptive pills (OCP) to assess risk of Chlamydia trachomatis infection. Methods: In this cross sectional study of 630 reproductive-aged women seeking routine gynecologic care (449 OCP and 181 DMPA users) sexual risk-taking was evaluated by use of the Safe Sex Behavior Questionnaire, a validated measure of sexual behaviors and attitudes. All women were screened for Chlamydia. Logistic regression estimated the association of contraceptive choice, sexual behaviors, and Chlamydia infection. Results: Oral contraceptive pill users differed from DMPA users in age, race, marital status, education level, and pregnancy history (p-values all <0.05). Oral contraceptive pill users had used their method of contraception for longer average duration (p < 0.01) and reported greater frequency of condom use (p < 0.01). Eleven (2.5%) OCP and 2 (1.1%) DMPA users had Chlamydia (p = NS). Conclusions: Oral contraceptive pill and DMPA users differed with respect to both demographic factors and frequency of condom use. Odds of current Chlamydia infection did not differ between OCP and DMPA users when controlling for sexual risk-taking or demographic factors, though due to low Chlamydia rates in our population, this study was underpowered to detect this difference. PMID- 29201412 TI - Recent developments have made female permanent contraception an increasingly attractive option, and pregnant women in particular ought to be counselled about it. AB - Background: Despite the increased prevalence of reversible contraception, global unintended pregnancy rates are stable. Mistakes, method failures, side effects, alcohol, stock-outs, fears, costs, delays, myths, religious interference, doctors with other priorities, traditions and lack of health professionals may all factor in. Yet these unintended pregnancies - nearly a hundred million annually - cause much individual suffering, and in the long run, can aggravate conflicts, poverty, forced emigration and climate change. Presently, non-poor women postpone childbearing because of longer educational trajectories and careers. Sterilisations are therefore less often regretted or coerced. For poor-resourced women with a completed family, an unwanted pregnancy often has serious consequences, including crossing the (extreme) poverty line in the wrong direction, choosing an unsafe abortion, or even death. Caesarean sections (CSs), which currently stand at around 23 million annually, are increasing. On an "intention-never-to-become-pregnant-again" analysis, choosing a partial, and even more so a total bilateral tubectomy to be implemented during an - anyway performed - CS is by far the most reliable and safe contraceptive choice compared to meaning to start female or male sterilisation or any other contraceptive method later, and it reduces the chance of a future ovarian carcinoma substantially. CSs make subsequent pregnancies more dangerous. Simultaneously, they provide convenient, potentially cost-free opportunities for voluntary permanent contraception (PC): particularly important if there is no guaranteed future access to reliable contraception, safe abortion and well-supervised labour. Partial solution: Millions of women are within reach of attaining freedom from the "tyranny of excessive fertility" when they have a CS. Therefore, any woman who might conceivably be of the firm opinion that her family will be (over) completed after delivery should antenatally have "what if you have a CS" counselling to assess whether she would like a tubectomy/ligation. Yet many are not provided with this option: leading to frequent regret, more often than having been giving that choice would. Conclusion: Withholding antenatal counselling about the option of PC for in case the delivery might become a CS is very prevalent, yet often more medically risky, and morally questionable than when, even in labour, a doctor sometimes decides in the absence of earlier counselling, considering numerous factors, to provide the choice to undergo a concurrent sterilisation if s/he is convinced that would be in the patient's best interest. PMID- 29201414 TI - Determinants of contraceptive use among Nigerian couples: evidence from the 2013 Demographic and Health Survey. AB - Background: Nigeria remains a focus for increasing contraceptive use, as it is one of the most populous countries in Sub-Saharan Africa. The objective of the current study was to investigate determinants of contraceptive use in Nigeria couples. Methods: Using the 2013 Nigeria Demographic and Health Survey, we estimated the likelihood of contraceptive use based on concordance with male partner desire for family size, male and female fertility preferences, female decision making power, and male partner attitudes toward contraceptive use. Results: Male partner perception that decisions regarding health should be made jointly or primarily by women was positively associated with use. Women were less likely to use contraceptives in couples in which male partners had greater earning power. Finally, men who viewed contraceptives as an enabler for promiscuity had female partners less likely to use contraceptives. Conclusions: These findings highlight the importance of male partners in women's contraceptive decision making. PMID- 29201415 TI - Contraceptive utilization and associated factors among women of reproductive age group in Southern Nations Nationalities and Peoples' Region, Ethiopia: cross sectional survey, mixed-methods. AB - Background: Though contraceptive utilization has comprehensive benefit for women, it was one of underutilized public intervention in Ethiopia and in the study area. Thus, assessing status and factors affecting contraceptive utilization among women of reproductive age group was found key step for program improvement. Methods: Community based cross-sectional study was conducted from March to April, 2015 in Southern Nations and Nationalities Peoples' Region, Ethiopia. A multistage stratified cluster sampling method was used to select 3205 study subjects. Study used both quantitative and qualitative methods. Statistical Package for Social Sciences version 20 was used to analyze quantitative data. The association between variables was determined using odds ratio at 95% confidence interval. Results: Contraceptive utilization was 53.3% among women of reproductive age groups. Nearly three fourth, (73.6%), of current users were using short-term contraceptive methods. Factors associated with contraception utilization were overall knowledge of and attitude towards contraceptives, age, residence, number of alive children, experience of child death, marital status and deciding number of children. Contraceptive utilization was also affected by various misconceptions. Conclusion: Contraceptive utilization was below national Health Sector Development Program IV target. Program implementers need to address socio-cultural barriers. Gender myths and specific roles and power inequalities that can function as a barrier to contraceptive utilization should be assessed. PMID- 29201416 TI - Determinants of abortion among clients coming for abortion service at felegehiwot referral hospital, northwest Ethiopia: a case control study. AB - Background: According to the World Health Organization (WHO) estimate, one-third of pregnancies end in miscarriage, stillbirth, or induced abortion in the world. There are various reasons for a woman to seek induced abortion. However, limited information is available so far in the country and particularly in the study area. Therefore, the aim of the current study was to identify the determinants of induced abortion among clients coming for abortion care services at Bahirdar Felegehiwote referral hospital, Northwest Ethiopia. Methods: Institutional based unmatched case-control study was conducted from September to December 2014. Interview administered questioner was used to collect primary data. Enumeration and systematic random sampling (K = 3) method was used to select 175 cases and 350 controls. A binary logistic regression model was fitted to identify determinant factors. Odds ratio with 95% CI was computed to assess the strength and significance of the association. Result: All sampled cases and controls were actually interviewed. The likelihood of abortion was higher among non-married women [AOR: 18.23, 95% CI: 8.04, 41.32], students [AOR: 11.46, 95% CI: 6.29, 20.87], and women having a monthly income of less than 500 ETB [AOR: 11.46, 95% CI: 6.29, 20.87]. However, the likelihood of abortion was lower among women age greater than 24 years [AOR: 0.29, 95% CI: 0.11, 0.79] and who had the previous history of induced abortion [AOR: 0.31, 95% CI: 0.15, 0.65]. Conclusion: The study identified being non-married, student, women age less than 24 years, having the previous history of induced abortion, and low monthly income as an independent determinant of induced abortion. Interventions focused on the identified determinant factors are recommended. PMID- 29201417 TI - Cancer survivors of gynecologic malignancies are at risk for decreased opportunity for fertility preservation. AB - Background: Cancer survivors rate fertility as one of the most important determinants of their quality of life in the years after cancer treatment. We seek to describe the reproductive goals of women affected by gynecologic cancers and investigate their specific challenges during fertility preservation (FP) counseling. Methods: Univariate & multivariate logistic regression were used for quantitative analysis of objective FP counseling measures between women with gynecologic (GYN) and non-gynecologic (non-GYN) cancers from a cross sectional survey. Framework analysis was conducted on patient perception of physician patient interactions. Results: Of the 2537 women contacted, 1892 responded and 1686 reported treatment with potential to impact fertility. Among women with GYN cancers 52% wanted future children. Women <35 years were interested in FP (74%). Women with Gyn cancers received less FP counseling than women with non Gyn cancer (OR 0.5 95% CI 0.4-0.6). Three hundred twenty-four patients gave qualitative answers. Patient identified barriers included incomplete FP information (59%), nondisclosure (29%), a disinterest in FP (5%), and a perceived urgency to start treatment (7%). Conclusions: Women with gynecologic cancers are less likely to be counseled about FP in comparison to women not affected by gynecologic cancers despite having similar fertility goals. We have identified patient perceived barriers to optimal FP counseling which may be improved upon to increase the value of FP and optimize quality of life for cancer survivors of gynecologic malignancies. PMID- 29201418 TI - Factors associated with contraceptive use among sexually active Nepalese youths in the Kathmandu Valley. AB - Background: In Nepal, evidence is sparse regarding the use of contraception at first and current relationships among sexually active young people. This study examined the factors associated with modern contraceptive use at first and current sexual relationships. Methods: A descriptive cross-sectional household survey conducted amongst young Nepalese men and women living in the urban areas of the Kathmandu valley. We used logistic regression to model the relationship between selected independent variables and outcome variables (use at first sexual intercourse and current use of modern contraception) among 492 ever sexually active youth aged 15-24 years. Results: We found that the key factors associated with current non-use of modern contraceptives among sexually active youth age 15 24 were young age at first sexual contact and a relationship with someone other than a spouse, while significant factor associated with current use of contraception was religion, revealing that Hindu youths having lower odds of use compared to young people who belonged to other religions. Conclusions: The findings suggest that contraception education should be intensified and directly towards those entering adolescence to encourage youths to adopt contraception at the time of their first sexual relationship. The influence of religion on use of modern contraception needs further exploration. PMID- 29201419 TI - Patterns of postpartum contraceptive use among Somali immigrant women living in Minnesota. AB - Background: The postpartum period is a crucial time to provide family planning counseling and can decrease incidence of adverse reproductive outcomes. The purpose of this study was to characterize patterns of postpartum contraception and to investigate long acting reversible contraceptive (LARC) use among Somali women living in a metropolitan area of Minnesota in an effort to provide better family planning and reproductive health counseling in this growing immigrant population. Methods: A retrospective chart review was conducted of Somali women who delivered between January 1, 2011 and December 31, 2014. Information was collected regarding family planning counseling provided and contraceptive methods chosen at the postpartum clinic visit. Results: Of the 747 Somali women who delivered during this time period, 56.4% had no postpartum follow up visit. At the postpartum visit, 88.3% of women received family planning counseling and 80.8% chose a contraceptive method with the remainder declining. The intrauterine device (IUD) was the most popular contraceptive method, chosen by 39.7% of women. Other than parity, no statistically significant differences were observed between women who chose LARC versus other contraceptive methods. Of the women that chose a LARC, 39.4% had it placed at the time of their postpartum visit; immediate placement was statistically significantly more likely with more recent delivery, lower BMI and obstetrician as the provider type. Conclusions: The IUD was the most popular method of postpartum contraception. There was a trend toward increase in LARC use with increasing parity. Same-day LARC placement was uncommon, but should be encouraged in this population given high loss to follow up rate. PMID- 29201420 TI - Knowledge, acceptance and utilisation of the female condom among women of reproductive age in Ghana. AB - Background: The female condom (FC) is the only safe and effective female initiated method that provides simultaneous protection against unintended pregnancy as well as sexually transmitted infections (STIs), including HIV/AIDS. Knowledge of FC use among women and the perceptions and attitudes towards condom use can contribute to its uptake as an important public health strategy for HIV prevention in Ghana. However, there is a dearth of empirical evidence in this area of public health research to inform interventions. This study seeks to examine women's knowledge, acceptance and utilisation of the FC and factors that influence its acceptance and utilisation. Methods: A descriptive cross-sectional survey design was used and a total of 380 females between the ages of 15 and 49 years were sampled from the Hohoe Municipality of the Volta Region, Ghana. A self administered structured questionnaire measuring the study variables was used, and frequencies, percentages and Chi Square tests were used to analyse the data. Results: There is low level of FC use among the women as less than half (48.4%) of the sample were aware of the FC. It was further observed that 21.1, 21.8 and 11.1% of the sample reported friends, media and a public lecture as their sources of knowledge of the FC respectively. It was also observed that there is a low level of FC acceptance and utilisation, and also limited access to the FC from nearby shops/pharmacies (1.8%) and health centres (7.4%). Conclusions: There is a generally low level of FC awareness, knowledge, acceptance and utilisation and therefore, there is the need for increased public education on the FC and its benefits to women in preventing unwanted pregnancies and sexually transmitted diseases (STDs). PMID- 29201421 TI - Process evaluation of a mobile phone-based intervention to support post-abortion contraception in Cambodia. AB - Background: The MObile Technology for Improved Family Planning (MOTIF) trial assessed a mobile phone-based intervention comprising voice messages and counsellor support to increase post-abortion contraception at four Marie Stopes International clinics in Cambodia. The aim of this process evaluation was to assess participants' interaction with the intervention from a service provider perspective. Methods: (1) We conducted a descriptive analysis to assess participants' interaction with the intervention. (2) In order to explore how the intervention might work, we assessed associations between interaction with the intervention and contraception use using logistic regression analysis. (3) We undertook a logistic regression analysis to assess associations between baseline socio-demographic factors and ever requesting to speak to a counsellor (pressing '1'), a variable found to be associated with contraception use. Results: Amongst 249 women that received six interactive voice messages +/- counsellor support for contraception, around half actively requested to speak to a counsellor (pressed '1') and over 90% spoke to a counsellor at some stage. Women who spoke to the counsellor having requested to (by pressing '1') were more than four times as likely to be using effective contraception at four months compared to women who didn't request or speak to the counsellor (Odds Ratio 4.39; 95% CI: 1.15-16.71). There was a small, non-statistically significant increase in contraception use amongst women that spoke to the counsellor without requesting a call. Increased parity, a history of >2 previous induced abortions, lower socio-economic status, and medical abortion (after adjusting for age, socio-economic status and residence) were associated with requesting to speak to a counsellor. Conclusions: The interactive message can identify a subgroup of women in whom counselling will be more effective and appears to be equitable in terms of engaging those most in need. The intervention could be adapted based on the findings of this study. PMID- 29201422 TI - Demographic analysis of a low resource, socioculturally diverse urban community presenting for infertility care in a United States public hospital. AB - Background: Infertility is a prevalent disease of reproductive health that exerts an impact on an estimated 80 million people worldwide. For many, involuntary childlessness becomes a central and preoccupying issue in their lives, the impact of which is exacerbated by lack of access to basic care and treatment. These effects maybe further magnified among immigrant communities, a growing but highly marginalized population that has been shown in other areas of reproductive health to experience worse health outcomes and delays in access to care. To date, few studies have examined the unique medical and sociocultural considerations of infertility among immigrant populations in the United States. Methods: Our study is a cross-sectional analysis of women presenting for infertility evaluation at a county hospital serving a low resource, socioculturally diverse largely immigrant communities in comparison to infertile women from a largely affluent population presenting to a high resource, comprehensive fertility center. We employed surveys to evaluate demographics and socioeconomic parameters as well as abstracted data from medical records to obtain infertility diagnoses. Multivariate regression analysis was applied to examine impact of sociocultural factors as predictors of duration of untreated infertility disease burden experienced by patients. Results: Eighty-seven women were included in our analysis. In the county hospital/low resource clinic (LR), the mean age was 32.9 +/- 4.9 vs 36.4 +/- 6.3 years in the fee-for-service/high resource clinic (HR). The mean reported duration of infertility in LR and HR patients was 3.4 +/- 3.0 vs 2.3 +/- 1.5 years. 70% of LR patients were monolingual non-English speakers vs 5.4% of HR patients. 59% of LR patients reported an annual household income of less than $25,000 and 70% did not have a college degree. 81.1% of HR patients reported an income of higher than $100,000, and 81.1% had completed college or graduate school. The most common infertility diagnosis in the LR was anovulation (38%) and tubal factor (28%) compared to diminished ovarian reserve (37.8%) and male factor (51.4%) in the HR. After controlling for age at the initiation of pregnancy attempt, lower education level, lower income, and immigrant status were significantly correlated with a longer duration of infertility. Conclusions: Women presenting for infertility care to a low resource county medical center represent immigrant communities and are generally of younger age, but with a longer duration of infertility. This study identifies lower educational level, income, and immigrant status as barriers in access to care. PMID- 29201423 TI - Patient satisfaction and wait times following outpatient manual vacuum aspiration compared to electric vacuum aspiration in the operating room: a cross-sectional study. AB - Background: Outpatient manual vacuum aspiration (MVA) is a safe and equally effective alternative to electric vacuum aspiration (EVA) in the operating room. This project was conducted to determine whether outpatient MVA expedites care while maintaining patient satisfaction. Methods: A cross-sectional study of a convenience sample of patients undergoing surgical management of spontaneous abortion, induced abortion, or retained products of conception with either outpatient MVA under local anesthesia or EVA in the operating room was conducted. Of 138 women completing surveys, 48 (34.8%) underwent outpatient MVA and 90 (65.2%) underwent EVA in the operating room. Procedure length, time from decision to procedure, and patient satisfaction were assessed through a self-administered questionnaire completed post-procedure. Results: Most (77%) patients in the MVA group reported waiting fewer than 2 h from the time of their decision to the procedure, while most (74%) EVA patients reported waiting over 12 h (P < 0.001); the MVA group reported higher satisfaction with time to procedure (P = 0.02). The median procedure length was significantly shorter in the EVA group (10 vs. 20 min, P < 0.001). There was no significant difference between groups in overall satisfaction with the procedure (P = 0.16). Conclusion: Outpatient MVA under local anesthesia is a suitable alternative to operating room-based EVA for management of spontaneous abortion, induced abortion, and retained products of conception. Outpatient MVA is associated with shorter decision-to-procedure time and is highly acceptable to patients. Integration of outpatient MVA into clinical settings can add time- and resource-saving options for uterine evacuation while maintaining a positive patient experience. PMID- 29201424 TI - Women's perceptions of contraceptive efficacy and safety. AB - Background: Adoption of contraceptive implants and intrauterine devices has been less than might be expected given their superior efficacy and convenience. The purpose of this study was to assess knowledge and beliefs held by women, which may influence their contraceptive choices and theirongoing utilization of contraceptive methods. Methods: English speaking, nonpregnant, reproductive-age women, who were not surgically sterilized, were individually interviewed to obtain limited demographic characteristics and to assess their knowledge about the efficacy of various contraceptive methods in typical use and about the relative safety of oral contraceptives. Results: A convenience sample of 500 women aged 18-45 years, with education levels that ranged from middle school to postdoctoral level was interviewed. The efficacy in typical use of both combined oral contraceptives and male condoms was correctly estimated by 2.2%; over two thirds of women significantly overestimated the efficacy of each of those methods in typical use. Oral contraceptives were thought to be at least as hazardous to a woman's health as pregnancy by 56% of women. Conclusions: The majority of reproductive aged women surveyed substantially overestimated the efficacy of the two most popular contraceptive methods, often saying that they were 99% effective. Women with higher education levels were most likely to overestimate efficacy of oral contraceptives. Women of all ages and education levels significantly overestimated the health hazards of oral contraceptives compared to pregnancy. Overestimation of effectiveness of these methods of contraception, may contribute to lower adoption of implants and intrauterine devices. When individualizing patient counselling, misperceptions must be identified and addressed with women of all educational backgrounds. Trial registration: Not applicable. PMID- 29201426 TI - Unmet need for modern contraceptives and associated factors among women in the extended postpartum period in Dessie town, Ethiopia. AB - Background: The contraceptive use of women in the extended postpartum period is usually different from other times in a woman's life cycle due to the additional roles and presence of emotional changes. However, there is lack of evidence regarding women contraceptive need during this period and the extent they met their need. Therefore, the objective of this study was to assess unmet need for modern contraceptives and associated factors among women during the extended postpartum period in Dessie Town, North east Ethiopia in December 2014. Methods: A community-based cross-sectional study was conducted among women who gave birth one year before the study period. Systematic random sampling technique was employed to recruit a total of 383 study participants. For data collection, a structured and pretested standard questionnaire was used. Descriptive statistics were done to characterize the study population using different variables. Bivariate and multiple logistic regression models were fitted to control confounding factors. Odds ratios with 95% confidence intervals were computed to identify factors associated with unmet need. Results: This study revealed that 44% of the extended post-partum women had unmet need of modern contraceptives of which 57% unmet need for spacing and 43% for limiting. Education of women (being illiterate) (AOR (adjusted odds ratio) =3.37, 95% CI (confidence interval) 1.22 7.57), antenatal care service (no) (AOR = 2.41, 95% CI 1.11-5.79), Post-natal care service (no) (AOR = 3.63, CI 2.13-6.19) and knowledge of lactational amenorrhea method (AOR = 7.84 95% CI 4.10-15.02) were the factors positively associated with unmet need modern contraceptives in the extended postpartum period. Conclusion: The unmet need for modern contraception is high in the study area. There is need to improve the quality of maternal health service, girls education, information on postpartum risk of pregnancy on the recommended postpartum contraceptives to enable mothers make informed choices of contraceptives. PMID- 29201425 TI - Heavy menstrual bleeding diagnosis and medical management. AB - Heavy menstrual bleeding (HMB) is a common gynecological problem that has a significant impact on a woman's quality of life and the activities of daily living. Due to the difficulty in accurately describing menstrual bleeding abnormalities using older terminology, the PALM-COEIN classification system of the Federation Internationale de Gynecologie et d'Obstetrique was proposed to describe and identify the etiology of abnormal endometrial bleeding. As there is no single pathway that is associated with HMB, there are several therapeutic interventions involving different molecular pathways to reduce HMB. This article will highlight the current evidence as it relates to the etiology of HMB as well as medical modalities of treatment. PMID- 29201427 TI - Predictors of long acting and permanent contraceptive methods utilization among Women in Rural North Shoa, Ethiopia. AB - Background: According to available evidence, one in three married women in Ethiopia tends to avoid multiple children. On the other hand, women using Long Acting and Permanent Contraceptive Methods (LAPMs) are just 5 %. So, we aimed at identifying the factors associated with the utilization of LAPMs. Methods: We conducted a community based unmatched case control study among married women living in the rural areas of North Shoa zone, Ethiopia, in March 2015. The cases were married women using LAPMs, while controls were married women who were using modern short term methods. We recruited a total sample of 406 married women for this study on a 1:1 case to control ratio basis. We collected the data through interview using a pre tested questionnaire, and then a logistic regression model was fitted to the data to examine factors associated with the utilization of LAPMs. Adjusted Odds Ratio (AOR) with the corresponding 95% confidence interval was computed. Results: In our study, women whose husbands were daily laborers [AOR; 95% CI: 4.4(1.23,15.72)], who had $85-$140 monthly household income [AOR; 95% CI: 1.8(1.10,3.14)], and who were aged less than 20 years and below when they gave the first birth [AOR; 95% CI: 1.78, 4.90) were more likely to use LAPMs compared to women whose husbands were government employees, who had less than $85 monthly household income, and who were aged 20 years and above when they gave first child. Conclusion: We found that husbands' characteristics were more important than their wives characteristics in influencing women's utilization of LAPMs though such husband characteristics considered in this study were few in number. So, we recommend further research to examine the different characteristics of husbands responsible for women's utilization of LAPMs. PMID- 29201429 TI - Side effects and the need for secrecy: characterising discontinuation of modern contraception and its causes in Ethiopia using mixed methods. AB - Background: Contraceptive discontinuation is a major barrier to reducing global unmet needs for family planning, but the reasons why women discontinue contraception are poorly understood. Here we use data from Ethiopia to investigate (i) the magnitude of contraceptive discontinuation in 2005-2011, (ii) how the risk of discontinuation varies with method type and education level and (iii) the barriers to continuation. Our main hypothesis is that contraceptive discontinuation is driven by the experience of physiological side-effects associated with the use of hormonal contraception, rather than a lack of formal education. Methods: We used a mixed methods explanatory sequential design to explain the quantitative results in more details through the qualitative data. First, we analysed quantitative data from the 2011 Ethiopian Demographic and Health Survey to study patterns of contraceptive discontinuation and method choice using multilevel multiprocess models. Second, we conducted semi-structured interviews and focus group discussions in the 3 most populated regions of Ethiopia with individuals of reproductive age and health professionals. Results: The analysis of EDHS data shows that the rate of discontinuation has not reduced in the period 2005-2011 and remains high. Discontinuation mainly takes the form of abandonment, and is a function of method type, age and wealth but not of educational level. Interviews with women and health professionals reveal that the experience of debilitating physiological side effects, the need for secrecy and poverty are important barriers to continuation. Conclusions: Our findings together suggest that physiological and social side-effects of contraceptive use, not a lack of formal education, are the root causes of contraceptive abandonment in Ethiopia. PMID- 29201430 TI - Evaluation of the challenges faced in increasing contraceptive access within a community college population. AB - Background: Research demonstrates removing barriers to access, decreasing costs and offering same-day placement of long-acting reversible contraception (LARC) increases contraceptive uptake in young women. For those in community college (CC), LARC utilization might reduce the risk of dropout and improve degree completion. We identified a local school who had documented an unmet need for on campus services through a recent student assessment. We then established an on campus, same day contraceptive clinic at the CC as part of a clinical trial. We found that students did not use the service even after multiple attempts to increase awareness and we ended the study. Here, we report lessons learned from attempting research in this environment in addition to results from a follow-up survey to determine why students did not access the clinical resource. Students reported that they already had good access to contraception and preferred to get their healthcare off-campus. This study demonstrates the complexities of studying highly focused interventions to influence access to care in the current health care environment with ever changing regulations. Trial registration: NCT02735551 . Registered April 6, 2016. PMID- 29201428 TI - Effect of aging on the female reproductive function. AB - Aging is a complex biological process that involves the accrual of bodily changes over a long life span. In humans, advanced maternal age is associated with infertility and adverse pregnancy complications. Cellular and organic senescence is hypothesized to contribute to the age-related decline in reproductive function. Accumulating evidence suggests that immune cells play pivotal roles in physiological reproductive function and pregnancy. The concept of "inflammaging" has recently emerged- an age-dependent, low-grade, chronic, and systemic inflammatory state induced by the senescence-associated secretory phenotype (SASP), which is produced by the innate immune, parenchymal, and nonparenchymal cells within the organs. In the present review, we discuss how cellular senescence and inflammaging accelerate reproductive failure in women by promoting SASP and immune-senescence during the establishment of pregnancy. In addition, we discuss the role of immune cells and their senescence in reproductive function, particularly in the ovaries (the corpus luteum), oviduct, and uterus. PMID- 29201431 TI - Indicators of young women's modern contraceptive use in Burkina Faso and Mali from Demographic and Health Survey data. AB - Background: High total fertility rates in Burkina Faso and Mali are leading to population growth beyond the agricultural and fiscal means of its citizens. Providing access to affordable family planning methods is a key step in driving the demographic transition where fertility and mortality rates decline. Furthermore, both nations face significant challenges as climate change is projected to disproportionately impact the western Sahel region undermining environmental, social and economic stability within the region. This analysis was included in formative research to inform family planning programming. The aim of this study was to examine possible indicators of long acting and permanent contraceptive method (LAPM) and short-term method (STM) use for young women in Burkina Faso and Mali. Methods: Secondary data analysis was conducted using the three most recent Demographic and Health Survey (DHS) datasets for Burkina Faso (1998, 2003, 2010) and Mali (2001, 2006, 2012). Women ages 15-24, at risk for unwanted pregnancy were included in these analyses. Summary descriptive statistics across all time points are reported and multinomial logistic regression was used with the most recent data to determine potential indicators of different types of modern contraceptive methods. Results: In Burkina Faso in 2010, 24% of women ages 15-24 were using modern contraceptives. Only 2.9% reported using LAPMs in 2010, an increase from 0.3% in 1998. In Mali, modern contraceptive use increased more recently, rising from 9.4% in 2001 to 10.2% in 2006 to 15.3% in 2012. LAPM use also increased from 0.3% in 2001 to 4.1% in 2012. Significant indicators of LAPM contraceptive use in both countries included educational attainment, ideal family size, home ownership and husband's desire for more children. Conclusions: Young women in Burkina Faso and Mali are increasingly using modern contraceptives for family planning; however, the LAPM contraceptive prevalence rate remains low. Our analysis indicates that social norms around ideal family size for both men and women continue to drive young women's choices around family planning and impede use of LAPMs. To increase modern contraceptive use and curb fertility rates, local governments and development organizations should focus on women's empowerment and include male partners. PMID- 29201432 TI - Tube construction by a tanaidacean crustacean using a novel mucus secretion system involving the anal opening. AB - Background: Animals in diverse aquatic groups construct tubes using mucus and filaments, and the acquisition of this capability has likely played an important role in the evolution and diversification of small benthic animals. Tanaidacea is a crustacean order that includes tube-constructing species, most of which belong to Tanaidoidea and Paratanaoidea, with a few in Kalliapseudidae (Apseudoidea). Two previously reported systems used in tube construction are the thoracic-gland system, with secretory glands in thoracic segments (pereonites), and the pereopodal-gland system, with glands in pereopods. Results: Parapseudidae (Apseudoidea) also includes a tube-constructing species, Parapseudes algicola (Shiino, 1952), which lacks large secretory glands in all pereonites and pereopods, but has a pair of acinar glands in the pleotelson, lateral to the gut. Each gland connects to the gut via a short duct, and thence to the exterior via the anal opening. Secretions released from these glands are used to construct tubes, and contain acidic and neutral mucopolysaccharides. Conclusion: We report in P. algicola a third, novel secretory system, here termed the pleotelsonal gland system, used for tube construction in Tanaidacea. It is similar to the secretory system in some "thalassinidean" decapods; both systems have secretory glands connecting to the gut and thence to the anal opening as the outlet; however, these gland systems likely evolved independently. Recent discoveries of novel secretory systems for tube construction in Tanaidacea suggest that information from smaller, less well-known groups will be necessary to understand how acquisitions of tube-constructing capability affected diversification in animals. PMID- 29201433 TI - Heart regeneration in the salamander relies on macrophage-mediated control of fibroblast activation and the extracellular landscape. AB - In dramatic contrast to the poor repair outcomes for humans and rodent models such as mice, salamanders and some fish species are able to completely regenerate heart tissue following tissue injury, at any life stage. This capacity for complete cardiac repair provides a template for understanding the process of regeneration and for developing strategies to improve human cardiac repair outcomes. Using a cardiac cryo-injury model we show that heart regeneration is dependent on the innate immune system, as macrophage depletion during early time points post-injury results in regeneration failure. In contrast to the transient extracellular matrix (ECM) that normally accompanies regeneration, this intervention resulted in a permanent, highly cross-linked extracellular matrix scar derived from alternative fibroblast activation and lysyl-oxidase enzyme synthesis. The activation of cardiomyocyte proliferation was not affected by macrophage depletion, indicating that cardiomyocyte replacement is an independent feature of the regenerative process, and is not sufficient to prevent fibrotic progression. These findings highlight the interplay between macrophages and fibroblasts as an important component of cardiac regeneration, and the prevention of fibrosis as a key therapeutic target in the promotion of cardiac repair in mammals. PMID- 29201434 TI - Influence of longitudinal position on the evolution of steady-state signal in cardiac cine balanced steady-state free precession imaging. AB - Background: Emerging quantitative cardiac magnetic resonance imaging (CMRI) techniques use cine balanced steady-state free precession (bSSFP) to measure myocardial signal intensity and probe underlying physiological parameters. This correlation assumes that steady-state is maintained uniformly throughout the heart in space and time. Purpose: To determine the effects of longitudinal cardiac motion and initial slice position on signal deviation in cine bSSFP imaging by comparing two-dimensional (2D) and three-dimensional (3D) acquisitions. Material and Methods: Nine healthy volunteers completed cardiac MRI on a 1.5-T scanner. Short axis images were taken at six slice locations using both 2D and 3D cine bSSFP. 3D acquisitions spanned two slices above and below selected slice locations. Changes in myocardial signal intensity were measured across the cardiac cycle and compared to longitudinal shortening. Results: For 2D cine bSSFP, 46% +/- 9% of all frames and 84% +/- 13% of end-diastolic frames remained within 10% of initial signal intensity. For 3D cine bSSFP the proportions increased to 87% +/- 8% and 97% +/- 5%. There was no correlation between longitudinal shortening and peak changes in myocardial signal. The initial slice position significantly impacted peak changes in signal intensity for 2D sequences (P < 0.001). Conclusion: The initial longitudinal slice location significantly impacts the magnitude of deviation from steady-state in 2D cine bSSFP that is only restored at the center of a 3D excitation volume. During diastole, a transient steady-state is established similar to that achieved with 3D cine bSSFP regardless of slice location. PMID- 29201435 TI - Endothelial nitric oxide synthase gene polymorphisms in patients with slow coronary flow. AB - Background and aims: The aim of this study was to explore potential associations of the intron 4 variable number of tandem repeats (VNTR) and E298A polymorphisms of the endothelial nitric oxide synthase (eNOS) gene with slow coronary flow (SCF). The association between plasma nitrate and nitrite (NO x ) concentrations and eNOS gene polymorphisms was also assessed. Materials and methods: The intron 4 VNTR and E298A polymorphisms of the eNOS gene were evaluated in the isolated DNA blood samples obtained from the SCF patient group (n = 30) and healthy group consisted of age- and sex-matched controls (n = 61). Results: Plasma NO x level was significantly lower in patients with SCF than in controls. In addition, patients with SCF have significantly lower nitric oxide levels than control subjects within each genotype variants. The allele and genotyped frequencies of the eNOS intron 4 VNTR and E298A polymorphisms were similar between patients with SCF and the controls. Plasma NO x concentrations with respect to the relevant genotypes were found insignificant. Discussion and conclusion: Plasma NO x is lower in patients with SCF than in healthy subjects. Our findings may suggest the lack of association between intron 4 VNTR and E298A polymorphisms of the eNOS gene and SCF. PMID- 29201436 TI - Therapeutic benefits of phosphodiesterase-5 inhibition in chronic heart failure: A meta-analysis. AB - Background: Phosphodiesterase-5 inhibitors (PDE5i) have been shown to be beneficial for patients with pulmonary arterial hypertension. However, several studies would have documented a useful effect of PDE5i even for pulmonary hypertension secondary to left-sided chronic heart failure (CHF). Methods: We performed a meta-analysis including randomized controlled trials (RCTs) which had compared PDE5i (mostly sildenafil) and placebo in CHF patients. Results: Fourteen studies enrolling a total of 928 patients were incorporated in the meta-analysis. In heart failure with reduced left ventricular ejection fraction (HFREF), PDE5i, compared to placebo, significantly improved the composite of death and hospitalization (OR = 0.28; 95% CI: 0.10-0.74). They also improved peak VO2 [difference in means (MD): 3.76; 95% CI: 3.27-4.25], six-minute walking distance test (MD: 22.7 m; 95% CI: 8.19-37.21), and pulmonary arterial systolic pressure (MD: -11.52 mmHg; 95% CI: -15.56 to -7.49). Conversely, in CHF with preserved left ventricular ejection fraction (HFpEF), PDE5i proved not to yield any significant improvement of the investigated outcomes. Conclusions: In HFREF, PDE5i showed beneficial effects on the composite of death and hospitalization, as well as on exercise capacity and pulmonary hemodynamics. Conversely, in HFpEF, no significant clinical, spiroergometric, or hemodynamic improvement was achieved using PDE5i therapy. PMID- 29201438 TI - Pathomorphological peculiarities of tuberculous meningoencephalitis associated with HIV infection. AB - Background and aims: One of the most severe manifestation displays of tuberculosis (TB) generalization is meningitis/meningoencephalitis. The purpose of this work was to improve the diagnostic efficiency of TB central nervous system (CNS) affection in human immunodeficiency virus (HIV)-infected persons. Materials and methods: Meninges and cerebral tissues, taken from died patients, who were HIV-infected and dead from TB of CNS affection, were investigated histologically. Results and discussion: Our examination showed that clinical course of the pathologic process loses the peculiarity of TB-undulating character, and changes in tissues have monomorphism that appears in the presence of the same type of granulomas with a few Pirogov-Langhans cells. Alterative reactions with formation of the large fields of caseous necrosis, necrotic focuses, areas of infiltration with polymorphic cellular elements went out on the first plan in the disorder of cerebrum in patients with the terminal stage of HIV infection. The tendency to decrease in inflammatory-proliferative processes was observed, which is confirmed by the presence of the poorly expressed cellular reaction on the peripheries of focuses of caseous necrosis. Conclusion: Morphologic features of tuberculous meningoencephalitis in HIV-infected patients are the presence of edema, gliosis, trombovasculitis, small focal hemorrhage, tuberculous granuloma formation with a small number of Pirogov-Langhans cells, and the prevalence of alterative-exudative reactions. PMID- 29201437 TI - Impact of a multicomponent hand hygiene intervention strategy in reducing infection rates at a university hospital in Saudi Arabia. AB - Background and aims: Few studies have reported the correlation between hand hygiene (HH) practices and infection rates in Saudi Arabia. This work was aimed to study the effect of a multicomponent HH intervention strategy in improving HH compliance and reducing infection rates at King Fahd Hospital of the University, Al-Khobar, Saudi Arabia between January 2014 and December 2016. Methods: A yearlong multicomponent HH intervention, which included various strategies recommended by the World Health Organization, was introduced. HH compliance among staff and infection rates observed in the inpatient wards were assessed and compared at pre- and post-interventional phases. Results: There was a significant increase in mean HH compliance from 50.17% to 71.75% after the intervention (P < 0.05). Hospital-acquired infection (HAI) and catheter-associated urinary tract infection (CAUTI) rates decreased from 3.37 to 2.59 and from 3.73 to 1.75, respectively (P < 0.05). HH compliance was found to be negatively correlated with HAI (r = -0.278) and CAUTI (r = -0.523) rates. Conclusions: Results show that multicomponent intervention is effective in improving HH compliance, and that an increase in HH compliance among hospital staff decreases infection rates. Further studies on cost-effectiveness of such a model could augment to these findings. PMID- 29201439 TI - Management of an acute ischemic stroke during thrombolytic treatment in a pregnant patient with prosthetic valve thrombosis. AB - Prosthetic valve thrombosis (PVT) is a life-threatening complication in pregnant women with mechanical prosthetic heart valves. Thrombolytic therapy (TT) has evolved as an effective treatment alternative to surgery, which is associated with very high maternal and fetal mortality and morbidity in these patients. Acute ischemic stroke may rarely occur during TT for PVT. Here, we present a pregnant patient who was complicated with cerebral thromboembolism during TT for PVT and successfully managed with continuation of TT. PMID- 29201440 TI - Evaluation of ghrelin levels and endothelial functions in patients with coronary slow flow phenomenon. AB - Background: Ghrelin has recently been reported to have beneficial effects on cardiac contractile functions and coronary blood flow. The main purpose of this study was to investigate the role of ghrelin in the pathogenesis of coronary slow flow (CSF) together with endothelial functions. Methods: Twenty-five patients having normal coronary arteries with CSF and 25 controls with normal coronary flow were included into the study. The quantitative measurement of coronary blood flow was performed for each coronary artery using the thrombolysis in myocardial infarction (TIMI) frame count (TFC) method. Ghrelin levels were measured using the enzyme-linked immunosorbent assay method from venous blood samples. Endothelial functions were evaluated from the brachial artery with the flow mediated dilation (FMD) and nitrate-related dilation methods. Results: There was a significant difference in terms of mean TFC values between the control and CSF groups (p < 0.001 for all coronary arteries). The mean FMD percentage among patients with CSF was lower than that of the control group (5.9 +/- 0.8 vs. 10.7% +/- 1.1%; p < 0.001). A moderate negative correlation was observed between the FMD percentages and the TFCs. There was no relationship between the TFC and ghrelin levels. Conclusion: Plasma ghrelin levels seem to be uninfluential while impaired endothelial functions play an important role in the etiopathogenesis of CSF. PMID- 29201441 TI - Sex differences of odontometrical indexes crowns of molars. AB - Modern reconstructive methods of dentistry (stopping, restoration, and prosthetics with different types of orthopedic constructions) require detailed examination of the anatomical structure of the teeth crowns, especially examination of the knowledge about the relief of masticatory surface. That is why, we conducted a detailed examination of the features of odontoglyphics of molars, according to the sex and determination the odontometrical teeth indices of the citizens of Ternopil region. To achieve the goals, we use the following research methods, such as odontological, odontometrical, and statistical. According to the odontometrical indices of the sizes of the crowns of the molars, women's processes of reduction are reflected more than men's. Sex differences of the crown sizes are specially defined on the second upper and second lower molars. In the result of the conducted researches, it was found and theoretically confirmed racial identity of Ternopil and Ternopil region citizens, and it was given the characteristics of the differences of odontometrical indices of molar crowns of males and females. The lore of these characteristics plays a great role in the clinic of prosthetic dentistry. PMID- 29201442 TI - Is there an association between ABO blood grouping and periodontal disease? A literature review. AB - Introduction: Although several studies have investigated the relationship between ABO blood group and medical diseases, few reports have explored the association with oral diseases, including periodontal disease (PD). Aim: The aim of this literature review was to assess the association between the ABO blood grouping and PD. Methods: We searched PubMed and Google Scholar databases using the following terms in different combinations: "ABO blood group," "periodontitis," "aggressive periodontitis (AP)," "risk factor," and "Rhesus factor." Databases were searched for articles published from 1977 to August 2016. Titles and abstracts of articles were screened for English-language papers describing clinical studies, case reports, or retrospective studies of oral health status in patients with different ABO blood groups. Letters to the editor, historic reviews, and articles including unpublished data were excluded. Reference lists of included studies were reviewed for additional original and review studies. Results: We identified eight articles describing studies of the relationship between ABO blood groups and PD. The findings suggested a possible genetic basis in the association of the blood group AB with AP. Four studies showed that chronic periodontitis was more common among patients with blood group O. Conclusion: ABO blood subgroup and Rhesus factor could constitute risk predictors in the development of PD. PMID- 29201445 TI - The importance of knowledge: what's new in neuroendocrine thoracic tumors. PMID- 29201443 TI - Anatomical and morphological aspects of papillae, epithelium, muscles, and glands of rats' tongue: Light, scanning, and transmission electron microscopic study. AB - Purpose: The purpose of this paper is to describe the research results of the morphological structure of white laboratory rats' tongue at the macro-, micro-, and ultrastructural levels by scanning, light, and transmission electron microscopy. Results: Our results show that the tongue of these rats has a number of unique morphological features that are different from the tongue of other rodents consequently to allow identifying their species-specific features. Conclusions: Our findings have shown the features of the tongue structure of white laboratory rats at micro-, macro-, and ultrascopic levels. The data analysis revealed that mucous membrane of the tongue contains a large number of papillae, such as fungiform, filiform, foliate, vallate, and multifilamentary papillae. Each has a different shape, size, and location. The tongue's morphological feature consists of three types of filiform papillae, well developed foliate and multifilamentary papillae, as well as one large and similar smaller circumvallate papillae. The muscle of the tongue contains a large number of mitochondria of different shapes and sizes. However, we have received data for a complete picture of structure of this organ that will be useful in further experimental and morphological studies of the white laboratory rats. PMID- 29201444 TI - The interaction effects of resistance training and sustanon abuse on liver antioxidant activities and serum enzymes in male rats. AB - Background: Anabolic-androgenic steroids (AAS) are synthetic drugs derived from testosterone, the uncontrolled usage of which may lead to serious side effects. Previous studies have shown that resistance training (RT) is the main exercise modality practiced by AAS abusers. Thus, this work was carried out to evaluate the hepatotoxic effects of sustanon (Su) as an example of AAS in trained male rats. Methods: Rats were divided into sedentary/non-Su, sedentary/Su, RT/non-Su, and RT/Su. Su-administration groups received Su 10 mg/kg intramuscularly once a week for 8 weeks. In the 8-week RT, the rats climbed a vertical ladder 3 days/week. Results: After Su administration, the mean values of serum parameters related to hepatic function were within normal ranges. Superoxide dismutase, glutathione peroxidase, and glutathione reductase activities were higher (P < 0.05) in the liver of Su-treated rats. Chronic exercise alone did not change any of the above parameters. Conclusions: The present findings suggest that the 8 week injection of Su, either with or without concurrent RT upregulation of enzymatic antioxidant activities and RT, did not attenuate the increase of enzymatic activities due to the Su administration. Furthermore, Su abuse in this dose did not make any severe liver damage. PMID- 29201446 TI - Surgical treatment of low and intermediate grade lung net. AB - Background: Carcinoids now constitute complex tumours which require a multidisciplinary approach and long-term follow-up. Surgical intervention is nowadays confirmed as the mainstay of treatment. Methods: From 1980 to 2015, EMETNE-SEPAR collected 1,339 patients treated surgically for bronchial carcinoid (1,154 typical and 185 atypical carcinoids). Standard and conservative procedures were considered with regard to surgical approach. All the patients with carcinoid were pathologically coded following the standards of the 7th edition 2009 TNM lung cancer staging. Statistical analyses were performed in order to determine whether histology, nodal affectation and surgical technique were associated with significant differences in survival, presence of metastases and local recurrence. Results: The influence of the surgical procedure on overall survival, the presence of metastases and local recurrence were demonstrated as no significant in our sample in central tumours (P>0.05). Sublobar resections in peripheral tumours are related to a decrease in survival in typical carcinoids (P=0.008) with nodal involvement and an increased number of recurrences in atypical carcinoids without nodal involvement (P=0.018). Conclusions: In central typical carcinoid, the use of lung-sparing bronchoplastic techniques could influence local recurrence in some cases. This observation demands the intraoperative pathologic verification of an adequate surgical margin by frozen section. Peripheral typical carcinoids have been surgically treated, occasionally, by sublobar resection. However, in peripheral atypical carcinoid after a limited sublobar resection the observed increase of the probability of local recurrence makes it, in our opinion, not advisable. PMID- 29201447 TI - Lung neuroendocrine tumors: pathological characteristics. AB - Lung neuroendocrine tumors (NETs) are a heterogeneous family of neoplasms comprising four histologic types, namely typical and atypical carcinoid (TC and AC), large-cell neuroendocrine and small cell carcinoma (SCC). Classification criteria include the number of mitoses per 2 mm2, the occurrence and extent of necrosis, cytological and histological features and immunohistochemistry for neuroendocrine markers. The classification system and the diagnostic workflow of lung NETs are apparently easy to apply and well established. However, several unresolved issues still exist in classification and pathological characterization of these tumors, probably because inter-observer diagnostic reproducibility remains disappointing, likely due to inconsistency in recognizing necrosis, mitoses and cytological details, especially in small biopsy or cytological materials. Furthermore, the lack of strong prognostic and grading criteria leads to the incomplete interpretation of some rare intermediate entities that stand in between AC and large cell neuroendocrine carcinoma (LCNEC) categories. PMID- 29201448 TI - Neuroendocrine tumors of the thymus and mediastinum. AB - Neuroendocrine tumors of the thymus (tNET) and mediastinum are very rare neoplasms with scarce available data. All subtypes [typical and atypical carcinoid tumors (TC and AC), large cell neuroendocrine and small cell carcinoma (SCC)] observed elsewhere in the body occur also in the mediastinum and show only few if any organ-specific morphological differences. Although all available data suggest that the broad principles that govern the biology (and hence) the classification of these tumors in general apply also to tNET, there are a few noteworthy peculiarities related e.g., to risk factors, relative frequency and also to molecular genetic features. In this review, we will briefly summarize current knowledge on tNET with a special emphasis on shared and private features in comparison e.g., with pulmonary NET, which have traditionally been regarded the next closely related NET group. PMID- 29201450 TI - The role of surgery in high grade neuroendocrine tumours of the lung. AB - High grade lung neuroendocrine tumours are a heterogeneous subtype of pulmonary cancers including small cell lung cancer (SCLC) and large-cell neuroendocrine carcinoma (LCNEC). LCNEC represents approximately 2-3% of lung cancers, whereas SCLC represents 15-20% of lung cancers. Patients with SCLC and LCNEC have a poor prognosis compared with patients with non-small cell lung cancer (NSCLC). LCNEC is treated with primary surgical resection in stages I-II, which is similar to other NSCLCs. Neo-adjuvant treatment in stage III is similar to NSCLC but has not been well studied. LCNEC tumours have an unfavourable prognosis in higher stages but a more favourable prognosis in earlier stages. Surgery plays a minor role in treatment of SCLC because tumours are often locally advanced or have metastasized at the time of presentation and treatment relies on chemo- or chemoradiotherapy. However, patients with limited cancer may demonstrate better disease control upon surgical treatment. The resection rate of limited disease (LD) SCLC is low (1 6%), but 5-year survival rates of 31-42% after surgical resection are encouraging and are significantly higher than the survival rates of comparable patients that did not have surgery. Curing SCLC in stage I is reported in up to 66% of cases. Local treatment with either resection or radiotherapy alone is followed by high rates of locoregional and distant recurrences, so preoperative or adjuvant treatment is recommended. Here, we summarise the similarities and differences of SCLC and LCNEC and highlight the role of surgery in the treatment of SCLC and LCNEC and its effect on local recurrence prevention. PMID- 29201449 TI - Molecular strategies in the management of bronchopulmonary and thymic neuroendocrine neoplasms. AB - Thoracic NETs [bronchopulmonary NETs (BPNETs) and thymic NETs (TNET)] share a common anatomic primary location, likely a common cell of origin, the "Kulchitsky cell" and presumably, a common etiopathogenesis. Although they are similarly grouped into well-differentiated [typical carcinoids (TC) and atypical carcinoids (AC)] and poorly differentiated neoplasms and both express somatostatin receptors, they exhibit a wide variation in clinical behavior. TNETs are more aggressive, are frequently metastatic, and have a lower 5-year survival rate (~50% vs. ~80%) than BPNETs. They are typically symptomatic, most often secreting ACTH (40% of tumors) but both tumor groups share secretion of common biomarkers including chromogranin A and 5-HIAA. Consistently effective and accurate circulating biomarkers are, however, currently unavailable. Surgery is the primary therapeutic tool for both BPNET and TNETs but there remains little consensus about later interventions e.g., targeted therapy, or how these can be monitored. Genetic analyses have identified different topographies (e.g., significant alterations in chromatin and epigenetic remodeling in BPNETs versus frequent chromosomal abnormalities in TNETs) but there is an absence of clinically actionable mutations in both tumor groups. Liquid biopsies, tools that can measure neoplastic signatures in peripheral blood, can potentially be leveraged to detect disease early i.e., recurrence, predict tumors that may respond to specific therapies and serve as real-time monitors for treatment responses. Recent studies have identified that mRNA transcript analysis in blood effectively identifies both BPNET and TNETs. The clinical utility of this gene expression assay includes use as a diagnostic, confirmation of completeness of surgical resection and use as a molecular management tool to monitor efficacy of PRRT and other therapeutic strategies. PMID- 29201451 TI - Neuroendocrine tumors of the thymus. AB - Primary neuroendocrine tumors of the thymus (NETTs) are rare and biologically very aggressive neoplasms, usually located in the anterior mediastinal space. They are more frequently observed in males, in their fourth/fifth decades of life. In 50% of cases, NETTs are associated with endocrinopaties [Cushing's syndrome, acromegaly or Multiple Endocrine Neoplasia-1 (MEN-1) syndrome]. NETTs very often present with invasion of the surrounding mediastinal anatomical structures. Surgery, even in advanced stages, is the mainstay of treatment: a compete resection through a median sternotomy or a combined access (sternotomy + thoracotomy) should be always attempted. Induction chemotherapy (+/- radiotherapy) is usually administered in advanced neoplasms, with the aim to achieve tumor shinkage, increasing, therefore, the chance to obtain a complete resection. Postoperative radiotherapy (+/- chemotherapy) is administered in case of invasive lesions, or incomplete resections. NETTs long-term outcome is poor, even in case of completely resected tumors, due to high risk of recurrence or distant metastases development. Prognosis mainly depends on tumor stage, invasivity, completeness of resection, possible association with endocrinopaties and recurrence/distant metastases development. PMID- 29201452 TI - Neuroendocrine tumors of the thymus: the oncologist point of view. AB - Thymic malignancies represent a heterogeneous group of rare thoracic cancers, which are classified according to the World Health Organization (WHO) histopathologic classification that distinguishes thymomas from thymic carcinomas and neuroendocrine tumors; neuroendocrine thymic tumors (NETTs) exhibit the same histological spectrum as in other anatomical locations, although with different frequencies. NETTs represent around 2% of all neuroendocrine tumors, and about 5% of all thymic malignancies. Overall, the management of patients with NETTs tumors requires continuous multidisciplinary expertise at any step of the disease progression. Systemic treatment relies on cytotoxic chemotherapy, as well as on somatostatin analogues and everolimus. Systemic treatment may be delivered in a curative-intent approach, for patients presenting with locally-advanced tumor at the time of diagnosis, with invasion of intra-thoracic neighboring structures. In such cases, chemotherapy has been used in an induction setting, to reduce the tumor burden-possibly allowing subsequent surgery and/or radiotherapy-or as a postoperative treatment if the tumor was resectable upfront, to reduce the risk of recurrence and achieve prolonged disease control. Systemic therapies are also a palliative-intent treatment of unresectable, metastatic, and recurrent NETTs. Chemotherapy may then be an option for aggressive disease, but somatostatin analogues and everolimus are suitable as well. Alternative options are emerging through clinical trials. As no dedicated study has ever been conducted, recommendations for systemic treatment in NETTs have been mostly based on retrospective cohorts of limited numbers patients, especially in the advanced disease setting, and expert opinion based on experience from primary pulmonary, as well as gastro-intestinal neuroendocrine tumors, for which clinical trials have been conducted. PMID- 29201453 TI - The role of multimodal treatment in patients with advanced lung neuroendocrine tumors. AB - Lung neuroendocrine tumors (NETs) comprise typical (TC) and atypical carcinoids (AC). They represent the well differentiated (WD) or low/intermediate grade forms of lung neuroendocrine neoplasms (NENs). Unlike the lung poorly differentiated NENs, that are usually treated with chemotherapy, lung NETs can be managed with several different therapies, making a multidisciplinary interaction a key point. We critically discussed the multimodal clinical management of patients with advanced lung NETs. Provided that no therapeutic algorithm has been validate so far, each clinical case should be discussed within a NEN-dedicated multidisciplinary team. Among the systemic therapies available for metastatic lung NETs everolimus is the only approved drug, on the basis of the results of the phase III RADIANT-4 trial. Another phase III trial, the SPINET, is ongoing comparing lanreotide with placebo. Peptide receptor radionuclide therapy and chemotherapy were not studied within phase III trials for lung NETs, and they have been reported to be active within retrospective or phase II prospective studies. Temozolomide and oxaliplatin are two interesting chemotherapeutic agents in lung NETs. While some European Institutions were certificated as Centers of Excellence for gastroenteropancreatic NENs by the European Neuroendocrine Tumor Society (ENETS), an equivalent ENETS certification for lung NENs does not exist yet. Ideally a lung NEN-dedicated multidisciplinary tumor board should include NEN-dedicated medical oncologists, thoracic medical oncologist, thoracic surgeons, pathologists, interventional radiologists, endocrinologists, radiotherapists, interventional pneumologists, nuclear physician. PMID- 29201454 TI - The role of peptide receptor radionuclide therapy in advanced/metastatic thoracic neuroendocrine tumors. AB - Bronchopulmonary (BP) neuroendocrine tumors (NETs) comprise a spectrum of tumors that develop from respiratory neuroendocrine cells and represent ~20% of all lung neoplasia and ~30% of all NETs. The only curative treatment is surgical resection. For well-differentiated forms (typical and atypical carcinoids), medical therapy ranges from bioactive agents (e.g., somatostatin analogs), to biotherapy (e.g., everolimus), standard chemotherapy and peptide receptor radionuclide therapy (PRRT). PRRT with radiolabeled somatostatin analogs is an innovative treatment for inoperable or metastasized, well/moderately differentiated, NET. Initially developed for gastroenteropancreatic tumors, it is also used in BP-NET because these tumors express the target receptor. Two decades of clinical trials with either 90Y-octreotide or 177Lu-octreotate, have demonstrated the efficacy of PRRT, as measured by tumor response, symptom relief and quality of life (QoL) improvement. PRRT with 90Y- and 177Lu-peptides is generally well-tolerated and adverse events (kidney and bone marrow) are modest. The paper illustrates the history, technique and results of this treatment in the few dedicated studies and the many BP NET cases embedded within larger NET series. The limitations of the present body of information are addressed, and the future perspectives, in terms of prospective studies required to define the position of PRRT in the therapeutic algorithm of BP-NETs and the need for predictive molecular biomarkers to guide future studies, are discussed. PMID- 29201455 TI - Optofluidic Lab-on-a-Chip Fluorescence Sensor Using Integrated Buried ARROW (bARROW) Waveguides. AB - Optofluidic, lab-on-a-chip fluorescence sensors were fabricated using buried anti resonant reflecting optical waveguides (bARROWs). The bARROWs are impervious to the negative water absorption effects that typically occur in waveguides made using hygroscopic, plasma-enhanced chemical vapor deposition (PECVD) oxides. These sensors were used to detect fluorescent microbeads and had an average signal-to-noise ratio (SNR) that was 81.3% higher than that of single-oxide ARROW fluorescence sensors. While the single-oxide ARROW sensors were annealed at 300 degrees C to drive moisture out of the waveguides, the bARROW sensors required no annealing process to obtain a high SNR. PMID- 29201456 TI - Use of OCT Angiography in Choroidal Melanocytic Tumors. AB - Objective: To describe OCTA findings in choroidal melanocytic tumors, especially the microcirculation patterns, and to try to correlate with the histopathological studies. Methods: Cross-sectional, comparative, observational study. 70 cases, including 55 choroidal nevi and 15 choroidal melanomas. Three different observers evaluated specific variables in the choriocapillaris layer on AOCT images and searched for images which described histopathologic vascular patterns, and also, a general description of the images was made. Complementary multi-imaging studies included EDI SD-OCT, color and autofluorescence fundus imaging, Doppler ultrasound, and indocyanine/fluorescein angiography. Main Results: Good quality studies were acquired in 80% of the cases, with kappa indexes 0.768-0.958. Nevus OCTA images were described mainly as hyperreflective (72.7%), whereas choroidal melanoma as iso/hyporeflective (62.5%). Avascular areas were found in 50.96% and in 33.3% of choroidal nevus and choroidal melanomas, respectively. A neovascular membrane was found only in cases of choroidal nevus (16.3%). Only in cases of choroidal melanomas, we found vascular loops (6.6%) or vascular networks (6.6%). Conclusion: OCTA is a promising new technology that can be used to study in vivo the differential characteristics of microcirculations between posterior segment melanocytic lesions. Today, larger studies are needed to corroborate these findings and to correlate it with malignancy. PMID- 29201457 TI - The Effect of CM082, an Oral Tyrosine Kinase Inhibitor, on Experimental Choroidal Neovascularization in Rats. AB - The aims of this study were to evaluate the effects of CM082 on the development of choroidal neovascularization (CNV) in a laser-induced CNV rat model and to determine the drug concentration in the ocular tissues. After the laser-induced CNV model was established in rats, CM082 was orally administered. The effects of CM082 on the CNV lesions were assessed using fundus fluorescein angiography (FFA), CNV histology, and retinal pigment epithelium- (RPE-) choroid-sclera eyecup analysis. The concentrations of CM082 in the plasma and eye tissues were determined using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results of FFA, histology, and RPE-choroid-sclera eyecup analysis demonstrated that the CM082-treated (10 mg/kg/d or 30 mg/kg/d) rats exhibited significantly less neovascularization than did the control group. The total concentration of CM082 in the eyes (172.86 +/- 57.11 ng/g) was similar to that in the plasma (196.87 +/- 73.13 ng/ml). Within the eye, the concentrations of CM082 and its metabolites were highest in the retina-sclera. The orally administered CM082 thus effectively passed through the blood-retina barrier (BRB) to reach the retina in the Brown Norway rats. Therefore, at both 10 mg/kg/d and 30 mg/kg/d, CM082 was able to reduce CNV lesions in the laser-induced CNV rat model. PMID- 29201458 TI - Switch to Aflibercept in the Treatment of Neovascular AMD: Long-Term Results. AB - Purpose: To report the long-term clinical outcomes after switching from intravitreal bevacizumab or ranibizumab to aflibercept therapy in eyes with AMD. Methods: Retrospective analysis of changes in BCVA, SD-OCT image, and frequency of injections after 1, 2, and 3 years of follow-up. Results: 164 eyes were analyzed, 101 eyes switched from bevacizumab (group 1) and 63 from ranibizumab (group 2). One year after the switch, there was an overall nonsignificant mean decrease of 2 ETDRS letters in BCVA. Three years after, there was an overall mean decrease of 7 ETDRS letters, which was statistically significant. A significant improvement in the mean CRT was found at 1, 2, and 3 years. There was a significant decrease in the mean number of injections per year (7.8 to 6.5, p < 0.005) between the first and third year. Conclusion: Aflibercept can be useful in the management of refractory neovascular AMD, with a good morphological response. However, in the long-term, BCVA stabilization was not achieved. PMID- 29201459 TI - Algorithm for Correcting the Keratometric Error in the Estimation of the Corneal Power in Keratoconus Eyes after Accelerated Corneal Collagen Crosslinking. AB - Purpose: To analyze the errors associated to corneal power calculation using the keratometric approach in keratoconus eyes after accelerated corneal collagen crosslinking (CXL) surgery and to obtain a model for the estimation of an adjusted corneal refractive index (nkadj ) minimizing such errors. Methods: Potential differences (DeltaPc) among keratometric (Pk ) and Gaussian corneal power (PcGauss) were simulated. Three algorithms based on the use of nkadj for the estimation of an adjusted keratometric corneal power (Pkadj ) were developed. The agreement between Pk(1.3375) (keratometric power using the keratometric index of 1.3375), PcGauss, and Pkadj was evaluated. The validity of the algorithm developed was investigated in 21 keratoconus eyes undergoing accelerated CXL. Results: Pk(1.3375) overestimated corneal power between 0.3 and 3.2 D in theoretical simulations and between 0.8 and 2.9 D in the clinical study (DeltaPc). Three linear equations were defined for nkadj to be used for different ranges of r1c. In the clinical study, differences between Pkadj and PcGauss did not exceed +/-0.8 D nk = 1.3375. No statistically significant differences were found between Pkadj and PcGauss (p > 0.05) and Pk(1.3375) and Pkadj (p < 0.001). Conclusions: The use of the keratometric approach in keratoconus eyes after accelerated CXL can lead to significant clinical errors. These errors can be minimized with an adjusted keratometric approach. PMID- 29201460 TI - Early Diagnosis of HIV among Infants Born to HIV-Positive Mothers on Option-B Plus in Kampala, Uganda. AB - Introduction: Globally, there is delay in accessing early HIV diagnosis (EID) among HIV exposed infants (HEIs). With paucity of data on EID use at Kisenyi Health Center, this study assessed factors associated with EID use among HEIs (HIV exposed infants). Method: This was a cross-sectional study of 246 HIV positive mother-baby pairs. Data was collected by structured questionnaire, double-entered in EpiData, and analyzed with STATA using multinomial logistic regression at 5% significance level. Results: 132 (53.7%) HEIs were not tested, 60 (24.4%) tested outside EID guideline, and 54 (21.9%) tested per the guideline. Testing per guideline was associated with maternal age above 30 years (AOR = 2.75; 95% CI: 1.20-6.34; P = 0.017); testing outside the guideline was associated with maternal HIV serostatus disclosure (AOR = 2.70; 95% CI: 1.10-6.63; P = 0.003) and four or more antenatal care (ANC) visits (AOR = 3.25; 95% CI: 1.23 8.59; P = 0.017). However, maternal knowledge of HIV transmission was associated with testing outside the guideline (AOR = 2.90; 95% CI: 1.10-7.65; P = 0.032) and per the guideline (AOR = 3.70; 95% CI: 1.39-9.88; P = 0.009). Conclusion: Timely EID testing was low. Improving maternal knowledge of EID during ANC visits and positive living empowerment is critical. PMID- 29201461 TI - Fluorinated Adenosine A2A Receptor Antagonists Inspired by Preladenant as Potential Cancer Immunotherapeutics. AB - Antagonism of the adenosine A2A receptor on T cells blocks the hypoxia adenosinergic pathway to promote tumor rejection. Using an in vivo immunoassay based on the Concanavalin A mouse model, a series of A2A antagonists were studied and identified preladenant as a potent lead compound for development. Molecular modeling was employed to assist drug design and subsequent synthesis of analogs and those of tozadenant, including fluorinated polyethylene glycol PEGylated derivatives. The efficacy of the analogs was evaluated using two in vitro functional bioassays, and compound 29, a fluorinated triethylene glycol derivative of preladenant, was confirmed as a potential immunotherapeutic agent. PMID- 29201462 TI - Efficacy of Second-Line Pemetrexed-Carboplatin in EGFR-Activating Mutation Positive NSCLC: Does Exon 19 Deletion Differ from Exon 21 Mutation? AB - Background: It is unknown whether the outcomes of second-line pemetrexed carboplatin chemotherapy administered after progression on gefitinib are dependent on type of EGFR mutation present at baseline. Method: Adult non-small cell lung cancer patients, with exon 19 deletion or exon 21 L858R mutation, who progressed on gefitinib and received pemetrexed-carboplatin chemotherapy were selected for this analysis. Result: 55 patients received pemetrexed-carboplatin as second-line treatment. Response rates in evaluable patients were 39.3% in exon 19 patients (n = 28) and 33.3% in exon 21 patients (n = 15) (p = 0.752, Fisher's exact 2-sided p value). The median PFS in exon 19 and 21 cohorts was 5.900 months (95% CI: 4.274-7.526) and 4.767 months (95% CI: 1.374-8.159), respectively. The median overall survival in exon 19 patients was (11.8 months, 95% CI: 9.916 13.684 months) significantly better than that seen in exon 21 mutation patients (6.2 months, 95% CI: 4.215-8.118 months, p = 0.024) on univariate analysis; however, on multivariate analysis, this association was not confirmed (HR = 0.361, 95% CI: 0.090-1.439, p = 0.149). Conclusion: Exon 19 deletion has no impact on PFS and OS in EGFR-mutated patients treated with second-line pemetrexed carboplatin. PMID- 29201463 TI - Complex Monitoring of Biochemical and Radionuclide Parameters in Patients with Metastatic Renal Cell Carcinoma during Immunotherapy. AB - Study Objective: To study the effectiveness of complex monitoring of the kidney function, based on biochemical and radionuclide methods in patients with metastatic renal cell carcinoma (mRCC). Materials and Methods: 41 mRCC patients after nephrectomy received nivolumab (n = 23) and interferon-alpha (n = 18) from 2015 to 2017. At baseline and 2 months after, all patients underwent blood chemistry, urinalysis, Rehberg test, and ELISA to determine serum levels of IL 17A, TGF-beta, and erythropoietin. The monitoring of the renal function and urodynamics by complex renal scintigraphy (CRS) was used for all patients using a dual-detector gamma camera and simultaneous data recording in 2 projections. The interpretation of CRS data used the original SENS CRS technology. Study Results: Statistically significant correlations were established between IL-17A, TGF-beta, and D (excretion rate of 99mTc-technephore from the parenchyma) and Rnfsc (a stable sign of nephrosclerosis), respectively. A significant correlation was established between the parameters of the complex functional monitoring with the prognosis for the risk of renal failure (RF) and efficacy of immunotherapy in mRCC. Conclusions: All mRCC patients after nephrectomy were recommended to undergo biochemical monitoring with inclusion of TGF-beta and IL-17A, as well as radionuclide monitoring (CRS) to determine the RF risk at an early stage. PMID- 29201464 TI - Health Indicators of US Older Adults Who Received or Did Not Receive Meals Funded by the Older Americans Act. AB - Background: The Older Americans Act (OAA) requires that nutrition programs provide meals and related nutrition services that promote health and help manage chronic diseases. The purpose of this study was to compare health status, food security, functional limitations, and chronic diseases of older adults who received or did not receive OAA meals using data from a representative sample of US adults. Methods: Data were from the National Health and Nutrition Surveys 2011 2014 for 2,392 older adults >= 65 years of age, including 187 Mexican Americans, 212 other Hispanics, 521 non-Hispanic Blacks, 219 non-Hispanic Asians, and 1253 non-Hispanic Whites. Results: Those receiving OAA meals had higher percent of food insecurity and functional disabilities. Adjusting for potential confounders, adults who received OAA meals had higher odds of emphysema (OR = 2.02; 1.05, 3.89) and lower odds of good-to-excellent health (OR = 0.52; 0.36, 0.77). Women and minorities had poorer health status compared to non-Hispanic Whites. Conclusion: A higher proportion of older adults who received nutritional services reported poorer health as compared to older adults who do not participate in these services. Future studies should assess nutritional adequacy for older adults who participate in nutritional programs comparing sex and race/ethnicity. PMID- 29201465 TI - A Reliable and Reproducible Model for Assessing the Effect of Different Concentrations of alpha-Solanine on Rat Bone Marrow Mesenchymal Stem Cells. AB - Alphalpha-solanine (alpha-solanine) is a glycoalkaloid present in potato (Solanum tuberosum). It has been of particular interest because of its toxicity and potential teratogenic effects that include abnormalities of the central nervous system, such as exencephaly, encephalocele, and anophthalmia. Various types of cell culture have been used as experimental models to determine the effect of alpha-solanine on cell physiology. The morphological changes in the mesenchymal stem cell upon exposure to alpha-solanine have not been established. This study aimed to describe a reliable and reproducible model for assessing the structural changes induced by exposure of mouse bone marrow mesenchymal stem cells (MSCs) to different concentrations of alpha-solanine for 24 h. The results demonstrate that nonlethal concentrations of alpha-solanine (2-6 MUM) changed the morphology of the cells, including an increase in the number of nucleoli, suggesting elevated protein synthesis, and the formation of spicules. In addition, treatment with alpha-solanine reduced the number of adherent cells and the formation of colonies in culture. Immunophenotypic characterization and staining of MSCs are proposed as a reproducible method that allows description of cells exposed to the glycoalkaloid, alpha-solanine. PMID- 29201466 TI - Breast Cancer Status in Iran: Statistical Analysis of 3010 Cases between 1998 and 2014. AB - Background: Breast cancer is the 5th leading cause of cancer death in Iranian women. This study analyzed 3010 women with breast cancer that had been referred to a cancer research center in Tehran between 1998 and 2014. Methods: In this retrospective study, we analyzed 3010 breast cancer cases with 32 clinical and paraclinical attributes. We checked the data quality rigorously and removed any invalid values or records. The method was data mining (problem definition, data preparation, data exploration, modeling, evaluation, and deployment). However, only the descriptive analyses' results of the variables are presented in this article. To our knowledge, this is the most comprehensive study on breast cancer status in Iran. Results: A typical Iranian breast cancer patient has been a 40-50 year-old married woman with two children, who has a high school diploma and no history of abortion, smoking, or diabetes. Most patients were estrogen and progesterone receptor positive, human epidermal growth factor (HER) negative, and P53 negative. Most cases were detected in stage 2 with intermediate grade. Conclusion: This study revealed original findings which can be used in national policymaking to find the best early detection method and improve the care quality and breast cancer prevention in Iran. PMID- 29201467 TI - Constitutive Expression of Adiponectin in Endothelial Progenitor Cells Protects a Rat Model of Cerebral Ischemia. AB - Endothelial progenitor cells (EPCs), as precursors to endothelial cells, play a significant part in the process of endogenous blood vessel repair and maintenance of endothelial integrity. Adiponectin (APN) is an adipocyte-specific adipocytokine. In this study, we aim to test whether we transplant a combined graft of EPCs transfected with the adiponectin gene into a rat model of cerebral ischemia could improve functional recovery after middle cerebral artery occlusion (MCAO). Sprague-Dawley (SD) rats were randomly divided into a MCAO control group, a MCAO EPC treatment group, and a MCAO LV-APN-EPC treatment group. A focal cerebral ischemia and reperfusion model was induced by the intraluminal suture method. After 2 h of reperfusion, EPCs were transplanted by injection through the tail vein. A rotarod test was conducted to assess behavioral function before MCAO and on days 1, 7, and 14 after MCAO. After 14 d, TTC staining, CD31 immunofluorescence, and TUNEL staining were used to evaluate infarct volume, microvessel density, and cell apoptosis. Results revealed that behavioral function, infarct area percentage, microvessel density, and cell apoptosis rates were more favorable in the LV-APN-EPC treatment group than in the EPC treatment group. These data suggested that gene-modified cell therapy may be a useful approach for the treatment of ischemic stroke. PMID- 29201468 TI - A Case Report of Recurrent Takotsubo Cardiomyopathy in a Patient during Myasthenia Crisis. AB - Introduction: Patients with myasthenia crisis can develop Takotsubo stress cardiomyopathy (SC) due to emotional or physical stress and high level of circulating catecholamines. We report a patient who developed recurrent Takotsubo cardiomyopathy during myasthenia crisis. Coexisting autoimmune disorders known to precipitate stress cardiomyopathy like Grave's disease need to be evaluated. Case Report: A 69-year-old female with seropositive myasthenia gravis (MG), Grave's disease, and coronary artery disease on monthly infusion of intravenous immunoglobulin (IVIG), prednisone, pyridostigmine, and methimazole presented with shortness of breath and chest pain. Electrocardiogram (ECG) showed ST elevation in anterolateral leads with troponemia. Coronary angiogram was unremarkable for occlusive coronary disease with left ventriculogram showing reduced wall motion with apical and mid left ventricle (LV) hypokinesis suggestive of Takotsubo stress cardiomyopathy. Her symptoms were attributed to MG crisis. Her symptoms, ECG, and echocardiographic findings resolved after five cycles of plasma exchange (PLEX). She had another similar episode one year later during myasthenia crisis with subsequent resolution in 10 days after PLEX. Conclusion: Takotsubo cardiomyopathy can be one of the manifestations of myasthenia crisis with or without coexisting Grave's disease. These patients might benefit from meticulous fluid status and cardiac monitoring while administering rescue treatments like IVIG and PLEX. PMID- 29201469 TI - Perforated Duodenal Diverticulum with Subtle Pneumoretroperitoneum on Abdominal X Ray. AB - Abdominal pain is one of the most common presenting complaints at the Emergency Department (ED). Given the myriad of possible differential diagnoses for abdominal pain, it becomes more important to diagnose conditions requiring emergent surgical intervention early. We present a case of an elderly male patient with abdominal pain secondary to perforated hollow viscus, subtle evidence of pneumoretroperitoneum on the initial supine abdominal X-ray, and review the signs of pneumoperitoneum and pneumoretroperitoneum on plain abdominal X-rays. PMID- 29201470 TI - A Novel Mutation of the CYP11B2 in a Saudi Infant with Primary Hypoaldosteronism. AB - Isolated hypoaldosteronism is a rare autosomal recessive disease presenting with severe salt wasting and failure to thrive in infancy. A 6-month-old Saudi girl born to consanguineous parents was referred from primary health care for failure to thrive and developmental delay. Laboratory tests revealed hyponatremia, hyperkalemia, and metabolic acidosis with high renin and low aldosterone. Blood samples were collected for endocrine and genetic studies. Sequence analysis of the CYP11B2 revealed a T to A transition at position 1398 + 2 in exon 8 of the gene in a homozygous state (c.1398+T>A). This result was confirmed by sequencing an independent PCR product. Given the position of the transition at a highly conserved nucleotide and the predictions of different bioinformatic algorithms, it is likely that the mutation is the pathogenic cause of this condition. This result was compared with the reference NM_000498.3. Here, we report a novel homozygous mutation resulting in aldosterone synthase deficiency. To the best of our knowledge, this mutation has not been described in the literature or in any database thus far. The mutation manifested as a rare inherited disease in an infant exhibiting critical salt loss. An adequate replacement treatment will give a good long-term prognosis. PMID- 29201471 TI - Metastatic Renal Cell Cancer to Thyroid Diagnosed by Endoscopic Ultrasound Guided Fine Needle Aspiration Technique. AB - Medical literature about the role of endoscopic ultrasound (EUS) in identifying thyroid lesions is limited. We present a case of secondary thyroid cancer from renal cell carcinoma (RCC) metastasis, diagnosed by thyroid EUS-fine needle aspiration (FNA) approach that was done for staging of esophageal adenocarcinoma, in a patient with 11-year history of complete right nephrectomy for RCC. An 81 year-old female patient underwent EUS for the evaluation of a newly discovered distal esophageal cancer. A hypoechoic, round, and well-demarcated mass that measured 26.9 mm * 21.9 mm was noticed in the right lobe thyroid gland. Therefore FNA was performed. The cytological results were consistent with metastatic RCC. In conclusion, EUS-FNA of thyroid nodule is a feasible and safe technique that can be used to evaluate any suspicious thyroid nodule. This case emphasizes the importance of carefully examining the thyroid gland during routine upper esophageal EUS examinations in the presence of history of nonthyroidal cancer. PMID- 29201472 TI - Severe Cytomegalovirus Reactivation in Patient with Low-Grade Non-Hodgkin's Lymphoma after Standard Chemotherapy. AB - Clinically significant cytomegalovirus (CMV) reactivation is not uncommon in patients with severe immunodeficiency secondary to underlying medical disorders or following aggressive immunosuppressive therapy. However, it is less frequently found in patients with low-grade haematological malignancies after nonintensive chemotherapy. We treated a patient at our centre for stage IVB follicular lymphoma with standard chemotherapy who successively developed CMV colitis associated with a CMV viral load of >3 million copies/ml. Four lines of antiviral treatment were necessary to obtain biochemical remission with undetectable CMV levels, with an initially insufficient response to valganciclovir despite therapeutic pre- and posttreatment levels. Subsequently, our patient also developed an infection with Pneumocystis jirovecii pneumonia (PJP) as further evidence of severe immune compromise. This case report demonstrates the importance of including investigations for less common sources of infection when confronted with a patient with a low-grade haematological malignancy and a pyrexia of unknown origin. PMID- 29201473 TI - Recurrent Huge Left Bartholin's Gland Abscess for One Year in a Teenager. AB - Bartholin's gland abscess is the commonest worldwide reported abscess in gynaecological outpatient clinics; it has also been reported that Bartholin's gland abscess is three times more common in occurrences compared to Bartholin's gland cyst. It is more common in women who are at risk of acquiring sexually transmitted infections; however, other causes of infection should be investigated to exclude other causes of disease. We present the case of an 18-year-old female patient, a teenager of the reproductive age group, with the recurrent development of huge Bartholin's gland abscess in a period of one year. The marsupialization surgical technique of repair was performed successfully. She was discharged home and she was scheduled to visit STI's clinic where she was receiving regular screening for STI's and she was also given health education regarding preventive measures for STI's. PMID- 29201474 TI - Globus Pallidus Internus Deep Brain Stimulation for Disabling Diabetic Hemiballism/Hemichorea. AB - Unilateral hemichorea/hemiballism (HH) associated with contralateral neuroimaging abnormalities of the basal ganglia, which is characterized by T1 hyperintensity on magnetic resonance imaging (MRI) and is secondary to diabetic nonketotic hyperglycemia, is a rare and unique complication of poorly controlled diabetes mellitus (DM). Although almost all prior reports have documented rapid resolution of HH within days after normalization of blood glucose levels, medically refractory persistent HH has been noted. The experience of surgical intervention for persistent HH is limited. A 46-year-old, right-handed female patient with type 2 DM presented with refractory diabetic HH on the left side of 6 months' duration despite DM control and neuroleptic medication usage. Image-guided deep brain stimulation (DBS) on the right globus pallidus internus (GPi) was performed. A mechanical micropallidotomy effect was observed and chronic stimulation of GPi was quite effective in symptomatic control of diabetic HH until a 16-month follow-up visit. DBS of the GPi can be an effective treatment for medically refractory diabetic HH. PMID- 29201475 TI - A Rare Case of Glioblastoma Multiforme with Osseous Metastases. AB - Glioblastoma multiforme is the most common malignant primary central nervous system neoplasm in adults. It has a very aggressive natural history with a median overall survival estimated at 14.6 months despite multimodality treatment. Extracranial metastases are very rare with few case reports published to date. We report the case of a 65-year-old male who underwent maximal safe resection for a newly diagnosed brain mass after presentation with new neurologic symptoms. He then received standard postsurgical adjuvant treatment for glioblastoma. Subsequently, he underwent another resection for early progressive disease. Several months later, he was hospitalized for new-onset musculoskeletal complaints. Additional investigation revealed new metastatic osseous lesions which were initially felt to be a new malignancy. The patient opted for supportive care and died 12 days later. Despite choosing no treatment, he elected to undergo a bone biopsy to understand the new underlying process. Results were that of metastatic GBM and were reported after the patient expired. Physicians caring for patients with GBM and new nonneurologic symptoms may contemplate body imaging. PMID- 29201476 TI - Multimodal Imaging Analysis in a Case with Congenital Fovea-Involving Retinal Macrovessel and Excellent Visual Acuity. AB - Purpose: Congenital retinal macrovessels (CRM) represent rare aberrant vasculature of the retinal vessels that can supply or drain the macula. In this report, the optical coherence tomography angiography features of a congenital retinal macrovessel are discussed. Methods: The history and examination findings are presented alongside swept-source OCT angiography with corresponding B scan and en face OCT imaging. Patients: The case is a 12-year-old female patient with excellent best-corrected visual acuity in both eyes. Results: Swept-source OCT angiography demonstrated considerable loss of the foveal avascular zone at the levels of the superficial and deep capillary plexus. Discussion: In this case there was no detrimental effect on vision despite anatomical loss of the foveal avascular zone. PMID- 29201477 TI - A Case of Advanced Glaucoma with Increased Episcleral Venous Pressure in a 17 Year-Old with Eisenmenger Syndrome. AB - Eisenmenger syndrome refers to reversal of shunt and central cyanosis due to pulmonary hypertension induced by congenital heart disease with a large systemic to-pulmonary shunt. We report a case of a 17-year-old man with Eisenmenger syndrome who presented with gradual deterioration in visual acuity and was diagnosed with advanced secondary open angle glaucoma. There have been reports of patients suffering from thrombosis due to hyperviscosity associated with this syndrome; however, to our knowledge, the association of secondary open angle glaucoma with Eisenmenger syndrome has not yet been documented. PMID- 29201478 TI - Historical Case of Cervical Penetrating Wound: From First Aid to Surgical Intervention. AB - Objective: We report a case of cervical penetrating wound by posing the problem of its support and by analyzing the chain of survival of a patient to human sacrifice. Case Report: It was an 11-year-old boy admitted to the hosting service of cervical penetrating wound emergency occurring in a context of human sacrifice by weapon (knife). On admission, the conscious patient had a left cervical hematoma at the level of the cervical zone II and severe signs of acute anemia. The exploratory cervicotomy, carried out 12 hours after the trauma under transfusion, allowed us to highlight a section of the front edge of the sternocleidomastoid and previous jugular muscles under hyoid. We noted the presence of a linear wound of 1 cm at the level of the left internal jugular vein. The wound of the internal jugular vein has been repaired with the Prolene 4.O. The outcome was good, allowing the exit 10 days after cervicotomy. Conclusion: The causal circumstances of cervical penetrating wounds are diverse. Their importance or their severity depends on the causative circumstances dominated by aggression and attempts to autolysis. Human sacrifice, with use of the weapon, is an exceptional circumstance. PMID- 29201479 TI - Lingual Osseous Choristoma of the Tongue Base: Unusual Presentation of a Rare Entity. AB - Osseous lesions of the tongue, also referred to as osseous choristomas, are benign growths of bony tissue. These lesions are not true neoplasms but rather represent growth of normal tissue at an abnormal location. Clinically, they appear as exophytic masses of the tongue, and they are treated by surgical excision. Lingual osseous choristomas are rare entities, with only 71 reported cases in the literature. We present the case of a lingual osseous choristoma of the tongue base in a 21-year-old female. Of the cases of lingual osseous choristoma reported in the literature, ours is only the fifth case to involve this location. PMID- 29201480 TI - Cholesterol Granuloma in the Maxillary Sinus: Are Endodontically Treated Teeth Involved in Its Etiopathogenesis? AB - Cholesterol granuloma (CG) is a tissue reaction in response to the accumulation of cholesterol crystals rarely found in the maxillary sinus. The etiopathogenesis of maxillary sinus CG remains unclear. We reviewed the literature and added two new reports of cholesterol granuloma in maxillary sinus related to endodontically treated maxillary posterior teeth. The first report refers to a 45-year-old woman diagnosed with rhinitis, who was submitted to endodontic retreatment of maxillary molar, and subsequently showed maxillary sinus opacity with cystic appearance. The second case describes a young adult woman, who presented a cystic mass in maxillary sinus after endodontic treatment, in close association with the apex of the maxillary right second premolar. Both patients were treated by a classic Caldwell-Luc surgery and the microscopic analyses revealed maxillary sinus CG. In the following, the authors discuss the probable involvement of endodontically treated maxillary posterior teeth in the etiopathogenesis of maxillary sinus CG. PMID- 29201481 TI - Cystic Lymphangioma of the Chest Wall in a 5-Year-Old Male Patient: A Rare and Atypical Localization-A Case Report and Comprehensive Review of the Literature. AB - Lymphangioma is a benign congenital malformation. The extremely rare and atypical localization of a lymphangioma in the chest wall was the real motive for the present case study. A 5-year-old boy was admitted to the Emergency Department of the 1st Department of Pediatric Surgery, Aristotle University of Thessaloniki, due to the presence of a mildly painful swelling in the left lateral chest wall, which was first noticed three months ago, after a blunt injury during sport. Physical examination revealed the presence of a palpable, spherical, painful, nut sized subcutaneous lesion in the left lateral chest wall, respectively, with the anterior axillary line, at the height of the 6th to 7th intercostal space. Presence of ecchymosis on the overlying skin was also noticed. During palpation, we did not notice fluctuation, while transillumination was not feasible. Performance of ultrasonography, including Doppler color flow imaging, followed, depicting a subcutaneous cystic lesion, 2.1*3.2 cm in dimensions, without extension to the thoracic cavity. Scheduled surgical excision of the lesion was decided. Histopathological examination documented the diagnosis of cystic lymphangioma. Patient is still followed up on a 6-month basis. He remains asymptomatic, after 2 years, without indication of relapse. PMID- 29201482 TI - Deletion Involving the 7q31-32 Band at the CADPS2 Gene Locus in a Patient with Autism Spectrum Disorder and Recurrent Psychotic Syndrome Triggered by Stress. AB - Autism spectrum disorder (ASD) is a neurodevelopmental disorder marked by impairments in social functioning, language, communication, and behavior. Recent genome-wide association studies show some microdeletions on the 7q31-32 region, including the CADPS2 locus in autistic patients. This paper reports the case of a patient with ASD and recurrent psychotic syndrome, in which a deletion on the 7q31-32 band at the CADPS2 gene locus was evidenced, as well as a brief review of the literature on the CADPS2 gene and its association with ASD. PMID- 29201483 TI - Purulent Appearing Material in an Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration of Mediastinal Lymph Node: A Diagnostic Challenge. AB - Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) has increasingly been performed for the diagnosis and staging of thoracic malignancies. Findings of a necrotic lymph node raise concern for infectious process and malignancy. A hypoechoic area on ultrasound/EBUS within a lymph node without blood flow is suggestive of pathologies like infections or malignancy. Inspection of the fluid could suggest a diagnosis; clear aspirates usually suggest bronchogenic or mediastinal cysts and purulent material suggests abscesses or necrotic lymph nodes. Growing tumor cells require a blood supply; if the vascular stroma is insufficient due to rapidly growing malignant tumors this could lead to large central areas of ischemic necrosis. Necrotic aspiration of lymph nodes is not always of infectious etiology. Aspiration of fluid in EBUS TBNA is a rare occurrence, and malignancy should be considered when purulent fluid material is obtained. We present an elderly woman who underwent bronchoscopy with EBUS-TBNA for evaluation of upper lung nodule and mediastinal lymphadenopathy. Pus-like material was obtained on needle aspiration and endobronchial biopsy and mediastinal core biopsy revealed squamous cell carcinoma. PMID- 29201484 TI - Intracranial Myeloid Sarcoma Metastasis Mimicking Acute Subdural Hematoma. AB - Myeloid sarcoma, a rare consequence of myeloproliferative disorders, is rarely seen in the central nervous system, most commonly in the pediatric population. Although there are a handful of case reports detailing initial presentation of CNS myeloid sarcoma in the adult population, we have been unable to find any reports of CNS myeloid sarcoma presenting as a large mass lesion in a herniating patient. Here, we present the case of a patient transferred to our facility for a very large subdural hematoma. Based on imaging characteristics, it was felt to be a spontaneous hematoma secondary to coagulopathy. No coagulopathy was found. Interestingly, he did have a history of acute myeloid leukemia (AML) diagnosed 2 months previously, and intraoperatively he was found to have a confluent white mass invading both the subdural and subarachnoid spaces. There was minimal associated hemorrhage and final pathology showed myeloid sarcoma. This is the first report we are aware of in which CNS myeloid sarcoma presented as a subdural metastasis and also the first report in which we are aware of this etiology causing a herniation syndrome secondary to mass effect. PMID- 29201485 TI - Retroperitoneal Ectopic Pregnancy: Diagnosis and Therapeutic Challenges. AB - Background: Retroperitoneal ectopic pregnancy is extremely rare. This unusual location represents a great challenge for clinicians due to the difficulties of diagnosis and high risk of life-threatening complications. Case Report: We report the case of a spontaneous early pregnancy of undetermined location in a patient with a history of previous laparoscopic surgery. Diagnosis steps using clinical examination, ultrasound, and magnetic resonance imaging led to the localization of the pregnancy, in the left side of the para-aortic region, in the retroperitoneal space. Conclusion: Retroperitoneal ectopic pregnancy is an uncommon entity with rather complex pathogenesis. Clinicians should carefully interpret clinical signs, biological findings, and imaging features and be aware of unusual locations such as the retroperitoneum for ectopic pregnancies. Early diagnosis and appropriate management strategy are conditio sine qua non for successful treatment outcomes. PMID- 29201486 TI - Gallstone Pancreatitis: A Common but Often Overlooked Cause of Abdominal Pain in Post-Liver-Transplant Patients. AB - Introduction: In general population, gallstone pancreatitis is the most common cause of pancreatitis. However, there are very few literatures that address this topic in post-liver-transplant patients. Clinical Case: A 69-year-old female who had a liver transplant in 2015 due to hepatocellular carcinoma and nonalcoholic steatohepatitis (NASH) cirrhosis. She had a recent episode of acute cellular rejection that was treated with high dose methylprednisolone 1 week prior to admission. She presented with severe epigastric abdominal pain associated with nausea and vomiting. Her laboratory studies showed significantly elevated serum lipase, AST, and ALT from her baseline. She underwent urgent Endoscopic Ultrasound (EUS) with Endoscopic Retrograde Cholangiopancreatography (ERCP) that showed common bile duct stone that was extracted. Discussion: Biliary sludge and stones accounted for 22% of late onset acute pancreatitis after liver transplant. Corticosteroids have been identified as one of the potential causes of drug induced pancreatitis. However, she is more likely to have gall stone pancreatitis since she also had dilated common bile duct and intrahepatic duct. In addition, there was CBD stone noted on ERCP. Conclusion: Acute gallstone associated pancreatitis after liver transplant is not uncommon. Patients generally have good outcomes. Further prospective studies are warranted. PMID- 29201487 TI - Primary Malignancy in a Supernumerary Testicle Presenting as a Large Pelvic Mass. AB - Supernumerary testis, also known as polyorchidism, is a condition characterized by the presence of more than two testes. Another condition of the testes is seminoma, a common cause of testicular germ cell tumor. A 35-year-old male was transferred to our hospital with a diagnosis of abdominal mass causing abdominal pain. On physical exam, he had a palpable undescended left testicle in the left inguinal canal, which was determined to be seminoma. The mass was surgically removed, and the patient underwent chemotherapy. The report discusses his workup, treatment, and outcome. This case illustrates an unusual presentation of supernumerary testis with the extra testis harboring a seminoma. When presented with a case of testicular cancer with no tumor noted in the palpable testes, malignancy in an extranumerary testicle should be considered in the differential. PMID- 29201488 TI - Left Brachiocephalic Vein Stenosis due to the Insertion of a Temporal Right Subclavian Hemodialysis Catheter. AB - Central vein stenosis/occlusion is a common well-described sequel to the placement of hemodialysis catheters in the central venous system. The precise mechanisms by which central vein stenosis occurs are not well known. Current concepts in central vein stenosis pathophysiology focus on the response to vessel injury model, emphasizing the process of trauma. A case of left brachiocephalic vein stenosis due to the insertion and function of a temporary right subclavian hemodialysis catheter is presented. The purpose of the manuscript is to emphasize that, with the introduction of a temporary subclavian hemodialysis catheter via the right subclavian vein apart from causing concurrent stenosis/infarction of the right subclavian and right brachiocephalic vein, it is also possible to cause stenosis of the left brachiocephalic vein (close to its contribution to the superior vena cava) although the catheter tip is placed in the correct anatomical position in the superior vena cava. PMID- 29201489 TI - Factors Affecting Health Related Quality of Life in Hospitalized Patients with Heart Failure. AB - This study identified factors affecting health related quality of life (HRQOL) in 300 hospitalized patients with heart failure (HF). Data were collected by the completion of a questionnaire which included patients' characteristics and the Minnesota Living with Heart Failure Questionnaire (MLHFQ). Analysis of data showed that the median of the total score of MLHFQ was 46 and the median of the physical and mental state was 22 and 6, respectively. Also, participants who were householders or had "other" professions had lower score of 17 points and therefore better quality of life compared to patients who were civil/private employees (p < 0.001 and p < 0.001, resp.). Patients not receiving anxiolytics and antidepressants had lower quality of life scores of 6 and 15.5 points, respectively, compared to patients who received (p = 0.003 and p < 0.001, resp.). Patients with no prior hospitalization had lower score of 7 points compared to those with prior hospitalization (p = 0.002), whereas patients not retired due to the disease had higher score of 7 points (p = 0.034). Similar results were observed for the physical and mental state. Improvement of HF patients' quality of life should come to the forefront of clinical practice. PMID- 29201490 TI - 18F-FDG Pet-Guided External Beam Radiotherapy in Iodine-Refractory Differentiated Thyroid Cancer: A Pilot Study. AB - Introduction: To evaluate the clinical response rate after a postoperative 18F FDG PET/CT guided external beam radiotherapy (EBRT) in Iodine-refractory differentiated thyroid cancer. Material and Methods: Patients with thyroid cancer locally recurrent after total thyroidectomy plus metabolic radiotherapy and treated with radical EBRT were included. Inclusion criteria were detectable thyroglobulin (Tg), negative postmetabolic radiotherapy whole body scintigraphy, and no surgical indications. The pretreatment 18F-FDG PET/CT resulted positive in all cases (loggia, lymph nodes, and lung). EBRT was delivered with IMRT-SIB technique. A 18F-FDG PET/CT revaluation and Tg dosage were performed 3 months after the treatment. Results: Sixteen consecutive patients were included in this analysis (median follow-up: 6-44 months). Post-EBRT 18F-FDG PET/CT showed CR in 43.7%, PR in 31.2%, SD in 25.0% patients, and PD due to lung metastases in 12.5%. Overall response rate was 75.0% (CI 95%: 41.4-93.3%). Tg levels decreased in 75.0% with a median Delta of 68.0%. Two-year PFS and OS rates were 80.0% and 93.0%, respectively. Acute G3 toxicity occurred in 18.7% and late G2 toxicity in 12.5%. Conclusions: 18F-FDG PET/CT was useful in target definition for radiotherapy planning, identifying positive areas not detected with 131I scintigraphy. IMRT based EBRT was feasible and our results encourage future prospective studies. This clinical trial is registered with ID: NCT03191643. PMID- 29201491 TI - Simultaneous Determination of Six Active Components in Oviductus Ranae via Quantitative Analysis of Multicomponents by Single Marker. AB - A method, quantitative analysis of multicomponents by single marker (QAMS), was established in this article to investigate the quality control of a traditional Chinese medicine, Oviductus Ranae. 7-Hydroxycholesterol, 7-ketocholesterol, 4 cholesten-3-one, stigmasterol, 7-dehydrocholesterol, and cholesterol were selected as the indexes of quality evaluation of Oviductus Rana. The determination was achieved on an Agilent HC-C18 column (4.6 mm * 250 mm, 5 MUm) using methanol with water (87 : 13 v/v) as mobile phase at the flow rate of 2.0 mL/min. Cholesterol was used as an internal standard to determine the relative correction factors between cholesterol and other steroidal constituents in Oviductus Ranae. The contents of those steroidal constituents were calculated at the same time. To evaluate the QAMS method, an external standard method was used to determine the contents of six steroidal constituents. No significant difference was observed when comparing the quantitative results of QAMS with the results of external standard method. The proposed QAMS method was proved to be accurate and feasible based on methodological experiments. QAMS provided a simple, efficient, economical, and accurate way to control the quality of Oviductus Ranae. PMID- 29201492 TI - Agropastoral Mobility and Rangelands Multiple Uses in the Miombo Frontier Ecozone of Tabora Region, Western Tanzania. AB - This study aimed to examine the argument of environmental resource-use conflict as the primary cause of crop farmers and agropastoralists conflicts in Tabora Region, Tanzania. It explored the multiple interdependent phenomena that affect livelihoods relationships between crop farmers and agropastoralists and the nature of their continuing conflicts over the ecozonal resources. A primary dataset of the two groups' conflicts was used. An ex post facto and multistage sampling design was adopted. A total of 252 respondents were interviewed in three separate villages drawn from agroecological zones fringing the miombo woodland where such tensions are high. Data were analyzed using logistic regression. Results indicate that education (beta = -1.215, .297; p = .050), household size (beta = .958, 2.607; p = .017), herd size (beta = 4.276, 7.197; p = 0.001), farm size (beta = -1.734, .048; p = .176), the police (beta = -.912, 4.582; p = .043), and village leaders (beta = -.122, .885; p = .012) were the most potent predictors of causes of conflicts. The study found no support for demographic variables, like age, sex, marital status, income, duration of residence, and distance to resource base. The study recommends population growth control and strengthening of local institutions and recommends local communities to sustain management of natural resources base in the area. PMID- 29201493 TI - Analysis of Microbial Diversity in Soil under Ginger Cultivation. AB - Ginger is a perennial monocotyledonous herb, which can be used as both a vegetable and a medicinal plant. However, it is susceptible to various plant pathogens. Microbial diversity in soil is related closely to the health and productivity of plant crops including ginger. In the current study, we compared microbial diversity from soil samples under ginger cultivation (disease incidence of >50% [relatively unhealthy sample] versus disease incidence of <10% [relatively healthy sample]). The bacterial and fungal taxa were analyzed by Illumina-based sequencing, with 16S and ITS identification, respectively. Both bacterial and fungal OTUs were significantly more in the healthy soil sample than the unhealthy sample. Moreover, the dominant bacterial and fungal genera were detected to be different in each sample. Rhodanobacter and Kaistobacter were the dominant bacterial genera in the healthy sample, while Rhodoplanes and Bradyrhizobium were the dominant genera in the unhealthy sample. For fungal analysis, Cladosporium, Cryptococcus, and Tetracladium were the dominant genera in the healthy sample, while Lecanicillium, Pochonia, and Rhodotorula were the dominant genera in the unhealthy sample. Collectively, the basic information of microbial diversity in ginger soil is helpful for elucidating the ginger-microbe interactions and potentially selecting suitable plant growth-promoting rhizobacteria and biocontrol agents for ginger production. PMID- 29201494 TI - Rural Panel Surveys in Developing Countries: A Selective Review. AB - Rural panel surveys are the most appropriate means to provide data for studying the unprecedented rapid migration and urbanization currently taking place in China and other developing countries. To maximize heterogeneity in urbanization and development over the last three decades, we selected rural panel surveys from five Asian countries, including India, Indonesia, Nepal, Thailand, and China. This paper provides a selective review, focusing on their panel survey methodology, which is organized based on our proposed four basics of panel surveys - representativeness, retrospect-prospect, multilevel tracking, and temporality. We analyzed the strengths and weaknesses of the selected panel surveys to provide directions for designing future rural panel studies in China and elsewhere in the developing world. PMID- 29201495 TI - Determination of velocity correction factors for real-time air velocity monitoring in underground mines. AB - When there are installations of air velocity sensors in the mining industry for real-time airflow monitoring, a problem exists with how the monitored air velocity at a fixed location corresponds to the average air velocity, which is used to determine the volume flow rate of air in an entry with the cross sectional area. Correction factors have been practically employed to convert a measured centerline air velocity to the average air velocity. However, studies on the recommended correction factors of the sensor-measured air velocity to the average air velocity at cross sections are still lacking. A comprehensive airflow measurement was made at the Safety Research Coal Mine, Bruceton, PA, using three measuring methods including single-point reading, moving traverse, and fixed point traverse. The air velocity distribution at each measuring station was analyzed using an air velocity contour map generated with Surfer(r). The correction factors at each measuring station for both the centerline and the sensor location were calculated and are discussed. PMID- 29201496 TI - Platelets prime hematopoietic and vascular niche to drive angiocrine-mediated liver regeneration. AB - In mammals, the livers regenerate after chemical injury or resection of hepatic lobe by hepatectomy. How liver regeneration is initiated after mass loss remains to be defined. Here, we report that following liver injury, activated platelets deploy SDF-1 and VEGF-A to stimulate CXCR7+ liver sinusoidal endothelial cell (LSEC) and VEGFR1+ myeloid cell, orchestrating hepatic regeneration. After carbon tetrachloride (CCl4) injection or hepatectomy, platelets and CD11b+VEGFR1+ myeloid cells were recruited LSEC, and liver regeneration in both models was impaired in thrombopoietin-deficient (Thpo-/-) mice lacking circulating platelets. This impeded regeneration phenotype was recapitulated in mice with either conditional ablation of Cxcr7 in LSEC (Cxcr7iDelta/iDelta) or Vegfr1 in myeloid cell (Vegfr1lysM/lysM). Both Vegfr1lysM/lysM and Cxcr7iDelta/iDelta mice exhibited suppressed expression of hepatocyte growth factor and Wnt2, two crucial trophogenic angiocrine factors instigating hepatocyte propagation. Of note, administration of recombinant thrombopoietin restored the prohibited liver regeneration in the tested genetic models. As such, our data suggest that platelets and myeloid cells jointly activate the vascular niche to produce pro regenerative endothelial paracrine/angiocrine factors. Modulating this "hematopoietic-vascular niche" might help to develop regenerative therapy strategy for hepatic disorders. PMID- 29201497 TI - Fibromodulin reduces scar formation in adult cutaneous wounds by eliciting a fetal-like phenotype. AB - Blocking transforming growth factor (TGF)beta1 signal transduction has been a central strategy for scar reduction; however, this approach appears to be minimally effective. Here, we show that fibromodulin (FMOD), a 59-kD small leucine-rich proteoglycan critical for normal collagen fibrillogenesis, significantly reduces scar formation while simultaneously increasing scar strength in both adult rodent models and porcine wounds, which simulate human cutaneous scar repair. Mechanistically, FMOD uncouples pro-migration/contraction cellular signals from pro-fibrotic signaling by selectively enhancing SMAD3 mediated signal transduction, while reducing AP-1-mediated TGFbeta1 auto induction and fibrotic extracellular matrix accumulation. Consequently, FMOD accelerates TGFbeta1-responsive adult fibroblast migration, myofibroblast conversion, and function. Furthermore, our findings strongly indicate that, by delicately orchestrating TGFbeta1 activities rather than indiscriminately blocking TGFbeta1, FMOD elicits fetal-like cellular and molecular phenotypes in adult dermal fibroblasts in vitro and adult cutaneous wounds in vivo, which is a unique response of living system undescribed previously. Taken together, this study illuminates the signal modulating activities of FMOD beyond its structural support functions, and highlights the potential for FMOD-based therapies to be used in cutaneous wound repair. PMID- 29201498 TI - Sperm function tests in clinical practice. AB - Conventional semen analysis solely is not completely adequate to predict pregnancy outcomes. Therefore, advanced sperm function tests have been developed and introduced to clinical practice. These tests use different methods and techniques to evaluate different stages of fertilization steps. In this review, we reported some commonly used sperm function tests: sperm penetration assay, sperm-zona pellucida binding test (hemizona assay), acrosomal reaction test, hyaluronan binding test, hypo-osmotic swelling test, magnetic-activated cell sorting and zeta sperm selection. We discussed the literature concerning these tests, the utilization techniques and also purpose and mechanism of each test. We emphasized the importance of sperm function tests in predicting in vitro fertilization and pregnancy outcomes and in the management of infertile couples and also the limitations of these tests. Along with improvements in molecular biology techniques, we believe that more applicative and beneficial tests will be developed in the near future. PMID- 29201499 TI - Biparametric MRI of the prostate. AB - Biparametric Magnetic Resonance Imaging (bpMRI) of the prostate combining both morphologic T2-weighted imaging (T2WI) and diffusion-weighted imaging (DWI) is emerging as an alternative to multiparametric MRI (mpMRI) to detect, to localize and to guide prostatic targeted biopsy in patients with suspicious prostate cancer (PCa). BpMRI overcomes some limitations of mpMRI such as the costs, the time required to perform the study, the use of gadolinium-based contrast agents and the lack of a guidance for management of score 3 lesions equivocal for significant PCa. In our experience the optimal and similar clinical results of the bpMRI in comparison to mpMRI are essentially related to the DWI that we consider the dominant sequence for detection suspicious PCa both in transition and in peripheral zone. In clinical practice, the adoption of bpMRI standardized scoring system, indicating the likelihood to diagnose a clinically significant PCa and establishing the management of each suspicious category (from 1 to 4), could represent the rationale to simplify and to improve the current interpretation of mpMRI based on Prostate Imaging and Reporting Archiving Data System version 2 (PI-RADS v2). In this review article we report and describe the current knowledge about bpMRI in the detection of suspicious PCa and a simplified PI-RADS based on bpMRI for management of each suspicious PCa categories to facilitate the communication between radiologists and urologists. PMID- 29201500 TI - Metabesity and urological cancers. AB - Metabolic syndrome is one of today's most important health problems. Due to increased prevalence of metabolic syndrome in society, studies done on this topic have increased in number. Although metabolic syndrome was previously considered to be important only for cardiovascular health, it has been learned that with new data, human health is compromised more thoroughly by metabolic syndrome and is also a danger to malignancy. As a result, a new definition in the form of metabesity has been introduced. In this review, available information on metabesity and urological cancers is presented. PMID- 29201502 TI - Robotic surgery and malpractice. AB - Robotic surgery has undergone exponential growth since the last two decades. Employment of new technologies in surgery creates many ethical challenges concerning the advantages and disadvantages different from conventional surgery, ensuring safety of the new technology, giving permission to surgeons for using new technology, the way of informing patients before undergoing a new technology or technique, and the responsibilities of surgeons, firms and hospitals to the patients etc. In this review, robotic surgery was discussed from malpractice perspective. PMID- 29201501 TI - Alternative therapies in patients with non-muscle invasive bladder cancer. AB - Bladder cancer (BC) is one of the leading causes of cancer-related deaths worldwide. Despite, the majority of the cases were diagnosed as non-muscle invasive bladder cancer (NMIBC) with favorable prognosis, it has tendency to recur or progress to a higher grade or stage. The first line treatment of patients with NMIBC is transurethral resection with adjuvant therapies primarily intravesical Bacillus Calmette-Guerin (BCG) immunotherapy. However, in a portion of patients whose BCG treatment failed, alternative treatments may be required. Furthermore, intravesical BCG may be contraindicated in or untolerated by a group of patients. For these patients, some treatment options are readily available and a variety of them are currently under clinical investigation. In this review, these alternative therapies have been summarized. PMID- 29201503 TI - Animal ethics in laparoscopic urology training. AB - Laparoscopic urologic operating techniques are in widespread use throughout the world and because of various advantages, over the years they have virtually become a gold standard surgical intervention method. As laparoscopy is a painstaking technique to learn, the training consists of different stages. Within these stages of training, wet laboratory training where animals are used, is the most sensitive stage. The widespread use of experimental animals in medical research necessitated standardization and the establishment of certain regulations. This standardization and organization of laws and regulations started to be discussed in Europe approximately a century ago and have been established on a certain foundation. In this rewiev article, we discuss some important points and ethic rules about laparoscopic urologic training practiced on live animals. PMID- 29201504 TI - Effect of sildenafil citrate in testosterone induced benign prostate hyperplasia rat model. AB - Objective: Efficacy of treatments for benign prostate hyperplasia (BPH) is limited because the disease has complex etiopathogenesis. Recent studies have demonstrated the presence of phosphodiesterase-5 (PDE-5) receptors in prostate tissue. We investigated efficacy of sildenafil citrate in testosteron - induced BPH in rats. Material and methods: The rats were divided into three groups. Each groups had 7 rats. Group 1 was control group. Testosteron propionate 3 mg/kg/day was injected subcutaneously for two weeks in Group 2. The same procedure was done for Group 3 and sildenafil citrate was added to water at daily doses of 2 mg/kg for two weeks. The rats were euthanized with intraperitoneal pentobarbital. The body weights were measured and the prostates were removed. Results: The mean weights of rats were 288+/-31.93, 345+/-23.23 and 294+/-32.86 g in Groups 1, 2 and 3, respectively. The mean prostate weights of rats were 0.74+/-0.18, 1.3+/ 0.13 and 0.72+/-0.24 g in Groups 1, 2, and 3, respectively. Group 2 had statistically significantly higher prostate weights than the other groups (p<0.01). Relative prostate weight is calculated with ratio of prostate weight to body weight. BPH group showed an increase in relative prostate weight compared with other groups with significant difference (p=0.036 and p=0.040). There was statistical difference for acinar area between Group 2 and the others, no significant difference of number of acini, interstitial space and epithelial thickness. Group 2 has more papillary projections per acini than the other groups. Conclusion: Favourable effect of sildenafil citrate on dimensions of prostate but not all on histological parameters was observed. We expect that PDE 5 inhibitors might be a treatment option for BPH patients if the studies support our findings in the future. PMID- 29201505 TI - Is there a relation between priapism occurring after penile doppler ultrasonography and international erectile function index score and erection hardness score levels? AB - Objective: The relation between Erection Hardness Score (EHS) and The International Erectile Function Index (IIEF) Questionnaire- Erectile Function Domain Score (IIEF-EF score) used in erectile dysfunction (ED) evaluation and the prevalence of priapism after penile Doppler ultrasonography (PDU) was examined in this study. Material and methods: A total of 62 patients who had PDU were included in the study. Patients were divided into two groups; there were 33 patients in IIEF-EF score <=10, EHS <2 group (Group 1) and 29 patients in IIEF-EF score >10, EHS >=2 group (Group 2). The two groups separated according to their scores were compared for age, body mass index (BMI), prevalence of priapism, vascular comorbidities and duration of erection. Results: When compared to Group 2, median age, rate of vascular comorbidities rate and BMI were detected to be higher in Group 1 with IIEF-EF score <=10 and EHS <2. But contrary to age and rate of vascular comorbidities (p=0.035, p=0.049 respectively), higher BMI was detected to be statistically insignificant (p=0.093). Duration of erection, IIEF EF score and number of cases with priapism were significantly higher in Group 2 with IIEF-EF score >10 and EHS >=2 (p<0.001, p=0.027, p=0.049 respectively). Conclusion: High IIEF-EF and EHS scores, younger ages and lower rates of vascular comorbidities in patients from whom PDU was demanded increase the prevalence of priapism. PMID- 29201506 TI - Protective role of resveratrol on testicular germ cells in mice with testicular toxicity. AB - Objective: The aim of the present study was to investigate the possible beneficial effects of resveratrol in mice subjected to vinyl cyclohexene dieposide (VCD) -induced testicular toxicity. Material and methods: A total of thirty- six Swiss albino male mice aged 28-days were used in the present study. The study was composed of two stages where mice which received or did not receive VCD (320 mg/kg/day) were administered resveratrol. The animals were assigned into control and resveratrol-treated groups in the first stage and into groups of VCD- and VCD+resveratrol-treated groups in the second stage. At the end of the experiments, relative testicular weight (TW/BW) and dry/wet weight of testis (TDW/TWW) were calculated. Histological analysis by hematoxylin and eosin (H&E) staining and immunohistochemical staining by BAX and Bcl-2 were performed. Serum testosterone, LH and FSH levels were measured by a commercially available ELISA kit. Results: Resveratrol caused a dose-dependent increase in TW/BW and decrease in TDW/TWW (p<0.05). Resveratrol at a dose of 20 mg/kg resulted in an improvement in testosterone, LH and FSH levels in mice with VCD-induced testicular toxicity (p<0.001). Resveratrol also improved apoptotic index and epithelial cell height of testicular seminipherous tubuli significantly after VCD exposure (p<0.001). Conclusion: Results of the present study suggest that resveratrol can be used as a protective and/or therapeutic agent particularly for cases with male infertility caused by testicular toxicity. PMID- 29201507 TI - Computed tomography based evaluation of prostatic fiducial marker migration between the periods of insertion and simulation. AB - Objective: The aim of this study was to determine whether significant fiducial marker migration occurs between the periods of prostatic marker insertion and computed tomography (CT) performed for radiotherapy planning and if a waiting period is necessary. Material and methods: Thirty-nine patients with prostate adenocarcinoma underwent fiducial marker insertion before radiotherapy between June 2013 and December 2015. Three markers were inserted by one radiologist under the guidance of transrectal ultrasonography. All patients underwent CT three hours after insertion to confirm the number and position of fiducial markers. Radiotherapy planning CT was performed on an average of 11 days (range 7-20) after insertion. CT images were imported into treatment planning system to analyze the position of fiducial markers. Point- based marker match algorithm was used to find the distance of marker migration. The mean and maximum distances between each fiducial markers were calculated. Results: The mean distance of migration was 1.029+/-0.42 mm (range 0.23-1.93 mm) and the maximum distance was 1.361+/-0.59 mm (range 0.25-2.74 mm). The distance of marker migration was not statistically significant for the groups organized according to the timing of marker insertion, prostate volume, patient age, prostate specific antigen level and Gleason score. Conclusion: According to our results significant fiducial marker migration did not occur during the interval between insertion and treatment planning CT. It should be taken into consideration that performing simulation on the same day as marker insertion might prevent increased cost and delayed radiation therapy by saving the patients from extra visits to the clinic. PMID- 29201508 TI - How localized is pathologically localized prostate cancer? The use of secondary circulating prostate cells as a marker of minimal residual disease and their association with patient outcome. AB - Objective: To determine the prognostic value of secondary circulating prostate cells (CPCs) in men with pT2 prostate cancer treated with radical prostatectomy. Material and methods: Prospective observational study was performed in men with pathologically confined prostate cancer who had been treated with radical prostatectomy. CPCs were obtained by differential gel centrifugation from 8 mL venous blood and identified by standard immunocytochemistry using anti-Prostate Specific Antigen (PSA) monoclonal antibody. A positive test was defined as >=1 PSA staining cell/blood sample. Biochemical failure was defined as a serum PSA >0.2 ng/mL. Age, PSA at diagnosis, pT2a versus pT2b/c, Gleason score and the presence/absence of CPCs were compared with patient outcomes using Kaplan-Meier curves and Cox's hazard model. Results: Hundred and ninety-one men participated in the study, 107 (44.0%) had pT2b/c disease, 25 (13.1%) had a Gleason score >=7, and 39 (20.4%) were positive for CPCs. Biochemical failure occurred in 39 (20.4%) patients which was associated with a Gleason score >= 7 and CPCs (+). Survival rates at 3, 5 and 10 years for men with CPC (-) and CPC (+) were 100%, 100% and 89.6%, and 74.4%, 64.1% and 18.5% respectively (HR: 18.70). The median time to failure was 5.1 years in CPC (+) men versus 8.1 years in CPC (-) patients. Conclusion: Secondary CPC is a marker for minimal residual disease and it is associated with a worse prognosis. The lead time to failure over serum PSA is approximately 5 years. However they do not define whether the failure is local or systemic. PMID- 29201509 TI - Adrenocortical carcinoma: Single center experience. AB - Objective: Adrenocortical carcinoma is an aggressive endocrine malignancy with an annual incidence of 0.5-2 cases per million. The most important factors that determine prognosis are tumor stage at the time of diagnosis and the success of surgery. However, advanced age, large tumor size, hormone secretion, high Ki-67 index (>10%), tumor necrosis and high mitotic activity are other factors associated with poor prognosis. In the present study, we aimed to evaluate the contribution of the patient and treatment- related factors to the prognosis in adrenocortical carcinoma. Material and methods: We included 15 adrenocortical carcinoma patients who were followed in our center between 2005 and 2015. The effects of age, gender, tumor size, type of operation, postoperative resection status and adjuvant treatment on disease-free survival and overall survival were analyzed. Results: Disease-free survival was 23.32+/-3.69 months and overall survival was 36.60+/-10.78 months. Gender, tumor size, tumor stage, type of operation, hormonal activity, presence of necrosis, recurrence and development of metastasis were not found to be associated with disease-free survival and overall survival (p>0.05). Postoperatively applied adjuvant treatments including mitotane, chemotherapy and radiotherapy did not significantly affect disease-free survival in our study, but statistically significant increase in overall survival was observed in patients getting adjuvant treatments (p=0.006). Conclusion: Adrenocortical carcinoma has poor prognosis and short overall survival, and in its clinical course, recurrence and development of metastasis can be commonly observed even after complete resection of the tumor. Therefore, the patients should be evaluated carefully while determining the surgical procedure during the preoperative period, and the operation and post-operative follow-up should be performed in experienced centers. However, due to the positive effects of adjuvant treatments on survival, all patients should be evaluated postoperatively for the necessity of adjuvant treatments, especially mitotane. PMID- 29201510 TI - The efficacy and utilisation of preoperative multiparametric magnetic resonance imaging in robot-assisted radical prostatectomy: does it change the surgical dissection plan? AB - Objective: We investigated the effect of the use of multiparametric prostate magnetic resonance imaging (mp-MRI) on the dissection plan of the neurovascular bundle and the oncological results of our patients who underwent robot-assisted radical prostatectomy. Material and methods: We prospectively evaluated 60 consecutive patients, including 30 patients who had (Group 1), and 30 patients who had not (Group 2) mp-MRI before robot-assisted radical prostatectomy. Based on the findings of mp-MRI, the dissection plan was changed as intrafascial, interfascial, and extrafascial in the mp-MRI group. Two groups were compared in terms of age, prostate-specific antigen (PSA), Gleason sum scores and surgical margin positivity. Results: There was no statistically significant difference between the two groups in terms of age, PSA, biopsy Gleason score, final pathological Gleason score and surgical margin positivity. mp-MRI changed the initial surgical plan in 18 of 30 patients (60%) in Group 1. In seventeen of these patients (56%) surgical plan was changed from non-nerve sparing to interfascial nerve sparing plan. In one patient dissection plan was changed to non-nerve sparing technique which had extraprostatic extension on final pathology. Surgical margin positivity was similar in Groups 1, and 2 (16% and 13%, respectively) although, Group 1 had higher number of high- risk patients. mp MRI confirmed the primary tumour localisation in the final pathology in 27 of of 30 patients (90%). Conclusion: Preoperative mp-MRI effected the decision to perform a nerve-sparing technique in 56% of the patients in our study; moreover, changing the dissection plan from non-nerve-sparing technique to a nerve sparing technique did not increase the rate of surgical margin positivity. PMID- 29201511 TI - Robot-assisted radical perineal prostatectomy: first experience of 15 cases. AB - Objective: Minimally invasive techniques are increasingly evolving and preferred to reduce surgical induced morbidity and mortality and minimize the challenges of surgical techniques. Especially radical perineal prostatectomy (RPP) includes some challenges like working in a deep and narrow space and challenging ergonomics for the surgeons. Because of these issues open RPP is still performed in experienced centers. In order to reduce these difficulties, robot- assisted radical perineal prostatectomy (r-RPP) is developed. In this study, we report our first clinical results for r-RPP. Material and methods: Between November 2016 and February 2017, 15 patients underwent r-RPP in our center. Multiparametric magnetic resonance imaging was performed for all patients to exclude locally advanced disease. The patients with chronic obstructive pulmonary disease and locally advanced prostate cancer were not chosen for r-RPP method. The patient was positioned in the exaggerated lithotomy with 15 degrees of Trendelenburg position. After incision and dissection of subcutaneous tissue, dissection was advanced to the margin of posterior recto-urethral muscle fibers. Then a GelPOINT(r) device was placed and robotic system was docked. Results: The mean age of the patients was 60.2+/-7.8 years. The mean body mass index of the patients was 28.8+/-1.9 kg/m2. Four patients had previous major abdominal surgeries. Preoperative mean prostate specific antigen value was 7.3+/-2.4 ng/mL. The mean prostate volume was 40.8+/-12.4 cc. Mean perineal dissection time was 60+/-10.1 minutes. Mean console time and total operation time was 95+/-11.3 and 167+/-37.4 minutes, respectively. The mean time of postoperative catheterization was 8.3+/-1.7 days. Early continence rate was 40% after urethral catheter removal and at 3rd month of the surgery mean continence rate was 94% for all patients. Conclusion: We demonstrate that r-RPP is a feasible and efficient method. But still this method needs for further studies in this area. PMID- 29201512 TI - Safety and efficacy of silodosin and tadalafil in ease of negotiation of large ureteroscope in the management of ureteral stone: A prosective randomized trial. AB - Objective: To evaluate the safety and efficacy of silodosin and tadalafil in ease of negotiation of large size ureteroscope (8/9.8 Fr) in the management of ureteral stone. Material and methods: Between June 2015 and May 2016, 86 patients presented with ureteral stone of size 6-15 mm were on consent randomly assigned to 1 of 3 outpatient treatment arms: silodosin (Group A), tadalafil (Group B), and placebo (Group C). After two weeks of therapy 67 patients underwent ureteroscopy, and ureteral orifice configuration, ureteroscopic negotiation, ureteral dilatation, operating time, procedural complication and drug related side effects were noted in each group. Results: Ureteral negotiation was significantly better in Groups A (73.9%) and B (69.6%) as compared to Group C (38.1%) (p<0.01). Statistically significant difference was noted in the requirement for dilatation in Group C (71.4%) as compared to Groups A (26.1%) and B (39.1%) (p<0.01). Ureteral orifice was found to be more dilated in Groups A (69.6%) and B (60.9%) as compared to Group C (28.6%). Mean operating time was statistically lower in Groups A (35.2 min) and B (34.91 min) as compared to Group C (41.14 min) (p<0.01). Conclusion: Both silodosin and tadalafil not only relax ureteral smooth muscle but also help in forward propagation of large size ureteroscope (8/9.8 Fr) without any significant risk of adverse events. PMID- 29201513 TI - Comparison of the outcomes of complete supine percutaneous nephrolithotomy in patients with radiopaque and radiolucent kidney stones. AB - Objective: This study compared the stone opacity effect in patients who had radiopaque and radiolucent stones in percutaneous nephrolithotomy (PCNL) results. Material and methods: The medical records of 171 complete supine PCNL procedures were gathered. Patients were categorized into two groups: those with radiopaque (n=141) and those with radiolucent (n=30) stones. Kidney, ureter and bladder x ray was done a day after PCNL and Ultrasound imaging was done two weeks later to evaluate the stone free rate. A stone free result was defined as having less than 4 mm residual stone size. Outcome parameters were compared by univariate analysis and those which were significantly different between the two groups were assessed by multivariate binary logistic regression analysis. Results: There were no significant differences in age, sex, body mass index, hypertension, diabetes mellitus, pre-surgery hemoglobin, pre-surgery serum creatinine, stone and also surgery-related parameters between the two groups. Stone free rate, surgery time, complication-related parameters, hemoglobin drop, serum creatinine and glomerular filtration rate (GFR) changes were similar in both groups based on univariate analysis. The radiopaque group had higher post-surgery GFR (p=0.04) and longer hospital stay (p=0.009). However, opacity had no effect on these outcomes after multivariate analysis. Higher post-surgery GFR was seen in patient with higher GFR before surgery (p<0.0001). Also, higher hemoglobin before surgery was correlated with less hospital stay (p=0.001). Conclusion: The complete supine percutaneous nephrolithotomy outcomes are similar in patients with radiopaque and radiolucent stones. PMID- 29201514 TI - Does antegrade JJ stenting affect the total operative time during laparoscopic pyeloplasty? AB - Objective: We aimed to show the effect of retrograde JJ stenting and intraoperative antegrade JJ stenting techniques on operative time in patients who underwent laparoscopic pyeloplasty. Material and methods: A total of 34 patients were retrospectively investigated (15 male and 19 female) with ureteropelvic junction obstruction. Of the patients stentized under local anesthesia preoperatively, as a part of surgery, 15 were retrogradely stentized at the beginning of the procedure (Group 1), and 19 were antegradely stentized during the procedure (Group 2). A transperitoneal dismembered pyeloplasty technique was performed in all patients. The two groups were retrospectively compared in terms of complications, the mean total operative time, and the mean stenting times. Results: The mean ages of the patients were 31.5+/-15.5 and 33.2+/-15.5 years (p=0.09), and the mean body mass indexes were 25.8+/-5.6 and 26.2.3+/-8.4 kg/m2 in Group 1 and Group 2, respectively. The mean total operative times were 128.9+/ 38.9 min and 112.7+/-21.9 min (p=0.04); the mean stenting times were 12.6+/-5.4 min and 3.5+/-2.4 min (p=0.02); and the mean rates of catheterization-to-total surgery times were 0.1 and 0.03 (p=0.01) in Group 1 and 2, respectively. The mean hospital stays and the mean anastomosis times were similar between the two groups (p>0.05). Conclusion: Antegrade JJ stenting during laparoscopic pyeloplasty significantly decreased the total operative time. PMID- 29201515 TI - A novel method in decision making for the diagnosis of anterior urethral stricture: using methylene blue dye. AB - Objective: The use of methylene blue dye (MB) to highlight anatomical structures in urology has been well-established. Urethral stricture may extend about a centimeter beyond the abnormal area seen on urethrogram. Although the current literature suggests a tension-free and end- to- end anastomosis after excision of the strictured urethral segment with spongiofibrosis and surrounding corpus spongiosum in short bulbar strictures, some centers dealing with urethroplasty prefer anastomosis for short bulbar strictures while others prefer augmentation. With this study, use of MB for delineating stricture line and assessing spongiofibrosis in the diagnosis of urethral stricture was evaluated. Material and methods: Five cc MB including 10 mg/mL is diluted with 10 cc saline. In the first scenario, MB is gently injected into urethra via the meatus before the urethroplasty procedure. Meanwhile, the extent of urethral segment stained by MB is noted. In the second scenario (MB spongiosography) in short bulbar stricture, insulin needles are inserted in spongiosa of the stricture site distally and proximally. MB is gently injected with distal needle. The two remaining needles are then observed. Presence of MB efflux in proximal needle implies deficiency of significant spongiofibrosis, so buccal augmentation is performed. Absence of efflux of MB implies significant spongiofibrosis and anastomotik site excised. Results: Four hundred and ninety-two consecutive cases prospectively evaluated between 2010 and 2014. Precise staining of stricture was successfully observed in 464 (94%) patients. Grossly normal appearing urothelium remained pink. Histopathology confirmed that the stained urethra had a stricture. Of the 22 short bulbar idiopathic strictures, in 18 (82%) MB was seen across the stricture and urethral transection was avoided. Anastomosis was performed in 4 (18%) cases where no MB went across the primary excision. There were no known allergic complications. Conclusion: MB aids in delineating the urethral lumen and exact site of stricture that needs augmentation. MB Spongiography in short bulbar strictures could be used as a beneficial guide in relation to the type of urethral repair to be performed in terms of augmentation versus excision and anastomosis. PMID- 29201516 TI - Effectiveness of spinal anesthesia combined with obturator nerve blockade in preventing adductor muscle contraction during transurethral resection of bladder tumor. AB - Objective: To determine whether spinal anesthesia combined with obturator nerve blockade (SOB) is effective in preventing obturator nerve stimulation, jerking and bladder perforation during transurethral resection of bladder tumor (TURBT). Material and methods: In this clinical trial, 30 patients were randomly divided into two groups: spinal anesthesia (SA) and SOB. In SA group, 2.5 cc of 0.5% bupivacaine was injected intrathecally using a 25-gauge spinal needle and in SOB after spinal anesthesia, a classic obturator nerve blockade was performed by using nerve stimulation technique. Results: There was a statistically significant difference between jerking in both groups (p=0.006). During the TURBT, surgeon satisfaction was significantly higher in SOB group compared to SA group (p=0.006). There was no significant correlation between sex, patient age and location of bladder tumor between the groups (p>0.05). Conclusion: Obturator nerve blockade by using 15 cc lidocaine 1% is effective in preventing adductor muscle spasms during TURBT. PMID- 29201517 TI - Long-term outcome of laparoscopic vesicouterine fistula repair: Experience from a tertiary referral centre. AB - Objective: Vesicouterine fistula (VUF) is an uncommon cause of female genito urinary fistula. Most of these fistulas are due to lower segment uterine cesarean section (LSCS). Traditionally, open surgical repair has been the traditional treatment. However, laparoscopic repair of VUF is a minimally invasive technique and few case reports have been published with short term follow up. In the present study, we are presenting our long- term outcome of laparoscopic repair of VUF. Material and methods: A retrospective analysis of 8 patients with VUF was performed from 2010 to 2015. Approval of Institutional Review Committee was obtained. All had history of LSCS of whom 3 had history of prolonged obstructed labor. Radiological imaging included ultrasound of kidney, ureter and bladder for all patients and hysterosalphingography in 4 patients and contrast enhanced computed tomography scan in 4 patients. Results: Median age of the patient was 25.5 years (range, 22-32), and median follow up was 2.3 years (range, 1 -4). The most common presentation was cyclical menstrual bleeding through urine (menouria) in all, associated amenorrhea in 6 and vaginal leakage of urine in 2 cases. All patients underwent laparoscopic repair with successful outcomes. The mean operating time was 155+/-14.5 min (range, 135-186 min) with a median blood loss of 100 mL (range, 50-210 mL). Successful pregnancy was completed in 2 patients and other patients were taking contraceptives. Conclusion: Laparoscopic repair of VUF is a safe and effective minimally invasive technique with successful pregnancy in long- term follow up. PMID- 29201518 TI - Transobturator four arms mesh in the surgical management of stress urinary incontinence with cystocele. AB - Objective: This study aims to evaluate safety and efficacy of four arms polypropylene mesh in the long- term follow-up in the management of stress urinary incontinence (SUI) associated with cystocele. Material and methods: This prospective study was conducted on 50 female patients with SUI associated with cystocele. Patients underwent placement of transobturator four-arms mesh implants. Stress incontinence was evaluated using cough stress test with and without prolapse reduction, Stamey's grading of SUI, the validated Arabic version of the International Consultation on Incontinence Questionnaire-Short Form and King Health Questionnaire forms. Perioperative parameters evaluated included age, body mass index, grade of SUI, time of procedure, hospital stay after surgery, difference between pre-, and postoperative serum hemoglobin values, and need for blood transfusion. Follow- up visits were planned at 3, 9 and 18 months after surgery. Results: The mean operative time was 37.4+/-10.2 (25-60) minutes. Blood transfusion was not required. The mean hospital stay was 30.5+/-10 (24-48) hrs. Five (10%) patients had fever and urinary tract infections were noticed in five (10%) patients. Two (4%) women had urine retention after catheter removal and vaginal mesh erosion was present in one (2%) patient. Forty (80%) patients were cured from SUI, 8 (16%) patients were improved and 2 (4%) patients failed to respond. Conclusion: Cystocele associated with SUI can be repaired with transobturator four-arms mesh with promising results, improved quality of life, and tolerable side effects. PMID- 29201519 TI - Glans wings are separated ventrally by the septum glandis and frenulum penis: MRI documentation and surgical implications. AB - Objective: In the normal human penis, the glans wings are in apposition in the midline ventrally, and are separated by the "septum glandis" and "frenulum" of the prepuce. However, most of the hypospadias repair techniques include dissection of the glans wings and their approximation enclosing the neourethra within the glans. Material and methods: In order to obtain detailed information about the normal anatomy of glans penis, magnetic resonance imaging (MRI) findings of the penis were studied in three adults. Transverse, and sagittal sections of the penis were performed with a 1.5-T MRI scanner. Results: The present MRI study has confirmed that the glans wings do not fuse at the ventral midline and they are seperated by a fibrous tissue (septum glandis). This fibrous tissue is connected to the frenulum, traversing the wings of the glans penis. The glanular urethra forming the fossa navicularis has a wider caliber than the proximal urethra, and its walls are radiologically seen as the extension of that fibrous tissue. Conclusion: The male urethra is not a uniform tubular structure and has distinct attachments in glans penis. The glans wings are separated ventrally by the septum glandis and frenulum. In hypospadias, the septum glandis and frenulum are entirely missing structures. Therefore, in hypospadias surgery, the anatomical features of the glanular urethra must be taken into consideration. PMID- 29201520 TI - Transurethral incision of ureteroceles in paediatric age group. AB - Objective: Ureteroceles are a great clinical challenge because of variations in anatomy and clinical presentations. We present our experience with primary transurethral incision of ureteroceles in children. Material and methods: Data of thirteen children managed for ureterocele from 2009 to 2016 was retrospectively analyzed with respect to age, sex, clinical presentation and symptomatology, type and localization of ureterocele, investigations, surgical management and follow up. Results: A total of 13 patients with ureteroceles were managed. There were 7 males and 6 females. Six were neonates with antenatal diagnosis of ureteroceles. Five patients presented with urinary tract infection and two were diagnosed during ultrasound for abdominal pain. The ureteroceles were on the right side in 7 patients and left in 6 patients. Six patients had a duplex system-five on right side and bilateral in one. Two patients had ureteroceles in solitary kidney. Four patients had associated hydronephrosis and hydroureter and two had only hydronephrosis alone. One patient had bilateral grade III reflux in the bilateral lower moieties of the patient with bilateral duplex system. Two patients had poorly functioning kidney on radionuclide scan. All patients underwent cystoscopic incision of the ureteroceles. Eleven had intravesical ureteroceles and two had large caeco-ureteroceles. Two patients required ureteric reimplantation during follow-up. Conclusion: Though the approach of managing a patient with ureterocele should be individualized, transurethral incision remains valuable as a primary intervention with regular follow up. It may even prove to be the only intervention required in most of the patients. PMID- 29201521 TI - Urinary matrix metalloproteinase 9 and tissue inhibitor of metalloproteinase 1 biomarkers for predicting renal scar in children with urinary tract infection. AB - Objective: Urinary tract infection occurs in 1.8-6.6% of children under 6 years old. The aim of this study was to assess the urinary concentrations of matrix metalloproteinase 9 (MMP9) and tissue inhibitor of metalloproteinase 1 (TIMP1), in children with acute pyelonephritis (APN) and the potential to develop renal scarring. Material and methods: Children who had experienced an episode of APN were divided into 2 groups. Group 1 included children with APN who exhibited scarring and group 2 included children with APN who had a normal 99mTechnetium dimercaptosuccinic acid scan. Urinary levels of MMP9 and TIMP1 were measured in the acute phase of infection. A receiver operating characteristic curve was generated to allow calculation of cut-off values. Results: Sixty-one children were enrolled across the 2 groups: group 1 contained 16 patients (all female); group 2, 38 children (36 female and 2 male). Urinary levels of MMP9 and TIMP1 were significantly higher in group 1 than in group 2 (p=0.037 and 0.022 respectively). For comparison of groups 1 and 2, the cut-off values were measured as 75.5 ng/mL (sensitivity 62.5%, specificity 71.1%, positive predictive value, PPV, 48%, negative predictive value, NPV, 82%), 16.1 ng/mL (sensitivity 75%, specificity 55.3%, PPV 41%, NPV 84%), and 1310.7 ng/mL (sensitivity 75% specificity 60.5%, PPV 44%, NPV 85%) for MMP9, TIMP1, and MMP9*TIMP1 levels, respectively. Conclusion: Evaluation of urinary MMP9 and TIMP1 levels may help to identify children with APN who are at risk of developing renal scarring. PMID- 29201522 TI - Clinical effect of discordance in empirical treatment of cases with urinary tract infection accompanied by bacteremia. AB - Objective: It has been shown in previous studies that inadequate empirical treatment is associated with mortality in a variety of infections caused by Gram negative bacteria. In this study, the clinical effect of discordance in empirical treatment was investigated in patients with urinary tract infection (UTI) accompanied by bacteremia. Material and methods: We retrospectively reviewed the files of adult (>18 years old) patients who were diagnosed with UTI in our clinic between January 2014 and December 2015. Cases in which the same causative microorganism grew in both blood and urine cultures were included in the study. Patients using ceftriaxone and carbapenem as empirical antibiotic therapy (EAT) were compared as two different groups. In cases that the ethiologic agents were extended- spectrum beta lactamase (ESBL)-producing Klebsiella pneumoniae and Escherichia coli isolates, if the microorganism was resistant to initial antibiotic treatment the situation was defined as EAT discordance, and if it was sensitive it was defined as EAT concordance. Results: After the exclusion criteria were applied, 65 of the 266 cases examined were taken into the study. Clinical and laboratory features of cases of ceftriaxone and carbapenem groups were similar. There was no statistically significant difference between the two groups in terms of hospital stay and survival (p>0.05). Of 28 cases of ESBL producing E. coli and K. pneumoniae, 18 were EAT discordant and 10 were EAT concordant. Clinical and laboratory features of EAT concordant and EAT discordant groups were similar. No statistically significant difference was found between the two groups in terms of hospital stay and survival (p>0.05). Conclusion: It was considered that ceftriaxone can still be a viable option in the EAT of UTI, which is accompanied by bacteremia without severe sepsis and septic shock findings. It was concluded that EAT discordance may not have a negative effect on the duration of hospital stay and survival rates in neither total cases nor ESBL positive ones. PMID- 29201523 TI - Surgical complications of open nephrectomy in living related donors in Yemen: a prospective study. AB - Objective: Renal transplantation from living related donor is the best treatment option for chronic renal failure with experience for more than 50 years. However, this procedure may expose the health and even the life of otherwise normal individuals to risk. In this prospective study we described the surgical complications of open donor nephrectomies by Clavien grading system. Material and methods: Between May 2002 and December 2014, one hundred and seventy-two potentially healthy kidney donors were admitted to Althawrah General Hospital, Ibn-Sina Hospital and Military Hospital. The median age was 34 years (19-60 years) with male predominance in 64.5% of the cases. This prospective descriptive study reviews intra-, and post-operative surgical complications using Clavien grading system for surgical complications. Results: The procedure was done via supracostal lumbotomy incision (above 12th rib) in 112 cases (65.1%) and transcostal incision with resection of 11th rib in 60 cases (34.9%). Left kidney was taken in most of the cases (68%) while right kidney in the remaining 42% with an average warm ischemia time of 31 seconds (range, 22-34 seconds). Surgical complications by Clavien grading system were observed in 18.6% of the cases (32 cases). Grade 1 in 28 (16.4%); Grade 2 in 2 (1.2%) and Grade 3 in 2 cases (1.2%) were detected. There was no grade 4 or 5 cases in our series. Median postoperative hospital stay was 3 days (range: 2-4 days). Conclusion: We found that most of the complications of open living donor nephrectomy are of grade I and higher grade complications are negligible compared to the advantages for the recipients. PMID- 29201524 TI - Recent discovery of phallic depictions in prehistoric cave art in Asia Minor. AB - It was more recently announced by archeological society that cave art about human being dated back to 8,000 years ago had been discovered at southern Asia Minor. The primitive human figures involved the phallus pointing the ground almost the same size with legs. The cave artists represented their masterpiece without any exaggeration with the exception of extraordinary phallus. The erected penis is regarded as the symbol of giver of life and linked with the creator of the Universe in the initial period of art. In this article, the recent archeological findings were discussed in the light of andrological literature. PMID- 29201525 TI - Complete penile skin necrosis. AB - Superficial penile skin infections may be presented in different clinical situations that vary from simple infection to organ loss and serious morbidity and mortality. Antibiotic treatment and, if necessary, urgent debridement is required. A 46-year-old male patient with the complaints of urethral discharge and pain admitted to our outpatient clinic. He declared that there were midpenil tenderness and erythema 14 days ago which occurred after sexual intercourse. Complete penile skin necrosis with purulent discharge was detected in physical examination. After wound debridement and 14-days of intravenous antibiotic treatment, wound site culture was negative and then full-thickness skin grafting was performed. Urgent antibiotic treatment should be given, especially for the skin infections of the genital area. Despite the rapid spread of antibiotic treatment, clinical presentation may worsen within hours. It should be noted that especially in diabetics and elderly patients with poor hygiene, the infection may spread to anogenital region and may lead to fulminant necrotizing fasciitis which can present with severe morbidity and mortality. Reconstructive surgery is planned after the control of infection and according to the amount of tissue loss. PMID- 29201526 TI - Male infertility associated with de novo pericentric inversion of chromosome 1. AB - Inversion occurs after two breaks in a chromosome have happened and the segment rotates 180 degrees before reinserting. Inversion carriers have produced abnormal gametes if there is an odd number crossing- over between the inverted and the normal homologous chromosomes causing a duplication or deletion. Reproductive risks such as infertility, abortion, stillbirth and birth of malformed child would be expected in that case. A 54-year- old male patient was consulted to our clinic for primary infertility. The routine chromosome study were applied using peripheral blood lymphocyte cultures and analyzed by giemsa trypsin-giemsa (GTG) banding, and centromer banding (C-banding) stains. Y chromosome microdeletions in the azoospermia factor (AZF) regions were analyzed with polymerase chain reaction. Additional test such as fluorescence in situ hybridization (FISH) was used to detect the sex-determining region of the Y chromosome (SRY). Semen analysis showed azoospermia. A large pericentric inversion of chromosome 1 46,XY, inv(1) (p22q32) was found in routine chromosome analysis. No microdeletions were seen in AZF regions. In our patient the presence of SRY region was observed by using FISH technique with SRY-specific probe. Men who have pericentric inversion of chromosome 1, appear to be at risk for infertility brought about by spermatogenic breakdown. The etiopathogenic relationship between azoospermia and pericentric inversion of chromosome 1 is discussed. PMID- 29201527 TI - Intratesticular calcified nodule. AB - Since calcified nodule of the testis is seen very rarely, its etiology and diagnostic approach are not fully known. There have been a few cases reported in the literature. The objective of this study was to review the literature and report the case of a 30-year-old patient, who applied to our clinic due to a suspicious stiffness in his testis and underwent partial orchiectomy. PMID- 29201528 TI - Bilateral renal cell carcinoma with leiomyomatous stroma: A rare entity diagnosed synchronously and treated surgically in a staged fashion. AB - Renal cell carcinoma (RCC) accounts for approximately 3% of adult malignancies and 90-95% of kidney neoplasms. Renal cell carcinoma with leiomyomatous stroma (RCCLS) is an extremely rare histopathological entity based on available literature data. Herein, we report a 31-year-old male with incidentally detected synchronous bilateral renal masses who was eventually found to harbor RCCLS after being operated sequentially via nephron-sparing surgery. PMID- 29201529 TI - A rare case of lobulated complete renal fusion with multiple hila and vasculature. AB - Complete renal fusion without crossed renal ectopia denotes the medial fusion of the renal parenchyma (with or without changes in the microarchitecture) in the pelvis with anteriorly placed short ureters terminating into the bladder. This could be due to the failure of renal analgen to ascent, lateral migration, axial rotation, and persistence of primitive vascular supply. Though remain asymptomatic such cases warrant concomitant congenital anomalies of other organ systems as well as the microarchitecture changes in the renal parenchyma. PMID- 29201531 TI - Stigma, Partners, Providers and Costs: Potential Barriers to PrEP Uptake among US Women. AB - Background: Pre-Exposure Prophylaxis (PrEP) use has remained low among US women while significantly increasing among men who have sex with men. Besides lack of awareness, women face several social and structural barriers in gaining access to and using PrEP. Methods: Four focus group discussions with 20 HIV-negative women who live in the Washington DC metropolitan area. Results: The women expressed concerns about social and structural barriers to PrEP use. They were afraid that stigma related to using "HIV medicines" could affect PrEP use as well. They are worried that family and friends may question their reasons for taking anti retrovirals and suspect that they were HIV-positive. They expected hostile reactions from male partners, including accusations of infidelity and introducing mistrust in their relationships. Communicating with health care providers about sexual matters in general and their need for PrEP in particular were identified as further barriers. Women reported that providers rarely ask about risk behaviors related to HIV acquisition; that short visits hinder establishing a trusting relationship to discuss sensitive matters. They were concerned that disclosure of risk behaviors may result in judgmental responses and harsh treatment from providers. Lastly, women were concerned that PrEP costs, including insurance coverage and copays, would keep PrEP out of their reach. While cognizant of the potential barriers, women were unwavering in their determination to find ways to circumvent challenges to PrEP access. Conclusion: Social and structural barriers may impede women's access to PrEP despite their own reported interest. Continued efforts to reduce HIV stigma, improve patient-provider relationships and ensure affordability of PrEP may increase the likelihood that women will use this important prevention modality. PMID- 29201532 TI - Clinical presentation, epidemiology, neurophysiological findings, treatment and outcome of nonconvulsive status epilepticus: a 3-year prospective, hospital-based study. AB - Objective: This study reports the prevalence of Nonconvulsive Status Epilepticus (NCSE) in patients with altered mental status (AMS), and describes the clinical presentation, etiology, neurophysiological findings, neuroimaging, treatment, and outcome of NCSE in Qatar. Recording duration of continuous EEG monitoring was also discussed. Methods: This was a 3-year, prospective, hospital-based study involving patients with AMS and continuous EEG monitoring admitted to the Emergency and ICUs of Hamad Hospital, Qatar. Patients with confirmed diagnosis of NCSE were compared to the patients who did not show EEG and clinical features compatible with NCSE. Descriptive statistics in terms of mean with standard deviation, as well as frequency and percentages for categorical variables, were calculated; Student's t test as well as Chi-square tests or Fisher's exact tests were applied. Logistic regressions NSCE was performed using significance level 0.05 for independent variables at univariate analysis. Results: Number of patients with AMS and continuous EEG monitoring was 250. Number of patients with EEG compatible with NCSE: 65 (age range, 12-79 ys; m, 37; f, 28). Number of controls (defined as patients with EEG not compatible with NCSE): 185 (age range, 12-80 ys; m, 101; f, 84). Rate of occurrence of NCSE in patients with AMS: 26%. NCSE group was younger than controls (p < .001). Twenty patients with NCSE (31%) and 35 patients in the control group (19%) died. Death was more frequent in comatose NCSE compared to controls (p < .0007). NCSE proper and comatose NCSE had longer hospital stays than controls (p < .02 and p < .03, respectively). Complete recovery occurred in 26 NCSE patients (40%) and in 98 controls (53%) (p < .08). Twenty-one patients (31%) presented with refractory NCSE: 12 patients survived, 9 died. Conclusion: This was the first prospective study reporting a high number of NCSE in Qatar, a small country in the MENA region. This prevalence (26%) was in the middle range. NCSE patients did not perform better than controls, outcome being worse with comatose NCSE. NCSE is an emergent condition warranting expedited diagnosis and management. Three days of continuous EEG monitoring were able to diagnose most cases of NCSE. PMID- 29201533 TI - tRNAs as primers and inhibitors of retrotransposons. AB - The functional relationship between tRNAs and retrotransposons have been known for more than 35 years. tRNAs are used as primer molecules to guide the reverse transcription of retrotransposons. Recently, tRNAs have also emerge as important players in the postranscriptional regulation of retrotransposons by means of tRNA derived small RNAs. This surprisingly new layer of regulation indicates that tRNAs are used both in the promotion and the suppression of the reverse transcription of retrotransposons indicating their primary role in the life cycle of LTR retrotransposons. This adds another level of translational control to tRNAs. Here we review the different known levels of interactions of tRNAs and retrotransposons and highlight the unknown parts of this interaction. PMID- 29201534 TI - A Riemannian Framework for Linear and Quadratic Discriminant Analysis on the Tangent Space of Shapes. AB - We present a Riemannian framework for linear and quadratic discriminant classification on the tangent plane of the shape space of curves. The shape space is infinite dimensional and is constructed out of square root velocity functions of curves. We introduce the notion of mean and covariance of shape-valued random variables and samples from a tangent space to the pre-shapes (invariant to translation and scaling) and then extend it to the full shape space (rotational invariance). The shape observations from the population are approximated by coefficients of a Fourier basis of the tangent space. The algorithms for linear and quadratic discriminant analysis are then defined using reduced dimensional features obtained by projecting the original shape observations on to the truncated Fourier basis. We show classification results on synthetic data and shapes of cortical sulci, corpus callosum curves, as well as facial midline curve profiles from patients with fetal alcohol syndrome (FAS). PMID- 29201535 TI - Polymer Informatics: Opportunities and Challenges. AB - We are entering an era where large volumes of scientific data, coupled with algorithmic and computational advances, can reduce both the time and cost of developing new materials. This emerging field known as materials informatics has gained acceptance for a number of classes of materials, including metals and oxides. In the particular case of polymer science, however, there are important challenges that must be addressed before one can start to deploy advanced machine learning approaches for designing new materials. These challenges are primarily related to the manner in which polymeric systems and their properties are reported. In this viewpoint, we discuss the opportunities and challenges for making materials informatics as applied to polymers, or equivalently polymer informatics, a reality. PMID- 29201536 TI - The Challenges of Nutritional Assessment in Cirrhosis. AB - Purpose of Review: Nutritional status in patients with cirrhosis is very frequently associated with macro- and micronutrient deficiencies. Cirrhosis itself is the cause of malnutrition and nutritional deficiencies but these conditions have to be identified and addressed properly as they can worsen the prognosis of cirrhosis. The goals of this review are to 1) identify and describe the challenges associated with nutritional assessment in cirrhosis and 2) describe recent advancements when using clinical, laboratory, and instrumental tools in the evaluation of malnourished patients with liver diseases. Recent Findings: The most promising tools for nutritional assessment in cirrhosis include the evaluation of body composition with phase angle obtained by bioelectrical impedance analysis, computed tomography transverse images at the level of third lumbar vertebra. The Royal-Free Hospital global assessment algorithm appears to be helpful but needs further validation. Summary: Nutritional assessment in cirrhosis is challenging as several factors, including edema, can interfere with it and because of lack of a validated gold standard. Regardless, nutritional assessment methods have been developed in recent years and should gain relevance in the clinical practice. PMID- 29201537 TI - Electrical stimulation improved cognitive deficits associated with traumatic brain injury in rats. AB - Introduction: Cognitive deficits associated with traumatic brain injury (TBI) reduce patient quality of life. However, to date, there have been no effective treatments for TBI-associated cognitive deficits. In this study, we aimed to determine whether electrical stimulation (ES) improves cognitive deficits in TBI rats. Methods: Rats were randomly divided into three groups: the Sham control group, electrical stimulation group (ES group), and No electrical stimulation control group (N-ES group). Following fluid percussion injury, the rats in the ES group received ES treatment for 3 weeks. Potent cognitive function-relevant factors, including the escape latency, time percentage in the goal quadrant, and numbers of CD34+ cells, von Willebrand Factor+ (vWF +) vessels, and circulating endothelial progenitor cells (EPCs), were subsequently assessed using the Morris water maze (MWM) test, immunohistochemical staining, and flow cytometry. Results: Compared with the rats in the N-ES group, the rats in the ES group exhibited a shorter escape latency on day 3 (p = .025), day 4 (p = .011), and day 5 (p = .003), as well as a higher time percentage in the goal quadrant (p = .025) in the MWM test. After 3 weeks of ES, there were increased numbers of CD34+ cells (p = .008) and vWF + vessels (p = .000) in the hippocampus of injured brain tissue in the ES group compared with those in the N-ES group. Moreover, ES also significantly increased the number of EPCs in the peripheral blood from days 3 to 21 after TBI in the ES group (p < .05). Conclusions: Taken together, these findings suggest that ES may improve cognitive deficits induced by TBI, and this protective effect may be a result, in part, of enhanced angiogenesis, which may be attributed to the increased mobilization of EPCs in peripheral blood. PMID- 29201538 TI - Vision In Stroke cohort: Profile overview of visual impairment. AB - Aim: To profile the full range of visual disorders from a large prospective observation study of stroke survivors referred by stroke multidisciplinary teams to orthoptic services with suspected visual problems. Methods: Multicenter prospective study undertaken in 20 acute Trust hospitals. Standardized screening/referral forms and investigation forms documented data on referral signs and symptoms plus type and extent of visual impairment. Results: Of 1,345 patients referred with suspected visual impairment, 915 were recruited (59% men; mean age at stroke onset 69 years [SD 14]). Initial visual assessment was at median 22 days post stroke onset. Eight percent had normal visual assessment. Of 92% with confirmed visual impairment, 24% had reduced central visual acuity <0.3 logMAR and 13.5% <0.5 logMAR. Acquired strabismus was noted in 16% and acquired ocular motility disorders in 68%. Peripheral visual field loss was present in 52%, most commonly homonymous hemianopia. Fifteen percent had visual inattention and 4.6% had other visual perceptual disorders. Overall 84% were visually symptomatic with visual field loss the most common complaint followed by blurred vision, reading difficulty, and diplopia. Treatment options were provided to all with confirmed visual impairment. Targeted advice was most commonly provided along with refraction, prisms, and occlusion. Conclusions: There are a wide range of visual disorders that occur following stroke and, frequently, with visual symptoms. There are equally a wide variety of treatment options available for these individuals. All stroke survivors require screening for visual impairment and warrant referral for specialist assessment and targeted treatment specific to the type of visual impairment. PMID- 29201539 TI - Assessment of cerebral blood flow with magnetic resonance imaging in children with sickle cell disease: A quantitative comparison with transcranial Doppler ultrasonography. AB - Introduction: Transcranial Doppler ultrasonography (TCD) is a clinical tool for stratifying ischemic stroke risk by identifying abnormal elevations in blood flow velocity (BFV) in the middle cerebral artery (MCA). However, TCD is not effective at screening for subtle neurologic injury such as silent cerebral infarcts. To better understand this disparity, we compared TCD measures of BFV with tissue level cerebral blood flow (CBF) using arterial spin-labeling MRI in children with and without sickle cell disease, and correlated these measurements against clinical hematologic measures of disease severity. Methods: TCD and MRI assessment were performed in 13 pediatric sickle cell disease patients and eight age-matched controls. Using MRI measures of MCA diameter and territory weight, TCD measures of BFV in the MCA [cm/s] were converted into units of CBF [ml min 1100 g-1] for comparison. Results: There was no significant association between TCD measures of BFV in the MCA and corresponding MRI measures of CBF in patients (r = .28, p = .39) or controls (r = .10, p = .81). After conversion from BFV into units of CBF, a strong association was observed between TCD and MRI measures (r = .67, p = .017 in patients, r = .86, p = .006 in controls). While BFV in the MCA showed a lack of correlation with arterial oxygen content, an inverse association was observed for CBF measurements. Conclusions: This study demonstrates that BFV in the MCA cannot be used as a surrogate marker for tissue-level CBF in children with sickle cell disease. Therefore, TCD alone may not be sufficient for understanding and predicting subtle pathophysiology in this population, highlighting the potential clinical value of tissue-level CBF. PMID- 29201540 TI - Erythropoietin regulates immune/inflammatory reaction and improves neurological function outcomes in traumatic brain injury. AB - Introduction: Traumatic brain injury (TBI) remains a leading cause of disability and death among young people in China. Unfortunately, no specific pharmacological agents to block the progression of secondary brain injury have been approved for clinical treatment. Recently, neuroprotective effects of erythropoietin (EPO) have been demonstrated in addition to its principal function in erythropoiesis, and hence it is viewed as a potential drug for TBI. In this study, we have investigated the neuroprotective effects of EPO associated with immune/inflammatory modulation in a mouse experimental TBI model. Methods: EPO (5000 U/kg body weight, i.p.) was injected at 1 hr, 1, 2, and 3 days after TBI, and its effect on cognitive function, brain edema, immune/inflammatory cells including regulatory T cells (Tregs), neutrophils, CD3+ T cells, and microglia, cytokines including interleukin-10 (IL-10), transforming growth factor-beta (TGF beta), interleukin-1beta (IL-1beta), and tumor necrosis factor-alpha (TNF-alpha) were evaluated at different time points after treatment. Results: EPO treatment significantly decreased brain edema and improved cognitive function when compared to Saline-treated mice (p < .05). EPO treatment also significantly increased Tregs level in spleen and injured brain tissue as well as significantly reduced the infiltration and activation of immune/inflammatory cells (neutrophils, CD3+T cells, and microglia) in the injured hemisphere compared to Saline-treated control animals (p < .05). In addition, ELISA analysis demonstrated that EPO treatment increased the expression of anti-inflammatory cytokine IL-10, but decreased the expression of proinflammatory cytokine IL-1beta and TNF-alpha in the injured brain tissue (p < .05). Conclusions: These findings suggest that EPO could improve neurological and cognitive functional outcomes as well as regulate immune/inflammatory reaction in TBI. PMID- 29201541 TI - Pulsed radiofrequency stimulation suppresses palmar hyperhidrosis in an animal study. AB - Objectives: Palmar hyperhidrosis (PH) exhibits excessive and unpredictable sweating. The most effective treatment for permanent cure is the ablation of thoracic sympathetic ganglia innervating hands. However, sympathectomy of T2 sympathetic ganglion by clipping or cauterization causes irreversible nerve damage, and results in a compensatory hyperhidrosis (CH). We herein used the pulsed radiofrequency (PRF) stimulation to reversibly block sympathetic ganglion to treat PH and avoid CH. Material and Methods: A bipolar electrode was implanted into the right T2 sympathetic trunk by endoscopic surgery and PRF was delivered through the electrode. The humidity (%) of right palm was measured to indicate sweating level. Results: Six out of 13 rats (46.2%) that received a 5-min PRF stimulation on the T2 sympathetic trunk showed a decrease in the right palm humidity during the surgery. PRF stimulation significantly reduced humidity from 69.17% +/- 0.72% obtained from baseline condition to 66.93% +/- 0.69%. The humidity reduction was also observed at 10 min after the PRF stimulation. We further evaluated the effect of PRF stimulation 1 week after surgery and found that the PRF stimuli reduced right hand humidity in 5 out of 8 rats (62.5%). PRF stimulation significantly reduced humidity from 66.11% +/- 0.81% obtained from sham operation control to 63.62% +/- 0.82%. The percentage of right hand humidity obtained 10 min after PRF stimulation was also reduced to 63.38% +/- 0.80%. Anesthetics have no effect on humidity. Conclusions: These results indicate that PRF stimulation of T2 sympathetic trunk reduces palm sweating in rats. PMID- 29201544 TI - Occurrence of overt seizures in comatose survivor patients treated with targeted temperature. AB - Background: Unconscious patients after out-of-hospital cardiac arrest have a high risk of death. Therapeutic hypothermia is recommended by international resuscitation guidelines in order to attenuate secondary destructive physiological processes such as reperfusion injury, apoptosis, and cerebral edema. The target temperature to reach ranges between 32 and 34 degrees C for at least 24 hr. Hypothermia can induce metabolic disturbances. There are some reports in the literature indicating the presence of seizures during targeted temperature management. On the other hand, postanoxic seizures are a sign of unfavorable neurological outcome. The purpose of this study was to evaluate the occurrence of overt seizures in comatose survivor patients treated with targeted temperature in respect to overt seizures in a normal temperature group of comatose patients. Methods: This was a retrospective study of unconscious adults post cardiopulmonary resuscitation, hospitalized in the intensive care unit during the years 2008-2015. The patients were divided into two groups: those treated with hypothermia and those with normal body temperature. Both groups were evaluated for the appearance of overt seizures during their hospitalization which was the primary outcome of the study. Results: The data of 88 consecutive unconscious patients after out-of-hospital cardiac arrest were collected. Twenty six patients were treated with targeted temperature (32-34 degrees C) and 62 patients with normal temperature. In the hypothermic group, 6 (23%) patients developed overt seizures during hospitalization compared to 11 (17%) in the normothermic group. The mortality rate was similar in both groups, 16 (61%) in the hypothermic group and 38 (61%) in the conservative group. According to the present study, overt seizures were more common in the group treated with hypothermia. PMID- 29201542 TI - Plasma sphingolipids and depressive symptoms in coronary artery disease. AB - Background: Depression is highly prevalent in individuals with coronary artery disease (CAD) and increases the risk of future cardiac events and mortality. Sphingolipids have been implicated in the pathophysiology of both CAD and depression. This study assessed the association between plasma sphingolipid concentrations and depressive symptoms in CAD subjects. Methods: Depressive symptoms were measured using the depression subscale of the self-reported Hospital Anxiety and Depression Scale (HADS). Sphingolipid concentrations were measured from fasting plasma samples using high-performance liquid chromatography coupled electrospray ionization tandem mass spectrometry (LC/MS/MS). Linear regression models were used to assess associations between log-transformed concentrations of plasma sphingolipids and depressive symptoms. Results: A total of 111 CAD patients (mean (SD) age = 63.6 +/- 6.4, 84.7% male) were included. In linear regression analyses, higher plasma concentrations of ceramides C16:0 (beta = 0.204, p = .026) and C18:0 (beta = 0.209, p = .023) and sphingomyelin SM18:1 (beta = 0.210, p = .024) were significantly associated with higher HADS depression subscale score after adjusting for covariates. Conclusion: Sphingolipids, in particular the ceramide species C16:0 and C18:0 and the sphingomyelin species SM18:1, may be implicated in the pathophysiology of depression in CAD. The association between plasma sphingolipid concentrations and depression should be further examined in CAD patients and in other populations. PMID- 29201543 TI - Object words modulate the activity of the mirror neuron system during action imitation. AB - Background: Although research has demonstrated that the mirror neuron system (MNS) plays a crucial role in both action imitation and action-related semantic processing, whether action-related words can inversely modulate the MNS activity remains unclear. Methods: Here, three types of task-irrelevant words (body parts, verbs, and manufactured objects) were presented to examine the modulation effect of these words on the MNS activity during action observation and imitation. Twenty-two participants were recruited for the fMRI scanning and remaining data from 19 subjects were reported here. Results: Brain activity results showed that word types elicited different modulation effects over nodes of the MNS (i.e., the right inferior frontal gyrus, premotor cortex, inferior parietal lobule, and STS), especially during the imitation stage. Compared with other word conditions, action imitation following manufactured objects words induced stronger activation in these brain regions during the imitation stage. These results were consistent in both task-dependent and -independent ROI analysis. Conclusion: Our findings thus provide evidence for the unique effect of object words on the MNS during imitation of action, which may also confirm the key role of goal inference in action imitation. PMID- 29201545 TI - Different patterns of attentional bias in antenatal and postpartum depression. AB - Background: Biased information processing in attention, memory, and interpretation is proposed to be central cognitive alterations in patients with major depressive disorder, but studies in women with peripartum depression are scarce. Because of the many similarities with depression in nonperipartum states as regards symptom profile and risk factors, we hypothesized that women with antenatal and postpartum depression would display attentional bias to negatively and positively valenced words. Methods: One hundred and seventy-seven pregnant and 157 postpartum women were included. Among these, 40 suffered from antenatal depressive disorder and 33 from postpartum depressive disorder. An emotional Stroop task with neutral, positive, negative, and negatively valenced obstetric words was used. Results: No significant difference in emotional interference scores was noted between women with antenatal depression and nondepressed pregnant women. In contrast, women with postpartum depression displayed shorter reaction times to both positive (p = .028) and negative (p = .022) stimuli, compared with neutral words. Pregnant women on antidepressant treatment displayed longer reaction times to negatively valenced obstetric words in comparison with untreated depressed women (p = .012), and a trend toward greater interference in comparison with controls (p = .061). Conclusions: In contrast with the hypothesis, we found no evidence of attentional bias to emotionally valenced stimuli in women with untreated peripartum depression. However, the shorter reaction times to emotional stimuli in women with postpartum depression may indicate emotional numbing, which in turn, is a functional impairment that may have repercussions for child development and well-being. Our findings emphasize the need to identify and treat women with postpartum depression at the earliest possible time point to ensure swift recovery and support for the family. PMID- 29201546 TI - Neurologists dealing with sickness certification: Experiences of problems and need of competence. AB - Rationale and Aims: Most studies on physicians' sickness certification practices include general practitioners (GP) while there hardly is any knowledge on this regarding neurologists although neurological diseases often involve work incapacity and need of sick leave. Aim: The aim was to describe experiences among neurologists in Sweden concerning their work with sickness certification of patients. Method: A cross-sectional study of 265 neurologists' responses in a nationwide survey regarding their work with sickness certification of patients was conducted. Results: The majority (81.5%) had sickness certification consultations at least once a week and a third experienced problems every week in handling sickness certification. Among the 251 who at least sometimes had sickness certification consultations, the following two aspects were experienced as very or fairly problematic: "assess the degree to which the reduced functional capacity limits a patient's capacity to perform his/her work assignments" (67.3%) and "make a long-term prognosis about the future work capacity of patients on sick leave" (60.5%). At least once a week, 78.7% experienced lack of time regarding managing patient-related aspects of the sickness certification task. Moreover, 21.8% considered sickness certification to be a work environmental problem, at least once a week. In all, 84% stated that they had a large or fairly large need for more competence concerning sickness certification tasks. Conclusions: Sickness certification is a common task among neurologists, involving several problematic aspects related to, e.g., lack of competence in assessing function and work capacity and of time. There is a need for improvement. PMID- 29201547 TI - Decremental responses in patients with motor neuron disease. AB - Objective: Involvement of the neuromuscular junction (NMJ) in amyotrophic lateral sclerosis (ALS) has been reported and is increasingly recognized as an important pathophysiological aspect. The relationship between decrement and clinical measures for possible application as a biomarker has not been comprehensively explored. Methods: We performed routine repetitive nerve stimulation (RNS) of three nerves on patients with ALS. We captured measures of muscle strength, grip strength, fatigability, and calculated slow vital capacity (SVC) rates of change assessing for associations. Results: In 42 subjects, 210 muscles were studied. Negative correlation was found between the percentage of decrement and compound muscle action potential (CMAP) amplitude. Approximately half of the patients with hand weakness did not have decrement. There was no significant correlation between decrement and handgrip fatigue, SVC < 80% predicted, or more rapid worsening of SVC over time. Conclusions: Abnormal decremental responses are well described in ALS. We report that the degree of decremental response does not correlate with the degree of weakness. Abnormal decrement is only rarely present in nerve-muscle pairs with normal motor power. Our findings did not support a correlation between abnormal decrement and clinical measures suggesting that RNS may not be useful as a biomarker to monitor ALS progression. PMID- 29201548 TI - Risk factors of carotid plaque and carotid common artery intima-media thickening in a high-stroke-risk population. AB - Introduction: To analyze the risk factors of carotid plaque (CP) and carotid common artery intima-media thickening (CCAIMT) and the association between the risk factors and CP numbers and the side of the CCAIMT in a high-stroke-risk population. Methods: Carotid ultrasonography was conducted in 2025 participants with high stroke risk. Participants were divided into different groups according to the results of the ultrasound. The risk factors and blood biochemical indices were recorded. Results: The presence of CP and CCAIMT were 38.9% and 24.8% respectively. Multivariate logistic regression indicated that the risk factors of CP were age, high LDL-C and FBG levels, male gender, stroke, diabetes, hypertension, and tobacco use. Compared with participants without CPs, the participants who were male, and older in age, with risk factors of tobacco use, diabetes, high LDL-C levels, and a family history of hypertension were likely to have a single CP, whereas the participants with risk factors of tobacco use, diabetes, hypertension, male gender, older age, high LDL-C levels, stroke and AF or valvulopathy were prone to have multiple CPs. The risk factors of CCAIMT were male gender, stroke, hypertension, diabetes, AF or valvulopathy, tobacco use and age. Compared with the N-CCAIMT subgroup, the risk factors of left CCAIMT were tobacco use, diabetes, male gender, and age. The risk factors of right CCAIMT were male gender, high FBG levels, age, AF or valvulopathy. The risk factors of dual CCAIMT were high frequency of drinking milk, tobacco use, male gender, age, stroke, and hypertension. Conclusion: These findings revealed the risk factors of CP and CCAIMT, and an association between the risk factors and the CP numbers and the side of the CCAIMT. PMID- 29201549 TI - l-Dopa/carbidopa intestinal gel and subthalamic nucleus stimulation: Effects on cognition and behavior. AB - Objective: In Parkinson's disease (PD), effects on behavior and cognition of levodopa/carbidopa intestinal gel (LCIG) and subthalamic stimulation (STN-DBS) and their practical consequences remain controversial. This study was designed to analyze the possible effects of these therapies on cognition and behavior after 1 year follow-up. Methods: This was an open-label, nonrandomized prospective study for pre- and postintervention analyses. Twenty-four patients were considered eligible to be candidates for complex therapies such as STN-DBS or LCIG; 23 patients treated with standard medication were included as controls. Several cognitive, behavioral, and motor scales were administered before and at 6 and 12 months after the intervention. Results: Patients treated with LCIG experienced significant improvement in specific neuropsychological functions when compared with patients receiving STN-DBS and conventional medical treatment after 1 year from the onset of the intervention. In this study, no significant cognitive or behavioral changes occurred in patients treated with subthalamic stimulation when compared to patients receiving conventional medical treatment at 1 year follow up. Conclusions: Patients treated with LCIG may significantly improve some specific neuropsychological functions when compared with patients receiving STN DBS and with patients receiving conventional medical treatment after 1 year from the intervention; there are not significant cognitive or behavioral changes in patients treated with STN-DBS when compared to PD patients receiving conventional medical treatment after 1 year from the intervention. The outcomes showed in the study can help to the selection of the appropriate candidates for STN-DBS and LCIG. PMID- 29201550 TI - Dehydration is a strong predictor of long-term prognosis of thrombolysed patients with acute ischemic stroke. AB - Background and Purpose: Dehydration was found to be involved in the poor prognosis of patients with acute ischemic stroke. It is unclear whether dehydration status before onset is related with prognosis of thrombolysed patients with acute ischemic stroke. If it is the case, quickly hydrating may improve the prognosis. The present study was designed to explore the issue. Methods: Eligible 294 patients with acute ischemic stroke after thrombolysis were enrolled in the present study according to inclusion/exclusion criteria. According to the modified Rankin scale (mRS) 90 days post stroke, the patients were divided into two groups: mRS 0-2 (n = 191) and mRS 3-6 (n = 103). In the present study, BUN/Cr >= 15 combined with USG > 1.010 or either of them were chosen as dehydration marker. Clinical data were analyzed between two groups. Univariate and multivariate statistical analyses were carried out. Results: Age, fibrinogen, blood glucose, BUN/Cr, NIHSS score at admission, the systolic blood pressure (SBP) before thrombolysis, dehydration status (BUN/Cr >= 15 plus USG > 1.010), hyperlipidemia, USG and D-dimer on admission day, and TOAST classification showed significant difference between two groups (p < .05). Further stratification analysis showed that BUN/Cr >= 15, NIHSS >= 6, blood glucose >=8, and SBP > 150 were markedly associated with poor outcome (mRS 3-6, p < .05). After adjusting for age, fibrinogen, USG, D-dimer, dehydration status, NIHSS, blood glucose, SBP, hyperlipidemia, and BUN/Cr at admission, multivariate logistic regression showed that dehydration status, higher NIHSS, higher blood glucose, and higher SBP at admission were independent risk factors for predicting the long-term poor prognosis of thrombolysed patients. Conclusions: The present findings suggest that BUN/Cr >= 15 combined with USG > 1.010 as a marker of dehydration status was an independent risk factor for long-term poor prognosis of thrombolysed patients with acute ischemic stroke. PMID- 29201551 TI - Investigation of the COMT Val158Met variant association with age of onset of psychosis, adjusting for cannabis use. AB - Objective: COMT rs4680 (Val158Met) genotype moderates the effect of cannabis on the age of onset of psychosis (AoP). We investigated the association between rs4680 and AoP, after adjusting for relevant covariates, in a Canadian Caucasian sample. Methods: One hundred and sixty-nine subjects with psychosis were recruited. AoP, defined as age of DSM-IV diagnosis was established using the Structured Clinical Interview for DSM-IV. Cannabis use data were collected using a self-report computerized questionnaire. DNA was extracted from saliva and genotyping of the COMT Val158Met polymorphism was done by SNaPshot and TaqMan assays. Logistic regression and Kaplan-Meier analysis results are reported. Results: In those who had used cannabis before 20 years of age, rs4680 had a trend level effect on AoP (median AoP: Val/Val < Val/Met < Met/Met 19.37, 20.95, 21.24 years, respectively; log-rank test p = .051). Conclusion: Our data are indicative of the need to further investigate the association between the COMT rs4680 variant and AoP in the context of adolescent cannabis use. PMID- 29201552 TI - ATP2C2 and DYX1C1 are putative modulators of dyslexia-related MMR. AB - Background: Dyslexia is a specific learning disorder affecting reading and spelling abilities. Its prevalence is ~5% in German-speaking individuals. Although the etiology of dyslexia largely remains to be determined, comprehensive evidence supports deficient phonological processing as a major contributing factor. An important prerequisite for phonological processing is auditory discrimination and, thus, essential for acquiring reading and spelling skills. The event-related potential Mismatch Response (MMR) is an indicator for auditory discrimination capabilities with dyslexics showing an altered late component of MMR in response to auditory input. Methods: In this study, we comprehensively analyzed associations of dyslexia-specific late MMRs with genetic variants previously reported to be associated with dyslexia-related phenotypes in multiple studies comprising 25 independent single-nucleotide polymorphisms (SNPs) within 10 genes. Results: First, we demonstrated validity of these SNPs for dyslexia in our sample by showing that additional inclusion of a polygenic risk score improved prediction of impaired writing compared with a model that used MMR alone. Secondly, a multifactorial regression analysis was conducted to uncover the subset of the 25 SNPs that is associated with the dyslexia-specific late component of MMR. In total, four independent SNPs within DYX1C1 and ATP2C2 were found to be associated with MMR stronger than expected from multiple testing. To explore potential pathomechanisms, we annotated these variants with functional data including tissue-specific expression analysis and eQTLs. Conclusion: Our findings corroborate the late component of MMR as a potential endophenotype for dyslexia and support tripartite relationships between dyslexia-related SNPs, the late component of MMR and dyslexia. PMID- 29201553 TI - Proinflammatory cytokines correlate with early exercise attenuating anxiety-like behavior after cerebral ischemia. AB - Background and Objective: Stroke may cause neuropsychiatric problems, which have negative effects on cognitive functions and behavior. Exercise plays an important role in reducing the occurrence and development of stroke, the concrete mechanism is not fully clarified. In this study, we attempted to determine whether early treadmill exercise attenuates anxiety-like behavior by regulation of inflammation after brain ischemia. Method: We subjected adult male rats to middle cerebral artery occlusion (MCAO) for 90 min and trained rats started to run on a treadmill from postoperative day 1 to day 14. The effects of treadmill on cognitive functions, anxiety-like behavior, and immune activation were analyzed by Morris water maze test, open field test, elevated plus maze test, and enzyme-linked immunosorbent assay. Results: Early treadmill exercise significantly improved cognitive function, alleviated anxiety-like behavior in ischemic rats model; this improvement was associated with significantly decreased activation of astrocytes and microglia cells and proinflammatory markers (platelet-activating factor [PAF], interleukin-6 [IL-6], tumor necrosis factor-alpha [TNF-alpha], intercellular adhesion molecule-1 [ICAM-1], and vascular cell adhesion molecule-1 [VCAM-1]). Conclusion: Our results indicated that early treadmill exercise attenuated anxiety-like behavior by decreasing inflammation response, exercise conferred a great benefit of attenuating anxiety-like behavior via anti inflammatory treatment may prove to be a novel neuroprotective strategy for stroke. PMID- 29201554 TI - Linking Y-chromosomal short tandem repeat loci to human male impulsive aggression. AB - Introduction: Men are more susceptible to impulsive behavior than women. Epidemiological studies revealed that the impulsive aggressive behavior is affected by genetic factors, and the male-specific Y chromosome plays an important role in this behavior. In this study, we investigated the association between the impulsive aggressive behavior and Y-chromosomal short tandem repeats (Y-STRs) loci. Methods: The collected biologic samples from 271 offenders with impulsive aggressive behavior and 492 healthy individuals without impulsive aggressive behavior were amplified by PowerPlexRY23 PCR System and the resultant products were separated by electrophoresis and further genotyped. Then, comparisons in allele and haplotype frequencies of the selected 22 Y-STRs were made in the two groups. Results: Our results showed that there were significant differences in allele frequencies at DYS448 and DYS456 between offenders and controls (p < .05). Univariate analysis further revealed significant frequency differences for alleles 18 and 22 at DYS448 (0.18 vs 0.27, compared to the controls, p = .003, OR=0.57,95% CI=0.39-0.82; 0.03 vs 0.01, compared to the controls, p = .003, OR=7.45, 95% CI=1.57-35.35, respectively) and for allele 17 at DYS456 (0.07 vs 0.14, compared to the controls, p = .006, OR=0.48, 95% CI =0.28-0.82) between two groups. Interestingly, the frequency of haploid haplotype 22-15 on the DYS448-DYS456 (DYS448-DYS456-22-15) was significantly higher in offenders than in controls (0.033 vs 0.004, compared to the control, p = .001, OR = 8.42, 95%CI =1.81-39.24). Moreover, there were no significant differences in allele frequencies of other Y-STRs loci between two groups. Furthermore, the unconditional logistic regression analysis confirmed that alleles 18 and 22 at DYS448 and allele 17 at DYS456 are associated with male impulsive aggression. However, the DYS448-DYS456-22-15 is less related to impulsive aggression. Conclusion: Our results suggest a link between Y-chromosomal allele types and male impulsive aggression. PMID- 29201555 TI - Background and distribution of lobar microbleeds in cognitive dysfunction. AB - Objectives: Cerebral microbleeds (CMBs) are often observed in memory clinic patients. It has been generally accepted that deep CMBs (D-CMBs) result from hypertensive vasculopathy (HV), whereas strictly lobar CMBs (SL-CMBs) result from cerebral amyloid angiopathy (CAA) which frequently coexists with Alzheimer's disease (AD). Mixed CMBs (M-CMBs) have been partially attributed to HV and also partially attributed to CAA. The aim of this study was to elucidate the differences between SL-CMBs and M-CMBs in terms of clinical features and regional distribution. Materials: We examined 176 sequential patients in our memory clinic for clinical features and CMB location using susceptibility-weighted images obtained on a 3T-MRI. The number of lobar CMBs in SL-CMBs and M-CMBs was counted in each cerebral lobe and their regional density was adjusted according to the volume of each lobe. Results: Of the total 176 patients, 111 patients (63.1%) had CMBs. Within the patients who had CMBs, M-CMBs were found in 54 patients (48.6%), followed by SL-CMBs in 35 (31.5%) and D-CMBs in 19 (17.1%). The SL-CMB group showed a significantly higher prevalence of family history of dementia, whereas the M-CMB group showed an increasing trend toward hypertension and smoking. The prevalence of AD was significantly higher in the SL-CMBs group, whereas the prevalence of AD with cerebrovascular disease was higher in the M-CMBs group. The regional density of lobar CMBs was significantly higher in the occipital lobe in the M-CMB group, whereas the SL-CMB group showed higher regional density between regions an increasing tendency in the parietal and occipital lobe. Conclusion: The between-group differences in clinical features and regional distribution indicate there to be an etiological relationship of SL-CMBs to AD and CAA, and M CMBs to both HV and CAA. PMID- 29201556 TI - NS-Pten knockout mice show sex- and age-specific differences in ultrasonic vocalizations. AB - Objective: The goal of this study was to identify changes in quantitative and qualitative aspects of neonatal ultrasonic vocalizations USVs in neuron-subset specific (NS-Pten) knockout males and females when compared with wild-type male and female mice. Background: One signaling cascade that plays a crucial role in the development of an autistic-like phenotype is the PI3K/Akt/mTOR pathway. Mouse models that illustrate this connection include Fmr1, Tsc1, and NS-Pten-deficient mice. While numerous studies have investigated ultrasonic vocalizations in Fmr1 knockout and Tsc1 heterogenous mice, none have investigated USVs in NS-Pten knockout mice using a full spectrum recording system. Methods: We recorded ultrasonic vocalizations from NS-Pten wild-type and knockout male and female mice on postnatal days 8 and 11. On these days, we measured the number and quality of calls emitted from pups when they were removed from their mothers. Results: We found that knockout pups emitted fewer vocalizations for both sexes (p < .05). Knockout males had calls of a shorter duration and lower peak amplitude on day 8, while showing a shorter duration, lower peak amplitude, and higher peak and fundamental frequency on day 11 (p < .001). Knockout females vocalized at a lower peak amplitude and fundamental frequency, and a higher peak frequency on day 8, while showing a shorter duration and a higher peak and fundamental frequency on day 11 (p < .001). Spectrographic analyses also revealed significant differences in call type for both genotypes and sexes (p < .05). Conclusions: These findings demonstrate that deletion of NS-Pten results in significant decreases in vocalizations across both sexes. Additionally, our findings indicate that the aberrant vocalizations and increased call duration seen in other mTOR models are also present in NS-Pten knockout mice. Our study provides evidence of a connection between hyperactive mTOR signaling and neonatal ultrasonic vocalizations. PMID- 29201557 TI - Brain lesions affecting gait recovery in stroke patients. AB - Objectives: Gait recovery is an important goal in stroke patients. Several studies have sought to uncover relationships between specific brain lesions and the recovery of gait, but the effects of specific brain lesions on gait remain unclear. Thus, we investigated the effects of stroke lesions on gait recovery in stroke patients. Materials and Methods: In total, 30 subjects with stroke were assessed in a retrograde longitudinal observational study. To assess gait function, the functional ambulation category (FAC) was tested four times: initially (within 2 weeks) and 1, 3, and 6 months after the onset of the stroke. Brain lesions were analyzed via overlap, subtraction, and voxel-based lesion symptom mapping (VLSM). Results: Ambulation with FAC improved significantly with time. Subtraction analysis showed that involvement of the corona radiata, internal capsule, globus pallidus, and putamen were associated with poor recovery of gait throughout 6 months after onset. The caudate nucleus did influence poor recovery of gait at 6 months after onset. VLSM revealed that corona radiata, internal capsule, globus pallidus, putamen and cingulum were related with poor recovery of gait at 3 months after onset. Corona radiata, internal capsule, globus pallidus, putamen, primary motor cortex, and caudate nucleus were related with poor recovery of gait at 6 months after onset. Conclusion: Results identified several important brain lesions for gait recovery in patients with stroke. These results may be useful for planning rehabilitation strategies for gait and understanding the prognosis of gait in stroke patients. PMID- 29201558 TI - Human Genomics of Mycobacterium tuberculosis Infection and Disease. AB - Purpose of review: The study of the genetic basis of tuberculosis pathogenesis has benefited from powerful technological innovations, a more structured definition of latent and clinical manifestations of the disease, and the application of functional genomics approaches. This short review aims to summarize recent advances and to provide a link with results of previous human genetic studies of tuberculosis susceptibility. Recent findings: Transcriptomics has been shown to be a useful tool to predict progression from latency to clinical disease while functional genomics has traced the molecular events that link pathogen-triggered gene expression and host genetics. Resistance to infection with Mycobacterium tuberculosis has been revealed to be strongly impacted by host genetics. Host genomics of clinical disease has been shown to be most powerful when focusing on carefully selected clinical entities and possibly by considering host pathogen combinations. Summary: Future studies need to build on the latest molecular findings to define disease subtypes to successfully elucidate the human genetic component in tuberculosis pathogenesis. PMID- 29201560 TI - DNA barcoding reveals the mislabeling of fish in a popular tourist destination in Brazil. AB - The consumption of raw fish has increased considerably in the West, since it is said to be potentially healthier than processed fish (for containing omega 3 and 6, essential amino acids and vitamins). However this potential benefit, as well as the taste, value and even the risk of extinction are not the same for all species of fish, constituting grounds for fraud. Using the principles of the DNA barcode we revealed mislabelling of fish in Japanese restaurants and fishmarkets in Florianopolis, a popular tourist capital in Brazil. We sequenced the COI gene of 65 samples from fisheries and 80 from restaurants and diagnosed 30% of mislabeled samples in fisheries and 26% in restaurants. We discussed that frauds may have occurred for different reasons: to circumvent surveillance on threatened species; to sell fish with sizes smaller than allowed or abundant species as being a much rarer species (law of supply); to induce product consumption using species with better taste. It should be noted that some substitutions are derived from incorrect identification and are not a fraud per se; they are due to confusion of popular names or misunderstanding by the sellers. Therefore, we suggest the implementation of a systematic regulatory program conducted by governmental agencies to reduce mislabelling in order to avoid further damage to the community (in health and financial issues) and fish stocks. PMID- 29201559 TI - Genomic characterization of a new endophytic Streptomyces kebangsaanensis identifies biosynthetic pathway gene clusters for novel phenazine antibiotic production. AB - Background: Streptomyces are well known for their capability to produce many bioactive secondary metabolites with medical and industrial importance. Here we report a novel bioactive phenazine compound, 6-((2-hydroxy-4-methoxyphenoxy) carbonyl) phenazine-1-carboxylic acid (HCPCA) extracted from Streptomyces kebangsaanensis, an endophyte isolated from the ethnomedicinal Portulaca oleracea. Methods: The HCPCA chemical structure was determined using nuclear magnetic resonance spectroscopy. We conducted whole genome sequencing for the identification of the gene cluster(s) believed to be responsible for phenazine biosynthesis in order to map its corresponding pathway, in addition to bioinformatics analysis to assess the potential of S. kebangsaanensis in producing other useful secondary metabolites. Results: The S. kebangsaanensis genome comprises an 8,328,719 bp linear chromosome with high GC content (71.35%) consisting of 12 rRNA operons, 81 tRNA, and 7,558 protein coding genes. We identified 24 gene clusters involved in polyketide, nonribosomal peptide, terpene, bacteriocin, and siderophore biosynthesis, as well as a gene cluster predicted to be responsible for phenazine biosynthesis. Discussion: The HCPCA phenazine structure was hypothesized to derive from the combination of two biosynthetic pathways, phenazine-1,6-dicarboxylic acid and 4-methoxybenzene-1,2 diol, originated from the shikimic acid pathway. The identification of a biosynthesis pathway gene cluster for phenazine antibiotics might facilitate future genetic engineering design of new synthetic phenazine antibiotics. Additionally, these findings confirm the potential of S. kebangsaanensis for producing various antibiotics and secondary metabolites. PMID- 29201561 TI - Phylogeographic and population insights of the Asian common toad (Bufo gargarizans) in Korea and China: population isolation and expansions as response to the ice ages. AB - The effects of ice ages on speciation have been well documented for many European and North American taxa. In contrast, very few studies have addressed the consequences of such environmental and topographical changes in North East Asian species. More precisely, the Korean Peninsula offers a unique model to assess patterns and processes of speciation as it hosts the northern- and eastern-most distribution limit of some widespread Asian taxa. Despite this, studies addressing phylogeographic patterns and population genetics in the peninsula and surrounding countries are few and studies for most families are lacking. Here we inferred the phylogenetic relationships of the common toad (Bufo gargarizans) from South Korea and their North East Asian counterpart populations, based on mitochondrial data. Korean B. gargarizans GenBank BLASTs matched few individuals from nearby China, but the presence of a Korean clade suggests isolation on the Korean Peninsula, previous to the last glacial maximum, linked to sea level resurgence. Molecular clock calibrations within this group were used to date the divergence between clades and their relationship to paleo-climatic events in the area. Lack of genetic structure among South Korean populations and strong homogeneity between the Korean and some Chinese localities suggest weak isolation and recent expansion. Geographical projection of continuous coalescent maximum clade-credibility trees shows an original Chinese expansion towards the Korean Peninsula through the Yellow Sea circa two million years ago with colonisation events dating circa 800 thousand years ago (K. y. a.). Following this colonisation, the data point to outgoing Korean Peninsula dispersal events throughout different periods, towards the North through land, and West through land bridge formations over the Yellow Sea during sea level falls. In accordance, demographic analyses revealed a population expansion in the Koran Peninsula circa 300 K. y. a., likely attributed to glacial cycle fluctuations. PMID- 29201562 TI - Evaluation of potential reference genes for real-time qPCR analysis in a biparental beetle, Lethrus apterus (Coleoptera: Geotrupidae). AB - Hormones play an important role in the regulation of physiological, developmental and behavioural processes. Many of these mechanisms in insects, however, are still not well understood. One way to investigate hormonal regulation is to analyse gene expression patterns of hormones and their receptors by real-time quantitative polymerase chain reaction (RT-qPCR). This method, however, requires stably expressed reference genes for normalisation. In the present study, we evaluated 11 candidate housekeeping genes as reference genes in samples of Lethrus apterus, an earth-boring beetle with biparental care, collected from a natural population. For identifying the most stable genes we used the following computational methods: geNorm, NormFinder, BestKeeper, comparative delta Ct method and RefFinder. Based on our results, the two body regions sampled (head and thorax) differ in which genes are most stably expressed. We identified two candidate reference genes for each region investigated: ribosomal protein L7A and RP18 in samples extracted from the head, and ribosomal protein L7A and RP4 extracted from the muscles of the thorax. Additionally, L7A and RP18 appear to be the best reference genes for normalisation in all samples irrespective of body region. These reference genes can be used to study the hormonal regulation of reproduction and parental care in Lethrus apterus in the future. PMID- 29201563 TI - Facilitative and competitive interaction components among New England salt marsh plants. AB - Intra- and interspecific interactions can be broken down into facilitative and competitive components. The net interaction between two organisms is simply the sum of these counteracting elements. Disentangling the positive and negative components of species interactions is a critical step in advancing our understanding of how the interaction between organisms shift along physical and biotic gradients. We performed a manipulative field experiment to quantify the positive and negative components of the interactions between a perennial forb, Aster tenuifolius, and three dominant, matrix-forming grasses and rushes in a New England salt marsh. Specifically, we asked whether positive and negative interaction components: (1) are unique or redundant across three matrix-forming species (two grasses; Distichlis spicata and Spartina patens, and one rush; Juncus gerardi), and (2) change across Aster life stages (seedling, juvenile, and adult). For adult Aster the strength of the facilitative component of the matrix forb interaction was stronger than the competitive component for two of the three matrix species, leading to net positive interactions. There was no statistically significant variation among matrix species in their net or component effects. We found little difference in the effects of J. gerardi on Aster at later life history stages; interaction component strengths did not differ between juveniles and adults. However, mortality of seedlings in neighbor removal plots was 100%, indicating a particularly strong and critical facilitative effect of matrix species on this forb during the earliest life stages. Overall, our results indicate that matrix forming grasses and rushes have important, yet largely redundant, positive net effects on Aster performance across its life cycle. Studies that untangle various components of interactions and their contingencies are critical to both expanding our basic understanding of community organization, and predicting how natural communities and their component parts will respond to environmental change. PMID- 29201564 TI - An exceptionally preserved armored dinosaur reveals the morphology and allometry of osteoderms and their horny epidermal coverings. AB - Although the evolution and function of "exaggerated" bony projections in ornithischian dinosaurs has been subject to significant debate recently, our understanding of the structure and morphology of their epidermal keratinized coverings is greatly limited. The holotype of Borealopelta, a new nodosaurid ankylosaur, preserves osteoderms and extensive epidermal structures (dark organic residues), in anatomic position across the entire precaudal length. Contrasting previous specimens, organic epiosteodermal scales, often in the form of horn-like (keratinous) sheaths, cap and exaggerate nearly all osteoderms, allowing for morphometric and allometric analyses of both the bony osteoderms and their horny sheaths. A total of 172 osteoderms were quantified, with osteoderm spine length and height being positively allometric with respect to basal length and width. Despite tight correlations between the different measures amongst all other osteoderms, the large parascapular spines represent consistent outliers. Thickness and relative contribution of the keratinized epiosteodermal scales/sheaths varies greatly by region, ranging from 2% to 6% for posterior thoracics, to ~25% (1.3*) for the parascapular spines-similar to horn sheaths in some bovid analogues. Relative to the bony cores, the horny portions of the spines are strongly positively allometric (slope = 2.3, CI = 1.8-2.8). Strong allometric scaling, species-specific morphology, and significant keratinous extension of the cervicoscapular spines is consistent with elaboration under socio-sexual selection. This marks the first allometric analysis of ornithischian soft tissues. PMID- 29201565 TI - Age-based and reproductive biology of the Pacific Longnose Parrotfish Hipposcarus longiceps from Guam. AB - The Pacific longnose parrotfish Hipposcarus longiceps (Valenciennes 1840) represents a prime fishery resource throughout much of the tropical Pacific. In this study, we sampled the species from the Guam commercial fishery market across five consecutive years to characterize reproductive and age-based demographic information imperative for informed fishery management. Compared with other parrotfishes, this species was found to be large-bodied, but has only a moderate life span of 10 + years. Hipposcarus longiceps was confirmed as a diandric protogynous hermaphrodite with highly sex-specific growth patterns and an overall mean asymptotic length of 434 mm fork length (FL). Females were estimated to reach median maturity at 329 mm FL (2.4 years) and have a median length at female to-male sex change of 401 mm FL. Life-history trait values derived here were used to update previous models relating life history and vulnerability to overexploitation. We found that enhancement of just one species' trait values improved model fits considerably, which strengthens the conclusion that life history traits are a strong determinant of species' vulnerability in the parrotfishes. This information is an imperative complement to other data sources facilitating formal stock assessment of a key fishery target. PMID- 29201566 TI - The presence of genes encoding enzymes that digest carbohydrates in coral genomes and analysis of their activities. AB - Numerous enzymes that digest carbohydrates, such as cellulases and chitinases, are present in various organisms (e.g., termites, nematodes, and so on). Recently, the presence of cellulases and chitinases has been reported in marine organisms such as urchin and bivalves, and their several roles in marine ecosystems have been proposed. In this study, we reported the presence of genes predicted to encode proteins similar to cellulases and chitinases in the genome of the coral Acropora digitifera, their gene expression patterns at various life stages, and cellulose- and chitin-degrading enzyme activities in several coral species (A. digitifera, Galaxea fascicularis, Goniastrea aspera, Montipora digitata, Pavona divaricata, Pocillopora damicornis, and Porites australiensis). Our gene expression analysis demonstrated the expressions of these cellulase- and chitinase-like genes during various life stages, including unfertilized eggs, fertilized eggs, zygotes, planula larvae, primary polyps and adults of A. digitifera. Agar plate assays confirmed cellulase and chitinase activities in the tissues extracted from adult branches of several coral species. These results suggested that corals are able to utilize cellulases and chitinases in their life histories. PMID- 29201567 TI - The zebrafish as a model system for analyzing mammalian and native alpha crystallin promoter function. AB - Previous studies have used the zebrafish to investigate the biology of lens crystallin proteins and their roles in development and disease. However, little is known about zebrafish alpha-crystallin promoter function, how it compares to that of mammals, or whether mammalian alpha-crystallin promoter activity can be assessed using zebrafish embryos. We injected a variety of alpha-crystallin promoter fragments from each species combined with the coding sequence for green fluorescent protein (GFP) into zebrafish zygotes to determine the resulting spatiotemporal expression patterns in the developing embryo. We also measured mRNA levels and protein abundance for all three zebrafish alpha-crystallins. Our data showed that mouse and zebrafish alphaA-crystallin promoters generated similar GFP expression in the lens, but with earlier onset when using mouse promoters. Expression was also found in notochord and skeletal muscle in a smaller percentage of embryos. Mouse alphaB-crystallin promoter fragments drove GFP expression primarily in zebrafish skeletal muscle, with less common expression in notochord, lens, heart and in extraocular regions of the eye. A short fragment containing only a lens-specific enhancer region increased lens and notochord GFP expression while decreasing muscle expression, suggesting that the influence of mouse promoter control regions carries over into zebrafish embryos. The two paralogous zebrafish alphaB-crystallin promoters produced subtly different expression profiles, with the aBa promoter driving expression equally in notochord and skeletal muscle while the alphaBb promoter resulted primarily in skeletal muscle expression. Messenger RNA for zebrafish alphaA increased between 1 and 2 days post fertilization (dpf), alphaBa increased between 4 and 5 dpf, but alphaBb remained at baseline levels through 5 dpf. Parallel reaction monitoring (PRM) mass spectrometry was used to detect alphaA, aBa, and alphaBb peptides in digests of zebrafish embryos. In whole embryos, alphaA-crystallin was first detected by 2 dpf, peaked in abundance by 4-5 dpf, and was localized to the eye. alphaBa was detected in whole embryo at nearly constant levels from 1-6 dpf, was also localized primarily to the eye, and its abundance in extraocular tissues decreased from 4-7 dpf. In contrast, due to its low abundance, no alphaBb protein could be detected in whole embryo, or dissected eye and extraocular tissues. Our results show that mammalian alpha-crystallin promoters can be efficiently screened in zebrafish embryos and that their controlling regions are well conserved. An ontogenetic shift in zebrafish aBa-crystallin promoter activity provides an interesting system for examining the evolution and control of tissue specificity. Future studies that combine these promoter based approaches with the expanding ability to engineer the zebrafish genome via techniques such as CRISPR/Cas9 will allow the manipulation of protein expression to test hypotheses about lens crystallin function and its relation to lens biology and disease. PMID- 29201568 TI - Diagnostic value of serum procalcitonin, lactate, and high-sensitivity C-reactive protein for predicting bacteremia in adult patients in the emergency department. AB - Background: Few studies compared the diagnostic value of procalcitonin with a combination of other tests including lactate and high-sensitivity C-reactive protein in the prediction of pathogenic bacteremia in emergency department adult patients. Methods: We performed a retrospective study assessing the differences in performances of procalcitonin at a cutoff of 0.5 ng/mL, lactate at a cutoff of 19.8 mg/dL, high-sensitivity C-reactive protein at a cutoff of 0.8 mg/dL and their combinations for predicting bacteremia in emergency department adult patients. Sensitivity, specificity, overall accuracy, positive-test and negative test likelihood, and diagnostic odds ratio with 95% confidence interval for each test combination were calculated for comparison. The receiver operating characteristic curve for every single test were compared using DeLong's method. We also performed a sensitivity analysis in two expanded patient cohorts to assess the discriminative ability of procalcitonin or test combination. Results: A total of 886 patients formed the initial patient cohort. The area under the receiver operating characteristic curve for discriminating positive blood culture was: procalcitonin = 0.72 (95% CI [0.69-0.75]) with a derived optimal cutoff at 3.9 ng/mL; lactate 0.69 (0.66-0.72) with an optimal cutoff at 17.9 mg/dL; high sensitivity C-reactive protein 0.56 (0.53-0.59) with an optimal cutoff of 13 mg/dL; with pairwise comparisons showing statistically significant better performance of either procalcitonin or lactate outperforming high-sensitivity C reactive protein. To predict positive blood cultures, the diagnostic odds ratio for procalcitonin was 3.64 (95% CI [2.46-5.51]), lactate 2.93 (2.09-4.14), and high-sensitivity C-reactive protein 0.91 (0.55-1.55; P = 0.79). About combined tests, the diagnostic odds ratio for procalcitonin and lactate increases were 3.98 (95% CI [2.81-5.63]) for positive blood culture prediction. Elevated procalcitonin level rendered a six-fold increased risk of positive gram-negative bacteremia with a diagnostic odds ratio of 6.44 (95% CI [3.65-12.15]), which showed no further improvement in any test combinations. In the sensitivity analysis, as a single test to predict unspecified, gram-negative and gram positive bacteremia, procalcitonin performed even better in an expanded cohort of 2,234 adult patients in terms of the diagnostic odds ratio. Discussions: For adult emergency patients, procalcitonin has an acceptable discriminative ability for bacterial blood culture and a better discriminative ability for gram-negative bacteremia when compared with lactate and high-sensitivity C-reactive protein. High-sensitivity C-reactive protein at a cutoff of 0.8 mg/dL performed poorly for the prediction of positive bacterial culture. PMID- 29201569 TI - Denitrifying metabolism of the methylotrophic marine bacterium Methylophaga nitratireducenticrescens strain JAM1. AB - Background: Methylophaga nitratireducenticrescens strain JAM1 is a methylotrophic, marine bacterium that was isolated from a denitrification reactor treating a closed-circuit seawater aquarium. It can sustain growth under anoxic conditions by reducing nitrate ([Formula: see text]) to nitrite ([Formula: see text]). These physiological traits are attributed to gene clusters that encode two dissimilatory nitrate reductases (Nar). Strain JAM1 also contains gene clusters encoding two nitric oxide (NO) reductases and one nitrous oxide (N2O) reductase, suggesting that NO and N2O can be reduced by strain JAM1. Here we characterized further the denitrifying activities of M. nitratireducenticrescens JAM1. Methods: Series of oxic and anoxic cultures of strain JAM1 were performed with N2O, [Formula: see text] or sodium nitroprusside, and growth and N2O, [Formula: see text], [Formula: see text] and N2 concentrations were measured. Ammonium ([Formula: see text])-free cultures were also tested to assess the dynamics of N2O, [Formula: see text] and [Formula: see text]. Isotopic labeling of N2O was performed in 15NH4+-amended cultures. Cultures with the JAM1DeltanarG1narG2 double mutant were performed to assess the involvement of the Nar systems on N2O production. Finally, RT-qPCR was used to measure the gene expression levels of the denitrification genes cytochrome bc-type nitric oxide reductase (cnorB1 and cnorB2) and nitrous oxide reductase (nosZ), and also nnrS and norR that encode NO-sensitive regulators. Results: Strain JAM1 can reduce NO to N2O and N2O to N2 and can sustain growth under anoxic conditions by reducing N2O as the sole electron acceptor. Although strain JAM1 lacks a gene encoding a dissimilatory [Formula: see text] reductase, [Formula: see text]-amended cultures produce N2O, representing up to 6% of the N-input. [Formula: see text] was shown to be the key intermediate of this production process. Upregulation in the expression of cnorB1, cnorB2, nnrS and norR during the growth and the N2O accumulation phases suggests NO production in strain JAM1 cultures. Discussion: By showing that all the three denitrification reductases are active, this demonstrates that M. nitratireducenticrescens JAM1 is one of many bacteria species that maintain genes associated primarily with denitrification, but not necessarily related to the maintenance of the entire pathway. The reason to maintain such an incomplete pathway could be related to the specific role of strain JAM1 in the denitrifying biofilm of the denitrification reactor from which it originates. The production of N2O in strain JAM1 did not involve Nar, contrary to what was demonstrated in Escherichia coli. M. nitratireducenticrescens JAM1 is the only reported Methylophaga species that has the capacity to grow under anoxic conditions by using [Formula: see text] and N2O as sole electron acceptors for its growth. It is also one of a few marine methylotrophs that is studied at the physiological and genetic levels in relation to its capacity to perform denitrifying activities. PMID- 29201570 TI - Impacts of diarrhea on the immune system, intestinal environment, and expression of PGRPs in New Zealand rabbits. AB - Diarrhea is a syndrome of digestive disorders in young rabbits and may lead to secondary infections resulting in reduced immunity and higher mortality in baby rabbits, with serious impacts on rabbit farming. In this study, we investigated the effects of diarrhea on the health of baby rabbits in terms of intestinal mucosal development, immune function, and intestinal microbial diversity. We found that the duodenal villus length and the villus/crypt ratio in rabbits with diarrhea were significantly reduced compared with those in healthy rabbits (P < 0.01). Rabbits with diarrhea had significantly lower concentrations of acetic acid (P < 0.05), higher pH levels (P < 0.05), and higher levels of ammonia nitrogen (P < 0.01) in the cecum. Moreover, diarrhea in baby rabbits led to significantly reduced levels of total serum protein (P < 0.05) and markedly increased levels of alkaline phosphatase, urea nitrogen, TNF-alpha, and IL-6 (P < 0.05). Transcriptional analysis of peptidoglycan recognition proteins (PGRPs, including PGLYRP-1, PGLYRP-2, and PGLYRP-3) using real-time PCR revealed that diarrhea induced the upregulation of PGRPs in the cecum and duodenum. Furthermore, through pyrosequencing of the 16S rRNA V4 region in cecum samples, we found that the total number and diversity of microbes were not significantly different between healthy rabbits and those with diarrhea, though there were noticeable differences in the prevalences of Clostridium, Roseburia, and Alistipes. Our results will contribute to a better understanding of the pathological mechanisms of diarrhea in young rabbits. PMID- 29201572 TI - Geological duration of ammonoids controlled their geographical range of fossil distribution. AB - The latitudinal distributions in Devonian-Cretaceous ammonoids were analyzed at the genus level, and were compared with the hatchling sizes (i.e., ammonitella diameters) and the geological durations. The results show that (1) length of temporal ranges of ammonoids effected broader ranges of fossil distribution and paleobiogeography of ammonoids, and (2) the hatchling size was not related to the geographical range of fossil distribution of ammonoids. Reducing the influence of geological duration in this analysis implies that hatchling size was one of the controlling factors that determined the distribution of ammonoid habitats at any given period in time: ammonoids with smaller hatchling sizes tended to have broader ammonoid habitat ranges. These relationships were somewhat blurred in the Devonian, Carboniferous, Triassic, and Jurassic, which is possibly due to (1) the course of development of a reproductive strategy with smaller hatchling sizes in the Devonian and (2) the high origination rates after the mass extinction events. PMID- 29201571 TI - Transcriptomic profiling of mTOR and ryanodine receptor signaling molecules in developing zebrafish in the absence and presence of PCB 95. AB - The mechanistic target of rapamycin (mTOR) and ryanodine receptor (RyR) signaling pathways regulate fundamental processes of neurodevelopment, and genetic mutations within these pathways have been linked to neurodevelopmental disorders. While previous studies have established that these signaling molecules are expressed in developing zebrafish, a detailed characterization of the ontogenetic profile of these signaling molecules is lacking. Thus, we evaluated the spatiotemporal expression of key transcripts in mTOR and RyR signaling pathways in wildtype zebrafish at 24, 72 and 120 hours post fertilization (hpf). We further determined whether transcriptional profiles of a subset of genes in both pathways were altered by exposure to PCB 95 (2,2',3,5',6-pentachlorobiphenyl), a pervasive environmental contaminant known to cause developmental neurotoxicity in mammalian systems via RyR-dependent mechanisms. Quantitative PCR revealed that transcription generally increased across development. Genes in the signaling pathway upstream of the mTORC1 complex, and the RyR-paralogs, ryr2a and ryr3, were robustly upregulated, and in situ hybridization of ryr3 coincided with a transcriptional shift from muscle to neuronal tissue after 24 hpf. Static waterborne exposure to PCB 95 beginning at 6 hpf significantly altered transcription of genes in both pathways. These changes were concentration- and time-dependent, and included downregulation of rptor, a member of the mTORC1 complex, at both 72 and 120 hpf, and increased transcript levels of the RyR paralog ryr2b and downstream target of RyR signaling, Wingless-type 2ba (wnt2ba) at 72 hpf. The detailed transcriptomic profiling of key genes within these two signaling pathways provides a baseline for identifying other environmental factors that modify normal spatiotemporal expression patterns of mTOR and RyR signaling pathways in the developing zebrafish, as illustrated here for PCB 95. PMID- 29201573 TI - On the relationship between tumour growth rate and survival in non-small cell lung cancer. AB - A recurrent question within oncology drug development is predicting phase III outcome for a new treatment using early clinical data. One approach to tackle this problem has been to derive metrics from mathematical models that describe tumour size dynamics termed re-growth rate and time to tumour re-growth. They have shown to be strong predictors of overall survival in numerous studies but there is debate about how these metrics are derived and if they are more predictive than empirical end-points. This work explores the issues raised in using model-derived metric as predictors for survival analyses. Re-growth rate and time to tumour re-growth were calculated for three large clinical studies by forward and reverse alignment. The latter involves re-aligning patients to their time of progression. Hence, it accounts for the time taken to estimate re-growth rate and time to tumour re-growth but also assesses if these predictors correlate to survival from the time of progression. I found that neither re-growth rate nor time to tumour re-growth correlated to survival using reverse alignment. This suggests that the dynamics of tumours up until disease progression has no relationship to survival post progression. For prediction of a phase III trial I found the metrics performed no better than empirical end-points. These results highlight that care must be taken when relating dynamics of tumour imaging to survival and that bench-marking new approaches to existing ones is essential. PMID- 29201574 TI - Penetrating Orbital Injuries: A Review. AB - Penetrating injuries to the orbit represent a small but very complicated portion of head injuries. Because of the close proximity to many vital structures, any penetrating orbital injury requires a multidisciplinary follow-up. Cases of penetrating injuries have flooded the literature, but no one has presented a systematic approach to the complications associated with these types of injuries. Herein, we present the complications associated with each orbital entry mode: superior, inferior, medial, lateral rims of the orbit, and extraorbital entry. PMID- 29201576 TI - Anatomical Study of the Zygomaticotemporal Branch Inside the Orbit. AB - The location of the opening of the zygomaticotemporal branch (ZTb) of the zygomatic nerve inside the orbit (ZTFIN) has significant surgical implications. This study was conducted to locate the ZTFIN and investigate the variations of the ZTb inside the orbit. A total of 20 sides from 10 fresh frozen cadaveric Caucasian heads were used in this study. The vertical distance between the inferior margin of the orbit and ZTFIN (V-ZTFIN), the horizontal distance between the lateral margin of the orbit and ZTFIN (H-ZTFIN), and the diameter of the ZTFIN (D-ZTFIN) were measured. The patterns of the ZTb inside the orbit were classified into five different groups: both ZTb and LN innervating the lacrimal gland independently (Group A), both ZTb and LN innervating the lacrimal gland with a communicating branch (Group B), ZTb joining the LN without a branch to the lacrimal gland (Group C), the ZTb going outside the orbit through ZTFIN without a branch to the lacrimal gland nor LN (Group D), and absence of the ZTb (Group E). The D-ZTFIN V-ZTFIN H-ZTFIN ranged from 0.2 to 1.1 mm, 6.6 to 21.5 mm, 2.0 to 11.3 mm, respectively. The number of sides in Groups A, B, C, D, and E were 13 sides (65%), three sides (15%), none (0%), two sides (10%), and two sides (10%), respectively. Such anatomical knowledge might reduce complications following surgery in and around the ZTb. PMID- 29201575 TI - Clinical and Echocardiographic Follow-up after Successful Percutaneous Transvenous Mitral Commissurotomy. AB - Background The objective of the study was to determine the long-term outcomes, including mitral restenosis and regurgitation, after successful percutaneous transvenous mitral commissurotomy (PTMC). Methods This cross-sectional prospective study was conducted at the cardiology department of Lady Reading Hospital, Peshawar, Pakistan, from January 2007 to December 2009. A total of 84 patients were followed up for a period of 96 months. Pre and post percutaneous transvenous mitral commissurotomy echocardiography was done on the mitral valve area (MVA) using two-dimensional (2D) and color doppler echocardiography. Patients who had successful PTMC were followed up for MVA loss, mitral regurgitation (MR), and cardiac death. SPSS Software (IBM SPSS Statistics for Windows, Version 22.0, Armonk, NY: IBM Corp.; 2013) was used for data analysis. Results Of the 84 patients, 21 were male, and 63 were females. The mean age was 35 +/- 11 years. After PTMC, the mean valve two-dimensional area increased from 0.84 +/- 0.13 to 1.83 +/- 0.49 cm2 (p value <0.001). MR was mild in 49 patients (62.8%), moderate in 27 patients (34.6%), and severe in two patients (2.6%). Good results were achieved in 60 (71.4%). Patients with good results were younger (24 +/- 4), and had a relatively lower Wilkin's score, with a mean value of (8.4 +/- 2.8). Follow-up events were death in six patients, mitral valve replacement (MVR) in 10 patients, and restenosis in seven patients. The Kaplan-Meier curve was used for the follow-up end points. Patient who required PTMC for mitral restenosis survived for a longer time than those requiring MVR, and those who had cardiac death due to severe pulmonary hypertension or heart failure. Conclusion Patients who had favorable Wilkin's score and underwent PTMC for severe symptomatic mitral stenosis had better event-free survival in the long term follow-up. PMID- 29201577 TI - Orbital Blowout Fracture with Complete Dislocation of the Globe into the Maxillary Sinus. AB - This rare case report describes the diagnosis and treatment of an isolated left sided orbital floor fracture with a complete dislocation of the globe into the maxillary sinus and briefly discusses the indications of surgery and recovery for orbital floor fractures in general. Complete herniation of the globe through an orbital blow-out fracture is uncommon. However, the current case illustrates that such an occurrence should be in the differential diagnosis and should be considered, especially following high speed/impact injuries involving a foreign object. In these rare cases, surgical intervention is required. PMID- 29201578 TI - Vertebral Compression Fractures after Lumbar Instrumentation. AB - Lumbar spinal stenosis (LSS) is primarily found in an older population. This is a similar demographic group that develops both osteoporosis and vertebral compression fractures (VCF). This report reviewed a series of patients treated for VCF that had previous lumbar surgery for symptomatic spinal stenosis. Patients that only underwent laminectomy or fusion without instrumentation had a similar distribution of VCF as the non-surgical population in the mid-thoracic, or lower thoracic and upper lumbar spine. However, in the patients that had previous short-segment spinal instrumentation, fractures were found to be located more commonly in the mid-lumbar spine or sacrum adjacent to or within one or two spinal segments of the spinal instrumentation. Adjacent-level fractures that occur due to vertebral osteoporosis after long spinal segment instrumentation has been discussed in the literature. The purpose of this report is to highlight the previously unreported finding of frequent lumbar and sacral osteoporotic fractures in post-lumbar instrumentation surgery patients. Important additional factors found were lack of preventative medical treatment for osteoporosis, and secondary effects related to inactivity, especially during the first year after surgery. PMID- 29201579 TI - Overtube-Assisted Foreign Body Removal: A Review of Endoscopic Management and Case Illustration. AB - The ingestion of foreign bodies is a common medical emergency seen in both adults and children. In children, the most commonly ingested foreign bodies include coins, toys, magnets, and batteries. In adults, food bolus impaction represents the most common cause of foreign body ingestion. The majority of foreign bodies pass spontaneously. Sharp or pointed objects increase the risk of perforation. Emergent endoscopic intervention is indicated in cases of esophageal obstruction, ingestion of disk batteries, and sharp pointed objects in the esophagus. Flexible endoscopy is the therapeutic method of choice for removing foreign bodies. It is preferred due to its high success rate and low risk for complications. Additionally, the use of an overtube provides gastric and esophageal protection from mucosal laceration. We present a 27-year-old male who ingested six razor blades and a curtain hook and review endoscopic management. PMID- 29201580 TI - Multimodality 3D Superposition and Automated Whole Brain Tractography: Comprehensive Printing of the Functional Brain. AB - Whole brain tractography using diffusion tensor imaging (DTI) sequences can be used to map cerebral connectivity; however, this can be time-consuming due to the manual component of image manipulation required, calling for the need for a standardized, automated, and accurate fiber tracking protocol with automatic whole brain tractography (AWBT). Interpreting conventional two-dimensional (2D) images, such as computed tomography (CT) and magnetic resonance imaging (MRI), as an intraoperative three-dimensional (3D) environment is a difficult task with recognized inter-operator variability. Three-dimensional printing in neurosurgery has gained significant traction in the past decade, and as software, equipment, and practices become more refined, trainee education, surgical skills, research endeavors, innovation, patient education, and outcomes via valued care is projected to improve. We describe a novel multimodality 3D superposition (MMTS) technique, which fuses multiple imaging sequences alongside cerebral tractography into one patient-specific 3D printed model. Inferences on cost and improved outcomes fueled by encouraging patient engagement are explored. PMID- 29201581 TI - Contrast Enhancement of Aneurysm Sac Post-Pipeline Treatment Interpreted as Recanalization. AB - Multiple imaging modalities are available to evaluate aneurysms post-flow diverter (FD) placement. Though digital subtraction angiography (DSA) is the gold standard imaging modality post-FD placement, it is not perfect, and neither are other techniques, including contrast-enhanced magnetic resonance angiography (CE MRA) and magnetic resonance imaging (MRI). We present a case of a 73-year-old woman with a right internal carotid artery (ICA) aneurysm treated with a pipeline embolization device (PED). Initial follow-up post-PED placement by three dimensional time-of-flight (3D-TOF) MRA demonstrated aneurysm occlusion, which was confirmed by computed tomography angiography (CTA) and CE-MRA in subsequent follow-up appointments. However, repeat CE-MRA two years later suggested recanalization of the aneurysm. After discussion with neuroradiologists and follow-up with a dynamic MRA, this finding was determined to be false. These findings shed light on the potential pitfall of using CE-MRA alone or any single imaging modality in the assessment of aneurysms post-PED placement. Our case report explores various imaging modalities used in the assessment of aneurysms post-PED placement and highlights the need to use multiple techniques for an accurate assessment. PMID- 29201582 TI - Dissolved organic carbon fluxes in the Middle Atlantic Bight: An integrated approach based on satellite data and ocean model products. AB - Continental margins play an important role in global carbon cycle, accounting for 15-21% of the global marine primary production. Since carbon fluxes across continental margins from land to the open ocean are not well constrained, we undertook a study to develop satellite algorithms to retrieve dissolved organic carbon (DOC) and combined these satellite data with physical circulation model products to quantify the shelf boundary fluxes of DOC for the U.S. Middle Atlantic Bight (MAB). Satellite DOC was computed through seasonal relationships of DOC with colored dissolved organic matter absorption coefficients, which were derived from an extensive set of in situ measurements. The multiyear time series of satellite-derived DOC stocks (4.9 Teragrams C; Tg) shows that freshwater discharge influences the magnitude and seasonal variability of DOC on the continental shelf. For the 2010-2012 period studied, the average total estuarine export of DOC into the MAB shelf is 0.77 Tg C yr-1 (year). The integrated DOC tracer fluxes across the shelf boundaries are 12.1 Tg C yr-1 entering the MAB from the southwest alongshore boundary, 18.5 Tg C yr-1 entering the MAB from the northeast alongshore boundary, and 29.0 Tg C yr-1 flowing out of the MAB across the entire length of the 100 m isobath. The magnitude of the cross-shelf DOC flux is quite variable in time (monthly) and space (north to south). The highly dynamic exchange of water along the shelf boundaries regulates the DOC budget of the MAB at subseasonal time scales. PMID- 29201583 TI - Spectral slopes of the absorption coefficient of colored dissolved and detrital material inverted from UV-visible remote sensing reflectance. AB - The spectral slope of the absorption coefficient of colored dissolved and detrital material (CDM), Scdm (units: nm-1), is an important optical parameter for characterizing the absorption spectral shape of CDM. Although highly variable in natural waters, in most remote sensing algorithms, this slope is either kept as a constant or empirically modeled with multiband ocean color in the visible domain. In this study, we explore the potential of semianalytically retrieving Scdm with added ocean color information in the ultraviolet (UV) range between 360 and 400 nm. Unique features of hyperspectral remote sensing reflectance in the UV visible wavelengths (360-500 nm) have been observed in various waters across a range of coastal and open ocean environments. Our data and analyses indicate that ocean color in the UV domain is particularly sensitive to the variation of the CDM spectral slope. Here, we used a synthesized data set to show that adding UV wavelengths to the ocean color measurements will improve the retrieval of Scdm from remote sensing reflectance considerably, while the spectral band settings of past and current satellite ocean color sensors cannot fully account for the spectral variation of remote sensing reflectance. Results of this effort support the concept to include UV wavelengths in the next generation of satellite ocean color sensors. PMID- 29201584 TI - The warmer the ocean surface, the shallower the mixed layer. How much of this is true? AB - Ocean surface warming is commonly associated with a more stratified, less productive, and less oxygenated ocean. Such an assertion is mainly based on consistent projections of increased near-surface stratification and shallower mixed layers under global warming scenarios. However, while the observed sea surface temperature (SST) is rising at midlatitudes, the concurrent ocean record shows that stratification is not unequivocally increasing nor is MLD shoaling. We find that while SST increases at three study areas at midlatitudes, stratification both increases and decreases, and MLD deepens with enhanced deepening of winter MLDs at rates over 10 m decade-1. These results rely on the estimation of several MLD and stratification indexes of different complexity on hydrographic profiles from long-term hydrographic time-series, ocean reanalysis, and Argo floats. Combining this information with estimated MLDs from buoyancy fluxes and the enhanced deepening/attenuation of the winter MLD trends due to changes in the Ekman pumping, MLD variability involves a subtle interplay between circulation and atmospheric forcing at midlatitudes. Besides, it is highlighted that the density difference between the surface and 200 m, the most widely used stratification index, should not be expected to reliably inform about changes in the vertical extent of mixing. PMID- 29201585 TI - Effects of iron nanoparticles on iron-corroding bacteria. AB - The toxicological effects of Fe3O4 nanoparticles were evaluated with an iron corroding bacterium (ICB) for preventing the biocorrosion of iron. Fe3O4 nanoparticles of 18 nm were successfully prepared and characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) patterns and scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS). A halophilic ICB strain L4 was isolated from Ribandar saltpan Goa, India and identified biochemically and by 16S rRNA gene sequence analysis as Halanaerobium sp. The Fe3O4 nanoparticles in increasing doses (0.1-100 mg/L) caused transformation in growth and sulfide production of ICB strain L4. SEM-EDS analysis revealed a deformed cell structure with adsorption of nanoparticle on the cell surface and increased cell size. Comet assay revealed genotoxic effect of Fe3O4 nanoparticles on strain L4 which resulted in dose-dependent DNA damage by increasing percentage tail DNA from 5 to 88% with increasing Fe3O4 nanoparticles concentration. Furthermore, sulfide production rate was reduced to 11.8% in presence of 100 mg/L Fe3O4 nanoparticles which reduced the corroding property of ICB strain L4; thus, it was unable to corrode the iron nail in presence of Fe3O4 nanoparticle. This work suggests the possible application of Fe3O4 nanoparticle in addressing biocorrosion problems faced by different industries. PMID- 29201586 TI - Silicon bioavailability in exocarp of Cucumis sativus Linn. AB - Scanning electron microscopy (SEM) and electron probe micro-analyzer (EPMA) techniques have been used to detect the silicon bioavailability in the exocarp of warty cucumber surface. Warts appear at the time of anthesis and are remnant part of spines/trichomes which on further fruit maturation abscised from the exocarp. Results of EPMA and phytolith analysis clearly revealed that the surface of exocarp (fruit) of Cucumis sativus Linn. containing warts has greater quantity of silicon as compared to the other part of the fruit. Besides silicon, some other elements were also found, on the fruit exocarp and its surrounding area. The other elements are magnesium (Mg), aluminum (Al), phosphorus (P), sulfur (S), potassium (K), calcium (Ca), iron (Fe), nickel (Ni), copper (Cu), and sodium. The percentage of silica is highest followed by Ni, Ca, Al, P, Mg, Fe, S, Cu, K, and Cl. Thus, this study clearly demonstrates that Cucumis sativus Linn. fruits which are used as salads and appetizers on daily basis are loaded with silicon and other useful elements and possess numerous health benefits. PMID- 29201587 TI - Quinolone-resistant clinical strains of Pseudomonas aeruginosa isolated from University Hospital in Tunisia. AB - In this study, we examined mutations in the quinolone resistance-determining regions (QRDRs) of the gyrA and parC genes of Pseudomonas aeruginosa (P. aeruginosa) clinical isolates collected from patients hospitalized in University Hospital of Monastir, Tunisia. A total of 81 P. aeruginosa strains, obtained from clinical specimens, were included in the present study. Isolates were tested against 11 different antibiotics by a disk diffusion method. Minimum inhibitory concentrations (MICs) of ciprofloxacin were evaluated by E test method. The gyrA and parC sequences genes amplified by polymerase chain reaction (PCR) were sequenced. The highest resistance rates were found for ciprofloxacin (100%), gentamicin (96%) and ticarcillin (93%). The lower resistance rates were obtained for imipenem (74%) and ceftazidime (70%). Notably, 54% of isolates resistant to ciprofloxacin were determined to be multi-drug resistant. The investigation of mutations in the nucleotide sequences of the gyrA and parC genes showed that 77% of isolates have a single mutation in both gyrA (Thr-83 -> Ile) and parC (Ser-87 > Leu). The emergence of ciprofloxacin resistance in clinical P. aeruginosa requires the establishment of appropriate antibiotherapy strategies in order to prescribe the most effective antibiotic treatment for preventing the emergence of multi-drug-resistant (MDR) P. aeruginosa strains. PMID- 29201588 TI - Reminders make people adhere better to a self-help sleep intervention. AB - The experiment presented in this paper investigated the effects of different kinds of reminders on adherence to automated parts of a cognitive behavioural therapy for insomnia (CBT-I) delivered via a mobile device. Previous studies report that computerized health interventions can be effective. However, treatment adherence is still an issue. Reminders are a simple technique that could improve adherence. A minimal intervention prototype in the realm of sleep treatment was developed to test the effects of reminders on adherence. Two prominent ways to determine the reminder-time are: a) ask users when they want to be reminded, and b) let an algorithm decide when to remind users. The prototype consisted of a sleep diary, a relaxation exercise and reminders. A within subject design was used in which the effect of reminders and two underlying principles were tested by 45 participants that all received the following three different conditions (in random order): a) event-based reminders b) time-based reminders c) no reminders. Both types of reminders improved adherence compared to no reminders. No differences were found between the two types of reminders. Opportunity and self-empowerment could partly mediate adherence to filling out the sleep diary, but not to the number of relaxation exercises conducted. Although the study focussed on CBT-I, we expect that designers of other computerized health interventions benefit from the tested opportunity and self empowerment principles for reminders to improve adherence, as well. PMID- 29201589 TI - Designing an ICT self-management service: suggestions from persons with type 2 diabetes. AB - This paper reports the wishes and needs of people with type 2 diabetes (T2DM) for a future information and communication technology (ICT) self-management service to help manage their condition and their everyday life. Diabetes is a chronic disease affecting more and more people and placing increasing demands on health care. The self-management of diabetes includes instrumental and, decision-making skills and skills in managing daily activities, which may be supported by an ICT service. In this study we used a participatory design including two sessions of Future Workshop (FW) as part of a larger research project on the self-management of diabetes. Adults with type 2 diabetes participated in two FW sessions in which their expressed wishes and needs for an ICT service all fell under the broad category of Acceptance of the diagnosis, with three other suggestions; Trust in partnerships, Communication, and Individualized information. The participants' experience of the FW as a democratic process and their appreciation of mutual learning contributed to these results, which are consistent with the aims of person-centred care. PMID- 29201590 TI - Investigating pH based evaluation of fetal heart rate (FHR) recordings. AB - Cardiotocography (CTG) is a standard tool for the assessment of fetal well-being during pregnancy and delivery. However, its interpretation is associated with high inter- and intra-observer variability. Since its introduction there have been numerous attempts to develop computerized systems assisting the evaluation of the CTG recording. Nevertheless these systems are still hardly used in a delivery ward. Two main approaches to computerized evaluation are encountered in the literature; the first one emulates existing guidelines, while the second one is more of a data-driven approach using signal processing and computational methods. The latter employs preprocessing, feature extraction/selection and a classifier that discriminates between two or more classes/conditions. These classes are often formed using the umbilical cord artery pH value measured after delivery. In this work an approach to Fetal Heart Rate (FHR) classification using pH is presented that could serve as a benchmark for reporting results on the unique open-access CTU-UHB CTG database, the largest and the only freely available database of this kind. The overall results using a very small number of features and a Least Squares Support Vector Machine (LS-SVM) classifier, are in accordance to the ones encountered in the literature and outperform the results of a baseline classification scheme proving the utility of using advanced data processing methods. Therefore the achieved results can be used as a benchmark for future research involving more informative features and/or better classification algorithms. PMID- 29201592 TI - Understanding Rates of Marijuana Use and Consequences Among Adolescents in a Changing Legal Landscape. AB - Purpose of Review: There is not one answer to address whether marijuana use has increased, decreased, or stayed the same given changes in state legalization of medical and non-medical marijuana in the USA. Recent Findings: Evidence suggests some health benefits for medical marijuana; however, initiation of marijuana use is a risk factor for developing problem cannabis use. Though use rates have remained stable over recent years, about one in three 10th graders report marijuana use, most adolescents do not view the drug as harmful, and over 650,000 youth aged 12 to 17 struggle with cannabis use disorder. Summary: Although the health benefits of medical marijuana are becoming better understood, more research is needed. Intervention and prevention programs must better address effects of marijuana, acknowledging that while there may be some benefits medically, marijuana use can affect functioning during adolescence when the brain is still developing. PMID- 29201591 TI - Optofluidic bioanalysis: fundamentals and applications. AB - Over the past decade, optofluidics has established itself as a new and dynamic research field for exciting developments at the interface of photonics, microfluidics, and the life sciences. The strong desire for developing miniaturized bioanalytic devices and instruments, in particular, has led to novel and powerful approaches to integrating optical elements and biological fluids on the same chip-scale system. Here, we review the state-of-the-art in optofluidic research with emphasis on applications in bioanalysis and a focus on waveguide based approaches that represent the most advanced level of integration between optics and fluidics. We discuss recent work in photonically reconfigurable devices and various application areas. We show how optofluidic approaches have been pushing the performance limits in bioanalysis, e.g. in terms of sensitivity and portability, satisfying many of the key requirements for point-of-care devices. This illustrates how the requirements for bianalysis instruments are increasingly being met by the symbiotic integration of novel photonic capabilities in a miniaturized system. PMID- 29201593 TI - A Policy Perspective on the Global Use of Smokeless Tobacco. AB - Background: Globally, over 300 million people consume diverse smokeless tobacco (ST) products. They are addictive, cause cancer, increased cardiovascular mortality risks and poor pregnancy outcomes. Purpose of Review: To identify gaps in implementing key ST demand-reduction measures, focused literature reviews were conducted and findings synthesized according to relevant WHO Framework Convention on Tobacco Control (FCTC) Articles. Recent Findings: The literature supports implementation of ST demand-reduction measures. For taxation, labelling and packaging, most administrations have weaker policies for ST than cigarettes. Capacity to regulate ST contents and offer cessation support is lacking. There is poor compliance with bans on ST advertising, promotion and sponsorship. Summary: The literature on implementation of WHO FCTC for ST is limited. Although strengths of ST demand-control activities are currently identifiable from available literature, full implementation of FCTC is lacking. A wider evidence based response to WHO FCTC is proposed, particularly for countries facing the greatest disease burdens. PMID- 29201594 TI - Translational Genetic Modelling of 3D Craniofacial Dysmorphology: Elaborating the Facial Phenotype of Neurodevelopmental Disorders Through the "Prism" of Schizophrenia. AB - Purpose of Review: In the context of human developmental conditions, we review the conceptualisation of schizophrenia as a neurodevelopmental disorder, the status of craniofacial dysmorphology as a clinically accessible index of brain dysmorphogenesis, the ability of genetically modified mouse models of craniofacial dysmorphology to inform on the underlying dysmorphogenic process and how geometric morphometric techniques in mutant mice can extend quantitative analysis. Recent Findings: Mutant mice with disruption of neuregulin-1, a gene associated meta-analytically with risk for schizophrenia, constitute proof-of concept studies of murine facial dysmorphology in a manner analogous to clinical studies in schizophrenia. Geometric morphometric techniques informed on the topography of facial dysmorphology and identified asymmetry therein. Summary: Targeted disruption in mice of genes involved in individual components of developmental processes and analysis of resultant facial dysmorphology using geometric morphometrics can inform on mechanisms of dysmorphogenesis at levels of incisiveness not possible in human subjects. PMID- 29201595 TI - Microbes Tickling Your Tummy: the Importance of the Gut-Brain Axis in Parkinson's Disease. AB - Purpose of Review: Patients suffering from Parkinson's disease (PD) are known to experience gastrointestinal dysfunction that might precede the onset of motor symptoms by several years. Evidence suggests an important role of the gut-brain axis in PD pathogenesis. These interactions might be essentially influenced by the gut microbiota. Here, we review recent findings supporting that changes in the gut microbiota composition might be a trigger for inflammation contributing to neurodegeneration in PD. Recent Findings: Recent research revealed that PD patients exhibit a pro-inflammatory microbiota profile in their intestinal tract that might increase gut permeability, allowing leakage of bacterial products and inflammatory mediators from the intestines. Evidence in literature indicates that alpha-synuclein deposition might start in the enteric nervous system by pro inflammatory immune activity and then propagates to the CNS. Alternatively, the peripheral inflammatory response could impact the brain through systemic mechanisms. Summary: A better understanding of the gut-brain interactions and the role of the intestinal microbiota in the regulation of immune responses might bring new insights in PD pathological progression and might lead to novel diagnostics and therapeutic approaches. PMID- 29201596 TI - Definitions and Epidemiology of Endodontic Infections. AB - Purpose of Review: This review describes the recent findings from epidemiological studies on endodontic infections. The recent literature was screened for studies on the prevalence of primary apical periodontitis and posttreatment apical periodontitis in various populations. Recent Findings: Twenty-nine articles reporting data on the prevalence of primary or posttreatment apical periodontitis from all over the world were included. The prevalence of apical periodontitis varied between 7 and 86%, while that of posttreatment apical periodontitis varied between 10 and 62%. The quality of the coronal restoration and the root filling appears to be the major predictors of apical periodontitis. Summary: The recent findings from epidemiological studies on the prevalence of primary and posttreatment apical periodontitis in various populations are not substantially different from those from earlier years. It appears that the health of periapical tissues has not majorly improved in the general population. PMID- 29201597 TI - Current Concepts of Epigenetics and Its Role in Periodontitis. AB - Purpose: The focus of this review is to provide an overview of the recent findings on the role of epigenetic mechanisms in periodontal disease, including disease susceptibility, progression, and as potential treatment options. Recent Findings: The findings on the influence of oral pathogens on epigenetic regulation of pathogen recognition receptors, such as Toll-like receptors, as well as pro-inflammatory cytokines suggest an important role for epigenetics in the regulation of the host immune response. Recent studies also show that the epigenetic pattern in periodontitis lesions differ from that of healthy and gingivitis tissue. In addition, these patterns differ between tissues in the same individual. Research is also indicating a role for both DNA methylation and histone acetylation on cells osteogenic differentiation and bone regeneration. Summary: Knowledge of epigenetic pattern in periodontal diseases may add not only to the knowledge of susceptibility of the disease but may also be a diagnostic tool to identify patients at risk to develop the severe form of periodontitis. In addition, recent research within gene therapy and tissue engineering indicate a role for epigenetics also to improve regeneration of periodontal tissues. PMID- 29201598 TI - Use of Probiotics and Oral Health. AB - Purpose of Review: The purpose of this study is to critically assess recent studies concerning the use of probiotics to control periodontal diseases, dental caries and halitosis (oral malodour). Recent Findings: Clinical studies have shown that probiotics when allied to conventional periodontal treatment can ameliorate microbial dysbiosis and produce significant improvement in clinical indicators of disease. However, this effect is often not maintained by the host after the end of probiotic use. Current probiotics also show limited effects in treating caries and halitosis. Novel approaches based up on replacement therapy and using highly abundant health-associated oral species, including nitrate reducing bacteria, have been proposed to improve persistence of probiotic strains and maintain oral health benefits. Summary: Probiotics have potential in the management of multifactorial diseases such as the periodontal diseases and caries, by more effectively addressing the host-microbial interface to restore homeostasis that may not be achieved with conventional treatments. PMID- 29201599 TI - Combining Adoptive Treg Transfer with Bone Marrow Transplantation for Transplantation Tolerance. AB - Purpose of Review: The mixed chimerism approach is an exceptionally potent strategy for the induction of donor-specific tolerance in organ transplantation and so far the only one that was demonstrated to work in the clinical setting. Regulatory T cells (Tregs) have been shown to improve chimerism induction in experimental animal models. This review summarizes the development of innovative BMT protocols using therapeutic Treg transfer for tolerance induction. Recent Findings: Treg cell therapy promotes BM engraftment in reduced conditioning protocols in both, mice and non-human primates. In mice, transfer of polyclonal recipient Tregs was sufficient to substitute cytotoxic recipient conditioning. Treg therapy prevented chronic rejection of skin and heart allografts related to tissue-specific antigen disparities, in part by promoting intragraft Treg accumulation. Summary: Adoptive Treg transfer is remarkably effective in facilitating BM engraftment in reduced-intensity protocols in mice and non-human primates. Furthermore, it promotes regulatory mechanisms that prevent chronic rejection. PMID- 29201600 TI - Donation, Not Disease! A Multiple-Hit Hypothesis on Development of Post-Donation Kidney Disease. AB - Purpose of Review: The risks following living kidney donation has been the subject of rigorous investigation in the past several decades. How to utilize the burgeoning new knowledge base to better the risk assessment, education, and health maintenance of donors is unclear. We review the physiologic and epidemiologic evidences on the post-donation state and submit a multiple-hit hypothesis to reconcile the finite elevation in risk of kidney disease after donation with the benign course of most kidney donors. Recent Findings: The risk of end-stage kidney disease is higher in kidney donors compared to similarly healthy non-kidney donors. Nonetheless, post-donation kidney disease is uncommon and arises mostly in the setting of other "hits"-either a "first hit" present at birth or a "second hit" acquired later in life. Summary: The transplant community's focus should be directed toward (1) personalized risk assessment to inform consent before donation and (2) preventing and treating development of "second hits" following kidney donation. PMID- 29201601 TI - A tracked robot with novel bio-inspired passive "legs". AB - For track-based robots, an important aspect is the suppression design, which determines the trafficability and comfort of the whole system. The trafficability limits the robot's working capability, and the riding comfort limits the robot's working effectiveness, especially with some sensitive instruments mounted on or operated. To these aims, a track-based robot equipped with a novel passive bio inspired suspension is designed and studied systematically in this paper. Animal or insects have very special leg or limb structures which are good for motion control and adaptable to different environments. Inspired by this, a new track based robot is designed with novel "legs" for connecting the loading wheels to the robot body. Each leg is designed with passive structures and can achieve very high loading capacity but low dynamic stiffness such that the robot can move on rough ground similar to a multi-leg animal or insect. Therefore, the trafficability and riding comfort can be significantly improved without losing loading capacity. The new track-based robot can be well applied to various engineering tasks for providing a stable moving platform of high mobility, better trafficability and excellent loading capacity. PMID- 29201602 TI - Ethical framework of assistive devices: review and reflection. AB - The population of ageing is growing significantly over the world, and there is an emerging demand for better healthcare services and more care centres. Innovations of Information and Communication Technology has resulted in development of various types of assistive robots to fulfil elderly's needs and independency, whilst carrying out daily routine tasks. This makes it vital to have a clear understanding of elderly's needs and expectations from assistive robots. This paper addresses current ethical issues to understand elderly's prime needs. Also, we consider other general ethics with the purpose of applying these theories to form a proper ethics framework. In the ethics framework, the ethical concerns of senior citizens will be prioritized to satisfy elderly's needs and also to diminish related expenses to healthcare services. PMID- 29201603 TI - Characterizing dynamic behaviors of three-particle paramagnetic microswimmer near a solid surface. AB - Particle-based magnetically actuated microswimmers have the potential to act as microrobotic tools for biomedical applications. In this paper, we report the dynamic behaviors of a three-particle paramagnetic microswimmer. Actuated by a rotating magnetic field with different frequencies, the microswimmer exhibits simple rotation and propulsion. When the input frequency is below 8 Hz, it exhibits simple rotation on the substrate, whereas it shows propulsion with varied poses when subjected to a frequency between 8 and 15 Hz. Furthermore, a solid surface that enhances swimming velocity was observed as the microswimmer is actuated near a solid surface. Our simulation results testify that the surface enhanced swimming near a solid surface is because of the induced pressure difference in the surrounding fluid of the microagent. PMID- 29201604 TI - Improved 3D measurement with a novel preprocessing method in DFP. AB - Shadow and background are two common factors in digital fringe projection, which lead to ambiguity in three-dimensional measurement and thereby need to be seriously considered. Preprocessing is often needed to segment the object from invalid points. The existing segmentation approaches based on modulation normally perform well in pure dark background circumstances, which, however, lose accuracy in situations of white or complex background. In this paper, an accurate shadow and background removal technique is proposed, which segments the shadow by one threshold from modulation histogram and segments the background by the threshold in intensity histogram. Experiments are well designed and conducted to verify the effectiveness and reliability of the proposed method. PMID- 29201605 TI - Culture-Free Detection of Crop Pathogens at the Single-Cell Level by Micro-Raman Spectroscopy. AB - The rapid and sensitive identification of invasive plant pathogens has important applications in biotechnology, plant quarantine, and food security. Current methods are far too time-consuming and need a pre-enrichment period ranging from hours to days. Here, a micro-Raman spectroscopy-based bioassay for culture-free pathogen quarantine inspection at the single cell level within 40 min is presented. The application of this approach can readily and specifically detect plant pathogens Burkholderia gladioli pv. alliicola and Erwinia chrysanthemi that are closely related pathogenically. Furthermore, the single-bacterium detection was able to discriminate them from a reference Raman spectral library including multiple quarantine-relevant pathogens with broad host ranges and an array of pathogenic variants. To show the usefulness of this assay, Burkholderia gladioli pv. alliicola and Erwinia chrysanthemi are detected at single-bacterium level in plant tissue lesions without pre-enrichment. The results are confirmed by the plate-counting method and a genetic molecular approach, which display comparable recognition ratios to the Raman spectroscopy-based bioassay. The results represent a critical step toward the use of micro-Raman spectroscopy in rapid and culture-free discrimination of quarantine relevant plant pathogens. PMID- 29201606 TI - A 3D Printed Implantable Device for Voiding the Bladder Using Shape Memory Alloy (SMA) Actuators. AB - Underactive bladder or detrusor underactivity (DU) is defined as a reduction of contraction strength or duration of the bladder wall. Despite the serious healthcare implications of DU, there are limited solutions for affected individuals. A flexible 3D printed implantable device driven by shape memory alloys (SMA) actuators is presented here for the first time to physically contract the bladder to restore voluntary control of the bladder for individuals suffering from DU. This approach is used initially in benchtop experiments with a rubber balloon acting as a model for the rat bladder to verify its potential for voiding, and that the operating temperatures are safe for the eventual implantation of the device in a rat. The device is then implanted and tested on an anesthetized rat, and a voiding volume of more than 8% is successfully achieved for the SMA-based device without any surgical intervention or drug injection to relax the external sphincter. PMID- 29201607 TI - In Situ Ligation of High- and Low-Affinity Ligands to Cell Surface Receptors Enables Highly Selective Recognition. AB - This paper reports an entirely unexplored concept of simultaneously recognizing two receptors using high- and low-affinity ligands through ligating them in situ on the target cell surface. This de novo approach is inspired by the pretargeting strategy frequently applied in molecular imaging, and has now evolved as the basis of a new paradigm for visualizing target cells with a high imaging contrast. A distinct advantage of using a labeled low-affinity ligand such as glycan is that the excess labeled ligand can be washed away from the cells, whereas the ligand bound to the cell, even at the milli molar affinity level, can be anchored by a bioorthogonal reaction with a pretargeted high-affinity ligand on the surface. Consequently, nonspecific background is minimized, leading to improved imaging contrast. Importantly, despite previously unexplored for molecular imaging, a notoriously weak glycan/lectin interaction can now be utilized as a highly selective ligand to the targets. PMID- 29201608 TI - Toward Bioelectronic Medicine-Neuromodulation of Small Peripheral Nerves Using Flexible Neural Clip. AB - Neural modulation technology and the capability to affect organ function have spawned the new field of bioelectronic medicine. Therapeutic interventions depend on wireless bioelectronic neural interfaces that can conformally and easily attach to small (few hundred micrometers) nerves located deep in the body without neural damage. Besides size, factors like flexibility and compliance to attach and adapt to visceral nerves associated moving organs are of paramount importance and have not been previously addressed. This study proposes a novel flexible neural clip (FNC) that can be used to interface with a variety of different peripheral nerves. To illustrate the flexibility of the design, this study stimulates the pelvic nerve, the vagus nerve, and branches of the sciatic nerve and evaluates the feasibility of the design in modulating the function of each of these nerves. It is found that this FNC allows fine-tuning of physiological processes such as micturition, heart rate, and muscle contractions. Furthermore, this study also tests the ability of wirelessly powered FNC to enable remote modulation of visceral pelvic nerves located deep in the body. These results show that the FNC can be used with a range of different nerves, providing one of the critical pieces in the field of bioelectronics medicines. PMID- 29201609 TI - A New Electron Acceptor with meta-Alkoxyphenyl Side Chain for Fullerene-Free Polymer Solar Cells with 9.3% Efficiency. AB - A new small molecule acceptor, m-ITIC-OR, based on indacenodithieno[3,2 b]thiophene core with meta-alkoxyphenyl side chains, is designed and synthesized. The m-ITIC-OR film shows broader and redshift absorption compared to its solution and matched energy levels with a hexafluoroquinoxaline-based polymer donor-HFQx T. Here, polymer solar cells (PSCs) by blending an HFQx-T donor and an m-ITIC-OR acceptor as an active layer deliver the power conversion efficiency (PCE) of 6.36% without any posttreatment. The investigations demonstrate that the HFQx-T:m ITIC-OR blend films possess higher and more balanced charge mobility, negligible bimolecular recombination, and nanoscale interpenetrating morphology after thermal annealing (TA) treatment. Through a simple TA treatment at 150 degrees C for 5 min, an impressive PCE of 9.3% is obtained. This efficiency is among one of the highest PCEs for additive free PSCs. This is the first time alkoxyphenyl side chain is introduced into nonfullerene electron acceptor; more interestingly, the new electron acceptor (m-ITIC-OR) in this work shows a great potential for highly efficient photovoltaic properties. PMID- 29201610 TI - Single Nucleotide Polymorphism Genotyping in Single-Molecule Electronic Circuits. AB - Establishing low-cost, high-throughput, simple, and accurate single nucleotide polymorphism (SNP) genotyping techniques is beneficial for understanding the intrinsic relationship between individual genetic variations and their biological functions on a genomic scale. Here, a straightforward and reliable single molecule approach is demonstrated for precise SNP authentication by directly measuring the fluctuations in electrical signals in an electronic circuit, which is fabricated from a high-gain field-effect silicon nanowire decorated with a single hairpin DNA, in the presence of different target DNAs. By simply comparing the proportion difference of a probe-target duplex structure throughout the process, this study implements allele-specific and accurate SNP detection. These results are supported by the statistical analyses of different dynamic parameters such as the mean lifetime and the unwinding probability of the duplex conformation. In comparison with conventional polymerase chain reaction and optical methods, this convenient and label-free method is complementary to existing optical methods and also shows several advantages, such as simple operation and no requirement for fluorescent labeling, thus promising a futuristic route toward the next-generation genotyping technique. PMID- 29201611 TI - Realizing the Embedded Growth of Large Li2O2 Aggregations by Matching Different Metal Oxides for High-Capacity and High-Rate Lithium Oxygen Batteries. AB - Large Li2O2 aggregations can produce high-capacity of lithium oxygen (Li-O2) batteries, but the larger ones usually lead to less-efficient contact between Li2O2 and electrode materials. Herein, a hierarchical cathode architecture based on different discharge characteristics of alpha-MnO2 and Co3O4 is constructed, which can enable the embedded growth of large Li2O2 aggregations to solve this problem. Through experimental observations and first-principle calculations, it is found that alpha-MnO2 nanorod tends to form uniform Li2O2 particles due to its preferential Li+ adsorption and similar LiO2 adsorption energies of different crystal faces, whereas Co3O4 nanosheet tends to simultaneously generate Li2O2 film and Li2O2 nanosheets due to its preferential O2 adsorption and different LiO2 adsorption energies of varied crystal faces. Thus, the composite cathode architecture in which Co3O4 nanosheets are grown on alpha-MnO2 nanorods can exhibit extraordinary synergetic effects, i.e., alpha-MnO2 nanorods provide the initial nucleation sites for Li2O2 deposition while Co3O4 nanosheets provide dissolved LiO2 to promote the subsequent growth of Li2O2. Consequently, the composite cathode achieves the embedded growth of large Li2O2 aggregations and thus exhibits significantly improved specific capacity, rate capability, and cyclic stability compared with the single metal oxide electrode. PMID- 29201612 TI - High Performance Solid Polymer Electrolytes for Rechargeable Batteries: A Self Catalyzed Strategy toward Facile Synthesis. AB - It is urgent to seek high performance solid polymer electrolytes (SPEs) via a facile chemistry and simple process. The lithium salts are composed of complex anions that are stabilized by a Lewis acid agent. This Lewis acid can initiate the ring opening polymerization. Herein, a self-catalyzed strategy toward facile synthesis of crosslinked poly(ethylene glycol) diglycidyl ether-based solid polymer electrolyte (C-PEGDE) is presented. It is manifested that the poly(ethylene glycol) diglycidyl ether-based solid polymer electrolyte possesses a superior electrochemical stability window up to 4.5 V versus Li/Li+ and considerable ionic conductivity of 8.9 * 10-5 S cm-1 at ambient temperature. Moreover, the LiFePO4/C-PEGDE/Li batteries deliver stable charge/discharge profiles and considerable rate capability. It is demonstrated that this self catalyzed strategy can be a very effective approach for high performance solid polymer electrolytes. PMID- 29201613 TI - Genome Editing for Cancer Therapy: Delivery of Cas9 Protein/sgRNA Plasmid via a Gold Nanocluster/Lipid Core-Shell Nanocarrier. AB - The type II bacterial clustered, regularly interspaced, short palindromic repeats (CRISPR)-Cas9 (CRISPR-associated protein) system (CRISPR-Cas9) is a powerful toolbox for gene-editing, however, the nonviral delivery of CRISPR-Cas9 to cells or tissues remains a key challenge. This paper reports a strategy to deliver Cas9 protein and single guide RNA (sgRNA) plasmid by a nanocarrier with a core of gold nanoclusters (GNs) and a shell of lipids. By modifying the GNs with HIV-1 transactivator of transcription peptide, the cargo (Cas9/sgRNA) can be delivered into cell nuclei. This strategy is utilized to treat melanoma by designing sgRNA targeting Polo-like kinase-1 (Plk1) of the tumor. The nanoparticle (polyethylene glycol-lipid/GNs/Cas9 protein/sgPlk1 plasmid, LGCP) leads to >70% down-regulation of Plk1 protein expression of A375 cells in vitro. Moreover, the LGCP suppresses melanoma progress by 75% on mice. Thus, this strategy can deliver protein-nucleic acid hybrid agents for gene therapy. PMID- 29201615 TI - Nanoporous PbSe-SiO2 Thermoelectric Composites. AB - Nanoporous architecture has long been predicted theoretically for its proficiency in suppressing thermal conduction, but less concerned as a practical approach for better thermoelectric materials hitherto probably due to its technical challenges. This article demonstrates a study on nanoporous PbSe-SiO2 composites fabricated by a facile method of mechanical alloying assisted by subsequent wet milling and then spark plasma sintering. Owing to the formation of random nanopores and additional interface scattering, the lattice thermal conductivity is limited to a value as low as 0.56 W m-1 K-1 at above 600 K, almost the same low level achieved by introducing nanoscale precipitates. Besides, the room temperature electrical transport is found to be dominated by the grain-boundary potential barrier scattering, whose effect fades away with increasing temperatures. Consequently, a maximum ZT of 1.15 at 823 K is achieved in the PbSe + 0.7 vol% SiO2 composition with >20% increase in average ZT, indicating the great potential of nanoporous structuring toward high thermoelectric conversion efficiency. PMID- 29201616 TI - Realization of Quasi-Omnidirectional Solar Cells with Superior Electrical Performance by All-Solution-Processed Si Nanopyramids. AB - Large-scale (156 mm * 156 mm) quasi-omnidirectional solar cells are successfully realized and featured by keeping high cell performance over broad incident angles (theta), via employing Si nanopyramids (SiNPs) as surface texture. SiNPs are produced by the proposed metal-assisted alkaline etching method, which is an all solution-processed method and highly simple together with cost-effective. Interestingly, compared to the conventional Si micropyramids (SiMPs)-textured solar cells, the SiNPs-textured solar cells possess lower carrier recombination and thus superior electrical performances, showing notable distinctions from other Si nanostructures-textured solar cells. Furthermore, SiNPs-textured solar cells have very little drop of quantum efficiency with increasing theta, demonstrating the quasi-omnidirectional characteristic. As an overall result, both the SiNPs-textured homojunction and heterojunction solar cells possess higher daily electric energy production with a maximum relative enhancement approaching 2.5%, when compared to their SiMPs-textured counterparts. The quasi omnidirectional solar cell opens a new opportunity for photovoltaics to produce more electric energy with a low cost. PMID- 29201614 TI - CO2 Reduction: From the Electrochemical to Photochemical Approach. AB - Increasing CO2 concentration in the atmosphere is believed to have a profound impact on the global climate. To reverse the impact would necessitate not only curbing the reliance on fossil fuels but also developing effective strategies capture and utilize CO2 from the atmosphere. Among several available strategies, CO2 reduction via the electrochemical or photochemical approach is particularly attractive since the required energy input can be potentially supplied from renewable sources such as solar energy. In this Review, an overview on these two different but inherently connected approaches is provided and recent progress on the development, engineering, and understanding of CO2 reduction electrocatalysts and photocatalysts is summarized. First, the basic principles that govern electrocatalytic or photocatalytic CO2 reduction and their important performance metrics are discussed. Then, a detailed discussion on different CO2 reduction electrocatalysts and photocatalysts as well as their generally designing strategies is provided. At the end of this Review, perspectives on the opportunities and possible directions for future development of this field are presented. PMID- 29201617 TI - Mixed-Organic-Cation Tin Iodide for Lead-Free Perovskite Solar Cells with an Efficiency of 8.12. AB - In this work, a fully tin-based, mixed-organic-cation perovskite absorber (FA) x (MA)1-x SnI3 (FA = NH2CH = NH2+, MA = CH3NH3+) for lead-free perovskite solar cells (PSCs) with inverted structure is presented. By optimizing the ratio of FA and MA cations, a maximum power conversion efficiency of 8.12% is achieved for the (FA)0.75(MA)0.25SnI3-based device along with a high open-circuit voltage of 0.61 V, which originates from improved perovskite film morphology and inhibits recombination process in the device. The cation-mixing approach proves to be a facile method for the efficiency enhancement of tin-based PSCs. PMID- 29201618 TI - A Facile Surface Reconstruction Mechanism toward Better Electrochemical Performance of Li4Ti5O12 in Lithium-Ion Battery. AB - Through a facile sodium sulfide (Na2S)-assisted hydrothermal treatment, clean and nondefective surfaces are constructed on micrometer-sized Li4Ti5O12 particles. The remarkable improvement of surface quality shows a higher first cycle Coulombic efficiency (~95%), a significantly enhanced cycling performance, and a better rate capability in electrochemical measurements. A combined study of Raman spectroscopy and inductive coupled plasma emission spectroscopy reveals that the evolution of Li4Ti5O12 surface in a water-based hydrothermal environment is a hydrolysis-recrystallization process, which can introduce a new phase of anatase TiO2. While, with a small amount of Na2S (0.004 mol L-1 at least), the spinel Li4Ti5O12 phase is maintained without a second phase. During this process, the alkaline environment created by Na2S and the surface adsorption of the sulfur containing group (HS- or S2-) can suppress the recrystallization of anatase-TiO2 and renew the particle surfaces. This finding gives a better understanding of the surface-property relationship on Li4Ti5O12 and guidance on preparation and modification of electrode material other than coating or doping. PMID- 29201619 TI - Utilizing Co2+/Co3+ Redox Couple in P2-Layered Na0.66Co0.22Mn0.44Ti0.34O2 Cathode for Sodium-Ion Batteries. AB - Developing sodium-ion batteries for large-scale energy storage applications is facing big challenges of the lack of high-performance cathode materials. Here, a series of new cathode materials Na0.66Co x Mn0.66-x Ti0.34O2 for sodium-ion batteries are designed and synthesized aiming to reduce transition metal-ion ordering, charge ordering, as well as Na+ and vacancy ordering. An interesting structure change of Na0.66Co x Mn0.66-x Ti0.34O2 from orthorhombic to hexagonal is revealed when Co content increases from x = 0 to 0.33. In particular, Na0.66Co0.22Mn0.44Ti0.34O2 with a P2-type layered structure delivers a reversible capacity of 120 mAh g-1 at 0.1 C. When the current density increases to 10 C, a reversible capacity of 63.2 mAh g-1 can still be obtained, indicating a promising rate capability. The low valence Co2+ substitution results in the formation of average Mn3.7+ valence state in Na0.66Co0.22Mn0.44Ti0.34O2, effectively suppressing the Mn3+-induced Jahn-Teller distortion, and in turn stabilizing the layered structure. X-ray absorption spectroscopy results suggest that the charge compensation of Na0.66Co0.22Mn0.44Ti0.34O2 during charge/discharge is contributed by Co2.2+/Co3+ and Mn3.3+/Mn4+ redox couples. This is the first time that the highly reversible Co2+/Co3+ redox couple is observed in P2-layered cathodes for sodium-ion batteries. This finding may open new approaches to design advanced intercalation-type cathode materials. PMID- 29201620 TI - Anchoring CoFe2O4 Nanoparticles on N-Doped Carbon Nanofibers for High-Performance Oxygen Evolution Reaction. AB - The exploration of earth-abundant and high-efficiency electrocatalysts for the oxygen evolution reaction (OER) is of great significant for sustainable energy conversion and storage applications. Although spinel-type binary transition metal oxides (AB2O4, A, B = metal) represent a class of promising candidates for water oxidation catalysis, their intrinsically inferior electrical conductivity exert remarkably negative impacts on their electrochemical performances. Herein, we demonstrates a feasible electrospinning approach to concurrently synthesize CoFe2O4 nanoparticles homogeneously embedded in 1D N-doped carbon nanofibers (denoted as CoFe2O4@N-CNFs). By integrating the catalytically active CoFe2O4 nanoparticles with the N-doped carbon nanofibers, the as-synthesized CoFe2O4@N CNF nanohybrid manifests superior OER performance with a low overpotential, a large current density, a small Tafel slope, and long-term durability in alkaline solution, outperforming the single component counterparts (pure CoFe2O4 and N doped carbon nanofibers) and the commercial RuO2 catalyst. Impressively, the overpotential of CoFe2O4@N-CNFs at the current density of 30.0 mA cm-2 negatively shifts 186 mV as compared with the commercial RuO2 catalyst and the current density of the CoFe2O4@N-CNFs at 1.8 V is almost 3.4 times of that on RuO2 benchmark. The present work would open a new avenue for the exploration of cost effective and efficient OER electrocatalysts to substitute noble metals for various renewable energy conversion/storage applications. PMID- 29201621 TI - Thermal Release Transfer Printing for Stretchable Conformal Bioelectronics. AB - Soft neural electrode arrays that are mechanically matched between neural tissues and electrodes offer valuable opportunities for the development of disease diagnose and brain computer interface systems. Here, a thermal release transfer printing method for fabrication of stretchable bioelectronics, such as soft neural electrode arrays, is presented. Due to the large, switchable and irreversible change in adhesion strength of thermal release tape, a low-cost, easy-to-operate, and temperature-controlled transfer printing process can be achieved. The mechanism of this method is analyzed by experiments and fracture mechanics models. Using the thermal release transfer printing method, a stretchable neural electrode array is fabricated by a sacrificial-layer-free process. The ability of the as-fabricated electrode array to conform different curvilinear surfaces is confirmed by experimental and theoretical studies. High quality electrocorticography signals of anesthetized rat are collected with the as-fabricated electrode array, which proves good conformal interface between the electrodes and dura mater. The application of the as-fabricated electrode array on detecting the steady-state visual evoked potentials research is also demonstrated by in vivo experiments and the results are compared with those detected by stainless-steel screw electrodes. PMID- 29201622 TI - Self-Tuning n-Type Bi2(Te,Se)3/SiC Thermoelectric Nanocomposites to Realize High Performances up to 300 degrees C. AB - Bi2Te3 thermoelectric materials are utilized for refrigeration for decades, while their application of energy harvesting requires stable thermoelectric and mechanical performances at elevated temperatures. This work reveals that a steady zT of ~0.85 at 200 to 300 degrees C can be achieved by doping small amounts of copper iodide (CuI) in Bi2Te2.2Se0.8-silicon carbide (SiC) composites, where SiC nanodispersion enhances the flexural strength. It is found that CuI plays two important roles with atomic Cu/I dopants and CuI precipitates. The Cu/I dopants show a self-tuning behavior due to increasing solubility with increasing temperatures. The increased doping concentration increases electrical conductivity at high temperatures and effectively suppresses the intrinsic excitation. In addition, a large reduction of lattice thermal conductivity is achieved due to the "in situ" CuI nanoprecipitates acting as phonon-scattering centers. Over 60% reduction of bipolar thermal conductivity is achieved, raising the maximum useful temperature of Bi2Te3 for substantially higher efficiency. For module applications, the reported materials are suitable for segmentation with a conventional ingot. This leads to high device ZT values of ~0.9-1.0 and high efficiency up to 9.2% from 300 to 573 K, which can be of great significance for power generation from waste heat. PMID- 29201623 TI - Enhanced Charge Collection in MOF-525-PEDOT Nanotube Composites Enable Highly Sensitive Biosensing. AB - With the aim of a reliable biosensing exhibiting enhanced sensitivity and selectivity, this study demonstrates a dopamine (DA) sensor composed of conductive poly(3,4-ethylenedioxythiophene) nanotubes (PEDOT NTs) conformally coated with porphyrin-based metal-organic framework nanocrystals (MOF-525). The MOF-525 serves as an electrocatalytic surface, while the PEDOT NTs act as a charge collector to rapidly transport the electron from MOF nanocrystals. Bundles of these particles form a conductive interpenetrating network film that together: (i) improves charge transport pathways between the MOF-525 regions and (ii) increases the electrochemical active sites of the film. The electrocatalytic response is measured by cyclic voltammetry and differential pulse voltammetry techniques, where the linear concentration range of DA detection is estimated to be 2 * 10-6-270 * 10-6 m and the detection limit is estimated to be 0.04 * 10-6 m with high selectivity toward DA. Additionally, a real-time determination of DA released from living rat pheochromocytoma cells is realized. The combination of MOF5-25 and PEDOT NTs creates a new generation of porous electrodes for highly efficient electrochemical biosensing. PMID- 29201624 TI - Metallic Sn-Based Anode Materials: Application in High-Performance Lithium-Ion and Sodium-Ion Batteries. AB - With the fast-growing demand for green and safe energy sources, rechargeable ion batteries have gradually occupied the major current market of energy storage devices due to their advantages of high capacities, long cycling life, superior rate ability, and so on. Metallic Sn-based anodes are perceived as one of the most promising alternatives to the conventional graphite anode and have attracted great attention due to the high theoretical capacities of Sn in both lithium-ion batteries (LIBs) (994 mA h g-1) and sodium-ion batteries (847 mA h g-1). Though Sony has used Sn-Co-C nanocomposites as its commercial LIB anodes, to develop even better batteries using metallic Sn-based anodes there are still two main obstacles that must be overcome: poor cycling stability and low coulombic efficiency. In this review, the latest and most outstanding developments in metallic Sn-based anodes for LIBs and SIBs are summarized. And it covers the modification strategies including size control, alloying, and structure design to effectually improve the electrochemical properties. The superiorities and limitations are analyzed and discussed, aiming to provide an in-depth understanding of the theoretical works and practical developments of metallic Sn based anode materials. PMID- 29201625 TI - Sequentially Programmable and Cellularly Selective Assembly of Fluorescent Polymerized Vesicles for Monitoring Cell Apoptosis. AB - The introduction of controlled self-assembly into living organisms opens up desired biomedical applications in wide areas including bioimaging/assays, drug delivery, and tissue engineering. Besides the enzyme-activated examples reported before, controlled self-assembly under integrated stimuli, especially in the form of sequential input, is unprecedented and ultimately challenging. This study reports a programmable self-assembling strategy in living cells under sequentially integrated control of both endogenous and exogenous stimuli. Fluorescent polymerized vesicles are constructed by using cholinesterase conversion followed by photopolymerization and thermochromism. Furthermore, as a proof-of-principle application, the cell apoptosis involved in the overexpression of cholinesterase in virtue of the generated fluorescence is monitored, showing potential in screening apoptosis-inducing drugs. The approach exhibits multiple advantages for bioimaging in living cells, including specificity to cholinesterase, red emission, wash free, high signal-to-noise ratio. PMID- 29201626 TI - Rod-Shaped Active Drug Particles Enable Efficient and Safe Gene Delivery. AB - Efficient microRNAs (miRNA) delivery into cells is a promising strategy for disease therapy, but is a major challenge because the available conventional nonviral vectors have significant drawbacks. In particular, after these vectors are entrapped in lysosomes, the escape efficiency of genes from lysosomes into the cytosol is less than 2%. Here, a novel approach for lethal-7a (let-7a) replacement therapy using rod-shaped active pure drug nanoparticles (~130 nm in length, PNPs) with a dramatically high drug-loading of ~300% as vectors is reported. Importantly, unlike other vectors, the developed PNPs/let-7a complexes (~178 nm, CNPs) can enter cells and bypass the lysosomal route to localize to the cytosol, achieving efficient intracellular delivery of let-7a and a 50% reduction in expression of the target protein (KRAS). Also, CNPs prolong the t1/2 of blood circulation by ~threefold and increase tumor accumulation by ~1.5-2-fold, resulting in significantly improved antitumor efficacies. Additionally, no damage to normal organs is observed following systemic injection of CNPs. In conclusion, rod-shaped active PNPs enable efficient and safe delivery of miRNA with synergistic treatment for disease. This nanoplatform would also offer a viable strategy for the potent delivery of proteins and peptides in vitro and in vivo. PMID- 29201627 TI - Dual-Color-Emitting Carbon Nanodots for Multicolor Bioimaging and Optogenetic Control of Ion Channels. AB - The development of intrinsically multicolor-emitting carbon nanodots (CNDs) has been one of the great challenges for their various fields of applications. Here, the controlled electronic structure engineering of CNDs is performed to emit two distinct colors via the facile surface modification with 4-octyloxyaniline. The so-called dual-color-emitting CNDs (DC-CNDs) can be stably encapsulated within poly(styrene-co-maleic anhydride) (PSMA). The prepared water-soluble DC-CNDs@PSMA can be successfully applied to in vitro and in vivo dual-color bioimaging and optogenetics. In vivo optical imaging can visualize the biodistribution of intravenously injected DC-CNDs@PSMA. In addition, the light-triggered activation of ion channel, channelrhodopsin-2, for optogenetic applications is demonstrated. As a new type of fluorophore, DC-CNDs offer a big insight into the design of charge-transfer complexes for various optical and biomedical applications. PMID- 29201628 TI - Aluminum-Doped Cesium Lead Bromide Perovskite Nanocrystals with Stable Blue Photoluminescence Used for Display Backlight. AB - Bright and stable blue emitters with narrow full-width at half-maxima are particularly desirable for applications in television displays and related technologies. Here, this study shows that doping aluminum (Al3+) ion into CsPbBr3 nanocrystals (NCs) using AlBr3 can afford lead-halide perovskites NCs with stable blue photoluminescence. First, theoretical and experimental analyses reveal that the extended band gap and quantum confinement effect of elongated shape give rise to the desirable blueshifted emission. Second, the aluminum ion incorporation path is rationalized qualitatively by invoking fundamental considerations about binding relations in AlBr3 and its dimer. Finally, the absence of anion-exchange effect is corroborated when green CsPbBr3 and blue Al:CsPbBr3 NCs are mixed. Combinations of the above two NCs with red-emitting CdSe@ZnS NCs result in UV pumped white light-emitting diodes (LED) with an National Television System Committee (NTSC) value of 116% and ITU-R Recommendation B.T. 2020 (Rec. 2020) of 87%. The color coordinates of the white LED are optimized at (0.32, 0.34) in CIE 1931. The results suggest that low-cost, earth-abundant, solution-processable Al doped perovskite NCs can be promising candidate materials for blue down conversion layer in backlit displays. PMID- 29201629 TI - Rational Design of a Water-Storable Hierarchical Architecture Decorated with Amorphous Barium Oxide and Nickel Nanoparticles as a Solid Oxide Fuel Cell Anode with Excellent Sulfur Tolerance. AB - Solid oxide fuel cells (SOFCs), which can directly convert chemical energy stored in fuels into electric power, represent a useful technology for a more sustainable future. They are particularly attractive given that they can be easily integrated into the currently available fossil fuel infrastructure to realize an ideal clean energy system. However, the widespread use of the SOFC technology is hindered by sulfur poisoning at the anode caused by the sulfur impurities in fossil fuels. Therefore, improving the sulfur tolerance of the anode is critical for developing SOFCs for use with fossil fuels. Herein, a novel, highly active, sulfur-tolerant anode for intermediate-temperature SOFCs is prepared via a facile impregnation and limited reaction protocol. During synthesis, Ni nanoparticles, water-storable BaZr0.4Ce0.4Y0.2O3-delta (BZCY) perovskite, and amorphous BaO are formed in situ and deposited on the surface of a Sm0.2Ce0.8O1.9 (SDC) scaffold. More specifically, a porous SDC scaffold is impregnated with a well-designed proton-conducting perovskite oxide liquid precursor with the nominal composition of Ba(Zr0.4Ce0.4Y0.2)0.8Ni0.2O3-delta (BZCYN), calcined and reduced in hydrogen. The as-synthesized hierarchical architecture exhibits high H2 electro-oxidation activity, excellent operational stability, superior sulfur tolerance, and good thermal cyclability. This work demonstrates the potential of combining nanocatalysts and water-storable materials in advanced electrocatalysts for SOFCs. PMID- 29201630 TI - Avoidance of Harm From Treatment for ANCA-Associated Vasculitis. AB - Purpose of review With established immunosuppressant treatment regimens for anti neutrophil cytoplasm antibody-associated vasculitides (AAV), prognosis has significantly improved. The mainstay of treatment still comprises high-dose corticosteroids and cyclophosphamide for severe forms, although rituximab is being increasingly utilised instead of cyclophosphamide as induction therapy. AAV patients experience an excess of infections, malignancies and cardiovascular events as compared to the general population, which is a combination of the systemic inflammatory process associated with vasculitis and the adverse events from treatment. Recent findings Successful therapy should focus on suppressing disease activity and minimising treatment-related toxicity. Infection is the largest contributor to morbidity and mortality in the first year of treatment, and annual pneumococcal and influenza vaccinations, Pneumocystis jiroveci prophylaxis and tuberculosis (TB) and Hepatitis B virus screening are advised. Patients on high-dose corticosteroid treatment should have regular blood sugar monitoring, a FRAX assessment with vitamin D and calcium supplementation, consideration of prophylaxis for gastric ulcers and a cardiovascular risk assessment. Patients who are treated with cyclophosphamide could also receive MESNA to reduce the risk of chemical cystitis. Cyclophosphamide, methotrexate and azathioprine all require blood monitoring schedules due to the risk of bone marrow suppression, liver and renal toxicity. Hypogammaglobulinaemia is a recognised risk of rituximab treatment. Patients of reproductive age need to be counselled on the infertility risks with cyclophosphamide and the teratogenicity associated with it, methotrexate and mycophenolate mofetil. Summary A greater focus on identifying clinical and biological markers that will help identify those patients at greatest risk of relapse, e.g. GPA and PR3-ANCA specificity, from those patients at greatest risk of toxicity, e.g. increasing age and declining GFR, is required to allow treatment to be tailored accordingly. PMID- 29201631 TI - Infection: a Cause of and Cure for Cancer. AB - Purpose of Review: This article provides a brief overview of the role that infections play in cancer emergence and cancer treatment. Recent Findings: A select number of pathogens have been reported to increase the incidence of specific cancers (directly through altering gene expression or indirectly through inducing chronic inflammation). These have been referred to as oncogenic pathogens. Conversely, a subset of pathogens has been demonstrated to preferentially cause lysis of tumor cells, leading to tumor regression and improved anti-tumor immunity. These have been termed oncolytic pathogens. However, the contribution of non-oncogenic, non-oncolytic pathogens to both tumor growth and regression is likewise being increasingly recognized. Summary: Pathogens have both the ability to cause and cure cancer. However, the mechanisms underlying these pathogen-mediated outcomes are not fully understood. With the recent emergence of interest in the immunotherapy of cancer, it is important that future studies focus specifically on preventing the negative effects of oncogenic infections, deconstructing the positive role of oncolytic pathogens, and finally providing insight into the dual roles of non-oncolytic, non-oncogenic pathogens so that anti-pathogen immune responses can be harnessed as a transformative means to treat cancer. PMID- 29201632 TI - Active living in rural Appalachia: Using the rural active living assessment (RALA) tools to explore environmental barriers. AB - People residing in rural communities are more likely to be physically inactive and subsequently have elevated risks for chronic disease. Recent evidence has shown this could stem from environmental barriers, inadequate programming and policies directed at the promotion of physical activity (PA) in rural settings. The objective of this research was to assess active living features in rural towns and townships (n = 16) across seven counties in northwestern North Carolina (NC). The study utilized the Town-Wide and Street Segment components of the Rural Active Living Assessment (RALA) as well as the 2014 American Community Survey results. The assessments were conducted in the summer of 2016 in the rural Appalachia region of NC. Using the RALA town-wide assessment scoring system (0 - 100), the range of scores was 18-84, with the mean being 50.06. Three towns had no sidewalks, nine towns had sidewalks on only one side of the main streets, and four had sidewalks on both sides of the main streets. One town was rated as highly walkable, seven towns as moderately walkable, five towns as moderately unwalkable, and three towns as highly unwalkable. The rural Appalachia region of NC offers unique topographic, geographic and environmental barriers to PA. However, our findings indicate many rural towns offer common PA amenities. Future research should utilize qualitative methods and a community-based participatory research approach to more fully understand the challenges with increasing PA in the rural and often isolated Appalachia communities. PMID- 29201633 TI - A peculiar case of asymptomatic spontaneous pneumomediastinum. AB - Objective: To present a case of asymptomatic spontaneous pneumomediastinum and review available evidence-based workup and management. Case presentation: A young Caucasian adult male with a history of inhalational drug use was admitted to the internal medicine service for evaluation of dehydration and mild rhabdomyolysis. Patient had been on the run from the police and had spent the last days prior to presentation without food, water, or shelter. On admission, patient had no complaints, except for thirst. It was detected on physical exam and chest x-ray that patient had subcutaneous emphysema and pneumomediastinum. The patient was treated conservatively and discharged after a period of observation. Conclusion: Spontaneous pneumomediastinum is benign and seen primarily in young adults. It is more commonly associated with symptoms like chest pain and/or dyspnea, making an asymptomatic case particularly distinctive. The etiologies and precipitating factors are varied and often an apparent cause isn't identified. The diagnostic approach involves chest x-ray and/or computed tomography (CT) chest with further workup being largely unnecessary. The tenants of management include bedrest, analgesics, and supplemental oxygen as needed. PMID- 29201634 TI - Innovative chest physiotherapy techniques (the MetaNeb(r) System) in the intubated child with extensive burns. AB - Introduction: The Metaneb(r) is a new generation Intrapulmonary Percussive Ventilation device utilised by the physiotherapist to assist airway clearance by providing calibrated oscillations during inspiration up to 3.8Hz. Predominantly used in the adult chronic respiratory patient, with anecdotal evidence in intubated patients, it was also proven to be safe in a paediatric lung model lab study. This case report outlines the first use of the Metaneb(r) with an intubated child in Australia. The 8 year old patient was retrieved to Lady Cilento Children's Hospital with 61% total body surface area flame burns. The child was difficult to ventilate, immobile, and had retained secretions. The chest x-ray (CXR) demonstrated multifocal regions of atelectasis. Study objectives: To report safe and effective use of the Metaneb(r) airway clearance in the paediatric intubated patient. Methods: The Metaneb(r) was applied using an open ended bagging circuit on Continuous High Frequency Oscillation mode for a period of 10 min per treatment. The circuit contained an inline nebuliser containing 5ml 0.9% normal saline. PEEP was maintained and variable volume breaths were delivered with suction performed as required. Outcome variables to be measured included sputum weight and quality, CXR, and Peak Inspiratory Pressure (PIP) values pre and post treatment. Vital signs were monitored throughout. Results: The patient's vital signs remained stable throughout intervention. After 4 days of treatment twice daily, there was resolution of focal changes on CXR, improvement in secretions, a reduction in PIP and the patient was extubated. Conclusion: The Metaneb(r) was used safely and effectively in this patient to assist in resolution of respiratory pathology. Metaneb(r) provided a new option for physiotherapy treatment when positioning and handling restrictions limited usual care. This ultimately optimised PICU Length of stay and patient morbidity and mortality. Metaneb(r) provided by Hill-Rom Australia. PMID- 29201635 TI - Successful use of guanfacine in a patient with chronic refractory cough: A case report. AB - Chronic idiopathic cough is a common and often frustrating complaint for patients as well as providers. When common etiologies of cough are ruled out and/or do not respond to usual treatments, neurogenic cough should be considered as a diagnosis of exclusion. Here, we report on a 58-year-old woman with an 8-year history of chronic, treatment-refractory cough of unknown etiology that we diagnosed as neurogenic cough and successfully treated with guanfacine monotherapy, with rapid and durable improvement in symptoms. This case was particularly challenging for a number of reasons, including a distant past smoking history and previous pneumonia, a significant psychiatric history, and a mildly deviated nasal septum and nasal osteophyte, all or some of which could have contributed to the etiology of the cough. This case illustrates that neurogenic cough should be a diagnostic consideration in patients presenting with chronic cough in whom other treatment modalities have failed, and also suggests that the therapeutic use of guanfacine in this clinical setting warrants future investigation. PMID- 29201636 TI - Laryngotracheoesophageal Cleft Type 3 and Severe Laryngotracheomalacia; Delayed Surgical Repair, a Treatment Challenge with an Excellent Outcome. AB - Laryngotracheoesophageal clefts (LTEC) are rare malformations which involve the upper respiratory and digestive tract. Surgical repair should be undertaken promptly to maintain a secure airway and prevent serious pulmonary aspiration. This paper reports the first case of LTEC type 3 with severe laryngotracheomalacia that was brought to Mofid children's hospital in late infancy with a poor health status. Delayed defect correction was our team strategy for the patient when she had achieved good weight gain. At the age of 22 months in collaboration with the pediatric surgical and otolaryngologist team, the repair of the laryngeal cleft was done with lateral open approach method. She was discharged with tracheostomy and gastrostomy. In the next six months follow up after the surgery tracheostomy decannulation and gastrostomy tube removal were done and the infant is now in regular follow-up. PMID- 29201637 TI - Two patients with daptomycin induced eosinophilic pneumonia with different presentations and treatment. AB - We present two cases of daptomycin-induced eosinophilic pneumonia with characteristic chest x ray, CT scan and bronchoalveolar lavage (BAL) findings. It is not a commonly seen complication of Daptomycin but when it happens, it could cause a diagnostic and treatment dilemma. Patients could present acutely with hypoxic respiratory failure or a less dramatic chronic presentation is also possible. Our two patients presented with acute hypoxic respiratory failure and presentation resembles that of an infectious etiology. Diagnosis is confirmed by bronchoscopy with BAL in one of them and the other was treated empirically as the clinical and radiologic presentation was typical. Treatment includes removal of the offending agent, daptomycin. Corticosteroids are used if symptoms are severe and can result in rapid clinical improvement. There is no agreed upon dose and duration of steroids and we suggest a long taper of steroids for patients who present with severe symptoms and a short course steroid for patients with milder symptoms. PMID- 29201638 TI - Patterns of grey matter loss associated with motor subscores in early Parkinson's disease. AB - Classical motor symptoms of Parkinson's disease (PD) such as tremor, rigidity, bradykinesia, and axial symptoms are graded in the Movement Disorders Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) III. It is yet to be ascertained whether parkinsonian motor symptoms are associated with different anatomical patterns of neurodegeneration as reflected by brain grey matter (GM) alteration. This study aimed to investigate associations between motor subscores and brain GM at voxel level. High resolution structural MRI T1 scans from the Parkinson's Progression Markers Initiative (PPMI) repository were employed to estimate brain GM intensity of PD subjects. Correlations between GM intensity and total MDS-UPDRS III and its four subscores were computed. The total MDS-UPDRS III score was significantly negatively correlated bilaterally with putamen and caudate GM density. Lower anterior striatal GM intensity was significantly associated with higher rigidity subscores, whereas left-sided anterior striatal and precentral cortical GM reduction were correlated with severity of axial symptoms. No significant morphometric associations were demonstrated for tremor subscores. In conclusion, we provide evidence for neuroanatomical patterns underpinning motor symptoms in early PD. PMID- 29201640 TI - Connectome analysis with diffusion MRI in idiopathic Parkinson's disease: Evaluation using multi-shell, multi-tissue, constrained spherical deconvolution. AB - Parkinson's disease (PD) is a progressive neurodegenerative disorder that affects extensive regions of the central nervous system. In this work, we evaluated the structural connectome of patients with PD, as mapped by diffusion-weighted MRI tractography and a multi-shell, multi-tissue (MSMT) constrained spherical deconvolution (CSD) method to increase the precision of tractography at tissue interfaces. The connectome was mapped with probabilistic MSMT-CSD in 21 patients with PD and in 21 age- and gender-matched controls. Mapping was also performed by deterministic single-shell, single tissue (SSST)-CSD tracking and probabilistic SSST-CSD tracking for comparison. A support vector machine was trained to predict diagnosis based on a linear combination of graph metrics. We showed that probabilistic MSMT-CSD could detect significantly reduced global strength, efficiency, clustering, and small-worldness, and increased global path length in patients with PD relative to healthy controls; by contrast, probabilistic SSST CSD only detected the difference in global strength and small-worldness. In patients with PD, probabilistic MSMT-CSD also detected a significant reduction in local efficiency and detected clustering in the motor, frontal temporoparietal associative, limbic, basal ganglia, and thalamic areas. The network-based statistic identified a subnetwork of reduced connectivity by MSMT-CSD and probabilistic SSST-CSD in patients with PD, involving key components of the cortico-basal ganglia-thalamocortical network. Finally, probabilistic MSMT-CSD had superior diagnostic accuracy compared with conventional probabilistic SSST CSD and deterministic SSST-CSD tracking. In conclusion, probabilistic MSMT-CSD detected a greater extent of connectome pathology in patients with PD, including those with cortico-basal ganglia-thalamocortical network disruptions. Connectome analysis based on probabilistic MSMT-CSD may be useful when evaluating the extent of white matter connectivity disruptions in PD. PMID- 29201639 TI - Visual feedback alters force control and functional activity in the visuomotor network after stroke. AB - Modulating visual feedback may be a viable option to improve motor function after stroke, but the neurophysiological basis for this improvement is not clear. Visual gain can be manipulated by increasing or decreasing the spatial amplitude of an error signal. Here, we combined a unilateral visually guided grip force task with functional MRI to understand how changes in the gain of visual feedback alter brain activity in the chronic phase after stroke. Analyses focused on brain activation when force was produced by the most impaired hand of the stroke group as compared to the non-dominant hand of the control group. Our experiment produced three novel results. First, gain-related improvements in force control were associated with an increase in activity in many regions within the visuomotor network in both the stroke and control groups. These regions include the extrastriate visual cortex, inferior parietal lobule, ventral premotor cortex, cerebellum, and supplementary motor area. Second, the stroke group showed gain-related increases in activity in additional regions of lobules VI and VIIb of the ipsilateral cerebellum. Third, relative to the control group, the stroke group showed increased activity in the ipsilateral primary motor cortex, and activity in this region did not vary as a function of visual feedback gain. The visuomotor network, cerebellum, and ipsilateral primary motor cortex have each been targeted in rehabilitation interventions after stroke. Our observations provide new insight into the role these regions play in processing visual gain during a precisely controlled visuomotor task in the chronic phase after stroke. PMID- 29201641 TI - Iron-related gene variants and brain iron in multiple sclerosis and healthy individuals. AB - Brain iron homeostasis is known to be disturbed in multiple sclerosis (MS), yet little is known about the association of common gene variants linked to iron regulation and pathological tissue changes in the brain. In this study, we investigated the association of genetic determinants linked to iron regulation with deep gray matter (GM) magnetic susceptibility in both healthy controls (HC) and MS patients. Four hundred (400) patients with MS and 150 age- and sex-matched HCs were enrolled and obtained 3 T MRI examination. Three (3) single nucleotide polymorphisms (SNPs) associated with iron regulation were genotyped: two SNPs in the human hereditary hemochromatosis protein gene HFE: rs1800562 (C282Y mutation) and rs1799945 (H63D mutation), as well as the rs1049296 SNP in the transferrin gene (C2 mutation). The effects of disease and genetic status were studied using quantitative susceptibility mapping (QSM) voxel-based analysis (VBA) and region of-interest (ROI) analysis of the deep GM. The general linear model framework was used to compare groups. Analyses were corrected for age and sex, and adjusted for false discovery rate. We found moderate increases in susceptibility in the right putamen of participants with the C282Y (+ 6.1 ppb) and H63D (+ 6.9 ppb) gene variants vs. non-carriers, as well as a decrease in thalamic susceptibility of progressive MS patients with the C282Y mutation (left: - 5.3 ppb, right: - 6.7 ppb, p < 0.05). Female MS patients had lower susceptibility in the caudate (- 6.0 ppb) and putamen (left: - 3.9 ppb, right: - 4.6 ppb) than men, but only when they had a wild-type allele (p < 0.05). Iron-gene linked increases in putamen susceptibility (in HC and relapsing remitting MS) and decreases in thalamus susceptibility (in progressive MS), coupled with apparent sex interactions, indicate that brain iron in healthy and disease states may be influenced by genetic factors. PMID- 29201642 TI - The effect of duration of illness and antipsychotics on subcortical volumes in schizophrenia: Analysis of 778 subjects. AB - Background: The effect of duration of illness and antipsychotic medication on the volumes of subcortical structures in schizophrenia is inconsistent among previous reports. We implemented a large sample analysis utilizing clinical data from 11 institutions in a previous meta-analysis. Methods: Imaging and clinical data of 778 schizophrenia subjects were taken from a prospective meta-analysis conducted by the COCORO consortium in Japan. The effect of duration of illness and daily dose and type of antipsychotics were assessed using the linear mixed effect model where the volumes of subcortical structures computed by FreeSurfer were used as a dependent variable and age, sex, duration of illness, daily dose of antipsychotics and intracranial volume were used as independent variables, and the type of protocol was incorporated as a random effect for intercept. The statistical significance of fixed-effect of dependent variable was assessed. Results: Daily dose of antipsychotics was positively associated with left globus pallidus volume and negatively associated with right hippocampus. It was also positively associated with laterality index of globus pallidus. Duration of illness was positively associated with bilateral globus pallidus volumes. Type of antipsychotics did not have any effect on the subcortical volumes. Discussion: A large sample size, uniform data collection methodology and robust statistical analysis are strengths of the current study. This result suggests that we need special attention to discuss about relationship between subcortical regional brain volumes and pathophysiology of schizophrenia because regional brain volumes may be affected by antipsychotic medication. PMID- 29201643 TI - Relationships between brain metabolite levels, functional connectivity, and negative mood in urologic chronic pelvic pain syndrome patients compared to controls: A MAPP research network study. AB - Until recently, the predominant pathology of chronic pelvic pain conditions was thought to reside in the peripheral tissues. However, mounting evidence from neuroimaging studies suggests an important role of the central nervous system in the pathogenesis of these conditions. In the present cross-sectional study, proton magnetic resonance spectroscopy (1H-MRS) of the brain was conducted in female patients with urologic chronic pelvic pain syndrome (UCPPS) to determine if they exhibit abnormal concentrations of brain metabolites (e.g. those indicative of heightened excitatory tone) in regions involved in the processing and modulation of pain, including the anterior cingulate cortex (ACC) and the anterior and posterior insular cortices. Compared to a group of age-matched healthy subjects, there were significantly higher levels of choline (p = 0.006, uncorrected) in the ACC of UCPPS patients. ACC choline levels were therefore compared with the region's resting functional connectivity to the rest of the brain. Higher choline was associated with greater ACC-to-limbic system connectivity in UCPPS patients, contrasted with lower connectivity in controls (i.e. an interaction). In patients, ACC choline levels were also positively correlated with negative mood. ACC gamma-aminobutyric acid (GABA) levels were lower in UCPPS patients compared with controls (p = 0.02, uncorrected), but this did not meet statistical correction for the 4 separate regional comparisons of metabolites. These results are the first to uncover abnormal GABA and choline levels in the brain of UCPPS patients compared to controls. Low GABA levels have been identified in other pain syndromes and might contribute to CNS hyper excitability in these conditions. The relationships between increased ACC choline levels, ACC-to-limbic connectivity, and negative mood in UCPPS patients suggest that this metabolite could be related to the affective symptomatology of this syndrome. PMID- 29201644 TI - Mean diffusivity in cortical gray matter in Alzheimer's disease: The importance of partial volume correction. AB - Mean diffusivity (MD) measured by diffusion tensor imaging can reflect microstructural alterations of the brain's gray matter (GM). Therefore, GM MD may be a sensitive marker of neurodegeneration related to Alzheimer's Disease (AD). However, due to partial volume effects (PVE), differences in MD may be overestimated because of a higher degree of brain atrophy in AD patients and in cases with mild cognitive impairment (MCI). Here, we evaluated GM MD changes in AD and MCI compared with healthy controls, and the effect of partial volume correction (PVC) on diagnostic utility of MD. We determined region of interest (ROI) and voxel-wise group differences and diagnostic accuracy of MD and volume measures between matched samples of 39 AD, 39 MCI and 39 healthy subjects before and after PVC. Additionally, we assessed whether effects of GM MD values on diagnosis were mediated by volume. ROI and voxel-wise group differences were reduced after PVC. When using these ROIs for predicting group separation in logistic models, both PVE corrected and uncorrected GM MD values yielded a poorer diagnostic accuracy in single predictor models than regional volume. For the discrimination of AD patients and healthy controls, the effect of GM MD on diagnosis was significantly mediated by volume of hippocampus and posterior cingulate ROIs. Our results suggest that GM MD measurements are strongly confounded by PVE in the presence of brain atrophy, underlining the necessity of PVC when using these measurements as specific metrics of microstructural tissue degeneration. Independently of PVC, regional MD was not superior to regional volume in separating prodromal and clinical stages of AD from healthy controls. PMID- 29201645 TI - Promoter haplotypes of interleukin-10 gene linked to cortex plasticity in subjects with risk of Alzheimer's disease. AB - The Alzheimer's disease (AD) aetiologic event is associated with brain inflammatory processes. In this study, we consider a haplotype of the IL-10 gene promoter region, - 1082A/- 819 T/- 592A (ATA haplotype), which is an additive and independent genetic risk factor for AD. Episodic memory change is the most striking cognitive alteration in AD. It remains unclear whether episodic memory networks can be affected by the ATA haplotype variant in amnestic mild cognitive impairment (aMCI), and if so, how this occurs. Thirty-nine aMCI patients and 30 healthy controls underwent resting-state functional magnetic resonance imaging. An imaging genetics approach was then utilized to investigate disease-related differences in episodic memory networks between the groups based on ATA haplotype by-aMCI interactions. Gene-brain-behaviour relationships were then further examined. This study found that the ATA haplotype risk variant was associated with abnormal functional communications in the hippocampus-frontoparietal cortices, especially in the left hippocampal network. Moreover, these ATA haplotype carriers showed a distinct phase of hyperactivity in normal aging, with rapid declines of brain function in aMCI subjects when compared to non-ATA haplotype carriers. These findings added to the accumulating evidence that promoter haplotypes of IL-10 may be important modulators of the development of aMCI. PMID- 29201646 TI - Laser scanning laser diode photoacoustic microscopy system. AB - The development of low-cost and fast photoacoustic microscopy systems enhances the clinical applicability of photoacoustic imaging systems. To this end, we present a laser scanning laser diode-based photoacoustic microscopy system. In this system, a 905 nm, 325 W maximum output peak power pulsed laser diode with 50 ns pulsewidth is utilized as the light source. A combination of aspheric and cylindrical lenses is used for collimation of the laser diode beam. Two galvanometer scanning mirrors steer the beam across a focusing aspheric lens. The lateral resolution of the system was measured to be ~21 MUm using edge spread function estimation. No averaging was performed during data acquisition. The imaging speed is ~370 A-lines per second. Photoacoustic microscopy images of human hairs, ex vivo mouse ear, and ex vivo porcine ovary are presented to demonstrate the feasibility and potentials of the proposed system. PMID- 29201647 TI - qPCR primer design revisited. AB - Primers are arguably the single most critical components of any PCR assay, as their properties control the exquisite specificity and sensitivity that make this method uniquely powerful. Consequently, poor design combined with failure to optimise reaction conditions is likely to result in reduced technical precision and false positive or negative detection of amplification targets. Despite the framework provided by the MIQE guidelines and the accessibility of wide-ranging support from peer-reviewed publications, books and online sources as well as commercial companies, the design of many published assays continues to be less than optimal: primers often lack intended specificity, can form dimers, compete with template secondary structures at the primer binding sites or hybridise only within a narrow temperature range. We present an overview of the main steps in the primer design workflow, with data that illustrate some of the unexpected variability that often occurs when theory is translated into practice. We also strongly urge researchers to report as much information about their assays as possible in their publications. PMID- 29201648 TI - Cultured fish epithelial cells are a source of alarm substance. AB - In various species of fishes, the importance of visual cues in the determination of environmental threat and subsequent predator avoidance is clear. Chemical cues also play an essential role facilitating predator avoidance. Among fish in the superorder Ostariophysi, club cells in the epidermis produce an alarm substance. Damage to the skin during a predation event releases an alarm substance (AS), which diffuses through the water column and binds to olfactory receptors of conspecifics. Fish then engage in a number of anti-predator behaviors that may include darting, schooling, or hiding. Behavioral responses to AS and physiological mechanisms that underlie those responses is an active area of study. However, because the precise chemical composition of the alarm substance is unknown, AS is not commercially available. Thus, when fish are challenged alarm substance in various experiments and assays it is obtained from skin extracts or via perfusion of shallow cuts in the epidermis. Both procedures are effective but require the animal to be sacrificed. In this manuscript, we report: *A non-invasive primary cell culture protocol to obtain alarm substance and does not require the model organism to be killed.*The demonstration of anti-predatory behaviors in fish exposed to alarm substance collected by this method. PMID- 29201649 TI - Direct deposition of silver nanoplates on quartz surface by sequence pre treatment hydroxylation and silanisation. AB - Silver nanoparticles deposited on quartz substrates are widely used as SERS substrates. The nanoparticles can be deposited directly from colloidal solution by dipping technique. However, the adhesion of the particles on the quartz surface is very poor. Normally the substrate is pre-treated with hydroxylation or silanisation process. In this paper, we have demonstrated that the application of the sequence pre-treatment hydroxylation and silanisation have improved the density of silver nanoplates desposited on the quartz surface. *Sequence hydroxylation and silanisation pre-treatment assists the deposition of the nanoplate on the surface.*Various immersion times of the quartz surface into the colloidal nanoplates determined size distributions and density surface of the nanoplates on the surface. PMID- 29201650 TI - Neutron microtomography of voids in gold. AB - Pilot attempt of the neutron microtomography of voids in gold carried out using the Neutron Microscope instrument is presented in the paper. The paper demonstrates that neutron microtomography provides viable alternative to X-ray imaging for the assessment of porosity in high atomic number materials. The model sample based on gold with artificially induced void system reveals segmented porosity with 5.4 micrometres voxel size and the spatial resolution close to 10 micrometres. PMID- 29201651 TI - Mental disease, alcoholism and XDR-TB: loss to follow-up and resistance, the cost of an inadequate approach. PMID- 29201652 TI - Tackling latent tuberculous infection as part of a strategy for achieving tuberculosis elimination targets in China. PMID- 29201653 TI - Why are HIV-infected people not started on antiretroviral therapy? A mixed methods study from Gujarat, India. AB - Setting: Five purposively selected antiretroviral therapy (ART) centres in Gujarat, India. Objectives: To assess the proportion of ART-eligible people living with the human immunodeficiency virus (PLHIV) who were not initiated on ART within 2 months of being recorded as eligible, to identify factors associated with non-initiation and to explore reasons from the provider's perspective. Design: We used a mixed-methods design (triangulation) of 1) a quantitative phase involving record reviews and cohort analysis (Poisson regression) of PLHIV registered during April 2014-March 2015, and 2) a qualitative phase involving one to-one interviews with 25 providers. Results: Of 2079 ART-eligible PLHIV, 339 (16%) were not started on ART within 2 months. PLHIV with CD4 counts of <350 cells/MUl and patients who were labourers, hospitalised, bedridden or registered with certain ART centres were more likely not to be initiated on ART. Qualitative results were categorised into two broad themes: government health system- and patient-related challenges, which validated and complemented the quantitative findings. Conclusion: Several patient subgroups at greater risk of ART non initiation were identified, along with reasons for risk; this has important programme implications for achieving the UNAIDS 90-90-90 goal, and particularly the second 90 component of having 90% of diagnosed PLHIV start ART. PMID- 29201654 TI - Increasing isoniazid preventive therapy uptake in an HIV program in rural Papua New Guinea. AB - Setting: Tuberculosis (TB) is the leading cause of death among people living with the human immunodeficiency virus (PLHIV) in Papua New Guinea. Despite a policy for isoniazid preventive therapy (IPT) among PLHIV, implementation has been slow. Objective: We prospectively evaluated a standardized guided screening process, including TB diagnostic support, to increase IPT initiation in adult PLHIV on antiretro-viral treatment. Design: The guided process included a paper-based IPT screening tool that prompted review of patient history and TB symptoms and sputum analysis by smear microscopy and Xpert(r) MTB/RIF. Chest X-ray was performed at the provider's discretion. We quantified the yield of this guided process on IPT initiation and detection of TB and rifampicin resistance, and examined the contributions of each diagnostic modality. Results: Among 532 patients, TB was ruled out and IPT initiated in 450 (84%). TB was diagnosed and treatment was started in 82 (15%) patients. Xpert detected rifampicin resistance in one of 21 patients (5%, 95%CI 0.24-21.3) with a positive Xpert result. All TB cases were diagnosed by chest X-ray and/or Xpert. No cases were diagnosed by sputum smear alone. Conclusion: A standardized guided process, including TB diagnostic support, successfully enabled IPT initiation and identified a large burden of undetected TB. PMID- 29201655 TI - Childhood tuberculosis in Mauritania, 2010-2015: diagnosis and outcomes in Nouakchott and the rest of the country. AB - Setting: The National Tuberculosis Programme, Mauritania. Objective: To compare the diagnosis and treatment outcomes of childhood tuberculosis (TB) cases (aged <15 years) registered between 2010 and 2015 inside and outside Nouakchott, the capital city. Design: This was a retrospective comparative cohort study. Results: A total of 948 children with TB were registered. The registration rate was 10 times higher in Nouakchott. The proportion of children among all TB cases was higher inside than outside Nouakchott (7.5% vs. 4.6%, P < 0.01). Under-fives represented 225 (24%) of all childhood TB cases, of whom 204 (91%) were registered in Nouakchott. Extra-pulmonary TB was more common in Nouakchott, while smear-negative TB was less common. Treatment success was similar inside and outside Nouakchott (national rate 61%). The principal unsuccessful outcomes were loss to follow-up outside Nouakchott (21% vs. 11%, P < 0.01) while transfers out were more common in the city (25% vs. 14%, P = 0.01). Being aged <5 years (OR 1.2, 95%CI 1.1-1.5) was associated with an unsuccessful outcome. Conclusion: This study indicates problems in the diagnosis and treatment of childhood TB in Mauritania, especially outside the city of Nouakchott. We suggest strengthening clinical diagnosis and management, improving communications between TB treatment centres and health services and pressing the TB world to develop more accurate and easy-to-use diagnostic tools for children. PMID- 29201656 TI - Age-stratified tuberculosis treatment outcomes in Zimbabwe: are we paying attention to the most vulnerable? AB - Setting: A high tuberculosis (TB) incidence, resource-limited urban setting in Zimbabwe. Objectives: To compare treatment outcomes among people initiated on first-line anti-tuberculosis treatment in relation to age and other explanatory factors. Design: This was a retrospective record review of routine programme data. Results: Of 2209 patients included in the study, 133 (6%) were children (aged <10 years), 132 (6%) adolescents (10-19 years), 1782 (81%) adults (20-59 years) and 162 (7%) were aged ?60 years, defined as elderly. The highest proportion of smear-negative pulmonary TB cases was among the elderly (40%). Unfavourable outcomes, mainly deaths, increased proportionately with age, and were highest among the elderly (adjusted relative risk 3.8, 95%CI 1.3-10.7). Having previous TB, being human immunodeficiency virus positive and not on antiretroviral treatment or cotrimoxazole preventive therapy were associated with an increased risk of unfavourable outcomes. Conclusion: The elderly had the worst outcomes among all the age groups. This may be related to immunosuppressant comorbidities or other age-related diseases mis-classified as TB, as a significant proportion were smear-negative. Older persons need better adapted TB management and more sensitive diagnostic tools, such as Xpert(r) MTB/RIF. PMID- 29201657 TI - Tuberculosis among migrants in Bishkek, the capital of the Kyrgyz Republic. AB - Setting: Twenty-two first-line, two second-line and one tertiary health facility in Bishkek, the capital of Kyrgyzstan. Objectives: Among migrants, a marginalised population at risk for acquiring and transmitting tuberculosis (TB), we determined the proportion with TB among all registered TB cases. For those registered at primary-level facilities, we then reported on their demographic and clinical profiles and TB treatment outcomes. Design: This was a retrospective cohort analysis of 2012-2013 programme data. Results: Of 2153 TB patients registered in all health facilities, 969 (45%) were migrants, of whom 454 were registered in first-line facilities. Of these, 27% were cross-border migrants, 50% had infectious TB and 12% had drug-resistant TB. Treatment success was 74% for new cases and 44% for retreatment TB (the World Health Organization target is ?85%). Failure in new and retreatment TB patients was respectively 8% and 25%. Twenty-six individuals started on a first-line anti-tuberculosis regimen failed due to multidrug-resistant TB. Eight (25%) of 32 individuals on a retreatment TB regimen also failed. Loss to follow-up was 10% for new and 19% for retreatment TB. Conclusion: Migrants constituted almost half of all TB patients, drug resistance is prevalent and treatment outcomes unsatisfactory. Fostering inter country collaboration and prioritising rapid TB diagnostics (Xpert(r) MTB/RIF) and innovative ways forward for improving treatment outcomes is urgent. PMID- 29201658 TI - Closing the gap: decentralising mental health care to primary care centres in one rural district of Rwanda. AB - Setting: Programmes that integrate mental health care into primary care settings could reduce the global burden of mental disorders by increasing treatment availability in resource-limited settings, including Rwanda. Objective: We describe patient demographics, service use and retention of patients in care at health centres (HC) participating in an innovative primary care integration programme, compared to patients using existing district hospital-based specialised out-patient care. Design: This was a retrospective cohort study using routinely collected data from six health centres and one district hospital from October 2014 to March 2015. Results: Of 709 patients, 607 were cared for at HCs; HCs accounted for 88% of the total visits for mental disorders. Patients with psychosis used HC services more frequently, while patients with affective disorders were seen more frequently at the district hospital. Of the 68% of patients who returned to care within 90 days of their first visit, 76% had a third visit within a further 90 days. There were no significant differences in follow-up rates between clinical settings. Conclusion: This study suggests that a programme of mentorship for primary care nurses can facilitate the decentralisation of out-patient mental health care from specialised district hospital mental health services to HCs in rural Rwanda. PMID- 29201659 TI - Mental disorders and drug/alcohol use in patients commencing extensively drug resistant tuberculosis treatment. AB - Mental disorders and alcohol/drug use worsen treatment outcomes for multidrug resistant tuberculosis (TB), but data are lacking for extensively drug-resistant (XDR) TB. We investigated the association of baseline mental disorders and alcohol/drug use on XDR-TB treatment outcomes in a retrospective study of 53 XDR TB Peruvian patients during 2010-2012. Logistic regression estimated the odds ratios for unfavourable XDR-TB treatment outcomes. Overall treatment success was 25%. Mental disorders and drug/alcohol use were found in respectively 22.4% and 20.4% of patients; neither were associated with unfavourable treatment outcomes. Future research should explore the relationship between mental health and drug/alcohol use in XDR-TB treatment outcomes. PMID- 29201660 TI - Operational aspects of bedaquiline implementation in Swaziland: report from the field. AB - Bedaquiline (BDQ) has been recommended by the World Health Organization for the treatment of multi-drug-resistant tuberculosis (MDR-TB) since 2013, but experience using the drug in high-burden, lower-income countries is limited and case studies are needed. Swaziland started using BDQ under national TB programme conditions in 2015 in four pilot sites. As of 1 December 2016, 93 patients had been initiated on BDQ, i.e., 19% of MDR-TB patients treated in the country. Swaziland has developed a systematic and efficient model for BDQ introduction in collaboration with several partners. This model is also being used to introduce other innovations and can serve as an example for other countries facing similar challenges. PMID- 29201661 TI - Occurrence of Clostridium perfringens in sausages sold in Meknes city, Morocco. AB - In Morocco, the consumption of meat products has experienced a sharp increase in recent years despite the presence of pathogenic bacteria due to hygiene failure. The present study was designed to determine the prevalence of Clostridium perfringens in sausages sold in Meknes city (Morocco) and to study the different factors affecting it contamination with this bacterium. To this end, 156 samples of sausages were taken in various shopping sites during one year from March 2014 to February 2015. The microbiological analysis was carried out using the specific medium for isolation and identification of C. perfringens. ANOVA test was used for Statistical analysis (p< 0.05). The results of this study showed the presence of C. perfringens in 77.56% (121 of 156) samples, with 88.88% (32 of 36) in street vendors, 79.16% (19 of 24) in a weekly market, 70.83% (51 of 72) in butchery and 62.5% (15 of 24) in a supermarket. The average rate was 2.42 Log CFU/g, with a minimum value of 0 CFU/g recorded in several outlets and a maximum value of 6.05 Log CFU/g recorded in butchery. This study reveals that the contamination rate of sausages with C. perfringens is related to the sausages origin, retail sites and seasonal variations related to temperature increase. PMID- 29201662 TI - Treatment of severe mitral regurgitation caused by lesions in both leaflets using multiple mitral valve plasty techniques in a small dog. AB - Mitral valve plasty (MVP) is preferred over mitral valve replacement (MVR) for mitral regurgitation in humans because of its favorable effect on quality of life. In small dogs, it is difficult to repair multiple lesions in both leaflets using MVP. Herein, we report a case of severe mitral regurgitation caused by multiple severe lesions in the posterior leaflet (PL) in a mixed Chihuahua. Initially, we had planned MVR with an artificial valve. However, MVP combined with artificial chordal reconstruction of both leaflets, semicircular suture annuloplasty, and valvuloplasty using a newly devised direct scallop suture for the PL was attempted in this dog. The dog recovered well and showed no adverse cardiac signs, surviving two major operations. The dog died 4 years and 10 months after the MVP due to non-cardiovascular disease. Our additional technique of using a direct scallop suture seemed useful for PL repair involving multiple scallops in a small dog. PMID- 29201663 TI - Freeze all Policy: An Expanded Strategy Before Its Clinical Approval. PMID- 29201664 TI - Vitrification of Mouse MII Oocyte Decreases the Mitochondrial DNA Copy Number, TFAM Gene Expression and Mitochondrial Enzyme Activity. AB - Background: The objective of this study was determination of the changes in the reactive oxygen species (ROS) level, mitochondrial DNA (mtDNA) copy number and enzyme activity and transcription factor A (TFAM) gene expression in oocytes after vitrification. Methods: The oocytes at metaphase II (MII) stage (n=320) were collected from super-ovulated adult female mice (n=40). These oocytes were divided into vitrified and non-vitrified groups (n=160 in each group). After vitrification of oocytes, ROS level, mtDNA copy number; TFAM gene expression and mitochondrial enzymes activity (cytochrome C oxidase and succinate dehydrogenase) were assessed and compared with non-vitrified group. Visualization of the mitochondria was done using Mitotracker green staining under confocal microscope. Data were compared by independent T-test. Values of p<0.05 were considered as statistically significant. Results: The survival rate of oocytes after vitrification and warming was 96.05%. The intensity of cytochrome C oxidase activity, mtDNA copy number and TFAM gene expression in non-vitrified oocytes were significantly lower and the level of ROS was higher in vitrified oocytes in comparison with non-vitrified group (p<0.05). But the intensity of succinate dehydrogenase activity was not significantly different between the two groups. The pattern of mitochondrial distribution in two groups of study was similar but the intensity of Mitotracker green in non-vitrified oocytes was significantly higher than vitrified oocytes (p<0.05). Conclusion: This study showed that vitrification of mouse MII oocytes reduced the mtDNA copy number and mitochondrial cytochrome C oxidase activity by increasing ROS level, thus the subsequent embryo development may be affected. PMID- 29201665 TI - The Effect of Curcumin on TNF-alpha, IL-6 and CRP Expression in a Model of Polycystic Ovary Syndrome as an Inflammation State. AB - Background: Having low-grade chronic inflammation such as elevated C-reactive protein (CRP), interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha) plays a crucial role in polycystic ovary syndrome (PCOS). This study aimed at investigating the therapeutic effects of curcumin on IL-6, CRP and TNF-alpha and symptoms of polycystic ovary syndrome. Methods: In this research, 72 female adult Wistar rats were divided into control (n=12), PCOS (n=12) and curcumin-treated PCOS groups (n=48). PCOS was induced by injection of estradiol valerate (2 mg/kg one-step). PCOS rats were divided into control and experimental groups which received daily intraperitoneal injection of curcumin. After 60 days of syndrome induction, ovaries were collected for histological and immunohistochemical evaluations. Serum IL-6 and CRP was detected by the ELISA kit. Data were analyzed using In-Stat 3 via one-way analysis of variance (ANOVA) and p<0.05 was considered statistically significant. Results: Histological studies showed a significant reduction in thickness of theca layer and increase in the number of corpus luteum (CL) diameter in the curcumin-treated group compared with the PCOS group; also inflammatory markers such as IL-6 and CRP significantly decreased in groups treated with curcumin compared with PCOS groups. Regarding immunohistochemical analysis, the expression of TNF-alpha in granulosa layer and follicular fluid of follicles and ovarian cysts in PCOS group was more than the control group's expression. However, expression of this factor in the ovaries treated with curcumin was decreased. Conclusion: This study showed that the anti inflammatory and antioxidant effects of curcumin on PCOS may be due to its inhibitory effect on expression and levels of TNF-alpha, serum IL-6 and CRP. PMID- 29201666 TI - Occult Form of Premature Ovarian Insufficiency in Women with Infertility and Oligomenorrhea as Assessed by Poor Ovarian Response Criteria. AB - Background: The purpose of this study was to evaluate the ability of poor ovarian response criteria to classify women presenting with infertility and oligomenorrhea as having "occult" premature ovarian insufficiency. Methods: This was a cross sectional study conducted at Aziz Medical Center, Karachi, Pakistan from 1st August 2015 to 31st July 2016. Women with infertility and oligomenorrhea were included. All eligible women underwent day 2 FSH level and an early follicular phase transvaginal ultrasound to assess the antral follicular count (AFC). All women then underwent the confirmatory test, of Anti-Mullerian Hormone (AMH) level. The main outcome measure was assignment to occult premature ovarian insufficiency (POI) after screening that used the criteria set out in fertility guideline for predicting the likely ovarian response to gonadotrophin stimulation. Another measure was to compare the sensitivity and specificity of the two index criteria, of FSH and AFC, relative to the emerging reference standard, of the AMH criterion. Results: The three criteria together classified 59 (34.91%) women as occult POI in those with oligomenorrhea. The sensitivity, specificity, negative predictive value and positive predictive value of FSH relative to AMH for these women were 77.8%, 95.7%, 90.2% and 89.4%, respectively whereas the same values of AFC relative to AMH were 92.6%, 99.1 %, 96.6% and 98%, respectively. Conclusion: Women with menstrual irregularity and infertility are at a higher risk for satisfying criteria of poor ovarian response irrespective of age. A policy incorporating these surrogate markers can be used to screen these women for occult premature ovarian insufficiency. PMID- 29201667 TI - The Effects of Adjuvant Therapies on Embryo Transfer Success. AB - Background: Many adjuvant therapies are employed during IVF treatment in an attempt to improve outcomes. The objective of our study was to evaluate the impact of thirteen adjuvants (Intralipid, steroids, melatonin, coenzyme Q10, Filgrastim, testosterone, DHEA, growth hormone, antibiotics, hCG infusion, aspirin, enoxaparin/heparin and dopamine agonists) on the success of embryo transfers. Methods: This is a retrospective cohort study of all embryo transfers between January 2010 and April 2015 from a multi-site IVF clinic. To ensure data independence, random number was applied to each included transfer and used to pick an individual transfer for each patient (n=13,372). Outcomes were clinical pregnancy, live birth and pregnancy loss. Univariate comparison with Chi square testing and logistic regression analysis were used. The level of significance was p<0.05. Results: Steroid use was significantly associated with both reduced clinical pregnancy loss (aOR 0.39, CI 0.19-0.76) and improved live birth rates (aOR 1.40, CI 1.11-1.77). While aspirin was associated with improved live birth rates (aOR 1.48, CI 1.08-2.02), melatonin was linked with reduced rates (aOR 0.66, CI 0.45-0.96). Analyses for all other adjuvant therapies did not reach statistical significance after logistic regression. Conclusion: Many of the interventions investigated in this study fail to significantly demonstrate any effects on the success of embryo transfers. Our analysis results show negative effects with the use of melatonin; however, use of aspirin or steroids demonstrated promising, potentially beneficial outcomes. Additional exploration is needed to guide evidence-based practice. PMID- 29201668 TI - Efficacy of Intrauterine Injection of Granulocyte Colony Stimulating Factor (G CSF) on Treatment of Unexplained Recurrent Miscarriage: A Pilot RCT Study. AB - Background: Endometrium undergoes several changes in structure and cellular composition during pregnancy. Granulocyte Colony-stimulating Factor (GCS-F) is an important cytokine with critical role in embryo implantation and pregnancy. The aim of the present study was to evaluate the impact of intrauterine injection of G-CSF in patients who suffer from unexplained recurrent miscarriage (RM). Methods: In the present randomized clinical trial, a total of 68 patients were randomly allocated into two study groups including intrauterine G-CSF (n=23, 300 MUg) injection and control group (n=27, no G-CSF injection). Eighteen out of 68 patients were excluded from the final analysis due to different reasons. All patients were in Ovulation Induction (I/O) cycle. In G-CSF group, intrauterine injection of G-CSF was done twice in the cycle. All enrolled patients were under 40 years old and had at least two unexplained pregnancy losses. Pregnancy was evaluated by titer of betahCG, presence of gestational sac (implantation) and fetal heart rate (clinical pregnancy) was assessed by vaginal ultrasonography. Student's T test and Mann-Whitney U were used for analysis. The p<=0.05 was determined as statistically significant. Results: No significant differences were observed between the two study groups when the rates of chemical pregnancy (26.1% vs. 29.6%, p=0.781), implantation (26.1% vs. 22.2%, p=0.750), clinical pregnancy (17.4% vs. 11.1%, p=0.689) and abortion (33% vs. 37.5%, p=0.296) were compared. Conclusion: In our study, no significant difference was observed between the two study groups when the rates of chemical pregnancy, implantation, clinical pregnancy and abortion were compared. PMID- 29201669 TI - Comparison of Outcomes of IVF Cycles Between Transferred Frozen Thawed Embryos and Fresh Embryos by a 2 Year Survey. AB - Background: Infertility as one of most concerning topics in childbearing age mothers needs better managements with less complications and IVF can be assumed as an efficient method. This study aimed to compare pregnancy outcomes in fresh and frozen embryos transferred in IVF cycles. Methods: In a retrospective study, 11201 patients underwent IVF cycles from 21st March 2013 to 20th March 2014 and they were categorized into two groups according to age, previous tubal disease and surgery, tubal ligation, and previous ectopic pregnancy variables. Clinical pregnancy, ectopic pregnancy, multiple pregnancy, spontaneous abortion and preterm labor rates were compared in both groups. Results: 11201 patients were categorized in two groups. Results of 4149 frozen-thawed embryo transfer cycles showed 1281 clinical pregnancies (30.9%) and 7052 fresh embryo transfer cycles which led to 2085 clinical pregnancies (29.6%) without significant differences between groups (p=0.14). Ectopic pregnancy rates in frozen and fresh groups were 38 (3%) and 52 (2.5%), respectively (p=0.409). Spontaneous abortion rates in frozen and fresh groups were 8.4% and 9.4%, respectively (p=0.32). Preterm labor was seen in both frozen and fresh groups as 28.2% and 23.4%, respectively (p=0.002) and finally, multigestational pregnancy rate was 25.7% and 22.8% in frozen and fresh groups (p=0.06). Conclusion: According to this study, frozen and fresh embryo transfer cycles were not significantly different in clinical pregnancy, ectopic pregnancy, multigestational pregnancy rates, but preterm labor was dominant in frozen group, which should not be overlooked. PMID- 29201670 TI - Coexistent Circumvallate Placenta and Battledore Insertion of Umbilical Cord Resulting in Grave Obstetric Outcome: A Case Report. AB - Background: Various placental and cord abnormalities have been known to adversely affect the obstetric outcome. Circumvallate placenta and Battledore insertion of the umbilical cord are both rare and known to be associated with poor obstetric outcome individually. Case Presentation: In this case report, the woman presented at 8 months of gestation with preeclampsia with IUFD to North Easter Indira Gandhi Regional Institute of Health and Medical Science Shillong on 22/7/16 and delivered a macerated fetus vaginally. After delivery, examination revealed both a circumvallate placenta and Battledore insertion of umbilical cord. This might have attributed to preeclampsia and ultimately IUFD in this case as she had no other identifiable cause for IUFD. Conclusion: If such placental and cord abnormalities are suspected or diagnosed antenatally by ultrasonography, the pregnancy should be regarded as high risk. Such woman would require more stringent follow up in the antenatal period and continuous intrapartum monitoring to avoid any catastrophe and to achieve a favorable maternal and fetal outcome. PMID- 29201671 TI - Early Fertilization Abnormalities in the Human: An Exhausted Area of Research? PMID- 29201672 TI - ESICONs and Expectations by the Endocrine Society of India. PMID- 29201673 TI - The Next Steps...for IJEM. PMID- 29201674 TI - ESICON 2017. PMID- 29201675 TI - Prevalence and Risk Factors of Asymptomatic Gallstone Disease in North-East Part of Bangladesh. AB - Background: The study was designed to assess the prevalence of asymptomatic gallstone disease in North-East part of Bangladesh. Materials and methods: Randomly selected asymptomatic persons, unknown to have gallstone disease, from both rural and urban areas were enrolled. They were subjected to abdominal ultrasonography and findings were recorded in a data sheet. Results: Total 1,019 persons (316 males and 703 females) were examined. Age of them varied from 18 to 80 years with mean age of 37.22 years. Out of them, 61 (6%) persons were found to have gallstone. Among them, 14 were males and 47 were females. Both male and females of age below 40 years were more affected. Gallstone disease was found more commonly among housewives and middle class people. Among 61 patients with gallstone, seven were underweight (11.47%), 32 (52.45%) had normal weight and 22 (36.06%) were overweight, obese or extremely obese. But, this difference was not statistically significant (p = 0.894). Conclusion: Prevalence of asymptomatic gallstone disease was found in 6% apparently healthy subjects of North-East part of Bangladesh. It was more prevalent among housewives and middle class group of population. It is also common among the people of age group below 40 years. How to cite this article: Saha M, Nahar K, Hosen MMA, Khan MH, Saha SK, Shil BC, Rahman MH. Prevalence and Risk Factors of Asymptomatic Gallstone Disease in North East Part of Bangladesh. Euroasian J Hepato-Gastroenterol 2015;5(1):1-3. PMID- 29201676 TI - Nonalcoholic Fatty Liver Disease: Study of Demographic and Predictive Factors. AB - Background: Nonalcoholic fatty liver disease (NAFLD) represents a spectrum of liver disease characterized by excess of fat in liver which ranges from simple steatosis to nonalcoholic steato-hepatitis (NASH), cirrhosis and hepatocellular carcinoma (HCC) in the absence of excessive alcohol consumption. Materials and methods: The study was carried out in 216 with serologically defined fatty liver. They underwent detailed history evaluation, clinical examination and anthropometric measurements, biochemical and serological tests. The cut-off values for central obesity were waist hip ratio (WHR) > 0.85 in women and > 0.9 in men. Results: The prevalence of NAFLD was highest in the age group of 31 to 60 years. It was more common in males than females. Twenty cases (11.7%) had discomfort at right upper abdomen. Hepatomegaly was found in 27 patients (13.2%), impaired glucose tolerance (IGT) in 29 (14.21%) and diabetes mellitus in 38 (18.63%) patients. Overweight or obesity was found in 110 (53.92%) cases and central obesity was seen in 129 (63.23%) patients. Hence, metabolic syndrome (according to International Diabetes Federation Criteria) was present in 62.25% cases of NAFLD. Alanine aminotransferase (ALT) more than upper limit of normal was found in 36.76% cases. Conclusion: Risk factors for NAFLD in Bangladesh are similar to reported from the rest of the world. Age more than 30 years, male sex, WHR > 0.9 in men and more than 0.85 in female, BMI more than 25, glucose intolerance are predictive factors for NAFLD. How to cite this article: Shil BC, Saha M, Ahmed F, Dhar SC. Nonalcoholic Fatty Liver Disease: Study of Demographic and Predictive Factors. Euroasian J Hepato-Gastroenterol 2015;5(1):4-6. PMID- 29201677 TI - Hepatitis B Core Antigen in Hepatocytes of Chronic Hepatitis B: Comparison between Indirect Immunofluorescence and Immunoperoxidase Method. AB - Background: Hepatitis B virus (HBV) infection has many faces. Precore and core promoter mutants resemble inactive carrier status. The identification of hepatitis B core antigen (HBcAg) in hepatocytes may have variable clinical significance. The present study was undertaken to detect HBcAg in chronic hepatitis B (CHB) patients and to assess the efficacy of detection system by indirect immunofluorescence (IIF) and indirect immunoperoxidase (IIP). Materials and methods: The study was done in 70 chronic HBV-infected patients. Out of 70 patients, eight (11.4%) were hepatitis B e antigen (HBeAg) positive and 62 (88.57%) were HBeAg negative. Hepatitis B core antigen was detected by indirect immunofluorescence (IIF) and indirect immunoperoxidase (IIP) methods in liver tissue. Results: All HBeAg positive patients expressed HBcAg by both IIF and IIP methods. Out of 62 patients with HBeAg-negative CHB, HBcAg was detected by IIF in 55 (88.7%) patients and by IIP in 51 (82.26%) patients. A positive relation among viral load and HBcAg detection was also found. This was more evident in the case of HBeAg negative patients and showed a positive relation with HBV DNA levels. Conclusion: Hepatitis B core antigen can be detected using the IIF from formalin fixed paraffin block preparation and also by IIP method. This seems to reflect the magnitudes of HBV replication in CHB. How to cite this article: Raihan R, Tabassum S, Al-Mahtab M, Nessa A, Jahan M, Kabir CMS, Kamal M, Aguilar JC. Hepatitis B Core Antigen in Hepatocytes of Chronic Hepatitis B: Comparison between Indirect Immunofluorescence and Immunoperoxidase Method. Euroasian J Hepato-Gastroenterol 2015;5(1):7-10. PMID- 29201678 TI - Evaluation of a Rapid One-step Real-time PCR Method as a High-throughput Screening for Quantification of Hepatitis B Virus DNA in a Resource-limited Setting. AB - : Virological monitoring is the best predictor for the management of chronic hepatitis B virus (HBV) infections. Consequently, it is important to use the most efficient, rapid and cost-effective testing systems for HBV DNA quantification. The present study compared the performance characteristics of a one-step HBV polymerase chain reaction (PCR) vs the two-step HBV PCR method for quantification of HBV DNA from clinical samples. A total of 100 samples consisting of 85 randomly selected samples from patients with chronic hepatitis B (CHB) and 15 samples from apparently healthy individuals were enrolled in this study. Of the 85 CHB clinical samples tested, HBV DNA was detected from 81% samples by one-step PCR method with median HBV DNA viral load (VL) of 7.50 * 103 lU/ml. In contrast, 72% samples were detected by the two-step PCR system with median HBV DNA of 3.71 * 103 lU/ml. The one-step method showed strong linear correlation with two-step PCR method (r = 0.89; p < 0.0001). Both methods showed good agreement at Bland Altman plot, with a mean difference of 0.61 log10 IU/ml and limits of agreement of -1.82 to 3.03 log10 IU/ml. The intra-assay and interassay coefficients of variation (CV%) of plasma samples (4-7 log10 IU/ml) for the one-step PCR method ranged between 0.33 to 0.59 and 0.28 to 0.48 respectively, thus demonstrating a high level of concordance between the two methods. Moreover, elimination of the DNA extraction step in the one-step PCR kit allowed time-efficient and significant labor and cost savings for the quantification of HBV DNA in a resource limited setting. How to cite this article: Rashed-Ul Islam SM, Jahan M, Tabassum S. Evaluation of a Rapid One-step Real-time PCR Method as a High throughput Screening for Quantification of Hepatitis B Virus DNA in a Resource limited Setting. Euroasian J Hepato-Gastroenterol 2015;5(1):11-15. PMID- 29201679 TI - The Value of Serum CA19-9 Levels in predicting Extent of Hepatic Fibrosis in Patients with Chronic Hepatitis B. AB - : This cross-sectional observational study was conducted to evaluate the implication of CA19-9 level in predicting the extent of hepatic fibrosis in patients with chronic hepatitis B (CHB). Fifty treatment-naive patients with CHB were divided into three groups: group I, patients with no fibrosis (F0; n = 3); group II, patients with mild fibrosis (F1; n = 25) and group III, patients with moderate fibrosis (F3; n = 22). There was no significant (p > 0.05) difference in levels of serum bilirubin, serum alanine aminotransferase, alkaline phosphatase, and alpha fetoprotein among groups I, II and III. Also, mean CA19-9 level did not differ among the three groups. It was observed that, for group II, AUC was 42.6%, sensitivity 52%, specificity 32%, considering cut-off value as 2.8 U/ml to predict F1 liver fibrosis. For group III, AUC was 57.7%, sensitivity 68%, specificity 50% considering cut-off value as 3.2 U/ml to predict F3 fibrosis. The levels of CA19-9 level do not seem to have significant predictive implication to assess hepatic fibrosis. How to cite this article: Haque MS, Sultana S, Al-Mahtab M, Al-Mamun A, Rahman S. The Value of Serum CA19-9 Levels in predicting Extent of Hepatic Fibrosis in Patients with Chronic Hepatitis B. Euroasian J Hepato Gastroenterol 2015;5(1):16-18. PMID- 29201680 TI - Current Concepts in Hepatocellular Carcinoma and Liver Transplantation: A Review and 2014 Update. AB - : Hepatocellular carcinoma (HCC) is the fifth most common cancer worldwide. Multiple treatment modalities for HCC are available, depending on size and number of tumor. Liver transplantation offers the most reasonable option for curative treatment, because it simultaneously removes the burden of the diseased liver. The Milan criteria currently remain the benchmark for the selection of patients with HCC for transplantation. However, there is considerable and promising interest in expanding the eligibility criteria to include the University of California San Francisco criteria. Liver transplantation (LT) has progressed during the past decade. The introduction of living donor LT has provided a means of expanding organ transplant, but with some inherent concerns. Herein, we reviewed the diagnosis and management of HCC with emphasis on the current concepts of liver transplantation for the treatment of HCC. How to cite this article: Ofosu A, Gurakar A. Current Concepts in Hepatocellular Carcinoma and Liver Transplantation: A Review and 2014 Update. Euroasian J Hepato-Gastroenterol 2015;5(1):19-25. PMID- 29201682 TI - Epidemiology of Viral Hepatitis and Liver Diseases in Cambodia. AB - : In Cambodia, the true burden of viral hepatitis has not been revealed, but many surveys were carried out focusing on specific population or on small scales. Different markers of viral hepatitis were found between 27 and 97% in children and almost 100% in adults. Viral hepatitis B in children was 3.5% in 2006 and dropped in 2011; and in adults, it ranged from 4.5 to 10.8%. Viral hepatitis C was between 0.87 and 14.7%. No data are available for hepatitis D in the country. Viral hepatitis E (anti-HEV IgG) went from 7.2 to 12.7%. The complications due to viral hepatitis including chronic liver diseases and hepatocellular carcinoma were reported in the health information system. Around 79% of the patients with high transaminase had at least one viral marker and about 45% of the adults with chronic hepatitis and liver cirrhosis were positive for Hepatitis B surface antigen (HBsAg). Hepatocellular carcinoma accounted for 19.1% of all reported cancer cases. Hepatitis B surface antigen was found in between 55 and 90% in adults with hepatocellular carcinoma and anti-HCV in one-fourth. The only intervention implemented in Cambodia is vaccination against viral hepatitis B (HepB vaccine). How to cite this article: Sreng B, Kimcheng HOK, Sovann LY, Huot ENG. Epidemiology of Viral Hepatitis and Liver Diseases in Cambodia. Euroasian J Hepato-Gastroenterol 2015;5(1):30-33. PMID- 29201681 TI - Epidemiology of Viral Hepatitis and Liver Diseases in Bangladesh. AB - : Bangladesh is a South Asian country with a homogeneous population. However, some difference has been demonstrated in the distribution of liver disease in different parts of the country. Hepatitis E remains the principal cause of acute hepatitis in Bangladesh, while chronic liver disease in Bangladesh, including hepatocelullar carcinoma, is predominantly due to hepatitis B virus. Hepatitis B has been extensively studied and characterized in Bangladesh, and some major clinical trials with HBV-related antigens have also been conducted. How to cite this article: Al-Mahtab M. Epidemiology of Viral Hepatitis and Liver Diseases in Bangladesh. Euroasian J Hepato-Gastroenterol 2015;5(1):26-29. PMID- 29201683 TI - Epidemiology of Viral Hepatitis and Liver Diseases in India. AB - : Diverse Indian population provides an excellent opportunity to study the prevalence and feature of hepatitis virus for understanding viral evaluation and viral pathogenesis. India is in intermediate zone of pathogenesis of hepatitis B (2-5%), and India is having around 40 million hepatitis B virus (HBV) carriers. A wide variation in prevalence of hepatitis B is observed from region to region and community to community. The prevalence of HBV is higher among tribal population, than nontribal. Population prevalence of hepatitis C virus (HCV) infection in India is 1%. Prevalence study among blood donors may reflect population prevalence. Hemodialysis increases the possibility of blood borne viral infection. Higher prevalence of HBV among tribal population is of paramount importance from public health point of view and hepatitis B vaccination. How to cite this article: Bhaumik P. Epidemiology of Viral Hepatitis and Liver Diseases in India. Euroasian J Hepato-Gastroenterol 2015;5(1):34-36. PMID- 29201684 TI - Epidemiology of Viral Hepatitis and Liver Diseases in Mongolia. AB - : Mongolia which is located in Northern Asia between Russia and China is endowed with one of lowest population density in the world. Acute hepatitis due all types of hepatitis virus has been reported in Mongolia. Also, dual and triple hepatitis viruses, HBV, HDV and HCV are highly prevalent among patients with chronic liver disease living in Mongolia. Due to these facts, liver cancer is the leading cause of cancer mortality in Mongolia. The national immunization program including vaccination against hepatitis B was started in 1991 and screening of blood donations for HBsAg and anti-HCV was introduced in 1993 and 1997 respectively. The incidence of hepatitis viruses showing a downhill course in some parts of Mongolia, but comprehensive efforts are needed to control hepatitis viruses and containment of hepatitis related liver diseases and liver cancer in Mongolia. How to cite this article: Tsatsralt OB. Epidemiology of Viral Hepatitis and Liver Diseases in Mongolia. Euroasian J Hepato-Gastroenterol 2015;5(1):37-39. PMID- 29201685 TI - Epidemiology of Viral Hepatitis and Liver Diseases in Nepal. AB - : Geographical and ethnic diversity in Nepal has led to interesting epidemiology of viral hepatitis and liver diseases. Before the epidemic of Biratnagar that occurred in April to June 2014, Kathmandu was the only known endemic region for hepatitis E virus infection (HEV), where at least four previous epidemics have been documented since 1973. Due to rapid urbanization with still low socioeconomic condition, other major cities are appreciated to be at increasing risk of outbreaks. Characteristics of HEV epidemics and genetic changes of HEV during last decade have been studied. While hepatitis A virus infection was only common during childhood till recent years, it is re-emerging as an important etiology of acute hepatitis in young adults. Nepal is classified as low endemic region for hepatitis B virus infection (HBV) with overall seroprevalence of 1.1%. But, some ethnic groups and geographical areas have high prevalence rates. Despite low endemicity, HBV accounts for majority of cases of hepatocellular carcinoma and liver cirrhosis in the country. Similarly, though hepatitis C virus (HCV) is present in only 0.4% of general population, high seroprevalence was found among intravenous drug abusers many of them with HIV coinfection. Apart from hepatitis viruses, alcohol use also contributes significantly to liver cirrhosis and chronic liver failure. A unique form of hepatic venous outflow obstruction called 'hepatic vena cava syndrome' has been identified as an important etiology of liver cirrhosis and hepatocellular carcinoma. How to cite this article: Shrestha A. Epidemiology of Viral Hepatitis and Liver Diseases in Nepal. Euroasian J Hepato-Gastroenterol 2015;5(1):40-42. PMID- 29201686 TI - Epidemiology of Viral Hepatitis and Liver Diseases in Pakistan. AB - : Pakistan is among ten most populous countries in world. All sorts of hepatitis are highly prevalent in Pakistan. Due to lack of proper mechanisms to handle sewerage, disinfection and lack of clean water supply across the country, hepatitis A and E are endemic in Pakistan. Moreover, Pakistan ranked in intermediate prevalence zone for hepatitis B and C. Also, prevailing socioeconomic conditions, political statuses and unstable healthcare delivery system are not suitable for tackling further progression of hepatitis viruses and its complications. The notable factors related to epidemiology of different hepatitis viruses have been described in this communication. How to cite this article: Butt AS. Epidemiology of Viral Hepatitis and Liver Diseases in Pakistan. Euroasian J Hepato-Gastroenterol 2015;5(1):43-48. PMID- 29201687 TI - Epidemiology of Hepatitis B and C Virus Infections and Liver Cancer in Vietnam. AB - : Vietnam has been a highly endemic country of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections with high hepatitis B surface antigen (HBsAg) rate (8.8-19.0%) and high anti-HCV rate (1.0-3.3%) among general population. High mortality rates of liver cancer were also estimated from 14.8 to 23.7 per 100,000. Recently, the coverage of universal HB vaccination for infants has not been high as expected while there have been no other national programs against HBV and HCV infections yet. The burden of HBV and HCV-related diseases is predicted to remain a significant health problem in next decade. How to cite this article: Do SH. Epidemiology of Hepatitis B and C Virus Infections and Liver Cancer in Vietnam. Euroasian J Hepato-Gastroenterol 2015;5(1):49-51. PMID- 29201688 TI - A Case of Acute Pancreatitis developing after Extracorporeal Shock Wave Lithotripsy. AB - : Extracorporeal shock wave lithotripsy (ESWL) is a standard treatment method used for the treatment of renal calculi and upper ureteral calculi. Acute pancreatitis is a serious condition which develops due to multiple etiologic factors and is characterized by autodigestion of the pancreas. A case of acute pancreatitis which developed following ESWL performed for right renal calculi treatment is presented here. How to cite this article: Goral V, Sahin E, Arslan M. A Case of Acute Pancreatitis developing after Extracorporeal Shock Wave Lithotripsy. Euroasian J Hepato-Gastroenterol 2015;5(1):52-54. PMID- 29201689 TI - A Case Report of Decompensated Cirrhosis of Liver with Sideroblastic Anemia. AB - : A 35-year-old man was admitted to hospital with severe anemia. Two years back, he had presented with bleeding esophageal varices and subsequently diagnosed as a case of chronic liver disease with portal hypertension. He was then treated with esophageal band ligation. He tested positive for hepatitis B surface antigen with HBV DNA levels of 4 * 106 copies/ml by PCR. His repeat endoscopy showed grade 1 esophageal varices with no evidence of recent or active bleeding. On further investigation, his bone marrow showed dimorphic erythroid hyperplasia with ring sideroblasts and diagnosis of sideroblastic anemia was made. Although rarely, it was suggested that as cirrhosis is a chronic process, it may cause nutritional deficiency, which in turn may lead to the development of anemia. How to cite this article: Al-Mahtab M, Rahim A, Noor-e-Alam SM, Khandokar FA, LutfulMubin A, Rahman S. A Case Report of Decompensated Cirrhosis of Liver with Sideroblastic Anemia. Euroasian J Hepato-Gastroenterol 2015;5(1):55-56. PMID- 29201690 TI - Abdominal Tuberculosis: A Diagnostic Dilemma. AB - : According to the World Health Organization, more than 2 billion people are estimated to be infected with tuberculosis (TB) and approximately 95% of tuberculosis cases occur in developing countries. Extrapulmonary forms of tuberculosis constitute approximately one-sixth of all cases and the prevalence of extrapulmonary tuberculosis (TB) seems to be rising, particularly due to increasing prevalence of acquired immunodeficiency syndrome (AIDS). In patients with extrapulmonary TB, abdomen is involved in 12% of patients. Gastrointestinal involvement is found in 66 to 75% of abdominal cases, with the terminal ileum and the ileocecal region being the most common sites of involvement. Here, we report a case of abdominal TB. How to cite this article: Tarafder AJ, Al-Mahtab M, Das SR, Karim R, Rahaman H, Rahman S. Abdominal Tuberculosis: A Diagnostic Dilemma. Euroasian J Hepato-Gastroenterol 2015;5(1):57-59. PMID- 29201691 TI - Epstein-Barr Virus and Cytomegalovirus induced Acute Hepatitis in Young Female Patient. AB - : Acute hepatitis is a disorder that goes with liver cell necrosis and liver inflammation. Among the causes of acute hepatitis, the most common reasons are viral hepatitis. About 95% of the acute hepatitis generate because of hepatotropic viruses. Epstein-barr virus (EBV) and cytomegalovirus (CMV) are from the family of herpes viruses and rare causes of acute hepatitis. In this case report, acute hepatitis due to EBV and CMV coinfection will be described. How to cite this article: Ates I, Kaplan M, Yilmaz N, Ciftci F. Epstein-Barr Virus and Cytomegalovirus induced Acute Hepatitis in Young Female Patient. Euroasian J Hepato-Gastroenterol 2015;5(1):60-61. PMID- 29201692 TI - Brain Death after Liver Transplantation for Fulminant Hepatic Failure: A Report of Two Cases. AB - : Cerebral injury may persist and brain death may occur following an emergency liver transplantation (LT) for fulminant hepatic failure (FHF) even if the graft functions well. We herein present two patients developing brain death following emergency LT for FHF. How to cite this article: Akoglu M, Surmelioglu A, Ozer I, Ercan M, Ulas M, Akdogan M, Bostanci EB. Brain Death after Liver Transplantation for Fulminant Hepatic Failure: A Report of Two Cases. Euroasian J Hepato Gastroenterol 2015;5(1):62-64. PMID- 29201693 TI - Complicated Hydatid Cyst: Ultrasonographic Illusion and Endoscopic Diagnosis. AB - : Liver cyst hydatic (LCH) is an important parasitic disease caused by Echinococcus spp. Rupture of the biliary tract is an important and serious complication. It is often diagnosed on a suspicious clinical findings by radiologic imaging procedures. But, complicated hydatid cyst disease can show different radiological images, as they can simulate any disease. Here, we reported a case which diagnosed cholangiocellular carcinoma in primary diagnosis by ultrasonographic evaluation but diagnosed hydatid cyst in endoscopy evaluation. A 30-year-old female patient was admitted to the hospital with 1 year continuous severe abdominal pain aggravated for 1 month. How to cite this article: Kefeli A, Basyigit S, Yeniova AO, Nazligul Y. Complicated Hydatid Cyst: Ultrasonographic Illusion and Endoscopic Diagnosis. Euroasian J Hepato Gastroenterol 2015;5(1):65-66. PMID- 29201694 TI - Editorial. PMID- 29201695 TI - Recording and Analysis of Bowel Sounds. AB - Background: The aim of this study was to construct an electronic bowel sound recording system and determine its usefulness for the diagnosis of appendicitis, mechanical ileus and diffuse peritonitis. Materials and methods: A group of 67 subjects aged 17 to 88 years including 15 controls was examined. Bowel sounds were recorded using an electret microphone placed on the right side of the hypogastrium and connected to a laptop computer. The method of adjustable grids (converted into binary matrices) was used for bowel sounds analysis. Results: Significantly, fewer (p <= 0.05) sounds were found in the mechanical ileus (1004.4) and diffuse peritonitis (466.3) groups than in the controls (2179.3). After superimposing adjustable binary matrices on combined sounds (interval between sounds <0.01 s), significant relationships (p <= 0.05) were found between particular positions in the matrices (row-column) and the patient groups. These included the A1_T1 and A1_T2 positions and mechanical ileus as well as the A1_T2 and A1_T4 positions and appendicitis. For diffuse peritonitis, significant positions were A5_T4 and A1_T4. Conclusion: Differences were noted in the number of sounds and binary matrices in the groups of patients with acute abdominal diseases. Certain features of bowel sounds characteristic of individual abdominal diseases were indicated. List of abbreviations: BS: bowel sound; APP: appendicitis; IL: mechanical ileus; PE: diffuse peritonitis; CG: control group; NSI: number of sound impulses; NCI: number of combined sound impulses; MBS: mean bit-similarity; TMIN: minimum time between impulses; TMAX: maximum time between impulses; TMEAN: mean time between impulses. How to cite this article: Zaborski D, Halczak M, Grzesiak W, Modrzejewski A. Recording and Analysis of Bowel Sounds. Euroasian J Hepato-Gastroenterol 2015;5(2):67-73. PMID- 29201696 TI - Expressions of TIMP-1, COX-2 and MMP-7 in Colon Polyp and Colon Cancer. AB - Objective: We aimed to investigate the relationship of expression of matrix metalloproteinase-7 (MMP-7), tissue inhibitor of metalloproteinase-1 (TIMP-1) and cyclooxygenase-2 (COX-2) in colon cancer and its predecessor colon polyp. Materials and methods: This study included 29 patients with colon polyp, 19 patients with colon cancer and 65 healthy control subjects. The expressions of MMP-7, TIMP-1 and COX-2 were investigated by real time-polymerase chain reaction (RT-PCR). Results: The expressions of TIMP-1, COX-2 and MMP-7 levels were significantly higher in polyp tissue compared to normal tissue (p = 0.024, p < 0.001, p = 0.009, respectively). Expression of TIMP-1, COX-2 and MMP-7 in cancer tissues were higher than both normal tissue and polyp tissue (p = 0.009 and p = 0.001; p < 0.001 and p < 0.001; p = 0.029 and p = 0.008, respectively). In the cancer group, no significant relationship was detected between metastasis and MMP 7, TIMP-1 and COX-2 expressions (p > 0.05). In the polyp tissues, no significant relationship was detected between the histologic type and size of polyps and MMP 7, TIMP-1 and COX-2 levels (p > 0.05). The areas under the receiver operating characteristic (ROC) curve for the cancer group were 0.821 for TIMP-1, 0.888 for COX-2, and 0.880 for MMP-7 (p = 0 < 0.001). Conclusion: A role and implication of expressions of MMP-7, COX-2 and TIMP-1 in colon cancer is predicted. How to cite this article: Bengi G, Keles D, Topalak O, Yalcin M, Kiyak R, Oktay G. Expressions of TIMP-1, COX-2 and MMP-7 in Colon Polyp and Colon Cancer. Euroasian J Hepato-Gastroenterol 2015;5(2):74-79. PMID- 29201697 TI - Liver Transplantation in Cases with Acute Liver Failure. AB - Background: Acute liver failure (ALF) is a rare, life-threatening clinical condition that is characterized by severe hepatocellular necrosis, jaundice, coagulopathy and encephalopathy. The aim of this study was to evaluate patients who underwent liver transplantation at Dokuz Eylul University of Medicine Faculty (DEUMF) due to ALF. Materials and methods: The patients who underwent liver transplantation at DEUMF due to ALF were evaluated retrospectively. Results: All of the liver transplantations performed in this study were successful; toxicity was the major cause of ALF in these patients (84%). Conclusion: Results of this study may not be generalizable to all of Turkey since the patients included in this study were only from one region. However, our study is in accordance with others that show that liver transplantation is a very safe and effective method for the treatment of ALF. How to cite this article: Yalcin M, BengI G, Akarsu M, Inek T, Astarcioslu I. Liver Transplantation in Cases with Acute Liver Failure. Euroasian J Hepato-Gastroenterol 2015;5(2):80-82. PMID- 29201698 TI - Drug-induced Liver Disease in Patients with Diabetes Mellitus. AB - : The study presented here was accomplished to assess the course of drug-induced liver diseases in patient's rheumatoid arthritis receiving long-term methotrexate therapy. Diabetes mellitus was revealed as the most significant risk factor. The combination of diabetes mellitus with other risk factors (female sex) resulted in increased hepatic fibrosis, degree of hepatic encephalopathy and reduction of hepatic functions. The effectiveness and safety of ursodeoxycholic acid and cytolytic type-with S-Adenosyl methionine was also evaluated. Abbreviations: 13C MBT: 13C-methacetin breath test; ALT: alanine aminotransferase; AP: alkaline phosphatase; AST: aspartic transaminase; DILD: drug-induced liver disease; DM: diabetes mellitus; HE: hepatic encephalopathy; HFM: hepatic functional mass; SAMe: S-Adenosyl methionine; UDCA: ursodeoxycholic acid. How to cite this article: Iryna K, Helen M, Elena S. Drug-induced Liver Disease in Patients with Diabetes Mellitus. Euroasian J Hepato-Gastroenterol 2015;5(2):83-86. PMID- 29201699 TI - Hyperbilirubinemia as a Diagnostic Tool for the Prediction of Appendicular Perforation: A Prospective Study. AB - Background: The certainty of diagnosing acute appendicitis in patients presenting with right iliac fossa pain still remains a mystery though acute appendicitis being the commonest surgical procedure done in emergency. In acute appendicitis, serum bilirubin levels are raised due to hepatocellular damage as a result of direct insult caused by Gram-negative bacterial endotoxemia. The need for the study is to conclude whether the serum bilirubin can be considered as a new laboratory marker to aid in the diagnosis of acute appendicitis and if so, does it have the predictive capacity to warn us about appendicular perforation. Materials and methods: This is a prospective study carried out at rural tertiary healthcare center and includes 213 patients clinically diagnosed as acute appendicitis. Results: Out of 213 patients, raised serum bilirubin >=1.2 mg/dl was present in 195 (91.5%) patients, out of which 194 (99.4%) patients had histopathologically inflamed appendix and this difference was statistically highly significant with p-value < 0.0001. In this study, 32 patients had perforated appendix. Out of those, 30 patients had bilirubin >= 4 mg/dl and 2 patients had bilirubin level between 1.2 and < 4 mg/dl. Raised serum bilirubin (>=4 mg/dl) was present in 35 (17.9%) patients, out of which 30 (87.7%) patients had perforated appendix. How to cite this article: Saxena D, Tandon M, Shah Y, Gedam BS. Hyperbilirubinemia as a Diagnostic Tool for the Prediction of Appendicular Perforation: A Prospective Study. Euroasian J Hepato-Gastroenterol 2015;5(2):87-89. PMID- 29201700 TI - Prevalence and Impact of Hepatitis on the Quality of Life of Patients. AB - Background: Hepatitis is a disorder which is emerging as major health problem with increasing morbidity and mortality. Inappropriate management of this disease leads to several complications that can impair the health related quality of life (HRQoL) of the individuals. There, we designed this study to assess the HRQoL in patients suffering from hepatitis. Materials and methods: This prospective, observational study was conducted for 2 months in patients with hepatitis. All patients with hepatitis were recruited in the study after giving written informed consent. The participants were given both World Health Organization Quality of Life-Bref (WHO QoL-Bref) and short form (SF-36) health survey questionnaires for assessing the quality of life (QoL) of patients. The participants were given counseling of lifestyle modification and underwent a thorough medical examination and a detailed history was taken. Results: A total of 65 volunteers participated in the study, out of which 30 were control and 35 were patients suffering from hepatitis; hepatitis C was found to be more prevalent. The patients with hepatitis had a significantly poor QoL as compared to control. In hepatitis patients, physical health and physical functioning was better in males as compared to females. Social relationships were also good in males than females. But females had higher score in role limitation due to physical health, emotional wellbeing, social functioning, pain, general health as per SF-36 scores but it was not statistically significant. Conclusion: Hepatitis affected the HRQoL in Indian population and parameters seem to be heterogeneously affected in males and females. How to cite this article: Mittal P, Matreja PS, Rao HK, Khanna PML. Prevalence and Impact of Hepatitis on the Quality of Life of Patients. Euroasian J Hepato-Gastroenterol 2015;5(2):90-94. PMID- 29201701 TI - Seroprevalence of Hepatitis A Virus Antibodies among the Patients with Chronic Hepatitis B in Turkey. AB - Background: Hepatitis A virus (HAV) can cause significant pathology in patients with chronic hepatitis B virus (HBV), however, HAV can be prevented by vaccination. The aim of this study was to determine the implication of vaccination against HAV vaccine in patients with chronic hepatitis B. Materials and methods: The seroprevalence of anti-HAV IgG antibodies was investigated in the patients with chronic hepatitis B. Anti-HAV IgG antibodies were detected by commercially available ELISA kit. Results: A total of 673 patients (354 males, 319 females with age range of 17-78 years) with chronic hepatitis B were included the study. Hepatitis A virus seropositivity rate was 34% in the patients younger than 20 years, 79% in the age group of 20 to 29 years, and 100% after 35 years of age. Discussion: Hepatitis A virus vaccination may be recommended for young adult patients with chronic hepatitis B in Turkey. How to cite this article: Tulek N, Ozsoy M, Moroglu C, Sonmezer MC, Temocin F, Ertem GT, Erdinc FS. Seroprevalence of Hepatitis A Virus Antibodies among the Patients with Chronic Hepatitis B in Turkey. Euroasian J Hepato-Gastroenterol 2015;5(2):95-97. PMID- 29201703 TI - Autoimmune Hepatitis with Distal Renal Tubular Acidosis and Small Bowel Partial Malrotation. AB - : Renal tubular acidosis (RTA) is not uncommon in patient with chronic autoimmune hepatitis (AIH), but usually remains latent. Here, we report a case of renal tubular acidosis RTA who presented with AIH. She was also diagnosed to have partial bowel malrotation. A 9-year-old girl, a case of distal RTA, presented with jaundice, abdominal distension and altered sensorium. She was diagnosed to be AIH, which was successfully treated with steroids and azathioprine. Coexistent midgut partial malrotation with volvulus was diagnosed during the treatment. She was treated successfully with anti-tuberculous treatment for cervical lymphadenitis. Autoimmune hepatitis should not be ruled out in each case of RTA presenting with jaundice. How to cite this article: Modi TK, Parikh H, Sadalge A, Gupte A, Bhatt P, Shukla A. Autoimmune Hepatitis with Distal Renal Tubular Acidosis and Small Bowel Partial Malrotation. Euroasian J Hepato-Gastroenterol 2015;5(2):107-109. PMID- 29201702 TI - Liver Transplantation Update: 2014. AB - : The first liver transplantation (LT) was performed by Thomas E Starzl five decades ago, and yet it remains the only therapeutic option offering gold standard treatment for end-stage liver disease (ESLD) and acute liver failure (ALF) and certain early-stage liver tumors. Post-liver transplantation survival has also dramatically improved over the last few decades despite increasing donor and recipient age and more frequent use of marginal organs to overcome the organ shortage. Currently, the overall 1 year survival following LT in the United States is reported as 85 to 90%, while the 10 years survival rate is ~50% (http://www.unos.org). The improvements are mainly due to progress in surgical techniques, postoperative intensive care, and the advent of new immunosuppressive agents. There are a number of factors that influence the outcomes prior to transplantation. Since 2002, the model for end-stage liver disease (MELD) score has been considered a predicting variable. It has been used to prioritize patients on the transplant waiting list and is currently the standard method used to assess severity in all etiologies of cirrhosis. Hepatocellular carcinoma (HCC) is the most common standard MELD exception because the MELD does not necessarily reflect the medical urgency of patients with HCC. The criteria for candidates with HCC for receiving LT have evolved over the past decade. Now, patients with HCC who do not meet the traditional Milan (MC) or UCSF criteria for LT often undergo downstaging therapy I an effort to shrink the tumor size. The shortage of donor organs is a universal problem. In some countries, the development of a deceased organ donation program has been prevented due to socioeconomic, cultural, legal and other factors. Due to the shortage of cadaveric donors, several innovative techniques have been developed to expand the organ donor pool, such as split liver grafts, marginal- or extended-criteria donors, live donor liver transplantation (LDLT), and the use of organs donated after cardiac death. Herein, we briefly summarize recent advances in knowledge related to LT. We also report common causes of death after liver transplant, including the recurrence of hepatitis C virus (HCV) and its management, and coronary artery disease (CAD), including the role of the cardiac calcium score in identifying occult CAD. How to cite this article: Dogan S, Gurakar A. Liver Transplantation Update: 2014. Euroasian J Hepato-Gastroenterol 2015;5(2):98-106. PMID- 29201704 TI - Obstructed Umbilical Hernia: A Normal Presentation with Abnormal Contents. AB - : Umbilical hernia is a common problem encountered in children. The rarity of finding cecum and appendix is probably due to the fact that the appendix is seldom found in the proximity of the umbilicus. It would, therefore, appear worthwhile to report the occurrence of cecum and an inflamed appendix with Ladd's bands in an umbilical hernia of a child. The last case with similar presentation was presented in 1950s. How to cite this article: Agrawal VP, Shetty NS, Narasimhaprasad A. Obstructed Umbilical Hernia: A Normal Presentation with Abnormal Contents. Euroasian J Hepato-Gastroenterol 2015;5(2):110-111. PMID- 29201706 TI - A Case Report of Ulcerative Colitis Induced by Therapy of Colorectal Carcinoma. AB - : Although patients with ulcerative colitis have an increased risk for colon cancer which is associated with disease activity, location of involvement or the accompanying primary sclerosing cholangitis, ulcerative colitis induced by resections for colorectal carcinoma or chemotherapy drugs are very rare as case presentations in the literature. Fifty-nine year-old female patient with the diagnosis of sigmoid colon carcinoma have been developed ulcerative colitis 2 months after low anterior resection and oral capecitabine treatment. Development of colitis after colon cancer may be associated with some causes as mutual genetic factors that take part at the pathophysiological mechanisms liable from occurrence of ulcerative colitis and colorectal carcinoma, chemotherapy agents, perioperative stress and underlying silent ulcerative colitis. It is unclear which role is certain. Increasing reports like this case will be useful in resolving this issue. How to cite this article: Temel T, Ozgenel SM, Canaz F, Arik D, Tokmak S, Ozakyol AH. A Case Report of Ulcerative Colitis Induced by Therapy of Colorectal Carcinoma. Euroasian J Hepato-Gastroenterol 2015;5(2):115 117. PMID- 29201705 TI - Hepatitis B Virus Reactivation under Treatment with Nilotinib. AB - : Hepatitis B virus (HBV) reactivation with imatinib, a tyrosine kinase inhibitor, has been reported in chronic myeloid leukemia. Nilotinib is a more potent second generation tyrosine kinase inhibitor and it inhibits the Src-family kinase LCK and hamper proliferation and function of CD8 (+) T lymphocytes. CD8 (+) T lymphocytes are the main cellular subset responsible for viral clearance in patients with HBV infection. We report a case of HBV reactivation under treatment with nilotinib. Fatal HBV reactivation is not usually related to death in chronic myeloid leukemia patients who have an expectation of longevity with well tolerated oral drugs. Thus, screening for latent chronic HBV infections including assessment of hepatitis B surface antigen (HBsAg), antibody to hepatitis B core antigen (anti-HBc antibody) and antibody to hepatitis B surface antigen (anti HBs), especially at countries with intermediate and high prevalence of HBsAg is warranted. Treatment with nucleoside analogs and close monitoring may be life saving in this context. How to cite this article: Temel T, Gunduz E, Sadigova E, Teke HU, Ozgenel SM, Ozakyol AH. Hepatitis B Virus Reactivation under Treatment with Nilotinib. Euroasian J Hepato-Gastroenterol 2015;5(2):112-114. PMID- 29201707 TI - A Rare Variant of Pancreatic Sarcoidosis: Diagnostic Challenge. AB - : Pancreatic sarcoidosis is one of the variant of systemic sarcoidosis which is extremely rare in literature and opined as an enigma. Hence, its diagnosis is very challenging as its presentation mimics pancreatic carcinoma. In view of a better understanding, we are presenting a case of pancreatic sarcoidosis to emphasize the above. To clearly distinguish sarcoidosis from malignancy, repeated computed tomography scans, Positron emission tomography scans, fine needle aspiration cytology, endoscopic retrograde cholangio-pancreatography supplemented with histology and relevant blood tests proved it to be a pancreatic sarcoidosis then a malignancy. Over the course, concrete evidence was divulged from lymph node biopsy and histology in clinching the diagnosis which later transformed into a malignancy. Therefore, we concluded it is a rare variant of pancreatic sarcoidosis and careful serial investigations include repeated imaging, histology and blood tests are essential to establish and most importantly differentiate the diagnosis. How to cite this article: Khangura T, Uddin G, Davies A, Keating J. A Rare Variant of Pancreatic Sarcoidosis: Diagnostic Challenge. Euroasian J Hepato Gastroenterol 2015;5(2):118-121. PMID- 29201709 TI - Clinical Presentation of Ulcerative Colitis in Pakistani Adults. AB - Objective: The aim of this study was to determine the clinical presentation and severity of ulcerative colitis (UC) in Pakistani adult patients. Materials and methods: An observational study. Data were obtained by reviewing the medical records of patients who visited a gastroenterology clinic between 2008 and 2012. Results: There were 54 patients diagnosed as UC. The male to female ratio was 1:1. Mean age at diagnosis of UC was 38.7 +/- 11.8 years (median 36.5, range 18 64). The predominant presenting symptoms were mucus diarrhea in 49 (90.7%), gross blood in stools in 42 (77.8%), abdominal pain or cramps in 40 (74.1%) and weight loss in 15 (27.7%). Left-sided colitis was present in 23 (42.6%), pancolitis in 15 (27.8%), extensive colitis in 11 (20.4%), and proctitis in five (9.2%). The severity of UC as judged by the Mayo scoring system showed that 68.5% were suffering from moderate to severe disease while 31.5% had mild disease. The extra intestinal manifestation were found only in seven patients; arthritis in five patients and anterior uveitis in two patients. The arthritis was unilateral and the sites were knee joint in three patients and sacroiliac joint in two patients. Conclusion: Ulcerative colitis presents in our adult patients may present at any age with no gender preponderance. The disease severity is moderate to severe in the majority of patients and more than half of them have left-sided colitis or pancolitis at the time of presentation. Extraintestinal manifestations were not common. How to cite this article: Qureshi M, Abbas Z. Clinical Presentation of Ulcerative Colitis in Pakistani Adults. Euroasian J Hepato-Gastroenterol 2015;5(2):127-130. PMID- 29201708 TI - A Case of Antimitochondrial Antibody Negative Primary Biliary Cirrhosis from Bangladesh and Review of Literature. AB - : Primary biliary cirrhosis (PBC) is very closely associated with the presence of antimitochondrial antibodies (AMA). Nevertheless, 5 to 10% of patients with typical features of primary biliary cirrhosis do not have detectable AMA. They are referred to as AMA negative PBC. We report a case of PBC who was AMA negative. The patient was a middle-aged woman seeking help of dermatologist for her complaint of itching. The diagnosis was confirmed by histopathology, whereas other possible causes of cirrhosis were excluded. How to cite this article: Begum R, Mahtab MA, Mamun AA, Saha BK, Hossain SMS, Saha DC, Akbar SMF, Kamal M, Rahman S. A Case of Antimitochondrial Antibody Negative Primary Biliary Cirrhosis from Bangladesh and Review of Literature. Euroasian J Hepato-Gastroenterol 2015;5(2):122-126. PMID- 29201710 TI - Variant of Ascitic Fluid Bacterial Infections in Patients of Liver Cirrhosis. AB - Background and aims: Bacterial infections of ascitic fluid of cirrhotic patients are related to high morbidity and mortality. The aim of the study was to determine the variants of ascitic fluid bacterial infection in patients with advanced cirrhosis (Child Pugh Class C). Materials and methods: We analyzed 35 consecutive cirrhotic patients of Child Pugh Class C with ascites attending the outpatient department (OPD) of Hepatology Department, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from January 2008 to December 2009. Clinical and laboratory parameters of these patients were recorded. Results: Among the total 35 patients, eight patients were symptomatic and 27 patients were asymptomatic. Out of eight symptomatic patients, two had ascitic fluid bacterial infection (25%), whereas six of 27 asymptomatic patients (22.2%) had ascitic fluid bacterial infection. Conclusion: Bacterial infection should always be considered in patients with ascites with liver cirrhosis irrespective of their symptoms. How to cite this article: Sarker JA, Alam MS, Khan M, Mahtab MA, Ashraf MS, Khondaker FA. Variant of Ascitic Fluid Bacterial Infections in Patients of Liver Cirrhosis. Euroasian J Hepato-Gastro-enterol 2015;5(2):131-133. PMID- 29201711 TI - Propylthiouracil-related Toxic Hepatitis: Impact of Silent Cases. AB - : Liver is the main organ which can metabolize many drugs or chemical agents. Toxic events developed by drugs are one of the most common causes of liver damage. Toxic hepatitis can be encountered in different clinical situations, such as acute hepatitis, fulminant hepatitis chronic hepatitis or cirrhosis. We aimed to report a case of asymptomatic toxic hepatitis in a patient taking propylthiouracil (PTU). A 38 years old female patient admitted to hospital complained of fatigue. She had no special medical history except Graves' disease. She had been taking PTU 300 mg/day for 1 month. She had no history of another medication, eating mushroom, alcohol consumption, traveling, family history of liver disease. Her physical examination was normal. Laboratory analysis revealed that alanine aminotransferase-543 U/L, aspartate aminotransferase-227 U/L, gamma glutamyl transferase-66 U/L and alkaline phosphatase-136 U/L. Serum levels of bilirubin and albumin, INR, complete blood count and thyroid function tests were all normal. She had normal liver function test (LFT) before using PTU. Propylthiouracil was discontinued and she was given methimazole. She was examined for the etiology of abnormal LFT, but no specific etiology could be recorded. She was thought to have toxic hepatitis related to PTU. In her follow-up LFT has turned to normal level (Table 1). How to cite this article: Eser M, Basyigit S, Eser M, Nazligul Y. Propylthiouracil-related Toxic Hepatitis: Impact of Silent Cases. Euroasian J Hepato-Gastroenterol 2015;5(2):134-135. PMID- 29201712 TI - New Cutoff Point for Platelet Count/Spleen Diameter Ratio to Predict Esophageal Varices in Patients with Hepatitis C Virus-related Hepatic Cirrhosis. AB - : The esophagogastroduodenoscopy (EGD) with all its hazards remains the gold standard screening tool for esophageal varices. Noninvasive tools have been proposed and studied to replace the EGD. Platelet count (PC)/spleen diameter (SD) ratio as a noninvasive tool for predicting the presence of esophageal varices was proposed and studied in many previous studies. How to cite this article: El Sherbiny W, Elegezy M, Shaltout SW. New Cutoff Point for Platelet Count/ Spleen Diameter Ratio to Predict Esophageal Varices in Patients with Hepatitis C Virus related Hepatic Cirrhosis. Euroasian J Hepato-Gastroenterol 2015;5(2):136-137. PMID- 29201713 TI - Editorial. PMID- 29201714 TI - Study on Liver Dysfunction in Type 2 Diabetic Patients in Bangladesh. AB - Aim: Diabetes mellitus (DM) represents one of the major lifestyle-related pathological conditions; the incidence and prevalence of DM have reached an epidemic level around the world. Diabetes mellitus is usually associated with obesity, coronary diseases, and cerebral pathologies. However, more insights are required to evaluate a temporal relation between DM and hepatic functions. This study assesses whether and to what extent liver functions are modified in DM patients. Materials and methods: A total of 100 patients with type 2 DM and 100 normal healthy controls were enrolled in this study following proper scrutiny of inclusion and exclusion criteria. Different parameters of liver function tests were measured in patients in the two groups. Data were analyzed to assess the extent and magnitude of abnormal liver functions in DM. Results: The levels of bilirubin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), albumin, and prothrombin time were 0.737 +/- 0.311 mg/dL, 39.00 +/- 24.21 IU/L, 26.42 +/- 10.40 IU/L, 4.10 +/- 0.513 g/dL, and 16.46 +/- 2.78 seconds in patients with DM and 0.506 +/- 0.183 mg/dL, 28.26 +/- 6.67 IU/L, 18.90 +/- 4.75 IU/L, 4.12 +/- 0.277 g/dL, and 14.23 +/- 1.04 seconds in control subjects. Statistical analyses revealed that most of these parameters of liver function test were significantly different in DM patients compared to control subjects (p < 0.05). Serum alkaline phosphatase level was 89.61 +/- 25.59 mg/dL in type 2 DM patients and 96.83 +/- 16.34 mg/dL in control subjects (p > 0.05). The prevalence of abnormal values of serum bilirubin, ALT, AST, prothrombin time, and albumin were 5.17, 31.03, 5.17, 5.17, 43.10, and 10.34% respectively in type 2 DM patients and 0, 2, 0, 2, 3, and 0% respectively in control subjects, indicating high prevalence of DM patients with abnormal liver functions. Conclusion: Abnormal liver functions of different extents and magnitudes have been found in type 2 DM patients, and the impact of abnormal liver function should be considered during the management of DM patients and also to assess their long-term follow-up prognosis. How to cite this article: Rashid MHO, Haque MZ, Rahman MK, Khan MMR, Rahman ASMM, Al-Mahtab M, Rahman MS, Roy PK, Islam MN. Study on Liver Dysfunction in Type 2 Diabetic Patients in Bangladesh. Euroasian J Hepato-Gastroenterol 2016;6(1):1-4. PMID- 29201715 TI - Lactose Intolerance and Symptom Pattern of Lactose Intolerance among Healthy Volunteers. AB - Aims: To see the prevalence of lactose intolerance (LI) and related symptoms following oral lactose challenge in healthy volunteers. Materials and methods: Symptoms of abdominal pain, nausea, borborygmi, flatulence, and diarrhea were noted for 24 hours and blood glucose was estimated at 0 hour and 30 minutes after 25 gm oral lactose load to healthy volunteers. Failure to rise blood glucose level >= 1.1 mmol/l at 30 minutes after lactose intake from fasting level was taken as lactose malabsorption (LM), i.e., LI. Results: A total of 166 volunteers (123 males, 43 females) with a mean age 34.78 +/- 11.45 years participated in this study. Lactose intolerance was found among 85.54% (n = 142, M = 104, F = 38). The main symptoms of LI were diarrhea (n = 83, 58.4.0%), borborygmi (n = 81, 57.04%), abdominal pain (n = 35, 24.65%), and flatulence (n = 27, 19.0%). Conclusion: Lactose intolerance among healthy adults may be common in Bangladesh. Diarrhea and borborygmi were mostly associated symptoms of LI. How to cite this article: Saha M, Parveen I, Shil BC, Saha SK, Banik RK, Majumder M, Salam MU, Nazmul Islam ASM. Lactose Intolerance and Symptom Pattern of Lactose Intolerance among Healthy Volunteers. Euroasian J Hepato-Gastroenterol 2016;6(1):5-7. PMID- 29201716 TI - The Evaluation of Serum Ascites Albumin Gradient and Portal Hypertensive changes in Cirrhotic Patients with Ascites. AB - Introduction: Ascites is a common complication of chronic liver diseases and is related to the extent of portal hypertension. This study evaluated whether the serum ascites albumin gradient (SAAG) (the difference between the albumin level of serum and of ascitic fluid) is endowed with clinical implications. Materials and methods: This is a prospective study involving 50 patients with cirrhosis of liver with ascites. The SAAG was measured in all patients and its relation with portal hypertensive changes was analyzed. Results: Based on SAAG values, the patients were divided into three groups: Group 1 - SAAG value 1.1 to 1.49 gm/dL (n = 15); group 2 - SAAG value 1.5 to 1.99 gm/dL (n = 9); and group 3 - SAAG value 2.0 gm/dL (n = 26). In group 1, 14 patients had esophageal varices (93.3%) and 13 had gastropathy (86.6%). In group 2, all 9 patients had esophageal varices (100%), 7 (77.7%) had gastropathy, and 1 (11.1%) had gastric varices. In group 3, all 26 patients had esophageal varices (100%), 24 patients (92.3%) had gastropathy, and 1 patients (3.8%) had gastric varices. Conclusion: Serum ascites albumin gradient value is weakly related to the extent of portal hypertension in patients with liver cirrhosis and its implication seems to be limited in clinics. How to cite this article: Shahed FHM, Al-Mahtab M, Rahman S. The Evaluation of Serum Ascites Albumin Gradient and Portal Hypertensive changes in Cirrhotic Patients with Ascites. Euroasian J Hepato-Gastroenterol 2016;6(1):8-9. PMID- 29201717 TI - Plasma Prothrombin Time and Esophageal Varices in Patients with Cirrhosis of Liver. AB - Introduction: Cirrhosis of the liver is a common complication of chronic liver disease and is associated with portal hypertension and esophageal varices. In this study, we checked the implication of prothrombin time, if any, in the genesis of esophageal varices. Materials and methods: Sixty patients with cirrhosis of the liver were randomly assigned into two groups: Group I - 30 cirrhotic patients with esophageal varices, and group II - 30 cirrhotic patients without esophageal varices. The prothrombin time was checked for both groups. Results: A positive correlation was found between the prolonged plasma prothrombin time (> 4 seconds) and esophageal varices with a sensitivity of 56.67% and specificity of 73.33%. The Child-Pugh score showed a correlation; however, the size of varices did not exhibit any such relation. Conclusion: Prothrombin time may be cautiously used to assess portal hypertension in a field level and rural setting where endoscopy is not available or feasible. How to cite this article: Islam MN, Khan M, Ahmad N, Al-Mahtab M, Karim MF. Plasma Prothrombin Time and Esophageal Varices in Patients with Cirrhosis of Liver. Euroasian J Hepato-Gastroenterol 2016;6(1):10-12. PMID- 29201718 TI - Reduced Glutathione suppresses Oxidative Stress in Nonalcoholic Fatty Liver Disease. AB - Background and aims: Insulin resistance and cytokine production are key mechanisms leading to fatty change in the liver and may produce nonalcoholic steatohepatitis (NASH). Oxidative stress may also contribute to clinical progression from simple fatty liver (FL) to NASH. A therapy for insulin resistance and antioxidant has been applied to treat NASH, yet these treatments are not fully established. In the present study, we have evaluated whether an antioxidant agent, glutathione, prevents the development of NASH from FL. Materials and methods: Five patients with FL and 10 with NASH were enrolled in the study. Three hundred milligrams per day of glutathione was given orally to patients with nonalcoholic fatty liver disease (NAFLD) every day, and an oxidative stress marker and biochemical tests were analyzed before treatment and 1 and 3 months after starting the treatment. We measured serum levels of 8 hydroxy-2-deoxyguanosine (8-OHdG) and gamma-glutamyltranspeptidase (GGT). Immunohistochemistry for glutathione was performed on formalin fixed liver specimens obtained from liver biopsies. Results: Before treatment, the NASH group had higher serum 8-OHdG and lower serum glutathione levels than the FL group. Immunohistochemistry revealed that a strong expression of glutathione was observed in zone 3 in both NASH and FL before treatment. Serum levels of alanine transaminase and 8-OHdG were significantly decreased after treatment in the NASH group. Gamma-glutamyltranspeptidase was decreased after treatment, although the decrease was statistically not significant. Discussion: The present pilot study demonstrated that antioxidant therapy with glutathione may reduce the pathological oxidative stress in the liver in NASH, preventing the progression from NAFLD to NASH. How to cite this article: Irie M, Sohda T, Anan A, Fukunaga A, Takata K, Tanaka T, Yokoyama K, Morihara D, Takeyama Y, Shakado S, Sakisaka S. Reduced Glutathione suppresses Oxidative Stress in Nonalcoholic Fatty Liver Disease. Euroasian J Hepato-Gastroenterol 2016;6(1):13-18. PMID- 29201719 TI - High Functional Stability of a Low-cost HBV DNA qPCR Primer Pair and Plasmid Standard. AB - Aim: We studied the functional stability of a primer pair and the standard curve based on a plasmid carrying full-length HBV genome, from a novel low-cost real time quantitative polymerase chain reaction (qPCR) assay. The assay was developed at the Center for Genetic Engineering and Biotechnology (CIGB) in Havana, to quantify the serum hepatitis B virus (HBV) DNA from chronic HBV-infected (CHB) patients. Materials and methods: In-house generated oligonucleotides and plasmids were incubated at 37 degrees C during 1 month and compared with the same materials incubated at -20, 4, and 25 degrees C during the same time in qPCR experiments. Results: This work shows that the oligonucleotide pair and the plasmid for the quantitative standard curve are functionally stable in severe temperature conditions during 1 month. Polymerase chain reaction amplification with both materials after its incubation 30 days at 37 degrees C produced similar cycle threshold (CT) values and similar degree of sample quantifications compared with the same materials preserved using the conventional storage conditions at 20 degrees C. Conclusion: These results are indicative of the robustness of this low-cost qPCR system for HBV DNA quantification. These results also support that this qPCR assay can be used as a low-cost technology in clinical studies to monitor the viral load changes of serum HBV DNA of CHB patients, which could be used by poor people of third world countries, where there are frequent blackouts and temperature changes that can hinder the primer and plasmid stability. How to cite this article: Aguiar J, Garcia G, Leon Y, Canales E, Silva JA, Gell O, Estrada R, Moran I, Muzio V, Guillen G, Penton E, Aguilar JC. High Functional Stability of a Low-cost HBV DNA qPCR Primer Pair and Plasmid Standard. Euroasian J Hepato-Gastroenterol 2016;6(1):19-24. PMID- 29201720 TI - Dynamic of Immune Response induced in Hepatitis B Surface Antigen-transgenic Mice Immunized with a Novel Therapeutic Formulation. AB - : The development of therapeutic vaccines against chronic hepatitis B requires the capacity of the formulation to subvert a tolerated immune response as well as the evaluation of histopathological damage resulting from the treatment. In the present study, the dynamicity of induced immune response to hepatitis B surface antigen (HBsAg) was evaluated in transgenic mice that constitutively express the HBsAg gene (HBsAg-tg mice). After immunization with a vaccine candidate containing both surface (HBsAg) and core (HBcAg) antigens of hepatitis B virus (HBV), the effect of vaccination on clearance of circulating HBsAg and the potential histological alterations were examined. Transgenic (tg) and non transgenic (Ntg) mice were immunized by intranasal (IN) and subcutaneous (SC) routes simultaneously. A control group received phosphate-buffered saline (PBS) by IN route and aluminum by SC route. Positive responses, at both humoral and cellular levels, were obtained after five immunizations in HBsAg-tg mice. Such responses were delayed and of lower intensity in tg mice, compared to vaccinated Ntg mice. Serum IgG response was characterized by a similar IgG subclass pattern. Even when HBsAg-specific CD8+ T cell responses were clearly detectable by gamma interferon ELISPOT assay, histopathological alterations were not detected in any organ, including the liver and kidneys. Our study demonstrated, that it is possible to subvert the immune tolerance against HBsAg in tg mice, opening a window for new studies to optimize the schedule, dose, and formulation to improve the immune response to the therapeutic vaccine candidate. These results can be considered a safety proof to support clinical developments for the formulation under study. How to cite this article: Freyre FM, Blanco A, Trujillo H, Hernandez D, Garcia D, Alba JS, Lopez M, Merino N, Lobaina Y, Aguilar JC. Dynamic of Immune Response induced in Hepatitis B Surface Antigen-transgenic Mice Immunized with a Novel Therapeutic Formulation. Euroasian J Hepato-Gastroenterol 2016;6(1):25-30. PMID- 29201721 TI - Impact of Periampullary Diverticula on Bile Duct Stones and Ampullary Carcinoma. AB - Introduction: Periampullary diverticula (PD) is caused by extraluminal pouching of duodenal mucosa. Using a very common endoscopic procedure to diagnose or treat gastrointestinal disorders, we encountered duodenal diverticulum. Materials and methods: This is a retrospective, single-center study. Three thousand and sixteen patients on whom endoscopic retrograde cholangiopancreatography (ERCP) was performed at Ankara University Medical School, Department of Gastroenterology, from June 2009 to June 2014 were included to the study. Results: Hundred and thirty patients (males 65, females 65) among the 3,016 had PD. Two hundred and sixty patients without diverticulum were randomly chosen from the 3,016 patients, as a control group [121 (47%) females, 139 (53%) males]. There was no statistical difference between the two groups. The mean age of the patients with PD was 69.9 years, while the mean age was 62.3 years for patients without PD (p < 0.001). Incidence for PD was 4.6%. The papilla of Vater was located in the inter diverticular area (Type 1) in 9 patients (8.3%), at the edge of the diverticulum (Type 2) in 31 patients (28.4%), and at a distance of 2 to 3 cm from the papilla (Type 3) in 69 patients (63.3%). Discussion: Although numerically more common bile duct stones occurred in patients with PD compared to those without PD, there was no statistical difference between the two groups. The rate of pancreato biliary carcinomas was higher in patients without diverticulum. Cannulation was successful in both groups at the rate of 97.6 and 92% respectively, but cannulation failed more often in patients without PD. Duodenal perforation occurred in one patient with PD. Bleeding after sphincterotomy occurred in two patients without PD. How to cite this article: Ormeci N, Deda X, Kalkan C, Tuzun AE, Karakaya F, Dokmeci A, Bahar DK, Ozkan H, Idilman R, Cinar K. Impact of Periampullary Diverticula on Bile Duct Stones and Ampullary Carcinoma. Euroasian J Hepato-Gastroenterol 2016;6(1):31-34. PMID- 29201723 TI - Past, Present, and Future of Viral Hepatitis in Bangladesh. AB - : Viral hepatitis poses huge burden to the health care delivery system as well as to the economy of Bangladesh. Hepatitis E virus is the leading cause of acute hepatitis in this country, however with the improvement of economic status and sanitation this seems to be on the decline. Hepatitis B virus remains the leading cause in all forms of chronic liver diseases in this country. This virus has been extensively studied in Bangladesh, including from epidemiology to pathogenosis. Clinical trials with innovative therapy conducted in Bangladesh have shown promise. Hepatitis C virus follows hepatitis B virus as the second commonest cause of chronic liver diseases here. However patients in Bangladesh have started benefitting from the local generic versions of the newly introduced direct acting anti-virals. How to cite this article: Al-Mahtab M. Past, Present, and Future of Viral Hepatitis in Bangladesh. Euroasian J Hepato-Gastroenterol 2016;6(1):43-44. PMID- 29201722 TI - Tackling HCV-3 in Asia: Breakthroughs for Efficient and Cost-effective Treatment Strategies. AB - : Hepatitis C virus (HCV) is known to cause chronic hepatitis C, and its sequelae of cirrhosis and hepatocellular carcinoma. Hepatitis C genotype 3 (HCV-3) in particular is notorious for causing accelerated liver fibrosis, cardiovascular, and metabolic effects, thus increasing morbidity and mortality. It is the commonest variant in Asian countries like India and Pakistan. It is also one of the hardest-to-treat genotypes, especially among treatment-experienced and cirrhotic patients. Due to limited health care affordability and accessibility in these areas, many patients remain untreated. Until recently, the established therapy for HCV had been a combination of pegylated interferon + ribavirin. However, it was only effective in about half of patients and had severe adverse effects; hence a more efficacious option needed to be found. Recent advances have led to the development of sofosbuvir, an NS5B inhibitor that is fast becoming the standard of care, in combination with other novel drugs. It was initially marketed at $1,000 per pill, a cost that was too high for most. Thus, it has not been utilized as a global therapy as yet. Formulation of effective interferon free regimens is a huge milestone, and awareness needs to be raised regarding these new highly effective options in both the physician and the patient population. This article discusses the newest drugs and combinations that have been developed in the fight against HCV-3, as a treatment outline for HCV-3 dominant areas. It also highlights recent breakthroughs in cost reductions of these drugs and the effort to make them globally accessible. How to cite this article: Saeed N, Gurakar A. Tackling HCV-3 in Asia: Breakthroughs for Efficient and Cost-effective Treatment Strategies. Euroasian J Hepato-Gastroenterol 2016;6(1):35-42. PMID- 29201724 TI - Viral Hepatitis in Cambodia: Past, Present, and Future. AB - : The prevalence of viral hepatitis represents Cambodia as 1 of the highest endemic countries in the world. But the prevalence of viral hepatitis B among 5 year-olds is on a decreasing trend due to the effect of nationwide vaccination against hepatitis B. There are key interventions to address viral hepatitis by the Cambodian Ministry of Health. There are so far no comprehensive national guidelines for the prevention, care, and treatment of viral hepatitis. In 2014, the coverage of hepatitis B vaccine at birth and HepB3 vaccine was very high, at 87 and 97% respectively. Other interventions include the screening of viral hepatitis B and C among blood donors; the enhancement of infection prevention and control at health facilities; the program for People Who Use Drugs (PWUDs) and People Who Inject Drugs (PWIDs); control and prevention of HIV/AIDS and sexually transmitted diseases (STDs); and improved sanitation, clean water, and food safety. The diagnosis of viral hepatitis B and C could be made only at the national and provincial referral hospitals and there are no specific antiviral therapies for people who are infected with hepatitis B and C. How to cite this article: Sreng B, Sophal C, Srun S, Samnang C, Huot E. Viral Hepatitis in Cambodia: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):45-48. PMID- 29201725 TI - Past, Present, and Future of Viral Hepatitis C in Japan. AB - : Of all the industrialized countries of the world, Japan has the highest rate of hepatitis C. It also has 1 of the oldest and most varied histories of hepatitis C in the world among the industrialized modern nations. Hepatitis C and its complications are the leading cause of liver cancer in Japan. Japan has the highest rate of liver cancer among the industrialized countries. From 2004 to 2014, PegIFN/RBV treatment was the mainstream of hepatitis C treatment. In 2014, the first interferon-free therapy was approved in Japan. Subsequently, other interferon-free therapies have been approved. Hepatitis C virus disinfection in hepatitis C patients in Japan has become possible with a probability of 96% or more. How to cite this article: Yatsuhashi H. Past, Present, and Future of Viral Hepatitis C in Japan. Euroasian J Hepato-Gastroenterol 2016;6(1):49-51. PMID- 29201726 TI - Hepatitis in Malaysia: Past, Present, and Future. AB - : Malaysia is multiethnic, with a population of 31,127,247 comprising a mixture of Malays (50.1%), Chinese (22.6%), Indians (6.7%), Aborigines (11.8%), others (0.7%), and noncitizens (8.2%). Like other countries in the region, viral hepatitis is an important public health problem in Malaysia. The 3 most common causes for hepatitis in Malaysia are hepatitis A, B, and C. Hepatitis A has been a reportable disease in Malaysia since 1988. Due to the introduction of government control programs, the national incidence rate has dropped steadily. It is now estimated that 50% of Malaysians less than 30 years of age do not have antibodies to hepatitis A and are therefore susceptible to the disease, which can be prevented by reinforcing the hygiene status of the general population. Malaysia is a country of medium seroprevalence for the hepatitis B virus (HBV) surface antigen (HBsAg) in the general population (1.5-9.8%). The major route of transmission is from infected mother to fetus. There are an estimated 1 million people chronically infected with hepatitis B in Malaysia. Approximately 75% of all viral hepatitis cases are due to hepatitis B infection, with a male-to-female ratio of 2:1. Chronic hepatitis B (CHB) accounts for more than 80% of the hepatocellular carcinoma (HCC) cases seen in Malaysia and HCC is the 3rd most common malignant neoplasm and among the 10 leading causes of death. Most common genotypes are B and C. Incidence rates among Chinese, Malays, and Indians are 36, 26, and 15% respectively. The hepatitis B vaccination program for children was introduced in 1989, which successfully managed to reduce the seroprevalence of infection among Malaysians to 0.01% (graph 4, 2014). But the disease burden will still remain high for some time as the infected people are getting older and living longer. Hepatitis C virus (HCV) infection is a growing problem in Malaysia. An estimated 453,700 people were living with HCV infection in Malaysia in 2009 (2.5% of the population aged 15-64 years), of whom 59% acquired their infection through injection and the most common genotypes found are genotype 3 and 1. The HCV-related disease burden is already high and is forecast to rise steeply over the coming decades under current levels of antiviral treatment. Increased governmental resources to improve HCV screening and treatment rates and to reduce transmission are essential to address the high projected HCV disease burden in Malaysia. How to cite this article: Raihan R. Hepatitis in Malaysia: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):52-55. PMID- 29201727 TI - Viral Hepatitis in Mongolia: Past, Present, and Future. AB - : Viral hepatitis is one of the major health concerns worldwide, particularly in Asian countries. Mongolia, which is located in northern Asia, between Russia and China, is confronting various infectious diseases, such as viral hepatitis and tuberculosis. As for healthy individuals in Mongolia, the reported prevalence of hepatitis B surface antigen (HBsAg) was 9 or 10% and the reported prevalence of anti-hepatitis C virus ranged from 11 to 25%. We reported a markedly high prevalence of hepatitis D virus RNA (83%) among apparently healthy individuals with HBsAg in Ulaanbaatar. Also due to lack of proper mechanisms to handle sewerage, disinfection, and lack of clean water supply across the country, hepatitis A is endemic in Mongolia. Moreover, Mongolia ranked in the high prevalence zone for hepatitis B, D, and C. How to cite this article: Tsatsralt-Od B. Viral Hepatitis in Mongolia: Past, Present, and Future. Euroasian J Hepato Gastroenterol 2016;6(1):56-58. PMID- 29201728 TI - Viral Hepatitis in Nepal: Past, Present, and Future. AB - : Over the last four decades, the diagnosis and therapy of viral hepatitis has evolved substantially all over the world. Although Nepal is a developing nation, it has been keeping pace with these developments in terms of the implementation of diagnostic and therapeutic strategies. However, because of a lack of infrastructure and logistics, Nepal still depends on its neighboring countries for molecular diagnostics in viral hepatitis B and C. Though most of the recent antivirals for hepatitis B and directly acting antivirals for hepatitis C are available at a highly subsidized cost, affordability still remains an issue. A lack of comprehensive national program for hepatitis B and C has been a major barrier for access to health care in patients with chronic viral hepatitis. Similarly, hepatitis E still remains an important public health issue with major epidemics at periodic intervals. Recent developments in understanding hepatitis E virus have unveiled important aspects of the virus, particularly with regard to why these epidemics occur. In this manuscript we try to elaborate the evolution in understanding, diagnosing, and treating viral hepatitis in Nepal. How to cite this article: Shrestha A. Viral Hepatitis in Nepal: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):59-61. PMID- 29201729 TI - Viral Hepatitis in Korea: Past, Present, and Future. AB - : Korea has been one of the endemic areas of hepatitis B virus (HBV; exclusively genotype C) infection since ancient times. The epidemiology of HBV in Korea is easily expected to have changed over the last two decades owing to the high coverage rate of universal HBV vaccination. The main mode of hepatitis C virus (HCV) infection may have been effectively blocked since 1992 when compulsory blood screening for anti-HCV was implemented, and consequently, the prevalence of anti-HCV is also expected to have markedly decreased during the last two decades. This review will briefly describe what really happened during the last couple of decades in the epidemiology of HBV and HCV and in the incidence and mortality rates of liver cirrhosis (hepatic failure) and hepatocellular carcinoma in Korea. How to cite this article: Lee H-S. Viral Hepatitis in Korea: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):62-64. PMID- 29201730 TI - Viral Hepatitis in Indonesia: Past, Present, and Future. AB - : Since Indonesia is a huge archipelago country, the prevalence of hepatitis virus infection highly varies among islands. In average the prevalence of clinical hepatitis in Indonesia was 0.6% in the year 2007. Of 82 clinical acute hepatitis patients treated in hospitals in several cities, acute hepatitis A accounted for 28.0%, acute hepatitis B 13.4%, and acute hepatitis C 1.2%; 35.4% patients were infected by unknown etiology. In 1980s, the prevalence of anti-HAV in the age group 10- to 14-years was almost 100% in smaller towns and 45 to 60% in big cities. About 30 years later, anti-HAV prevalence decreased to around 13% in the same smaller town. Outbreaks of hepatitis A were reported between 2006 and 2009 in several cities in Java island. The prevalence of HBsAg in the islands other than Java island (8.5%) was significantly higher than in Java island (4.9%). In 1,409 viremic subjects, 4 genotypes of HBV were found, i.e., genotype B (60%), followed by genotype C (33%), genotype D (7%), and genotype A (0.3%). In contrast, the prevalence of hepatitis C was much higher in Java island compared to other islands. In blood donors in Java island, the prevalence of anti-HCV and HCV RNA were 1.5 and 1.1% respectively, while in other islands, the prevalence were only 0.7 and 0.2% respectively. Hepatitis D was very rare in Indonesia, and so was hepatitis E. Outbreaks of hepatitis E were reported between 1989 and 1993 in West Kalimantan. Afterward, the incidence of hepatitis E was reported sporadically. How to cite this article: Mulyanto. Viral Hepatitis in Indonesia: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):65-69. PMID- 29201732 TI - A Hepatocellular Carcinoma Case in a Patient Who had Immunity to Hepatitis B Virus Earlier. AB - : Hepatocellular carcinoma (HCC) is the most common malignant tumor of the liver. Hepatitis B virus infection is one of the most important etilogical factors of HCC. In this case report, a patient with HCC previously infected and having ongoing immunity against hepatitis B virus will be discussed. How to cite this article: Ates I, Kaplan M, Demirci S, Altiparmak E. A Hepatocellular Carcinoma Case in a Patient Who had Immunity to Hepatitis B Virus Earlier. Euroasian J Hepato-Gastroenterol 2016;6(1):82-83. PMID- 29201731 TI - Viral Hepatitis in Pakistan: Past, Present, and Future. AB - : Viral hepatitis is a major cause of morbidity and mortality worldwide and a rising cause for concern in Asian countries. Weather it is blood borne or water/food borne hepatotropic virus, increasing burden is alarming for Asian countries. In this review we have evaluated the existing data to estimate the burden of viral hepatitis in populations of all age groups nationwide, along with an assessment of the risk factors and preventive and management strategies currently employed in Pakistan. The aim of our work is to consolidate and supplement the present knowledge regarding viral hepatitis in light of past and present trends and to provide future direction to the existing health policies. How to cite this article: Butt AS, Sharif F. Viral Hepatitis in Pakistan: Past, Present, and Future. Euroasian J Hepato-Gastroenterol 2016;6(1):70-81. PMID- 29201733 TI - Brunneroma: A Rare Cause of Duodeno-duodenal Intussusception. AB - : Brunner gland hamartoma (brunneroma) is a rare benign tumor of the duodenum. It is usually asymptomatic and detected incidentally by endoscopy or other imaging modality. The definitive diagnosis is based on histopathological findings. These may mimic tumors of other natures, such as gastrointestinal stromal tumors (GIST), carcinoids, lipomas, and leiomyomas. Here, we present a case of duodenal polyp presenting with abdominal pain and obstructive symptoms that caused duodenal intussusception. It was surgically removed and found to be a brunneroma on histopathology. How to cite this article: Patankar AM, Wadhwa AM, Bajaj A, Ingule A, Wagle P. Brunneroma: A Rare Cause of Duodeno-duodenal Intussusception. Euroasian J Hepato-Gastroenterol 2016;6(1):84-88. PMID- 29201734 TI - A Case of Organic Acidemia: Are Physicians Aware Enough? AB - : Diversity of clinical presentation of inborn errors of metabolism (IEM) gives a diagnostic challenge to the practicing physicians. In recent years there have been dramatic advances in the diagnosis and treatment of these fatal diseases, which shows improved prognosis of many of these conditions. The need for screening for IEM arises out of the fact that most cases take to irreversible effects as time progresses. Here, the main challenge is to recognize the early signs and symptoms that are also common to sick infants with other diseases. We describe a 32-day-old female infant who was finally diagnosed as a case of IEM (organic acidemia).The baby had a history of multiple neonatal intensive care unit admission. She died during her last hospital admission. The purpose of our case presentation is to provide clues to the true nature of the disease and to make physicians aware about the possibility of IEM. How to cite this article: Mosleh T, Dey SK, Mannan MA. A Case of Organic Acidemia: Are Physicians Aware Enough? Euroasian J Hepato-Gastroenterol 2016;6(1):89-90. PMID- 29201735 TI - Interstitial Pneumonitis Related to Pegylated Interferon Alfa-2a Treatment in a Patient with Chronic Hepatitis C. AB - Alkan E, Akin M, Adanir H, Tuna Y. Interstitial Pneumonitis Related to Pegylated Interferon Alfa-2a Treatment in a Patient with Chronic Hepatitis C. Euroasian J Hepato-Gastroenterol 2016;6(1):91-92. PMID- 29201736 TI - Editorial. PMID- 29201737 TI - Helicobacter pylori Infection among Patients with Dyspepsia and Intrafamilial Transmission. AB - Introduction: Recurrence is an important problem after Helicobacter pylori infection, and intrafamilial transmission has an important role in recurrence. In this study, we aimed to investigate the significance of intrafamilial transmission for recurrence development after treatment as well as its usefulness in prevention. Materials and methods: Of the 109 patients who had dyspepsia and underwent endoscopy, 74 patients had H. pylori infection and were enrolled in this study. Infected family members were also detected. Patients were randomly divided into groups I and II, with each group containing 37 individuals. In group I, patients and their infected family members were treated together at the same time. In group II, only the patients were treated. Treatment success was evaluated at the 1st month and evaluation for recurrence was carried out at the 6th month. Results: Helicobacter pylori infection was detected in 67.8% of the patients with dyspepsia. Two patients in each group did not show up at the 1st month control. Eradication was achieved in 63 of the 70 patients (90.0%) who completed their treatment. After 6 months, patients with successful treatment had no recurrence in any of the 32 patients in group I. There were recurrence in 3 of the 31 patients (9.7%) in group II; however, there was no statistically significant difference between the groups (p = 0.113). Conclusion: Our study showed that eradication treatment in patients and family members with H. pylori infection resulted in a decrease in the number of recurrences even though it was not statistically significant. How to cite this article: Yalcin M, Yalcin A, Bengi G, Nak SG. Helicobacter pylori Infection among Patients with Dyspepsia and Intrafamilial Transmission. Euroasian J Hepato-Gastroenterol 2016;6(2):93-96. PMID- 29201738 TI - Histopathological Assessment of Dyspepsia in the Absence of Endoscopic Mucosal Lesions. AB - Introduction: Dyspepsia is a common symptom with an extensive differential diagnosis. Endoscopy alone may miss serious mucosal lesions in about 15 to 30% of cases. The aim was to determine histopathological features of gastric and duodenal mucosal biopsies in patients with dyspepsia and normal looking upper gastrointestinal (GI) endoscopy. Materials and methods: One hundred and five adult patients presenting with dyspepsia with no endoscopic mucosal lesions in the upper GI tract were included. Gastric biopsy specimens according to Sydney Houston system for grading gastritis and biopsy from duodenum were taken. The histopathological features were graded according to the Sydney-Houston system classification for grading gastritis. Results: The histological lesions were found in 65.7% (69 out of 105 endoscopy free dyspeptic patients). Chronic inflammation was the commonest finding. Neutrophilic activity, glandular atrophy, and mild degree of intestinal metaplasia were present in 27, 45, and 6 patients (22.8, 42.8, and 5.7% respectively). Helicobacter pylori was present in 54 patients with histopathological lesions and in 6 patients without histopathological lesions, and the difference was significant (p = 0.045). Conclusion: The endoscopic diagnosis of dyspepsia correlated poorly with histopathological findings. The histopathological examination allowed detection and grading of gastric pathology in dyspepsia with normal endoscopy and the commonest finding was the moderate chronic gastritis. How to cite this article: Dawod HM, Emara MW. Histopathological Assessment of Dyspepsia in the Absence of Endoscopic Mucosal Lesions. Euroasian J Hepato-Gastroenterol 2016;6(2):97-102. PMID- 29201739 TI - Is There any Association Between Celiac Disease and Helicobacter pylori? AB - Objective: It was aimed to determine if there was a correlation between celiac disease (CD) and Helicobacter pylori (H. pylori) by comparing the prevalence of H. pylori in patients with and without CD. Materials and methods: The patients who were diagnosed with CD and tested for H. pylori and the patients who presented for gastroscopy and tested for H. pylori were evaluated retrospectively and the prevalence of H. pylori was compared. Results: Fifteen (48%) of 31 patients who were diagnosed with CD and tested for H. pylori were males and had a mean age of 33.1 +/- 12.7 years (17-72). In the CD group, H. pylori was positive in 15 patients (48%), and 592 antrum biopsy that was performed were included as the control group. Of these patients, 299 (50.5%) were males and had a mean age of 44.4 +/- 17.05 years (16-96). Helicobacter pylori were positive in 316 patients (53.4%). Helicobacter pylori prevalence was similar in the groups with and without CD (p > 0.5). Conclusion: Although the prevalence of H. pylori was lower in celiac patients compared to the control group, the difference was not statistically significant. Although no findings suggesting a correlation between CD and H. pylori was found, further studies should be conducted. How to cite this article: Uyanikoglu A, Dursun H, Yenice N. Is There any Association Between Celiac Disease and Helicobacter pylori? Euroasian J Hepato-Gastroenterol 2016;6(2):103-105. PMID- 29201740 TI - Type 1 Gastric Carcinoid in the Indian Population and Its Association with Multifocal Gastric Atrophy. AB - Aim: Recent studies have shown an increase in the incidence of gastric neuroendocrine tumors (NETs) (carcinoids). This may be attributable to the frequent employment of endoscopy in clinical practice and the increasing use of proton pump inhibitors. From the literature that is available, it is interesting to note that the profile of patients with gastric carcinoids is different in the Asian population when compared to the western societies. As limited data is available from India, we evaluated retrospectively the clinical profile and pathology of gastric carcinoids presenting to our hospital. Materials and methods: A total of 31 patients with gastric carcinoids who presented to our institution from 2006 till 2013 were included in this study. The clinical data were obtained from the case files and the histopathology slides were reviewed. Results: Gastric carcinoids constituted about 32% of all gastrointestinal (GI) NETs and were second only to duodenal carcinoids in frequency. Men were more commonly affected (74%) and the majority were of type 1 (90%). Multifocal gastric atrophy with intestinal metaplasia was additional features seen in the majority of cases with type 1 carcinoids. Conclusion: This study, one of the largest series reported from India, shows that the frequency and profile of gastric carcinoids is different in this population when compared to the west. It also raises the possibility that Helicobacter pylori induced multifocal gastric atrophy might be a triggering factor for the most common type 1 gastric carcinoid rather than autoimmune gastritis. Clinical significance: Eradication of H.pylori may be a potential preventive strategy for the occurrence of gastric carcinoids. How to cite this article: Ananthamurthy A, Correa M, Patil M. Type 1 Gastric Carcinoid in the Indian Population and Its Association with Multifocal Gastric Atrophy. Euroasian J Hepato-Gastroenterol 2016;6(2):106-110. PMID- 29201741 TI - Profile of Acute Liver Failure from North-east India and Its Differences from other Parts of the Country. AB - Background: Acute liver failure (ALF) is a critical illness with a large number of viral and nonviral causes. Clinical course and etiologies in the Asian countries are different from those reported from the Western world and mortality is high. There may even be intracountry variations in large countries like India, which have differing culture, ethnicity, and environment. Data from North-east part of India is lacking. Materials and methods: Acute liver failure cases (>14 years of age) seen over a period of 8 years (n = 255) were studied at a Government Medical College in Assam for their etiological and other demographic profile. Viral serology was carried out and revalidated at a laboratory in New Delhi. Results: Majority of cases were <30 years of age. Commonest etiology was nonviral (non-ABCE). Amongst viral causes, hepatitis A and E were common, while hepatitis B virus (HBV) was rare. Unknown herbal medication use was very frequent in our cases with a significantly higher mortality. Mortality was highest in cases in 3rd decade of life. Statistically, international normalized ratio (INR) was the strongest predictor of death. Conclusion: Unlike the rest of India, hepatitis virus is not the major cause of ALF in our part; hepatitis A being commoner than hepatitis E, and B is rare. Unknown herbal medications are major cause of mortality and is important medicosocial issue. Our study highlights the differences in the profile of ALF from other Indian and western studies, possibly due to sociocultural factors prevalent in this part. How to cite this article: Das AK, Begum T, Kar P, Dutta A. Profile of Acute Liver Failure from North-east India and Its Differences from other Parts of the Country. Euroasian J Hepato Gastroenterol 2016;6(2):111-115. PMID- 29201742 TI - Fecal Calprotectin for predicting Relapse and Activity in Patients with Crohn's Disease: A Meta-analysis. AB - Aims: We aimed to perform a meta-analysis of the predictive capacity of fecal calprotectin (FC) in activity and relapse of Crohn's disease (CD). Materials and methods: MEDLINE, EMBASE, and the Cochrane Library databases were searched systematically. Pooled sensitivity, specificity, and other diagnostic indices were evaluated. Results: A total of 1,252 CD patients from 18 different studies were analyzed. The pooled sensitivity and specificity of FC at a cutoff value of 50 MUg/g to predict activity of CD were 0.91 [95% confidence interval (CI): 0.87 0.95] and 0.47 (95% CI: 0.35-0.59) respectively. The pooled sensitivity and specificity of FC at a cutoff value of larger than 150 MUg/g to monitor relapse of CD was 0.75 (95% CI: 0.67-0.82) and 0.71 (95% CI: 0.66-0.76) respectively. The area under the summary receiver operating characteristic (SROC) curve of FC for detecting CD activity was 0.78 (50 MUg/g), 0.88 (100 MUg/g), 0.85 (>150 MUg/g), and the diagnostic odds ratio (DOR) was 10.21 (50 MUg/g), 10.20 (100 MUg/g), 11.68 (>150 MUg/g) respectively. Conclusion: As a simple and noninvasive marker, FC is useful to predict the activity and relapse in CD patients, and the capacity of FC to predict CD activity was superior to its application in monitoring relapse of CD. How to cite this article: Zhuge Y, Huang Q-P, Li Q, Wang J-S. Fecal Calprotectin for predicting Relapse and Activity in Patients with Crohn's Disease: A Meta-analysis. Euroasian J Hepato-Gastroenterol 2016;6(2):116-124. PMID- 29201743 TI - Liver Echinococcosis complicated with Lesions of Bile Ducts in Azerbaijan. AB - : A total of 302 patients with liver echinococcosis (LE) complicated by lesions of bile duct during 1988 to 2015 were analyzed. The patients were divided into two groups. In the first group, 227 patients were included with lesions of segmental bile ducts in the form of cystobiliary and bilio-bronchial fistulas. In the second group, 75 patients with lesions of hepatic bile were enrolled. Diagnosis of LE and its complications was made by ultrasonography and computed tomography (CT). Surgical treatment included echinococcectomy with complete liquidation of a residual cavity (35.1%), echinococcectomy with suturing (46.0%), external drainage of a residual cavity (7.3%), pericystectomy (8.6%), and resection of a liver (3.0%). Postoperative complications related to operative intervention developed in 29 patients. Lethal outcomes took place in 6 cases (2.0%). The analysis has shown that the form of bile duct lesions, methods of surgical operation for liquidation of hydatid cysts, and its biliary complications had influenced the treatment outcome. More optimal results are received after complete liquidation of residual cavity in different ways and suturing of cystobiliary fistulas during operation. For prevention of complications related to the presence of residual cavity, laser processing of walls of a residual cavity by ozonized 17% hypertonic solution of NaCl was used and this procedure showed obvious (p < 0.05) advantages. How to cite this article: Aghayev RM. Liver Echinococcosis complicated with Lesions of Bile Ducts in Azerbaijan. Euroasian J Hepato-Gastroenterol 2016;6(2):125-130. PMID- 29201744 TI - Effects of Age on Liver Enzyme Levels of Obese Men following Moderate-intensity Interval Training. AB - : The present study aims to consider the effects of age on liver enzyme levels of obese men following 15 weeks of moderate-intensity interval training (MIIT). Ten obese middle-aged persons (aged 55.2 +/- 4.31 years; height 171.4 +/- 3.59 cm; weight 95.7 +/- 14.61 kg; and body mass index [BMI] 32.53 +/- 4.59 kg/m2) and 10 obese young adults (age 22.7 +/- 1.25 years; height 177.4 +/- 3.94 cm; weight 100.7 +/- 8.04 kg; and BMI 32 +/- 2.39 kg/m2) were enrolled in this study. Interval training was followed by 65 to 75% of VO2max, 1 set, 2 minutes and seven repetitions, 1 minute rest-relief interval with 50% of VO2max. Blood sampling was carried out in order to measure aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP). All analyses were conducted by Statistical Package for the Social Sciences (SPSS) software (version 16 for windows). A descriptive statistics including mean and standard deviation was obtained for all parameters. Analysis of covariance (ANCOVA) and test of normality (Shapiro-Wilk test) were used. Paired sample t-test was used to compare the pretest and posttest data in each group. Comparison between middle-aged and young adults has shown that MIIT causes significant increase of ALT levels in young adults. There is no significant difference between middle-aged and young adults on other variables. Also paired sample t-test shows that ALP was decreased in both groups. How to cite this article: Rohollah V, Sedigheh K, Yadollah M, Rahmatollah K, Mojtaba M. Effects of Age on Liver Enzyme Levels of Obese Men following Moderate-intensity Interval Training. Euroasian J Hepato-Gastroenterol 2016;6(2):131-133. PMID- 29201745 TI - Study of Clinicopathological Profile of Sporadic Cases of Colorectal Cancer. AB - Objectives: Colorectal cancer (CRC) is the third leading cause of cancer-related deaths in the world. This study was carried out to see the epidemiological and clinicopathological profile of sporadic cases of CRC in Bangladesh. Materials and methods: The patients diagnosed to have colorectal carcinoma in two private medical centers of Bangladesh from January 2012 to December 2014 were enrolled in this study. Demographic data, clinical presentations, site of lesions, and histological types were analyzed. Results: Total 158 patients were included in this study. The mean age was 50.77 years and male to female ratio was 1.55:1. Rectal bleeding was the commonest symptom irrespective of age and sex followed by abdominal pain (33, 20.9%), weight loss (29, 18.3%), abdominal mass (26, 16.4%), and altered bowel habit (22, 13.9%). Common histological type was adenocarcinoma (156, 98.7%). Conclusion: Colorectal cancer commonly affects males >40 years of age. Most common site of involvement is rectum, which is followed by left colon. How to cite this article: Saha M, Shil BC, Saha SK, Banik RK, Perveen I, Chowdhury MKS, Nazmul Islam ASM, Saifullah ANM. Study of Clinicopathological Profile of Sporadic Cases of Colorectal Cancer. Euroasian J Hepato-Gastroenterol 2016;6(2):134-136. PMID- 29201747 TI - Appropriateness of Upper Gastrointestinal Endoscopy: Will the Diagnostic Yield Improve by the use of American Society of Gastroenterology Guidelines? AB - Aim: Open access endoscopy allows physicians and general practitioners (GIs) to refer patients for endoscopy without prior outpatient consultation. This system was introduced to reduce waiting time to the procedure and subsequent diagnosis. Concerns have been raised regarding misuse of this system with increasing number of inappropriate referrals and hence more normal examinations, which has implications on a public-funded health system. The aim of this study was to assess the appropriate use of the open access system at a rural New Zealand hospital and to see if the diagnostic yield improves by following the American Society of Gastroenterology (ASGE) guidelines for upper gastrointestinal endoscopy [esophagogastroduodenoscopy (OGD)]. Materials and methods: This was a prospective study including all the patients who had OGD at Taranaki Base Hospital between December 2013 and 2014. A total of 1,019 patients had OGD during this time period. The ASGE guidelines were used to see the relationship between appropriateness of OGD and finding of a relevant endoscopic diagnosis. Results: Fifty-eight percent of the OGDs were judged to be appropriate and 42% inappropriate by the explicit criteria. No cancer was found in OGDs judged to be inappropriate. Upper gastrointestinal (GI) endoscopies judged appropriate yielded significantly more relevant lesions than those judged to be inappropriate [65% vs 32%; odds ratio 3.94, 99% confidence interval (CI) 2.78, 5.57; p < 0.01]. Conclusion: The use of ASGE guidelines increases diagnostic yield of OGDs done, which is crucial to cost-effectiveness of an open access system and makes the system more efficient in selecting and treating patients who need it the most, in an acceptable time span. How to cite this article: Tahir M. Appropriateness of Upper Gastrointestinal Endoscopy: Will the Diagnostic Yield Improve by the use of American Society of Gastroenterology Guidelines? Euroasian J Hepato-Gastroenterol 2016;6(2):143-148. PMID- 29201746 TI - Role of Renin-Angiotensin-converting Enzyme Level and ACE Gene Polymorphism in Patients with Nonalcoholic Fatty Liver Disease. AB - Introduction: In this study, we aimed to investigate the histological and clinical effect of angiotensin-converting enzyme (ACE) and ACE gene polymorphism in nonalcoholic fatty liver disease (NAFLD) and their roles in the progression of the disease. Materials and methods: Liver function tests, body mass index, waist circumference, lipid parameters, fasting blood glucose (FBG), hemoglobin A1c (HbA1c), homeostasis model assessment-IR (HOMA-IR), ACE, and ACE gene polymorphism were evaluated in the NAFLD group and control group. The study group was evaluated by dividing the group into four subgroups by ACE gene polymorphism (D/D homozygous, I/I homozygous, D/I heterozygous, I/D heterozygous). Liver biopsies were evaluated according to Brunt Classification. Results: A total of 31 patients who were diagnosed with NAFLD and 40 healthy individuals were included in the study. The ACE level was found to be 11.69 +/- 1.99 in the NAFLD group and 11.52 +/- 1.72 in the control group (p = 0.70). There was a negative correlation between ACE levels and HOMA-IR levels (p = 0.008, r= -0.512). Biochemical parameters were not different among ACE gene polimorphism subgroups, except FBG (between D/D, I/D and D/I, I/D; p = 0.02). When the ACE levels were compared in terms of grade and stage, no significant difference was found (for stage and grade p = 0.68). The ACE gene polymorphism subgroups did not differ by histopathologic findings; grade and stage (for grade p = 0.42, for stage p = 0.92). Conclusion: In this study, we could not find a correlation of ACE and ACE gene polymorphism with metabolic risk factors and the disease severity in NAFLD. How to cite this article: Tekatas DD, Bahcecioglu IH, Ispiroglu M, Sahin A, Ilhan N, Yalniz M, Demirel U. Role of Renin-Angiotensin-converting Enzyme Level and ACE Gene Polymorphism in Patients with Nonalcoholic Fatty Liver Disease. Euroasian J Hepato-Gastroenterol 2016;6(2):137-142. PMID- 29201748 TI - IP-10, p53, and Foxp3 Expression in Hepatocytes of Chronic Hepatitis B Patients with Cirrhosis and Hepatocellular Carcinoma. AB - Aim: Elucidating differences in gene expression may be useful in understanding the molecular pathogenesis and for developing specific markers for the outcome of hepatitis B virus (HBV) infection. In the present study, expressions of host gene interferon gamma-inducible protein (IP-10), p53, and Foxp3 were studied in hepatocytes of patients with chronic HBV infection to determine a possible link between selected host gene expression and the outcome of HBV infection. Materials and methods: The study was conducted in 60 patients with chronic HBV infection and they were divided into four groups: HBV-positive cirrhosis (n = 15), HBV negative cirrhosis (n = 15), HBV-positive hepatocellular carcinoma (HCC) (n = 15) and HBV-negative HCC (n = 15). Total messenger ribonucleic acid (mRNA) extraction was done followed by complementary deoxyribonucleic acid (cDNA) synthesis, and finally gene expression was performed using real-time polymerase chain reaction (PCR) technique. Results: IP-10 and p53 gene expressions were lower in HBV positive cirrhosis, and Foxp3 gene expression was upregulated in HBV-positive cirrhosis in comparison to HBV-negative cirrhosis. The expressions of all the three genes were upregulated among HBV-positive HCC in comparison to HBV-negative HCC. The expression of IP-10, p53, and Foxp3 genes was upregulated in HBV positive HCC in comparison to HBV-positive cirrhosis. Conclusion: This study indicates that there are variations in the expression of the selected genes among cirrhosis and HCC patients with or without HBV. All the three selected genes were more or less upregulated in HBV-positive HCC patients, but only Foxp3 expression was upregulated in HBV-positive cirrhosis. These three particular genes may have a role in the molecular pathogenesis and clinical outcome of HBV-positive cirrhosis and HCC patients. These aspects need further evaluation by studies with larger numbers of cirrhosis and HCC patients. How to cite this article: Shahera U, Munshi S, Jahan M, Nessa A, Alam S, Tabassum S. IP-10, p53, and Foxp3 Expression in Hepatocytes of Chronic Hepatitis B Patients with Cirrhosis and Hepatocellular Carcinoma. Euroasian J Hepato-Gastroenterol 2016;6(2):149-153. PMID- 29201750 TI - Cost Assessment of Hepatitis B Virus-related Hepatitis in Bangladesh. AB - : Hepatitis B virus (HBV) infection is endemic in Bangladesh. Studies have indicated that HBV is the major cause of chronic hepatitis B (CHB), liver cirrhosis (LC), and hepatocellular carcinoma (HCC) in this country. Recently, HBV related acute on chronic liver failure (HBV-ACLF) has emerged as a serious and emergent medical problem in Bangladesh. To develop a strategy to address HBV related problems and their influence on health care delivery system, proper understandings about extent of problems and nature of economic burden should be explored. Conservative estimates indicate that about 50 million or more of Bangladeshi have been infected by HBV at some point of their life. Out of the total Bangladeshi population, about 2 to 5% is chronically infected with HBV (about 3-8 million) (1-6%) and considerable number of these patients will eventually develop LC, HCC, or ACLF (about 1 million). Although proper statistics is lacking, it is estimated that HBV-related liver diseases account for a majority of hospital admissions and around 20,000 deaths every year in Bangladesh. In addition, complex clinical features of HBV-related liver diseases have been documented in Bangladesh that show similarity and differences from HBV infection in other Asian countries. Although vaccination against HBV and containment of horizontal transmission are in progress in Bangladesh for reduction of new HBV infection, there is a lack of national strategy for treatment of millions of chronic HBV-infected subjects. This paper will provide an insight regarding the economic impact of HBV in Bangladesh that may act as a primary impetus for developing national HBV eradication program, a goal set by World Health Organization (WHO). How to cite this article: Al Mahtab M, Chaudhury M, Uddin MH, Noor-E-Alam SM, Rahim MA, Alam MA, Moben AL, Khondaker FA, Choudhury MFI, Sarkar MJA, Poddar PK, Foez SA, Akbar SMF. Cost Assessment of Hepatitis B Virus-related Hepatitis in Bangladesh. Euroasian J Hepato-Gastroenterol 2016;6(2):163-166. PMID- 29201749 TI - Nonalcoholic Fatty Liver Disease in South Asia. AB - : Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the West, and is also increasing alarmingly in South Asia, reaching an epidemic proportion of 30% because of epidemic of obesity and metabolic syndrome (MS) in younger South Asians in the last two decades. Prevalence of MS and fatty liver is escalating in geometric progression in South Asian countries, such as India, Pakistan, Sri Lanka, Bangladesh, Nepal, Bhutan, Burma, and Maldives because of sedentary lifestyle, poor health awareness, socioeconomic growth, affluence, urbanization, and dietary westernization. Almost 20% of world's population resides in South Asia, making it the most populous and most densely populated geographic region in the world, thereby having most of MS and NAFLD cases within its territory. The risk factors and course of NAFLD do not differ between South Asians and other ethnic populations, but the obesity epidemic is more recent in South Asia than elsewhere in the world. Nonalcoholic fatty liver disease may progress through stages of simple bland steatosis, nonalcoholic steatohepatitis (NASH), hepatic fibrosis, cirrhosis, and finally hepatocellular carcinoma (HCC). It is frequently associated with obesity, MS, dyslipidemia, insulin resistance (IR), and type-2 diabetes mellitus (DM). Nonalcoholic fatty liver disease is frequently diagnosed with abdominal ultrasonography (US) study. Despite its high prevalence in the community till now, no definitive pharmacotherapy is available for NAFLD. However, modification of risk factors, such as dyslipidemia, control of diabetes, and weight reduction do help to some extent. The nonobese South Asians are also at increased risk of having NAFLD and NASH as, despite of absence of frank obesity in South Asians, they are metabolically more obese compared to other ethnic population and more prone to develop NAFLD-related complications. Therefore, the cost-effective US abdomen should be included in the list of tests for persons undergoing preemployment or master health checkups for early diagnosis of NAFLD in this resource-constraint South Asian region, so that early necessary measures can be undertaken to reduce NAFLD associated morbidity and mortality in the community. How to cite this article: Pati GK, Singh SP. Nonalcoholic Fatty Liver Disease in South Asia. Euroasian J Hepato-Gastroenterol 2016;6(2):154-162. PMID- 29201751 TI - A Case of Biliary Peritonitis following Spontaneous Common Bile Duct Perforation in a Child. AB - : Spontaneous common bile duct (CBD) perforation leading to biliary peritonitis is a rare entity in children. It is an unusual cause of acute abdomen and is potentially fatal. Preoperative diagnosis is rare. A 10-year-old girl was referred from a private hospital after laparotomy for acute abdomen. Intraoperatively, bile was found in the peritoneal cavity which was drained, and the patient was referred to Topiwala National Medical College. Endoscopic retrograde cholangiopancreaticography (ERCP) and stenting was done. The stent was removed after 8 weeks, and the girl is doing well during follow-up. How to cite this article: Sharma C, Desale J, Waghmare M, Shah H. A Case of Biliary Peritonitis following Spontaneous Common Bile Duct Perforation in a Child. Euroasian J Hepato-Gastroenterol 2016;6(2):167-169. PMID- 29201752 TI - A Case of Early detected Multidrug-resistant Acinetobacter baumannii Infection after Liver Transplantation. AB - : Invasive bacterial infections have become the leading cause of morbidity and mortality among solid organ transplant recipients (SOTRs). Acinetobacter baumannii can cause a serious infection in SOTRs. Multidrug-resistant A. baumannii (MDR-Ab) represents a major problem in liver transplant recipients. Here, we presented a respiratory infection related to MDR-Ab pathogenesis in a patient who underwent liver transplantation due to acute hepatic failure. Accordingly, it has been emphasized that infections after the liver transplantation should be accomplished after due consideration of all relevant facts with a multidisciplinary approach. How to cite this article: Balkan A, Balkan Y, Mete AO. A Case of Early detected Multidrug-resistant Acinetobacter baumannii Infection after Liver Transplantation. Euroasian J Hepato-Gastroenterol 2016;6(2):170-172. PMID- 29201753 TI - How to approach Incidentally detected Gastrointestinal Stromal Tumor during Laparoscopic Sleeve Gastrectomy: A Report of Two Cases. AB - : Laparoscopic sleeve gastrectomy (LSG) is a frequently used bariatric surgery method. It is possible to incidentally detect gastrointestinal stromal tumors (GISTs) of stomach or other gastric tumors during this procedure. In the literature, there is limited data about cooccurrence of GIST in obesity, and treatment of such cases is still controversial. On the contrary, currently accepted treatment of local and nonmetastatic GIST cases is surgery alone, and of cases with systemic disease is surgery combined with imatinib mesylate therapy. Incidental detection of GIST during bariatric surgery may require a modification in the planned procedure, and an extensive exploration and picking a convenient surgical procedure will become necessary. Here, we present two cases - a gastric GIST and a GIST of small intestine - both of which were incidentally detected during LSG performed for obesity. How to cite this article: Atas H, Bulus H, Akkurt G, Yavuz A, Tantoglu U, Alimogullari M, Aydin A. How to approach Incidentally detected Gastrointestinal Stromal Tumor during Laparoscopic Sleeve Gastrectomy: A Report of Two Cases. Euroasian J Hepato-Gastroenterol 2016;6(2):173-175. PMID- 29201754 TI - Complete Eradication of Bleeding Duodenal Varices with Endoscopic Polydocanol Sclerotherapy. AB - : Bleeding from duodenal varices is a rare complication of portal hypertension, occurring in only 0.4% of these patients and is often life-threatening because of the difficulty in diagnosis and treatment. Treatment options include surgical procedures and endoscopic and endovascular treatments. A 48-year-old female cirrhotic patient was admitted to our clinic with upper gastrointestinal (GI) tract bleeding. Endoscopic examination revealed nonbleeding Lm, Cb, RC (+), F3-F3 F2 esophageal and nodular-bleeding-oozing duodenal varices. Esophageal varices were eradicated with band ligation at two sessions. After one session of 2% polydocanol sclerotheraphy, no signs of bleeding were determined. Complete eradication was achieved after five sessions and 1 year apart from the initial treatment duodenal varices were eradicated. Although duodenal varices are rare, they are frequently fatal. There are limited data regarding optimal treatment. Successful treatment depends both on patient factors (hepatic synthetic function, comorbidities, size/location of the varices) and center expertise. Long-term eradication is variable and may depend on the cause and extensiveness of the ectopic varices. How to cite this article: Temel T, Aktas A, Ozgenel SM, Ozakyol A. Complete Eradication of Bleeding Duodenal Varices with Endoscopic Polydocanol Sclerotherapy. Euroasian J Hepato-Gastroenterol 2016;6(2):176-178. PMID- 29201755 TI - A Rare Cause of Acute Abdomen: Diagnosis and Management of Adult Colonic Intussusception. AB - : Intussusception in adults is very rarely seen, and this cause acute abdomen. A computed tomography (CT) scan, clinical suspicion, history, and a physical examination are important for the diagnosis. We present two cases of colonic intussusceptions induced by lipoma. The cases had similar locations, diagnoses, and management. Both lipomas were located close to the cecum in the ascending colon, and a right segmental colon resection was performed in both cases. The follow-up of both cases was uneventful. Although benign lesions can cause colonic intussusception, the high incidence of malignancy in colonic lesions should always be considered. Therefore, oncologic surgical procedures should be applied. The definitive diagnosis can be made by histopathology. How to cite this article: Sertkaya M, Emre A, Pircanoglu EM, Yazar FM, Tepe M, Cengiz E, Isler A, Vicdan H. A Rare cause of Acute Abdomen: Diagnosis and Management of Adult Colonic Intussusception. Euroasian J Hepato-Gastroenterol 2016;6(2):179-182. PMID- 29201756 TI - Abdominal Inflammatory Myofibroblastic Tumor: A Rare Case. AB - : An inflammatory myofibroblastic tumor, also known as inflammatory pseudotumor, is a rare neoplasm characterized by myofibroblastic spindle and inflammatory cells that cause masses in many sites of body. It is often benign, but in some cases neoplastic transformation has been reported as a result of aggressive growing. In our case, an inflammatory myofibroblastic tumor was reported by biopsy of a 25 * 15 cm abdominal mass. How to cite this article: Tastekin F, Ersoy M, Temel T, Ozgenel SM, Canaz F, Ozakyol A. Abdominal Inflammatory Myofibroblastic Tumor: A Rare Case. Euroasian J Hepato-Gastroenterol 2016;6(2):183-185. PMID- 29201757 TI - Giant Appendicular Mucocele Due to Mucinous Cystadenoma. AB - : Mucocele of the appendix is a rare clinicopathological entity simulating acute appendicitis. The most common form of the mucocele is cystadenoma, which is characterized by luminal dilatation producing large amounts of mucin. We present a new case of a giant mucocele of appendix with mucinous cystadenoma. A 61-year old female was admitted with complaints of severe lower right quadrant pain. Ultrasonography and computed tomography (CT) suggested that it was a mucocele, but due to severity of pain, she underwent an emergency operation. Fortunately, without a perforation, it was a giant mucocele and the operation was terminated with an uneventful appendectomy with segmental cecal resection. The histopathological evaluation of the specimen reported to be a mucocele with mucinous cystadenoma with negative surgical margins. The patient was discharged postoperative 6th day, and a control colonoscopy and abdominal CT was planned for 6 months following surgery. Appendicular mucocele is rare and difficult to diagnose preoperatively, and sometimes it may be of large size which increases the risk of perforation. Pseudomyxoma peritonei (PP) is the most feared complication of mucocele perforation. Appendectomy with negative margins is a requirement for adequate treatment for most cases. Utmost care should be taken during surgery to avoid perforation of mucocele. How to cite this article: Sertkaya M, Emre A, Pircanoglu EM, Peker O, Cengiz E, Karaagac M. Giant Appendicular Mucocele Due to Mucinous Cystadenoma. Euroasian J Hepato Gastroenterol 2016;6(2):186-189. PMID- 29201758 TI - A Case of Severe Ulcerative Colitis with Colonic Dilatation caused by Renal Mucinous Tubular and Spindle Cell Carcinoma. AB - : We present a case of ulcerative colitis (UC) in a patient during the first severe relapse with colonic dilatation and coexisting of giant renal tumor. Kidney tumor was constricting on colon and imitating toxic megacolon (TM). The patient with severe acute colitis (SAC) was admitted to the Department of Gastroenterology and Hepatology with inflammatory bowel disease (IBD) diagnosed in the previous month, based on clinical symptoms, endoscopy, and histopathology results. Computed tomography (CT) revealed a giant left kidney tumor without evidence of infiltration, a dilatation of the transverse colon up to 6 cm, and narrow light of the descending colon. There were no signs of intestinal obstruction or perforation. The control X-rays revealed maintaining megacolon, with dilatation of splenic flexure projection up to 6.5 to 7.5 cm. The patient was treated conservatively with no apparent improvement and finally operated on. Intraoperatively, a large tumor of the kidney (12 cm) constricting intestine was revealed. Left-sided nephrectomy and partial resection of the colon with the emergence of a colostomy was performed. The histopathology exam revealed renal mucinous tubular and spindle cell carcinoma (RMTSCC), a very rare malignant kidney tumor of low malignant potential and relative good prognosis. It was identified in the past 20 years. To date, approximately 100 such cases of cancer have been described. How to cite this article: Kukulska M, Smola I, Halon A, Paradowski L, Poniewierka E, Kempinski R, Annabhani A. A Case of Severe Ulcerative Colitis with Colonic Dilatation caused by Renal Mucinous Tubular and Spindle Cell Carcinoma. Euroasian J Hepato-Gastroenterol 2016;6(2):190-193. PMID- 29201759 TI - Budd-Chiari Syndrome Due to Protein C Deficiency: A Rare Disorder to cause Chronic Liver Disease. AB - : The Budd-Chiari syndrome (BCS) is a rare disorder due to chronic liver disease (CLD), which is caused by the obstruction of hepatic venous outflow that can be located at any place from the small hepatic venules up to the entrance of the inferior vena cava (IVC) into the right atrium. Among the causes of BCS, the rarer one is coagulation factor deficiencies. Here, we report a case of BCS associated with deficiency of protein C resulting in thrombus in IVC. The patient was a 50-year-old male, who had been suffering from recurrent abdominal and leg swelling for a long period of 7 years. He was evaluated thoroughly, and other causes of liver cirrhosis were excluded. How to cite this article: Begum R, Al Mahtab M, Al Mamun A, Moben AL, Hossain SMS, Das DC, Malakar D, Rashid HO, Roy PP, Rahman S. Budd-Chiari Syndrome Due to Protein C Deficiency: A Rare Disorder to cause Chronic Liver Disease. Euroasian J Hepato-Gastroenterol 2016;6(2):194 197. PMID- 29201760 TI - Embryonal Testicular Cancer with Duodenal Metastasis: Could Nausea and Vomiting be Alarm Symptoms? AB - Aim: Duodenal metastasis of testicular cancer is an uncommon condition in clinical practice. Here, we have reported a case of this nature. Background: Testicular cancers are among the most seen cancer types among young men. Metastasis of testicular cancer generally occurs through hematogenous and lymphatic drainage. Gastrointestinal (GI) metastasis of testicular cancer has been reported rarely. Case report: A duodenal mass was seen in esophagogastroduodenoscopic examination in a man who was admitted into hospital for medical treatment of resistant nausea and vomiting. He was previously diagnosed with testicular cancer. Computed tomography (CT) views were compatible with primary duodenal tumor. The duodenal mass was compatible with germ cell neoplasm metastasis. He received chemotherapy regime which includes cisplatin, paclitaxel, and ifosfamid. Nausea and vomiting symptoms decreased and metastatic mass and lymph nodes were regressed. Conclusion: Duodenum metastasis of testicular cancer can be treated with a chemotherapy regimen, and patients can improve radiologically and symptomatically without the need of any surgery. Physicians should keep in mind that GI metastasis of testicular cancer may present with nausea and vomiting symptoms. How to cite this article: Duygulu ME, Kaymazli M, Goren I, Yildirim B, Sullu Y, Nural MS, Bektas A. Embryonal Testicular Cancer with Duodenal Metastasis: Could Nausea and Vomiting be Alarm Symptoms? Euroasian J Hepato-Gastroenterol 2016;6(2):198-201. PMID- 29201761 TI - Biochemical Scoring System for diagnosing Nonalcoholic Steatohepatitis. AB - Noor-E-Alam M, Alam S, Alam AKMK, Al Mahtab M, Rahman S. Biochemical Scoring System for diagnosing Nonalcoholic Steatohepatitis. Euroasian J Hepato Gastroenterol 2016;6(2):202-204. PMID- 29201762 TI - Editorial. PMID- 29201763 TI - Role of Clinical, Biochemical, and Imaging Parameters in predicting the Severity of Acute Pancreatitis. AB - Aim: The assessment of the severity of acute pancreatitis (AP) is important for proper management of the disease and for its prognosis. The aim was to correlate clinical, biochemical, and imaging diagnostic parameters and evaluate their prognostic values in the early assessment of severity of AP. Materials and methods: We prospectively studied 128 consecutive patients with AP. The predictors were clinical, biochemical, and imaging diagnostic parameters. The outcome measure was the occurrence of complications. Abdominal sonogram, contrast enhanced computer tomography, and pancreatitis-specific clinical and laboratory findings were done. Results: According to the Atlanta classification, 84 patients (65.6%) had mild and 44 (34.4%) had severe AP. The severity markers were significantly different between the mild and the severe groups (p < 0.001). Leukocyte count, serum albumin level, C-reactive protein (CRP), Ranson, acute physiology and chronic health evaluation II (APACHE II), and Glasgow score were the factors associated with radiological severity grade. Leukocyte count, CRP, Ranson score, APACHE II, and Glasgow score were the factors associated with the number and appearance of acute fluid collections (AFCs). A significant association was found between the number of AFCs and the occurrence of complications [odds ratio 4.4; 95% confidence interval 2.5-7.6]. Hospital stay was significantly longer in the group with severe disease as compared with the group with mild disease (p < 0.001). Conclusion: Clinical, biochemical, and imaging diagnostic parameters are related to the clinical course of AP and they can predict its severity. This allows us to determine the severity of the disease and to target the patients with high scores for close monitoring and more aggressive intervention.How to cite this article: Zerem D, Zerem O, Zerem E. Role of Clinical, Biochemical, and Imaging Parameters in predicting the Severity of Acute Pancreatitis. Euroasian J Hepato-Gastroenterol 2017;7(1):1-5. PMID- 29201764 TI - Predictive Value of Mean Platelet Volume in Variceal Bleeding due to Cirrhotic Portal Hypertension. AB - Aim: To investigate whether mean platelet volume (MPV) is a predictor of variceal bleeding in patients with cirrhotic portal hypertension. Materials and methods: This prospective cohort was performed in the internal medicine department of our tertiary care center. Cirrhotic patients were allocated into two groups: Group I consisted of 31 cases without a history of variceal bleeding, whereas group II was made up of 31 patients with a history of variceal bleeding. Data derived from medical history, physical examination, ultrasonography, gastrointestinal system endoscopy, complete blood count, hepatic, and renal function tests were recorded and compared between two groups. On physical examination, encephalopathy and ascites were evaluated and graded with respect to Child-Pugh-Turcotte classification. Results: There was no significant difference between the two groups in terms of age, duration of the disease, and gender of the patient. The only remarkable difference was that hemoglobin (p = 0.02) and hematocrit (p = 0.02) values were lower in group II. Neither the etiology of bleeding was different between groups nor did MPV seem to have a noteworthy impact on bleeding. Interestingly, risk of variceal bleeding increased in parallel to the higher grade of varices. Conclusion: Our results imply that there is a correlation between the grade of varices and esophageal vari-ceal bleeding in cirrhotic patients. However, association between MPV and variceal bleeding could not be demonstrated. Utilization of noninvasive tests as predictors in these patients necessitates further controlled trials on larger series.How to cite this article: Erdogan MA, Benli AR, Acmali SB, Koroglu M, Atayan Y, Danalioglu A, Kayhan B. Predictive Value of Mean Platelet Volume in Variceal Bleeding due to Cirrhotic Portal Hypertension. Euroasian J Hepato-Gastroenterol 2017;7(1):6-10. PMID- 29201765 TI - Association of Severity of Helicobacter pylori Infection with Peripheral Blood Neutrophil to Lymphocyte Ratio and Mean Platelet Volume. AB - Aim: To determine the correlation of Helicobacter pylori infection with peripheral blood neutrophil/lymphocyte ratio (NLR) and mean platelet volume (MPV). Materials and methods: The NLR, MPV, platelets, leukocytes, neutrophils, and lymphocytes were calculated and the differences between groups were investigated. Results: A total of 199 patients were included in the study. Neutrophil/lymphocyte ratio was statistically lower in H. pylori-positive patients than in H. pylori-negative patients (1.94 +/- 0.79 vs 2.67 +/- 2.35 respectively, p = 0.04). There was no significant difference between H. pylori negative patients and H. pylori-positive patients of severe intensity in terms of MPV. However, peripheral blood lymphocytes and platelets were statistically significantly higher in H. pylori-positive patients of severe intensity (lymphocytes 2150 +/- 826 vs 2954 +/- 2436 respectively, p = 0.000 and platelets 258247 +/- 69494 vs 265611 +/- 113397 respectively, p = 0.02) compared with H. pylori-negative patients. Conclusion: A moderate increase in the intensity of H. pylori does not lead to a significant change in MPV as measured by hemogram; however, it gives rise to a statistically significant fall in NLR. Presence of severe H. pylori-positive intensity leads to a statistically significant increase in peripheral blood lymphocytes and platelets compared with H. pylori-negative patients.How to cite this article: Guclu M, Agan AF. Association of Severity of Helicobacter pylori Infection with Peripheral Blood Neutrophil to Lymphocyte Ratio and Mean Platelet Volume. Euroasian J Hepato-Gastroenterol 2017;7(1):11-16. PMID- 29201766 TI - Are Synbiotics added to the Standard Therapy to eradicate Helicobacter pylori in Children Beneficial? A Randomized Controlled Study. AB - Aim: We aimed to evaluate the role of the addition of Bifidobacterium /actis containing synbiotic to the triple therapy in the case of He/icobacter py/ori eradication, the dyspeptic symptoms, and reducing the side effects of antibiotics. Materials and methods: A total of 104 children aged between 5 and 17 years, who were histopathologically diagnosed with H. py/ori were enrolled in this study, of whom 100 were included in the analysis. Patients were randomly classified into two groups. In the first group, 50 patients were administered amoxicillin + clarithromycin + lansoprazole for 14 days and B. /actis-containing synbiotic. In the second group, 50 patients were treated with the standard triple therapy. All patients were given information after completion of therapy. Results: H. py/ori eradication was achieved in 88% in group I who received standard therapy with additional synbiotic and 72% in group II (p = 0.046). The number of patients in the second group who suffered from abdominal pain between the 3rd and 14th day of the treatment was higher (p < 0.05). The addition of probiotics to the triple therapy significantly reduced the frequency of diarrhea, but no significant difference was detected in the frequency of metallic taste (p = 0.04, p = 0.418 respectively). Conclusion: The addition of synbiotic to the triple therapy is effective for eradicating H. py/ori infection in children and is usually helpful to reduce or eliminate dyspeptic symptoms like abdominal pain, diarrhea, and vomiting. This study suggest that improved tolerance to the eradication treatment also reduces the treatment failure by adding probiotics and encourages the future study using probiotic supplementation in H. py/ori treatment.How to cite this article: Sirvan BN, Usta MK, Kizilkan NU, Urganci N. Are Synbiotics added to the Standard Therapy to eradicate He/icobacter Py/ori in Children Beneficial? A Randomized Controlled Study. Euroasian J Hepato Gastroenterol 2017;7(1):17-22. PMID- 29201767 TI - Management of Liver Abscess in Children: Our Experience. AB - Introduction: Liver abscess is common in pediatric population in India. Children have unique set of predisposing factors and clinical features. Liver abscesses are infectious, space-occupying lesions in the liver; the two most common abscesses being pyogenic and amebic. Its severity depends on the source of the infection and the underlying condition of the patient. Materials and methods: A total of 34 patients less than 12 years were assessed in a retrospective study from January 2012 to 2016. Patients were assessed in terms of age of presentation, etiology, bacteriology, diagnosis, and modality of treatment. Results: The mean age of presentation was 6.3 years. Average volume of abscess was 164 cc. Nine patients (26.4%) underwent percutaneous needle aspiration under ultrasound guidance with wide bore needle (18 G disposable needle). Three patients required more than two sittings of aspiration. Patients with volume more than 80 cc were treated with catheter drainage. Twenty patients (58.8%) underwent ultrasound-guided percutaneous catheter drainage. Two patients required catheter drainage for large abscess and needle aspiration for the smaller abscess. Conclusion: Antimicrobial therapy along with percutaneous drainage constitutes the mainstay of treatment, whereas open surgical drainage should be reserved for selected cases.How to cite this article: Waghmare M, Shah H, Tiwari C, Khedkar K, Gandhi S. Management of Liver Abscess in Children: Our Experience. Euroasian J Hepato-Gastroenterol 2017;7(1):23-26. PMID- 29201768 TI - Prediction of Sustained Virological Response to Peginterferon-based Therapy for Chronic Hepatitis C: Regression Analysis of a Cohort from Rio Grande do Sul, Brazil. AB - Aim: Peginterferon plus ribavirin (peg-IFN/RBV) is still the standard of care for treatment of hepatitis C virus (HCV) in many countries. Given the high toxicity of this regimen, our study aimed to develop a prediction tool that can identify which patients are unlikely to benefit from peg-IFN/RBV and could thus postpone treatment in favor of new-generation direct-acting antivirals. Materials and methods: Binary regression was performed using demographic, clinical, and laboratory covariates and sustained virological response (SVR) outcomes from a prospective cohort of individuals referred for therapy from 2003 to 2008 in a public HCV treatment center in Rio Grande do Sul, Brazil. Results: Of the 743 participants analyzed, 489 completed 48 weeks of treatment (65.8%). A total of 202 of those who completed peg-IFN/RBV therapy achieved SVR (27.2% responders), 196 did not (26.4%), and 91 had missing viral load (VL) at week 72 (12.2% loss to follow-up). The remainder discontinued therapy (n = 254 [34.2%]), 78 (30.7%) doing so due to adverse effects. Baseline covariates included in the regression model were sex, age, human immunodeficiency virus, infection status, aspartate transaminase, alanine transaminase, hemoglobin, platelets, serum creatinine, prothrombin time, pretreatment VL, cirrhosis on liver biopsy, and treatment naivety. A predicted SVR of 17.9% had 90.0% sensitivity for detecting true nonresponders. The negative likelihood ratio at a predicted SVR of 17.9% was 0.16, and the negative predictive value was 92.6%. Conclusion: Easily obtainable variables can identify patients that will likely not benefit from peg-IFN-based therapy. This prediction model might be useful to clinicians. Clinical significance: To our knowledge, this is the only prediction tool that can reliably help clinicians to postpone peg-IFN/RBV therapy for HCV genotype 1 patients.How to cite this article: Picon RV, Fendt L, Amaral K, Picon PD. Prediction of Sustained Virological Response to Peginterferon-based Therapy for Chronic Hepatitis C: Regression Analysis of a Cohort from Rio Grande do Sul, Brazil. Euroasian J Hepato-Gastroenterol 2017;7(1):27-33. PMID- 29201770 TI - Elimination of Hepatitis Viruses: Bangladesh Scenario. AB - The World Health Organization (WHO) has adopted targets unanimously at the World Health Assembly in July 2016, in Geneva, to significantly curtail hepatitis B and C viruses to near extinction by 2030. Preparations are now ongoing in all WHO member nations across the globe to reach this ambitious, but perhaps achievable target. In Bangladesh, hepatologists, nongovernmental organizations, civil society, and patients have joined hands with the government in this global fight against viral hepatitis. How to cite this article: Mahtab MA. Elimination of Hepatitis Viruses: Bangladesh Scenario. Euroasian J Hepato-Gastroenterol 2017;7(1):40-42. PMID- 29201769 TI - Epidemiology, Diagnosis, and Risk Factors of Helicobacter pylori Infection in Children. AB - H. pylori infection is a global public health problem associated with some gastrointestinal diseases in children, especially in developing countries, since prevalence of H. pylori is low in the developed world. Both noninvasive (stool antigen test, urea breath test, and blood test) and invasive (histology, rapid urease test, and microbiological culture) tests have been utilized to detect H. pylori infection. However, a single test is not reliable enough and does not provide accurate enough data to determine H. pylori infection among children. Risk factors of H. pylori infection in children were related to ethnicities, household properties, geographic location, living conditions, water sources, type of housing, presence/absence of sewage systems, and garbage collection within the living environment. These risk factors were usually associated with the socioeconomic status of the family. This review article aims to determine the gaps in the knowledge of the epidemiology, risk factors, and diagnostic tests of H. pylori infection among children. How to cite this article: Ozbey G, Hanafiah A. Epidemiology, Diagnosis, and Risk Factors of Helicobacter pylori Infection in Children. Euroasian J Hepato-Gastroenterol 2017;7(1):34-39. PMID- 29201771 TI - Immunization against Viral Hepatitis B: Lessons Learnt from Kingdom of Cambodia. AB - An account of immunization against hepatitis B virus in Cambodia is given. How to cite this article: Sreng B, Vichit O, Vuthikol Y, Aun C, Samnang C. Immunization against Viral Hepatitis B: Lessons Learnt from Kingdom of Cambodia. Euroasian J Hepato-Gastroenterol 2017;7(1):43-47. PMID- 29201772 TI - Managing Encephalopathy in the Outpatient Setting. AB - In cirrhosis of liver, hepatic encephalopathy (HE) has an important impact on health-related quality of life. It is important to define whether HE is episodic, recurrent, or persistent; types A, B, or C; overt HE or covert HE; and spontaneous or precipitated. The overt HE is clinically evident and needs hospitalization. Nonabsorbable disaccharides, rifaximin, and probiotics are proven to be useful in the treatment of overt HE. Covert HE includes both minimal HE and grade I HE. It is not apparent on routine clinical examination. Presence of poor work productivity, increased accidental injuries on complex machinery and driving, etc., raise the suspicion of cognitive dysfunction. Specialized neurocognitive testing like psychometric HE, computerized tests like critical flicker frequency tests, inhibitory control tests, Stroop encephalopathy tests, and electroencephalography are needed to diagnose overt HE. Various studies have shown lactulose and rifaximin to be useful in overt HE. However, presence of persistent and recurrent HE in cirrhosis is an indication for liver transplant. Lactulose is effective both in improving reversal of minimal HE and in reducing the risk of development of overt HE. How to cite this article: Gupta T, Rathi S, Dhiman RK. Managing Encephalopathy in the Outpatient Setting. Euroasian J Hepato Gastroenterol 2017;7(1):48-54. PMID- 29201773 TI - Epidemiology of Hepatitis B and C in Republic of Indonesia. AB - Hepatitis B virus (HBV) and hepatitis C virus (HCV) infections pose serious problems in terms of public health and clinical intervention in a country with approximately 250 million people, who live in more than 17,000 islands. Efforts to combat HBV and HCV have been made through the implementation of universal infant hepatitis B immunization, blood screening, and other health promotion actions, and building epidemiological data to develop intervention strategies. A nationwide study in 2013 revealed hepatitis B surface antigen (HBsAg) prevalence of 7.1%, which indicates that Indonesia has moved from high to moderate endemicity of hepatitis B, leaving the prevalence of 9.4% in 2007. The occurrences of new hepatitis B cases still continue in early childhood period, which may root from low coverage of birth-dose hepatitis B immunization in remote islands, and the potential mother-to-child transmission of HBV from HBsAg positive pregnant mothers. Other problems still exist including the high HBV infection rates among young adults in remote islands, the presence of occult hepatitis B, as well as the substantial prevalence of HCV infection in general population, who do not have access to diagnosis and treatment. Effective preventive and control strategies are being developed tailored to the local capacity, infrastructures, socioeconomics, and culture, as well as geographical aspects of the country. How to cite this article: Muljono DH. Epidemiology of Hepatitis B and C in Republic of Indonesia. Euroasian J Hepato-Gastroenterol 2017;7(1):55-59. PMID- 29201774 TI - Hepatitis Action Plan and Changing Trend of Liver Disease in Japan: Viral Hepatitis and Nonalcoholic Fatty Liver Disease. AB - In Japan, the estimated number of chronic hepatitis B virus infections was 1.1 to 1.4 million, and that of chronic hepatitis C virus was 1.9 to 2.3 million in 2000. The mortality of hepatocellular carcinoma had been increasing and hit the peak at around 2002, which subsequently started to decrease. Japan has a national action plan for addressing viral hepatitis called Basic Act on Hepatitis Measures, established in 2009. In 2011, basic guidelines for promotion of control measures for hepatitis were issued, comprising nine principles in order to promote measures to prevent hepatitis B and C. According to these guidelines, national and local governments share screening costs for testing hepatitis B and C in residents who are over 40 years old. Thus, out-of-pocket expenses from examinees are nil or reduced to the minimum. In addition, for patients with chronic hepatitis B or C and on treatment, drug prices of nucleotide analogs, interferon (IFN) treatment, or IFN-free direct antiviral agents along with examination expenses should be covered by special programs for viral hepatitis. The national and local governments cover the amount in excess of 100 to 200 USD of the cost of treatment. The proportion of liver cancer with nonviral etiology has been increasing in Japan. For the screening and follow-up of patients with nonalcoholic fatty liver disease, we demonstrated that interleukin 34 is a feasible fibrosis marker. Several advantages have prevailed in the Japanese health care systems for patients with viral liver disease compared with those in countries in the Western Pacific region. Therefore, Japan should take a lead in helping the implementation of practical hepatitis action plans in every country when in need. How to cite this article: Kanto T, Yoshio S. Hepatitis Action Plan and Changing Trend of Liver Disease in Japan: Viral Hepatitis and Nonalcoholic Fatty Liver Disease. Euroasian J Hepato-Gastroenterol 2017;7(1):60-64. PMID- 29201775 TI - Chronic Viral Hepatitis in Malaysia: "Where are we now?" AB - Malaysia is a country where an estimated 1 million people are chronically infected with hepatitis B virus (HBV) and an estimated 2.5% of the adult population are positive for antibody to hepatitis C virus (HCV). Effective nationwide vaccine coverage seems to be a highly effective measure to prevent new HBV infection. Treatment of HCV infection is also a regular practice in Malaysia. These measures highlight the possibility to reach the World Health Organization elimination target by 2030. To achieve this target, the Health Ministry and other nongovernmental organizations, such as My Commitment to Cure (MyC2C) are working together to develop a strategic road map to reach the global elimination target in Malaysia by 2030. How to cite this article: Raihan R, Mohamed R, Hasan MRA, Rosaida MS. Chronic Viral Hepatitis in Malaysia: "Where are we now?" Euroasian J Hepato-Gastroenterol 2017;7(1):65-67. PMID- 29201777 TI - Current Treatment of Acute and Chronic Hepatitis E Virus Infection: Role of Antivirals. AB - Hepatitis E virus (HEV) infection results in nearly 20 million new infections, resulting in 70,000 deaths globally each year. Previously thought as a disease limited to developing nations with poor sanitation and hygiene, it is increasingly recognized that even the most developed nations are not spared. A clear dichotomy in epidemiology of HEV is noted between developing and industrialized nations. The HEV genotypes 1 and 2 are common in Asia and Africa and are transmitted mainly by contaminated drinking water. Sporadic as well as large-scale epidemics of acute hepatitis have been noted with HEV genotype 1 infection in developing countries of Asia and Africa. On the contrary, HEV genotypes 3 and 4 are common in industrialized nations and unlike genotypes 1 and 2, they are transmitted by consumption of raw meat products, fruits, and blood transfusion. Large epidemics have not been reported with HEV genotypes 3 and 4 and manifestation is usually indolent, though severe acute hepatitis has been reported. How to cite this article: Shrestha A, Gupta BP, Lama TK. Current Treatment of Acute and Chronic Hepatitis E Virus Infection: Role of Antivirals. Euroasian J Hepato-Gastroenterol 2017;7(1):73-77. PMID- 29201776 TI - Viral Hepatitis and Liver Diseases in Mongolia. AB - Mongolia is known for its high endemicity for viral hepatitis. Previous studies report that the seroprevalence of hepatitis B virus (HBV) is 11.8% (178/1,512) among the unvaccinated population in 13 provinces and Ulaanbaatar city. The serosurvey of adults (>20 years of age) conducted during 2013 among persons in four provinces and in Ulaanbaatar showed that the overall prevalence of hepatitis B surface antigen (HBsAg) positivity was 10.6%. The overall prevalence of anti hepatitis C virus (HCV) and HCV ribonucleic acid among 1,512 apparently healthy subjects was 15.6% (236/1,512) and 11.0% (167/1,512) respectively. In a previous study, we reported on the prevalence of HBV, HDV, and HCV infections in 110 consecutive patients presenting with acute hepatitis at eight city hospitals in Ulaanbaatar. In that study, 16.4, 32.7, 6.4, 1.8, and 27.3% of the patients were diagnosed as having acute hepatitis due to hepatitis A, B, C, HBV/HDV coinfection, and superinfection respectively. In the current study (2012-2014), results show that acute hepatitis A, B, C, and D was diagnosed in 47.9, 40.7, 5.3, and 9% respectively. Chronic HBV and HCV infections, which are associated with cancer and cirrhosis respectively, are responsible for 95% of liver cancers in Mongolia. The most common etiology for hepatocellular carcinoma was HCV infection (n = 89, 45.6%), followed by HBV infection (n = 67, 34.4%). How to cite this article: Baatarkhuu O, Uugantsetseg G, Munkh-Orshikh D, Naranzul N, Badamjav S, Tserendagva D, Amarsanaa J, Young KD. Viral Hepatitis and Liver Diseases in Mongolia. Euroasian J Hepato-Gastroenterol 2017;7(1):68-72. PMID- 29201778 TI - Liver Disease in Sri Lanka. AB - Liver disease in Sri Lanka is mainly due to alcoholic liver disease and nonalcoholic fatty liver disease. In contrast to other South Asian countries, the prevalence of hepatitis B and C is low in Sri Lanka and prevalence of hepatitis A is intermediate. The few reported cases of hepatitis E in Sri Lanka are mainly in people who have traveled to neighboring South Asian countries. Wilson's disease, autoimmune hepatitis, hemochromatosis, drug-induced liver disease, and primary biliary cirrhosis are recognized causes of liver disease in Sri Lanka. Pyogenic and amebic liver abscesses and dengue infection are the other causes of liver disease. Some of the commonly used plants as traditional herbal medicine in Sri Lanka have been shown to have deleterious effects on the liver in animal studies. Considering the high popularity of traditional herbal medicine in the country, it is likely that herbal medicine is an etiological factor for liver disease in Sri Lanka, but no published data are available. Address reprint requests to: Wijewantha HS. Liver Disease in Sri Lanka. Euroasian J Hepato-Gastroenterol 2017;7(1):78-81. PMID- 29201779 TI - HBV Treatment in Turkey: The Value of Hepatitis B Surface Antigen Quantification of Chronic Hepatitis B Patients in the Long-term Follow-up-A Single-center Study. AB - Hepatitis B surface antigen (HBsAg) seems to have significant clinical implications to assess the prognosis of chronic hepatitis B (CHB). We assessed HBsAg levels serially in patients with CHB in a single center in Turkey. How to cite this article: Ozkan H. HBV Treatment in Turkey: The Value of Hepatitis B Surface Antigen Quantification of Chronic Hepatitis B Patients in the Long-term Follow-up-A Single-center Study. Euroasian J Hepato-Gastroenterol 2017;7(1):82 83. PMID- 29201780 TI - Successful Conservative Management of Spontaneous Antegrade Migration of Feeding Jejunostomy. AB - Successful conservative management of spontaneous antegrade migration of feeding jejunostomy of a patient with dysphagia due to carcinoma of nasopharynx is reported. How to cite this article: Krishnamurthy G, Pandit N, Singh H, Singh R. Successful Conservative Management of Spontaneous Antegrade Migration of Feeding Jejunostomy. Euroasian J Hepato-Gastroenterol 2017;7(1):84-86. PMID- 29201781 TI - Scrotal Cystocele in a Sliding Left Inguinoscrotal Hernia: A Case Report and Review of Literature. AB - Inguinoscrotal bladder herniation has a reported incidence of 1 to 4%. Although small bladder herniations are noted at the time of inguinal hernia repair, large bladder herniation into the scrotum is rare. These patients have a unique presentation of signs and symptoms. We report a case of a male patient of age 64 years who had a large inguinoscrotal hernia with bladder. He successfully underwent hernioplasty after repositioning of the bladder. Now, he is symptom free and on follow-up. How to cite this article: Mohan A, Srinivasan K. Scrotal Cystocele in a Sliding Left Inguinoscrotal Hernia: A Case Report and Review of Literature. Euroasian J Hepato-Gastroenterol 2017;7(1):87-88. PMID- 29201782 TI - Sclerosing Angiomatoid Nodular Transformation of the Spleen: An uncommon Cause of Abdominal Pain. AB - Sclerosing angiomatoid nodular transformation (SANT) is a rare and benign lesion arising from the red pulp of the spleen, with an unknown etiopathogenesis. These tumors are usually asymptomatic or cause nonspecific abdominal pain. Most SANTs are found incidentally on radiographic examination, or during surgery for an unrelated condition. Therefore, high clinical suspicion is of great importance for the diagnosis. Splenectomy provides complete cure, and no recurrence and/or malignant transformation was reported to date. In this study, a rare case of SANT was reported in a young adult male, and was discussed with the relevant literature. How to cite this article: Atas H, Bulus H, Akkurt G. Sclerosing Angiomatoid Nodular Transformation of the Spleen: An uncommon Cause of Abdominal Pain. Euroasian J Hepato-Gastroenterol 2017;7(1):89-91. PMID- 29201783 TI - Persistent Elevation of CA 19-9 Levels in the Long-term Follow-up before Laryngeal Cancer. AB - Introduction: CA 19-9 is used as a tumor marker in colon, pancreas, biliary, and gastric cancers. Laryngeal cancer is the most common malignant epithelial tumor among head and neck cancers and has no specific tumor marker. Case report: A 66 year-old male patient had severe reflux symptoms during 5 years and had an isolated CA 19-9 elevation. Follow-up analysis revealed that he had larynx cancer and after laryngectomy, CA 19-9 levels decreased to normal range. Discussion: Currently, CA 19-9 is not a marker for malignancy. Laryngeal carcinoma has no specific tumor marker, but laryngeal squamous cell carcinoma may be manifested by elevated CA 19-9 levels.How to cite this article: Ozkan H, Karakaya F, Karaeren Z, Percinel S. Persistent Elevation of CA 19-9 Levels in the Long-term Follow-up before Laryngeal Cancer. Euroasian J Hepato-Gastroenterol 2017;7(1):92-94. PMID- 29201784 TI - Simultaneous Immunoglobulin G4-associated Autoimmune Hepatitis and Autoimmune Pancreatitis. AB - How to cite this article: Yilmaz B, Kiziltas S, Yildiz S, Gumus B, Cevik H. Simultaneous Immunoglobulin G4-associated Autoimmune Hepatitis and Autoimmune Pancreatitis. Euroasian J Hepato-Gastroenterol 2017;7(1):95-96. PMID- 29201785 TI - Synchronous Colon Carcinoma and Tuberculosis: Coincidence or Linked. AB - How to cite this article: Dayal S. Synchronous Colon Carcinoma and Tuberculosis: Coincidence or Linked. Euroasian J Hepato-Gastroenterol 2017;7(1):97-98. PMID- 29201786 TI - Long Segment Intestinal Invagination in an Adult Case. AB - How to cite this article: Karadeli E, Parlakgumus A, Tok S, Erbay G. Long Segment Intestinal Invagination in an Adult Case. Euroasian J Hepato-Gastroenterol 2017;7(1):99-100. PMID- 29201787 TI - Probiotic Therapy in Patients with Nonalcoholic Steatohepatitis in Zagazig University Hospitals. AB - Aim: Nonalcoholic fatty liver disease (NAFLD) is probably the most common liver disorder in the world. A subgroup of NAFLD patients is characterized by injury to the hepatocytes and inflammation in addition to excessive fat (steatohepatitis), the latter condition is nominated nonalcoholic steatohepatitis (NASH). This work aimed to evaluate the role of probiotics on the outcome of NASH in patients admitted to the Tropical Medicine Department, Faculty of Medicine, Zagazig University (inpatients and outpatients). Materials and methods: This study was performed on 30 patients (17 males and 13 females), with body mass index from 30 to 35 and average age of 44 years with bright fatty liver in ultrasonography and raised alanine transaminase (ALT) and aspartate transaminase (AST) and positive liver biopsy findings. The patients were divided into group I (case group) that included 15 patients who received probiotics and group II of 15 patients as control group who did not receive probiotics; the study was conducted between November 2014 and April 2016. Clinical assessment, laboratory evaluation, pelvic abdominal ultrasound, and liver biopsy of all cases were carried out. Results: In this study, there was significant decrease in liver enzymes (ALT and AST) and no statistically significant other laboratory findings. Also there was relief for dyspepsia in some patients. Conclusion: Probiotics treatment is effective, safe, well-tolerated, inexpensive, appropriate for long-term use, and optimally, works at multiple levels to downregulate inflammatory mediators, and therefore, probiotics could be an option in the treatment of NASH.How to cite this article: Monem SMA. Probiotic Therapy in Patients with Nonalcoholic Steatohepatitis in Zagazig University Hospitals. Euroasian J Hepato-Gastroenterol 2017;7(1):101-106. PMID- 29201788 TI - Prevalence of Hepatitis B Virus and Hepatitis C Virus in a Tea Garden of Bangladesh. AB - Introduction: The overall health status of workers of tea garden of Bangladesh is below the national standard. Also, almost nothing has been reported about status of hepatitis virus infection among these population and there is also a lack of consensus. Materials and methods: Several health-related facts, especially those of liver diseases, were collected from 130 workers of tea garden via questionnaire. Sera were also collected from these subjects to assess positivity of hepatitis B surface antigen (HBsAg) and antibody to hepatitis C virus (anti HCV). Hepatitis B virus (HBV) genotype was also done using genotype-specific primers in HBsAg-positive sera. Results: Out of 130 tea garden workers, 5 were positive for HBsAg; however, none was reactive to anti-HCV. Genotyping of HBV deoxyribonucleic acid of 4 sera samples revealed that 2 belonged to genotype A, 1 to genotype C, and 1 to genotype D. Various risk factors were documented in HBV infected subjects by analyzing the questionnaire. Conclusion: Hepatitis B virus in considerable high percentage is prevalent among workers of tea garden in Bangladesh, and immediate vaccination against HBV should be employed. Also, health education system should be accentuated in specific population like tea garden workers.How to cite this article: Al Mahtab M, Akhter S, Mollick KU, Uddin MH, Khan SI, Akbar SMF. Prevalence of Hepatitis B Virus and Hepatitis C Virus in a Tea Garden of Bangladesh. Euroasian J Hepato-Gastroenterol 2017;7(1):107-110. PMID- 29201789 TI - Relationship between Hepatitis B Viral Deoxyribonucleic Acid Load and Hepatocellular Carcinoma. AB - Introduction: Hepatitis B virus (HBV) infection is an established cause of hepatocellular carcinoma (HCC) and is associated with poor prognosis. High HBV deoxyribonucleic acid (DNA) load has been identified in HCC and hepatitis B surface antigen-positive patients. Materials and methods: This study was done in the Department of Hepatology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh, from January 2006 to December 2007. Thirty patients with HBV infection-related HCC were enrolled. Another 30 patients with HBV-related liver diseases without HCC were analyzed as controls. Results: The HCC patients had a high viral load (>105 copies/mL), while all of the controls had low (<105 copies/mL) viral load. Conclusion: It seems that patients with HCC bear high HBV DNA loads in Bangladesh, but the causes underlying this remain to be resolved.How to cite this article: Hussain MM, Al Mahtab M, Islam S, Ahmed N, Rahman S, Khan M. Relationship between Hepatitis B Viral Deoxyribonucleic Acid Load and Hepatocellular Carcinoma. Euroasian J Hepato-Gastroenterol 2017;7(1):111-112. PMID- 29201790 TI - Therapy Targeting Stem Cell in Patients with Decompensated Cirrhosis of Liver in a Tertiary Treatment Care Center of Bangladesh. AB - Introduction: Decompensated cirrhosis is associated with significantly high mortality resulting from hepatic failure, and liver transplantation seems to be the only viable indication for its management. The objective of this study is to assess if granulocyte colony-stimulating factor (G-CSF), a stimulatory of stem cell in vivo, may be of any benefit for patients with decompensated cirrhosis of liver. Materials and methods: Seventeen consecutive patients with decompensated cirrhosis of liver were recruited in this prospective study. They received injection of G-CSF (30 IU) over a period of 6 weeks (12 injections) in addition to standard of care. Results: Patients were followed up at the end of treatment and at 12 weeks of treatment. Treatment was well tolerated, and no significant adverse event was recorded in any patient. Fifteen out of 17 (88%) patients were alive at last follow-up. Although serum bilirubin, albumin, and prothrombin time improved in some patients, statistically significant improvement of Child-Pugh score could not be documented. Conclusion: The study establishes the safety of G CSF therapy in patients with decompensated cirrhosis of liver. Besides, such therapy may also have survival benefit, although long-term follow-up is needed to assess its real utility in clinical perspectives.How to cite this article: Al Mahtab M, Alam SMN, Moben AL, Raihan R, Alam MA, Rahim MA, Uddin MH, Akbar SMF. Therapy Targeting Stem Cell in Patients with Decompensated Cirrhosis of Liver in a Tertiary Treatment Care Center of Bangladesh. Euroasian J Hepato-Gastroenterol 2017;7(1):113-115. PMID- 29201791 TI - Psychological Results of 438 Patients with persisting Gastroesophageal Reflux Disease Symptoms by Symptom Checklist 90-Revised Questionnaire. AB - Aims and objectives: Gastroesophageal reflux disease (GERD) affects mental state and social activities. On the contrary, mental disorders may also play a crucial role in GERD symptoms. The purpose of the study was to analyze the data of Symptom Checklist 90-Revised (SCL-90-R) questionnaire from patients with persisting GERD and to explore the impact of psychological factors on them. Materials and methods: The patients accepted SCL-90-R questionnaire survey, following endoscopy, high-resolution manometry (HRM), and ambulatory impedance-pH monitoring. Based on these results, we divided patients into different groups. The result of SCL-90-R was also compared with degree of acid reflux, symptoms, symptom duration, and gender. Results: The data from 438 patients were analyzed. All patients were divided into reflux esophagitis (RE; 63, 14.38%); nonerosive gastroesophageal reflux disease (NERD; 106, 24.20%); functional heartburn (FH; 123, 28.08%), hypersensitive esophagus (HE; 67, 15.29%), diffuse esophageal spasm (DES; 5: 1.14%), hypertensive (10, 3.42%); weak peristalsis (14, 3.20%); achalasia (50, 11.42%). There were significant differences between different groups regarding depression (DEP), anxiety (ANX), paranoid ideation (PAR), and psychoticism (PSY). The patients with >=2 years with GERD presented with increased scores in DEP, ANX, and PSY. Women had dramatically higher scores than men in each domain (p < 0.05). Conclusion: Data have shown that GERD patients exhibit differential levels of psychological symptoms. Long duration of GERD was related to typical plus atypical symptoms and females seem to be more prone to develop psychological disorders.How to cite this article: Chen X, Li P, Wang F, Ji G, Miao L, You S. Psychological Results of 438 Patients with persisting Gastroesophageal Reflux Disease Symptoms by Symptom Checklist 90-Revised Questionnaire. Euroasian J Hepato-Gastroenterol 2017;7(2):117-121. PMID- 29201792 TI - Does Chicago Classification address Symptom Correlation with High-resolution Esophageal Manometry? AB - Aim: To assess the correlation of symptoms with findings on esophageal high resolution manometry (HRM) in Indian patients. Materials and methods: Prospective data collection of all patients undergoing esophageal manometry was done at two centers in India-Indore and Chennai-over a period of 18 months. Symptom profile of the study group was divided into four: Motor dysphagia, noncardiac chest pain (NCCP), gastroesophageal reflux (GER), and esophageal belchers. The symptoms were correlated with manometric findings. Results: Of the study group (154), 35.71% patients had a normal study, while major and minor peristaltic disorders were noted in 31.16 and 33.76% respectively. In patients with symptoms of dysphagia, achalasia cardia was the commonest cause (45.1%), followed by ineffective esophageal motility (IEM) (22.53%) and normal study (19.71%). In patients with NCCP, normal peristalsis (50%) and ineffective motility (31.25%) formed the major diagnosis. Of the 56 patients with GER symptoms, 26 (46.4%) had normal manometry. An equal number had ineffective motility. Of the 11 esophageal belchers, 7 (63.6%) of these had a normal study and 3 had major motility disorder. Dysphagia was the only symptom to have a high likelihood ratio and positive predictive value to pick up major motility disorder. Conclusion: Dysphagia correlates with high chance to pick up a major peristaltic abnormality in motor dysphagia. The role of manometry in other symptoms in Indian setting needs to be ascertained by larger studies. Clinical significance: The present study highlights lack of symptom correlation with manometry findings in Indian patients.How to cite this article: Jain M, Srinivas M, Bawane P, Venkataraman J. Does Chicago Classification address Symptom Correlation with High-resolution Esophageal Manometry? Euroasian J Hepato-Gastroenterol 2017;7(2):122-125. PMID- 29201793 TI - Intrahepatic Cholestasis of Pregnancy: Spontaneous vs in vitro Fertilization. AB - Aim: Intrahepatic cholestasis of pregnancy (ICP) is the most common liver disease in pregnancy. Although it was shown that multiple pregnancy and hormone therapies increase the risk of ICP, there is limited information that compared spontaneous fertilization and in vitro fertilization (IVF) from the aspect of developing ICP. In our study, we investigated the potential relationship between ICP and IVF/ spontaneous pregnancy. Materials and methods: We reviewed the records (between June 2007 and December 2014) of pregnancies with ICP who were referred to gastroenterology clinics in three different hospitals. Fifty-nine pregnancies (43 spontaneous fertilization, 16 IVF) with ICP were analyzed from the aspect of age, fertilization type, multiple/singleton pregnancy, delivery week, and biochemical results. Results: We found that serum bile acid levels were higher in the IVF group than the spontaneous fertilization group (32.8 +/- 20 vs 19.6 +/- 19 MUmol/L; p < 0.05). There was a significant inverse correlation between serum bile acid levels and gestational age (r = -0.42, p < 0.01) in the whole group. There was no difference between IVF and spontaneous fertilization groups in term of age, onset time of symptoms, serum alanine aminotransferase (ALT), alkaline phosphatase (ALP), total and direct bilirubin levels, prothrombin time (PT), international normalized ratio (INR), and platelet count. Conclusion: Our results suggest that the serum bile acid levels are higher in IVF than in spontaneous pregnancies with ICP, but its clinical implications are not clear. Further prospective studies with large number of ICP cases are needed to clarify the effect of IVF on ICP.How to cite this article: Bolukbas FF, Bolukbas C, Balaban HY, Aygun C, Ignak S, Ergul E, Yazicioglu M, Ersahin SS. Intrahepatic Cholestasis of Pregnancy: Spontaneous vs in vitro Fertilization. Euroasian J Hepato Gastroenterol 2017;7(2):126-129. PMID- 29201794 TI - Role of Probiotics in the Treatment of Nonalcoholic Fatty Liver Disease: A Meta analysis. AB - Aim: Despite extensive ongoing research, there is scarcity of widely accepted therapeutic options for the treatment of nonalcoholic fatty liver disease (NAFLD). Probiotics are a promising treatment option for treating NAFLD; however, their effectiveness needs to be established. Since any single randomized controlled trial (RCT) cannot establish the role of probiotics in the treatment of NAFLD, this study aims at meta-analysis of different RCTs. Materials and methods: Extensive search was done by two independent observers for RCTs studying the role of probiotics in the treatment of NAFLD. The parameters under consideration were body mass index (BMI), aspartate aminotransferase (AST), alanine aminotransferase (ALT), homeostatic model assessment of insulin resistance (HOMA-IR), serum triglycerides (TGs), and ultrasonographic grades of fatty liver. Jadad scale was used to select the articles for meta-analysis. Heterogeneity in the results was evaluated using chi-square test and I2. Significant heterogeneity in the results was decided based on p-value < 0.05 and the corresponding I2 close to 0%. Results: Seven studies qualified for meta analysis. Use of probiotics significantly caused reduction in BMI (p < 0.0001), ALT (p < 0.0001), AST (< 0.0001), HOMA-IR (p = 0.006), and ultrasonographic grade of fatty liver (p = 0.0051). Heterogeneity in other parameters was contributed mainly by couple of previous studies. Conclusion: Meta-analysis shows that variety of parameters has significant improvement after probiotic treatment in different RCTs. However, the magnitude of improvement is not uniform across studies due to varying strains, dose patterns, and treatment duration. In future, probiotics remain a promising option for treating NAFLD.How to cite this article: Lavekar AS, Raje DV, Manohar T, Lavekar AA. Role of Probiotics in the Treatment of Nonalcoholic Fatty Liver Disease: A Meta-analysis. Euroasian J Hepato Gastroenterol 2017;7(2):130-137. PMID- 29201795 TI - Pneumatic Balloon Dilatation for Achalasia Cardia: Outcome, Complications, Success, and Long-term Follow-up. AB - Background: Achalasia is a chronic disease that can be managed with effective endoscopic modalities. Aim: To evaluate the effectiveness of single setting of pneumatic balloon dilatation for achalasia and assess the long-term success and outcomes. Materials and methods: This is a retrospective study of all achalasia patients who underwent pneumatic balloon dilatation at our institute. Patients who could be contacted were inquired regarding their symptoms and dysphagia-free interval after dilatation. Results: A total of 72 patients were enrolled. Out of this, 14 patients lost to follow-up. Mean age of 58 patients was 45.02 +/- 16.51 years. Male:female ratio was 13:16. Mean predilatation Eckardt score was 7.16 +/- 0.834. Type I achalasia was present in 10 (17.2%), type II in 44 (75.9%), type III in 4 (6.9%). Predilatation basal integrated relaxation pressure (IRP) was 28.14 +/- 14.76 mm Hg. Postdilatation Eckardt score was 2.40 +/- 1.67. Postdilatation dysphagia-free interval was 17.28 +/- 6.70 months. A total of 9 patients (15.51%) failed to respond to first dilatation and 49 (84.48%) patients benefited from single setting of pneumatic dilatation. Esophageal perforation occurred in 2/58 (3.44%). We did not find any significant difference in gender distribution, age of presentation, duration of symptom, pre- and postdilatation Eckardt score, type of achalasia, and basal IRP on manometry between type of achalasia. Postdilatation dysphagia-free interval in type II achalasia (18.09 +/- 5.976 months) was more than types I and III achalasia cardia (p = 0.066), which showed trend toward significance. Conclusion: Pneumatic balloon dilatation of achalasia cardia is a highly effective endoscopic procedure with minimal complications and mortality. Even the single setting of dilatation can have long lasting dysphagia-free interval.How to cite this article: Gupta SJ, Gaikwad NR, Samarth AR, Gattewar SR. Pneumatic Balloon Dilatation for Achalasia Cardia: Outcome, Complications, Success, and Long-term Follow-up. Euroasian J Hepato Gastroenterol 2017;7(2):138-141. PMID- 29201796 TI - Hepatic Venous Pressure Gradient Measurement in Bangladeshi Cirrhotic Patients: A Correlation with Child's Status, Variceal Size, and Bleeding. AB - Background: Hepatic venous pressure gradient (HVPG) reflects the portal pressure in patients with cirrhotic portal hypertension. The aim of the study was to assess the relation of HVPG to variceal size, Child-Pugh status, and variceal bleeding. Materials and methods: A total of 96 patients with cirrhosis of liver were enrolled prospectively and each patient's HVPG level was measured via the transfemoral route. Clinical and biochemical evaluation and upper gastrointestinal (GI) endoscopy were done in each subject. Severity of cirrhosis was assessed by Child's status. Results: The mean HVPG was higher in patients with Child's B and C (14.10 +/- 7.56 and 13.64 +/- 7.17 mm Hg respectively) compared with those of Child's A (10.15 +/- 5.63 mm Hg). The levels of HVPG differed significantly between Child's classes A and B (p = 0.011) and Child's A and C (p = 0.041). The mean HVPG was also higher in bleeders compared with nonbleeders with large varices (17.7 +/- 5.5 vs 14.9 +/- 4.7 mmHg respectively; p = 0.006). Conclusion: Hepatic venous pressure gradient seems to be important to assess the severity of liver cirrhosis.How to cite this article: Al Mahtab M, Noor E Alam SM, Rahim MA, Alam MA, Khondaker FA, Moben AL, Mohsena M, Akbar SMF. Hepatic Venous Pressure Gradient Measurement in Bangladeshi Cirrhotic Patients: A Correlation with Child's Status, Variceal Size, and Bleeding. Euroasian J Hepato Gastroenterol 2017;7(2):142-145. PMID- 29201797 TI - Effectiveness of Sedoanalgesia in Percutaneous Liver Biopsy Premedication. AB - Aim: Percutaneous needle liver biopsy (PLB) is frequently associated with pain and anxiety. This may discourage the patients for biopsy, and rebiopsies, if needed. We planned a study to investigate the efficacy of additional analgesia or sedation for PLB. Materials and methods: The study has been designed as a single center, prospective study. The PLB was planned for 18- to 65-year-old consecutive patients who were included in the study. The patients were divided into three premedication groups as control, Meperidine, and Midazolam. Hospital Anxiety and Depression Scale (HADS) was used to measure each subject's anxiety level. Fifteen minutes before the biopsy, 1 mL 0.9% NaCl subcutaneously (sc), 1 mg/kg (max 100 mg) Meperidine sc, or 0.1 mg/kg (max 5 mg) Midazolam intravenously was administered to patients respectively. Then PLB was done with 16 G Menghini needle. The day after, the patients were asked about feelings regarding biopsy. Results: Groups were similar by gender and age. The HADS scores prior to PLB and on visual analog scale (VAS, 1-10 points) score during PLB were similar. In the three groups, 7, 12, and 7 patients, respectively, experienced no pain. Other patients explained pain as mild or moderate or severe. The number of patients who agreed for possible rebiopsy was higher in Meperidine and Midazolam groups than in the control group. Conclusion: Premedication with Meperidine or Midazolam in PLB would improve patients' tolerance, comfort, and attitude against a possible repeat PLB.How to cite this article: Sezgin O, Yaras S, Ates F, Altintas E, Saritas B. Effectiveness of Sedoanalgesia in Percutaneous Liver Biopsy Premedication. Euroasian J Hepato-Gastroenterol 2017;7(2):146-149. PMID- 29201798 TI - Adrenal Insufficiency in Cirrhosis Patients: Evaluation of 108 Case Series. AB - Aim: Adrenal insufficiency (AI) in cirrhosis is an issue that has recently gained momentum. It can be seen in both stable and critically ill (sepsis, septic shock, and gastrointestinal system bleeding) cirrhotic patients. Its prevalence exists in a wide range since standardization of diagnostic methods is lacking. We aimed to scrutinize this issue in a 108 case series. Materials and methods: We studied the presence of AI and its stage in patients with cirrhosis and its complications by using cross-sectional study. Standard-dose short synacthen test (SD-SST) was performed in 108 patients that had Child C decompensated cirrhosis without critical illness and it was aimed to determine the prevalence of AI based on basal cortisol, peak cortisol, and delta cortisol (basal total cortisol minus peak cortisol after stimulation) levels. Results: The prevalence of AI in cirrhosis was found to be 25% based on basal cortisol level of <140 nmol/L, 22.2% based on delta cortisol level of <250 nmol/L, and 29.6% based on peak cortisol level of <500 nmol/L. Conclusion: Prevalence of AI shows variation in decompensated cirrhosis without critical illness depending on different measures used. More definite results can be obtained when more standardized criteria are widely put into use.How to cite this article: Rakici H. Adrenal Insufficiency in Cirrhosis Patients: Evaluation of 108 Case Series. Euroasian J Hepato Gastroenterol 2017;7(2):150-153. PMID- 29201799 TI - Hemochromatosis Gene Polymorphism as a Predictor of Sustained Virological Response to Antiviral Treatment in Egyptian Chronic Hepatitis C Patients. AB - Aim: The aim of this article is to assess HFE C282Y gene mutations as a predictor of sustained virological response (SVR) to anti-hepatitis C virus (HCV) treatment in Egyptian patients. Materials and methods: One hundred and forty chronic hepatitis C (CHC) patients were divided into two groups: 70 patients achieved SVR and 70 patients were nonresponders (NRs). All patients were subjected to quantitative polymerase chain reaction (PCR) at baseline, 12 and 24 weeks after therapy commencement. Deoxyribonucleic acid (DNA) sequencing for HFE (C282Y) was done by restriction fragment length polymorphism PCR. Results: Sixty five patients did not have mutation and 5 patients had C282Y mutation (GA) with SVR. While 45 NRs had heterozygous C282Y mutation (GA), 4 patients (5.7%) had homozygous mutation (AA) and 21 patients (30%) had no mutation (GG). The parameters of elevated iron [transferrin saturation (TS; p < 0.001), S iron (p < 0.02), total iron binding capacity (TIBC; p < 0.001), transferrin (p < 0.016), and soluble transferrin receptor (sTfR; p-value, 0.001)] were significantly associated with C282Y mutation. However, there was no significant difference regarding ferritin values and C282Y mutation in NR patients. Conclusion: Iron overload was frequently detected in CHC patients and associated with C282Y mutation, while biochemical markers of iron overload and C282Y HFE mutation were negative prognostic factor.How to cite this article: Mehrez MI, Fattah DSA, Azeem NAA, Saleh MA, Mostafa KM. Hemochromatosis Gene Polymorphism as a Predictor of Sustained Virological Response to Antiviral Treatment in Egyptian Chronic Hepatitis C Patients. Euroasian J Hepato-Gastroenterol 2017;7(2):154-157. PMID- 29201800 TI - Effect of Different Sedation Regimes on Cognitive Functions in Colonoscopy. AB - Aim: To compare the effects of propofol/remifentanil and meperidine/midazolam on postprocedure cognitive function. Materials and methods: A total of 100 American Society of Anesthesiologists (ASA) score I to III patients undergoing elective colonoscopy were taken into the study and divided into two groups. Exclusion criteria were patient refusal, mini mental test (MMT) <26, The Amsterdam Preoperative Anxiety and Information Scale (APAIS) >10, advanced cardiopulmonary or psychiatric disease, chronic alcohol abuse, morbid obesity, and known allergy to study drugs. In group MM, 2 mg midazolam and 20 mg meperidine was given intravenously and additional 1 to 2 mg midazolam and 20 mg meperidine (with a maximum total of 5 mg midazolam and 50 mg meperidine) was given when bispectral index (BIS) was >80. In group RP, 100 MUg/kg/minute propofol infusion and 1 MUg/kg remifentanil bolus was administered and additional 0.5 MUg/kg remifentanil bolus was given when BIS was >80. Observer's Assessment of Alertness/Sedation scale (OAA/S) and Facial Pain Score (FPS) values were recorded. Cognitive function was measured by Trieger Dot Test (TDT) and Digit Symbol Substitution Test (DSST). Results: The study was concluded with 100 patients. Heart rate was slower and BIS values were lower in group RP throughout the procedure. Blood pressure was lower in group RP without clinical significance. There was no difference concerning recovery time and visual analog scores (VASs). In group MM, TDT scores were higher and DSST scores were lower. Satisfaction was higher in group RP. Conclusion: Propofol/remifentanil combination is better than meperidine/midazolam combination concerning cognitive function in sedation for colonoscopy. Clinical significance: The addition of BIS monitorization to evaluate the depth of sedation and the negative effects of midazolam meperidine combination on postprocedural cognitive function.How to cite this article: Ekmekci P, Erkan G, Yilmaz H, Kazbek BK, Koksoy UC, Doganay G, Tuzuner F. Effect of Different Sedation Regimes on Cognitive Functions in Colonoscopy. Euroasian J Hepato-Gastroenterol 2017;7(2):158-162. PMID- 29201801 TI - Viral Hepatitis in South Korea. AB - In South Korea (S. Korea), viral hepatitis is a major public health burden. Advances in healthcare policy, evidence-based medicine, and therapeutic strategies in S. Korea have brought a rapid change in the sociodemographic and clinical characteristics of viral hepatitis. This review discusses the innovative approaches that S. Korea has taken to curb the epidemic of viral hepatitis. In addition, the efficacy of various preventive and therapeutic modalities is discussed. This review aims to provide a brief overview to guide future research direction and healthcare policy changes. How to cite this article: Pak SC, Alastal Y, Khan Z, Darr U. Viral Hepatitis in South Korea. Euroasian J Hepato Gastroenterol 2017;7(2):163-165. PMID- 29201803 TI - Massive Lower Gastrointestinal Bleed caused by Typhoid Ulcer: Conservative Management. AB - Typhoid fever is caused by gram-negative organism Salmonella typhi. The usual presentation is high-grade fever, but complications like gastrointestinal (GI) hemorrhage and perforation are also seen frequently. With the advent of antibiotics, these complications are rarely seen now. We present a case of a young female who was admitted with a diagnosis of typhoid fever presented with a massive GI bleed from ulcers in the terminal ileum and was managed conservatively without endotherapy and surgery. How to cite this article: Goel A, Bansal R. Massive Lower Gastrointestinal Bleed caused by Typhoid Ulcer: Conservative Management. Euroasian J Hepato-Gastroenterol 2017;7(2):176-177. PMID- 29201802 TI - Hepatic Metastasis from Colorectal Cancer. AB - The liver is the most common site of metastasis in patients with colorectal cancer due to its anatomical situation regarding its portal circulation. About 14 to 18% of patients with colorectal cancer present metastasis at the first medical consultation, and 10 to 25% at the time of the resection of the primary colorectal cancer. The incidence is higher (35%) when a computed tomography (CT) scan is used. In the last decades, a significant increase in the life expectancy of patients with colorectal cancer has been achieved with different diagnostic and treatment programs. Despite these improvements, the presence of metastasis, disease recurrence, and advanced local tumors continue to remain poor prognostic factors. Median survival without treatment is <8 months from the moment of its presentation, and a survival rate at 5 years of 11% is the best prognosis for those who present with local metastasis. Even in patients with limited metastatic disease, 5-year survival is exceptional. Patients with hepatic metastasis of colorectal cancer have a median survival of 5 to 20 months with no treatment. Approximately 20 to 30% of patients with colorectal metastasis have disease confined to the liver, and this can be managed with surgery. Modern surgical strategies at the main hepatobiliary centers have proved that hepatectomy of 70% of the liver can be performed, with a mortality rate of <5%. It is very important to have knowledge of predisposing factors, diagnostic methods, and treatment of hepatic metastasis. However, the establishment of newer, efficient, preventive screening programs for early diagnosis and adequate treatment is vital. How to cite this article: Valderrama-Trevino AI, Barrera-Mera B, Ceballos-Villalva JC, Montalvo-Jave EE. Hepatic Metastasis from Colorectal Cancer. Euroasian J Hepato Gastroenterol 2017;7(2):166-175. PMID- 29201804 TI - Aneurysm of Portosystemic Fistula: A Case Report and Review of Literature. AB - Aim: A case of asymptomatic aneurysm of spontaneous portosystemic venous fistula (SPVF) with the radiologic findings is described. Background: Although advances and more widespread use of ultrasound (US) and computed tomog -raphy angiography (CTA) have enabled more detection of SPVF in the liver, it is a rare entity. Case report: A 49-year-old male was referred to our hospital's nephrology outpatient clinic due to hypertension. Abdominal sonography examination detected a well defined cystic lesion adjacent to the middle hepatic vein in the liver. The lesion showed venous flow in the color Doppler US examination. Computed tomography angiography examination revealed an aneurysm of the fistula. Conclusion: Radiologists should be aware of this vascular anomaly and cyst-like lesions in the liver should be examined with color Doppler ultrasonography for possible vascularization, and be differentiated with CTA if necessary. Clinical significance: This condition is usually encountered incidentally and patients usually have no symptoms. However, severe complications, such as hepatopulmonary syndrome, liver tumors, encephalopathy, and heart failure can be seen.How to cite this article: Ulus S, Akan GE, Erol C. Aneurysm of Portosystemic Fistula: A Case Report and Review of Literature. Euroasian J Hepato-Gastroenterol 2017;7(2):178 180. PMID- 29201805 TI - Porcelain Gallbladder. AB - Porcelain gallbladder or calcified gallbladder is a rare entity and is considered as the end stage of chronic cholecystitis. This disease is rarely diagnosed preoperatively and usually mimics carcinoma gallbladder. Hereby, we present a rare and interesting case of porcelain gallbladder that was diagnosed preoperatively and managed by cholecystectomy. How to cite this article: Goel A, Agarwal A, Gupta S, Bhagat TS, Kumar G, Gupta AK. Porcelain Gallbladder. Euroasian J Hepato-Gastroenterol 2017;7(2):181-182. PMID- 29201806 TI - A Rare Case of Complete Agenesis of Dorsal Pancreas. AB - Agenesis of dorsal pancreas (ADP) is an extremely rare congenital anomaly that results from defective development of pancreas. Most ADP patients are asymptomatic; if symptomatic, they present with epigastric pain. About half of affected individuals develop diabetes mellitus (DM), resulting from reduced islet cell mass secondary to the absence of endocrine structures. Being very rare, it is generally not kept in mind while dealing these cases and are not suspected until imaging investigations are not done. In our case study, ADP was diagnosed during evaluation of the patient for recurrent pain abdomen and generalized weakness. How to cite this article: Jain A, Singh M, Dey S, Kaura A, Diwakar G. A Rare Case of Complete Agenesis of Dorsal Pancreas. Euroasian J Hepato Gastroenterol 2017;7(2):183-184. PMID- 29201807 TI - Ascitic Fluid/Serum Bilirubin Ratio as an aid in Preoperative Diagnosis of Choleperitoneum in a Neglected Case of Spontaneous Common Bile Duct Perforation. AB - Spontaneous perforation of extrahepatic biliary system is a rare and potentially fatal cause of acute abdomen. Clinical presentation is as biliary peritonitis. This condition is rarely suspected as a cause of peritonitis preoperatively and correct diagnosis is made during surgery. If suspected, diagnosis can be made by various imaging techniques like hepatobiliary scintigraphy, magnetic resonance cholangiopancreatography (MRCP), and endoscopic retrograde cholangiopancreatography (ERCP). As these imaging techniques are not readily available, especially in low socioeconomic countries, we hereby report a case of spontaneous common bile duct (CBD) perforation, which was diagnosed preoperatively by estimation of ascitic fluid-to-serum bilirubin ratio, a simple, quick, and cost-effective test. How to cite this article: Huda F, Naithani M, Singh SK, Saha S. Ascitic Fluid/Serum Bilirubin Ratio as an aid in Preoperative Diagnosis of Choleperitoneum in a Neglected Case of Spontaneous Common Bile Duct Perforation. Euroasian J Hepato-Gastroenterol 2017;7(2):185-187. PMID- 29201808 TI - Management of Traumatic Liver and Bile Duct Laceration. AB - Posttraumatic major bile leak in children is uncommon, with few cases reported in the literature. These injuries are seen in high-grade liver trauma and are difficult to diagnose and manage. We describe a 7-year-old boy with grade IV hepatic trauma and bile leak following blunt abdominal trauma. The leak was successfully managed by percutaneous drainage and endoscopic retrograde cholangiopancreatography (ERCP) stenting of the injured hepatic duct. How to cite this article: Tiwari C, Shah H, Waghmare M, Khedkar K, Dwivedi P. Management of Traumatic Liver and Bile Duct Laceration. Euroasian J Hepato-Gastroenterol 2017;7(2):188-190. PMID- 29201809 TI - Long Esophageal Stricture in a Brittle Diabetic. AB - Aim: We report a case of atypical esophageal stricture in a young diabetic woman. Background: Diabetes mellitus and gastroesophageal reflux disease (GERD) are two common disorders in modern society. Case report: A young diabetic woman developed a 6-cm-long esophageal stricture. This stricture was refractory to multiple esophageal dilation procedures. She underwent subtotal esophagectomy and had excellent treatment outcome. Conclusion: Gastroesophageal reflux disease can cause severe long esophageal stricture in a brittle diabetic. Clinical significance: Improving the awareness of their association between diabetes and GERD would greatly benefit the day-to-day practice of medicine.How to cite this article: Pak SC, Darr U, Alastal Y, Yoon Y. Long Esophageal Stricture in a Brittle Diabetic. Euroasian J Hepato-Gastroenterol 2017;7(2):191-192. PMID- 29201810 TI - Subcortical Aphasia After Stroke. AB - Objective: To evaluate the types and severity of subcortical aphasia after stroke and to determine the predictors of the degree of aphasic impairment. Methods: Medical records of 38 patients with post-stroke subcortical aphasia (19 males; mean age, 61.7+/-13.8 years) were reviewed retrospectively with respect to the following tests: the Korean version of the Western Aphasia Battery (K-WAB), the Korean version of the Modified Barthel Index (K-MBI), and the Fugl-Meyer Index (FMI). The severity of aphasia was evaluated by the aphasia quotient (AQ) and the language quotient (LQ). Results: Anomic aphasia was the most frequent type of aphasia (n=15, 39.5%), and the lesion most frequently observed in subcortical aphasia was located in the basal ganglia (n=19, 50.0%). Patients with lesions in the basal ganglia exhibited the lowest scores on the FMI for the upper extremities (p=0.04). Severity of aphasia was significantly correlated with the K MBI (Pearson correlation coefficient: gamma=0.45, p=0.01 for AQ and gamma=0.53, p=0.01 for LQ) and FMI scores for the lower extremities (gamma=0.43, p=0.03 for AQ and gamma=0.49, p=0.05 for LQ). In a multivariate logistic regression analysis, K-MBI remained the only explanatory variable closely associated with aphasia severity. Conclusion: This study showed the general characteristics of post-stroke subcortical aphasia, and it revealed that K-MBI was an associated and explanatory factor for aphasia severity. PMID- 29201811 TI - The Characteristics of Cognitive Impairment and Their Effects on Functional Outcome After Inpatient Rehabilitation in Subacute Stroke Patients. AB - Objective: To determine the frequency and characteristics of vascular cognitive impairment (VCI) in patients with subacute stroke who underwent inpatient rehabilitation and to analyze whether cognitive function can predict functional assessments after rehabilitation. Methods: We retrospectively reviewed the medical records of patients who were admitted to our rehabilitation center after experiencing a stroke between October 2014 and September 2015. We analyzed the data from 104 patients who completed neuropsychological assessments within 3 months after onset of a stroke. Results: Cognitive impairment was present in 86 out of 104 patients (82.6%). The most common impairment was in visuospatial function (65, 62.5%) followed by executive function (63, 60.5%), memory (62, 59.6%), and language function (34, 32.6%). Patients with impairment in the visuospatial and executive domains had poor scores of functional assessments at both admission and discharge (p<0.05). A multivariate analysis revealed that age (beta=-0.173) and the scores on the modified Rankin Scale (beta=-0.178), Korean version of the Modified Barthel Index (K-MBI) (beta=0.489) at admission, and Trail-Making Test A (TMT-A) (beta=0.228) were related to the final K-MBI score at discharge (adjusted R2=0.646). Conclusion: In our study, VCI was highly prevalent in patients with stroke. TMT-A scores were highly predictive of their final K-MBI score. Collectively, our results suggest that post-stroke executive dysfunction is a significant and independent predictor of functional outcome. PMID- 29201812 TI - The Factors Associated With Health-Related Quality of Life in Stroke Survivors Age 40 and Older. AB - Objective: To evaluate the association between clinical and socio-demographic status and health-related quality of life (HR-QoL) in stroke survivors age 40 and older in the Korean population. Methods: The relationship between stroke and HR QoL was investigated using data from the Korea National Health and Nutrition Examination Survey (KNHANES), conducted from 2007-2012. The total number of respondents was 24,050 and 757 stroke survivors were included. Specifically, we investigated factors associated with the lowering of HR-QoL in a group of Korean adult stroke patients age 40 and older after adjusting for socio-demographic factors, anthropometric measurements, and clinical comorbidities. Adjusted effects of covariates on EuroQol-visual analog scales (EQ-VAS) scores were estimated with a complex-samples general linear model and multivariate-adjusted odds ratios of the lowest quintile versus highest quintile of the EQ-VAS scores in the stroke group were estimated with a complex-samples logistic regression model. Results: Socio-demographic, anthropometric factors, and clinical comorbidities significantly differed between the stroke and non-stroke groups, except regarding gender and residential area. The EQ-VAS was significantly lower in the stroke than non-stroke group. Anxiety/depression problems significantly lowered EQ-VAS, as did low education level, smoking, mobility and usual activities problems. Also, aging in 1-year increments and cardiovascular disease had a significant effect on lower EQ-VAS in stroke survivors. Conclusion: People with a stroke have significantly lower HR-QoL than healthy subjects. Therefore, managing depression, smoking, or cardiovascular disease and maintenance of physical function may be priority goals in improving HR-QoL after a stroke. PMID- 29201813 TI - Risk Factors and Functional Impact of Medical Complications in Stroke. AB - Objective: To determine the incidence and risk factors for medical complications in Korean patients suffering from stroke and the impact of such complications on post-stroke functional outcomes. Methods: We assessed patients enrolled in a prospective cohort study. All recruited patients had suffered a first acute stroke episode and been admitted to nine university hospitals in Korea between August 2012 and June 2015. We analyzed patient and stroke characteristics, comorbidities, prevalence of post-stroke medical complications, and functional outcomes at time of discharge and 3, 6, and 12 months after stroke onset. Results: Of 10,625 patients with acute stroke, 2,210 (20.8%) presented with medical complications including bladder dysfunction, bowel dysfunction, sleep disturbance, pneumonia, and urinary tract infection. In particular, complications occurred more frequently in older patients and in patients with hemorrhagic strokes, more co-morbidities, severe initial motor impairment, or poor swallowing function. In-hospital medical complications were significantly correlated with poor functional outcomes at all time points. Conclusion: Post-stroke medical complications affect functional recovery. The majority of complications are preventable and treatable; therefore, the functional outcomes of patients with stroke can be improved by providing timely, appropriate care. Special care should be provided to elderly patients with comorbid risk factors. PMID- 29201814 TI - Life Space Assessment in Stroke Patients. AB - Objective: To evaluate the reliability of the practical life space in post-stroke patients using the Korean version of the Life-Space Assessment (K-LSA) questionnaire and to assess the relationships between the K-LSA and physical function, daily activity, quality of life, and post-stroke depression. Methods: The LSA questionnaire was translated into Korean, and the translated version was authorized by the author of the LSA questionnaire. In a cross-sectional study, the performance of the K-LSA was evaluated in 34 stroke patients (20 males and 14 females; mean age 65.11+/-2.39 years) who were receiving physical and occupational therapy at the outpatient clinic in the rehabilitation medicine department of a university medical center at the time of evaluation. Performances were assessed twice by one examiner at a 2-week interval to test the reliability. The patients were evaluated using the Functional Ambulation Category (FAC) scale, Functional Independence Measure (FIM) scale, and mobility subscale of the FIM to assess their relationships with the K-LSA. They were also evaluated using the EuroQol 5 Dimensions questionnaire (EQ-5D) and Geriatric Depression Scale (GDS) to determine the relationship with quality of life and post-stroke depression. Results: Test-retest reliability at the first (62.20+/-32.14) and second (63.15+/ 32.22) assessment was 0.993 (p<0.01). The K-LSA showed significant correlations with the FAC (r=0.848, p<0.01), FIM (r=0.765, p<0.01), mobility category of the FIM (r=0.764, p<0.01), GDS (r=-0.657, p<0.01), and EQ-5D (r=0.506, p<0.01). Conclusion: This study suggests that the practical life space of post-stroke patients, assessed by the K-LSA, has a significant correlation with patients' functional mobility, independence in daily activity, quality of life, and depression. PMID- 29201815 TI - Clinical Predictors of Oro-esophageal Tube Feeding Success in Brain Injury Patients With Dysphagia. AB - Objective: To identify possible clinical predictors of intermittent oro esophageal (OE) tube feeding success, and evaluate the clinical factors associated with OE tube treatment. Methods: A total of 135 dysphagic patients were reviewed, who received OE tube treatment and were hospitalized in the department of rehabilitation medicine between January 2005 and December 2014. The 76 eligible cases enrolled were divided into two groups, based on the OE tube training success. Clinical factors assessed included age, cause of brain lesion, gag reflex, cognitive function and reasons for OE tube training failure. Results: Of the 76 cases enrolled, 56 study patients were assigned to the success group, with the remaining 20 in the failure group. There were significant differences between these two groups in terms of age, gag reflex, ability to follow commands, and the score of Korean version of Mini-Mental Status Examination (K-MMSE). Location of the brain lesion showed a borderline significance. Multivariable analysis using logistic regression revealed that age, cause of brain lesion, gag reflex, and K-MMSE were the main predictors of OE tube training success. Conclusion: A younger age, impaired gag reflex and higher cognitive function (specifically a K-MMSE score >=19.5) are associated with an increased probability of OE tube training success in dysphagic patients. PMID- 29201816 TI - Quantitative Analysis of Swallowing Function Between Dysphagia Patients and Healthy Subjects Using High-Resolution Manometry. AB - Objective: To compare swallowing function between healthy subjects and patients with pharyngeal dysphagia using high resolution manometry (HRM) and to evaluate the usefulness of HRM for detecting pharyngeal dysphagia. Methods: Seventy-five patients with dysphagia and 28 healthy subjects were included in this study. Diagnosis of dysphagia was confirmed by a videofluoroscopy. HRM was performed to measure pressure and timing information at the velopharynx (VP), tongue base (TB), and upper esophageal sphincter (UES). HRM parameters were compared between dysphagia and healthy groups. Optimal threshold values of significant HRM parameters for dysphagia were determined. Results: VP maximal pressure, TB maximal pressure, UES relaxation duration, and UES resting pressure were lower in the dysphagia group than those in healthy group. UES minimal pressure was higher in dysphagia group than in the healthy group. Receiver operating characteristic (ROC) analyses were conducted to validate optimal threshold values for significant HRM parameters to identify patients with pharyngeal dysphagia. With maximal VP pressure at a threshold value of 144.0 mmHg, dysphagia was identified with 96.4% sensitivity and 74.7% specificity. With maximal TB pressure at a threshold value of 158.0 mmHg, dysphagia was identified with 96.4% sensitivity and 77.3% specificity. At a threshold value of 2.0 mmHg for UES minimal pressure, dysphagia was diagnosed at 74.7% sensitivity and 60.7% specificity. Lastly, UES relaxation duration of <0.58 seconds had 85.7% sensitivity and 65.3% specificity, and UES resting pressure of <75.0 mmHg had 89.3% sensitivity and 90.7% specificity for identifying dysphagia. Conclusion: We present evidence that HRM could be a useful evaluation tool for detecting pharyngeal dysphagia. PMID- 29201817 TI - Association Between Walking and Low Back Pain in the Korean Population: A Cross Sectional Study. AB - Objective: To investigate if walking is independently associated with low back pain (LBP) in the general population. Methods: This cross-sectional study used public data from the Fourth and Fifth Korean National Health and Nutrition Examination Survey. Subjects included 5,982 community-dwelling adults aged >=50 years. Presence of current LBP was defined as LBP for 1 month or more in the past 3 months. Walking was measured as total walking duration for the past week and subjects were divided into four quartiles. Independent effect of walking on LBP was determined using odds ratios (OR) adjusted for age, sex, osteoporosis, depression or anxiety, and radiographic lumbar spondylosis. Results: Prevalence of LBP was 26.4% in this population. Older people and women had higher prevalence of current LBP. Prevalence of obesity and osteoporosis was higher in subjects with current LBP and quality of life was poorer in subjects with current LBP. Adjusted logistic regression model revealed that older age (OR, 1.655; p=0.018), female sex (OR, 2.578; p<0.001), radiographic lumbar spondylosis (OR, 2.728; p<0.001), depression or anxiety (OR, 5.409; p<0.001), and presence of osteoporosis (OR, 1.467; p=0.002) were positively associated with current LBP. Walking decreased prevalence of current LBP proportionally (2nd quartile OR, 0.795; 3rd quartile OR, 0.770; and 4th quartile OR, 0.686 compared with the 1st quartile of walking). Conclusion: Walking was negatively associated with LBP. Further studies are needed to reveal causal relationship of this phenomenon. PMID- 29201818 TI - Reliability and Validity of a New Method for Isometric Back Extensor Strength Evaluation Using A Hand-Held Dynamometer. AB - Objective: To investigate the reliability and validity of a new method for isometric back extensor strength measurement using a portable dynamometer. Methods: A chair equipped with a small portable dynamometer was designed (Power Track II Commander Muscle Tester). A total of 15 men (mean age, 34.8+/-7.5 years) and 15 women (mean age, 33.1+/-5.5 years) with no current back problems or previous history of back surgery were recruited. Subjects were asked to push the back of the chair while seated, and their isometric back extensor strength was measured by the portable dynamometer. Test-retest reliability was assessed with intraclass correlation coefficient (ICC). For the validity assessment, isometric back extensor strength of all subjects was measured by a widely used physical performance evaluation instrument, BTE PrimusRS system. The limit of agreement (LoA) from the Bland-Altman plot was evaluated between two methods. Results: The test-retest reliability was excellent (ICC=0.82; 95% confidence interval, 0.65 0.91). The Bland-Altman plots demonstrated acceptable agreement between the two methods: the lower 95% LoA was -63.1 N and the upper 95% LoA was 61.1 N. Conclusion: This study shows that isometric back extensor strength measurement using a portable dynamometer has good reliability and validity. PMID- 29201819 TI - Asymmetric Atrophy of Paraspinal Muscles in Patients With Chronic Unilateral Lumbar Radiculopathy. AB - Objective: To assess the cross-sectional area (CSA) of the muscles for investigating the occurrence of asymmetry of the paraspinal (multifidus and erector spinae) and psoas muscles and its relation to the chronicity of unilateral lumbar radiculopathy using magnetic resonance imaging (MRI). Methods: This retrospective study was conducted between January 2012 to December 2014. Sixty one patients with unilateral L5 radiculopathy were enrolled: 30 patients had a symptom duration less than 3 months (group A) and 31 patients had a symptom duration of 3 months or more (group B). Axial MRI measured the CSA of the paraspinal and psoas muscles at the middle between the lower margin of the upper vertebra and upper margin of the lower vertebra, and obtained the relative CSA (rCSA) which is the ratio of the CSA of muscles to that of the lower margin of L4 vertebra. Results: There were no differences in the demographics between the two groups. In group B, rCSA of the erector spinae at the L4-5 level, and that of multifidus at the L4-5 and L5-S1 levels, were significantly smaller on the involved side as compared with the uninvolved side. In contrast, no significant muscle asymmetry was observed in group A. The rCSA of the psoas was not affected in either group. Conclusion: The atrophy of the multifidus and erector spinae ipsilateral to the lumbar radiculopathy was observed only in patients suffering from unilateral radiculopathy for 3 months or more. PMID- 29201820 TI - Clinical Usefulness of X-Ray Findings for Non-specific Low Back Pain in Korean Farmers: FARM Study. AB - Objective: To elucidate the association between non-specific low back pain (NSLBP) and spinal X-ray findings in Korean farmers: Farmers' Cohort for Agricultural Work-Related Musculoskeletal disorders (FARM) study. Methods: A total of 835 farmers (391 males, 444 females; mean age, 56.6+/-7.4 years) without red-flag signs of specific LBP were recruited. Presence of LBP more than one week or once a month with more than moderate degree of pain severity during the last year was assessed with a binary questionnaire (yes or no). Spinal degenerative changes were classified into disc height change (DHC) of L4-5 and L5-S1 (grade 0 5) and osteophyte formation of L5 (grade 0-5) by a radiologist based on X-ray findings. Additionally, spondylolisthesis, scoliosis and spondylolysis were assessed. Results: General prevalence of NSLBP was 40.7%, revealing a higher incidence of NSLBP in female and younger farmers compared to male and older farmers (chi2=23.3, p<0.001; chi2=4.54, p<05, respectively). Among X-ray findings, DHC (L5-S1) grade 4 revealed significantly higher relative risk of NSLBP compared to grade 0 (odds ratio, 5.00; 95% confidence interval, 2.05-12.20) after adjusting age and sex, while other X-ray findings were not associated with NSLBP. Conclusion: The NSLBP of Korean farmers was significantly related to lumbar disc degenerative changes, suggesting clinical usefulness of X-ray findings in assessing LBP in farmers. PMID- 29201821 TI - Effects of Early Combined Eccentric-Concentric Versus Concentric Resistance Training Following Total Knee Arthroplasty. AB - Objective: To investigate the effects of early combined eccentric-concentric (ECC CON) or concentric (CON) resistance training following total knee arthroplasty (TKA). Methods: Patients who underwent a primary TKA were randomly assigned to an ECC-CON group (n=16) or a CON group (n=18). All patients received early, progressive resistance training with five sessions per week for 2 weeks starting 2 weeks after TKA. Isometric knee flexor and extensor strength of the surgical and non-surgical knees, instrumental gait analysis for spatiotemporal parameters, 6-Minute Walk Test (6MWT), Timed Up and Go Test (TUG), Timed Stair Climbing Test (SCT) were used to evaluate performance-based physical function. The Western Ontario McMaster Universities Osteoarthritis Index (WOMAC) and EuroQOL five dimensions (EQ-5D) questionnaire were used to evaluate self-reported physical function and self-reported quality of life. All patients underwent these evaluations before and 1 month after TKA. Results: The ECC-CON group showed clinically meaningful improvements in extensor peak torque (PT) of the non surgical knee, gait speed, and 6MWT from preoperative values. The CON group had an increase in H/Q ratio of the surgical knee and improvement in SCT-ascent postoperatively. Both groups showed significant improvements in WOMAC-Pain, function, and EQ-5D scores. Although extensor PT of the surgical knee did not reach the preoperative level in either group, the postoperative change was significantly less in the ECC-CON group than the CON group. Conclusion: Early combined ECC-CON resistance training minimizes the loss in quadriceps strength of the surgical knee and improves endurance and gait speed after TKA. PMID- 29201822 TI - Effect of Extracorporeal Shockwave Therapy Versus Intra-articular Injections of Hyaluronic Acid for the Treatment of Knee Osteoarthritis. AB - Objective: To evaluate and compare the effects and outcomes of extracorporeal shock wave therapy (ESWT) and intra-articular injections of hyaluronic acid (HA) in patients with knee osteoarthritis (OA). Methods: Of the 78 patients recruited for the study, 61 patients met the inclusion criteria. The enrolled patients were randomly divided into two groups: the ESWT group and the HA group. The ESWT group underwent 3 sessions of 1,000 shockwave pulses performed on the affected knee with the dosage adjusted to 0.05 mJ/mm2 energy. The HA group was administered intra-articular HA once a week for 3 weeks with a 1-week interval between each treatment. The results were measured with the visual analogue scale (VAS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Lequesne index, 40-m fast-paced walk test, and stair-climb test (SCT). A baseline for each test was measured before treatment and then the effects of the treatments were measured by each test at 1 and 3 months after treatment. Results: In both groups, the scores of the VAS, WOMAC, Lequesne index, 40-m fast-paced walk test, and SCT were significantly improved in a time-dependent manner (p<0.01). There were no statistically significant differences measured at 1 and 3 months after treatment between the two groups (p>0.05). Conclusion: The ESWT can be an alternative treatment to reduce pain and improve physical functions in patients with knee OA. PMID- 29201823 TI - Speech and Linguistic Features of Children With Articulation Disorder. AB - Objective: To analyze speech and linguistic features in children with articulation disorder characterized by consonant and vowel phonological errors. Methods: Between February 2007 and June 2015, 117 children who showed articulation disorder were selected for the study. Based on comprehensive speech and language assessments, the subjects were classified into articulation dysfunction (AD), or AD overlapping with language delay. Detailed information of articulation, including percentage of consonants correct (PCC) and normal percentage of variable consonants derived from the Assessment of Phonology and Articulation for Children test, were compared between the two groups. Results: Totally, 55 children were diagnosed as AD and 62 as AD with language delay. Mean PCC was not significantly different between the two groups. In both groups, the acquisition order of consonants followed the universal developmental sequence. However, differences were observed in the nasal & plosive consonants abnormality between the two groups. When adjusted to their delayed language level in AD with language delay group, 53% of children had appropriate articulation function for their expressive language level. Conclusion: Speech and linguistic characteristics in children with articulation disorder were variable. Therefore, comprehensive assessment is required in children with inaccurate pronunciation, and a proper treatment plan based on the results of assessment should be followed. PMID- 29201824 TI - Assessment of Preterm Infants Using the Bayley-III Scales in Korea. AB - Objective: To assess the well-being of preterm newborns using the Bayley-III scales in a Korean-based population, and to evaluate the perinatal risk factors influencing developmental outcome. Methods: Using the Bayley-III scales, we assessed 120 preterm infants who were referred for evaluation of neurodevelopmental performance. We subdivided them into an extremely preterm group (n=18) and a very/moderate to late preterm group (n=102). Bayley-III mean scores and the rate of infants showing a delay were compared for both groups. The relationship between perinatal risk factors and Bayley-III scores was analyzed. The risk factors were considered as very low birth weight, history of neonatal medical problems, and abnormal radiologic findings in brain magnetic resonance images (MRIs). Results: Although no significant differences in mean scores were observed between the extremely preterm group and the very/moderate to late preterm group, the rate of babies showing developmental delay in motor composite scores was significantly higher in the extremely preterm group. The proportions of preterm infants with cognitive, language, and motor delays were 38.3%, 26.7%, and 35.0%, respectively. Very low birth weight was a significant risk factor for low cognitive, language, and motor composite scores. Also, abnormal radiologic findings on brain MRI were significant indicators of lower motor composite scores. Conclusion: Cognitive development was the most frequently delayed domain in preterm infants and motor development was more frequently delayed in the extremely preterm group. The very low birth weight and abnormal radiologic findings in brain MRI were predictive factors for neurodevelopmental outcome. PMID- 29201826 TI - Translation, Cross-cultural Adaptation and Psychometric Validation of the Korean Language Cardiac Rehabilitation Barriers Scale (CRBS-K). AB - Objective: To perform a translation and cross-cultural adaptation of the Cardiac Rehabilitation Barriers Scale (CRBS) for use in Korea, followed by psychometric validation. The CRBS was developed to assess patients' perception of the degree to which patient, provider and health system-level barriers affect their cardiac rehabilitation (CR) participation. Methods: The CRBS consists of 21 items (barriers to adherence) rated on a 5-point Likert scale. The first phase was to translate and cross-culturally adapt the CRBS to the Korean language. After back translation, both versions were reviewed by a committee. The face validity was assessed in a sample of Korean patients (n=53) with history of acute myocardial infarction that did not participate in CR through semi-structured interviews. The second phase was to assess the construct and criterion validity of the Korean translation as well as internal reliability, through administration of the translated version in 104 patients, principle component analysis with varimax rotation and cross-referencing against CR use, respectively. Results: The length, readability, and clarity of the questionnaire were rated well, demonstrating face validity. Analysis revealed a six-factor solution, demonstrating construct validity. Cronbach's alpha was greater than 0.65. Barriers rated highest included not knowing about CR and not being contacted by a program. The mean CRBS score was significantly higher among non-attendees (2.71+/-0.26) than CR attendees (2.51+/-0.18) (p<0.01). Conclusion: The Korean version of CRBS has demonstrated face, content and criterion validity, suggesting it may be useful for assessing barriers to CR utilization in Korea. PMID- 29201825 TI - The Validity of the Bayley-III and DDST-II in Preterm Infants With Neurodevelopmental Impairment: A Pilot Study. AB - Objective: To identify the usefulness of both the Bayley Scales of Infant and Toddler Development, 3rd edition (Bayley-III) and Denver Developmental Screening Test II (DDST-II) in preterm babies with neurodevelopmental impairment, considering the detection rate as regulation of criteria. Methods: Retrospective medical chart reviews which included the Bayley-III and DDST-II, were conducted for 69 preterm babies. Detection rate of neurodevelopmental impairment in preterm babies were investigated by modulating scaled score of the Bayley-III. The detection rate of DDST-II was identified by regarding more than 1 caution as an abnormality. Then detection rates of each corrected age group were verified using conventional criteria. Results: When applying conventional criteria, 22 infants and 35 infants were detected as preterm babies with neurodevelopmental impairment, as per the Bayley-III and DDST-II evaluation, respectively. Detection rates increased by applying abnormal criteria that specified as less than 11 points in the Bayley-III scaled score. In DDST-II, detection rates rose from 50% to 68.6% using modified criteria. The detection rates were highest when performed after 12 months corrected age, being 100% in DDST II. The detection rate also increased when applying the modified criteria in both the Bayley-III and DDST-II. Conclusion: Accurate neurologic examination is more important for detection of preterm babies with neurodevelopmental impairment. We suggest further studies for the accurate modification of the detection criteria in DDST-II and the Bayley-III for preterm babies. PMID- 29201827 TI - Lumbar Scoliosis in Patients With Breast Cancer: Prevalence and Relationship With Breast Cancer Treatment, Age, Bone Mineral Density, and Body Mass Index. AB - Objective: To identify the prevalence of lumbar scoliosis in breast cancer patients and to investigate the potential risk factors of lumbar scoliosis. Methods: A retrospective chart review was performed in breast cancer patients aged more than 40 years who underwent dual energy X-ray absorptiometry (DEXA) scanning between January 2014 and December 2014. We divided the patients into control and experimental groups in order to investigate the influence of breast cancer treatment. The curvature of the lumbar spine was measured by using the Cobb method on a DEXA scan. Scoliosis was defined by the presence of a curvature 10 degrees or larger. The variables, including age, bone mineral density (BMD), body mass index (BMI), and breast cancer treatments, were also obtained from the medical chart. Prevalence of lumbar scoliosis was evaluated, and it was compared between the two groups. The relationships between lumbar scoliosis and these variables were also investigated. Results: Lumbar scoliosis was present in 16 out of our 652 breast cancer patients. There was no difference in the prevalence of lumbar scoliosis between the control group (7/316) and the experimental group (9/336) (p=0.70). According to the logistic regression analysis, lumbar scoliosis had no significant association with operation, chemotherapy, hormone therapy, BMI, and BMD (p>0.05). However, age showed a significant relationship with prevalence of lumbar scoliosis (p<0.001; odds ratio, 1.11; 95% confidence interval, 1.054-1.170). Conclusion: Prevalence of lumbar scoliosis in patients with breast cancer was 2.45%. Lumbar scoliosis had no association with breast cancer treatments, BMD, and BMI. Age was the only factor related to the prevalence of lumbar scoliosis. PMID- 29201828 TI - Hand Functions of Myoelectric and 3D-Printed Pressure-Sensored Prosthetics: A Comparative Study. AB - The loss of an upper limb significantly limits the functional activities of daily living. A huge emphasis is placed on the manipulation, shape, weight, and comfort of a prosthesis, to enable its use as an inherent body part. Even with technological advances, customized upper-extremity myoelectric prosthesis remain heavy and expensive. The high cost of upper-extremity prosthesis is an especially steep economic barrier for patients. Three-dimensional (3D) printing is a promising avenue for reducing the cost of prosthesis. We applied 3D-printed pressure-sensored prosthetics to a traumatic transradial amputee, and compared the hand functions with a customized myoelectric prosthesis. The 3D-printed pressure-sensored prosthetics showed low grip strength and decreased dexterity compared to the conventional myoelectric prosthesis. Although there were a few limitations, the fabrication of prosthesis with 3D printing technology can overcome previous problems such as high production cost, long fabrication period and heavy weight. PMID- 29201830 TI - Lymphedema Associated With Primary Amyloidosis: A Case Study. AB - We reported on a 60-year-old man presenting lymphedema of both lower extremities and scrotum for 3 years with unknown cause. We took a computed tomography scan of the lower extremities as a follow-up. There were diffuse subcutaneous edema in both lower extremities and multiple enlarged lymph nodes along the para-aortic and bilateral inguinal areas. For further evaluation, biopsy of an enlarged inguinal lymph node was taken, yielding a diagnosis of primary amyloidosis. A treatment of chemotherapy for amyloidosis was recommended for him. To our knowledge, this is the first report of lymphedema presenting with primary amyloidosis in Asia. This case suggests that primary amyloidosis could be one of the differential diagnoses in patients with lymphedema in the lower extremities. PMID- 29201829 TI - Patient With Delayed Development Resulting From De Novo Duplication of 7q36.1 q36.3 and Deletion of 9p24.3. AB - Patients with a duplication from 7q36 to the terminus or a deletion of 9p24 have been reported, whereas those harboring both mutations have not. Here, we report a patient with simultaneous de novo 7q36.1-q36.3 duplication and 9p24.3 deletion. A 6-year-old boy presented with speech developmental delay, microcephaly, and dysmorphic features, including a long face and small nose. Chromosome and array comparative genomic hybridization analyses revealed 46,XY,dup(7)(q36.1-q36.3) and del(9)(p24.3). The sizes of the duplication and deletion were 9.9 Mb and 1.9 Mb, respectively. The duplication of chromosome 7 contained 68 known genes, of which 3 are related with entries in the Developmental Disorders Genotype-to-Phenotype (DDG2P) database. The deletion of chromosome 9 contained 6 known genes, of which 2 are in the DDG2P database. We investigated the genotype and phenotype in this patient, and reviewed the relevant literatures for possible clinical presentation in these variations. PMID- 29201831 TI - An Infantile Case of Sandhoff Disease Presenting With Swallowing Difficulty. AB - Infants with Sandhoff disease typically appear normal until 3-6 months of age. As the disease progresses, they present with symptoms such as loss of motor skills, exaggerated startle response to loud noise, seizures, visual loss, and paralysis. We encountered a rare case of a 22-month-old girl with Sandhoff disease characterized by progressive motor weakness and dysphagia, who initially showed signs of aspiration at 20 months of age. The major problems related to dysphagia were oromotor dysfunction and abnormal feeding posture. Within 3 months of identification of difficulty in swallowing, the patient showed a significant decrease in food intake, with rapid deterioration of nutritional status. We report our case with a review of the literature. PMID- 29201832 TI - Letter to the Editor: Successful Extubation After Weaning Failure by Noninvasive Ventilation in Patients With Neuromuscular Disease - Do We Appreciate the Bigger Picture? PMID- 29201834 TI - Correction: Nerve Conduction Study of the Distal Branches of the Superficial Radial Nerve. AB - [This corrects the article on p. 557 in vol. 31.]. PMID- 29201833 TI - In Reply: Successful Extubation After Weaning Failure by Non-invasive Ventilation in Patients With Neurmuscular Disease - Do We Appreciate the Bigger Picture? PMID- 29201835 TI - Correction: Idiopathic Retroperitoneal Fibrosis With Myofascial Pain Syndrome: A Case Report. AB - [This corrects the article on p. 123 in vol. 33.]. PMID- 29201836 TI - Traumatic Cerebrospinal Fluid Leak: Diagnosis and Management. AB - Cerebrospinal fluid (CSF) leaks are one of the common complications after traumatic brain injuries (TBI). The risks of CSF leaks can be detrimental to the outcomes of the patients. Early diagnosis and proper management is imperative for it is strongly associated with a better long-term prognosis of the patients. Diagnostic tools for CSF leaks are still under debate. Nevertheless, many reports of successful treatments for CSF leaks have been published with introduction of various repair techniques for leakage sites even though it is surgically challenging. Hereby, we review about the pathophysiology, manifestations as well as the update of the clinical diagnosis and current management of CSF leaks. PMID- 29201837 TI - Expression of Aquaporin 1 and 4 in the Choroid Plexus and Brain Parenchyma of Kaolin-Induced Hydrocephalic Rats. AB - Objective: Aquaporin (AQP) is a recently discovered protein that regulates water homeostasis. The present study examines changes in AQP 1 and 4 in kaolin induced experimental hydrocephalic rats to elucidate the pathophysiology of water homeostasis in the disease. Methods: Hydrocephalus was induced by percutaneous intracisternal injection of kaolin. The brain parenchyma and choroid plexus were obtained at 3, 7, 14 and 30 days after injection. Protein expressions of AQP 1 and 4 were measured by western blot, immunohistochemistry (IHC) and immunofluorescence (IF) stains. Results: In the choroid plexus of the kaolin induced hydrocephalus group, AQP 1 expression identified by western blot exhibited sharp decrease in the early stage (55% by the 3rd day and 22% by the 7th day), but indicated a 2.2-fold increase in the later stage (30th day) in comparison with control groups. In the parenchyma, a quantitative measurement of AQP 4 expression revealed variable results on the 3rd and 7th days, but indicated expression 2.1 times higher than the control in the later stage (30th day). In addition, the IHC and IF findings supported the patterns of expression of AQP 1 in the choroid plexus and AQP 4 in the parenchyma. Conclusion: Expression of AQP 1 decreased sharply in the choroid plexus of acute hydrocephalus rats and increased at later stages. Expression of AQP 4 in the brain parenchyma was variable in the early stage in the hydrocephalus group, but was higher than in the control in the later stage. These findings suggest a compensating role of AQPs in water physiology in hydrocephalus. PMID- 29201838 TI - Ganoderma Lucidum Protects Rat Brain Tissue Against Trauma-Induced Oxidative Stress. AB - Objective: Traumatic brain injury causes tissue damage, breakdown of cerebral blood flow and metabolic regulation. This study aims to investigate the protective influence of antioxidant Ganoderma lucidum (G. lucidum) polysaccharides (GLPs) on brain injury in brain-traumatized rats. Methods: Sprague-Dawley conducted a head-traumatized method on rats by dropping off 300 g weight from 1 m height. Groups were categorized as control, G. lucidum, trauma, trauma+ G. lucidum (20 mL/kg per day via gastric gavage). Brain tissues were dissected from anesthetized rats 7 days after injury. For biochemical analysis, malondialdehyde, glutathione and myeloperoxidase values were measured. Results: In histopathological examination, neuronal damage in brain cortex and changes in blood brain barrier were observed. In the analysis of immunohistochemical and western blot, p38 mitogen-activated protein kinase, vascular endothelial growth factor and cluster of differentiation 68 expression levels were shown. These analyzes demonstrated the beneficial effects of GLPs on brain injury. Conclusion: We propose that GLPs treatment after brain injury could be an alternative treatment to decraseing inflammation and edema, preventing neuronal and glial cells degeneration if given in appropriate dosage and in particular time intervals. PMID- 29201839 TI - Trauma Patterns of Drowning after Falling from Bridges over Han River. AB - Objective: Recently, the number of patients who fell or jumped from bridges over Han River has rapidly increased. However, the injury patterns and outcomes of these patients have been poorly characterized. The aim of this study was to determine the injury characteristics of these patients. Methods: We reviewed the medical records of all patients who were transferred to the Emergency Room due to jumping or falling from bridges over Han River between 2011 and 2015. Results: A total of 203 patients were included. Among them, 14 (6.9%) patients were dead on arrival, 51 (25.1%) patients were expired in the hospital, and 138 (70%) patients were discharged alive, including a patient who had severe neurologic sequelae after resuscitation. Skeletal and internal organ injuries were identified based on radiologic images. The most injured organ was thorax (58.1%), followed by spine (23.1%), abdomen (11.1%), extremity (7.7%), and cranium (5.2%). Chest tubing for pneumothorax or hemothorax was performed in four (2.9%) patients. Surgical intervention was needed for four patients (2.9%). Conclusion: Trauma patterns were concentrating on the thorax and spine regions. Therefore, complete radiographic evaluation should be performed for these patients. PMID- 29201840 TI - Epidemiology and Risk Factors for Bicycle-Related Severe Head Injury: A Single Center Experience. AB - Objective: Head injury is the main cause of death and severe disability in bicycle-related injuries. The purpose of this study was to compare the demographic characteristics and injury mechanisms of bicycle-related head injuries according to the severity and outcome and determine the main risk factors and common types of accompanying injuries. Methods: A total of 205 patients who were admitted to the neurosurgery department of our hospital for bicycle-related head injuries between 2007 and 2016 were analyzed. We categorized the patients into two groups according to severity and outcome of head injury, and then identified the differences in age, sex, and cause of injury between the two groups. Results: Collisions with a motor vehicle increased the risk of severe head injury (p=0.011), resulted in poor outcomes (Glasgow Outcome Scale [GOS] <=3; p=0.022), and caused more accompanying chest/abdominal (p<0.001) and pelvic/lower extremity injuries (p=0.001) than other mechanisms. Older age and high grade of head injury severity resulted in poor outcomes (p=0.028 and p<0.001, respectively), and caused more accompanying chest/abdominal injuries (p<0.032 and p<0.001, respectively) compared with younger age and low grade of head injury severity. Conclusion: In bicycle-related head injuries, collision with motor vehicle is one of the most important risk factor for high grade of head injury severity and outcome. In addition, bicycle-related head injuries are often accompanied by injuries of other parts of the body. PMID- 29201841 TI - The Combined Use of Cardiac Output and Intracranial Pressure Monitoring to Maintain Optimal Cerebral Perfusion Pressure and Minimize Complications for Severe Traumatic Brain Injury. AB - Objective: To show the effect of dual monitoring including cardiac output (CO) and intracranial pressure (ICP) monitoring for severe traumatic brain injury (TBI) patiens. We hypothesized that meticulous treatment using dual monitoring is effective to sustain maintain minimal intensive care unit (ICU) complications and maintain optimal ICP and cerebral perfusion pressure (CPP) for severe TBI patiens. Methods: We included severe TBI, below Glasgow Coma Scale (GCS) 8 and head abbreviation injury scale (AIS) >4 and performed decompressive craniectomy at trauma ICU of our hospital. We collected the demographic data, head AIS, injury severity score (ISS), initial GCS, ICU stay, sedation duration, fluid therapy related complications, Glasgow Outcome Scale (GOS) at 3 months and variable parameters of ICP and CO monitor. Results: Thirty patients with severe TBI were initially selected. Thirteen patients were excluded because 10 patients had fixed pupillary reflexes and 3 patients had uncontrolled ICP due to severe brain edema. Overall 17 patients had head AIS 5 except 2 patients and 10 patients (58.8%) had multiple traumas as mean ISS 29.1. Overall complication rate of the patients was 64.7%. Among the parameters of CO monitoring, high stroke volume variation is associated with fluid therapy related complications (p=0.043) and low cardiac contractibility is associated with these complications (p=0.009) statistically. Conclusion: Combined use of CO and ICP monitors in severe TBI patients who could be necessary to decompressive craniectomy and postoperative sedation is good alternative methods to maintain an adequate ICP and CPP and reduce fluid therapy related complications during postoperative ICU care. PMID- 29201842 TI - Clinical Features of Interhemispheric Subdural Hematomas. AB - Objective: Interhemispheric subdural hematoma (IHSDH) is uncommon, because of their unusual location. However, it is a distinct lesion with its unique characteristics. We investigated clinical features and outcomes of consecutive 42 patients with IHSDH, retrospectively. Methods: From 2006 to 2015, we treated 105 patients with IHSDH. All patients were diagnosed by computed tomography (CT) or magnetic resonance imaging. We selected 42 patients with thick (3 mm or more) IHSDH. We retrospectively reviewed the clinical and radiological findings, management and outcomes. Results: The male to female ratio was 2:1. Two thirds of the patients were over 60 years old. Slip or fall was the most common cause of trauma. The level of consciousness on admission was Glasgow Coma Scale (GCS) 13 to 15 in 25 patients. The most common symptom was headache. All IHSDH was hyperdense in CT at the time of diagnosis. IHSDH frequently accompanied convexity subdural hematoma. The outcome was favorable in 27 patients, however, six patients were expired. Twenty-two patients were managed conservatively. Surgery was performed in ten patients to remove the concurrent lesion. The outcome was poor in spontaneous one, patients with low GCS, and patients with conservative treatment. Conclusion: IHSDH is rare especially the isolated one. The outcome was dependent to the severity of injury. Surgery may be helpful to remove the concurrent mass lesion, however, conservative treatment is generally preferred. PMID- 29201843 TI - Clinical Features and Outcomes of Bilateral Decompression Surgery for Immediate Contralateral Hematoma after Craniectomy Following Acute Subdural Hematoma. AB - Objective: Immediate contralateral epidural hematoma (EDH) and traumatic intracerebral hematoma (T-ICH) after craniectomy for traumatic subdural hematoma (SDH) are rare but devastating post-operative complications. Their clinical features and outcomes are not well studied. In this report, we present the clinical features and outcomes of immediate contralateral acute hematoma cases requiring a second operation. Methods: This study includes 10 cases of immediate contralateral EDH and T-ICH following bilateral craniectomy for the evacuation of traumatic SDH and contralateral hematoma between 2004 and 2015. Their medical records and radiographic findings were reviewed and analyzed retrospectively. Results: Ten of the 528 patients (1.89%) who underwent craniectomy for the evacuation of traumatic SDH developed post-operative EDH (n=5), T-ICH (n=5). The trauma was caused by a fall in 5 patients and by a traffic accident in 5 patients. The patients who suffered trauma due to pedestrian accidents died. Seven patients had a low admission Glasgow Coma Scale (GCS; GCS<=8) score in the preoperative state (average admission GCS, 7.7; average discharge GCS, 3.4; and average discharge Glasgow Outcome Scale, 2.0). Severe intra-operative brain swelling was noted in all patients, while skull fracture was observed in 8. Multiple associated injuries and medication for heart disease were characteristic of patients who died. Conclusion: The prognosis of delayed contralateral hematoma was very poor. Multiple associated injuries, past medical history and traffic accidents, especially pedestrians were seemed to be associated with higher mortality rates. Finally, contralateral skull fractures can indicate high risk of delayed contralateral acute intracranial hematoma. PMID- 29201844 TI - Factors Affecting Optimal Time of Cranioplasty: Brain Sunken Ratio. AB - Objective: After a rigorous management of increased intracranial pressure by decompressive craniectomy (DC), cranioplasty (CP) is usually carried out for functional and cosmetic purposes. However, the optimal timing of CP remains controversial. Our study aims to analyze the relationship between the optimal timing of CP and the post-operative complications. Methods: From January 2013 to December 2015, ninety patients who underwent CP in a single institution were analyzed. We set the independent variables as follows: 1) patient characteristics; 2) the time interval between the DC and CP; 3) operation time; 4) anesthesia time; and 5) pre-operative computed tomography (CT) findings such as a degree of sunken brain by ratio of A (the median length from scalp to midline) to B (the length from midline to inner table of skull at this level). The dependent variables of this study are the event of post-operative complications. Results: The overall complication rate was 33.3%. There was no statistical significance in the time interval between the DC and CP in the groups with and without complications of CP (p=0.632). However, there was a significant statistical difference in the degree of sunken brain by ratio (A/B) between the two groups (p<0.001). Conclusion: From this study, we conclude that it is better to determine the optimal timing of CP by the pre-operative CT finding than by the time interval between the DC and CP. Hereby, we suggest a potentially useful determinant of optimal timing of CP. PMID- 29201845 TI - Kummell's Disease Treated with Percutaneous Vertebroplasty: Minimum 1 Year Follow Up. AB - Objective: To evaluate the radiographic and clinical outcomes of percutaneous vertebroplasty (PVP) in patients with Kummell's disease. Methods: A retrospective review was conducted for 19 vertebrae in 18 patients, between January 2012 and June 2016. A visual analogue scale (VAS) score was used to determine each patient's subjective level of pain (0=no pain to 10=severe pain) preoperative, immediately postoperative and at the last follow-up (at least 12 months after PVP).Radiographic parameters such as regional and global kyphotic angle, lumbar lordosis (LL), thoracolumbar junction (TLJ) angle, vertebral height, cement leakage, refracture, and adjacent level fracture were evaluated by the clinician preoperative, immediate postoperative and at the last follow-up. Results: The mean VAS score significantly decreased after PVP and the decrease was maintained through to the final follow-up (p<0.05). However, the regional and global kyphotic angle, LL, and TLJ angle were not improved. Cement leakage was observed in 5 cases (26.3%): however, there were no cases of cement leakage into the spinal canal. No neurological deterioration was observed, even among patients with cement leakage. Adjacent level fractures were detected in 3 cases (15.8%). Conclusion: PVP can be considered as an effective treatment option for pain relief and maintenance of sagittal balance in patients with Kummell's disease. PMID- 29201846 TI - Comparison of Surgical Results between Soft Ruptured Disc and Foraminal Stenosis Patients in Posterior Cervical Laminoforaminotomy. AB - Objective: Posterior cervical laminoforaminotomy is used to relieve cervical nerve root compression caused by a laterally herniated soft cervical disc or spondylotic spur and its several advantages and disadvantages compared with anterior cervical discectomy were reported. We compared surgical results between soft ruptured disc and foraminal stenosis in posterior cervical laminoforaminotomy. Methods: We performed a retrospective review of 47 patients performed single level posterior cervical laminoforaminotomy for cervical radiculopathy between 2004 and 2012. We divided these patients into two groups, Group A: 27 patients for ruptured disc and Group B: 20 patients for foraminal stenosis and analyzed the demographic factors, amount of medial facetectomy, postoperative instability with neck pain and clinical outcomes. Results: According to the modified Odom's criteria, laminoforaminotomy for the ruptured disc showed 92.6% excellent results and 7.4% good results. For the foraminal stenosis, it was 55.0% excellent and 25.0% good results, which was statistically significant. However when both groups were included, overall success rate showed 91.5%. The extent of medial facetectomy for ruptured disc (31.2%) was smaller than for stenosis (48.8%) and it was statistically significant. Thirteen patients complained of postoperative neck pain for 2 months. There was no instability on dynamic X-ray until the last follow up period and we had two cases complications (4.3%). Conclusion: Although the extent of facetectomy for ruptured disc was smaller than it for stenosis, posterior laminoforaminotomy for the ruptured disc showed the better outcomes than foraminal stenosis. PMID- 29201847 TI - The Efficacy of Fentanyl Transdermal Patch as the First-Line Medicine for the Conservative Treatment of Osteoporotic Compression Fracture. AB - Objective: There are no strong guidelines on how long or how we should undertake conservative treatment during the acute period of an osteoporotic vertebral compression fracture (VCF). Methods: We treated 202 patients with conservative treatment on VCF from March 2012 to August 2015. On inclusion criteria, 75 patients (22 males and 53 females) were included in the final analysis. After admission, a transdermal fentanyl patch with low dose (12.5 ug) application was attempted in all patients. In an unresponsive patient, the fentanyl patch was increased by 25 ug. After identifying the tolerable toilet ambulation of the patient without any assistance, hospital discharge was recommended. We classified two patient groups into one favorable group and one unfavorable group and compared several clinical and radiological factors. Results: Among 75 patients, the clinical outcome of 57 patients (76%) was favorable, but that of 18 patients (24%) was unfavorable. In clinical outcomes, the numeric rating scale at 6 and 12 months and Odom's criteria at 12 months was significantly different between the favorable and the unfavorable groups. The dose of the patches used showed statistically significant differences between the two groups (p=0.001). Conclusion: The only statistically significant affecting factor for an unfavorable outcome was the use of a higher dose fentanyl patch. Our data inferred that the unresponsiveness to a low-dose fentanyl patch could be helpful to select patients necessary for percutaneous vertebroplasty or kyphoplasty. PMID- 29201848 TI - Intraoperative Transcranial Sonography for Detection of Contralateral Hematoma Volume Change in Patients with Traumatic Brain Injury. AB - The authors present two clinical cases, in which intraoperative transcranial sonography (TCS) was used to detect a change in contralateral hematoma volume. A 51-year-old female and a 5-year-old male underwent osteoplastic craniotomy for epidural hematoma removal. Scant contralateral hematoma was evident by preoperative computed tomography in both patients. Intraoperative TCS was used to detect changes in contralateral hematomas. After observing a volume change in one case, a second operation was performed immediately. Based in this experience, the authors recommend intraoperative TCS for the detection of contralateral hematoma volume changes. PMID- 29201849 TI - Concurrent Surgery of Craniectomy and Splenectomy as Initial Treatment in Severe Traumatic Head Injury: A Case Report. AB - It is not a common case for neurosurgery department and the other departments to perform joint operation at the same time. Patients with severe head injury are a condition in which vital signs are unstable due to severe brain swelling and increased intracranial pressure, and emergency surgery is required. A 44-year-old man visited the trauma center with a motorcycle accident. The Glasgow Coma Scale score at the time of emergency department was 3 points, and the pupil was fixed at 6 mm on both sides. His medical history was unknown. His vital signs including blood pressure (BP), heart rate, respiratory rate and oxygen saturation were stable. Associated injuries included multiple fractures of whole body. Brain computed tomography revealed subarachnoid hemorrhage, intraventricular hemorrhage and severe cerebral edema. During the preparation of the craniectomy, abdominal ultrasonography performed because of decreased BP resulted in a large amount of hemoperitoneum. The bi-coronal craniectomy and splenectomy were performed simultaneously for about 4 hours. After fifty days of treatment, he was discharged with Glasgow Outcome Scale-extended 4 points and is undergoing rehabilitation. In severe polytrauma patients, active concurrent surgery is a good method to save their lives. PMID- 29201850 TI - Remote Hemorrhage after Burr Hole Drainage of Chronic Subdural Hematoma. AB - Chronic subdural hematoma (CSDH) and symptomatic subdural hygroma are common diseases that require neurosurgical management. Burr hole trephination is the most popular surgical treatment for CSDH and subdural hygroma because of a low recurrence rate and low morbidity compared with craniotomy with membranectomy, and twist-drill craniotomy. Many reports suggest that placing a catheter in the subdural space for drainage can further reduce the rate of recurrence; however, complications associated with this type of drainage include acute subdural hematoma, cortical injury, and infection. Remote hemorrhage due to overdrainage of cerebrospinal fluid (CSF) is another possible complication of burr hole trephination with catheter drainage that has rarely been reported. Here, we present 2 cases of remote hemorrhages following burr hole trephination with catheter drainage for the treatment of CSDH and symptomatic subdural hygroma. One patient developed intracerebral hemorrhage and subarachnoid hemorrhage in the contralateral hemisphere, while another patient developed remote hemorrhage 3 days after the procedure due to the sudden drainage of a large amount of subdural fluid over a 24-hour period. These findings suggest that catheter drainage should be carefully monitored to avoid overdrainage of CSF after burr hole trephination. PMID- 29201851 TI - Postoperative Subarachnoid Hemorrhage and Multipunctate Intracerebral Hemorrhages Following Evacuation of Bilateral Chronic Subdural Hematomas. AB - Chronic subdural hematoma (CSDH) can be easily treated by burr hole surgery. However, several complications including intracerebral hemorrhage (ICH), subarachnoid hemorrhage (SAH), and acute subdural hematoma are rare after evacuation of a CSDH. A 77-year-old man was admitted with right hemiparesis and dysarthria. A brain computed tomography (CT) scan revealed a bilateral CSDH with midline shifting toward the right side. The patient got the burr hole trephination with the catheters insertion in the both sides of parietal area under the local anesthesia. After burr hole surgery immediately, he developed left side weakness and decreased level of consciousness. Repeat CT scans detected a diffuse SAH and multiple small ICHs. He was treated conservatively and fully recovered at discharge after 1 month. To avoid these complications, slow and gradual drainage of the CSDH is needed. The authors report a rare case of SAH and multipunctate ICHs in both cerebral hemispheres after evacuation of a bilateral CSDH. PMID- 29201852 TI - Chronic Brain-Dead Patients Who Exhibit Lazarus Sign. AB - Lazarus sign, a complex reflex movement of the upper limbs after brain death, is a rare occurrence. We report two patients who showed a Lazarus sign following a diagnosis of brain death. It has been accepted that cardiac arrest usually occurs within 1 week after brain death; however, the two patients described herein survived for over 100 days after brain death was diagnosed. This report is intended to examine the relationship between the Lazarus sign and long-term survival after brain death, as well as to share our rare experience. PMID- 29201853 TI - Proper Management of Posttraumatic Tension Pneumocephalus. AB - Pneumocephalus is commonly seen after craniofacial injury. The pathogenesis of pneumocephalus has been debated as to whether it was caused by ball valve effect or combined episodic increased pressure within the nasopharynx on coughing. Discontinuous exchange of air and cerebrospinal fluid due to "inverted bottle" effect is assumed to be the cause of it. Delayed tension pneumocephalus is not common, but it requires an active management in order to prevent serious complication. We represent a clinical case of a 57-year-old male patient who fell down from 3 m height, complicated by tension pneumocephalus on 5 months after trauma. We recommend a surgical intervention, but the patient did not want that so we observe the patient. The patient was underwent seizure and meningitis after 7 months after trauma, he came on emergency room on stupor mentality. Tension pneumocephalus may result in a neurologic disturbance due to continued air entrainment and it significantly the likelihood of intracranial infection caused by continued open channel. Tension pneumocephalus threat a life, so need a neurosurgical emergency surgical intervention. PMID- 29201854 TI - Traumatic Intracerebral and Subarachnoid Hemorrhage Due to a Ruptured Pseudoaneurysm of Middle Meningeal Artery Accompanied by a Medial Sphenoid Wing Dural Arteriovenous Fistula. AB - Traumatic pseudoaneurysms of middle meningeal artery (MMA) and medial sphenoid wing dural arteriovenous fistula (dAVF) are rare. These lesions usually result from traumatic brain injury, and associated with skull fracture. In this paper, the authors report a case of a patient with a ruptured traumatic pseudoaneurysm of MMA and medial sphenoid wing dAVF presented with an intracerebral hemorrhage in the left temporal region and subarachnoid hemorrhage. These lesions were completely obliterated by endovascular treatment, and the patient was recovered without any neurologic deficit. However, 18-day after the procedure, delayed neurologic deficits were developed due to cerebral vasospasm. PMID- 29201855 TI - Posterior Reversible Encephalopathy Syndrome after Head Trauma Surgery in Pediatric Patient without Any Underlying Disease. AB - Posterior reversible encephalopathy syndrome (PRES) is a neurological disorder characterized by signs of posterior cerebral edema upon radiographic examination. A 16-year-old girl was involved in motorcycle accident and depressed frontal fracture was presented. She had generalized seizures 3 days after dural repair and fracture reduction. Signal changes was noted on both parietal lobes in the magnetic resonance images and it was completely resolved in 3 months follow-up. We would like to present the case that demonstrated PRES related hypertension after head trauma surgery for cerebrospinal fluid leakage in pediatric patient without any underlying disease. PMID- 29201856 TI - Complete Reversal of Diffusion Restriction after Treatment of Traumatic Carotid Cavernous Fistula. AB - A 15-year-old man presented with stupor following a motorcycle traffic accident. The patient was diagnosed with a traumatic left carotid cavernous fistula (CCF) with pseudoaneurysm of the left internal carotid artery. Brain magnetic resonance imaging (MRI) showed transiently restricted diffusion in the left centrum semiovale white matter and lower temporo-occipital area extending to the splenium of the corpus callosum, with high signal intensity on diffusion-weighted imaging. On the 35th day of admission, the patient had complete neurological recovery and a follow-up brain MRI revealed complete resolution of the lesions in the left centrum semiovale and splenium of the corpus callosum. These clinical and radiological features are highly suggestive of complete reversal of diffusion restriction after successful embolization of traumatic CCF. PMID- 29201857 TI - A Rare Complication of Lumbar Spinal Surgery: Pneumocephalus. AB - A 25-year-old male patient with severe thigh and right side pain was presented. In the lumbar magnetic resonance images, there was a contrasting spinal cord tumor image with 1 cm in diameter at the level of the L3 vertebra. The patient was operated and the tumor was totally removed. All the pain of the patient recovered. The patient's postoperative two days were very comfortable and the patient was early mobilized. On the third postoperative day, the patient complained of severe headache, nausea and vomiting. Immediate cranial computed tomography (CT) images was performed. Cerebral pneumocephalus was present in CT. The patient was treated with definite bed rest and plenty of fluid replacement. After three days, the patient's complaints were completely improved. This improvement was confirmed by performing a cerebral CT scan. In the formation of pneumocephalus, air is compressed into the intradural space during operation and this passes to the cerebral space. Definite bed rest, abundant fluid replacement and, in addition, highly inspired oxygen therapy are sufficient to correct the condition. PMID- 29201858 TI - Thoracolumbar Paraspinal Myonecrosis after Aortic Dissection. AB - Thoracolumbar paraspinal myonecrosis can be developed with various etiologies. It can induce compartment syndrome of spinal muscles and cause elevated pressure on back muscles, resulting in severe back pain. Thoracolumbar paraspinal myonecrosis is a very rare disease. There are only a few studies about paraspinal myonecrosis. Here we report a case of a spontaneous thoracolumbar paraspinal myonecrosis in a patient who had asymptomatic abdominal aortic dissection. Through this case, etiologies, clinical features, radiologic findings, and treatment options for thoracolumbar paraspinal myonecrosis are discussed. PMID- 29201859 TI - Predictable, Tunable Protein Production in Salmonella for Studying Host-Pathogen Interactions. AB - Here we describe the use of synthetic genetic elements to improve the predictability and tunability of episomal protein production in Salmonella. We used a multi-pronged approach, in which a series of variable-strength synthetic promoters were combined with a synthetic transcriptional terminator, and plasmid copy number variation. This yielded a series of plasmids that drive uniform production of fluorescent and endogenous proteins, over a wide dynamic range. We describe several examples where this system is used to fine-tune constitutive expression in Salmonella, providing an efficient means to titrate out toxic effects of protein production. PMID- 29201861 TI - Active phytochemicals of Pueraria tuberosa for DPP-IV inhibition: in silico and experimental approach. AB - Background: We had earlier reported that the extract of Pueraria tuberosa significantly inhibits DPP-IV enzyme, resulting in glucose tolerance response in rats. In this study, we have explored the active phytochemicals responsible for this potential. The results have been validated in both fasting and postprandial states in the plasma of normal rats and also in fasting blood and intestinal homogenates of diabetic models. Methods: Pueraria tuberosa water extract (PTWE) was administered to normal Charles Foster rats for 35 days and to diabetic model (65 mg/kg bw) for 10 days. After treatments, oral glucose tolerance test (OGTT) and insulin was done for 90 min, and the changes in the levels of GLP-1, GIP, and DPP-IV activities were monitored in fasting and postprandial states. In the case of the diabetic model, DPP-IV activity was measured in intestinal homogenate and basal insulin in plasma. The components of PTWE were analyzed via HPLC-MS based on their chemical formula, molecular mass, and retention time. Using the molecular docking study, we have selected the top five components having strong binding energy with DPP-IV. Results: The increase in secretion of GLP-1 and GIP was significantly higher in the postprandial state when compared to fasting condition. GLP-1 plasma concentration increased by 5.8 and 2.9 folds and GIP increased by 8.7 and 2.4 folds in PTWE and control rats, respectively. In contrast, the postprandial decrease in DPP-IV specific activities was recorded at 2.3 and 1.4 folds. The response in OGTT and insulin was also consistent with these changes. In comparison to diabetic controls, PTWE-administered rats showed decreased DPP-IV activity in the intestine, leading to enhanced basal insulin concentration. Through molecular docking, we found Puerarone and Robinin to be the most potential phytochemicals of PTWE for DPP-IV inhibition. Binding energy (kcal/mol) and dissociation constant (pM) of Robinin with DPP-IV protein were found to be 7.543 and 2,957,383.75, respectively. For Puerarone, it was 7.376 and 3,920,309, respectively. Conclusions: Thus, this study provides the novel active components that contribute to the DPP-IV inhibitory property of PTWE. PMID- 29201860 TI - Modulating Host Signaling Pathways to Promote Resistance to Infection by Candida albicans. AB - Candida albicans is a common human fungal pathogen capable of causing serious systemic infections that can progress to become lethal. Current therapeutic approaches have limited effectiveness, especially once a systemic infection is established, in part due to the lack of an effective immune response. Boosting the immune response to C. albicans has been the goal of immunotherapy, but it has to be done selectively to prevent deleterious hyperinflammation (sepsis). Although an efficient inflammatory response is necessary to fight infection, the typical response to C. albicans results in collateral damage to tissues thereby exacerbating the pathological effects of infection. For this reason, identifying specific ways of modulating the immune system holds promise for development of new improved therapeutic approaches. This review will focus on recent studies that provide insight using mutant strains of mice that are more resistant to bloodstream infection by C. albicans. These mice are deficient in signal transduction proteins including the Jnk1 MAP kinase, the Cbl-b E3 ubiquitin ligase, or the Sts phosphatases. Interestingly, the mutant mice display a different response to C. albicans that results in faster clearance of infection without hyper-inflammation and collateral damage. A common underlying theme between the resistant mouse strains is loss of negative regulatory proteins that are known to restrain activation of cell surface receptor-initiated signaling cascades. Understanding the cellular and molecular mechanisms that promote resistance to C. albicans in mice will help to identify new approaches for improving antifungal therapy. PMID- 29201863 TI - Predictive Assessment of Cancer Center Catchment Area from Electronic Health Records. AB - Healthcare facilities (HF) may identify catchment areas (CA) by selecting criteria that depend on various factors. These refer to hospital activities, geographical definition, patient covariates, and more. The analyses that were traditionally pursued have a limiting factor in the consideration of only static conditions. Instead, some of the CA determinants involve influences occurring at both temporal and spatial scales. The study of CA in the cancer context means choosing between HF, usually divided into general hospitals versus oncological centers (OCs). In the CA context, electronic health records (EHRs) promise to be a valuable source of information, one driving the next-generation patient-driven clinical decision support systems. Among the challenges, digital health requires the re-definition of a role of stochastic modeling to deal with emerging complexities from data heterogeneity. To model CA with cancer EHR, we have chosen a computational framework centered on a logistic model, as a reference, and on a multivariate statistical approach. We also provided a battery of tests for CA assessment. Our results indicate that a more refined CA model's structure yields superior discrimination power between health facilities. The increased significance was also visualized by comparative evaluations with ad hoc geo localized maps. Notably, a cancer-specific spatial effect can be noticed, especially for breast cancer and through OCs. To mitigate the data distributional influences, bootstrap analysis was performed, and gains in some cancer-specific and spatially concentrated regions were obtained. Finally, when the temporal dynamics are assessed along a 3-year timeframe, negligible differential effects appear between predicted probabilities observed between standard critical values and bootstrapped values. In conclusion, for interpreting CA in terms of both spatial and temporal dynamics, sophisticated models are required. The one here proposed suggests that bootstrap can improve test accuracy. We recommend that evidences from stochastic modeling are merged with visual analytics, as this combination may be exploited by policy-makers in support to quantitative CA assessment. PMID- 29201862 TI - The Influence of Different Caregivers on Infant Growth and Development in China. AB - Objective: An increasing number of parents in China ask grandparents or babysitters to care for their children. Modern parents are often the only child in their family because of China's One-Child Policy and thus may lack interaction with siblings. Accordingly, the present study aimed to explore whether different caregivers affect the physical and development of infants in China. Methods: In total, 2,514 infants were enrolled in our study. We assessed their weight-for age, supine length-for-age, weight-for-length, occipital-frontal circumference, and Denver Developmental Screening Test (DDST) results and recorded their general parental information and their primary caregivers. Results: The weights and lengths of 12-month-old infants under the care of babysitters were significantly lower than those of infants under the care of parents or grandparents (P < 0.05). Additionally, 12-month-old infants under the care of babysitters had the lowest DDST pass rate (75%) among the three groups (chi2 = 11.819, P = 0.012), especially for the fine motor-adaptive and language domains. Compared to 12-month old infants under the care of parents and babysitters, infants under the care of grandparents were more likely to be overweight or obese (P < 0.001). Conclusion: The study showed that caregivers had a dominant role in the physical and cognitive development of the infants. Specifically, compared with infants raised by grandparents and parents, 12-month-old infants under the care of babysitters had partially suppressed lengths and weights and lagged cognitively. The 12-month old infants under the care of grandparents were more overweight than those cared for by parents and babysitters. PMID- 29201865 TI - An Inexpensive High-Temporal Resolution Electronic Sun Journal for Monitoring Personal Day to Day Sun Exposure Patterns. AB - Exposure to natural sunlight, specifically solar ultraviolet (UV) radiation contributes to lifetime risks of skin cancer, eye disease, and diseases associated with vitamin D insufficiency. Improved knowledge of personal sun exposure patterns can inform public health policy; and help target high-risk population groups. Subsequently, an extensive number of studies have been conducted to measure personal solar UV exposure in a variety of settings. Many of these studies, however, use digital or paper-based journals (self-reported volunteer recall), or employ cost prohibitive electronic UV dosimeters (that limit the size of sample populations), to estimate periods of exposure. A cost effective personal electronic sun journal (ESJ) built from readily available infrared photodiodes is presented in this research. The ESJ can be used to complement traditional UV dosimeters that measure total biologically effective exposure by providing a time-stamped sun exposure record. The ESJ can be easily attached to clothing and data logged to personal devices (including fitness monitors or smartphones). The ESJ improves upon self-reported exposure recording and is a cost effective high-temporal resolution option for monitoring personal sun exposure behavior in large population studies. PMID- 29201864 TI - A Review of the Mycotoxin Enniatin B. AB - Mycotoxin enniatin B (ENN B) is a secondary metabolism product by Fusarium fungi. It is a well-known antibacterial, antihelmintic, antifungal, herbicidal, and insecticidal compound. It has been found as a contaminant in several food commodities, particularly in cereal grains, co-occurring also with other mycotoxins. The primary mechanism of action of ENN B is mainly due to its ionophoric characteristics, but the exact mechanism is still unclear. In the last two decades, it has been a topic of great interest since its potent mammalian cytotoxic activity was demonstrated in several mammalian cell lines. Moreover, the co-exposure in vitro with other mycotoxins enhances its toxic potential through synergic effects, depending on the concentrations tested. Despite its clear cytotoxic effect, European Food Safety Authority stated that acute exposure to ENNs, such as ENN B, does not indicate concern for human health, but a concern might be the chronic exposure. However, given the lack of relevant toxicity data, no firm conclusion could be drawn and a risk assessment was not possible. In fact, very few studies have been carried out in vivo and, in these studies, no adverse effects were observed. So, research on toxicological effects induced by ENN B is still on-going. Recently, some studies are dealing with new advances regarding ENN B. This review summarizes the information on biochemical and biological activity of ENN B, focusing on toxicological aspects and on the latest advances in research on ENN B. PMID- 29201866 TI - Getting Lost Behavior in Patients with Mild Alzheimer's Disease: A Cognitive and Anatomical Model. AB - Background: Getting lost behavior (GLB) in the elderly is believed to involve poor top-down modulation of visuospatial processing, by impaired executive functions. However, since healthy elderly and elderly with Alzheimer's disease (AD) experience a different pattern of cognitive decline, it remains unclear whether this hypothesis can explain GLB in dementia. Objective: We sought to identify whether poor executive functions and working memory modulate the relationship between visuospatial processing and prevalence of GLB in healthy elderly and patients with AD. Complementary to this, we explored whether brain regions critical for executive functions modulate the relationship between GLB and brain regions critical for visuospatial processing. Method: Ninety-two participants with mild AD and 46 healthy age-matched controls underwent neuropsychological assessment and a structural MRI. GLB was assessed using a semistructured clinical interview. Path analysis was used to explore interactions between visuospatial deficits, executive dysfunction/working memory, and prevalence of GLB, in AD and controls independently. Results: For both healthy controls and patients with mild AD, visuospatial processing deficits were associated with GLB only in the presence of poor working memory. Anatomically, GLB was associated with medial temporal atrophy in patients with mild AD, which was not strengthened by low frontal gray matter (GM) volume as predicted. Instead, medial temporal atrophy was more strongly related to GLB in patients with high frontal GM volumes. For controls, GLB was not associated with occipital, parietal, medial temporal, or frontal GM volume. Conclusion: Cognitively, a top-down modulation deficit may drive GLB in both healthy elderly and patients with mild AD. This modulation effect may be localized in the medial temporal lobe for patients with mild AD. Thus, anatomical substrates of GLB in mild AD may not follow the typical top-down modulation mechanisms often reported in the healthy aging population. Implications advance therapeutic practices by highlighting the need to target both working memory and visuospatial deficits simultaneously, and that anatomical substrates of GLB may be disease specific. PMID- 29201867 TI - Inhibiting DNA Polymerases as a Therapeutic Intervention against Cancer. AB - Inhibiting DNA synthesis is an important therapeutic strategy that is widely used to treat a number of hyperproliferative diseases including viral infections, autoimmune disorders, and cancer. This chapter describes two major categories of therapeutic agents used to inhibit DNA synthesis. The first category includes purine and pyrmidine nucleoside analogs that directly inhibit DNA polymerase activity. The second category includes DNA damaging agents including cisplatin and chlorambucil that modify the composition and structure of the nucleic acid substrate to indirectly inhibit DNA synthesis. Special emphasis is placed on describing the molecular mechanisms of these inhibitory effects against chromosomal and mitochondrial DNA polymerases. Discussions are also provided on the mechanisms associated with resistance to these therapeutic agents. A primary focus is toward understanding the roles of specialized DNA polymerases that by pass DNA lesions produced by DNA damaging agents. Finally, a section is provided that describes emerging areas in developing new therapeutic strategies targeting specialized DNA polymerases. PMID- 29201869 TI - A Knot Polynomial Invariant for Analysis of Topology of RNA Stems and Protein Disulfide Bonds. AB - Knot polynomials have been used to detect and classify knots in biomolecules. Computation of knot polynomials in DNA and protein molecules have revealed the existence of knotted structures, and provided important insight into their topological structures. However, conventional knot polynomials are not well suited to study RNA molecules, as RNA structures are determined by stem regions which are not taken into account in conventional knot polynomials. In this study, we develop a new class of knot polynomials specifically designed to study RNA molecules, which considers stem regions. We demonstrate that our knot polynomials have direct structural relation with RNA molecules, and can be used to classify the topology of RNA secondary structures. Furthermore, we point out that these knot polynomials can be used to model the topological effects of disulfide bonds in protein molecules. PMID- 29201868 TI - The Scope of Big Data in One Medicine: Unprecedented Opportunities and Challenges. AB - Advances in high-throughput molecular biology and electronic health records (EHR), coupled with increasing computer capabilities have resulted in an increased interest in the use of big data in health care. Big data require collection and analysis of data at an unprecedented scale and represents a paradigm shift in health care, offering (1) the capacity to generate new knowledge more quickly than traditional scientific approaches; (2) unbiased collection and analysis of data; and (3) a holistic understanding of biology and pathophysiology. Big data promises more personalized and precision medicine for patients with improved accuracy and earlier diagnosis, and therapy tailored to an individual's unique combination of genes, environmental risk, and precise disease phenotype. This promise comes from data collected from numerous sources, ranging from molecules to cells, to tissues, to individuals and populations-and the integration of these data into networks that improve understanding of heath and disease. Big data-driven science should play a role in propelling comparative medicine and "one medicine" (i.e., the shared physiology, pathophysiology, and disease risk factors across species) forward. Merging of data from EHR across institutions will give access to patient data on a scale previously unimaginable, allowing for precise phenotype definition and objective evaluation of risk factors and response to therapy. High-throughput molecular data will give insight into previously unexplored molecular pathophysiology and disease etiology. Investigation and integration of big data from a variety of sources will result in stronger parallels drawn at the molecular level between human and animal disease, allow for predictive modeling of infectious disease and identification of key areas of intervention, and facilitate step-changes in our understanding of disease that can make a substantial impact on animal and human health. However, the use of big data comes with significant challenges. Here we explore the scope of "big data," including its opportunities, its limitations, and what is needed capitalize on big data in one medicine. PMID- 29201870 TI - Factors that influence blood loss and need for transfusion following total knee arthroplasty. AB - Background: Blood loss during total knee arthroplasty (TKA) remains a concern, as many patients require blood transfusions, which increase risks of allergic reactions, disease transmission, and thromboembolisms. The purpose was to determine factors associated with blood loss and need for transfusion in patients receiving routine TKA. Methods: The authors prospectively analyzed 150 consecutive uncemented TKAs for age, gender, body mass index (BMI), anticoagulant medication, type of anesthesia, tranexamic acid (TXA) administration, tourniquet inflation, drain placement, pre- and post-operative Haemoglobin (Hb) level (g/dL), and whether transfusion was necessary. Univariable and multivariable regression analyses were performed to identify factors associated with Hb loss and need for transfusion with significance level set at P value<0.05. Results: The cohort comprised 92 women and 58 men, aged 69.5+/-8.9 years. The mean Hb loss was 3.7+/-1.3 g/dL. The 20 patients (13%) who had transfusions also had lower preoperative Hb (12.6+/-1.2 g/dL) compared to the remaining patients (14.3+/-1.2 g/dL). Hb loss was significantly associated with preoperative Hb, TXA, and gender, but multivariable regression identified gender as a confounder and indicated that TXA reduced Hb loss by 0.92 g/dL. Multivariable regression revealed the need for transfusion was only significantly associated with preoperative Hb and indicated that a decrease of preoperative Hb by 1 g/dL nearly quadrupled the chances of needing transfusion. Conclusions: Hb loss was significantly associated with preoperative Hb levels and use of TXA, while the need for transfusion was only associated with preoperative Hb levels. These findings could help identify patients at risk for blood transfusions. Level of evidence: level III, prospective case series. PMID- 29201872 TI - Establishing an evaluation mode with multiple primary outcomes based on combination of diseases and symptoms in TCM clinical trials. AB - The development of a scientific evaluation tool is a prerequisite to reflect the efficacy of traditional Chinese medicine (TCM). At present, separate analysis of each outcome is the most commonly used method in randomized controlled trials (RCTs) of TCM, while this method has been reported to have some limitations. Combination evaluation of multiple primary outcomes including diseases and symptoms can reflect the efficacy of TCM comprehensively and objectively. Now, several multivariate statistical methods have been proposed to analyze RCTs with multiple clinical outcomes. In this article, we highlighted the two commonly used methods, global statistical test (GST) methodology and alpha-adjustment procedures, and introduced an evaluation mode. First, we used one stage adaptive adjustment strategy to estimate the correlation among multiple primary outcomes in blindness, which can resolve the inappropriate correlation estimation among multiple primary outcomes, then we introduced an adaptation of the Bonferroni procedure which can account for correlated data to calculate the alpha of individual outcome. GST using O'Brien ranking procedure and the corresponding global treatment effect (GTE) measure were used to assess the treatment's global impact. We will conduct a randomized, double-blind, controlled trial with compound Danshen dripping pills for stable angina to explore establishing the evaluation mode. We hope that the introduction of this approach can provide methodological aid for the assessment of therapeutic effect of TCM. PMID- 29201871 TI - Calcitonin gene-related peptide: neuroendocrine communication between the pancreas, gut, and brain in regulation of blood glucose. AB - Background: Calcitonin gene-related peptide (CGRP), a ubiquitous neuropeptide, plays a diverse and intricate role in chronic low-grade inflammation, including conditions such as obesity, type 2 diabetes, and diabetes of the exocrine pancreas. Diabetes of exocrine pancreas is characterised by chronic hyperglycemia and is associated with persistent low-grade inflammation and altered secretion of certain pancreatic and gut hormones. While CGRP may regulate glucose homeostasis and the secretion of pancreatic and gut hormones, its role in chronic hyperglycemia after acute pancreatitis (CHAP) is not known. The aim of this study was to investigate the association between CGRP and CHAP. Methods: Fasting blood samples were collected to measure insulin, HbA1c, CGRP, amylin, C-peptide, glucagon, pancreatic polypeptide (PP), somatostatin, gastric inhibitory peptide, glicentin, glucagon-like peptide-1 and 2, and oxyntomodulin. Modified Poisson regression analysis and linear regression analyses were conducted. Five statistical models were used to adjust for demographic, metabolic, and pancreatitis-related risk factors. Results: A total of 83 patients were recruited. CGRP was significantly associated with CHAP in all five models (P trend <0.005). Further, it was significantly associated with oxyntomodulin (P<0.005) and glucagon (P<0.030). Oxyntomodulin and glucagon independently contributed 9.7% and 7%, respectively, to circulating CGRP variance. Other pancreatic and gut hormones were not significantly associated with CGRP. Conclusions: CGRP is involved in regulation of blood glucose in individuals after acute pancreatitis. This may have translational implications in prevention and treatment of diabetes of the exocrine pancreas. PMID- 29201873 TI - An innovative robotic platform for magnetically-driven painless colonoscopy. AB - Colorectal cancer (CRC) represents a significant medical threat with a dramatic impact on the healthcare system with around 1.3 million patients worldwide, causing more than 700 thousand deaths annually. A key-aspect to successful and cost-effective disease management is represented by the early detection of CRC at asymptomatic stage. For this reason, population screening is highly recommended for patients older than 50 years or at high risk for familiarity. Currently, the standard endoscopic techniques do not meet this need. In recent years, innovative endoscopic robotic techniques and active locomotion devices have been developed as alternatives to conventional colonoscopy. The magnetically-driven robotic platform, presented by the authors, is conceived to perform less invasive and more comfortable colonoscopy with the aim to promote screening campaigns for detection of early colorectal neoplasm. PMID- 29201874 TI - A global perspective on capsule endoscopy. AB - A search of the internet today to quantify the estimated value of capsules from a global perspective, easily delivers figures stating around $200 million in 2014 to about $400 million by 2020, which would be approximately 10% of the gastrointestinal endoscopic market. Is this a steep rise within just six years or could the capsule market do even better? What chances does this offer and what are the key aspects for future success? By 2020, more than 1 billion people are aged sixty or older and around one third of them will live in what the UN calls "more developed regions". Naturally, this brings an increased demand for colorectal cancer screening and surgery. But keeping in mind that basically every healthcare system, in any country, is already operating at its limits, how do we secure future treatment for a growing community? Surely more competition will steadily bring down prices for capsules. However, that does not ease the amount of time that is spent to properly read any video and issue a valid diagnosis for every patient. This article intends to give an overview about the current global market for capsule endoscopy (CE) with a perspective on typical patients, their indications, and how the capsules are used and by whom. Further aspects, such as standardization of training, reading and future trends will also be elaborated on. PMID- 29201875 TI - Surgical treatment of synchronous multiple neuroendocrine lung tumours (case series): is more always better? AB - Pulmonary neuroendocrine lung tumours are uncommon neoplasm; the presence of multiple and synchronous lesions is rare, and few case report are described in the literature. We present a case series of three patients without particular symptom and radiologic finding of multiple synchronous pulmonary nodules. All the patients underwent surgical treatment; histopathologic examination revealed typical carcinoid tumours in all three cases (one patient has a synchronous atypical carcinoid). No oncological progressions were observed at follow-up. A review of current literature is also presented with a suggested strategy management. PMID- 29201876 TI - EGFR mutation positive non-small cell lung cancer: can we identify predictors of benefit from immune checkpoint inhibitors. PMID- 29201877 TI - Eravacycline for treatment of complicated intra-abdominal infections: the fire is not ignited! PMID- 29201879 TI - Treatment recommendations by clinicians in stage I non-small cell lung cancer: better work-up leads to less discussion. PMID- 29201878 TI - Radiotherapy treatment strategies for squamous cell carcinoma of the cervical oesophagus: moving toward better outcomes. PMID- 29201880 TI - Towards a comprehensive framework for cell-free DNA analysis: lessons from TRACERx. PMID- 29201881 TI - Fasting and engineered diets as powerful tool in the medical practice: an old approach in the new era. PMID- 29201882 TI - Remote home monitoring to identify and prevent diabetic foot ulceration. PMID- 29201883 TI - The role of foot collateral vessels on angiosome-oriented revascularization. PMID- 29201884 TI - Increased cancer-specific mortality in individuals developing mental disorders after cancer diagnosis: biomedical factors versus psychosocial support. PMID- 29201885 TI - Alectinib can replace crizotinib as standard first-line therapy for ALK-positive lung cancer. PMID- 29201886 TI - Very early antiretroviral therapy permits CD8 T cells to keep HIV reservoirs at bay. PMID- 29201887 TI - The evidence system of traditional Chinese medicine based on the Grades of Recommendations Assessment, Development and Evaluation framework. PMID- 29201888 TI - Development of scoring system for risk stratification in clinical medicine: a step-by-step tutorial. AB - Risk scores play an important role in clinical medicine. With advances in information technology and availability of electronic healthcare record, scoring systems of less commonly seen diseases and population can be developed. The aim of the article is to provide a tutorial on how to develop and validate risk scores based on a virtual dataset by using R software. The dataset we generated including numeric and categorical variables and firstly the numeric variables would be converted to factor variables according to cutoff points identified by the LOESS smoother. Then risk points of each variable, which are related to the coefficients in logistic regression, are assigned to each level of the converted factor variables and other categorical variables. Finally, the total score is calculated for each subject to represent the prediction of the outcome event probability. The original dataset is split into training and validation subsets. Discrimination and calibration are evaluated in the validation subset. R codes with explanations are presented in the main text. PMID- 29201889 TI - Treating our patients with compassion & respect: interview with Dr. Zhaolin Lu of the Department of Endocrinology of Peking Union Medical College Hospital. PMID- 29201890 TI - Pareidolias in idiopathic RBD-an author response letter to the Editorial "What the 'man in the moon' can tell us about the future of our brains". PMID- 29201891 TI - Morbidity, mortality, and obesity paradox. PMID- 29201892 TI - Comment on "Mobile phone radiofrequency exposure has no effect on DNA double strand breaks (DSB) in human lymphocytes". PMID- 29201893 TI - Evidence of the Complexity of Gene Expression Analysis in Fish Wild Populations. AB - The present work examines the induction of the band 3 anion transport protein, mitogen-activated protein kinase, and lactate dehydrogenase, respectively related to osmolyte transport, cell volume regulation, and energy production in the gills of two tilapia strains exposed to either freshwater or hypersaline water. Overall, genes showed similar expression patterns between strains. However, a wild population survey across a range of natural habitats and salinities did not reveal the expected patterns. Although significant, the correlations between gene expression and salinity were slightly ambiguous and did not show any link with phenotypic differences in life history traits previously reported between the same populations. The differential expression was also not associated with the population genetic structure inferred from neutral markers. The results suggest that the differential expression observed is not the result of evolutionary forces such as genetic drift or adaptation by natural selection. Instead, it can be speculated that genes responded to various abiotic and biotic stressors, including factors intrinsic to animals. This study provides clear evidence of the complexity of gene expression analysis in wild populations and shows that more attention needs to be paid when selecting candidates as potential biomarkers for monitoring adaptive responses to a specific environmental perturbation. PMID- 29201894 TI - Genetics of Marbling in Wagyu Revealed by the Melting Temperature of Intramuscular and Subcutaneous Lipids. AB - Extreme marbling or intramuscular deposition of lipid is associated with Wagyu breeds and is therefore assumed to be largely inherited. However, even within 100% full blood Wagyu prepared under standard conditions, there is unpredictable scatter of the degree of marbling. Here, we evaluate melting temperature (Tm ) of intramuscular fat as an alternative to visual scores of marbling. We show that "long fed" Wagyu generally has Tm below body temperature but with a considerable range under standardized conditions. Individual sires have a major impact indicating that the variation is genetic rather than environmental or random error. In order to measure differences of lower marbling breeds and at shorter feeding periods, we have compared Tm in subcutaneous fat samples from over the striploin. Supplementary feeding for 100 to 150 days leads to a rapid decrease in Tm of 50% Red Wagyu (Akaushi) : 50% European crosses, when compared to 100% European. This improvement indicates that the genetic effect of Wagyu is useful, predictable, and highly penetrant. Contemporaneous DNA extraction does not affect the measurement of Tm . Thus, provenance can be traced and substitution can be eliminated in a simple and cost-effective manner. PMID- 29201895 TI - Exploring the Urtica dioica Leaves Hemostatic and Wound-Healing Potential. AB - The present paper investigated the efficiency of Urtica dioica (U. dioica) on hemostatic and wound healing activities. U. dioica leaf extracts were evaluated for their antibacterial and antioxidant effects as well as their flavonoid and polyphenol content. The hydroethanolic extract (EtOH-H2OE), showing the most potent antibacterial and antioxidant activities in vitro, thanks to its flavonoid and polyphenol richness, was selected for hemostatic and wound healing evaluation. Twenty-four rats completing full-thickness wounds were split into four groups. The wounds were topically treated with saline solution, glycerol, "CICAFLORA," and U. dioica EtOH-H2OE (50 uL/mm2) until day 11. The wound healing effect was assessed by macroscopic, histological, and biochemical parameters. Rats treated with EtOH-H2OE showed fast wound closure (92.39%) compared to the control animals (60.91%) on the 11th day of wounding (P < 0.01). Histopathological and biochemical explorations showed full epidermal regeneration and an improvement of the hydroxyproline content in the U. dioica EtOH-H2OE treated rats. Analysis of fatty acids and sterols by GC-MS showed the presence of unsaturated fatty acids and a high concentration of lupeol known for their involvement in reepithelialization. These results prove the efficiency of U. dioica EtOH-H2OE in wound healing and supported its traditional use. PMID- 29201896 TI - Effect of Glycine, Pyruvate, and Resveratrol on the Regeneration Process of Postischemic Intestinal Mucosa. AB - Background: Intestinal ischemia is often caused by a malperfusion of the upper mesenteric artery. Since the intestinal mucosa is one of the most rapidly proliferating organs in human body, this tissue can partly regenerate itself after the onset of ischemia and reperfusion (I/R). Therefore, we investigated whether glycine, sodium pyruvate, and resveratrol can either support or potentially harm regeneration when applied therapeutically after reperfusion injury. Methods: I/R of the small intestine was initiated by occluding and reopening the upper mesenteric artery in rats. After 60 min of ischemia and 300 min of reperfusion, glycine, sodium pyruvate, or resveratrol was administered intravenously. Small intestine regeneration was analyzed regarding tissue damage, activity of saccharase, and Ki-67 positive cells. Additionally, systemic parameters and metabolic ones were obtained at selected periods. Results: Resveratrol failed in improving the outcome after I/R, while glycine showed a partial beneficial effect. Sodium pyruvate ameliorated metabolic acidosis, diminished histopathologic tissue injury, and increased cell proliferation in the small intestine. Conclusion: While glycine could improve in part regeneration but not proliferation, sodium pyruvate seems to be a possible therapeutic agent to facilitate proliferation and to support mucosal regeneration after I/R injury to the small intestine. PMID- 29201897 TI - Combined Treatment with an Anticoagulant and a Vasodilator Prevents Steroid Associated Osteonecrosis of Rabbit Femoral Heads by Improving Hypercoagulability. AB - Steroid-associated osteonecrosis of the femoral head remains a challenging problem in orthopedics worldwide. One pathomechanism is ischemia of the femoral head, as a result of thrombus formation and vasoconstriction. The present study investigates the effects of combination prevention with enoxaparin and EGb 761 on steroid-associated ONFH in rabbits. Rabbits were randomly divided into 5 groups (control group, model group, enoxaparin group, ginkgo group, and combination group). With the exception of the control group, the groups of rabbits were modeled with lipopolysaccharide and methylprednisolone acetate. Starting with modeling, the enoxaparin group and ginkgo group were injected with 1 MUg/kg/day enoxaparin subcutaneously and orally given 40 mg/kg/day EGb 761 for 4 weeks, respectively; the combination group received both treatments. After modeling for 6 weeks, the hematology data indicated prolonged PT and APTT in the three prevention groups. The micro-CT examination revealed higher bone density and better structure; histomorphometry revealed significant pathological changes. Immunohistochemistry revealed higher expression of BMP-2 and VEGF, thus revealing better osteogenesis and angiogenesis activities. Among the three prevention groups, the combination group had the most efficient results. In conclusion, the combined prevention with an anticoagulant and a vasodilator has the potential to decrease the incidence of steroid-associated ONFH in rabbits. PMID- 29201898 TI - Small Molecule Supplements Improve Cultured Megakaryocyte Polyploidization by Modulating Multiple Cell Cycle Regulators. AB - Platelets (PLTs) are produced by megakaryocytes (MKs) that completed differentiation and endomitosis. Endomitosis is an important process in which the cell replicates its DNA without cytokinesis and develops highly polyploid MK. In this study, to gain a better PLTs production, four small molecules (Rho-Rock inhibitor (RRI), nicotinamide (NIC), Src inhibitor (SI), and Aurora B inhibitor (ABI)) and their combinations were surveyed as MK culture supplements for promoting polyploidization. Three leukemia cell lines as well as primary mononuclear cells were chosen in the function and mechanism studies of the small molecules. In an optimal culture method, cells were treated with different small molecules and their combinations. The impact of the small molecules on megakaryocytic surface marker expression, polyploidy, proliferation, and apoptosis was examined for the best MK polyploidization supplement. The elaborate analysis confirmed that the combination of SI and RRI together with our MK induction system might result in efficient ploidy promotion. Our experiments demonstrated that, besides direct downregulation on the expression of cytoskeleton protein actin, SI and RRI could significantly enhance the level of cyclins through the suppression of p53 and p21. The verified small molecule combination might be further used in the in vitro PLT manufacture and clinical applications. PMID- 29201899 TI - Cephalometric Soft Tissue Characteristics of Unilateral Cleft Lip and Palate Patients in Relation to Missing Teeth. AB - Objective: This study aimed to evaluate cephalometric soft tissue characteristics in individuals with unilateral complete cleft lip and palate (UCCLP) both with and without missing teeth. Design: A retrospective investigation of patient records, who are being treated at the cleft lip and palate (CLP) clinics at the College of Dentistry. Ninety-six consecutive records of nonsyndromic UCCLP subjects were recruited (33 subjects without missing teeth and 63 subjects with missing teeth). Linear and angular soft tissue measurements obtained from lateral cephalometric radiographs were evaluated and compared among the studied samples. Results: Lower lip was significantly retruded and shorter (p = 0.037), p = 0.015, respectively; in addition to the fact that shallower mentolabial sulcus (p = 0.05) was found in the subjects with missing teeth, the rest of the soft tissue was not significantly different between the two groups. Conclusion: In subjects with a UCCLP anomaly, missing teeth have an effect on lower lip position and length, which influenced the mentolabial sulcus. Lower lip position and length differ between cleft patients who present with either multiple missing teeth or with no missing teeth, and this needs to be considered during orthodontic treatment planning and surgical management for the cleft defect. PMID- 29201900 TI - Abdominal Wall Reconstruction after Flap Surgery and the Effect on the Immune System. AB - Background: The aim of our study was to investigate the impact of abdominal wall reconstruction surgery on tissue anatomy and to explore how flap surgery influences the patient's immune status. Methods: Experimental abdominal wall defects were created in 8 Sus scrofa (swine) animal models. The animals were divided into two groups: 4 swine were euthanized one month after surgery for the biopsies retrieval purpose and the other 4 swine were kept alive and the collection of blood samples has been done 6 months after surgery. In order to evaluate the relative gene expression in operated-on animal cohorts we compared them with samples from 4 healthy swine used as controls. Results: The inflammatory process was present in all types of repairs. Collagen I deposition was higher in the flap repairs. The expression level for the genes related to immune response after 6 months from surgery was relatively similar to the control group except minor alteration registered in the case of two swine models. Conclusion: Our findings indicate a less pronounced proinflammatory response to surgical trauma in animal models after flap surgery. The postoperative levels of the inflammatory cytokines did not show significant differences after abdominal wall reconstruction using flap surgery. PMID- 29201901 TI - Development of an Indirect ELISA and Dot-Blot Assay for Serological Detection of Rice Tungro Disease. AB - Rice tungro disease (RTD) is one of the most destructive diseases of rice in South and Southeast Asia. RTD is routinely detected based on visual observation of the plant. However, it is not always easy to identify the disease in the field as it is often confused with other diseases or physiological disorders. Here we report the development of two serological based assays for ease of detection of RTD. In this study we had developed and optimized an indirect ELISA and dot-blot assay for detection of RTD. The efficiency of both assays was evaluated by comparing the specificity and sensitivity of the assays to PCR assay using established primer sets. The indirect ELISA showed 97.5% and 96.6%, while the dot blot assay showed 97.5% and 86.4% sensitivity and specificity, respectively, when compared to established PCR method. The high sensitivity and specificity of the two assays merit the use of both assays as alternative methods to diagnose RTD. Furthermore, the dot-blot assay is a simple, robust, and rapid diagnostic assay that is suitable for field test for it does not require any specialized equipment. This is a great advantage for diagnosing RTD in paddy fields, especially in the rural areas. PMID- 29201902 TI - In Vivo Studies on the Influence of Bacteriophage Preparations on the Autoimmune Inflammatory Process. AB - Phage preparations used for phage therapy may have not only direct antibacterial action but also immunomodulating effects mediated by phages themselves as well as by bacterial antigens. Therefore phage application in patients with immune disorders, and especially with autoimmune diseases, requires special attention. The aim of this study was to investigate the effect of phage lysates (staphylococcal phages A3/R, phi200, and MS-1 cocktail, enterococcal phage 15/P, Pseudomonas phage 119x, and E. coli T4 phage) as well as purified T4 phage on the course of murine collagen-induced arthritis (CIA), commonly used as an animal model of rheumatoid arthritis. Intraperitoneal application of phage lysates or purified T4 phage did not aggravate the course of autoimmune joint disease. Moreover, although endotoxins are known to potentiate CIA, the systemic administration of phage lysate of Pseudomonas aeruginosa, which contains debris of this Gram-negative bacillus, did not significantly influence CIA although the sonicate of the corresponding bacterial strain did. Interestingly, a purified T4 phage revealed some anti-inflammatory activity when applied under the therapeutic scheme. Our preliminary results do not suggest that phages may aggravate the symptoms of rheumatoid arthritis. In contrast T4 phage may even exert an immunosuppressive effect. PMID- 29201903 TI - Cryoablation of Primary Breast Cancer in Patients with Metastatic Disease: Considerations Arising from a Single-Centre Data Analysis. AB - Background: Patients presenting with stage IV breast cancer might benefit by removal of the primary tumor. We report our experience with CT-guided cryoablation of the primary tumor, with the aim of evaluating its role in this subgroup of patients. Patients and Methods: Data of 35 patients with mean age of 58 years with breast cancer at stage IV submitted to CT-guided cryoablation of the primary tumor between 2010 and 2016 were prospectively evaluated. All patients, except three, were preoperatively and postoperatively evaluated with breast MRI to assess the extent of tumor necrosis. Retreatment was performed in case of incomplete ablation. Results: Mean tumor size was 3.02 +/- 1.4 cm. Six patients had multicentric disease. Complete tumor necrosis was 85.7% and 100% at 2-month and 6-month follow-up, respectively, as 5 patients with tumors > 3 cm required a redo cryoablation. No patient developed major complications. Minor side effects occurred in 30 patients (82%). All patients were discharged the same day of the procedure. During a mean follow-up of 46 months (range 3-84), 7 patients (20%) experienced local recurrences that were treated with redo cryoablation, and 7 (20%) died for disease progression. Conclusions: Our results suggest that cryoablation of the primary tumor is safe and effective in the treatment of patients presenting with stage IV breast cancer. PMID- 29201905 TI - Evaluation of Resins for Stereolithographic 3D-Printed Surgical Guides: The Response of L929 Cells and Human Gingival Fibroblasts. AB - Additive manufacturing is becoming increasingly important in dentistry for the production of surgical guides. The development of cost-effective desktop stereolithography (SLA) printing systems and the corresponding resins makes this novel technique accessible to dental offices and dental laboratories. The aim of the study was to reveal the response of soft tissue cells to Clear and Dental SG resins used in desktop SLA printing systems at different stages of processing. Cell activity of L929 cells and gingival fibroblasts (GF) in response to the materials was examined in indirect and direct monolayer culture models and a direct spheroid culture model based on MTT, resazurin-based toxicity assays, and live-dead staining. Overall we found that the impact of Clear and Dental SG resins on L929 and GF depends on the processing stage of the materials. Liquid Clear resin induced a stronger reduction of cell activity compared to Dental SG resin. Printing and postcuring reduced the impact on cell activity and viability. As in-house 3D printing for surgical guides is getting integrated in the digital workflow, our data suggest that careful adherence to processing guidelines especially postcuring-is of clinical relevance. PMID- 29201904 TI - Correlation in the Coronal Angle between Knee and Hindfoot Was Observed in Patients with Rheumatoid Arthritis Unless Talocrural Joint Was Destroyed. AB - The purpose of this study is to investigate the compensatory correlation between knee and hindfoot in patients with rheumatoid arthritis (RA). This cross sectional study included 218 patients (407 lower extremities). Radiographs of the hindfoot and full-length posteroanterior hip-to-calcaneus standing radiographs were evaluated. The destruction of the hindfoot was evaluated using the Larsen grading system. The coronal angular deformity of the knee and hindfoot was evaluated by the femorotibial angle (FTA) and the angle between the tibial shaft and the entire hindfoot (tibiohindfoot angle, THFA). The correlation between FTA and THFA was determined by Pearson's coefficient. For all patients, FTA correlated to THFA (R = 0.28, p < 0.001). The correlation was observed as long as the talocrural joint was preserved (Larsen grade <= 2), even if the subtalar joint had been destroyed (Larsen grade >= 3). However, the correlation was not observed when the talocrural joint was destroyed (Larsen grade >= 3, R = -0.02, p = 0.94). The pain in the hindfoot did not correlate with FTA or THFA. In conclusion, a compensatory deformity of the hindfoot against the deformity of the knee was observed in RA, and the correlation was lost when talocrural joint was destroyed. PMID- 29201906 TI - Age-Adjusted D-Dimer in the Prediction of Pulmonary Embolism: Does a Normal Age Adjusted D-Dimer Rule Out PE? AB - Risk assessment for pulmonary embolism (PE) currently relies on physician judgment, clinical decision rules (CDR), and D-dimer testing. There is still controversy regarding the role of D-dimer testing in low or intermediate risk patients. The objective of the study was to define the role of clinical decision rules and D-dimer testing in patients suspected of having a PE. Records of 894 patients referred for computed tomography pulmonary angiography (CTPA) at a University medical center were analyzed. The clinical decision rules overall had an ROC of approximately 0.70, while signs of DVT had the highest ROC (0.80). A low probability CDR coupled with a negative age-adjusted D-dimer largely excluded PE. The negative predictive value (NPV) of an intermediate CDR was 86-89%, while the addition of a negative D-dimer resulted in NPVs of 94%. Thus, in patients suspected of having a PE, a low or intermediate CDR does not exclude PE; however, in patients with an intermediate CDR, a normal age-adjusted D-dimer increases the NPV. PMID- 29201907 TI - Developmental Testicular Expression, Cloning, and Characterization of Rat HDAC6 In Silico. AB - We had previously reported presence of histone deacetylase 6 (HDAC6) in sperm and demonstrated its tubulin deacetylase activity and role in sperm motility in rat. In the present study we report its abundant expression in testis, epididymis, accessory sex organs, brain, and adrenal. In the testis, HDAC6 transcript and protein were observed throughout development. We therefore cloned the gene from rat testis using primers for hdac6 (accession number XM_228753.8) in order to determine the role of acetylation/deacetylation in spermatogenesis. The cloned rat hdac6 gene is ~3.5 kb with 28 exons and 1152 amino acids. We noted 4 single nucleotide polymorphisms (SNPs) on exons 2 (G/A), 5 (A/G), 7 (T/C), and 26 (G/T), respectively, in this sequence when compared to XM_228753.8. These were further validated at both cDNA and gene level. These SNPs resulted in 2 amino acids changes, namely, glycine -> arginine and valine -> phenylalanine at protein level. Cloned hdac6 overexpressed in HEK293T cells demonstrated significant overexpression by IIF. Alpha-tubulin acetylation analysis of the overexpressed cell lysate demonstrated that the protein was bioactive. This is the first study showing the ontogenic expression in the testis and reporting experimentally validated sequence of rat HDAC6 and its structural and functional annotation in silico. This sequence has been submitted to GenBank (Accession number Rattus KY009929.1). PMID- 29201908 TI - Effect of a Carbohydrate-Rich Diet on Rat Detrusor Smooth Muscle Contractility: An Experimental Study. AB - Objectives: We aimed to investigate the effect of a carbohydrate-rich diet on detrusor contractility in rats. Materials and Methods: Sprague-Dawley rats were randomized into two groups. The control group received regular food and water. The study group received carbohydrate-rich diet for six weeks. The rats' detrusor muscle was isolated for pharmacological and histopathological examinations. Results: In the control and study groups, mean body weights were 431.5 +/- 27.6 g and 528.0 +/- 36.2 g, respectively (p < 0.001). Electrical stimulation of the detrusor strips of the control group resulted in gradual contraction. A decreased contractile response was shown in the study group. Acetylcholine in 10-7-10-3 molar concentration produced a decreased contractile response in the study group, compared to the control group (p < 0.01). The study group showed marked subepithelial and intermuscular fibrosis in the bladder. Conclusion: Carbohydrate rich diet causes marked subepithelial and extracellular fibrosis and changes in contractility in the detrusor within a six-week period. Changes have higher costs in therapeutic choices and correction of these changes remains difficult. Putting an end to carbohydrate-rich diet would seem to be more cost-effective than dealing with the effects of consuming it in high proportions which should be the national policy worldwide. PMID- 29201909 TI - Quantitative Serum Proteomic Analysis of Essential Hypertension Using iTRAQ Technique. AB - Essential hypertension (EH) is a risk factor for some severe diseases. This study aimed to screen out serum special proteins and seek interaction between them, which would provide new therapeutic targets and elucidate the comprehensive pathophysiological mechanism for EH. Patients with EH (Group A, n = 47) and healthy controls (HC) (Group B, n = 47) were recruited in this study. Serums from the two groups were analyzed with isobaric tags for relative and absolute quantitation coupled two-dimensional liquid chromatography followed by electrospray ionization-tandem mass spectrometry technique, while the candidate special proteins were verified with ELISA and western blot. A total of 404 proteins were identified, of which 30 proteins were upregulated (>1.2-fold, p < 0.05) and 81 proteins were downregulated (<0.833-fold, p < 0.05) compared with HC group. With GO, KEGG analysis, and literature retrieval, 4 proteins, cathepsin G, transforming growth factor beta-1, hyaluronidase-1, and kininogen-1, were found jointly involved in the renin-angiotensin-aldosterone system and kallikrein-kinin system. The profiles of these 4 candidate proteins were confirmed with ELISA and western blot. The concentration variation of these 4 proteins could better predict the occurrence and illustrate the pathophysiological mechanism of EH. And their discovery may help pave the way for exploring new therapies of EH. PMID- 29201910 TI - Body Schema Illusions: A Study of the Link between the Rubber Hand and Kinesthetic Mirror Illusions through Individual Differences. AB - Background: The well-known rubber hand paradigm induces an illusion by having participants feel the touch applied to a fake hand. In parallel, the kinesthetic mirror illusion elicits illusions of movement by moving the reflection of a participant's arm. Experimental manipulation of sensory inputs leads to emergence of these multisensory illusions. There are strong conceptual similarities between these two illusions, suggesting that they rely on the same neurophysiological mechanisms, but this relationship has never been investigated. Studies indicate that participants differ in their sensitivity to these illusions, which provides a possibility for studying the relationship between these two illusions. Method: We tested 36 healthy participants to confirm that there exist reliable individual differences in sensitivity to the two illusions and that participants sensitive to one illusion are also sensitive to the other. Results: The results revealed that illusion sensitivity was very stable across trials and that individual differences in sensitivity to the kinesthetic mirror illusion were highly related to individual differences in sensitivity to the rubber hand illusion. Conclusions: Overall, these results support the idea that these two illusions may be both linked to a transitory modification of body schema, wherein the most sensitive people have the most malleable body schema. PMID- 29201912 TI - Relationship between Activities of Daily Living and Readmission within 90 Days in Hospitalized Elderly Patients with Heart Failure. AB - Aims: To examine the relationship between activities of daily living (ADL) and readmission within 90 days and assess the cutoff value of ADL to predict readmission in hospitalized elderly patients with heart failure (HF). Methods: This cohort study comprised 589 consecutive patients with HF aged >=65 years, who underwent cardiac rehabilitation from May 2012 to May 2016 and were discharged home. We investigated patients' characteristics, basic attributes, and ADL (motor and cognitive Functional Independence Measure [FIM]). We analyzed the data using the unpaired t-test, chi2 test, Cox proportional hazard model, receiver operating characteristic (ROC) curve, and Kaplan-Meier method. Results: Of 589 patients, 113 met the criteria, and they were divided into the nonreadmission (n = 90) and readmission groups (n = 23). Age, body mass index, New York Heart Association class, hemoglobin level, and motor FIM score were significantly different between the two groups (p < 0.05). The body mass index (hazard ratio [HR]: 0.87; p < 0.05) and motor FIM score (HR: 0.94; p < 0.01) remained statistically significant. The cutoff value for the motor FIM score determined by ROC curve analysis was 74.5 points (area under the curve = 0.78; p < 0.001). Conclusion: The motor FIM score in elderly patients with HF was an independent predictor of rehospitalization within 90 days. PMID- 29201911 TI - Transmissible Gastroenteritis Virus Papain-Like Protease 1 Antagonizes Production of Interferon-beta through Its Deubiquitinase Activity. AB - Coronaviruses (CoVs), such as human coronavirus NL63 (HCoV-NL63), severe acute respiratory syndrome CoV (SARS-CoV), murine hepatitis virus (MHV), porcine epidemic diarrhea virus (PEDV), and Middle East Respiratory Syndrome Coronavirus (MERS-CoV), encode papain-like (PL) proteases that inhibit Sendai virus- (SeV-) induced interferon (IFN-beta) production. Recently, the crystal structure of transmissible gastroenteritis virus (TGEV) PL1 has been solved, which was similar to that of SARS-CoV PL2pro, which may antagonize host innate immunity. However, very little is known about whether TGEV PL1 can antagonize host innate immune response. Here, we presented evidence that TGEV PL1 encoded by the replicase gene could suppress the IFN-beta expression and inhibit the nuclear translocation of interferon regulatory factor 3 (IRF3). The ability to antagonize IFN-beta production was dependent on the intact catalytic activity of PL1. Furthermore, TGEV PL1 exerted deubiquitinase (DUB) activity which strongly inhibited the retinoic acid-induced gene I- (RIG-1-) and stimulator of interferon gene- (STING ) dependent IFN expression. Our data collectively suggest that TGEV PL1 can inhibit the IFN-beta expression and interfere with RIG-1- and STING-mediated signaling through a viral DUB activity. Our study has yielded strong evidence for the TGEV PL1 mechanisms that counteract the host innate immunity. PMID- 29201913 TI - Proanthocyanidins Attenuation of H2O2-Induced Oxidative Damage in Tendon-Derived Stem Cells via Upregulating Nrf-2 Signaling Pathway. AB - Proanthocyanidins (PCs) have shown inhibition of oxidative damage by improving Nrf-2 expression in many tissues. However, the cytoprotective effects of PCs on H2O2-induced tendon damage have not been verified. The current study was aimed at assessing the cytoprotection of PCs on the oxidative cellular toxicity of tendon derived stem cells (TDSCs) induced by H2O2. The TDSCs were isolated from patellar tendons of Sprague Dawley (SD) rats, and the cells after third passage were used for subsequent experiments. The isolated cells were identified by flow cytometry assay and multidifferentiation potential assay. Cell Counting Kit-8 assay was performed to examine cell viability. Real-Time PCR and Western Blot were employed to, respectively, assess the mRNA and protein expressions of Nrf-2, GCLM, NQO-1, and HO-1. PCs significantly improved the cell viability of TDSCs. Furthermore, H2O2 upregulated Nrf-2, GCLM, NQO-1, and HO-1 without significant difference, while the proteins expressions were increased with significant difference in PCs group and PCs + H2O2 cotreated group. All the findings indicated that PCs could protect against the oxidative damage induced by H2O2 in TDSCs, and the cytoprotective effects might be due to the ability of PCs to activate the expressions of GCLM, HO-1, and NQO-1 via upregulating Nrf-2 signaling pathway. PMID- 29201915 TI - Exploring the Concept of Degrees of Maternal Morbidity as a Tool for Surveillance of Maternal Health in Latin American and Caribbean Settings. AB - Objectives: To assess a birth registry to explore maternal mortality and morbidity and their association with other factors. Study Design: Exploratory multicentre cross-sectional analysis with over 700 thousand childbirths from twelve Latin American and Caribbean countries between 2009 and 2012. The WHO criteria for maternal morbidity were employed to split women, following a gradient of severity of conditions, into (1) maternal death (MD); (2) maternal near miss (MNM); (3) potentially life-threatening conditions (PLTC); (4) less severe maternal morbidity (LSMM); (5) any maternal morbidity; and (6) women with no maternal morbidity. Their prevalence and estimated risks of adverse maternal outcomes were assessed. Results: 712,081 childbirths had a prevalence of MD and MNM of 0.14% and 3.1%, respectively, while 38% of women had experienced morbidity. Previous maternal morbidity was associated with higher risk of adverse maternal outcomes and also the extremes of reproductive ages, nonwhite ethnicity, no stable partner, no prenatal care, smoking, drug and alcohol use, elective C section, or induction of labour. Poorer perinatal outcomes were proportional to the severity of maternal outcomes. Conclusions: The findings corroborate WHO concept regarding continuum of maternal morbidity, reinforcing its importance in preventing adverse maternal outcomes and improving maternal healthcare in different settings. PMID- 29201914 TI - Acute Right Ventricular Dysfunction in Intensive Care Unit. AB - The role of the left ventricle in ICU patients with circulatory shock has long been considered. However, acute right ventricle (RV) dysfunction causes and aggravates many common critical diseases (acute respiratory distress syndrome, pulmonary embolism, acute myocardial infarction, and postoperative cardiac surgery). Several supportive therapies, including mechanical ventilation and fluid management, can make RV dysfunction worse, potentially exacerbating shock. We briefly review the epidemiology, pathophysiology, diagnosis, and recommendations to guide management of acute RV dysfunction in ICU patients. Our aim is to clarify the complex effects of mechanical ventilation, fluid therapy, vasoactive drug infusions, and other therapies to resuscitate the critical patient optimally. PMID- 29201917 TI - The Prognostic Value of Combined Smoking and Alcohol Consumption Habits for the Estimation of Cause-Specific Mortality in Middle-Age and Elderly Population: Results from a Long-Term Cohort Study in Lithuania. AB - Aim: To evaluate the prognostic value of combined smoking and alcohol consumption habits for the estimation of cause-specific mortality risk in middle-age and elderly population. Methods: The study presents data from the four surveys. A random sample of 6,729 subjects aged 35-64 years was selected for statistical analysis. During the follow-up of 31 years (1983-2014), there were 2,158 deaths from any cause. Multivariate Cox's proportional hazards models were used to estimate hazard ratios (HR) for all-cause mortality and Competing Risk Regression analysis was used to estimate subdistribution hazard risk (SHR) for cause specific mortality. Results: Smoking clearly increased the risk of all-cause mortality and mortality from cancer and cardiovascular disease (CVD), but alcohol use had little effect in men aged 35-64 years. However, heavy alcohol consumption (>14 units/week) increased the risk of all-cause mortality and mortality from external causes in the never-smokers men group who drank alcohol of 1-14 units/week (HR 2 = 1.57 and SHR 2 = 2.40, resp.). Conclusions: The smoking habits and alcohol consumption are modifiable risk factors, and thus efforts to support abstinence from alcohol and smoking use should be a public health priority. PMID- 29201916 TI - Biochemical and Genetical Responses of Phoenix dactylifera L. to Cadmium Stress. AB - The cadmium (Cd), a heavy metal, causes toxicity, which leads to hampering the growth and development of the plant. The molecular and biochemical approaches were used for the investigation of antioxidant system response and genotoxicity in date palm (Phoenix dactylifera L.) cv. Sagai in pot experiment having Cd. The root length was more affected than the shoot length as more accumulation of Cd occurs in roots. Fresh weights of root and shoot were reduced significantly in treated plants as compared to the control. The proline content was increased at low concentration of Cd (300 uM-CdCl2) than the medium and high concentrations (600 and 900 uM-CdCl2), respectively. The thiobarbituric acid reactive substances (TBARS) content was increased at 600 and 900 uM-CdCl2 compared to the plants treated at 300 uM-CdCl2 and controls. Antioxidant enzymatic assay was performed under Cd stress and compared with control plants. The catalase (CAT) and superoxide dismutase (SOD) activities were found to be high in plants treated with CdCl2 at 300 uM compared to at 600 and 900 uM-CdCl2, respectively. The genotoxicity of Cd was assessed using the inter-simple sequence repeat (ISSR) marker where all treated and control plants were clustered into three main groups based on genetic similarity. P. dactylifera plants were found to be more divergent at high Cd stress as compared to control and plants treated at low concentration of Cd. PMID- 29201919 TI - Dynamics of Insulin Secretion from EndoC-betaH1 beta-Cell Pseudoislets in Response to Glucose and Other Nutrient and Nonnutrient Secretagogues. AB - The dynamics of insulin secretion were characterized in response to a variety of physiological and pharmacological stimulators and other compounds in perifused pseudoislets generated from cells of the EndoC-betaH1 beta-cell line. Perifusion of EndoC-betaH1 pseudoislets with the physiological stimulus glucose (16.7 mM) induced sustained insulin secretion, which was inhibited by mannoheptulose. The adenylate cyclase activators IBMX and forskolin strongly potentiated this secretion. Glibenclamide, a Kir 6.2 potassium channel blocker, and Bay K 8644, an opener of the voltage-sensitive Ca2+ channel, also potentiated glucose-induced insulin secretion. The dynamics of insulin secretion from EndoC-betaH1 pseudoislets were characterized by an insulin secretory response to glucose starting within 1-2 min and passing over without interruption into a sustained phase of insulin release for the whole stimulation period. This lack of a transient decline between the first and the second phases of insulin release is an indication for a quick supply of insulin secretory granules from the reserve pool to the docking sites below the plasma membrane. Thereby, new secretory granules are directly made available for sustained exocytosis of insulin in EndoC betaH1 beta-cells. The study shows that EndoC-betaH1 beta-cell pseudoislets are well suited for kinetic analyses of insulin secretion. PMID- 29201920 TI - Diabetic Nephropathy: From Pathophysiology to Treatment. PMID- 29201918 TI - The Role of Insulin Receptor Isoforms in Diabetes and Its Metabolic and Vascular Complications. AB - The insulin receptor (IR) presents by alternative splicing two isoforms: IRA and IRB. The differential physiological and pathological role of both isoforms is not completely known, and it is determinant the different binding affinity for insulin-like growth factor. IRB is more abundant in adult tissues and it exerts mainly the metabolic actions of insulin, whereas IRA is mainly expressed in fetal and prenatal period and exerts mitogenic actions. However, the change in the expression profile of both IR isoforms and its dysregulation are associated with the development of different pathologies, such as cancer, insulin resistance, diabetes, obesity, and atherosclerosis. In some of them, there is a significant increase of IRA/IRB ratio conferring a proliferative and migratory advantage to different cell types and favouring IGF-II actions with a sustained detriment in the metabolic effects of insulin. This review discussed specifically the role of IR isoforms as well as IGF-IR in diabetes and its associated complications as obesity and atherosclerosis. Future research with new IR modulators might be considered as possible targets to improve the treatment of diabetes and its associated complications. PMID- 29201921 TI - Selective Screening Strategies for Gestational Diabetes: A Prospective Cohort Observational Study. AB - Aim: We aimed to develop a prediction model for the diagnosis of gestational diabetes and to evaluate the performance of published prediction tools on our population. Methods: We conducted a cohort study on nondiabetic women < 26 weeks gestation at a level 1 clinic in Johannesburg, South Africa. At recruitment, participants completed a questionnaire and random basal glucose and HbA1c were evaluated. A 75 g 2-hour OGTT was scheduled between 24-28 weeks gestation, as per FIGO guidelines. A score was derived using multivariate logistic regression. Published scoring systems were tested by deriving ROC curves. Results: In 554 women, RBG, BMI, and previous baby >= 4000 g were significant risk factors included for GDM, which were used to derive a nomogram-based score. The logistic regression model for prediction of GDM had R2 0.143, Somer's Dxy rank correlation 0.407, and Harrell's c-score 0.703. HbA1c did not improve predictive value of the nomogram at any threshold (e.g,. at probability > 10%, 25.6% of cases were detected without the HbA1c, and 25.8% of cases would have been detected with the HbA1c). The 9 published scoring systems performed poorly. Conclusion: We propose a nomogram-based score that can be used at first antenatal visit to identify women at high risk of GDM. PMID- 29201922 TI - Immunization with Bivalent Flagellin Protects Mice against Fatal Pseudomonas aeruginosa Pneumonia. AB - Pseudomonas aeruginosa lung infections present a major challenge to healthcare systems worldwide because they are commonly associated with high morbidity and mortality. Here, we demonstrate the protective efficacy of type a and b flagellins (bivalent flagellin) against acute fatal pneumonia in mice. Mice immunized intranasally with a bivalent flagellin vaccine were challenged by different flagellated strains of P. aeruginosa in an acute pneumonia model. Besides the protective effect of the vaccine, we further measured the host innate and cellular immunity responses. The immunized mice in our study were protected against both strains. Remarkably, active immunization with type a or b flagellin significantly improved survival of mice against heterologous strain compared to flagellin a or b antisera. We also showed that after an intranasal challenge by P. aeruginosa strain, neutrophils are recruited to the airways of vaccinated mice, and that the bivalent flagellin vaccine was proved to be protective by the generated CD4+IL-17+ Th17 cells. In conclusion, bivalent flagellin vaccine can confer protection against different strains of P. aeruginosa in an acute pneumonia mouse model by eliciting effective cellular and humoral immune responses, including increased IL-17 production and improved opsonophagocytic killing. PMID- 29201923 TI - Regulation of Leukocyte Recruitment to the Spleen and Peritoneal Cavity during Pristane-Induced Inflammation. AB - Chronic inflammation is associated with an increased number of leukocytes in the spleen, which are then redirected to the site of inflammation. However, it remains unknown how leukocyte recruitment is regulated. Herein, chronic inflammation was induced by intraperitoneal injection of pristane into mice. Leukocytes in the spleen or in the peritoneal cavity were quantified by flow cytometry. We found that the loss of IL-6 decreased macrophage recruitment to the spleen and the peritoneal cavity during pristane-induced inflammation. The loss of TNFalpha delayed the recruitment of neutrophils and macrophages to the spleen and inhibited the recruitment of neutrophils, macrophages, B cells, and T cells. The recruitment of neutrophils and macrophages into the spleen or peritoneal cavity was largely inhibited in the absence of LTalpha. The loss of TNFalpha receptor 1/2 resulted in reduced recruitment of neutrophils, macrophages, and dendritic cells into the spleen, but only neutrophil recruitment was inhibited in the peritoneal cavity. Similarly, a lack of B cells significantly impeded the recruitment of neutrophils, macrophages, and dendritic cells to the spleen. However, only macrophage recruitment was inhibited in the absence of T cells in the spleen. These data provide insight into the development of chronic inflammation induced by noninfectious substances. PMID- 29201924 TI - Flexion Gap in the Isolated Posterior Cruciate Ligament-Injured Knee Affects Symptom Relief After Conservative Treatment: A Case-Control Study. AB - Background: The posterior cruciate ligament (PCL) is a primary stabilizer of the knee in the posterior direction. However, PCL deficiency presents a clinical paradox because the outcome of PCL deficiency ranges from total disability to uninterrupted participation in competitive athletics. Purpose: To investigate whether posterior laxity (PL) and the flexion gap (FG) influence the results of the conservative treatment of isolated PCL injuries. Study Design: Case-control study; Level of evidence, 3. Methods: A total of 27 patients (23 men, 4 women; mean age, 33 +/- 14 years) with isolated PCL injuries between 2007 and 2013 were included in this study. All patients had been treated conservatively for more than 6 months. Nineteen patients achieved excellent relief of their symptoms (conservative treatment [C] group). Eight patients underwent PCL reconstruction owing to their symptoms (surgical treatment [S] group). Side-to-side differences of the FG and the PL were retrospectively measured on axial radiographs and on lateral radiographs with gravity sag views, respectively, and the degree of PCL injury was graded as I (PL, <5 mm) in 7 patients and II (PL, 5 to <10 mm) in 20 patients. Results: The mean PL and FG were 6.9 +/- 2.5 mm and 2.0 +/- 1.8 mm, respectively. A mild positive correlation between the PL and the FG was observed (r = 0.47, P = .02). The mean PL and FG were 6.5 +/- 2.9 mm and 1.2 +/- 1.0 mm in the C group and 7.7 +/- 1.3 mm and 3.8 +/- 2.0 mm in the S group, respectively. The FG in the C group was significantly smaller than that in the S group (P < .05), although there was no significant difference between the groups for PL. All patients with grade I injury belonged to the C group, for which the FG was less than 2 mm in all cases. Eight of the patients with grade II injury were in the S group, and their FG was more than 2 mm, except in 1 patient. The FG performed better with an area under the receiver operating characteristic curve of 0.924 (95% CI, 0.000-1.000) compared with 0.599 (95% CI, 0.388-0.809) for the PL. Discrimination between the C and S groups with a cutoff set at 2.30 mm for the FG and 7.45 mm for the PL showed a sensitivity of 75.0% and 75.0% and a specificity of 89.5% and 52.6%, respectively. Conclusion: Considering that the FG affects the outcome of conservative treatment, it could be a factor in the indication for the surgical treatment of isolated PCL injuries. PMID- 29201925 TI - A Comparison of Nonoperative and Operative Treatment of Complete Proximal Hamstring Ruptures. AB - Background: The early repair of acute proximal hamstring ruptures provides better clinical results than delayed repair. However, it is unclear how nonoperative treatment compares with the operative treatment of these injuries. Purpose: To compare the clinical results of the nonoperative and operative treatment of acute proximal hamstring ruptures. Study Design: Cohort study; Level of evidence, 3. Methods: A total of 25 patients with complete, retracted proximal hamstring ruptures presenting to 1 institution were retrospectively reviewed. All patients were given the option of proximal hamstring repair at the time of the initial evaluation. Patients with at least 12 months of follow-up from the time of surgery or injury were included in the evaluation. Both nonoperative and operative treatment groups were evaluated using the same outcome measures. The primary outcome measure was the Lower Extremity Functional Scale (LEFS). Secondary outcome measures included the Short Form-12 (SF-12) physical and mental component summaries, strength testing, a single-leg hop test, the patient's perception of strength, and the ability to return to activity. Results: There were 11 patients treated nonoperatively, with a mean follow-up of 2.48 +/- 3.66 years, and 14 patients treated operatively, with a mean follow-up of 3.56 +/- 2.11 years. The mean LEFS scores for the nonoperative and operative groups were 68.50 +/- 7.92 and 74.71 +/- 5.38, respectively (P = .07). No statistical differences were found between the groups regarding SF-12 scores and mean single leg hop distance compared with the uninjured leg. Isometric testing of the injured hamstring in the nonoperative group demonstrated significant clinical weakness compared with the uninjured side at both 45 degrees and 90 degrees of flexion (57.54% +/- 7.8% and 67.73% +/- 18.8%, respectively). Isokinetic testing of the injured leg in the operative group demonstrated 90.87% +/- 16.3% strength of the uninjured leg. All patients in the operative group were able to return to preinjury activities, whereas 3 patients in the nonoperative group were unable to return (chi-square = 4.33, P = .07). Conclusion: Patients with acute proximal hamstring ruptures treated surgically regained approximately 90% strength of the uninjured extremity and tended to have a greater likelihood of returning to preinjury activities than patients treated nonoperatively. PMID- 29201926 TI - Factors Associated With Physician Loss in Anterior Cruciate Ligament Reconstruction Malpractice Lawsuits. AB - Background: Anterior cruciate ligament (ACL) reconstruction is among the most common orthopaedic procedures, with its incidence doubling over the past decade. To date, no studies have analyzed litigation after ACL reconstruction. Purpose: To characterize the causes of malpractice litigation after ACL reconstruction. Study Design: Cross-sectional study. Methods: A retrospective review of malpractice lawsuits after ACL reconstruction was performed using VerdictSearch, a large legal claims database encompassing nearly 180,000 legal cases, from February 1988 to May 2015. Settlement rates and physician loss rates were calculated along with 95% CIs for each complication type, and analysis of variance was used to compare all indemnity payments. Results: Of a total 30 lawsuits, 5 (16.7%) settled out of court. The 3 most common complications leading to litigation were prolonged pain (n = 5, 16.7%), infection (n = 5, 16.7%), and malpositioned graft (n = 5, 16.7%). Of the 25 cases that went to court, 8 (32.0%) ended in favor of the plaintiff (physician loss). Damage to a neurovascular structure resulted in the highest indemnity payment (mean, $2,012,926 +/- $1,076,530; P = .021). Lawsuits for which pain or loss of range of motion was the only complication were significantly more likely to end in a physician victory (P = .04) and lower indemnity payments ($87,500 vs $678,715, respectively). Cases that involved a surgical technical error were more likely to result in a physician loss (P = .01), with malpositioned grafts having a significantly higher loss rate than average (75% vs 32%, respectively). Conclusion: After ACL reconstruction, physicians are more likely to win malpractice suits if pain or limited range of motion is the only complaint and less likely to win if a surgical error was alleged. These findings may help to set patient expectations and provide adequate guidance during the informed consent process. PMID- 29201927 TI - Radiographic Location Does Not Ensure a Precise Anatomic Location of the Femoral Fixation Site in Medial Patellofemoral Ligament Reconstruction. AB - Background: A frequently used method to determine the anatomic femoral fixation point in the operating room during medial patellofemoral ligament (MPFL) reconstruction is the radiographic method. However, the ability of this radiological method to establish an anatomic femoral attachment point might not be as accurate as expected. Purpose: (1) To evaluate the accuracy of the radiological method to locate the anatomic femoral fixation point in MPFL reconstruction surgery and (2) to determine the factors influencing the predictability of this method to obtain this objective. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: A total of 100 consecutive 3 dimensional computed tomography (3D CT) knee examinations were performed at 0 degrees of extension in 87 patients treated for chronic lateral patellar instability. For each knee, 2 virtual 7 mm-diameter femoral tunnels were created: 1 using the adductor tubercle as a landmark (anatomic tunnel) and the other according to the radiological method described by Schottle et al (radiographic tunnel). We measured the percentage of overlap between both tunnels. Moreover, of the 100 included knees, 10 were randomly selected for a variability study. Results: Considering an overlap area greater than 50% as reasonable, the radiographic method achieved this in only 38 of the 100 knees. Intrarater and interrater reliability were excellent. There was a trend for female patients with severe trochlear dysplasia to have less overlap. This model accounted for 64.2% of the initial variability in the data. Conclusion: An exact anatomic femoral tunnel placement could not be achieved with the radiographic method. Radiography provided only an approximation and should not be the sole basis for the femoral attachment location. Moreover, in female patients with severe trochlear dysplasia, the radiographic method was less accurate in determining the anatomic femoral fixation point, although differences were not statistically significant. PMID- 29201928 TI - Abnormal Pain Response After a Compensable Shoulder Injury. AB - Background: The role of psychosocial factors has been established in patients with shoulder abnormalities. However, the prevalence of exaggerated pain behaviors and their association with the characteristics of injured workers have not been well studied. Purpose: To examine the prevalence of abnormal pain responses (APRs) in workers with active workers' compensation claims for a shoulder injury and to examine the differences between workers with APRs versus workers without APRs. Study Design: Cross-sectional study; Level of evidence, 3. Methods: An analysis of electronic data files of injured workers was completed. An APR was defined as an exaggerated pain response during a clinical examination, including facial grimacing, shaking, withdrawal, nonanatomic dermatome or myotome disturbances, increased tenderness, regional symptoms, and verbal utterances such as groaning, moaning, or gasping. To control for potential confounders, patients with positive APRs (APR group) were matched with injured workers without APRs (control group) seen in the same clinic and matched for sex, age, and surgical candidacy. Results: Data from 1000 workers who had sustained a shoulder injury at work and who were referred for an early assessment by an orthopaedic surgeon and a physical therapist were reviewed. A total of 86 (9%) injured workers (mean age, 47 +/- 11 years; 55 [64%] female) demonstrated APRs and were matched with 86 injured workers without APRs. There were no statistically significant between group differences in the wait time, mechanism of injury, coexisting comorbidity, type of abnormality, or medication consumption. The APR group reported higher levels of disability (P < .0001) and psychological problems (P < .0001), presented with more inconsistency in range of motion (P = .04), and had more limitations at work (P = .02). Conclusion: The presence of an APR after a compensable shoulder injury was associated with higher reports of disability and psychological problems. Patients with positive APRs were more likely to be off work and less likely to perform full duties. PMID- 29201929 TI - Evaluation of the Schottle Technique in the Pediatric Knee. AB - Background: The Schottle point is commonly used for anatomic femoral tunnel placement during medial patellofemoral ligament (MPFL) reconstruction. This technique has not been previously validated in the skeletally immature patient, in whom femoral tunnel placement may put the distal femoral physis at risk of iatrogenic injury. Hypothesis: Interobserver reliability for femoral tunnel placement will be higher in adult knees compared with pediatric knees. Study Design: Cross-sectional study (diagnosis); Level of evidence, 3. Methods: We selected 30 perfect lateral radiographs for this study: 20 from pediatric knees (mean patient age, 10 years; range, 8-11 years) and 10 from adult knees (mean patient age, 18.5 years; range, 18-23 years). Six observers with varying levels of clinical experience evaluated each radiograph and approximated the site of the MPFL femoral tunnel using the Schottle technique. Intra- and interobserver reliabilities for femoral tunnel placement were evaluated. Statistical analysis was used to compare measurements. Results: During initial interobserver measurements, the diameter of the composite perfect circles averaged 9.0 and 6.8 mm in adult and pediatric knees, respectively (P = .004). At repeat measurement, circles averaged 9.8 and 7.3 mm in adult and pediatric knees, respectively (P = .0001). Femoral tunnel placement intraobserver variance averaged 2.9 mm in adult knees (range, 1.9-4.0 mm) and 2.3 mm in pediatric knees (range, 1.9-2.9 mm). This difference was not significant (P = .14). Conclusion: This study demonstrated that interobserver variance is actually greater in adult knees compared with pediatric knees, although interobserver variance was significantly different for both populations. Additionally, intraobserver variance is small on repeat measures, demonstrating that the Schottle technique is reproducible for individual observers. Sources of this increased variance between observers are differences in agreement on the bony landmarks required for the Schottle technique. Due to this variability in tunnel placement, we recommend caution when the Schottle technique is used in pediatric knees to avoid iatrogenic injury to the distal femoral physis during femoral tunnel placement. PMID- 29201930 TI - A Case of Sub-Diaphragmatic Abscess after Injection of Botulinum Toxin to Treat Achalasia. AB - Achalasia is a disorder of the esophagus characterized by decreased lower esophageal sphincter (LES) relaxation and absence of esophageal peristalsis. Botulinum toxin (BT) injection targeting the LES has been used in the treatment of achalasia and other esophageal motility disorders, and it is considered to be safe and effective for short-term symptomatic relief. Serious adverse events of this procedure are rare. We report the case of an 83-year-old woman treated with BT injection for achalasia who subsequently developed a subdiaphragmatic abscess. PMID- 29201931 TI - Colchicine-Induced Hepatotoxicity. AB - Drug-induced injury (DILI) is a frequent cause of abnormal liver tests and a leading cause of liver failure in the United States. Colchicine has long been used as a systemic anti-inflammatory agent for treatment of gout by inhibiting mitotic activity and neutrophil function. We present the first case of colchicine induced hepatoxicity, supported by histopathologic findings characteristic of colchicine-induced injury and resolution of liver enzyme abnormalities after its discontinuation. Colchicine-associated DILI has implications for the evaluation of patients with abnormal liver tests and gout, especially for patients with alcoholism and non-alcoholic fatty liver disease, in whom there is an increased incidence of gout. PMID- 29201932 TI - Novel Use of an Endoscopic Suturing Device to Repair a Cholecystoduodenal Fistula. PMID- 29201933 TI - RATA: A method for high-throughput identification of RNA bound transcription factors. AB - Long non-coding RNAs (lncRNAs) regulate critical cellular processes and their dysregulation contributes to multiple diseases. Although only a few lncRNAs have defined mechanisms, many of these characterized lncRNAs interact with transcription factors to regulate gene expression, suggesting a common mechanism of action. Identifying RNA-bound transcription factors is especially challenging due to inefficient RNA immunoprecipitation and low abundance of many transcription factors. Here we describe a highly sensitive, user-friendly, and inexpensive technique called RATA (RNA-associated transcription factor array), which utilizes a MS2-aptamer pulldown strategy coupled with transcription factor activation arrays for identification of transcription factors associated with a nuclear RNA of interest. RATA requires only ~5 million cells and standard molecular biology reagents for multiplexed identification of up to 96 transcription factors in 2-3 d. Thus, RATA offers significant advantages over other technologies for analysis of RNA-transcription factor interactions. PMID- 29201934 TI - Evidence for rapid localist plasticity in the ventral visual stream: The example of words. AB - Our recent work has shown that the Visual Word Form Area (VWFA) in left occipitotemporal cortex contains an orthographic lexicon based on neuronal representations highly selective for individual written real words (RW) and that learning novel words selectively increases neural specificity in the VWFA. But, how quickly does this change in neural tuning occur and how much training is required for new words to be codified in the VWFA? Here we present evidence that plasticity in the VWFA from broad to tight tuning can be obtained in a short time span, with no explicit training, and with comparatively few exposures, further strengthening the case for a highly plastic visual lexicon in the VWFA and for localist representations in the visual processing hierarchy. PMID- 29201935 TI - A Review of Contemporary Assessment Tools for Use with Transgender and Gender Nonconforming Adults. AB - There is increasing recognition of the need for culturally sensitive services for individuals who identify as transgender or gender non-conforming (TGNC), and only recently have empirical studies appeared in the literature that inform best practices for TGNC people. Competent, culturally appropriate clinical services and research depend upon methodologically sound assessment of key constructs, but it is unclear whether appropriate self-report or clinician-rated assessment tools for adults exist. This paper reviewed existing published measures to identify areas of strength as well as existing gaps in the available research. The search strategy for this systematic review identified any published paper describing a self-report or clinician-rated scale for assessing transgender-related concerns. Each measure was reviewed for information on its scope, reliability, validity, strengths, limitations, and source. The majority of these questionnaires were developed with the TGNC communities and targeted important factors that affect quality of life for TGNC people. Limitations included limited evidence for validity, reliability, and sensitivity to change. Overall, the field is moving in the direction of TGNC-affirming assessment, and promising measures have been created to monitor important aspects of quality of life for TGNC people. Future research should continue to validate these measures for use in assessing clinical outcomes and the monitoring of treatment progress. PMID- 29201937 TI - Variance in Mood Symptoms Across Menstrual Cycles: Implications for Premenstrual Dysphoric Disorder. AB - Premenstrual dysphoric disorder (PMDD) remains a controversial diagnosis: Some authors have argued that it pathologizes normal mood changes, and others have questioned the need for daily mood reports across multiple cycles. In the present study, we examined changes in mood among psychologically healthy young participants with regular menstrual cycles. We collected daily reports of negative mood (depression, nervousness, irritability, and fatigue) across two to six consecutive cycles from 27 participants aged 18-35 years, and we used variance decomposition analyses to examine how much of the variance in these daily reports was due to day, cycle, and individual. The majority of variance (79%-98%) was due to daily fluctuations and did not conform to a standard pattern of premenstrual rise/postmenstrual fall. These findings suggest that PMDD is not simply an exaggeration of mood patterns typical for psychologically healthy people. Individual patterns were relatively stable from cycle to cycle; thus tracking deviations from a patient's own normative mood patterns may have greater clinical utility than deviation from a presumptive norm. PMID- 29201936 TI - Targeted Cell-to-Cell Delivery of Protein Payloads via the Granzyme-Perforin Pathway. AB - There is great potential for engineering cellular therapeutics by repurposing biological systems. Here, we report utilization of the granzyme-perforin pathway of cytotoxic lymphocytes as a cell-to-cell protein delivery module. We designed and constructed granzyme B-derived chaperone molecules fused to a fluorescent protein payload and expressed these constructs in natural killer (NK) cells. Using confocal microscopy and flow cytometry, we investigated the co-localization of the chaperones with lytic granules and the chaperone-mediated transfer of the fluorescent protein payload from NK to target cells in co-culture experiments. A synthetic chaperone consisting of the granzyme B ER signal peptide and a domain encompassing putative N-linked glycosylation sites in granzyme B is insufficient for payload transfer to target cells, whereas full-length granzyme B is sufficient for payload delivery. Combining our functional data with an analysis of the crystal structure of granzyme B suggests that the necessary motifs for granzyme B loading into lytic granules are dispersed throughout the primary amino acid sequence and are only functional when contiguous in the tertiary structure. These results illustrate that by using granzyme B as a molecular chaperone the granzyme-perforin pathway can be exploited as a programmable molecular delivery system for cell-based therapies. PMID- 29201938 TI - Classification of images based on small local features: a case applied to microaneurysms in fundus retina images. AB - Convolutional neural networks (CNNs), the state of the art in image classification, have proven to be as effective as an ophthalmologist, when detecting referable diabetic retinopathy. Having a size of [Formula: see text] of the total image, microaneurysms are early lesions in diabetic retinopathy that are difficult to classify. A model that includes two CNNs with different input image sizes, [Formula: see text] and [Formula: see text], was developed. These models were trained using the Kaggle and Messidor datasets and tested independently against the Kaggle dataset, showing a sensitivity [Formula: see text], a specificity [Formula: see text], and an area under the receiver operating characteristics curve [Formula: see text]. Furthermore, by combining these trained models, there was a reduction of false positives for complete images by about 50% and a sensitivity of 96% when tested against the DiaRetDB1 dataset. In addition, a powerful image preprocessing procedure was implemented, improving not only images for annotations, but also decreasing the number of epochs during training. Finally, a feedback method was developed increasing the accuracy of the CNN [Formula: see text] input model. PMID- 29201939 TI - Phase-contrast imaging with a compact x-ray light source: system design. AB - X-ray phase-contrast imaging (XPCI) overcomes the problem of low contrast between different soft tissues achieved in conventional x-ray imaging by introducing x ray phase as an additional contrast mechanism. This work describes a compact x ray light source (CXLS) and compares, via simulations, the high quality XPCI results that can be produced from this source to those produced using a microfocus x-ray source. The simulation framework is first validated using an image acquired with a microfocus-source, propagation-based XPCI (PB-XPCI) system. The phase contrast for a water sphere simulating a simple cyst submersed in muscle is evaluated and the evolution of PB-XPCI signal as the object to detector distance is increased is demonstrated. The proposed design of a PB-XPCI system using the CXLS is described and simulated images of a coronary artery compared between CXLS and microfocus source PB-XPCI systems. To generate images with similar noise levels, a microfocus source would require a 3000 times longer exposure than would the CXLS. We conclude that CXLS technology has the potential to provide high-quality XPCI in a medical environment using extremely short exposure times relative to microfocus source approaches. PMID- 29201940 TI - Assessing computed tomography image quality for combined detection and estimation tasks. AB - Maintaining or even improving image quality while lowering patient dose is always the desire in clinical computed tomography (CT) imaging. Iterative reconstruction (IR) algorithms have been designed to allow for a reduced dose while maintaining or even improving an image. However, we have previously shown that the dose saving capabilities allowed with IR are different for different clinical tasks. The channelized scanning linear observer (CSLO) was applied to study clinical tasks that combine detection and estimation when assessing CT image data. The purpose of this work is to illustrate the importance of task complexity when assessing dose savings and to move toward more realistic tasks when performing these types of studies. Human-observer validation of these methods will take place in a future publication. Low-contrast objects embedded in body-size phantoms were imaged multiple times and reconstructed by filtered back projection (FBP) and an IR algorithm. The task was to detect, localize, and estimate the size and contrast of low-contrast objects in the phantom. Independent signal present and signal-absent regions of interest cropped from images were channelized by the dense-difference of Gauss channels for CSLO training and testing. Estimation receiver operating characteristic (EROC) curves and the areas under EROC curves (EAUC) were calculated by CSLO as the figure of merit. The one shot method was used to compute the variance of the EAUC values. Results suggest that the IR algorithm studied in this work could efficiently reduce the dose by [Formula: see text] while maintaining an image quality comparable to conventional FBP reconstruction warranting further investigation using real patient data. PMID- 29201941 TI - Assessment of a statistical AIF extraction method for dynamic PET studies with 15O water and 18F fluorodeoxyglucose in locally advanced breast cancer patients. AB - Blood flow-metabolism mismatch from dynamic positron emission tomography (PET) studies with [Formula: see text]-labeled water ([Formula: see text]) and [Formula: see text]-labeled fluorodeoxyglucose (FDG) has been shown to be a promising diagnostic for locally advanced breast cancer (LABCa) patients. The mismatch measurement involves kinetic analysis with the arterial blood time course (AIF) as an input function. We evaluate the use of a statistical method for AIF extraction (SAIF) in these studies. Fifty three LABCa patients had dynamic PET studies with [Formula: see text] and FDG. For each PET study, two AIFs were recovered, an SAIF extraction and also a manual extraction based on a region of interest placed over the left ventricle (LV-ROI). Blood flow-metabolism mismatch was obtained with each AIF, and kinetic and prognostic reliability comparisons were made. Strong correlations were found between kinetic assessments produced by both AIFs. SAIF AIFs retained the full prognostic value, for pathologic response and overall survival, of LV-ROI AIFs. PMID- 29201943 TI - A Factor Analysis of PTSD with Latino Samples with Substance Use Disorders. AB - Objective: The Post - Traumatic Stress Disorder (PTSD) factor structure is not a generally agreed upon concept. It has remained controversial and its' efficacy regarding different trauma presentations is still in question. Therefore, it is imperative that we evaluate different conceptualizations of the PTSD factor structure. This study aims to understand how PTSD is structured when comorbid with Substance Use Disorder (SUD). Method: We evaluated presentations of PTSD - SUD from a Latino community based sample. This was done using several accepted models of the PTSD factor structure. We then performed an exploratory factor analysis of the factor structure of PTSD when comorbid with SUD. Results: We found that the factor structure of PTSD - SUD was different from the structure presented in the DSM - IV and other empirically validated structural models. Conclusion: The factor structure of PTSD may need to include a separate structure when PTSD is comorbid with SUD. Cultural differences when structuring the PTSD diagnosis should also be considered. PMID- 29201942 TI - Dynamic contrast-enhanced magnetic resonance imaging and diffusion-weighted magnetic resonance imaging for predicting the response of locally advanced breast cancer to neoadjuvant therapy: a meta-analysis. AB - This meta-analysis assesses the prognostic value of quantitative dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) and diffusion-weighted MRI (DW-MRI) performed during neoadjuvant therapy (NAT) of locally advanced breast cancer. A systematic literature search was conducted to identify studies of quantitative DCE-MRI and DW-MRI performed during breast cancer NAT that report the sensitivity and specificity for predicting pathological complete response (pCR). Details of the study population and imaging parameters were extracted from each study for subsequent meta-analysis. Metaregression analysis, subgroup analysis, study heterogeneity, and publication bias were assessed. Across 10 studies that met the stringent inclusion criteria for this meta-analysis (out of 325 initially identified studies), we find that MRI had a pooled sensitivity of 0.91 [95% confidence interval (CI), 0.80 to 0.96] and specificity of 0.81(95% CI, 0.68 to 0.89) when adjusted for covariates. Quantitative DCE-MRI exhibits greater specificity for predicting pCR than semiquantitative DCE-MRI ([Formula: see text]). Quantitative DCE-MRI and DW-MRI are able to predict, early in the course of NAT, the eventual response of breast tumors, with a high level of specificity and sensitivity. However, there is a high degree of heterogeneity in published studies highlighting the lack of standardization in the field. PMID- 29201944 TI - Bystander effects of nitric oxide in anti-tumor photodynamic therapy. AB - Ionizing radiation of specifically targeted cells in a given population is known to elicit pro-death or pro-survival responses in non-targeted bystander cells, which often make no physical contact with the targeted ones. We have recently demonstrated a similar phenomenon for non-ionizing photodynamic therapy (PDT), showing that prostate cancer cells subjected to targeted photodynamic stress stimulated growth and migration of non-stressed, non-contacting bystander cells. Diffusible nitric oxide (NO) generated by stress-upregulated inducible nitric oxide synthase (iNOS) was shown to play a dominant role in these responses. Moreover, target-derived NO stimulated iNOS/NO induction in bystanders, suggesting a NO-mediated feed-forward field effect driven by targeted cells surviving the photodynamic challenge. In this research highlight, we will review these findings and discuss their potential negative implications on clinical PDT outcomes and how these might be mitigated through pharmacologic use of select iNOS inhibitors. PMID- 29201945 TI - The physiology of adolescent sexual behaviour: A systematic review. AB - Objectives: To examine physiological influences of adolescent sexual behaviour, including associated psychosocial factors. Methods: Systematic review. Results: Thirteen studies met the inclusion criteria relating to adolescents, physiology and sexual behaviour. We excluded studies relating to abnormal development. Findings highlighted hormonal and gender differences. Females appear to be more influenced by psychosocial aspects, including the effects of peers, than males. Males may be more inclined to engage in unprotected sex with a greater number of partners. Early maturing adolescents are more likely to be sexually active at an early age. Conclusions: Hormonal, psychosocial context, and sexual preference need to be acknowledged in intervention development. Stage of readiness to receive information may differ according to gender and physiological maturity. PMID- 29201946 TI - Cell-free Fluorescent Intra-Golgi Retrograde Vesicle Trafficking Assay. AB - Intra-Golgi retrograde vesicle transport is used to traffic and sort resident Golgi enzymes to their appropriate cisternal locations. An assay was established to investigate the molecular details of vesicle targeting in a cell-free system. Stable cell lines were generated in which the trans-Golgi enzyme galactosyltransferase (GalT) was tagged with either CFP or YFP. Given that GalT is recycled to the cisterna where it is located at steady state, GalT-containing vesicles target GalT-containing cisternal membranes. Golgi membranes were therefore isolated from GalT-CFP expressing cells, while vesicles were prepared from GalT-YFP expressing ones. Incubating CFP-labelled Golgi with YFP-labelled vesicles in the presence of cytosol and an energy regeneration mixture at 37 degrees C produced a significant increase in CFP-YFP co-localization upon fluorescent imaging of the mixture compared to incubation on ice. The assay was validated to require energy, proteins and physiologically important trafficking components such as Rab GTPases and the conserved oligomeric Golgi tethering complex. This assay is useful for the investigation of both physiological and pathological changes that affect the Golgi trafficking machinery, in particular, vesicle tethering. PMID- 29201947 TI - Older Adults More Likely to Discuss Advance Care Plans With an Attorney Than With a Physician. AB - Adults are encouraged to discuss their end-of-life health care preferences so that their wishes will be known and hopefully honored. The purpose of this study was to determine with whom older adults had communicated their future health care wishes and the extent to which respondents themselves were serving as a surrogate decision maker. Results from the cross-sectional online survey with 294 persons aged 50 and older reveal that among the married, over 80% had a discussion with their spouse and among those with an adult child, close to two thirds (64%) had. Over a third had discussed preferences with an attorney and 23% with a physician. Close to half were currently serving as a surrogate decision maker or had been asked to and had signed papers to formalize their role. 18% did not think that they were a surrogate but were not sure. More education is needed to emphasize the importance of advance care planning with a medical professional, especially for patients with advanced chronic illness. More education and research about the role of surrogate medical decision makers is called for. PMID- 29201948 TI - Persistent Diabetes Mellitus Postadrenalectomy in Neonatal McCune-Albright Syndrome. PMID- 29201949 TI - Prevention Messages in Parent-Infant Bed-Sharing: Message Source, Credibility, and Effectiveness. AB - Objective. Despite educational outreach, bed-sharing prevalence is rising. Mothers' and fathers' bed-sharing practices, prevention message source, perceived source credibility, and the effectiveness of the prevention message were evaluated. Methods. Data were collected from 678 community parents via an online survey. Results were analyzed using descriptive statistics and phi tests. Results. Bed-sharing reasons focused on comfort and ease. Mothers were more likely to receive prevention messages from individual professionals or organizations, whereas fathers were more likely to hear prevention messages from spouses/coparents and grandfathers. Physicians were the most common source, and physicians and grandmothers were rated as the most credible and effective. Conclusions. Prevention message source varies between mothers and fathers, highlighting the need for continued research with fathers. Grandmothers and physicians are effective and credible sources of prevention messages. Although less frequent, prevention messages from grandmothers were most effective. There was no evidence of effective messages from educational campaigns. PMID- 29201950 TI - Using the Vape Shop Standardized Tobacco Assessment for Retail Settings (V-STARS) to Assess Product Availability, Price Promotions, and Messaging in New Hampshire Vape Shop Retailers. AB - Objectives: This is the first statewide census of the product availability, price promotions, and product messaging of vape shops. Methods: A comprehensive list of New Hampshire vape shops was developed through a previously validated online search method. Store audits were conducted in 55 stores between January and February 2016 using the Vape Shop Standardized Tobacco Assessment for Retail Settings (V-STARS). Results: Modifiable devices and cig-alikes were sold in 92.6% and 14.6% of stores, respectively. Cross-product promotions with tobacco products were rare, and messaging promoting e-cigarettes as effective cessation devices was found in 27.3% of all stores. Candy/fruit and menthol e-liquids were most commonly found in stores, and sampling of products was available in 83.6% of stores. Ten (18.2%) stores did not have a minimum age sign posted, and self service sampling displays were available in about one-fifth of stores. Conclusions: Using V-STARS to conduct retail assessments of vape shops is feasible and is important for assessing the changing retail environment of vape shops. Vape shops distinguish themselves from traditional tobacco product retailers and offer a variety of products to customize a consumer's experience. Regulations and effective enforcement ensuring accurate health messages is essential. PMID- 29201951 TI - Racial-ethnic differences in sexual risk behaviors: The role of substance use. AB - This research investigates the impact adolescent substance use has on adult sexual risk behaviors within racial-ethnic groups. Previous research has found support for this relationship, but often relies on concurrent measures of substance use and sexual risk behavior meaning that the causal direction of this relationship may be unclear. The data for this study come from the National Longitudinal Survey of Adolescent to Adult Health (Add Health), a nationally representative survey that followed respondents from adolescence in 1994 to adulthood in 2008. Results show that substance use correlates with sexual risk behavior, but the impact varies by race-ethnicity. PMID- 29201952 TI - An Echocardiography Training Program for Improving the Left Ventricular Function Interpretation in Emergency Department; a Brief Report. AB - Introduction: Focused training in transthoracic echocardiography enables emergency physicians (EPs) to accurately estimate the left ventricular function. This study aimed to evaluate the efficacy of a brief training program utilizing standardized echocardiography video clips in this regard. Methods: A before and after design was used to determine the efficacy of a 1 hour echocardiography training program using PowerPoint presentation and standardized echocardiography video clips illustrating normal and abnormal left ventricular ejection fraction (LVEF) as well as video clips emphasizing the measurement of mitral valve E-point septal separation (EPSS). Pre- and post-test evaluation used unique video clips and asked trainees to estimate LVEF and EPSS based on the viewed video clips. Results: 21 EPs with no prior experience with the echocardiographic technical methods completed this study. The EPs had very limited prior echocardiographic training. The mean score on the categorization of LVEF estimation improved from 4.9 (95% CI: 4.1-5.6) to 7.6 (95%CI: 7-8.3) out of a possible 10 score (p<0.0001). Categorization of EPSS improved from 4.1 (95% CI: 3.1-5.1) to 8.1 (95% CI: 7.6- 8.7) after education (p<0.0001). Conclusions: The results of this study demonstrate a statistically significant improvement of EPs' ability to categorize left ventricular function as normal or depressed, after a short lecture utilizing a commercially available DVD of standardized echocardiography clips. PMID- 29201953 TI - Concurrent Hand and Penile Gangrene following Prolonged Warfarin Use; a Case Report. AB - Warfarin induced skin necrosis (WISN) is a rare but important side effect of warfarin. Early diagnosis may lessen the amount of permanent tissue damage and can prevent progression to full thickness skin necrosis. So, physicians should be aware of such a complication. Screening for protein C or S or anti-thrombin deficiencies, or presence of anti-phospholipid antibodies before beginning warfarin therapy, could be helpful to avoid high levels of international normalized ratio (INR). Here, we report a 54-year-old man who presented to the emergency department with acral and penile gangrene following prolonged use of warfarin. PMID- 29201954 TI - Accuracy of Endoscopy in Predicting the Depth of Mucosal Injury Following Caustic Ingestion; a Cross-Sectional Study. AB - Introduction: Esophagogastroduodenoscopy (EGD) is currently considered as the primary method of determining the degree of mucosal injury following caustic ingestion. The present study aimed to evaluate the screening performance characteristics of EGD in predicting the depth of gastrointestinal mucosal injuries following caustic ingestion. Methods: Adult patients who were referred to emergency department due to ingestion of corrosive materials, over a 7-year period, were enrolled to this diagnostic accuracy study. Sensitivity, specificity, positive and negative predictive values as well as negative and positive likelihood ratios of EGD in predicting the depth of mucosal injury was calculated using pathologic findings as the gold standard. Results: 54 cases with the mean age of 35 +/- 11.2 years were enrolled (59.25% male). Primary endoscopic results defined 28 (51.85%) cases as second grade and 26 (48.14%) as third grade of mucosal injury. On the other hand, pathologic findings reported 21 (38.88%) patients as first grade, 14 (25.92%) as second, and 19 patients (35.18%) as third grade. Sensitivity and specificity of endoscopy for determining grade II tissue injury were 50.00 (23.04-76.96) and 47.50 (31.51-63.87), respectively. These measures were 100.00 (82.35-100) and 80.00 (63.06-91.56), respectively for grade III. Accuracy of EGD was 87.03% for grade III and 48.14% for grade II. Conclusion: Based on the findings of the present study, endoscopic grading of caustic related mucosal injury based on the Zargar's classification has good accuracy in predicting grade III (87%) and fail accuracy in grade II injuries (48%). It seems that we should be cautious in planning treatment for these patients solely based on endoscopic results. PMID- 29201955 TI - The Relationship of ST Segment Changes in Lead aVR with Outcomes after Myocardial Infarction; a Cross Sectional Study. AB - Introduction: Among the 12 leads studied in electrocardiography (ECG), lead aVR can be considered as the most forgotten part of it since no attention is paid to it as the mirror image of other leads. Therefore, the present study has been designed with the aim of evaluating the prevalence of ST segment changes in lead aVR and its relationship with the outcome of these patients. Methods: In this retrospective cross sectional study medical profiles of patients who had presented to emergency department with the final diagnosis of myocardial infarction (MI) in a 4-year period were evaluated regarding changes of ST segment in lead aVR and its relationship with in-hospital mortality, the number of vessels involved, infarct location and cardiac ejection fraction. Results: 288 patients with the mean age of 59.00 +/- 13.14 (18 - 91) were evaluated (79.2% male). 168 (58.3%) patients had the mentioned changes (79.2% male). There was no significant relationship between presence of ST changes in lead aVR with infarct location (p = 0.976), number of vessels involved (p = 0.269) and ejection fraction on admission (p = 0.801). However, ST elevation >= 1 mv in lead aVR had a significant relationship with mortality (Odds = 7.72, 95% CI: 3.07 - 19.42, p < 0.001). Sensitivity, specificity, positive and negative predictive values and positive and negative likelihood ratios of ST elevation >= 1 for prediction of in hospital mortality were 41.66 (95% CI: 22.79 - 63.05), 91.53 (95% CI: 87.29 - 94.50), 31.25 (95% CI: 16.74 - 50.13), 94.44 (95% CI: 90.65 - 96.81), 0.45 (95% CI: 0.25 - 0.79), and 0.05 (95% CI: 0.03 - 0.09), respectively. Conclusion: Based on the results of the present study, the prevalence of ST segment changes in lead aVR was estimated to be 58.3%. There was no significant relationship between these changes and the number of vessels involved in angiography, infarct location and cardiac ejection fraction. However, presence of ST elevation >= 1 in lead aVR was associated with 8 times increase in in-hospital mortality risk. PMID- 29201956 TI - Traumatic brain injury is unlikely precipitating Leigh syndrome due to the GJB2 mutation c.35delG. PMID- 29201957 TI - Saline Flush versus Chest x ray in Confirmation of Central Venous Catheter Placement; a Diagnostic Accuracy Study. AB - Introduction: Central venous catheterization (CVC) is a commonly performed procedure in critically ill patients of emergency department. This study was designed to compare the diagnostic accuracy of saline flush with CXR in confirmation of above-the-diaphragm CVC placement. Methods: This prospective cross sectional study was conducted on adult patients in need of CVC placement in emergency department. Placement Confirmation was performed with saline flush method and CXR, then chest computed tomography (CT) was performed as the gold standard. The screening performance characteristics of the two methods were calculated and compared using SPSS 21 and STATA 11. Results: 103 cases with the mean age of 57.18+/-9.3 (35 -80) years were studied (52.4% male). The mean duration of procedure was 2.5+/-1.24 in saline flush and 32.11+/-5.52 minutes in CXR method (P<0.001(. The area under the ROC curves for saline flush and CXR in confirmation of CVC placement were 0.90 (95%CI: 0.70 - 0.100) and 0.80 (95%CI: 0.55 - 0.100), respectively (p = 0.317). The sensitivity, specificity, positive and negative predictive value, and positive and negative likelihood ratio of saline flush were 80%, 100%, 100, 98.9%, Infinity, and 0.01, respectively. These measures were 60%, 100%, 100%, 98%, Infinity, and 0.02 for CXR, respectively. Conclusion: It seems that saline flush method could be considered as a safe, rapid, and accurate bedside method for CVC placement confirmation in emergency department. PMID- 29201958 TI - Perspectives of Patient Handover among Paramedics and Emergency Department Members; a Qualitative Study. AB - Introduction: Improving patient handover is currently considered as a patient safety goal and one of the top five WHO priorities. So, the aim of this study was to explore the perspectives of patient handover among paramedics and emergency department staff. Methods: This is a descriptive exploratory study with a qualitative content analysis approach. Twenty five paramedics and emergency department staff were selected through purposeful sampling. The data were collected through semi-structured interviews in 2015 and Qualitative Content Analysis was used to analyze the data. Result: One main theme and two major categories emerged through the data analysis. In general, data analysis indicated that patient handover is a sophisticated process, which is an encounter between two separate peninsulas with different extrinsic (different environments and different equipment) and intrinsic factors (different manpower and different expectations). Conclusion: Designing an appropriate environment, providing adequate equipment, recruiting appropriate manpower, and clarifying the expectations are some strategies for improving patient handover conditions. PMID- 29201959 TI - Demographics of Scorpion Sting in Iran; a Cross Sectional Study. AB - Introduction: Scorpion sting is an important public health problem in some countries, including Iran. This study aimed to describe the demographics of a large number of these victims in some endemic areas of Iran. Methods: This cross sectional study evaluated baseline characteristics, clinical findings, management, and disposition of scorpion stung cases in 26 cities of 4 provinces in the southwest quarter of Iran, during one year. Results: 3008 cases of scorpion sting with mean age of 27.07 +/- 16.58 years were studied (51.3% female). The mean time from sting to hospital was 1.89 +/- 1.04 hours. No first aid measures had been taken in 96.6% of cases. Lower (39.5%) and upper (35.7%) extremities were stung most frequently. Midnight to 6:00 am was the period of time most of stings occurred (34.2%). Local pain (77.2%) and erythema (63.5) were among the most common signs and symptoms. 2026 (67.3%) victims had been discharged; 326 (10.8%) were admitted or referred to other hospitals and 5 (0.2%) cases died. Conclusion: It seems that demographic characteristics of scorpion sting in Iran are not so different from those reported from other sites of the world, as signs and symptoms of local and systemic envenomations. Victims, companions, and healthcare providers perform many futile and maybe harmful measures and there is a need to educate all about all of these details. PMID- 29201960 TI - Demographics of Fall-Related trauma among the Elderly Presenting to Emergency Department; a Cross-Sectional Study. AB - Introduction: Falling is reported to be the most common cause of mortality due to trauma in individuals over the age of 75 years. The present study is designed with the aim of determining the demographics of fall-related trauma among the elderly presenting to emergency department (ED). Methods: The present prospective cross-sectional study was carried out on all elderly patients >= 60 years old presenting to ED of a major referral trauma center in North West of Iran during 1 year. Demographic data, location and height of falling, duration of hospitalization, trauma severity and in-hospital outcome of the patients were gathered and reported via descriptive statistics. Results: 228 patients with the mean age of 70.96 +/- 5.2 years were studied (53.9% female). Most patients were in the 66-70 years age range (32.6%) and had a history of hypertension (22.3%), who had visited following a fall inside the house (69.3%), due to slipping (73.7%), and from a height equal to or less than 2m (71.9%). 6 (2.6%) patients died in the hospital. Mean trauma severity of patients based on ISS, RTS, and TRISS were 10.65 +/- 3.95 (3-19), 7.84 +/-.21 (1.4-14.5) and 1.66 +/-1.31 (-1.49 3.82), respectively. Regarding need for hospitalization, only ISS shows a significant difference between outpatients and inpatients (p = 0.023). Patients who died had a significantly higher trauma severity based on ISS (p < 0.0001) and RTS (p < 0.0001). Conclusion: Based on the findings of the present study, slipping and syncope are the most common causes of falling in the studied elderly that had mostly happened inside the house and from a height less than 2m. Therefore, most patients were in the mild to moderate range of trauma severity. ISS and RTS were significantly higher in the 6 (2.6%) patients who died. PMID- 29201961 TI - Intranasal Lidocaine for Primary Headache Management in Emergency Department; a Clinical Trial. AB - Introduction: Most of the headache cases only require pain management in emergency department (ED). The present study aimed to evaluate the efficacy of intranasal lidocaine in this regard. Method: In this clinical trial, adult patients with primary headache were randomly treated with 7.5 mg intravenous (IV) chlorpromazine and 1 ml intranasal lidocaine 2% (treatment) or normal saline 0.9% (placebo), and were compared 5, 15, and 30 minutes later regarding success rate using SPSS 21. Result: 100 patients were assigned to either treatment or placebo group. Number needed to treat of intranasal lidocaine at 5, 15, and 30 minutes were 4 (95% CI: 2.2 - 6.6), 3 (95% CI: 1.7 - 3.5), and 4 (95% CI: 2.3 - 15.9), respectively. These measures for absolute risk reduction were 30 (95% CI: 15.2 - 44.8), 44 (95% CI: 28.7 - 59.3), and 26 percent (95% CI: 6.3 - 44.3), respectively. Pain relapse occurred in 16% of treatment and 11% of control group within 1 hour of treatment (p = 0.402). Conclusion: It seems that, intranasal lidocaine along with IV chlorpromazine could result in more successful and faster management of primary headaches in ED. PMID- 29201962 TI - Characteristics of Methadone Intoxicated Children Presenting to Emergency Department; a Cross Sectional Study. AB - Introduction: Each year a large number of patients present to emergency departments (EDs) following accidental or intentional poisoning with methadone. This study was designed with the aim of demographic evaluation of methadone poisoning in children presenting to ED and proposing preventive measures to parents and the healthcare system. Methods: This cross sectional study was carried out on children under the age of 12 years presenting to ED of a poisoning referral center. Demographic characteristics of the child and parents, cause of poisoning, form of drug consumed, dose consumed, the symptoms of the child on admission, clinical examination, laboratory findings, and final outcome were recorded and reported using descriptive statistics. Results: 179 cases were studied (59.2% boys). Cause of consumption was accidental in 175 (97.8%) cases and consumed drug dose was unknown in 53 (53.6%) cases. On admission 6 cases were in deep coma, 133 (74.3%) had miotic pupils, and 52 (29.1%) were affected with respiratory apnea and cyanosis. In 132 (73.8%) cases drugs were obtained from unapproved stores and form of drug consumed was syrup in 146 (81.6%) cases. 177 (98.9%) cases were discharged after 2 or3 days and 2 (1.1%) cases died. Conclusion: Based on the results of the present study, most cases of methadone poisoning were accidental, in children residing in poor and middle-class areas, with parents who had a low level of education and had obtained the drug from unapproved stores and stored it in improper containers or at improper places. Only 64.8% of the parents were educated regarding drug storage. PMID- 29201963 TI - Valsalva maneuver using a Handmade Device in Supraventricular Tachycardia Reversion; a Quasi Experimental Study. AB - Introduction: The use of vagal nerve stimulation is identified as a proper treatment option in patients with stable supraventricular tachycardia (SVT). This study aimed to assess the success of Valsalva maneuver via a handmade device in reversion of SVT. Methods: In this quasi experimental study, using a handmade device, vagus nerve stimulation was performed for SVT patients presenting to emergency department or cardiac intervention unit and the success rate and its related factors were assessed. Results: 100 patients with the mean age of 53.05 +/- 13.70 years were studied (67% female). 12 (12%) cases were unable to do the maneuver. Out of the 88 (88.0%) patients who could perform the maneuver, 75 (85.2%) cases were unsuccessful. Dysrhythmia was controlled in 6 (6.8%) cases on the first attempt and in 7 (8.0%) cases on the second one (14.8% total success rate). 12 of the 13 cases (92.3%) with successful maneuver had history of SVT (p = 0.031). There was not any significant association between success rate and sex (p = 0.084), age (p = 0.744), or other medical histories (p >= 0.05). Conclusion: Based on the results of the present study, the success rate of Valsalva maneuver with the mentioned handmade device was calculated to be 14.8%. The only independent related factor of successful reversion was SVT history. PMID- 29201964 TI - Intravenous Lidocaine Compared to Fentanyl in Renal Colic Pain Management; a Randomized Clinical Trial. AB - Introduction: Using alpha blockers such as intravenous (IV) lidocaine has been deemed effective in controlling acute pain. Therefore, the current study was designed with the aim of evaluating the efficiency of IV lidocaine in comparison to IV fentanyl in pain management of patients with renal colic in emergency department (ED). Methods: In this double blind clinical trial, 18-65 year old patients that presented to ED with colicky flank pain and met the inclusion criteria of the study were allocated to either lidocaine or fentanyl group using block randomization and compared regarding pain severity 5, 10, 15, and 30 minutes after drug administration. Results: 90 patients with the mean age of 35.75+/-8.87 years were divided into 2 groups of 45 (90% male). The 2 groups were not significantly different regarding the studied baseline variables. Pain severity was not significantly different between the 2 groups at various times after injection. Treatment failure rate 15 minutes after injection was 44.4% (20 cases) in IV lidocaine and 17.8% (8 cases) in IV fentanyl group (p = 0.006). These rates were 26.6% (12 patients) versus 22.2% 30 minutes after injection (p = 0.624). Absolute risk increase of treatment failure in case of using lidocaine was 26.7 (95% CI: 8.3-44.9) in the 15th minute and 4.4 (95% CI: 13.3-22.2) 30 minutes after injection. Number needed to harm (NNH) in treatment with lidocaine 15 and 30 minutes after injection were 4 (95% CI: 2.2-12.0) and 23, respectively. Conclusion: Although mean pain severity was not significantly different between IV fentanyl and lidocaine at various times after injection, treatment failure rate was significantly higher in the IV lidocaine group 15 minutes after injection. PMID- 29201965 TI - Salivary Chemical Factors in Relation with Oral Cancer in Smokers and Non Smokers: a Literature Review. AB - Squamous cell carcinoma of oral cavity is of malignant tumors, which causes cancerous complications. DNA damage, mainly because of products of oxidative stress like reactive oxygen species, is a frequent mutagenic that triggers carcinoma. Smoking increases the probability of cancer incidence. Saliva is the first biological medium to interact with external compounds, especially smoking substances. The present study overviews the salivary level of some remarkable compounds in relation with smoking and squamous cell carcinoma. To collect data, English literature was searched in databases including PubMed, ScienceDirect and Google Scholar. The keywords used for search were as follows: 'Carcinoma, Squamous Cell', 'Smoking', 'Saliva', and 'Biomarkers'. The inclusion criteria were the presence of salivary chemical factors in relation with oral cancer and influence by smoking. Out of 239 found articles, only 56 were selected. Our results demonstrated the potential role of salivary biochemistry to predict and/or treat complications with cancer in both smoker and non-smoker individuals. Changes in concentrations of salivary chemicals including antioxidants, total antioxidant, glutathione and uric acid, epithelial growth factor, cytokine biomarkers, superoxide dismutase activity, and transcriptome were related to squamous cell carcinoma and could be used as potential biomarkers for cancer prognosis; moreover, enhancement of antioxidant level might be a potential treatment. PMID- 29201966 TI - Morphology and Dimensions of Nasopalatine Canal: a Radiographic Analysis Using Cone Beam Computed Tomography. AB - Statement of the Problem: The surgical procedure of dental implantation in anterior maxillary area may be limited by the shape and size of nasopalatine canal (NPC). CBCT imaging provides three-dimensional information for surgical planning. Purpose: This study is designed to evaluate the anatomy of NPC in a selected Iranian population. Materials and Method: In this cross sectional study, CBCT images of 301 patients were evaluated for NPC characteristics. Five linear measurements including width and length of NPC were performed on reformatted sagittal cross sections. The shapes of NPC were also classified in three groups according to Bronstein et al. classification in CBCT coronal cross sections. The effects of age and gender on measured dimension were assessed. Student's t-test, one-way ANOVA/Tukey HSD tests, chi-square and Pearson's correlation coefficient were used for statistical analysis. Results: The study comprised 140 males (48.5%) and 161 females (53.5%) with mean age of 34.56+/-11.87. The mean length of NPC for men and women were 11.46 and 9.37 mm respectively, showing a significant statistical difference. Other dimensions of NPC and alveolar bone thickness were also greater in men with exception of buccal bone plate width in front of Stensen foramen (8.45+/-2.24 vs. 8.52+/-2.03 mm).Most of the cases showed Y-shape configuration. The diameter of oral opening of NPC (3.17+/-1.01 mm) was positively correlated with the patients age (r= 0.138, p= 0.01), while buccal bone over the oral opening of NPC (7.05+/-1.38) mm showed negative correlation with age (r= -0.199, p= 0.001). Conclusion: All NPC dimensions are meaningfully greater in men except for buccal bone plate thickness in front of Stensen foramen. The type of canal has no effect on dimensions of the canal. PMID- 29201967 TI - Elite Dental Students: a Cross-Sectional Study on Different Aspects of Their Life Style. AB - Statement of the Problem: Lifestyle has a key role in having a life with quality. This is much more critical in academic community. Elite students are the scientific capital of each community; therefore, improvement of their life-style is a very crucial issue and is a way of esteeming them. Purpose: This study was aimed to scrutinize the life-style of elite dental students to provide a guideline for healthy life-style for their own and for other students, as well. Materials and Method: This descriptive and cross-sectional study was carried out on 115 Elite dental students, from a list 175 students, based upon their interest. The HPLP-II questionnaire was used which focuses on 6 behavioral fields: Spiritual Growth, Interpersonal Relations, Nutrition, Physical Activity, Health Responsibility, and Stress Management. The results also compared genders and marital status within the study group. The elite dental students were categorized in 3 age groups as 19>= yrs (Group I), 20-22 yrs (Group II), and 23<= yrs. (Group III) for comparison. Data were analyzed using SPSS version 19, independent t-test, one-way ANOVA, and Tukey's test. Results: The mean score of the HPLP-II questionnaire was 2.51+/-0.27 (out of score 4). Spiritual growth (2.85+/-0.42) and physical activity (2.16+/-0.58) were the highest and the lowest scores, respectively. Physical activity was the only subscale different between genders (p= 0.000). Marital status had not effect on life-style of students. Between the age groups, the physical activity was significantly different between group I and II (0.002). Conclusion: Elite dental students' life-style is most prominent in spiritual growth and interpersonal relationships dimensions, but is the weakest in physical activity and health responsibility behavioral attitudes. To improve the talent of all students, interventional workshops/courses aiming at modification and promotion of students' lifestyle is recommendable in the curriculum. PMID- 29201968 TI - Clinicopathologic Study of Intra- Osseous Lesions of the Jaws in Southern Iranian Population. AB - Statement of the Problem: It is necessary for surgeons and practitioners to know about relative incidence and clinicopathologic features of lesions for accurate diagnosis and approach of pathologic lesions. Data are limited about overall incidence of intra-osseous lesions of the jaws in Iranian patients. Purpose: This study evaluated the clinicopathologic features of intra- osseous lesions of the jaws in an Iranian population, in a 22-year period. Materials and Method: In this cross- sectional retrospective analytical study, 4500 specimens in a 22- year period were reviewed. Baseline data of all patients with intra- osseous lesions including type and location of lesions as well as patients' age and gender, were collected and analyzed by SPSS software using descriptive analysis and Chi-square test. Results: There were 1121 (25%) intra-osseous lesion. Odontogenic cysts and benign non- odontogenic bone lesions were the most common categories, respectively. The mean age of the patients was 30.1+/-16, the total male to female ratio was 1.1:1, and the most prevalent location of lesions was posterior of mandible. Conclusion: The results showed baseline information of intra-osseous lesions that were essentially similar to other populations; however, there were a few geographical differences. Further comprehensive studies in other parts of country are required to make a more reliable source of reference for clinicians and surgeons for evaluating and managing their patients more properly. PMID- 29201969 TI - The Effect of Disinfection with Chlorhexidine on the Shear Bond Strength of Equia Resin-Modified Glass Ionomer Cement to Dentin in Permanent Teeth after Two Thermocycling Protocols. AB - Statement of the Problem: There are some concerns regarding the effect of chlorhexidine (CHX) applied for cavity disinfection on the bond strength of adhesive restorations to dentin. Purpose: This study sought to assess the effect of CHX on the shear bond strength (SBS) of Equia resin-modified glass ionomer cement (RMGIC) to dentin in permanent teeth. Materials and Method: In this experimental study, the buccal surface of 84 freshly extracted human premolars was ground to expose the flat dentin. The samples were randomly assigned to four groups (n=21). The steps were as following in the group Ia: conditioning, Equia RMGIC, 500 thermal cycles; group Ib: conditioning, Equia RMGIC, 6000 thermal cycles; group IIa: conditioning, CHX, Equia RMGIC, 500 thermal cycles, and group IIb: conditioning, CHX, Equia RMGIC, and 6000 thermal cycles. Twenty samples from each group were subjected to SBS test and one sample was inspected under a scanning electron microscope. Data were analyzed using two-way ANOVA and t-test. Results: The SBS was significantly different among the groups (p= 0.007). The groups subjected to 500 thermal cycles showed significantly higher SBS to dentin when they were treated with CHX (p= 0.000). There was no significant difference between samples thermocycled for 6000 cycles with and without application of CHX (p= 0.269). The SBS in the groups that were thermocycled for 6000 cycles (Ib and IIb) was lower than those thermocycled for 500 cycles (Ia and IIa). This difference between IIa and IIb was statistically significant (p= 0.007). Conclusion: Chlorhexidine can positively affect the short term SBS of Equia RMGIC to dentin. PMID- 29201970 TI - Comparison of the Marginal Bone Loss in One-stage versus Two-stage Implant Surgery. AB - Statement of the Problem: Dental implant is one of the best choices for reconstruction of aesthetic and function. High success rate of these treatments are related to some considerations such as case selection, implant system selection and surgical methods. One-stage or two-stage surgical approaches are routine surgical methods in dental implant treatments. The minimum rate of bone loss around fixtures is the most important criteria for evaluation of implant treatment success that can be affected by different methods of surgery. Purpose: This experimental study has been done to compare the crestal bone loss at mesial and distal surface of implants installed through either one-stage or two-stage surgical approach. Materials and Method: In the present randomized clinical trial, 310 Astra Tech implant system were divided into two unequal groups to be used for 140 patients. One hundred and seventy implants were inserted through one stage and 140 through two-stage surgical approach. The baseline parallel periapical radiography was provided immediately after the surgery. Six months after the functional loading, another radiographic image was provided by using the same technique and machine. Marginal bone loss was calculated by using Adobe Photoshop CS5 software. Data were statistically analyzed with SPSS software. p values less than 0.05 were considered as significant. Results: The mean Bone loss on the mesial and distal surfaces of implants inserted through one-stage surgery and two-stage surgery was 0.76+/-0.04 and 0.842+/-0.04 mm respectively. No notable marginal bone change was observed between the maxilla (0.860mm) and mandible (0.729mm). Moreover, p Value was>0.05 in all samples, indicating no significant difference in the crestal bone loss. Conclusion: Accordingly, one stage surgical technique may provide better esthetic and function for dental implants. There is no significant difference between the two approaches concerning the marginal bone loss. PMID- 29201971 TI - The Effect of Autoclave Sterilization on Resistance to Cyclic Fatigue of Hero Endodontic File #642 (6%) at Two Artificial Curvature. AB - Statement of the Problem: File fracture can interfere with cleaning and shaping of the canal and compromise periradicular healing. Autoclave sterilization may prone the files to fracture. Purpose: The purpose of the present study was to determine the effect of autoclave sterilization on the cyclic fatigue resistance of Hero642 rotary instrument in two curvatures of 45 and 60 degrees. Materials and Method: For this experimental in-vitro study, 90 Nickel-Titanium HERO 642 rotary files #30 with 0.06 taper were selected. They were divided into two groups (curvature of 45 and 60 degree) of 45 files. Each group was then subdivided into 3 subgroups; group I: no sterilization, group II: 5 cycles of sterilization and group III: 10 cycles of sterilization. Files were used in artificial canals until fracture. The cyclic fatigue was measured as the number of cycles before fracture. The data was statically analyzed by Student's t-test and two-way analysis of variance. Results: There was a significant difference in cyclic fatigue of two curvature of 45 and 60 degrees (p= 0.001). However, sterilization process has no significant effect on cyclic fatigue of HERO files (p= 0.557). Conclusion: Sterilization had no effect on the cyclic fatigue of HERO 642 files when used in curvature of 45 or 60 degrees. PMID- 29201972 TI - A Survey of Knowledge, Attitude and Practice of Iranian Dentists and Pedodontists in Relation to Child Abuse. AB - Statement of the Problem: Since almost half of the child abuse cases affect the head and neck region, dentists have an important role in the diagnosis and report of oral and dental aspects of child abuse cases. Purpose: The objective of the current study was to evaluate the knowledge, attitude and practice of the general dentists and pedodontists regarding child abuse and child neglect. Materials and Method: This cross-sectional study was carried out on the participants of the 12th congress of pedodontists of Iran. A self-administered questionnaire was used for evaluating their knowledge, attitude and practice toward child abuse. T-test and ANOVA were applied to analyze the data by SPSS software. p <0.05 was considered statistically significant. Results: The mean score of knowledge, attitude and practice of the participants regarding child abuse was 10.24+/-2.68, 41.54+/-11.24 and 2.78+/-1.05, respectively. The knowledge of pedodontists was significantly higher than knowledge of general dentists. No statistically significant difference was observed in attitude and practice (p> 0.05). Conclusion: Dentists had a moderate knowledge, poor attitude and moderate practice regarding child abuse. Considering this fact, improvements in child abuse education for undergraduate students and continuing post-graduate training in this field are recommended. PMID- 29201973 TI - The Accuracy of Four Impression-making Techniques in Angulated Implants Based on Vertical Gap. AB - Statement of the Problem: Precision of the impression taken from implant positions significantly determines accurate fit of implant-supported prostheses. An imprecise impression may produce prosthesis misfit. Purpose: This study aimed to evaluate the accuracy of four impression-making techniques for angulated implants by stereomicroscope through measuring the vertical marginal gaps between the cemented metal framework and the implant analog. Materials and Method: A definitive cast with two 15 degrees mesially angulated implants served as the standard reference for making all the impressions and later for accuracy evaluation. Four groups of five samples were evaluated: (1) closed-tray snap-fit transfer, (2) open-tray nonsplinted impression coping, (3) metal splinted impression coping, and (4) fabricated acrylic resin transfer cap. A gold palladium framework was fabricated over the angulated implant abutments, the fit of which was used as reference. The gaps between the metal framework and the implant analogs were measured in sample groups. Corresponding means for each technique and the definitive cast were compared by using ANOVA and post hoc tests. Results: The mean marginal gap was 38.16+/-0um in definitive cast, 89+/ 19.74um in group 1, 78.66+/-20.63um in group 2, 54.16+/-24.29um in group 3, and 55.83+/-18.30um in group 4. ANOVA revealed significant differences between the definitive cast and groups 1 and 2, but not with groups 3 and 4 (p< 0.05). Conclusion: Vertical gap measurements showed that metal splinted impression coping and fabricated acrylic resin transfer cap techniques produced quite more accurate impressions than closed-tray snap-fit transfer and open-tray nonsplinted impression coping techniques do. The fabricated acrylic resin transfer cap technique seems to be a reliable impression-making method. PMID- 29201974 TI - The Risk Factors in Early Failure of Dental Implants: a Retrospective Study. AB - Statement of the Problem: Despite the low failure rate of dental implants, recognition of the risk factors can enhance the predictability of failure. Purpose: The aim of this study was to evaluate the risk factors for early implant failure. Materials and Method: This retrospective cohort study was conducted on two groups of patients, the patients with a failed implant before loading and those without a failed implant. Age, gender, implant type, implant surface, implant length, bone type, type of surgery (one- or two-stage) and immediate (fresh socket) or delayed placement of implant were the variables to be assessed in this study. Results: Out of the 1,093 evaluated implants, 73 cases (6.68%) failed in early stages. The two groups were significantly different in terms of implant surface, fresh socket placement, prophylactic use of antibiotics, and bone density (p< 0.05). Age, gender, implant height, implant type (cylindrical or tapered) and one-stage or two-stage placement were not significantly different between the two groups (p> 0.05). Conclusion: It seems that prophylactic antibiotic therapy, implant surface, bone density and placement in fresh extraction socket may contribute to dental implant failure. PMID- 29201975 TI - Angulated Implants for Fabrication of Implant Supported Fixed Partial Denture in the Maxilla. AB - Until recently, angled abutments have been the only solution to correcting the trajectory of the emergence profile of labially inclined implants in the maxilla. However, the clinical implications of angled abutments reveal several shortcomings. Newly designed angulated implants with a 12-degree restorative platform angulation are an alternative to angled abutments. The purpose of this article was to report a case utilizing new angulated implants (Co-axis, Keystone dental, Burlington, MA, USA) in the premaxilla thereby facilitating fabrication of a multi-unit implant retained fixed dental prosthesis. PMID- 29201976 TI - Palisaded Encapsulated (Solitary Circumscribed) Neuroma of the Buccal Mucosa: a Rare Case. AB - The rarity of oral soft tissue spindle cell tumors combined with overlapping microscopic patterns can make challenges in their diagnosis and treatment. Oral cavity palisaded encapsulated neuroma is an uncommon lesion which occurs often on the hard palate. It is essential for oral pathologists to be familiar with its histopathology of this lesion is essential since many lesions are probably diagnosed microscopically as neurofibroma or schwannoma. Here, we report a case of oral palisaded encapsulated (solitary circumscribed) neuroma in an unusual site. PMID- 29201977 TI - Mixed Emotions Within the Context of Goal Pursuit. AB - Development in adulthood occurs through the process of setting and working toward goals. Emotions link experiences to goals and action, and as such are integral to goal setting, evaluation of goal progress, and goal pursuit. When viewed in the context of goals, the simultaneous experience of positive and negative or "mixed" emotions coheres with the complexity of goal pursuit within the context of competing demands in daily life. Mixed emotions may be experienced as uncertainty in which goal to prioritize, ambiguity in whether an event served or impeded goal progress, or poignancy in a bittersweet moment of recognizing the losses that accompany gains. Mixed emotions therefore represent a problem that must be resolved-through either prioritization of conflicting goals, down-playing negative affective response, or goal disengagement-before goal pursuit can continue. Because mixed emotions must be resolved before they can be translated to action, the experience of mixed emotions may evoke a new awareness of priorities and available options that leads to better goal outcomes. Over time, openness to mixed emotions could result in outcomes such as better health and self-actualization. PMID- 29201978 TI - Power analysis data set for 4-Bit MOCLA adder. AB - In order to reduce the silicon area of the chip and optimize the power of arithmetic circuits, this paper proposes a low power carry look-ahead BCD (Binary Coded Decimal) adder which uses a four bit MOCLA (Multiplexer and Or gate based Carry Look Ahead Adder) that forms the basic building block. This proposed MOCLA style uses a 2 input MUX, OR gate and GDI (Gate Diffusion Input) based full adder and PG units and it is used for achieving low power in BCD adder circuits. PMID- 29201979 TI - Quantitative evaluation of pregnant women delivery status' records in Akure, Nigeria. AB - In this data article, monthly records (datasets) of total delivery, normal delivery, delivery through Caesarean section and number of still births from pregnant women in Akure, the capital city of Ondo state Nigeria, for a period of ten years, between January 2007 and December 2016 were considered. Correlational and time series analyses were conducted on the monthly records of total delivery, normal delivery (delivery through woman virginal), delivery through Caesarean section, and number of still births, in order to observe the patterns each of these indicators follows and to recommend appropriate model for forecasting their future values. The data were obtained in raw form from State Specialist Hospital (SSH), Akure, Ondo state, Nigeria. A clear description and variation in each of these indicators (total delivery, normal delivery, caesarean section, and still births) were considered separately using descriptive statistics and box plots. Different models were also proposed for each of these indicators using time series models. PMID- 29201980 TI - Experimental data of co-crystals of Etravirine and L-tartaric acid. AB - Etravirine is a drug used alongside other medication in the treatment of HIV and is a non-nucleoside reverse transcriptase inhibitor. It is a BCS class IV drug, having low solubility and high permeability (Drugbank, https://www.drugbank.ca/drugs/DB06414) [1]. As a result, large doses of the drug are required for treatment. Two pills have to be taken twice a day, making it a "pill burden" (Intelence, http://www.intelence.com/hcp/dosing/administration options) [2]. Therefore, attempts of co-crystallizing Etravirine are attractive as the solubility of the drug tends to increase in this solid form (Schultheiss and Newman, 2009) [3]. In this study Etravirine co-crystals were synthesized in the molar ratios 1:1, 1:2 and 2:1 with L-tartaric acid as the co-former. Both slow evaporation and physical mixture was performed to mix the components. DSC values of final products are presented as well as FTIR spectra to observe the altered intermolecular interactions. A chemical stability test was performed after seven days using area under curve data from an HPLC instrument. PMID- 29201981 TI - Data on the optimized sulphate electrolyte zinc rich coating produced through in situ variation of process parameters. AB - In this study, a comprehensive effect of particle loading and optimised process parameter on the developed zinc electrolyte was presented. The depositions were performed between 10-30 min at a stirring rate of 200 rpm at room temperature of 30 degrees C. The effect of coating difference on the properties and interfacial surface was acquired, at a voltage interval between 0.6 and 1.0 V for the coating duration. The framework of bath condition as it influences the coating thickness was put into consideration. Hence, the electrodeposition data for coating thickness, and coating per unit area at constant distance between the anode and cathode with depth of immersion were acquired. The weight gained under varying coating parameter were acquired and could be used for designing and given typical direction to multifunctional performance of developed multifacetal coatings in surface engineering application. PMID- 29201982 TI - Dataset of the HOX1 gene sequences of the wheat polyploids and their diploid relatives. AB - The TaHOX-1 gene of common wheat Triticum aestivum L. (BAD-genome) encodes transcription factor (HD-Zip I) which is characterized by the presence of a DNA binding homeodomain (HD) with an adjacent Leucine zipper (LZ) motif. This gene can play a role in adapting plant to a variety of abiotic stresses, such as drought, cold, salinity etc., which strongly affect wheat production. However, it's both functional role in stress resistance and divergence during wheat evolution has not yet been elucidated. This data in brief article is associated with the research paper "Structural and functional divergence of homoeologous copies of the TaHOX-1 gene in polyploid wheats and their diploid ancestors". The data set represents a recent survey of the primary HOX-1 gene sequences isolated from the first wheat allotetraploids (BA-genome) and their corresponding Triticum and Aegilops diploid relatives. Specifically, we provide detailed information about the HOX-1 nucleotide sequences of the promoter region and both nucleotide and amino acid sequences of the gene. The sequencing data used here is available at DDBJ/EMBL/GenBank under the accession numbers MG000630-MG000698. PMID- 29201983 TI - Data on novel DNA methylation changes induced by valproic acid in human hepatocytes. AB - Valproic acid (VPA) is a widely prescribed antiepileptic drug in the world. Despite its pharmacological importance, it may cause liver toxicity and steatosis. However the exact mechanism of the steatosis formation is unknown. The data presented in this DIB publication is used to further investigate the VPA induced mechanisms of steatosis by analyzing changes in patterns of methylation. Therefore, primary human hepatocytes (PHHs) were exposed to VPA at a concentration which was shown to cause steatosis without inducing overt cytotoxicity. VPA was administered for 5 days daily to PHHs. Furthermore, after 5 days VPA-treatment parts of the PHHs were followed for a 3 days washout. Differentially methylated DNA regions (DMRs) were identified by using the 'Methylated DNA Immuno-Precipitation - sequencing' (MeDIP-seq) method. The data presented in this DIB demonstrate induced steatosis pathways by all DMRs during VPA-treatment, covering interesting drug-induced steatosis genes (persistent DMRs upon terminating VPA treatment and the EP300 network). This was illustrated in our associated article (Wolters et al., 2017) [1]. MeDIP-seq raw data are available on ArrayExpress (accession number: E-MTAB-4437). PMID- 29201984 TI - Genome statistics and phylogenetic reconstructions for Southern Hemisphere whelks (Gastropoda: Buccinulidae). AB - This data article provides genome statistics, phylogenetic networks and trees for a phylogenetic study of Southern Hemisphere Buccinulidae marine snails [1]. We present alternative phylogenetic reconstructions using mitochondrial genomic and 45S nuclear ribosomal cassette DNA sequence data, as well as trees based on short length DNA sequence data. We also investigate the proportion of variable sites per sequence length for a set of mitochondrial and nuclear ribosomal genes, in order to examine the phylogenetic information provided by different DNA markers. Sequence alignment files used for phylogenetic reconstructions in the main text and this article are provided here. PMID- 29201985 TI - Assessment of groundwater quality and evaluation of scaling and corrosiveness potential of drinking water samples in villages of Chabahr city, Sistan and Baluchistan province in Iran. AB - The aims of this study were to assess and analysis of drinking water quality of Chabahar villages in Sistan and Baluchistan province by water quality index (WQI) and to investigate the water stability in subjected area. The results illustrated that the average values of LSI, RSI, PSI, LS, and AI was 0.5 (+/-0.34), 6.76 (+/ 0.6), 6.50 (+/-0.99), 2.71 (+/-1.59), and 12.63 (+/-0.34), respectively. The calculation of WQI for groundwater samples indicated that 25% of the samples could be considered as excellent water, 50% of the samples were classified as good water category and 25% of the samples showed poor water category. PMID- 29201986 TI - Data describing the accuracy of non-numerical visual features in predicting fMRI responses to numerosity. AB - Here we took several stimulus configurations that have the same numerosity progression but vary considerably in their non-numerical visual features. We collected responses to these stimuli using ultra-high-field (7T) fMRI in a posterior parietal area that responds to changes in these stimuli. We first quantify the relationships between numerosity and several non-numerical visual features in each stimulus configuration. We then use population receptive field (pRF) modeling to quantify how well responses to each of these visual features predicts the observed responses to each stimulus configuration, and observed responses to all stimulus configurations together. We compare the predictive accuracy of responses to numerosity and to non-numerical visual features in explaining the observed responses. This provides the details of the analysis outcomes summarized in an accompanying article (10.1016/j.neuroimage.2017.02.012, NIMG-16-1350). PMID- 29201987 TI - Axillary lymph node metastasis in ovarian carcinoma: Two case reports and review of literature. AB - *Extra-peritoneal metastasis is uncommon in epithelial ovarian carcinoma.*Metastasis of epithelial ovarian carcinoma to axillary lymph node is rare.*Lymphatic drainage system can explain the rout of this distant metastasis.*Tissue diagnosis is the mainstay in identifying the origin of axillary metastasis. PMID- 29201988 TI - Solitary fibrous tumor of the vulva resulting in spinal metastasis: A case report. AB - *Solitary fibrous tumors are typically indolent tumors of the pleura.*Primary origin in the female reproductive organs is rare, as are aggressive forms.*We report a case of a vulvar solitary fibrous tumor, notable for extensive spinal metastasis. PMID- 29201989 TI - Geographic disparities in the distribution of the U.S. gynecologic oncology workforce: A Society of Gynecologic Oncology study. AB - A recent ASCO workforce study projects a significant shortage of oncologists in the U.S. by 2020, especially in rural/underserved (R/US) areas. The current study aim was to determine the patterns of distribution of U.S. gynecologic oncologists (GO) and to identify provider-based attitudes and barriers that may prevent GOs from practicing in R/US regions. U.S. GOs (n = 743) were electronically solicited to participate in an on-line survey regarding geographic distribution and participation in outreach care. A total of 320 GOs (43%) responded; median age range was 35-45 years and 57% were male. Most practiced in an urban setting (72%) at a university hospital (43%). Only 13% of GOs practiced in an area with a population < 50,000. A desire to remain in academics and exposure to senior-level mentorship were the factors most influencing initial practice location. Approximately 50% believed geographic disparities exist in GO workforce distribution that pose access barriers to care; however, 39% "strongly agreed" that cancer patients who live in R/US regions should travel to urban cancer centers to receive care within a center of excellence model. GOs who practice within 50 miles of only 0-5 other GOs were more likely to provide R/US care compared to those practicing within 50 miles of >= 10 GOs (p < 0.0001). Most (39%) believed the major barriers to providing cancer care in R/US areas were volume and systems-based. Most also believed the best solution was a hybrid approach, with coordination of local and centralized cancer care services. Among GOs, a self-reported rural-urban disparity exists in the density of gynecologic oncologists. These study findings may help address barriers to providing cancer care in R/US practice environments. PMID- 29201990 TI - Retinal thickness correlates with parietal cortical atrophy in early-onset Alzheimer's disease and controls. AB - Introduction: The retina may reflect Alzheimer's disease (AD) neuropathological changes and is easily visualized with optical coherence tomography (OCT). Retinal thickness decrease has been correlated to AD, however, without information on amyloid status. We correlated retinal (layer) thickness to AD biomarkers in amyloid-positive early-onset AD (EOAD) patients and amyloid-negative controls. Methods: We measured macular thickness and peripapillary retinal nerve fiber layer thickness with OCT in 15 EOAD patients and 15 controls and correlated retinal thickness to visual rating scores for atrophy on magnetic resonance imaging. Results: Total macular thickness correlated to parietal cortical atrophy in both groups (Spearman rho -0.603, P = .001). Macular and peripapillary retinal nerve fiber layer thicknesses were not significantly decreased in EOAD compared to controls. Discussion: Retinal thickness does not discriminate EOAD from controls but is correlated to parietal cortical atrophy in both groups. These findings may suggest reflection of cerebral cortical changes in the retina, independent of amyloid. PMID- 29201991 TI - White matter signal abnormalities in former National Football League players. AB - Introduction: Later-life brain alterations in former tackle football players are poorly understood, particularly regarding their relationship with repetitive head impacts (RHIs) and clinical function. We examined white matter signal abnormalities (WMSAs) and their association with RHIs and clinical function in former National Football League (NFL) players. Methods: Eighty-six clinically symptomatic former NFL players and 23 same-age reportedly asymptomatic controls without head trauma exposure underwent magnetic resonance imaging and neuropsychological testing. FreeSurfer calculated WMSAs. A cumulative head impact index quantified RHIs. Results: In former NFL players, increased volume of WMSAs was associated with higher cumulative head impact index scores (P = .043) and worse psychomotor speed and executive function (P = .015). Although former NFL players had greater WMSA volume than controls (P = .046), these findings are inconclusive due to recruitment of controls based on lack of clinical symptoms and head trauma exposure. Discussion: In former NFL players, WMSAs may reflect long-term microvascular and nonmicrovascular pathologies from RHIs that negatively impact cognition. PMID- 29201992 TI - Probability of Alzheimer's disease in breast cancer survivors based on gray matter structural network efficiency. AB - Introduction: Breast cancer chemotherapy is associated with accelerated aging and potentially increased risk for Alzheimer's disease (AD). Methods: We calculated the probability of AD diagnosis from brain network and demographic and genetic data obtained from 47 female AD converters and 47 matched healthy controls. We then applied this algorithm to data from 78 breast cancer survivors. Results: The classifier discriminated between AD and healthy controls with 86% accuracy (P < .0001). Chemotherapy-treated breast cancer survivors demonstrated significantly higher probability of AD compared to healthy controls (P < .0001) and chemotherapy-naive survivors (P = .007), even after stratifying for apolipoprotein e4 genotype. Chemotherapy-naive survivors also showed higher AD probability compared to healthy controls (P = .014). Discussion: Chemotherapy treated breast cancer survivors who have a particular profile of brain structure may have a higher risk for AD, especially those who are older and have lower cognitive reserve. PMID- 29201993 TI - Traumatic exposures, posttraumatic stress disorder, and cognitive functioning in World Trade Center responders. AB - Introduction: This study examined whether World Trade Center (WTC)-related exposures and posttraumatic stress disorder (PTSD) were associated with cognitive function and whether WTC responders' cognition differed from normative data. Methods: A computer-assisted neuropsychological battery was administered to a prospective cohort study of 1193 WTC responders with no history of stroke or WTC related head injuries. Data were linked to information collected prospectively since 2002. Sample averages were compared to published norms. Results: Approximately 14.8% of sampled responders had cognitive dysfunction. WTC responders had worse cognitive function compared to normative data. PTSD symptom severity and working >5 weeks on-site was associated with lower cognition. Discussion: Results from this sample highlight the potential for WTC responders to be experiencing an increased burden of cognitive dysfunction and linked lowered cognitive functioning to physical exposures and to PTSD. Future research is warranted to understand the extent to which cognitive dysfunction is evident in neural dysfunction. PMID- 29201994 TI - Speed of processing training results in lower risk of dementia. AB - Introduction: Cognitive training improves cognitive performance and delays functional impairment, but its effects on dementia are not known. We examined whether three different types of cognitive training lowered the risk of dementia across 10 years of follow-up relative to control and if greater number of training sessions attended was associated with lower dementia risk. Methods: The Advanced Cognitive Training in Vital Elderly (NCT00298558) study was a randomized controlled trial (N = 2802) among initially healthy older adults, which examined the efficacy of three cognitive training programs (memory, reasoning, or speed of processing) relative to a no-contact control condition. Up to 10 training sessions were delivered over 6 weeks with up to four sessions of booster training delivered at 11 months and a second set of up to four booster sessions at 35 months. Outcome assessments were taken immediately after intervention and at intervals over 10 years. Dementia was defined using a combination of interview- and performance-based methods. Results: A total of 260 cases of dementia were identified during the follow-up. Speed training resulted in reduced risk of dementia (hazard ratio [HR] 0.71, 95% confidence interval [CI] 0.50-0.998, P = .049) compared to control, but memory and reasoning training did not (HR 0.79, 95% CI 0.57-1.11, P = .177 and HR 0.79, 95% CI 0.56-1.10, P = .163, respectively). Each additional speed training session was associated with a 10% lower hazard for dementia (unadjusted HR, 0.90; 95% CI, 0.85-0.95, P < .001). Discussion: Initially, healthy older adults randomized to speed of processing cognitive training had a 29% reduction in their risk of dementia after 10 years of follow-up compared to the untreated control group. PMID- 29201995 TI - Protective effect of antirheumatic drugs on dementia in rheumatoid arthritis patients. AB - Introduction: Rheumatoid arthritis is a systemic inflammatory disease, and classical disease-modifying antirheumatic drugs (cDMARDs) have proven efficacy. It is unknown what impact cDMARDs might have on dementia as an outcome. Methods: Incident diagnoses of rheumatoid arthritis in persons over 18 years from 1995 to 2011 were identified from the UK Clinical Practice Research Datalink. There were 3876 cDMARD users and were propensity score matched to 1938 nonusers, on a wide range of confounders. Impact on dementia was assessed using survival models. Results: cDMARD users were at reduced risk of dementia (hazard ratio: 0.60; 95% confidence interval: 0.42-0.85). The effect was strongest in methotrexate users (hazard ratio: 0.52; 95% confidence interval; 0.34-0.82). Discussion: The strong effect of cDMARD use on halving of dementia risk requires replication in a trial and may provide an important therapeutic pharmacological treatment. PMID- 29201996 TI - A randomized, exploratory molecular imaging study targeting amyloid beta with a novel 8-OH quinoline in Alzheimer's disease: The PBT2-204 IMAGINE study. AB - Introduction: We are developing a second generation 8-OH quinoline (2 (dimethylamino) methyl-5, 7-dichloro-8-hydroxyquinoline [PBT2, Prana Biotechnology]) for targeting amyloid beta (Abeta) in Alzheimer's disease (AD). In an earlier phase IIa, 3 month trial, PBT2 lowered cerebrospinal fluid Abeta by 13% and improved cognition (executive function) in a dose-related fashion in early AD. We, therefore, sought to learn whether PBT2 could alter the Abeta-PET signal in subjects with prodromal or mild AD, in an exploratory randomized study over a 12-month phase in a double-blind and a 12-month open label extension phase trial design. Methods: For inclusion, the usual clinical criteria for prodromal or probable AD, Mini-Mental State Examination >=20, and global Pittsburgh compound B (PiB)-PET standardized uptake volume ratio (SUVR) >1.7 were used. As this was an exploratory study, we included contemporaneous matched control data from the Australian Imaging Biomarker and Lifestyle Study (AIBL). Other measures included fluorodeoxyglucose-positron emission tomography, magnetic resonance imaging volumetrics, blood Abeta biomarkers, and cognition and function. Results: Forty subjects completed the first 12-month double-blind phase (placebo = 15, PBT2 = 25), and 27 subjects completed the 12-month open label extension phase (placebo = 11, PBT2 = 16). Overall, PTB2 250 mg/day was safe and well tolerated. The mean PiB-PET SUVR at baseline was 2.51 +/- 0.59. After adjusting for baseline SUVR, in the double-blind phase, the placebo group showed a nonsignificant decline in PiB-PET SUVR, whereas the PBT2 group declined significantly (P = .048). Subjects who did not enter or complete the extension study had a significantly higher 12-month Abeta-PET SUVR (2.68 +/- 0.55) compared with those who completed (2.29 +/- 0.48). Both groups differed significantly from the rate of change over 12 months in the AIBL control group. In the open label 12-month extension study, the PiB-SUVR stabilized. There were no significant differences between PBT2 and controls in fluorodeoxyglucose-positron emission tomography, magnetic resonance imaging volumetrics, blood Abeta biomarkers, or cognition/function over the course of the double-blind phase. Discussion: There was no significant difference between PBT2 and controls at 12 months, likely due to the large individual variances over a relatively small number of subjects. PBT2 was associated with a significant 3% PiB-PET SUVR decline in the double blind phase and a stabilization of SUVR in the open-label phase. From this exploratory study, we have learned that the entry criterion of SUVR should have been set at >= 1.5 and <2.0, where we know from the AIBL study that subjects in this band are accumulating Abeta in a linear fashion and that subjects who withdrew from this type of study have much higher SUVRs, which if not taken into account, could distort the final results. Because of large individual variations in SUVR, future studies of PBT2 will require larger numbers of subjects (n > 90 per arm) over a longer period (18 months or more). Further evaluation of higher doses of PBT2 in earlier stages of AD is warranted. Trial Registration: ACTRN 12611001008910 and ACTRN 12613000777796. PMID- 29201997 TI - Cardiac rehabilitation in patients with cardiovascular disease leads various hemodynamic parameters obtained using simple non-invasive tests to their appropriate levels. AB - We evaluated whether comprehensive cardiac rehabilitation (CR) in patients with cardiovascular disease (CVD) could improve various hemodynamic parameters obtained using simple non-invasive tests. We analyzed 48 CVD patients with (n = 38, CR group) or without (n = 10, non-CR group) a CR program, and prospectively followed them for 12 months. Various parameters were measured at baseline and after 12 months using 3 simple non-invasive tests: blood pressure (BP) and severity of atherosclerosis [arterial velocity pulse index (AVI) and atrial pressure volume index] were determined using PASESA(r), an index of total autonomic nerve activity and a coefficient of variation of the R-R interval (CVRR) were determined using eHEART(r), and the total peripheral resistance, stroke volume and cardiac index (CI) were determined using nico(r). The main hemodynamic parameters did not change between baseline and 12 months in both groups. Patients in the CR group were divided into higher (H-) and lower (L-) systolic BP (SBP) or AVI according to the average value of SBP or AVI at baseline in the CR group. Patients with H-SBP or H-AVI in the CR group showed a significant reduction of SBP or AVI at 12 months. In addition, patients in the CR group were divided into H- and L- CI or CVRR according to the average value of CI or CVRR at baseline in the CR group. Patients with L-CI or L-CVRR in the CR group significantly improved after 12 months. In conclusion, CR may lead various hemodynamic parameters obtained using simple non-invasive tests to their appropriate levels. PMID- 29201998 TI - Treatment and Outcome for Children with Esophageal Atresia from a Gender Perspective. AB - Background: Besides the incidence of esophageal atresia (EA) being higher in males, no other gender-specific differences in EA have been reported. The aim of this study was to search for gender-specific differences in EA. Methods: A retrospective study was conducted at a tertiary center for pediatric surgery. The medical charts of infants born with EA were reviewed. 20 girls were identified, and 20 boys were selected as matched controls with respect to concomitant malformations. Their treatment and outcome were evaluated. Results: Polyhydramnios was more common in pregnancies with boys, 40%, versus girls, 10%, with EA (p < 0.01). In total, 36 (90%) children had patent ductus arteriosus, without any gender difference (18 and 18, resp., p=1). The distribution of days at the different levels of care was not equally distributed between boys and girls. Boys with EA had significantly more postoperative days (median 5 days) in the ward than girls (median 5 and 2 days, resp., p=0.04). No other gender specific differences in surgical treatment, complications, or symptoms at follow up were identified. Conclusion: Polyhydramnios appears to be more frequent in pregnancies with boys than girls with EA. In this study, boys have longer stays than girls at the pediatric surgery ward. PMID- 29201999 TI - Clinical impact of prophylactic clip closure of mucosal defects after colorectal endoscopic submucosal dissection. AB - Background and study aims: Endoscopic submucosal dissection (ESD) is useful for en bloc resection of superficial colorectal neoplasms to ensure accurate histologic diagnoses. However, colorectal ESD is associated with a high frequency of adverse events (AEs). We aimed to investigate the effectiveness of prophylactic clip closure (PCC) of mucosal defects for AEs after colorectal ESD. Patients and methods: This study included 197 patients with 211 lesions who underwent colorectal ESD between June 2010 and August 2016. Patients who had delayed perforation, delayed bleeding, abdominal pain, or fever were defined as AEs after colorectal ESD. Complete PCC was defined as completely sutured mucosal defect using endoclips following colorectal ESD, whereas incomplete PCC was defined as the mucosal defects that did not enable PCC or were partially sutured. Clinical records were retrospectively reviewed and clinical outcomes evaluated. Results : AEs occurred in 29 lesions (13.7 %), including 12 with delayed bleeding, 12 with fever, 2 with abdominal pain, 2 with fever and abdominal pain, and 1 with delayed bleeding and fever. Delayed perforation was not observed in any patient. The frequency of AEs was significantly lower in the group with complete PCC than in the group with incomplete PCC (7.3 % [9/123] vs. 22.7 % [20/88]; P < 0.001). Multivariate analysis revealed that AEs after colorectal ESD were significantly associated with tumor size and submucosal fibrosis. Subgroup analysis among the resected specimen size of < 40 mm revealed that there was no significant difference in AEs between the 2 groups (5.6 % [6/107] vs. 17.8 % [8/45]; P = 0.069). However, the frequency of fever with complete PCC was significantly lower than that with incomplete PCC (2.8 % [3/107] vs. 13.3 % [6/45]; P = 0.020). Conclusions : Tumor size and submucosal fibrosis were independent risk factors for AEs after colorectal ESD. PCC may be effective in minimizing AEs after colorectal ESD, especially the frequency of fever. PMID- 29202000 TI - A short telephone-call reminder improves bowel preparation, quality indicators and patient satisfaction with first colonoscopy. AB - Background and study aims: Addition of a reminder program to conventional indications improves colonoscopy. The aim of this study was to evaluate the effectiveness of a short telephone call reminder (STCR) on a patient's first colonoscopy. Patients and methods: One day before colonoscopy, we made a STCR of < 10 minutes to 141 randomly selected patients of 258 recruited. The STCRs informed patients about the procedure date, indications for taking laxatives, and dietetic requirements. Questions were clarified only when patients asked directly. We evaluated bowel preparation, quality indicators, and patient satisfaction. Data were expressed as mean +/- SD and percentages. Statistical differences were evaluated by Student's t and Chi squared tests; alpha = 0.05. All authors had access to the study data and reviewed and approved the final manuscript. Results: The STCR group had better bowel preparation which was demonstrated by higher completion frequency (97.16 % vs. 82.05 %), in less time (4.52 +/- 3.06 vs. 5.38 +/- 3.03 hours) intake of laxative, and higher Boston's scale (7.66 +/- 2.42 vs. 5.2 +/- 1.65). Quality indicators of colonoscopy were better in patients that received a STCR [cecal intubation rate: 100.00 % vs. 87.18 %; polyp detection: 42.55 % vs. 9.4 %; and cecal arrival time (min): 12.09 +/- 3.62 vs. 15.09 +/- 5.02]. STCR patients were more satisfied (97.87 % vs. 55.56 %) and would repeat colonoscopy (21.99 % vs. 11.11 %). Conclusions: A simple additional step such as a STCR improves quality of bowel preparation, quality indicators, and satisfaction of patients undergoing their first colonoscopy. Clinical trial registry in Mexico City General Hospital: DI/16/107/3/108. PMID- 29202001 TI - Validating bowel preparation scales. AB - Background and study aim: Few scales assessing bowel preparation quality have been validated, and direct between-scale comparisons remain scarce. The aim of the study was to compare inter- and intra-rater reliability, predictive abilities for clinical outcomes, and ease of use for each scale. Methods: Colonoscopy video recordings highlighting five colonic segments after washing were viewed independently by three physicians, and cleanliness was evaluated using the Boston Bowel Preparation Scale (BBPS), the Chicago Bowel Preparation Scale (CBPS), and the Harefield Cleansing Scale (HCS) in randomized order. Kappa or intraclass correlations quantified intra- and inter-rater reliability. Ease of use was evaluated (1 - 10 scale, 1 = easy), as were associations between scores, adenoma detection, and adequacy of preparation to exclude lesions >= 5 mm. Results: Among 83 colonoscopy videos, indications included screening or surveillance in 72.3 %. Mean (+/- SD) scores of the respective three raters were 5.17 +/- 1.57, 6.49 +/- 1.48, and 5.12 +/- 1.21 for BBPS, and 23.73 +/- 6.01, 28.39 +/- 5.47, and 24.75 +/- 5.83 for CBPS, while successful HCS scores (grade A or B) were given for 76 %, 89 %, and 63 % of examinations. Intra-rater reliability ranges were 0.88 - 1.00, 0.83 - 1.00, and 0.62 - 1.00 for BBPS, CBPS, and HCS, respectively. Similarly, inter-rater reliability ranges were 0.50 - 0.79, 0.64 - 0.83, and 0.28 - 0.52, respectively. Sources of disagreement included varying rater strictness, which was possibly most marked for preparations rated as intermediate. Overall, associations between preparation scores and adenoma detection lacked statistical significance. Conclusion: The BBPS and CBPS showed the best inter- and intra-rater reliability, and the BBPS was considered the easiest to use. Further studies are needed to determine an optimal adequacy threshold for these scales, with the goal of predicting clinical outcomes and determining the appropriate interval to the next colonoscopy. PMID- 29202002 TI - A comparison of outcomes between a lumen-apposing metal stent with electrocautery enhanced delivery system and a bi-flanged metal stent for drainage of walled-off pancreatic necrosis. AB - Background and study aims: Bi-flanged metal stents (BFMS) have shown promise in the drainage of walled-off pancreatic necrosis (WON), but their placement requires multiple steps and the use of other devices. More recently, a novel device consisting of a combined lumen-apposing metal stent (LAMS) and electrocautery-enhanced delivery system has been introduced. The aim of this study was to compare the placement and outcomes of the two devices. Patients and methods: This was a retrospective review of consecutive patients undergoing endoscopic ultrasound-guided placement of BFMS or LAMS for drainage of symptomatic WON. Data from procedures between October 2012 and December 2016 were taken from a prospectively maintained database. We compared technical and clinical success, procedure time, costs, and composite end point of significant events (adverse events, stent migration, additional percutaneous drainage) between BFMS and LAMS. Results: 72 consecutive patients underwent placement of BFMS (40 patients, 44 stents) or LAMS (32 patients, 33 stents). Technical success was 91 % for BFMS and 97 % for LAMS. Clinical success was 65 % vs. 78 %, respectively. Median in-room procedure time was significantly shorter in the LAMS group (45 minutes [range 30 - 80]) than in the BFMS group (62.5 minutes [range 35 - 135]; P < 0.001) and fewer direct endoscopic necrosectomies (DEN) were performed (median 1 [0 - 2.0] vs. 2 [0 - 3.7], respectively; P = 0.005). If only inpatients were considered (35 BFMS and 19 LAMS), there was no significant difference in DEN 2 (range 0 - 11) and 2 (range 0 - 8), respectively. The composite end point of 32 % vs. 24 % was not significantly different. Median procedural costs for all patients with successful stent placement for WON treatment was ?4427 (range 1630 - 12 926) for BFMS vs. ?3500 (range 2509 - 13 393) for LAMS ( P = 0.10). Conclusion: LAMS was superior to BFMS in terms of procedure time, with comparable adverse events, success, and costs. PMID- 29202003 TI - Implementation of an optical diagnosis strategy saves costs and does not impair clinical outcomes of a fecal immunochemical test-based colorectal cancer screening program. AB - Background and study aims: In an optical diagnosis strategy, diminutive polyps that are endoscopically characterized with high confidence are removed without histopathological analysis and distal hyperplastic polyps are left in situ. We evaluated the effectiveness and costs of optical diagnosis. Methods: Using the Adenoma and Serrated pathway to Colorectal CAncer (ASCCA) model, we simulated biennial fecal immunochemical test (FIT) screening in individuals aged 55 - 75 years. In this program, we compared an optical diagnosis strategy with current histopathology assessment of all diminutive polyps. Base-case assumptions included 76 % high-confidence predictions and sensitivities of 88 %, 91 %, and 88 % for endoscopically characterizing adenomas, sessile serrated polyps, and hyperplastic polyps, respectively. Outcomes were colorectal cancer burden, number of colonoscopies, life-years, and costs. Results: Both the histopathology strategy and the optical diagnosis strategy resulted in 21 life-days gained per simulated individual compared with no screening. For optical diagnosis, ?6 per individual was saved compared with the current histopathology strategy. These cost savings were related to a 31 % reduction in colonoscopies in which histopathology was needed for diminutive polyps. Projecting these results onto the Netherlands (17 million inhabitants), assuming a fully implemented FIT-based screening program, resulted in an annual undiscounted cost saving of ? 1.7 - 2.2 million for optical diagnosis. Conclusion: Implementation of optical diagnosis in a FIT-based screening program saves costs without decreasing program effectiveness when compared with current histopathology analysis of all diminutive polyps. Further work is required to evaluate how endoscopists participating in a screening program should be trained, audited, and monitored to achieve adequate competence in optical diagnosis. PMID- 29202004 TI - Should ESGE implement optical diagnosis in Europe? PMID- 29202005 TI - Side-by-side partially covered self-expandable metal stent placement for malignant hilar biliary obstruction. AB - Background and study aims: This study investigated the feasibility of side-by side (SBS) partially covered self-expandable metal stent (PCSEMS) placement for unresectable malignant hilar biliary obstruction (MHBO). Patients and methods: We retrospectively analyzed 33 patients from a single center who underwent endoscopic biliary drainage for unresectable MHBO from July 2013 to June 2015. In all patients with bilateral obstruction during complete bilateral intrahepatic cholangiograms, we performed endoscopic SBS placement of a 6-mm diameter PCSEMS using an 8-French delivery system. All patients underwent endoscopic sphincterotomy. Generally, patients with recurrent biliary obstruction (RBO) after stent placement underwent endoscopic reintervention. Our study outcomes included the technical and functional success rates, RBO rate, time to RBO (TRBO), reintervention rate, and incidence of adverse events. Results: Seventeen patients with unresectable MHBO during complete bilateral intrahepatic cholangiograms underwent endoscopic SBS PCSEMS placement (median age, 78 years; men, 9). Lesions were Bismuth types II (n = 10), III (n = 1), and IV (n = 6), including 10 cholangiocarcinomas, 3 gallbladder cancers, and 4 metastatic cancers. In all patients, the PCSEMS was placed across the duodenal papilla. The technical and functional success rates were 100 % and 82 %, respectively. The median procedure time was 43 minutes (interquartile range [IQR]: 36 - 52 minutes). Twelve patients had RBO (71 %), including 9 stent occlusions due to sludge and 3 stent migrations. The median TRBO was 79 days (IQR: 58 - 156 days) during the follow-up period (median 192 days [IQR: 88 - 551 days]). The median TRBO of patients with Bismuth type II lesions was significantly longer than that of patients with Bismuth types III and IV lesions (87 days [IQR: 70 - 244 days] vs. 54 days [IQR: 35 - 100 days]; P = 0.030). Thirteen patients (76 %) required endoscopic reintervention. Endoscopic stent removal was possible in 6 patients without tumor ingrowth into the uncovered distal part of the stent. One late adverse event (>= 31 days) occurred (cholangitis). Conclusions: Endoscopic SBS placement of a PCSEMS was feasible in patients with unresectable MHBO. Additionally, reinterventional stent removal was possible in the absence of tumor ingrowth. PMID- 29202006 TI - Can we insert a covered stent, partially or not, in case of hilar biliary stenosis? PMID- 29202007 TI - Epigenetic Advances in Behavioral and Brain Sciences have Relevance for Public Policy. AB - Nature and nurture work together to drive development, behavior, and health. Behavioral epigenetics research has uncovered the underlying mechanisms for how this happens. Children's early years in development may offer the greatest opportunity for environmental and experiential factors to influence epigenome (chemical compounds telling our genes what to do), but evidence suggests it is never too late. The policy implications of this research are vast, including relevance for child development, health, and disease intervention and prevention. PMID- 29202008 TI - Suppression of Oncolytic Adenovirus-Mediated Hepatotoxicity by Liver-Specific Inhibition of NF-kappaB. AB - Telomerase-specific replication-competent adenoviruses (Ads), i.e., TRADs, which possess an E1 gene expression cassette driven by the human telomerase reverse transcriptase promoter, are promising agents for cancer treatment. However, even though oncolytic Ads, including TRAD, are intratumorally administered, they are disseminated from the tumor to systemic circulation, causing concern about oncolytic Ad-mediated hepatotoxicity (due mainly to leaky expression of Ad genes in liver). We reported that inhibition of nuclear factor-kappaB (NF-kappaB) leads to the suppression of replication-incompetent Ad vector-mediated hepatotoxicity via reduction of the leaky expression of Ad genes in liver. Here, to develop a TRAD with an improved safety profile, we designed a TRAD that carries a liver specific promoter-driven dominant-negative IkappaBalpha (DNIkappaBalpha) expression cassette (TRAD-DNIkappaBalpha). Compared with a conventional TRAD, TRAD-DNIkappaBalpha showed hepatocyte-specific inhibition of NF-kappaB signaling and significantly reduced Ad gene expression and replication in the normal human hepatocyte cell line. TRAD-induced hepatotoxicity was largely suppressed in mice following intravenous administration of TRAD-DNIkappaBalpha. However, the replication profiles and oncolytic activities of TRAD-DNIkappaBalpha were comparable with those of the conventional TRAD in human non-hepatic tumor cells. These results indicate that oncolytic Ads containing the liver-specific DNIkappaBalpha expression cassette have improved safety profiles without inhibiting oncolytic activities. PMID- 29202009 TI - Structural Modeling of Mechanosensitivity in Non-Muscle Cells: Multiscale Approach to Understand Cell Sensing. AB - The contraction and spreading of nonmuscle cells are important phenomena in a number of cellular processes such as differentiation, morphogenesis, and tissue growth. Recent experimental work has shown that the topology and the mechanical properties of the underlying substrate play a significant role in directing the cell's response. In this work, we introduce a multiscale model to understand the sensing, activation, and contraction of the actin cytoskeleton of nonmuscle cells based on the idea that acto-myosin cross-bridges display a catch-bond response. After investigating the respective roles of bond catchiness and acto-myosin assembly on the mechano-sensitivity of stress fibers, we present full simulations of cells laying on arrays of micropillars. Model predictions show good qualitative agreements with experimental observation, suggesting that acto-myosin catch bonds are a major mechano-sensing element in nonmuscle cells. PMID- 29202011 TI - A Model for Accelerating Patient-to-Bench Research. PMID- 29202010 TI - Control over Silica Particle Growth and Particle-Biomolecule Interactions Facilitates Silica Encapsulation of Mammalian Cells with Thickness Control. AB - Over the last twenty years, many strategies utilizing sol-gel chemistry to integrate biological cells into silica-based materials have been reported. One such strategy, Sol-Generating Chemical Vapor into Liquid (SG-CViL) deposition, shows promise as an efficient encapsulation technique due to the ability to vary the silica encapsulation morphology obtained by this process through variation of SG-CViL reaction conditions. In this report, we develop SG-CViL as a tunable, multi-purpose silica encapsulation strategy by investigating the mechanisms governing both silica particle generation and subsequent interaction with phospholipid assemblies (liposomes and living cells). Using Dynamic Light Scattering (DLS) measurements, linear and exponential silica particle growth dynamics were observed which were dependent on deposition buffer ion constituents and ion concentration. Silica particle growth followed a cluster-cluster growth mechanism at acidic pH, and a monomer-cluster growth mechanism at neutral to basic pH. Increasing silica sol aging temperature resulted in higher rates of particle growth and larger particles. DLS measurements employing PEG coated liposomes and cationic liposomes, serving as model phospholipid assemblies, revealed electrostatic interactions promote more stable liposome-silica interactions than hydrogen bonding and facilitate silica coating on suspension cells. However, continued silica reactivity leads to aggregation of silica coated suspensions cells, revealing the need for cell isolation to tune deposited silica thickness. Utilizing these mechanistic study insights, silica was deposited onto adherent HeLa cells under biocompatible conditions with micron scale control over silica thickness, minimal cell manipulation steps, and retained cell viability over several days. PMID- 29202012 TI - A Conversation with Yuegang Zhang. PMID- 29202013 TI - A Home Away from Home. PMID- 29202014 TI - When Electrochemistry Met Methane: Rapid Catalyst Oxidation Fuels Hydrocarbon Functionalization. PMID- 29202015 TI - Immunity to alpha-Gal: Toward a Single-Antigen Pan-Vaccine To Control Major Infectious Diseases. PMID- 29202016 TI - Inhibition of NGLY1 Inactivates the Transcription Factor Nrf1 and Potentiates Proteasome Inhibitor Cytotoxicity. AB - Proteasome inhibitors are used to treat blood cancers such as multiple myeloma (MM) and mantle cell lymphoma. The efficacy of these drugs is frequently undermined by acquired resistance. One mechanism of proteasome inhibitor resistance may involve the transcription factor Nuclear Factor, Erythroid 2 Like 1 (NFE2L1, also referred to as Nrf1), which responds to proteasome insufficiency or pharmacological inhibition by upregulating proteasome subunit gene expression. This "bounce-back" response is achieved through a unique mechanism. Nrf1 is constitutively translocated into the ER lumen, N-glycosylated, and then targeted for proteasomal degradation via the ER-associated degradation (ERAD) pathway. Proteasome inhibition leads to accumulation of cytosolic Nrf1, which is then processed to form the active transcription factor. Here we show that the cytosolic enzyme N-glycanase 1 (NGLY1, the human PNGase) is essential for Nrf1 activation in response to proteasome inhibition. Chemical or genetic disruption of NGLY1 activity results in the accumulation of misprocessed Nrf1 that is largely excluded from the nucleus. Under these conditions, Nrf1 is inactive in regulating proteasome subunit gene expression in response to proteasome inhibition. Through a small molecule screen, we identified a cell-active NGLY1 inhibitor that disrupts the processing and function of Nrf1. The compound potentiates the cytotoxicity of carfilzomib, a clinically used proteasome inhibitor, against MM and T cell-derived acute lymphoblastic leukemia (T-ALL) cell lines. Thus, NGLY1 inhibition prevents Nrf1 activation and represents a new therapeutic approach for cancers that depend on proteasome homeostasis. PMID- 29202018 TI - Precise Probing of Residue Roles by Post-Translational beta,gamma-C,N Aza-Michael Mutagenesis in Enzyme Active Sites. AB - Biomimicry valuably allows the understanding of the essential chemical components required to recapitulate biological function, yet direct strategies for evaluating the roles of amino acids in proteins can be limited by access to suitable, subtly-altered unnatural variants. Here we describe a strategy for dissecting the role of histidine residues in enzyme active sites using unprecedented, chemical, post-translational side-chain-beta,gamma C-N bond formation. Installation of dehydroalanine (as a "tag") allowed the testing of nitrogen conjugate nucleophiles in "aza-Michael"-1,4-additions (to "modify"). This allowed the creation of a regioisomer of His (iso-His, Hisiso) linked instead through its pros-Npi atom rather than naturally linked via C4, as well as an aza-altered variant aza-Hisiso. The site-selective generation of these unnatural amino acids was successfully applied to probe the contributing roles (e.g., size, H-bonding) of His residues toward activity in the model enzymes subtilisin protease from Bacillus lentus and Mycobacterium tuberculosis pantothenate synthetase. PMID- 29202019 TI - Catalytic Methane Monofunctionalization by an Electrogenerated High-Valent Pd Intermediate. AB - Electrophilic high-valent metal ions are potent intermediates for the catalytic functionalization of methane, but in many cases, their high redox potentials make these intermediates difficult or impossible to access using mild stoichiometric oxidants derived from O2. Herein, we establish electrochemical oxidation as a versatile new strategy for accessing high-valent methane monofunctionalization catalysts. We provide evidence for the electrochemical oxidation of simple PdSO4 in concentrated sulfuric acid electrolytes to generate a putative Pd2III,III species in an all-oxidic ligand field. This electrogenerated high-valent Pd complex rapidly activates methane with a low barrier of 25.9 (+/-2.6) kcal/mol, generating methanol precursors methyl bisulfate (CH3OSO3H) and methanesulfonic acid (CH3SO3H) via concurrent faradaic and nonfaradaic reaction pathways. This work enables new electrochemical approaches for promoting rapid methane monofunctionalization. PMID- 29202017 TI - Molecular Motor Dnm1 Synergistically Induces Membrane Curvature To Facilitate Mitochondrial Fission. AB - Dnm1 and Fis1 are prototypical proteins that regulate yeast mitochondrial morphology by controlling fission, the dysregulation of which can result in developmental disorders and neurodegenerative diseases in humans. Loss of Dnm1 blocks the formation of fission complexes and leads to elongated mitochondria in the form of interconnected networks, while overproduction of Dnm1 results in excessive mitochondrial fragmentation. In the current model, Dnm1 is essentially a GTP hydrolysis-driven molecular motor that self-assembles into ring-like oligomeric structures that encircle and pinch the outer mitochondrial membrane at sites of fission. In this work, we use machine learning and synchrotron small angle X-ray scattering (SAXS) to investigate whether the motor Dnm1 can synergistically facilitate mitochondrial fission by membrane remodeling. A support vector machine (SVM)-based classifier trained to detect sequences with membrane-restructuring activity identifies a helical Dnm1 domain capable of generating negative Gaussian curvature (NGC), the type of saddle-shaped local surface curvature found on scission necks during fission events. Furthermore, this domain is highly conserved in Dnm1 homologues with fission activity. Synchrotron SAXS measurements reveal that Dnm1 restructures membranes into phases rich in NGC, and is capable of inducing a fission neck with a diameter of 12.6 nm. Through in silico mutational analysis, we find that the helical Dnm1 domain is locally optimized for membrane curvature generation, and phylogenetic analysis suggests that dynamin superfamily proteins that are close relatives of human dynamin Dyn1 have evolved the capacity to restructure membranes via the induction of curvature mitochondrial fission. In addition, we observe that Fis1, an adaptor protein, is able to inhibit the pro-fission membrane activity of Dnm1, which points to the antagonistic roles of the two proteins in the regulation of mitochondrial fission. PMID- 29202020 TI - Computational Model and Dynamics of Monomeric Full-Length APOBEC3G. AB - APOBEC3G (A3G) is a restriction factor that provides innate immunity against HIV 1 in the absence of viral infectivity factor (Vif) protein. However, structural information about A3G, which can aid in unraveling the mechanisms that govern its interactions and define its antiviral activity, remains unknown. Here, we built a computer model of a full-length A3G using docking approaches and molecular dynamics simulations, based on the available X-ray and NMR structural data for the two protein domains. The model revealed a large-scale dynamics of the A3G monomer, as the two A3G domains can assume compact forms or extended dumbbell type forms with domains visibly separated from each other. To validate the A3G model, we performed time-lapse high-speed atomic force microscopy (HS-AFM) experiments enabling us to get images of a fully hydrated A3G and to directly visualize its dynamics. HS-AFM confirmed that A3G exists in two forms, a globular form (~84% of the time) and a dumbbell form (~16% of the time), and can dynamically switch from one form to the other. The obtained HS-AFM results are in line with the computer modeling, which demonstrates a similar distribution between two forms. Furthermore, our simulations capture the complete process of A3G switching from the DNA-bound state to the closed state. The revealed dynamic nature of monomeric A3G could aid in target recognition including scanning for cytosine locations along the DNA strand and in interactions with viral RNA during packaging into HIV-1 particles. PMID- 29202021 TI - Bimetallic Effect of Single Nanocatalysts Visualized by Super-Resolution Catalysis Imaging. AB - Compared with their monometallic counterparts, bimetallic nanoparticles often show enhanced catalytic activity associated with the bimetallic interface. Direct quantitation of catalytic activity at the bimetallic interface is important for understanding the enhancement mechanism, but challenging experimentally. Here using single-molecule super-resolution catalysis imaging in correlation with electron microscopy, we report the first quantitative visualization of enhanced bimetallic activity within single bimetallic nanoparticles. We focus on heteronuclear bimetallic PdAu nanoparticles that present a well-defined Pd-Au bimetallic interface in catalyzing a photodriven fluorogenic disproportionation reaction. Our approach also enables a direct comparison between the bimetallic and monometallic regions within the same nanoparticle. Theoretical calculations further provide insights into the electronic nature of N-O bond activation of the reactant (resazurin) adsorbed on bimetallic sites. Subparticle activity correlation between bimetallic enhancement and monometallic activity suggests that the favorable locations to construct bimetallic sites are those monometallic sites with higher activity, leading to a strategy for making effective bimetallic nanocatalysts. The results highlight the power of super-resolution catalysis imaging in gaining insights that could help improve nanocatalysts. PMID- 29202022 TI - Reversible Self-Assembled Monolayers (rSAMs): Adaptable Surfaces for Enhanced Multivalent Interactions and Ultrasensitive Virus Detection. AB - We report on the design of pH-switchable monolayers allowing a reversible and ordered introduction of affinity reagents on sensor surfaces. The principal layer building blocks consist of alpha-(4-amidinophenoxy)alkanes decorated at the omega position with affinity ligands. These spontaneously self-assemble on top of carboxylic acid terminated SAMs to form reversible homo or mixed monolayers (rSAMs) that are tunable with respect to the nature of the head group, layer order and stability while featuring pH responsiveness and the dynamic nature of noncovalent build assemblies. We show that this results in a range of unique biosensor features. As a first example a sialic acid rSAM featuring strong lectin affinity is here used to sense hemagglutinin and influenza virus (H5N1) at the pM and fM level by in situ ellipsometry in a fully reversible fashion. We believe that the rSAM concept will find widespread use in surface chemistry and overall for boosting sensitivity in affinity biosensors. PMID- 29202023 TI - Combating Drug-Resistant Mutants of Anaplastic Lymphoma Kinase with Potent and Selective Type-I1/2 Inhibitors by Stabilizing Unique DFG-Shifted Loop Conformation. AB - Targeted inhibition of anaplastic lymphoma kinase (ALK) dramatically improved therapeutic outcomes in the treatment of ALK-positive cancers, but unfortunately patients invariably progressed due to acquired resistance mutations in ALK. Currently available drugs are all type-I inhibitors bound to the ATP-binding pocket and are most likely to be resistant in patients harboring genetic mutations surrounding the ATP pocket. To overcome drug resistance, we rationally designed a novel kind of "bridge" inhibitor, which specially bind into an extended hydrophobic back pocket adjacent to the ATP-binding site of ALK. The novel type-I1/2 inhibitors display excellent antiproliferation activity against ALK-positive cancer cells and appear superior to two clinically used drugs, crizotinib and ceritinib. Structural and molecular modeling analyses indicate that the inhibitor induces dramatic conformational transition and stabilizes unique DFG-shifted loop conformation, enabling persistent sensitivity to different genetic mutations in ALK. These data highlight a rationale for further development of next-generation ALK inhibitors to combat drug resistance. PMID- 29202024 TI - Highly Active Fe Sites in Ultrathin Pyrrhotite Fe7S8 Nanosheets Realizing Efficient Electrocatalytic Oxygen Evolution. AB - Identification of active sites in an electrocatalyst is essential for understanding of the mechanism of electrocatalytic water splitting. To be one of the most active oxygen evolution reaction catalysts in alkaline media, Ni-Fe based compounds have attracted tremendous attention, while the role of Ni and Fe sites played has still come under debate. Herein, by taking the pyrrhotite Fe7S8 nanosheets with mixed-valence states and metallic conductivity for examples, we illustrate that Fe could be a highly active site for electrocatalytic oxygen evolution. It is shown that the delocalized electrons in the ultrathin Fe7S8 nanosheets could facilitate electron transfer processes of the system, where d orbitals of FeII and FeIII would be overlapped with each other during the catalytic reactions, rendering the ultrathin Fe7S8 nanosheets to be the most efficient Fe-based electrocatalyst for water oxidation. As expected, the ultrathin Fe7S8 nanosheets exhibit promising electrocatalytic oxygen evolution activities, with a low overpotential of 0.27 V and a large current density of 300 mA cm-2 at 0.5 V. This work provides solid evidence that Fe could be an efficient active site for electrocatalytic water splitting. PMID- 29202025 TI - Ultrafast dynamics of vibrational symmetry breaking in a charge-ordered nickelate. AB - The ability to probe symmetry-breaking transitions on their natural time scales is one of the key challenges in nonequilibrium physics. Stripe ordering represents an intriguing type of broken symmetry, where complex interactions result in atomic-scale lines of charge and spin density. Although phonon anomalies and periodic distortions attest the importance of electron-phonon coupling in the formation of stripe phases, a direct time-domain view of vibrational symmetry breaking is lacking. We report experiments that track the transient multi-terahertz response of the model stripe compound La1.75Sr0.25NiO4, yielding novel insight into its electronic and structural dynamics following an ultrafast optical quench. We find that although electronic carriers are immediately delocalized, the crystal symmetry remains initially frozen-as witnessed by time-delayed suppression of zone-folded Ni-O bending modes acting as a fingerprint of lattice symmetry. Longitudinal and transverse vibrations react with different speeds, indicating a strong directionality and an important role of polar interactions. The hidden complexity of electronic and structural coupling during stripe melting and formation, captured here within a single terahertz spectrum, opens new paths to understanding symmetry-breaking dynamics in solids. PMID- 29202026 TI - Spatial and temporal seismic velocity changes on Kyushu Island during the 2016 Kumamoto earthquake. AB - Monitoring of earthquake faults and volcanoes contributes to our understanding of their dynamic mechanisms and to our ability to predict future earthquakes and volcanic activity. We report here on spatial and temporal variations of seismic velocity around the seismogenic fault of the 2016 Kumamoto earthquake [moment magnitude (Mw) 7.0] based on ambient seismic noise. Seismic velocity near the rupture faults and Aso volcano decreased during the earthquake. The velocity reduction near the faults may have been due to formation damage, a change in stress state, and an increase in pore pressure. Further, we mapped the post earthquake fault-healing process. The largest seismic velocity reduction observed at Aso volcano during the earthquake was likely caused by pressurized volcanic fluids, and the large increase in seismic velocity at the volcano's magma body observed ~3 months after the earthquake may have been a response to depressurization caused by the eruption. This study demonstrates the usefulness of continuous monitoring of faults and volcanoes. PMID- 29202027 TI - Seismic potential of weak, near-surface faults revealed at plate tectonic slip rates. AB - The near-surface areas of major faults commonly contain weak, phyllosilicate minerals, which, based on laboratory friction measurements, are assumed to creep stably. However, it is now known that shallow faults can experience tens of meters of earthquake slip and also host slow and transient slip events. Laboratory experiments are generally performed at least two orders of magnitude faster than plate tectonic speeds, which are the natural driving conditions for major faults; the absence of experimental data for natural driving rates represents a critical knowledge gap. We use laboratory friction experiments on natural fault zone samples at driving rates of centimeters per year to demonstrate that there is abundant evidence of unstable slip behavior that was not previously predicted. Specifically, weak clay-rich fault samples generate slow slip events (SSEs) and have frictional properties favorable for earthquake rupture. Our work explains growing field observations of shallow SSE and surface breaking earthquake slip, and predicts that such phenomena should be more widely expected. PMID- 29202028 TI - Provably secure and high-rate quantum key distribution with time-bin qudits. AB - The security of conventional cryptography systems is threatened in the forthcoming era of quantum computers. Quantum key distribution (QKD) features fundamentally proven security and offers a promising option for quantum-proof cryptography solution. Although prototype QKD systems over optical fiber have been demonstrated over the years, the key generation rates remain several orders of magnitude lower than current classical communication systems. In an effort toward a commercially viable QKD system with improved key generation rates, we developed a discrete-variable QKD system based on time-bin quantum photonic states that can generate provably secure cryptographic keys at megabit-per-second rates over metropolitan distances. We use high-dimensional quantum states that transmit more than one secret bit per received photon, alleviating detector saturation effects in the superconducting nanowire single-photon detectors used in our system that feature very high detection efficiency (of more than 70%) and low timing jitter (of less than 40 ps). Our system is constructed using commercial off-the-shelf components, and the adopted protocol can be readily extended to free-space quantum channels. The security analysis adopted to distill the keys ensures that the demonstrated protocol is robust against coherent attacks, finite-size effects, and a broad class of experimental imperfections identified in our system. PMID- 29202029 TI - Discriminating between natural versus induced seismicity from long-term deformation history of intraplate faults. AB - To assess whether recent seismicity is induced by human activity or is of natural origin, we analyze fault displacements on high-resolution seismic reflection profiles for two regions in the central United States (CUS): the Fort Worth Basin (FWB) of Texas and the northern Mississippi embayment (NME). Since 2009, earthquake activity in the CUS has increased markedly, and numerous publications suggest that this increase is primarily due to induced earthquakes caused by deep well injection of wastewater, both flowback water from hydrofracturing operations and produced water accompanying hydrocarbon production. Alternatively, some argue that these earthquakes are natural and that the seismicity increase is a normal variation that occurs over millions of years. Our analysis shows that within the NME, faults deform both Quaternary alluvium and underlying sediments dating from Paleozoic through Tertiary, with displacement increasing with geologic unit age, documenting a long history of natural activity. In the FWB, a region of ongoing wastewater injection, basement faults show deformation of the Proterozoic and Paleozoic units, but little or no deformation of younger strata. Specifically, vertical displacements in the post-Pennsylvanian formations, if any, are below the resolution (~15 m) of the seismic data, far less than expected had these faults accumulated deformation over millions of years. Our results support the assertion that recent FWB earthquakes are of induced origin; this conclusion is entirely independent of analyses correlating seismicity and wastewater injection practices. To our knowledge, this is the first study to discriminate natural and induced seismicity using classical structural geology analysis techniques. PMID- 29202030 TI - The prevalence of kilometer-scale heterogeneity in the source region of MORB upper mantle. AB - The source regions of mid-ocean ridge basalts (MORB) are heterogeneous, consisting of chemically and lithologically distinct domains of variable size. Partial melting of such heterogeneous mantle sources gives rise to diverse isotopic compositions of MORB and abyssal peridotites. Variations in radiogenic isotope ratios in MORB are attributed to mixing of melts derived from enriched and depleted mantle components. However, melt mixing alone cannot fully account for the difference between the average 143Nd/144Nd in abyssal peridotites and their spatially associated MORB. We show that the more depleted Nd isotope composition in abyssal peridotites is a natural consequence of melt migration induced mixing or smearing in the melting column. Sub-kilometer scale enriched mantle components or heterogeneities are significantly damped or homogenized in both the residue and erupted melt during their transit through the melting region. Heterogeneities with larger size and higher incompatible trace element abundance are more resistive to the mixing processes. The size-sensitive mixing depends on a parameter called the enrichment strength, which is the product of the heterogeneity size and the ratio between incompatible trace element abundance in the enriched and depleted mantle sources. Observed Nd-Hf isotope variations in MORB and abyssal peridotites can be reproduced if the enrichment strength is 20 to 60 km. These heterogeneities could be on the kilometer scale and have similar isotope ratios to but less incompatible trace element abundances than recycled oceanic crust. PMID- 29202031 TI - Stitching h-BN by atomic layer deposition of LiF as a stable interface for lithium metal anode. AB - Defects are important features in two-dimensional (2D) materials that have a strong influence on their chemical and physical properties. Through the enhanced chemical reactivity at defect sites (point defects, line defects, etc.), one can selectively functionalize 2D materials via chemical reactions and thereby tune their physical properties. We demonstrate the selective atomic layer deposition of LiF on defect sites of h-BN prepared by chemical vapor deposition. The LiF deposits primarily on the line and point defects of h-BN, thereby creating seams that hold the h-BN crystallites together. The chemically and mechanically stable hybrid LiF/h-BN film successfully suppresses lithium dendrite formation during both the initial electrochemical deposition onto a copper foil and the subsequent cycling. The protected lithium electrodes exhibit good cycling behavior with more than 300 cycles at relatively high coulombic efficiency (>95%) in an additive free carbonate electrolyte. PMID- 29202032 TI - Biomass recycling and Earth's early phosphorus cycle. AB - Phosphorus sets the pace of marine biological productivity on geological time scales. Recent estimates of Precambrian phosphorus levels suggest a severe deficit of this macronutrient, with the depletion attributed to scavenging by iron minerals. We propose that the size of the marine phosphorus reservoir was instead constrained by muted liberation of phosphorus during the remineralization of biomass. In the modern ocean, most biomass-bound phosphorus gets aerobically recycled; but a dearth of oxidizing power in Earth's early oceans would have limited the stoichiometric capacity for remineralization, particularly during the Archean. The resulting low phosphorus concentrations would have substantially hampered primary productivity, contributing to the delayed rise of atmospheric oxygen. PMID- 29202033 TI - Synthetic "smart gel" provides glucose-responsive insulin delivery in diabetic mice. AB - Although previous studies have attempted to create "electronics-free" insulin delivery systems using glucose oxidase and sugar-binding lectins as a glucose sensing mechanism, no successful clinical translation has hitherto been made. These protein-based materials are intolerant of long-term use and storage because of their denaturing and/or cytotoxic properties. We provide a solution by designing a protein-free and totally synthetic material-based approach. Capitalizing on the sugar-responsive properties of boronic acid, we have established a synthetic polymer gel-based insulin delivery device confined within a single catheter, which exhibits an artificial pancreas-like function in vivo. Subcutaneous implantation of the device in healthy and diabetic mice establishes a closed-loop system composed of "continuous glucose sensing" and "skin layer" regulated insulin release. As a result, glucose metabolism was controlled in response to interstitial glucose fluctuation under both insulin-deficient and insulin-resistant conditions with at least 3-week durability. Our "smart gel" technology could offer a user-friendly and remarkably economic (disposable) alternative to the current state of the art, thereby facilitating availability of effective insulin treatment not only to diabetic patients in developing countries but also to those patients who otherwise may not be strongly motivated, such as the elderly, infants, and patients in need of nursing care. PMID- 29202034 TI - Race-Ethnicity and Prescription Drug Misuse: Does Self-esteem Matter? AB - The research here investigates race-ethnicity and self-esteem in the misuse of prescription drugs. While there has been much research into the demographic factors that predict prescription drug misuse (PDM), we lack a full accounting of psychosocial factors of possible importance in influencing patterns of race ethnicity and PDM. One possible influence is self-esteem. We use data from the National Longitudinal Survey on Adolescent Health to investigate race-ethnicity, PDM and self-esteem. Findings indicate first that race-ethnicity is significant is PDM. Secondly, results indicate that self-esteem is important in understanding patterns of prescription drug misuse among young adults, but only among whites. PMID- 29202035 TI - Through the Eustachian Tube and Beyond: A New Miniature Robotic Endoscope to See Into The Middle Ear. AB - This paper presents a novel miniature robotic endoscope that is small enough to pass through the Eustachian tube and provide visualization of the middle ear (ME). The device features a miniature bending tip previously conceived of as a small-scale robotic wrist that has been adapted to carry and aim a small chip-tip camera and fiber optic light sources. The motivation for trans-Eustachian tube ME inspection is to provide a natural-orifice-based route to the ME that does not require cutting or lifting the eardrum, as is currently required. In this paper, we first perform an analysis of the ME anatomy and use a computational design optimization platform to derive the kinematic requirements for endoscopic inspection of the ME through the Eustachian tube. Based on these requirements, we fabricate the proposed device and use it to demonstrate the feasibility of ME inspection in an anthropomorphic model, i.e. a 3D-printed ME phantom generated from patient image data. We show that our prototype provides > 74% visibility coverage of the sinus tympani, a region of the ME crucial for diagnosis, compared to an average of only 6.9% using a straight, non-articulated endoscope through the Eustachian Tube. PMID- 29202037 TI - Comparative Profiling of Ubiquitin Proteasome System Interplay with Influenza A Virus PB2 Polymerase Protein Recapitulating Virus Evolution in Humans. AB - The optimized exploitation of cell resources is one cornerstone of a successful infection. Differential mapping of host-pathogen protein-protein interactions (PPIs) on the basis of comparative interactomics of multiple strains is an effective strategy to highlight correlations between host proteome hijacking and biological or pathogenic traits. Here, we developed an interactomic pipeline to deliver high-confidence comparative maps of PPIs between a given pathogen and the human ubiquitin proteasome system (UPS). This subarray of the human proteome represents a range of essential cellular functions and promiscuous targets for many viruses. The screening pipeline was applied to the influenza A virus (IAV) PB2 polymerase proteins of five strains representing different levels of virulence in humans. An extensive PB2-UPS interplay has been detected that recapitulates the evolution of IAVs in humans. Functional validation with several IAV strains, including the seasonal H1N1pdm09 and H3N2 viruses, confirmed the biological relevance of most identified UPS factors and revealed strain independent and strain-specific effects of UPS factor invalidation on IAV infection. This strategy is applicable to proteins from any other virus or pathogen, providing a valuable resource with which to explore the UPS-pathogen interplay and its relationship with pathogenicity. IMPORTANCE Influenza A viruses (IAVs) are responsible for mild-to-severe seasonal respiratory illness of public health concern worldwide, and the risk of avian strain outbreaks in humans is a constant threat. Elucidating the requisites of IAV adaptation to humans is thus of prime importance. In this study, we explored how PB2 replication proteins of IAV strains with different levels of virulence in humans hijack a major protein modification pathway of the human host cell, the ubiquitin proteasome system (UPS). We found that the PB2 protein engages in an extended interplay with the UPS that evolved along with the virus's adaptation to humans. This suggests that UPS hijacking underlies the efficient infection of humans and can be used as an indicator for evaluation of the potential of avian IAVs to infect humans. Several UPS factors were found to be necessary for infection with circulating IAV strains, pointing to potential targets for therapeutic approaches. PMID- 29202036 TI - Free-radicals and advanced chemistries involved in cell membrane organization influence oxygen diffusion and pathology treatment. AB - A breakthrough has been discovered in pathology chemistry related to increasing molecular structure that can interfere with oxygen diffusion through cell membranes. Free radicals can crosslink unsaturated low-viscosity fatty acid oils by chain-growth polymerization into more viscous liquids and even solids. Free radicals are released by mitochondria in response to intermittent hypoxia that can increase membrane molecular organization to reduce fluidity and oxygen diffusion in a possible continuing vicious cycle toward pathological disease. Alternate computational chemistry demonstrates molecular bond dynamics in free energy for cell membrane physiologic movements. Paired electrons in oxygen and nitrogen atoms require that oxygen bonds rotate and nitrogen bonds invert to seek polar nano-environments and hide from nonpolar nano-environments thus creating fluctuating instability at a nonpolar membrane and polar biologic fluid interface. Subsequent mechanomolecular movements provide free energy to increase diffusion by membrane transport of molecules and oxygen into the cell, cell membrane signaling/recognition/defense in addition to protein movements for enzyme mixing. In other chemistry calcium bonds to membrane phosphates primarily on the outer plasma cell membrane surface to influence the membrane firing threshold for excitability and better seal out water permeation. Because calcium is an excellent metal conductor and membrane phosphate headgroups form a semiconductor at the biologic fluid interface, excess electrons released by mitochondria may have more broad dissipation potential by safe conduction through calcium atomic-sized circuits on the outer membrane surface. Regarding medical conditions, free radicals are known to produce pathology especially in age related disease in addition to aging. Because cancer cell membranes develop extreme polymorphism that has been extensively followed in research, accentuated easily-visualized free-radical models are developed. In terms of treatment, use of vitamin nutrient supplements purported to be antioxidants that remove free radicals has not proved worthwhile in clinical trials presumably due to errors with early antioxidant measurements based on inaccurate colorimetry tests. However, newer covalent-bond shrinkage tests now provide accurate measurements for free-radical inhibitor hydroquinone and other molecules toward drug therapy. PMID- 29202038 TI - A Novel Biomimetic Nanosponge Protects the Retina from the Enterococcus faecalis Cytolysin. AB - Intraocular infections are a potentially blinding complication of common ocular surgeries and traumatic eye injuries. Bacterial toxins synthesized in the eye can damage intraocular tissue, often resulting in poor visual outcomes. Enteroccocus faecalis causes blinding infections and is responsible for 8 to 17% of postoperative endophthalmitis cases. These infections are increasingly difficult to treat due to the emergence of multidrug-resistant strains. Virulent E. faecalis isolates secrete a pore-forming bicomponent cytolysin that contributes to retinal tissue damage during endophthalmitis. We hypothesized that a biomimetic nanosponge, which mimics erythrocytes, might adsorb subunits of the cytolysin and reduce retinal damage, protecting vision. To test the efficacy of nanosponges in neutralizing the cytolysin in vitro, hemoglobin release assays were performed on culture supernatants from cytolysin-producing E. faecalis with and without preincubation with nanosponges. Treatment with nanosponges for 30 min reduced hemolytic activity by ~70%. To determine whether nanosponges could neutralize the cytolysin in vivo, electroretinography was performed on mice 24 h after intravitreal injection with cytolysin-containing supernatants treated with nanosponges. Pretreatment of cytolysin-containing supernatants with nanosponges increased the A-wave retention from 12.2% to 65.5% and increased the B-wave retention from 21.0% to 77.0%. Histology revealed that in nanosponge-treated eyes, retinas remained intact and attached, with little to no damage. Rabbit nanosponges were also nontoxic and noninflammatory when injected into mouse eyes. In an experimental murine model of E. faecalis endophthalmitis, injection of nanosponges into the vitreous 6 h after infection with a wild-type cytolysin producing strain increased A-wave retention from 5.9% to 31% and increased B-wave retention from 12.6% to 27.8%. Together, these results demonstrated that biomimetic nanosponges neutralized cytolysin activity and protected the retinas from damage. These results suggest that this novel strategy might also protect eyes from the activities of pore-forming toxins of other virulent ocular bacterial pathogens. IMPORTANCE Endophthalmitis is a serious, potentially blinding infection that can result in vision loss, leaving a patient with only the ability to count fingers, or it may require enucleation of the globe. The incidence of postoperative endophthalmitis has markedly increased over the past 2 decades, paralleling the rise in ocular surgeries and intravitreal therapies. E. faecalis is a leading cause of infection following ocular procedures, and such infections are increasingly difficult to treat due to multidrug resistance. Cytolysin is the primary virulence factor responsible for retinal tissue damage in E. faecalis eye infections. Treatment of these infections with antibiotics alone does not impede ocular damage and loss of visual function. Pore-forming toxins (PFTs) have been established as major virulence factors in endophthalmitis caused by several bacterial species. These facts establish a critical need for a novel therapy to neutralize bacterial PFTs such as cytolysin. Here, we demonstrate that biomimetic nanosponges neutralize cytolysin, protect the retina, preserve vision, and may provide an adjunct detoxification therapy for bacterial infections. PMID- 29202039 TI - Genomic, Network, and Phylogenetic Analysis of the Oomycete Effector Arsenal. AB - The oomycetes are a class of microscopic, filamentous eukaryotes within the stramenopiles-alveolate-Rhizaria (SAR) supergroup and include ecologically significant animal and plant pathogens. Oomycetes secrete large arsenals of effector proteins that degrade host cell components, manipulate host immune responses, and induce necrosis, enabling parasitic colonization. This study investigated the expansion and evolution of effectors in 37 oomycete species in 4 oomycete orders, including Albuginales, Peronosporales, Pythiales, and Saprolegniales species. Our results highlight the large expansions of effector protein families, including glycoside hydrolases, pectinases, and necrosis inducing proteins, in Phytophthora species. Species-specific expansions, including expansions of chitinases in Aphanomyces astaci and Pythium oligandrum, were detected. Novel effectors which may be involved in suppressing animal immune responses in Ap. astaci and Py. insidiosum were also identified. Type 2 necrosis inducing proteins with an unusual phylogenetic history were also located in a number of oomycete species. We also investigated the "RxLR" effector complement of all 37 species and, as expected, observed large expansions in Phytophthora species numbers. Our results provide in-depth sequence information on all putative RxLR effectors from all 37 species. This work represents an up-to-date in silico catalogue of the effector arsenal of the oomycetes based on the 37 genomes currently available. IMPORTANCE The oomycetes are a class of microscopic, filamentous eukaryotes and include ecologically significant animal and plant pathogens. Oomycetes secrete large arsenals of effector proteins that degrade host cell components, manipulate host immune responses, and induce necrosis, enabling parasitic colonization. In this study, we catalogued the number and evolution of effectors in 37 oomycete species whose genomes have been completely sequenced. Large expansions of effector protein families in Phytophthora species, including glycoside hydrolases, pectinases, and necrosis-inducing proteins, were observed. Species-specific expansions were detected, including chitinases in Aphanomyces astaci and Pythium oligandrum. Novel effectors which may be involved in suppressing animal immune responses were identified in Ap. astaci and Py. oligandrum. Type 2 necrosis-inducing proteins with an unusual phylogenetic history were also located. This work represents an up-to-date in silico catalogue of the effector arsenal of the oomycetes based on the 37 genomes currently available. PMID- 29202040 TI - A Simple and Universal System for Gene Manipulation in Aspergillus fumigatus: In Vitro-Assembled Cas9-Guide RNA Ribonucleoproteins Coupled with Microhomology Repair Templates. AB - CRISPR (clustered regularly interspaced short palindromic repeat)-Cas9 is a novel genome-editing system that has been successfully established in Aspergillus fumigatus. However, the current state of the technology relies heavily on DNA based expression cassettes for delivering Cas9 and the guide RNA (gRNA) to the cell. Therefore, the power of the technology is limited to strains that are engineered to express Cas9 and gRNA. To overcome such limitations, we developed a simple and universal CRISPR-Cas9 system for gene deletion that works across different genetic backgrounds of A. fumigatus. The system employs in vitro assembly of dual Cas9 ribonucleoproteins (RNPs) for targeted gene deletion. Additionally, our CRISPR-Cas9 system utilizes 35 to 50 bp of flanking regions for mediating homologous recombination at Cas9 double-strand breaks (DSBs). As a proof of concept, we first tested our system in the DeltaakuB (DeltaakuBku80 ) laboratory strain and generated high rates (97%) of gene deletion using 2 ug of the repair template flanked by homology regions as short as 35 bp. Next, we inspected the portability of our system across other genetic backgrounds of A. fumigatus, namely, the wild-type strain Af293 and a clinical isolate, A. fumigatus DI15-102. In the Af293 strain, 2 ug of the repair template flanked by 35 and 50 bp of homology resulted in highly efficient gene deletion (46% and 74%, respectively) in comparison to classical gene replacement systems. Similar deletion efficiencies were also obtained in the clinical isolate DI15-102. Taken together, our data show that in vitro-assembled Cas9 RNPs coupled with microhomology repair templates are an efficient and universal system for gene manipulation in A. fumigatus. IMPORTANCE Tackling the multifactorial nature of virulence and antifungal drug resistance in A. fumigatus requires the mechanistic interrogation of a multitude of genes, sometimes across multiple genetic backgrounds. Classical fungal gene replacement systems can be laborious and time consuming and, in wild-type isolates, are impeded by low rates of homologous recombination. Our simple and universal CRISPR-Cas9 system for gene manipulation generates efficient gene targeting across different genetic backgrounds of A. fumigatus. We anticipate that our system will simplify genome editing in A. fumigatus, allowing for the generation of single- and multigene knockout libraries. In addition, our system will facilitate the delineation of virulence factors and antifungal drug resistance genes in different genetic backgrounds of A. fumigatus. PMID- 29202041 TI - Global Transcriptome Analysis of Aedes aegypti Mosquitoes in Response to Zika Virus Infection. AB - Zika virus (ZIKV) of the Flaviviridae family is a recently emerged mosquito-borne virus that has been implicated in the surge of the number of microcephaly instances in South America. The recent rapid spread of the virus led to its declaration as a global health emergency by the World Health Organization. The virus is transmitted mainly by the mosquito Aedes aegypti, which is also the vector of dengue virus; however, little is known about the interactions of the virus with the mosquito vector. In this study, we investigated the transcriptome profiles of whole A. aegypti mosquitoes in response to ZIKV infection at 2, 7, and 14 days postinfection using transcriptome sequencing. Results showed changes in the abundance of a large number of transcripts at each time point following infection, with 18 transcripts commonly changed among the three time points. Gene ontology analysis revealed that most of the altered genes are involved in metabolic processes, cellular processes, and proteolysis. In addition, 486 long intergenic noncoding RNAs that were altered upon ZIKV infection were identified. Further, we found changes of a number of potential mRNA target genes correlating with those of altered host microRNAs. The outcomes provide a basic understanding of A. aegypti responses to ZIKV and help to determine host factors involved in replication or mosquito host antiviral response against the virus. IMPORTANCE Vector-borne viruses pose great risks to human health. Zika virus has recently emerged as a global threat, rapidly expanding its distribution. Understanding the interactions of the virus with mosquito vectors at the molecular level is vital for devising new approaches in inhibiting virus transmission. In this study, we embarked on analyzing the transcriptional response of Aedes aegypti mosquitoes to Zika virus infection. Results showed large changes in both coding and long noncoding RNAs. Analysis of these genes showed similarities with other flaviviruses, including dengue virus, which is transmitted by the same mosquito vector. The outcomes provide a global picture of changes in the mosquito vector in response to Zika virus infection. PMID- 29202042 TI - Relative Impact of Complement Receptors CD21/35 (Cr2/1) on Scrapie Pathogenesis in Mice. AB - Complement receptors 1 and 2 (CR1/2 or CD35/CD21) recognize complement-opsonized antigens to initiate innate and adaptive immunity, respectively. CD35 stimulates phagocytosis on macrophages and antigen presentation on follicular dendritic cells (FDCs). CD21 helps activate B cells as part of the B cell coreceptor with CD19 and CD81. Differential splicing of transcripts from the mouse Cr2 gene generates isoforms with both shared and unique complement binding capacities and cell-type expression. In mouse models, genetic depletion of Cr2 causes either a delay or complete prevention of prion disease, but the relative importance of CD35 versus CD21 in promoting prion disease remains unknown. Here we show that both isoforms act as high-affinity cell surface prion receptors. However, mice lacking CD21 succumbed to terminal prion disease significantly later than mice lacking CD35 or wild-type and hemizygous mice. CD21-deficient mice contained fewer splenic prions than CD35 knockout mice early after infection that contributed to delayed prion neuroinvasion and terminal disease, despite forming follicular networks closer to proximal nerves. While we observed no difference in B cell networks, PrPC expression, or number of follicles, CD21-deficient mice formed more fragmented, less organized follicular networks with fewer Mfge8 positive FDCs and/or tingible body macrophages (TBMphis) than wild-type or CD35 deficient mice. In toto, these data demonstrate a more prominent role for CD21 for proper follicular development and organization leading to more efficient lymphoid prion replication and expedited prion disease than in mice expressing the CD35 isoform. IMPORTANCE Mammalian prion diseases are caused by prions, unique infectious agents composed primarily, if not solely, of a pathologic, misfolded form of a normal host protein, the cellular prion protein (PrPC). Prions replicate without a genetic blueprint, but rather contact PrPC and coerce it to misfold into more prions, which cause neurodegeneration akin to other protein-misfolding diseases like Alzheimer's disease. A single gene produces two alternatively spliced mRNA transcripts that encode mouse complement receptors CD21/35, which promote efficient prion replication in the lymphoid system and eventual movement to the brain. Here we show that CD21/35 are high-affinity prion receptors, but mice expressing only CD21 die from prion disease sooner than CD35 expressing mice, which contain less prions early after infection and exhibit delayed terminal disease, likely due to their less organized splenic follicles. Thus, CD21 appears to be more important for defining splenic architecture that influences prion pathogenesis. PMID- 29202044 TI - Faecalibacterium Gut Colonization Is Accelerated by Presence of Older Siblings. AB - Faecalibacterium prausnitzii is a highly abundant human gut microbe in healthy individuals, but it is present at reduced levels in individuals with gastrointestinal inflammatory diseases. It has therefore been suggested to constitute a marker of a healthy gut and is associated with anti-inflammatory properties. However, factors affecting the colonization of F. prausnitzii in the human gut during early life are very poorly understood. By analysis of 16S rRNA amplicon sequencing data from three separate infant study populations, we determined the colonization dynamics of Faecalibacterium and factors affecting its establishment in the gut. We found that in particular, the presence of older siblings was consistently associated with Faecalibacterium gut colonization during late infancy and conclude that acquisition of Faecalibacterium is very likely to be accelerated through transfer between siblings. IMPORTANCEFaecalibacterium prausnitzii has been suggested to constitute a key marker of a healthy gut, yet the factors shaping the colonization of this highly oxygen-sensitive, non-spore-forming species in the intestinal environment remain poorly understood. Here, we provide evidence from three separate infant study populations that F. prausnitzii colonization in the gut happens during late infancy and is affected by the number of older siblings in the family. We conclude that Faecalibacterium acquisition is highly likely to be accelerated by contact between siblings. Bearing in mind the immunoregulatory properties of F. prausnitzii and the well-established protective effects against allergic disorders related to the presence of older siblings, early colonization of this species may have profound consequences for child health. PMID- 29202043 TI - Epstein-Barr Virus Induces Adhesion Receptor CD226 (DNAM-1) Expression during Primary B-Cell Transformation into Lymphoblastoid Cell Lines. AB - Epstein-Barr virus (EBV), an oncogenic herpesvirus, infects and transforms primary B cells into immortal lymphoblastoid cell lines (LCLs), providing a model for EBV-mediated tumorigenesis. EBV transformation stimulates robust homotypic aggregation, indicating that EBV induces molecules that mediate cell-cell adhesion. We report that EBV potently induced expression of the adhesion molecule CD226, which is not normally expressed on B cells. We found that early after infection of primary B cells, EBV promoted an increase in CD226 mRNA and protein expression. CD226 levels increased further from early proliferating EBV-positive B cells to LCLs. We found that CD226 expression on B cells was independent of B cell activation as CpG DNA failed to induce CD226 to the extent of EBV infection. CD226 expression was high in EBV-infected B cells expressing the latency III growth program, but low in EBV-negative and EBV latency I-infected B-lymphoma cell lines. We validated this correlation by demonstrating that the latency III characteristic EBV NF-kappaB activator, latent membrane protein 1 (LMP1), was sufficient for CD226 upregulation and that CD226 was more highly expressed in lymphomas with increased NF-kappaB activity. Finally, we found that CD226 was not important for LCL steady-state growth, survival in response to apoptotic stress, homotypic aggregation, or adhesion to activated endothelial cells. These findings collectively suggest that EBV induces expression of a cell adhesion molecule on primary B cells that may play a role in the tumor microenvironment of EBV associated B-cell malignancies or facilitate adhesion in the establishment of latency in vivo. IMPORTANCE Epstein-Barr virus (EBV) is a common human herpesvirus that establishes latency in B cells. While EBV infection is asymptomatic for most individuals, immune-suppressed individuals are at significantly higher risk of a form of EBV latent infection in which infected B cells are reactivated, grow unchecked, and generate lymphomas. This form of latency is modeled in the laboratory by infecting B cells from the blood of normal human donors in vitro. In this model, we identified a protein called CD226 that is induced by EBV but is not normally expressed on B cells. Rather, it is known to play a role in aggregation and survival signaling of non-B cells in the immune system. Cultures of EBV-infected cells adhere to one another in "clumps," and while the proteins that are responsible for this cellular aggregation are not fully understood, we hypothesized that this form of cellular aggregation may provide a survival advantage. In this article, we characterize the mechanism by which EBV induces this protein and its expression on lymphoma tissue and cell lines and characterize EBV-infected cell lines in which CD226 has been knocked out. PMID- 29202046 TI - Two Phosphoglucomutase Paralogs Facilitate Ionophore-Triggered Secretion of the Toxoplasma Micronemes. AB - Paralogs of the widely prevalent phosphoglucomutase (PGM) protein called parafusin function in calcium (Ca2+)-mediated exocytosis across eukaryotes. In Toxoplasma gondii, the parafusin-related protein 1 (PRP1) has been associated with Ca2+-dependent microneme organelle secretion required for essential processes like host cell invasion and egress. Using reverse genetics, we observed PRP1 to be dispensable for completion of the lytic cycle, including host cell invasion and egress by the parasite. However, the absence of the gene affected increased microneme release triggered by A23187, a Ca2+ ionophore used to raise the cytoplasmic Ca2+ concentration mimicking the physiological role of Ca2+ during invasion and egress. The basal levels of constitutive microneme release in extracellular parasites and phosphatidic acid-triggered microneme secretion were unaffected in the mutant. The phenotype of the deletion mutant of the second PGM encoding gene in Toxoplasma, PGM2, was similar to the phenotype of the PRP1 deletion mutant. Furthermore, the ability of the tachyzoites to induce acute infection in the mice remained normal in the absence of both PGM paralogs. Our data thus reveal that the microneme secretion upon high Ca2+ flux is facilitated by the Toxoplasma PGM paralogs, PRP1 and PGM2. However, this protein-mediated release is neither essential for lytic cycle completion nor for acute virulence of the parasite. IMPORTANCE Ca2+-dependent exocytosis is essential for the life cycle of apicomplexan parasites. Toxoplasma gondii harbors a phosphoglucomutase (PGM) ortholog, PRP1, previously associated with Ca2+-dependent microneme secretion. Here it is shown that genetic deletion of either PRP1, its PGM2 ortholog, or both genes is dispensable for the parasite's lytic cycle, including host cell egress and invasion. Depletion of the proteins abrogated high Ca2+ mediated microneme secretion induced by the ionophore A23187; however, the constitutive and phosphatidic acid-mediated release remained unaffected. Secretion mediated by the former pathway is not essential for tachyzoite survival or acute in vivo infection in the mice. PMID- 29202047 TI - Subgingival Microbiome Colonization and Cytokine Production during Early Dental Implant Healing. AB - Little is known about longitudinal development of the peri-implant subgingival microbiome and cytokine production as a new sulcus forms after dental implant placement. Therefore, the purpose of this observational study was to evaluate simultaneous longitudinal changes in the oral microbiome and cytokine production in the developing peri-implant sulcus compared to control natural teeth. Four and 12 weeks after implant placement and abutment connection, a dental implant and a natural tooth were sampled in 25 patients for subgingival plaque and gingival crevicular fluid (GCF [around teeth] and peri-implant crevicular fluid [PICF] around implants). DNA from plaque samples was extracted and sequenced using Illumina-based 16S rRNA sequencing. GCF and PICF samples were analyzed using a customized Milliplex human cytokine and chemokine magnetic bead panel. Beta diversity analysis revealed that natural teeth and implants had similar subgingival microbiomes, while teeth had greater alpha diversity than implants. At the genus level, however, few differences were noted between teeth and dental implants over 12 weeks. Specifically, Actinomyces and Selenomonas were significantly elevated around teeth versus dental implants at both 4 weeks and 12 weeks, while Corynebacterium and Campylobacter were significantly elevated only at 4 weeks around teeth. The only difference between PICF and GCF biomarkers was significantly elevated granulocyte-macrophage colony-stimulating factor levels around teeth versus dental implants at the 4-week visit. The subgingival microbiome and cytokine production were similar between teeth and implants during early healing, suggesting that these profiles are driven by the patient following dental implant placement and are not determined by anatomical niche. IMPORTANCE Dental implants are a common treatment option offered to patients for tooth replacement. However, little is known regarding initial colonization of the subgingival microbiome and simultaneous longitudinal cytokine production in humans during the early healing phase following implant placement. We report findings from an in vivo study that assessed initial colonization of the subgingival microbiome and concomitant early cytokine production in a newly formed anatomical space, namely, an implant sulcus. This approach may be useful in future interventional studies to influence dental implant success. Our data showed that the subgingival microbiome and cytokine profile were similar for control natural teeth and dental implants at both 4 and 12 weeks after implant placement. These data suggest that these profiles are driven by the patient and not by anatomical location (i.e., tooth versus dental implant). PMID- 29202045 TI - Adaptation in a Fibronectin Binding Autolysin of Staphylococcus saprophyticus. AB - Human-pathogenic bacteria are found in a variety of niches, including free living, zoonotic, and microbiome environments. Identifying bacterial adaptations that enable invasive disease is an important means of gaining insight into the molecular basis of pathogenesis and understanding pathogen emergence. Staphylococcus saprophyticus, a leading cause of urinary tract infections, can be found in the environment, food, animals, and the human microbiome. We identified a selective sweep in the gene encoding the Aas adhesin, a key virulence factor that binds host fibronectin. We hypothesize that the mutation under selection (aas_2206A>C) facilitates colonization of the urinary tract, an environment where bacteria are subject to strong shearing forces. The mutation appears to have enabled emergence and expansion of a human-pathogenic lineage of S. saprophyticus. These results demonstrate the power of evolutionary genomic approaches in discovering the genetic basis of virulence and emphasize the pleiotropy and adaptability of bacteria occupying diverse niches. IMPORTANCEStaphylococcus saprophyticus is an important cause of urinary tract infections (UTI) in women; such UTI are common, can be severe, and are associated with significant impacts to public health. In addition to being a cause of human UTI, S. saprophyticus can be found in the environment, in food, and associated with animals. After discovering that UTI strains of S. saprophyticus are for the most part closely related to each other, we sought to determine whether these strains are specially adapted to cause disease in humans. We found evidence suggesting that a mutation in the gene aas is advantageous in the context of human infection. We hypothesize that the mutation allows S. saprophyticus to survive better in the human urinary tract. These results show how bacteria found in the environment can evolve to cause disease. PMID- 29202048 TI - Making It Last: Storage Time and Temperature Have Differential Impacts on Metabolite Profiles of Airway Samples from Cystic Fibrosis Patients. AB - Metabolites of human or microbial origin have the potential to be important biomarkers of the disease state in cystic fibrosis (CF). Clinical sample collection and storage conditions may impact metabolite abundances with clinical relevance. We measured the change in metabolite composition based on untargeted gas chromatography-mass spectrometry (GC-MS) when CF sputum samples were stored at 4 degrees C, -20 degrees C, or -80 degrees C with one or two freeze-thaw cycles. Daily measurements were taken for 1 week and then weekly for 4 weeks (4 degrees C) and 8 weeks (-20 degrees C). The metabolites in samples stored at -20 degrees C maintained abundances similar to those found at-80 degrees C over the course of 8 weeks (average change in Bray-Curtis distance, 0.06 +/- 0.04) and were also stable after one or two freeze-thaw cycles. However, the metabolite profiles of samples stored at 4 degrees C shifted after 1 day and continued to change over the course of 4 weeks (average change in Bray-Curtis distance, 0.31 +/- 0.12). The abundances of several amino acids and other metabolites increased with time of storage at 4 degrees C but remained constant at -20 degrees C. Storage temperature was a significant factor driving the metabolite composition (permutational multivariate analysis of variance: r2 = 0.32 to 0.49, P < 0.001). CF sputum samples stored at -20 degrees C at the time of sampling maintain a relatively stable untargeted GC-MS profile. Samples should be frozen on the day of collection, as more than 1 day at 4 degrees C impacts the global composition of the metabolites in the sample. IMPORTANCE Metabolomics has great potential for uncovering biomarkers of the disease state in CF and many other contexts. However, sample storage timing and temperature may alter the abundance of clinically relevant metabolites. To assess whether existing samples are stable and to direct future study design, we conducted untargeted GC-MS metabolomic analysis of CF sputum samples after one or two freeze-thaw cycles and storage at 4 degrees C and -20 degrees C for 4 to 8 weeks. Overall, storage at -20 degrees C and freeze-thaw cycles had little impact on metabolite profiles; however, storage at 4 degrees C shifted metabolite abundances significantly. GC-MS profiling will aid in our understanding of the CF lung, but care should be taken in studies using sputum samples to ensure that samples are properly stored. PMID- 29202049 TI - The odyssey of linking to and staying in HIV care among male sex workers in Peru. AB - Background: In Peru, there is little information about the HIV care continuum. Therefore, we conducted a study to describe the HIV care continuum among male sex workers (MSWs) in Lima. Methods: We applied close-ended surveys with 209 MSWs about their engagement in the HIV care continuum and open-ended surveys with 34 MSWs who are people living with HIV (PLHIV) to explore their linkage to and retention in HIV care. Results: Of 209 MSWs, only 71% (n=148) reported a lifetime HIV test and 56% (n=116) of all MSWs received confirmatory HIV test results. Of the 34 MSWs who are PLHIV, 76% had received HIV care at least once, but only 59% were currently in care, 50% were currently taking ART(antiretroviral therapy) and an even lower 32% had been on ART for 6 months or more. The primary reason for non-linkage to HIV care is the multiple visits to link at the Ministry of Health (MOH). Remaining in care was also challenging, particularly at non-governmental organizations (NGOs). Conclusions: Substantial barriers linking to and remaining in HIV care result in significant delays in linkage and high proportions of PLHIV that remain unlinked or become unstably linked following initial linkage. Urgent implementation science research is needed to facilitate linkage to HIV care and strengthen retention in HIV care post-linkage. PMID- 29202050 TI - One Size Doesn't Fit All: Measuring Individual Privacy in Aggregate Genomic Data. AB - Even in the aggregate, genomic data can reveal sensitive information about individuals. We present a new model-based measure, PrivMAF, that provides provable privacy guarantees for aggregate data (namely minor allele frequencies) obtained from genomic studies. Unlike many previous measures that have been designed to measure the total privacy lost by all participants in a study, PrivMAF gives an individual privacy measure for each participant in the study, not just an average measure. These individual measures can then be combined to measure the worst case privacy loss in the study. Our measure also allows us to quantify the privacy gains achieved by perturbing the data, either by adding noise or binning. Our findings demonstrate that both perturbation approaches offer significant privacy gains. Moreover, we see that these privacy gains can be achieved while minimizing perturbation (and thus maximizing the utility) relative to stricter notions of privacy, such as differential privacy. We test PrivMAF using genotype data from the Wellcome Trust Case Control Consortium, providing a more nuanced understanding of the privacy risks involved in an actual genome-wide association studies. Interestingly, our analysis demonstrates that the privacy implications of releasing MAFs from a study can differ greatly from individual to individual. An implementation of our method is available at http://privmaf.csail.mit.edu. PMID- 29202051 TI - A new platform for global health research and policy exchange and communication. AB - Peer-reviewed publications are essential to promote the development of global health sciences. Wuhan University Global Health Institute, in partnership with BioMed Central, launches Global Health Research and Policy (GHRP) as an open access journal to meet the needs of all authors and readers who are interested in global health. Our publication priorities include both empirical and implementation research, research methodologies, and global health education, as well as opinions and discussion over the concept of global health sciences and its development in the future. PMID- 29202052 TI - Moving from medical to health systems classifications of deaths: extending verbal autopsy to collect information on the circumstances of mortality. AB - Background: Verbal autopsy (VA) is a health surveillance technique used in low and middle-income countries to establish medical causes of death (CODs) for people who die outside hospitals and/or without registration. By virtue of the deaths it investigates, VA is also an opportunity to examine social exclusion from access to health systems. The aims were to develop a system to collect and interpret information on social and health systems determinants of deaths investigated in VA. Methods: A short set of questions on care pathways, circumstances and events at and around the time of death were developed and integrated into the WHO 2012 short form VA (SF-VA). Data were subsequently analysed from two census rounds in the Agincourt Health and Socio-Demographic Surveillance Site (HDSS), South Africa in 2012 and 2013 where the SF-VA had been applied. InterVA and descriptive analysis were used to calculate cause-specific mortality fractions (CSMFs), and to examine responses to the new indicators and whether and how they varied by medical CODs and age/sex sub-groups. Results: One thousand two hundred forty-nine deaths were recorded in the Agincourt HDSS censuses in 2012-13 of which 1,196 (96 %) had complete VA data. Infectious and non-communicable conditions accounted for the majority of deaths (47 % and 39 % respectively) with smaller proportions attributed to external, neonatal and maternal causes (5 %, 2 % and 1 % respectively). 5 % of deaths were of indeterminable cause. The new indicators revealed multiple problems with access to care at the time of death: 39 % of deaths did not call for help, 36 % found care unaffordable overall, and 33 % did not go to a facility. These problems were reported consistently across age and sex sub-groups. Acute conditions and younger age groups had fewer problems with overall costs but more with not calling for help or going to a facility. An illustrative health systems interpretation suggests extending and promoting existing provisions for transport and financial access in this setting. Conclusions: Supplementing VA with questions on the circumstances of mortality provides complementary information to CSMFs relevant for health planning. Further contextualisation of the method and results are underway with health systems stakeholders to develop the interpretation sequence as part of a health policy and systems research approach. PMID- 29202053 TI - Protection motivation theory and cigarette smoking among vocational high school students in China: a cusp catastrophe modeling analysis. AB - Background: Tobacco use is one of the greatest public health problems worldwide and the hazards of cigarette smoking to public health call for better recognition of cigarette smoking behaviors to guide evidence-based policy. Protection motivation theory (PMT) provides a conceptual framework to investigate tobacco use. Evidence from diverse sources implies that the dynamics of smoking behavior may be quantum in nature, consisting of an intuition and an analytical process, challenging the traditional linear continuous analytical approach. In this study, we used cusp catastrophe, a nonlinear analytical approach to test the dual process hypothesis of cigarette smoking. Methods: Data were collected from a random sample of vocational high school students in China (n = 528). The multivariate stochastic cusp modeling was used and executed with the Cusp Package in R. The PMT-based Threat Appraisal and Coping Appraisal were used as the two control variables and the frequency of cigarette smoking (daily, weekly, occasional, and never) in the past month was used as the outcome variable. Results: Consistent with PMT, the Threat Appraisal (asymmetry, alpha1 = 0.1987, p < 0.001) and Coping Appraisal (bifurcation, beta2 = 0.1760, p < 0.05) significantly predicted the smoking behavior after controlling for covariates. Furthermore, the cusp model performed better than the alternative linear and logistic regression models with regard to higher R2 (0.82 for cusp, but 0.21 for linear and 0.25 for logistic) and smaller AIC and BIC. Conclusion: Study findings support the conclusion that cigarette smoking in adolescents is a quantum process and PMT is relevant to guide studies to understand smoking behavior for smoking prevention and cessation. PMID- 29202054 TI - Dilemma of healthcare reform and invention of new discipline of health fiscalogy. AB - Background: China's Reform and Open up Policy in 1980s has brought rapid economic development to Chinese society. With the deepening of economic reform, the withdrawal of the state in China has had visible and worrisome consequences for health and for the functioning of health services. The new round of healthcare reform after 2009 has made significant achievements on improving fundamental health and bringing back the nature of welfare of health. However, the financing mechanism of health system has not been established, and the underlying reason behind the healthcare reform dilemma and the theoretical solution need to be found. Methods: This study used the methods of literature review, theoretical research and comparative research to summarize and analyze the reasons and solutions of current dilemma in healthcare reform, and created the new discipline of health fiscalogy through theoretical analysis and vertical and horizontal comparison of healthcare system, especially health financing. Results: Dilemma in healthcare system emerged from the circumstances of rapid process of industrialization, urbanization and population aging, including the profit-driven phenomena, tendency of excessive marketization in public hospitals, strained doctor-patient relationship, high disease burden on individuals and families, and so on. It can be concluded that the theoretical basis of healthcare system and the nature of health resources are crucial in solving the dilemma of healthcare reform. The theoretical basis of healthcare reform should be health fiscalogy focusing on government as the main body of health care responsibility rather than health economics focusing on anti-monopoly. There are two key differences between health economics and health fiscalogy: responsible person/department of disease and health welfare, and nature of resource. The new discipline of health fiscalogy has universal and important implications on both China's healthcare reform and the healthcare reform in the world. Conclusions: China's healthcare reform should return from the paradigm of health economics and marketization financing model to the paradigm of health fiscalogy and government-led financing model, which is reflected in the main position of government and social welfare. PMID- 29202055 TI - Determinants of patient survival during the 2014 Ebola Virus Disease outbreak in Bong County, Liberia. AB - Background: The unprecedented size of the 2014 Ebola Virus Disease (EVD) outbreak in West Africa has allowed for a more extensive characterization of the clinical presentation and management of this disease. In this study, we report the trends in morbidity, mortality, and determinants of patient survival as EVD spread into Bong County, Liberia. Methods: An analysis of suspected, probable, or confirmed cases of EVD (n = 607) reported to the Liberian Ministry of Health and Social Welfare (MOHSW) between March 23rd and December 31st 2014 was conducted. The likelihood of infection given exposure factors was determined using logistic regression in individuals with a definitive diagnosis by RT-PCR (n = 321). The risk of short-term mortality (30 days) given demographic factors, clinical symptoms, and highest level of treatment received was assessed with Cox regression and survival analyses (n = 391). Results: The overall mortality rate was 53.5 % (95 % CI: 49 %, 58 %) and decreased as access to medical treatment increased. Those who reported contact with another EVD case were more likely to be infected (OR: 5.7), as were those who attended a funeral (OR: 3.9). Mortality increased with age (P < 0.001) and was higher in males compared to females (P =0.006). Fever (HR: 6.63), vomiting (HR: 1.93), diarrhea (HR: 1.99), and unexplained bleeding (HR: 2.17) were associated with increased mortality. After adjusting for age, hospitalized patients had a 74 % reduction in the risk of short term mortality (P < 0.001 AHR: 0.26; 95 % CI AHR: 0.18, 0.37), compared to those not given medical intervention. Conclusion: Even treatment with only basic supportive care such as intravenous rehydration therapy was able to significantly improve patient survival in suspected, probable, or confirmed EVD cases. PMID- 29202056 TI - Taking action on violence through research, policy, and practice. AB - Background: Violence is a critical public health problem associated with compromised health and social suffering that are preventable. The Centre for Global Health and Health Equity organized a forum in 2014 to identify: (1) priority issues related to violence affecting different population groups in Canada, and (2) strategies to take action on priority issues to reduce violence related health inequities in Canada. In this paper, we present findings from the roundtable discussions held at the Forum, offer insights on the socio-political implications of these findings, and provide recommendations for action to reduce violence through research, policy and practice. Methods: Over 60 academic researchers, health and social service agency staff, community advocates and graduate students attended the daylong Forum, which included presentations on structural violence, community violence, gender-based violence, and violence against marginalized groups. Detailed notes taken at the roundtables were analyzed by the first author using a thematic analysis technique. Findings: The thematic analysis identified four thematic areas: 1) structural violence perpetuates interpersonal violence - the historical, social, political and economic marginalization that contributes to personal and community violence. 2) social norms of gender-based violence-the role of dominant social norms in perpetuating the practice of violence, especially towards women, children and older adults; 3) violence prevention and mitigation programs-the need for policy and programming to address violence at the individual/interpersonal, community, and societal levels; and 4) research gaps-the need for comprehensive research evidence made up of systematic reviews, community-based intervention and evaluation of implementation research to identify effective programming to address violence. Conclusions: The proceedings from the Global Health and Health Equity Forum underscored the importance of recognizing violence as a public health issue that requires immediate and meaningful communal and structural investment to break its historic cycles. Based on our thematic analysis and literature review, four recommendations are offered: (1) Support and adopt policies to prevent or reduce structural violence; (2) Adopt multi-pronged strategies to transform dominant social norms associated with violence; (3) Establish standards and ensure adequate funding for violence prevention programs and services; and (4) Fund higher level ecological research on violence prevention and mitigation. PMID- 29202058 TI - Shifts in endocrine homeostasis and preventive hormone replacement therapy: extending the Women's Health Initiative globally. AB - Background: Reducing disease risk for women after menopause is global health issue. A major portion of the Women's Health Initiative (WHI) consisted of two clinical trials involving 161,809 post-menopausal women aged 50-79 that tested the effect of hormone replacement therapy (HRT) on reducing cardiovascular disease and other secondary outcomes. Previous analyses of the data reveal that HRT should not be recommended for post-menopausal women, but show potential benefits for younger women. Thus, there may be a critical period just prior to or during the early stages of menopause where HRT could be both safe and beneficial. Main body: Menopause marks the beginning of a process of non-reversible reduction in estrogen by which estrogen levels decline progressively, followed by a reduction in estrogen receptors. This results in periods of hormone-receptor imbalances, exacerbating the effects of lower serum estrogen and is considered the primarily endocrinal source of menopause symptoms. Eventually a hormone receptor balance is achieved at a lower level.Here, we purport that the negative outcomes from WHI trials were primarily due to the fact preventive HRT was initiated in women who had already achieved hormone-receptor equilibrium at lower hormonal levels. Conclusion: We argue for further HRT clinical trials in women at varying stages of menopause, including pre-menopause and early menopause, and in women from different countries. Variation across countries and subgroups in how women experience menopause and perceive menopause symptoms suggest that biocultural differences should be considered in both study design and measurement approaches to test the effectiveness of HRT. Particularly, we recommend longitudinal studies to assess changes in hormonal level over time, and to detect the "most effective period" for HRT to reduce health risk for women going through the whole menopause period. PMID- 29202057 TI - Potentially traumatic events, coping strategies and associations with mental health and well-being measures among conflict-affected youth in Eastern Democratic Republic of Congo. AB - Background: Youth in conflict and post-conflict settings are exposed to a variety of potentially-traumatic events that impact their mental health and well-being. The purposes of this study were to examine coping strategies among conflict affected youth exposed to potentially-traumatic events and the relationship to psychological symptoms and well-being in the Democratic Republic of Congo (DRC). Methods: A total of 434 male and female youth (ages 10-15 years) completed data collection with a trained Congolese interviewer. The survey instrument included measures of exposure to potentially traumatic events, an adapted coping strategies checklist, and measures of psychosocial distress and well-being. Exploratory factor analyses was used to identify coping strategies and Hierarchical regression was used to assess how coping strategies were associated with psychological symptoms including internalizing and externalizing problems and well-being outcomes including prosocial behavior and self-esteem. Results: Exploratory Factor analysis suggested four coping strategies; problem-focused, emotion-focused, avoidance and faith-based strategies. Problem-focused coping strategies were associated with greater internalizing and externalizing problems and lower prosocial behavior in both boys and girls. However, when problem focused strategies were used with emotion-focused coping strategies, the result was fewer internalizing problems in girls and fewer externalizing problems in boys and girls. Emotion-focused, avoidance and faith based strategies were associated with better self-esteem. Conclusion: These results suggest a complex relationship between coping strategies, psychological symptoms and well-being and contradict evidence that problem-focused strategies benefit mental health while emotion-focused strategies harm mental health, particularly in conflict and post conflict settings. The results suggest coping flexibility, or use of multiple coping strategies may be particularly useful to improving mental health and well being. The need for context specific understandings of coping strategies in conflict-affected populations is highlighted by the results of the study. PMID- 29202059 TI - Community-based management versus traditional hospitalization in treatment of drug-resistant tuberculosis: a systematic review and meta-analysis. AB - Background: Multidrug drug resistant Tuberculosis (MDR-TB) and extensively drug resistant Tuberculosis (XDR-TB) have emerged as significant public health threats worldwide. This systematic review and meta-analysis aimed to investigate the effects of community-based treatment to traditional hospitalization in improving treatment success rates among MDR-TB and XDR-TB patients in the 27 MDR-TB High burden countries (HBC). Methods: We searched PubMed, Cochrane, Lancet, Web of Science, International Journal of Tuberculosis and Lung Disease, and Centre for Reviews and Dissemination (CRD) for studies on community-based treatment and traditional hospitalization and MDR-TB and XDR-TB from the 27 MDR-TB HBC. Data on treatment success and failure rates were extracted from retrospective and prospective cohort studies, and a case control study. Sensitivity analysis, subgroup analyses, and meta-regression analysis were used to explore bias and potential sources of heterogeneity. Results: The final sample included 16 studies involving 3344 patients from nine countries; Bangladesh, China, Ethiopia, Kenya, India, South Africa, Philippines, Russia, and Uzbekistan. Based on a random effects model, we observed a higher treatment success rate in community-based treatment (Point estimate = 0.68, 95 % CI: 0.59 to 0.76, p < 0.01) compared to traditional hospitalization (Point estimate = 0.57, 95 % CI: 0.44 to 0.69, p < 0.01). A lower treatment failure rate was observed in community-based treatment 7 % (Point estimate = 0.07, 95 % CI: 0.03 to 0.10; p < 0.01) compared to traditional hospitalization (Point estimate = 0.188, 95 % CI: 0.10 to 0.28; p < 0.01). In the subgroup analysis, studies without HIV co-infected patients, directly observed therapy short course-plus (DOTS-Plus) implemented throughout therapy, treatment duration > 18 months, and regimen with drugs >5 reported higher treatment success rate. In the meta-regression model, age of patients, adverse events, treatment duration, and lost to follow up explains some of the heterogeneity of treatment effects between studies. Conclusion: Community-based management improved treatment outcomes. A mix of interventions with DOTS-Plus throughout therapy and treatment duration > 18 months as well as strategies in place for lost to follow up and adverse events should be considered in MDR-TB and XDR-TB interventions, as they influenced positively, treatment success. PMID- 29202060 TI - Determinants of intentions to quit smoking among adult smokers in Bangladesh: findings from the International Tobacco Control (ITC) Bangladesh wave 2 survey. AB - Background: With about 22 million adult smokers, Bangladesh needs strong measures that would promote smoking cessation. Using data from Wave 2 of the International Tobacco Control (ITC) Survey, this study examined the factors associated with intention to quit smoking among Bangladeshi smokers. Methods: Data from Wave 2 of the International Tobacco Control (ITC) Survey in Bangladesh, a face to face survey of adult smokers, were analysed. In the ITC survey, households were sampled using a stratified multistage design and interviewed using a structured questionnaire. Results: Of the respondents (N = 2982), most were male (96 %), married (80 %), and Muslim (83 %); 33 % were illiterate and 54 % were aged below 40. Almost two-thirds were from areas outside Dhaka, 78 % smoked cigarettes exclusively; and 36 % had an intention to quit smoking in the future. This study identified several predictors, comparable to other international studies, of intention to quit smoking: area of residence, number of cigarettes smoked daily, previous quit attempt, visiting a doctor in the past, having child aged 5 or below at home, perceived benefit from quitting, being worried about own health, knowledge of SHS, not enjoying smoking and workplace smoking policy. Conclusions: These findings suggest that the prevalence of intention to quit smoking is lower among Bangladeshi smokers than those among smokers in developed countries. However, the factors relating to quit intentions among Bangladeshi smokers are comparable to those found in Western countries. Population based tobacco control programs and policies should consider these predictors in the design of interventions to increase quitting among smokers in Bangladesh. PMID- 29202061 TI - Medical students' perceptions about the added educational value of student-run HIV/AIDS educational campaigns in the Dominican Republic. AB - Objective: This purpose of this report was to examine the perceptions of medical students about the strengths, limitations, and recommendations for improvement of the first known student-run HIV/AIDS educational campaigns in the Dominican Republic (DR), as they relate to the added value applied to their educational training. Methods: A retrospective review was conducted on evaluation reports completed by five medical students who coordinated the implementation of three annual HIV/AIDS educational campaigns in five DR communities, between 2012 and 2014. Thematic analysis was used to identify emerging themes related to perceived strengths, limitations, and recommendations for improvement and develop an acronym related to program strengths as value added to medical education. Results: Students highlighted that program strengths were the use of social media technology to facilitate communication and culture-based creativity to capture the attention of target audiences; and limitations were inadequate financial support and HIV-related cultural stigma, due to lack of disease knowledge and awareness or perceived contrasts between the federal system and faith-based community. Recommendations for program improvement, such as comprehensive event preparation and knowing the target audience, were described as key to maximizing the delivery of health messages. Conclusions: Our results highlighted that medical students gained expertise in the effective use of social media technology, culture-based creativity, and team synergy to disseminate HIV/AIDS health information across five DR communities. Students participated in these extracurricular community health campaigns, strengthening skills in communication, health advocacy, and leadership for their medical training. They served as human resources for health and can pave the way as future clinicians and indispensable health educators in local and national health collaborations. PMID- 29202062 TI - Health system strengthening and hypertension management in China. AB - Background: Non-communicable diseases are the leading causes of global burden of diseases, and hypertension is one of the most important risk factors. Hypertension prevalence doubled in China in the past decade and affects more than 300 million Chinese people. In the review we systematically searched peer reviewed publications that link health system level factors with hypertension management in China and provide the current knowledge on how to improve a country's health system to manage the hypertension epidemic. Methods: A framework was developed to guide the review. The database of PubMed, CNKI were systematically searched from inception to April 13, 2016. Two authors independently screened the searched results for inclusion, conducted data extraction and appraised the quality of studies. Key findings were described according to the framework. Findings: Five hundred seventy-two publications were identified, where 11 articles were left according to the inclusion and exclusion criteria. The study periods range from 2010 to 2015. All about 11 researches linked health system factors to the outcome of hypertension management. And the outcomes were just focused on the awareness, treatment and control of hypertension but not hypertension incidence. One study is about the role of health system governance, investigating the performance of different organized community health care centers; three studies were about health financing comparing differences in insurance coverage; three studies were about health information practicing the hypertension guidelines of China or the WHO, and the rest three about mechanisms of health service delivery. No researches were identified about physical resources for health and human resources for health. Conclusions: Hypertension prevalence has been rising rapidly in China and the management of hypertension in China is a detection problem rather than treatment problem. Limited evidence shows the positive effect of health system factors on hypertension management and joint efforts from health system and epidemiological researchers are warranted to extend knowledge in this area. PMID- 29202063 TI - The global spread of Middle East respiratory syndrome: an analysis fusing traditional epidemiological tracing and molecular phylodynamics. AB - Background: Since its discovery in 2012, over 1700 confirmed cases of Middle East Respiratory Syndrome (MERS) have been documented worldwide and more than a third of those cases have died. While the greatest number of cases has occurred in Saudi Arabia, the recent export of MERS-coronavirus (MERS-CoV) to Republic of Korea showed that a pandemic is a possibility that cannot be ignored. Due to the deficit of knowledge in transmission methodology, targeted treatment and possible vaccines, understanding this virus should be a priority. Our aim was to combine epidemiological data from literature with genetic information from viruses sequenced around the world to present a phylodynamic picture of MERS spread molecular level to global scale. Methods: We performed a qualitative meta analysis of all laboratory confirmed cases worldwide to date based on literature, with emphasis on international transmission and healthcare associated infections. In parallel, we used publicly available MERS-CoV genomes from GenBank to create a phylogeographic tree, detailing geospatial timeline of viral evolution. Results: Several healthcare associated outbreaks starting with the retrospectively identified hospital outbreak in Jordan to the most recent outbreak in Riyadh, Saudi Arabia have occurred. MERS has also crossed many oceans, entering multiple nations in eight waves between 2012 and 2015. In this paper, the spatiotemporal history of MERS cases, as documented epidemiologically, was examined by Bayesian phylogenetic analysis. Distribution of sequences into geographic clusters and interleaving of MERS-CoV sequences from camels among those isolated from humans indicated that multiple zoonotic introductions occurred in endemic nations. We also report a summary of basic reproduction numbers for MERS-CoV in humans and camels. Conclusion: Together, these analyses can help us identify factors associated with viral evolution and spread as well as establish efficacy of infection control measures. The results are especially pertinent to countries without current MERS-CoV endemic, since their unfamiliarity makes them particularly susceptible to uncontrollable spread of a virus that may be imported by travelers. PMID- 29202064 TI - An instrument based on protection motivation theory to predict Chinese adolescents' intention to engage in protective behaviors against schistosomiasis. AB - Background: Further advancement in schistosomiasis prevention requires new tools to assess protective motivation, and promote innovative intervention program. This study aimed to develop and evaluate an instrument developed based on the Protection Motivation Theory (PMT) to predict protective behavior intention against schistosomiasis among adolescents in China. Methods: We developed the Schistosomiasis PMT Scale based on two appraisal pathways of protective motivation- threat appraisal pathway and coping appraisal pathway. Data from a large sample of middle school students (n = 2238, 51 % male, mean age 13.13 +/- 1.10) recruited in Hubei, China was used to evaluated the validity and reliability of the scale. Results: The final scale contains 18 items with seven sub-constructs. Cronbach's Alpha coefficients for the entire instrument was 0.76, and for the seven sub-constructs of severity, vulnerability, intrinsic reward, extrinsic reward, response efficacy, self-efficacy and response cost was 0.56, 0.82, 0.75, 0.80, 0.90, 0.72 and 0.70, respectively. The construct validity analysis revealed that the one level 7 sub-constructs model fitted data well (GFI = 0.98, CFI = 0.98, RMSEA = 0.03, Chi-sq/df = 3.90, p < 0.001). Predictive validity showed that both the PMT instrument score and the 7 sub-construct scores were significantly correlated with the intention engaged in protective behavior against schistosomiasis (p < 0.05). Conclusions: This study provides a reliable and valid tool to measure protective motivation in schistosomiasis prevention control. Further studies are needed to develop more effective intervention programs for schistosomiasis prevention. PMID- 29202065 TI - Dengue fever outbreaks in Eritrea, 2005-2015: A case for strengthening surveillance, control and reporting. AB - Background: The geographic distribution and burden of dengue is increasing globally. This study aims to evaluate dengue outbreaks and to substantiate the need for strengthened surveillance, reporting and control in Eritrea. Methods: Data from two cross-sectional dengue epidemic investigations in 2005 and 2010 were analyzed. Samples were tested for dengue virus-specific IgM and IgG antibodies using capture enzyme-linked immunosorbent assays. Dengue vectors' breeding attributes were characterized and epidemic risk indices determined. National routine surveillance weekly reports from 2005 to the second quarter of 2015 were analyzed for spatiotemporal trends. Results: Dengue outbreaks increased in Eritrea from 2005 to 2015 with clinical presentation varying markedly among patients. The house and container indices for Aedes aegypti were 40 and 39.6 % respectively, with containers having A. aeqypti varying significantly (P < 0.04). Serum from 33.3 % (n = 15) and 88 % (n = 26) of clinical dengue cases in Aroget sub-Zoba (district) of Gash Barka Zoba (region) contained anti-DENV IgM antibody in 2005 and 2006, respectively. The national surveillance data from 2005 to 2015 indicate an overall spatiotemporal increase of dengue fever. Conclusions: The increase in dengue outbreaks has been confirmed in Eritrea and necessitates strengthening of surveillance and health worker and laboratory capacity, as well as targeted vector control interventions. PMID- 29202066 TI - Factors contributing to low uptake and renewal of health insurance: a qualitative study in Ghana. AB - Background: The effort to expand access to healthcare and reduce health inequalities in many low income countries have meant that many have adopted different levels of social health protection mechanisms. Ghana introduced a National Health Insurance Scheme (NHIS) in 2005 with the aim of removing previous barriers created by the user fees financing system. Although the NHIS has made health accessible to some category of people, the majority of Ghanaians (60 %) are not enroled on the scheme. Earlier studies have looked at various factors that account for this low uptake. However, we recognise that this qualitative study will nuance the depth of these barriers to enrolment. Methods: Minimally structured, qualitative interviews were conducted with key stakeholders at the district, regional and national levels. Focus group discussions were also undertaken at the community level. Using an inductive and content analytic approach, the transcripts were analyzed to identify and define categories that explain low uptake of health insurance. Results: The results are presented under two broad themes: sociocultural and systemic factors. Sociocultural factors identified were 1) vulnerability within certain groups such as the aged and the disabled groups which impeded access to the NHIS 2) cultural and religious norms which discouraged enrolment into the scheme. System-wide factors were 1) inadequate distribution of social infrastructure such as healthcare facilities, 2) weak administrative processes within the NHIS, and 3) poor quality of care. Conclusions: Mapping the interplay of these dynamic relations between the NHIS, its clients and service providers, the study identifies critical factors at the policy-making level, service provider level, and client level (reflective in household and community level institutional arrangements) that affect enrolment in the scheme. Our findings inform a number of potential reforms in the area of distribution of health resources and cost containment to expand coverage, increase choices and meeting the needs of the end user. PMID- 29202067 TI - Pubertal development and screen time among South Korean adolescents: testing body mass index and psychological well-being as mediators. AB - Background: This study tested links between pubertal development and screen time among South Korean adolescent boys and girls. Methods: Secondary analysis was conducted on data from the Korean Children and Youth Panel Study (KCYPS) involving 2071 adolescents (age M = 13.14 years). Body mass index (BMI) at Grade 8 (baseline), self-esteem and depression at Grade 9 were examined as mediators of the relationship between pubertal development and screen time after adjusting for household income and academic performance. Structural equation modeling was used to assess direct and indirect pathways between pubertal development at Grade 8 and screen time at Grade 9. Results: No direct effect of pubertal development on screen time was found. But, an indirect effect existed for boys from pubertal development to screen time through BMI. Earlier pubertal development predicted higher BMI, and in turn, higher BMI predicted more time spent in screen time. Among girls, pubertal development negatively predicted BMI; however, no mediation effect of BMI between pubertal development and screen time was observed. No mediation effect of self-esteem or depression was found among boys or girls. Conclusions: Pubertal development appears to have an indirect influence on screen time through BMI for South Korean boys. More studies examining potential pathways between pubertal development and sedentary behavior are needed to build on these findings. PMID- 29202068 TI - Developing an approach to assessing the political feasibility of global collective action and an international agreement on antimicrobial resistance. AB - Background: Antimicrobial resistance (AMR) is a global issue. International trade, travel, agricultural practices, and environmental contamination all make it possible for resistant microbes to cross national borders. Global collective action is needed in the form of an international agreement or other mechanism that brings states together at the negotiation table and commits them to adopt or implement policies to limit the spread of resistant microorganisms. This article describes an approach to assessing whether political and stakeholder interests can align to commit to tackling AMR. Methods: Two dimensions affecting political feasibility were selected and compared across 82 countries: 1) states' global influence and 2) self-interest in addressing AMR. World Bank GDP ranking was used as a proxy for global influence, while human antibiotic consumption (10-year percent change) was used as a proxy for self-interest in addressing AMR. We used these data to outline a typology of four country archetypes, and discuss how these archetypes can be used to understand whether a proposed agreement may have sufficient support to be politically feasible. Results: Four types of countries exist within our proposed typology: 1) wealthy countries who have the expertise and financial resources to push for global collective action on AMR, 2) wealthy countries who need to act on AMR, 3) countries who require external assistance to act on AMR, and 4) neutral countries who may support action where applicable. Any international agreement will require substantial support from countries of the first type to lead global action, and from countries of the second type who have large increasing antimicrobial consumption levels. A large number of barriers exist that could derail efforts towards global collective action on AMR; issues of capacity, infrastructure, regulation, and stakeholder interests will need to be addressed in coordination with other actors to achieve an agreement on AMR. Conclusions: Achieving a global agreement on access, conservation, and innovation - the three pillars of AMR - will not be easy. However, smaller core groups of interested Initiator and Pivotal Countries could develop policy and resolve many issues. If highly influential countries take the lead, agreements could then be scaled up to achieve global action. PMID- 29202069 TI - The evolution of socioeconomic status-related inequalities in maternal health care utilization: evidence from Zimbabwe, 1994-2011. AB - Background: Inequalities in maternal health care are pervasive in the developing world, a fact that has led to questions about the extent of these disparities across socioeconomic groups. Despite a growing literature on maternal health across Sub-Saharan African countries, relatively little is known about the evolution of these inequalities over time for specific countries. This study sought to quantify and explain the observed differences in prenatal care use and professional delivery assistance in Zimbabwe. Methods: The empirical analysis uses four rounds of the nationwide Zimbabwe Demographic and Health Survey administered in 1994, 1999, 2005/06 and 2010/11. Two binary indicators were used as measures of maternal health care utilization; (1) the receipt of four or more antenatal care visits and (2) receiving professional delivery assistance for the most recent pregnancy. We measure inequalities in maternal health care use using the Erreygers corrected concentration index. A decomposition analysis was conducted to determine the underlying drivers of the measured disparities. Results: The computed concentration indices for professional delivery assistance and prenatal care reveal a mostly pro-rich distribution of inequalities between 1994 and 2011. Particularly, the concentration index [95% confidence interval] for the receipt of prenatal care was 0.111 [0.056, 0.171] in 2005/06 and 0.094 [0.057, 0.138] in 2010/11. For professional delivery assistance, the concentration index stood at 0.286 [0.244, 0.329] in 2005/06 and 0.324 [0.283, 0.366] in 2010/11. The pro-rich inequality was also increasing in both rural and urban areas over time. The decomposition exercise revealed that wealth, education, religion and information access were the underlying drivers of the observed inequalities in maternal health care. Conclusions: In Zimbabwe, socioeconomic disparities in maternal health care use are mostly pro-rich and have widened over time regardless of the location of residence. Overall, we established that inequalities in wealth and education are amongst the top drivers of the observed disparities in maternal health care. These findings suggest that addressing inequalities in maternal health care utilization requires coordinated public policies targeting the more poor and vulnerable segments of the population in Zimbabwe. PMID- 29202070 TI - Identifying the poor for premium exemption: a critical step towards universal health coverage in Sub-Saharan Africa. AB - Premium exemption for the poor is a critical step towards achieving universal health coverage in sub-Saharan Africa due to the large proportion of the population living in extreme poverty who cannot pay premium. However, identifying the poor for premium exemption has been a big challenge for SSA countries. This paper is a succinct review of four methods available for identifying the poor, outlining the ideal conditions under which each of the methods should be used and the drawbacks associated with using each of the methods. PMID- 29202071 TI - Childhood anemia in Rural Haiti: the potential role of community health workers. AB - Background: Childhood iron deficiency anemia (IDA) is an important contributor to under-five mortality in the developing world. There is evidence that Community Health Worker (CHW) delivered programs to increase maternal knowledge of child health practices may decrease childhood IDA. This study reports findings on the association between a long standing CHW intervention and childhood anemia status in rural Haiti. Methods: Using structural equations and mediation analyses on data from a household-based survey of 621 mother/child dyads, we tested the hypothesis that CHW would have a direct positive effect on maternal knowledge and an indirect effect on childhood anemia in rural Haiti. Results: CHW contact was significantly associated with maternal knowledge of key child health practices (beta = 0.193, SE = 0.058, p = 0.001). However, knowledge was not associated with childhood anemia (beta = -0.008, SE = 0.009, p = 0.382). Maternal knowledge categories significantly affected by CHW contact included diarrheal prevention knowledge (beta = 0.111, SE = 0.045, p = 0.013) and signs of malnutrition (beta = 0.217, SE = 0.071, p = 0.002). There was no significant association with knowledge of vitamin A and iron rich foods (beta = 0.057, SE = 0.032, p = 0.074), which is the intervention most likely to impact childhood anemia. In all path models tested, we identified the control variables low household socio-economic status, mothers' anemia status, and child's age less than 24 months as significant predictors of childhood anemia. Conclusions: CHWs delivered interventions are associated with improved maternal knowledge of child health practices in rural Haiti; however, this knowledge is not associated with improved childhood anemia. Concurrently with CHW-delivered programs, interventions household poverty are implied to impact childhood health outcomes in resource poor settings. PMID- 29202072 TI - Participatory approach to design social accountability interventions to improve maternal health services: a case study from the Democratic Republic of the Congo. AB - Background: Social accountability (SA) comprises a set of mechanisms aiming to, on the one hand, enable users to raise their concerns about the health services provided to them (voice), and to hold health providers (HPs) accountable for actions and decisions related to the health service provision. On the other hand, they aim to facilitate HPs to take into account users' needs and expectations in providing care. This article describes the development of a SA intervention that aims to improve health services responsiveness in two health zones in the Democratic Republic of the Congo. Methods: Beneficiaries including men, women, community health workers (CHWs), representatives of the health sector and local authorities were purposively selected and involved in an advisory process using the Dialogue Model in the two health zones: (1) Eight focus group discussions (FGDs) were organized separately during consultation aimed at sharing and discussing results from the situation analysis, and collecting suggestions for improvement, (2) Representatives of participants in previous FGDs were involved in dialogue meetings for prioritizing and integrating suggestions from FGDs, and (3) the integrated suggestions were discussed by research partners and set as intervention components. All the processes were audio-taped, transcribed and analysed using inductive content analysis. Results: Overall there were 121 participants involved in the process, 51 were female. They provided 48 suggestions. Their suggestions were integrated into six intervention components during dialogue meetings: (1) use CHWs and a health committee for collecting and transmitting community concerns about health services, (2) build the capacity of the community in terms of knowledge and information, (3) involve community leaders through dialogue meetings, (4) improve the attitude of HPs towards voice and the management of voice at health facility level, (5) involve the health service supervisors in community participation and; (6) use other existing interventions. These components were then articulated into three intervention components during programming to: create a formal voice system, introduce dialogue meetings improving enforceability and answerability, and enhance the health providers' responsiveness. Conclusions: The use of the Dialogue Model, a participatory process, allowed beneficiaries to be involved with other community stakeholders having different perspectives and types of knowledge in an advisory process and to articulate their suggestions on a combination of SA intervention components, specific for the two health zones contexts. PMID- 29202073 TI - What does the development of medical tourism in Barbados hold for health equity? an exploratory qualitative case study. AB - Background: Although the global growth of privatized health care services in the form of medical tourism appears to generate economic benefits, there is debate about medical tourism's impacts on health equity in countries that receive medical tourists. Studies of the processes of economic globalization in relation to social determinants of health suggest that medical tourism's impacts on health equity can be both direct and indirect. Barbados, a small Caribbean nation which has universal public health care, private sector health care and a strong tourism industry, is interested in developing an enhanced medical tourism sector. In order to appreciate Barbadians' understanding of how a medical tourism industry might impact health equity. Methods: We conducted 50 individual and small-group interviews in Barbados with stakeholders including government officials, business and health professionals. The interviews were coded and analyzed deductively using the schedule's questions, and inductively for novel findings, and discussed by the authors. Results: The findings suggest that in spite of Barbados' universal health care and strong population health indicators, there is expressed concern for medical tourism's impact on health equity. Informants pointed to the direct ways in which the domestic population might access more health care through medical tourism and how privately-provided medical tourism in Barbados could provide health benefits indirectly to the Barbadian populations. At the same time, they cautioned that these benefits may not materialize. For example, the transfer of public resources - health workers, money, infrastructure and equipment - to the private sector to support medical tourism with little to no return to government revenues could result in health inequity through reductions in access to and availability of health care for residents. Conclusions: In clarifying the direct and indirect pathways by which medical tourism can impact health equity, these findings have implications for health system stakeholders and decision-makers in Barbados and other countries attempting both to build a medical tourism industry and to protect health equity. PMID- 29202074 TI - Examining the changing health care seeking behavior in the era of health sector reforms in India: evidences from the National Sample Surveys 2004 & 2014. AB - Background: Health policy formulations in India have witnessed a shift from a reactive approach to a more proactive approach over the last decade. It is therefore important to understand the effectiveness of recent national health policies (such as the National Rural Health Mission and the National Urban Health Mission) in addressing the varied needs of the heterogeneous population of India. Methods: We use datasets from the National Sample Surveys carried out in 2004 and 2014 to understand the change in the health seeking behavior as a result of these policies. The choice of health care facilities and the associated expenditures are compared through descriptive analyses. A multinomial logistic regression is used to identify the significant parameters which contribute towards the share of health care providers in India. The health status of two economically disparate Indian states (Bihar and Kerala) are also compared through specific metrics of performance. Results: It is seen that due to increased availability of facilities in close proximity, both rural and urban residents prefer to avail of those facilities which will result in minimization of transportation cost. The effectiveness of national health policies is found to vary on a regional scale. Literacy and health status have a strong correlation, thereby reinforcing that Bihar still lags far behind Kerala in terms of access to equitable health care. Conclusion: Therefore, a hierarchical system, incorporating medical pluralism and tailor-made policies targeted at diverse health care demands, needs to be put in place to achieve Goal 3 of the Sustainable Development Goals as decreed by the United Nations, i.e., "health for all". PMID- 29202075 TI - Aid effectiveness and programmatic effectiveness: a proposed framework for comparative evaluation of different aid interventions in a particular health system. AB - Background: Against a backdrop of changing concepts of aid effectiveness, development effectiveness, health systems strengthening, and increasing emphasis on impact evaluation, this article proposes a theory-driven impact evaluation framework to gauge the effect of aid effectiveness principles on programmatic outcomes of different aid funded programs in the health sector of a particular country. Methods: The foundation and step-by-step process of implementing the framework are described. Results: With empirical evidence from the field, the steps involve analysis of context, program designs, implementation mechanisms, outcomes, synthesis, and interpretation of findings through the programs' underlying program theories and interactions with the state context and health system. Conclusions: The framework can be useful for comparatively evaluating different aid interventions both in fragile and non-fragile state contexts. PMID- 29202076 TI - A globally networked hybrid approach to public health capacity training for maternal health professionals in low and middle income countries. AB - Background: MundoComm is a current NIH-funded project for sustainable public health capacity building in community engagement and technological advances aimed at improving maternal health issues. Two to four teams are selected annually, each consisting of three healthcare professionals and one technical person from specific low and middle income countries (LMICs) including Costa Rica, Dominican Republic, Honduras, and other LMICs. MundoComm is a course with three parts: in person workshops, online modules, and mentored community engagement development. Two annual 1-week on-site "short courses" convened in Costa Rica are supplemented with six monthly online training modules using the Moodle(r) online platform for e-learning, and mentored project development. The year-long course comprises over 20 topics divided into the six modules - each module further segmented into 4 week-long assignments, with readings and assigned tasks covering different aspects of community-engaged interventions. The content is peer reviewed by experts in the respective fields from University of Rochester, UCIMED in Costa Rica, and faculty from Costa Rica and the Dominican Republic who maintain regular contact with the trainees to mentor learning and project progress. The purpose of this paper is to report the first year results of the MundoComm project. Methods: Both quantitative and qualitative feedback (using online data capturing forms) assess baseline and post-training knowledge and skills in public health project strategies. Results: The course currently has one team each in Costa Rica, the Dominican Republic, and Honduras for a total of 12 trainees. The course and modules include best practices in information and communication technologies (ICTs), ethical reviews, community engagement, evidence-based community interventions, and e-Health strategies. To maximize successful and culturally appropriate training approaches, the multi-media didactic presentations, flexible distance learning strategies, and the use of tablets for offline data collection are offered to trainees, and then feedback from trainees and other lessons learned aid in the refinement of subsequent curricular improvements. Conclusions: Through remark and discussion, the authors report on 1) the feasibility of using a globally networked learning environment (GNLE) plus workshop approach to public health capacity training and 2) the capacity of LMIC teams to complete the MundoComm trainings and produce ICT-based interventions to address a maternal health issue in their respective regions. PMID- 29202077 TI - Eating practices during pregnancy: perceptions of select Maasai women in Northern Tanzania. AB - Background: Globally, pregnant women are challenged to meet sufficient and necessary dietary intake in order to improve maternal and neonatal outcomes. These challenges are amplified in traditional communities, such as the Maasai, where the historical and cultural practices may further curtail, or impact on this dyad's potential success. The research is intended to enhance understanding of Maasai women's pregnancy and nutrition traditions as well as their beliefs. Method: Interviews with 12 pregnant Maasai women, all originally from the (Ngorongoro Conservation Area Authority NCAA) area and have spent most or all of their adult lives in the NCAA, sought to answer two research questions: how do these women describe their current dietary pattern and what do they believe is the role of nutrition during pregnancy. Results: Interpretive description methodology was used to reveal five themes: (1) Eating less food makes baby come easier, (2) Not producing food means more dependence, (3) Working hard harms my baby, (4) Knowing what is needed for a good pregnancy and (5) Preferring our traditional ways for pregnancy and birth. Conclusions: There is an imperative to address nutrition throughout the perinatal period within the Maasai population and the women recognize how important nutrition is for them and their babies. Opportunities to incorporate cultural values and practices must be embedded in programmes/services to achieve success and sustainability. It is important for future prenatal programming with the Maasai in northern Tanzania and other vulnerable groups of pregnant women to build on the women's knowledge of what leads to good pregnancy outcomes. PMID- 29202078 TI - Global climate change: impact of heat waves under different definitions on daily mortality in Wuhan, China. AB - Background: There was no consistent definition for heat wave worldwide, while a limited number of studies have compared the mortality effect of heat wave as defined differently. This paper aimed to provide epidemiological evidence for policy makers to determine the most appropriate definition for local heat wave warning systems. Methods: We developed 45 heat wave definitions (HWs) combining temperature indicators and temperature thresholds with durations. We then assessed the impact of heat waves under various definitions on non-accidental mortality in hot season (May-September) in Wuhan, China during 2003-2010. Results: Heat waves defined by HW14 (daily mean temperature >= 99.0th percentile and duration >= 3 days) had the best predictive ability in assessing the mortality effects of heat wave with the relative risk of 1.63 (95% CI: 1.43, 1.89) for total mortality. The group-specific mortality risk using official heat wave definition of Chinese Meteorological Administration was much smaller than that using HW14. We also found that women, and the elderly (age >= 65) were more susceptible to heat wave effects which were stronger and longer lasting. Conclusion: These findings suggest that region specific heat wave definitions are crucial and necessary for developing efficient local heat warning systems and for providing evidence for policy makers to protect the vulnerable population. PMID- 29202079 TI - Increasing protocol suitability for clinical trials in sub-Saharan Africa: a mixed methods study. AB - Background: The trial protocol is the most important document for clinical trials and describes not only the design and methodology of a study, but also all practical aspects. The suitability of the protocol has a direct impact on the execution and results of the trial. However, suitability is rarely addressed in trial practice and research. The aim of our study was to investigate protocol suitability and to identify suitability-enhancing measures for trials in sub Saharan Africa. Methods: We used an exploratory mixed methods design. First, we interviewed 36 trial staff at different organisational levels in Ghana, Burkina Faso and Senegal. Second, we conducted an online survey among trial staff in sub Saharan Africa to investigate trial protocol suitability based on the main themes distilled from the interviews. Results: Protocol suitability surfaced as a prominent topic in interviews with trial staff, critiqued for its lack of clarity, implementability and adaptation to trial participants as well as to the workforce and infrastructure available. Both qualitative and quantitative investigations identified local site staff involvement in protocol development as the most helpful mean of increasing protocol suitability. Careful assessment of the local context, capacity and cultures, and ensuring that staff understand the protocol were also cited as helpful measures. Conclusions: Our data suggests that protocol suitability can be increased by discussing and reviewing the protocol with trial staff in advance. Involving operationally experienced staff would be most useful. For multicentre trials, we suggest that at least one trial staff member from each of the sites with the highest expected recruitment rates be involved in developing the protocol. Carefully assessing the context prior to study start is indispensable to ensuring protocol suitability and should particularly focus on the workforce and infrastructure available, as well as the needs and availability of trial participants. To allow for protocol suitability enhancing measures, planners must allocate enough time for trial preparation and solicit feedback and information on context at an early stage. Such prospective planning would increase implementability, efficiency and quality of trials in the long run. PMID- 29202080 TI - A practical approach for scaling up the alternative strategy for the elimination of lymphatic filariasis in Loa loa endemic countries - developing an action plan. AB - Background: Lymphatic filariasis (LF) is a vector-borne parasitic disease that is being targeted for elimination through mass drug administration (MDA). The co distribution of Loa loa in Central Africa poses a significant barrier to the expansion of the MDA due to risk of severe adverse events (SAEs) associated with the drug ivermectin that is routinely used. National LF programmes are yet to significantly scale up in co-endemic areas and need a practical approach to make preliminary decisions based on the mapping status and potential treatment strategies. Methods: We reviewed relevant data available to WHO and in the literature for LF-L. loa endemic countries to develop a simple method to support the scale-up of MDA to eliminate LF. Results: A basic model for national LF programmes to work from at the administrative or implementation unit (IU) level has been developed for LF - L. loa co-endemic countries. The model includes five practical steps, which comprise the development of a national filarial database and a simple classification system to help determine the mapping status and most appropriate treatment strategy. Steps are colour-coded and linked to a general decision tree, which is also presented. Conclusions: This IU-level model is simple to follow and will help LF elimination programmes develop an action plan and scale up the implementation of alternative treatment strategies in L. loa co endemic areas. The model could be further developed to incorporate the additional complexity of IUs where an intervention is required to eliminate onchocerciasis, particularly in hypo-endemic areas where ivermectin has not been used. PMID- 29202082 TI - Assessment of the availability and rationality of unregistered fixed dose drug combinations in Nepal: a multicenter cross-sectional study. AB - Background: The medications that are registered and available in a country are meant for the prevention and treatment of ailments and diseases. However, a lack of effective regulatory bodies and operative control mechanisms, especially in developing countries, promotes irrational and inappropriate use of medicines. This study aims to evaluate the availability and rationality of unregistered fixed-dose drug combinations (FDCs) in Nepal. Methods: A snowball sampling method with visits to 20 retail pharmacies in each of five major cities in Nepal was used to assess the availability of unregistered FDCs. To justify the rationality of the FDCs obtained from these five cities, the toolkit developed by Health Action International Asia-Pacific (HAI-AP) was used. Results: Altogether, 41 unregistered FDCs were obtained from the five cities. Among the total 41 FDCs, a majority were anti-inflammatory/analgesic/antipyretics. A maximum of eight drugs and a minimum of two drugs per combination were present among the total 41 FDCs, with a majority in the form of tablets followed by suspensions. The cost ranges from a minimum of 3.7 Nepalese Rupees (NRs) (= USD 0.05) to a maximum of 240 NRs (= USD 3.15). None of the FDCs fulfilled all the fundamental requirements as stated in the toolkit; thus, they were categorized as 'irrational'. Conclusions: Unregistered FDCs are available in the Nepalese pharmaceutical market. All the unregistered FDCs found in our study were 'irrational' as per the HAI-AP toolkit. Regulatory authorities should initiate strict monitoring and appropriate regulatory mechanisms to prohibit the use of unregistered and irrational FDCs. PMID- 29202081 TI - Phylodynamic applications in 21st century global infectious disease research. AB - Background: Phylodynamics, the study of the interaction between epidemiological and pathogen evolutionary processes within and among populations, was originally defined in the context of rapidly evolving viruses and used to characterize transmission dynamics. The concept of phylodynamics has evolved since the early 21st century, extending its reach to slower-evolving pathogens, including bacteria and fungi, and to the identification of influential factors in disease spread and pathogen population dynamics. Results: The phylodynamic approach has now become a fundamental building block for the development of comparative phylogenetic tools capable of incorporating epidemiological surveillance data with molecular sequences into a single statistical framework. These innovative tools have greatly enhanced scientific investigations of the temporal and geographical origins, evolutionary history, and ecological risk factors associated with the growth and spread of viruses such as human immunodeficiency virus (HIV), Zika, and dengue and bacteria such as Methicillin-resistant Staphylococcus aureus. Conclusions: Capitalizing on an extensive review of the literature, we discuss the evolution of the field of infectious disease epidemiology and recent accomplishments, highlighting the advancements in phylodynamics, as well as the challenges and limitations currently facing researchers studying emerging pathogen epidemics across the globe. PMID- 29202083 TI - Escaping from poverty trap: a choice between government transfer payments and public services. AB - Background: Anti-poverty has always been an important issue to be settled. What policies should be selected to help individuals escaping from the poverty trap: by directly offering transfer payments or indirectly providing public services? This paper is among the first to explore the effects of public anti-poverty programs system in China. Methods: We Using unbalanced panel data of China Health and Nutrition Survey (CHNS) from 1989 to 2009, we demonstrate how the individual poverty status is determined through a four-staged simultaneous model. We choose the 3SLS (Three Staged Linear Squared) methodology to do the estimation. Results: GTPs (Government Transfer Payments) don't have positive effects on poverty reductions. The results demonstrate that GTPs increasing by 10% makes private transfer payments decrease by 3.9%. Meanwhile, GTPs increasing by 10% makes the household income decreased by 27.1%. However, public services (such as medical insurance, health services, hygiene protection etc.) have significantly positive impacts on poverty reduction. Public services share a part of living cost of the poor, and are conducive for people to gain higher household income. Conclusions: GTPs given by governments are not effective in reducing the poverty, as a result of "crowd-out effect" and "inductive effect". However, public services are suggested to be adopted by governments to help the poor out of the poverty trap. PMID- 29202084 TI - The market for reproductive tourism: an analysis with special reference to Greece. AB - Background: For many people, the need for parenthood remains unfulfilled due to biological reasons and a remedy for these individuals is assisted reproduction (AR). Because of widely differing and sometimes incompatible legislations around the world related to AR, there is considerable confusion across national borders. Within Europe, Greece seems to be in a comparatively favorable position because of lower restrictions and the availability of decent quality specialized medical facilities. This research is a market study with a business perspective and explores the emerging landscape of reproductive tourism (RT) in Greece. Methods: The research adopted mixed methods. First, open-ended questions were used to interview foreign medical tourists and staff in various AR clinics. Based on the insights from these interviews and guided by the extent literature, a survey instrument was prepared and administered among 130 patients. Results: Findings indicate that Greece still lack policies that nurture transparency and dynamic response to technological changes in AR. Also, the travel industry lack specialists who can effectively liaison with clinics, who understand the availability of AR technologies, regulations, and the unique needs of AR tourists. Conclusions: Globally, the need for assisted reproduction has tremendously increased; yet, the supply of facilities is lagging far behind. There is a unique advantage for clinics located in touristic locations in countries that offer cheaper treatment options. Given the shape of its debt ridden economy, Greece needs foreign exchange inflows and gaining first mover advantage in reproductive tourism is probably an important way to achieve this. This research draws up a reproductive tourism strategy for Greece. PMID- 29202085 TI - Body weight misperception and psychological distress among young South Korean adults: the role of physical activity. AB - Background: Emerging evidence suggests that body weight misperception may be associated with psychological distress among people in developed countries. Participating in physical activity (PA) may negate the association between weight misperception and psychological distress given the well-known benefits of PA on psychological health. This study examined the role of PA in associations between body weight misperception and psychological distress among young South Korean adults. Methods: Data from individuals aged 20 to 39 years who participated in the Fifth Korean National Health and Nutrition Examination Surveys 2010-2012 (N = 6055) was included in the logistic regressions. Results: The proportions of the respondents under- and over-perceiving their body weight were 66.9% and 0.8% among men and 16.3% and 15.6% among women respectively. A moderating effect of PA participation was observed on the relationship between body weight over perception and depressed mood (Odds Ratio [OR] = 0.55; 95% Confidence Intervals [95% CI] = 0.34, 0.89). Among individuals who did not meet the recommended vigorous-intensity PA (>= 20 min/session and >= 3 day/week), body weight over perception was associated with depressed mood (OR = 1.71, 95% CI = 1.19, 2.46) compared to the accurate-perception group. However, no association was observed among those who met the recommended vigorous-intensity PA (OR = 1.52, 95% CI = 0.45, 5.22). Similar patterns were found among physically active versus inactive individuals (recommended walking not met: OR = 2.02, 95% CI = 1.29, 3.15; recommended walking met: OR = 1.28, 95% CI = 0.66, 2.49; muscular strengthening exercises for < 2 day/week: OR = 1.74, 95% CI = 1.21, 2.51; muscular strengthening exercises for >= 2 day/week: OR = 1.38, 95% CI = 0.37, 5.14). No relationship existed between body weight over-perception and depressed mood after adjusting for PA. Conclusions: Participating in regular PA may buffer a potential negative impact of body weight over-perception on depressive mood. PMID- 29202086 TI - Strategies and governance to reduce health inequalities: evidences from a cross European survey. AB - Background: The main objective of the paper is to identify the governance system related to policies to reduce health inequalities in the European regions. Considering the Action Spectrum of inequalities and the check list of health equity governance, we developed a survey in the framework of the AIR Project - Addressing Inequalities Intervention in Regions - was an European project funded by the Executive Agency of Health and Consumers. Methods: A web-based qualitative questionnaire was developed that collected information about practiced strategies to reduce health inequalities. In total 28 questionnaires from 28 different regions, related to 13countries, were suitable for the analysis. Results: Progress in health equity strategies at the national and regional levels has been made by countries such as France, Portugal, Poland, and Germany. On the other hand, Spain, Italy, and Belgium have a variable situation depending on the region. However, the results of the survey indicate that the governance system for health equity different in terms of commitment, resources and tools. Conclusions: The survey highlights a weakness of governance system for the majority of countries in terms of evaluation actions and of impact of interventions in reducing inequalities, and the difficulties in having a clear and integrated vision between the national and regional levels. PMID- 29202087 TI - Factors influencing the tobacco control policy process in Egypt and Iran: a scoping review. AB - Introduction: Tobacco control policy is essential for addressing the growing tobacco consumption seen in the Eastern Mediterranean Region, the single greatest preventable contributor to the non-communicable disease epidemic. Egypt and Iran have had varied success in using policy to combat this issue. The study aims to identify and compare the factors which have influenced different stages of the policy process - evidence generation, development and implementation. Methods: A scoping review was conducted with a systematic search of 7 databases which was conducted along with searches of Google Scholar, and the World Health Organisation and Eastern Mediterranean Regional Office websites to identify influencing factors at each stage of the policy process. Results: Twenty-seven relevant articles were identified from the literature search. Factors identified as influencing tobacco control policy in these countries were lobbying by the tobacco industry, the rise of water-pipe smoking, lack of political commitment and the lack of resources to for policy implementation. Iran was found to be leading Egypt on all three areas of the policy process. Implementation was found to be the most pivotal part of the policy process and the area in which Egypt was weakest compared to Iran. Conclusion: This study addresses a gap in knowledge concerning tobacco control in the Middle East and has identified multiple factors which are potentially slowing the process of enforcing policy to address tobacco consumption. Iran is the regional leader for tobacco control and it is important for Egypt to assess the transferability of its tactics and immediately start implementing measures to control tobacco use. PMID- 29202089 TI - The role of risk perception in willingness to respond to the 2014-2016 West African Ebola outbreak: a qualitative study of international health care workers. AB - Background: The 2014-2016 West Africa Ebola Virus Disease (EVD) outbreak was an unprecedented public health event, and in addition to claiming over 11,000 lives, it resulted in the deaths of more healthcare workers than any outbreak in recent history. While a cadre of willing and able health workers is essential for an effective epidemic response, health workforce capacity in times of crisis may be significantly impacted by how risks are perceived by health staff. This study aimed to explore how risk perceptions influenced healthcare workers' willingness to respond during this outbreak. Methods: Through in-depth interviews with 11 front-line international health care workers who chose to respond to the West Africa outbreak, this qualitative study explores how perceptions of risk developed and subsequently mediated the decision to respond to the outbreak. Data was thematically organized using NVivo 10. Results: We found that numerous individual and social-level factors played a role in modifying risk perception in health workers. Institutional trust emerged as a key risk attenuator, as did past experience, self-efficacy, duty of care, humanitarian ethos, and cognitive heuristics. Feelings of risk were amplified by infections of co-workers, and risk perceptions of family members and the public, which were mainly informed by media reports, also hampered willingness to respond in some cases. Conclusions: Understanding the risk perceptions of health workers, institutions, and the public, while complex and interdependent, are each crucial to understand for an effective public health response to epidemics, and as such should be taken into consideration in future program planning and research. PMID- 29202088 TI - "If we are waiting for the numbers alone, we will miss the point": a qualitative study of the perceived rise of food allergy and associated risk factors in the Greater Accra Region, Ghana. AB - Background: Globally, food allergy [FA] is considered a growing health epidemic. While much of what is known comes from developed countries, there is growing interest in the epidemiology of FA in developing regions such as sub-Saharan Africa. Indeed, researchers are beginning to document the incidence and prevalence of FA and sensitization. The results outlined in this paper stem from an exploratory qualitative study examining the emergence of the health risk of FA in Ghana, a country undergoing epidemiologic changes. Methods: Between June and August, 2015, we conducted thirty-seven (37) semi-structured in-depth interviews. This comprised seventeen (17) healthcare workers across 12 public and private hospitals and twenty (20) individuals with FA and families with allergic children. All interviews were recorded and transcribed verbatim. Transcripts were analyzed to develop thematic areas that characterize perceptions and experiences around FA. Results: Three key broad themes arise from this study. First, FA is an emerging health risk, whose incidence is perceived to be increasing. Second, participants expressed mixed perceptions about the public health burden of FA. Third, participants identified individual and societal factors that may be influencing FA risks and susceptibility. Conclusion: Our research suggests FA is a growing but unrecognized public health concern. There is the need for health policies and researchers to consider the full extent of ongoing epidemiologic changes for the health of populations in developing regions. PMID- 29202090 TI - Joint spatial modelling of disease risk using multiple sources: an application on HIV prevalence from antenatal sentinel and demographic and health surveys in Namibia. AB - Background: In disease mapping field, researchers often encounter data from multiple sources. Such data are fraught with challenges such as lack of a representative sample, often incomplete and most of which may have measurement errors, and may be spatially and temporally misaligned. This paper presents a joint model in the effort to deal with the sampling bias and misalignment. Methods: A joint (bivariate) spatial model was applied to estimate HIV prevalence using two sources: 2014 National HIV Sentinel survey (NHSS) among pregnant women aged 15-49 years attending antenatal care (ANC) and the 2013 Namibia Demographic and Health Surveys (NDHS). Results: Findings revealed that health districts and constituencies in the northern part of Namibia were found to be highly associated with HIV infection. Also, the study showed that place of residence, gender, gravida, marital status, number of kids dead, wealth index, education, and condom use were significantly associated with HIV infection in Namibia. Conclusion: This study had shown determinants of HIV infection in Namibia and had revealed areas at high risk through HIV prevalence mapping. Moreover, a joint modelling approach was used in order to deal with spatially misaligned data. Finally, it was shown that prediction of HIV prevalence using the NDHS data source can be enhanced by jointly modelling other HIV data such as NHSS data. These findings would help Namibia to tailor national intervention strategies for specific regions and groups of population. PMID- 29202092 TI - China's engagement with development assistance for health in Africa. AB - Background: As an emerging donor in health related development across the world, particularly towards Africa, the People's Republic of China (PRC) has been increasing its influence within the field of global public health over the past few decades. Yet between the period of 2000 and 2013, little is known about the scope, scale and priority of China's grant-making programs. Methods: Based on data sourced from the China Aid Database (version-1.2), descriptive analyses were applied to analyze the features of 531 health related projects that were undertaken between 2000 and 2013. Spearmen correlation was also performed to assess the relationship between China's export and aid to recipient countries. Results: The total value of China's grant-making programs in the health related sector between 2000 and 2013 was 5.67 billion USD, with 531 projects undertaken. During the five year period between 2004 and 2008, China had a contribution of 1.54 billion USD, which increased to 3.8 billion USD during the five year period between 2009 and 2013 - an 146.26% increase. In terms of specific diseases, China is most concerned with building an African public health system through donations targeted towards general health (313 projects), combating Malaria (115 projects) and maternal, neonatal and child health (MNCH), (12 projects). When it comes to recipient countries, if counted in total value, Zimbabwe received the most financial assistance from China, totaling 1.08 billion USD and 19 projects, while Angola and Tanzania received more projects - 30 and 29 projects respectively. In terms of the channeling of aid funding, most projects were targeted towards infrastructure, equipment and medicine (304 projects in total), followed by medical teams (189 projects). Moreover, there is a statistically significant relationship between aid to Africa and Chinese exports to Africa. Conclusion: During the past decade, Chinese aid projects played an important role in the African public health system through providing funding for infrastructure, equipment and medicine, training health professionals, as well as disease treatment. However, very limited attention was paid towards disease prevention, health promotion and awareness initiatives, and health education. Furthermore, serious questions were raised regarding the long-term financial sustainability and actual impact these projects have on health development. PMID- 29202091 TI - Health financing policies in Sub-Saharan Africa: government ownership or donors' influence? A scoping review of policymaking processes. AB - Background: The rise on the international scene of advocacy for universal health coverage (UHC) was accompanied by the promotion of a variety of health financing policies. Major donors presented health insurance, user fee exemption, and results-based financing policies as relevant instruments for achieving UHC in Sub Saharan Africa. The "donor-driven" push for policies aiming at UHC raises concerns about governments' effective buy-in of such policies. Because the latter has implications on the success of such policies, we searched for evidence of government ownership of the policymaking process. Methods: We conducted a scoping review of the English and French literature from January 2001 to December 2015 on government ownership of decision-making on policies aiming at UHC in Sub-Saharan Africa. Thirty-five (35) results were retrieved. We extracted, synthesized and analyzed data in order to provide insights on ownership at five stages of the policymaking process: emergence, formulation, funding, implementation, and evaluation. Results: The majority of articles (24/35) showed mixed results (i.e. ownership was identified at one or more levels of policymaking process but not all) in terms of government ownership. Authors of only five papers provided evidence of ownership at all reviewed policymaking stages. When results demonstrated some lack of government ownership at any of the five stages, we noticed that donors did not necessarily play a role: other actors' involvement was contributing to undermining government-owned decision-making, such as the private sector. We also found evidence that both government ownership and donors' influence can successfully coexist. Discussion: Future research should look beyond indicators of government ownership, by analyzing historical factors behind the imbalance of power between the different actors during policy negotiations. There is a need to investigate how some national actors become policy champions and thereby influence policy formulation. In order to effectively achieve government ownership of financing policies aiming at UHC, we recommend strengthening the State's coordination and domestic funding mobilization roles, together with securing a higher involvement of governmental (both political and technical) actors by donors. PMID- 29202093 TI - Health status and health systems financing in the MENA region: roadmap to universal health coverage. AB - Background: Since the declaration of the Millennium Development Goals (MDGs) in 1990, many countries of the Middle East and North Africa (MENA) region made some improvements in maternal and child health and in tackling communicable diseases. The transition to the global agenda of Sustainable Development Goals brings new opportunities for countries to move forward toward achieving progress for better health, well-being, and universal health coverage. This study provides a profile of health status and health financing approaches in the MENA region and their implications on universal health coverage. Methods: Time-series data on socioeconomics, health expenditures, and health outcomes were extracted from databases and reports of the World Health Organization, the World Bank and the United Nations Development Program and analyzed using Stata 12 statistical software. Countries were grouped according to the World Bank income categories. Descriptive statistics, tables and charts were used to analyze temporal changes and compare the key variables with global averages. Results: Non-communicable diseases (NCDs) and injuries account for more than three quarters of the disability-adjusted life years in all but two lower middle-income countries (Sudan and Yemen). Prevalence of risk factors (raised blood glucose, raised blood pressure, obesity and smoking) is higher than global averages and counterparts by income group. Total health expenditure (THE) per capita in most of the countries falls short of global averages for countries under similar income category. Furthermore, growth rate of THE per capita has not kept pace with the growth rate of GDP per capita. Out-of-pocket spending (OOPS) in all but the high-income countries in the group exceeds the threshold for catastrophic spending implying that there is a high risk of households getting poorer as a result of paying for health care. Conclusion: The alarmingly high prevalence of NCDs and injuries and associated risk factors, health spending falling short of the GDP and GDP growth rate, and high OOPS pose serious challenges for universal health coverage. Using multi-sector interventions, countries should develop and implement evidence informed health system financing roadmaps to address these obstacles and move forward toward universal health coverage. PMID- 29202094 TI - The 'experimental public' in longitudinal health research: views of local leaders and service providers in rural South Africa. AB - Background: The concept of 'experimental public' has been recently applied to publics involved in clinical trials. This term could also be applied to publics involved in longitudinal research such as health and demographic surveillance systems. The ethics of practice and public engagement with these experimental publics are of key importance and include issues of informed consent, confidentiality, collection of body tissue samples and fair local benefit. Methods: Individual (n = 11) and focus group (n = 5) qualitative semi-structured interviews were conducted with 56 local leaders and service providers regarding their views about research activities in a longitudinal health research study site run by the MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt) in rural South Africa. Deductive and inductive thematic analysis was undertaken using NVivo software to identify the emergent themes. Results: There was an understanding of the usefulness of collecting demographic data, but reasons for gathering other contextual data such as on food security, as well as the reasons for collection of blood was less clear. While appreciation was expressed for feedback of individual results such as blood pressure levels during home-based data collection, there were requests for more results from biomarkers, and for these to be given at home, rather than at the clinic. There were reports of indirect refusals, and offers by leaders to assist in reducing refusal rates. There were concerns about confidentiality, especially in the publication of results. Some leaders would have liked to receive more individual level data for planning of services, although they understood this would breach confidentiality. Service providers were concerned about the withdrawal of some services post intervention trials. Conclusions: This experimental public has, over time, developed a nuanced understanding of the reasons for research and the procedures undertaken. Discussions concerning fair benefit ranged from requests for more individual clinically-relevant results for participants, to understanding how research results could assist in planning of public health services at local and national levels. The concerns illustrate the complexity of the ethics of practice which has implications for policy, practice and governance for those working in longitudinal health research sites globally. PMID- 29202095 TI - Anal sexual experience and HIV risk awareness among female sex workers in Dire Dawa, eastern Ethiopia. AB - Background: Female sex workers have been disproportionately affected with HIV and anal sexual experience elevate their vulnerability. Anal intercourse has more risk of HIV transmission than vaginal intercourse for receptors that coupled with low condom and proper lubricant use behavior during anal sex. Besides majority of them did not understand HIV transmission risk of anal intercourse. In Ethiopia, studies on anal sexual experience is almost none existent, so the purpose of this study is to explored anal sexual experience and HIV transmission risk awareness among female sex worker in Dire Dawa, Eastern Ethiopia. Method: Qualitative study with thematic analysis approach was conducted among 18 female sex workers and recruitment of study participants performed until saturation of information. The principal investigator conducted in-depth interviews using local language (Amharic) and it was recorded on audio recorder. Tape recorded data was transcribed and translated to English and entered into open code version 3.4 for coding and theme identification. Data collection conducted simultaneously with data analysis. Result: Female sex workers practiced anal sex for different themes like financial influence, coercion, intentionally, peer pressure and as a sign of intimacy and love. Coercion, negative attitudes, poor awareness about HIV transmission risks of anal sex and protection capacity of condom and proper lubricants are the identified themes for not using condom and proper lubricants during anal sex by female sex workers. Inaccessibility and unavailability of health services for issues related to anal sex was the core reason for female sex workers' misperception and risk anal sexual experience. Conclusion: Female sex workers practiced anal sex without risk reduction approaches and they did not understand exacerbated risk of anal sex to HIV transmission. Stakeholders including ministry of health need to incorporate potential awareness raising tasks and programs about risk of anal sex and methods of risk reduction for female sex workers. PMID- 29202096 TI - Trafficking of Vietnamese women and girls for marriage in China. AB - Background: Bride-trafficking has been a growing phenomenon in Southeast Asia, particularly in China, where one-child policies have resulted in demographic imbalances favoring males. Yet, empirical evidence about women and girls sold into marriage in China remains sparse. Methods: This study describes the experiences of 51 Vietnamese women and girls as young as 14 in post-trafficking services who were sold into marriage in China. A consecutive sample of individuals from five services in Vietnam were invited to be interviewed within the first 2 weeks of admission. It is part of a wider dataset for research on the health of men, women, and children in post-trafficking services in Cambodia, Thailand, and Vietnam, the largest study to date on human trafficking and health. We calculated proportions for all variables and conducted bivariate analyses using Fisher Exact Tests for their associations with mental health disorders symptoms. Results: Before leaving home, 31% (n = 15) participants were married. Participants reported high levels of sexual violence (n = 43; 86%) while trafficked and59% (n = 30) spent time in detention before returning to Vietnam. Once in post-trafficking care 52.9% (n = 27) reported probable depression, anxiety or post-traumatic stress disorders (PTSD), two women (4%) attempted suicide in the past month and 38 (75%) remained afraid of their trafficker. Ten (22%) became pregnant while trafficked, and seven (16%) were pregnant at the interview. Conclusions: The cross-border bride trade between Vietnam and China raises complex policy issues, including questions about detention and immigration rights and strategies for supported return processes, including maternal and child health services. As the repercussions of China's absent female population will persist, Vietnam and China must grapple with the political and social conditions to implement prevention strategies, and resources for women who fall prey to this cross-border bride trade. PMID- 29202097 TI - Targeted community based interventions improved malaria management competencies in rural Ghana. AB - Background: Malaria is one of the most challenging public health concerns in the developing world. To address its impact in endemic regions, several interventions are implemented by stakeholders. The Affordable Medicine Facility-malaria (AMFm) is an example of such interventions. Its activities include communication interventions to enhance the knowledge of caregivers of children under five years, licensed chemical sellers (LCS) and prescribers on malaria management with artemisinin-based combination therapy (ACT). This study was conducted to evaluate the effectiveness of the AMFm activities on malaria among targeted groups in two rural communities in Ghana. Methods: A communication intervention study was conducted in the Asante-Akim North and South Districts of Ghana. Repeated cross sectional pre and post surveys were deployed. Relevant malaria messages were designed and used to develop the information, education and communication (IEC) tools for the intervention. With the aid of posters and flipcharts developed by our study, community health workers (CHWs), prescribers, and licenced chemical sellers provided proper counselling to clients on malaria management. Trained CHWs and community based volunteers educated caregivers of children under five years on malaria management at their homes and at public gatherings such as churches, mosques, schools. Chi-square tests and logistic regression were run to determine associations and control for demographic differences respectively. Results: There was significantly high exposure to malaria/ACT interventions in the intervention district than in the comparison district (OR = 16.02; 95% CI = 7.88-32.55) and same for malaria/ACT-related knowledge (OR = 3.63; 95% CI = 2.52 5.23). The participants in the intervention district were also more knowledgeable about correct administration of dispersible drug for children <5 years than their counterparts in the unexposed district. Conclusion: Our data show that targeted interventions improve malaria based competences in rural community settings. The availability of subsidized ACTs and the intensity of the communication campaigns contributed to the AMFm-related awareness, improved knowledge on malaria/ACTs and management practices. PMID- 29202098 TI - Qatar steps up to Global Health security: a reflection on the joint external evaluation, 2016. AB - Since the commencement of the International Health Regulations in 2007, global public health security has been faced with numerous emerging and ongoing events. Moreover, the Joint External Evaluation is a voluntary tool developed in compliance with the Global Health Security Agenda that represents the high responsibility of international health community towards the increased incidence of emerging and re-emerging diseases. Against this background, between 29th May and 2nd June 2016, a team of World Health Organization consultants arrived to the State of Qatar to assess, in collaboration with national experts, the country's capacity to prevent, detect, and rapidly respond to threats of public health aspect. They identified areas of strength, weakness, and recommendations for improving national health security of Qatar in anticipation of the 2022 FIFA World Cup event. Qatar has demonstrated a leading role in the region through its commitment to International Health Regulations (2005) and population health. Similarly, the Qatar was the first Arab state and seventh volunteering country globally to undergo the Joint External evaluation process. In this review, we highlighted Qatar's achievements and shortcomings of International Health Regulations' core capacities to inform healthcare professionals and the scientific community about the country's contribution toward global health security. PMID- 29202099 TI - Predictors and consequences of rural clients' satisfaction level in the district public-private mixed health system of Bangladesh. AB - Background: We investigated predictors of the rural clients' satisfaction level (CSL), and interlinks between perceived specific service quality (PSSQ), perceived utility value (PUV), CSL, and clients' reactions (CR) towards current and future utilization of providers and facilities in the public-private mixed health system of Bangladesh. Methods: A quantitative study using interviewer administered questionnaire was conducted among 400 rural patients. CSL was measured both directly and indirectly. Clients' opinions of PSSQ relating to healthcare structure and process features were measured for indirectly assessing their satisfaction. PUV and CR were also measured indirectly. 5-point Likert scales were used to measure PSSQ, PUV, CSL and CR. Multiple regression and mediation were the models. Results: Clients' satisfaction was low in both health sectors with significantly lower in the public than private sector. Accessibility (financial) predicted commonly high variations in CSL both in the public (18.2%) and private sectors (25.0%). Availability predicted incomparably highest variations in CSL in the public sector (34.6%). Structural factors predicted higher variations in clients' satisfaction in the public sector, which in the private sector were service process-features. Clients' reaction was the ultimate outcome of PSSQ mediated through PUV and CSL. PUV mediated the effects of PSSQ on clients' reaction stronger than CSL. Conclusion: Financial accessibility is a crucial risk of impoverishment in both public and private sectors. Both structural and process features of healthcare are in ample needs for addressing existing low satisfaction in patients in rural Bangladesh. PMID- 29202100 TI - Immediate assessment of performance of medical laboratory scientists following a 10-day malaria microscopy training programme in Nigeria. AB - Background: Rapid and precise diagnosis of malaria is an essential element in effective case management and control of malaria. Malaria microscopy is used as the gold standard for malaria diagnosis, however results remain poor as positivity rate in Nigeria is consistently over 90%. The United States President's Malaria Initiative (PMI) through the Malaria Action Program for States (MAPS) supported selected states in Nigeria to build capacity for malaria microscopy. This study demonstrates the effectiveness of in-service training on malaria microscopy amongst medical laboratory scientists. Method: The training was based on the World Health Organization (WHO) basic microscopy training manual. The 10-day training utilized a series of didactic lectures and examination of teaching slides using a CX 21 Olympus binocular microscope. All 108 medical laboratory scientists trained from 2012 to 2015 across five states in Nigeria supported by PMI were included in the study. Evaluation of the training using a pre-and post-test method was based on written test questions; reading photographic slide images of malaria parasites; and prepared slides. Result: There was a significant improvement in the mean written pre-and post-tests scores from 37.9% (95% CI 36.2-39.6%) to 70.7% (95% CI 68.4-73.1%) (p < 0.001). The mean counting post-test score improved significantly from 4.2% (95% CI 2.6-5.7%) to 27.9% (95% CI 25.3-30.5%) (p < 0.001). Mean post-test score for computer-based picture speciation test (63.0%) and picture detection test (89.2%) were significantly higher than the mean post-test score for slide reading speciation test (38.3%) and slide reading detection test (70.7%), p < 0.001 in both cases. Conclusion: Parasite detection and speciation using enhanced visual imaging was significantly improved compared with using direct microscopy. Regular in-service training and provision of functional and high resolution microscopes are needed to ensure quality routine malaria microscopy. PMID- 29202101 TI - Review on the prevalence of diabetes and risk factors and situation of disease management in floating population in China. AB - Objective: To give a comprehensive and basic understanding of diabetes and its risk factors in floating people in China. Method: We use "(diabetes or type 2 diabetes or chronic disease) and (floating population or employed floating population)" as the key words to search in the China academic literature database (CNKI), Wan Fang database, PubMed and Web of Science for relevant literature and extract the data about the prevalence of diabetes, relevant risk factors and disease management of the floating population in China. Result: Twenty-one literatures are entered into analysis finally, one is English and the rest are Chinese. According to the national survey, the prevalence rate of diabetes in floating population in China was 5. 1% (95%CI, 4.9% - 5.3%), which is lower than that of the general population(11.6%,95%CI, 11.3%-11.8%),and is consistent with the results of the local surveys. The comparison result between the prevalence of floating population and that of local population in each region differs in local surveys. In addition, the prevalence of male floating population is lower than that of the female population. Finally, as the age of the population rises, so does the prevalence of diabetes. As for the risk factors of chronical diseases, the overweight rate in every region is similar but the obesity rate differs in different regions (Ningxia,26.0%;Xiangshan,14.0%), and the obesity rate of the floating population is less than half of that of the general people(4.7%,11.9%). The awareness rate, treatment rate and control rate in the floating patients differ in the regional researches, but they all can't meet the goals set by the local health departments. Conclusion: Compared with the general population, the prevalence of diabetes in the floating population are lower. However, Considering the growing population number and the poor disease management of the floating patients, the potential threat brought by the diabetes in floating population is imponderable. The government should establish the national surveillance system of diabetes for the floating population, strengthen the construction of the primary medical institutions, and optimize the existing funding system. PMID- 29202102 TI - Combinatorial treatment with natural compounds in prostate cancer inhibits prostate tumor growth and leads to key modulations of cancer cell metabolism. AB - High-throughput screening of a natural compound library was performed to identify the most efficacious combinatorial treatment on prostate cancer. Ursolic acid, curcumin and resveratrol were selected for further analyses and administered in vivo via the diet, either alone or in combination, in a mouse allograft model of prostate cancer. All possible combinations of these natural compounds produced synergistic effects on tumor size and weight, as predicted in the screens. A subsequent untargeted metabolomics and metabolic flux analysis using isotopically labeled glutamine indicated that the compound combinations modulated glutamine metabolism. In addition, ASCT2 levels and STAT3, mTORC1 and AMPK activity were modulated to a greater extent by the combinations compared to the individual compounds. Overall, this approach can be useful for identifying synergistic combinations of natural compounds for chemopreventive and therapeutic interventions. PMID- 29202103 TI - Early changes in glioblastoma metabolism measured by MR spectroscopic imaging during combination of anti-angiogenic cediranib and chemoradiation therapy are associated with survival. AB - Precise assessment of treatment response in glioblastoma during combined anti angiogenic and chemoradiation remains a challenge. In particular, early detection of treatment response by standard anatomical imaging is confounded by pseudo response or pseudo-progression. Metabolic changes may be more specific for tumor physiology and less confounded by changes in blood-brain barrier permeability. We hypothesize that metabolic changes probed by magnetic resonance spectroscopic imaging can stratify patient response early during combination therapy. We performed a prospective longitudinal imaging study in newly diagnosed glioblastoma patients enrolled in a phase II clinical trial of the pan-vascular endothelial growth factor receptor inhibitor cediranib in combination with standard fractionated radiation and temozolomide (chemoradiation). Forty patients were imaged weekly during therapy with an imaging protocol that included magnetic resonance spectroscopic imaging, perfusion magnetic resonance imaging, and anatomical magnetic resonance imaging. Data were analyzed using receiver operator characteristics, Cox proportional hazards model, and Kaplan-Meier survival plots. We observed that the ratio of total choline to healthy creatine after 1 month of treatment was significantly associated with overall survival, and provided as single parameter: (1) the largest area under curve (0.859) in receiver operator characteristics, (2) the highest hazard ratio (HR = 85.85, P = 0.006) in Cox proportional hazards model, (3) the largest separation (P = 0.004) in Kaplan Meier survival plots. An inverse correlation was observed between total choline/healthy creatine and cerebral blood flow, but no significant relation to tumor volumetrics was identified. Our results suggest that in vivo metabolic biomarkers obtained by magnetic resonance spectroscopic imaging may be an early indicator of response to anti-angiogenic therapy combined with standard chemoradiation in newly diagnosed glioblastoma. PMID- 29202104 TI - A Health Profile of Senior-Aged Women Veterans: A Latent Class Analysis of Condition Clusters. AB - Background and Objectives: This study characterizes the multiple morbidities experienced by senior-aged women Veterans so that the Veterans Health Administration (VHA) and other healthcare systems may be better prepared to meet the healthcare needs of this growing cohort. Research Design and Methods: Using the VHA's Corporate Data Warehouse (CDW), we conducted a retrospective observational study of the 38,597 female veteran patients who were at least sixty five years old and received care in the VHA during 2013 and 2014. We use a latent class analysis model to cluster diagnoses associated with inpatient and outpatient events over the years. Results: The senior-aged women Veterans are characterized by six major classes of disease clusters. We defined these classes as: Healthy (16.24% of the cohort); Ophthalmological Disorders (13.84%); Musculoskeletal Disorders (14.22%); At Risk for Cardiovascular Disease (37.53%); Diabetic with Comorbidities (9.05%); and Multimorbid (9.12%). The patterns and prevalence of these condition classes vary by race, age and marital status. Discussion and Implications: Each of the six clusters can be used to develop clinical practice guidelines that are appropriate for senior-aged women Veterans. Consistent with past literature, the most common conditions in this cohort are hypertension and hyperlipidemia; together they form the most common class, "At Risk of Cardiovascular Disease (CVD)". Results also show evidence of race-related disparities, with Blacks being more likely to be in the highest risk classes. Also, members of the cohort who are currently married having improved chances of being in the healthy class. And finally, we see a "healthy survivor" effect with the oldest women in our cohort having low overall rates of disease. PMID- 29202105 TI - Biophotonic markers of malignancy: Discriminating cancers using wavelength specific biophotons. AB - Early detection is a critically important factor when successfully diagnosing and treating cancer. Whereas contemporary molecular techniques are capable of identifying biomarkers associated with cancer, surgical interventions are required to biopsy tissue. The common imaging alternative, positron-emission tomography (PET), involves the use of nuclear material which poses some risks. Novel, non-invasive techniques to assess the degree to which tissues express malignant properties are now needed. Recent developments in biophoton research have made it possible to discriminate cancerous cells from normal cells both in vitro and in vivo. The current study expands upon a growing body of literature where we classified and characterized malignant and non-malignant cell types according to their biophotonic activity. Using wavelength-exclusion filters, we demonstrate that ratios between infrared and ultraviolet photon emissions differentiate cancer and non-cancer cell types. Further, we identified photon sources associated with three filters (420-nm, 620-nm., and 950-nm) which classified cancer and non-cancer cell types. The temporal increases in biophoton emission within these wavelength bandwidths is shown to be coupled with intrisitic biomolecular events using Cosic's resonant recognition model. Together, the findings suggest that the use of wavelength-exclusion filters in biophotonic measurement can be employed to detect cancer in vitro. PMID- 29202106 TI - Proposing a new stroke-specific screening tool for depression: Examination of construct validity and reliability. AB - Objectives: The optimal tool for identifying depression after stroke is yet to be identified. In the present study, we propose a new context-specific screening tool for PSD and examined its construct validity and reliability within existing data on recent stroke survivors. Methods: We assessed baseline data being collected as part of an intervention to improve one-year blood pressure control among recent (<=one month) stroke survivors. Depression was measured using the Hospital Anxiety and Depression Scale (HADS-D). We also independently administered the 26-items Health Related Quality of Life in Stroke Patients (HRQOLISP-26), a stroke-specific measure developed from a large cross-cultural sample. Using standard protocol, we identified 6 psychoemotional-domain items of the HRQOLISP-26 fitting a single dimensional model with phenomenological and conceptual overlap with the depression framework in the 10th revision of the International Classification of Diseases (ICD-10). We examined construct validity by comparing HRQOLISP-E with the HADS-D, and known group validity by comparing with age, gender, and stroke severity using both the Pearson product moment coefficient and multivariate regression analyses. Internal consistency and split half reliability were also determined. Results: Each HRQOLISP-E item (r = -0.40 to -0.53, all p < 0.001), as well as the total HRQOLISP-E score (-0.53, p < 0.001) showed significant correlation with the HADS-D. The HRQOLISP-E scores also correlated significantly with age and stroke severity. Depression assessed using the HRQOLIPS-E was independently associated with older age and stroke severity. All HRQOLISP-E items scale correlations were> 0.8 (0.81-0.93) compared with 0.56 0.68 for the HADS-D (Cronbach's alpha =0.939, versus 0.742 for the HADS-D, Split half reliability = 0.899, versus 0.739 for HADS-D). Conclusion: These results provides preliminary support for further development of the HRQOLISP-E as a context-specific screening tool for PSD through an investigation comparing the proposed measure against a referent-standard clinical diagnostic criteria such as the ICD 10 or Diagnostic and Statistical Manual of Fourth Edition of the Diagnostic and Statistical Manual of Mental Disorders. PMID- 29202107 TI - A multi-level spatial analysis of clinical malaria and subclinical Plasmodium infections in Pailin Province, Cambodia. AB - Background: The malaria burden is decreasing throughout the Greater Mekong Subregion, however transmission persists in some areas. Human movement, subclinical infections and complicated transmission patterns contribute to the persistence of malaria. This research describes the micro-geographical epidemiology of both clinical malaria and subclinical Plasmodium infections in three villages in Western Cambodia. Methods: Three villages in Western Cambodia were selected for the study based on high reported Plasmodium falciparum incidence. A census was conducted at the beginning of the study, including demographic information and travel history. The total population was 1766. Cross sectional surveys were conducted every three months from June 2013 to June 2014. Plasmodium infections were detected using an ultra-sensitive, high-volume, quantitative polymerase chain reaction (uPCR) technique. Clinical episodes were recorded by village health workers. The geographic coordinates (latitude and longitude) were collected for all houses and all participants were linked to their respective houses using a demographic surveillance system. Written informed consent was obtained from all participants. Results: Most clinical episodes and subclinical infections occurred within a single study village. Clinical Plasmodium vivax episodes clustered spatially in each village but only lasted for a month. In one study village subclinical infections clustered in geographic proximity to clusters of clinical episodes. The largest risk factor for clinical P. falciparum episodes was living in a house where another clinical P. falciparum episode occurred (model adjusted odds ratio (AOR): 6.9; CI: 2.3-19. 8). Subclinical infections of both P. vivax and P. falciparum were associated with clinical episodes of the same species (AOR: 5.8; CI: 1.5-19.7 for P. falciparum and AOR: 14.6; CI: 8.6-25.2 for P. vivax) and self-reported overnight visits to forested areas (AOR = 3.8; CI: 1.8-7. 7 for P. falciparum and AOR = 2.9; CI: 1.7 4.8 for P. vivax). Discussion: Spatial clustering within the villages was transient, making the prediction of spatial clusters difficult. Interventions that are dependent on predicting spatial clusters (such as reactive case detection) would only have detected a small proportion of cases unless the entire village was screened within a limited time frame and with a highly sensitive diagnostic test. Subclinical infections may be acquired outside of the village (particularly in forested areas) and may play an important role in transmission. PMID- 29202108 TI - KRAS biomarker testing disparities in colorectal cancer patients in New Mexico. AB - Introduction: American Society of Clinical Oncology (ASCO) guidelines recommend that all patients with metastatic colorectal cancer (mCRC) receive KRAS testing to guide anti-EGFR monoclonal antibody treatment. The aim of this study was to assess for disparities in KRAS testing and mutational status. Methods: The New Mexico Tumor Registry (NMTR), a population-based cancer registry participating in the National Cancer Institute's Surveillance, Epidemiology and End Results program, was queried to identify all incident cases of CRC diagnosed among New Mexico residents from 2010 to 2013. Results: Six hundred thirty-seven patients were diagnosed with mCRC from 2010-2013. As expected, KRAS testing in Stage 4 patients presented the highest frequency (38.4%), though testing in stage 3 (8.5%), stage 2 (3.4%) and stage 1 (1.2%) was also observed. In those with metastatic disease, younger patients (<= 64 years) were more likely to have had testing than patients 65 years and older (p < 0.0001). Patients residing in urban areas received KRAS testing more often than patients living in rural areas (p = 0.019). No significant racial/ethnic disparities were observed (p = 0.66). No significant differences were seen by year of testing. Conclusion: Age and geographic disparities exist in the rates of KRAS testing, while sex, race/ethnicity and the year tested were not significantly associated with testing. Further study is required to assess the reasons for these disparities and continued suboptimal adherence to current ASCO KRAS testing guidelines. PMID- 29202109 TI - ylmD and ylmE genes are dispensable for growth, cross-wall formation and sporulation in Streptomyces venezuelae. AB - Streptomycetes are Gram-positive filamentous soil bacteria that grow by tip extension and branching, forming a network of multinucleoid hyphae. These bacteria also have an elaborate process of morphological differentiation, which involves the formation of an aerial mycelium that eventually undergoes extensive septation into chains of uninucleoid cells that further metamorphose into spores. The tubulin-like FtsZ protein is essential for this septation process. Most of the conserved cell division genes (including ftsZ) have been inactivated in Streptomyces without the anticipated lethality, based on studies of many other bacteria. However, there are still some genes of the Streptomyces division and cell wall (dcw) cluster that remain uncharacterized, the most notable example being the two conserved genes immediately adjacent to ftsZ (i.e. ylmDE). Here, for the first time, we made a ylmDE mutant in Streptomyces venezuelae and analysed it using epifluorescence microscopy, scanning electron microscopy (SEM) and atomic force microscopy (AFM). The mutant showed no significant effects on growth, cross-wall formation and sporulation in comparison to the wild type strain, which suggests that the ylmDE genes do not have an essential role in the Streptomyces cell division cycle (at least under the conditions of this study). PMID- 29202110 TI - Aberrant Temporal Connectivity in Persons at Clinical High Risk for Psychosis. AB - Background: Schizophrenia, a neurodevelopmental disorder, involves abnormalities in functional connectivity (FC) across distributed neural networks, which are thought to antedate the emergence of psychosis. In a cohort of adolescents and young adults at clinical high risk (CHR) for psychosis, we applied data-driven approaches to resting-state fMRI data so as to systematically characterize FC abnormalities during this period and determine whether these abnormalities are associated with psychosis risk and severity of psychotic symptoms. Methods: Fifty one CHR participants and 47 matched healthy controls (HCs) were included in our analyses. Twelve of these CHR participants developed psychosis within 3.9 years. We estimated one multivariate measure of FC and studied its relationship to CHR status, conversion to psychosis and positive symptom severity. Results: Multivariate analyses revealed between-group differences in whole-brain connectivity patterns of bilateral temporal areas, mostly affecting their functional connections to the thalamus. Further, more severe positive symptoms were associated with greater connectivity abnormalities in the anterior cingulate and frontal cortex. Conclusions: Our study demonstrates that the well-established FC abnormalities of the thalamus and temporal areas observed in schizophrenia are also present in the CHR period, with aberrant connectivity of the temporal cortex most associated with psychosis risk. PMID- 29202111 TI - The role of natural processes and surface energy of inhaled engineered nanoparticles on aggregation and corona formation. AB - The surface chemistry of engineered nanoparticles (ENPs) becomes more important as their size decreases and enters the nanometer-range. This review explains the fundamental properties of the surface chemistry of nanoparticles, and argues that their agglomeration and the formation of corona around them are natural processes that reduce surface energy. ENP agglomeration and surface corona formation are further discussed in the context of inhaled ENPs, as the lung is a major port of ENP entry to the body. The pulmonary surfactant layer, which the inhaled ENPs first encounter as they land on the lung surface, represents a unique environment with a variety of well-defined biomolecules. Many factors, such as hydrophobicity, surface charge of ENPs, protein/phospholipid concentrations of the alveolar lining fluid, etc. influence the complex processes of ENP agglomeration and corona formation in the alveolar lining fluid, and these events occur even before the ENPs reach the cells. We suggest that molecular dynamic simulations can represent a promising future direction for research of the behavior of inhaled ENPs, complementing the experimental approaches. Moreover, we want to remind biologists working on ENPs of the importance relationship between ENP surface energy and size. PMID- 29202113 TI - Ten Years HIV Free: An Interview with "The Berlin Patient," Timothy Ray Brown. PMID- 29202112 TI - Epigenetic effects of environmental chemicals: insights from zebrafish. AB - Zebrafish have been extensively used for studying vertebrate development and modeling human diseases such as cancer. In the last two decades, they have also emerged as an important model for developmental toxicology research and, more recently, for studying the developmental origins of health and disease (DOHaD). It is widely recognized that epigenetic mechanisms mediate the persistent effects of exposure to chemicals during sensitive windows of development. There is considerable interest in understanding the epigenetic mechanisms associated with DOHaD using zebrafish as a model system. This review summarizes our current knowledge on the effects of environmental chemicals on DNA methylation, histone modifications and noncoding RNAs in the context of DOHaD, and suggest some key considerations in designing experiments for characterizating the mechanisms of action. PMID- 29202114 TI - Dihydrosanguinarine Enhances Glucose Uptake in Mouse 3T3-L1 Cells. AB - Recently, more studies have aimed at identifying selective peroxisome proliferator-activated receptor gamma (PPARgamma) modulators that transactivate the expression of PPARgamma-dependent genes as partial agonists to improve diabetic symptoms with fewer side effects compared to classic PPARgamma agonists such as thiazolidinediones. We found that dihydrosanguinarine (DHS) treatment induced preadipocyte differentiation and lipid droplet accumulation in 3T3-L1 cells, but this effect is weaker than that elicited by the full PPARgamma agonist troglitazone. Furthermore, this effect was reduced by the addition of a PPARgamma antagonist, indicating the involvement of PPARgamma signaling. Our results suggest that the stimulatory effects of DHS on adipocyte differentiation and insulin sensitivity are mediated by suppressing adenosine monophosphate-activated protein kinase (AMPK) alpha, upregulating the expression of PPARgamma and its target genes (particularly Glut-4 and adiponectin) and reducing PPARgamma phosphorylation. DHS significantly enhanced the glucose uptake in 3T3-L1 adipocytes without observable cytotoxicity at the effective concentration (5 MUM) applied. PMID- 29202115 TI - Rapid changes in peripheral lymphocyte concentrations during interferon-free treatment of chronic hepatitis C virus infection. AB - : Treatment of chronic hepatitis C virus infection with direct acting antivirals results in a rapid decline in viral load and markers of hepatic inflammation, including serum CXCL10 concentration, which is followed in most cases by a sustained virologic response. Whether parallel changes of significance occur in the cellular composition of peripheral blood is relatively unknown. We hypothesized that longitudinal characterization of peripheral blood during treatment would provide insight into cellular migration and immune activation, which would have implications for understanding host immunity both before and after HCV treatment and may relate to HCV clearance. We analyzed longitudinal peripheral innate and adaptive immune cell populations by flow cytometry from 95 subjects enrolled in two direct acting antiviral clinical trials, and examined chemokine receptor expression on T-lymphocytes in 43 patients. Within 1-2 weeks of initiating treatment, significant increases were observed in the concentration of peripheral CD4+ and CD8+ T-lymphocytes, but not monocyte or natural killer cells. In tandem with these changes, the percent of both CD4+ and CD8+ T lymphocytes with an activated phenotype (HLA-DR+ and CD38+) decreased, and T lymphocyte surface expression of CXCR3, the chemokine receptor for CXCL10, increased. Conclusion: Rapid changes in peripheral cellular populations occur during DAA -treatment of HCV infection, which could potentially relate to hepatic efflux of tissue lymphocytes due to altered inflammation and chemokine receptor signaling, providing critical insight into the relationship between host immunity and viral clearance during hepatitis C virus infection. PMID- 29202117 TI - Association between intimate partner violence and mentally unhealthy days in women in the U.S. AB - Background: In the United States (U.S.), intimate partner violence (IPV) is a serious public health concern, mainly affecting the health and well-being of women. The objective of this study was to identify the IPV and socio-demographic factors associated with mentally unhealthy days among women in the U.S. of ages >=18 years. Methods: Data for this study were obtained from the 2007 Behavioral Risk Factor Surveillance System. Multivariable analyses were used to estimate adjusted odds ratios (AORs) and 95% confidence intervals (95% CIs) for factors associated with IPV and 14 or more mentally unhealthy days per month. Analyses were conducted using SAS 9.3. Results: The analyses show that the following factors increase the likelihood of self-reported 14 or more mentally unhealthy days: having a high school level of education or less (AOR: 1.732; 95% CI: 1.415 2.119) and having an income < $50,000. In addition, experiencing IPV such as: ever being threatened by a sex partner (AOR: 1.499; 95% CI: 1.264-1.779); having a sex partner ever attempt violence (AOR: 1.461; 95% CI: 1.224-1.743); having a sex partner ever become violent (AOR: 1.541; 95% CI: 1.303-1.823); and ever having unwanted sex with a partner (AOR: 1.929; 95% CI: 1.584-2.350) also increased the likelihood of self-reported 14 or more mentally unhealthy days per month. Conclusions: The results indicate that, for women in the U.S., IPV and socio-demographic factors have an effect on self-reported 14 or more mentally unhealthy days. Improving access to services that offer protection and guidance for women abused by their intimate partner could decrease the likelihood of selfreported 14 or more mentally unhealthy days and long-term negative mental health outcomes among women. PMID- 29202118 TI - Emergency Department Asthma Medication Delivery Program: An Initiative to Provide Discharge Prescriptions and Education. AB - Background: Prescription fill rates for children being discharged from the emergency department (ED) after asthma exacerbations are low, placing the child at risk for additional ED visits or admissions for asthma. This article describes the implementation of an ED asthma prescription delivery service designed to improve pharmacy prescription capture and decrease ED revisit rates. Methods: A core group developed a service to provide asthma prescriptions and education to patients in their ED room before discharge. The project assessed the percent of ED asthma patients who filled ED asthma prescriptions at the hospital outpatient pharmacy, 7-, 14-, and 30-day ED revisit rates, and patient satisfaction. Intervention: Patients/families who chose to participate in the service received asthma prescriptions and education at the ED bedside. Within 1-3 days, ED outreach nurses obtained patient satisfaction survey responses via telephone. Results: There was a statistically significant increase in the number of patients who filled ED asthma prescriptions at the hospital outpatient pharmacy (22.2% versus 33.8%; P < 0.0001). The decrease in 7-, 14-, or 30-day ED revisit rates for patients who received the medication delivery service compared with standard of care was not statistically significant. Patients were satisfied to very satisfied with the service. Conclusion: Postimplementation of a medication delivery program within the ED, there was an increase in the percentage of patients who filled ED asthma medication prescriptions at the hospital outpatient pharmacy. There was no difference in ED revisit rates for patients who enrolled in the prescription delivery service versus standard of care. PMID- 29202116 TI - Developmental corticosterone treatment does not program immune responses in zebra finches (Taeniopygia guttata). AB - Developmental conditions may impact the expression of immune traits throughout an individual's life. Early-life challenges may lead to immunological constraints that are mediated by endocrine-immune interactions. In particular, individual differences in the ability to mount immune responses may be programmed by exposure to stressors or glucocorticoid hormones during development. To test this hypothesis, we experimentally elevated levels of the glucocorticoid hormone corticosterone during the nestling and fledgling periods in captive zebra finches (Taeniopygia guttata). We subsequently challenged birds with the antigen lipopolysaccharide (LPS) on days 60 and 100 post-hatch to determine if developmental exposure to elevated corticosterone impacted the later response to LPS. As measures of immune function, we quantified bacteria killing ability, haptoglobin concentrations, and LPS-specific antibody responses at multiple time points. We also measured circulating corticosterone concentrations during the experimental period and on day 60 before and after endotoxin challenge. During the experimental period, corticosterone treatment elevated corticosterone levels. Corticosterone treatment did not induce programming effects on immune function or corticosterone production. Independent of treatment, individuals with higher corticosterone concentrations during the nestling period had lower bacteria killing ability on day 36 and higher baseline corticosterone concentrations on day 60 post-hatch. These results suggest a limited role for corticosterone exposure during early life to mediate immunological constraints later in life. Manipulation of cortisol may be necessary to conclusively determine if developmental glucocorticoid exposure can program immune function in birds. To determine if developmental stress can program the immune response, exposure to environmentally relevant stressors should also be manipulated. PMID- 29202119 TI - Enrichment of Retroviral Sequences in Brain Tissue from Patients with Severe Demyelinating Diseases. AB - Background: Our group has used deep sequencing to identify viral RNA signatures in human brain specimens. We have previously used this method to detect HSV1, GBV C, and measles virus sequence in brain tissue from deceased donors. Deep sequencing was performed on brain specimens from a cohort of patients who died with progressive forms of MS, revealing evidence of increased expression of some human endogenous retrovirus (HERV) domains. Objectives: Identify RNA sequences and new antigens involved in the pathogenesis of MS. Methods: Deep sequencing was performed on RNA extracted from 12 progressive MS, 2 neuromyelitis optica (MS/NMO = demyelination group), 14 normal control, and 7 other neurologic disease (OND) control frozen brain specimens. The resulting single-ended 50 bp sequences (reads) were compared to a non redundant viral database representing (NRVDB) all 1.2 M viral records in GenBank. A retroviral gene catalog (RVGC) was prepared by identifying human genetic loci (GRCh37.p13) homologous to domains contained in the Gypsy 2.0 retro element database. Reads were aligned to the RVGC and human transcriptome with Bowtie2. The resulting viral hit rates (VHRs) were normalized by the number of high quality reads. The expression of human genes, including HERVs, was determined using Cufflinks. Comparisons between the groups were performed using the false discovery rate. Results: Fifty to 131 million high quality reads per specimen were obtained. Comparison of the reads to the NRVDB suggested that the demyelination and OND specimens had higher VHRs against some retroviral sequences compared with the controls. This was confirmed by retroviral domain averaging. Gene expression analysis showed differential expression among some HERV sequences. Single read mapping revealed one envelope and one reverse transcriptase sequence record that were significantly enriched among the demyelination samples compared to the normal controls. Less restrictive (comprehensive) read mapping showed that 2 integrase, 2 core, 2 envelope, and 3 KRAB sequences that were overexpressed in the demyelination group. Conclusions: These data demonstrate that some endogenous retroviral sequences are significantly overexpressed in these demyelination brain tissue specimens, but the magnitude of this overexpression is small. This is consistent with the concept of HERV activation as a part of the innate immune response. PMID- 29202120 TI - Health Literacy Universal Precautions Are Still a Distant Dream: Analysis of U.S. Data on Health Literate Practices. AB - Background: Experts have recommended the adoption of health literacy universal precautions, whereby health care providers make all health information easier to understand, confirm everyone's comprehension, and reduce the difficulty of health related tasks. The U.S. Department of Health and Human Services selected three health literate practices to track progress in the adoption of health literacy universal precautions. Objectives: This study sought to examine whether there has been an increase in the delivery of health literate care and whether recommendations for health literacy universal precautions are being followed. Methods: This study used trend and multiple regression analyses of data from 2011 to 2014 from the Medical Expenditure Panel Survey, a national household survey. Key Results: The proportion of adults in the U.S. who reported receiving health literate care increased from 2011 to 2014, but fell far short of health literacy universal precautions recommendations of delivering health literate care to everyone. In 2014, 70% of the population reported their providers always gave them instructions that were easy to understand, but only 29% were asked to Teach Back the instructions and only 17% were offered help with forms. Older, less educated, and racial and ethnic minority group members were more likely to report receiving health literate care than more advantaged groups. People who perceived their health and mental health as fair or poor were less likely to report receiving health literate care. Conclusions: Failure to adopt health literacy universal precautions in the face of the high prevalence of limited health literacy in the general population may perpetuate adverse health outcomes that are costly to society. Greater efforts should be made to increase providers' health literacy skills, particularly those who serve populations that are more likely to have limited health literacy, including those with poor health. Plain Language Summary: This study shows that some health care providers did not always check that their instructions were clear enough for patients to understand. Even fewer providers always offered help in filling out forms. People who were older, less educated, or members of racial or ethnic minority groups were more likely to be asked to confirm their understanding or be offered help with forms. More patients said that their provider was easy to understand, checked their understanding, or offered help with forms in 2014 than in 2011. PMID- 29202121 TI - Low level of the plasma sphingolipid, glucosylceramide, is associated with thrombotic diseases. AB - Background: One previous pilot study suggested the association of low plasma glucosylceramide (GlcCer) levels with venous thrombosis (VTE) risk. Objective: We aimed to confirm and evaluate the association of low plasma GlcCer levels with VTE and myocardial infarction (MI) occurrence, respectively. Patients and Methods: We evaluated the association of GlcCer in two independent case-control studies of Caucasian VTE populations (N = 210 and 636) and one case-control study of Caucasian MI patients (N = 345). Result: Plasma GlcCer levels in VTE patients were lower compared to controls in two independent VTE populations (5.0 vs 5.8 MUg/mL, p = 0.003 for the Scripps registry, and 5.6 vs 6.0 MUg/mL, p = 0.001 for the Valencia registry, respectively). A low plasma GlcCer level (below 10th percentile of controls) was associated with increased VTE occurrence [odds ratio (OR) = 3.7 (95%CI, 1.8-7.9) for Scripps registry and OR = 2.1 (95%CI, 1.3-3.3) for Valencia registry, respectively). For the MI study, the median GlcCer plasma level was lower in MI patients than in controls (4.3 vs 5.6 MUg/mL, p<0.001), and a low level of GlcCer (below 10th percentile of control) was associated with higher MI occurrence [OR = 7.7, (95%CI, 4.3-13.8)]. Conclusion: Lower concentration of GlcCer was associated with VTE occurrence in two independent studies and also with MI occurrence in one study. PMID- 29202123 TI - Modern contraceptive methods utilization and associated factors among reproductive aged women in rural Dembia District, northwest Ethiopia: Community based cross-sectional study. AB - Background: Improving women's health through modern contraceptive methods utilization is the key strategy to prevent unwanted pregnancy and its complication. However, there was limited evidence on utilization of modern contraceptive methods in the study area. Objective: This study identified factors affecting utilization of modern contraceptive methods among women at reproductive age group in rural areas of Dembia district, 2015. Materials and Methods: Community based cross sectional study was conducted in 2015 in Dembia District. Multi-stage sampling technique was used to select a total of 616 study participants. Bivariate and multivariable logistic regression model was fitted to identify factors associated with modern contraceptive utilization. Odds ratio with 95% confidence interval (CI) was computed to determine the level of significance. Results: Modern contraceptive methods utilization was found to be 31.7% 95%CI (28.0-35.3). Age [Adjusted odds ratio (AOR): 1.94, (95%CI: 1.170 3.216)], women who has educated husband [AOR: 0.28, (95%CI: 0.117-0.666)], Marital status [AOR: 2.81, (95%CI: 1.344-5.855)] and Spousal announcement about family planning issues [AOR: 2.58, (95%CI: (1.276-5.202)] were factors associated with modern contraceptive methods utilization. Conclusion: Modern contraceptive methods utilization was found to be low. Providing educational opportunities, creating awareness about contraception and effective counseling would increase modern contraceptive methods utilization. PMID- 29202122 TI - Evaluation of vitamin D status and its correlation with oxidative stress markers in women with polycystic ovary syndrome. AB - Background: There is little evidence about antioxidant properties of vitamin D. Recent studies suggest that oxidative stress may play a major role in the pathophysiology of polycystic ovary syndrome (PCOS), but the association of vitamin D with oxidative stress is still not known in PCOS. Objective: The goal of the present study was to evaluate the correlation between serum 25-hydroxy vitamin D and oxidative stress markers in PCOS group compared to control group. Materials and Methods: 60 PCOS women (20-40 yr old) and 90 healthy women as control group were participated in this case-control study. Fasting serum level of 25(OH) D, glucose, insulin, calcium, malondialdehyde (MDA), protein carbonyl (PC), also homeostasis model assessment for insulin resistance (HOMA-IR) and fasting glucose to insulin ratio (FGIR) were measured. Results: It was found that the mean of serum 25(OH)D was lower in the PCOS group (10.76+/-4.17) than in the control group (12.07+/-6.26) but this difference was not statistically significant (p=0.125). Fasting insulin, HOMA-IR and MDA were significantly higher in the PCOS patients as compared to the controls, whereas PC level did not differ for the two groups (p=0.156). No significant correlations were found between 25(OH)D levels and oxidative stress markers (MDA and PC). Conclusion: The findings indicated no significant differences in the serum 25(OH)D levels between the PCOS patients and the matched controls. Also, no correlation was found between the serum vitamin D levels and oxidative stress markers in both groups. PMID- 29202124 TI - Combined protective effect of zinc oxide nanoparticles and melatonin on cyclophosphamide-induced toxicity in testicular histology and sperm parameters in adult Wistar rats. AB - Background: Cyclophosphamide (CP) has been known as an anticancer drug with several side effects on various organs such as a male reproductive system that can cause infertility. Objective: To evaluate the possible combined effects of zinc oxide nanoparticles (nZno) and melatonin (Mel) on sperm parameters and histopathological changes of the testis in CP-treated rats. Materials and Methods: 42 adult male Wistar rats were divided into six groups. GI: control, GII: 60 mg/kg/wk CP, GIII and GIV, 10 mg/kg/wk Mel and 5mg/kg/wk nZno and GV: 5 mg/kg/wk nZno and 10 mg/kg/wk Mel were given 2 hr prior to CP injection, respectively,GVI: 5mg/kg/wk nZno and 10 mg/kg/wk Mel simultaneously. After 8 wk of treatment, rats were sacrificed and testis and epididymis were harvested for further evaluation. Results: The CP-treated group showed significant decreases in the body, testes and epididymis weights and sperm parameters (sperm count, viability, motility) with an increase abnormal sperms when compared with the control (p<0.001), as well as many histological alterations included decreased diameters of seminiferous tubules and Johnsen's Testicular Score (with degeneration, desquamation, multi-nucleated giant cell formation), whereas combined treatment (GV), showed more protective effects on CP-induced reproductive system damage compared with groups III or IV (p<0.001). Conclusion: These results suggest simultaneous administration of Mel and nZno have more effectively protections against CP-induced reproductive damage than Mel or nZno alone. PMID- 29202125 TI - Gaussian Process Regression (GPR) Representation in Predictive Model Markup Language (PMML). AB - This paper describes Gaussian process regression (GPR) models presented in predictive model markup language (PMML). PMML is an extensible-markup-language (XML) -based standard language used to represent data-mining and predictive analytic models, as well as pre- and post-processed data. The previous PMML version, PMML 4.2, did not provide capabilities for representing probabilistic (stochastic) machine-learning algorithms that are widely used for constructing predictive models taking the associated uncertainties into consideration. The newly released PMML version 4.3, which includes the GPR model, provides new features: confidence bounds and distribution for the predictive estimations. Both features are needed to establish the foundation for uncertainty quantification analysis. Among various probabilistic machine-learning algorithms, GPR has been widely used for approximating a target function because of its capability of representing complex input and output relationships without predefining a set of basis functions, and predicting a target output with uncertainty quantification. GPR is being employed to various manufacturing data-analytics applications, which necessitates representing this model in a standardized form for easy and rapid employment. In this paper, we present a GPR model and its representation in PMML. Furthermore, we demonstrate a prototype using a real data set in the manufacturing domain. PMID- 29202126 TI - The Role of Sex Work Pay in Moderating the Effect of Mobile Phone Solicitation on Condom Practices: An Analysis of Female Sex Workers in India. AB - Mobile phones remain a largely untapped resource in the ongoing challenge to address Female Sex Worker (FSW) health, including HIV prevention services, in India. An important step towards designing effective mobile phone-based initiatives for FSWs is clarifying the contextual influences of mobile phone solicitation on sexual risk behavior. In this paper, we extend previously identified associations between mobile phone solicitation and condom practices by examining whether this association is moderated by sex work pay and offer key considerations for future research and implementation. Specifically, we conducted an analysis among 589 Indian FSWs, where FSWs who did not use mobile phones to solicit clients had the lowest mean sex work pay (INR 394/ USD 6.54) compared to FSWs who used both mobile and traditional strategies (INR 563/ USD 9.34). Our analysis indicate low paid FSWs who used mobile phones concurrently with traditional strategies had 2.46 times higher odds of inconsistent condom use compared to low paid FSWs who did not use mobile phones for client solicitation. No such effect was identified among high paid FSWs. These findings also identified group level differences among FSWs reporting different mobile phone solicitation strategies, including violence, client condom use and HIV status. Our results indicate that low pay does moderate the association between mobile phone solicitation and condom practices, but only among a sub-set of low paid FSWs. These findings also demonstrate the utility of classification by different mobile phone solicitation strategies for accurate assessment of sexual risk among mobile phone soliciting FSWs. In turn, this paves the way for novel approaches to utilize mobile phones for FSW HIV prevention. We discuss one such example, a mobile phone-based rapid screening tool for acute HIV infection targeting Indian FSWs. PMID- 29202127 TI - Obesity Does Not Exacerbate the Protumorigenic Systemic Environment in Sarcoma Subjects. AB - Sarcomas are a rare but fatal tumor type that accounts for <1% of adult solid malignancies and ~15% of childhood malignancies. Although the use of immunotherapy is being actively investigated for other solid tumors, advances in immunotherapy for sarcoma patients are lacking. To better understand the systemic immune environment in sarcoma patients, we performed a detailed multiplex analysis of serum cytokines, chemokines, and protumorigenic factors from treatment-naive subjects with localized, high-grade sarcoma. Because obesity is a major healthcare issue in the United States, we additionally examined the effects of obesity on serum protein profiles in our sarcoma subject cohort. We found that the systemic host environment is profoundly altered to favor tumor progression, with epidermal growth factor, angiopoietin-2, vascular endothelial growth factor A, IL-6, IL-8, and MIP-1beta all increased relative to tumor-free controls (all p < 0.05). Surprisingly, we found that obesity did not exacerbate this protumorigenic profile, as epidermal growth factor and IL-8 decreased with increasing subject body mass index (both p < 0.05 versus normal or overweight subjects). The Th2-related cytokines IL-4, IL-5, and IL-13 were also decreased in the presence of obesity. Thus, although the systemic environment in sarcoma subjects favors tumor progression, obesity does not further aggravate the production of protumorigenic factors. PMID- 29202129 TI - Statistical Framework for Uncertainty Quantification in Computational Molecular Modeling. AB - As computational modeling, simulation, and predictions are becoming integral parts of biomedical pipelines, it behooves us to emphasize the reliability of the computational protocol. For any reported quantity of interest (QOI), one must also compute and report a measure of the uncertainty or error associated with the QOI. This is especially important in molecular modeling, since in most practical applications the inputs to the computational protocol are often noisy, incomplete, or low-resolution. Unfortunately, currently available modeling tools do not account for uncertainties and their effect on the final QOIs with sufficient rigor. We have developed a statistical framework that expresses the uncertainty of the QOI as the probability that the reported value deviates from the true value by more than some user-defined threshold. First, we provide a theoretical approach where this probability can be bounded using Azuma-Hoeffding like inequalities. Second, we approximate this probability empirically by sampling the space of uncertainties of the input and provide applications of our framework to bound uncertainties of several QOIs commonly used in molecular modeling. Finally, we also present several visualization techniques to effectively and quantitavely visualize the uncertainties: in the input, final QOIs, and also intermediate states. PMID- 29202130 TI - Early Experiences Porting the NAMD and VMD Molecular Simulation and Analysis Software to GPU-Accelerated OpenPOWER Platforms. AB - All-atom molecular dynamics simulations of biomolecules provide a powerful tool for exploring the structure and dynamics of large protein complexes within realistic cellular environments. Unfortunately, such simulations are extremely demanding in terms of their computational requirements, and they present many challenges in terms of preparation, simulation methodology, and analysis and visualization of results. We describe our early experiences porting the popular molecular dynamics simulation program NAMD and the simulation preparation, analysis, and visualization tool VMD to GPU-accelerated OpenPOWER hardware platforms. We report our experiences with compiler-provided autovectorization and compare with hand-coded vector intrinsics for the POWER8 CPU. We explore the performance benefits obtained from unique POWER8 architectural features such as 8 way SMT and its value for particular molecular modeling tasks. Finally, we evaluate the performance of several GPU-accelerated molecular modeling kernels and relate them to other hardware platforms. PMID- 29202131 TI - Multifunctional System for Observing, Measuring and Analyzing Stimulation-Evoked Neurochemical Signaling. AB - The ability to measure neurotransmitter activity using implanted electrochemical sensors offers researchers a potent technique for analyzing neural activity across specific neural circuitry. We have developed a wirelessly controlled device, WINCS Harmoni, to observe and measure neurotransmitter dynamics at up to four separate sensors, with high temporal and spatial resolution. WINCS Harmoni also incorporates a versatile neurostimulator that can be synchronized with electrochemical recording. The WINCS Harmoni platform is thus optimally suited for probing the neurochemical effects of neurostimulation, and may in turn enable the development of personalized therapies for multiple brain disorders. PMID- 29202128 TI - "Toll-free" pathways for production of type I interferons. AB - Pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs) are recognized by different cellular pathogen recognition receptors (PRRs), which are expressed on cell membrane or in the cytoplasm of cells of the innate immune system. Nucleic acids derived from pathogens or from certain cellular conditions represent a large category of PAMPs/DAMPs that trigger production of type I interferons (IFN-I) in addition to pro-inflammatory cytokines, by specifically binding to intracellular Toll-like receptors or cytosolic receptors. These cytosolic receptors, which are not related to TLRs and we call them "Toll-free" receptors, include the RNA-sensing RIG-I like receptors (RLRs), the DNA-sensing HIN200 family, and cGAS, amongst others. Viruses have evolved myriad strategies to evoke both host cellular and viral factors to evade IFN-I-mediated innate immune responses, to facilitate their infection, replication, and establishment of latency. This review outlines these "Toll-free" innate immune pathways and recent updates on their regulation, with focus on cellular and viral factors with enzyme activities. PMID- 29202132 TI - Understanding Older Adult's Perceptions of Factors that Support Trust in Human and Robot Care Providers. AB - As the population of older adults increase so will the need for care providers, both human and robot. Trust is a key aspect to establish and maintain a successful older adult-care provider relationship. However, due to trust volatility it is essential to understand it within specific contexts. This proposed mixed methods study will explore what dimensions of trust emerge as important within the human-human and human-robot dyads in older adults and care providers. First, this study will help identify key qualities that support trust in a care provider relationship. By understanding what older adults perceive as needing to trust humans and robots for various care tasks, we can begin to provide recommendations based on user expectations for design to support trust. PMID- 29202134 TI - Subject-specific Estimation of Missing Cortical Thickness Maps in Developing Infant Brains. AB - To accurately chart the dynamic brain developmental trajectories in infants, many longitudinal neuroimaging studies prefer having a complete dataset. Unfortunately, missing data at certain time points are unavoidable in longitudinal datasets. To better use incomplete longitudinal data, we propose a novel method to estimate the subject-specific vertex-wise cortical thickness maps at missing time points, by using a customized regression forest, Dynamically Assembled Regression Forest (DARF). DARF ensures spatial smoothness of the estimated cortical thickness maps and also the computational efficiency. The proposed method can fully exploit the available information from the subjects both with and without missing scans. Our method has been applied to estimate the missing cortical thickness maps in a longitudinal infant dataset, which includes 31 healthy subjects, with each having up to 5 scans. The experimental results indicate that our method can accurately estimate missing cortical thickness maps, with the average vertex-wise error less than 0.23 mm. PMID- 29202133 TI - The accuracy of hospital ICD-9-CM codes for determining Sickle Cell Disease genotype. AB - Sickle cell disease affects more than 100,000 individuals in the United States, among whom disease severity varies considerably. One factor that influences disease severity is the sickle cell disease genotype. For this reason, clinical prevention and treatment guidelines tend to differentiate between genotypes. However, previous research suggests caution when using a claimsbased determination of sickle cell disease genotype in healthcare quality studies. The objective of this study was to describe the extent of miscoding for the major sickle cell disease genotypes in hospital discharge data. Individuals with sickle cell disease were identified through newborn screening results or hemoglobinopathy specialty care centers, along with their sickle cell disease genotypes. These genotypes were compared to the diagnosis codes listed in hospital discharge data to assess the accuracy of the hospital codes in determining sickle cell disease genotype. Eighty-three percent (sickle cell anemia), 23% (Hemoglobin SC), and 31% (Hemoglobin Sbeta+ thalassemia) of hospitalizations contained a diagnosis code that correctly reflected the individual's true sickle cell disease genotype. The accuracy of the sickle cell disease genotype coding was indeterminate in 11% (sickle cell anemia), 12% (Hemoglobin SC), and 7% (Hemoglobin Sbeta+ thalassemia) and incorrect in 3% (sickle cell anemia), 61% (Hemoglobin SC), and 52% (Hemoglobin Sbeta+ thalassemia) of the hospitalizations. The use of ICD-9-CM codes from hospital discharge data for determining specific sickle cell disease genotypes is problematic. Research based solely on these or other types of administrative data could lead to incorrect understanding of the disease. PMID- 29202135 TI - LATEST: Local AdapTivE and Sequential Training for Tissue Segmentation of Isointense Infant Brain MR Images. AB - Accurate segmentation of isointense infant (~6 months of age) brain MRIs is of great importance, however, a very challenging task, due to extremely low tissue contrast caused by ongoing myelination processes. In this work, we propose a novel learning method based on Local AdapTivE and Sequential Training (LATEST) for segmentation. Specifically, random forest technique is employed to train a local classifier (a single decision tree) for each voxel in the common space based on the neighboring training samples from atlases. Then, for each given voxel, all trained nearby individual classifiers (decision trees) are grouped together to form a forest. Moreover, the estimated probabilities are further used as additional source images to train the next set of local classifiers for refining tissue classification. By iteratively training the subsequent classifiers based on the updated tissue probability maps, a sequence of local classifiers can be built for accurate tissue segmentation. PMID- 29202136 TI - Explaining Radiological Emphysema Subtypes with Unsupervised Texture Prototypes: MESA COPD Study. AB - Pulmonary emphysema is traditionally subcategorized into three subtypes, which have distinct radiological appearances on computed tomography (CT) and can help with the diagnosis of chronic obstructive pulmonary disease (COPD). Automated texture-based quantification of emphysema subtypes has been successfully implemented via supervised learning of these three emphysema subtypes. In this work, we demonstrate that unsupervised learning on a large heterogeneous database of CT scans can generate texture prototypes that are visually homogeneous and distinct, reproducible across subjects, and capable of predicting accurately the three standard radiological subtypes. These texture prototypes enable automated labeling of lung volumes, and open the way to new interpretations of lung CT scans with finer subtyping of emphysema. PMID- 29202137 TI - Non-visual Web Browsing: Beyond Web Accessibility. AB - People with vision impairments typically use screen readers to browse the Web. To facilitate non-visual browsing, web sites must be made accessible to screen readers, i.e., all the visible elements in the web site must be readable by the screen reader. But even if web sites are accessible, screen-reader users may not find them easy to use and/or easy to navigate. For example, they may not be able to locate the desired information without having to listen to a lot of irrelevant contents. These issues go beyond web accessibility and directly impact web usability. Several techniques have been reported in the accessibility literature for making the Web usable for screen reading. This paper is a review of these techniques. Interestingly, the review reveals that understanding the semantics of the web content is the overarching theme that drives these techniques for improving web usability. PMID- 29202138 TI - Effects and time-kill assessment of amoxicillin used in combination with chloramphenicol against bacteria of clinical importance. AB - With the emergence of multidrug-resistant organisms in an era when drug development faces challenges causing pharmaceutical companies to curtail or abandon research on anti-infective agents, the use of combined existing antimicrobial agents may be an alternative. This study evaluated the effects of combining amoxicillin and chloramphenicol, to which many bacteria have become resistant, in vitro against Gram positive and Gram negative bacteria by agar diffusion, checkerboard and time-kill assays. The test isolates were susceptible to amoxicillin with minimum inhibitory concentrations (MICs) ranging between 0.448 and 500 ug/ml and between 1.953 and 31.25 ug/ml for chloramphenicol. Upon combining these agents, there was a drastic reduction in their MICs indicating an increased antibacterial activity that showed synergistic interaction against all the bacteria. At the highest concentrations, the inhibition zones ranges were 20.33-38.33+/-0.58 ug/ml for amoxicillin, 27.67-37.67+/-0.58 ug/ml for chloramphenicol and 31.67-39.33+/-0.58 ug/ml for the combined agents. The fractional inhibitory concentration indices (FICIs) showed synergy ranging from 0.129 to 0.312 while FICIs for additive interaction were between 0.688 and 1.0. There was no antagonistic interaction. At the 1/2MICs of the combined antibiotics, all the tested bacteria, except for Klebsiella pneumoniae ATCC 4352, Proteus vulgaris CSIR 0030 and Enterococcus cloacae ATCC 13047 were eliminated before 24 h. At the MICs, all the tested bacteria were eliminated except Enterococcus cloacae ATCC 13047 which was almost totally eliminated. Post antibiotic assessment after 48 h showed that all the cultures were sterile except for that of Enterococcus cloacae ATCC 13047. The lack of antagonism between these antibacterial agents in checkerboard and time-kill assays suggested that combining amoxicillin with chloramphenicol can provide an improved therapy in comparison to the use of each antibiotic individually. The study indicates the potential beneficial value of combining amoxicillin and chloramphenicol in the treatment of microbial infections in clinical settings. PMID- 29202139 TI - Changes in the pancreas caused by different types of hypertension. AB - Hypertension is considered a lifestyle disease. Unfavorable forecasts predict a significant increase in the number of patients suffering from this disorder. Many changes in various organs have been observed as a result of ischemia. An interesting question arises of whether differences between the mechanisms occurring in different types of hypertension could produce different effects in the organs. It is well known that there is a close relationship between hypertension and insulin resistance. On the other hand, insulin resistance is the main cause of type 2 diabetes, which develops in parallel with changes in the pancreas. The pancreas is a very important organ since it produces enzymes crucial for the digestive process, as well as performs an important endocrine function. The work presented here focuses primarily on the latter issue. The authors present an overview of contemporary literature concerning the influence of different types of hypertension on the function of the pancreas. PMID- 29202141 TI - Let's get physical! PMID- 29202140 TI - Relation of the polymorphism of cyp51A sequence and the susceptibility of Aspergillus fumigatus isolates to triazoles determined by commercial gradient test (Etest) and by reference methods. AB - The aim of this study was to evaluate the accuracy of commercial gradient test (Etest) in the detection of triazole resistant Aspergillus fumigatus isolates using reference microdilution methods and the analysis of sequences of the cyp 51A gene. The study was performed on twenty clinical isolates which were identified as Aspergillus fumigatus based on the DNA sequences of the ITS1-2 fragment of ribosomal DNA and the beta-tubulin gene, out of them seventeen isolates showed wild-type cyp51A sequence and three were positive for the mutation TR34/L98H. All isolates were tested for the susceptibility to itraconazole (ITZ), voriconazole (VOR) and posaconasole (POS) using microdilution methods, according to EUCAST and CLSI protocols, as well as using Etest. The results of microdilution and Etests were analysed separately according to clinical breakpoints (CBP) defined by EUCAST version 7.0 and epidemiological cut off values (ECV). Etest as well as reference methods excellently recognised the WT isolates, which were susceptible to all tested triazoles, regardless of the method and CBP or ECV criteria used. The Etest recognized three non-WT isolates as resistant or intermediately sensitive to ITZ and POS and one as resistant to VOR. The categorical concordance between Etests and EUCAST and Etests and the CLSI method ranged from 90 to 100%. The interpretation of the results obtained from routine A. fumigatus Etests requires great caution. The use of the confirmative examinations with reference AST methods as well as with molecular tests is recommended. PMID- 29202142 TI - Antibiotic overprescribing: Still a major concern. AB - Despite universal agreement that antibiotic overprescribing is a problem, the practice continues to vex us. Antibiotic use--whether appropriate or not--has been linked to rising rates of antimicrobial resistance, disruption of the gut microbiome leading to Clostridium difficile infections, allergic reactions, and increased health care costs. And yet, physicians continue to overprescribe this class of medication. A 2016 Centers for Disease Control and Prevention report estimates that at least 30% of antibiotics prescribed in US outpatient settings are unnecessary. Another report cites a slightly higher figure across a variety of health care settings. Pair these findings with the fact that there are currently few new drugs in development to target resistant bacteria, and you have the potential for a post-antibiotic era in which common infections could become lethal. Family practitioners are on the front lines of this battle. Here's what we can do now. PMID- 29202143 TI - The evaluation and management of female sexual dysfunction. AB - Female sexual dysfunction has complex physiologic and psychological components that require a detailed screening, history, and physical examination. Our goal in this review is to provide family physicians with insights and practical advice to help screen, diagnose, and treat female sexual dysfunction, which can have a profound impact on patients' most intimate relationships. PMID- 29202144 TI - Best uses of osteopathic manipulation. AB - With the growing number of DOs and the high utilization of osteopathic manipulative treatment (OMT), it is important for all physicians to understand the role OMT can play in the treatment of conditions ranging from low back pain to irritable bowel syndrome so that patients may be offered, or referred for, the treatment when appropriate. PMID- 29202145 TI - The benefits of physician-pharmacist collaboration. AB - Over the past decade, physician-pharmacist collaborative practices have gained traction in primary care as a way to implement team-based-care models. And there is evidence pointing to the effectiveness of this multidisciplinary heath care team approach, in which pharmacists are typically responsible for such things as obtaining medication histories, identifying barriers to adherence, and adjusting medication regimens. Several studies have shown the significant impact that physician-pharmacist collaborative management (PPCM) can have on blood pressure control among patients with hypertension. Additionally, PPCM may have positive effects on HbA1c reduction and diabetes control, suggesting that benefits may extend to other chronic diseases, too. PMID- 29202147 TI - Segmental distribution of nodules on trunk. AB - A 70-year-old Caucasian man presented with a longstanding history of numerous nontender, fleshy, skin-colored papules on his trunk, ranging from 3 to 8 mm in size. They were noted incidentally during an examination of unrelated nonhealing lesions on the patient's left cheek. He said the lesions on his trunk first appeared when he was 28 years old and had continued to grow in size and number. The patient said his son had at least one similar lesion on his upper back, but otherwise there was no family history of these lesions. A biopsy was performed on one of the nodules. WHAT IS YOUR DIAGNOSIS? HOW WOULD YOU TREAT THIS PATIENT? PMID- 29202146 TI - PURLs: Does azithromycin have a role in cesarean sections? AB - A 26-year-old G1P0 at 40w1d presents in spontaneous labor and is dilated to 4 cm. The patient reached complete cervical dilation after artificial rupture of membranes and oxytocin augmentation. After 4 hours of pushing, there has been minimal descent of the fetal vertex beyond +1 station with significant caput succedaneum. Her physician decides to proceed with cesarean delivery. What antibiotics should be administered prior to incision to reduce postoperative infection? PMID- 29202148 TI - Behavioral Health Consult: Ensuring prompt recognition and treatment of panic disorder. AB - Lorna D was seen by her primary care physician as follow-up to a visit she made to the emergency department (ED). The 37 year old had gone to the ED 4 times in the previous year. Each time she presented with tachycardia, dyspnea, nausea, numbness in her extremities, and a fear that she was having a heart attack. In spite of negative work-ups at each visit (electrocardiogram, cardiac enzymes, complete blood count, toxicology screen, Holter monitoring), Ms. D was terrified that the ED doctors were missing something. She was still "rattled" by the chest pain and shortness of breath she had experienced. Mild symptoms were persisting and she was worried that she would have a heart attack and die without the treatment she believed she needed. How would you proceed with this patient? PMID- 29202149 TI - Clinical Inquiries: Which interventions are effective in managing parental vaccine refusal? AB - It's unclear whether educational initiatives alone alter vaccine refusal. Although about a third of parents cite herd immunity as motivation for vaccination, its efficacy in addressing vaccine hesitancy isn't clear. Multifaceted interventions (encompassing improved access to vaccines, immunization mandates, and patient education) may produce a >=25% increase in vaccine uptake in groups with vaccine hesitancy and low utilization. Correcting false information about influenza vaccination improves perceptions about the vaccine, but may decrease intention to vaccinate in parents who already have strong concerns about safety. Discussions about vaccines that are more paternalistic (presumptive rather than participatory) are associated with higher vaccination rates, but lower visit satisfaction. Providers should thoroughly address patient concerns about safety and encourage vaccine use. PMID- 29202150 TI - Erythematous, friable nipple with loss of protrusion . history of breastfeeding . Dx? AB - A 34-year-old healthy woman presented to the breast surgical oncology clinic with skin changes to her left nipple after being referred by her primary care provider. She attributed the skin changes to shearing from breastfeeding her third child 5 years earlier. Physical examination revealed an erythematous and friable nipple with loss of protrusion. The patient reported routine bleeding from her nipple, but said the skin changes had remained stable and denied any breast masses. The patient's last mammogram was 2.5 years earlier and had only been remarkable for bilateral benign calcifications. PMID- 29202151 TI - Screening for tuberculosis: Updated recommendations. AB - Tuberculosis (TB) remains a significant public health problem worldwide with an estimated 10.4 million new cases and 1.7 million deaths having occurred in 2016. In that same year, there were 9287 new cases in the United States--the lowest number of TB cases on record. TB appears in one of 2 forms: active disease, which causes symptoms, morbidity, and mortality and is a source of transmission to others; and latent TB infection (LTBI), which is asymptomatic and noninfectious but can progress to active disease. The estimated prevalence of LTBI worldwide is 23%, although in the United States it is only about 5%. The proportion of those with LTBI who will develop active disease is estimated at 5% to 10% and is highly variable depending on risks. In the United States, about two-thirds of active TB cases occur among those who are foreign born, whose rate of active disease is 14.6/100,000. Five countries account for more than half of foreign-born cases: Mexico, the Philippines, India, Vietnam, and China. PMID- 29202152 TI - Subacute loss of vision in one eye . rash on hands and feet . plaques with scaling on genitals . Dx? AB - A 67-year-old man presented to the hospital with subacute loss of vision in his left eye. The visual changes began 2 weeks earlier, with a central area of visual loss that had since progressed to near complete vision loss in the left eye. Physical examination revealed patchy alopecia, a scaling and hyperkeratotic rash of his hands and feet, and blanching, erythematous plaques with associated scaling on the scrotum and glans penis. Ophthalmologic examination revealed 1/200 vision in his left eye with a large plaque occupying a substantial portion of the superior quadrant, smaller perifoveal plaques in both of his eyes, and a small infiltrate above the left optic nerve head. The patient also described fatigue, loss of taste, and an unintentional weight loss of 7 to 10 kg over the previous 6 months. He had seen his primary care provider 3 months prior for a burning sensation and scaling rash on his feet and hands, and was prescribed a topical steroid. PMID- 29202153 TI - Congressional Politics and Peer Review. AB - U.S. Senator Rand Paul (R-KY) believes that the public is better served by changing how peer review is conducted of research grant applications for federal money. Toward that end, on October 17, 2017, he introduced S. 1973, the BASIC Research Act, as a means of curtailing what he considers silly research. If enacted, the following would result. PMID- 29202154 TI - Changing Student Attitudes Toward Interprofessional Learning and Collaboration: Evidence for the Effectiveness of Partnering with Healthcare Mentors in the Academic Setting. AB - PURPOSE: Individuals living with chronic health conditions serving as healthcare mentors (HCM) allow the creation of high impact, authentic learning experiences. The purpose of this study was to examine the effectiveness of a 6-hour curricular experience involving HCM in changing student attitudes toward interprofessional learning (IPL) and collaboration (IPC). METHODS: Thirty-eight students from clinical psychology, nursing, physical therapy, and social work programs participated in either the learning intervention (n=19) or the control group (n=19). Students in the IPL group examined the HCMs, who were diagnosed with multiple sclerosis, shared the findings during an interprofessional team meeting, and collaboratively developed consensus-based interprofessional care recommendations. The Interdisciplinary Education Perception Scale, Readiness for Interprofessional Learning Scale, and Attitudes Toward Health Care Teams Scale were completed pre- and post-IPL. In addition, discipline-specific focus groups were also conducted. RESULTS: The IPL experience resulted in positive changes in student attitudes toward teamwork and collaboration. Teamwork among the students was reportedly characterized by open communication, mutual respect, and the incorporation of ideas from other disciplines. CONCLUSIONS: Positively changing students' attitudes and skills for IPC prior to licensure is an important first step in providing coordinated interprofessional care to patients/clients living with chronic health conditions. PMID- 29202156 TI - Informed Consent and the Limited English Patient: A Pilot Project with Dental Hygiene Students to Assess Student Knowledge, Perceptions, and Attitudes. AB - Informed consent is the process by which a patient agrees to or rejects a proposed plan of treatment after a discussion with the provider about the benefits, risks, and alternative treatments available. In the United States, a signed informed consent form is required before any treatment plan may be implemented. However, there is no literature addressing how students in health professions understand informed consent in the context of encounters with limited English proficient (LEP) patients. The purpose of this interprofessional, interdisciplinary pilot project was to explore and assess Idaho State University's dental hygiene students' knowledge, perceptions, and attitudes associated with the process of informed consent when working with LEP patients in a dental hygiene setting. Using mixed-methods methodology, we administered a pre immersion survey to 28 second-year dental hygiene students. These students then participated in a simulated encounter with Spanish-speaking mock-patients and trained interpreters. After the immersive experience, students completed a post immersion survey. Study results indicate overall positive increases in student knowledge, perceptions, and attitudes toward various aspects of the provider-LEP patient encounter. PMID- 29202155 TI - Changes in Health Professional Students' Attitudes Toward the Underserved: Impact of Extended Participation in an Interprofessional Student-Run Free Clinic. AB - This study assessed the impact of volunteering for 2 years in an interprofessional student-run free clinic (SRFC) on the attitudes of health professional students toward the medically underserved. The Health Professionals' Attitudes Toward the Homeless Inventory was administered to students from six different health professions at three time points: before, after 1 year, and after 2 years of volunteering in an SRFC. The results were compared to students who never applied to the SRFC and those who applied but were not accepted. Students who applied had similar attitude scores at baseline and differed significantly from those who did not apply. Although all three groups showed declining attitudes after the first year, students who volunteered had more favorable attitudes than the other two groups from this point forward. These results suggest that SRFCs have a protective effect against the declining attitudes toward the underserved that can occur as training progresses. PMID- 29202157 TI - Utilization of Ambulatory Physical Therapy and Occupational Therapy by the United States Population, 2009-2013. AB - PURPOSE: The aging of the U.S. population and insurance reforms in the Patient Protection and Affordable Care Act of 2010 have been postulated to increase future demand for physical therapy and occupational therapy. The purpose of this study was to develop population estimates for and describe the demographic characteristics of persons using ambulatory physical therapy and occupational therapy during 2009-2013. METHOD: From data from the Medical Expenditure Panel Survey-Household Component, population estimates of the number of persons utilizing ambulatory therapy services were developed for the total U.S. population and by selected demographic characteristics: age, sex, census region, race/ethnicity and income category. RESULTS: The ambulatory therapy patient population grew by an average rate of 5.9% to a total of 13.2 million persons in 2013. The average annual growth rate was higher for persons aged 0-17, age over 64, Asian-Americans, Black Americans, and persons living in low income and near poor households. The typical user was a working-age, Caucasian female living in a middle or high income household. CONCLUSIONS: While the typical user of ambulatory therapy services represents persons who traditionally have good access to health care, the results of this study point to an aging of the population using therapy services and improved access to ambulatory therapy services for historically underserved populations. PMID- 29202158 TI - Therapeutic Value of Medical Marijuana in New Jersey Patients: A Community Partnership Research Endeavor. AB - OBJECTIVE: The Public Health Program at Stockton University partnered with the Compassionate Care Foundation to ascertain the impact of medical marijuana on patients in New Jersey. METHODS: Patients volunteered to complete a survey once a month for 8 months. The survey explored their use, form, and strain of medical marijuana and its influence on pain and 12 other physical and mental health variables. Also, an increase or decrease in other medication taken and any unexpected outcomes were recorded. RESULTS: From a total of 955 patients, patients responding to the surveys varied from 501 for visit 1, 290 for visit 2, to 179 for visit 3. Results provide insight into the diagnoses for which patients used medical marijuana. Results indicate increased mood, general overall condition, and energy as the highest consequences; level of pain in the middle range; and most frequent usage as 3 to 4 times a day. Repeated measures done after visit 2 showed eight statistically significant differences for patients after using medical marijuana: an increase in general quality of life, mobility, and mood, with a decrease in inflammation, intraocular pressure, spasms, seizures, and pain. Results after visit 3 indicated seven significant differences compared to visit 1: decreased seizures, intraocular pressure, spasms, nausea, and pain, along with increased energy and mobility. No differences were found by patient diagnosis or age, but sex-related differences occurred in inflammation, mood, and energy. CONCLUSION: Results support positive therapeutic benefits of medical marijuana, and despite methodological limitations, our study contributes to the growing body of literature. PMID- 29202159 TI - Mammographic Phantoms Frequently Used to Determine Image Quality: A Comparative Study. AB - : Appropriate diagnosis depends on the image quality of the mammographic system. Phantoms are normally used, since they have physical properties similar to those of different human tissues, and are important tools for quality assurance of mammography equipment, evaluation of image quality, and accurate determination of patient dosage. The aim of this study was to evaluate various mammographic phantoms used to determine the image quality of digital mammographic equipment. METHODS: Three phantoms were used: an American College of Radiology accreditation phantom, an MTM 100/R, and a tissue-equivalent phantom. Tungsten/silver target/filter material was used with four variable exposures (25, 28, 30, and 32 kVp). In total, there were 12 images. The images were evaluated by scoring the visibility of the structures, and a total score out of 100% was recorded. Statistical analysis was conducted using non-parametric tests. RESULTS: There was no significant difference in the visibility of structures among the phantoms at different kVp. However, there were significant differences (p=0.04) in the visibility of the tumor masses when the kVp was varied. In addition, visibility rates differed significantly between the three phantoms (p<=0.05). CONCLUSION: All the phantoms used in this study were suitable for evaluating digital mammography systems. However, the exposure setting for evaluation must be carefully considered. The tissue-equivalent phantom performed better in terms of the visibility rate to assess image quality in the digital mammography units. PMID- 29202160 TI - Benefits and Challenges of Supervising Physical Therapy Students in the State of Kuwait: A National Study. AB - One common component of allied health education is clinical fieldwork. It is the bridge between the didactic curriculum and clinical practice. Clinical supervisors perceive that being a clinical supervisor has both benefits and challenges. A modified questionnaire was distributed to 75 physical therapists who had previously or were currently engaged in supervising physical therapy students in 12 public hospitals in the State of Kuwait. In addition to demographic data, the questionnaire asked about the benefits and challenges associated with supervising students. The results indicated that the clinical fieldwork supervisors regarded their student supervision process as highly beneficial and reported that it improved their professionalism, problem-solving skills, and clinical reasoning. Challenges to supervision included students' lack of theoretical knowledge, poor hands-on skills, and poor writing/documentation skills. Suggestions are put forth to promote additional benefits and overcome existing challenges to develop a more successful physical therapy clinical education process for the supervisors and the students. PMID- 29202161 TI - Development of an Academic Professional Behaviors Assessment for Health Professions Faculty. AB - PURPOSE: An important component in educating health professionals is developing professional behaviors, which includes appropriate modeling by faculty. The purposes of this study were to: 1) determine examples of behaviors that faculty identify as important in measuring professional behaviors in themselves and colleagues, and 2) develop a tool that could be used in self- and peer-assessment for faculty. METHODS: Part I of this two-part study was a survey to determine which behaviors are considered valuable in seven categories of professional behaviors. Part II surveyed 113 faculty members across seven disciplines in one College of Health Professions to rank behaviors identified in Part I. Behaviors scored more than 2 SD below the mean were eliminated, and one-way ANOVA calculations were used to assess differences in rankings between professions. RESULTS: In Part I, 95 of 154 total behaviors were identified as most important at the end of round one; in round two, that number was reduced to 54. In Part II, 46 of the 54 behaviors were ranked as most important with no significant differences among programs. The Academic Faculty Professional Behavior Assessment was developed from these behaviors. CONCLUSION: Results of this study led to the development of an assessment tool which can be used across various health professions faculty. PMID- 29202162 TI - Controversial Issues in Healthcare Policy: A Survey of Doctor of Physical Therapy Students in a Public University. AB - BACKGROUND: The recently passed legislation and proposed policy changes governing the healthcare system have been met with extensive debate and controversy. OBJECTIVE: The primary objective of the study was to determine the attitudes of Doctor of Physical Therapy (DPT) students towards some of these controversial issues. The secondary objective was to determine the demographic factors, including number of years in a physical therapy program, that contribute to their attitude formation. METHODS: The research design was a cross-sectional non experimental survey. Purposive sampling was used to recruit subjects in a public university. Subjects took the survey including nine Likert scale questions/statements on controversial issues inspired from legislative efforts and news media sources and one open-ended question. RESULTS: Of the 111 recruited, 106 students agreed to participate as subjects and completed the survey. Only 18.9% agreed or strongly agreed that the Patient Protection and Affordable Care Act is a positive solution for the healthcare system in America. Political affiliation, class level, and developmental environment were associated with a few questions/statements. CONCLUSIONS: DPT students in the sample had very diverse attitudes towards controversial issues in healthcare policy. Some of these attitudes revealed very different paradigms from the results found among medical students and the general public. PMID- 29202163 TI - Amount of Genetics Education is Low Among Didactic Programs in Dietetics. AB - Nutritional genomics is a growing area of research. Research has shown registered dietitian nutritionists (RDNs) have limited knowledge of genetics. Limited research is available regarding how didactic programs in dietetics (DPDs) meet the genetics knowledge requirement of the Accreditation Council for Education in Nutrition and Dietetics (ACEND(r)). The purpose of this study was to determine the extent to which the study of nutritional genomics is incorporated into undergraduate DPDs in response to the Academy of Nutrition and Dietetics position statement on nutritional genomics. The sample included 62 DPD directors in the U.S. Most programs (63.9%) reported the ACEND genetics knowledge requirement was being met by integrating genetic information into the current curriculum. However, 88.7% of programs reported devoting only 1-10 clock hours to genetics education. While 60.3% of directors surveyed reported they were confident in their program's ability to teach information related to genetics, only 6 directors reported having specialized training in genetics. The overall amount of clock hours devoted to genetics education is low. DPD directors, faculty, and instructors are not adequately trained to provide this education to students enrolled in DPDs. Therefore, the primary recommendation of this study is the development of a standardized curriculum for genetics education in DPDs. PMID- 29202164 TI - Lessons Learned by a Founding Dean: College of Health and Human Services at Western Kentucky University. AB - This article describes the process in the development and implementation of the College of Health and Human Services at Western Kentucky University. Lessons learned and insights gained as an inaugural dean are presented around four main themes: creating a culture of trust and transparency, leaders of change, strategic planning, and cultivating external resources. The application of change theory, transformational leadership, and systems thinking enabled the college to more than double its enrollment and to address critical workforce needs in health and human services. Using these themes, the role of a dean is to be a "builder"- building trust through empowerment that leads to the offering of academic programs that meet community needs. PMID- 29202165 TI - A Survey of Undergraduate Capstone Course Objectives in Communication Sciences and Disorders: Current Trends and Future Implications. AB - PURPOSE: Undergraduate capstone courses are culminating experiences that allow seniors to integrate and demonstrate the knowledge and skills gained during undergraduate studies. To date, there are no published studies about capstone course standards/designs in the discipline of communication sciences and disorders (CSD). The purpose of this study was to determine what capstone experiences are considered critical for CSD undergraduates. METHOD: Faculty from CSD programs nationwide were asked to rank-order 15 potential learning objectives (suitable to a senior capstone) based on their relative importance from most important to least important. Some respondents provided feedback, which was optional. RESULTS: Sixty-four CSD faculty responded to the nationally distributed survey. The three highest ranked objectives for capstone courses were: written and oral communication proficiency, understanding of human communication, and understanding theories of learning from a multidisciplinary perspective. Undergraduate research experiences received the lowest rankings. CONCLUSION: Survey results and faculty feedback are discussed in the context of the standards expected of a capstone course, undergraduate requirements in CSD, and enhancing student interest in research. The degree to which students are being prepared for evidence-based practice, the doctoral shortage, and the challenges to master's programs are also discussed. PMID- 29202166 TI - Team-Based Learning at the End of a Physical Therapy Curriculum. AB - Team-based learning (TBL) is used in health professions education, including physical therapist education. This retrospective analysis assessed the implementation of TBL in a diagnostic screening course. Ninety-two Doctor of Physical Therapy and post-professional international master's students participated. The students' perceptions were assessed by the Team-Based Learning Student Assessment Inventory (TBL-SAI). The students overall scores on the TBL SAI demonstrated a favorable experience with TBL. The students also displayed positive responses on the three subscales: Accountability, Preference for Lecture or TBL, and Student Satisfaction. Open-ended comments revealed that the students liked the course and found it improved their teamwork skills. Further research at other institutions is needed to determine if implementing a TBL format late in the curriculum is equally as effective as demonstrated in the present study. PMID- 29202167 TI - Introduction of Virtual Patient Software to Enhance Physician Assistant Student Knowledge in Palliative Medicine. AB - PURPOSE: The purpose of this project was to infuse palliative medicine and end-of life care creatively into physician assistant (PA) education. METHODS: Nine second-year PA students volunteered to participate in this quasi-experimental, pretest-posttest pilot study. Students initially completed an anonymous survey evaluating seven domains of knowledge in palliative medicine coupled with a self assessment in competence. Virtual patient software was then used to simulate clinical encounters that addressed major palliative care domains. Upon completion of these cases, the same survey, with the addition of three questions about their own personal feelings, was administered. RESULTS: Overall response was positive in regard to improved knowledge and the virtual patient experience. After completion of the cases, students rated their self-assessed skills higher in all domains than prior to completing the cases. Factual knowledge scores showed a slight but not significant improvement, with an average pre-survey score of 4.56 and post-survey score of 4.67. DISCUSSION: Using virtual patient software can be a way of infusing palliative medicine and end-of-life care into PA education. These encounters can then be modified to include interprofessional encounters within the health professions. PMID- 29202168 TI - What Do Faculty in Health Professions Need to be Competent Educators? Results from a School-Wide Needs Assessment. AB - BACKGROUND: Teaching may be the one responsibility most distinctly identified with being a faculty member, but may be the one for which faculty is least prepared. We performed a needs assessment to understand the educational needs of health professions faculty. METHODS: Faculty completed a survey examining the extent to which they valued and felt competent in 36 education-related skills within six categories, including instructional methods, curriculum development, assessment, instructional design, learners and learning, and diversity and inclusion. Participants rated each item using a 1 (not at all valuable/competent) to 5 (extremely valuable/competent) scale. RESULTS: Ninety-five percent of faculty (n=19/20) responded. Value means per topic included diversity and inclusion (4.61+/-0.65), instructional methods (4.60+/-0.28), learners and learning (4.60+/-0.34), assessment (4.54+/-0.31), instructional design (4.27+/ 0.50), and curriculum development (4.21+/-0.28). Self-rated competence was highest for diversity and inclusion (4.18+/-0.76), followed by learners and learning (3.76+/-0.75), instructional methods (3.73+/-0.65), assessment (3.22+/ 0.95), curriculum development (3.07+/-0.88), and instructional design (2.71+/ 0.77). All value/competency comparisons found the value of these skills skills to be significantly greater than competence in that category (p<0.001 for each), with largest discrepancies in instructional design and assessment. CONCLUSIONS: Opportunities exist to improve alignment between valued educator skills and their perceived competency levels in these skills. PMID- 29202169 TI - Psychological Impact of Cognitive Rest Following Sport-Related Concussion on Low Socioeconomic Status Adolescent Patients. AB - PURPOSE: Describe the psychological impact of cognitive rest in adolescents recovering from concussion from sport-related concussion. METHODS: Eight male football players with a previous sport concussion and full recovery completed semi-structured interviews during focus group sessions. Using content analysis, the researchers independently analyzed notes and transcriptions to identify themes associated with the psychological impact of cognitive rest. RESULTS: Common themes included: 1) sport as social support, and 2) boredom-complicated recovery following cognitive rest. CONCLUSIONS: The current treatment protocol indicating cognitive rest and removal from school and sport may be detrimental in a population that is peer-dependent. Future research should explore generalizability and additional factors that may complicate psychological recovery of adolescent athletes following concussive injuries. PMID- 29202170 TI - The DASS-14: Improving the Construct Validity and Reliability of the Depression, Anxiety, and Stress Scale in a Cohort of Health Professionals. AB - OBJECTIVES: Considerable research has been undertaken in evaluating the DASS-21 in a variety of clinical populations, but studies of the instrument's psychometric adequacy in healthcare professionals is lacking. This study aimed to establish and improve the construct validity and reliability of the DASS-21 in a cohort of Australian health professionals. METHODS: 343 rehabilitation health professionals completed the DASS-21, along with a demographic questionnaire. Principal components analysis was performed to identify potential factors in the DASS-21. Factors were interpreted against theoretical constructs underlying the instrument. Items loading on separate factors were then subjected to reliability analysis to determine internal consistency of subscales. Items that demonstrated poor fit, or loaded onto more than one factor, were deleted to maximise the reliability of each subscale. RESULTS: Principal components analysis identified three dimensions (depression, anxiety, stress) in a modified version of the DASS 21 (renamed DASS-14), with appropriate construct validity and good reliability (a=0.73 to 0.88). The three dimensions accounted for over 62% of variance between items. CONCLUSION: The modified DASS-14 scale is a more parsimonious measure of depression, anxiety, and stress, with acceptable reliability and construct validity, in rehabilitation health professionals and is appropriate for use in studies of similar populations. PMID- 29202171 TI - The Multiple Mini-Interview: A Possible Solution to Problems Associated with the Interview Processes for a Selected Entry Allied Health Program. AB - BACKGROUND: Concerns have been raised about the effectiveness of traditional semi structured interviews in selected entry allied health programs in terms of whether they give applicants the best opportunity to demonstrate their personal qualities and whether the process itself is overly intimidating and impersonal. This in turn raises questions about the reliability and validity of interviews. In this study, a possible alternative process was examined, the multiple mini interview (MMI). The study investigated the MMI's perceived acceptability for use by a speech-language pathology program. METHODS: The MMI was administered prior to the beginning of the academic year. The study involved 43 applicants and 5 faculty members. On completion of the MMI, participants were invited to complete an optional questionnaire about their perceptions of the process. CONCLUSIONS: Overall, applicants indicated that they found the MMI process to be fair, simple, and non-threatening. The faculty members who interviewed the students also indicated that the process was fairer than the traditional interview, easier for them to manage because they could focus on one specific aspect of the interview process, and gave them an opportunity to meet all of the applicants. PMID- 29202172 TI - Interprofessional Collaboration of Dental Hygiene and Communication Sciences & Disorders Students to Meet Oral Health Needs of Children with Autism. AB - PURPOSE: This pilot project was intended to introduce an authentic interprofessional education experience with students from Communication Sciences & Disorders (CSD) and Dental Hygiene (DH) to develop and apply strategies to assist children diagnosed with autism spectrum disorder (ASD) to decrease their anxiety and improve their ability to participate in an oral screening and prophylaxis appointment. The second purpose was for students to learn each other's scope of practice. METHODS: Four children diagnosed with ASD were identified as having dental anxiety and unmet dental needs. The students collaborated to develop visual support strategies to support the implementation of an oral screening and prophylaxis. RESULTS: Three participants were able to participate in the oral screening, instruction for brushing teeth, and prophylaxis. The students reported having a better understanding of each other's roles and responsibilities and feeling more confident working with a child with ASD. CONCLUSION: The DH students were better able to identify the characteristics associated with ASD and to develop and use visual supports to assist children with ASD control anxiety during dental prophylaxis procedures. The CSD students learned techniques that hygienists use and how to help parents prepare their children for dental hygiene treatments. PMID- 29202173 TI - DCC/NTN1 complex mutations in patients with congenital hypogonadotropic hypogonadism impair GnRH neuron development. AB - Congenital hypogonadotropic hypogonadism (CHH) is a rare genetic disease characterized by absent puberty and infertility due to GnRH deficiency, and is often associated with anosmia [Kallmann syndrome (KS)]. The genetic etiology of CHH is heterogeneous, and more than 30 genes have been implicated in approximately 50% of patients with CHH. We hypothesized that genes encoding axon guidance proteins containing fibronectin type-III (FN3) domains (similar to ANOS1, the first gene associated with KS), are mutated in CHH. We performed whole exome sequencing in a cohort of 133 CHH probands to test this hypothesis, and identified rare sequence variants (RSVs) in genes encoding for the FN3-domain encoding protein deleted in colorectal cancer (DCC) and its ligand Netrin-1 (NTN1). In vitro studies of these RSVs revealed altered intracellular signaling associated with defects in cell morphology, and confirmed five heterozygous DCC mutations in 6 probands-5 of which presented as KS. Two KS probands carry heterozygous mutations in both DCC and NTN1 consistent with oligogenic inheritance. Further, we show that Netrin-1 promotes migration in immortalized GnRH neurons (GN11 cells). This study implicates DCC and NTN1 mutations in the pathophysiology of CHH consistent with the role of these two genes in the ontogeny of GnRH neurons in mice. PMID- 29202175 TI - Commentary on: Computer-Assisted Planning and 3D Printing-Assisted Modeling for Chin Augmentation. PMID- 29202174 TI - Autosomal and Mitochondrial Adaptation Following Admixture: A Case Study on the Honeybees of Reunion Island. AB - The honeybee population of the tropical Reunion Island is a genetic admixture of the Apis mellifera unicolor subspecies, originally described in Madagascar, and of European subspecies, mainly A. m. carnica and A. m. ligustica, regularly imported to the island since the late 19th century. We took advantage of this population to study genetic admixing of the tropical-adapted indigenous and temperate-adapted European genetic backgrounds. Whole genome sequencing of 30 workers and 6 males from Reunion, compared with samples from Europe, Madagascar, Mauritius, Rodrigues, and the Seychelles, revealed the Reunion honeybee population to be composed on an average of 53.2 +/- 5.9% A. m. unicolor nuclear genomic background, the rest being mainly composed of A. m. carnica and to a lesser extent A. m. ligustica. In striking contrast to this, only 1 out of the 36 honeybees from Reunion had a mitochondrial genome of European origin, suggesting selection has favored the A. m. unicolor mitotype, which is possibly better adapted to the island's bioclimate. Local ancestry was determined along the chromosomes for all Reunion samples, and a test for preferential selection for the A. m. unicolor or European background revealed 15 regions significantly associated with the A. m. unicolor lineage and 9 regions with the European lineage. Our results provide insights into the long-term consequences of introducing exotic specimen on the nuclear and mitochondrial genomes of locally adapted populations. PMID- 29202177 TI - Distinctive Neuroanatomical Substrates for Depression in Bipolar Disorder versus Major Depressive Disorder. AB - No neuroanatomical substrates for distinguishing between depression of bipolar disorder (dBD) and major depressive disorder (dMDD) are currently known. The aim of the current multicenter study was to identify neuroanatomical patterns distinct to depressed patients with the two disorders. Further analysis was conducted on an independent sample to enable generalization of results. We directly compared MR images of these subjects using voxel-based morphometry (VBM) and a support vector machine (SVM) algorithm using 1531 participants. The VBM analysis showed significantly reduced gray matter volumes in the bilateral dorsolateral prefrontal (DLPFC) and anterior cingulate cortices (ACC) in patients with dBD compared with those with dMDD. Patients with the two disorders shared small gray matter volumes for the right ACC and left inferior frontal gyrus when compared with healthy subjects. Voxel signals in these regions during SVM analysis contributed to an accurate classification of the two diagnoses. The VBM and SVM results in the second cohort also supported these results. The current findings provide new evidence that gray matter volumes in the DLPFC and ACC are core regions in displaying shared and distinct neuroanatomical substrates and can shed light on elucidation of neural mechanism for depression within the bipolar/major depressive disorder continuum. PMID- 29202178 TI - Clinical and translational science in cardiovascular research: highlights from the American Heart Association Scientific Sessions 2017: Changing view on the concept of cardiovascular risk and blood pressure targets. PMID- 29202176 TI - Distribution and Evolution of Peroxisomes in Alveolates (Apicomplexa, Dinoflagellates, Ciliates). AB - The peroxisome was the last organelle to be discovered and five decades later it is still the Cinderella of eukaryotic compartments. Peroxisomes have a crucial role in the detoxification of reactive oxygen species, the beta-oxidation of fatty acids, and the biosynthesis of etherphospholipids, and they are assumed to be present in virtually all aerobic eukaryotes. Apicomplexan parasites including the malaria and toxoplasmosis agents were described as the first group of mitochondriate protists devoid of peroxisomes. This study was initiated to reassess the distribution and evolution of peroxisomes in the superensemble Alveolata (apicomplexans, dinoflagellates, ciliates). We established transcriptome data from two chromerid algae (Chromera velia, Vitrella brassicaformis), and two dinoflagellates (Prorocentrum minimum, Perkinsus olseni) and identified the complete set of essential peroxins in all four reference species. Our comparative genome analysis provides unequivocal evidence for the presence of peroxisomes in Toxoplasma gondii and related genera. Our working hypothesis of a common peroxisomal origin of all alveolates is supported by phylogenetic analyses of essential markers such as the import receptor Pex5. Vitrella harbors the most comprehensive set of peroxisomal proteins including the catalase and the glyoxylate cycle and it is thus a promising model organism to investigate the functional role of this organelle in Apicomplexa. PMID- 29202179 TI - Extensively re-organized systemic lymph nodes provide a feasible environment for self-reactivity in lupus-prone NZB * NZW F1 mice. AB - Lymphadenopathy is a frequently observed symptom in systemic lupus erythematosus, although the immunological role of lymph nodes (LNs) in systemic autoimmunity remains largely unknown. Here, we performed comprehensive and systematic analyses of LNs in lupus-prone NZB * NZW F1 (BWF1) mice, demonstrating extensive tissue re organization of the systemic LNs with follicular expansion, hyper germinal center (GC) formation, atrophy of the paracortical T-cell area and expansion of the medulla in aged BWF1 mice bearing glomerulonephritis. The proportion of B cells was significantly increased in these reactive LNs but not in the spleen, and lymphocyte subsets involved in antibody production, i.e. GC B cells, follicular helper T cells and plasma cells, were elevated. Draining LNs of the affected organs, such as the renal and cervical nodes, showed enhanced tissue re organization and accumulation of effector lymphocytes, suggesting the presence of a positive feedback loop of regional responses. LN cells isolated from disease bearing animals produced anti-DNA antibody, indicating activation of autoreactive lymphocytes in situ. The substantial development of disease and LN alterations in mice that received a splenectomy at a young age points to the importance of other secondary lymphoid organs, most likely LNs, for the progression of autoimmune responses independent of the spleen. Taken together, our findings highlight the value of taking LN alterations and activities into consideration for understanding the pathogenesis of systemic autoimmunity. PMID- 29202180 TI - Emergence and Spread of Epidemic Multidrug-Resistant Pseudomonas aeruginosa. AB - Pseudomonas aeruginosa (P. aeruginosa) is one of the most common nosocomial pathogens worldwide. Although the emergence of multidrug-resistant (MDR) P. aeruginosa is a critical problem in medical practice, the key features involved in the emergence and spread of MDR P. aeruginosa remain unknown. This study utilized whole genome sequence (WGS) analyses to define the population structure of 185 P. aeruginosa clinical isolates from several countries. Of these 185 isolates, 136 were categorized into sequence type (ST) 235, one of the most common types worldwide. Phylogenetic analysis showed that these isolates fell within seven subclades. Each subclade harbors characteristic drug resistance genes and a characteristic genetic background confined to a geographic location, suggesting that clonal expansion following antibiotic exposure is the driving force in generating the population structure of MDR P. aeruginosa. WGS analyses also showed that the substitution rate was markedly higher in ST235 MDR P. aeruginosa than in other strains. Notably, almost all ST235 isolates harbor the specific type IV secretion system and very few or none harbor the CRISPR/CAS system. These findings may help explain the mechanism underlying the emergence and spread of ST235 P. aeruginosa as the predominant MDR lineage. PMID- 29202181 TI - Targeted nanocomplex carrying siRNA against MALAT1 sensitizes glioblastoma to temozolomide. AB - Intrinsic therapeutic resistance especially in cancer stem cells (CSCs) together with extensive tumor cell infiltration and restricted permeation of the blood brain barrier (BBB) by drugs may all contribute to the treatment failure in patients with glioblastoma multiforme (GBM). Accumulating evidence suggests that long non-coding RNA (lncRNA), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) plays a role in tumor cell infiltration and therapeutic resistance of GBM. Using our tumor-targeted nanocomplex, we have modulated the expression of MALAT1 and investigated its impact on GBM cells. Importantly, our nanocomplex is able to target CSCs that are considered to be the prime culprits in therapeutic resistance and recurrence of GBM. Attenuation of MALAT1 by RNA interference significantly lowered the growth, motility and stemness of GBM cells. In addition, silencing of MALAT1 clearly improved the sensitivity of GBM cells to chemotherapeutic agents including the current first-line therapy of GBM [temozolomide (TMZ)]. In animal models of GBM, tumor involution with a modest but statistically significant survival benefit was achieved with concurrent treatment of TMZ and nanocomplex-mediated silencing of MALAT1. These results suggest that combining standard TMZ treatment with lncRNA-targeting therapies using our nanocomplex could substantially enhance the very poor prognosis for GBM patients. PMID- 29202182 TI - Capped RNA primer binding to influenza polymerase and implications for the mechanism of cap-binding inhibitors. AB - Influenza polymerase uses short capped primers snatched from nascent Pol II transcripts to initiate transcription of viral mRNAs. Here we describe crystal structures of influenza A and B polymerase bound to a capped primer in a configuration consistent with transcription initiation ('priming state') and show by functional assays that conserved residues from both the PB2 midlink and cap binding domains are important for positioning the capped RNA. In particular, mutation of PB2 Arg264, which interacts with the triphosphate linkage in the cap, significantly and specifically decreases cap-dependent transcription. We also compare the configuration of the midlink and cap-binding domains in the priming state with their very different relative arrangement (called the 'apo' state) in structures where the potent cap-binding inhibitor VX-787, or a close analogue, is bound. In the 'apo' state the inhibitor makes additional interactions to the midlink domain that increases its affinity beyond that to the cap-binding domain alone. The comparison suggests that the mechanism of resistance of certain mutations that allow virus to escape from VX-787, notably PB2 N510T, can only be rationalized if VX-787 has a dual mode of action, direct inhibition of capped RNA binding as well as stabilization of the transcriptionally inactive 'apo' state. PMID- 29202184 TI - Consideration of insects as a source of dietary protein for human consumption. AB - Consumption of sufficient dietary protein is fundamental to muscle mass maintenance and overall health. Conventional animal-based protein sources such as meat (ie, beef, pork, lamb), poultry, fish, eggs, and dairy are generally considered high-quality sources of dietary protein because they meet all of the indispensable amino-acid requirements for humans and are highly digestible. However, the production of sufficient amounts of conventional animal-based protein to meet future global food demands represents a challenge. Edible insects have recently been proposed as an alternative source of dietary protein that may be produced on a more viable and sustainable commercial scale and, as such, may contribute to ensuring global food security. This review evaluates the protein content, amino-acid composition, and digestibility of edible insects and considers their proposed quality and potential as an alternative protein source for human consumption. PMID- 29202185 TI - Clinical documentation variations and NLP system portability: a case study in asthma birth cohorts across institutions. AB - Objective: To assess clinical documentation variations across health care institutions using different electronic medical record systems and investigate how they affect natural language processing (NLP) system portability. Materials and Methods: Birth cohorts from Mayo Clinic and Sanford Children's Hospital (SCH) were used in this study (n = 298 for each). Documentation variations regarding asthma between the 2 cohorts were examined in various aspects: (1) overall corpus at the word level (ie, lexical variation), (2) topics and asthma-related concepts (ie, semantic variation), and (3) clinical note types (ie, process variation). We compared those statistics and explored NLP system portability for asthma ascertainment in 2 stages: prototype and refinement. Results: There exist notable lexical variations (word-level similarity = 0.669) and process variations (differences in major note types containing asthma-related concepts). However, semantic-level corpora were relatively homogeneous (topic similarity = 0.944, asthma-related concept similarity = 0.971). The NLP system for asthma ascertainment had an F-score of 0.937 at Mayo, and produced 0.813 (prototype) and 0.908 (refinement) when applied at SCH. Discussion: The criteria for asthma ascertainment are largely dependent on asthma-related concepts. Therefore, we believe that semantic similarity is important to estimate NLP system portability. As the Mayo Clinic and SCH corpora were relatively homogeneous at a semantic level, the NLP system, developed at Mayo Clinic, was imported to SCH successfully with proper adjustments to deal with the intrinsic corpus heterogeneity. PMID- 29202186 TI - Noncalcemic adverse effects and withdrawals in randomized controlled trials of long-term vitamin D2 or D3 supplementation: a systematic review and meta analysis. AB - Context: Recent randomized controlled trials (RCTs) provide evidence for a possible beneficial impact of vitamin D supplementation on health outcomes beyond bone health, but there are few reviews of noncalcemic adverse effects from long term supplementation. Objective: The aims of this systematic review of vitamin D supplementation in RCTs were as follows: to determine whether all adverse effects, when combined, are reported equally between treatment arms; to identify the most common noncalcemic adverse effects reported; and to ascertain whether withdrawal rates, as a marker of clinical adverse effects, differ between treatment arms. Data Sources: The MEDLINE Ovid, Embase, and Cochrane Library databases were searched systematically up to May 2016. Study Selection: Randomized controlled trials that met the following criteria were selected: administered vitamin D2 or D3 supplements for a minimum supplementation or follow up period of 24 weeks, had a placebo/control group, and were conducted among adults (>= 18 y). Data Extraction: Two researchers independently screened studies for eligibility, extracted data, and carried out quality assessment of selected studies. A total of 128 studies with 52 297 participants were identified. A random-effects model was used to calculate risk ratios in a meta-analysis. Results: Long-term vitamin D2 or D3 supplementation, compared with placebo, did not increase all adverse effects, when combined, as reported in 62 studies with 19 389 participants (relative risk [RR] = 0.97; 95%CI, 0.92-1.02). Vitamin D also did not increase the risk of the most common noncalcemic adverse effects: gastrointestinal symptoms were reported in 27 studies with 9189 participants (RR = 1.01; 95%CI, 0.87-1.17), and dermatological symptoms were reported in 8 studies with 1695 participants (RR = 1.33; 95%CI, 0.82-2.15). Vitamin D did not increase withdrawals from 123 studies with 41 861 participants (RR = 1.03; 95%CI, 0.96 1.09). However, participants given vitamin D were more likely to report withdrawals than those given placebo in studies in which calcium was given in both arms (RR = 1.16; 95%CI, 1.02-1.33) when compared with participants in studies in which calcium was not given in either arm (RR = 1.00; 95%CI, 0.95 1.06; P for interaction = 0.009). Conclusions: Overall, these findings suggest that vitamin D, by itself, does not increase the risk of noncalcemic adverse effects. PMID- 29202187 TI - Identifying Anastrepha (Diptera; Tephritidae) Species Using DNA Barcodes. AB - Molecular identification of fruit flies in the genus Anastrepha (Diptera; Tephritidae) is important to support plant pest exclusion, suppression, and outbreak eradication. Morphological methods of identification of this economically important genus are often not sufficient to identify species when detected as immature life stages. DNA barcoding a segment of the mitochondrial cytochrome oxidase I gene has been proposed as a method to identify pests in the genus. The identification process for these fruit flies, however, has not been explained in prior DNA barcode studies. DNA barcode methods assume that available DNA sequence records are biologically meaningful. These records, however, can be limited to the most common species or lack population-level measurements of diversity for pests. In such cases, the available data used as a reference are insufficient for completing an accurate identification. Using 539 DNA sequence records from 74 species of Anastrepha, we demonstrate that our barcoding data can distinguish four plant pests: Anastrepha grandis (Macquart) (Diptera; Tephritidae), Anastrepha ludens (Loew), Anastrepha serpentina (Wiedemann), and Anastrepha striata Schiner. This is based on genetic distances of barcode records for the pests and expert evaluation of species and population representation in the data set. DNA barcoding of the cytochrome oxidase I gene alone cannot reliably diagnose the pests Anastrepha fraterculus (Wiedemann), Anastrepha obliqua (Macquart), and Anastrepha suspensa (Loew). PMID- 29202188 TI - Estimating the causal effects of chronic disease combinations on 30-day hospital readmissions based on observational Medicaid data. AB - Objective: Demonstrate how observational causal inference methods can generate insights into the impact of chronic disease combinations on patients' 30-day hospital readmissions. Materials and Methods: Causal effect estimation was used to quantify the impact of each risk factor scenario (ie, chronic disease combination) associated with chronic kidney disease and heart failure (HF) for adult Medicaid beneficiaries with initial hospitalizations in 2 New York State counties. The experimental protocol: (1) created matched risk factor and comparator groups, (2) assessed covariate balance in the matched groups, and (3) estimated causal effects and their statistical significance. Causality lattices summarized the impact of chronic disease comorbidities on readmissions. Results: Chronic disease combinations were ordered with respect to their causal impact on readmissions. Of disease combinations associated with HF, the combination of HF, coronary artery disease, and tobacco abuse (in that order) had the highest causal effect on readmission rate (+22.3%); of disease combinations associated with chronic kidney disease, the combination of chronic kidney disease, coronary artery disease, and diabetes had the highest effect (+9.5%). Discussion: Multi hypothesis causal analysis reveals the effects of chronic disease comorbidities on health outcomes. Understanding these effects will guide the development of health care programs that address unique care needs of different patient subpopulations. Additionally, these insights bring new attention to individuals at high risk for readmission based on chronic disease comorbidities, allowing for more personalized attention and prioritization of care. Conclusion: Multi hypothesis causal analysis, a new methodological tool, generates meaningful insights from health care claims data, guiding the design of care and intervention programs. PMID- 29202189 TI - Effects of Pesticides on the Survival of Rove Beetle (Coleoptera: Staphylinidae) and Insidious Flower Bug (Hemiptera: Anthocoridae) Adults. AB - This study determined the direct, indirect, or both effects of pesticides on the rove beetle, Dalotia coriaria (Kraatz) (Coleoptera: Staphylinidae), and the insidious flower bug, Orius insidiosus (Say) (Hemiptera: Anthocoridae). The pesticides evaluated were Capsicum oleoresin extract, garlic oil, and soybean oil; cyantraniliprole; flupyradifurone; GS-omega/kappa-Hxtx-Hv1; Isaria fumosorosea; tolfenpyrad; pyrethrins; and spinosad. One experiment was conducted in a greenhouse with rove beetle adults exposed to growing medium applications of cyantraniliprole. The number of live and dead rove beetle adults was determined after 10 d. Four additional experiments were conducted under laboratory conditions. Rove beetle or insidious flower bug adults were individually placed into Petri dishes with filter paper treated with the pesticides. After 24, 48, 72, and 96 h, the number of live and dead adults of both natural enemies was recorded. GS-omega/kappa-Hxtx-Hv1 (VST-006340LC); tolfenpyrad; Capsicum oleoresin extract, garlic oil, and soybean oil (Captiva); and Isaria fumosorosea were not directly harmful to O. insidiosus (80-100% adult survival). Likewise, the pesticides such as tolfenpyrad, Captiva, and I. fumosoroea were not directly harmful to D. coriaria (80-100% adult survival). D. coriaria was more sensitive to VST-006340LC (40% survival) than O. insidiosus (100% survival), whereas O. insidiosus was more sensitive to flupyradifurone (0% survival) than D. coriaria (80% and 40% survival for both rates tested, respectively). The pesticides pyrethrins, spinosad, flupyradifurone, and combinations of tolfenpyrad and Captiva were directly harmful (<50% adult survival) to both natural enemies. However, none of the pesticides tested affected the ability of O. insidiosus adults to feed on western flower thrips adults. PMID- 29202190 TI - Lack of Truncated IFITM3 Transcripts in Cells Homozygous for the rs12252-C Variant That is Associated With Severe Influenza Infection. AB - Interferon-induced transmembrane 3 (IFITM3) is known to restrict the entry of a range of enveloped viruses. The single nucleotide polymorphism rs12252-C within IFITM3 has been shown to be associated with severe influenza A virus infection. It has been suggested that rs12252-C results in expression of a truncated IFITM3 protein lacking the first 21 amino acids. By performing high-throughput RNA sequencing on primary dendritic cells and peripheral blood mononuclear cells isolated from pandemic H1N1 influenza and human immunodeficiency virus-1 (HIV-1) infected patients we show that full-length IFITM3 mRNA is dominantly expressed (>99%) across all rs12252 genotypes. Full-length IFITM3 protein can be detected in all genotypes. PMID- 29202191 TI - Effect of Fungal Species on the Development and Reproductive Traits of the Fungal Feeding Mite Rhizoglyphus robini (Astigmata: Acaridae). AB - The bulb mite, Rhizoglyphus robini (Claparede; Astigmata: Acaridae), is a cosmopolitan pest with a broad host range, including commercially grown edible fungi in China. In this study, we recorded the development and reproductive traits of the bulb mite reared on four mushroom species: Agaricus bisporus Lange, Pleurotus ostreatus Kumm, Pleurotus pulmonarius (Fr.) Quel., and Lentinula edodes (Berk.) Pegler at six constant temperatures ranging from 15 to 31 degrees C and 80% RH. Developmental time for the immature stages was significantly affected by fungal species, ranging from 9.45 +/- 1.83 d (reared on L. edodes at 31 degrees C) to 26.39 +/- 2.10 d (reared on A. bisporus at 15 degrees C). Edible fungi species significantly affected intrinsic rates of natural increase (rm) at 31 degrees C (varied from 0.23 to 0.28) as did the mite's net reproductive rates (R0) (103.78, 90.43, 70.77, and 97.45, respectively). Longevity, fecundity and female lifespan were dependent on host fungi. PMID- 29202192 TI - Enhancing nutrition with pulses: defining a recommended serving size for adults. AB - Pulses, defined as dry-harvested leguminous crops, include several varieties of beans, peas, lentils, and chickpeas. There is no consensus around a recommended serving size of pulses within a balanced diet, which prevents the development of transregional strategies that rely on consistent messaging to drive increases in consumption. The purpose of this review is to define and disseminate an appropriate target for a minimum serving size of pulses on any given day that can be used in international or collaborative strategies to promote the consumption of pulses. Relevant data were reviewed to examine dietary guidelines across jurisdictions, determine consumption levels of pulses across the globe, evaluate the nutritional composition of pulses in the context of dietary nutrient insufficiency, and assess the impact of pulses on dietary quality. Across a variety of pulses, 100 g of cooked pulses aligned with most regional serving sizes for pulses and provides significant levels of nutrients that are underconsumed by specific age-sex groups. Moreover, 100 g of pulses provides a number of nutrients that qualify for nutrient content claims under regional regulatory frameworks. The data demonstrate that 100 g or 125 mL (0.5 metric cup) of cooked pulses is a reasonable target for aligning strategies that promote the dietary and nutritional attributes of these legumes. PMID- 29202193 TI - SeekDeep: single-base resolution de novo clustering for amplicon deep sequencing. AB - PCR amplicon deep sequencing continues to transform the investigation of genetic diversity in viral, bacterial, and eukaryotic populations. In eukaryotic populations such as Plasmodium falciparum infections, it is important to discriminate sequences differing by a single nucleotide polymorphism. In bacterial populations, single-base resolution can provide improved resolution towards species and strains. Here, we introduce the SeekDeep suite built around the qluster algorithm, which is capable of accurately building de novo clusters representing true, biological local haplotypes differing by just a single base. It outperforms current software, particularly at low frequencies and at low input read depths, whether resolving single-base differences or traditional OTUs. SeekDeep is open source and works with all major sequencing technologies, making it broadly useful in a wide variety of applications of amplicon deep sequencing to extract accurate and maximal biologic information. PMID- 29202194 TI - Insights into the structural and mechanistic basis of multifunctional S. cerevisiae Pif1p helicase. AB - The Saccharomyces cerevisiae Pif1 protein (ScPif1p) is the prototypical member of the Pif1 family of DNA helicases. ScPif1p is involved in the maintenance of mitochondrial, ribosomal and telomeric DNA and suppresses genome instability at G quadruplex motifs. Here, we report the crystal structures of a truncated ScPif1p (ScPif1p237-780) in complex with different ssDNAs. Our results have revealed that a yeast-specific insertion domain protruding from the 2B domain folds as a bundle bearing an alpha-helix, alpha16. The alpha16 helix regulates the helicase activities of ScPif1p through interactions with the previously identified loop3. Furthermore, a biologically relevant dimeric structure has been identified, which can be further specifically stabilized by G-quadruplex DNA. Basing on structural analyses and mutational studies with DNA binding and unwinding assays, a potential G-quadruplex DNA binding site in ScPif1p monomers is suggested. Our results also show that ScPif1p uses the Q-motif to preferentially hydrolyze ATP, and a G-rich tract is preferentially recognized by more residues, consistent with previous biochemical observations. These findings provide a structural and mechanistic basis for understanding the multifunctional ScPif1p. PMID- 29202196 TI - Effects of DLC1 Deficiency on Endothelial Cell Contact Growth Inhibition and Angiosarcoma Progression. AB - Background: Deleted in Liver Cancer 1 (DLC1) is a tumor suppressor gene frequently deleted in cancer. However, DLC1 is not known to be deleted in angiosarcoma, an aggressive malignancy of endothelial cell derivation. Additionally, the physiologic functions of DLC1 protein in endothelial cells are poorly defined. Methods: We investigated the effects of shRNA-induced DLC1 depletion in endothelial cells. Cell growth was measured by 3H thymidine incorporation, IncuCyte imaging, and population doublings; cell death by cell cycle analysis; gene expression by Affimetrix arrays and quantitative polymerase chain reaction; NF-kappaB activity by reporter assays; and protein levels by immunoblotting and immunofluorescence staining. We tested Tanespimycin/17-AAG and Fasudil treatment in groups of nine to 10 mice bearing ISOS-1 angiosarcoma. All statistical tests were two-sided. Results: We discovered that DLC1 is a critical regulator of cell contact inhibition of proliferation in endothelial cells, promoting statistically significant (P < .001) cell death when cells are confluent (mean [SD] % viability: control DLC1 = 15.6 [19.3]; shDLC1 = 73.4 [13.1]). This prosurvival phenotype of DLC1-depleted confluent endothelial cells is attributable to a statistically significant and sustained increase of NF kappaB activity (day 5, P = .001; day 8, P = .03) associated with increased tumor necrosis factor alpha-induced protein 3 (TNFAIP3/A20) signaling. Consistently, we found that DLC1 is statistically significantly reduced (P < .001 in 5 of 6) and TNFAIP3/A20 is statistically significantly increased (P < .001 in 2 of 3 and P = 0.02 in 1 of 3) in human angiosarcoma compared with normal adjacent endothelium. Treatment with the NF-kappaB inhibitor Tanespimycin/17-AAG statistically significantly reduced angiosarcoma tumor growth in mice (treatment tumor weight vs control, 0.50 [0.19] g vs 0.91 [0.21] g, P = .001 experiment 1; 0.66 [0.26] g vs 1.10 [0.31] g, P = .01 experiment 2). Conclusions: These results identify DLC1 as a previously unrecognized regulator of endothelial cell contact inhibition of proliferation that is depleted in angiosarcoma and support NF-kappaB targeting for the treatment of angiosarcoma where DLC1 is lost. PMID- 29202197 TI - Unfertilized ovary pushes wheat flower open for cross-pollination. AB - Bread wheat is strongly autogamous; however, an opportunity for outcrossing occurs when self-pollination fails and florets open. The first phase of floret opening at anthesis is short and induced by lodicule turgidity. Some wheat florets re-open post-anthesis for several days, known as the 'second opening', for which the underlying mechanisms are largely unknown. We performed detailed physiological, anatomical, and histological investigations to understand the biological basis of the flower opening process. Wheat florets were observed open when the ovary was unfertilized. Unfertilized ovaries significantly increased in radial size post-anthesis, pushing the lemma and palea apart to open the florets. The absence of fertile pollen was not directly linked to this, but anther filament elongation coincided with initiation of ovary swelling. The pericarp of unfertilized ovaries did not undergo degeneration as normally seen in developing grains, instead pericarp cells remained intact and enlarged, leading to increased ovary radial size. This is a novel role for the ovary pericarp in wheat flower opening, and the knowledge is useful for facilitating cross-pollination in hybrid breeding. Ovary swelling may represent a survival mechanism in autogamous cereals such as wheat and barley, ensuring seed set in the absence of self-fertilization and increasing genetic diversity through cross-pollination. PMID- 29202198 TI - Adverse effects of gluten ingestion and advantages of gluten withdrawal in nonceliac autoimmune disease. AB - In light of the coincident surge in overall gluten intake and the incidence of autoimmune diseases, the possible biological adverse effects of gluten were explored. PubMed, MEDLINE, and the Cochrane Library databases were screened for reports published between 1964 and 2016 regarding the adverse effects of gluten as well as the effects of a gluten-free diet on autoimmune diseases. In vitro and in vivo studies describing gluten intake in animal models or cell lines and gluten-free diets in human autoimmune diseases were reviewed. Multiple detrimental aspects of gluten affect human health, including gluten-dependent digestive and extradigestive manifestations mediated by potentially immunological or toxic reactions that induce gastrointestinal inadequacy. Gluten affects the microbiome and increases intestinal permeability. It boosts oxidative stress and affects epigenetic behavior. It is also immunogenic, cytotoxic, and proinflammatory. Gluten intake increases apoptosis and decreases cell viability and differentiation. In certain nonceliac autoimmune diseases, gluten-free diets may help curtail the adverse effects of gluten. Additional in vivo studies are needed to unravel the puzzle of gluten effects in humans and to explore the potential beneficial effects of gluten-free diets in autoimmune diseases. PMID- 29202195 TI - Mechanisms of bacterial DNA replication restart. AB - Multi-protein DNA replication complexes called replisomes perform the essential process of copying cellular genetic information prior to cell division. Under ideal conditions, replisomes dissociate only after the entire genome has been duplicated. However, DNA replication rarely occurs without interruptions that can dislodge replisomes from DNA. Such events produce incompletely replicated chromosomes that, if left unrepaired, prevent the segregation of full genomes to daughter cells. To mitigate this threat, cells have evolved 'DNA replication restart' pathways that have been best defined in bacteria. Replication restart requires recognition and remodeling of abandoned replication forks by DNA replication restart proteins followed by reloading of the replicative DNA helicase, which subsequently directs assembly of the remaining replisome subunits. This review summarizes our current understanding of the mechanisms underlying replication restart and the proteins that drive the process in Escherichia coli (PriA, PriB, PriC and DnaT). PMID- 29202199 TI - Drosophila suzukii (Diptera: Drosophilidae) Contributes to the Development of Sour Rot in Grape. AB - This research aimed to more clearly describe the interactions of Drosophila suzukii (Matsumura; Diptera: Drosophilidae) with microorganisms that may contribute to spoilage or quality loss of wine grapes during harvest. Experiments were conducted in controlled laboratory experiments and under field conditions to determine these effects. Laboratory trials determined the role of insect contact and oviposition to vector spoilage bacteria onto wine grapes. In the field, the roles of key organoleptic parameters in grape fruit ripening were assessed to determine their relative contribution to oviposition potential as fruit ripened. Finally, field trials determined the relationships of egg and larval infestation to sour rot levels. Non-ovipositional trials indicated elevated levels of microbiota when D. suzukii was present. D. suzukii oviposition exponentially increased the concentration of acetic acid bacteria. Both incised and sound berries showed a significant increase in concentrations of acetic acid bacteria exposed to D. suzukii. Volatile acidity was higher in treatments infested with D. suzukii. Fruit with only eggs did not develop a significant increase of volatile acidity. Larva-infested grape berries in 9.5% of samples developed higher volatile acidity after 14 d. Sound grape berries were less susceptible to the development of microbiota associated with sour rot and spoilage. D. suzukii oviposition and larval development increase risk of spoilage bacteria vectored by D. suzukii adults. Acetic acid bacteria induced fermentation and produced several volatile compounds contributing to spoilage. Spoilage bacteria may create a positive feedback loop that attracts both D. suzukii and other drosophilids, which may contribute to additional spoilage. PMID- 29202201 TI - Prevalence and Seasonality of Fleas Associated With California Ground Squirrels and the Potential Risk of Tularemia in an Outdoor Non-Human Primate Research Facility. AB - Ectoparasites at primate research centers may be difficult to control, e.g. without exposing non-human primates (NHPs) to toxicants, but their impact on NHP health is poorly understood. In 2010, there was an epizootic of tularemia at the California National Primate Research Center (CNPRC) in Yolo County, California that resulted in 20 confirmed and suspect clinical cases in outdoors housed rhesus macaques (Macaca mulatta [Zimmermann]) and a 53% seroprevalence in the southern section of the colony. We studied ectoparasite burdens at the CNPRC in order to understand possible conditions at the time of the epizootic and provide data for the management of ectoparasites for the future. In 2015, we recorded 52 California ground squirrel (Otospermophilus beecheyi [Richardson]) burrow systems in the southern colony and collected 560 fleas. The largest number of fleas (n = 184) was collected in October and the most common species were Hoplopsyllus anomalus (Baker) (n = 331), Oropsylla montana (Baker) (n = 158), Echidnophaga gallinacea (Westwood) (n = 60), and Ctenocephalides felis (Bouche) (n = 11), all of which are opportunistically anthropophilic. Free, non-host-associated fleas included 12 H. anomalus, 9 C. felis, 6 O. Montana, and 1 E. gallinacea. We collected 1 H. anomalus from a rhesus macaque. Our results suggest a high potential for the rapid spread of zoonotic infectious diseases via flea transmission in primate facilities with ground squirrels and that flea control measures should be given a high priority. PMID- 29202200 TI - Alternative start and termination sites of transcription drive most transcript isoform differences across human tissues. AB - Most human genes generate multiple transcript isoforms. The differential expression of these isoforms can help specify cell types. Diverse transcript isoforms arise from the use of alternative transcription start sites, polyadenylation sites and splice sites; however, the relative contribution of these processes to isoform diversity in normal human physiology is unclear. To address this question, we investigated cell type-dependent differences in exon usage of over 18 000 protein-coding genes in 23 cell types from 798 samples of the Genotype-Tissue Expression Project. We found that about half of the expressed genes displayed tissue-dependent transcript isoforms. Alternative transcription start and termination sites, rather than alternative splicing, accounted for the majority of tissue-dependent exon usage. We confirmed the widespread tissue dependent use of alternative transcription start sites in a second, independent dataset, Cap Analysis of Gene Expression data from the FANTOM consortium. Moreover, our results indicate that most tissue-dependent splicing involves untranslated exons and therefore may not increase proteome complexity. Thus, alternative transcription start and termination sites are the principal drivers of transcript isoform diversity across tissues, and may underlie the majority of cell type specific proteomes and functions. PMID- 29202202 TI - Phlebotomus halepensis (Diptera: Psychodidae) Vectorial Capacity in Afyon and Nigde Province, Turkey. AB - Leishmaniasis is a one of the vector-borne diseases and has two clinical forms in Turkey: cutaneous and visceral. The aim of this study was to determine the sand fly fauna in Afyon and Nigde provinces where endemic foci of cutaneous leishmaniasis (CL) in Turkey. In Afyon, 2,259 sand flies were collected in 73 locations in August 2009 and August 2010, using CDC light traps. In total, eight Phlebotomus species were identified; Phlebotomus halepensis (47.41%), Phlebotomus papatasi (31.42%), Phlebotomus neglectus/syriacus (9.38%), Phlebotomus balcanicus (7.48%), Phlebotomus simici (2.12%), Phlebotomus perfiliewi (1.90%), Phlebotomus sergenti (0.08%), Phlebotomus similis (0.13%), and Sergentomyia dentata (0.04%). A total of 418 sand fly specimens were caught by CDC light traps in 40 stations in Nigde in September 2009 and September 2010. In total, seven Phlebotomus species were identified; P. halepensis (74.16%), P. simici (13.87%), P. papatasi (3.82%), P. neglectus/syriacus (2.87%), P. balcanicus (2.63%), P. sergenti (2.39%), and Phlebotomus tobbi (0.23%). Collected sand flies were examined by microscope, and no promastigotes were found in their midguts. We categorized and pooled female specimens (1,031 females, 73 pools of 2-33 individuals). Leishmania species-specific ITS1 real-time PCR assay was performed for detection and identification of parasites. We detected 6 of the 73 pools with Leishmania tropica (Ross, 1903), (Trypanosomatidae). In conclusion, P. halepensis was found to be dominant species in both areas. We are in opinion that our findings support P. halepensis vectorial role for L. tropica in nature and it could be responsible for the transmission of L. tropica in these endemic areas. PMID- 29202203 TI - User needs analysis and usability assessment of DataMed - a biomedical data discovery index. AB - Objective: To present user needs and usability evaluations of DataMed, a Data Discovery Index (DDI) that allows searching for biomedical data from multiple sources. Materials and Methods: We conducted 2 phases of user studies. Phase 1 was a user needs analysis conducted before the development of DataMed, consisting of interviews with researchers. Phase 2 involved iterative usability evaluations of DataMed prototypes. We analyzed data qualitatively to document researchers' information and user interface needs. Results: Biomedical researchers' information needs in data discovery are complex, multidimensional, and shaped by their context, domain knowledge, and technical experience. User needs analyses validate the need for a DDI, while usability evaluations of DataMed show that even though aggregating metadata into a common search engine and applying traditional information retrieval tools are promising first steps, there remain challenges for DataMed due to incomplete metadata and the complexity of data discovery. Discussion: Biomedical data poses distinct problems for search when compared to websites or publications. Making data available is not enough to facilitate biomedical data discovery: new retrieval techniques and user interfaces are necessary for dataset exploration. Consistent, complete, and high quality metadata are vital to enable this process. Conclusion: While available data and researchers' information needs are complex and heterogeneous, a successful DDI must meet those needs and fit into the processes of biomedical researchers. Research directions include formalizing researchers' information needs, standardizing overviews of data to facilitate relevance judgments, implementing user interfaces for concept-based searching, and developing evaluation methods for open-ended discovery systems such as DDIs. PMID- 29202204 TI - Cost-effectiveness of yoga for managing musculoskeletal conditions in the workplace. AB - Background: Back pain and musculoskeletal conditions negatively affect the health related quality of life (HRQL) of employees and generate substantial costs to employers. Aims: To assess the cost-effectiveness of yoga for managing musculoskeletal conditions. Methods: A randomized controlled trial evaluated an 8 week yoga programme, with a 6-month follow-up, for National Health Service (NHS) employees. Effectiveness in managing musculoskeletal conditions was assessed using repeated-measures generalized linear modelling for the Roland-Morris Disability Questionnaire (RDQ) and the Keele STarT Back Screening Tool. Cost effectiveness was determined using area-under-the-curve linear regression for assessing HRQL from healthcare and societal perspectives. The incremental cost per quality-adjusted life year (QALY) was also calculated. Sickness absence was measured using electronic staff records at 6 months. Results: There were 151 participants. At 6 months, mean differences between groups favouring yoga were observed for RDQ [-0.63 (95% CI, -1.78, 0.48)], Keele STarT [-0.28 (95% CI, 0.97, 0.07)] and HRQL (0.016 QALY gain). From a healthcare perspective, yoga yielded an incremental cost-effectiveness ratio of L2103 per QALY. Given a willingness to pay for an additional QALY of L20 000, the probability of yoga being cost-effective was 95%. From a societal perspective, yoga was the dominant treatment compared with usual care. At 6 months, electronic staff records showed that yoga participants missed a total of 2 working days due to musculoskeletal conditions compared with 43 days for usual care participants. Conclusions: Yoga for NHS employees may enhance HRQL, reduce disability associated with back pain, lower sickness absence due to musculoskeletal conditions and is likely to be cost effective. PMID- 29202205 TI - 3D-MICE: integration of cross-sectional and longitudinal imputation for multi analyte longitudinal clinical data. AB - Objective: A key challenge in clinical data mining is that most clinical datasets contain missing data. Since many commonly used machine learning algorithms require complete datasets (no missing data), clinical analytic approaches often entail an imputation procedure to "fill in" missing data. However, although most clinical datasets contain a temporal component, most commonly used imputation methods do not adequately accommodate longitudinal time-based data. We sought to develop a new imputation algorithm, 3-dimensional multiple imputation with chained equations (3D-MICE), that can perform accurate imputation of missing clinical time series data. Methods: We extracted clinical laboratory test results for 13 commonly measured analytes (clinical laboratory tests). We imputed missing test results for the 13 analytes using 3 imputation methods: multiple imputation with chained equations (MICE), Gaussian process (GP), and 3D-MICE. 3D-MICE utilizes both MICE and GP imputation to integrate cross-sectional and longitudinal information. To evaluate imputation method performance, we randomly masked selected test results and imputed these masked results alongside results missing from our original data. We compared predicted results to measured results for masked data points. Results: 3D-MICE performed significantly better than MICE and GP-based imputation in a composite of all 13 analytes, predicting missing results with a normalized root-mean-square error of 0.342, compared to 0.373 for MICE alone and 0.358 for GP alone. Conclusions: 3D-MICE offers a novel and practical approach to imputing clinical laboratory time series data. 3D-MICE may provide an additional tool for use as a foundation in clinical predictive analytics and intelligent clinical decision support. PMID- 29202206 TI - Ehrlichia and Anaplasma Infections: Serological Evidence and Tick Surveillance in Peninsular Malaysia. AB - Little information is available on human anaplasmosis and ehrlichiosis in Southeast Asia despite increasing reports of the detection of Anaplasma spp. and Ehrlichia spp. in the ticks. We report herein the serological findings against the tick-borne pathogens in a group of animal farm workers (n = 87) and indigenous people (n = 102) in Peninsular Malaysia. IgG antibodies against Ehrlichia chaffeensis were detected from 29.9% and 34.3% of farm workers and indigenous people, respectively, using commercial indirect immunofluorescence assays. Comparatively, only 6.9% of the indigenous people but none of the animal farm workers were seropositive to Anaplasma phagocytophilum. A polymerase chain reaction (PCR) assay targeting the 16S rRNA gene of Anaplasmataceae was used to identify Anaplastamataceae in ticks collected from various locations adjacent to the areas where the serological survey was conducted. In this study, a total of 61.5% of ticks infesting farm animals, 37.5% of ticks infesting peri-domestic animals in rural villages, 27.3% of ticks collected from wildlife animals, and 29.1% of questing ticks collected from forest vegetation were positive for Anaplasmataceae DNA. Sequence analyses of 16S rRNA gene region (238 bp) provide the identification for Anaplasma marginale, Anaplasma bovis, Anaplasma platys, A. phagocytophilum, and Anaplasma spp. closely related to Candidatus Cryptoplasma californiense in ticks. E. chaffeensis DNA was not detected from any ticks, instead, Ehrlichia sp. strain EBm52, Ehrlichia mineirensis and Candidatus Ehrlichia shimanensis are the only Ehrlichia sp. identified from cattle ticks in this study. Further investigation is required to ascertain the occurrence of zoonotic transmission of Ehrlichia and Anaplasma infections in Peninsular Malaysia. PMID- 29202207 TI - Tecarfarin: A Novel Vitamin K Antagonist. PMID- 29202208 TI - Therapeutic Shifts in the Management of Cancer-Associated Thrombosis. PMID- 29202209 TI - Dabigatran versus Warfarin for Acute Venous Thromboembolism in Elderly or Impaired Renal Function Patients: Pooled Analysis of RE-COVER and RE-COVER II. AB - Management of acute venous thromboembolism (VTE) with anticoagulants in elderly patients and those with chronic kidney disease poses special challenges. The RE COVER and RE-COVER II trials showed that dabigatran 150 mg twice daily was as effective as warfarin over 6 months in preventing recurrent VTE, with a lower bleeding risk. We now assess the effects of old age and renal impairment (RI) on pooled trial outcomes in 5,107 patients: 4,504 aged <75 years and 603 aged >=75 years. The primary efficacy outcome was symptomatic VTE/VTE-related death. Safety outcomes were centrally adjudicated major bleeding events (MBEs), MBEs or clinically relevant non-major bleeding events (MBEs/CRBEs) and any bleeds. Baseline renal function was categorized as normal, mild RI or moderate RI. A total of 3,698 had normal renal function and 1,100 and 237 had mild and moderate RI, respectively (23 patients with severe RI and 49 with missing creatinine clearance data were not included). For dabigatran, VTE/VTE-related death decreased from 3.1% (normal renal function) to 1.9% for mild RI and to 0.0% for moderate RI. For warfarin, the event rates were 2.6, 1.6 and 4.1%, respectively. Overall, major bleeding increased with increasing RI (p = 0.0037) and with age (p = 0.4350), with no apparent difference between the dabigatran and warfarin patients. Dabigatran shows better efficacy than warfarin in RI and in the elderly patients, probably because of an increase in the concentration of dabigatran. However, bleeding risk increases with both dabigatran and warfarin in the presence of RI. PMID- 29202210 TI - Differential Effects on Haemostatic Markers by Metformin and the Contraceptive Pill: A Randomized Comparative Trial in PCOS. AB - Background Polycystic ovarian syndrome (PCOS) affects up to 18% of reproductive aged women with increased risks of cardiovascular disease and venous thromboembolic disease, related to metabolic and hormonal features, obesity and an apparent hypofibrinolytic state, possibly exacerbated by current PCOS treatments. Objective To investigate and compare haemostatic impacts of common pharmacological treatments and explore relationships with hormonal and metabolic variables in PCOS. Patients/Methods This mechanistic sub-study using biobanked samples from a 6-month randomized comparative trial of pharmacological treatments assessed pro- and anti-thrombotic markers and overall haemostatic activity. Overweight women of mean age 33.9 +/- 6.7 years and mean BMI (body mass index) of 36.5 +/- 7.0 kg/m2 with PCOS (n = 60) were randomized to either metformin, higher dose oral contraceptive pill (OCP) or low-dose OCP + spironolactone (OCP + S). Primary outcome measures included changes in plasminogen activator inhibitor 1 (PAI-1), asymmetric dimethylarginine (ADMA), prothrombin fragments 1 and 2 (PF1 and 2), plasminogen, tissue plasminogen activator (tPA), thrombin activatable fibrinolysis inhibitor (TAFI) and thrombin generation (TG). Results PAI-1 activity fell in all groups, ADMA fell in higher-dose OCP, PF1 and 2 increased with metformin and higher-dose OCP, TG rose and tPA fell in both OCP groups, plasminogen increased in all and TAFI increased after higher-dose OCP. Conclusion Endothelial function (primary haemostasis) improved with higher dose with some improvement in low-dose OCP + S and metformin. Aberrant coagulation was noted in both OCP groups, but not with metformin. Fibrinolysis was reduced with higher dose OCP. Our work suggests an additional dimension of treatment (haemostatic system effects) that favours metformin treatment over the OCP in PCOS. PMID- 29202211 TI - Acute Haemarthrosis in the Haemophilia A Rat Generates a Local and Systemic Proinflammatory Response. AB - Background Replacement therapy with coagulation factor VIII (FVIII) concurrent with bleeds (on-demand) in haemophilia A (HA) patients has been hypothesized to increase the risk for antidrug antibodies (inhibitors). A danger signal environment, characterized by tissue damage and inflammation at the site of a bleed, is thought to contribute to the anti-FVIII response. The nature of this inflammatory reaction is, however, not fully known, and new insights will be valuable for both managing inhibitors and understanding arthropathy development. Objective To characterize the inflammatory response, locally and systemically, during the first 24 hours following a joint bleed in the HA rat. Methods HA rats received a needle-induced knee joint bleed (n = 83) or a sham procedure (n = 41). Blood samples were collected at selected time points from 0 to 24 hours post injury/sham. Synovial fluid, intra-articular knee tissue and popliteal lymph nodes were collected at 24 hours. Cytokine/chemokine concentrations and gene expression were measured. Results Gene expression analysis revealed a rapid inflammatory response in the injured knees, accompanied by significantly increased levels of specific gene products in the synovial fluid; IL-1beta, TNFalpha, KC/GRO, IL-6, Eotaxin, MCP-1, MCP-3, MIP-1alpha, MIP-2, RANTES, A2M and AGP. Plasma analysis demonstrated significantly increased systemic levels of KC/GRO and IL-6 in injured rats already after 5 to 6 hours. Conclusion A rapid proinflammatory response, locally and systemically, characteristic of innate immunity, was demonstrated. Results reveal a more comprehensive inflammatory picture than previously shown, with resemblance to human haemophilic arthropathy, and with unique correlation between gene expression level, synovial concentration and plasma concentration in individual rats. PMID- 29202212 TI - Nebulized Heparin Attenuates Pulmonary Coagulopathy and Inflammation through Alveolar Macrophages in a Rat Model of Acute Lung Injury. AB - Objective Alveolar macrophages play a key role in the development and resolution of acute respiratory distress syndrome (ARDS), modulating the inflammatory response and the coagulation cascade in lungs. Anti-coagulants may be helpful in the treatment of ARDS. This study investigated the effects of nebulized heparin on the role of alveolar macrophages in limiting lung coagulation and inflammatory response in an animal model of acute lung injury (ALI). Methods Rats were randomized to four experimental groups. In three groups, ALI was induced by intratracheal instillation of lipopolysaccharide (LPS) and heparin was nebulized at constant oxygen flow: the LPS/Hep group received nebulized heparin 4 and 8 hours after injury; the Hep/LPS/Hep group received nebulized heparin 30 minutes before and 4 and 8 hours after LPS-induced injury; the LPS/Sal group received nebulized saline 4 and 8 hours after injury. The control group received only saline. Animals were exsanguinated 24 hours after LPS instillation. Lung tissue, bronchoalveolar lavage fluid (BALF) and alveolar macrophages isolated from BALF were analysed. Results LPS increased protein concentration, oedema and neutrophils in BALF as well as procoagulant and proinflammatory mediators in lung tissue and alveolar macrophages. In lung tissue, nebulized heparin attenuated ALI through decreasing procoagulant (tissue factor, thrombin-anti-thrombin complexes, fibrin degradation products) and proinflammatory (interleukin 6, tumour necrosis factor alpha) pathways. In alveolar macrophages, nebulized heparin reduced expression of procoagulant genes and the effectors of transforming growth factor beta (Smad 2, Smad 3) and nuclear factor kappa B (p-selectin, CCL-2). Pre treatment resulted in more pronounced attenuation. Conclusion Nebulized heparin reduced pulmonary coagulopathy and inflammation without producing systemic bleeding, partly by modulating alveolar macrophages. PMID- 29202215 TI - Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Dabigatran Etexilate Oral Liquid Formulation in Infants with Venous Thromboembolism. AB - Venous thromboembolism (VTE) is more frequent in infants than in older children. Treatment guidelines in children are adapted from adult VTE data, but do not currently include direct oral anticoagulant use. Dabigatran etexilate (DE) use in the paediatric population with VTE therefore requires verification. We investigated the pharmacokinetic/pharmacodynamic (PK/PD) relationship, safety and tolerability of DE oral liquid formulation (OLF) in infants with VTE (aged < 12 months) who had completed standard anticoagulant treatment in an open-label, phase IIa study. Patients received a single-dose of DE OLF (based on an age- and weight-adjusted nomogram) yielding an exposure comparable to 150 mg in adults. The PK end point was plasma concentration of total dabigatran; PD end points included activated partial thromboplastin time (aPTT), ecarin clotting time (ECT) and diluted thrombin time (dTT). Safety end points included incidence of all bleeding and other adverse events (AEs). Ten patients were screened; eight entered the study (age range, 41-169 days). The geometric mean (gMean) total dabigatran plasma concentrations 2 hours post-dose (around peak concentrations) were 120 ng/mL with a geometric coefficient of variation (gCV) of 62.1%. The gMean at 12 hours post-dosing was 60.4 ng/mL (gCV 30%). PK/PD relationship was linear for ECT and dTT (R2 = 0.858 and 0.920, respectively), while total dabigatran concentration and aPTT showed a non-linear correlation. There were no deaths, treatment discontinuations or treatment-related AEs. In conclusion, DE was well tolerated without any treatment-related AEs in infants. The observed PK/PD relationships were comparable with the established profile in older patients with VTE. PMID- 29202217 TI - DNA Modulates the Interaction of Genetically Engineered DNA-Binding Proteins and Gold Nanoparticles: Diagnosis of High-Risk HPV Infection. AB - Gene detection has an important role in diagnosing several serious diseases and genetic defects in modern clinical medicine. Herein, we report a fast and convenient gene detection method based on the modulation of the interaction between a heat-resistant double-stranded DNA (dsDNA)-binding protein (Sso7d) and gold nanoparticles (Au NPs). We prepared a recombinant Cys-Sso7d, which is Sso7d with an extra cysteine (Cys) residue in the N-terminus, through protein engineering to control the interaction between Sso7d and Au NPs. Cys-Sso7d exhibited a stronger affinity for Au NPs and more easily induced the aggregation of Au NPs than Sso7d. In addition, Cys-Sso7d retained its ability to bind with dsDNA. The aggregation of Au NPs induced by Cys-Sso7d was diminished in the presence of dsDNA, which could be utilized as a transduction mechanism for the detection of the polymerase chain reaction (PCR) products of human papillomavirus (HPV) gene fragments (HPV types 16 and 18). The Cys-Sso7d/Au NP probe could detect as few as 1 copy of the HPV gene. The sensitivity and specificity of the Cys-Sso7d/Au NP probe for Pap smear clinical specimens (n = 52) for HPV 16 and HPV 18 detection were 85.7%/100.0% and 85.7%/91.7%, respectively. Our results demonstrate that the Cys-Sso7d/Au NP probe can be used to diagnose high-risk HPV types in Pap smear samples with high sensitivity, specificity, and accuracy. PMID- 29202216 TI - Type II-C CRISPR-Cas9 Biology, Mechanism, and Application. AB - Genome editing technologies have been revolutionized by the discovery of prokaryotic RNA-guided defense system called CRISPR-Cas. Cas9, a single effector protein found in type II CRISPR systems, has been at the heart of this genome editing revolution. Nearly half of the Cas9s discovered so far belong to the type II-C subtype but have not been explored extensively. Type II-C CRISPR-Cas systems are the simplest of the type II systems, employing only three Cas proteins. Cas9s are central players in type II-C systems since they function in multiple steps of the CRISPR pathway, including adaptation and interference. Type II-C CRISPR systems are found in bacteria and archaea from very diverse environments, resulting in Cas9s with unique and potentially useful properties. Certain type II C Cas9s possess unusually long PAMs, function in unique conditions (e.g., elevated temperature), and tend to be smaller in size. Here, we review the biology, mechanism, and applications of the type II-C CRISPR systems with particular emphasis on their Cas9s. PMID- 29202218 TI - Biocompatible Amphiphilic Hydrogel-Solid Dimer Particles as Colloidal Surfactants. AB - Emulsions of two immiscible liquids can slowly coalesce over time when stabilized by surfactant molecules. Pickering emulsions stabilized by colloidal particles can be much more stable. Here, we fabricate biocompatible amphiphilic dimer particles using a hydrogel, a strongly hydrophilic material, and achieve large contrast in the wetting properties of the two bulbs, resulting in enhanced stabilization of emulsions. We generate monodisperse single emulsions of alginate and shellac solution in oil using a flow-focusing microfluidics device. Shellac precipitates from water and forms a solid bulb at the periphery of the droplet when the emulsion is exposed to acid. Molecular interactions result in amphiphilic dimer particles that consist of two joined bulbs: one hydrogel bulb of alginate in water and the other hydrophobic bulb of shellac. Alginate in the hydrogel compartment can be cross-linked using calcium cations to obtain stable particles. Analogous to surfactant molecules at the interface, the resultant amphiphilic particles stand at the water/oil interface with the hydrogel bulb submerged in water and the hydrophobic bulb in oil and are thus able to stabilize both water-in-oil and oil-in-water emulsions, making these amphiphilic hydrogel solid particles ideal colloidal surfactants for various applications. PMID- 29202219 TI - Direct Single-Molecule Observation of Mode and Geometry of RecA-Mediated Homology Search. AB - Genomic integrity, when compromised by accrued DNA lesions, is maintained through efficient repair via homologous recombination. For this process the ubiquitous recombinase A (RecA), and its homologues such as the human Rad51, are of central importance, able to align and exchange homologous sequences within single stranded and double-stranded DNA in order to swap out defective regions. Here, we directly observe the widely debated mechanism of RecA homology searching at a single-molecule level using high-speed atomic force microscopy (HS-AFM) in combination with tailored DNA origami frames to present the reaction targets in a way suitable for AFM-imaging. We show that RecA nucleoprotein filaments move along DNA substrates via short-distance facilitated diffusions, or slides, interspersed with longer-distance random moves, or hops. Importantly, from the specific interaction geometry, we find that the double-stranded substrate DNA resides in the secondary DNA binding-site within the RecA nucleoprotein filament helical groove during the homology search. This work demonstrates that tailored DNA origami, in conjunction with HS-AFM, can be employed to reveal directly conformational and geometrical information on dynamic protein-DNA interactions which was previously inaccessible at an individual single-molecule level. PMID- 29202220 TI - One-Step Treatment of Spin-Orbit Coupling and Electron Correlation in Large Active Spaces. AB - In this work we demonstrate that the heat bath configuration interaction (HCI) and its semistochastic extension can be used to treat relativistic effects and electron correlation on an equal footing in large active spaces to calculate the low energy spectrum of several systems including halogen group atoms (F, Cl, Br, I), coinage atoms (Cu, Au), and the neptunyl(VI) dioxide radical. This work demonstrates that despite a significant increase in the size of the Hilbert space due to spin symmetry breaking by the spin-orbit coupling terms, HCI retains the ability to discard large parts of the low importance Hilbert space to deliver converged absolute and relative energies. For instance, by using just over 107 determinants we get converged excitation energies for Au atom in an active space containing (150o,25e) which has over 1030 determinants. We also investigate the accuracy of five different two-component relativistic Hamiltonians in which different levels of approximations are made in deriving the one-electron and two electrons Hamiltonians, ranging from Breit-Pauli (BP) to various flavors of exact two-component (X2C) theory. The relative accuracy of the different Hamiltonians are compared on systems that range in atomic number from first row atoms to actinides. PMID- 29202221 TI - Sperm-Hybrid Micromotor for Targeted Drug Delivery. AB - A sperm-driven micromotor is presented as a targeted drug delivery system, which is appealing to potentially treat diseases in the female reproductive tract. This system is demonstrated to be an efficient drug delivery vehicle by first loading a motile sperm cell with an anticancer drug (doxorubicin hydrochloride), guiding it magnetically, to an in vitro cultured tumor spheroid, and finally freeing the sperm cell to deliver the drug locally. The sperm release mechanism is designed to liberate the sperm when the biohybrid micromotor hits the tumor walls, allowing it to swim into the tumor and deliver the drug through the sperm-cancer cell membrane fusion. In our experiments, the sperm cells exhibited a high drug encapsulation capability and drug carrying stability, conveniently minimizing toxic side effects and unwanted drug accumulation in healthy tissues. Overall, sperm cells are excellent candidates to operate in physiological environments, as they neither express pathogenic proteins nor proliferate to form undesirable colonies, unlike other cells or microorganisms. This sperm-hybrid micromotor is a biocompatible platform with potential application in gynecological healthcare, treating or detecting cancer or other diseases in the female reproductive system. PMID- 29202222 TI - Seven Year Itch: Pan-Assay Interference Compounds (PAINS) in 2017-Utility and Limitations. AB - Pan-Assay Interference Compounds (PAINS) are very familiar to medicinal chemists who have spent time fruitlessly trying to optimize these nonprogressible compounds. Electronic filters formulated to recognize PAINS can process hundreds and thousands of compounds in seconds and are in widespread current use to identify PAINS in order to exclude them from further analysis. However, this practice is fraught with danger because such black box treatment is simplistic. Here, we outline for the first time all necessary considerations for the appropriate use of PAINS filters. PMID- 29202223 TI - Energy Gaps of Polyradicals from an Effective and Transferable Hamiltonian with through-Bond Interactions. AB - Current model Hamiltonians and ab initio many-body quantum treatments of pi conjugated polyradicals formed from hydrocarbons produce divergent results because of numerical complexity and large size of the basis-function set used. We propose an alternative, three-term Hamiltonian, to describe these various polyradicals that simplifies considerably the computational cost while providing a physical interpretation for all three terms and a high degree of model universality. The essential feature of this Hamiltonian is a term, not present in previous models, describing the three-sited through-bond interaction that governs the noninteracting spin-up and spin-down sectors. A computation of the lowest energy gaps and spin configurations for the smaller polyradicals demonstrates the efficacy of the model and its potential in applications in revealing electrical conductivity and ferromagnetism of the more complicated substituted polyradicals. PMID- 29202224 TI - Mussel-Inspired Self-Healing Double-Cross-Linked Hydrogels by Controlled Combination of Metal Coordination and Covalent Cross-Linking. AB - Mussel-inspired hydrogels held together by reversible catecholato-metal coordination bonds have recently drawn great attention owing to their attractive self-healing, viscoelastic and adhesive properties together with their pH responsive nature. A major challenge in these systems is to orchestrate the degree of catechol oxidation that occurs under alkaline conditions in air and has a great impact on the aforementioned properties because it introduces irreversible covalent cross-links to the system, which stiffens the hydrogels but consume catechols needed for self-healing. Herein, we present a catechol-based hydrogel design that allows for the degree of oxidative covalent cross-linking to be controlled. Double cross-linked hydrogels with tunable stiffness are constructed by adding the oxidizable catechol analogue, tannic acid, to an oxidation-resistant hydrogel construct held together by coordination of the dihydroxy functionality of 1-(2'-carboxyethyl)-2-methyl-3-hydroxy-4-pyridinone to trivalent metal ions. By varying the amount of tannic acid, the hydrogel stiffness can be customized to a given application while retaining the self healing capabilities of the hydrogel's coordination chemical component. PMID- 29202225 TI - Synthesis, Characterization, and Biomedical Applications of a Targeted Dual-Modal Near-Infrared-II Fluorescence and Photoacoustic Imaging Nanoprobe. AB - Our development of multifunctional dual-modal imaging probes aims to integrate the benefits from both second near-infrared (NIR-II) fluorescence (1000-1700 nm) and photoacoustic imaging with an ultimate goal of improving overall cancer diagnosis efficacy. Herein we designed a donor-acceptor chromophore based nanoparticle (DAP) as a dual-modal image contrast agent has strong absorption in the NIR-I window and a strong fluorescence emission peak in the NIR-II region. The dual-modal DAPs composed of D-pi-A-pi-D-type chromophores were PEGylated through nanoprecipitation. The multifunctional DAP surface was thus available for subsequent bioconjugation of EGFR Affibody (Ac-Cys-ZEGFR:1907) to target EGFR positive cancers. The Affibody-conjugated DAPs appeared as highly monodisperse nanoparticles (~30 nm) with strong absorption in the NIR-I window (at ca. 680 nm) and an extremely high fluorescence in the NIR-II region (maximum peak at 1000 nm). Consequently, the Affibody-DAPs show significantly enhanced photoacoustic and NIR-II fluorescence contrast effects in both in vitro and in vivo experiments. Moreover, the Affibody-DAPs have the capability to selectively target EGFR-positive tumors in an FTC-133 subcutaneous mouse model with relatively high photoacoustic and fluorescent signals. By taking advantage of high spatial resolution and excellent temporal resolution, photoacoustic/NIR-II fluorescence imaging with targeted dual-modal contrast agents allows us to specifically image and detect various cancers and diseases in an accurate manner. PMID- 29202226 TI - Stretchable Ti3C2Tx MXene/Carbon Nanotube Composite Based Strain Sensor with Ultrahigh Sensitivity and Tunable Sensing Range. AB - It remains challenging to fabricate strain-sensing materials and exquisite geometric constructions for integrating extraordinary sensitivity, low strain detectability, high stretchability, tunable sensing range, and thin device dimensions into a single type of strain sensor. A percolation network based on Ti3C2Tx MXene/carbon nanotube (CNT) composites was rationally designed and fabricated into versatile strain sensors. This weaving architecture with excellent electric properties combined the sensitive two-dimensional (2D) Ti3C2Tx MXene nanostacks with conductive and stretchable one-dimensional (1D) CNT crossing. The resulting strain sensor can be used to detect both tiny and large deformations with an ultralow detection limit of 0.1% strain, high stretchability (up to 130%), high sensitivity (gauge factor up to 772.6), tunable sensing range (30% to 130% strain), thin device dimensions (<2 MUm), and excellent reliability and stability (>5000 cycles). The versatile and scalable Ti3C2Tx MXene/CNT strain sensors provide a promising route to future wearable artificial intelligence with comprehensive tracking ability of real-time and in situ physiological signals for health and sporting applications. PMID- 29202227 TI - Control of Doping Level in Semiconductors via Self-Limited Grafting of Phosphorus End-Terminated Polymers. AB - An effective bottom-up technology for precisely controlling the amount of dopant atoms tethered on silicon substrates is presented. Polystyrene and poly(methyl methacrylate) polymers with narrow molecular weight distribution and end terminated with a P-containing moiety were synthesized with different molar mass. The polymers were spin coated and subsequently end-grafted onto nondeglazed silicon substrates. P atoms were bonded to the surface during the grafting reaction, and their surface density was set by the polymer molar mass, according to the self-limiting nature of the "grafting to" reaction. Polymeric material was removed by O2 plasma hashing without affecting the tethered P-containing moieties on the surface. Repeated cycles of polymer grafting followed by plasma hashing led to a cumulative increase, at constant steps, in the dose of P atoms grafted to the silicon surface. P injection in the silicon substrate was promoted and precisely controlled by high-temperature thermal treatments. Sheet resistance measurements demonstrated effective doping of silicon substrate. PMID- 29202228 TI - Acid-Assisted Exfoliation toward Metallic Sub-nanopore TaS2 Monolayer with High Volumetric Capacitance. AB - Conductive porous structures are favorable as active electrode materials for energy storage by boosting the active sites and specific surface area but have been rarely achieved in transition metal dichalcogenides. Here, we developed acid assisted exfoliation for the first time, to successfully exfoliate TaS2 into very large-sized conductive monolayers with controllable in-plane sub-nanopores. By inducing both interlayer lattice expansion and basal in-plane etching, hydrogen ion, previously regarded disastrous in charged system, was creatively utilized as an efficient and easily accessible assistant in simultaneous exfoliation and controllable structural modification. Benefiting from pore size (~0.95 nm) matching well with electrolyte ion size, coexistence of ultrahigh conductivity and fast ion transport was achieved in metallic large-sized monolayers. Notably, the as-produced TaS2-based electrode delivers large volumetric capacitance (508 F/cm3 at scan rate of 10 mV/s) and high energy density (58.5 Wh/L) when fabricated into a micro-supercapacitor. We anticipate acid-assisted exfoliation to be a promising strategy in constructing 2D nanomaterials with novel structure for wide energy applications. PMID- 29202229 TI - 18F-Radiolabeling and In Vivo Analysis of SiFA-Derivatized Polymeric Core-Shell Nanoparticles. AB - Nanoparticles represent the most widely studied drug delivery systems targeting cancer. Polymeric nanoparticles can be easily generated through a microemulsion polymerization. Herein, the synthesis, radiolabeling, and in vivo evaluation of nanoparticles (NPs) functionalized by an organosilicon fluoride acceptor (SiFA) are reported which can be radiolabeled without further chemical modifications. Four nanoparticles in the sub-100 nm range with distinct hydrodynamic diameters of 20 nm (NP1), 33 nm (NP2), 45 nm (NP3), and 72 nm (NP4), respectively, were synthesized under size-controlled conditions. The SiFA-labeling building block acted as an initiator for the polymerization of polymer P1. The nanoparticles were radiolabeled with fluorine-18 (18F) through simple isotopic exchange (IE) and analyzed in vivo in a murine mammary tumor model (EMT6). The facile 18F radiolabeling SiFA methodology, performed in ethanol under mild reaction conditions, gave radiochemical yields (RCYs) of 19-26% and specific activities (SA) of 0.2-0.3 GBq/mg. Based on preclinical PET analysis, the tumor uptake and clearance profiles were analyzed depending on particle size. The nanoparticle size of 33 nm showed the highest tumor accumulation of SUVmean 0.97 (= 4.4%ID/g) after 4 h p.i. through passive diffusion based on the Enhanced Permeability and Retention (EPR) effect. Overall, this approach exhibits a simple, robust, and reliable synthesis of 18F radiolabeled polymeric nanoparticles with a favorable in vivo evaluation profile. This approach represents a straightforward synthetically accessible alternative to produce radiolabeled nanoparticles without any further surface modification to attach a radioisotope. PMID- 29202230 TI - The Forbidden 11Bu- Excited Singlet State in Peridinin and Peridinin Analogues. AB - Theoretical studies have predicted the presence of a forbidden 11Bu- state in proximity to the strongly allowed 11Bu+ excited state in polyenes and carotenoids. The 11Bu- state is invariably predicted to have a very low oscillator strength, which precludes direct optical spectroscopic assignment. We report here a direct UV-vis optical spectroscopic feature assigned to the 11Bu- state of S-2-peridinin, a synthetic analogue of the naturally occurring carotenoid, peridinin. The shift of the ground state dipole of S-2-peridinin compared to natural peridinin enhances the oscillator strength of absorption from the ground state to the 11Bu- state by 2 orders of magnitude relative to peridinin. It is postulated that this is due to a quadrupolar electrostatic field generated from the more central location of the lactone ring along the polyene chain in S-2-peridinin. MNDO-PSDCI and EOM-CCSD calculations provide a theoretical basis for this assignment and explain the unique properties of the 11Bu- state and why the transition from the ground state to this state has such a low oscillator strength in most other polyenes and carotenoids. PMID- 29202231 TI - Identification of Novel Aurora Kinase A (AURKA) Inhibitors via Hierarchical Ligand-Based Virtual Screening. AB - Aurora kinases are essential for cell mitosis, amplified, and overexpressed in various human malignancies. Therefore, Aurora kinases have been promising targets for anticancer therapies, which has prompted an intensive search for their small molecule inhibitors. In this work, we performed a hierarchical and time-efficient virtual screening cascade for scaffold hopping, aiming to obtain structurally novel and highly potent hit compounds targeting Aurora kinases. The cascade consisted of a shape- and an electrostatic-based protocol, combined with a QSAR based selection protocol. This virtual screening cascade was used to screen two databases, one commercial database named the J&K database containing about 5.2 million diverse molecules and the Drugbank database. Experimental validations led to the identification of one structurally novel and highly potent hit compound (hit 1, found to possess an IC50 of 8.1 and 19 nM for Aurora kinases A and B, respectively), which can be a promising starting point for further exploration. Additionally, Aurora kinases were identified as off-targets for hits 2-6 (Crizotinib, CI-1033, Dasatinib, Bosutinib, MLN-518), which are approved or investigational drugs as listed in Drugbank, plausibly suggesting targeting Aurora kinases may even contribute to their mechanism of action. PMID- 29202232 TI - Nucleic Acid Biosensor Synthesis of an All-in-One Universal Blocking Linker Recombinase Polymerase Amplification with a Peptide Nucleic Acid-Based Lateral Flow Device for Ultrasensitive Detection of Food Pathogens. AB - In this study, a whole-course nucleic-acid-constructed biosensor that combines the all-in-one concepts of the universal blocking linker recombinase polymerase amplification (UBLRPA) and a peptide nucleic acid (PNA)-based lateral flow device (PLFD) has been developed for the ultrasensitive detection of food pathogens. Using the preamplification UBLRPA principle, a universal linker and C3 space blocker were utilized to produce the universal linker single-duplex DNA products. The developed amplification system was employed to convert duplex products to a single strand. In the signal recognition strategy, a special PNA probe was successfully employed in the portable PLFD. The UBLRPA products were identified visually using the PLFD through dual hybridization (a PNA probe on the gold nanoparticle (Au-NP) was combined with a universal linker on the end of the products; a PNA capture probe was used on the test line and a universal linker on the other end of the products). The accumulation of Au-NPs produced a characteristic red band, enabling the visual detection of a food pathogen without further testing. To demonstrate the value of the all-in-one biosensor, Salmonella enterica subsp. enterica serovar typhimurium was used as a model organism. The biosensor showed high selectivity and extraordinary repeatability using S. typhimurium, and the limit of detection was 4 CFU mL-1. Furthermore, when milk samples artificially contaminated with S. typhimurium were analyzed, the analysis was completed within 30 min without complicated instrumentation. The results exhibited good precision and recovery. This portable all-in-one biosensor demonstrates great promise for the screening of pathogens in food and environmental samples. PMID- 29202233 TI - Synthesis and Investigation of Photophysical and Biological Properties of Novel S Containing Bacteriopurpurinimides. AB - Novel hybrid molecule containing 2-mercaptoethylamine was synthesized starting from O-propyloxime-N-propoxy bacteriopurpurinimide (dipropoxy-BPI), which was readily oxidized in oxygen atmosphere yielding the corresponding disulfide analogue (disulfide-BPI). Spectral, photophysical, photodynamic, and biological properties of compound were properly evaluated. Compounds bearing disulfide moiety can directly interact with glutathione (GSH), thereby reducing its intracellular concentration. Indeed, mice sarcoma S37 cell line was treated in vitro with disulfide-BPI, yielding a CC50 value of 0.05 +/- 0.005 MUM. A relatively high level of singlet oxygen was detected. It was demonstrated (by fluorescence) that the PS was rapidly accumulated in a cancer nest (S37) at a relatively high level after 2 h upon intravenous administration. After 24 h, no traces of the molecule were detected in the tumor mass. Moreover, high photodynamic efficiency was demonstrated at doses of 150-300 J/cm2 against two different in vivo tumor models, achieving 100% regression of cancer growth. PMID- 29202234 TI - Halogen Bonding Interactions: Revised Benchmarks and a New Assessment of Exchange vs Dispersion. AB - We present a new analysis of exchange and dispersion effects for calculating halogen-bonding interactions in a wide variety of complex dimers (69 total) within the XB18 and XB51 benchmark sets. Contrary to previous work on these systems, we find that dispersion plays a more significant role than exact exchange in accurately calculating halogen-bonding interaction energies, which are further confirmed by extensive SAPT analyses. In particular, we find that even if the amount of exact exchange is nonempirically tuned to satisfy known DFT constraints, we still observe an overall improvement in predicting dissociation energies when dispersion corrections are applied, in stark contrast to previous studies ( Kozuch, S.; Martin, J. M. L. J. Chem. Theory Comput. 2013 , 9 , 1918 - 1931 ). In addition to these new analyses, we correct several (14) inconsistencies in the XB51 set, which is widely used in the scientific literature for developing and benchmarking various DFT methods. Together, these new analyses and revised benchmarks emphasize the importance of dispersion and provide corrected reference values that are essential for developing/parametrizing new DFT functionals, specifically for complex halogen bonding interactions. PMID- 29202235 TI - Tuning Nanoparticle-Micelle Interactions and Resultant Phase Behavior. AB - The evolution of the interaction between an anionic nanoparticle and a nonionic surfactant and their resultant phase behavior in aqueous solution in the presence of electrolyte and ionic surfactants have been studied. The mixed system of anionic silica nanoparticles (Ludox LS30) with nonionic surfactant decaethylene glycol monododecylether (C12E10) forms a highly stable clear phase over a wide concentration range of surfactant. Small-angle neutron scattering (SANS) and dynamic light scattering data show that the surfactant micelles adsorb on the surface of the nanoparticle, resulting in micellar-decorated nanoparticle structures. With the addition of a small amount of electrolyte into this system, the stability gets disturbed substantially and turns to a two-phase (turbid) system. The evolution of interaction in this system has been examined, and it was found that micelle-induced long-range depletion attraction (modeled by a double Yukawa potential) between nanoparticles leads to their aggregation. Interestingly, the addition of anionic surfactant sodium dodecyl sulfate (SDS) in this two-phase system transforms it to a transparent one-phase state, suppressing the depletion-mediated aggregation of nanoparticles. This is attributed to the formation of anionic C12E10-SDS mixed micelles, and it is their repulsive micelle micelle interaction that disrupts the depletion phenomenon. On the other hand, the addition of cationic surfactant dodecyl trimethylammonium bromide (DTAB) to the turbid LS30-C12E10 electrolyte system shows no change in the turbidity arising from an aggregated nanoparticle system. The driving interaction, in this case, is different from that of the surfactant-mediated depletion attraction; it is due to the attraction between the nanoparticles mediated by the presence of oppositely charged DTAB micelles between them, resulting in a charge-driven bridging aggregation of nanoparticles. Each of these multicomponent systems has been investigated using contrast variation SANS measurements for different contrast conditions where the role of individual components (nanoparticle or surfactant) in the mixed system has been selectively studied. These results thus show that nanoparticle-surfactant micelle interactions can be tuned by the presence of electrolyte and/or choice of surfactant combination. PMID- 29202237 TI - Impact of Solid-State Form on the Disproportionation of Miconazole Mesylate. AB - Approximately 50% of solid oral dosage forms utilize salt forms of the active pharmaceutical ingredient (API). A major challenge with the salt form is its tendency to disproportionate to produce the un-ionized API form, decreasing the solubility and negatively impacting product stability. However, many of the factors dictating the tendency of a given salt to undergo disproportionation remain to be elucidated. In particular, the role of the solid-state properties of the salt on the disproportionation reaction is unknown. Herein, various solid forms of a model salt, miconazole mesylate (MM), were evaluated for their tendency to undergo disproportionation when mixed with basic excipients, namely tribasic sodium phosphate dodecahydrate (TSPd) and croscarmellose sodium (CCS), and exposed to moderate relative humidity storage conditions. It was observed that the rate and extent of salt disproportionation were significantly different for the various solid forms of MM. As expected, the amorphous salt was highly susceptible to disproportionation, while the dihydrate salt form was resistant to conversion under the conditions tested. In addition, binary excipient blends of amorphous and anhydrous forms exhibited a reduced extent of disproportionation at a higher relative humidity storage condition. This was due to the competitive kinetics between disproportionation to the free base and conversion to the dihydrate salt form. The results of this study provide important insights into the impact of solid-state form on susceptibility to disproportionation that can be utilized for rationally designing robust pharmaceutical formulations. PMID- 29202236 TI - Vibrational Changes Induced by Electron Transfer in Surface Bound Azurin Metalloprotein Studied by Tip-Enhanced Raman Spectroscopy and Scanning Tunneling Microscopy. AB - The copper protein azurin, due to the peculiar coupling of its optical and vibronic properties with electron transfer (ET) and its biorecognition capabilities, is a very promising candidate for bioelectronic, bio-optoelectronic and biosensor applications. However, a complete understanding of the fundamental processes relating azurin ET and its optical and vibronic characteristics with the charge transport mechanisms occurring in proteins bound to a conductive surface, the typical scenario for a biosensor or bioelectronic component, is still lacking. We studied azurin proteins bound to a gold electrode surface by scanning tunneling microscopy combined with tip-enhanced Raman spectroscopy (STM TERS). Robust TER spectra were obtained, and the protein's vibronic response under optical excitation in resonance with its ligand-to-metal charge transfer band was found to be affected by the tunneling parameters, indicating a direct involvement of the active site vibrations in the electron transport process. PMID- 29202239 TI - Capillary-Enhanced Immobilization of Nanoparticles. AB - The contact between a spherical nanoparticle and a planar substrate is surrounded by an annular wedge cavity. In adsorption processes, this acts like a small pore. Interfacial/capillarity effects lead to an accumulation of adsorbate in this region ("capillary condensation"). This effectively increases the contact area between the particles and the substrate. Thus, capillary-enhanced adsorbate accumulation increases the adhesion between the nanoparticles and the planar surface, which effectively immobilizes the particles. PMID- 29202238 TI - Finite-Size and Solvent Dependent Line Tension Effects for Nanoparticles at the Air-Liquid Surface. AB - The line tension for a nanoparticle (NP) at the air-liquid surface can be determined by examining the variation in NP solution surface tension with bulk NP concentration. In this publication the variation in line tension with liquid solvent is examined for the homologous series of liquids from n-decane through to n-octadecane. Finite-size line tension effects are also studied by examining the variation in line tension with NP size for NPs at the air-octadecane surface. Both the line tension variation with solvent and NP size can be qualitatively explained using an interface displacement model for the line tension. PMID- 29202240 TI - Anchoring Energy Measurements at the Aqueous Phase/Liquid Crystal Interface with Cationic Surfactants Using Magnetic Freedericksz Transition. AB - We constructed the apparatus to observe the Freedericksz transition of liquid crystal in contact with water. The Freedericksz transition is a distortion of nematic liquid crystals (LCs) induced by external fields. In the present system, sweeping homogeneous magnetic field was applied to the sample, and the distortion of the LC was visualized with a polarized light microscope with the crossed Nichols configuration. The anchoring energy (WAQ/LC) at the aqueous phase/LC interface was measured in the presence of surfactant from the threshold magnetic field of the Freedericksz transition. We studied two cationic surfactants: dodecyltrimethylammonium bromide and tetradecyltrimethylammonium bromide. A nematic LC, 4-cyano-4'-pentylbiphenyl (5CB), was examined, which was confined in a copper grid on an octadecyltrichlorosilane-treated microscope glass plate. Measured WAQ/LC were reproducible and showed consistence with the reported region for the water/LC interface. Interfacial excess of surfactants was also measured by the pendant drop method, and the relationship between the obtained WAQ/LC and the interfacial excess was investigated. Experiments showed that an increase in the anchoring energy depends on the surfactant and its interfacial excess. The region of the interfacial coverage, at which WAQ/LC increases, varied with the chain length of the surfactant. The measurement of the anchoring energy will provide new fundamental information on aqueous phase/LC interface. PMID- 29202241 TI - Ranking the Stability of Transition-Metal Complexes by On-Surface Atom Exchange. AB - Surface-adsorbed macrocycles exhibit a number of interesting physical and chemical properties; many of them are determined by their transition-metal centers. The hierarchical exchange of the central metal atom in such surface adsorbed complexes is demonstrated, specifically in the porphyrin-like macrocycle pyrphyrin adsorbed on Cu(111). Using scanning tunneling microscopy and X-ray photoelectron spectroscopy, we show that Cu as central metal atom is easily exchanged with Ni or Fe atoms supplied in trace amounts to the surface. Atom exchange of Ni centers with Fe atoms also occurs, with moderate yield. These results allow ranking the stability of the surface-adsorbed Cu, Ni, and Fe complexes. The fact that the atom exchange occurs at 423 K shows that surface adsorbed macrocycles can be surprisingly easily transformed. PMID- 29202242 TI - Molybdenum Oxide Cluster Anion Reactions with C2H4 and H2O: Cooperativity and Chemifragmentation. AB - To probe the mechanism of sacrificial reagents in catalytic processes, product distributions from MoxOy- clusters reacting individually with C2H4 and H2O are compared with those from reactions with a C2H4 + H2O mixture, with the thermodynamics explored computationally. These molecules were chosen to model production of H2 from H2O via H2O + C2H4 -> H2 + CH3CHO, mediated by MoxOy- clusters. H2O is known to sequentially oxidize MoxOy- suboxide clusters while producing H2, resulting in less reactive clusters. MoxOy- (y ~ x) clusters undergo chemi-fragmentation reactions with C2H4, with MoxOyC2Hz- complexes forming as the cluster oxidation state increases. Unique species observed in reactions with the C2H4 + H2O mixture, Mo2O5C2H2- and MoO3C2H4-, suggest that the internal energy gained in new Mo-O bond formation from oxidation by H2O opens additional reaction channels. C2H3O- is observed uniquely in reactions with the C2H4 + H2O mixture, giving indirect evidence of CH3CHO formation via the cluster mediated H2O + C2H4 -> H2 + CH3CHO reaction; C2H3O- can form via dissociative electron attachment to CH3CHO. Calculations support mechanisms that invoke participation of two ethylene molecules on thermodynamically favorable pathways leading to experimentally observed products. PMID- 29202243 TI - Synthesis of Enantioenriched Allylic Silanes via Nickel-Catalyzed Reductive Cross Coupling. AB - An asymmetric Ni-catalyzed reductive cross-coupling has been developed to prepare enantioenriched allylic silanes. This enantioselective reductive alkenylation proceeds under mild conditions and exhibits good functional group tolerance. The chiral allylic silanes prepared here undergo a variety of stereospecific transformations, including intramolecular Hosomi-Sakurai reactions, to set vicinal stereogenic centers with excellent transfer of chirality. PMID- 29202244 TI - Shear-Induced Alignment of Anisotropic Nanoparticles in a Single-Droplet Oscillatory Microfluidic Platform. AB - Flow-induced alignment of shape-anisotropic colloidal particles is of great importance in fundamental research and in the fabrication of structurally anisotropic materials; however, rheo-optical studies of shear-induced particle orientation are time- and labor-intensive and require complicated experimental setups. We report a single-droplet oscillatory microfluidic strategy integrated with in-line polarized light imaging as a strategy for studies of shear-induced alignment of rod-shape nanoparticles. Using an oscillating droplet of an aqueous isotropic suspension of cellulose nanocrystals (CNCs), we explore the effect of the shear rate and suspension viscosity on the flow-induced CNC alignment and subsequent relaxation to the isotropic state. The proposed microfluidic strategy enables high-throughput studies of shear-induced orientations in structured liquid under precisely controlled experimental conditions. The results of such studies can be used in the development of structure-anisotropic materials. PMID- 29202245 TI - Chemical and Physical Variability in Structural Isomers of an l/d alpha-Sheet Peptide Designed To Inhibit Amyloidogenesis. AB - There has been much interest in synthetic peptides as inhibitors of aggregation associated with amyloid diseases. Of particular interest are compounds that target the cytotoxic soluble oligomers preceding the formation of mature, nontoxic fibrils. This study explores physical and chemical differences between two de novo-designed peptides that share an identical primary structure but differ in backbone chirality at six key positions. We show that the presence of alternating l/d-amino acid motifs dramatically increases aqueous solubility, enforces alpha-sheet secondary structure, and inhibits aggregation of the beta amyloid peptide implicated in Alzheimer's disease, in addition to neutralizing its cytotoxicity. In contrast, the all-l-amino acid isomer does not form alpha sheet structure and is insoluble and inactive. PMID- 29202247 TI - Multicolor Spectral-Specific Silicon Nanodetectors based on Molecularly Embedded Nanowires. AB - Silicon-based photodetectors cannot distinguish between different wavelengths. Therefore, these detectors relay on color-specific filters to achieve color separation. Color filters add complexity to color sensitive device fabrication, and hinder miniaturization of such devices. Here, we report an ultrasmall (as small as ~20 nm by 300 nm), red-green-blue-violet (RGBV) filter-free spectrally gated field effect transistor (SGFET) detectors. These photodetectors are based on organic-silicon nanowire hybrid FET devices, capable of detecting specific visible wavelength spectrum with full width at half-maxima (fwhm) under 100 nm. Each SGFET is controlled by a distinctive RGBV spectral range, according to its specific organic fluorophore functionalization. The spectral-specific RGBV detection is accomplished via covalent attachment of different fluorophores. The fluorophore molecules inject electrons into the nanowire structure as a result of light absorption at the appropriate RGBV spectral range. These photoinduced electrons modify the occupancies of the oxide's surface states, shifting the device threshold voltage, thus changing its conductivity, and functioning as a negative stress bias in a p-type SiNW FETs. A positive biasing can be achieved via UV light-induced ionization, which leads to detrapping and translocation of electrons at the oxide layer. Furthermore, a novel theoretical model on the mechanism of action of these devices was developed. Also, we show that suspended SGFETs can function as nonvolatile memory elements, which unlike fast-relaxing on surface SGFETs, can store discrete "on" (RGBV illumination) and "off" (UV illumination) states for several days at ambient conditions. We also demonstrate a unique single-nanowire multicolor photodetector, enabling in principle a broad spectral detection over a single silicon nanowire element. These highly compact, spectral-controlled nanodevices have the potential to serve in various future novel optoelectric applications. PMID- 29202246 TI - O-GalNAcylation of RANTES Improves Its Properties as a Human Immunodeficiency Virus Type 1 Entry Inhibitor. AB - Many human proteins have the potential to be developed as therapeutic agents. However, side effects caused by direct administration of natural proteins have significantly slowed expansion of protein therapeutics into the clinic. Post translational modifications (PTMs) can improve protein properties, but because of significant knowledge gaps, we are considerably limited in our ability to apply PTMs to generate better protein therapeutics. Here, we seek to fill the gaps by studying the PTMs of a small representative chemotactic cytokine, RANTES. RANTES can inhibit HIV-1 infection by competing with it for binding to receptor CCR5 and stimulating CCR5 endocytosis. Unfortunately, RANTES can induce strong signaling, leading to severe inflammatory side effects. We apply a chemical biology approach to explore the potential of post-translationally modified RANTES as safe inhibitors of HIV-1 infection. We synthesized and systematically tested a library of RANTES isoforms for their ability to inhibit inflammatory signaling and prevent HIV-1 infection of primary human cells. Through this research, we revealed that most of the glycosylated variants have decreased inflammation associated properties and identified one particular glyco variant, a truncated RANTES containing a Galbeta1-3GalNAc disaccharide alpha-linked to Ser4, which stands out as having the best overall properties: relatively high HIV-1 inhibition potency but also weak inflammatory properties. Moreover, our results provided a structural basis for the observed changes in the properties of RANTES. Taken together, this work highlights the potential importance of glycosylation as an alternative strategy for developing CCR5 inhibitors to treat HIV-1 infection and, more generally, for reducing or eliminating unwanted properties of therapeutic proteins. PMID- 29202248 TI - Bag Valve Mask Ventilation as a Perceptual-Cognitive Skill. AB - Objective This study used a high-fidelity infant mannequin to examine the relationship between the quality of bag valve mask ventilation (BVMV) and how providers of varying levels of experience use visual feedback (e.g., electronic vital signs) to guide their performance. Background BVMV is a common and critical procedure for managing pediatric respiratory emergencies. However, providers do not consistently deliver effective BVMV. Efforts to improve BVMV have ignored the question of how providers effectively use feedback often available during BVMV. Method Six expert and six novice respiratory therapists completed two simulations of an infant requiring BVMV. In one, the technology failed to display SpO2, an important but somewhat redundant visual cue. Eye movements, verbal reports, and ventilation rate (in breaths per minute) were measured in each simulation. Results Regardless of SpO2 availability, eye movements and verbal reports suggested that novices depended strongly on electronic vital signs and when SpO2 was absent ventilated at a faster rate (exceeding the recommended range of ventilation rates) than when SpO2 was present. Experts' ventilation rates were comparable and within the recommended range in both conditions. When SpO2 was absent, experts emphasized information from direct observation of the patient that novices neglected. Conclusion Individual differences in the use of feedback during BVMV contribute to the quality of BVMV. This work bears on the theoretical discussions involving the use of automation and nontechnological cues to guide performance. Application These results have the potential to expand the current understanding of factors underlying effective BVMV with implications for training novice providers. PMID- 29202249 TI - Smoke-Free Home and Vehicle Policies Among Community College Smokers. AB - BACKGROUND: Personal smoke-free policies (home and vehicle) reduce secondhand smoke exposure, improve health, and increase quitting among smokers. Overall, 83.0% and 78.1% of Americans report smoke-free homes and vehicles, respectively. However, little is known about such policies among 2-year community college (CC) students, who represent a large, diverse population with higher smoking rates and less negative attitudes toward smoking than 4-year college students. METHODS: Prevalence of, and factors associated with, personal smoke-free policies were examined for 2,475 CC smokers enrolled in a national trial of web-assisted tobacco intervention. RESULTS: Few students had smoke-free home policies (20.7%), smoke-free vehicles (17.0%), both smoke-free home and vehicle policy (4.2%), or any policy (home or vehicle; 31.2%). In logistic regression models, having children was associated with a smoke-free home or any policy but not with a smoke free vehicle, and among participants who had children, only 20% reported a smoke free home, and only 15% had a smoke-free vehicle. In addition, not living with other smokers, living with parents or roommates/siblings (vs. alone), smoking later than 30 minutes after awakening, believing that smoking affects the health of others, and confidence in quitting were associated with presence of a smoke free home or any policy; no variables were significantly associated with presence of a smoke-free vehicle. CONCLUSIONS: CC students represent a priority population for intervention regarding smoke-free homes and vehicles. Such intervention can decrease exposure of others, including children, and potentially increase the likelihood of quitting in this high-risk population. PMID- 29202250 TI - Systemic granulomatous disease in dairy cattle during a dicyandiamide feeding trial. AB - CASE HISTORY: Mature, in-calf, non-lactating, Friesian or Friesian-cross cows were fed dicyandiamide (DCD) at daily doses of 0.15 g/kg (Group 1; n=31), 0.45 g/kg (Group 2; n=21) and 0.75 g/kg (Group 3; n=12), as part of a safety trial, which also included a control group (n=15). Daily health observations were carried out on each cow until Day 86 of the study. On Day 28 one cow from Group 3 was observed with signs of disease, and subsequently disease was noted in other cows. CLINICAL FINDINGS: Clinical signs in the first case included depression, pyrexia (40.9 degrees C), salivation and dehydration, in addition to progressive weight loss, followed by death on Day 32. Other cows from all treatment groups developed clinical signs of disease resulting in euthanasia of seven animals. Disease occurred in 10/12 (83%) cows in Group 3, 11/21 (52%) cows in Group 2, and 7/31 (23%) cows in Group 1. Clinical signs were variable and included dermatitis and pruritus of the head and neck, petechial haemorrhages, pyrexia, weight loss, thrombocytopenia, neutropenia, and regenerative anaemia. PATHOLOGICAL FINDINGS: Gross findings included generalised lymphadenopathy, subcutaneous oedema, petechiation of mucosal and serosal surfaces, and gastrointestinal haemorrhage. Histologically, multiple organs and tissues contained inflammatory foci characterised by infiltrates of lymphocytes, plasma cells, macrophages and occasionally prominent multinucleated giant cells and eosinophils. DIAGNOSIS: Multisystemic granulomatous and haemorrhagic syndrome resembling cell-mediated hypersensitivity, associated with DCD ingestion. CLINICAL RELEVANCE: This is the first report of toxicity in cattle associated with ingestion of DCD. The proportion of affected cows increased with increasing dose of DCD, but not all cattle in the high dose group developed disease, therefore additional factors may determine whether or not an individual cow will develop DCD-associated disease. PMID- 29202251 TI - Determining the optimum capacity to train: a challenge for the College of Intensive Care Medicine of Australia and New Zealand. PMID- 29202252 TI - The case for more pilot studies. PMID- 29202253 TI - The evolution of intensive care medicine: a personal journey. PMID- 29202254 TI - Incidence, correlates and outcomes associated with falls in the intensive care unit: a retrospective cohort study. AB - BACKGROUND: Falls among hospitalised patients contribute to avoidable morbidity and prolonged hospital stay. We aimed to describe the incidence, circumstances and outcomes associated with patient falls occurring in intensive care units. METHODS: Retrospective cohort study of adult admissions to an academic, tertiary ICU in Edmonton, Canada between 1 January 2013 and 30 April 2016. Fall events were ascertained by interrogation of an electronic health record. Each fall was independently adjudicated by two intensivists to confirm that a fall did occur, and to determine if the fall was potentially avoidable. Agreement was assessed by intraclass correlation (ICC). A matched cohort (one fall to five non-fall) was created to compare course and outcomes. RESULTS: Of 31 events identified, 26 were adjudicated as a fall (84%), for an estimated incidence of 5.2 per 1000 ICU admissions (95% CI, 3.4-7.6). Of these, 23 were judged as avoidable (89%) (ICC, 0.69; 95% CI, 0.37-0.85). The mean age was 54.5 years (SD, 17.4 years), 20 of the falls (77%) involved men, and 10 (39%) were surgical admissions (eight [31%] for trauma). The median ICU stay before the falls was 10.6 days (interquartile range [IQR], 6.2-15.0 days), and 13 patients (50%) scored positive for delirium. At the time of the fall, three patients (12%) were invasively ventilated, and eight (31%) were classified as ward-ready. Eleven falls (42%) were witnessed and 12 (46%) occurred after hours, of which nine involved patients (75%) who had delirium. Seven falls (27%) occurred within 2 hours of a nursing shift change and 11 (42%) during a nursing break coverage. No patient sustained a major injury related to a fall but four (15%) reported minor injuries such as a laceration or abrasion. The median ICU stay after a fall was 2.2 days (IQR, 1.2-2.9 days). Compared with the matched non-fall cohort, patients who fell had a longer duration of ICU stay (median, 12.0 days [IQR, 8.3-18.6 days] v 4.7 days [IQR, 2.8 8.4 days]; P < 0.0001). CONCLUSION: Falls in the ICU are infrequent and generally perceived as avoidable. Falls often occur at night, are unwitnessed and are associated with concomitant patient delirium and nursing shift changes and cross coverage. PMID- 29202255 TI - Patterns of organ donation in children in Australia and New Zealand. AB - OBJECTIVES: Paediatric organ donation (OD) represents a small proportion of total OD in Australia and New Zealand. Our aim was to describe the patterns of paediatric OD, specifically, the demographic characteristics and donation outcomes over two time periods. DESIGN: We performed a retrospective study using national OD and intensive care registry data from intensive care units in Australia and New Zealand from 1 January 2000 to 31 December 2015. Data were analysed between two time periods. Paediatric data were compared with adult data. PARTICIPANTS: Organ donors aged under 16 years in paediatric and mixed adult and paediatric ICUs. RESULTS: There were 267 paediatric organ donors, representing 5.4% of all donors. The rate of OD as a percentage of ICU deaths was comparable to adults (6.0% v 4.6%; P < 0.001). Over the entire period, donations after brain death totalled 244 (91.4%), and donations after circulatory death (DCDs) totalled 23 (8.6%). DCDs increased from 0.7% to 17% between the time periods (P < 0.001). Children aged under 2 years had a lower rate of donation than the general paediatric cohort (1.2% v 6.0%; P < 0.001). CONCLUSIONS: Paediatric OD rates have not changed over time but are comparable to adults when expressed as a percentage of ICU deaths. Paediatric DCD has increased significantly over time. PMID- 29202256 TI - Long-term mortality of critically ill patients with diabetes who survive admission to the intensive care unit. AB - OBJECTIVE: Long-term outcomes of critically ill patients with diabetes are unknown. Our objectives were to evaluate the effect of diabetes on both long-term survival rates and the average number of years of life lost for patients admitted to an intensive care unit who survived to hospital discharge. DESIGN AND PARTICIPANTS: A data linkage study evaluating all adult patients in South Australia between 2004 and 2011 who survived hospitalisation that required admission to a public hospital ICU. MAIN OUTCOME MEASURES: All patients were evaluated using hospital coding for diabetes, which was crossreferenced with registration with the Australian National Diabetes Services Scheme for a diagnosis of diabetes. This dataset was then linked to the Australian National Death Index. Longitudinal survival was assessed using Cox proportional hazards regression. Life-years lost were calculated using age- and sex-specific life tables from the Australian Bureau of Statistics. RESULTS: 5450 patients with diabetes and 17 023 patients without diabetes were included. Crude mortality rates were 105.5 per 1000 person-years (95% CI, 101.6-109.6 per 1000 person years) for patients with diabetes, and 67.6 per 1000 person-years (95% CI, 65.9 69.3 per 1000 personyears) for patients without diabetes. Patients with diabetes were older and had higher illness severity scores on admission to the ICU, were more likely to die after hospital discharge (unadjusted hazard ratio [HR], 1.52 [95% CI, 1.45-1.59]; adjusted HR, 1.16 [95% CI, 1.10-1.21]; P < 0.0001) and suffered a greater number of average lifeyears lost. CONCLUSIONS: Our study indicates that crude mortality for ICU survivors with pre-existing diabetes is considerable after hospital discharge, and the risk of mortality is greater than for survivors without diabetes. PMID- 29202257 TI - Maintenance fluid practices in paediatric intensive care units in Australia and New Zealand. AB - BACKGROUND: Maintenance fluid administration is a common practice in paediatric intensive care units (PICUs), contributing to daily fluid intake and fluid balance, but little is known about this practice. OBJECTIVES: To determine the volume and type of maintenance fluid delivered to PICU patients, and to assess changes in practice compared with a previous time point. METHODS: A prospective, observational, single-day, point prevalence study of paediatric patients from 11 Australian and New Zealand PICUs, conducted in 2014. RESULTS: Seventy-two patients were enrolled. The median age and weight of infants aged < 1 year (n = 34) were 2 months (interquartile range [IQR],1-4) and 5 kg (IQR, 4-6), respectively; while in children >= 1 year of age (n = 38), these were 4 years (IQR, 2-8) and 17 kg (IQR, 12-23), respectively. On the study day, 19 infants (56%) and 19 children aged >= 1 year (50%) received maintenance fluids. Infants received a median of 23 mL/kg (IQR, 12-45) of maintenance fluid in addition to 51 mL/kg (IQR, 40-72) of fluid and nutrition from other sources; maintenance fluids contributed 29% (IQR, 13%-60%) of the total daily fluid intake. Children >= 1 year of age received a median of 18 mL/kg (IQR, 9-37) of maintenance fluid in addition to 39 mL/kg (IQR, 25-53) of fluid and nutrition from other sources; maintenance fluids contributed 33% (IQR, 17%-69%) of the total daily fluid intake. When compared with similar data from 2011, there was no change in the amount of maintenance fluid given, which was administered mostly as isotonic fluids. CONCLUSION: Maintenance fluid contributes about a third of total fluid administration in children in Australian and New Zealand PICUs and is mostly administered as isotonic solutions. PMID- 29202258 TI - The SPICE III study protocol and analysis plan: a randomised trial of early goaldirected sedation compared with standard care in mechanically ventilated patients. AB - BACKGROUND: Sedation strategy in critically ill patients who are mechanically ventilated is influenced by patient-related factors, choice of sedative agent and the intensity or depth of sedation prescribed. The impact of sedation strategy on outcome, in particular when delivered early after initiation of mechanical ventilation, is uncertain. OBJECTIVES: To present the protocol and analysis plan of a large randomised clinical trial investigating the effect of a sedation strategy, in critically ill patients who are mechanically ventilated, based on a protocol targeting light sedation using dexmedetomidine as the primary sedative, termed "early goal-directed sedation", compared with usual practice. METHODS: This is a multinational randomised clinical trial in adult intensive care patients expected to require mechanical ventilation for longer than 24 hours. The main exclusion criteria include suspected or proven primary brain pathology or having already been intubated or sedated in an intensive care unit for longer than 12 hours. Randomisation occurs via a secured website with baseline stratification by site and suspected or proven sepsis. The primary outcome is 90 day all-cause mortality. Secondary outcomes include death, institutional dependency, cognitive function and health-related quality of life 180 days after randomisation, as well as deliriumfree, coma-free and ventilation-free days at 28 days after randomisation. A predefined subgroup analysis will also be conducted. Analyses will be on an intention-to-treat basis and in accordance with this pre specified analysis plan. CONCLUSION: SPICE III is an ongoing large scale clinical trial. Once completed, it will inform sedation practice in critically ill patients who are ventilated. PMID- 29202259 TI - Bedside lung ultrasound in the care of the critically ill. AB - OBJECTIVE: To describe the technique and review the utility of bedside lung ultrasound in acute care. SUMMARY: Lung ultrasound is a useful point-of-care investigation in acute care, especially in patients with dyspnoea or haemodynamic instability. Although normal lung parenchyma is not accessible to ultrasound, distinctive artefacts arising from parietal and visceral pleura indirectly imply the presence of normal lung. As aeration of lung tissue reduces with disease process, visual assessment of several pathologic entities by ultrasound becomes possible. Ultrasound can be used for qualitative and quantitative assessment as well as to guide intervention. Compared with supine anteroposterior chest x-rays, lung ultrasound is faster and superior at ruling out pneumothorax and diagnosing lung consolidation, pleural effusions or pulmonary oedema. It is a logical and highly valuable extension of echocardiography and can be incorporated into diagnostic algorithms for assessment of dyspnoea, hypotension, chest pain or trauma. It provides rapid information about potentially reversible pathology in cardiac arrest scenarios. Other advantages include bedside availability, repeatability, provision of dynamic diagnostic information, ease of use and the absence of radiation exposure. PMID- 29202260 TI - Interobserver agreement for post mortem renal histopathology and diagnosis of acute tubular necrosis in critically ill patients. AB - BACKGROUND: The renal histopathology of critically ill patients dying with acute kidney injury (AKI) in intensive care units of high income countries remains uncertain. METHODS: Retrospective observational assessment of interobserver agreement in the reporting of renal post mortem histopathology, and the ability of pathologists blinded to the clinical context to independently identify the presence of pre-mortem AKI from digital images of histological sections from 34 critically ill patients dying in teaching hospitals in Australia and Canada. RESULTS: We identified a heterogeneous cohort with a median age of 65 years (interquartile range [IQR], 56.5-77), APACHE II score of 27 (IQR, 19-33), and sepsis as the most common admission diagnosis (12/34; 35%). The most common proximate causes of death were cardiovascular (19/34; 56%) and respiratory (7/34; 21%) failure. AKI was common, with 23 patients (68%) developing RIFLE-F AKI, and 21 patients (62%) receiving renal replacement therapy. Structured reporting for tubular inflammation showed excellent agreement (kappa = 1), but no other subdomain demonstrated better than moderate agreement (kappa < 0.6). Only fair agreement (55.9% of cases; kappa = 0.23) was demonstrated on the diagnosis of moderate to severe acute tubular necrosis (ATN). Pathologist A predicted RIFLE-I or worse AKI with the diagnosis of ATN, with an overall accuracy of 61.8%; pathologist B predicted AKI with an accuracy of 35.3%. CONCLUSIONS: Post mortem assessment of the renal histopathology in critically ill patients is neither robust nor reproducible; independent pathologists agree poorly on the diagnosis of ATN, and their structural assessment appears dissociated from ante-mortem renal function. PMID- 29202262 TI - Pharmacodynamics of intravenous frusemide bolus in critically ill patients. PMID- 29202261 TI - Intensive care unit randomised trial comparing two approaches to oxygen therapy (ICU-ROX): results of the pilot phase. AB - OBJECTIVE: The objective of the intensive care unit randomised trial comparing two approaches to oxygen therapy (ICU-ROX) pilot phase, which included the first 100 patients of an overall sample of 1000, was to examine feasibility. DESIGN: Investigator-initiated, prospective, parallel-group, pilot randomised controlled trial. SETTING: Six medical-surgical intensive care units (ICUs) in Australia and New Zealand, with participants recruited from September 2015 through June 2016. PARTICIPANTS: 100 patients >= 18 years of age who required invasive mechanical ventilation in the ICU and were expected to be receiving it beyond the next calendar day at the time of randomisation. INTERVENTIONS: Conservative oxygen therapy or standard care. MAIN OUTCOME MEASURES: Eligibility, recruitment rate, and separation in oxygen exposure (fraction of inspired oxygen [FiO2] and oxygen saturation measured by pulse oximetry [SpO2Z]). RESULTS: 94 of 99 participants (94.9%) were confirmed by study monitors to fulfil the study eligibility criteria. 3.6 patients per site per month were enrolled (95% confidence interval [CI], 2.5-4.7). Patients allocated to conservative oxygen therapy spent significantly more time on an FiO2 of 0.21 in the ICU; median, 31.5 hours (interquartile range [IQR], 7-63.5) for conservative oxygen therapy patients v 0 hours for standard oxygen therapy patients (IQR, 0-10; midpoint difference, 21.5 hours; 95% CI, 9-34; P < 0.0001). Patients allocated to conservative oxygen therapy spent less time in the ICU with an SpO2Z of >= 97% than patients allocated to standard oxygen therapy; median, 18.5 hours (IQR, 5-46) for conservative oxygen therapy patients v 32 hours for standard oxygen therapy (IQR, 17-80; midpoint difference, 13.5 hours; 95% CI, 2-25; P = 0.02). CONCLUSIONS: Our findings confirm the feasibility of completing the ICU-ROX trial without the need for substantive changes to the study protocol for the remaining 900 trial participants. TRIAL REGISTRATION: Australian and New Zealand Clinical Trials Registry (ANZCTRN 12615000957594). PMID- 29202263 TI - Does Graft Particle Type and Size Affect Ridge Dimensional Changes After Alveolar Ridge Split Procedure? AB - PURPOSE: The absence of an adequate volume of bone at implant sites requires augmentation procedures before the placement of implants. The aim of the present study was to assess the ridge width gain with the use of allografts and biphasic beta-tricalcium phosphate with hydroxyapatite (alloplast) in ridge split procedures, when each were used in small (0.25 to 1 mm) and large (1 to 2 mm) particle sizes. PATIENTS AND METHODS: A randomized controlled trial of 23 subjects with severe atrophy of the mandible in the horizontal dimension was conducted in a private institute. The patients underwent placement of 49 dental implants after a staged ridge split procedure. The patients were randomly allocated to alloplast and allograft groups (predictor variable). In each group, the patients were randomly assigned to either small graft particle or large graft particle size (predictor variable). The gain in ridge width (outcome variable) was assessed before implant placement. A 2-way analysis of variance test and the Student unpaired t test were used for evaluation of the ridge width gain between the allograft and alloplast groups (predictor variable). Differences were considered significant if P values were < .05. RESULTS: The sample included 23 patients (14 men and 9 women). The patients were randomly allocated to the alloplast (n = 11) or allograft (n = 12) group before the ridge split procedure. In each group, they were assigned to a small graft particle or large graft particle size (alloplast group, small particle in 5 and large particle size in 6 patients; allograft group, small particle in 6 and large particle size in 6). A statistically significant difference was observed between the 2 graft types. The average ridge width gain was significantly greater in the alloplast group (large, 4.40 +/- 0.24 mm; small, 3.52 +/- 0.59 mm) than in the allograft group (large, 3.82 +/- 0.19 mm; small, 2.57 +/- 0.16 mm). For both graft types (alloplast and allograft), the large particle size graft resulted in a greater ridge width gain compared with the small particle size graft (P < .05). CONCLUSIONS: Within the limitations of the present study, we suggest the use of large particle alloplast as the graft material of choice for staged ridge split procedures in the posterior mandible. PMID- 29202264 TI - Is Augmentation Required to Correct Malar Deficiency With Maxillary Advancement? AB - PURPOSE: Patients with maxillary hypoplasia also have malar deficiency; therefore, planning can include consideration for simultaneous malar augmentation. The purpose of this study was to compare pre- and postoperative profiles of patients who underwent Le Fort I advancement, with and without malar augmentation, to assess the subjective perception of changes in malar eminence projection. MATERIALS AND METHODS: Patients who had maxillary advancement and mandibular setback with and without malar augmentation were evaluated through a survey consisting of pre- and postoperative photographs that were assessed by professionals and laypersons, and a visual analog scale was used to assess the malar region. Next, pre- and postoperative images were shown side by side and participants were asked to indicate which patients had undergone malar augmentation. Statistical analysis used Wilcoxon signed rank test, independent samples t test, Spearman rank order correlation, and Mann-Whitney U tests. RESULTS: Of 43 patients, 23 met the inclusion criteria and only 7 of the 23 patients received simultaneous malarplasty. Patients in the 2 groups were perceived as having an increase in malar eminence projection postoperatively. In the malarplasty and non-malar cohorts, laypersons and professionals noted an increase in projection (P < .05). Laypersons tended to overestimate the number of malar procedures performed (sensitivity, 59.5%; specificity, 56.8%), whereas professionals were better able to accurately exclude malar augmentation (sensitivity, 44.2%; specificity, 69.9%). CONCLUSIONS: Most patients with maxillary hypoplasia undergoing Le Fort I advancement can expect a subjective improvement in malar projection. The decision for malar augmentation at the time of maxillary advancement should be considered based on patient desires, but, in general, maxillary advancement alone might be sufficient for an optimal malar esthetic outcome. PMID- 29202265 TI - Kernel Bayesian ART and ARTMAP. AB - Adaptive Resonance Theory (ART) is one of the successful approaches to resolving "the plasticity-stability dilemma" in neural networks, and its supervised learning model called ARTMAP is a powerful tool for classification. Among several improvements, such as Fuzzy or Gaussian based models, the state of art model is Bayesian based one, while solving the drawbacks of others. However, it is known that the Bayesian approach for the high dimensional and a large number of data requires high computational cost, and the covariance matrix in likelihood becomes unstable. This paper introduces Kernel Bayesian ART (KBA) and ARTMAP (KBAM) by integrating Kernel Bayes' Rule (KBR) and Correntropy Induced Metric (CIM) to Bayesian ART (BA) and ARTMAP (BAM), respectively, while maintaining the properties of BA and BAM. The kernel frameworks in KBA and KBAM are able to avoid the curse of dimensionality. In addition, the covariance-free Bayesian computation by KBR provides the efficient and stable computational capability to KBA and KBAM. Furthermore, Correntropy-based similarity measurement allows improving the noise reduction ability even in the high dimensional space. The simulation experiments show that KBA performs an outstanding self-organizing capability than BA, and KBAM provides the superior classification ability than BAM, respectively. PMID- 29202266 TI - On-line quantification and human health risk assessment of organic by-products from the removal of toluene in air using non-thermal plasma. AB - Harmful organic by-products, produced during the removal of volatile organic compounds (VOCs) from the air by treatment with non-thermal plasma (NTP), hinder the practical applications of NTP. An on-line quantification and risk assessment method for the organic by-products produced by the NTP removal of toluene from the air has been developed. Formaldehyde, methanol, ketene, acetaldehyde, formic acid, acetone, acetic acid, benzene, benzaldehyde, and benzoic acid were determined to be the main organic by-products by proton transfer reaction mass spectrometry (PTR-MS), a powerful technique for real-time and on-line measurements of trace levels of VOCs, and a health-related index (HRI) was introduced to assess the health risk of these organic by-products. The discharge power (P) is a key factor affecting the formation of the organic by-products and their HRI values. Higher P leads to a higher removal efficiency (eta) and lower HRI. However, higher P also means higher cost and greater production of discharge by-products, such as NOx and O3, which are also very dangerous to the environment and human health. In practical applications P, HRI, and eta must be balanced, and sometimes the risks posed by the organic by-products are even greater than those of the removed compounds. Our mechanistic study reveals that acetone is a crucial intermediate for the removal of toluene by NTP, and we found that toluene molecules first fragment into acetone molecules, followed by other by-products. These observations will guide the study of the mechanism of aromatic molecule dissociation in plasma. PMID- 29202267 TI - Decrease in male mouse fertility by hydrogen sulfide and/or ammonia can Be inheritable. AB - Numerous epidemiological studies suggest that air pollutants cause a decline in the quality of human spermatozoa and thus a reduction in fertility. However, the exact cause of infertility remains unknown. Air pollution gases, such as NH3 and H2S are either free or bound to airborne particular materials (PM) and are abundant and reactive. The aim of this current investigation was to explore the impacts of NH3 and/or H2S on male fertility and the underlying mechanisms. Male mouse exposed to H2S and/or NH3 and after two generations were used to evaluate the impacts on fertility. The fertility, and spermatozoa quality parameters and proteins involved in spermatogenesis were investigated. Our current investigation demonstrates: i) H2S and/or NH3 decrease male fertility by 20-30%, reduce the spermatozoa concentration about 20-40%, decrease 10-20%, increase around 30%; ii) the reduction in male fertility by H2S and/or NH3 can be inheritable; iii) H2S and/or NH3 can diminish male fertility through the disruption of spermatogenesis without affecting other body parameters such as body weight and organ index. One component of air pollutants, for example NH3, does not have a severe impact; however, two or more pollutants such as H2S and NH3 combined can cause serious health problems, especially with regard to male fertility. We suggest that greater attention should be paid to these air pollutants to improve human health and fertility. PMID- 29202268 TI - Metal(loid) accumulation in aquatic plants of a mining area: Potential for water quality biomonitoring and biogeochemical prospecting. AB - Aquatic bryophytes can accumulate extremely high levels of chemical elements because of their unique morphology and physiology which is markedly different from vascular plants. Four aquatic mosses-Fontinalis squamosa, Brachythecium rivulare, Platyhypnidium riparioides, Thamnobryum alopecurum-and a freshwater red alga Lemanea fluviatilis along with water samples from the streams of Gois mine region in Central Portugal were analyzed for 46 elements. Despite being below detection levels in the water samples, the elements Zr, V, Cr, Mo, Ru, Os, Rh, Ir, Pt, Ag, Ge and Bi were obtained in the plant samples. The moss T. alopecurum had the highest mean concentrations of 19 elements followed by B. rivulare (15 elements). Maximum accumulation of Rb, Ta and Au, however, was seen in the alga L. fluviatilis. Bioconcentration factors > 106 were obtained for a few metals. The investigation confirms that aquatic bryophytes can be suitable for water quality biomonitoring and biogeochemical prospecting in fresh water bodies owing to their high accumulative capacity of multi-elements from their aquatic ambient. PMID- 29202269 TI - Opportunities and challenges in the use of mineral nutrition for minimizing arsenic toxicity and accumulation in rice: A critical review. AB - Growing rice on arsenic (As)-contaminated soil or irrigating with As-contaminated water leads to significant accumulation of As in grains. Moreover, rice accumulates more As into grains than other cereal crops. Thus, rice consumption has been identified as a major route of human exposure to As in many countries. Inorganic As species are carcinogenic and could pose a considerable health risk to humans even at low dietary concentration. Genotypic variation and concentration of nutrients such as iron, manganese, phosphate, sulfur and silicon are the two main factors that affect As accumulation in rice grains. Therefore, in addition to better growth and yield of plants, application of specific nutrients in optimum quantities offers an added benefit of decreasing As content in rice grains. These nutrient elements influence speciation of As in rhizosphere, compete with As for root uptake and interfere with As translocations to the shoot and ultimately accumulation in grains. This papers critically appraises the methods, forms and rate of application, mechanisms and extent of efficiency of different mineral nutrients in decreasing As accumulation in rice grains. PMID- 29202270 TI - Effects of neuromuscular electrical stimulation on contralateral quadriceps function. AB - Because maximal voluntary strength of the knee extensor muscles can be facilitated by the concomitant application of neuromuscular electrical stimulation (NMES) to the contralateral homologous muscle, we aimed to determine whether this was associated with an enhanced neural drive to the agonist muscles. A secondary goal of this study was to examine the potential dose-response relationship between NMES intensity and contralateral facilitation. Twelve healthy men (age: 30 +/- 7 yr) completed several maximal voluntary contractions (MVC) of the left knee extensors while the right quadriceps received low intensity NMES (10% MVC), high-intensity NMES (30% MVC) or no NMES. Supramaximal paired stimuli were delivered to the left quadriceps muscle during and immediately after the MVCs to assess voluntary activation. The EMG activity of vastus lateralis (VL) and biceps femoris (BF) was recorded. MVC torque, voluntary activation and VL EMG activity were higher for both low-intensity and high intensity NMES compared to no NMES (P < .05), with no difference between the two NMES conditions. The acute application of NMES to the right quadriceps facilitated MVC strength of the contralateral homonymous muscle by enhancing its efferent neural drive. No evident dose-response relationship between NMES intensity and contralateral facilitation was observed. PMID- 29202271 TI - Microbiota and environmental stress: how pollution affects microbial communities in Manila clams. AB - Given the crucial role of microbiota in host development, health, and environmental interactions, genomic analyses focusing on host-microbiota interactions should certainly be considered in the investigation of the adaptive mechanisms to environmental stress. Recently, several studies suggested that microbiota associated to digestive tract is a key, although still not fully understood, player that must be considered to assess the toxicity of environmental contaminants. Bacteria-dependent metabolism of xenobiotics may indeed modulate the host toxicity. Conversely, environmental variables (including pollution) may alter the microbial community and/or its metabolic activity leading to host physiological alterations that may contribute to their toxicity. Here, 16s rRNA gene amplicon sequencing has been applied to characterize the hepatopancreas microbiota composition of the Manila clam, Ruditapes philippinarum. The animals were collected in the Venice lagoon area, which is subject to different anthropogenic pressures, mainly represented by the industrial activities of Porto Marghera (PM). Seasonal and geographic differences in clam microbiotas were explored and linked to host response to chemical stress identified in a previous study at the transcriptome level, establishing potential interactions among hosts, microbes, and environmental parameters. The obtained results showed the recurrent presence of putatively detoxifying bacterial taxa in PM clams during winter and over-representation of several metabolic pathways involved in xenobiotic degradation, which suggested the potential for host microbial synergistic detoxifying actions. Strong interaction between seasonal and chemically-induced responses was also observed, which partially obscured such potentially synergistic actions. Seasonal variables and exposure to toxicants were therefore shown to interact and substantially affect clam microbiota, which appeared to mirror host response to environmental variation. It is clear that understanding how animals respond to chemical stress cannot ignore a key component of such response, the microbiota. PMID- 29202272 TI - Fish as a model to assess chemical toxicity in bone. AB - Environmental toxicology has been expanding as growing concerns on the impact of produced and released chemical compounds over the environment and human health are being demonstrated. Among the toxic effects observed in organisms exposed to pollutants, those affecting skeletal tissues (osteotoxicity) have been somehow overlooked in comparison to hepato-, immune-, neuro- and/or reproductive toxicities. Nevertheless, sub-lethal effects of toxicants on skeletal development and/or bone maintenance may result in impaired growth, reduced survival rate, increased disease susceptibility and diminished welfare. Osteotoxicity may occur by acute or chronic exposure to different environmental insults. Because of biologically and technically advantagous features - easy to breed and inexpensive to maintain, external and rapid rate of development, translucent larvae and the availability of molecular and genetic tools - the zebrafish (Danio rerio) has emerged in the last decade as a vertebrate model system of choice to evaluate osteotoxicity. Different experimental approaches in fish species and analytical tools have been applied, from in vitro to in vivo systems, from specific to high throughput methodologies. Current knowledge on osteotoxicity and underlying mechanisms gained using fish, with a special emphasis on zebrafish systems, is reviewed here. Osteotoxicants have been classified into four categories according to the pathway involved in the transduction of the osteotoxic effects: activation/inhibition of membrane and/or nuclear receptors, alteration of redox condition, mimicking of bone constituents and unknown pathways. Knowledge on these pathways is also reported here as it may provide critical insights into the development, production and release of future chemical compounds with none or low osteotoxicity, thus promoting the green/environmental friendly chemistry. PMID- 29202273 TI - Effects of barley variety, dietary fiber and beta-glucan content on bile acid composition in cecum of rats fed low- and high-fat diets. AB - Diet-induced obesity and insulin resistance have been linked to changes in bile acid (BA) profiles, which in turn are highly dependent on the dietary composition and activity of the gut microbiota. The objective of the present study was to investigate whether the type and level of fiber had an effect on cecal BA composition when included in low- and high-fat diets. Groups of rats were fed two barley varieties, which resulted in three test diets containing three levels of beta-glucans and two levels of dietary fiber. BAs were preconcentrated using hollow fiber liquid-phase microextraction and quantified by gas chromatography. The amount of the secondary BAs, lithocholic-, deoxycholic- and hyodexycholic acids was generally higher in groups fed high-fat diets compared with corresponding acids in groups fed low-fat diets (P<.05). In contrast, most of the primary and the secondary BAs, ursodeoxycholic acid and beta- and omega muricholic acids, were two to five times higher (P<.05) in groups fed low-fat diets than in groups fed high-fat diets. This was particularly true for groups fed the highest level of beta-glucans and in some cases also the medium level. The BA profile in the gut was strongly dependent on the amount and type of dietary fiber in the diet, which may be useful in the prevention/treatment of diseases associated with changes in BA profiles. PMID- 29202275 TI - Pupil mimicry and trust - Implication for depression. AB - Individuals suffering from depression often have difficulty trusting others. Previous research has shown a relationship between trust formation and pupil mimicry - the synchronization of pupil sizes between individuals. The current study therefore examined whether pupil mimicry is weaker in depressed individuals and an underlying factor of their low levels of trust. Forty-two patients with major depressive disorder (MDD) and 40 healthy control subjects played trust games with virtual partners. Images of these partners' eye regions were presented to participants before they had to make a monetary investment decision. Partners' pupils either dilated, constricted, or remained static over the course of 4-s interactions. During the task, participants' pupil sizes were recorded with eye tracking equipment to assess mimicry. The results confirm that patients with MDD were somewhat less trusting than controls and used another's pupillary cues differently when deciding to trust. Specifically, whereas healthy controls trusted partners with dilating pupils more than partners with constricting pupils, patients with MDD particularly trusted partners whose pupils changed in size less, regardless of whether partners' pupils were dilating or constricting. This difference in investment behavior was unrelated to differences in pupil mimicry, which was equally apparent in both groups and fostered trust to the same extent. Whereas lower levels of trust observed in patients with MDD could not be explained by differences in pupil mimicry, our data show that pupil dilation mimicry might help people to trust. These findings provide further evidence for the important role of pupil size and pupil mimicry in interpersonal trust formation and shed light on the pathophysiology of clinically low trust in patients with MDD. PMID- 29202274 TI - Red raspberries suppress NLRP3 inflammasome and attenuate metabolic abnormalities in diet-induced obese mice. AB - The NLR family pyrin domain containing 3 (NLRP3) inflammasome plays a critical role in insulin resistance and the pathogenesis of type 2 diabetes. Red raspberry (RB) contains high amounts of dietary fibers and polyphenolic compounds, which are known for their anti-oxidative and anti-inflammatory effects. This study evaluated the preventive effects of RB supplementation on the NLRP3 inflammasome activation and associated metabolic abnormalities induced by high fat diet (HFD). Wild-type male mice (six weeks old) were randomized into 4 groups receiving a control or typical western HFD supplemented with or without 5% freeze-dried RB for 12 weeks, when mice were sacrificed for tissue collection. HFD feeding substantially increased body weight, which was alleviated by RB supplementation towards the end of the feeding trial. Dietary RB restored the baseline blood glucose level, ameliorating glucose intolerance and insulin resistance, which were aggravated by HFD. Additionally, HFD reduced O2 expenditure and CO2 production, which were ameliorated by RB consumption. The liver is the key site for energy metabolism and a key peripheral tissue responsive to insulin. RB supplementation reduced hepatic lipid accumulation in HFD mice. In agreement, RB consumption suppressed hepatic NLRP3 inflammasome activation and reduced interleukin (IL)-1beta and IL-18 production in HFD mice, accompanied with normalized mitochondriogenesis. These results suggest that RB consumption improves insulin resistance and metabolic dysfunction in diet-induced obesity, which is concomitant with suppression of NLRP3 inflammasome elicited by HFD. Thus, dietary RB intake is a promising strategy for ameliorating diet-induced metabolic abnormalities. PMID- 29202276 TI - Academic misconduct - Helping students retain their moral compass. PMID- 29202277 TI - Optimizing clobazam treatment in patients with Lennox-Gastaut syndrome. AB - Given the complexities managing Lennox-Gastaut syndrome (LGS)-comorbid conditions, multiple associated seizure types that tend to be refractory to treatment-dosage optimization of antiepileptic drug (AED) treatment is a challenge. In the absence of clinical trial data on optimization of AED dosage in patients with LGS, dose titration is guided by personal experience, anecdotal evidence, and specific patient factors (age, comorbid conditions and medications, seizure types, etc.). The goal of this study was to determine whether a 20% increase in adjunctive clobazam was a reasonable benchmark for improved seizure response in patients with LGS who had responded to adjunctive clobazam treatment during a 12-week lead-in trial. This was a post hoc analysis of data from a long term, open-label extension (OLE) study, which comprised patients who completed 1 of 2 pivotal clobazam lead-in studies. During the lead-in studies, patients received either placebo or clobazam (0.25, 0.50, or 1.0mg/kg/d) (maximum 40mg/d); during OLE, patients received clobazam up to 2.0mg/kg/d (maximum 80mg/d). The post hoc analysis population comprised patients who had >=25%, >=50%, or >=75% seizure reduction from baseline during lead-in clobazam treatment and >=12months of follow-up data during OLE. Successful dosage increase (i.e., dosage optimization) was defined as >=20% clobazam dosage increase from OLE baseline, and improved seizure control from OLE baseline (improvement in seizure responder status, or >50% reduction in total seizure frequency). Patients were stratified by responder status after lead-in treatment (OLE baseline) and by lead-in clobazam dosage received. The findings of the analysis indicated that clobazam dosage increases of >=20% during long-term treatment improved seizure control >80% of patients with LGS who responded to clobazam during lead-in treatment. Rates of successful dosage increase during OLE were high regardless of lead-in dosage received, with the highest rate of successful dosage increase among patients who received low-dosage clobazam during lead-in. Similarly, rates of successful dose increase were high regardless of lead-in seizure responder category, with the highest rates occurring in patients with the highest (>=75%) lead-in response. PMID- 29202278 TI - Treatment Outcomes of 257 Patients with Locoregionally Advanced Nasopharyngeal Carcinoma Treated with Nimotuzumab Plus Intensity-Modulated Radiotherapy with or without Chemotherapy: A Single-Institution Experience. AB - OBJECTIVES: To report the long-term outcome and toxicity of locoregionally advanced nasopharyngeal carcinoma (LA NPC) treated with nimotuzumab (h-R3) plus intensity-modulated radiotherapy (IMRT) with or without chemotherapy. METHODS: From May 2008 to March 2014, 3022 newly histology-proven, nonmetastatic NPC patients were retrospectively reviewed; among them, 257 patients treated with h R3 were enrolled in this study. The patients' age range was between 10 and 76 years. The distribution of patients by disease stage was 150 (58.4%) in stage III, 88 (34.2%) in stage IV A, and 19 (7.4%) in stage IV B. All the patients received the treatment of h-R3 plus IMRT, and from them, 239 cases were also treated with cisplatin-based chemotherapy. Acute and late radiation-related toxicities were graded according to the Acute and Late Radiation Morbidity Scoring Criteria of Radiation Therapy Oncology Group. The accumulated survival was calculated according to the Kaplan-Meier method. Log-rank test was used to compare the survival difference. Multivariate analysis was performed using Cox's proportional-hazard model. RESULTS: All 257 patients had completed combined treatment; 231 patients received h-R3 plus IMRT with induction chemotherapy (IC), while 26 patients received only h-R3 plus IMRT. With a median follow-up of 48 months (range, 13-75 months), the estimated 5-year local recurrence-free survival, regional recurrence-free survival, distant metastases-free survival, progression-free survival, and overall survival (OS) rates were 94.3%, 94.8%, 91.9%, 83.4%, and 86.2%, respectively. Univariate analysis showed that age, T stage, clinical stage, and IC were related with OS. Multivariate analysis indicated that T stage and IC were independent prognostic factors for OS. The incidence of grade 3 to 4 acute mucositis and leukocytopenia was 10.9% and 19.8%, respectively, with no cases of skin rash and infusion reaction. Xerostomia was the most common late complication, and the degree of dry mouth in most survivors was mild to moderate at the last follow-up time. CONCLUSION: h-R3 plus IMRT with or without chemotherapy showed promising outcomes in terms of locoregional control and survival without increasing the incidence of radiation-related toxicities for patients. PMID- 29202279 TI - Cancer-Specific Inhibitory Effects of Genetically Engineered Stem Cells Expressing Cytosine Deaminase and Interferon-beta Against Choriocarcinoma in Xenografted Metastatic Mouse Models. AB - Cancer treatments using stem cells expressing therapeutic genes have been identified for various types of cancers. In this study, we investigated inhibitory effects of HB1.F3.CD and HB1.F3.CD.IFN-beta cells expressing Escherichia coli cytosine deaminase (CD) and human interferon-beta (IFN-beta) genes in intravenously (i.v.) injected mice with a metastasis model. In this treatment, pro-drug 5-fluorocytosine (5-FC) is converted to cytotoxic drug 5 fluorouracil by hNSCs expressing the CD gene, which inhibits DNA synthesis in cancer cells. Moreover, IFN-beta induces apoptosis and reduces the growth of cancer cells. Upon MTT assay, proliferation of choriocarcinoma (JEG-3) cells decreased when co-cultured with hNSCs expressing CD and IFN-beta genes. To confirm the cancer-tropic effect of these stem cells, chemoattractant factors (VEGF, CXCR4, and C-kit) secreted from JEG-3 cells were identified by polymerase chain reaction. hNSCs migrate toward JEG-3 cells due to ligand-receptor interactions of these factors. Accordingly, the migration capability of hNSCs toward JEG-3 cells was confirmed using an in vitro Trans-well assay, in vivo subcutaneously (s.c.) injected mice groups (xenograft model), and metastasis model. Intravenously injected hNSCs migrated freely to other organs when compared to s.c. injected hNSCs. Thus, we confirmed the inhibition of lung and ovarian metastasis of choriocarcinoma by i.v. injected HB1.F3.CD or HB1.F3.CD.IFN-beta cells in the presence of 5-FC. Treatment of these stem cells also increased the survival rates of mice. In conclusion, this study showed that metastatic cancer was diminished by genetically engineered hNSCs and noncytotoxic drug 5-FC. This is the first report of the therapeutic potential of i.v. injected hNSCs in a metastasis model; therefore, the results indicate that this stem cell therapy can be used as an alternative novel tool to treat metastatic choriocarcinoma. PMID- 29202280 TI - No evidence for common processes of cognitive control and self-control. AB - Cognitive control and self-control are often used as interchangeable terms. Both terms refer to the ability to pursue long-term goals, but the types of controlled behavior that are typically associated with these terms differ, at least superficially. Cognitive control is observed in the control of attention and the overcoming of habitual responses, while self-control is observed in resistance to short-term impulses and temptations. Evidence from clinical studies and neuroimaging studies suggests that below these superficial differences, common control process (e.g., inhibition) might guide both types of controlled behavior. Here, we study this hypothesis in a behavioral experiment, which interlaced trials of a Simon task with trials of an intertemporal decision task. If cognitive control and self-control depend on a common control process, we expected conflict adaptation from Simon task trials to lead to increased self control in the intertemporal decision trials. However, despite successful manipulations of conflict and conflict adaptation, we found no evidence for this hypothesis. We investigate a number of alternative explanations of this result and conclude that the differences between cognitive control and self-control are not superficial, but rather reflect differences at the process level. PMID- 29202281 TI - Structure and properties of epoxy-siloxane-silica nanocomposite coatings for corrosion protection. AB - HYPOTHESIS: The fraction of the silica/siloxane phase is a crucial parameter, which determines the structure and thus the properties of epoxy-siloxane-silica hybrid coatings. A careful adjustment of the colloidal precursor formulation allows tuning the nanostructure towards a highly condensed and cross-linked hybrid nanocomposite, suitable as an efficient anticorrosive coating. EXPERIMENTS: Novel epoxy-siloxane-silica hybrids have been prepared through the curing reaction of poly(bisphenol A-co-epichlorohydrin) (DGEBA) with diethyltriamine (DETA) and (3-glycidoxypropyl)methyltriethoxysilane (GPTMS), followed by hydrolytic condensation of tetraethoxysilane (TEOS) and GPTMS. At a constant proportion of the organic phase, the effects of the varying molar proportions of siloxane (GPTMS) and silica (TEOS) on the film properties have been investigated. FINDINGS: A detailed structural analysis suggests for intermediate TEOS to GPTMS ratios a structure of highly condensed silica-siloxane domains covalently bonded to the embedding epoxy phase. The homogeneous distribution of the quasi-spherical sub-nonmetric silica-siloxane nodes is in agreement with low surface roughness (<5 nm), observed by atomic force microscopy. This dense nanostructure results in high thermal stability (>300 degrees C), strong adhesion to steel substrate and excellent barrier property in saline solution, with corrosion resistance in the GOmega cm2 range. PMID- 29202282 TI - Treatment of heavy metal polluted industrial wastewater by a new water treatment process: ballasted electroflocculation. AB - This laboratory study investigated the parameters efficiency of the new technology: ballasted electro-flocculation (BEF) using aluminum (Al) electrodes to remove cadmium and zinc from industrial mining wastewater (MWW). The principle of the BEF process is based on the use of micro-sand and polymer together to increase the weight of the flocs and the rate at which they settle is radically changing the electrocoagulation-electroflocculation settling methodology. Based on the examination of the operation parameters one by one, the best removal percentage was obtained at a current intensity of 2A, a the flow rate of 20L/h, a micro-sand dose of 6g/L, a polyethyleneimine (PEI) polymer dose of 100mg, the contact times of 30min, a stirring speed of 50 RPM, a monopolar configuration of the electrodes, and an electrodes number of 10. The results showed that the flow rate and the current density have a preponderant effect on the variability of the quality of the settled water. In comparison, filterability was found to be more sensitive to number of electrodes, micro sand dosages and current density. It was dependent on the ratio of microsand to PEI polymer dosage, and improved when this ratio increased. Response surface methodology was applied to evaluate the main effects and interactions among stirring speed, polymer dose, current intensity, and electrodes number. The removal of Cd and Zn from industrial MWW was done for very low cost of 0.1TND/m3 equivalent to 0.04?/m3. The investigation of BEF process proposes a highly cost-effective wastewater treatment method if compared to Actiflo TM and electrocoagulation. PMID- 29202283 TI - Brominated flame retardants and toxic elements in the meat and liver of red deer (Cervus elaphus), wild boar (Sus scrofa), and moose (Alces alces) from Latvian wildlife. AB - In order to evaluate the contamination status of terrestrial biota in Latvia, muscle and liver tissues of red deer (Cervus elaphus), wild boar (Sus scrofa), and moose (Alces alces) were analyzed for the content of polybrominated diphenyl ethers (PBDE), hexabromocyclododecane (HBCD), tetrabromobisphenol A (TBBPA), as well as cadmium and lead. The highest mean concentrations of PBDEs (46.6pgg-1 wet weight (w.w.)), cadmium (0.95mgkg-1 w.w.), and lead (0.22mgkg-1 w.w.) were observed in the tissues of moose, while the wild boar samples contained the highest levels of HBCD, with the mean concentration equal to 264pgg-1 w.w. in muscle tissues. Generally low mean concentrations of TBBPA from 0.52 to 4.54pgg-1 w.w. were observed. The liver tissue of all analyzed specimens was found to contain higher concentrations of contaminants, compared to muscle tissue. The congener profile of PBDEs in the analyzed tissues indicated that the recently used "penta-BDE" formulation was a probable source, while components of HBCD, "octa-BDE", and "deca-BDE" technical mixtures are likely to undergo congener specific or diastereomer-specific bioaccumulation or metabolic degradation. Considering the reports from other regions, it can be concluded that the terrestrial biota in Latvia is less affected by the studied contaminants. PMID- 29202284 TI - Recent evolution of 129I levels in the Nordic Seas and the North Atlantic Ocean. AB - Most of the anthropogenic radionuclide 129I released to the marine environment from the nuclear fuel reprocessing plants (NFRP) at Sellafield (England) and La Hague (France) is transported to the Arctic Ocean via the North Atlantic Current and the Norwegian Coastal Current. 129I concentrations in seawater provides a powerful and well-established radiotracer technique to provide information about the mechanisms which govern water mass transport in the Nordic Seas and the Arctic Ocean and is gaining importance when coupled with other tracers (e.g. CFC, 236U). In this work, 129I concentrations in surface and depth profiles from the Nordic Seas and the North Atlantic (NA) Ocean collected from four different cruises between 2011 and 2012 are presented. This work allowed us to i) update information on 129I concentrations in these areas, required for the accurate use of 129I as a tracer of water masses; and ii) investigate the formation of deep water currents in the eastern part of the Nordic Seas, by the analysis of 129I concentrations and temperature-salinity (T-S) diagrams from locations within the Greenland Sea Gyre. In the Nordic Seas, 129I concentrations in seawater are of the order of 109 at.kg-1, one or two orders of magnitude higher than those measured at the NA Ocean, not so importantly affected by the releases from the NFRP. 129I concentrations of the order of 108atoms.kg-1 at the Ellet Line and the PAP suggest a direct contribution from the NFRP in the NA Ocean. An increase in the concentrations in the Nordic Seas between 2002 and 2012 has been detected, which agrees with the temporal evolution of the 129I liquid discharges from the NFRPs in years prior to this. Finally, 129I profile concentrations, 129I inventories and T-S diagrams suggest that deep water formation occurred in the easternmost area of the Nordic Seas during 2012. PMID- 29202285 TI - A historical perspective on soil organic carbon in Mediterranean cropland (Spain, 1900-2008). AB - Soil organic carbon (SOC) management is key for soil fertility and for mitigation and adaptation to climate change, particularly in desertification-prone areas such as Mediterranean croplands. Industrialization and global change processes affect SOC dynamics in multiple, often opposing, ways. Here we present a detailed SOC balance in Spanish cropland from 1900 to 2008, as a model of a Mediterranean, industrialized agriculture. Net Primary Productivity (NPP) and soil C inputs were estimated based on yield and management data. Changes in SOC stocks were modeled using HSOC, a simple model with one inert and two active C pools, which combines RothC model parameters with humification coefficients. Crop yields increased by 227% during the studied period, but total C exported from the agroecosystem only increased by 73%, total NPP by 30%, and soil C inputs by 20%. There was a continued decline in SOC during the 20th century, and cropland SOC levels in 2008 were 17% below their 1933 peak. SOC trends were driven by historical changes in land uses, management practices and climate. Cropland expansion was the main driver of SOC loss until mid-20th century, followed by the decline in soil C inputs during the fast agricultural industrialization starting in the 1950s, which reduced harvest indices and weed biomass production, particularly in woody cropping systems. C inputs started recovering in the 1980s, mainly through increasing crop residue return. The upward trend in SOC mineralization rates was an increasingly important driver of SOC losses, triggered by irrigation expansion, soil cover loss and climate change-driven temperature rise. PMID- 29202286 TI - PM10 concentration forecasting in the metropolitan area of Oviedo (Northern Spain) using models based on SVM, MLP, VARMA and ARIMA: A case study. AB - Atmospheric particulate matter (PM) is one of the pollutants that may have a significant impact on human health. Data collected over seven years in a city of the north of Spain is analyzed using four different mathematical models: vector autoregressive moving-average (VARMA), autoregressive integrated moving-average (ARIMA), multilayer perceptron (MLP) neural networks and support vector machines (SVMs) with regression. Measured monthly average pollutants and PM10 (particles with a diameter less than 10MUm) concentration are used as input to forecast the monthly averaged concentration of PM10 from one to seven months ahead. Simulations showed that the SVM model performs better than the other models when forecasting one month ahead and also for the following seven months. PMID- 29202287 TI - Combined use of geophysical and geochemical methods to assess areas of active, degrading and restored blanket bog. AB - Here we combine the use of geo-electrical techniques with geochemical analysis of the solid and liquid phase to determine subsurface properties and general peatland health. Active, degrading and restored peat locations were analysed from the same blanket bog site (ensuring they were under the same environmental conditions, such as rainfall and temperature) at the Garron Plateau, Northern Ireland. A normalized chargeability (ratio of resistivity (inverse of conductivity) and chargeability) profile was compared with organic composition analysis of the solid and liquid phases from active, degrading and restored locations. Results show that the degrading location is undergoing high rates of decomposition and loss of organic matter into the interstitial water, whereas the opposite is true for the active location. The restored peat is showing low rates of decomposition however has a high concentration of organic material in the porewater, primarily composing long chain aliphatic compounds, sourced from vascular plants. The ingression of vascular plants permits the diffusion of oxygen via roots into the subsurface and supports the oxidation of phenols by phenol oxidase, which produces phenoxy radicals and quinones (CO double bonds). This production of conjugated quinones, which are characterized by a CO double bond, in the aerated degrading and restored locations, increase the polarity, cation exchange capacity, and the normalized chargeability of the peat. This higher chargeability is not evident in the active peat due to decreased aerobic decomposition and a domination of sphagnum mosses. PMID- 29202288 TI - Role of chelant on Cu distribution and speciation in Lolium multiflorum by synchrotron techniques. AB - Chelants are known to enhance metal translocation in plants; however, the underlying mechanisms are still not fully understood. This study aimed to elucidate the distribution and speciation of Cu in ryegrass (Lolium multiflorum) in both absence and presence of the biodegradable chelant [S,S']-ethylenediamine disuccinic acid (EDDS). The results showed that EDDS increased the Cu translocation factor from root to shoot by 6-9 folds under CuEDDS in comparison with free Cu (50-250MUM). Synchrotron-based microscopic X-ray fluorescence (MU XRF) mapping revealed that EDDS alleviated Cu deposition in the root meristem of root apex and the junction of lateral root zone, and facilitated Cu transport to root stele for subsequent translocation upwards. X-ray absorption near edge structure (XANES) analysis found that free Cu was sequestered in plants as a mixture of Cu-organic ligands. In the EDDS treatment, Cu was primarily present as CuEDDS (49-67%) in plants with partial chemical transformation to Cu-histidine (21-36%) and Cu(I)-glutathione (0-24%). These results suggest that EDDS improves internal Cu mobility through forming CuEDDS, thus decreasing the root sequestration of Cu, and ultimately facilitating Cu transport to plant shoots. PMID- 29202289 TI - Concentrating mixtures of neuroactive pharmaceuticals and altered neurotransmitter levels in the brain of fish exposed to a wastewater effluent. AB - Fish can be exposed to a variety of neuroactive pharmaceuticals via the effluent discharges from wastewater treatment plants and concerns have arisen regarding their potential impacts on fish behaviour and ecology. In this study, we investigated the uptake of 14 neuroactive pharmaceuticals from a treated wastewater effluent into blood plasma and brain regions of roach (Rutilus rutilus) after exposure for 15days. We show that a complex mixture of pharmaceuticals including, 6 selective serotonin reuptake inhibitors, a serotonin noradrenaline reuptake inhibitor, 3 atypical antipsychotics, 2 tricyclic antidepressants and a benzodiazepine, concentrate in different regions of the brain including the telencephalon, hypothalamus, optic tectum and hindbrain of effluent-exposed fish. Pharmaceuticals, with the exception of nordiazepam, were between 3-40 fold higher in brain compared with blood plasma, showing these neuroactive drugs are readily uptaken, into brain tissues in fish. To assess for the potential for any adverse ecotoxicological effects, the effect ratio was calculated from human therapeutic plasma concentrations (HtPCs) and the measured or predicted fish plasma concentrations of pharmaceuticals. After accounting for a safety factor of 1000, the effect ratios indicated that fluoxetine, norfluoxetine, sertraline, and amitriptyline warrant prioritisation for risk assessment studies. Furthermore, although plasma concentrations of all the pharmaceuticals were between 33 and 5714-fold below HtPCs, alterations in serotonin, glutamate, acetylcholine and tryptophan concentrations were observed in different brain regions of effluent-exposed fish. This study highlights the importance of determining the potential health effects arising from the concentration of complex environmental mixtures in risk assessment studies. PMID- 29202290 TI - Insights about the toxic effects of tannery effluent on Lithobates catesbeianus tadpoles. AB - Tannery industries are considered highly polluting due to the large production of polluted wastewater [untreated tannery effluent (UTE)]. Although previous studies have already shown the consequences from fish, birds and mammals' exposure to this pollutant, little is known about its toxicological effect on representatives of class amphibian. Thus, we aim at assessing whether short-term UTE exposure, even at low concentrations (0.2% UTE diluted in water), would be able to induce behavioral, morphological and cyto-genotoxic changes in L. catesbeianus tadpoles. In order to do so, two experimental groups were set (control and tannery effluent) and exposed, or not, to UTE for seven days. A positive control group (cyclophosphamide) was included in the experimental design in order to assess cyto-genotoxicity. Our behavioral results showed that tadpoles exposed to the contaminant presented abnormal responses in the predator-response test; therefore, it evidenced losses in their capacity to recognize chemical olfactory cues of a potential predator. We also searched for changes in mouth length, in dentition, in body length before and after the eyes of animals exposed to UTE. Besides, we observed higher nuclear abnormality frequency in the circulating erythrocytes of tadpoles exposed to the contaminant, as well as in animals belonging to the positive control group. Some of the observed abnormalities were micronuclei, binucleated, notched, kidney-shaped and blebbed cells, multilobulated nuclei, as well as lower mitotic index. Therefore, our data confirm the hypothesis that UTE causes behavioral, morphological and cyto genotoxic changes in L. catesbeianus tadpoles, fact that opens new perspectives to other investigations about how and which UTE constituents were responsible for the observed effects. PMID- 29202292 TI - Letter to the editor, TiO2 nanoparticles in the marine environment: Impact on the toxicity of phenanthrene and Cd2+ to marine zooplankton Artemia salina. PMID- 29202291 TI - Modeling the effects of climatic and land use changes on phytoplankton and water quality of the largest Turkish freshwater lake: Lake Beysehir. AB - Climate change and intense land use practices are the main threats to ecosystem structure and services of Mediterranean lakes. Therefore, it is essential to predict the future changes and develop mitigation measures to combat such pressures. In this study, Lake Beysehir, the largest freshwater lake in the Mediterranean basin, was selected to study the impacts of climate change and various land use scenarios on the ecosystem dynamics of Mediterranean freshwater ecosystems and the services that they provide. For this purpose, we linked catchment model outputs to the two different processed-based lake models: PCLake and GLM-AED, and tested the scenarios of five General Circulation Models, two Representation Concentration Pathways and three different land use scenarios, which enable us to consider the various sources of uncertainty. Climate change and land use scenarios generally predicted strong future decreases in hydraulic and nutrient loads from the catchment to the lake. These changes in loads translated into alterations in water level as well as minor changes in chlorophyll a (Chl-a) concentrations. We also observed an increased abundance of cyanobacteria in both lake models. Total phosphorus, temperature and hydraulic loading were found to be the most important variables determining cyanobacteria biomass. As the future scenarios revealed only minor changes in Chl-a due to the significant decrease in nutrient loads, our results highlight that reduced nutrient loading in a warming world may play a crucial role in offsetting the effects of temperature on phytoplankton growth. However, our results also showed increased abundance of cyanobacteria in the future may threaten ecosystem integrity and may limit drinking water ecosystem services. In addition, extended periods of decreased hydraulic loads from the catchment and increased evaporation may lead to water level reductions and may diminish the ecosystem services of the lake as a water supply for irrigation and drinking water. PMID- 29202293 TI - Sulfur-modified rice husk biochar: A green method for the remediation of mercury contaminated soil. AB - Mercury (Hg) contamination of surface soils has increased by ~86Giga grams due to anthropogenic activities. There is an urgent need to find new, effective and preferably 'green' remediation technologies to protect human health and the environment. Sulfur-modification of sorbents can greatly enhance Hg sorption capacity - by forming low solubility HgS (cinnabar). However, S-modified sorbents are not considered suitable for soil remediation due to the economic cost and secondary environmental impacts of sorbents such as granulated activated carbon (GAC), and the toxicity of S-modifiers such as thiol compounds. It was previously found that if biochar is used as an alternative to GAC then the overall environmental impact can be significantly reduced. However, due to a lack of experimental evidence, the practicality of S-modified biochar remains uncertain. The present study was undertaken to provide a proof-of-concept for the 'green' remediation of Hg contaminated soils with rice husk biochar modified with non toxic elemental S. It was found that the S modification process increased the biochar S content from 0.2% to 13.04% via surface deposition or volume pore filling. This increased the biochar's Hg2+ adsorptive capacity (Qmax) by ~73%, to 67.11mg/g. To assess the performance of S-modified rice husk biochar for soil remediation it was applied to a high 1000mg/kg Hg2+ contaminated soil. Treatment dosages of 1%, 2% and 5% (dry wt.) were found to reduce freely available Hg in TCLP (toxicity characterization leaching procedure) leachates by 95.4%, 97.4% and 99.3%, respectively, compared to untreated soil. In comparison, unmodified rice husk biochar reduced Hg concentrations by 94.9%, 94.9% and 95.2% when applied at the same treatment dosage rates, respectively. This study has revealed that S modified rice husk biochar has potential to stabilize Hg as a 'green' method for the remediation of contaminated soils. PMID- 29202294 TI - Comparative live-imaging of in vivo EROD (ethoxyresorufin-O-deethylase) induction in zebrafish (Danio rerio) and fathead minnow (Pimephales promelas) embryos after exposure to PAHs and river sediment extracts. AB - The measurement of EROD (ethoxyresorufin-O-deethylase) activity to determine the induction of CYP1A after exposure to dioxin-like substances is a well-established biomarker in fish. For reasons of animal welfare and implementations of new chemicals regulations (REACh), in vivo methods using zebrafish (Danio rerio) and medaka (Oryzias latipes) embryos have recently been developed to quantify CYP1A induction, which is visualized as mean intensity of the autofluorescent resorufin formed in living anaesthetized embryos. In the present study, concentration ranges of three PAHs (benzo[a]pyrene, beta-naphthoflavone, benzo[k]fluoranthene) as examples of known CYP1A inducers as well as extracts of two well-characterized sediment samples of the lower Neckar river (Southern Germany) were used to determine the suitability of the fathead minnow (Pimephales promelas) embryo for the in vivo EROD assay. Data for zebrafish embryos were generated for comparison. Fathead minnow embryos were principally suitable to show in vivo EROD induction via live-imaging. Since in fathead minnow embryos both signal area and fluorescence intensities are lower than in zebrafish embryos, the induction potentials of the three model PAHs and the environmental samples proved to be species-dependent. Among the three PAHs tested, benzo[k]fluoranthene lead to the strongest EROD signal followed by beta-naphthoflavone and benzo[a]pyrene in comparison to the positive control. Whereas benzo[k]fluoranthene and beta naphthoflavone showed a dose-response relationship for the EROD induction, benzo[a]pyrene failed to induce a significant signal in fathead minnow embryos. If compared to the model PAHs, the extracts of both sediments from the lower Neckar River induced stronger EROD signals in both fathead minnow and zebrafish embryos. Observations thus documented fathead minnow embryos to be as suitable for biomonitoring purposes as are zebrafish embryos. PMID- 29202295 TI - Constitutive MAP-kinase activation suppresses germline apoptosis in NTH-1 DNA glycosylase deficient C. elegans. AB - Oxidation of DNA bases, an inevitable consequence of oxidative stress, requires the base excision repair (BER) pathway for repair. Caenorhabditis elegans is a well-established model to study phenotypic consequences and cellular responses to oxidative stress. To better understand how BER affects phenotypes associated with oxidative stress, we characterised the C. elegans nth-1 mutant, which lack the only DNA glycosylase dedicated to repair of oxidative DNA base damage, the NTH-1 DNA glycosylase. We show that nth-1 mutants have mitochondrial dysfunction characterised by lower mitochondrial DNA copy number, reduced mitochondrial membrane potential, and increased steady-state levels of reactive oxygen species. Consistently, nth-1 mutants express markers of chronic oxidative stress with high basal phosphorylation of MAP-kinases (MAPK) but further activation of MAPK in response to the superoxide generator paraquat is attenuated. Surprisingly, nth-1 mutants also failed to induce apoptosis in response to paraquat. The ability to induce apoptosis in response to paraquat was regained when basal MAPK activation was restored to wild type levels. In conclusion, the failure of nth-1 mutants to induce apoptosis in response to paraquat is not a direct effect of the DNA repair deficiency but an indirect consequence of the compensatory cellular stress response that includes MAPK activation. PMID- 29202296 TI - A performance study on three qPCR quantification kits and their compatibilities with the 6-dye DNA profiling systems. AB - DNA quantification plays an integral role in forensic DNA profiling. Not only does it estimate the total amount of amplifiable human autosomal and male DNA to ensure optimal amplification of target DNA for subsequent analysis, but also assesses the extraction efficiency and purity of the DNA extract. Latest DNA quantification systems even offer an estimate for the degree of DNA degradation in a sample. Here, we report the performance of three new generation qPCR kits, namely Investigator(r) Quantiplex HYres Kit from QIAGEN, Quantifiler(r) Trio DNA Quantification Kit from Applied BiosystemsTM, and PowerQuant(r) System from Promega, and their compatibilities with three 6-dye DNA profiling systems. Our results have demonstrated that all three kits generate standard curves with satisfactory consistency and reproducibility, and are capable of screening out traces of male DNA in the presence of 30-fold excess of female DNA. They also exhibit a higher tolerance to PCR inhibition than Quantifiler(r) Human DNA Quantification Kit from Applied BiosystemsTM in autosomal DNA quantification. PowerQuant(r), as compared to Quantiplex HYres and Quantifiler(r) Trio, shows a better precision for both autosomal and male DNA quantifications. Quantifiler(r) Trio and PowerQuant(r) in contrast to Quantiplex HYres offer better correlations with lower discrepancies between autosomal and male DNA quantification, and their additional degradation index features provide a detection platform for inhibited and/or degraded DNA template. Regarding the compatibility between these quantification and profiling systems: (1) both Quantifiler(r) Trio and PowerQuant(r) work well with GlobalFiler and Fusion 6C, allowing a fairly accurate prediction of their DNA typing results based on the quantification values; (2) Quantiplex HYres offers a fairly reliable IPC system for detecting any potential inhibitions on Investigator 24plex, whereas Quantifiler(r) Trio and PowerQuant(r) suit better for GlobalFiler and Fusion 6C. PMID- 29202297 TI - Finite element investigation of the effect of nucleus removal on vibration characteristics of the lumbar spine under a compressive follower preload. AB - Previous studies have reported the effect of removing the nucleus on biomechanical responses of the human spine to static loadings. However, few studies have dealt with the whole-body vibration condition. The purpose of this study was to investigate the effect of a single-level (L4-L5) nucleus removal on vibration characteristics of the whole lumbar spine in the presence of a physiologic compressive preload, and also to evaluate the preload effect on the vibration characteristics. A 3-D non-linear finite element model of the lumbar spine (L1 to sacrum) subjected to the physiologic conditions of a compressive follower preload was developed and validated. Comparative studies on forced vibration responses between the intact and denucleated models were conducted. The results from the forced-vibration (transient dynamic) analyses considering axial cyclic loading indicated that the nucleus removal increased the dynamic responses at all disc levels. For example, at the denucleated L4-L5 level, after nucleus removal the maximum response values of disc bulge and von-Mises stress in annulus increased by 63.9% and 110.5% respectively, and their vibration amplitudes increased by 97.9% and 139.7% respectively. At other levels, the predicted maximum response values and vibration amplitudes of the stresses and strains also produced 3.1-7.5% and 10.8-30.6% increases respectively due to the nucleus removal, and a relatively larger increase was observed at level L5-S1. It was also found that increasing the preload increased the stresses and strains at all levels but decreased their vibration amplitudes. Nucleus removal at a single level deteriorates the effects of vibration on whole lumbar spine. Also, increasing the preload alters vibration characteristics of the spine. These findings may be useful to provide a guideline for the patients suffering from lumbar disc degeneration to minimize the risk of further injury and discomfort. PMID- 29202298 TI - Impact of pH and application time of meta-phosphoric acid on resin-enamel and resin-dentin bonding. AB - PURPOSE: To evaluate the immediate microshear resin-enamel bond strength (MUSBS) and the immediate and 6-month microtensile bond strength (MUTBS) and nanoleakage (NL) of the adhesive interface performed by different pHs of 40% meta-phosphoric acid (MPA) were compared with conventional 37% ortho-phosphoric acid (OPA) under different application times. Additionally, the enamel etching patterns were evaluated and the chemical/morphological changes induced by these differents groups were evaluated. MATERIALS AND METHODS: One hundred and ninety-eight extracted human molars were randomly assigned into experimental groups according to the combination of independent variables: Acid [37% ortho-phosphoric acid (OPA), 40% meta-phosphoric acid (MPA) at pHs of: 0.5, 1 and 2] and Application Time [7, 15 and 30s]. Enamel-bond specimens were prepared and tested under MUSBS. Resin-dentin beams were tested under MUTBS tested immediately or after 6-months of water storage. Nanoleakage was evaluated using bonded-beams of each tooth/time period. Enamel etching pattern and chemical and ultra-morphology analyses were also performed. The MUSBS (MPa) data were subjected to a two-way repeated measures ANOVA (Acid vs. Application time). For MUTBS, Acid vs application time vs storage time data were subjected to three-way ANOVA and Tukey's test (alpha = 0.05). RESULTS: MPA pH 0.5 showed MUTBS similar to OPA, independently of the application time on enamel (p>0.05) or dentin (p>0.05). OPA provided higher nanoleakage values than MPA (p = 0.003). Significant decreases in TBS and increases in NL were only observed for OPA after 6 months (p = 0.001). An increase in the application time resulted in a more pronounced etching pattern for MPA. Chemical analysis showed that dentin demineralized by MPA depicted peaks of brushite and octacalcium phosphate. MPA exposed less collagen than OPA. However, optimal results for MPA were dependent on pH/application time. CONCLUSION: The use of 40% meta-phosphoric acid with a pH of 0.5 is an alternative acid-etching agent for dentin and enamel bonding. Furthermore, the use of MPA preserves the resin-dentin interface over a 6-months period, due to presence of brushite and octacalcium phosphate and a reduced demineralization pattern. PMID- 29202299 TI - Repression of interferon beta-regulated cytokines by the JAK1/2 inhibitor ruxolitinib in inflammatory human macrophages. AB - Ruxolitinib is a Janus kinase (JAK) 1/2 inhibitor, currently used in the treatment of myeloproliferative neoplasms. It exerts potent anti-inflammatory activity, but the involved molecular and cellular mechanisms remain poorly understood. In order to gain insights about this point, ruxolitinib effects towards expression of main inflammatory cytokines were studied in human macrophages, which constitute a key-cell type implicated in inflammation. Analysis of mRNA expression of cytokines (n=84) by PCR array indicated that, among those induced by the pro-inflammatory stimulus lipopolysaccharide (LPS) (n=44), 61.4% (n=27) were repressed by 5MUM ruxolitinib. The major inflammatory cytokines, interleukin (IL) 6 and tumor necrosis factor alpha, were notably down regulated by ruxolitinib at both the mRNA and protein level. Other repressed cytokines included IL27 and the chemokines CCL2, CXCL9, CXCL10 and CXCL11, but not IL1beta. The interferon (IFN) beta/JAK/signal transducer and activator of transcription (STAT) pathway, well-activated by LPS in human macrophages as demonstrated by increased secretion of IFNbeta, STAT1 phosphorylation, and up regulation of reference IFNbeta-responsive genes, was concomitantly blocked by the JAK inhibitor. Most of cytokines targeted by ruxolitinib were shown to be regulated by IFNbeta in a JAK-sensitive manner. In addition, counteracting the IFNbeta/JAK/STAT cascade using a blocking monoclonal antibody directed against IFNbeta receptor resulted in a similar profile of cytokine repression to that observed in response to the JAK inhibitor. Overall, these data provide evidence for ruxolitinib-mediated repression of inflammatory cytokines in human macrophages through inhibition of the LPS/IFNbeta/JAK/STAT signalling pathway, which probably contributes to the anti-inflammatory effects of the JAK inhibitor. PMID- 29202300 TI - Dihydrofisetin exerts its anti-inflammatory effects associated with suppressing ERK/p38 MAPK and Heme Oxygenase-1 activation in lipopolysaccharide-stimulated RAW 264.7 macrophages and carrageenan-induced mice paw edema. AB - Dihydrofisetin is a flavanonol derived from some edible wild herbs and traditional Chinese medicines. It has been found to possess many biological activities. However, the anti-inflammatory potential of Dihydrofisetin remains uncharacterized. The aim of the present study was to investigate the anti inflammatory activity of Dihydrofisetin and its underlying mechanisms. We found that Dihydrofisetin dose-dependently inhibited lipopolysaccharide-induced productions of nitric oxide (NO) and prostaglandin E2 (PGE2) in RAW 264.7 macrophages, probably through suppressing the protein expressions of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2). The expressions of pro inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta), interleukin-6 (IL-6) and monocyte chemotactic protein (MCP-1) were also suppressed. We further demonstrated that Dihydrofisetin inhibited the activation of mitogen-activated protein kinases (MAPKs) pathway and phosphorylation of IkappaB-alpha whereas upregulated the expression of heme oxygenase-1 (HO-1). The in vivo carrageenan-induced mice paw edema study also indicated that treatment with 100 mg/kg of Dihydrofisetin could significantly inhibit carrageenan induced paw edema, decrease the levels of TNF-alpha, IL-6 and MDA, and increase the activity of GSH-Px in paw tissues. Taken together, Dihydrofisetin may act as a natural agent for treating inflammatory diseases by targeting MAPK, NF-kappaB and HO-1 pathways. PMID- 29202301 TI - Spleen tyrosine kinase inhibition ameliorates airway inflammation through modulation of NLRP3 inflammosome and Th17/Treg axis. AB - Repeated exposure to the fungal pathogen Aspergillus fumigates triggers spleen tyrosine kinase (SYK) signalling through dectin-1 activation, which is associated with deleterious airway inflammation. beta-Glucan-induced dectin-1 signalling activates the NLRP3 inflammasome, which in turn rapidly produces IL-1beta, a master regulator of inflammation. IL-1beta expression results in Th17/Treg imbalance, pulmonary inflammation, and bystander tissue injury. This study reports that 3,4 methylenedioxy-beta-nitrostyrene (MNS), a potent SYK inhibitor, markedly decreased the expression of pro-inflammatory cytokines and increased the expression of anti-inflammatory cytokines in vitro. Furthermore, SYK inhibition markedly decreased beta-glucan-induced IL-1beta expression, suggesting that SYK is indispensable for NLRP3 inflammasome activation. Decreased IL-1beta expression correlated with reduced Th17 response and enhanced immunosuppressive Treg response. Notably, SYK inhibition ameliorated inflammation caused by repeated intranasal beta-glucan challenge in BALB/C mice. SYK inhibition also restored the Th17/Treg balance via decreased Th17 and increased Treg responses, as evidenced by decreased IL-17 and ror-gamma levels. Additionally, inhibition of SYK increased IL-10 secreting CD4+FOXP3+ T cells that accompanied reduced T cell proliferation. Decreased IgA in the Bronchoalveolar lavage (BAL) fluid and serum also indicated the immunosuppressive potential of SYK inhibition. Histopathology data revealed that repeated beta-glucan challenge caused substantial pulmonary damage, as indicated by septal thickening and interstitial lymphocytic, neutrophil and granulocyte recruitment. These processes were effectively prevented by SYK inhibition, resulting in lung protection. Collectively, our findings suggest that SYK inhibition ameliorates dectin-1- mediated detrimental pulmonary inflammation and subsequent tissue damage. Therefore, SYK can be a new target gene in the therapeutic approach against fungal induced airway inflammation. PMID- 29202302 TI - Tin chemical shift anisotropy in tin dioxide: On ambiguity of CSA asymmetry derived from MAS spectra. AB - Two different axial symmetries of the 119Sn chemical shift anisotropy (CSA) in tin dioxide with the asymmetry parameter (eta) of 0 and 0.27 were reported previously based on the analysis of MAS NMR spectra. By analyzing the static powder pattern, we show that the 119Sn CSA is axially symmetric. A nearly axial symmetry and the principal axis system of the 119Sn chemical shift tensor in SnO2 were deduced from periodic scalar-relativistic density functional theory (DFT) calculations of NMR parameters. The implications of fast small-angle motions on CSA parameters were also considered, which could potentially lead to a CSA symmetry in disagreement with a crystal symmetry. Our analysis of experimental spectra using spectral simulations and iterative fittings showed that MAS spectra recorded at relatively high frequencies do not show sufficiently distinct features in order to distinguish CSAs with eta ~ 0 and eta ~ 0.4. The example of SnO2 shows that both the MAS lineshape and spinning sideband analyses may overestimate the eta value by as much as ~0.3 and ~0.4, respectively. The results confirm that a static powder pattern must be analysed in order to improve the accuracy of the CSA asymmetry measurements. The measurements on SnO2 nanoparticles showed that the asymmetry parameter of the 119Sn CSA increases for nm-sized particles with a larger surface area compared to MUm-sized particles. The increase of the eta value for tin atoms near the surface in SnO2 was also confirmed by DFT calculations. PMID- 29202303 TI - SPR imaging biosensor for the quantitation of fibronectin concentration in blood samples. AB - The purpose of this study was presentation of a new biosensor capable of determination of fibronectin. This biosensor was based on the specific interaction of anti-fibronectin antibody produced in rabbit with fibronectin. The surface plasmon resonance imaging (SPRI) technique was used as a detecting method. Optimization and characterization properties of the biosensor were studied. The determination of fibronectin concentration in natural samples was done. The results were compared with a reference method (Enzyme-Linked Immunosorbent Assay-ELISA). The analytically useful dynamic response range of biosensor is between 5 and 400ngmL-1. The detection limit is 1.5ngmL-1 and limit quantification is 5ngmL-1. The proposed SPRI biosensor showed good selectivity for potential interferences. It was applied to determine fibronectin concentrations in plasma of healthy donors and of patients after thermal injury. Good correlations between results obtained using the SPRI biosensor and ELISA test (correlation coefficients for healthy donors 0.996, for patients 0.984) were obtained. The average fibronectin concentration of healthy donors was 140.5+/ 24.6MUgmL -1 and the average fibronectin concentration of patients was 601.5+/ 72.1MUgmL -1, which was in agreement with results obtained by other investigators. The obtained results indicate that the developed biosensor may be a candidate for monitoring fibronectin concentration in blood samples. PMID- 29202304 TI - Development and validation of an UHPLC-MS/MS method for beta2-agonists quantification in human urine and application to clinical samples. AB - A fast analytical method for the simultaneous detection of 24 beta2-agonists in human urine was developed and validated. The method covers the therapeutic drugs most commonly administered, but also potentially abused beta2-agonists. The procedure is based on enzymatic deconjugation with beta-glucuronidase followed by SPE clean up using mixed-phase cartridges with both ion-exchange and lipophilic properties. Instrumental analysis conducted by UHPLC-MS/MS allowed high peak resolution and rapid chromatographic separation, with reduced time and costs. The method was fully validated according ISO 17025:2005 principles. The following parameters were determined for each analyte: specificity, selectivity, linearity, limit of detection, limit of quantification, precision, accuracy, matrix effect, recovery and carry-over. The method was tested on real samples obtained from patients subjected to clinical treatment under chronic or acute therapy with either formoterol, indacaterol, salbutamol, or salmeterol. The drugs were administered using pressurized metered dose inhalers. All beta2-agonists administered to the patients were detected in the real samples. The method proved adequate to accurately measure the concentration of these analytes in the real samples. The observed analytical data are discussed with reference to the administered dose and the duration of the therapy. PMID- 29202305 TI - Development of a simple and sensitive liquid chromatography triple quadrupole mass spectrometry (LC-MS/MS) method for the determination of cannabidiol (CBD), Delta9-tetrahydrocannabinol (THC) and its metabolites in rat whole blood after oral administration of a single high dose of CBD. AB - The investigation of the possible conversion of cannabidiol (CBD) into Delta9 tetrahydrocannabinol (THC) in vivo after oral administration of CBD is reported herein since recent publications suggested a rapid conversion in simulated gastric fluid. To this end, single high dose of CBD (50mg/kg) was administered orally to rats and their blood was collected after 3 and 6h. A highly sensitive and selective LC-MS/MS method was developed and fully validated in compliance with the Scientific Working Group of Forensic Toxicology (SWGTOX) standard practices for method validation in forensic toxicology. This method also involved the optimization of cannabinoids and their metabolites extraction in order to remove co-eluting phospholipids and increase the sensitivity of the MS detection. Neither THC nor its metabolites were detected in rat whole blood after 3 or 6h from CBD administration. After oral administration, the amount of CBD dissolved in olive oil was higher than that absorbed from an ethanolic solution. This could be explained by the protection of lipid excipients towards CBD from acidic gastric juice. PMID- 29202306 TI - Identification of cytotoxic metabolites from Mahonia aquifolium using 1H NMR based metabolomics approach. AB - Herein, we propose a 1H NMR-based metabolomics method to reveal cytotoxic metabolites from Mahonia aquifolium stem-bark. Primary and secondary metabolites in the Mahonia aquifolium extracts were identified by thorough analysis of 1H and 2D NMR spectra, without prior isolation. An OPLS multivariate analysis method was used to correlate the chemical composition of the plant extracts with the results of cytotoxic activity against Human cervical adenocarcinoma cell line. Protoberberine alkaloids berberine and palmatine, along with bisbenzylisoquinoline alkaloid berbamine were identified as the most influential in the OPLS model, with the highest cytotoxic activity. PMID- 29202307 TI - The impact of free healthcare on women's capability: A qualitative study in rural Burkina Faso. AB - In March 2006, the government of Burkina Faso implemented an 80% subsidy for emergency obstetric and neonatal care (EmONC). To complement this subsidy, an NGO decided to cover the remaining 20% in two districts of the country, making EmONC completely free for women there. In addition, the NGO instituted fee exemptions for children under five years of age in those two districts. We conducted a qualitative study in 2011 to examine the impact of these free healthcare interventions on women's capability. We conducted semi-structured interviews with 40 women, 16 members of health centre management committees, and eight healthcare workers in three health districts, as well as a documentary analysis. Results showed free healthcare helped reinforce women's capability to make health decisions by eliminating the need for them to negotiate access to household resources, which in turn helped shorten delays in health services use. Other effects were also observed, such as increased self-esteem among the women and greater respect within their marital relationship. However, cultural barriers remained, limiting women's capability to achieve certain things they valued, such as contraception. In conclusion, this study's results illustrate the transformative effect that eliminating fees for obstetric care can have on women's capability to make health decisions and their social position. Furthermore, if women's capability is to be strengthened, the results impel us to go beyond health and to organize social and economic policies to reinforce their positions in other spheres of social life. PMID- 29202308 TI - Morphology, cell-division, and phylogeny of Schmidingerothrix elongata spec. nov. (Ciliophora, Hypotricha), and brief guide to hypotrichs with Gonostomum-like oral apparatus. AB - The hypotrich Schmidingerothrix elongata spec. nov., discovered in saline (200/00) soil of the Longfeng Wetland, Daqing, northern China, was studied using live observation and protargol impregnation. It is characterized, inter alia, by colorless cortical granules arranged in short rows, three frontoventral cirral rows with the rightmost extending far posteriorly, and 4-8, usually six macronuclear nodules. Cell division proceeds as in congeners and confirms the lack of dorsal ciliature. In phylogenetic analyses based on SSU rDNA, S. elongata is sister of S. salinarum+Paracladotricha salina. A re-investigation of the type slides of P. salina, type of Paracladotricha, revealed a misobservation in the original description. Since P. salina lacks, like Schmidingerothrix spp., a dorsal ciliature, Paracladotricha becomes a junior, subjective synonym of Schmidingerothrix with S. salina comb. nov. as fourth species. A review of the phylogenetic analyses dealing with Schmidingerothrix shows that its position is variable. However, together with the gonostomatid oral apparatus it can be hypothesized that Schmidingerothrix is a member of the Gonostomatidae or a close relative. A list of genera (14) and species (58) which have - like Schmidingerothrix - a gonostomatid oral apparatus, as well as a key to these genera are provided. PMID- 29202309 TI - Thioautotrophic ectosymbiosis in Pseudovorticella sp., a peritrich ciliate species colonizing wood falls in marine mangrove. AB - Ciliates represent a diversified group of protists known to establish symbioses with prokaryotic micro-organisms. They are mainly phagotrophs and symbiotic relationships with bacteria can give them an important advantage in chemosynthetic environments. The aim of this study is to describe the thiotrophic association that occurs between the peritrich ciliate Pseudovorticella sp. and potential sulfur-oxidizing bacteria. Investigations at microscopic scale (LM, SEM, TEM) showed ectosymbiotic bacteria covering the surface of the body of Pseudovorticella sp. According to 16S rDNA phylogenetic analysis, these ectosymbiotic bacteria belong to gamma-proteobacteria and are phylogenetically close to the symbiont of the recently described Zoothamnium ignavum, which inhabits shallow-water wood falls. FISH experiments, using symbiont specific probes, clearly indicate that these ectosymbiotic bacteria are also ingested into food vacuoles. Electron lucent granules observed in TEM in the cytoplasm of the ectosymbiotic bacteria have been identified as sulfur granules by Raman microspectrometry analyses. Raman microspectrometry analyses confirmed the thiotrophic nature of this relationship already suggested by the results obtained by TEM and phylogeny. A complete sulfur map was then performed to investigate the sulfur distribution in the zooid. Results show that the relationship between this protist and its bacterial partner is a thiotrophic ectosymbiosis. PMID- 29202310 TI - Variation inflation factor-based regression modeling of anthropometric measures and temporal-spatial performance: Modeling approach and implications for clinical utility. AB - BACKGROUND: Understanding the relationship of underlying anthropometry to temporal-spatial performance is critical to appropriate assessment of patients with ambulatory dysfunction. The current body of literature has established the importance of limb length in this relationship. This study sought to re-examine these relationships in light of recent trends in body habitus and obesity, using Variation Inflation Factor analysis to optimize the model. METHODS: Elementary school children (n=452; ages 5-13) were tested during walking at a self-selected speed across an instrumented walkway. Temporal-spatial and anthropometric measures were compiled for all children. The relationship between temporal spatial and anthropometric measures was assessed using regression modeling with Variation Inflation Factor optimization. FINDINGS: Body weight was identified as a significant predictor of cycle duration, stride length, stance duration, and step width during initial modeling. However, it did not meet the constraints imposed during Variation Inflation Factor optimization and was removed from the final models. The final optimized models identified significant relationships between both temporal-spatial parameters of interest and other temporal-spatial measures, with the best fit identified for walking speed (R2=0.6148). INTERPRETATION: The use of the Variation Inflation Factor constraint during the regression modeling process ensured final models composed of truly independent predictor variables. The resulting models are highly robust and highlight the complex relationships between body structure, functional conditions, and walking performance. These models have value for routine clinical assessment of ambulatory dysfunction, and may provide a foundation for classifying temporal spatial performance in the context of multiple contributing parameters. PMID- 29202311 TI - Quantitative sensory response of the SCM muscle on sustained low level activation simulating co-contractions during bruxing. AB - OBJECTIVE: Bruxism is discussed as an etiological factor in the pathogenesis of orofacial and cervical pain. As the sternocleidomastoid muscle (SCM) is co activated during clenching, our aim was to investigate, whether the muscle loading leads to peripheral or central sensitizations. DESIGN: In twenty-one healthy female volunteers, somatosensory profiles of the SCM were recorded according to the test battery of the German Research Network on Neuropathic Pain (DFNS) prior to and after an isometric muscle exercise. QST comprised thermal and mechanical stimuli. A submaximal activation of the SCM (15% MVC) was kept for 10min in sitting position. In separate test sessions one month apart, one sham and one verum experiment were conducted in randomized order. During the muscle loading, the parameters cold detection threshold (CDT), mechanical pain sensitivity (MPS) and pressure pain treshold (PPT) were tested and experimental pain recorded by visual analogoue scales (VAS). All test sessions were performed during the follicular phase of the menstrual cycle (day 5), to avoid effects on pain perception. Data were analyzed with Repeated Measures ANOVA (SPSS 22.0) RESULTS: No significant changes were found during or after (sham) loading except for stimulus-response-function (SR, P=0.01) and PPT (P=0.02) in the sham test. No effect was observed in the verum experiment (P=0.12 up to 1.0). CONCLUSION: Prolonged low level contraction of the SCM does not evoke painful sensitization. In contrast, submaximal muscle activation seems to have a protective effect corresponding to a training effect preventing sensitization. PMID- 29202312 TI - Bernstein's levels of movement construction: A contemporary perspective. AB - Explanation of how goal-directed movements are made manifest is the ultimate aim of the field classically referred to as "motor control". Essential to the sought after explanation is comprehension of the supporting functional architecture. Seven decades ago, the Russian physiologist and movement scientist Nikolai A. Bernstein proposed a hierarchical model to explain the construction of movements. In his model, the levels of the hierarchy share a common language (i.e., they are commensurate) and perform complementing functions to bring about dexterous movements. The science of the control and coordination of movement in the phylum Craniata has made considerable progress in the intervening seven decades. The contemporary body of knowledge about each of Bernstein's hypothesized functional levels is both more detailed and more sophisticated. A natural consequence of this progress, however, is the relatively independent theoretical development of a given level from the other levels. In this essay, we revisit each level of Bernstein's hierarchy from the joint perspectives of (a) the ecological approach to perception-action and (b) dynamical systems theory. We review a substantial and relevant body of literature produced in different areas of study that are accommodated by this ecological-dynamical version of Bernstein's levels. Implications for the control and coordination of movement and the challenges to producing a unified theory are discussed. PMID- 29202313 TI - Comparing interprofessional and interorganizational collaboration in healthcare: A systematic review of the qualitative research. AB - BACKGROUND: Interprofessional and interorganizational collaboration have become important components of a well-functioning healthcare system, all the more so given limited financial resources, aging populations, and comorbid chronic diseases. The nursing role in working alongside other healthcare professionals is critical. By their leadership, nurses can create a culture that encourages values and role models that favour collaborative work within a team context. OBJECTIVES: To clarify the specific features of conceptual frameworks of interprofessional and interorganizational collaboration in the healthcare field. This review, accordingly, offers insights into the key challenges facing policymakers, managers, healthcare professionals, and nurse leaders in planning, implementing, or evaluating interprofessional collaboration. DESIGN: This systematic review of qualitative research is based on the Joanna Briggs Institute's methodology for conducting synthesis. DATA SOURCES: Cochrane, JBI, CINAHL, Embase, Medline, Scopus, Academic Search Premier, Sociological Abstract, PsycInfo, and ProQuest were searched, using terms such as professionals, organizations, collaboration, and frameworks. METHODS: Qualitative studies of all research design types describing a conceptual framework of interprofessional or interorganizational collaboration in the healthcare field were included. They had to be written in French or English and published in the ten years between 2004 and 2014. RESULTS: Sixteen qualitative articles were included in the synthesis. Several concepts were found to be common to interprofessional and interorganizational collaboration, such as communication, trust, respect, mutual acquaintanceship, power, patient-centredness, task characteristics, and environment. Other concepts are of particular importance either to interorganizational collaboration, such as the need for formalization and the need for professional role clarification, or to interprofessional collaboration, such as the role of individuals and team identity. Promoting interorganizational collaboration was found to face greater challenges, such as achieving a sense of belonging among professionals when differences exist between corporate cultures, geographical distance, the multitude of processes, and formal paths of communication. CONCLUSIONS: This review sets a direction to follow for implementing changes that meet the challenge of a changing healthcare system and the transition towards non institutional care. It also shows that collaboration between nurses and healthcare professionals from different healthcare organizations is still poorly explored. This is a major limitation in the existing scientific literature, especially given the potential role that could be played by nurses in enhancing interorganizational collaboration. PMID- 29202314 TI - Serial evaluation of serum total reduction power potential by cyclic voltammetry in 30 dogs with gastric dilatation and volvulus- a randomised, controlled (lidocaine vs placebo), clinical trial. PMID- 29202315 TI - Effect of enrofloxacin and roxarsone on CYP450s in pig. AB - Enrofloxacin (ENR) and roxarsone (ROX) have been widely used in animal breeding. In this study, the daily clinical dosage of ENR and daily additive amount of ROX were administrated to Bama pigs. After 5days, the activity and protein expression of three important enzymes in the cytochrome P450 family were measured in the porcine liver. CYP1A2 was induced by both ENR and ROX independently. CYP2E1 and CYP3A4 were inhibited by ENR, but not affected by ROX. The combined administration of ENR and ROX were antagonistic to CYP1A2 and CYP2E1, but not to CYP3A4. Drug-drug interactions should be considered during the administration of ENR, ROX and for their co-administration with other drugs to minimize adverse reactions. PMID- 29202316 TI - Drug law reform, performativity and the politics of childhood. AB - Children are critical to debates about drug law reform. For both advocates of liberalisation and, especially, defenders of prohibition, the protection of children is an important rhetorical device in pressing for, or resisting, change. However, the privileged position of minors within such discussions, or talk about drugs in general, has rarely been explored in any depth in either drug and alcohol studies or legal research. Drawing on scholarship on performativity, and particularly John Law's work on 'collateral realities', this article will consider how constructs such as childhood and drugs are 'produced' and '(re)made' in such discourses. Through analysis of legal measures, policy documents/statements submitted to the UN General Assembly Special Session on Drugs (UNGASS) in 2016, and scientific discussion, it will be argued that such 'realities' include the constitution of the child as the logical victim of drugs (and the natural beneficiary or casualty of reform), and the enactment of drugs as an inherent threat to children. It is suggested that drug policy research needs to pay attention to age as a social construct and cultural category, and that a critical awareness of the relevance of age in policy discourse is as necessary as, for example, race, class or gender. Moreover, attendance to the ontological politics of constructs such as 'childhood' and 'drugs' is important if law and policy measures are to account for young people's agency. PMID- 29202317 TI - Women victims of intentional homicide in Italy: New insights comparing Italian trends to German and U.S. trends, 2008-2014. AB - National statistics on female homicide could be a useful tool to evaluate the phenomenon and plan adequate strategies to prevent and reduce this crime. The aim of the study is to contribute to the analysis of intentional female homicides in Italy by comparing Italian trends to German and United States trends from 2008 to 2014. This is a population study based on data deriving primarily from national and European statistical institutes, from the U.S. Federal Bureau of Investigation's Uniform Crime Reporting and from the National Center for Health Statistics. Data were analyzed in relation to trends and age by Chi-square test, Student's t-test and linear regression. Results show that female homicides, unlike male homicides, remained stable in the three countries. Regression analysis showed a higher risk for female homicide in all age groups in the U.S. Middle-aged women result at higher risk, and the majority of murdered women are killed by people they know. These results confirm previous findings and suggest the need to focus also in Italy on preventive strategies to reduce those precipitating factors linked to violence and present in the course of a relationship or within the family. PMID- 29202318 TI - Single session tDCS over the left DLPFC disrupts interference processing. AB - Whether single session tDCS can impact upon cognition in healthy subjects is currently a heated debate against the background of inconsistent results. In view of the current methodological discussion concerning tDCS we developed an alternative approach to measure effects of single session tDCS on the Stroop task. The left DLPFC was stimulated in a pre-post design using a new electrode set-up (a 9 cm2 electrode was placed over the left DLPFC while a 35 cm2 was placed over the parieto-occipital cortex) contrasting anodal versus cathodal stimulation. The Stroop task was optimized concerning confounding variables that were not controlled in previous attempts to measure the effects of single-session tDCS on the Stroop task. In our sample of N = 32 healthy students we observed a significant single session tDCS effect on the Stroop effect in the error data as in our study cathodal stimulation as compared to anodal stimulation of the left DLPFC disrupted interference processing. This result confirms previous studies suggesting that neuromodulation of the left DLPFC impacts interference processing. Single-session tDCS can impact upon cognitive processes. A rigorous methodical approach is emphasized as the effects seem to be only of small to medium size. PMID- 29202319 TI - Dimeric sesquiterpenoid-4H-chromone derivatives from agarwood of Aquilaria crassna and their cytotoxicity. AB - Six previously undescribed uncommon ester-bonded dimeric compounds (aquilacrassnins A-F) containing a sesquiterpenoid and a 5,6,7,8-tetrahydroxy-2 (2-phenylethyl)-5,6,7,8-tetrahydro -4H-chromone units were isolated from the EtOAc extract of agarwood originating from Aquilaria crassna. Their structures were elucidated by spectroscopic (NMR, UV, IR, MS, and ECD) methods. All the compounds were tested for AChE inhibitory activity and cytotoxicity against K562, BEL-7402, SGC-7901, Hela, and A549 tumor cell lines. The results showed that aquilacrassnin A, B, and E exhibited weak cytotoxicity against the five tested cell lines, whereas all the compounds were inactive against AChE. PMID- 29202320 TI - Screening itself for disseminated intravascular coagulation may reduce mortality in sepsis: A nationwide multicenter registry in Japan. AB - OBJECTIVES: Screening of patients with sepsis for disseminated intravascular coagulation (DIC) has been recommended in several guidelines. However, DIC screening is still not widely accepted as an essential component of sepsis management, partly because of a lack of evidence that DIC screening has an effect on mortality. We investigated whether DIC screening was associated with a survival benefit in patients with sepsis. DESIGN: Post hoc analysis of a nationwide multicenter retrospective cohort study. SETTING: 42 intensive care units in Japan. PARTICIPANTS: 2663 adult patients diagnosed as having severe sepsis: 1893 (71.1%) patients were considered candidates for and 770 (28.9%) patients were not considered candidates for International Society of Thrombosis and Hemostasis (ISTH) overt DIC screening on ICU day 1. MAIN OUTCOME MEASURES: The primary outcome measure was all-cause in-hospital mortality. Patients were stratified according to whether DIC screening was performed at the time of ICU admission (day 1) to investigate the survival effect associated with DIC screening. We also evaluated survival benefit by classifying patients according to whether DIC screening was performed on day 1 and repeated on day 3. Effects of screening on mortality were assessed using Cox proportional hazards models adjusted by the inverse probability of treatment weighting (IPTW) method using propensity scoring. RESULTS: After adjustment for imbalances, ISTH overt DIC screening on day 1 was associated with significantly lower mortality (IPTW adjusted HR: 0.836; 95% confidence interval [CI]: 0.711-0.984), and this association became even stronger when ISTH overt DIC screening was repeated on day 3 (IPTW-adjusted HR: 0.727; 95% CI: 0.597-0.884). Besides, we observed an almost comparable effect on mortality associated with DIC screening using the Japanese Association for Acute Medicine criteria. CONCLUSION: DIC screening was associated with a reduction in mortality in patients with sepsis. This association could be even stronger by repeating DIC screening. PMID- 29202321 TI - Quantitative analysis of breast cancer diagnosis using a probabilistic modelling approach. AB - BACKGROUND: Breast cancer is the most prevalent cancer in women in most countries of the world. Many computer-aided diagnostic methods have been proposed, but there are few studies on quantitative discovery of probabilistic dependencies among breast cancer data features and identification of the contribution of each feature to breast cancer diagnosis. METHODS: This study aims to fill this void by utilizing a Bayesian network (BN) modelling approach. A K2 learning algorithm and statistical computation methods are used to construct BN structure and assess the obtained BN model. The data used in this study were collected from a clinical ultrasound dataset derived from a Chinese local hospital and a fine-needle aspiration cytology (FNAC) dataset from UCI machine learning repository. RESULTS: Our study suggested that, in terms of ultrasound data, cell shape is the most significant feature for breast cancer diagnosis, and the resistance index presents a strong probabilistic dependency on blood signals. With respect to FNAC data, bare nuclei are the most important discriminating feature of malignant and benign breast tumours, and uniformity of both cell size and cell shape are tightly interdependent. CONTRIBUTIONS: The BN modelling approach can support clinicians in making diagnostic decisions based on the significant features identified by the model, especially when some other features are missing for specific patients. The approach is also applicable to other healthcare data analytics and data modelling for disease diagnosis. PMID- 29202322 TI - Accident frequency and unrealistic optimism: Children's assessment of risk. AB - Accidental injury is a major cause of mortality and morbidity among children, warranting research on their risk perceptions. Three hundred and seven children aged 10-11 years assessed the frequency, danger and personal risk likelihood of 8 accidents. Two social-cognitive biases were manifested. The frequency of rare accidents (e.g. drowning) was overestimated, and the frequency of common accidents (e.g. bike accidents) underestimated; and the majority of children showed unrealistic optimism tending to see themselves as less likely to suffer these accidents in comparison to their peers, offering superior skills or parental control of the environment as an explanation. In the case of pedestrian accidents, children recognised their seriousness, underestimated the frequency of this risk and regarded their own road crossing skill as protection. These findings highlight the challenging task facing safety educators who, when teaching conventional safety knowledge and routines, also need to alert children to the danger of over-confidence without disabling them though fear. PMID- 29202323 TI - Identifying traffic accident black spots with Poisson-Tweedie models. AB - This paper aims at the identification of black spots for traffic accidents, i.e. locations with accident counts beyond what is usual for similar locations, using spatially and temporally aggregated hospital records from Funen, Denmark. Specifically, we apply an autoregressive Poisson-Tweedie model, which covers a wide range of discrete distributions and handles zero-inflation as well as overdispersion. The estimated power parameter of the model was 1.6 (SE=0.06) suggesting a distribution close to the Polya-Aeppli distribution. We identified nine black spots consistently standing out in all six considered calendar years and calculated by simulations a probability of p=0.03 for these to be chance findings. Altogether, our results recommend these sites for further investigation and suggest that our simple approach could play a role in future area based traffic accident prevention planning. PMID- 29202324 TI - Sex differences evident in self-reported but not objective measures of driving. AB - It has been consistently reported that women self-regulate their driving more than men. Volunteer drivers aged 75 years and older from the suburban outskirts of Sydney, Australia joined a longitudinal study in 2012-2014. GPS in-vehicle monitoring was used to objectively measure driving and surveys of driving patterns. The study included 343 drivers (203/343, 59% men) with an average age of 80 years. Our results revealed that men were 3.85 times more likely to report driving beyond their local shire during the past year (95% CI 2.03-5.72) and 1.81 times more likely to report that they do not avoid night driving (95% CI 1.21 3.22). In contrast sex was not predictive of any objective measure of driving during a one-week period of monitoring. These findings suggest that men and women report different self-regulation practices but that actual driving exposure is quite similar. These findings can inform strategies to promote safe mobility. PMID- 29202326 TI - Substitution of Fried's performance-based physical frailty criteria with self report questions. AB - OBJECTIVE: To identify self-report questions that can substitute Fried's performance-based frailty measures for use in large-scale studies and daily practice. METHODS: A cross-sectional study was conducted among community dwelling older people (65+). Based on a literature search and interviews with older people and experts, 11 questions concerning walk time and 10 on handgrip strength were selected. All participants completed these sets of self-report questions as well as the original Fried criteria (including performance-based tests). Regression analyses were performed to find the questions that best substituted the performance-based tests. RESULTS: In total, 135 individuals (mean age 73.8+/-7.0, 58.5% female) in different stages of frailty (non-frail 38.5%, pre-frail 40.7%, frail 20.7%) were included. Regression analyses revealed four questions for walk time and two for handgrip strength. Cut-off values of three for walk time (range 0-5) and one for handgrip strength (range 0-3) seem most optimal. This resulted in a sensitivity of 69.2%, 86.1% specificity and 79.4% agreement for walk time and a sensitivity of 73.2%, 71.3% specificity and 71.9% agreement for handgrip strength. The comparison of frailty stages using frailty criteria including the performance-based measures and scores based solely on self-report questions, resulted in an observed agreement of 71.1% (kappa value=0.55). CONCLUSIONS: Considering the agreement between the questions and the performance-based tests, these two sets of questions might be used in settings where the performance-based tests of walk time and handgrip strength are unfeasible, such as in daily practice and large-scale research. PMID- 29202325 TI - Co-delivery of human cancer-testis antigens with adjuvant in protein nanoparticles induces higher cell-mediated immune responses. AB - Nanoparticles have attracted considerable interest as cancer vaccine delivery vehicles for inducing sufficient CD8+ T cell-mediated immune responses to overcome the low immunogenicity of the tumor microenvironment. Our studies described here are the first to examine the effects of clinically-tested human cancer-testis (CT) peptide epitopes within a synthetic nanoparticle. Specifically, we focused on two significant clinical CT targets, the HLA-A2 restricted epitopes of NY-ESO-1 and MAGE-A3, using a viral-mimetic packaging strategy. Our data shows that simultaneous delivery of a NY-ESO-1 epitope (SLLMWITQV) and CpG using the E2 subunit assembly of pyruvate dehydrogenase (E2 nanoparticle), resulted in a 25-fold increase in specific IFN-gamma secretion in HLA-A2 transgenic mice. This translated to a 15-fold increase in lytic activity toward target cancer cells expressing the antigen. Immunization with a MAGE-A3 epitope (FLWGPRALV) delivered with CpG in E2 nanoparticles yielded an increase in specific IFN-gamma secretion and cell lysis by 6-fold and 9-fold, respectively. Furthermore, combined delivery of NY-ESO-1 and MAGE-A3 antigens in E2 nanoparticles yielded an additive effect that increased lytic activity towards cells bearing NY-ESO-1+ and MAGE-A3+. Our investigations demonstrate that formulation of CT antigens within a nanoparticle can significantly enhance antigen-specific cell-mediated responses, and the combination of the two antigens in a vaccine can preserve the increased individual responses that are observed for each antigen alone. PMID- 29202328 TI - DNA damage signaling and polyploid macrophages in chronic inflammation. AB - Whole genome duplications, an important step in cancer development, also occur in the macrophage lineage in disease: large multinucleated macrophages found within compact, ordered aggregates of immune cells, called granulomas, are a well-known histologic entity. Very recent work suggests that granuloma macrophages remarkably acquire epithelial cell features and the genotoxic stress response instructs granuloma macrophage genome duplications, suggesting that granuloma macrophages and pre-malignant epithelial cells may share common mechanisms of adaptation to chronic genotoxic stress. Exploring these mechanisms is key for a better understanding of the pathogenesis of chronic inflammatory diseases. Here we review the mechanisms of macrophage polyploidization, the role of DNA damage signaling in this process and the function of polyploid macrophages, with a focus on chronic inflammation. PMID- 29202327 TI - Mesh electronics: a new paradigm for tissue-like brain probes. AB - Existing implantable neurotechnologies for understanding the brain and treating neurological diseases have intrinsic properties that have limited their capability to achieve chronically-stable brain interfaces with single-neuron spatiotemporal resolution. These limitations reflect what has been dichotomy between the structure and mechanical properties of living brain tissue and non living neural probes. To bridge the gap between neural and electronic networks, we have introduced the new concept of mesh electronics probes designed with structural and mechanical properties such that the implant begins to 'look and behave' like neural tissue. Syringe-implanted mesh electronics have led to the realization of probes that are neuro-attractive and free of the chronic immune response, as well as capable of stable long-term mapping and modulation of brain activity at the single-neuron level. This review provides a historical overview of a 10-year development of mesh electronics by highlighting the tissue-like design, syringe-assisted delivery, seamless neural tissue integration, and single neuron level chronic recording stability of mesh electronics. We also offer insights on unique near-term opportunities and future directions for neuroscience and neurology that now are available or expected for mesh electronics neurotechnologies. PMID- 29202329 TI - Relationship of ROS accumulation and superoxide dismutase isozymes in developing anther with floret fertility of rice under heat stress. AB - High temperature (HT) at meiosis stage is one of most important environment constraint affecting spikelet fertility and rice yield. In this paper, the effects of HT exposure at meiosis stage on the ROS (reactive oxygen species) accumulation, various superoxide dismutase (SOD, EC1.15.1.11) isozymes in developing anther, and its relationship with HT-induced decline in pollen viability and floret fertility were investigated by using four rice cultivars differing in heat tolerance under well-controlled climatic condition. Results showed that HT exposure significantly increased ROS level and malondialdehyde (MDA) content in rice anther, and this occurrence was strongly responsible for the HT-induced decline in pollen viability and harmful effect of HT adversity on floret fertility. However, the increased extent of ROS concentration in rice anther under HT exposure was greatly variable, depending on both the intensity and duration of HT exposure and different rice cultivars used. The SOD and CAT activities of HT-sensitive cultivars decreased more profoundly than those of HT tolerant cultivars under the same HT regimes. Among various types of SOD enzymes, Cu/Zn-SODa expressed highly in rice anther and responded sensitively to HT exposure, while Cu/Zn-SODb expressed weakly in rice anther and preferentially in rice leaves. HT exposure suppressed the expression of Cu/Zn-SODa in developing anther, which was closely associated with the down-regulated transcripts of cCu/Zn-SOD1 gene. Hence, Cu/Zn-SODa may play a central role in the regulation of total SOD activity and ROS detoxification in rice anther as affected by HT exposure at meiosis stage. PMID- 29202330 TI - Genetic alterations in sporadic triple negative breast cancer. AB - BACKGROUND: Recent studies have aimed to identify gene mutation profiles to explain the cause of TNBC therapy limitations. METHODS: The purpose of our study was to use Next Generation Sequencing (NGS) of 46 genes with a well-defined role in cancer in a cohort of TNBC patients in order to identify novel markers that could lead to the development of strategic, adjuvant, gene-targeted therapies. RESULTS: A total of 118 gene mutations in 35 genes, 75 mutations in BRCA1 and 92 mutations in BRCA2 were identified. The clinical assessment of the identified mutations showed 27 to be possibly damaging and 59 to be damaging. TP53, KDR, PIK3CA (rs3729687), ATM, AKT1 and KIT were among the most frequently mutated genes in our TNBC cohort. The SNP AKT1 (rs3730358) was suggested to modify the risk of breast cancer. SNP PIK3CA (rs3729687) is a damaging mutation that we found to be correlated with the prognosis of TNBC. The survival curve analysis showed that the presence of AKT1, TP53, KDR, KIT, BRCA1 and BRCA2 mutations is correlated with a poor prognosis. CONCLUSION: We show a strong association between TNBC and mutations in BRCA1/2 genes and the poor outcome of these patients. Moreover, we identified several other unknown mutations putatively associated with the poor prognosis of TNBC tumors. We also discovered novel mutations never before associated with breast cancer that could putatively account for the poor prognosis of the TNBC tumors. PMID- 29202331 TI - Using the ICF in transition research and practice? Lessons from a scoping review. AB - BACKGROUND: The International Classification of Functioning, Disability and Health (ICF) and subsequent ICF-CY (child and youth version) recognize the importance of personal and environmental factors in facilitating holistic transition planning and service delivery for youth with chronic health conditions (YCHC). AIMS: The objective of this scoping review is to investigate the degree to which the ICF and ICF-CY have been used in transition research and practice since its initial publication. METHODS: Arksey and O'Malley's five-stage methodological framework guided the scoping review using the following databases: AMED, CINAHL, EMBASE, HealthSTAR, MEDLINE, and PsycINFO. Keywords included: 'ICF', 'ICF-CY', and 'transition', which were adapted to each database. RESULTS: 25 articles met final inclusion. Two key themes emerged regarding use of the ICF: 1) the ICF enhances transdisciplinary processes to inform transition planning and interventions; and 2) the ICF facilitates comprehensive and developmentally appropriate transition services over a youth's lifecourse. The strengths and limitations of the ICF in guiding the planning and delivery of transition services are discussed. Some limitations include the large number of items inherent within the ICF and a lack of clarity between the components of activity and participation. CONCLUSION: Key recommendations include: i) further explanation and development of items for quality of life and well-being, personal factors, and psychological issues; and ii) additional research to advance knowledge towards developing empirically- based evidence for the application of the ICF in clinical practice to facilitate transition. PMID- 29202332 TI - Chloro(triphenylphosphine)gold(I) a forefront reagent in gold chemistry as apoptotic agent for cancer cells. AB - The antiproliferative activity of the gold complex [Au(tpp)Cl] (1) (tpp=triphenyphosphine) against human breast adenocarcinoma cells (MCF-7) and normal human fetal lung fibroblast cells (MRC-5) was investigated. The compound exhibits stronger activity against MCF-7 cells than cisplatin. The apoptotic pathway, especially though the mitochondrion damage was concluded by cell cycle arrest, flow cytometry using Annexin V-Fluorescein IsoThioCyanate (FITC) and Propidium Iodide (PI) as indicators, assays and permeabilization of the mitochondrial membrane tests. The molecular mechanism of action of 1 was further studied by: (i) its catalytic activity on the oxidation of linoleic acid (an acid that partakes in membrane fluidity) to hyperoxolinoleic acid by oxygen and (ii) its binding affinity towards the calf thymus (CT) DNA. Since the deactivation of cisplatin by glutathione (GSH), is related with the development of cell resistance, the reaction of 1 with GSH was investigated by UV absorption spectroscopy. The absence of micronucleus in cells confirms that the complex has no in vitro toxicity. The in vivo genotoxicity caused by 1 was evaluated by Allium cepa test. PMID- 29202333 TI - Aortic atherosclerosis is a key modulator of the prognostic value of postural blood pressure changes. AB - BACKGROUND AND AIMS: Orthostatic blood pressure decrease or increase has been related to cardiovascular events in hypertensive patients. Large blood pressure changes after orthostatic stress are associated with autonomic and neurohormonal abnormalities; aortic atherosclerosis (ATS) may also play a role. METHODS: We investigated the interaction of ATS on the prognostic value of postural blood pressure changes. In a cohort of 958 hypertensive patients with an aortography (mean +/- standard deviation age 44 +/- 11 years, 61% men, mean blood pressure 182/110 mmHg), blood pressure was measured after 10 min of rest in the supine position. Systolic blood pressure (SBP) was also measured in standing position, 1 min after the supine position. Blood pressure changes were calculated as supine SBP minus standing SBP and analyzed as absolute or arithmetic means. ATS was assessed using an aortography score. RESULTS: After 15 years of follow-up, 280 all-cause and 167 cardiovascular deaths occurred. In a multivariable Cox regression analysis adjusted for major cardiovascular risk factors and stratified according to ATS status, SBP changes were statistically associated with all-cause and cardiovascular mortality only in the presence of ATS: tertile 3 versus 1, 2.99 (1.37-6.49) and 4.08 (1.55-10.72) respectively, tertile 3 versus 2, 2.89 (1.29-6.46) and 4.82 (1.79-12.98), respectively (p for interaction: 0.003 for all cause and 0.003 for cardiovascular mortality) for absolute changes. The hazard associated with the magnitude of SBP changes was more important than that associated with its direction. CONCLUSIONS: The prognostic significance of postural SBP changes is markedly influenced by ATS in hypertensive patients. PMID- 29202334 TI - Berberine treatment increases Akkermansia in the gut and improves high-fat diet induced atherosclerosis in Apoe-/- mice. AB - BACKGROUND AND AIMS: Gut microbiota plays a major role in metabolic disorders. Berberine is used to treat obesity, diabetes and atherosclerosis. The mechanism underlying the role of berberine in modulating metabolic disorders is not fully clear because berberine has poor oral bioavailability. Thus, we evaluated whether the antiatherosclerotic effect of berberine is related to alterations in gut microbial structure and if so, whether specific bacterial taxa contribute to the beneficial effects of berberine. METHODS: Apoe-/- mice were fed either a normal chow diet or a high-fat diet (HFD). Berberine was administered to mice in drinking water (0.5 g/L) for 14 weeks. Gut microbiota profiles were established by high throughput sequencing of the V3-V4 region of the bacterial 16S ribosomal RNA gene. The effects of berberine on metabolic endotoxemia, tissue inflammation and gut barrier integrity were also investigated. RESULTS: Berberine treatment significantly reduced atherosclerosis in HFD-fed mice. Akkermansia spp. abundance was markedly increased in HFD-fed mice treated with berberine. Moreover, berberine decreased HFD-induced metabolic endotoxemia and lowered arterial and intestinal expression of proinflammatory cytokines and chemokines. Berberine treatment increased intestinal expression of tight junction proteins and the thickness of the colonic mucus layer, which are related to restoration of gut barrier integrity in HFD-fed mice. CONCLUSIONS: Modulation of gut microbiota, specifically an increase in the abundance of Akkermansia, may contribute to the antiatherosclerotic and metabolic protective effects of berberine, which is poorly absorbed orally. Our findings therefore support the therapeutic value of gut microbiota manipulation in treating atherosclerosis. PMID- 29202335 TI - Sweet taste preference in binge-eating disorder: A preliminary investigation. AB - Research suggests that individuals with high liking for sweets are at increased risk for binge eating, which has been minimally investigated in individuals with binge-eating disorder (BED). Forty-one adults (85% female, 83% white) with binge eating concerns completed a sweet taste test and measures of eating disorder behaviors and food cravings. A subset of participants with BED completed an oral glucose tolerance test (OGTT; N=21) and a 24-hour dietary recall (N=26). Regression models were used to compare highest sweet preferers (HSP [N=18]) to other sweet preferers (OSP [N=23]) and were used to assess associations between sweet taste preference and outcome variables. Effect sizes (etap2) for differences between HSP and OSP ranged from small (<=0.01) to large (>=0.24); group differences were statistically nonsignificant except for 24-hour caloric intake (etap2=0.16, p=0.04), protein intake (etap2=0.16, p=0.04), and insulin sensitivity index (etap2=0.24, p=0.04), which were higher in HSP, and postprandial insulin, which was smaller in HSP (etap2=0.27, p=0.03). Continuous analyses replicated postprandial insulin response. Compared with OSP, HSP reported numerically higher binge-eating frequency (etap2=0.04), over-eating frequency (etap2=0.06), and carbohydrate intake (etap2=0.14), and they exhibited numerically smaller postprandial glucose AUC (etap2=0.16). Sweet taste preference may have implications for glucose regulation, binge-eating frequency, and nutrient intake in BED. PMID- 29202337 TI - Using handwriting to infer a writer's country of origin for forensic intelligence purposes. AB - Forensic science has traditionally focused the majority of its resources and objectives towards addressing Court-related questions. However, this view restricts the contribution of forensic science to one process and results in a loss of information as the investigative and intelligence roles are largely neglected. A forensic science discipline suffering from this imbalance is handwriting examination, which may be characterised as a time consuming and subjective process that is mostly carried out towards the end of the investigation for the purpose of judicial proceedings. Individual and habitual characteristics are the major handwriting features exploited, however alternate information concerning the author's native language could potentially be used as a key element in an intelligence framework. This research focussed on the detection of characteristics that differentiate Vietnamese and English Australian writers based on their English handwriting. The study began with the extraction of handwriting characteristics from the writing of people from the two populations. The data was analysed using a logistic regression model and a classification and regression tree (CRT). Each recognised four class characteristics that were capable of distinguishing between the two nationalities. The logistic regression and CRT models were both capable of correctly predicting 93% of cases. Their predictive capabilities were then tested and supported using blind exemplars in order to mirror casework settings. It appeared that when using their respective class characteristics, the two models were capable of differentiating English Australians from Vietnamese in the data set. This proof of concept research demonstrated the plausibility of exploiting this additional information from a handwriting trace and taking advantage of it in an intelligence-led framework. PMID- 29202336 TI - Colonization, localization, and inflammation: the roles of H. pylori chemotaxis in vivo. AB - Helicobacter pylori is a Gram-negative bacterium that infects half of the world's population, causing gastritis, peptic ulcers, and gastric cancer. To establish chronic stomach infection, H. pylori utilizes chemotaxis, driven by a conserved signal transduction system. Chemotaxis allows H. pylori to sense an array of environmental and bacterial signals within the stomach, guiding its motility towards its preferred niche within the gastric mucosa and glands. Fine-tuned localization, regulated by the chemotaxis system, enables robust colonization during the acute stage of infection. During chronic infection, chemotaxis helps maintain bacterial populations and modulates the host immune response. Given its importance in host colonization and disease, chemotaxis is an attractive target for future treatments against H. pylori infections. PMID- 29202338 TI - Cranial trauma in handgun executions: Experimental data using polyurethane proxies. AB - Gun violence is a global phenomenon with regional variation in frequency and severity. Handguns are often used in violent deaths such as suicides and homicides. Hence, ballistic trauma is a critical subject of forensic investigations. Trauma patterns are fundamental evidence for the reconstruction of the incident and for the determination of the manner of death. This study investigated the differences in trauma patterns with a series of experiments using six different calibers (.22 LR, .38 Special, .380 ACP, 9*19mm, .40 S&W, and .45 ACP) and four different bullet types. Synbone(r) spheres (polyurethane bone proxies) were used for close range 30cm simulated executions. The polyurethane spheres constitute an excellent proxy for human crania at the macroscopic level as suggested by other studies. The results showed that the radius of the entrance wound is positively correlated (Pearson's correlation coefficient R=0.846, p<0.05) with the caliber dimension. As muzzle velocity increased, endocranial beveling increased. Bullet weight, conversely, does not seem to have an effect on the size of the endocranial beveling present in Synbone(r) spheres. The ballistic experiments exhibited similarities in entrance wound morphology; radial and concentric fracture patterns, hydraulic burst effect, circumferential delamination, and endocranial beveling with that of documented forensic cases with corresponding caliber shot. Synbone spheres seem appropriate for ballistic simulations of cranial injuries; yet, more research is needed to verify these observations. PMID- 29202339 TI - Heat-denatured lysozyme could be a novel disinfectant for reducing hepatitis A virus and murine norovirus on berry fruit. AB - Hepatitis A virus (HAV) is well known worldwide as a causative virus of acute hepatitis. In recent years, numerous cases of HAV infection caused by HAV contaminated berries have occurred around the world. Because berries are often consumed without prior heating, reliable disinfection of the raw fruit is important in order to prevent HAV outbreaks. Previous studies have found that murine norovirus strain 1 (MNV-1) and human norovirus GII.4 were inactivated in heat-denatured lysozyme solution. In this study, we investigated whether or not heat-denatured lysozyme is effective in inactivating HAV and whether it could be an effective disinfectant for berries contaminated with HAV or MNV-1. We examined the inactivating effect of heat-denatured lysozyme on three strains of HAV and found that it reduced the infectivity of all three strains. We then immersed blueberries and mixed berries into solutions of HAV or MNV-1, and disinfected them by soaking them in 1% heat-denatured lysozyme for 1min. Consequently, the infectious HAV and MNV-1 contaminating the berries were decreased by >3.1 log units in all samples. Our results demonstrate that heat-denatured lysozyme effectively inactivates HAV and suggest that heat-denatured lysozyme may be an effective disinfectant for berry fruit, which is a potential source of HAV food poisoning. PMID- 29202340 TI - MALDI-TOF MS as a tool to identify foodborne yeasts and yeast-like fungi. AB - Since food spoilage by yeasts causes high economic losses, fast and accurate identifications of yeasts associated with food and food-related products are important for the food industry. In this study the efficiency of the matrix assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) to identify food related yeasts was evaluated. A CBS in-house MALDI-TOF MS database was created and later challenged with a blinded test set of 146 yeast strains obtained from food and food related products. Ninety eight percent of the strains were correctly identified with log score values>1.7. One strain, Mrakia frigida, gained a correct identification with a score value<1.7. Two strains could not be identified at first as they represented a mix of two different species. These mixes were Rhodotorula babjevae with Meyerozyma caribbica and Clavispora lusitaniae with Debaryomyces hansenii. After separation, all four species could be correctly identified with scores>1.7. Ambiguous identifications were observed due to two incorrect reference mass spectra's found in the commercial database BDAL v.4.0, namely Candida sake DSM 70763 which was re identified as Candida oleophila, and Candida inconspicua DSM 70631 which was re identified as Pichia membranifaciens. MALDI-TOF MS can distinguish between most of the species, but for some species complexes, such as the Kazachstania telluris and Mrakia frigida complexes, MALDI-TOF MS showed limited resolution and identification of sibling species was sometimes problematic. Despite this, we showed that the MALDI-TOF MS is applicable for routine identification and validation of foodborne yeasts, but a further update of the commercial reference databases is needed. PMID- 29202341 TI - Bridging the structural gap of glycoproteomics with ion mobility spectrometry. AB - Over the past two decades mass spectrometry (MS) has enabled high throughput studies on the level of a complex proteome. While it has similarly advanced glycobiology, the level of progress has been more restrained. This is in large part due to the diversity and complexity of carbohydrate structures. While MS is now routinely used for glycobiology, it suffers from a critical limitation, that is the inability to resolve isobaric structures. Since so many structurally and functionally distinct carbohydrates are indistinguishable by MS, additional techniques are needed for detailed structural analysis. Ion mobility spectrometry (IMS), with its ability to resolve closely related isobaric structures, presents such a tool for alleviating the current limitations of MS. In the past few years studies have demonstrated the utility and immense potential of combining IMS with MS (IM-MS) for glycomics and it is now approaching the point of enabling comprehensive structural studies on the level of the glycoproteome. PMID- 29202342 TI - D-Tyrosine loaded nanocomposite membranes for environmental-friendly, long-term biofouling control. AB - Strategies to control biofouling without using antimicrobial chemicals are needed to prevent the spread of antibiotic resistance genes and disruption of microbial activities in biological treatment. This study developed an environmentally friendly biofouling resistant membrane by incorporating d-tyrosine onto a commercial nanofiltration membrane using FAU type zeolite nanoparticles that covalently bound to the membrane surface as carriers for slow release. The d tyrosine loaded membrane had similar water permeability as the unmodified membrane, but greatly reduced initial cell attachment and strongly inhibited subsequent biofilm formation without inactivating the bacteria. The membrane slowly released d-tyrosine in the time course of over 5 days, and retained its anti-biofouling capability in repeated 24 h efficacy tests for as long as 6 days. In nanofiltration operation, the d-tyrosine incorporated zeolite coating completely inhibited cell adhesion on the membrane surface and significantly alleviated membrane flux decline. PMID- 29202343 TI - Interactive effects of water quality, physical habitat, and watershed anthropogenic activities on stream ecosystem health. AB - Ecological degradation of streams remains a major environmental concern worldwide. While stream restoration has received considerable attention, mitigation efforts focused on the improvement of physical habitat have not proven completely effective. Several small-scale studies have emphasized that effective restoration strategies require a more holistic understanding of the variables at play, although the generalization of the findings based on the small-scale studies remains unclear. Using a comprehensive statewide stream monitoring database from West Virginia (WV), a detailed landscape dataset, and a machine learning algorithm, this study explores the interactive impacts of water quality and physical habitat on stream ecosystem health as indicated by benthic macroinvertebrate scores. Given the long history of energy extraction in this region (i.e., coal mining and oil/gas production), investigation of energy extraction influences is highlighted. Our results demonstrate that a combination of good habitat and low specific conductance is generally associated with favorable benthic macroinvertebrate scores, whereas poor habitat combined with water quality conditions typically indicative of high ionic strength are associated with impaired stream status. In addition, streams impacted by both energy extraction and residential development had a higher percentage of impairment compared to those impacted predominantly by energy extraction or residential development alone. While water quality played a more important role in the ecosystem health of streams impacted primarily by energy extraction activities, habitat seems to be more influential in streams impacted by residential development. Together, these findings emphasize that stream restoration strategies should consider interactive effects of multiple environmental stressors tailored to specific sites or site types - as opposed to considering a single stressor or multiple stressors separately. PMID- 29202344 TI - Simultaneous improvement of waste gas purification and nitrogen removal using a novel aerated vertical flow constructed wetland. AB - Insufficient oxygen supply is identified as one of the major factors limiting organic pollutant and nitrogen (N) removal in constructed wetlands (CWs). This study designed a novel aerated vertical flow constructed wetland (VFCW) using waste gas from biological wastewater treatment systems to improve pollutant removal in CWs, its potential in purifying waste gas was also identified. Compared with unaerated VFCW, the introduction of waste gas significantly improved NH4+-N and TN removal efficiencies by 128.48 +/- 3.13% and 59.09 +/- 2.26%, respectively. Furthermore, the waste gas ingredients, including H2S, NH3, greenhouse gas (N2O) and microbial aerosols, were remarkably reduced after passing through the VFCW. The removal efficiencies of H2S, NH3 and N2O were 77.78 +/- 3.46%, 52.17 +/- 2.53%, and 87.40 +/- 3.89%, respectively. In addition, the bacterial and fungal aerosols in waste gas were effectively removed with removal efficiencies of 42.72 +/- 3.21% and 47.89 +/- 2.82%, respectively. Microbial analysis results revealed that the high microbial community abundance in the VFCW, caused by the introduction of waste gas from the sequencing batch reactor (SBR), led to its optimized nitrogen transformation processes. These results suggested that the VFCW intermittently aerated with waste gas may have potential application for purifying wastewater treatment plant effluent and waste gas, simultaneously. PMID- 29202345 TI - Effective removal of bromate in nitrate-reducing anoxic zones during managed aquifer recharge for drinking water treatment: Laboratory-scale simulations. AB - The removal of bromate (BrO3-) as a by-product of ozonation in subsequent managed aquifer recharge (MAR) systems, specifically in anoxic nitrate (NO3-)-reducing zones, has so far gained little attention. In this study, batch reactors and columns were used to explore the influence of NO3- and increased assimilable organic carbon (AOC) due to ozonation pre-treatment on BrO3- removal in MAR systems. 8 m column experiments were carried out for 10 months to investigate BrO3- behavior in anoxic NO3--reducing zones of MAR systems. Anoxic batch experiments showed that an increase of AOC promoted microbial activity and corresponding BrO3- removal. A drastic increase of BrO3- biodegradation was observed in the sudden absence of NO3- in both batch reactors and columns, indicating that BrO3- and NO3- competed for biodegradation by denitrifying bacteria and NO3- was preferred as an electron acceptor under the simultaneous presence of NO3- and BrO3-. However, within 75 days' absence of NO3- in the anoxic column, BrO3- removal gradually decreased, indicating that the presence of NO3- is a precondition for denitrifying bacteria to reduce BrO3- in NO3--reducing anoxic zones. In the 8 m anoxic column set-up (retention time 6 days), the BrO3- removal achieved levels as low as 1.3 MUg/L, starting at 60 MUg/L (98% removal). Taken together, BrO3- removal is likely to occur in vicinity of NO3--reducing anoxic zones, so MAR systems following ozonation are potentially effective to remove BrO3-. PMID- 29202346 TI - Storage effects on quantity and composition of dissolved organic carbon and nitrogen of lake water, leaf leachate and peat soil water. AB - This study aimed to evaluate the effects of freezing and cold storage at 4 degrees C on bulk dissolved organic carbon (DOC) and nitrogen (DON) concentration and SEC fractions determined with size exclusion chromatography (SEC), as well as on spectral properties of dissolved organic matter (DOM) analyzed with fluorescence spectroscopy. In order to account for differences in DOM composition and source we analyzed storage effects for three different sample types, including a lake water sample representing freshwater DOM, a leaf litter leachate of Phragmites australis representing a terrestrial, 'fresh' DOM source and peatland porewater samples. According to our findings one week of cold storage can bias DOC and DON determination. Overall, the determination of DOC and DON concentration with SEC analysis for all three sample types were little susceptible to alterations due to freezing. The findings derived for the sampling locations investigated here may not apply for other sampling locations and/or sample types. However, DOC size fractions and DON concentration of formerly frozen samples should be interpreted with caution when sample concentrations are high. Alteration of some optical properties (HIX and SUVA254) due to freezing were evident, and therefore we recommend immediate analysis of samples for spectral analysis. PMID- 29202347 TI - Butt Why? Exploring factors associated with cigarette scavenging behaviors among adult smokers enrolling in a clinical trial for smoking cessation. AB - INTRODUCTION: Cigarette smoking is associated with many adverse health effects and is an important public health concern. Increased understanding of smokers' behavior is central to developing effective interventions. Cigarette scavenging, a behavior that involves smoking shared or previously used cigarettes has thus far only been shown to be prevalent among homeless or incarcerated populations. The current study examines whether cigarette scavenging is prevalent in a more general population of adult smokers enrolling in a smoking cessation clinical trial, and whether engagement in this behavior is associated with demographic or smoking-related psychosocial factors. METHODS: Baseline data was obtained from adult smokers (N=227) enrolling in a randomized clinical trial for smoking cessation. Cigarette scavenging was assessed using three items: a) sharing a cigarette with a stranger; b) smoking a "found" cigarette and c) smoking a previously used cigarette "butt". Participants who endorsed engaging in at least one of these three behaviors were categorized as a scavenger. RESULTS: Approximately 32% of participants endorsed at least one cigarette scavenging behavior. A multiple logistic regression analysis found that scavengers were more likely to be: men (p<0.001), of younger age at smoking onset (p=0.012), unemployed (p=0.003), more likely to have used marijuana in the past 30days (p=0.005), single or living alone (p=0.003), and to have experienced higher withdrawal symptoms during previous quit attempts (p=0.044) as compared to non scavengers. CONCLUSIONS: Scavenging is common among adult smokers. Interventions that address cigarette scavenging behaviors may better meet the needs of this unique smoking subgroup. PMID- 29202348 TI - Upper lip reconstruction using a pedicel superficial temporal artery flap. AB - INTRODUCTION: The hair-bearing superficial temporal artery free flap has been used in men for total upper lip reconstruction. In this paper we present a case of a partial upper lip defect in a man that was reconstructed with a pedicle superficial temporal artery flap. PRESENTATION OF CASE: Following a car accident, a 35-year old man sustained a partial upper defect. The defect included the entire "outer lamella" (i.e. the skin and red lip) of the right hemi-lip as well as the outer part of the muscle (i.e. partial defect of the middle lamella). A pedicle superficial temporal artery flap was raised and utilized to reconstruct the upper lip defect. There were no post-operative complications. The cosmetic and functional outcomes were excellent. DISCUSSION: The hair-bearing pedicle superficial temporal artery flap is commonly used for eye-brow and beard reconstruction. Free superficial temporal artery flaps have also been utilized to reconstruct total upper lip defects. For the first time in the literature, our report introduces the use of the pedicle flap in partial upper lip defects. CONCLUSION: We demonstrate that the pedicle flap is much simpler than the free flap and is adequate for reconstruction of partial upper lip defects. We also demonstrate a good cosmetic and functional outcome; and highlight several technical points to ensure a satisfactory outcome. PMID- 29202349 TI - Chondrometaplasia of the vocal cord in an adult male. AB - INTRODUCTION: (Chondrometaplasia of the larynx is a rare disease. We report a case that presented at the otolaryngology department in our institute in 2015.) PRESENTATION OF CASE: A 62year old man without any history of trauma presented with progressive dysphonia, dyspnoea, without any dysphagia. A fibreoptic laryngoscopic examination revealed nodular mass arising at the junction of anterior 1/3rd and posterior 2/3rd of left vocal cord. DISCUSSION: A computed tomography scan of the neck region showed a rounded and circumscribed mass without infiltration of the surrounding tissues. Histological investigation of the lesion revealed the presence of fibroelastic cartilaginous tissue, surrounded by a thin rim of fibrous tissue, with rare hypercellular areas, occasional binucleated cells, slight hyperchromasia, and an irregular nuclear profile. Mitotic activity was absent. CONCLUSION: The patient didn't have history of laryngeal trauma. Subacute and progressive onset of clinical symptoms and histological and radiological findings helps to distinguish the chondrometaplastic nature from true laryngeal cartilaginous tumours, such as chondroma and low grade chondrosarcoma. PMID- 29202350 TI - Case report: Ectopic Cushing's syndrome in a young male with hidden lung carcinoid tumor. AB - INTRODUCTION: Ectopic Cushing syndrome is a form of Cushing's in which a tumor outside the pituitary gland produces adrenocorticotropic hormone (ACTH). Small cell carcinoma and carcinoid of the lung comprises half of its cases. The main purpose of this study is to present a case of ectopic Cushing syndrome caused by a hidden lung carcinoid and how to manage it. PRESENTATION OF CASE: Here we present a case of a 26year old young male complains of increased weight and appetite, proximal muscle weakness, easy bruising and appearing of purple striae on his abdomen, with a final diagnosis of ACTH secreting lung carcinoid. DISCUSSION: The diagnosis was made by non-invasive radiological procedures (CT scan and MRI) and serological tests. The management consisted of medical treatment which was not useful, then bilateral adrenalectomy to limit the patient symptoms. The ectopic spot was finally detected and excised surgically through thoracotomy. After six months of follow up there was no recurrence, signs and symptoms of Cushing syndrome begin to disappear. CONCLUSION: Ectopic cushing syndrome is a complicated medical problem especially when it comes to identification of the ectopic spot. The surgical treatment could be curative when the spot is determined. PMID- 29202351 TI - Psoas abscess masquerading as a prosthetic hip infection: A case report. AB - INTRODUCTION: Psoas abscess is an unusual condition and is defined as a collection of pus in the iliopsoas compartment. Due to the unique anatomy of psoas muscle it forms a conduit for spread of infection from upper part of body to hip joint in neglected cases. CASE PRESENTATION: A 67year old lady presented with left groin pain for three weeks. She underwent an uncemented unipolar hemiarthoplasty eight years back. Currently, she developed fever and was unable to do any active left hip range of motion. Passive motion of the left hip was restricted to 30 degrees flexion, no internal rotation, 5 degrees external rotation, and 10 degrees abduction. Lab workup showed raised serum infective markers and radiographs of pelvis were normal with no evidence of any radiolucency. Ultrasound guided aspiration of left hip joint showed E coli. Arthrotomy revealed clear fluid in hip joint but pus was drained at psoas insertion. Later on, culture reported presence of E. coli and biopsy confirmed psoas abscess. Postoperatively CT scan abdomen showed pyelonephritis. Antibiotics were given for three months. Twenty months later, she remains asymptomatic without evidence of infection with normal gait. DISCUSSION: Psoas abscess is a rare clinical entity that may mimic symptoms of a primary prosthetic hip infection. Treatment outcomes are directly related to early detection with adequate dissection of the psoas muscle up to sites of attachment and complete eradication of infection. CONCLUSION: This case highlights importance of thorough initial clinical examination, lab workup and radiological assessment to rule out rare causes of hip joint pain. PMID- 29202352 TI - Intrahepatic portal vein thrombosis due to postoperative biliary obstruction successfully treated by a partial thrombectomy combined with thrombolytic drug therapy. AB - INTRODUCTION: This case report aims to inform pancreatic surgeons about our perioperative management of intrahepatic portal vein thrombosis caused by an obstruction of hepaticojejunostomy (HJ) after pancreaticoduodenectomy (PD). CASE PRESENTATION: A 65-year-old woman was diagnosed with pancreas head carcinoma involving the superior mesenteric vein (SMV). Pancreaticoduodenectomy combined with SMV resection was followed by HJ. Twisting or narrowing was not evident during anastomosis. Total bilirubin values progressively increased to 13mg/dL on day 5. At that time, we suspected anastomotic occlusion and found complete portal thrombosis of the left liver. Therefore, emergency re-anastomosis of the HJ was followed by thrombectomy, which was not completely successful and did not completely recover initial portal flow. Thrombolytic drugs improved obstructive jaundice, eradicated the organized thrombosis and recovered the portal flow by day 30. The post-operative course was uneventful. DISCUSSION: A thrombosis immediately formed in the portal vein due to biliary obstruction of an anastomotic site. We speculated that biliary dilation and related inflammation caused a relative increase in arterial flow and decreased portal flow at the localized part of the umbilical portion. Although early surgical thrombectomy was attempted soon after the primary operation, the organized thrombosis persisted. However, thrombolytic therapy eradicated the thrombosis. CONCLUSION: Careful anastomosis of HJ during PD was necessary to avoid postoperative biliary stricture. This type of complication affects intrahepatic blood flow, particularly via the portal vein. Although immediate re-anastomosis or thrombectomy is applied, organized thrombosis cannot always be surgically removed. PMID- 29202353 TI - Giant interparietal inguinal hernia with undescended testis-A Rare case report. AB - INTRODUCTION: An interparietal inguinal hernia is a rare form of hernia. In this type of hernia, the sac passes between the layers of the abdominal wall of the inguinal canal area. Although its treatment is very simple but pre-operative diagnosis is really a challenging issue. PRESENTATION OF CASE: A 62 years old male patient presented with complaint of a large swelling over right lower abdomen with absence of right testes since birth. The lump was measured 26*22cm in size. Ultrasonography (USG) and Contrast enhanced computed Tomography (CECT) failed to diagnose as interparietal inguinal hernia which was proved intra operatively. Few cases have been reported in the medical literature like this. DISCUSSION: Exploration revealed the large abdominal lump presenting as an interparietal inguinal hernia. Hernia sac was lying in between external & internal oblique muscles. The right testis was intraabdominal & atrophied. The external inguinal ring was almost completely obstructed. CONCLUSION: An interparietal hernia with undescended testis is a very rare presentation. Even with USG & CT scan diagnosis is very challenging and final diagnosis can be made only intraoperatively. PMID- 29202354 TI - Silica-covered star-shaped Au-Ag nanoparticles as new electromagnetic nanoresonators for Raman characterisation of surfaces. AB - One of the tools used for determining the composition of surfaces of various materials is shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS). SHINERS is a modification of "standard" surface-enhanced Raman spectroscopy (SERS), in which, before Raman spectra are recorded, the surfaces analysed are covered with a layer of plasmonic nanoparticles protected by a very thin layer of a transparent dielectric. The plasmonic cores of the core-shell nanoparticles used in SHINERS measurements generate a local enhancement of the electric field of the incident electromagnetic radiation, whereas the transparent coatings prevent the metal cores from coming into direct contact with the material being analysed. In this contribution, we propose a new type of SHINERS nanoresonators that contain spiky, star-shaped metal cores (produced from a gold/silver alloy). These spiky, star-shaped Au-Ag nanoparticles have been covered by a layer of silica. The small radii of the ends of the tips of the spikes of these plasmonic nanostructures make it possible to generate a very large enhancement of the electromagnetic field there, with the result that such SHINERS nanoresonators are significantly more efficient than the standard semi-spherical nanostructures. The Au-Ag alloy nanoparticles were synthesised by the reduction of a solution containing silver nitrate and chloroauric acid by ascorbic acid. The final geometry of the nanostructures thus formed was controlled by changing the ratio between the concentrations of AuCl4- and Ag+ ions. The shape of the synthesised star-shaped Au-Ag nanoparticles does not change significantly during the two standard procedures for depositing a layer of silica (by the decomposition of sodium silicate or the decomposition of tetraethyl orthosilicate). PMID- 29202355 TI - Preparation of cellophane-based substrate and its SERS performance on the detection of CV and acetamiprid. AB - Cellophane was taken as platform to fabricate a new SERS substrate via silver mirror action. From Raman spectra, it can be found that the Raman signal of Ag coated cellophane has little influence on the detection of analytes molecules. Raman mapping analysis showed that the cellophane-based SERS substrate has good uniformity. By using the Ag-coated cellophane, 10-6-10-9M crystal violet (CV) could be detected by this substrate and the reproducibility of the substrate was also involved. Acetamiprid was also detected via Ag-coated cellophane. The result showed that cellophane is suitable to be taken as platform for preparation of SERS substrates. PMID- 29202356 TI - Apraxia of object-related action does not depend on visual feedback. AB - Pantomime of tool use is typically affected in neurological patients with apraxia, while at the same time these patients are able to perform the use of the actual tool with less or no errors. This discrepancy is commonly explained by differences in afferent input, in particular a lack of visual online feedback from the object in pantomime. The present study investigated the role of visual feedback in apraxia of pantomime by testing neurological patients with apraxia and healthy controls in a task requiring the pantomime of tool use as well as real tool use. Visual feedback was systematically removed at different phases of the action using shutter glasses that were controlled online based on real-time motion-capturing. Data analyses revealed more errors in pantomime than in real tool use. These differences were similar in patients as well as in controls. Removal of visual feedback did not affect apractic errors specifically; it neither increased patients' apractic errors during pantomime of tool use nor transformed the patients' normal movements with a real tool into movements with apractic errors. Our findings contradict the hypothesis that apraxia patients pathologically over-rely on visual feedback. Instead, we propose that pantomime of tool use requires cognitive processes that are not necessary for real tool use and independent of visual online feedback. PMID- 29202358 TI - Increasing mediolateral standing sway is associated with increasing corticospinal excitability, and decreasing M1 inhibition and facilitation. AB - In standing, corticospinal excitability increases and primary motor cortex (M1) inhibition decreases in response to anterior posterior or direction unspecific manipulations that increase task difficulty. However, mediolateral (ML) sway control requires greater active neural involvement. Therefore, the primary purpose of this study was to determine the pattern of change in neural excitability when ML postural task difficulty is manipulated and to test whether the neural excitability is proportional to ML sway magnitude across conditions. Tibialis anterior corticospinal excitability was quantified using motor evoked potential (MEP) and postural sway was indexed using ML center of pressure (COP) velocity. Additionally, we examined inhibition and facilitation processes in the primary motor cortex using the paired pulse short interval intracortical inhibition (SICI) and intracortical facilitation (ICF) techniques respectively. Measurements were repeated in four conditions with quiet stance as a control. Differences between conditions were tested using one-way repeated measures ANOVAs, on log transformed data. Associations were quantified using Spearman's Rank Correlation Coefficient. There was a significant main effect of condition on all the neural excitability measures with MEP (p<0.001) being highest in the most difficult condition, and SICI (p=0.01), ICF (p<0.001) being lowest in the most difficult condition. Increasing ML COP velocity was significantly associated with increasing MEP amplitude (r=0.68, p<0.001), but decreasing SICI (r=0.24, p=0.03) and ICF (r=-0.54, p<0.001). Our results show that both corticospinal and M1 excitability in standing are scaled in proportion to ML task difficulty. PMID- 29202357 TI - Effect of parameter selection on entropy calculation for long walking trials. AB - It is sometimes difficult to obtain uninterrupted data sets that are long enough to perform nonlinear analysis, especially in pathological populations. It is currently unclear as to how many data points are needed for reliable entropy analysis. The aims of this study were to determine the effect of changing parameter values of m, r, and N on entropy calculations for long gait data sets using two different modes of walking (i.e., overground versus treadmill). Fourteen young adults walked overground and on a treadmill at their preferred walking speed for one-hour while step time was collected via heel switches. Approximate (ApEn) and sample entropy (SampEn) were calculated using multiple parameter combinations of m, N, and r. Further, r was tested under two cases r*standard deviation and r constant. ApEn differed depending on the combination of r, m, and N. ApEn demonstrated relative consistency except when m=2 and the smallest r values used (rSD=0.015*SD, 0.20*SD; rConstant=0 and 0.003). For SampEn, as r increased, SampEn decreased. When r was constant, SampEn demonstrated excellent relative consistency for all combinations of r, m, and N. When r constant was used, overground walking was more regular than treadmill. However, treadmill walking was found to be more regular when using rSD for both ApEn and SampEn. For greatest relative consistency of step time data, it was best to use a constant r value and SampEn. When using entropy, several r values must be examined and reported to ensure that results are not an artifact of parameter choice. PMID- 29202359 TI - Integrated pharmacokinetics of ginsenosides after intravenous administration of YiQiFuMai powder injection in rats with chronic heart failure by UFLC-MS/MS. AB - YiQiFuMai powder injection (YQFM), derived from the classical traditional Chinese medicine (TCM) formula Shengmai San, is a modern preparation widely used to combat cardiovascular diseases, chronic heart failure (CHF) for example, in clinical practice in China. Ginsenosides are the major components of YQFM, which are responsible for its therapeutic effect. In this research, we developed a rapid, sensitive and simple method for simultaneous determination of ten ginsenosides from YQFM in CHF rat plasma with ultra-fast liquid chromatography tandem mass spectrometry (UFLC-MS/MS). After solid phase extraction (SPE), chromatography was done on an Acquity UPLC HSS T3 column (1.8MUm, 100mm*2.1mm, i.d.) through an 8.0min gradient elution with acetonitrile and 0.1% formic acid in water, while mass spectrometry was performed in the positive ion electrospray ionization (ESI) mode. A good linearity was achieved for each analyte with correlation coefficient (r) >0.9920. The lower limits of quantification (LLOQ) were 1.25ng/mL for ginsenoside Rg1, Rd, Re and Rh1, 2.5ng/mL for ginsenoside Rf, Rg3, Rb2 and Rb3 and 5.0ng/mL for ginsenoside Rb1 and Rc, respectively. All the precision (RSD) data ranged from 1.7-14.5% and the accuracy (RE) data was within +/-13.73%. Moreover, the validated method has been applied to investigate the integrated pharmacokinetic profiles of ginsenosides in CHF rats following intravenous administration of YQFM successfully. PMID- 29202360 TI - Enhanced capillary electrophoretic screening of Alzheimer based on direct apolipoprotein E genotyping and one-step multiplex PCR. AB - Human apolipoprotein E (ApoE) is associated with high cholesterol levels, coronary artery disease, and especially Alzheimer's disease. In this study, we developed an ApoE genotyping and one-step multiplex polymerase chain reaction (PCR) based-capillary electrophoresis (CE) method for the enhanced diagnosis of Alzheimer's. The primer mixture of ApoE genes enabled the performance of direct one-step multiplex PCR from whole blood without DNA purification. The combination of direct ApoE genotyping and one-step multiplex PCR minimized the risk of DNA loss or contamination due to the process of DNA purification. All amplified PCR products with different DNA lengths (112-, 253-, 308-, 444-, and 514-bp DNA) of the ApoE genes were analyzed within 2min by an extended voltage programming (VP) based CE under the optimal conditions. The extended VP-based CE method was at least 120-180 times faster than conventional slab gel electrophoresis methods In particular, all amplified DNA fragments were detected in less than 10 PCR cycles using a laser-induced fluorescence detector. The detection limits of the ApoE genes were 6.4-62.0pM, which were approximately 100-100,000 times more sensitive than previous Alzheimer's diagnosis methods In addition, the combined one-step multiplex PCR and extended VP-based CE method was also successfully applied to the analysis of ApoE genotypes in Alzheimer's patients and normal samples and confirmed the distribution probability of allele frequencies. This combination of direct one-step multiplex PCR and an extended VP-based CE method should increase the diagnostic reliability of Alzheimer's with high sensitivity and short analysis time even with direct use of whole blood. PMID- 29202361 TI - A novel adenine-releasing assay for ribosome-inactivating proteins. AB - Ribosome-inactivating proteins (RIPs) are toxic enzymes that are mostly biosynthesized by plants. RIPs are N-glycosidases that cleave an essential adenine molecule from the 28S rRNA. This is followed by the irreversible inhibition of protein synthesis leading to cell death. By fusing RIPs to cancer cell specific targeting ligands RIPs have been utilized for targeted anti-tumor therapy. The anti-tumoral efficiency of such conjugates depends significantly on the N-glycosidase activity of the RIP domain. Different methods have been developed in order to determine the N-glycosidase activity of RIPs and RIP domain containing anti-tumor toxins. However the existing methods are elaborate and include radioassays, HPLC and enzymatic conversion assays. Here, a simple and cost effective N-glycosidase assay is presented, which is based on the direct determination of the released adenine by thin-layer chromatography (TLC) and TLC densitometry. An adenine based single stranded oligonucleotide is used as substrate. Following TLC development the released adenine is quantified on silica glass plates by UV absorbance at 260nm. PMID- 29202362 TI - Multi-residue analysis of sedative drugs in human plasma by ultra-high performance liquid chromatography tandem mass spectrometry. AB - BACKGROUND: Sedative drugs are often used for the treatment of depression, anxiety and insomnia and they are involved in many forensic cases. This work established a method for the simultaneous determination of multi-groups of sedative drugs (benzodiazepines, barbitals, phenothiazines, tricyclic antidepressant and butyrophenone) in human plasma for forensic analysis. A large number of sedative drugs with forensic interest can be analyzed in a short time with lower limits of quantification by combination of SPE extraction and ultra performance liquid chromatography-tandem mass spectrometry. METHODS: Sample preparation consisted of extraction of the plasma by hydrochloric acid solution and further purified by SLW solid phase extraction column. RESULTS: The method was fully validated to cover large concentration ranges of 50-1000MUg/L for 5 Barbital drugs, while 1.0-50MUg/L for the other 14 sedative drugs. The average recoveries of the drugs spiked at three levels ranged from 65.3% to 114.3% with the relative standard deviation between 1.2% and 13.2%. The lowest limits of quantification (LLOQ) were 100MUg/L for Barbital drugs and1.0MUg/L for all the other 14 drugs. CONCLUSIONS: This validated method has been successfully used in emergency analysis of multi-residues of sedative drugs in plasma. PMID- 29202363 TI - Quantification of glycocholic acid in human serum by stable isotope dilution ultra performance liquid chromatography electrospray ionization tandem mass spectrometry. AB - A rapid, accurate and sensitive stable isotope dilution ultra performance liquidchromatography electrospray ionization tandem mass spectrometry (ID-UPLC ESI-MS/MS) method for the determination of glycocholic acid (GCA) in human serum was developed and validated. Serum samples were spiked with D5-glycocholic acid and then pretreated with protein precipitation. The analysis was performed on a Waters BEH C18 column (100 mm*2.1mm, 1.7MUm), followed by ESI-MS/MS detection in negative ion mode under multiple reaction monitoring mode. The calibration curves covered a concentration range from 0.2 to 400ng/mL. The limit of detection and limit of quantification was 0.01ng/mL and 0.05ng/mL, respectively. The method showed satisfactory precision on intra-day (2.3-6.1%) and inter-day (2.4-4.6%) analyses and achieved good recovery at three spiked levels (103.7-114.3%). Moreover, this established method was successfully applied for quantification of GCA in serum samples from healthy volunteers, patients with hepatocellular carcinoma (HCC) and patients with other cancers. We demonstrated that the level of GCA in patients with HCC was significantly higher not only than that in healthy controls, but also than that in patients with other cancer, whereas no significant difference of GCA level was observed between healthy control group and other cancers group. PMID- 29202364 TI - Perceptions of randomness in binary sequences: Normative, heuristic, or both? AB - When people consider a series of random binary events, such as tossing an unbiased coin and recording the sequence of heads (H) and tails (T), they tend to erroneously rate sequences with less internal structure or order (such as HTTHT) as more probable than sequences containing more structure or order (such as HHHHH). This is traditionally explained as a local representativeness effect: Participants assume that the properties of long sequences of random outcomes-such as an equal proportion of heads and tails, and little internal structure-should also apply to short sequences. However, recent theoretical work has noted that the probability of a particular sequence of say, heads and tails of length n, occurring within a larger (>n) sequence of coin flips actually differs by sequence, so P(HHHHH) 75% to diagnose a viable pregnancy were 100%, 31%, 45.9% and 100%, respectively. hCG H48/H0 ratio increase <11% was associated with early pregnancy loss in 100% of the cases. hCG H48/H0 ratio increase >75% was associated with 100% of viable pregnancies in 100% of the cases. CONCLUSION: Serial hCG levels alone permitted an early viability diagnosis within 48h for 41.1% of patients with PUV instead of 7 to 14days with TVS. PMID- 29202393 TI - Designing a lifestyle intervention to reduce risk of type 2 diabetes in postpartum mothers following gestational diabetes: An online survey with mothers and health professionals. AB - OBJECTIVE: The aim of this study was to identify what components of a postpartum lifestyle intervention would engage postpartum mothers who had a diagnosis of gestational diabetes. STUDY DESIGN: Two online surveys were conducted, one involving postnatal mothers with GDM (n=83), and a second for health professionals (n=46). RESULTS: Seventy-eight percent of mothers were aware that healthy eating, exercise and weight management were all important to reduce risk of subsequent type 2 diabetes. However, 80% of women in this survey were not ready to engage in a postpartum lifestyle intervention within the first 6 months of giving birth; in contrast 52% of health professionals recommended they should be engaged in the first six weeks. Group sessions were the most commonly chosen format to deliver an intervention (30%). A community setting was preferred to a medical one. Mothers wanted recipe ideas (95%) in preference to general dietary advice (76%) or cooking skills courses (39%). Walking was the main form of exercise for 79% of mothers in this sample. Women highlighted difficulty in focusing on their own health goals because of competing demands of looking after a baby (41% agreed, Median 3, IQR 2), tiredness (65% agreed, Md 4, IQR 1) and the need for childcare (64% agreed, Md 4, IQR 2). CONCLUSION: A walking programme, recipe ideas and weight monitoring may be useful components when designing a postpartum lifestyle intervention. Barriers to engagement are evident and the intervention should allow women to engage at a time that is appropriate for them. PMID- 29202394 TI - Common errors made in attempt to contract the pelvic floor muscles in women early after delivery: A prospective observational study. AB - OBJECTIVES: The ability to perform a correct pelvic floor muscle contraction (PFMC) is necessary to start pelvic floor muscle training after delivery. COMMOV are "c"ontractions of "o"ther "m"uscles (m. rectus abdominus, the gluteal muscles, and the adductors), and other "mov"ements (pelvic tilt, breath holding, and straining) performed in addition to or instead of the PFMC. COMMOV are probably the most common errors in attempt to contract the pelvic floor muscles during the first days after delivery. The aims of this study were to observe the prevalence of COMMOV, to investigate whether COMMOV influence the ability to perform a PFMC, and whether verbal instructions are effective to unlearn the COMMOV postpartum. STUDY DESIGN: A Prospective Observational Study was performed in women during the first through sixth day postpartum. PFMC and COMMOV were evaluated with visual observation. Women who did not show correct isolated PFMC received verbal instructions and were re-evaluated. Interobserver variability and agreement were calculated. Chi-square, Kappa, Risk Ratio, and McNemar were used. RESULTS: A total of 382 women participated, 2.36 (+/-1.2) days postpartum. Twohundred sixteen, 57%, CI (52-62%), showed COMMOV. The chance to perform a correct PFMC was 2.65 times higher without COMMOV (p=0.0001). Verbal feedback was effective (57% reduced to 3%) to abandon COMMOV during PFMC. CONCLUSION: COMMOV are common errors performed during attempts to contract the pelvic floor muscles after delivery. They can reduce the ability to contract the pelvic floor muscles, but can easily been unlearned with visual observation and verbal feedback. PMID- 29202395 TI - Generalized unprovoked vulvodynia; A retrospective study on the efficacy of treatment with amitriptyline, gabapentin or pregabalin. AB - OBJECTIVE: To describe patient characteristics of women diagnosed with generalized unprovoked vulvodynia (GUV) and to estimate efficacy and tolerability of treatment. MATERIAL AND METHODS: Retrospective observational study in 241 women who presented with GUV at three vulvar disease clinics in Rotterdam, The Netherlands during 1996-2013. Main outcome was efficacy of amitriptyline, gabapentin or pregabalin treatment. RESULTS: The median duration of symptoms was 24 months and median age 62 years (range 36-89). Most of the patients reported a burning sensation, often worsened by sitting, urinating or having intercourse. Treatment with either amitriptyline, gabapentin or pregabalin produced long lasting pain relief in 60% and temporary pain relief in 10%, while treatment was not successful in 30% of the patients. Around 30% of the patients had to stop their medication due to side effects. In 44 of the 241 (18%) women signs of vulvar dermatoses were present that could not explain the symptoms. These women experienced the same therapeutic efficacy as those without any visible abnormalities (chi-square goodness of fit p=0.49). CONCLUSIONS: Amitriptyline, gabapentin and pregabalin produced long lasting pain relief in most of the women with GUV. The 2015 International Society for the Study of Vulvovaginal Disease nomenclature acknowledges the concomitant presence of vulvar dermatoses and vulvodynia. This enables treatment of both conditions simultaneously, a situation that occurs regularly according to our study. We advocate that women with symptoms of GUV, with or without the presence of vulvar dermatoses, receive a therapeutic trial with drugs such as amitriptyline. PMID- 29202396 TI - Does coffee affect the bowel function after caesarean section? AB - OBJECTIVES: Postoperative ileus is a common consequence of abdominal surgery, which tends to prolong the duration of hospital stay and imposes considerable economic costs on healthcare system. Coffee is proved to have positive effects on gastrointestinal motility index in healthy young adults. Thus, the present study aims to examine effects of coffee on bowel function after caesarean section. MATERIAL AND METHOD: A total number 100 patients after elective caesarean section were randomly assigned before surgery into control and intervention groups. The intervention group received 100cc coffee at 8, 12 and 20h after the surgery, while the control group received 100cc hot water at the same intervals. First bowel sound, first passage of flatus, first defecation, and length of stay after surgery were compared in the two groups. FINDINGS: Mean time to first flatus passage was recorded in the control (22.54+/-5.09h) and intervention (17.28+/ 4.44h) groups and showed to be statistically significant (p=-0.000). However, average time of first defecation (intervention 37.22+/-16.31h; control 36.82+/ 16.5h; p=0.647) and mean time of hospital stay of patients (intervention 30.08+/ 9.50h; control 32.16+/-11.82h; p=0.518) and first bowel sound (intervention 5.84+/-1.41h; control 6.16+/-1.33h; p=-0.326) were not statistically significant. DISCUSSION: Drinking coffee after a caesarean section reduces time to first flatus in patients. Nevertheless, further studies are needed to examine effects of coffee on ileus after elective caesarean section. PMID- 29202397 TI - Design, synthesis and biological evaluation of novel 2-aminobenzamides containing dithiocarbamate moiety as histone deacetylase inhibitors and potent antitumor agents. AB - A novel series of 2-aminobenzamides with dithiocarbamate as cap group were designed and synthesized as histone deacetylase (HDAC) inhibitors. Most newly synthesized compounds displayed potent antiproliferative activity against diverse human tumor cell lines. The most potent compounds, M101, M122 and M133 exhibited remarkably enhanced anticancer potency against 6 kinds of cancer cell lines with IC50 values of as low as 0.54-2.49 MUM compared with CS055 (2.28~ >26 MUM) and MS275 (0.47-6.74 MUM). HDAC isoform selectivity assay indicated that M101, M122 and M133 are HDAC1 and HDAC2 selective inhibitors. We also rationalize the high potency and selectivity of compound M122 by molecular docking. Further investigation showed that M101, M122 and M133 could inhibit colony formation of human hepatocellular carcinoma cell line SMMC7721. Furthermore, M101, M122 and M133 remarkably induced apoptosis in SMMC7721 cancer cells. M101 and M133 were found to potently induce SMMC7721 cancer cell cycle arrest at G2/M phase. This study demonstrated that introducing dithiocarbamate as the capping group of 2 aminobenzamide is effective for improving both HDAC inhibitory activity and antitumor activity. The most potent compounds, M101, M122 and M133 could be promising candidates for cancer therapy. PMID- 29202398 TI - Synthesis and biological characterization of ubenimex-fluorouracil conjugates for anti-cancer therapy. AB - Previously a novel ubenimex-fluorouracil (5-FU) conjugate, BC-01 was identified and validated as a potent CD13 inhibitor with marked in vitro and in vivo antitumor potency. Herein, further structural modifications of the linker part of BC-01 was carried out to get more potent and stable ubenimex-fluorouracil conjugates. It was striking that most of these conjugates showed even more potent CD13 inhibitory activities than BC-01 and the approved CD13 inhibitor ubenimex. One representative compound 12a displayed significant in vitro anti proliferation, pro-apoptosis, anti-metastasis, anti-angiogenesis and CD13+ cell elimination effects. In vitro stability and in vivo pharmacokinetic study revealed that compound 12a could release ubenimex and 5-FU slowly, which could act as a mutual prodrug of ubenimex and 5-FU. Compared with 5-FU or 5-FU plus ubenimex, 12a exhibited superior in vivo antitumor growth efficiency, even in our mice model of 5-FU-resistant liver cancer. Moreover, 12a exhibited more potent in vivo anti-metastasis and lifespan extension effects compared to the approved 5-FU prodrug capecitabine. Collectively, these results suggest that further optimization and evaluation of 12a as a promising anticancer candidate are warranted to develop effective therapeutic agents for human liver cancer. PMID- 29202399 TI - Urokinase receptor derived peptides as potent inhibitors of the formyl peptide receptor type 1-triggered cell migration. AB - The receptor for the urokinase-type plasminogen activator (uPAR) is a widely recognized master regulator of cell migration. We and others have previously documented that the uPAR(84-95) sequence, interacts with the formyl peptide receptors (FPR)s, henceforth inducing cell migration of several cell lines, including leukocytes, and the synthetic shorter peptide (Ser88-Arg-Ser-Arg-Tyr92, SRSRY) retains chemotactic activity in vitro and in vivo. Recently, we have developed the head-to-tail cyclic analog [SRSRY], a new potent and stable inhibitor of monocyte trafficking. This prompted us to develop novel cyclic and linear analogs of [SRSRY] with the aim to broaden the knowledge about structure activity relationships of peptide [SRSRY]. Herein we report their synthesis, effects on cell migration, conformational and docking analyses which served to envisage a new pharmacophore model for inhibitors of FPR1-triggered cell migration. PMID- 29202400 TI - Discovery of caffeic acid phenethyl ester derivatives as novel myeloid differentiation protein 2 inhibitors for treatment of acute lung injury. AB - Myeloid differentiation protein 2 (MD2) is an essential molecule which recognizes lipopolysaccharide (LPS), leading to initiation of inflammation through the activation of Toll-like receptor 4 (TLR4) signaling. Caffeic acid phenethyl ester (CAPE) from propolis of honeybee hives could interfere interactions between LPS and the TLR4/MD2 complex, and thereby has promising anti-inflammatory properties. In this study, we designed and synthesized 48 CAPE derivatives and evaluated their anti-inflammatory activities in mouse primary peritoneal macrophages (MPMs) activated by LPS. The most active compound, 10s, was found to bind with MD2 with high affinity, which prevented formation of the LPS/MD2/TLR4 complex. The binding mode of 10s revealed that the major interactions with MD2 were established via two key hydrogen bonds and hydrophobic interactions. Furthermore, 10s showed remarkable protective effects against LPS-caused ALI (acute lung injury) in vivo. Taken together, this work provides new lead structures and candidates as MD2 inhibitors for the development of anti-inflammatory drugs. PMID- 29202401 TI - Synthesis, biological evaluation and structure-activity relationship studies of hederacolchiside E and its derivatives as potential anti-Alzheimer agents. AB - Inspired by the previously reported neuroprotective activity of hederacolchiside E (1), we synthesized hederacolchiside E for the first time along with eleven of its derivatives. The neuroprotective effects of these compounds were further evaluated against H2O2- and Abeta1-42-induced injury using cell-based assays. The derivatives showed obvious differences in activity due to structural variations, and two of them exhibited better neuroprotective effects than 1 in the Abeta1-42 induced injury model. Compound 7 was the most active derivative and had a relatively simple chemical structure. Moreover, 1 and 7 can significantly reduce the release of lactate dehydrogenase (LDH), level of intracellular reactive oxygen species (ROS) and extent of malondialdehyde (MDA) increase resulting from Abeta1-42 treatment, which demonstrated that these kinds of compounds show neuroprotective effects in Alzheimer's disease (AD) models via modulating oxidative stress. Compound 7 could be used as promising lead for the development of a new type of neuroprotective agent against AD. PMID- 29202402 TI - Design, synthesis, and biological evaluation of a series of resorcinol-based N benzyl benzamide derivatives as potent Hsp90 inhibitors. AB - Heat shock protein 90 (Hsp90) is a ubiquitous molecular chaperone that is responsible for the stabilization and maturation of many oncogenic proteins. Therefore, Hsp90 has emerged as an attractive target in the field of cancer chemotherapy. In this study, we report the design, synthesis, and biological evaluation of a series of Hsp90 inhibitors. In particular, compound 30f shows a significant Hsp90alpha inhibitory activity with IC50 value of 5.3 nM and an excellent growth inhibition with GI50 value of 0.42 MUM against non-small cell lung cancer cells, H1975. Compound 30f effectively reduces the expression levels of Hsp90 client proteins including Her2, EGFR, Met, Akt, and c-Raf. Consequently, compound 30f promotes substantial cleavages of PARP, Caspase 3, and Caspase 8, indicating that 30f induces cancer cell death via apoptotic pathway. Moreover, cytochrome P450 assay indicates that compound 30f has weak inhibitory effect on the activities of five major P450 isoforms (IC50 > 5 MUM for 1A2, 2C9, 2C19, 2D6, and 3A), suggesting that clinical interactions between 30f and the substrate drugs of the five major P450 isoforms are not expected. Compound 30f also inhibits the tumor growth in a mouse xenograft model bearing subcutaneous H1975 without noticeable abnormal behavior and body weight changes. The immunostaining and western immunoblot analysis of EGFR, Met, Akt in xenograft tissue sections of tumor further demonstrate a good agreement with the in vitro results. PMID- 29202403 TI - Design, synthesis and structure-activity relationship of a focused library of beta-phenylalanine derivatives as novel eEF2K inhibitors with apoptosis-inducing mechanisms in breast cancer. AB - Eukaryotic elongation factor 2 kinase (eEF2K) is a Ca2+/calmudulin-dependent protein kinase, belonging to a small family of an atypical Ser/Thr-protein kinase. eEF2K has been recently reported to be highly activated or overexpressed in many types of cancer; therefore, eEF2K would be regarded as a promising therapeutic target. In this study, we discovered a beta-phenylalanine scaffold by virtual high-throughput screening, as well as designed and synthesized 46 derivatives with assessment of inhibition activity against eEF2K and cytotoxicity. After several rounds of kinase and anti-proliferative activity screening, we discovered an eEF2K inhibitor (21l) with best eEF2K enzymatic activity (IC50 of 5.5 MUM) and anti-proliferative activity (MDA-MB-231 cells, IC50 of 12.6 MUM, MDA-MB-436 cells, IC50 of 19.8 MUM). Moreover, we found that 21l could induce cell death via the apoptotic pathways in MDA-MB-231 and MDA-MB 436 cells. Subsequently, we evaluated its anti-tumor activity and apoptosis inducing mechanisms in vivo. These results suggested that 21l inhibited tumor growth by apoptosis in the xenograft mouse model of breast cancer (MDA-MB-231 and MDA-MB-436). Collectively, our results demonstrate a novel small-molecule inhibitor targeting eEF2K with mechanism of apoptosis and a therapeutic potential in breast cancer. PMID- 29202404 TI - Discovery of a novel series of alpha-terpineol derivatives as promising anti asthmatic agents: Their design, synthesis, and biological evaluation. AB - A series of novel alpha-terpineol derivatives were designed and synthesized through structural derivatization of the tertiary hydroxyl moiety or reduction of the double bond. Of the resulting compounds, eight compounds enhanced relaxation of airway smooth muscle (ASM) compared to the alpha-terpineol precursor, and four compounds (4a, 4d, 4e, and 4i)were superior or comparable to aminophylline at a concentration of 0.75 mmol/L. Assays for 3'-5'-Cyclic adenosine monophpsphate (cAMP) activation revealed that some representative alpha-terpineol derivatives in this series were capable of upregulating the level of cAMP in ASM cells. Further in vivo investigation using the asthmatic rat model, illustrated that treatment with the compounds 4a and 4e resulted in significantly lowered lung resistance (RL) and enhanced dynamic lung compliance (Cldyn), two important parameters for lung fuction. Moreover, treatment with 4e downregulated the levels of both IL-4 and IL-17. Due to its several favorable physiological functions, including ASM relaxation activity, cAMP activation capability, and in vivo anti asthmatic efficacy, 4e is a promising remedy for bronchial asthma, meriting extensive development. PMID- 29202405 TI - Potent aromatase inhibitors and molecular mechanism of inhibitory action. AB - Estrogen is a significant factor in the maintenance and progression of hormone dependent breast cancer. As well known, aromatase mediates the production of estrogen. Thus, inhibition of aromatase with chemical molecules has been considered to be an effective treatment for estrogen receptor-positive (ER+) breast cancer. In this work, we designed and synthesized a series of novel non steroidal molecules containing 2-phenylindole scaffold and moiety of either imidazole or 1,2,4-triazole to enhance their binding capacity with the aromatase. Among these molecules, a compound named as 8o was confirmed experimentally to have the highest inhibitory activity to aromatase. Further cell activity assay proved that compound 8o has low cytotoxicity and is a promising lead for developing novel aromatase inhibitors. Molecular modeling and simulation techniques were performed to identify the binding modes of letrozole and 8o with the aromatase. Analysis of energy of the two compound-aromatase complexes revealed that the 8o has low binding energy (strong binding affinity) to the aromatase as compared to letrozole, which was in accordance with the experimental results. As concluded, a combination of experimental and computational approaches facilitates us to understand the molecular mechanism of inhibitory action and discover more potent non-steroidal AIs against aromatase, thereby opening up a novel therapeutic strategy for hormone-dependent breast cancer. PMID- 29202406 TI - Pyrano[3,2-a]carbazole alkaloids as effective agents against ischemic stroke in vitro and in vivo. AB - A series of pyrano[3,2-a]carbazole alkaloids were designed and synthesized as analogues of Claulansine F (Clau F, 10a) isolated from Clausena lansium. Some of compounds showed strong neuroprotective effects and were promising agents against ischemic stroke. Among these compounds, 7c was the most active in inhibiting the programmed death of PC12 cells and primary cortical neurons. This compound induced neuroprotection following ischemic reperfusion and decreased neurological deficit scores in treated animals. Furthermore, 7c could penetrate the blood brain barrier (BBB) in rats, and its exposure in the brain was 4.3-fold higher than that in plasma. More importantly, compared to edaravone, 7c exhibited stronger free radical scavenging activity. Our findings suggest that 7c may be promising for further evaluation as an intervention for ischemic stroke. PMID- 29202407 TI - Exploiting polypharmacology for improving therapeutic outcome of kinase inhibitors (KIs): An update of recent medicinal chemistry efforts. AB - Polypharmacology has been increasingly advocated for the therapeutic intervention in complex pathological conditions, exemplified by cancer. Although kinase inhibitors (KIs) have revolutionized the treatment for certain types of malignancies, some major medical needs remain unmet due to the relentless advance of drug resistance and insufficient efficacy of mono-target KIs. Hence, "multiple targets, multi-dimensional activities" represents an emerging paradigm for innovative anti-cancer drug discovery. Over recent years, considerable leaps have been made in pursuit of kinase-centric polypharmacological anti-cancer therapeutics, providing avenues to tackling the limitation of mono-target KIs. In the review, we summarize the clinically important mechanisms inducing KI resistance and depict a landscape of recent medicinal chemistry efforts on exploring kinase-centric polypharmacological anti-cancer agents that targeting multiple cancer-related processes. In parallel, some inevitable challenges are emphasized for the sake of more accurate and efficient drug discovery in the field. PMID- 29202408 TI - Synthesis and antimycobacterial activity of triterpeni? A-ring azepanes. AB - A series of A-ring azepanones and azepanes derived from betulonic, oleanonic and ursonic acids was synthesized and evaluated for their in vitro antimycobacterial activities against M. tuberculosis (MTB) H37Rv and SDR-TB in the National Institute of Allergy and Infectious Diseases. Triterpenic A-azepano-28-hydroxy derivatives were synthesized by the reduction with LiAlH4 of triterpenic azepanones available from the Beckmann rearrangement of the corresponding C3 oximes. Modification of azepanes at NH-group and atoms S12, C20, C28 and C29 of triterpenic core led to the derivatives with oxo, epoxy, aminopropyl, oximino and acyl substituents. The primary assay of tested triterpenoids against MTB H37Rv demonstrated their MIC values ranged from 3.125 to >200 MUM. Ursane type A azepano-28-cinnamoates were the most active being 2 and 4 times more efficient than the initial 28-hydroxy-derivative. The follow-up testing revealed A-azepano 28-cinnamoyloxybetulin as a leader compound with MIC 2 and MBC 4 MUM against MTB H37Rv and MICs 4, 1 and 1 MUM against INH, RIF and OFX resistant strains, respectively. Five oleanane and ursane azepanes pronounced better activity than isoniazid against INH-R1 and rifampicin against INH-R2 strains. This work opens a new direction in the design and synthesis of new antitubercular agents basing on azepanotriterpenoids. PMID- 29202409 TI - A fluorine scan of a tubulin polymerization inhibitor isocombretastatin A-4: Design, synthesis, molecular modelling, and biological evaluation. AB - A novel series of tubulin polymerization inhibitors, based on fluorinated derivatives of isocombretastatin A-4 was synthesized with the goal of evaluating the effect of these compounds on the proliferative activity. The introduction of fluorine atom was performed on the phenyl ring or at the linker between the two aromatic rings. The modification of isoCA-4 by introduction of difluoromethoxy group at the para-position (3i) and substitution of the two protons of the linker by two fluorine atoms (3m), produced the most active compounds in the series, with IC50 values of 0.15-2.2 nM (3i) and 0.1-2 nM (3m) respectively, against a panel of six cancer cell lines. Compounds 3i and 3m had greater antiproliferative activity in comparison with references CA-4 or isoCA-4, the presence of fluorine group leads to a significant enhancement of the antiproliferative activity. Molecular docking studies indicated that compounds 3i and 3m occupy the colchicine binding site of tubulin. Evaluation of cytotoxicity in Human noncancer cells indicated that the compounds 3i and 3m were practically ineffective in quiescent peripheral blood lymphocytes, and may have a selective antiproliferative activity against cancer cells. Analyses of cell cycle distribution, and morphological microtubules organization showed that compound 3m induced G2/M phase arrest and, dramatically disrupted the microtubule network. PMID- 29202410 TI - Discovery, optimization and biological evaluation for novel c-Met kinase inhibitors. AB - The c-Met kinase has emerged as an attractive target for developing antitumor agents because of its close relationship with the development of many human cancers, poor clinical outcomes and even drug resistance. A series of novel c-Met kinase inhibitors have been identified with multiple workflow in this work, including virtual screening, X-ray crystallography, biological evaluation and structural optimization. The experimentally determined crystal structure of the best hit compound HL-11 in c-Met kinase domain was highly consistent with the computational prediction. Comparison of the hit compounds with different c-Met kinase inhibitory activity by molecular dynamics simulations suggested the key protein-ligand interactions for structural optimization. Based on these, structural optimization produced compound 11e with better c-Met kinase inhibitory activity and improved anti-proliferative activity. These experimental findings proved the reliability and efficiency of our in silico methods. This strategy will facilitate further lead discovery and optimization for novel c-Met kinase inhibitors. PMID- 29202411 TI - Novel ruthenium methylcyclopentadienyl complex bearing a bipyridine perfluorinated ligand shows strong activity towards colorectal cancer cells. AB - Three new compounds have been synthesized and completely characterized by analytical and spectroscopic techniques. The new bipyridine-perfluorinated ligand L1 and the new organometallic complex [Ru(eta5-MeCp)(PPh3)2Cl] (Ru1) crystalize in the centrosymmetric triclinic space group P1-. Analysis of the phenotypic effects induced by both organometallic complexes Ru1 and [Ru(eta5 MeCp)(PPh3)(L1)][CF3SO3] (Ru2), on human colorectal cancer cells (SW480 and RKO) survival, showed that Ru2 has a potent anti-proliferative activity, 4-6 times higher than cisplatin, and induce apoptosis in these cells. Data obtained in a noncancerous cell line derived from normal colon epithelial cells (NCM460) revealed an intrinsic selectivity of Ru2 for malignant cells at low concentrations, showing the high potential of this compound as a selective anticancer agent. PMID- 29202413 TI - Alteration of host-pathogen interactions in the wake of climate change - Increasing risk for shellfish associated infections? AB - The potential for climate-related spread of infectious diseases through marine systems has been highlighted in several reports. With this review we want to draw attention to less recognized mechanisms behind vector-borne transmission pathways to humans. We have focused on how the immune systems of edible marine shellfish, the blue mussels and Norway lobsters, are affected by climate related environmental stressors. Future ocean acidification (OA) and warming due to climate change constitute a gradually increasing persistent stress with negative trade-off for many organisms. In addition, the stress of recurrent hypoxia, inducing high levels of bioavailable manganese (Mn) is likely to increase in line with climate change. We summarized that OA, hypoxia and elevated levels of Mn did have an overall negative effect on immunity, in some cases also with synergistic effects. On the other hand, moderate increase in temperature seems to have a stimulating effect on antimicrobial activity and may in a future warming scenario counteract the negative effects. However, rising sea surface temperature and climate events causing high land run-off promote the abundance of naturally occurring pathogenic Vibrio and will in addition, bring enteric pathogens which are circulating in society into coastal waters. Moreover, the observed impairments of the immune defense enhance the persistence and occurrence of pathogens in shellfish. This may increase the risk for direct transmission of pathogens to consumers. It is thus essential that in the wake of climate change, sanitary control of coastal waters and seafood must recognize and adapt to the expected alteration of host-pathogen interactions. PMID- 29202412 TI - Treatment of swine wastewater in continuous activated sludge systems under different dissolved oxygen conditions: Reactor operation and evaluation using modelling. AB - Swine wastewater was treated in two continuously aerated activated sludge (AS) systems at high (AS1: 1.7-2.6 mg/L) and low (AS2: 0.04-0.08 mg/L) dissolved oxygen (DO), and at three temperatures (10, 20, and 30 degrees C). Biochemical oxygen demand (BOD) removal was >94.8%. Meanwhile, total nitrogen (N) removal was significantly higher in AS2, at 64, 89, and 88%, than in AS1, at 12, 24, and 46%, for 10, 20, and 30 degrees C, respectively. The experimental data were considered in a simulation study using an AS model for BOD and N removal, which also included nitrite, free ammonia, free nitrous acid, and temperature. Simulations at high-DO showed that ammonium was partly oxidized into nitrate but not removed, whereas at low-DO ammonium was removed mainly through the nitrite shortcut in simultaneous nitrification-denitrification. This study demonstrates that treatment at low-DO is an effective method for removing N, and modelling a helpful tool for its optimization. PMID- 29202414 TI - Study on the tribological behavior of surgical suture interacting with a skin substitute by using a penetration friction apparatus. AB - Surgical sutures have different sizes, structures, whereas they are being used for various surgeries. The high friction performance of surgical sutures in the suturing process may cause inflammation and pain, leading to a longer recovery time. This paper presents an understanding of the tribological behavior of surgical suture with monofilament and multifilament structures, by means of a penetration friction apparatus (PFA). The results indicated that structure and surface topography of the surgical suture had a pronounced effect on the tribological interactions. It was found that the friction force and abrasion area of skin substitute with the penetration of polyglycolic acid (PGA) multifilament surgical suture were larger than that of Nylon monofilament surgical suture. Meanwhile, more abrasion at the pull-in boundary of skin substitute was observed compared with that at the pull-out boundary. PMID- 29202415 TI - The interplay between viperin antiviral activity, lipid droplets and Junin mammarenavirus multiplication. AB - Junin arenavirus infections are associated with high levels of interferons in both severe and fatal cases. Upon Junin virus (JUNV) infection a cell signaling cascade initiates, that ultimately attempts to limit viral replication and prevent infection progression through the expression of host antiviral proteins. The interferon stimulated gene (ISG) viperin has drawn our attention as it has been highlighted as an important antiviral protein against several viral infections. The studies of the mechanistic actions of viperin have described important functional domains relating its antiviral and immune-modulating actions through cellular lipid structures. In line with this, through silencing and overexpression approaches, we have identified viperin as an antiviral ISG against JUNV. In addition, we found that lipid droplet structures are modulated during JUNV infection, suggesting its relevance for proper virus multiplication. Furthermore, our confocal microscopy images, bioinformatics and functional results also revealed viperin-JUNV protein interactions that might be participating in this antiviral pathway at lipid droplet level. Altogether, these results will help to better understand the factors mediating innate immunity in arenavirus infection and may lead to the development of pharmacological agents that can boost their effectiveness thereby leading to new treatments for this viral disease. PMID- 29202416 TI - Evaluation of the toxic response induced by azoxystrobin in the non-target green alga Chlorella pyrenoidosa. AB - The top-selling strobilurin, azoxystrobin (AZ), is a broad-spectrum fungicide that protects against many kinds of pathogenic fungi by preventing their ATP production. The extensive use of AZ can have negative consequences on non-target species and its effects and toxic mechanisms on algae are still poorly understood. In this work, Chlorella pyrenoidosa that had been grown in BG-11 medium was exposed to AZ (0.5-10 mg L-1) for 10 d. The physiological and molecular responses of the algae to AZ treatment, including photosynthetic efficiency, lipid peroxidation level, antioxidant enzyme activities, as well as transcriptome-based analysis of gene expression, were examined to investigate the potential toxic mechanism. Results shows that the photosynthetic pigment (per cell) increased slightly after AZ treatments, indicating that the photosystem of C. pyrenoidosa may have been strengthened. Glutathione and ascorbate contents were increased, and antioxidant enzyme activities were induced to relieve oxidative damage (e.g., from lipid peroxidation) in algae after AZ treatment. Transcriptome-based analysis of gene expression combined with physiological verification suggested that the 5 mg L-1 AZ treatment did not inhibit ATP generation in C. pyrenoidosa, but did significantly alter amino acid metabolism, especially in aspartate- and glutamine-related reactions. Moreover, perturbation of ascorbate synthesis, fat acid metabolism, and RNA translation was also observed, suggesting that AZ inhibits algal cell growth through multiple pathways. The identification of AZ-responsive genes in the eukaryotic alga C. pyrenoidosa provides new insight into AZ stress responses in a non-target organism. PMID- 29202417 TI - Metabolism of tri-n-butyl phosphate in earthworm Perionyx excavatus. AB - Tri-n-butyl phosphate (TBP) is widely used in various industrial processes and has been detected in all environmental matrices. So far, little work has been done regarding the metabolism of TBP on terrestrial invertebrates. We investigated the metabolism of TBP in the earthworm, Perionyx excavatus, after acute exposure to TBP for one and two days in filter paper contact test, as well as after chronic exposure for 28 days in soil experiment. Biotransformation products were identified by using liquid chromatography coupled with quadrupole time-of-flight mass spectrometry, and by exploiting the information dependent acquisition in tandem mass spectrometry. TBP exhibited low accumulation in earthworm-soil ecosystem at 10 mg/kg and 50 mg/kg. The presence of earthworms significantly enhanced TBP degradation at 50 mg/kg in soil. Dibutyl phosphate and hydroxylated TBP were the major phase I metabolites. Three novel phase II metabolites were identified: ethanol dibutyl phosphate and its sulfate conjugate, and the phosphate conjugate of hydroxylated TBP. Hydroxylation and further phosphorylation dominated metabolism in chronic exposure. An extensive metabolic pathway of TBP in earthworm was proposed. This is the first report of TBP metabolism in terrestrial invertebrates and highlights the necessity to identify metabolites of contaminants when evaluating their bioaccumulation and toxicity. PMID- 29202418 TI - Prenatal urinary polycyclic aromatic hydrocarbon metabolites, global DNA methylation in cord blood, and birth outcomes: A cohort study in China. AB - BACKGROUND: Prenatal exposure to polycyclic aromatic hydrocarbons (PAHs) is a potential risk factor for adverse birth outcomes. Epigenetic mechanisms may play a key role in which PAHs exert its effects. OBJECTIVE: Our study aimed to examine whether prenatal PAH exposure was associated with adverse birth outcomes and altered DNA methylation and to explore potential mediating roles of DNA methylation. METHODS: Ten urinary PAH metabolites were measured from 106 pregnant women during late pregnancy in a Chinese cohort study. Cord blood DNA methylation in long interspersed nucleotide element-1 (LINE-1) and Alu repetitive elements as surrogates of global DNA methylation was analyzed by bisulfite pyrosequencing. Multivariable linear regression was used to estimate the associations of urinary PAH metabolites with birth outcomes and DNA methylation, and a mediation analysis was also conducted. RESULTS: Prenatal urinary 2-hydroxynaphthalene (2-OHNa), ?OHNa (sum of 1- and 2-OHNa), and sum of monohydroxy-PAH (?OH-PAHs) were associated with lower birth length (e.g., -0.80%, 95% CI: -1.39%, -0.20% for the third vs. first tertile of 2-OHNa; p for trend = 0.01). Prenatal urinary 2-OHNa and 1-hydroxyphenanthrene (1-OHPh) were associated with lower Alu and LINE-1 methylation (e.g., -1.88%, 95% CI: -3.73%, -0.10% for the third vs. first tertile tertile of 2-OHNa in Alu methylation; p for trend = 0.04). Mediation analysis failed to show a mediator effect of global DNA methylation in the association between prenatal urinary OH-PAHs and birth outcomes. CONCLUSIONS: Prenatal specific PAH exposures are associated with decreased birth length and global DNA methylation. However, global DNA methylation does not mediate the associations of prenatal PAH exposure with birth outcomes. Further studies are needed to confirm the results. PMID- 29202419 TI - Ultrafine particulate matter impairs mitochondrial redox homeostasis and activates phosphatidylinositol 3-kinase mediated DNA damage responses in lymphocytes. AB - Particulate matter (PM), broadly defined as coarse (2.5-10 MUm), fine (0.1-2.5 MUm) and ultrafine particles (<=0.1 MUm), is a major constituent of ambient air pollution. Recent studies have linked PM exposure (coarse and fine particles) with several human diseases including cancer. However, the molecular mechanisms underlying ultrafine PM exposure induced cellular and sub-cellular repercussions are ill-defined. Since mitochondria are one of the major targets of different environmental pollutants, we herein aimed to understand the molecular repercussion of ultrafine PM exposure on mitochondrial machinery in peripheral blood lymphocytes. Upon comparative analysis, a significantly higher DCF fluorescence was observed in ultrafine PM exposed cells that confirmed the strong pro-oxidant nature of these particles. In addition, the depleted activity of antioxidant enzymes, glutathione reductase and superoxide dismutase suggested the strong association of ultrafine PM with oxidative stress. These results further coincided with mitochondrial membrane depolarization, altered mitochondrial respiratory chain enzyme activity and decline in mtDNA copy number. Moreover, the higher accumulation of DNA damage response proteins (gammaH2AX, pATM, p-p53), suggested that exposure to ultrafine PM induces DNA damage and triggers phosphatidylinositol 3 kinase mediated response pathway. Further, the alterations in mitochondrial machinery and redox balance among ultrafine PM exposed cells were accompanied by a considerably elevated pro-inflammatory cytokine response. Interestingly, the lower apoptosis levels observed in ultrafine particle treated cells suggest the possibility that the marked alterations may lead to the impairment of mitochondrial-nuclear cross talk. Together, our results showed that ultrafine PM, because of their smaller size possesses significant ability to disturb mitochondrial redox homeostasis and activates phosphatidylinositol 3 kinase mediated DNA damage response pathway, an unknown molecular paradigm of ultrafine PM exposure. Our findings also indicate that maneuvering through the mitochondrial function might be a viable, indirect method to modulate lymphocyte homeostasis in air pollution associated immune disorders. PMID- 29202420 TI - Detecting sulfamethoxazole and carbamazepine in groundwater: Is ELISA a reliable screening tool? AB - In recent years, numerous studies have reported the prevalence of organic micropollutants in natural waters. There is an increasing interest in assessing the occurrence and transport of these contaminants in groundwater because a large number of people in the United States rely on groundwater for their drinking water. However, commonly used mass-spectrometry-based analytical methods are expensive and time-consuming. The enzyme-linked immunosorbent assay (ELISA) method offers an inexpensive analytical alternative that provides semi quantitative results in a relatively quick timeframe. We investigated the use of ELISA for two commonly detected micropollutants, sulfamethoxazole (SMX) and carbamazepine (CBZ), in groundwater collected as part of two different studies, one in Minnesota and the other in Iowa. The ELISA results were compared with two mass-spectrometry-based methods: (1) direct aqueous injection-high performance liquid chromatography/tandem mass spectrometry (HPLC) and (2) online solid-phase extraction with liquid chromatography/electrospray ionization-mass spectrometry (SPE LC). Differences in SMX and CBZ observations between ELISA and both HPLC and SPE LC were analyzed using the Paired Prentice-Wilcoxon test. Estimates of bias and limits of agreement between paired observations also were calculated. The SMX determinations by ELISA yielded results that were 30 and 14% greater than HPLC and SPE LC, respectively. The CBZ determinations by ELISA yielded results that were 25 and 9% greater than HPLC and SPE LC, respectively. The ELISA determinations were in presence-absence agreement with HPLC for 83% of samples for SMX and CBZ; and with SPE LC for 76 and 80% of samples for SMX and CBZ, respectively. Results indicate that ELISA for SMX and CBZ is a reliable and cost effective screening-tool alternative to more commonly used mass spectrometry based analytical methods. PMID- 29202421 TI - Impacts of sea-land and mountain-valley circulations on the air pollution in Beijing-Tianjin-Hebei (BTH): A case study. AB - In the study, observational data analyses and the WRF-CHEM model simulations are used to investigate the role of sea-land and mountain-valley breeze circulations in a severe air pollution event occurred in Beijing-Tianjin-Hebei (BTH) during August 9-10, 2013. Both the wind observations and the model simulations have clearly indicated the evolution of the sea-land and mountain-valley breeze circulations during the event. The WRF-CHEM model generally reproduces the local meteorological circulations and also performs well in simulating temporal variations and spatial distributions of fine particulate matters (PM2.5) and ozone (O3) concentrations compared to observations in BTH. The model results have shown that the offshore land breeze transports the pollutants formed in Shandong province to the Bohai Gulf in the morning, causing the formation of high O3 and PM2.5 concentrations over the gulf. The onshore sea breeze not only causes the formation of a convergence zone to induce upward movement, mitigating the surface pollution to some degree, also recirculates the pollutants over the gulf to deteriorate the air quality in the coastal area. The upward valley breeze brings the pollutants in the urban area of Beijing to the mountain area in the afternoon, and the downward mountain breeze transports the pollutants back during nighttime. The intensity of the mountain-valley breeze circulation is weak compared to the land-sea breeze circulation in BTH. It is worth noting that the local circulations play an important role when the large-scale meteorological conditions are relatively weak. PMID- 29202422 TI - Dependence of samarium-soil interaction on samarium concentration: Implications for environmental risk assessment. AB - The sorption and desorption behaviour of samarium (Sm), an emerging contaminant, was examined in soil samples at varying Sm concentrations. The obtained sorption and desorption parameters revealed that soil possessed a high Sm retention capacity (sorption was higher than 99% and desorption lower than 2%) at low Sm concentrations, whereas at high Sm concentrations, the sorption-desorption behaviour varied among the soil samples tested. The fractionation of the Sm sorbed in soils, obtained by sequential extractions, allowed to suggest the soil properties (pH and organic matter solubility) and phases (organic matter, carbonates and clay minerals) governing the Sm-soil interaction. The sorption models constructed in the present work along with the sorption behaviour of Sm explained in terms of soil main characteristics will allow properly assessing the Sm-soil interaction depending on the contamination scenario under study. Moreover, the sorption and desorption Kd values of radiosamarium in soils were strongly correlated with those of stable Sm at low concentrations (r = 0.98); indicating that the mobility of Sm radioisotopes and, thus, the risk of radioactive Sm contamination can be predicted using data from low concentrations of stable Sm. PMID- 29202423 TI - Suicide and self harm in Nepal: A scoping review. AB - BACKGROUND: Suicide and self harm behavior has become a major public health issue in recent years in Nepal. This small south Asian country was ranked 7th by suicide rate globally by the 2014 World Health Organization report with an estimated 6,840 suicides annually, or 24.9 suicides per 100,000 people. We decided to explore the epidemiology of suicidal behaviour and self harm, modes of attempt, associated risk factors and trends in specific population. METHODOLOGY: Two researchers independently reviewed 47 studies published in the US National Library of Medicine's PubMed electronic Database and Google Scholar till December 2016. Finally, twenty articles meeting the objective were included. This article summarizes findings on epidemiology of suicidal behavior, associated patterns, risk factors and trend in specific population in Nepal. RESULTS: Most of the data available till date are hospital based and either cross-sectional or retrospective. Some of the studies have relied on mortality statistics whereas few have done community based screening. Some of the key findings include higher rate among women and younger age group, a rising trend among specific groups such as marginalized, migrant workers and disaster affected population. The studies also show role of mental illness, predominantly mood disorders and psycho-social factors such as interpersonal or marital conflicts and socio-economic issues in triggering suicide and self harm behavior. CONCLUSION: Overall, the studies provide satisfactory information about the burden of suicide in Nepal. Some of the limitations include discrepancy in suicide reporting, lack of longitudinal follow up and qualitative studies and absence of studies on preventive aspects. Further, more research is warranted in this area not only at the assessment level but also at an intervention level. Several challenges such as poor distribution of mental health resources, social attitude towards mental illness and suicide in particular need to be addressed. PMID- 29202424 TI - Genocide in the Philippines. PMID- 29202425 TI - Association study of methylenetetrahydrofolate reductase genetic polymorphism 677C>T with schizophrenia in hospitalized patients in population of European Russia. AB - The purpose of the research was to investigate the association of methylenetetrahydrofolate reductase (hereinafter MTHFR) genetic polymorphism 677C>T with schizophrenia in the Russian population in comparison with the control group of healthy blood donors. Also some characteristics of schizophrenia were examined in patients with/without defective T-allele of MTHFR677C>T polymorphism. 500 patients with schizophrenia and 499 blood donors were examined for T-allele carriage of polymorphism MTHFR677C>T by PCR method. 150 archival medical records were studied (in the first patients included in the study). The carriage of T-allele of genetic polymorphism MTHFR677C>T was significantly more common in patients than in healthy donors: 255/500 versus 219/499 (p=0,0287, chi2=4,79; OR=1,33, 95%CI [1037; 1707]). The number of patients with chronic type of schizophrenia onset was significantly more among T-allele carriers (n=77) than among normal CC-genotype carriers (n=73): r=0.038. The number of "incapacitated" persons in the group of patients with defective T-allele (n=77) was significantly higher than in patients with normal genotype (n=73, p=0.0439; OR=2.878, 95%CI=1.111-7.456). The results suggest that T-allele of genetic polymorphism MTHFR677C>T in the population of European Russia may increase the risk of developing schizophrenia and its unfavorable prognosis, which requires further investigation. PMID- 29202426 TI - Efficacy and tolerability of long acting injectable antipsychotics (LAI) over oral formulations. PMID- 29202427 TI - Religiosity and religious delusions in schizophrenia - An observational study in a Hindu population. AB - BACKGROUND: Religion exerts a significant effect on the lives of many individuals including people with mental illness. As evidences keep accumulating, role of religion in mental illness is gaining importance. OBJECTIVES: The study was designed to study the effects of religiosity on religious delusions, its presentation, acute course and outcome in schizophrenia. METHOD: The study was a naturalistic observational study. Subjects with schizophrenia were grouped into those with religious (RG) and with non-religious delusions (NG). Their premorbid religiosity was assessed with Brief Multi-dimensional measurement of Religiosity/spirituality (BMMRS) and were rated on Scale for Assessment of Positive Symptoms (SAPS), Brown's Assessment of Belief Scale (BABS) and Positive and Negative Symptom Scale (PANSS) at baseline and 4 weeks. RESULTS: Scores on private religious practices, baseline scores of SAPS, BABS & PANSS and duration of untreated psychosis (DUP) were significantly higher for RG in comparison to NG. On component analysis, higher scores were seen on private praying, watching religious programs on TV, reading religious books and prayers at meals. But no significant correlation was found between the private religious practices and the baseline scores of (DUP), SAPS, BABS, PANSS and outcome measure. Also no significant difference was noted in measures of improvement between groups. CONCLUSION: Private religious practices are more prominent in patients of schizophrenia with religious delusions and this group of patient seems to present with a more severe illness, and a longer duration of untreated psychosis in comparison to those with non-religious delusions. PMID- 29202428 TI - Factors influencing participation of psychiatry inpatients in clinical trials. AB - Serious concerns have arisen in recent years regarding the unethical and illegal practices resorted to during clinical trials. Clinical trials in psychiatry are further complicated by issues such as 'validity of consent' and 'decision making capacity' of patients. This study was planned to explore the factors determining patient participation in clinical trials. A random sample of 123 consenting psychiatry inpatients were provided the information and consent-form of a hypothetical clinical drug trial. They were interviewed regarding their decision, the decision maker and factors that led to the decision. Family members tended to be the decision makers when patients were females, had low-income, were from rural background or had severe illnesses. Anticipated side effects and not wanting to interfere with existing treatment were the common reasons for refusal to participate while hope of betterment of the patient and benefit to humanity were cited for consent. The educated, urban, affluent class had more awareness regarding unethical trials and tended to be mistrustful of the medical community leading to higher rates of non-participation. Those who were adherent with ongoing treatment were also unwilling to participate. The lesser educated, low income patients and rural domicile patients on the other hand had lesser awareness regarding clinical trials, trusted doctors and were more likely to participate. A good doctor-patient relationship, detailed explanations and clarification regarding the study and its conduct, and building awareness regarding clinical trials among vulnerable groups is necessary to ensure a valid consent involving no coercion, removal of prejudices, and ethical conduct of trials. PMID- 29202429 TI - Low back pain and disability in individuals with plantar heel pain. AB - BACKGROUND: Lack of response to plantar heel pain (PHP) treatment may be related to unmanaged low back pain (LBP) and low back dysfunction, but a relationship between LBP and PHP has not been established. The purpose of this investigation was to compare the prevalence of LBP among individuals with and without PHP and to assess the association between low back disability and foot/ankle function. METHODS: A cross-sectional study compared the prevalence and likelihood of LBP in individuals with (n=27) and without (n=27) PHP matched to age, sex, BMI, foot posture, and foot mobility. In individuals with PHP, correlations were examined between foot/ankle function using the foot and ankle ability measure (FAAM), low back disability using the Oswestry low back disability questionnaire (OSW), duration of PHP symptoms, body mass index (BMI), and age. RESULTS: A greater percentage of individuals with PHP had LBP (74% versus 37% of controls, odds ratio=5.2, P=0.009) and higher levels of low back disability (17% higher OSW score than controls, P<0.001). In individuals with PHP, FAAM scores were correlated with OSW scores (rho=-0.463, P=0.015), but not with duration of PHP symptoms, BMI, or age (P>0.150). CONCLUSIONS: Individuals with PHP had a greater prevalence of LBP and higher low back disability that was correlated to reduced foot and ankle function. Treatment to address both local and proximal impairments, including impairments related to LBP, may be warranted to improve the management of PHP. PMID- 29202430 TI - A retrospective audit of lesion excision and rotation skin flap for the treatment of intractable plantar keratosis. AB - AIM: The purpose of this study was to evaluate the treatment of plantar skin lesions by excision and rotation skin flap closure with reference to patient satisfaction; patient reported outcomes and complication rates. METHOD: A retrospective audit of 54 consecutive patients who had undergone plantar lesion excision with rotation skin flap between May 2011 and November 2015 under the care of experienced consultant podiatric surgeons. A total of 36 patients were included in this study, 16 were lost to follow up, 2 patients were excluded due to non-related pathology. Outcomes were reviewed retrospectively via data extracted from PASCOM-10. This included the MOXFQ and also the PSQ-10 patient satisfaction questionnaire. Data extracted was analysed. RESULTS: The mean MOXFQ scores improved across the three domains. Walking/standing improved from 68.75 (SD: 17.62) pre-operative to 41.38 (SD: 32.94) post-operative. Pain improved from 63.47 (SD: 19.41) pre-operative to 36.53 (SD: 25.51) post-operative and social interaction improved from 53.88 (SD: 20.33) pre-operative to 29.13 (SD: 26.56) post-operative. Similarly, the PSQ-10 scores have shown positive outcomes where 88.9% out of the cohort felt that their aims of surgery had been met. CONCLUSION: This audit has demonstrated that the Schrudde flap is an effective and alternative safe surgical procedure for the treatment of intractable plantar keratosis and viral warts. PMID- 29202431 TI - Triple negative breast cancer: Emerging therapeutic modalities and novel combination therapies. AB - Triple negative breast cancer (TNBC) is a complex and aggressive subtype of breast cancer which lacks oestrogen receptors, progesterone receptors and HER2 amplification, thereby making it difficult to target therapeutically. In addition, TNBC has the highest rates of metastatic disease and the poorest overall survival of all breast cancer subtypes. Resultantly, development of targeted therapies for TNBC is urgently needed. Recent efforts aimed at molecular characterisation of TNBCs have revealed various emerging therapeutic targets including PARP1, receptor and non-receptor tyrosine kinases, immune-checkpoints, androgen receptor and epigenetic proteins. Key successes include that of the PARP inhibitor, olaparib, which prolonged progression-free survival in a trial of BRCA mutated breast cancer and for which clinical approval (in this setting) appears imminent. Nevertheless, the heterogeneity of TNBC has limited the clinical benefits of many trialled therapies in 'unselected' patients. Further, drug resistance develops following use of many targeted monotherapies due to upregulation of compensatory signalling pathways. In this review, we evaluate the current status of investigational targeted treatments and present evidence for the role of novel biomarkers and combination therapies in increasing response rates and circumventing drug-induced resistance. Additionally, we discuss promising novel targets in metastatic TNBC identified through preclinical and/or epidemiological studies. PMID- 29202432 TI - Validation of the Prognosis for Prolonged Ventilation (ProVent) score in patients receiving 14days of mechanical ventilation. AB - PURPOSE: To evaluate the performance of the Prognosis for Prolonged Ventilation (ProVent) 14 score in patients requiring prolonged mechanical ventilation (PMV). MATERIALS AND METHODS: Data were obtained from 366 patients receiving at least 14days of MV between January 2011 and December 2015 at a university-affiliated tertiary care hospital in Korea. ProVent 14 scores were assessed using the six standard variables. Model discrimination was assessed with the area under the receiver operating characteristic curve. Kaplan-Meier estimates were stratified according to the ProVent 14 score to predict 1-year survival. RESULTS: The median age of the study group was 62years (range, 50-72years); 65% were male, and medical patients comprised 66% of the group. Overall mortality at 1year was 43%. For ProVent 14 scores ranging from 0 to >=4, 1-year mortality rates were 7%, 22%, 41%, 52%, and 75%, respectively (log-rank test, P<0.001). The area under the receiver operating characteristic curve of the ProVent 14 score predicting 1-year mortality was 0.74 (95% confidence interval, 0.69-0.78). CONCLUSIONS: The ProVent 14 score accurately identified patients receiving PMV with a high 1-year mortality risk. Further validation in a larger sample is required. PMID- 29202433 TI - Exploring local people's views on the livelihood impacts of privately versus community managed conservation strategies in the Ruvuma landscape of North Mozambique-South Tanzania. AB - It is broadly acknowledged that natural resources conservation strategies affect the livelihoods of local communities. Moreover, evidence suggests that these livelihood impacts, in turn, can influence conservation achievements. Yet, what constitutes a conservation strategy that communities perceive as acceptable and thus they would be willing to commit to over time remains poorly understood. This study explores the perceptions of communities regarding the effects of two different conservation strategies in the Ruvuma landscape: governmental land concessions and licenses to private tourist operators in North Mozambique, versus community-managed protected areas supported by NGOs in South Tanzania. The study engages communities in a series of semi-structured discussions about natural resource use, impact of the conservation strategies on their livelihoods, pressures on natural resources, and ways to address such pressures and reach an acceptable conservation strategy, from a community perspective. Our findings suggest that communities perceive as non-affordable current opportunity and damage costs in subsistence agriculture. A strategy integrating improved agricultural production, common use of the forest managed by communities, and joint ventures between communities and private companies for getting more benefits from trophy hunting are identified as acceptable. PMID- 29202434 TI - Cypermethrin induced toxicities in fish and adverse health outcomes: Its prevention and control measure adaptation. AB - Pesticides are being widely employed in the modern agriculture, though in different quantities, across the globe. Although it is useful for crops yield enhancement, however, there are the serious environment, health and safety related concerns for aquatic and terrestrial living biomes that include humans, animals, and plants. Various in practice and emerging pesticides adversely affect the survival, development and biological systems stability. Several research efforts have been made to highlight the bio-safety and toxicological features of toxicants through risk assessment studies using different animal models, e.g., different fish species. Among several pesticides, cypermethrin is extensively used in agriculture and households, and the reported concentrations of this pesticide in different water bodies including rivers and streams, soil and even in rainwater are threatening. Consequently, cypermethrin is considered for risk assessment studies to know about its deep and different level of toxicological effects subject to its dose, exposure time and route. The cypermethrin existence/persistence in the environment is posing a severe threat to humans as well as another non-target terrestrial and aquatic organism. Herein, the toxic effects of pesticides, with special reference to cypermethrin, on fish, the mode of toxicity, concerns regarding public health and harmful impacts on human beings are comprehensively reviewed. The information is also given on their appropriate control and prevention strategies. PMID- 29202435 TI - Surface modification of polymeric foams for oil spills remediation. AB - In the last decade, a continuous increasing research activity is focused on the surface functionalization of polymeric porous materials for the efficient removal of oil contaminants from water. This work reviews the most significant recent studies on the functionalization of polyurethane and melamine foams, materials commonly reported for oil-water separation applications. After the identification of the key features of the foams required to optimize their oil removal performance, a wide variety of physicochemical treatments are described together with their effect on the oil absorption selectivity and oil absorption capacity, both critical parameters for the application of the foams in the remediation of oil spills. The efficiencies of the different functionalization processes on the same type of foams are compared, determining the main advantages and potentialities of each treatment and remediation procedure. PMID- 29202436 TI - Visual detection of cyanide ions by membrane-based nanozyme assay. AB - In this paper, we report a simple one-step synthesis of well-dispersed amorphous cobalt hydroxide/oxide-modified graphene oxide (CoOxH-GO) possessing peroxidase like catalytic activity, and its application for the detection of H2O2, glucose, and CN- ions. CoOxH is formed and deposited in situ on the GO surface through the reaction between GO (size ~ 240nm) and Co2+ in basic solution at room temperature. We investigated the enzyme-mimicking activity of the CoOxH-GO nanohybrid in detail via the H2O2-mediated oxidation of Amplex Red (AR) to form fluorescent resorufin. The peroxidase-like activity of CoOxH-GO is utilized herein for the quantitation of H2O2 in a wide concentration range, from 100nM to 100MUM. When coupled with glucose oxidase (GOD), the AR/CoOxH-GO system can determine glucose level in blood samples. Interestingly, cyanide ions (CN-) significantly inhibit the catalytic activity of the CoOxH-GO nanohybrid, which allows for the construction of a probe for the detection of CN- in water samples and laboratory wastes. We fabricated a membrane-based CoOxH-GO probe for the visual detection of CN- by preparing a thin film of CoOxH-GO on a positively charged and porous nylon membrane (N+M). The CoOxH-GO/N+M operates on the principle that CN- inhibits the catalytic activity of CoOxH-GO towards the H2O2 mediated oxidation of AR to form reddish resorufin on the membrane. The intensity of the red color of the membrane decreases with increasing CN- concentration, which can be easily observed with the naked eye at the nanomolar level. This cost effective sensing system allows for the rapid and simple determination of the concentrations of CN- in complicated wastewater samples. PMID- 29202437 TI - Converting pyrophosphate generated during loop mediated isothermal amplification to ATP: Application to electrochemical detection of Nosema bombycis genomic DNA PTP1. AB - Traditionally, genomic DNA detection is relay on a rigorous DNA amplification process, which always accompanied with complicated gel electrophoresis or expensive fluorescence detection methods. In this work, we have translated genomic DNA detection into adenosine triphosphate (ATP) test based on a split aptamer-based electrochemical sandwich assay. The key characteristic of our method are list as follows: first, nucleic acid amplification of the target gene was performed by the use of a loop mediated isothermal amplification (LAMP) process. The pyrophosphate (PPi), which released as the byproduct during the LAMP reaction, were further converted into ATP in the presence of adenosine 5' phosphosulfate (APS) and ATP sulfurylase. Thereafter, the converted ATP was detected by constructing an electrochemical sandwich aptasensor. With such design, the conversion from the difficult detecting target (genomic DNA) into a convenient measured object (ATP) has been achieved. This proposed strategy was highly sensitive for Nosema bombycis genomic DNA PTP1 detection with a detection limit as low as 0.47 fg/MUL and a linear range from 0.001pg/MUL to 50ng/MUL. And we supposed that this novel target conversion electroanalytical strategy established a universal approach for quantitative analysis of any other kinds of nucleic acid in assistance of nucleic acid polymerization reaction. PMID- 29202438 TI - Spatial-resolved dual-signal-output electrochemiluminescent ratiometric strategy for accurate and sensitive immunoassay. AB - The identification of tumor markers is of great importance for clinical diagnosis but accurate detection with high sensitivity is still a great challenge. In present work, a spatial-resolved dual-signal-output electrochemiluminescent (ECL) ratiometric assay platform was constructed for sensitive detection of prostate specific antigen (PSA) on a dual-disk glassy carbon electrode. To fabricate the platform, flower-like CdS three-dimensional (3D) assemblies and Ru(bpy)32+ conjugated silica nanoparticles (Ru(bpy)32+@RuSi NPs), were immobilized onto the two disks as cathodic and anodic ECL emitters, respectively. After the stepwise modification of the gold nanoparticles, antibody for PSA, and bovine serum albumin onto the two disks respectively, the Ru(bpy)32+@RuSi NPs-based disk were incubated with varied concentration of PSA as working electrode, whereas the flower-like CdS 3D assemblies-based disk with fixed concentration of PSA were taken as internal reference electrode. The label free assay of PSA was realized by the ratio of anodic ECL signal from working electrode to the cathodic ECL signal from the internal reference electrode (ECLanode/ECLcathode). On the basis of the spatial-resolved dual-signal-output ratiometric ECL sensor, the PSA can be detected accurately with a linear range of 0.001 - 50ng/mL at a concentration as low as 0.34pg/mL. Furthermore, the proposed method was applied for PSA determination in human serum samples with satisfying results. Thanks to the same modified process of the two disks, this universal design well avoids environmental errors including the interference caused in the biological recognition process, which effectively reduces the false positive or negative errors, exhibiting a greatly improved accuracy, reliability and sensitivity. PMID- 29202439 TI - Assessment of mefenamic acid polymorphs in commercial tablets using chemometric coupled to MIR and NIR spectroscopies. Prediction of dissolution performance. AB - Mefenamic Acid (MFA) is a widely-used non-steroidal anti-inflammatory drug. MFA presents four possible crystal forms; Form I and Form II being the only two pure crystals that have been isolated and fully characterized. Both Form I and Form II were prepared following the literature and completely characterized by middle (MIR) and near (NIR) infrared spectroscopy, digital optical microscopy, differential scanning calorimetry, melting point and dissolution properties. In order to develop quantitative models to assess Form I in formulated products, two sets of samples, training (n=10) and validation (n=8) sets, were prepared by mixing both polymorphs and the matrix of excipient (simulating commercial tablets). The particle size of the samples was homogenized by sieving and samples were mechanically mixed. A batch of commercial tablets was gently disaggregated, sieved and mechanically mixed for further analysis. For each sample, full MIR and NIR spectra were acquired and used as input of partial least squares (PLS) algorithm separately. Method optimization and internal validation were performed by leave one out procedure. Full spectra and 5 PLS-factors were used for MIR; while, 5 PLS-factors and mean center spectra of full spectra were the optimal conditions for NIR. Accuracy and precision were assessed by evaluation of the actual vs. predicted curve of validation set; and by calculating validation set recoveries and deviations (104.3+/-8.2% and 100.4+/-1.0% for MIR and NIR respectively). Only NIR-PLS yielded acceptable results and low deviations during commercial samples evaluation (102.8+/-0.1%). The same behavior was observed when spiked tablets were analyzed (103.5+/-0.5%). Additionally, for the calibration set ten dissolution profiles (average of 6 curves each), were obtained under optimized test conditions (900 ml of buffer phosphate pH 9 with surfactant, apparatus II USP, 100rpm, detection at 342nm). A multiple linear regression (MLR) was carried out using dissolution profiles and Form I content. The developed MLR model could correlate dissolution profiles and polymorphic richness. This approach, coupled to previously developed NIR-PLS, may act as a valid tool to estimate dissolution profiles from solid forms. PMID- 29202440 TI - Mixture design applied in compatibility studies of catechin and lipid compounds. AB - The aim of this work was to evaluate the compatibility of (+)-catechin (CA) and excipients commonly used to prepare micro and nanoemulsions using thermal analysis along with complementary assays. Lipid compounds labrasol, plurol and ethyl oleate were combined with CA according to a simplex centroid mixture design and possible interactions between them were determined. Differential scanning calorimetry and thermogravimetric analyses were carried out together with Fourier transform infrared spectroscopy (FTIR) and morphologic characterization of the samples. A quantitative evaluation of thermal events involved in CA melting peak and initial sample decomposition temperature were performed. FTIR evaluation suggested an initial decomposition of CA mixtures exposed to a thermal aging depending on their composition corroborated by the darkening of these samples. The multiple regression analysis considering the thermal data revealed a thermal interaction compromising CA stability in multicomponent samples. Mixtures containing ethyl oleate exhibited a negative synergic action of this fatty acid with the others two lipid compounds (negative coefficients for two-factor and three-factor interaction terms). Indeed, samples decomposition was anticipated by at least 10 degrees C in the case of ternary and quaternary mixtures containing ethyl oleate. In conclusion, CA formulations produced with lipid components must have their stability closely monitored and production process involving heating should be avoided, especially in formulations containing ethyl oleate. PMID- 29202441 TI - Income, egalitarianism and attitudes towards healthcare policy: a study on public attitudes in 29 countries. AB - OBJECTIVES: To evaluate the relationship between income and egalitarian values and attitudes towards healthcare policy. STUDY DESIGN: Cross-sectional and cross national study. METHODS: Data for 29 countries from the International Social Survey Programme (ISSP) 2011 were used. The dependent variables are a general attitude towards government involvement in healthcare provision and two attitudes regarding specific policies (taxes and public funding). Income and egalitarianism were also measured by using ISSP. Data were analysed using regression models that account for individual and country-level characteristics, and country-fixed effects. RESULTS: The effect of income is small and non-significant for attitudes towards government involvement and public funding. For willingness to pay (WTP) taxes to improve healthcare services, we find a positive association with income. Results for egalitarianism suggest a positive association with government involvement in healthcare provision and significant interactions with WTP taxes. CONCLUSIONS: The distinction of dimensions and mechanisms underlying policy attitudes appears as relevant. Citizens across socioeconomic groups are motivated to support state-funded healthcare, favouring the design of non-selfish policies. These findings suggest that there is space for policymakers who seek to increase healthcare spending encouraging either policies for specific groups or broader institutional changes. PMID- 29202442 TI - Molecular simulations of the ribosome and associated translation factors. AB - The ribosome is a macromolecular complex which is responsible for protein synthesis in all living cells according to their transcribed genetic information. Using X-ray crystallography and, more recently, cryo-electron microscopy (cryo EM), the structure of the ribosome was resolved at atomic resolution in many functional and conformational states. Molecular dynamics simulations have added information on dynamics and energetics to the available structural information, thereby have bridged the gap to the kinetics obtained from single-molecule and bulk experiments. Here, we review recent computational studies that brought notable insights into ribosomal structure and function. PMID- 29202443 TI - Associations of mindful eating domains with depressive symptoms and depression in three European countries. AB - OBJECTIVE: To examine associations of mindful eating domains with depressive symptoms and depression in three European countries. Moderation by change in appetite-with increased appetite as marker for depression with atypical features was also tested. METHODS: Data were collected in Denmark (n = 1522), Spain (n = 1512) and the Netherlands (n = 1439). Multiple linear and logistic regression analyses segregated by country were used to test associations of four mindful eating domains (Mindful Eating Behaviour Scale; MEBS) with depressive symptoms (continuous score on the Center for Epidemiologic Studies Depression Scale; CES D) and depression (score above the CES-D cut-off value, and/or use of antidepressants, and/or psychological treatment). Moderation by change in appetite was tested with bias-corrected bootstrap confidence intervals. RESULTS: The domains Focused Eating, Eating with Awareness and Eating without Distraction were significantly negatively associated with depressive symptoms and depression in all three countries (e.g. Focused Eating Denmark: B = - 0.71, 95% CI: - 0.87, 0.54; OR = 0.89, 95% CI: 0.86, 0.93). The domain Hunger and Satiety Cues (only measured in the Netherlands) was significantly positively associated with depressive symptoms in the adjusted models (B = 0.09, 95% CI: 0.02, 0.16), but not with depression (OR = 1.02, 95% CI: 0.98, 1.05). These associations were found for both people with and without increased appetite. LIMITATIONS: The cross sectional design, which makes it impossible to draw causal conclusions. CONCLUSIONS: The present study indicates that higher scores on three mindful eating domains are consistently associated with a lower level of depressive symptoms and a lower likelihood of having depression in three European countries. PMID- 29202444 TI - Evaluation of the Hospital Anxiety and Depression Scale (HADS) in screening stroke patients for symptoms: Item Response Theory (IRT) analysis. AB - BACKGROUND: Variations have been reported in the number of underlying constructs and choice of thresholds that determine caseness of anxiety and /or depression using the Hospital Anxiety and Depression scale (HADS). This study examined the properties of each item of HADS as perceived by stroke patients, and assessed the information these items convey about anxiety and depression between 3 months to 5 years after stroke. METHODS: The study included 1443 stroke patients from the South London Stroke Register (SLSR). The dimensionality of HADS was examined using factor analysis methods, and items' properties up to 5 years after stroke were tested using Item Response Theory (IRT) methods, including graded response models (GRMs). RESULTS: The presence of two dimensions of HADS (anxiety and depression) for stroke patients was confirmed. Items that accurately inferred about the severity of anxiety and depression, and offered good discrimination of caseness were identified as "I can laugh and see the funny side of things" (Q4) and "I get sudden feelings of panic" (Q13), discrimination 2.44 (se = 0.26), and 3.34 (se = 0.35), respectively. Items that shared properties, hence replicate inference were: "I get a sort of frightened feeling as if something awful is about to happen" (Q3), "I get a sort of frightened feeling like butterflies in my stomach" (Q6), and "Worrying thoughts go through my mind" (Q9). Item properties were maintained over time. LIMITATIONS: Approximately 20% of patients were lost to follow up. CONCLUSION: A more concise selection of items based on their properties, would provide a precise approach for screening patients and for an optimal allocation of patients into clinical trials. PMID- 29202446 TI - Do employers reward physical attractiveness in transition countries? AB - This paper studies the labour market returns to physical attractiveness using data from three transition countries of the Caucasus: Armenia, Azerbaijan and Georgia. I estimate a large positive effect of attractive looks on males' probability of employment. Results from the most comprehensive model suggest a marginal effect of 11.1 percentage points. Using a partial identification approach, I show that this relationship is likely to be causal. After accounting for covariates, particularly measures of human capital, there is no evidence for a statistically significant link between females' attractiveness and employment. PMID- 29202445 TI - Balancing the benefits and harms of thyroid cancer surveillance in survivors of Childhood, adolescent and young adult cancer: Recommendations from the international Late Effects of Childhood Cancer Guideline Harmonization Group in collaboration with the PanCareSurFup Consortium. AB - Radiation exposure to the thyroid gland during treatment of childhood, adolescent and young adult cancer (CAYAC) may cause differentiated thyroid cancer (DTC). Surveillance recommendations for DTC vary considerably, causing uncertainty about optimum screening practices. The International Late Effects of Childhood Cancer Guideline Harmonization Group, in collaboration with the PanCareSurFup Consortium, developed consensus recommendations for thyroid cancer surveillance in CAYAC survivors. These recommendations were developed by an international multidisciplinary panel that included 33 experts in relevant medical specialties who used a consistent and transparent process. Recommendations were graded according to the strength of underlying evidence and potential benefit gained by early detection and appropriate management. Of the two available surveillance strategies, thyroid ultrasound and neck palpation, neither was shown to be superior. Consequently, a decision aid was formulated to guide the health care provider in counseling the survivor. The recommendations highlight the need for shared decision making regarding whether to undergo surveillance for DTC and in the choice of surveillance modality. PMID- 29202447 TI - Bone-forming peptide-3 induces osteogenic differentiation of bone marrow stromal cells via regulation of the ERK1/2 and Smad1/5/8 pathways. AB - A bone-remodeling imbalance induced by increased bone resorption and osteoclast formation causes skeletal diseases such as osteoporosis. Induction of osteogenic differentiation of bone marrow stromal cells (BMSCs) leads to bone regeneration. Many researchers have tried to develop new adjuvants as specific stimulators of bone regeneration for therapeutic use in patients with bone resorption. We tried to develop a new adjuvant that has stronger osteogenic differentiation-promoting activity than bone morphogenetic proteins (BMPs). In this study, we identified a new peptide, which we called bone-forming peptide (BFP)-3, derived from the immature precursor of BMP-7. Upon osteogenic differentiation, BMSCs treated with BFP-3 exhibited higher alkaline phosphatase (ALP) activity and mineralization ability and significantly up-regulated expression of osteogenic genes such as ALP, osteocalcin (OC), Osterix, and Runx2 compared with control BMSCs. Furthermore, fluorescence-activated cell sorting (FACS) and immunofluorescence analyses demonstrated that BFP-3 treatment up-regulated CD44 expression. Interestingly, extracellular signal-regulated kinase 1/2 (ERK1/2) and Smad1/5/8 phosphorylation was increased by BFP-3 treatment during osteogenic differentiation. Furthermore, BFP-3-induced osteogenic differentiation was significantly decreased by treatment with ERK1/2- and Smad-specific inhibitors. These results suggest that BFP-3 plays an important role in regulating osteogenic differentiation of BMSCs through increasing levels of osteogenic-inducing factors and regulating the ERK1/2 and Smad1/5/8 signaling pathways. Our finding indicates that BFP-3 may be a potential new therapeutic target for promoting bone formation. PMID- 29202448 TI - CD11c+ resident macrophages drive hepatocyte death-triggered liver fibrosis in a murine model of nonalcoholic steatohepatitis. AB - Although recent evidence has pointed to the role of organ- and pathogenesis specific macrophage subsets, it is still unclear which subsets are critically involved in the pathogenesis of nonalcoholic steatohepatitis (NASH). Using melanocortin-4 receptor-deficient (MC4R-KO) mice fed Western diet (WD), which exhibit liver phenotypes similar to those of human NASH, we found a histological structure, termed hepatic crown-like structure (hCLS), in which CD11c+ macrophages surround dead/dying hepatocytes, a prominent feature of NASH. Here, we demonstrate that hCLS-constituting macrophages could be a novel macrophage subset that drives hepatocyte death-triggered liver fibrosis. In an "inducible NASH model," hepatocyte death induces hCLS formation and liver fibrosis sequentially in the short term. In combination with the long-term WD feeding model, we also showed that resident macrophages are a major cellular source of CD11c+ macrophages constituting hCLS, which exhibited gene expression profiles distinct from CD11c- macrophages scattered in the liver. Moreover, depletion of CD11c+ macrophages abolished hCLS formation and fibrogenesis in NASH. Our clinical data suggest the role of CD11c+ macrophages in the disease progression from simple steatosis to NASH. This study sheds light on the role of resident macrophages, in addition to recruited macrophages, in the pathogenesis of NASH. PMID- 29202449 TI - Clonal relationships of CSF B cells in treatment-naive multiple sclerosis patients. AB - A role of B cells in multiple sclerosis (MS) is well established, but there is limited understanding of their involvement during active disease. Here, we examined cerebrospinal fluid (CSF) and peripheral blood (PB) B cells in treatment naive patients with MS or high-risk clinically isolated syndrome. Using flow cytometry, we found increased CSF lymphocytes with a disproportionate increase of B cells compared with T cells in patients with gadolinium-enhancing (Gd+) lesions on brain MRI. Ig gene heavy chain variable region (Ig-VH) repertoire sequencing of CSF and PB B cells revealed clonal relationships between intrathecal and peripheral B cell populations, which could be consistent with migration of B cells to and activation in the CNS in active MS. In addition, we found evidence for bystander immigration of B cells from the periphery, which could be supported by a CXCL13 gradient between CSF and blood. Understanding what triggers B cells to migrate and home to the CNS may ultimately aid in the rational selection of therapeutic strategies to limit progression in MS. PMID- 29202450 TI - Angiotensin-converting enzyme defines matrikine-regulated inflammation and fibrosis. AB - The neutrophil chemoattractant proline-glycine-proline (PGP) is generated from collagen by matrix metalloproteinase-8/9 (MMP-8/9) and prolyl endopeptidase (PE), and it is concomitantly degraded by extracellular leukotriene A4 hydrolase (LTA4H) to limit neutrophilia. Components of cigarette smoke can acetylate PGP, yielding a species (AcPGP) that is resistant to LTA4H-mediated degradation and can, thus, support a sustained neutrophilia. In this study, we sought to elucidate if an antiinflammatory system existed to degrade AcPGP that is analogous to the PGP-LTA4H axis. We demonstrate that AcPGP is degraded through a previously unidentified action of the enzyme angiotensin-converting enzyme (ACE). Pulmonary ACE is elevated during episodes of acute inflammation, as a consequence of enhanced vascular permeability, to ensure the efficient degradation of AcPGP. Conversely, we suggest that this pathway is aberrant in chronic obstructive pulmonary disease (COPD) enabling the accumulation of AcPGP. Consequently, we identify a potentially novel protective role for AcPGP in limiting pulmonary fibrosis and suggest the pathogenic function attributed to ACE in idiopathic pulmonary fibrosis (IPF) to be a consequence of overzealous AcPGP degradation. Thus, AcPGP seemingly has very divergent roles: it is pathogenic in its capacity to drive neutrophilic inflammation and matrix degradation in the context of COPD, but it is protective in its capacity to limit fibrosis in IPF. PMID- 29202451 TI - Akt3 inhibits adipogenesis and protects from diet-induced obesity via WNK1/SGK1 signaling AB - Three Akt isoforms, encoded by 3 separate genes, are expressed in mammals. While the roles of Akt1 and Akt2 in metabolism are well established, it is not yet known whether Akt3 plays a role in metabolic diseases. We now report that Akt3 protects mice from high-fat diet-induced obesity by suppressing an alternative pathway of adipogenesis via with no lysine protein kinase-1 (WNK1) and serum/glucocorticoid-inducible kinase 1 (SGK1). We demonstrate that Akt3 specifically phosphorylates WNK1 at T58 and promotes its degradation via the ubiquitin-proteasome pathway. A lack of Akt3 in adipocytes increases the WNK1 protein level, leading to activation of SGK1. SGK1, in turn, promotes adipogenesis by phosphorylating and inhibiting transcription factor FOXO1 and, subsequently, activating the transcription of PPARgamma in adipocytes. Akt3 deficient mice have an increased number of adipocytes and, when fed a high-fat diet, display increased weight gain, white adipose tissue expansion, and impaired glucose homeostasis. Pharmacological blockade of SGK1 in high-fat diet-fed Akt3 deficient mice suppressed adipogenesis, prevented excessive weight gain and adiposity, and ameliorated metabolic parameters. Thus, Akt3/WNK1/SGK1 represents a potentially novel signaling pathway controlling the development of obesity. PMID- 29202452 TI - Systemic inflammation is associated with exaggerated skeletal muscle protein catabolism in maintenance hemodialysis patients. AB - BACKGROUND: Systemic inflammation and muscle wasting are highly prevalent and coexist in patients on maintenance hemodialysis (MHD). We aimed to determine the effects of systemic inflammation on skeletal muscle protein metabolism in MHD patients. METHODS: Whole body and skeletal muscle protein turnover were assessed by stable isotope kinetic studies. We incorporated expressions of E1, E214K, E3alphaI, E3alphaII, MuRF-1, and atrogin-1 in skeletal muscle tissue from integrin beta1 gene KO CKD mice models. RESULTS: Among 129 patients with mean (+/ SD) age 47 +/- 12 years, 74% were African American, 73% were male, and 22% had diabetes mellitus. Median high-sensitivity C-reactive protein (hs-CRP) concentration was 13 (interquartile range 0.8, 33) mg/l. There were statistically significant associations between hs-CRP and forearm skeletal muscle protein synthesis, degradation, and net forearm skeletal muscle protein balance (P < 0.001 for all). The associations remained statistically significant after adjustment for clinical and demographic confounders, as well as in sensitivity analysis, excluding patients with diabetes mellitus. In attempting to identify potential mechanisms involved in this correlation, we show increased expressions of E1, E214K, E3alphaI, E3alphaII, MuRF-1, and atrogin-1 in skeletal muscle tissue obtained from an animal model of chronic kidney disease. CONCLUSION: These data suggest that systemic inflammation is a strong and independent determinant of skeletal muscle protein homeostasis in MHD patients, providing rationale for further studies using anticytokine therapies in patients with underlying systemic inflammation. FUNDING: This study was in part supported by NIH grants R01 DK45604 and 1K24 DK62849, the Clinical Translational Science Award UL1-TR000445 from the National Center for Advancing Translational Sciences, the Veterans Administration Merit Award I01 CX000414, the SatelliteHealth Normon Coplon Extramural Grant Program, and the FDA grant 000943. PMID- 29202453 TI - Increased Ca2+ signaling through CaV1.2 promotes bone formation and prevents estrogen deficiency-induced bone loss. AB - While the prevalence of osteoporosis is growing rapidly with population aging, therapeutic options remain limited. Here, we identify potentially novel roles for CaV1.2 L-type voltage-gated Ca2+ channels in osteogenesis and exploit a transgenic gain-of-function mutant CaV1.2 to stem bone loss in ovariectomized female mice. We show that endogenous CaV1.2 is expressed in developing bone within proliferating chondrocytes and osteoblasts. Using primary BM stromal cell (BMSC) cultures, we found that Ca2+ influx through CaV1.2 activates osteogenic transcriptional programs and promotes mineralization. We used Prx1-, Col2a1-, or Col1a1-Cre drivers to express an inactivation-deficient CaV1.2 mutant in chondrogenic and/or osteogenic precursors in vivo and found that the resulting increased Ca2+ influx markedly thickened bone not only by promoting osteogenesis, but also by inhibiting osteoclast activity through increased osteoprotegerin secretion from osteoblasts. Activating the CaV1.2 mutant in osteoblasts at the time of ovariectomy stemmed bone loss. Together, these data highlight roles for CaV1.2 in bone and demonstrate the potential dual anabolic and anticatabolic therapeutic actions of tissue-specific CaV1.2 activation in osteoblasts. PMID- 29202454 TI - Fentanyl-related designer drugs W-18 and W-15 lack appreciable opioid activity in vitro and in vivo. AB - W-18 (4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]-2-piperidinylidene] benzenesulfonamide) and W-15 (4-chloro-N-[1-(2-phenylethyl)-2-piperidinylidene] benzenesulfonamide) represent two emerging drugs of abuse chemically related to the potent opioid agonist fentanyl (N-(1-(2-phenylethyl)-4-piperidinyl)-N phenylpropanamide). Here, we describe the comprehensive pharmacological profiles of W-18 and W-15, as examination of their structural features predicted that they might lack opioid activity. We found W-18 and W-15 to be without detectible activity at MU, delta, kappa, and nociception opioid receptors in a variety of assays. We also tested W-18 and W-15 for activity as allosteric modulators at opioid receptors and found them devoid of significant positive or negative allosteric modulatory activity. Comprehensive profiling at essentially all the druggable GPCRs in the human genome using the PRESTO-Tango platform revealed no significant activity. Weak activity at the sigma receptors and the peripheral benzodiazepine receptor was found for W-18 (Ki = 271 nM). W-18 showed no activity in either the radiant heat tail-flick or the writhing assays and also did not induce classical opioid behaviors. W-18 is extensively metabolized, but its metabolites also lack opioid activity. Thus, although W-18 and W-15 have been suggested to be potent opioid agonists, our results reveal no significant activity at these or other known targets for psychoactive drugs. PMID- 29202455 TI - A simple, clinically relevant therapeutic vaccine shows long-term protection in an aggressive, delayed-treatment B lymphoma model. AB - Despite initial remission after successful treatments, B lymphoma patients often encounter relapses and resistance causing high mortality. Thus, there is a need to develop therapies that prevent relapse by providing long-term protection and, ultimately, lead to functional cure. In this study, our goal was to develop a simple, clinically relevant, and easily translatable therapeutic vaccine that provides durable immune protection against aggressive B cell lymphoma and identify critical immune biomarkers that are predictive of long-term survival. In a delayed-treatment, aggressive, murine model of A20 B lymphoma that mimics human diffuse large B cell lymphoma, we show that therapeutic A20 lysate vaccine adjuvanted with an NKT cell agonist, alpha-galactosylceramide (alpha-GalCer), provides long-term immune protection against lethal tumor challenges and the antitumor immunity is primarily CD8 T cell dependent. Using experimental and computational methods, we demonstrate that the initial strength of germinal center reaction and the magnitude of class-switching into a Th1 type humoral response are the best predictors for the long-term immunity of B lymphoma lysate vaccine. Our results not only provide fundamentally insights for successful immunotherapy and long-term protection against B lymphomas, but also present a simple, therapeutic vaccine that can be translated easily due to the facile and inexpensive method of preparation. PMID- 29202456 TI - Neuroleptics as therapeutic compounds stabilizing neuromuscular transmission in amyotrophic lateral sclerosis. AB - Amyotrophic lateral sclerosis (ALS) is a rapidly progressing, fatal disorder with no effective treatment. We used simple genetic models of ALS to screen phenotypically for potential therapeutic compounds. We screened libraries of compounds in C. elegans, validated hits in zebrafish, and tested the most potent molecule in mice and in a small clinical trial. We identified a class of neuroleptics that restored motility in C. elegans and in zebrafish, and the most potent was pimozide, which blocked T-type Ca2+ channels in these simple models and stabilized neuromuscular transmission in zebrafish and enhanced it in mice. Finally, a short randomized controlled trial of sporadic ALS subjects demonstrated stabilization of motility and evidence of target engagement at the neuromuscular junction. Simple genetic models are, thus, useful in identifying promising compounds for the treatment of ALS, such as neuroleptics, which may stabilize neuromuscular transmission and prolong survival in this disease. PMID- 29202457 TI - Recapitulation of developmental mechanisms to revascularize the ischemic heart. AB - Restoring blood flow after myocardial infarction (MI) is essential for survival of existing and newly regenerated tissue. Endogenous vascular repair processes are deployed following injury but are poorly understood. We sought to determine whether developmental mechanisms of coronary vessel formation are intrinsically reactivated in the adult mouse after MI. Using pulse-chase genetic lineage tracing, we establish that de novo vessel formation constitutes a substantial component of the neovascular response, with apparent cellular contributions from the endocardium and coronary sinus. The adult heart reverts to its former hypertrabeculated state and repeats the process of compaction, which may facilitate endocardium-derived neovascularization. The capacity for angiogenic sprouting of the coronary sinus vein, the adult derivative of the sinus venosus, may also reflect its embryonic origin. The quiescent epicardium is reactivated and, while direct cellular contribution to new vessels is minimal, it supports the directional expansion of the neovessel network toward the infarcted myocardium. Thymosin beta4, a peptide with roles in vascular development, was required for endocardial compaction, epicardial vessel expansion, and smooth muscle cell recruitment. Insight into pathways that regulate endogenous vascular repair, drawing on comparisons with development, may reveal novel targets for therapeutically enhancing neovascularization. PMID- 29202458 TI - Integrating light-sheet imaging with virtual reality to recapitulate developmental cardiac mechanics. AB - Currently, there is a limited ability to interactively study developmental cardiac mechanics and physiology. We therefore combined light-sheet fluorescence microscopy (LSFM) with virtual reality (VR) to provide a hybrid platform for 3D architecture and time-dependent cardiac contractile function characterization. By taking advantage of the rapid acquisition, high axial resolution, low phototoxicity, and high fidelity in 3D and 4D (3D spatial + 1D time or spectra), this VR-LSFM hybrid methodology enables interactive visualization and quantification otherwise not available by conventional methods, such as routine optical microscopes. We hereby demonstrate multiscale applicability of VR-LSFM to (a) interrogate skin fibroblasts interacting with a hyaluronic acid-based hydrogel, (b) navigate through the endocardial trabecular network during zebrafish development, and (c) localize gene therapy-mediated potassium channel expression in adult murine hearts. We further combined our batch intensity normalized segmentation algorithm with deformable image registration to interface a VR environment with imaging computation for the analysis of cardiac contraction. Thus, the VR-LSFM hybrid platform demonstrates an efficient and robust framework for creating a user-directed microenvironment in which we uncovered developmental cardiac mechanics and physiology with high spatiotemporal resolution. PMID- 29202459 TI - Nasospheroids permit measurements of CFTR-dependent fluid transport. AB - Expansion of novel therapeutics to all patients with cystic fibrosis (CF) requires personalized CFTR modulator therapy. We have developed nasospheroids, a primary cell culture-based model derived from individual CF patients and healthy subjects by a minimally invasive nasal biopsy. Confocal microscopy was utilized to measure CFTR activity by analyzing changes in cross-sectional area over time that resulted from CFTR-mediated ion and fluid movement. Both the rate of change over time and AUC were calculated. Non-CF nasospheroids with active CFTR-mediated ion and fluid movement showed a reduction in cross-sectional area, whereas no changes were observed in CF spheroids. Non-CF spheroids treated with CFTR inhibitor lost responsiveness for CFTR activation. However, nasospheroids from F508del CF homozygotes that were treated with lumacaftor and ivacaftor showed a significant reduction in cross-sectional area, indicating pharmacologic rescue of CFTR function. This model employs a simple measurement of size corresponding to changes in CFTR activity and is applicable for detection of small changes in CFTR activity from individual patients in vitro. Advancements of this technique will provide a robust model for individualized prediction of CFTR modulator efficacy. PMID- 29202460 TI - Human liver-kidney model elucidates the mechanisms of aristolochic acid nephrotoxicity. AB - Environmental exposures pose a significant threat to human health. However, it is often difficult to study toxicological mechanisms in human subjects due to ethical concerns. Plant-derived aristolochic acids are among the most potent nephrotoxins and carcinogens discovered to date, yet the mechanism of bioactivation in humans remains poorly understood. Microphysiological systems (organs-on-chips) provide an approach to examining the complex, species-specific toxicological effects of pharmaceutical and environmental chemicals using human cells. We microfluidically linked a kidney-on-a-chip with a liver-on-a-chip to determine the mechanisms of bioactivation and transport of aristolochic acid I (AA-I), an established nephrotoxin and human carcinogen. We demonstrate that human hepatocyte-specific metabolism of AA-I substantially increases its cytotoxicity toward human kidney proximal tubular epithelial cells, including formation of aristolactam adducts and release of kidney injury biomarkers. Hepatic biotransformation of AA-I to a nephrotoxic metabolite involves nitroreduction, followed by sulfate conjugation. Here, we identify, in a human tissue-based system, that the sulfate conjugate of the hepatic NQO1-generated aristolactam product of AA-I (AL-I-NOSO3) is the nephrotoxic form of AA-I. This conjugate can be transported out of liver via MRP membrane transporters and then actively transported into kidney tissue via one or more organic anionic membrane transporters. This integrated microphysiological system provides an ex vivo approach for investigating organ-organ interactions, whereby the metabolism of a drug or other xenobiotic by one tissue may influence its toxicity toward another, and represents an experimental approach for studying chemical toxicity related to environmental and other toxic exposures. PMID- 29202461 TI - IL-7-dependent STAT1 activation limits homeostatic CD4+ T cell expansion. AB - IL-7 regulates homeostatic mechanisms that maintain the overall size of the T cell pool throughout life. We show that, under steady-state conditions, IL-7 signaling is principally mediated by activation of signal transducers and activators of transcription 5 (STAT5). In contrast, under lymphopenic conditions, there is a modulation of STAT1 expression resulting in an IL-7-dependent STAT1 and STAT5 activation. Consequently, the IL-7-induced transcriptome is altered with enrichment of IFN-stimulated genes (ISGs). Moreover, STAT1 overexpression was associated with reduced survival in CD4+ T cells undergoing lymphopenia induced proliferation (LIP). We propose a model in which T cells undergoing LIP upregulate STAT1 protein, "switching on" an alternate IL-7-dependent program. This mechanism could be a physiological process to regulate the expansion and size of the CD4+ T cell pool. During HIV infection, the virus could exploit this pathway, leading to the homeostatic dysregulation of the T cell pools observed in these patients. PMID- 29202462 TI - Paracrine osteoprotegerin and beta-catenin stabilization support synovial sarcomagenesis in periosteal cells. AB - Synovial sarcoma (SS) is an aggressive soft-tissue sarcoma that is often discovered during adolescence and young adulthood. Despite the name, synovial sarcoma does not typically arise from a synoviocyte but instead arises in close proximity to bones. Previous work demonstrated that mice expressing the characteristic SS18-SSX fusion oncogene in myogenic factor 5-expressing (Myf5 expressing) cells develop fully penetrant sarcomagenesis, suggesting skeletal muscle progenitor cell origin. However, Myf5 is not restricted to committed myoblasts in embryos but is also expressed in multipotent mesenchymal progenitors. Here, we demonstrated that human SS and mouse tumors arising from SS18-SSX expression in the embryonic, but not postnatal, Myf5 lineage share an anatomic location that is frequently adjacent to bone. Additionally, we showed that SS can originate from periosteal cells expressing SS18-SSX alone and from preosteoblasts expressing the fusion oncogene accompanied by the added stabilization of beta-catenin, which is a common secondary change in SS. Expression and secretion of the osteoclastogenesis inhibitory factor osteoprotegerin enabled early growth of SS18-SSX2-transformed cells, indicating a paracrine link between the bone and synovial sarcomagenesis. These findings explain the skeletal contact frequently observed in human SS and may provide alternate means of enabling SS18-SSX-driven oncogenesis in cells as differentiated as preosteoblasts. PMID- 29202464 TI - Hedgehog signaling drives medulloblastoma growth via CDK6. AB - Medulloblastoma, an aggressive cancer of the cerebellum, is among the most common pediatric brain tumors. Approximately one-third of medulloblastomas are associated with misactivation of the Hedgehog (Hh) pathway. GLI family zinc finger 2 (GLI2) coordinates the Hh transcriptional program; however, the GLI2 targets that promote cancer cell proliferation are unknown. Here, we incorporated a Gli2-EGFP allele into 2 different genetic mouse models of Hh-associated medulloblastoma. Hh signaling induced GLI2 binding to the Cdk6 promoter and activated Cdk6 expression, thereby promoting uncontrolled cell proliferation. Genetic or pharmacological inhibition of CDK6 in mice repressed the growth of Hh associated medulloblastoma and prolonged survival through inhibition of cell proliferation. In human medulloblastoma, misactivation of Hh signaling was associated with high levels of CDK6, pointing to CDK6 as a direct transcriptional target of the Hh pathway. These results suggest that CDK6 antagonists may be a promising therapeutic approach for Hh-associated medulloblastoma in humans. PMID- 29202463 TI - Patients and animal models of CNGbeta1-deficient retinitis pigmentosa support gene augmentation approach. AB - Retinitis pigmentosa (RP) is a major cause of blindness that affects 1.5 million people worldwide. Mutations in cyclic nucleotide-gated channel beta 1 (CNGB1) cause approximately 4% of autosomal recessive RP. Gene augmentation therapy shows promise for treating inherited retinal degenerations; however, relevant animal models and biomarkers of progression in patients with RP are needed to assess therapeutic outcomes. Here, we evaluated RP patients with CNGB1 mutations for potential biomarkers of progression and compared human phenotypes with those of mouse and dog models of the disease. Additionally, we used gene augmentation therapy in a CNGbeta1-deficient dog model to evaluate potential translation to patients. CNGB1-deficient RP patients and mouse and dog models had a similar phenotype characterized by early loss of rod function and slow rod photoreceptor loss with a secondary decline in cone function. Advanced imaging showed promise for evaluating RP progression in human patients, and gene augmentation using adeno-associated virus vectors robustly sustained the rescue of rod function and preserved retinal structure in the dog model. Together, our results reveal an early loss of rod function in CNGB1-deficient patients and a wide window for therapeutic intervention. Moreover, the identification of potential biomarkers of outcome measures, availability of relevant animal models, and robust functional rescue from gene augmentation therapy support future work to move CNGB1-RP therapies toward clinical trials. PMID- 29202465 TI - Thioesterase-mediated control of cellular calcium homeostasis enables hepatic ER stress. AB - The incorporation of excess saturated free fatty acids (SFAs) into membrane phospholipids within the ER promotes ER stress, insulin resistance, and hepatic gluconeogenesis. Thioesterase superfamily member 2 (Them2) is a mitochondria associated long-chain fatty acyl-CoA thioesterase that is activated upon binding phosphatidylcholine transfer protein (PC-TP). Under fasting conditions, the Them2/PC-TP complex directs saturated fatty acyl-CoA toward beta-oxidation. Here, we showed that during either chronic overnutrition or acute induction of ER stress, Them2 and PC-TP play critical roles in trafficking SFAs into the glycerolipid biosynthetic pathway to form saturated phospholipids, which ultimately reduce ER membrane fluidity. The Them2/PC-TP complex activated ER stress pathways by enhancing translocon-mediated efflux of ER calcium. The increased cytosolic calcium, in turn, led to the phosphorylation of calcium/calmodulin-dependent protein kinase II, which promoted both hepatic insulin resistance and gluconeogenesis. These findings delineate a mechanistic link between obesity and insulin resistance and establish the Them2/PC-TP complex as an attractive target for the management of hepatic steatosis and insulin resistance. PMID- 29202466 TI - Loss of pleckstrin-2 reverts lethality and vascular occlusions in JAK2V617F positive myeloproliferative neoplasms. AB - V617F driver mutation of JAK2 is the leading cause of the Philadelphia-chromosome negative myeloproliferative neoplasms (MPNs). Although thrombosis is a leading cause of mortality and morbidity in MPNs, the mechanisms underlying their pathogenesis are unclear. Here, we identified pleckstrin-2 (Plek2) as a downstream target of the JAK2/STAT5 pathway in erythroid and myeloid cells, and showed that it is upregulated in a JAK2V617F-positive MPN mouse model and in patients with MPNs. Loss of Plek2 ameliorated JAK2V617F-induced myeloproliferative phenotypes including erythrocytosis, neutrophilia, thrombocytosis, and splenomegaly, thereby reverting the widespread vascular occlusions and lethality in JAK2V617F-knockin mice. Additionally, we demonstrated that a reduction in red blood cell mass was the main contributing factor in the reversion of vascular occlusions. Thus, our study identifies Plek2 as an effector of the JAK2/STAT5 pathway and a key factor in the pathogenesis of JAK2V617F induced MPNs, pointing to Plek2 as a viable target for the treatment of MPNs. PMID- 29202467 TI - Endothelial chimerism and vascular sequestration protect pancreatic islet grafts from antibody-mediated rejection. AB - Humoral rejection is the most common cause of solid organ transplant failure. Here, we evaluated a cohort of 49 patients who were successfully grafted with allogenic islets and determined that the appearance of donor-specific anti-HLA antibodies (DSAs) did not accelerate the rate of islet graft attrition, suggesting resistance to humoral rejection. Murine DSAs bound to allogeneic targets expressed by islet cells and induced their destruction in vitro; however, passive transfer of the same DSAs did not affect islet graft survival in murine models. Live imaging revealed that DSAs were sequestrated in the circulation of the recipients and failed to reach the endocrine cells of grafted islets. We used murine heart transplantation models to confirm that endothelial cells were the only accessible targets for DSAs, which induced the development of typical microvascular lesions in allogeneic transplants. In contrast, the vasculature of DSA-exposed allogeneic islet grafts was devoid of lesions because sprouting of recipient capillaries reestablished blood flow in grafted islets. Thus, we conclude that endothelial chimerism combined with vascular sequestration of DSAs protects islet grafts from humoral rejection. The reduced immunoglobulin concentrations in the interstitial tissue, confirmed in patients, may have important implications for biotherapies such as vaccines and monoclonal antibodies. PMID- 29202468 TI - Polycomb subunit BMI1 determines uterine progesterone responsiveness essential for normal embryo implantation. AB - Natural and synthetic progestogens have been commonly used to prevent recurrent pregnancy loss in women with inadequate progesterone secretion or reduced progesterone sensitivity. However, the clinical efficacy of progesterone and its analogs for maintaining pregnancy is variable. Additionally, the underlying cause of impaired endometrial progesterone responsiveness during early pregnancy remains unknown. Here, we demonstrated that uterine-selective depletion of BMI1, a key component of the polycomb repressive complex-1 (PRC1), hampers uterine progesterone responsiveness and derails normal uterine receptivity, resulting in implantation failure in mice. We further uncovered genetic and biochemical evidence that BMI1 interacts with the progesterone receptor (PR) and the E3 ligase E6AP in a polycomb complex-independent manner and regulates the PR ubiquitination that is essential for normal progesterone responsiveness. A close association of aberrantly low endometrial BMI1 expression with restrained PR responsiveness in women who had previously had a miscarriage indicated that the role of BMI1 in endometrial PR function is conserved in mice and in humans. In addition to uncovering a potential regulatory mechanism of BMI1 that ensures normal endometrial progesterone responsiveness during early pregnancy, our findings have the potential to help clarify the underlying causes of spontaneous pregnancy loss in women. PMID- 29202469 TI - H3K27me3 dynamics dictate evolving uterine states in pregnancy and parturition. AB - Uncovering the causes of pregnancy complications such as preterm labor requires greater insight into how the uterus remains in a noncontractile state until term and then surmounts this state to enter labor. Here, we show that dynamic generation and erasure of the repressive histone modification tri-methyl histone H3 lysine 27 (H3K27me3) in decidual stromal cells dictate both elements of pregnancy success in mice. In early gestation, H3K27me3-induced transcriptional silencing of select gene targets ensured uterine quiescence by preventing the decidua from expressing parturition-inducing hormone receptors, manifesting type 1 immunity, and most unexpectedly, generating myofibroblasts and associated wound healing responses. In late gestation, genome-wide H3K27 demethylation allowed for target gene upregulation, decidual activation, and labor entry. Pharmacological inhibition of H3K27 demethylation in late gestation not only prevented term parturition, but also inhibited delivery while maintaining pup viability in a noninflammatory model of preterm parturition. Immunofluorescence analysis of human specimens suggested that similar regulatory events might occur in the human decidua. Together, these results reveal the centrality of regulated gene silencing in the uterine adaptation to pregnancy and suggest new areas in the study and treatment of pregnancy disorders. PMID- 29202470 TI - Polycystin-1 interacts with TAZ to stimulate osteoblastogenesis and inhibit adipogenesis. AB - The molecular mechanisms that transduce the osteoblast response to physical forces in the bone microenvironment are poorly understood. Here, we used genetic and pharmacological experiments to determine whether the polycystins PC1 and PC2 (encoded by Pkd1 and Pkd2) and the transcriptional coactivator TAZ form a mechanosensing complex in osteoblasts. Compound-heterozygous mice lacking 1 copy of Pkd1 and Taz exhibited additive decrements in bone mass, impaired osteoblast mediated bone formation, and enhanced bone marrow fat accumulation. Bone marrow stromal cells and osteoblasts derived from these mice showed impaired osteoblastogenesis and enhanced adipogenesis. Increased extracellular matrix stiffness and application of mechanical stretch to multipotent mesenchymal cells stimulated the nuclear translocation of the PC1 C-terminal tail/TAZ (PC1-CTT/TAZ) complex, leading to increased runt-related transcription factor 2-mediated (Runx2 mediated) osteogenic and decreased PPARgamma-dependent adipogenic gene expression. Using structure-based virtual screening, we identified a compound predicted to bind to PC2 in the PC1:PC2 C-terminal tail region with helix:helix interaction. This molecule stimulated polycystin- and TAZ-dependent osteoblastogenesis and inhibited adipogenesis. Thus, we show that polycystins and TAZ integrate at the molecular level to reciprocally regulate osteoblast and adipocyte differentiation, indicating that the polycystins/TAZ complex may be a potential therapeutic target to increase bone mass. PMID- 29202471 TI - Apoptosis-induced CXCL5 accelerates inflammation and growth of prostate tumor metastases in bone. AB - During tumor progression, immune system phagocytes continually clear apoptotic cancer cells in a process known as efferocytosis. However, the impact of efferocytosis in metastatic tumor growth is unknown. In this study, we observed that macrophage-driven efferocytosis of prostate cancer cells in vitro induced the expression of proinflammatory cytokines such as CXCL5 by activating Stat3 and NF-kappaB(p65) signaling. Administration of a dimerizer ligand (AP20187) triggered apoptosis in 2 in vivo syngeneic models of bone tumor growth in which apoptosis-inducible prostate cancer cells were either coimplanted with vertebral bodies, or inoculated in the tibiae of immunocompetent mice. Induction of 2 pulses of apoptosis correlated with increased infiltration of inflammatory cells and accelerated tumor growth in the bone. Apoptosis-induced tumors displayed elevated expression of the proinflammatory cytokine CXCL5. Likewise, CXCL5 deficient mice had reduced tumor progression. Peripheral blood monocytes isolated from patients with bone metastasis of prostate cancer were more efferocytic compared with normal controls, and CXCL5 serum levels were higher in metastatic prostate cancer patients relative to patients with localized prostate cancer or controls. Altogether, these findings suggest that the myeloid phagocytic clearance of apoptotic cancer cells accelerates CXCL5-mediated inflammation and tumor growth in bone, pointing to CXCL5 as a potential target for cancer therapeutics. PMID- 29202472 TI - Hyposialylated IgG activates endothelial IgG receptor FcgammaRIIB to promote obesity-induced insulin resistance. AB - Type 2 diabetes mellitus (T2DM) is a common complication of obesity. Here, we have shown that activation of the IgG receptor FcgammaRIIB in endothelium by hyposialylated IgG plays an important role in obesity-induced insulin resistance. Despite becoming obese on a high-fat diet (HFD), mice lacking FcgammaRIIB globally or selectively in endothelium were protected from insulin resistance as a result of the preservation of insulin delivery to skeletal muscle and resulting maintenance of muscle glucose disposal. IgG transfer in IgG-deficient mice implicated IgG as the pathogenetic ligand for endothelial FcgammaRIIB in obesity induced insulin resistance. Moreover, IgG transferred from patients with T2DM but not from metabolically healthy subjects caused insulin resistance in IgG deficient mice via FcgammaRIIB, indicating that similar processes may be operative in T2DM in humans. Mechanistically, the activation of FcgammaRIIB by IgG from obese mice impaired endothelial cell insulin transcytosis in culture and in vivo. These effects were attributed to hyposialylation of the Fc glycan, and IgG from T2DM patients was also hyposialylated. In HFD-fed mice, supplementation with the sialic acid precursor N-acetyl-D-mannosamine restored IgG sialylation and preserved insulin sensitivity without affecting weight gain. Thus, IgG sialylation and endothelial FcgammaRIIB may represent promising therapeutic targets to sever the link between obesity and T2DM. PMID- 29202473 TI - FODMAP diet modulates visceral nociception by lipopolysaccharide-mediated intestinal inflammation and barrier dysfunction. AB - Foods high in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs) exacerbate symptoms of irritable bowel syndrome (IBS); however, their mechanism of action is unknown. We hypothesized that a high-FODMAP (HFM) diet increases visceral nociception by inducing dysbiosis and that the FODMAP altered gut microbial community leads to intestinal pathology. We fed rats an HFM and showed that HFM increases rat fecal Gram-negative bacteria, elevates lipopolysaccharides (LPS), and induces intestinal pathology, as indicated by inflammation, barrier dysfunction, and visceral hypersensitivity (VH). These manifestations were prevented by antibiotics and reversed by low-FODMAP (LFM) diet. Additionally, intracolonic administration of LPS or fecal supernatant (FS) from HFM-fed rats caused intestinal barrier dysfunction and VH, which were blocked by the LPS antagonist LPS-RS or by TLR4 knockdown. Fecal LPS was higher in IBS patients than in healthy subjects (HS), and IBS patients on a 4-week LFM diet had improved IBS symptoms and reduced fecal LPS levels. Intracolonic administration of FS from IBS patients, but not FS from HS or LFM-treated IBS patients, induced VH in rats, which was ameliorated by LPS-RS. Our findings indicate that HFM-associated gut dysbiosis and elevated fecal LPS levels induce intestinal pathology, thereby modulating visceral nociception and IBS symptomatology, and might provide an explanation for the success of LFM diet in IBS patients. PMID- 29202474 TI - ADHFE1 is a breast cancer oncogene and induces metabolic reprogramming. AB - Metabolic reprogramming in breast tumors is linked to increases in putative oncogenic metabolites that may contribute to malignant transformation. We previously showed that accumulation of the oncometabolite, 2-hydroxyglutarate (2HG), in breast tumors was associated with MYC signaling, but not with isocitrate dehydrogenase (IDH) mutations, suggesting a distinct mechanism for increased 2HG in breast cancer. Here, we determined that D-2HG is the predominant enantiomer in human breast tumors and show that the D-2HG-producing mitochondrial enzyme, alcohol dehydrogenase, iron-containing protein 1 (ADHFE1), is a breast cancer oncogene that decreases patient survival. We found that MYC upregulates ADHFE1 through changes in iron metabolism while coexpression of both ADHFE1 and MYC strongly enhanced orthotopic tumor growth in MCF7 cells. Moreover, ADHFE1 promoted metabolic reprogramming with increased formation of D-2HG and reactive oxygen, a reductive glutamine metabolism, and modifications of the epigenetic landscape, leading to cellular dedifferentiation, enhanced mesenchymal transition, and phenocopying alterations that occur with high D-2HG levels in cancer cells with IDH mutations. Together, our data support the hypothesis that ADHFE1 and MYC signaling contribute to D-2HG accumulation in breast tumors and show that D-2HG is an oncogenic metabolite and potential driver of disease progression. PMID- 29202475 TI - Discovery, characterization, and clinical development of the glucagon-like peptides. AB - The discovery, characterization, and clinical development of glucagon-like peptide-1 (GLP-1) spans more than 30 years and includes contributions from multiple investigators, science recognized by the 2017 Harrington Award Prize for Innovation in Medicine. Herein, we provide perspectives on the historical events and key experimental findings establishing the biology of GLP-1 as an insulin stimulating glucoregulatory hormone. Important attributes of GLP-1 action and enteroendocrine science are reviewed, with emphasis on mechanistic advances and clinical proof-of-concept studies. The discovery that GLP-2 promotes mucosal growth in the intestine is described, and key findings from both preclinical studies and the GLP-2 clinical development program for short bowel syndrome (SBS) are reviewed. Finally, we summarize recent progress in GLP biology, highlighting emerging concepts and scientific insights with translational relevance. PMID- 29202478 TI - gammadeltaTCR recruits the Syk/PI3K axis to drive proinflammatory differentiation program. AB - gammadeltaT cells produce inflammatory cytokines and have been implicated in the pathogenesis of cancer, infectious diseases, and autoimmunity. The T cell receptor (TCR) signal transduction that specifically regulates the development of IL-17-producing gammadeltaT (gammadeltaT17) cells largely remains unclear. Here, we showed that the receptor proximal tyrosine kinase Syk is essential for gammadeltaTCR signal transduction and development of gammadeltaT17 in the mouse thymus. Zap70, another tyrosine kinase essential for the development of alphabetaT cells, failed to functionally substitute for Syk in the development of gammadeltaT17. Syk induced the activation of the PI3K/Akt pathway upon gammadeltaTCR stimulation. Mice deficient in PI3K signaling exhibited a complete loss of gammadeltaT17, without impaired development of IFN-gamma-producing gammadeltaT cells. Moreover, gammadeltaT17-dependent skin inflammation was ameliorated in mice deficient in RhoH, an adaptor known to recruit Syk. Thus, we deciphered lineage-specific TCR signaling and identified the Syk/PI3K pathway as a critical determinant of proinflammatory gammadeltaT cell differentiation. PMID- 29202477 TI - CRISPR-Cas9 screen reveals a MYCN-amplified neuroblastoma dependency on EZH2. AB - Pharmacologically difficult targets, such as MYC transcription factors, represent a major challenge in cancer therapy. For the childhood cancer neuroblastoma, amplification of the oncogene MYCN is associated with high-risk disease and poor prognosis. Here, we deployed genome-scale CRISPR-Cas9 screening of MYCN-amplified neuroblastoma and found a preferential dependency on genes encoding the polycomb repressive complex 2 (PRC2) components EZH2, EED, and SUZ12. Genetic and pharmacological suppression of EZH2 inhibited neuroblastoma growth in vitro and in vivo. Moreover, compared with neuroblastomas without MYCN amplification, MYCN amplified neuroblastomas expressed higher levels of EZH2. ChIP analysis showed that MYCN binds at the EZH2 promoter, thereby directly driving expression. Transcriptomic and epigenetic analysis, as well as genetic rescue experiments, revealed that EZH2 represses neuronal differentiation in neuroblastoma in a PRC2 dependent manner. Moreover, MYCN-amplified and high-risk primary tumors from patients with neuroblastoma exhibited strong repression of EZH2-regulated genes. Additionally, overexpression of IGFBP3, a direct EZH2 target, suppressed neuroblastoma growth in vitro and in vivo. We further observed strong synergy between histone deacetylase inhibitors and EZH2 inhibitors. Together, these observations demonstrate that MYCN upregulates EZH2, leading to inactivation of a tumor suppressor program in neuroblastoma, and support testing EZH2 inhibitors in patients with MYCN-amplified neuroblastoma. PMID- 29202476 TI - Stromal Lkb1 deficiency leads to gastrointestinal tumorigenesis involving the IL 11-JAK/STAT3 pathway. AB - Germline mutations in the gene encoding tumor suppressor kinase LKB1 lead to gastrointestinal tumorigenesis in Peutz-Jeghers syndrome (PJS) patients and mouse models; however, the cell types and signaling pathways underlying tumor formation are unknown. Here, we demonstrated that mesenchymal progenitor- or stromal fibroblast-specific deletion of Lkb1 results in fully penetrant polyposis in mice. Lineage tracing and immunohistochemical analyses revealed clonal expansion of Lkb1-deficient myofibroblast-like cell foci in the tumor stroma. Loss of Lkb1 in stromal cells was associated with induction of an inflammatory program including IL-11 production and activation of the JAK/STAT3 pathway in tumor epithelia concomitant with proliferation. Importantly, treatment of LKB1-defcient mice with the JAK1/2 inhibitor ruxolitinib dramatically decreased polyposis. These data indicate that IL-11-mediated induction of JAK/STAT3 is critical in gastrointestinal tumorigenesis following Lkb1 mutations and suggest that targeting this pathway has therapeutic potential in Peutz-Jeghers syndrome. PMID- 29202479 TI - SPOP mutation drives prostate neoplasia without stabilizing oncogenic transcription factor ERG. AB - Nearly 50% of prostate cancers harbor gene fusions that lead to overexpression of the transcription factor ERG, while a mutually exclusive 10% of prostate cancers harbor recurrent mutations in the gene encoding the E3 ubiquitin ligase SPOP. Recent reports suggest that SPOP acts as a ubiquitin ligase for ERG and propose that ERG stabilization is the oncogenic effector of SPOP mutation. Here, we used human prostate cancer samples and showed that the vast majority of human SPOP mutant cancers do not express ERG. Comparison of SPOP-mutant and ERG-fusion organoid models showed evidence of divergent, rather than common, transcriptional programs. Furthermore, expression of prostate cancer-associated SPOP mutations in genetically engineered mouse models of SPOP-mutant prostate cancer did not result in the expression of ERG protein in histologically normal prostate glands, high grade prostatic intraepithelial neoplasia, invasive adenocarcinoma, or prostate organoids. In summary, we found no evidence that ERG is an effector of SPOP mutation in human prostate cancer or mouse models. PMID- 29202480 TI - Differential impact of RB status on E2F1 reprogramming in human cancer. AB - The tumor suppressor protein retinoblastoma (RB) is mechanistically linked to suppression of transcription factor E2F1-mediated cell cycle regulation. For multiple tumor types, loss of RB function is associated with poor clinical outcome. RB action is abrogated either by direct depletion or through inactivation of RB function; however, the basis for this selectivity is unknown. Here, analysis of tumor samples and cell-free DNA from patients with advanced prostate cancer showed that direct RB loss was the preferred pathway of disruption in human disease. While RB loss was associated with lethal disease, RB deficient tumors had no proliferative advantage and exhibited downstream effects distinct from cell cycle control. Mechanistically, RB loss led to E2F1 cistrome expansion and different binding specificity, alterations distinct from those observed after functional RB inactivation. Additionally, identification of protumorigenic transcriptional networks specific to RB loss that were validated in clinical samples demonstrated the ability of RB loss to differentially reprogram E2F1 in human cancers. Together, these findings not only identify tumor suppressive functions of RB that are distinct from cell cycle control, but also demonstrate that the molecular consequence of RB loss is distinct from RB inactivation. Thus, these studies provide insight into how RB loss promotes disease progression, and identify new nodes for therapeutic intervention. PMID- 29202481 TI - Bone marrow drives central nervous system regeneration after radiation injury. AB - Nervous system injury is a frequent result of cancer therapy involving cranial irradiation, leaving patients with marked memory and other neurobehavioral disabilities. Here, we report an unanticipated link between bone marrow and brain in the setting of radiation injury. Specifically, we demonstrate that bone marrow derived monocytes and macrophages are essential for structural and functional repair mechanisms, including regeneration of cerebral white matter and improvement in neurocognitive function. Using a granulocyte-colony stimulating factor (G-CSF) receptor knockout mouse model in combination with bone marrow cell transplantation, MRI, and neurocognitive functional assessments, we demonstrate that bone marrow-derived G-CSF-responsive cells home to the injured brain and are critical for altering neural progenitor cells and brain repair. Additionally, compared with untreated animals, animals that received G-CSF following radiation injury exhibited enhanced functional brain repair. Together, these results demonstrate that, in addition to its known role in defense and debris removal, the hematopoietic system provides critical regenerative drive to the brain that can be modulated by clinically available agents. PMID- 29202482 TI - Ligand-activated BMP signaling inhibits cell differentiation and death to promote melanoma. AB - Oncogenomic studies indicate that copy number variation (CNV) alters genes involved in tumor progression; however, identification of specific driver genes affected by CNV has been difficult, as these rearrangements are often contained in large chromosomal intervals among several bystander genes. Here, we addressed this problem and identified a CNV-targeted oncogene by performing comparative oncogenomics of human and zebrafish melanomas. We determined that the gene encoding growth differentiation factor 6 (GDF6), which is the ligand for the BMP family, is recurrently amplified and transcriptionally upregulated in melanoma. GDF6-induced BMP signaling maintained a trunk neural crest gene signature in melanomas. Additionally, GDF6 repressed the melanocyte differentiation gene MITF and the proapoptotic factor SOX9, thereby preventing differentiation, inhibiting cell death, and promoting tumor growth. GDF6 was specifically expressed in melanomas but not melanocytes. Moreover, GDF6 expression levels in melanomas were inversely correlated with patient survival. Our study has identified a fundamental role for GDF6 and BMP signaling in governing an embryonic cell gene signature to promote melanoma progression, thus providing potential opportunities for targeted therapy to treat GDF6-positive cancers. PMID- 29202483 TI - PMP22 antisense oligonucleotides reverse Charcot-Marie-Tooth disease type 1A features in rodent models. AB - Charcot-Marie-Tooth disease type 1A (CMT1A) is caused by duplication of peripheral myelin protein 22 (PMP22) and is the most common hereditary peripheral neuropathy. CMT1A is characterized by demyelination and axonal loss, which underlie slowed motor nerve conduction velocity (MNCV) and reduced compound muscle action potentials (CMAP) in patients. There is currently no known treatment for this disease. Here, we show that antisense oligonucleotides (ASOs) effectively suppress PMP22 mRNA in affected nerves in 2 murine CMT1A models. Notably, initiation of ASO treatment after disease onset restored myelination, MNCV, and CMAP almost to levels seen in WT animals. In addition to disease associated gene expression networks that were restored with ASO treatment, we also identified potential disease biomarkers through transcriptomic profiling. Furthermore, we demonstrated that reduction of PMP22 mRNA in skin biopsies from ASO-treated rats is a suitable biomarker for evaluating target engagement in response to ASO therapy. These results support the use of ASOs as a potential treatment for CMT1A and elucidate potential disease and target engagement biomarkers for use in future clinical trials. PMID- 29202484 TI - Usefulness of the Martin Method for Estimation of Low-Density Lipoprotein Cholesterol in Coronary Atherosclerosis. AB - OBJECTIVE: This study was conducted to validate the Martin method in coronary atherosclerosis in comparison with the Friedewald equation. SUBJECTS AND METHODS: A total of 299 participants with a coronary artery calcium score (CACS) >=300 and a serum triglyceride (TG) level <400 mg/dL at Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea, were enrolled in this study. Low density lipoprotein cholesterol (LDL-C) was directly measured with a homogeneous assay (DLDL) and estimated by both the Friedewald equation (FLDL) and Martin method (MLDL). Overall concordances between DLDL and LDL-C estimates were calculated as the percent agreement. The McNemar test was used to compare the rate of reclassification of participants with FLDL and MLDL, and to determine which differed significantly from each other. RESULTS: Overall concordance between DLDL and MLDL was slightly higher than that between DLDL and FLDL (73.2 vs. 70.9%, p < 0.001). The FLDL showed poor performance when the TG level was >=200 mg/dL, mostly by underestimation, which represented a 64.7% discordance with DLDL. The reclassification rate by MLDL, however, did not exceed 35.3% in all of the TG groups. CONCLUSIONS: The Martin method to estimate LDL-C using the strata-specific TG:VLDL ratio showed a 2-fold better concordance with LDL-C measured with a direct homogeneous assay in coronary atherosclerosis compared to the Friedewald equation when the TG level was >=200 mg/dL. This finding suggests that MLDL could be a better alternative for estimating LDL-C compared to FLDL when the TG level is >=200 mg/dL in coronary atherosclerosis. PMID- 29202485 TI - Selenite restores Pax6 expression in neuronal cells of chronically arsenic exposed Golden Syrian hamsters. AB - Arsenic is a worldwide environmental pollutant that generates public health concerns. Various types of cancers and other diseases, including neurological disorders, have been associated with human consumption of arsenic in drinking water. At the molecular level, arsenic and its metabolites have the capacity to provoke genome instability, causing altered expression of genes. One such target of arsenic is the Pax6 gene that encodes a transcription factor in neuronal cells. The aim of this study was to evaluate the effect of two antioxidants, alpha-tocopheryl succinate (alpha-TOS) and sodium selenite, on Pax6 gene expression levels in the forebrain and cerebellum of Golden Syrian hamsters chronically exposed to arsenic in drinking water. Animals were divided into six groups. Using quantitative real-time reverse transcriptase (RT)-PCR analysis, we confirmed that arsenic downregulates Pax6 expression in nervous tissues by 53 +/- 21% and 32 +/- 7% in the forebrain and cerebellum, respectively. In the presence of arsenic, treatment with alpha-TOS did not modify Pax6 expression in nervous tissues; however, sodium selenite completely restored Pax6 expression in the arsenic-exposed hamster forebrain, but not the cerebellum. Although our results suggest the use of selenite to restore the expression of a neuronal gene in arsenic-exposed animals, its use and efficacy in the human population require further studies. PMID- 29202486 TI - Vitamin D status in patients with rheumatoid arthritis: a correlation analysis with disease activity and progression, as well as serum IL-6 levels. AB - OBJECTIVES: Recent epidemiological studies suggested an association between a poor vitamin D [25(OH)D] status, inflammatory mediators, and rheumatoid arthritis (RA). We have recently proposed that pro-inflammatory interleukin 6 (IL-6) may represent a good marker for disease activity of RA. The aim of this study was to investigate the relationship between serum 25(OH)D levels and disease activity, joint damage, as well as serum IL-6 levels in a Polish RA population. MATERIALS AND METHODS: Serum 25(OH)D levels were measured in 35 female RA patients and 38 age- and gender-matched healthy controls. Statistical correlations between 25(OH)D levels and the disease activity score 28 (DAS 28), joint damage based on the Steinbrocker criteria, as well as serum IL-6 levels were performed. RESULTS: There was no statistically significant difference between levels of 25(OH)D in RA (16.89+/-8.57 ng/ml) and healthy controls (14.12+/-7.51 ng/ml), and the vitamin D deficiency (<20 ng/ml) was found in 71.43% of RA patients and 73.68 % of healthy controls. While vitamin D status did not correlate with DAS 28 (r=0.265, p=0.149) and joint damage based on the Steinbrocker criteria (r=0.367, p=0.065), a positive correlation between 25(OH)D and IL-6 (r=0.537, p=0.002) was observed in RA. CONCLUSION: Although further studies on a larger group of patients will be needed to confirm the data presented here, it seems that hypovitaminosis D is common in the RA patients and middle-aged non-RA healthy women in the Polish population. 25(OH)D levels were similar in the RA patients and age- and gender matched healthy controls, and were not associated with joint damage and disease activity in patients. PMID- 29202487 TI - Maillard neoglycans as inhibitors for in vitro adhesion of F4+ enterotoxigenic Escherichia coli to piglet intestinal cells. AB - Adhesion of enterotoxigenic (ETEC) E. coli to host intestinal cells is mediated by lectin-like fimbriae that bind to specific glycan moieties on the surfaces of enterocytes. To prevent in vitro binding of E. coli F4 fimbriae (F4 ETEC+) to piglet enterocytes, neoglycans were synthesized by the Maillard reaction conjugating lactose (Lac), galacto-oligosaccharides (GOS) or chitin oligosaccharides (Ochit) to porcine serum albumin (PSA). Neoglycans were characterized by SDS-PAGE, intrinsic tryptophan fluorescence and recognition by plant lectins, as well as by F4 ETEC variants. Electrophoretic patterns suggested the binding to PSA of 63, 13 and 2 molecules of Lac, GOS and Ochit, respectively. All neoglycans displayed quenching of tryptophan fluorescence consistent with the degree of glycation estimated by SDS-PAGE. Plant lectins recognized the neoglycans according to their specificity, whereas antigenic variants of F4 ETEC (ab, ac and ad) recognized PSA-Ochit and PSA-Lac with higher affinity than that for GOS. Neoglycans partially hindered the in vitro binding of F4+ ETEC to piglet enterocytes in a dose-dependent manner. The most effective blocking was observed with PSA-Lac that partially inhibited the adhesion of bacteria to enterocytes in a dose dependent manner, as quantified by flow cytometry. Increased production of the cytokines IL-6 and TNF-alpha was observed in response to F4+ ETEC infection of enterocytes and production was reduced in the presence of PSA-Ochit and PSA GOS. These results suggest that neoglycans synthesized by the Maillard reaction could be useful in the prophylaxis of diarrhea in piglets. PMID- 29202488 TI - Acute tadalafil administration increases plasma fatty acids without changes in the inflammatory response in healthy men. AB - PURPOSE: Tadalafil, the phosphodiesterase type 5 inhibitor (PDE5I), has been shown to reduce visceral adipose tissue in rabbit and to improve lean mass content in non-obese men. In order to clarify this effect in humans, in the present study we determined the impact of an acute oral tadalafil administration on lipolysis by evaluating plasma free fatty acids (FFAs) and glycerol. FFAs are potential modulator of inflammation response that we evaluated through tumor necrosis factor alpha (TNFalpha), interleukin 6 (IL6), interleukin 8 (IL8) and interleukin 10 (IL10) plasma levels. Moreover, we determined whether the effects of tadalafil would be reflected in variation of plasma levels of cGMP and NO, two important molecules involved in PDE5Is signaling. METHODS: Twelve healthy subjects were supplemented with 20 mg of tadalafil or a placebo, in a double blind, randomized, cross-over design. Blood samples were collected immediately before, and at 2, 6, and 24 hours post ingestion, and assayed for biochemical analysis. RESULTS: A condition effect was noted for FFAs and glycerol, with values higher for tadalafil when compared to the placebo group, at 2 and 6 hours post ingestion. No statistically significant effects were noted for glucose, cGMP, nitrate and nitrite. No inflammatory response was induced by tadalafil. CONCLUSION: Tadalafil, in human subjects, increases lipolysis as evidenced by a significant increase in circulating FFAs and glycerol, without affecting the plasma cGMP and NO levels; noticeably, the increase in FFAs did not develop an inflammatory response. Further well-controlled studies are warranted to assess the impact of tadalafil administration on weight/fat loss. PMID- 29202489 TI - [Physician - Pharmacist Communication about Potentially Severe Drug Interactions]. AB - INTRODUCTION: Potentially serious drug interactions are often detected by pharmacists. In such cases fast communication with the General Practitioner (GP) is required. However, contacting physicians by telephone is often difficult. In a previous project a fax template was developed allowing fast communication of serious drug interactions to the GP. Utilization of the template and interactions detected were assessed in this observational study. METHODS: All pharmacists and GP in the city of Bremen were informed about the template. Severity of drug interactions was rated by the ABDA classification system (from 1 "contraindication" to 8: "no action recommended"). Participating pharmacists were asked to send an anonymized copy of every template. A descriptive analysis of the interactions, actions recommended by the pharmacists and physicians' reactions was performed. RESULTS: 123 faxes were sent to the Pharmacist's Association in Bremen by 23 pharmacies (1 - 25 fax/pharmacy). In 108/123 cases (severe) interactions were reported. In the remaining cases the interaction could not be verified (n = 7) or unintended double medication (n = 8) was detected. GP gave feedback in 69.4 % (n = 75). The GP followed the recommendations made by the pharmacist changing their original prescription, discontinuing medication and or monitoring patient's therapy followed the recommendations made by the pharmacist (n = 23). Beside that GP, chose another strategy (n = 15) or gave feedback that the interaction was known and issued the prescription as planned (31.5 %, n = 34). Check back with the patient was rarely recommended (n = 3). DISCUSSION: Fax templates seem to be an accepted instrument by pharmacists reporting serious drug interactions and able to improve medication safety. Different than intended, pharmacists used template for reporting less severe drug interactions. Attention has to be paid to the risk of over alerting, reporting which can lead to unintended neglect of urgent problems. Pharmacists should therefore be encouraged to report only serious drug interactions. PMID- 29202490 TI - [Metastasation of cutaneous squamous cell carcinoma in the ENT-Area]. AB - OBJECTIVES: Our aim was to investigate the metastasis behavior and its prognostic Factor for Survival, with our clinical data. MATERIALS AND METHODS: This retrospective study included 29 Caucasians, with a squamous cell carcinoma of the skin in the head and neck region, at our tertiary clinic between 2004 and 2016. All Patients received a Tumorresection and Neckdissection. We used either Ultrasound or Computer-Tomography (conventional or PET-CT) for our preoperative Staging and the Follow-up. The Patients were classified according to metastatic behavior and the corresponding survival rates were determined. RESULTS: We found 11 patients with cervical metastases, 4 patients with parotideal metastases, 5 patients had Metastasis in both locations. In 9 patients a prophylactic neck dissection was performed. A loco regional tumor recurrence occurred in a total of 24 % of the cases, these cases were all associated with cervical metastasis. The 5-year survival rate in these cases was 71 %; in contrast, it was 100 % when parotideal metastasis alone occurred. In the group with prophylactic neck dissection, one case was diagnosed with occult metastases. CONCLUSIONS: Cervical metastasis is associated with a poorer prognosis compared to parotideal metastasis. The survival rate after surgical therapy and, if necessary, additional adjuvant radiotherapy is generally good (79 %). The role of prophylactic neck dissection in cN0 with corresponding risk factors, has not been conclusively clarified. PMID- 29202491 TI - Diagnosis and Treatment of Primary Aldosteronism in 2017: Did We Achieve Our Goals? PMID- 29202492 TI - Subtyping of Patients with Primary Aldosteronism: An Update. AB - Primary aldosteronism (PA) comprises two main subtypes: unilateral aldosteronism, mainly caused by aldosterone-producing adenoma; and bilateral adrenal hyperplasia. Establishing the correct subtype in patients with PA is indispensible for choice of treatment. In addition to established methods, alternative tests are evolving for subtyping. Computed tomography (CT) and adrenal venous sampling (AVS) are currently recommended in the guidelines for the diagnostic work-up of patients with PA. CT cannot be used as a stand-alone test for subtyping because of its limited accuracy but may be used in combination with other tests such as AVS or functional imaging. Nevertheless CT remains mandatory to exclude adrenocortical carcinoma. AVS provides the most accurate test to detect excessive secretion of aldosterone from an adrenal mass but has several practical limitations and disadvantages. Therefore, alternative non-invasive and patient-friendly methods are required to determine the need for adrenalectomy. Functional imaging with specific molecular positron emission tomographic ligands is a potential alternative method that may replace AVS for subclassifying patients with PA. The results of preliminary studies of 11C-metomidate are promising but ligands incorporating radionuclides with longer half-lives that selectively bind to CYP11B2 are needed. Steroid profiling provides another method for subtyping and selecting patients for adrenalectomy, but this technology is in its infancy and prospective outcome-based studies are required to determine if this technique may provide an alternative to AVS. PMID- 29202493 TI - Health-Related Quality of Life and Mental Health in Primary Aldosteronism: A Systematic Review. AB - The aim of this review was to determine the impact of primary aldosteronism on health-related quality of life (HRQoL) and mental health. We performed a systematic literature search up to July 2017 in six electronic databases. First, we screened the articles derived from this search based on title and abstract. Second, the selected studies were systematically reviewed and checked for our predefined inclusion criteria. The search yielded 753 articles, of which 15 studies met our inclusion criteria. Untreated patients with primary aldosteronism showed an impaired physical and mental HRQoL as compared to the general population. Multiple domains of HRQoL were affected. This applied to patients with both an aldosterone-producing adenoma and bilateral adrenal hyperplasia. Adrenalectomy improves HRQoL. Conflicting results have been reported on the extent of this improvement, the improvement after initiation of medical treatment, and whether there is a difference in HRQoL after both treatments. Similarly, psychopathological symptoms of anxiety, demoralization, stress, depression and nervousness were more frequently reported in untreated patients with primary aldosteronism than in the general population and patients with hypertension. Also an impaired sleep quality has been reported. Improvement of these symptoms was observed after treatment with both adrenalectomy and mineralocorticoid receptor antagonists. This review shows that HRQoL is impaired and psychopathology is more frequently reported in patients with primary aldosteronism. This seems to be at least partly reversible after treatment but the extent of improvement remains unknown. To assess HRQoL in these patients more precisely a primary aldosteronism-specific HRQoL questionnaire is required. PMID- 29202494 TI - Aldosterone-Producing Cell Clusters in Normal and Pathological States. AB - Primary aldosteronism (PA) significantly increases the risk of cardiovascular complications, and early diagnosis and targeted treatment based on its pathophysiology is warranted. Next-generation sequencing (NGS) has revealed recurrent somatic mutations in aldosterone-driving genes in aldosterone-producing adenoma (APA). By applying CYP11B2 (aldosterone synthase) immunohistochemistry and NGS to adrenal glands from normal subjects and PA patients, we and others have shown that CYP11B2-positive cells make small clusters, termed aldosterone producing cell clusters (APCC), beneath the adrenal capsule, and that APCC harbor somatic mutations in genes mutated in APA. We have shown that APCC are increased in CT-negative PA adrenals, while others showed potential progression from APCC to micro APA through mutations. These results suggest that APCC are a key factor for understanding the origin of PA, and further investigation on the relation between APCC and PA is highly needed. PMID- 29202495 TI - Disordered CYP11B2 Expression in Primary Aldosteronism. AB - Primary aldosteronism is the most common type of secondary hypertension affecting 6-10% of patients with primary hypertension. PA is mainly caused by unilateral hyperaldosteronism due to an aldosterone-producing adenoma, unilateral hyperplasia with or without micronodules or bilateral zona glomerulosa hyperplasias with or without macro or micronodules. The development of antibodies against the terminal enzyme of aldosterone biosynthesis (CYP11B2) has permitted the further characterization of normal adrenals and resected adrenals from patients with primary aldosteronism. Normal adrenals exhibit two different patterns of cellular expression of CYP11B2: young individuals display a relatively uniform expression of the enzyme throughout the zona glomerulosa while the adrenals of older individuals have dispersed CYP11B2-expressing cells but have more groups of cells called aldosterone-producing cell clusters (APCC). APAs exhibit different patterns of CYP11B2 staining that vary from uniform to homogeneous. There are also a proportion of cells within the APA that co-express different enzymes that are not normally co-expressed in normal individuals. Approximately 30% of patients with unilateral hyperaldosteronism do not have an APA, but either have an increased number of CYP11B2 expressing micronodules or hyperplasia of the zona glomerulosa. In summary, the studies reported in this review are shedding new light on the pathophysiology of primary aldosteronism. The wide variation in histopathological features of the adenomas and concurrent presence of APCCs raises the possibility that most cases of unilateral production of aldosterone actually might represent bilateral asymmetric hyperplasia with nodules frequently due to the development of somatic aldosterone-driving mutations. PMID- 29202496 TI - Primary Aldosteronism and Obstructive Sleep Apnea: Is This A Bidirectional Relationship? AB - It has been suggested that the high prevalence of obstructive sleep apnea (OSA) in resistant hypertension (RHT) may be related to the high prevalence of primary aldosteronism (PA) in patients with RHT. It has been also hypothesized that the relationship between aldosterone and OSA might be bidirectional. In patients with RHT, it has been shown that aldosterone levels correlate with severity of OSA and that blockade of aldosterone reduces the severity of OSA. It has been postulated that aldosterone worsens OSA by promoting accumulation of fluid, which shifted in the supine position to the neck, contributes to increased upper airway resistance. Also there is growing data that PA is more frequent in patients with OSA and that the treatment of PA positively influences OSA course. Also in some studies it has been shown that patients with OSA are characterized by higher aldosterone levels and higher prevalence of PA than patients without OSA and that causal treatment of OSA might decrease aldosterone levels. Moreover, the recent guideline of the Endocrine Society on management of PA recommends to screen hypertensive patients with OSA for PA. PMID- 29202498 TI - Antibiotic Awareness Week - November 2017: Veterinary Surgeons - Leaders in Antimicrobial Stewardship? PMID- 29202499 TI - Evaluation of Intra- and Inter-observer Measurement Variability of a Radiographic Stifle Osteoarthritis Scoring System in Dogs. AB - Objectives To evaluate the intra- and inter-observer measurement variability of an existing osteoarthritis (OA) stifle scoring system. Methods Paired caudocranial and mediolateral canine stifle radiographs were selected randomly. A total of 15 assessment points were evaluated independently and graded twice (integer numeric scale: 1-4) at an interval of 2 weeks by three observers with different levels of experience. The grades for each of the 15 factors were summed to obtain the OA score for each patient. Results The 15 independent assessment points measured by the three observers showed high reproducibility and low intra observer variability. Inter-observer variability was also low (mean: 1.09 +/- 4.99, 95% CI [confidence interval]: -0.35 to 2.55). The most discordant ratings among the three observers involved sesamoid bones of gastrocnemius muscle (assessment point 11 of 15) and popliteal surface of femur (assessment point 10 of 15). Clinical Significance A validated and feasible OA scoring method is prerequisite for reliable radiographic assessment of OA progression. The low overall inter- and intra-observer variabilities among the 15 independent measures of the OA scoring system presented herein support its feasibility for application in clinical practice as an objective tool for radiographic scoring of stifle OA. PMID- 29202500 TI - Evaluation of the Environmental Bias on Accelerometer-Measured Total Daily Activity Counts and Owner Survey Responses in Dogs with Osteoarthritis. AB - Objective To determine if environmental variables affect the average daily activity counts (AC) of dogs with osteoarthritis (OA) and/or owners' perception of their dog's clinical signs or quality of life. Methods The AC and Canine Brief Pain Inventory (CBPI) owner questionnaires of 62 dogs with OA were compared with daily environmental variables including the following: average temperature ( degrees C), high temperature ( degrees C), low temperature ( degrees C), relative humidity (%), total precipitation (mm), average barometric pressure (hPa) and total daylight hours. Results Daily AC significantly correlated with average temperature and total daylight hours, but average temperature and total daylight hours accounted for less than 1% of variation in AC. No other significant relationships were found between daily AC and daily high temperature, low temperature, relative humidity, total precipitation or average barometric pressure. No statistical relationship was found between daily AC and the CBPI, nor between environmental variables and the CBPI. Canine Brief Pain Inventory scores for pain severity and pain interference decreased significantly over the test period. Clinical Significance The relationship between daily AC and average temperature and total daylight hours was significant, but unlikely to be clinically significant. Thus, environmental variables do not appear to have a clinically relevant bias on AC or owner CBPI questionnaires. The decrease over time in CBPI pain severity and pain interference values suggests owners completing the CBPI in this study were influenced by a caregiver placebo effect. PMID- 29202501 TI - Assessment of T2 Relaxation Times for Normal Canine Knee Articular Cartilage by T2 Mapping Using 1.5-T Magnetic Resonance Imaging. AB - Objectives This study aims to assess and compare the T2 relaxation times for articular cartilage of normal canine stifle joints in four regions by T2 mapping using a 1.5-T magnetic resonance imaging (MRI). Methods In vivo prospective study: 20 hindlimbs (left and right) from 10 normal healthy beagle dogs (n = 20). The region of interest (ROI) was subdivided into medial and lateral condyles of femoral cartilage (MF and LF, respectively) and medial and lateral condyles of tibial cartilage (MT and LT, respectively). The T2 relaxation times were assessed in regions where the cartilage thickness was greater than 0.5 mm. Results The median maximum cartilage thickness (mm) of the four ROI were 0.7 (range: 0.9 0.6), 0.6 (range: 0.7-0.5), 0.7 (range: 0.9-0.5) and 0.6 (range: 0.8-0.5) at MF, LF, MT and LT, respectively. The errors in the measurement (%) of the four ROI were 64.3 (range: 50.0-75.0), 75.0 (range: 64.3-90.0), 64.3 (range: 20.0-90.0) and 75.0 (range: 56.3-90.0) at MF, LF, MT and LT, respectively. The median T2 relaxation times (ms) for the articular cartilage of the four ROI were 70.2 (range: 57.9-87.9), 57.5 (range: 46.8-66.9), 65.0 (range: 52.0-92.0) and 57.0 (range: 49.0-66.2) at MF, LF, MT and LT, respectively. The inter-observer correlation coefficient (ICC, 2.1) for the T2 relaxation times of MF was 0.644. Clinical Significance This study offers useful information on T2 relaxation times for articular cartilage of the stifle joint using a 1.5-T MRI in normal dogs. PMID- 29202502 TI - Variation in the Quantity of Elastic Fibres with Degeneration in Canine Cranial Cruciate Ligaments from Labrador Retrievers. AB - Objectives This study aims to quantify numbers of elastic fibres in cranial cruciate ligaments from a dog breed at high risk of cranial cruciate ligament disease. Methods Macroscopically normal cranial cruciate ligaments were harvested from six Labrador retrievers. Sequential histological sections were assessed for extracellular matrix degeneration (haematoxylin and eosin stain) and elastic fibre staining (Miller's stain). Elastic fibres were semi-quantified using previously published scoring systems. Each section was scored twice by two observers. Results Increased numbers of elastic fibres were seen with increasing cranial cruciate ligament degeneration (p = 0.001). Labrador retriever cranial cruciate ligaments had lower elastic fibre staining when compared with previous published findings in the racing greyhound. Clinical Significance The cranial cruciate ligaments from a dog breed at high risk of cranial cruciate ligament disease vary in the quantity of elastic fibres in association with ligament degeneration. Breed variation in the quantity of elastic fibres may reflect differing risk of cranial cruciate ligament disease. PMID- 29202503 TI - Quantitative Analysis and Development of the Fore Feet of Arabian Foals from Birth to 1 Year of Age. AB - Objectives The goal of this study was to quantify external and internal anatomical characteristics of the foal foot throughout the first year of age. Methods Digital radiographs and photographs were taken bimonthly of the forefeet of nine Arabian foals, beginning at about 2 weeks of age until 12 months of age. Sixty-eight linear and angular variables were measured using NIH (National Institutes of Health) Image J software. Statistical analyses were performed using piecewise random coefficient model and p-values < 0.05 were considered significant. Results Distinct changes in hoof development were identified between 4 and 8 months of age. Distinct changes were identified in several external (conformational) measurements including hoof solar widths and lengths, palmar heel lengths, toe and heel angles and in several internal (radiographic) measurements including the widths and lengths of the phalanges and sesamoid bones as well as joint angles. Clinical Significance Existing knowledge of distal limb development in foals, particularly the foot, is limited. These findings define the measurable changes of the foal foot as it grows during the first year of life. These data provide an insight into the transformation of the hoof from its initial oval to a circular shape and from a club-like, cylindrical conformation to a more angled, conical conformation. This paper quantifies this development, ultimately allowing a better understanding of morphological changes in the foot of the growing foal. PMID- 29202504 TI - Computed Tomographic Analysis of Ventral Atlantoaxial Optimal Safe Implantation Corridors in 27 Dogs. AB - Objectives Ventral atlantoaxial stabilization techniques are challenging surgical procedures in dogs. Available surgical guidelines are based upon subjective anatomical landmarks, and limited radiographic and computed tomographic data. The aims of this study were (1) to provide detailed anatomical descriptions of atlantoaxial optimal safe implantation corridors to generate objective recommendations for optimal implant placements and (2) to compare anatomical data obtained in non-affected Toy breed dogs, affected Toy breed dogs suffering from atlantoaxial instability and non-affected Beagle dogs. Methods Anatomical data were collected from a prospectively recruited population of 27 dogs using a previously validated method of optimal safe implantation corridor analysis using computed tomographic images. Results Optimal implant positions and three dimensional numerical data were generated successfully in all cases. Anatomical landmarks could be used to generate objective definitions of optimal insertion points which were applicable across all three groups. Overall the geometrical distribution of all implant sites was similar in all three groups with a few exceptions. Clinical Significance This study provides extensive anatomical data available to facilitate surgical planning of implant placement for atlantoaxial stabilization. Our data suggest that non-affected Toy breed dogs and non-affected Beagle dogs constitute reasonable research models to study atlantoaxial stabilization constructs. PMID- 29202505 TI - Incidence of Abnormalities of the Second and Third Cervical Vertebral Junction in Dogs with Atlantoaxial Instability: A Multicentre Study. AB - Objective To evaluate the occurrence and frequency of abnormalities at the second and third cervical vertebral junction (C2/3) in dogs with and without atlantoaxial instability (AAI). Study Design Retrospective multi-institutional case-controlled case series. Animals One hundred and seventeen dogs with AAI and 117 dogs without AAI. Methods Radiographs, together with computer tomographic images or magnetic resonance images or both, of the cranial cervical spine of dogs were reviewed for the presence or absence of intervertebral disc-related anomalies, osseous fusion of the vertebrae, spondylosis, or any other anomaly of the C2/3. Results The incidence of anomalies affecting the C2/3 in dogs with AAI was 38.46% (n = 45) and in the control group it was 11.97% (n = 14). The majority of the observed anomalies involved the intervertebral disc. In conjunction with AAI, intervertebral disc-related anomalies were noted in 33.34%, spondylosis in 2.56%, osseous fusion in 1.71% and a hypoplasia of the spinous process in 0.85% of the cases. Summarized under the term intervertebral disc-related anomalies, a morphological alteration of the intervertebral disc was noted in 10 cases with AAI, characterized by a spherical outer shape and a minimally reduced size and a dorsal positioning in the intervertebral space. Conclusion There is a significantly higher incidence of anomalies affecting the C2/3 in association with AAI. In conjunction with AAI, intervertebral disc-related anomalies are the most frequent pathological finding affecting the C2/3. PMID- 29202506 TI - Effect of Facetectomy on the Three-Dimensional Biomechanical Properties of the Fourth Canine Cervical Functional Spinal Unit: A Cadaveric Study. AB - Objective To study the biomechanical effect of facetectomy in 10 large breed dogs (>24 kg body weight) on the fourth canine cervical functional spinal unit. Methods Canine cervical spines were freed from all muscles. Spines were mounted on a six-degrees-of-freedom spine testing machine for three-dimensional motion analysis. Data were recorded with an optoelectronic motion analysis system. The range of motion was determined in all three primary motions as well as range of motion of coupled motions on the intact specimen, after unilateral and after bilateral facetectomy. Repeated-measures analysis of variance models were used to assess the changes of the biomechanical properties in the three treatment groups considered. Results Facetectomy increased range of motion of primary motions in all directions. Axial rotation was significantly influenced by facetectomy. Coupled motion was not influenced by facetectomy except for lateral bending with coupled motion axial rotation. The coupling factor (coupled motion/primary motion) decreased after facetectomy. Symmetry of motion was influenced by facetectomy in flexion-extension and axial rotation, but not in lateral bending. Clinical Significance Facet joints play a significant role in the stability of the cervical spine and act to maintain spatial integrity. Therefore, cervical spinal treatments requiring a facetectomy should be carefully planned and if an excessive increase in range of motion is expected, complications should be anticipated and reduced via spinal stabilization. PMID- 29202507 TI - Effect of Limb Position at the Time of Skin Marker Application on Sagittal Plane Kinematics of the Dog. AB - Objectives To evaluate the effect of limb position during initial skin marker application on sagittal plane kinematics of the hindlimb. Methods Six healthy dogs (20-30 kg) were evaluated. An established two-dimensional kinematic model of the pelvic limb was utilized to describe sagittal plane motion. Kinematic markers were applied separately for each dog while standing in three different positions: (1) the limb extended cranially, (2) a normal standing limb position and (3) the limb extended caudally. Following marker application at each of the three positions, dynamic gait was recorded at a walk (velocity, 0.9-1.2 m/s; acceleration, 0.5m/s2). Five valid trials were used for comparison. Complete waveform analysis was performed with generalized indicator function analysis (GIFA). Maximum and minimum joint angles and joint range of motion were compared with a one-way repeated measures ANOVA with significance at p < 0.05. Results Significant differences were found between stifle waveforms. No differences were found between the hip or tarsus waveforms. Minimum and maximum joint angles were significantly different for the hip and stifle but not for the tarsus. No differences were found between ranges of motion for any joint evaluated. Clinical Significance Limb position at the time of skin marker application affects gait data and is an important consideration for kinematic analysis of the hindlimb in dogs. PMID- 29202508 TI - Outcome of Repair of Distal Radial and Ulnar Fractures in Dogs Weighing 4 kg or Less Using a 1.5-mm Locking Adaption Plate or 2.0-mm Limited Contact Dynamic Compression Plate. AB - Objectives Retrospective evaluation of repairing distal radial and ulnar fractures in small breed dogs with the Synthes 1.5-mm locking Adaption plate system and compare results in a similar group of patients repaired with the Synthes 2.0-mm limited contact-dynamic compression plate (LC-DCP). Methods Electronic medical records from one specialty referral centre were reviewed from March 21, 2010, to October 9, 2015, for patients weighing less than or equal to 4 kg that had a distal one-third radial and ulnar fracture repaired with a Synthes 1.5-mm locking adaption plate or Synthes 2.0-mm LC-DCP. Further inclusion criteria included application of the plate to the cranial surface of the radius via open reduction and internal fixation. Results Six 1.5-mm Adaption plates and 7 2.0-mm LC-DCPs were used to repair 13 distal radial and ulnar fractures in 12 dogs. There were three major complications in the 1.5-mm adaption plate group (one plate fracture, one screw pull-out and one fracture through a distal screw hole) and one major complication in the 2.0-mm LC-DCP group due to a re-fracture. All patients without a complication had good or excellent functional outcome. Clinical Significance The authors recommend that the 1.5-mm Adaption plate be used only when a 2.0-mm LC-DCP would not allow for a minimum of two screws in the distal segment and at the discretion of the surgeon. PMID- 29202509 TI - Locking T-Plate Repair of Ilial Fractures in Cats and Small Dogs. AB - Objectives To assess screw loosening and pelvic narrowing following the use of locking implants to stabilise ilial body fractures in cats and small dogs. Methods Review of clinical records and post operative and follow up radiography of 12 cats and five small dogs to evaluate accuracy of fracture reduction, screw purchase and subsequent screw loosening and reduction in pelvic diameter. Results No screw loosening or reduction in pelvic diameter was observed at follow up. Clinical Significance Locking T-plates may prevent complications reported following the use of conventional implant systems for the repair of ilial fractures in cats and small dogs. PMID- 29202510 TI - Extraction Method and Analysis of Cannabinoids in Cannabis Olive Oil Preparations. AB - Recently, an increasing number of pharmacists had to supply medicinal products based on Cannabis sativa L. (Cannabaceae), prescribed by physicians to individual patients. Cannabis olive oil preparation is the first choice as a concentrated extract of cannabinoids, even though standardized operative conditions for obtaining it are still not available. In this work, the impact of temperature and extraction time on the concentration of active principles was studied to harmonize the different compounding methods, optimize the extraction process, and reduce the variability among preparations. Moreover, starting from the cannabis inflorescence, the effect of temperature on tetrahydrocannabinolic acid decarboxylation was evaluated. For the analysis, a GC/MS method, as suggested by the Italian Ministry of Health, and a GC/flame ionization detection method were developed, validated, and compared. PMID- 29202512 TI - A Simple and Rapid UPLC-PDA Method for Quality Control of Nardostachys jatamansi. AB - Nardostachys jatamansi is a well-documented herbal agent used to treat digestive and neuropsychiatric disorders in oriental medicinal systems. However, few simple, rapid, and comprehensive methods were reported for quality assessment and control of N. jatamansi. Herein, a UPLC with photodiode array detection method was developed for both fingerprint investigation of N. jatamansi and simultaneous quantitative analysis of the six serotonin transporter modulatory constituents in N. jatamansi. For chromatographic fingerprinting, 24 common peaks were selected as characteristic peaks to assess the consistency of N. jatamansi samples from different retail sources. Six of the common peaks (5, 7, 12: , and 16: - 18: ) were identified as desoxo-narchinol A, buddleoside, isonardosinone, nardosinone, kanshone H, and (-)-aristolone, respectively, by phytochemical investigation. Five of the six compounds significantly either enhanced or inhibited serotonin transporter activity, while (-)-aristolone (18: ) didn't show any serotonin transporter activity. In quantitative analysis, the six compounds showed good linearity (r > 0.999) within test ranges. The precision, expressed as relative standard deviation, was in the range of 0.25 - 2.77%, and the recovery of the method was in the range of 92 - 105%. The UPLC-photodiode array detection-based fingerprint analysis and quantitative methods reported here could be used for routine quality control of N. jatamansi. PMID- 29202511 TI - In Vitro Anti-inflammatory Effects of Equisetum arvense Are Not Solely Mediated by Silica. AB - Equisetum arvense, known as common horsetail, is used for the treatment of inflammatory diseases and is the plant with the highest concentration of silica. Yet it is unknown if the medicinal properties are mediated by its silica content. In the current study, optimal conditions for silica-rich horsetail preparations were identified. Bioactivity of the preparations was analyzed in vitro using flow cytometry-based activity and functionality profiling of primary human lymphocytes as well as cytokine measurement using a classical ELISA technique. Experiments revealed that horsetail preparations suppress activation and proliferation of lymphocytes by an interleukin-2-dependent mechanism. The effect increased with the silica concentration in the decoctions. Lymphocytes' polyfunctionality was also influenced, shown by a downregulation of IFN-gamma. Analytical profiling by HPLC-UV-MS and bioactivity testing revealed relevant immunosuppressive concentrations of a component that has been identified as isoquercitrin. Our results show that both silica and isoquercitrin are active compounds of horsetail preparations. PMID- 29202513 TI - New Pharmacological Opportunities for Betulinic Acid. AB - Betulinic acid is a naturally occurring pentacyclic lupane-type triterpenoid usually isolated from birch trees, but present in many other botanical sources. It is found in different plant organs, both as a free aglycon and as glycosyl derivatives. A wide range of pharmacological activities has been described for this triterpenoid, including antiviral and antitumor effects. In addition, several other interesting properties have been identified in the fields of immunity and metabolism, namely antidiabetic, antihyperlipidemic, and anti inflammatory activities. Taken together, these latter three properties make betulinic acid a highly interesting prospect for treating metabolic syndrome. The present review focuses on the therapeutic potential of this agent, along with several of its semisynthetic derivatives, which could open new frontiers in the use of natural product-based medicines. PMID- 29202515 TI - Recent Progresses in Breast Reconstruction: Stem Cells, Biomaterials, and Growth Factors. AB - Breast cancer is one of the most deadly tumors in women, and new procedures for post- surgical breast reconstruction have been developed which includes autologous stromal vascular fraction (SVF), platelet-derived growth factors, biomaterials and various stem cells. Adipose derived-stem cells (ASCs) has been reported to be one of the most widely used stem cell for breast reconstruction because of their ability to form new functional adipose tissue and vessels and in combination with stromal vascular fraction has been also reported efficient for breast reconstruction. Biomaterials include acellular dermal matrix, bone substitutes, and injectable have also been reported to be applicable for several clinical applications, including breast reconstruction surgery. Nevertheless, further studies are needed to explicitly define methodological procedures and to confirm the safety of all theses procedures during post-surgical breast reconstruction. The purpose of this mini-review is to summarize various recent and old applications of stem cells, biomaterials as well as growth factors in breast reconstruction. PMID- 29202514 TI - Glycyrrhetic Acid Derivative TY501 Protects Against Lithocholic Acid-Induced Cholestasis. AB - The aim of the study is to investigate the protective effects of TY501 against LCA-induced cholestasis in mice and to explore the potential mechanisms. It was demonstrated that TY501(5, 15 or 45 mg/kg, i.g.) can markedly reduced the level of ALT, AST and ALP which increased by LCA treatment. Meanwhile, TY501 also lowered total bile acids, total bilirubin and total cholesterol levels in serum. Furthermore, TY501 can protect HepG2 cell cultures from LCA-induced cytotoxicity. RT-PCR and Western Blot analysis showed that TY501 recovered the expression of BSEP, MRP2 and NTCP which were down-regulated by LCA. Moreover, mRNA and protein of FXR was also observed in TY501 treated mice significantly accumulation in nucleus. Taken together, It can be concluded that TY501 exerted beneficial effects on LCA-induced cholestasis, possibly via activation of FXR mediated upregulation of BSEP, MRP2 and NTCP. PMID- 29202516 TI - [Weighted gene co-expression network analysis in biomedicine research]. AB - High-throughput biological technologies are now widely applied in biology and medicine, allowing scientists to monitor thousands of parameters simultaneously in a specific sample. However, it is still an enormous challenge to mine useful information from high-throughput data. The emergence of network biology provides deeper insights into complex bio-system and reveals the modularity in tissue/cellular networks. Correlation networks are increasingly used in bioinformatics applications. Weighted gene co-expression network analysis (WGCNA) tool can detect clusters of highly correlated genes. Therefore, we systematically reviewed the application of WGCNA in the study of disease diagnosis, pathogenesis and other related fields. First, we introduced principle, workflow, advantages and disadvantages of WGCNA. Second, we presented the application of WGCNA in disease, physiology, drug, evolution and genome annotation. Then, we indicated the application of WGCNA in newly developed high-throughput methods. We hope this review will help to promote the application of WGCNA in biomedicine research. PMID- 29202517 TI - [Advances in isoprene synthase research]. AB - Isoprene emission can lead to significant consequence for atmospheric chemistry. In addition, isoprene is a chemical compound for various industrial applications. In the organisms, isoprene is produced by isoprene synthase that eliminates the pyrophosphate from the dimethylallyl diphosphate. As a key enzyme of isoprene formation, isoprene synthase plays an important role in the process of natural emission and artificial synthesis of isoprene. So far, isoprene synthase has been found in various plants. Isoprene synthases from different sources are of conservative structural and similar biochemical properties. In this review, the biochemical and structural characteristics of isoprene synthases from different sources were compared, the catalytic mechanism of isoprene synthase was discussed, and the perspective application of the enzyme in bioengineering was proposed. PMID- 29202518 TI - [Construction of high-yield strain by optimizing lycopene cyclase for beta carotene production]. AB - To optimize key enzymes, such as to explore the gene resources and to modify the expression level, can maximize metabolic pathways of target products. beta carotene is a terpenoid compound with important application value. Lycopene cyclase (CrtY) is the key enzyme in beta-carotene biosynthesis pathway, catalyzing flavin adenine dinucleotide (FAD)-dependent cyclization reaction and beta-carotene synthesis from lycopene precursor. We optimized lycopene cyclase (CrtY) to improve the synthesis of beta-carotene and determined the effect of CrtY expression on metabolic pathways. Frist, we developed a beta-carotene synthesis module by coexpressing the lycopene beta-cyclase gene crtY with crtEBI module in Escherichia coli. Then we simultaneously optimized the ribosome-binding site (RBS) intensity and the species of crtY using oligo-linker mediated DNA assembly method (OLMA). Five strains with high beta-carotene production capacity were screened out from the OLMA library. The beta-carotene yields of these strains were up to 15.79-18.90 mg/g DCW (Dry cell weight), 65% higher than that of the original strain at shake flask level. The optimal strain CP12 was further identified and evaluated for beta-carotene production at 5 L fermentation level. After process optimization, the final beta-carotene yield could reach to 1.9 g/L. The results of RBS strength and metabolic intermediate analysis indicated that an appropriate expression level of CrtY could be beneficial for the function of the beta-carotene synthesis module. The results of this study provide important insight into the optimization of beta-carotene synthesis pathway in metabolic engineering. PMID- 29202519 TI - [Cloning, expression, purification and structure analysis of protein tyrosine phosphatase of Bombyx mori]. AB - Protein tyrosine phosphatase (PTP, EC 3.1.3.48) specifically catalyzes the removal of phosphate groups from phosphorylated tyrosine residues, resulting in protein dephosphorylation, thus regulates life activities such as cell growth, proliferation, differentiation and immunization. Protein tyrosine phosphatase h of Bombyx mori (BmPTP-h) is involved in the replication of nucleopolyhedrovirus (NPV) in Bombyx mori, but the structure and properties of BmPTP-h are little known so far. In this study, the coding sequence of BmPTP-h gene was cloned from the midgut of Bombyx mori, and its genomic structure, mRNA structure, sequence signature, secondary structure and the state in solution were analyzed. Homologous amino acid sequences alignment analysis indicated that BmPTP-h had a high similarity to PTP sequences of numbers of insect NPVs, implying that they may have a common ancestor and similar function. We constructed a prokaryotic expression vector, expressed and obtained the soluble recombinant BmPTP-h in Escherichia coli at 25 C, and purified BmPTP-h using Ni-NTA affinity chromatography. Gel filtration analysis showed that BmPTP-h was able to form aggregate and monomer in solution. Circular dichroism spectroscopy analysis showed that the recombinant BmPTP-h contained alpha-helix structure. Increasing temperature resulted in the unfolding of the alpha-helix structure of BmPTP-h and the decrease of the alpha-helix structure content of BmPTP-h. These studies provide a basis to better study the structure and regulation mechanism of BmPTP h. PMID- 29202520 TI - [Expression and purification of rabies virus glycoprotein and analysis of its specific binding capacity to memory B cells]. AB - We aimed to express and purify three rabies virus glycoproteins with different tags and sizes. After analyzing their binding function, we wish to obtain a rabies virus glycoprotein with higher affinity and ability to specifically bind memory B cells. Experiments were carried out to express full length, as well as the ectodomain RVG by gene engineering method. Combined with the antibody of CD19 and CD27, the candidate protein labeling with fluorescence was used to analyze its binding function. Flow cytometry was used to detect the anti-rabies virus specific memory B cells in PBMCs, and confirm the binding ability between the candidate proteins and anti-rabies virus-specific memory B cells. We successfully constructed three expression vectors pGEX-5X-1-RVG, pET28a-RVG and pET30a-G. Three glycoproteins GST-RVG, His-RVG and His-G were obtained by optimized expression and purification conditions. The antigen specificity of purified GST RVG, His-RVG and His-G were identified by Western blotting and ELISA. The affinity of these three purified glycoproteins to anti-rabies virus antibody were detected by competitive ELISA. Anti-rabies virus specific memory B cells in positive PBMCs gained from people who had ever been injected with the vaccine can be detected by flow cytometry. Thus, we got a recombinant rabies virus glycoprotein that had high-affinity and could sort antigen specific memory B cells. PMID- 29202521 TI - [Effects of Astragalus polysaccharides on adipogenic differentiation of bone marrow mesenchymal stem cells in low oxygen environment]. AB - To study the effect of Astragalus polysaccharide (APS) on adipogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) cultured in hypoxic environment. The optimal APS concentration, which could promote the proliferation of BMSCs, was screened by methyl thiazolyl tetrazolium method. The concentration was used to intervene in BMSCs-induced by adipogenic differentiation fluid growing in different oxygen concentrations (3%, 6%, 10% and 20%). The formation of lipid droplets in the BMSCs-intervened was observed by oil red O staining under the optical microscope. The mRNA and protein levels of the lipid relating genes peroxisome proliferator activated receptor gamma 2 (PPAR-gamma2) and lipoprotein lipase (LPL) were detected by Real-time PCR and Western blotting, respectively. The results showed that, comparing with the control group, 40 MUg/mL APS could significantly promote the proliferation of BMSCs under low oxygen concentration. A large amount of lipid droplets existed in BMSCs growing in the adipogenic inducing fluid containing 40 MUg/mL APS and the hypoxic environment, and the protein and mRNA levels of PPAR-gamma2 and LPL also raised. It was worth noting that the phenomenon was more significant in 10% oxygen concentration, and the difference was statistically significant (P<0.05). 40 MUg/mL APS had effect on promoting the proliferation and adipogenic differentiation of BMSCs cultured in hypoxic environment, and the effect was related to the concentration of oxygen of BMSCs-cultured. PMID- 29202522 TI - [Establishment of dual reverse phase chromatography combined parallel reaction monitoring for targeted quantitative proteomics]. AB - Steady improvement in mass spectrometers technology has transformed the targeted proteome analysis into a new stage. Parallel reaction monitoring (PRM) technology has evolved from the basic multiple reaction monitoring (MRM) targeted proteomics methods in recent years. PRM performs with a higher sensitivity, throughput and reproducibility in targeted quantification, however its limitations in effectiveness and accurate quantification of samples with higher complexity still remain unsolved. In this study through improving the chromatographic conditions of PRM we established a simple and robust platform for targeted proteomic quantification. The newly established PRM system is equipped with columns with increased inner diameter (150 MUm) and decreased total length (8 cm); faster liquid phase elution rate (800 nL/min) and shortened elution gradient (35 min). These modifications enable PRM platform to combine with dual reverse phase chromatography, to quantify up to 400 low abundance peptides in human 293T cells whole cell extract. Our findings would benefit the promotion of PRM technology, especially providing a technical option for accurate quantification of low abundance proteins. PMID- 29202523 TI - [Preparation of isotope dilution mass spectrometry standards based on glucose pulse]. AB - Isotope Dilution Mass Spectrometry (IDMS) is the most accurate method for high throughput detection of intracellular metabolite concentrations, and the key is getting the corresponding fully uniformly(U) 13C-labeled metabolites to be measured. The conventional procedure for getting fully U 13C-labeled metabolites is through batch cultivation, but intracellular metabolites concentrations by this method are generally low. By applying U 13C-labeled glucose pulse, combined with fast sampling and quenching, mixture of fully U 13C-labeled intracellular metabolites was successfully extracted with higher concentration from Pichia pastoris G/DSEL fed with fully U 13C-labeled glucose as only carbon source. Quantitative results from liquid chromatography tandem mass spectrometry (LC-MS) and gas chromatography tandem mass spectrometry (GC-MS) show that concentrations of organic acids, sugar phosphates, amino acids and nucleotides were 2-10 folds higher than those without glucose pulse. Therefore, the glucose pulse method can efficiently improve the usage of fully U 13C-labeled glucose converting to 13C labeled metabolites, and achieve the detection of intracellular metabolites with lower concentrate than the instrument detection limit. PMID- 29202524 TI - [Effect of PTS modifications on L-tryptophan production in Escherichia coli]. AB - L-tryptophan, one of the aromatic amino acids, is widely used in the fields of medicine, food and feed additives. The phosphoenolpyruvate-carbohydrate phosphotransferase system (PTS) plays an important role in glucose transport and phosphorylation in Escherichia coli. PTS-mediated regulation dominates the carbohydrates' uptake and metabolism in E. coli. We constructed L-tryptophan producing bacteria containing two typical PTS mutations (ptsHIcrrglf- glk+ and ptsG-) by Red homologous recombination system, and studied in 50 L jar fermenter using fed-batch fermentation. Both PTS system mutants had a great impact on the biomass (increasing 47.0% and 17.6%, respectively), L-tryptophan production (increasing 25.9% and 9.4%, respectively), glucose conversion rate (increasing 26.5% and 17.4%, respectively) and byproduct acetic acid generation (slightly increased and decreased,respectively). PMID- 29202525 TI - [Establishment of kinetics digital model for hyaluronate lyase production based on fermentation optimization of Arthrobacter globiformis A152]. AB - In order to produce hyaluronate lyase of high yield, we optimized the fermentation Arthrobacter globiformis A152 in quadruple fermentation of 5 L, and studied the kinetics of fermentation. Both the highest biomass and enzyme activity could be achieved when the rotation speed was 400 r/min and the ventilation volume was 3.5 L/min. In addition, digital models of cell growth, product synthesis and substrate consumption were built by equation of logistic, luedeking-piret, product synthesis and substrate consumption. Nonlinear fitting and estimation of optimal parameters were obtained by MATLAB. The model correlated well between prediction and experimental data, and reflected the change rules of cell growth, hyaluronidase synthesis and substrate consumption during the process of producing hyaluronate lyase. The establishment of fermentation kinetics digital models could provide basis for controlling and prediction of the production process. PMID- 29202526 TI - [Production of L-citrulline by a recombinant Corynebacterium crenatum SYPA 5-5 whole-cell biocatalyst]. AB - Arginine deiminase (ADI) was first high-efficient expressed in Corynebacterium crenatum SYPA 5-5. The ADI was purified by Ni-NTA affinity chromatography and SDS PAGE analysis showed the molecular weight (MW) was 46.8 kDa. The optimal temperature and pH of ADI were 37 C and 6.5 respectively. The Michaelis constant was 12.18 mmol/L and the maximum velocity was 0.36 MUmol/(min.mL). Under optimal conditions, 300 g/L of arginine was transformed and the productivity reach 8 g/(L.h). The recombinant strain was cultivated in a 5-L fermentor and used for whole-cell transformation of 300 g/L arginine, under repeated-batch bioconversion, the cumulative production reached 1 900 g/L. PMID- 29202527 TI - [Right heart function:from backstage to front stage]. PMID- 29202528 TI - [The treatment of chronic lymphocytic leukemia in the new medicine era]. PMID- 29202529 TI - [Characteristics of cognitive function, behavioral and psychological symptoms in patients with Alzheimer's disease versus behavioral variant frontotemporal dementia]. AB - Objective: To compare the differences in cognitive function and behavioral and psychological symptoms between patients with Alzheimer's disease (AD) and behavioral variant frontotemporal dementia (bvFTD). Methods: Thirty-six AD patients and 20 bvFTD patients at mild-to-moderate stage, who were biomarker confirmed by positron emission tomography (PET), were assessed with a neuropsychological battery and neuropsychiatry inventory (NPI). Cognitive domains, including memory, language, information processing speed and executive function, and behavioral and psychological symptoms were assessed and compared. Results: AD patients had lower scores in immediate recall, delayed recall and recognition than bvFTD patients (all P<0.05); while bvFTD patients had poorer performance in language and executive function than AD patients (all P<0.05). The NPI total score was significantly higher in patients with bvFTD compared with patients with AD (17.5+/-5.7 vs 9.3+/-3.5, P<0.05). In respect to the 12 items of NPI, the incidence of agitation and irritability was higher in AD group than in bvFTD group (72.2% vs 35.0%, 55.6% vs 20.0%, all P<0.05); while the incidence of apathy, disinhibition, euphoria, aberrant motor behavior and appetite/eating was higher in bvFTD group than in AD group (65.0% vs 33.3%, 80.0% vs 5.5%, 70.0% vs 5.6%, 40.0% vs 11.1%, 50.0% vs 5.6%, all P<0.05). Conclusion: Comprehensive neuropsychological assessment and evaluation of behavioral and psychological symptoms of patients with dementia are helpful in distinguishing AD from bvFTD. PMID- 29202530 TI - [A comparison between the revision of Atlanta classification and determinant based classification in acute pancreatitis]. AB - Objective: To compare the performance of the revision of Atlanta classification (RAC) and determinant-based classification (DBC) in acute pancreatitis. Methods: Consecutive patients with acute pancreatitis admitted to a single center from January 2001 to January 2015 were retrospectively analyzed. Patients were classified into mild, moderately severe and severe categories based on RAC and were simultaneously classified into mild, moderate, severe and critical grades according to DBC. Disease severity and clinical outcomes were compared between subgroups. The receiver operating curve (ROC) was used to compare the utility of RAC and DBC by calculating the area under curve (AUC). Results: Among 1 120 patients enrolled, organ failure occurred in 343 patients (30.6%) and infected necrosis in 74 patients(6.6%). A total of 63 patients (5.6%) died. Statistically significant difference of disease severity and outcomes was observed between all the subgroups in RAC and DBC (P<0.001). The category of critical acute pancreatitis (with both persistent organ failure and infected necrosis) had the most severe clinical course and the highest mortality (19/31, 61.3%). DBC had a larger AUC (0.73, 95%CI 0.69-0.78) than RAC (0.68, 95%CI 0.65-0.73) in classifying ICU admissions (P=0.031), but both were similar in predicting mortality(P=0.372) and prolonged ICU stay (P=0.266). Conclusions: DBC and RAC perform comparably well in categorizing patients with acute pancreatitis regarding disease severity and clinical outcome. DBC is slightly better than RAC in predicting prolonged hospital stay. Persistent organ failure and infected necrosis are risk factors for poor prognosis and presence of both is associated with the most dismal outcome. PMID- 29202531 TI - [Clinical features of hospitalized patients with deep venous thrombosis]. AB - Objective: To increase the consciousness of incident deep venous thrombosis (DVT) in hospitalized patients. Methods: This is a retrospective study of hospitalized patients with DVT in Beijing Shijitan Hospital from 2007 to 2016. Clinical features of DVT patients who were admitted with no DVT were summarized. The demographic and epidemiological characteristics, involved site of veins, department of patients and risk factors were discussed. Results: A total of 5 063 patients were complicated with DVT from 305 922 inpatients who were without DVT at the admission during past 10 years. Among them, 54.36% (2 752/5 063) were men. The age of the patients was (74.1+/-15.9) years old (range 1-103 years) with 37.78% of them in 80 to 89 age group. The incidence of DVT in the hospital was 1.65%. It increased yearly during the past decade (from 0.50% to 2.74%), and increased with age in patients from 1 to 99 years old (7.32% in 90-99 age group). Totally, 5 204 veins were involved in the patients. Most thrombosis involved inferior vena cava system (96.54%,5 024/5 204), especially deep veins of lower extremity (83.78%,4 360/5 204), some involved portal veins (8.61%,448/5 204) and a little was found in superior venae cava (3.46%, 180/5 204). More DVT patients were in department of internal medicine than those in department of surgery (2.95% vs 0.97%, P<0.01). ICU had the highest rate of DVT among the hospital departments (9.75%). No DVT occurred in department of newborn. Risk factors of DVT were inflammatory diseases (71.54%), age over 75 years old (67.25%), and heart diseases (58.98%). Conclusion: Sensitivity of detection on DVT should be emphasized in hospitalized patients with DVT risk, especially at the department with high incident of DVT. PMID- 29202532 TI - [Premature outflow tract ventricular contraction combined with complete bundle branch block: the characteristic electrocardiographic and ablation target potential features]. AB - Objective: To explore the characteristics of electrocardiogram(ECG) and target potential features of premature ventricular contraction (PVC) in patients with complete left/right bundle branch block (CL/RBBB) and compare with those without CL/RBBB. Methods: A retrospective analysis was done in 8 outflow tract PVC patients with CL/RBBB, who successfully underwent radiofrequency ablation from August 2009 to June 2017. According to the bundle branch block chamber, patients were divided into the complete right bundle branch block (CRBBB) group (n=4) and the complete left bundle branch block (CLBBB) group (n=4). The control group were those who successfully underwent ablation at the same position as the above two groups but without CL/RBBB. The characteristics of ECG and target potential features were compared among groups. Results: One case in the CRBBB group was successfully ablated in the great cardiac vein with precordial R/S>1 transition at V(1) and one case in the CLBBB group was successfully ablated in the right coronary cusp with precordial R/S>1 transition at V(2), while other 6 cases were all with precordial R/S>1 transition at lead V(4). Precordial R/S>1 transition was not later than sinus rhythm (SR) in the CLBBB group. No statistical difference was found in the QRS complex duration between SR and PVC in the CL/RBBB patients [(134.38+/-23.80)ms vs (156.75+/-25.93)ms, P>0.05], while statistical difference was shown in the control group [(92.63+/-5.76)ms vs (140.25+/-15.97)ms, P<0.05]. Conclusion: Bundle branch block can lead to misjudgment of PVC origin with CL/RBBB during sinus rhythm, thus the origin chamber of the PVC should be determined according to the mapping and ablation result. PMID- 29202533 TI - [The clinicopathological characteristics of diabetic nephropathy and non-diabetic renal diseases in diabetic patients]. AB - Objective: To analyze the clinicopathological characteristics of renal lesions in type 2 diabetic patients and to differentiate diabetic nephropathy (DN) from non diabetic renal diseases(NDRD). Methods: Type 2 diabetic patients who received renal biopsy in Ruijin Hospital from January 2011 to December 2015 were recruited in this study. Clinical history, laboratory results and pathological data were retrospectively collected. According to the pathological findings, the patients were divided into 3 groups: DN, NDRD, DN+NDRD. Logistic model was applied to explore the independent clinical predictive factors in differentiating DN from NDRD. Results: A total of 207 type 2 diabetic patients received renal biopsy, accounting for 6.82% of all biopsy population. Fifty-one patients were diagnosed with DN, 142 with NDRD and 14 with both DN and NDRD. In NDRD, membranous nephropathy(MN)(34.5%) was the most common finding, followed by IgA nephropathy(19.7%).By contrast, NDRD patients manifested a shorter diabetic course, a higher baseline hemoglobin level, a lower baseline serum creatinine, a higher prevalence of hematuria, a lower prevalence of hypertension and diabetic retinopathy, a better control of blood glucose, better compliance of monitoring blood glucose and less family history of diabetes. In multivariate logistic model, diabetic family history(OR=4.68, P=0.04) and long history of diabetes(OR=1.01, P=0.02) were risk factors of DN. Conclusion: There is a high prevalence of NDRD in diabetic patients with renal lesions. Family history of diabetes and duration of diabetes are independent predictors of DN. PMID- 29202534 TI - [Investigation of doctors' and nurses' perceptions and implementation of delirium management in intensive care unit]. AB - Objective: To investigate doctors' and nurses' perceptions and implementation of delirium management in intensive care unit. Methods: A total of 197 doctors and nurses in 2 general ICUs and 3 special ICUs at Peking Union Medical College Hospital finished a self-designed questionnaire of delirium management. Results: There were 47 males and 150 females, 43 doctors and 154 nurses who participated in the survey.One hundred and twenty five participators were from general ICU and the others from special ICU. The ICU staff had a significant difference on the perceptions and implementation of delirium management(P< 0.001) including. Doctors and nurses scored lowest in "family engagement and empowerment" and "sleep management" with (4.620+/-2.393) and (5.430+/-2.153) respectively. There was a significant difference between nurses and doctors in the management of analgesia and sedation (P< 0.05).Doctors and nurses from different ICUs had significant discrepancy in the implementation of "delirium assessment" (P< 0.05). Conclusions: The ICU staff should improve the perceptions and the implementation of delirium management,especially in special ICUs. Delirium management should be included as a routine care in ICU to improve patients' outcome. PMID- 29202535 TI - [The safety and efficacy of golimumab in treatment of 25 patients with active ankylosing spondylitis]. AB - Objective: To evaluate the efficacy and safety of golimumab in patients with active ankylosing spondylitis (AS). Methods: This was a randomized, double-blind, placebo-controlled trial. The subjects were randomized to receive either golimumab 50mg subcutaneously or placebo every 4 weeks. Patients in both groups received golimumab 50mg from week 24 to week 48. The primary endpoint was the proportion of at least 20% improvement in the Assessment of Spondyloarthritis International Society (ASAS20) at week 14. The secondary endpoints included at least 40% improvement in the Assessment of Spondyloarthritis International Society (ASAS40), ASAS partial-remission, Bath AS functional index, Bath AS disease activity index, Bath AS metrology index, enthesitis index and Jenkins sleep evaluation questionnaire. Results: A total of 25 subjects were included in this study, 13 with golimumab and 12 with placebo. At Week 14, 6(46.2%) subjects achieved ASAS20 in golimumab group and 2(16.7%) in placebo group. Significant improvements of other efficacy endpoints were also found in golimumab group. Golimumab was safe and well to lerated. Most of the adverse events were slightly impaired liver function, where as elevated aspartate aminotransferase and/or alanine aminotransferase returned to normal without drug with drawal. Conclusion: Golimumab improves AS activity, clinical symptoms and sleep disturbance in patients with active AS with good safety and tolerability. PMID- 29202537 TI - [The clinicopathological characteristics and genetic analysis of a case of late onset glycogen storage disease type II caused by a novel deletion mutation]. PMID- 29202536 TI - [A comparative study of using Brix meter versus ultrasonic monitoring of gastric residual volume in patients with enteral nutrition]. AB - To investigate the accuracy and feasibility of Brix value on monitoring gastric residual volume (GRV) in patients with enteral nutrition. Fifty patients with enteral nutrition via nasogastric tube were enrolled. The GRV was measured by both ultrasonography and Brix value. The results were compared according to the methods. The Pearson correlation coefficients showed that GRV measured by these two ways was positively correlated (r=0.986, P<0.05). Moreover paired sample t test showed that the discrepancy was not statistically significant (P>0.05) between different measurements. The consistency was analyzed by Bland-Altman graph, showing that the two measurements were consistent. Brix value is recommended to measure GRV due to its convenience and easy operation. PMID- 29202538 TI - [Cyclical Cushing syndrome due to pulmonary neuroendocrine tumor: a case report]. PMID- 29202539 TI - [The clinical implications of Todd's paralysis mimicking stroke]. PMID- 29202540 TI - [Cardiac cephalgia]. PMID- 29202541 TI - [Advances on mechanisms and application of granulocyte colony-stimulating factor in treatment of liver failure]. PMID- 29202542 TI - [Advances in myositis-specific autoantibodies]. PMID- 29202543 TI - [Experts consensus on the management of the right heart function in critically ill patients]. AB - To establish the experts consensus on the right heart function management in critically ill patients. The panel of consensus was composed of 30 experts in critical care medicine who are all members of Critical Hemodynamic Therapy Collaboration Group (CHTC Group). Each statement was assessed based on the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) principle. Then the Delphi method was adopted by 52 experts to reassess all the statements. (1) Right heart function is prone to be affected in critically illness, which will result in a auto-exaggerated vicious cycle. (2) Right heart function management is a key step of the hemodynamic therapy in critically ill patients. (3) Fluid resuscitation means the process of fluid therapy through rapid adjustment of intravascular volume aiming to improve tissue perfusion. Reversed fluid resuscitation means reducing volume. (4) The right ventricle afterload should be taken into consideration when using stroke volume variation (SVV) or pulse pressure variation (PPV) to assess fluid responsiveness.(5)Volume overload alone could lead to septal displacement and damage the diastolic function of the left ventricle. (6) The Starling curve of the right ventricle is not the same as the one applied to the left ventricle,the judgement of the different states for the right ventricle is the key of volume management. (7) The alteration of right heart function has its own characteristics, volume assessment and adjustment is an important part of the treatment of right ventricular dysfunction (8) Right ventricular enlargement is the prerequisite for increased cardiac output during reversed fluid resuscitation; Nonetheless, right heart enlargement does not mandate reversed fluid resuscitation.(9)Increased pulmonary vascular resistance induced by a variety of factors could affect right heart function by obstructing the blood flow. (10) When pulmonary hypertension was detected in clinical scenario, the differentiation of critical care-related pulmonary hypertension should be a priority. (11) Attention should be paid to the change of right heart function before and after implementation of mechanical ventilation and adjustment of ventilator parameter. (12) The pulmonary arterial pressure should be monitored timingly when dealing with critical care-related pulmonary hypertension accompanied with circulatory failure.(13) The elevation of pulmonary aterial pressure should be taken into account in critical patients with acute right heart dysfunction. (14) Prone position ventilation is an important measure to reduce pulmonary vascular resistance when treating acute respiratory distress syndrome patients accompanied with acute cor pulmonale. (15) Attention should be paid to right ventricle-pulmonary artery coupling during the management of right heart function. (16) Right ventricular diastolic function is more prone to be affected in critically ill patients, the application of critical ultrasound is more conducive to quantitative assessment of right ventricular diastolic function. (17) As one of the parameters to assess the filling pressure of right heart, central venous pressure can be used to assess right heart diastolic function. (18). The early and prominent manifestation of non-focal cardiac tamponade is right ventricular diastolic involvement, the elevated right atrial pressure should be noticed. (19) The effect of increased intrathoracic pressure on right heart diastolic function should be valued. (20) Ttricuspid annular plane systolic excursion (TAPSE) is an important parameter that reflects right ventricular systolic function, and it is recommended as a general indicator of critically ill patient. (21) Circulation management with right heart protection as the core strategy is the key point of the treatment of acute respiratory distress syndrome. (22) Right heart function involvement after cardiac surgery is very common and should be highly valued. (23) Right ventricular dysfunction should not be considered as a routine excuse for maintaining higher central venous pressure. (24) When left ventricular dilation, attention should be paid to the effect of left ventricle on right ventricular diastolic function. (25) The impact of left ventricular function should be excluded when the contractility of the right ventricle is decreased. (26) When the right heart load increases acutely, the shunt between the left and right heart should be monitored. (27) Attention should be paid to the increase of central venous pressure caused by right ventricular dysfunction and its influence on microcirculation blood flow. (28) When the vasoactive drugs was used to reduce the pressure of pulmonary circulation, different effects on pulmonary and systemic circulation should be evaluated. (29) Right atrial pressure is an important factor affecting venous return. Attention should be paid to the influence of the pressure composition of the right atrium on the venous return. (30) Attention should be paid to the role of the right ventricle in the acute pulmonary edema. (31) Monitoring the difference between the mean systemic filling pressure and the right atrial pressure is helpful to determine whether the infusion increases the venous return. (32) Venous return resistance is often considered to be a insignificant factor that affects venous return, but attention should be paid to the effect of the specific pathophysiological status, such as intrathoracic hypertension, intra-abdominal hypertension and so on. Consensus can promote right heart function management in critically ill patients, optimize hemodynamic therapy, and even affect prognosis. PMID- 29202545 TI - MMP9 Gene Expression Variation by Ingesting Tart Cherry and P-Coumaric Acid During Remyelination in the Cuprizone Mouse Model. AB - Matrix metalloproteinase-9 (GELB) as a member of gelatinases plays key role in the destruction of blood-brain barrier (BBB), T cells migration into the CNS, and demyelination induction. Considering remyelination induction in response to tart cherry extract and pure p-coumaric acid ingestion via tracking MMP9 gene expression in the cuprizone mouse model. Firstly, predicting the chemical interaction between p-coumaric acid and MMP9 protein was conducted through PASS and Swiss dock web services. Next, the content of p-coumaric acid in the tart cherry extract was analyzed by HPLC. Later, mice (male, female) were categorized into two groups: standard, cuprizone. After the demyelination period, mice classified into four groups: standard, natural chow, tart cherry extract, p coumaric acid. Finally, brains were extracted from the skull, and MMP9 gene expression was evaluated by real time RT-PCR. Bioinformatics analysis displayed p coumaric acid has potent inhibitory effect on MMP9 gene expression (Pa=0.818) with estimated DeltaG (kcal/mol) -8.10. In addition, during the demyelination period, MMP9 expression was increased significantly in the male group that is related to myelin destruction. However, MMP9 was declined throughout remyelination in both male and female. It's remarkable that pure p-coumaric acid and tart cherry extract ingestion could decrease the gene expression ratio more than natural chow. According to the results, it's deduced the male mouse is more appropriate gender for demyelination induction via cuprizone. In addition, tart cherry extract and pure p-coumaric acid ingestion could decrease MMP9 gene expression level considerably during remyelination. PMID- 29202544 TI - [The 460th case: lower extremity edema, positive fecal occult blood]. AB - An 61-year-old woman presenting deep vein thrombosis and persistent positive anticardiolipin antibodies was diagnosed as antiphospholipid syndrome and treated with low molecular weight heparin. Before and after anticoagulant therapy, continuous positive fecal occult-blood was found asymptomatically. Colonoscopy confirmed rectal cancer. Antiphospholipid autoantibodies are non-specially positive in some malignances, especially in elder onset patients. Thus, routine screening of malignancies is strongly suggested. PMID- 29202546 TI - Correlation of Minichromosome Maintenance Protein 6 Expression Rate and Clinical Outcome in Patients With Hodgkin's Lymphoma. AB - Minichromosome maintenance complex component 6 (MCM-6) is one of the six proteins of the MCM family, which are involved in the initiation of DNA replication, represents a marker of proliferating cells. The goal of this study was to evaluate the prognostic relevance of the neoplastic cell proliferation rate in patients with Hodgkin's lymphoma (HL). We evaluated the formalin-fixed paraffin embedded lymph node biopsy specimens from 55 patients by using monoclonal antibody against MCM-6 and compared these findings with clinical data and treatment outcome. Median of MCM-6 expression was 85% (range: 35%-99%). In multivariate analysis, MCM-6 expression, B symptoms, and age were not statistically significant predictor for relapse in contrary to response (P=.001) and stage of disease (P=.048). Patients with lower MCM-6 expression rates showed higher relapse rate and lower disease-free survival (DFS). Meanwhile, patients with MCM-6 expression less than 85% showed shorter DFS (P=.031). We hypothesize that in group of patients with lower MCM-6 expression rate, a larger proportion of proliferating malignant cells are arrested in the very early phase of mitosis, in comparison to the group of patients with higher MCM-6 expression, and this could imply a shorter and probably higher relapse rate in the former group. PMID- 29202547 TI - Predictors of Glycemic Response and Change in HbA1c Following Newly Initiated Basal Insulin Among Insulin Naive Adults With Type 2 Diabetes. AB - This sub-analysis of the Iran-AFECT study was to determine the baseline characteristics are predicting the likelihood of attainment of HbA1c goal and changing in HbA1c after initiation of basal insulin glargine in insulin naive people with type 2 diabetes not adequately controlled with oral glucose-lowering drugs. Iran-AFECT was a 24-week, prospective, multicenter, observational study of people with type 2 diabetes initiated or switched to insulin glargine. In this sub-analysis, we included all insulin naive people. Glycemic response was defined as HbA1c<=7.0% and/or change in HbA1c at week 24. Data on 433 participants were included. The mean HbA1c was 8.9%+/-0.9% at baseline which decreased to 7.6%+/ 1.2% (P<0.001). By week 24, 36% of the participants reached HbA1c<=7.0%. In univariate analysis, the strongest association was for the baseline HbA1c (r2=0.32, P<0.001). In multivariate analysis, predictors of change in HbA1c were baseline HbA1c (r2=0.29, P<0.001), and dosing of glargine (r2=0.01, P=0.02). The baseline HbA1c was accounting for 88% of explainable variances in HbA1c. The best cut-off predicting glycemic response for baseline HbA1c was 8.5%. Among factors predicting response to initiating basal insulin therapy with insulin glargine, baseline HbA1c is the strongest predictor explaining most of the variances in HbA1c change. PMID- 29202548 TI - Comparing the Levels of Acute-Phase Reactants Between Smoker and Nonsmoker Diabetic Patients: More Predicted Risk for Cardiovascular Diseases in Smoker Compared to Nonsmoker Diabetics. AB - Due to a close link between cardiovascular disorders and increased acute phase responses, it is now proposed the relation of total sialic acid (TSA) and C Reactive Protein (CRP) as main components of acute phase proteins and cardiovascular risk profiles such as diabetes mellitus and smoking. We hypothesized that the elevation in the level of TSA along with other prototype acute phase reactants such as CRP is expected more in the coexistence of diabetes and smoking than in diabetes mellitus alone. Ninety diabetic patients were randomly selected and entered into this case-control study. Using block randomization method, the patients were randomly assigned into smokers (n=45) and nonsmokers (n=45). A group of ten healthy individuals was also included as the control. The serum levels of TSA, CRP, iron, and hemoglobin were measured by the specific techniques. Comparing laboratory parameters across the three groups indicated significantly higher levels of TSA and CRP in smoker diabetics as compared to non-smoker diabetics and the healthy controls, while there was no difference in other parameters including serum iron and hemoglobin. A significant positive correlation was also revealed between TCA and CRP (r=0.324, P=0.030), but no significant association was found between other parameters. In the background of smoking, increasing the level of both TSA and CRP is predicted more than the existence of diabetes mellitus alone. In fact, the increase in these biomarkers is more predictable in smoker than in nonsmoker diabetics. This finding emphasizes the increased risk for cardiovascular disorders in smoker compared to non-smoker diabetics. PMID- 29202549 TI - Clonidine Sedation Effects in Children During Electroencephalography. AB - It is very important to have proper management in children with Seizure. Electroencephalography (EEG) as a diagnostic instrument has a key role in determining the management method of seizure in children. Because of poor cooperation of some children (especially children with attention deficit hyperactivity disorders and developmental disorders) in performing EEG, it is the best choice to sedate children before EEG. The aim of present study is to evaluate the sedation efficacy of clonidine in children before EEG. In a randomized clinical trial, 45 children age 2 to 12 with seizure, who referred to Children Hospital of Tabriz University of Medical Sciences and candidate for EEG, were studied. Sedation before EEG induced by 0.5 to 2.0 mg clonidine orally. Sedation score (0 to 5) measured by using eyes condition, response to voice, and response to touch. Successful sedation, EEG performing, and hemodynamic stability were evaluated during sedation. Of all patients, 40 patients (88.88%) were sedated successfully, and EEG was performed for all of the children. Mean onset time of clonidine effect was 35.47+/-13.56 minutes and mean time of that the patients' level of consciousness back to the level before administrating of clonidine was 77.55+/-26.87 minutes. Hemodynamic states of all patients were stable during the study, and there were no significant changes in vital sign of patients. In conclusion, clonidine can be considered as a safe alternative medication for sedation for EEG, which is fortunately associated with no significant change in vital signs, which may complicate overall status of patients. PMID- 29202550 TI - The Normal Value of Tibial Tubercle Trochlear Groove Distance in Patients With Normal Knee Examinations Using MRI. AB - Patellar instability is a multifactorial common knee pathology that has a high recurrence rate, and the symptoms continue and ultimately predispose the patient to chondromalacia and osteoarthritis. Tibial tuberosity-trochlear groove distance (TTTG) is very important in the assessment of patellofemoral joint instability. The purpose of this study was to report the normal value of TTTG in males and females in different age groups and to assess the reliability of MRI in measuring TTTG. All patients presenting with knee pain and normal examinations of the knee joint, with a normal MRI report, referring to Shahid Sadoughi hospital of Yazd, Iran, from April 2014 to September 2014, were included in the study. MR images were studied once by two radiologists and for the second time by one radiologist. Mean value of TTTG was reported for males and females and in three age groups. Intra- and inter-observer reliability was calculated. A total of 98 patients were eligible to evaluate during 6 months (68 male and 30 female). Mean TTTG was 10.9+/-2.5 mm in total, which was 10.8+/-2.8 mm and 11.3+/-2.3 mm in males and females, respectively (P>0.05). Mean TTTG in males <=30 years, 30-50 years and, >=51-year-old were 10.8+/-2.6 mm, 10.8+/-2.7 mm, and 10.8+/-2.6 mm, respectively; that was 12.1+/-3.4 mm, 11.4+/-1.9 mm, and 10.5+/-1.7 mm in females <=30 years, 31-50 years and, >=51-year-old, respectively (95% CI). The coefficient of variation was <10% for both intra- and interobserver analysis. The results of the present study showed no significant difference in TTTG value between males and females in different age groups. In addition, it demonstrated that MRI is a reliable method in assessment of TTTG and identified normal value for TTTG at 10.9+/-2.5 mm. PMID- 29202551 TI - Off-Pump Versus On-Pump Coronary Artery Bypass Graft Surgery Outcomes During 6 Years: A Prospective Cohort Study. AB - Given the ongoing controversy over the risks and benefits of on-pump versus off pump coronary artery bypass graft surgery (CABG), we aimed to compare time trends in off- and on-pump CABG long-term outcomes. In this prospective cohort study, the patients who underwent primary isolated non-emergent CABG in Imam Reza Hospital in Mashhad, Iran, in 2006 were followed for 6 years. The patients were contacted to obtain long-term follow-up data such as death, rehospitalization, myocardial infarction, and normal physical activity. The obtained data were analyzed in SPSS software (V: 16) using t-test, Fisher's Exact, chi-square, and Mann-Whitney tests, and relative risk. The significant level was set at P<0.05.The study included 61 patients of whom n=40 (65.6%) underwent off-pump CABG. The mean age of the patients was 59.0+/-11.31 years, and n=43 (70.5%) were men. No significant differences were found between the two groups in terms of outcomes during the 6 years (e.g., death, rehospitalization, myocardial infarction, and normal physical activity). There was 1 (5.0%) death, overall. Risk-adjusted death did not differ significantly between the off-pump and on-pump groups during the 6 years (RR, 0.952; 95% CI 0.866 to 1.048).According to the results, the outcomes were similar between off-pump and on-pump CABG in patients who underwent primary isolated non-emergent CABG during the 6-year follow-up phase. PMID- 29202552 TI - Another Novel Missense Mutation in ARSB Gene in Iran. AB - Mucopolysaccharidosis VI (MPS-VI) is an infrequent autosomal recessive disorder caused by mutations in ARSB gene and deficiency in lysosomal enzyyme ARSB activities subsequently. This enzyme is essential for the breaking of glycosaminoglycans (GAGs) such as dermatan sulfate and chondroitin sulfate. ARSB dysfunction results in imperfect breakdown of GAGs and their accumulation in urine. Mutations in ARSB gene are the main players in MPS-VI disease and its clinical consequences. Most reported mutations are point mutations but there are some other examples in literature. Here we report a novel missense mutation in ARSB gene that is inherited as an autosomal recessive mode and probably explain the clinical status of the proband. This mutation replaces the threonine 92 by proline and alters ARSB structure. This is the most feasible scenario for clinical condition we described here. This novel mutation should be remarked for PND and PGD to improve the health and management of such families. PMID- 29202554 TI - Bowen's Disease Associated With Two Human Papilloma Virus Types. AB - Bowen's disease (BD) is an epidermal in-situ squamous cell carcinoma (SCC). Most Human Papilloma Viruses (HPV)-positive lesions in Bowen's disease are localized to the genital region or distal extremities (periungual sites) in which HPV type 16 is frequently detected. Patient was a 64-year-old construction worker for whom we detected 2 erythematous psoriasiform reticular scaly plaques on peri-umbilical and medial knee. Biopsy established the diagnosis of Bowen's disease and polymerase chain reaction assay showed HPV-6, -18 co-infection. Patient was referred for surgical excision. PMID- 29202553 TI - Extramammary Paget's Disease Associated With Genital Wart and Lichen Sclerosus. AB - Extramammary Paget's disease is an uncommon intraepithelial adenocarcinoma in genital and perianal regions. Genital wart is the most common sexually transmitted disease caused by human papilloma viruses and vulval lichen sclerosus is chronic pruritic dermatitis in genital area which could be able to change to invasive squamous cell carcinoma. We report a patient who had simultaneous lichen sclerosus, genital wart and extramammary Paget's disease of the vulva. We could not find any significant association between them in literature. PMID- 29202555 TI - Drug-Induced by Systemic Lupus Erythematosus Presenting as Recurrent Pericardial Effusion After Mitral Valve Repair. AB - We report a patient presented with recurrent pericardial effusion caused by drug induced systemic lupus Erythematosus (SLE) following mitral valve repair. The surgery was complicated by hemiparesis and convulsion in early postoperative period. The patient had been received carbamazepine for a paroxysmal seizure that occurred following mitral valve repair. The post operative computed tomography showed embolic stroke and its sequel (seizure) that treated with carbamazepine. In the 3rd month of follow-up, however, hemiparesis recovered by physiotherapy but carbamazepine was not discontinued as by request of neurologist. In the 6th month of surgery, the patient admitted by dyspnea and massive pericardial effusion that treated by subxiphoid drainage. This event was re occurred in two times in a short time frame and each event treated by surgical approach. The serologic exam in the last admission revealed drug-induced lupus erythematosus. The carbamazepine as an anti convulsive drug has been described to cause LE like disease in multiple case reports. Laboratory exam exhibited the possibility of carbamazepine-induced lupus in our case, with the extremely rare presentation of recurrent massive pericardial effusion. PMID- 29202556 TI - A Rare Reason of Abnormal Uterine Bleeding. PMID- 29202558 TI - Malar region rejuvenation through non-invasive techniques: hyaluronic acid fillers and lipofilling. AB - Contour enhancements of the midface make up a dominant aspect of aesthetic surgery. The goal of midface rejuvenation is to decrease the prominence of grooves and creases as well as to provide volume to atrophied tissue. There are various options, including autologous tissue grafts, allogenic tissue grafts and alloplastic materials. In turn, patients? needs have led to an increasing trend of less invasive treatments. In the present study, 82 implants were used for midface augmentation in 41 patients (38 women, 3 men) between January 2014 and January 2016. Twenty-five patients were treated with Hyaluronic acid implants while the remaining 16 patients were treated with lipofilling. For both groups and in all cases, good integration of the filled material was observed in the malar region, with no significant treatment complications and the last follow-up visit demonstrated good results and overall satisfaction. Hyaluronic acid fillers and lipofilling are therefore the ideal answer to patients who aim for a natural and immediate result with manageable complications, but, unlike Hyaluronic acid, autologous fat allows us to obtain a long-lasting effect over time, resulting the closest thing to an ideal facial filler. PMID- 29202559 TI - Hyaluronan: an overview. AB - Hyaluronic acid (HA) is a polyanionic natural polymer occurring as a linear polysaccharide composed of glucuronic acid and N-acetylglucosamine repeats. Hyaluronic acid has a wide range of applications with its excellent physicochemical properties such as biodegradability, biocompatibility, non toxicity, non-immunogenicity and serves as an excellent tool in biomedical applications such as osteoarthritis surgery, ocular surgery, plastic surgery, tissue engineering and drug delivery. This work provides an overview on hyaluronic acid, its chemistry and biochemistry and its medical applications. PMID- 29202557 TI - Non-alcoholic fatty liver disease and lifestyle modifications, focusing on physical activity. AB - Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease, and the prevalence of non-alcoholic steatohepatitis (NASH) with fibrosis is increasing as the population with NAFLD ages. To date, lifestyle modifications including weight loss, increased physical activity, and dietary changes remain the treatment of choice for NAFLD because there are no approved effective pharmacologic agents. Increased physical activity has therapeutic effects on NAFLD by reducing hepatic fat independent of weight reduction. Indeed, even minimal physical activity below the recommended threshold may have a beneficial impact on NAFLD. Aerobic activity and resistance training have similar effects on NAFLD. Universal recommendations for the optimal intensity and dose of physical activity have not been established. Therefore, physical activity should be tailored based on a patient's clinical characteristics, comorbidities, and fitness capacity. Physical activity also prevents the development of NAFLD and may represent a valuable strategy for reducing the public health burden. However, there are insufficient data supporting the effects of physical activity on the progression of non-alcoholic fatty liver to NASH with advanced fibrosis, and on extrahepatic disease-related morbidity and mortality. In this paper, we review the role of physical activity in the management of NAFLD. PMID- 29202560 TI - The use of hyaluronic acid in the treatment of shoulder capsulitis: a systematic review. AB - Adhesive capsulitis (AC) is a common pathological condition of the shoulder characterized by painful restriction of range of motion (ROM) of the glenohumeral joint. Currently, no consensus has been reached regarding the best treatment. Hyaluronic acid (HA) injection is a safe procedure that can result in significant improvement in active and passive ROM, alleviating pain and improving shoulder function. We systematically reviewed current literature in order to evaluate the best evidence about the effectiveness of intra-articular HA injection for the treatment of primary AC. We searched Medline, CINAHL, Embase, Google Scholar and Cochrane Library. We selected studies comparing clinical outcomes of patients treated with HA in association or not with conventional therapy. Seven studies were evaluated: 2 uncontrolled randomized studies and 5 prospective randomized clinical trials with level of evidence I. Clinical outcome measures used included, among other, ROM, Visual Analogic Scale (VAS) pain scores, Constant score, Activity of daily living, Shoulder Pain and Disability Index (SPADI), American Shoulder and Elbow Surgeons (ASES) and Japanese Orthopedic Association Score (JOA score). Improvement was noted in terms of ROM, constant scores and pain in patients affected by AC treated with intra-articular HA injections. When compared with cortisone intra-articular injection, HA has equivalent clinical outcomes and ROM. The heterogeneity of treatments used in the studies reviewed, makes it difficult to draw a definite conclusion on the subject. HA injections do not seem to determine the final outcomes directly compared with conventional treatments. However, they could play an important role for early mobilization in the initial stages, during which, due to pain and inflammation, the patient keeps the shoulder immobilized for a long time, determining the direct cause of AC. Numerous variables, including use of lidocaine, different HA and AC stages, could influence the results and deserve to be accounted for in future investigations. PMID- 29202561 TI - Meniscal extrusion as booster of osteoarthritis. AB - Meniscal extrusion (ME) has shown to play a critical but still unclear role in osteoarthritis (OA) development. ME has been described as an important risk factor in the progression of knee OA, as it is involved in the thinning of articular cartilage, joint space narrowing, spontaneous osteonecrosis of the knee and subchondral bone marrow lesions. Meniscal damage of any degree of severity could cause ME in both compartments, but it is commonly associated with severe meniscal tears or root tears mainly in the medial meniscus. Magnetic resonance imaging is the most commonly used imaging modality in the assessment of ME, while ultrasonography may represent a valid alternative with high sensitivity and specificity. Conservative treatment for ME includes physical therapy and rehabilitation to maintain range of motion, corticosteroid injections and intra articular injections of hyaluronic acid to provide short-term relief of knee pain. The goal of this study is to review standards of current diagnosis and treatment of ME and its relationship to knee OA. PMID- 29202562 TI - Intrarticular injections of hyaluronic acid for trapezio-metacarpal osteoarthritis: a systematic review. AB - Osteoarthritis (OA) of the base of the thumb, also known as Trapezio-Metacarpal (TM) OA, is a disabling condition, which mainly affects women and manual workers. When TM OA is not adequately treated, patients develop deformity and loss of function of the thumb. The surgical approach is a widespread strategy to treat this condition, but there is still no consensus on the most effective procedure. Therefore, several conservative strategies are commonly used, such as nonsteroidal anti-inflammatory drugs (NSAIDs) administration, thumb strengthening exercise, splinting, steroid (CS) and hyaluronic acid (HA) intrarticular injections. The present review of the literature aims to summarize the available scientific evidence on the treatment of TM OA with injections of HA. Thirteen studies were included: 7 randomized controlled trials, 5 case series and a case control study. Among these, 5 studies compared HA versus CS injection. Results from most of them reported better outcomes with HA injections in terms of function (strength) and joint motion, while CS injections had greater effect on pain; moreover, CS action was faster but shorter, while HA required more time to obtain a therapeutic benefit and lasted longer. In non-comparative articles, this trend was also confirmed. Indeed, the authors reported an improvement in pain relief up to six months. Similarly, all studies indicated hand function improvement over time, measured though DASH score, pincher and grip strength tests. Available data from included studies show that there is no clear evidence to suggest a treatment with HA injections as the best advisable non-operative treatment for TM OA. However, promising potentials were shown by the randomized controlled trials, suggesting that there is some benefit and less comorbidities with the administration of HA. Further research, such as trials evaluating larger cohorts with validated scores for long-term follow-up, is still necessary. PMID- 29202563 TI - Topical hyaluronic acid in rhinitis medicamentosa: could our perspective be changed? AB - This study was designed to prospectively evaluate the role of nebulized hyaluronic acid (HA) administered for 10 days as treatment for patients with rhinitis medicamentosa (RM). RM is a pathological condition of the nasal mucosa induced by prolonged, excessive or improper use of topical decongestants. It is characterized by persistent nasal congestion that can lead the patient to increase the frequency of application and the quantity of the substance being applied, resulting in dependence on topical nasal decongestants. Twenty-five patients were treated with HA nebulized via Spray-sol twice a day for 10-days (T1) (HA Spray-sol treatment group). Subsequently, after 3 days of washout, patients were treated with physiological saline nebulized via Spray-sol twice a day for 10 days. (T2) (saline Spray-sol treatment group). The HA Spray-sol treatment group (tp) significantly improved visual analogue scale (VAS) scores (T0=6.25+/-1.64 vs T1=3.91+/-1.30; p less than 0.05), whereas there was no statistically significant difference in the saline Spray-sol treatment group (tp) (p>0.05), results confirmed by the anterior active rhinomanometry (AAR) data (HA Spray-sol tp T0=1.193+/-0.83 vs T1=0.44+/-0.25, p less than 0.05; saline Spray sol tp (p>0.05). An improvement in the Global Rhinitis Score (GRS) was recorded in both groups (T0=15.37+/-5.16 vs T1=5.54+/-3.23, p less than 0.05; saline Spray sol tp T0=15.37+/-5.16 vs T2=10. 7+/-5.43; p less than 0.05). Both groups showed a significant reduction in mucosal oedema and nasal secretions. Patients treated with HA Spray-sol reduced or even eliminated (11/25 patients) the use of topical decongestant within 10 days of treatment with HA. The results of this study suggest nebulized topical 9-mg sodium hyaluronate plays a pivotal role in the management of RM. PMID- 29202564 TI - Systematic review: the efficacy of topical hyaluronic acid on oral ulcers. AB - The management of oral ulcers is a challenge for clinicians. Whilst there is widespread use of topical corticosteroids, antibiotics and antimicrobial, there is only weak evidence for the effectiveness of any of the topical treatments. Hyaluronic Acid (HA) has been recently proposed for topical administration in the treatment of oral ulcers and other painful oral lesions. The aim of the study is to systematically review the published literature regarding all the therapeutic effects of HA on painful oral lesions such as oral ulcers and oral lichen planus. Relevant published studies were found in PubMed, Google Scholar and Ovid using a combined keyword search or medical subject headings. At the end of our study selection process, 4 relevant publications were included: two regarding oral lichen planus, one Behcet?s Disease and Recurrent Aphthous ulcer and one in oral ulcers in general. Both subjective parameters such as healing period, VAS for pain and objective assessments such as number of ulcers, maximal area of ulcer and inflammatory signs, significantly improved after HA treatment. These data allow us to suggest that HA may play a pivotal role in the treatment of oral ulcers. PMID- 29202565 TI - The efficacy of topical hyaluronan in rhinosinusitis: a systematic review. AB - Rhinosinusitis is one of the most common inflammatory conditions of the nasal cavity and paranasal sinuses and is one of the most common causes of absence from work and for visits to the family doctor. The treatment strategy in both acute rhinosinusitis (ARS) and chronic rhinosinusitis (CRS) is to reduce the severity of the symptoms, minimize the duration of the disease and prevent complications. Topical therapy has become an important tool in otolaryngologists? armamentarium for rhinosinusitis treatment. Recently, topical hyaluronic acid (HA), the major component of many extracellular matrices that promotes tissue healing, including activation and moderation of the inflammatory responses, cell proliferation, migration and angiogenesis, has been proposed for ARS and CRS adjuvant tool. The aim of the study is to systematically review the published literature regarding all the therapeutic effects of HA on the ARS and CRS. Relevant published studies were found in PubMed, Google Scholar and Ovid, using a combined keyword search or medical subject headings. At the end of our study selection process, 5 relevant publications were included: 2 of them investigated the potential role of HA in reducing symptoms and preventing exacerbations of CRS in adult population, two of them in paediatric patients affected by upper respiratory tract infections and one of them in cystic fibrosis patients with bacterial rhinopharyngitis. Data deriving from the present review of 5 clinical studies showed that the use of topical HA represents a relevant therapeutic advance in rhinosinusitis to minimize symptoms and prevent reacutization with a significant improvement of their quality of life, as it avoids systemic side effects and increases local drug activity. Further studies on larger populations and with new specific nebulization devices for upper airway are needed to confirm these encouraging results. PMID- 29202566 TI - Post-operative nebulized sodium hyaluronate versus spray after functional endoscopic sinus surgery for chronic rhinosinusitis. AB - We prospectively evaluated the efficacy of nebulized Hyaluronic Acid (HA) as an adjuvant treatment to hasten the improvement of nasal respiration and to minimize patients? discomfort in the postoperative functional endoscopic sinus surgery (FESS) for chronic rhino-sinusitis (CRS). We enrolled 33 CRS adult patients who underwent endoscopic functional sinus surgery. They were randomly assigned into two groups: Spray-Sol group (18 patients) with HA nebulized with a new nasal device named Spray-Sol and Spray group (15 patients) with a HA nebulized with a common spray. Both groups were treated twice daily for 4 weeks. CRS questionnaire, Visual analogic scale (VAS) and nasal endoscopy were used to assess the outcomes of the treatments during the 1st month of follow up. The mean VAS score of the Spray-Sol group at 2 weeks was significantly lower than the Spray group (5.2+/-2.1 vs 10.5+/-3.7; p less than 0.05). The VAS score remained significantly lower in the Spray-Sol group also at the 4 weeks (2.9+/-0.8 vs 6.1+/-3.4; p less than 0.05). The CRS score was significantly better at week 2 and 4 in both groups in comparison with baseline values, with better results in the Spray-Sol group. Since the first visit the Spray-Sol group also showed significantly lower crusts, edema and secretions than the Spray group (p less than 0.05). The compliance to treatment was similar in both groups. The results of this prospective study suggest a role nebulized of HA through new device (Spray-sol) as a supportive treatment for faster improvement of nasal respiration, also minimizing patient discomfort, promoting nasal mucosa healing in postoperative FESS for CRS. PMID- 29202567 TI - The use of hyaluronic acid in the treatment of ankle osteoarthritis: a review of the evidence. AB - Ankle osteoarthritis (OA) is a progressive degenerative joint disease that causes ankle pain and functional limitation especially during walking. It tends to involve younger people with high functional request and has often a post traumatic origin. Symptoms control through conservative treatment is essential to procrastinate as long as possible the need for surgery. Although few data are present in literature about the use of local viscosupplementation in ankle OA, their potential use for ankle OA has been suggested. We systematically reviewed literature to evaluate the best evidence about short and long term effectiveness of intra-articular HA injections in the treatment of ankle OA. After having screened titles and abstracts from PubMed, Ovid, Cochrane Reviews, Google Scholar, we identified 14 full text articles and collected the outcome rates of intra-articular cycles of HA injections in patients with symptomatic ankle OA. Only 4 randomized control trials were included. Ankle Osteoarthritis Scales (AOS), American Orthopedic Foot, Ankle Society (AOFAS) clinical rating score, visual analog scales (VAS), Western Ontario and McMaster Universities (WOMAC) OA Index of Pain, Stiffness, and Physical Function Score were most frequently used to evaluate outcomes. Although randomized trials showed scores improvement also in placebo-treated patients, current evidence suggests that viscosupplementation for treatment of ankle OA is a safe and effective method. More randomized controlled trials with a large number of patients that compare not only the different types, dosages and frequency of HA injections, but also the effectiveness of HA versus corticosteroids infiltrations and HA versus other types of conservative treatment are still needed. PMID- 29202568 TI - Hybrid hyaluronic acid versus high molecular weight hyaluronic acid for the treatment of osteoarthritis in obese patients. AB - Osteoarthritis (OA) of the knee is one of the most relevant and debilitating health problems. Obesity represents one of the major risk factor for early development of OA. In the obese population, knee replacement should be delayed and eventually avoided and prefer conservative treatments including intrarticular hyaluronic acid (HA) viscosupplementation. In the present clinical randomized trial, we present a comparison between two groups of 24 obese patients which were randomized to be treated with two intrarticular injections of hybrid (low and high molecular weight) hyaluronic acid (Group A) or two injections of high molecular weight hyaluronic acid (Group B). Patients were followed-up through to 6 months and assessed though IKDC and KOOS scores, pain was evaluated with VAS. All patients reported a significant improvement when compared to baseline value in all outcome measures. At 3-month follow-up, IKDC had significantly improved in patients of Group A, compared to Group B (53.1+/-1.9 vs 51.4+/-2.4, p=0.0079) and the same for KOOS (52.1+/-2.0 vs 50.1+/-2.9, p=0.010). Furthermore, the difference in KOOS was persistently significant at 6-month follow-up (54.7+/-2.3 vs 51.7+/-4.9, p=0.014). The VAS reduced significantly more in Group A at 3 months (3.7+/-0.5 vs 5.2+/-0.7, p less than 0.001). In an obese population, where basal inflammatory pattern increases symptoms of OA and conservative treatment is recommended, HA viscosupplementation improved function and pain of the knee. The treatment with hybrid HA showed better outcomes than high molecular weight HA in obese patients. The combination of the anti-inflammatory action of low molecular weight HA on chondrocytes and the biomechanical role of high molecular weight HA might explain the different results. PMID- 29202569 TI - The use of hyaluronic acid as an adjuvant in the management of gingivitis. AB - Recently, a specifically designed device was proposed that is able to nebulize particles with a diameter of approximately 16 micrometres to be used mainly in the management of diseases of the upper airway respiratory tract. The purpose of this pilot study is to evaluate the potential efficacy of nebulized hyaluronic acid in the management of gingivitis. The results of the statistical analysis demonstrate that there was no difference between the pocket depth as measured in the treated sites at time 0 (pre-treatment) and time 1 (15 days post-treatment). However, the difference between bleeding on probing as measured at time 0 and time 1 indicated an improvement on both sides, with a slightly greater improvement on the side treated with HA. PMID- 29202570 TI - The use of hyaluronic acid as an adjuvant in the management of mucositis. AB - In recent years, with an increase in the number of implants, there has been a related increase in cases of pathologies related to infections around the implant site and on the implant surface i.e. mucositis and peri-implantitis. The purpose of this pilot study is to evaluate the potential efficacy of nebulized hyaluronic acid in the management of mucositis. The results of the statistical analysis demonstrate that there was no difference between the pocket depth as measured in the treated sites at time 0 (pre-treatment) and time 1 (15 days weeks post treatment). However, the difference between bleeding on probing as measured at time 0 and time 1 indicated an improvement on both sides, with a slightly greater improvement on the side treated with HA. PMID- 29202571 TI - The use of hyaluronic acid as an adjuvant in the management of periodontitis. AB - The emollient and restructuring action exerted on the mucous membranes by hyaluronic acid is of particular significance. This is thanks to its reparative (it stimulates angiogenesis) and soothing properties (hyaluronic acid is used in wound care to improve the processes of wound healing), which are effective in treating the symptoms of local inflammation and irritation. The purpose of this clinical trial is to evaluate the potential efficacy of nebulized hyaluronic acid in the management of chronic periodontitis in adults. The results of the statistical analysis demonstrate that there was a slight improvement in the measurement of pocket depth in the side treated with HA at time 0 (pre-treatment) and time 1 (15 days post-treatment). Furthermore, the difference between bleeding on probing as measured at time 0 and time 1 indicated an improvement on both sides, with a slightly greater improvement on the side treated with HA. PMID- 29202572 TI - The use of hyaluronic acid as an adjuvant in the management of peri-implantitis. AB - It is well known in dentistry that there are numerous chronic conditions that require ongoing and constant management over time, the most noteworthy being periodontal disease, gingivitis and periodontitis. Yet, in recent years, with the increase in the number of implants being placed, mucositis and peri-implantitis have become more and more prevalent pathologies. The results of the statistical analysis demonstrate that there was a slight difference between the pocket depth as measured in the treated sites at time 0 (pre-treatment) and time 1 (15 days post-treatment), although the difference was so small as to render it statistically irrelevant. Bleeding on probing as measured at time 0 and time 1 indicated an improvement on both sides, but with no greater improvement noted on the side treated with HA. PMID- 29202573 TI - The use of hyaluronic acid as a support of two different micronized biomaterials in crestal sinus lift procedures. A report on two case studies with volume comparison. AB - In the context of the trans crestal maxillary sinus lift, a wide variety of biomaterials have been used to fill the sub-antral space over the years. The materials that have a pasty consistency and are smooth and free from lumps are the most suitable to come into contact with the Schneiderian membrane which, if torn, cannot perform its graft containment function. In this study, a micronized heterologous bone in a collagen matrix of two different percentages was used in order to fill the maxillary sinus. Before using biomaterial as filler, a spray form of hyaluronic acid was used to disinfect the surgical site before and after the surgery, along with more consistent and pasty form of gel of hyaluronic acid being used in order to facilitate the detachment of the membrane. The surgical procedures were designed and carried out using computer-planned surgery. The filling volume obtained was measured with a comparative software programme and using an ellissoid formula. This technique allows the surgery to be performed in a way that is both minimally traumatic and invasive, fully careful of the membrane and represents a viable alternative to those surgical techniques for crestal sinus lift currently in use. PMID- 29202574 TI - Effect of biostimulation on oral fibroblast: a pilot study. AB - Bio-stimulation is a technique in aesthetic medicine in which different drugs such as nucleotides, antioxidants and glucosaminoglycans precursors are injected in the dermis to improving the anabolic function of dermal fibroblasts, i.e., protein synthesis, replication and production of extracellular matrix components. It can be achieved with multiple intra-dermal injections, using two protocols: 1) Polydeoxyribonucleotide (PDRN) plus glucosamine sulphate (Gluc); 2) N acetylcysteine (NAC) and amino acids (Aa) (named Bio- NAC procedure). Since the role of drugs used in biostimulation on human dermal fibroblasts is not completely understood, the aim of this study is to evaluate the effect of these substances in primary cell cultures by using RT-PCR and a panel of specific genes (ELN, DSP, FN1, FBN1, ITGA1, ITGA2, ITGA5, ITGB1, COL1A1,COL3A1) to detect their effect on cell metabolism and extracellular matrix components. Both the treatments were responsible for Elastine and Desmoplakin genes activation. Only NAC plus Aa treatment enhance the expression of other genes related to tissue growth and elasticity like FBN1, ITGA1 and ITGB1. All the other genes investigated (FN1, ITGA5, ITGA2, COL1A1, COL3A1) were down-regulated by both treatments. Since the precise role of these proteins in tissue integrity and aging is not known, this study confirms the usefulness of biostimulation therapies in enhancing some of the genes responsible of cellular wellbeing. This study could be useful to consider the possibility of injective biostimulation in oral cavity, clinical applications in oral healing and in gingival atrophy as well. PMID- 29202575 TI - Biorevitalization: an in vitro study on gingival fibroblast. AB - Bio-revitalization is a therapy commonly used in aesthetic medicine to improve skin quality by di!rectly integrating hyaluronic acid alone or added to other molecules (i.e. vitamins) through intradermal injections. These injections are not aimed to fill roughness but to achieve extracellular matrix optimi!zation. The injective medical devices used in aesthetic medicine differ for hyaluronic acid content and for the presence of additional molecules that characterize the formulation of a particular company. The aim of the present study is to compare HA with different compounds in regard to their effects on cultured fibroblasts over time by using RT-PCR and a panel of genes (ELN, DSP, FN1, FBN1, ITGA1, ITGA2, ITGA5, ITGB1, COL1A1, COL3A1) involved in connective integrity. Bio revitalization is able to activate genes involved in tissue integrity. The reported data add new insight in the comprehension of molecular mechanism related to BR. These preliminary data have to be developed through additional experiments. However, an injective therapy seems to be effective in gingival fibroblast stimulation. PMID- 29202576 TI - Poisson Model To Generate Isotope Distribution for Biomolecules. AB - We introduce a simplified computational algorithm for computing isotope distributions (relative abundances and masses) of biomolecules. The algorithm is based on Poisson approximation to binomial and multinomial distributions. It leads to a small number of arithmetic operations to compute isotope distributions of molecules. The approach uses three embedded loops to compute the isotope distributions, as compared with the eight embedded loops in exact calculations. The speed improvement is about 3-fold compared to the fast Fourier transformation based isotope calculations, often termed as ultrafast isotope calculation. The approach naturally incorporates the determination of the masses of each molecular isotopomer. It is applicable to high mass accuracy and resolution mass spectrometry data. The application to tryptic peptides in a UniProt protein database revealed that the mass accuracy of the computed isotopomers is better than 1 ppm. Even better mass accuracy (below 1 ppm) is achievable when the method is paired with the exact calculations, which we term a hybrid approach. The algorithms have been implemented in a freely available C/C++ code. PMID- 29202577 TI - All-Graphene-Based Highly Flexible Noncontact Electronic Skin. AB - Noncontact electronic skin (e-skin), which possesses superior long-range and high spatial-resolution sensory properties, is becoming indispensable in fulfilling the emulation of human sensation via prosthetics. Here, we present an advanced design and fabrication of all-graphene-based highly flexible noncontact e-skins by virtue of femtosecond laser direct writing (FsLDW). The photoreduced graphene oxide patterns function as the conductive electrodes, whereas the pristine graphene oxide thin film serves as the sensing layer. The as-fabricated e-skins exhibit high sensitivity, fast response-recovery behavior, good long-term stability, and excellent mechanical robustness. In-depth analysis reveals that the sensing mechanism is attributed to proton and ionic conductivity in the low and high humidity conditions, respectively. By taking the merits of the FsLDW, a 4 * 4 sensing matrix is facilely integrated in a single-step, eco-friendly, and green process. The light-weight and in-plane matrix shows high-spatial-resolution sensing capabilities over a long detection range in a noncontact mode. This study will open up an avenue to innovations in the noncontact e-skins and hold a promise for applications in wearable human-machine interfaces, robotics, and bioelectronics. PMID- 29202578 TI - Label-Free Detection of Microvesicles and Proteins by the Bundling of Gliding Microtubules. AB - Development of miniaturized devices for the rapid and sensitive detection of analyte is crucial for various applications across healthcare, pharmaceutical, environmental, and other industries. Here, we report on the detection of unlabeled analyte by using fluorescently labeled, antibody-conjugated microtubules in a kinesin-1 gliding motility assay. The detection principle is based on the formation of fluorescent supramolecular assemblies of microtubule bundles and spools in the presence of multivalent analytes. We demonstrate the rapid, label-free detection of CD45+ microvesicles derived from leukemia cells. Moreover, we employ our platform for the label-free detection of multivalent proteins at subnanomolar concentrations, as well as for profiling the cross reactivity between commercially available secondary antibodies. As the detection principle is based on the molecular recognition between antigen and antibody, our method can find general application where it identifies any analyte, including clinically relevant microvesicles and proteins. PMID- 29202579 TI - Design and Analysis of Compact DNA Strand Displacement Circuits for Analog Computation Using Autocatalytic Amplifiers. AB - A main goal in DNA computing is to build DNA circuits to compute designated functions using a minimal number of DNA strands. Here, we propose a novel architecture to build compact DNA strand displacement circuits to compute a broad scope of functions in an analog fashion. A circuit by this architecture is composed of three autocatalytic amplifiers, and the amplifiers interact to perform computation. We show DNA circuits to compute functions sqrt(x), ln(x) and exp(x) for x in tunable ranges with simulation results. A key innovation in our architecture, inspired by Napier's use of logarithm transforms to compute square roots on a slide rule, is to make use of autocatalytic amplifiers to do logarithmic and exponential transforms in concentration and time. In particular, we convert from the input that is encoded by the initial concentration of the input DNA strand, to time, and then back again to the output encoded by the concentration of the output DNA strand at equilibrium. This combined use of strand-concentration and time encoding of computational values may have impact on other forms of molecular computation. PMID- 29202580 TI - Morphological Effects of CuO Nanostructures on Fibrillation of Human Serum Albumin. AB - The influence of different morphologies of nanostructures on amyloid fibrillation has been investigated by monitoring the fibrillation of human serum albumin (HSA) in the presence of rod-, sphere-, flower-, and star-shaped copper oxide (CuO) nanostructures. The different morphologies of CuO have been synthesized from an aqueous solution-based precipitation method using various organic acids, viz., acetic acid, citric acid, and tartaric acid. The fibrillation process of HSA has been examined using various biophysical techniques, e.g., Thioflavin T fluorescence, Congo red binding studies through UV spectroscopy, circular dichroism spectroscopy, and fluorescence microscopy. The monolayer protein coverage on the CuO nanostructures has been established through DLS studies, and the well-fitted Langmuir isotherm model has been used to interpret the differential adsorption behavior of HSA molecules on the CuO nanostructures. The nanostar-shaped CuO, by virtue of their higher specific surface area (94.45 m2 g 1), presence of high indexed facets {211} and high positive surface charge potential (+16.2 mV at pH 7.0) was found to show the highest adsorption of the HSA monomers and thus was more competent to inhibit the formation of HSA fibrils compared to the other nanostructures of CuO. PMID- 29202582 TI - Globular, Sponge-like to Layer-like Morphological Transition in 1-n-Alkyl-3 methylimidazolium Octylsulfate Ionic Liquid Homologous Series. AB - Segregation of polar and nonpolar domains in ionic liquids for which either the cation or anion is responsible for inducing nonpolar domains is well understood. On the other hand, information regarding the nanoscale heterogeneities originating due to the presence of nonpolar content on both the ions is rudimentary at this point. The present contribution is aimed at addressing this question and focuses on a molecular dynamics simulation study to probe nanoscale structural and aggregation features of the 1-n-alkyl-3-methylimidazolium [Cnmim] octylsulfate [C8SO4] ionic liquid homologous series (n = 2, 4, 6, 8, 10, and 12). The objective of this work is to determine the effect of increasing alkyl chain length in the cation on nonpolar domain formation, especially when the alkyl chain lengths from both the ions participate in defining such domains. The results indicate that all the ionic liquids form nonpolar domains, morphology of which gradually changes from globular, sponge-like to layer-like structure with increase in the cationic alkyl chain length. The length of the nonpolar domains calculated from the total structure factor for [C10mim][C8SO4] is considerably higher than that reported for other imidazolium-based ionic liquid containing smaller anions. The structure factor for [C12mim][C8SO4] ionic liquid contains multiple intermediate peaks separating the charge alternation peak and pre-peak, which points to nonpolar domains of varying lengths, an observation that remains to be validated. Analysis of the heterogeneous order parameters and orientational correlation functions of the alkyl chains further suggests an increase in the spatial heterogeneity and long-range order along the homologous series. The origin of rich diversity of structures obtained by introducing nonpolar content on both the ions is discussed. PMID- 29202581 TI - Development of a Pigment-Based Whole-Cell Zinc Biosensor for Human Serum. AB - Deficiencies in vitamins and minerals (micronutrients) are a critical global health concern, in part due to logistical difficulties in assessing population micronutrient status. Whole-cell biosensors offer a unique opportunity to address this issue, with the potential to move sample analysis from centralized, resource intensive clinics to minimal-resource, on-site measurement. Here, we present a proof-of-concept whole-cell biosensor in Escherichia coli for detecting zinc, a micronutrient for which deficiencies are a significant public health burden. Importantly, the whole-cell biosensor produces readouts (pigments) that are visible to the naked eye, mitigating the need for measurement equipment and thus increasing feasibility for sensor field-friendliness and affordability at a global scale. Two zinc-responsive promoter/transcription factor systems are used to differentially control production of three distinctly colored pigments in response to zinc levels in culture. We demonstrate strategies for tuning each zinc-responsive system to turn production of the different pigments on and off at different zinc levels, and we demonstrate production of three distinct color regimes over a concentration range relevant to human health. We also demonstrate the ability of the sensor cells to grow and produce pigment when cultured in human serum, the ultimate target matrix for assessing zinc nutritional status. Specifically, we present approaches to overcome innate immune responses that would otherwise hinder bacterial sensor survival, and we demonstrate production of multiple pigment regimes in human serum with different zinc levels. This work provides proof of principle for the development of low-cost, minimal-equipment, field-deployable biosensors for nutritional epidemiology applications. PMID- 29202583 TI - 2018: The 90th Volume of Analytical Chemistry and Still Growing. PMID- 29202584 TI - Treatment of acute portomesenteric venous thrombosis with thrombectomy through a transjugular intrahepatic portosystemic shunt: a single-center experience. AB - Background Acute portomesenteric venous thrombosis (PMVT) is a potentially life threatening condition and urgent treatment is required. Purpose To retrospectively evaluate the efficacy and safety of treating acute PMVT by the creation of a transjugular intrahepatic portosystemic shunt (TIPS) followed by thrombectomy. Material and Methods Six patients (all men, age range = 39-51 years) presenting with acute PMVT were treated with transjugular thrombectomy (TT) through a TIPS created in the same session. The intervention included iterated venography through the TIPS one to three times within the first week after diagnosis and repeated thrombectomy if needed (n = 5). Results Recanalization was successful with persistent blood flow through the main superior mesenteric vein, portal vein, and TIPS in all six patients. Five patients were treated primarily with thrombectomy through a TIPS with clinical improvement. The final patient was initially treated with surgical thrombectomy and bowel resection. TIPS and TT was performed two days after surgery due to re thrombosis but the patient deteriorated and died of multi-organ failure. Procedure-related complications were transient hematuria (n = 3) and transient encephalopathy (n = 2). In-hospital time was <14 days in four of the five patients with primary TIPS and TT. No sign of re-thrombosis was noted during follow-up (mean = 18 months, range = 8-28 months). Conclusion Thrombectomy through a TIPS is feasible and can be effective in recanalization and symptom relief in acute PMVT. PMID- 29202585 TI - Wellness Programs With Financial Incentives Through Disparities Lens. AB - PURPOSE: To examine wellness programs with financial incentives and their effect on disparities in preventive care. DESIGN: Financial incentives were introduced by 15 large employers, from 2010 to 2013. SETTING: Fifteen private employers. SUBJECTS: A total of 299 436 employees and adult dependents. MEASURES: Preventive services and participation in financial incentives. ANALYSIS: Multivariate linear regression. RESULTS: Disparities in preventive services widened after introduction of financial incentives. Asians were 3% more likely and African Americans were 3% less likely to receive wellness rewards than whites and non Hispanics, controlling for other factors. CONCLUSION: Federal law limits targeting of wellness financial incentives by subgroups; thus, employers should consider outreach and culturally appropriate messaging. PMID- 29202586 TI - Pharmacological treatments available for the management of underactive bladder in neurological conditions. AB - INTRODUCTION: Underactive bladder (UAB) is a common cause of lower urinary tract dysfunction which has an increasing incidence with aging. It is characterized as an incompetent detrusor contraction with reduced strength and/or duration to completely empty the bladder. UAB is observed in both men and women. The exact definition, classification, and pathophysiological mechanism responsible for UAB is still debatable, however neurologic, myogenic, and iatrogenic causes are explained. The symptom complex related to UAB includes hesitancy, diminished sensation of bladder filling, a slow urinary stream, increased post-void residue, and etc. Areas covered: We reviewed the current understanding of UAB with special focus on pharmacological treatments and potential pharmacotherapy options particularly in neurological conditions. Also, the definition, etiology, symptoms, diagnosis and management of UAB were discussed in this review. Expert commentary: The underlying mechanism of UAB is not clear yet. Therefore; the lack of efficient pharmacotherapies is evident in such patients. Prior to any decision for pharmacological or surgical interventions, the underlying causes of UAB and detrusor impairment in each patient should be distinguished. Future researches need to address the exact dynamics of detrusor contraction and the muscular and neurological contributors to UAB. PMID- 29202587 TI - Focussing on the foot in psoriatic arthritis: pathology and management options. AB - INTRODUCTION: Psoriatic arthritis (PsA) is a heterogeneous chronic inflammatory arthritis characterised by a range of musculoskeletal conditions including enthesitis, dactylitis and synovitis as well as skin and nail manifestations. The foot is a complex mixture of tissues, all of which can be involved in this disease and is frequently the presenting feature. Areas covered: In this under researched area, articles were reviewed from the authors' publications as well as from other known authors. This review will discuss how PsA affects the foot and ankle with a particular focus on synovitis, tenosynovitis, enthesitis, dactylitis, bone erosion and psoriatic skin and nail disease. The use of imaging is discussed. Conventional radiography is consistently used, however magnetic resonance imaging and ultrasound should be used routinely to diagnose, assess and monitor the disease appropriately. The complex nature of PsA in the foot and ankle should be considered when managing the condition and treatment should be individualized to relieve pain, maintain mobility and improve quality of life. Expert commentary: The foot and ankle remains a neglected area in PsA. Problems with the foot and ankle should be prioritised as they can significantly impact on patients' quality of life. Focussing treatment on the foot and ankle can significantly improve outcome. PMID- 29202588 TI - Therapeutic drug monitoring of anti-TNF therapy in children with inflammatory bowel disease. AB - INTRODUCTION: Although anti-TNF therapy has changed the scenery of pediatric inflammatory bowel diseases (IBD) immensely, there are still patients with an unfortunate outcome. Approximately one third of patients that initially respond to anti-TNF therapy will lose that response over time and need treatment optimization. Loss of response (LOR) is a big concern in IBD management and especially among pediatric patients where treatment options are more limited than in adults. In children it is even more important to sustain response with minimal toxicity. Therapeutic drug monitoring (TDM) is proposed as a tool to reach this goal. Areas covered: This review focuses on the importance of TDM of anti-TNF and the role TDM has in clinical practice of pediatric IBD. Expert opinion: Although TDM is not yet widely used in pediatric IBD, the available literature suggests it to be a promising tool, especially in patients with LOR to anti-TNF. There is increasing evidence that also in children, higher anti-TNF drug levels are associated with sustained response, and likewise low or undetectable trough levels increase the likelihood of LOR. TDM-based treat to target strategies are being designed in adult studies, but more prospective studies also in pediatric IBD populations looking at the role of proactive testing are needed. PMID- 29202589 TI - Interstitial lung disease in systemic autoimmune rheumatic diseases: a comprehensive review. AB - BACKGROUND: Interstitial lung diseases (ILDs) are among the most serious complications associated with systemic rheumatic diseases, and lead to significant morbidity and mortality; they may also be the first manifestation of connective tissue diseases (CTDs). The aim of this narrative review is to summarise the data concerning the pathogenesis of CTD/ILD and its distinguishing features in different rheumatic diseseas. Areas covered: The pathogenesis, clinical aspects and treatment of ILD associated with rheumatic systemic diseases and CTDs were reviewed by searching the PubMed, Medline, and Cochrane Library databases for papers published between 1995 and February 2017 using combinations of words or terms. Articles not written in English were excluded. Expert commentary: The management of CTD-ILD is challenging because of the lack of robust data regarding the treatments used, the heterogeneity of the diseases themselves, and the scarcity of well-defined outcome measures. Treatment decisions are often made clinically on the basis of functional, radiographic progression, and exacerbating factors such as age and the burden of comorbidities. Given the complexities of diagnosis and the paucity of treatment trials, the management of CTD patients with ILD requires multidisciplinary collaboration between rheumatologists and pulmonologists in CTD-ILD clinics. PMID- 29202590 TI - Delayed diagnosis in X-linked agammaglobulinemia and its relationship to the occurrence of mutations in BTK non-kinase domains. AB - BACKGROUND: X-linked agammaglobulinemia (XLA) is characterized by the absence of immunoglobulin and B cells. Patients suffer from recurrent bacterial infections from early childhood, and require lifelong immunoglobulin replacement therapy. Mutations in BTK (Bruton's Tyrosine Kinase) are associated with this phenotype. Some patients that present XLA do not show typical clinical symptoms, resulting in delayed diagnosis due to the lack of a severe phenotype. This study presents a report of five XLA patients from four different families and attempts to determine a relationship between delayed diagnosis and the occurrence of BTK mutations. METHODS: Samples from patients with antibody deficiency were analyzed to determine BTK expression, immunophenotyping and mutation analysis. Clinical and laboratory data was analyzed and presented for each patient. RESULTS: Most patients presented here showed atypical clinical and laboratory data for XLA, including normal IgM, IgG, or IgA levels. Most patients expressed detectable BTK protein. Sequencing of BTK showed that these patients harbored missense mutations in the pleckstrin homology and Src-homology-2 domains. When it was compared to public databases, BTK sequencing exhibited a new change, along with three other previously reported changes. CONCLUSIONS: Delayed diagnosis and atypical manifestations in XLA might be related to mutation type and BTK expression. PMID- 29202592 TI - Infected pulmonary aneurysm following pulmonary artery banding. AB - A 1-month-old girl, diagnosed with a common atrioventricular canal, moderate atrioventricular valvular regurgitation, and pulmonary hypertension, underwent pulmonary artery banding. Postoperatively, methicillin-resistant Staphylococcus aureus wound infection was treated with antibiotics. One month later, emergency surgery was performed for oozing rupture of an infected pulmonary aneurysm. The pulmonary aneurysm was completely resected, the banding tape was removed, and pulmonary angioplasty was performed to create pulmonary stenosis without using foreign material. Methicillin-resistant Staphylococcus aureus was cultured from the resected tissues and banding tape. The patient was discharged after antibiotic administration. Correction was performed at 1 year of age, and she remains well. PMID- 29202591 TI - Venom immunotherapy in patients with allergic reactions to insect stings. AB - INTRODUCTION: Allergy to Hymenoptera (Apis mellifera, Vespula species, Polistes species, Vespa crabro) venom can be safely and effectively treated by venom immunotherapy (VIT), which in the 40 years since its introduction has been able to prevent reactions to stings, and to treatment as well, though systemic reactions, occasionally severe, are possible. Areas covered: We reviewed the recent literature on VIT by searching in PubMed for the terms 'venom immunotherapy' and 'Hymenoptera venom immunotherapy' to highlight the current status of VIT and the likely development in the coming years. Expert commentary: VIT, provided the correct choice of the venom and adequate venom preparations and maintenance doses are used, is a treatment of great value in preventing systemic reactions to Hymenoptera stings. A 5-year duration ensures a prolonged tolerance to stings following VIT discontinuation, unless patients suffer from mastocytosis. In fact, due to reports of fatal reactions after stopping VIT, patients with mastocytosis, or with very severe reactions to stings, need an indefinite duration of treatment. PMID- 29202593 TI - Ipragliflozin and sodium glucose transporter 2 inhibitors to reduce liver fat: will the prize we sought be won? PMID- 29202594 TI - Diagnosing and managing patients with drug hypersensitivity. AB - INTRODUCTION: Diagnosing and managing drug hypersensitivity is challenging because there are no clear limits between different types of drug reactions. Distinguishing between type A (predictable) and type B (hypersensitivity) reactions when a drug is introduced on the market is not easy. When many people use a drug, adverse reactions can occur, conditioned by diverse genetic profiles, viral infections or concomitant therapy. Occasionally the only tool clinicians have on which to base the diagnosis is the clinical history. Skins tests or in vitro tests sometimes have low sensitivity or are unavailable, and drug provocation tests may be dangerous or strictly forbidden in case of severe cutaneous reactions. Areas covered: This paper reviews the diagnosis and management of the two main types of immunological reactions: IgE-mediated immediate drug hypersensitivity reactions (IDHRs) and non-immediate drug hypersensitivity reactions (NIDHRs). Expert commentary: Although Europe and the United States use different diagnostic methods, patients with history of drug hypersensitivity must avoid the suspicious drug, and clinicians must assess tolerance to safe alternatives under medical surveillance. Sometimes desensitization may be required. There is a consensus about the need to perform genetic testing for specific drugs and give patients proper documentation to prevent future exposure to culprit drugs. PMID- 29202595 TI - Biological therapies targeting arrhythmias: are cells and genes the answer? AB - INTRODUCTION: Arrhythmias can cause symptoms ranging from simple dizziness to life-threatening circulatory collapse. Current management includes medical therapy and procedures such as catheter ablation or device implantation. However, these strategies still pose a risk of serious side effects, and some patients remain symptomatic. Advancement in our understanding of how arrhythmias develop on the cellular level has made more targeted approaches possible. In addition, contemporary studies have found that several genes are involved in the pathogenesis of arrhythmias. Areas covered: In the present review, the authors explore the cellular and genetic mechanisms leading to arrhythmias as well as the progress that has been made in using both gene and cell therapy to treat tachy- and bradyarrhythmias. They also consider why gene and cell therapy has resulted into a few clinical trials with promising results, however still not applicable in routine clinical practice. Expert opinion: The question currently is whether such biological therapies could replace current established approaches. The contemporary evidence suggests that despite recent advances in this field, it will need more work in experimental models before this is applied into clinical practice. Gene and cell studies targeting conduction and repolarization are promising, but still not ready for use in the clinical setting. PMID- 29202596 TI - 12-Epi-9-deacetoxyxenicin, new cytotoxic diterpenoid from a Bornean soft coral, Xenia sp. AB - One new compound, 12-epi-9-deacetoxyxenicin (1) along with a hydroperoxide product, 12-epi-9-deacetoxy-8-hydroperoxyxenicin (2) and two known sesquiterpenoids (3-4) were isolated from a population of Bornean soft coral Xenia sp. The structures of these secondary metabolites were elucidated based on their spectroscopic data. Compounds 1 and 2 showed cytotoxic activity against ATL cell line, S1T. In addition, compound 3 exhibited hyphal inhibition of Lagenidium thermophilum. PMID- 29202597 TI - A new diarylheptanoid and a new diarylheptanoid glycoside isolated from the roots of Juglans mandshurica and their anti-inflammatory activities. AB - A new diarylheptanoid, (2S,3S,5S)-2,3,5-trihydroxy-1,7-bis(4-hydroxy- 3 methoxyphenyl)heptane (1), and a new diarylheptanoid glycoside, (2S,3S,5S)-2,3 dihydroxy-5-O-beta-d-xylopyranosyl-7-(4-hydroxy-3-methoxyphenyl)-1-(4 hydroxyphenyl)heptane (2), together with three known compounds, rhoiptelol C (3), rhoiptelol B (4) and 3',4"-epoxy-2-O-beta-d-glucopyanosyl-1-(4-hydroxyphenyl)- 7 (3-methoxyphenyl)heptan-3-one (5) were isolated from the roots of Juglans mandshurica (Juglandaceae). The structures of compounds 1 and 2 were identified based on HR-ESI-MS, 1D and 2D NMR spectroscopic methods. Compounds 1-5 were assayed for their inhibitory effects on the production of NO, TNF-alpha and IL-6 in LPS-stimulated RAW264.7 cells. PMID- 29202598 TI - Speech-language pathologists as determiners of the human right to diversity in communication for school children in the US. AB - Article 19 of the Universal Declaration of Human Rights states that everyone has the right to freedom of opinion and expression - the right to communication. Communication is at the core of the speech-language pathology (SLP) profession. Yet, while we celebrate the 70th anniversary of the Universal Declaration of Human Rights some of our most vulnerable youth are being placed in special education at disproportional rates. School-based SLPs in the United States may be unwittingly contributing to this phenomenon, obstructing the human right to communication because of biased assessment procedures. However, increasing cultural competence, diversifying the profession, and utilising additional assessment measures are actions that can be taken to promote equity in assessment for all children. PMID- 29202599 TI - Bereaved Parents' Health Status During the First 6 Months After Their Child's Death. AB - PURPOSE: To examine bereaved parents' physical, mental, and social health during the first 6 months after their child's (<12 years) death from a life-threatening illness. BACKGROUND AND SIGNIFICANCE: Bereaved parents have higher mortality and morbidity rates when compared to nonbereaved parents. Acute illnesses, hospitalizations, and medication changes are highest in the first 6 months. An understanding of bereaved parents' health risk indicators can help inform development of health promotion and disease prevention measures. Methods and Analysis: A prospective descriptive study examined 8 parent dyads. Parents completed health surveys (Patient-Reported Outcomes Measurement Information System-global, social, and sleep; Brief Symptom Inventory [BSI] 18), which are used to assess parents' health at 3 and 6 months after their child's death. Demographic data included a medical history, hospital or emergency department visits, and smoking and alcohol intake. Descriptive statistics were used to compare parents' scores to US general population scores. FINDINGS: Mothers' and fathers' physical, mental, and sleep health scores were typically within 1 to 2 standard deviations of the population norms. However, their social health scores were as low as 3 standard deviations and all parents' scores were below population norms. Four (25%) of the 16 parents had new diagnosis during the first 6 months. Based on the BSI-18, 3 parents had their scores above population cutoffs, which warranted a need for further clinical evaluation. CONCLUSIONS: Health data highlight the "at-risk" health status of bereaved parents. Further validation of these data is required to support the development of health promotion and disease prevention programs. PMID- 29202600 TI - Structural and functional insight of New Delhi Metallo beta-lactamase-1 variants. AB - New Delhi Metallo beta-lactamase-1 (NDM-1) is a member of the Metallo-beta lactamase family, capable of catalyzing the hydrolysis of all beta-lactam antibiotics. The rapid dissemination of NDM producers, 'superbugs', has become a worldwide concern to health workers. Seventeen different variants of NDM have been reported so far, across the world. These variants varied in their sequences either by single or multiple amino acid substitutions. This review summarizes the crystal structure of NDM and provides a comparative analysis of all variants. Moreover, we have for the first time highlighted the role of alpha-helix, beta sheet and loop structures of NDM enzyme, having different mutations occurred in these regions. The effect of these substitutions on its structure and functional aspect has to be thoroughly understood to design effective inhibitors in future. PMID- 29202601 TI - Hematological Parameters Outperform Plasma Markers in Predicting Long-Term Mortality After Coronary Angiography. AB - High-sensitivity troponin I (hsTnI) and N-terminal pro-brain natriuretic peptide (NT-pro-BNP) are predictors of coronary artery disease. Recently, routine hematological parameters emerged as mortality predictors. We examined the predictive value of hematological parameters (from the Utrecht Patient Oriented Database) and hsTnI and NT-pro-BNP for mortality in a coronary angiography population (Utrecht Coronary Biobank n = 1913). Using Cox regression, receiver operating characteristics, integrated discrimination improvement (IDI), and continuous net reclassification improvement (cNRI) analysis, we compared the predictive properties of hematological parameters with hsTnI and NT-pro-BNP for mortality. During a median follow-up duration of 1.8 years, 77 deaths occurred. A panel of 7 hematological parameters (leukocyte count, reticulocyte mean corpuscular hemoglobin concentration, red blood cell [RBC] green (FL1) fluorescence, %neutrophils, %large [>120 fL] RBCs, %monocytes, and coefficient of variation of neutrophil complexity) was highly predictive. Added to clinical characteristics, hematological parameters (area under the curve [AUC]: 0.855, P < .001; IDI: 0.04, P = .02; cNRI: 0.41, P < .001) were better predictors than hsTnI (AUC: 0.818) or NT-pro-BNP (AUC: 0.834) alone or combined (AUC: 0.834). Hematological parameters may provide mortality risk information following coronary angiography and may be superior to hsTnI and/or NT-pro-BNP. PMID- 29202602 TI - Clinical significance of serum anti-GM-CSF autoantibody levels in autoimmune pulmonary alveolar proteinosis. AB - AIM: Precise clinical significance of antigranulocyte-macrophage colony stimulating factor (GM-CSF) autoantibody levels in autoimmune pulmonary alveolar proteinosis (aPAP) has not been well studied. METHODS: We obtained sera from 50 healthy controls, 46 aPAP patients, 50 with sarcoidosis, 52 with idiopathic interstitial pneumonia and 75 with pneumoconiosis. The clinical course of aPAP patients was assessed by scoring computed tomography images in 19 patients. RESULTS: The cut-off level of anti-GM-CSF IgG for discrimination between aPAP and other diffuse lung diseases was 2.8 MUg/ml with 100% sensitivity and 98% specificity. Antibody levels at baseline were significantly lower in the improved group than in the unimproved group (p = 0.008). CONCLUSION: Our results indicate the existence of threshold levels of serum anti-GM-CSF IgG for the development and persistence of aPAP. PMID- 29202603 TI - The Influence of Race on Plasma Thrombin Generation In Healthy Subjects In Singapore. AB - Race is touted as an independent risk factor for venous thromboembolism (VTE), although the basis for this is varied and contentious. Comparison of plasma thrombin generation (TG) using calibrated automated thrombogram (CAT) across races offers a modality that objectively measures global hemostatic function to evaluate this influence. Direct comparative data across races are currently not available. Aim is to establish the influence of race on plasma TG. Sixty normal participants, matched for age and gender, equally representing 4 races-Caucasian, Chinese, Indian, and Malay-were recruited. Thrombin generation parameters (lag time, time to peak, peak, and endogenous thrombin potential [ETP]) in platelet poor plasma were measured using CAT. The mean ETP (standard deviation) for the different races were Caucasians: 1338.18 (194.19) nM.min; Chinese, 1318.91 (108.90) nM.min; Indians, 1389.81 (182.61) nM.min; and Malays, 1436.21 (184.24) nM.min. Caucasians had the longest mean lag time of 2.59 +/- 0.37 seconds; Indians had the highest mean peak of 284.22 +/- 30.74 nM, and Malays had the longest mean time to peak of 5.47 +/- 0.59 seconds. Analysis based on race did not demonstrate any significant difference for all TG parameters. The greatest mean difference of ETP between any 2 races (Malays and Chinese) was 117.30 nM.min (95% confidence interval: -45.86 to 280.46 nM.min) which was within the predefined limit of equivalence. In a cohort of healthy participants, TG mediated by plasma factors is not influenced by race and does not explain the reported racial differences in VTE incidence. For the 4 racial groups studied, the use of separate normal ranges for plasma TG might not be essential. PMID- 29202604 TI - Characterization of Von Willebrand Factor Multimer Structure in Patients With Severe Aortic Stenosis. AB - Acquired von Willebrand syndrome (AVWS) associated with severe aortic stenosis (AS) has been frequently subclassified into a subtype 2A based on the deficiency of high-molecular-weight (HMW) multimers as it is seen in inherited von Willebrand disease (VWD) type 2A. However, the multimeric phenotype of VWD type 2A does not only include an HMW deficiency but also a decrease in intermediate molecular-weight (IMW) multimers and an abnormal inner triplet band pattern. These additional characteristics have not been evaluated in AVWS associated with severe AS. Therefore, we recruited N = 31 consecutive patients with severe AS and performed a high-resolution Western blot with densitometrical band quantification to characterize the von Willebrand factor (VWF) multimeric structure and reevaluate the AVWS subtype classification. Study patients showed an isolated HMW VWF multimer deficiency without additional abnormalities of the IMW portions and the inner triplet structure in 65%. In conclusion, the multimeric pattern of AVWS associated with severe AS does neither resemble that seen in AVWS type 2A nor that seen in inherited VWD type 2A. Therefore, a subclassification into a type 2A should not be used. PMID- 29202605 TI - Toxic Epidermal Necrolysis Spectrum Management at Sunnybrook Health Sciences Centre: Our Multidisciplinary Approach After Review of the Current Evidence. AB - Toxic epidermal necrolysis spectrum (TENS) is a rare yet severe adverse drug reaction associated with a high mortality rate. Beyond supportive care, there is still no established therapy for TENS, although recent meta-analyses and UK guideline recommendations have attempted to offer a review of relevant literature on this difficult topic. As most directed treatments lack clear consensual evidence, care centres often resort to establishing their own strategies. As Canada's largest adult burn centre and the provincial reference centre for most burn patients in Ontario, our team at the Ross Tilley Burn Centre, in collaboration with the Department of Dermatology at Sunnybrook Health Sciences Centre, Toronto, Canada, has managed over 60 confirmed cases of TENS over the past 2 decades. We would like to share our management, experience, and present our treatment protocol that we recently established by a collaborative multidisciplinary team approach to help guide treatment of these complex patients not only in Canada but worldwide. PMID- 29202606 TI - Results From a Pilot Video Intervention to Increase Cervical Cancer Screening in Refugee Women. AB - Many refugee women emigrate from countries with high cervical cancer incidence rates and have low rates of cervical cancer screening both before and after resettlement. Refugee women face many barriers to cervical cancer screening, including limited knowledge of cervical cancer and screening recommendations and cultural and linguistic barriers to being screened. Our pilot study aimed to develop and evaluate educational videos to promote cervical cancer screening among Karen-Burmese and Nepali-Bhutanese refugees, two of the largest groups of refugees arriving to the United States in recent years. We developed culturally tailored narrative videos for each ethnic group. Karen-Burmese and Nepali Bhutanese women ( N = 40) were recruited through community health educators to participate in a pre- and posttest study. We assessed changes in cervical cancer knowledge and intentions to be screened, and satisfaction with the videos. We found that women were significantly more likely to report having heard of a test for cervical cancer and indicated significantly greater intentions to be screened after watching the video. Their knowledge about cervical cancer and screening also improved significantly, and they reported high levels of acceptability with the video. Our results suggest that culturally tailored narrative educational videos were acceptable to the target audiences and may be effective in increasing cervical cancer screening among refugee women. Further research should assess how health care and social service providers could implement video-based interventions to encourage women to be screened for cervical cancer during early resettlement. PMID- 29202607 TI - Anxiety-related symptomatology in young children on the autism spectrum. AB - Anxiety symptomatology is frequently reported in autistic children, and the prevalence of anxiety disorder is estimated at around 40%. However, most studies have focused upon children of age 8 years or above, so little is known about early signs of anxiety in younger children with autism. This study sought to describe anxiety-related symptomatology in 95 5- to 6-year-old autistic children using the Anxiety Scale for Children with Autism Spectrum Disorder. Wide variability was found in levels of symptomatology with the most frequently reported items within the 'uncertainty' subscale and the least frequently reported items in the 'anxious arousal' subscale. Comparisons of those with scores less than or greater than 70 on adaptive behaviour suggests some influence of ability on presentation of anxiety-related symptomatology. PMID- 29202608 TI - Impact of climate and air pollution on acute coronary syndromes: an update from the European Society of Cardiology Congress 2017. PMID- 29202609 TI - The ability of PAM50 risk of recurrence score to predict 10-year distant recurrence in hormone receptor-positive postmenopausal women with special histological subtypes. AB - INTRODUCTION: The Prosigna-PAM50 risk of recurrence (ROR) score has been validated in randomized clinical trials to predict 10-year distant recurrence (DR) in hormone receptor-positive breast cancer. Here, we examine the ability of Prosigna for predicting DR at 10 years in a subgroup of postmenopausal breast cancer patients with special histological subtypes. METHODS: Using the population based Danish Breast Cancer Group database, follow-up data were collected on all patients diagnosed from 2000 to 2003 with estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2) normal breast cancer who by nationwide guidelines were treated with 5 year of endocrine therapy (N = 2558). Among patients with 1 to 3 positive lymph nodes or a tumor size >20 mm, we identified 1570 with invasive ductal carcinoma (IDC) and 89 with special histological subtypes (apocrine, medullary, mucinous, papillary, secretory, tubular, neuroendocrine) who were tested with Prosigna. Fine and Gray models were applied to determine the prognostic value of the Prosigna-PAM50 ROR score for DR special subtypes as compared to IDC. RESULTS: Median follow-up for DR was 9.2 year and for OS 15.2 year. The 10-year DR rate for the special subtypes was 9.2% (95% CI: 4.0% to 17.2%) as compared to 13.7% (95% CI: 11.9% to 15.7%) for IDC. The 10-year OS was 74.2% (95% CI: 63.7% to 82.0%) for the special subtypes and 75.4% (95% CI: 73.2% to 77.4%) for IDC. Prosigna showed a statistical significant association of the continuous ROR score with risk of DR for both IDC and the special subtypes (IDC: p < .0001; special subtypes: p = .01). CONCLUSION: In the present study, we demonstrated that Prosigna-PAM50 continuous ROR score added significant prognostic information for 10-year DR in postmenopausal patients with special subtypes (tumor size >20 mm or 1 to 3 positive lymph nodes) and ER positive, HER2-normal early breast cancer. PMID- 29202610 TI - Occult breast cancer in breast reduction specimens. PMID- 29202611 TI - Aurora kinase A as a possible marker for endocrine resistance in early estrogen receptor positive breast cancer. AB - BACKGROUND: Cell culture studies have disclosed that the mitotic Aurora kinase A is causally involved in both tamoxifen and aromatase inhibitor resistant cell growth and thus may be a potential new marker for endocrine resistance in the clinical setting. MATERIAL AND METHODS: Archival tumor tissue was available from 1323 Danish patients with estrogen receptor (ER) positive primary breast cancer, who participated in the Breast International Group (BIG) 1-98 trial, comparing treatment with tamoxifen and letrozole and both in a sequence. The expression of Aurora A was determined by immunohistochemistry in 980 tumors and semi quantitively scored into three groups; negative/weak, moderate and high. The Aurora A expression levels were compared to other clinico-pathological parameters and outcome, defined as disease-free survival (DFS) and overall survival (OS). RESULTS: High expression of Aurora A was found in 26.9% of patients and moderate in 57.0%. High expression was significantly associated with high malignancy grade and HER2 amplification. High Aurora A expression was significantly more frequent in ductal compared to lobular carcinomas. We found no significant association between Aurora A expression and DFS or OS and no evidence of interaction between Aurora A expression and benefits from tamoxifen versus letrozole. CONCLUSIONS: Aurora A expression in breast tumors was associated with high malignancy grade III and with HER2 amplification. A trend as a prognostic factor for OS was found in patients with high Aurora A expression. No predictive property was observed in this study with early breast cancer. PMID- 29202612 TI - Cone beam computed tomography imaging of superior semicircular canal morphology: a retrospective comparison of cleft lip/palate patients and normal controls. AB - OBJECTIVE: This study evaluated the prevalence and morphological characteristics of the superior semicircular canal (SSCC) in cleft lip and palate (CL/P) patients using cone beam computed tomography (CBCT). MATERIALS AND METHODS: CBCT images of 53 CL/P patients (28 males and 25 females) and a control group of 76 patients (42 males and 34 females) were evaluated. Retrospectively, 258 temporal bone images from 129 patients were evaluated in terms of SSCC morphology and divided into a normal pattern (0.6-1.7 mm in thickness), a papyraceous pattern (<0.5 mm), a thick pattern (>1.8 mm), a pneumatized pattern and dehiscent. The chi-squared test was used to compare differences among semicircular canal dehiscence (SSCD) patterns in the CL/P and control groups; p <= .05 was taken to reflect statistical significance. RESULTS: The characteristics of the SSCC were evaluated on CBCT images in patients with CL/P and controls. In total, 158 (61%) cases were normal (0.6-1.7 mm in thickness), 31 (12%) papyraceous (<0.5 mm), 8 (3%) thick, and 34 (13%) pneumatized. SSCD was observed in 27 (11%) cases. Statistically significant differences between the CL/P and control groups were evident in terms of SSCC morphology (p < .001). CONCLUSIONS: SSCD should be considered if a CL/P patient exhibits a vestibular system deficiency. Oral and maxillofacial radiologists should pay attention to SSCD when interpreting CBCT images. Future studies should use high-level spatial resolution CBCT to focus on cleft site and SSCC morphology in larger patient populations. PMID- 29202613 TI - The effects of infection on severe stroke patients in the neurological intensive care unit in China. AB - OBJECTIVE: To study the effects of infection on severe stroke patients in the neurological intensive care unit and to find the related risk factors for mortality of severe stroke patients. METHODS: We conducted a retrospective study including 343 patients with ischaemic or haemorrhagic stroke and staying for more than 2 patient-days in the neurological intensive care unit at Beijing Chaoyang Hospital from January 2011 to December 2015 to analyse the infection features of patients with severe stroke in the neurological intensive care unit. All analyses were conducted using SPSS 18.0. RESULTS: The mortality rate, hospital staying time and hospital costs between infected and uninfected stroke patients were higher in the infected patients than in the uninfected patients, P < 0.05, and except for the hospital staying time, the mortality rate and hospital costs were both significantly higher in the infected patients. Respiratory tract infection was the most common infection type at all time periods, P < 0.05. However, urinary tract infection increased at 72 h after stroke compared with infection within 72 h after stroke. Blood sugar level, mean arterial pressure, scores of APACHE II, history of stroke, history of heart diseases, infections and respiratory tract infection were significantly different in dead patients compared with the alive patients, P < 0.05. CONCLUSION: Infection can significantly influence the mortality rate and hospital costs of stroke patients, and is an independent risk factor for mortality of stroke patients. PMID- 29202614 TI - Liquid biopsies in gastrointestinal malignancies: when is the big day? AB - INTRODUCTION: Tumor tissue sample is currently the gold standard for diagnosing gastrointestinal cancers, but also for genomic/immune component analyses that can help in the selection of therapy. However, this approach of studying a 'representative' sample of the tumor does not address inherent heterogeneity. Liquid biopsies, mainly represented by circulating tumor cells, circulating tumor DNA, tumor exosomes, and microRNAs, have the potential to assess various biomarkers for early detection of cancer, carrying out genomic/immune profiling for not only selection of appropriate therapy but also to monitor effect of therapy. Areas covered: This review summarizes the current evidence in the literature on liquid biopsies in gastrointestinal cancers concerning diagnosis, prognosis, and response to therapy. The following terms were used in PubMed: 'esophageal', 'gastric', 'colorectal', 'cancer', 'circulating tumor cells', 'circulating tumor DNA', microRNA', 'diagnosis', 'prognosis', 'response', 'resistance'. Expert commentary: Data increasingly supports the potential of liquid biopsies for early detection, selection of therapy, and monitoring response to therapy. One major question is whether assaying various components of the blood would accommodate considerable context-dependent heterogeneity of gastrointestinal tumors. There are many potential strategies to exploit liquid biopsy use. To put them in to perspective, well-designed and meticulous prospective studies will be needed to prove their usefulness. PMID- 29202615 TI - The accuracy of preoperative staging of the axilla in primary breast cancer: a national register based study on behalf of Danish Breast Cancer Group (DBCG). PMID- 29202616 TI - Series: Practical guidance to qualitative research. Part 4: Trustworthiness and publishing. AB - In the course of our supervisory work over the years we have noticed that qualitative research tends to evoke a lot of questions and worries, so-called frequently asked questions (FAQs). This series of four articles intends to provide novice researchers with practical guidance for conducting high-quality qualitative research in primary care. By 'novice' we mean Master's students and junior researchers, as well as experienced quantitative researchers who are engaging in qualitative research for the first time. This series addresses their questions and provides researchers, readers, reviewers and editors with references to criteria and tools for judging the quality of qualitative research papers. The first article provides an introduction to this series. The second article focused on context, research questions and designs. The third article focused on sampling, data collection and analysis. This fourth article addresses FAQs about trustworthiness and publishing. Quality criteria for all qualitative research are credibility, transferability, dependability, and confirmability. Reflexivity is an integral part of ensuring the transparency and quality of qualitative research. Writing a qualitative research article reflects the iterative nature of the qualitative research process: data analysis continues while writing. A qualitative research article is mostly narrative and tends to be longer than a quantitative paper, and sometimes requires a different structure. Editors essentially use the criteria: is it new, is it true, is it relevant? An effective cover letter enhances confidence in the newness, trueness and relevance, and explains why your study required a qualitative design. It provides information about the way you applied quality criteria or a checklist, and you can attach the checklist to the manuscript. PMID- 29202617 TI - Prevalence of polycystic ovary syndrome in Thai University adolescents. AB - Polycystic ovarian syndrome (PCOS) is a common and complex condition characterized by endocrine features and influenced by genetic and environmental factors. In Southeast Asia and Thailand, the prevalence of PCOS is unknown. The aim of this study was to estimate the prevalence of and determine factors associated with PCOS in Thai adolescents. We administered a validated questionnaire to 600 university female participants aged 17-19 years from Mahidol University in Bangkok. Of these, 548 (91.33%) responded and agreed to participate. Two-hundred and seventy-nine girls (50.91%) were identified as likely having PCOS and defined as 'probable cases'. Of those 279 participants, 248 (88.88%) were evaluated further for PCOS using the Rotterdam criteria. A complete history was taken, and a physical examination including trans-abdominal ultrasound was performed. Blood chemistry tests were performed to exclude similar conditions and to investigate potential co-morbidities. The prevalence of PCOS in Thai adolescents was found to be 5.29%. After multivariate analyses, moderate acne was the strongest risk factor for PCOS. The odd ratios (95% confidence interval) for the presence of mild acne, moderate acne, and oligo- or amenorrhea in participants with PCOS were 2.83 (1.01-7.90; p = .47), 31.69 (10.07-99.67; p < .001), and 5.89 (2.42-14.37; p < .001), respectively. PMID- 29202619 TI - Provision of data from the clinical database and of biological material from the tumor bank of the Danish Breast Cancer Cooperative Group 2008-2017. PMID- 29202618 TI - Synovial fluid proteomics in the pursuit of arthritis mediators: An evolving field of novel biomarker discovery. AB - Synovial fluid (SF) is a protein-rich fluid produced into the joint cavity by cells of the synovial membrane. Due to its direct contact with articular cartilage, surfaces of the bone, and the synoviocytes of the inner membrane, it provides a promising reflection of the biochemical state of the joint under varying physiological and pathophysiological conditions. This property of SF has been exploited within numerous studies in search of unique biomarkers of joint pathologies with the ultimate goal of developing minimally invasive clinical assays to detect and/or monitor disease states. Several proteomic methodologies have been employed to mine the SF proteome. From elementary immunoassays to high throughput analyses using mass spectrometry-based techniques, each has demonstrated distinct advantages and disadvantages in the identification and quantification of SF proteins. This review will explore the role of SF in the elucidation of the arthritis proteome and the extent to which high-throughput techniques have facilitated the discovery and validation of protein biomarkers from osteoarthritis (OA), rheumatoid arthritis (RA), psoriatic arthritis (PsA), and juvenile idiopathic arthritis (JIA) patients. PMID- 29202620 TI - Influence of intra-tumoral heterogeneity on the evaluation of BCL2, E-cadherin, EGFR, EMMPRIN, and Ki-67 expression in tissue microarrays from breast cancer. AB - INTRODUCTION: The influence of intra-tumoral heterogeneity on the evaluation of immunohistochemical (IHC) biomarker expression may affect the analytical validity of new biomarkers substantially and hence compromise the clinical utility. The aim of this study was to examine the influence of intra-tumoral heterogeneity as well as inter-observer variability on the evaluation of various IHC markers with potential prognostic impact in breast cancer (BCL2, E-cadherin, EGFR, EMMPRIN and Ki-67). MATERIAL AND METHODS: From each of 27 breast cancer patients, two tumor containing paraffin blocks were chosen. Intra-tumoral heterogeneity was evaluated (1) within a single tumor-containing paraffin block ('intra-block agreement') by comparing information from a central, a peripheral tissue microarray (TMA) core and a whole slide section (WS), (2) between two different tumor-containing blocks from the same primary tumor ('inter-block agreement') by comparing information from TMA cores (central/peripheral) and WS. IHC markers on WS and TMA cores were evaluated by two observers independently, and agreements were estimated by Kappa statistics. RESULTS: For BCL2, E-cadherin and EGFR, an almost perfect intra- and inter-block agreement was found. EMMPRIN and Ki-67 showed a more heterogeneous expression with moderate to substantial intra-block agreements. For both stainings, there was a moderate inter-block agreement that improved slightly for EMMPRIN, when using WS instead of TMA cores. Inter-observer agreements were found to be almost perfect for BCL2, E-cadherin and EGFR (WS: kappa > 0.82, TMAs: kappa > 0.90), substantial for EMMPRIN (kappa > 0.63), but only fair to moderate for Ki 67 (WS: kappa = 0.54, TMAs: kappa = 0.33). CONCLUSIONS: BCL2, E-cadherin and EGFR were found to be homogeneously expressed, whereas EMMPRIN and Ki-67 showed a more pronounced degree of intra-tumoral heterogeneity. The results emphasize the importance of securing the analytical validity of new biomarkers by examining the intra-tumoral heterogeneity of immunohistochemical stainings applied to TMA cores individually in each type of cancer. PMID- 29202621 TI - The clinical database and implementation of treatment guidelines by the Danish Breast Cancer Cooperative Group in 2007-2016. AB - BACKGROUND: Since 40 years, Danish Breast Cancer Cooperative Group (DBCG) has provided comprehensive guidelines for diagnosis and treatment of breast cancer. This population-based analysis aimed to describe the plurality of modifications introduced over the past 10 years in the national Danish guidelines for the management of early breast cancer. By use of the clinical DBCG database we analyze the effectiveness of the implementation of guideline revisions in Denmark. METHODS: From the DBCG guidelines we extracted modifications introduced in 2007-2016 and selected examples regarding surgery, radiotherapy (RT) and systemic treatment. We assessed introduction of modifications from release on the DBCG webpage to change in clinical practice using the DBCG clinical database. RESULTS: Over a 10-year period data from 48,772 patients newly diagnosed with malignant breast tumors were entered into DBCG's clinical database and 42,197 of these patients were diagnosed with an invasive carcinoma following breast conserving surgery (BCS) or mastectomy. More than twenty modifications were introduced in the guidelines. Implementations, based on prospectively collected data, varied widely; exemplified with around one quarter of the patients not treated according to a specific guideline within one year from the introduction, to an almost immediate full implantation. CONCLUSIONS: Modifications of the DBCG guidelines were generally well implemented, but the time to full implementation varied from less than one year up to around five years. Our data is registry based and does not allow a closer analysis of the causes for delay in implementation of guideline modifications. PMID- 29202622 TI - An inter-observer Ki67 reproducibility study applying two different assessment methods: on behalf of the Danish Scientific Committee of Pathology, Danish breast cancer cooperative group (DBCG). AB - INTRODUCTION: In 2011, the St. Gallen Consensus Conference introduced the use of pathology to define the intrinsic breast cancer subtypes by application of immunohistochemical (IHC) surrogate markers ER, PR, HER2 and Ki67 with a specified Ki67 cutoff (>14%) for luminal B-like definition. Reports concerning impaired reproducibility of Ki67 estimation and threshold inconsistency led to the initiation of this quality assurance study (2013-2015). The aim of the study was to investigate inter-observer variation for Ki67 estimation in malignant breast tumors by two different quantification methods (assessment method and count method) including measure of agreement between methods. MATERIAL AND METHODS: Fourteen experienced breast pathologists from 12 pathology departments evaluated 118 slides from a consecutive series of malignant breast tumors. The staining interpretation was performed according to both the Danish and Swedish guidelines. Reproducibility was quantified by intra-class correlation coefficient (ICC) and Lights Kappa with dichotomization of observations at the larger than (>) 20% threshold. The agreement between observations by the two quantification methods was evaluated by Bland-Altman plot. RESULTS: For the fourteen raters the median ranged from 20% to 40% by the assessment method and from 22.5% to 36.5% by the count method. Light's Kappa was 0.664 for observation by the assessment method and 0.649 by the count method. The ICC was 0.82 (95% CI: 0.77-0.86) by the assessment method vs. 0.84 (95% CI: 0.80-0.87) by the count method. CONCLUSION: Although the study in general showed a moderate to good inter-observer agreement according to both ICC and Lights Kappa, still major discrepancies were identified in especially the mid-range of observations. Consequently, for now Ki67 estimation is not implemented in the DBCG treatment algorithm. PMID- 29202624 TI - Breast cancer patient advocacy in Denmark. PMID- 29202623 TI - Nonclinical Development of ANX005: A Humanized Anti-C1q Antibody for Treatment of Autoimmune and Neurodegenerative Diseases. AB - ANX005 is a humanized immunoglobulin G4 recombinant antibody against C1q that inhibits its function as the initiating molecule of the classical complement cascade. The safety and tolerability of ANX005 are currently being evaluated in a phase I trial in healthy volunteers ( www.clinicaltrials.gov Identifier: NCT03010046). Inhibition of C1q can be applied therapeutically in a broad spectrum of diseases, including acute antibody-mediated autoimmune disease, such as Guillain-Barre syndrome (GBS), and in chronic diseases of the central nervous system involving complement-mediated neurodegeneration, such as Alzheimer's disease (AD). To support the clinical development of ANX005, several studies were conducted to assess the pharmacology, pharmacokinetics, and potential toxicity of ANX005. ANX-M1, the murine precursor of ANX005, functionally inhibits the classical complement cascade both in vitro and in vivo, to protect against disease pathology in mouse models of GBS and AD. Toxicology studies with ANX005, itself, showed that intravenous administration once weekly for 4 weeks was well tolerated in rats and monkeys, with no treatment-related adverse findings. Serum levels of ANX005 in monkeys correlate with a reduction in free C1q levels both in the serum and in the cerebrospinal fluid. In summary, ANX005 has shown proof of concept in in vitro and in vivo nonclinical pharmacology models, with no toxicity in the 4-week repeat-dose studies in rats and monkeys. The no observed adverse effect level was 200 mg/kg/dose, which is 200-fold higher than the first-in-human starting dose of 1 mg/kg in healthy volunteers. PMID- 29202625 TI - The relationship between the use of running applications and running-related injuries. AB - OBJECTIVES: Training errors are suggested to be an important cause of running related injuries (RRIs). As most runners train individually, digital coaching using running applications is becoming increasingly popular. However, the quality of these applications is unknown. The aim of the present cross-sectional study was to evaluate the relationship between the use of running applications and RRIs. METHODS: An online questionnaire was used to collect data on running activities of 1,029 runners, their injuries, and the association between the use of running applications and RRIs. Parametric and non-parametric tests for independent samples were used to analyze the baseline characteristics of the participants. Univariate logistic regression analyses and multiple logistic regression analysis (Enter procedure) were used to determine the association between the use of running applications and RRIs, while adjusting for confounding effects. RESULTS: Of all the 1,029 runners included in this study, 31% (n = 319) got injured and 44% (n = 453) used an application in the previous 12 months. Multiple logistic regression analysis showed no statistically significant association between the use of running applications and RRIs. CONCLUSIONS: Based on this study, the use of running applications was not associated with an increased or decreased risk of RRIs. Running applications can be used by runners without any further implications to guide their training activities. However, runners should be aware that the use of predefined running schemes is associated with RRI risk. It is important that following a previous RRI, athletes should be fully recovered before resuming their training sessions as hindrance from a previous RRI is highly associated with the occurrence of a new RRI. PMID- 29202626 TI - A Nurse-Led and Teacher-Assisted Adolescent Healthy Weight Program to Improve Health Behaviors in the School Setting. AB - Adolescents with overweight and obesity are at risk for future health problems. The purpose of this study was to examine the feasibility and initial efficacy of a weight management intervention to help adolescents develop healthy nutrition and physical activity behaviors and improve their anthropometrics. This study used a single-group repeated measures design in a small school in Durham, North Carolina (NC). The intervention consisted of a nurse-led and teacher-assisted nutrition and physical activity education and exercise classes that met twice each week for 45-60 minutes for 7 weeks. Data were collected at Time 1 (baseline), Time 2 (after intervention completion), and Time 3 (after 3 months on their own). Interview feedback, low cost, and successful completion of all planned activities indicated that all stakeholders found the project beneficial and suitable for their school. This study suggests that a weight management intervention for adolescents was feasible in the school setting. PMID- 29202627 TI - Palliative treatment with carboplatin as late line therapy to patients with metastatic breast cancer. PMID- 29202628 TI - "I Kinda Feel Like Wonder Woman": An Interpretative Phenomenological Analysis of Pole Fitness and Positive Body Image. AB - The purpose of this research was to describe and interpret the positive body image experiences of women actively engaged in pole fitness. A total of seven women between the ages of 20 and 36 years participated in semistructured one-on one interviews and follow-up interviews. Participant observation was also used to generate data. Data were analyzed using an interpretative phenomenological analysis approach, and the positive body image experiences of women are represented by five themes: (a) observation and exposure fostering body acceptance, (b) performance promoting self-confidence, (c) personal growth and sexual expression, (d) unconditional community support creates comfort, and (e) body appreciation through physical skill development. Findings suggest that women engaging in pole fitness may experience positive body image, and the words of participants provide insight into the components of pole fitness that may foster positive body image. Pole fitness may provide a unique exercise context whereby women can develop and maintain positive body image. PMID- 29202629 TI - Adequate Muscular Strength May Help to Reduce Risk of Residual-Specific Mortality: Findings From the National Health and Nutrition Examination Survey. AB - OBJECTIVE: Muscular strength has been shown to inversely associate with mortality. The purpose of this study was to examine the association between muscular strength and residual-specific mortality among a national sample of US adults, which has yet to be investigated. Here, residual-specific mortality is identified as deaths not inclusive of the 9 leading causes of death as identified by the International Classification of Diseases, 10th revision. METHODS: Data from the 1999-2002 National Health and Nutrition Examination Survey were used (N = 2171 adults, aged 50-85 y). Participants were followed through 2011, including a median follow-up of 125 months. Lower extremity muscular strength was assessed using maximal isokinetic contractions. RESULTS: After adjusting for all covariates (age, gender, race/ethnicity, body mass index, C-reactive protein, mean arterial pressure, self-report of meeting aerobic-based physical activity guidelines, and physician diagnoses of diabetes), the Cox proportional hazard model demonstrated that for every 25 N increase in lower extremity muscular strength, individuals had a 14% reduced risk of residual-specific death (hazard ratio = 0.86; 95% confidence interval, 0.78-0.96; P = .008). CONCLUSION: Lower body muscular strength is inversely and independently associated with residual specific mortality risk, underscoring the importance of adequate muscular strength to prolong survival. PMID- 29202630 TI - Concurrent new drug prescriptions and prognosis of early breast cancer: studies using the Danish Breast Cancer Group clinical database. AB - BACKGROUND: Myriad reports suggest that frequently used prescription drugs alter the viability of breast cancer cells in pre-clinical studies. Routine use of these drugs, therefore, may impact breast cancer prognosis, and could have important implications for public health. METHODS: The Danish Breast Cancer Group (DBCG) clinical database provides high-quality prospectively collected data on breast cancer diagnosis, treatment, and routine follow-up for breast cancer recurrence. Individual-level linkage of DBCG data to other population-based and medical registries in Denmark, including the Danish National Prescription Registry, has facilitated large population-based pharmacoepidemiology studies. A unique advantage of using DBCG data for such studies is the ability to investigate the association of drugs with breast cancer recurrence rather than breast cancer mortality - which may be misclassified - or all-cause mortality. Here we summarize findings from pharmacoepidemiological studies, based on DBCG data, on the association between routinely used prescription drugs and risk of breast cancer recurrence. RESULTS: Our findings suggest that concurrent use of glucocorticoids, ACE inhibitors, aspirin, NSAIDs, selective COX-2 inhibitors, digoxin, and opioids has little impact on breast cancer recurrence. Similarly, patients who use SSRIs concurrently with tamoxifen treatment are not at increased risk of recurrence. In contrast, post-diagnostic use of simvastatin, a lipophilic statin, correlates with a decreased risk of breast cancer recurrence, providing a rationale for a prospective randomized clinical trial investigating simvastatin as an adjuvant therapy for breast cancer. CONCLUSION: As a whole, findings of pharmacoepidemiological studies based on DBCG data provide reassurance to physicians and healthcare personnel who provide supportive care during and after cancer (including prescriptions for comedications) and to breast cancer survivors for whom the risk of breast cancer recurrence is a major concern. PMID- 29202631 TI - Vaping medical marijuana. PMID- 29202632 TI - Lower age increases the risk of revision for stemmed and resurfacing shoulder hemi arthroplasty. AB - Background and purpose - The number of patients where shoulder hemiarthroplasty (SHA) is an option is still substantial. Descriptive analyses performed by the Swedish Shoulder Arthroplasty Registry (SSAR) showed that while patients receiving SHA designs, i.e. resurfacing hemi (RH) and stemmed hemi (SH), reported similar shoulder functionality and quality of life, the revision rate for RH (12%) was larger than for SH (6.7%); this difference was studied. Patients and methods - All primary SHA (n = 1,140) for OA reported to SSAR between 1999 and 2009 were analyzed regarding risk factors for revision and PROM outcome, 950 shoulders with primary OA (POA), and 190 secondary OA (SOA). Mean age was 67.4 years (SD 10.8). PROM including WOOS and EQ-5D were collected at 5 years, until December 31, 2014. Results - 76/950 prostheses because of POA and 16/190 prosthesis because of SOA were revised. Age at primary surgery was the main factor that influenced the risk of revision, lower age increased the risk of revision, and was also the explanation for the difference between SH and RH. We also found that SH and RH had similar outcomes measured by PROM, but the POA group had higher scores than the SOA group with a clinically relevant difference of 10% in WOOS. Interpretation - The risk of revision for SH and RH is similar when adjusted for age and does not depend on primary diagnosis or sex. A lower age increases the risk of revision. Patients suffering from POA experience better shoulder functionality than SOA patients irrespective of implant type. PMID- 29202633 TI - Arthroscopic management of posterior instability of the shoulder: A systematic review of predictive factors associated with poorer surgical outcomes. AB - INTRODUCTION: We aimed to perform a systematic review to identify factors that may lead to poorer outcomes in arthroscopic surgery for posterior shoulder instability. METHODS: We searched MEDLINE, Embase and the Cochrane Database of Systematic Reviews for 757 unique articles. We eventually included 22 articles. Data were analysed using Review Manager 5.3. RESULTS: The presence of chondral damage was associated with poorer outcomes as reflected in a higher post operative Quick Disabilities of theArm, Shoulder and Hand score (mean difference (MD) = 17.1; 95% confidence interval (CI) = 2.82-31.4; p = 0.02), higher WesternOntario Shoulder Instability (WOSI) index (MD = 468.0; 95% CI = 136.5 799.5; p = 0.006), lower Simple Shoulder Test score (MD = -2.40; 95% CI = -4.34 to -0.46; p = 0.02) and a lower Single Assessment Numeric Evaluation score (MD = 15.4; 95% CI = -30.6 to -0.23; p = 0.05). The presence of previous shoulder surgery was associated with poorer outcomes as depicted by a lower American Shoulder and Elbow Society (ASES) score (MD = -93.1; 95% CI = -96.9 to -89.3; p < 0.0001). The availability of workers' compensation was associated with poorer outcomes as revealed by a lower rate of return to work (odds ratio (OR) = 0.02; 95% CI = 0.00-0.20; p = 0.0008). The presence of additional procedures while performing surgery for posterior shoulder instability was associated with poorer outcomes as reflected by lower ASES scores (MD = -6.70; 95% CI = -8.64 to -4.76; p < 0.0001), higher WOSI index (MD = 63.4; 95% CI = 33.0-93.8; p < 0.0001), lower University of California at Los Angeles (UCLA) scores (MD = -2.30; 95% CI = -2.81 to -1.79; p < 0.0001), higher pain scores (MD = 0.72; 95% CI = 0.39-1.05; p < 0.0001) and higher post-operative instability (MD = 0.80; 95% CI = 0.57-1.03; p < 0.0001). CONCLUSION: The presence of chondral damage, previous shoulder surgery, concomitant surgery and workman's compensation was associated with poorer outcomes for arthroscopic repair of posterior shoulder instability. Further studies should be done to further validate these factors. PMID- 29202634 TI - Energy Cost of Common Physical Activities in Preschoolers. AB - BACKGROUND: To determine the energy cost of common physical activities in preschoolers and to compare it with the Compendium of Energy Expenditure for Youth (CEEY). METHODS: In total, 42 children [age: 4.8 (0.8) y; body mass index: 15.3 (2.0) kg/m2; 22 boys] completed 13 common physical activities covering sedentary to vigorous intensities, while energy expenditure (EE) was measured continuously by indirect calorimetry. Activity-specific metabolic equivalents (AME) were calculated as the EE observed during each single activity divided by the EE during observed rest. Independent t tests were applied to analyze differences between boys and girls and between AME and CEEY. RESULTS: No significant differences in AME were observed between girls and boys. Except for playing hide-and-seek, all indoor activities revealed significantly higher energy costs compared with those stated in the compendium. Significant differences in outdoor activities were found for riding a tricycle [5.67 (95% confidence interval, 4.94-6.4) AME vs 6.2 metabolic equivalents, riding a bike, P < .05] and for fast walking [5.42 (95% confidence interval, 4.84-6.0) AME vs 4.6 metabolic equivalents, P < .05]. CONCLUSIONS: Applying the CEEY to preschoolers will lead to a substantial underestimation of EE. Therefore, we recommend that a CEEY for preschool children be developed if measurement of EE is not feasible. PMID- 29202635 TI - The coupled effect of nucleosome organization on gene transcription level and transcriptional plasticity. AB - Nucleosomes are the fundamental units of eukaryotic chromatin and can modulate the DNA accessibility for transcriptional regulatory elements. Many studies have demonstrated the effect of nucleosome organization on gene transcription level and transcriptional plasticity upon different conditions. Our recent study showed that nucleosome organization also plays an important role in modulating the plasticity of gene transcriptional status in maize. Here, we integrated our findings with previous studies on the role of nucleosome organization in regulation of gene transcription. We highlighted our recent finding that nucleosome organization plays an important role in determining the plasticity of gene transcription, beyond its role in regulating gene transcription level, particularly for intrinsically DNA-encoded nucleosome organization. We also discussed the features of sequence and structure of genes involved in affecting nucleosome organization around genes, as well as the potential mechanisms for overcoming the coupled effect of nucleosome organization on gene transcription level and transcriptional plasticity. PMID- 29202636 TI - Range of motion and ankle injury history association with sex in pediatric and adolescent athletes. AB - BACKGROUND: Ankle sprain is one of the most common musculoskeletal injuries among young athletes, and there remains a gap in the literature regarding susceptibility to such injuries among physically active youth. OBJECTIVE: The primary purpose of this study was to determine the associations between sex, a history of ankle sprain, and ankle range of motion (ROM) in pediatric and adolescent athletes. METHODS: Athletes under the age of 18 years old who presented to a sports injury prevention center underwent ankle ROM measurements including plantarflexion (PF), inversion (IV), and eversion (EV). A two-way analysis of covariance (ANCOVA) was performed to examine effect of sex and a history of ankle sprain on ROMs. Also, a binary logistic regression was performed to investigate variables that are associated with a history of ankle injury. RESULTS: Among 452 pediatric and adolescent athletes [268 females (13.6 +/- 2.3 years old) and 184 males (13.3 +/- 2.5 years old)], 128 reported a history of previous ankle sprain. Females demonstrated significantly increased ROMs (PF and IV bilaterally, and right EV) compared to males while there was no effect of a history of ankle sprain on ROMs. Female sex was independently associated with a history of ankle sprain. CONCLUSION: There was a strong effect of female sex on ROMs rather than a history of ankle injury history. Additionally, pediatric and adolescent females have greater odds of a history of ankle sprain when compared to their male counterparts. PMID- 29202637 TI - Methods for Handling Unobserved Covariates in a Bayesian Update of a Cost effectiveness Model. AB - Health economic decision models often involve a wide-ranging and complicated synthesis of evidence from a number of sources, making design and implementation of such models resource-heavy. When new data become available and reassessment of treatment recommendations is warranted, it may be more efficient to perform a Bayesian update of an existing model than to construct a new model. If the existing model depends on many, possibly correlated, covariates, then an update may produce biased estimates of model parameters if some of these covariates are completely absent from the new data. Motivated by the need to update a cost effectiveness analysis comparing diagnostic strategies for coronary heart disease, this study develops methods to overcome this obstacle by either introducing additional data or using results from previous studies. We outline a framework to handle unobserved covariates, and use our motivating example to illustrate both the flexibility of the proposed methods and some potential difficulties in applying them. PMID- 29202638 TI - A Systematic Scoping Review of Engagement in Physical Activity Among LGBTQ+ Adults. AB - BACKGROUND: LGBTQ+ (lesbian, gay, bisexual, transgender, queer, etc) persons are subject to elevated rates of chronic diseases and health concerns that can be addressed through regular participation in physical activity. However, LGBTQ+ adults experience unique challenges to engaging in physical activity. Subsequently, the aim of this study is to describe the dominant narratives related to the complex intersection of sexual orientation, gender identity, and physical activity. METHODS: A systematic search and scoping review of existing literature was conducted in June 2016. Studies were identified by searching 9 electronic databases. Data were then extracted, summarized, and organized by LGBTQ+ subgroups. Conceptual maps of prominent narratives were created. RESULTS: Separate narratives were identified for sexual minority men and women. The dominant trend for sexual minority men was increased physical activity levels, often motivated by a perceived body ideal of being thin and/or muscular. The dominant trend for sexual minority women was decreased physical activity levels, predicated on a social norm that emphasizes bodily acceptance. CONCLUSIONS: Sexual orientation affects engagement in physical activity differentially by gender. Our findings suggest that physical activity interventions should be targeted to unique subgroups of the LGBTQ+ population. PMID- 29202639 TI - Emotional responding in NSSI: examinations of appraisals of positive and negative emotional stimuli, with and without acute stress. AB - Non-suicidal self-injury (NSSI) is commonly used by young adults to regulate emotional responses. Yet, experimental examination of how people who self-injure appraise and respond to emotional stimuli is limited. We examined appraisals of, and responses to, emotive images in young adults who did and did not self-injure, and assessed whether these were impacted by exposure to a stressor. Study 1 (N = 51) examined whether participants differed in their appraisals of emotional images. Study 2 (N = 78) assessed whether appraisals of images changed after exposure to the Trier Social Stress Test. Ratings of emotional valence and arousal were collected in both studies; skin conductance was measured as an indicator of physiological arousal in Study 2. In Study 1 participants reporting NSSI rated positively valenced images as less pleasant than participants not reporting NSSI. In Study 2, after acute stress, participants reporting NSSI displayed dampened physiological reactions to positive images whereas participants who did not self-injure displayed heightened physiological reactions to these and rated them as more pleasant. Individuals who self-injure seem less able to engage in strategic mood repair after exposure to stress compared to people who do not self-injure. PMID- 29202640 TI - A Comparative Assessment of Implant Site Viability in Humans and Rats. AB - Our long-term objective is to devise methods to improve osteotomy site preparation and, in doing so, facilitate implant osseointegration. As a first step in this process, we developed a standardized oral osteotomy model in ovariectomized rats. There were 2 unique features to this model: first, the rats exhibited an osteopenic phenotype, reminiscent of the bone health that has been reported for the average dental implant patient population. Second, osteotomies were produced in healed tooth extraction sites and therefore represented the placement of most implants in patients. Commercially available drills were then used to produce osteotomies in a patient cohort and in the rat model. Molecular, cellular, and histologic analyses demonstrated a close alignment between the responses of human and rodent alveolar bone to osteotomy site preparation. Most notably in both patients and rats, all drilling tools created a zone of dead and dying osteocytes around the osteotomy. In rat tissues, which could be collected at multiple time points after osteotomy, the fate of the dead alveolar bone was followed. Over the course of a week, osteoclast activity was responsible for resorbing the necrotic bone, which in turn stimulated the deposition of a new bone matrix by osteoblasts. Collectively, these analyses support the use of an ovariectomy surgery rat model to gain insights into the response of human bone to osteotomy site preparation. The data also suggest that reducing the zone of osteocyte death will improve osteotomy site viability, leading to faster new bone formation around implants. PMID- 29202642 TI - Physical Activity Barriers and Facilitators Among US Pacific Islanders and the Feasibility of Using Mobile Technologies for Intervention: A Focus Group Study With Tongan Americans. AB - BACKGROUND: Pacific Islanders experience an elevated risk of health conditions such as obesity and diabetes, which are related to a lack of physical activity (PA). However, little attention has been paid to understanding the determinants of PA and promoting PA among this racial/ethnic group in the United States. METHODS: We conducted focus group discussions with Tongan Americans, one of the major Pacific Islander groups in the United States, to gain a better understanding of their PA participation patterns, their barriers and facilitators, their attitudes toward PA, and their perceptions of how mobile technologies such as smartphones could help increase their PA levels. RESULTS: Results indicate that although the participants understand the various benefits of PA, they do not engage in much leisure-time PA for exercise purposes. A lack of time is cited as an important reason for insufficient PA participation. In addition, most participants report familiarity with smartphones, positive views of mobile technology, and interest in using smartphones to measure and promote PA. CONCLUSION: Multiple barriers were related with the low level of PA among Tongan Americans. Mobile technology is a promising way of enhancing PA among Tongan Americans and potentially other Pacific Islander subgroups. Culturally tailored strategies could significantly enhance the effectiveness of PA intervention. PMID- 29202641 TI - The management and survival outcomes of nasopharyngeal cancer in the Nordic countries. PMID- 29202643 TI - Factor Structure of Responses to the Portuguese Version of Questions About Screen Time-Based Sedentary Behavior Among Adolescents. AB - BACKGROUND: This study aimed to examine the factor structure of responses to the Portuguese version of questions related to screen time-based sedentary behavior among adolescents. METHODS: This cross-sectional study with a sample of 1083 adolescents aged 14-19 years was conducted in Brazil. The sample was randomly divided into 2 groups for an exploratory factor analysis and for a confirmatory factor analysis. Screen time was investigated by a Portuguese version of questions about time sitting in front of television, computer, and video games on weekdays and weekends. RESULTS: Scree plots showed 2 factors with eigenvalues above 1. One factor was formed by items about television and computer use, and the other factor was formed by items about video game use. The exploratory factor analysis with 2 factors resulted in factor loadings above .60. A second model with 1 factor was estimated and resulted in factor loadings above .55. A confirmatory factor analysis was estimated based on the 2-factor exploratory factor analysis and goodness-of-fit statistics were adequate. Confirmatory factor analysis with 1 factor had goodness-of-fit statistics adequate. CONCLUSIONS: The Portuguese language version of self-report screen time had 2 possible factor solutions, and items demonstrated good factor structure with reasonable reliability making it suitable for use in the future studies. PMID- 29202644 TI - Outpatient total hip and knee arthroplasty. AB - As a result of the introduction of fast-track programs, the length of hospital stay after arthroplasty has decreased to a point where some patients meet the discharge criteria on the day of surgery. In several studies, well-established fast-track centers have demonstrated the feasibility of outpatient procedures in selected patients. However, in literature the term "outpatient" is sometimes also used for patients who spend one or more nights in hospital. We therefore propose to use "outpatient" solely for patients who are discharged to their own home on the day of surgery and do not have an overnight stay at either the hospital or another non-home facility. Also, several challenges need to be overcome before this becomes an established procedure. The combination of preoperative high-dose steroids and multimodal opioid-sparing analgesia has enhanced patient recovery after arthroplasty, but efforts to control undesirable pathophysiological responses will be a prerequisite to improve the success rate of an outpatient setting. Also, care must be taken to avoid extra activities or investments solely to enable discharge on the day of surgery. Further cost analyses will have to be performed to establish the true financial benefit of outpatient treatment. PMID- 29202645 TI - Influence of specific comorbidities on survival after early-stage breast cancer. AB - BACKGROUND: While comorbidity indices are useful for describing trends in survival, information on specific comorbidities is needed for the clinician advising the individual breast cancer patient on her treatment. Here we present an analysis of overall survival, breast cancer-specific mortality, and effect of medical adjuvant treatment among breast cancer patients suffering from 12 major comorbidities compared with breast cancer patients without comorbidities. MATERIAL AND METHODS: The study population was identified from the Danish Breast Cancer Cooperative Group and included 59,673 women without prior cancer diagnosed with early-stage breast cancer in Denmark from 1990 to 2008 with an estimated median potential follow-up of 14 years and 10 months. Information on comorbidity and causes of death was derived from population-based registries. Multivariable proportional hazards regression models were used to assess the effect of comorbidities on mortality, all-cause and breast cancer specific, using patients without comorbidity as reference. RESULTS: At breast cancer diagnosis, 16% of patients had comorbidities and 84% did not. Compared with the latter, the risk of dying from all causes was significantly increased for all types of comorbidity, but the risk of dying from breast cancer was significantly increased only for peripheral vascular disease, dementia, chronic pulmonary disease, liver, and renal diseases. Comorbidities diagnosed within 5 years of breast cancer diagnosis correlated with a greater risk of dying than comorbidities diagnosed more than 5 years before breast cancer diagnosis. With a few exceptions, the effect of adjuvant treatment on breast cancer mortality was similar among patients with and without comorbidity. CONCLUSION: Breast cancer mortality was not significantly elevated for patients with prior myocardial infarction, congestive heart failure, cerebrovascular disease, connective tissue disease, ulcer disease, and diabetes. The similar effect of adjuvant treatment in patients with and without comorbidity underlines the importance of adhering to guideline therapy. PMID- 29202646 TI - Submucosal Diclofenac for Acute Postoperative Pain in Third Molar Surgery: A Randomized, Controlled Clinical Trial. AB - Diclofenac sodium is a widely used nonsteroidal anti-inflammatory drug (NSAID) for relief of inflammatory pain. A recent formulation combines this drug with hydroxypropyl-beta-cyclodextrin (HPbetaCD) to improve its solubility and to enable subcutaneous administration. Previous studies confirmed the efficacy of this combination. This study's aim was to evaluate the efficacy, safety, and local tolerability of diclofenac HPbetaCD administered as a local submucosal injection prior to lower third molar surgery. We conducted a prospective, randomized, double-blind, placebo-controlled, parallel-group phase II single center study. Seventy-five patients requiring mandibular third molar surgery were randomized into 1 of 5 groups: 5 mg/1 mL diclofenac HPbetaCD, 12.5 mg/1 mL diclofenac HPbetaCD, 25 mg/1 mL diclofenac HPbetaCD, 50 mg/1 mL diclofenac HPbetaCD, or 1 mL placebo. The respective study drug was injected into the mucosal tissue surrounding the surgical site prior to surgery following achievement of local anesthesia. The primary outcome measure was the area under the curve (AUC) of cumulative pain scores from end of surgery to 6 h postsurgery. This demonstrated a global treatment effect between the active groups and placebo, hence confirming the study drug's efficacy ( P = 0.0126). Secondary outcome measures included the time until onset of pain and the time until patients required rescue medication, both showing statistical significance of the study drug compared to placebo ( P < 0.0161 and P < 0.0001, respectively). The time until rescue medication ranged between 7.8 h (for 25 mg/1 mL diclofenac HPbetaCD) and 16 h (for 50 mg/1 mL diclofenac HPbetaCD). Interestingly, the 5 mg/1-mL solution appeared superior to the 12.5-mg/1-mL and 25-mg/1-mL solutions (time until rescue medication = 12.44 h). A total of 14% of patients experienced minor adverse drug reactions (ADRs), of which 2 cases demonstrated flap necrosis. These resolved without further intervention. The study results overall indicate efficacy, safety, and relative tolerability of diclofenac HPbetaCD used locally as a submucosal injection prior to third molar surgery (ClinicalTrials.gov NCT01706588). PMID- 29202647 TI - Swallow presyncope in an athletic patient caused by third-degree atrioventricular block. AB - Introduction Swallow syncope is a neurally mediated syncope. Multiple causes have been described in literature. A rare cause is arrhythmias. Only a limited amount of cases present the association of swallow syncope and third degree AV-block. Case presentation A 39-year-old man presented with episodes of presyncope while eating. Further medical history, physical examination, resting 12-lead ECG, cyclo ergometry, transthoracic echocardiography and MRI of the heart were normal. 24 h Holter monitoring demonstrated high-grade third-degree atrioventricular (AV) block. The patient was scheduled for pacemaker implantation. Discussion Arrhythmia is a rare cause of swallow syncope. Reported arrhythmic causes are sinus bradycardia, sinoatrial block, atrioventricular block and complete atrial and ventricular asystole. Essential to the diagnosis is that (pre)syncope is preceded by swallowing and documentation of AV block on 24 h Holter monitoring. Treatment is guided by ESC guidelines which state that reflex syncope has a grade IIa recommendation for pacing, while current evidence suggests that asymptomatic vagally mediated AV block should not be treated until symptomatic. PMID- 29202648 TI - An algorithm to improve outcomes of radial forearm flap donor site. AB - : Abstarct Background: Due to the high rate of donor site complications the Radial Forearm Flap (RFF) has lost ground in favor of the Antero-lateral tight flap (ALT) and other flaps. We have designed a reconstruction algorithm for reconstruction of its donor site. The goal of this study was to retrospectively evaluate the impact of this algorithm on RFF donor site complication rates. METHODS: The authors analyzed retrospectively 31 patients who underwent free radial forearm flap reconstruction between November 2009 and May 2013. Donor site complications were compared with data from patients treated before introdutction of the algorithm. Within the group were compared patients in which the flap was harvested suprafascial with those in which the flap was harvested as subfascial. RESULTS: Before application of the algorithm, there was a 23.3% complication rate at the RFF donor site, in our experience. After introduction of the algorithm, complication rate has dropped to 3.2%, consisting in a partial skin graft necrosis treated by local wound-care and healed without further intervention. CONCLUSIONS: Application of the algorithm described has led to a significant reduction in RFF donor site complication rates. This demonstrates that if flap donor sites are analyzed and tailor treated in the same way as primary defects are, instead of being given secondary importance and just grafted, outcomes improve. PMID- 29202649 TI - The 'end of AIDS' project: Mobilising evidence, bureaucracy, and big data for a final biomedical triumph over AIDS. AB - Efforts are currently underway by major orchestrators and funders of the global AIDS response to realise the vision of achieving an end to AIDS by 2030. Unlike previous efforts to provide policy guidance or to encourage 'best practice' approaches for combatting AIDS, the end of AIDS project involves the promotion of a clear set of targets, tools, and interventions for a final biomedical solution to the epidemic. In this paper, we examine the bureaucratic procedures of one major AIDS funder that helped to foster a common vision and mission amongst a global AIDS community with widely divergent views on how best to address the epidemic. We focus on the methods, movements, and materials that are central to the project of ending AIDS, including those related to biomedical forms of evidence and big data science. We argue that these approaches have limitations and social scientists need to pay close attention to the end of AIDS project, particularly in contexts where clinical interventions might transform clinical outcomes, but where the social, economic, and cultural determinants of HIV and AIDS remain largely intact and increasingly obscured. PMID- 29202650 TI - Increasing the Elective Endovascular to Open Repair Ratio of Popliteal Artery Aneurysm. AB - BACKGROUND: Open repair (OR) for popliteal artery aneurysm (PAA) has recently been challenged by endovascular repair (ER) as the primary choice of treatment. The aim of the present study was to evaluate time trends in treatment modality and compare outcomes between OR and ER among electively operated patients after start of screening in 2010 for abdominal aortic aneurysm (AAA), a disease highly associated with PAA. METHODS: Between January 1, 2009, and April 30, 2017, 102 procedures and 36 acute and 66 elective repairs for PAA were identified. RESULTS: Over time, a trend ( P = .089) for an increasing elective to acute repair ratio of PAA and an increase in elective ER to OR ratio ( P = .003) was found. Among electively repaired PAAs, the ER group was older ( P = .047) and had a higher ankle-brachial index (ABI; P = .044). The ER group had fewer wound infections ( P = .003), fewer major bleeding complications ( P = .046), and shorter in-hospital stay ( P < .001). After 1 year of follow-up, the ER group had a higher rate of major amputations ( P = .037). Amputation-free survival at the end of follow-up did not differ between groups ( P = .68). Among the 17 patients with PAA eligible for AAA screening, 4 (24%) were diagnosed with PAA through the screening program of AAA. CONCLUSION: The epidemiology of elective repair of PAA has changed toward increased ER, although ER showed a higher rate of major amputations at 1 year. Confounding was considerable and a randomized trial is needed for evaluation of the best therapeutic option. PMID- 29202651 TI - Why equity in health and in access to health care are elusive: Insights from Canada and South Africa. AB - Health and access to health care vary strikingly across the globe, and debates about this have been pervasive and controversial. Some comparative data in Canada and South Africa illustrate the complexity of achieving greater equity anywhere, even in a wealthy country like Canada. Potential bi-directional lessons relevant both to local and global public health are identified. Both countries should consider the implications of lost opportunity costs associated with lack of explicit resource allocation policies. While National Health Insurance is attractive politically, Canada's example cannot be fully emulated in South Africa. Short- and medium-term attempts to improve equity in middle-income countries should focus on equitable access to insurance to cover primary health care and on making more use of nurse practitioners and community health workers. In the longer-term, attention is needed to the economic and political power structures that influence health and health care and that ignore the social and societal determinants of sustainable good health locally and globally. This long term vision of health is needed globally to achieve improvements in individual and population health in a century characterised by limits to economic growth, widening disparities, continuing conflict and migration on a large scale and multiple adverse impacts of climate change. PMID- 29202652 TI - Corrigendum. PMID- 29202653 TI - Empathic Concern and the Desire to Help as Separable Components of Compassionate Responding. AB - When do people experience versus regulate responses to compassion-evoking stimuli? We hypothesized that compassionate responding is composed of two factors empathic concern and the desire to help-and that these would be differentially affected by perspective taking and self-affirmation. Exploratory (Study 1) and confirmatory (Study 2) factor analyses indicated that a compassion measure consisted of two factors corresponding to empathic concern and the desire to help. In Study 1 ( N = 237), participants with high emotion regulation ability reported less empathic concern for multiple children than for one, but perspective taking prevented this effect. In Study 2 ( N = 155), participants reported less desire to help multiple children, but only in the presence of self affirmation. In both the studies, empathic concern predicted greater distress while the desire to help predicted greater chances of donating. Compassionate responding may consist of two separable facets that collapse under distinct conditions and that predict distinct outcomes. PMID- 29202654 TI - Sensation and Psychiatry: Linking Age-Related Hearing Loss to Late-Life Depression and Cognitive Decline. AB - Recent research has linked age-related hearing loss to impaired performance across cognitive domains and increased risk for dementia diagnosis. The data linking hearing impairment to incident late-life depression are more mixed but suggest that diminished hearing does increase risk for depression. Behavioral mechanisms may explain these associations, such as the withdrawal of older adults from situations in which they may have difficulty hearing and communicating, which may contribute to the development of social isolation, loneliness, and consequent cognitive decline and depression. At a neural level, chronic hearing loss leads to reduced activation in central auditory pathways, resulting in compensatory increased activation in the cognitive control network, dysfunctional auditory-limbic connectivity, and deafferentation-induced atrophy in frontal brain regions. These pathologic changes decrease cognitive performance and increase depression risk by reducing cognitive reserve, increasing executive dysfunction, and disrupting normative emotion reactivity and regulation. Based on the available data and informed by this model, evidence-based suggestions are proposed for clinicians treating older adults, and a research agenda is advanced to facilitate the development of rationally designed and age-appropriate psychiatric treatments for older adults with age-related hearing loss. First and foremost, treating hearing loss should be investigated as a means of improving cognitive and depressive outcomes in well-designed studies incorporating comprehensive psychiatric assessments, randomization, objective documentation of compliance, and analyses of treatment mediators that will facilitate further therapeutic development. Multimodal neuroimaging studies integrating audiometric, neuropsychological, and clinical assessments also are needed to further evaluate the model proposed. [AJP at 175: Remembering Our Past As We Envision Our Future April 1995: Effect of Hearing Enhancement on Medical Status Ratings Twenty-one elderly psychiatric patients had lower levels of psychopathology when assessed while wearing hearing aids. (Am J Psychiatry 1995; 152:629-631 )]. PMID- 29202656 TI - Clinical and Cognitive Significance of Auditory Sensory Processing Deficits in Schizophrenia. AB - OBJECTIVE: Although patients with schizophrenia exhibit impaired suppression of the P50 event-related brain potential in response to the second of two identical auditory stimuli during a paired-stimulus paradigm, uncertainty remains over whether this deficit in inhibitory gating of auditory sensory processes has relevance for patients' clinical symptoms or cognitive performance. The authors examined associations between P50 suppression deficits and several core features of schizophrenia to address this gap. METHOD: P50 was recorded from 52 patients with schizophrenia and 41 healthy comparison subjects during a standard auditory paired-stimulus task. Clinical symptoms were assessed with the Scale for the Assessment of Positive Symptoms and the Scale for the Assessment of Negative Symptoms. The MATRICS Consensus Cognitive Battery was utilized to measure cognitive performance in a subsample of 39 patients. Correlation and regression analyses were conducted to examine P50 suppression in relation to clinical symptom and cognitive performance measures. RESULTS: Schizophrenia patients demonstrated a deficit in P50 suppression when compared with healthy subjects, replicating prior research. Within the patient sample, impaired P50 suppression covaried reliably with greater difficulties in attention, poorer working memory, and reduced processing speed. CONCLUSIONS: Impaired suppression of auditory stimuli was associated with core pathological features of schizophrenia, increasing confidence that P50 inhibitory processing can inform the development of interventions that target cognitive impairments in this chronic and debilitating mental illness. PMID- 29202657 TI - A case of gastric cancer metastasis to the breast in a female with BRCA2 germline mutation and literature review. AB - INTRODUCTION: Gastric cancer is a deadly disease. Common sites of distant metastasis of gastric cancer are the peritoneum, liver, lymph nodes, and lung. The breast is a rare site of metastasis in gastric cancer which occurs in males dominantly. PATIENTS AND METHODS: Here, we report the first case of metastatic gastric cancer to the breast in a patient with the breast cancer 2 (BRCA2) germline mutation. A 34-year-old female was admitted to the hospital with dyspepsia and a palpable mass in the left breast. Gastric cancer was confirmed to be signet ring cell adenocarcinoma. The breast mass exhibited histological properties consistent with gastric cancer. Immunohistochemistry results showed the breast tumor was CDX-2 and CK20-positive, but ER-, CK7-, and GATA3-negative. The BRCA1 gene had a wild-type sequence, but a heterozygous variant was discovered in BRCA2 in exon 10 (c.1744A > C, p.T582P); the significance of this variant is unknown. RESULTS: The patient received palliative XELOX (capecitabine + oxaliplatin) with radiation therapy to the stomach. The breast tumor resolved completely, but the overall response was partial. CONCLUSION: Gastric cancer metastasis to the breast is rare, but should be considered in young female patients with signet ring cell type gastric cancer. PMID- 29202655 TI - Ketamine for Rapid Reduction of Suicidal Thoughts in Major Depression: A Midazolam-Controlled Randomized Clinical Trial. AB - OBJECTIVE: Pharmacotherapy to rapidly relieve suicidal ideation in depression may reduce suicide risk. Rapid reduction in suicidal thoughts after ketamine treatment has mostly been studied in patients with low levels of suicidal ideation. The authors tested the acute effect of adjunctive subanesthetic intravenous ketamine on clinically significant suicidal ideation in patients with major depressive disorder. METHOD: In a randomized clinical trial, adults (N=80) with current major depressive disorder and a score >=4 on the Scale for Suicidal Ideation (SSI), of whom 54% (N=43) were taking antidepressant medication, were randomly assigned to receive ketamine or midazolam infusion. The primary outcome measure was SSI score 24 hours after infusion (at day 1). RESULTS: The reduction in SSI score at day 1 was 4.96 points greater for the ketamine group compared with the midazolam group (95% CI=2.33, 7.59; Cohen's d=0.75). The proportion of responders (defined as having a reduction >=50% in SSI score) at day 1 was 55% for the ketamine group and 30% for the midazolam group (odds ratio=2.85, 95% CI=1.14, 7.15; number needed to treat=4.0). Improvement in the Profile of Mood States depression subscale was greater at day 1 for the ketamine group compared with the midazolam group (estimate=7.65, 95% CI=1.36, 13.94), and this effect mediated 33.6% of ketamine's effect on SSI score. Side effects were short-lived, and clinical improvement was maintained for up to 6 weeks with additional optimized standard pharmacotherapy in an uncontrolled follow-up. CONCLUSIONS: Adjunctive ketamine demonstrated a greater reduction in clinically significant suicidal ideation in depressed patients within 24 hours compared with midazolam, partially independently of antidepressant effect. PMID- 29202660 TI - Abstracts of the 27th meeting of the Belgian Endocrine Society. PMID- 29202658 TI - Ambroise Pare (1510-1590) and His Innovative Work on the Treatment of War Injuries. AB - The purpose of this study is to summarize the innovations of Ambroise Pare (1510 1590) on the treatment of war wounds and improving amputation technique through ligature in arteries and veins. Ambroise Pare debunked the widely accepted idea that gun powder was poisonous for wounds. He also minimized the use of cautery of wounds by his dressing methods and the application of ligature during amputations. All these innovative rationales revolutionized the practice of war surgery during the Renaissance and paved the way for the introduction of modern surgery. Nevertheless, although his wound dressing innovations became widely accepted, the same did not happen with ligature and amputation; those techniques could become widely applicable if one could somehow control bleeding until the blood vessels had been tied. This became possible much later in the 18th century when Jean Louis Petit invented the first useful and efficient tourniquet. PMID- 29202659 TI - The Cost of Caring: Economic Vulnerability, Serious Emotional Distress, and Poor Health Behaviors Among Paid and Unpaid Family and Friend Caregivers. AB - This study examined differences between paid and unpaid family/friend caregivers to better understand the consumer-driven caregiving workforce. We compared economic vulnerability, unhealthy behavior, and serious emotional distress for 475 paid and 10,500 unpaid family/friend informal caregivers from the 2009 California Health Interview Survey. We then estimated whether caregiver status moderated the relationship between economic vulnerability and health outcomes. Compared to unpaid family/friend caregivers, paid family/friend caregivers had a 27% greater risk ( p = .002) of economic vulnerability. Among all family/friend caregivers, the probabilities of serious emotional distress and unhealthy behaviors increased by >100% and 28% for those with the greatest compared to the least economic vulnerability, and caregiver type did not moderate these relationships. To address economic and health vulnerabilities of paid informal caregivers, policy makers might increase wages in consumer-driven programs. These changes could prove beneficial to both paid informal caregivers and their care recipients, while reducing long-term inefficiencies in consumer-driven programs. PMID- 29202661 TI - Effects of backpack load and positioning on nonlinear gait features in young adults. AB - Overloaded backpacks can cause changes in posture and gait dynamic balance. Therefore, the aim of this study was to assess gait regularity and local dynamic stability in young adults as they carried a backpack in different positions, and with different loads. Twenty-one healthy young adults participated in the study, carrying a backpack that was loaded with 10 and 20% of their body weight (BW). The participants walked on a level treadmill at their preferred walking speeds for 4 min under different conditions of backpack load and position (i.e. with backpack positioned back bilaterally, back unilaterally, frontally or without a backpack). Results indicate that backpack load and positioning significantly influence gait stability and regularity, with the exception of the 10% BW bilateral back position. Therefore, the recommended safe load for school-age children and adolescents (10% of BW) should also be considered for young adults. Practitioner summary: Increase in load results in changes in posture, muscle activity and gait parameters, so we investigated the gait adaptations related to regularity and stability. Conditions with high backpack loads significantly influenced gait stability and regularity in a position-dependent manner, except for 10% body weight bilateral back position. PMID- 29202662 TI - Addressing Mental Health Needs of Refugees. AB - Throughout history, refugees have alternatively been seen as entitled victims of adversity or as threats or abusers of host countries scarce resources. Within the present globalized context, ambivalent public perceptions of refugees are shattering the protective nature of the post migratory environment in refugee receiving countries. This raises new challenges for refugees' mental health and calls for systemic responses to address both pre-migratory trauma and losses and post migratory adversities. Recent evidence on the effectiveness of mental health treatment for refugees confirms the utility of trauma-focused psychotherapy and the limits of psychopharmacology for stress related disorders in this group. Training of mental health professionals may improve the quality of care for refugees by deconstructing prevalent prejudices about them and promoting empathic understanding. Mental health professionals may also advocate by providing information about social determinants refugee mental health to policy makers and promoting psychosocial interventions and protective social policies. PMID- 29202663 TI - Experiences of Patients with Mental Illness' Interactions with Medical Students: A Systematic Review. AB - OBJECTIVES: Mental health is a key area for learning within undergraduate medical education. Given the nature of mental illness, interactions may have the potential to uniquely affect patients. This study set out to systematically review studies reporting experiences and perceptions of patients with mental illness' clinical interactions with medical students. This includes which factors encourage patients to interact with medical students and if patients perceive negative and positive effects from these interactions. METHOD: Studies reporting patient experiences of involvement in undergraduate medicine were included. A standardised search of online databases was carried out independently by 2 authors and consensus reached on the inclusion of studies. Data extraction and quality assessment were also completed independently, after which a content analysis of interventions was conducted and key themes extracted. Studies were included from peer-reviewed journals, in any language. RESULTS: Eight studies from 5 countries were included, totaling 1088 patients. Most patients regarded interacting with medical students as a positive experience. Patients described feeling comfortable with medical students, and the majority believed it is important for students to 'see real patients'. Patients described benefits to them as enjoyment, being involved in student education, and developing an illness narrative. CONCLUSIONS: Results suggest that most patients with mental illness want to interact with medical students, and this should be encouraged during student placements. Further research, however, is required to understand in more depth what else can be done to improve the comfort and willingness for patients to interact with students, including barriers to this. PMID- 29202664 TI - Suicide Attempts and Completions among Mothers Whose Children Were Taken into Care by Child Protection Services: A Cohort Study Using Linkable Administrative Data. AB - OBJECTIVE: The objective of this study is to examine suicide attempts and completions among mothers who had a child taken into care by child protection services (CPS). These mothers were compared with their biological sisters who did not have a child taken into care and with mothers who received services from CPS but did not have a child taken into care. METHODS: A retrospective cohort of mothers whose first child was born in Manitoba, Canada, between April 1, 1992, and March 31, 2015, is used. Rates among discordant biological sisters (1872 families) were compared using fixed-effects Poisson regression models, and mothers involved with CPS (children in care [ n = 1872] and received services [ n = 9590]) were compared using a Poisson regression model. RESULTS: Compared with their biological sisters and mothers who received services, the adjusted incidence rate ratio (aIRR) of death by suicide was greater among mothers whose child was taken into care by CPS (aIRR = 4.46 [95% confidence interval (CI), 1.39 14.33] and ARR = 3.45 [95% CI, 1.61-7.40], respectively). Incidence rates of suicide attempts were higher among mothers with a child taken into care compared with their sisters (aIRR = 2.15; 95% CI, 1.40-3.30) and mothers receiving services (aIRR = 2.82; 95% CI, 2.03-3.92). CONCLUSIONS: Mothers who had a child taken into care had significantly higher rates of suicide attempts and completions. When children are taken into care, physician and social workers should inquire about maternal suicidal behaviour and provide appropriate mental health. PMID- 29202665 TI - The Social Determinants of Refugee Mental Health in the Post-Migration Context: A Critical Review. AB - With the global increase in the number of refugees and asylum seekers, mental health professionals have become more aware of the need to understand and respond to the mental health needs of forced migrants. This critical review summarizes the findings of recent systematic reviews and primary research on the impact of post-migration conditions on mental disorders and PTSD among refugees and asylum seekers. Historically, the focus of mental health research and interventions with these populations has been on the impact of pre-migration trauma. Pre-migration trauma does predict mental disorders and PTSD, but the post-migration context can be an equally powerful determinant of mental health. Moreover, post-migration factors may moderate the ability of refugees to recover from pre-migration trauma. The importance of post-migration stressors to refugee mental health suggests the need for therapeutic interventions with psychosocial elements that address the broader conditions of refugee and asylum seekers' lives. However, there are few studies of multimodal interventions with refugees, and even fewer with control conditions that allow for conclusions about their effectiveness. These findings are interpreted using a social determinants of health framework that connects the risk and protective factors in the material and social conditions of refugees' post-migration lives to broader social, economic and political factors. PMID- 29202666 TI - DBCG hypo trial validation of radiotherapy parameters from a national data bank versus manual reporting. AB - INTRODUCTION: The current study evaluates the data quality achievable using a national data bank for reporting radiotherapy parameters relative to the classical manual reporting method of selected parameters. METHODS: The data comparison is based on 1522 Danish patients of the DBCG hypo trial with data stored in the Danish national radiotherapy data bank. In line with standard DBCG trial practice selected parameters were also reported manually to the DBCG database. Categorical variables are compared using contingency tables, and comparison of continuous parameters is presented in scatter plots. RESULTS: For categorical variables 25 differences between the data bank and manual values were located. Of these 23 were related to mistakes in the manual reported value whilst the remaining two were a wrong classification in the data bank. The wrong classification in the data bank was related to lack of dose information, since the two patients had been treated with an electron boost based on a manual calculation, thus data was not exported to the data bank, and this was not detected prior to comparison with the manual data. For a few database fields in the manual data an ambiguity of the parameter definition of the specific field is seen in the data. This was not the case for the data bank, which extract all data consistently. CONCLUSIONS: In terms of data quality the data bank is superior to manually reported values. However, there is a need to allocate resources for checking the validity of the available data as well as ensuring that all relevant data is present. The data bank contains more detailed information, and thus facilitates research related to the actual dose distribution in the patients. PMID- 29202667 TI - Percutaneous microwave ablation of renal cell carcinoma using a high power microwave system: focus upon safety and efficacy. AB - OBJECTIVES: Percutaneous ablation is an expanding, minimally invasive approach for small- to medium-sized renal masses. The purpose of this study is to review safety, and mid-term efficacy of percutaneous microwave ablation (MWA) for Renal Cell Carcinoma (RCC) treatment using a high power microwave system. METHODS AND MATERIALS: Institutional database research identified 50 consecutive patients with a single lesion resembling renal cell carcinoma in CT and MRI who underwent percutaneous microwave ablation using a high power microwave system. All patients underwent biopsy on the same session with ablation using an 18G semi-automatic soft tissue biopsy needle. Contrast-enhanced computed tomography or magnetic resonance imaging was used for post-ablation follow-up. Patient and tumour characteristics, microwave technique, complications and pattern of recurrence were evaluated. RESULTS: Mean patient age was 74 years (male-female: 31-19). Average lesion size was 3.1 cm (range 2.0-4.3 cm). Biopsy results report RCC (n = 48), inflammatory myofibroblastic tumour (n = 1), and non-diagnostic sample (n = 1). The 3-year overall survival was 95.8% (46/48). Two patients died during the 3 year follow-up period due to causes unrelated to the MW ablation and to the RCC. Minor complications including haematomas requiring nothing but observation occurred at 4% (2/50) of the cases. Local recurrence of 6.25% (3/48) was observed with 2/3 cases being re-treated achieving a total clinical success of 97.9% (47/48 lesions). CONCLUSIONS: Percutaneous microwave ablation of RCC using a high power microwave system is a safe and efficacious technique for the treatment of small- to medium-sized renal masses. PMID- 29202668 TI - Quality of life and care needs in women with estrogen positive metastatic breast cancer: a qualitative study. AB - BACKGROUND: In recent years, the prognosis of metastatic breast cancer (MBC) has improved with more effective therapies applicable to a wider range of patients. To many patients, a MBC diagnosis thus initiates a prolonged course of illness and treatment. This qualitative study aimed to explore the long-term health related quality of life (HRQoL) and support needs in MBC patients of all ages in the Danish context. MATERIAL AND METHODS: Eighteen MBC patients participated in five qualitative focus group interviews that were analyzed using content analysis and a constructivist approach. RESULTS: The participants described how MBC severely reduced their physical and psychosocial functioning and required a constant adaptation of their quality of life (QoL) standards in relation to their changing life situation and disease progression. Overall, they felt medically well-treated but lacked a multidisciplinary approach to care including psychological support, in particular, but also manual physiotherapy, health care coordination and social counseling. The participants called for continuity of care with the same health care professionals as this facilitated communication and flexibility in planning treatment and controls. They requested a reduction of precious time spend on treatment to enable them to focus on their most meaningful relations and activities. CONCLUSION: With the MBC diagnosis, the focus of treatment switches from disease eradication to prolonging survival, alleviating symptoms and improving QoL. To patients, MBC marks a shift in expectations from quantity to quality of life and a perpetual adaptation of their QoL standards. To sustain patients' HRQoL, it is important that along with improvements in life prolonging treatment, comprehensive care also supports their main psycho-social needs. These patients needed support in maintaining normality and role functioning enabling them to focus on living, not merely surviving, through this prolonged disease phase. PMID- 29202669 TI - The relationship between smell identification and neuropsychological domains: Results from a sample of community-dwelling adults suspected of dementia. AB - OBJECTIVE: This study aimed to test the theoretical relationships between smell identification and cognitive tasks based on existing neuroimaging and anatomical findings. METHOD: Utilizing data collected from a memory assessment clinic, theory-derived mediation and moderation models were tested. The sample used in this study consisted of 103 (39 male, 64 female) individuals referred for memory assessments. The sample's mean education was 12.4 years (SD = 3.2), and the mean age of the sample was 77.2 years (SD = 6.3). RESULTS: The University of Pennsylvania Smell Identification Test (UPSIT) was a significant, partial mediator of the relationship between the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) Immediate and Delayed Memory indexes. Olfactory identification did not mediate list learning and retrieval; however, olfactory identification was a significant partial mediator of the relationship between story encoding and later memory retrieval of the story. Olfactory identification also fully mediated the relationship between a visuospatial construction task and its reconstruction from memory after a short delay. The relationship between processing speed and the olfactory identification was significantly mediated by semantic memory. Finally, the UPSIT moderated the relationship between a measure of premorbid ability, the Wechsler Test of Adult Reading, and current global cognitive functioning. CONCLUSIONS: Our results support theoretical relationships between olfaction and neuropsychological domains. Additionally, our results suggest that the UPSIT may serve as a proxy for cerebral integrity and is likely related to the duration of neurodegeneration. PMID- 29202670 TI - Cardiovascular safety of non-steroidal anti-inflammatory drugs revisited. AB - Non-steroidal anti-inflammatory drugs (NSAIDs) have been widely used to treat inflammatory pain for decades. More recently, newer NSAIDs were developed to target the inducible isoform of cyclooxygenase (COX), COX-2, with the aim of reducing gastrointestinal toxicity. While the COX-2 selective inhibitors were effective in reducing pain and gastrointestinal harm, they soon were associated with an increased risk of adverse cardiovascular events. Initially, the view emerged that selective inhibition of COX-2, and sparing of COX-1, was responsible for the increased cardiovascular harm observed. However, as more data from different human populations has become available this view has begun to be challenged. This review examines the current understanding of the role of prostaglandins and COX-1 and COX-2, particularly in platelets, the vasculature, and the kidney together with an overview of the cardiovascular and renal safety of both traditional NSAIDs and COX-2 selective inhibitors. Available data from active comparator randomized controlled trials, including the data from the PRECISION trial investigating the long term cardiovascular safety of patients exclusively with elevated baseline cardiovascular risk, are presented. The data, when considered holistically, support the idea that all NSAIDs carry some level of cardiovascular risk, be they traditional NSAIDs or COX-2 selective agents. There is also some evidence of heterogeneity of effect with NSAIDs particularly in relation to effects on blood pressure, with no clear demarcation based on the degree of COX-2 selectivity. PMID- 29202671 TI - Natural lymphatic ("atypical") actinobacillosis in cattle caused by Actinobacillus lignieresii. AB - Bovine actinobacillosis is typically characterized by pyogranulomatous glossitis (wooden tongue). The involvement of other tissues, generally the skin or lymph nodes, has been regarded as atypical or cutaneous. We describe herein 2 outbreaks of actinobacillosis affecting primarily the lymph nodes of the head and neck. The disease affected 40 of 540 lactating cows in a dairy herd, and 5 of 335 two-y-old steers in a beef herd. Multiple or single, occasionally ulcerated nodules were observed in the region of the mandible, neck, and shoulder, including the parotid, submandibular, retropharyngeal, and prescapular lymph nodes. The histologic lesions were multifocal pyogranulomatous lymphadenitis, dermatitis, and cellulitis with Splendore-Hoeppli material. One steer had an exophytic pyogranuloma in the gingiva and another died because of ruminal tympany secondary to oropharyngeal and esophageal obstruction by a pyogranulomatous mass. Actinobacillus lignieresii was isolated from the lesions and identified by amplification, sequencing, and analysis of the 16S ribosomal (r)DNA gene. Seven of 8 cows recovered after treatment with sodium iodide. Lymphatic actinobacillosis is a frequent disease in Uruguay, southern Brazil, and Argentina. Morbidity is 1-50%; mortality is <1%. A. lignieresii apparently penetrates the intact oral and pharyngeal mucosa, infecting primarily the regional lymph nodes. Later, lesions may extend to the subcutaneous tissue and the skin, causing ulceration. Affected cattle with draining pyogranulomas contaminate the environment, favoring disease transmission, and should be treated with sodium iodide or antibiotics and isolated from the herd in order to control the disease. PMID- 29202672 TI - Sensitivity and specificity levels of two rapid assays for antibodies to Anaplasma spp. in dogs. AB - Canine anaplasmosis is a tick-borne disease of dogs that results following infection with Anaplasma phagocytophilum or Anaplasma platys. The SNAP 4Dx Plus test (IDEXX Laboratories) and the VetScan Canine Anaplasma Rapid test (Abaxis) are commercial in-house rapid tests for the detection of antibody to these 2 antigenically related Anaplasma species. We evaluated 2 tests using serum and whole blood samples obtained from reference laboratories and veterinary hospitals. Samples were obtained from regions of the country known to be habitats of the primary tick vectors. The A. phagocytophilum sample set comprised 236 dog sera from the northeastern and midwestern United States; the A. platys sample set comprised 179 sera from dogs living in the southwestern United States. An indirect immunofluorescent antibody (IFA) test and an A. platys species-specific ELISA were used as reference assays for the A. phagocytophilum and A. platys samples, respectively. The SNAP test demonstrated significantly higher sensitivity (84.7% for A. phagocytophilum and 83.1% for A. platys), compared to the VetScan test (39.0% for A. phagocytophilum and 57.6% for A. platys). The specificity of the SNAP test (95.8% for A. phagocytophilum and 99.2% for A. platys) was significantly greater than the VetScan test (85.6% for A. phagocytophilum and 82.5% for A. platys). In a separate clinic study, conducted within an A. phagocytophilum-endemic state (Minnesota) using 154 whole blood samples from client-owned dogs, the VetScan test was negative for 22 of 39 SNAP and IFA seropositive samples. PMID- 29202673 TI - Enzootic calcinosis in horses grazing Solanum glaucophyllum in Argentina. AB - Solanum glaucophyllum, a toxic plant known for its calcinogenic effects, causes enzootic calcinosis in ruminant and monogastric animals. We describe an outbreak of enzootic calcinosis that occurred in a herd of 110 horses grazing pastureland heavily contaminated with S. glaucophyllum in Buenos Aires province, Argentina. Ten horses developed clinical signs, and 6 horses died. Clinical signs included abnormal gait (stiff-legged action, short strides), stiffness, thoracolumbar kyphosis, reluctance to move, wide stance, chronic weight loss, weakness, recumbency, and difficulty standing. Autopsy of 2 horses revealed severe mineralization of the aorta, pulmonary arteries, heart, and lungs, consistent with enzootic calcinosis. Although horses usually have very selective grazing behavior, under food restriction conditions, they can ingest the toxic plants and can develop the disease. Enzootic calcinosis should be considered as a differential diagnosis in horses grazing S. glaucophyllum-invaded pasturelands with compatible clinical signs and lesions. PMID- 29202674 TI - Determination of the diversity of astroviruses in feces from cats in Florida. AB - Astroviruses are small, nonenveloped RNA viruses that have been linked to numerous diseases in a variety of species, including enteric disease in humans and cheetahs. Species Mamastrovirus 2, previously known as feline astrovirus, has been isolated from the feces of domestic cats and cheetahs. A total of 122 cat fecal samples from Alachua County, FL Animal Services and the Veterinary Community Outreach Program at the University of Florida were analyzed, and 35 contained astroviral RNA that was amplified and identified using consensus RT-PCR and sequence analysis. Using phylogenetic analysis, 19 of the astroviral sequences were identified as Mamastrovirus 2, making it the most prevalent astrovirus in this population. Three samples were identified as an astrovirus similar to viruses previously identified in foxes in The Netherlands and a cat in California, and one was similar to a bat astrovirus. One astroviral sequence was identified as an Avastrovirus. Although a causative relationship between mamastroviruses and enteric disease in cats has yet to be established, it is clear that mamastroviruses are prevalent, and an understanding of prevalence of astroviral types may help direct future test development. PMID- 29202676 TI - Precision medicine for HIV: where are we? AB - To date, antiretroviral therapy is highly effective in HIV-affected patients, but the individualization of such a life-long therapy may be advised. This review briefly summarizes the main factors involved in the potential personalization of antiretroviral treatment. Relevant articles in English were identified by PubMed and recent congresses' abstracts. Foremost influences concerning pharmacodynamics, therapeutic drug monitoring, pharmacogenetics, comorbidities, immune recovery and viral characteristics affecting the healthcare of HIV positive patients are listed here. Furthermore, pharmacoeconomic aspects are mentioned. Applying pharmacokinetic and pharmacogenetic knowledge may be informative and guide the better choice of treatment in order to achieve long term efficacy and avoid adverse events. Randomized investigations of the clinical relevance of tailored antiretroviral regimens are needed in order to obtain a better management of HIV/AIDS-affected patients. PMID- 29202675 TI - Acute hepatic steatosis: a helpful diagnostic feature in metallic phosphide poisoned horses. AB - Metal phosphides, particularly zinc and aluminum phosphide, occasionally poison horses and other equids following their use as rodenticides and insecticides. Grain-based aluminum phosphide baits are used to control rodents such as prairie dogs. The clinical course in intoxicated horses is short (<24-48 h), and animals may be found dead. Hepatic lesions caused by phosphine poisoning are not well described. Laboratory confirmation depends on detecting phosphine gas in gastric contents. Eight horses and a mule were exposed to zinc phosphide used to control prairie dogs on a Wyoming ranch. Three of 9 exposed equids developed some combination of sweating, ataxia, anxiety, and colic; 2 died acutely, and 1 recovered. A diagnosis of zinc phosphide was made by detecting phosphine in stomach contents from a horse and a mule. The liver was pale and swollen in the affected horse, which died after a clinical course of ~12 h. Other changes were generalized congestion and edema, pulmonary edema, and acute cerebrocortical edema. There was diffuse hepatocellular microvesicular steatosis. Similar histologic lesions were present in 7 equine livers from 2 previously published episodes of metallic phosphide poisoning. Older lesions (>24 h of clinical signs) had centrilobular hepatic necrosis with congestion and a mixture of microvesicular and macrovesicular steatosis. Phosphine poisoning should be considered in horses that die acutely and are found to have steatosis, either with or without hepatocellular necrosis. PMID- 29202677 TI - Cronkhite-Canada syndrome causing pouch outlet obstruction 5 years after roux-en y gastric bypass. AB - OBJECTIVE: We present the case of a 57-year-old man with a history of Roux-en-Y gastric bypass (RYGB) and colonic polyps who presented with an upper gastrointestinal obstruction based on massive stomach polyposis in the pouch. METHODS: Two months prior to this acute admission, he had undergone resection of the gastric remnant due to massive refractory intraluminal bleeding from a polypoid mass. Ten years earlier, right colectomy was performed due to hypertrophic polyposis unsuitable for endoscopic polypectomy. Upper gastrointestinal endoscopy showed a polypoid mass in the pouch causing obstruction. Benign biopsies were obtained. A resection of the stomach pouch with esophagojejunostomy was performed. Macroscopic evaluation of the pouch lumen showed massive polyposis with a sharp demarcation near the Z-line and at the gastrojejunostomy. On clinical examination, the presence of atrophic nail changes, alopecia, and palmar hyperpigmentation was noticed. RESULTS: Postoperative course was uneventful and feeding was restarted successfully. Histological analysis revealed hyperplastic polypoid tissue, which resembled the polyps in the stomach remnant and colon. Together with the ectodermal changes, the diagnose of Cronkhite-Canada syndrome was established. CONCLUSION: Diffuse polyposis in Cronkhite-Canada syndrome is a rare cause for pouch obstruction after RYGB. Clinical examination should focus on dermatologic findings. PMID- 29202679 TI - CME Opportunities and Save the Date. PMID- 29202681 TI - Medicare, Value-Based Purchasing, and the Law of Unintended Consequences. PMID- 29202678 TI - Approach to thrombosis at unusual sites: Splanchnic and cerebral vein thrombosis. AB - Splanchnic vein thrombosis (SVT) and cerebral vein thrombosis (CVT) are two manifestations of unusual site venous thromboembolism (VTE). SVT includes thrombosis in the portal, mesenteric or splenic veins, and the Budd-Chiari syndrome. CVT encompasses thrombosis of the dural venous sinuses and thrombosis of the cerebral veins. Unusual site VTE often represents a diagnostic and therapeutic challenge because of the heterogeneity in clinical presentation, the limited evidence available in the literature on the acute and long-term prognosis of these diseases, and the lack of large randomized controlled trials evaluating different treatment options. This narrative review describes the approach to patients with SVT or CVT by examining the diagnostic process, the assessment of potential risk factors and the appropriate anticoagulant treatment. PMID- 29202682 TI - Severe Vitamin D Deficiency at Admission and Shock Reversal. PMID- 29202683 TI - Successful use of snare electrocautery via flexible fiberoptic bronchoscopy for removal of an endobronchial hamartoma causing chronic lung atelectasis and mimicking malignancy. AB - We present a rare case of giant endobronchial hamartoma coexisting with lung atelectasis for more than 3 years. The small specimen initially biopsied via bronchoscope did not reveal tissue features, but some features were suspicious for squamous cell carcinoma. The lesion was removed completely using snare electrocautery combined with argon plasma coagulation via flexible fiberoptic bronchoscopy. The patient made a satisfactory recovery, and a pathological diagnosis was made. This could be a useful option in selected endobronchial tumors. PMID- 29202684 TI - Voluntary cough intensity and its influencing factors differ by sex in community dwelling adults. AB - BACKGROUND: Cough peak flow (CPF) is widely used for measuring voluntary cough intensity. However, the respective factors that affect CPF are not known. The aim of this study was to determine the factors affecting CPF by sex in community dwelling adults. METHOD: We recruited participants using posters exhibited at a public gymnasium. Participation was voluntary, and all participants provided informed consent. Nonsmoking community residents (102 males, 49.6 +/- 20.2 years of age; 101 females, 51.4 +/- 18.4 years of age) participated in this study. The main outcome measures were sex differences in CPF, respiratory function, respiratory muscle strength, thorax extension, and grip strength. Factors affecting CPF by sex were analyzed using multiple regression analysis. RESULTS: All parameters were higher in men than in women. CPF was affected by thorax expansion at the tenth rib, inspiratory muscle strength and forced expiration in 1 s in men, and thorax expansion at the tenth rib, inspiratory reserve volume, and expiratory muscle power in women. A weak negative correlation was observed between CPF and age ( p = -0.24, p < 0.05) in women. CONCLUSIONS: The factors affecting CPF differed by sex in community-dwelling adults. Clinical Trial Number: UMIN000023912. PMID- 29202685 TI - Accuracies of univariate and multivariate genomic prediction models in African cassava. AB - BACKGROUND: Genomic selection (GS) promises to accelerate genetic gain in plant breeding programs especially for crop species such as cassava that have long breeding cycles. Practically, to implement GS in cassava breeding, it is necessary to evaluate different GS models and to develop suitable models for an optimized breeding pipeline. In this paper, we compared (1) prediction accuracies from a single-trait (uT) and a multi-trait (MT) mixed model for a single environment genetic evaluation (Scenario 1), and (2) accuracies from a compound symmetric multi-environment model (uE) parameterized as a univariate multi-kernel model to a multivariate (ME) multi-environment mixed model that accounts for genotype-by-environment interaction for multi-environment genetic evaluation (Scenario 2). For these analyses, we used 16 years of public cassava breeding data for six target cassava traits and a fivefold cross-validation scheme with 10 repeat cycles to assess model prediction accuracies. RESULTS: In Scenario 1, the MT models had higher prediction accuracies than the uT models for all traits and locations analyzed, which amounted to on average a 40% improved prediction accuracy. For Scenario 2, we observed that the ME model had on average (across all locations and traits) a 12% improved prediction accuracy compared to the uE model. CONCLUSIONS: We recommend the use of multivariate mixed models (MT and ME) for cassava genetic evaluation. These models may be useful for other plant species. PMID- 29202686 TI - Species-specific genes under selection characterize the co-evolution of slavemaker and host lifestyles. AB - BACKGROUND: The transition to a parasitic lifestyle entails comprehensive changes to the selective regime. In parasites, genes encoding for traits that facilitate host detection, exploitation and transmission should be under selection. Slavemaking ants are social parasites that exploit the altruistic behaviour of their hosts by stealing heterospecific host brood during raids, which afterwards serve as slaves in slavemaker nests. Here we search for evidence of selection in the transcriptomes of three slavemaker species and three closely related hosts. We expected selection on genes underlying recognition and raiding or defense behaviour. Analyses of selective forces in species with a slavemaker or host lifestyle allowed investigation into whether or not repeated instances of slavemaker evolution share the same genetic basis. To investigate the genetic basis of host-slavemaker co-evolution, we created orthologous clusters from transcriptome sequences of six Temnothorax ant species - three slavemakers and three hosts - to identify genes with signatures of selection. We further tested for functional enrichment in selected genes from slavemakers and hosts respectively and investigated which pathways the according genes belong to. RESULTS: Our phylogenetic analysis, based on more than 5000 ortholog sequences, revealed sister species status for two slavemakers as well as two hosts, contradicting a previous phylogeny based on mtDNA. We identified 309 genes with signs of positive selection on branches leading to slavemakers and 161 leading to hosts. Among these were genes potentially involved in cuticular hydrocarbon synthesis, thus species recognition, and circadian clock functionality possibly explaining the different activity patterns of slavemakers and hosts. There was little overlap of genes with signatures of positive selection among species, which are involved in numerous different functions and different pathways. CONCLUSIONS: We identified different genes, functions and pathways under positive selection in each species. These results point to species-specific adaptations rather than convergent trajectories during the evolution of the slavemaker and host lifestyles suggesting that the evolution of parasitism, even in closely related species, may be achieved in diverse ways. PMID- 29202687 TI - Total evidence phylogeny and evolutionary timescale for Australian faunivorous marsupials (Dasyuromorphia). AB - BACKGROUND: The order Dasyuromorphia is a diverse radiation of faunivorous marsupials, comprising >80 modern species in Australia and New Guinea. It includes dasyurids, the numbat (the myrmecobiid Myrmecobius fasciatus) and the recently extinct thylacine (the thylacinid Thylacinus cyncocephalus). There is also a diverse fossil record of dasyuromorphians and "dasyuromorphian-like" taxa known from Australia. We present the first total evidence phylogenetic analyses of the order, based on combined morphological and molecular data (including a novel set of 115 postcranial characters), to resolve relationships and calculate divergence dates. We use this information to analyse the diversification dynamics of modern dasyuromorphians. RESULTS: Our morphology-only analyses are poorly resolved, but our molecular and total evidence analyses confidently resolve most relationships within the order, and are strongly congruent with recent molecular studies. Thylacinidae is the first family to diverge within the order, and there is strong support for four tribes within Dasyuridae (Dasyurini, Phascogalini, Planigalini and Sminthopsini). Among fossil taxa, Ankotarinja and Keeuna do not appear to be members of Dasyuromorphia, whilst Barinya and Mutpuracinus are of uncertain relationships within the order. Divergence dates calculated using total evidence tip-and-node dating are younger than both molecular node-dating and total evidence tip-dating, but appear more congruent with the fossil record and are relatively insensitive to calibration strategy. The tip-and-node divergence dates indicate that Dasyurini, Phascogalini and Sminthopsini began to radiate almost simultaneously during the middle-to-late Miocene (11.5-13.1 MYA; composite 95% HPD: 9.5-15.9 MYA); the median estimates for these divergences are shortly after a drop in global temperatures (the middle Miocene Climatic Transition), and coincide with a faunal turnover event in the mammalian fossil record of Australia. Planigalini radiated much later, during the latest Miocene to earliest Pliocene (6.5 MYA; composite 95% HPD: 4.4-8.9 MYA); the median estimates for these divergences coincide with an increase in grass pollen in the Australian palynological record that suggests the development of more open habitats, which are preferred by modern planigale species. CONCLUSIONS: Our results provide a phylogenetic and temporal framework for interpreting the evolution of modern and fossil dasyuromorphians, but future progress will require a much improved fossil record. PMID- 29202688 TI - Rethinking the evolution of eukaryotic metabolism: novel cellular partitioning of enzymes in stramenopiles links serine biosynthesis to glycolysis in mitochondria. AB - BACKGROUND: An important feature of eukaryotic evolution is metabolic compartmentalization, in which certain pathways are restricted to the cytosol or specific organelles. Glycolysis in eukaryotes is described as a cytosolic process. The universality of this canon has been challenged by recent genome data that suggest that some glycolytic enzymes made by stramenopiles bear mitochondrial targeting peptides. RESULTS: Mining of oomycete, diatom, and brown algal genomes indicates that stramenopiles encode two forms of enzymes for the second half of glycolysis, one with and the other without mitochondrial targeting peptides. The predicted mitochondrial targeting was confirmed by using fluorescent tags to localize phosphoglycerate kinase, phosphoglycerate mutase, and pyruvate kinase in Phytophthora infestans, the oomycete that causes potato blight. A genome-wide search for other enzymes with atypical mitochondrial locations identified phosphoglycerate dehydrogenase, phosphoserine aminotransferase, and phosphoserine phosphatase, which form a pathway for generating serine from the glycolytic intermediate 3-phosphoglycerate. Fluorescent tags confirmed the delivery of these serine biosynthetic enzymes to P. infestans mitochondria. A cytosolic form of this serine biosynthetic pathway, which occurs in most eukaryotes, is missing from oomycetes and most other stramenopiles. The glycolysis and serine metabolism pathways of oomycetes appear to be mosaics of enzymes with different ancestries. While some of the noncanonical oomycete mitochondrial enzymes have the closest affinity in phylogenetic analyses with proteins from other stramenopiles, others cluster with bacterial, plant, or animal proteins. The genes encoding the mitochondrial phosphoglycerate kinase and serine-forming enzymes are physically linked on oomycete chromosomes, which suggests a shared origin. CONCLUSIONS: Stramenopile metabolism appears to have been shaped through the acquisition of genes by descent and lateral or endosymbiotic gene transfer, along with the targeting of the proteins to locations that are novel compared to other eukaryotes. Colocalization of the glycolytic and serine biosynthesis enzymes in mitochondria is apparently necessary since they share a common intermediate. The results indicate that descriptions of metabolism in textbooks do not cover the full diversity of eukaryotic biology. PMID- 29202689 TI - Explorative visual analytics on interval-based genomic data and their metadata. AB - BACKGROUND: With the wide-spreading of public repositories of NGS processed data, the availability of user-friendly and effective tools for data exploration, analysis and visualization is becoming very relevant. These tools enable interactive analytics, an exploratory approach for the seamless "sense-making" of data through on-the-fly integration of analysis and visualization phases, suggested not only for evaluating processing results, but also for designing and adapting NGS data analysis pipelines. RESULTS: This paper presents abstractions for supporting the early analysis of NGS processed data and their implementation in an associated tool, named GenoMetric Space Explorer (GeMSE). This tool serves the needs of the GenoMetric Query Language, an innovative cloud-based system for computing complex queries over heterogeneous processed data. It can also be used starting from any text files in standard BED, BroadPeak, NarrowPeak, GTF, or general tab-delimited format, containing numerical features of genomic regions; metadata can be provided as text files in tab-delimited attribute-value format. GeMSE allows interactive analytics, consisting of on-the-fly cycling among steps of data exploration, analysis and visualization that help biologists and bioinformaticians in making sense of heterogeneous genomic datasets. By means of an explorative interaction support, users can trace past activities and quickly recover their results, seamlessly going backward and forward in the analysis steps and comparative visualizations of heatmaps. CONCLUSIONS: GeMSE effective application and practical usefulness is demonstrated through significant use cases of biological interest. GeMSE is available at http://www.bioinformatics.deib.polimi.it/GeMSE/ , and its source code is available at https://github.com/Genometric/GeMSE under GPLv3 open-source license. PMID- 29202690 TI - Distinct patterns of serum hepatitis B core-related antigen during the natural history of chronic hepatitis B. AB - BACKGROUND: The current clinical practice on chronic hepatitis B (CHB) requires better on-treatment monitoring of viral persistence. Quantified assays for hepatitis B surface antigen (HBsAg) and core-related antigen (HBcrAg) hold promise for further optimization of therapy. Here, we aimed to characterize HBcrAg during the natural course of CHB. METHODS: Four-hundred and forty four treatment naive CHB patients, who all underwent liver histology examination, were enrolled in this cross-sectional study. Their HBV DNA, HBsAg, HBeAg and HBcrAg titres were quantified and analyzed in the context of four distinct clinical phases. Correlation of HBcrAg and HBsAg with other markers were performed. The relationship between liver and serum antigen levels were also assessed. RESULTS: HBcrAg, like HBsAg, exhibited high degree of correlation with HBV DNA. However, a more significant linear relationship was found between HBcrAg and HBeAg titre in immune tolerant (IT) and immune clearance (IC) phases, while in HBeAg negative hepatitis (ENH) group, HBV DNA is a major determinant of HBcrAg. Significant difference was observed in liver HBcAg score and HBcrAg level in both IT and IC phases whereas barely significant positive correlations between liver HBsAg score and HBsAg titre was documented. CONCLUSION: HBcrAg titre exhibited distinct correlative profile in a phase-specific manner. In addition, its level is well related to the intrahepatic expression of core antigen. It has a considerable utility in monitoring and refining antiviral therapy. PMID- 29202691 TI - Performance of the marginal structural cox model for estimating individual and joined effects of treatments given in combination. AB - BACKGROUND: The Marginal Structural Cox Model (Cox-MSM), an alternative approach to handle time-dependent confounder, was introduced for survival analysis and applied to estimate the joint causal effect of two time-dependent nonrandomized treatments on survival among HIV-positive subjects. Nevertheless, Cox-MSM performance in the case of multiple treatments has not been fully explored under different degree of time-dependent confounding for treatments or in case of interaction between treatments. We aimed to evaluate and compare the performance of the marginal structural Cox model (Cox-MSM) to the standard Cox model in estimating the treatment effect in the case of multiple treatments under different scenarios of time-dependent confounding and when an interaction between treatment effects is present. METHODS: We specified a Cox-MSM with two treatments including an interaction term for situations where an adverse event might be caused by two treatments taken simultaneously but not by each treatment taken alone. We simulated longitudinal data with two treatments and a time-dependent confounder affected by one or the two treatments. To fit the Cox-MSM, we used the inverse probability weighting method. We illustrated the method to evaluate the specific effect of protease inhibitors combined (or not) to other antiretroviral medications on the anal cancer risk in HIV-infected individuals, with CD4 cell count as time-dependent confounder. RESULTS: Overall, Cox-MSM performed better than the standard Cox model. Furthermore, we showed that estimates were unbiased when an interaction term was included in the model. CONCLUSION: Cox-MSM may be used for accurately estimating causal individual and joined treatment effects from a combination therapy in presence of time-dependent confounding provided that an interaction term is estimated. PMID- 29202692 TI - A comparative analysis of nonhost resistance across the two Triticeae crop species wheat and barley. AB - BACKGROUND: Nonhost resistance (NHR) protects plants against a vast number of non adapted pathogens which implicates a potential exploitation as source for novel disease resistance strategies. Aiming at a fundamental understanding of NHR a global analysis of transcriptome reprogramming in the economically important Triticeae cereals wheat and barley, comparing host and nonhost interactions in three major fungal pathosystems responsible for powdery mildew (Blumeria graminis ff. ssp.), cereal blast (Magnaporthe sp.) and leaf rust (Puccinia sp.) diseases, was performed. RESULTS: In each pathosystem a significant transcriptome reprogramming by adapted- or non-adapted pathogen isolates was observed, with considerable overlap between Blumeria, Magnaporthe and Puccinia. Small subsets of these general pathogen-regulated genes were identified as differentially regulated between host and corresponding nonhost interactions, indicating a fine tuning of the general pathogen response during the course of co-evolution. Additionally, the host- or nonhost-related responses were rather specific for each pair of adapted and non-adapted isolates, indicating that the nonhost resistance-related responses were to a great extent pathosystem-specific. This pathosystem-specific reprogramming may reflect different resistance mechanisms operating against non-adapted pathogens with different lifestyles, or equally, different co-option of the hosts by the adapted isolates to create an optimal environment for infection. To compare the transcriptional reprogramming between wheat and barley, putative orthologues were identified. Within the wheat and barley general pathogen-regulated genes, temporal expression profiles of orthologues looked similar, indicating conserved general responses in Triticeae against fungal attack. However, the comparison of orthologues differentially expressed between host and nonhost interactions revealed fewer commonalities between wheat and barley, but rather suggested different host or nonhost responses in the two cereal species. CONCLUSIONS: Taken together, our results suggest independent co-evolutionary forces acting on host pathosystems mirrored by barley- or wheat-specific nonhost responses. As a result of evolutionary processes, at least for the pathosystems investigated, NHR appears to rely on rather specific plant responses. PMID- 29202693 TI - Functional analysis of the GRMZM2G174449 promoter to identify Rhizoctonia solani inducible cis-elements in maize. AB - BACKGROUND: Banded leaf and sheath blight (BLSB), caused by the necrotrophic fungus Rhizoctonia solani, is a highly devastating disease in most maize and rice growing areas of the world. However, the molecular mechanisms of perceiving pathogen signals are poorly understood in hosts. RESULTS: Here, we identified a Rhizoctonia solani-inducible promoter pGRMZM2G174449 in maize. Deletion analysis showed that the -574 to -455 fragment was necessary for pGRMZM2G174449 in responding to R. solani and this fragment contained the unknown pathogen inducible cis-elements according to the bioinformatics analysis. Furthermore, detailed quantitative assays showed that two cis-elements, GCTGA in the -567 to 563 region and TATAT in the -485 to -481 region, were specifically responsible for the R. solani-inducible activity. A series of point mutation analysis indicated that the two cis-elements have the conserved motifs of NHWGN and DWYWT, respectively. CONCLUSION: Our results indicated that pGRMZM2G174449 is a good R. solani-inducible promoter suitable for genetic engineering of BLSB resistance. And NHWGN and DWYWT are two R. solani-inducible cis-elements that play important roles in pGRMZM2G174449 responding to R. solani. PMID- 29202694 TI - Alternative patterns of sex chromosome differentiation in Aedes aegypti (L). AB - BACKGROUND: Some populations of West African Aedes aegypti, the dengue and zika vector, are reproductively incompatible; our earlier study showed that divergence and rearrangements of genes on chromosome 1, which bears the sex locus (M), may be involved. We also previously described a proposed cryptic subspecies SenAae (PK10, Senegal) that had many more high inter-sex FST genes on chromosome 1 than did Ae.aegypti aegypti (Aaa, Pai Lom, Thailand). The current work more thoroughly explores the significance of those findings. RESULTS: Intersex standardized variance (FST) of single nucleotide polymorphisms (SNPs) was characterized from genomic exome capture libraries of both sexes in representative natural populations of Aaa and SenAae. Our goal was to identify SNPs that varied in frequency between males and females, and most were expected to occur on chromosome 1. Use of the assembled AaegL4 reference alleviated the previous problem of unmapped genes. Because the M locus gene nix was not captured and not present in AaegL4, the male-determining locus, per se, was not explored. Sex associated genes were those with FST values >= 0.100 and/or with increased expected heterozygosity (H exp , one-sided T-test, p < 0.05) in males. There were 85 genes common to both collections with high inter-sex FST values; all genes but one were located on chromosome 1. Aaa showed the expected cluster of high inter sex FST genes proximal to the M locus, whereas SenAae had inter-sex FST genes along the length of chromosome 1. In addition, the Aaa M-locus proximal region showed increased H exp levels in males, whereas SenAae did not. In SenAae, chromosomal rearrangements and subsequent suppressed recombination may have accelerated X-Y differentiation. CONCLUSIONS: The evidence presented here is consistent with differential evolution of proto-Y chromosomes in Aaa and SenAae. PMID- 29202696 TI - ROSC rates and live discharge rates after cardiopulmonary resuscitation by different CPR teams - a retrospective cohort study. AB - BACKGROUND: Previous studies have reported that the quality of cardiopulmonary resuscitation (CPR) is closely associated with patient outcomes. The aim of this study was to compare patient CPR outcomes across resident, emergency medicine, and rapid response teams. METHODS: The records of patients who underwent CPR at the Seoul National University Bundang Hospital from January 1, 2013 to December 31, 2016 were analyzed retrospectively. Return of spontaneous circulation, 10- and 30-day survival, and live discharge after return of spontaneous circulation were compared across patients treated by the three CPR teams. RESULTS: Of the 1145 CPR cases, 444 (39%) were conducted by the resident team, 431 (38%) by the rapid response team, and 270 (23%) by the emergency medicine team. The adjusted odds ratios for the return of spontaneous circulation and subsequent 10-day survival among patients who received CPR from the resident team compared to the rapid response team were 0.59 (P = 0.001) and 0.71 (P = 0.037), respectively. There were no significant differences in the 30-day survival and rate of live discharge between patients who received CPR from the rapid response and resident teams; likewise, no significant differences were observed between patients who received CPR from the emergency medicine and rapid response teams. CONCLUSIONS: Patients receiving CPR from the rapid response team may have higher 10-day survival and return of spontaneous circulation rates than those who receive CPR from the resident team. However, our results are limited by the differences in approach, time of CPR, and room settings between teams. PMID- 29202695 TI - Single-cell RNA-Seq analysis reveals dynamic trajectories during mouse liver development. AB - BACKGROUND: The differentiation and maturation trajectories of fetal liver stem/progenitor cells (LSPCs) are not fully understood at single-cell resolution, and a priori knowledge of limited biomarkers could restrict trajectory tracking. RESULTS: We employed marker-free single-cell RNA-Seq to characterize comprehensive transcriptional profiles of 507 cells randomly selected from seven stages between embryonic day 11.5 and postnatal day 2.5 during mouse liver development, and also 52 Epcam-positive cholangiocytes from postnatal day 3.25 mouse livers. LSPCs in developing mouse livers were identified via marker-free transcriptomic profiling. Single-cell resolution dynamic developmental trajectories of LSPCs exhibited contiguous but discrete genetic control through transcription factors and signaling pathways. The gene expression profiles of cholangiocytes were more close to that of embryonic day 11.5 rather than other later staged LSPCs, cuing the fate decision stage of LSPCs. Our marker-free approach also allows systematic assessment and prediction of isolation biomarkers for LSPCs. CONCLUSIONS: Our data provide not only a valuable resource but also novel insights into the fate decision and transcriptional control of self renewal, differentiation and maturation of LSPCs. PMID- 29202697 TI - Genetic diversity and association mapping of mineral element concentrations in spinach leaves. AB - BACKGROUND: Spinach is a useful source of dietary vitamins and mineral elements. Breeding new spinach cultivars with high nutritional value is one of the main goals in spinach breeding programs worldwide, and identification of single nucleotide polymorphism (SNP) markers for mineral element concentrations is necessary to support spinach molecular breeding. The purpose of this study was to conduct a genome-wide association study (GWAS) and to identify SNP markers associated with mineral elements in the USDA-GRIN spinach germplasm collection. RESULTS: A total of 14 mineral elements: boron (B), calcium (Ca), cobalt (Co), copper (Cu), iron (Fe), potassium (K), magnesium (Mg), manganese (Mn), molybdenum (Mo), sodium (Na), nickel (Ni), phosphorus (P), sulfur (S), and zinc (Zn) were evaluated in 292 spinach accessions originally collected from 29 countries. Significant genetic variations were found among the tested genotypes as evidenced by the 2 to 42 times difference in mineral concentrations. A total of 2402 SNPs identified from genotyping by sequencing (GBS) approach were used for genetic diversity and GWAS. Six statistical methods were used for association analysis. Forty-five SNP markers were identified to be strongly associated with the concentrations of 13 mineral elements. Only two weakly associated SNP markers were associated with K concentration. Co-localized SNPs for different elemental concentrations were discovered in this research. Three SNP markers, AYZV02017731_40, AYZV02094133_57, and AYZV02281036_185 were identified to be associated with concentrations of four mineral components, Co, Mn, S, and Zn. There is a high validating correlation coefficient with r > 0.7 among concentrations of the four elements. Thirty-one spinach accessions, which rank in the top three highest concentrations in each of the 14 mineral elements, were identified as potential parents for spinach breeding programs in the future. CONCLUSIONS: The 45 SNP markers strongly associated with the concentrations of the 13 mineral elements: B, Ca, Co, Cu, Fe, Mg, Mn, Mo, Na, Ni, P, S, and Zn could be used in breeding programs to improve the nutritional quality of spinach through marker-assisted selection (MAS). The 31 spinach accessions with high concentrations of one to several mineral elements can be used as potential parents for spinach breeding programs. PMID- 29202698 TI - Safety and applicability of a pre-stage public access ventilator for trained laypersons: a proof of principle study. AB - BACKGROUND: Contemporary resuscitation guidelines for basic life support recommend an immediate onset of cardiac compressions in case of cardiac arrest followed by rescue breaths. Effective ventilation is often omitted due to fear of doing harm and fear of infectious diseases. In order to improve ventilation a pre stage of an automatic respirator was developed for use by laypersons. METHODS: Fifty-two healthy volunteers were ventilated by means of a prototype respirator via a full-face mask in a pilot study. The pre-stage public access ventilator (PAV) consisted of a low-cost self-designed turbine, with sensors for differential pressure, flow, FO2, FCO2 and 3-axis acceleration measurement. Sensor outputs were used to control the respirator and to recognize conditions relevant for efficiency of ventilation and patients' safety. Different respiratory manoeuvres were applied: a) pressure controlled ventilation (PCV), b) PCV with controlled leakage and c) PCV with simulated airway occlusion. Sensor signals were analysed to detect leakage and airway occlusion. Detection based upon sensor signals was compared with evaluation based on clinical observation and additional parameters such as exhaled CO2. RESULTS: Pressure controlled ventilation could be realized in all volunteers. Leakage was recognized with 93.5% sensitivity and 93.5% specificity. Simulated airway occlusion was detected with 91.8% sensitivity and 91.7% specificity. CONCLUSION: The pre-stage PAV was able to detect potential complications relevant for patients' safety such as leakage and airway occlusion in a proof of principle study. Prospectively, this device provides a respectable basis for the development of an automatic emergency respirator and may help to improve bystander resuscitation. PMID- 29202699 TI - Comparison of lipopolysaccharides composition of two different strains of Helicobacter pylori. AB - BACKGROUND: Helicobacter pylori (H. pylori) is a Gram-negative, microaerophilic bacterium that is recognized as a major cause of chronic gastritis, peptic ulcers, and gastric cancer. Comparable to other Gram-negative bacteria, lipopolysaccharides (LPS) are an important cellular component of the outer membrane of H. pylori. The LPS of this organism plays a key role in its colonization and persistence in the stomach. In addition, H. pylori LPS modulates pathogen-induced host inflammatory responses resulting in chronic inflammation within the gastrointestinal tract. Very little is known about the comparative LPS compositions of different strains of H. pylori with varied degree of virulence in human. Therefore, LPS was analyzed from two strains of H. pylori with differing potency in inducing inflammatory responses (SS1 and G27). LPS were extracted from aqueous and phenol layer of hot-phenol water extraction method and subjected for composition analysis by gas chromatography - mass spectrometry (GC-MS) to sugar and fatty acid compositions. RESULTS: The major difference between the two strains of H. pylori is the presence of Rhamnose, Fucose and GalNAc in the SS1 strain, which was either not found or with low abundance in the G27 strain. On the other hand, high amount of Mannose was present in G27 in comparison to SS1. Fatty acid composition of lipid-A portion also showed considerable amount of differences between the two strains, phenol layer of SS1 had enhanced amount of 3 hydroxy decanoic acid (3-OH-C10:0) and 3-hydroxy dodecanoic acid (3-OH-C12:0) which were not present in G27, whereas myristic acid (C14:0) was present in G27 in relatively high amount. CONCLUSION: The composition analysis of H. pylori LPS, revealed differences in sugars and fatty acids composition between a mouse adapted strain SS1 and G27. This knowledge provides a novel way to dissect out their importance in host-pathogen interaction in further studies. PMID- 29202700 TI - Characterization of lpaH2 gene corresponding to lipopeptide synthesis in Bacillus amyloliquefaciens HAB-2. AB - BACKGROUND: Bacillus spp. have prominent ability to suppress plant pathogens and corresponding diseases. Previous analyses of Bacillus spp. revealed numerous gene clusters involved in nonribosomal synthesis of cyclic lipopeptides with distinct antimicrobial action. The 4'-phosphopantetheinyl transferase (PPTase) encoded by sfp gene is a key factor in lipopeptide synthesis in Bacillus spp. In previous study, B. amyloliquefaciens strain HAB-2 was found to inhibit a broad range of plant pathogens, which was attributed to its secondary metabolite lipopeptide. RESULTS: A sfp homologue lpaH2 which encoded phosphopantetheinyl transferase but shared 71% sequence similarity was detected in strain HAB-2. Disruption of lpaH2 gene resulted in losing the ability of strain HAB-2 to produce lipopeptide, as well as antifungal and hemolytic activities. When lpaH2 replaced sfp gene of B. subtilis strain 168, a non-lipopeptide producer, the genetically engineered strain 168 could produced lipopeptides and recovered antifungal activity. Quantitative PCR assays indicated that, the expression level of lpaH2 in B. subtilis 168 strain decrease to 0.27-fold compared that of the wild type B. amyloliquefaciens strain HAB-2. CONCLUSION: Few studies have reported about lpa gene which can replace sfp gene in the different species. Taken together, our study showed for the first time that lpaH2 from B. amyloliquefaciens could replace sfp gene. PMID- 29202701 TI - Effects of sevoflurane and propofol on the development of pneumonia after esophagectomy: a retrospective cohort study. AB - BACKGROUND: Postoperative pneumonia (PP) is one of the common complications following esophagectomy and associated with poor short- and long-term outcomes. Sevoflurane and propofol, which have inflammatory-modulating effects, are common used general anesthetics. This study aimed to compare the effects of anesthesia with sevoflurane and propofol on the development of PP after esophageal surgery for cancer. METHODS: The electronic medical records of patients who underwent elective esophagectomy between July 2013 and July 2016 were reviewed. We conducted univariate and multivariate logistics analysis and propensity score matching analysis to compare the effect of sevoflurane and propofol on the incidence of PP and to identify the risk factors for PP after esophagectomy. RESULTS: Overall, the incidence of postoperative pneumonia was 9.5%. There was no significant difference in the rates of PP between sevoflurane group and propofol group either before or after propensity score matching (9.6% vs 8.0%, P = 0.606; 7.7% vs 6.4%, P = 0.754, respectively). Univariate and multivariate analysis revealed that alcohol use (OR 1.513; 95% CI 1.062-2.156), surgical procedure (Sweet: referent; Ivor-Lewis: OR 1.993; 95% CI 1.190-3.337; Three-incision: OR 1.878; 95% CI 1.296-2.722) and surgeon experience (high-volume: referent; low volume: OR 1.525; 95% CI 1.090-2.135) were significant risk factors of postoperative pneumonia. CONCLUSIONS: Sevoflurane did not differ from propofol in terms of affecting the risk of PP development after esophagectomy. PMID- 29202703 TI - The ability of left ventricular end-diastolic volume variations measured by TEE to monitor fluid responsiveness in high-risk surgical patients during craniotomy: a prospective cohort study. AB - BACKGROUND: This study was aimed to evaluate the ability of left ventricular end diastolic volume variations (LVEDVV) measured by transesophageal echocardiography (TEE) compared with stroke volume variation (SVV) obtained by the FloTrac/Vigileo monitor to predict fluid responsiveness, in patients undergoing craniotomy with goal direct therapy. METHODS: We used SVV obtained by the FloTrac/Vigileo monitor to manage intraoperative hypotension in adult patients undergoing craniotomy (ASA III - IV) after obtaining IRB approval and informed consent. The LVEDVV were measured by TEE through the changes of left ventricular short diameter of axle simultaneously. When cardiac index (CI) <= 2.5 and SVV >= 15%, comparisons were made between the two devices before and after volume expansion. RESULTS: We enrolled twenty-six patients referred for craniotomy in this study and 145 pairs of data were obtained. Mean Vigileo-SVV and TEE-LVEDVV were 17.8 +/- 2.78% and 22.1 +/- 7.25% before volume expansion respectively, and were 10.95 +/- 2.8% and 13.58 +/- 3.78% after volume expansion respectively (P < 0.001). The relationship between Vigileo-SVV and TEE-LVEDVV was significant (r2 = 0.55; p < 0.001). Agreement between Vigileo-SVV and TEE-LVEDVV was 3.3% +/- 3.9% (mean bias +/- SD, Bland-Altman). CONCLUSIONS: For fluid responsiveness of patients during craniotomy in ASA III-IV, LVEDVV measured by left ventricular short diameter of axle using M type echocaidiographic measurement seems an acceptable monitoring indicator. This accessible method has promising clinical applications in situations where volume and cardiac function monitoring is of great importance during surgery. TRIAL REGISTRATION: Chinese Clinical Trial Registry, ChiCTR-TRC 13003583 , August 20, 2013. PMID- 29202704 TI - Prevention of tick bites: an evaluation of a smartphone app. AB - BACKGROUND: Lyme borreliosis (LB) is the most common reported tick-borne infection in Europe, and involves transmission of Borrelia by ticks. As long as a vaccine is not available and effective measures for controlling tick populations are insufficient, LB control is focused on preventive measures to avoid tick bites. To inform citizens about the risk of ticks, motivate them to check for tick bites, and encourage them to remove any attached tick as quickly as possible, a mobile app called 'Tekenbeet' (Dutch for 'tick bite') was developed and released. The aim of this study was to evaluate the usage and user satisfaction of the 'Tekenbeet' app and to investigate whether it affects users' knowledge, perceived severity, perceived susceptibility, self-efficacy, response efficacy, current behavior and intention to comply with preventive measures. METHODS: Usage of the app was evaluated with data obtained from Google Analytics. A survey among the Dutch general adult population with two data collection periods evaluated the usage, user satisfaction and its influence on abovementioned outcomes. RESULTS: Data obtained from Google Analytics showed the app was downloaded almost 40,000 in the 20 months following the launch. The 'tick radar' and 'tick diary' screens were viewed most often. In addition, a total of 554 respondents completed an online survey. The mean user satisfaction score was 7.44 (on a scale of 1-10) and 90.9% of respondents would recommend the app to others. On average, survey respondents who downloaded the app (n = 243) recorded significantly more often higher knowledge scores (OR 3.37; 95% CI 2.02-5.09) and had a higher intention to comply with preventive measures (OR 2.47; 95% CI 1.22 5.85) compared to respondents who did not download the app (n = 311). CONCLUSIONS: The 'Tekenbeet' app is a frequently used and well-appreciated educational tool to increase public knowledge of ticks and tick bites. It also helps to improve the user's intention to apply preventive measures. The use of smartphones and apps is now commonplace in the Netherlands; the 'Tekenbeet' app feeds into this trend and thereby offers a modern day alternative to established formats such as an information leaflet and information provision on the Internet. PMID- 29202702 TI - C-reactive protein (CRP) but not the related pentraxins serum amyloid P and PTX3 inhibits the proliferation and induces apoptosis of the leukemia cell line Mono Mac 6. AB - BACKGROUND: Pentraxins are a family of highly conserved secreted proteins that regulate the innate immune system, including monocytes and macrophages. C reactive protein (CRP) is a plasma protein whose levels can rise to 1000 MUg/ml from the normal <3 MUg/ ml during inflammation. RESULTS: We find that CRP inhibits proliferation of the human myeloid leukemia cell line Mono Mac 6 with an IC50 of 75 MUg/ ml by inducing apoptosis of these cells. The related proteins serum amyloid P (SAP) and pentraxin 3 (PTX3) do not inhibit Mono Mac 6 proliferation. CRP has no significant effect on the proliferation of other leukemia cell lines such as HL-60, Mono Mac 1, K562, U937, or THP-1, or the survival of normal peripheral blood cells. The effect of CRP appears to be dependent on the CRP receptor FcgammaRI, and is negatively regulated by a phosphatidylinositol -3-kinase pathway. CONCLUSION: These data reveal differential signaling by pentraxins on immune cells, and suggest that CRP can regulate the proliferation of some myeloid leukemia cells. PMID- 29202705 TI - Differences in global gene expression in muscle tissue of Nellore cattle with divergent meat tenderness. AB - BACKGROUND: Meat tenderness is the consumer's most preferred sensory attribute. This trait is affected by a number of factors, including genotype, age, animal sex, and pre- and post-slaughter management. In view of the high percentage of Zebu genes in the Brazilian cattle population, mainly Nellore cattle, the improvement of meat tenderness is important since the increasing proportion of Zebu genes in the population reduces meat tenderness. However, the measurement of this trait is difficult once it can only be made after animal slaughtering. New technologies such as RNA-Seq have been used to increase our understanding of the genetic processes regulating quantitative traits phenotypes. The objective of this study was to identify differentially expressed genes related to meat tenderness, in Nellore cattle in order to elucidate the genetic factors associated with meat quality. Samples were collected 24 h postmortem and the meat was not aged. RESULTS: We found 40 differentially expressed genes related to meat tenderness, 17 with known functions. Fourteen genes were up-regulated and 3 were down-regulated in the tender meat group. Genes related to ubiquitin metabolism, transport of molecules such as calcium and oxygen, acid-base balance, collagen production, actin, myosin, and fat were identified. The PCP4L1 (Purkinje cell protein 4 like 1) and BoLA-DQB (major histocompatibility complex, class II, DQ beta) genes were validated by qRT-PCR. The results showed relative expression values similar to those obtained by RNA-Seq, with the same direction of expression (i.e., the two techniques revealed higher expression of PCP4L1 in tender meat samples and of BoLA-DQB in tough meat samples). CONCLUSIONS: This study revealed the differential expression of genes and functions in Nellore cattle muscle tissue, which may contain potential biomarkers involved in meat tenderness. PMID- 29202706 TI - Ancient DNA reveals genetic connections between early Di-Qiang and Han Chinese. AB - BACKGROUND: Ancient Di-Qiang people once resided in the Ganqing region of China, adjacent to the Central Plain area from where Han Chinese originated. While gene flow between the Di-Qiang and Han Chinese has been proposed, there is no evidence to support this view. Here we analyzed the human remains from an early Di-Qiang site (Mogou site dated ~4000 years old) and compared them to other ancient DNA across China, including an early Han-related site (Hengbei site dated ~3000 years old) to establish the underlying genetic relationship between the Di-Qiang and ancestors of Han Chinese. RESULTS: We found Mogou mtDNA haplogroups were highly diverse, comprising 14 haplogroups: A, B, C, D (D*, D4, D5), F, G, M7, M8, M10, M13, M25, N*, N9a, and Z. In contrast, Mogou males were all Y-DNA haplogroup O3a2/P201; specifically one male was further assigned to O3a2c1a/M117 using targeted unique regions on the non-recombining region of the Y-chromosome. We compared Mogou to 7 other ancient and 38 modern Chinese groups, in a total of 1793 individuals, and found that Mogou shared close genetic distances with Taojiazhai (a more recent Di-Qiang population), Hengbei, and Northern Han. We modeled their interactions using Approximate Bayesian Computation, and support was given to a potential admixture of ~13-18% between the Mogou and Northern Han around 3300-3800 years ago. CONCLUSIONS: Mogou harbors the earliest genetically identifiable Di-Qiang, ancestral to the Taojiazhai, and up to ~33% paternal and ~70% of its maternal haplogroups could be found in present-day Northern Han Chinese. PMID- 29202707 TI - Functional SNP allele discovery (fSNPd): an approach to find highly penetrant, environmental-triggered genotypes underlying complex human phenotypes. AB - BACKGROUND: Significant human diseases/phenotypes exist which require both an environmental trigger event and a genetic predisposition before the disease/phenotype emerges, e.g. Carbamazepine with the rare SNP allele of rs3909184 causing Stevens Johnson syndrome, and aminoglycosides with rs267606617 causing sensory neural deafness. The underlying genotypes are fully penetrant only when the correct environmental trigger(s) occur, otherwise they are silent and harmless. Such diseases/phenotypes will not appear to have a Mendelian inheritance pattern, unless the environmental trigger is very common (>50% per lifetime). The known causative genotypes are likely to be protein-altering SNPs with dominant/semi-dominant effect. We questioned whether other diseases and phenotypes could have a similar aetiology. METHODS: We wrote the fSNPd program to analyse multiple exomes from a test cohort simultaneously with the purpose of identifying SNP alleles at a significantly different frequency to that of the general population. fSNPd was tested on trial cohorts, iteratively improved, and modelled for performance against an idealised association study under mutliple parameters. We also assessed the seqeuncing depath of all human exons to determine which were sufficiently well sequenced in an exome to be sued by fSNPd by assessing forty exomes base by base. RESULTS: We describe a simple methodology for the detection of SNPs capable of causing a phenotype triggered by an environmental event. This uses cohorts of relatively small size (30-100 individuals) with the phenotype being investigated, their exomes, and thence seeks SNP allele frequencies significantly different from expected to identify potentially clinically important, protein altering SNP alleles. The strengths and weaknesses of this approach for discovering significant genetic causes of human disease are comparable to Mendelian disease mutation detection and Association Studies. CONCLUSIONS: The fSNPd methodology is another approach, and has potentially significant advantage over Association studies in needing far fewer individuals, to detect genes involved in the pathogenesis of a diseases/phenotypes. Furthermore, the SNP alleles identified alter amino acids, potentially making it easier to devise functional assays of protein function to determine pathogenicity. PMID- 29202708 TI - ERDO - a framework to select an appropriate randomization procedure for clinical trials. AB - BACKGROUND: Randomization is considered to be a key feature to protect against bias in randomized clinical trials. Randomization induces comparability with respect to known and unknown covariates, mitigates selection bias, and provides a basis for inference. Although various randomization procedures have been proposed, no single procedure performs uniformly best. In the design phase of a clinical trial, the scientist has to decide which randomization procedure to use, taking into account the practical setting of the trial with respect to the potential of bias. Less emphasis has been placed on this important design decision than on analysis, and less support has been available to guide the scientist in making this decision. METHODS: We propose a framework that weights the properties of the randomization procedure with respect to practical needs of the research question to be answered by the clinical trial. In particular, the framework assesses the impact of chronological and selection bias on the probability of a type I error. The framework is applied to a case study with a 2 arm parallel group, single center randomized clinical trial with continuous endpoint, with no-interim analysis, 1:1 allocation and no adaptation in the randomization process. RESULTS: In so doing, we derive scientific arguments for the selection of an appropriate randomization procedure and develop a template which is illustrated in parallel by a case study. Possible extensions are discussed. CONCLUSION: The proposed ERDO framework guides the investigator through a template for the choice of a randomization procedure, and provides easy to use tools for the assessment. The barriers for the thorough reporting and assessment of randomization procedures could be further reduced in the future when regulators and pharmaceutical companies employ similar, standardized frameworks for the choice of a randomization procedure. PMID- 29202710 TI - Parallel loss of introns in the ABCB1 gene in angiosperms. AB - BACKGROUND: The presence of non-coding introns is a characteristic feature of most eukaryotic genes. While the size of the introns, number of introns per gene and the number of intron-containing genes can vary greatly between sequenced eukaryotic genomes, the structure of a gene with reference to intron presence and positions is typically conserved in closely related species. Unexpectedly, the ABCB1 (ATP-Binding Cassette Subfamily B Member 1) gene which encodes a P glycoprotein and underlies dwarfing traits in maize (br2), sorghum (dw3) and pearl millet (d2) displayed considerable variation in intron composition. RESULTS: An analysis of the ABCB1 gene structure in 80 angiosperms revealed that the number of introns ranged from one to nine. All introns in ABCB1 underwent either a one-time loss (single loss in one lineage/species) or multiple independent losses (parallel loss in two or more lineages/species) with the majority of losses occurring within the grass family. In contrast, the structure of the closest homolog to ABCB1, ABCB19, remained constant in the majority of angiosperms analyzed. Using known phylogenetic relationships within the grasses, we determined the ancestral branch-points where the losses occurred. Intron 7, the longest intron, was lost in only a single species, Mimulus guttatus, following duplication of ABCB1. Semiquantitative PCR showed that the M. guttatus ABCB1 gene copy without intron 7 had significantly lower transcript levels than the gene copy with intron 7. We further demonstrated that intron 7 carried two motifs that were highly conserved across the monocot-dicot divide. CONCLUSIONS: The ABCB1 gene structure is highly dynamic, while the structure of ABCB19 remained largely conserved through evolution. Precise removal of introns, preferential removal of smaller introns and presence of at least 2 bp of microhomology flanking most introns indicated that intron loss may have predominantly occurred through non-homologous end-joining (NHEJ) repair of double strand breaks. Lack of microhomology in the exon upstream of lost phase I introns was likely due to release of the selective constraint on the penultimate base (3rd base in codon) of the terminal codon by the splicing machinery. In addition to size, the presence of regulatory motifs will make introns recalcitrant to loss. PMID- 29202711 TI - Design and validation of a German version of the GSRS-IBS - an analysis of its psychometric quality and factorial structure. AB - BACKGROUND: Currently, a suitable questionnaire in German language is not available to monitor the progression and evaluate the severity of irritable bowel syndrome (IBS). Therefore, this study aimed to translate the Gastrointestinal Symptom Rating Scale for Irritable Bowel Syndrome (GSRS-IBS) into German and to evaluate its psychometric qualities and factorial structure. METHODS: This study is based on a total sample of 372 participants [62.6% female, mean age = 41 years (SD = 17 years)]. 17.5% of the participants had a diagnosis of IBS, 19.9% were receiving treatment for chronic inflammatory bowel disease, 12.1% of the participants were recruited from a psychosomatic clinic, and 50.5% belonged to a control group. All participants completed the German version of GSRS-IBS (called Reizdarm-Fragebogen, RDF), as well as the Giebetaen Subjective Complaints List (GBB-24) and the Hospital Anxiety and Depression Scale - German version (HADS-D). RESULTS: The internal consistency of the RDF total scale was at least satisfactory in all subsamples (Cronbach's Alpha between .77 and .92), and for all subscales (Cronbach's Alpha between .79 and .91). The item difficulties (between .25 and .73) and the item-total correlations (between .48 and .83) were equally satisfactory. Principal axis analysis revealed a four-factorial structure of the RDF items, which mainly resembled the structure of the English original. Convergent validity was established based on substantial and significant correlations with the stomach-complaint scale of the GBB-24 (r = .71; p < .01) and the anxiety (r = .42; p < .01) and depression scales (r = .43; p < .01) of the HADS-D. CONCLUSION: The German version of the GSRS-IBS RDF proves to be an effective, reliable, and valid questionnaire for the assessment of symptom severity in IBS, which can be used in clinical practice as well as in clinical studies. PMID- 29202709 TI - Transcriptomic and metabolic responses of Calotropis procera to salt and drought stress. AB - BACKGROUND: Calotropis procera is a wild plant species in the family Apocynaceae that is able to grow in harsh, arid and heat stressed conditions. Understanding how this highly adapted plant persists in harsh environments should inform future efforts to improve the hardiness of crop and forage plant species. To study the plant response to droMUght and osmotic stress, we treated plants with polyethylene glycol and NaCl and carried out transcriptomic and metabolomics measurements across a time-course of five days. RESULTS: We identified a highly dynamic transcriptional response across the time-course including dramatic changes in inositol signaling, stress response genes and cytokinins. The resulting metabolome changes also involved sharp increases of myo-inositol, a key signaling molecule and elevated amino acid metabolites at later times. CONCLUSIONS: The data generated here provide a first glimpse at the expressed genome of C. procera, a plant that is exceptionally well adapted to arid environments. We demonstrate, through transcriptome and metabolome analysis that myo-inositol signaling is strongly induced in response to drought and salt stress and that there is elevation of amino acid concentrations after prolonged osmotic stress. This work should lay the foundations of future studies in adaptation to arid environments. PMID- 29202712 TI - Global gene expression reveals stress-responsive genes in Aspergillus fumigatus mycelia. AB - BACKGROUND: Aspergillus fumigatus is a human fungal pathogen that causes aspergillosis in immunocompromised hosts. A. fumigatus is believed to be exposed to diverse environmental stresses in the host cells. The adaptation mechanisms are critical for infections in human bodies. Transcriptional networks in response to diverse environmental challenges remain to be elucidated. To gain insights into the adaptation to environmental stresses in A. fumigatus mycelia, we conducted time series transcriptome analyses. RESULTS: With the aid of RNA-seq, we explored the global gene expression profiles of mycelia in A. fumigatus upon exposure to diverse environmental changes, including heat, superoxide, and osmotic stresses. From the perspective of global transcriptomes, transient responses to superoxide and osmotic stresses were observed while responses to heat stresses were gradual. We identified the stress-responsive genes for particular stresses, and the 266 genes whose expression levels drastically fluctuated upon exposure to all tested stresses. Among these, the 77 environmental stress response genes are conserved in S. cerevisiae, suggesting that these genes might be more general prerequisites for adaptation to environmental stresses. Finally, we revealed the strong correlations among expression profiles of genes related to 'rRNA processing'. CONCLUSIONS: The time series transcriptome analysis revealed the stress-responsive genes underlying the adaptation mechanisms in A. fumigatus mycelia. These results will shed light on the regulatory networks underpinning the adaptation of the filamentous fungi. PMID- 29202714 TI - Improving quality of care for maternal and newborn health: a pre-post evaluation of the Safe Childbirth Checklist at a hospital in Bangladesh. AB - BACKGROUND: Bangladesh has achieved major gains in maternal and newborn survival, facility childbirth and skilled birth attendance between 1991 and 2010, but excess maternal mortality persists. High-quality maternal health care is necessary to address this burden. Implementation of WHO Safe Childbirth Checklist (SCC), whose items address the major causes of maternal deaths, is hypothesized to improve adherence of providers to essential childbirth practices. METHOD: The SCC was adapted for the local context through expert consultation meetings, creating a total of 27 checklist items. This study was a pre-post evaluation of SCC implementation. Data were collected over 8 months at Magura District Hospital. We analysed 468 direct observations of birth (main analysis using 310 complete observations and sensitivity analysis with the additional 158 incomplete observations) from admission to discharge. The primary outcome of interest was the number of essential childbirth practices performed before compared to after SCC implementation. The change was assessed using adjusted Poisson regression models accounting for clustering by nurse-midwives. RESULT: After checklist introduction, significant improvements were observed: on average, around 70% more of these safe childbirth practices were performed in the follow-up period compared to baseline (from 11 to 19 out of 27 practices). Substantial increases were seen in communication between nurse-midwives and mothers (counselling), and in management of complications (including rational use of medicines). In multivariable models that included characteristics of the mothers and of the nurse-midwives, the rate of delivering the essential childbirth practices was 1.71 times greater in the follow-up compared to baseline (95% CI 1.61-1.81). CONCLUSION: Implementation of SCC has the potential to improve essential childbirth practice in resource-poor settings like Bangladesh. This study emphasizes the need for health system strengthening in order to achieve the full advantages of SCC implementation. PMID- 29202713 TI - IntroMap: a signal analysis based method for the detection of genomic introgressions. AB - BACKGROUND: Breeding programs often rely on marker-assisted tests or variant calling of next generation sequence (NGS) data to identify regions of genomic introgression arising from the hybridization of two plant species. In this paper we present IntroMap, a bioinformatics pipeline for the screening of candidate plants through the application of signal processing techniques to NGS data, using alignment to a reference genome sequence (annotation is not required) that shares homology with the recurrent parental cultivar, and without the need for de novo assembly of the read data or variant calling. RESULTS: We show the accurate identification of introgressed genomic regions using both in silico simulated genomes, and a hybridized cultivar data set using our pipeline. Additionally we show, through targeted marker-based assays, validation of the IntroMap predicted regions for the hybrid cultivar. CONCLUSIONS: This approach can be used to automate the screening of large populations, reducing the time and labor required, and can improve the accuracy of the detection of introgressed regions in comparison to a marker-based approach. In contrast to other approaches that generally rely upon a variant calling step, our method achieves accurate identification of introgressed regions without variant calling, relying solely upon alignment. PMID- 29202715 TI - Epidemiology of influenza in West Africa after the 2009 influenza A(H1N1) pandemic, 2010-2012. AB - BACKGROUND: Over the last decade, capacity for influenza surveillance and research in West Africa has strengthened. Data from these surveillance systems showed influenza A(H1N1)pdm09 circulated in West Africa later than in other regions of the continent. METHODS: We contacted 11 West African countries to collect information about their influenza surveillance systems (number of sites, type of surveillance, sampling strategy, populations sampled, case definitions used, number of specimens collected and number of specimens positive for influenza viruses) for the time period January 2010 through December 2012. RESULTS: Of the 11 countries contacted, 8 responded: Burkina Faso, Cote d'Ivoire, Mali, Mauritania, Niger, Nigeria, Sierra Leone and Togo. Countries used standard World Health Organization (WHO) case definitions for influenza-like illness (ILI) and severe acute respiratory illness (SARI) or slight variations thereof. There were 70 surveillance sites: 26 SARI and 44 ILI. Seven countries conducted SARI surveillance and collected 3114 specimens of which 209 (7%) were positive for influenza viruses. Among influenza-positive SARI patients, 132 (63%) were influenza A [68 influenza A(H1N1)pdm09, 64 influenza A(H3N2)] and 77 (37%) were influenza B. All eight countries conducted ILI surveillance and collected 20,375 specimens, of which 2278 (11%) were positive for influenza viruses. Among influenza-positive ILI patients, 1431 (63%) were influenza A [820 influenza A(H1N1)pdm09, 611 influenza A(H3N2)] and 847 (37%) were influenza B. A majority of SARI and ILI case-patients who tested positive for influenza (72% SARI and 59% ILI) were children aged 0-4 years, as were a majority of those enrolled in surveillance. The seasonality of influenza and the predominant influenza type or subtype varied by country and year. CONCLUSIONS: Influenza A(H1N1)pdm09 continued to circulate in West Africa along with influenza A(H3N2) and influenza B during 2010-2012. Although ILI surveillance systems produced a robust number of samples during the study period, more could be done to strengthen surveillance among hospitalized SARI case-patients. Surveillance systems captured young children but lacked data on adults and the elderly. More data on risk groups for severe influenza in West Africa are needed to help shape influenza prevention and clinical management policies and guidelines. PMID- 29202716 TI - Prediction of postoperative inflammatory complications after esophageal cancer surgery based on early changes in the C-reactive protein level in patients who received perioperative steroid therapy and enhanced recovery after surgery care: a retrospective analysis. AB - BACKGROUND: Serum C-reactive protein (CRP) level can be an indicator of the early stage of infectious complications. However, its utility in advanced esophageal cancer patients who receive radical esophagectomy with two- or three-field lymph node dissection with perioperative steroid therapy and enhanced recovery after surgery (ERAS) care is unclear. METHODS: The present study retrospectively examined 117 consecutive esophageal cancer patients who received neoadjuvant chemotherapy followed by radical esophagectomy. All patients received perioperative steroid therapy and ERAS care. The utility of the CRP value in the early detection of serious infectious complications (SICs) was evaluated based on the area under the receiver operating characteristic curve (AUC). Univariate and multivariate logistic regression analyses were performed to identify the risk factors for SICs. RESULTS: SICs were observed in 20 patients (17.1%). The CRP level on postoperative day (POD) 4 had superior diagnostic accuracy for SICs (AUC 0.778). The cut-off value for CRP was determined to be 4.0 mg/dl. A multivariate analysis identified CRP >= 4.0 mg/dl on POD 4 (odds ratio, 18.600; 95% confidence interval [CI], 4.610-75.200) and three-field lymph node dissection (odds ratio, 7.950; 95% CI, 1.900-33.400) as independent predictive factors. CONCLUSIONS: CRP value on POD 4 may be useful for predicting SICs in esophageal cancer patients who receive radical esophagectomy with perioperative steroid therapy and ERAS care. This result may encourage the performance of imaging studies to detect the focus and thereby lead to the early medical and/or surgical intervention to improve short-term outcomes. PMID- 29202717 TI - Ten years follow-up after surgery for a foveal detachment due to optic disc pit: a case report of outer retinal layer healing. AB - BACKGROUND: To report a case of complete progressive visual recovery and healing of outer retinal layers after vitrectomy for foveal detachment associated with optic disc pit. CASE PRESENTATION: Optical coherence tomography (OCT) follow-up was performed on a 15-year-old boy with deep optic disc pit and foveal detachment, before and for 10 years after vitrectomy with gas. The foveal detachment was successfully reattached with complete reapplication of the retina. OCT scans showed a progressive long-term retinal healing with reappearance of the ellipsoid line and visual acuity improved from 20/100 before surgery to 20/25, 10 years after surgery. CONCLUSIONS: Photoreceptor regeneration after foveal detachment surgery has been already described only in zebrafish but never humans. However, we highlight with this case that in humans, a healing process of the outer retinal layers can occur with reappearance of the ellipsoid zone on OCT. This healing process may take several years and allow a complete functional restoration. PMID- 29202718 TI - Google as a cancer control tool in Queensland. AB - BACKGROUND: Recent advances in methodologies utilizing "big data" have allowed researchers to investigate the use of common internet search engines as a real time tool to track disease. Little is known about its utility with tracking cancer incidence. This study aims to investigate the potential correlates of monthly internet search volume indexes (SVIs) and observed monthly age standardised incidence rates (ASRs) for breast cancer, colorectal cancer, melanoma and prostate cancer. METHODS: The monthly ASRs for the four cancers in Queensland were calculated using data from the Queensland Cancer Registry between January 2006 and December 2012. The monthly SVIs of the respective cancer search terms in Queensland were accessed from Google Trends for the same period. A time series seasonal decomposition method was performed to detect the seasonal patterns of SVIs and ASRs. Pearson's correlation coefficient and time series cross-correlation analysis were used to assess the associations between SVIs and ASRs. Linear regression models were used to examine the power of SVIs to predict monthly in ASRs. RESULTS: Increases in the monthly ASRs of the four cancers were significantly correlated with increases in the monthly SVIs of the respective cancers except for colorectal cancer. The predictive power of the SVIs to explain variances in the corresponding ASRs varied by cancer type, with the percent explained ranging from 5.6% for breast cancer to 17.9% for skin cancer (SVI) with melanoma (ASR). Some improvement in the variation explained was obtained by including more search terms or lagged SVIs for the respective cancers in the linear regression models. The seasonal analysis indicated that the SVIs peaked periodically at around their respective cancer awareness months. CONCLUSIONS: Using SVIs from a popular internet search engine was only able to explain a small portion of changes in the respective ASRs. While an expanded regression model explained a higher proportion of variability, the interpretation of this was difficult. Further development and refinement of this approach will be needed before search-based cancer surveillance can provide useful information regarding resource deployment to guide cancer control and track the impact of cancer awareness and education programmes. PMID- 29202719 TI - An in vitro splicing assay reveals the pathogenicity of a novel intronic variant in ATP6V0A4 for autosomal recessive distal renal tubular acidosis. AB - BACKGROUND: Autosomal recessive distal renal tubular acidosis (dRTA) is a rare hereditary disease caused by pathogenic variants in the ATP6V0A4 gene or ATP6V1B1 gene, and characterized by hyperchloremic metabolic acidosis with normal anion gap, hypokalemia, hypercalciuria, hypocitraturia and nephrocalcinosis. Although several intronic nucleotide variants in these genes have been detected, all of them fell in the apparent splice consensus sequence. In general, transcriptional analysis is necessary to determine the effect on function of the novel intronic variants located out of splicing consensus sequences. In recent years, functional splicing analysis using minigene construction was used to assess the pathogenicity of novel intoronic variant in various field. METHODS: We investigated a sporadic case of dRTA with a compound heterozygous mutation in the ATP6V0A4 gene, revealed by next generation sequencing. One variant was already reported as pathogenic; however, the other was a novel variant in intron 11 (c.1029 + 5G > A) falling outside of the apparent splicing consensus sequence. Expression of ATP6V0A4 was not detected in peripheral leukocytes by RT-PCR analysis. Therefore, an in vitro functional splicing study using minigene construction was conducted to analyze the splicing pattern of the novel variant. RESULTS: A minigene assay revealed that the novel intronic variant leads to a 104 bp insertion immediately following exon 11. In addition, this result was confirmed using RNA extracted from the patient's cultured leukocytes. CONCLUSION: These results proved the pathogenicity of a novel intronic variant in our patient. We concluded that the minigene assay is a useful, non-invasive method for functional splicing analysis of inherited kidney disease, even if standard transcriptional analysis could not detect abnormal mRNA. PMID- 29202720 TI - High-precision radiotherapy of motor deficits due to metastatic spinal cord compression (PRE-MODE): a multicenter phase 2 study. AB - BACKGROUND: For metastatic spinal cord compression (MSCC), conventional radiotherapy with 10 * 3 Gy in 2 weeks results in better local progression-free survival (LPFS) than 5 * 4 Gy in 1 week. Since patients with MSCC are often significantly impaired, an overall treatment time of 1 week would be preferable if resulting in similar outcomes as longer programs. This may be achieved with 5 * 5 Gy in 1 week, since the biologically effective dose is similar to 10 * 3 Gy. It can be expected that 5 * 5 Gy (like 10 * 3) Gy results in better LPFS than 5 * 4 Gy in 1 week. METHODS/DESIGN: This phase 2 study investigates LPFS after high precision RT with 5 * 5 Gy in 1 week. LPFS is defined as freedom from both progression of motor deficits during RT and new or progressive motor deficits dur to an in-field recurrence of MSCC following RT. Considering the tolerance dose of the spinal cord, 5 * 5 Gy can be safely administered with high-precision radiotherapy such as volumetric modulated arc therapy (VMAT) or stereotactic body radiotherapy (SBRT). Maximum dose to the spinal cord should not exceed 101.5% of the prescribed dose to keep the risk of radiation myelopathy below 0.03%. Primary endpoint is LPFS at 6 months following radiotherapy; secondary endpoints include motor function/ability to walk, sensory function, sphincter dysfunction, LPFS directly and 1 and 3 months following radiotherapy, overall survival, pain relief, quality of life and toxicity. Follow-up visits will be performed directly and at 1, 3 and 6 months following radiotherapy. After completion of this phase 2 study, patients will be compared to a historical control group receiving conventional radiotherapy with 5 * 4 Gy in 1 week. Forty-four patients will be included assuming 5 * 5 Gy will provide the same benefit in LPFS when compared to 5 * 4 Gy as reported for 10 * 3 Gy. DISCUSSION: If superiority regarding LPFS is shown for high-precision radiotherapy with 5 * 5 Gy when compared to conventional radiotherapy with 5 * 4 Gy, patients with MSCC would benefit from 5 * 5 Gy, since high LPFS rates could be achieved with 1 week of radiotherapy instead of 2 weeks (10 * 3 Gy). TRIAL REGISTRATION: clinicaltrials.gov NCT03070431 . Registered 27 February 2017. PMID- 29202721 TI - Portable acuity screening for any school: validation of patched HOTV with amblyopic patients and Bangerter normals. AB - BACKGROUND: We needed to validate and calibrate our portable acuity screening tools so amblyopia could be detected quickly and effectively at school entry. METHODS: Spiral-bound flip cards and download pdf surround HOTV acuity test box with critical lines were combined with a matching card. Amblyopic patients performed critical line, then threshold acuity which was then compared to patched E-ETDRS acuity. 5 normal subjects wore Bangerter foil goggles to simulate blur for comparative validation. RESULTS: The 31 treated amblyopic eyes showed: logMAR HOTV = 0.97(logMAR E-ETDRS)-0.04 r2 = 0.88. All but two (6%) fell less than 2 lines difference. The five showed logMAR HOTV = 1.09 ((logMAR E-ETDRS) + .15 r2 = 0.63. The critical-line, test box was 98% efficient at screening within one line of 20/40. CONCLUSION: These tools reliably detected acuity in treated amblyopic patients and Bangerter blurred normal subjects. These free and affordable tools provide sensitive screening for amblyopia in children from public, private and home schools. Changing "pass" criteria to 4 out of 5 would improve sensitivity with somewhat slower testing for all students. PMID- 29202722 TI - Eradication of P. aeruginosa biofilm in endotracheal tubes based on lock therapy: results from an in vitro study. AB - BACKGROUND: Despite the several strategies available for the management of biofilm-associated ventilator-associated pneumonia, data regarding the efficacy of applying antibiotics to the subglottic space (SS) are scarce. We created an in vitro model to assess the efficacy of antibiotic lock therapy (ALT) applied in the SS for eradication of Pseudomonas aeruginosa biofilm in endotracheal tubes (ETTs). METHODS: We applied 2 h of ALT to a P. aeruginosa biofilm in ETTs using a single dose (SD) and a 5-day therapy model (5D). We used sterile saline lock therapy (SLT) as the positive control. We compared colony count and the percentage of live cells between both models. RESULTS: The median (IQR) cfu counts/ml and percentage of live cells in the SD-ALT and SD-SLT groups were, respectively, 3.12 * 105 (9.7 * 104-0) vs. 8.16 * 107 (7.0 * 107-0) (p = 0.05) and 53.2% (50.9%-57.2%) vs. 91.5% (87.3%-93.9%) (p < 0.001). The median (IQR) cfu counts/ml and percentage of live cells in the 5D-ALT and 5D-SLT groups were, respectively, 0 (0-0) vs. 3.2 * 107 (2.32 * 107-0) (p = 0.03) and 40.6% (36.6% 60.0%) vs. 90.3% (84.8%-93.9%) (p < 0.001). CONCLUSION: We demonstrated a statistically significant decrease in the viability of P. aeruginosa biofilm after application of 5D-ALT in the SS. Future clinical studies to assess ALT in patients under mechanical ventilation are needed. PMID- 29202724 TI - EpCAM expression in squamous cell carcinoma of the uterine cervix detected by monoclonal antibody to the membrane-proximal part of EpCAM. AB - BACKGROUND: Epithelial cell adhesion molecule (EpCAM) is a promising biomarker for squamous cell carcinoma (SCC) of the uterine cervix, because it is over expressed in various cancers of epithelial origin. However, EpCAM expression reported in previous immunohistochemistry (IHC) studies was inconsistent. We hypothesize that the membrane-distal part of EpCAM may be lost during tissue preparation, leaving only the membrane-proximal part of EpCAM available for antibody binding and IHC staining. METHODS: Two new anti-EpCAM MAbs to the membrane-proximal part (WC-2) and the membrane-distal part (WC-1) of EpCAM were generated and characterized. WC-2 was selected for its ability to detect EpCAM in cervical tissues by IHC. One hundred thirty-five archival paraffin-embedded tissues previously diagnosed as cervical SCC (n=44), high-grade (HSIL) (n=43), or low-grade (LSIL) (n=48) squamous intraepithelial lesions were examined. IHC score was collected, recorded, and analyzed for distribution, intensity, and percentage of cancer cells stained for EpCAM. RESULTS: EpCAM expression was consistently detected on cervical tissues by WC-2, but not by WC-1. EpCAM was expressed with high IHC score in the majority of cervical SCC (37/44), but not in normal epithelial area adjacent to SCC. EpCAM was also highly expressed on precancerous lesion of the cervix, particularly in HSIL. More importantly, EpCAM expression could be used to distinguish between HSIL and LSIL, according to staining distribution. HSIL tissues displayed EpCAM expression in two-thirds to full thickness of the epithelium, while in LSIL the staining was limited to the lower one-third of the thickness. The IHC score of EpCAM expression was strongly correlated with cervical cancer and grades of precancerous lesions (r=0.875, p<0.001). CONCLUSION: Only the anti-EpCAM MAb to the membrane-proximal part is able to detect EpCAM on paraffin-embedded cervical cancer tissues. A strong positive correlation between EpCAM expression level and the grades of SILs provides the possibility that EpCAM can be used to predict prognosis and severity in these patients. PMID- 29202723 TI - Changes in urinary risk profile after short-term low sodium and low calcium diet in recurrent Swiss kidney stone formers. AB - BACKGROUND: Kidney stone disease is common in industrialized countries. Recently, it has attracted growing attention, because of its significant association with adverse renal outcomes, including end stage renal disease. Calcium-containing kidney stones are frequent with high recurrence rates. While hypercalciuria is a well-known risk factor, restricted intake of animal protein and sodium, combined with normal dietary calcium, has been shown to be more effective in stone prevention compared with a low-calcium diet. Notably, the average sodium intake in Switzerland is twice as high as the WHO recommendation, while the intake of milk and dairy products is low. METHODS: We retrospectively analyzed Swiss recurrent kidney stone formers (rKSF) to test the impact of a low-sodium in combination with a low-calcium diet on the urinary risk profile. In patients with recurrent calcium oxalate containing stones, we investigated both, the consequence of a low-sodium diet on urinary volume and calcium excretion, and the influence of a low-sodium low-calcium diet on urinary oxalate excretion. RESULTS: Of the 169 patients with CaOx stones, 49 presented with hypercalciuria at baseline. The diet resulted in a highly significant reduction in 24-h urinary sodium and calcium excretion: from 201 +/- 89 at baseline to 128 +/- 88 mmol/d for sodium (p < 0.0001), and from 5.67 +/- 3.01 to 4.06 +/- 2.46 mmol/d (p < 0.0001) for calcium, respectively. Urine volume remained unchanged. Notably, no increase in oxalate excretion occurred on the restricted diet (0.39 +/- 0.26 vs 0.39 +/- 0.19 mmol/d, p = 0.277). Calculated Psf (probability of stone formation) values were only predictive for the risk of calcium phosphate stones. CONCLUSION: A diet low in sodium and calcium in recurrent calcium oxalate stone formers resulted in a significant reduction of urinary calcium excretion, but no change in urine volume. In this population with apparently low intake of dairy products, calcium restriction does not necessarily result in increased urinary oxalate excretion. However, based on previous studies, we recommend a normal dietary calcium intake to avoid a potential increase in urinary oxalate excretion and unfavorable effects on bone metabolism in hypercalciuric KSFs. PMID- 29202725 TI - Complete occlusion of anterior capsulorhexis after uneventful cataract surgery, treated with YAG laser capsulotomy. AB - BACKGROUND: Capsular contraction syndrome (CCS) has been reported as an uncommon complication after an cataract extraction surgery with intact anterior capsulorhexis. This report is written to present a case of complete occlusion of the anterior capsulorhexis opening after an uneventful cataract surgery, which was treated with non-invasive treatment. CASE PRESENTATION: A 69-year-old woman complained of decreased visual acuity in her right eye, which had started 2 months ago. She underwent phacoemulsification with an uneventful anterior capsulorhexis before 3 months. A total occlusion of the anterior capsulorhexis opening with capsular phimosis was identified on slit-lamp biomicroscopy, and a circular anterior capsulotomy using neodymium-doped yttrium aluminum garnet (Nd:YAG) laser was performed immediately. The capsulotomy site remained clear after a couple of years. CONCLUSIONS: It is supposed that proliferation of fibrotic tissue was relatively prominent in this case, rather than the appearance of capsular phimosis. This case can be an uncommon showing a total occlusion of the anterior capsulorhexis opening with prominent fibrotic proliferation pattern after an uneventful cataract surgery. Additionally, the occlusion could be removed with a non-invasive procedure, and was maintained clearly for several years. PMID- 29202726 TI - Large reductions in cesarean delivery rates in China: a qualitative study on delivery decision-making in the era of the two-child policy. AB - BACKGROUND: In 2010, China's cesarean delivery (CD) rates increased to one of the highest in the world, a significant proportion of which were without medical indication. However, recent studies have indicated some declines, coinciding with national and local efforts to promote vaginal birth, as well as the relaxation of the one-child policy. Considering these trends, we aimed to qualitatively explore attitudes towards childbirth and experiences of delivery decision-making among women and physicians. METHODS: Semi-structured interviews were conducted with 45 postpartum women and 7 healthcare providers at one county-level and one provincial-level maternity hospital in Zhejiang Province. We also collected routine data from 2007 to 2016 and observed doctor-patient interactions and hospital facilities as context for the interviews. Interviews were recorded, translated and transcribed into English, and then analyzed using a framework approach. RESULTS: From 2007 to 2016, cesarean delivery rates at the county-level and provincial-level hospital decreased from 46% to 32% and 68% to 44%, respectively. For low-risk women, vaginal birth was the primary choice of delivery method, encouraged by doctors and nurse-midwives. Elective CD was not as widely accepted, in contrast to previous years. Women were aware of and took into consideration the consequences of CD for future pregnancies. Among those who delivered vaginally, women viewed the existing pain relief methods, epidurals and transcutaneous electrical nerve stimulation, with caution or uncertainty. Even when requested, epidurals were only given under certain circumstances. For multiparas with previous CD, repeat CD remains the norm. Both women and professionals were cautious about vaginal birth after cesarean delivery (VBAC) given the associated risks. CONCLUSION: In China, changes in family planning policy and efforts to promote vaginal birth have greatly changed the culture of delivery decision-making, leading to decreased CD rates. This demonstrates the powerful role social factors and public policy can play, and provides a model for other countries with high CD rates. Further research should explore changes in other reproductive decisions during this new multiparous era, particularly across provinces. PMID- 29202727 TI - Atrial fibrillation is not uncommon among patients with ischemic stroke and transient ischemic stroke in China. AB - BACKGROUND: Atrial fibrillation (AF) is reported to be a less frequent cause of ischemic stroke in China than in Europe and North America, but it is not clear whether this is due to underestimation. Our aim was to define the true frequency of AF-associated stroke, to determine the yield of 6-day Holter ECG to detect AF in Chinese stroke patients, and to elucidate predictors of newly detected AF. METHODS: Patients with acute ischemic stroke or transient ischemic attack (TIA) were enrolled in a prospective, multicenter cohort study of 6-day Holter monitoring within 7 days after stroke onset at 20 sites in China between 2013 and 2015. Independent predictors of newly-detected AF were determined by multivariate analysis. RESULTS: Among 1511 patients with ischemic stroke and TIA (mean age 63 years, 33.1% women), 305 (20.2%) had either previously known (196, 13.0%) or AF newly-detected by electrocardiography (53, 3.5%) or by 6-day Holter monitoring (56/1262, 4.4%). A history of heart failure (OR = 4.70, 95%CI, 1.64-13.5), advanced age (OR = 1.06, 95%CI, 1.04-1.09), NIHSS at admission (OR = 1.06, 95%CI, 1.02-1.10), blood high density lipoprotein (HDL) (OR = 1.52, 95%CI, 1.09-2.13), together with blood triglycerides (OR = 0.64, 95%CI, 0.45-0.91) were independently associated with newly-detected AF. CONCLUSIONS: Contrary to previous reports, AF-associated stroke is frequent (20%) in China if systemically sought. Prolonged noninvasive cardiac rhythm monitoring importantly increases AF detection in patients with recent ischemic stroke and TIA in China. Advanced age, history of heart failure, and higher admission NIHSS and higher level of HDL were independent indicators of newly-detected AF. TRIAL REGISTRATION: NCT02156765 (June 5, 2014). PMID- 29202728 TI - Non-tunneled versus tunneled dialysis catheters for acute kidney injury requiring renal replacement therapy: a prospective cohort study. AB - BACKGROUND: Acute kidney injury requiring renal replacement therapy (AKI-RRT) is associated with high morbidity, mortality and resource utilization. The type of vascular access placed for AKI-RRT is an important decision, for which there is a lack of evidence-based guidelines. METHODS: We conducted a prospective cohort study over a 16-month period with 154 patients initiated on AKI-RRT via either a non-tunneled dialysis catheter (NTDC) or a tunneled dialysis catheter (TDC) at an academic hospital. We compared differences in renal replacement delivery and mechanical and infectious outcomes between NTDCs and TDCs. RESULTS: Patients who received TDCs had significantly better RRT delivery, both with continuous venovenous hemofiltration (CVVH) and intermittent hemodialysis (IHD), compared to patients who received NTDCs; these findings were confirmed after multivariable adjustment for AKI-specific disease severity score, history of chronic kidney disease, renal consult team, and AKI cause. In CVVH and IHD, the median venous and arterial blood flow pressures were significantly higher with TDCs compared to NTDCs (p < 0.001). Additionally for CVVH, the median number of interruptions per catheter was higher with NTDCs compared to TDCs (Rate Ratio (RR) 2.7; p < 0.001), and for IHD, a higher median blood flow was seen with TDCs (p < 0.001). There were a significantly higher number of mechanical complications with NTDCs (RR 13.6 p = 0.001). No significant difference was observed between TDCs and NTDCs for positive blood cultures per catheter. CONCLUSIONS: Compared to NTDCs, TDCs for patients with AKI-RRT had improved RRT delivery and fewer mechanical complications. Initial TDC placement for AKI-RRT should be considered when not clinically contraindicated given the potential for improved RRT delivery and outcomes. PMID- 29202729 TI - Changes in prevalence and perinatal outcomes of congenital hydrocephalus among Chinese newborns: a retrospective analysis based on the hospital-based birth defects surveillance system. AB - BACKGROUND: Little is known about the epidemiology of congenital hydrocephalus (CH) in China. This study aimed to depict recent changes in CH prevalence and perinatal outcomes of the affected newborns. METHODS: Data were obtained from the Chinese Birth Defects Monitoring Network (CBDMN), which collects demographic information on all newborns above 28 weeks of gestation, and clinical information on neonates with congenital anomalies. CH cases delivered during 2005-2012 were analyzed. Poisson regression was used to calculate prevalence ratios (PR) and 95% confidence intervals, and linear chi-square test was used to examine time trend of CH prevalence. RESULTS: Five thousand two hundred forty-five isolated and 1245 associated CH cases were identified among 10,574,061 newborns, yielding the prevalence of 4.96, 1.18 and 6.14 per 10,000 births for the isolated, associated and overall hydrocephalus, respectively. The annual prevalence of CH presented a decreasing trend (from 7.52 to 5.98 per 10,000 births, P < 0.001). Higher prevalence was found in both younger (<20 years, PR: 1.81, 95% CI: 1.56-2.10) and older (>=35 years, PR: 1.48, 95% CI: 1.36-1.61) maternal-age groups in comparison with the maternal-age group of 20 to 24 years. Higher prevalence was also found in infants born to mothers resided in rural areas, male infants, and multiple births. Of non-aborted infants with congenital hydrocephalus, 38.11% were born with low birth weight, 37.53% were preterm birth, and 20.69% died within 7 days after birth. CONCLUSIONS: Our findings present a relatively high prevalence and poor perinatal outcomes of CH in China, which can serve as a baseline for future study. PMID- 29202730 TI - Selection bias in clinical stroke trials depending on ability to consent. AB - BACKGROUND: Clinical trials are the hallmark of evidence-based medicine, but recruitment is often challenging, especially in stroke trials investigating patients not being able to give informed consent. In some nations, ethics committees will not approve of inclusion in a clinical study via consent of a legal representative. The ethical dilemma of including or excluding those patients has not been properly addressed, as there is little data on the effect of stroke characteristics on the ability to give informed consent. METHODS: To examine differences between patients able and unable to consent at inclusion to an acute stroke trial, we conducted a post-hoc analysis of monitoring records from a multicentric interventional trial. These records listed patients who gave informed consent by themselves and those who needed a legal representative to do so. This exemplary STRAWINSKI trial aimed at improving stroke outcome by biomarker-guided antibiotic treatment of stroke associated pneumonia and included patients within 40 h after stroke onset, suffering from MCA infarctions with an NIHSS score > 9 at admission. Standard descriptive and associative statistics were calculated to compare baseline characteristics and outcome measures between patients who were able to consent and those who were not. RESULTS: We identified the person giving consent in 228 out of 229 subjects. Patients with inability to consent were older (p < 0.01), suffered from more left-hemispheric (p < 0.01) and more severe strokes (NIHSS, p < 0.01), were more likely to die during hospitalisation (p < 0.01) or have unfavourable outcome at discharge (mRS, p < 0.01), to develop fever (p < 0.01) and tended to be more susceptible to infections (p = 0.06) during the acute course of the disorder. CONCLUSIONS: Demographics, stroke characteristics and outcomes significantly affect stroke patients in their ability to consent. Where selection criteria and primary outcome measures of a trial are significantly affected by ability to consent, excluding patients unable to consent might be unethical. TRIAL REGISTRATION: URL http://www.clinicaltrials.gov . Unique identifier: NCT01264549 . PMID- 29202731 TI - Economic evaluation of emergency obstetric care training: a systematic review. AB - BACKGROUND: Training healthcare providers in Emergency Obstetric Care (EmOC) has been shown to be effective in improving their capacity to provide this critical care package for mothers and babies. However, little is known about the costs and cost-effectiveness of such training. Understanding costs and cost-effectiveness is essential in guaranteeing value-for-money in healthcare spending. This study systematically reviewed the available literature on cost and cost-effectiveness of EmOC trainings. METHODS: Peer-reviewed and grey literature was searched for relevant papers published after 1990. Studies were included if they described an economic evaluation of EmOC training and the training cost data were available. Two reviewers independently searched, screened, and selected studies that met the inclusion criteria, with disagreements resolved by a third reviewer. Quality of studies was assessed using the Consolidated Health Economic Evaluation Reporting Standards statement. For comparability, all costs in local currency were converted to International dollar (I$) equivalents using purchasing power parity conversion factors. The cost per training per participant was calculated. Narrative synthesis was used to summarise the available evidence on cost effectiveness. RESULTS: Fourteen studies (five full and nine partial economic evaluations) met the inclusion criteria. All five and two of the nine partial economic evaluations were of high quality. The majority of studies (13/14) were from low- and middle-income countries. Training equipment, per diems and resource person allowance were the most expensive components. Cost of training per person per day ranged from I$33 to I$90 when accommodation was required and from I$5 to I$21 when training was facility-based. Cost-effectiveness of training was assessed in 5 studies with differing measures of effectiveness (knowledge, skills, procedure cost and lives saved) making comparison difficult. CONCLUSIONS: Economic evaluations of EmOC training are limited. There is a need to scale-up and standardise processes that capture both cost and effectiveness of training and to agree on suitable economic evaluation models that allow for comparability across settings. TRIAL REGISTRATION: PROSPERO_CRD42016041911 . PMID- 29202732 TI - Sex differences in response to targeted kyphosis specific exercise and posture training in community-dwelling older adults: a randomized controlled trial. AB - BACKGROUND: Hyperkyphosis, an excessive anterior curvature in the thoracic spine, is associated with reduced health status in older adults. Hyperkyphosis is highly prevalent, more common in older women than men. There is no standard intervention to reduce age-related hyperkyphosis. Sex differences in response to a kyphosis specific exercise intervention are not known. METHODS: We conducted a randomized controlled trial of a targeted kyphosis-specific exercise and postural training program on the primary outcome Cobb angle of kyphosis, and investigated whether the magnitude of change differed between men and women. One hundred twelve participants aged >=60 years with kyphosis >=40 degrees were enrolled and randomized to exercise or waitlist control, and 101 participants had analyzable baseline and follow-up radiographs for Cobb angle measurements. A group intervention including 10 participants per group was delivered by a physical therapist, 1-h, twice a week for 3-months. Controls were placed on a waitlist for 3 months before receiving a delayed intervention. Primary outcome was change from baseline to 3-months in Cobb angle measured from standing lateral spine radiographs. Secondary outcomes included change over 3-months in kyphometer measured kyphosis, physical function and quality of life. Groups were combined for analysis after both received the intervention, and sex differences in response to the intervention were tested with ANOVA. RESULTS: Participants (60 women, 41 men) were 70.0 (SD = 5.7) years old with mean Cobb angle 55.9 (SD = 12.2) degrees at baseline. The active group had higher baseline modified Physical Performance Test scores than control, p = 0.03. Men had greater baseline kyphometer-measured kyphosis, p = 0.09, and higher bone mineral density (BMD), spine strength, more vertebral fractures and diffuse idiopathic skeletal hyperostosis (DISH) than women, p <= 0.01. There was no statistically significant difference between groups in change in Cobb at 3-months, p = 0.09, however change in kyphometer-measured kyphosis differed by 4.8 (95% CI:-6.8,-2.7) degrees, p < 0.001, favoring the active group. There were no differences between men and women in change in either kyphosis measurement after intervention, p > 0.1. CONCLUSIONS: A 3-month targeted spine strengthening exercise and posture training program reduced kyphometer-measured, but not radiographic-measured kyphosis. Despite sex differences in baseline kyphosis, BMD, spine strength, fractures and DISH, sex did not affect treatment response. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT01766674. PMID- 29202734 TI - A tandem CBM25 domain of alpha-amylase from Microbacterium aurum as potential tool for targeting proteins to starch granules during starch biosynthesis. AB - BACKGROUND: Starch-binding domains from carbohydrate binding module family 20 have been used as a tool for starch engineering. Previous studies showed that expression of starch binding domain fusion proteins in planta resulted in modified starch granule structures and physicochemical properties. However, although 13 carbohydrate binding module families have been reported to contain starch-binding domains, only starch-binding domains from carbohydrate binding module family 20 have been well studied and introduced into plants successfully. In this study, two fragments, the tandem CBM25 domain and the tandem CBM25 with multiple fibronectin type III (FN3) domains of the alpha-amylase enzyme from Microbacterium aurum, were expressed in the tubers of a wild type potato cultivar (cv. Kardal) and an amylose-free (amf) potato mutant. RESULTS: The (CBM25)2 and FN3 protein were successfully accumulated in the starch granules of both Kardal and amf transformants. The accumulation of (CBM25)2 protein did not result in starch morphological alterations in Kardal but gave rise to rough starch granules in amf, while the FN3 resulted in morphological changes of starch granules (helical starch granules in Kardal and rough surface granules in amf) but only at a very low frequency. The starches of the different transformants did not show significant differences in starch size distribution, apparent amylose content, and physico-chemical properties in comparison to that of untransformed controls. CONCLUSION: These results suggest that the starch-binding domains from carbohydrate binding module family 25 can be used as a novel tool for targeting proteins to starch granules during starch biosynthesis without side-effects on starch morphology, composition and properties. PMID- 29202733 TI - Expression of micro-RNAs and genes related to angiogenesis in ccRCC and associations with tumor characteristics. AB - BACKGROUND: Clear cell renal cell carcinoma (ccRCC) is the third most common urological cancer in adults. Our aim is to evaluate genes and miRNAs expression profiles involved with angiogenesis and tumor characteristics in ccRCC. METHODS: The expression levels of miRNAs miR-99a, 99b, 100; 199a; 106a; 106b; 29a; 29b; 29c; 126; 200a, 200b and their respective target genes: mTOR, HIF1-alpha, VHL, PDGF, VEGF, VEGFR1 and VEGFR2 were analyzed using qRT-PCR in tumor tissue samples from 56 patients with ccRCC. Five samples of benign renal tissue were utilized as control. The expression levels of miRNAs and genes were related to tumor size, Fuhrman nuclear grade and microvascular invasion. RESULTS: miR99a was overexpressed in most samples and its target gene mTOR was underexpressed, this also occurs for miRNAs 106a, 106b, and their target gene VHL. An increase in miR 200b was correlated with high-risk tumors (p = 0.01) while miR-126 overexpression was associated with Fuhrman's low grade (p = 0.03). CONCLUSIONS: Our results show that in ccRCC there are changes in miRNAs expression affecting gene expression that could be important in determining the aggressiveness of this lethal neoplasia. PMID- 29202735 TI - Use of medical administrative data for the surveillance of psychotic disorders in France. AB - BACKGROUND: Psychotic disorders are among the most severe psychiatric disorders that have great effects on the individuals and the society. For surveillance of chronic low prevalence conditions such as psychotic disorders, medical administrative databases can be useful due to their large coverage of the population, their continuous availability and low costs with possibility of linkage between different databases. The aims of this study are to identify the population with psychotic disorders by different algorithms based on the French medical administrative data and examine the prevalence and characteristics of this population in 2014. METHODS: The health insurance system covers the entire population living in France and all reimbursements of ambulatory care in private practice are included in a national health insurance claim database, which can be linked with the national hospital discharge databases. Three algorithms were used to select most appropriately persons with psychotic disorders through data from hospital discharge databases, reimbursements for psychotropic medication and full insurance coverage for chronic and costly conditions. RESULTS: In France in 2014, estimates of the number of individuals with psychotic disorders were 469,587 (54.6% males) including 237,808 with schizophrenia (63.6% males). Of those, 77.0% with psychotic disorders and 70.8% with schizophrenia received exclusively ambulatory care. Prevalence rates of psychotic disorders were 7.4 per 1000 inhabitants (8.3 in males and 6.4 in females) and 3.8 per 1000 inhabitants (4.9 in males and 2.6 in females) for schizophrenia. Prevalence of psychotic disorders reached a maximum of 14 per 1000 in males between 35 and 49 years old then decreased with age while in females, the highest rate of 10 per 1000 was reached at age 50 without decrease with advancing age. No such plateau was observed in schizophrenia. DISCUSSION: This study is the first in France using an exhaustive sample of medical administrative data to derive prevalence rates for psychotic disorders. Although only individuals in contact with healthcare services were included, the rates were congruent with reported estimates from systematic reviews. The feasibility of this study will allow the implementation of a national surveillance of psychotic disorders essential for healthcare management and policy planning. PMID- 29202736 TI - Peer teacher training (PTT) program for health professional students: interprofessional and flipped learning. AB - BACKGROUND: The need for developing healthcare professional students' peer teaching skills is widely acknowledged, and a number of discipline-based peer teacher training programs have been previously reported. However, a consensus on what a student peer teaching skills program across the health professions should entail, and the associated benefits and challenges, has not been previously described. The purpose of this study was to demonstrate the design and implementation of an interprofessional Peer Teacher Training (PTT) program, and explore outcomes and participant perceptions, using Experience-Based Learning (ExBL) theory. METHODS: In 2016, an interprofessional team of academics from across three healthcare faculties: Medicine, Pharmacy and Health Sciences, developed and implemented a six module, flipped learning, interprofessional PTT program. Pre- and post questionnaires, using a Likert scale of 1-5, as well as open ended questions, were distributed to students. Descriptive statistics were used to analyse quantitative data, and thematic analysis was used to analyse qualitative data. RESULTS: Ninety senior students from across the three faculties participated. Eighty nine percent of participants completed a pre- and post course questionnaire. Students felt the required pre-class preparation, including online pre-reading, discussion board, videos, and teaching activities enhanced their face-to-face learning experience. In class, students valued the small-group activities, and the opportunities to practice their teaching skills with provision of feedback. Students reported increased confidence to plan and deliver peer teaching activities, and an increased awareness of the roles and responsibilities of health professionals outside of their own discipline, and use of different terminology and communication methods. Students' suggestions for improving the PTT, included; less large group teaching; more online delivery of theory; and inclusion of a wider range of health professional disciplines. CONCLUSION: The PTT program provided a theoretically informed framework where students could develop and practice their teaching skills, helping to shape students' professional values as they assume peer teaching responsibilities and move towards healthcare practice. The flipped learning, interprofessional format was successful in developing students' skills, competence and confidence in teaching, assessment, communication and feedback. Importantly, participation increased students' awareness and understanding of the various roles of health professionals. PMID- 29202737 TI - German Beck Scale for Suicide Ideation (BSS): psychometric properties from a representative population survey. AB - BACKGROUND: Suicidal ideation has been identified as one of the major predictors of attempted or actual suicide. Routinely screening individuals for endorsing suicidal thoughts could save lives and protect many from severe psychological consequences following the suicide of loved ones. The aim of this study was to validate the German version of the Beck Scale for Suicide Ideation (BSS) in a sample representative for the Federal Republic of Germany. METHODS: All 2450 participants completed the first part of the Scale, the BSS-Screen. A risk group of n = 112 individuals (4.6%) with active or passive suicidal ideation was identified and subsequently completed the entire BSS. RESULTS: Satisfactory internal reliability (alpha = .97 for the BSS-Screen; alpha = .94 for the entire BSS) and excellent model fit indices for the one-dimensional factorial structure of the BSS-Screen (CFI = .998; TLI = .995; RMSEA = .045 [95%-CI: .030-.061]) were confirmed. Measurement invariance analyses supported strict invariance across gender, age, and depression status. We found correlations with related self report measures in expected directions comparable to previous studies, indicating satisfactory construct validity. LIMITATIONS: Our study involved cross sectional data, hence neither predictive validity nor retest-reliability were examined. As only the risk group of n = 112 individuals completed the entire measure, confirmatory factor analyses could not be conducted for the full BSS. CONCLUSION: The German translation of the BSS is a reliable and valid instrument for assessing suicidal ideation in the general population. Using it as a screening device in general and specialized medical care could substantially advance suicide prevention. PMID- 29202738 TI - Effects of mistletoe products on pharmacokinetic drug turnover by inhibition and induction of cytochrome P450 activities. AB - BACKGROUND: European mistletoe (Viscum album) products used in cancer therapy are frequently combined with other anti-cancer-drugs. Hence, potential herb-drug interactions have become a major safety concern in mistletoe therapy. METHODS: Three European mistletoe products (Helixor(r) A, Helixor(r) M and Helixor(r) P from mistletoe grown on firs, apple trees and pines, respectively) were tested for inhibition of nine major cytochrome P450 (CYP) isoenzymes in a test system using pooled human liver microsomes and for induction of five CYP isoforms in human hepatocytes cultivated in vitro according to the relevant guideline. RESULTS: Major inhibition did not occur in any of the CYP marker reactions. For some CYP isoenzymes, a minor or intermediate inhibition could be observed, but without dose effect relationship. Induction activity (>= 1.5-fold increase) was not found with any of the three mistletoe products. CONCLUSION: Since no induction capacity was found and major inhibition above 50% did not occur even with the highest concentration used, which is approximately 100,000-fold higher than the clinically relevant dose in plasma, a clinically relevant herb-drug interaction is not expected for Helixor(r) A, M, and P. PMID- 29202739 TI - The lung microbiome in patients with pneumocystosis. AB - BACKROUND: Pneumocystis jirovecii pneumonia (PCP) is an opportunistic fungal infection that is associated with a high morbidity and mortality in immunocompromised individuals. In this study, we analysed the microbiome of the lower respiratory tract from critically ill intensive care unit patients with and without pneumocystosis. METHODS: Broncho-alveolar fluids from 65 intubated and mechanically ventilated intensive care unit patients (34 PCP+ and 31 PCP- patients) were collected. Sequence analysis of bacterial 16S rRNA gene V3/V4 regions was performed to study the composition of the respiratory microbiome using the Illumina MiSeq platform. RESULTS: Differences in the microbial composition detected between PCP+ and PCP- patients were not statistically significant on class, order, family and genus level. In addition, alpha and beta diversity metrics did not reveal significant differences between PCP+ and PCP- patients. The composition of the lung microbiota was highly variable between PCP+ patients and comparable in its variety with the microbiota composition of the heterogeneous collective of PCP- patients. CONCLUSIONS: The lower respiratory tract microbiome in patients with pneumocystosis does not appear to be determined by a specific microbial composition or to be dominated by a single bacterial species. PMID- 29202740 TI - The pleural fluid lactate dehydrogenase/adenosine deaminase ratio differentiates between tuberculous and parapneumonic pleural effusions. AB - BACKGROUND: Although pleural fluid lactate dehydrogenase (LDH) and adenosine deaminase (ADA) levels are often used to distinguish between tuberculous pleural effusion (TPE) and parapneumonic pleural effusion (PPE), this can be challenging as the LDH level may vary from normal to severely increased in PPE and a significantly elevated ADA is frequently measured in both conditions. In this study, we evaluated use of the pleural fluid LDH/ADA ratio as a new parameter to discriminate TPE from PPE. METHODS: A retrospective study was conducted in patients with pathologically-confirmed TPE (n = 72) and PPE (n = 47) to compare pleural fluid LDH and ADA levels and LDH/ADA ratios between the 2 groups. A receiver operating characteristic (ROC) curve was constructed for identifying TPE. RESULTS: The median pleural fluid LDH and ADA levels and LDH/ADA ratios in the TPE and PPE groups were: 364.5 U/L vs 4037 U/L (P < .001), 33.5 U/L vs 43.3 U/L (P = .249), and 10.88 vs 66.91 (P < .0001), respectively. An area under the ROC curve of 0.9663 was obtained using the LDH/ADA ratio as the indicator for TPE identification, and the sensitivity, specificity, positive likelihood ratio (PLR), and negative likelihood ratio (NLR) were, respectively, 93.62%, 93.06%, 13.48, and 0.068 at a cut-off level of 16.20. CONCLUSIONS: The pleural fluid LDH/ADA ratio, which can be determined from routine biochemical analysis, is highly predictive of TPE at a cut-off level of 16.20. Measurement of this parameter may be helpful for clinicians in distinguishing between TPE and PPE. PMID- 29202741 TI - The influence of Osmunda regalis root extract on head and neck cancer cell proliferation, invasion and gene expression. AB - BACKGROUND: According to only a handful of historical sources, Osmunda regalis, the royal fern, has been used already in the middle age as an anti-cancer remedy. To examine this ancient cancer cure, an ethanolic extract of the roots was prepared and analysed in vitro on its effectiveness against head and neck cancer cell lines. METHODS: Proliferation inhibition was measured with the MTT assay. Invasion inhibition was tested in a spheroid-based 3-D migration assay on different extracellular matrix surfaces. Corresponding changes in gene expression were analysed by qRT-PCR array. Induction of apoptosis was measured by fluorescence activated cell sorting (FACS) with the Annexin V binding method. The plant extract was analysed by preliminary phytochemical tests, liquid chromatography/mass spectroscopy (LC-MS) and thin layer chromatography (TLC). Anti-angiogenetic activity was determined by the tube formation assay. RESULTS: O. regalis extract revealed a growth inhibiting effect on the head and neck carcinoma cell lines HLaC78 and FaDu. The toxic effect seems to be partially modulated by p-glycoprotein, as the MDR-1 expressing HLaC79-Tax cells were less sensitive. O. regalis extract inhibited the invasion of cell lines on diverse extracellular matrix substrates significantly. Especially the dispersion of the highly motile cell line HlaC78 on laminin was almost completely abrogated. Motility inhibition on laminin was accompanied by differential gene regulation of a variety of genes involved in cell adhesion and metastasis. Furthermore, O. regalis extract triggered apoptosis in HNSCC cell lines and inhibited tube formation of endothelial cells. Preliminary phytochemical analysis proved the presence of tannins, glycosides, steroids and saponins. Liquid chromatography/mass spectroscopy (LC-MS) revealed a major peak of an unknown substance with a molecular mass of 864.15 Da, comprising about 50% of the total extract. Thin layer chromatography identified ferulic acid to be present in the extract. CONCLUSION: The presented results justify the use of royal fern extracts as an anti-cancer remedy in history and imply a further analysis of ingredients. PMID- 29202742 TI - Milestones-based direct observation tools in internal medicine resident continuity clinic. AB - BACKGROUND: With milestones-based assessment, there is an increased need for tools to facilitate direct observation of clinical trainees. This study was designed to compare a Mini-CEX tool to new direct observation tools (DOTs) linked to internal medicine milestones. METHODS: A web based survey was used to examine satisfaction and usefulness of DOTs compared to the Mini-CEX. Residents and preceptors were surveyed three times over 6 months with half serving as control (using mini-CEX) compared to those using the DOTs. Likert scale quantitative answers and qualitative comments were analyzed using generalized estimating equations. RESULTS: Out of 94 residents and 32 faculty 81 and 90% completed the survey for at least one time point. In adjusted models, there was no significant change in resident evaluation comparing the tools on a number of questions including overall satisfaction and resident perception of receiving high quality feedback. By contrast, faculty preceptors reported increased ratings on many of the questions evaluating their use of the new tools including ability to provide higher quality feedback and overall satisfaction. A number of challenges and benefits of the new tools were identified in qualitative feedback by both residents and preceptors. CONCLUSIONS: All parties recognized the value and limitations of direct observation. Overall these new office based DOTs were perceived similarly to the mini-CEX by residents while faculty reported higher satisfaction. The DOTs are a useful addition to the tool box available for the assessment of clinical skills of medical trainees, especially from the viewpoint of faculty preceptors. PMID- 29202743 TI - Posterior intervertebral space debridement, annular bone grafting and instrumentation for treatment of lumbosacral tuberculosis. AB - BACKGROUND: The choice of surgical methods for lumbosacral tuberculosis is controversial due to the complex anterior anatomy and peculiar biomechanics of the lumbosacral junction. The objective of this study was to explore the clinical effect of posterior intervertebral space debridement with annular bone graft fusion and fixation for the treatment of lumbosacral tuberculosis. METHODS: We retrospectively analysed data from 23 patients with lumbosacral tuberculosis who had undergone posterior intervertebral space debridement with annular bone fusion and fixation between January 2008 and September 2014. The mean age of the patients was 49.0 years (range, 27-71), and the mean duration of disease until treatment was 10.2 months (range, 6-20). The lumbosacral angle, visual analogue scale (VAS) score, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) level, American Spinal Injury Association (ASIA) grade and Social Functioning-36 (SF-36) score were determined to ascertain the clinical effects of the treatment. RESULTS: All patients underwent follow-up observation. The mean follow-up time was 34.2 months (range, 18-45), the mean operation time was 167.0 min (range, 130 210) and the mean blood loss was 767.4 ml (range, 500-1150). The lumbosacral angle was 21.0 degrees +/- 2.1 degrees before operation, rising to 28.8 degrees +/- 1.7 degrees after operation (p < 0.05) and being maintained thereafter. The mean VAS score before operation was 8.1 +/- 0.6, decreasing to 1.2 +/- 0.5 (p < 0.05) at the final follow-up. The mean ESR and CRP values were 49.1 +/- 5.6 mm and 64.9 +/- 11.9 mg/L, respectively, before operation, decreasing to normal at the final follow-up. The preoperative ASIA grade was C in 6 patients, D in 12 and E in 5. At the final follow-up, all patients had an ASIA grade of E except for one patient with a grade of D. For all patients, the SF-36 score at the final follow-up was higher than the preoperative and postoperative scores. CONCLUSIONS: Posterior intervertebral space debridement with annular bone graft fusion and fixation is an effective treatment for lumbosacral spine tuberculosis. PMID- 29202745 TI - The association of N-terminal pro-brain-type natriuretic peptide with hemodynamics and functional capacity in therapy-naive precapillary pulmonary hypertension: results from a cohort study. AB - BACKGROUND: N-terminal pro-brain-type natriuretic peptide (NT-proBNP) is currently used as a surrogate marker for disease severity in pulmonary hypertension (PH). However, NT-proBNP tends to have a high variability and may insufficiently correlate with hemodynamics and exercise capacity. METHODS: To investigate the association of NT-proBNP with hemodynamics and cardio-pulmonary exercise testing (CPET) in 84 therapy-naive patients with precapillary PH. RESULTS: NT-proBNP levels were significantly correlated with hemodynamics and CPET parameters except for cardiac index, diffusion capacity, PaO2 at peak exercise, and peak minute ventilation. NT-proBNP correlated best with hemodynamics and CPET in women and patients >65 years. NT-proBNP correlated better with CPET in pulmonary arterial hypertension compared to chronic thromboembolic PH (CTEPH). CONCLUSION: NT-proBNP is associated with disease severity in precapillary PH. The association might be age- and gender-dependent. NT-proBNP may insufficiently correlate with disease severity in CTEPH, possibly due to comorbidity. PMID- 29202744 TI - Biomarkers of collagen turnover are related to annual change in FEV1 in patients with chronic obstructive pulmonary disease within the ECLIPSE study. AB - BACKGROUND: Change in forced expiratory volume in one second (FEV1) is important for defining severity of chronic obstructive pulmonary disease (COPD). Serological neoepitope markers of collagen turnover may predict rate of change in FEV1. METHODS: One thousand COPD subjects from the observational, multicentre, three-year ECLIPSE (Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints) study (NCT00292552, trial registration in February 2006) were included. Matrix metalloproteinase (MMP)-generated fragments of collagen type I, and type VI (C1M and C6M) were assessed in month six serum samples. A random-coefficient model with both a random intercept and a random slope was used to test the ability of the markers to predict post-dose bronchodilator FEV1 (PD FEV1) change over two years adjusting for sex, age, BMI, smoking, bronchodilator reversibility, prior exacerbations, emphysema and chronic bronchitis status at baseline. RESULTS: Annual change of PD-FEV1 was estimated from a linear model for the two-year study period. Serum C1M and C6M were independent predictors of lung function change (p = 0.007/0.005). Smoking, bronchodilator reversibility, plasma hsCRP and emphysema were also significant predictors. The effect estimate between annual change in PD-FEV1 per one standard deviation (1SD) increase of C1M and C6M was +10.4 mL/yr. and +8.6 mL/yr. C1M, and C6M, had a significant association with baseline FEV1. CONCLUSION: We demonstrated that markers of tissue turnover were significantly associated with lung function change. These markers may function as prognostic biomarkers and possibly as efficacy biomarkers in clinical trials focusing on lung function change in COPD. TRIAL REGISTRATION: NCT00292552 , Retrospectively registered, trial registration in February 2006. PMID- 29202747 TI - Seroprevalence of toxoplasmosis and risk factors of Toxoplasma gondii infection among pregnant women in Sri Lanka: a cross sectional study. AB - BACKGROUND: Toxoplasma gondii is an intracellular protozoan infecting humans and animals. Infection in adults usually causes mild disease but greater importance lies in preventing transplacental transmission which can cause major foetal anomalies and is vital to identify infection in pregnancy. Research on this regard in Sri Lanka is scarce and would be beneficial in developing antenatal care strategies for improved foetal outcome. METHODS: A random sample of 536 pregnant women attending antenatal care in Teaching Hospital Peradeniya from 2010 to 2013 was recruited for this study. Blood samples were tested for Toxoplasma gondii IgG and IgM antibodies from the participants by using a commercial ELISA kit with a cut-off OD value of >1 and a structured questionnaire was used to identify the exposure to risk. Bivariate analysis using the Chi Square test was used to calculate associations between documented risk factors and seropositivity and a p value of <0.05 was taken as significant. RESULTS: Among the participants 160 (29.9%) were positive for T. gondii IgG antibodies and 2 (0.37%) were IgM positive. The seroprevalence in the first, second and third trimesters were 30.4%, 30.6% and 26.1% respectively. Of the risk factors studied, preparation and selling raw meat (p = 0.05) and household gardening (p = 0.01) were significant whereas the presence of domesticated cats and dogs, eating locally produced meat or dairy products did not show significant associations. CONCLUSIONS: Seroprevalence of T. gondii present among pregnant women attending antenatal care in Peradeniya was 29.9% indicating high level of transmission among the study population. However 70.1% of the study population were seronegative and were susceptible to primary acute infection during pregnancy and possible foetal anomalies. Therefore implementing health education especially on the aforementioned risk factors is recommended. PMID- 29202746 TI - Translation of the humeral head scale is associated with success of rotator cuff repair for large-massive tears. AB - BACKGROUND: Although a loss of rotator cuff integrity leads to the superior migration of the humeral head, the parameters that characterize the anterolateral migration of the humeral head have not been established. The purpose of this study was to investigate the correlation between the translation of the humeral head scale (T-scale) and clinical outcomes of rotator cuff repair, as well as the correlation between the T-scale and radiologic parameters. METHODS: One hundred thirty-five consecutive patients with full-thickness rotator cuff tears underwent primary rotator cuff repair. The T-scale, which indicates the distance from the center of the humeral head to the lateral coracoacromial arch, was measured on axial computed tomography scans, and the acromiohumeral interval (AHI) was measured radiographically. The correlation of the two parameters with the clinical scores of the Japanese Orthopaedic Association and University of California-Los Angeles scores and active forward elevation (FE) were evaluated at the preoperative and postoperative stages, respectively. RESULTS: The postoperative T-scale and AHI correlated well with the postoperative FE and clinical scores in the patients with large-massive tears but not in those patients with small-medium tears and preoperative large-massive tears. A significant correlation was observed between the postoperative T-scale and AHI. The T-scale was subject to cuff repair integrity. CONCLUSIONS: We demonstrated that the postoperative T-scale was well correlated with the clinical results and postoperative AHI after rotator cuff repair for large-massive tears, indicating that poor outcomes are associated with combined superior and anterolateral migration of the humeral head following retears. PMID- 29202748 TI - Two occurrences of delayed epidural hematoma in different areas following decompressive craniectomy for acute subdural hematoma in a single patient: a case report. AB - BACKGROUND: Delayed epidural hematoma (DEH) following evacuation of traumatic acute subdural hematoma (ASDH) or acute epidural hematoma (EDH) is a rare but devastating complication, especially when it occurs sequentially in a single patient. CASE PRESENTATION: A 19-year-old man who developed contralateral DEH following craniotomy for evacuation of a traumatic right-side ASDH and then developed a left-side DEH of the posterior cranial fossa after craniotomy for evacuation of the contralateral DEH. He was immediately returned to the operating room for additional surgeries and his neurological outcome was satisfactory. CONCLUSIONS: Although DEH occurring after evacuation of ASDH or acute EDH is a rare event, timely recognition is critical to prognosis. PMID- 29202749 TI - Inhibitory or excitatory? Optogenetic interrogation of the functional roles of GABAergic interneurons in epileptogenesis. AB - Alteration in the excitatory/inhibitory neuronal balance is believed to be the underlying mechanism of epileptogenesis. Based on this theory, GABAergic interneurons are regarded as the primary inhibitory neurons, whose failure of action permits hyperactivity in the epileptic circuitry. As a consequence, optogenetic excitation of GABAergic interneurons is widely used for seizure suppression. However, recent evidence argues for the context-dependent, possibly "excitatory" roles that GABAergic cells play in epileptic circuitry. We reviewed current optogenetic approaches that target the "inhibitory" roles of GABAergic interneurons for seizure control. We also reviewed interesting evidence that supports the "excitatory" roles of GABAergic interneurons in epileptogenesis. GABAergic interneurons can provide excitatory effects to the epileptic circuits via several distinct neurological mechanisms. (1) GABAergic interneurons can excite postsynaptic neurons, due to the raised reversal potential of GABA receptors in the postsynaptic cells. (2) Continuous activity in GABAergic interneurons could lead to transient GABA depletion, which prevents their inhibitory effect on pyramidal cells. (3) GABAergic interneurons can synchronize network activity during seizure. (4) Some GABAergic interneurons inhibit other interneurons, causing disinhibition of pyramidal neurons and network hyperexcitability. The dynamic, context-dependent role that GABAergic interneurons play in seizure requires further investigation of their functions at single cell and circuitry level. New optogenetic protocols that target GABAergic inhibition should be explored for seizure suppression. PMID- 29202750 TI - Assessment of tetralogy of Fallot-associated congenital extracardiac vascular anomalies in pediatric patients using low-dose dual-source computed tomography. AB - BACKGROUND: To investigate the diagnostic value of dual-source computed tomography (DSCT) in the evaluation of tetralogy of Fallot (TOF)-associated extracardiac vascular abnormalities in pediatric patients compared with transthoracic echocardiography (TTE). METHODS: One hundred and twenty-three pediatric patients diagnosed with TOF were included in this retrospective study. All patients underwent DSCT and TTE preoperatively. All associated extracardiac vascular abnormalities and their percentages were recorded. The diagnostic performances of DSCT and TTE were compared based on the surgical results. The image quality of DSCT was rated, and the effective radiation dose (ED) was calculated. RESULTS: A total of 159 associated extracardiac vascular deformities were confirmed by surgery. Patent ductus arteriosus (36, 22.64%), right-sided aortic arch (29, 18.24%), and pulmonary valve stenosis (23, 14.47%) were the most common associated extracardiac vascular abnormalities. DSCT was superior to TTE in demonstrating associated extracardiac anomalies (diagnostic accuracy: 99.13% vs. 97.39%; sensitivity: 92.45% vs. 77.07%; specificity: 99.81% vs. 99.42%). The agreement on grading the image quality of DSCT was excellent (kappa = 0.80), and the mean score of the image quality was 3.39 +/- 0.50. The mean ED of DSCT was 0.86 +/- 0.47 mSv. CONCLUSIONS: Compared to TTE, low-dose DSCT has high diagnostic accuracy in the depiction of associated extracardiac vascular anomalies in pediatric patients with TOF, and could provide more morphological details for surgeons. PMID- 29202751 TI - Walnut consumption in a weight reduction intervention: effects on body weight, biological measures, blood pressure and satiety. AB - BACKGROUND: Dietary strategies that help patients adhere to a weight reduction diet may increase the likelihood of weight loss maintenance and improved long term health outcomes. Regular nut consumption has been associated with better weight management and less adiposity. The objective of this study was to compare the effects of a walnut-enriched reduced-energy diet to a standard reduced-energy density diet on weight, cardiovascular disease risk factors, and satiety. METHODS: Overweight and obese men and women (n = 100) were randomly assigned to a standard reduced-energy-density diet or a walnut-enriched (15% of energy) reduced energy diet in the context of a behavioral weight loss intervention. Measurements were obtained at baseline and 3- and 6-month clinic visits. Participants rated hunger, fullness and anticipated prospective consumption at 3 time points during the intervention. Body measurements, blood pressure, physical activity, lipids, tocopherols and fatty acids were analyzed using repeated measures mixed models. RESULTS: Both study groups reduced body weight, body mass index and waist circumference (time effect p < 0.001 for each). Change in weight was -9.4 (0.9)% vs. -8.9 (0.7)% (mean [SE]), for the standard vs. walnut-enriched diet groups, respectively. Systolic blood pressure decreased in both groups at 3 months, but only the walnut-enriched diet group maintained a lower systolic blood pressure at 6 months. The walnut-enriched diet group, but not the standard reduced-energy density diet group, reduced total cholesterol and low-density lipoprotein cholesterol (LDL-C) at 6 months, from 203 to 194 mg/dL and 121 to 112 mg/dL, respectively (p < 0.05). Self-reported satiety was similar in the groups. CONCLUSIONS: These findings provide further evidence that a walnut-enriched reduced-energy diet can promote weight loss that is comparable to a standard reduced-energy-density diet in the context of a behavioral weight loss intervention. Although weight loss in response to both dietary strategies was associated with improvements in cardiovascular disease risk factors, the walnut enriched diet promoted more favorable effects on LDL-C and systolic blood pressure. TRIAL REGISTRATION: The trial is registered at ( NCT02501889 ). PMID- 29202752 TI - Correction to: Integrative analysis associates monocytes with insufficient erythropoiesis during acute Plasmodium cynomolgi malaria in rhesus macaques. AB - After publication of the article [1], it was brought to our attention that several symbols were missing from Fig. 1, including some cited in the figure's key. The correct version of the figure is shown below and has now been updated in the original article. PMID- 29202753 TI - Development of triptolide-nanoemulsion gels for percutaneous administration: physicochemical, transport, pharmacokinetic and pharmacodynamic characteristics. AB - BACKGROUND: This work aimed to provide useful information on the use of nanoemulsions for the percutaneous administration of triptolide. Lipid nanosystems have great potential for transdermal drug delivery. Nanoemulsions and nanoemulsion gels were prepared to enhance percutaneous permeation. Microstructure and in vitro/in vivo percutaneous delivery characteristics of triptolide (TPL)-nanoemulsions and TPL-nanoemulsion gels were compared. The integrity of the nanoemulsions and nanoemulsion gels during transdermal delivery and its effects on the surface of skin were also investigated. The penetration mechanisms of nanoemulsions and nanoemulsion gels were investigated by differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR). The transport characteristics of fluorescence-labelled nanoemulsions were probed using laser scanning confocal microscopy. A chronic dermatitis/eczema model in mice ears and the pharmacodynamic of the TPL nanoemulsion gels were also investigated. RESULTS: Compared to TPL gels, significantly greater cumulative amounts of TPL-nanoemulsion gels and TPL nanoemulsions penetrated rat skin in vitro. The in vivo microdialysis showed the concentration-time curve AUC0-t for TPL-NPs is bigger than the TPL-gels. At the same time, TPL-NPs had a larger effect on the surface of skin. By hydrating keratin and changing the structure of both the stratum corneum lipids and keratin, nanoemulsions and nanoemulsion gels influence skin to promote percutaneous drug penetration. Both hairfollicles and the stratum corneum are also important in this transdermal drug delivery system. Moderate and high dosages of the TPL-nanoemulsion gels can significantly improve the symptoms of dermatitis/eczema inflammation and edema erythematic in mice ears and can reduce the expression of IFN-gamma and IL-4. Moreover, the TPL-nanoemulsion gels cause less gastrointestinal damage than that of the Tripterygium wilfordii oral tablet does. CONCLUSIONS: Nanoemulsions could be suitable for transdermal stably releasing drugs and maintaining the effective drug concentration. The TPL nanoemulsion gels provided higher percutaneous amounts than other carriers did. These findings suggest that nanoemulsion gels could be promising percutaneous carriers for TPL. The TPL-nanoemulsion gels have a significant treatment effect on dermatitis/eczema in the mice model and is expected to provide a new, low toxicity and long-term preparation for the clinical treatment of dermatitis/eczema in transdermal drug delivery systems. PMID- 29202754 TI - Institutional context and VCT practitioner narratives: possibilities and limitations for HIV prevention in Rio de Janeiro, Brazil. AB - BACKGROUND: Voluntary Counseling and Testing (VCT) is an HIV prevention strategy that promotes the principles of confidentiality and informed consent. International research has highlighted VCT counselors' isolation from service planning and the contradictions they negotiate between local values and global testing recommendations. In Brazil, studies have identified many limitations, including counselors' difficulties to implement a vulnerability approach to HIV prevention as recommended in the country's national guidelines. These studies, however, have not considered the particularities of the institutional contexts where counselors work. This research addresses these gaps in the VCT literature by exploring how VCT services are organized and how counselors perceive and perform their practices in the state of Rio de Janeiro, Brazil. METHODS: This is a case study of VCT services in the state of Rio de Janeiro. The research design included individual structured interviews with seven VCT service coordinators and twenty individual semi-structured interviews with VCT counselors. Participants were sampled according to gender, undergraduate degree and work trajectory to capture a diverse range counselor narratives. RESULTS: The VCT services were relatively homogenous in terms of functioning and had a similar restricted roll of activities including individual counseling and occasional external prevention activities with groups vulnerable to HIV. All VCT services reported reductions in staff size. Some counselors used dialogical practices to build trust, guarantee confidentiality and adjust their practices in accordance with their clients' values and practices. Others emphasized imperative messages or focused on risk and individual responsibility. Connections between how counselors perceive their practices and the organization of their work environment were observed. CONCLUSIONS: Due to the importance of counseling as a prevention strategy we recommend rethinking the relationship between counselors' practices and the organization of VCT services. The challenges brought about by the expansion of "test and treat" programs globally and other social and symbolic aspects of the HIV epidemic, such as gender inequalities, must also be taken into account. Further reflection is also needed on the relationship between counseling guidelines and practices within the vulnerability approach to HIV prevention. PMID- 29202755 TI - H558R, a common SCN5A polymorphism, modifies the clinical phenotype of Brugada syndrome by modulating DNA methylation of SCN5A promoters. AB - BACKGROUND: A common SCN5A polymorphism H558R (c.1673 A > G, rs1805124) improves sodium channel activity in mutated channels and known to be a genetic modifier of Brugada syndrome patients (BrS). We investigated clinical manifestations and underlying mechanisms of H558R in BrS. METHODS AND RESULTS: We genotyped H558R in 100 BrS (mean age 45 +/- 14 years; 91 men) and 1875 controls (mean age 54 +/- 18 years; 1546 men). We compared clinical parameters in BrS with and without H558R (H558R+ vs. H558R- group, N = 9 vs. 91). We also obtained right atrial sections from 30 patients during aortic aneurysm operations and compared SCN5A expression and methylation with or without H558R. H558R was less frequent in BrS than controls (9.0% vs. 19.2%, P = 0.028). The VF occurrence ratio was significantly lower (0% vs. 29.7%, P = 0.03) and spontaneous type 1 ECG was less observed in H558R+ than H558R- group (33.3% vs. 74.7%, P = 0.01). The SCN5A expression level was significantly higher and the methylation rate was significantly lower in sections with H558R (N = 10) than those without (0.98 +/- 0.14 vs. 0.83 +/- 0.19, P = 0.04; 0.7 +/- 0.2% vs. 1.6 +/- 0.1%, P = 0.004, respectively). In BrS with heterozygous H558R, the A allele mRNA expression was 1.38 fold higher than G allele expression. CONCLUSION: The SCN5A polymorphism H558R may be a modifier that protects against VF occurrence in BrS. The H558R decreased the SCN5A promoter methylation and increased the expression level in cardiac tissue. An allelic expression imbalance in BrS with a heterozygous H558R may also contribute to the protective effects in heterozygous mutations. PMID- 29202756 TI - Pestivirus infection in cattle dairy farms: E2 glycoprotein ELISA reveals the presence of bovine viral diarrhea virus type 2 in northwestern Italy. AB - BACKGROUND: Bovine viral diarrhea virus (BVDV) types 1 and 2 are members of the Pestivirus genus of the Flaviviridae family. This genus also includes the HoBi like virus, tentatively classified as BVDV type 3. BVDV-1 is widely distributed in Italy despite the extensive use of BVDV-1-based vaccines, while BVDV-2 and HoBi-like Pestivirus have been detected occasionally. Monitoring the occurrence of sporadic or atypical pestiviruses is a useful approach to evaluate the need for additional vaccine strains that can be used in BVDV control programs. RESULTS: In this study we developed a multiwell antibody ELISA based on the recombinant E2 protein of the three bovine pestiviruses. We evaluated the assay's applicability for surveillance purposes using pooled milk samples, each prepared from a maximum of 35 lactating cows and collected from 176 dairy herds. As expected, the majority of the pooled samples reacted to a greater extent against the BVDV-1 E2 antigen. All three milk pools from a single farm reacted to the BVDV-2 antigen, however. Further analysis using spot tests, antigen detection, and sequence analysis of the 5'-UTR region confirmed the presence of five persistently infected calves carrying a BVDV-2a strain. CONCLUSIONS: This study highlights for the first time that sporadic circulation of BVDV-2 can be predicted by immunoenzymatic methods in the absence of specific vaccination. PMID- 29202757 TI - Spatially balanced provision of health equipment: a cross-sectional study oriented to the identification of challenges to access promotion. AB - BACKGROUND: Access to health services is in part defined by the spatial distribution of healthcare equipment. To ensure equity in the provision of health services, it is important to examine availability across different health care providers taking into account population demand. Given the importance of the equitable provision of health equipment, we evaluate its spatial distribution in Brazil. METHODS: This study is classified as cross-sectional with an ecological design. We evaluate Brazilian data on distance to available health equipment considering: dialysis machines (385), magnetic resonance imaging (MRI) (257), hospital beds (3675) and bone densitometers (429). We define two distance thresholds (50 km and 200 km) from a municipality to the center of services provision. The balance between infrastructure capacity and potential demand was evaluated to identify a lack or surplus of health services. RESULTS: The distribution of dialysis equipment and bone densitometers is not balanced across Brazilian states, and unmet demand is high. With respect to MRIs, the large capacity of this equipment results in a large excess of supply. However, this characteristic alone cannot account for excesses of supply of over 700%, as is the case of the Federal District when the range is limited to 50 km. At the same time, four states in the Northeastern region of Brazil show a net excess of demand. Some regions do not meet the standard amount of supply defined by Brazilian Ministry of Health. The quantity and distribution of hospital beds are not sufficient to provide full coverage to the population. CONCLUSION: Our main focus was to evaluate the network of the provision of health equipment in Brazil, considering both private and public sectors conjointly. We take into account two main aspects of a spatially balanced health system: the regional availability of health equipment and the geographic distance between its demand and supply at the municipality level. Some regions do not meet the minimum requirement defined by the Brazilian Ministry of Health regarding the supply of health services. PMID- 29202758 TI - Health related quality of life among myocardial infarction survivors in the United States: a propensity score matched analysis. AB - BACKGROUND: Little is known regarding the health-related quality of life among myocardial infarction (MI) survivors in the United States. The purpose of this population-based study was to identify differences in health-related quality of life domains between MI survivors and propensity score matched controls. METHODS: This retrospective, cross-sectional matched case-control study examined differences in health-related quality of life (HRQoL) among MI survivors of myocardial infarction compared to propensity score matched controls using data from the 2015 Behavioral Risk Factor Surveillance System (BRFSS) survey. Propensity scores were generated via logistic regression for MI survivors and controls based on gender, race/ethnicity, age, body mass index (BMI), smoking status, and comorbidities. Chi-square tests were used to compare differences between MI survivors to controls for demographic variables. A multivariate analysis of HRQoL domains estimated odds ratios. Life satisfaction, sleep quality, and activity limitations were estimated using binary logistic regression. Social support, perceived general health, perceived physical health, and perceived mental health were estimated using multinomial logistic regression. Significance was set at p < 0.05. RESULTS: The final sample consisted of 16,729 MI survivors matched to 50,187 controls (n = 66,916). Survivors were approximately 2.7 times more likely to report fair/poor general health compared to control (AOR = 2.72, 95% CI: 2.43-3.05) and 1.5 times more likely to report limitations to daily activities (AOR = 1.46, 95% CI: 1.34-1.59). Survivors were more likely to report poor physical health >15 days in the month (AOR = 1.63, 95% CI: 1.46-1.83) and poor mental health >15 days in the month (AOR = 1.25, 95% CI: 1.07-1.46) compared to matched controls. There was no difference in survivors compared to controls in level of emotional support (rarely/never: AOR = 0.75, 95% CI: 0.48-1.18; sometimes: AOR = 0.73, 95% CI: 0.41-1.28), hours of recommended sleep (AOR = 1.14, 95% CI: 0.94-1.38), or life satisfaction (AOR = 1.62, 95% CI: 0.99-2.63). CONCLUSION: MI survivors experienced lower HRQoL on domains of general health, physical health, daily activity, and mental health compared to the general population. PMID- 29202759 TI - Effects of intramuscularly administered enrofloxacin on the susceptibility of commensal intestinal Escherichia coli in pigs (sus scrofa domestica). AB - BACKGROUND: In the European Union, various fluoroquinolones are authorised for the treatment of food producing animals. Each administration poses an increased risk of development and spread of antimicrobial resistance. The aim of this study was to investigate the impact of parenteral administration of enrofloxacin on the prevalence of enrofloxacin and ciprofloxacin susceptibilities in the commensal intestinal E. coli population. METHODS: E. coli isolates from faeces of twelve healthy pigs were included. Six pigs were administered enrofloxacin on day 1 to 3 and after two weeks for further three days. The other pigs formed the control group. MIC values were determined. Virulence and resistance genes were detected by PCR. Phylogenetic grouping was performed by PCR. Enrofloxacin and ciprofloxacin were analysed in sedimentation samples by HPLC. RESULTS: Susceptibility shifts in commensal E. coli isolates were determined in both groups. Non-wildtype E. coli could be cultivated from two animals of the experimental group for the first time one week after the first administration and from one animal of the control group on day 28. The environmental load with enrofloxacin in sedimentation samples showed the highest amount between days one and five. The repeated parenteral administration of enrofloxacin to pigs resulted in rapidly increased MIC values (day 28: MIC up to 4 mg/L, day 35: MIC >= 32mg/L). E. coli populations of the control group in the same stable without direct contact to the experimental group were affected. CONCLUSION: The parenteral administration of enrofloxacin to piglets considerably reduced the number of the susceptible intestinal E. coli population which was replaced by E. coli strains with increased MIC values against enrofloxacin. Subsequently also pigs of the control were affected suggesting a transferability of strains from the experimental group through the environment to the control group especially as we could isolate the same PFGE strains from both pig groups and the environment. PMID- 29202760 TI - Injections frequency and health care costs in patients treated with aflibercept compared to ranibizumab: new real-life evidence from Switzerland. AB - BACKGROUND: Previous analyses of real-life data indicated that injection frequency and health care costs did not differ for anti-VEGF treatment with aflibercept and ranibizumab. The objective of this study was to investigate whether this finding persisted when analysing a longer time period after licensing. METHODS: Retrospective analysis of health insurance claims data of two large Swiss basic health insurance plans including 28% of the Swiss population. Patients qualified for inclusion if aflibercept or ranibizumab treatment had been initiated between June 1, 2013 and November 1, 2014. Within this set, patients with at least 12 months of continuous insurance enrolment in the previous year, 12-month follow-up, and without change of anti-VEGF drug were considered. We examined the distribution of demographic data and patient characteristics between those receiving ranibizumab and those receiving aflibercept. Numbers of injections and associated health care expenditures observed during the 12-month follow-up period after incident treatment were the two outcomes considered. In multivariate regression analyses, controlling for possible confounding factors, we compared differences in these two outcomes between patients treated with aflibercept as compared to ranibizumab. RESULTS: A total of 3'058 patients were analysed, 790 (26%) receiving aflibercept and 2'268 receiving ranibizumab (74%). The use of aflibercept (average number of injections 6.2) as compared to ranibizumab (average number of injections 5.7) in the follow-up period of 1 to 12 months, was associated with a 12% increase in the injection frequency (95% confidence interval (CI) 6-17%; p < 0.001). CONCLUSIONS: Real-life data contradicts the assumption that aflibercept is used less frequently as compared to ranibizumab. This results in similar total health care expenditures for both anti-VEGF agents. PMID- 29202761 TI - Hilbert-Schmidt and Sobol sensitivity indices for static and time series Wnt signaling measurements in colorectal cancer - part A. AB - BACKGROUND: Ever since the accidental discovery of Wingless [Sharma R.P., Drosophila information service, 1973, 50, p 134], research in the field of Wnt signaling pathway has taken significant strides in wet lab experiments and various cancer clinical trials, augmented by recent developments in advanced computational modeling of the pathway. Information rich gene expression profiles reveal various aspects of the signaling pathway and help in studying different issues simultaneously. Hitherto, not many computational studies exist which incorporate the simultaneous study of these issues. RESULTS: This manuscript ? explores the strength of contributing factors in the signaling pathway, ? analyzes the existing causal relations among the inter/extracellular factors effecting the pathway based on prior biological knowledge and ? investigates the deviations in fold changes in the recently found prevalence of psychophysical laws working in the pathway. To achieve this goal, local and global sensitivity analysis is conducted on the (non)linear responses between the factors obtained from static and time series expression profiles using the density (Hilbert Schmidt Information Criterion) and variance (Sobol) based sensitivity indices. CONCLUSION: The results show the advantage of using density based indices over variance based indices mainly due to the former's employment of distance measures & the kernel trick via Reproducing kernel Hilbert space (RKHS) that capture nonlinear relations among various intra/extracellular factors of the pathway in a higher dimensional space. In time series data, using these indices it is now possible to observe where in time, which factors get influenced & contribute to the pathway, as changes in concentration of the other factors are made. This synergy of prior biological knowledge, sensitivity analysis & representations in higher dimensional spaces can facilitate in time based administration of target therapeutic drugs & reveal hidden biological information within colorectal cancer samples. PMID- 29202763 TI - Classification and sensitivity analysis of the transmission dynamic of hepatitis B. AB - BACKGROUND: Hepatitis B infection caused by the hepatitis B virus is one of the most serious viral infections and a global health problem. In the transmission of hepatitis B infection, three different phases, i.e. acute infected, chronically infected, and carrier individuals, play important roles. Carrier individuals are especially significant, because they do not exhibit any symptoms and are able to transmit the infection. Here we assessed the transmissibility associated with different infection stages of hepatitis B and generated an epidemic model. METHODS: To demonstrate the transmission dynamic of hepatitis B, we investigate an epidemic model by dividing the infectious class into three subclasses, namely acute infected, chronically infected, and carrier individuals with both horizontal and vertical transmission. RESULTS: Numerical results and sensitivity analysis of some important parameters are presented to show that the proportion of births without successful vaccination, perinatally infected individuals, and direct contact rate are highest risk factors for the spread of hepatitis B in the community. CONCLUSION: Our work provides a coherent platform for studying the full dynamics of hepatitis B and an effective direction for theoretical work. PMID- 29202764 TI - Influence of different sample preparation strategies on the proteomic identification of stress biomarkers in porcine saliva. AB - BACKGROUND: The influence of two different sample treatments comprising the enrichment of glycoproteins by boronic acid and dynamic range compression by hexapeptide libraries, on the detection of stress markers in saliva of pigs was evaluated in this study. For this purpose, saliva samples collected before and after the application of an acute stress model consisting of nasal restraining in pigs were processed without any treatment and with the two different treatments mentioned above. Protein separation by two-dimensional gel electrophoresis (2-DE) followed by identification of proteins using MALDI-TOF/TOF mass spectrometry (MS) was used as proteomic technique. RESULTS: The application of each of the two different sample treatment protocols allowed the identification of unique proteins that could be potential salivary acute stress markers in pigs: lipocalin 1, protein S100-A8 and immunoglobulin M by enrichment of glycoproteins; protein S100-A9, double headed protease inhibitor submandibular gland, and haemoglobin by dynamic range compression; and protein S100-A12 by both protocols. Salivary lipocalin, prolactin inducible protein, light chain of immunoglobulins, adenosine deaminase and carbonic anhydrase VI were identified as potential markers in untreated saliva as well as one of the other treatments. CONCLUSION: The use of different procedures allowed the detection of different potential stress markers. Although from a practical point of view, the use of saliva without further treatment as well as the enrichment of glycoproteins are less expensive and easy to do procedures. PMID- 29202765 TI - A novel technique for modified all-inside repair of bucket-handle meniscus tears using standard arthroscopic portals. AB - BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture. METHODS: Routine arthroscopic portals were created on a patient's left knee with a displaced BHMT. Through the anteromedial portal, a conjoint pseudo double lumen cannula was inserted. Two limbs of a reduction suture were passed through the cannula, one over the "femoral" surface of the meniscus, one over the "tibial" surface of the meniscus anterior to the biceps femoris tendon, with the knee flexed at 20 degrees to avoid injury to the saphenous nerve. Suture limbs were passed out percutaneously and tensioned. RESULTS: Anatomic reduction was ensured under arthroscopic visualization with ease. All inside repair was performed using the vertical mattress suture configuration. Reduction sutures were subsequently removed by cutting flush to the skin and pulling on one suture limb. The patient was back to full activities with minimal discomfort 8 months post-operatively. CONCLUSION: The technique described is superior to existing techniques for the following reasons: (1) Reduction of the displaced meniscal tear is "extra meniscal," avoiding further trauma to a damaged meniscus. (2) Tensioning of the two suture limbs created promotes better control of reduction through tensioning. (3) Risk of discomfort, infection, and neurovascular damage caused by a retained suture is reduced. (4) No additional portals/equipment is required. We encourage this novel technique to be attempted by surgeons. PMID- 29202767 TI - Dose selection for glycopyrrolate/eFlow(r) phase III clinical studies: results from GOLDEN (Glycopyrrolate for Obstructive Lung Disease via Electronic Nebulizer) phase II dose-finding studies. AB - BACKGROUND: Long-acting muscarinic antagonists (LAMAs) are recommended for the treatment of chronic obstructive pulmonary disease (COPD). Glycopyrrolate/eFlow(r) is an investigational drug-device combination of the LAMA glycopyrrolate administered by an eFlow(r) Closed System (eFlow(r) CS) nebulizer. The GOLDEN 2 (NCT01706536) and GOLDEN 6 (NCT02038829) Phase II, multicenter studies were conducted to inform dose selection for the GOLDEN Phase III clinical trials. Bronchodilator responses and safety assessments supported dose selection. METHODS: Subjects with moderate-to-severe COPD were randomized into 28-day parallel-group (GOLDEN 2) or 7-day crossover (GOLDEN 6) studies and received placebo, glycopyrrolate (3, 6.25, 12.5, 25, 50 or 100 MUg twice daily [BID]) or aclidinium bromide 400 MUg BID. The primary endpoint of both studies was change from baseline in trough forced expiratory volume in 1 s (FEV1). Safety assessments included the incidence of treatment-emergent adverse events (TEAEs), treatment-emergent serious adverse events, and discontinuation due to TEAE. Lung function data collected in both studies were pooled. RESULTS: The combined GOLDEN 2 (n = 282) and GOLDEN 6 (n = 96) studies included 378 subjects. On Days 7 and 28 there were dose-ordered, statistically significant and clinically important lung function improvements in glycopyrrolate treatment groups. Specifically, on Day 7, glycopyrrolate produced >0.100 L placebo-adjusted changes from baseline in trough FEV1 (12.5 MUg BID: 0.122 L; 25 MUg BID: 0.123 L; 50 MUg BID: 0.137 L) and FEV1 AUC0-12 (12.5 MUg BID: 0.145 L; 25 MUg BID: 0.178 L; 50 MUg BID: 0.180 L). The improvements in lung function for the glycopyrrolate 25 and 50 MUg BID doses were comparable to those with aclidinium bromide 400 MUg BID (FEV1: 0.149 L; FEV1 AUC0 12: 0.172 L). Acceptable safety profiles were observed across all groups in both studies. CONCLUSIONS: The efficacy and safety findings supported selection of glycopyrrolate 25 and 50 MUg BID doses for the Phase III GOLDEN studies and provided preliminary evidence for the use of nebulized glycopyrrolate as a maintenance therapy for COPD. PMID- 29202766 TI - Transcriptomic analysis of wound xylem formation in Pinus canariensis. AB - BACKGROUND: Woody plants, especially trees, usually must face several injuries caused by different agents during their lives. Healing of injuries in stem and branches, affecting the vascular cambium and xylem can take several years. In conifers, healing takes place mainly from the remaining vascular cambium in the margin of the wound. The woundwood formed in conifers during healing usually presents malformed and disordered tracheids as well as abundant traumatic resin ducts. These characteristics affect its functionality as water conductor and its technological properties. RESULTS: In this work we analyze for the first time the transcriptomic basis of the formation of traumatic wood in conifers, and reveal some differences with normal early- and late-wood. Microarray analysis of the differentiating traumatic wood, confirmed by quantitative RT-PCR, has revealed alterations in the transcription profile of up to 1408 genes during the first period of healing. We have grouped these genes in twelve clusters, according to their transcription profiles, and have distinguished accordingly two main phases during this first healing. CONCLUSIONS: Wounding induces a complete rearrangement of the transcriptional program in the cambial zone close to the injuries. At the first instance, radial growth is stopped, and a complete set of defensive genes, mostly related to biotic stress, are induced. Later on, cambial activity is restored in the lateral borders of the wound, even at a high rate. During this second stage certain genes related to early-wood formation, including genes involved in cell wall formation and transcription factors, are significantly overexpressed, while certain late-wood related genes are repressed. Additionally, significant alterations in the transcription profile of abundant non annotated genes are reported. PMID- 29202769 TI - Impact of systolic blood pressure limits on the diagnostic value of triage algorithms. AB - BACKGROUND: Major incidents are characterized by a lack of resources compared to an overwhelming number of casualties, requiring a prioritization of medical treatment. Triage algorithms are an essential tool for prioritizing the urgency of treatment for patients, but the evidence to support one over another is very limited. We determined the influence of blood pressure limits on the diagnostic value of triage algorithms, considering if pulse should be palpated centrally or peripherally. METHODS: We used a database representing 500 consecutive HEMS patients. Each patient was allocated a triage category (T1/red, T2/yellow, T3/green) by a group of experienced doctors in disaster medicine, independent of any algorithm. mSTaRT, ASAV, Field Triage Score (FTS), Care Flight (CF), "Model Bavaria" and two Norwegian algorithms (Nor and TAS), all containing the question "Pulse palpable?", were translated into Excel commands, calculating the triage category for each patient automatically. We used 5 blood pressure limits ranging from 130 to 60 mmHg to determine palpable pulse. The resulting triage categories were analyzed with respect to sensitivity, specificity and Youden Index (J) separately for trauma and non-trauma patients, and for all patients combined. RESULTS: For the entire population of patients within all triage algorithms the Youden Index (J) was highest for T1 (J between 0,14 and 0,62). Combining trauma and non-trauma patients, the highest J was obtained by ASAV (J = 0,62 at 60 mmHg). ASAV scored the highest within trauma patients (J = 0,87 at 60 mmHg), whereas Model Bavaria (J = 0,54 at 80 mmHg) reached highest amongst non-trauma patients. FTS performed worst for all patients (J = 0,14 at 60 mmHg), showing a lower score for trauma patients (J = 0,0 at 60 mmHg). Change of blood pressure limits resulted in different diagnostic values of all algorithms. DISCUSSION: We demonstrate that differing blood pressure limits have a remarkable impact on diagnostic values of triage algorithms. Further research is needed to determine the lowest blood pressure value that is possible to palpate at a peripheral artery compared to a central artery. CONCLUSION: As a consequence, it might be important in which location pulses are palpated according to the algorithm at hand during triage of patients. PMID- 29202768 TI - Assessing the precision of a time-sampling-based study among GPs: balancing sample size and measurement frequency. AB - BACKGROUND: Our research is based on a technique for time sampling, an innovative method for measuring the working hours of Dutch general practitioners (GPs), which was deployed in an earlier study. In this study, 1051 GPs were questioned about their activities in real time by sending them one SMS text message every 3 h during 1 week. The required sample size for this study is important for health workforce planners to know if they want to apply this method to target groups who are hard to reach or if fewer resources are available. In this time-sampling method, however, standard power analyses is not sufficient for calculating the required sample size as this accounts only for sample fluctuation and not for the fluctuation of measurements taken from every participant. We investigated the impact of the number of participants and frequency of measurements per participant upon the confidence intervals (CIs) for the hours worked per week. METHODS: Statistical analyses of the time-use data we obtained from GPs were performed. Ninety-five percent CIs were calculated, using equations and simulation techniques, for various different numbers of GPs included in the dataset and for various frequencies of measurements per participant. RESULTS: Our results showed that the one-tailed CI, including sample and measurement fluctuation, decreased from 21 until 3 h between one and 50 GPs. As a result of the formulas to calculate CIs, the increase of the precision continued and was lower with the same additional number of GPs. Likewise, the analyses showed how the number of participants required decreased if more measurements per participant were taken. For example, one measurement per 3-h time slot during the week requires 300 GPs to achieve a CI of 1 h, while one measurement per hour requires 100 GPs to obtain the same result. CONCLUSIONS: The sample size needed for time-use research based on a time-sampling technique depends on the design and aim of the study. In this paper, we showed how the precision of the measurement of hours worked each week by GPs strongly varied according to the number of GPs included and the frequency of measurements per GP during the week measured. The best balance between both dimensions will depend upon different circumstances, such as the target group and the budget available. PMID- 29202770 TI - A 10-year clinical outcome of radiotherapy as an adjuvant or definitive treatment for primary tracheal adenoid cystic carcinoma. AB - BACKGROUND: To evaluate the role of radiotherapy (RT) as an adjuvant or definitive treatment in primary tracheal adenoid cystic carcinoma (ACC) for local tumor control and survival. METHODS: A retrospective chart review was performed in 22 patients treated with adjuvant or definitive RT for primary tracheal ACC at a single center between November 1994 and December 2008. RESULTS: Thirteen and 9 patients received adjuvant and definitive RT, respectively. Microscopic residual disease after surgery was pathologically reported in 11 patients. The median RT dose was 59.4 Gy for adjuvant and 74.4 Gy for definitive RT. The overall response rate for definitive RT was 77.8%. Six patients in the definitive RT group exhibited local progression (LP), whereas 14 patients in both groups exhibited distant metastasis. The most common recurrence site in cases of treatment failure was the lung parenchyma. The median follow-up duration was 123 months, and the 10 year overall survival (OS) rate was 54.2%. Although LP was the most common cause of death (4 patients), two-thirds of the patients treated with definitive RT lived for >5 years. The 5-year and 10-year LP-free survival (LPFS) rates in the definitive RT group were 66.7 and 26.7%, respectively. Patients with higher RT dose by brachytherapy boost had good 5-year OS, 83.3%, and showed no local progression till 5-years. Most of the RT-induced side-effects were mild and tolerable, but 2 patients died of tracheal stenosis without any tumor recurrence. CONCLUSIONS: Adjuvant RT may be suitable for controlling microscopic residual disease, whereas definitive RT may yield appropriate long-term survival in >50% patients with unresectable tracheal ACC. Dose escalation should be considered to warrant long-term survival in definitive RT. PMID- 29202762 TI - Myocyte membrane and microdomain modifications in diabetes: determinants of ischemic tolerance and cardioprotection. AB - Cardiovascular disease, predominantly ischemic heart disease (IHD), is the leading cause of death in diabetes mellitus (DM). In addition to eliciting cardiomyopathy, DM induces a 'wicked triumvirate': (i) increasing the risk and incidence of IHD and myocardial ischemia; (ii) decreasing myocardial tolerance to ischemia-reperfusion (I-R) injury; and (iii) inhibiting or eliminating responses to cardioprotective stimuli. Changes in ischemic tolerance and cardioprotective signaling may contribute to substantially higher mortality and morbidity following ischemic insult in DM patients. Among the diverse mechanisms implicated in diabetic impairment of ischemic tolerance and cardioprotection, changes in sarcolemmal makeup may play an overarching role and are considered in detail in the current review. Observations predominantly in animal models reveal DM dependent changes in membrane lipid composition (cholesterol and triglyceride accumulation, fatty acid saturation vs. reduced desaturation, phospholipid remodeling) that contribute to modulation of caveolar domains, gap junctions and T-tubules. These modifications influence sarcolemmal biophysical properties, receptor and phospholipid signaling, ion channel and transporter functions, contributing to contractile and electrophysiological dysfunction, cardiomyopathy, ischemic intolerance and suppression of protective signaling. A better understanding of these sarcolemmal abnormalities in types I and II DM (T1DM, T2DM) can inform approaches to limiting cardiomyopathy, associated IHD and their consequences. Key knowledge gaps include details of sarcolemmal changes in models of T2DM, temporal patterns of lipid, microdomain and T-tubule changes during disease development, and the precise impacts of these diverse sarcolemmal modifications. Importantly, exercise, dietary, pharmacological and gene approaches have potential for improving sarcolemmal makeup, and thus myocyte function and stress-resistance in this ubiquitous metabolic disorder. PMID- 29202771 TI - Selective proliferative response of microglia to alternative polarization signals. AB - BACKGROUND: Microglia are resident myeloid cells of the central nervous system (CNS) that are maintained by self-renewal and actively participate in tissue homeostasis and immune defense. Under the influence of endogenous or pathological signals, microglia undertake biochemical transformations that are schematically classified as the pro-inflammatory M1 phenotype and the alternatively activated M2 state. Dysregulated proliferation of M1-activated microglia has detrimental effects, while an increased number of microglia with the alternative, pro resolving phenotype might be beneficial in brain pathologies; however, the proliferative response of microglia to M2 signals is not yet known. We thus evaluated the ability of interleukin-4 (IL-4), a typical M2 and proliferative signal for peripheral macrophages, to induce microglia proliferation and compared it with other proliferative and M2 polarizing stimuli for macrophages, namely colony-stimulating factor-1 (CSF-1) and the estrogen hormone, 17beta-estradiol (E2). METHODS: Recombinant IL-4 was delivered to the brain of adult mice by intracerebroventricular (i.c.v.) injection; whole brain areas or ex vivo-sorted microglia were analyzed by real-time PCR for assessing the mRNA levels of genes related with cell proliferation (Ki67, CDK-1, and CcnB2) and M2 polarization (Arg1, Fizz1, Ym-1) or by FACS analyses of in vivo BrdU incorporation in microglia. Primary cultures of microglia and astrocytes were also tested for proliferative effects. RESULTS: Our results show that IL-4 only slightly modified the expression of cell cycle-related genes in some brain areas but not in microglia, where it strongly enhanced M2 gene expression; on the contrary, brain delivery of CSF-1 triggered proliferation as well as M2 polarization of microglia both in vivo and in vitro. Similar to IL-4, the systemic E2 administration failed to induce microglia proliferation while it increased M2 gene expression. CONCLUSIONS: Our data show that, in contrast to the wider responsiveness of peripheral macrophages, microglia proliferation is stimulated by selected M2 polarizing stimuli suggesting a role for the local microenvironment and developmental origin of tissue macrophages in regulating self-renewal following alternative activating stimuli. PMID- 29202772 TI - Evidence use in decision-making on introducing innovations: a systematic scoping review with stakeholder feedback. AB - BACKGROUND: A range of evidence informs decision-making on innovation in health care, including formal research findings, local data and professional opinion. However, cultural and organisational factors often prevent the translation of evidence for innovations into practice. In addition to the characteristics of evidence, it is known that processes at the individual level influence its impact on decision-making. Less is known about the ways in which processes at the professional, organisational and local system level shape evidence use and its role in decisions to adopt innovations. METHODS: A systematic scoping review was used to review the health literature on innovations within acute and primary care and map processes at the professional, organisational and local system levels which influence how evidence informs decision-making on innovation. Stakeholder feedback on the themes identified was collected via focus groups to test and develop the findings. RESULTS: Following database and manual searches, 31 studies reporting primary qualitative data met the inclusion criteria: 24 were of sufficient methodological quality to be included in the thematic analysis. Evidence use in decision-making on innovation is influenced by multi-level processes (professional, organisational, local system) and interactions across these levels. Preferences for evidence vary by professional group and health service setting. Organisations can shape professional behaviour by requiring particular forms of evidence to inform decision-making. Pan-regional organisations shape innovation decision-making at lower levels. Political processes at all levels shape the selection and use of evidence in decision making. CONCLUSIONS: The synthesis of results from primary qualitative studies found that evidence use in decision-making on innovation is influenced by processes at multiple levels. Interactions between different levels shape evidence use in decision-making (e.g. professional groups and organisations can use local systems to validate evidence and legitimise innovations, while local systems can tailor or frame evidence to influence activity at lower levels). Organisational leaders need to consider whether the environment in which decisions are made values diverse evidence and stakeholder perspectives. Further qualitative research on decision-making practices that highlights how and why different types of evidence come to count during decisions, and tracks the political aspects of decisions about innovation, is needed. PMID- 29202774 TI - Pre-hospital advanced airway management in children: a challenge that training can handle. AB - We respond to the Tarpgaard et al. article reporting on pre-hospital endotracheal intubation (PHETI) success and complications by Danish critical care teams including critical care anaesthetists. We compare the authors' results with previously published results from our service's experience with PHETI in a similar patient population, also with physician and paramedic medical teams. From 25 children <16 years of age, the Danish study reports overall success, and first pass success, and complication rates of 96, 75 and 20%, respectively. A recently published study of 82 patients that we completed revealed the following results: 100, 91 and 14%, respectively. We propose training and operating protocols we believe contribute to this relative success in paediatric PHETI. PMID- 29202773 TI - Process evaluation of the systematic medical appraisal, referral and treatment (SMART) mental health project in rural India. AB - BACKGROUND: Availability of basic mental health services is limited in rural areas of India. Health system and individual level factors such as lack of mental health professionals and infrastructure, poor awareness about mental health, stigma related to help seeking, are responsible for poor awareness and use of mental health services. We implemented a mental health services delivery model that leveraged technology and task sharing to facilitate identification and treatment of common mental disorders (CMDs) such as stress, depression, anxiety and suicide risk in rural areas of the state of Andhra Pradesh, India. The intervention was delivered by lay village health workers (Accredited Social Health Activists - ASHAs) and primary care doctors. An anti-stigma campaign was implemented prior to this activity. This paper reports the process evaluation of the intervention using mixed methods. METHODS: A mixed methods pre-post evaluation assessed the intervention using quantitative service usage analytics from the server, and qualitative interviews with different stakeholders. Barriers and facilitators in implementing the intervention were identified. RESULTS: Health service use increased significantly at post-intervention, ASHAs could followup 78.6% of those who had screened positive, and 78.6% of the 1243 Interactive Voice Response System calls made, were successful. Most respondents were aware of the intervention. They indicated that knowledge received through the intervention empowered them to approach ASHAs and share their mental health symptoms. ASHAs and doctors opined that EDSS was useful and easy to use. Medical camps organized in villages to increase access to the doctor were received positively by all. However, some aspects or facilitators of the intervention need to be improved, including network connectivity, booster training, anti-stigma campaigns, quality of mental health services provided by doctors, provision of psychotropic medications at primary health centers and frequency of health camps. CONCLUSION: The respondents' views helped to understand the barriers and facilitators for improving the likely effectiveness of the intervention using Andersen's Modified Behavioral Model of Health Services Use, and identify the mechanisms by which those factors affected mental health services uptake in the community. TRIAL REGISTRATION: The study is registered with Clinical Trials Registry India (Applied - 16/07/14-Ref2014/07/007256; registration received - 04/10/17-CTRI/2017/10/009992 ). PMID- 29202775 TI - Nam Dia long, a Vietnamese folk formula, induces apoptosis in MCF-7 cells through various mechanisms of action. AB - BACKGROUND: The holistic approach of traditional medicine renders the identification of its mechanisms of action difficult. Microarray technology provides an efficient way to analyze the complex genome-wide gene expression of cells treated with mixtures of medicinal ingredients. We performed transcriptional profiling of MCF-7 cells treated with Nam Dia Long (NDL), a Vietnamese traditional formula, to explore the mechanism of action underlying the apoptosis inducing effect of this formula reported in a previous study. METHODS: MCF-7 cells were treated with aqueous extracts of NDL at the IC50 concentration for 24, 36 and 48 h. Total RNAs at 24 h and 48 h were subsequently extracted, reverse transcribed and submitted to microarray expression profiling using the Human HT-12 v4.0 Expression Bead Chip (Illumina). Functional analyses were performed using the Database for Annotation, Visualization and Integrated Discovery and the Ingenuity Pathways Analysis. The expression level from selected genes at the three time points were assessed by quantitative real-time RT-PCR and Western blot. RESULTS: Fifty-four and 601 genes were differentially expressed at 24 and 48 h of NDL treatment, respectively. Genes with altered expression at 24 h were mostly involved in cell responses to xenobiotic stress whereas genes differentially expressed at 48 h were related to endoplasmic reticulum stress, DNA damage and cell cycle control. Apoptosis of NDL treated MCF-7 cells resulted from a combination of different mechanisms including the intrinsic and extrinsic pathways, cell cycle arrest- and oxidative stress-related cell death. CONCLUSION: NDL elicited a two-stage response in MCF-7 treated cells with apoptosis as the ultimate result. The various mechanisms inducing apoptosis reflected the complexity of the formula composition. PMID- 29202776 TI - 'Image-navigated 3-dimensional late gadolinium enhancement cardiovascular magnetic resonance imaging: feasibility and initial clinical results'. AB - BACKGROUND: Image-navigated 3-dimensional late gadolinium enhancement (iNAV-3D LGE) is an advanced imaging technique that allows for direct respiratory motion correction of the heart. Its feasibility in a routine clinical setting has not been validated. METHODS: Twenty-three consecutive patients referred for cardiovascular magnetic resonance (CMR) examination including late gadolinium enhancement (LGE) imaging were prospectively enrolled. Image-navigated free breathing 3-dimensional (3D) T1-weighted gradient-echo LGE and two-dimensional (2D LGE) images were acquired in random order on a 1.5 T CMR system. Images were assessed for global, segmental LGE detection and transmural extent. Objective image quality including signal-to-noise (SNR), contrast-to-noise (CNR) and myocardial/blood sharpness were performed. RESULTS: Interpretable images were obtained in all 2D-LGE and in 22/23 iNAV-3D LGE exams, resulting in a total of 22 datasets and 352 segments. LGE was detected in 5 patients with ischemic pattern, in 7 with non-ischemic pattern, while it was absent in 10 cases. There was an excellent agreement between 2D and 3D data sets with regard to global, segmental LGE detection and transmurality. Blood-myocardium sharpness measurements were also comparable between the two techniques. SNRblood and CNRblood-myo was significantly higher for 2D LGE (P < 0.001, respectively), while SNRmyo was not statistically significant between 2D LGE and iNAV-3D LGE. CONCLUSION: Diagnostic performance of iNAV-3D LGE was comparable to 2D LGE in a prospective clinical setting. SNRblood and CNRblood-myo was significantly lower in the iNAV-3D LGE group. PMID- 29202777 TI - Identification of coexistence of BRAF V600E mutation and EZH2 gain specifically in melanoma as a promising target for combination therapy. AB - BACKGROUND: Coexistence of enhancer of zeste homolog 2 (EZH2) and BRAF gene aberrations has been described in many cancer types. In this study, we aim to explore the coexistence status of BRAF V600E mutation and the copy number variation of EZH2 and explore the potential of this combination as a therapeutic target. METHODS: A total of 138 cases of melanoma samples harboring BRAF V600E mutation were included, and EZH2 copy numbers were examined by QuantiGenePlex DNA Assays. Clinical pathological distinction between patient groups with or without EZH2 amplification (hereafter referred to as EZH2 gain) was statistically analyzed. The sensitivity of melanoma cell lines and patient-derived xenograft (PDX) models containing BRAF V600E mutation with or without EZH2 gain to vemurafenib (BRAF inhibitor), GSK2816126 (EZH2 inhibitor) and a combination of both agents was evaluated. RESULTS: In our cohort, the coexistence rate of BRAF V600E mutation and EZH2 gain was up to 29.0%, and significant differences in overall survival and disease-free survival were found between no EZH2 copy number gain and gain groups (P = 0.038, P = 0.030), gain and high EZH2 copy number gain groups (P = 0.006, P = 0.010). Combination with BRAF and EZH2 inhibition showed better inhibitory efficacy in melanoma prevention compared with vemurafenib monotherapy. More importantly, this improved therapeutic effect was observed especially in melanoma cell lines and PDX models containing concurrently BRAF V600E mutation and EZH2 gain. CONCLUSIONS: Coexistence of BRAF V600E mutation and EZH2 gain is rather prevalent in melanoma. Our findings provided evidence for the feasibility of combination therapy with EZH2 and BRAF inhibitors in melanoma with concurrent BRAF V600E mutation and EZH2 gain. PMID- 29202778 TI - Regulator of oligodendrocyte maturation, miR-219, a potential biomarker for MS. AB - BACKGROUND: Multiple sclerosis (MS) is a demyelinating and degenerative disease of the central nervous system. Normally, demyelination is followed by remyelination, which requires repopulation of a demyelinated area by oligodendrocyte precursor cells. Although large numbers of precursor cells are present in MS lesions, remyelination often fails, in part by the inability of precursor cells to differentiate into mature myelin-forming cells. In mouse and rat, miR-219 is required for this differentiation. Previously, we identified decreased miR-219 expression in tissue of MS patients compared to controls. Cell free miRNAs have been detected in many different body fluids including cerebrospinal fluid (CSF) and may reflect disease processes going on in the central nervous system. This prompted us to investigate the biomarker performance of CSF miR-219 for MS diagnosis. METHODS: Quantitative PCR was performed measuring miR-219 levels in CSF of MS patients and controls in three independent cohorts. RESULTS: All three cohorts of MS patients and controls revealed that absence of miR-219 detection in CSF is consistently associated with MS. CONCLUSIONS: We have been able to identify and validate absence of miR-219 detection in CSF of MS patients compared to controls, suggesting that it may emerge as a candidate biomarker for MS diagnosis. PMID- 29202779 TI - Correlates of poor mental health in early pregnancy in obese European women. AB - BACKGROUND: Depression during pregnancy is associated with higher maternal morbidity and mortality, and subsequent possible adverse effects on the cognitive, emotional and behavioral development of the child. The aim of the study was to identify maternal characteristics associated with poor mental health, in a group of overweight/obese pregnant women in nine European countries, and thus, to contribute to better recognition and intervention for maternal depression. METHODS: In this cross-sectional observational study, baseline data from early pregnancy (< 20 weeks) of the DALI (Vitamin D and Lifestyle Intervention for gestational diabetes mellitus prevention) study were analyzed. Maternal mental health was assessed with the World Health Organization Well-Being Index (WHO-5). Women were classified as having a low (WHO-5 <= 50) or high wellbeing. RESULTS: A total of 735 pregnant women were included. The prevalence of having a low wellbeing was 27.2%, 95% CI [24.0, 30.4]. Multivariate analysis showed independent associations between low wellbeing and European ethnicity, OR = .44, 95% CI [.25, .77], shift work, OR = 1.81, 95% CI [1.11, 2.93], insufficient sleep, OR = 3.30, 95% CI [1.96, 5.55], self-efficacy, OR = .95, 95% CI [.92, .98], social support, OR = .94, 95% CI [.90, .99], and pregnancy-related worries (socioeconomic: OR = 1.08, 95% CI [1.02, 1.15]; health: OR = 1.06, 95% CI [1.01, 1.11]; relationship: OR = 1.17, 95% CI [1.05, 1.31]). CONCLUSIONS: Mental health problems are common in European overweight/obese pregnant women. The identified correlates might help in early recognition and subsequent treatment of poor mental health problems during pregnancy. This is important to reduce the unfavorable effects of poor mental health on pregnancy outcomes. TRIAL REGISTRATION: ISRCTN70595832 , 02.12.2011. PMID- 29202780 TI - Transforming growth factor beta (TGF-beta) in adolescent chronic fatigue syndrome. AB - BACKGROUND: Chronic fatigue syndrome (CFS) is a prevalent and disabling condition among adolescent. The disease mechanisms are unknown. Previous studies have suggested elevated plasma levels of several cytokines, but a recent meta-analysis of 38 articles found that of 77 different cytokines measured in plasma, transforming growth factor beta (TGF-beta) was the only one that was elevated in patients compared to controls in a sufficient number of articles. In the present study we therefore compared the plasma levels of the three TGF-beta isoforms in adolescent CFS patients and healthy controls. In addition, the study explored associations between TGF-beta levels, neuroendocrine markers, clinical markers and differentially expressed genes within the CFS group. METHODS: CFS patients aged 12-18 years (n = 120) were recruited nation-wide to a single referral center as part of the NorCAPITAL project (ClinicalTrials ID: NCT01040429). A broad case definition of CFS was applied, requiring 3 months of unexplained, disabling chronic/relapsing fatigue of new onset, whereas no accompanying symptoms were necessary. Healthy controls (n = 68) were recruited from local schools. The three isoforms of TGF-beta (TGF-beta1, TGF-beta2, TGF-beta3) were assayed using multiplex technology. Neuroendocrine markers encompassed plasma and urine levels of catecholamines and cortisol, as well as heart rate variability indices. Clinical markers consisted of questionnaire scores for symptoms of post exertional malaise, inflammation, fatigue, depression and trait anxiety, as well as activity recordings. Whole blood gene expression was assessed by RNA sequencing in a subgroup of patients (n = 29) and controls (n = 18). RESULTS: Plasma levels of all three isoforms of TGF-beta were equal in the CFS patients and the healthy controls. Subgrouping according to the Fukuda and Canada 2003 criteria of CFS did not reveal differential results. Within the CFS group, all isoforms of TGF-beta were associated with plasma cortisol, urine norepinephrine and urine epinephrine, and this association pattern was related to fatigue score. Also, TGF-beta3 was related to expression of the B cell annotated genes TNFRSF13C and CXCR5. CONCLUSIONS: Plasma levels of all TGF-beta isoforms were not altered in adolescent CFS. However, the TGF-beta isoforms were associated with neuroendocrine markers, an association related to fatigue score. Furthermore, TGF beta3 might partly mediate an association between plasma cortisol and B cell gene expression. Trial registration Clinical Trials NCT01040429. PMID- 29202781 TI - ACTA2 mutation and postpartum hemorrhage: a case report. AB - BACKGROUND: ACTA2 encodes smooth muscle specific alpha-actin, a critical component or the contractile complex of vascular smooth muscle. Mutations in ACTA2 are the most common genetic cause of thoracic aortic aneurysm, and are also the cause of other disorders, including Moyamoya disease, coronary artery disease and stroke as well as Multisystemic Smooth Muscle Dysfunction Syndrome. We note that ACTA2 is also expressed in uterine smooth muscle, and this raises the possibility that women harboring ACTA2 mutations might exhibit uterine smooth muscle dysfunction. CASE PRESENTATION: We present a young woman whose ACTA2 mutation was ascertained during pregnancy because of her father's history of dissecting aneurysms. She was delivered at full term by cesarean section and subsequently had severe uterine hemorrhage due to uterine atony. Although her atony was successfully treated with uterotonic medications, she required blood transfusion. CONCLUSIONS: This case raises the possibility that women with ACTA2 mutations may be at risk of uterine muscle dysfunction and hemorrhage. Obstetricians should be alerted to and prepared for this possibility. PMID- 29202782 TI - Studying de-implementation in health: an analysis of funded research grants. AB - BACKGROUND: Studying de-implementation-defined herein as reducing or stopping the use of a health service or practice provided to patients by healthcare practitioners and systems-has gained traction in recent years. De-implementing ineffective, unproven, harmful, overused, inappropriate, and/or low-value health services and practices is important for mitigating patient harm, improving processes of care, and reducing healthcare costs. A better understanding of the state-of-the-science is needed to guide future objectives and funding initiatives. To this end, we characterized de-implementation research grants funded by the United States (US) National Institutes of Health (NIH) and the Agency for Healthcare Research and Quality (AHRQ). METHODS: We used systematic methods to search, identify, and describe de-implementation research grants funded across all 27 NIH Institutes and Centers (ICs) and AHRQ from fiscal year 2000 through 2017. Eleven key terms and three funding opportunity announcements were used to search for research grants in the NIH Query, View and Report (QVR) system. Two coders identified eligible grants based on inclusion/exclusion criteria. A codebook was developed, pilot tested, and revised before coding the full grant applications of the final sample. RESULTS: A total of 1277 grants were identified through the QVR system; 542 remained after removing duplicates. After the multistep eligibility assessment and review process, 20 grant applications were coded. Many grants were funded by NIH (n = 15), with fewer funded by AHRQ, and a majority were funded between fiscal years 2015 and 2016 (n = 11). Grant proposals focused on de-implementing a range of health services and practices (e.g., medications, therapies, screening tests) across various health areas (e.g., cancer, cardiovascular disease) and delivery settings (e.g., hospitals, nursing homes, schools). Grants proposed to use a variety of study designs and research methods (e.g., experimental, observational, mixed methods) to accomplish study aims. CONCLUSIONS: Based on the systematic portfolio analysis of NIH- and AHRQ-funded research grants over the past 17 years, relatively few have focused on studying the de-implementation of ineffective, unproven, harmful, overused, inappropriate, and/or low-value health services and practices provided to patients by healthcare practitioners and systems. Strategies for raising the profile and growing the field of research on de-implementation are discussed. PMID- 29202783 TI - Influences on anticipated time to ovarian cancer symptom presentation in women at increased risk compared to population risk of ovarian cancer. AB - BACKGROUND: In the absence of routine ovarian cancer screening, promoting help seeking in response to ovarian symptoms is a potential route to early diagnosis. The factors influencing women's anticipated time to presentation with potential ovarian cancer symptoms were examined. METHODS: Cross-sectional questionnaires were completed by a sample of women at increased familial risk (n = 283) and population risk (n = 1043) for ovarian cancer. Measures included demographic characteristics, symptom knowledge, anticipated time to symptom presentation, and health beliefs (perceived susceptibility, worry, perceived threat, confidence in symptom detection, benefits and barriers to presentation). Structural equation modelling was used to identify determinants of anticipated time to symptomatic presentation in both groups. RESULTS: Associations between health beliefs and anticipated symptom presentation differed according to risk group. In increased risk women, high perceived susceptibility (r = .35***), ovarian cancer worry (r = .98**), perceived threat (r = -.18**), confidence (r = .16**) and perceiving more benefits than barriers to presentation (r = -.34**), were statistically significant in determining earlier anticipated presentation. The pattern was the same for population risk women, except ovarian cancer worry (r = .36) and perceived threat (r = -.03) were not statistically significant determinants. CONCLUSIONS: Associations between underlying health beliefs and anticipated presentation differed according to risk group. Women at population risk had higher symptom knowledge and anticipated presenting in shorter time frames than the increased risk sample. The cancer worry component of perceived threat was a unique predictor in the increased risk group. In increased risk women, the worry component of perceived threat may be more influential than susceptibility aspects in influencing early presentation behaviour, highlighting the need for ovarian symptom awareness interventions with tailored content to minimise cancer-related worry in this population. PMID- 29202784 TI - Sprint and jump performance in elite male soccer players following a 10-week Nordic Hamstring exercise Protocol: a randomised pilot study. AB - OBJECTIVE: The preseason Nordic Hamstring Protocol (NHP) reduces hamstring strain injuries in football players. Despite persisting injury rates, elite clubs are reluctant to apply the NHP often over concerns of negative impacts on performance. This pilot study investigated if sprint or jump-performance outcomes tended to increase or decrease following implementation of the NHP in elite male soccer-players. RESULTS: Nineteen male soccer players from the Danish 1st division were randomised to perform NHP (27 sessions) during pre-season, or to control group (CG). Sprint performance (30 m with 5 and 10 m split times) and countermovement jump (CMJ height) was measured before the mid-seasonal break and again after 10 weeks of performing the NHP at the end of pre-season. Dropouts were due to transfers and injuries unrelated to performing NHP (NHP = 0, CG = 5). Sprint performance on the short split distances improved for most players in the NHP (6 out of 9 improved, median changes for 5 m split: - 0.068 s; 10 m split: - 0.078 s), but not CG (2 out of 5 improved, median changes for 5 m split: + 0.1 s; 10 m split: CG: + 0.11 s), but both groups had small declines at 30 m sprint (NHP: 7 out of 9 declined, median changes: + 0.116 s; CG: 4 out of 5 declined, median changes: + 0.159 s). CMJ height mostly improved in both groups (NHP: 6 out of 9 improved, median changes: + 2.1 cm; CG: 4 out of 8 improved, median changes: + 0.55 cm). Performing the NHP in elite soccer players did therefore not seem to negatively affect sprint and vertical jump performance outcomes in the present study, while in fact showing some promise for the more explosive characteristics such as the short 5 and 10 m split-times and maximal CMJ height, which all are highly relevant performance parameters in elite football. PMID- 29202785 TI - Anti-aggregant tau mutant promotes neurogenesis. AB - BACKGROUND: The microtubule-associated protein Tau plays a role in neurodegeneration as well as neurogenesis. Previous work has shown that the expression of the pro-aggregant mutant Tau repeat domain causes strong aggregation and pronounced neuronal loss in the hippocampus whereas the anti aggregant form has no deleterious effects. These two proteins differ mainly in their propensity to form beta structure and hence to aggregate. METHODS: To elucidate the basis of these contrasting effects, we analyzed organotypic hippocampal slice cultures (OHSCs) from transgenic mice expressing the repeat domain (RD) of Tau with the anti-aggregant mutation (TauRDDeltaKPP) and compared them with slices containing pro-aggregant TauRDDeltaK. Transgene expression in the hippocampus was monitored via a sensitive bioluminescence reporter gene assay (luciferase). RESULTS: The expression of the anti-aggregant TauRDDeltaKPP leads to a larger volume of the hippocampus at a young age due to enhanced neurogenesis, resulting in an increase in neuronal number. There were no signs of activation of microglia and astrocytes, indicating the absence of an inflammatory reaction. Investigation of signaling pathways showed that Wnt-5a was strongly decreased whereas Wnt3 was increased. A pronounced increase in hippocampal stem cell proliferation (seen by BrdU) was observed as early as P8, in the CA regions where neurogenesis is normally not observed. The increase in neurons persisted up to 16 months of age. CONCLUSION: The data suggest that the expression of anti aggregant TauRDDeltaKPP enhances hippocampal neurogenesis mediated by the canonical Wnt signaling pathway, without an inflammatory reaction. This study points to a role of tau in brain development and neurogenesis, in contrast to its detrimental role in neurodegeneration at later age. PMID- 29202786 TI - PERFECTED enhanced recovery (PERFECT-ER) care versus standard acute care for patients admitted to acute settings with hip fracture identified as experiencing confusion: study protocol for a feasibility cluster randomized controlled trial. AB - BACKGROUND: Health and social care provision for an ageing population is a global priority. Provision for those with dementia and hip fracture has specific and growing importance. Older people who break their hip are recognised as exceptionally vulnerable to experiencing confusion (including but not exclusively, dementia and/or delirium and/or cognitive impairment(s)) before, during or after acute admissions. Older people experiencing hip fracture and confusion risk serious complications, linked to delayed recovery and higher mortality post-operatively. Specific care pathways acknowledging the differences in patient presentation and care needs are proposed to improve clinical and process outcomes. METHODS: This protocol describes a multi-centre, feasibility, cluster-randomised, controlled trial (CRCT) to be undertaken across ten National Health Service hospital trusts in the UK. The trial will explore the feasibility of undertaking a CRCT comparing the multicomponent PERFECTED enhanced recovery intervention (PERFECT-ER), which acknowledges the differences in care needs of confused older patients experiencing hip fracture, with standard care. The trial will also have an integrated process evaluation to explore how PERFECT-ER is implemented and interacts with the local context. The study will recruit 400 hip fracture patients identified as experiencing confusion and will also recruit "suitable informants" (individuals in regular contact with participants who will complete proxy measures). We will also recruit NHS professionals for the process evaluation. This mixed methods design will produce data to inform a definitive evaluation of the intervention via a large-scale pragmatic randomised controlled trial (RCT). DISCUSSION: The trial will provide a preliminary estimate of potential efficacy of PERFECT-ER versus standard care; assess service delivery variation, inform primary and secondary outcome selection, generate estimates of recruitment and retention rates, data collection difficulties, and completeness of outcome data and provide an indication of potential economic benefits. The process evaluation will enhance knowledge of implementation delivery and receipt. TRIAL REGISTRATION: ISRCTN, 99336264 . Registered on 5 September 2016. PMID- 29202787 TI - Efficacy and safety of eribulin in patients with locally advanced or metastatic breast cancer not meeting trial eligibility criteria: a retrospective study. AB - BACKGROUND: The efficacy and safety of eribulin in patients with locally advanced or metastatic breast cancer has been demonstrated in phase III trials. However, as patients receiving eribulin in daily practice do not necessarily meet all the eligibility criteria of clinical trials, data for such patients are limited. METHODS: We identified patients with locally advanced or metastatic breast cancer, treated with eribulin monotherapy between July 2011 and December 2015 at the National Cancer Center Hospital, Tokyo, Japan. Patients who would have met the following eligibility criteria from the EMBRACE trial were included in the eligible group, and the rest were included in the ineligible group: 1) Eastern Cooperative Oncology Group Performance status 0-2; 2) adequate function of principal organs; and 3) absence of active infection. We compared the relative dose intensity (RDI), tumor response, progression-free survival (PFS), overall survival (OS), and adverse events between the groups. Nominal and continuous values were compared using the Fisher's exact test and Mann-Whitney U test, respectively. Survival outcomes were determined using Kaplan-Meier estimation, and between-group differences were assessed using the log-rank test. RESULTS: Of the 203 patients included, 34 were classified into the ineligible group and 169 into the eligible group. Initial dose reduction and treatment discontinuation due to adverse events (AEs) were more common in the ineligible group (initial dose reduction: 23.5% in the ineligible group vs. 7.7% in the eligible group, p = 0.011; treatment discontinuation due to AEs: 11.8% vs. 3.0%, p = 0.045). However, RDI (66% vs. 71%, p = 0.130), response rate (15.6% vs. 18.1%, p = 1.000), PFS (3.7 months vs. 4.0 months, p = 0.913), OS (11.5 months vs. 16.1 months, p = 0.743), AEs requiring hospitalization (5.9% vs. 6.5%, p = 1.000), and grade 3/4 AEs were similar in both groups. PFS, OS, AEs requiring hospitalization, and discontinuation due to AEs in the eligible group were comparable to those found in previous phase III trials. CONCLUSION: The safety and efficacy of eribulin monotherapy was demonstrated in a broader patient population than that eligible for clinical trials. Eribulin may be a treatment option in these patients with locally advanced or metastatic breast cancer, considering dose reduction and pre existing dysfunctions. PMID- 29202788 TI - MTHFR A1298C polymorphisms reduce the risk of congenital heart defects: a meta analysis from 16 case-control studies. AB - BACKGROUND: Methylenetetrahydrofolate reductase (MTHFR) plays a crucial role in the hyperhomocysteinemia, which is a risk factor related to the occurrence of congenital heart defect (CHD). However, the association between MTHFR polymorphism and CHD has been inconclusive. METHODS: We conducted an updated meta analysis to provide comprehensive evidence on the role of MTHFR A1298C polymorphism in CHD. Databases were searched and a total of 16 studies containing 2207 cases and 2364 controls were included. RESULTS: We detected that a significant association was found in the recessive model (CC vs. AA + AC: OR = 1.38, 95% CI: 1.10-1.73) for the overall population. Subgroup analysis showed that associations were found in patients without Down Syndrome in genetic models for CC vs. AA (OR = 1.47, 95% CI: 1.01-2.14), CC vs. AC (OR = 1.29, 95% CI: 1.00 1.66) and recessive model (OR = 1.44, 95% CI: 1.14-1.82). We conducted a meta regression analysis, Galbraith plots and a sensitivity analysis to assess the sources of heterogeneity. CONCLUSIONS: In summary, our present meta-analysis supports the MTHFR 1298C allele as a risk factor for CHD. However, further studies should be conducted to investigate the correlation of plasma homocysteine levels, enzyme activity, and periconceptional folic acid supplementation with the risk of CHD. PMID- 29202789 TI - Paracetamol clinical dosing routine leads to paracetamol underexposure in an adult severely ill sub-Saharan African hospital population: a drug concentration measurement study. AB - BACKGROUND: Hospitals in sub-Saharan Africa (SSA) continue to receive high numbers of severely ill (HIV-infected) patients with physical pain that may suffer from hepatic and renal dysfunction. Paracetamol is widely used for pain relief in this setting but it is unknown whether therapeutic drug concentrations are attained. The aim of this study was to assess the occurrence of therapeutic, sub-therapeutic and toxic paracetamol concentrations in SSA adult hospital population. METHODS: In a cross-sectional study, plasma paracetamol concentrations were measured in patients with an oral prescription in a referral hospital in Mozambique. From August to November 2015, a maximum of four blood samples were drawn on different time points for paracetamol concentration measurement and biochemical analysis. Study endpoints were the percentage of participants with therapeutic (>= 10 and <= 20 mg/L), sub-therapeutic (< 10 mg/L) and toxic (> 75 mg/L) concentrations. RESULTS: Seventy-six patients with a median age of 37 years, a body mass index of 18.2, a haemoglobin concentration of 10.3 g/dL and an albumin of 29 g/L yielded 225 samples. 13.4% of participants had one or more therapeutic paracetamol concentrations. 86.6% had a sub-therapeutic concentration at all time points and 70.2% had two or more concentrations below the lower limit of quantification. No potentially toxic concentrations were found. CONCLUSIONS: Routine oral dosing practices in a SSA hospital resulted in substantial underexposure to paracetamol. Palliation is likely to be sub-standard and oral palliative drug pharmacokinetics and dispensing procedures in this setting need further investigation. PMID- 29202790 TI - Depression: point-prevalence and risk factors in a North Cyprus household adult cross-sectional study. AB - BACKGROUND: Depression is one of the most common diagnosed psychiatric disorders in the world. Besides individual risk factors, it is also found that environment and socio-cultural factors are the other main risk factors for depression. In this article, the results of the 2016 national household survey of depression in North Cyprus (NC) are presented. The aim of the study is to determine the prevalence and possible risk factors of depression in NC households. METHODS: The study was conducted between April and June 2016, the sample consisting of Turkish speaking individuals between 18 and 88 years of age living permanently in NC. A multi-stage stratified (randomized) quota was used in the survey, and 978 people were selected according to the 2011 census. A 21 item questionnaire prepared by the researchers and a Turkish version of the Beck Depression Inventory scales were used for obtaining data. RESULTS: This cross-sectional study found a point prevalence of 23.4% for relatively high BDI scores (>=17) suggesting clinical depression. Being female, a widow, unemployed, having a limited education and low income level, having a physical illness, living alone, and using illicit substances were defined as possible risk factors for depression. CONCLUSIONS: When we consider the world prevalence, NC has one of the higher depression prevalence. NC has environmental and socio-cultural characteristics such as a history of war, migration and colonization, high unemployment rates, socioeconomic problems, similar to other extremely high prevalence depression countries and regions, which give a strong indication of the importance of socio cultural factors on depression. PMID- 29202791 TI - Factors associated with unwillingness to seek professional help for depression: a web-based survey. AB - OBJECTIVE: Depression is a prevalent disorder that has a substantial impact on not only individuals but also society as a whole. Despite many effective depression interventions, delay in initial treatment contact is problematic. The Internet is a possible tool for low-cost dissemination of appropriate information and awareness raising about depressive disorders among the general public. This study aimed to identify factors associated with unwillingness to seek professional help for depression in Internet users. RESULTS: This web-based cross sectional study surveyed 595 participants who scored over the cutoff point for depression on a self-rated mental-health questionnaire for depression, had never been assessed or treated by a mental health professional, and were experiencing depressive symptoms for at least 6 months. Among the 595 participants, 329 (55.3%) reported they were unwilling to seek professional help for depression. Regression analysis indicated that unwillingness to seek professional help for depression was associated with male sex and financial issues as a depression trigger, and that willingness to seek professional help was associated with problems with interpersonal relationships. The Internet warrants further complementary investigation to elucidate factors associated with unwillingness to seek professional help for depression. PMID- 29202792 TI - The CC chemokine ligand (CCL) 1, upregulated by the viral transactivator Tax, can be downregulated by minocycline: possible implications for long-term treatment of HTLV-1-associated myelopathy/tropical spastic paraparesis. AB - BACKGROUND: Chemokine (C-C motif) ligand 1 (CCL1) is produced by activated monocytes/ macrophages and T-lymphocytes, and acts as a potent attractant for Th2 cells and a subset of T-regulatory (Treg) cells. Previous reports have indicated that CCL1 is overexpressed in adult T-cell leukemia cells, mediating an autocrine anti-apoptotic loop. Because CCL1 is also known as a potent chemoattractant that plays a major role in inflammatory processes, we investigated the role of CCL1 in the pathogenesis of human T-cell leukemia virus type 1 (HTLV-1)-associated myelopathy/tropical spastic paraparesis (HAM/TSP). RESULTS: The results showed that: (1) CCL1 was preferentially expressed in HAM/TSP-derived HTLV-1-infected T cell lines, (2) CCL1 expression was induced along with Tax expression in the Tax inducible T-cell line JPX9, (3) transient Tax expression in an HTLV-1-negative T cell line activated the CCL1 gene promoter, (4) plasma levels of CCL1 were significantly higher in patients with HAM/TSP than in HTLV-1-seronegative patients with multiple sclerosis and HTLV-1-infected asymptomatic healthy carriers, and (5) minocycline inhibited the production of CCL1 in HTLV-1-infected T-cell lines. CONCLUSIONS: The present results suggest that elevated CCL1 levels may be associated with the pathogenesis of HAM/TSP. Although further studies are required to determine the in vivo significance, minocycline may be considered as a potential candidate for the long-term treatment of HAM/TSP via its anti inflammatory effects, which includes the inhibition of CCL1 expression. PMID- 29202793 TI - Androgen receptor CAG repeat polymorphism is not associated with insulin resistance and diabetes among South Asian males. AB - OBJECTIVE: To study relationship between androgen receptor (AR) CAG repeat polymorphism, insulin resistance (IR), beta-cell function and other clinical/biochemical parameters in ethnic South Asian adults. A case (males with diabetes), control (males without diabetes) study, was conducted and 110 males were invited. Anthropometry, blood pressure and biochemical parameters (fasting Insulin, blood sugar, HbA1c and lipid profile) were measured. IR and beta-cell function was calculated. A multiple-linear-regression analysis was performed, using number of AR CAG repeats as the continuous dependent variable. RESULTS: Sample size was 100 (response rate-90.9%, cases-53). Mean age was 49.6 +/- 10.7 years. CAG repeat length did not show any significant correlation with IR or beta cell function. In all males there was a significant correlation between number of AR CAG repeats and systolic blood pressure (r = 0.25; p = 0.016), diastolic blood pressure (r = 0.21; p = 0.045), total cholesterol (r = - 0.22; p = 0.037) and low density lipoprotein cholesterol (r = - 0.22; p = 0.037). Only total cholesterol (beta = - 4.41; p < 0.001) and estrogen (beta = 2.25; p = 0.03) were significantly associated with number of AR CAG repeats in regression analysis. In conclusion, AR CAG repeat length did not show any significant correlation with IR or beta-cell function. Positive association of AR CAG with systolic and diastolic blood pressure and negative association of AR CAG with total and low-density lipoprotein cholesterol deserves further attention. PMID- 29202794 TI - Predictors of poor blood pressure control among Iranian hypertensive patients. AB - OBJECTIVE: The aim of this study is to investigate factors associated with poor blood pressure (BP) control in older hypertensive patients living in Iran. Poorly controlled hypertension was defined as blood pressure greater than or equal to 140/90 mmHg. Multiple logistic regressions were performed to identify factors associated with poor BP control. RESULTS: More than half of the patients (55.1%) had poor control of hypertension. Multivariate logistic regression analysis showed that being over 60 years of age (OR 1.67; 95% CI 1.18-2.37; p = .003), being widowed or divorced (OR 1.56; 95% CI 1.03-2.35; p = .035], smoking (OR 1.78; 95% CI 1.07-2.65; p = .01], BMI > 25 kg/m2 (OR 1.51 95% CI 1.05-2.78), having a waist circumference >= 90 cm (OR 1.7; 95% CI 1.2-2.42; p = .003], the use of calcium channel blockers (OR 2.69; 95% CI 1.26-5.72; p = .01], and the use of angiotensin converting enzyme inhibitors (OR 1.66; 95% CI 1.01-2.72; p = .044] contributed significantly to poor control of hypertension. Making a key BP control screening target (such as age over 60 and waist circumference of 90 cm or more) for cardiovascular specialists and other health care practitioners is needed for elderly patients at risk for poor BP control. PMID- 29202795 TI - Validation of an algorithm that determines stroke diagnostic code accuracy in a Japanese hospital-based cancer registry using electronic medical records. AB - BACKGROUND: This study aimed to validate an algorithm that determines stroke diagnostic code accuracy, in a hospital-based cancer registry, using electronic medical records (EMRs) in Japan. METHODS: The subjects were 27,932 patients enrolled in the hospital-based cancer registry of Osaka University Hospital, between January 1, 2007 and December 31, 2015. The ICD-10 (international classification of diseases, 10th revision) diagnostic codes for stroke were extracted from the EMR database. Specifically, subarachnoid hemorrhage (I60); intracerebral hemorrhage (I61); cerebral infarction (I63); and other transient cerebral ischemic attacks and related syndromes and transient cerebral ischemic attack (unspecified) (G458 and G459), respectively. Diagnostic codes, both "definite" and "suspected," and brain imaging information were extracted from the database. We set the algorithm with the combination of the diagnostic code and/or the brain imaging information, and manually reviewed the presence or absence of the acute cerebrovascular disease with medical charts. RESULTS: A total of 2654 diagnostic codes, 1991 "definite" and 663 "suspected," were identified. After excluding duplicates, the numbers of "definite" and "suspected" diagnostic codes were 912 and 228, respectively. The proportion of the presence of the disease in the "definite" diagnostic code was 22%; this raised 51% with the combination of the diagnostic code and the use of brain imaging information. When adding the interval of when brain imaging was performed (within 30 days and within 1 day) to the diagnostic code, the proportion increased to 84% and 90%, respectively. In the algorithm of "definite" diagnostic code, history of stroke was the most common in the diagnostic code, but in the algorithm of "definite" diagnostic code and the use of brain imaging within 1 day, stroke mimics was the most frequent. CONCLUSIONS: Combining the diagnostic code and clinical examination improved the proportion of the presence of disease in the diagnostic code and achieved appropriate accuracy for research. Clinical research using EMRs require outcome validation prior to conducting a study. PMID- 29202796 TI - Discharge service as a determinant of 30-day readmission in a cohort of maintenance hemodialysis patients: a retrospective cohort study. AB - BACKGROUND: End stage renal disease (ESRD) patients on maintenance hemodialysis, are high utilizers of inpatient services. Because of data showing improved outcomes in medical patients admitted to hospitalist-run, non-teaching services, we hypothesized that discharge from a hospitalist-run, non-teaching service is associated with lower risk of 30-day re-hospitalization in a cohort of patients on hemodialysis. METHODS: One thousand and 84 consecutive patients with ESRD on maintenance hemodialysis who were admitted to Montefiore, a tertiary care center, in 2014 were analyzed using the electronic medical records. We evaluated factors associated with 30-day readmission in multivariable regression models. We then tested the association of care by a hospitalist-run, non-teaching service with 30 day readmission in a propensity score matched analysis. RESULTS: Patients cared for on the hospitalist-run, non-teaching service had lower socio-economic scores (SES) and had longer lengths of stay (LOS), as compared to a standard teaching service, but otherwise the populations were similar. In multivariable testing, severity of illness, (OR 2.40, (95%CI: 1.43-4.03) for highest quartile) number of previous hospitalizations (OR 1.22 (95%CI:1.16-1.28) for each admission), and discharge to a skilled nursing facility (SNF)(OR 1.56 (95%CI:1.01-2.43) were significantly associated with 30-day re-admissions. Care by the non-teaching service was associated with a lower risk of 30-day readmission, even after adjusting for clinical factors and matching based on propensity score (OR 0.65(95%CI:0.46-0.91) and 0.71(95%CI:0.66-0.77) respectively). CONCLUSIONS: Patients with ESRD on hemodialysis discharged from a hospitalist-run, non teaching medicine service had lower odds of readmission as compared to those patients discharged from a standard teaching service. PMID- 29202797 TI - Clinical and economic impact of the introduction of a nucleic acid amplification assay for Clostridium difficile. AB - BACKGROUND: The clinical outcomes and cost implications of a diagnostic shift from an EIA- to PCR-based assay for Clostridium difficile infection (CDI) have not been completely described in the literature. METHODS: The impact of the PCR based assay on the incidence and duration of CDI therapy was compared to the EIA assay for patients with a negative CDI diagnostic result. Secondary clinical and economic outcomes were also evaluated. Independent predictors of receipt of antibiotic therapy were assessed via logistic regression. RESULTS: 141 EIA and 140 PCR patients were included. Significantly more patients were started or continued on anti-CDI antibiotic therapy after a known negative assay result in the EIA group (26 patients vs. 8 patients, P = 0.002). Duration of antibiotic therapy after a known negative result was significantly shorter in the PCR group (1 vs. 4 days, P = 0.029) and a 23% reduction in the number of tests obtained per patient was observed (1.41 +/- 0.86 vs. 1.82 +/- 1.35, P = 0.007). The over fourfold difference in per-test cost of the EIA assay ($8.33 vs. $42.86, P < 0.0001) was offset by the overall medication costs required for the increased treatment in the EIA group ($546.60 vs. $188.96, P = 0.191). Utilization of the EIA-based CDI assay was associated with increased odds of CDI treatment after a negative test (aOR 4.71, 95% CI 1.93-11.46, P = 0.001). CONCLUSION: The transition from an EIA to PCR-based assay for diagnosing CDI resulted in a significant decrease in the number of patients treated and the duration of treatment in response to a negative test result. This significant decrease in treatment resulted in decreased costs offsetting the utilization of a more expensive molecular test for patients with a negative CDI diagnostic result. PMID- 29202798 TI - Intention to vaccinate universally against varicella, rotavirus gastroenteritis, meningococcal B disease and seasonal influenza among parents in the Netherlands: an internet survey. AB - OBJECTIVE: For the decision-making process regarding introduction of new vaccines into the National Immunisation Programme (NIP), advance insight into the potential acceptance among the population is relevant. We studied the intention of parents to have their child vaccinated against four diseases not currently covered by the NIP in the Netherlands. The results on varicella have been published before; this article adds the results on vaccination against rotavirus gastroenteritis, meningococcal B disease, and seasonal influenza. RESULTS: We invited a random sample from the national immunisation register of 1500 parents for an internet survey which was completed by 491 parents (33% response). The intention to vaccinate was highest for meningococcal B disease (83% positive intention), followed by rotavirus gastroenteritis (38%), and lowest for varicella (28%) and seasonal influenza (15%). Prediction analyses were performed to determine which out of seven questionnaire statements was most informative in predicting the intention to vaccinate. Main drivers of intention were the perceived importance of vaccination against the particular disease and the perception of whether or not the disease is severe enough to justify vaccination. The results of this study can be informative in the decision-making process whether or not to introduce new vaccines into the NIP. PMID- 29202799 TI - Routine blood tests and probability of cancer in patients referred with non specific serious symptoms: a cohort study. AB - BACKGROUND: Danish cancer patients have lower survival rates than patients in many other western countries. Half of the patients present with non-alarm symptoms and thus have a long diagnostic pathway. Consequently, an urgent referral pathway for patients with non-specific serious symptoms was implemented throughout Denmark in 2011-2012. As part of the diagnostic workup, a panel of blood tests are performed for all patients referred by their general practitioner (GP) to the urgent referral pathway. In this study, we analysed the probability of being diagnosed with cancer in GP-referred patients with abnormal blood test results. METHOD: We performed a cohort study that included all patients aged 18 years or older referred by their GP to Silkeborg Regional Hospital for analysis of a panel of blood tests. All patients were followed for 3 months for a cancer diagnosis in the Danish Cancer Registry. The likelihood ratio and post-test probability of subsequently finding cancer were calculated in relation to abnormal blood test results. RESULTS: Among the 1499 patients included in the study, 12.2% were subsequently diagnosed with cancer. The probability of cancer increased with the number of abnormal blood tests. Patients with specific combinations of two abnormal blood tests had a 23-62% probability of cancer. Only a few single abnormal blood tests were linked with a high post-test probability of cancer, and most abnormalities were not specific to cancer. CONCLUSIONS: A number of specific abnormal blood tests and combinations of abnormal blood tests markedly increased the probability of cancer being diagnosed. Still, abnormal blood test results should be interpreted cautiously as most are non-specific to cancer. Thus, results from the blood test panel may strengthen the suspicion of cancer, but blood tests cannot be used as a stand-alone tool to rule out cancer. PMID- 29202801 TI - Applying quantitative bias analysis to estimate the plausible effects of selection bias in a cluster randomised controlled trial: secondary analysis of the Primary care Osteoarthritis Screening Trial (POST). AB - BACKGROUND: Selection bias is a concern when designing cluster randomised controlled trials (c-RCT). Despite addressing potential issues at the design stage, bias cannot always be eradicated from a trial design. The application of bias analysis presents an important step forward in evaluating whether trial findings are credible. The aim of this paper is to give an example of the technique to quantify potential selection bias in c-RCTs. METHODS: This analysis uses data from the Primary care Osteoarthritis Screening Trial (POST). The primary aim of this trial was to test whether screening for anxiety and depression, and providing appropriate care for patients consulting their GP with osteoarthritis would improve clinical outcomes. Quantitative bias analysis is a seldom-used technique that can quantify types of bias present in studies. Due to lack of information on the selection probability, probabilistic bias analysis with a range of triangular distributions was also used, applied at all three follow-up time points; 3, 6, and 12 months post consultation. A simple bias analysis was also applied to the study. RESULTS: Worse pain outcomes were observed among intervention participants than control participants (crude odds ratio at 3, 6, and 12 months: 1.30 (95% CI 1.01, 1.67), 1.39 (1.07, 1.80), and 1.17 (95% CI 0.90, 1.53), respectively). Probabilistic bias analysis suggested that the observed effect became statistically non-significant if the selection probability ratio was between 1.2 and 1.4. Selection probability ratios of > 1.8 were needed to mask a statistically significant benefit of the intervention. CONCLUSIONS: The use of probabilistic bias analysis in this c-RCT suggested that worse outcomes observed in the intervention arm could plausibly be attributed to selection bias. A very large degree of selection of bias was needed to mask a beneficial effect of intervention making this interpretation less plausible. PMID- 29202800 TI - Genistein induces apoptosis of colon cancer cells by reversal of epithelial-to mesenchymal via a Notch1/NF-kappaB/slug/E-cadherin pathway. AB - BACKGROUND: Genistein has been known to inhibit proliferation and induce apoptosis in several kinds of cancer cells. While knowledge of genistein in regulating epithelial mesenchymal transition (EMT) of colon cancer cells is unknown. METHODS: To investigate the effects and mechanisms of genistein on EMT of colon cancer cells, HT-29 cells were used and treated by genistein and TNF alpha in this paper. EMT was determined by cell invasion assays using a transwell chamber and the expression changes of EMT-related markers were confirmed by RT PCR, Western blotting, and immunofluorescence staining. RESULTS: Genistein inhibited cell migration at 200 MUmol/L. Genistein reversed the EMT of colon cancer cells by upregulation of E-cadherin and downregulation of N-cadherin, accompanied by the suppression of EMT related makers, such as Snail2/slug, ZEB1, ZEB2, FOXC1, FOXC2 and TWIST1. Moreover, genistein can inhibit the expression of notch-1, p-NF-kappaB and NF-kappaB, while promote the expression of Bax/Bcl-2 and caspase-3 in HT-29 cells. CONCLUSION: The present study demonstrated that genistein suppressed the migration of colon cancer cells by reversal the EMT via suppressing the Notch1/NF-kappaB/slug/E-cadherin pathway. Genistein may be developed as a potential antimetastasis agent to colon cancer. PMID- 29202802 TI - Histopathology, microbiology and the inflammatory process associated with Sarcoptes scabiei infection in the Iberian ibex, Capra pyrenaica. AB - BACKGROUND: Sarcoptic mange has been identified as the most significant infectious disease affecting the Iberian ibex (Capra pyrenaica). Despite several studies on the effects of mange on ibex, the pathological and clinical picture derived from sarcoptic mange infestation is still poorly understood. To further knowledge of sarcoptic mange pathology, samples from ibex were evaluated from histological, microbiological and serological perspectives. METHODS: Samples of skin, non-dermal tissues and blood were collected from 54 ibex (25 experimentally infected, 15 naturally infected and 14 healthy). Skin biopsies were examined at different stages of the disease for quantitative cellular, structural and vascular changes. Sixteen different non-dermal tissues of each ibex were taken for histological study. Acetylcholinesterase and serum amyloid A protein levels were evaluated from blood samples from ibex with different lesional grade. Samples of mangy skin, suppurative lesions and internal organs were characterized microbiologically by culture. Bacterial colonies were identified by a desorption/ionization time-of-flight mass spectrometry system (MALDI TOF/TOF). RESULTS: The histological study of the skin lesions revealed serious acanthosis, hyperkeratosis, rete ridges, spongiotic oedema, serocellular and eosinophilic crusts, exocytosis foci, apoptotic cells and sebaceous gland hyperplasia. The cellular response in the dermis was consistent with type I and type IV hypersensitivity responses. The most prominent histological findings in non dermal tissues were lymphoid hyperplasia, leukocytosis, congestion and the presence of amyloid deposits. The increase in serum concentrations of acetylcholinesterase and amyloid A protein correlated positively with the establishment of the inflammatory response in mangy skin and the presence of systemic amyloidosis. A wide variety of bacterial agents were isolated and the simultaneous presence of these in mangy skin, lymph nodes and internal organs such as lungs, liver, spleen and kidney was compatible with a septicaemic pattern of infection. CONCLUSIONS: The alteration of biomarkers of inflammation and its implication in the pathogenesis of the disease and development of lesions in non dermal tissues and septicaemic processes are serious conditioners for the survival of the mangy ibex. This severe clinical picture could be an important factor when considering the decision to eliminate animals that exceed a certain disease threshold from a population. PMID- 29202803 TI - Emerging mechanisms and novel targets in allergic inflammation and asthma. AB - Airway inflammation is key to the severity and persistence of asthma. Recent studies have revealed novel immune mechanisms that target dendritic cells, T helper 2 cytokines, regulatory T cells, and type 2 innate lymphoid cells in allergic inflammation, as well as novel approaches that target airway smooth muscle in asthma. These advances inform the development of new targeted treatments for allergic inflammation and asthma with the potential to provide therapeutic benefit. PMID- 29202804 TI - Prevalence and determinants of differences in cystatin C and creatinine-based estimated glomerular filtration rate in community-dwelling older adults: a cross sectional study. AB - BACKGROUND: Differences in cystatin C and creatinine-based estimated glomerular filtration rate (eGFR) can lead to clinical uncertainty. Existing eGFR equations perform poorly in a subset of individuals. This study aims to describe the prevalence of differences between cystatin C-based (eGFRcys) and creatinine-based (eGFRcreat) eGFR in older adults and to explore which subsets of individuals may be most affected by differing estimations. METHODS: In this cross-sectional study, participants from a cohort of community-dwelling older adults were examined at a baseline visit in 2001-2004 as part of the larger "Good Aging in Skane" study. Exposure variables were obtained from questionnaires, interviews, examinations, and medical records. Blood samples were taken during the baseline visit, cryopreserved, and analyzed at a later time for biomarkers. The CKD-EPI equations were used to estimate GFR. Initial descriptive analyses were performed on 2931 individuals. A total of 2532 participants were included in the final multiple linear regression. RESULTS: Nearly two-thirds of participants had eGFR differences exceeding 10%, with nearly 20 % of participants having eGFR differences exceeding 30%. Smoking, age, body mass index (BMI), C-reactive protein (CRP), glucocorticoid use, and mean eGFR were correlated with differences between eGFRcreat and eGFRcys. CONCLUSIONS: Differences between eGFRcreat and eGFRcys are common and often of large magnitude in this community-dwelling population of older adults. The finding of multiple non-GFR determinants correlated to differences in GFR estimations can help direct future research to improve eGFR equations for subgroups prone to conflicting GFR estimations or to guide choice of biomarker for GFR estimation in these subgroups. PMID- 29202805 TI - Clinical significance of PCDH10 promoter methylation in diffuse large B-cell lymphoma. AB - BACKGROUND: PCDH10, one of the non-clustered protocadherins, is identified as a tumor suppressor gene in many tumors. Recently, promoter methylation of PCDH10 was found in diffuse large B-cell lymphoma (DLBCL) but not in normal lymph nodes, suggesting that its epigenetic aberrance is essential to the lymphomagenesis. However, there are few studies on the clinicopathological relevance and prognostic significance of PCDH10 methylation status in DLBCL. METHODS: One hundred-seven cases of DLBCL between Jan 2009 and Jul 2010 were selected to extract genomic DNA and perform bisulfite modification. Their methylation status of PCDH10 promoter were accessed by methylation-specific PCR (MSP) with methylated and unmethylated primers. Analysis of overall survival and clinicopathological correlation were conducted. RESULTS: PCDH10 hypermethylation were found in 54.2% (58/107) of DLBCL cases, but only 12.5% (1/8) in reactive lymph node/follicular hyperplasia. In RCHOP-treated cohort, promoter methylation of PCDH10 is an independent prognostic indicator of worse overall survival (p = 0.017; HR 4.045; 95%CI 1.287-12.711) and worse progress-free survival (p = 0.014; HR 2.977; 95%CI 1.245-7.119). Whereas, PCDH10 hypermethylation wasn't correlated with MYC translocation and cell of origin classification using Hans model. CONCLUSIONS: PCDH10 methylation status could serve as a valuable biomarker for risk classification, and a potential therapeutic target for demethylating drugs in DLBCL in the future. PMID- 29202806 TI - Risk factors for joint replacement in knee osteoarthritis; a 15-year follow-up study. AB - BACKGROUND: To evaluate whether clinical, radiographic or MRI findings are associated with long term risk for total knee arthroplasty (TKA) in persons with knee osteoarthritis. METHODS: We performed a follow-up analysis of 100 persons with knee osteoarthritis who participated in a clinical trial between 2000 and 2002. Clinical data as well as radiography and MRI of the inclusion knee were obtained in all participants. Data on TKA procedures were extracted from The Danish National Patient Register. Clinical, radiographic and MRI findings were analyzed for associations with subsequent TKA. RESULTS: During a mean follow-up period of 15 years, 66% received a TKA in the included knee (target knee); 37% also received a TKA in the other knee. The degree of joint space narrowing was highly associated with subsequent TKA (adjusted odds ratio (OR) 5.0 (95% confidence interval (95% CI) 2.6 - 9.9)) as was a radiological sum score comprising joint space narrowing, osteophytes, subchondral sclerosis and cysts (adjusted OR 1.7 (95% CI 1.3 - 2.1)). MRI detected bone marrow lesions, synovitis and effusion were similarly associated with subsequent TKA with an adjusted OR of 2.3 (95% CI 1.3 - 4.0), 2.8 (95% CI 1.5 - 5.2) and 1.9 (95% CI 1.2 - 3.1), respectively. Increased body mass index (BMI) was not associated with subsequent TKA in the target knee but was associated with TKA in the other knee (OR 2.3 (95% CI 1.2 - 4.3). CONCLUSIONS: Radiographic findings including joint space narrowing and MRI detected bone marrow lesions, synovitis and effusion were all significantly associated with the long term risk of TKA in persons with knee osteoarthritis. PMID- 29202807 TI - Granatum: a graphical single-cell RNA-Seq analysis pipeline for genomics scientists. AB - BACKGROUND: Single-cell RNA sequencing (scRNA-Seq) is an increasingly popular platform to study heterogeneity at the single-cell level. Computational methods to process scRNA-Seq data are not very accessible to bench scientists as they require a significant amount of bioinformatic skills. RESULTS: We have developed Granatum, a web-based scRNA-Seq analysis pipeline to make analysis more broadly accessible to researchers. Without a single line of programming code, users can click through the pipeline, setting parameters and visualizing results via the interactive graphical interface. Granatum conveniently walks users through various steps of scRNA-Seq analysis. It has a comprehensive list of modules, including plate merging and batch-effect removal, outlier-sample removal, gene expression normalization, imputation, gene filtering, cell clustering, differential gene expression analysis, pathway/ontology enrichment analysis, protein network interaction visualization, and pseudo-time cell series construction. CONCLUSIONS: Granatum enables broad adoption of scRNA-Seq technology by empowering bench scientists with an easy-to-use graphical interface for scRNA-Seq data analysis. The package is freely available for research use at http://garmiregroup.org/granatum/app. PMID- 29202808 TI - Group cognitive behavioural therapy with compassion training for depression in a Japanese community: a single-group feasibility study. AB - OBJECTIVE: Depression is a representative mental problem, and more than 350 million people are suffering in the world. Cognitive behavioural therapy (CBT) in individual or group formats is mainly recommended in major guidelines. However, patients with high self-criticism have a poor response to CBT. To treat such patients, psychotherapies focusing on compassion are gaining attention. Although trials have begun to be reported, there are relatively few studies examining the effectiveness of group CBT with compassion work for managing depression. The purpose of this study was to evaluate the feasibility and acceptability and the estimate effect size of group CBT with compassion training for future controlled studies. RESULTS: Fourteen participants were enrolled in the trial, of which 13 completed the intervention, and 12 completed a 6-month follow-up assessment. Participants received a 1 h group-based CBT with compassion training session every week for 10 weeks. The effect of the intervention on participants' Beck Depression Inventory score was examined using a general linear mixed model. This analysis showed an effect size of d = 1.12 at post intervention and d = 0.92 at 6 month follow-up. Group cognitive behavioural therapy with compassion training for depression shows feasibility and acceptability in a Japanese community. Trial Registration UMIN000015007. PMID- 29202809 TI - Five years' follow-up of dental fear and anxiety, experience of dental care and oral health behaviour in Swedish preterm and full-term adolescents. AB - BACKGROUND: There is rising concern about how preterm birth affects long-term health later in life. The various effects that preterm birth have on developmental outcomes, cognitive profiles and medical health may also affect levels of cooperation in the dental care situation in addition to general oral health and other oral health-related habits. Oral health is an integral part of one's general health and well-being; however, less is known about how prematurity affects oral health and other related areas such as dental care, and including dental fear and anxiety (DFA) in individuals during adolescence and adulthood. This is considered of special interest to study, as preterm children during the preschool and school period were reported to have behavioural problems during dental treatments and less than favourable oral hygiene. METHODS: A questionnaire was used of self-report design and structured into behavioural aspects relating to dental treatment, oral health-related factors, and medical health. This questionnaire at 17-19 years of age was a follow-up from 12 to 14 years of age and considered a predictor for planning future dental care for this group of patients. The 145 participating adolescents were all preterm, born between 23 and 32 weeks of gestation and 140 full-term controls, born >=37 weeks of gestation. RESULTS: Dental fear and anxiety, oral health behaviour, and intake of sweets and sugary drinks of 17-19-year old adolescents born preterm was comparable to that of the full-term control group. Medical health problems as well as the intake of sweets and sugary drinks increased from the time of early adolescence to late adolescence in both groups. CONCLUSIONS: Preterm as well as full-term adolescents between 17 and 19 years of age are satisfied with their dental care and display low prevalence of dental fear and anxiety (DFA). The findings in this study indicate that adolescents born very preterm and extremely preterm are well prepared for transition to dental care in adult life with expectations of being able to take responsibility for their oral health. PMID- 29202810 TI - Trajectories of body mass index among Canadian seniors and associated mortality risk. AB - BACKGROUND: This study aims to characterize the heterogeneity in BMI trajectories and evaluate how different BMI trajectories predict mortality risk in Canadian seniors. METHODS: Data came from the Canadian National Population Health Survey (NPHS, 1994-2011) and 1480 individuals aged 65-79 years with at least four BMI records were included in this study. Group-based trajectory model was used to identify distinct subgroups of longitudinal trajectories of BMI measured over 19 years for men and women. Cox proportional hazards models were used to examine the association between BMI trajectories and mortality risks. RESULTS: Distinct trajectory patterns were found for men and women: 'Normal Weight-Down'(N-D), 'Overweight-Normal weight' (OV-N), 'Obese I-Down' (OB I-D), and 'Obese II- Down' (OB II-D) for women; and 'Normal Weight-Down' (N-D), 'Overweight-Normal weight' (OV-N), 'Overweight-Stable' (OV-S), and 'Obese-Stable' (OB-S) for men. Comparing with OV-N, men in the OV-S group had the lowest mortality risk followed by the N D (HR = 1.66) and OB-S (HR = 1.98) groups, after adjusting for covariates. Compared with OV-N, women in the OB II-D group with three or more chronic health conditions had higher mortality risk (HR = 1.61); however, women in OB II-D had lower risk (HR = 0.56) if they had less than three conditions. CONCLUSION: The course of BMI over time in Canadian seniors appears to follow one of four different patterns depending on gender. The findings suggest that men who were overweight at age 65 and lost weight over time had the lowest mortality risk. Interestingly, obese women with decreasing BMI have different mortality risks, depending on their chronic health conditions. The findings provide new insights concerning the associations between BMI and mortality risk. PMID- 29202811 TI - High prevalence of prescription of psychotropic drugs for older patients in a general hospital. AB - BACKGROUND: Many elderly patients receive psychotropic drugs. Treatment with psychotropic agents is associated with serious side effects including an increased risk of falls and fractures. Several psychotropic drugs are considered potentially inappropriate for treatment of the elderly. METHODS: A retrospective chart review was conducted covering all patients aged >= 65 years who were admitted to Evangelisches Krankenhaus Gottingen-Weende between 01/01/2013 and 03/31/2013. Psychotropic drugs reviewed for included benzodiazepines, Z-drugs, antidepressants and neuroleptics, but not drugs for sedation during artificial ventilation or pre-medication before surgery. Potentially inappropriate drugs were identified according to the PRISCUS list. To assess which factors were associated with the administration of psychotropic drugs, univariate and multivariable logistic regression analyses were performed. RESULTS: The charts of 2130 patients (1231 women) were analyzed. 53.9% of all patients received at least one psychotropic medication (29.5% benzodiazepines, 12.6% Z-drugs, 22.2% antidepressants, 11.9% neuroleptics). The mean number of psychotropic drugs prescribed per patient with at least one prescription was 1.6. Patients treated in the geriatric department most often received antidepressants (45.0%), neuroleptics (20.6%) and Z-drugs (27.5%). Benzodiazepines and Z-drugs were prescribed mostly as medication on demand (77.7% of benzodiazepines, 73.9% of Z drugs). Surgical patients most frequently received benzodiazepines (37.1%). Nearly one-third of all patients >= 65 years was treated with at least one potentially inappropriate psychotropic medication. The mean number of potentially inappropriate psychotropic medications per patient with at least one psychotropic prescription was 0.69. The percentage of patients with potentially inappropriate psychotropic medication was highest in the surgical departments (74.1%). Female gender (adjusted OR 1.36; 95% CI 1.14 to 1.63), stay in the Department of Geriatrics (2.69; 2.01 to 3.60) or the interdisciplinary intensive care unit (1.87; 1.33 to 2.64) and age >= 85 years (1.33; 1.10 to 1.60) were associated with psychotropic drug treatment. CONCLUSIONS: A high percentage of patients aged >= 65 years received psychotropic drugs. The chance that a potentially inappropriate psychotropic drug would be administered was highest in the surgical departments. Antidepressants, neuroleptics and Z-drugs were used surprisingly often in geriatric medicine. Educational strategies could reduce the use of psychotropic drugs and the prescription of potentially inappropriate medications. PMID- 29202812 TI - Celastrol improves self-renewal and differentiation of human tendon-derived stem cells by suppressing Smad7 through hypoxia. AB - BACKGROUND: We aimed to evaluate the potential enhancing effect of celastrol on the stemness of human tendon-derived stem cells (hTSCs) in vitro and the underlying molecular mechanisms. METHODS: The capability of hTSC self-renewal was assessed by cell proliferation and colony formation as determined with the CCK-8 kit. Adipogenesis, chondrogenesis, and osteogenesis were determined by Oil Red O, Alcian Blue, and Alizarin Red staining, respectively. The relative mRNA levels of Sox9, PPARgamma, Runx2, Smad7, and HIF1alpha were determined by real-time polymerase chain reaction (PCR). The levels of Smad7 and HIF1alpha protein were measured by immunoblotting. The chromatin immunoprecipitation (ChIP) assay was used to assess the direct binding of HIF1alpha to the Smad7 promoter. Suppression of Smad7 induced by hypoxia was examined using the luciferase reporter assay. RESULTS: We found that treatment with celastrol resulted in improvement in both the multi-differentiation potential and self-renewal capability of hTSCs. Celastrol elicited hypoxia and subsequently suppressed the expression of Smad7 through direct association with the hypoxia response element consensus sequence. Further, we demonstrated that both Smad7 and HIF1alpha were involved in the beneficial effects of celastrol on the differentiation and self-renewal of hTSCs. CONCLUSIONS: We demonstrated the positive effect of celastrol on the stemness of hTSCs and elucidated the essential role of the HIF1alpha-Smad7 pathway in this process. PMID- 29202813 TI - A predominance of hypertensive heart disease among patients with cardiac disease in Buea, a semi-urban setting, South West Region of Cameroon. AB - OBJECTIVE: The pattern of heart disease is diverse within and among world regions. The little data on the spectrum of heart disease in Cameroon has been so far limited to major cities. We sought to describe the pattern of heart disease in Buea, the South West Region of Cameroon, a semi-urban setting. This was a descriptive cross-sectional study. Between June 2016 and April 2017 the echocardiography register of the Buea Regional Hospital was surveyed. We extracted data on the age, sex and echocardiographic diagnosis. RESULTS: Out of 529 patients who underwent echocardiography, 239 (45.2%) had a definite heart disease. There were 137 (57.3%) females. The mean age was 58 years (range 3-94 years). The most common echocardiographic diagnoses were hypertensive heart disease (43.2%), dilated cardiomyopathies (17.6%), ischemic heart diseases (9.6%), and cor pulmonale (8.8%). Rheumatic heart disease affected 6.7% of the patients. The most common rheumatic heart disease was mitral stenosis followed by mitral regurgitation. Congenital heart disease represented 2.1% and 5 patients (2.1%) had pulmonary hypertension. Hypertensive heart disease is the most common cardiac disease in this semi-urban region in Cameroon. Rheumatic heart disease still affects a sizable proportion of patients. Prevention of cardiac disease in our setting should focus on mass screening, the treatment and control of hypertension. PMID- 29202814 TI - Occurrence of spontaneous bilateral tubal pregnancy in a low-income setting in rural Cameroon: a case report. AB - BACKGROUND: Ectopic pregnancy is a life-threatening emergency warranting immediate recognition and prompt intervention. Bilateral tubal pregnancy is the rarest form of ectopic pregnancy with very limited data on its occurrence reported in sub-Saharan Africa. CASE PRESENTATION: We report the case of a 40 year-old multigravida with chief complains of lower abdominal pain evolving for 5 days in whom an intraoperative diagnosis of spontaneous bilateral tubal pregnancy (plus ruptured right tube) was made. CONCLUSIONS: Ectopic pregnancy is one of the major causes of maternal mortality in sub-Saharan Africa. Thus, clinicians should maintain a high index of suspicion, even in the absence of hallmark features and thorough clinical examination undertaken especially in resource-limited settings. Examination of both tubes at laparotomy for ectopic pregnancy should be routine and mandatory. PMID- 29202815 TI - Normothermia after decompressive surgery for space-occupying middle cerebral artery infarction: a protocol-based approach. AB - BACKGROUND: Moderate hypothermia after decompressive surgery might not be beneficial for stroke patients. However, normothermia may prove to be an effective method of enhancing neurological outcomes. The study aims were to evaluate the application of a pre-specified normothermia protocol in stroke patients after decompressive surgery and its impact on temperature load, and to describe the functional outcome of patients at 12 months after treatment. METHODS: We analysed patients with space-occupying middle cerebral artery (MCA) infarction treated with decompressive surgery and a pre-specified temperature management protocol. Patients treated primarily with device-controlled normothermia or hypothermia were excluded. The individual temperature load above 36.5 degrees C was calculated for the first 96 h after hemicraniectomy as the Area Under the Curve, using degrees C x hours. The effect of temperature load on functional outcome at 12 months was analysed by logistic regression. RESULTS: We included 40 stroke patients treated with decompressive surgery (mean [SD] age: 58.9 [10.1] years; mean [SD] time to surgery: 30.5 [16.7] hours). Fever (temperature > 37.5 degrees C) developed in 26 patients during the first 96 h after surgery and mean (SD) temperature load above 36.5 degrees C in this time period was 62,3 (+/- 47,6) degrees C*hours. At one year after stroke onset, a moderate to moderately severe disability (modified Rankin Scale score of 3 or 4) was observed in 32% of patients, and a severe disability (score of 5) in 37% of patients, respectively. The lethality in the cohort at 12 months was 32%. The temperature load during the first 96 h was not an independent predictor for 12 month lethality (OR 0.986 [95%-CI:0.967-1.002]; p < 0.12). CONCLUSIONS: Temperature control in surgically treated patients with space-occupying MCA infarction using a pre-specified protocol excluding temperature management systems resulted in mild hyperthermia between 36.8 degrees C and 37.2 degrees C and a low overall temperature load. Future prospective studies on larger cohorts comparing different strategies for normothermia treatment including temperature management devices are needed. PMID- 29202816 TI - The treatment of migraine patients within chiropractic: analysis of a nationally representative survey of 1869 chiropractors. AB - BACKGROUND: While the clinical role of manual therapies in migraine management is unclear, the use of chiropractors for this condition is considerable. The aim of this study is to evaluate the prevalence and characteristics of chiropractors who frequently manage patients with migraine. METHODS: A national cross-sectional survey of chiropractors collected information on practitioner characteristics, clinical management characteristics and practice settings. A secondary analysis was conducted on 1869 respondents who reported on their migraine caseload to determine the predictors associated with the frequent management of patients with migraine. RESULTS: A large proportion of chiropractors report having a high migraine caseload (HMC) (n = 990; 53.0%). The strongest factors predicting a chiropractor having a HMC include the frequent treatment of patients with axial neck pain (OR = 2.89; 95%CI: 1.18, 7.07), thoracic pain (referred/radicular) (OR = 2.52; 95%CI: 1.58, 3.21) and non-musculoskeletal disorders (OR = 3.06; 95%CI: 2.13, 4.39). CONCLUSIONS: Several practice-setting and clinical management characteristics are associated with chiropractors managing a HMC. These findings raise key questions about the therapeutic approach to chiropractic migraine management that deserves further examination. There is a need for more primary research to assess the approach to headache and migraine management provided by chiropractors and to understand the prevalence, burden and comorbidities associated with migraine found within chiropractic patient populations. This information is vital in helping to inform safe, effective and coordinated care for migraine sufferers within the wider health system. PMID- 29202817 TI - Use of cardiovascular magnetic resonance in the evaluation of a giant right atrial appendage aneurysm: a case report and review of the literature. AB - BACKGROUND: Right atrial appendage aneurysms are rare entities that may have significant clinical consequences. When co-existing with atrial fibrillation, patients are at risk of developing pulmonary or paradoxical systemic emboli. CASE PRESENTATION: An elderly patient presented to medical attention with symptoms of acute diverticulitis. On abdominal computed tomography, a massively enlarged right atrial appendage aneurysm was discovered incidentally. The aneurysm caused marked compression of the right ventricle and contained an area of hypoenhancement concerning for an intraluminal thrombus. Gadolinium-enhanced cardiovascular magnetic resonance was performed and first-pass perfusion images demonstrated that the area of hypoenhancement was in fact poorly mixing blood. The patient was therefore managed medically. CONCLUSION: Right atrial appendage aneurysms are infrequently encountered cardiac abnormalities. In the literature, surgery has been offered to patients who are young, symptomatic, or have evidence of thrombotic disease, although whether this practice pattern is associated with superior clinical outcomes is unclear. In the present case, gadolinium-enhanced cardiovascular magnetic resonance imaging was used to exclude the presence of intraluminal thrombus in an elderly patient, which helped orient the patient's treating team towards medical-rather than surgical-therapy. PMID- 29202818 TI - The development of a nursing subset of patient problems to support interoperability. AB - BACKGROUND: Since the emergence of electronic health records, nursing information is increasingly being recorded and stored digitally. Several studies have shown that a wide range of nursing information is not interoperable and cannot be re used in different health contexts. Difficulties arise when nurses share information with others involved in the delivery of nursing care. The aim of this study is to develop a nursing subset of patient problems that are prevalent in nursing practice, based on the SNOMED CT terminology to assist in the exchange and comparability of nursing information. METHODS: Explorative qualitative focus groups were used to collect data. Mixed focus groups were defined. Additionally, a nursing researcher and a nursing expert with knowledge of terminologies and a terminologist participated in each focus group. The participants, who work in a range of practical contexts, discussed and reviewed patient problems from various perspectives. RESULTS: Sixty-seven participants divided over seven focus groups selected and defined 119 patient problems. Each patient problem could be documented and coded with a current status or an at-risk status. Sixty-six percent of the patient problems included are covered by the definitions established by the International Classification of Nursing Practice, the reference terminology for nursing practice. For the remainder, definitions from either an official national guideline or a classification were used. Each of the 119 patient problems has a unique SNOMED CT identifier. CONCLUSIONS: To support the interoperability of nursing information, a national nursing subset of patient problems based on a terminology (SNOMED CT) has been developed. Using unambiguously defined patient problems is beneficial for clinical nursing practice, because nurses can then compare and exchange information from different settings. A key strength of this study is that nurses were extensively involved in the development process. Further research is required to link or associate nursing patient problems to concepts from a nursing classification with the same meaning. PMID- 29202819 TI - Guidance by physicians and pharmacists during antidepressant therapy: patients' needs and suggestions for improvement. AB - BACKGROUND: Guidance of patients treated with antidepressants is paramount for successful therapy. The aim was to assess patients' needs and suggestions for improvement of guidance by physicians and pharmacists during second generation antidepressant (SGA) therapy. METHODS: Five focus group discussions were held with a total of 34 patients using an SGA. The discussions were conducted flexibly and responsively using a semi-structured topic list. All focus group discussions were video-recorded and transcripts were analyzed using ATLAS.ti for coding, thematic and open analysis. RESULTS: Participants stated they were in need of better guidance. They suggested improving content of information during decisional moments, patient-health care professional communication and communication between health care professionals, and finally, organization of guidance. Barriers to achieving improved guidance were cited. CONCLUSIONS: Content, communication and organization of guidance are pivotal for achieving optimal guidance. Participants mentioned their current experienced guidance had limitations and brought up solutions for improvement. A next step would be to discuss the suggested solutions with health care professionals to assess their views and to discuss the possibility for implementation. After implementation, future studies could be aimed at determination of its impact on patients' treatment efficacy, quality of life, treatment satisfaction and healthcare costs. PMID- 29202820 TI - Hand-assisted laparoscopic surgery versus laparoscopic right colectomy: a meta analysis. AB - OBJECTIVE: The objective of this study is to systematically assess the clinical efficacy of hand-assisted laparoscopic surgery (HALS) and laparoscopic right colectomy (LRC). METHODS: The randomized controlled trials (RCTs) and non-RCTs were collected by searching electronic databases (Pubmed, Embase, and the Cochrane Library). The outcomes included intraoperative outcomes, postoperative outcomes, postoperative morbidity, and oncologic outcomes. Meta-analysis was performed using of RevMan 5.3 software. RESULTS: A total of five studies involving 438 patients were finally included, with 202 cases in HALS group and 236 cases in LRC group. Results of meta-analysis showed that there was no statistical difference between HALS and LRC in terms of conversion rate, length of hospital stay, reoperation rate, postoperative morbidity, and oncologic outcomes. The operative time was 6.5 min shorter in HALS group; however, it was not a clinically significant difference. Although the incision length was longer in HALS, it did not influence the postoperative recovery. CONCLUSIONS: HALS can be considered an alternative to LRC which combines the advantages of open as well as laparoscopic surgery. PMID- 29202821 TI - Effects of treatment changes on asthma phenotype prevalence and airway neutrophil function. AB - BACKGROUND: Asthma inflammatory phenotypes are often defined by relative cell counts of airway eosinophils/neutrophils. However, the importance of neutrophilia remains unclear, as does the effect of ICS treatment on asthma phenotypes and airway neutrophil function. The purpose of this study was to assess asthma phenotype prevalence/characteristics in a community setting, and, in a nested preliminary study, determine how treatment changes affect phenotype stability and inflammation, with particular focus on airway neutrophils. METHODS: Fifty adult asthmatics and 39 non-asthmatics were assessed using questionnaires, skin prick tests, spirometry, exhaled nitric oxide (FENO) measurement, and sputum induction. Twenty-one asthmatics underwent further assessment following treatment optimisation (n = 11) or sub-optimisation (n = 10). RESULTS: Forty percent (20/50) had eosinophilic asthma (EA) and 8% had neutrophilic asthma. EA was associated with increased FENO, bronchodilator reversibility (BDR) and reduced lung function (p < 0.05). Following optimisation/sub-optimisation, the EA/NEA (non-eosinophilic asthma) phenotype changed in 11/21 (52%) asthmatics. In particular, fewer subjects had EA post treatment optimisation, but this was not statistically significant. However, a significant (p < 0.05) reduction in FENO, ACQ7 score, and BDR was observed after treatment optimisation, as well as an increase in FEV1-% predicted (p < 0.05). It was also associated with reduced eosinophils (p < 0.05) and enhanced neutrophil phagocytosis (p < 0.05) in EA only, and enhanced neutrophil oxidative burst in both EA and NEA (p < 0.05). CONCLUSIONS: In this community based population, non-eosinophilic asthma was common, less severe than EA, and at baseline most asthmatics showed no evidence of inflammation. In the nested change in treatment study, treatment optimisation was associated with reduced sputum eosinophils, improved symptoms and lung function, and enhanced neutrophil function, but a significant reduction in EA could not be demonstrated. TRIAL REGISTRATION: The nested change in treatment component of this study is registered at the Australia and New Zealand Clinical Trial Registry ( www.ANZCTR.org.au ) ACTRN12617001356358 . Registration date 27/09/2017. Retrospectively registered. PMID- 29202822 TI - The p75NTR-mediated effect of nerve growth factor in L6C5 myogenic cells. AB - OBJECTIVE: During muscle development or regeneration, myocytes produce nerve growth factor (NGF) as well as its tyrosine-kinase and p75-neurotrophin (p75NTR) receptors. It has been published that the p75NTR receptor could represent a key regulator of NGF-mediated myoprotective effect on satellite cells, but the precise function of NGF/p75 signaling pathway on myogenic cell proliferation, survival and differentiation remains fragmented and controversial. Here, we verified the role of NGF in the growth, survival and differentiation of p75NTR expressing L6C5 myogenic cells, specifically inquiring for the putative involvement of the nuclear factor kappaB (NFkappaB) and the small heat shock proteins (sHSPs) alphaB-crystallin and Hsp27 in these processes. RESULTS: Although NGF was not effective in modulating myogenic cell growth or survival in both standard or stress conditions, we demonstrated for the first time that, under serum deprivation, NGF sustained the activity of some key enzymes involved in energy metabolism. Moreover, we confirmed that NGF promotes myogenic fusion and expression of the structural protein myosin heavy chain while modulating NFkappaB activation and the content of sHSPs correlated with the differentiation process. We conclude that p75NTR is sufficient to mediate the modulation of L6C5 myogenic differentiation by NGF in term of structural, metabolic and functional changes. PMID- 29202823 TI - Trastuzumab emtansine delays and overcomes resistance to the third-generation EGFR-TKI osimertinib in NSCLC EGFR mutated cell lines. AB - BACKGROUND: Osimertinib is a third-generation EGFR-TKI with a high selective potency against T790M-mutant NSCLC patients. Considering that osimertinib can lead to enhanced HER-2 expression on cell surface and HER-2 overexpression is a mechanism of resistance to osimertinib, this study was addressed to investigate the potential of combining osimertinib with trastuzumab emtansine (T-DM1) in order to improve the efficacy of osimertinib and delay or overcome resistance in NSCLC cell lines with EGFR activating mutation and with T790M mutation or HER-2 amplification. METHODS: The effects of osimertinib combined with T-DM1 on cell proliferation, cell cycle, cell death, antibody-dependent cell-mediated cytotoxicity (ADCC), and acquisition of osimertinib resistance was investigated in PC9, PC9-T790M and H1975 cell lines. The potential of overcoming osimertinib resistance with T-DM1 was tested in a PC9/HER2c1 xenograft model. RESULTS: T-DM1 exerted an additive effect when combined with osimertinib in terms of inhibition of cell proliferation, cell death and ADCC induction in PC9, PC9-T790M and H1975 cell lines. Combining osimertinib and T-DM1 using different schedules in long term growth experiments revealed that the appearance of osimertinib-resistance was prevented in PC9-T790M and delayed in H1975 cells when the two drugs were given together. By contrast, when osimertinib was followed by T-DM1 an antagonistic effect was observed on cell proliferation, cell death and resistance acquisition. In xenograft models, we demonstrated that HER-2 amplification was associated with osimertinib-resistance and that T-DM1 co-administration is a potential strategy to overcome this resistance. CONCLUSIONS: Our data suggest that concomitant treatment with osimertinib and T-DM1 may be a promising therapeutic strategy for EGFR-mutant NSCLC. PMID- 29202824 TI - Cathodal transcranial direct-current stimulation over right posterior parietal cortex enhances human temporal discrimination ability. AB - BACKGROUND: Time perception associated with durations from 1 s to several minutes involves activity in the right posterior parietal cortex (rPPC). It is unclear whether altering the activity of the rPPC affects an individual's timing performance. Here, we investigated the human timing performance under the application of transcranial direct-current stimulation (tDCS) that altered the neural activities of the rPPC. METHODS: We measured the participants' duration discrimination threshold by administering a behavioral task during the tDCS application. The tDCS conditions consisted of anodal, cathodal, and sham conditions. The electrodes were placed over the P4 position (10-20 system) and on the left supraorbital forehead. On each task trial, the participant observed two visual stimuli and indicated which was longer. The amount of difference between the two stimulus durations was varied repeatedly throughout the trials according to the participant's responses. The correct answer rate of the trials was calculated for each amount of difference, and the minimum amount with the correct answer rate exceeding 75% was selected as the threshold. The data were analyzed by a linear mixed-effects models procedure. RESULTS: Nineteen volunteers participated in the experiment. We excluded three participants from the analysis: two who reported extreme sleepiness while performing the task and one who could recognize the sham condition correctly with confidence. Our analysis of the 16 participants' data showed that the average value of the thresholds observed under the cathodal condition was lower than that of the sham condition. This suggests that inhibition of the rPPC leads to an improvement in temporal discrimination performance, resulting in improved timing performance. CONCLUSIONS: In the present study, we found a new effect that cathodal tDCS over the rPPC enhances temporal discrimination performance. In terms of the existence of anodal/cathodal tDCS effects on human timing performance, the results were consistent with a previous study that investigated temporal reproduction performance during tDCS application. However, the results of the current study further indicated that cathodal tDCS over the rPPC increases accuracy of observed time duration rather than inducing an overestimation as a previous study reported. PMID- 29202825 TI - Antibacterial activity and effects of Colla corii asini on Salmonella typhimurium invasion in vitro and in vivo. AB - BACKGROUND: Salmonella enterica serovar Typhimurium is a foodborne pathogen that triggers inflammatory responses in the intestines of humans and livestock. Colla corii asini is a traditional medicine used to treat gynecologic and chronic diseases in Korea and China. However, the antibacterial activity of Colla corii asini has been unknown. In this study, we investigated the antibacterial activity and effects of Colla corii asini extract on Salmonella typhimurium invasion. METHODS: To tested for antibacterial effects of Colla corii asini extracts, we confirmed the agar diffusion using Luria solid broth medium. Also, we determined the MIC (minimum inhibitory concentration) and the MBC (minimum bactericidal concentration) value of the Colla corii asini ethanol extract (CEE) by using two fold serial dilution methods. We evaluated the expression of salmonella invasion proteins including SipA, SipB and SipC by using Western blot and qPCR at the concentration of CEE without inhibition of bacterial growth. In vitro and vivo, we determined the inhibitory effect of invasion of S. typhimurium on CEE by using gentamicin assay and S. typhimurium-infected mice. RESULTS: CEE significantly inhibited the growth of Salmonella typhimurium in an agar diffuse assay and had an MIC of 0.78 mg/ml and an MBC of 1.56 mg/ml. Additionally, CEE reduced Salmonella typhimurium cell invasion via the inhibition of Salmonella typhimurium invasion proteins, such as SipA, SipB and SipC. Furthermore, CEE significantly suppressed invasion in the small intestines (ilea) of mice injected with Salmonella typhimurium. CONCLUSION: These findings show that Colla corii asini exerts antibacterial activity and suppresses Salmonella typhimurium invasion in vitro and in vivo. Together, these findings demonstrate that Colla corii asini is a potentially useful therapeutic herbal medicine for treating salmonella-mediated diseases. PMID- 29202826 TI - Autonomic nervous system involvement in pulmonary arterial hypertension. AB - Pulmonary arterial hypertension (PAH) is a chronic pulmonary vascular disease characterized by increased pulmonary vascular resistance (PVR) leading to right ventricular (RV) failure. Autonomic nervous system involvement in the pathogenesis of PAH has been demonstrated several years ago, however the extent of this involvement is not fully understood. PAH is associated with increased sympathetic nervous system (SNS) activation, decreased heart rate variability, and presence of cardiac arrhythmias. There is also evidence for increased renin angiotensin-aldosterone system (RAAS) activation in PAH patients associated with clinical worsening. Reduction of neurohormonal activation could be an effective therapeutic strategy for PAH. Although therapies targeting adrenergic receptors or RAAS signaling pathways have been shown to reverse cardiac remodeling and improve outcomes in experimental pulmonary hypertension (PH)-models, the effectiveness and safety of such treatments in clinical settings have been uncertain. Recently, novel direct methods such as cervical ganglion block, pulmonary artery denervation (PADN), and renal denervation have been employed to attenuate SNS activation in PAH. In this review, we intend to summarize the multiple aspects of autonomic nervous system involvement in PAH and overview the different pharmacological and invasive strategies used to target autonomic nervous system for the treatment of PAH. PMID- 29202827 TI - Risk of disability pension in first and second generation immigrants: the role of age and region of birth in a prospective population-based study from Sweden. AB - BACKGROUND: In several countries, immigrants have higher disability pension (DP) rates than natives. Reasons for this are poorly understood. The aim of this study was to investigate if the risk of diagnosis-specific DP differed in first, second, and second/intermediate generation immigrants compared to natives, in general and across regions of birth, and stratified by age. METHODS: A population based prospective cohort study of all 3,507,055 individuals aged 19-50 years and living in Sweden in 2004 with a 6-year follow-up period. Hazard ratios (HR) and 95% confidence intervals (CI) for mental and somatic DP were estimated by Cox regression for first, second, and second/intermediate generation immigrants compared to natives, across regions of birth and stratified by age. RESULTS: After multivariate adjustment, HRs for both mental and somatic DP were higher at follow-up in the first generation compared to natives: mental HR 1.17 (CI 1.12 1.22) and somatic 1.15 (1.09-1.22) for individuals <35 years; 1.74 (1.69-1.79) and 1.70 (1.66-1.74) >=35 years (median), respectively. Immigrants born in Europe outside EU25, and countries outside Europe had particularly elevated HRs. Also in the second generation, HRs were higher in mental 1.29 (1.21-1.37) and somatic DP: 1.30 (1.19-1.42) in those <35 years; and 1.18 (1.10-1.27); and 1.10 (1.03-1.17) for those >=35 years, respectively. Among second generation immigrants there were no strong differences in HRs between regions of birth. CONCLUSIONS: Compared to natives, the risk of DP was higher in first and second generation immigrants. Higher estimates were seen for immigrants from Europe outside EU25 and from the rest of the world in the first generation. No considerable differences in estimates regarding mental or somatic DP diagnoses were found. PMID- 29202828 TI - Calculation of the disease burden associated with environmental chemical exposures: application of toxicological information in health economic estimation. AB - Calculation of costs and the Burden of Disease (BoD) is useful in developing resource allocation and prioritization strategies in public and environmental health. While useful, the Disability-Adjusted Life Year (DALY) metric disregards subclinical dysfunctions, adheres to stringent causal criteria, and is hampered by gaps in environmental exposure data, especially from industrializing countries. For these reasons, a recently calculated environmental BoD of 5.18% of the total DALYs is likely underestimated. We combined and extended cost calculations for exposures to environmental chemicals, including neurotoxicants, air pollution, and endocrine disrupting chemicals, where sufficient data were available to determine dose-dependent adverse effects. Environmental exposure information allowed cost estimates for the U.S. and the EU, for OECD countries, though less comprehensive for industrializing countries. As a complement to these health economic estimations, we used attributable risk valuations from expert elicitations to as a third approach to assessing the environmental BoD. For comparison of the different estimates, we used country-specific monetary values of each DALY. The main limitation of DALY calculations is that they are available for few environmental chemicals and primarily based on mortality and impact and duration of clinical morbidity, while less serious conditions are mostly disregarded. Our economic estimates based on available exposure information and dose-response data on environmental risk factors need to be seen in conjunction with other assessments of the total cost for these environmental risk factors, as our estimate overlaps only slightly with the previously estimated environmental DALY costs and crude calculations relying on attributable risks for environmental risk factors. The three approaches complement one another and suggest that environmental chemical exposures contribute costs that may exceed 10% of the global domestic product and that current DALY calculations substantially underestimate the economic costs associated with preventable environmental risk factors. By including toxicological and epidemiological information and data on exposure distributions, more representative results can be obtained from utilizing health economic analyses of the adverse effects associated with environmental chemicals. PMID- 29202829 TI - Prevalence and risk factors of moderate to severe obstructive sleep apnea syndrome in major depression: a observational and retrospective study on 703 subjects. AB - BACKGROUND: Several studies have investigated the prevalence and risk factors of depression in subjects with obstructive sleep apnea syndrome. However, few studies have investigated the prevalence and risk factors for obstructive sleep apnea syndrome in major depression. The aim of this study was to examine the prevalence and risk factors of moderate to severe obstructive sleep apnea syndrome in a large sample of individuals with major depression. METHODS: Data from 703 individuals with major depression recruited from the research database of the sleep laboratory of the Erasme Hospital were analysed. An apnea-hypopnea index of >=15 events per hour was used as cut-off score for moderate to severe obstructive sleep apnea syndrome. Logistic regression analyses were conducted to examine clinical and demographic risk factors of moderate to severe obstructive sleep apnea syndrome in major depression. RESULTS: The prevalence of moderate to severe obstructive sleep apnea syndrome in major depression is 13.94%. Multivariate logistic regression analysis revealed that male gender, snoring, excessive daytime sleepiness, lower insomnia complaint, presence of metabolic syndrome, age >= 50 years, BMI >30 kg/m2, ferritin >300 MUg/L, CRP >7 mg/L and duration of sleep >=8 h were significant risk factors of moderate to severe obstructive sleep apnea syndrome in major depression. CONCLUSION: Moderate to severe obstructive sleep apnea syndrome is a common pathology in major depression. The identification of these different risk factors advances a new perspective for more effective screening of moderate to severe obstructive sleep apnea syndrome in major depression. PMID- 29202830 TI - Experiences from the anatomy track in the ontology alignment evaluation initiative. AB - BACKGROUND: One of the longest running tracks in the Ontology Alignment Evaluation Initiative is the Anatomy track which focuses on aligning two anatomy ontologies. The Anatomy track was started in 2005. In 2005 and 2006 the task in this track was to align the Foundational Model of Anatomy and the OpenGalen Anatomy Model. Since 2007 the ontologies used in the track are the Adult Mouse Anatomy and a part of the NCI Thesaurus. Since 2015 the data in the Anatomy track is also used in the Interactive track of the Ontology Alignment Evaluation Initiative. RESULTS: In this paper we focus on the Anatomy track in the years 2007-2016 and the Anatomy part of the Interactive track in 2015-2016. We describe the data set and the changes it went through during the years as well as the challenges it poses for ontology alignment systems. Further, we give an overview of all systems that participated in the track and the techniques they have used. We discuss the performance results of the systems and summarize the general trends. CONCLUSIONS: About 50 systems have participated in the Anatomy track. Many different techniques were used. The most popular matching techniques are string-based strategies and structure-based techniques. Many systems also use auxiliary information. The quality of the alignment has increased for the best performing systems since the beginning of the track and more and more systems check the coherence of the proposed alignment and implement a repair strategy. Further, interacting with an oracle is beneficial. PMID- 29202831 TI - Heterologous expression, purification and function of the extracellular domain of human RANK. AB - BACKGROUND: Receptor activator of NF-kappaB ligand (RANKL)/RANK signaling essentially functions within the skeletal system, particularly participating in osteoclastogenesis and bone resorption. In addition, this signaling pathway has also been shown to influence tumor progression as well as the development and function of the immune system. Therefore, blocking the interaction between RANKL and RANK is a new therapeutic approach to prevent bone-related diseases and cancer. RESULTS: The coding sequence encoding the extracellular domain of human RANK (RANK-N) was codon optimized for Pichia pastoris and cloned into the pPIC9K vector, and the recombinant plasmid was then transformed into P. pastoris. The expression of RANK-N protein was confirmed using SDS-PAGE with Coomassie Brilliant Blue stain and western blotting. Recombinant RANK-N protein was purified by a multistep process including ultrafiltration (UF), Sephadex G-50 size-exclusion chromatography and Q-Sepharose Fast Flow ion exchange chromatography, which resulted in a purity >95%. We found that the RANK-N protein can block RANKL-RANK signaling both in vitro and in vivo. Furthermore, using a patient-derived xenograft of human colon cancer, we found that the recombinant RANK-N protein can inhibit the growth of colorectal cancer. CONCLUSIONS: The results show that a simple system to express and purify functional RANK-N protein has been developed. This work has thus laid a foundation for further research and clinical applications of RANK-N protein in treating bone-related diseases or even colorectal cancer. PMID- 29202832 TI - Inevitability of the emergence and persistence of genetic parasites caused by evolutionary instability of parasite-free states. AB - : Genetic parasites, including viruses and mobile genetic elements, are ubiquitous among cellular life forms, and moreover, are the most abundant biological entities on earth that harbor the bulk of the genetic diversity. Here we examine simple thought experiments to demonstrate that both the emergence of parasites in simple replicator systems and their persistence in evolving life forms are inevitable because the putative parasite-free states are evolutionarily unstable. REVIEWERS: This article has been reviewed by Yitzhak Pilpel, Bojan Zagrovic, and Eric van Nimwegen. PMID- 29202833 TI - Correction to: Diabetes-related information-seeking behaviour: a systematic review. AB - CORRECTION: During the production process for this article [1] some errors were introduced into Table 2. The correct version of Table 2 can be found below; the original article [1] has also been updated with the correct version of Table 2. BMC apologises to the authors and to readers for this error. PMID- 29202834 TI - Development and validation of a preoperative prognostic index independent of TNM stage in resected non-small cell lung cancer. AB - BACKGROUND: Previously reported prognostic tools for patients with resected non small cell lung cancer (NSCLC) include factors found postoperatively, but not preoperatively. However, it would be important to predict patient prognosis before NSCLC resection. To suggest a novel preoperative prognostic tool, we evaluated the relationship of preoperative prognostic factors with the survival of patients with resected NSCLC. METHODS: We retrospectively reviewed the data of two independent cohorts of patients with completely resected NSCLC. To develop the prognostic index in one cohort, the overall survival (OS) was evaluated using the Cox proportional hazards model. We assessed the disease-free survival (DFS) and OS of three risk groups defined according to the prognostic index. Then, the prognostic index was validated in the other cohort. RESULTS: Seven independent risk factors for OS were selected: age >= 70 years, ever-smokers, vital capacity <80%, neutrophil-to-lymphocyte ratio >= 2.1, cytokeratin 19 fragment >normal limit, non-usual interstitial pneumonia (UIP) pattern, and UIP pattern. Three risk groups were defined: low-risk (36.9%), intermediate-risk (54.0%), and high risk (9.1%). In the derivation cohort, the 5-year DFS rate was 77.8%, 58.8%, and 22.6% (P < 0.001), and the 5-year OS rate was 95.2%, 70.4%, and 28.9% (P < 0.001), respectively. Multivariate analyses showed that the prognostic index predicted DFS and OS, independent of pathological stage and tumor histology, in both derivation and validation cohorts. CONCLUSIONS: We developed and validated a simple preoperative prognostic index composed of seven variables, which may help clinicians predict prognosis before surgery in patients with NSCLC. PMID- 29202835 TI - Coinfection modulates inflammatory responses, clinical outcome and pathogen load of H1N1 swine influenza virus and Haemophilus parasuis infections in pigs. AB - BACKGROUND: Respiratory co-infections are important factor affecting the profitability of pigs production. Swine influenza virus (SIV) may predispose to secondary infection. Haemophilus parasuis (Hps) can be a primary pathogen or be associated with other pathogens such as SIV. To date, little is known about the effect of coinfection with SIV and Hps on the disease severity and inflammatory response and the role of Hps in the induction of pneumonia in the absence of other respiratory pathogens. In the study we investigated the influence of SIV and Hps coinfection on clinical course, inflammatory response, pathogens shedding and load at various time points following intranasal inoculation. The correlation between local concentration of cytokines and severity of disease as well as serum acute phase proteins (APP) concentration has been also studied. RESULTS: All co infected pigs had fever, while in single inoculated pigs fever was observed only in part of animals. Necropsy revealed lesions in the lungs all SIV-inoculated and co-inoculated pigs, while in Hps-single inoculated animals only 1 out of 11 pigs revealed gross lung lesions. The SIV shedding was the highest in co-inoculated pigs. There were no differences between Hps-single inoculated and co-inoculated groups with regard to Hps shedding. The significant increase in Hps titre in the lung has been found only in co-inoculated group. All APP increased after co infection. In single-inoculated animals various kinetics of APP response has been observed. The lung concentrations of cytokines were induced mostly in SIV + Hps pigs in the apical and middle lobe. These results correlated well with localization of gross lung lesions. CONCLUSIONS: The results revealed that SIV increased the severity of lung lesions and facilitated Hps (PIWetHps192/2015) replication in the porcine lung. Furthermore, Hps influenced the SIV nasal shedding. Enhanced Hps and SIV replication, together with stronger systemic and local inflammatory response contributed to a more severe clinical signs and stronger, earlier immune response in co-inoculated animals. We confirmed the previous evidence that single-Hps infection does not produce significant pneumonic lesions but it should be in mind that other strains of Hps may produce lesions different from that reported in the present study. PMID- 29202836 TI - Global incidence and case fatality rate of pulmonary embolism following major surgery: a protocol for a systematic review and meta-analysis of cohort studies. AB - BACKGROUND: Pulmonary embolism (PE) is a life-threatening condition common after major surgery. Although the high incidence (0.3-30%) and mortality rate (16.9 31%) of PE in patients undergoing major surgical procedures is apparent from findings of contemporary observational studies, there is a lack of a summary and meta-analysis data on the epidemiology of postoperative PE in this same regard. Hence, we propose to conduct the first systematic review to summarise existing data on the global incidence, determinants and case fatality rate of PE following major surgery. METHODS: Electronic databases including MEDLINE, EMBASE, SCOPUS, WHO global health library (including LILACS), Web of Science and Google scholar from inception to April 30, 2017, will be searched for cohort studies reporting on the incidence, determinants and case fatality rate of PE occurring after major surgery. Data from grey literature will also be assessed. Two investigators will independently perform study selection and data extraction. Included studies will be evaluated for risk of bias. Appropriate meta-analytic methods will be used to pool incidence and case fatality rate estimates from studies with identical features, globally and by subgroups of major surgical procedures. Random-effects and risk ratio with 95% confidence interval will be used to summarise determinants and predictors of mortality of PE in patients undergoing major surgery. DISCUSSION: This systematic review and meta-analysis will provide the most up-to-date epidemiology of PE in patients undergoing major surgery to inform health authorities and identify further research topics based on the remaining knowledge gaps. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42017065126. PMID- 29202838 TI - Development of a Saw Bones Model for training pedicle screw placement in scoliosis. AB - OBJECTIVE: The purpose of this study was to determine if a Sawbones Scoliosis Model could be used as a simulator to train residents in placing pedicle screws-a complex procedure with a steep learning curve. Surgical simulation, a common tool teaching residents complex procedures in a safe environment, was staged using a Sawbones Scoliosis Model. Ten junior and ten senior residents out of 25 total possible residents (80%) were instructed how to place pedicle screws using the free-hand technique. They were then asked to place them unilaterally from T4 to L4 and were assessed on completion time, accuracy placement accuracy, and overall competency using an objective rating scale. RESULTS: Senior residents had an average time to completion of 38.9 +/- 4.7 min vs. junior's 50.1 +/- 11.7 min, and a pedicle screw accuracy of 43.6 +/- 6.4% vs. junior's 44.4 +/- 17.4%. Overall competency scores were similar for both groups; however, senior residents scored higher in the time and motion subdomain. Senior residents had a faster completion time and were more efficient, suggesting greater experience in spine surgery. The low rate of screw accuracy in both groups validates that simulation is a safe way for trainees to learn complex tasks. PMID- 29202837 TI - Predictive power of splenic thickness for post-hepatectomy liver failure in HBV associated hepatocellular carcinoma patients. AB - BACKGROUND: The purpose of this case series is to investigate the relationship between splenic thickness (ST) and postoperative outcomes after hepatic resection in hepatitis B virus (HBV)-associated hepatocellular carcinoma (HCC) patients. METHODS: The clinical data of 320 patients with HBV-associated HCC who had undergone liver resection were retrospectively analyzed. The value of ST in predicting postoperative outcomes was evaluated. RESULTS: A total of 320 patients were enrolled in the study. An increase in ST was significantly associated with an increase in portal vein diameter (PVD), indocyanine green retention rate 15 min (ICG R15), and total bilirubin (TBIL); however, it was negatively correlated with platelet count (PLT). Post-hepatectomy liver failure (PHLF) occurred in 35 (10.9%) patients. Multivariate logistic regression analysis showed that ST was an independent predictor of morbidity and mortality after hepatectomy. Meanwhile, ST was associated with an almost sixfold increased risk for developing perioperative complications (OR 5.678; 95% CI 2.873 to 11.224; P < 0.001) and almost 13-fold increased risk for mortality after hepatectomy (OR 13.007; 95% CI 1.238 to 136.627; P = 0.033).The area under the receiver operating characteristic (ROC) curve (AUC) of ST for predicting the incidence of PHLF was 0.754 (95% confidence interval (CI) 0.667 to 0.841; P < 0.001), with a sensitivity of 57.1% and a specificity of 82.5%, which were significantly greater than those of the ICG R15 level (AUC 0.670; 95% CI 0.560 to 0.779; P < 0.001). The critical value of ST was 43.5 mm. CONCLUSIONS: ST, which is an easy, inexpensive, and routinely available perioperative marker, showed a favorable predictive value for postoperative outcomes in HBV-associated HCC patients. PMID- 29202839 TI - Choice of surrogate tissue influences neonatal EWAS findings. AB - BACKGROUND: Epigenomes are tissue specific and thus the choice of surrogate tissue can play a critical role in interpreting neonatal epigenome-wide association studies (EWAS) and in their extrapolation to target tissue. To develop a better understanding of the link between tissue specificity and neonatal EWAS, and the contributions of genotype and prenatal factors, we compared genome-wide DNA methylation of cord tissue and cord blood, two of the most accessible surrogate tissues at birth. METHODS: In 295 neonates, DNA methylation was profiled using Infinium HumanMethylation450 beadchip arrays. Sites of inter-individual variability in DNA methylation were mapped and compared across the two surrogate tissues at birth, i.e., cord tissue and cord blood. To ascertain the similarity to target tissues, DNA methylation profiles of surrogate tissues were compared to 25 primary tissues/cell types mapped under the Epigenome Roadmap project. Tissue-specific influences of genotype on the variable CpGs were also analyzed. Finally, to interrogate the impact of the in utero environment, EWAS on 45 prenatal factors were performed and compared across the surrogate tissues. RESULTS: Neonatal EWAS results were tissue specific. In comparison to cord blood, cord tissue showed higher inter-individual variability in the epigenome, with a lower proportion of CpGs influenced by genotype. Both neonatal tissues were good surrogates for target tissues of mesodermal origin. They also showed distinct phenotypic associations, with effect sizes of the overlapping CpGs being in the same order of magnitude. CONCLUSIONS: The inter-relationship between genetics, prenatal factors and epigenetics is tissue specific, and requires careful consideration in designing and interpreting future neonatal EWAS. TRIAL REGISTRATION: This birth cohort is a prospective observational study, designed to study the developmental origins of health and disease, and was retrospectively registered on 1 July 2010 under the identifier NCT01174875 . PMID- 29202840 TI - Patient-targeted Googling and social media: a cross-sectional study of senior medical students. AB - BACKGROUND: Social media and Internet technologies present several emerging and ill-explored issues for a modern healthcare workforce. One issue is patient targeted Googling (PTG), which involves a healthcare professional using a social networking site (SNS) or publicly available search engine to find patient information online. The study's aim was to address a deficit in data and knowledge regarding PTG, and to investigate medical student use of SNSs due to a close association with PTG. METHOD: The authors surveyed final year medical students at the Otago Medical School, University of Otago in January 2016. A subset completed focus groups that were analysed using thematic analysis to identify key themes relating to students' attitudes towards PTG, and reasons why they might engage in PTG. RESULTS: Fifty-four students completed the survey (response rate = 65.1%), which showed that PTG was uncommon (n = 9, 16.7%). Attitudes were varied and context dependent. Most participants saw problems with PTG and favoured more explicit guidance on the issue (n = 29, 53.7%). SNS usage was high (n = 51, 94.4%); participants were concerned by the content of their SNS profiles and who they were connecting with online. Participants showing high SNS use were 1.83 times more likely to have conducted PTG than lower use groups. CONCLUSIONS: The diverse attitudes uncovered in this study indicated that teaching or guidelines could be useful to healthcare professionals considering PTG. Though ethically problematic, PTG may be important to patient care and safety. The decision to conduct PTG should be made with consideration of ethical principles and the intended use of the information. PMID- 29202841 TI - The response of canine faecal microbiota to increased dietary protein is influenced by body condition. AB - BACKGROUND: High protein diets shift the faecal microbiota into a more unfavourable composition in obese humans. In lean dogs, higher protein consumption is accompanied with increased production of putrefactive fermentation products, whereas obese dogs have a different gut microbiota compared to lean dogs. Still, the impact of high dietary protein on gut microbiota in obese dogs remains unclear. The aim of this study was to investigate faecal microbial changes in lean and obese dogs in response to two different levels of dietary protein. Six healthy lean and six obese Beagles were fed a high protein diet (HP) and a low protein diet (LP) for 28 days each in a crossover design. Denaturing gradient gel electrophoresis and quantitative PCR were performed on faecal samples for microbial profiling. Plasma acylcarnitine and fermentation metabolites were measured. RESULTS: Dogs fed HP had higher concentrations of protein fermentation metabolites including faecal ammonia, isovalerate, isobutyrate, phenol, indole, serum indoxyl sulphate and plasma 3-OH isovalerylcarnitine compared to dogs fed LP, whereas no changes in faecal concentrations of acetate and butyrate were observed. The abundances of clostridial clusters IV and XIVa, covering the majority of butyrate-producing bacteria, and of the butyrate kinase gene, one of the terminal genes of the butyrate synthesis pathway were higher in dogs on HP compared to LP. Significant interactions between diet and body condition were found for the abundance of Firmicutes, Lactobacillus and clostridial cluster I. The similarity coefficient of faecal microbiota between the two diets was smaller in obese dogs than in lean dogs. CONCLUSIONS: High protein diet increased the abundance and activity of butyrate-producing bacteria in Beagles independent of the body condition. In addition, increasing dietary protein content had a greater overall impact on faecal microbiota in obese compared to lean dogs. PMID- 29202842 TI - Preclinical and clinical aspects of TNF-alpha and its receptors TNFR1 and TNFR2 in breast cancer. AB - Breast cancer is the most common malignancy in women and a public health problem worldwide. Breast cancer is often accompanied by an inflammatory process characterized by the presence of proinflammatory cytokines such as tumor necrosis factor (TNF-alpha), which has important implications in the course of the disease. Inflammation has been described primarily as a favorable environment for tumor development. However, under certain conditions TNF-alpha can promote signals for activation, differentiation, survival or cell death, so the study of the variants of this cytokine, its receptors, the presence of polymorphisms and its implication in different phenotypes of breast cancer is necessary. Although the clinical application of TNF-alpha has been limited by its toxicity and side effects, preclinical and clinical studies have shown that these effects may partially be avoided via tumor-targeted delivery strategies. In this manner, TNF alpha alone or combined with chemotherapy and radiotherapy can function as an adjuvant in the treatment of breast cancer. PMID- 29202843 TI - Socioeconomic inequalities of outpatient and inpatient service utilization in China: personal and regional perspectives. AB - BACKGROUND: China's health system has shown remarkable progress in health provision and health outcomes in recent decades, however inequality in health care utilization persists and poses a serious social problem. While government pro-poor health policies addressed affordability as the major obstacle to equality in health care access, this policy direction deserves further examination. Our study examines the issue of health care inequalities in China, analyzing both regional and individual socioeconomic factors associated with the inequality, and provides evidence to improve governmental health policies. METHODS: The China Health and Nutrition Survey (CHNS) 1991-2011 data were used to analyze the inequality of health care utilization. The random effects logistic regression technique was used to model health care utilization as the dependent variable, and income and regional location as the independent variables, controlling for individuals' age, gender, marital status, education, health insurance, body mass index (BMI), and period variations. The dynamic trend of 1991-2011 regional disparities was estimated using an interaction term between the regional group dummy and the wave dummy. RESULTS: The probability of using outpatient service and inpatient services during the previous 4 weeks was 8.6 and 1.1% respectively. Compared to urban residents, suburban (OR: 0.802, 95% CI: 0.720-0.893), town (OR: 0.722, 95% CI: 0.648-0.804), rich (OR: 0.728, 95% CI: 0.656-0.807) and poor village (OR: 0.778, 95% CI: 0.698-0.868) residents were less likely to use outpatient service; and rich (OR: 0.609, 95% CI: 0.472-0.785) and poor village (OR: 0.752, 95% CI: 0. 576-0.983) residents were less likely to use inpatient health care. But the differences between income groups were not significant, except the differences between top and bottom income group in outpatient service use. CONCLUSION: Regional location was a more important factor than individual characteristics in determining access to health care. Besides demand-side subsidies, Chinese policy makers should pay enhanced attention to health care resource allocation to address inequity in health care access. PMID- 29202844 TI - Associations between fruit and vegetable, and antioxidant nutrient intake and age related macular degeneration by smoking status in elderly Korean men. AB - BACKGROUND: Age-related macular degeneration (AMD) is one of the major causes of irreversible blindness. The objective of this study was to determine whether there is any relationship between dietary intake of fruits and vegetables (F&V) and antioxidant nutrients including carotenoids and AMD according to smoking status in elderly men. METHODS: We performed a cross-sectional analysis using nationally representative samples of elderly aged >= 65 years (n = 1414) from the Korea National Health and Nutrition Examination Survey (KNHANES, 2010-2012). RESULTS: The current smokers consumed less food in total, and, in particular, less cereals/potatoes/sugar products, fruits and vegetables than the nonsmokers and former smokers (p < 0.05). Intake of energy, thiamin, vitamin C, vitamin A, and beta-carotene were significantly lower in the current smokers than in the nonsmokers and the former smokers. For current smokers, the ORs of the highest tertile compared with the lowest tertile were 0.36 (95% CI: 0.14-0.96, p for trend = 0.0576) for F&V, 0.32 (95% CI: 0.12-0.85, p for trend = 0.0561) for vitamin C, 0.23 (95% CI: 0.08-0.67, p for trend = 0.0038) for alpha-carotene, 0.13 (95% CI: 0.04-0.46, p for trend = 0.0003) for beta-carotene after adjusting for confounding factors. In contrast, there was no association between antioxidant nutrient intake and AMD among the nonsmokers and former smokers. CONCLUSIONS: These results suggest that increased consumption of fruits and vegetables containing antioxidant components such as vitamin C, alpha-carotene, and beta-carotene may have a protective effect on AMD. These effects may be more evident among current smokers. PMID- 29202845 TI - Robotic assisted gait as a tool for rehabilitation of individuals with spinal cord injury: a systematic review. AB - BACKGROUND: Spinal cord injury (SCI) is characterized by a total or partial deficit of sensory and motor pathways. Impairments of this injury compromise muscle recruitment and motor planning, thus reducing functional capacity. SCI patients commonly present psychological, intestinal, urinary, osteomioarticular, tegumentary, cardiorespiratory and neural alterations that aggravate in chronic phase. One of the neurorehabilitation goals is the restoration of these abilities by favoring improvement in the quality of life and functional independence. Current literature highlights several benefits of robotic gait therapies in SCI individuals. OBJECTIVES: The purpose of this study was to compare the robotic gait devices, and systematize the scientific evidences of these devices as a tool for rehabilitation of SCI individuals. METHODS: A systematic review was carried out in which relevant articles were identified by searching the following databases: Cochrane Library, PubMed, PEDro and Capes Periodic. Two authors selected the articles which used a robotic device for rehabilitation of spinal cord injury. RESULTS: Databases search found 2941 articles, 39 articles were included due to meet the inclusion criteria. The robotic devices presented distinct features, with increasing application in the last years. Studies have shown promising results regarding the reduction of pain perception and spasticity level; alteration of the proprioceptive capacity, sensitivity to temperature, vibration, pressure, reflex behavior, electrical activity at muscular and cortical level, classification of the injury level; increase in walking speed, step length and distance traveled; improvements in sitting posture, intestinal, cardiorespiratory, metabolic, tegmental and psychological functions. CONCLUSIONS: This systematic review shows a significant progress encompassing robotic devices as an innovative and effective therapy for the rehabilitation of individuals with SCI. PMID- 29202846 TI - Haplotypes inside the beta-globin gene: use as new biomarkers for beta thalassemia prenatal diagnosis in north of Iran. AB - BACKGROUND: Beta-thalassemia is common in the Mediterranean area as well as the Middle East and India. Official report in Iran revealed the average prevalence rate of carriers about 4%. More than 20 restriction fragment length polymorphisms (RFLPs) are known in the beta-globin gene cluster and used in the prenatal diagnosis (PND) services. Some of these locations may have low allele frequency and are not informative in the prenatal diagnosis. The current study aims to find new haplotypes and polymorphisms with high allele frequency in the local population. METHODS: Two thousand three hundred fifty samples (1,321 male and 1,029 female) from the northern Iran, whom suspected to be the carriers either for alpha or beta thalassemia and referred to the local diagnostic laboratory as a routine services were investigated during five years, (2010-2015). The beta globin gene was sequenced for all samples. RESULTS: Heterozygosity for five SNPs in the beta-globin gene was calculated separately. 383 individuals (16.29%) showed no sign of nucleotide change in the beta-globin gene sequence. In total, codon2 (C/T) 31.72%, IVSII-16 (C/G) 31.72%, IVSII-74 (G/T) 54.71%, IVSII-81 (C/T) 19.47%, and IVSII-666 (T/C) 31.72% were seen respectively. Although all five polymorphisms showed reasonably high heterozygosity, IVSII-74 (G/T) [GG wild type (36.5%), G/T (54.71%) and TT (8.8%)] revealed the highest heterozygosity rate. Four combinations of these five SNPs were defined as new haplotypes named M1 to M4. ARMS-PCR also were designed and applied to detect IVSII-74 (G/T) nucleotide position. CONCLUSIONS: This study represents an intragenic polymorphism, IVSII 74, a reliable position with high heterozygosity rates in Iranian population for PND analysis. TRIAL REGISTRATION: Retrospectively registered. PMID- 29202847 TI - Effects of adenosine and regadenoson on hemodynamics measured using cardiovascular magnetic resonance imaging. AB - BACKGROUND: Adenosine or regadenoson vasodilator stress cardiovascular magnetic resonance (CMR) is an effective non-invasive strategy for evaluating symptomatic coronary artery disease. Vasodilator injection typically precedes ventricular functional sequences to efficiently reduce overall scanning times, though the effects of vasodilators on CMR-derived ventricular volumes and function are unknown. METHODS: We prospectively enrolled 25 healthy subjects to undergo consecutive adenosine and regadenoson administration. Short axis CINE datasets were obtained on a 1.5 T scanner following adenosine (140mcg/kg/min IV for 6 min) and regadenoson (0.4 mg IV over 10 s) at baseline, immediately following administration, at 5 min intervals up to 15 min. Hemodynamic response, bi ventricular volumes and ejection fractions were determined at each time point. RESULTS: Peak heart rate was observed early following administration of both adenosine and regadenoson. Heart rate returned to baseline by 10 min post adenosine while remaining elevated at 15 min post-regadenoson (p = 0.0015). Left ventricular (LV) ejection fraction (LVEF) increased immediately following both vasodilators (p < 0.0001 for both) and returned to baseline following adenosine by 10 min (p = 0.8397). Conversely, LVEF following regadenoson remained increased at 10 min (p = 0.003) and 15 min (p = 0.0015) with a mean LVEF increase at 15 min of 4.2 +/- 1.3%. Regadenoson resulted in a similar magnitude reduction in both LV end-diastolic volume index (LVEDVi) and LV end-systolic volume index (LVESVi) at 15 min whereas LVESVi resolved at 15 min following adenosine and LVEDVi remained below baseline values (p = 0.52). CONCLUSIONS: Regadenoson and adenosine have significant and prolonged impact on ventricular volumes and LVEF. In patients undergoing vasodilator stress CMR where ventricular volumes and LVEF are critical components to patient care, ventricular functional sequences should be performed prior to vasodilator use or consider the use of aminophylline in the setting of regadenoson. Additionally, heart rate resolution itself is not an effective surrogate for return of ventricular volumes and LVEF to baseline. PMID- 29202848 TI - Downregulation of miR-141-3p promotes bone metastasis via activating NF-kappaB signaling in prostate cancer. AB - BACKGROUND: Clinically, prostate cancer (PCa) exhibits a high avidity to metastasize to bone. miR-141-3p is an extensively studied miRNA in cancers and downregulation of miR-141-3p has been widely reported to be involved in the progression and metastasis of several human cancer types. However, the clinical significance and biological roles of miR-141-3p in bone metastasis of PCa are still unclear. METHODS: miR-141-3p expression was examined in 89 non-bone metastatic and 52 bone metastatic PCa tissues by real-time PCR. Statistical analysis was performed to investigate the clinical correlation between miR-141-3p expression levels and clinicopathological characteristics in PCa patients. The biological roles of miR-141-3p in bone metastasis of PCa were evaluated both in vitro and a mouse intracardial model in vivo. Bioinformatics analysis, Western blot, luciferase reporter and miRNA immunoprecipitation assays were performed to explore and examine the relationship between miR-141-3p and its potential targets. Clinical correlation of miR-141-3p with its targets was examined in clinical PCa tissues. RESULTS: miR-141-3p expression is reduced in bone metastatic PCa tissues compared with non-bone metastatic PCa tissues. Low expression of miR-141-3p positively correlates with serum PSA levels, Gleason grade and bone metastasis status in PCa patients. Furthermore, upregulating miR 141-3p suppresses the EMT, invasion and migration of PCa cells in vitro. Conversely, silencing miR-141-3p yields an opposite effect. Importantly, upregulating miR-141-3p dramatically reduces bone metastasis of PC-3 cells in vivo. Our results further show that miR-141-3p inhibits the activation of NF kappaB signaling via directly targeting tumor necrosis factor receptor-associated factor 5(TRAF5) and 6 (TRAF6), which further suppresses invasion, migration and bone metastasis of PCa cells. The clinical negative correlation of miR-141-3p expression with TRAF5, TRAF6 and NF-kappaB signaling activity is demonstrated in PCa tissues. CONCLUSION: Our findings unravel a novel mechanism underlying the bone metastasis of PCa, suggesting that miR-141-3p mimics might represent a potential therapeutic avenue for the treatment of PCa bone metastasis. PMID- 29202849 TI - Designing healthy communities: creating evidence on metrics for built environment features associated with walkable neighbourhood activity centres. AB - BACKGROUND: Evidence-based metrics are needed to inform urban policy to create healthy walkable communities. Most active living research has developed metrics of the environment around residential addresses, ignoring other important walking locations. Therefore, this study examined: metrics for built environment features surrounding local shopping centres, (known in Melbourne, Australia as neighbourhood activity centres (NACs) which are typically anchored by a supermarket); the association between NACs and transport walking; and, policy compliance for supermarket provision. METHODS: In this observational study, cluster analysis was used to categorize 534 NACs in Melbourne, Australia by their built environment features. The NACS were linked to eligible Victorian Integrated Survey of Travel Activity 2009-2010 (VISTA) survey participants (n=19,984). Adjusted multilevel logistic regressions estimated associations between each cluster typology and two outcomes of daily walking: any transport walking; and, any 'neighbourhood' transport walking. Distance between residential dwellings and closest NAC was assessed to evaluate compliance with local planning policy on supermarket locations. RESULTS: Metrics for 19 built environment features were estimated and three NAC clusters associated with walkability were identified. NACs with significantly higher street connectivity (mean:161, SD:20), destination diversity (mean:16, SD:0.4); and net residential density (mean:77, SD:65) were interpreted as being 'highly walkable' when compared with 'low walkable' NACs, which had lower street connectivity (mean:57, SD:15); destination diversity (mean:11, SD:3); and net residential density (mean:10, SD:3). The odds of any daily transport walking was 5.85 times higher (95% CI: 4.22, 8.11), and for any 'neighborhood' transport walking 8.66 (95% CI: 5.89, 12.72) times higher, for residents whose closest NAC was highly walkable compared with those living near low walkable NACs. Only highly walkable NACs met the policy requirement that residents live within 1km of a local supermarket. CONCLUSIONS: Built environment features surrounding NACs must reach certain levels to encourage walking and deliver walkable communities. Research and metrics about the type and quantity of built environment features around both walking trip origins and destinations is needed to inform urban planning policies and urban design guidelines. PMID- 29202851 TI - Female genital tuberculosis and infertility: serial cases report in Bandung, Indonesia and literature review. AB - BACKGROUND: Female genital tuberculosis (FGTB) is a Mycobacterium infection in the reproductive organs which often leads to infertility. FGTB is either asymptomatic or causes uncharacteristic clinical presentations, making an early diagnosis is challenging. Our aims were to evaluate the clinical presentations, the process to confirm the diagnosis and followed-up the patients who had undergone laparoscopy at our center. FGTB has been reported from many countries, but has never been reported from Indonesia. Here we present case studies to document the presence of FGTB in Indonesia. CASES PRESENTATION: There were three patients admitted to our center; two patients were admitted with irregular menstrual cycle as their chief complaint, while one patient came due to infertility. The results from laparoscopy were suggestive of FGTB; including the presence of caseating granulomas surrounded by epithelioid cells, lymphocytes, plasma cells, and Langhans giant cells. Additionally, PCR testing confirmed presence of MTB. Subsequent to diagnosis, continuous TB medications was administered with excellent clinical outcome in two patients (pregnant in 18 months after under gone laparoscopy). The infertile patient remain in one of the treated patient above. CONCLUSION: In infertile patients who live in countries where Tuberculosis is an endemic disease, such as Indonesia, a comprehensive history taking, along with ultrasonography results can be used to diagnose FGTB. Confirmation of this diagnosis can be achieved through polymerase chain reactions result. Timely diagnosis and treatment are imperative to prevent any permanent injury to patient's reproductive organs. PMID- 29202850 TI - Objectively-assessed physical activity and weight change in young adults: a randomized controlled trial. AB - BACKGROUND: Reductions in physical activity (PA) are common throughout young adulthood and low PA is associated with weight gain. The SNAP Trial previously reported that two self-regulation approaches to weight gain prevention reduced weight gain over a 2-year period in 18-35 year olds. Presented here are secondary analyses examining changes in PA and the relationship between PA and weight change over 2 years. METHODS: 599 young adults (age: 27.4 +/- 4.4 yrs.; BMI: 25.4 +/- 2.6 kg/m2) were randomly assigned to 1 of 3 treatment arms: Small Changes (reduce calorie intake by 100 kcals/day & add 2000 steps/day), Large Changes (lose 2.3-4.5 kg initially & increase PA to >=250 min/wk), or Self-guided (control condition). Small and Large Changes received 10, face-to-face group sessions (months 1-4), and two 4-week refresher courses each subsequent year. Body weight and PA were objectively-measured at baseline, 4 months, 1 and 2 years. Daily steps and bout-related moderate-to-vigorous intensity PA (MVPA: >=3 METs, >=10-min bouts) was calculated. RESULTS: Changes in bout-related MVPA and daily steps did not differ among treatment groups over the 2-year period (p's > 0.16). Collapsed across groups, participants gaining >1 lb. (n = 187; 39.6%) had smaller changes in bout-related MVPA at 4 months, 1 and 2 years relative to those maintaining or losing weight (<=1 lb. weight gain; n = 282, 60.4%, p's < 0.05). Averaged across time points, this difference equated to 47.8 min/week. Those gaining and not gaining >1 lb. did not differ on daily steps (p's > 0.10). Among participants engaging in >=250 min/wk. of MVPA at 2 years (n = 181), 30% gained >1 lb. from baseline to 2 years, which was not different from those engaging in 150-250 min/wk. (n = 87; 36%; p = 0.40), but this percentage was significantly lower when compared to those engaging in <150 min/wk. (n = 176; 49%; p < 0.001). CONCLUSIONS: On average, PA differences were not observed between young adults assigned to small or large changes self-regulation interventions to prevent weight gain. Regardless of group assignment, higher levels of MVPA were associated with better weight gain prevention over 2 years. Our data suggest that achieving >150 min/week of MVPA is needed for weight gain prevention and that increasing MVPA, rather than steps, should be targeted. TRIAL REGISTRATION: www.clinicaltrials.gov (NCT01183689). Registered Aug 13, 2010. PMID- 29202852 TI - Nutrition education for cardiovascular disease prevention in individuals with spinal cord injuries: study protocol for a randomized controlled trial. AB - BACKGROUND: Individuals with chronic spinal cord injuries (SCIs) have an increased prevalence of cardiovascular disease (CVD) and associated risk factors compared with age-matched control subjects. Exercise has been shown to improve selected CVD risk factors in individuals with SCI, but using nutrition education as an intervention has not been evaluated in this population. This paper describes our research plan for evaluating the effect of nutrition education on individuals with SCI. In the present study, called Eat Smart, Live Better, we are using a randomized controlled design to test an intervention adapted from an existing evidence-based program that showed a positive effect on nutrition knowledge and behavior of older adults from the general population. There will be an inpatient group (n = 100) and a community group (n = 100). The aims of our study are to compare the intervention and control groups for (1) changes in nutritional behavior, nutritional knowledge, and dietary quality by participants in the program; (2) levels of adiposity and metabolic CVD risk factors at 12 month follow-up; and (3) differential effects among individuals with SCI in the acute rehabilitation setting and those living in the community. METHODS/DESIGN: This is a randomized controlled trial of nutrition education. The treatment groups receive six nutrition education sessions. The control groups receive the one "standard of care" nutrition lecture that is required by the Commission on Accreditation of Rehabilitation Facilities. Treatment groups include both an inpatient group, comprising patients who have been admitted to an acute rehabilitation facility because of their recent SCI, and an outpatient group, consisting of community-dwelling adults who are at least 1 year after their SCI. A total of 200 participants will be randomized 1:1 to the intervention or control group, stratified by location (acute rehabilitation facility or community dwelling). DISCUSSION: To our knowledge, this will be the first reported study of nutrition education in individuals with SCI. The low cost and feasibility of the intervention, if shown to improve nutritional behavior, suggests that it could be implemented in rehabilitation facilities across the country. This has the potential of lowering the burden of CVD and CVD risk factors in this high-risk population. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02368405 . Registered on February 10, 2015. PMID- 29202853 TI - Increased PKMzeta activity impedes lateral movement of GluA2-containing AMPA receptors. AB - Protein kinase M zeta (PKMzeta), a constitutively active, atypical protein kinase C isoform, maintains a high level of expression in the brain after the induction of learning and long-term potentiation (LTP). Further, its overexpression enhances long-term memory and LTP. Thus, multiple lines of evidence suggest a significant role for persistently elevated PKMzeta levels in long-term memory. The molecular mechanisms of how synaptic properties are regulated by the increase in PKMzeta, however, are still largely unknown. The alpha-amino-3-hydroxy-5 methyl-4-isoxazolepropionic acid (AMPA) receptor (AMPAR) mediates most of the fast glutamatergic synaptic transmission in the brain and is known to be critical for the expression of synaptic plasticity and memory. Importance of AMPAR trafficking has been implicated in PKMzeta-mediated cellular processes, but the detailed mechanisms, particularly in terms of regulation of AMPAR lateral movement, are not well understood. In the current study, using a single-molecule live imaging technique, we report that the overexpression of PKMzeta in hippocampal neurons immobilized GluA2-containing AMPARs, highlighting a potential novel mechanism by which PKMzeta may regulate memory and synaptic plasticity. PMID- 29202854 TI - Neuronal CCL2 expression drives inflammatory monocyte infiltration into the brain during acute virus infection. AB - BACKGROUND: Viral encephalitis is a dangerous compromise between the need to robustly clear pathogen from the brain and the need to protect neurons from bystander injury. Theiler's murine encephalomyelitis virus (TMEV) infection of C57Bl/6 mice is a model of viral encephalitis in which the compromise results in hippocampal damage and permanent neurological sequelae. We previously identified brain-infiltrating inflammatory monocytes as the primary driver of this hippocampal pathology, but the mechanisms involved in recruiting these cells to the brain were unclear. METHODS: Chemokine expression levels in the hippocampus were assessed by microarray, ELISA, RT-PCR, and immunofluorescence. Monocyte infiltration during acute TMEV infection was measured by flow cytometry. CCL2 levels were manipulated by immunodepletion and by specific removal from neurons in mice generated by crossing a line expressing the Cre recombinase behind the synapsin promoter to animals with floxed CCL2. RESULTS: Inoculation of the brain with TMEV induced hippocampal production of the proinflammatory chemokine CCL2 that peaked at 6 h postinfection, whereas inoculation with UV-inactivated TMEV did not elicit this response. Immunofluorescence revealed that hippocampal neurons expressed high levels of CCL2 at this timepoint. Genetic deletion of CCR2 and systemic immunodepletion of CCL2 abrogated or blunted the infiltration of inflammatory monocytes into the brain during acute infection. Specific genetic deletion of CCL2 from neurons reduced serum and hippocampal CCL2 levels and inhibited inflammatory monocyte infiltration into the brain. CONCLUSIONS: We conclude that intracranial inoculation with infectious TMEV rapidly induces the expression of CCL2 in neurons, and this cellular source is necessary for CCR2 dependent infiltration of inflammatory monocytes into the brain during the most acute stage of encephalitis. These findings highlight a unique role for neuronal production of chemokines in the initiation of leukocytic infiltration into the infected central nervous system. PMID- 29202855 TI - Soluble CD73 as biomarker in patients with metastatic melanoma patients treated with nivolumab. AB - BACKGROUND: Nivolumab is an anti-PD1 checkpoint inhibitor active in patients with advanced melanoma and as adjuvant therapy in high-risk metastatic melanoma patients. METHODS: In this single-center retrospective analysis, we investigated the CD73 enzyme activity in patients with metastatic melanoma stage IV and its correlation with the response to nivolumab. The soluble CD73 (sCD73) enzyme activity was measured in the serum of 37 melanoma patients before receiving nivolumab and the Harrel's C index was used to find the best cut-off for this biomarker. The multivariate Cox proportional hazard model was used to evaluate the prognostic value of CD73 enzyme activity for survival and progression-free survival. RESULTS: Our results show that high levels of sCD73 enzyme activity were significantly associated with poor overall survival and progression-free survival in patients with metastatic melanoma. The median progression-free survival was 2.6 months [95% confidence interval (CI) 1.9-3.3] in patients with high sCD73 enzyme activity (> 27.8 pmol/min/mg protein), and 14.2 months (95% CI 4.6-23.8) in patients with lower CD73 enzyme activity, when patients were follow up for a median of 24 months range. The median overall survival was not reached in patients with low sCD73 activity (< 27.8 pmol/min/mg protein) compared with 6.1 months (95% CI 0-14.8) in patients with higher sCD73 activity. In multivariate analyses, the sCD73 enzyme activity emerged as the strongest prognostic factor for overall survival and progression-free survival. Elevated basal levels of sCD73 enzyme activity, before starting nivolumab treatment, were associated with lower response rates to therapy. CONCLUSIONS: We observed a significant association between the activity of sCD73 in the blood and clinical outcomes in patients with metastatic melanoma stage IV, receiving nivolumab. Although our results need to be confirmed and validated, we suggest that sCD73 might be used as serologic prognostic biomarker. Potentially evaluating sCD73 enzyme activity in the peripheral blood before treatment could help to estimate the response to nivolumab. PMID- 29202857 TI - Medication adherence and its associated factors among diabetic patients at Zewditu Memorial Hospital, Addis Ababa, Ethiopia. AB - OBJECTIVE: Diabetes is a global problem with devastating human, social and economic impact. Anti-diabetic medications play a major role in the glycemic control of patients with diabetes. However, inadequate adherence compromises safety and treatment effectiveness, leading to increased mortality and morbidity. The aim of this study was to assess adherence to anti-diabetic medications and associated factors among patient with diabetes mellitus receiving care at Zewditu Memorial Hospital. RESULTS: Among the total of 146 diabetic patients (mean age 46.5 +/- 14.7), the level of adherence to anti diabetic medication was 54.8% (80) whilst 45.2% (66) of the participants were non adherent. Multiple logistic regression showed that knowledge of medication (AOR = 4.905, 95% CI 1.64-14.62, medication availability (AOR = 0.175, 95% CI 0.031-0.987) and education level (AOR = 13.65, 95% CI 1.45-128.456) were reasons for non-adherence. PMID- 29202856 TI - Sulfosuccinimidyl oleate sodium is neuroprotective and alleviates stroke-induced neuroinflammation. AB - BACKGROUND: Ischemic stroke is one of the main causes of death and disability worldwide. It is caused by the cessation of cerebral blood flow resulting in the insufficient delivery of glucose and oxygen to the neural tissue. The inflammatory response initiated by ischemic stroke in order to restore tissue homeostasis in the acute phase of stroke contributes to delayed brain damage. METHODS: By using in vitro models of neuroinflammation and in vivo model of permanent middle cerebral artery occlusion, we demonstrate the neuroprotective and anti-inflammatory effects of sulfosuccinimidyl oleate sodium (SSO). RESULTS: SSO significantly reduced the lipopolysaccharide/interferon-gamma-induced production of nitric oxide, interleukin-6 and tumor necrosis factor-alpha, and the protein levels of inflammatory enzymes including nitric oxide synthase 2, cyclooxygenase-2 (COX-2), and p38 mitogen-activated protein kinase (MAPK) in microglia, without causing cell toxicity. Although SSO failed to directly alleviate glutamate-induced excitotoxicity in murine cortical neurons, it prevented inflammation-induced neuronal death in microglia-neuron co-cultures. Importantly, oral administration of SSO in Balb/c mice subjected to permanent occlusion of the middle cerebral artery reduced microglial activation in the peri ischemic area and attenuated brain damage. This in vivo neuroprotective effect of SSO was associated with a reduction in the COX-2 and heme oxygenase-1 immunoreactivities. CONCLUSIONS: Our results suggest that SSO is an anti inflammatory and a possible therapeutic candidate in diseases such as stroke where inflammation is a central hallmark. PMID- 29202858 TI - Molecular and biochemical characterization of calmodulin from Echinococcus granulosus. AB - BACKGROUND: Echinococcus granulosus is a harmful cestode parasite that causes cystic echinococcosis in humans as well as various livestock species and wild animals. Calmodulin (CaM), a Ca2+ sensor protein, is widely expressed in eukaryotes and mediates a variety of cellular signaling activities. METHODS: In the present study, the cDNA encoding CaM in Echinococcus granulosus (rEgCaM) was successfully cloned and the molecular and biochemical characterizations carried out. The antigenicity and immunoreactivity of rEgCaM was detected and the preliminary enzyme-linked immunosorbent assay (ELISA)-based serodiagnostic potential of EgCaM was assessed. The locations of this protein in the adult worm and larval stage, and the mRNA expression in different states of E. granulosus protoscoleces (PSCs) were defined clearly. Moreover, the Ca2+-binding properties of EgCaM were measured. RESULTS: rEgCaM is a highly conserved calcium-binding protein, consisting of 149 amino acids. Immunoblotting analysis revealed that rEgCaM could be identified using E. granulosus infected sheep serum. The use of rEgCaM as an antigen was evaluated by indirect ELISA which exhibited a high sensitivity (90.3%), but low specificity (47.1%). rEgCaM was ubiquitously expressed in protoscoleces and adults of E. granulosus, as well as in the germinal layer of the cyst wall. The mRNA expression level of rEgCaM was increased from the start of H2O2 exposure and then gradually decreased because of the increased apoptosis of PSCs. In electrophoretic mobility tests and 1 anilinonaphthalene-8-sulfonic acid assays, rEgCaM showed a typical characteristic of a calcium-binding protein. CONCLUSIONS: To our knowledge, this is the first report on CaM from E. granulosus and rEgCaM is likely to be involved in some important biological function of E. granulosus as a calcium-binding protein. PMID- 29202859 TI - Complications of lumbar disc herniations following trans-sacral epiduroscopic lumbar decompression: a single-center, retrospective study. AB - BACKGROUND: Trans-sacral epiduroscopic lumbar decompression (SELD) is an emerging procedure for the treatment of lumbar disc herniation (LDH), with favorable outcomes having been reported. However, the complications associated with SELD have not been comprehensively evaluated to date. Therefore, the aim of our study was to describe the incidence rate, types, and characteristics of complications following SELD and management outcomes. METHODS: Retrospective analysis of the surgical and clinical outcomes for 127 patients (average age, 42.2 +/- 15.2 years) who underwent SELD for LDH at L2-3, L3-4, L4-5, and/or L5-S1, performed by a single experienced spine surgeon at a single center, between January 2015 and April 2017, was conducted. RESULTS: All procedures were successful, with a mean follow-up of 12.3 +/- 2.3 months. Complications were identified in 8 patients (6.3%), including 3 cases of incomplete decompression (2.4%), 2 cases of recurrent disc herniation (1.6%), and one case each of hematoma, dural tearing, and subchondral osteonecrosis (0.8%). Among these cases with complications, only 2 cases with incomplete decompression and one case with recurrent LDH did not improve with conservative treatment and required re-operation using an open approach. The rate of complications decreased from 12.6% when considering only the first 50 cases to 2.6% for cases 51-127. CONCLUSIONS: Incomplete decompression, recurrent herniation, epidural hematoma, dural tear, and subchondral osteonecrosis were identified as complications of SELD, although the overall rate of complications was low. Practice with the procedure and careful patient selection can lower the risk of complications. PMID- 29202860 TI - A giant popliteal lipoblastoma in a 23-month-old girl: a case report. AB - BACKGROUND: Lipoblastomas are rare benign tumors that arise from embryonic white fat and almost always occur in babies and children. Here, we report a case of a giant popliteal lipoblastoma in a 23-month-old Japanese girl that was successfully treated via complete resection. CASE PRESENTATION: Our patient was a 23-month-old Japanese girl. At 6 months of age, she presented at a nearby hospital with a mass on the popliteal side of her lower right leg. She had no symptoms and was diagnosed as having a benign adipose tumor via magnetic resonance imaging. The mass gradually increased in size, and she was referred to our hospital at 1 year and 11 months of age. A physical examination and radiology revealed a localized mass 13 * 10 * 7 cm in size in the aforementioned area that restricted knee movement and caused proximal tibia deformity. Magnetic resonance imaging showed a giant circumscribed subcutaneous mass with multiple partitions that was hyperintense on T1-weighted and T2-weighted images but not fat-saturated on T2-weighted images. Based on these findings, she was diagnosed as having a lipoblastoma. Because the mass surrounded her popliteal artery and vein and part of the popliteal nerve, surgical resection was considered risky, and we opted to simply observe her. However, owing to rapid growth of the mass and the worsening of symptoms, she underwent complete resection at 2 years and 6 months of age. A histological examination confirmed the diagnosis of a lipoblastoma. She was discharged from our hospital 3 days after surgery with no symptoms. She could walk without pain at the 6-month follow-up, and no local recurrence was observed. CONCLUSIONS: We successfully treated a giant popliteal lipoblastoma without complications by performing a total resection. Our report provides evidence that lipoblastomas should be considered for surgical resection when they progress or symptoms appear. PMID- 29202861 TI - The McMaster Toronto Arthritis patient preference questionnaire (MACTAR): a methodological study of reliability and minimal detectable change after a 6 week period of acupuncture treatment in patients with rheumatoid arthritis. AB - OBJECTIVES: The McMaster Toronto Arthritis patient preference questionnaire (MACTAR) is a semi-structured interview consisting of a baseline and a follow-up interview. The MACTAR baseline is reliable and valid, however the reliability of the MACTAR follow-up is scarcely described. The aim of this study was to describe aspects of reliability and ability to detect changes of the Swedish MACTAR follow up following acupuncture treatment in individuals with rheumatoid arthritis. RESULTS: The study was of Single Subject Experimental Design, with a 2-week non interventional A-phase and a 6-week intervention B-phase. Eight individuals with RA, age 30-68 years, were included. MACTAR baseline was performed once followed by five assessments with MACTAR follow-up during the A-phase and another ten assessments during the B-phase. Reliability statistics were calculated for measurements 1-3 during the A-phase and the ability to detect effects of acupuncture treatment was tested by celeration lines in the B-phase. The MACTAR follow-up was highly reliable (ICC = 0.7-0.9, SEM = 2.3-4.3, and SDD = 6.2-11.7). Visual and statistical analyses indicated that the MACTAR follow-up could detect effects on individual- and group levels after acupuncture treatment, indicating that the MACTAR follow-up seems to be reliable and is able to detect effects of acupuncture treatment in RA. PMID- 29202862 TI - Coping with Unusual ExperienceS for 12-18 year olds (CUES+): a transdiagnostic randomised controlled trial of the effectiveness of cognitive therapy in reducing distress associated with unusual experiences in adolescent mental health services: study protocol for a randomised controlled trial. AB - BACKGROUND: Childhood 'unusual experiences' (such as hearing voices that others cannot, or suspicions of being followed) are common, but can become more distressing during adolescence, especially for young people in contact with Child and Adolescent Mental Health Services (CAMHS). Unusual experiences that are distressing or have adverse life impact (UEDs) are associated with a range of current and future emotional, behavioural and mental health difficulties. Recommendations for psychological intervention are based on evidence from adult studies, with some support from small, pilot, child-specific evaluations. Research is needed to ensure that the recommendations suit children as well as adults. The CUES+ study (Coping with Unusual ExperienceS for 12-18 year olds) aims to find out whether cognitive behaviour therapy for UEDs (CBT-UED) is a helpful and cost-effective addition to usual community care for 12-18 year olds presenting to United Kingdom National Health Service Child and Adolescent Mental Health Services in four London boroughs. METHODS: The CUES+ study is a randomised controlled trial comparing CBT-UED plus routine care to routine care alone. CBT UED comprises up to 16 sessions, including up to 12 individual and up to four family support meetings, each lasting around 45-60 min, delivered weekly. The primary outcome is emotional distress. Secondary outcomes are change in UEDs, risk events (self-harm, attendance at emergency services, other adverse events) and health economic outcomes. Participants will be randomised in a 1:1 ratio after baseline assessment. Randomisation will be stratified by borough and by severity of mental health presentation: 'severe' (an identified psychotic or bipolar disorder) or any 'other' condition. Outcomes will be assessed by a trained assessor blind to treatment condition at 0, 16 and 24 weeks. Recruitment began in February, 2015 and is ongoing until the end of March, 2017. DISCUSSION: The CUES+ study will contribute to the currently limited child-specific evidence base for psychological interventions for UEDs occurring in the context of psychosis or any other mental health presentation. TRIAL REGISTRATION: International Standard Randomised Controlled Trials, ID: ISRCTN21802136 . Prospectively registered on 12 January 2015. Protocol V3 31 August 2015 with screening amended. PMID- 29202863 TI - A novel Family Dignity Intervention (FDI) for enhancing and informing holistic palliative care in Asia: study protocol for a randomized controlled trial. AB - BACKGROUND: The lack of a holistic approach to palliative care can lead to a fractured sense of dignity at the end of life, resulting in depression, hopelessness, feelings of being a burden to others, and the loss of the will to live among terminally ill patients. Building on the clinical foundation of Dignity Therapy, together with the empirical understanding of dignity-related concerns of Asian families facing terminal illness, a novel Family Dignity Intervention (FDI) has been developed for Asian palliative care. FDI comprises a recorded interview with a patient and their primary family caregiver, which is transcribed, edited into a legacy document, and returned to the dyads for sharing with the rest of the patient's family. The aims of this study are to assess the feasibility, acceptability and potential effectiveness of FDI in reducing psychosocial, emotional, spiritual, and psychophysiological distress in community dwelling and in-patient, Asian, older terminally ill patients and their families living in Singapore. METHODS/DESIGN: An open-label randomized controlled trial. One hundred and twenty-six patient-family dyads are randomly allocated to one of two groups: (1) an intervention group (FDI offered in addition to standard psychological care) and (2) a control group (standard psychological care). Both quantitative and qualitative outcomes are assessed in face-to-face interviews at baseline, 3 days and 2 weeks after intervention, as well as during an exit interview with family caregivers at 2 months post bereavement. Primary outcome measures include sense of dignity for patients and psychological distress for caregivers. Secondary outcomes include meaning in life, quality of life, spirituality, hopefulness, perceived support, and psychophysiological wellbeing, as well as bereavement outcomes for caregivers. Qualitative data are analyzed using the Framework method. DISCUSSION: To date, there is no available palliative care intervention for dignity enhancement in Asia. This first-of-its-kind study develops and tests an evidence-based, family driven, psycho-socio-spiritual intervention for enhancing dignity and wellbeing among Asian patients and families facing mortality. It addresses a critical gap in the provision of holistic palliative care. The expected outcomes will contribute to advancements in both theories and practices of palliative care for Singapore and its neighboring regions while serving to inform similar developments in other Asian communities. TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT03200730 . Registered on 26 June 2017. PMID- 29202864 TI - Consideration of non-canonical splice sites improves gene prediction on the Arabidopsis thaliana Niederzenz-1 genome sequence. AB - OBJECTIVE: The Arabidopsis thaliana Niederzenz-1 genome sequence was recently published with an ab initio gene prediction. In depth analysis of the predicted gene set revealed some errors involving genes with non-canonical splice sites in their introns. Since non-canonical splice sites are difficult to predict ab initio, we checked for options to improve the annotation by transferring annotation information from the recently released Columbia-0 reference genome sequence annotation Araport11. RESULTS: Incorporation of hints generated from Araport11 enabled the precise prediction of non-canonical splice sites. Manual inspection of RNA-Seq read mapping and RT-PCR were applied to validate the structural annotations of non-canonical splice sites. Predictions of untranslated regions were also updated by harnessing the potential of Araport11's information, which was generated by using high coverage RNA-Seq data. The improved gene set of the Nd-1 genome assembly (GeneSet_Nd-1_v1.1) was evaluated via comparison to the initial gene prediction (GeneSet_Nd-1_v1.0) as well as against Araport11 for the Col-0 reference genome sequence. GeneSet_Nd-1_v1.1 contains previously missed non canonical splice sites in 1256 genes. Reciprocal best hits for 24,527 (89.4%) of all nuclear Col-0 genes against the GeneSet_Nd-1_v1.1 indicate a high gene prediction quality. PMID- 29202865 TI - Prevalence and intensity of Schistosoma mansoni infections among schoolchildren attending primary schools in an urban setting in Southwest, Ethiopia. AB - OBJECTIVE: To determined both prevalence and intensity of Schistosoma mansoni infections among schoolchildren attending primary schools in Jimma town, an urban setting, Southwest, Ethiopia. RESULTS: The prevalence of S. mansoni infections was 8.4%. S. mansoni infections were found in all 17 schools, but the school prevalence ranged from 1.7 to 26.7%. This variation in prevalence could be explained by the proximity of the schools to the river crossing the town and water bodies near the schools. Boys were more infected compared to girls (chi 2 = 31.587, P value = 0.001; 95% CI), and the infection rate increased as a function of age (chi 2 = 21.187; P value = 0.001; 95 %CI). The majority of the infection intensities were of low intensity (57%), the mean number of eggs per stool equal to 17 eggs per gram of stool. Based on the prevalence (8.4%) school children in Jimma Town is considered as a low risk of morbidity caused by S. mansoni (prevalence <= 10% according to WHO threshold), for which it is recommended to implement MDA once every 3 years which should be supplemented with health information to create awareness about Schistosomiasis transmission. Male students were more infected than females with majority of the infection intensity were low. PMID- 29202866 TI - Tracheostomy decannulation methods and procedures in adults: a systematic scoping review protocol. AB - BACKGROUND: The indications for and the number of tracheostomy procedures has increased with advances in critical care. Studies are indicating likely continued increase in number of tracheostomies. Despite the important benefits of a tracheostomy, its presence is associated with adverse health complications and lowered patient quality of life. Hence, it must be decannulated as soon as it is no longer indicated in a safe and effective manner. There is, however, no agreed universal standard of care for tracheostomy decannulation (TD) in adults. The aims of our study are to systematically map the literature on the decannulation process, reveal knowledge gaps and inform further research. METHODS: The search strategy of this systematic scoping review will involve the following electronic databases: PubMed/MEDLINE, Google Scholar, Union Catalogue of Theses and Dissertations (UCTD) via SABINET Online and WorldCat Dissertations and Theses via OCLC. Articles will also be searched through the "Cited by" search as well as citations included in the reference lists of included articles. Studies from the databases will be title screened and duplicates removed followed by a parallel two-independent reviewer screening of abstracts followed by full articles of selected studies both guided by eligibility criteria. We will extract data from the included studies and the emerging themes will be analysed. The relationship of the emerging themes to the research question will be critically examined. The quality of the included studies will be determined by Mixed Method Appraisal Tool (MMAT). We will use NVIVO version 10 to extract the relevant outcomes and thematic analysis of the studies. DISCUSSION: We anticipate to find studies that highlight evidence and preference as well as acceptability of TD methods and procedures. We hope to expose knowledge gaps and inform future research. Findings will be disseminated electronically, in print and through peer presentation, conferences and congresses. SYSTEMATIC REVIEW REGISTRATION: Our systematic review has been registered in PROSPERO: CRD42017072050 . PMID- 29202867 TI - Testing the 4Rs and 2Ss Multiple Family Group intervention: study protocol for a randomized controlled trial. AB - BACKGROUND: Oppositional defiant disorder (ODD) is a major mental health concern and highly prevalent among children living in poverty-impacted communities. Despite that treatments for ODD are among the most effective, few children living in poverty receive these services due to substantial barriers to access, as well as difficulties in the uptake and sustained adoption of evidence-based practices (EBPs) in community settings. The purpose of this study is to examine implementation processes that impact uptake of an evidence-based practice for childhood ODD, and the impact of a Clinic Implementation Team (CIT)-driven structured adaptation to enhance its fit within the public mental health clinic setting. METHODS/DESIGN: This study, a Hybrid Type II effectiveness implementation research trial, blends clinical effectiveness and implementation research methods to examine the impact of the 4Rs and 2Ss Multiple Family Group (MFG) intervention, family level mediators of child outcomes, clinic/provider level mediators of implementation, and the impact of CITs on uptake and long-term utilization of this model. All New York City public outpatient mental health clinics have been invited to participate. A sampling procedure that included randomization at the agency level and a sub-study to examine the impact of clinic choice upon outcomes yielded a distribution of clinics across three study conditions. Quantitative data measuring child outcomes, organizational factors and implementation fidelity will be collected from caregivers and providers at baseline, 8, and 16 weeks from baseline, and 6 months from treatment completion. The expected participation is 134 clinics, 268 providers, and 2688 caregiver/child dyads. We will use mediation analysis with a multi-level Structural Equation Modeling (SEM) (MSEM including family level variables, provider variables, and clinic variables), as well as mediation tests to examine study hypotheses. DISCUSSION: The aim of the study is to generate knowledge about effectiveness and mediating factors in the treatment of ODDs in children in the context of family functioning, and to propose an innovative approach to the adaptation and implementation of new treatment interventions within clinic settings. The proposed CIT adaptation and implementation model has the potential to enhance implementation and sustainability, and ultimately increase the extent to which effective interventions are available and can impact children and families in need of services for serious behavior problems. TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT02715414 . Registered on 3 March 2016. PMID- 29202869 TI - Prognostic significance of hepatocyte growth factor activator inhibitor type 1 (HAI-1) immunoreactivity in pancreatic ductal adenocarcinoma. AB - OBJECTIVE: Hepatocyte growth factor activator inhibitor type 1 (HAI-1) is a membrane-bound serine protease inhibitor that is expressed on the surface of epithelial cells. Evidence has suggested that decreased cell surface HAI-1 in carcinoma cells results in enhanced invasiveness. However, little is known regarding the expression of HAI-1 in pancreatic ductal adenocarcinoma (PDAC). This study aimed to analyze HAI-1 expression in PDAC and its impact on patient prognosis. RESULTS: HAI-1 immunohistochemistry was performed on samples from 67 PDAC cases. HAI-1 expression was increased in intraepithelial neoplasia compared to the adjacent non-neoplastic ductal epithelium. Of the 67 samples tested, 58% (39/67) of PDAC cases showed diffuse (> 75%) immunoreactivity in PDAC cells. The remaining cases showed reduced HAI-1 immunoreactivity in a substantial number of cancer cells. Although there was no correlation between HAI-1 status and tumor size, histologic grade or lymph node metastasis, diffuse HAI-1 positive cases showed longer disease-free survival (DFS; p = 0.006, log-rank test). In conclusion, HAI-1 is upregulated in pancreatic intraepithelial neoplasia and broadly expressed in PDAC cells. However, PDAC cases having areas of reduced HAI 1 immunoreactivity may show shorter DFS. PMID- 29202868 TI - SP-A2 contributes to miRNA-mediated sex differences in response to oxidative stress: pro-inflammatory, anti-apoptotic, and anti-oxidant pathways are involved. AB - BACKGROUND: Human innate host defense molecules, surfactant protein A1 (SP-A1), and SP-A2 differentially affect the function and proteome of the alveolar macrophage (AM). We hypothesized that SP-A genes differentially regulate the AM miRNome. METHODS: Humanized transgenic mice expressing SP-A1 and SP-A2 were subjected to O3-induced oxidative stress (OxS) or filtered air (FA), AMs were isolated, and miRNA levels were measured. RESULTS: In SP-A2 males, we found significant changes in miRNome in terms of sex and sex-OxS effects, with 11 miRNAs differentially expressed under OxS. Their mRNA targets included BCL2, CAT, FOXO1, IL6, NF-kB, SOD2, and STAT3. We followed the expression of these transcripts as well as key cytokines, and we found that (a) the STAT3 mRNA significantly increased at 4 h post OxS and returned to baseline at 18 h post OxS. (b) The anti-oxidant protein SOD2 level significantly increased, but the CAT level did not change after 4 h post OxS compared to control. (c) The anti apoptotic BCL2 mRNA increased significantly (18 h post OxS), but the levels of the other transcripts were decreased. The presence of the SP-A2 gene had a protective role in apoptosis of AMs under OxS compared to mice lacking SP-A (knockout, KO). (d) Pro-inflammatory cytokine IL-6 protein levels were significantly increased in SP-A2 mice compared to KO (4 and 18 h post OxS), which signifies the role of SP-A2 in pro-inflammatory protein expression. (e) SOD2 and CAT mRNAs changed significantly in OxS indicating a plausible role of SP-A2 in the homeostasis of reactive oxygen species. (f) Gonadectomy of transgenic mice showed that sex hormones contribute to significant changes of the miRNome expression. CONCLUSIONS: We conclude that SP-A2 influences the miRNA-mediated sex specific differences in response to OxS. In males, these differences pertain to inflammatory, anti-apoptotic, and anti-oxidant pathways. PMID- 29202870 TI - Clinical predictors of chronic rhinosinusitis: do the Canadian clinical practice guidelines for acute and chronic rhinosinusitis predict CT-confirmation of disease? AB - BACKGROUND: The diagnosis of chronic rhinosinusitis (CRS) based on clinical presentation alone remains challenging. To improve the accuracy of clinical diagnosis, the Canadian Rhinosinusitis Guidelines recommend the use of specific symptom and endoscopic criteria. Our study objective was to determine whether symptom and endoscopic criteria, as defined by the Canadian Rhinosinusitis Guidelines, accurately predict CT-confirmed CRS diagnosis. METHODS: A retrospective cohort study of 126 patients who underwent CT sinuses based on clinical suspicion of possible CRS. The presence of symptom and endoscopic criteria, as defined by the Canadian Rhinosinusitis Guidelines, were compared between patients with and without a CT-confirmed CRS diagnosis using two-tailed Fisher's exact tests. Positive predictive values and likelihood ratios were determined for each symptom and endoscopic finding. RESULTS: Overall, 56.3% of patients had a CT-confirmed diagnosis of CRS. With the exception of nasal polyps, none of the symptom or endoscopic criteria had a statistically significant correlation with positive CT sinuses. For symptom criteria, positive predictive values ranged from 52.4% to 63.4%; likelihood ratios ranged from 0.85 to 1.34. For endoscopic criteria, positive predictive values and likelihood ratios were 71.4% and 1.94 (edema); 63.0% and 1.32 (discharge); and 92.9% and 10.1 (nasal polyps). 35.2% of patients with CT-confirmed CRS had normal endoscopic exams. CONCLUSION: The Canadian Rhinosinusitis Guidelines' symptom and endoscopic criteria for CRS, with the exception of nasal polyps on endoscopy, do not accurately predict CT-confirmed disease. In addition, a normal endoscopic exam does not rule out CRS. PMID- 29202871 TI - Mesenchymal stem cell-derived extracellular vesicles for kidney repair: current status and looming challenges. AB - Novel therapies are urgently needed to address the rising incidence and prevalence of acute kidney injury (AKI) and chronic kidney disease (CKD). Mesenchymal stem/stromal cells (MSCs) have shown promising results in experimental AKI and CKD, and have been used in the clinic for more than a decade with an excellent safety profile. The regenerative effects of MSCs do not rely on their differentiation and ability to replace damaged tissues, but are primarily mediated by the paracrine release of factors, including extracellular vesicles (EVs), composed of microvesicles and exosomes. MSC-derived EVs contain genetic and protein material that upon transferring to recipient cells can activate several repair mechanisms to ameliorate renal injury. Recent studies have shown that MSC-derived EV therapy improved renal outcomes in several animal models of AKI and CKD, including ischemia-reperfusion injury, drug/toxin-induced nephropathy, renovascular disease, ureteral obstruction, and subtotal nephrectomy. However, data about the renoprotective effects of EV therapy in patients with renal failure are scarce. This review summarizes current knowledge of MSC-derived EV therapy in experimental AKI and CKD, and discusses the challenges that need to be addressed in order to consider MSC-derived EVs as a realistic clinical tool to treat patients with these conditions. PMID- 29202872 TI - Patterns of HIV testing, drug use, and sexual behaviors in people who use drugs: findings from a community-based outreach program in Phnom Penh, Cambodia. AB - BACKGROUND: People who use drugs are an important priority for HIV programs. However, data related to their utilization of HIV services are limited. This paper reports patterns of HIV testing, drug use, and risk and service perception among people who use drugs. Study participants were receiving HIV and harm reduction services from a community-based program in Phnom Penh, comprised of itinerant peer-led outreach and static drop-in centers. METHODS: This was a mixed methods study conducted in 2014, comprising of a quantitative survey using a structured questionnaire, followed by two focus group discussions among a sub sample of survey participants. Participants were recruited from hotspots in five HIV high-burden communes using a two-stage cluster sampling method. Quantitative descriptive analyses and qualitative thematic analyses were performed. RESULTS: This study included 151 people who use drugs with a mean age of 31.2 (SD = 6.5) years; 77.5% were male and 39.1% were married. The most common drugs used were methamphetamines (72.8%) and heroin (39.7%), and 38.0% injected drugs in the past 3 months. Overall, 83.3% had been tested for HIV in the past 6 months, of whom 62.5% had been tested by peers through community-based outreach. However, there were ongoing HIV risks: 37.3% were engaging in sex on drugs, only 35.6% used a condom at last sexual intercourse, and 10.8% had had a sexually transmitted infection in the last 6 months. Among people who reported injecting drugs in the past 3 months, 27.5% reported re-using needles/syringes. Almost half (46.5%) perceived themselves as being at lower risk of HIV compared to the general population. Qualitative results contextualized the findings of low perception of HIV risks and suggested that although services were often unavailable on weekends, at night, or during national holidays, peer-led community-based outreach was highly accepted. CONCLUSIONS: A peer-led community-based approach was effective in reaching people who use drugs with HIV and harm reduction interventions. To mitigate ongoing HIV risks, expanding access to combination prevention interventions and implementing strategies to enable people who use drugs to objectively assess their HIV risks are required. Additionally, community based programs should collect data along the care continuum, to enable decentralized tracking of progress towards 90-90-90 goals at local levels. PMID- 29202873 TI - Gene expression in the chicken caecum is dependent on microbiota composition. AB - Gut microbiota is of considerable importance for each host. Despite this, germ free animals can be obtained and raised to sexual maturity and consequences of the presence or absence of gut microbiota on gene expression of the host remain uncharacterised. In this study, we performed an unbiased study of protein expression in the caecum of germ-free and colonised chickens. The major difference between these two groups was in the expression of immunoglobulins which were essentially absent in the germ-free chickens. Microbiota also caused a minor decrease in the expression of focal adhesion and extracellular matrix proteins and an increase in the expression of argininosuccinate synthase ASS1, redox potential sensing, fermentative metabolic processes and detoxification systems represented by sulfotransferases SULT1C3 or SULT1E1. Since we also analysed expression in the caecum of E. coli Nissle and E. faecium DSM7134 mono associated chickens, we concluded that at least immunoglobulin expression and expression of cystathionine synthase (CBS) was dependent on microbiota composition with E. coli Nissle stimulating more immunoglobulin and PIGR expression and E. faecium DSM7134 stimulating more CBS expression. Gut microbiota and its composition therefore affected protein expression in the chicken caecum though except for immunoglobulin production, the remaining differences were unexpectedly low. PMID- 29202874 TI - Sensitive detection of HIV-1 resistance to Zidovudine and impact on treatment outcomes in low- to middle-income countries. AB - BACKGROUND: Thymidine analogs, namely AZT (Zidovudine or RetrovirTM) and d4T (Stavudine or ZeritTM) are antiretroviral drugs still employed in over 75% of first line combination antiretroviral therapy (cART) in Kampala, Uganda despite aversion to prescribing these drugs for cART in high income countries due in part to adverse events. For this study, we explored how the continued use of these thymidine analogs in cART could impact emergence of drug resistance and impact on future treatment success in Uganda, a low-income country. METHODS: We examined the drug resistance genotypes by Sanger sequencing of 262 HIV-infected patients failing a first line combined antiretroviral treatment containing either AZT or d4T, which represents approximately 5% of the patients at the Joint Clinical Research Center receiving a AZT or d4T containing treatment. Next generation sequencing (DEEPGENTMHIV) and multiplex oligonucleotide ligation assays (AfriPOLA) were then performed on a subset of patient samples to detect low frequency drug resistant mutations. CD4 cell counts, viral RNA loads, and treatment changes were analyzed in a cohort of treatment success and failures. RESULTS: Over 80% of patients failing first line AZT/d4T-containing cART had predicted drug resistance to 3TC (Lamivudine) and non-nucleoside RT inhibitors (NNRTIs) in the treatment regimen but only 45% had resistance AZT/d4T associated resistance mutations (TAMs). TAMs were however detected at low frequency within the patients HIV quasispecies (1-20%) in 21 of 34 individuals who were failing first-line AZT-containing cART and lacked TAMs by Sanger. Due to lack of TAMs by Sanger, AZT was typically maintained in second-line therapies and these patients had a low frequency of subsequent virologic success. CONCLUSIONS: Our findings suggest that continued use of AZT and d4T in first-line treatment in low-to middle income countries may lead to misdiagnosis of HIV-1 drug resistance and possibly enhance a succession of second- and third-line treatment failures. PMID- 29202875 TI - Postoperative changes of the microbiome: are surgical complications related to the gut flora? A systematic review. AB - BACKGROUND: The purpose of this review was to identify the relationship between the gut microbiome and the development of postoperative complications like anastomotic leakage or a wound infection. Recent reviews focusing on underlying molecular biology suggested that postoperative complications might be influenced by the patients' gut flora. Therefore, a review focusing on the available clinical data is needed. METHODS: In January 2017 a systematic search was carried out in Medline and WebOfScience to identify all clinical studies, which investigated postoperative complications after gastrointestinal surgery in relation to the microbiome of the gut. RESULTS: Of 337 results 10 studies were included into this analysis after checking for eligibility. In total, the studies comprised 677 patients. All studies reported a postoperative change of the gut flora. In five studies the amount of bacteria decreased to different degrees after surgery, but only one study found a significant reduction. Surgical procedures tended to result in an increase of potentially pathogenic bacteria and a decrease of Lactobacilli and Bifidobacteria. The rate of infectious complications was lower in patients treated with probiotics/symbiotics compared to control groups without a clear relation to the systemic inflammatory response. The treatment with synbiotics/probiotics in addition resulted in faster recovery of bowel movement and a lower rate of postoperative diarrhea and abdominal cramping. CONCLUSIONS: There might be a relationship between the gut flora and the development of postoperative complications. Due to methodological shortcomings of the included studies and uncontrolled bias/confounding factors there remains a high level of uncertainty. PMID- 29202876 TI - Application of two-parameter scoliometer values for predicting scoliotic Cobb angle. AB - BACKGROUND: Adolescent idiopathic scoliosis, in which obvious curves are visible in radiographic images, is also seen in combination with lumps in the back. These lumps contribute to inclination, which can be measured by a scoliometer. To the authors' knowledge, there are no previous formulas combining thoracic and lumbar scoliometer values simultaneously to predict thoracic and lumbar Cobb angles, respectively. This study aimed to create more accurate two-parameter mathematical formulas for predicting thoracic and lumbar Cobb angles. METHODS: Between Dec. 2012 and Jan. 2013, patients diagnosed with idiopathic scoliosis in an outpatient clinic were enrolled. The maximal trunk rotations at the thoracic and lumbar regions were recorded with a scoliometer. Right asymmetry hump was deemed positive (+), and left asymmetry hump was deemed negative (-). The Cobb angles were measured with a Picture Archiving and Communication System. Statistical analysis included Pearson's correlation coefficient, multivariate regression and Bland-Atman analysis. RESULTS: One-hundred and one patients were enrolled in our study. The average thoracic curve (TC) was 23.3 +/- 1.8 degrees , while the average lumbar curve (LC) was - 23.3 +/- 1.4 degrees . The thoracic inclination (TI) and lumbar inclination (LI) were 4.5 +/- 0.7 and - 5.9 +/- 0.6, respectively. The one-parameter formula for the thoracic curve was TC = 2.0 TI + 14.3 (r = 0.813); for the lumbar curve, it was LC = 0.9 LI - 16.9 (r = 0.409). By multivariate regression, the two-parameter formulas for the thoracic and lumbar curves were TC = 2.6 TI - 1.4 LI (r = 0.931) and LC = - 1.5 TI + 2.0 LI (r = 0.874), respectively. The two-parameter formulas were more accurate than the one parameter formulas. CONCLUSIONS: Based on the results of these two-parameter formulas for thoracic and lumbar curves, the Cobb angles can be predicted more accurately by the readings of the scoliometer. Physicians and other healthcare practitioners can thus evaluate patients with scoliosis more precisely than before with a scoliometer. PMID- 29202877 TI - Folate receptor-targeted molecular imaging improves identification of malignancy during pulmonary resection: a case report. AB - BACKGROUND: During minimally invasive pulmonary resection, both limited visualization and tactile feedback can make localization of pulmonary nodules and assessment for synchronous disease challenging. Intraoperative molecular imaging is an emerging technology that can enhance a surgeon's ability to detect cancers at the time of resection. CASE PRESENTATION: In this report, we describe the application of a folate receptor-targeted, near infrared optical contrast agent (OTL38) for the detection of an invasive pulmonary adenocarcinoma. During molecular imaging, an otherwise undetectable synchronous nodule was also identified. This finding resulted in intraoperative upstaging and operative plan modifications. CONCLUSION: This report marks the first successful utilization of a targeted, near infrared intraoperative molecular imaging probe useful for thoracic malignancies. This rapidly evolving technology may enhance the surgeon's ability to perform a number of oncologic procedures including tumor localization, margin assessment and intraoperative staging. PMID- 29202878 TI - Translation, cross-cultural adaptation and psychometric properties of the Nepali versions of numerical pain rating scale and global rating of change. AB - BACKGROUND: Pain intensity and patients' impression of global improvement are widely used patient-reported outcome measures (PROMs) in clinical practice and research. They are commonly assessed using the Numerical Pain Rating Scale (NPRS) and Global Rating of Change (GROC) questionnaires. The GROC is essential as an anchor for evaluating the psychometric properties of PROMs. Both of these PROMs are translated to many languages and have shown excellent psychometric properties. Their availability in Nepali would facilitate pain research and cross cultural comparison of research findings. Therefore, the objectives of this study were to translate and cross-culturally adapt the NPRS and GROC into Nepali and to assess the psychometric properties of the Nepali version of the NPRS (NPRS-NP). METHODS: After translating and cross-culturally adapting the NPRS and GROC into Nepali using recommended guidelines, NPRS-NP was administered to 104 individuals with musculoskeletal pain twice. The Nepali version of the GROC (GROC-NP) was administered at the follow-up for anchor-based assessment. (1) Test-retest reliability and minimum detectable change (MDC) among the stable group, (2) construct validity (by single sample t-test within the improved group and independent sample t-test between groups), and (3) concurrent validity were assessed. Receiver operating characteristic (ROC) curves were plotted to determine the responsiveness of the NPRS-NP using the area under the curve (AUC), and minimum important changes (MIC) for small, medium and large improvements. RESULTS: Significant cultural adaptations were required to obtain relevant Nepali versions of both the NPRS and GROC. The NPRS-NP showed excellent test-retest reliability and a MDC of 1.13 points. NPRS-NP demonstrated a good construct validity by significant within-group difference in mean of NPRS score- t(63)= 7.57, P < 0.001 and statistically significant difference of mean score- t(98)= 4.24, P < .001 between the stable and improved groups. It demonstrated moderate concurrent correlation with the GROC-NP; r = 0.43, P < 0.01. Responsiveness of the NPRS-NP was shown at three levels with AUC = 0.68-0.82, and MIC = 1.17-1.33. CONCLUSIONS: The NPRS and GROC were successfully translated and culturally adapted into Nepali. The NPRS-NP demonstrated good reliability, validity and responsiveness in assessing musculoskeletal pain intensity in a Nepali population. PMID- 29202879 TI - The effect of prone and supine treatment positions for the pre-operative treatment of rectal cancer on organ-at-risk sparing and setup reproducibility using volumetric modulated arc therapy. AB - BACKGROUND AND PURPOSE: To compare organ-at-risk doses and setup reproducibility using the prone and supine orientations in volumetric modulated arc therapy (VMAT) for rectal cancer. MATERIALS AND METHODS: Seventeen consecutive rectal cancer patients undergoing preoperative radiation were selected and setup in either the prone (N = 8) or supine (N = 9) position. All patients were treated using posteriorly-applied VMAT. Bladder and small bowel dose and cone beam CT (CBCT) reproducibility metrics were retrospectively collected. RESULTS: Dose metrics for bladder and small bowel did not show significant differences between the prone and supine orientations. The prone data had a trend for smaller irradiated volumes than supine for the small bowel at lower doses-V20 (prone: 135 +/- 99 cm3; supine: 201 +/- 162 cm3) and V30 (prone: 78 +/- 71 cm3; supine: 105 +/- 106 cm3). At higher doses, the trend reversed as exemplified by the small bowel V50.4 (prone: 20 +/- 28 cm3; supine: 10 +/- 14 cm3). CBCT data showed that rotational errors in pitch and roll were significantly larger for the prone vs. supine orientation (pitch: 2.0 degrees +/- 1.3 degrees vs. 0.8 degrees +/- 1.1 degrees p < 0.001; roll: 1.0 degrees +/- 0.9 degrees vs. 0.3 degrees +/- 0.5 degrees , p < 0.001). CONCLUSIONS: Bladder and small bowel doses were not significantly different when comparing VMAT plans developed for the prone and supine orientations. The supine orientation demonstrated improved setup reproducibility. PMID- 29202880 TI - A retrospective study on tuberculosis treatment outcomes at Jinka General Hospital, southern Ethiopia. AB - OBJECTIVE: Information on tuberculosis (TB) treatment outcomes would be useful for the improvement of the TB control program. The aim of the present study was to evaluate treatment outcomes of TB and identify associated factors in TB patients at the Jinka General Hospital (JGH), remote Zone of Ethiopia. RESULT: The result showed that 13.1% (154/1172) of the cases were cured, 60.9% treatment completed, 10.2% died and 9.1% were lost to follow-up. Thus, the overall treatment success rate was 74%. Male patients [AOR = 0.70 (0.52-0.93)] and HIV co infected patients [AOR = 0.67 (0.45-0.98)] were associated with unsuccessful treatment outcomes. PMID- 29202881 TI - Modifiable lifestyle risk factors for stroke among a high risk hypertensive population in Greater Kampala, Uganda; a cross-sectional study. AB - OBJECTIVE: To describe the modifiable lifestyle risk factors for stroke among a high risk population for stroke. Africa suffers from rapid population growth, adoption of harmful western diets, and increased prevalence of hypertension and obesity. RESULTS: A total of 440 study participants were screened and 87 individuals with hypertension plus at least one other known stroke risk factor were enrolled. The prevalence of hypertension and diabetes mellitus in the screened population was 19.7 and 1.8%, respectively. Among those with hypertension only 2.3% (2/87) had ever had serum lipid assessment. Seventy-two percent (68/87) had very high serum LDL-cholesterol, while 33.3% (29/87) had low levels of HDL-cholesterol, and 67.8% had mean blood pressures greater than 160/100 mmHg and 40% (35/87) were obese, with a BMI >=30. Targeting individuals with modifiable stroke risk factors and implementing self-management programs may be a way to reduce stroke burden in Uganda. PMID- 29202882 TI - Age and seasons influence on at-home pulse oximetry results in children evaluated for suspected obstructive sleep apnea. AB - BACKGROUND: Seasonal variability on obstructive sleep apnea has already been studied by polysomnography in children. Winter and spring season emerged as critical periods. No data are currently available for pulse oximetry performed at home. The aim of our study was to evaluate the effect of seasonality and age on the results of at-home pulse oximetry performed in children referred for suspected OSA. METHODS: We retrospectively studied 781 children (64.3% Males), aged 4.9 +/- 2.5 years. For all patients, we evaluated both pulse oximetry metrics and the McGill Oximetry Score. Variables for seasonal groups were assessed using Kruskal-Wallis test. A logistic regression model was performed to assess the relationship between patients' main characteristics, season period and the likelihood to have an abnormal McGill Oximetry Score. RESULTS: Patients recorded during winter were significantly younger (p < 0.02), nadir SpO2 was significantly lower (p < 0.002) and DI4 significantly higher than during others seasons (p < 0.005). Moreover, patients recorded during winter were nearly 2 times more likely to have an abnormal MOS (aOR 1.949). The logistic regression showed that also younger age (p < 0.0001) was associated with a higher risk to find an abnormal pulse oximetry. CONCLUSIONS: In our study, the winter season confirms to be a critical period for pulse-oximetry and it should be taken into account by clinicians for a correct interpretation of tests. Our data show that also younger age affects the prevalence of abnormal at-home pulse oximetry in children. PMID- 29202884 TI - Do Experts Understand Performance Measures? A Mixed-Methods Study of Infection Preventionists. AB - : OBJECTIVE Central line-associated bloodstream infection (CLABSI) is associated with significant morbidity and mortality. Despite a nationwide decline in CLABSI rates, individual hospital success in preventing CLABSI is variable. Difficulty in interpreting and applying complex CLABSI metrics may explain this problem. Therefore, we assessed expert interpretation of CLABSI quality data. DESIGN: Cross-sectional survey PARTICIPANTS. Members of the Society for Healthcare Epidemiology of America (SHEA) Research Network (SRN) METHODS. We administered a 10-item test of CLABSI data comprehension. The primary outcome was percent correct of attempted questions pertaining to the CLABSI data. We also assessed expert perceptions of CLABSI reporting. RESULTS The response rate was 51% (n=67).Among experts, the average proportion of correct responses was 73% (95% confidence interval [CI], 69%-77%). Expert performance on unadjusted data was significantly better than risk-adjusted data (86% [95% CI, 81%-90%] vs 65% [95% CI, 60%-70%]; P<.001). Using a scale of 1 to 100 (0, never reliable; 100, always reliable), experts rated the reliability of CLABSI data as 61. Perceived reliability showed a significant inverse relationship with performance (r=-0.28; P=.03), and as interpretation of data improved, perceptions regarding reliability of those data decreased. Experts identified concerns regarding understanding and applying CLABSI definitions as barriers to care. CONCLUSIONS Significant variability in the interpretation of CLABSI data exists among experts. This finding is likely related to data complexity, particularly with respect to risk adjusted data. Improvements appear necessary in data sharing and public policy efforts to account for this complexity. Infect Control Hosp Epidemiol 2018;39:71 76. PMID- 29202883 TI - Sexual health, risky sexual behavior and condom use among adolescents young adults and older adults in Chiang Mai, Thailand: findings from a population based survey. AB - BACKGROUND: Sexual health is one of the key dimensions of health across all ages. Understanding risky sexual behaviors remains an important area of public health research. This study aimed to explore sexual health, risky sexual behaviors and factors associated with recent condom use as condom use is considered a main intervention proven to reduce negative health consequences of risky sexual behaviors, specifically related to sexually transmitted infections and unintended pregnancies. A stratified two-stage cluster sampling technique survey was conducted in Chiang Mai, Thailand. Information was obtained about age of first sexual intercourse, sexual activity, condom use, number of partners and history of drug/alcohol use prior to sexual activities within the past 3 months. A weighted analysis was performed to account for data clustering. RESULTS: It is estimated that most men (93%) and women (86%) in Chiang Mai have engaged in sexual intercourse. More than 70% of the people in Chiang Mai over age 30 remained sexually active in the past 3 months, even for populations over age 50. Eight percent of male teenagers reported having more than one sexual partner in the past 3 months. Regular condom use was reported in less than 5% of the population (6.6% men and 3.1% women). CONCLUSIONS: Our study demonstrated that sexual health is an important public health issue across all age groups. Condom use has been promoted as one way to minimize and prevent unintended consequences of sexual behavior but overall use remains low. PMID- 29202885 TI - The COMMAND trial of cognitive therapy to prevent harmful compliance with command hallucinations: predictors of outcome and mediators of change. AB - BACKGROUND: Acting on harmful command hallucinations is a major clinical concern. Our COMMAND CBT trial approximately halved the rate of harmful compliance (OR = 0.45, 95% CI 0.23-0.88, p = 0.021). The focus of the therapy was a single mechanism, the power dimension of voice appraisal, was also significantly reduced. We hypothesised that voice power differential (between voice and voice hearer) was the mediator of the treatment effect. METHODS: The trial sample (n = 197) was used. A logistic regression model predicting 18-month compliance was used to identify predictors, and an exploratory principal component analysis (PCA) of baseline variables used as potential predictors (confounders) in their own right. Stata's paramed command used to obtain estimates of the direct, indirect and total effects of treatment. RESULTS: Voice omnipotence was the best predictor although the PCA identified a highly predictive cognitive-affective dimension comprising: voices' power, childhood trauma, depression and self-harm. In the mediation analysis, the indirect effect of treatment was fully explained by its effect on the hypothesised mediator: voice power differential. CONCLUSION: Voice power and treatment allocation were the best predictors of harmful compliance up to 18 months; post-treatment, voice power differential measured at nine months was the mediator of the effect of treatment on compliance at 18 months. PMID- 29202886 TI - Rhythm and rate control of atrial fibrillation in the emergency department - A large community-based observational study. AB - OBJECTIVE: Atrial fibrillation (AF) is the most common arrhythmia presentation to the emergency department (ED) and frequently results in admission to the hospital. Although rarely life-threatening and not usually an emergent condition, AF places a large burden on our health-care system. The objective of this study was to describe the practices of ED physicians in the management of AF in a large urban Canadian city. METHODS: From January 1, 2010 to December 31, 2010, patients with a primary diagnosis of AF were identified across 10 EDs in Toronto, Canada (N=2,609). Fifty patients were selected at random from each hospital for a detailed chart review (n=500). RESULTS: Two hundred thirty-two patients (46%) received rate control, and 129 (26%) received rhythm control with the remainder (28%) receiving neither therapy. Sixty-seven percent of patients were discharged home. Most patients (79%) were symptomatic on arrival; however, only a minority of these (31%) received rhythm control. Factors that were associated with rhythm control included younger age, duration of palpitations <= 48 hours, a lower CHADS2 score, and the absence of left ventricular dysfunction. CONCLUSION: Our data suggest a wide range of practice amongst ED physicians treating patients presenting to the ED with a primary diagnosis of AF. A randomized trial is needed to better understand the optimal management strategy in this patient population and setting. PMID- 29202887 TI - The effects of gelled konjac glucomannan fibre on appetite and energy intake in healthy individuals: a randomised cross-over trial. AB - Konjac glucomannan (KGM) is a viscous dietary fibre that can form a solid, low energy gel when hydrated and is commonly consumed in a noodle form (KGM-gel). Increased meal viscosity from gel-forming fibres have been associated with prolonged satiety, but no studies to date have evaluated this effect with KGM gel. Thus, our objective was to evaluate subsequent food intake and satiety of KGM-gel noodles when replacing a high-carbohydrate preload, in a dose-response manner. Utilising a randomised, controlled, cross-over design, sixteen healthy individuals (twelve females/four males; age: 26.0 (sd 11.8) years; BMI: 23.1 (sd 3.2) kg/m2) received 325 ml volume-matched preloads of three KGM-gel noodle substitution levels: (i) all pasta with no KGM-gel (1849 kJ (442 kcal), control), half pasta and half KGM-gel (1084 kJ (259 kcal), 50-KGM) or no pasta and all KGM gel (322 kJ (77 kcal), 100-KGM). Satiety was assessed over 90 min followed by an ad libitum dessert. Compared with control, cumulative energy intake was 47 % ( 1761 kJ (-421 kcal)) and 23 % (-841 kJ (-201 kcal)) lower for 100-KGM and 50-KGM, respectively (both P<0.001), but no differences in subsequent energy intake was observed. Ratings of hunger were 31 % higher (P=0.03) for 100-KGM when compared with control, and were 19 % lower (P=0.04) for fullness and 28 % higher (P=0.04) for prospective consumption when comparing 100-KGM to 50-KGM. Palatability was similar across all treatments. Replacement of a high-carbohydrate preload with low-energy KGM-gel noodles did not promote additional food intake despite large differences in energy. The energy deficit incurred from partial KGM-gel substitution may have relevance in weight loss regimens, and should be further evaluated beyond the healthy population. PMID- 29202888 TI - Octreotide for the treatment of intentional insulin aspart overdose in a non diabetic patient. AB - Intentional insulin overdose may lead to severe and refractory hypoglycemia. Exogenous dextrose administration is the mainstay of therapy for these patients and is effective in most cases. However, in patients with a functional pancreas, exogenous dextrose administration may precipitate endogenous insulin release leading to rebound hypoglycemia. We describe a case report of a 41-year-old woman who injected 300 units of insulin aspart with suicidal intent. Her initial blood glucose was 2.3 mmol/L (41 mg/dL). Over the next 12 hours, she experienced recurrent hypoglycemic episodes despite 10% dextrose infusions and 14 ampoules of 50% dextrose. Our patient experienced complications, including peripheral edema, related to the large volumes of intravenous dextrose required to attempt to maintain euglycemia. Octreotide, a somatostatin analogue, may help prevent dextrose-induced hypoglycemia and improve the management in select insulin overdose patients; large infusion volumes resulted in significant peripheral edema. Treatment with octreotide was initiated 12.5 hours post-injection and was followed by a stabilization of blood glucose concentration in this non-diabetic patient. PMID- 29202889 TI - Rapid protein disappearance rates along the small intestine advantage poultry performance and influence the post-enteral availability of amino acids. AB - A foundation diet, an intermediate blend and a summit diet were formulated with different levels of soyabean meal, casein and crystalline amino acids to compare 'slow' and 'rapid' protein diets. The diets were offered to male Ross 308 chicks from 7 to 28 d post-hatch and assessed parameters included growth performance, nutrient utilisation, apparent digestibility coefficients and disappearance rates of starch and protein (N) in four small intestinal segments. Digestibility coefficients and disappearance rates of sixteen amino acids in three small intestinal segments and amino acid concentrations in plasma from portal and systemic circulations from the foundation and summit diets were determined. The dietary transition significantly accelerated protein (N) disappearance rates in the distal jejunum and ileum. The transition from foundation to summit diets significantly increased starch digestibility coefficients in the ileum and disappearance rates in all four small intestinal segments. These starch responses were associated with significant enhancements in nutrient utilisation. The dietary transition linearly increased digestibility coefficients and disappearance rates of amino acids in the majority of cases. The summit diet increased plasma concentrations of five amino acids but decreased those of four amino acids relative to the foundation diet to significant extents. Plasma concentrations of free amino acids were higher in the portal than systemic circulations. Rapid protein disappearance rates advantaged poultry performance and influenced post-enteral availability of amino acids. If the underlying mechanisms are to be identified, further research into the impact of protein digestive dynamics on broiler performance is required but appears justified. PMID- 29202890 TI - The validity of a web-based FFQ assessed by doubly labelled water and multiple 24 h recalls. AB - The aim of this study was to validate the estimated habitual dietary intake from a newly developed web-based FFQ (WebFFQ), for use in an adult population in Norway. In total, ninety-two individuals were recruited. Total energy expenditure (TEE) measured by doubly labelled water was used as the reference method for energy intake (EI) in a subsample of twenty-nine women, and multiple 24-h recalls (24HR) were used as the reference method for the relative validation of macronutrients and food groups in the entire sample. Absolute differences, ratios, crude and deattenuated correlations, cross-classifications, Bland-Altman plot and plots between misreporting of EI (EI-TEE) and the relative misreporting of food groups (WebFFQ-24HR) were used to assess the validity. Results showed that EI on group level was not significantly different from TEE measured by doubly labelled water (0.7 MJ/d), but ranking abilities were poor (r -0.18). The relative validation showed an overestimation for the majority of the variables using absolute intakes, especially for the food groups 'vegetables' and 'fish and shellfish', but an improved agreement between the test and reference tool was observed for energy adjusted intakes. Deattenuated correlation coefficients were between 0.22 and 0.89, and low levels of grossly misclassified individuals (0-3 %) were observed for the majority of the energy adjusted variables for macronutrients and food groups. In conclusion, energy estimates from the WebFFQ should be used with caution, but the estimated absolute intakes on group level and ranking abilities seem acceptable for macronutrients and most food groups. PMID- 29202891 TI - Impact of different approaches of primary care mental health on the prevalence of mental disorders. AB - : AimTo compare the impact of three different approaches to primary care mental health on the prevalence of mental disorders. BACKGROUND: Millions of people suffer from mental disorders. As entry point into the health service, primary healthcare plays an important role in providing mental health prevention and treatment. METHODS: Random sample of households in three different areas of the city of Ribeirao Preto (state of Sao Paulo, Brazil) were selected, and 20 trained medical students conducted interviews using a mental health screening instrument, the Mini-Screening of Mental Disorders, and a socio-demographic datasheet. Primary care mental health was provided in each area through a specific approach. The influence of the area of residence and the socio-demographic variables on the prevalence of mental disorder was explored and analyzed by univariate binary logistic regression and then by a multiple logistic regression model.FindingsA total of 1545 subjects were interviewed. Comparison between the three areas showed a significantly higher number of people with mental disorders in the area covered by the primary care team that did not have physicians with specific primary care mental health training, even when this association was adjusted for the influence of age, education, and socio-economic status.Our results suggest that residing in areas with family physicians with mental health training is associated with a lower prevalence of mental disorders. PMID- 29202892 TI - Risk Factors for Extended-Spectrum Beta-Lactamase-Producing Enterobacteriaceae Carriage Upon Pediatric Intensive Care Unit Admission. PMID- 29202893 TI - The role of the early social environment on Epstein Barr virus infection: a prospective observational design using the Millennium Cohort Study. AB - : Epstein-Barr virus (EBV) is a highly prevalent herpesvirus linked to infectious mononucleosis and several malignancies. This paper aims to study the association between children's early life social environment at 9 months and EBV infection at 3 years of age. METHODS: We used data on children included in the UK Millennium Cohort Study. We described the social environment using area-level and material factors as well as socioeconomic position (SEP) at 9 months. EBV was measured at 3 years of age (n = 12 457). RESULTS: Lower rates of EBV infection were observed in children living in towns and rural areas compared with those living in cities. Lower SEP and overcrowding in the household increased the odds of being infected. Children whose parents were social tenants were more likely to be infected than homeowners. In the overall model, the strength of the association between material factors and EBV infection weakened. CONCLUSIONS: We showed that early life material deprivation was associated with a higher risk of EBV infection among 3-year-olds. Children living in more deprived social conditions may be more likely to become EBV carriers at an earlier age. PMID- 29202894 TI - Failure to detect the action of antidepressants in the forced swim test in Swiss mice. AB - OBJECTIVE: The aims of this study were to replicate previously published experiments and to modify the protocol to detect the effects of chronic antidepressant treatment in mice. METHODS: Male Swiss mice (n=6-8/group) housed in reversed light/dark cycle were randomly assigned into receive vehicle (10% sucrose), sub-effective doses (1 and 3 mg/kg) or effective doses (10 and 30 mg/kg) of bupropion, desipramine, and fluoxetine and a candidate antidepressant, sodium butyrate (1-30 mg/kg) per gavage (p.o.) 1 h before the forced swim test (FST). Treatments continued daily for 7 and 14 days during retests 1 and 2, respectively. In an additional experiment, mice received fluoxetine (20 mg/kg) or vehicle (10% sucrose or 0.9% saline) p.o. or i.p. before the FST. Mice housed in reversed or standard light/dark cycles received fluoxetine (20 mg/kg) prior FST. Video recordings of behavioural testing were used for blind assessment of the outcomes. RESULTS: According to the expected, doses of antidepressants considered sub-effective failed to affect the immobility time of mice in the FST. Surprisingly, acute and chronic treatment with the high doses of bupropion, desipramine, and fluoxetine or sodium butyrate also failed to reduce the immobility time of mice in the FST. Fluoxetine 20 mg/kg was also ineffective in the FST when injected i.p. or in mice housed in normal light/dark cycle. CONCLUSION: Data suggest the lack of efficacy of orally administered bupropion, desipramine, fluoxetine in the FST in Swiss mice. High variability, due to high and low immobility mice, may explain the limited effects of the treatments. PMID- 29202895 TI - Bilateral ischaemic lesions of the medial prefrontal cortex are anxiogenic in the rat. AB - OBJECTIVE: Stroke patients often suffer from delayed disturbances of mood and cognition. In rodents, the prefrontal cortex (PFC) is involved in both higher order cognition and emotion. Our objective was to determine if bilateral focal ischaemic lesions restricted to the medial prefrontal cortex (mPFC) could be used to model post-stroke anxiety and/or cognitive deficits. METHODS: Groups of adult male Sprague-Dawley rats (n=9) received bilateral injections of either endothelin 1 (ET-1) (400 pmol) or vehicle (artificial cerebrospinal fluid) into the mPFC and were tested at various times using both a test of temporal order memory and in an elevated plus maze. Lesions were verified histologically. RESULTS: ET-1 lesioned rats had reduced mobility on post-surgery day 8 that had resolved by day 29 at which time they spent significantly more time in the closed arm of the plus maze CONCLUSION: We conclude that ischaemic lesions localised to the mPFC can be used to model post-stroke anxiety in rats. PMID- 29202896 TI - Letter to the Editor: Affordable virtual reality tools for the treatment of mental health problems. PMID- 29202897 TI - Prevalence of MRSA ST398 Carriage in Nursing Home Residents in an Area of Spain With a High Density of Pig Farming. AB - MRSA nasal carriage was detected in 15.7% of 204 residents from 6 nursing homes (NHs) in the Osona region (Barcelona, Spain), and the MRSA-ST398 lineage was identified in 15.6% of MRSA-positive residents and in 2.5% of all NH residents evaluated. Most MRSA-ST398 carriers (4 of 5) had direct or indirect contact with pig farms. Infect Control Hosp Epidemiol 2018;39:90-93. PMID- 29202898 TI - Isolated psychosis during exposure to very high and extreme altitude - characterisation of a new medical entity. AB - BACKGROUND: Psychotic episodes during exposure to very high or extreme altitude have been frequently reported in mountain literature, but not systematically analysed and acknowledged as a distinct clinical entity. METHODS: Episodes reported above 3500 m altitude with possible psychosis were collected from the lay literature and provide the basis for this observational study. Dimensional criteria of the Diagnostic and Statistical Manual of Mental Disorders were used for psychosis, and the Lake Louise Scoring criteria for acute mountain sickness and high-altitude cerebral oedema (HACE). Eighty-three of the episodes collected underwent a cluster analysis to identify similar groups. Ratings were done by two independent, trained researchers (kappa values 0.6-1).FindingsCluster 1 included 51% (42/83) episodes without psychosis; cluster 2 22% (18/83) cases with psychosis, plus symptoms of HACE or mental status change from other origins; and cluster 3 28% (23/83) episodes with isolated psychosis. Possible risk factors of psychosis and associated somatic symptoms were analysed between the three clusters and revealed differences regarding the factors 'starvation' (chi2 test, p = 0.002), 'frostbite' (p = 0.024) and 'supplemental oxygen' (p = 0.046). Episodes with psychosis were reversible but associated with near accidents and accidents (p = 0.007, odds ratio 4.44). CONCLUSIONS: Episodes of psychosis during exposure to high altitude are frequently reported, but have not been specifically examined or assigned to medical diagnoses. In addition to the risk of suffering from somatic mountain illnesses, climbers and workers at high altitude should be aware of the potential occurrence of psychotic episodes, the associated risks and respective coping strategies. PMID- 29202899 TI - Assessment of Recovery of Milk Protein Allergens from Processed Food for Mass Spectrometry Quantification. AB - Assessing the recovery of food allergens from solid processed matrixes is one of the most difficult steps that needs to be overcome to enable the accurate quantification of protein allergens by immunoassay and MS. A feasibility study is described herein applying International System of Units (SI)-traceably quantified milk protein solutions to assess recovery by an improved extraction method. Untargeted MS analysis suggests that this novel extraction method can be further developed to provide high recoveries for a broad range of food allergens. A solution of alpha-casein was traceably quantified to the SI for the content of alpha-S1 casein. Cookie dough was prepared by spiking a known amount of the SI traceable quantified solution into a mixture of flour, sugar, and soya spread, followed by baking. A novel method for the extraction of protein food allergens from solid matrixes based on proteolytic digestion was developed, and its performance was compared with the performance of methods reported in the literature. PMID- 29202900 TI - Food Allergen Labeling: A Latin American Approach. AB - Food allergy is a public health concern almost all over the world. Although most of the countries that regulate the declaration of allergens in prepackaged foods include the list recommended by the Codex Alimentarius, some countries have added other allergens to this list due to prevalence data and regional incidence, whereas others have incorporated exceptions for some products derived from allergenic foods. Within this context, the situation in Latin America regarding these regulations is diverse. Data about prevalence of food hypersensitivity are very limited in the region. The countries that have established regulations are Brazil, Colombia, Costa Rica, Guatemala, Honduras, El Salvador, Nicaragua, Chile, Mexico, and Venezuela. Argentina has approved a regulation for the labeling of food allergens in November 2016. It only needs to be published in the Official Bulletin to go into effect. All countries follow the Codex list that includes latex and excludes sulfites, except Brazil. On the other hand, Argentina is the only country that includes exceptions. As for the methodologies for the detection of allergens in foods, this issue is a serious problem for both the food industry and control laboratories. Available methodologies are based mainly on commercial ELISA kits; currently, there are no Latin American companies that produce them, so ELISA kits are expensive and their acquisition is complicated. There is an initiative in Argentina to address all these gaps in the region through the Platform of Food Allergens (PFA), a nonprofit organization that integrates health professionals, patients, representatives of the food industry, government, and scientists. The different actions carried out by the PFA have made it possible to contact different scientific groups from other Latin American countries in order to expand this initiative and thereby promote and strengthen both public and private capacities in the region. PMID- 29202901 TI - European Regulations for Labeling Requirements for Food Allergens and Substances Causing Intolerances: History and Future. AB - Food allergens and intolerances have been diagnosed by doctors for decades, but have received heightened attention in the last two decades because diagnosis and awareness have increased. Consequently, regulators in many jurisdictions have addressed this topic by introducing labeling requirements for substances causing allergies and intolerance reactions in affected individuals. Mandatory labeling of food allergens allows persons suffering from these to make informed choices. However, regulations in some geographic areas have resulted in significant problems for manufacturers as well as consumers. This has been mainly due to frequent changes and amendments, and it has been difficult for all stakeholders to follow and understand the status quo of legislation. The present paper describes the development of European directives and regulations for the labeling of food allergens and intolerances to substances like gluten over the past decades and provides an outlook of what can reasonably be expected to change in the coming years. It also identifies existing gaps, like a lack of threshold levels for adventitious contamination and consequently a proliferation of precautionary allergen labeling, which neither benefits the consumer nor the food industry in its current form. PMID- 29202902 TI - Action Levels for Food Allergens: An Approach for Official Food Control in Germany. AB - Official food control laboratories in Germany have established internal action values for the assessment of analytical results of food allergens especially obtained from samples without declaration of the specified allergen. A pragmatic approach was chosen considering the current situation for European food information legislation. Accordingly, when a positive result is obtained for an unlabeled allergen, it is not necessarily an irregularity if it can be demonstrated that the result was caused by cross-contamination. Action values take into account current analytical experiences as well as published allergologic reference doses. They are considered as internal de minimis thresholds by food control authorities that are used to support laboratories in the decision-making process and when a written expert opinion is requested by an enforcement authority. If only minor traces are detected at concentrations below the action values, further investigation of the issue and inspections at the location of manufacture can be abandoned. The present report includes a collection of results from official food control laboratories in Germany that have been evaluated in line with the aforementioned system of action levels. PMID- 29202903 TI - Food Allergen Management in Australia. AB - Food allergies are increasing globally, including numbers of allergens, the sensitization rate, and the prevalence rate. To protect food-allergic individuals in the community, food allergies need to be appropriately managed. This paper describes current Australian food allergen management practices. In Australia, the prevalence of food allergies, the anaphylaxis rate, and the fatal anaphylaxis rate are among the highest in the world. Interagency and stakeholder collaboration is facilitated and enhanced as Australia moves through past, current, and ongoing food allergen challenges. As a result, Australia has been a global leader in regulating the labeling of common allergens in packaged foods and their disclosure in foods not required to bear a label. Moreover, the food industry in Australia and New Zealand has developed a unique food allergen risk management tool, the Voluntary Incidental Trace Allergen Labelling program, which is managed by the Allergen Bureau. This paper summarizes insights and information provided by the major stakeholders involved to protect food-allergic consumers from any allergic reaction. Stakeholders include government; consumer protection, regulation, and enforcement agencies; the food industry; and food allergen testing and food allergen/allergy research bodies in Australia. The ongoing goal of all stakeholders in food allergen management in Australia is to promote best practice food allergen management procedures and provide a wide choice of foods, while enabling allergic consumers to manage their food allergies and reduce the risk of an allergic reaction. PMID- 29202904 TI - A Global Reflection on Food Allergen Regulations, Management, and Analysis. PMID- 29202905 TI - Undeclared Food Allergens and Gluten in Commercial Food Products Analyzed by ELISA. AB - Undeclared allergen(s) in commercial food products are responsible for many food recalls, as reported by regulatory agencies in various countries, including the United States. Correct allergen labeling practices are essential for the safety of food-allergic consumers. However, this practice may be hindered by the introduction of allergens all along the food supply chain, including unintentionally through cross-contact. To understand the pervasiveness of undeclared allergen(s) in commercial food products, the objective of this review is to summarize the prevalence of undeclared milk, egg, hazelnut, peanut, soy, and gluten as detected by ELISA from previously published surveys. The prevalence of undeclared allergen(s) in products with or without an advisory statement was also summarized and compared. As compiled by this review, there are some food categories that may be at higher risk for containing undeclared allergen(s). However, the data on prevalence and amount of allergen present may vary widely within any particular allergen or food category. Factors, such as food survey product selection, geography, awareness of allergen/gluten issues, and/or the choice of ELISA method, may be responsible for such differences. PMID- 29202906 TI - Managing Food Allergens in the U.K. Retail Supply Chain. AB - The U.K. food and grocery market is highly significant financially and dominated by 10 retailers within a regulated and extremely economically competitive environment. We summarize the approach of U.K. retailers to allergen risk assessment (RA) and risk management (RM) within the U.K. legal framework and explore public visibility of retailers' allergen policies. RA and RM of allergens appear effective in curtailing retail-triggered severe food allergy reactions. However, allergen recalls remain high, precautionary allergen labeling (PAL) remains an area of confusion, and there is no consistent Web-based provision of information for consumers who have allergies. Resolution of PAL awaits an agreed on threshold framework, but a key challenge is to engage with patients and gain their trust rather than thrust education at them. It would be helpful for retailers to publish their allergen RA and RM policies. A target should be agreed on between government and retailers for a reduction in the proliferation of PAL wording variants by a given date within the next 3 years. A further hurdle is potentially flawed allergen analysis-development of reference methods and reference materials are acknowledged needs. Laboratories should report allergen results in an informative manner, communicating uncertainty and caveats. Ideally a laboratory representative would be included on any incident control team. Efforts must continue to standardize preparedness for protecting and defending food and drink from deliberate attack. PMID- 29202907 TI - Challenges and Path Forward on Mandatory Allergen Labeling and Voluntary Precautionary Allergen Labeling for a Global Company. AB - For food manufacturers, the label on a food package is a tool meant to alert consumers to the presence of specific allergens, allowing consumers to make informed decisions and not unnecessarily limit their food choices. Mandatory allergen labeling is used when the allergen is an intentionally added ingredient, whereas voluntary allergen labeling is used when the presence of the allergen is unintentional and may be in the finished product as a result of cross-contact. In a globalized economy, ensuring food safety is a growing challenge for manufacturers. When ingredients and technologies are sourced worldwide from multiple business partners, complexity rises, which can increase the chance for errors, leading to potential harm. Threshold science, Voluntary Incidental Trace Allergen Labelling (VITAL) reference doses, fit-for-purpose analytical technology, and common sense enable us to optimize allergen management for the benefit of allergic consumers. This is a good strategy because all stakeholders share the common goal of making foods safe and wholesome for all. Herein, we recommend that (1) senior management make science-based thresholds a priority for both regulatory authorities and the food industry; (2) VITAL 2.0 be adopted as a risk assessment and risk management tool for precautionary allergen labeling (PAL); (3) a standardized message for PAL, i.e., "may contain x," be used to make it easily understandable to allergic consumers so they can make informed food choices; and (4) validated fit-for-purpose allergen methods be used to meet analytical needs. This is an opportunity for us to speak with one voice and demonstrate that food safety is not a competitive issue, but a shared responsibility. This approach could significantly improve allergic consumers' lives. PMID- 29202908 TI - Japanese Food Allergen Labeling Regulation: An Update. AB - The Japanese food allergen labeling regulation was designed to match real Japanese food allergy circumstances and also to be enforced effectively; thus, (1) regulated food allergens were selected by prevalence and seriousness according to food allergy surveys in Japan; (2) the detection criterion for ELISA monitoring, 10 MUg food allergen protein/g (or mL) food, was set up as the threshold value to regulate commercial prepackaged foods; and (3) official food allergen analytical methods, which can determine the threshold value accurately, were developed. These three points are distinctive from other countries. Furthermore, as an on-going project, the regulation has been amended according to food allergy circumstances and requirements of society. This paper presents recent changes regarding the Japanese food allergen labeling regulation. To date, the Japanese food allergen labeling regulation has been enforced for more than 15 years and seems to be working effectively. Now would be an opportune time to review the regulation for its next level of development. PMID- 29202909 TI - Commercial ELISA Measurement of Allergens and Gluten: What We Can Learn from Case Studies. AB - During the last decade, results from ELISA test kits have often been criticized as being flawed. Therefore, it may appear counterintuitive that ELISAs are used for most food allergen and gluten analytical needs. One reason, in addition to the nonavailability of comparable alternative methods, is the fact that the methods used underwent a long validation and learning period in the market. This publication presents several case studies on interference, cross-reactivity issues, calibrators, fragmented allergens and gluten, matrix influences, and misunderstood intended-use statements. Afterward, the relevant validation parameter LOD, LOQ, selectivity, and precision are discussed. Finally, a comprehensive list of practical recommendations for ELISA test kit users is presented. PMID- 29202910 TI - A Targeted LC-MS/MS Method for the Simultaneous Detection and Quantitation of Egg, Milk, and Peanut Allergens in Sugar Cookies. AB - Food allergy is a growing public health concern, with many individuals reporting allergies to multiple food sources. Compliance with food labeling regulations and prevention of inadvertent cross-contact in manufacturing requires the use of reliable methods for the detection and quantitation of allergens in processed foods. In this work, a novel liquid chromatography-tandem mass spectrometry multiple-reaction monitoring method for multiallergen detection and quantitation of egg, milk, and peanut was developed and evaluated in an allergen-incurred baked sugar cookie matrix. A systematic evaluation of method parameters, including sample extraction, concentration, and digestion, were optimized for candidate allergen peptide markers. The optimized method enabled the reliable detection and quantitation of egg, milk, and peanut allergens in sugar cookies, with allergen concentrations as low as 5 ppm allergen-incurred ingredient. PMID- 29202911 TI - The Allergen Bureau VITAL Program. AB - This paper sets out the role of the Allergen Bureau and the Voluntary Incidental Trace Allergen Labelling (VITAL) Program from its origin in 2007 to its current iteration, VITAL 2. Herewith are outlined the scientific principles that support the program; the program's application in the food chain; and the benefits of the program's use to the food industry, clinicians, and the allergic consumer. VITAL was developed by the Australian and New Zealand food industry in consultation with multiple stakeholders, including consumer organizations, industry bodies, regulators, and retailers, to provide a standardized, science-based risk assessment process for the investigation of the potential presence of food allergens due to cross-contact and to determine whether, for cases in which the allergen is unable to be removed or controlled consistently, precautionary statements are required. The aim of the program is to provide a consistent process, a standardized approach, and a relevant cross-contact statement to allow the allergic consumer to make an informed decision regarding consumption of food. PMID- 29202912 TI - Assessing Almond and Peanut Allergens Using Commercially Available Immunoanalytical Kits and LC-MS/MS: A Case Study. AB - With an ever-increasing allergic population and an emerging market for allergen free foods, accurate detection of allergens in foods has never been more important. Although ELISA-based methods are the most widely used for detection of allergens in food, there is a need for the development of orthogonal approaches. A commercial ELISA detected a relatively high concentration of peanut and almond in an allergen-free product. However, another commercial ELISA declared a low peanut concentration and was negative for almond. Further testing using a commercial almond lateral-flow device confirmed the results from the second ELISA kit and demonstrated that the positive detection of almond was due to cross reactivity. An MS method was used for final confirmation that the reported results were negative for both almond and peanut. PMID- 29202913 TI - ILSI Europe's Food Allergy Task Force: From Defining the Hazard to Assessing the Risk from Food Allergens. AB - The International Life Sciences Institute (ILSI) Europe Food Allergy Task Force was founded in response to early public concerns about the growing impact of food allergies almost coincidentally with the publication of the 1995 Food and Agriculture Organization-World Health Organization Technical Consultation on Food Allergies. In line with ILSI principles aimed to foster collaboration between stakeholders to promote consensus on science-based approaches to food safety and nutrition, the task force has played a central role since then in the development of risk assessment for food allergens. This ranged from consideration of the criteria to be applied to identifying allergens of public health concern through methodologies to determine the relationship between dose and the proportion of allergic individuals reacting, as well as the nature of the observed responses. The task force also promoted the application of novel, probabilistic risk assessment methods to better delineate the impact of benchmarks, such as reference doses, and actively participated in major European food allergy projects, such as EUROPREVALL, the European Union (EU)-funded project "The prevalence, cost and basis of food allergy across Europe;" and iFAAM, "Integrated approaches to food allergen and allergy risk management," also an EU-funded project. Over the years, the task force's work has evolved as answers to initial questions raised further issues: Its current work program includes a review of analytical methods and how different ones can best be deployed given their strengths and limitations. Another activity, which has just commenced, aims to develop a framework for stakeholders to achieve consensus on acceptable risk. PMID- 29202914 TI - Integrating Allergen Analysis Within a Risk Assessment Framework: Approaches to Development of Targeted Mass Spectrometry Methods for Allergen Detection and Quantification in the iFAAM Project. AB - Allergen analysis is central to implementing and monitoring food allergen risk assessment and management processes by the food industry, but current methods for the determination of allergens in foods give highly variable results. The European Union-funded "Integrated Approaches to Food Allergen and Allergy Risk Management" (iFAAM) project has been working to address gaps in knowledge regarding food allergen management and analysis, including the development of novel MS and immuno-based allergen determination methods. Common allergenic food ingredients (peanut, hazelnut, walnut, cow's milk [Bos domesticus], and hen's egg [Gallus domesticus]) and common food matrixes (chocolate dessert and cookie) have been used for both clinical studies and analytical method development to ensure that the new methods are clinically relevant. Allergen molecules have been used as analytical targets and allergenic ingredients incurred into matrixes at levels close to reference doses that may trigger the use of precautionary allergen labeling. An interlaboratory method comparison has been undertaken for the determination of peanut in chocolate dessert using MS and immuno-based methods. The iFAAM approach has highlighted the need for methods to report test results in allergenic protein. This will allow food business operators to use them in risk assessments that are founded on clinical study data in which protein has been used as a measure of allergenic potency. PMID- 29202915 TI - Novel Approaches for the MS-Based Detection of Food Allergens: High Resolution, MS3, and Beyond. AB - The prevalence of allergic reactions to food is believed to be increasing in industrialized countries worldwide. One of the major tasks in risk management is, therefore, the analytical surveillance of allergen contamination in food and targeted proteomics using MS, which is of hugely growing interest due to its specificity and sensitivity and the possibility to analyze multiple allergens in parallel. Though approximately 200 different foods have been described as having the potential to elicit allergic reactions, current regional labeling requirements are focused on the 5-14 priority allergens that elicit the vast majority of severe reactions or that pose a risk as hidden allergens in food production. MS-based detection methods have been published for the majority of priority allergens, and this review provides an overview of the different methodological approaches, namely multiple-reaction monitoring-, high-resolution MS-, and triple-stage MS-based methods. In addition, requirements for the identification and validation of specific marker peptides and the influence of thermal processing and structural heterogeneity of allergens are discussed. PMID- 29202916 TI - The Use of Visual Examination for Determining the Presence of Gluten-Containing Grains in Gluten Free Oats and Other Grains, Seeds, Beans, Pulses, and Legumes. AB - Obtaining representative test samples for antibody-based testing is challenging when analyzing whole grains for gluten. When whole grains are ground into flour for testing, confocal microscopy studies have shown that gluten tends to exist as aggregates within the starch background, making single-sample testing inaccurate and complicating the ability to arrive at an accurate average from multiple samples. In addition, whole-grain products present a unique risk to gluten free consumers, in that any contamination is localized to specific servings rather than being distributed across the product lot. This makes parts-per-million values less relevant for whole-grain products. Intact grains, seeds, beans, pulses, and legumes offer an alternative opportunity for gluten detection, in that contaminating gluten-containing grains (GCGs) are visible and identifiable to the trained eye or properly calibrated optical sorting equipment. The purpose of the current study was to determine a Gluten Free Certification Organization threshold level for the maximum number of GCGs within a kilogram of nongluten grains sold as specially processed gluten free product and to determine the feasibility of this threshold by evaluating visual examination data from two major oat processors. PMID- 29202917 TI - Development and Validation of a Quantitative ELISA for the Detection of Almond Residues in Foods. AB - Neogen Corp. has developed Veratox for Almond Allergen for use in the quantitative analysis and screening of almond protein residues in food products, such as cookies, crackers, chocolate bars, cereals, beverages, and clean-in-place rinses. Quantitation with Veratox for Almond Allergen ranges from 2.5 to 25 ppm and, with dilution, it can be extended for highly positive samples. This paper describes the findings of internal testing and validation studies designed to establish product claims for the assay of Veratox for Almond Allergen. PMID- 29202918 TI - Almond or Mahaleb? Orthogonal Allergen Analysis During a Live Incident Investigation by ELISA, Molecular Biology, and Protein Mass Spectrometry. AB - It is now well known that an incident investigated in the United Kingdom in 2015 of cumin alleged to be contaminated with almond, a risk for people with almond allergy, was caused by the Prunus species, Prunus mahaleb. In the United Kingdom, the Government Chemist offers a route of technical appeal from official findings in the food control system. Findings of almond in two official samples, cumin and paprika, which had prompted action to exclude the consignments from the food chain, were so referred. Herein are described the approaches deployed to resolve the analytical issues during the investigation of the incidents. The cross reactivity of ELISA to Prunus species was confirmed, and although this is useful in screening for the genus, orthogonal techniques are required to identify the species and confirm its presence. Two novel PCR assays were developed: one specific for P. mahaleb and the other a screening method capable of identifying common Prunus DNA. Peptides unique to almond and mahaleb were identified, permitting LC-tandem MS and criteria were developed for peptide identification to forensic standards. This work enables a staged approach to be taken to any future incident thought to involve Prunus species and provides a template for the investigation of similar incidents. PMID- 29202919 TI - Stakeholders' Guidance Document for Consumer Analytical Devices with a Focus on Gluten and Food Allergens. AB - Until recently, analytical tests for food were performed primarily in laboratories, but technical developments now enable consumers to use devices to test their food at home or when dining out. Current consumer devices for food can determine nutritional values, freshness, and, most recently, the presence of food allergens and substances that cause food intolerances. The demand for such products is driven by an increase in the incidence of food allergies, as well as consumer desire for more information about what is in their food. The number and complexity of food matrixes creates an important need for properly validated testing devices with comprehensive user instructions (definitions of technical terms can be found in ISO 5725-1:1994 and the International Vocabulary of Metrology). This is especially important with food allergen determinations that can have life-threatening consequences. Stakeholders-including food regulators, food producers, and food testing kit and equipment manufacturers, as well as representatives from consumer advocacy groups-have worked to outline voluntary guidelines for consumer food allergen- and gluten-testing devices. These guidelines cover areas such as kit validation, user sampling instructions, kit performance, and interpretation of results. The recommendations are based on (1) current known technologies, (2) analytical expertise, and (3) standardized AOAC INTERNATIONAL allergen community guidance and best practices on the analysis of food allergens and gluten. The present guidance document is the first in a series of papers intended to provide general guidelines applicable to consumer devices for all food analytes. Future publications will give specific guidance and validation protocols for devices designed to detect individual allergens and gluten, as statistical analysis and review of any validation data, preferably from an independent third party, are necessary to establish a device's fitness for-purpose. Following the recommendations of these guidance documents will help ensure that consumers are equipped with sufficient information to make an informed decision based on an analytical result from a consumer device. However, the present guidance document emphasizes that consumer devices should not be used in isolation to make a determination as to whether a food is safe to eat. As advances are made in science and technology, these recommendations will be reevaluated and revised as appropriate. PMID- 29202920 TI - Target Selection Strategies for LC-MS/MS Food Allergen Methods. AB - The detection and quantitation of allergens as contaminants in foods using MS is challenging largely due to the requirement to detect proteins in complex, mixed, and often processed matrixes. Such methods necessarily rely on the use of proteotypic peptides as indicators of the presence and amount of allergenic foods. These peptides should represent the allergenic food in question in such a way that their use is both sensitive (no false-negatives) and specific (no false positives). Choosing such peptides to represent food allergens is beset with issues, including, but not limited to, separated ingredients (e.g., casein and whey), extraction difficulties (particularly from thermally processed foods), and incomplete sequence information, as well as the more common issues associated with protein quantitation in biological samples. Here, we review the workflows that have been used to select peptide targets for food allergen detection. We describe the use and limitations of both in silico-based analyses and experimental methods relying on high-resolution MS. The variation in the way in which target selection is performed highlights a lack of standardization, even around the principles describing what the detection method should achieve. A lack of focus on the food matrixes to which the method will be applied is also apparent during the peptide target selection process. It is hoped that highlighting some of these issues will assist in the generation of MS-based allergen detection methods that will encourage uptake and use by the analytical community at large. PMID- 29202921 TI - Highly Sensitive Matrix-Independent Quantification of Major Food Allergens Peanut and Soy by Competitive Real-Time PCR Targeting Mitochondrial DNA. AB - The development of two competitive real-time PCR assays for the quantitative detection of trace amounts of two major food allergens, peanut and soybean, is reported. In order to achieve very low detection levels for both allergens, we established PCR primers and probes targeting mitochondrial DNA sequences. We were able to demonstrate that this approach led to an increase in detection sensitivity in the range of at least 1 order of magnitude compared with published assays targeting nuclear DNA. Furthermore, we generated corresponding competitor molecules, which were used as internal standards to compete with matrix effects that are evident during DNA extraction and PCR amplification in heterogeneous analytical matrixes like food. According to the recently described competitive quantitative PCR method published by Holzhauser et al. (2014), we performed threshold calibration against milk powder spiked with 10 ppm peanut and soy. Matrix-independent quantitative determination of peanut and soy could be demonstrated for three different calibrated food matrix standards in a range between 1 and 100 ppm. The data presented indicate that both assay concepts are powerful analytical tools for the quantitative detection of trace amounts of peanut and soy in commercial food products. PMID- 29202922 TI - Simultaneous Analysis of Multiple Allergens in Food Products by LC-MS/MS. AB - There is currently no cure for food allergies, and sufferers can only rely on the correct labeling of foods to avoid allergens. Hence, it is important that analytical methods are sensitive and accurate enough to screen for the presence of multiple allergens in food products. In this study, we developed an LC-tandem MS method that is able to simultaneously screen or quantify the signature tryptic peptides of multiple allergen commodities. This method is capable of screening and identifying egg white, skim milk, peanut, soy, and tree nuts (almond, Brazil nut, cashew, hazelnut, pecan, pine nut, pistachio, and walnut) at a detection limit of 10 ppm in incurred bread and cookies. It was further tested for the quantitative analysis of whole-egg, whole-milk, peanut butter, and hazelnut commodities, which are incurred or spiked into selected food matrixes as defined in AOAC INTERNATIONAL Standard Method Performance Requirement (SMPR(r)) 2016.002. The method demonstrated excellent sensitivity with a Method quantitative limit of 3 ppm for whole egg and 10 ppm for the remaining three allergen commodities. It also demonstrated good recovery (60-119%) and repeatability (RSDr <20%), with an analytical range of 10-1000 ppm for each allergen commodity and was able to meet the minimum performance requirements of the SMPR. PMID- 29202923 TI - Allergens: An Enhanced Focus. AB - Food Allergy Awareness Week was created with the purpose of placing a spotlight on the seriousness of food allergies. Recognized in the United States in mid-May every year, Food Allergy Awareness Week serves as a reminder of the over 15 million Americans who suffer from food allergies. The importance of allergies and allergen labeling can be seen when looking at U.S. Food and Drug Administration recall data: of the 764 recalls in 2016, 305 (representing more than 40%) were due to undeclared allergens. However, recalls for undeclared allergens are a complex issue with numerous factors. The implementation of prevention-based systems with the necessary management components and further error-proofing the systems, along with allergen awareness embedded throughout a company's food safety culture, can likely help reduce the number of recalls for undeclared allergens. As a resource to manufacturers, the Grocery Manufacturers Association and the Food Allergy Research and Resource Program have developed several resources to assist with developing robust allergen management programs. By reducing the number of recalls for undeclared allergens, the food industry will likely increase and maintain consumer confidence and trust of the food-allergic community. This enhanced consumer confidence and trust could eventually open the door for further collaboration with the food-allergic community and, potentially, advance allergen-related policies. PMID- 29202924 TI - Mental health consultations in the perinatal period: a cost-analysis of Medicare services provided to women during a period of intense mental health reform in Australia. AB - Objective To quantify total provider fees, benefits paid by the Australian Government and out-of-pocket patients' costs of mental health Medicare Benefits Schedule (MBS) consultations provided to women in the perinatal period (pregnancy to end of the first postnatal year).Method A retrospective study of MBS utilisation and costs (in 2011-12 A$) for women giving birth between 2006 and 2010 by state, provider-type, and geographic remoteness was undertaken.Results The cost of mental health consultations during the perinatal period was A$17.5million for women giving birth in 2007, rising to A$29million in 2010. Almost 9% of women giving birth in 2007 had a mental health consultation compared with more than 14% in 2010. An increase in women accessing consultations, along with an increase in the average number of consultations received, were the main drivers of the increased cost, with costs per service remaining stable. There was a shift to non-specialist care and bulk billing rates increased from 44% to 52% over the study period. In 2010, the average total cost (provider fees) per woman accessing mental health consultations during the perinatal period was A$689, and the average cost per service was A$133. Compared with women residing in regional and remote areas, women residing in major cities where more likely to access consultations, and these were more likely to be with a psychiatrist rather than an allied health professional or general practitioner.Conclusion Increased access to mental health consultations has coincided with the introduction of recent mental health initiatives, however disparities exist based on geographic location. This detailed cost analysis identifies inequities of access to perinatal mental health services in regional and remote areas and provides important data for economic and policy analysis of future mental health initiatives.What is known about the topic? The mental healthcare landscape in Australia has changed significantly over the last decade, with the introduction of numerous policies aimed at prevention, screening and improving access to treatment. Several of these policies have been aimed at perinatal depression, which affects 15% of women giving birth.What does this paper add? This is the first population-based, cost analysis of mental health consultations during the perinatal period (pregnancy to end of the first postnatal year) in Australia. Almost 9% of women giving birth in 2007 had a mental health consultation funded though the MBS, compared with more than 14% in 2010. Over the same period there was a shift from psychiatric consultations to allied health and primary care consultations. In 2010, the total cost (provider fee) of these consultations was A$29million, equating to an average cost per woman of A$689 and A$133 per service. Despite the changing policy environment, significant disparities exist in access to care according to geographic remoteness.What are the implications for practitioners? Recent policy initiatives have resulted in increasing access to mental health consultations for women around the time of childbirth. However, policies are needed that target women outside of major cities. Furthermore, evidence is needed on whether the increase in access has resulted in improved mental health outcomes for women at this vulnerable time. The cost data provided by this study are unique and will inform future mental health policy development and health economic evaluations. PMID- 29202927 TI - Looking inside the cell. AB - Advances in imaging techniques have shed new light on the structure of vesicles formed by COPI protein complexes. PMID- 29202925 TI - The Investigation of Suspected Fracture-a Comparison of Ultrasound With Conventional Imaging. AB - BACKGROUND: Ultrasound imaging can be used to diagnose fractures in patients with acute trauma. Its main advantages over conventional imaging are the absence of radiation exposure and its greater availability. METHODS: A systematic search in electronic databases (Medline, Embase, Cochrane CENTRAL) was supplemented by a manual search on the Internet and in the reference lists of pertinent publications. The QUADAS-2 instrument was used to assess the quality of the individual studies retrieved. In the metaanalysis, the sensitivity and specificity of the individual studies were pooled. RESULTS: The available information on the diagnostic accuracy of ultrasound in the detection of fractures compared with that of conventional imaging (x-ray, CT, MRI) in patients with acute non-life-threatening trauma is summarized. The database search yielded 2153 hits, among which there were 48 studies that were suitable for inclusion in this review. The pooled sensitivity and specificity were 0.91 (95% confidence interval [0.90; 0.92]) and 0.94 [0.93; 0.95], although the analyzed studies were markedly heterogeneous (I2: sensitivity 74%, specificity 81%). The sensitivity of ultrasound was higher for the detection of fractures of the humerus, the forearm, the ankle, and the long bones in general, as well as fractures in children, and lower for fractures of the short bones of the hands and feet, and in adults. CONCLUSION: Strong evidence supports the use of ultrasound imaging for certain indications in the detection of fractures. PMID- 29202926 TI - Impingement Syndrome of the Shoulder. AB - BACKGROUND: Shoulder pain is the third most common musculoskeletal complaint in orthopedic practice. It is usually due to a defect of the rotator cuff and/or an impingement syndrome. METHODS: This review is based on pertinent literature retrieved by a selective search of the Medline database. RESULTS: Patients with shoulder impingement syndrome suffer from painful entrapment of soft tissue whenever they elevate the arm. The pathological mechanism is a structural narrowing in the subacromial space. A multiplicity of potential etiologies makes the diagnosis more difficult; it is established by the history and physical examination and can be confirmed with x-ray, ultra - sonography, and magnetic resonance imaging. The initial treatment is conservative, e.g., with nonsteroidal antiinflammatory drugs, infiltrations, and patient exercises. Conservative treatment yields satisfactory results within 2 years in 60% of cases. If symptoms persist, decompressive surgery is performed as long as the continuity of the rotator cuff is preserved and there is a pathological abnormality of the bursa. The correct etiologic diagnosis and choice of treatment are essential for a good outcome. The formal evidence level regarding the best treatment strategy is low, and it has not yet been determined whether surgical or conservative treatment is better. CONCLUSION: Randomized controlled therapeutic trials are needed so that a standardized treatment regimen can be established. PMID- 29202930 TI - A Difference That Makes a Difference. PMID- 29202928 TI - Deciphering caveolar functions by syndapin III KO-mediated impairment of caveolar invagination. AB - Several human diseases are associated with a lack of caveolae. Yet, the functions of caveolae and the molecular mechanisms critical for shaping them still are debated. We show that muscle cells of syndapin III KO mice show severe reductions of caveolae reminiscent of human caveolinopathies. Yet, different from other mouse models, the levels of the plasma membrane-associated caveolar coat proteins caveolin3 and cavin1 were both not reduced upon syndapin III KO. This allowed for dissecting bona fide caveolar functions from those supported by mere caveolin presence and also demonstrated that neither caveolin3 nor caveolin3 and cavin1 are sufficient to form caveolae. The membrane-shaping protein syndapin III is crucial for caveolar invagination and KO rendered the cells sensitive to membrane tensions. Consistent with this physiological role of caveolae in counterpoising membrane tensions, syndapin III KO skeletal muscles showed pathological parameters upon physical exercise that are also found in CAVEOLIN3 mutation associated muscle diseases. PMID- 29202929 TI - Live imaging of heart tube development in mouse reveals alternating phases of cardiac differentiation and morphogenesis. AB - During vertebrate heart development, two progenitor populations, first and second heart fields (FHF, SHF), sequentially contribute to longitudinal subdivisions of the heart tube (HT), with the FHF contributing the left ventricle and part of the atria, and the SHF the rest of the heart. Here, we study the dynamics of cardiac differentiation and morphogenesis by tracking individual cells in live analysis of mouse embryos. We report that during an initial phase, FHF precursors differentiate rapidly to form a cardiac crescent, while limited morphogenesis takes place. In a second phase, no differentiation occurs while extensive morphogenesis, including splanchnic mesoderm sliding over the endoderm, results in HT formation. In a third phase, cardiac precursor differentiation resumes and contributes to SHF-derived regions and the dorsal closure of the HT. These results reveal tissue-level coordination between morphogenesis and differentiation during HT formation and provide a new framework to understand heart development. PMID- 29202931 TI - Less-Intensive Screening Does Not Reduce the Frequency of Overdiagnosis. PMID- 29202932 TI - Breast Cancer Screening Frequency and Overdiagnosis. PMID- 29202933 TI - The Search for the Thyroid Nodule of Interest. PMID- 29202934 TI - Authors' Reply. PMID- 29202935 TI - Author's Reply-Re: Burnout: A Clinical and Sociological Reflection. PMID- 29202936 TI - Refining the Wild Wild West of Point-of-Care Ultrasound at an Academic Community Hospital. PMID- 29202937 TI - Youth Sport-Related Concussions: Perceived and Measured Baseline Knowledge of Concussions Among Community Coaches, Athletes, and Parents. AB - OBJECTIVE: To assess concussion knowledge of athletes, coaches, and parents/guardians in a community setting and to understand trends/gaps in knowledge among subgroups to tailor efforts toward creating educational interventions. PARTICIPANTS AND METHODS: This prospective cross-sectional study involved 262 individuals (142 [55%] female): 115 athletes participating in noncontact and contact sports (ages 13-19 years), 15 coaches, and 132 parents. Recruitment occurred from August 30, 2015, through August 30, 2016, at 3 local high schools. Participants completed a questionnaire developed by the investigators to assess concussion experience and basic knowledge. RESULTS: Females, health care employees, and parents showed stronger concern for potential long-term sequelae of concussion, whereas athletes were most concerned about not being able to return to sport. Those with higher perceived concussion knowledge were slightly older (median age, 42.5 vs 33 years), more educated (college or higher: 42 [70%] vs 100 [50%]), and more likely to be health care workers (22 [37.9%] vs 34 [17.7%]) and scored higher on knowledge questions (average correct: 75.5% vs 60%). Most participants could identify potential concussion sequelae, but only 86 (34.3%) identified a concussion as a brain injury. Of the subgroups, coaches scored highest on knowledge questions. Those with a concussion history tended to consider themselves more knowledgeable but were also less concerned about sequelae. Overall, those with a concussion history scored slightly higher on knowledge questions (average correct: 69.8% vs 61.9%). Participants involved in contact sports were more likely to have had a concussion vs those in noncontact sports (57 [26%] vs 4 [10.3%]). CONCLUSION: Significant differences in perceived and actual concussion knowledge across different subgroups of study participants involved in high school sports were identified. PMID- 29202938 TI - Prevalence of Monoclonal Gammopathy in Wild-Type Transthyretin Amyloidosis. AB - OBJECTIVE: To evaluate the prevalence of monoclonal gammopathy (MG) in patients with wild-type transthyretin amyloidosis (ATTRwt) (formerly known as senile amyloidosis). PATIENTS AND METHODS: We retrospectively analyzed the serum protein electrophoresis and serum immunofixation results, free light chain (FLC) levels, and renal function of 113 consecutive patients with ATTRwt seen at the Brigham and Women's Hospital's Cardiac Amyloidosis Program between February 21, 2006, and November 9, 2016. Monoclonal gammopathy was defined as a monoclonal protein present in the serum. Light chain MG was defined as an abnormal serum FLC kappa/lambda ratio with an elevated FLC level in the absence of a monoclonal protein. In patients with renal dysfunction, the renal FLC reference range was used. RESULTS: The mean age of the population was 75 years, 3 of the 113 patients (3%) were female, and 110 (97%) were white. Monoclonal gammopathy was present in 26 patients (23%), 24 of whom had monoclonal protein present and 2 others who met criteria for light chain MG. Most clones (12 of 20 [60%]) were lambda restricted. Another 7 patients had an abnormal FLC kappa/lambda ratio in the setting of renal dysfunction. CONCLUSION: In this study, MG was present in 23% of patients with ATTRwt. The finding of MG or an abnormal FLC kappa/lambda ratio in an elderly man may cause diagnostic confusion during subtyping of amyloidosis. A high degree of clinical suspicion for ATTRwt and precise tissue typing using mass spectrometry may overcome such diagnostic challenges. PMID- 29202939 TI - Risk Factors for Herpes Zoster: A Systematic Review and Meta-analysis. AB - OBJECTIVE: To systematically review studies examining risk factors for herpes zoster (HZ). METHODS: We performed a literature search using PubMed, EMBASE, and Web of Science for articles published from January 1, 2003, to February 1, 2017. A random-effects model was used to summarize the risk ratio (RR) or odds ratio (OR) and 95% CI. RESULTS: Of the 3450 studies screened, we included 84 studies in the systematic review and conducted meta-analysis in 62 studies. Women were at increased risk of HZ compared with men (pooled adjusted RR, 1.31; 95% CI, 1.27 1.34). Black individuals had almost half the risk of HZ as white individuals (pooled RR, 0.54; 95% CI, 0.47-0.63). Family history was found to be a risk factor for HZ (pooled OR, 3.59; 95% CI, 2.39-5.40). Autoimmune diseases, including rheumatoid arthritis (pooled RR, 1.67; 95% CI, 1.41-1.98) and systemic lupus erythematosus (pooled RR, 2.10; 95% CI, 1.40-3.15), were associated with an elevated risk of HZ. Other comorbidities were associated with an increased risk of HZ, with the pooled RRs ranging from 1.25 (95% CI, 1.13-1.39) for asthma to 1.30 (95% CI, 1.17-1.45) for diabetes mellitus and 1.31 (95% CI, 1.22-1.41) for chronic obstructive pulmonary disease. CONCLUSION: Our review revealed that female sex, race/ethnicity, family history, and comorbidities are risk factors for HZ. Efforts are needed to increase the uptake of zoster vaccination. PMID- 29202940 TI - Genitourinary Syndrome of Menopause: Management Strategies for the Clinician. AB - Genitourinary syndrome of menopause (GSM), previously known as atrophic vaginitis or vulvovaginal atrophy, affects more than half of postmenopausal women. Caused by low estrogen levels after menopause, it results in bothersome symptoms, including vaginal dryness, itching, dyspareunia, urinary urgency and increased frequency, and urinary tract infections. Even though women with GSM can have sexual dysfunction that interferes with partner relationships, women are often embarrassed to seek treatment, and health care professionals do not always actively screen for GSM. As a result, GSM remains underdiagnosed and undertreated. Several effective treatments exist, but low-dose vaginal estrogen therapy is the criterion standard. It is effective and safe for most patients, but caution is suggested for survivors of hormone-sensitive cancers. Newer treatment options include selective estrogen receptor modulators, vaginal dehydroepiandrosterone, and laser therapy. Nonprescription treatments include vaginal lubricants, moisturizers, and dilators. Pelvic floor physical therapy may be indicated for some women with concomitant pelvic floor muscle dysfunction. Sex therapy may be helpful for women with sexual dysfunction. This concise review presents a practical approach to the evaluation and management of GSM for the primary care physician. PMID- 29202941 TI - 24-Year-Old Man With Acute Chest Pain. PMID- 29202944 TI - Correction. PMID- 29202942 TI - Microbiome at the Frontier of Personalized Medicine. AB - The genomic revolution promises to transform our approach to treat patients by individualizing treatments, reducing adverse events, and decreasing health care costs. The early advances using this have been realized primarily by optimizing preventive and therapeutic approaches in cancer using human genome sequencing. The ability to characterize the microbiome, which includes all the microbes that reside within and upon us and all their genetic elements, using next-generation sequencing allows us to now incorporate this important contributor to human disease into developing new preventive and therapeutic strategies. In this review we highlight the importance of the microbiome in all aspects of human disease, including pathogenesis, phenotype, prognosis, and response to treatment, as well as their role as diagnostic and therapeutic biomarkers. We provide a role for next-generation sequencing in both precise microbial identification of infectious diseases and characterization of microbial communities and their function. Taken together, the microbiome is emerging as an integral part of precision medicine approach as it not only contributes to interindividual variability in all aspects of a disease but also represents a potentially modifiable factor that is amenable to targeting by therapeutics. PMID- 29202943 TI - U-Shaped Association Between Body Mass Index and Psychological Distress in a Population Sample of 114,218 British Adults. PMID- 29202945 TI - Diffuse Venous Thrombosis. PMID- 29202946 TI - Ductal Carcinoma in Situ of the Breast. PMID- 29202947 TI - 59-Year-Old Woman With Fatigue, Dyspnea, and Lower Extremity Edema. PMID- 29202949 TI - Looking Back, Looking Ahead, Revisited. PMID- 29202948 TI - Queen Anne's Lace, Gooseneck Loosestrife, Untitled (Poppy Maidenhair Fern), Blushing Deathcap, Untitled (Trillium), and Untitled (Trillium, Pear Blossom, Salamander) by Victor Schrager. AB - Recognizing the contribution art has had in the Mayo Clinic environment since the original Mayo Clinic Building was finished in 1914, Mayo Clinic Proceedings features some of the numerous works of art displayed throughout the buildings and grounds on Mayo Clinic campuses as interpreted by the author. PMID- 29202950 TI - Strings of the Heart. PMID- 29202951 TI - Sometimes You Have to Tilt Your Head and Strain to Take a Picture of the Truth. PMID- 29202953 TI - ASE Foundation Needs Your Support! PMID- 29202954 TI - Looking Back and Forward. PMID- 29202952 TI - Factors Influencing Pediatric Outpatient Transthoracic Echocardiography Utilization Before Appropriate Use Criteria Release: A Multicenter Study. AB - BACKGROUND: Although pediatric appropriate use criteria (AUC) for outpatient transthoracic echocardiography (TTE) are available, little is known about TTE utilization patterns before their release. The aims of this study were to determine the relation between AUC and TTE utilization and to identify patient and physician factors associated with discordance between the AUC and clinical practice. METHODS: A retrospective review of 3,000 initial outpatient pediatric cardiology encounters at six centers was performed. Investigator-determined indications were classified using AUC definitions. Concordance between AUC and TTE utilization was determined. Multivariate analysis was performed to identify patient and physician factors associated with TTE's being performed for rarely appropriate and TTE's not being performed for appropriate indications. RESULTS: Concordance between AUC and TTE utilization was 88%. TTE was performed for rarely appropriate indications in 9% and was associated with patient age < 3 months, indications of murmur, noninvasive imaging physician subspecialty, and physician volume. No TTE was ordered for appropriate indications in 3% and was associated with indications including prior test result (primarily abnormal electrocardiographic findings), older patients, and physician subspecialty other than generalist or imaging. There was high variability in TTE utilization among centers. CONCLUSIONS: There was a reasonable degree of concordance between AUC and clinical practice before AUC publication. Several patient and physician factors were associated with discordance with the AUC. These findings should be considered in efforts to disseminate the AUC and in the development of future iterations. The causes for variation among centers deserve further exploration. PMID- 29202955 TI - Serum galectin-9 as a noninvasive biomarker for the detection of endometriosis and pelvic pain or infertility-related gynecologic disorders. AB - OBJECTIVE: To investigate the usefulness of soluble galectin-9 (Gal-9) in the noninvasive laboratory diagnosis of endometriosis and various gynecologic disorders. DESIGN: Prospective case-control study. SETTING: University medical centers. PATIENT(S): A total of 135 women of reproductive age were involved in the study, 77 endometriosis patients, 28 gynecologic controls, and 30 healthy women. INTERVENTION(S): Diagnostic laparoscopy and collection of tissue biopsies, peritoneal cells, and native peripheral blood from different case groups of gynecology patients and healthy women. MAIN OUTCOME MEASURE(S): The expression of mRNA and serum concentration of Gal-9. RESULT(S): Semiquantitative reverse transcription-polymerase chain reaction analysis and serum soluble Gal-9 ELISA were performed on three different cohorts of patients: those with endometriosis, those with benign gynecologic disorders, and healthy controls. Differences in the Gal-9 concentrations between the investigated groups and the stability of Gal-9 in the serum and diagnostic characteristics of Gal-9 ELISA were determined by statistical evaluation and receiver operating characteristic (ROC) curve analysis. Significantly elevated Gal-9 levels were found in both minimal-mild (I II) and moderate-severe (III-IV) stages of endometriosis in comparison with healthy controls. At a cutoff of 132 pg/mL, ROC analysis revealed an excellent diagnostic value of Gal-9 ELISA in endometriosis (area under the curve = 0.973) with a sensitivity of 94% and specificity of 93.75%, indicating better diagnostic potential than that of other endometriosis biomarkers. Furthermore, various pelvic pain or infertility-associated benign gynecologic conditions were also associated with increased serum Gal-9 levels. CONCLUSION(S): Our results suggest that Gal-9 could be a promising noninvasive biomarker of endometriosis and a predictor of various infertility or pelvic pain-related gynecologic disorders. PMID- 29202957 TI - Parental influences on sperm banking attempts among adolescent males newly diagnosed with cancer. AB - OBJECTIVE: To investigate the influence of parental sociodemographic, communication, and psychological factors on sperm collection attempts among at risk adolescent males newly diagnosed with cancer. DESIGN: Prospective, single group, observational study design. SETTING: Pediatric oncology centers. PATIENT(S): Parents (N = 144) of 122 newly diagnosed adolescent males at increased risk for infertility secondary to cancer therapy. INTERVENTION(S): Survey-based assessment of parent factors associated with adolescent collection attempts. MAIN OUTCOME MEASURE(S): Attempt of manual collection of sperm. RESULT(S): Parental recommendation to bank sperm (odds ratio [OR] 3.72; 95% confidence interval [CI] 1.18-11.76) and perceived self-efficacy to facilitate banking (OR 1.20; 95% CI 1.02-1.41) were associated with an increased likelihood of making a collection attempt. CONCLUSION(S): Parental recommendation to bank is a critical influence for sperm banking among adolescent males newly diagnosed with cancer. These findings highlight the importance of effective communication between parents, patients, and health-care teams when discussing preservation options. Parent perceptions of their ability to facilitate sperm banking at the time of diagnosis should also be targeted in future interventions. CLINICAL TRIAL REGISTRATION NUMBER: NCT01152268. PMID- 29202956 TI - Admixture mapping of uterine fibroid size and number in African American women. AB - OBJECTIVE: To evaluate the relationship between genetic ancestry and uterine fibroid characteristics. DESIGN: Cross-sectional study. SETTING: Not applicable. PATIENT(S): A total of 609 African American participants with image- or surgery confirmed fibroids in a biorepository at Vanderbilt University electronic health record biorepository and the Coronary Artery Risk Development in Young Adults studies were included. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Outcome measures include fibroid number (single vs. multiple), volume of largest fibroid, and largest fibroid dimension of all fibroid measurements. RESULT(S): Global ancestry meta-analyses revealed a significant inverse association between percentage of European ancestry and risk of multiple fibroids (odds ratio: 0.78; 95% confidence interval 0.66, 0.93; P=6.05 * 10-3). Local ancestry meta-analyses revealed five suggestive (P<4.80 * 10-3) admixture mapping peaks in 2q14.3 2q21.1, 3p14.2-3p14.1, 7q32.2-7q33, 10q21.1, 14q24.2-14q24.3, for number of fibroids and one suggestive admixture mapping peak (P<1.97 * 10-3) in 10q24.1 10q24.32 for volume of largest fibroid. Single variant association meta-analyses of the strongest associated region from admixture mapping of fibroid number (10q21.1) revealed a strong association at single nucleotide polymorphism variant rs12219990 (odds ratio: 0.41; 95% confidence interval 0.28, 0.60; P=3.82 * 10-6) that was significant after correction for multiple testing. CONCLUSION(S): Increasing African ancestry is associated with multiple fibroids but not with fibroid size. Local ancestry analyses identified several novel genomic regions not previously associated with fibroid number and increasing volume. Future studies are needed to explore the genetic impact that ancestry plays into the development of fibroid characteristics. PMID- 29202958 TI - Transcriptome-wide association study revealed two novel genes associated with nonobstructive azoospermia in a Chinese population. AB - OBJECTIVE: To investigate the associations between genetically cis-regulated gene expression levels and nonobstructive azoospermia (NOA) susceptibility. DESIGN: Transcriptome-wide association study (TWAS). SETTING: Medical university. INTERVENTIONS: None. MAIN OUTCOME MEASURE(S): The cis-hg2 values for each gene were estimated with GCTA software. The effect sizes of cis-single-nucleotide polymorphisms (SNPs) on gene expression were measured using GEMMA software. Gene expression levels were entered into our existing NOA GWAS cohort using GEMMA software. The TWAS P-values were calculated using logistic regression models. RESULT(S): Expression levels of 1,296 cis-heritable genes were entered into our existing NOA GWAS data. The TWAS results identified two novel genes as statistically significantly associated with NOA susceptibility: PILRA and ZNF676. In addition, 6p21.32, previously reported in NOA GWAS, was further validated to be a susceptible region to NOA risk. CONCLUSION(S): Analysis with TWAS provides fruitful targets for follow-up functional studies. PMID- 29202959 TI - Antimullerian hormone levels and antral follicle counts are not reduced compared with community controls in patients with rigorously defined unexplained infertility. AB - OBJECTIVE: To test the hypothesis that women with unexplained infertility demonstrate evidence of diminished ovarian reserve when compared with a population of community controls. DESIGN: Cross-sectional study. SETTING: Multicenter university-based clinical practices. PATIENT(S): Study participants included 277 healthy, normo-ovulatory female partners with rigorously defined unexplained infertility randomly selected from a multicenter trial (Assessment of Multiple Intrauterine Gestations from Ovarian Stimulation). Controls included 226 healthy, normo-ovulatory women not seeking treatment for fertility from a community-based cohort (Ovarian Aging study). INTERVENTION(S): Serum antimullerian hormone (AMH) assay at a central laboratory, FSH, fasting serum metabolic testing, transvaginal ultrasonography for antral follicle counts (AFCs), anthropometric measurements. MAIN OUTCOME MEASURE(S): Average AMH, AFC, and AMH/AFC were compared between infertile and control women by age. Analyses of covariance compared these outcomes while controlling for confounders, including age, race, body mass index, smoking history, and study site. RESULT(S): In our models, AMH, AFC, and AMH/AFC ovarian reserve indices did not differ between infertile women and community-based controls, after controlling for age, race, body mass index, smoking history, and study site. CONCLUSION(S): Currently utilized predictors of ovarian reserve do not discriminate women with rigorously defined unexplained infertility from healthy community-based women of similar demographic characteristics. Contrary to our hypothesis, among women with FSH in the normal range (<=12 IU/L), women with unexplained infertility did not show evidence of decreased ovarian reserve as measured by AMH and AFC. Ovarian reserve markers in isolation may not serve as predictors of future fertility. PMID- 29202961 TI - Erratum. PMID- 29202960 TI - Polycystic ovary syndrome is a risk factor for diabetes and prediabetes in middle aged but not elderly women: a long-term population-based follow-up study. AB - OBJECTIVE: To study the incidence rate and hazard ratios of diabetes and prediabetes between women with PCOS and healthy subjects. DESIGN: Prospective population-based study. SETTING: Not applicable. PATIENT(S): Women with PCOS (n = 178) and eumenorrheic, nonhirsute, healthy women as controls (n = 1,524), all followed for a median time of 12.9 years. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Incidence rate and hazard ratios of diabetes and prediabetes between women with PCOS and healthy controls. RESULT(S): We analyzed the participants on two pathways. First, for detecting new diabetes mellitus (DM) events, we selected participants who were free of DM at baseline (n = 39). Second, for detecting new pre-DM events, we selected participants who were free of pre-DM and DM at baseline (n = 222) from the baseline population. The rest of the population were included for final analysis to calculate the incidence rates and hazard ratio of diabetes and prediabetes events. The incidence rates of diabetes were 12.9 and 4.9 per 1,000 person-years for PCOS and controls, respectively. This incidence rate in women younger than 40 with and without PCOS was 13.4 and 4.2, respectively. The adjusted hazard ratio (HR) for women <=40 was 4.9 (95% confidence interval [CI], 2.5-9.3). There were no statistically significant differences between the two groups studied after age 40. The incidence rates of prediabetes were 29.7 and 25.9 per 1,000 person-years for PCOS and healthy women, respectively. The incidence rate in women younger than 40 with and without PCOS was 30.3 and 23.9, respectively. The adjusted HR for women <=40 years, 1.7 (95% CI, 1.1-2.6), disappeared after age 40. CONCLUSION(S): These data suggest that routine screening for diabetes in prevention strategies does not need to be emphasized for PCOS patients at late reproductive ages if they have not been affected by glucose intolerance up to that point. PMID- 29202962 TI - Introduction: From pathogenesis to therapy, deep endometriosis remains a source of controversy. AB - Deep endometriosis remains a source of controversy. A number of theories may explain its pathogenesis and many arguments support the hypothesis that genetic or epigenetic changes are a prerequisite for development of lesions into deep endometriosis. Deep endometriosis is frequently responsible for pelvic pain, dysmenorrhea, and/or deep dyspareunia, but can also cause obstetrical complications. Diagnosis may be improved by high-quality imaging. Therapeutic approaches are a source of contention as well. In this issue's Views and Reviews, medical and surgical strategies are discussed, and it is emphasized that treatment should be designed according to a patient's symptoms and individual needs. It is also vital that referral centers have the knowledge and experience to treat deep endometriosis medically and/or surgically. The debate must continue because emerging trends in therapy need to be followed and investigated for optimal management. PMID- 29202963 TI - Diagnosis of deep endometriosis: clinical examination, ultrasonography, magnetic resonance imaging, and other techniques. AB - The aim of the present review was to evaluate the contribution of clinical examination and imaging techniques, mainly transvaginal sonography and magnetic resonance imaging (MRI) to diagnose deep infiltrating (DE) locations using prisma statement recommendations. Clinical examination has a relative low sensitivity and specificity to diagnose DE. Independently of DE locations, for all transvaginal sonography techniques a pooled sensitivity and specificity of 79% and 94% are observed approaching criteria for a triage test. Whatever the protocol and MRI devices, the pooled sensitivity and specificity for pelvic endometriosis diagnosis were 94% and 77%, respectively. For rectosigmoid endometriosis, pooled sensitivity and specificity of MRI were 92% and 96%, respectively fulfilling criteria of replacement test. In conclusion, advances in imaging techniques offer high sensitivity and specificity to diagnose DE with at least triage value and for rectosigmoid endometriosis replacement value imposing a revision of the concept of laparoscopy as the gold standard. PMID- 29202964 TI - Obstetrical complications of endometriosis, particularly deep endometriosis. AB - Over the past few years, a new topic in the field of endometriosis has emerged: the potential impact of the disease on pregnancy outcomes. This review aims to summarize in detail the available evidence on the relationship between endometriosis, particularly deep endometriosis (DE), and obstetrical outcomes. Acute complications of DE, such as spontaneous hemoperitoneum, bowel perforation, and uterine rupture, may occur during pregnancy. Although these events represent life-threatening conditions, they are rare and unpredictable. Therefore, the current literature does not support any kind of prophylactic surgery before pregnancy to prevent such complications. Results on the impact of DE on obstetrical outcomes are debatable and characterized by several limitations, including small sample size, lack of adjustment for confounders, lack of adequate control subjects, and other methodologic flaws. For these reasons, it is not possible to draw conclusions on this topic. The strongest evidence shows that DE is associated with higher rates of placenta previa; for other obstetrical outcomes, such as miscarriage, intrauterine growth restriction, preterm birth and hypertensive disorders, results are controversial. Although it is unlikely that surgery of DE may modify the impact of the disease on the course of pregnancy, no study has yet investigated this issue. PMID- 29202965 TI - Role of medical therapy in the management of deep rectovaginal endometriosis. AB - Defining whether medical therapy is effective in women with deep rectovaginal endometriosis and in which circumstances it can be considered an alternative to surgery is important for patients and physicians. Numerous observational and some randomized controlled studies demonstrated that different hormonal drugs improved pain and other symptoms in approximately two-thirds of women with deep rectovaginal endometriosis. Because major differences in the effect size of various compounds were not observed, much importance should be given to safety, tolerability, and cost of medications when counseling patients. Progestins seem to offer the best therapeutic balance when long-term treatments are planned. Women should be informed that hormonal drugs control but do not cure endometriosis and that, to avoid surgery, they should be used for years. Medical therapy is not an alternative to surgery in women with hydronephrosis, severe subocclusive bowel symptoms, and in those wishing a natural conception. A progestin should systematically be chosen as a comparator in future randomized trials on novel medications for deep endometriosis. In the meantime, the use of existing drugs should be optimized, and medical and surgical treatments could be viewed as subsequent stages of a stepwise approach. In general, there is no absolute "best" choice, and women must be thoroughly informed of potential benefits, potential harms, and costs of different therapeutic options and allowed to choose what they deem is better for them. PMID- 29202966 TI - Choosing the right surgical technique for deep endometriosis: shaving, disc excision, or bowel resection? AB - Deep endometriosis (DE) remains the most difficult endometriotic entity to treat. Medical treatment for DE can reduce symptoms but does not cure the disease, and surgical removal of the lesion is required when lesions are symptomatic, impairing bowel, urinary, sexual, and reproductive functions. Although several surgical techniques such as laparoscopic bowel resection, disc excision, and rectal shaving have been described, there is no consensus regarding the choice of technique or the timing of surgery. Our review of publications reporting results and complications of surgery for rectovaginal DE reveals a relatively higher complication rate after bowel resection compared with shaving and disc excision, especially for rectovaginal fistulas, anastomotic leakage, delayed hemorrhage, and long-term bladder catheterization. Data show that shaving is feasible even in advanced disease. The risk of immediate complications after shaving and disc excision is probably lower than after colorectal resection, allowing for better functional outcomes. The presumed higher risk of recurrence related to shaving has not been demonstrated. For these reasons, surgeons should consider rectal shaving as a first-line surgical treatment of rectovaginal DE, regardless of nodule size or association with other digestive localizations. When the result of rectal shaving is unsatisfactory (rare cases), disc excision may be performed either exclusively by laparoscopy or by using transanal staplers. Segmental resection may ultimately be reserved for advanced lesions responsible for major stenosis or for several cases of multiple nodules infiltrating the rectosigmoid junction or sigmoid colon. PMID- 29202967 TI - Does cumulative live birth plateau beyond a certain ovarian response? PMID- 29202968 TI - Child-rearing ability and the provision of fertility services: an Ethics Committee opinion. AB - Fertility programs may withhold services from prospective patients on the basis of well-grounded reasons that those patients will be unable to provide minimally adequate or safe care for offspring. This document was reviewed and updated; this version replaces the previous version of this document, last published July 2013 (Fertil Steril 2013;100:50-53). PMID- 29202969 TI - Markers of ovarian reserve: is it possible to estimate an ovarian age? PMID- 29202970 TI - Male factors affect success of assisted reproductive technology. PMID- 29202971 TI - Unlocking the cause of increased adverse singleton pregnancy outcomes: the role of the assisted reproductive technology derived embryo. PMID- 29202972 TI - Jack LaLanne got it right. PMID- 29202973 TI - Does the risk of diabetes and heart disease in women with polycystic ovary syndrome lessen with age? PMID- 29202974 TI - Embryo aneuploidy is not impacted by selective serotonin reuptake inhibitor exposure. AB - OBJECTIVE: To study whether maternal exposure to selective serotonin reuptake inhibitors (SSRIs) has any influence on rates of blastocyst aneuploidy and/or in vitro fertilization (IVF) cycle outcomes. DESIGN: Retrospective cohort analysis. SETTING: Private and academic IVF center. PATIENT(S): Patients who underwent IVF with preimplantation genetic treatment with trophectoderm biopsy (n = 4,355 cycles) and patients who underwent a single-embryo transfer (SET) between January 2012 and June-2017 (n = 2,132 cycles). INTERVENTION(S): Comprehensive chromosome screening and euploid SET. MAIN OUTCOME MEASURE(S): Odds of embryo aneuploidy. RESULT(S): Of 19,464 embryos analyzed, 3.9% (n = 743) were exposed to a SSRI, and the remaining 96.1% (n = 18,721) were not. The embryo euploid rate was 52.1%, and the aneuploid rate was 42.5%; 5.4% of the reports were inconclusive. No differences were found in clinical and IVF characteristics among the cohorts. After controlling for cofounders, there was no statistically significant associations between exposure to SSRIs and the odds of aneuploidy (adjusted odds ratio [OR] 0.04; 95% confidence interval [CI], -0.04-0.09). In a subanalysis including 2,132 thawed SET cycles, no differences were observed in implantation rate (71.3% vs. 70.1%; OR 0.60; 95% CI, 0.60-1.47), clinical pregnancy rate (58.2% vs. 59.7%; OR 0.70; 95% CI, 0.70-1.61), loss rate (18.5% vs. 11.49%; OR 1.54; 95% CI, 0.94-2.54), or multiple pregnancy rate (0.6% vs. 0; OR 0.7; 95% CI, 0.02-7.32) between cohorts. CONCLUSION(S): Patients exposed to SSRIs in vivo are not susceptible to an increased rate of embryo aneuploidy in IVF. The IVF outcomes of patients exposed to SSRIs do not differ from those of unexposed patients. PMID- 29202976 TI - Perinatal outcomes after natural conception versus in vitro fertilization (IVF) in gestational surrogates: a model to evaluate IVF treatment versus maternal effects. AB - OBJECTIVE: To study the perinatal outcomes between singleton live births achieved with the use of commissioned versus spontaneously conceived embryos carried by the same gestational surrogate. DESIGN: Retrospective cohort study. SETTING: Academic in vitro fertilization center. PATIENT(S): Gestational surrogate. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Pregnancy outcome, gestational age at birth, birth weight, perinatal complications. RESULT(S): We identified 124 gestational surrogates who achieved a total of 494 pregnancies. Pregnancy outcomes for surrogate and spontaneous pregnancies were significantly different (P<.001), with surrogate pregnancies more likely to result in twin pregnancies: 33% vs. 1%. Miscarriage and ectopic rates were similar. Of these pregnancies, there were 352 singleton live births: 103 achieved from commissioned embryos and 249 conceived spontaneously. Surrogate births had lower mean gestational age at delivery (38.8 +/- 2.1 vs. 39.7 +/- 1.4), higher rates of preterm birth (10.7% vs. 3.1%), and higher rates of low birth weight (7.8% vs. 2.4%). Neonates from surrogacy had birth weights that were, on average, 105 g lower. Surrogate births had significantly higher obstetrical complications, including gestational diabetes, hypertension, use of amniocentesis, placenta previa, antibiotic requirement during labor, and cesarean section. CONCLUSION(S): Neonates born from commissioned embryos and carried by gestational surrogates have increased adverse perinatal outcomes, including preterm birth, low birth weight, hypertension, maternal gestational diabetes, and placenta previa, compared with singletons conceived spontaneously and carried by the same woman. Our data suggest that assisted reproductive procedures may potentially affect embryo quality and that its negative impact can not be overcome even with a proven healthy uterine environment. PMID- 29202978 TI - Evidence based review of literature on detriments to healing of diabetic foot ulcers. AB - BACKGROUND: Diabetes mellitus places a substantial burden on society worldwide. Diabetic foot ulcers are a challenging problem for clinicians. Seven generally accepted detriments to healing of diabetic foot ulcers were identified: infection, glycaemic control, vascular supply, smoking, nutrition, deformity and offloading. The aim of this paper is to present a comprehensive evidence based review of the literature available on detriments to healing of diabetic foot ulcers. METHOD: A research question was generated for each of the detriments to healing and a comprehensive review of the literature was performed using the Pubmed database in July 2014. All articles were assessed for relevancy and a level of evidence was assigned. An analysis of the total body of literature was used to assign a grade of recommendation to each detriment. RESULTS: Grade A recommendation was assigned to offloading as there was good evidence supporting this intervention. Grade B recommendation was assigned to deformity as there was fair evidence consistent with the hypothesis. Infection and vascular supply had poor quality evidence supporting the research question and grade C recommendation was assigned. Grade I recommendation was assigned to glycaemic control, smoking and nutrition as there was insufficient and conflicting evidence available. CONCLUSION: Our literature review revealed good evidence for some factors and insufficient literature on others. Further studies are needed to provide quality evidence regarding detriments to healing of diabetic ulcers. PMID- 29202975 TI - Diminished ovarian reserve as measured by means of baseline follicle-stimulating hormone and antral follicle count is not associated with pregnancy loss in younger in vitro fertilization patients. AB - OBJECTIVE: To assess the relationship between diminished ovarian reserve and pregnancy outcomes in a large cohort of women achieving pregnancy through in vitro fertilization (IVF). We evaluated antral follicle count (AFC) and baseline FSH as a measure of ovarian reserve. Secondarily, we assessed whether diminished ovarian reserve was associated with aneuploidy among spontaneous abortions. DESIGN: Retrospective cohort study. SETTING: Multicenter private practice. PATIENT(S): All patients aged 21-44 years undergoing fresh autologous IVF cycles during 2009-2013 that resulted in positive serum hCG with recorded baseline FSH levels. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Live births per early pregnancy, biochemical pregnancies, clinical pregnancy losses, and aneuploidy rates in products of conception among pregnancy losses. RESULT(S): A total of 9,489 cycles among 8,214 patients were analyzed. There was no association between live birth and ovarian reserve among pregnant IVF patients under the age of 35 years. Among patients 35 years of age and older, elevated baseline FSH was associated with a higher risk of pregnancy loss, which increased with increasing age. AFC was not significantly associated with pregnancy loss at any age. No associations were found between ovarian reserve measures and aneuploidy in products of conception in age-adjusted analyses, although the power to effectively evaluate this was limited. CONCLUSION(S): Diminished ovarian reserve is not associated with an increase in miscarriage among younger women achieving pregnancy through IVF. Elevated FSH is associated with a higher risk of IVF pregnancy loss among older patients. We found no evidence to confirm that diminished ovarian reserve is associated with increased aneuploidy among spontaneous abortions. PMID- 29202979 TI - The functional outcome and quality of life after treatment of isolated medial malleolar fractures. AB - BACKGROUND: The optimal treatment of isolated medial malleolar fractures is widely debated. The aim of this study is to analyse the different treatment methods. METHODS: The study included 137 patients with an isolated medial malleolar fracture treated at our hospital between 2000 and 2010. Functional outcome was assessed using Olerud-Molander score and health-related quality-of life (HRQoL) was measured with RAND36 item health survey. Patients were sent follow-up questionnaires after an average of 9.5 years (4.3-15.2) from the date of treatment. RESULTS: The overall improvement in function was equivalent in both operative and non-operative treatment groups. However, the outcome scores declined in both groups as the primary displacement increased, regardless of the treatment method. HRQoL was similar in both groups. CONCLUSIONS: If maximal fracture displacement is <=2mm, isolated medial malleolar fractures can be treated non-operatively with good outcome, but the operative treatment may also be performed without serious complications. The degree of fracture displacement is an independent risk factor for inferior functional result, regardless of the treatment method. LEVEL OF EVIDENCE: Therapeutic level of evidence: IV, retrospective cohort study. PMID- 29202980 TI - Computed tomography measurements of the lesser metatarsal heads: Anatomic considerations for surgeons performing distal metatarsal osteotomies. AB - BACKGROUND: The purpose of the current study was to provide a standardized, anatomical description of the lesser metatarsals to assist surgeons when planning distal metatarsal surgery and fixation. METHODS: Eighty CT scans were included for assessment, based on a priori power analysis. Patient age was a mean 52.7+/ 16.6 years (24-83). Metatarsals two through five were assessed in all patients. Three independent observers completed measurements for all metatarsals. Three measurements were made on all metatarsals, including a vertical height and metatarsal head and neck measurements. Statistical analysis was performed (alpha value 0.05). Inter-observer reliability was assessed for all measurements and intra-class correlation (ICC) reported. RESULTS: A sequential decrease in metatarsal measurements was noted from the second to the fifth metatarsal. A mean vertical height measurement of 16.1+/-1.4mm (range, 13.4-19.4) was recorded for the second metatarsal, decreasing 13.0+/-1.1mm (range, 10.3-16.1) for fifth. There were no significant differences in metatarsal measurements based on gender in our study. Similar patient and metatarsal variability was seen head and neck measurements. Intraclass correlation coefficients (ICC) for metatarsal measurements were greater than 0.9 [95% CI; 0.936-0.991] correlation, denoting an 'excellent' interobserver reliability. CONCLUSION: This study provides a baseline anatomical description of the distal metatarsals. These findings, including the variation found between patients and between metatarsal two through five, are relevant to surgeons planning and performing distal metatarsal osteotomies. PMID- 29202981 TI - Matrix-associated stem cell transplantation (MAST) in chondral defects of the ankle is safe and effective - 2-year-followup in 130 patients. AB - BACKGROUND: The aim of the study was to assess the 2-year-follow-up of matrix associated stem cell transplantation (MAST) in chondral defects of the ankle. METHODS: In a prospective consecutive non-controlled clinical follow-up study, all patients with chondral defect that were treated with MAST from October 1, 2011 to July 31, 2013 were analyzed. Size and location of the chondral defects, method-associated problems and the Visual Analogue Scale Foot and Ankle (VAS FA) before treatment and at follow-up were analyzed. Stem cell-rich blood was harvested from the ipsilateral pelvic bone marrow and centrifuged (10min, 1500rpm). The supernatant was used to impregnate a collagen I/III matrix (Chondro Gide). The matrix was fixed into the chondral defect with fibrin glue. RESULTS: One hundred and forty-four patients with 150 chondral defects were included in the study. The age of the patients was 35 years on average (range, 12-68 years), 85 (59%) were male. The VAS FA before surgery was 48.5 on average (range, 16.5 78.8). The defects were located as follows, medial talar shoulder, n=62; lateral talar shoulder, n=66 (medial and lateral talar shoulder, n=6), tibia, n=22. The defect size was 1.6cm2 on average (range, .6-6cm2). 130 patients (90%) completed 2-year-follow-up. The VAS FA improved to an average of 87.5 (range, 62.1-100; t test (comparison with preoperative scores), p=.01). CONCLUSIONS: MAST led to improved and high validated outcome scores. No method related complications were registered. Even though a control group is missing, we conclude that MAST is a safe and effective method for the treatment of chondral defects of the ankle. PMID- 29202982 TI - Comparison of outcomes of osteosynthesis in type II accessory navicular by variable fixation methods. AB - BACKGROUND: To compare the outcomes of fixation methods for osteosynthesis of a type II symptomatic accessory navicular between screw and tension band wiring. METHODS: Forty-four patients (mean age, 29.2 years; range, 13-54 years; 21 males and 23 females) who had undergone operative treatment after failed conservative treatment were chosen for the study between 2007 and 2014. The patients were divided into two groups by the method of osteosynthesis: group 1 (screw) and group 2 (tension band wiring). Pre and postoperative evaluations were performed, using the midfoot scale from the American Orthopaedic Foot and Ankle Society (AOFAS), a visual analog scale, time to return to social activities, and plain radiography. RESULTS: The AOFAS midfoot and visual analog scale scores of both groups were improved at the last postoperative follow-up. The time to return to social activities was 12.3 weeks in the screw group and 11.9 weeks in the tension band wiring group (p=0.394). A broken screw was observed in one case in the screw group and a broken k-wire was detected in two cases in the tension band wiring group. Nonunion was observed in two cases in each group. CONCLUSION: The tension band wiring technique could be another treatment choice of osteosynthesis for fixation of the accessory navicular bone. LEVEL OF EVIDENCE: Level III, Retrospective Case Control Study. PMID- 29202983 TI - Influence of tibialis posterior muscle activation on foot anatomy under axial loading: A biomechanical CT human cadaveric study. AB - BACKGROUND: Collapse of the medial longitudinal arch and subluxation of the subtalar joint are common occurrences in adult flatfoot deformity. Controversy exists about the role of the tibialis posterior (TP) tendon as first and/or essential lesion. Subtle changes in the foot configuration can occur under weight bearing. PURPOSE: This human cadaveric study is designed to investigate the effect that isolated actuation of the TP tendon has on the medial longitudinal arch and the hindfoot configuration under simulated weight bearing. METHODS: A radiolucent frame was developed to apply axial loading on cadaveric lower legs during computer tomography (CT) examinations. Eight pairs of fresh-frozen specimens were imaged in neutral position under foot-flat loading (75N) and under single-leg stance weight bearing (700N) without and with addition of 150N pulling force on the TP tendon. Measurements of subtalar joint subluxation, forefoot arch angle and talo-first metatarsal angle were conducted on each set of CT scans. RESULTS: Subtalar subluxation, talo-first metatarsal angle and talo-navicular coverage angle significantly increased under single-leg stance weight bearing, whereas forefoot arch angle significantly decreased. Actuation of the TP tendon under weight bearing did not restore the forefoot arch angle or correct subtalar subluxation and talo-metatarsal angle. CONCLUSION: Significant effect that weight bearing has on the medial longitudinal arch and the subtalar joint configuration is demonstrated in an ex-vivo model. In absence of other medial column derangement, actuation of the TP tendon alone does not seem to reconstitute the integrity of the medial longitudinal arch or correct the hindfoot subluxation under weight bearing. CLINICAL RELEVANCE: The findings of this study together with the developed model for ex-vivo investigation provide a further insight in foot anatomy. PMID- 29202984 TI - Screwless scarf osteotomy for hallux valgus: Evaluation of radiologic correction. AB - BACKGROUND: The scarf osteotomy is a standard procedure to correct hallux valgus. Recent modifications in the technique allow for important translations of the bone fragments without the need for screw fixation. We performed the first prospective analysis of radiographic parameters after a screwless scarf osteotomy. Prospective study of pre- and postoperative standing radiographs of the feet let us quantify angle reduction and shortening, lengthening or lowering of the first metatarsal. METHODS: 100 patients undergoing a screwless scarf osteotomy were evaluated radiographically before and after surgery. The 1-2 IM angle, HVA, length of the first metatarsal, protrusion length and height of the first metatarsal head were measured. RESULTS: The mean 1-2 IM angle was reduced significantly, to a normal range. The mean reduction of the first metatarsal length and protrusion length was 0.3 and 0.14cm respectively. The metatarsal head was lowered 0.3cm on average. CONCLUSIONS: A minimal mean reduction of the first metatarsal length was observed, but it is possible to lengthen the first metatarsal if necessary. In 23% of cases, an increase of protrusion length was obtained. The screwless scarf osteotomy results in a good correction of the 1-2 IM angle and HVA. If necessary, plantarisation of the first metatarsal head could be obtained. Secondary displacement was seen in 1 patient. LEVEL OF EVIDENCE: IIa, prospective controlled trial. PMID- 29202985 TI - Surgical resident involvement in foot and ankle surgery. AB - BACKGROUND: Surgical resident participation in the operating room is necessary for education and progression toward safe and independent practice. However, the impact of resident involvement on patient outcomes in foot and ankle surgery is unknown. METHODS: The American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP) database (2005-2012) was used to identify common foot and ankle procedures (by Current Procedural Taxonomy (CPT) code) performed by orthopedic surgeons. Resident participation was determined using the NSQIP collected variable 'pgy'; cases missing the pgy variable were excluded. Multivariate regression models were constructed to determine an association between resident involvement and 30-day morbidity (total, medical, and surgical complications) and 30-day mortality, when controlling for patient demographics, comorbidities, American Society for Anesthesiologist (ASA) status, body mass index (BMI), and smoking status. RESULTS: A total of 13,685 cases were analyzed for 24 common foot and ankle operations. Overall mortality rate was 3.60%. Overall complication rate was 16.9%; 10.9% had medical and 8.3% had surgical complications. Residents were involved in 55.6% of cases. In unadjusted analyses, resident cases were less likely to be emergent, but were performed on more complicated patients (i.e. higher comorbidity burden, higher ASA scores). Resident cases had increased total morbidity (18.8% vs. 14.6%, p<0.001), medical complications (12.5% vs. 9.0%, p<0.001), and surgical complications (8.7% vs. 7.7%, p=0.03), but similar mortality frequency (3.8% vs. 3.3%, p=0.2). In multivariable analyses, resident cases did not correlate with 30-day mortality, 30-day total morbidity, or 30-day surgical complications; resident cases were, however, associated with increased medical complications [Odds Ratio (OR) 1.18 (95% Confidence Interval (CI) 1.02-1.37, p=0.03)] and longer length of stay [Coeff 2.38 (1.68-3.09), p<0.001]. Subgroup analyses of orthopedic-only cases demonstrated no statistical association between resident involvement and mortality, total morbidity, or medical complications; a decrease in surgical complications was observed for open reduction internal fixation cases [OR 0.23 (0.06-0.82), p=0.02]. CONCLUSIONS: Resident involvement in foot and ankle surgery is not associated with changes in 30-day mortality, 30-day total morbidity, or 30 day surgical complication rates. Residents operate on more medically complex patients who experience higher medical complication rates and longer postoperative length of stay; however, the cause and directionality of this relationship remains to be determined. Efforts to improve the quality of foot and ankle surgery with resident involvement should target reductions in post operative medical complications. LEVEL OF EVIDENCE: Prognostic study, Level II. PMID- 29202986 TI - Arthrodesis of the first metatarsophalangeal joint-A biomechanical comparison of four fixation techniques. AB - BACKGROUND: Arthrodesis of the first metatarsophalangeal joint is a commonly performed orthopaedic procedure. The optimum method of fixation and joint surface preparation has yet to be determined. METHODS: This study compared four fixation techniques: Biomechanical grade sawbones were used. The dorsal plate used was a titanium, anatomically contoured locked plate. Testing was performed using an Instron machine applying force from the plantar aspect of the fused joint. Each fused sample was tested to failure. Stiffness, as calculated from the force displacement curve, and ultimate load tolerated were recorded for each sample. The method of failure of each sample was also documented. RESULTS: Constructs arthrodesed using dorsal plate with separate screw groups, regardless of method of joint preparation, were the stiffest (p<0.001). The weakest construct was dorsal plate alone without interfragmenary screw. There was no difference in stiffness between planar and cup-cone joint preparation (p=0.99). Maximum load tolerated was similar when comparing Crossed Screws with dorsal plate with screw with either cup-cone or planar reaming (p=0.93, p=0.89 respectively). Dorsal plating alone tolerated a significantly lower maximum load than Plate with Screw Groups or Crossed Screws (p<0.001). CONCLUSION: This study confirms that an IFS combined with a dorsally positioned locked-plate is the ideal construct, with the joint preparation technique of little consequence. PMID- 29202987 TI - Development and reliability of the Achilles Tendon Length Measure and comparison with the Achilles Tendon Resting Angle on patients with an Achilles tendon rupture. AB - BACKGROUND: There is a need for a valid, reliable, and easily applicable clinical measure of the length of the Achilles tendon (AT) after rupture. This study examines the reliability of a new ruler based measurement, the Achilles Tendon Length Measure (ATLM) in comparison with the goniometer-based Achilles Tendon Resting Angle (ATRA). METHODS: Measurements were performed by two independent physiotherapists eight weeks after AT rupture on 28 patients treated non operatively. RESULTS: The mean (SD) injured ATLM was 56.5 (2.3)cm, ICC2.1 0.91(CI [0.72-0.97]), SEM 0.7cm (SEM% 1.2), MDC 1.9cm (MDC% 3.4). Corresponding data for the injured ATRA was mean 64.4 degrees (3.9 degrees ), ICC2.1 0.84 (CI [0.68-0 92]), SEM 1.5 degrees (SEM% 2.4), MDC 4.3 degrees (MDC% 6.6). CONCLUSION: Both ATLM and ATRA showed excellent inter-rater reliability with low measurement error. Both measurements seem easy to use in clinical practice and potentially providing an indirect measure of the length of the AT after rupture. PMID- 29202988 TI - Mobile phone generated vibrations used to detect diabetic peripheral neuropathy. AB - BACKGROUND: In the current United Kingdom population the incidence of diabetic peripheral neuropathy is increasing. The presence of diabetic neuropathy affects decision making and treatment options. This study seeks to evaluate if the vibrations generated from a mobile phone can be used to screen patients for diabetic peripheral neuropathy. METHODS: This study comprised of 61 patients; a control group of 21 patients; a lower limb injury group of 19 patients; a diabetic peripheral neuropathy group of 21 patients. The control and injury group were recruited randomly from fracture clinics. The diabetic peripheral neuropathy group were randomly recruited from the diabetic foot clinic. The 61 patients were examined using a 10g Semmes-Weinstein monofilament, a 128Hz tuning fork and a vibrating mobile phone. The points tested were, index finger, patella, lateral malleoli, medial malleoli, heel, first and fifth metatarsal heads. RESULTS: The most accurate location of all the clinical tests was the head of the 1st metatarsal at 0.86. The overall accuracy of the tuning fork was 0.77, the ten gram monofilament 0.79 and the mobile phone accuracy was 0.88. The control group felt 420 of 441 tests (95%). The injury group felt 349 of 399 tests (87%). The neuropathic group felt 216 of 441 tests (48%). There is a significant difference in the number of tests felt between the control and both the injury and neuropathic groups. p<0.0001 using N-1 Two Proportion Test. CONCLUSION: A mobile phone is an accurate screening tool for diabetic peripheral neuropathy. The most accurate location to test for diabetic peripheral neuropathy is the head of the 1st metatarsal. Screening for diabetic peripheral neuropathy in the index finger and patella were inaccurate. An injury to the lower limb affects the patient's vibration sensation, we would therefore recommend screening the contralateral limb to the injury. LEVEL OF EVIDENCE: This study represents level II evidence of a new diagnostic investigation. PMID- 29202989 TI - Cadaveric experiments to evaluate pressure wave generated by radial shockwave treatment of plantar fasciitis. AB - BACKGROUND: Shockwave treatment is increasingly used for plantar fasciitis and Achilles tendinopathy. To be effective it is believed that high pressure must be achieved in the tissues. We report on the first human cadaveric experiments to characterize pressure from radial shockwave therapy (rSWT) for plantar fasciitis. METHODS: The pressure from rSWT was measured in two cadaveric feet using a needle hydrophone. Maximal pressure and energy flux were calculated from the measurements. RESULTS: The pressure persisted longer than supposed, for up to 400MUs. The peak negative pressure was up to two Mega Pascal. The predicted energy in the tissue strongly depended on the time interval used in calculations. CONCLUSIONS: The measured pressure may be sufficiently high to cause cavitation in the tissue, which is one of the proposed healing mechanisms associated with rSWT. The results suggest that the energy is imparted to the tissues for much longer than previously thought. PMID- 29202990 TI - Biological reconstruction of large osteochondral lesions of the talar dome with a modified "sandwich" technique-Midterm results. AB - BACKGROUND: Surgical treatment for large osteochondral lesions of the talar dome (OLTD) must restore the convexity and curvature of the talus. Here, we present midterm results and describe the modified "sandwich" reconstruction procedure. Bone defects were restored using a biological inlay consists of autologous bone chips that were mixed with bone marrow concentrate and fibrin glue and covered with a xenogeneic collagen membrane infiltrated with bone marrow concentrate and stabilized by fibrin glue. METHODS: Ten patients who were treated using a modified "sandwich" OLTD reconstruction were assessed after an average follow-up period of 46.4 (+/-18) months, using the clinical American Orthopaedic Foot and Ankle Society Ankle Hindfoot Scale (AOFAS) score and radiological magnetic resonance observation of cartilage repair tissue (MOCART) score. RESULTS: The mean AOFAS score increased significantly from 58.3 (+/-8.5) points to 81.8 (+/ 15.5) points as well the mean VAS score reduced significantly from 5.58 (+/-0.97) to 1.83 (+/-0.93) points. The average MOCART score was 69.5% (+/-16.7%) in the final follow-up. CONCLUSIONS: The presented modified "sandwich" technique permanently recreates the convexity and curvature in large osteochondral lesions of the talar dome with a single step surgical procedure. PMID- 29202991 TI - Osteochondral Lesions of the Talus Treatment With Fresh Frozen Allograft. AB - INTRODUCTION: Symptomatic talar osteochondral lesions are about 50% refractory to conservative treatment requiring a surgical solution. In the case of large chronic lesions, the use of bone graft taken from tissue bank is an alternative that enables to fill the defect without causing donor site morbidity. MATERIAL AND METHODS: Eight patients treated with talar osteochondral allograft in lesions greater than 20mm in diameter were analyzed - 4 males and 4 females aging 39.5 years old on average. Evaluation was performed according to AOFAS scale and VAS as well as incorporation and continuation evaluations according to CT and MRI studies. A follow-up of 46.8 months on average was done. RESULTS: A 34.6-point improvement on average according to AOFAS. A 6.7-point pain improvement on average according to VAS. Incorporation in 100% of the cases. Two cases showed partial resorption and one case showed peri-graft lysis less than 30%. There was no collapse. CONCLUSIONS: Fresh frozen osteochondral allografts are a viable alternative when treating large osteochondral lesions, thereby avoiding morbidity of autologous donor areas or arthrodesis procedures. PMID- 29202992 TI - Beneficial clinical effects but limited tissue quality following osteochondral repair with a cell-free multilayered nano-composite scaffold in the talus. AB - BACKGROUND: The treatment of larger osteochondral lesions of the talus remains an operative challenge. In addition to micro fracturing and osteochondral transplantation one promising strategy could be the operative repair with a cell free multilayered nano-composite scaffold with the potential to regenerate bone and cartilage in one treatment. METHODS: In this prospective case series four consecutive patients who suffered from a single osteochondral lesion (>=1.5cm2) on the medial talus were enrolled. The repair potential of the implant was assessed using MRI based biochemical, compositional MR sequences (T2 mapping) as well as semi-quantitative morphological analyses (MOCART score) at 18 months follow-up after the surgery. The clinical outcome was determined at 6-, 12-, 18-, and 24 months follow-up by using the Ankle Disability Index and the AOFAS score. RESULTS: At 18 months after the surgery, the clinical outcome was significantly improved compared to the preoperative baseline. Global T2 relaxation times of the repair tissue were significantly increased compared to the healthy control cartilage. CONCLUSIONS: Osteochondral repair with a cell-free, biomimetic scaffold provides good clinical, short-term results. However, biochemical MR imaging provides strong evidence for limited repair tissue quality at 18 months after the implantation. LEVEL OF EVIDENCE: IV. PMID- 29202993 TI - Wide-awake foot and ankle surgery: A retrospective analysis. AB - BACKGROUND: The "wide-awake" approach to foot and ankle surgery is characterized by a surgeon-administered mixture of local anesthetic and epinephrine. No tourniquet, sedation, or general anesthesia are required for surgery. This paper describes a retrospective survey of the initial patients to undergo wide-awake foot and ankle surgery at our center. METHODS: Thirty former wide-awake patients were surveyed about their perioperative anxiety, pain, and satisfaction. RESULTS: Twenty-seven of 30 patients (90%) completed the survey. Patients received a variety of forefoot, hindfoot, and lower leg procedures. In general, they reported a decrease in anxiety over the course of the perioperative period (p=0.005). Pain fell from the preoperative to the intraoperative period, then rose to preoperative levels during recovery (p<0.001). Most patients said that the surgery was better than expected (83%); would choose wide-awake surgery for a subsequent procedure (87%); and would recommend wide-awake surgery to someone who required surgery (88%). CONCLUSIONS: Results indicate that the wide-awake approach to foot and ankle surgery causes little discomfort to patients who receive many common procedures. The removal of hindfoot hardware under local anesthesia is contraindicated. PMID- 29202994 TI - Functional outcomes following surgical-site infections after operative fixation of closed ankle fractures. AB - BACKGROUND: To compare the functional outcomes between patients with and without postoperative surgical-site infection (SSI) after surgical treatment in closed ankle fractures. METHODS: Retrospective cohort study with prospective follow-up. Of 1011 treated patients, 959 were eligible for inclusion in a postal survey. Functional outcomes were assessed using three self-reported questionnaires. RESULTS: In total 567 patients responded a median of 4.3 years (range 3.1-6.2 years) after surgery. In total 29/567 had an SSI. The mean Olerud and Molander Ankle Score was 19.8 points lower for patients with a deep SSI (p=0.02), the Lower Extremity Functional Scale score was 10.2 points lower (p<0.01) and the Self-Reported Foot & Ankle Questionnaire score was 5.0 points higher (p=0.10) than for those without an SSI, after adjusting for age, sex, smoking status, diabetes, physical status, fracture classification and duration of surgery. CONCLUSIONS: Patients with a deep SSI had worse long-term functional outcomes than those without an SSI. PMID- 29202995 TI - An evaluation of the Herscovici classification for fractures of the medial malleolus. AB - BACKGROUND: Despite its use in the literature, the application of the Herscovici classification system for medial malleolus fractures has not been evaluated. METHODS: We aimed to determine the reliability and accuracy of the Herscovici classification. The blinded radiographs of 130 patients were independently classified by four orthopaedic trauma surgeons. We held a consensus meeting where observers agreed on a final classification and this served as our reference standard. We used weighted kappa (kappa) coefficients of agreement. RESULTS: Twenty-four fractures (18%) were deemed unclassifiable. The classification system demonstrated moderate inter-observer reliability (kappa=0.54, 95% CI 0.40-0.68) but substantial reproducibility (kappa=0.64, 95% CI 0.51-0.79). Accuracy, when compared with the reference standard, was kappa=0.54 (95% CI 0.40-0.66). CONCLUSIONS: The obliquity of the fracture line, and fracture extension, created difficulty in classification in 26% of cases. 18% of our cases could not be classified by majority decision. Our results emphasise the challenges faced in classifying these fractures. Future work should focus on refining the Herscovici classification. PMID- 29202996 TI - Epidemiology of calcaneal fractures in Finland. AB - BACKGROUND: The purpose of this study was to assess the nationwide incidence (per 100,000 person-years) of operative treatment and hospitalization due to calcaneal fractures (CF) in Finland. METHODS: The study was based on the Finnish National Hospital Discharge Register. All patients aged 18-years or older admitted to Finnish hospitals for primary treatment of CF in 1987-2012 were included. RESULTS: During the 26-year study period 5977 patients were hospitalized with main or secondary diagnosis of a CF. The incidence of hospitalization due to CF remained relatively stable: (12.5)/100,000 in men and 3.9/100,000 in women. The men were younger (median 43 years) than the women (median 61 years). CONCLUSIONS: The incidence of the hospitalization due to CF in Finland has remained at steady level during the past 26 years. The incidence of CF is three times higher in men. In 2012 22% of the fractures were operatively treated. PMID- 29202997 TI - Arthroscopic treatment of intra-artricularly localised pigmented villonodular synovitis of the ankle: 4 cases with long-term follow-up. AB - BACKGROUND CONTEXT: Pigmented villonodular synovitis (PVNS) is a rare, locally aggressive benign proliferative pathology of synovial tissue. Lesions are classified regarding location as diffuse or localised which are same as histologically. Intra-articularly localised type is relatively rare, especially in the ankle joint. Because of the high recurrence rate and aggressive nature, localised lesions should be excised totally. PURPOSE: We performed a retrospective study of 4 patients with intra-articularly localised PVNS in the ankle joint who were treated by total arthroscopic excision and evaluated for functional results and recurrence rate. STUDY DESIGN: Case series. PATIENT SAMPLE: The mean age of the patients was 27 (17-46) years at the time of arthroscopic surgery. The mean follow-up time was 33 (24-48) months. METHODS: Functional evaluation according to the Musculoskeletal Tumour Society Score was performed, and patients were evaluated for recurrence by MR imaging. RESULTS: In all patients, functional results were excellent and there was no recurrence. CONCLUSIONS: This study demonstrates that the intra-articularly localised PVNS can be successfully treated with arthroscopic procedures without recurrence. PMID- 29202998 TI - A rare cause of lateral ankle pain: A symptomatic talus secundarius. AB - The talus secundarius is one of the rarest accessory tarsal bones, being present in 0.01% of all ankles. It is located at the lateral side of the talus, distally to the tip of the fibula. Hitherto, only five cases of a symptomatic talus secundarius have been described in literature. We presented a case of bilateral symptomatic talus secundarius in a young gymnast. There was a difference in size of the two accessory bones. The large talus secundarius in the left ankle was fixated, in the right ankle the fragment was excised. Both excision and fixation in the presented patient led to satisfactory results, both in the short and long term outcome. PMID- 29202999 TI - Epithelioid sarcoma of the plantar fascia mimicking Morbus Ledderhose - A severe pitfall for clinical and histopathological misinterpretation. AB - Plantar fibromatosis, also known as Morbus Ledderhose, is a well known and frequently encountered disorder of the planta pedis. When conservative treatment fails, surgical therapy with complete resection is the therapeutical procedure of choice. Soft tissue sarcoma is a heterogeneous and rare malignant disease of the musculoskeletal system with over 50 histopathological subtypes which can potentially arise in any localization but is most commonly found at the extremities. Here, we report the case of an epithelioid sarcoma of the sole of the foot which was initially and repeatedly clinically and histopathologically misinterpreted as plantar fibromatosis, receiving insufficient resection and subsequently ending in amputation of the lower leg. PMID- 29203000 TI - Revision with suture-tape augmentation after failed collateral ligament reconstruction for chronic interphalangeal instability of the hallux. AB - Chronic varus instability or recurrent subluxation following isolated interphalangeal dislocation of the hallux is a rare injury. No consensus has been reached regarding the best joint-salvage procedure for patients with the failed collateral ligament reconstruction using tendon graft. We report a case who achieved satisfactory clinical outcome through a modified surgical procedure (revision collateral ligament reconstruction augmented with suture-tape). PMID- 29203001 TI - Technique using the modified rolling hitch for split peroneus brevis tendon transfer in lateral ankle stabilization. AB - We report our technique for split peroneus brevis lateral ankle stabilization using the modified rolling hitch for tendon graft fixation. Applying the modified rolling hitch for tendon grasping in this procedure was useful, and it could decrease the surgical time and avoid the tendon injury caused by the needle. PMID- 29203002 TI - Complete tendon Achilles rupture following injection of Aethoxysklerol (polidocanol) for the treatment of chronic Achilles tendinopathy. AB - Achilles tendinopathy can be a chronic disabling condition affecting both athletic and sedentary patients. Multiple new treatment approaches have developed, including shock wave therapy and various types of injection. One of the novel treatment methods used is the injection of Aethoxysklerol or polidocanol, a sclerosing substance injected under ultrasound guidance targeting areas of neovascularisation. We report the case of a 78-year-old lady who suffered a complete Achilles tendon rupture following injection of Aethoxysklerol. This is the first case of Achilles tendon rupture following Aethoxysklerol injection in isolation to our knowledge in the literature and the first published complication of this treatment. PMID- 29203003 TI - Long term follow-up and development of foot complaints in a surgically treated mirror foot-A case report and review of literature. AB - BACKGROUND: Mirror foot is a rare anomaly and limited long term follow-up information is available. METHODS: Seven years after operation a mirror foot patient returned with foot complaints and was evaluated using radiographs and clinical examination. A systematic literature search was conducted to study foot complaints in mirror feet. RESULTS: Different origins of foot pain were considered in our patient; tibia length difference, deformed talus and accessory osseous structures in the tarsal region. Literature search resulted in 118 mirror feet. Based on cases reporting osseous structures, 74.2% showed tibia abnormalities and 94.5% an abnormal tarsal region. Only three cases mentioned a normal talus. Nine cases reported a follow-up period of more than five years. CONCLUSION: Osseous abnormalities are not always visible at birth, but are often present. Therefore, detailed examination of the affected limb in mirror foot patients with foot pain is important, in order to localize the origin. PMID- 29203004 TI - Fatal crashes involving large numbers of vehicles and weather. AB - INTRODUCTION: Adverse weather has been recognized as a significant threat to traffic safety. However, relationships between fatal crashes involving large numbers of vehicles and weather are rarely studied according to the low occurrence of crashes involving large numbers of vehicles. METHOD: By using all 1,513,792 fatal crashes in the Fatality Analysis Reporting System (FARS) data, 1975-2014, we successfully described these relationships. RESULTS: We found: (a) fatal crashes involving more than 35 vehicles are most likely to occur in snow or fog; (b) fatal crashes in rain are three times as likely to involve 10 or more vehicles as fatal crashes in good weather; (c) fatal crashes in snow [or fog] are 24 times [35 times] as likely to involve 10 or more vehicles as fatal crashes in good weather. If the example had used 20 vehicles, the risk ratios would be 6 for rain, 158 for snow, and 171 for fog. CONCLUSIONS: To reduce the risk of involvement in fatal crashes with large numbers of vehicles, drivers should slow down more than they currently do under adverse weather conditions. Driver deaths per fatal crash increase slowly with increasing numbers of involved vehicles when it is snowing or raining, but more steeply when clear or foggy. PRACTICAL APPLICATIONS: We conclude that in order to reduce risk of involvement in crashes involving large numbers of vehicles, drivers must reduce speed in fog, and in snow or rain, reduce speed by even more than they already do. PMID- 29203006 TI - Letter from the Editors. PMID- 29203005 TI - STEADI: CDC's approach to make older adult fall prevention part of every primary care practice. AB - INTRODUCTION: Primary care providers play a critical role in protecting older adult patients from one of the biggest threats to their health and independence falls. A fall among an older adult patient cannot only be fatal or cause a devastating injury, but can also lead to problems that can effect a patient's overall quality of life. METHODS: In response, the Centers for Disease Control and Prevention (CDC) developed the STEADI initiative to give health care providers the tools they need to help reduce their older adult patient's risk of a fall. RESULTS: CDC's STEADI resources have been distributed widely and include practical materials and tools for health care providers and their patients that are designed to be integrated into every primary care practice. CONCLUSION: As the population ages, the need for fall prevention efforts, such as CDC's STEADI, will become increasingly critical to safeguard the health of Americans. PRACTICAL APPLICATIONS: STEADI's electronic health records (EHRs), online trainings, assessment tools, and patient education materials are available at no-cost and can be downloaded online at www.cdc.gov/STEADI. Health care providers should look for opportunities to integrate STEADI materials into their practice, using a team based approach, to help protect their older patients. PMID- 29203007 TI - The 5th International Symposium on Naturalistic Driving Research. PMID- 29203008 TI - A validation of the low mileage bias using naturalistic driving study data. AB - INTRODUCTION: This paper evaluated the low mileage bias (LMB) phenomenon for senior drivers using data mined from the Second Strategic Highway Research Program (SHRP 2) Naturalistic Driving Study. Supporters of the LMB construct postulate that it is only those seniors who drive the lowest annual mileage who are primarily responsible for the increased crash rates traditionally attributed to this population in general. METHOD: The current analysis included 802 participants, all aged 65 or older who were involved in 163 property damage and injury crashes, and deemed to be at-fault in 123 (75%) of those instances. Poisson regression models were used to evaluate the association between annualized mileage driven and crash risk. RESULTS: Results show that the crash rate for drivers with lower annualized mileage (i.e., especially for those driving fewer than approximately 3000miles per year) was significantly higher than that of drivers with higher annualized mileage, and that 25% of the overall sample were low- mileage drivers according to this criterion. Data were also evaluated by gender and meta-age group (i.e., younger-old: 65-74 and older-old: 75-99), and the results were consistent across these sub-groups. CONCLUSIONS: This study provides strong support for the existence of the LMB. PRACTICAL APPLICATIONS: These results can help to reshape how transportation safety stakeholders view senior drivers in general and help them to focus their efforts on those seniors most in need of either risk-reducing countermeasures or alternative means of transportation. PMID- 29203009 TI - Motorcyclists' self-reported riding mileage versus actual riding mileage in the following year. AB - INTRODUCTION: Accurate motorcyclist mileage estimates are important because self evaluation of riding experience is related to riding behavior, the relationship of self-reported to actual or future mileage is necessary in targeting training and considering survey responses, and motorcycle crash statistics require accurate travel data. METHOD: This study collected real-world data from motorcyclists over the course of two months to two years per rider. This paper explores motorcyclists' self-reported annual riding mileage (obtained via pre study surveys) and the actual amount of riding during the study (based upon odometer readings and GPS data). RESULTS: Of the 91 riders who had been riding for at least a year before the study, significantly more (73%) rode less the following year than reported for the previous year. The recorded annualized mileage averaged 89% of the reported mileage from the previous year. Analyses based on estimated average annual mileage were similar to those using the previous year estimation, and the pattern held regardless of age group, motorcycle type, or gender. The exception was novice or returning riders, who tended to either significantly underestimate or increase actual mileage as they began (or continued) to ride. CONCLUSIONS: Motorcyclists' estimation of riding experience expressed as mileage may not be indicative of current or future mileage. PRACTICAL APPLICATIONS: Reliance on self-reported mileage during training to categorize groups, for interpretation of studies, or to develop motorcycle travel data and safety statistics may be unrealistic. Certainly any use of self-reported mileage should incorporate the concept that mileage overestimation seems likely. Because questions about previous year and average annual mileage may elicit similar responses, motorcyclist surveys should be constructed to prompt the most thoughtful responses in terms of mileage estimations. In general, reported mileage should not be relied upon as an accurate predictor of future actual mileage. PMID- 29203011 TI - Automated recognition of rear seat occupants' head position using KinectTM 3D point cloud. AB - INTRODUCTION: Child occupant safety in motor-vehicle crashes is evaluated using Anthropomorphic Test Devices (ATD) seated in optimal positions. However, child occupants often assume suboptimal positions during real-world driving trips. Head impact to the seat back has been identified as one important injury causation scenario for seat belt restrained, head-injured children (Bohman et al., 2011). There is therefore a need to understand the interaction of children with the Child Restraint System to optimize protection. METHOD: Naturalistic driving studies (NDS) will improve understanding of out-of-position (OOP) trends. To quantify OOP positions, an NDS was conducted. Families used a study vehicle for two weeks during their everyday driving trips. The positions of rear-seated child occupants, representing 22 families, were evaluated. The study vehicle - instrumented with data acquisition systems, including Microsoft KinectTM V1 - recorded rear seat occupants in 1120 driving 26 trips. Three novel analytical methods were used to analyze data. To assess skeletal tracking accuracy, analysts recorded occurrences where KinectTM exhibited invalid head recognition among a randomly-selected subset (81 trips). Errors included incorrect target detection (e.g., vehicle headrest) or environmental interference (e.g., sunlight). When head data was present, KinectTM was correct 41% of the time; two other algorithms - filtering for extreme motion, and background subtraction/head-based depth detection are described in this paper and preliminary results are presented. Accuracy estimates were not possible because of their experimental nature and the difficulty to use a ground truth for this large database. This NDS tested methods to quantify the frequency and magnitude of head positions for rear-seated child occupants utilizing KinectTM motion-tracking. RESULTS: This study's results informed recent ATD sled tests that replicated observed positions (most common and most extreme), and assessed the validity of child occupant protection on these typical CRS uses. SUMMARY: Optimal protection in vehicles requires an understanding of how child occupants use the rear seat space. This study explored the feasibility of using KinectTM to log positions of rear seated child occupants. Initial analysis used the KinectTM system's skeleton recognition and two novel analytical algorithms to log head location. PRACTICAL APPLICATIONS: This research will lead to further analysis leveraging KinectTM raw data - and other NDS data - to quantify the frequency/magnitude of OOP situations, ATD sled tests that replicate observed positions, and advances in the design and testing of child occupant protection technology. PMID- 29203012 TI - Fleet analysis of headway distance for autonomous driving. AB - INTRODUCTION: Modern automobiles are going through a paradigm shift, where the driver may no longer be needed to drive the vehicle. As the self-driving vehicles are making their way to public roads the automakers have to ensure the naturalistic driving feel to gain drivers' confidence and accelerate adoption rates. METHOD: This paper filters and analyzes a subset of radar data collected from SHRP2 with focus on characterizing the naturalistic headway distance with respect to the vehicle speed. RESULTS: The paper identifies naturalistic headway distance and compares it with the previous findings from the literature. CONCLUSION: A clear relation between time headway and speed was confirmed and quantified. A significant difference exists among individual drivers which supports a need to further refine the analysis. PRACTICAL APPLICATIONS: By understanding the relationship between human driving and their surroundings, the naturalistic driving behavior can be quantified and used to increase the adoption rates of autonomous driving. Dangerous and safety-compromising driving can be identified as well in order to avoid its replication in the control algorithms. PMID- 29203010 TI - Teen drivers' awareness of vehicle instrumentation in naturalistic research. AB - INTRODUCTION: Naturalistic driving methods require the installation of instruments and cameras in vehicles to record driving behavior. A critical, yet unexamined issue in naturalistic driving research is the extent to which the vehicle instruments and cameras used for naturalistic methods change human behavior. We sought to describe the degree to which teenage participants' self reported awareness of vehicle instrumentation changes over time, and whether that awareness was associated with driving behaviors. METHOD: Forty-two newly-licensed teenage drivers participated in an 18-month naturalistic driving study. Data on driving behaviors including crash/near-crashes and elevated gravitational force (g-force) events rates were collected over the study period. At the end of the study, participants were asked to rate the extent to which they were aware of instruments in the vehicle at four time points. They were also asked to describe their own and their passengers' perceptions of the instrumentation in the vehicle during an in-depth interview. The number of critical event button presses was used as a secondary measure of camera awareness. The association between self reported awareness of the instrumentation and objectively measured driving behaviors was tested using correlations and linear mixed models. RESULTS: Most participants' reported that their awareness of vehicle instrumentation declined across the duration of the 18-month study. Their awareness increased in response to their passengers' concerns about the cameras or if they were involved in a crash. The number of the critical event button presses was initially high and declined rapidly. There was no correlation between driver's awareness of instrumentation and their crash and near-crash rate or elevated g-force events rate. CONCLUSION: Awareness was not associated with crash and near-crash rates or elevated g-force event rates, consistent with having no effect on this measure of driving performance. PRACTICAL APPLICATIONS: Naturalistic driving studies are likely to yield valid measurements of driving behavior. PMID- 29203013 TI - Examining drivers' eye glance patterns during distracted driving: Insights from scanning randomness and glance transition matrix. AB - INTRODUCTION: Visual attention to the driving environment is of great importance for road safety. Eye glance behavior has been used as an indicator of distracted driving. This study examined and quantified drivers' glance patterns and features during distracted driving. METHOD: Data from an existing naturalistic driving study were used. Entropy rate was calculated and used to assess the randomness associated with drivers' scanning patterns. A glance-transition proportion matrix was defined to quantity visual search patterns transitioning among four main eye glance locations while driving (i.e., forward on-road, phone, mirrors and others). All measurements were calculated within a 5s time window under both cell phone and non-cell phone use conditions. RESULTS: Results of the glance data analyses showed different patterns between distracted and non-distracted driving, featured by a higher entropy rate value and highly biased attention transferring between forward and phone locations during distracted driving. Drivers in general had higher number of glance transitions, and their on-road glance duration was significantly shorter during distracted driving when compared to non-distracted driving. CONCLUSIONS: Results suggest that drivers have a higher scanning randomness/disorder level and shift their main attention from surrounding areas towards phone area when engaging in visual-manual tasks. PRACTICAL APPLICATIONS: Drivers' visual search patterns during visual-manual distraction with a high scanning randomness and a high proportion of eye glance transitions towards the location of the phone provide insight into driver distraction detection. This will help to inform the design of in-vehicle human-machine interface/systems. PMID- 29203015 TI - Crashes and near-crashes on horizontal curves along rural two-lane highways: Analysis of naturalistic driving data. AB - INTRODUCTION: Prior research has shown the probability of a crash occurring on horizontal curves to be significantly higher than on similar tangent segments, and a disproportionally higher number of curve-related crashes occurred in rural areas. Challenges arise when analyzing the safety of horizontal curves due to imprecision in integrating information as to the temporal and spatial characteristics of each crash with specific curves. METHODS: The second Strategic Highway Research Program(SHRP 2) conducted a large-scale naturalistic driving study (NDS),which provides a unique opportunity to better understand the contributing factors leading to crash or near-crash events. This study utilizes high-resolution behavioral data from the NDS to identify factors associated with 108 safety critical events (i.e., crashes or near-crashes) on rural two-lane curves. A case-control approach is utilized wherein these events are compared to 216 normal, baseline-driving events. The variables examined in this study include driver demographic characteristics, details of the traffic environment and roadway geometry, as well as driver behaviors such as in-vehicle distractions. RESULTS: Logistic regression models are estimated to discern those factors affecting the likelihood of a driver being crash-involved. These factors include high-risk behaviors, such as speeding and visual distractions, as well as curve design elements and other roadway characteristics such as pavement surface conditions. CONCLUSIONS: This paper successfully integrated driver behavior, vehicle characteristics, and roadway environments into the same model. Logistic regression model was found to be an effective way to investigate crash risks using naturalistic driving data. PRACTICAL APPLICATIONS: This paper revealed a number of contributing factors to crashes on rural two-lane curves, which has important implications in traffic safety policy and curve geometry design. This paper also discussed limitations and lessons learned from working with the SHRP 2 NDS data. It will benefit future researchers who work with similar type of data. PMID- 29203014 TI - Teens' distracted driving behavior: Prevalence and predictors. AB - INTRODUCTION: Teen drivers' over-involvement in crashes has been attributed to a variety of factors, including distracted driving. With the rapid development of in-vehicle systems and portable electronic devices, the burden associated with distracted driving is expected to increase. The current study identifies predictors of secondary task engagement among teenage drivers and provides basis for interventions to reduce distracted driving behavior. We described the prevalence of secondary tasks by type and driving conditions and evaluated the associations between the prevalence of secondary task engagement, driving conditions, and selected psychosocial factors. METHODS: The private vehicles of 83 newly-licensed teenage drivers were equipped with Data Acquisition Systems (DAS), which documented driving performance measures, including secondary task engagement and driving environment characteristics. Surveys administered at licensure provided psychosocial measures. RESULTS: Overall, teens engaged in a potentially distracting secondary task in 58% of sampled road clips. The most prevalent types of secondary tasks were interaction with a passenger, talking/singing (no passenger), external distraction, and texting/dialing the cell phone. Secondary task engagement was more prevalent among those with primary vehicle access and when driving alone. Social norms, friends' risky driving behaviors, and parental limitations were significantly associated with secondary task prevalence. In contrast, environmental attributes, including lighting and road surface conditions, were not associated with teens' engagement in secondary tasks. CONCLUSIONS: Our findings indicated that teens engaged in secondary tasks frequently and poorly regulate their driving behavior relative to environmental conditions. Practical applications: Peer and parent influences on secondary task engagement provide valuable objectives for countermeasures to reduce distracted driving among teenage drivers. PMID- 29203016 TI - Investigate moped-car conflicts in China using a naturalistic driving study approach. AB - PROBLEM: Mopeds are a popular transportation mode in Europe and Asia. Moped related traffic accidents account for a large proportion of crash fatalities. To develop moped-related crash countermeasures, it is important to understand the characteristics of moped-related conflicts. METHOD: Naturalistic driving study data were collected in Shanghai, China from 36 car drivers. The data included 2,878h and 78,296km driven from 13,149 trips. Moped-car conflicts were identified and examined from the passenger car driver's perspective using kinematic trigger algorithms and manual video reduction. RESULTS: A total of 119 moped-car conflicts were identified, including 74 high g-force conflicts and 45 low g-force events. These conflicts were classified into 22 on-road configurations where both similarities and differences were found as compared to Western Countries. The majority of the conflicts occurred on secondary main roads and branch roads. Hard braking was the primary response that the car drivers made to these conflicts rather than hard steering. DISCUSSIONS: The identified on-road vehicle-moped conflict configurations in Shanghai, China may be attributed to the complicated traffic environment and risky behavior of moped riders. The lower prevalence of hard steering in Shanghai as compared to the United States may be due to the lower speeds at event onsets or less available steering space, e.g., less available shoulder area on Chinese urban roads. CONCLUSIONS: The characteristics of moped-car conflicts may impact the design of active safety countermeasures on passenger cars. The pilot data from Shanghai urban areas suggest that countermeasures developed for China may require some modifications to those developed for the United States and European countries, although this recommendation may not be conclusive given the small sample size of the study. Future studies with large samples may help better understand the characteristics of moped-car conflicts. PMID- 29203017 TI - Driver behavior analysis for right-turn drivers at signalized intersections using SHRP 2 naturalistic driving study data. AB - INTRODUCTION: Understanding driver behavior is important for traffic safety and operation, especially at intersections where different traffic movements conflict. While most driver-behavior studies are based on simulation, this paper documents the analysis of driver-behavior at signalized intersections with the SHRP 2 Naturalistic Driving Study (NDS) data. This study analyzes the different influencing factors on the operation (speed control) and observation of right turn drivers. METHOD: A total of 300 NDS trips at six signalized intersections were used, including the NDS time-series sensor data, the forward videos and driver face videos. Different factors of drivers, vehicles, roads and environments were studied for their influence on driver behavior. An influencing index function was developed and the index was calculated for each influencing factor to quantitatively describe its influencing level. The influencing index was applied to prioritize the factors, which facilitates development and selection of safety countermeasures to improve intersection safety. Drivers' speed control was analyzed under different conditions with consideration of the prioritized influencing factors. RESULTS: Vehicle type, traffic signal status, conflicting traffic, conflicting pedestrian and driver age group were identified as the five major influencing factors on driver observation. CONCLUSIONS: This research revealed that drivers have high acceleration and low observation frequency under Right-Turn-On-Red (RTOR), which constituted potential danger for other roadway users, especially for pedestrians. PRACTICAL APPLICATIONS: As speed has a direct influence on crash rates and severities, the revealed speed patterns of the different situations also benefit selection of safety countermeasures at signalized intersections. PMID- 29203018 TI - Driver speed selection and crash risk: Insights from the naturalistic driving study. AB - INTRODUCTION: This study investigates how speed limits affect driver speed selection, as well as the related crash risk, while controlling for various confounding factors such as traffic volumes and roadway geometry. Data from a naturalistic driving study are used to examine how driver speed selection varies among freeways with different posted speed limits, as well as how the likelihood of crash/near-crash events change with respect to mean speed and standard deviation. METHOD: Regression models are estimated to assess three measures of interest: the average speed of vehicles during the time preceding crash/near crash and baseline (i.e., normal) driving events; the variation in travel speeds leading up to each event as quantified by the standard deviation in speeds over this period; and the probability of a specific event resulting in a crash/near crash based on speed selection and other factors. RESULTS: Speeds were relatively stable across levels-of-service A and B, within a range of 1.5mph on average. Speeds were marginally lower (3.3mph) on freeways posted at 65mph versus 70mph. In comparison, speeds were approximately 10.2 to 13.4mph lower on facilities posted at 55mph or 60mph. Speeds were shown to be 2.5mph lower in rainy weather and 11mph lower under snow or sleet. CONCLUSIONS: Significant correlation was observed with respect to speed selection behavior among the same individuals. Mean speeds are shown to increase with speed limits. However, these increases are less pronounced at higher speed limits. Drivers tend to reduce their travel speeds in presence of junctions and work zones, under adverse weather conditions, and particularly under heavy congestion. Crash risk increased with the standard deviation in speed, as well as on vertical curves and ramp junctions, and among the youngest and oldest age groups of drivers. PMID- 29203019 TI - Using naturalistic driving study data to investigate the impact of driver distraction on driver's brake reaction time in freeway rear-end events in car following situation. AB - INTRODUCTION: The rear-end crash is one of the most common freeway crash types, and driver distraction is often cited as a leading cause of rear-end crashes. Previous research indicates that driver distraction could have negative effects on driving performance, but the specific association between driver distraction and crash risk is still not fully revealed. This study sought to understand the mechanism by which driver distraction, defined as secondary task distraction, could influence crash risk, as indicated by a driver's reaction time, in freeway car-following situations. METHOD: A statistical analysis, exploring the causal model structure regarding drivers' distraction impacts on reaction times, was conducted. Distraction duration, distraction scenario, and secondary task type were chosen as distraction-related factors. Besides, exogenous factors including weather, visual obstruction, lighting condition, traffic density, and intersection presence and endogenous factors including driver age and gender were considered. RESULTS: There was an association between driver distraction and reaction time in the sample freeway rear-end events from SHRP 2 NDS database. Distraction duration, the distracted status when a leader braked, and secondary task type were related to reaction time, while all other factors showed no significant effect on reaction time. CONCLUSIONS: The analysis showed that driver distraction duration is the primary direct cause of the increase in reaction time, with other factors having indirect effects mediated by distraction duration. Longer distraction duration, the distracted status when a leader braked, and engaging in auditory-visual-manual secondary task tended to result in longer reaction times. PRACTICAL APPLICATIONS: Given drivers will be distracted occasionally, countermeasures which shorten distraction duration or avoid distraction presence while a leader vehicle brakes are worth considering. This study helps better understand the mechanism of freeway rear-end events in car following situations, and provides a methodology that can be adopted to study the association between driver behavior and driving features. PMID- 29203020 TI - Evidence-based safety (EBS) management: A new approach to teaching the practice of safety management (SM). AB - INTRODUCTION: In safety management (SM), it is important to make an effective safety decision based on the reliable and sufficient safety-related information. However, many SM failures in organizations occur for a lack of the necessary safety-related information for safety decision-making. Since facts are the important basis and foundation for decision-making, more efforts to seek the best evidence relevant to a particular SM problem would lead to a more effective SM solution. Therefore, the new paradigm for decision-making named "evidence-based practice (EBP)" can hold important implications for SM, because it uses the current best evidence for effective decision-making. METHODS: Based on a systematic review of existing SM approaches and an analysis of reasons why we need new SM approaches, we created a new SM approach called evidence-based safety (EBS) management by introducing evidence-based practice into SM. RESULTS: It was necessary to create new SM approaches. A new SM approach called EBS was put forward, and the basic questions of EBS such as its definition and core were analyzed in detail. Moreover, the determinants of EBS included manager's attitudes towards EBS; evidence-based consciousness in SM; evidence sources; technical support; EBS human resources; organizational culture; and individual attributes. CONCLUSIONS: EBS is a new and effective approach to teaching the practice of SM. Of course, further research on EBS should be carried out to make EBS a reality. Practical applications: Our work can provide a new and effective idea and method to teach the practice of SM. Specifically, EBS proposed in our study can help safety professionals make an effective safety decision based on a firm foundation of high-grade evidence. PMID- 29203021 TI - Graduated driver licensing (GDL) in the United States in 2016: A literature review and commentary. AB - This is the sixth in a series of reviews of research on graduated driver licensing (GDL) published in the Journal of Safety Research, the present review covering the period mid-2012 through 2016. In the two decades since GDL programs began to be introduced on a widespread basis in the United States, a vast amount of research has been published. The current review discusses recent research and the present state of knowledge on the following topics: characteristics of the novice driver population; effects of GDL on crashes for ages 16-19; the learner and intermediate periods; night and passenger restrictions; cellphone laws; GDL for older novices; enforcement of GDL rules; and programs attempting to influence GDL compliance and safe driving practices in general. GDL stands out as a successful policy for reducing teen driver crashes and is worth building on to extend its benefits. Strengthening existing GDL programs has the most potential for producing further crash reductions. PMID- 29203022 TI - Promotion of alternative-sized personal protective equipment. AB - INTRODUCTION: With more diversity in the workforce, companies are producing PPE such as hard hats, safety glasses, coveralls, foot protection, and safety harnesses for a larger range of body shapes and sizes. However, gray literature reports suggest that barriers exist to getting alternate sized PPE from the manufacturer to the workers who need it. The purpose of this study is to determine the extent to which alternative-sized PPE is marketed. METHOD: A web based review of seven major manufacturers of PPE was conducted to determine: (a) whether or not they offer alternative-sized products, (b) if these products are clearly labeled, and (c) if images used to display PPE are representative of a diverse workforce. RESULTS: Of the seven PPE manufacturers investigated, six had at least one product that was marketed as gender and/or size alternatives however, alternative sizes were more common for larger body types. Alternative sized products rarely included size charts, and the models used to display PPE were overwhelmingly white males of average size. CONCLUSIONS: Despite the growing availability of alternative-sized PPE, it can be difficult to find these products, which suggests that they are rarely promoted or labeled as alternative sized. Our study indicates that companies should expand their product lines and more aggressively market and promote these items. Guidance on how to properly fit their products would also be extremely helpful to the end-user. PRACTICAL APPLICATIONS: Manufacturers could improve the availability of alternative-sized PPE and increase their promotion of these products on their websites and in their catalogs. Individual companies and safety professionals may assist in this process by demonstrating demand for alternative-sized PPE. PMID- 29203023 TI - Identifying compensatory driving behavior among older adults using the situational avoidance questionnaire. AB - INTRODUCTION: Driving self-regulation is considered a means through which older drivers can compensate for perceived declines in driving skill or more general feelings of discomfort on the road. One form of driving self-regulation is situational avoidance, the purposeful avoidance of situations perceived as challenging or potentially hazardous. This study aimed to validate the Situational Avoidance Questionnaire (SAQ, Davis, Conlon, Ownsworth, & Morrissey, 2016) and identify the point on the scale at which drivers practicing compensatory avoidance behavior could be distinguished from those whose driving is unrestricted, or who are avoiding situations for other, non-compensatory reasons (e.g., time or convenience). METHOD: Seventy-nine Australian drivers (Mage=71.48, SD=7.16, range: 55 to 86years) completed the SAQ and were classified as a compensatory-restricted or a non-restricted driver based on a semi structured interview designed to assess the motivations underlying avoidance behavior reported on the SAQ. RESULTS: Using receiver-operator characteristic (ROC) analysis, the SAQ was found to have high diagnostic accuracy (sensitivity: 85%, specificity: 82%) in correctly classifying the driver groups. Group comparisons confirmed that compensatory-restricted drivers were self-regulating their driving behavior to reduce the perceived demands of the driving task. This group had, on average, slower hazard perception reaction times, and reported greater difficulty with driving, more discomfort when driving due to difficulty with hazard perception skills, and greater changes in cognition over the past five years. CONCLUSIONS: The SAQ is a psychometrically sound measure of situational avoidance for drivers in baby boomer and older adult generations. PRACTICAL APPLICATIONS: Use of validated measures of driving self-regulation that distinguish between compensatory and non-compensatory behavior, such as the SAQ, will advance our understanding of the driving self-regulation construct and its potential safety benefits for older road users. PMID- 29203024 TI - Rage against the machine? Google's self-driving cars versus human drivers. AB - INTRODUCTION: Automated driving represents both challenges and opportunities in highway safety. Google has been developing self-driving cars and testing them under employee supervision on public roads since 2009. These vehicles have been involved in several crashes, and it is of interest how this testing program compares to human drivers in terms of safety. METHODS: Google car crashes were coded by type and severity based on narratives released by Google. Crash rates per million vehicle miles traveled (VMT) were computed for crashes deemed severe enough to be reportable to police. These were compared with police-reported crash rates for human drivers. Crash types also were compared. RESULTS: Google cars had a much lower rate of police-reportable crashes per million VMT than human drivers in Mountain View, Calif., during 2009-2015 (2.19 vs 6.06), but the difference was not statistically significant. The most common type of collision involving Google cars was when they got rear-ended by another (human-driven) vehicle. Google cars shared responsibility for only one crash. CONCLUSIONS: These results suggest Google self-driving cars, while a test program, are safer than conventional human driven passenger vehicles; however, currently there is insufficient information to fully examine the extent to which disengagements affected these results. PRACTICAL APPLICATION: Results suggest that highly-automated vehicles can perform more safely than human drivers in certain conditions, but will continue to be involved in crashes with conventionally-driven vehicles. PMID- 29203025 TI - Demographic determinants of chemical safety information recall in workers and consumers in South Africa: A cross sectional study. AB - BACKGROUND: Chemical hazard communication is intended to alert users of the potential hazards of chemicals. Hazard information needs to be understood and recalled. Recall of hazard communication is critical when the written form of the information is not available at the time it is required. METHODS: A cross sectional study investigating associations between recall of chemical safety information on labels amongst 402 participants including 315 workers and 87 consumers in two provinces of South Africa. RESULTS: Respondents were predominantly male (67.7%), the median age was 37 years (IQR: 30-46years) and less than half of the participants completed high school (47.5%). Multivariate analysis identified the following positive associations with the recall of all the label elements listing the strongest association: call appropriate services and industrial vs consumer sector (OR=2.4; 95% CI: 1.2; 4.6 ); call appropriate services and transport vs consumer sector (OR=4.4; 95% CI: 1.2; 16.0); flammable symbol and male vs female gender (OR=2.3; 95% CI: 1.0; 5.3); flammable symbol and home language English vs African languages (OR=6.6; 95% CI: 2.1; 21.2); any hazard statement and home language Afrikaans vs African languages (OR=14.0; 95% CI: 3.6; 54.2), any first aid statement and further education vs none (OR=3.3; 95% CI: 1.3; 8.0), correct chemical name and industry blue collar workers vs non industry blue collar workers (OR=2.6; 95% CI: 1.1; 6.1), correct chemical name and non-industry white collar occupations vs non-industry blue collar workers (OR=2.7; 95% CI: 1.0; 7.1). CONCLUSION: The study found a number of potential positive associations which influence recall of label elements of which some (e.g., sector, gender, occupation) suggest further research. Relevant policies in South Africa should ensure that the safety information on chemical labels is clearly visible to read and understandable which aids recall and the reduction in harmful chemical exposures. PMID- 29203026 TI - Perceptions of alcohol-impaired driving and the blood alcohol concentration standard in the United States. AB - INTRODUCTION: Although the number of alcohol-impaired driving (AID) fatalities has declined over the past several years, AID continues to be a serious public health problem. The purpose of this effort was to gain a better understanding of the U.S. driving population's perceptions and thoughts about the impacts of lowering the blood alcohol concentration (BAC) driving standard below.08% on AID, health, and other outcomes. METHODS: A questionnaire was administered to a nationally representative sample of licensed drivers in the U.S. (n=1011) who were of age 21 or older on driving habits, alcohol consumption habits, drinking and driving habits, attitudes about drinking and driving, experiences with and opinions of drinking and driving laws, opinions about strategies to reduce drinking and driving, general concerns about traffic safety issues, and demographics. RESULTS: One-third of participants supported lowering the legal BAC standard, and participants rated a BAC standard of .05% to be moderately acceptable on average. 63.9% indicated that lowering 30 the BAC to .05% would have no effect on their decisions to drink and drive. Nearly 60% of respondents lacked accurate knowledge of their state's BAC standard. CONCLUSIONS: Public support for lowering the BAC standard was moderate and was partially tied to beliefs about the impacts of a change in the BAC standard. The results suggest that an opportunity for better educating the driving population about existing AID policy and the implications for lowering the BAC level on traffic injury prevention. PRACTICAL APPLICATIONS: The study results are useful for state traffic safety professionals and policy makers to have a better understanding of the public's perceptions of and thoughts about BAC standards. There is a clear need for more research into the effects of lowering the BAC standard on crashes, arrests, AID behavior, and alcohol-related behaviors. PMID- 29203027 TI - Thrill and adventure seeking in risky driving at work: The moderating role of safety climate. AB - Introduction Within many industrialized countries, the leading cause of worker fatalities and serious injuries can be attributed to road trauma. In non occupational research, high levels of sensation seeking personality, and specifically thrill and adventure seeking, have been associated with risky driving behaviors. In work driving literature, high organizational safety climate has been associated with reduced risky driving in work drivers. However, the extent that factors such as safety climate and thrill seeking interact in regard to work driving safety remains unclear, and the current research examined this interaction. Methods A total of 1,011 work drivers from four organizations participated in the research. Surveys were distributed online and hardcopies were sent via mail. The survey included measures of thrill and adventure seeking, safety climate and work-related driving behaviors, as well as questions relating to participant demographics and information about their work driving. Results The results demonstrated that safety climate significantly moderated the effect of thrill and adventure seeking trait on driving errors, driving violations, and driving while fatigued. Conclusion These results suggest that the development of a strong safety climate has the potential to improve work driving safety outcomes by reducing the impact of particular personality traits such as thrill seeking within an organizational context. Practical application To improve work driving safety, organizations and management need to develop strategies to encourage and foster positive work driving safety climate, particularly within work settings that may attract thrill and adventure seeking employees. PMID- 29203028 TI - Investigating ethnic minorities' perceptions of safety climate in the construction industry. AB - INTRODUCTION: An increasing number of ethnic minorities (EMs) have been employed in the construction industry to alleviate severe labor shortages in many countries. Unfortunately, statistics show that EMs have higher fatal and non fatal occupational injury rates than their local counterparts. However, EMs are often underrepresented in safety climate (SC) research as they are difficult to reach and gauge their perception. A positive relationship has been widely found between SC and safety performance. Understanding the safety perceptions of EMs helps to reduce injuries and improve their safety performance. METHOD: Based on a sample of 320 EMs from 20 companies in the construction industry, exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were used to identify the SC factors of EMs, and validate the extracted factors, respectively. Multivariate analysis of variance was undertaken to examine mean differences in perceptions of SC by personal characteristics. RESULTS: Three SC factors for EMs encapsulating 16 variables were identified through EFA. The hypothesized CFA model for a three-factor structure derived from EFA showed a satisfactory goodness-of-fit, composite reliability, and construct validity. CONCLUSIONS: Three SC factors were identified, namely: (a) safety management commitment, safety resources, and safety communication; (b) employee's involvement and workmate's influence; and (c) perception of safety rules, procedures and risks. The perceptions of SC differed significantly by nationality, marital status, the number of family members supported, and drinking habit. PRACTICAL APPLICATIONS: This study reveals the perception of EMs toward SC. The findings highlight the areas for safety improvement and provide leading indicators for safety performance of EMs. The findings are also enlightening for countries with a number of EMs, such as the United Sates, the United Kingdom, Australia, Singapore, and the Middle East. PMID- 29203029 TI - Modeling pedestrian gap crossing index under mixed traffic condition. AB - INTRODUCTION: There are a variety of challenges faced by pedestrians when they walk along and attempt to cross a road, as the most recorded accidents occur during this time. Pedestrians of all types, including both sexes with numerous aging groups, are always subjected to risk and are characterized as the most exposed road users. The increased demand for better traffic management strategies to reduce the risks at intersections, improve quality traffic management, traffic volume, and longer cycle time has further increased concerns over the past decade. METHOD: This paper aims to develop a sustainable pedestrian gap crossing index model based on traffic flow density. It focusses on the gaps accepted by pedestrians and their decision for street crossing, where (Log-Gap) logarithm of accepted gaps was used to optimize the result of a model for gap crossing behavior. Through a review of extant literature, 15 influential variables were extracted for further empirical analysis. Subsequently, data from the observation at an uncontrolled mid-block in Jalan Ampang in Kuala Lumpur, Malaysia was gathered and Multiple Linear Regression (MLR) and Binary Logit Model (BLM) techniques were employed to analyze the results. RESULTS AND CONCLUSIONS: From the results, different pedestrian behavioral characteristics were considered for a minimum gap size model, out of which only a few (four) variables could explain the pedestrian road crossing behavior while the remaining variables have an insignificant effect. Among the different variables, age, rolling gap, vehicle type, and crossing were the most influential variables. The study concludes that pedestrians' decision to cross the street depends on the pedestrian age, rolling gap, vehicle type, and size of traffic gap before crossing. PRACTICAL APPLICATIONS: The inferences from these models will be useful to increase pedestrian safety and performance evaluation of uncontrolled midblock road crossings in developing countries. PMID- 29203030 TI - Attitudes toward mandatory ignition interlocks for all offenders convicted of driving while intoxicated. AB - INTRODUCTION: Ignition interlocks are effective in reducing alcohol-impaired driving recidivism for all offenders, including first-time offenders. Despite their effectiveness, interlock use among persons convicted of driving while intoxicated from alcohol (DWI) remains low. This cross-sectional survey of U.S. adults assessed public support for requiring ignition interlocks for all convicted DWI offenders including first-time offenders. The goal was to update results from a similar 2010 survey in light of new state requirements and increased interlock installations. METHODS: Questions were included in the Porter Novelli FallStyles survey, which was fielded from September 28 to October 16, 2015. Participants were the 3,536 individuals who provided an opinion toward requiring ignition interlocks for all offenders. For analyses, opinion toward requiring interlocks for all offenders was dichotomized into 'agree' and 'neutral/disagree.' To handle missing data, 10 imputed datasets were created and pooled using fully conditional specification (FCS). RESULTS: Fifty-nine percent of adults supported requiring interlocks for all DWI offenders. Multivariate analysis revealed that persons who did not report alcohol-impaired driving (AID) were 60% more likely to support requiring interlocks than those who reported AID. Having heard of interlocks also increased support. Support was generally consistent across demographic subgroups. CONCLUSIONS: Interlocks for all offenders have majority support nationwide in the current survey, consistent with previous reports. Support is lowest among those who have reported alcohol impaired driving in the past 30days. These results suggest that communities with higher levels of alcohol-impaired driving may be more resistant to requiring ignition interlocks for all convicted DWI offenders. Future studies should examine this association further. Practical applications: These results indicate that the majority of adults recognize DWI as a problem and support requiring interlocks for all offenders. PMID- 29203031 TI - The clinical anatomy of the temporal and parietal lobes. PMID- 29203032 TI - Detection and prediction of driver drowsiness using artificial neural network models. AB - Not just detecting but also predicting impairment of a car driver's operational state is a challenge. This study aims to determine whether the standard sources of information used to detect drowsiness can also be used to predict when a given drowsiness level will be reached. Moreover, we explore whether adding data such as driving time and participant information improves the accuracy of detection and prediction of drowsiness. Twenty-one participants drove a car simulator for 110min under conditions optimized to induce drowsiness. We measured physiological and behavioral indicators such as heart rate and variability, respiration rate, head and eyelid movements (blink duration, frequency and PERCLOS) and recorded driving behavior such as time-to-lane-crossing, speed, steering wheel angle, position on the lane. Different combinations of this information were tested against the real state of the driver, namely the ground truth, as defined from video recordings via the Trained Observer Rating. Two models using artificial neural networks were developed, one to detect the degree of drowsiness every minute, and the other to predict every minute the time required to reach a particular drowsiness level (moderately drowsy). The best performance in both detection and prediction is obtained with behavioral indicators and additional information. The model can detect the drowsiness level with a mean square error of 0.22 and can predict when a given drowsiness level will be reached with a mean square error of 4.18min. This study shows that, on a controlled and very monotonous environment conducive to drowsiness in a driving simulator, the dynamics of driver impairment can be predicted. PMID- 29203033 TI - Recessive Dystrophic Epidermolysis Bullosa and Pregnancy. AB - Dystrophic epidermolysis bullosa is a rare inherited disease caused by mutations in the COL7A1 gene. Its recessive variant (recessive dystrophic epidermolysis bullosa) is characterized by the absence or considerably reduced expression of type VII collagen, which leads to marked fragility of the skin and mucous membranes and subsequent blister formation, whether spontaneously or following minimal injury. There have been very few reports of this disease in pregnant women. We present 2 cases of pregnant women with recessive dystrophic epidermolysis bullosa managed in our High-Risk Pregnancy Unit at Hospital Universitario La Paz, Madrid, Spain. Both patients underwent full-term cesarean delivery, with no further complications for mother or child. Although recessive dystrophic epidermolysis bullosa increases the risk of maternal complications, a patient is not advised against pregnancy. With adequate monitoring, these patients can fulfil their desire to become mothers. PMID- 29203034 TI - Atypical Presentation of Herpes Simplex Virus Type 2 Infection Refractory to Treatment With Acyclovir in 2 Hematologic Patients. AB - Herpesvirus infections are not uncommon in hematologic patients. Our first patient, diagnosed with chronic lymphatic leukemia, presented extensive genital herpes infection refractory to treatment with acyclovir and with a partial response to foscarnet, which had to be withdrawn due to systemic adverse effects. The second patient, diagnosed with follicular Hodgkin lymphoma, presented hypertrophic herpes infection refractory to treatment with acyclovir but that responded to intralesional cidofovir and topical imiquimod. As in other immunodepressed patients, herpesvirus infection in hematologic patients can present atypical manifestations, as well as resistance to treatments that act via the viral thymidine kinase. A high level of clinical suspicion is therefore needed to make an early diagnosis, together with extensive knowledge of the different treatments available. PMID- 29203035 TI - [Perspective of the transition from reusable instruments to single use ancillary in orthopedic surgery]. AB - OBJECTIVES: Since 2009, single-use (SU) ancillaries for total knee arthroplasty (TKA) and total hip arthroplasty (THA) have been marketed to replace reusable ancillaries. The concept is not innovative but their use in orthopedics is still uncommon. An assessment has been done for the use of SU ancillary in Assistance publique-hopitaux de Paris with the consequences for the patient, the surgeon and the hospital. METHODS: A technical and a clinical review has been done with those devices in 2015. The economic and organizational impacts were identified and submitted for opinion to committee experts in orthopedics. RESULTS: Three SU ancillaries are commercialized. No clinical studies are currently available. There is no reimbursement for SU ancillaries whereas reusable ancillaries are included in prosthesis reimbursement price. Although SU ancillaries (TKA and THA) saving costs for sterilization, the annual additional budget estimated for their purchase would approximately be 2.5 times higher. Nevertheless, indirect savings could be also considered in the long-term period (global costs for sterilization, volume effect...). For the same quality, according to the experts, organizational impacts are low for the patient and the surgeon but potentially important for the hospital, the nursing and pharmaceutical staff, and logistical activities. CONCLUSIONS: On logistic, clinical and financial aspects, SU ancillaries need more evaluation. The switch to SU ancillaries allows saving sterilization costs and time, and provided an immediate mobilization of the equipment but their interest must be demonstrated by clinical and economic data. PMID- 29203036 TI - Comparison of the Prognostic Usefulness of the European Society of Cardiology and American Heart Association/American College of Cardiology Foundation Risk Stratification Systems for Patients With Hypertrophic Cardiomyopathy. AB - Implantable cardiodefibrillators (ICDs) have proven benefit in preventing sudden cardiac death (SCD) in hypertrophic cardiomyopathy (HC), making risk stratification essential. Data on the predictive accuracy on the European Society of Cardiology (ESC) risk scoring system have been conflicting. We independently evaluated the ESC risk scoring system in our cohort of patients with HC from a large tertiary center and compared this with previous guidance by the American College of Cardiology Foundation and Heart Association (ACCF/AHA). Risk factor profiles, 5-year SCD risk estimates, and ICD recommendations, as defined by the ACCF/AHA and ESC guidelines, were retrospectively ascertained for 288 HC patients with and without SCD or equivalent events at our center. In the SCD group (n = 14), a significantly higher proportion of patients would not have met the criteria for an ICD implant using the ESC scoring algorithm compared with ACCF/AHA guidance (43% vs 7%, p = 0.029). In those without SCD events (n = 274), a larger proportion of individuals not requiring an ICD was identified using the ESC risk score model compared with the ACCF/AHA model (82% vs 57%; p < 0.0001). Based on risk stratification criteria alone, 5 more individuals with a previously aborted SCD event would not have received an ICD with the ESC risk model compared with the ACCF/AHA risk model. In conclusion, we found that the current ESC scoring system potentially leaves more high-risk patients unprotected from sudden death in our cohort of patients. PMID- 29203037 TI - Near infrared perfusion assessment of gastric conduit during minimally invasive Ivor Lewis esophagectomy. AB - INTRODUCTION: Anastomotic leak and conduit necrosis are devastating complications following Ivor Lewis esophagectomy. Near infrared imaging (NIR) using IndoCyanine Green allows for real time tissue perfusion assessment which may reduce anastomotic leak during minimally invasive Ivor Lewis esophagectomy (MIE). METHODS: Forty consecutive MIE were performed by a single surgeon at a tertiary referral center. The first 20 were assessed for gastric conduit perfusion by clinical criteria (Group 1). The second 20 were also assessed using NIR laparoscopic system (Group 2). RESULTS: Comparing Group 1 to Group 2, no significant differences were found in overall complication rate, readmission or reoperation rate. NIR resulted in resection of the non perfused proximal portion of the conduit in 30% (6/20). Two patients in group 2 group developed anastomotic leak (2/20) compared to 0 in Group 1 (p = 0.49). Graft necrosis led to one mortality in Group 1, while there were 0 mortalities in Group 2. (p = 1.0). CONCLUSION: Although NIR plays a role in assessment of tissue perfusion, in our study its use did not result in reduction of anastomotic leak rate. PMID- 29203038 TI - Trends in Medicaid beneficiaries' receipt of breast reconstruction procedures following Pre-Affordable Care Act (ACA) Medicaid expansion in New York State. AB - BACKGROUND: Expanding eligibility will increase the demand for surgical services within Medicaid but little is known of the response to such increase in demand. We examined how much of the increased demand for breast reconstruction was met after expansion of Medicaid eligibility. METHODS: We used New York state databases from 1998 to 2006 and a population of non-elderly adults (19-64) who underwent breast cancer treatment and reconstructive procedures. We used an Interrupted Time-Series design to examine the association between Medicaid expansion in 2001 and changes in the percentages of treatment and reconstructive procedures covered by Medicaid. RESULTS: After expansion, there was an increase of 9.6% in the percentage of treatment procedures covered by Medicaid (added demand for breast reconstruction). However, there was a 6.8% increase in the percentage of reconstructive procedures covered by Medicaid. CONCLUSIONS: The smaller increase in Medicaid percentage of reconstructive procedures suggests that the added demand for reconstruction was not met. PMID- 29203039 TI - [Vascular calcification in pseudoxanthoma elasticum in children]. AB - INTRODUCTION: Vascular calcifications are associated with several diseases that affect vascular connective tissue and skin and cause considerable morbidity and mortality. The prototype of these conditions is pseudoxanthoma elasticum. We report, in this study, 4 pediatric cases of vascular calcifications diagnosed as elastic pseudoxanthoma. OBSERVATIONS: These 4 children were 2-11 years old and presented variable clinical features. Vascular involvement and arterial hypertension was observed in all patients, skin involvement in 2 cases, gastrointestinal involvement in 2 cases, neurological impairment in one case, and cardiac involvement in one case. Demonstration of ABCC6 gene mutations provided diagnostic confirmation in all cases. CONCLUSION: Pseudoxanthoma elasticum is a rare genetic disease, which can lead to many complications. Appropriate knowledge and early diagnosis are essential. PMID- 29203040 TI - [Management of traumatic and iatrogenic arterial pseudoaneurysms in a tropical environment]. AB - A false aneurysm or pseudoaneurysm (PA) is the formation of a pulsatile and encapsulated hematoma in communication with the lumen of a perforated artery. Its origin is different but most cases are associated with a traumatic event. Currently, the referenced treatment is endovascular surgery but it is not feasible for the majority of vascular surgeons working in a tropical environment. The aim of this study was to describe the diagnostic and therapeutic aspects of arterial PA (APA) encountered in our institution and to evaluate the place of open surgical technique in their management. This was a 30-month retrospective and descriptive study carried out in our institution (CHU-JRA, Antananarivo, Madagascar). Between 2012 and 2014, ten cases of APA were operated. There were 8 men with an average age of 30 years. The etiologies were accidental trauma (n=6) or iatrogenic vascular injury (n=4). Most patients had a painful and pulsatile swelling (n=8). The presence of a wound scar located on the swelling was observed in 5 patients. The false aneurysms were localized in the radial (n=3), femoral (n=2), brachial (n=2), carotid (n=2) and ulnar (n=1) arteries. The diagnosis was confirmed by ultrasound Doppler in all patients. The treatment was an open surgical procedure and consisted of lateral suture (n=4), resection with direct end-to-end anastomosis (n=1) or using autologous saphenous vein graft (n=2) or ligation (n=3). Postoperative courses and outcomes at last follow-up were uneventful with optimal patency rate. PMID- 29203041 TI - [Management of isolated iliac aneurysms: A Tunisian center experience]. AB - Isolated aneurysms of the iliac arteries are rare. The diagnoses of these aneurysms become easier with non-invasive radiologic investigations. The development of endovascular treatment is a recent alternative to surgical treatment. We report our experience in the management of 8 cases of isolated iliac aneurysms in the department of cardiovascular and thoracic surgery of the Habib Bourguiba Hospital of Sfax. PMID- 29203042 TI - [Treatment of radiation-induced iliofemoral arterial complications with groin radionecrosis]. AB - Long-term iliofemoral complications induced by radiation include vascular (arterial and venous) lesions, nervous lesions and soft tissue loss that can be cutaneous and subcutaneous and potentially lead to radionecrosis with vessel exposure. We present five cases of groin radionecrosis. There were three men and two women (age 30-73 years). Radiotherapy had been delivered 15 years earlier in three cases, and 2 years earlier in two cases. Symptoms were intermittent claudication (n=1), critical ischemia (n=1), and septic hemorrhage (n=1). Two patients had no vascular symptoms. Four patients underwent scheduled surgery after complete cardiac and cardiovascular evaluation with duplex-Doppler, CT scan and/or intra-arterial angiography. One woman underwent emergency surgery after septic hemorrhage of a previous in situ femoral revascularization fashioned 2 months earlier. Revascularization was achieved with trans-iliac (n=3), trans muscular (n=1, and in situ (n=1) iliofemoral bypass. A retroperitoneal approach with section of large muscles was used. In three cases, a trans-iliac route was used by perforating the iliac wing with a 8-mm PTFE graft. Proximal anastomosis was done on the abdominal aorta (n=1) and the homolateral common iliac artery (n=2). Distal anastomosis was done on the distal profunda artery and popliteal artery (n=1) and on the distal femoral superficial artery (n=2). In two cases, an iliofemoral bypass was done with a 7-mm PTFE vascular graft. The proximal anastomosis was done on the proximal external iliac artery and the distal anastomosis on the proximal superficial femoral artery. A plastic procedure was performed in four cases. Three patients had a homolateral (n=1) or controlateral (n=2) rectus abdominis flap. In one case, plastic coverage was done with an antebrachial flap (Chinese flap), which has been released at 6 weeks. One patient had post-radiotherapy iliofemoral vascular disease, but there was no vascular exposure, and no plastic coverage was necessary. The postoperative course was uneventful in four cases. The patient treated with an in situ bypass developed septic hemorrhage at day 10, requiring revision. The patient died of multiple organ system failure, with a patent graft and a viable flap. The other four patients had no early or late complications. These patients have been followed annually for clinical examinations and duplex scans, and angio-scans. One patient died of ischemic heart disease. The three other patients are alive with a patent bypass with 11, 8 and 3 years follow-up. One patient had a late occlusion of the bypass treated by thrombectomy after 7 and 10 years. In conclusion, patients with femoral radionecrosis can be treated by an extra-anatomic bypass, with plastic coverage. The trans-iliac is a relatively simple and safe procedure. PMID- 29203043 TI - [Blood pressure target in 2017]. AB - OBJECTIVE: The issue of how far blood pressure (BP) should be lowered under antihypertensive treatment is still an important matter of scientific debate. The aim of the present review is to consider the clinical relevance of individualized BP goal under treatment in hypertensive patients according to their age, comorbidities or established cardio-vascular (CV) disease. DATA FROM THE LITERATURE: The French and European recommendations propose a systolic BP target between 130 and 139mmHg (<150mmHg after 80 years) and diastolic BP target <90mmHg in hypertensive patients whatever their level of risk. The results of the recent SPRINT study suggest that a more ambitious systolic BP target, <120mmHg, significantly reduces CV morbidity and mortality, but with an increased iatrogenic risk. Several questions in everyday practice have to be considered. An important issue concerns BP measurement methods in this clinical trial (Dinamap) versus in routine clinical practice and the implications on BP treatment targets. In addition, close monitoring of participants in clinical trials and active orthostatic hypotension research limit the incidence of adverse events related to intensive treatement. Finally, in the presence of an established CV disease, an intensive therapeutic approach could be associated with a J-curve relationship between BP level and CV events. CONCLUSION: An early and strict BP control in young or middle-aged hypertensive patients in primary prevention should be a priority. In this hypertensive population with low to moderate CV risk, without established CV or renal diseases, more stringent than recommended BP-lowering treatment could potentially prevent hypertensive arterial damage and thus correct the increased residual CV risk later in life. The tolerance of an intensive therapeutic approach should remain a concern in elderly patients and in patients with established CV disease. PMID- 29203044 TI - [New international guidelines for curative treatment and prophylaxis for venous thromboembolism (VTE) in cancer patients and the dedicated smartphone application]. AB - Venous thromboembolism (VTE) is a frequent and serious complication in cancer patients, and the second leading cause of death in this setting. Cancer patients are also more likely to present recurrent VTE and major bleeding while taking anticoagulants. Management of VTE in these patients is always challenging and remains suboptimal worldwide. In 2013, the International Initiative on Thrombosis and Cancer (ITAC-CME) released international guidelines for the treatment and prophylaxis of VTE and central venous catheter-associated thrombosis, based on a systematic review of the literature ranked according to the Grading of Recommendations Assessment, Development, and Evaluation scale. An update of these ITAC-CME consensus guidelines, including the use of direct oral anticoagulants, was recently published. In this review, we summarize these updated guidelines. Better adherence to the international guidelines, involving an adequate educational and active implementation strategies, will substantially decrease the burden of VTE and allow to increase survival in cancer patients. PMID- 29203045 TI - Anaphylactic shock with an ultrasound contrast agent. AB - Echo contrast agents, such as SonoVue(r), (Bracco, Milan, Italy) are often used to enhance diagnosis. Although their use is safe, some rare side effects could be severe or even fatal. We are reporting a case of severe systemic allergic reaction after infusion of SonoVue(r). After a brief review of the literature, the aim of this paper is to draw attention to this risk and recall the safety instructions coming with the use of ultrasound contrast agents. PMID- 29203046 TI - [Post-traumatic carotido-jugular fistula: Case report and review of the literature]. AB - The neck, being not protected by skeleton, is vulnerable to external trauma and injury which can involve blood vessels, muscles, nerves, and trachea. Carotid injuries can be potentially life-threatening by hemorrhage and stroke. We present a case of a 26-year-old manual worker who presented a neck injury caused by a metallic projectile. The injury involved the right common carotid artery with an internal jugular vein fistula, and tracheal damage. The patient was managed with surgical repair of the tracheal lesion, reconstruction of the carotid section using a PTFE graft bypass, and ligation of the internal jugular vein. In the immediate postoperative period, the patient presented with no neurological deficits, but he did develop a pulmonary infection that resolved with antibiotic therapy. The follow-up is now 3months. The patient is doing well without any neurological disorder. PMID- 29203047 TI - [Fibromuscular dysplasia exposes to early natural impregnation with progesterone]. PMID- 29203048 TI - A Review of the Management of Loss of Pregnancy in the Emergency Department. AB - INTRODUCTION: Women frequently seek ED care for complications in early pregnancy, including loss of pregnancy. This review evaluates the current literature and discusses the care of patients experiencing loss of pregnancy in the emergency department. METHODS: A review of pertinent studies identified through multiple database searches was conducted to determine the existing body of knowledge for the care of ED patients diagnosed with loss of pregnancy. Each of the studies was examined for inclusion criteria and a subsequent analysis of the included studies identified themes related to the care of the women. RESULTS: Thirty-two original research articles and systematic reviews published between 1990 and 2016 were included in the review. Eleven articles addressed recommendations for clinical practice, 5 reported statistics related to pregnancy outcome and clinical presentation, 4 discussed the use of speculum examinations, 4 discussed interventions to decrease ED length of stay, and 3 investigated the use of ultrasound in the emergency department. Only 5 of the articles reviewed discussed emotional support and/or experiences of women with loss of pregnancy in the emergency department. CONCLUSION: Although there are multiple recommendations for the clinical management of loss of pregnancy in the emergency department, the psychological and emotional support of women was addressed infrequently. Additional studies investigating holistic care would be beneficial for ED providers in the management of early loss of pregnancy. PMID- 29203049 TI - The Use of Clinical Cervical Spine Clearance in Trauma Patients: A Literature Review. AB - INTRODUCTION: Five million patients in America are placed in spinal immobilization annually, with only 1% to 2% of these patients suffering from an unstable cervical spine injury. Prehospital agencies are employing selective and limited immobilization practices, but there is concern that this practice misses cervical spine injuries and therefore possibly predisposes patients to worsening injuries. METHODS: A systematic review was conducted that examined literature from the last 5 years that reviewed cervical spine immobilization application and/or clearance in alert trauma patients. RESULTS: Prehospital selective immobilization protocols and bedside clinical clearance examinations are becoming more commonplace, with few missed injuries or poor outcomes. Prehospital providers can evaluate patients in the field safely to assess who needs or does not need cervical collars; similar criteria can be used in the emergency department. Harm from cervical collars is increasingly documented, with concerns that risks exceed possible benefits. DISCUSSION: The literature suggests that alert trauma patients can be cleared from cervical spine immobilization safely through a structured algorithm in either the prehospital or ED setting. The evidence is primarily observational. Thus, many providers who fear missing cervical injuries may be reluctant to follow the recommendations despite few or no published cases of sudden deterioration from missed cervical spine injuries. PMID- 29203050 TI - Integrins: Integrating the Biology and Therapy of Cell-cell Interactions. AB - PURPOSE: Although the role of integrins has been described in a variety of diseases, these roles seem to be distinct. To date, no study has attempted to provide links to the various pathways by which such integrins can be involved in these diverse disease settings. The purpose of this review was to address this gap in our knowledge with the hypothesis that there is, in fact, a common pathway by which integrins may function. METHODS: This article provides an in-depth perspective on the discovery, development, and design of therapeutics that modulate cellular function by targeting integrin:ligand interactions by reviewing the literature on this subject; the review included the most recent results of clinical and subclinical studies. A MEDLINE search was conducted for articles pertaining to the various issues related to integrins, and the most relevant articles are discussed (ie, not only those published in journals with a higher impact factor). FINDINGS: It seems that the ligation of the integrins with their cognate ligands plays a major role in translating membrane dialogue into biological function. In addition, they also seem to play a major regulatory role that can enhance or inhibit biological function depending on the context within which such receptor:ligand interactions occur and the organ and tissues at which interactions occurs and is manipulated. Those studies that used statistical analyses have been included where appropriate. IMPLICATIONS: Our findings show that anti-integrin treatment has the potential to become a valid coadjuvant in the treatment of several diseases including cancer, inflammatory diseases, HIv infection and cardiovascular diseases. PMID- 29203051 TI - Thiamazole-Induced Agranulocytosis Leading to Abscessus Pneumonia-Rare, But Challenging. PMID- 29203052 TI - Impact of Passive Smoking on Lung Function and Asthma Severity in Children. PMID- 29203053 TI - Insulin-like Growth Factor 1 Mediates Adrenal Development Dysfunction in Offspring Rats Induced by Prenatal Food Restriction. AB - BACKGROUND: Our previous study demonstrated that prenatal food restriction (PFR) could induce the dysfunction of the hypothalamic-pituitary-adrenal axis and glucocorticoid-related glucose and lipid metabolic alterations in adult offspring rats. AIM OF THE STUDY: To investigate the intrauterine programming mechanism of adrenal dysfunction in the PFR offspring rats. METHODS: From gestational days (GDs) 11-20, pregnant Wistar rats were fed a restricted diet (50% of the daily food intake of control rats, 60 g/kg.d). Some were executed at GD20, while the others survived to full-term delivery; all pups were fed a high-fat diet (HFD) after weaning. The serum corticosterone concentration, expression level of adrenal steroidal synthetase, and insulin-like growth factor 1 (IGF1) signaling pathway were tested. RESULTS: We confirmed that the fetal body weight of the PFR group was lower than that of the control group, and the mRNA expression of adrenal steroidogenic acute regulatory protein, cytochrome P450 cholesterol side chain cleavage, 3beta-hydroxysteroid dehydrogenase, and steroid 11beta hydroxylase (P450c11) were decreased in the PFR fetal rats. The maternal and fetal serum corticosterone levels were significantly increased in the PFR groups. Furthermore, the expression of the adrenal IGF1 signaling pathway (including IGF1, IGF1R, and Akt1) was suppressed. However, after a post-weaning HFD, the body weight gain rates and serum corticosterone levels were elevated, and the expression of adrenal steroid 21-hydroxylase and P450c11, as well as the IGF1 signaling pathway, were significantly increased in the PFR group. CONCLUSIONS: These results showed that a higher level of circulation corticosterone by PFR in utero inhibited adrenal IGF1 signaling and steroidogenesis, whereas post-weaning HFD induced adrenal steroidogenesis by an enhanced IGF1 signaling. PMID- 29203054 TI - On the Search to Elucidate the Role of Microbiota in the Genesis of Cancer: The Cases of Gastrointestinal and Cervical Cancer. AB - The microbiota that inhabits the human body plays an important role in health and disease, by their fundamental role in food digestion, training of the immune system or protection against pathogen colonization. However, when the equilibrium with its host is altered, some diseases like cancer might be promoted. In this review we describe the information collected in recent studies between the microbiota and its association with cancer. We conducted the review of the relation of microbiome and cancer etiology focusing on the gastrointestinal and cervical cancer. The MEDLINE database was used for the search. The gastrointestinal tract harbours a diverse and site specific microbiota, and several studies have demonstrated that perturbation of these microbial communities might be associated with different types of cancer. In particular, alteration of the colorectal, gastric and oesophageal microbiota have been reported associated with cancer development. Likewise, cervical microbiome studies suggest that some members of the cervical microbiota are possible modifiers of the cytokine profile of the cervical microenvironment during the development of cervical lesions and cervical cancer. Larger prospective studies are needed to examine whether microbiome dysbiosis could cause cancer, and to evaluate the utility of microbiome profiles as biomarkers for prevention and early diagnosis. This is an important area of research if we consider that microbiota may be a modifiable factor by the use of pre- and probiotics, in order to prevent cancer evolution or even to potentiate cancer treatment. PMID- 29203055 TI - Does this robot have a mind? Schizophrenia patients' mind perception toward humanoid robots. PMID- 29203056 TI - Immunohistochemistry as confirmatory test for current Helicobacter pylori infection in patients treated with proton pump inhibitors. PMID- 29203057 TI - Febrile infection-related epilepsy syndrome (FIRES) with super-refractory status epilepticus revealing autoimmune encephalitis due to GABAAR antibodies. AB - BACKGROUND: Febrile infection-related epilepsy syndrome (FIRES) has been described as an epileptic encephalopathy of unknown etiology affecting previously healthy children following febrile illness. Despite large investigations on autoimmune pathogenesis no membrane antibodies has been associated since now. CASE STUDY: We report a 13 years-old girl with negative history for neurological or autoimmune disease that developed at the sixth day of high fever a super refractory status epilepticus. All investigations, including the most common antibodies related to immune-mediated encephalitis were negative. Seizures continued despite several therapeutic trials with anesthetics (midazolam, propofol) and antiepileptic agents as well as i.v. immunoglobulins but responded, at day 10 from the onset, to ketamine and high dose i.v. steroids. Due the high suspicion of autoimmune encephalitis we tested patient's CSF and plasma on mouse brain with positive response. We subsequently detected a high titre of GABAAR antibodies. After the resolution of the status epilepticus the patient achieved complete recovery of neurological functions. CONCLUSION: this is the first reported case of a FIRES-like condition due to autoimmune encephalitis mediated by GABAAR antibodies. Our case suggests that GABAAR antibodies should be investigated FIRES. PMID- 29203058 TI - Potential impact of the herbicide 2,4-dichlorophenoxyacetic acid on human and ecosystems. AB - The herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) is applied directly to aquatic and conventional farming systems to control weeds, and is among the most widely distributed pollutants in the environment. Non-target organisms are exposed to 2,4-D via several ways, which could produce toxic effects depending on the dose, frequency of exposure, and the host factors that influence susceptibility and sensitivity. An increasing number of experimental evidences have shown concerns about its presence/detection in the environment, because several investigations have pointed out its potential lethal effects on non target organisms. In this review, we critically evaluated the environmental fate and behavior of 2,4-D along with its eco-toxicological effects on aquatic, plants and human life to provide concise assessment in the light of recently published reports. The findings demonstrate that 2,4-D is present in a low concentration in surface water of regions where its usage is high. The highest concentrations of 2,4-D were detected in soil, air and surface water surrounded by crop fields, which suggest that mitigation strategies must be implanted locally to prevent the entry of 2,4-D into the environment. A general public may have frequent exposure to 2,4-D due to its wide applications at home lawns and public parks, etc. Various in vivo and in vitro investigations suggest that several species (or their organs) at different trophic levels are extremely sensitive to the 2,4-D exposure, which may explain variation in outcomes of reported investigations. However, implications for the prenatal exposure to 2,4-D remain unknown because 2,4-D-induced toxicity thresholds in organism have only been derived from juveniles or adults. In near future, introduction of 2,4-D resistant crops will increase its use in agriculture, which may cause relatively high and potentially unsafe residue levels in the environment. The recent findings indicate the urgent need to further explore fate, accumulation and its continuous low level exposure impacts on the environment to generate reliable database which is key in drafting new regulation and policies to protect the population from further exposure. PMID- 29203059 TI - Increased glutamate + glutamine levels in the thalamus of patients with essential tremor: A preliminary proton MR spectroscopic study. AB - INTRODUCTION: The aim of this study was to investigate the thalamic biochemical profile in patients with essential tremor (ET), using proton magnetic resonance spectroscopy (1H-MRS), and to explore the correlations between clinical and biochemical data. METHODS: Sixteen patients with ET and 14 healthy controls participated in this study. After conventional MR imaging, single-voxel 1H-MRS (TR = 2000 ms; TE = 28 ms) was performed by using a PROBE-SV system implemented on a 3-T scanner. A voxel of 10 * 10 * 15 mm involving the ventrointermediate (Vim) nucleus was acquired in each thalamus of all subjects. Peak areas of N acetyl-aspartate + N-acetyl-aspartyl-glutamate (NAA), creatine + phosphocreatine (Cr), glycerophosphocholine + phosphocholine (Cho), and glutamate + glutamine (Glx) were calculated using a version 6.3-1 K of the fitting program LCModel for each voxel. Comparative and correlation analyses were performed on the NAA, Cr, Cho, and Glx concentrations, as well as on the values of the NAA/Cr, a neural density marker, Cho/Cr, a membrane marker, and Glx/Cr, an intracellular neurotransmitter marker. RESULTS: Patients with ET showed a significant increase in Glx concentration and Glx/Cr ratio values in both thalami, compared to healthy controls, whereas no difference inter-group was found for the other metabolites and NAA/Cr and Cho/Cr ratio values. Of note, the tremor severity was positively related to increased Glx concentrations and Glx/Cr ratio values in ET group. CONCLUSIONS: Our study shows that 1H-MRS can highlight in vivo metabolic abnormalities in the thalami of ET patients, supporting the evidence that the increase of thalamic glutamatergic transmission can play a role in developing of tremor in ET. PMID- 29203060 TI - Prevalence of metabolic syndrome in Middle-East countries: Meta-analysis of cross sectional studies. AB - OBJECTIVE: Metabolic syndrome is an important metabolic disorder which impose noticeable burden on health system. We aimed to review and imply the prevalence of it in Middle-East countries. METHODS: present study was a systematic review to present overview about metabolic disorder in Middle East. Electronic literature search of Medline database and Google scholar were done for English-language articles without time filtering, as well as for population-based or national studies of the prevalence of metabolic syndrome. The fallowing search terms were used simultaneously: prevalence of "metabolic syndrome" and "national study", "prevalence of metabolic syndrome in Middle East", "prevalence of metabolic syndrome" and "name of country", "metabolic syndrome &name of country". Additionally, relevant articles in bibliography were searched. Analysis of data was carried out in STATA version 11.0. RESULTS: out of 456 studies in first-step searching (selecting by title) 59 studies were recruited and reviewed. Prevalence of metabolic syndrome fluctuated by country and time of study. This amount was 2.2-44% in Turkish, 16-41% in Saudi-Arabia, 14-63 in Pakistan, 26-33 in Qatar, 9 36 in Kuwait, 22-50 in Emirate, 6-42 in Iran, and up to 23 in Yemen. Pooled estimate was 25%. Attributable risk for cardiovascular disease, coronary heart disease, and stroke was 15.87, 11.7, and 16.23, respectively. CONCLUSION: The prevalence rate of metabolic syndrome is high and it is noticeable cause for stroke, coronary heart disease, and cardiovascular disease. PMID- 29203061 TI - Answer to the article: "Serratia marcescens bacteraemia outbreak in hemodialysis". Comment on "Serratia marcescens bacteraemia outbreak in haemodialysis patients with tunnelled catheters due to colonisation of antiseptic solution. Experience at 4 hospitals". PMID- 29203062 TI - Serratia marcescens bacteraemia outbreak in hemodialysis. Comment on "Serratia marcescens bacteraemia outbreak in haemodialysis patients with tunnelled catheters due to colonisation of antiseptic solution. Experience from 4 hospitals". PMID- 29203063 TI - Complex regional pain syndrome associated with erythropoietin therapy. PMID- 29203064 TI - Use of diazoxide in hypoglycemia with hyperinsulinemia in hemodialysis. PMID- 29203065 TI - [Severe ipilimumab-induced ulcerative colitis remitting after infliximab therapy and secondary switching with pembrolizumab]. PMID- 29203066 TI - [The sural medial perforator flap: Anatomical bases, surgical technique and indications in head and neck reconstruction]. AB - INTRODUCTION: The medial sural artery perforator (MSAP) flap is defined as a thin cutaneo-adipose perforator flap harvested on the medial aspect of the leg. The aims of this study were to describe the anatomical basis as well as the surgical technique and discuss the indications in head and neck reconstructive surgery. MATERIAL AND METHODS: We harvested 10 MSAP flap on 5 fresh cadavers. For each case, the number and the location of the perforators were recorded. For each flap, the length of pedicle, the diameter of source vessels and the thickness of the flap were studied. Finally, we performed a clinical application of a MSAP flap. RESULTS: A total of 23 perforators with a diameter superior than 1mm were dissected on 10 legs. The medial sural artery provided between 1 and 4 musculocutaneous perforators. Perforators were located in average at 10.3cm+/-2cm from the popliteal fossa and at 3.6cm+/-1cm from the median line of the calf. The mean pedicle length was 12.1cm+/-2.5cm. At its origin, the source artery diameter was 1.8mm+/-0.25mm and source veins diameters were 2.45mm+/-0.9mm in average. There was no complication in our clinical application. DISCUSSION: This study confirms the reliability of previous anatomical descriptions of the medial sural artery perforator flap. This flap was reported as thin and particularly adapted for oral cavity reconstruction and for facial or limb resurfacing. Sequelae might be reduced as compared to those of the radial forearm flap with comparable results. PMID- 29203067 TI - Personalized Prediction of Glaucoma Progression Under Different Target Intraocular Pressure Levels Using Filtered Forecasting Methods. AB - PURPOSE: To generate personalized forecasts of how patients with open-angle glaucoma (OAG) experience disease progression at different intraocular pressure (IOP) levels to aid clinicians with setting personalized target IOPs. DESIGN: Secondary analyses using longitudinal data from 2 randomized controlled trials. PARTICIPANTS: Participants with moderate or advanced OAG from the Collaborative Initial Glaucoma Treatment Study (CIGTS) or the Advanced Glaucoma Intervention Study (AGIS). METHODS: By using perimetric and tonometric data from trial participants, we developed and validated Kalman Filter (KF) models for fast-, slow-, and nonprogressing patients with OAG. The KF can generate personalized and dynamically updated forecasts of OAG progression under different target IOP levels. For each participant, we determined how mean deviation (MD) would change if the patient maintains his/her IOP at 1 of 7 levels (6, 9, 12, 15, 18, 21, or 24 mmHg) over the next 5 years. We also model and predict changes to MD over the same time horizon if IOP is increased or decreased by 3, 6, and 9 mmHg from the level attained in the trials. MAIN OUTCOME MEASURES: Personalized estimates of the change in MD under different target IOP levels. RESULTS: A total of 571 participants (mean age, 64.2 years; standard deviation, 10.9) were followed for a mean of 6.5 years (standard deviation, 2.8). Our models predicted that, on average, fast progressors would lose 2.1, 6.7, and 11.2 decibels (dB) MD under target IOPs of 6, 15, and 24 mmHg, respectively, over 5 years. In contrast, on average, slow progressors would lose 0.8, 2.1, and 4.1 dB MD under the same target IOPs and time frame. When using our tool to quantify the OAG progression dynamics for all 571 patients, we found no statistically significant differences over 5 years between progression for black versus white, male versus female, and CIGTS versus AGIS participants under different target IOPs (P > 0.05 for all). CONCLUSIONS: To our knowledge, this is the first clinical decision-making tool that generates personalized forecasts of the trajectory of OAG progression at different target IOP levels. This approach can help clinicians determine appropriate, personalized target IOPs for patients with OAG. PMID- 29203068 TI - Prospective Randomized Trial of Corneal Cross-linking Riboflavin Dosing Frequencies for Treatment of Keratoconus and Corneal Ectasia. AB - PURPOSE: To investigate whether the riboflavin dosing frequency affects corneal cross-linking efficacy or safety, given that isotonic riboflavin solution is viscous and each installation coats the corneal surface with a film that absorbs some of the incident ultraviolet A light. DESIGN: Prospective, randomized, single center equivalence trial. PARTICIPANTS: Patients with progressive keratoconus or ectasia after refractive surgery (n = 510). METHODS: One eye per patient was prospectively randomized to 2-minute or 5-minute riboflavin dosing intervals with standard corneal cross-linking (epithelial removal and 30-minute irradiation with 3 mW/cm2 ultraviolet A light). Block randomization resulted in comparable representation of keratoconus and ectasia after refractive surgery in the 2 treatment arms. Treatment equivalence was assessed using the 2 one-sided test. Fellow eyes (n = 207) were treated with 5-minute dosing and considered in the safety analysis. MAIN OUTCOME MEASURES: The primary hypothesis was equivalent change in the topography-derived maximum keratometry value from baseline to 6 months with 2-minute vs. 5-minute dosing. A +/-0.75-diopter margin of equivalence for the treatment difference between dosing regimens was considered clinically relevant. Adverse events and changes from baseline to 6 months in corrected distance visual acuity (CDVA), uncorrected distance visual acuity, and minimum corneal thickness were assessed. RESULTS: The mean reduction in maximum keratometry from baseline was equivalent with 2-minute and 5-minute riboflavin dosing intervals at 6 months (0.97 and 0.76 diopters, respectively; 90% confidence interval for treatment difference, -0.23 to 0.66; per-protocol population). With both dosing intervals, the mean improvement in CDVA was 0.07 logarithm of the minimum angle of resolution or 3.5 letters at 6 months. Of the 635 study and fellow eyes examined at 6 months, 134 (21%) gained and 32 (5%) lost 2 or more lines of CDVA. Three eyes (0.4%) developed sterile infiltrates, 1 (0.1%) had delayed epithelial healing with dendrites, and 3 (0.4%) had recurrent epithelial defects. Three eyes (0.4%) were re-treated. CONCLUSIONS: The 2 riboflavin dosing regimens produced equivalent reduction in the maximum keratometry value, with a favorable safety profile. PMID- 29203069 TI - Thinking critically about health and human-animal relations: Therapeutic affect within spaces of care farming. AB - This article draws on a more-than-representational approach to reconsider how geographers engage with ideas of 'health'. Health can be understood as the constant reshaping of an individual's capacity to affect and be affected, the way in which a body's powers to act are dynamically augmented or diminished by different affective relations. The article also addresses calls for health geography to engage with the more-than-human. The article mobilises a qualitative study of 'care farming' within England and Wales to highlight the generative potential of human-animal relations in (re)shaping the diverse affective relations gathered together to produce new bodily capacities. The article demonstrates how animal presence and agency can break down barriers, allowing people to navigate and negotiate adverse contexts and access support in a manner and space in which they feel comfortable. Additionally, human-animal relations are shown to produce affective experiences that act to re-place identities, understandings, and ways of 'being-with' the world that can enact what different actants may become. Human-animal relations matter for health. PMID- 29203071 TI - MiStent: just another example of non-inferiority? PMID- 29203070 TI - A sirolimus-eluting bioabsorbable polymer-coated stent (MiStent) versus an everolimus-eluting durable polymer stent (Xience) after percutaneous coronary intervention (DESSOLVE III): a randomised, single-blind, multicentre, non inferiority, phase 3 trial. AB - BACKGROUND: MiStent is a drug-eluting stent with a fully absorbable polymer coating containing and embedding a microcrystalline form of sirolimus into the vessel wall. It was developed to overcome the limitation of current durable polymer drug-eluting stents eluting amorphous sirolimus. The clinical effect of MiStent sirolimus-eluting stent compared with a durable polymer drug-eluting stents has not been investigated in a large randomised trial in an all-comer population. METHODS: We did a randomised, single-blind, multicentre, phase 3 study (DESSOLVE III) at 20 hospitals in Germany, France, Netherlands, and Poland. Eligible participants were any patients aged at least 18 years who underwent percutaneous coronary intervention in a lesion and had a reference vessel diameter of 2.50-3.75 mm. We randomly assigned patients (1:1) to implantation of either a sirolimus-eluting bioresorbable polymer stent (MiStent) or an everolimus eluting durable polymer stent (Xience). Randomisation was done by local investigators via web-based software with random blocks according to centre. The primary endpoint was a non-inferiority comparison of a device-oriented composite endpoint (DOCE)-cardiac death, target-vessel myocardial infarction, or clinically indicated target lesion revascularisation-between the groups at 12 months after the procedure assessed by intention-to-treat. A margin of 4.0% was defined for non-inferiority of the MiStent group compared with the Xience group. All participants were included in the safety analyses. This trial is registered with ClinicalTrials.gov, number NCT02385279. FINDINGS: Between March 20, and Dec 3, 2015, we randomly assigned 1398 patients with 2030 lesions; 703 patients with 1037 lesions were assigned to MiStent, of whom 697 received the index procedure, and 695 patients with 993 lesions were asssigned to Xience, of whom 690 received the index procedure. At 12 months, the primary endpoint had occurred in 40 patients (5.8%) in the sirolimus-eluting stent group and in 45 patients (6.5%) in the everolimus-eluting stent group (absolute difference -0.8% [95% CI -3.3 to 1.8], pnon-inferiority=0.0001). Procedural complications occurred in 12 patients (1.7%) in the sirolimus-eluting stent group and ten patients (1.4%) in the everolimus-eluting stent group; no clinical adverse events could be attributed to these dislodgements through a minimum of 12 months of follow-up. The rate of stent thrombosis, a safety indicator, did not differ between groups and was low in both treatment groups. INTERPRETATION: The sirolimus-eluting bioabsorbable polymer stent was non-inferior to the everolimus-eluting durable polymer stent for a device-oriented composite clinical endpoint at 12 months in an all-comer population. MiStent seems a reasonable alternative to other stents in clinical practice. FUNDING: The European Cardiovascular Research Institute, Micell Technologies (Durham, NC, USA), and Stentys (Paris, France). PMID- 29203072 TI - Practical and theoretical considerations on the fracture toughness testing of dental restorative materials. AB - BACKGROUND: An important tool in materials research, development and characterization regarding mechanical performance is the testing of fracture toughness. A high level of accuracy in executing this sort of test is necessary, with strict requirements given in extensive testing standard documents. Proficiency in quality specimen fabrication and test requires practice and a solid theoretical background, oftentimes overlooked in the dental community. AIMS: In this review we go through some fundamentals of the fracture mechanics concepts that are relevant to the understanding of fracture toughness testing, and draw attention to critical aspects of practical nature that must be fulfilled for validity and accuracy in results. We describe our experience with some testing methodologies for CAD/CAM materials and discuss advantages and shortcomings of different tests in terms of errors in testing the applicability of the concept of fracture toughness as a single-value material-specific property. PMID- 29203073 TI - Effect of the Glide Path Establishment on the Torque Generation to the Files during Instrumentation: An In Vitro Measurement. AB - INTRODUCTION: The purpose of this study was to compare in vitro torque generation during instrumentation with or without glide path establishment. METHODS: Endo training resin blocks with J-shaped canals were randomly divided into 2 groups according to glide path establishment (with or without) and subdivided into 2 subgroups with shaping instruments (WaveOne [Dentsply Maillefer, Ballaigues, Switzerland] or WaveOne Gold [Dentsply Maillefer]) (n = 15). For the glide path established group, the glide path was prepared using ProGlider (Dentsply Maillefer). During the instrumentation with WaveOne or WaveOne Gold, in vitro torque was measured. The acquired data were analyzed with software. The maximum torque and total torque (the sum of the generated torque) were calculated. The data were statistically evaluated using 2-way analysis of variance and the Duncan post hoc comparison to examine any correlation of torque generation with glide path establishment and nickel-titanium instruments. The significance level was set at 95%. RESULTS: The generated total torque by WaveOne Gold was significantly reduced by glide path establishment (P < .05), whereas glide path establishment did not induce significant changes in the maximum torque for both file systems. WaveOne Gold with a glide path showed the lowest total torque generation among all groups (P < .05). WaveOne generated a higher maximum torque than WaveOne Gold regardless of the establishment of a glide path (P < .05). CONCLUSIONS: Under the limitations of this study, glide path establishment and the mechanical property of instruments have a significant influence on torque generation. It is recommended to create the glide path and use a flexible file to reduce torque generation and, consequently, the risk of file fracture and root dentin damage. PMID- 29203074 TI - Microscopic biliary and perineural invasion and clinical outcome after neoadjuvant bevacizumab-based chemotherapy and liver resection in patients with colorectal liver metastases. AB - BACKGROUND: The value of microscopic biliary and perineural invasion as prognostic biomarkers in patients with resectable colorectal liver metastases (CLM) who undergo neoadjuvant chemotherapy and liver resection is still unclear. This retrospective study was performed to elucidate this issue. METHODS: Histologic slides of resected CLM of patients who underwent neoadjuvant bevacizumab-based chemotherapy and liver resection were investigated with respect to biliary and perineural invasion. Presence of invasion was correlated with radiologic and histologic response, recurrence-free survival (RFS) and overall survival (OS). RESULTS: One hundred forty-one patients were enrolled. There was a significant association between biliary and perineural invasion, respectively (P = 0.001). Moreover, both biliary and perineural invasion were associated with bilobar metastatic spread and higher number of metastases, while perineural invasion was also associated with a higher Fong score. No significant association was found with response. In univariable analysis, biliary and perineural invasion were associated with shorter RFS (median 10.1 vs. 13.5 months, HR 2.09, P = 0.010 and 7.6 vs. 14.0, HR 2.23, P = 0.001, respectively). Biliary invasion was also associated with shorter OS (median 32.8 months vs. not reached, HR 2.78, P = 0.010), however these results did not remain significant in multivariable analysis. CONCLUSIONS: In patients with resectable colorectal liver metastases undergoing neoadjuvant bevacizumab-based chemotherapy and liver resection, biliary and perineural invasion are associated with higher tumor load but may not be prognostic biomarkers. PMID- 29203075 TI - The role of ultrasonography of the axilla and fine-needle aspiration cytology in breast cancer patients in the era of neo-adjuvant chemotherapy and axillary radiation; prevention of futile sentinel node procedures revisited. PMID- 29203076 TI - The decay of engineered wood products and paper excavated from landfills in Australia. AB - Large volumes of engineered wood products (EWPs) and paper are routinely placed in landfills in Australia, where they are assumed to decay. However, the extent of decay for EWPs is not well-known. This study reports carbon loss from EWPs and paper buried in landfills in Sydney, Brisbane and Cairns in Australia, located in temperate, subtropical and tropical climates, respectively. The influence of pulp type (mechanical and chemical) and landfill type (municipal solid waste - MSW and construction and demolition - C&D) on decay levels were investigated. Carbon loss for EWPs ranged from 0.6 to 9.0%; though there is some uncertainty in these values due to limitations associated with sourcing appropriate controls. Carbon loss for paper products ranged from 0 to 58.9%. Papers produced from predominantly mechanical pulps generally had lower levels of decay than those produced via chemical or partly chemical processes. Typically, decay levels for paper products were highest for the tropical Cairns landfill, suggesting that climate may be a significant factor to be considered when estimating emissions from paper in landfills. For EWPs, regardless of the landfill type and climate, carbon losses were low, confirming results from previous laboratory studies. Lower carbon losses were observed for EWP and paper excavated from the Sydney C&D landfill, compared with the Sydney MSW landfill, confirming the hypothesis that conditions in C&D landfills are less favourable for decay. These results have implications for greenhouse gas inventory estimations, as carbon losses for EWPs were lower than the commonly assumed values of 23% (US EPA) and 50% (Intergovernmental Panel on Climate Change). For paper types, we suggest that separate decay factors should be used for papers dominated by mechanical pulp and those produced from mostly chemical pulps, and also for papers buried in tropical or more temperate climates. PMID- 29203077 TI - Waste wood as bioenergy feedstock. Climate change impacts and related emission uncertainties from waste wood based energy systems in the UK. AB - Considering the urgent need to shift to low carbon energy carriers, waste wood resources could provide an alternative energy feedstock and at the same time reduce emissions from landfill. This research examines the climate change impacts and related emission uncertainties of waste wood based energy. For this, different grades of waste wood and energy application have been investigated using lifecycle assessment. Sensitivity analysis has then been applied for supply chain processes and feedstock properties for the main emission contributing categories: transport, processing, pelletizing, urea resin fraction and related N2O formation. The results show, depending on the waste wood grade, the conversion option, scale and the related reference case, that emission reductions of up to 91% are possible for non-treated wood waste. Compared to this, energy from treated wood waste with low contamination can achieve up to 83% emission savings, similar to untreated waste wood pellets, but in some cases emissions from waste wood based energy can exceed the ones of the fossil fuel reference - in the worst case by 126%. Emission reductions from highly contaminated feedstocks are largest when replacing electricity from large-scale coal and landfill. The highest emission uncertainties are related to the wood's resin fraction and N2O formation during combustion and, pelletizing. Comparing wood processing with diesel and electricity powered equipment also generated high variations in the results, while emission variations related to transport are relatively small. Using treated waste wood as a bioenergy feedstock can be a valid option to reduce emissions from energy production but this is only realisable if coal and landfill gas are replaced. To achieve meaningful emission reduction in line with national and international climate change targets, pre treatment of waste wood would be required to reduce components that form N2O during the energy conversion. PMID- 29203078 TI - Response to Arteaga et al. PMID- 29203079 TI - Residual pressure gradient across the implanted stent: An important factor of post-PCI physiological results. AB - BACKGROUND: Instantaneous wave-free ratio (iFR) has the potential to improve the accuracy of the prediction of the physiological result of percutaneous coronary intervention (PCI). The aim of this study was to evaluate the accuracy of iFR to predict the final physiological results following PCI, and investigate the factors for failed prediction. METHODS: In 73 lesions, iFR pullback recordings were measured and comparisons were made between the predicted improvement following PCI and the observed result. RESULTS: iFR predicted-observed difference was 0.036+/-0.037. Multivariate analysis showed residual iFR pressure gradient across the implanted stent (odds ratio, 2.329; 95% confidence interval, 1.408 3.853; p=0.0010) as an independent risk factor for error in iFR prediction. CONCLUSIONS: iFR predicted-observed difference was 0.036+/-0.037. Residual in stent iFR pressure gradient following PCI is the only independent risk factor for failed prediction. PMID- 29203080 TI - Diastolic wall strain is associated with incident heart failure in African Americans: Insights from the atherosclerosis risk in communities study. AB - BACKGROUND: Increased left ventricular (LV) myocardial stiffness may be associated with impaired LV hemodynamics and incident heart failure (HF). However, an indicator that estimates LV myocardial stiffness easily and non invasively is lacking. The purpose of this study was to determine whether diastolic wall strain (DWS), an echocardiographic estimator of LV myocardial stiffness, is associated with incident HF in a middle-aged community-based cohort of African Americans. METHODS AND RESULTS: We investigated associations between DWS and incident HF among 1528 African Americans (mean age 58.5 years, 66% women) with preserved LV ejection fraction (EF >=50%) and without a history of cardiovascular disease in the Atherosclerosis Risk in Communities Study. Participants with the smallest DWS quintile (more LV myocardial stiffness) had a higher LV mass index, higher relative wall thickness, and lower arterial compliance than those in the larger four DWS quintiles (p<0.01 for all). Over a mean follow-up of 15.6 years, there were 251 incident HF events (incidence rate: 10.9 per 1000 person-years). After adjustment for traditional risk factors and incident coronary artery disease, both continuous and categorical DWS were independently associated with incident HF (HR 1.21, 95%CI 1.04-1.41 for 0.1 decrease in continuous DWS, p=0.014, HR 1.40, 95%CI 1.05-1.87 for the smallest DWS quintile vs other combined quintiles, p=0.022). CONCLUSIONS: DWS was independently associated with an increased risk of incident HF in a community based cohort of African Americans. DWS could be used as a qualitative estimator of LV myocardial stiffness. PMID- 29203081 TI - Semi-automated QRS score as a predictor of survival in CRT treated patients with strict left bundle branch block. AB - BACKGROUND: Cardiac Resynchronization Therapy (CRT) is widely used for treating selected heart failure patients, but patients with myocardial scar respond worse to treatment. The Selvester QRS scoring system estimates myocardial scar burden using 12-lead ECG. This study's objective was to investigate the scores correlation to mortality in a CRT population. METHODS AND RESULTS: Data on consecutive CRT patients was collected. 401 patients with LBBB and available ECG data were included in the study. QuAReSS software was used to perform Selvester scoring. Mean Selvester score was 6.4, corresponding to 19% scar burden. The endpoint was death or heart transplant; outcome was analyzed using Cox proportional hazards models. A Selvester score >8 was significantly associated with higher risk of the combined endpoint (HR 1.59, p=.014, CI 1.09-2.3). CONCLUSION: Higher Selvester scores correlate to mortality in CRT patients with strict LBBB and might be of value in prognosticating survival. PMID- 29203082 TI - Training tomorrow's doctors to explain 'medically unexplained' physical symptoms: An examination of UK medical educators' views of barriers and solutions. AB - OBJECTIVE: Co-occuring physical symptoms, unexplained by organic pathology (known as Functional Syndromes, FS), are common and disabling presentations. However, FS is absent or inconsistently taught within undergraduate medical training. This study investigates the reasons for this and identifies potential solutions to improved implementation. METHODS: Twenty-eight medical educators from thirteen different UK medical schools participated in semi-structured interviews. Thematic analysis proceeded iteratively, and in parallel with data production. RESULTS: Barriers to implementing FS training are beliefs about the complexity of FS, tutors' negative attitudes towards FS, and FS being perceived as a low priority for the curriculum. In parallel participants recognised FS as ubiquitous within medical practice and erroneously assumed it must be taught by someone. They recommended that students should learn about FS through managed exposure, but only if tutors' negative attitudes and behaviour are also addressed. CONCLUSION: Negative attitudes towards FS by educators prevents designing and delivering effective education on this common medical presentation. Whilst there is recognition of the need to implement FS training, recommendations are multifaceted. PRACTICE IMPLICATIONS: Increased liaison between students, patients and educators is necessary to develop more informed and effective teaching methods for trainee doctors about FS and in order to minimise the impact of the hidden curriculum. PMID- 29203083 TI - Effect of different formats for information on side effects regarding medicine users' understanding: A randomized controlled trial. AB - OBJECTIVE: The objective of this randomized controlled trial was to evaluate the efficacy of presenting information on the risks of side effects from a medicine, presented in different formats. METHODS: A randomized, parallel-group, single center controlled trial was conducted among adult users of a training pharmacy. The information was categorized into the following groups: verbal descriptors+percentage range, percentage range and absolute percentage. The main outcomes were gist understanding and verbatim understanding, classified either as adequate or inadequate. The analyses were performed using ANOVA and Pearson's chi square test. RESULTS: A total of 393 participants were recruited from June to October 2015. Adequate levels of gist understanding and verbatim understanding were respectively 65.6% and 53.9% for the verbal descriptors+percentage range (n=128), 63.4% and 44.3% for percentage range (n=131), and 62.3% and 48.5% for absolute percentage (n=131), with no statistically significant difference between the groups (p=0.852 and p=0.299, respectively). CONCLUSION: The understanding of the information was similar in all three formats, but the percentages of adequate understanding were low. PRACTICAL IMPLICATIONS: The percentage of inadequate understanding demonstrated in this study indicates that alternative formats for reporting adverse reactions need to be evaluated. PMID- 29203085 TI - Large-Scale Gradients in Human Cortical Organization. AB - Recent advances in mapping cortical areas in the human brain provide a basis for investigating the significance of their spatial arrangement. Here we describe a dominant gradient in cortical features that spans between sensorimotor and transmodal areas. We propose that this gradient constitutes a core organizing axis of the human cerebral cortex, and describe an intrinsic coordinate system on its basis. Studying the cortex with respect to these intrinsic dimensions can inform our understanding of how the spectrum of cortical function emerges from structural constraints. PMID- 29203084 TI - The impact of genetic counselors' use of facilitative strategies on cognitive and emotional processing of genetic risk disclosure for Alzheimer's disease. AB - OBJECTIVES: To determine the impact of genetic counselor (GC) communication on cognitive and emotional processing of Alzheimer's disease (AD) risk information during discussions with patients with clinical diagnoses of mild cognitive impairment and their companion. METHODS: 79 recordings and transcripts of AD risk disclosure sessions collected as part of the fourth REVEAL Trial were coded using the Roter Interaction Analysis System (RIAS) and the Linguistic Inquiry Word Count (LIWC). Multilevel analyses were used to determine the association between GCs' use of communication facilitation strategies and patient and companion use of words indicative of cognitive and emotional processing. RESULTS: GC used somewhat more cognitive (14%) than emotional (10%) facilitation strategies. Both patients and companions used more words indicative of cognitive (18% and 17%) than emotional (6% and 5%) processing. GC use of facilitative strategies and patient and companion use of cognitive and emotional processing words were significantly associated in both unadjusted and adjusted models (all p values<0.01). CONCLUSIONS: GCs' use of facilitative strategies assist in cognitive and emotional processing in a way that may be linked to therapeutic benefit. PRACTICE IMPLICATIONS: These findings highlight mechanisms through which GCs may assist patients and companions to better understand and cope with risk information. PMID- 29203086 TI - Editorial overview: Making evolutionary sense of everything. PMID- 29203087 TI - Rebuttal to the Letter to the Editor by Siamak Sabour, MEDDOS-D-17-00095. PMID- 29203088 TI - Ontogenetic prey size selection in snakes: predator size and functional limitations to handling minimum prey sizes. AB - As body size increases, some predators eliminate small prey from their diet exhibiting an ontogenetic shift toward larger prey. In contrast, some predators show a telescoping pattern of prey size in which both large and small prey are consumed with increasing predator size. To explore a functional explanation for the two feeding patterns, I examined feeding effort as both handling time and number of upper jaw movements during ingestion of fish of consistent size. I used a range of body sizes from two snake species that exhibit ontogenetic shifts in prey size (Nerodia fasciata and N. rhombifer) and a species that exhibits telescoping prey size with increased body size (Thamnophis proximus). For the two Nerodia species, individuals with small or large heads exhibited greater difficulty in feeding effort compared to snakes of intermediate size. However, for T. proximus measures of feeding effort were negatively correlated with head length and snout-vent length (SVL). These data indicate that ontogenetic shifters of prey size develop trophic morphology large enough that feeding effort increases for disproportionately small prey. I also compared changes in body size among the two diet strategies for active foraging snake species using data gleaned from the literature to determine if increased change in body size and thereby feeding morphology is observable in snakes regardless of prey type or foraging habitat. Of the 30 species sampled from literature, snakes that exhibit ontogenetic shifts in prey size have a greater magnitude of change in SVL than species that have telescoping prey size patterns. Based upon the results of the two data sets above, I conclude that ontogenetic shifts away from small prey occur in snakes due, in part, to growth of body size and feeding structures beyond what is efficient for handling small prey. PMID- 29203089 TI - Multivariate analysis of risk factors for postoperative wound infection following oral and oropharyngeal cancer surgery. AB - PURPOSE: The goal of this study was to identify risk factors for wound infections in patients with oral cancer who underwent surgical procedures. MATERIALS AND METHODS: This study included 195 patients who underwent surgical treatment of oral and oropharyngeal cancer over a 7-year period. Wound infection was defined as the occurrence of purulent content from the wound or as an appearance of exudate with signs of local infection and positive cultures taken from the wound. For every patient who was suspected to have a wound infection, a swab from the wound was taken, and microbiological analysis was performed. The patients were divided into 2 groups: patients with postoperative wound infections, and patients with postoperative wound infection. RESULTS: Wound infection was present in 155 patients (59%). Univariate analysis indicated that the following factors were significantly related to the occurrence of wound infection: gender, smoking, tumor localization, size and stage of the tumor, type of surgery, neck dissection, type of reconstruction, nasogastric sonde, gastrostomy and tracheotomy. On multivariate analysis, statistically significant predictors of wound infection were gender, tumor localization and type of reconstruction. CONCLUSIONS: The occurrence of wound infection is high despite antibiotic prophylaxis. To minimize the risk of wound infection and for prompt recognition of risk factors, surgeons managing oral tumor patients should have a better understanding of the risk factors such as gender, tumor localization and type of reconstruction. PMID- 29203090 TI - Regional patterns of gray matter volume, hypometabolism, and beta-amyloid in groups at risk of Alzheimer's disease. AB - Alzheimer's disease (AD) is characterized by the presence of beta-amyloid (Abeta) deposition and neurodegeneration. To seek for signs of such pathologies, we compared regional biomarker degrees and patterns of Abeta deposition, glucose hypometabolism, and gray matter volume (GMV) reduction in 3 groups at risk of AD. In elderly carriers of the apolipoprotein E epsilon4 (APOE4, n = 17), patients with subjective cognitive decline (n = 16), and patients with mild cognitive impairment (n = 30), head-to-head intermodality comparisons were performed on cross-sectional structural magnetic resonance images as well as 18F fluorodeoxyglucose and 18F-florbetapir positron emission tomography scans. In mild cognitive impairment patients, 3 distinct biomarker patterns were recovered, similarly seen in AD patients: (1) in medial temporal regions, local GMV reduction exceeded hypometabolism, (2) in temporoparietal regions, hypometabolism predominated over GMV reduction, and (3) in frontal regions, Abeta deposition exceeded GMV reduction and hypometabolism. In subjective cognitive decline patients, only pattern 1 was detected, while APOE4 carriers demonstrated only pattern 3. Our findings highlight that regional AD-like biomarker patterns may vary across different at-risk populations, potentially reflecting differential mediators of these risks. PMID- 29203091 TI - Re-irradiation of Vertebral Body Metastases: Treatment in the Radiosurgery Era. AB - Vertebral bodies remain one of the most common sites of metastases. In cases where surgical intervention is not indicated or appropriate, conventional external radiation therapy (cEBRT) has been the standard treatment modality. Unfortunately, cEBRT is typically limited, with low complete response and poor local control rates. Disappointing results with re-irradiation using cEBRT highlight the need for innovative salvage therapeutic strategies, such as stereotactic body radiotherapy. A detailed description of this complex treatment strategy is outlined, as is a systematic review of current literature. Although data are limited to single institution series, re-irradiation has consistently been found to be effective with respect to local control (1 year rates range from 66 to 90%) and pain response. Importantly, the treatment is shown to be safe, with the crude rate of radiation myelopathy <1% and a rate of vertebral compression fracture of 12%. As further research and technologic advances continue to refine therapy, stereotactic body radiotherapy is now a recommended option for the treatment of previously irradiated vertebral body metastases. PMID- 29203092 TI - Efficacy and safety of pemafibrate (K-877), a selective peroxisome proliferator activated receptor alpha modulator, in patients with dyslipidemia: Results from a 24-week, randomized, double blind, active-controlled, phase 3 trial. AB - BACKGROUND: To overcome the concerns associated with the use of fibrates, pemafibrate (K-877), a novel selective peroxisome proliferator-activated receptor modulator, was developed. In a previous phase 2 trial, we showed excellent efficacy and safety of pemafibrate in patients with dyslipidemia. OBJECTIVE: The objective of the study was to evaluate the efficacy and safety of pemafibrate over 24 weeks in adults with dyslipidemia in comparison with fenofibrate. METHODS: In this multicenter, 24-week, double-blind, clinical study, 225 patients with high triglyceride (TG; >=150 mg/dL [1.7 mmol/L] and <500 mg/dL [5.7 mmol/L]) and relatively low high-density lipoprotein cholesterol (<50 mg/dL [1.3 mmol/L] in men or 55 mg/dL [1.4 mmol/L] in women) levels were randomized to receive either pemafibrate at 0.2 or 0.4 mg/d or fenofibrate 106.6 mg/d. RESULTS: Pemafibrate 0.2, 0.4 mg/d and fenofibrate significantly reduced TG levels from baseline by -46.2%, -45.9%, and -39.7%, respectively. As compared with fenofibrate, the least squares mean differences (95% confidence intervals) in TG were -6.5% (-12.0, -1.1) and -6.2% (-11.6, -0.8) in pemafibrate 0.2 and 0.4 mg/d respectively, which showed the superiority of these doses of pemafibrate to 106.6 mg/d of fenofibrate. The incidence rates of adverse drug reactions in pemafibrate groups (2.7% and 6.8%) were significantly lower than that in the fenofibrate group (23.7%). Pemafibrate significantly decreased alanine aminotransferase and gamma-glutamyltransferase levels, whereas fenofibrate increased both of them. The increments of serum creatinine and cystatin C were smaller in pemafibrate than those in fenofibrate. CONCLUSIONS: Pemafibrate was superior to fenofibrate in terms of serum TG-lowering effect and hepatic and renal safety. PMID- 29203093 TI - The growth and development of gerontological nurse leaders in policy. AB - BACKGROUND: The National Hartford Center of Gerontological Nursing Excellence (NHCGNE) Scholars/Fellows Award Program was designed to promote the growth and development of nurse scientists, educators, and leaders in aging. PURPOSE: McBride's conceptual framework of the growth and development of nurse leaders was used to examine the NHCGNE impact on health and aging policy work among scholars/fellows, including barriers, facilitators, and resources. METHODS: A multimethod two-phased approach included an online survey (phase I) focused on research and policy impact at local, state, or national level. Telephone interviews (phase II) were conducted to further understand the nature, depth, and focus of respondents' policy work. DISCUSSION: Based on our findings, we propose multilevel recommendations for advancing nurse scientists' capacity to be leaders in shaping policy. Keen research skills are influential in policy advancement but not sufficient to advance policy. Preparing nurse scientists with competencies in translating research into policy can ultimately transform health and health care for older adults. PMID- 29203094 TI - Percutaneous stent placement for malignant hilar biliary obstruction: a comparison between criss-cross and T-configuration techniques. AB - AIM: To compare the clinical effectiveness of percutaneous stent placement between T and criss-cross configuration techniques in patients with advanced malignant hilar biliary obstruction. MATERIALS AND METHODS: Between January 2009 and December 2014, 59 patients who underwent percutaneous stent placement for malignant hilar obstruction were included in this retrospective study. T configured stent placement (T group) was performed in 33 patients and criss-cross configured stent placement (criss-cross group) in 26 patients. Technical and clinical success, complications, patient survival, and stent patency were compared between the two groups. RESULTS: Stent placement was technically successful in all patients of the two groups. Clinical success was achieved in 30 (90.9%) patients of T group and 25 (96.9%) of criss-cross group (p=0.62). Two patients in the T group (6.1%) required additional stent placement for internal drainage of undrained sector. There were no major complications. Median survival was not statistically different between the two groups (128 days in the T group versus 183 days in the criss-cross group; p=0.33). Stent occlusion occurred in 15 patients in the T group and seven patients in the criss-cross group. The stent patency of the criss-cross group (median 330 days) was longer than that of the T group (median 132 days; p=0.0007). CONCLUSIONS: Early clinical effectiveness is comparable between the two techniques; however, additional intervention is occasionally required for drainage of an undrained sector after T-configured stent placement. Stent placement with criss-cross configuration provides longer stent patency than T-configuration technique. PMID- 29203095 TI - Curved multiplanar reconstruction of CT scans for demonstration of multifocal metastatic lung nodules in children in a single image. PMID- 29203096 TI - Meningococcal disease, a clinical and epidemiological review. AB - Meningococcal disease is the acute infection caused by Neisseria meningitidis, which has humans as the only natural host. The disease is widespread around the globe and is known for its epidemical potential and high rates of lethality and morbidity. The highest number of cases of the disease is registered in the semi arid regions of sub-Saharan Africa. In Brazil, it is endemic with occasional outbreaks, epidemics and sporadic cases occurring throughout the year, especially in the winter. The major epidemics of the disease occurred in Brazil in the 70's caused by serogroups A and C. Serogroups B, C and Y represent the majority of cases in Europe, the Americas and Australia. However, there has been a growing increase in serogroup W in some areas. The pathogen transmission happens for respiratory route (droplets) and clinically can lead to meningitis and sepsis (meningococcemia). The treatment is made with antimicrobial and supportive care. For successful prevention, we have some measures like vaccination, chemoprophylaxis and droplets' precautions. In this review, we have described and clarify clinical features of the disease caused by N. meningitidis regarding its relevance for healthcare professionals. PMID- 29203097 TI - Euclea undulata Thunb.: Review of its botany, ethnomedicinal uses, phytochemistry and biological activities. AB - Euclea undulata (E. undulata) is traditionally used for the treatment of body pains, chest complaints, cough, diabetes, diarrhoea, headaches, heart diseases and toothaches in southern Africa. This study was aimed at reviewing the botany, ethnopharmacology and biological activities of E. undulata in southern Africa. Results presented in this study are based on review of literature using search engines such as Science Direct, Springerlink, Scopus, PubMed, Web of Science, BioMed Central and Google Scholar. Herbal medicine is prepared from the decoctions of the roots, bark and leaves, and extracts of these plant parts have demonstrated anticholinesterase, anti-inflammatory, antimicrobial, antimycobacterial, antiplasmodial, antioxidant and hypoglycaemic activities. Multiple classes of phytochemical compounds such alkaloids, diterpenes, fatty acids, flavonoids, glycosides, naphthoquinones, phenolics, phytosterols, reducing sugars, saponins and tannins have been isolated from the species. E. undulata has a lot of potential as herbal medicine in tropical Africa, and advanced research is required aimed at correlating its medicinal uses with the phytochemistry and pharmacological properties. PMID- 29203098 TI - Pattern of hepatitis C virus genotypes and subtypes circulating in war-stricken Khyber Pakhtunkhwa, Pakistan: Review of published literature. AB - Infection due to hepatitis C virus (HCV) is a major cause of fibrosis and hepatocellular carcinoma in Pakistan. In the current review, pattern of HCV genotypes and subtypes in Khyber Pakhtunkhwa province was ascertained in light of the available literature. After thorough analysis, genotype 3 (58.27%) was determined to be the leading HCV genotype, followed by genotypes 2 (12.39%), 1 (9.54%) and 4 (0.86%). The proportions of genotypes 5 and 6 were recorded as 0.09% and 0.22% respectively. Subtype wise, 3a accounted for 48.67%, followed by subtype 2a (10.91%), 3b (9.43%), 1a (5.84%), 1b (3.66%), 2b (1.45%) and genotype 4 with its undefined subtypes contributed a portion of 0.86%. The cumulative share of subtypes 1c, 2c, 3c, 5a and 6a was less than 1%. In 11.51% cases, the subtype was untypeable while in 7.17% cases mixed subtypes were recorded. Gender wise, proportions of most HCV subtypes were marginally higher among males as compared to females. On the basis of studied groups, 3a was pervasive among all groups except in intravenous drug users where 2a was the major HCV subtype. Similarly, based on various geographical locations (provincial divisions), subtype 3a revealed a ubiquitous distribution. Conclusively, HCV 3a persists to be the principal subtype across the province of Khyber Pakhtunkhwa. The considerable number of untypeable subtypes in most studies urges for an improved genotyping system on the basis of local sequence data and practice of sequencing for determination of underlying subtype in untypeable cases. Further, studies on identification of subtypes transmission pattern are imperative for assessment of transmission origin and reinforcement of efficient control strategies. In addition, the current review emphasizes the need of attention toward HCV risk groups and ignored southern side of Khyber Pakhtunkhwa province for better holistic understanding of HCV genotype distribution pattern in the province. PMID- 29203099 TI - Effects of 8-Hydroxyisocapnolactone-2-3-diol and friedelin on mast cell degranulation. AB - OBJECTIVE: To investigate the effects of friedelin (terpenoid) and 8 hydroxyisocapnolactone-2-3-diol (coumarin) with concentration 10 MUM, 30 MUM, and 100 MUM on inhibiting mast cells (MCs) degranulation. METHODS: The investigation was performed in vitro by administering each compound into rat peritoneal MCs and rat basophilic leukemia-2H3 cells followed by activation with 50 MUg/mL of compound 48/80 or 1 MUM of ionomycin. The concentration of histamine released from each group was measured by a high-performance liquid chromatography fluorometry system with post-column derivatization using o-phthalaldehyde. RESULTS: 8-Hydroxyisocapnolactone-2-3-diol inhibited degranulation of compound 48/80 activated-rat peritoneal MCs with the histamine release percentages of 74.57%, 72.21% and 51.79% when the 10 MUM, 30 MUM and 100 MUM concentrations were used, respectively. Where as about 81% histamine was released by the control group. Degranulation inhibition ability was also observed in ionomycin-activated rat basophilic leukemia-2H3 cells. In contrast, friedelin failed to inhibit degranulation in either cell type. The inhibition of 8-hydroxyisocapnolactone-2-3 diol was not related to the depletion of histamine synthesis as implied by the total histamine measurement. CONCLUSIONS: These results exhibit the promising of 8-hydroxyisocapnolactone-2-3-diol is a potential parent structure for developing a MCs stabilizer. PMID- 29203100 TI - Antioxidant, anti-inflammatory and antinociceptive potential of Ternstroemia sylvatica Schltdl. & Cham. AB - OBJECTIVE: To evaluate the anti-inflammatory, analgesic, antioxidant and acute toxicity of extracts obtained from a successive extraction with solvents of ascending polarity [hexane, hex; chloroform, CHCl3 and ethanol (EtOH)] of Ternstroemia sylvatica Schltdl. & Cham. METHODS: The antioxidant potential was evaluated by 2,2 diphenyl-1-picrylhydrazyl, the ferric reducing/antioxidant power assays and by determining the total phenolic content. The anti-inflammatory and antinociceptive effects were evaluated using the in vivo croton oil-induced ear edema, phorbol 12-myristate 13-acetate induced ear edema, carrageenan-induced paw edema, acetic acid-induced writhing and formalin murine models. The acute toxicity was tested using the Lorke's method in mice. RESULTS: The EtOH extract was the most active for the antioxidant potential tests diphenyl-1-picrylhydrazyl (68.70% inhibition), ferric reducing/antioxidant power [(2431.30 +/- 102.10) mmol Fe2+ and total polyphenols content (215.80 +/- 8.50) meqAG/g]. The anti inflammatory activity was evaluated by topical application of croton oil (2 mg/ear dose) where the EtOH extract showed the strongest activity compared to the control group (45.13% inhibition), whereas in the phorbol 12-myristate 13-acetate model, at the same dose, the CHCl3 extract showed the highest inhibition (42.88%). In the carrageenan induced edema model, the EtOH extract showed a stronger inhibition compared to indomethacin (56.34% and 50.70% at doses of 250 and 500 mg/kg of extract, respectively) during the first hour. Similarly, the same extract showed the highest analgesic activity (30.60% inhibition) in the acetic acid contortion assay, and in the formalin test it showed a greater effect with respect to the control group in both phases. CONCLUSIONS: Our work confirms the value of Ternstroemia sylvatica as an important anti-inflammatory and analgesic plant, whose mechanism seems to be associated to its antioxidant effects, and supports its uses in the Mexican traditional medicine. PMID- 29203101 TI - Efficient hepatoprotective activity of cranberry extract against CCl4-induced hepatotoxicity in Wistar albino rat model: Down-regulation of liver enzymes and strong antioxidant activity. AB - OBJECTIVE: To investigate the hepatoprotective efficacy of cranberry extract (CBE) against carbon tetrachloride (CCl4)-induced hepatic injury using in-vivo animal model. METHODS: The hepatoprotective efficacy of CBE (200 and 400 mg/kg) was investigated against CCl4 (4 mL/kg)-induced hepatotoxicity, elevated liver enzymes [ALT (alanine aminotransferase), AST (aspartate aminotransferase), and alkaline phosphatase (ALP)], and total protein (TP) contents in the serum. Moreover, CBE-aided antioxidant defense against hepatotoxic insult of CCl4 was measured by evaluating a number of anti-oxidative biomarkers including reduced glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), and malondialdehyde (MDA) in the serum by using spectrophotometric analyses. RESULTS: Results showed that the exposure of experimental animals to CCl4 did induce significant hepatotoxicity compared to the non-induced (untreated) group. The oral administration of CBE demonstrated a significant dose-dependent alleviation in the liver enzymes (AST, ALT, and ALP), increased antioxidant defense (GSH, SOD, and CAT), and reduced MDA levels in the serum of treated animals compared to the animals without treatment. The resulting data showed that the administration of CBE decreased the serum levels of ALT, AST, and ALP compared to the CCl4 induced group. CONCLUSIONS: The resulting data evidenced that CBE exhibits promising hepatoprotective potential against the chemical induced hepatotoxicity, maintains homeostasis in liver enzymes, and can provide significant antioxidant defense against free radicals-induced oxidative stress. PMID- 29203102 TI - Antimicrobial resistance and underlying mechanisms in Staphylococcus aureus isolates. AB - OBJECTIVE: To investigate the antimicrobial susceptibility of 97 clinical Staphylococcus aureus (S. aureus) strains against 14 antimicrobials and corresponding resistance mechanisms. METHODS: The antimicrobial susceptibility of the isolates was determined using a disk diffusion method and antimicrobial resistance genes were screened by polymerase chain reaction. Mutations responsible for ciprofloxacin and rifampicin resistance were investigated by polymerase chain reaction and DNA sequencing. RESULTS: All isolates were found to be susceptible to vancomycin. Various rates of resistance to penicillin (83.5%), ampicillin (77.3%), erythromycin (63.9%), tetracycline (16.5%), amoxicillin/clavulanic acid (16.5%), ciprofloxacin (15.5%), trimethoprim/sulfamethoxazole (15.5%), oxacillin (13.4%), fusidic acid (12.4%), rifampin (6.2%), clindamycin (6.2%), gentamicin (6.2%) and mupirocin (5.2%) were determined. In addition, different combinations of resistance genes were identified among resistant isolates. Ciprofloxacin resistant isolates had mutations in codon 84 (Ser84Leu) and 106 (Gly106Asp) in the gyrA gene. Mutations in grlA were mostly related to Ser80Phe substitution. Leu466Ser mutation in the rpoB gene was detected in all rifampin resistant isolates. All methicillin resistant S. aureus isolates were SCCmec type V. CONCLUSIONS: In conclusion, it was determined that the isolates were resistant to different classes of antimicrobials at varying rates and resistance was mediated by different genetic mechanisms. Therefore, continuous monitoring of resistance in S. aureus strains is necessary to control their resistance for clinically important antimicrobials. PMID- 29203103 TI - Association of TNFA (-308G/A), IFNG (+874 A/T) and IL-10 (-819 C/T) polymorphisms with protection and susceptibility to dengue in Brazilian population. AB - OBJECTIVE: To evaluate gene polymorphisms and their association with susceptibility to dengue. METHODS: A retrospective case-control study was performed with 262 subjects, comprising 78 dengue fever (DF) patients, 49 dengue hemorrhagic fever (DHF) patients and 135 healthy controls. Genotypic and allelic profiles were identified using polymerase chain reaction based in real time and amplification-refractory mutation system. RESULTS: We observed a protective association of IL-10 (-819 C/T) C allele (P = 0.028, OR = 0.56, CI = 0.34-0.91) against DHF, while the C/T (P = 0.047, OR = 2.10, CI = 1.01-4.38) and T/T (P = 0.008, OR = 3.82, CI = 1.38-10.59) genotypes were associated with DHF and DF, respectively. The dominant model TNFA -308 GA + AA (P = 0.043, OR = 0.45, CI = 0.20-1.00) genotypes were found to have protective effect against dengue infection. A protective association among the IFNG (+874 A/T) A/T genotype against DF (P = 0.02, OR = 0.46, CI = 0.24-0.89) and DHF (P = 0.034, OR = 0.43, CI = 0.19-0.95) was observed. When the studied single-nucleotide polymorphism was analyzed in combination, the combination GTA (P = 0.022, OR = 2.95, CI = 1.18 7.41) was statistically significantly associated with susceptibility to DF and the combination GCT (P = 0.035, OR = 0.28, CI = 0.08-0.90) with protection against the development of DHF. CONCLUSIONS: This research identifies the association of the IFNG (+874 A/T), TNFA (-308G/A), IL-10 (-819 C/T) genotypes as a factor for protection, susceptibility and severity to dengue. PMID- 29203104 TI - Evaluating the effect of Myrtus communis on programmed cell death in hydatid cyst protoscolices. AB - OBJECTIVE: To evaluate the possible involvement of programmed cell death strategy in hydatid cyst protoscolices following treatment with Myrtus communis (M. communis) as an herbal medicine. METHODS: Protoscolices were aseptically collected from sheep liver hydatid cysts. Evaluating the effect of M. communis extract on programmed cell death and increased activity of caspases 3, 8, and 9 in hydatid cyst protoscolices was conducted by treating the protoscolices with different concentration (5, 50, and 100 mg/mL) of M. communis extract at 37 degrees C and 5% CO2 for 4 h by using the Bradford test and ELISA commercial kits. RESULTS: The extract of M. communis at all concentrations led to initiation of programmed cell death in protoscolices and this effect, was only significant at 50 and 100 mg/mL concentrations, compared to the negative control (P < 0.05). Also, the activity of caspases 3, 8, and 9 in hydatid cyst protoscolices, was shown that the extract at all 3 concentrations could only increase the activity of caspases 3 and 9. Moreover, a significant increase in the activity of caspase 3 was only observed at concentrations 50 and 100 mg/mL by 37.00% and 66.19% while a significant increase in the activity of caspase 9 at the same concentrations was observed by 20.89% and 63.67%, respectively (P < 0.05). CONCLUSIONS: The extract of M. communis at different concentrations could increase the activity of caspases 3 and 9 and caused programmed cell death in hydatid cyst protoscolices however, this effect was significant at high concentrations of the extract. PMID- 29203105 TI - Bartonella infection in asymptomatic horses and donkeys from Tuscany, Central Italy. AB - OBJECTIVE: To investigate the occurrence of Bartonella sp. infection in asymptomatic horses and donkeys living in Tuscany, Central Italy. METHODS: Blood samples were collected from 77 horses and 15 donkeys and tested by indirect immunofluorescent test to detect antibodies against Bartonella sp. and by PCR to detect the pathogen. RESULTS: Fifty-four (58.69%; 95% CI: 47.95%-68.87%) animals, 9 donkeys and 45 horses, were seropositive with antibody titers ranging from 1:64 to 1:512. PCR assays detected 9 horses positive for Bartonella sp. and 3 donkeys for Bartonella henselae genotype I. CONCLUSIONS: The detected sero-prevalence suggests a common and frequent exposure of equids living in Central Italy to bartonellae and PCR results show that Bartonella sp. infection is possible both in horses and donkeys. At the best of our knowledge, this is the first report of Bartonella henselae infection in donkeys. PMID- 29203106 TI - Oral pharmacological treatment for patent ductus arteriosus in premature neonates with hemodynamic repercussions. AB - OBJECTIVE: To evaluate the efficacy of oral indomethacin, ibuprofen, and paracetamol in oral dosage form on patent ductus arteriosus (PDA) in premature neonates with significant clinical and hemodynamic repercussions (CHRs) and to determine the effect of these respective treatments on renal function. METHODS: A retrospective study of cases of PDA in premature neonates in the Neonatal Intensive Care Unit was conducted. The treatments consisted of indomethacin [0.2 mg/(kg.d), 3-day cycle], ibuprofen [10 mg/(kg.d) followed by 5 mg/(kg.d), 3-day cycle], and paracetamol (15 mg/kg every 6 h, 5-day cycle). The drugs were administered as an oral solution. The following variables were considered: gestational age, newborn weight at birth, Apgar score, diuresis, serum creatinine and urea levels, and serum electrolyte levels (sodium and potassium). RESULTS: Treatment with indomethacin presented efficacy of 87.5% in closure of the ductus with a mean outcome period of 3.5 d. In premature neonates with CHRs and contraindications for indomethacin, the initial treatment with either ibuprofen or paracetamol failed to close the ductus. However, when this treatment was followed by indomethacin, closure occurred in 66.7% of the neonates, with an outcome period of 9.66 d. The initial treatment with one cycle of ibuprofen followed by one or two cycles of paracetamol failed to close the ductus. CONCLUSIONS: Oral indomethacin was effective for closure of the PDA in premature neonates with severe CHRs. Oral paracetamol or ibuprofen for PDA closure in premature neonates with severe CHRs and contraindications for indomethacin was ineffective. However, results in clinical improvements of neonates allowed the subsequent use of indomethacin and successful closure of the ductus. A significant reduction of diuresis occurred in neonates who were treated with indomethacin, either as a first-line treatment or after the failure of ibuprofen or paracetamol. PMID- 29203107 TI - Glypican-3-specific cytotoxic T lymphocytes induced by human leucocyte antigen A*0201-restricted peptide effectively kill hepatocellular carcinoma cells in vitro. AB - OBJECTIVE: To investigate potential human leucocyte antigen (HLA)-A2-restricted epitope peptides of glypican-3 (GPC3) and determine the cytotoxicity of peptide specific cytotoxic T lymphocytes (CTLs) against hepatocellular carcinoma (HCC) cells. METHODS: The potential HLA-A*0201-restricted GPC3 peptides were screened using computer algorithms, T2 cell-binding affinity and stability of peptide/HLA A*0201 complex assay. The peptide-specific CTLs were generated and their cytotoxicity against GPC3+ SMMC 7721 and HepG2 cells was detected using IFN-gamma based enzyme-linked immunospot and lactate dehydrogenase release assays in vitro. RESULTS: A total of six peptides were identified for bindings to HAL-A2 and the GPC3 522-530 and GPC3 229-237 peptides with HLA-A*0201 molecules displayed high binding affinity and stability. The CTLs induced by the GPC3 522-530 or positive control GPC3 144-152 peptide responded to the peptide by producing IFN-gamma, which were abrogated by treatment with anti-HLA-A2 antibody. The GPC3 522-530 specific CTLs responded to and killed SMMC 7721 and HepG2 cells, instead of GPC3 silenced SMMC 7721 or HepG2 cells. GPC3 522-530-specific CTLs response to HCC cells was blocked by anti-HLA-A2 antibody. CONCLUSIONS: The GPC3 522-530 peptide contains antigen-determinant and its specific CTLs can effectively kill HCC in a HLA-A2-restricted and peptide-dependent manner. Our findings suggest that this peptide may be valuable for development of therapeutic vaccine. PMID- 29203108 TI - Effect of taurine on immune function in mice with T-cell lymphoma during chemotherapy. AB - OBJECTIVE: To observe the effect of taurine on immune function in mice with T cell lymphoma during chemotherapy. METHODS: A total of 40 C57BL/6 mice were selected and randomly divided into 4 groups, namely model group, chemotherapy group, taurine group and chemotherapy + taurine group, each containing 10 mice. Hypodermic injection was adopted to inoculate EL-4 cells in order to establish model of T-cell lymphoma. When the tumor achieved the size of 1 cm3, intervention treatments were given to the groups respectively. Mice in model group received 0.2 mL of normal saline which was intraperitoneally injected on Days 1, 8 and 15 with 3 weeks as a cycle; mice in chemotherapy group were administered with 80 mg/kg body weight of gemcitabine which was also intraperitoneally injected on Days 1, 8 and 15 with 3 weeks as a cycle; mice in taurine group were administered with 80 mg/kg body weight of taurine intraperitoneally injected daily for consecutive 8 d; mice in chemotherapy + taurine group were treated in the same manner as the mice in taurine group and chemotherapy group. Five mice were sacrificed at 2 and 3 weeks after intervention respectively, and the tumor tissues were collected and weighted after removal of auxiliary tissue, then the tumor inhibition rate was calculated. The thymus and spleen of mice sacrificed at 3 weeks after intervention were collected and weighted, and thymus and spleen indexes were calculated. Enzyme linked immunosorbent assay was used to detect the serum levels of IL-4, IL-10, IL-12 and IFN-gamma in mice of each group. RESULTS: The tumor weights in chemotherapy group, taurine group and chemotherapy + taurine group after 2 and 3 weeks of treatment were significantly lower than that in model group (P < 0.05); the tumor weight in chemotherapy + taurine group after 2 and 3 weeks of treatment was significantly lower than that in chemotherapy group (P < 0.05); the tumor inhibition rate in chemotherapy + taurine group was significantly higher than that in chemotherapy group and taurine group (P < 0.05); the thymus and spleen indexes in taurine group and chemotherapy + taurine group were significantly higher than those in chemotherapy group and model group (P < 0.05); the thymus and spleen indexes in chemotherapy group were significantly lower than those in model group (P < 0.05); after 3 weeks of treatment, the serum levels of IL-4, IL-12 and IFN-gamma in chemotherapy group, taurine group and chemotherapy + taurine group were significantly lower than those in model group (P < 0.05); the IL-4 level in taurine group and chemotherapy + taurine group was significantly lower than that in chemotherapy group (P < 0.05); the serum level of IL-10 in chemotherapy group and chemotherapy + taurine group was significantly higher than that in model group and taurine group (P < 0.05); the serum level of IFN-gamma in taurine group and chemotherapy + taurine group was significantly lower than that in model group and chemotherapy group (P < 0.05); after treatment of 3 weeks, the serum levels of IL-4 and IL-10 in chemotherapy group, taurine group and chemotherapy + taurine group were significantly lower than those in model group (P < 0.05), and IL-12 level was significantly higher than that in model group (P < 0.05); the level of IFN-gamma in taurine group and chemotherapy + taurine group was significantly higher than that in model group (P < 0.05), while the level of IFN-gamma in chemotherapy group was significantly lower than that in the other 3 groups (P < 0.05). CONCLUSIONS: Taurine can effectively enhance the immune function of mice with T cell lymphoma during chemotherapy, reduce the toxicity of chemotherapy. PMID- 29203109 TI - Influence of light intensity and water content of medium on total dendrobine of Dendrobium nobile Lindl. AB - OBJECTIVE: To ascertain the influence of light intensity and water content of medium on the total dendrobine of Dendrobium nobile (D. nobile). METHOD: The principal component analysis combined with total dendrobine accumulation was conducted to assess the yield and quality of D. nobile in all treatments. In the experiment, D. nobile plants were cultivated in greenhouse as tested materials, and complete test of 9 treatments was adopted with relative light intensities 75.02%, 39.74%, 29.93% and relative water content of medium 50%, 65%, 80%. The plants were treated in June and harvested till December. Indexes including agronomic traits, fresh weight and dry weight of stem and leaf, ash content, extract, and dendrobine were measured. RESULTS: Under the light intensity treatments of 75.02% with 50%, 65%, 80% water content of medium, the basal stems of plants were comparatively thicker with more leaves, and the fresh weight and dry weight of stems and leaves were significantly higher than other 6 treatments. Leaves in all treatments contained dendrobine. Under the light intensity treatments of 75.02% with 50%, 65%, 80% water content of medium, dendrobine content of leaves was lower while dendrobine contents of other treatments were more than 0.60%. After comprehensive assessment through the principal component analysis and total dendrobine accumulation, the results showed that 3 treatments with relative light intensity of 75.02% ranked the top three. CONCLUSIONS: In brief, the moderately strong light intensity and water content of medium from low to medium can facilitate the growth and yield of D. nobile plants, while light intensity from moderately weak to weak can enhance the dendrobine content. PMID- 29203110 TI - An atypical case of disseminated cutaneous leishmaniasis due to Leishmania peruviana in the valleys of Ancash-Peru. AB - We present an atypical case of disseminated cutaneous leishmaniasis in the Sihuas district, located in the Andean valleys of Ancash-Peru. A 62-year-old man with no particular medical history presented multiple lesions located on the inferior abdomen, lumbar region and the right anterior thigh. Histological analysis found leishmanial amastigotes in the lesion sample, the Montenegro reaction was positive for Leishmania spp, and the polymerase chain reaction was positive for Leishmania peruviana. In conclusion, the atypical presentation of this disease may be related to the presence of an uncommon parasite strain or host immune deficiencies. The molecular identification of the etiology for disseminated leishmaniasis, will allow a better understanding of the presentation and proper treatment, as well as associated risk factors. PMID- 29203111 TI - Staphylococcal (phospho)lipases promote biofilm formation and host cell invasion. AB - Most Staphylococcus aureus strains secrete two lipases SAL1 and SAL2 encoded by gehA and gehB. These two lipases differ with respect to their substrate specificity. Staphylococcus hyicus secretes another lipase, SHL, which is in contrast to S. aureus lipases Ca2+-dependent and has a broad-spectrum lipase and phospholipase activity. The aim of this study was to investigate the role of staphylococcal (phospho) lipases in virulence. For this we constructed a gehA gehB double deletion mutant in S. aureus USA300 and expressed SHL in agr-positive (accessory gene regulator) and agr-negative S. aureus strains. The lipases themselves have no hemolytic or cytotoxic activity. However, in agr-negative strains SHL-expression caused an upregulation of hemolytic activity. We further show that SHL-expression significantly enhanced biofilm formation probably due to an increase of extracellular DNA release. SHL-expression also increased host cell invasion 4-6-fold. Trioleate, a main triacylglycerol component of mammalian skin, induced lipase production. Finally, in the mouse sepsis and skin colonization models the lipase producing and mutant strain showed no significant difference compared to the WT strain. In conclusion, we show that staphylococcal lipases promote biofilm formation and host cell invasion and thereby contribute to S. aureus virulence. PMID- 29203112 TI - Suitability of 1-hexyl-3-methylimidazolium ionic liquids for the analysis of pharmaceutical formulations containing tricyclic antidepressants. AB - The reversed-phase chromatographic behaviour of six tricyclic antidepressants (amitryptiline, clomipramine, doxepin, imipramine, nortryptiline and maprotiline) was examined in this work with acetonitrile-water mobile phases, in the absence and presence of the ionic liquids 1-hexyl-3-methylimidazolium chloride and 1 hexyl-3-methylimidazolium tetrafluoroborate, which have interesting features for the separation of basic compounds, in terms of peak shape combined with reduced retention. Tricyclic antidepressants are low polarity drugs that strongly associate to the alkyl chains of conventional stationary phases. They are also positively charged in the usual working pH range (2-8) in reversed-phase liquid chromatography, due to their strong basic character. In consequence, they may interact with the residual ionised silanols present in conventional silica-based stationary phases, which is translated in stronger retention, and tailed and broad peaks. A simple chromatographic procedure for the control of tricyclic antidepressants in pharmaceutical formulations was developed using a C8 column and a mobile phase containing 30% acetonitrile/10 mM 1-hexyl-3-methylimidazolium chloride at pH 3, with UV detection. Intra- and inter-day precisions were usually below +1.0%, and intra- and inter-day bias (trueness) ranged between -2.1% and +2.4%, and between -3.0% and +2.3%, respectively. Sample preparation was simple and only required solubilisation and filtration previous to injection. PMID- 29203113 TI - Improved separation by at-column dilution in preparative hydrophilic interaction chromatography. AB - We evaluated at-column dilution (ACD) as a possible approach to reduce peak distortion caused by the injection of strong solvents in preparative hydrophilic interaction chromatography (HILIC). Three model compounds, namely uridine, cytidine and guanosine were selected and injected either in conventional or ACD conditions, using various proportions of water and acetonitrile in the sample diluent. Plate number and peak capacity were systematically investigated under both isocratic and gradient elution conditions, respectively. In isocratic conditions, ACD was found to provide higher plate numbers with sample diluent containing more than 40% water, but lower plate numbers with injections of less than 40% water, in comparison to a conventional injection system at the preparative scale. These contrasting results were attributed to the fact that i) efficiency was fundamentally reduced in ACD, due to the low make-up flow rate that was used to flush the injection loop, but ii) the trend was reversed for highly aqueous injection thanks to the capacity of ACD to maintain similar efficiency regardless of the injection solvent. On the other hand, peak capacity was comparable between ACD and conventional systems in gradient elution for injections containing low amounts of water. However, ACD became increasingly advantageous as the proportion of water in the injection solvent and/or the injection volume increased. This was confirmed by the separation of a plant root aqueous extract. Altogether, our findings suggest that ACD is beneficial both in isocratic and gradient modes when strongly aqueous solutions are injected, offering an attractive approach to increase loadability, while preserving peak shapes in preparative HILIC. PMID- 29203114 TI - A simultaneous screening and quantitative method for the multiresidue analysis of pesticides in spices using ultra-high performance liquid chromatography-high resolution (Orbitrap) mass spectrometry. AB - A novel screening and quantitation method is reported for non-target multiresidue analysis of pesticides using ultra-HPLC-quadrupole-Orbitrap mass spectrometry in spice matrices, including black pepper, cardamom, chili, coriander, cumin, and turmeric. The method involved sequential full-scan (resolution = 70,000), and variable data independent acquisition (vDIA) with nine consecutive fragmentation events (resolution = 17,500). Samples were extracted by the QuEChERS method. The introduction of an SPE-based clean-up step through hydrophilic-lipophilic-balance (HLB) cartridges proved advantageous in minimizing the false negatives. For coriander, cumin, chili, and cardamom, the screening detection limit was largely at 2 ng/g, while it was 5 ng/g for black pepper, and turmeric. When the method was quantitatively validated for 199 pesticides, the limit of quantification (LOQ) was mostly at 10 ng/g (excluding black pepper, and turmeric with LOQ = 20 ng/g) with recoveries within 70-120%, and precision-RSDs <20%. Furthermore, the method allowed the identification of suspected non-target analytes through retrospective search of the accurate mass of the compound-specific precursor and product ions. Compared to LC-MS/MS, the quantitative performance of this Orbitrap MS method had agreements in residue values between 78-100%. PMID- 29203115 TI - In situ preparation of multilayer coated capillary column with HKUST-1 for separation of neutral small organic molecules by open tubular capillary electrochromatography. AB - The popularity of novel nanoparticles coated capillary column has aroused widespread attention of researchers. Metal organic frameworks (MOFs) with special structure and chemical properties have received great interest in separation sciences. This work presents the investigation of HKUST-1 (Hong Kong University of Science and Technology-1, called Cu3(BTC)2 or MOF-199) nanoparticles as a new type of coating material for capillary electrochromatography. For the first time, three layers coating (3-LC), five layers coating (5-LC), ten layers coating (10 LC), fifteen layers coating (15-LC), twenty layers coating(20-LC) and twenty-five layers coating (25-LC) capillary columns coated with HKUST-1 nanoparticles were synthesized by covalent bond with in situ, layer-by-layer self-assembly approach. The results of scanning electron microscopy (SEM), X-ray diffraction (XRD) and plasma atomic emission spectrometry (ICP-AES) indicated that HKUST-1 was successfully grafted on the inner wall of the capillary. The separating performances of 3-LC, 5-LC, 10-LC, 15-LC, 20-LC and 25-LC open tubular (OT) capillary columns were studied with some neutral small organic molecules. The results indicated that the neutral small organic molecules were separated successfully with 10-LC, 15-LC and 20-LC OT capillary columns because of the size selectivity of lattice aperture and hydrophobicity of organic ligands. In addition, 10-LC and 15-LC OT capillary columns showed better performance for the separation of certain phenolic compounds. Furthermore, 10-LC, 15-LC and 20-LC OT capillary columns exhibited good intra-day repeatability with the relative standard deviations (RSDs; %) of migration time and peak areas lying in the range of 0.3-1.2% and 0.5-4.2%, respectively. For inter-day reproducibility, the RSDs of the three OT capillary columns were found to be lying in the range of 0.3-5.5% and 0.3-4.5% for migration time and peak area, respectively. The RSDs of retention times for column-to-column for three batches of 10-LC, 15-LC and 20-LC OT capillary columns were in the range from 2.3% to 7.2%. Moreover, the fabricated 10-LC, 15-LC and 20-LC OT capillary columns exhibited good repeatability and stability for separation, which could be used successively for more than 120 runs with no observable changes on the separation efficiency. PMID- 29203116 TI - Diagnosis and management of metastatic neoplasms with unknown primary. AB - In cancer of unknown primary (CUP), metastases are clinically and histologically confirmed, but the primary tumor site remains elusive after extensive work-up. CUPs make up for 2-3% of all epithelial malignancies. The two prevailing histologies are adenocarcinomas and undifferentiated carcinomas, whereas squamous cell carcinomas, neuroendocrine carcinomas and rare histologies account for the remaining 10%. The diagnostic work-up in CUP relies strongly on a detailed immunohistological (IHC) analysis in order to characterize the tumor type, nowadays aided by molecular techniques. Diagnostics also include a thorough clinical examination, a basic lab draw with the most relevant tumor markers, and cross sectional imaging. Additional PET-CT is recommended in cervical lymph nodes suggestive of head and neck cancer and in limited metastases potentially treatable in curative intent. As for treatment, it is paramount to identify patients who fall into one of the six well defined "favorable" subset categories, namely extragonadal germ cell tumors, adenocarcinoma with isolated unilateral axillary lymph nodes in female patients, squamous cell carcinoma with neck lymph nodes, squamous cell carcinoma with inguinal lymph nodes, serous papillary peritoneal carcinomatosis in females and blastic bone metastasis in males with elevated PSA. These subsets are distinct both regarding the required treatment and the comparably favorable prognosis. Within the remaining "unfavorable" group, patients of colon and renal cancer type should be identified based on IHC and clinical picture, since the prognosis of these patients seems to improve with the use of therapy tailored to the presumed primary as well. For the few patients with limited metastases it should be assessed whether they are candidates for surgery, radiotherapy or surgery followed by irradiation in curative intent. The remaining majority of patients are treated with empiric palliative chemotherapy, typically a platinum - paclitaxel combination, though the level of evidence for this therapy recommendation is low. Gemcitabine alone or in combination can be used as an alternative. Decoding of the molecular profiles in CUP offers the prospect of targeted therapy with novel agents. However, there appears to be no uniform molecular pattern for CUP, and the observed molecular diversity thus poses a challenge to respective clinical trials. PMID- 29203117 TI - The Principles and Techniques of Benefit-Finding for Dementia Caregivers: Reply to Gersdorf. PMID- 29203118 TI - Emerging Trends in Undergraduate Medical Education: Implications for Geriatric Psychiatry. PMID- 29203119 TI - How the detector resolution affects the clinical significance of SBRT pre treatment quality assurance results. AB - PURPOSE: Aim of this work was to study how the detector resolution can affect the clinical significance of SBRT pre-treatment volumetric modulated arc therapy (VMAT) verification results. METHODS: Three detectors (PTW OCTAVIUS 4D 729, 1500 and 100 SRS) used in five configurations with different resolution were compared: 729, 729 merged, 1500, 1500 merged and 1000 SRS. Absolute local gamma passing rates of 3D pre-treatment quality assurance (QA) were evaluated for 150 dose distributions in 30 plans. Five different kinds of error were introduced in order to establish the detection sensitivity of the three devices. Percentage dosimetric differences were evaluated between planned dosevolume histogram (DVH) and patients' predicted DVH calculated by PTW DVH 4D(r) software. RESULTS: The mean gamma passing rates and the standard deviations were 92.4% +/- 3.7%, 94.6% +/- 1.8%, 95.3% +/- 4.2%, 97.4% +/- 2.5% and 97.6% +/- 1.4 respectively for 729, 729 merged, 1500, 1500 merged and 1000 SRS with 2% local dose/2mm criterion. The same trend was found on the sensitivity analysis: using a tight gamma analysis criterion (2%L/1mm) only the 1000 SRS detected every kind of error, while 729 and 1500 merged detected three and four kinds of error respectively. Regarding dose metrics extracted from DVH curves, D50% was within the tolerance level in more than 90% of cases only for the 1000 SRS. CONCLUSIONS: The detector resolution can significantly affect the clinical significance of SBRT pre-treatment verification results. The choice of a detector with resolution suitable to the investigated field size is of main importance to avoid getting false positive. PMID- 29203120 TI - Migfilin promotes migration and invasion in glioma by driving EGFR and MMP-2 signalings: A positive feedback loop regulation. AB - Glioma is the most common type of primary brain tumors in the central nervous system (CNS). Migfilin occurs in human glioma and enhances cellular motility via the epidermal growth factor receptor (EGFR) pathway. However, the underlying molecular mechanism is not fully understood. In this study, we found that Migfilin promoted matrix metalloproteinase-2 (MMP-2) activity, and restrained the expression of tissue inhibitor of metalloproteinase 2 (TIMP2), which is an MMP-2 inhibitor. Functional and structural studies showed that the LIM1 domain of Migfilin was required for Migfilin-mediated TIMP2 expression inhibition and MMP-2 activity, and was also necessary in promoting cell motility. Furthermore, Migfilin-induced EGFR phosphorylation was greatly reduced by MMP-2 inhibitor (GM6001) or siRNA, while Migfilin-induced MMP-2 activation was also blocked by the EGFR inhibitor (AG1478) or siRNA. MMP-2 and EGFR inhibitors and their siRNAs can block Migfilin-induced migration and invasion, respectively. These results demonstrated that EGFR and MMP-2 signalings may form a positive feedback loop to enhance Migfilin-induced migration and invasion. Finally, we detected that the expression of Migfilin, EGFR phosphorylation (Tyr1173) and MMP-2 activity had a positive correlation in the clinical glioma sample. Taken together, these results suggest that Migfilin is a critical regulator in cellular motility by driving the EGFR-MMP-2 feedback loop, and may be considered as a potential therapeutic target in glioma. PMID- 29203122 TI - Inducing chondrogenesis in MSC/chondrocyte co-cultures using exogenous TGF-beta: a mathematical model. AB - The differentiation of mesenchymal stem cells (MSCs) into chondrocytes (native cartilage cells), or chondrogenesis, is a key step in the tissue engineering of articular cartilage, where the motility and high proliferation rate of MSCs used as seed cells are exploited. Chondrogenesis is regulated by transforming growth factor-beta (TGF-beta), a short-lived cytokine whose effect is prolonged by storage in the extracellular matrix. Tissue engineering applications require the complete differentiation of an initial population of MSCs, and two common strategies used to achieve this in vitro are (1) co-culture the MSCs with chondrocytes, which constitutively produce TGF-beta; or (2) add exogenous TGF beta. To investigate these strategies we develop an ordinary differential equation model of the interactions between TGF-beta, MSCs and chondrocyte. Here the dynamics of TGF-beta are much faster than those of the cell processes; this difference in time-scales is exploited to simplify subsequent model analysis. Using our model we demonstrate that under strategy 1 complete chondrogenesis will be induced if the initial proportion of chondrocytes exceeds a critical value. Similarly, under strategy 2 we find that there is a critical concentration of exogenous TGF-beta above which all MSCs will ultimately differentiate. Finally, we use the model to demonstrate the potential advantages of adopting a hybrid strategy where exogenous TGF-beta is added to a co-culture of MSCs and chondrocytes, as compared to using either strategy 1 or 2 in isolation. PMID- 29203123 TI - Unifying relationships between complexity and stability in mutualistic ecological communities. AB - Conserving ecosystem function and associated services requires deep understanding of the underlying basis of system stability. While the study of ecological dynamics is a mature and diverse field, the lack of a general model that predicts a broad range of theoretical and empirical observations has allowed unresolved contradictions to persist. Here we provide a general model of mutualistic ecological interactions between two groups and show for the first time how the conditions for bi-stability, the nature of critical transitions, and identifiable leading indicators in time-series can be derived from the basic parameters describing the underlying ecological interactions. Strong mutualism and nonlinearity in handling-time are found to be necessary conditions for the occurrence of critical transitions. We use the model to resolve open questions concerning the effects of heterogeneity in inter-species interactions on both resilience and abundance, and discuss these in terms of potential trade-offs in real systems. This framework provides a basis for rich investigations of ecological system dynamics, and may be generalizable across many ecological contexts. PMID- 29203121 TI - Using a memory systems lens to view the effects of estrogens on cognition: Implications for human health. AB - Understanding the organizing and activating effects of gonadal steroids on adult physiology can guide insight into sex differences in and hormonal influences on health and disease, ranging from diabetes and other metabolic disorders, emotion and stress regulation, substance abuse, pain perception, immune function and inflammation, to cognitive function and dysfunction accompanying neurological disorders. Because the brain is highly sensitive to many forms of estrogens, it is not surprising that many adult behaviors, including cognitive function, are modulated by estrogens. Estrogens are known for their facilitating effects on learning and memory, but it is becoming increasingly clear that they also can impair learning and memory of some classes of tasks and may do so through direct actions on specific neural systems. This review takes a multiple memory systems approach to understanding how estrogens can at the same time enhance hippocampus sensitive place learning and impair striatum-sensitive response learning by exploring the role estrogen receptor signaling may play in the opposing cognitive effects of estrogens. Accumulating evidence suggests that neither receptor subtype nor the timing of treatment, i.e. rapid vs slow, explain the bidirectional effects of estrogens on different types of learning. New findings pointing to neural metabolism and the provision of energy substrates by astrocytes as a candidate mechanism for cognitive enhancement and impairment are discussed. PMID- 29203124 TI - Activation of the HGF/c-Met axis in the tumor microenvironment: A multispecies model. AB - The tumor microenvironment is an integral component in promoting tumor development. Cancer-associated fibroblasts (CAFs), which reside in the tumor stroma, produce Hepatocyte Growth Factor (HGF), an important trigger for invasive and metastatic tumor behavior. HGF contributes to a pro-tumorigenic environment by activating its cognate receptor, c-Met, on tumor cells. Tumor cells, in turn, secrete growth factors that upregulate HGF production in CAFs, thereby establishing a dynamic tumor-host signaling program. Using a spatiotemporal multispecies model of tumor growth, we investigate how the development and spread of a tumor is impacted by the initiation of a dynamic interaction between tumor derived growth factors and CAF-derived HGF. We show that establishment of such an interaction results in increased tumor growth and morphological instability, the latter due in part to increased cell species heterogeneity at the tumor-host boundary. Invasive behavior is further increased if the tumor lowers responsiveness to paracrine pro-differentiation signals, which is a hallmark of neoplastic development. By modeling anti-HGF and anti-c-Met therapy, we show how disruption of the HGF/c-Met axis can reduce tumor invasiveness and growth, thereby providing theoretical evidence that targeting tumor-microenvironment interactions is a promising avenue for therapeutic development. PMID- 29203125 TI - Vascular Access Outcomes Reported in Maintenance Hemodialysis Trials: A Systematic Review. AB - BACKGROUND: Many randomized controlled trials have been performed with the goal of improving outcomes related to hemodialysis vascular access. If the reported outcomes are relevant and measured consistently to allow comparison of interventions across trials, such trials can inform decision making. This study aimed to assess the scope and consistency of vascular access outcomes reported in contemporary hemodialysis trials. STUDY DESIGN: Systematic review. SETTING & POPULATION: Adults requiring maintenance hemodialysis. SELECTION CRITERIA: All randomized controlled trials and trial protocols reporting vascular access outcomes identified from ClinicalTrials.gov, Embase, MEDLINE, and the Cochrane Kidney and Transplant Specialized Register from January 2011 to June 2016. INTERVENTIONS: Any hemodialysis-related intervention. OUTCOMES: The frequency and characteristics of vascular access outcome measures were analyzed and classified. RESULTS: From 168 relevant trials, 1,426 access-related outcome measures were extracted and classified into 23 different outcomes. The 3 most common outcomes were function (136 [81%] trials), infection (63 [38%]), and maturation (31 [18%]). Function was measured in 489 different ways, but most frequently reported as "mean access blood flow (mL/min)" (37 [27%] trials) and "number of thromboses" (30 [22%]). Infection was assessed in 136 different ways, with "number of access related infections" being the most common measure. Maturation was assessed in 44 different ways at 15 different time points and most commonly characterized by vein diameter and blood flow. Patient-reported outcomes, including pain (19 [11%]) and quality of life (5 [3%]), were reported infrequently. Only a minority of trials used previously standardized outcome definitions. LIMITATIONS: Restricted sampling frame for feasibility and focus on contemporary trials. CONCLUSIONS: The reporting of access outcomes in hemodialysis trials is very heterogeneous, with limited patient-reported outcomes and infrequent use of standardized outcome measures. Efforts to standardize outcome reporting for vascular access are critical to optimizing the comparability, reliability, and value of trial evidence to improve outcomes for patients requiring hemodialysis. PMID- 29203126 TI - ADPKD Progression in Patients With No Apparent Family History and No Mutation Detected by Sanger Sequencing. PMID- 29203127 TI - "Green Smoothie Cleanse" Causing Acute Oxalate Nephropathy. AB - Oxalate nephropathy is an uncommon condition that causes acute kidney injury with the potential for progression to end-stage renal disease. Diagnosis is based on the kidney biopsy findings of abundant polarizable calcium oxalate crystals in the epithelium and lumen of renal tubules. We report a case of acute oxalate nephropathy in a 65-year-old woman, temporally associated with the consumption of an oxalate-rich green smoothie juice "cleanse" prepared from juicing oxalate-rich green leafy vegetables and fruits. Predisposing factors included a remote history of gastric bypass and recent prolonged antibiotic therapy. She had normal kidney function before using the cleanse and developed acute kidney injury that progressed to end-stage renal disease. Consumption of such juice cleanses increases oxalate absorption, causing hyperoxaluria and acute oxalate nephropathy in patients with predisposing risk factors. Given the increasing popularity of juice cleanses, it is important that both patients and physicians have greater awareness of the potential for acute oxalate nephropathy in susceptible individuals with risk factors such as chronic kidney disease, gastric bypass, and antibiotic use. PMID- 29203128 TI - Arsenic Exposure in Incident Hemodialysis Patients. PMID- 29203129 TI - Corticosteroids in IgA Nephropathy. PMID- 29203130 TI - A pilot study of subthalamic theta frequency deep brain stimulation for cognitive dysfunction in Parkinson's disease. PMID- 29203131 TI - Electroconvulsive therapy and subsequent epilepsy in patients with affective disorders: A register-based Danish cohort study. AB - OBJECTIVE: It has been suggested that Electroconvulsive Therapy (ECT) might increase the risk of epilepsy but the few patient studies with retrospective data from medical records do not support the hypothesis. The aim of this study was to examine the relationship between ECT and subsequent incident epilepsy in patients with affective disorder. We also explored whether any association varied with number of ECTs and time since last treatment. METHODS: All 169,457 patients with first hospital contact for an affective disorder between January 2005 and December 2015 were identified in the Danish National Patient Registry and followed for incident epilepsy from January 2005 until November 2016. The association between ECT and epilepsy was examined using Cox proportional hazard regression with adjustment for gender, age, educational level, comorbid schizophrenia, previous stroke and antidepressant and antipsychotic medication use. RESULTS: A total of 5875 patients had at least one ECT and 1873 patients developed epilepsy (Incidence rate: 213 pr. 100,000 person years) during the follow-up of mean 5 years. In patients below age 40 years, ECT was associated with a higher rate of epilepsy after adjustment for covariables (Hazard Ratio (HR) = 1.84; 95% Confidence Intervals (CI) = [1.24-2.74]). In patients aged 41-60 years ECT was not associated with epilepsy, while for those above 60 treated with ECT the rate was lower (HR = 0.57; (95% CI = [0.37-0.89]). CONCLUSION: In patients with affective disorders, we found a weak positive association between ECT and subsequent diagnosis of epilepsy in those younger than 40 years, and a weak negative association in patients older than 60 years. The associations might be subject to residual confounding from risk factors related to ECT. PMID- 29203132 TI - Deaths in France: Characteristics, place of death, hospitalisations and use of palliative care during the year before death. AB - AIM: Only limited data are available concerning the diseases managed and the hospital pathway before death. The aim of this study was to describe diseases, hospitalisations, and use of palliative care one year before death as well as place of death in France. METHODS: French health insurance general scheme beneficiaries who died in 2013 were identified in the National Health Insurance Information System (SNIIRAM) with a selection of information concerning their various hospital stays, including hospital palliative care (HPC) and nursing home care. Diseases were identified by algorithms from reimbursement data recorded in the SNIIRAM database. RESULTS: A total of 347 253 people were included (61% of all deaths in France). The mean age of death was 77 years (SD 15.1). Diseases managed before death were cardiovascular/neurovascular diseases (56%), cancers (42%), neurological and degenerative diseases (25%), diabetes (21%) and chronic respiratory diseases (20%). Deaths occurred in hospital in 60% of cases: 51% in acute wards, 6% in rehabilitation units, 3% in hospital at home (HaH), and 13% in nursing homes. During the year preceding death, 84% of people were hospitalised at least once and 29% received HPC. People receiving HPC more often died in hospital than people not receiving HPC (69% vs. 44%). CONCLUSION: Health administrative data from the SNIIRAM database can refine our knowledge of the care pathway prior to death and of the use of hospital palliative care and can be useful to evaluate the new governmental palliative care plan recently deployed in France. PMID- 29203134 TI - Proteomic profiling of large myofibrillar proteins from dried and long-term stored polyacrylamide gels. AB - A method for the utilization of dried polyacrylamide gels from the pre-proteomic era is described in order to enable the mass spectrometric analysis of long-term stored protein preparations. The in-gel digestion of high-molecular-mass proteins embedded in a 20-year old gel was carried out following gel re-swelling and resulted in the proteomic identification of a large number of proteins, including 3400 kDa titin, 800 kDa nebulin and myosin heavy chains of 220 kDa from rabbit skeletal muscle. These findings demonstrate that dried protein gels from past biochemical analyses can be successfully reused and analyzed by modern and refined mass spectrometric techniques. PMID- 29203133 TI - [Primary care: A definition of the field to develop research]. AB - BACKGROUND: Research in the field of primary care has dramatically increased in France in recent years, especially since 2013 with the introduction of primary care as a thematic priority for research proposals launched by the Ministry of Health (Direction generale de l'offre de soins). MATERIAL AND METHODS: The RECaP (Research in Clinical Epidemiology and Public Health) network is a French research network supported by Inserm, which recently implemented a specific working group focusing on research in primary care, based on a multidisciplinary approach. Researchers from different specialties participate in this group. The first aim of the group was to reach a common definition of the perimeter and of the panel of healthcare professionals and structures potentially involved in the field of primary care. For this purpose, a selection of different data sets of sources defining primary care was analyzed by the group, each participant collecting a set of sources, from which a synthesis was made and discussed. RESULTS: A definition of primary care at different levels (international, European and French) was summarized. A special attention was given to the French context in order to adapt the perimeter to the characteristics of the French healthcare system, notably by illustrating the different key elements of the definition with the inclusion of primary care actors and the type of practice premises. CONCLUSION: In conclusion, this work illustrates the diversity of primary care in France and the potential offered for research purposes. PMID- 29203135 TI - Exploring three different expression systems for recombinant expression of globins: Escherichia coli, Pichia pastoris and Spodoptera frugiperda. AB - Globins are among the best investigated proteins in biological and medical sciences and represent a prime tool for the study of the evolution of genes and the structure-function relationship of proteins. Here, we explore the recombinant expression of globins in three different expression systems: Escherichia coli, Pichia pastoris and the baculovirus infected Spodoptera frugiperda. We expressed two different human globin types in these three expression systems: I) the well characterized neuroglobin and II) the uncharacterized, circular permutated globin domain of the large chimeric globin androglobin. It is clear from the literature that E.coli is the most used expression system for expression and purification of recombinant globins. However, the major disadvantage of E. coli is the formation of insoluble aggregates. We experienced that, for more complex multi-domain globins, like the chimeric globin androglobin, it is recommended to switch to a higher eukaryotic expression system. PMID- 29203136 TI - Microplate chemiluminescent assay for HBV DNA detection using 3-(10' phenothiazinyl)propionic acid/N-morpholinopyridine pair as enhancer of HRP catalyzed chemiluminescence. AB - A sensitive sandwich assay for hepatitis B virus (HBV) DNA detection based on use of commercial CL-ELISA microplates was developed. To reveal the target the covalent conjugate of reporter oligonucleotide and horseradish peroxidase (HRP) was synthesized. An employment of enhanced chemiluminescence reaction, where 3 (10'-phenothiazinyl)propionic acid/N-morpholinopyridine pair was used as enhancer of HRP-catalyzed chemiluminescence, permitted to measure the enzyme activity of the conjugate with high sensitivity. Under the favorable conditions the limit of detection and a linear range of the assay were 3 pM and 0.07-2.0 nM, respectively. The coefficient of variation (CV) for determination of HBV DNA concentrations within the working range was lower than 4%. The obtained results demonstrated that the developed assay had high sensitivity and precision. PMID- 29203137 TI - Mucoadhesive chitosan-coated solid lipid nanoparticles for better management of tuberculosis. AB - Taking into consideration the potential mucoadhesion properties of systems in lung delivery, this paper describes the preparation and characterization of chitosan-coated solid lipid nanoparticles (C-SLNs) loaded with rifampicin (RIF) as anti-tuberculosis (anti-TB) drug. The process of development and characterization of the NPs in terms of size, surface charge, encapsulation efficiency (EE), morphology, in vitro drug release, differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR), in vitro assessment of mucoadhesive property, cell viability and permeability studies are documented. Results showed that the SLNs had a smooth spherical shape with a size of ca. 245-344 nm and with a zeta potential around -30 mV for SLNs and +40 mV for C-SLNs. The surface charge variation from negative to positive charge and FTIR analysis demonstrated the successful process of coating the nanoparticles (NPs) surface with chitosan. The DSC thermograms were in agreement with the nanostructure of the SLNs. The EE of drug was found to be higher than 90% and the loading capacity (LC) around 4.5%. C-SLNs show higher in vitro muchoadesive properties and a higher permeability in alveolar epithelial cells A549 than uncoated SLNs, indicating that the developed C-SLNs can be used as a promising carrier for sasfer and efficient management of TB. PMID- 29203138 TI - Systemic Israeli acute paralysis virus (IAPV) infection in bumblebees (Bombus terrestris) through feeding and injection. AB - Israeli acute paralysis virus (IAPV) can cause a systemic infection, resulting in mortality in both Apis and Bombus spp. bees. However, little is known about the virus infection dynamics within bee tissues. Here, we established systemic IAPV infections in reared bumblebee Bombus terrestris workers through feeding and injection and investigated the mortality, tissue tropism and viral localization. Injection of approximately 500 IAPV (IAPVinj stock) particles resulted in acute infection, viral loads within tissues that were relatively stable from bee to bee, and a distinctive tissue tropism, making this method suitable for studying systemic IAPV infection in bumblebees. Feeding with approximately 1 * 106 particles of the same virus stock did not result in systemic infection. A high concentration stock of IAPV (IAPVfed stock) allowed us to feed bumblebees with approximately 1 * 109 viral particles, which induced both chronic and acute infection. We also observed a higher variability in viral titers within tissues and less clear tissue tropism during systemic infection, making feeding with IAPVfed stock less optimal for studying IAPV systemic infection. Strikingly, both infection methods and stocks with different viral loads gave a similar viral localization pattern in the brain and midgut of bumblebees with an acute infection. The implications of these findings in the study of the local immunity in bees and barriers to oral transmission are discussed. Our data provide useful information on the establishment of a systemic viral infection in bees. PMID- 29203139 TI - Structural Mapping of Adenosine Receptor Mutations: Ligand Binding and Signaling Mechanisms. AB - The four adenosine receptors (ARs), A1, A2A, A2B, and A3, constitute a subfamily of G protein-coupled receptors (GPCRs) with exceptional foundations for structure based ligand design. The vast amount of mutagenesis data, accumulated in the literature since the 1990s, has been recently supplemented with structural information, currently consisting of several inactive and active structures of the A2A and inactive conformations of the A1 ARs. We provide the first integrated view of the pharmacological, biochemical, and structural data available for this receptor family, by mapping onto the relevant crystal structures all site directed mutagenesis data, curated and deposited at the GPCR database (available through http://www.gpcrdb.org). This analysis provides novel insights into ligand binding, allosteric modulation, and signaling of the AR family. PMID- 29203140 TI - Coordination or Coincidence? The Relationship between Prolactin and Gonadotropin Secretion. AB - A recent paper demonstrates that kisspeptin can stimulate the secretion of both prolactin and luteinizing hormone (LH). This provides novel insight into mechanisms that could account for previous observations of concordant patterns of secretion of the two hormones, such as pulsatile secretion with simultaneous pulses, as well as the preovulatory surges of both prolactin and LH. PMID- 29203141 TI - Interacting Cancer Machineries: Cell Signaling, Lipid Metabolism, and Epigenetics. AB - Cancer-specific perturbations of signaling, metabolism, and epigenetics can be a cause and/or consequence of malignant transformation. Evidence indicates that these regulatory systems interact with each other to form highly flexible and robust cybernetic networks that promote malignant growth and confer treatment resistance. Deciphering these plexuses using holistic approaches known from systems biology can be instructive for the future design of novel anticancer strategies. In this review, I discuss novel findings elucidating the multiple molecular interdependence among cancer-specific signaling, cell metabolism, and epigenetics to provide an insightful understanding of how major cancer machineries interact with each other during cancer development and progression, and how this knowledge may be used for future co-targeting strategies. PMID- 29203142 TI - Synthesis and evaluation of a potent, well-balanced EP2/EP3 dual agonist. AB - A highly potent and well-balanced dual agonist for the EP2 and EP3 receptors is described. Optimization of the lead compound was accomplished in consideration of the relative agonist activity against each EP subtype receptor and the pharmacokinetic profile. As the result, 2-[(2-{(1R,2R)-2-[(1E,4S)-5-cyclopentyl-4 hydroxy-4-methyl-1-penten-1-yl]-5-oxocyclopentyl}eth-yl)thio]-1,3-thiazole-4 carboxylic acid (10) showed excellent potency (human EC50 EP2 = 1.1 nM, EP3 = 1.0 nM) with acceptable selectivity over the EP1 and EP4 subtypes (>2000-fold). Further fine-tuning of compound 10 led to identification of ONO-8055 as a clinical candidate. ONO-8055 was effective at an extremely low dose (0.01 mg/kg, po, bid) in rats, and dose-dependently improved voiding dysfunction in a monkey model of underactive bladder (UAB). ONO-8055 is expected to be a novel and highly promising drug for UAB. PMID- 29203144 TI - A broad-host range dual-fluorescence reporter system for gene expression analysis in Gram-negative bacteria. AB - Fluorescence-based reporter systems are valuable tools for studying gene expression dynamics in living cells. Here we describe a dual-fluorescence reporter system carrying the red fluorescent marker mCherry and the blue fluorescent protein EBFP2 enabling the simultaneous analysis of two promoters in broad-host range autofluorescent Gram-negative bacteria. PMID- 29203143 TI - Synthesis and bioevaluation study of novel N-methylpicolinamide and thienopyrimidine derivatives as selectivity c-Met kinase inhibitors. AB - Four series of N-methylpicolinamide moiety and thienopyrimidine moiety bearing pyridazinone were designed and synthesized and evaluated for the IC50 values against three cancer cell lines (A549, HepG2 and MCF-7) and some selected compounds were further evaluated for the activity against c-Met, Flt-3, VEGFR-2, c-Kit and EGFR kinases. Three compounds (35, 39 and 43) showed more active than positive control Foretinib against A549, HepG2 and MCF-7 cell lines. The most promising compound 43 showed superior activity against A549, HepG2 and MCF-7, with the IC50 values of 0.58 +/- 0.15 uM, 0.47 +/- 0.06 uM and 0.74 +/- 0.12 uM, which were 3.73-5.39-fold more activity than Foretinib, respectively. The experiments of enzyme-based showed that 43 restrain the c-Met selectively, with the IC50 values of 16 nM, which showed equal activity to Foretinib (14 nM) and better than the compound 5 (90 nM). Moreover, AO and Annexin V/PI staining and docking studies were carried out. PMID- 29203145 TI - Global gene expression analysis of macrophage response induced by nonporous and porous silica nanoparticles. AB - Little is known about the global gene expression profile of macrophages in response to changes in size and porosity of silica nanoparticles (SNPs). Spherical nonporous SNPs of two different diameters, and mesoporous spherical SNPs with comparable size were characterized. Reactive oxygen species, mitochondrial membrane potential, lysosome degradation capacity, and lysosome pH were measured to evaluate the influence of nonporous and mesoporous SNPs on mitochondrial and lysosomal function. RNA-sequencing was utilized to generate transcriptional profiles of RAW264.7 macrophages exposed to non-toxic SNP doses. DESeq2, limma, and BinReg2 software were used to analyze the data based on both unsupervised and supervised strategies to identify genes with greatest differences among NP treatments. Utilizing GATHER and DAVID software, possible induced pathways were studied. We found that mesoporous silica nanoparticles are capable of altering gene expression in macrophages at doses that do not elicit acute cytotoxicity, while gene transcription was minimally affected by nonporous SNPs. PMID- 29203147 TI - Interrelation of periodontal parameters between asthmatics and nonasthmatics subjects: a systematic review and meta-analysis. AB - BACKGROUND: The aim of this systematic review (SR) is to evaluate the association between asthma and periodontal parameters. METHODS: An electronic search without date or language restrictions was carried out in MEDLINE, Cochrane, Web of Science, and LILACS until May 2017. In addition, manual search and in the grey literature were also conducted. The search process, data analysis, and quality assessment were performed by two independent reviewing authors. Eligibility criteria included prospective and retrospective cohort studies, case-controls, and randomized clinical trials. For the meta-analysis, the inverse variance method was used in fixed or random effect models, which were chosen according to heterogeneity. The estimates of the intervention effects were expressed as the mean differences. RESULTS: The search and selection process yielded 21 studies, published between 1979 and 2017. The meta-analysis showed a statistically significant difference for the parameters of gingival bleeding, plaque index, and gingival index for asthmatic participants with P<0.0001, P<0.0001, and P=0.0005, respectively. CONCLUSIONS: The data from this SR suggest that asthmatic patients may be more susceptible to negative periodontal changes, althought further high quality research wuold be welcome. PMID- 29203146 TI - Toward detection of toxoplasmosis from urine in mice using hydro-gel nanoparticles concentration and parallel reaction monitoring mass spectrometry. AB - Diagnosis of clinical toxoplasmosis remains a challenge, thus limiting the availability of human clinical samples. Though murine models are an approximation of human response, their definitive infection status and tissue availability make them critical to the diagnostic development process. Hydrogel mesh nanoparticles were used to concentrate antigen to detectable levels for mass spectrometry. Seven Toxoplasma gondii isolates were used to develop a panel of potential peptide sequences for detection by parallel reaction monitoring (PRM) mass spectrometry. Nanoparticles were incubated with decreasing concentrations of tachyzoite lysate to explore the limits of detection of PRM. Mice whose toxoplasmosis infection status was confirmed by quantitative real-time PCR had urine tested by PRM after hydrogel mesh concentration for known T. gondii peptides. Peptides from GRA1, GRA12, ROP4, ROP5, SAG1, and SAG2A proteins were detected by PRM after nanoparticle concentration of urine, confirming detection of T. gondii antigen in the urine of an infected mouse. PMID- 29203148 TI - Diabetic retinopathy pathogenesis and the ameliorating effects of melatonin; involvement of autophagy, inflammation and oxidative stress. AB - Diabetic retinopathy (DR), a microvascular complication of diabetes mellitus (DM), remains as one of the major causes of vision loss worldwide. The release of pro-inflammatory cytokines and the adhesion of leukocytes to retinal capillaries are initial events in DR development. Inflammation, ER stress, oxidative stress and autophagy are major causative factors involved in the pathogenesis of DR. Diabetes associated hyperglycemia leads to mitochondrial electron transport chain dysfunction culminating in a rise in ROS generation. Since mitochondria are the major source of ROS production, oxidative stress induced by mitochondrial dysfunction also contributes to the development of diabetic retinopathy. Autophagy increases in the retina of diabetic patients and is regulated by ER stress, oxidative stress and inflammation-related pathways. Autophagy functions as a double-edged sword in DR. Under mild stress, autophagic activity can lead to cell survival while during severe stress, dysregulated autophagy results in massive cell death and may have a role in initiation and exacerbation of DR. Melatonin and its metabolites play protective roles against inflammation, ER stress and oxidative stress due to their direct free radical scavenger activities and indirect antioxidant activity via the stimulation antioxidant enzymes including glutathione reductase, glutathione peroxidase, superoxide dismutase and catalase. Melatonin also acts as a cell survival agent by modulating autophagy in various cell types and under different conditions through amelioration of oxidative stress, ER stress and inflammation. Herein, we review the possible effects of melatonin on diabetic retinopathy, focusing on its ability to regulate autophagy processes. PMID- 29203149 TI - Improved rectal dosimetry with the use of SpaceOAR during high-dose-rate brachytherapy. AB - PURPOSE: Hydrogel spacers have been suggested to limit rectal radiation dose with improvements in clinical outcomes in patients undergoing external beam radiation treatment for prostate cancer. No studies to date have assessed the utility and dosimetric effect of SpaceOAR (Augmenix, Inc, Waltham, MA), the only Food and Drug Administration-approved hydrogel rectal spacer, for high-dose-rate (HDR) brachytherapy. METHODS: Eighteen consecutive patients scheduled for HDR brachytherapy in the treatment of prostate cancer underwent transperineal ultrasound-guided placement of 10 cc of SpaceOAR hydrogel following catheter implantation. Treatment plans were generated using an inverse planning simulated annealing algorithm. Rectal dosimetry for these 18 patients was compared with the 36 preceding patients treated with HDR brachytherapy without SpaceOAR. RESULTS: Fifty-four plans were analyzed. There was no difference in age, pretreatment prostate-specific antigen, Gleason score, clinical stage, prostate volume, or contoured rectal volume between those who received SpaceOAR and those who did not. Patients who received SpaceOAR hydrogel had significantly lower dose to the rectum as measured by percent of contoured organ at risk (median, V80 < 0.005% vs. 0.010%, p = 0.003; V75 < 0.005% vs. 0.14%, p < 0.0005; V70 0.09% vs. 0.88%, p < 0.0005; V60 = 1.16% vs. 3.08%, p < 0.0005); similar results were seen for rectal volume in cubic centimeters. One patient who received SpaceOAR developed a perineal abscess 1 month after treatment. CONCLUSIONS: Transperineal insertion of SpaceOAR hydrogel at the time of HDR brachytherapy is feasible and decreases rectal radiation dose. Further investigation is needed to assess the clinical impact of this dosimetric improvement and potential toxicity reduction. PMID- 29203150 TI - Retroviral and Lentiviral Safety Analysis of Gene-Modified T Cell Products and Infused HIV and Oncology Patients. AB - Replication-competent retrovirus/lentivirus (RCR/L) and insertional oncogenesis are potential safety risks with integrating viruses in gene-modified cell therapies. As such, the Food and Drug Administration guidances outline RCR/L monitoring methods throughout the entire gene therapy treatment cycle. We present data for 17 vector lots, 375 manufactured T cell products, and 308 patients post infusion across both HIV and oncology indications, showing no evidence of RCR/L. Given our data, a Poisson probability model estimates that a single patient, or a group of patients, would need to be followed for at least 52.8 years to observe one positive RCR/L event, highlighting the unlikelihood of RCR/L development. Additionally, we estimate the median time for lentivirus-modified T cell products to fall below the 1% vector sequence threshold in peripheral or whole blood that would trigger vector integration site analysis. These estimated times are 1.4 months in hematologic malignancies, 0.66 month in solid tumors, and 0.92 month in HIV. Based on these considerable safety data in HIV and oncology and recent Biologics License Applications filed for lentiviral-modified T cell products for hematologic malignancies, this may be an opportune time to re-evaluate the current guidelines for T cell gene therapy product testing and long-term patient monitoring. PMID- 29203151 TI - Population pharmacokinetic evaluation of ADV6209, an innovative oral solution of midazolam containing cyclodextrin. AB - INTRODUCTION: In the absence of a licensed formulation in many countries worldwide, ADV6209, an innovative 2mg/ml oral solution of midazolam containing cyclodextrin, has been developed for moderate sedation in paediatric patients. Population pharmacokinetics for ADV6209 is reported. METHODS: Plasma concentration data were collected from 37 paediatric patients and 12 healthy adults recruited in a single dose, open-label phase II pharmacokinetic study and in a single dose, randomised, open-label two-period crossover bioavailability study, respectively. Data were analysed using non-linear mixed effect modelling. Plasma concentrations of midazolam were described by a two-compartment model. An additional one-compartment model was added for alpha- hydroxymidazolam. RESULTS: The body weight covariate was found to have a significant impact on midazolam and alpha-hydroxymidazolam clearance, and on midazolam volume of distribution. The population pharmacokinetic model indicated that 77% of the midazolam dose was absorbed within 30min after oral administration. Parameter estimations for a subject of 34kg indicated values of midazolam clearance of 34.7l.h-1, a central volume of distribution of 27.9l and a peripheral volume of distribution of 413l. A higher metabolic ratio and a higher midazolam clearance per body weight were observed in the youngest group of subjects, in accordance with literature data. The clearance per body weight of alpha-hydroxymidazolam remained constant over the different age groups. CONCLUSION: Pharmacokinetic parameters were close to those reported in the literature with midazolam extemporaneous oral solutions or syrups, demonstrating that cyclodextrin had no significant effect on measured parameters. PMID- 29203152 TI - Dissolving polyvinylpyrrolidone-based microneedle systems for in-vitro delivery of sumatriptan succinate. AB - In-vitro permeation studies were conducted to assess the feasibility of fabricating dissolving-microneedle-array systems to release sumatriptan succinate. The formulations consisted mainly of the encapsulated active ingredient and a water-soluble biologically compatible polymer, polyvinylpyrrolidone (PVP), approved by the U.S. Food and Drug Administration (FDA). Tests with Franz-type diffusion cells and Gottingen minipig skins showed an increase of the transdermal flux compared to passive diffusion. A preparation, containing 30% by mass of PVP and 8.7mg sumatriptan, produced a delivery rate of 395+/-31MUg/cm2h over a 7-hour period after a negligible lag time of approximately 39min. Theoretically, a 10.7cm2 microneedle-array patch loaded with 118.8mg of the drug would provide the required plasma concentration, 72ng/mL, for nearly 7h. PMID- 29203153 TI - Focused ultrasound subthalamotomy in patients with asymmetric Parkinson's disease: a pilot study. AB - BACKGROUND: Ablative neurosurgery has been used to treat Parkinson's disease for many decades. MRI-guided focused ultrasound allows focal lesions to be made in deep brain structures without skull incision. We investigated the safety and preliminary efficacy of unilateral subthalamotomy by focused ultrasound in Parkinson's disease. METHODS: This prospective, open-label pilot study was done at CINAC (Centro Integral de Neurociencias), University Hospital HM Puerta del Sur in Madrid, Spain. Eligible participants had Parkinson's disease with markedly asymmetric parkinsonism. Patients with severe dyskinesia, history of stereotactic surgery or brain haemorrhage, a diagnosis of an unstable cardiac or psychiatric disease, or a skull density ratio of 0.3 or less were excluded. Enrolled patients underwent focused ultrasound unilateral subthalamotomy. The subthalamic nucleus was targeted by means of brain images acquired with a 3-Tesla MRI apparatus. Several sonications above the definitive ablation temperature of 55 degrees C were delivered and adjusted according to clinical response. The primary outcomes were safety and a change in the motor status of the treated hemibody as assessed with part III of the Movement Disorders Society-Unified Parkinson's Disease Rating Scale (MDS-UPDRS III) in both off-medication and on-medication states at 6 months. Adverse events were monitored up to 48 h after treatment and at scheduled clinic visits at 1, 3, and 6 months after treatment. The study is registered with ClinicalTrials.gov, number NCT02912871. FINDINGS: Between April 26 and June 14, 2016, ten patients with markedly asymmetric parkinsonism that was poorly controlled pharmacologically were enrolled for focused ultrasound unilateral subthalamotomy. By 6 months follow-up, 38 incidents of adverse events had been recorded, none of which were serious or severe. Seven adverse events were present at 6 months. Three of these adverse events were directly related to subthalamotomy: off-medication dyskinesia in the treated arm (one patient, almost resolved by 6 months); on-medication dyskinesia in the treated arm (one patient, resolved after levodopa dose reduction); and subjective speech disturbance (one patient). Four of the adverse events present at 6 months were related to medical management (anxiety and fatigue [one patient each] and weight gain [two patients]). The most frequent adverse events were transient gait ataxia (related to subthalamotomy, six patients), transient pin-site head pain (related to the head frame, six patients), and transient high blood pressure (during the procedure, five patients). Transient facial asymmetry (one patient) and moderate impulsivity (two patients) were also recorded. The mean MDS-UPDRS III score in the treated hemibody improved by 53% from baseline to 6 months in the off medication state (16.6 [SD 2.9] vs 7.5 [3.9]) and by 47% in the on-medication state (11.9 [3.1] vs 5.8 [3.5]). INTERPRETATION: MRI-guided focused ultrasound unilateral subthalamotomy was well tolerated and seemed to improve motor features of Parkinson's disease in patients with noticeably asymmetric parkinsonism. Large randomised controlled trials are necessary to corroborate these preliminary findings and to assess the potential of such an approach to treat Parkinson's disease. FUNDING: Fundacion de investigacion HM Hospitales and Insightec. PMID- 29203154 TI - Subthalamotomy for Parkinson's disease: back to the future? PMID- 29203155 TI - Special Issue on Bioconversion of Food Wastes. PMID- 29203156 TI - [IgG4-related kidney disease: Urologist trap?] PMID- 29203157 TI - [Anticoagulation impact on bleeding risk during HoLEP: Monocentric study of 156 patients]. AB - OBJECTIVE: Compare the length of hospital stay and the complications after HoLEP between three groups of patients: a control group, a group with antiplatelet therapy, a group with anticoagulation therapy. MATERIALS: Retrospective cohort study that included all consecutive patients who underwent HoLEP for prostatic hyperplasia in our center from may 2013 to may 2016. Anticoagulated patients and patients under clopidogrel had respectively a relay with heparine and aspirine. Patients were seen after surgery at 1 and 3 months. RESULTS: A hundred and fifty six patients were analysed, mean age was 70.7 years (DS 6.8), mean prostate volume 88.8g (DS 34.1). 106 patients were in the control group, 34 had antiplatelet therapy and 16 had anticoagulation therapy. There were no difference between the 3 groups for mean age, mean prostatic volume, PSA. There was also no difference for length of intervention, irrigated volume and length of morcellation between the three groups. There were no difference between patients in the control group and patients with antiplatelet therapy for length of hospital stay (2.1 days vs 2.0 days), lenght of urethral catheterization (1.6 days vs 1.5 days). There was a statistical difference between patients in the control group and patients with anticoagulation therapy for lenght of hospital stay (2.0 days vs 4.4 days; P=0.01), length of bladder irrigation (0.9 day vs 1.8 days; P=0.01), lenght of urethral catheterization (1.6 days vs 3.5 days; P=0.01). Transfusion rate was 18.75% (n=3) for patients with anticoagulation, 2.9% (n=1) for patients under antiplatelet therapy and 0.9% (n=1) for patients in the control group. CONCLUSION: Anticoagulation during HoLEP is a valid option but need to be proceed with carefully management. LEVEL OF PROOF: 4. PMID- 29203158 TI - Are concurrent systematic cores needed at the time of targeted biopsy in patients with prior negative prostate biopsies? AB - INTRODUCTION AND OBJECTIVES: MRI-guided targeted biopsies are advised in patients who have undergone an initial series of negative systematic biopsies, in whom prostate cancer (PCa) suspicion remains elevated. The aim of the study was to evaluate whether, in men with prior negative prostate biopsies, systematic cores are also warranted at the time of an MRI-targeted repeat biopsy. MATERIAL AND METHODS: We enrolled patients with prior negative biopsy undergoing real time MRI/TRUS fusion guided prostate biopsy at our institute between 2014 and 2016. Patients with at least one index lesion on multiparametric MRI were included. All eligible patients underwent both systematic random biopsies (12-14 cores) and targeted biopsies (2-4 cores). RESULTS: The study included 74 men with a median age of 65 years, PSA level of 9.27ng/mL, and prostatic volume of 45ml. The overall PCa detection rate and the clinically significant cancer detection rate were 56.7% and 39.2%, respectively. Targeted cores demonstrated similar clinically significant PCa detection rate compared to systematic cores (33.8% vs. 28.4%, P=0.38) with significantly less tissue sampling. Indeed, a combination approach was significantly superior to a targeted-only in overall PCa detection (+16.7% overall detection rate, P=0.007). Although differences in clinically significant PCa detection were statistically non-significant (P=0.13), a combination approach did allow detecting 7 extra clinically significant PCas (+13.8%). CONCLUSIONS: In patients with elevated PSA and prior negative biopsies, concurrent systematic sampling may be needed at the time of targeted biopsy in order to maximize PCa detection rate. Larger studies are needed to validate our findings. LEVEL OF EVIDENCE: 4. PMID- 29203159 TI - Long-term follow-up of tonsillectomy efficacy in children with PFAPA syndrome. AB - INTRODUCTION: The role of tonsillectomy in the periodic fever, aphthous stomatitis, pharyngitis, and adenitis, PFAPA syndrome, is controversial. Although some studies reported high success rates with tonsillectomy, further investigations are needed with larger numbers of patients. OBJECTIVE: To seek the long-term outcomes of tonsillectomy in PFAPA syndrome. METHODS: Case series; multi-center study. The study comprised 23 patients with PFAPA syndrome who underwent surgery (tonsillectomy with or without adenoidectomy) between January 2009 and November 2014. RESULTS: 21 (91%) of 23 patients had complete resolution immediately after surgery. One patient had an attack 24h after surgery, but has had no further attacks. One patient had three attacks with various intervals, and complete remission was observed after 3 months. CONCLUSIONS: Tonsillectomy is a good option for the treatment of PFAPA syndrome. PMID- 29203160 TI - Myocardial strain may predict exercise tolerance in patients with reduced and mid range ejection fraction. AB - BACKGROUND: Conventional echocardiographic parameters, such as rest ejection fraction, perform poorly in the prediction of exercise tolerance in heart failure. The aim of the present study was to evaluate the contribution of hemodynamic instability in the observed lower functional capacity and investigate the role of left ventricular strain for the prediction of stress test duration in obese hypertensive patients with reduced ejection fraction. METHODS: Sixty-one patients with reduced ejection fraction underwent treadmill exercise echocardiography. Systolic and diastolic echocardiographic parameters were recorded. Moreover, the presence of hemodynamic instability was assessed through N-terminal pro B-type natriuretic peptide (NT-proBNP) measurements at baseline and peak exercise. RESULTS: Rest and peak NT-proBNP levels, and their difference, were significantly correlated with mean global strain at peak, which was the only parameter associated with changes in NT-proBNP levels. Rest and peak mean global strain were found to be predictive for the duration of treadmill stress test. In particular, mean global strain, but not left ventricular ejection fraction, was independently correlated with exercise ability. CONCLUSIONS: Stress echocardiography may provide important information regarding exercise tolerance in obese hypertensive patients with reduced ejection fraction, mainly through the evaluation of left ventricular strain. The obtained evidence may also have prognostic value, particularly in the early stages of the syndrome. PMID- 29203161 TI - Echocardiography and cardiac arrhythmias. AB - Cardiac arrhythmias refer to any abnormality or disturbance in the normal activation sequence of the myocardium and may be indicative of structural heart disease and the cause of significant cardiovascular complications and sudden cardiac death. The following review summarizes the current state-of-the-art knowledge on the role of echocardiography in the management of cardiac arrhythmias and focuses on atrial fibrillation and ventricular arrhythmias where echocardiography presents a particular diagnostic and prognostic interest. Moreover, a brief reference is made to the effect of cardiac arrhythmias and conduction abnormalities on echocardiographic examination. PMID- 29203162 TI - Diabetes mellitus doubles the risk of type 2 cardiorenal syndrome: results from the NHANES trial. PMID- 29203163 TI - Novel biomarkers in heart failure: How they change clinical decision? PMID- 29203164 TI - Atrial fibrillation and hypertrophic cardiomyopathy: co-existing conditions with additive risks. PMID- 29203165 TI - Sex hormone levels in the brain of d-aspartate-treated rats. AB - d-Aspartate (d-Asp) is an endogenous amino acid present in the central nervous system and endocrine glands of various animal taxa. d-Asp is implicated in neurotransmission, physiology of learning, and memory processes. In gonads, it plays a crucial role in sex hormone synthesis. We have investigated the effects of chronic (30 days d-Asp drinking solution) and acute (i.p. injection of 2MUmol/g bw d-Asp) treatments on sex steroid synthesis in rat brain. Furthermore, to verify the direct effect of d-Asp on neurosteroidogenic enzyme activities, brain homogenates were incubated with different substrates (cholesterol, progesterone, or testosterone) with or without the addition of d-Asp. Enzyme activities were measured by evaluating the in vitro conversion rate of (i) cholesterol to progesterone, testosterone, and 17beta-estradiol, (ii) progesterone to testosterone and 17beta-estradiol, (iii) testosterone to 17beta estradiol. We found that d-Asp oral administration produced an increase of approximately 40% in progesterone, 110% in testosterone, and 35% in 17beta estradiol. Similarly, the results of the acute experiment showed that at 30min after d-Asp treatment, the progesterone, testosterone, and 17beta-estradiol levels increased by 29-35%, and at 8h they further increased by a 100% increment. In vitro experiments demonstrate that the addition of d-Asp to brain homogenate+substrate induces a significant increase in progesterone, testosterone and 17beta-estradiol suggesting that the amino acid upregulates the local activity of steroidogenic enzymes. PMID- 29203166 TI - Current Status of Cardio-Oncology in Spain: A National Multidisciplinary Survey. PMID- 29203167 TI - Antithrombotic Therapy After Percutaneous Aortic Valve Implantation: Large Gaps for a Matter of Extreme Importance. PMID- 29203168 TI - Selection of the Best of 2017 in Clinical Cardiology. Therapeutic Novelties. PMID- 29203169 TI - Antithrombotic Therapy After Percutaneous Aortic Valve Implantation: Large Gaps for a Matter of Extreme Importance. Response. PMID- 29203170 TI - Diameter of fluorescent microspheres determines their distribution throughout the cortical watershed area in mice. AB - A hemodynamic mechanism has long been assumed to play an important role in watershed infarction. In recent years, however, clinical evidence has indicated that an embolic mechanism is involved. The mechanism by which emboli are trapped preferentially in watershed areas remains unclear. In the present study, we developed a mouse embolus model using fluorescent microspheres with different diameters and evaluated the role of the microspheres' diameters in the generation of a watershed-patterned distribution. We injected fluorescent microspheres of four different diameters (i.e., 13, 24, 40, and 69 MUm) into the internal carotid artery of C57BL/6 mice either (1) without ligation of the common carotid artery (normal perfusion pressure model: NPPM) or (2) with ligation of the common carotid artery (low perfusion pressure model: LPPM). Left common carotid artery ligation induced reductions in local cerebral blood flow in both the periphery and the core area of the left middle cerebral artery. A greater reduction in the border-zone area between the left anterior cerebral artery and the middle cerebral artery was also noted. After 24 h, the brains were removed and the distribution of the microspheres in the brain was evaluated using a fluorescence microscope. The 24-MUm microspheres were distributed in the watershed area more frequently than the other microsphere sizes (P < .05, ANOVA followed by Tukey's test). Meanwhile, the distribution rates were similar between the NPPM and LPPM models for all microsphere sizes. This study suggested that the distribution pattern of the microspheres was only affected by the microspheres' diameters. PMID- 29203171 TI - The NLRP3 Inflammasome Renders Cell Death Pro-inflammatory. AB - NLRP3 is the most studied inflammasome sensor due to its crucial involvement in sterile and infection-triggered inflammation. Although its molecular mode of activation remains to be defined, it is well established that low intracellular potassium concentrations result in its activation. This functionality allows the classical NLRP3 pathway to serve as a highly sensitive, but non-specific surveillance mechanism responding to any type of perturbation that breaches plasma membrane integrity and the associated potassium gradient across the membrane. Here, we review our current knowledge on potassium efflux-dependent NLRP3 activation, with a special focus on how major cell death programs are rendered pro-inflammatory by secondary NLRP3 activation. Apart from the "alternative inflammasome" as the major exception to the rule, this connection explains the fundamental importance of NLRP3 in cell death-associated inflammation and firmly establishes NLRP3 as a principal surveillance mechanism of cellular integrity. PMID- 29203172 TI - How much do cancer specialists earn? A comparison of physician fees and remuneration in oncology and radiology in high-income countries. AB - The main driver of higher spending on health care in the US is believed to be substantially higher fees paid to US physicians in comparison with other countries. We aim to compare physician incomes in radiology and oncology considering differences in relation to fees paid, physician capacity and volume of services provided in five countries: the United States, Canada, Australia, France and the United Kingdom. The fee for a consultation with a specialist in oncology varies threefold across countries, and more than fourfold for chemotherapy. There is also a three to fourfold variation in fees for ultrasound and CT scans. Physician earnings in the US are greater than in other countries in both oncology and radiology, more than three times higher than in the UK; Canadian oncologists and radiologists earn considerably more than their European counterparts. Although challenging, benchmarking earnings and fees for similar health care activities across countries, and understanding the factors that explain any differences, can provide valuable insights for policy makers trying to enhance efficiency and quality in service delivery, especially in the face of rising care costs. PMID- 29203173 TI - Evaluation of the dynamic predictors of fluid responsiveness in dogs receiving goal-directed fluid therapy. AB - OBJECTIVES: Goal-directed fluid therapy (GDFT) based on pulse pressure variation (PPV) was used in anaesthetized dogs undergoing abdominal surgeries. The aims were 1) to evaluate the success rate of the PPV >=13% in detecting fluid responsiveness [delta stroke volume (DeltaSV) >=10%]; 2) to assess the correlation between PPV, systolic pressure variation (SPV), Plethysmograph Variability Index (PVI) and central venous pressure (CVP) and 3) to establish the threshold value for the PVI that would predict a PPV value of >=13% and indirectly discriminate responders from nonresponders to fluid therapy. STUDY DESIGN: Clinical, prospective, interventional study. ANIMALS: A total of 63 client-owned dogs scheduled for abdominal procedures. METHODS: PPV and SPV were calculated manually from the invasive blood pressure trace on the Datex monitor. PVI was recorded from the Masimo pulse oximeter. Fluid challenge (10 mL kg-1 Compound Sodium Lactate) was performed when PPV was >=13% and/or mean arterial pressure (MAP) < 60 mmHg. Fluid responsiveness was assessed by the transoesophageal Doppler probe. Cardiovascular parameters (heart rate, MAP, PPV, SPV, PVI, SV and if available, CVP) were measured before and after each fluid intervention. RESULTS: PPV >= 13% reliably predicted fluid responsiveness in 82.9% of cases. There was positive correlation between PPV and SPV (r = 0.84%), PPV and logPVI (r = 0.46) as well as SPV and logPVI (r = 0.45). Noninvasive PVI value >=13% should predict PPV threshold value (13%) with 97% sensitivity and 68% specificity. There was no statistically significant correlation between PPV and CVP. CONCLUSIONS: PPV is a useful clinical tool to detect occult hypovolaemia and predict cardiovascular response to fluid challenge. Use of PPV is recommended as a part of GDFT in dogs undergoing abdominal procedures. PMID- 29203174 TI - The efficacy and safety of first-line single-agent chemotherapy regimens in low risk gestational trophoblastic neoplasia: A network meta-analysis. AB - OBJECTIVE: There is no consensus regarding what should be the optimal single agent regimen in low-risk gestational trophoblastic neoplasia(LRGTN). we performed this network meta-analysis(NMA) and our aim is to synthesize all efficacy evidence, enabling a comparison of all single-agent methotrexate(MTX) based or actinomycin-d(Act-D)-based regimens in LRGTN. METHODS: We performed a literature search of PubMed, Embase, and the Cochrane Library for all relevant articles. Seven randomized controlled trials and four retrospective studies met the study eligibility criteria. Overall, 987 patients were included. Treatments were grouped into weekly intramuscular MTX(w-IM MTX), five-day intramuscular MTX(5d-IM MTX), five-day intravenous MTX(5d-IV MTX), eight-day intramuscular MTX with folinic acid(MTX-FA), five-day intravenous Act-D(5d-IV Act-D), and bi-weekly pulsed intravenous Act-D (pulsed IV Act-D) treatments. P-score was used to rank the treatments. RESULTS: Values of P-score indicated that the Act-D-based regimens had superior efficacy compared with the MTX-based regimens. Namely, 5d IV Act-D had the highest probability of being the best treatment arm for CR, followed by pulsed IV Act-D and 5d-IV MTX. Similar results were observed in the subgroup analysis from the prospective studies. Toxicity analysis indicated that 5d-IM MTX showed increased toxicity in nausea and vomiting, as measured by their P-scores. In contrast, 5d-IV Act-D had the highest probability of being the least toxic regimen in terms of nausea and vomiting. Grade 3/4 adverse events (AEs), though infrequent, were more frequently observed in 5d-IM MTX, followed by 5d-IV Act-D and 5d-IV MTX. CONCLUSIONS: Our NMA provides a systematic evaluation of the relative efficacy of available single-agent MTX-based and Act-D-based regimes in LRGTN. Until new evidence becomes available, 5d-IV Act-D and pulsed IV Act-D appear to be the best treatment options in LRGTN. PMID- 29203175 TI - Impact of HPV 16/18 infection on clinical outcomes in locally advanced cervical cancers treated with radical radio (chemo) therapy - A prospective observational study. AB - OBJECTIVE: With an aim to investigate the impact of Human Papilloma Virus (HPV) 16/18 infection on clinical outcomes in locally advanced cervical cancers treated with radical radio (chemo) therapy, we undertook this prospective study. METHODS: Between May 2010 and April 2012, 150 histologically proven cervical cancer patients treated with radio (chemo) therapy were accrued. Cervical biopsies/brushings were collected at pre-treatment, end of treatment and at 3 monthly intervals up to 24months. Quantitative estimation of HPV 16/18 was done using real-time polymerase chain reaction (RT-PCR) and correlated with various clinical end-points. RESULTS: Out of 150 patients accrued, 135 patients were considered for final analysis. Pre-treatment HPV16/18 DNA was detected in 126 (93%) patients, with HPV-16 present in 91%. The mean log (+/-SD) HPV-16 and HPV 18 viral load at pre-treatment was 4.76 (+/-2.5) and 0.14 (+/-2.1) copies/10ng of DNA, respectively. Though significant decline in viral load was observed on follow-ups (p<0.0001); by 9-month follow-up, 89 (66%) patients had persistence of HPV infection. Patients with persistent HPV 16/18 infection had a significantly higher overall and loco-regional relapses [44/89 (49%) and 29/89 (32%)] as compared to HPV clearance by 9months [12/43 (28%) and 5/43 (11%)] with p=0.024 and p=0.02, respectively. Also, persistent HPV infection by 24-month showed a significant impact on loco-regional control (LRC) and recurrence-free survival (RFS). CONCLUSION: In locally advanced cervical cancers treated with radical radio (chemo) therapy, persistent HPV 16/18 infection is significantly high in immediate post-treatment period and correlated with higher loco-regional, overall relapses and was also associated with early relapses. PMID- 29203176 TI - Corrigendum to "Indications for and complications of transfusion and the management of gynecologic malignancies" [Gynecol. Oncol. 146 (2017) 416-426]. PMID- 29203177 TI - Characterisation, analysis of expression and localisation of the opsin gene repertoire from the perspective of photoperiodism in the aphid Acyrthosiphon pisum. AB - Organisms exhibit a wide range of seasonal responses as adaptions to predictable annual changes in their environment. These changes are originally caused by the effect of the Earth's cycles around the sun and its axial tilt. Examples of seasonal responses include floration, migration, reproduction and diapause. In temperate climate zones, the most robust variable to predict seasons is the length of the day (i.e. the photoperiod). The first step to trigger photoperiodic driven responses involves measuring the duration of the light-dark phases, but the molecular clockwork performing this task is poorly characterized. Photopigments such as opsins are known to participate in light perception, being part of the machinery in charge of providing information about the luminous state of the surroundings. Aphids (Hemiptera: Aphididae) are paradigmatic photoperiodic insects, exhibiting a strong induction to diapause when the light regime mimics autumn conditions. The availability of the pea aphid (Acyrthosiphon pisum) genome has facilitated molecular approaches to understand the effect of light stimulus in the photoperiodic induction process. We have identified, experimentally validated and characterized the expression of the full opsin gene repertoire in the pea aphid. Among identified opsin genes in A. pisum, arthropsin is absent in most insects sequenced to date (except for dragonflies and two other hemipterans) but also present in a crustacean, an onychophoran and chelicerates. We have quantified the expression of these genes in aphids exposed to different photoperiodic conditions and at different times of the day and localized their transcripts in the aphid brain. Clear differences in expression patterns were found, thus relating opsin expression with the photoperiodic response. PMID- 29203178 TI - Fruit flies may face a nutrient-dependent life-history trade-off between secondary sexual trait quality, survival and developmental rate. AB - Optimal life-history strategies are those that best allocate finite environmental resources to competing traits. We used the geometric framework for nutrition to evaluate life-history strategies followed by Drosophila melanogaster by measuring the condition-dependent performance of life-history traits, including the morphology of male secondary sexual characters, sex combs. We found that depending on their rearing environment flies faced different forms of trait trade offs and accordingly followed different life-history strategies. High-energy, high-carbohydrate, low-protein diets supported development of the largest and most symmetrical sex combs, however, consistent with handicap models of sexual selection these foods were associated with reduced fly survival and developmental rate. Expressing the highest quality sex combs may have required secondary sexual trait quality to be traded-off with developmental rate, and our results indicated that flies unable to slow development died. As larval nutritional environments are predominantly determined by female oviposition substrate choice, we tested where mated female flies laid the most eggs. Mothers chose high-energy, high protein foods associated with rapid larval development. Mothers avoided high carbohydrate foods associated with maximal sex comb expression, showing they may avoid producing fewer 'sexy' sons in favour of producing offspring that develop rapidly. PMID- 29203180 TI - In this Issue November 2017. PMID- 29203179 TI - Neurotransmitters in the mediation of cerebral ischemic injury. AB - Under physiological conditions, neurotransmitters shape neuronal networks and control several cellular and synaptic functions. In the mammalian central nervous system (CNS), excitatory and inhibitory neurotransmission are mediated in large part by glutamate and gamma-aminobutyric acid (GABA), which are excitatory and inhibitory neurotransmitters, respectively. Glutamate and GABA also play crucial roles in neurological disorders such as cerebral ischemia. Glutamate in particular causes excitotoxicity, known as one of the hallmark mechanisms in the pathophysiology of cerebral ischemic injury for more than thirty years. Excitotoxicity occurs due to excessive glutamate release leading to overactivation of postsynaptic glutamate receptors, which evokes a downstream cascade that eventually leads to neuronal dysfunction and degeneration. Also, a reduction in GABA receptor response after ischemia impedes these inhibitory effectors from attenuating excitotoxicity and thereby further enabling the excitotoxic insult. This review focuses on the mechanisms by which glutamate and GABA mediate excitotoxicity and ischemic injury. This article is part of the Special Issue entitled 'Cerebral Ischemia'. PMID- 29203181 TI - Rotavirus strain diversity in Eastern and Southern African countries before and after vaccine introduction. AB - BACKGROUND: The African Rotavirus Surveillance Network has been detecting and documenting rotavirus genotypes in the African sub-continent since 1998 in anticipation of the rollout of rotavirus vaccination in routine Expanded Programme on Immunisation. This paper reports distribution of the rotavirus strains circulating in 15 Eastern and Southern African (ESA) countries from 2010 2015 as part of active World Health Organization (WHO) rotavirus surveillance, and investigates possibility of emergence of non-vaccine or unusual strains in six selected countries post-vaccine introduction. MATERIAL AND METHODS: Stool samples were collected from children <5 years of age presenting with acute gastroenteritis at sentinel hospitals pre- and post-rotavirus vaccine introduction. Samples were tested for group A rotavirus using an enzyme immunoassay by the national and sentinel laboratories. At the WHO Rotavirus Regional Reference Laboratory in South Africa, molecular characterisation was determined by PAGE (n = 4186), G and P genotyping (n = 6447) and DNA sequencing for both G and P types (n = 400). RESULTS: The six-year surveillance period demonstrated that 23.8% of the strains were G1P[8], followed by G2P[4] (11.8%), G9P[8] (10.4%), G12P[8] (4.9%), G2P[6] (4.2%) and G3P[6] (3.7%) in 15 ESA countries. There was no difference in circulating strains pre- and post-rotavirus vaccine introduction with yearly fluctuation of strains observed over time. Atypical rotavirus G and P combinations (such as G1P[4], G2P[8], G9P[4] and G12P[4]) that might have arisen through inter-genogroup or inter-genotypes reassortment were detected at low frequency (2%). Close genetic relationship of African strains were reflected on the phylogenetic analysis, strains segregated together to form an African cluster in the same lineages/sub-lineage or monophyletic branch. CONCLUSION: There has been considerable concern about strain replacement post-vaccine introduction, it was not clear at this early stage whether observed cyclical changes of rotavirus strains were due to vaccine pressure or this was just part of natural annual fluctuations in the six ESA countries, long-term surveillance is required. PMID- 29203183 TI - The IL-1 family of cytokines. Do they have a role in scleroderma fibrosis? AB - Systemic sclerosis is a profibrotic autoimmune disease mediated by the dysregulation in collagen synthesis, leading to the increased deposition of collagens, primarily type I and III, and the deposition of other extracellular matrix proteins in the skin and internal organs, in a mechanism that is thought to be an over active wound healing process. These patients experience significant morbidity and the mortality rate in this disease is high. Indeed, scleroderma is the most deadly of diseases in the autoimmune spectrum. Recent evidence has placed the assembly and chronic activation of the inflammasome as a central driver of fibrosis. Once assembled, the inflammasome is a large protein complex that regulates the release of IL-1, IL-18, and IL-33, which are thought to play a role in the fibrotic response. IL-36 also belongs to the IL-1 family of cytokines and is a new comer to this field of research. Recent analyses of the IL-1 family of cytokines have demonstrated that many of them play a role in skin inflammation and fibrosis and their corresponding antagonists (IL-1RA and IL-36RA) can abrogate this pathology. Understanding how these cytokines are regulated and how they contribute to fibrosis will be important to understanding this pathology and may shed light in new areas for therapeutic development. PMID- 29203182 TI - The generation of a simian adenoviral vectored HCV vaccine encoding genetically conserved gene segments to target multiple HCV genotypes. AB - BACKGROUND: Hepatitis C virus (HCV) genomic variability is a major challenge to the generation of a prophylactic vaccine. We have previously shown that HCV specific T-cell responses induced by a potent T-cell vaccine encoding a single strain subtype-1b immunogen target epitopes dominant in natural infection. However, corresponding viral regions are highly variable at a population level, with a reduction in T-cell reactivity to these variants. We therefore designed and manufactured second generation simian adenovirus vaccines encoding genomic segments, conserved between viral genotypes and assessed these for immunogenicity. METHODS: We developed a computer algorithm to identify HCV genomic regions that were conserved between viral subtypes. Conserved segments below a pre-defined diversity threshold spanning the entire HCV genome were combined to create novel immunogens (1000-1500 amino-acids), covering variation in HCV subtypes 1a and 1b, genotypes 1 and 3, and genotypes 1-6 inclusive. Simian adenoviral vaccine vectors (ChAdOx) encoding HCV conserved immunogens were constructed. Immunogenicity was evaluated in C57BL6 mice using panels of genotype specific peptide pools in ex-vivo IFN-Upsilon ELISpot and intracellular cytokine assays. RESULTS: ChAdOx1 conserved segment HCV vaccines primed high-magnitude, broad, cross-reactive T-cell responses; the mean magnitude of total HCV specific T-cell responses was 1174 SFU/106 splenocytes for ChAdOx1-GT1-6 in C57BL6 mice targeting multiple genomic regions, with mean responses of 935, 1474 and 1112 SFU/106 against genotype 1a, 1b and 3a peptide panels, respectively. Functional assays demonstrated IFNg and TNFa production by vaccine-induced CD4 and CD8 T cells. In silico analysis shows that conserved immunogens contain multiple epitopes, with many described in natural HCV infection, predicting immunogenicity in humans. CONCLUSIONS: Simian adenoviral vectored vaccines encoding genetic segments that are conserved between all major HCV genotypes contain multiple T cell epitopes and are highly immunogenic in pre-clinical models. These studies pave the way for the assessment of multi-genotypic HCV T-cell vaccines in humans. PMID- 29203184 TI - A Novel Modification of Transurethral Enucleation and Resection of the Prostate in Patients With Prostate Glands Larger than 80 mL: Surgical Procedures and Clinical Outcomes. AB - OBJECTIVE: To evaluate the efficacy and safety of the modified transurethral enucleation and resection of the prostate (M-TUERP) vs the conventional bipolar transurethral resection of the prostate (B-TURP) for the treatment of prostates larger than 80 mL. METHODS: From April 2012 to May 2014, 86 patients with a prostate volume of >80 mL were divided into 2 groups to undergo M-TUERP and B TURP. In the M-TUERP group, we proposed combining the 12-mm trocar suprapubic cystostomy and using the techniques of "umbrella-shaped resection," "point resection," and "segmental enucleation" to modify the transurethral enucleation and resection of the prostate procedure. The perioperative clinical data were recorded and analyzed. RESULTS: There were no significant differences in preoperative characteristics between the 2 groups. Both groups were similar with the operative time. The M-TUERP group was significantly superior to the B-TURP group in terms of the weight of the resected tissue, the mean intraoperative bladder pressure, hemoglobin decrease, bladder irrigation duration, and urethral catheterization time. No transurethral resection syndrome and incontinence occurred in either group. Compared with the B-TURP group, none of the patients in the M-TUERP group suffered blood transfusion, clot retention, recatheterization, dysuria and reoperation. At the 3-year follow-up, patients who underwent M-TUERP had better international prostate symptom scores, maximum urinary flow rates, and quality of life scores. CONCLUSION: Our modification of the transurethral enucleation and resection of the prostate procedure is a safe and effective method for the surgical treatment of large-volume benign prostatic hyperplasia. It can simplify the surgical procedures, reduce complications, lower difficulties and shorten the learning curve. At 3-year follow-up, the M-TUERP shows a superior and durable clinical outcome than the B-TURP. PMID- 29203185 TI - Conservative Management of High-grade Renal Trauma Does Not Lead to Prolonged Hospital Stay. AB - OBJECTIVE: To evaluate the effect of conservative management of high-grade renal trauma on length of hospitalization, we aim to describe characteristics of patients with high-grade renal trauma that are associated with an increased length of stay (LOS) and the effect of conservative vs surgical management on hospital LOS. METHODS: A retrospective review of all patients who suffered unilateral high-grade renal trauma (grade 3 or higher) from September 1977 to August 2012 at San Francisco General Hospital in San Francisco, CA was performed. Patients' demographic information, mechanism of injury, injury grade, data about associated injuries, hospital LOS, and management were collected. Descriptive analysis was performed using chi-square, ordered logistic regression, and linear regression analysis. Multivariable analysis was performed using a Fine-Gray model of competing risks survival analysis, adjusting for trauma type, grade, surgery, associated injury, and complications. RESULTS: The cohort consisted of 408 patients with high-grade unilateral renal trauma of which 257 patients underwent renal exploration. The adjusted multivariable analysis revealed that trauma type, injury grades, nongenitourinary surgery, associated injuries, and complications were associated with increased hospital LOS (P <.01 for all). Renal exploration compared to conservative management for high-grade renal trauma was not associated with an increased hospital LOS (P = .10). CONCLUSION: There is no significant difference between conservative and surgical management of high-grade renal trauma in terms of hospital LOS. Conservative management of high-grade renal trauma does not impact patients' length of hospitalization. PMID- 29203186 TI - Direction of Rotation in Testicular Torsion and Identification of Predictors of Testicular Salvage. AB - OBJECTIVES: To identify the rate at which testicular torsion occurs in a lateral direction and identify any predictors of direction of testicular rotation and orchiectomy. MATERIALS AND METHODS: We performed a retrospective review of 104 cases of emergent scrotal exploration performed for testicular torsion by 3 pediatric urologists from 2003 to 2017. Patients with neonatal torsion, negative scrotal exploration, or exploration for presumed intermittent testicular torsion were excluded. Univariable logistic regression was performed to assess if any factors predicted direction of testicular rotation. Univariable and multivariable logistic regression was used to identify predictors of testicular salvage. RESULTS: Of 104 cases of acute testicular torsion, information regarding the direction of testicular rotation was available in 81 patients. Lateral testicular rotation occurred in 38 cases (46%). No factors were found to be predictive of direction of torsion. Orchiectomy for testicular nonviability was performed in 50 of 104 cases (48%). On univariable analysis, younger age (p = .002), absence of gastrointestinal symptoms (P = .02), time to exploration (P < .001), testicular size differential on ultrasound (p = .002), absence of hydrocele (P = .01), abnormal ultrasound echotexture (P < .001), and degree of torsion (P = .04) were associated with orchiectomy. With the exception of absence of gastrointestinal symptoms, all predictors of orchiectomy remained statistically significant on multivariable analysis. CONCLUSION: Testicular rotation occurs in a lateral direction in 46% of cases. Lateral manual detorsion should be performed only with awareness of the potential for increasing the degree of testicular rotation. New independent predictors of testicular salvage were identified. PMID- 29203187 TI - Paratesticular Liposarcoma Masquerading as an Inguinal Hernia. AB - A man with left scrotal swelling felt to represent inguinal hernia underwent computed tomography scan for reported bleeding after prostate biopsy. Computed tomography scan revealed a 15-cm extratesticular left scrotal mass containing both fat and soft tissue components, raising concern for dedifferentiated liposarcoma. At surgery and pathology, the mass was separate from the left testis, epididymis, and spermatic cord. Histopathologic findings were consistent with paratesticular dedifferentiated liposarcoma. PMID- 29203188 TI - Congenital Segmental Megaureter in an Ectopic Kidney. AB - We describe the imaging findings of a 19-year-old female patient who presented with recurrent urinary tract infections and pain abdomen which was diagnosed to be due to a left-sided focal segmental megaureter with a calculus. The highlights of the case are functioning moiety with no other associated anomalies like vesicoureteral reflux, Duplex system, and so on. PMID- 29203189 TI - Inhibition of Jun N-terminal Kinase Improves Erectile Function by Alleviation of Cavernosal Apoptosis in a Rat Model of Cavernous Nerve Injury. AB - OBJECTIVE: To determine whether Jun N-terminal kinase (JNK) inhibition could alleviate erectile dysfunction (ED) through suppressing cavernosal apoptosis in a rat model of carvernosal nerve crush injury (CNCI), thereby providing potential therapeutic strategy for alleviating postradical prostatectomy ED. MATERIALS AND METHODS: Fifty-six 11-week-old male Sprague-Dawley rats were categorized equally into the following 4 groups: (1) sham surgery (S), (2) CNCI (I), (3) CNCI treated with low-dose JNK inhibitor (L), and (4) CNCI treated with high-dose JNK inhibitor (H). The L and H groups received daily intraperitoneal injection of JNK inhibitors (1.0 mg/kg for the L group and 10.0 mg/kg for the H group) for 2 weeks starting from the following day after surgery. Erectile response, Western blot, and immunohistochemistry were assessed. RESULTS: At 2 weeks after surgery, intracavernous pressure-mean arterial pressure and area under the curve-mean arterial pressure in group I were significantly decreased compared with those in group S. Erectile responses in group H were significantly improved compared with those in group I. Group I showed decreased smooth muscle (SM) content, increased apoptosis, increased apoptotic or SM cells positive for phosphorylated c-Jun, increased c-Jun phosphorylation, and decreased Bcl2-to-Bax ratio compared with group S. Group H showed significant improvements in histologic alterations and dysregulation of the JNK-driven pathway. CONCLUSION: Our data suggest that JNK inhibition can improve erectile function by alleviating cavernosal apoptosis through restoring the JNK-related pathway toward normal. Thus, an early therapeutic strategy targeting the JNK pathway might be able to alleviate cavernosal SM apoptosis and postradical prostatectomy ED caused by cavernous nerve injury. PMID- 29203190 TI - Organ Preservation for Recurrent Urethral Adenocarcinoma With Concurrent Chemotherapy and Radiation. AB - Urethral adenocarcinoma of males is a rare disease with limited prospective data to define optimal treatment. Surgical excision remains the primary treatment for early-stage disease. Multimodality therapy with a combination of chemotherapy, radiation, or surgery has been explored in patients with locally advanced disease. We present the case of a 45-year-old-man with a locally recurrent urethral adenocarcinoma after initial surgical resection managed successfully with combined weekly cisplatinum and radiation therapy. PMID- 29203191 TI - A Simple Neobladder Using a Porcine Model: The Double Limb U-Pouch. AB - OBJECTIVE: To create a simple neobladder and determine whether the double-limb U Pouch (D-LUP) has the same capacity and compliance as a Studer or Camey I neobladder. To develop an orthotopic diversion that can be applied to robotic surgery with laboratory data supporting the concept. MATERIALS AND METHODS: Kidneys, ureters, bladders, and small intestine were obtained from pigs at the time of scheduled autopsy after completion of institutionally approved investigational trauma protocols. A Camey I neobladder, spherical neobladder, and D-LUP, were constructed from 40-cm segments of small intestine. They were compared for capacity, compliance, and pouch-to-urethra anastomotic distance. RESULTS: The cystometric capacity at 30 cm H2O for the Camey I, Studer, and D-LUP neobladders were 250 mL, 350 mL, and 430 mL, respectively. The pouch-to-urethra anastomotic distance was 0 cm for the Camey I, 10 cm for the spherical reservoir, and 0 cm for the D-LUP. Compliance was 10 mL/cm H20 for the Camey 1, 15 mL/cm H2O for the sphere, and 16 mL/cm H20 for the D-LUP. CONCLUSION: The D-LUP neobladder was simple to construct, had a more dependent ileo-urethrostomy site, larger capacity, and similar compliance when compared with a spherical neobladder. PMID- 29203192 TI - Herd-Level Monitoring and Prevention of Displaced Abomasum in Dairy Cattle. AB - Displaced abomasum (DA) is a postpartum disease that causes significant economic losses in the dairy industry. Abomasal atony and excessive production of gas have been reported as prerequisites for the development of DA. The exact cause of DA is unknown, yet infectious and metabolic disease, diet composition and physical form, cow comfort, and management of dairy cows during the transition period have been associated with the occurrence of this disorder. This review article discusses different factors that lead to the development of DA and strategies for monitoring DA and its comorbidities at the herd level. PMID- 29203193 TI - Fructose-1,6-bisphosphatase deficiency as a cause of recurrent hypoglycemia and metabolic acidosis: Clinical and molecular findings in Malaysian patients. AB - BACKGROUND: Fructose-1,6-bisphosphatase (FBPase) deficiency is a rare autosomal recessive inborn error of gluconeogenesis. We reported the clinical findings and molecular genetic data in seven Malaysian patients with FBPase deficiency. METHODS: All patients diagnosed with FBPase deficiency from 2010 to 2015 were included in this study. Their clinical and laboratory data were collected retrospectively. RESULTS: All the patients presented with recurrent episodes of hypoglycemia, metabolic acidosis, hyperlactacidemia and hepatomegaly. All of them had the first metabolic decompensation prior to 2 years old. The common triggering factors were vomiting and infection. Biallelic mutations in FBP1 gene (MIM*611570) were identified in all seven patients confirming the diagnosis of FBPase deficiency. In four patients, genetic study was prompted by detection of glycerol or glycerol-3-phosphate in urine organic acids analysis. One patient also had pseudo-hypertriglyceridemia. Seven different mutations were identified in FBP1, among them four mutations were new: three point deletions (c.392delT, c.603delG and c.704delC) and one splice site mutation (c.568-2A > C). All four new mutations were predicted to be damaging by in silico analysis. One patient presented in the neonatal period and succumbed due to sepsis and multi-organ failure. Among six survivors (current age ranged from 4 to 27 years), four have normal growth and cognitive development. One patient had short stature and another had neurological deficit following status epilepticus due to profound hypoglycemia. CONCLUSION: FBPase deficiency needs to be considered in any children with recurrent hypoglycemia and metabolic acidosis. Our study expands the spectrum of FBP1 gene mutations. PMID- 29203194 TI - Hepatoblastoma in an extremely low birth-weight infant with Beckwith-Wiedemann syndrome. PMID- 29203195 TI - 2017 ACC Expert Consensus Decision Pathway on Management of Bleeding in Patients on Oral Anticoagulants: A Report of the American College of Cardiology Task Force on Expert Consensus Decision Pathways. PMID- 29203196 TI - Hepatorenal protective effects of medicinal herbs in An-Gong-Niu-Huang Wan (AGNH) against cinnabar- and realgar-induced oxidative stress and inflammatory damage in mice. AB - An-Gong-Niu-Huang Wan (AGNH) is a famous traditional Chinese medicine prescription that contains cinnabar (HgS) and realgar (As2S2); the clinical practice of AGNH is hindered because both mercury and arsenic are hepatorenal toxic metalloids. It is noted that the cinnabar and realgar in AGNH are not used alone, but rather combined with different kinds of medicinal herbs as a formula to use. In this study, we evaluated the hepatorenal protective effects of the medicinal herbs in AGNH after co-exposure to cinnabar and realgar for 4 weeks in mice. The combination of the herbs in AGNH alleviated cinnabar and realgar induced histopathological alterations and oxidative stress in the liver and kidneys. Furthermore, in cinnabar and realgar-treated mice, the increased expression levels of inducible enzymes (COX-2 and iNOS) and proinflammatory mediators (IL-1beta, TNF-alpha, PGE2 and NO) in the liver and kidneys were consistently down-regulated when medicinal herbs were combined as a formula. We also found that the herbs could reduce the inflammatory response by the inactivation of the MAPK and PI3K/Akt signaling pathway and the resulting blockade of NF-kappaB activation. Overall, our data indicates that the herbal medicines in AGNH attenuate cinnabar and realgar-induced hepatorenal toxicity by improving antioxidant competence and suppressing inflammatory injury. PMID- 29203197 TI - Safety evaluation of dietary levels of 25-hydroxyvitamin D3 in growing calves. AB - The objective of this study was to evaluate the safety of 25-OH-D3 addition to the diet of bovine calves. The investigation was conducted as a feeding experiment for 90 days. 40 calves were allotted to four groups: T1 - control group which received 30 IU vitamin D3/kg feed, and three experimental groups, which received 25-OH-D3 in increasing dosages: T2 - 25-OH-D3 at 1.7 MUg/kg, T3 - 25-OH-D3 at 5.1 MUg/kg and T4 - 25-OH-D3 at 8.5 MUg/kg. All calves in the four groups gained weight continually: no growth depression was observed. No adverse effects of 25- OH-D3 were observed for any of the hematology and serum chemistry parameters measured or during the routine clinical examinations. Plasma 25-OH-D3 concentration was higher (p<0.05) in groups T2, T3 and T4 compared to that observed in group T1. Tissues content of 25-OH-D3 was significantly higher in in groups T2, T3 and T4 than in group T1. In the post-mortem evaluation, no adverse effects of the different 25-OH-D3 doses were observed, neither during the gross pathology nor in the histological examination. The results of this study show explicitly that there were no adverse effects of 25-OH-D3 compared to the control group, supplemented with vitamin D3. PMID- 29203198 TI - Phylogeny and expression patterns of two apolipoprotein E genes in the flatfish Senegalese sole. AB - The apolipoprotein E (ApoE) is a key component of several lipoproteins involved in lipid homeostasis. In this study, two cDNA sequences encoding ApoE (referred to as apoEa and apoEb) were characterized in the flatfish Solea senegalensis. The predicted peptides contained conserved structural blocks related with their capacity for lipid binding and lipoprotein receptor interaction. At genomic level, both genes contained five exons and four introns and they were organized into two tandem arrays with apoA-IV gene copies. The phylogenetic analysis clearly separated them into two well-supported clusters that matched with their organization in the genome of teleosts. Whole-mount in situ hybridization located the apoEa signal in the yolk syncytial layer (YSL) of lecitothrophic larval stages (0dph) and in the anterior intestine of exotrophic larvae and benthic fish. In the case of apoEb, hybridization signals were located in the YSL, tail bud, eyes and mouth at 0dph and in the otic vesicle, hindbrain, eyes, pharynx, mouth, heart and intestine at 1dph. In exotrophic larvae, apoEb was ubiquitously expressed in several tissues such as taste buds, brain, mouth, nostril, gills, intestine, liver and around the neuromasts and eyes. Quantification of mRNA levels in pools of whole larvae confirmed distinct expression patterns with a significant reduction of apoEa and an increase of apoEb mRNA levels throughout larval development. Moreover, only apoEa transcripts increased in response to food supply suggesting that this paralog mostly participates in the absorption and transport of dietary lipids and the apoEb in the redistribution of endogenous lipids as well as in neural tissue regeneration. PMID- 29203199 TI - Overexpression of OCT4 induced by modulation of histone marks plays crucial role in breast cancer progression. AB - OCT4 is known as the gatekeeper of pluripotent embryonic state as it is responsible for maintenance of pluripotency via self-renewal of embryonic stem cells and acquisition of induced pluripotency via somatic cell reprogramming. OCT4 is responsible for oncogenic transformation by disrupting pre-scheduled differentiation programs and in general, favoring evolution of cancer cells into a more aggressive cancer stem cell phenotype. In this study, we have investigated in details, the epigenetic regulatory mechanisms responsible for over-expression and subsequent aberrant function of OCT4 in breast cancer. Expression of OCT4 in breast cancer tissues and cell lines was determined by qRT-PCR, Western blot, immunohistochemistry and immunocytochemistry followed by investigation of pro tumorigenic properties such as cell proliferation, migration and apoptosis by gene knockdown and treatment with epigenetic modulators. Ectopic treatment of epigenetic modulators was done followed by MS-PCR and chromatin immunoprecipitation. OCT4 is over-expressed in both of the breast cancer cell lines; MCF7 and MDA-MB-231 and its inhibition resulted in drastic decrease in rate of cell proliferation, metastatic ability and induced apoptosis. After treatment with epigenetic modulators, general increase in expression of OCT4 was observed at both gene and protein levels; however, changes of promoter DNA methylation was not found to be significant during OCT4 over-expression. Active histone marks especially H3K4me3 and H3K9acS10p were enriched in the promoter region with very low levels of repressive marks H3K9me3 and H3K27me3 indicating that active histone modifications are the deciding factor in inducing over expression of OCT4 during breast carcinogenesis. These findings could provide the basis on which epigenetic therapy, targeting reversible epigenetic modifications and their perpetuating enzymes, can be designed for effective treatment of aggressive breast cancer. PMID- 29203200 TI - Traumatic skull fractures in children and adolescents: A retrospective observational study. AB - OBJECTIVE: To investigate the epidemiological features of child and adolescent (<=18 years old) patients managed for traumatic skull fractures (TSKFs) and associated traumatic brain injury (TBI). DESIGN: 393 Patients who were children and adolescent who had TSKFs admitted to our university affiliated hospitals between January 2003 and December 2010. The incidence and patterns were summarized with respect to different age group, admission time and etiology. SETTING: Two university-affiliated hospitals from January 2003 to May 2010. RESULTS: The most common etiologies were motor vehicle collisions (MVCs) (166, 42.2%) and high fall (101, 25.7%). The most common skull fracture sites were parietal fractures (n=111, 28.2%) and basilar skull fracture (n=111, 28.2%). A total of 300 (76.3%) patients suffered TBI and 23 (5.9%) patients suffered OCI. The most common intracranial hemorrhage was epidural hemorrhage (n=94, 23.9%). The frequencies of emergency admission, medical insurance and associated injuries were 56.2% (n=221), 22.4% (n=88) and 37.2% (n=146). The frequencies of TBI and associated injuries were significantly increased from 53.45% to 76.3% and from 6.9% to 41.6% with age, respectively. CONCLUSIONS: MVCs were the most common etiologies. Parietal and basilar skull fractures, epidural hemorrhages were the most common fracture sites and intracranial hemorrhage. PMID- 29203201 TI - Combat-related acetabular fractures: Outcomes of open versus closed injuries. AB - INTRODUCTION: Since the onset of the Global War on Terror close to 50,000 United States service members have been injured in combat, many of these injuries would have previously been fatal. Among these injuries, open acetabular fractures are at an increased number due to the high percentage of penetrating injuries such as high velocity gunshot wounds and blast injuries. These injuries lead to a greater degree of contamination, and more severe associated injuries. There is a significantly smaller proportion of the classic blunt trauma mechanism typically seen in civilian trauma. METHODS: We performed a retrospective review of the Department of Defense Trauma Registry into which all US combat-injured patients are enrolled, as well as reviewed local patient medical records, and radiologic studies from March 2003 to April 2012. Eighty seven (87) acetabular fractures were identified with 32 classified as open fractures. Information regarding mechanism of injury, fracture pattern, transfusion requirements, Injury Severity Score (ISS), and presence of lower extremity amputations was analyzed. RESULTS: The mechanism of injury was an explosive device in 59% (n=19) of patients with an open acetabular fracture; the remaining 40% (n=13) were secondary to ballistic injury. In contrast, in the closed acetabular fracture cohort 38% (21/55) of fractures were due to explosive devices, and all remaining (n=34) were secondary to blunt trauma such as falls, motor vehicle collisions, or aircraft crashes. Patients with open acetabular fractures required a median of 17units of PRBC within the first 24h after injury. The mean ISS was 32 in the open group compared with 22 in the closed group (p=0.003). In the open fracture group nine patients (28%) sustained bilateral lower extremity amputations, and 10 patients (31%) ultimately underwent a hip disarticulation or hemi-pelvectomy as their final amputation level. DISCUSSION: Open acetabular fractures represent a significant challenge in the management of combat-related injuries. High ISS and massive transfusion requirements are common in these injuries. This is one of the largest series reported of open acetabular fractures. Open acetabular fractures require immediate damage control surgery and resuscitation as well as prolonged rehabilitation due to their severity. The dramatic number of open acetabular fractures (37%) in this review highlights the challenge in treatment of combat related acetabular fractures. PMID- 29203202 TI - Does it fit? - Impaired affordance perception after stroke. AB - Affordance perception comprises the evaluation of whether our given bodily capabilities and properties of the environment allow particular actions. Typical impairments after left brain damage in motor cognition as well as after right brain damage in visuo-spatial abilities may affect the evaluation of whether interactions with objects are possible. Further it is unclear whether deficient motor function is accounted for when deciding upon action opportunities. For these purposes we developed a paradigm with two tasks that differ in their type of demands on affordance perception and tested it in healthy young adults (Randerath and Frey, 2016). Here, we applied one of these two tasks in stroke patients and age matched healthy participants. A sample of 34 stroke patients with either left (LBD) or right brain damage (RBD) and 29 healthy controls made decisions about whether their hands would fit through a defined horizontal aperture presented in various sizes, while they remained still. Data was analyzed using a detection theory approach and included criterion, perceptual sensitivity and diagnostic accuracy as dependent variables. In addition we applied modern voxel based lesion analyses to explore neural correlates. Compared to controls, both patient groups demonstrated lower perceptual sensitivity. As predicted, increased motor cognitive deficiencies after left brain damage and visuo-spatial deficits after right brain damage were associated with worse performance. Preliminary lesion analyses demonstrated that next to lesions in ventro-dorsal regions, damage in the cortex-claustrum-cingulate pathway may affect perceptual sensitivity. Results were similar for left and right brain damage suggesting a bilateral network. Accordingly, we propose that perceptual sensitivity for affordance based judgments is a capability depending on motor-cognitive and visuo spatial processing, which frequently is deficient after left or right brain damage, respectively. Further research on diagnostics and training in affordance perception after brain damage is needed. PMID- 29203203 TI - A new insight into sentence comprehension: The impact of word associations in sentence processing as shown by invasive EEG recording. AB - The effect of word association on sentence processing is still a matter of debate. Some studies observe no effect while others found a dependency on sentence congruity or an independent effect. In an attempt to separate the effects of sentence congruity and word association in the spatio-temporal domain, we jointly recorded scalp- and invasive-EEG (iEEG). The latter provides highly localized spatial (unlike scalp-EEG) and high temporal (unlike fMRI) resolutions. We recorded scalp- and iEEG in three patients with refractory epilepsy. The stimuli consisted of 280 sentences with crossed factors of sentence congruity and within sentence word-association. We mapped semantic retrieval processes involved in sentence comprehension onto the left temporal cortex and both hippocampi, and showed for the first time that certain localized regions participate in the processing of word-association in sentence context. Furthermore, simultaneous recording of scalp- and iEEG gave us a direct overview of signal change due to its propagation across the head tissues. PMID- 29203204 TI - Component deficits of visual neglect: "Magnetic" attraction of attention vs. impaired spatial working memory. AB - Visual neglect is a disabling consequence of right hemisphere damage, whereby patients fail to detect left-sided objects. Its precise mechanisms are debated, but there is some consensus that distinct component deficits may variously associate and interact in different patients. Here we used a touch-screen based procedure to study two putative component deficits of neglect, rightward "magnetic" attraction of attention and impaired spatial working memory, in a group of 47 right brain-damaged patients, of whom 33 had signs of left neglect. Patients performed a visual search task on three distinct conditions, whereby touched targets could (1) be tagged, (2) disappear or (3) show no change. Magnetic attraction of attention was defined as more left neglect on the tag condition than on the disappear condition, where right-sided disappeared targets could not capture patients' attention. Impaired spatial working memory should instead produce more neglect on the no change condition, where no external cue indicated that a target had already been explored, than on the tag condition. Using a specifically developed analysis algorithm, we identified significant differences of performance between the critical conditions. Neglect patients as a group performed better on the disappear condition than on the no change condition and also better in the tag condition comparing with the no change condition. No difference was found between the tag condition and the disappear condition. Some of our neglect patients had dissociated patterns of performance, with predominant magnetic attraction or impaired spatial working memory. Anatomical results issued from both grey matter analysis and fiber tracking were consistent with the typical patterns of fronto-parietal and occipito-frontal disconnection in neglect, but did not identify lesional patterns specifically associated with one or another deficit, thus suggesting the possible co-localization of attentional and working memory processes in fronto-parietal networks. These findings give support to the hypothesis of the co-occurrence of distinct cognitive deficits in visual neglect and stress the necessity of multi-component models of visuospatial disorders. PMID- 29203205 TI - Effects of intentionality and subliminal information in free-choices to inhibit. AB - Stopping an action at the very last moment is an important feature of human behavioural flexibility. Intentional inhibition has been defined as the ability to inhibit an action on the basis of an internal decision process. Without this ability, actions would be impulsive and would leave little space to correct misguided decisions. Previous research suggests that making a choice between action alternatives activates a specific "choice network" that includes the rostral cingulate zone (RCZ), the anterior insula (AI), the dorsolateral prefrontal cortex (DLPFC) and the inferior parietal lobe (IPL). The activity of this network has shown to be influenced by non-conscious (subliminal) stimuli. In this study, we tested whether the same regions are recruited by free-choices to inhibit and modulated by unconscious information as reported in the case of free choices to act. Using functional magnetic resonance imaging (fMRI) we manipulated the degree of 'freedom' of the choice between acting and inhibiting an action by introducing explicit cues or leaving the participants free to choose between action alternatives. We included subliminal masked primes to test whether responses to targets were facilitated and/or obstructed by conditions of congruency and incongruency between primes and targets. Our findings confirmed higher activation of the "choice network" in free-choice trials when compared to cued choices. However subliminal priming failed to significantly influence participants' responses, in free-choice conditions. PMID- 29203206 TI - Expression of hypothalamic kisspeptin, neurokinin B, and dynorphin A neurons attenuates in female Zucker fatty rats. AB - Zucker fatty (ZF) rats are considered to be an obese model due to leptin receptor abnormality and such rats show infertility. Pulsatile gonadotropin-releasing hormone/luteinizing hormone (LH) secretion, which is important for follicular development in females, is considered to be controlled by KNDy neurons coexpressing kisspeptin, neurokinin B (NKB), and dynorphin A (DynA), encoded by Kiss1, Tac3, and Pdyn, respectively, in the hypothalamic arcuate nucleus (ARC). The purpose of this study is to examine the expression of KNDy neurons in female ZF rats by histochemical approach because pulsatile LH secretion is suppressed. Zucker lean (ZL) rats served as a control group. Animals were ovariectomized and subcutaneously implanted with a silicon tube containing estradiol to produce plasma level of estradiol during diestrus. Plasma LH levels decreased in ZF rats compared with ZL rats. The expressions of each mRNA (Kiss1, Tac3, and Pdyn) and each peptide (kisspeptin, NKB, and DynA) in the ARC significantly decreased in ZF rats compared with ZL rats. However, the number of Kiss1 neurons in the anterior ventral periventricular nucleus did not significantly differ between the two groups. These results suggest that dysfunction of leptin signaling negatively affects KNDy neurons in the ARC, resulting in reproductive dysfunction caused by suppression of the LH pulse. PMID- 29203207 TI - Suppression of autophagy in the brain of transgenic mice with overexpression of A53T-mutant alpha-synuclein as an early event at synucleinopathy progression. AB - Transgenic overexpression of alpha-synuclein is a common model of Parkinson's disease (PD). Accumulation of A53T-mutant alpha-synuclein induces three autophagy cell responses: the inhibition of autophagy caused by the accumulation of alpha synuclein, compensatory activation of macroautophagy in response to inhibition of the chaperone-mediated autophagy, and toxic effects of mutant alpha-synuclein accompanied by the activation of autophagy. The overall effect of long-term overexpression of mutant alpha-synuclein in vivo remains unclear. Here we evaluated the activity of autophagy in the frontal cortex, striatum and s.nigra of transgenic mice with overexpression of A53T-mutant alpha-synuclein. We revealed low autophagic activity in the dopaminergic structures of 5 mo. transgenic B6.Cg-Tg(Prnp-SNCA*A53T)23Mkle/J mice as compared to controls C57Bl/6J mice. The results were further supported by the data on tyrosine hydroxylase immunostaining that indicated its significant decrease in the striatum but not in s.nigra of transgenic mice and might be more related to earlier damage of dopaminergic neurites than to the somas due to disturbed formation of autophagosomes at the neuron periphery. The results provide evidence of a possible contribution of suppressed autophagy to the development of PD-like condition as an early event at synucleinopathy progression. Activation of autophagy at early stages of PD seems to be a promising therapeutic tool while B6.Cg-Tg(Prnp-SNCA*A53T)23Mkle/J mice are suggested as a suitable and adequate model for studying the neuroprotective potential and value of this approach. PMID- 29203208 TI - Systems consolidation revisited, but not revised: The promise and limits of optogenetics in the study of memory. AB - Episodic memories (in humans) and event-like memories (in non-human animals) require the hippocampus for some time after acquisition, but at remote points seem to depend more on cortical areas instead. Systems consolidation refers to the process that promotes this reorganization of memory. Various theoretical frameworks accounting for this process have been proposed, but clear evidence favoring one or another of these positions has been lacking. Addressing this issue, a recent study deployed some of the most advanced neurobiological technologies - optogenetics and calcium imaging - and provided high resolution, precise observations regarding brain systems involved in recent and remote contextual fear memories. We critically review these findings within their historical context and conclude that they do not resolve the debate concerning systems consolidation. This is because the relevant question concerning the quality of memory at recent and remote time points has not been answered: Does the memory reorganization taking place during systems consolidation result in changes to the content of memory? PMID- 29203209 TI - Comparative efficacy of two paclitaxel-coated balloons with different excipient coatings in patients with coronary in-stent restenosis: A pooled analysis of the Intracoronary Stenting and Angiographic Results: Optimizing Treatment of Drug Eluting Stent In-Stent Restenosis 3 and 4 (ISAR-DESIRE 3 and ISAR-DESIRE 4) trials. AB - BACKGROUND: Angioplasty with paclitaxel-coated balloons (PCB) is recommended for treatment of patients with coronary in-stent restenosis (ISR) according to European clinical practice guidelines. Most clinical trials have investigated iopromide-based PCB and there is a paucity of data comparing efficacy against butyryl-tri-hexyl citrate (BTHC)-based PCB. Our aim was to compare the performance of two widely-used PCB in the treatment of coronary ISR. METHODS: We analysed patients treated with BTHC- or iopromide-PCB for treatment of drug eluting stent ISR in the setting of 2 consecutive trials with identical inclusion and exclusion criteria. The primary endpoint was diameter stenosis at 6-8month angiographic surveillance. The secondary endpoint of interest was the composite of death, myocardial infarction (MI) or target-lesion revascularisation (TLR) at 1year. Multivariate analysis was performed to adjust for differences in baseline characteristics between groups. RESULTS: In total, 264 patients were treated with BTHC-PCB (n=127) or iopromide-PCB (n=137). Baseline patient characteristics were similar for both groups. Post-procedure stenosis was slightly larger with BTHC PCB (22.3 [SD 8.2]% vs. 18.4 [SD 9.9]%, P=0.001). At 6-8month angiography, diameter stenosis was 40.4 [SD 21.9]% vs. 37.4 [SD 21.4]% in the BTHC-PCB and iopromide-PCB groups, respectively (P=0.16, Padjusted=0.32). At 1year, death, MI or TLR occurred in 29 (23.2%) vs. 32 (23.4%) patients in the BTHC-PCB and iopromide-PCB groups, respectively (HR 1.03 [95% CI 0.62-1.70], P=0.91, Padjusted=0.96). CONCLUSIONS: In patients undergoing intervention for ISR, angioplasty with BTHC-PCB showed similar angiographic and clinical results at 1year compared with iopromide-PCB. PMID- 29203210 TI - Indoxyl sulfate upregulates the cannabinoid type 1 receptor gene via an ATF3/c Jun complex-mediated signaling pathway in the model of uremic cardiomyopathy. AB - BACKGROUND: The risk of cardiovascular disease is notably increased in patients with chronic kidney disease (CKD) and cannabinoid receptor type 1 (CB1R) plays an important role in the development of uremic cardiomyopathy. However, the molecular mechanism underlying the uremic toxin-induced upregulation of CB1R remains elusive. METHODS: The expression of the ATF3/c-Jun complex and CB1R in both in vivo and in vitro models of CKD were measured. We also determined the impact of the ATF3/c-Jun complex on CB1R expression by transfecting H9c2 cells with dominant negative mutants of ATF3 or c-Jun. Inhibitors of organic anion transport, specific MAPK pathways and oxidative DNA damage were also used to assess the pathways mediating the effects of indoxyl sulfate (IS). RESULTS: CB1R upregulation was associated with increased ATF3 expression and c-Jun phosphorylation in CKD both in vivo and in vitro. Expression of dominant-negative ATF3 or c-Jun mutants in IS-treated cells significantly reduced CB1R mRNA levels. Moreover, Co-IP revealed that the ATF3/c-Jun complex is formed and ChIP confirmed its binding to the CB1R promoter, suggesting that this complex directly stimulates CB1R transcription in CKD. Blocking the cellular entry of IS using an organic anion transport inhibitor, as well as inhibiting the ERK1/2 and/or JNK pathways, abrogated the effects of IS on CB1R, ATF3, and c-Jun expression. The IS induced reactive oxygen species (ROS) was observed in the mitochondria. CONCLUSIONS: We demonstrate that uremic toxins induce ATF3/c-Jun complex-mediated CB1R expression both in vivo and in vitro, possibly by modulating the ERK1/2 and JNK signaling pathways and ROS. PMID- 29203211 TI - QTc interval, cardiovascular events and mortality in patients with atrial fibrillation. AB - BACKGROUND: A longer QTc interval has been associated with more adverse cardiovascular events and death in the general population. Little evidence is available on these relationships among patients with atrial fibrillation (AF). METHODS: We performed a prospective observational multicenter cohort study of 1413 patients with AF. A resting 12-lead electrocardiogram (ECG) was performed at baseline. QT interval was corrected for heart rate using the Bazett formula (QTc). Endpoints for this study included hospitalizations for congestive heart failure (CHF), a combination of cardiovascular death, myocardial infarction, stroke, systemic arterial embolism (MACE) and all-cause mortality. RESULTS: Mean age of our population was 68+/-12years and 420 (30%) participants were female. Median QTc was 432ms (interquartile range 409; 457). The mean follow-up time was 3.6+/-1.5years. After multivariable adjustment, there was a linear increase in risk with increasing QTc interval for incident CHF (hazard ratio (HR) per 1-SD increase in QTc 1.3 [95% CI 1.1; 1.6], p=0.008), MACE (HR 1.2 [1.0; 1.4], p=0.02) and all-cause mortality (HR 1.3 [1.0; 1.6], p=0.002). Results were consistent whether or not patients were in sinus rhythm on the baseline ECG (HR for CHF 1.7 versus 1.3, p interaction 0.08; HR for MACE 1.3 versus 1.2, p interaction 0.9; HR for all-cause mortality 1.4 versus 1.4, p interaction 0.9). CONCLUSIONS: In this large well-characterized cohort of AF patients, QTc interval was independently associated with adverse outcomes. These results were independent of the rhythm on the baseline ECG. PMID- 29203213 TI - Examining the role of extracorporeal membrane oxygenation in patients following suspected or confirmed suicide attempts: A case series. AB - The decision to offer extracorporeal membrane oxygenation (ECMO) is based on a risk/benefit assessment and the likelihood of a treatable underlying condition or the feasibility of destination therapy (durable mechanical support or thoracic organ transplantation) should heart-lung function fail to improve. Patients who present following suspected suicide attempts who fail medical therapy may pose a dilemma for clinicians. An assessment to determine if a patient has a high likelihood of psychiatric recovery such that bridging with ECMO or ultimately destination therapy could or should be offered is not always feasible in the setting of critical illness. This case series reviews our institution's experience with ECMO in the management of five patients who presented following suspected or confirmed suicide attempts. All five patients survived to hospital discharge. Two had subsequent psychiatric admissions, one following a repeat suicide attempt. A discussion of these cases demonstrates the effectiveness of ECMO in supporting this group of patients in the short-term. The self-limited natural history of many psychiatric episodes, poisonings and traumatic injuries makes the use of ECMO a potentially reasonable support strategy. However, careful consideration must be given to psychiatric history and follow-up given the substantial commitment of resources, potential for complications and for stranding patients on extracorporeal therapy without definitive destination therapy. PMID- 29203212 TI - Transcriptional basis of enhanced photoinduction of carotenoid biosynthesis at low temperature in the fungus Neurospora crassa. AB - Stimulation by light of carotenoid biosynthesis in the mycelia of the fungus Neurospora crassa starts with transient transcriptional induction of the structural genes of the pathway triggered by the White Collar photoreceptor complex. Most studies on this process were carried out under standard growth conditions, but photoinduced carotenoid accumulation is more efficient if the fungus is incubated at low temperatures, from 6 to 12 degrees C. We have investigated the transcriptional photoresponse at 8 degrees C of the genes for proteins that participate in the carotenoid pathway. Exposure to light pulses of different light intensities revealed higher sensitivity if the mycelia were subsequently incubated at 8 degrees C compared to 30 degrees C. Illumination of precooled mycelia resulted in delayed kinetics of mRNA accumulation for the structural genes, and high mRNA accumulation for a longer time. Additionally, after a light pulse, stronger reduction in mRNAs for carotenoid genes was observed at 30 degrees C compared to 8 degrees C. A similar pattern was found for mRNAs of the photoreceptor genes wc-1 and vvd, the latter involved in photoadaptation. These results suggest that the increased efficiency in carotenoid photoinduction at low temperature is due to the higher mRNA levels of the structural genes under these conditions. PMID- 29203214 TI - Unravelling the differences: comparative proteomic analysis of a clonal virulent and an attenuated Histomonas meleagridis strain. AB - The current study focused on Histomonas meleagridis, a unicellular protozoan, responsible for histomonosis in poultry. Recently, the occurrence of the disease increased due to the ban of effective chemotherapeutic drugs. Basic questions regarding the molecular biology, virulence mechanisms or even life cycle of the flagellate are still puzzling. In order to address some of these issues, we conducted a comparative proteomic analysis of a virulent and an attenuated H. meleagridis strain traced back to a single cell and propagated in vitro as monoxenic mono-eukaryotic cultures. Using two-dimensional electrophoresis (2-DE) for proteome visualization with computational 2-DE gel image and statistical analysis, upregulated proteins in either of the two H. meleagridis strains were detected. Statistical analysis fulfilling two criteria (>=threefold upregulation and P < 0.05) revealed 119 differentially expressed protein spots out of which 62 spots were noticed in gels with proteins from the virulent and 57 spots in gels with proteins from the attenuated culture. Mass spectrometric analysis of 32 protein spots upregulated in gels of the virulent strain identified 17 as H. meleagridis-specific. The identification revealed that these spots belonged to eight different proteins, with the majority related to cellular stress management. Two ubiquitous cellular proteins, actin and enolase, were upregulated in multiple gel positions in this strain, indicating either post-translational modification or truncation, or even both. Additionally, a known virulence factor named legumain cysteine peptidase was also detected. In contrast to this, mass spectrometric analysis of 49 protein spots, upregulated in gels of the attenuated strain, singled out 32 spots as specific for the flagellate. These spots were shown to correspond to 24 different proteins that reflect the increased metabolism, in vitro adaptation of the parasite, and amoeboid morphology. In addition to H. meleagridis proteins, the analysis identified differential expression of Escherichia coli DH5alpha proteins that could have been influenced by the co-cultivated H. meleagridis strain, indicating a reciprocal interaction of these two organisms during monoxenic cultivation. PMID- 29203215 TI - Transapical mitral replacement with anterior leaflet splitting: A novel technique to avoid left ventricular outflow tract obstruction. PMID- 29203217 TI - Facile conversion from biologic to mechanical prosthesis: A bailout for a hostile aortic root. PMID- 29203216 TI - The presence of multiple variants affects the clinical phenotype and prognosis in left ventricular noncompaction after surgery. PMID- 29203218 TI - The modern Hydra: Perioperative stroke and cardiac surgery. PMID- 29203219 TI - Through the looking glass: Avoiding a retrospective approach to new technology acquisition. PMID- 29203220 TI - Bilateral spontaneous anterior shoulder dislocation: A missed orthopedic injury mistaken as proximal neuropathy. AB - A number of orthopedic injuries can occur during epileptic seizures. Anterior shoulder dislocation is one such orthopedic injury that is quite rare. The shoulder dislocation may injure the brachial plexus. Besides seizures, the nerves can also be damaged by anticonvulsive therapy. Muscle wasting following a seizure can misguide a clinician to investigate only neural or muscular pathologies. We report here an individual with epilepsy who was referred to us for electrodiagnostic evaluation of proximal muscle wasting related to a suspected proximal neuropathy. He was found to have a normal electrodiagnostic evaluation and later on discovered to have had bilateral shoulder dislocation on X-rays. This report advocates a thorough clinical appraisal, radiographs, and electrodiagnostic evaluation in a case with muscle wasting following a seizure. PMID- 29203221 TI - Distal femoral physeal crush injury with metaphyseal comminution - A report of two cases and a new perspective to physeal injury. AB - The physis of a long bone may get 'sandwiched' and crushed between the metaphysis and the epiphysis if it is traumatically loaded along its long axis. Such a physeal injury may lead to complications like angular deformities and growth restrictions and hence, management of such injuries requires adequate planning and attentive execution. Two patients with distal femoral physeal crush injury were treated using a ring fixator such that one ring had the wires passing through the epiphysis and the other through the femoral shaft. On table image intensifier controlled distraction of the crushed physis was done to bring the height of the physis similar to that of the opposite limb. Patients were followed up for more than two years clinically and radiologically. There was no clinical or radiological angular deformity of the operated limbs. MRI scans showed intact physes with no physeal bar formation in either of the two patients. The distraction obtained by the ring fixator appears to have provided ample 'breathing space' to the compressed physis and that the growth potential may have been re-gained by the procedure. However, two years is a relatively short duration of follow-up and further follow-up of longer duration and in greater number of patients is needed to gauge the actual effectiveness of the technique used by us. PMID- 29203222 TI - Methanol assimilation in Escherichia coli is improved by co-utilization of threonine and deletion of leucine-responsive regulatory protein. AB - Methane, the main component of natural gas, can be used to produce methanol which can be further converted to other valuable products. There is increasing interest in using biological systems for the production of fuels and chemicals from methanol, termed methylotrophy. In this work, we have examined methanol assimilation metabolism in a synthetic methylotrophic E. coli strain. Specifically, we applied 13C-tracers and evaluated 25 different co-substrates for methanol assimilation, including amino acids, sugars and organic acids. In particular, co-utilization of threonine significantly enhanced methylotrophy. Through our investigations, we proposed specific metabolic pathways that, when activated, correlated with increased methanol assimilation. These pathways are normally repressed by the leucine-responsive regulatory protein (lrp), a global regulator of metabolism associated with the feast-or-famine response in E. coli. By deleting lrp, we were able to further enhance the methylotrophic ability of our synthetic strain, as demonstrated through increased incorporation of 13C carbon from 13C-methanol into biomass. PMID- 29203223 TI - Expression of heterologous non-oxidative pentose phosphate pathway from Bacillus methanolicus and phosphoglucose isomerase deletion improves methanol assimilation and metabolite production by a synthetic Escherichia coli methylotroph. AB - Synthetic methylotrophy aims to develop non-native methylotrophic microorganisms to utilize methane or methanol to produce chemicals and biofuels. We report two complimentary strategies to further engineer a previously engineered methylotrophic E. coli strain for improved methanol utilization. First, we demonstrate improved methanol assimilation in the presence of small amounts of yeast extract by expressing the non-oxidative pentose phosphate pathway (PPP) from Bacillus methanolicus. Second, we demonstrate improved co-utilization of methanol and glucose by deleting the phosphoglucose isomerase gene (pgi), which rerouted glucose carbon flux through the oxidative PPP. Both strategies led to significant improvements in methanol assimilation as determined by 13C-labeling in intracellular metabolites. Introduction of an acetone-formation pathway in the pgi-deficient methylotrophic E. coli strain led to improved methanol utilization and acetone titers during glucose fed-batch fermentation. PMID- 29203224 TI - Mantle Cell Lymphoma Presenting as Lymphomatous Polyposis. PMID- 29203225 TI - Mucosal Healing and Long-term Outcomes of Patients With Inflammatory Bowel Diseases Receiving Clinic-Based vs Trough Concentration-Based Dosing of Infliximab. AB - BACKGROUND & AIMS: The Trough Concentration Adapted Infliximab Treatment (TAXIT) trial demonstrated that maintaining infliximab trough concentrations at 3 to 7 MUg/mL is most effective at inducing remission in patients with inflammatory bowel diseases (IBDs), with fewer flares than clinic-based dosing. We performed a follow-up analysis of study participants to explore the correlation between trough dosing strategy and mucosal healing, continued infliximab use, and rates of hospitalization, surgery, and steroid use. METHODS: This was a retrospective single-center study of 226 patients with IBD who completed the maintenance phase of TAXIT, performed at the University Hospitals of Leuven in Belgium. Baseline patient characteristics, laboratory test results, and endoscopic data were obtained at the end of that study between June 2012 and December 2013 (n = 125). Long-term outcome data (IBD-related hospitalization, abdominal surgery, and systemic steroid use) were collected from the time of the last TAXIT study visit (August 2012-April 2013) until April 1, 2016. We also collected data on continued use of infliximab and trough concentrations. RESULTS: At baseline, 91% of patients in the clinic-based dosing group and 90% of patients in the trough concentration-based dosing group had mucosal healing. After a median follow-up time of 41 months (interquartile range, 39-42 mo), infliximab treatment was continued by 81 of 108 patients (75%) from the clinic-based dosing group and 86 of 107 (80%) from the trough concentration-based dosing group. However, within 1 year, infliximab was discontinued by 10 of 27 patients (37%) from the clinic based dosing group and 2 of 21 patients (10%) from the trough concentration-based dosing group (P = .04). The rates of hospitalization, surgery, and steroid use were below 15% in both groups. CONCLUSIONS: At the end of a trial of clinic-based dosing vs trough concentration-based dosing of infliximab in patients with IBD, most patients had mucosal healing. Most patients (>=75%) in both groups continued taking infliximab for more than 3 years after the trial, but a significantly higher proportion of patients in the clinic-based dosing group discontinued infliximab in the first year after the end of the trial. Both groups had low rates of hospitalization, surgery, and steroid use. PMID- 29203226 TI - Innately versatile: gammadelta17 T cells in inflammatory and autoimmune diseases. AB - IL-17-producing gammadelta (gammadelta17) T cells form a versatile subset of cells that respond rapidly to innate stimuli and support the pro-inflammatory functions of different myeloid and lymphoid lineages, being particularly critical in the early stages of inflammatory and autoimmune responses. In mice, under homeostatic conditions, these innate-like lymphocytes are pre-programmed in the fetal thymus, through an intricate process involving both T cell receptor dependent and -independent signals, which allows them to readily produce IL-17 upon stimulation. However, given their transcriptional and epigenetic wiring, gammadelta17 T cells are permissive to different environmental instructions, and can readily acquire the ability to co-produce multiple cytokines, such as IFN gamma, IL-22 and GM-CSF, that further propagate inflammation. Moreover, strong IL 23 signals, which are abundantly found in autoinflammatory conditions, are able to induce de novo differentiation of gammadelta17 T cells from uncommitted precursors, both in mice and humans. This notwithstanding, the exact mechanisms responsible for gammadelta17 T cell pathogenicity and multifunctionality are still poorly understood, especially in humans. The pathogenic roles attributed to gammadelta17 T cells in autoimmune diseases stem mainly from their ability to recruit different inflammatory myeloid populations to the target tissue, and to modulate alphabeta T cell function, either by enhancing inflammatory TH17 responses, or by restraining regulatory Treg cell activity. Given their capacity to link key inflammatory axes of innate and adaptive immunity, a better understanding of the molecular basis underpinning gammadelta17 T cell plasticity, and how much this feature accounts for their pathophysiological roles, may be critical for developing novel therapeutic approaches. In this review, we discuss the importance of gammadelta17 T cells in breaking tolerance and enhancing inflammation in various autoimmune diseases, such as multiple sclerosis, psoriasis and rheumatoid arthritis under the light of their basic biological traits, e.g. development, activation, effector functions and plasticity. PMID- 29203227 TI - Behavior of Adult 5-HT1A Receptor Knockout Mice Exposed to Stress During Prenatal Development. AB - Chronic maternal stress during pregnancy can have long-term, detrimental consequences for the offspring. An understanding of the mechanisms responsible for mediating these effects is essential for devising therapeutic interventions. Here, we examined whether serotonin 1A receptor (5-HT1AR) mediates the effects of maternal stress on the behavioral outcomes of the offspring as adults. Heterozygous (HET) mouse dams were bred with HET males and were randomly assigned to stress or control groups. Pregnant dams in the stress group were exposed to a regime of chronic unpredictable stress from embryonic day 7 to 18. At two months of age, groups of male and female wildtype (WT), HET, and knockout (KO) offspring underwent a comprehensive behavioral test battery that included tests of social behavior, memory, aggression, anxiety, sensorimotor information processing, and exploratory and risk assessment behaviors. Independent of genotype, prenatal stress resulted in a change in locomotor activity and fear memory in male mice and a change in prepulse inhibition in female animals. 5-HT1AR KO affected anxiety in male mice, and fear memory and prepulse inhibition in female mice. 5 HT1AR genotype moderated the effects of maternal prenatal stress exposure on social behavior of male offspring and on activity levels of female offspring. Our findings indicate that 5-HT1A receptor availability can affect outcomes of the offspring resulting from maternal prenatal stress exposure, and that these effects are sex-specific. PMID- 29203229 TI - Effects on Hedonic Feeding, Energy Expenditure and Balance of the Non-opioid Peptide DYN-A2-17. AB - The dynorphin (DYN) peptide family includes opioid and non-opioid peptides, yet the physiological role of the non-opioid DYN peptides remains poorly understood. Recent evidence shows that administering the non-opioid peptide DYN-A2-17 into the paraventricular hypothalamic nucleus (PVN) simultaneously increased short term intake of standard rodent chow and spontaneous physical activity (SPA). The present studies aimed to expand upon the mechanisms and role of DYN-A2-17 on food intake and energy expenditure. Injection of DYN-A2-17 in PVN increased SPA, energy expenditure and wheel running in the absence of food. Repeated DYN-A2-17 injection in PVN increased short-term chow intake, but this effect habituated over time and failed to alter cumulative food intake, body weight or adiposity. Pre-treatment with a CRF receptor antagonist into PVN blocked the effects of DYN A2-17 on food intake while injection of DYN-A2-17 in PVN increased plasma ACTH. Finally, as DYN peptides are co-released with orexin peptides, we compared the effects of DYN-A2-17 to orexin-A and the opioid peptide DYN-A1-13 on food choice and intake in PVN when palatable snacks and chow were available. DYN-A1-13 selectively increased intake of palatable snacks. DYN-A2-17 and orexin-A decreased palatable snack intake while orexin-A also increased chow intake. These findings demonstrate that the non-opioid peptide DYN-A2-17 acutely regulates physical activity, energy expenditure and food intake without long-term effects on energy balance. These data also propose different roles of opioid, non-opioid DYN and orexin peptides on food choice and intake when palatable and non palatable food options are available. PMID- 29203228 TI - Mild Fluid Percussion Injury Induces Diffuse Axonal Damage and Reactive Synaptic Plasticity in the Mouse Olfactory Bulb. AB - Despite the regenerative capacity of the olfactory bulb (OB), head trauma causes olfactory disturbances in up to 30% of patients. While models of olfactory nerve transection, olfactory receptor neuron (ORN) ablation, or direct OB impact have been used to examine OB recovery, these models are severe and not ideal for study of OB synaptic repair. We posited that a mild fluid percussion brain injury (mFPI), delivered over mid-dorsal cortex, would produce diffuse OB deafferentation without confounding pathology. Wild type FVB/NJ mice were subjected to mFPI and OB probed for ORN axon degeneration and onset of reactive synaptogenesis. OB extracts revealed 3 d postinjury elevation of calpain-cleaved 150-kDa alphaII-spectrin, an indicator of axon damage, in tandem with reduced olfactory marker protein (OMP), a protein specific to intact ORN axons. Moreover, mFPI also produced a 3-d peak in GFAP+ astrocyte and IBA1+ microglial reactivity, consistent with postinjury inflammation. OB glomeruli showed disorganized ORN axons, presynaptic degeneration, and glial phagocytosis at 3 and 7 d postinjury, all indicative of deafferentation. At 21 d after mFPI, normal synaptic structure re-emerged along with OMP recovery, supporting ORN afferent reinnervation. Robust 21 d postinjury upregulation of GAP-43 was consistent with the time course of ORN axon sprouting and synapse regeneration reported after more severe olfactory insult. Together, these findings define a cycle of synaptic degeneration and recovery at a site remote to non-contusive brain injury. We show that mFPI models diffuse ORN axon damage, useful for the study of time-dependent reactive synaptogenesis in the deafferented OB. PMID- 29203230 TI - Maternal Consumption of High-fat Diet in Mice Alters Hypothalamic Notch Pathway, NPY Cell Population and Food Intake in Offspring. AB - Studies show that maternal consumption of a high-fat diet (HFD) can impair the formation of hypothalamic neuronal circuits in mouse offspring. This damage can be mediated by Notch1/Hes5 signaling activation, leading to repression of proneural factors such as Mash1 and Ngn2/3, which are essential for neuronal differentiation and neurogenesis. Thus, we aimed to investigate the effects of maternal HFD consumption during gestation and lactation on the Notch1/Mash1 pathway in the hypothalamus and arcuate nucleus (ARC) of mouse offspring (neonates and 28 days old). Our results showed that maternal HFD consumption increases body weight and adiposity of mouse offspring, accompanied by increased levels of Il-1beta mRNA compared to those in control offspring. We noticed high mRNA levels of Hes5 accompanied by diminished mRNA levels of Ascl1 (Mash1). The number of Mash1-labeled cells in the ARC was diminished in HFD-O. Additionally, the population of NPY neurons was increased in these animals. Mash1 is important for the development of POMC and NPY neurons in the ARC. Therefore, the reduction in Mash1-labeled cells could be related to modification of the NPY neuron population in the ARC. This scenario favors hyperphagia and weight gain, and could be responsible for the development of obesity in adulthood. PMID- 29203231 TI - A test of four innominate bone age assessment methods in a modern skeletal collection from Medellin, Colombia. AB - Studying bone collections with known data has proven to be useful in assessing reliability and accuracy of biological profile reconstruction methods used in Forensic Anthropology. Thus, it is necessary to calibrate these methods to clarify issues such as population variability and accuracy of estimations for the elderly. This work considers observations of morphological features examined by four innominate bone age assessment methods: (1) Suchey-Brooks Pubic Symphysis, (2) Lovejoy Iliac Auricular Surface, (3) Buckberry and Chamberlain Iliac Auricular Surface, and (4) Rouge-Maillart Iliac Auricular Surface and Acetabulum. This study conducted a blind test of a sample of 277 individuals from two contemporary skeletal collections from Universal and San Pedro cemeteries in Medellin, for which known pre-mortem data support the statistical analysis of results obtained using the four age assessment methods. Results from every method show tendency to increase bias and inaccuracy in relation to age, but Buckberry Chamberlain and Rouge-Maillart's methods are the most precise for this particular Colombian population, where Buckberry-Chamberlain's is the best for analysis of older individuals. PMID- 29203232 TI - Thioredoxin-interacting protein deficiency ameliorates diabetic retinal angiogenesis. AB - Diabetic retinopathy is the leading cause of blindness among working-aged adults around the world. Hyperglycemia and intraocular vascular endothelial growth factor (VEGF) over-accumulation are essential for the progression of diabetic retinopathy, which eventually results in proliferative diabetic retinopathy, characterized by pathologic angiogenesis and impaired vision. Thioredoxin interacting protein (TXNIP) was highly induced in retinal endothelial cells under diabetic conditions. However, the role of TXNIP in diabetes-associated retinal angiogenesis remains elusive. Here, we investigated whether the absence of TXNIP alters diabetes-associated retinal angiogenesis. Exposure of human retinal microvascular endothelial cells (HRMECs) to moderately high glucose (MHG) promoted cell migration and tube formation, but not proliferation. Knockdown of TXNIP suppressed moderately high glucose (MHG)-induced reactive oxygen species (ROS) generation, migration, tube formation and activation of Akt/mTOR pathway in HRMECs. Moreover, gene silencing of TXNIP inhibited VEGF-induced angiogenic response by blocking VEGFR2 and downstream signal pathway Akt/mTOR activation in HRMECs. Furthermore, TXNIP knockout inhibited VEGF or VEGF and MHG-induced retinal angiogenesis ex vivo compared with wild-type mice. In conclusion, our study demonstrated that TXNIP deficiency inhibited VEGF or/and MHG-induced angiogenic response in HRMECs and mice retinas and suggested TXNIP may be a potential therapy target for treating proliferative diabetic retinopathy. PMID- 29203234 TI - Development of a brief assessment of activity limitations in children with food allergy. PMID- 29203233 TI - Glycerophosphodiesterase GDE2/GDPD5 affects pancreas differentiation in zebrafish. AB - Notch signaling plays an essential role in the proliferation, differentiation and cell fate determination of various tissues, including the developing pancreas. One regulator of the Notch pathway is GDE2 (or GDPD5), a transmembrane ecto phosphodiesterase that cleaves GPI-anchored proteins at the plasma membrane, including a Notch ligand regulator. Here we report that Gdpd5-knockdown in zebrafish embryos leads to developmental defects, particularly, impaired motility and reduced pancreas differentiation, as shown by decreased expression of insulin and other pancreatic markers. Exogenous expression of human GDE2, but not catalytically dead GDE2, similarly leads to developmental defects. Human GDE2 restores insulin expression in Gdpd5a-depleted zebrafish embryos. Importantly, zebrafish Gdpd5 orthologues localize to the plasma membrane where they show catalytic activity against GPI-anchored GPC6. Thus, our data reveal functional conservation between zebrafish Gdpd5 and human GDE2, and suggest that strict regulation of GDE2 expression and catalytic activity is critical for correct embryonic patterning. In particular, our data uncover a role for GDE2 in regulating pancreas differentiation. PMID- 29203235 TI - Sensibility and specificity of laser speckle contrast imaging according to Endo PAT index in type 1 diabetes. AB - OBJECTIVES: To find out an normality value for microvascular response (physiological and pharmacological) assessed through laser speckle contrast imaging (LSCI) based on Endo-PAT, which identifies the ones with Endothelial Dysfunction (ED) in patients with Type 1 Diabetes (T1D). METHODS: Patients with T1D, aged >=12years underwent a clinical-epidemiological questionnaire. Fasting blood samples were obtained (lipid profile, glycemic control and levels of C reactive protein). Vascular reactivity was assessed in the forearm through the technique of LSCI at baseline, during post occlusive reactive hyperemia (PORH) and during iontophoresis of acetylcholine (ACh) and peripheral arterial tonometry was performed by supplying the RHI through Endo-PAT device. RESULTS: 189 patients were evaluated, 97 women (51.3%) with T1D, aged 32+/-13years and with a disease duration of 16 (6-21) years and mean A1c of 9.2% (+/-2.2). Receiver Operating Characteristics curve (ROC) analysis according to RHI showed that the Area under curve (AUC) of ACh of 10,369 Laser Speckle Perfusion Unit (LSPU) presented sensitivity and specificity of 65% and 87,5%, respectively, (p=0.002) in those patients with T1D's duration <5years. Overall, no test of vascular reactivity was able to distinguish the ideal cuttoff based on RHI. CONCLUSION: In the present study, we could find an ideal cut off value of microcirculation assessment through endothelium-dependent vasodilation to ACh using LSCI according to Endo PAT's score, only in those under 5years of disease duration. Further prospective studies shall be conducted to evaluate its predictive cardiovascular value. PMID- 29203236 TI - Amylin - Its role in the homeostatic and hedonic control of eating and recent developments of amylin analogs to treat obesity. AB - BACKGROUND: Amylin is a pancreatic beta-cell hormone that produces effects in several different organ systems. One of its best-characterized effects is the reduction in eating and body weight seen in preclinical and clinical studies. Amylin activates specific receptors, a portion of which it shares with calcitonin gene-related peptide (CGRP). Amylin's role in the control of energy metabolism relates to its satiating effect, but recent data indicate that amylin may also affect hedonic aspects in the control of eating, including a reduction of the rewarding value of food. Recently, several amylin-based peptides have been characterized. Pramlintide (Symlin(r)) is currently the only one being used clinically to treat type 1 and type 2 diabetes. However other amylin analogs with improved pharmacokinetic properties are being considered as anti-obesity treatment strategies. Several other studies in obesity have shown that amylin agonists could also be useful for weight loss, especially in combination with other agents. SCOPE OF REVIEW: This review will briefly summarize amylin physiology and pharmacology and then focus on amylin's role in food reward and the effects of amylin analogs in pre-clinical testing for anti-obesity drugs. CONCLUSION: We propose here that the effects of amylin may be homeostatic and hedonic in nature. PMID- 29203237 TI - Adiponectin release and insulin receptor targeting share trans-Golgi-dependent endosomal trafficking routes. AB - OBJECTIVE: Intracellular vesicle trafficking maintains cellular structures and functions. The assembly of cargo-laden vesicles at the trans-Golgi network is initiated by the ARF family of small GTPases. Here, we demonstrate the role of the trans-Golgi localized monomeric GTPase ARFRP1 in endosomal-mediated vesicle trafficking of mature adipocytes. METHODS: Control (Arfrp1flox/flox) and inducible fat-specific Arfrp1 knockout (Arfrp1iAT-/-) mice were metabolically characterized. In vitro experiments on mature 3T3-L1 cells and primary mouse adipocytes were conducted to validate the impact of ARFRP1 on localization of adiponectin and the insulin receptor. Finally, secretion and transferrin-based uptake and recycling assays were performed with HeLa and HeLa M-C1 cells. RESULTS: We identified the ARFRP1-based sorting machinery to be involved in vesicle trafficking relying on the endosomal compartment for cell surface delivery. Secretion of adiponectin from fat depots was selectively reduced in Arfrp1iAT-/- mice, and Arfrp1-depleted 3T3-L1 adipocytes revealed an accumulation of adiponectin in Rab11-positive endosomes. Plasma adiponectin deficiency of Arfrp1iAT-/- mice resulted in deteriorated hepatic insulin sensitivity, increased gluconeogenesis and elevated fasting blood glucose levels. Additionally, the insulin receptor, undergoing endocytic recycling after ligand binding, was less abundant at the plasma membrane of adipocytes lacking Arfrp1. This had detrimental effects on adipose insulin signaling, followed by insufficient suppression of basal lipolytic activity and impaired adipose tissue expansion. CONCLUSIONS: Our findings suggest that adiponectin secretion and insulin receptor surface targeting utilize the same post-Golgi trafficking pathways that are essential for an appropriate systemic insulin sensitivity and glucose homeostasis. PMID- 29203238 TI - Targeting erythropoietin protects against proteinuria in type 2 diabetic patients and in zebrafish. AB - OBJECTIVE: Adult human kidneys produce erythropoietin (EPO), which regulates red blood cell formation; however, whether EPO also functions directly on kidney development and controls diabetic kidney disease remains unknown. Here we analyzed the role of EPO in kidney development and under hyperglycemic conditions in zebrafish and in humans. METHODS: Diabetic patients and respective controls were enrolled in two cohorts. Serum EPO level and urine protein change upon human EPO administration were then analyzed. Transient knockdown and permanent knockout of EPO and EPOR in renal TG(WT1B:EGFP) zebrafish were established using the morpholino technology and CRISPR/Cas9 technology. Zebrafish embryos were phenotypically analyzed using fluorescence microscopy, and functional assays were carried out with the help of TexasRed labeled 70 kDa Dextran. Apoptosis was determined using the TUNEL assay and Annexin V staining, and caspase inhibitor zVADfmk was used for rescue experiments. RESULTS: In type 2 diabetic patients, serum EPO level decreased with the duration of diabetes, which was linked to reduced kidney function. Human recombinant EPO supplementation ameliorated proteinuria in diabetic nephropathy patients. In zebrafish, loss-of-function studies for EPO and EPOR, showed morphological and functional alterations within the pronephros, adversely affecting pronephric structure, leading to slit diaphragm dysfunction by increasing apoptosis within the pronephros. Induction of hyperglycemia in zebrafish embryos induced pronephros alterations which were further worsened upon silencing of EPO expression. CONCLUSIONS: EPO was identified as a direct renal protective factor, promoting renal embryonic development and protecting kidneys from hyperglycemia induced nephropathy. PMID- 29203239 TI - Piperine induces osteoblast differentiation through AMPK-dependent Runx2 expression. AB - Piperine is an alkaloid responsible for the pungency of black pepper and long pepper. It is reported to have various biological actions such as anti-oxidative and anti-inflammatory, and aids cancer prevention. Antioxidants have been shown to promote osteoblast differentiation. However, osteoblast differentiation by piperine has not yet been elucidated. Piperine-induced expression of the osteogenic genes such as distal-less homeobox 5 (Dlx5), inhibitor of DNA binding 1 (Id1), and runt-related transcription factor 2 (Runx2) was investigated using RT-PCR. In addition, alkaline phosphatase (ALP) activity and mineralization was found to be increased by piperine treatment. Finally, we confirmed that piperine induced phosphorylation of AMPK in MC3T3-E1 cells. Taken together, these results demonstrate that piperine enhance osteoblast differentiation through AMPK phosphorylation in MC3T3-E1 cells. PMID- 29203240 TI - IL-13 regulates IL-17C expression by suppressing NF-kappaB-mediated transcriptional activation in airway epithelial cells. AB - The cytokine interleukin (IL)-17C is highly expressed in epithelial tissues and involved in innate immune responses; however, the regulation of IL-17C expression in the airways remains poorly understood. Here, we show that IL-1beta strongly induces both IL-17C mRNA and protein expression in primary normal human bronchial epithelial cells. Conversely, IL-13 significantly reduced the IL-1beta-induced IL 17C expression. Attenuation of the nuclear factor (NF)-kappaB-signaling pathway using an NF-kappaB-subunit p65-specific small-interfering RNA (siRNA), reduced IL 1beta-induced IL-17C expression, demonstrating the importance of NF-kappaB signaling in IL-17C regulation. The inhibitory effects of IL-13 on IL-17C expression were abolished when the Janus kinase (JAK)/signal transducer and activator of transcription 6 (STAT6)-signaling pathway was impaired, using either the JAK inhibitor ruxolitinib or a STAT6-specific siRNA. Western blot analysis demonstrated that IL-1beta promoted both IkappaB-alpha phosphorylation and degradation, and p65 nuclear translocation. Although IL-13 induced STAT6 phosphorylation and nuclear translocation, it did not affect the activation of the IL-1beta-mediated NF-kappaB-pathway. Using chromatin immunoprecipitation, we confirmed that IL-1beta enhanced p65 binding to regions within the IL-17C promoter that flank putative NF-kappaB-binding sites (-130/-120 and -157/-147). Interestingly, IL-13 treatment reduced the IL-1beta-mediated p65 binding to these regions. These findings demonstrate that NF-kappaB-mediated transcriptional mechanisms are critically involved in the IL-1beta-mediated IL-17C induction, and that IL-13 negatively regulates this induction by suppressing NF-kappaB-based transcriptional activation. PMID- 29203242 TI - An actin-based nucleoskeleton involved in gene regulation and genome organization. AB - In eukaryotic cells gene regulation is dependent on global genome organization. This is achieved, in response to favorable environmental conditions, through spatial redistribution of chromatin and changes in global epigenetic levels. This eventually drives movement of gene-rich chromatin loops and formation of DNA loops, consolidating neighborhoods of gene expression and silencing. One of the challenges for future work is to examine how these neighborhoods are formed and whether they host genes involved in the same cellular functions for sustained expression or silencing over time. In the present review, we summarize evidence that actin and actin-associated proteins regulate gene activity. Furthermore we discuss how these specific nuclear tasks in which actin is engaged are important to organize and consolidate the mammalian genome, ensuring gene activation and repression of gene programs important to establish cellular identity. We propose that these mechanisms are essential to control cellular development and differentiation. PMID- 29203241 TI - The splicing factor transformer2 (tra2) functions in the Drosophila fat body to regulate lipid storage. AB - Excess nutrients are stored as triglycerides mainly in the adipose tissue of an animal and these triglycerides are located in structures called lipid droplets. Previous genome-wide RNAi screens in Drosophila cells identified splicing factors as playing a role in lipid droplet formation. Our lab has recently identified the SR protein, 9G8, as an important factor in fat storage as decreasing its levels results in augmented triglyceride storage in the fat body. Previous in vitro studies have implicated 9G8 in the regulation of splicing of the sex determination gene doublesex (dsx) by binding to transformer (tra) and transformer2 (tra2); however, any function of these sex determination proteins in regulating metabolism is unknown. In this study, we have uncovered a role of tra2 to regulate fat storage in vivo. Inducing tra2dsRNA in the adult fat body resulted in an increase in triglyceride levels but had no effect on glycogen storage. Consistent with the triglyceride phenotype, tra2 knockdown flies lived longer under starvation conditions. In addition, this increase in triglycerides is due to more fat storage per cell and not an increase in the number of fat cells. Interestingly, the splicing of CPT1, an enzyme involved in the breakdown of lipids, was altered in flies with decreased tra2. The less-catalytically active isoform of CPT1 accumulated in tra2dsRNA flies suggesting a decrease in lipid breakdown, which is consistent with the increased triglyceride levels observed in these flies. Together, these results suggest a link between mRNA splicing, sex determination and lipid metabolism and may provide insight into the mechanisms underlying tissue-specific splicing and nutrient storage. PMID- 29203243 TI - Rottlerin upregulates DDX3 expression in hepatocellular carcinoma. AB - Rottlerin has been reported to exert its anti-tumor activity in various types of human cancers. However, the underlying molecular mechanism has not been fully elucidated. In the current study, we explored whether rottlerin exhibits its tumor suppressive function in hepatocellular carcinoma cells. Our MTT assay results showed that rottlerin inhibited cell growth in hepatocellular carcinoma cells. Moreover, we found that rottlerin induced cell apoptosis and caused cell cycle arrest at G1 phase. Furthermore, our wound healing assay result demonstrated that rottlerin retarded cell migration in hepatocellular carcinoma cells. Additionally, rottlerin suppressed cell migration and invasion. Notably, we found that rottlerin upregulated DDX3 expression and subsequently downregulated Cyclin D1 expression and increased p21 level. Importantly, down regulation of DDX3 abrogated the rottlerin-mediated tumor suppressive function, whereas overexpression of DDX3 promoted the anti-tumor activity of rottlerin. Our study suggests that rottlerin exhibits its anti-cancer activity partly due to upregulation of DDX3 in hepatocellular carcinoma cells. PMID- 29203244 TI - MicroRNA-126 alleviates endothelial cells injury in atherosclerosis by restoring autophagic flux via inhibiting of PI3K/Akt/mTOR pathway. AB - MicroRNAs (miRNAs) have emerged as critical modulators of ECs function and play a vital role in the development of cardiovascular disease. Among them, miR-126 is a crucial regulator of atherosclerosis. Endothelial cells (ECs) death and autophagy have been described in cells to cope with the progression of atherosclerosis. Hence, the aim of this study is to investigate the effects of miR-126 on atherosclerosis in oxidized low-density lipoprotein (ox-LDL)-stimulated human umbilical vein endothelial cells (HUVECs) and the potential roles of autophagy flux in these processes. Our results showed that miR-126 level was significantly reduced in ox-LDL-treated HUVECs and miR-126 overexpression induced by miR-126 mimics remarkably blocked ox-LDL-induced HUVECs injury as evidenced by the reduced cell viability, and the increased LDH release, caspase-3 activity and apoptosis ratio. In addition, ox-LDL increased LC3-II, Beclin 1, and p62 expressions in HUVECs, while these changes were nullified in the presence of treatment with bafilomycin A1 (BafA1, an inhibit autophagic flux inhibitor). However, we found that ox-LDL-induced impaired autophagy flux was recused by miR 126 mimics. Subsequently, we found that Bafi A1 pretreatment reversed the protection of miR-126 mimics against ox-LDL-induced HUVECs injury. Finally, our results showed that miR-126 mimics rescued ox-LDL-induced impaired autophagy flux through inhibiting PI3K/Akt/mTOR signaling. Taken together, our findings suggested that miR-126 alleviates ox-LDL-induced HUVECs injury through restoring autophagy flux via repressing PI3K/Akt/mTOR pathway, and further implicate the potential therapeutic targets to reverse atherosclerosis. PMID- 29203245 TI - KLF4 protects brain microvascular endothelial cells from ischemic stroke induced apoptosis by transcriptionally activating MALAT1. AB - In this study, we investigated the expression profile and functional role of Kruppel-like family of transcription factor 4 (KLF4) in mouse cerebral microvascular endothelial cells (MECs) after focal cerebral ischemia and in cultured b.End3 cells after oxygen-glucose deprivation (OGD). Its downstream regulation was also studied. Our data showed that KLF4 was significantly upregulated in the cerebral MECs after transient ischemic insult and in cultured b.End3 cells after 24 h OGD exposure. In in vitro b.End3 cell model, KLF4 shRNA significantly increased OGD-induced activation of caspase-3 and also increased OGD-induced b.End3 cell death. KLF4 shRNA substantially enhanced OGD induced Bim and Bax expression at mRNA and protein levels and also aggravated OGD induced upregulation of E-selectin, MCP-1 and IL-6. Bioinformatic analysis suggested that MALAT1 promoter has a possible KLF4 binding site. In this study, we validated this possible binding site and also demonstrated that enforced KLF4 expression increased MALAT1 transcription. Functionally, knockdown of MALAT1 phenocopied the effect of KLF4 shRNA on enhancing OGD induced cell apoptosis and OGD induced upregulation of pro-apoptotic factors and pro-inflammatory cytokines. Based on these findings, we infer that MALAT1 is a transcriptional target of KLF4 in its protective role in cerebral MECs after ischemic insult. PMID- 29203246 TI - The role of Protein Disulfide Isomerase and thiol bonds modifications in activation of integrin subunit alpha11. AB - Integrins belong to a family of transmembrane receptors that mediate cell migration and adhesion to ECM. Extracellular domains of integrin heterodimers contain cysteine-rich regions, which are potential sites of thiol-disulfide exchanges. Rearrangements of extracellular disulfide bonds regulate activation of integrin receptors by promoting transition from an inactive state into a ligand binding competent state. Modifications of integrin disulfide bonds dependent on oxidation-reduction can be mediated by Protein Disulfide Isomerse (PDI). This paper provides evidences that binding to integrin ligands initiate changes in free thiol pattern on cell surface and that thiol-disulfide exchange mediated by PDI leads to activation of integrin subunit alpha11. By employing co immunoprecipitation and confocal microscopy analysis we showed that alpha11beta1 and PDI create complexes bounded by disulfide bonds. Using surface plasmon resonance we provide biochemical evidence that PDI can interact directly with integrin subunit alpha11. PMID- 29203247 TI - Co-administration of APD668, a G protein-coupled receptor 119 agonist and linagliptin, a DPPIV inhibitor, prevents progression of steatohepatitis in mice fed on a high trans-fat diet. AB - Non-Alcoholic SteatoHepatitis (NASH) is the more severe form of Non-Alcoholic Fatty Liver Disease (NAFLD) and is characterized by the presence of hepatic steatosis, oxidative stress, inflammation, hepatocyte injury with or without fibrosis. Recently, GPR119 receptor has emerged as a novel therapeutic target for the treatment of dyslipidemia and non-alcoholic steatohepatitis. In the present study, we investigated the effect of APD668, a GPR119 agonist alone or in combination with linagliptin, a DPPIV inhibitor on the progression of steatohepatitis in mice fed on a high trans-fat diet. In this study, monotherapy with either APD668 or linagliptin caused a reduction in the levels of ALT, AST, glucose, cholesterol and epididymal fat mass but the effect was more pronounced upon treatment with combination of both drugs. On the other hand, combined treatment of APD668 with linagliptin demonstrated a non-significant additive effect in reduction of hepatic triglyceride (-78%) and cholesterol (-56%) compared to monotherapy groups. Moreover, co-administration of APD668 and linagliptin resulted in enhanced levels of active GLP-1 with additional benefit of significant synergistic decrease in body weight gain (-19%) in mice. We speculated that the enhanced effect observed with the combination treatment could be due to either 1) direct activation of GPR119 receptors present in liver and intestine or 2) enhanced active GLP-1 levels or 3) decreased degradation of GLP-1 in-vivo through DPPIV inhibition. Therefore, these findings clearly suggest that GPR119 receptor agonists in combination with DPPIV inhibitors may represent a promising therapeutic strategy for the treatment of non-alcoholic steatohepatitis. PMID- 29203248 TI - Vms1: A Cytosolic CAT-Tailing Antagonist to Protect Mitochondria. AB - In eukaryotes, a cytosolic ribosome quality control complex recycles erroneously stalled ribosomes and modifies faulty nascent chains by ubiquitination and by C terminal Ala- and Thr-extension (CAT-tailing). Reported recently in Cell, Izawa et al. identify cytosolic Vms1 (VCP/Cdc48-associated mitochondrial stress responsive 1) as an inhibitor of CAT-tailing, which prevents mitochondrial dysfunction caused by imported CAT-tailed polypeptides. PMID- 29203249 TI - Silent Acute Interstitial Nephritis: Suspicion Is the Key to Diagnosis. PMID- 29203250 TI - NFYB-induced high expression of E2F1 contributes to oxaliplatin resistance in colorectal cancer via the enhancement of CHK1 signaling. AB - As a third-generation platinum drug, oxaliplatin has been widely applied in colorectal cancer (CRC); however, acquired resistance to oxaliplatin has become a major obstacle. In the present study, we found that the nuclear transcription factor Y subunit beta (NFYB) and E2F transcription factor 1 (E2F1) expression levels were significantly higher in oxaliplatin-resistant DLD1 and RKO CRC (OR CRC) cells than in non-resistant cells. Additionally, highly expressed NFYB transactivated the E2F1 gene, which is important to maintain oxaliplatin resistance in OR-CRC cells. And Sirt1-dependent deacetylation suppresses the proapoptotic activity of E2F1 in OR-CRC cells. Through profiling the transcriptome of OR-CRC cells following E2F1 knockdown, CHK1 was identified as a target of E2F1. Deprivation of CHK1 sensitized OR-CRC cells to oxaliplatin. In vitro and in vivo phenotype experiments confirmed that an intact NFYB-E2F1-CHK1 axis was required to suppress oxaliplatin-induced apoptosis and maintain the tumorigenicity in OR-CRC cells. Knockdown of E2F1 in OR-CRC cells also decreased the expression of Pol kappa, which was essential for CHK1 activation. Consistently, a high level of NFYB, E2F1, or CHK1 predicted poor survival in CRC patients, especially with oxaliplatin treatment. Collectively, the NFYB-E2F1 pathway displays a crucial role in the chemoresistance of OR-CRC by inducing the expression and activation of CHK1, providing a possible therapeutic target for oxaliplatin resistance in CRC. PMID- 29203251 TI - Androgen receptor (AR) degradation enhancer ASC-J9(r) in an FDA-approved formulated solution suppresses castration resistant prostate cancer cell growth. AB - ASC-J9(r) is a recently-developed androgen receptor (AR)-degradation enhancer that effectively suppresses castration resistant prostate cancer (PCa) cell proliferation and invasion. The optimal half maximum inhibitory concentrations (IC50) of ASC-J9(r) at various PCa cell confluences (20%, 50%, and 100%) were assessed via both short-term MTT growth assays and long-term clonogenic proliferation assays. Our results indicate that the IC50 values for ASC-J9(r) increased with increasing cell confluency. The IC50 values were significantly decreased in PCa AR-positive cells compared to PCa AR-negative cells or in normal prostate cells. This suggests that ASC-J9(r) may function mainly via targeting the AR-positive PCa cells with limited unwanted side-effects to suppress the surrounding normal prostate cells. Mechanism dissection indicated that ASC-J9(r) might function via altering the apoptosis signals to suppress the PCa AR-negative PC-3 cells. Preclinical studies using multiple in vitro PCa cell lines and an in vivo mouse model with xenografted castration-resistant PCa CWR22Rv1 cells demonstrated that ASC-J9(r) has similar AR degradation effects when dissolved in FDA-approved solvents, including DMSO, PEG-400:Tween-80 (95:5), DMA:Labrasol:Tween-80 (10:45:45), and DMA:Labrasol:Tween-20 (10:45:45). Together, results from preclinical studies suggest a potential new therapy with AR degradation enhancer ASC-J9(r) may potentially be ready to be used in human clinical trials in order to better suppress PCa at later castration resistant stages. PMID- 29203252 TI - Occurrence and improvement of renal dysfunction and serum potassium abnormality during administration of liposomal amphotericin B in patients with hematological disorders: A retrospective analysis. AB - Liposomal amphotericin B (L-AMB) has the potential to cause two major adverse events, renal dysfunction and serum potassium abnormality; however, appropriate clinical management of these events remains unclear. We retrospectively analyzed data regarding 128 hematology patients who received L-AMB in our institute and examined the association between clinical characteristics and renal dysfunction or serum potassium abnormality. We found that the median weight-normalized dose of L-AMB was 2.69mg/kg and the median administration period was 16days. The overall occurrence rates of renal dysfunction and hypokalemia were 55.7% and 76.6%, respectively. Multivariate analysis revealed that pre-existing renal dysfunction (P=0.017) and concomitant use of nephrotoxic (P<0.0001) or antifungal drugs (P=0.012) were independent risk factors for renal dysfunction. A higher infusion volume did not mitigate the risk of renal dysfunction. Hypokalemia occurred significantly less often in men (P=0.028) and in patients who concomitantly used nephrotoxic drugs (P=0.013). Approximately 40% of the adverse events were improved at 30days after L-AMB termination and there was no significant association between these adverse events improvement and L-AMB dosage or infusion volume. Of note, hyperkalemia was observed in more patients who received allogeneic hematopoietic stem cell transplantation (P=0.0303) and concomitant treatment with nephrotoxic drugs (P=0.0281). These results suggest that imprudent reduction of L-AMB dose or redundant intravenous infusion may have minimal benefit for critical patients with suspected invasive fungal infection. PMID- 29203253 TI - Type 2 diabetes mellitus management among Ghanaian migrants resident in three European countries and their compatriots in rural and urban Ghana - The RODAM study. AB - AIMS: To compare Type 2 Diabetes Mellitus (T2DM) awareness, treatment and control between Ghanaians resident in Ghana and Europe. METHODS: Comparisons were made for the 530 participants of the Research on Obesity and Diabetes among African Migrants (RODAM) study with T2DM (25-70 years) living in Amsterdam, Berlin, London, urban Ghana and rural Ghana. We used logistic regression to assess disparities with adjustment for age, sex and education. RESULTS: T2DM awareness was 51% in rural Ghana. This was lower than levels in Europe ranging from 73% in London (age-sex adjusted odds ratio (OR) = 2.7; 95%CI = 1.2-6.0) to 79% in Amsterdam (OR = 4.7; 95%CI = 2.3-9.6). T2DM treatment was also lower in rural Ghana (37%) than in urban Ghana (56%; OR = 2.6; 95%CI = 1.3-5.3) and European sites ranging from 67% in London (OR = 3.4; 95%CI = 1.5-7.5) to 73% in Berlin (OR = 6.9; 95%CI = 2.9-16.4). In contrast, T2DM control in rural Ghana (63%) was comparable to Amsterdam and Berlin, but higher than in London (40%; OR = 0.4; 95%CI = 0.2-0.9) and urban Ghana (28%; OR = 0.3; 95%CI = 0.1-0.6). CONCLUSIONS: Our findings suggest that improved detection and treatment of T2DM in rural Ghana, and improved control for people with diagnosed T2DM in London and urban Ghana warrant prioritization. Further work is needed to understand the factors driving the differences. PMID- 29203254 TI - Ethnic dependent differences in diagnostic accuracy of glycated hemoglobin (HbA1c) in Canadian adults. AB - AIM: Previous studies have shown varying sensitivity and specificity of hemoglobin A1c (HbA1c) to identify diabetes and prediabetes, compared to 2-h oral glucose tolerance testing (OGTT) and fasting plasma glucose (FPG), in different ethnic groups. Within the Canadian population, the ability of HbA1c to identify prediabetes and diabetes in First Nations, Metis and Inuit, East and South Asian ethnic groups has yet to be determined. METHODS: We collected demographic, lifestyle information, biochemical results of glycemic status (FPG, OGTT, and HbA1c) from an ethnically diverse Canadian population sample, which included a purposeful sampling of First Nations, Metis, Inuit, South Asian and East Asian participants. RESULTS: Sensitivity and specificity using Canadian Diabetes Association (CDA) recommended cut-points varied between ethnic groups, with greater variability for identification of prediabetes than diabetes. Dysglycemia (prediabetes and diabetes) was identified with a sensitivity and specificity ranging from 47.1% to 87.5%, respectively in Caucasians to 24.1% and 88.8% in Inuit. Optimal HbA1c ethnic-specific cut-points for dysglycemia and diabetes were determined by receiver operating characteristic (ROC) curve analysis. CONCLUSIONS: Our sample showed broad differences in the ability of HbA1c to identify dysglycemia or diabetes in different ethnic groups. Optimal cut-points for dysglycemia or diabetes in all ethnic groups were substantially lower than CDA recommendations. Utilization of HbA1c as the sole biochemical diagnostic marker may produce varying degrees of false negative results depending on the ethnicity of screened individuals. Further research is necessary to identify and validate optimal ethnic specific cut-points used for diabetic screening in the Canadian population. PMID- 29203255 TI - Increasing prevalence of type 2 diabetes mellitus and impact of ethnicity in north Sudan. AB - BACKGROUND: Diabetes mellitus constitutes a global health threat, with increasing burden of disease in low and middle-income countries witnessing ongoing epidemiological transition including Sudan. AIMS: To study the prevalence of type 2 diabetes mellitus (T2DM) and prediabetes and determine the relationship to gender, age, waist circumference, body mass index, residence and ethnicity among the adult population in north Sudan. METHODS: A cross-sectional, population-based study in Northern State and River Nile State using random multi-stage cluster sampling targeting 5376 participants from 14 localities divided into 60 urban and 40 rural clusters. In each cluster, 60 households were studied. Blood glucose level and anthropometric measurements were recorded and a questionnaire containing demographic data was obtained from each participant. RESULTS: The prevalence of T2DM among participants was 18.7% and prediabetes was 12.9%. Among people living with T2DM, 694(71.0%) were known cases of T2DM, whereas 284(29.0%) were newly diagnosed cases. The significant associated risk factors for T2DM included urban residence (AOR 1.23, 95%CI 1.09-1.41), age above 60 years (AOR 4.77, 95%CI 4.04-5.63), obese BMI (AOR 1.26, 95%CI 1.03-1.55) and central obesity (AOR 1.39, 95%CI 1.14-1.68). Compared to indigenous population, individuals of Egyptian descents (AOR 1.28, 95%CI 1.04-1.57) and mixed origin (AOR 1.24, 95%CI 1.04-1.48) had increased risk of T2DM. CONCLUSION: The prevalence of T2DM and prediabetes in north Sudan have increased significantly since 1996 with variations between ethnicities which showed to be an independent risk factor for T2DM. Health authorities are recommended to set plans to meet the health needs of these communities. PMID- 29203256 TI - Relationship between several surrogate estimates of insulin resistance and a direct measure of insulin-mediated glucose disposal: Comparison of fasting versus post-glucose load measurements. AB - AIMS: The study aim was to determine the correlation of several surrogate estimates of insulin resistance with a direct measure of insulin action and the ability of these estimates to identify insulin resistant persons. METHODS: Retrospective analysis of 454 apparently healthy individuals studied in a clinical research center. The correlations between 11 surrogate estimates of insulin resistance, using either fasting or post-oral glucose challenge values, and a direct measure of insulin-mediated glucose uptake (SSPG concentration during the Insulin Suppression Test) were determined as well as the ability of the surrogate estimates to identify insulin resistant individuals. RESULTS: All surrogate estimates were significantly (P < .001) correlated with SSPG concentrations and successfully identified insulin resistant persons. These relationships were of lesser magnitude when estimates were based on fasting data, with the exception of the McAuley index-derived from fasting data, but resembling post-glucose challenge estimates. Moreover, correlation with SSPG concentration, and positive identification of insulin resistance, varied considerably among estimates. CONCLUSION: All 11 surrogate estimates of insulin resistance significantly correlated with insulin-mediated glucose disposal and identified insulin resistant persons with a reasonable degree of sensitivity and specificity. For identification of insulin resistant individuals, indices based on post-glucose challenge measurements performed better than those based on fasting measurements, with the exception of McAuley index. The quantitative information derived from this analysis should help investigators select the surrogate marker of insulin resistance best suited for their study. PMID- 29203257 TI - The contribution of illness perceptions and metacognitive beliefs to anxiety and depression in adults with diabetes. AB - AIMS: Anxiety and depression are highly prevalent in people with diabetes (PwD). The most widely used psychological model to explain anxiety and depression in PwD is the Common-Sense Model, which gives a central role to illness perceptions. The Self-Regulatory Executive Function (S-REF) model proposes metacognitive beliefs are key to understanding the development and maintenance of emotional disorders. To test the potential utility of the S-REF model in PwD, the study explored if metacognitive beliefs explained additional variance in anxiety and depression after controlling for demographic and illness perceptions. METHODS: 614 adults with either Type 1 (n = 335) or Type 2 (n = 279) diabetes participated in a cross sectional online survey. All participants completed questionnaires on anxiety, depression, illness perceptions and metacognitive beliefs. RESULTS: Regression analyses showed that metacognitive beliefs were associated with anxiety and depression in PwD and explained additional variance in both anxiety and depression after controlling for demographics and illness perceptions. CONCLUSIONS: This is the first study to demonstrate that metacognitive beliefs are associated with anxiety and depression in PwD. The clinical implications of the study are illustrated. PMID- 29203258 TI - The importance, impact and influence of group clinical supervision for graduate entry nursing students. AB - This paper will report on an evaluation of group clinical supervision (CS) facilitated for graduate entry nursing (GEN) students whilst on clinical placement. The literature suggests educational forums which enable GEN students to engage in critical dialogue, promote reflective practice and ongoing support are an essential element of GEN curricula. The model of supervision employed was informed by Proctor's three function interactive CS model and Inskipp and Proctor's Supervision Alliance. Both emphasise the normative, formative and restorative functions of CS as task areas within an overarching humanistic supervisory approach. The three-function model informed the design of a questionnaire which intended to measure their importance, impact and influence through both structured and open-ended questions. Findings suggest the restorative function of supervision is most valued and is facilitated in an environment where humanistic principles of non-judgement, empathy and trust are clearly present. Also the opportunity to learn from others, consider alternative perspectives and question personal assumptions regarding capability and confidence are a priority for this student group. It is suggested that the restorative function of CS should be prioritised within future developments and models which view this function as a key purpose of CS should be explored. PMID- 29203259 TI - Multicentre study of patient-reported and clinical outcomes following immediate and delayed Autologous Breast Reconstruction And Radiotherapy (ABRAR study). AB - BACKGROUND: Timing of autologous breast reconstruction in patients requiring adjuvant radiotherapy remains contentious. The primary objective of this study was to assess clinical and patient reported outcomes in immediate reconstruction with radiotherapy compared to delayed reconstruction after radiotherapy, the two relevant clinical pathways for patients who need radiotherapy. METHODS: This retrospective UK multi-centre study grouped patients into three categories: immediate reconstruction with post-operative radiotherapy (IBR); delayed reconstruction after radiotherapy (DBR); control group of immediate reconstruction without radiotherapy (noRT). Data collection utilised clinician questionnaire, patient questionnaire (BreastQ) and medical examination. Examination assessed fat necrosis, texture, symmetry and overall result. RESULTS: 412 patients were recruited (IBR 104; DBR 119; noRT 189) with median follow-up time of 57 months. Post-operative complications were higher in IBR & noRT (p <0.001). Total number of operations for completion of reconstruction was similar in all groups. Completion of reconstruction after mastectomy was three years longer in DBR versus IBR. BreastQ domain scores were lower in IBR versus DBR and noRT (p <0.01) but all scores were within acceptable range (satisfaction with outcome: IBR 71; DBR 85; noRT 81). Examination scores were similar for IBR and DBR but lower than noRT (p <0.01). Correlation between BreastQ and examination scores was poor. CONCLUSIONS: Acceptable results are observed with either IBR or DBR, with high rates of patient and clinician satisfaction, low rates of complications, and a similar number of operations to complete reconstruction in all groups suggesting all options should be considered for patients. PMID- 29203260 TI - The Helsinki Face Transplantation: Surgical aspects and 1-year outcome. AB - BACKGROUND: Since 2005, at least 38 facial transplantations have been performed worldwide. We herein describe the surgical technique and 1-year clinical outcome in Finland's first face transplant case. METHODS: A 34-year-old male who had a severe facial deformity following ballistic trauma in 1999 underwent facial transplantation at the Helsinki University Hospital on 8th February 2016. Three dimensional (3D) technology was used to manufacture donor and recipient patient specific osteotomy guides and a donor face mask. The facial transplant consisted of a Le Fort II maxilla, central mandible, lower 2/3 of the midface muscles, facial and neck skin, oral mucosa, anterior tongue and floor of mouth muscles, facial nerve (three bilateral branches), and bilateral hypoglossal and buccal nerves. RESULTS: At 1-year follow-up, there have thus far been no clinical or histological signs of rejection. The patient has a good aesthetic outcome with symmetrical restoration of the mobile central part of the face, with recovery of pain and light touch sensation to almost the entire facial skin and intraoral mucosa. Electromyography at 1 year has confirmed symmetrical muscle activity in the floor of the mouth and facial musculature, and the patient is able to produce spontaneous smile. Successful social and psychological outcome has also been observed. Postoperative complications requiring intervention included early (nasopalatinal fistula, submandibular sialocele, temporomandibular joint pain and transient type 2 diabetes) and late (intraoral wound and fungal infection, renal impairment and hypertension) complications. CONCLUSION: At 1 year, we report an overall good functional outcome in Finland's first face transplant. PMID- 29203261 TI - Preoperative Computed Tomography-Guided Pulmonary Lesion Marking in Preparation for Fluoroscopic Wedge Resection-Rates of Success, Complications, and Pathology Outcomes. AB - PURPOSE: In this study, we describe our experience of lesion marking with fiducial markers (FM) and microcoils (MC) facilitating same-day surgical wedge resection, including success rates, pathology outcomes, and complications. We also explored patient/nodular characteristics associated with developing complications. MATERIALS AND METHODS: An IRB-approved single-institutional retrospective study of 136 patients who had 148 pulmonary nodules was conducted. All patients had CT-guided pulmonary nodule labeling with either FM (121) or MC (15) patients with plan for same-day fluoroscopic-guided wedge resection. RESULTS: Of 136 (98%) patients, 133 had successful same-day wedge resection as planned; 2 had delayed but successful wedge resection surgery due to complications at the time of marker placement (fiducial embolization and hemorrhage/pneumothorax, respectively). A third patient ultimately needed lobectomy due to deep lesion location. Eighty percent [118/148] of resected nodules were malignant. Further, 68% of the total group of patients [93/136] had mild complications of various types including hemorrhage [44/136, 32%], pneumothorax [35/136, 26%], a combination of both hemorrhage and pneumothorax [10/136, 7%], or migration/embolization [4/136, 3%]. Depth of nodule from skin (P = 0.011) and pleura (P = 0.027) was significantly associated with complications. CONCLUSION: CT-guided marking of small or deep pulmonary lesions using either fiducial markers or microcoils provides an effective means to aid surgeons to accomplish minimally invasive wedge resection. The importance of the success of this technique is supported by the high incidence (80%) of malignant lesion etiology found at postresection pathology. Although complications occurred, the vast majority were mild and did not alter planned same-day resection. PMID- 29203262 TI - Computed Tomography Coronary Angiography for Evaluation of Children With Kawasaki Disease. AB - OBJECTIVE: We sought to assess the feasibility of computed tomography coronary angiography (CTCA) on a 128-slice, dual source scanner in children with acute and convalescent phase Kawasaki disease (KD). MATERIALS AND METHODS: A prospective study of 49 children with KD (12 at presentation and 37 in the convalescent phase) was conducted between November 2013 and April 2015. CTCA was performed with either prospective (n = 37) or retrospective (n = 12) electrocardiographic gating. A radiologist blinded to clinical profile and echocardiogram evaluated each scan. RESULTS: Median age (36 boys and 13 girls) was 7 years. Median dose length product value and median effective CT radiation dose was 32mGycm (interquartile range [IQR]: 21-74) and 0.54 miliSieverts (mSv) (IQR: 0.77-3.2) for all scans, and 27mGycm (IQR: 18.5-33.75) and 0.48mSv (IQR: 0.18-1.17) for prospectively triggered scans (n = 37). Fourteen subjects (30 coronary segments) showed abnormalities by CTCA including aneurysms (n = 27) and stenoses (n = 3). In the acute phase (n = 12), aneurysms were detected in 5 children (18 segments). CONCLUSION: CTCA allows comprehensive evaluation of coronary arteries in children with KD. PMID- 29203263 TI - Use of Shoulder Imaging in the Outpatient Setting: A Pilot Study. AB - PURPOSE: Characterize the clinical utility of diagnostic shoulder imaging modalities commonly used in the outpatient workup of shoulder pain. MATERIALS/METHODS: Retrospective review of adults imaged for outpatient shoulder pain from 1/1/2013 to 9/1/2015. To be categorized as "useful", a study had to meet one of the following criteria: change the clinical diagnosis or treatment plan, provide a final diagnosis, or guide definitive treatment. A utility score was assigned to each study based on the number of utility criteria met (range 0 4). A score of 1 was considered low utility; a score of greater than or equal to 2 was considered high utility. Statistical analysis included binary logistic regression and generalized estimating equations. RESULTS: 210 subjects (65% male); mean age 47 (range 18-84), underwent 302 imaging studies (159 X-ray, 137 MRI, 2 CT, 4 ultrasound) during the study period. 92.1% of all studies met minimum criteria for utility (score >1). Most commonly, diagnostic studies obtained during the outpatient workup of shoulder pain were found to guide definitive treatment (70.5%) or provide a final diagnosis (53%). Most X-rays were categorized as no or low utility (85.5%). 97.8% of the MRI studies were categorized as useful with most being high utility (73%). Overall, MRI was the most useful modality in all clinical scenarios (P = 0.002) and more likely to be high utility (P < 0.001) compared to X-rays. None of the investigated patient or injury characteristics were significant predictors of useful imaging. CONCLUSION: Our study suggests that both radiographs and MRI are useful in the evaluation of adult unilateral shoulder pain in the outpatient setting. MRI appears to be the most useful imaging modality in terms of helping guide diagnosis and treatment selection. This serves as a potential first step towards the development of evidence based imaging algorithms that can be used and tested in future studies. PMID- 29203264 TI - Identification of genes regulating GABAergic interneuron maturation. AB - During embryonic development, GABAergic interneurons, a main inhibitory component in the cerebral cortex, migrate tangentially from the ganglionic eminence (GE) to cerebral cortex. After reaching the cerebral cortex, they start to extend their neurites for constructing local neuronal circuits around the neonatal stage. Aberrations in migration or neurite outgrowth are implicated in neurological and psychiatric disorders such as epilepsy, schizophrenia and autism. Previous studies revealed that in the early phase of cortical development the neural population migrates tangentially from the GE in the telencephalon and several genes have been characterized as regulators of migration and specification of GABAergic interneurons. However, much less is known about the molecular mechanisms of GABAergic interneurons-specific maturation at later stages of development. Here, we performed genome-wide screening to identify genes related to the later stage by flow cytometry based-microarray (FACS-array) and identified 247 genes expressed in cortical GABAergic interneurons. Among them, Dgkg, a member of diacylglycerol kinase family, was further analyzed. Correlational analysis revealed that Dgkg is dominantly expressed in somatostatin (SST) expressing GABAergic interneurons. The functional study of Dgkg using GE neurons indicated alteration in neurite outgrowth of GABAergic neurons. This study shows a new functional role for Dgkg in GABAergic interneurons as well as the identification of other candidate genes for their maturation. PMID- 29203265 TI - A low blood copper concentration is a co-morbidity burden factor in Parkinson's disease development. AB - Parkinson's disease (PD) patients are often characterized by copper dyshomeostasis, which is responsible for ROS formation and fibrillogenesis. However, the relationships between copper metabolism and PD development are unclear. In this study in 50 patients with PD (pPD) and 50 age-matched healthy individuals, the serum total copper concentration, oxidase activity, ceruloplasmin and SOD3 protein concentrations were measured; and amount of copper atoms per ceruloplasmin molecule was calculated. These parameters were lower in pPD relatively to healthy volunteers. Decrease in concentrations of SOD3, ceruloplasmin, and copper but increase of interleukin-6 levels were associated with a risk of PD. Two consistent patterns were identified. First, a low serum copper concentration related with PD development and predominantly affected the non-motor symptoms of PD. There was no correlation between copper concentration and ceruloplasmin oxidase activity level (r = 0.27) in pPD. Second, Chelex 100 treatment revealed that pPD ceruloplasmin compared with ceruloplasmin of healthy individuals displayed smaller content of labile copper atoms. The presence or absence of these atoms had no effect on ceruloplasmin enzymatic activities. Our findings suggest that cuproenzyme deficiency, which is typical for PD, can be caused by violation of metabolic incorporation of the labile copper atoms into ceruloplasmin molecule. PMID- 29203266 TI - Addiction: A multi-determined chronic disease. PMID- 29203267 TI - The significance of diminished sTWEAK and P-selectin content in platelets of patients with pulmonary arterial hypertension. AB - Pulmonary arterial hypertension (PAH) is a progressive disease characterized by proliferative changes in pulmonary arteries. There is growing evidence suggesting that soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK) and P selectin could be involved in PAH development and progression. Here we investigate whether circulating platelets may be a source of sTWEAK and contribute to diminished availability of sTWEAK and P-selectin in PAH patients. We have prospectively enrolled two independent study groups of stable patients with confirmed PAH and age matched controls: derivation (10 PAH; 15 controls) and validation (20 PAH; 12 controls). P-selectin and sTWEAK concentrations were measured in platelet-poor plasma and platelet lysate. To avoid procedural bias, in each group we employed different protocols for platelet isolation. Consistently, both in derivation and validation groups PAH patients presented significantly lower sTWEAK content in platelets than control group with no significant differences in plasma levels. Similarly, patients presented comparable to controls plasma P-selectin concentrations and lower concentration in platelet lysate. Kaplan-Meier analysis revealed that patients with low platelet sTWEAK/total protein concentration ratio had more frequently detoriation of PAH in the follow-up (16.51 +/- 3.32 months), log-rank test, p = .03. Patients diagnosed with pulmonary arterial hypertension present diminished sTWEAK and P selectin storage capacity in platelets. Thrombocytes appear to be a major source of sTWEAK that could be released upon local injury and its decreased availability could have an impact on pathophysiology and prognosis in PAH. PMID- 29203268 TI - Efficacy and Safety of Blue Light Flexible Cystoscopy with Hexaminolevulinate in the Surveillance of Bladder Cancer: A Phase III, Comparative, Multicenter Study. AB - PURPOSE: We compared blue light flexible cystoscopy with white light flexible cystoscopy for the detection of bladder cancer during surveillance. MATERIALS AND METHODS: Patients at high risk for recurrence received hexaminolevulinate intravesically before white light flexible cystoscopy and randomization to blue light flexible cystoscopy. All suspicious lesions were documented. Patients with suspicious lesions were referred to the operating room for repeat white and blue light cystoscopy. All suspected lesions were biopsied or resected and specimens were examined by an independent pathology consensus panel. The primary study end point was the proportion of patients with histologically confirmed malignancy detected only with blue light flexible cystoscopy. Additional end points were the false-positive rate, carcinoma in situ detection and additional tumors detected only with blue light cystoscopy. RESULTS: Following surveillance 103 of the 304 patients were referred, including 63 with confirmed malignancy, of whom 26 had carcinoma in situ. In 13 of the 63 patients (20.6%, 95% CI 11.5-32.7) recurrence was seen only with blue light flexible cystoscopy (p <0.0001). Five of these cases were confirmed as carcinoma in situ. Operating room examination confirmed carcinoma in situ in 26 of 63 patients (41%), which was detected only with blue light cystoscopy in 9 of the 26 (34.6%, 95% CI 17.2-55.7, p <0.0001). Blue light cystoscopy identified additional malignant lesions in 29 of the 63 patients (46%). The false-positive rate was 9.1% for white and blue light cystoscopy. None of the 12 adverse events during surveillance were serious. CONCLUSIONS: Office based blue light flexible cystoscopy significantly improves the detection of patients with recurrent bladder cancer and it is safe when used for surveillance. Blue light cystoscopy in the operating room significantly improves the detection of carcinoma in situ and detects lesions that are missed with white light cystoscopy. PMID- 29203269 TI - Clinically Localized Prostate Cancer: AUA/ASTRO/SUO Guideline. Part I: Risk Stratification, Shared Decision Making, and Care Options. AB - PURPOSE: This guideline is structured to provide a clinical framework stratified by cancer severity to facilitate care decisions and guide the specifics of implementing the selected management options. The summary presented represents Part I of the two-part series dedicated to Clinically Localized Prostate Cancer: AUA/ASTRO/SUO Guideline discussing risk stratification and care options by cancer severity. MATERIALS AND METHODS: The systematic review utilized in the creation of this guideline was completed by the Agency for Healthcare Research and Quality and through additional supplementation by ECRI Institute. This review included articles published between January 2007 and March 2014 with an update search conducted through August 2016. When sufficient evidence existed, the body of evidence for a particular treatment was assigned a strength rating of A (high), B (moderate), or C (low) for support of Strong, Moderate, or Conditional Recommendations. Additional information is provided as Clinical Principles and Expert Opinions (table 2 in supplementary unabridged guideline, http://jurology.com/). RESULTS: The AUA (American Urological Association), ASTRO, and SUO (Society of Urologic Oncology) formulated an evidence-based guideline based on a risk stratified clinical framework for the management of localized prostate cancer. CONCLUSIONS: This guideline attempts to improve a clinician's ability to treat patients diagnosed with localized prostate cancer, but higher quality evidence in future trials will be essential to improve the level of care for these patients. In all cases, patient preferences should be considered when choosing a management strategy. PMID- 29203270 TI - B-1 cells upregulate CD8 T lymphocytes and increase proinflammatory cytokines serum levels in oral encephalitozoonosis. AB - Microsporidia are intracellular pathogens that cause severe disease in immunocompromised humans and animals. We recently demonstrated that XID mice are more susceptible to Encephalitozoon cuniculi infection by intraperitoneal route, evidencing the role of B-1 cells in resistance against infection. The present study investigated the resistance and susceptibility against E. cuniculi oral infection, including the role of B-1 cells. BALB/c and BALB/c XID (B-1 cells deficient) mice were orally infected with E. cuniculi spores. No clinical symptoms were observed in infected animals; histopathology showed lymphoplasmocytic enteritis with degeneration of the apexes of the villi in all infected groups. Higher parasite burden was observed in infected BALB/c XID mice. In the spleen and peritoneum, all infected mice showed a decrease of lymphocytes, including CD8+ T cells, mostly in infected BALB/c XID mice. Adoptive transfer of B-1 cells (XID + B-1) was associated with a lower parasite burden. Pro inflammatory cytokines (IFN-gamma, TNF-alpha and IL-6) increased mostly in infected XID + B1 mice. Together, the present results showed that BALB/c XID mice infected by the oral route were more susceptible to encephalitozoonosis than BALB/c mice, demonstrating the B-1 cells importance in the control of the immune response against oral E. cuniculi infection. PMID- 29203272 TI - Comparison of the inducible effects of licorice products with or without heat processing and pre-treatment with honey on granulocyte colony-stimulating factor secretion in cultured enterocytes. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Licorice (the roots and rhizomes of Glycyrrhiza uralensis Fisch.) is occasionally used as crude drug following processing including roasting or honey-roasting (soaking with honey before roasting) in traditional Japanese Kampo medicine and traditional Chinese medicine (TCM). AIM OF THE STUDY: We investigated the differences in the inducible effect of processed licorice products on granulocyte colony-stimulating factor (G-CSF) secretion in cultured intestinal epithelial cells and elucidated the active ingredients in both unprocessed and processed licorice products. MATERIALS AND METHODS: We prepared heat-processed licorice with or without pretreatment with honey, and fractionated the extracts by Sephadex G-100. Enterocyte-like differentiated MCE301 cells were incubated in media comprising a hot water extract of licorice products for 24h, and the concentrations of G-CSF in the media were measured using enzyme-linked immunosorbent assay (ELISA). RESULTS: Licorice extract induced G-CSF secretion in MCE301 cells, and the active ingredients of licorice were high molecular compounds. Although the roasted licorice extract exhibited the activity similar to that of the unprocessed licorice extract, honey-roasted licorice extracts exhibited a significantly higher inducible effect on G-CSF secretion in the cells than that of unprocessed or roasted licorice extracts without pretreatment with honey. This enhanced activity was dependent on the temperature and heating time. CONCLUSIONS: The enhanced inducible effect of honey-roasted licorice on G-CSF secretion might be attributed to the combined effect of licorice-derived high molecular compounds and heated-honey-derived compounds. The results of this study can scientifically explain the objective of processing via honey-roasting in TCM theory. PMID- 29203271 TI - Concepts and advances in cancer therapeutic vulnerabilities in RAS membrane targeting. AB - For decades oncogenic RAS proteins were considered undruggable due to a lack of accessible binding pockets on the protein surfaces. Seminal early research in RAS biology uncovered the basic paradigm of post-translational isoprenylation of RAS polypeptides, typically with covalent attachment of a farnesyl group, leading to isoprenyl-mediated RAS anchorage at the plasma membrane and signal initiation at those sites. However, the failure of farnesyltransferase inhibitors to translate to the clinic stymied anti-RAS therapy development. Over the past ten years, a more complete picture has emerged of RAS protein maturation, intracellular trafficking, and location, positioning and retention in subdomains at the plasma membrane, with a corresponding expansion in our understanding of how these properties of RAS contribute to signal outputs. Each of these aspects of RAS regulation presents a potential vulnerability in RAS function that may be exploited for therapeutic targeting, and inhibitors have been identified or developed that interfere with RAS for nearly all of them. This review will summarize current understanding of RAS membrane targeting with a focus on highlighting development and outcomes of inhibitors at each step. PMID- 29203274 TI - The effect of a modular education program for children with epilepsy and their parents on disease management. AB - OBJECTIVE: The objective of this study was to evaluate the efficacy of Modular Education Program for Children with Epilepsy and Their Parents on disease management. The program was prepared by researchers in an interdisciplinary team. METHOD: Children with epilepsy and their parents were included in a randomized controlled study using a pre-posttest design. All participants of the modular education program (n=184 (92 children and their 92 parents')) answered a lot of scales immediately before the program. The researcher presented the modular education program, which included eight modules (four for the children and four for the parents), to the children and parents in the intervention group using interactive teaching methods. And all participants of the modular education program answered all scales immediately after the program and one-month, three month follow-ups. The control group not participating in the modular education program (n=100 (50 children, 50 parents)) also answered all scales in all follow ups. Scales used the study comprised epilepsy-specific outcome measures (e.g., knowledge, self-efficacy related to seizures, quality of life and anxiety). The statistical analyses of the study data were performed using SAS 9.3 software. RESULTS: Children in intervention group significantly improved in knowledge (p<0.001), self-efficacy about seizures (p<0.001), and quality of life (p<0.001) compared with the control group. The parents in the intervention group also significantly improved in knowledge about epilepsy (p<0.001) compared with the control group. However, anxiety of the parents in the intervention group significantly increased (p<0.001). CONCLUSION: The efficacy of the Modular Education Program for Children with Epilepsy and Their Parents on disease management was confirmed. The results indicate that using interactive teaching methods help children with epilepsy and their parents in improving knowledge, self-efficacy about seizures and quality of life. All health professionals who work with children with epilepsy and their parents should provide these modular education programs regularly. PMID- 29203273 TI - The traditional use of Vachellia nilotica for sexually transmitted diseases is substantiated by the antiviral activity of its bark extract against sexually transmitted viruses. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Vachellia (Acacia) nilotica and other plants of this genus have been used in traditional medicine of Asian and African countries to treat many disorders, including sexually transmitted diseases, but few studies were performed to validate their anti-microbial and anti-viral activity against sexually transmitted infections. AIM OF THE STUDY: The present study was undertaken to explore whether the ethnomedical use of V.nilotica to treat genital lesions is substantiated by its antiviral activity against the human immunodeficiency virus (HIV), the herpes simplex virus (HSV) and the human papillomavirus (HPV). MATERIALS AND METHODS: The antiviral activity of V.nilotica was tested in vitro by virus-specific inhibition assays using HSV-2 strains, sensible or resistant to acyclovir, HIV-1IIIb strain and HPV-16 pseudovirion (PsV). The potential mode of action of extract against HSV-2 and HPV-16 was further investigated by virus inactivation and time-of-addition assays on cell cultures. RESULTS: V.nilotica chloroform, methanolic and water bark extracts exerted antiviral activity against HSV-2 and HPV-16 PsV infections; among these, methanolic extract showed the best EC50s with values of 4.71 and 1.80ug/ml against HSV-2 and HPV-16, respectively, and it was also active against an acyclovir-resistant HSV-2 strain with an EC50 of 6.71ug/ml. By contrast, no suppression of HIV infection was observed. Investigation of the mechanism of action revealed that the methanolic extract directly inactivated the infectivity of the HPV-16 particles, whereas a partial virus inactivation and interference with virus attachment (EC50 of 2.74ug/ml) were both found to contribute to the anti-HSV-2 activity. CONCLUSIONS: These results support the traditional use of V.nilotica applied externally for the treatment of genital lesions. Further work remains to be done in order to identify the bioactive components. PMID- 29203275 TI - Sulfur mustard skin lesions: A systematic review on pathomechanisms, treatment options and future research directions. AB - Sulfur mustard (SM) is a chemical warfare, which has been used for one hundred years. However, its exact pathomechanisms are still incompletely understood and there is no specific therapy available so far. In this systematic review, studies published between January 2000 and July 2017 involving pathomechanisms and experimental treatments of SM-induced skin lesions were analyzed to summarize current knowledge on SM pathology, to provide an overview on novel treatment options, and to identify promising targets for future research to more effectively counter SM effects. We suggest that future studies should focus on (I) systemic effects of SM intoxication due to its distribution throughout the body, (II) removal of SM depots that continuously release active compound contributing to chronic skin damage, and (III) therapeutic options that counteract the pleiotropic effects of SM. PMID- 29203276 TI - Effect of UGT2B7*2 and CYP2C8*4 polymorphisms on diclofenac metabolism. AB - The use of diclofenac is associated with rare but severe drug-induced liver injury (DILI) in a very small number of patients. The factors which predispose susceptible patients to hepatotoxicity of diclofenac are still incompletely understood. Formation of protein-reactive metabolites by UDP-glucuronosyl transferases and cytochromes P450 is commonly considered to play an important role, as indicated by the detection of covalent protein adducts and antibodies in the serum of patients suffering from diclofenac-induced liver injury. Since no associations have been found with HLA-alleles, polymorphisms of genes encoding for proteins involved in the disposition of diclofenac may be important. Previous association studies showed that possession of the UGT2B7*2 and CYP2C8*4 alleles is more common in cases of diclofenac-induced DILI. In the present study, the metabolism of diclofenac by UGT2B7*2 and CYP2C8*4 was compared with their corresponding wild-type enzymes. Enzyme kinetic analysis revealed that recombinant UGT2B7*2 showed an almost 6-fold lower intrinsic clearance of diclofenac glucuronidation compared to UGT2B7*1. The mutant CYP2C8*4 showed approximately 35% reduced activity in the 4'-hydroxylation of diclofenac acyl glucuronide. Therefore, a decreased hepatic exposure to diclofenac acyl glucuronide is expected in patients with the UGT2B7*2 genotype. The increased risk for hepatotoxicity, therefore, might be the result from a shift to oxidative bioactivation to cytotoxic quinoneimines. PMID- 29203277 TI - Transcriptomic study of the toxic mechanism triggered by beauvericin in Jurkat cells. AB - Beauvericin (BEA), an ionophoric cyclic hexadepsipeptide mycotoxin, is able to increase oxidative stress by altering membrane ion permeability and uncoupling oxidative phosphorylation. A toxicogenomic study was performed to investigate gene expression changes triggered by BEA exposure (1.5, 3 and 5 MUM; 24 h) in Jurkat cells through RNA-sequencing and differential gene expression analysis. Perturbed gene expression was observed in a concentration dependent manner, with 43 differentially expressed genes (DEGs) overlapped in the three studied concentrations. Gene ontology (GO) analysis showed several biological processes related to electron transport chain, oxidative phosphorylation, and cellular respiration significantly altered. Molecular functions linked to mitochondrial respiratory chain and oxidoreductase activity were over-represented (q-value < 0.01). Pathway analysis revealed oxidative phosphorylation and electron transport chain as the most significantly altered pathways in all studied doses (z-score > 1.96; adj p-value < 0.05). 77 genes involved in the respiratory chain were significantly down-regulated at least at one dose. Moreover, 21 genes related to apoptosis and programmed cell death, and 12 genes related to caspase activity were significantly altered, mainly affecting initiator caspases 8, 9 and 10. The results demonstrated BEA-induced mitochondrial damage affecting the respiratory chain, and pointing to apoptosis through the caspase cascade in human lymphoblastic T cells. PMID- 29203278 TI - Importance of tau in cognitive decline as revealed by developmental exposure to lead. AB - Previous reports by us have determined that developmental exposure to the heavy metal lead (Pb) resulted in cognitive impairment in aging wildtype mice, and a latent induction in biomarkers associated with both the tau and amyloid pathways. However, the relationship between these two pathways and their correlation to cognitive performance needs to be scrutinized. Here, we investigated the impact of developmental Pb (0.2%) exposure on the amyloid and tau pathways in a transgenic mouse model lacking the tau gene. Cognitive function, and levels of intermediates in the amyloid and tau pathways following postnatal Pb exposure were assessed on young adult and mature transgenic mice. No significant difference in behavioral performance, amyloid precursor protein (APP), or amyloid beta (Abeta) levels was observed in transgenic mice exposed to Pb. Regulators of the tau pathway were impacted by the absence of tau, but no additional change was imparted by Pb exposure. These results revealed that developmental Pb exposure does not cause cognitive decline or change the expression of the amyloid pathway in the absence of tau. The essentiality of tau to mediate cognitive decline by environmental perturbations needs further investigation. PMID- 29203279 TI - Homeostatic Cell Growth Is Accomplished Mechanically through Membrane Tension Inhibition of Cell-Wall Synthesis. AB - Feedback mechanisms are required to coordinate balanced synthesis of subcellular components during cell growth. However, these coordination mechanisms are not apparent at steady state. Here, we elucidate the interdependence of cell growth, membrane tension, and cell-wall synthesis by observing their rapid re coordination after osmotic shocks in Gram-positive bacteria. Single-cell experiments and mathematical modeling demonstrate that mechanical forces dually regulate cell growth: while turgor pressure produces mechanical stress within the cell wall that promotes its expansion through wall synthesis, membrane tension induces growth arrest by inhibiting wall synthesis. Tension inhibition occurs concurrently with membrane depolarization, and depolarization arrested growth independently of shock, indicating that electrical signals implement the negative feedback characteristic of homeostasis. Thus, competing influences of membrane tension and cell-wall mechanical stress on growth allow cells to rapidly correct for mismatches between membrane and wall synthesis rates, ensuring balanced growth. PMID- 29203280 TI - Reduced post-stroke glial scarring in the infant primate brain reflects age related differences in the regulation of astrogliosis. AB - Ischemic stroke remains a leading cause of disability worldwide. Surviving patients often suffer permanent neurological impairments, and spontaneous recovery rarely occurs. However, observations that early-life brain injuries, including strokes, elicit less severe long-term functional impairments, compared to adults, continue to intrigue. While much research has focussed on neuronal changes and plasticity, less is known regarding the regulation of astrogliosis and glial scar formation after a stroke at different stages of life. Therefore, we investigated the cellular, molecular and temporal differences in chronic scar development in the infant and adult nonhuman primate (NHP) post-stroke as it bears greater clinical relevance in the close temporal and pathophysiological homology with humans. This project utilized the endothelin-1 model of focal ischemic stroke in the infant and adult primary visual cortex and investigated differences in the subacute and chronic period. We report here that the post stroke infant neocortex generates a smaller, more discrete chronic scar, correlating to greater neuronal sparing. Reactive astrocytes that comprise the chronic scar are generated earlier in infants compared to adults, and the expression of critical markers of astrocyte reactivity differs in the subacute period between post-stroke infants and adults. Most importantly, we report that unlike adults, infant astrocyte reactivity is not dependent on several crucial regulators: signal transducer and activator of transcription 3, lipocalin2 and collagen I. Our results demonstrate that infant reactive astrocytes are not regulated by the same intrinsic and extrinsic factors that control these processes in adults, resulting in a more discrete chronic glial scar that is more permissible to neuronal sparing. PMID- 29203282 TI - Modulation of Mcl-1 transcription by serum deprivation sensitizes cancer cells to cisplatin. AB - BACKGROUND: The development of approaches that increase therapeutic effects of anti-cancer drugs is one of the most important tasks of oncology. Caloric restriction in vivo or serum deprivation (SD) in vitro has been shown to be an effective tool for sensitizing cancer cells to chemotherapeutic drugs. However, the detailed mechanisms underlying the enhancement of apoptosis in cancer cells by SD remain to be elucidated. METHODS: Flow cytometry, caspase activity assay and western blotting were used for cell death rate evaluation. Western blotting, gel-filtration, siRNA approach and qRT-PCR were used to elucidate the mechanism underlying cell death potentiation upon SD. RESULTS: We demonstrated that SD sensitizes cancer cells to treatment with chemotherapeutic agent cisplatin. This effect is independent on activation of caspases-2 and -8, apical caspases triggering apoptosis in response to genotoxic stress. SD potentiates cell death via downregulation of the anti-apoptotic protein Mcl-1. In fact, SD reduces the Mcl-1 mRNA level, which consequently decreases the Mcl-1 protein level and renders cells more susceptible to apoptosis induction via the formation of apoptosome. CONCLUSIONS: Mcl-1 protein is an important regulator of sensitivity of cancer cells to apoptotic stimuli upon SD. GENERAL SIGNIFICANCE: This study identifies Mcl-1 as a new target for the sensitization of human cancer cells to cell death by SD, which is of great significance for the development of efficient anti-cancer therapies. PMID- 29203281 TI - Bliverdin reductase-A improves neurological function in a germinal matrix hemorrhage rat model. AB - Germinal matrix hemorrhage is induced by stereotaxic injection of collagenase into the germinal matrix of P7 Sprague-Dawley rats. Hemoglobin assay, western blot, immunofluorescence and neurobehavioral tests were used to test the effects of BLVRA on hematoma resolution and anti-inflammatory response. We showed that BLVRA triggered a signaling cascade that ameliorated post-hemorrhagic neurological deficits in both short-term and long-term neurobehavioral tests in a GMH rat model. Specifically, BLVRA inhibited toll-like receptor 4 (TLR4) expression by translocating to the nucleus in an endothelial nitric oxide (eNOS)/nitric oxide (NO)-dependent manner. BLVRA also induced the upregulation of CD36 scavenger receptor level in microglia/microphages, of which the prominent role is to enhance hematoma resolution. However, the beneficial effects of BLVRA were abolished with the knockdown of eNOS, indicating that the eNOS/NO system is an important downstream factor of BLVRA. Our results demonstrate a mechanism of BLVRA modulating hematoma resolution and suppressing inflammation through eNOS/NO/TLR4 pathway in the GMH rat model. PMID- 29203283 TI - Understanding the structural and energetic basis of PD-1 and monoclonal antibodies bound to PD-L1: A molecular modeling perspective. AB - BACKGROUND: The inhibitors blocking the interaction between programmed cell death protein 1(PD-1) and programmed death-ligand 1(PD-L1) can activate the immune response of T cell and eliminate cancer cells. The crystallographic studies have provided structural insights of the interactive interfaces between PD-L1 and its protein ligands. However, the hotspot residues on PD-L1 as well as structural and energetic basis for different protein ligands still need to be further investigated. METHODS: Molecular modeling methods including molecular dynamics simulation, per-residue free energy decomposition, virtual alanine scanning mutagenesis and residue-residue contact analysis were used to qualitatively and quantitatively analyze the interactions between PD-L1 and different protein ligands. RESULTS: The results of virtual alanine scanning mutagenesis suggest that Y56, Q66, M115, D122, Y123, R125 are the hotspot residues on PD-L1. The residue-residue contact analysis further shows that PD-1 interacts with PD-L1 mainly by F and G strands while monoclonal antibodies like avelumab and BMS 936559 mainly interact with PD-L1 by CDR2 and CDR3 loops of the heavy chain. CONCLUSIONS: A structurally similar beta-hairpin peptide with 13 or 14 residues was extracted from each protein ligand and these beta-hairpin peptides were found tightly binding to the putative hotspot residues on PD-L1. GENERAL SIGNIFICANCE: This study recognizes the hotspot residues on PD-L1 and uncovers the common structural and energetic basis of different protein ligands binding to PD-L1. These results will be valuable for the design of small molecule or peptide inhibitors targeting on PD-L1. PMID- 29203284 TI - Intermediate-term survival and quality of life outcomes in patients with advanced colorectal liver metastases undergoing associating liver partition and portal vein ligation for staged hepatectomy. AB - BACKGROUND: Associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) is an innovative, 2-staged hepatectomy which has elicited controversy within the international hepatobiliary community. Uptake of ALPPS has been limited due to concerns related to evidence of high morbidity and mortality, and scant oncologic and outcome data on quality of life (Qol). Demonstrating reasonable long-term benefits with a short-term risk is necessary to support more widespread endorsement of ALPPS. Our aim was to describe the intermediate-term survival and patient-reported quality of life outcomes after an ALPPS. METHODS: Prospectively collected data from 2 high-volume ALPPS centers, who were pioneers with the technique, were combined and analyzed for disease-free and overall survival from date of the ALLPS. Only patients treated for colorectal liver metastases with >6 month postoperative follow-up were included. All patients had bilateral colorectal liver metastases with an initially unresectable tumor load, and received preoperative chemotherapy. Information concerning the demographics of the patients, characteristics of the tumor, and treatment were analyzed. The well-validated European Organization for Research and Treatment for Cancer Quality of Life Core Questionnaire version 3.0 questionnaire was used to assess patient quality of life. RESULTS: A total of 58 patients underwent ALPPS for colorectal liver metastases, and 47 patients met our inclusion criteria. There were no perioperative mortalities, and the rate of severe complications was 21%. At 3 years post-ALPPS, the overall survival was 50%, while the disease-free survival was 13%. The commonest site of first recurrence was the liver alone (38%). Patient-reported quality of life after ALPPS was similar to reference values for general population. CONCLUSION: In select patients operated at experienced centers, ALPPS results in low perioperative risk, satisfactory overall survival, and excellent quality of life. Hepatic recurrence and not systemic recurrence is the most common site of relapse after ALPPS. PMID- 29203285 TI - Retroperitoneal sarcomas: does the center really matter? PMID- 29203286 TI - An opportunity for improvement in trauma care: 8-week booster vaccination adherence among patients after trauma splenectomy. AB - BACKGROUND: Splenectomies are common after abdominal trauma, and measures must be taken to prevent infection, namely, the administration of available conjugate vaccinations against encapsulated organisms. While initial immunization is frequently completed prior to discharge, the Advisory Council on Immunization Practices recommends administration of an 8-week vaccination booster against S. pneumoniae, and compliance with this practice is unknown. We hypothesized that patients undergoing splenectomy for trauma would not routinely receive the recommended immunization and subsequent booster. METHODS: All trauma admissions at our center who required splenectomy secondary to trauma between 2010 and 2015 were included. Demographic and injury data, splenectomy dates, immunization documentation, subsequent boosters received, and outcomes were collected from the medical record. RESULTS: Of the 9,965 patients observed, 44 patients underwent splenectomy, with 31 patients meeting inclusion/exclusion criteria. Two patients received subsequent boosters during office or hospital visits; however, no patient received any booster within Advisory Council on Immunization Practices' recommended timeframe with median time to subsequent boosters of 22 months. Seven patients have had a subsequent admission for infection or sepsis, with one presenting with S. pneumoniae meningitis. None of the patients subsequently admitted for infection or sepsis had received boosters. CONCLUSION: While trauma patients at our institution receive recommended immunizations after splenectomy prior to discharge, they receive boosters at a suboptimal rate and beyond the advised timeframe. We speculate that this phenomenon is widespread in the American trauma population. These data suggest a need for improved patient and provider education and coordination with primary care practitioners to ensure ideal defense against infectious complications. PMID- 29203287 TI - Effects of endurance training on serum lipids. AB - BACKGROUND AND AIMS: Physical activity is recommended as part of the lifestyle modification for the treatment of hyperlipidemia, however, the literature reports heterogeneous quantitative effects of exercise on serum lipids. We therefore reviewed the effects of aerobic exercise on serum lipids with special focus on the training effectiveness. METHODS: Data regarding effects of endurance training (ET) on total Cholesterol (TC), LDL-Cholesterol (LDL-C), HDL-Cholesterol (HDL-C) and triglycerides (TG) were evaluated in a selective literature search. To account for the observed heterogeneity of the training interventions, studies were analyzed according to effectiveness (duration, intensity, frequency) of training. RESULTS: Unselected training intervention studies did not exert significant effects on serum LDL-C but showed minor positive effects on HDL-C and TG. Effective endurance training - defined as endurance training performed by an intensity of 65-75% of the heart rate reserve (corresponding to 75-85% maximum heart rate or 65-80% VO2max) for a duration of 40-50min per training unit on 3 4days/week over a period of 26-40weeks showed improvement of serum lipids. Effective training lowered TC by -3.75% (p=0.0006), LDL-C by -4.76% (p=0.0015), TG by -8.24% (p=0.0004) and increased HDL-C by +4.43% (p=0.0061). CONCLUSION: The analysis suggests that a minimum exercise threshold is necessary to produce effects on serum lipids. Overall, the quantitative effect of physical activity on serum lipids is small. PMID- 29203288 TI - Veno-arterial extracorporeal membrane oxygenation in a case of amniotic fluid embolism with coexisting hemorrhagic shock: lessons learned. PMID- 29203289 TI - Time and dose-related changes in lung perfusion after definitive radiotherapy for NSCLC. AB - BACKGROUND AND PURPOSE: To examine radiation-induced changes in regional lung perfusion per dose level in 58 non-small-cell lung cancer (NSCLC) patients treated with intensity-modulated radiotherapy (IMRT). MATERIAL AND METHODS: NSCLC patients receiving chemo-radiotherapy (RT) of minimum 60 Gy were included prospectively in the study. Lung perfusion single-photon emission computed tomography (SPECT/CT) was performed before and serially after RT. Changes (relative to baseline, %) in regional lung perfusion were correlated with regional dose. Toxicity outcome was radiation pneumonitis (RP) CTC grades 2-5. RESULTS: Perfusion changes were associated with dose. Dose-dependent reduction in regional perfusion was observed at 3, 6 and 12 months of follow-up. Relative perfusion loss per dose bin was 4% at 1 month, 14% at 3 months, 13% at 6 months and 21% at 12 months after RT. In patients with RP, perfusion reduction was larger in high dose lung regions, compared to those without RP. Low dose regions, on the contrary, revealed perfusion gain in the patients with RP. CONCLUSION: Progressive dose dependent perfusion loss is manifested on SPECT up to 12 months following IMRT. These findings suggest that the dynamic change in perfusion may have prognostic value in predicting radiation pneumonitis in NSCLC patients treated with IMRT. PMID- 29203290 TI - Patterns of locoregional failure in locally advanced non-small cell lung cancer treated with definitive conformal radiotherapy: Results from the Gating 2006 trial. AB - PURPOSE: To determine the patterns of locoregional failure (LRF) in patients with locally advanced non-small cell lung cancer treated with definitive radiotherapy (RT). PATIENTS AND METHODS: One hundred and fifty-four patients from the Gating 2006 prospective randomized trial were treated with conformal RT with or without respiratory motion management. For patients with a LRF as first event, treatment planning with simulation CT, pre-treatment 18FDG PET-CT and post-treatment images demonstrating recurrence were registered and analyzed. Measurable LRF was contoured (rGTV) and classified as in-field, marginal, or out-of-field. RESULTS: Median follow-up was 27.8 months. Forty-eight patients presented with LRF. One year and 2-year locoregional disease-free survival rates were 77% (95% CI 70-83) and 72% (95% CI 64-79) respectively. 79% of the patients with LRF as first event relapsed within the RT field (55% isolated), 30% had marginal LRF component. Isolated out-of-field failure occurred in only 3% of all patients. The regions of highest FDG-uptake on pre-treatment PET-CT were located within the recurrence in 91% of patients with in-field LRF. CONCLUSION: In-field failure was the most common pattern of failure. Escalated dose RT with high-dose fractions guided by PET parameters warrants further investigation. PMID- 29203291 TI - Independent component analysis for rectal bleeding prediction following prostate cancer radiotherapy. AB - BACKGROUND AND PURPOSE: To evaluate the benefit of independent component analysis (ICA)-based models for predicting rectal bleeding (RB) following prostate cancer radiotherapy. MATERIALS AND METHODS: A total of 593 irradiated prostate cancer patients were prospectively analyzed for Grade >=2 RB. ICA was used to extract two informative subspaces (presenting RB or not) from the rectal DVHs, enabling a set of new pICA parameters to be estimated. These DVH-based parameters, along with others from the principal component analysis (PCA) and functional PCA, were compared to "standard" features (patient/treatment characteristics and DVH bins) using the Cox proportional hazards model for RB prediction. The whole cohort was divided into: (i) training (N = 339) for ICA-based subspace identification and Cox regression model identification and (ii) validation (N = 254) for RB prediction capability evaluation using the C-index and the area under the receiving operating curve (AUC), by comparing predicted and observed toxicity probabilities. RESULTS: In the training cohort, multivariate Cox analysis retained pICA and PC as significant parameters of RB with 0.65 C-index. For the validation cohort, the C-index increased from 0.64 when pICA was not included in the Cox model to 0.78 when including pICA parameters. When pICA was not included, the AUC for 3-, 5-, and 8-year RB prediction were 0.68, 0.66, and 0.64, respectively. When included, the AUC increased to 0.83, 0.80, and 0.78, respectively. CONCLUSION: Among the many various extracted or calculated features, ICA parameters improved RB prediction following prostate cancer radiotherapy. PMID- 29203292 TI - Pitfalls in the detection of citrullination and carbamylation. AB - Carbamylation and citrullination are both post-translational modifications against which (auto)antibodies can be detected in sera of rheumatoid arthritis (RA) patients. Carbamylation is the chemical modification of a lysine into a homocitrulline, whereas citrullination is an enzymatic conversion of an arginine into a citrulline. It is difficult to distinguish between the two resulting amino acids due to similarities in structure. However, differentiation between citrulline and homocitrulline is important to understand the antigens that induce antibody production and to determine which modified antigens are present in target tissues. We have observed in literature that conclusions are frequently drawn regarding the citrullination or carbamylation of proteins based on reagents that are not able to distinguish between these two modifications. Therefore, we have analyzed a wide spectrum of methods and describe here which method we consider most optimal to distinguish between citrulline and homocitrulline. We have produced several carbamylated and citrullinated proteins and investigated the specificity of (commercial) antibodies by both ELISA and western blot. Furthermore, detection methods based on chemical modifications, such as the anti modified citrulline-"Senshu" method and also mass spectrometry were investigated for their capacity to distinguish between carbamylation and citrullination. We observed that some antibodies are able to distinguish between carbamylation and citrullination, but an overlap in reactivity is often present in the commercially available anti-citrulline antibodies. Finally, we conclude that the use of mass spectrometry is currently essential to differentiate between citrullinated and carbamylated proteins present in complex biological samples. PMID- 29203293 TI - Association between prenatal exposure to organochlorine pesticides and the mental and psychomotor development of infants at ages 6 and 18 months: The Hokkaido Study on Environment and Children's Health. AB - Organochlorine pesticides (OCPs) are environmental contaminants that persist in the environment and bioaccumulate through the food chain in humans and animals. Although previous studies have shown an association between prenatal OCP exposure and subsequent neurodevelopment, the levels of OCPs included in these studies were inconsistent. A hospital-based prospective birth cohort study was conducted to examine the associations between prenatal exposure to relatively low levels of OCPs and neurodevelopment in infants at 6 (n=164) and 18 (n=115)months of age. Blood samples were analyzed using gas chromatography/mass spectrometry techniques to quantify 29 OCPs. The Bayley Scales of Infant Development 2nd edition (BSID II) was used to assess the Mental and Psychomotor Developmental Index. After controlling for confounders, we found an inverse association between prenatal exposure to cis-heptachlor epoxide and the Mental Developmental Index at 18 months of age. Furthermore, infants born to mothers with prenatal concentrations of cis-heptachlor epoxide in the highest quartile had Mental Developmental Index scores -9.8 (95% confidence interval: -16.4, -3.1) lower than that recorded for infants born to mothers with concentrations of cis-heptachlor epoxide in the first quartile (p for trend <0.01). These results support the hypothesis that prenatal exposure to OCPs, especially cis-heptachlor epoxide, may have an adverse effect on the neurodevelopment of infants at specific ages, even at low levels. PMID- 29203294 TI - Subclinical atrial fibrillation: The significance of progression to longer episodes. PMID- 29203295 TI - Deployment of a Sapien 3 Transcatheter Valve for Severe Tricuspid Insufficiency in a Patient With Non-obstructive Cor Triatriatum Dexter. PMID- 29203296 TI - LVADs and Infections: How Can We Help? PMID- 29203297 TI - Does Statin Reloading Before Cardiac Surgery Improve Postoperative Outcomes? PMID- 29203298 TI - The Genetic and Molecular Bases for Hypertrophic Cardiomyopathy: The Role for Calcium Sensitization. AB - Hypertrophic cardiomyopathy (HCM) affects millions of people around the world as one of the most common genetic heart disorders and leads to cardiac ischemia, heart failure, dysfunction of other organ systems, and increased risk for sudden unexpected cardiac deaths. HCM can be caused by single-point mutations, insertion or deletion mutations, or truncation of cardiac myofilament proteins. The molecular mechanism that leads to disease progression and presentation is still poorly understood, despite decades of investigations. However, recent research has made dramatic advances in the understanding of HCM disease development. Studies have shown that increased calcium sensitivity is a universal feature in HCM. At the molecular level, increased crossbridge force (or power) generation resulting in hypercontractility is the prominent feature. Thus, calcium sensitization/hypercontractility is emerging as the primary stimulus for HCM disease development and phenotypic expression. Cross-bridge inhibition has been shown to halt HCM presentation, and myofilament desensitization appears to reduce lethal arrhythmias in animal models of HCM. These advances in basic research will continue to deepen the knowledge of HCM pathogenesis and are beginning to revolutionize the management of HCM. PMID- 29203299 TI - Evaluation of Cardiac Index and Extravascular Lung Water After Single-Lung Transplantation Using the Transpulmonary Thermodilution Technique by the PiCCO2 Device. AB - OBJECTIVES: First evaluation of the transpulmonary thermodilution technique by the PiCCO2 device to assess cardiac index and pulmonary edema during the postoperative course after single-lung transplantation. DESIGN: Prospective observational study. SETTINGS: Intensive care unit, university hospital (single center). PARTICIPANTS: Single-lung transplant patients. INTERVENTIONS: The authors compared cardiac index measured by PiCCO2 and pulmonary artery catheter and assessed pulmonary edema using extravascular lung water index and pulmonary vascular permeability index measured by PiCCO2. MEASUREMENTS AND MAIN RESULTS: A Bland-Altman method was used to compare cardiac index measured by PiCCO2 and pulmonary artery catheter. Extravascular lung water index and pulmonary vascular permeability index were compared according to the PaO2/FiO2 ratio with a threshold value of 150 mmHg. Ten single-lung transplant patients were included. Cardiac index measured by PiCCO2 and pulmonary artery catheter were 3.3 L/min/m2 (2.9-3.6) and 2.5 L/min/m2 (2.2-3.0). Bias for cardiac index was 0.71 L/min/m2 ( 0.03; 1.44) and limit of agreements were -0.03 and 1.44 L/min/m2. Extravascular lung water index was 12 mL/kg (11-16) and pulmonary vascular permeability index was 2.3 (2.0-3.1), consistent with pulmonary edema. Extravascular lung water index was higher in the group of PaO2/FiO2 ratio <=150 mmHg compared with the group of PaO2/FiO2 ratio >150 mmHg (17 v 12 mL/kg, p = 0.04), whereas pulmonary vascular permeability index only tended to be higher (3.1 v 2.1, p = 0.06). CONCLUSION: PiCCO2 device systematically overestimated cardiac index compared with pulmonary artery catheter. However, it might be useful to assess pulmonary edema in acute respiratory failure after single-lung transplantation. PMID- 29203300 TI - Atypical Venous Valve of the Internal Jugular Vein. PMID- 29203301 TI - Ischemic Mitral Regurgitation: A Paradigm Shift in Surgical Management? PMID- 29203302 TI - Immunomodulatory effects of a rationally designed peptide mimetic of human IFNbeta in EAE model of multiple sclerosis. AB - The efficiency of interferon beta (IFNbeta)-based drugs is considerably limited due to their undesirable properties, especially high immunogenicity. In this study, for the first time we investigated the impact of a computationally designed peptide mimetic of IFNbeta, called MSPEP27, in the animal model of MS. A peptide library was constructed using the Rosetta program based on the predominant IFNAR1-binding site of IFNbeta. Molecular docking studies were carried out using ClusPro and HADDOCK tools. The GROMACS package was subsequently used for molecular dynamics (MD) simulations. Validation of peptide-receptor interaction was carried out using intrinsic fluorescence measurements. To explore in silico findings further, experimental autoimmune encephalomyelitis (EAE) was induced by subcutaneous immunization of myelin oligodendrocyte glycoprotein (MOG35-55). Mice were then separated into distinct groups and intravenously received 10 or 20mgkg-1 of MSPEP27 or IFNbeta. The inflammatory mediators were monitored by immunohistochemistry (IL17, CD11b, CD45), quantitative real-time PCR (MMP2, MMP9, TIMP-1) and enzyme-linked immunosorbent assay (IL1beta, TNFalpha) methods. Among the library of tolerated peptides, MSPEP27, a peptide with favorable physicochemical properties, was chosen for further experiments. This peptide was shown to significantly interact with IFNAR1 in a dose-dependent manner. Like IFNbeta, MSPEP27 could efficiently bind to IFNAR1 and form a stable peptide-receptor complex during 30ns MD simulations. In vivo analyses revealed that MSPEP27 could lessen inflammation by modulating the levels of inflammatory mediators. According to our results, MSPEP27 peptide could efficiently bind to IFNAR1 and suppress neuroinflammation in vivo. We conclude that MSPEP27 has protective effects against MOG-induced EAE via reduction of immune dysfunction and inflammation. PMID- 29203303 TI - Interactive effects of morphine and nicotine on memory function depend on the central amygdala cannabinoid CB1 receptor function in rats. AB - The present study investigated the possible involvement of the central amygdala (CeA) cannabinoid receptors type-1 (CB1Rs) in the interactive effects of morphine and nicotine on memory formation in a passive avoidance learning task. Our results showed that systemic administration of morphine (3 and 6mg/kg, s.c.) immediately after training phase impaired memory consolidation and induced amnesia. Administration of nicotine (0.3 and 0.6mg/kg, s.c.) before testing phase significantly restored morphine-induced amnesia, suggesting a cross state dependent learning between morphine and nicotine. The results showed that while the administration of the lower dose of nicotine (0.1mg/kg, s.c.) per se did not induce a significant effect on morphine-induced amnesia, intra-CeA injection of arachidonylcyclopropylamide (ACPA), a cannabinoid CB1 receptor agonist (3 and 4ng/rat), significantly potentiated the nicotine response. Furthermore, the blockade of the CeA cannabinoid CB1 receptors by the injection of AM251 (0.75 and 1ng/rat) reversed the potentiative effect of nicotine (0.6mg/kg, s.c.) on morphine-induced amnesia. It should be considered that bilateral injection of the same doses of ACPA or AM251 (0.5-1ng/rat) into the CeA by itself had no effect on morphine response in a passive avoidance learning task. Confirmed by the cubic interpolation planes, the dose-response data revealed a cross-state-dependent learning between morphine and nicotine which may be mediated by the CeA endocannabinoid system via CB1 receptors. PMID- 29203304 TI - Post-chikungunya chronic inflammatory rheumatism: Follow-up of cases after 1 year of infection in Tolima, Colombia. AB - INTRODUCTION: Chronic Inflammatory Rheumatism (CIR) is one of the recognized and increasingly reported consequence post-chikungunya infection (pCHIK) in Colombia and Latin America. METHODS: Retrospective cohort study of 128 patients with CHIK that persisted with pCHIK-CIR after 59-68 weeks (1.13-1.31 years). This information was evaluated by means of a telephone survey and according to validated criteria (WHO 2015) previously (patients with >12 weeks post-CHIK with >=1 manifestations [continuous/recurrent]: chronic polyarthralgia [pCHIK-CPA], stiffness and/or joint edema). RESULTS: Of the total CHIK-infected subjects finally included (n = 65), 28 (43.1%) reported pCHIK-CPA; and 38 patients (58.5%) at least one persistent rheumatological symptoms over the last year (pCHIK-CIR); 38.5% of them, morning stiffness, 18.5% joint edema, and 3.1% joint redness. No significant sex differences were found; 60% of patients with pCHIK-CPA aged> 40 years (RR = 3.75; 95%CI 1.47-9.53). The 29.2% of patients required medical attention because of symptoms. CONCLUSIONS: Nearly half of patients with CHIK had at least one rheumatologic symptom persistent over a year, and the third of them, pCHIK-CPA. These results are comparable with previous estimates obtained in other cohorts in the country (Risaralda and Sucre) and are consistent with results from other studies in France and India. PMID- 29203305 TI - Infectious complications in paediatric patients treated with extracorporeal membrane oxygenation. AB - INTRODUCTION: The aim of this study was to analyse the incidence, treatment and evolution of infections in children treated with ECMO. METHODS: A retrospective study based on a prospective database was performed. Children under the age of 18 years treated with ECMO from September 2006 to November 2015 were included. The patients' clinical characteristics were collected, together with ECMO technique, cultures and treatment of infection. RESULTS: One hundred patients with a median age of 11 months were analysed. Heart disease was diagnosed in 94 patients. An infection was suspected and antibiotic treatment was initiated in 51 patients, although only 22 of them were microbiologically confirmed. The most common infection was sepsis (49%), followed by pneumonia (35.3%) and urinary tract infection (9.8%). There were no differences in haematological parameters and acute phase reactants between children with infection and those without. Children who died had a higher incidence of infection during ECMO (60.4%) than the survivors (40.3%), but the difference did not reach statistical significance (P=.07). The duration of admission in the PICU was 57 days in patients with infection vs 37 days in patients without infection but the difference was not statistically significant (P=.067). CONCLUSIONS: Infection in children with ECMO is common. There are no specific infection parameters and less than half of the clinical infections are confirmed microbiologically. There was no statistically significant correlation between infection and mortality or duration of PICU stay. PMID- 29203306 TI - Reducing Variability of Radiation Dose in CT: The New Frontier in Patient Safety. AB - PURPOSE: Although reducing radiation dose in CT examinations is an important goal, also important in the management of radiation dose is ensuring consistency of dose administered for a given type of examination. We have implemented an approach to reducing variance in CT radiation dose by standardizing protocols and implementing software that decreases variance. METHODS: A multifaceted approach to reducing variance in CT radiation dose was utilized: (1) establishment of the Radiation Dose Optimization Committee, (2) standardization of protocols, and (3) implementation of scanner software. Two periods of data were collected: pre intervention (January 1, 2013, to July 31, 2014) and postintervention (January 1, 2016, to December 31, 2016). The period from August 1, 2014, to December 31, 2015, represented the time the major interventions were performed. RESULTS: The average radiation dose for all CT exams performed during the pre-intervention period (n = 39,314) was 22.3 CTDIvol with an SD of 17.0. The average radiation dose for all CT exams performed during the postintervention period (n = 49,863) was 13.6 CTDIvol with an SD of 9.01. The postintervention variance was significantly decreased (P < .0001). CONCLUSIONS: A significant decrease in the variability of our network CT radiation dose was achieved as a result of a combination of standardizing protocols across the network and implementation of advanced software that effectively managed radiation dose, all overseen by the Radiation Dose Optimization Committee. PMID- 29203307 TI - Development of a Severe Traumatic Brain Injury Consensus-Based Treatment Protocol Conference in Latin America. AB - BACKGROUND: Severe traumatic brain injury (sTBI) is a significant global health problem disproportionately affecting low- and middle-income countries (LMICs). Management of intracranial hypertension in sTBI is crucial to survival and optimal recovery. Practitioners in high-income countries routinely use intracranial pressure (ICP) monitors although their usefulness has been questioned. ICP monitors are usually unavailable in LMICs. No consensus based/tested protocols or literature exists for sTBI treatment without ICP monitoring. METHODS: Investigators developed serial SurveyMonkey surveys for Latin American neurointensivists and neurosurgeons to determine current practice. These clinicians had extensive routine ongoing experience in sTBI without ICP monitoring. Surveys were administered and analyzed before/during/after a 2015 Buenos Aires consensus conference. Investigators identified areas of convergence blinded from colleagues' responses. A 47-clinician task force, representing 15 countries, who routinely manage patients with sTBI without monitors developed consensus-based treatment guidelines during a 3-day facilitated conference. RESULTS: Elements were added to the protocol at an 80% agreement threshold. Follow-on surveys resolved remaining elements to 97% agreement. The protocol addresses both tapering (on improvement) and neuroworsening. Staged treatment options were identified, plus unique clinical practice issues. This process introduced a research method to a large multidisciplinary group of LMIC clinicians. This report describes the process used to develop an LMIC-specific protocol that is transferable to other diseases/injuries. The protocol is being tested in 5 LMICs. CONCLUSIONS: We derived consensus-based guidelines for sTBI treatment without ICP monitoring, and introduced a research method to a large multidisciplinary group of LMIC clinicians naive to such methods. PMID- 29203308 TI - Magnetic Resonance Imaging Undetectable Epiduroscopic Hotspot in Chronic Diskogenic Back Pain-Does Sinuvertebral Neuropathy Actually Exist? AB - BACKGROUND: The causes of chronic diskogenic back pain have not yet been clearly identified. Neural ingrowth around the annulus is widely considered to be one of the possible cause. However, neuropathy around the annulus has yet to be observed visually. We report a case of a hotspot that was observed in an epiduroscopic view, but not in imaging findings. CASE DESCRIPTION: A 46-year-old woman was admitted with pain in the back, left buttock, and posterior thigh for 2 years. A straight leg raising test was positive on the left side, and left great toe dorsiflexion was decreased to grade 3/5. The Visual Analog Scale pain score was 7/10. On the basis of her symptoms, epidural block, medial branch block, sacroiliac joint block, piriformis muscle injection, physical therapy, and medication were attempted, but no improvement in symptoms was observed. A provocation test was performed at the L3-L4, L4-L5, and L5-S1 intervertebral disks, and severe pain was induced in the L5-S1 intervertebral disk, which was not suspicious on magnetic resonance imaging. We performed transforaminal epiduroscopic laser ablation on L5-S1 and found a hotspot on L5-S1 during the procedure. During laser provocation of the hotspot, the patient complained of severe pain in her lower back and legs, and her pain decreased after ablation of hotspot with laser and improvement in motor weakness was noticed. CONCLUSION: In this study, we observed annulus hotspots, which have not been observed in imaging studies such as computed tomography or magnetic resonance imaging in patients with chronic back pain and leg pain, and observed remarkable symptom improvement after transforaminal epiduroscopic laser ablation. PMID- 29203309 TI - Spontaneous Acute Arterial Subdural Hematoma. AB - BACKGROUND: Spontaneous acute arterial subdural hematoma (SDH) is a rare entity caused by hemorrhage from a cortical perisylvian artery without a known precipitant. CASE DESCRIPTION: A 53-year-old man presented with a 2-day history of acute-onset headache and dysphasia. He had a generalized seizure on arrival to hospital and no history of trauma. A computed tomography demonstrated an acute left-sided SDH. A computed tomography angiogram and a digital subtraction angiogram demonstrated active contrast extravasation into the SDH. A craniotomy was performed to evacuate the hematoma; the bleeding perisylvian artery was visualized and coagulated. CONCLUSIONS: We report a rare case of acute SDH and present a review of the literature. The etiology, investigation, and management of this rare neurosurgical emergency are discussed. PMID- 29203310 TI - Rosiglitazone Infusion Therapy Following Minimally Invasive Surgery for Intracranial Hemorrhage Evacuation Decreased Perihematomal Glutamate Content and Blood-Brain Barrier Permeability in Rabbits. AB - OBJECTIVE: To observe effects of rosiglitazone (RSG) infusion therapy on perihematomal peroxisome-proliferator-activated receptor gamma (PPARgamma), glutamate, blood-brain barrier (BBB) permeability, and brain edema. METHODS: Fifty male rabbits (2.8-3.4 kg) were randomly assigned to a normal control (NC) group, model control (MC) group, RSG group, minimally invasive surgery (MIS) group, or MIS and RSG (MIS+RSG) group. Intracranial hemorrhage was induced in all rabbits except for the NC group. MIS procedures were performed to evacuate the intracranial hemorrhage 6 hours after the intracranial hemorrhage model was prepared successfully. The animals were sacrificed on day 7, and the perihematomal brain tissue was obtained to determine PPARgamma, glutamate, and BBB permeability. RESULTS: Compared with the MC group, the MIS group displayed a remarkable decrease in PPARgamma, glutamate, and BBB permeability. The RSG group showed similar results in glutamate level and BBB permeability but a significant increase in PPARgamma. The MIS+RSG group displayed an increase in PPARgamma and a more significant decrease in glutamate, BBB permeability, and neurologicl deficit scores compared with the other groups. CONCLUSIONS: Performing MIS followed by RSG infusion therapy might increase PPARgamma expression and might be more efficacious for reducing glutamate level and BBB permeability and improving neurologic function than MIS or RSG therapy used alone. PMID- 29203311 TI - Lateral Ventricular Volume Asymmetry Predicts Poor Outcome After Spontaneous Intracerebral Hemorrhage. AB - BACKGROUND: Midline shift (MLS) has been a known predictor for prognosis after spontaneous intracerebral hemorrhage (ICH), whereas it is secondary to lateral ventricular compression. In this study, we investigated whether lateral ventricular volume (LVV) asymmetry caused by ventricular compression was independently associated with poor outcome of ICH. METHODS: We retrospectively studied clinical patients with spontaneous ICH from January 2010 to January 2017. LVV was calculated using slicer software. LVV ratio (LVR) was then determined to quantitatively evaluate LVV asymmetry, and its relationship with poor outcome was tested by logistic regression model. Receiver operating characteristic (ROC) curve analysis was performed to identify the optimized baseline LVR cutoff point to predict poor outcome. RESULTS: 188 patients were included, of whom 41% (77/188) experienced a poor outcome. Multivariate logistic regression analysis identified baseline LVR as an independent predictor for poor outcome after ICH. The predictive value of baseline LVR was confirmed by ROC analysis (area under the curve = 0.742; P < 0.001). The optimized baseline LVR cutoff point was 3.7, with a sensitivity of 64.9% and specificity of 80.2%. Using LVR >3.7 as an exposure factor yielded an odds ratio of 7.49 (P < 0.001), and a risk ratio of 2.98 (P < 0.001). CONCLUSIONS: LVV asymmetry was associated with clinical prognosis after ICH, and high LVR (>3.7) might independently predict poor outcome. PMID- 29203312 TI - Microvascular Decompression for Treatment of Trigeminal Neuralgia: Factors That Predict Complete Pain Relief and Study of Efficacy and Safety in Older Patients. AB - OBJECTIVE: Microvascular decompression (MVD) is an effective method for directly treating the etiology of trigeminal neuralgia (TGN). This study aims to investigate the factors that predict complete pain relief after MVD for treatment of TGN, and to study efficacy and safety in older patients. METHODS: This study was conducted in patients with TGN that were treated by MVD at Siriraj Hospital between 2004 and 2015. Cases with secondary TGN were excluded. Data was gathered from medical records, preoperative magnetic resonance imaging, intraoperative findings, and by telephone in patients lost to follow-up. RESULTS: Of 110 included patients, 68 and 42 patients were younger and older than 60 years, respectively. Median age was 53.6 years old. Typical type of TGN, paroxysmal pain, large offending vessel on preoperative magnetic resonance imaging, and multiple locations of trigeminal nerve compression were associated with early postoperative pain-free status. No variables were associated with long-term outcome. Multivariate analysis using binary logistic regression revealed typical type of TGN to be the only factor associated with early postoperative pain-free status. No significant difference was observed between the <60 and >=60 age groups for surgical outcome and rate of complications. CONCLUSIONS: Presence of typical type TGN was the only factor found to independently predict a pain-free outcome in the early postoperative period. No factors were associated long-term pain-free outcome. MVD is an effective and safe operative procedure, and it should be regarded as a safe and viable alternative for treating intractable TGN in older patients. PMID- 29203313 TI - Determining the Lower Limit of Cerebral Perfusion Pressure in Patients Undergoing Decompressive Craniectomy Following Traumatic Brain Injury. AB - BACKGROUND: In patients with severe traumatic brain injury (TBI), maintaining systolic blood pressure >90 mm Hg, intracranial pressure (ICP) <20 mm Hg and cerebral perfusion pressure (CPP) >60-70 mm Hg is recommended to improve clinical outcomes. A recommended CPP value for patients treated with decompressive craniectomy (DC) has not been clearly studied. We aimed to determine whether the targeted CPP can be lowered in patients treated with DC. METHODS: This retrospective analysis included 191 patients who underwent DC for TBI. All patients were monitored for ICP and blood pressure during and after DC. CPP was calculated every 2 hours after DC. Patient outcomes were evaluated 6 months after initial treatment. RESULTS: Mean patient age was 50.8 years (median 52 years), and 79.1% of patients were male. Initial Glasgow Coma Scale score was 6.2 (median 6). Comparing clinical outcome based on postoperative ICP >25 mm Hg and <25 mm Hg, Extended Glasgow Outcome Scale score was 1.4 (>25 mm Hg) and 4.9 (<25 mm Hg) (P = 0.000). In patients maintained at ICP <25 mm Hg, mortality was increased significantly with CPP between 35 mmHg and 30 mm Hg (chi2, P = 0.029 vs. P = 0.062). CONCLUSIONS: Patients with TBI who underwent DC with postoperative ICP maintained <25 mm Hg and CPP >35 mm Hg may have similar mortality as patients with CPP >60-70 mm Hg who did not undergo DC. For patients with TBI who undergo DC, targeted CPP might be lowered to 35 mm Hg if ICP is maintained <25 mm Hg. PMID- 29203314 TI - Endoscopic Transseptal Approach with Posterior Nasal Spine Removal: A Wide Surgical Corridor to the Craniovertebral Junction and Odontoid: Technical Note and Case Series. AB - BACKGROUND: The transnasal approach to lesions involving the craniovertebral junction represents a technical challenge because of limited inferior exposure. The endoscopic transseptal approach (EtsA) with posterior nasal spine (PNS) removal is described. This technique can create a wide exposure of the craniovertebral junction, thereby increasing the caudal exposure. METHODS: On patients undergoing anterior craniovertebral junction decompression, we calculated the degree of exposure on the sagittal plan through a paraseptal route, an EtsA without and with PNS removal. The horizontal exposure and working area with the latter approach were also evaluated. RESULTS: Five patients underwent the transnasal procedure. The age of patients ranged from 34-71 years. All patients harbored basilar impression. The mean postoperative Nurick grade (1, 8) was improved versus the average preoperative grade (3). The average follow-up duration was 16 months. All patients underwent occipitocervical fixation. The mean vertical distances, from the clinoid recess to the inferior most limit with the paraseptal approach, EtsA without and with PNS removal were 38.52, 44.12, and 51.16 mm, respectively. The difference between our approach and a standard paraseptal route was statistically significant (P = 0.041; P< 0.05). The mean horizontal distances were 31.68 mm (mononostril entry) and 35.37 mm (binostril entry). The mean working area was 1795.53 mm2. CONCLUSIONS: Endoscopic endonasal approaches to the craniovertebral junction are increasing, but the downward extension on the anterior cervical spine represents a limit. Therefore, many surgeons prefer transoral or transcervical approaches. The EtsA with PNS removal allows for a more caudal exposure than the standard paraseptal approach, with reduced nasal trauma. PMID- 29203315 TI - Long-Term Remission of Recurrent Brainstem Pilocytic Astrocytoma with Neuraxis Dissemination Using Recombinant Human Endostatin After Failure of Vincristine and Carboplatin. AB - BACKGROUND: There is no standard salvage treatment for recurrent and/or unresectable brainstem low-grade gliomas after failure from carboplatin and vincristine chemotherapy. Recombinant human endostatin (rh-ES), a mild inhibitor of angiogenesis, has been used for treating lung cancer. But so far as we know, there is no experience for brainstem gliomas. CASE DESCRIPTION: The authors present a pediatric case of recurrent brainstem pilocytic astrocytoma with neuraxis dissemination who experienced tumor progression with carboplatin and vincristine chemotherapy but then had a dramatic and long-term remission for at least 29 months after combined treatment of rh-ES with carboplatin and vincristine. CONCLUSION: This case suggests that the addition of rh-ES to carboplatin and vincristine regimens may be synergistic and results in a long term remission in patients with brainstem low-grade gliomas, even if the tumor is widely spread in the central nervous system. PMID- 29203316 TI - Cervical Rib Prevalence and its Association with Thoracic Outlet Syndrome: A Meta Analysis of 141 Studies with Surgical Considerations. AB - BACKGROUND: Cervical ribs (CR) are supernumerary ribs that arise from the seventh cervical vertebra. In the presence of CR, the boundaries of the interscalene triangle can be further constricted and result in neurovascular compression and thoracic outlet syndrome (TOS). The aim of our study was to provide a comprehensive evidence-based assessment of CR prevalence and their association with TOS as well as surgical approach to excision of CR and surgical patients' characteristics. METHODS: A thorough search of major electronic databases was conducted to identify any relevant studies. Data on the prevalence, laterality, and side of CR were extracted from the eligible studies for both healthy individuals and patients with TOS. Data on the type of TOS and surgical approach to excision of CR were extracted as well. RESULTS: A total of 141 studies (n = 77,924 participants) were included into the meta-analysis. CR was significantly more prevalent in patients with TOS than in healthy individuals, with pooled prevalence estimates of 29.5% and 1.1%, respectively. More than half of the patients had unilateral CR in both the healthy and the TOS group. The analysis showed that 51.3% of the symptomatic patients with CR had vascular TOS, and 48.7% had neurogenic TOS. Most CR were surgically excised in women using a supraclavicular approach. CONCLUSIONS: CR ribs are frequent findings in patients with TOS. We recommended counseling asymptomatic patients with incidentally discovered CR on the symptoms of TOS, so that if symptoms develop, the patients can undergo prompt and appropriate workup and treatment. PMID- 29203317 TI - Long-Term Outcome of Repeat Microvascular Decompression for Hemifacial Spasm. AB - OBJECTIVE: Although repeat microvascular decompression (MVD) for hemifacial spasm (HFS) in patients with failed prior MVD is potentially curative, little is known about the long-term results of repeat MVD. We aimed to evaluate the long-term outcomes and complications after repeat MVD for HFS. METHODS: We performed repeat MVD on 78 consecutive patients who had undergone a prior MVD >1 year previously. Follow-up data were available for 58 patients, with a median follow-up period of 8.6 years (range, 6.9-10.2 years). The patients were assessed for intraoperative findings, relief results, and complications at discharge and at follow-up, as well as the associations between the preoperative characteristics and outcomes. RESULTS: At discharge, of 78 patients with repeat MVD, 72 (92.3%) achieved complete spasm resolution and 1 (2.6%) had significantly improved spasm resolution. Of all patients, 9% (7 of 78) presented short-term complications, including partial hearing loss, hemifacial paresis, and cerebrospinal fluid leak. At follow-up, 45 of 58 (77.6%) patients had complete relief and 10 of 58 (17.2%) had improved relief. Permanent complications occurred in 14 patients (24.1%), with partial hearing loss and mild hemifacial paresis being the most common. Despite the complications, 51 of 58 patients (91.4%) reported an excellent life quality. No significant correlation was found between preoperative characteristics, such as age, interval to prior MVD, or interval to recurrence, and outcomes including short-term or long-term relief results and complications. CONCLUSIONS: Repeat MVD provides lasting relief for most patients with persistent or recurrent HFS, albeit with a relatively high complication rate. PMID- 29203318 TI - Lymph node ratio as a prognostic factor for survival in patients with head and neck squamous cell carcinoma. AB - OBJECTIVE: The purpose of this study is to validate the concept of lymph node ratio (LNR) in head and neck squamous cell carcinoma (HNSCC). METHODS: A total of 63 patients with HNSCC who underwent resection of the primary tumor combined with neck dissection in our institution were analyzed in this study. LNR was defined as the number of positive lymph nodes divided by the total number of lymph nodes excised. LNR was categorized into two groups (<0.068 and >=0.068) according to the results of receiver-operating characteristic plots for determination of the cut-off value. RESULTS: LNR>=0.068 was associated with poor overall survival (OS), progression-free survival (PFS) and locoregional recurrence-free survival (LRFS) after resection of the primary tumor combined with neck dissection in patients with HNSCC. Univariate and multivariate data analysis showed that LNR>=0.068 was an independent prognostic factor for OS, PFS and LRFS. Both pathological T stage status (pT3 or 4) and >=3 positive LNs were also an independent prognostic factors for PFS in patients with HNSCC in our univariate and multivariate analysis. CONCLUSION: These results suggested that LNR could be useful tools in identifying HNSCC patients with poor outcomes. PMID- 29203319 TI - Critical power: How different protocols and models affect its determination. AB - : In cycling, critical power (CP) and work above CP (W') can be estimated through linear and nonlinear models. Despite the concept of CP representing the upper boundary of sustainable exercise, overestimations may be made as the models possess inherent limitations and the protocol design is not always appropriate. OBJECTIVES: To measure and compare CP and W' through the exponential (CPexp), 3 parameter hyperbolic (CP3-hyp), 2-parameter hyperbolic (CP2-hyp), linear (CPlinear), and linear 1/time (CP1/time) models, using different combinations of TTE trials of different durations (approximately 1-20min). DESIGN: Repeated measures. METHODS: Thirteen healthy young cyclists (26+/-3years; 69.0+/-9.2kg; 174+/-10cm; 60.4+/-5.9mLkg-1min-1) performed five TTE trials on separate days. CP and W' were modeled using two, three, four, and/or five trials. All models were compared against a criterion method (CP3-hyp with five trials; confirmed using the leaving-one-out cross-validation analysis) using smallest worthwhile change (SWC) and concordance correlation coefficient (CCC) analyses. RESULTS: CP was considerably overestimated when only trials lasting less than 10min were included, independent of the mathematical model used. Following CCC analysis, a number of alternative methods were able to predict our criterion method with almost a perfect agreement. However, the application of other common approaches resulted in an overestimation of CP and underestimation of W', typically these methods only included TTE trials lasting less than 12min. CONCLUSIONS: Estimations from CP3-hyp were found to be the most accurate, independently of TTE range. Models that include two trials between 12 and 20min provide good agreement with the criterion method (for both CP and W'). PMID- 29203321 TI - Lipopolysaccharide impairs mucin secretion and stimulated mucosal immune stress response in respiratory tract of neonatal chicks. AB - The chicken immune system is immature at the time of hatching. The development of the respiratory immune system after hatching is vital to young chicks. The aim of this study was to investigate the effect of LPS on respiratory mucin and IgA production in chicks. In this study, we selected 7days old AA broilers of similar weigh randomly; LPS atomized at 1mg/kg body weigh dose in the confined space of 1 cubic meter. The chickens exposed for 2h. Then collect samples after 4h and 8h respectively. Compared to control, LPS inhibited mucus production in BALF, caused a rising trend of the concentration of IgA in serum and BALF, and increased the protein expression of IgA in lung tissue. And LPS treat induced a decreasing trend of the mRNA expression of IL-6 and TGF-beta and significantly decreased the gene expression of TGF-alpha and EGFR after 4h. After 8h the LPS suppressed the TGF-beta mRNA expression significantly. In addition, LPS treatment stimulated airway epithelial cilia sparse after 4h. Therefore, results proved: LPS can impair mucin expression and stimulated mucosal immune stress reaction of respiratory tract. This study suggested that LPS involved in respiratory tract mucosal immune response in chicks by regulating gene expression of cytokines and epithelial growth factors. PMID- 29203322 TI - Effects of in ovo exposure to benzo[k]fluoranthene (BkF) on CYP1A expression and promoter methylation in developing chicken embryos. AB - Polycyclic aromatic hydrocarbons (PAHs) are toxic environmental pollutants that are potent teratogens. Recent research suggests that early life exposure to PAHs can affect health outcomes later in life. Some of these latent responses may be mediated by epigenetic mechanisms such as DNA methylation. The role of DNA methylation in regulating responses to PAHs in birds is currently unknown. Here, we assess the effect of in ovo exposure to the model PAH, benzo[k]fluoranthene (BkF), on aryl hydrocarbon receptor (AHR) mediated cytochrome P4501A (CYP1A) gene expression and promoter methylation in chicken embryos. Fertilized chicken eggs were injected with BkF (0-100MUg/kg) prior to incubation. BkF exposure was associated with an increase in CYP1A4 and CYP1A5 mRNA levels at mid-incubation (embryonic day 10), which dropped to baseline levels towards the end of the incubation period (embryonic day 19). The transient induction in CYP1A expression was accompanied by small but significant increases in CYP1A promoter methylation, which persisted until after shortly after hatching. Methylation within the CYP1A promoter was correlated with levels of CYP1A5, but not CYP1A4 mRNA. Characterization of the role of DNA methylation in the AHR response pathway may increase our understanding of the effects of early life exposure to PAHs in birds. PMID- 29203323 TI - [Association between type 2 diabetes and physical activity in individuals with family history of diabetes]. AB - OBJECTIVE: To investigate whether the association between type 2 diabetes (T2D) and family history of diabetes is modified by the levels of physical activity in the Chilean population. METHOD: In this study were included 5129 participants from the cross-sectional 2009-2010 National Health Survey. Physical activity level was assessed using the Global Physical Activity Questionnaire and family history of T2D, through self-reporting. The association between diabetes, family history of diabetes and physical activity was determined using logistic regression. RESULTS: The odds of developing T2D in people with family history of this pathology is high, independent of their levels of physical activity and adiposity. Both men and women with family history of T2D have a higher probability of developing T2D. The odds ratio for having T2D was 5,49 (95%CI: 3,85-7,84; p <0,0001) in women, and 8,16 (95%CI: 4,96-13,4; p <0,0001) in men with family history of T2D and low levels of physical activity in comparison to those with high levels of physical activity and without a family history. CONCLUSION: Given the elevated risk of developing T2D presented by individuals with a family history of this pathology, and the effect of physical activity in reducing such risk, people with family history of diabetes may need higher levels of physical activity to attenuate their susceptibility to T2D. PMID- 29203320 TI - Characterization of basal gene expression trends over a diurnal cycle in Xiphophorus maculatus skin, brain and liver. AB - Evolutionarily conserved diurnal circadian mechanisms maintain oscillating patterns of gene expression based on the day-night cycle. Xiphophorus fish have been used to evaluate transcriptional responses after exposure to various light sources and it was determined that each source incites distinct genetic responses in skin tissue. However, basal expression levels of genes that show oscillating expression patterns in day-night cycle, may affect the outcomes of such experiments, since basal gene expression levels at each point in the circadian path may influence the profile of identified light responsive genes. Lack of knowledge regarding diurnal fluctuations in basal gene expression patterns may confound the understanding of genetic responses to external stimuli (e.g., light) since the dynamic nature of gene expression implies animals subjected to stimuli at different times may be at very different stages within the continuum of genetic homeostasis. We assessed basal gene expression changes over a 24-hour period in 200 select Xiphophorus gene targets known to transcriptionally respond to various types of light exposure. We identified 22 genes in skin, 36 genes in brain and 28 genes in liver that exhibit basal oscillation of expression patterns. These genes, including known circadian regulators, produced the expected expression patterns over a 24-hour cycle when compared to circadian regulatory genes identified in other species, especially human and other vertebrate animal models. Our results suggest the regulatory network governing diurnal oscillating gene expression is similar between Xiphophorus and other vertebrates for the three Xiphophorus organs tested. In addition, we were able to categorize light responsive gene sets in Xiphophorus that do, and do not, exhibit circadian based oscillating expression patterns. PMID- 29203324 TI - [Towards a social determinants-oriented approach to public health: workshop report]. AB - This article is the result of a workshop with public health experts held in Granada (Spain) in October 2015 in order to reflect upon the components of the framework that should be part of a public health approach based on the social determinants of health. Advocacy and training professionals in health advocacy were identified as key elements where this was needed. During the workshop, it was agreed that the gender perspective, the salutogenic approach, interdisciplinary work and particular attention to disadvantaged groups are crucial. The importance of working from a human rights' framework and promoting legislative changes were also mentioned. Moreover, the group mentioned that even though much progress has been made identifying social determinants of health and creating conceptual frameworks, there is limited knowledge about how to intervene to reduce health inequality gaps in our societies. PMID- 29203325 TI - [Multiple sclerosis, loss of functionality and gender]. AB - OBJECTIVE: To identify the type of support and assistance that patients with multiple sclerosis need in order to cope with the loss of functionality, and to show how gender affects the perception of these needs. METHOD: Interpretative phenomenological qualitative study. LOCATION: Granada (Spain). Year: 2014. Intentional sample: 30 patients and 20 family caregivers. Data were gathered from 26 interviews and 4 focus groups. The data were coded and analysed with the NVivo programme. RESULTS: The multiple sclerosis patients and family caregivers had different perceptions of the loss of capacity to undertake activities of daily living. Being able to self care was considered the last vestige of autonomy. The women with multiple sclerosis tried to take on the responsibility of housework, but the male caregivers became gradually involved in these tasks. Gender roles were redefined with respect to housekeeping. The multiple sclerosis patients showed a need for emotional support. Some of the men had abandoned the stereotype of the strong male as a result of the decline in their health. Adaptations in the home took place without planning them in advance. The use of mobility devices started on an occasional basis. A fear of stigma was an obstacle for regular use of assistive technology. CONCLUSIONS: Health care for people with multiple sclerosis should include family caregivers. Gender influences the perception that caregivers and patients have of the assistance they require to maximise their quality of life. This flags up several intervention areas for the follow-up and long-term care of these patients by the healthcare system. PMID- 29203326 TI - Crosstalk between reactive oxygen species and nitric oxide in plants: Key role of S-nitrosoglutathione reductase. AB - Nitric oxide (.NO) acts as signaling molecule in plants being involved in diverse physiological processes such as germination, root growth, stomata closing and response to biotic and abiotic stress. S-Nitrosoglutathione (GSNO) is the storage and transport form of.NO and has a very important function in.NO signaling since it can transfer its.NO moiety to other proteins (trans-nitrosylation). The level of GSNO and thus the level of S-nitrosylated proteins are regulated by GSNO reductase (GSNOR). In this way, this enzyme regulates the S-nitrosothiol levels and plays a balancing role in fine-tuning.NO signaling. Interestingly, oxidative post-translationally modification of GSNOR inhibited the activity of this enzyme suggesting a direct crosstalk between ROS- and RNS-signaling. In this review article the regulatory effects of ROS on GSNOR are highlighted and their physiological function in context of crosstalk between ROS and.NO and species in plants are discussed. PMID- 29203327 TI - ROS-induced ROS release in plant and animal cells. AB - Reactive oxygen species (ROS) play a key signaling role in plant and animal cells. Among the many cellular mechanisms used to generate and transduce ROS signals, ROS-induced ROS release (RIRR) is emerging as an important pathway involved in different human pathologies and plant responses to environmental stress. RIRR is a process in which one cellular compartment or organelle generates or releases ROS, triggering the enhanced production or release of ROS by another compartment or organelle. It was initially described in animal cells and proposed to mediate mitochondria-to-mitochondria communication, but later expanded to include communication between mitochondria and plasma membrane localized NADPH oxidases. In plants a process of RIRR was demonstrated to mediate long distance rapid systemic signaling in response to biotic and abiotic stress. This process is thought to involve the enhanced production of ROS by one cell that triggers the enhanced production of ROS by a neighboring cell in a process that propagates the enhanced "ROS production state" all the way from one part of the plant to another. In contrast to the intracellular nature of the RIRR process of animal cells, the plant RIRR process is therefore primarily studied at the cell-to-cell communication level. Studies on intracellular (organelle-to organelle, or organelle-to-NADPH oxidase) RIRR pathways are very scarce in plants, whereas studies on cell-to-cell RIRR are very scarce in animals. Here we will attempt to highlight what is known in both systems and what each system can learn from the other. PMID- 29203328 TI - Response to comment on "Indoor terrestrial gamma dose rate mapping in France: A case study using two different geostatistical models" by Warnery et al. AB - Elements to answer the points raised in the Letter in question are proposed, notably about exposure metrics and their influence on the results and statistical power of epidemiological studies. PMID- 29203329 TI - Bruch's membrane opening on optical coherence tomography in pediatric papilledema and pseudopapilledema. AB - PURPOSE: To determine whether the diameter of Bruch's membrane opening (BMO) can distinguish mild papilledema from pseudopapilledema using optical coherence tomography (OCT). METHODS: The medical records of pediatric patients with pseudopapilledma due to optic nerve head (ONH) drusen, patients with papilledema, and normal control subjects were retrospectively reviewed. All eyes underwent OCT imaging of the BMO and retinal nerve fiber layer (RNFL). Transverse horizontal diameter of the BMO and papillary height were measured. Mean BMO, papillary height, and RNFL were compared and receiver operating characteristic (ROC) curves were used to calculate the area under the curve (AUC) and determine BMO and RNFL cut-offs for papilledema and pseudopapilledema. RESULTS: A total of 90 eyes of 90 subjects were included: 58 with pseudopapilledema, 19 with papilledema, and 13 controls. In eyes with papilledema, mean BMO, papillary height, and RNFL decreased as papilledema resolved (1893.8 vs 1582.2 [P = 0.0003], 193.0 vs 108.9 [P < 0.0001], 893.3 vs 695.5 [P = 0.0007], resp.). Eyes with mild papilledema had greater mean BMO and RNFL than those with pseudopapilledema and controls (1893.8 vs 1541.9 vs 1628.8 [P < 0.0001, P = 0.0265] and 193.0 vs 108.7 vs 104.1 [P < 0.0001, P < 0.0001], resp.). Papillary height in mild papilledema was similar to pseudopapilledema but greater than controls (893.3 vs 863.2 vs 593.5 [P = 0.47 and P = 0.0001], resp.). ROC showed good diagnostic discrimination for BMO (AUC = 0.81; 95% CI, 0.70-0.92) and RNFL (AUC = 0.96; 95% CI, 0.93-1.0) in distinguishing mild papilledema from pseudopapilledema. CONCLUSIONS: The horizontal transverse diameter of BMO is enlarged in eyes with mild papilledema and narrows as papilledema resolves. BMO and RNFL can be used together to help distinguish mild papilledema from pseudopapilledema in children. PMID- 29203330 TI - Changes in Caenorhabditis elegans gene expression following exposure to Photorhabdus luminescens strain TT01. AB - Photorhabdus bacteria enter into a mutualistic symbiosis with Heterorhabditis nematodes to infect insect larvae. However, they rapidly kill the model nematode Caenorhabditis elegans. One hypothesis for these divergent outcomes is that the nematode defense responses differ. To begin testing this hypothesis, we have systematically analyzed available data on the transcriptional response of C. elegans to P. luminescens strain Hb. From a starting pool of over 7000 differentially expressed genes, we carefully chose 21 Heterorhabditis-conserved genes to develop as comparative markers. Using newly designed and validated qRT PCR primers, we measured expression of these genes in C. elegans exposed to the sequenced TT01 strain of P. luminescens, on two different media types. Almost all (18/21) of the genes showed a significant response to P. luminescens strain TT01. One response is dependent on media type, and a subset of genes may respond differentially to distinct strains. Overall, we have established useful resources and generated new hypotheses regarding how C. elegans responds to P. luminescens infection. PMID- 29203331 TI - A crucial role of paralogous beta-defensin genes in the Chinese alligator innate immune system revealed by the first determination of a Crocodilia defensin cluster. AB - The beta-defensin, one of the antimicrobial peptides (AMPs), is a significant component of the innate immune with a broad range of antimicrobial activities. Differing from the widely-studied mammals and birds, limited information about beta-defensins has been reported in reptiles, especially in crocodilians. As a same ancient species as dinosaurs and the most endangered species of 23 crocodilians, the survival of Chinese alligator (Alligator sinensis) means a powerful immune system and possible involvement of AMPs in its immune resistance. In this study, we identified 20 novel Alligator sinensisbeta-defensin genes (AsBDs) from a 390 kb region using bioinformatic and experimental approaches, and successfully distinguished six orthologous AsBDs to birds and nine paralogous AsBDs undergoing gene duplication events. The amino acid alignment shows that the AsBD paralogs, like alpha-defensins, encode a significantly longer pro-piece comparing with the orthologs. The calculation of non-synonymous (dN) and synonymous (dS) substitutions in the mature peptide reveals that the AsBD paralogs experience a significantly higher selective pressure (dN/dS) than the orthologs, but a similar evolutionary force to alpha-defensins. The gene expression result indicates that the AsBD paralogs have a significantly higher expression level than the orthologos in gastrointestinal tract where the host is vulnerable to enteric pathogenic bacteria, as observed in alpha-defensins. These three pieces of evidence demonstrate that the AsBD paralogs do play an important role in maintaining long-term survival of this endangered reptile. Thus, this survey of AsBDs on the genomic structure, evolutionary characteristics, and expression pattern provides a genetic and immunological foundation for further investigating their antimicrobial function and alternative antibiotics potentiality. PMID- 29203332 TI - Toll-like receptor (TLR) 22, a non-mammalian TLR in Asian seabass, Lates calcarifer: Characterisation, ontogeny and inductive expression upon exposure with bacteria and ligands. AB - Toll-like receptor (TLR) 22 is a non-mammalian TLR found mostly in teleosts and characterized initially as a cell surface surveillance receptor for detecting extracellular long dsRNA. In the current study, the full-length cDNA sequence consisting of 3312 nucleotides encoding for 960 amino acids in Asian seabass (Lates calcarifer) TLR22 (AsTLR22) was identified. From the putative protein sequence, signature TLR domains such as 18 LRR domains, two transmembrane domains, a single LRR_CT domain and an intracellular TIR domain could be predicted. Phylogenetic analysis showed that AsTLR22 is clustered with other teleost TLR22 and is distinctly different from the other TLR groups. The transcript of AsTLR22 was ubiquitously expressed in all the tissues tested of healthy juveniles with the highest expression in gill followed by hindgut, spleen and skin. The AsTLR22 mRNA transcript was also detected in all the developmental stages as early as unfertilized eggs with higher expression in later stages such as neurula and early embryo. The dsRNA viral analogue, poly (I:C) and Gram negative bacterium, Vibrio alginolyticus, were found to modulate the AsTLR22 expression in different tissues with the highest expression in kidney and liver. Gram-positive bacterium, Staphylococcus aureus, was also found to regulate the AsTLR22 expression at certain time-points with the highest expression in gill. Similarly, noticeable change in AsTLR22 expression was detected in SISK cell line induced with different ligands such as poly (I:C), LPS and PGN. The findings indicate that AsTLR22 responds in transcript level towards bacteria-borne PAMPs and extracellular dsRNA in the euryhaline teleost Asian seabass. Further, this might act as an important pathogen surveillance receptor during early developmental stages. PMID- 29203333 TI - Perinatal fluoxetine increases hippocampal neurogenesis and reverses the lasting effects of pre-gestational stress on serum corticosterone, but not on maternal behavior, in the rat dam. AB - There is increasing evidence that mental health concerns, stress-related mental illnesses, and parental stress prior to conception have long-term effects on offspring outcomes. However, more work is needed to understand how pre gestational stress might affect neurobehavioral outcomes in the mother. We investigated how chronic stress prior to gestation affects maternal behavior and related physiology, and aimed to determine the role that perinatal SSRIs have in altering these stress effects. To do this, female Sprague-Dawley rats were subject to chronic unpredictable stress (CUS) prior to breeding. During the perinatal period they were administered fluoxetine (10mg/kg/day). Four groups of dams were studied: Control+Vehicle, Pre-gestational Stress+Vehicle, Control+Fluoxetine and Pre-gestational Stress+Fluoxetine. Maternal weight, breeding success, and maternal caregiving behaviors were recorded. Measures of serum corticosterone and corticosteroid-binging globulin (CBG) and the number of immature neurons in the dorsal hippocampus were also assessed in the late postpartum. Main findings show pre-gestational stress resulted in poor reproductive success and maintenance of pregnancy. Pre-gestationally stressed dams also showed higher levels of nursing and fewer bouts of licking/grooming offspring in the first week postpartum - behaviors that were not reversed by perinatal fluoxetine treatment. In the dam, perinatal fluoxetine treatment reversed the effect of pre-gestational maternal stress on serum corticosterone levels and increased serum CBG levels as well as neurogenesis in the dorsal hippocampus. Maternal corticosterone levels significantly correlated with blanket and passive nursing. This work provides evidence for a long-term impact of stress prior to gestation in the mother, and shows that perinatal SSRI medications can prevent some of these effects. PMID- 29203334 TI - Sex differences in olfactory-induced neural activation of the amygdala. AB - Olfactory signals, including the scent of urine, are thought to be processed by specific brain regions, such as the medial amygdala (Me), and regulate sexual behavior in a sex-dependent manner. We aimed to reveal the sex-specific neural circuit from the accessory olfactory bulb (AOB) to Me by using a transgenic mouse. We quantified the long-lasting green fluorescent protein (GFP) expression profile, which was controlled by the c-fos promotor in a sex-dependent manner by the scent of urine. Female urine predominantly activated neurons of the posterodorsal medial amygdala (MePD) in male mice and the posteroventral medial amygdala (MePV) in female mice. Male urine, in contrast, generated the opposite pattern of activation in the Me. Secondary, the selective artificial activation of these circuits was used to examine their specific behavioral function, by using a dual Cre-loxP viral infection. AAV-hSyn-FLEX-hM3Dq-EGFP-the designer receptor exclusively activated by a designer drug-was infused into the AOB after infection with trans-synaptic AAV(DJ)-CMV-mCherry-2A-Cre-TTC into either the MePD or the MePV. Double virus-transfected mice were injected with hM3Dq activator and their sexual behavior was monitored. However, selective activation of sex dependent circuits, i.e., the AOB-MePD or AOB-MePV, did not significantly alter mounting or attack behavior in male mice. There were clear sex differences in the pheromone conveying circuits in the AOB-Me of mice. The sex-dependent functional activation of the Me, however, no effect on behavior. This suggests that a diverse number of nuclei and brain areas are likely to function in concert to successfully facilitate sexual and aggressive behaviors. PMID- 29203335 TI - Hex Maze: A new virtual maze able to track acquisition and usage of three navigation strategies. AB - Spatial navigation is a complex and multi-faceted skill that, in humans, is understood to encompass two distinct navigational strategies, namely allocentric and egocentric navigation. These differ in the frame of reference used and the brain networks activated. However, egocentric navigation can be further divided into two, equally distinct strategies depending on whether the navigator is using subject-to-object relations (egocentric-cue) or direction of body turns (egocentric-response) to navigate. To date, there are no experimental paradigms able to distinguish between participants' employment of allocentric, egocentric cue and egocentric-response strategies, and to track their usage over time. The current study presents the Hex Maze: a novel virtual environment that can not only distinguish between the three navigational strategies, but can also be used to index aspects of strategy use such as preference, acquisition, stability and competence. To illustrate this, 32 male and 32 female participants were presented with the Hex Maze and sex differences in strategy usage were explored. While the results offer some support for previously identified sex differences in strategy preference, there were no significant sex differences in the novel measures of strategy acquisition, stability, or multi-strategy competence. Additionally, our results suggest that strategy preference does not preclude learning to competently navigate using other strategies. Importantly, the current study offers validation for the Hex Maze as an unbiased method of exploring spatial navigation, and it is anticipated that this easy-to-use tool will be valuable across research and clinical settings. PMID- 29203337 TI - Shati/Nat8l knockout mice show behavioral deficits ameliorated by atomoxetine and methylphenidate. AB - We previously identified a novel molecule, SHATI/NAT8L, as having an inhibitory effect on methamphetamine dependence. We generated Shati/Nat8l knockout (KO) mice and found that they showed neurochemical changes and behavioral abnormalities related to attention deficit/hyperactivity disorder (AD/HD). In this study, we assessed validities of the Shati/Nat8l KO mice as a new animal model for AD/HD through a behavioral pharmacology approach. We conducted a locomotor activity test in a novel environment, a cliff avoidance test, and an object-based attention assay using Shati/Nat8l KO mice at the ages of 4 and 8 weeks. We found that at the ages of both 4 and 8 weeks, Shati/Nat8l KO mice showed hyperactivity in locomotor activity test, shortened jumping latency in cliff avoidance test, and lower recognition index in object-based recognition test. Moreover, we evaluated the effects of atomoxetine (ATX) and methylphenidate (MPH) on the behavioral deficits in Shati/Nat8l KO mice. As the result, almost all behavioral deficits were improved by the treatment of both ATX and MPH. Our findings suggest that Shati/Nat8l KO mice have an impaired neural system similar to AD/HD pathophysiology. Shati/Nat8l KO mice might serve as a novel and a useful animal model for the pathophysiology of AD/HD. PMID- 29203336 TI - Spontaneous recovery of traumatic brain injury-induced functional deficits is not hindered by daily administration of lorazepam. AB - Agitation and aggression are common sequelae of traumatic brain injury (TBI) and pose a challenge to physicians and other health providers during acute patient care and subsequent neurorehabilitation. Antipsychotic drugs (APDs) are routinely administered to manage TBI patients displaying such maladaptive behaviors despite several clinical and preclinical studies demonstrating that they hinder recovery. A potentially viable alternative to APDs may be the benzodiazepines, which have differing mechanisms of action. Hence, the aim of the study was to test the hypothesis that lorazepam (LOR) would not impede recovery after TBI. Anesthetized adult male rats received a cortical impact or sham injury and then were intraperitoneally administered LOR (0.1mg/kg, 1.0mg/kg, or 2.0mg/kg) or vehicle (VEH; 1mL/kg) commencing 24-h after surgery and once daily for 19days. Motor and cognitive outcomes were assessed on post-operative days 1-5 and 14-19, respectively. No differences were revealed among the four sham control groups and thus they were pooled into one inclusive SHAM group. The SHAMs performed better than all TBI groups on all assessments (p<0.05). Regarding TBI, the 2.0mg/kg LOR group performed better than the VEH and 0.1mg/kg or 1.0mg/kg LOR groups on every task (p<0.05); no differences were observed among the latter three groups on any endpoint (p>0.05). Overall, these preclinical behavioral data support the hypothesis and reveal a therapeutic benefit with the higher dose of LOR. The findings suggest that LOR may be an alternative, to APDs, for controlling agitation without compromising spontaneous recovery and perhaps could afford a dual benefit by also promoting therapeutic efficacy. PMID- 29203338 TI - The PAQosome, an R2TP-Based Chaperone for Quaternary Structure Formation. AB - The Rvb1-Rvb2-Tah1-Pih1/prefoldin-like (R2TP/PFDL) complex is a unique chaperone that provides a platform for the assembly and maturation of many key multiprotein complexes in mammalian cells. Here, we propose to rename R2TP/PFDL as PAQosome (particle for arrangement of quaternary structure) to more accurately represent its unique function. PMID- 29203339 TI - Head and neck Merkel cell carcinoma: a retrospective case series and critical literature review with emphasis on treatment and prognosis. AB - OBJECTIVE: Merkel cell carcinoma (MCC) is a rare cutaneous malignancy with a high recurrence and mortality rates. More than half of MCCs occur in the head and neck region. This paper aims to present a retrospective case series study of primary MCCs of the head and neck treated in our department over 12 years. STUDY DESIGN: Six patients were identified, and their characteristics, treatment modalities, and outcomes are reported. A critical review of the current literature is also included to provide up-to-date information on MCCs with special emphasis on treatment modalities and disease prognosis. RESULTS: Management of head and neck MCCs requires early and accurate diagnosis and includes surgery, radiotherapy, and/or combination chemotherapy. Accurate cervical nodal staging is of paramount importance before establishing the definite treatment plan. CONCLUSIONS: The results of both our case series and literature data review indicate that elective management of regional lymph nodes is recommended instead of an observation approach for patients with no identifiable disease in the lymph nodes (cN0). Because the majority of MCCs arise in the head and neck region, oral and maxillofacial surgeons are likely be the first professionals who will encounter this disease and should therefore be aware of the current diagnostic and treatment modalities. PMID- 29203340 TI - Decidual ACVR2A regulates extravillous trophoblast functions of adhesion, proliferation, migration and invasion in vitro. AB - Decidual stromal cells form the largest proportion of maternal cells at the maternal-fetal interface. Our aim was to investigate the role of the pre eclampsia associated decidual activin receptor, ACVR2A, in regulating trophoblast functions at this interface. St-T1b and HTR-8/SVneo cell lines were used to model decidual stromal and trophoblast cells respectively. St-T1b conditioned medium inhibited HTR-8/SVneo adhesion, proliferation, migration and invasion; all effects that were attenuated by decidual ACVR2A siRNA transfection. These findings suggest that altered decidual ACVR2A expression perturbs the maternal fetal crosstalk involved in regulating trophoblast function at the interface, which may affect placentation and lead to pre-eclampsia. PMID- 29203342 TI - Effect of early second-look hysteroscopy on reproductive outcomes after hysteroscopic adhesiolysis in patients with intrauterine adhesion, a retrospective study in China. AB - OBJECTIVE: The aim of this study was to assess the effect of early second-look hysteroscopy after hysteroscopic adhesiolysis for intrauterine adhesions (IUAs) on the pregnancy rate (PR) and live birth rate (LBR). STUDY DESIGN: It is a retrospective, observational study of 151 women were referred to our institution from January 2010 to January 2016. Operative hysteroscopy for treatment of IUAs and office hysteroscopic follow-up to assess IUAs. We investigated demographic characteristics, menstrual pattern, previous intrauterine surgery, reproductive history, ovarian preservation assessment, tubal patency examination, husband's semen test, obstetric parameters, and surgical variables to evaluate the effect of early second-look hysteroscopy after hysteroscopic adhesiolysis on the PR and LBR. RESULTS: Of 151 women treated for IUAs, the general PR was 71.5% and LBR was 53.0%. The PR and LBR were higher in the earlier second-look group (compared with second hysteroscopy later than 2 months group) and the group which received less than three times adhesiolysis (p < 0.05). The PR was higher in the amenorrhea group (compared with normal menses group) and recurrent miscarriage group (compared with infertility group) (p < 0.05). Logistic regression showed that the second-look time interval, times of operation to relieve adhesion, and pregnancy history were associated with the PR, while age and the second-look time interval were associated with the LBR. CONCLUSIONS: Early second-look hysteroscopic examinations within 2 months may increase the cumulative PR and LBR. PMID- 29203343 TI - Wide variation in organisation and clinical practice of paediatric intestinal failure teams: an international survey. AB - BACKGROUND & AIMS: We aimed to assess the current organisation and clinical practice of teams treating children with intestinal failure (IF) across Europe and compare the results with the current guideline. METHODS: A two-part online survey was sent to all the major European specialist IF services. The first part concerned general information about the team and patients monitored. The second part concerned important care topics such as vascular access and monitoring of complications. No patient identifiers were collected. RESULTS: Seventy-three respondents completed the first part, representing 61 teams in 20 countries. The median number of children on parenteral nutrition (PN) at home per team was 15 (range 1-125). Teams consisted of the following members: paediatric gastroenterologist (present in 100% of the teams), dietitian (95%), specialist nurse (92%), paediatric surgeon (89%), pharmacist (82%), psychologist (66%), social worker (62%), speech therapist (48%), physiotherapist (38%), general paediatrician (33%). The second part was completed by 67/73 respondents (59/61 teams). Vascular access care was comparable with the guideline. Somatostatin analogues were prescribed by 14% of the IF teams and probiotics by 44% of the teams. Prophylactic anticoagulation was used by 46% of the teams. In 81% of the teams a multicomponent lipid emulsion containing fish oil was routinely used. Bone densitometry was regularly performed in 75% of teams, but never performed in 19%. CONCLUSIONS: In conclusion, there is a wide diversity of composition of IF teams and their number of patients treated. Overall, there is good compliance to the current guideline. Clinical practice that varied most was the standard use of medication such as probiotics and somatostatin analogues, and standard monitoring of long-term complications. Experience regarding specific treatment options should be shared. Moreover, international agreement on standards of care with focus on implementation of the guideline is needed to optimise care and improve outcomes of children with IF. PMID- 29203341 TI - In vitro to in vivo extrapolation for high throughput prioritization and decision making. AB - In vitro chemical safety testing methods offer the potential for efficient and economical tools to provide relevant assessments of human health risk. To realize this potential, methods are needed to relate in vitro effects to in vivo responses, i.e., in vitro to in vivo extrapolation (IVIVE). Currently available IVIVE approaches need to be refined before they can be utilized for regulatory decision-making. To explore the capabilities and limitations of IVIVE within this context, the U.S. Environmental Protection Agency Office of Research and Development and the National Toxicology Program Interagency Center for the Evaluation of Alternative Toxicological Methods co-organized a workshop and webinar series. Here, we integrate content from the webinars and workshop to discuss activities and resources that would promote inclusion of IVIVE in regulatory decision-making. We discuss properties of models that successfully generate predictions of in vivo doses from effective in vitro concentration, including the experimental systems that provide input parameters for these models, areas of success, and areas for improvement to reduce model uncertainty. Finally, we provide case studies on the uses of IVIVE in safety assessments, which highlight the respective differences, information requirements, and outcomes across various approaches when applied for decision-making. PMID- 29203344 TI - Child Neurology Residency Program Directors and Program Coordinators 2016 Workforce Survey. AB - BACKGROUND: Responsibilities of Program Directors' (PDs) and Program Coordinators' (PCs) roles continue to evolve within Graduate Medical Education (GME). METHODS: In 2016, the authors conducted an anonymous electronic survey of Child Neurology and Neurodevelopmental Disabilities PDs (n = 76) and PCs (n = 68) to address workforce characteristics, challenges related to implementing Accreditation Council of Graduate Medical Education (ACGME) requirements, and institutional support. Responses were characterized with descriptive statistics. RESULTS: Response rate was 72% (46 of 76 PDs, 57 of 68 PCs). PD median clinical workloads were five half-day clinics weekly plus three months as hospital attending yearly. Most PDs (61%) reported having less, and many (43%) believed requirements were less, protected time than the ACGME requires. Most PCs have clerical titles (58%), no designated GME career path (79%), inaccurate job descriptions (86%), little to no formal GME training (61%), work-hours exceeding those scheduled (68%), and time allocation below ACGME recommendations (69%). More than half (54%) of hourly PCs reported responding to communications after hours, with nearly all (92%) unpaid for such work. Shared PD-PC concerns include faculty completion of resident evaluations (80%), inadequate protected time (71%), and low PC salary (70%). For both PDs and PCs, median time in the job was four years. CONCLUSIONS: Child neurology and neurodevelopmental disability residency PDs and PCs report problems that likely increase turnover and interfere with training. The ACGME should consider revising, formalizing, and disseminating requirements for protected time for PDs and PCs, based on realistic assessments of current administrative requirements, and monitoring compliance as part of program evaluations. PMID- 29203345 TI - Midline Facial Defects With Associated Brain Anomaly. PMID- 29203347 TI - Effect of dry heat treatment on physical property and in vitro starch digestibility of high amylose rice starch. AB - The influence of dry heat treatment (DHT) of high amylose rice starch was investigated on starch digestibility and physical properties and their characteristics were compared through the PCA analysis. High amylose rice starch was prepared by DHT under different temperatures (110, 130, and 150 degrees C) and times (0, 1, 2, and 4h). The gelatinization temperature and enthalpy decreased as temperature and time increased, revealing the change of semi crystalline region. There were significant increases in gel strength and pasting viscosity above 130 degrees C, whereas gel strength and pasting viscosity were reduced with increasing heating time. On in vitro starch digestibility of DHT starch gel, the rapidly digestible starch and predicted glycemic index of DHT starches were lower than those of native starch. Both the lowest predicted glycemic index and the highest gel strength was observed at 130 degrees C for 1h. In the results of PCA analysis, the heating temperature was negatively correlated with in vitro starch digestibility as well as pasting viscosity and gel strength. These results demonstrated that DHT could be useful of enhancing the physical and nutritional properties of high amylose rice starch. PMID- 29203346 TI - FTO demethylase activity is essential for normal bone growth and bone mineralization in mice. PMID- 29203348 TI - Secretory expression of recombinant small laccase from Streptomyces coelicolor A3(2) in Pichia pastoris. AB - This work reports for the first time the secretory expression of the small laccase (SLAC) from Streptomyces coelicolor A3(2) in Pichia pastoris. Using an AOX1 promoter and alpha factor as a secretion signal, the recombinant P. pastoris harbouring the laccase gene (rSLAC) produced high titres of extracellular laccase (500 +/- 10 U/l), which were further increased seven fold by pre-incubation at 80 degrees C for 30 min. The enzyme (~38 kDa) had an optimum activity at 80 degrees C, but optimum pH varied with substrate used. Km values for ABTS, SGZ and 2,6-DMP were 142.85 MUM, 10 MUM and 54.55 MUM and the corresponding kcat values were 60.6 s-1, 25.36 s-1 and 27.84 s-1, respectively. The t1/2 values of the rSLAC at 60 degrees C, 70 degrees C, 80 degrees C were 60 h, 32 h and 10 h, respectively. The enzyme deactivation energy (Ed) was 117.275 kJ/mol while DeltaG, DeltaH and DeltaS for thermal inactivation of the rSLAC were all positive. The rSLAC decolourised more than 90% of Brilliant Blue G and Trypan Blue dye in 6 h without the addition of a mediator. High titres of SLAC expressed in P. pastoris enhance its potential for various industrial applications. PMID- 29203349 TI - Interventions to improve the uptake of cervical cancer screening among lower socioeconomic groups: A systematic review. AB - Cervical cancer is the fourth most common cancer in women worldwide. Screening can reduce both the incidence and mortality of the disease but is often not utilized by lower socioeconomic groups. A systematic review, including studies of interventions to improve breast and cervical cancer screening uptake, up to 2006, found targeted interventions could be effective. A formal update has been conducted on the effectiveness of interventions to improve the uptake of cervical cancer screening among lower socioeconomic groups. A systematic computerized literature search was undertaken in June 2016 for relevant papers published since 2006. Data was extracted on study participants, setting, intervention and control using a predefined extraction tool and a full quality assessment was undertaken using the Cochrane risk of bias tool. This update yielded 16 studies of mixed quality, in addition to the 13 studies from the original review. The interventions were categorized into local interventions including HPV self testing, lay health advisors, inreach, outreach and mixed, and strategies enhancing attendance within an organized program. This review has found two large, randomized controlled trials for the use of HPV self-testing to increase cervical screening uptake. Both reviews have found varying success using lay health advisors, with the majority of included papers reporting a statistically significant increase in screening uptake. HPV self-testing can improve uptake of cervical cancer screening among lower socioeconomic groups. This is a relatively new method of cervical screening that was not included in the earlier review. The findings of this updated review largely support that of the 2006 review for the use of lay health advisors. PMID- 29203350 TI - Molecular characterization of a proteolytic bacterium in Panchagavya: An organic fertilizer mixture. AB - Fermented product of combination of five major substances obtained from cow, viz., urine, milk, ghee, curd, and dung, is known as Panchagavya. Its pro agricultural and medicinal value has been traditionally known to Indian farmers from Vedic period. In this study, the proteolytic properties of Panchagavya were investigated using Skim Milk Agar (SMA) form, a commercially available Panchagavya product. Proteolytic bacteria, SNCK-3, was successfully isolated. Further identification using 16s rDNA sequencing revealed that SNCK-3 belonged to Acinetobacter spp., which is a species of biofertilizer group. This observation justified the pro-agricultural role of Panchagavya. The present study represents primary data and it is essential to develop a new area of research for exposing the invisible or dormant Vedic biotechnological concepts, like Panchagavya. PMID- 29203351 TI - Tamarindus indica seeds improve carbohydrate and lipid metabolism: An in vivo study. AB - BACKGROUND: The tamarind seeds have a lot of nutrients that may be used to control cholesterol or glucose levels. OBJECTIVES: The effects of tamarind seeds (T) on lipid and carbohydrate metabolism in rats were studied. Rats were offered basal diet (BD) with T (2%, 4% or 8%) or without T. MATERIALS AND METHODS: Feeding and growth performance in rats were measured and samples of liver and blood were analyzed for glycogen content and levels of cholesterol and glucose respectively. RESULTS: The inclusion of T in the diet influences the feeding and growth performance in rats. The serum cholesterol level was reduced (p < 0.05) in Sprague Dawley (SD) rats fed on basal diet (BD) containing 4% and 8% T (0.24 +/- 0.14 g/l and 0.31 +/- 0.06 g/l respectively) compared to control (0.79 +/- 0.04 g/l). The serum glucose levels in the spontaneous hypertensive rats (SHR) was lower (50.74 +/- 2.50 mg/dl; p < 0.05) than control (93.52 +/- 10.83 mg/dl) at 4% T. Incorporation of increasing doses of T resulted in linear increase of glycogen storage in livers of SD rats fed on BD and high sucrose diet. CONCLUSION: Tamarind seeds can lower blood glucose and serum cholesterol and enhance storage of glycogen in rats. PMID- 29203352 TI - In vivo evaluation of antipyretic effects of some homeopathic ultra-high dilutions on Baker's yeast-induced fever on Similia principle. AB - BACKGROUND: Homeopathy is a controversial alternative system of medicine. The action of homeopathic medicines is considered slow and it is assumed that homeopathic medicines are ineffective in acute conditions such as fever. OBJECTIVE: In the present study, effects of 3 homeopathic medicines on baker's yeast induced fever were investigated. MATERIALS AND METHODS: 42 local strain rabbits were equally divided into 7 groups. Normal saline was orally administered to group 1 (normal control) rabbits without fever induction. Group 2 underwent baker's yeast-induced fever (negative control). Groups 3, 4, 5, 6 and 7 underwent baker's yeast-induced fever and were thereafter treated orally with paracetamol, Nux vomica 200C and 1M, Calcarea phos 200C and Belladonna 200C respectively. Rectal temperature was checked hourly. The abdominal writhing and frequency of loose stools were also monitored. ANOVA was applied for checking statistical significance. p <= 0.05 was considered significant. RESULTS: The rectal temperature increased significantly (p < 0.05) in the negative control group when compared to the normal control. Abdominal writhing and loose stools monitoring showed increased writhing and loose stools frequency of group 2, 3, 6 and 7 rabbits. However, treatment of paracetamol significantly reduced rectal temperature. Group 4 & 5 showed significant reduction of rectal temperature together with abatement of abdominal writhing and loose stools. CONCLUSION: N. vomica ultra-high dilutions have normalized rectal temperature and prevented the abdominal writhing and loose stools in baker's yeast-induced fever model of rabbits. It could be due to antidotal activity of N. vomica ultra-high dilutions. Therefore, N. vomica ultra-high dilutions can be useful antipyretic agents and can treat conditions associated with gastrointestinal symptoms. However, fixed conclusion can't be asserted due to caveat of small sample size. PMID- 29203353 TI - Calcipotriol as pretreatment prior to daylight-mediated photodynamic therapy in patients with actinic keratosis: A case series. AB - This split-face design study evaluated the effect of pretreatment with calcipotriol prior to daylight-mediated photodynamic therapy (DL-PDT) in patients with actinic keratosis (AK). The study included 11 subjects with grade I-III AK (mean age: 55 years). Subjects used once-daily calcipotriol 50 mcg/g ointment on half the face/scalp for 15 days prior to DL-PDT. Evaluations of efficacy, safety and subject satisfaction were conducted 48 h and 7 days after treatment, and at 1 and 3-month follow-ups. Three months after treatment with calcipotriol/DL-PDT and DL-PDT alone, the complete response rate was 85% and 70%, respectively. The partial response rate was 12% and 25%, respectively. During calcipotriol pretreatment, 6 subjects reported erythema and moderate desquamation. In 7 subjects, calcipotriol/DL-PDT was associated with more marked erythema than that observed with DL-PDT alone. Eight subjects reported they preferred DL-PDT alone due to the inconvenience caused by the daily application of calcipotriol and the related erythema and desquamation. Although calcipotriol improved the efficacy of DL-PDT, it may not be applicable to all patients. DL-PDT is a simpler, safer and more convenient option than conventional-PDT. Therefore, the use of additional agents prolonging the course of treatment and increasing cost may diminish the advantages currently offered by DL-PDT. PMID- 29203354 TI - Unicompartmental Knee Arthroplasty vs High Tibial Osteotomy for Knee Osteoarthritis: A Systematic Review and Meta-Analysis. AB - BACKGROUND: Prior studies have compared unicompartmental knee arthroplasty (UKA) with high tibial osteotomy (HTO) suggesting that both procedures had good clinical outcomes. However, which treatment is more beneficial for unicompartmental knee osteoarthritis is still a controversy. The purpose of our study is to obtain postoperative outcomes of revision rate, complications, function results, range of motion (ROM), and pain between the 2 procedures. METHODS: Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines were followed and study protocol was published online at PROSPERO under registration number CRD42016049316. We searched the databases MEDLINE, EMBASE, Cochrane Library, and Web of Science up to May 2017. Articles that directly compared postoperative outcomes of UKA to HTO were included. RESULTS: A total of 10 comparative studies were included in our meta-analysis. UKA patients showed less revision rate, less complications, and less postoperative pain than HTO patients; however, HTO patients obtained more ROM. No significant difference was observed between the group accruing to the knee function scores and excellent/good surgical results. CONCLUSION: UKA offers a safe and efficient alternative to osteoarthritis reduced postoperative pain, less postoperative complication, and revision. The 2 surgical techniques showed satisfactory function results for the patients; however, the HTO group achieved superior ROM compared to the UKA group. HTO may be suitable for patients with high activity requirements. Treatment options should be carefully considered for each patient in accordance with their age, body mass index, grade of osteoarthritis, and patients' activity levels. PMID- 29203355 TI - A randomized placebo-controlled phase 3 trial of an antisense oligonucleotide, drisapersen, in Duchenne muscular dystrophy. AB - This 48-week, randomized, placebo-controlled phase 3 study (DMD114044; NCT01254019) evaluated efficacy and safety of subcutaneous drisapersen 6 mg/kg/week in 186 ambulant boys aged >=5 years, with Duchenne muscular dystrophy (DMD) resulting from an exon 51 skipping amenable mutation. Drisapersen was generally well tolerated, with injection-site reactions and renal events as most commonly reported adverse events. A nonsignificant treatment difference (P = 0.415) in the change from baseline in six-minute walk distance (6MWD; primary efficacy endpoint) of 10.3 meters in favor of drisapersen was observed at week 48. Key secondary efficacy endpoints (North Star Ambulatory Assessment, 4-stair climb ascent velocity, and 10-meter walk/run velocity) gave consistent findings. Lack of statistical significance was thought to be largely due to greater data variability and subgroup heterogeneity. The increased standard deviation alone, due to less stringent inclusion/exclusion criteria, reduced the statistical power from pre-specified 90% to actual 53%. Therefore, a post-hoc analysis was performed in 80 subjects with a baseline 6MWD 300-400 meters and ability to rise from floor. A statistically significant improvement in 6MWD of 35.4 meters (P = 0.039) in favor of drisapersen was observed in this subpopulation. Results suggest that drisapersen could have benefit in a less impaired population of DMD subjects. PMID- 29203357 TI - The Health Correlates of Culture: Examining the Association Between Ethnic-Racial Identity and Diurnal Cortisol Slopes. AB - PURPOSE: The objective of this study was to examine the link between ethnic racial identity (ERI) components (exploration, resolution, and affirmation) and youths' diurnal cortisol slopes. METHODS: A sample of 103 U.S.-Mexican adolescents (Mage = 15.29 years) living in the Southwest participated in an in home interview and 3-day salivary sampling protocol. RESULTS: ERI affirmation, but not exploration or resolution, was related to steeper diurnal slopes (greater declines in cortisol from waking to bedtime) after controlling for adolescents' life stressors, acculturation level, ethnic-racial discrimination, and daily behaviors (i.e., caffeine use, hours of exercise, hours of sleep, and medication level). CONCLUSIONS: This study provides initial evidence of the physiological benefits of ERI affirmation. Given that steeper diurnal slopes are thought of as an indicator of positive health, our findings point to the importance of examining cultural processes in the well-being of ethnic-racial minority youth. PMID- 29203356 TI - 226th ENMC International Workshop:: Towards validated and qualified biomarkers for therapy development for Duchenne muscular dystrophy 20-22 January 2017, Heemskerk, The Netherlands. PMID- 29203358 TI - Dietary Fish Oil Supplementation Enhances Expression of Genes Involved in Cornified Cell Envelope Formation in Rat Skin. PMID- 29203359 TI - Bone Marrow-Derived Stem Cells Migrate into Intraepidermal Skin Defects of a Desmoglein-3 Knockout Mouse Model but Preserve their Mesodermal Differentiation. AB - Inherited forms of epidermolysis bullosa are blistering diseases of the skin and mucosa resulting from various gene mutations. Transplantation of bone marrow derived stem cells might be a promising systemic treatment for severe dystrophic or junctional epidermolysis bullosa, but many key questions remain unresolved. Two open questions of clinical interest are whether systemically transplanted bone marrow-derived stem cells of mesodermal origin might be able to transdifferentiate into keratinocytes with an ectodermal phenotype and whether these cells are also capable of repairing a specific intraepidermal gene defect. To address these questions, we transplanted bone marrow-derived stem cells into mice with a blistering disease exclusively localized to the epidermis resulting from a functional knockout of desmoglein-3 (Dsg3). We found that Dsg3+ donor derived cells migrate into the recipient epidermis. However, these cells failed to restore the missing Dsg3 mRNA and DSG3 protein expression in the transplanted Dsg3-/- mice. The donor-derived cells found in the epidermis preserved their CD45+ hematopoietic origin, and no transdifferentiation into integrin alpha6+ keratinocytes or integrin alpha6+/CD34+ epidermal stem cells occurred. Our results indicate that bone marrow-derived stem cells preserve their mesodermal fate after systemic transplantation and are not capable of treating patients with epidermolysis bullosa with an intraepidermal skin defect. PMID- 29203360 TI - The Genetics of Seborrheic Dermatitis: A Candidate Gene Approach and Pilot Genome Wide Association Study. PMID- 29203361 TI - Extracellular Vesicles as Biomarkers for the Detection of a Tumor Marker Gene in Epidermolysis Bullosa-Associated Squamous Cell Carcinoma. PMID- 29203362 TI - HLA-DQB1*03:01 as a Biomarker for Genetic Susceptibility to Bullous Pemphigoid Induced by DPP-4 Inhibitors. PMID- 29203363 TI - Mechanism of Action of G-Quadruplex-Forming Oligonucleotide Homologous to the Telomere Overhang in Melanoma. AB - T-oligo, a guanine-rich oligonucleotide homologous to the 3'-telomeric overhang of telomeres, elicits potent DNA-damage responses in melanoma cells; however, its mechanism of action is largely unknown. Guanine-rich oligonucleotides can form G quadruplexes (G4), which are stabilized by the hydrogen bonding of guanine residues. In this study, we confirmed the G4-forming capabilities of T-oligo using nondenaturing PAGE, nuclear magnetic resonance, and immunofluorescence. Using an anti-G-quadruplex antibody, we showed that T-oligo can form G4 in the nuclei of melanoma cells. Furthermore, using DNase I in a nuclease degradation assay, G4-T-oligo was found to be more stable than single-stranded T-oligo. G4-T oligo had decreased antiproliferative effects compared with single-stranded T oligo. However, G4-T-oligo has similar cellular uptake as single-stranded T oligo, as shown by FACS analysis. Inhibition of JNK, which causes DNA damage induced apoptosis, partially reversed the antiproliferative activity of T-oligo. T-oligo also inhibited mRNA expression of human telomerase reverse transcriptase, a catalytic subunit of telomerase that was reversed by JNK inhibition. Furthermore, two shelterin complex proteins TRF2/POT1 were found to be up regulated and bound by T-oligo, suggesting that T-oligo may mediate dissociation of these proteins from the telomere overhang. These studies show that T-oligo can form a G-quadruplex and that the antitumor effects of T-oligo may be mediated through POT1/TRF2 and via human telomerase reverse transcriptase inhibition through JNK activation. PMID- 29203364 TI - The presence of IL-8 +781 T/C polymorphism is associated with the parameters of severe Clostridium difficile infection. AB - PURPOSE: There is large variation in the clinical manifestations of Clostridium difficile infection (CDI). We also still can not predict which patients are more susceptible to reinfection with CDI. The aim of our study was to evaluate the effect of gene single nucleotide polymorphisms (SNP) of proinflammatory cytokines, specifically IL-1beta, IL-8 on the development, clinical course and recurrence of CDI. METHODS: We performed a prospective study of adults (130 people >= 18 years) including 65 patients with CDI treated in tertiary hospital and 65 healthy persons. The following 3 variants were analyzed for the occurrence of gene polymorphisms in patients with CDI versus the control group: IL-1beta +3953 A/G (rs1143634), IL-1beta -31 A/G (rs1143627), and IL-8 +781 T/C (rs2227306). Then, we assessed the correlation between these genetic polymorphisms and biochemical parameters important in CDI course, CDI severity as well as CDI recurrence. RESULTS AND CONCLUSIONS: The presence of genetic polymorphisms of IL-1beta +3953 A/G, -31 A/G and IL-8 +781 T/C did not have an effect on the development or recurrence of CDI. The presence of IL-8 +781 T/C polymorphism is associated with the severe CDI. PMID- 29203366 TI - Commentary to 'Reduction and standardization of surgical instruments in pediatric inguinal hernia repair'. PMID- 29203365 TI - Antibacterial activities, phytochemical analysis and chemical composition Makhlaseh extracts against the growth of some pathogenic strain causing poisoning and infection. AB - The aim of this study was to investigate the antibacterial activities and phytochemical analysis of extracts against the growth of some pathogenic strain causing poisoning and infection (Staphylococcus aureus, Streptococcus pyogenes, Staphylococcus epidermidis, Enterobacter aerogenes, Escherichia coli and Shigella flexneri). Makhlaseh components were identified via gas chromatography/mass spectrometry (GC/MS). Total phenolic content (TPC), alkaloids, tannins and saponins were determined. Antioxidant activity was determined calorimetrically for 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity. Antimicrobial effect of extracts was evaluated by five methods, pour plate, well diffusion, disk diffusion, minimum inhibitory concentration (MIC), and minimum bactericidal concentration (MBC). Camphor was the major compound of Makhlaseh. The TPC of aqueous and ethanolic Makhlaseh extracts was equal to 79.45 +/- 1.15 and 115.26 +/- 1.23 MUg GAE/mg, respectively. The antioxidant activity (IC50) test of aqueous and ethanolic Makhlaseh extracts showed 315.50 +/- 1.12 and 118.35 +/- 1.08 MUg/ml, respectively. MIC of the aqueous extract of Makhlaseh for Enterobacter aerogenes, Escherichia coli, Shigella flexneri, Staphylococcus aureus, Staphylococcus epidermidis and Streptococcus pyogenes were 32, 32, 16, 16, 8 and 8 mg/ml, respectively, and the MIC of the ethanolic extract were 16, 16, 16, 8, 4, and 4 mg/ml, respectively. The MBCs of the Makhlaseh extracts varied from 4 mg/ml to 128 mg/ml. Increasing concentration of Makhlaseh extracts had a significant effect (p <= 0.05) on inhibition zone diameter. In conclusion, using Makhlaseh extracts as a natural antibacterial composite in vitro have significant antibacterial ability over the studied strains. PMID- 29203367 TI - Cross-talk between hydrogen sulfide and carbon monoxide in the mechanism of experimental gastric ulcers healing, regulation of gastric blood flow and accompanying inflammation. AB - Hydrogen sulfide (H2S) and carbon monoxide (CO) exert gastroprotection against acute gastric lesions. We determined the cross-talk between H2S and CO in gastric ulcer healing process and regulation of gastric blood flow (GBF) at ulcer margin. Male Wistar rats with acetic acid-induced gastric ulcers were treated i.g. throughout 9 days with vehicle (control), NaHS (0.1-10 mg/kg) +/- zinc protoporphyrin (ZnPP, 10 mg/kg), d,l-propargylglycine (PAG, 30 mg/kg), CO releasing CORM-2 (2.5 mg/kg) +/- PAG. GBF was assessed by laser flowmetry, ulcer area was determined by planimetry/histology. Gastric mucosal H2S production was analysed spectrophotometrically. Protein and/or mRNA expression at ulcer margin for vascular endothelial growth factor (VEGF)A, epidermal growth factor receptor (EGFr), cystathionine-gamma-lyase (CSE), cystathionine-beta-synthase (CBS), 3 mercaptopyruvate sulfurtransferase (3-MST), heme oxygenases (HOs), nuclear factor (erythroid-derived 2)-like 2 (Nrf-2), cyclooxygenase (COX)-2, inducible nitric oxide synthase (iNOS), IL-1beta, TNF-alpha and hypoxia inducible factor (HIF) 1alpha were determined by real-time PCR or western blot. IL-1alpha, IL-1beta, IL 2, IL-4, IL-5, IL-6, IL-10, IL-12, IL-13, IFN-gamma, TNF-alpha, GM-CSF plasma concentration was assessed using Luminex platform. NaHS dose-dependently decreased ulcer area and increased GBF but ZnPP attenuated these effects. PAG decreased H2S production but failed to affect CORM-2-mediated ulcer healing and vasodilation. NaHS increased Nrf-2, EGFr, VEGFA and decreased pro-inflammatory markers expression and IL-1beta, IL-2, IL-13, TNF-alpha, GM-CSF plasma concentration. CORM-2 decreased IL-1beta and GM-CSF plasma levels. We conclude that NaHS accelerates gastric ulcer healing increasing microcirculation and Nrf 2, EGFr, VEGFA expression. H2S-mediated ulcer healing involves endogenous CO activity while CO does not require H2S. NaHS decreases systemic inflammation more effectively than CORM-2. PMID- 29203368 TI - Modulating autophagy in cancer therapy: Advancements and challenges for cancer cell death sensitization. AB - Autophagy is a major protein degradation pathway capable of upholding cellular metabolism under nutrient limiting conditions, making it a valuable resource to highly proliferating tumour cells. Although the regulatory machinery of the autophagic pathway has been well characterized, accurate modulation of this pathway remains complex in the context of clinical translatability for improved cancer therapies. In particular, the dynamic relationship between the rate of protein degradation through autophagy, i.e. autophagic flux, and the susceptibility of tumours to undergo apoptosis remains largely unclear. Adding to inefficient clinical translation is the lack of measurement techniques that accurately depict autophagic flux. Paradoxically, both increased autophagic flux as well as autophagy inhibition have been shown to sensitize cancer cells to undergo cell death, indicating the highly context dependent nature of this pathway. In this article, we aim to disentangle the role of autophagy modulation in tumour suppression by assessing existing literature in the context of autophagic flux and cellular metabolism at the interface of mitochondrial function. We highlight the urgency to not only assess autophagic flux more accurately, but also to center autophagy manipulation within the unique and inherent metabolic properties of cancer cells. Lastly, we discuss the challenges faced when targeting autophagy in the clinical setting. In doing so, it is hoped that a better understanding of autophagy in cancer therapy is revealed in order to overcome tumour chemoresistance through more controlled autophagy modulation in the future. PMID- 29203370 TI - Pregnancy Around the Clock. AB - A recent study introduced the existence of an 'immune clock' in pregnancy; during the course of gestation, peripheral blood cells from pregnant women were analyzed by mass cytometry using a single-cell signaling-based elastic net algorithm. The insights will undoubtedly promote the testing of such a clock - possibly in synergy with other pacemakers - to potentially predict pregnancy complications. PMID- 29203369 TI - Gasotransmitter hydrogen sulfide signaling in neuronal health and disease. AB - Hydrogen sulfide is a gaseous signaling molecule or gasotransmitter which plays important roles in a wide spectrum of physiologic processes in the brain and peripheral tissues. Unlike nitric oxide and carbon monoxide, the other major gasotransmitters, research on hydrogen sulfide is still in its infancy. One of the modes by which hydrogen sulfide signals is via a posttranslational modification termed sulfhydration/persulfidation, which occurs on reactive cysteine residues on target proteins, where the reactive SH group is converted to an SSH group. Sulfhydration is a substantially prevalent modification, which modulates the structure or function of proteins being modified. Thus, precise control of endogenous hydrogen sulfide production and metabolism is critical for maintenance of optimal cellular function, with excess generation and paucity, both contributing to pathology. Dysregulation of the reverse transsulfuration pathway which generates hydrogen sulfide occurs in several neurodegenerative diseases such as Parkinson's disease, Huntington's disease and Alzheimer's disease. Accordingly, treatment with donors of hydrogen sulfide or stimulation of the reverse transsulfuration have proved beneficial in several neurodegenerative states. In this review we focus on hydrogen sulfide mediated neuronal signaling processes that contribute to neuroprotection. PMID- 29203371 TI - High glucose up-regulates Semaphorin 3A expression via the mTOR signaling pathway in keratinocytes: A potential mechanism and therapeutic target for diabetic small fiber neuropathy. AB - Small fiber neuropathy (SFN) is a common complication in diabetes, and is characterized by decreased intraepidermal nerve fiber density (IENFD). Semaphorin 3A (Sema3A), which is produced by keratinocytes, has a chemorepulsive effect on intraepidermal nerve fibers. mTOR signaling can mediate local protein synthesis that is critical for growth of axons and dendrites. Therefore, this study aimed to investigate whether Sema3A is up-regulated in diabetic keratinocytes via the mTOR-mediated p70 S6K and 4E-BP1 signaling pathways, and furthermore whether it is involved in the pathogenesis of diabetic SFN. IENFD, expression of Sema3A, and mTOR signaling, were evaluated in the skin of diabetic patients with SFN as well as control subjects. Sema3A and mTOR signaling were also assessed in HaCaT cells which had been treated with high glucose (HG) or recombinant Sema3A (rSema3A) in the presence or absence of rapamycin. Small fiber dysfunction was evaluated by examining IENFD and using behavioral tests in control and streptozotocin-induced diabetic rats treated with or without rapamycin. We found that higher Sema3A expression and over-activation of mTOR signaling, was accompanied by reduced IENFD in the skin of diabetic patients compared with control subjects. The expression of Sema3A, and mTOR signaling were up-regulated in HaCaT cells incubated with HG or rSema3A, and this could be attenuated by rapamycin. Hyperalgesia, reduced IENFD, and up-regulated Sema3A and mTOR signaling were also detected in diabetic rats. These effects were ameliorated by rapamycin treatment. Our data indicate that HG up-regulates Sema3A expression by activating mTOR signaling in diabetic keratinocytes. This pathway may therefore play a critical role in diabetic SFN. PMID- 29203372 TI - ROS production and glutathione response in keratinocytes after application of beta-carotene and VIS/NIR irradiation. AB - The skin is exposed to many stress factors which, in turn, can promote a shift of the antioxidant (AO) network towards the prooxidative side, supporting the development of various skin disorders. A balanced diet, in combination with a healthy lifestyle could reduce oxidative stress. Carotenoids are essential nonenzymatic AOs and main components of the exogenous AO system. To examine the interdependence between endogenous and exogenous AOs, secondary keratinocytes (HaCaT) were treated with various Beta (beta-)-carotene concentrations with subsequent stress treatment by moderate irradiation (700-2000 nm). To facilitate the uptake of beta-carotene, an innovative nanocrystal solution was used. Cell viability assay was applied to HaCaT cells to evaluate suitable concentration of beta-carotene, whereby the uptake was measured by resonant Raman spectroscopy. The redox status was determined before and after supplementation with two selected beta-carotene concentrations (0.02 and 0.1 MUg/ml) and irradiation. Reactive oxygen species (ROS) were measured by electron paramagnetic resonance spectroscopy and the AO glutathione (GSH) by a fluorescent-based assay for evaluating the endogenous redox status. An increase of ROS and a reduction of GSH after irradiation was observed. Interestingly, the applied beta-carotene, already induce oxidative stress. Nevertheless, an effective protection against irradiation could be observed for the lower dose. The high dose turned pro oxidative. PMID- 29203373 TI - Betulinic, oleanolic and ursolic acids inhibit the enzymatic and biological effects induced by a P-I snake venom metalloproteinase. AB - Betulinic acid (BA), Oleanolic acid (OA) and Ursolic acid (UA), are pentacyclic triterpenoids with widespread occurrence throughout the plant kingdom, these compounds are widely recognized by their pharmacological and biological properties, such as, anti-tumoral, anti-inflammatory, anti-microbial and hepatoprotective activity. In this work we determined the inhibitory ability of these compounds on the enzymatic, hemorrhagic, myotoxic and edema-inducing activities of Batx-I, a P-I metalloproteinase isolated from Bothrops atrox venom. BA, UA and OA inhibited the proteolytic activity of Batx-I on gelatin with IC50 values of 115.3, 223.0 and 357.3 MUM, respectively. Additionally, these compounds showed inhibition of the hemorrhagic activity of Batx-I in skin with IC50 345.7, 643.5 and 1077.0 MUM for BA, UA and OA in preincubation experiments. In studies with independent-injection, in which Batx-I was injected and then, at the same site, a concentration of 600 MUM of each compound were administered at either 0, 5 or 10 min, BA showed a significant reduction of hemorrhage at 0 and 5 min. In addition, these compounds inhibited myotoxicity and edema-forming activity of Batx-I at 600 MUM concentration. Molecular docking studies suggested that these compounds could occupy part of the substrate binding cleft of the enzyme affecting its catalytic cycle. In this manner, triterpenic acids are candidates for the development of inhibitors for the prevention of local tissue damage in snakebite envenomation. PMID- 29203374 TI - Crystal structure of UDP-N-acetylglucosamine-enolpyruvate reductase (MurB) from Mycobacterium tuberculosis. AB - The biosynthesis of UDP-N-acetylmuramic acid (UDP-MurNAc) by reduction of UDP-N acetylglucosamine-enolpyruvate (UDP-GlcNAc-EP) in an NADPH and FAD-dependent reaction in bacteria is one of the key steps in peptidoglycan biosynthesis catalyzed by UDP-N-acetylglucosamine-enolpyruvate reductase (MurB). Here, we present the crystal structure of Mycobacterium tuberculosis MurB (MtbMurB) with FAD as the prosthetic group at 2.0A resolution. There are six molecules in asymmetric unit in the form of dimers. Each protomer can be subdivided into three domains and the prosthetic group, FAD is bound in the active site between domain I and domain II. Comparison of MtbMurB structure with the structures of the Escherichia coli MurB (in complex with UDP-GlcNAc-EP) and Pseudomonas aeruginosa MurB (in complex with NADPH) showed all three structures share similar domain architecture and residues in the active site. The nicotinamide and the enol pyruvyl moieties are well aligned upon superimposition, both positioned in suitable position for hydride transfer to and from FAD. The comparison studies and MD simulations demonstrate that the two lobes of domain-III become more flexible. The substrates (NADPH and UDP-GlcNAc-EP) binding responsible for open conformation of MurB, suggesting that NADPH and UDP-GlcNAc-EP interactions are conformationally stable. Our findings provide a detail mechanism about the closed to open state by binding of NADPH and UDP-GlcNAc-EP induces the conformational changes of MurB structure that may trigger the MurB catalytic reaction. PMID- 29203376 TI - Corrigendum to "Dual Targeting of 3-Hydroxy-3-methylglutaryl Coenzyme A Reductase and Histone Deacetylase as a Therapy for Colorectal Cancer" (EBioMedicine Aug 2016; 10: 124-36). PMID- 29203375 TI - Free energy calculations on the stability of the 14-3-3zeta protein. AB - Mutations of cysteine are often introduced to e.g. avoid formation of non physiological inter-molecular disulfide bridges in in-vitro experiments, or to maintain specificity in labeling experiments. Alanine or serine is typically preferred, which usually do not alter the overall protein stability, when the original cysteine was surface exposed. However, selecting the optimal mutation for cysteines in the hydrophobic core of the protein is more challenging. In this work, the stability of selected Cys mutants of 14-3-3zeta was predicted by free energy calculations and the obtained data were compared with experimentally determined stabilities. Both the computational predictions as well as the experimental validation point at a significant destabilization of mutants C94A and C94S. This destabilization could be attributed to the formation of hydrophobic cavities and a polar solvation of a hydrophilic side chain. A L12E, M78K double mutant was further studied in terms of its reduced dimerization propensity. In contrast to naive expectations, this double mutant did not lead to the formation of strong salt bridges, which was rationalized in terms of a preferred solvation of the ionic species. Again, experiments agreed with the calculations by confirming the monomerization of the double mutants. Overall, the simulation data is in good agreement with experiments and offers additional insight into the stability and dimerization of this important family of regulatory proteins. PMID- 29203377 TI - Proposed Terminology and Classification of Pre-Malignant Neoplastic Conditions: A Consensus Proposal. AB - Cancer evolution is a step-wise non-linear process that may start early in life or later in adulthood, and includes pre-malignant (indolent) and malignant phases. Early somatic changes may not be detectable or are found by chance in apparently healthy individuals. The same lesions may be detected in pre-malignant clonal conditions. In some patients, these lesions may never become relevant clinically whereas in others, they act together with additional pro-oncogenic hits and thereby contribute to the formation of an overt malignancy. Although some pre-malignant stages of a malignancy have been characterized, no global system to define and to classify these conditions is available. To discuss open issues related to pre-malignant phases of neoplastic disorders, a working conference was organized in Vienna in August 2015. The outcomes of this conference are summarized herein and include a basic proposal for a nomenclature and classification of pre-malignant conditions. This proposal should assist in the communication among patients, physicians and scientists, which is critical as genome-sequencing will soon be offered widely for early cancer-detection. PMID- 29203378 TI - Occurrence of Acanthamoeba genotypes in Central West Malaysian environments. AB - Acanthamoeba species are ubiquitous free-living protozoa that can be found worldwide. Occasionally, it can become parasitic and the causative agent of acanthamoebic keratitis (AK) and Granulomatous Amoebic Encephalitis (GAE) in man. A total of 160 environmental samples and 225 naturally-infected animal corneal swabs were collected for Acanthamoeba cultivation. Acanthamoeba was found to be high in samples collected from environments (85%, 136/160) compared to infected animal corneas (24.89%, 56/225) by microscopic examination. Analysis of nucleotide sequence of 18S rRNA gene of all the 192 cultivable Acanthamoeba isolates revealed 4 genotypes (T3, T4. T5 and T15) with T4 as the most prevalent (69.27%, 133/192) followed by T5 (20.31%), T15 (9.90%) and T3 (0.52%). Genotype T4 was from the strain of A. castellanii U07401 (44.27%), A. castellanii U07409 (20.83%) and A. polyphagaAY026243 (4.17%), but interestingly, only A. castellanii U07401 was detected in naturally infected corneal samples. In environmental samples, T4 was commonly detected in all samples including dry soil, dust, wet debris, wet soil and water. Among the T4, A. castellanii (U07409) strains were detected high occurrence in dry (45%) followed by aquatic (32.50%) and moist (22.50%) samples but however A. castellanii (U07401) strains were dominant in dry samples of soil and dust (93.10%). Subsequently, genotype T5 of A. lenticulata (U94741) strains were dominant in samples collected from aquatic environments (58.97%). In summary, A. castellanii (U07401) strains were found dominant in both environmental and corneal swab samples. Therefore, these strains are possibly the most virulent and dry soil or dusts are the most possible source of Acanthamoeba infection in cats and dogs corneas. PMID- 29203379 TI - Arthroscopic Reconstruction of the Ligamentum Teres: A Guide to Safe Tunnel Placement. AB - PURPOSE: To provide a quantitative guide to tunnel placement concurrently through the femur and acetabulum during a ligamentum teres reconstruction, minimizing the risk of injury to the obturator neurovascular bundle. METHODS: Nine human cadaveric pelvises, complete with femurs (mean age, 59.6 years; age range, 47-65 years), were studied. Before dissection, a 3-dimensional coordinate-measuring device was used to record the neutral orientation of the femur in the acetabulum. The specimens were then dissected free of all extra-articular soft tissue, except for the ligamentum teres and the obturator neurovascular bundle, and digitized. An anatomic femoral reconstruction tunnel through the femoral neck was simulated and extended along its axis into the acetabulum. The femur was digitally rotated internally from 0 degrees to 30 degrees and externally from 0 degrees to 40 degrees , as well as abducted from 0 degrees to 30 degrees and adducted from 0 degrees to 20 degrees , in increments of 1 degrees . At each position, the location of the simulated acetabular reconstruction tunnel was measured with respect to the obturator bundle and the edge of the acetabular fossa. RESULTS: The anatomic reconstruction tunnel entered the lateral side of the femur at a mean distance of 7.0 mm distal and 5.8 mm anterior to the center of the vastus ridge. By angling the femur at 15 degrees of internal rotation and 15 degrees of abduction, the obturator neurovascular bundle was avoided in 100% of specimens. CONCLUSIONS: The most important finding of this study was that a ligamentum teres reconstruction tunnel could be reamed through the femoral neck and safely positioned in the acetabulum by angling the femur at 15 degrees of internal rotation and 15 degrees of abduction. CLINICAL RELEVANCE: These quantitative descriptions of the ligamentum teres reconstruction tunnels can be used to guide arthroscopic surgical interventions designed to address ligamentum teres pathology. PMID- 29203380 TI - Periarticular Injection Versus Femoral Nerve Block for Pain Relief After Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial. AB - PURPOSE: To compare the effectiveness and safety of periarticular injection (PI) with those of femoral nerve block (FNB) after anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 129 patients scheduled for ACL reconstruction were randomly assigned to receive PI or FNB. Other perioperative interventions were identical for all patients. The primary outcome was the postoperative pain score 24 hours after surgery, which was measured using a 100-mm visual analog scale (VAS). The pain scores were also assessed to determine whether the VAS score would reach the threshold values reported for the minimal clinically important difference (MCID) and patient acceptable symptomatic state (PASS). RESULTS: The PI group had significantly lower VAS scores 24 hours after ACL reconstruction than the FNB group (21 mm vs 39 mm; P < .0001). Consequently, the primary outcome reached the level of clinical significance as indicated by the threshold values of an MCID of 9.9 and a PASS of 33. The PI group also had a significantly lower VAS score at rest at 4 hours, 8 hours, and 2 days after surgery (30 mm vs 39 mm [P = .025], 25 mm vs 33 mm [P = .022], and 22 mm vs 32 mm [P = .0022], respectively). The opioid consumption during the initial 24 hours was significantly lower in the PI group (354 MUg vs 503 MUg; P = .0003). The complication rate, including opioid-related complications, was not significantly different between groups. CONCLUSION: The patients treated with PI had significantly better pain scores and lower opioid consumption than those treated with FNB without elevating the complication rate. LEVEL OF EVIDENCE: Level I, randomized controlled trial. PMID- 29203381 TI - Accuracy of 3 Clinical Tests to Diagnose Proximal Hamstrings Tears With and Without Sciatic Nerve Involvement in Patients With Posterior Hip Pain. AB - PURPOSE: To determine the diagnostic accuracy of the active hamstring test at 30 degrees (A-30) and 90 degrees (A-90) of knee flexion, the long stride heel strike (LSHS) test, and combination of the 3 tests for individuals with hamstring tendon tears, with and without sciatic nerve involvement. METHODS: A retrospective review of 564 consecutive clinical records identified 42 subjects with a mean age of 50.31 +/- 15 years who underwent a standard physical examination prior to magnetic resonance imaging (MRI) evaluation and diagnostic injection for posterior hip. The physical examination included the A-30, A-90, and LSHS tests. Sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio were calculated to determine the diagnostic accuracy of these 3 tests. RESULTS: Forty-two subjects (female = 32 and male = 10) with a mean age of 50.31 years (range 15-77, +/- SD 14.52) met the inclusion criteria and were included in the review. Based on MRI and/or injection, 64.28% (27/42) of subjects were diagnosed with hamstring tear. Fourteen (51.85%) presented with sciatic nerve involvement. The sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio for each test were as follows: A-30 knee flexion: 0.73, 0.97, 23.43, 0.28, and 84.73; A-90 knee flexion: 0.62, 0.97, 20.00, 0.39, and 51.67; LSHS: 0.55, 0.73, 2.08, 0.61, and 3.44. The most accurate findings were obtained when the results of the A-30 and A-90 were combined, with sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio of 0.84, 0.97, 26.86, 0.17, and 161.89, respectively. CONCLUSION: The combination of the active hamstring A-30 and A-90 tests proved to be a highly accurate and valuable tool to diagnose proximal hamstring tendons tears with or without sciatic nerve involvement in subjects presenting with posterior hip pain. LEVEL OF EVIDENCE: Level III, diagnostic study. PMID- 29203382 TI - Thirteen years' experience of 893 PGD cycles for monogenic disorders in a publicly funded, nationally regulated regional hospital service. AB - This study provides an overview of preimplantation genetic diagnosis (PGD) for single gene diseases and the management of expanding indications in the context of a fully financially covered service at Montpellier's regional hospital centre. Within the framework of a restrictive law ruling PGD in France, only the parental genetic risk can be studied in embryos (concurrent aneuploidy screening is not allowed). PCR-based techniques were developed combining mutation detection and closely linked short tandem repeat markers within or flanking the affected genes, and set up more than 100 different robust fluorescent multiplex assays for 61 monogenic disorders. This strategy was used to analyse blastomeres from cleavage stage embryos. Overall, 893 cycles were initiated in 384 couples; 727 cycles proceeded to oocyte retrieval and 608 cycles to embryo transfer, resulting in 184 deliveries. Clinical pregnancy rate per transfer, implantation and miscarriage rates were 33.6%, 25.1% and 8.8%, respectively. Our PGD programme resulted in the birth of 214 healthy babies for 162 out of 358 couples (45.3%), constituting a relevant achievement within an organizational framework that does not allow aneuploidy screening but provides equal access to PGD, both geographically and socioeconomically. This is a rare example of a fully free-of-charge PGD service. PMID- 29203383 TI - Comprehensive chromosomal and mitochondrial copy number profiling in human IVF embryos. AB - Single cell whole genome sequencing helps to decipher the genome heterogeneity within a cell population and facilitates the analysis of trace amounts of genetic material, such as is found in human embryos. The mitochondrial genome, although an important part of the genetic composition of eukaryotic cells, is often neglected in single cell genome analysis. A recently developed single cell whole genome amplification method was used, known as multiple annealing and looping based amplification cycles (MALBAC-NGS), for simultaneous analysis of chromosomal and mitochondrial genomes at the single cell level. The platform was validated by a series of technical and biological replicates and used for chromosomal and mitochondrial copy number analysis in 399 in-vitro fertilized embryos from 81 couples. A positive correlation of maternal age with increased mitochondria quantity (beta = 0.176, P = 0.001) was observed after adjusting for the impact of cell type. Lower numbers of mitochondria were detected in successfully implanted embryos, although the difference was not significant. It is proposed that MALBAC NGS could potentially be used for an advanced pre-implantation genetic screening procedure with both chromosomal constitution and mitochondrial copy number being evaluated. PMID- 29203384 TI - Do endometriomas grow during ovarian stimulation for assisted reproduction? A three-dimensional volume analysis before and after ovarian stimulation. AB - Whether endometriomas grow because of supraphysiological oestradiol levels attained during ovarian stimulation for assisted reproduction techniques is a concern. In this prospective study, 25 women with 28 endometriomas underwent three-dimensional ultrasound using sono-automated volume calculation software. Endometrioma volume was measured on the first day of gonadotrophin injection (V1) and the day of ovulation trigger (V2). Nine (36%) women were stimulated in a gonadotrophin releasing hormone antagonist protocol (GnRH), 13 (52%) in a long, and three (12%) in an ultra-long GnRH agonist protocol. Mean duration of stimulation was 10.3 days with median total gonadotrophin dose of 4500 IU/day. Median number of cumulus oocyte complexes was five, and metaphase-two oocytes was four. None of the endometriomas were punctured during oocyte retrieval. Median V1 was 22.2 ml (12-30 ml) and median V2 was 24.99 ml (11.2-37.4 ml) with P = 0.001. Twenty-three out of 28 endometriomas (82%) grew to some extent during ovarian stimulation. Endometrioma growth was positively correlated with prestimulation cyst volume (Correlation coefficient 0.664; P < 0.01). Although the 3-ml average growth was statistically significant, it could be regarded as clinically insignificant. PMID- 29203385 TI - The effect of DNA-PKcs gene silencing on proliferation, migration, invasion and apoptosis, and in vivo tumorigenicity of human osteosarcoma MG-63 cells. AB - The purpose of this study was to explore the role by which the DNA-dependent protein kinase complex catalytic subunit (DNA-PKcs) influences osteosarcoma MG-63 cell apoptosis, proliferation, migration and invasion. Osteosarcoma tissues and adjacent normal tissues were obtained from 57 osteosarcoma patients. Human osteosarcoma MG-63 cells were assigned into designated groups including the blank, siRNA-negative control (NC) and siRNA-DNA-PKcs groups. RT-qPCR and Western blotting methods were employed to evaluate the mRNA and protein expressions of DNA-PKcs. A cell counting kit-8 (CCK-8) assay was performed to assess cell viability. The evaluation of cell migration and invasion were conducted by means of Scratch test and Transwell assay. Flow cytometry with PI and annexin V/PI double staining was applied for the analysis of the cell cycle and apoptosis. Twenty-Four Balb/c nude mice were recruited and randomly divided into the blank, siRNA-NC and siRNA-DNA-PKcs groups. Tumorigenicity of the Balb/c nude mice was conducted to evaluate the rate of tumor formation, as well as for the assessment of tumor size and weight, and confirm the number of lung metastatic nodules in the mice post transfection. Osteosarcoma tissues were found to possess greater expression of DNA-PKcs than that of the adjacent normal tissues. DNA-PKcs expression in osteosarcoma tissues were correlated with the clinical stage and metastasis. Compared with the blank and siRNA-NC groups, proliferation, miration, as well as the invasion abilities of the MG-63 cells increased. Furthermore, an increase in apoptosis and cells at the G1 stage in the MG-63 cells was observed, while there were reductions in the cells detected at the S stage. The mRNA and protein expressions of CyclinD1, PCNA, Bcl-2 decreased while those of Bax increased in the siRNA-DNA-PKcs group. The tumor formation rate, tumor diameter, weight and lung metastatic nodules among the nude mice in the siRNA-DNA-PKcs group were all lower than those in the blank and siRNA-NC groups. The observations and findings of the study suggested that the silencing of DNA-PKcs inhibits the proliferation, migration and invasion, while acting to promote cell apoptosis in MG-63 cells and osteosarcoma growth in nude mice. PMID- 29203386 TI - Procalcitonin: The marker of pediatric bacterial infection. AB - Timely recognition of systemic bacterial infections in pediatric care setting is the basis for effective treatment and control. This review provides an overview of procalcitonin (PCT) as an early marker for the detection of severe, invasive bacterial infection in children. Almost all articles on biochemical property and clinical studies in PubMed and Scopus databases regarding their use in pediatric infections and the use of PCT as a marker of bacterial infections were examined. Various methods and analyzers are currently available for the evaluation of PCT. Employment of PCT in the identification of neonatal bacterial infection is a complex process in some conditions. Age specific cut-off, underlying syndrome, and maternal antibiotics usage should be considered when PCT is to be applied in neonates. PCT might be false-negative in these conditions. However, if used appropriately, it can lead to a higher specificity than other immunologic markers. Due to its correlation with the severity of infection, PCT can consequently be used as a prognostic indicator especially for sepsis and urinary tract infection. It is, therefore, a practical supplementary means for the identification of bacterial infections in pediatric health settings. PMID- 29203387 TI - Alpinumisoflavone protects against glucocorticoid-induced osteoporosis through suppressing the apoptosis of osteoblastic and osteocytic cells. AB - The long-term use of glucocorticoids is found to cause osteoporosis. This study is designed to evaluate the protective effect of alpinumisoflavone (AIF), a naturally occurring flavonoid compound, on dexamethasone(Dex)-induced osteoporosis. We use a rat model to investigate the apoptosis of osteoblastic and osteocytic cells. The results indicate that AIF effectively protects against dexamethasone-induced osteoporosis. Moreover, AIF effectively reversed dexamethasone-induced apoptosis in osteoblastic and osteocytic cells through inhibiting ROS overproduction and regulating the Nrf2 pathway. In conclusion, the AIF activated Nrf2 signaling pathway was observed to suppress Dex-induced ROS production in osteoblastic and osteocytic cells, which may explain its anti osteoporotic effects against dexamethasone-induced osteoporosis. PMID- 29203389 TI - Leopoldina Symposium "Seasonal Rhythms", Leuven Belgium, 25. 8. 2016. PMID- 29203388 TI - The occurrence of intersex fishes in Boulder Creek, Colorado, is a recent phenomenon. AB - Gonads were examined visually and histologically from white sucker (Catostomus commersoni) and fathead minnows (Pimephales promelas) isolated from museum specimens collected from Boulder Creek, Colorado. These fishes were collected between 42 and 102 years ago before addition of large quantities of estrogenic chemicals via wastewater effluent was reported to disrupt reproductive structures and functions in white suckers living in Boulder Creek downstream of the wastewater treatment facility (WWTF) and in test exposures of fathead minnows to wastewater effluent at the WWTF. No evidence of abnormal external gonad appearance or histology (e.g., testicular oocytes, mixed gonadal tissue) were observed in male or female museum specimens of either species supporting the conclusion that observations of reproductive abnormalities, feminization, demasculinization, and altered sex ratios are recent phenomena. PMID- 29203390 TI - Ending the Global Tuberculosis Epidemic by 2030 - The Moscow Declaration and achieving a Major Translational Change in Delivery of TB Healthcare. PMID- 29203391 TI - Identification of a peptide derived from the heptad repeat 2 region of the porcine epidemic diarrhea virus (PEDV) spike glycoprotein that is capable of suppressing PEDV entry and inducing neutralizing antibodies. AB - Heptad repeat (HR) regions are highly conserved motifs located in the glycoproteins of enveloped viruses that form a six-helix bundle structure and is important in the process of virus fusion. Peptides derived from the HR regions of some viruses have also been shown to inhibit viral entry. Porcine epidemic diarrhea virus (PEDV) was predicted to have HR regions (HR1 and HR2) in the spike glycoprotein S2 subunit. Based on this analysis, six peptides derived from HR1 and HR2 were selected, expressed in Escherichia coli, purified, and characterized. Three peptides (HR2M, HR2L and HR2P) were identified as potential competitive inhibitors in PEDV in vitro infection assays, with the HR2P peptide representing the most potent inhibitor. Further study indicated that immunization of HR2P in mice elicited antibodies capable of neutralizing PEDV infection in vitro. These results demonstrate that the HR2P peptide and anti-HR2P antibody can serve as a tool for dissecting the fusion mechanism of PEDV, guiding the search for potent inhibitors with therapeutic value against PEDV infection. PMID- 29203392 TI - Role of imaging-based biomarkers in NAFLD: Recent advances in clinical application and future research directions. AB - Non-alcoholic fatty liver disease (NAFLD) is a major public health problem afflicting approximately one billion individuals worldwide. Liver biopsy is considered the gold standard for assessment of liver disease severity in patients with NAFLD. However, it is invasive, has high inter-observer variability, and is associated with adverse effects, including pain, infection and, albeit rarely, death. It is also impractical because of the large number of individuals who have NAFLD. Therefore, tools to non-invasively assess disease severity in NAFLD are urgently needed. Over the last two decades, tremendous advances have been made in the assessment of NAFLD by non-invasive imaging. In this review, we will discuss the different non-invasive imaging modalities available to quantify liver fat and liver fibrosis. We will also discuss the limitations of current modalities to detect the progressive form for NAFLD, termed non-alcoholic steatohepatitis. Finally, we will discuss the comparative efficacy of various imaging-based elastographic modalities for detection of advanced fibrosis or cirrhosis, as well as their diagnostic characteristics. PMID- 29203395 TI - Outcomes and Direct Costs of Inferior Vena Cava Filter Placement and Retrieval within the IR and Surgical Settings. AB - PURPOSE: To compare the outcomes and costs of inferior vena cava (IVC) filter placement and retrieval in the interventional radiology (IR) and surgical departments at a tertiary-care center. MATERIALS AND METHODS: Retrospective review was performed of 142 sequential outpatient IVC filter placements and 244 retrievals performed in the IR suite and operating room (OR) from 2013 to 2016. Patient demographic data, procedural characteristics, outcomes, and direct costs were compared between cohorts. RESULTS: Technical success rates of 100% were achieved for both IR and OR filter placements, and 98% of filters were successfully retrieved by IR means, compared with 83% in the OR (P < .01). Fluoroscopy time was similar for IR and OR filter insertions, but IR retrievals required half the fluoroscopy time, with an average of 9 minutes vs 18 minutes in the OR (P = .02). There was no significant difference between cohorts in the incidences of complications for filter retrievals, but more postprocedural complications were observed for OR placements (8%) vs IR placements (1%; P = .05). The most severe complication occurred during an OR filter retrieval, resulting in entanglement of the snare device and conversion to an emergent open filter removal by vascular surgery. Direct costs were approximately 20% higher for OR vs IR IVC filter placements ($2,246 vs $2,671; P = .01). CONCLUSIONS: Filter placements are equally successfully performed in IR and OR settings, but OR patients experienced significantly higher postprocedural complication rates and incurred higher costs. In contrast, higher technical success rates and shorter fluoroscopy times were observed for IR filter retrievals compared with those performed in the OR. PMID- 29203393 TI - Pyrin Inflammasome Regulates Tight Junction Integrity to Restrict Colitis and Tumorigenesis. AB - BACKGROUND & AIMS: Inflammatory bowel diseases (IBD) increase risk for colorectal cancer. Mutations in the Mediterranean fever gene (MEFV or pyrin) are associated with hereditary autoinflammatory disease and severe IBD. Expression of MEFV, a sensor protein that the initiates assembly of the inflammasome complex, is increased in colon biopsies from patients with IBD. We investigated the role of pyrin in intestinal homeostasis in mice. METHODS: Mefv-/- mice and C57/BL6 mice (controls) were given azoxymethane followed by multiple rounds of dextran sodium sulfate (DSS) to induce colitis and tumorigenesis. In some experiments, Mefv-/- mice were given injections of recombinant interleukin 18 (rIL18) or saline (control) during DSS administration. Colon tissues were collected at different time points during colitis development and analyzed by histology, immunohistochemistry, immunoblots, or ELISAs (to measure cytokines). Spleen and mesenteric lymph node were collected, processed, and analyzed by flow cytometry. Colon epithelial permeability was measured in mice with colitis by gavage of fluorescent dextran and quantification of serum levels. RESULTS: MEFV was expressed in colons of control mice and expression increased during chronic and acute inflammation; high levels were detected in colon tumor and adjacent non tumor tissues. Mefv-/- mice developed more severe colitis than control mice, with a greater extent of epithelial hyperplasia and a larger tumor burden. Levels of inflammatory cytokines (IL6) and chemokines were significantly higher in colons of Mefv-/- mice than control mice following colitis induction, whereas the level IL18, which depends on the inflammasome for maturation and release, was significantly lower in colons of Mefv-/- mice. Mefv-/- mice had increased epithelial permeability following administration of DSS than control mice, and loss of the tight junction proteins occludin and claudin-2 from intercellular junctions. STAT3 was activated (phosphorylated) in inflamed colon tissues from Mefv-/-, which also had increased expression of stem cell markers (OLFM4, BMI1, and MSI1) compared with colons from control mice. Administration of rIL18 to Mefv /- mice reduced epithelial permeability, intestinal inflammation, the severity of colitis, and colon tumorigenesis. CONCLUSIONS: In studies with DSS-induced colitis, we found that pyrin (MEFV) is required for inflammasome activation and IL18 maturation, which promote intestinal barrier integrity and prevent colon inflammation and tumorigenesis. Strategies to increase activity of MEFV or IL18 might be developed for the treatment of IBD and prevention of colitis-associated tumorigenesis. PMID- 29203394 TI - Percutaneous Microwave versus Radiofrequency Ablation of Colorectal Liver Metastases: Ablation with Clear Margins (A0) Provides the Best Local Tumor Control. AB - PURPOSE: To identify and compare predictors of local tumor progression (LTP)-free survival (LTPFS) after radiofrequency (RF) ablation and microwave (MW) ablation of colorectal liver metastases (CLMs). MATERIALS AND METHODS: This is a retrospective review of CLMs ablated from November 2009 to April 2015 (110 patients). Margins were measured on contrast-enhanced computed tomography (CT) 6 weeks after ablation. Clinical and technical predictors of LTPFS were assessed using a competing risk model adjusted for clustering. RESULTS: Technique effectiveness (complete ablation) was 93% (79/85) for RF ablation and 97% (58/60) for MW ablation (P = .47). The median follow-up period was significantly longer for RF ablation than for MW ablation (56 months vs. 29 months) (P < .001). There was no difference in the local tumor progression (LTP) rates between RF ablation and MW ablation (P = 0.84). Significant predictors of shorter LTPFS for RF ablation on univariate analysis were ablation margins 5 mm or smaller (P < .001) (hazard ratio [HR]: 14.6; 95% confidence interval [CI]: 5.2-40.9) and perivascular tumors (P = .021) (HR: 2.2; 95% CI: 1.1-4.3); both retained significance on multivariate analysis. Significant predictors of shorter LTPFS on univariate analysis for MW ablation were ablation margins 5 mm or smaller (P < .001) (subhazard ratio: 11.6; 95% CI: 3.1-42.7) and no history of prior liver resection (P < .013) (HR: 3.2; 95%: 1.3-7.8); both retained significance on multivariate analysis. There was no LTP for tumors ablated with margins over 10 mm (median LTPFS: not reached). Perivascular tumors were not predictive for MW ablation (P = .43). CONCLUSIONS: Regardless of the thermal ablation modality used, margins larger than 5 mm are critical for local tumor control, with no LTP noted for margins over 10 mm. Unlike RF ablation, the efficiency of MW ablation was not affected for perivascular tumors. PMID- 29203396 TI - [Exclusive salpingectomy or prophylactic salpingo-oophorectomy? Critical analysis of the latest French guidelines]. PMID- 29203397 TI - Pro-arrhythmic effects of low plasma [K+] in human ventricle: An illustrated review. AB - Potassium levels in the plasma, [K+]o, are regulated precisely under physiological conditions. However, increases (from approx. 4.5 to 8.0mM) can occur as a consequence of, e.g., endurance exercise, ischemic insult or kidney failure. This hyperkalemic modulation of ventricular electrophysiology has been studied extensively. Hypokalemia is also common. It can occur in response to diuretic therapy, following renal dialysis, or during recovery from endurance exercise. In the human ventricle, clinical hypokalemia (e.g., [K+]o levels of approx. 3.0mM) can cause marked changes in both the resting potential and the action potential waveform, and these may promote arrhythmias. Here, we provide essential background information concerning the main K+-sensitive ion channel mechanisms that act in concert to produce prominent short-term ventricular electrophysiological changes, and illustrate these by implementing recent mathematical models of the human ventricular action potential. Even small changes (~1mM) in [K+]o result in significant alterations in two different K+ currents, IK1 and HERG. These changes can markedly alter in resting membrane potential and/or action potential waveform in human ventricle. Specifically, a reduction in net outward transmembrane K+ currents (repolarization reserve) and an increased substrate input resistance contribute to electrophysiological instability during the plateau of the action potential and may promote pro-arrhythmic early after depolarizations (EADs). Translational settings where these insights apply include: optimal diuretic therapy, and the interpretation of data from Phase II and III trials for anti-arrhythmic drug candidates. PMID- 29203398 TI - Metyrapone prevents acute glucose hypermetabolism and short-term brain damage induced by intrahippocampal administration of 4-aminopyridine in rats. AB - Intracerebral administration of the potassium channel blocker 4-aminopyridine (4 AP) triggers neuronal depolarization and intense acute seizure activity followed by neuronal damage. We have recently shown that, in the lithium-pilocarpine rat model of status epilepticus (SE), a single administration of metyrapone, an inhibitor of the 11beta-hydroxylase enzyme, had protective properties of preventive nature against signs of brain damage and neuroinflammation. Herein, our aim was to investigate to which extent, pretreatment with metyrapone (150 mg/kg, i.p.) was also able to prevent eventual changes in the acute brain metabolism and short-term neuronal damage induced by intrahippocampal injection of 4-AP (7 MUg/5 MUl). To this end, regional brain metabolism was assessed by 2 deoxy-2-[18F]fluoro-d-glucose ([18F]FDG) positron emission tomography (PET) during the ictal period. Three days later, markers of neuronal death and hippocampal integrity and apoptosis (Nissl staining, NeuN and active caspase-3 immunohistochemistry), neurodegeneration (Fluoro-Jade C labeling), astrogliosis (glial fibrillary acidic protein (GFAP) immunohistochemistry) and microglia mediated neuroinflammation (in vitro [18F]GE180 autoradiography) were evaluated. 4-AP administration acutely triggered marked brain hypermetabolism within and around the site of injection as well as short-term signs of brain damage and inflammation. Most important, metyrapone pretreatment was able to reduce ictal hypermetabolism as well as all the markers of brain damage except microglia mediated neuroinflammation. Overall, our study corroborates the neuroprotective effects of metyrapone against multiple signs of brain damage caused by seizures triggered by 4-AP. Ultimately, our data add up to the consistent protective effect of metyrapone pretreatment reported in other models of neurological disorders of different etiology. PMID- 29203399 TI - Anti-thyroid antibodies and thyroid function in anti-N-methyl-d-aspartate receptor encephalitis. PMID- 29203401 TI - Skeletal muscle from aged American Quarter Horses shows impairments in mitochondrial biogenesis and expression of autophagy markers. AB - Aging is associated with decreased mitochondrial content and function in skeletal muscle, possibly due to compromised biogenesis and autophagic removal of dysfunctional mitochondria. The aim of this study was to compare markers of mitochondrial content and biogenesis and of autophagy between skeletal muscle from young and aged American Quarter Horses. Citrate synthase protein and mtDNA copy number were decreased in triceps brachii (TB) muscle (P<0.05) from aged horses, suggesting an age-related decline in mitochondrial content. Concomitantly, mRNA expression of PGC-1alpha and TFAM, regulators of mitochondrial biogenesis, was lower in aged compared to young TB (P<0.05). Expression of autophagy markers suggested an age-associated decline of autophagy. The autophagosomal cargo protein SQSTM/p62 accumulated with age in both muscles (P<0.05). Expression of Autophagy-related protein Atg5 (P<0.05) and the autophagosome-bound form of Microtubule-associated protein light chain 3 (LC3-II; P<0.05) were lower in aged compared to young TB. While LC3 transcript level was elevated in aged compared to young GM (P<0.001), protein expression of LC3-II was unaffected. Gene expression of Lysosomal Membrane-Associated Protein 2 (LAMP2) was not affected by age in either muscle. However, LAMP2 protein expression declined with age (P<0.05), suggesting a decline in autophagosome-lysosome fusion. Taken together, our data indicate that equine skeletal muscle mitochondrial content and biogenesis were impaired with age. Further, autophagosome formation and lysosomal degradation were negatively affected in aged TB and GM, respectively. Future research needs to explore whether interventions targeting these cellular processes can prolong health and performance of aging American Quarter Horses. PMID- 29203400 TI - Decreased NLRP3 inflammasome expression in aged lung may contribute to increased susceptibility to secondary Streptococcus pneumoniae infection. AB - Post-viral pneumococcal pneumonia is a leading morbidity and mortality in older patients (>=65years of age). The goal of our current study is to understand the impact of chronological aging on innate immune responses to a secondary, post viral infection with Streptococcus pneumoniae, a causative agent of bacterial pneumonia. Using aged murine models of infection, our findings demonstrate increased morbidity and mortality in aged mice within 48h post-secondary S. pneumoniae infection. Increased susceptibility of aged mice was associated with decreased TLR1, TLR6, and TLR9 mRNA expression and diminished IL1beta mRNA expression. Examination of NLRP3 inflammasome expression illustrated decreased NLRP3 mRNA expression and decreased IL1beta production in aged lung in response to secondary S. pneumoniae infection. PMID- 29203402 TI - Lamin A expression in circulating osteoprogenitors as a potential biomarker for frailty: The Nepean Osteoporosis and Frailty (NOF) Study. AB - Lamin A is a protein of the nuclear lamina. Low levels of lamin A expression are associated with osteosarcopenia in mice. In this study, we hypothesized that low lamin A expression is also associated with frailty in humans. We aimed to develop a non-invasive method to quantify lamin A expression in epithelial and circulating osteoprogenitor (COP) cells, and to determine the relationship between lamin A expression and frailty in older individuals. COP cells and buccal swabs were obtained from 66 subjects (median age 74; 60% female; 26 non-frail, 23 pre-frail, and 17 frail) participating at the Nepean Osteoporosis and Frailty (NOF) Study. We quantified physical performance and disability, and stratified frailty in this population. Lamin A expression in epithelial and COP cells was quantified by flow cytometry. Linear regression models estimated the relationship between lamin A expression in buccal and COP cells, and prevalent disability and frailty. Lamin A expression in buccal cells showed no association with either disability or frailty. Low lamin A expression values in COP cells were associated with frailty. Frail individuals showed 60% lower levels of lamin A compared to non-frail (95% CI -36 to -74%, p<0.001) and 62% lower levels compared to pre frail (95%CI -40 to -76%, p<0.001). In summary, we have identified lamin A expression in COP cells as a strong indicator of frailty. Further work is needed to understand lamin A expression as a risk stratifier, biomarker, or therapeutic target in frail older persons. PMID- 29203403 TI - Carcinogenicity assessment of baricitinib in Tg.rasH2 mice and Sprague-Dawley (Crl:CD) rats. AB - Baricitinib is a potent and selective Janus kinase (JAK)1 and JAK2 inhibitor, and is approved for the treatment of moderately to severely active RA in adults in Europe, Japan, and other countries. This study evaluated the carcinogenic potential of baricitinib in Tg. rasH2 mice and Sprague-Dawley (Crl:CD) rats. Baricitinib was administered daily by oral gavage to Crl:CD rats for up to 94 weeks (dose levels of 0, 1, 3, or 8 mg/kg for males and 0, 3, 8, or 25 mg/kg for females) and to Tg. rasH2 mice for 26 weeks (dose levels of 0, 15, 40, or 300 mg/kg for males and 0, 10, 30, or 150 mg/kg for females). Baricitinib was well tolerated with no incidence of compound-related neoplasms at any dose levels in rats and mice. In mice, non-neoplastic events observed were bone marrow hypocellularity and increased adipocytes. In rats, baricitinib administration was associated with a dose-dependent increase in survival, with a decreased incidence of neoplasm (hematopoietic and mammary), potentially secondary to drug-related decreased weight gain. The incidence of proliferative changes such as neoplastic and hyperplastic lesions in the mammary glands of females and in the livers of males and females also decreased. In conclusion, baricitinib is not considered to be carcinogenic. PMID- 29203404 TI - The imaging FCS diffusion law in the presence of multiple diffusive modes. AB - The cellular plasma membrane is the barrier over which cells exchange materials and communicate with their surroundings, and thus plays the central role in cellular sensing and metabolism. Therefore, the investigation of plasma membrane organization and dynamics is required for understanding of cellular functions. The plasma membrane is a heterogeneous matrix. The presence of structures such as lipid and protein domains and the cytoskeleton meshwork poses a hindrance to the free diffusion of membrane associated biomolecules. However, these domains and the cytoskeleton meshwork barriers are below the optical diffraction limit with potentially short lifetimes and are not easily detected even in super-resolution microscopy. Therefore, dynamic measurements are often used to indirectly prove the existence of domains and barriers by analyzing the mode of diffusion of probe molecules. One of these tools is the Fluorescence Correlation Spectroscopy (FCS) diffusion law. The FCS diffusion law is a plot of diffusion time (taud) versus observation area. For at least three different diffusive modes - free, domain confined, and meshwork hindered hop diffusion - the expected plots have been characterized, typically by its y-intercept (tau0) when fit with a linear model, and have been verified in many cases. However, a description of tau0 has only been given for pure diffusive modes. But in many experimental cases it is not evident that a protein will undergo only one kind of diffusion, and thus the interpretation of the tau0 value is problematic. Here, we therefore address the question about the absolute value of tau0 in the case of complex diffusive modes, i.e. when either one molecule is domain confined and cytoskeleton hindered or when two molecules exhibit different diffusive behavior at the same position in a sample. In addition, we investigate how tau0 changes when the diffusive mode of a probe alters upon disruption of domains or the cytoskeleton by drug treatments. By a combination of experimental studies and simulations, we show that tau0 is not influenced equally by the different diffusive modes as typically found in cellular environments, and that it is the relative change of tau0 rather than its absolute value that provides information on the mode of diffusion. PMID- 29203405 TI - Inactivation of the arn operon and loss of aminoarabinose on lipopolysaccharide as the cause of susceptibility to colistin in an atypical clinical isolate of proteus vulgaris. AB - Colistin has become a last-line antibiotic for the treatment of multidrug resistant bacterial infections; however, resistance to colistin has emerged in recent years. Some bacteria, such as Proteus and Serratia spp., are intrinsically resistant to colistin although the exact mechanism of resistance is unknown. Here we identified the molecular support for intrinsic colistin resistance in Proteus spp. by comparative genomic, transcriptomic and proteomic analyses of colistin susceptible (CSUR P1868_S) and colistin-resistant (CSUR P1867_R) strains of an atypical Proteus vulgaris. A significant difference in outer membrane glycoside structures in both strains that was corroborated by MALDI-TOF/MS analysis was found, which showed an absence of 4-amino-4-deoxy-l-arabinose (L-Ara4N) in the outer membrane lipid A moiety of the susceptible strain. Comparative genomic analysis with other resistant strains of P. vulgaris available in a local database found a mutation in the arnBCADTEF operon of the susceptible strain. Transcriptomic analysis of genes belonging to the arnBCADTEF operon showed a significant decrease in mRNA expression level of these genes in the susceptible strain, supporting addition of L-Ara4N in the outer membrane lipid A moiety as an explanation for colistin resistance. Insertion of the arnD gene that was suggested to be altered in the susceptible strain by in silico analysis led to a 16-fold increase of colistin MIC in the susceptible strain, confirming its role in colistin resistance in this species. Here we show that constitutive activation of the arn operon and addition of L-Ara4N is the main molecular mechanism of colistin resistance in P. vulgaris. PMID- 29203406 TI - Acid and nonacid gastroesophageal reflux after single anastomosis gastric bypass. An objective assessment using 24-hour multichannel intraluminal impedance-pH metry. AB - BACKGROUND: Single anastomosis gastric bypass (SaGB) was introduced in 2001 as an alternative to "loop" gastric bypass. It was considered as a procedure that would eliminate alkaline reflux and associated esophagitis. OBJECTIVES: Existing evidence about the postoperative incidence of gastroesophageal reflux (GERD) after SaGB is based on studies using symptom questionnaires. The aim of our study was to evaluate GERD 12 months after SaGB by using 24-hour multichannel intraluminal impedance pH metry (24-h MIIpH). SETTING: Surgical department of a university hospital METHODS: Morbidly obese candidates for SaGB underwent 24-hour MIIpH prior and 12 months after their bariatric procedure. RESULTS: There were 11 patients included in this prospective study. Results of 24-hour MIIpH revealed that DeMeester score (40.48 versus 24.16, P = .339) had an increasing trend 12 months after SaGB. Acid reflux episodes decreased, whereas nonacid reflux episodes increased postoperatively, both in proximal and distal esophagus. Total median bolus clearance time and acid clearance time increased. De novo GERD developed in 2 patients (28.6%) and worsening of already existing GERD developed in all patients with preoperative evidence of GERD. CONCLUSION: The use of symptom questionnaires to assess postoperative GERD after SaGB may not accurately depict the real image. Twenty-four-hour MIIpH in 12 months after SaGB revealed an increase of total number of nonacid reflux episodes and a decrease of total number of acid reflux episodes, with longer duration of each acid reflux episode. Close postoperative follow-up with reflux testing and possibly endoscopy could eliminate the risk of complicated GERD. PMID- 29203407 TI - Optimising workflow processes in an advanced medication dispensary. AB - The workload measurement of an inpatient hospital dispensary is critical to improve efficiency in the face of limited budgets. This single-centre pilot study used work sampling to observe and identify areas to improve efficiency of dispensing prescribed medications at one tertiary level acute care teaching hospital. Workload sampling was conducted at a 1096-bed hospital in Calgary, Alberta, Canada. The dispensary services the entire hospital, 24 h per day, seven days per week. Pharmacists are solely involved in clinical screening. The hospital uses a tech-check-tech practice. The observer was a registered pharmacist who collected data in the dispensary over two-hour blocks during November 14-24, 2017. A pre-made data collection sheet was used to record observations. Pharmacists duplicated tasks performed by dispensary technicians, such as ensuring STAT orders were delivered or identifying floor stock medications. Assistants inconsistently organised orders for filling. The assistant delivering STAT medications was difficult to find. Not all STAT medications were delivered first on a scheduled delivery route. Overall, areas for improvement in the dispensary process may include reinforcing the pharmacist clinical duties, establishing clinical competency baseline, supporting the full scope of practice of registered technicians, and consistent training of assistants, and clarifying communication processes. PMID- 29203408 TI - Medication non-adherence and uncertainty: Information-seeking and processing in the Danish LIFESTAT survey. AB - BACKGROUND: Statins are widely prescribed to lower cardiovascular morbidity and mortality. However, statin non-adherence is very high. PURPOSE: The aim of this paper was to investigate reasons for stopping statin treatment in the general population and to study how aspects of information-seeking and processing is associated with statin non-adherence. METHODS: This study used a population survey on 3050 Danish residents aged 45-65 years. Reasons for statin discontinuation was studied among those who were previous statin users. The association between information seeking and processing and statin discontinuation were analysed using multivariate logistical regression models. RESULTS: Experience of side effects and fear of side effects played an important role in the discontinuation of statin treatment. Feelings of uncertainty and confusion regarding information on statins predicted statin discontinuation. This applied to information from both mass media and from general practitioners. There was no clear pattern of information seeking and statin non-adherence. CONCLUSIONS: The article point to the impact of information-seeking on the decision to take cholesterol-lowering medication. This included contributions from information disseminated by media outlets. Side effects and fear of side effects should be addressed in clinical practice. Health care professionals should pay attention to emotional aspects of how information is disseminated and perceived by statin users. PMID- 29203409 TI - Nanoelectronics enabled chronic multimodal neural platform in a mouse ischemic model. AB - BACKGROUND: Despite significant advancements of optical imaging techniques for mapping hemodynamics in small animal models, it remains challenging to combine imaging with spatially resolved electrical recording of individual neurons especially for longitudinal studies. This is largely due to the strong invasiveness to the living brain from the penetrating electrodes and their limited compatibility with longitudinal imaging. NEW METHOD: We implant arrays of ultraflexible nanoelectronic threads (NETs) in mice for neural recording both at the brain surface and intracortically, which maintain great tissue compatibility chronically. By mounting a cranial window atop of the NET arrays that allows for chronic optical access, we establish a multimodal platform that combines spatially resolved electrical recording of neural activity and laser speckle contrast imaging (LSCI) of cerebral blood flow (CBF) for longitudinal studies. RESULTS: We induce peri-infarct depolarizations (PIDs) by targeted photothrombosis, and show the ability to detect its occurrence and propagation through spatiotemporal variations in both extracellular potentials and CBF. We also demonstrate chronic tracking of single-unit neural activity and CBF over days after photothrombosis, from which we observe reperfusion and increased firing rates. COMPARISON WITH EXISTING METHOD(S): This multimodal platform enables simultaneous mapping of neural activity and hemodynamic parameters at the microscale for quantitative, longitudinal comparisons with minimal perturbation to the baseline neurophysiology. CONCLUSION: The ability to spatiotemporally resolve and chronically track CBF and neural electrical activity in the same living brain region has broad applications for studying the interplay between neural and hemodynamic responses in health and in cerebrovascular and neurological pathologies. PMID- 29203410 TI - Breathing disturbances in a model of Rett syndrome: A potential involvement of the glycine receptor alpha3 subunit? AB - The glycine receptor alpha3 subunit is known to be a target for cAMP/PKA-mediated phosphorylation and regulation. Mice that lack this subunit are apparently normal but the 5-HT1A-receptor mediated modulation of respiratory network activity is disturbed. Since the intracellular cAMP-concentration is reduced in mice that lack the transcriptional modulator methyl-CpG-binding protein 2 (MeCP2) gene, we aimed to test if the alpha3 subunit of the glycine receptor is involved in the development of the breathing phenotype of MeCP2-deficient mice (Mecp2-/y). Therefore, we generated a double knock-out mouse line that lacks both the Mecp2 gene as well as the gene (Glra3) for the alpha3 subunit of the ionotropic glycine receptor. As compared to WT and Glra3-/- mice, both Mecp2-/y mice and Mecp2-/y; Glra3-/- mice (DKO) showed a slower respiratory rate and a tendency towards higher numbers of apneas. Interestingly, the irregularity of the breathing was significantly reduced in DKO as compared to Mecp2-/y littermates. In the light of the unaltered survival of DKO mice, however, the contribution of the glycine receptor alpha3 subunit for development and progression of the breathing disturbances in the mouse model of Rett syndrome appears to be only of minor relevance. PMID- 29203411 TI - Controlled-shed poultry farming practices in Pakistan select for antibiotic resistant Escherichia coli. PMID- 29203412 TI - Comparable Outcomes after HLA-Matched Sibling and Alternative Donor Hematopoietic Cell Transplantation for Children with Fanconi Anemia and Severe Aplastic Anemia. AB - Fanconi anemia (FA)-associated severe aplastic anemia (SAA) requires allogeneic hematopoietic cell transplantation (HCT) for cure. With the evolution of conditioning regimens over time, outcomes of alternative donor HCT (AD-HCT) have improved dramatically. We compared outcomes of HLA-matched sibling donor HCT (MSD HCT; n = 17) and AD-HCT (n = 57) performed for FA-associated SAA at a single institution between 2001 and 2016. Overall survival at 5 years was 94% for MSD HCT versus 86% for AD-HCT, neutrophil engraftment was 100% versus 95%, platelet recovery was 100% versus 89%, grade II-IV acute graft-versus-host disease (GVHD) was 6% versus 12%, grade III-IV acute GVHD was 6% versus 4%, and chronic GVHD was 0 versus 7%, with no statistically significant differences by type of transplant. The use of UCB was associated with decreased rates of neutrophil recovery in AD HCT and platelet recovery in both MSD-HCT and AD-HCT. A trend toward a higher serious infection density before day +100 post-HCT was observed in AD-HCT compared with MSD-HCT (P = .02). These data demonstrate that AD-HCT should be considered at the same time as MSD-HCT for patients with FA-associated SAA. PMID- 29203413 TI - Targeted Magnetic Intra-Lysosomal Hyperthermia produces lysosomal reactive oxygen species and causes Caspase-1 dependent cell death. AB - Therapeutic strategies using drugs which cause Lysosomal Cell Death have been proposed for eradication of resistant cancer cells. In this context, nanotherapy based on Magnetic Intra-Lysosomal Hyperthermia (MILH) generated by magnetic nanoparticles (MNPs) that are grafted with ligands of receptors overexpressed in tumors appears to be a very promising therapeutic option. However, mechanisms whereby MILH induces cell death are still elusive. Herein, using Gastrin-grafted MNPs specifically delivered to lysosomes of tumor cells from different cancers, we provide evidences that MILH causes cell death through a non-apoptotic signaling pathway. The mechanism of cell death involves a local temperature elevation at the nanoparticle periphery which enhances the production of reactive oxygen species through the lysosomal Fenton reaction. Subsequently, MILH induces lipid peroxidation, lysosomal membrane permeabilization and leakage of lysosomal enzymes into the cytosol, including Cathepsin-B which activates Caspase-1 but not apoptotic Caspase-3. These data highlight the clear potential of MILH for the eradication of tumors overexpressing receptors. PMID- 29203414 TI - Complement activation in vitro and reactogenicity of low-molecular weight dextran coated SPIONs in the pig CARPA model: Correlation with physicochemical features and clinical information. AB - The unique magnetic properties of superparamagnetic iron oxide nanoparticles (SPIONs) have led to their increasing use in drug delivery and imaging applications. Some polymer-coated SPIONs, however, share with many other nanoparticles the potential of causing hypersensitivity reactions (HSRs) known as complement (C) activation-related pseudoallergy (CARPA). In order to explore the roles of iron core composition and particle surface coating in SPION-induced CARPA, we measured C activation by 6 different SPIONs in a human serum that is known to react to nanoparticles (NPs) with strong C activation. Remarkably, only the carboxymethyldextran-coated (ferucarbotran, Resosvist(r)) and dextran-coated (ferumoxtran-10, Sinerem(r)) SPIONs caused significant C activation, while the citric acid, phosphatidylcholine, starch and chitosan-coated SPIONs had no such effect. Focusing on Resovist and Sinerem, we found Sinerem to be a stronger activator of C than Resovist, although the individual variation in 15 different human sera was substantial. Further analysis of C activation by Sinerem indicated biphasic dose dependence and significant production of C split product Bb but not C4d, attesting to alternative pathway C activation only at low doses. Consistent with the strong C activation by Sinerem and previous reports of HSRs in man, injection of Sinerem in a pig led to dose-dependent CARPA, while Resovist was reaction-free. Using nanoparticle tracking analysis, it was further determined that Sinerem, more than Resovist, displayed multimodal size distribution and significant fraction of aggregates - factors which are known to promote C activation and CARPA. Taken together, our findings offer physicochemical insight into how key compositional factors and nanoparticle size distribution affect SPION-induced CARPA, a knowledge that could lead to the development of SPIONs with improved safety profiles. PMID- 29203415 TI - Microneedles as the technique of drug delivery enhancement in diverse organs and tissues. AB - Microneedles is the technique of drug delivery enhancement, which was primarily designed for facilitating percutaneous drug delivery. Started from the development of simple solid microneedles, providing microporation of stratum corneum and therefore enhancement of topical drug delivery, for two decades the technique has progressed in various modifications such as hollow, coated, dissolving and hydrogel forming microneedles. In their turn, the modifications have resulted in new mechanisms of drug delivery enhancement and followed by the expansion of applicability range in terms of targeted tissues and organs. Thus, in addition to percutaneous drug delivery, microneedles have been considered as an efficient technique facilitating ocular, oral mucosal, gastrointestinal, ungual and vaginal drug administration. It is anticipated that the technique of microneedle-assisted drug delivery will soon become relevant for majority of organs and tissues. PMID- 29203416 TI - Quantitative contributions of processes by which polyanion drugs reduce intracellular bioavailability and transfection efficiency of cationic siRNA lipoplex. AB - RNA Interference (RNAi) is a potentially useful tool to correct the detrimental effects of faulty genes; several RNAi are undergoing clinical evaluation in various diseases. The present study identified the relative contributions of three mechanisms by which polyanion drugs reduced the gene silencing activity of Lipoplex, a complex of small interfering RNA (siRNA) and cationic liposomes. The study used a siRNA against the chemoresistance gene survivin and two model polyanion drugs (suramin, heparin). Products of Lipoplex destabilization were separated, identified, and/or quantified using ultrafiltration, gel electrophoresis, and RT-qPCR (quantitative reverse transcription polymerase chain reaction). Cell binding and endocytosis of fluorescence-labeled Lipoplex and the amount of siRNA at its site of action RISC (RNA-induced silencing complex) were evaluated using endocytosis markers, confocal microscopy, quantitative image analysis, immunoprecipitation, and RT-qPCR. The results show suramin and heparin exerted multiple concentration-dependent effects. First, these agents altered several Lipoplex properties (i.e., reduced particle size, changed surface charge, modified composition of protein biocorona). Second, both caused Lipoplex destabilization to release double- and single-strand siRNA and/or smaller siRNA lipid complexes with reduced siRNA cargo. Third, both prevented the cell surface binding and internalization of Lipoplex, diminished the siRNA concentration in RISC, and retarded the mRNA knockdown. Suramin and heparin yielded qualitatively and quantitatively different results. Analysis of the experimental results of suramin using quantitative pharmacology (QP) modeling indicated the major cause of gene silencing activity loss depended on drug concentration, changing from inhibition of endocytosis at lower concentration (accounting for 60% loss at ~9MUM) to inhibition of cell surface binding and loss of siRNA cargo at higher concentrations (accounting for 64% and 27%, respectively, at 70MUM). In summary, the present study demonstrates the complex and dynamic interactions between polyanions and Lipoplex, and the use of QP modeling to delineate the contributions of three mechanisms to the eventual loss of gene silencing activity. PMID- 29203417 TI - Phase behavior in the biologically important oleic acid/sodium oleate/water system. AB - The phase behavior in the oleic acid/sodium oleate/normal saline (0.15M NaCl aqueous solution) system has been determined. For this purpose visual inspection of samples between crossed polarizers, and Small Angle X-ray diffraction was used to identify the various phases and their unit cell dimensions. A rich phase behavior was observed for the ternary system, featuring reverse micellar, micellar cubic, hexagonal, and cubic phases, and large regions with lamellar phases. As expected the ratio the 'oleic acid/sodium oleate' determines the pH and as a consequence the phase behavior. The results could be modeled by an extended Henderson-Hasselbalch (HH) equation, which takes into account the electrostatic potential at the aqueous lipid interface. The knowledge obtained is important for understanding the lipolysis of triglycerides, as the phase behavior of the end-product of the reaction regulates how well the insoluble product can be dispersed and consequently the kinetics of the process. PMID- 29203418 TI - Electronic medical records can be used to emulate target trials of sustained treatment strategies. AB - OBJECTIVE: To emulate three target trials: single treatment vs. no treatment, joint treatment vs. no treatment, and head-to-head comparison of two treatments, we explain how to estimate the observational analogs of intention-to-treat and per-protocol effects, using hazard ratios and survival curves. For per-protocol effects, we describe two methods for adherence adjustment via inverse-probability weighting. STUDY DESIGN AND SETTING: Prospective observational study using electronic medical records of individuals aged 55-84 with coronary heart disease from >500 practices in the United Kingdom between 2000 and 2010. RESULTS: The intention-to-treat mortality hazard ratio (95% confidence interval) was 0.90 (0.84, 0.97) for statins vs. no treatment, 0.88 (0.73, 1.06) for statins plus antihypertensives vs. no treatment, and 0.91 (0.77, 1.06) for atorvastatin vs. simvastatin. When censoring nonadherent person-times, the per-protocol mortality hazard ratio was 0.74 (0.64, 0.85) for statins vs. no treatment, 0.55 (0.35, 0.87) for statins plus antihypertensives vs. no treatment, and 1.13 (0.88, 1.45) for atorvastatin vs. simvastatin. We estimated per-protocol hazard ratios for a 5 year treatment using different dose-response marginal structural models and standardized survival curves for each target trial using intention-to-treat and per-protocol analyses. CONCLUSION: When randomized trials are not available or feasible, observational analyses can emulate a variety of target trials. PMID- 29203419 TI - Flaws in the application and interpretation of statistical analyses in systematic reviews of therapeutic interventions were common: a cross-sectional analysis. AB - OBJECTIVES: The objective of the study was to investigate the application and interpretation of statistical analyses in a cross-section of systematic reviews (SRs) of therapeutic interventions, without restriction by journal, clinical condition, or specialty. STUDY DESIGN AND SETTING: We evaluated a random sample of SRs assembled previously, which were indexed in MEDLINE(r) during February 2014, focused on a treatment or prevention question, and reported at least one meta-analysis. The reported statistical methods used in each SR were extracted from articles and online appendices by one author, with a 20% random sample extracted in duplicate. RESULTS: We evaluated 110 SRs; 78/110 (71%) were non Cochrane SRs and 55/110 (50%) investigated a pharmacological intervention. The SRs presented a median of 13 (interquartile range: 5-27) meta-analytic effects. When considering the index (primary or first reported) meta-analysis of each SR, just over half (62/110 [56%]) used the random-effects model, but few (5/62 [8%]) interpreted the meta-analytic effect correctly (as the average of the intervention effects across all studies). A statistical test for funnel plot asymmetry was reported in 17/110 (15%) SRs; however, in only 4/17 (24%) did the test include the recommended number of at least 10 studies of varying size. Subgroup analyses accompanied 42/110 (38%) index meta-analyses, but findings were not interpreted with respect to a test for interaction in 29/42 (69%) cases, and the issue of potential confounding in the subgroup analyses was not raised in any SR. CONCLUSIONS: There is scope for improvement in the application and interpretation of statistical analyses in SRs of therapeutic interventions. The involvement of statisticians on the SR team and establishment of partnerships between researchers with specialist expertise in SR methods and journal editors may help overcome these shortcomings. PMID- 29203420 TI - Compound action potential inhibition produced by various antidepressants in the frog sciatic nerve. AB - Although an inhibition of action potential conduction in nerve fibers possibly contributes to at least a part of antinociception produced by analgesics and the adjuvants, it has not been fully examined yet how the conduction inhibition differs in extent among their drugs. We investigated the effects of various antidepressants used as analgesic adjuvants on compound action potentials (CAPs) recorded from the frog sciatic nerve by using the air-gap method. The results were compared with those of the other adjuvants that were reported previously. Antidepressants, duloxetine (serotonin and noradrenaline reuptake inhibitor, SNRI), fluoxetine (selective serotonin reuptake inhibitor, SSRI), amitriptyline (tricyclic tertiary amine), desipramine (tricyclic secondary amine) and maprotiline (tetracyclic secondary amine), reduced the peak amplitude of the CAP with half-maximal inhibitory concentration (IC50) values of 0.23, 1.5, 0.26, 1.6 and 0.95mM, respectively. Trazodone (non-SNRI, -SSRI, -tricyclic and -tetracyclic antidepressant) at 1.0mM reduced CAP amplitude by about 50%. The duloxetine and amitriptyline values were comparable to those of lamotrigine and carbamazepine (antiepileptics), dexmedetomidine (alpha2-adrenoceptor agonist) and ropivacaine, levobupivacaine and pramoxine (local anesthetics). The fluoxetine, desipramine, maprotiline and trazodone values were similar to those of oxymetazoline (alpha2 adrenoceptor agonist) and lidocaine, cocaine, procaine and prilocaine (local anesthetics). The antidepressants' IC50 values were much larger than that of tetracaine (local anesthetic). In conclusion, the six antidepressants inhibited CAPs with efficacies comparable to some antiepileptics, alpha2-adrenoceptor agonists and local anesthetics. It was suggested that antidepressants inhibit nerve conduction with efficacies comparable to those of the other adjuvants. PMID- 29203421 TI - Executive function performance in obesity and overweight individuals: A meta analysis and review. AB - Prior research has suggested that obesity/overweight may be associated with deficits in executive function. If true, this has important clinical implications. In this review, we synthesize the current literature by conducting a meta-analysis of studies comparing executive functions in overweight/obese individuals to normal weight controls. We identified 72 studies-with 4904 overweight/obese participants-that met our inclusion criteria. Effect sizes were analyzed using the robust variance estimation random effects meta-regression technique. It was found that obese participants showed broad impairments on executive function, including on tasks primarily utilizing inhibition, cognitive flexibility, working memory, decision-making, verbal fluency, and planning; overweight participants only showed significant deficits in inhibition and working memory. The only moderator of effects of obesity to emerge significant was the task used to assess the respective executive function, which moderated effects of obesity on working memory and decision-making. There were not enough studies of overweight individuals to make strong claims about moderating effects in those studies. In sum, current evidence supports the existence of broad executive function deficits in obese individuals, and inhibition and working memory deficits in overweight individuals. PMID- 29203423 TI - Compulsivity-related neurocognitive performance deficits in gambling disorder: A systematic review and meta-analysis. AB - Compulsivity is a core feature of addictive disorders, including gambling disorder. However, it is unclear to what extent this compulsive behavior in gambling disorder is associated with abnormal compulsivity-related neurocognitive functioning. Here, we summarize and synthesize the evidence for compulsive behavior, as assessed by compulsivity-related neurocognitive tasks, in individuals with gambling disorder compared to healthy controls (HCs). A total of 29 studies, comprising 41 task-results, were included in the systematic review; 32 datasets (n=1072 individuals with gambling disorder; n=1312 HCs) were also included in the meta-analyses, conducted for each cognitive task separately. Our meta-analyses indicate significant deficits in individuals with gambling disorder in cognitive flexibility, attentional set-shifting, and attentional bias. Overall, these findings support the idea that compulsivity-related performance deficits characterize gambling disorder. This association may provide a possible link between impairments in executive functions related to compulsive action. We discuss the practical relevance of these results, their implications for our understanding of gambling disorder and how they relate to neurobiological factors and other 'disorders of compulsivity'. PMID- 29203424 TI - Depression subtyping based on evolutionary psychiatry: From reactive short-term mood change to depression. PMID- 29203422 TI - Pavlovian conditioned diminution of the neurobehavioral response to threat. AB - An important function of emotion is that it motivates us to respond more effectively to threats in our environment. Accordingly, healthy emotional function depends on the ability to appropriately avoid, escape, or defend against threats we encounter. Thus, from a functional perspective, it is important to understand the emotional response to threat. However, prior work has largely focused on the emotional response in anticipation of threat, rather than the emotional response to the threat itself. The current review is focused on recent behavioral, psychophysiological, and neural findings from Pavlovian conditioning research that is centered on the expression and regulation of the emotional response to threat. The current evidence suggests that a neural network that includes the prefrontal cortex, hippocampus, and amygdala underlies learning, expression, and regulation processes that modulate emotional responses to threat. This line of research has important implications for our understanding of emotion regulation and stress resilience. PMID- 29203425 TI - TGFbeta1 transduction enhances immunomodulatory capacity of neural stem cells in experimental autoimmune encephalomyelitis. AB - Bone marrow-derived neural stem cells (BM-NSCs) have therapeutic effect on EAE, an animal model of multiple sclerosis. However, the beneficial effect is suboptimal due to the limited immunomodulatory capacity of these cells. In this study, we engineered BM-NSCs with inducible TGFbeta1, a potent immunosuppressive cytokine, to enhance their anti-inflammatory capacity. We found that i.v. injected TGFbeta1-BM-NSCs more effectively suppressed clinical severity, inflammation and demyelination of the central nervous system of EAE mice. Transduction of TGFbeta1 resulted in a higher percentage of Tregs and lower percentage of Th1 and Th17 cells in the periphery, with increased production of IL-10, and reduced production of IFN-gamma, IL-17 and GM-CSF. Moreover, myelin specific splenic proliferation was also inhibited more profoundly by TGFbeta1-BM NSCs. We also found that TGFbeta1-BM-NSCs have the capacity to switch microglia from M1 to M2 phenotype. On the other hand, transduction of TGFbeta1 did not affect proliferative ability and differentiating potential of BM-NSCs in vitro and in vivo. Together, these findings demonstrate that transduction of TGFbeta1 significantly enhanced the immunomodulatory capacity of BM-NSCs for EAE treatment, through inducing Tregs and an M2 phenotype of macrophages/microglia, while retaining their capacity for neural cell differentiation. Thus, our study provides an easily accessible, inducible and effective therapy for CNS inflammatory demyelination. PMID- 29203426 TI - Effects of structurally stabilized EGF and bFGF on wound healing in type I and type II diabetic mice. AB - : Diabetes mellitus comprises a multiple metabolic disorder that affects millions of people worldwide and consequentially poses challenges for clinical treatment. Among the various complications, diabetic ulcer constitutes the most prevalent associated disorder and leads to delayed wound healing. To enhance wound healing capacity, we developed structurally stabilized epidermal growth factor (ST-EGF) and basic fibroblast growth factor (ST-bFGF) to overcome limitations of commercially available EGF (CA-EGF) and bFGF (CA-bFGF), such as short half-life and loss of activity after loading onto a matrix. Neither ST-EGF nor ST-bFGF was toxic, and both were more stable at higher temperatures than CA-EGF and CA-bFGF. We loaded ST-EGF and ST-bFGF onto a hyaluronate-collagen dressing (HCD) matrix, a biocompatible carrier, and tested the effectiveness of this system in promoting wound healing in a mouse model of diabetes. Wounds treated with HCD matrix loaded with 0.3 MUg/cm2 ST-EGF or 1 MUg/cm2 ST-bFGF showed a more rapid rate of tissue repair as compared to the control in type I and II diabetes models. Our results indicate that an HDC matrix loaded with 0.3 MUg/cm2 ST-EGF or 1 MUg/cm2 ST-bFGF can promote wound healing in diabetic ulcers and are suitable for use in wound dressings owing to their stability for long periods at room temperature. STATEMENT OF SIGNIFICANCE: Various types of dressing materials loaded with growth factors, such as VEGF, EGF, and bFGF, are widely used to effect wound repair. However, such growth factor-loaded materials have several limitations for use as therapeutic agents in healing-impaired diabetic wounds. To overcome these limitations, we have developed new materials containing structurally stabilized EGF (ST-EGF) and bFGF (ST-bFGF). To confirm the wound healing capacity of newly developed materials (ST-EGF and ST-bFGF-loaded hyaluronate-collagen dressing [HCD] matrix), we applied these matrices in type I and type II diabetic wounds. Notably, these matrices were able to accelerate wound healing including re epithelialization, neovascularization, and collagen deposition. Consequentially, these ST-EGF and ST-bFGF-loaded HCD matrix may be used as future therapeutic agents in patients with diabetic foot ulcers. PMID- 29203428 TI - Calibration by commutable control materials is able to reduce inter-method differences of current high-performance methods for HbA2. AB - BACKGROUND: Most of the current methods used for the determination of HbA2 seem not well aligned. A comparison among the best performing techniques and the commutability of some control materials currently available and under development has been evaluated. METHODS: Forty blood samples were analyzed in duplicate over two separate days by different HPLC and capillary electrophoresis systems. The commutabilities of different control materials (NIBSC WHO reagent, Bio-Rad Lyphochek, and home prepared lyophilized controls RP1-3) have been assessed by analyzing the controls in quadruplicate over two consecutive days together with the blood samples. RESULTS: The mean within-run imprecision of HbA2 measurement on blood samples (CV, %) was between 0.6% and 10.1% for HbA2 values <3.5%, and between 1.1 and 3.1 for HbA2>=3.5%. The different methods were highly correlated (r between 0.9941 and 0.9995) although biased each other. The NIBSC WHO reagent was found not commutable in 15 over 28 comparisons, the Lyphochek 2 in 18/28, and RP3 in 4/28. Recalibration of all methods by RP1 and RP2 materials was able to reduce the overall variability from 6.8% to 3.4% at HbA2<=3.0% and from 6.7% to 3.0% at HbA2>=4.6%. CONCLUSION: The use of adequate commutable control materials as calibrators may reduce the inter-method variability of routine methods to an extent closer to the current analytical goals of bias based on biological variability. PMID- 29203427 TI - The association between plasma homocysteine and ambulatory blood pressure variability in patients with untreated hypertension. AB - BACKGROUND: Both homocysteine (Hcy) and blood pressure variability (BPV) are independent predictors of stroke, however, their relationship is rarely evaluated before. This study aimed to investigate the association Hcy and ambulatory BPV in subjects with untreated primary hypertension. METHODS: A total of 252 eligible patients were recruited. Plasma Hcy was measured and 24-h ambulatory blood pressure monitoring was performed for each subject. The systolic and diastolic BPV values were calculated as the SD of individual blood pressure values during 24h, daytime and nighttime, and then stratified by the tertiles of Hcy concentration (T1 to T3). Univariate and multivariate linear regression models were used to assess the relationships between Hcy tertiles and BPV variables. RESULTS: The mean values of Hcy from T1 to T3 were 7.51+/-1.21MUmol/l, 11.09+/ 1.07MUmol/l and 19.14+/-6.26MUmol/l, respectively. Systolic and diastolic mean blood pressures were similar among subjects with different Hcy tertiles. However, both systolic and diastolic BPV variables, no matter in 24-h, daytime or nighttime, were increasing significantly along with the rises in Hcy tertiles (all p<0.05 for linear trends analysis). Multivariate linear regression analysis indicated that Hcy tertiles were significantly associated with BPV variables, independently of mean blood pressures other confounding factors. In subgroup analysis, the associations between Hcy tertiles and BPV variables were enhanced by the increased risk stratification of hypertension. CONCLUSIONS: Plasma Hcy was positively and independently associated with ambulatory BPV in patients with untreated hypertension. PMID- 29203429 TI - Oxidative stress in urea cycle disorders: Findings from clinical and basic research. AB - Inborn errors of metabolism (IEM) comprise a group of over 600 disorders, each with a specific metabolic impairment due to a genetic defect. Urea cycle disorders (UCD) are IEM that affect the nitrogen disposal system, leading to hyperammonemia and the accumulation of other toxic metabolites in tissues of affected patients. UCD arise from mutations in the genes coding any of the enzymes participating in the urea cycle, either directly or as regulators of this pathway, causing severe respiratory alkalosis. Considering that the exact mechanisms underlying the damage found in UCD, the purpose of this minireview is to obtain data and search for links between UCD and oxidative stress, a phenomenon common to several IEM. In vitro studies and animal models of UCD suggest that, not only the accumulation of ammonia, but also of the other metabolites involved in each UCD may impair redox status. Nitric oxide metabolism also seems to play an interesting role in the maintenance of redox balance in these conditions. Clinical research provides little information on the subject, but, studies appear to support the role of oxidative stress in pathologic mechanisms of UCD. PMID- 29203430 TI - Optimization of perioperative management of proximal femoral fracture in the elderly. AB - Proximal femoral fracture in elderly subjects is a major event that is life threatening in the medium-to-long term. Advanced age, male gender and number of comorbidities largely account for high mortality and require geriatric expertise. Protein-energy malnutrition and bone demineralization increase mortality. Mortality can, on the other hand, be reduced by acting on two variables accessible to medical intervention: daily activities and nutritional status. Functional and neurocognitive assessment allow the risk of dependency to be evaluated, and global geriatric work-up can prevent sudden breakdown of homeostasis. In the emergency setting, pain is to be alleviated, polymedication and anticoagulation therapy checked, and instability (notably cardiac and pulmonary) and confusion syndrome screened for on geriatric and anesthesiologic opinions. Surgery should be implemented without delay, within 48hours of admission, preferably using multimodal anesthesia. The technique should be geared to allow early weight-bearing and mobilization. The most comprehensive care plan involves team-work between emergency physicians, surgeons, orthopedic specialists, anesthesiologists, geriatricians, pharmacists, rehabilitation specialists and nursing staff, to reduce mortality and readmission and improve functional results. Post-fracture coordination seeks to prevent falls and further fractures and to treat bone demineralization. PMID- 29203431 TI - Surgical reduction of congenital hip dislocation. AB - Surgical reduction of congenital hip dislocation is technically challenging. In our practice, surgical reduction is usually reserved for patients who have failed non-operative treatment, which is the first-line strategy. However, primary surgery may be indicated if the dislocation is diagnosed late and can be performed until 8 years of age. The reduction step is crucial. It starts with painstaking exposure of the capsule. Identifying the lower part of the acetabulum is the key to accurate repositioning of the epiphysis. The main intra-articular procedures are resection of the ligament teres, adipose tissue within the acetabular cavity, and transverse acetabular ligament; and eversion of the radially incised limbus. In patients younger than 1 year of age, surgical reduction can be performed via the anterior approach or, in some cases, the obturator approach. No complementary steps are needed. If the diagnosis is made late, in contrast, reduction of the hip must be combined with corrective procedures on the femur and acetabulum designed to stabilise the reduction before the capsulorrhaphy, with the goal of optimising hip stability and minimising the risk of residual dysplasia. Femoral shortening and derotation osteotomy was classically reserved for children older than 3 years but has now been shown to be a useful and prudent procedure in younger patients. This osteotomy decreases pressure on the epiphysis, facilitates the reduction, and diminishes the risk of recurrence and avascular necrosis of the femoral head, which are the two dreaded complications. The outcome depends on the care directed to the procedure and on the quality of postoperative management. PMID- 29203432 TI - Cutibacterium acnes prosthetic joint infection: Diagnosis and treatment. AB - Cutibacterium acnes is a commensal skin bacterium, regularly implicated in prosthetic joint infection, particularly of the shoulder. Diagnosis has been improved by progress in bacteriological techniques: longer culture time, liquid medium culture, MALDI-TOF mass spectrography, and universal 16S rRNA PCR, associated by some authors to sonication of ablated implants. C. acnes pathogenicity involves many virulence factors, notably including biofilm formation. C. acnes may lead to infection that is clinically evident or, frequently, relatively asymptomatic. C. acnes is an anaerobic Gram-positive bacterium, susceptible to many antibiotics that are regularly used in bone and joint infection: beta-lactams, quinolone, rifampicin and clindamycin. It shows increasing resistance to clindamycin and natural resistance to metronidazole. Treatment is medical and surgical, associating synovectomy or complete 1- or 2 step revision depending on time to treatment, and antibiotic therapy. Antibiotic therapy is typically for three months with an initial 2-6 weeks' intravenous phase. Prognosis is generally favorable with well-conducted treatment. Late discovery of positive samples after apparently aseptic implant change is an at risk situation, usually managed by antibiotic therapy, but with late initiation and hence increased risk of failure. Adverse secondary progression requires repeat revision under good conditions. PMID- 29203433 TI - Management of soft tissue tumors of the musculoskeletal system. AB - A palpable mass in the musculoskeletal system is a common reason for consultation. The main issue is that a malignant tumor must not be missed. Inappropriate initial treatment can have direct consequences on the risk of local recurrence, the patient's future function and life expectancy. A mass more than 5cm in diameter, a subfascial location and a recent increase in size are signs that should lead the physician to question whether the lesion is truly benign and to carry out diagnostic examinations. MRI is the gold standard imaging exam. Biopsy, which is now mainly percutaneous and imaging-guided, must be performed for any subfascial mass more than 5cm long or a smaller mass with a high risk of postoperative functional sequelae. Referring the patient to a specialized cancer center has direct benefits on the patient's recurrence-free survival and reduces time lost during the diagnostic and treatment phases. For malignant tumors, surgical treatment requires resection margins that comply with cancer guidelines. Preservation of the limb and its function may require multidisciplinary reconstruction techniques. Pre- or post-operative radiation therapy or chemotherapy should be proposed only after discussion in a multidisciplinary team meeting. PMID- 29203434 TI - Efficacy and rapid activity of omalizumab retreatment in chronic spontaneous urticaria. PMID- 29203435 TI - Occurrence of vismodegib-induced cramps (muscular spasms) in the treatment of basal cell carcinoma: A prospective study in 30 patients. PMID- 29203436 TI - A cross-sectional survey of long-term outcomes for patients with diffuse capillary malformation with overgrowth. PMID- 29203437 TI - Effect of alcohol-based hand rub on hand microbiome and hand skin health in hospitalized adult stem cell transplant patients: A pilot study. PMID- 29203438 TI - Risk of venous thromboembolism in patients with mycosis fungoides and parapsoriasis: A Danish nationwide population-based cohort study. AB - BACKGROUND: Mycosis fungoides (MF) and parapsoriasis are characterized by malignant proliferation and chronic inflammation, which may affect the risk for venous thromboembolism (VTE). OBJECTIVES: To examine the risk for VTE in patients with MF and parapsoriasis. METHODS: We conducted a nationwide population-based cohort study in Denmark to examine the relative risk (RR) of VTE in 525 patients with MF and 634 patients with parapsoriasis compared with that in sex- and age matched controls from the general population. RESULTS: In patients with MF, the 10-year absolute risk for VTE was 3.4% (95% confidence interval [CI], 2.0-5.4). The adjusted RRs were 2.41 (95% CI, 1.49-3.90) for VTE and 4.01 (95% CI, 2.16 7.46) for pulmonary embolism. Notably, within the first 5 years after diagnosis with MF, the RR of pulmonary embolism was increased 6.7-fold (to 6.71 [95% CI, 2.86-15.72]). Patients with parapsoriasis had a 2.7-fold increased RR of VTE (to 2.67 [95% CI, 1.32-5.40]) in the absence of other established VTE risk factors. LIMITATIONS: We had no information regarding disease stage of MF and prescribed drugs. CONCLUSION: Patients with MF and parapsoriasis had an increased RR of VTE, although the absolute risk remained low. These findings should increase awareness of comorbidities in patients with MF and parapsoriasis. PMID- 29203439 TI - An age-dependent interaction between sex and geographical UV index in melanoma risk. AB - BACKGROUND: UV exposure may not equally impact melanoma development in different sexes and ages. Whether and how these factors interact with each other in melanoma risk is unknown. OBJECTIVE: This study attempts to estimate interactions among UVI, sex and age in melanoma risk. METHODS: Melanoma incidence data was collected from 42 cancer registries. Geographical UV index (UVI) was collected from local satellite stations. Negative binomial regression models were used to estimate the impact of each risk factor and their interactions. RESULTS: Sex, UVI and age, as well as interactions between any two of these factors were significantly associated with melanoma risk. In younger age groups, the female sex is an independent risk factor for melanoma that is not impacted by ambient UV exposure. In older age groups, however, the female sex interacts with UV exposure as a risk factor, exhibiting a protective effect. The switching age category is 45-49, which correlates with dramatic hormonal changes. LIMITATIONS: the interaction between sex and UVI is measured at an ecological level. CONCLUSION: The interaction between sex and UVI is age-dependent. The female sex is an independent risk factor for early onset melanoma, but the female sex also protects against UV-associated melanoma in older age groups. PMID- 29203442 TI - N-3 PUFA diet enrichment prevents amyloid beta-induced depressive-like phenotype. AB - Among neuropsychiatric diseases, depression is one of the most prevalent. Many pathologies have been indicated as comorbid with depression and in particular, neurodegenerative disorders such as Alzheimer's diseases (AD). In this regard, several evidences endorse a strong relationship between depression and AD, so much that this mental illness has been proposed either as a risk factor for AD or as a prodromic AD phase. Furthermore, amyloid beta (Abeta) peptide, the main constituent of amyloid plaques commonly considered the principal hallmark of AD brains, has been shown to be increased, in its soluble form, in depressed patients. Accordingly, we have previously found that Abeta, intracerebroventricularly (i.c.v.) injected, is able to evoke a depressive-like profile in rats accompanied by low cortical serotonin and reduced neurotrophin content. Taking into account the great increase in AD and depression prevalence, many environmental factors have been under study, particularly dietary factors, and the role of polyunsaturated fatty acids (PUFA) is becoming central in this field of research. Thus, aim of the present study was to evaluate the neurobehavioral effects of lifelong exposure to either n-3 PUFA rich or n-3 PUFA poor diet after Abeta central administration. Results showed that n-3 PUFA enriched diet prevented the Abeta- induced depressive-like behaviors, as reveled by the reduction in the immobility time in the FST test. Furthermore, n-3 PUFA rich diet exposure reverted also serotonin and neurotrophin level reduction in prefrontal cortex of Abeta treated rats. Taken together, our data support the concept that supplementation of diet with n-3 PUFA represents a valid approach to reduce the risk of developing depressive symptoms, as well as reducing the risk of Abeta-related pathologies, such as AD. PMID- 29203443 TI - Examination of emotion-induced changes in eating: A latent profile analysis of the Emotional Appetite Questionnaire. AB - It is now recognized that emotions can influence food intake. While some people report eating less when distressed, others report either no change of eating or eating more in the same condition. The question whether this interindividual variability also occurs in response to positive emotions has been overlooked in most studies on Emotional Eating (EE). Using the Emotional Appetite Questionnaire (EMAQ) and Latent Profile Analysis, this study aimed to examine the existence of latent emotion-induced changes in eating profiles, and explore how these profiles differ by testing their relations with 1) age and sex, 2) BMI and risk for eating disorders (ED) and 3) factors that are known to be associated with EE such as perceived positive/negative feelings, depression, anxiety, stress symptoms and impulsivity. Among 401 university students (245 females) who completed the EMAQ, 3 profiles emerged (P1:11.2%, P2:60.1%, P3:28.7%), with distinct patterns of eating behaviors in response to negative emotions and situations but few differences regarding positive ones. Negative emotional overeaters (P1) and negative emotional undereaters (P3) reported similar levels of emotional distress and positive feelings, and were at greater risk for ED. However, the people in the former profile i) reported decreasing their food intake in a positive context, ii) were in majority females, iii) had higher BMI and iv) were more prone to report acting rashly when experiencing negative emotions. Our findings suggest that a person-centred analysis of the EMAQ scores offers a promising way to capture the inter-individual variability of emotionally-driven eating behaviors. These observations also add to the growing literature underscoring the importance of further investigating the role of different facets of impulsivity in triggering overeating and to develop more targeted interventions of EE. PMID- 29203444 TI - Stress and eating behaviors in children and adolescents: Systematic review and meta-analysis. AB - It is well established that stress is linked to changes in eating behaviors. Research using adult populations has shown that stress is associated with both increases and decreases in the amount and type of food consumed. However, due to a lack of research reviews, the relationship between stress and eating behaviors in children is unclear. This systematic research review and meta-analysis aimed to identify whether stress is associated with healthy and unhealthy eating behaviors in children aged 8-18 years. Studies were included in the review if they measured stress and included a measure of food consumption. All unique studies retrieved (N = 28,070) were assessed for their eligibility at title, abstract and full text levels. A total of 13 studies were included in the final review and data were analysed using Comprehensive Meta-Analysis. Using random effects modelling, overall stress was not associated with a change in overall eating behaviors. However, additional analyses indicated stress was associated with unhealthy eating behaviors in both younger (Hedge's g = 0.283, p < 0.001) and older (Hedge's g = 0.274, p = 0.001) children. In contrast, stress was not associated with healthy eating behaviors in younger children (Hedge's g = 0.093, p = 0.156), but was negatively associated with healthy eating behaviors in older children (Hedge's g = -0.384, p < 0.001). The current findings are concerning as they suggest the impact of stress on unhealthy eating may begin as early as 8 or 9 years old. Future research ought to investigate further the role of psychological, behavioral and endocrine factors in the development of stress related eating in children. PMID- 29203441 TI - Therapeutic targeting of oncogenic transcription factors by natural products in eye cancer. AB - Carcinogenesis has a multifactorial etiology, and the underlying molecular pathogenesis is still not entirely understood, especially for eye cancers. Primary malignant intraocular neoplasms are relatively rare, but delayed detection and inappropriate management contribute to poor outcomes. Conventional treatment, such as orbital exenteration, chemotherapy, or radiotherapy, alone results in high mortality for many of these malignancies. Recent sequential multimodal therapy with a combination of high-dose chemotherapy, followed by appropriate surgery, radiotherapy, and additional adjuvant chemotherapy has helped dramatically improve management. Transcription factors are proteins that regulate gene expression by modulating the synthesis of mRNA. Since transcription is a dominant control point in the production of many proteins, transcription factors represent key regulators for numerous cellular functions, including proliferation, differentiation, and apoptosis, making them compelling targets for drug development. Natural compounds have been studied for their potential to be potent yet safe chemotherapeutic drugs. Since the ancient times, plant-derived bioactive molecules have been used to treat dreadful diseases like cancer, and several refined pharmaceutics have been developed from these compounds. Understanding targeting mechanisms of oncogenic transcription factors by natural products can add to our oncologic management toolbox. This review summarizes the current findings of natural products in targeting specific oncogenic transcription factors in various types of eye cancer. PMID- 29203440 TI - CAR-T cells and combination therapies: What's next in the immunotherapy revolution? AB - Cancer immunotherapies are dramatically reshaping the clinical management of oncologic patients. For many of these therapies, the guidelines for administration, monitoring, and management of associated toxicities are still being established. This is especially relevant for adoptively transferred, genetically-modified T cells, which have unique pharmacokinetic properties, due to their ability to replicate and persist long-term, following a single administration. Furthermore, in the case of CAR-T cells, the use of synthetic immune receptors may impact signaling pathways involved in T cell function and survival in unexpected ways. We, herein, comment on the most salient aspects of CAR-T cell design and clinical experience in the treatment of solid tumors. In addition, we discuss different possible scenarios for combinations of CAR-T cells and other treatment modalities, with a special emphasis on kinase inhibitors, elaborating on the strategies to maximize synergism. Finally, we discuss some of the technologies that are available to explore the molecular events governing the success of these therapies. The young fields of synthetic and systems biology are likely to be major players in the advancement of CAR-T cell therapies, providing the tools and the knowledge to engineer patients' T lymphocytes into intelligent cancer-fighting micromachines. PMID- 29203445 TI - Rapid monitoring of vancomycin-resistant Enterococcus faecium in hospital departments by repetitive element palindromic polymerase chain reaction. AB - BACKGROUND: The current increase in nosocomial infections caused by vancomycin resistant enterococci (VRE) warrants improvement of detection methods and hygiene measures. Knowledge of the local epidemiology is important for monitoring compliance of medical personnel with hygiene measures. AIM: To evaluate semi automated repetitive element palindromic polymerase chain reaction (rep-PCR) for rapid molecular typing of VRE. METHODS: Primary VRE isolates were collected during an observation period of one year and retrospectively typed by rep-PCR. Molecular typing was performed on isolates from two departments with elevated VRE rates and patients with increased risk for systemic VRE infections. Typing results were correlated with temporal and spatial information on patient moves, VRE laboratory results and multi-locus sequence typing (MLST). FINDINGS: Approximately 70% of VRE isolates within a department could be assigned to similarity clusters. Spread of VRE was limited to the individual departments. There was no evidence for spread of endemic VRE strains within the geographical catchment area of the hospital. Our results demonstrate the utility of rep-PCR typing on a department level. However, a Diversilab(r) threshold of >=98% had to be applied to claim similarity, and suspected transmissions needed to be confirmed by vanA/B genotyping and compiled information on spatial and temporal patient contact. MLST verified the findings. CONCLUSION: Spread of predominantly detected vancomycin-resistant Enterococcus faecium was limited to the department level with no evidence for wider dissemination within the hospital. Well standardized and validated (semi-)automated rep-PCR systems are useful for rapid detection of possible VRE transmission. However, suspected transmissions need to be confirmed by clinical and microbiological parameters. PMID- 29203447 TI - Reducing Escherichia coli bacteraemia associated with catheter-associated urinary tract infections in the secondary care setting. PMID- 29203446 TI - Update on Clostridium difficile from the European Congress of Clinical Microbiology and Infectious Diseases (ECCMID), Vienna, Austria, April 22-25, 2017. PMID- 29203448 TI - Surface disinfection challenges for Candida auris: an in-vitro study. AB - The emerging pathogenic multidrug-resistant yeast Candida auris is an important source of healthcare-associated infections and of growing global clinical concern. The ability of this organism to survive on surfaces and withstand environmental stressors creates a challenge for eradicating it from hospitals. A panel of C. auris clinical isolates was evaluated on different surface environments against the standard disinfectant sodium hypochlorite and high-level disinfectant peracetic acid. C. auris was shown to selectively tolerate clinically relevant concentrations of sodium hypochlorite and peracetic acid in a surface-dependent manner, which may explain its ability to successfully persist within the hospital environment. PMID- 29203449 TI - Dietary leucine modulates growth performance, Nrf2 antioxidant signaling pathway and immune response of juvenile blunt snout bream (Megalobrama amblycephala). AB - The present study assessed the effects of dietary leucine on growth performance, antioxidant status and immunity in juvenile blunt snout bream. Fish were fed six practical diets of graded leucine levels ranging from 0.90% to 2.94% of dry basis for 8 weeks. Trail results showed that compared to control group (0.90%), 1.72% dietary leucine level significantly improved final weight (FW), weight gain rate (WG) and specific growth rate (SGR), and significantly lowered feed conversion ratio (FCR). Based on WG and SGR, the optimal dietary leucine level was obtained at 1.40% and 1.56%, respectively. Whole body crude lipid and protein contents were improved with increasing dietary leucine up to 2.14% and thereafter showed a downward trend, while whole body moisture content showed a converse trend. No significant change was found in whole body ash content. 1.72% dietary leucine level significantly improved the antioxidant capacity of fish by regulating the plasma superoxide dismutase (SOD) activity, glutathione peroxidase (GPx) activity, total antioxidant capacity (T-AOC) activity, catalase (CAT) activity, aspartate aminotransferase (AST) activities and malondialdehyde (MDA) content, furthermore, 1.72% dietary leucine level also significantly improved the antioxidant genes expressions of associated with Nrf2 signaling pathway by regulating heme oxygenase-1 (HO-1), GPx, copperezinc superoxide dismutase (Cu/Zn SOD), manganese superoxide dismutase (Mn-SOD), 2.14% dietary leucine levels also significantly improved glutathione transferase (GST) mRNA level. Dietary leucine levels significantly affected plasma immunity parameters such as the contents of plasma complement component 3 (C3), immunoglobulin M (IgM) and lowered the hepatopancreas genes expressions of pro-inflammatory factor by regulating interleukin 1beta (IL-1beta), interleukin 8 (IL-8) and tumour necrosis factor alpha (TNF-alpha) mRNA levels. The present study indicated that optimal dietary leucine level plays an important role in improving growth, enhancing antioxidant and immune status to maintain the health in juvenile blunt snout bream. PMID- 29203450 TI - The drug discrimination assay: Interpretative value of partial generalization for drug schedule control actions. AB - The U.S. Food & Drug Administration (FDA) has issued a final guidance document on the preclinical determination of abuse potential that must be conducted in animals for all new molecular entities (NMEs) submitted for a new drug application (NDA). Under statutory restrictions government guidance documents serve only as a guide or an expression of the agency's current thinking on the topic. Guidelines do not legally bind the agency or its registrants to any content in the guidance. There are no statutory (legal) descriptions of what study designs or methodology must be submitted to the Drug Enforcement Administration with respect to drug scheduling review. This paper describes the utility of an alternate method used, worldwide, to assess the internal subjective effects of drugs to predict the abuse liability that provides additional information to address the relative aspects of that liability. PMID- 29203451 TI - An improved CPRG colorimetric ligand-receptor signal transduction assay based on beta-galactosidase activity in mammalian BWZ-reporter cells. AB - INTRODUCTION: Reporter cells expressing a chimeric receptor that activates a reporter can be used for screening ligand-mediated signal transduction. In this study, we used reporter cells harboring an NFAT/lacZ construct that express beta galactosidase when the chimeric receptor is stimulated. A colorimetric beta galactosidase substrate, chlorophenol-red beta-d-galactopyranoside (CPRG), was used to detect enzymatic activity. Sub-optimal conditions have unfortunately extensively been reported with such reporter-based beta-galactosidase assays. Here, we aimed to improve the CPRG-based colorimetric assay such that receptor ligands could be effectively screened with reporter cells. METHODS: After stimulation of reporter cells, we determined beta-galactosidase activity by absorbance measurement of beta-galactosidase-dependent CPRG hydrolysis. We systematically examined each component in a standard lysis buffer most commonly reported for this type of reporter cells. Furthermore, we evaluated literature in the field. RESULTS: An increased CPRG substrate concentration combined with a different detergent, Saponin, and an optimal wavelength recording markedly increased the sensitivity for the detection of beta-galactosidase activity (~4 fold increase). Moreover, the improved protocol resulted in increased linear time dependent recording of enzymatic activity once cells had been lysed, and a more stable and reproducible assay to detect a ligand-stimulus with the reporter cells. The optimal time length of exposure to a stimulus was ligand-dependent. DISCUSSION: In conclusion, we provide an improved protocol with an optimized lysis buffer that gives up to a six-fold higher and more robust specific signal when NFAT/lacZ-based receptor-expressing reporter cells are exposed to a stimulus. PMID- 29203452 TI - A spatio-temporal reference model of the aging brain. AB - Both normal aging and neurodegenerative disorders such as Alzheimer's disease (AD) cause morphological changes of the brain. It is generally difficult to distinguish these two causes of morphological change by visual inspection of magnetic resonance (MR) images. To facilitate making this distinction and thus aid the diagnosis of neurodegenerative disorders, we propose a method for developing a spatio-temporal model of morphological differences in the brain due to normal aging. The method utilizes groupwise image registration to characterize morphological variation across brain scans of people with different ages. To extract the deformations that are due to normal aging we use partial least squares regression, which yields modes of deformations highly correlated with age, and corresponding scores for each input subject. Subsequently, we determine a distribution of morphologies as a function of age by fitting smooth percentile curves to these scores. This distribution is used as a reference to which a person's morphology score can be compared. We validate our method on two different datasets, using images from both cognitively normal subjects and patients with Alzheimer disease (AD). Results show that the proposed framework extracts the expected atrophy patterns. Moreover, the morphology scores of cognitively normal subjects are on average lower than the scores of AD subjects, indicating that morphology differences between AD subjects and healthy subjects can be partly explained by accelerated aging. With our methods we are able to assess accelerated brain aging on both population and individual level. A spatio temporal aging brain model derived from 988 T1-weighted MR brain scans from a large population imaging study (age range 45.9-91.7y, mean age 68.3y) is made publicly available at www.agingbrain.nl. PMID- 29203453 TI - A transferable high-intensity intermittent exercise improves executive performance in association with dorsolateral prefrontal activation in young adults. AB - Although growing attention has been drawn to attainable, high-intensity intermittent exercise (HIE)-based intervention, which can improve cardiovascular and metabolic health, for sedentary individuals, there is limited information on the impact and potential benefit of an easily attainable HIE intervention for cognitive health. We aimed to reveal how acute HIE affects executive function focusing on underlying neural substrates. To address this issue, we examined the effects of acute HIE on executive function using the color-word matching Stroop task (CWST), which produces a cognitive conflict in the decision-making process, and its neural substrate using functional near infrared spectroscopy (fNIRS). Twenty-five sedentary young adults (mean age: 21.0 +/- 1.6 years; 9 females) participated in two counter-balanced sessions: HIE and resting control. The HIE session consisted of two minutes of warm-up exercise (50 W load at 60 rpm) and eight sets of 30 s of cycling exercise at 60% of maximal aerobic power (mean: 127 W +/- 29.5 load at 100 rpm) followed by 30 s of rest on a recumbent-ergometer. Participants performed a CWST before and after the 10-minute exercise session, during both of which cortical hemodynamic changes in the prefrontal cortex were monitored using fNIRS. Acute HIE led to improved Stroop performance reflected by a shortening of the response time related to Stroop interference. It also evoked cortical activation related to Stroop interference on the left-dorsal-lateral prefrontal cortex (DLPFC), which corresponded significantly with improved executive performance. These results provide the first empirical evidence using a neuroimaging method, to our knowledge, that acute HIE improves executive function, probably mediated by increased activation of the task-related area of the prefrontal cortex including the left-DLPFC. PMID- 29203454 TI - Framework for shape analysis of white matter fiber bundles. AB - Diffusion imaging coupled with tractography algorithms allows researchers to image human white matter fiber bundles in-vivo. These bundles are three dimensional structures with shapes that change over time during the course of development as well as in pathologic states. While most studies on white matter variability focus on analysis of tissue properties estimated from the diffusion data, e.g. fractional anisotropy, the shape variability of white matter fiber bundle is much less explored. In this paper, we present a set of tools for shape analysis of white matter fiber bundles, namely: (1) a concise geometric model of bundle shapes; (2) a method for bundle registration between subjects; (3) a method for deformation estimation. Our framework is useful for analysis of shape variability in white matter fiber bundles. We demonstrate our framework by applying our methods on two datasets: one consisting of data for 6 normal adults and another consisting of data for 38 normal children of age 11 days to 8.5 years. We suggest a robust and reproducible method to measure changes in the shape of white matter fiber bundles. We demonstrate how this method can be used to create a model to assess age-dependent changes in the shape of specific fiber bundles. We derive such models for an ensemble of white matter fiber bundles on our pediatric dataset and show that our results agree with normative human head and brain growth data. Creating these models for a large pediatric longitudinal dataset may improve understanding of both normal development and pathologic states and propose novel parameters for the examination of the pediatric brain. PMID- 29203455 TI - Quantitative MRI provides markers of intra-, inter-regional, and age-related differences in young adult cortical microstructure. AB - Measuring the structural composition of the cortex is critical to understanding typical development, yet few investigations in humans have charted markers in vivo that are sensitive to tissue microstructural attributes. Here, we used a well-validated quantitative MR protocol to measure four parameters (R1, MT, R2*, PD*) that differ in their sensitivity to facets of the tissue microstructural environment (R1, MT: myelin, macromolecular content; R2*: myelin, paramagnetic ions, i.e., iron; PD*: free water content). Mapping these parameters across cortical regions in a young adult cohort (18-39 years, N = 93) revealed expected patterns of increased macromolecular content as well as reduced tissue water content in primary and primary adjacent cortical regions. Mapping across cortical depth within regions showed decreased expression of myelin and related processes but increased tissue water content - when progressing from the grey/white to the grey/pial boundary, in all regions. Charting developmental change in cortical microstructure cross-sectionally, we found that parameters with sensitivity to tissue myelin (R1 & MT) showed linear increases with age across frontal and parietal cortex (change 0.5-1.0% per year). Overlap of robust age effects for both parameters emerged in left inferior frontal, right parietal and bilateral pre-central regions. Our findings afford an improved understanding of ontogeny in early adulthood and offer normative quantitative MR data for inter- and intra cortical composition, which may be used as benchmarks in further studies. PMID- 29203457 TI - Non-invasive estimation of [11C]PBR28 binding potential. AB - [11C]PBR28 is a PET radioligand used to estimate densities of the 18 kDa translocator protein (TSPO) in vivo. Since there is no suitable reference region, arterial blood samples are required for full quantification. Here, we evaluate a methodology for full quantification of [11C]PBR28 PET data that does not require either a reference region or blood samples. Simultaneous estimation (SIME) uses time-activity curves from several brain regions to estimate binding potential (BPND), a theoretically more sensitive outcome measure than total distribution volume. SIME can be employed with either a measured arterial input function (AIF) or a template input function (tIF) that has similar shape as the AIF, but with arbitrary amplitude. We evaluated the ability of SIME to detect group differences in TSPO densities using PET and arterial plasma data from 21 Alzheimer's disease (AD) patients and 15 controls that underwent [11C]PBR28 imaging. Regional BPND obtained with tIFs were compared to those obtained using measured AIFs. Standard kinetic modeling was also employed for comparison. The sensitivity of each method to detect group differences in TSPO densities were assessed by comparing estimated effect sizes between AD patients and controls. For this purpose, BPND estimated for one region with high pathological burden (inferior temporal cortex), and for one region with low pathological burden (cerebellum) was used. BPND estimates obtained with SIME and tIFs were close to identical to those obtained with AIF (3.0 +/- 21% difference, r2 = 0.78). In this dataset, the effect sizes between AD patients and controls for both SIME with AIF and SIME with tIF were similar (30.3%, p = 0.001 and 31.0%, p = 0.004, respectively) and were each greater than the effect size observed using the two-tissue compartment model (16.1%, p = 0.12). None of the tested methods showed difference in TSPO binding in cerebellum. These results demonstrate that BPND can be estimated for [11C]PBR28 using SIME, and may be useful in clinical studies. In addition, arterial sampling may not be necessary if tIFs can be reliably estimated. PMID- 29203456 TI - Non-invasive laminar inference with MEG: Comparison of methods and source inversion algorithms. AB - : Magnetoencephalography (MEG) is a direct measure of neuronal current flow; its anatomical resolution is therefore not constrained by physiology but rather by data quality and the models used to explain these data. Recent simulation work has shown that it is possible to distinguish between signals arising in the deep and superficial cortical laminae given accurate knowledge of these surfaces with respect to the MEG sensors. This previous work has focused around a single inversion scheme (multiple sparse priors) and a single global parametric fit metric (free energy). In this paper we use several different source inversion algorithms and both local and global, as well as parametric and non-parametric fit metrics in order to demonstrate the robustness of the discrimination between layers. We find that only algorithms with some sparsity constraint can successfully be used to make laminar discrimination. Importantly, local t statistics, global cross-validation and free energy all provide robust and mutually corroborating metrics of fit. We show that discrimination accuracy is affected by patch size estimates, cortical surface features, and lead field strength, which suggests several possible future improvements to this technique. This study demonstrates the possibility of determining the laminar origin of MEG sensor activity, and thus directly testing theories of human cognition that involve laminar- and frequency-specific mechanisms. This possibility can now be achieved using recent developments in high precision MEG, most notably the use of subject-specific head-casts, which allow for significant increases in data quality and therefore anatomically precise MEG recordings. SECTION: Analysis methods. CLASSIFICATIONS: Source localization: inverse problem; Source localization: other. PMID- 29203458 TI - Evaluating In-Car Movements in the Design of Mindful Commute Interventions: Exploratory Study. AB - BACKGROUND: The daily commute could be a right moment to teach drivers to use movement or breath towards improving their mental health. Long commutes, the relevance of transitioning from home to work, and vice versa and the privacy of commuting by car make the commute an ideal scenario and time to perform mindful exercises safely. Whereas driving safety is paramount, mindful exercises might help commuters decrease their daily stress while staying alert. Increasing vehicle automation may present new opportunities but also new challenges. OBJECTIVE: This study aimed to explore the design space for movement-based mindful interventions for commuters. We used qualitative analysis of simulated driving experiences in combination with simple movements to obtain key design insights. METHODS: We performed a semistructured viability assessment in 2 parts. First, a think-aloud technique was used to obtain information about a driving task. Drivers (N=12) were given simple instructions to complete movements (configural or breath-based) while engaged in either simple (highway) or complex (city) simulated urban driving tasks using autonomous and manual driving modes. Then, we performed a matching exercise where participants could experience vibrotactile patterns from the back of the car seat and map them to the prior movements. RESULTS: We report a summary of individual perceptions concerning different movements and vibrotactile patterns. Beside describing situations within a drive when it may be more likely to perform movement-based interventions, we also describe movements that may interfere with driving and those that may complement it well. Furthermore, we identify movements that could be conducive to a more relaxing commute and describe vibrotactile patterns that could guide such movements and exercises. We discuss implications for design such as the influence of driving modality on the adoption of movement, need for personal customization, the influence that social perception has on participants, and the potential role of prior awareness of mindful techniques in the adoption of new movement-based interventions. CONCLUSIONS: This exploratory study provides insights into which types of movements could be better suited to design mindful interventions to reduce stress for commuters, when to encourage such movements, and how best to guide them using noninvasive haptic stimuli embedded in the car seat. PMID- 29203459 TI - Mobile Phone Apps for Quality of Life and Well-Being Assessment in Breast and Prostate Cancer Patients: Systematic Review. AB - BACKGROUND: Mobile phone health apps are increasingly gaining attention in oncological care as potential tools for supporting cancer patients. Although the number of publications and health apps focusing on cancer is increasing, there are still few specifically designed for the most prevalent cancers diagnosed: breast and prostate cancers. There is a need to review the effect of these apps on breast and prostate cancer patients' quality of life (QoL) and well-being. OBJECTIVE: The purposes of this study were to review the scientific literature on mobile phone apps targeting breast or prostate cancer patients and involving QoL and well-being (anxiety and depression symptoms) and analyze the clinical and technological characteristics, strengths, and weaknesses of these apps, as well as patients' user experience with them. METHODS: We conducted a systematic review of peer-reviewed literature from The Cochrane Library, Excerpta Medica Database, PsycINFO, PubMed, Scopus, and MEDLINE to identify studies involving apps focused on breast and/or prostate cancer patients and QoL and/or well-being published between January 1, 2000, and July 12, 2017. Only trial studies which met the inclusion criteria were selected. The systematic review was completed with a critical analysis of the apps previously identified in the health literature research that were available from the official app stores. RESULTS: The systematic review of the literature yielded 3862 articles. After removal of duplicates, 3229 remained and were evaluated on the basis of title and abstract. Of these, 3211 were discarded as not meeting the inclusion criteria, and 18 records were selected for full text screening. Finally, 5 citations were included in this review, with a total of 644 patients, mean age 52.16 years. Four studies targeted breast cancer patients and 1 focused on prostate cancer patients. Four studies referred to apps that assessed QoL. Only 1 among the 5 analyzed apps was available from the official app store. In 3 studies, an app-related intervention was carried out, and 2 of them reported an improvement on QoL. The lengths of the app-related interventions varied from 4 to 12 weeks. Because 2 of the studies only tracked use of the app, no effect on QoL or well-being was found. CONCLUSIONS: Despite the existence of hundreds of studies involving cancer focused mobile phone apps, there is a lack of rigorous trials regarding the QoL and/or well-being assessment in breast and/or prostate cancer patients. A strong and collective effort should be made by all health care providers to determine those cancer-focused apps that effectively represent useful, accurate, and reliable tools for cancer patients' disease management. TRIAL REGISTRATION: PROSPERO CRD42017073069; https://www.crd.york.ac.uk/PROSPERO/display_record.asp?ID= CRD42017073069 (Archived by WebCite at http://www.webcitation.org/6v38Clb9T). PMID- 29203460 TI - Treatment of Low Back Pain with a Digital Multidisciplinary Pain Treatment App: Short-Term Results. AB - BACKGROUND: Even though modern concepts of disease management of unspecific low back pain (LBP) postulate active participation of patients, this strategy is difficult to adapt unless multidisciplinary pain therapy is applied. Recently, mobile health solutions have proven to be effective aides to foster self management of many diseases. OBJECTIVE: The objective of this paper was to report on the retrospective short-term results of a digital multidisciplinary pain app for the treatment of LBP. METHODS: Kaia is a mobile app that digitalizes multidisciplinary pain treatment and is in the market as a medical product class I. For the current study, the data of anonymized Kaia users was retrospectively analyzed. User data were evaluated for 12 weeks regarding duration of use and effect on in-app user reported pain levels, using the numerical rating scale (NRS), depending on whether LBP was classified as acute, subacute, or chronic back pain according to current guidelines. RESULTS: Data of 180 users were available. The mean age of the users was 33.9 years (SD 10.9). Pain levels decreased from baseline NRS 4.8 to 3.75 for all users at the end of the observation period. Users who completed 4, 8, or 12 weeks showed an even more pronounced decrease in pain level NRS (baseline 4.9 [SD 1.7] versus 3.6 [SD 1.5] at 4 weeks; baseline 4.7 [SD 1.8] versus 3.2 [SD [2.0] at 8 weeks; baseline 4.6 [SD 2.2] versus 2.6 [SD 2.0] at 12 weeks). In addition, subgroup analysis of acute, subacute, or chronic classification revealed no significant main effect of group (P>.30) on the reduction of pain. Conclusions: This retrospective study showed that in a pre-selected population of app users, an app digitalizing multidisciplinary rehabilitation for the self-management of LBP reduced user reported pain levels significantly. The observed effect size was clinically relevant. Ongoing prospective randomized controlled trials (RCTs) will adjust for potential bias and selection effects. CONCLUSIONS: This retrospective study showed that in a pre-selected population of app users, an app digitalizing multidisciplinary rehabilitation for the self-management of LBP reduced user reported pain levels significantly. The observed effect size was clinically relevant. Ongoing prospective RCTs will adjust for potential bias and selection effects. PMID- 29203462 TI - Ban evergreening and restricting generics to reduce drug prices, says US academy. PMID- 29203463 TI - Contractile reserve as a predictor of prognosis in non-ischaemic systolic heart failure: a systematic review and meta-analysis. AB - OBJECTIVE: Patients with non-ischaemic systolic heart failure (HF) and idiopathic dilated cardiomyopathy (DCM) are a heterogenous group with varied morbidity and mortality. Prognostication in this group is challenging. We performed a systematic review and meta-analysis to examine the significance of the presence of contractile reserve as assessed via stress imaging on mortality and hospitalisation. METHODS: A search for studies that non-invasively assessed contractile reserve in patients with DCM or non-ischaemic HF with reduced ejection fraction; stress imaging with follow up data comparing outcomes. A range of imaging modalities and stressors were included. We examined primary end points of mortality; secondary endpoints of combined cardiovascular events including HF progression or hospitalisation. Our analysis compared endpoints in patients with contractile reserve and those without. RESULTS: Nine prospective cohort studies were identified describing a total of 787 patients. These studies are methodologically but not statistically heterogenous (I2 = 31%). Using a random effects model, the presence of contractile reserve was associated with significantly lower risk of mortality and cardiovascular events odds ratios of 0.20 (CI 0.11, 0.39) ( p <0.00001) and 0.13 (CI 0.04, 0.40) (p = 0.0004) respectively. CONCLUSION: Regardless of stressor and imaging modality and despite the significant methodological heterogeneity within the current data (imaging techniques and parameters), patients with non-ischaemic cardiomyopathy and reduced EF who demonstrate contractile reserve have a lower mortality, and lower events / hospitalisations. The presence of contractile reserve therefore offers a potential positive prognostic indicator when managing these patients. PMID- 29203461 TI - Identifying and Targeting Sporadic Oncogenic Genetic Aberrations in Mouse Models of Triple-Negative Breast Cancer. AB - Triple-negative breast cancers (TNBC) are genetically characterized by aberrations in TP53 and a low rate of activating point mutations in common oncogenes, rendering it challenging in applying targeted therapies. We performed whole-exome sequencing (WES) and RNA sequencing (RNA-seq) to identify somatic genetic alterations in mouse models of TNBCs driven by loss of Trp53 alone or in combination with Brca1 Amplifications or translocations that resulted in elevated oncoprotein expression or oncoprotein-containing fusions, respectively, as well as frameshift mutations of tumor suppressors were identified in approximately 50% of the tumors evaluated. Although the spectrum of sporadic genetic alterations was diverse, the majority had in common the ability to activate the MAPK/PI3K pathways. Importantly, we demonstrated that approved or experimental drugs efficiently induce tumor regression specifically in tumors harboring somatic aberrations of the drug target. Our study suggests that the combination of WES and RNA-seq on human TNBC will lead to the identification of actionable therapeutic targets for precision medicine-guided TNBC treatment.Significance: Using combined WES and RNA-seq analyses, we identified sporadic oncogenic events in TNBC mouse models that share the capacity to activate the MAPK and/or PI3K pathways. Our data support a treatment tailored to the genetics of individual tumors that parallels the approaches being investigated in the ongoing NCI-MATCH, My Pathway Trial, and ESMART clinical trials. Cancer Discov; 8(3); 354-69. (c)2017 AACR.See related commentary by Natrajan et al., p. 272See related article by Matissek et al., p. 336This article is highlighted in the In This Issue feature, p. 253. PMID- 29203464 TI - Undernutrition and severe acute malnutrition in children. PMID- 29203465 TI - Oral anticoagulants for prevention of stroke in atrial fibrillation: systematic review, network meta-analysis, and cost effectiveness analysis. PMID- 29203466 TI - Visa problems mean NHS is losing UK trained GPs, doctors warn. PMID- 29203467 TI - Margaret McCartney: If this was cancer there'd be an outcry-but it's mental health. PMID- 29203468 TI - EDC IMPACT: Reduced sperm counts in rats exposed to human relevant mixtures of endocrine disrupters. AB - Human semen quality is declining in many parts of the world, but the causes are ill defined. In rodents, impaired sperm production can be seen with early life exposure to certain endocrine-disrupting chemicals, but the effects of combined exposures are not properly investigated. In this study, we examined the effects of early exposure to the painkiller paracetamol and mixtures of human relevant endocrine-disrupting chemicals in rats. One mixture contained four estrogenic compounds; another contained eight anti-androgenic environmental chemicals and a third mixture contained estrogens, anti-androgens and paracetamol. All exposures were administered by oral gavage to time-mated Wistar dams rats (n = 16-20) throughout gestation and lactation. In the postnatal period, testicular histology was affected by the total mixture, and at the end of weaning, male testis weights were significantly increased by paracetamol and the high doses of the total and the anti-androgenic mixture, compared to controls. In all dose groups, epididymal sperm counts were reduced several months after end of exposure, i.e. at 10 months of age. Interestingly, the same pattern of effects was seen for paracetamol as for mixtures with diverse modes of action. Reduced sperm count was seen at a dose level reflecting human therapeutic exposure to paracetamol. Environmental chemical mixtures affected sperm count at the lowest mixture dose indicating an insufficient margin of safety for the most exposed humans. This causes concern for exposure of pregnant women to paracetamol as well as environmental endocrine disrupters. PMID- 29203469 TI - Scottish GPs back new contract making them "expert medical generalists". PMID- 29203470 TI - Quality and Outcomes Framework could be a unique new national information resource. PMID- 29203471 TI - Primary care: how can you judge value without measuring outcomes? PMID- 29203472 TI - Cellular Concentrations of the Transporters DctA and DcuB and the Sensor DcuS of Escherichia coli and the Contributions of Free and Complexed DcuS to Transcriptional Regulation by DcuR. AB - In Escherichia coli, the catabolism of C4-dicarboxylates is regulated by the DcuS DcuR two-component system. The functional state of the sensor kinase DcuS is controlled by C4-dicarboxylates (like fumarate) and complexation with the C4 dicarboxylate transporters DctA and DcuB, respectively. Free DcuS (DcuSF) is known to be constantly active even in the absence of fumarate, whereas the DcuB DcuS and DctA-DcuS complexes require fumarate for activation. To elucidate the impact of the transporters on the functional state of DcuS and the concentrations of DcuSF and DcuB-DcuS (or DctA-DcuS), the absolute levels of DcuS, DcuB, and DctA were determined in aerobically or anaerobically grown cells by mass spectrometry. DcuS was present at a constant very low level (10 to 20 molecules DcuS/cell), whereas the levels of DcuB and DctA were higher (minimum, 200 molecules/cell) and further increased with fumarate (12.7- and 2.7-fold, respectively). Relating DcuS and DcuB contents with the functional state of DcuS allowed an estimation of the proportions of DcuS in the free (DcuSF) and the complexed (DcuB-DcuS) states. Unexpectedly, DcuSF levels were always low (<2% of total DcuS), ruling out earlier models that show DcuSF as the major species under noninducing conditions. In the absence of fumarate, when DcuSF is responsible for basal dcuB expression, up to 8% of the maximal DcuB levels are formed. These suffice for DcuB-DcuS complex formation and basal transport activity. In the presence of fumarate (>100 MUM), the DcuB-DcuS complex drives the majority of dcuB expression and is thus responsible for induction.IMPORTANCE Two-component systems (TCS) are major devices for sensing by bacteria and adaptation to environmental cues. Membrane-bound sensor kinases of TCS often use accessory proteins of unknown function. The DcuS-DcuR TCS responds to C4-dicarboxylates and requires formation of the complex of DcuS with C4-dicarboxylate transporters DctA or DcuB. Free DcuS (DcuSF) is constitutively active in autophosphorylation and was supposed to have a major role under specific conditions. Here, absolute concentrations of DcuS, DcuB, and DctA were determined under activating and nonactivating conditions by mass spectrometry. The relationship of their absolute contents to the functional state of DcuS revealed their contribution to the control of DcuS-DcuR in vivo, which was not accessible by other approaches, leading to a revision of previous models. PMID- 29203473 TI - Perioperative THR-184 and AKI after Cardiac Surgery. AB - AKI after cardiac surgery is associated with mortality, prolonged hospital length of stay, use of dialysis, and subsequent CKD. We evaluated the effects of THR 184, a bone morphogenetic protein-7 agonist, in patients at high risk for AKI after cardiac surgery. We conducted a randomized, double-blind, placebo controlled, multidose comparison of the safety and efficacy of perioperative THR 184 using a two-stage seamless adaptive design in 452 patients between 18 and 85 years of age who were scheduled for nonemergent cardiac surgery requiring cardiopulmonary bypass and had recognized risk factors for AKI. The primary efficacy end point was the proportion of patients who developed AKI according to Kidney Disease Improving Global Outcomes (KDIGO) criteria. The proportion of patients who developed AKI within 7 days of surgery was similar in THR-184 treatment groups and placebo groups (range, 74%-79%; P=0.43). Prespecified secondary end point analysis did not show significant differences in the severity of AKI stage (P=0.53) or the total duration of AKI (P=0.44). A composite of death, dialysis, or sustained impaired renal function by day 30 after surgery did not differ between groups (range, 11%-20%; P=0.46). Safety-related outcomes were similar across all treatment groups. In conclusion, compared with placebo, administration of perioperative THR-184 through a range of dose exposures failed to reduce the incidence, severity, or duration of AKI after cardiac surgery in high-risk patients. PMID- 29203474 TI - Skyline Performs as Well as Vendor Software in the Quantitative Analysis of Serum 25-Hydroxy Vitamin D and Vitamin D Binding Globulin. PMID- 29203475 TI - HDL Particle Measurement: Comparison of 5 Methods. AB - BACKGROUND: HDL cell cholesterol efflux capacity has been documented as superior to HDL cholesterol (HDL-C) in predicting cardiovascular disease risk. HDL functions relate to its composition. Compositional assays are easier to perform and standardize than functional tests and are more practical for routine testing. Our goal was to compare measurements of HDL particles by 5 different separation methods. METHODS: HDL subfractions were measured in 98 samples using vertical auto profiling (VAP), ion mobility (IM), nuclear magnetic resonance (NMR), native 2-dimensional gel electrophoresis (2D-PAGE), and pre-beta1-ELISA. VAP measured cholesterol in large HDL2 and small HDL3; IM measured particle number directly in large, intermediate, and small HDL particles; NMR measured lipid signals in large, medium, and small HDL; 2D-PAGE measured apolipoprotein (apo) A-I in large (alpha1), medium (alpha2), small (alpha3-4), and pre-beta1 HDL particles; and ELISA measured apoA-I in pre-beta1-HDL. The data were normalized and compared using Passing-Bablok, Lin concordance, and Bland-Altman plot analyses. RESULTS: With decreasing HDL-C concentration, NMR measured a gradually lower percentage of large HDL, compared with IM, VAP, and 2D-PAGE. In the lowest HDL-C tertile, NMR measured 8% of large HDL, compared with IM, 22%; VAP, 20%; and 2D-PAGE, 18%. There was strong discordance between 2D-PAGE and NMR in measuring medium HDL (R2 = 0.356; rc = 0.042) and small HDL (R2 = 0.376; rc = 0.040). The 2D-PAGE assay measured a significantly higher apoA-I concentration in pre-beta1-HDL than the pre-beta1-ELISA (9.8 vs 1.6 mg/dL; R2 = 0.246; rc = 0.130). CONCLUSIONS: NMR agreed poorly with the other methods in measuring large HDL, particularly in low HDL-C individuals. Similarly, there was strong discordance in pre-beta1-HDL measurements between the ELISA and 2D-PAGE assays. PMID- 29203477 TI - PnuT uses a facilitated diffusion mechanism for thiamine uptake. AB - Membrane transporters of the bacterial pyridine nucleotide uptake (Pnu) family mediate the uptake of various B-type vitamins. For example, the PnuT transporters have specificity for vitamin B1 (thiamine). It has been hypothesized that Pnu transporters are facilitators that allow passive transport of the vitamin substrate across the membrane. Metabolic trapping by phosphorylation would then lead to accumulation of the transported substrates in the cytoplasm. However, experimental evidence for such a transport mechanism is lacking. Here, to determine the mechanism of thiamine transport, we purify PnuTSw from Shewanella woodyi and reconstitute it in liposomes to determine substrate binding and transport properties. We show that the electrochemical gradient of thiamine solely determines the direction of transport, consistent with a facilitated diffusion mechanism. Further, PnuTSw can bind and transport thiamine as well as the thiamine analogues pyrithiamine and oxythiamine, but does not recognize the phosphorylated derivatives thiamine monophosphate and thiamine pyrophosphate as substrates, consistent with a metabolic trapping mechanism. Guided by the crystal structure of the homologous nicotinamide riboside transporter PnuC, we perform mutagenesis experiments, which reveal residues involved in substrate binding and gating. The facilitated diffusion mechanism of transport used by PnuTSw contrasts sharply with the active transport mechanisms used by other bacterial thiamine transporters. PMID- 29203476 TI - UCP1 deficiency increases adipose tissue monounsaturated fatty acid synthesis and trafficking to the liver. AB - Uncoupling protein-1 (UCP1) facilitates thermogenesis in brown and beige adipocytes and can promote energy expenditure by decreasing mitochondrial respiratory efficiency. Defects in UCP1 and brown adipose tissue thermogenesis subject animals to chronic cold stress and elicit compensatory responses to generate heat. How UCP1 regulates white adipose tissue (WAT) lipid biology and tissue crosstalk is not completely understood. Here, we probed the effect of UCP1 deficiency on FA metabolism in inguinal and epididymal WAT and investigated how these metabolic perturbations influence hepatic lipid homeostasis. We report that at standard housing temperature (21 degrees C), loss of UCP1 induces inguinal WAT de novo lipogenesis through transcriptional activation of the lipogenic gene program and elevated GLUT4. Inguinal adipocyte hyperplasia and depot expansion accompany the increase in lipid synthesis. We also found that UCP1 deficiency elevates adipose stearoyl-CoA desaturase gene expression, and increased inguinal WAT lipolysis supports the transport of adipose-derived palmitoleate (16:1n7) to the liver and hepatic triglyceride accumulation. The observed WAT and liver phenotypes were resolved by housing animals at thermoneutral housing (30 degrees C). These data illustrate depot-specific responses to impaired BAT thermogenesis and communication between WAT and liver in UCP1-/- mice. PMID- 29203478 TI - Limited Effect of Later-Generation Fluoroquinolones in the Treatment of Ofloxacin Resistant and Moxifloxacin-Susceptible Multidrug-Resistant Tuberculosis. AB - Recent data conflict on the clinical efficacy of later-generation fluoroquinolones, such as moxifloxacin or levofloxacin, for the treatment of multidrug-resistant tuberculosis (MDR-TB) that is resistant to ofloxacin but susceptible to moxifloxacin. The purpose of the present study was to evaluate whether later-generation fluoroquinolones can improve treatment outcomes in patients with ofloxacin-resistant, moxifloxacin-susceptible MDR-TB. A retrospective cohort study was performed on 208 patients with moxifloxacin susceptible MDR-TB who were treated between 2006 and 2011. Later-generation fluoroquinolones were used for all patients. Overall, 171 patients (82%) had ofloxacin-susceptible, moxifloxacin-susceptible MDR-TB (ofloxacin-susceptible group), and 37 (18%) had ofloxacin-resistant, moxifloxacin-susceptible MDR-TB (ofloxacin-resistant group). Compared to the ofloxacin-susceptible group, the ofloxacin-resistant group was more likely to have a history of MDR-TB treatment (P < 0.001) and cavitary lesions on chest radiography (P < 0.001). In addition, the ofloxacin-resistant group was more likely than the ofloxacin-susceptible group to have resistance to the drugs pyrazinamide (P = 0.003), streptomycin (P = 0.015), prothionamide (P < 0.001), and para-aminosalicylic acid (P < 0.001). Favorable outcomes were more frequently achieved for the ofloxacin-susceptible group than for the ofloxacin-resistant group (91% [156/171] versus 57% [21/37], respectively [P < 0.001]). In multivariable regression logistic analysis, the ofloxacin-susceptible group was about 5.36 (95% confidence interval, 1.55 to 18.53) times more likely than the ofloxacin-resistant group (P < 0.001) to have favorable outcomes. Despite in vitro moxifloxacin susceptibility, the frequency of favorable treatment outcomes for ofloxacin-resistant MDR-TB was significantly lower than that for ofloxacin-susceptible MDR-TB, even when later-generation fluoroquinolones were used, indicating that more-aggressive therapies may be needed for ofloxacin-resistant MDR-TB. PMID- 29203479 TI - Host-Pathogen-Treatment Triad: Host Factors Matter Most in Methicillin-Resistant Staphylococcus aureus Bacteremia Outcomes. AB - Previous studies have separately emphasized the importance of host, pathogen, and treatment characteristics in determining short-term or in-hospital mortality rates for patients with methicillin-resistant Staphylococcus aureus (MRSA) bloodstream infections. Less is known about the relative importance of these factors and their interactions in determining short-, medium-, and long-term mortality rates. This is an observational cohort study in which data for all patients admitted to the University of New Mexico (UNM) Health Sciences Center (HSC) between July 2002 and August 2013 with MRSA-positive blood cultures were recorded. We collected patients' demographics and treatment data, as well as data on genetic markers of the MRSA isolates. Outcomes of interest were determinants of short-term (within 30 days), medium-term (30 to 90 days), and long-term (>90 days) mortality rates. This study included 273 patients with MRSA bacteremia. Short-, medium-, and long-term mortality rates were 18.7%, 26.4%, and 48%, respectively. Thirty-day mortality rates were influenced by host variables and host-pathogen interaction characteristics. Pitt bacteremia scores, malignancy, and health care exposure contributed to 30- to 90-day mortality rates, while treatment duration of >4 weeks had a protective effect. Age remained a significant risk factor for death at >90 days, while admission leukocytosis was protective. Infection represented the most frequent cause of death for all three time frames; rates varied from 72.6% in the first 30 days and 60% for 30 to 90 days to 35.7% for >90 days (P = 0.003). Host characteristics affect short-, medium-, and long-term mortality rates for MRSA bloodstream infections more than do pathogen genetic markers and treatment factors. PMID- 29203480 TI - Pharmacodynamics of a Long-Acting Echinocandin, CD101, in a Neutropenic Invasive Candidiasis Murine Model Using an Extended-Interval Dosing Design. AB - Echinocandins are important in the prevention and treatment of invasive candidiasis but limited by current dosing regimens that include daily intravenous administration. The novel echinocandin CD101 has a prolonged half-life of approximately 130 h in humans, making it possible to design once-weekly dosing strategies. The present study examined the pharmacodynamic activity of CD101 using the neutropenic invasive candidiasis mouse model against select Candida albicans (n = 4), C. glabrata (n = 3), and C. parapsilosis (n = 3) strains. The CD101 MIC ranged from 0.03 to 1 mg/liter. Plasma pharmacokinetic measurements were performed using uninfected mice after intraperitoneal administration of 1, 4, 16, and 64 mg/kg. The elimination half-life was prolonged at 28 to 41 h. Neutropenic mice were infected with each strain by lateral tail vein injection, treated with a single dose of CD101, and monitored for 7 days, at which time the organism burden was enumerated from the kidneys. Dose-dependent activity was observed for each organism. The pharmacokinetic/pharmacodynamic (PK/PD) index of the area under the concentration-time curve over 24 h in the steady state divided by the MIC (AUC/MIC index) correlated well with efficacy (R2, 0.74 to 0.93). The median stasis 24-h free-drug AUC/MIC targets were as follows: for C. albicans, 2.92; for C. glabrata, 0.07; and for C. parapsilosis, 2.61. The PK/PD targets for 1-log10 kill endpoint were 2- to 4-fold higher. Interestingly, the aforementioned PK/PD targets of CD101 were numerically lower for all three species than those of other echinocandins. In summary, CD101 is a promising, novel echinocandin with advantageous pharmacokinetic properties and potent in vivo pharmacodynamic activity. PMID- 29203482 TI - Presence of an mcr-3 Variant in Aeromonas caviae, Proteus mirabilis, and Escherichia coli from One Domestic Duck. PMID- 29203481 TI - Concentrations of Cefuroxime in Brain Tissue of Neurointensive Care Patients. AB - Effective concentrations of antibiotics in brain tissue are essential for antimicrobial therapy of brain infections. However, data concerning cerebral penetration properties of antibiotics for treatment or prophylaxis of central nervous system infections are rare. Six patients suffering subarachnoid hemorrhage and requiring cerebral microdialysis for neurochemical monitoring were included in this study. Free interstitial concentrations of cefuroxime after intravenous application of 1,500 mg were measured by microdialysis in brain tissue, as well as in plasma at steady-state (n = 6) or after single-dose administration (n = 1). At steady state, free area under the concentration-time curve from 0 to 24 h (AUC0-24) values of 389.0 +/- 210.3 mg/liter.h and 131.4 +/- 72.8 mg/liter.h were achieved for plasma and brain, respectively, resulting in a brain tissue penetration ratio (AUC0-24 brain/AUC0-24 free plasma) of 0.33 +/- 0.1. Plasma and brain tissue concentrations at individual time points correlated well (R = 0.59, P = 0.001). At steady-state time over MIC (t>MIC) values of >40% of dosing interval were achieved up to an MIC of 16 mg/liter for plasma and 4 mg/liter for brain tissue. Although MIC90 values could not be achieved in brain tissue for relevant bacteria, current dosing strategies of cefuroxime might be sufficient to treat pathogens with MIC values up to 4 mg/liter. The activity of cefuroxime in brain tissue might be overestimated when relying exclusively on plasma levels. Although currently insufficient data after single dose administration exist, lower brain-plasma ratios observed after the first dose might warrant a loading dose for treatment and perioperative prophylaxis. PMID- 29203483 TI - Intermittent Antibiotic Therapy for Recurrent Nodular Bronchiectatic Mycobacterium avium Complex Lung Disease. AB - Intermittent, three-times-weekly oral antibiotic therapy is recommended for the initial treatment of noncavitary nodular bronchiectatic (NB) Mycobacterium avium complex (MAC) lung disease. However, intermittent therapy is not recommended for patients who have been previously treated. We evaluated 53 patients with recurrent noncavitary NB MAC lung disease who underwent antibiotic treatment for >=12 months with daily therapy (n = 26) or intermittent therapy (n = 27) between January 2008 and December 2015. Baseline characteristics were comparable between daily therapy and intermittent therapy groups. Sputum culture conversion rates did not differ between daily therapy (21/26, 81%) and intermittent therapy (22/27, 82%) groups. Compared to the etiologic organism at the time of previous treatment, recurrent MAC lung disease was caused by the same MAC species in 38 patients (72%) and by a different MAC species in 15 patients (28%). Genotype analysis in patients with sequenced paired isolates revealed that 86% (12/14) of cases with same species recurrence were due to reinfection with a new MAC genotype. In conclusion, most recurrent noncavitary NB MAC lung disease cases were caused by reinfection rather than relapse. Intermittent antibiotic therapy is a reasonable treatment strategy for recurrent noncavitary NB MAC lung disease. PMID- 29203484 TI - Novel Treatment of Staphylococcus aureus Device-Related Infections Using Fibrinolytic Agents. AB - Staphylococcal infections involving biofilms represent a significant challenge in the treatment of patients with device-related infections. Staphylococcus aureus biofilms have been shown to be SaeRS regulated and dependent on the coagulase catalyzed conversion of fibrinogen into fibrin on surfaces coated with human plasma. Here we investigated the treatment of staphylococcal biofilm device related infections by digesting the fibrin biofilm matrix with and without existing antimicrobials. The fibrinolytic agents plasmin, streptokinase, and nattokinase, and TrypLE, a recombinant trypsin-like protease, were used to digest and treat S. aureus biofilms grown in vitro using in vivo-like static biofilm assays with and without antimicrobials. Cytotoxicity, the potential to induce a cytokine response in whole human blood, and the risk of induction of tolerance to fibrinolytic agents were investigated. A rat model of intravascular catheter infection was established to investigate the efficacy of selected fibrinolytic agents in vivo Under biomimetic conditions, the fibrinolytic agents effectively dispersed established S. aureus biofilms and, in combination with common antistaphylococcal antimicrobials, effectively killed bacterial cells being released from the biofilm. These fibrinolytic agents were not cytotoxic and did not affect the host immune response. The rat model of infection successfully demonstrated the activity of the selected fibrinolytic agents alone and in combination with antimicrobials on established biofilms in vivo TrypLE and nattokinase most successfully removed adherent cells from plasma-coated surfaces and significantly improved the efficacy of existing antimicrobials against S. aureus biofilms in vitro and in vivo These biofilm dispersal agents represent a viable future treatment option for S. aureus device-related infections. PMID- 29203485 TI - In Vitro and In Vivo Studies of the Trypanocidal Effect of Novel Quinolines. AB - Therapies for human African trypanosomiasis and Chagas disease, caused by Trypanosoma brucei and Trypanosoma cruzi, respectively, are limited, providing minimal therapeutic options for the millions of individuals living in very poor communities. Here the effects of 10 novel quinolines are evaluated in silico and by phenotypic studies using in vitro and in vivo models. Absorption, distribution, metabolism, excretion, and toxicity (ADMET) properties revealed that most molecules did not infringe on Lipinski's rules, which is a prediction of good oral absorption. These quinolines showed high probabilities of Caco2 permeability and human intestinal absorption and low probabilities of mutagenicity and of hERG1 inhibition. In vitro screens against bloodstream forms of T. cruzi demonstrated that all quinolines were more active than the reference drug (benznidazole [Bz]), except for DB2171 and DB2192, with five (DB2187, DB2131, DB2186, DB2191, and DB2217) displaying 50% effective concentrations (EC50s) of <3 MUM (4-fold lower than that of Bz). Nine quinolines were more effective than Bz (2.7 MUM) against amastigotes, showing EC50s ranging from 0.6 to 0.1 MUM. All quinolines were also highly active in vitro against African trypanosomes, showing EC50s of <=0.25 MUM. The most potent and highly selective candidates for each parasite species were tested in in vivo models. Results for DB2186 were promising in mice with T. cruzi and T. brucei infections, reaching a 70% reduction of the parasitemia load for T. cruzi, and it cured 2 out of 4 mice infected with T. brucei DB2217 was also active in vivo and cured all 4 mice (100% cure rate) with T. brucei infection. PMID- 29203486 TI - In Vitro, In Silico, and In Vivo Analyses of Novel Aromatic Amidines against Trypanosoma cruzi. AB - Five bis-arylimidamides were assayed as anti-Trypanosoma cruzi agents by in vitro, in silico, and in vivo approaches. None were considered to be pan-assay interference compounds. They had a favorable pharmacokinetic landscape and were active against trypomastigotes and intracellular forms, and in combination with benznidazole, they gave no interaction. The most selective agent (28SMB032) tested in vivo led to a 40% reduction in parasitemia (0.1 mg/kg of body weight/5 days intraperitoneally) but without mortality protection. In silico target fishing suggested DNA as the main target, but ultrastructural data did not match. PMID- 29203487 TI - Role of smeU1VWU2X Operon in Alleviation of Oxidative Stresses and Occurrence of Sulfamethoxazole-Trimethoprim-Resistant Mutants in Stenotrophomonas maltophilia. AB - Overexpression of resistance-nodulation-division (RND)-type efflux pumps is an important mechanism for bacteria to combat antimicrobials. RND efflux pumps are also critical for bacterial physiology, such as oxidative stress tolerance. Stenotrophomonas maltophilia, a multidrug-resistant opportunistic pathogen, harbors eight RND-type efflux pump operons. Of these, the smeU1VWU2X operon is unique for its possession of two additional genes, smeU1 and smeU2, which encode proteins of the short-chain dehydrogenase/reductase (SDR) family. Overexpression of the SmeVWX pump is known to contribute to the acquired resistance to chloramphenicol, quinolone, and tetracycline; however, SmeU1 and SmeU2 are little involved in this phenotype. In the study described in this article, we further linked the smeU1VWU2X operon to oxidative stress alleviation and sulfamethoxazole trimethoprim (SXT)-resistant mutant occurrence. The smeU1VWU2X operon was inducibly expressed upon challenge with menadione (MD), plumbagin (PL), and hydrogen peroxide (H2O2), as verified by the use of the chromosomal smeU1VWU2X xylE transcriptional fusion construct and quantitative real-time PCR (qRT-PCR). The MD-mediated smeU1VWU2X upexpression was totally dependent on SoxR and partially relied on SmeRv but was less relevant to OxyR. SmeRv, but not SoxR and OxyR, played a regulatory role in the H2O2-mediated smeU1VWU2X upexpression. The significance of smeU1VWU2X upexpression was investigated with respect to oxidative stress alleviation and SXT-resistant mutant occurrence. Overexpression of the smeU1VWU2X operon contributed to the alleviation of MD-mediated oxidative stress. Of the encoded proteins, the SmeVWX pump and SmeU2, rather than SmeU1, participated in MD tolerance. Furthermore, we also demonstrated that the MD mediated expression of the smeU1VWU2X operon decreased the SXT resistance frequency when S. maltophilia was grown in a reactive oxygen species (ROS)-rich environment. PMID- 29203488 TI - Epidemiology of Carbapenem-Resistant Enterobacteriaceae Infections: Report from the China CRE Network. AB - Carbapenem-resistant Enterobacteriaceae (CRE) infection is highly endemic in China, but estimates of the infection burden are lacking. We established the incidence of CRE infection from a multicenter study that covered 25 tertiary hospitals in 14 provinces. CRE cases defined as carbapenem-nonsusceptible Citrobacter freundii, Escherichia coli, Enterobacter cloacae, or Klebsiella pneumoniae infections during January to December 2015 were collected and reviewed from medical records. Antimicrobial susceptibility testing and carbapenemase gene identification were performed. Among 664 CRE cases, most were caused by K. pneumoniae (73.9%), followed by E. coli (16.6%) and E. cloacae (7.1%). The overall CRE infection incidence per 10,000 discharges was 4.0 and differed significantly by region, with the highest in Jiangsu (14.97) and the lowest in Qinghai (0.34). Underlying comorbidities were found in 83.8% of patients; the median patient age was 62 years (range, 45 to 74 years), and 450 (67.8%) patients were male. Lower respiratory tract infections (65.4%) were the most common, followed by urinary tract infection (16.6%), intra-abdominal infection (7.7%), and bacteremia (7.7%). The overall hospital mortality rate was 33.5%. All isolates showed nonsusceptibility to carbapenems and cephalosporins. The susceptibility rate of polymyxin B was >90%. Tigecycline demonstrated a higher susceptibility rate against E. coli than against K. pneumoniae (90.9% versus 40.2%). Of 155 clinical isolates analyzed, 89% produced carbapenemases, with a majority of isolates producing KPC (50%) or NDM (33.5%)-type beta-lactamases among K. pneumoniae and E. coli The incidence of CRE infection in China was 4.0 per 10,000 discharges. The patient-based disease burden in tertiary hospitals in China is severe, suggesting an urgent need to enhance infection control. PMID- 29203489 TI - Distribution and Molecular Characterization of Acinetobacter baumannii International Clone II Lineage in Japan. AB - Multidrug-resistant (MDR) Acinetobacter spp. have been globally disseminated in association with the successful clonal lineage Acinetobacter baumannii international clone II (IC II). Because the prevalence of MDR Acinetobacter spp. in Japan remains very low, we characterized all Acinetobacter spp. (n = 866) from 76 hospitals between October 2012 and March 2013 to describe the entire molecular epidemiology of Acinetobacter spp. The most prevalent species was A. baumannii (n = 645; 74.5%), with A. baumannii IC II (n = 245) accounting for 28.3% of the total. Meropenem-resistant isolates accounted for 2.0% (n = 17) and carried ISAba1-blaOXA-23-like (n = 10), blaIMP (n = 4), or ISAba1-blaOXA-51-like (n = 3). Multilocus sequence typing of 110 representative A. baumannii isolates revealed the considerable prevalence of domestic sequence types (STs). A. baumannii IC II isolates were divided into the domestic sequence type 469 (ST469) (n = 18) and the globally disseminated STs ST208 (n = 14) and ST219 (n = 4). ST469 isolates were susceptible to more antimicrobial agents, while ST208 and ST219 overproduced the intrinsic AmpC beta-lactamase. A. baumannii IC II and some A. baumannii non IC II STs (e.g., ST149 and ST246) were associated with fluoroquinolone resistance. This study revealed that carbapenem-susceptible A. baumannii IC II was moderately disseminated in Japan. The low prevalence of acquired carbapenemase genes and presence of domestic STs could contribute to the low prevalence of MDR A. baumannii A similar epidemiology might have appeared before the global dissemination of MDR epidemic lineages. In addition, fluoroquinolone resistance associated with A. baumannii IC II may provide insight into the significance of A. baumannii epidemic clones. PMID- 29203490 TI - Mutations in Genes Encoding Penicillin-Binding Proteins and Efflux Pumps Play a Role in beta-Lactam Resistance in Helicobacter cinaedi. AB - beta-Lactams are often used to treat Helicobacter cinaedi infections; however, the mechanism underlying beta-lactam resistance is unknown. In this study, we investigated beta-lactam resistance in an H. cinaedi strain, MRY12-0051 (MICs of amoxicillin [AMX] and ceftriaxone [CRO], 32 and 128 MUg/ml; obtained from human feces). Based on a comparative whole-genome analysis of MRY12-0051 and the CRO susceptible H. cinaedi strain MRY08-1234 (MICs of AMX and CRO, 1 and 4 MUg/ml; obtained from human blood), we identified five mutations in genes encoding penicillin-binding proteins (PBPs), including two in pbpA, one in pbp2, and two in ftsI Transformation and penicillin binding assays indicated that CRO resistance was mainly associated with mutations in pbpA; mutations in ftsI also led to increased resistance to AMX. Knocking out cmeB and cmeD, which encode resistance-nodulation-division-type efflux pump components, in H. cinaedi type strain CCUG18818 (AMX MIC, 4 to 8 MUg/ml) resulted in 8- and 64-fold decreases, respectively, in the AMX MIC. Hence, MICs of AMX in H. cinaedi become similar to those of Helicobacter pylori isolates in the absence of cmeD In conclusion, the difference in susceptibility to beta-lactams between H. pylori and H. cinaedi is explained by differences in efflux pump components. Mutations in pbpA are the primary determinant of high resistance to beta-lactams in H. cinaedi. PMID- 29203491 TI - Chemogenomic Profiling of the Fungal Pathogen Candida albicans. AB - There is currently a small number of classes of antifungal drugs, and these drugs are known to target a very limited set of cellular functions. We derived a set of approximately 900 nonessential, transactivator-defective disruption strains from the tetracycline-regulated GRACE collection of strains of the fungal pathogen Candida albicans This strain set was screened against classic antifungal drugs to identify gene inactivations that conferred either enhanced sensitivity or increased resistance to the compounds. We examined two azoles, fluconazole and posaconazole; two echinocandins, caspofungin and anidulafungin; and a polyene, amphotericin B. Overall, the chemogenomic profiles within drug classes were highly similar, but there was little overlap between classes, suggesting that the different drug classes interacted with discrete networks of genes in C. albicans We also tested two pyridine amides, designated GPI-LY7 and GPI-C107; these drugs gave very similar profiles that were distinct from those of the echinocandins, azoles, or polyenes, supporting the idea that they target a distinct cellular function. Intriguingly, in cases where these gene sets can be compared to genetic disruptions conferring drug sensitivity in other fungi, we find very little correspondence in genes. Thus, even though the drug targets are the same in the different species, the specific genetic profiles that can lead to drug sensitivity are distinct. This implies that chemogenomic screens of one organism may be poorly predictive of the profiles found in other organisms and that drug sensitivity and resistance profiles can differ significantly among organisms even when the apparent target of the drug is the same. PMID- 29203492 TI - Extreme Drug Tolerance of Mycobacterium tuberculosis in Caseum. AB - Tuberculosis (TB) recently became the leading infectious cause of death in adults, while attempts to shorten therapy have largely failed. Dormancy, persistence, and drug tolerance are among the factors driving the long therapy duration. Assays to measure in situ drug susceptibility of Mycobacterium tuberculosis bacteria in pulmonary lesions are needed if we are to discover new fast-acting regimens and address the global TB threat. Here we take a first step toward this goal and describe an ex vivo assay developed to measure the cidal activity of anti-TB drugs against M. tuberculosis bacilli present in cavity caseum obtained from rabbits with active TB. We show that caseum M. tuberculosis bacilli are largely nonreplicating, maintain viability over the course of the assay, and exhibit extreme tolerance to many first- and second-line TB drugs. Among the drugs tested, only the rifamycins fully sterilized caseum. A similar trend of phenotypic drug resistance was observed in the hypoxia- and starvation induced nonreplicating models, but with notable qualitative and quantitative differences: (i) caseum M. tuberculosis exhibits higher drug tolerance than nonreplicating M. tuberculosis in the Wayne and Loebel models, and (ii) pyrazinamide is cidal in caseum but has no detectable activity in these classic nonreplicating assays. Thus, ex vivo caseum constitutes a unique tool to evaluate drug potency against slowly replicating or nonreplicating bacilli in their native caseous environment. Intracaseum cidal concentrations can now be related to the concentrations achieved in the necrotic foci of granulomas and cavities to establish correlations between clinical outcome and lesion-centered pharmacokinetics-pharmacodynamics (PK-PD) parameters. PMID- 29203493 TI - Prospective Trial on the Use of Trough Concentration versus Area under the Curve To Determine Therapeutic Vancomycin Dosing. AB - We hypothesized that dosing vancomycin to achieve trough concentrations of >15 mg/liter overdoses many adults compared to area under the concentration-time curve (AUC)-guided dosing. We conducted a 3-year, prospective study of vancomycin dosing, plasma concentrations, and outcomes. In year 1, nonstudy clinicians targeted trough concentrations of 10 to 20 mg/liter (infection dependent) and controlled dosing. In years 2 and 3, the study team controlled vancomycin dosing with BestDose Bayesian software to achieve a daily, steady-state AUC/MIC ratio of >=400, with a maximum AUC value of 800 mg . h/liter, regardless of trough concentration. For Bayesian estimation of AUCs, we used trough samples in years 1 and 2 and optimally timed samples in year 3. We enrolled 252 adults who were >=18 years old with >=1 available vancomycin concentration. Only 19% of all trough concentrations were therapeutic versus 70% of AUCs (P < 0.0001). After enrollment, median trough concentrations by year were 14.4, 9.7, and 10.9 mg/liter (P = 0.005), with 36%, 7%, and 6% over 15 mg/liter (P < 0.0001). Bayesian AUC-guided dosing in years 2 and 3 was associated with fewer additional blood samples per subject (3.6, 2.0, and 2.4; P = 0.003), shorter therapy durations (8.2, 5.4, and 4.7 days; P = 0.03), and reduced nephrotoxicity (8%, 0%, and 2%; P = 0.01). The median inpatient stay was 20 days among nephrotoxic patients versus 6 days (P = 0.002). There was no difference in efficacy by year, with 42% of patients having microbiologically proven infections. Compared to trough concentration targets, AUC-guided, Bayesian estimation-assisted vancomycin dosing was associated with decreased nephrotoxicity, reduced per-patient blood sampling, and shorter length of therapy, without compromising efficacy. These benefits have the potential for substantial cost savings. (This study has been registered at ClinicalTrials.gov under registration no. NCT01932034.). PMID- 29203494 TI - Evaluation of Activity and Emergence of Resistance of Polymyxin B and ZTI-01 (Fosfomycin for Injection) against KPC-Producing Klebsiella pneumoniae. AB - ZTI-01 (fosfomycin for injection) is a broad-spectrum antibiotic with a novel mechanism of action and is currently under development in the United States for treatment of complicated urinary tract infections. Globally, fosfomycin and polymyxin B are increasingly being used to treat multidrug-resistant Gram negative infections. The objectives were to evaluate the pharmacodynamic activity of polymyxin B and fosfomycin alone and in combination against KPC-producing Klebsiella pneumoniae and to assess the rate and extent of emergence of resistance to different antibiotic regimens. Two clinical isolates, BRKP26 (MIC of polymyxin B[MICPMB], 0.5 mg/liter; MIC of fosfomycin [MICFOF], 32 mg/liter) and BRKP67 (MICPMB, 8 mg/liter; MICFOF, 32 mg/liter) at an initial inoculum of 107 CFU/ml, were evaluated over 168 h in a hollow-fiber infection model simulating clinically relevant polymyxin B (2.5-mg/kg loading dose as a 2 h infusion followed by 1.5-mg/kg dose every 12 h [q12h] as a 1-h infusion) and fosfomycin (6 g q6h as a 1-h or 3-h infusion) regimens alone and in combination. Population analysis profiles (PAPs) and MIC testing were performed to assess emergence of resistance. Polymyxin B or fosfomycin monotherapy was ineffective and selected for resistance by 24 h. Polymyxin B plus a fosfomycin 1-h infusion demonstrated sustained bactericidal activity by 4 h, with undetectable colony counts beyond 144 h. Polymyxin B plus a fosfomycin 3-h infusion demonstrated bactericidal activity at 4 h, followed by regrowth similar to that of the control by 144 h. PAPs revealed resistant subpopulations by 120 h. The combination of polymyxin B and a fosfomycin 1-h infusion is a promising treatment option for KPC producing K. pneumoniae and suppresses the emergence of resistance. Further evaluation of novel dosing strategies is warranted to optimize therapy. PMID- 29203495 TI - PA5470 Counteracts Antimicrobial Effect of Azithromycin by Releasing Stalled Ribosome in Pseudomonas aeruginosa. AB - Pseudomonas aeruginosa causes various acute and chronic infections in humans. Treatment with azithromycin (AZM) has been shown to benefit patients with chronic P. aeruginosa infections. By binding to the exit tunnel of the 50S ribosome, AZM causes ribosome stalling and depletion of the intracellular tRNA pool. It has been shown that AZM is able to kill stationary-phase P. aeruginosa cells and repress quorum sensing-regulated virulence factors as well as swarming motility. In P. aeruginosa, the PA5470 gene encodes a putative peptide chain release factor whose expression is highly induced by macrolide antibiotics. However, its function remains unknown. Here, we found that overexpression of PA5470 increased bacterial tolerance against AZM and alleviated the repression of swarming motility. Ribosome pulldown assays revealed that PA5470 contributes to the release of ribosome stalled by AZM. We further demonstrate that overexpression of PA5470 counteracts AZM-mediated repression of the translation of the quorum sensing regulator RhlR. Overall, our results revealed a novel role of PA5470 in the bacterial response to AZM. PMID- 29203496 TI - Extended Linkers Improve the Detection of Protein-protein Interactions (PPIs) by Dihydrofolate Reductase Protein-fragment Complementation Assay (DHFR PCA) in Living Cells. AB - Understanding the function of cellular systems requires describing how proteins assemble with each other into transient and stable complexes and to determine their spatial relationships. Among the tools available to perform these analyses on a large scale is Protein-fragment Complementation Assay based on the dihydrofolate reductase (DHFR PCA). Here we test how longer linkers between the fusion proteins and the reporter fragments affect the performance of this assay. We investigate the architecture of the RNA polymerases, the proteasome and the conserved oligomeric Golgi (COG) complexes in living cells and performed large scale screens with these extended linkers. We show that longer linkers significantly improve the detection of protein-protein interactions and allow to measure interactions further in space than the standard ones. We identify new interactions, for instance between the retromer complex and proteins related to autophagy and endocytosis. Longer linkers thus contribute an enhanced additional tool to the existing toolsets for the detection and measurements of protein protein interactions and protein proximity in living cells. PMID- 29203497 TI - Outer Membrane Vesicles (OMV)-based and Proteomics-driven Antigen Selection Identifies Novel Factors Contributing to Bordetella pertussis Adhesion to Epithelial Cells. AB - Despite high vaccination coverage world-wide, whooping cough, a highly contagious disease caused by Bordetella pertussis, is recently increasing in occurrence suggesting that novel vaccine formulations targeted at the prevention of colonization and transmission should be investigated. To identify new candidates for inclusion in the acellular formulation, we used spontaneously released outer membrane vesicles (OMV)1 as a potential source of key adhesins. The enrichment of Bvg+ OMV with adhesins and the ability of anti-OMV serum to inhibit the adhesion of B. pertussis to lung epithelial cells in vitro were demonstrated. We employed a proteomic approach to identify the differentially expressed proteins in OMV purified from bacteria in the Bvg+ and Bvg- virulence phases, thus comparing the outer membrane protein pattern of this pathogen in its virulent or avirulent state. Six of the most abundant outer membrane proteins were selected as candidates to be evaluated for their adhesive properties and vaccine potential. We generated E. coli strains singularly expressing the selected proteins and assessed their ability to adhere to lung epithelial cells in vitro Four out of the selected proteins conferred adhesive ability to E. coli Three of the candidates were specifically detected by anti-OMV mouse serum suggesting that these proteins are immunogenic antigens able to elicit an antibody response when displayed on the OMV. Anti-OMV serum was able to inhibit only BrkA-expressing E. coli adhesion to lung epithelial cells. Finally, stand-alone immunization of mice with recombinant BrkA resulted in significant protection against infection of the lower respiratory tract after challenge with B. pertussis Taken together, these data support the inclusion of BrkA and possibly further adhesins to the current acellular pertussis vaccines to improve the impact of vaccination on the bacterial clearance. PMID- 29203499 TI - Comment on 'End of the road for Essure(r)?' PMID- 29203498 TI - Perioperative Myocardial Injury After Noncardiac Surgery: Incidence, Mortality, and Characterization. AB - BACKGROUND: Perioperative myocardial injury (PMI) seems to be a contributor to mortality after noncardiac surgery. Because the vast majority of PMIs are asymptomatic, PMI usually is missed in the absence of systematic screening. METHODS: We performed a prospective diagnostic study enrolling consecutive patients undergoing noncardiac surgery who had a planned postoperative stay of >=24 hours and were considered at increased cardiovascular risk. All patients received a systematic screening using serial measurements of high-sensitivity cardiac troponin T in clinical routine. PMI was defined as an absolute high sensitivity cardiac troponin T increase of >=14 ng/L from preoperative to postoperative measurements. Furthermore, mortality was compared among patients with PMI not fulfilling additional criteria (ischemic symptoms, new ECG changes, or imaging evidence of loss of viable myocardium) required for the diagnosis of spontaneous acute myocardial infarction versus those that did. RESULTS: From 2014 to 2015 we included 2018 consecutive patients undergoing 2546 surgeries. Patients had a median age of 74 years and 42% were women. PMI occurred after 397 of 2546 surgeries (16%; 95% confidence interval, 14%-17%) and was accompanied by typical chest pain in 24 of 397 patients (6%) and any ischemic symptoms in 72 of 397 (18%). Crude 30-day mortality was 8.9% (95% confidence interval [CI], 5.7-12.0) in patients with PMI versus 1.5% (95% CI, 0.9-2.0) in patients without PMI (P<0.001). Multivariable regression analysis showed an adjusted hazard ratio of 2.7 (95% CI, 1.5-4.8) for 30-day mortality. The difference was retained at 1 year with mortality rates of 22.5% (95% CI, 17.6-27.4) versus 9.3% (95% CI, 7.9-10.7). Thirty-day mortality was comparable among patients with PMI not fulfilling any other of the additional criteria required for spontaneous acute myocardial infarction (280/397, 71%) versus those with at least 1 additional criterion (10.4%; 95% CI, 6.7-15.7, versus 8.7%; 95% CI, 4.2-16.7; P=0.684). CONCLUSIONS: PMI is a common complication after noncardiac surgery and, despite early detection during routine clinical screening, is associated with substantial short and long-term mortality. Mortality seems comparable in patients with PMI not fulfilling any other of the additional criteria required for spontaneous acute myocardial infarction versus those patients who do. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02573532. PMID- 29203500 TI - Two women with extended use of contraceptive implants. PMID- 29203501 TI - Effect of a newly designed observation, response and discharge chart in the Post Anaesthesia Care Unit on patient outcomes: a quasi-expermental study in Australia. AB - OBJECTIVES: This study aimed to evaluate whether use of a discharge criteria tool for nursing assessment of patients in Post Anaesthesia Care Unit (PACU) would enhance nurses' recognition and response to patients at-risk of deterioration and improve patient outcomes. METHODS: A prospective non-randomised pre-post intervention study was conducted in three hospitals in Australia. Participants were adults undergoing elective surgery before (n=723) and after (n=694) implementation of the Post-Anaesthetic Care Tool (PACT). RESULTS: Nursing response to patients at-risk of deterioration was higher using PACT, with more medical consultations initiated by PACU nurses (19% vs 30%, P<0.001) and more patients with Medical Emergency Team activation criteria modified by an anaesthetist while in PACU (6.5% vs 13.8%, P<0.001). There were higher rates of analgesia administration (37.3% vs 54.2%, P=0.001), nursing assessment of pain and documentation of ongoing analgesia prior to discharge (55% vs 85%, P<0.001). More adverse events were recorded in PACU after introduction of the PACT (8.3% vs 16.7%, P<0.001). The rate of adverse events after discharge from PACU remained constant (16.5%), but the rate of cardiac events (5.1% vs 2.6%, P=0.021) and clinical deterioration (8.7% vs 4.3%, P=0.001) following PACU discharge significantly decreased, using the PACT. Despite the increased number of patients with adverse events in phase 2, healthcare costs did not increase significantly. Length of stay in PACU and length of hospital admission for those patients who had an adverse event in PACU were significantly reduced after implementation of the PACT. CONCLUSION: This study found that using a structured discharge criteria tool, the PACT, enhanced nurses' recognition and response to patients who experienced clinical deterioration, reduced length of stay for patients who experienced an adverse event in PACU and was cost-effective. PMID- 29203502 TI - Characteristics of NPS use in patients admitted to acute psychiatric services in Southeast Scotland: a retrospective cross-sectional analysis following public health interventions. AB - OBJECTIVES: Assess the impact of selective prohibition and seizure of novel psychoactive substances (NPS) supply on NPS use prevalence within psychiatric admissions and evaluate demographic characteristics of current NPS users. DESIGN: A 6-month retrospective cross-sectional analysis of discharge letters between 1 October 2015 and 31 March 2016. SETTING: General psychiatry inpatients and intensive home treatment team (IHTT) community patients at a psychiatric hospital in a Scottish city. PARTICIPANTS: All participants were between the ages of 18 and 65 years. After application of exclusion criteria, 473 discharge letters of general psychiatry patients were deemed suitable for analysis and 264 IHTT patient discharge letters were analysed. INTERVENTIONS: A nationwide temporary class drug order (TCDO) was placed on 10 April 2015 reclassifying methylphenidate related compounds as class B substances. On 15 October 2015, local forfeiture orders were granted to trading standards permitting the seizure of NPS supplies. PRIMARY AND SECONDARY OUTCOME MEASURES: The primary outcome measure was to determine the prevalence of NPS use in two cohorts. Second, demographic features of patients and details regarding their psychiatric presentation were analysed. RESULTS: The prevalence of NPS use in general psychiatry and IHTT patients was 6.6% and 3.4%, respectively. Inpatients using NPS compared with non-users were more likely to be men (OR 2.92, 95% CI 1.28 to 6.66, P=0.009), have a forensic history (OR 5.03, CI 2.39 to 10.59, P<0.001) and be detained under an Emergency Detention Certificate (OR 3.50, CI 1.56 to 7.82, P=0.004). NPS users were also more likely to be diagnosed under International Statistical Classification of Diseases and Related Health Problems, Version 10, F10-19 (OR 9.97, CI 4.62 to 21.49, P<0.001). CONCLUSIONS: Compared with previous work, psychiatric inpatient NPS use has fallen. NPS continue to be used by a demographic previously described resulting in presentations consistent with a drug-induced psychosis and at times requiring detention under the Mental Health Act. Further research is required to evaluate the effectiveness of the recent prohibition of all NPS. PMID- 29203503 TI - Multicentre prospective randomised single-blind controlled study protocol of the effect of an additional parent-administered sensorimotor stimulation on neurological development of preterm infants: Primebrain. AB - INTRODUCTION: Preterm and very low birthweight infants are at increased risk for neurodevelopmental disorders, including cerebral palsy, sensory impairment and intellectual disability. Several early intervention approaches have been designed in the hope of optimising neurological development in this context. It seems important that the intervention takes into account parental mental health, focuses on parent-child interactions and lasts sufficiently long. This study aims to evaluate the effects of a stimulation programme administered by parents until 6 months post-term on motor and neurophysiological development of infants born preterm. METHODS AND ANALYSIS: Participants will be infants born <32 weeks' gestation and/or with a birth weight <1500 g recruited prospectively from two tertiary neonatal intensive care units. They will be randomly assigned to receive nationally recommended follow-up only (control group) or also a stimulation programme between 37 weeks' gestation and 6 months' corrected age. Perinatal, clinical neurodevelopmental, socio-demographic and neuroimaging (ultrasonography or MRI) data will be collected. Bayley Scales of Infant Development will be used up to 24 months' corrected age and Parental Stress Index at 6, 12, 18 and 24 months' corrected age. High-density (64 or 128 electrodes) EEG, visual, somatosensory and long latency auditory evoked potentials will be recorded at term age, 3, 6, 12, 18 and 24 months' corrected age. They will be analysed for spatiotemporal frequency bands contents and source localisation. ETHICS AND DISSEMINATION: The study was approved by the Ethics Committees of the Hopital Universitaire des Enfants Reine Fabiola and CHU Saint-Pierre. Results dissemination will be made for stakeholders and families, reports will be written for parents, healthcare providers and policymakers, and scientific papers will be published. TRIAL REGISTRATION NUMBER: NCT02159534; Pre-results. PMID- 29203504 TI - Frequencies and ethnic distribution of ABO and RhD blood groups in China: a population-based cross-sectional study. AB - OBJECTIVES: ABO and RhD blood groups are key factors affecting blood transfusion safety. The distribution of ABO and RhD blood groups varies globally, but limited data exist for ethnic distributions of these blood groups in Asian populations. We aimed to evaluate the distribution of ABO and RhD blood groups among Chinese ethnic groups. DESIGN: A population-based cross-sectional study. SETTING: Data on ABO groups and ethnicities were obtained from the National Free Preconception Health Examination Project (NFPHEP) with participants from 220 counties of 31 provinces in China PARTICIPANTS: There were 3 832 034 participants aged 21-49 years who took part in the NFPHEP from January 2010 to December 2012 and were included in this study. OUTCOME MEASURES: The proportion of ABO and RhD blood groups among different ethnic groups was calculated. RESULTS: ABO and RhD blood distribution was significantly different among nine ethnic groups (P<0.001). Compared with other ethnic groups, the Yi group had more A phenotypes (34.0%), and the Manchu (33.7%) and Mongolian (33.3%) ethnic groups had more B phenotypes. The Zhuang group had the greatest proportion of O phenotypes (41.8%), followed by the Miao group (37.7%). AB phenotypes were more frequent in the Uygur ethnic group (10.6%) but lower in the Zhuang group (5.5%). Meanwhile, RhD negativity (RhD-) was greater in the Uygur group (3.3%) than in the Mongolian (0.3%) and Manchu ethnic groups (0.4%). O RhD- blood groups were more frequent in the Uygur group (0.8%) than in the other ethnic groups (0.1%-0.4%, P<0.001). CONCLUSION: ABO and RhD blood phenotypes vary across different ethnic groups in China. The diversity in the distribution of the ABO and RhD blood groups in different ethnic groups should be considered when developing rational and evidence-based strategies for blood collection and management. PMID- 29203505 TI - Obesity prevalence among healthcare professionals in England: a cross-sectional study using the Health Survey for England. AB - OBJECTIVE: To estimate obesity prevalence among healthcare professionals in England and compare prevalence with those working outside of the health services. DESIGN: Cross-sectional study based on data from 5 years (2008-2012) of the nationally representative Health Survey for England. SETTING: England. PARTICIPANTS: 20 103 adults aged 17-65 years indicating they were economically active at the time of survey classified into four occupational groups: nurses (n=422), other healthcare professionals (n=412), unregistered care workers (n=736) and individuals employed in non-health-related occupations (n=18 533). OUTCOME MEASURE: Prevalence of obesity defined as body mass index >=30.0 with 95% CIs and weighted to reflect the population. RESULTS: Obesity prevalence was high across all occupational groups including: among nurses (25.1%, 95% CI 20.9% to 29.4%); other healthcare professionals (14.4%, 95% CI 11.0% to 17.8%); non-health related occupations (23.5%, 95% CI 22.9% to 24.1%); and unregistered care workers who had the highest prevalence of obesity (31.9%, 95% CI 28.4% to 35.3%). A logistic regression model adjusted for sociodemographic composition and survey year indicated that, compared with nurses, the odds of being obese were significantly lower for other healthcare professionals (adjusted OR (aOR) 0.52, 95% CI 0.37 to 0.75) and higher for unregistered care workers (aOR 1.46, 95% CI 1.11 to 1.93). There was no significant difference in obesity prevalence between nurses and people working in non-health-related occupations (aOR 0.94, 95% CI 0.74 to 1.18). CONCLUSIONS: High obesity prevalence among nurses and unregistered care workers is concerning as it increases the risks of musculoskeletal conditions and mental health conditions that are the main causes of sickness absence in health services. Further research is required to better understand the reasons for high obesity prevalence among healthcare professionals in England to inform interventions to support individuals to achieve and maintain a healthy weight. PMID- 29203506 TI - Effectiveness of preoperative medical consultations by internal medicine physicians: a systematic review. AB - OBJECTIVE: Clinics have been established to provide preoperative medical consultations, and enable the anaesthetist and surgeon to deliver the best surgical outcome for patients. However, there is uncertainty regarding the effect of such clinics on surgical, in-hospital and long-term outcomes. A systematic review of the literature was conducted to determine the effectiveness of preoperative medical consultations by internal medicine physicians for patients listed for elective surgery. DESIGN: Systematic searches of MEDLINE, EMBASE, CINAHL, PubMed, Current Contents and the NHS Centre for Reviews and Dissemination were conducted up to 30 April 2017. SETTING: Elective surgery. STUDY SELECTION: Randomised controlled trials and non-randomised comparative studies conducted in adults. OUTCOME MEASURES: Length of hospital stay, perioperative morbidity and mortality, costs and quality of life. RESULTS: The one randomised trial reported that preadmission preoperative assessment was more effective than the option of an inpatient medical assessment in reducing the frequency of unnecessary admissions with significantly fewer surgical cancellations following admission for surgery. A small reduction in length of stay in patients was also observed. The three non-randomised studies reported increased lengths of stay, costs and postoperative complications in patients who received preoperative assessment. The timing and delivery of the preoperative medical consultation in the intervention group differed across the included studies. CONCLUSION: Further research is required to inform the design and implementation of coordinated involvement of physicians and surgeons in the provision of care for high-risk surgical patients. A standardised approach to perioperative decision-making processes should be developed with a clear protocol or guideline for the assessment and management of surgical patients. PMID- 29203507 TI - The short-term health and economic burden of gestational diabetes mellitus in China: a modelling study. AB - OBJECTIVES: Gestational diabetes mellitus (GDM) is associated with a higher risk for adverse health outcomes during pregnancy and delivery for both mothers and babies. This study aims to assess the short-term health and economic burden of GDM in China in 2015. DESIGN: Using TreeAge Pro, an analytical decision model was built to estimate the incremental costs and quality-of-life loss due to GDM, in comparison with pregnancy without GDM from the 28th gestational week until and including childbirth. The model was populated with probabilities and costs based on current literature, clinical guidelines, price lists and expert interviews. Deterministic and probabilistic sensitivity analyses were performed to test the robustness of the results. PARTICIPANTS: Chinese population who gave birth in 2015. RESULTS: On average, the cost of a pregnancy with GDM was Y6677.37 (in 2015 international $1929.87) more (+95%) than a pregnancy without GDM, due to additional expenses during both the pregnancy and delivery: Y4421.49 for GDM diagnosis and treatment, Y1340.94 (+26%) for the mother's complications and Y914.94 (+52%) for neonatal complications. In China, 16.5 million babies were born in 2015. Given a GDM prevalence of 17.5%, the number of pregnancies affected by GDM was estimated at 2.90 million in 2015. Therefore, the annual societal economic burden of GDM was estimated to be Y19.36 billion (international $5.59 billion). Sensitivity analyses were used to confirm the robustness of the results. Incremental health losses were estimated to be approximately 260 000 quality-adjusted life years. CONCLUSION: In China, the GDM economic burden is significant, even in the short-term perspective and deserves more attention and awareness. Our findings indicate a clear need to implement GDM prevention and treatment strategies at a national level in order to reduce the economic and health burden at both the population and individual levels. PMID- 29203508 TI - Early warning scores for detecting deterioration in adult hospital patients: a systematic review protocol. AB - INTRODUCTION: Early warning scores (EWSs) are used extensively to identify patients at risk of deterioration in hospital. Previous systematic reviews suggest that studies which develop EWSs suffer methodological shortcomings and consequently may fail to perform well. The reviews have also identified that few validation studies exist to test whether the scores work in other settings. We will aim to systematically review papers describing the development or validation of EWSs, focusing on methodology, generalisability and reporting. METHODS: We will identify studies that describe the development or validation of EWSs for adult hospital inpatients. Each study will be assessed for risk of bias using the Prediction model Risk of Bias ASsessment Tool (PROBAST). Two reviewers will independently extract information. A narrative synthesis and descriptive statistics will be used to answer the main aims of the study which are to assess and critically appraise the methodological quality of the EWS, to describe the predictors included in the EWSs and to describe the reported performance of EWSs in external validation. ETHICS AND DISSEMINATION: This systematic review will only investigate published studies and therefore will not directly involve patient data. The review will help to establish whether EWSs are fit for purpose and make recommendations to improve the quality of future research in this area. PROSPERO REGISTRATION NUMBER: CRD42017053324. PMID- 29203509 TI - Protocol for a feasibility study and randomised pilot trial of a low-intensity psychological intervention for depression in adults with autism: the Autism Depression Trial (ADEPT). AB - INTRODUCTION: High rates of co-occurring depression are reported in autism spectrum disorder (ASD), a neurodevelopmental condition characterised by social communication impairments and repetitive behaviours. Cognitive-behavioural interventions adapted for ASD have been effective for anxiety problems. There have been evaluation studies of group cognitive-behavioural therapy for co occurring depression, but no randomised trials investigating low-intensity psychological interventions as recommended in clinical guidelines for mild moderate depression. METHODS AND ANALYSIS: A feasibility study comprising a randomised controlled trial (RCT) and nested qualitative evaluation is under way as preparation for a definitive RCT. Participants (n=70) will be randomised to Guided Self-Help: a low-intensity psychological intervention based on behavioural activation adapted for ASD or treatment as usual. Outcomes including depression symptoms, anxiety, social function and service use will be measured at 10, 16 and 24 weeks postrandomisation and will be blind to group allocation for measures that are not self-administered. The analysis will aim to establish the rates of recruitment and retention for a larger-scale RCT as well as the most appropriate measure of depression to serve as primary outcome. The qualitative study will purposively sample up to 24 participants from each treatment group to consider the acceptability and feasibility of the intervention and the trial design. ETHICS AND DISSEMINATION: Ethical approval has been received from WALES REC 3 (IRAS project ID: 191558) and the Health Research Authority with R&D approval from Avon and Wiltshire Mental Health Partnership and Northumberland, Tyne and Wear Foundation NHS Trusts. To our knowledge, this is the first study of a low intensity intervention for depression in adults with autism. The results will inform the design of a definitive RCT. Dissemination will include peer-reviewed journal publications reporting the quantitative and qualitative research findings of the study and presentations at national and international conferences. TRIAL REGISTRATION NUMBER: ISRCTN54650760; Pre-results. PMID- 29203510 TI - Mechanisms to Elevate Endogenous GLP-1 Beyond Injectable GLP-1 Analogs and Metabolic Surgery. AB - Therapeutic engineering of glucagon-like peptide 1 (GLP-1) has enabled development of new medicines to treat type 2 diabetes. These injectable analogs achieve robust glycemic control by increasing concentrations of "GLP-1 equivalents" (~50 pmol/L). Similar levels of endogenous GLP-1 occur after gastric bypass surgery, and mechanistic studies indicate glucose lowering by these procedures is driven by GLP-1. Therefore, because of the remarkable signaling and secretory capacity of the GLP-1 system, we sought to discover mechanisms that increase GLP-1 pharmacologically. To study active GLP-1, glucose-dependent insulinotropic polypeptide receptor (Gipr)-deficient mice receiving background dipeptidyl peptidase 4 (DPP4) inhibitor treatment were characterized as a model for evaluating oral agents that increase circulating GLP-1. A somatostatin receptor 5 antagonist, which blunts inhibition of GLP-1 release, and agonists for TGR5 and GPR40, which stimulate GLP-1 secretion, were investigated alone and in combination with the DPP4 inhibitor sitagliptin; these only modestly increased GLP-1 (~5-30 pmol/L). However, combining molecules to simultaneously intervene at multiple regulatory nodes synergistically elevated active GLP-1 to unprecedented concentrations (~300-400 pmol/L), drastically reducing glucose in Gipr null and Leprdb/db mice in a GLP-1 receptor-dependent manner. Our studies demonstrate that complementary pathways can be engaged to robustly increase GLP-1 without invasive surgical or injection regimens. PMID- 29203511 TI - Adipocyte JAK2 Regulates Hepatic Insulin Sensitivity Independently of Body Composition, Liver Lipid Content, and Hepatic Insulin Signaling. AB - Disruption of hepatocyte growth hormone (GH) signaling through disruption of Jak2 (JAK2L) leads to fatty liver. Previously, we demonstrated that development of fatty liver depends on adipocyte GH signaling. We sought to determine the individual roles of hepatocyte and adipocyte Jak2 on whole-body and tissue insulin sensitivity and liver metabolism. On chow, JAK2L mice had hepatic steatosis and severe whole-body and hepatic insulin resistance. However, concomitant deletion of Jak2 in hepatocytes and adipocytes (JAK2LA) completely normalized insulin sensitivity while reducing liver lipid content. On high-fat diet, JAK2L mice had hepatic steatosis and insulin resistance despite protection from diet-induced obesity. JAK2LA mice had higher liver lipid content and no protection from obesity but retained exquisite hepatic insulin sensitivity. AKT activity was selectively attenuated in JAK2L adipose tissue, whereas hepatic insulin signaling remained intact despite profound hepatic insulin resistance. Therefore, JAK2 in adipose tissue is epistatic to liver with regard to insulin sensitivity and responsiveness, despite fatty liver and obesity. However, hepatocyte autonomous JAK2 signaling regulates liver lipid deposition under conditions of excess dietary fat. This work demonstrates how various tissues integrate JAK2 signals to regulate insulin/glucose and lipid metabolism. PMID- 29203513 TI - IL-3 Differentially Regulates Membrane and Soluble RANKL in Osteoblasts through Metalloproteases and the JAK2/STAT5 Pathway and Improves the RANKL/OPG Ratio in Adult Mice. AB - Bone remodeling comprises balanced activities between osteoclasts and osteoblasts, which is regulated by various factors, including hormones and cytokines. We previously reported that IL-3 inhibits osteoclast differentiation and pathological bone loss. IL-3 also enhances osteoblast differentiation and bone formation from mesenchymal stem cells. However, the role of IL-3 in regulation of osteoblast-osteoclast interactions and underlying mechanisms is not yet delineated. In this study, we investigated the role of IL-3 on the regulation of osteoblast-specific molecules, receptor activator of NF-kappaB ligand (RANKL), and osteoprotegerin (OPG) that modulate bone homeostasis. We found that IL-3 increases RANKL expression at both the transcriptional and translational levels, and it showed no effect on OPG expression in calvarial osteoblasts. The increased RANKL expression by IL-3 induces mononuclear osteoclasts; however, it does not induce multinuclear osteoclasts. Interestingly, IL-3 decreases soluble RANKL by reducing ectodomain shedding of membrane RANKL through downregulation of metalloproteases mainly a disintegrin and metalloproteinase (ADAM)10, ADAM17, ADAM19, and MMP3. Moreover, IL-3 increases membrane RANKL by activating the JAK2/STAT5 pathway. Furthermore, IL-3 enhances RANKL expression in mesenchymal stem cells of wild-type mice but not in STAT5a knockout mice. Interestingly, IL-3 restores RANKL expression in adult mice by enhancing bone-specific RANKL and decreasing serum RANKL. Furthermore, IL-3 increases the serum OPG level in adult mice. Thus, our results reveal, to our knowledge for the first time, that IL-3 differentially regulates two functional forms of RANKL through metalloproteases and the JAK2/STAT5 pathway, and it helps in restoring the decreased RANKL/OPG ratio in adult mice. Notably, our studies indicate the novel role of IL-3 in regulating bone homeostasis in important skeletal disorders. PMID- 29203512 TI - Glucocorticoids Reprogram beta-Cell Signaling to Preserve Insulin Secretion. AB - Excessive glucocorticoid exposure has been shown to be deleterious for pancreatic beta-cell function and insulin release. However, glucocorticoids at physiological levels are essential for many homeostatic processes, including glycemic control. We show that corticosterone and cortisol and their less active precursors 11 dehydrocorticosterone (11-DHC) and cortisone suppress voltage-dependent Ca2+ channel function and Ca2+ fluxes in rodent as well as in human beta-cells. However, insulin secretion, maximal ATP/ADP responses to glucose, and beta-cell identity were all unaffected. Further examination revealed the upregulation of parallel amplifying cAMP signals and an increase in the number of membrane-docked insulin secretory granules. Effects of 11-DHC could be prevented by lipotoxicity and were associated with paracrine regulation of glucocorticoid activity because global deletion of 11beta-hydroxysteroid dehydrogenase type 1 normalized Ca2+ and cAMP responses. Thus, we have identified an enzymatically amplified feedback loop whereby glucocorticoids boost cAMP to maintain insulin secretion in the face of perturbed ionic signals. Failure of this protective mechanism may contribute to diabetes in states of glucocorticoid excess, such as Cushing syndrome, which are associated with frank dyslipidemia. PMID- 29203514 TI - Time-Restricted Feeding Alters the Innate Immune Response to Bacterial Endotoxin. AB - An important entraining signal for the endogenous circadian clock, independent of light, is food intake. The circadian and immune systems are linked; forced desynchrony of the circadian clock via nighttime light exposure or genetic ablation of core clock components impairs immune function. The timing of food intake affects various aspects of the circadian clock, but its effects on immune function are unknown. We tested the hypothesis that temporal desynchrony of food intake alters innate immune responses. Adult male Swiss Webster mice were provided with food during the night, the day, or ad libitum for 4 wk, followed by administration of LPS prior to the onset of either the active phase (zeitgeber time [ZT]12: Experiment 1) or the inactive phase (ZT0: Experiment 2). Three hours after LPS administration, blood was collected, and serum was tested for bacteria killing capacity against Escherichia coli, as a functional assay of immune function. Additionally, cytokine expression was examined in the serum (protein), spleen, and hypothalamus (mRNA). Day-fed mice suppressed bacteria-killing capacity and serum cytokine responses to LPS during the active phase (ZT12). Night-fed mice increased bactericidal capacity, as well as serum and hypothalamic mRNA responses of certain proinflammatory cytokines during the active phase. Only day-fed mice enhanced serum cytokine responses when LPS challenge occurred during the inactive phase (ZT0); this did not result in enhanced bactericidal capacity. These data suggest that mistimed feeding has functional relevance for immune function and provide further evidence for the integration of the circadian, metabolic, and immune systems. PMID- 29203518 TI - DNA methylation in epigenetic inheritance of metabolic diseases through the male germ line. AB - The global rise in metabolic diseases can be attributed to a complex interplay between biology, behavior and environmental factors. This article reviews the current literature concerning DNA methylation-based epigenetic inheritance (intergenerational and transgenerational) of metabolic diseases through the male germ line. Included are a presentation of the basic principles for DNA methylation in developmental programming, and a description of windows of susceptibility for the inheritance of environmentally induced aberrations in DNA methylation and their associated metabolic disease phenotypes. To this end, escapees, genomic regions with the intrinsic potential to transmit acquired paternal epigenetic information across generations by escaping the extensive programmed DNA demethylation that occurs during gametogenesis and in the zygote, are described. The ongoing descriptive and functional examinations of DNA methylation in the relevant biological samples, in conjugation with analyses of non-coding RNA and histone modifications, hold promise for improved delineation of the effect size and mechanistic background for epigenetic inheritance of metabolic diseases. PMID- 29203515 TI - Brucella abortus Triggers a cGAS-Independent STING Pathway To Induce Host Protection That Involves Guanylate-Binding Proteins and Inflammasome Activation. AB - Immunity against microbes depends on recognition of pathogen-associated molecular patterns by innate receptors. Signaling pathways triggered by Brucella abortus DNA involves TLR9, AIM2, and stimulator of IFN genes (STING). In this study, we observed by microarray analysis that several type I IFN-associated genes, such as IFN-beta and guanylate-binding proteins (GBPs), are downregulated in STING knockout (KO) macrophages infected with Brucella or transfected with DNA. Additionally, we determined that STING and cyclic GMP-AMP synthase (cGAS) are important to engage the type I IFN pathway, but only STING is required to induce IL-1beta secretion, caspase-1 activation, and GBP2 and GBP3 expression. Furthermore, we determined that STING but not cGAS is critical for host protection against Brucella infection in macrophages and in vivo. This study provides evidence of a cGAS-independent mechanism of STING-mediated protection against an intracellular bacterial infection. Additionally, infected IFN regulatory factor-1 and IFNAR KO macrophages had reduced GBP2 and GBP3 expression and these cells were more permissive to Brucella replication compared with wild type control macrophages. Because GBPs are critical to target vacuolar bacteria, we determined whether GBP2 and GBPchr3 affect Brucella control in vivo. GBPchr3 but not GBP2 KO mice were more susceptible to bacterial infection, and small interfering RNA treated-macrophages showed reduction in IL-1beta secretion and caspase-1 activation. Finally, we also demonstrated that Brucella DNA colocalizes with AIM2, and AIM2 KO mice are less resistant to B. abortus infection. In conclusion, these findings suggest that the STING-dependent type I IFN pathway is critical for the GBP-mediated release of Brucella DNA into the cytosol and subsequent activation of AIM2. PMID- 29203517 TI - Uroguanylin: a new actor in the energy balance movie. AB - Uroguanylin (UGN) is a potential target in the fight against obesity. The mature protein is released after enzymatic cleavage from its natural precursor, proUGN. UGN is mostly produced in the gut, and its production is regulated by nutritional status. However, UGN is also produced in other tissues such as the kidneys. In the past, UGN has been widely studied as a natriuretic peptide owing to its involvement in several different pathologies such as heart failure, cancer and gastrointestinal diseases. However, recent studies have suggested that UGN also acts as a regulator of body weight homeostasis because it modulates both food intake and energy expenditure. This ultimately results in a decrease in body weight. This action is mediated by the sympathetic nervous system. Future studies should be directed at the potential effects of UGN agonists in regulating body weight in human obesity. PMID- 29203516 TI - Alternative Splicing Transcripts of Zebrafish LGP2 Gene Differentially Contribute to IFN Antiviral Response. AB - In mammals, RIG-I like receptors (RLRs) RIG-I and melanoma differentiation associated gene 5 (MDA5) sense cytosolic viral RNA, leading to IFN antiviral response; however, LGP2 exhibits controversial functions. The same happens to fish LGP2. In this study we report that three zebrafish LGP2 splicing transcripts, a full-length LGP2, and two truncating variants, LGP2v1 and LGP2v2, play distinct roles during IFN antiviral response. Overexpression of the full length LGP2 not only potentiates IFN response through the RLR pathway, in the absence or presence of poly(I:C) at limited concentrations, but also inhibits IFN response by relative high concentrations of poly(I:C) through functional attenuation of signaling factors involved in the RLR pathway; however, LGP2v1 and LGP2v2 only retain the inhibitory role. Consistently, LGP2 but not LGP2v1 and LGP2v2 confers protection on fish cells against spring viremia of carp virus (SVCV) infection and at limited expression levels, LGP2 exerts more significant protection than either RIG-I or MDA5. Further data suggest that in the early phase of SVCV infection, LGP2 functions as a positive regulator but along with SVCV replicating in cells up to a certain titer, which leads to a far more robust expression of IFN, LGP2 switches to a negative role. These in vitro results suggest an ingenious mechanism where the three zebrafish LGP2 splicing transcripts work cooperatively to shape IFN antiviral responses. PMID- 29203519 TI - S1P1 Modulator-Induced G alphai Signaling and beta-Arrestin Recruitment Are Both Necessary to Induce Rapid and Efficient Reduction of Blood Lymphocyte Count In Vivo. AB - S1P1 (sphingosine-1-phosphate receptor 1) agonists prevent lymphocyte egress from secondary lymphoid organs and cause a reduction in the number of circulating blood lymphocytes. We hypothesized that S1P1 receptor modulators with pathway selective signaling properties could help to further elucidate the molecular mechanisms involved in lymphocyte trapping. A proprietary S1P1 receptor modulator library was screened for compounds with clear potency differences in beta arrestin recruitment and G protein alpha i subunit (G alphai) protein-mediated signaling. We describe here the structure-activity relationships of highly potent S1P1 modulators with apparent pathway selectivity for beta-arrestin recruitment. The most differentiated compound, D3-2, displayed a 180-fold higher potency in the beta-arrestin recruitment assay (EC50 0.9 nM) compared with the G alphai activation assay (167 nM), whereas ponesimod, a S1P1 modulator that is currently in advanced clinical development in multiple sclerosis, was equipotent in both assays (EC50 1.5 and 1.1 nM, respectively). Using these novel compounds as pharmacological tools, we showed that although a high potency in beta-arrestin recruitment is required to fully internalize S1P1 receptors, the potency in inducing G alphai signaling determines the rate of receptor internalization in vitro. In contrast to ponesimod, the compound D3-2 did not reduce the number or circulating lymphocytes in rats despite high plasma exposures. Thus, for rapid and maximal S1P1 receptor internalization a high potency in both G alphai signaling and beta-arrestin recruitment is mandatory and this translates into efficient reduction of the number of circulating lymphocytes in vivo. PMID- 29203520 TI - Opioids and Operations. PMID- 29203521 TI - Persistent Opioid Use Among Pediatric Patients After Surgery. AB - BACKGROUND: Despite efforts to reduce nonmedical opioid misuse, little is known about the development of persistent opioid use after surgery among adolescents and young adults. We hypothesized that there is an increased incidence of prolonged opioid refills among adolescents and young adults who received prescription opioids after surgery compared with nonsurgical patients. METHODS: We performed a retrospective cohort study by using commercial claims from the Truven Health Marketscan research databases from January 1, 2010, to December 31, 2014. We included opioid-naive patients ages 13 to 21 years who underwent 1 of 13 operations. A random sample of 3% of nonsurgical patients who matched eligibility criteria was included as a comparison. Our primary outcome was persistent opioid use, which was defined as >=1 opioid prescription refill between 90 and 180 days after the surgical procedure. RESULTS: Among eligible patients, 60.5% filled a postoperative opioid prescription (88 637 patients). Persistent opioid use was found in 4.8% of patients (2.7%-15.2% across procedures) compared with 0.1% of those in the nonsurgical group. Cholecystectomy (adjusted odds ratio 1.13; 95% confidence interval, 1.00-1.26) and colectomy (adjusted odds ratio 2.33; 95% confidence interval, 1.01-5.34) were associated with the highest risk of persistent opioid use. Independent risk factors included older age, female sex, previous substance use disorder, chronic pain, and preoperative opioid fill. CONCLUSIONS: Persistent opioid use after surgery is a concern among adolescents and young adults and may represent an important pathway to prescription opioid misuse. Identifying safe, evidence-based practices for pain management is a top priority, particularly among at-risk patients. PMID- 29203522 TI - E-Cigarettes: A 1-Way Street to Traditional Smoking and Nicotine Addiction for Youth. PMID- 29203523 TI - Trajectories of E-Cigarette and Conventional Cigarette Use Among Youth. AB - BACKGROUND: Electronic cigarette (e-cigarette) use is common among youth, and there are concerns that e-cigarette use leads to future conventional cigarette use. We examined longitudinal associations between past-month cigarette and e cigarette use to characterize the stability and directionality of these tobacco use trajectories over time. METHODS: High school students (N = 808, 53% female) completed surveys across 3 waves (2013, 2014, and 2015) in 3 public schools in Connecticut. Using autoregressive cross-lagged models, we examined bidirectional relationships between past-month cigarette and e-cigarette use over time. Models were adjusted for covariates related to tobacco use (ie, sex, race/ethnicity, socioeconomic status, and use of other tobacco products). RESULTS: Past-month e cigarette use predicted future cigarette use (wave 1-2: odds ratio [OR] = 7.08, 95% confidence interval [CI] = 2.34-21.42; wave 2-3: OR = 3.87, 95% CI = 1.86 8.06). However, past-month cigarette use did not predict future e-cigarette use (wave 1-2: OR = 2.02, 95% CI = 0.67-6.08; wave 2-3: OR = 1.90, 95% CI = 0.77 4.71). Additionally, frequency of cigarette and e-cigarette use increased over time. By wave 3, 26% of cigarette users and 20.5% of e-cigarette users reported using 21-30 days out of the past month. CONCLUSIONS: E-cigarette use was associated with future cigarette use across 3 longitudinal waves, yet cigarette use was not associated with future e-cigarette use. Future research needs to examine mechanisms through which e-cigarette use leads to cigarette use. E cigarette regulation and prevention programs may help prevent future use of cigarettes among youth. PMID- 29203524 TI - Trends in adolescent mental health during economic upturns and downturns: a multilevel analysis of Swedish data 1988-2008. AB - BACKGROUND: A long-term trend of increasing mental health problems among adolescents in many Western countries indicates a great need to investigate if and how societal changes have contributed to the reported increase. Using seven waves of repeated cross-sectional data collected between 1988 and 2008 in Sweden, the current study examined if economic factors at the societal level (municipality unemployment rate) and at the individual level (worry about family finances), and their interaction could explain a secular trend in mental health problems. METHODS: Participants were 17 533 students of age 15-16 years (49.3% girls), from 14 municipalities in a county of Sweden. Data on adolescents' mental health (psychosomatic problems) and worry about family finances were obtained using a self-report questionnaire. A series of multilevel regression analyses were conducted in order to explain the trends in adolescents' mental health. RESULTS: The results indicated that the individual-level predictor (worry about family finances) significantly explained the increasing rates of adolescents' psychosomatic problems. This was particularly the case during the mid-1990s, which was characterised by a severe recession in Sweden with high unemployment rates. For example, after accounting for adolescents' worry, a significant increase in psychosomatic symptoms between 1988 and 1998 among girls (b=0.112, P<0.05) disappeared (b=0.018, P>0.05) and a non-significant decrease between 1988 and 1995 among boys (b=-0.017, P>0.05) became significant (b=-0.142, P<0.05). Neither municipality unemployment rate nor its interaction with adolescents' worry explained psychosomatic problems. CONCLUSIONS: The findings demonstrate the effects of adolescents' worry about family finances on a secular trend in mental health problems during an economically bleak period of time. The study highlights the need for repeated measurements including a large number of time points over a long time period in order to analyse time-specific putative explanatory factors for trends in adolescent mental health problems. PMID- 29203525 TI - Methodological, political and legal issues in the assessment of the effects of nanotechnology on human health. AB - Engineered nanomaterials (ENMs) raise questions among the scientific community and public health authorities about their potential risks to human health. Studying a prospective cohort of workers exposed to ENMs would be considered the gold standard for identifying potential health effects of nanotechnology and confirming the 'no effect' levels derived from cellular and animal models. However, because only small, cross-sectional studies have been conducted in the past 5 years, questions remain about the health risks of ENMs. This essay addresses the scientific, methodological, political and regulatory issues that make epidemiological research in nanotechnology-exposed communities particularly complex. Scientific challenges include the array of physicochemical parameters and ENM production conditions, the lack of universally accepted definitions of ENMs and nanotechnology workers, and the lack of information about modes of action, target organs and likely dose-response functions of ENMs. Standardisation of data collection and harmonisation of research protocols are needed to eliminate misclassification of exposures and health effects. Forming ENM worker cohorts from a combination of smaller cohorts and overcoming selection bias are also challenges. National or international registries for monitoring the exposures and health of ENM workers would be helpful for epidemiological studies, but the creation of such a registry and ENM worker cohorts will require political support and dedicated funding at the national and international levels. Public authorities and health agencies should consider carrying out an ENM awareness campaign to educate and engage all stakeholders and concerned communities in discussion of such a project. PMID- 29203526 TI - Caveolin-1 regulates lipid droplet metabolism in endothelial cells via autocrine prostacyclin-stimulated, cAMP-mediated lipolysis. AB - Lipid droplets (LD) are dynamic organelles involved in intracellular lipid metabolism in almost all eukaryotic cells, and LD-associated proteins tightly regulate their dynamics. One LD coat protein is caveolin-1 (Cav-1), an essential component for caveola assembly in highly differentiated cells, including adipocytes, smooth muscle cells, and endothelial cells (EC). However, the role of Cav-1 in LD dynamics is unclear. Here we report that EC lacking Cav-1 exhibit impaired LD formation. The decreased LD formation is due to enhanced lipolysis and not caused by reduced triglyceride synthesis or fatty acid uptake. Mechanistically, the absence of Cav-1 increased cAMP/PKA signaling in EC, as indicated by elevated phosphorylation of hormone-sensitive lipase and increased lipolysis. Unexpectedly, we also observed enhanced autocrine production of prostaglandin I2 (PGI2, also called prostacyclin) in Cav-1 KO EC, and this PGI2 increase appeared to stimulate cAMP/PKA pathways, contributing to the enhanced lipolysis in Cav-1 KO cells. Our results reveal an unanticipated role of Cav-1 in regulating lipolysis in non-adipose tissue, indicating that Cav-1 is required for LD metabolism in EC and that it regulates cAMP-dependent lipolysis in part via the autocrine production of PGI2. PMID- 29203530 TI - Visualization of a spinal capillary telangiectasia with 2D DSA and cone-beam CT. PMID- 29203531 TI - Editors' Note. PMID- 29203527 TI - A novel chemical inducer of Streptococcus quorum sensing acts by inhibiting the pheromone-degrading endopeptidase PepO. AB - Bacteria produce chemical signals (pheromones) to coordinate behaviors across a population in a process termed quorum sensing (QS). QS systems comprising peptide pheromones and their corresponding Rgg receptors are widespread among Firmicutes and may be useful targets for manipulating microbial behaviors, like suppressing virulence. The Rgg2/3 QS circuit of the human pathogen Streptococcus pyogenes controls genes affecting resistance to host lysozyme in response to short hydrophobic pheromones (SHPs). Considering that artificial activation of a QS pathway may be as useful in the objective of manipulating bacteria as inhibiting it, we sought to identify small-molecule inducers of the Rgg2/3 QS system. We report the identification of a small molecule, P516-0475, that specifically induced expression of Rgg2/3-regulated genes in the presence of SHP pheromones at concentrations lower than typically required for QS induction. In searching for the mode of action of P516-0475, we discovered that an S. pyogenes mutant deficient in pepO, a neprilysin-like metalloendopeptidase that degrades SHP pheromones, was unresponsive to the compound. P516-0475 directly inhibited recombinant PepO in vitro as an uncompetitive inhibitor. We conclude that this compound induces QS by stabilizing SHP pheromones in culture. Our study indicates the usefulness of cell-based screens that modulate pathway activities to identify unanticipated therapeutic targets contributing to QS signaling. PMID- 29203528 TI - Elevated sodium chloride drives type I interferon signaling in macrophages and increases antiviral resistance. AB - Type I IFN production and signaling in macrophages play critical roles in innate immune responses. High salt (i.e. high concentrations of NaCl) has been proposed to be an important environmental factor that influences immune responses in multiple ways. However, it remains unknown whether high salt regulates type I IFN production and signaling in macrophages. Here, we demonstrated that high salt promoted IFNbeta production and its signaling in both human and mouse macrophages, and consequentially primed macrophages for strengthened immune sensing and signaling when challenged with viruses or viral nucleic acid analogues. Using both pharmacological inhibitors and RNA interference we showed that these effects of high salt on IFNbeta signaling were mediated by the p38 MAPK/ATF2/AP1 signaling pathway. Consistently, high salt increased resistance to vesicle stomatitis virus (VSV) infection in vitro. In vivo data indicated that a high-salt diet protected mice from lethal VSV infection. Taken together, these results identify high salt as a crucial regulator of type I IFN production and signaling, shedding important new light on the regulation of innate immune responses. PMID- 29203529 TI - Crystal and solution structures of human protein-disulfide isomerase-like protein of the testis (PDILT) provide insight into its chaperone activity. AB - Protein-disulfide isomerase-like protein of the testis (PDILT), a member of the protein-disulfide isomerase family, is a chaperone essential for the folding of spermatogenesis-specific proteins in male postmeiotic germ cells. However, the structural mechanisms that regulate the chaperone function of PDILTs are unknown. Here, we report the structures of human PDILT (hPDILT) determined by X-ray crystallography to 2.4 A resolution and small-angle X-ray scattering (SAXS). Distinct from previously reported U-like structures of related PDI family proteins, our structures revealed that hPDILT folds into a compact L-like structure in crystals and into an extended chain-like structure in solution. The hydrophobic regions and the hydrophobic pockets in hPDILT, which are important for substrate recognition, were clearly delineated in the crystal structure. Moreover, our results of the SAXS analysis and of structure-based substitutions and truncations indicated that the C-terminal tail in hPDILT is required for suppression of aggregation of denatured proteins, suggesting that the tail is crucial for the chaperone activity of PDILT. Taken together, our findings have identified the critical regions and conformational changes of PDILT that enable and control its activity. These results advance our understanding of the structural mechanisms involved in the chaperone activity of PDILT. PMID- 29203532 TI - Letter re: Evaluation of hyperacute infarct volume using ASPECTS and brain CT perfusion core volume. PMID- 29203533 TI - Letter re: Evaluation of hyperacute infarct volume using ASPECTS and brain CT perfusion core volume. PMID- 29203534 TI - Author response: Evaluation of hyperacute infarct volume using ASPECTS and brain CT perfusion core volume. PMID- 29203535 TI - Child Neurology: Primary angiitis of the CNS. PMID- 29203536 TI - Teaching NeuroImages: A rare case of giant perivascular spaces in the midbrain manifesting as atypical parkinsonism. PMID- 29203537 TI - Teaching Video NeuroImages: Epilepsia partialis continua in an adolescent with preexisting focal epilepsy. PMID- 29203538 TI - High mobility group box 1 orchestrates tissue regeneration via CXCR4. AB - Inflammation and tissue regeneration follow tissue damage, but little is known about how these processes are coordinated. High Mobility Group Box 1 (HMGB1) is a nuclear protein that, when released on injury, triggers inflammation. We previously showed that HMGB1 with reduced cysteines is a chemoattractant, whereas a disulfide bond makes it a proinflammatory cytokine. Here we report that fully reduced HMGB1 orchestrates muscle and liver regeneration via CXCR4, whereas disulfide HMGB1 and its receptors TLR4/MD-2 and RAGE (receptor for advanced glycation end products) are not involved. Injection of HMGB1 accelerates tissue repair by acting on resident muscle stem cells, hepatocytes, and infiltrating cells. The nonoxidizable HMGB1 mutant 3S, in which serines replace cysteines, promotes muscle and liver regeneration more efficiently than the wild-type protein and without exacerbating inflammation by selectively interacting with CXCR4. Overall, our results show that the reduced form of HMGB1 coordinates tissue regeneration and suggest that 3S may be used to safely accelerate healing after injury in diverse clinical contexts. PMID- 29203539 TI - Novel and shared neoantigen derived from histone 3 variant H3.3K27M mutation for glioma T cell therapy. AB - The median overall survival for children with diffuse intrinsic pontine glioma (DIPG) is less than one year. The majority of diffuse midline gliomas, including more than 70% of DIPGs, harbor an amino acid substitution from lysine (K) to methionine (M) at position 27 of histone 3 variant 3 (H3.3). From a CD8+ T cell clone established by stimulation of HLA-A2+ CD8+ T cells with synthetic peptide encompassing the H3.3K27M mutation, complementary DNA for T cell receptor (TCR) alpha- and beta-chains were cloned into a retroviral vector. TCR-transduced HLA A2+ T cells efficiently killed HLA-A2+H3.3K27M+ glioma cells in an antigen- and HLA-specific manner. Adoptive transfer of TCR-transduced T cells significantly suppressed the progression of glioma xenografts in mice. Alanine-scanning assays suggested the absence of known human proteins sharing the key amino acid residues required for recognition by the TCR, suggesting that the TCR could be safely used in patients. These data provide us with a strong basis for developing T cell based therapy targeting this shared neoepitope. PMID- 29203540 TI - Toward Tuberculosis Vaccine Development: Recommendations for Nonhuman Primate Study Design. AB - Clinical trials of novel tuberculosis (TB) vaccines are expensive, while global resources for TB vaccine development are limited. Therefore, there is a need for robust and predictive preclinical data to support advancement of candidate vaccines into clinical trials. Here, we provide a rationale for using the nonhuman primate as an essential component of these efforts, as well as guidance to the TB community for standardizing experimental design and aligning endpoints to facilitate development of new TB vaccines. PMID- 29203541 TI - NanI Sialidase Can Support the Growth and Survival of Clostridium perfringens Strain F4969 in the Presence of Sialyated Host Macromolecules (Mucin) or Caco-2 Cells. AB - Enterotoxin-producing Clostridium perfringens type A strains cause human gastrointestinal (GI) infections, including a very common food poisoning and 5 to 10% of all cases of antibiotic-associated diarrhea. This bacterium can utilize free sialic acid for growth, but most sialic acids in the GI tract are sequestered on macromolecules, such as the mucin proteins of mucus or glycoconjugates in host cells. However, many C. perfringens strains produce sialidases that might promote growth and survival by generating free sialic acid from those sialyated host macromolecules or by exposing underlying carbohydrates or proteins for digestion by other enzymes. The current study tested that possibility and found that the C. perfringens nonfoodborne human GI disease strain F4969 can use either a mucin preparation or Caco-2 cells, which are human enterocyte-like cells, to support its growth and survival. An isogenic nanI null mutant and complemented strain were used to show that this enhanced growth and survival using mucin or Caco-2 cells involved NanI, which is the major exosialidase of F4969 and many other C. perfringens strains. Experiments also suggested that, at least in part, this growth promotion involves utilization of NanI-generated sialic acid. In addition, a sialidase inhibitor named siastatin B reduced the growth and survival of F4969 growing with either the mucin preparation or Caco-2 cells. These findings suggest that, when produced, NanI may be a significant contributor to C. perfringens human GI infections by promoting the intestinal growth and survival of this bacterium. They also suggest the possibility that sialidase inhibitors might inhibit C. perfringens infections. PMID- 29203542 TI - Proinflammatory Role of Monocyte-Derived CX3CR1int Macrophages in Helicobacter hepaticus-Induced Colitis. AB - Cells of the monocyte/macrophage lineage play important roles in the pathogenesis of inflammatory bowel diseases, but they are also present in the normal healthy intestine, where they are critical for maintaining homeostasis. It has been unclear whether the proinflammatory roles of intestinal macrophages reflect altered behavior of the existing resident cells, or whether they involve recruitment of a distinct cell type. Here, we have explored these ideas using the model of colitis induced by Helicobacter hepaticus in the context of neutralization or deletion of interleukin-10 (IL-10). Granulocytes and monocytes made up most of the inflammatory myeloid infiltrates found in the colon of H. hepaticus-infected colitic mice, rising to a peak within 2 weeks of H. hepaticus inoculation but taking several months to resolve completely. The inflammatory response was dependent on the combined presence of H. hepaticus and absence of IL 10 and was accompanied by increased production of inflammatory mediators such as IL-1beta, tumor necrosis factor alpha (TNF-alpha), IL-6, and IL-23p19 by infiltrating myeloid cells, mostly relatively immature cells of the macrophage lineage that express intermediate levels of CX3CR1. In contrast, the population of mature CX3CR1hi macrophages did not expand as markedly during colitis, and these cells made little contribution to inflammatory mediator production. Taking into account their numerical dominance in the myeloid compartment, we conclude that newly recruited monocytes are the main source of proinflammatory mediators in colitis induced in the absence of IL-10 signaling and that altered behavior of mature macrophages is not a major component of this pathology. PMID- 29203543 TI - Novel Mechanism behind the Immunopathogenesis of Vulvovaginal Candidiasis: "Neutrophil Anergy". AB - For over 3 decades, investigators have studied the pathogenesis of vulvovaginal candidiasis (VVC) and recurrent VVC (RVVC) through clinical studies and animal models. While there was considerable consensus that susceptibility was not associated with any apparent deficiencies in adaptive immunity, protective immune mechanisms and the role of innate immunity remained elusive. It was not until an innovative live-challenge design was conducted in women that a fuller understanding of the natural history of infection/disease was achieved. These studies revealed that symptomatic infection is associated with recruitment of polymorphonuclear neutrophils (PMNs) into the vaginal lumen. Subsequent studies in the established mouse model demonstrated that infiltrating PMNs were incapable of reducing the fungal burden, which supported the hypothesis that VVC/RVVC was an immunopathology, whereby Candida and the host response drive symptomatic disease. Further studies in mice revealed the requirement for C. albicans hyphae and identified pattern recognition receptors (PRRs) and proinflammatory mediators responsible for the PMN response, all of which are critical pieces of the immunopathogenesis. However, a mechanism explaining PMN dysfunction at the vaginal mucosa remained an enigma. Ultimately, by employing mouse strains resistant or susceptible to chronic VVC, it was determined that heparan sulfate (HS) in the vaginal environment of susceptible mice serves as a competitive ligand for Mac-1 on PMNs, which effectively renders the PMNs incapable of binding to Candida to initiate killing. Hence, the outcome of symptomatic VVC/RVVC is postulated to be dependent on a PMN-mediated immunopathogenic response involving HS that effectively places the neutrophils in a state of functional anergy. PMID- 29203544 TI - Mapping Protective Regions on a Three-Dimensional Model of the Moraxella catarrhalis Vaccine Antigen Oligopeptide Permease A. AB - A vaccine against Moraxella catarrhalis would reduce tremendous morbidity, mortality, and financial burden by preventing otitis media in children and exacerbations of chronic obstructive pulmonary disease (COPD) in adults. Oligopeptide permease A (OppA) is a candidate vaccine antigen that is (i) a nutritional virulence factor expressed on the bacterial cell surface during infection, (ii) widely conserved among strains, (iii) highly immunogenic, and (iv) a protective antigen based on its capacity to induce protective responses in immunized animals. In the present study, we show that the antibodies to OppA following vaccination mediate accelerated clearance in animals after pulmonary challenge. To identify regions of OppA that bind protective antibodies, truncated constructs of OppA were engineered and studied to map regions of OppA with surface-accessible epitopes that bind high-avidity antibodies following vaccination. Protective epitopes were located in the N and C termini of the protein. Immunization of mice with constructs corresponding to these regions (T5 and T8) induced protective responses. Studies of overlapping peptide libraries of constructs T5 and T8 with OppA immune serum identified two discrete regions on each construct. These potentially protective regions were mapped on a three dimensional computational model of OppA, where regions with solvent-accessible amino acids were identified as three potentially protective epitopes. In all, these studies revealed two regions with three specific epitopes in OppA that induce potentially protective antibody responses following vaccination. Detection of antibodies to these regions could serve to guide vaccine formulation and as a diagnostic tool for monitoring development of protective responses during clinical trials. PMID- 29203545 TI - Bordetella pertussis Adenylate Cyclase Toxin Disrupts Functional Integrity of Bronchial Epithelial Layers. AB - The airway epithelium restricts the penetration of inhaled pathogens into the underlying tissue and plays a crucial role in the innate immune defense against respiratory infections. The whooping cough agent, Bordetella pertussis, adheres to ciliated cells of the human airway epithelium and subverts its defense functions through the action of secreted toxins and other virulence factors. We examined the impact of B. pertussis infection and of adenylate cyclase toxin hemolysin (CyaA) action on the functional integrity of human bronchial epithelial cells cultured at the air-liquid interface (ALI). B. pertussis adhesion to the apical surface of polarized pseudostratified VA10 cell layers provoked a disruption of tight junctions and caused a drop in transepithelial electrical resistance (TEER). The reduction of TEER depended on the capacity of the secreted CyaA toxin to elicit cAMP signaling in epithelial cells through its adenylyl cyclase enzyme activity. Both purified CyaA and cAMP-signaling drugs triggered a decrease in the TEER of VA10 cell layers. Toxin-produced cAMP signaling caused actin cytoskeleton rearrangement and induced mucin 5AC production and interleukin 6 (IL-6) secretion, while it inhibited the IL-17A-induced secretion of the IL-8 chemokine and of the antimicrobial peptide beta-defensin 2. These results indicate that CyaA toxin activity compromises the barrier and innate immune functions of Bordetella-infected airway epithelia. PMID- 29203546 TI - Use of Proteins Identified through a Functional Genomic Screen To Develop a Protein Subunit Vaccine That Provides Significant Protection against Virulent Streptococcus suis in Pigs. AB - Streptococcus suis is a bacterium that is commonly carried in the respiratory tract and that is also one of the most important invasive pathogens of swine, commonly causing meningitis, arthritis, and septicemia. Due to the existence of many serotypes and a wide range of immune evasion capabilities, efficacious vaccines are not readily available. The selection of S. suis protein candidates for inclusion in a vaccine was accomplished by identifying fitness genes through a functional genomics screen and selecting conserved predicted surface-associated proteins. Five candidate proteins were selected for evaluation in a vaccine trial and administered both intranasally and intramuscularly with one of two different adjuvant formulations. Clinical protection was evaluated by subsequent intranasal challenge with virulent S. suis While subunit vaccination with the S. suis proteins induced IgG antibodies to each individual protein and a cellular immune response to the pool of proteins and provided substantial protection from challenge with virulent S. suis, the immune response elicited and the degree of protection were dependent on the parenteral adjuvant given. Subunit vaccination induced IgG reactive against different S. suis serotypes, indicating a potential for cross protection. PMID- 29203547 TI - Regulated release of cryptococcal polysaccharide drives virulence and suppresses immune infiltration into the central nervous system. AB - Cryptococcus neoformans is a common environmental yeast and opportunistic pathogen responsible for 15% of AIDS-related deaths worldwide. Mortality primarily results from meningoencephalitis, which occurs when fungal cells disseminate to the brain from the initial pulmonary infection site. A key C. neoformans virulence trait is the polysaccharide capsule. Capsule shields C. neoformans from immune-mediated recognition and destruction. The main capsule component, glucuronoxylomannan (GXM), is found both attached to the cell surface and free in the extracellular space (as exo-GXM). Exo-GXM accumulates in patient serum and cerebrospinal fluid at MUg/mL concentrations, has well-documented immunosuppressive properties, and correlates with poor patient outcomes. However, it is poorly understood whether exo-GXM release is regulated or the result of shedding during normal capsule turnover. We demonstrate that exo-GXM release is regulated by environmental cues and inversely correlates with surface capsule levels. We identified genes specifically involved in exo-GXM release that do not alter surface capsule thickness. The first mutant, liv7Delta, released less GXM than wild-type cells when capsule is not induced. The second mutant, cnag_00658Delta, released more exo-GXM under capsule-inducing conditions. Exo-GXM release observed in vitro correlated with polystyrene adherence, virulence, and fungal burden during murine infection. Additionally, we find that exo-GXM reduces cell size and capsule thickness in capsule-inducing conditions, potentially influencing dissemination. Finally, we demonstrated that exo-GXM prevents immune cell infiltration into the brain during disseminated infection and highly inflammatory intracranial infection. Our data suggest that exo-GXM performs a different role from capsule GXM during infection, altering cell size and suppressing inflammation. PMID- 29203548 TI - Utilization of host polyamines in alternatively activated macrophages promotes chronic infection by Brucella abortus. AB - Treatment of intracellular bacterial pathogens with antibiotic therapy often requires a long course of multiple antibiotics. A barrier to developing strategies that enhance antibiotic efficacy against these pathogens is our poor understanding of the intracellular nutritional environment that maintains bacterial persistence. The intracellular pathogen Brucella abortus survives and replicates preferentially in alternatively activated macrophages (AAM), however knowledge of the metabolic adaptations promoting exploitation of this niche is limited. Here we show that one mechanism promoting enhanced survival in AAM is a shift in macrophage arginine utilization from production of nitric oxide (NO) to biosynthesis of polyamines, induced by IL-4/IL-13 treatment. B. abortus is unable to synthesize polyamines, however production of polyamines by infected AAM promoted both intracellular survival of bacteria and chronic infection in mice, as inhibition of macrophage polyamine synthesis or inactivation of the B. abortus putrescine transporter potIHGF reduced both intracellular survival in AAM and persistence in mice. These results demonstrate that increased intracellular availability of polyamines induced by arginase-1 expression in IL-4/IL-13-induced AAM promotes chronic persistence of B. abortus within this niche and suggest that targeting of this pathway may aid in eradicating chronic infection. PMID- 29203549 TI - Adapting QOF to focus on wellbeing and health. PMID- 29203550 TI - Basic Review of Radiation Biology and Terminology. AB - The purpose of this paper is to review basic radiation biology and associated terminology to impart a better understanding of the importance of basic concepts of ionizing radiation interactions with living tissue. As health care workers in a field that utilizes ionizing radiation, nuclear medicine technologists are concerned about the possible acute and chronic effects of occupational radiation exposure. Technologists should have a clear understanding of what they are exposed to and how their safety could be affected. Furthermore, technologists should be knowledgeable about radiation effects so that they can adequately assuage possible patient fears about undergoing a nuclear medicine procedure. After reading this article, the nuclear medicine technologist will be familiar with basic radiation biology concepts; types of interactions of radiation with living tissue, and possible effects from that exposure; theoretic dose-response curves and how they are used in radiation biology; stochastic versus nonstochastic effects of radiation exposure, and what these terms mean in relation to both high- and low-dose radiation exposure; and possible acute and chronic radiation exposure effects. PMID- 29203551 TI - Erratum. PMID- 29203552 TI - Thanks to All Who Make This Journal Possible. PMID- 29203553 TI - The New SNMMI-TS Strategic Plan: Establishing a Firm Foundation for the Future. PMID- 29203554 TI - The clinical and prognostic relevance of driver mutations in 203 Taiwanese patients with primary myelofibrosis. AB - AIMS: We investigated the clinical and prognostic relevance of the mutational status of driver genes with allele burden and endogenous erythroid colony (EEC) growth in 203 Taiwanese patients with primary myelofibrosis (PMF). METHODS: Pyrosequencing was used to detect JAK2V617F mutational status and measure allele burden, while MPL (exon 10) mutations were analysed by PCR assay and then by direct sequencing. CALR exon 9 mutations were first screened for length changes by GeneScan followed by sequencing. The allele burden of the mutated CALR gene was measured by pyrosequencing. The EEC assay was conducted using a serum-free culture system. RESULTS: The frequencies of the three driver mutations and triple negative status were similarly distributed between pre-PMF and overt PMF patients, except that pre-PMF patients had a higher incidence of CALR type 2/type 2 like mutations and a lower JAK2V617F allele burden. EEC growth and CALR mutations conferred favourable overall survival (OS). A lower JAK2V617F allele burden and grade 3 bone marrow fibrosis were associated with shorter OS and decreased leukaemia-free survival (LFS). Type 2/type 2-like CAL mutations were associated with better LFS compared with type1/type 1-like mutations. Patients with triple-negative mutation status had significantly worse OS and LFS. The allele burden of CALR mutations remained unchanged, while some JAK2V617F mutations showed clonal expansion in patients during secondary acute myeloid leukaemia transformation. CONCLUSIONS: Our study showed that EEC growth, a higher JAK2V617F allele burden and CALR mutations, especially type 2, were independent predictors for better outcomes in PMF. The allele burden of CALR mutations remained stable, but the allele burden of JAK2V617Fmutations was variable during leukaemia transformation. PMID- 29203555 TI - Physical activity investments that work-Get Scotland walking: a National Walking Strategy for Scotland. PMID- 29203556 TI - NDH-PSI Supercomplex Assembly Precedes Full Assembly of the NDH Complex in Chloroplast. AB - The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex. Here, we found that CHLORORESPIRATORY REDUCTION3 (CRR3) is an assembly factor required for the accumulation of subcomplex B (SubB) of chloroplast NDH. In Suc density gradient centrifugation, CRR3 was detected in three protein complexes. Accumulation of the largest peak III complex was impaired in mutants defective in the SubB subunits PnsB2-PnsB5. The oligomeric form of CRR3 likely functions to assemble the core of SubB to form the peak III complex as an assembly intermediate. A defect in the PnsL3 subunit increased the level of the peak III complex, suggesting that CRR3 was released from the assembly intermediate after PnsL3 binding. Unlike PnsB2-PnsB5 and PnsL3, PnsB1 was not absolutely necessary for stabilizing SubB. PnsB1 is likely incorporated into the intermediate at the final step during SubB assembly. Lhca6 is a linker protein mediating NDH-PSI supercomplex formation, and its site of contact with NDH was suggested to be SubB. In the lhca6 mutant, accumulation of the peak III complex was impaired, suggesting that SubB interacted with Lhca6 during the step of SubB assembly. The process of supercomplex formation was triggered before the completion of the NDH assembly. Consistent with its predicted function, CRR3 accumulated in young leaves, where the NDH complex was assembled. PMID- 29203557 TI - A Single Oxidosqualene Cyclase Produces the Seco-Triterpenoid alpha-Onocerin. AB - 8,14-seco-Triterpenoids are characterized by their unusual open C-ring. Their distribution in nature is rare and scattered in taxonomically unrelated plants. The 8,14-seco-triterpenoid alpha-onocerin is only known from the evolutionarily distant clubmoss genus Lycopodium and the leguminous genus Ononis, which makes the biosynthesis of this seco-triterpenoid intriguing from an evolutionary standpoint. In our experiments with Ononis spinosa, alpha-onocerin was detected only in the roots. Through transcriptome analysis of the roots, an oxidosqualene cyclase, OsONS1, was identified that produces alpha-onocerin from squalene 2,3;22,23-dioxide when transiently expressed in Nicotiana bethamiana In contrast, in Lycopodium clavatum, two sequential cyclases, LcLCC and LcLCD, are required to produce alpha-onocerin in the N. benthamiana transient expression system. Expression of OsONS1 in the lanosterol synthase knockout yeast strain GIL77, which accumulates squalene-2,3;22,23-dioxide, verified the alpha-onocerin production. A phylogenetic analysis predicts that OsONS1 branches off from specific lupeol synthases and does not group with the known L. clavatum alpha onocerin cyclases. Both the biochemical and phylogenetic analyses of OsONS1 suggest convergent evolution of the alpha-onocerin pathways. When OsONS1 was coexpressed in N. benthamiana leaves with either of the two O. spinosa squalene epoxidases, OsSQE1 or OsSQE2, alpha-onocerin production was boosted, most likely because the epoxidases produce higher amounts of squalene-2,3;22,23-dioxide. Fluorescence lifetime imaging microscopy analysis demonstrated specific protein protein interactions between OsONS1 and both O. spinosa squalene epoxidases. Coexpression of OsONS1 with the two OsSQEs suggests that OsSQE2 is the preferred partner of OsONS1 in planta. Our results provide an example of the convergent evolution of plant specialized metabolism. PMID- 29203558 TI - SEIPIN Proteins Mediate Lipid Droplet Biogenesis to Promote Pollen Transmission and Reduce Seed Dormancy. AB - Lipid droplets (LDs) are ubiquitous organelles in plant cells, but their physiological roles are largely unknown. To gain insight into the function of LDs in plants, we have characterized the Arabidopsis homologs of SEIPIN proteins, which are crucial factors for LD biogenesis in yeast and animals. SEIPIN1 is expressed almost exclusively in embryos, while SEIPIN2 and SEIPIN3 have broader expression profiles with maximal levels in embryos and pollen, where LDs accumulate most abundantly. Genetic analysis demonstrates that all three SEIPINs contribute to proper LD biogenesis in embryos, whereas in pollen, only SEIPIN2 and SEIPIN3 play a significant role. The double seipin2 seipin3 and triple seipin mutants accumulate extremely enlarged LDs in seeds and pollen, which hinders their subsequent mobilization during germination. Interestingly, electron microscopy analysis reveals the presence of nuclear LDs attached to type I nucleoplasmic reticulum in triple seipin mutant embryos, supporting that SEIPINs are essential for maintaining the correct polarity of LD budding at the nuclear envelope, restricting it to the outer membrane. In pollen, the perturbations in LD biogenesis and turnover are coupled to reduced germination in vitro and with lower fertilization efficiency in vivo. In seeds, germination per se is not affected in seipin2 seipin3 and triple seipin mutants, but there is a striking increase in seed dormancy levels. Our findings reveal the relevance of SEIPIN dependent LD biogenesis in pollen transmission and in adjusting the timing of seed germination, two key adaptive traits of great importance in agriculture. PMID- 29203561 TI - Correction to: Symptom Diary Use and Improved Survival for Patients With Heart Failure. PMID- 29203559 TI - Membrane Dynamics and Multiple Functions of Oil Bodies in Seeds and Leaves. PMID- 29203560 TI - Roles for Light, Energy, and Oxygen in the Fate of Quiescent Axillary Buds. PMID- 29203563 TI - Detection of Urinary Mulberry Bodies Leads to Diagnosis of Fabry Cardiomyopathy: A Simple Clue in the Urine Sediment. PMID- 29203564 TI - Learning From Major Clinical Trials: Bending Without Breaking. PMID- 29203562 TI - Impaired Protein Quality Control During Left Ventricular Remodeling in Mice With Cardiac Restricted Overexpression of Tumor Necrosis Factor. AB - BACKGROUND: Sustained inflammation in the heart is sufficient to provoke left ventricular dysfunction and left ventricular remodeling. Although inflammation has been linked to many of the biological changes responsible for adverse left ventricular remodeling, the relationship between inflammation and protein quality control in the heart is not well understood. METHODS AND RESULTS: To study the relationship between chronic inflammation and protein quality control, we used a mouse model of dilated cardiomyopathy driven by cardiac restricted overexpression of TNF (tumor necrosis factor; Myh6-sTNF). Myh6-sTNF mice develop protein aggregates containing ubiquitin-tagged proteins within cardiac myocytes related to proteasome dysfunction and impaired autophagy. The 26S proteasome was dysfunctional despite normal function of the core 20S subunit. We found an accumulation of autophagy substrates in Myh6-sTNF mice, which were also seen in tissue from patients with end-stage heart failure. Moreover, there was evidence of impaired autophagosome clearance after chloroquine administration in these mice indicative of impaired autophagic flux. Finally, there was increased mammalian target of rapamycin complex 1 (mTORC1) activation, which has been linked to inhibition of both the proteasome and autophagy. CONCLUSIONS: Myh6-sTNF mice with sustained inflammatory signaling develop proteasome dysfunction and impaired autophagic flux that is associated with enhanced mTORC1 activation. PMID- 29203565 TI - The Tale of an Innocent: Intensive Treatment and the J-Curve in the SPRINT Trial (Systolic Blood Pressure Intervention Trial). PMID- 29203566 TI - Echocardiographic Detection of Latent Rheumatic Heart Disease: A Pandora's Box? PMID- 29203567 TI - FUNDC1: A Novel Protein in Cardiac Health. PMID- 29203568 TI - Increased Inflammation in Pericardial Fluid Persists 48 Hours After Cardiac Surgery. PMID- 29203569 TI - Letter by Jin-shan and Xue-bin Regarding Article, "Genotype-Phenotype Correlation of SCN5A Mutation for the Clinical and Electrocardiographic Characteristics of Probands With Brugada Syndrome: A Japanese Multicenter Registry". PMID- 29203570 TI - Response by Yamagata et al to Letter Regarding Article, "Genotype-Phenotype Correlation of SCN5A Mutation for the Clinical and Electrocardiographic Characteristics of Probands With Brugada Syndrome: A Japanese Multicenter Registry". PMID- 29203571 TI - Letter by Kotsiou and Gourgoulianis Regarding Article, "Pathophysiology of Takotsubo Syndrome". PMID- 29203572 TI - Letter by Stiermaier and Eitel Regarding Article, "Pathophysiology of Takotsubo Syndrome". PMID- 29203573 TI - Mechanisms of beta-cell dedifferentiation in diabetes: recent findings and future research directions. AB - Like all the cells of an organism, pancreatic beta-cells originate from embryonic stem cells through a complex cellular process termed differentiation. Differentiation involves the coordinated and tightly controlled activation/repression of specific effectors and gene clusters in a time-dependent fashion thereby giving rise to particular morphological and functional cellular features. Interestingly, cellular differentiation is not a unidirectional process. Indeed, growing evidence suggests that under certain conditions, mature beta-cells can lose, to various degrees, their differentiated phenotype and cellular identity and regress to a less differentiated or a precursor-like state. This concept is termed dedifferentiation and has been proposed, besides cell death, as a contributing factor to the loss of functional beta-cell mass in diabetes. beta-cell dedifferentiation involves: (1) the downregulation of beta cell-enriched genes, including key transcription factors, insulin, glucose metabolism genes, protein processing and secretory pathway genes; (2) the concomitant upregulation of genes suppressed or expressed at very low levels in normal beta-cells, the beta-cell forbidden genes; and (3) the likely upregulation of progenitor cell genes. These alterations lead to phenotypic reconfiguration of beta-cells and ultimately defective insulin secretion. While the major role of glucotoxicity in beta-cell dedifferentiation is well established, the precise mechanisms involved are still under investigation. This review highlights the identified molecular mechanisms implicated in beta-cell dedifferentiation including oxidative stress, endoplasmic reticulum (ER) stress, inflammation and hypoxia. It discusses the role of Foxo1, Myc and inhibitor of differentiation proteins and underscores the emerging role of non-coding RNAs. Finally, it proposes a novel hypothesis of beta-cell dedifferentiation as a potential adaptive mechanism to escape cell death under stress conditions. PMID- 29203574 TI - Blunt chest trauma: a clinical chameleon. AB - The incidence of blunt chest trauma (BCT) is greater than 15% of all trauma admissions to the emergency departments worldwide and is the second leading cause of death after head injury in motor vehicle accidents. The mortality due to BCT is inhomogeneously described ranging from 9% to 60%. BCT is commonly caused by a sudden high-speed deceleration trauma to the anterior chest, leading to a compression of the thorax. All thoracic structures might be injured as a result of the trauma. Complex cardiac arrhythmia, heart murmurs, hypotension, angina like chest pain, respiratory insufficiency or distention of the jugular veins may indicate potential cardiac injury. However, on admission to emergency departments symptoms might be missing or may not be clearly associated with the injury. Accurate diagnostics and early management in order to prevent serious complications and death are essential for patients suffering a BCT. Optimal initial diagnostics includes echocardiography or CT, Holter-monitor recordings, serial 12-lead electrocardiography and measurements of cardiac enzymes. Immediate diagnostics leading to the appropriate therapy is essential for saving a patient's life. The key aspect of the entire management, including diagnostics and treatment of patients with BCT, remains an interdisciplinary team involving cardiologists, cardiothoracic surgeons, imaging radiologists and trauma specialists working in tandem. PMID- 29203575 TI - Chronic Delta9-THC in Rhesus Monkeys: Effects on Cognitive Performance and Dopamine D2/D3 Receptor Availability. AB - Cannabis-related impairments to cognitive function may represent novel therapeutic targets for cannabis-use disorder, although the nature, persistence, and reversibility of such deficits remain unclear. Adult male rhesus monkeys (N = 6) responded in the morning on tasks designed to assess different cognitive domains using the Cambridge Neuropsychological Test Automated Battery (CANTAB) touchscreens followed by responding maintained under a fixed-ratio (FR) 10 schedule of food presentation in different operant chambers. First, the acute effects of Delta9-tetrahydrocannabinol (THC; 0.01-0.56 mg/kg, i.v.) on cognitive performance, FR responding, and body temperature were determined. Next, THC (1.0 2.0 mg/kg, s.c.) was administered daily after FR 10 sessions for 12 weeks, during which the residual effects of THC (i.e., 22 hours after administration) on cognition were examined and the acute effects of THC were redetermined. In a subgroup of monkeys, dopamine D2/D3 receptor availability was assessed after 4 weeks of chronic THC exposure and compared with drug-naive controls using positron emission tomography and [11C]-raclopride (N = 4/group). Acute THC pretreatments dose-dependently decreased FR responding and body temperature, and impairment to cognitive performance was task specific. During chronic treatment, THC produced persistent residual impairment only to working memory; tolerance differentially developed to acute cognitive impairments. There was recovery from residual cognitive impairments to working memory within 2 weeks of abstinence. Compared with controls, D2/D3 receptor availability was not altered during chronic THC treatment. In conclusion, THC-induced disruptions in cognition were task-specific, as was tolerance development, and not related to changes in D2/D3 receptor availability. Intervention strategies for cannabis-use disorder that enhance working memory performance may facilitate positive treatment outcomes. PMID- 29203577 TI - HIV and herpes simplex virus type 2 epidemiological synergy: misguided observational evidence? A modelling study. AB - OBJECTIVES: To investigate whether observational studies of HIV and herpes simplex virus type 2 (HSV-2) infections have the capacity to assess the HIV/HSV-2 epidemiological synergy. METHODS: An individual-based Monte Carlo model was used to simulate HIV/HSV-2 epidemics in two scenarios: no HIV/HSV-2 biological interaction and HSV-2 seropositivity enhancing HIV acquisition. Cross-sectional observational studies were simulated by sampling individuals from the population to assess resulting crude and adjusted ORs of the HIV/HSV-2 association. Meta analyses were conducted to estimate the pooled mean ORs. Impact of under reporting of sexual behaviour and miscapture of high-risk individuals was assessed through sensitivity analyses. RESULTS: Assuming no HIV/HSV-2 biological interaction, the crude HIV/HSV-2 OR ranged between 1.38 and 9.93, with a pooled mean of 6.45 (95% CI 5.81 to 7.17). Adjustment for the number of sexual partners over last year, over lifetime and for both partner numbers simultaneously reduced the mean OR to 5.45 (95% CI 4.90 to 6.06), 3.70 (95% CI 3.32 to 4.12) and 3.54 (95% CI 3.17 to 3.94), respectively. Assuming HIV/HSV-2 biological interaction, the crude OR ranged between 3.44 and 9.95, with a pooled mean of 8.05 (95% CI 7.14 to 9.07). The adjustments reduced the mean OR to 7.00 (95% CI 6.21 to 7.90), 3.76 (95% CI 3.32 to 4.25) and 3.68 (95% CI 3.25 to 4.17), respectively. Under reporting of partners reduced the confounder-adjustment effects. Miscapture of high-risk individuals considerably lowered the estimated ORs. CONCLUSIONS: It is difficult to control for sexual-behaviour confounding in observational studies. The observed HIV/HSV-2 association appears more consistent with two infections sharing the same mode of transmission, rather than with HSV-2 enhancing HIV acquisition. PMID- 29203576 TI - Dimethoxy-etomidate: A Nonhypnotic Etomidate Analog that Potently Inhibits Steroidogenesis. AB - Cushing's syndrome is characterized by the overproduction of adrenocortical steroids. Steroidogenesis inhibitors are mainstays of medical therapy for Cushing's syndrome; unfortunately, adverse side effects and treatment failures are common with currently available drugs. The general anesthetic induction agent etomidate is among the most potent inhibitors of adrenocortical steroidogenesis. However, its use as a treatment of Cushing's syndrome is complicated by its sedative-hypnotic activity and ability to produce myoclonus, central nervous system actions thought to be mediated by the GABAA receptor. Here, we describe the pharmacology of the novel etomidate analog (R)-ethyl 1-(1-(3,5 dimethoxyphenyl)ethyl)-1H-imidazole-5-carboxylate (dimethoxy-etomidate). In contrast to etomidate, dimethoxy-etomidate minimally enhanced GABA-evoked GABAA receptor-mediated currents even at a near-saturating aqueous concentration. In Sprague-Dawley rats, dimethoxy-etomidate's potency for producing loss of righting reflexes-an animal model of sedation/hypnosis-was 2 orders of magnitude lower than that of etomidate, and it did not produce myoclonus. However, similar to etomidate, dimethoxy-etomidate potently suppressed adrenocortical steroid synthesis primarily by inhibiting 11beta-hydroxylase. [3H]etomidate binding to rat adrenocortical membranes was inhibited by dimethoxy-etomidate in a biphasic manner with IC50 values of 8.2 and 3970 nM, whereas that by etomidate was monophasic with an IC50 of 22 nM. Our results demonstrate that, similar to etomidate, dimethoxy-etomidate potently and dose-dependently suppresses adrenocortical steroid synthesis by inhibiting 11beta-hydroxylase. However, it is essentially devoid of etomidate's GABAA receptor positive modulatory and sedative hypnotic activities and produces no myoclonus, providing proof of concept for the design of etomidate analogs without important central nervous system actions for the pharmacologic treatment of Cushing's syndrome. PMID- 29203578 TI - Left Ventricular Thrombi in Takotsubo Syndrome: Incidence, Predictors, and Management: Results From the GEIST (German Italian Stress Cardiomyopathy) Registry. AB - BACKGROUND: Left ventricular (LV) thrombi during Takotsubo syndrome represent a potential complication and can be associated with cerebrovascular embolic events. The aim of this study was to evaluate the exact incidence, predictors, and management strategies of LV thrombi in patients with Takotsubo syndrome. METHODS AND RESULTS: We enrolled 541 consecutive patients in a multicenter international registry. Clinical features and echocardiographic data at admission, during hospitalization, and after 3 months were evaluated. Survival rates for long-term follow-up (mean 984+/-908 days) were recorded. Twelve Takotsubo syndrome patients (2.2%) developed LV thrombi (all female presenting with apical ballooning pattern). All patients with LV thrombi were treated with oral anticoagulation therapy; however, 2 (17%) had a stroke before treatment initiation. These patients were characterized by a higher prevalence of ST-elevation (56% versus 16%; P<0.001) and higher troponin I levels (10.8+/-18.3 ng/mL versus 3.5+/-4.3 ng/mL; P=0.001) as compared with those without LV thrombi. At multivariate analysis including age, sex, LV ejection fraction, ST-elevation at admission, and apical ballooning pattern, troponin I level >10 ng/mL was the only predictor for LV thrombosis (hazard ratio 6.6, confidence interval, 1.01-40.0; P=0.04). After 3 months all LV thrombi disappeared. Oral anticoagulation therapy was interrupted in all patients except 1. At long-term follow-up, the survival rate was not different between patients with and without LV thrombi (84% versus 85%; P=0.99). CONCLUSIONS: LV thrombi have a relatively low incidence among patients with Takotsubo syndrome and were detected in female patients with apical ballooning pattern and increased troponin levels. Oral anticoagulation therapy for 3 months seems reasonable in these high-risk patients. PMID- 29203579 TI - Heads and Tails of Natriuretic Peptides: Neuroprotective Role of Brain Natriuretic Peptide. AB - BACKGROUND: Besides the relevant role of brain-type natriuretic peptide (BNP) as biomarker of cardioembolic strokes, new experimental evidences suggest that this peptide may mediate neuroprotective effects. In this study, we have evaluated for the first time the clinical association between BNP (by means of proBNP) and good outcome in ischemic stroke patients, and analyzed the effect of blood BNP increase in an ischemic animal model. METHODS AND RESULTS: A retrospective study with 2 different cohorts (262 patients in cohort I and 610 in cohort II) from the same prospective stroke registry was performed. proBNP concentration was analyzed within the first 12 hours from stroke onset. The primary predictor variable was functional outcome evaluated by modified Rankin Scale at 3 months. For the experimental study, BNP pretreatment was tested in an ischemic animal model subjected to a transient occlusion of the cerebral artery, and the infarct volume and sensorimotor deficit were evaluated for 14 days. Cardioembolic strokes presented a positive correlation between proBNP concentration and modified Rankin Scale at 3 months; however, noncardioembolic strokes presented a negative correlation. In the logistic regression analysis, noncardioembolic strokes with concentrations of proBNP >=340 pg/mL were associated with a good outcome. In line with these clinical findings, the experimental study revealed that those BNP pretreated animals presented a reduction on infarct volumes at 24 hours and functional recovery at days 7 and 14 compared with the control groups. CONCLUSIONS: These clinical and experimental evidences support the potential role of BNP as a protective factor against cerebral ischemia. PMID- 29203580 TI - Thrombocytopenia as a Preoperative Risk Assessment Tool in Patients With Rheumatic Heart Disease Undergoing Valve Replacement Surgery. AB - BACKGROUND: Postoperative thrombocytopenia has been reported to be correlated with adverse events, but the prognostic value of baseline thrombocytopenia is unclear. This study was undertaken to evaluate the relationship between preoperative thrombocytopenia and adverse outcomes in patients with rheumatic heart disease who underwent valve replacement surgery. METHODS AND RESULTS: A total of 1789 patients with rheumatic heart disease undergoing valve replacement surgery were consecutively enrolled and postoperatively followed up for 1 year. Patients were stratified on the basis of presence (n=495) or absence (n=1294) of thrombocytopenia (platelet count, <150*109/L), according to hospital admission platelet counts. During the hospitalization period, 69 patients (3.9%) died. The in-hospital all-cause mortality rate was significantly higher in the thrombocytopenic group (6.9% versus 2.7%; P<0.001). Multivariate analyses revealed that thrombocytopenia was independently associated with in-hospital all cause mortality (odds ratio, 2.21; 95% confidence interval, 1.29-3.80; P=0.004). Platelet counts could predict in-hospital all-cause mortality for patients both with and without previous atrial fibrillation (areas under the curve, 0.708 [P<0.001] and 0.610 [P=0.025], respectively). One-year survival was significantly lower in patients with thrombocytopenia compared with controls (91.3% versus 96.1%; log-rank=14.65; P<0.001). In addition, thrombocytopenia was an independent predictor for postoperative 1-year all-cause mortality in multivariate Cox regression analysis. CONCLUSIONS: Platelet counts, as simple and inexpensive indexes, were reliable to be used as a preoperative risk assessment tool for patients with rheumatic heart disease undergoing valve replacement surgery. PMID- 29203582 TI - Morning Enzymatic Activity of DPP-4 Is Differentially Altered by Sleep Loss in Women and Men. PMID- 29203581 TI - Cardiac Insulin Signaling Regulates Glycolysis Through Phosphofructokinase 2 Content and Activity. AB - BACKGROUND: The healthy heart has a dynamic capacity to respond and adapt to changes in nutrient availability. Diabetes mellitus disrupts this metabolic flexibility and promotes cardiomyopathy through mechanisms that are not completely understood. Phosphofructokinase 2 (PFK-2) is a primary regulator of cardiac glycolysis and substrate selection, yet its regulation under normal and pathological conditions is unknown. This study was undertaken to determine how changes in insulin signaling affect PFK-2 content, activity, and cardiac metabolism. METHODS AND RESULTS: Streptozotocin-induced diabetes mellitus, high fat diet feeding, and fasted mice were used to identify how decreased insulin signaling affects PFK-2 and cardiac metabolism. Primary adult cardiomyocytes were used to define the mechanisms that regulate PFK-2 degradation. Both type 1 diabetes mellitus and a high-fat diet induced a significant decrease in cardiac PFK-2 protein content without affecting its transcript levels. Overnight fasting also induced a decrease in PFK-2, suggesting it is rapidly degraded in the absence of insulin signaling. An unbiased metabolomic study demonstrated that decreased PFK-2 in fasted animals is accompanied by an increase in glycolytic intermediates upstream of phosphofructokianse-1, whereas those downstream are diminished. Mechanistic studies using cardiomyocytes showed that, in the absence of insulin signaling, PFK-2 is rapidly degraded via both proteasomal- and chaperone-mediated autophagy. CONCLUSIONS: The loss of PFK-2 content as a result of reduced insulin signaling impairs the capacity to dynamically regulate glycolysis and elevates the levels of early glycolytic intermediates. Although this may be beneficial in the fasted state to conserve systemic glucose, it represents a pathological impairment in diabetes mellitus. PMID- 29203583 TI - How Does Empagliflozin Reduce Cardiovascular Mortality? Insights From a Mediation Analysis of the EMPA-REG OUTCOME Trial. AB - OBJECTIVE: In the BI 10773 (Empagliflozin) Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients (EMPA-REG OUTCOME) trial involving 7,020 patients with type 2 diabetes and established cardiovascular (CV) disease, empagliflozin given in addition to standard of care reduced the risk of CV death by 38% versus placebo (hazard ratio [HR] 0.62 [95% CI 0.49, 0.77]). This exploratory mediation analysis assesses the extent to which treatment group differences in covariates during the trial contributed to CV death risk reduction with empagliflozin. RESEARCH DESIGN AND METHODS: Effects of potential mediators, identified post hoc, on the HR for CV death with empagliflozin versus placebo were analyzed by Cox regression models, with treatment group adjusted for the baseline value of the variable and its change from baseline or updated mean (i.e., considering all prior values), each as a time-dependent covariate. HRs were compared with a model without adjustment for covariates. Multivariable analyses also were performed. RESULTS: Changes in hematocrit and hemoglobin mediated 51.8% and 48.9%, respectively, of the effect of empagliflozin versus placebo on the risk of CV death on the basis of changes from baseline, with similar results in analyses on the basis of updated means. Smaller mediation effects (maximum 29.3%) were observed for uric acid, fasting plasma glucose, and HbA1c. In multivariable models, which incorporated effects of empagliflozin on hematocrit, fasting glucose, uric acid, and urine albumin:creatinine ratio, the combined changes from baseline provided 85.2% mediation, whereas updated mean analyses provided 94.6% mediation of the effect of empagliflozin on CV death. CONCLUSIONS: In this exploratory analysis from the EMPA-REG OUTCOME trial, changes in markers of plasma volume were the most important mediators of the reduction in risk of CV death with empagliflozin versus placebo. PMID- 29203585 TI - Safety and efficacy of selinexor in relapsed or refractory multiple myeloma and Waldenstrom macroglobulinemia. AB - Novel therapies are needed for patients with relapsed or refractory multiple myeloma (MM). We conducted a multicenter, phase 1 study in advanced hematological malignancies to assess the safety, efficacy, and recommended phase 2 dose (RP2D) of oral selinexor, a selective inhibitor of the nuclear export protein XPO1. In the dose-escalation phase, 25 patients with heavily pretreated MM (22) or Waldenstrom macroglobulinemia (3) were administered selinexor (3-60 mg/m2) in 8 or 10 doses per 28-day cycle. In the dose-expansion phase, 59 patients with MM received selinexor at 45 or 60 mg/m2 with 20 mg dexamethasone, twice weekly in 28 day cycles, or selinexor (40 or 60 mg flat dose) without corticosteroids in 21 day cycles. The most common nonhematologic adverse events (AEs) were nausea (75%), fatigue (70%), anorexia (64%), vomiting (43%), weight loss (32%), and diarrhea (32%), which were primarily grade 1 or 2. The most common grade 3 or 4 AEs were hematologic, particularly thrombocytopenia (45%). Single-agent selinexor showed modest efficacy with an objective response rate (ORR) of 4% and clinical benefit rate of 21%. In contrast, the addition of dexamethasone increased the ORR with all responses of >=partial response occurring in the 45 mg/m2 selinexor plus 20 mg dexamethasone twice weekly cohort (ORR = 50%). Furthermore, 46% of all patients showed a reduction in MM markers from baseline. Based on these findings, we conclude that selinexor in combination with dexamethasone is active in heavily pretreated MM and propose a RP2D of 45 mg/m2 (80 mg) plus 20 mg dexamethasone given twice weekly. This trial was registered at clinicaltrials.gov as #NCT01607892. PMID- 29203586 TI - COOH-terminal SAA1 peptides fail to induce chemokines but synergize with CXCL8 and CCL3 to recruit leukocytes via FPR2. AB - A natural leukocyte chemoattractant was isolated from bovine serum by an established four-step purification procedure. Based on its relative molecular mass of 7287 and NH2-terminal sequence, the protein was identified as a carboxy terminal peptide of the acute phase protein serum amyloid A (SAA) 1. This SAA1(46 112) fragment and its human equivalent SAA1(47-104) were chemically synthesized. Unlike intact SAA1alpha, these SAA fragments failed to directly chemoattract neutrophils and monocytes, to induce chemokines and to stimulate downstream ERK signaling in monocytes. However, the SAA fragments potently synergized with CCL3 to induce monocyte migration and with CXCL8 to stimulate neutrophil shape change and chemotaxis. Unlike intact SAA1alpha, SAA1(46-112) did not induce CXCL6 ex vivo, but provoked a cooperative intraperitoneal neutrophil recruitment in mice when co-injected with CXCL6 into the peritoneal cavity. Moreover, SAA1(47-104) desensitized the synergy between intact SAA1alpha and CXCL8 in neutrophil chemotaxis, suggesting that this peptide binds formyl peptide receptor (FPR) 2. This was evidenced by a complete blockade of synergy between the COOH-terminal SAA1 fragments and CXCL8 or CCL3 in neutrophil and monocyte chemotaxis, respectively, by the FPR2 antagonist WRW4 Thus, SAA1 is degraded into fragments lacking chemokine-inducing capacity, whilst keeping synergy with cytokine-induced chemokines to sustain limited inflammation. PMID- 29203584 TI - Fc-independent immune thrombocytopenia via mechanomolecular signaling in platelets. AB - Immune thrombocytopenia (ITP) is a prevalent autoimmune disease characterized by autoantibody-induced platelet clearance. Some ITP patients are refractory to standard immunosuppressive treatments such as intravenous immunoglobulin (IVIg). These patients often have autoantibodies that target the ligand-binding domain (LBD) of glycoprotein Ibalpha (GPIbalpha), a major subunit of the platelet mechanoreceptor complex GPIb-IX. However, the molecular mechanism of this Fc independent platelet clearance is not clear. Here, we report that many anti-LBD monoclonal antibodies such as 6B4, but not AK2, activated GPIb-IX in a shear dependent manner and induced IVIg-resistant platelet clearance in mice. Single molecule optical tweezer measurements of antibodies pulling on full-length GPIb IX demonstrated that the unbinding force needed to dissociate 6B4 from the LBD far exceeds the force required to unfold the juxtamembrane mechanosensory domain (MSD) in GPIbalpha, unlike the AK2-LBD unbinding force. Binding of 6B4, not AK2, induced shear-dependent unfolding of the MSD on the platelet, as evidenced by increased exposure of a linear sequence therein. Imaging flow cytometry and aggregometry measurements of platelets and LBD-coated platelet-mimetic beads revealed that 6B4 can sustain crosslinking of platelets under shear, whereas 6B4 Fab and AK2 cannot. These results suggest a novel mechanism by which anti-LBD antibodies can exert a pulling force on GPIb-IX via platelet crosslinking, activating GPIb-IX by unfolding its MSD and inducing Fc-independent platelet clearance. PMID- 29203587 TI - NAMPT Is a Potent Oncogene in Colon Cancer Progression that Modulates Cancer Stem Cell Properties and Resistance to Therapy through Sirt1 and PARP. AB - Purpose: Colorectal cancer is the second most common cancer in women and the third most common in men worldwide. However, despite current progress, many patients with advanced and metastatic tumors still die from the malignancy. Refractory disease often relies on nicotinamide adenine dinucleotide (NAD) dependent mechanisms. NAD metabolism and a stable NAD regeneration circuit are required to maintain tissue homeostasis and metabolism. However, high levels of NAD confer therapy resistance to tumors.Experimental Design: Ectopic overexpression of nicotinamide phosphoribosil transferase (NAMPT) and shRNAs in colorectal cancer cell lines, tumorigenic and stemness properties and transcription measurement in culture and in vivo Transcriptional analysis in public databases. Therapeutic approaches.Results: NAMPT, the rate-limiting enzyme responsible for the highest source of physiologic NAD biosynthesis, increases tumorigenic properties and induces cancer stem cell-like properties through pathways that control stem cell signaling, thus enriching the cancer-initiating cell (CIC) population. Furthermore, NAMPT expression correlated with high levels of CIC-like cells in colon tumors directly extracted from patients, and transcription meta-analysis revealed that NAMPT is also a key factor that induces cancer stem pathways in colorectal cancer tumors. This effect is mediated by PARP and SIRT1. In addition, we report a novel NAMPT-driven signature that stratifies prognosis from high to low expression groups. The NAMPT signature contained SIRT1 and PARP1 levels as well as other cancer stem cell-related genes. Finally, NAMPT inhibition increased the sensitivity to apoptosis in both NAMPT-expressing cells and tumorspheres.Conclusions: NAMPT represents a novel therapeutic target in colon cancer progression and relapse, particularly the CIC subset of human colon cancers. Clin Cancer Res; 24(5); 1202-15. (c)2017 AACR. PMID- 29203588 TI - Spatially Resolved and Quantitative Analysis of VISTA/PD-1H as a Novel Immunotherapy Target in Human Non-Small Cell Lung Cancer. AB - Purpose: Determine the localized expression pattern and clinical significance of VISTA/PD-1H in human non-small cell lung cancer (NSCLC).Experimental Design: Using multiplex quantitative immunofluorescence (QIF), we performed localized measurements of VISTA, PD-1, and PD-L1 protein in 758 stage I-IV NSCLCs from 3 independent cohorts represented in tissue microarray format. The targets were selectively measured in cytokeratin+ tumor epithelial cells, CD3+ T cells, CD4+ T helper cells, CD8+ cytotoxic T cells, CD20+ B lymphocytes and CD68+ tumor associated macrophages. We determined the association between the targets, clinicopathological/molecular variables and survival. Genomic analyses of lung cancer cases from TCGA were also performed.Results: VISTA protein was detected in 99% of NSCLCs with a predominant membranous/cytoplasmic staining pattern. Expression in tumor and stromal cells was seen in 21% and 98% of cases, respectively. The levels of VISTA were positively associated with PD-L1, PD-1, CD8+ T cells and CD68+ macrophages. VISTA expression was higher in T-lymphocytes than in macrophages; and in cytotoxic T cells than in T-helper cells. Elevated VISTA was associated with absence of EGFR mutations and lower mutational burden in lung adenocarcinomas. Presence of VISTA in tumor compartment predicted longer 5-year survival.Conclusions: VISTA is frequently expressed in human NSCLC and shows association with increased tumor-infiltrating lymphocytes, PD-1 axis markers, specific genomic alterations and outcome. These results support the immunomodulatory role of VISTA in human NSCLC and suggests its potential as therapeutic target. Clin Cancer Res; 24(7); 1562-73. (c)2017 AACR. PMID- 29203589 TI - Lymph Node Metastases in Colon Cancer Are Polyclonal. AB - Purpose: Recent studies have highlighted the existence of subclones in tumors. Lymph nodes are generally the first location of metastasis for most solid epithelial tumors, including colorectal cancer. We sought to understand the genetic origin of lymph node metastasis in colorectal cancer by evaluating the relationship between colorectal cancer subclones present in primary tumors and lymph nodes.Experimental Design: A total of 33 samples from seven colorectal cancers, including two or three spatially disparate regions from each primary tumor and one to four matched lymph nodes for each tumor, underwent next generation whole-exome DNA sequencing, Affymetrix OncoScan SNP arrays, and targeted deep confirmatory sequencing. We performed mapping between SNPs and copy number events from the primary tumor and matched lymph node samples, allowing us to profile heterogeneity and the mutational origin of lymph node metastases. The computational method PyClone was used to define subclones within each tumor. The method Clonality Inference in Tumors Using Phylogeny (CITUP) was subsequently used to infer phylogenetic relationships among subclones.Results: We found that there was substantial heterogeneity in mutations and copy number changes among all samples from any given patient. For each patient, the primary tumor regions and matched lymph node metastases were each polyclonal, and the clonal populations differed from one lymph node to another. In some patients, the cancer cell populations in a given lymph node originated from multiple distinct regions of a tumor.Conclusions: Our data support a model of lymph node metastatic spread in colorectal cancer whereby metastases originate from multiple waves of seeding from the primary tumor over time. Clin Cancer Res; 24(9); 2214-24. (c)2017 AACRSee related commentary by Gerlinger, p. 2032. PMID- 29203590 TI - A First-in-Human Phase I Study of Subcutaneous Outpatient Recombinant Human IL15 (rhIL15) in Adults with Advanced Solid Tumors. AB - Purpose: Preclinical data established IL15 as a homeostatic factor and powerful stimulator of NK and CD8+ T-cell function, the basis for clinical testing.Experimental Design: A first-in-human outpatient phase I dose escalation trial of subcutaneous (SC) rhIL15 was conducted in refractory solid tumor cancer patients. Therapy consisted of daily (Monday-Friday) subcutaneous injections of rhIL15 for two consecutive weeks (10 total doses/cycle). Clinical response was assessed by RECIST. Pharmacokinetics of rhIL15 and immune biomarkers were evaluated.Results: Nineteen patients were treated with rhIL15 at dose levels of 0.25, 0.5, 1, 2, and 3 mcg/kg/day. Fourteen patients completed >= 2 cycles of therapy that was well tolerated. One serious adverse event (SAE), grade 2 pancreatitis, required overnight hospitalization. Enrollment was halted after a patient receiving 3 mcg/kg/day developed a dose-limiting SAE of grade 3 cardiac chest pain associated with hypotension and increased troponin. No objective responses were observed; however, several patients had disease stabilization including a renal cell carcinoma patient who continued protocol treatment for 2 years. The treatment induced profound expansion of circulating NK cells, especially among the CD56bright subset. A proportional but less dramatic increase was found among circulating CD8+ T cells with maximal 3-fold expansion for the 2 and 3 mcg/kg patients.Conclusions: SC rhIL15 treatment was well tolerated, producing substantial increases in circulating NK and CD8+ T cells. This protocol establishes a safe outpatient SC rhIL15 regimen of 2 mcg/kg/day dosing amenable to self-injection and with potential as a combination immunotherapeutic agent. Clin Cancer Res; 24(7); 1525-35. (c)2017 AACR. PMID- 29203591 TI - Redundant let-7a suppresses the immunomodulatory properties of BMSCs by inhibiting the Fas/FasL system in osteoporosis. AB - Bone marrow-derived mesenchymal stem cell (BMSC) cytotherapy has emerged as a promising treatment strategy for refractory immune diseases; however, the influence of the pathologic conditions of donors on the immunomodulatory properties of BMSCs is still poorly understand. Here, we found that BMSCs that were derived from donors with osteoporosis were ineffective as cytotherapy for patients with experimental colitis and graft- vs.-host disease (GVHD). In vivo and in vitro assays revealed that the capacity of osteoporotic BMSCs to induce T cell apoptosis declined as a result of decreased Fas and FasL protein. Additional analysis revealed that let-7a, a microRNA induced by TNF-alpha in osteoporosis, inhibited the expression of the Fas/FasL system via post-transcriptional regulation. By knocking down let-7a expression, we successfully recovered the immunosuppressive capacity of osteoporotic BMSCs and improved their therapy for experimental colitis and GVHD. Taken together, our study demonstrates that the immunomodulatory properties of BMSCs are suppressed in osteoporosis and illustrates the molecular mechanism that underlies this suppression. These findings might have important implications for the development of targeted strategies to improve BMSC cytotherapy.-Liao, L., Yu, Y., Shao, B., Su, X., Wang, H., Kuang, H., Jing, H., Shuai, Y., Yang, D., Jin, Y. Redundant let-7a suppresses the immunomodulatory properties of BMSCs by inhibiting the Fas/FasL system in osteoporosis. PMID- 29203593 TI - Loss of p53 compensates osteopenia in murine Mysm1 deficiency. AB - Histone modifications critically contribute to the epigenetic orchestration of bone homeostasis-in part, by modifying the access of transcription factors to specific genes involved in the osteogenic differentiation process of bone marrow mesenchymal stem cells (MSCs) and osteoblasts. Based on our previous finding that histone H2A deubiquitinase 2A-DUB/Mysm1 interacts with the p53 axis in hematopoiesis and tissue development, we analyzed the molecular basis of the skeletal phenotype of Mysm1-deficient mice and dissected the underlying p53 dependent and -independent mechanisms. Visible morphologic, skeletal deformations of young Mysm1-deficient mice-including a kinked and truncated tail and shortened long bones-were associated with osteopenia of long bones. On the cellular level, Mysm1-deficient primary osteoblasts displayed reduced potential to differentiate into mature osteoblasts, as indicated by decreased expression of osteogenic markers. Reduced osteogenic differentiation capacity of Mysm1-deficient osteoblasts was accompanied by an impaired induction of osteogenic transcription factor Runx2. Osteogenic differentiation of Mysm1-/- MSCs, however, was not compromised in vitro. In line with defective hematopoietic development of Mysm1 deficient mice, Mysm1-/- osteoclasts had reduced resorption activity and were more prone to apoptosis in TUNEL assays. Skeletal alterations and osteopenia of Mysm1-deficient mice were phenotypically completely rescued by simultaneous ablation of p53 in p53-/-Mysm1-/- double-deficient mice-although p53 deficiency did not restore Runx2 expression in Mysm1-/- osteoblasts on the molecular level but, instead, enhanced proliferation and osteogenic differentiation of MSCs. In summary, our results demonstrate novel roles for Mysm1 in osteoblast differentiation and osteoclast formation, resulting in osteopenia in Mysm1 deficient mice that could be abrogated by the loss of p53 from increased osteogenic differentiation of Mysm1-/-p53-/- MSCs.-Haffner-Luntzer, M., Kovtun, A., Fischer, V., Prystaz, K., Hainzl, A., Kroeger, C. M., Krikki, I., Brinker, T. J., Ignatius, A., Gatzka, M. Loss of p53 compensates osteopenia in murine Mysm1 deficiency. PMID- 29203592 TI - Correction of GSK3beta at young age prevents muscle pathology in mice with myotonic dystrophy type 1. AB - Myotonic dystrophy type 1 (DM1) is a progressive neuromuscular disease caused by expanded CUG repeats, which misregulate RNA metabolism through several RNA binding proteins, including CUG-binding protein/CUGBP1 elav-like factor 1 (CUGBP1/CELF1) and muscleblind 1 protein. Mutant CUG repeats elevate CUGBP1 and alter CUGBP1 activity via a glycogen synthase kinase 3beta (GSK3beta)-cyclin D3 cyclin D-dependent kinase 4 (CDK4) signaling pathway. Inhibition of GSK3beta corrects abnormal activity of CUGBP1 in DM1 mice [human skeletal actin mRNA, containing long repeats ( HSALR) model]. Here, we show that the inhibition of GSK3beta in young HSALR mice prevents development of DM1 muscle pathology. Skeletal muscle in 1-yr-old HSALR mice, treated at 1.5 mo for 6 wk with the inhibitors of GSK3, exhibits high fiber density, corrected atrophy, normal fiber size, with reduced central nuclei and normalized grip strength. Because CUG GSK3beta-cyclin D3-CDK4 converts the active form of CUGBP1 into a form of translational repressor, we examined the contribution of CUGBP1 in myogenesis using Celf1 knockout mice. We found that a loss of CUGBP1 disrupts myogenesis, affecting genes that regulate differentiation and the extracellular matrix. Proteins of those pathways are also misregulated in young HSALR mice and in muscle biopsies of patients with congenital DM1. These findings suggest that the correction of GSK3beta-CUGBP1 pathway in young HSALR mice might have a positive effect on the myogenesis over time.-Wei, C., Stock, L., Valanejad, L., Zalewski, Z. A., Karns, R., Puymirat, J., Nelson, D., Witte, D., Woodgett, J., Timchenko, N. A., Timchenko, L. Correction of GSK3beta at young age prevents muscle pathology in mice with myotonic dystrophy type 1. PMID- 29203595 TI - Increased Mortality and Health Risk Behaviors of Midlife White North Carolinians: A Marked Contrast to Nonwhites. AB - BACKGROUND Death rates for white, middle-aged Americans are increasing after decades of steady decline. In this paper, mortality and health behavior trends are examined for midlife North Carolinians.METHODS Mortality rates were calculated for midlife whites from 2000 to 2013 for the state as a whole and in counties grouped by level of economic distress. Trend lines were used to estimate future death rates, and comparisons were made to rates for nonwhites. Current and past health risk behaviors were also analyzed.RESULTS The all-cause mortality rate for midlife whites in North Carolina was higher than the 2000 base in 11 of 13 years; white midlife mortality increased by 5.9%. In contrast, nonwhite mortality decreased by 30.6%. By 2020, midlife mortality for whites is predicted to increase by 9.1%; for nonwhites, there is a predicted decrease of 47.2%. Midlife white mortality increased most in economically distressed counties. Major contributors were suicide and liver disease. Risk factors that increased were drinking, obesity, and lack of health insurance.LIMITATIONS Mortality and risk factor data could not be analayzed by ethnicity. Deaths due to drug and alcohol poisoning were not included.CONCLUSIONS The statewide mortality rate for midlife whites in North Carolina is increasing and is in marked contrast to the decreasing rate for nonwhites. The racial disparity in this metric is likely to be eliminated by 2020, perhaps even reversed. Midlife white mortality increased most dramatically in the state's poorest counties. Policymakers should consider links between economic issues and health behaviors involved in midlife mortality and why they may affect whites and nonwhites differently. PMID- 29203596 TI - Policy Forum. More than Just a Pretty Smile. PMID- 29203594 TI - Responding to a Community's Concern: A Comparison of Breast Cancer Characteristics and Initial Treatment in Three Selected North Carolina Counties. AB - BACKGROUND A 2007 national report identified North Carolina's Edgecombe County as having among the highest breast cancer incidence and mortality rates nationally, motivating the initiation of a task force and other local efforts to address the problem. The goal of this study is to examine county breast cancer characteristics before and after the report, including whether geographic variation may mask racial disparities in this majority African American community.METHOD With guidance from community partners, breast cancer cases from 2000 to 2012 in Edgecombe, Nash, and Orange Counties (N = 2,641) were obtained from the North Carolina Central Cancer Registry. Bivariate and trend analyses of tumor and treatment characteristics were examined by county and race.RESULTS Women in Edgecombe and Nash Counties were diagnosed with more advanced stage, higher grade tumors. African Americans in Edgecombe and Nash Counties were diagnosed with advanced disease more often than African Americans in Orange County. Average time-to-treatment was well within guideline recommendations. Incidence and mortality rates appear to have declined, with variation in measures of racial differences over time.LIMITATIONS Changes in coding standards across the observation period required reliance on coarse measures that may partially mute useful findings.CONCLUSIONS Racial disparities remain a concern in North Carolina; however, they appear to be less profound than in the 2007 national report. The portentous statistics in the report represent an all-time high, after which some, but not all, measures reflect positive change amidst ongoing local efforts to improve breast cancer knowledge and care. PMID- 29203597 TI - Perspectives on Innovations in Oral Health Care. AB - A downward trend in dental caries in permanent teeth of children that began in the 1970s has leveled out at historic lows. Severe periodontal disease affects a small percentage of people, and tooth loss has plummeted so that complete tooth loss, once a common occurrence, now is almost non-existent in upper socioeconomic groups. But not all people have benefited equally from these positive trends. Dental problems continue to affect the disadvantaged in society at unacceptable rates, and their disease burden is likely to increase because of trends in social determinants of oral diseases.Personal dental care alone usually is unable to provide a sufficient buffer against these risks to maintain adequate oral health. Extensive disease in young children too often requires treatment in the hospital with a high chance of relapse. A national health goal is to "achieve health equity, eliminate disparities, and improve the health of all groups." Achieving this goal in oral health requires that things be done differently.This issue of the North Carolina Medical Journal highlights several approaches being tried here in North Carolina and elsewhere to address oral health problems. Initiatives fall into 4 categories: advocacy, workforce policies, integration of oral health and primary care, and the medical management of caries. PMID- 29203598 TI - Community Dental Health Coordinators: Cultural "Connectors" for Oral Health. AB - The American Dental Association's Community Dental Health Coordinator program was designed to teach community health worker skills to dental auxiliaries. Case management, a valued skill utilized by medical providers, is largely unknown in the dental profession. When case management is incorporated into a dental professional's practice, prevention becomes amplified, leading to decreased costs and increased access. PMID- 29203599 TI - A Commentary on Pediatric Oral Health in North Carolina. AB - Pediatric oral health care in North Carolina has taken a unique path to its current form and will require similar innovation to counter headwinds to its continued success. This commentary describes that path and attempts to set a vision and strategy for the future that leverages Community Care of North Carolina's infrastructure and continues to promote the expansion of clinical guidelines for pediatric preventive oral health care for vulnerable populations. PMID- 29203600 TI - Highlights of North Carolina Oral Health Section's 2015-2016 Kindergarten Assessment Data. PMID- 29203601 TI - Why an Equity Lens is Essential for Achieving Oral Health for All: Exploring Collaboration as a Path to Systems Change. AB - To overcome persistent disparities in oral health access and status, it is vital we adopt a paradigm shift from addressing symptoms to also addressing root causes. This article delineates why an equity lens and a collaborative systems change approach are essential elements. PMID- 29203602 TI - A New Way to Measure Geographic Access to Dentists in North Carolina. PMID- 29203603 TI - Silver Diamine Fluoride: Changing the Caries Management Paradigm and Potential Societal Impact. AB - Silver diamine fluoride is a topically-applied agent for managing dental caries. It stops caries lesion progression, turning them black and hard in a high percentage of cases. Populations including pediatric, geriatric, special health care needs, and those with limited access to oral health care can all benefit from silver diamine fluoride. This commentary addresses some of the many questions that have arisen with the availability of SDF and marked gaps in our knowledge. PMID- 29203604 TI - The Journey to Improving Access to Dental Services for Individuals in Assisted Living Facilities Across North Carolina. AB - Access to oral health services for individuals within assisted living facilities had never been investigated on a statewide level. This commentary provides an overview of this issue and discusses a recent statewide surveillance survey that can help improve outcomes and access to dental services for residents of assisted living facilities. PMID- 29203606 TI - Integrating Oral Health and Primary Care in the Changing Health Care Landscape. AB - The bi-directional relationship among oral health and other systemic diseases and conditions provides a strong rationale for integration of oral health and primary care practice. Patient care services may be coordinated across different times, places, and professional disciplines to provide a team approach to care for overall health. PMID- 29203605 TI - Integrating Oral Health Care Services Within Medicare. AB - The idea of a Medicare oral health benefit is attracting attention. Models for care that focus on screening, prevention, and early intervention have been developed. East Carolina University's Community Service Learning Centers are well positioned to work with community partners to extend care to older adults in rural areas. PMID- 29203607 TI - Connecting Oral and Physical Health via the Health Information Exchange. AB - In 2015 North Carolina passed the Health Information Exchange Act, which mandates that all providers who receive state funds for the provision of health care services must connect and submit patient clinical and demographic data to the state-designated health information exchange by certain dates in 2018 and 2019. This article explains the statute and the benefits of health information exchange to support better oral health care. PMID- 29203608 TI - The Critical Role Youth Play in Addressing Oral Health Inequities. PMID- 29203609 TI - Running the Numbers: Oral Health Trends from the North Carolina Behavioral Risk Factor Surveillance System, 2012-2016. PMID- 29203610 TI - Philanthropy Profile: Working Together for Oral Health in the Carolinas. PMID- 29203611 TI - NCIOM Issue Brief: Metrics to Drive Improvements in Health October 2017. PMID- 29203612 TI - The Danger of Carbon Monoxide Poisoning Associated with Hookah Use: An Emergency Physician's Perspective. PMID- 29203613 TI - Nfe2l1-silenced insulinoma cells acquire aggressiveness and chemoresistance. AB - The transcription factor nuclear factor erythroid 2-like 1 (NFE2L1 or NRF1) is involved in various critical cell processes such as maintenance of ubiquitin proteasome system and regulation of the cellular antioxidant response. We previously determined that pancreatic beta-cell-specific Nfe2l1-knockout mice had hyperinsulinemia and that silencing of Nfe2l1 in mouse islets or MIN6 insulinoma beta-cells induced elevated basal insulin release and altered glucose metabolism. Hypoglycemia is a major issue with aggressive insulinomas, although a role of NFE2L1 in this pathology is not defined. In the present work, we studied the tumorigenicity of Nfe2l1-deficient insulinoma MIN6 cells (Nfe2l1-KD) and sensitivity to chemotherapy. Nfe2l1-KD cells grew faster and were more aggressive than Scramble cells in vitro In a mouse allograft transplantation model, insulinomas arising from Nfe2l1-KD cells were more aggressive and chemoresistant. The conclusion was amplified using streptozotocin (STZ) administration in an allograft transplantation model in diabetic Akita background mice. Furthermore, Nfe2l1-KD cells were resistant to damage by the chemotherapeutic drugs STZ and 5 fluorouracil, which was linked to binding of hexokinase 1 with mitochondria, enhanced mitochondrial membrane potential and closed mitochondrial potential transition pore. Overall, both in vitro and in vivo data from Nfe2l1-KD insulinoma cells provided evidence of a previously un-appreciated action of NFE2L1 in suppression of tumorigenesis. Nfe2l1 silencing desensitizes insulinoma cells and derived tumors to chemotherapeutic-induced damage, likely via metabolic reprograming. These data indicate that NFE2L1 could potentially play an important role in the carcinogenic process and impact chemosensitivity, at least within a subset of pancreatic endocrine tumors. PMID- 29203614 TI - Copy number profiling of oncogenes in ductal carcinoma in situ of the male breast. AB - Characterizing male breast cancer (BC) and unraveling male breast carcinogenesis is challenging because of the rarity of this disease. We investigated copy number status of 22 BC-related genes in 18 cases of pure ductal carcinoma in situ (DCIS) and in 49 cases of invasive carcinoma (IC) with adjacent DCIS (DCIS-AIC) in males using multiplex ligation-dependent probe amplification (MLPA). Results were compared to female BC and correlated with survival. Overall, copy number ratio and aberration frequency including all 22 genes showed no significant difference between the 3 groups. Individual unpaired analysis revealed a significantly higher MTDH copy number ratio in IC compared to DCIS-AIC and pure DCIS (P = 0.009 and P = 0.038, respectively). ADAM9 showed a significantly lower copy number aberration frequency in male BC, compared to female BC (P = 0.020). In DCIS-AIC, MTDH, CPD, CDC6 and TOP2A showed a lower frequency of copy number increase in males compared to females (P < 0.001 for all 4 genes). In IC, CPD gain and CCNE1 gain were independent predictors of poor overall survival. In conclusion, male DCIS and IC showed a similar copy number profile for 21 out of 22 interrogated BC related genes, illustrating their clonal relation and the genetically advanced state of male DCIS. MTDH showed a higher copy number ratio in IC compared to adjacent and pure DCIS and may therefore play a role in male breast carcinogenesis. Differences were detected between male and female DCIS for 4 genes pointing to differences in breast carcinogenesis between the sexes. PMID- 29203615 TI - Charting age-associated cognitive decline. PMID- 29203616 TI - Validation and diagnostic accuracy of predictive curves for age-associated longitudinal cognitive decline in older adults. AB - BACKGROUND: The Mini-Mental State Examination continues to be used frequently to screen for cognitive impairment in older adults, but it remains unclear how to interpret changes in its score over time to distinguish age-associated cognitive decline from an early degenerative process. We aimed to generate cognitive charts for use in clinical practice for longitudinal evaluation of age-associated cognitive decline. METHODS: We used data from the Canadian Study of Health and Aging from 7569 participants aged 65 years or older who completed a Mini-Mental State Examination at baseline, and at 5 and 10 years later to develop a linear regression model for the Mini-Mental State Examination score as a function of age and education. Based on this model, we generated cognitive charts designed to optimize accuracy for distinguishing participants with dementia from healthy controls. We validated our model using a separate data set of 6501 participants from the National Alzheimer's Coordinating Center's Uniform Data Set. RESULTS: For baseline measurement, the cognitive charts had a sensitivity of 80% (95% confidence interval [CI] 75% to 84%) and a specificity of 89% (95% CI 88% to 90%) for distinguishing healthy controls from participants with dementia. Similar sensitivities and specificities were observed for a decline over time greater than 1 percentile zone from the first measurement. Results in the validation sample were comparable, albeit with lower sensitivities. Negative predictive value was 99%. INTERPRETATION: Our innovative model, which factors in age and education, showed validity and diagnostic accuracy for determining whether older patients show abnormal performance on serial Mini-Mental State Examination measurements. Similar to growth curves used in pediatrics, cognitive charts allow longitudinal cognitive evaluation and enable prompt initiation of investigation and treatment when appropriate. PMID- 29203619 TI - Majocchi granuloma in a 58-year-old man with treatment-resistant annular scaling plaque. PMID- 29203618 TI - Congenitally transmitted Chagas disease in Canada: a family cluster. PMID- 29203617 TI - Diagnosis and treatment of obstructive sleep apnea in adults. PMID- 29203620 TI - Could changes in pharmacotherapy peripregnancy contribute to the shift in means of suicide? PMID- 29203621 TI - Mental health care and suicide in pregnancy and postpartum. PMID- 29203622 TI - Quebec medical schools slow to adopt pass/fail system. PMID- 29203623 TI - Postsecondary campuses responding to record anxiety and depression levels. PMID- 29203624 TI - Quebec grants health minister power to impose duties on doctors. PMID- 29203626 TI - Exaggerated Sympathetic Neurovascular Transduction as a Mechanism of Neurogenic Hypertension: It Is Not All About Activity. PMID- 29203625 TI - Fetal Microsatellite in the Heme Oxygenase 1 Promoter Is Associated With Severe and Early-Onset Preeclampsia. AB - Preeclampsia is a vascular pregnancy disorder that often involves impaired placental development. HO-1 (heme oxygenase 1, encoded by HMOX1) is a stress response enzyme crucial for endothelial and placental function. Long version of the guanine-thymine (GTn) microsatellite in the HMOX1 promoter decreases HO-1 expression, and the long maternal repeat is associated with late-onset preeclampsia. Our aim was to study whether the length of fetal repeat is associated with mother's preeclampsia, whether the length of fetal and maternal repeats affect HO-1 levels in placenta and maternal serum, and whether HO-1 levels are altered in preeclampsia. We genotyped the repeat in the cord blood of 609 preeclamptic and 745 nonpreeclamptic neonates. HO-1 levels were measured in 36 placental samples, and in the first (222 cases/243 controls) and third (176 cases/53 controls) pregnancy trimester serum samples using enzyme-linked immunosorbent assay. The long fetal GTn repeat was associated with preeclampsia and its severe and early-onset subtypes. Interaction analysis suggested the maternal and fetal effects to be independent. Placental or serum HO-1 levels were not altered in preeclamptics, possibly reflecting heterogeneity of preeclampsia. Carriers of the long fetal and maternal repeats had lower placental and serum HO 1 levels, respectively, providing functional evidence for the association. We conclude that the long fetal GTn repeat may increase mother's risk for especially severe and early-onset preeclampsia. The fetal and maternal risk alleles likely predispose to different disease subtypes. PMID- 29203627 TI - Favorable Vascular Actions of Angiotensin-(1-7) in Human Obesity. AB - Obese patients have vascular dysfunction related to impaired insulin-stimulated vasodilation and increased endothelin-1-mediated vasoconstriction. In contrast to the harmful vascular actions of angiotensin (Ang) II, the angiotensin-converting enzyme 2 product Ang-(1-7) has shown to exert cardiovascular and metabolic benefits in experimental models through stimulation of the Mas receptor. We, therefore, examined the effects of exogenous Ang-(1-7) on vasodilator tone and endothelin-1-dependent vasoconstriction in obese patients. Intra-arterial infusion of Ang-(1-7) (10 nmol/min) resulted in significant increase in unstimulated forearm flow (P=0.03), an effect that was not affected by the Mas receptor antagonist A779 (10 nmol/min; P>0.05). In the absence of hyperinsulinemia, however, forearm flow responses to graded doses of acetylcholine and sodium nitroprusside were not different during Ang-(1-7) administration compared with saline (both P>0.05). During infusion of regular insulin (0.15 mU/kg per minute), by contrast, endothelium-dependent vasodilator response to acetylcholine was significantly enhanced by Ang-(1-7) (P=0.04 versus saline), whereas endothelium-independent response to sodium nitroprusside was not modified (P=0.91). Finally, Ang-(1-7) decreased the vasodilator response to endothelin A receptor blockade (BQ-123; 10 nmol/min) compared with saline (6+/-1% versus 93+/-17%; P<0.001); nitric oxide inhibition by l-N-monomethylarginine (4 umol/min) during concurrent endothelin A antagonism resulted in similar vasoconstriction in the absence or presence of Ang-(1-7 Ang-(1-7) (P=0.69). Our findings indicate that in obese patients Ang-(1-7) has favorable effects not only to improve insulin-stimulated endothelium-dependent vasodilation but also to blunt endothelin-1-dependent vasoconstrictor tone. These findings provide support for targeting Ang-(1-7) to counteract the hemodynamic abnormalities of human obesity. PMID- 29203628 TI - Predicting Out-of-Office Blood Pressure in the Clinic for the Diagnosis of Hypertension in Primary Care: An Economic Evaluation. AB - Clinical guidelines in the United States and United Kingdom recommend that individuals with suspected hypertension should have ambulatory blood pressure (BP) monitoring to confirm the diagnosis. This approach reduces misdiagnosis because of white coat hypertension but will not identify people with masked hypertension who may benefit from treatment. The Predicting Out-of-Office Blood Pressure (PROOF-BP) algorithm predicts masked and white coat hypertension based on patient characteristics and clinic BP, improving the accuracy of diagnosis while limiting subsequent ambulatory BP monitoring. This study assessed the cost effectiveness of using this tool in diagnosing hypertension in primary care. A Markov cost-utility cohort model was developed to compare diagnostic strategies: the PROOF-BP approach, including those with clinic BP >=130/80 mm Hg who receive ambulatory BP monitoring as guided by the algorithm, compared with current standard diagnostic strategies including those with clinic BP >=140/90 mm Hg combined with further monitoring (ambulatory BP monitoring as reference, clinic, and home monitoring also assessed). The model adopted a lifetime horizon with a 3 month time cycle, taking a UK Health Service/Personal Social Services perspective. The PROOF-BP algorithm was cost-effective in screening all patients with clinic BP >=130/80 mm Hg compared with current strategies that only screen those with clinic BP >=140/90 mm Hg, provided healthcare providers were willing to pay up to L20 000 ($26 000)/quality-adjusted life year gained. Deterministic and probabilistic sensitivity analyses supported the base-case findings. The PROOF-BP algorithm seems to be cost-effective compared with the conventional BP diagnostic options in primary care. Its use in clinical practice is likely to lead to reduced cardiovascular disease, death, and disability. PMID- 29203630 TI - Angiotensin-(1-7) and Vascular Function: The Clinical Context. PMID- 29203629 TI - Exaggerated Vasoconstriction to Spontaneous Bursts of Muscle Sympathetic Nerve Activity in Healthy Young Black Men. AB - Blacks have the highest prevalence of hypertension, putting them at greater risk of cardiovascular disease and death. Previous studies have reported that, relative to whites, healthy black men have augmented pressor responses to sympathoexcitatory stressors. Although important, these studies do not inform about the resting state and the influence of spontaneous changes in resting muscle sympathetic nerve activity (MSNA). Likewise, little is known about the transduction of MSNA into a vascular response at rest on a beat-to-beat basis. Accordingly, we tested the hypothesis that relative to whites, blacks would exhibit greater vasoconstriction and pressor responses following spontaneous bursts of MSNA. Mean arterial pressure, common femoral artery blood flow, and MSNA were continuously recorded during 20 minutes of supine rest in 35 young healthy men (17 blacks and 18 whites). Signal averaging was used to characterize changes in leg vascular conductance, total vascular conductance, and mean arterial pressure following spontaneous MSNA bursts. Blacks demonstrated significantly greater decreases in leg vascular conductance (blacks: -15.0+/ 1.0%; whites: -11.5+/-1.2%; P=0.042) and total vascular conductance (blacks: 8.6+/-0.9%; whites: -5.1+/-0.4%; P=0.001) following MSNA bursts, which resulted in greater mean arterial pressure increases (blacks: +5.2+/-0.6 mm Hg; whites: +3.9+/-0.3 mm Hg; P=0.04). These exaggerated responses in blacks compared with whites were present whether MSNA bursts occurred in isolation (singles) or in combination (multiples) and were graded with increases in burst height. Collectively, these findings suggest that healthy young black men exhibit augmented sympathetic vascular transduction at rest and provide novel insight into potential mechanism(s) by which this population may develop hypertension later in life. PMID- 29203631 TI - Hyperuricemia: Does It Matter for the Progression From Prehypertension to Hypertension? PMID- 29203633 TI - 'Twitterland': a brave new world? PMID- 29203632 TI - Uric Acid Is a Strong Risk Marker for Developing Hypertension From Prehypertension: A 5-Year Japanese Cohort Study. AB - Prehypertension frequently progresses to hypertension, a condition associated with high morbidity and mortality from cardiovascular diseases and stroke. However, the risk factors for developing hypertension from prehypertension remain poorly understood. We conducted a retrospective cohort study using the data from 3584 prehypertensive Japanese adults (52.1+/-11.0 years, 2081 men) found to be prehypertensive in 2004 and reexamined in 2009. We calculated the cumulative incidences of hypertension over 5 years, examined risk factors, and calculated odds ratios (ORs) for developing hypertension after adjustments for age, sex, body mass index, smoking and drinking habits, baseline systolic and diastolic blood pressure, pulse rate, diabetes mellitus, dyslipidemia, chronic kidney disease, and serum uric acid levels. The additional analysis evaluated whether serum uric acid (hyperuricemia) constituted an independent risk factor for developing hypertension. The cumulative incidence of hypertension from prehypertension over 5 years was 25.3%. There were no significant differences between women and men (24.4% versus 26.0%; P=0.28). The cumulative incidence of hypertension in subjects with hyperuricemia (n=726) was significantly higher than those without hyperuricemia (n=2858; 30.7% versus 24.0%; P<0.001). After multivariable adjustments, the risk factors for developing hypertension from prehypertension were age (OR, 1.023; P<0.001), female sex (OR, 1.595; P<0.001), higher body mass index (OR, 1.051; P<0.001), higher baseline systolic (OR, 1.072; P<0.001) and diastolic blood pressure (OR, 1.085; P<0.001), and higher serum uric acid (OR, 1.149; P<0.001). Increased serum uric acid is a strong risk marker for developing hypertension from prehypertension. Further studies are needed to determine whether treatment of hyperuricemia in prehypertensive subjects could impede the onset of hypertension. PMID- 29203635 TI - Epitranscriptomics and Flowering: mRNA Methylation/Demethylation Regulates Flowering Time. PMID- 29203634 TI - Mediator Complex Subunits MED2, MED5, MED16, and MED23 Genetically Interact in the Regulation of Phenylpropanoid Biosynthesis. AB - The phenylpropanoid pathway is a major global carbon sink and is important for plant fitness and the engineering of bioenergy feedstocks. In Arabidopsis thaliana, disruption of two subunits of the transcriptional regulatory Mediator complex, MED5a and MED5b, results in an increase in phenylpropanoid accumulation. By contrast, the semidominant MED5b mutation reduced epidermal fluorescence4-3 (ref4-3) results in dwarfism and constitutively repressed phenylpropanoid accumulation. Here, we report the results of a forward genetic screen for suppressors of ref4-3. We identified 13 independent lines that restore growth and/or phenylpropanoid accumulation in the ref4-3 background. Two of the suppressors restore growth without restoring soluble phenylpropanoid accumulation, indicating that the growth and metabolic phenotypes of the ref4-3 mutant can be genetically disentangled. Whole-genome sequencing revealed that all but one of the suppressors carry mutations in MED5b or other Mediator subunits. RNA-seq analysis showed that the ref4-3 mutation causes widespread changes in gene expression, including the upregulation of negative regulators of the phenylpropanoid pathway, and that the suppressors reverse many of these changes. Together, our data highlight the interdependence of individual Mediator subunits and provide greater insight into the transcriptional regulation of phenylpropanoid biosynthesis by the Mediator complex. PMID- 29203636 TI - Identification of potential pathogenic genes associated with osteoporosis. AB - OBJECTIVES: Osteoporosis is a chronic disease. The aim of this study was to identify key genes in osteoporosis. METHODS: Microarray data sets GSE56815 and GSE56814, comprising 67 osteoporosis blood samples and 62 control blood samples, were obtained from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were identified in osteoporosis using Limma package (3.2.1) and Meta MA packages. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses were performed to identify biological functions. Furthermore, the transcriptional regulatory network was established between the top 20 DEGs and transcriptional factors using the UCSC ENCODE Genome Browser. Receiver operating characteristic (ROC) analysis was applied to investigate the diagnostic value of several DEGs. RESULTS: A total of 1320 DEGs were obtained, of which 855 were up regulated and 465 were down-regulated. These differentially expressed genes were enriched in Gene Ontology terms and Kyoto Encyclopedia of Genes and Genomes pathways, mainly associated with gene expression and osteoclast differentiation. In the transcriptional regulatory network, there were 6038 interactions pairs involving 88 transcriptional factors. In addition, the quantitative reverse transcriptase-polymerase chain reaction result validated the expression of several genes (VPS35, FCGR2A, TBCA, HIRA, TYROBP, and JUND). Finally, ROC analyses showed that VPS35, HIRA, PHF20 and NFKB2 had a significant diagnostic value for osteoporosis. CONCLUSION: Genes such as VPS35, FCGR2A, TBCA, HIRA, TYROBP, JUND, PHF20, NFKB2, RPL35A and BICD2 may be considered to be potential pathogenic genes of osteoporosis and may be useful for further study of the mechanisms underlying osteoporosis.Cite this article: B. Xia, Y. Li, J. Zhou, B. Tian, L. Feng. Identification of potential pathogenic genes associated with osteoporosis. Bone Joint Res 2017;6:640-648. DOI: 10.1302/2046-3758.612.BJR-2017 0102.R1. PMID- 29203637 TI - Can zinc protect cells from the cytotoxic effects of cobalt ions and nanoparticles derived from metal-on-metal joint arthroplasties? AB - OBJECTIVES: Recently, high failure rates of metal-on-metal (MOM) hip implants have raised concerns of cobalt toxicity. Adverse reactions occur to cobalt nanoparticles (CoNPs) and cobalt ions (Co2+) during wear of MOM hip implants, but the toxic mechanism is not clear. METHODS: To evaluate the protective effect of zinc ions (Zn2+), Balb/3T3 mouse fibroblast cells were pretreated with 50 MUM Zn2+ for four hours. The cells were then exposed to different concentrations of CoNPs and Co2+ for four hours, 24 hours and 48 hours. The cell viabilities, reactive oxygen species (ROS) levels, and inflammatory cytokines were measured. RESULTS: CoNPs and Co2+ can induce the increase of ROS and inflammatory cytokines, such as tumour necrosis factor alpha (TNF-alpha), interleukin-1beta (IL-1beta) and interleukin-6 (IL-6). However, Zn pretreatment can significantly prevent cytotoxicity induced by CoNPs and Co2+, decrease ROS production, and decrease levels of inflammatory cytokines in Balb/3T3 mouse fibroblast cells. CONCLUSION: These results suggest that Zn pretreatment can provide protection against inflammation and cytotoxicity induced by CoNPs and Co2+ in Balb/3T3 cells.Cite this article: Y. Liu, H. Zhu, H. Hong, W. Wang, F. Liu. Can zinc protect cells from the cytotoxic effects of cobalt ions and nanoparticles derived from metal-on-metal joint arthroplasties? Bone Joint Res 2017;6:649-655. DOI: 10.1302/2046-3758.612.BJR-2016-0137.R2. PMID- 29203638 TI - Cytokines in tendon disease: A Systematic Review. AB - OBJECTIVES: Emerging evidence indicates that tendon disease is an active process with inflammation that is critical to disease onset and progression. However, the key cytokines responsible for driving and sustaining inflammation have not been identified. METHODS: We performed a systematic review of the literature using MEDLINE (U.S. National Library of Medicine, Bethesda, Maryland) in March 2017. Studies reporting the expression of interleukins (ILs), tumour necrosis factor alpha (TNF-alpha) and interferon gamma in diseased human tendon tissues, and animal models of tendon injury or exercise in comparison with healthy control tissues were included. RESULTS: IL-1beta, IL-6, IL-10, and TNF-alpha are the cytokines that have been most frequently investigated. In clinical samples of tendinopathy and tendon tears, the expression of TNF-alpha tended not to change but IL-6 increased in tears. Healthy human tendons showed increased IL-6 expression after exercise; however, IL-10 remained unchanged. Animal tendon injury models showed that IL-1beta, IL-6, and TNF-alpha tend to increase from the early phase of tendon healing. In animal exercise studies, IL-1beta expression showed a tendency to increase at the early stage after exercise, but IL-10 expression remained unchanged with exercise. CONCLUSIONS: This review highlights the roles of IL-1beta, IL-6, IL-10, and TNF-alpha in the development of tendon disease, during tendon healing, and in response to exercise. However, there is evidence accumulating that suggests that other cytokines are also contributing to tendon inflammatory processes. Further work with hypothesis-free methods is warranted in order to identify the key cytokines, with subsequent mechanistic and interaction studies to elucidate their roles in tendon disease development.Cite this article: W. Morita, S. G. Dakin, S. J. B. Snelling, A. J. Carr. Cytokines in tendon disease: A Systematic Review. Bone Joint Res 2017;6:656-664. DOI: 10.1302/2046-3758.612.BJR-2017-0112.R1. PMID- 29203639 TI - A Knock-In Tristetraprolin (TTP) Zinc Finger Point Mutation in Mice: Comparison with Complete TTP Deficiency. AB - Tristetraprolin (TTP) is a tandem CCCH zinc finger protein that can bind to AU rich element-containing mRNAs and promote their decay. TTP knockout mice develop a severe inflammatory syndrome, largely due to excess tumor necrosis factor (TNF), whose mRNA is a direct target of TTP binding and destabilization. TTP's RNA binding activity and its ability to promote mRNA decay are lost when one of the zinc-coordinating residues of either zinc finger is mutated. To address several long-standing questions about TTP activity in intact animals, we developed a knock-in mouse with a cysteine-to-arginine mutation within the first zinc finger. Homozygous knock-in mice developed a severe inflammatory syndrome that was essentially identical to that of complete TTP deficiency, suggesting that TTP's critical anti-inflammatory role in mammalian physiology is secondary to its ability to bind RNA. In addition, there was no evidence for a "dominant negative" effect of the mutant allele in heterozygotes, as suggested by previous experiments. Finally, mRNA decay experiments in mutant macrophages demonstrated that TTP can regulate the stability of its own mRNA, albeit to a minor extent. These studies suggest that RNA binding is an essential first step in the physiological activities of members of this protein family. PMID- 29203640 TI - Transforming Growth Factor beta-Induced Proliferative Arrest Mediated by TRIM26 Dependent TAF7 Degradation and Its Antagonism by MYC. AB - Recognition of gene promoters by RNA polymerase II is mediated by general transcription factor IID (TFIID), which has been thought to be a static complex and to play a passive role in the regulation of gene expression under the instruction of gene-specific transcription factors. Here we show that transforming growth factor beta (TGF-beta) induced degradation of the TFIID subunit TAF7 in cultured mouse mammary epithelial cells and that this effect was required for proliferative arrest in response to TGF-beta stimulation. TGF-beta stimulated transcription of the gene for the ubiquitin ligase TRIM26, which was shown to ubiquitylate TAF7 and thereby to target it for proteasomal degradation. Sustained exposure of cells to TGF-beta resulted in recovery from proliferative arrest in association with amplification of the Myc proto-oncogene, with MYC inhibiting TRIM26 induction by TGF-beta. Our data thus show that TFIID is not simply a general mediator of transcription but contributes to the regulation of transcription in response to cell stimulation, playing a key role in the cytostatic function of TGF-beta. PMID- 29203641 TI - Shp2-Mitogen-Activated Protein Kinase Signaling Drives Proliferation during Zebrafish Embryo Caudal Fin Fold Regeneration. AB - Regeneration of the zebrafish caudal fin following amputation occurs through wound healing, followed by formation of a blastema, which produces cells to replace the lost tissue in the final phase of regenerative outgrowth. We show that ptpn11a-/- ptpn11b-/- zebrafish embryos, lacking functional Shp2, fail to regenerate their caudal fin folds. Rescue experiments indicated that Shp2a has a functional signaling role, requiring its catalytic activity and SH2 domains but not the two C-terminal tyrosine phosphorylation sites. Surprisingly, expression of Shp2a variants with increased and reduced catalytic activity, respectively, rescued caudal fin fold regeneration to similar extents. Expression of mmp9 and junbb, indicative of formation of the wound epidermis and distal blastema, respectively, suggested that these processes occurred in ptpn11a-/- ptpn11b-/- zebrafish embryos. However, cell proliferation and MAPK phosphorylation were reduced. Pharmacological inhibition of MEK1 in wild-type zebrafish embryos phenocopied loss of Shp2. Our results suggest an essential role for Shp2a-mitogen activated protein kinase (MAPK) signaling in promoting cell proliferation during zebrafish embryo caudal fin fold regeneration. PMID- 29203642 TI - Nuclear Phosphatidylinositol-Phosphate Type I Kinase alpha-Coupled Star-PAP Polyadenylation Regulates Cell Invasion. AB - Star-PAP, a nuclear phosphatidylinositol (PI) signal-regulated poly(A) polymerase (PAP), couples with type I PI phosphate kinase alpha (PIPKIalpha) and controls gene expression. We show that Star-PAP and PIPKIalpha together regulate 3'-end processing and expression of pre-mRNAs encoding key anti-invasive factors (KISS1R, CDH1, NME1, CDH13, FEZ1, and WIF1) in breast cancer. Consistently, the endogenous Star-PAP level is negatively correlated with the cellular invasiveness of breast cancer cells. While silencing Star-PAP or PIPKIalpha increases cellular invasiveness in low-invasiveness MCF7 cells, Star-PAP overexpression decreases invasiveness in highly invasive MDA-MB-231 cells in a cellular Star-PAP level dependent manner. However, expression of the PIPKIalpha-noninteracting Star-PAP mutant or the phosphodeficient Star-PAP (S6A mutant) has no effect on cellular invasiveness. These results strongly indicate that PIPKIalpha interaction and Star-PAP S6 phosphorylation are required for Star-PAP-mediated regulation of cancer cell invasion and give specificity to target anti-invasive gene expression. Our study establishes Star-PAP-PIPKIalpha-mediated 3'-end processing as a key anti-invasive mechanism in breast cancer. PMID- 29203643 TI - The N-Terminal CCHC Zinc Finger Motif Mediates Homodimerization of Transcription Factor BCL11B. AB - The BCL11B gene encodes a Kruppel-like, sequence-specific zinc finger (ZF) transcription factor that acts as either a repressor or an activator, depending on its posttranslational modifications. The importance of BCL11B in numerous biological processes in multiple organs has been well established in mouse knockout models. The phenotype of the first de novo monoallelic germ line missense mutation in the BCL11B gene (encoding N441K) strongly implies that the mutant protein acts in a dominant-negative manner by neutralizing the unaffected protein through the formation of a nonfunctional dimer. Using a Forster resonance energy transfer-assisted fluorescence-activated cell sorting (FACS-FRET) assay and affinity purification followed by mass spectrometry (AP-MS), we show that the N-terminal CCHC zinc finger motif is necessary and sufficient for the formation of the BCL11B dimer. Mutation of the CCHC ZF in BCL11B abolishes its transcription-regulatory activity. In addition, unlike wild-type BCL11B, this mutant is incapable of inducing cell cycle arrest and protecting against DNA damage-driven apoptosis. Our results confirm the BCL11B dimerization hypothesis and prove its importance for BCL11B function. By mapping the relevant regions to the CCHC domain, we describe a previously unidentified mechanism of transcription factor homodimerization. PMID- 29203644 TI - CITED2 restrains pro-inflammatory macrophage activation and response. AB - Macrophages are strategically distributed in mammalian tissues and play an essential role in priming immune response. However, macrophages need to constantly strike a balance between activation and inhibition state to avoid a futile inflammatory reaction. Herein, we identify the CBP/p300-interacting transactivator with glutamic acid/aspartic acid-rich carboxyl-terminal domain 2 (CITED2) as a potent repressor of macrophage pro-inflammatory activation. Gain- and loss-of-function studies revealed that CITED2 is required for optimal peroxisome proliferator-activated receptor gamma (PPARgamma) activation and attendant select anti-inflammatory gene expression in macrophages. More importantly, deficiency of CITED2 resulted in significant attenuation in rosiglitazone-induced PPARgamma activity, PPARgamma recruitment to target gene promoters and anti-inflammatory target gene expression in macrophages. Interestingly, deficiency of Cited2 strikingly heightened pro-inflammatory gene expression through stabilization of hypoxia-inducible factor 1 alpha (HIF1alpha) protein in macrophages. Further, overexpression of Egln3 or inhibition of HIF1alpha in Cited2-deficient macrophages completely reversed elevated pro inflammatory cytokine/chemokine gene expression. Importantly, mice bearing a myeloid-specific deletion of Cited2 were highly susceptible to endotoxin-induced sepsis symptomatology and mortality. Collectively, our observations identify CITED2 as a novel negative regulator of macrophage pro-inflammatory activation and protect the host from inflammatory insults. PMID- 29203645 TI - Downstream promoter interactions of TFIID TAFs facilitate transcription reinitiation. AB - TFIID binds promoter DNA to recruit RNA polymerase II and other basal factors for transcription. Although the TATA-binding protein (TBP) subunit of TFIID is necessary and sufficient for in vitro transcription, the TBP-associated factor (TAF) subunits recognize downstream promoter elements, act as coactivators, and interact with nucleosomes. In yeast nuclear extracts, transcription induces stable TAF binding to downstream promoter DNA, promoting subsequent activator independent transcription reinitiation. In vivo, promoter responses to TAF mutations correlate with the level of downstream, rather than overall, Taf1 cross linking. We propose a new model in which TAFs function as reinitiation factors, accounting for the differential responses of promoters to various transcription factor mutations. PMID- 29203646 TI - Structural and biochemical characterization of the catalytic domains of GdpP reveals a unified hydrolysis mechanism for the DHH/DHHA1 phosphodiesterase. AB - The Asp-His-His and Asp-His-His-associated (DHH/DHHA1) domain-containing phosphodiesterases (PDEs) that catalyze degradation of cyclic di-adenosine monophosphate (c-di-AMP) could be subdivided into two subfamilies based on the final product [5'-phosphadenylyl-adenosine (5'-pApA) or AMP]. In a previous study, we revealed that Rv2837c, a stand-alone DHH/DHHA1 PDE, employs a 5'-pApA internal flipping mechanism to produce AMPs. However, why the membrane-bound DHH/DHHA1 PDE can only degrade c-di-AMP to 5'-pApA remains obscure. Here, we report the crystal structure of the DHH/DHHA1 domain of GdpP (GdpP-C), and structures in complex with c-di-AMP, cyclic di-guanosine monophosphate (c-di GMP), and 5'-pApA. Structural analysis reveals that GdpP-C binds nucleotide substrates quite differently from how Rv2837c does in terms of substrate-binding position. Accordingly, the nucleotide-binding site of the DHH/DHHA1 PDEs is organized into three (C, G, and R) subsites. For GdpP-C, in the C and G sites c di-AMP binds and degrades into 5'-pApA, and its G site determines nucleotide specificity. To further degrade into AMPs, 5'-pApA must slide into the C and R sites for flipping and hydrolysis as in Rv2837c. Subsequent mutagenesis and enzymatic studies of GdpP-C and Rv2837c uncover the complete flipping process and reveal a unified catalytic mechanism for members of both DHH/DHHA1 PDE subfamilies. PMID- 29203647 TI - Molecular basis for the integration of environmental signals by FurB from Anabaena sp. PCC 7120. AB - FUR (Ferric uptake regulator) proteins are among the most important families of transcriptional regulators in prokaryotes, often behaving as global regulators. In the cyanobacterium Anabaena PCC 7120, FurB (Zur, Zinc uptake regulator) controls zinc and redox homeostasis through the repression of target genes in a zinc-dependent manner. In vitro, non-specific binding of FurB to DNA elicits protection against oxidative damage and avoids cleavage by deoxyribonuclease I. The present study provides, for the first time, evidence of the influence of redox environment in the interaction of FurB with regulatory zinc and its consequences in FurB-DNA-binding affinity. Calorimetry studies showed that, in addition to one structural Zn(II), FurB is able to bind two additional Zn(II) per monomer and demonstrated the implication of cysteine C93 in regulatory Zn(II) coordination. The interaction of FurB with the second regulatory zinc occurred only under reducing conditions. While non-specific FurB-DNA interaction is Zn(II) independent, the optimal binding of FurB to target promoters required loading of two regulatory zinc ions. Those results combined with site-directed mutagenesis and gel-shift assays evidenced that the redox state of cysteine C93 conditions the binding of the second regulatory Zn(II) and, in turn, modulates the affinity for a specific DNA target. Furthermore, differential spectroscopy studies showed that cysteine C93 could also be involved in heme coordination by FurB, either as a direct ligand or being located near the binding site. The results indicate that besides controlling zinc homeostasis, FurB could work as a redox-sensing protein probably modifying its zinc and DNA-binding abilities depending upon environmental conditions. PMID- 29203648 TI - Musical training sharpens and bonds ears and tongue to hear speech better. AB - The idea that musical training improves speech perception in challenging listening environments is appealing and of clinical importance, yet the mechanisms of any such musician advantage are not well specified. Here, using functional magnetic resonance imaging (fMRI), we found that musicians outperformed nonmusicians in identifying syllables at varying signal-to-noise ratios (SNRs), which was associated with stronger activation of the left inferior frontal and right auditory regions in musicians compared with nonmusicians. Moreover, musicians showed greater specificity of phoneme representations in bilateral auditory and speech motor regions (e.g., premotor cortex) at higher SNRs and in the left speech motor regions at lower SNRs, as determined by multivoxel pattern analysis. Musical training also enhanced the intrahemispheric and interhemispheric functional connectivity between auditory and speech motor regions. Our findings suggest that improved speech in noise perception in musicians relies on stronger recruitment of, finer phonological representations in, and stronger functional connectivity between auditory and frontal speech motor cortices in both hemispheres, regions involved in bottom-up spectrotemporal analyses and top-down articulatory prediction and sensorimotor integration, respectively. PMID- 29203649 TI - pH-sensitive vibrational probe reveals a cytoplasmic protonated cluster in bacteriorhodopsin. AB - Infrared spectroscopy has been used in the past to probe the dynamics of internal proton transfer reactions taking place during the functional mechanism of proteins but has remained mostly silent to protonation changes in the aqueous medium. Here, by selectively monitoring vibrational changes of buffer molecules with a temporal resolution of 6 us, we have traced proton release and uptake events in the light-driven proton-pump bacteriorhodopsin and correlate these to other molecular processes within the protein. We demonstrate that two distinct chemical entities contribute to the temporal evolution and spectral shape of the continuum band, an unusually broad band extending from 2,300 to well below 1,700 cm-1 The first contribution corresponds to deprotonation of the proton release complex (PRC), a complex in the extracellular domain of bacteriorhodopsin where an excess proton is shared by a cluster of internal water molecules and/or ionic E194/E204 carboxylic groups. We assign the second component of the continuum band to the proton uptake complex, a cluster with an excess proton reminiscent to the PRC but located in the cytoplasmic domain and possibly stabilized by D38. Our findings refine the current interpretation of the continuum band and call for a reevaluation of the last proton transfer steps in bacteriorhodopsin. PMID- 29203650 TI - Point-of-care device to diagnose and monitor neonatal jaundice in low-resource settings. AB - Newborns are at increased risk of jaundice, a condition in which excess bilirubin accumulates in blood. Left untreated, jaundice can lead to neurological impairment and death. Jaundice resulting from unconjugated hyperbilirubinemia is easily treated with exposure to blue light, and phototherapy systems have been developed for low-resource settings; however, there are no appropriate solutions to diagnose and monitor jaundice in these settings. To address this need we present BiliSpec, a low-cost reader and disposable lateral flow card designed to measure the concentration of total bilirubin from several drops of blood at the point of care. We evaluated the performance of BiliSpec, using blood from normal volunteers spiked with varying amounts of bilirubin; results measured using BiliSpec correlated well with a reference laboratory bilirubinometer (r = 0.996). We then performed a pilot clinical study using BiliSpec to measure total bilirubin in neonates at risk for jaundice at Queen Elizabeth Central Hospital in Blantyre, Malawi. Concentrations measured using BiliSpec correlated well with those measured using a laboratory reference standard in 94 patient samples ranging from 1.1 mg/dL to 23.0 mg/dL in concentration (r = 0.973). The mean difference between bilirubin levels measured with BiliSpec and the reference standard was 0.3 mg/dL (95[Formula: see text] CI: -1.7-2.2 mg/dL). PMID- 29203651 TI - Development and validation of a high-throughput transcriptomic biomarker to address 21st century genetic toxicology needs. AB - Interpretation of positive genotoxicity findings using the current in vitro testing battery is a major challenge to industry and regulatory agencies. These tests, especially mammalian cell assays, have high sensitivity but suffer from low specificity, leading to high rates of irrelevant positive findings (i.e., positive results in vitro that are not relevant to human cancer hazard). We developed an in vitro transcriptomic biomarker-based approach that provides biological relevance to positive genotoxicity assay data, particularly for in vitro chromosome damage assays, and propose its application for assessing the relevance of the in vitro positive results to carcinogenic hazard. The transcriptomic biomarker TGx-DDI (previously known as TGx-28.65) readily distinguishes DNA damage-inducing (DDI) agents from non-DDI agents. In this study, we demonstrated the ability of the biomarker to classify 45 test agents across a broad set of chemical classes as DDI or non-DDI. Furthermore, we assessed the biomarker's utility in derisking known irrelevant positive agents and evaluated its performance across analytical platforms. We correctly classified 90% (9 of 10) of chemicals with irrelevant positive findings in in vitro chromosome damage assays as negative. We developed a standardized experimental and analytical protocol for our transcriptomics biomarker, as well as an enhanced application of TGx-DDI for high-throughput cell-based genotoxicity testing using nCounter technology. This biomarker can be integrated in genetic hazard assessment as a follow-up to positive chromosome damage findings. In addition, we propose how it might be used in chemical screening and assessment. This approach offers an opportunity to significantly improve risk assessment and reduce cost. PMID- 29203652 TI - Divergence of regulatory networks governed by the orthologous transcription factors FLC and PEP1 in Brassicaceae species. AB - Genome-wide landscapes of transcription factor (TF) binding sites (BSs) diverge during evolution, conferring species-specific transcriptional patterns. The rate of divergence varies in different metazoan lineages but has not been widely studied in plants. We identified the BSs and assessed the effects on transcription of FLOWERING LOCUS C (FLC) and PERPETUAL FLOWERING 1 (PEP1), two orthologous MADS-box TFs that repress flowering and confer vernalization requirement in the Brassicaceae species Arabidopsis thaliana and Arabis alpina, respectively. We found that only 14% of their BSs were conserved in both species and that these contained a CArG-box that is recognized by MADS-box TFs. The CArG box consensus at conserved BSs was extended compared with the core motif. By contrast, species-specific BSs usually lacked the CArG-box in the other species. Flowering-time genes were highly overrepresented among conserved targets, and their CArG-boxes were widely conserved among Brassicaceae species. Cold-regulated (COR) genes were also overrepresented among targets, but the cognate BSs and the identity of the regulated genes were usually different in each species. In cold, COR gene transcript levels were increased in flc and pep1-1 mutants compared with WT, and this correlated with reduced growth in pep1-1 Therefore, FLC orthologs regulate a set of conserved target genes mainly involved in reproductive development and were later independently recruited to modulate stress responses in different Brassicaceae lineages. Analysis of TF BSs in these lineages thus distinguishes widely conserved targets representing the core function of the TF from those that were recruited later in evolution. PMID- 29203653 TI - Rapid diagnostic testing platform for iron and vitamin A deficiency. AB - Micronutrient deficiencies such as those of vitamin A and iron affect a third of the world's population with consequences such as night blindness, higher child mortality, anemia, poor pregnancy outcomes, and reduced work capacity. Many efforts to prevent or treat these deficiencies are hampered by the lack of adequate, accessible, and affordable diagnostic methods that can enable better targeting of interventions. In this work, we demonstrate a rapid diagnostic test and mobile enabled platform for simultaneously quantifying iron (ferritin), vitamin A (retinol-binding protein), and inflammation (C-reactive protein) status. Our approach, enabled by combining multiple florescent markers and immunoassay approaches on a single test, allows us to provide accurate quantification in 15 min even though the physiological range of the markers of interest varies over five orders of magnitude. We report sensitivities of 88%, 100%, and 80% and specificities of 97%, 100%, and 97% for iron deficiency (ferritin <15 ng/mL or 32 pmol/L), vitamin A deficiency (retinol-binding protein <14.7 MUg/mL or 0.70 MUmol/L) and inflammation status (C-reactive protein >3.0 MUg/mL or 120 nmol/L), respectively. This technology is suitable for point-of care use in both resource-rich and resource-limited settings and can be read either by a standard laptop computer or through our previously developed NutriPhone technology. If implemented as either a population-level screening or clinical diagnostic tool, we believe this platform can transform nutritional status assessment and monitoring globally. PMID- 29203654 TI - Relationship between season of birth, temperature exposure, and later life wellbeing. AB - We study how exposure to extreme temperatures in early periods of child development is related to adult economic outcomes measured 30 y later. Our analysis uses administrative earnings records for over 12 million individuals born in the United States between 1969 and 1977, linked to fine-scale, daily weather data and location and date of birth. We calculate the length of time each individual is exposed to different temperatures in utero and in early childhood, and we estimate flexible regression models that allow for nonlinearities in the relationship between temperature and long-run outcomes. We find that an extra day with mean temperatures above 32 degrees C in utero and in the first year after birth is associated with a 0.1% reduction in adult annual earnings at age 30. Temperature sensitivity is evident in multiple periods of early development, ranging from the first trimester of gestation to age 6-12 mo. We observe that household air-conditioning adoption, which increased dramatically over the time period studied, mitigates nearly all of the estimated temperature sensitivity. PMID- 29203655 TI - Evaluating the environmental impacts of dietary recommendations. AB - Dietary choices drive both health and environmental outcomes. Information on diets come from many sources, with nationally recommended diets (NRDs) by governmental or similar advisory bodies the most authoritative. Little or no attention is placed on the environmental impacts within NRDs. Here we quantify the impact of nation-specific NRDs, compared with an average diet in 37 nations, representing 64% of global population. We focus on greenhouse gases (GHGs), eutrophication, and land use because these have impacts reaching or exceeding planetary boundaries. We show that compared with average diets, NRDs in high income nations are associated with reductions in GHG, eutrophication, and land use from 13.0 to 24.8%, 9.8 to 21.3%, and 5.7 to 17.6%, respectively. In upper middle-income nations, NRDs are associated with slight decrease in impacts of 0.8 12.2%, 7.7-19.4%, and 7.2-18.6%. In poorer middle-income nations, impacts increase by 12.4-17.0%, 24.5-31.9%, and 8.8-14.8%. The reduced environmental impact in high-income countries is driven by reductions in calories (~54% of effect) and a change in composition (~46%). The increased environmental impacts of NRDs in low- and middle-income nations are associated with increased intake in animal products. Uniform adoption of NRDs across these nations would result in reductions of 0.19-0.53 Gt CO2 eq?a-1, 4.32-10.6 Gt [Formula: see text] eq?a-1, and 1.5-2.8 million km2, while providing the health cobenefits of adopting an NRD. As a small number of dietary guidelines are beginning to incorporate more general environmental concerns, we anticipate that this work will provide a standardized baseline for future work to optimize recommended diets further. PMID- 29203657 TI - Percolative core formation in planetesimals enabled by hysteresis in metal connectivity. AB - The segregation of dense core-forming melts by porous flow is a natural mechanism for core formation in early planetesimals. However, experimental observations show that texturally equilibrated metallic melt does not wet the silicate grain boundaries and tends to reside in isolated pockets that prevent percolation. Here we use pore-scale simulations to determine the minimum melt fraction required to induce porous flow, the percolation threshold. The composition of terrestrial planets suggests that typical planetesimals contain enough metal to overcome this threshold. Nevertheless, it is currently thought that melt segregation is prevented by a pinch-off at melt fractions slightly below the percolation threshold. In contrast to previous work, our simulations on irregular grain geometries reveal that a texturally equilibrated melt network remains connected down to melt fractions of only 1 to 2%. This hysteresis in melt connectivity allows percolative core formation in planetesimals that contain enough metal to exceed the percolation threshold. Evidence for the percolation of metallic melt is provided by X-ray microtomography of primitive achondrite Northwest Africa (NWA) 2993. Microstructural analysis shows that the metal-silicate interface has characteristics expected for a texturally equilibrated pore network with a dihedral angle of ~85 degrees . The melt network therefore remained close to textural equilibrium despite a complex history. This suggests that the hysteresis in melt connectivity is a viable process for percolative core formation in the parent bodies of primitive achondrites. PMID- 29203656 TI - Enigmatic origin of the poxvirus membrane from the endoplasmic reticulum shown by 3D imaging of vaccinia virus assembly mutants. AB - The long-standing inability to visualize connections between poxvirus membranes and cellular organelles has led to uncertainty regarding the origin of the viral membrane. Indeed, there has been speculation that viral membranes form de novo in cytoplasmic factories. Another possibility, that the connections are too short lived to be captured by microscopy during a normal infection, motivated us to identify and characterize virus mutants that are arrested in assembly. Five conserved vaccinia virus proteins, referred to as Viral Membrane Assembly Proteins (VMAPs), that are necessary for formation of immature virions were found. Transmission electron microscopy studies of two VMAP deletion mutants had suggested retention of connections between viral membranes and the endoplasmic reticulum (ER). We now analyzed cells infected with each of the five VMAP deletion mutants by electron tomography, which is necessary to validate membrane continuity, in addition to conventional transmission electron microscopy. In all cases, connections between the ER and viral membranes were demonstrated by 3D reconstructions, supporting a role for the VMAPs in creating and/or stabilizing membrane scissions. Furthermore, coexpression of the viral reticulon-like transmembrane protein A17 and the capsid-like scaffold protein D13 was sufficient to form similar ER-associated viral structures in the absence of other major virion proteins. Determination of the mechanism of ER disruption during a normal VACV infection and the likely participation of both viral and cell proteins in this process may provide important insights into membrane dynamics. PMID- 29203658 TI - Molecular and functional resemblance of differentiated cells derived from isogenic human iPSCs and SCNT-derived ESCs. AB - Patient-specific pluripotent stem cells (PSCs) can be generated via nuclear reprogramming by transcription factors (i.e., induced pluripotent stem cells, iPSCs) or by somatic cell nuclear transfer (SCNT). However, abnormalities and preclinical application of differentiated cells generated by different reprogramming mechanisms have yet to be evaluated. Here we investigated the molecular and functional features, and drug response of cardiomyocytes (PSC-CMs) and endothelial cells (PSC-ECs) derived from genetically relevant sets of human iPSCs, SCNT-derived embryonic stem cells (nt-ESCs), as well as in vitro fertilization embryo-derived ESCs (IVF-ESCs). We found that differentiated cells derived from isogenic iPSCs and nt-ESCs showed comparable lineage gene expression, cellular heterogeneity, physiological properties, and metabolic functions. Genome-wide transcriptome and DNA methylome analysis indicated that iPSC derivatives (iPSC-CMs and iPSC-ECs) were more similar to isogenic nt-ESC counterparts than those derived from IVF-ESCs. Although iPSCs and nt-ESCs shared the same nuclear DNA and yet carried different sources of mitochondrial DNA, CMs derived from iPSC and nt-ESCs could both recapitulate doxorubicin-induced cardiotoxicity and exhibited insignificant differences on reactive oxygen species generation in response to stress condition. We conclude that molecular and functional characteristics of differentiated cells from human PSCs are primarily attributed to the genetic compositions rather than the reprogramming mechanisms (SCNT vs. iPSCs). Therefore, human iPSCs can replace nt-ESCs as alternatives for generating patient-specific differentiated cells for disease modeling and preclinical drug testing. PMID- 29203659 TI - TRPV1 is a physiological regulator of MU-opioid receptors. AB - Opioids are powerful analgesics, but also carry significant side effects and abuse potential. Here we describe a modulator of the MU-opioid receptor (MOR1), the transient receptor potential channel subfamily vanilloid member 1 (TRPV1). We show that TRPV1 binds MOR1 and blocks opioid-dependent phosphorylation of MOR1 while leaving G protein signaling intact. Phosphorylation of MOR1 initiates recruitment and activation of the beta-arrestin pathway, which is responsible for numerous opioid-induced adverse effects, including the development of tolerance and respiratory depression. Phosphorylation stands in contrast to G protein signaling, which is responsible for the analgesic effect of opioids. Calcium influx through TRPV1 causes a calcium/calmodulin-dependent translocation of G protein-coupled receptor kinase 5 (GRK5) away from the plasma membrane, thereby blocking its ability to phosphorylate MOR1. Using TRPV1 to block phosphorylation of MOR1 without affecting G protein signaling is a potential strategy to improve the therapeutic profile of opioids. PMID- 29203660 TI - Terminal attack trajectories of peregrine falcons are described by the proportional navigation guidance law of missiles. AB - The ability to intercept uncooperative targets is key to many diverse flight behaviors, from courtship to predation. Previous research has looked for simple geometric rules describing the attack trajectories of animals, but the underlying feedback laws have remained obscure. Here, we use GPS loggers and onboard video cameras to study peregrine falcons, Falco peregrinus, attacking stationary targets, maneuvering targets, and live prey. We show that the terminal attack trajectories of peregrines are not described by any simple geometric rule as previously claimed, and instead use system identification techniques to fit a phenomenological model of the dynamical system generating the observed trajectories. We find that these trajectories are best-and exceedingly well modeled by the proportional navigation (PN) guidance law used by most guided missiles. Under this guidance law, turning is commanded at a rate proportional to the angular rate of the line-of-sight between the attacker and its target, with a constant of proportionality (i.e., feedback gain) called the navigation constant (N). Whereas most guided missiles use navigation constants falling on the interval 3 <= N <= 5, peregrine attack trajectories are best fitted by lower navigation constants (median N < 3). This lower feedback gain is appropriate at the lower flight speed of a biological system, given its presumably higher error and longer delay. This same guidance law could find use in small visually guided drones designed to remove other drones from protected airspace. PMID- 29203661 TI - Unusual zinc-binding mode of HDAC6-selective hydroxamate inhibitors. AB - Histone deacetylases (HDACs) regulate myriad cellular processes by catalyzing the hydrolysis of acetyl-l-lysine residues in histone and nonhistone proteins. The Zn2+-dependent class IIb enzyme HDAC6 regulates microtubule function by deacetylating alpha-tubulin, which suppresses microtubule dynamics and leads to cell cycle arrest and apoptosis. Accordingly, HDAC6 is a target for the development of selective inhibitors that might be useful in new therapeutic approaches for the treatment of cancer, neurodegenerative diseases, and other disorders. Here, we present high-resolution structures of catalytic domain 2 from Danio rerio HDAC6 (henceforth simply "HDAC6") complexed with compounds that selectively inhibit HDAC6 while maintaining nanomolar inhibitory potency: N hydroxy-4-[(N(2-hydroxyethyl)-2-phenylacetamido)methyl)-benzamide)] (HPB), ACY 1215 (Ricolinostat), and ACY-1083. These structures reveal that an unusual monodentate Zn2+ coordination mode is exploited by sterically bulky HDAC6 selective phenylhydroxamate inhibitors. We additionally report the ultrahigh resolution structure of the HDAC6-trichostatin A complex, which reveals two Zn2+ binding conformers for the inhibitor: a major conformer (70%) with canonical bidentate hydroxamate-Zn2+ coordination geometry and a minor conformer (30%) with monodentate hydroxamate-Zn2+ coordination geometry, reflecting a free energy difference of only 0.5 kcal/mol. The minor conformer is not visible in lower resolution structure determinations. Structural comparisons of HDAC6-inhibitor complexes with class I HDACs suggest active site features that contribute to the isozyme selectivity observed in biochemical assays. PMID- 29203662 TI - Methylprednisolone acetate induces, and Delta7-dafachronic acid suppresses, Strongyloides stercoralis hyperinfection in NSG mice. AB - Strongyloides stercoralis hyperinfection causes high mortality rates in humans, and, while hyperinfection can be induced by immunosuppressive glucocorticoids, the pathogenesis remains unknown. Since immunocompetent mice are resistant to infection with S. stercoralis, we hypothesized that NSG mice, which have a reduced innate immune response and lack adaptive immunity, would be susceptible to the infection and develop hyperinfection. Interestingly, despite the presence of large numbers of adult and first-stage larvae in S. stercoralis-infected NSG mice, no hyperinfection was observed even when the mice were treated with a monoclonal antibody to eliminate residual granulocyte activity. NSG mice were then infected with third-stage larvae and treated for 6 wk with methylprednisolone acetate (MPA), a synthetic glucocorticoid. MPA treatment of infected mice resulted in 50% mortality and caused a significant >10-fold increase in the number of parasitic female worms compared with infected untreated mice. In addition, autoinfective third-stage larvae, which initiate hyperinfection, were found in high numbers in MPA-treated, but not untreated, mice. Remarkably, treatment with Delta7-dafachronic acid, an agonist of the parasite nuclear receptor Ss-DAF-12, significantly reduced the worm burden in MPA treated mice undergoing hyperinfection with S. stercoralis Overall, this study provides a useful mouse model for S. stercoralis autoinfection and suggests a therapeutic strategy for treating lethal hyperinfection. PMID- 29203663 TI - Selected reaction monitoring approach for validating peptide biomarkers. AB - We here describe a selected reaction monitoring (SRM)-based approach for the discovery and validation of peptide biomarkers for cancer. The first stage of this approach is the direct identification of candidate peptides through comparison of proteolytic peptides derived from the plasma of cancer patients or healthy individuals. Several hundred candidate peptides were identified through this method, providing challenges for choosing and validating the small number of peptides that might prove diagnostically useful. To accomplish this validation, we used 2D chromatography coupled with SRM of candidate peptides. We applied this approach, called sequential analysis of fractionated eluates by SRM (SAFE-SRM), to plasma from cancer patients and discovered two peptides encoded by the peptidyl-prolyl cis-trans isomerase A (PPIA) gene whose abundance was increased in the plasma of ovarian cancer patients. At optimal thresholds, elevated levels of at least one of these two peptides was detected in 43 (68.3%) of 63 women with ovarian cancer but in none of 50 healthy controls. In addition to providing a potential biomarker for ovarian cancer, this approach is generally applicable to the discovery of peptides characteristic of various disease states. PMID- 29203664 TI - Structural insights into how GTP-dependent conformational changes in a metallochaperone UreG facilitate urease maturation. AB - The ability of metallochaperones to allosterically regulate the binding/release of metal ions and to switch protein-binding partners along the metal delivery pathway is essential to the metallation of the metalloenzymes. Urease, catalyzing the hydrolysis of urea into ammonia and carbon dioxide, contains two nickel ions bound by a carbamylated lysine in its active site. Delivery of nickel ions for urease maturation is dependent on GTP hydrolysis and is assisted by four urease accessory proteins UreE, UreF, UreG, and UreH(UreD). Here, we determined the crystal structure of the UreG dimer from Klebsiella pneumoniae in complex with nickel and GMPPNP, a nonhydrolyzable analog of GTP. Comparison with the structure of the GDP-bound Helicobacter pylori UreG (HpUreG) in the UreG2F2H2 complex reveals large conformational changes in the G2 region and residues near the 66CPH68 metal-binding motif. Upon GTP binding, the side chains of Cys66 and His68 from each of the UreG protomers rotate toward each other to coordinate a nickel ion in a square-planar geometry. Mutagenesis studies on HpUreG support the conformational changes induced by GTP binding as essential to dimerization of UreG, GTPase activity, in vitro urease activation, and the switching of UreG from the UreG2F2H2 complex to form the UreE2G2 complex with the UreE dimer. The nickel charged UreE dimer, providing the sole source of nickel, and the UreG2F2H2 complex could activate urease in vitro in the presence of GTP. Based on our results, we propose a mechanism of how conformational changes of UreG during the GTP hydrolysis/binding cycle facilitate urease maturation. PMID- 29203666 TI - Structure and function of a compound eye, more than half a billion years old. AB - Until now, the fossil record has not been capable of revealing any details of the mechanisms of complex vision at the beginning of metazoan evolution. Here, we describe functional units, at a cellular level, of a compound eye from the base of the Cambrian, more than half a billion years old. Remains of early Cambrian arthropods showed the external lattices of enormous compound eyes, but not the internal structures or anything about how those compound eyes may have functioned. In a phosphatized trilobite eye from the lower Cambrian of the Baltic, we found lithified remnants of cellular systems, typical of a modern focal apposition eye, similar to those of a bee or dragonfly. This shows that sophisticated eyes already existed at the beginning of the fossil record of higher organisms, while the differences between the ancient system and the internal structures of a modern apposition compound eye open important insights into the evolution of vision. PMID- 29203665 TI - Structural studies of Chikungunya virus maturation. AB - Cleavage of the alphavirus precursor glycoprotein p62 into the E2 and E3 glycoproteins before assembly with the nucleocapsid is the key to producing fusion-competent mature spikes on alphaviruses. Here we present a cryo-EM, 6.8-A resolution structure of an "immature" Chikungunya virus in which the cleavage site has been mutated to inhibit proteolysis. The spikes in the immature virus have a larger radius and are less compact than in the mature virus. Furthermore, domains B on the E2 glycoproteins have less freedom of movement in the immature virus, keeping the fusion loops protected under domain B. In addition, the nucleocapsid of the immature virus is more compact than in the mature virus, protecting a conserved ribosome-binding site in the capsid protein from exposure. These differences suggest that the posttranslational processing of the spikes and nucleocapsid is necessary to produce infectious virus. PMID- 29203667 TI - Electrostatic confinement and manipulation of DNA molecules for genome analysis. AB - Very large DNA molecules enable comprehensive analysis of complex genomes, such as human, cancer, and plants because they span across sequence repeats and complex somatic events. When physically manipulated, or analyzed as single molecules, long polyelectrolytes are problematic because of mechanical considerations that include shear-mediated breakage, dealing with the massive size of these coils, or the length of stretched DNAs using common experimental techniques and fluidic devices. Accordingly, we harness analyte "issues" as exploitable advantages by our invention and characterization of the "molecular gate," which controls and synchronizes formation of stretched DNA molecules as DNA dumbbells within nanoslit geometries. Molecular gate geometries comprise micro- and nanoscale features designed to synergize very low ionic strength conditions in ways we show effectively create an "electrostatic bottle." This effect greatly enhances molecular confinement within large slit geometries and supports facile, synchronized electrokinetic loading of nanoslits, even without dumbbell formation. Device geometries were considered at the molecular and continuum scales through computer simulations, which also guided our efforts to optimize design and functionalities. In addition, we show that the molecular gate may govern DNA separations because DNA molecules can be electrokinetically triggered, by varying applied voltage, to enter slits in a size-dependent manner. Lastly, mapping the Mesoplasmaflorum genome, via synchronized dumbbell formation, validates our nascent approach as a viable starting point for advanced development that will build an integrated system capable of large-scale genome analysis. PMID- 29203668 TI - Epigenetic therapy activates type I interferon signaling in murine ovarian cancer to reduce immunosuppression and tumor burden. AB - Ovarian cancer is the most lethal of all gynecological cancers, and there is an urgent unmet need to develop new therapies. Epithelial ovarian cancer (EOC) is characterized by an immune suppressive microenvironment, and response of ovarian cancers to immune therapies has thus far been disappointing. We now find, in a mouse model of EOC, that clinically relevant doses of DNA methyltransferase and histone deacetylase inhibitors (DNMTi and HDACi, respectively) reduce the immune suppressive microenvironment through type I IFN signaling and improve response to immune checkpoint therapy. These data indicate that the type I IFN response is required for effective in vivo antitumorigenic actions of the DNMTi 5-azacytidine (AZA). Through type I IFN signaling, AZA increases the numbers of CD45+ immune cells and the percentage of active CD8+ T and natural killer (NK) cells in the tumor microenvironment, while reducing tumor burden and extending survival. AZA also increases viral defense gene expression in both tumor and immune cells, and reduces the percentage of macrophages and myeloid-derived suppressor cells in the tumor microenvironment. The addition of an HDACi to AZA enhances the modulation of the immune microenvironment, specifically increasing T and NK cell activation and reducing macrophages over AZA treatment alone, while further increasing the survival of the mice. Finally, a triple combination of DNMTi/HDACi plus the immune checkpoint inhibitor alpha-PD-1 provides the best antitumor effect and longest overall survival, and may be an attractive candidate for future clinical trials in ovarian cancer. PMID- 29203669 TI - Islet cells share promoter hypomethylation independently of expression, but exhibit cell-type-specific methylation in enhancers. AB - DNA methylation at promoters is an important determinant of gene expression. Earlier studies suggested that the insulin gene promoter is uniquely unmethylated in insulin-expressing pancreatic beta-cells, providing a classic example of this paradigm. Here we show that islet cells expressing insulin, glucagon, or somatostatin share a lack of methylation at the promoters of the insulin and glucagon genes. This is achieved by rapid demethylation of the insulin and glucagon gene promoters during differentiation of Neurogenin3+ embryonic endocrine progenitors, regardless of the specific endocrine cell-type chosen. Similar methylation dynamics were observed in transgenic mice containing a human insulin promoter fragment, pointing to the responsible cis element. Whole methylome comparison of human alpha- and beta-cells revealed generality of the findings: genes active in one cell type and silent in the other tend to share demethylated promoters, while methylation differences between alpha- and beta cells are concentrated in enhancers. These findings suggest an epigenetic basis for the observed plastic identity of islet cell types, and have implications for beta-cell reprogramming in diabetes and diagnosis of beta-cell death using methylation patterns of circulating DNA. PMID- 29203670 TI - Kras mutant genetically engineered mouse models of human cancers are genomically heterogeneous. AB - KRAS mutant tumors are largely recalcitrant to targeted therapies. Genetically engineered mouse models (GEMMs) of Kras mutant cancer recapitulate critical aspects of this disease and are widely used for preclinical validation of targets and therapies. Through comprehensive profiling of exomes and matched transcriptomes of >200 KrasG12D-initiated GEMM tumors from one lung and two pancreatic cancer models, we discover that significant intratumoral and intertumoral genomic heterogeneity evolves during tumorigenesis. Known oncogenes and tumor suppressor genes, beyond those engineered, are mutated, amplified, and deleted. Unlike human tumors, the GEMM genomic landscapes are dominated by copy number alterations, while protein-altering mutations are rare. However, interspecies comparative analyses of the genomic landscapes demonstrate fidelity between genes altered in KRAS mutant human and murine tumors. Genes that are spontaneously altered during murine tumorigenesis are also among the most prevalent found in human indications. Using targeted therapies, we also demonstrate that this inherent tumor heterogeneity can be exploited preclinically to discover cancer-specific and genotype-specific therapeutic vulnerabilities. Focusing on Kras allelic imbalance, a feature shared by all three models, we discover that MAPK pathway inhibition impinges uniquely on this event, indicating distinct susceptibility and fitness advantage of Kras-mutant cells. These data reveal previously unknown genomic diversity among KrasG12D-initiated GEMM tumors, places them in context of human patients, and demonstrates how to exploit this inherent tumor heterogeneity to discover therapeutic vulnerabilities. PMID- 29203671 TI - Early childhood stress exposure, reward pathways, and adult decision making. AB - Individuals who have experienced chronic and high levels of stress during their childhoods are at increased risk for a wide range of behavioral problems, yet the neurobiological mechanisms underlying this association are poorly understood. We measured the life circumstances of a community sample of school-aged children and then followed these children for a decade. Those from the highest and lowest quintiles of childhood stress exposure were invited to return to our laboratory as young adults, at which time we reassessed their life circumstances, acquired fMRI data during a reward-processing task, and tested their judgment and decision making. Individuals who experienced high levels of early life stress showed lower levels of brain activation when processing cues signaling potential loss and increased responsivity when actually experiencing losses. Specifically, those with high childhood stress had reduced activation in the posterior cingulate/precuneus, middle temporal gyrus, and superior occipital cortex during the anticipation of potential rewards; reduced activation in putamen and insula during the anticipation of potential losses; and increased left inferior frontal gyrus activation when experiencing an actual loss. These patterns of brain activity were associated with both laboratory and real-world measures of individuals' risk taking in adulthood. Importantly, these effects were predicated only by childhood stress exposure and not by current levels of life stress. PMID- 29203672 TI - Earliest hydraulic enterprise in China, 5,100 years ago. AB - Here we present one of the world's oldest examples of large-scale and formalized water management, in the case of the Liangzhu culture of the Yangtze Delta, dated at 5,300-4,300 years cal B.P. The Liangzhu culture represented a peak of early cultural and social development predating the historically recorded Chinese dynasties; hence, this study reveals more about the ancient origins of hydraulic engineering as a core element of social, political, and economic developments. Archaeological surveys and excavations can now portray the impressive extent and structure of dams, levees, ditches, and other landscape-transforming features, supporting the ancient city of Liangzhu, with an estimated size of about 300 ha. The results indicate an enormous collective undertaking, with unprecedented evidence for understanding how the city, economy, and society of Liangzhu functioned and developed at such a large scale. Concurrent with the evidence of technological achievements and economic success, a unique relationship between ritual order and social power is seen in the renowned jade objects in Liangzhu elite burials, thus expanding our view beyond the practicalities of water management and rice farming. PMID- 29203673 TI - Evidence for sortilin modulating regional accumulation of human tau prions in transgenic mice. AB - Misfolding of tau proteins into prions and their propagation along neural circuits are thought to result in neurodegeneration causing Alzheimer's disease, progressive supranuclear palsy, chronic traumatic encephalopathy, and other tauopathies. Little is known about the molecular processes mediating tau prion replication and spreading in different brain regions. Using transgenic (Tg) mice with a neuronal promoter driving expression of human mutant (P301S) tau, we found that tau prion formation and histopathologic deposition is largely restricted to the hindbrain. Unexpectedly, tau mRNA and protein levels did not differ between the forebrain and hindbrain, suggesting that other factors modulating the conversion of tau into a prion exist and are region specific. Using a cell-based prion propagation assay, we discovered that tau prion replication is suppressed by forebrain-derived inhibitors, one of which is sortilin, a lysosomal sorting receptor. We also show that sortilin expression is higher in the forebrain than the hindbrain across the life span of the Tg mice, suggesting that sortilin, at least in part, inhibits forebrain tau prion replication in vivo. Our findings provide evidence for selective vulnerability in mice resulting in highly regulated levels of tau prion propagation, thus affording a model for identification of additional molecules that could mitigate the levels of tau prions in human tauopathies. PMID- 29203674 TI - Structural insights into the roles of the IcmS-IcmW complex in the type IVb secretion system of Legionella pneumophila. AB - The type IVb secretion system (T4BSS) of Legionella pneumophila is a multiple component apparatus that delivers ~300 virulent effector proteins into host cells. The injected effectors modulate host cellular processes to promote bacterial infection and proliferation. IcmS and IcmW are two conserved small, acidic adaptor proteins that form a binary complex to interact with many effectors and facilitate their translocation. IcmS and IcmW can also interact with DotL, an ATPase of the type IV coupling protein complex (T4CP). However, how IcmS-IcmW recognizes effectors, and what the roles of IcmS-IcmW are in T4BSSs are unclear. In this study, we found that IcmS and IcmW form a 1:1 heterodimeric complex to bind effector substrates. Both IcmS and IcmW adopt new structural folds and have no structural similarities with known effector chaperones. IcmS has a compact global structure with an alpha/beta fold, while IcmW adopts a fully alpha-folded, relatively loose architecture. IcmS stabilizes IcmW by binding to its two C-terminal alpha-helices. Photocrosslinking assays revealed that the IcmS IcmW complex binds its cognate effectors via an extended hydrophobic surface, which can also interact with the C terminus of DotL. A crystal structure of the DotL-IcmS-IcmW complex reveals extensive and highly stable interactions between DotL and IcmS-IcmW. Moreover, IcmS-IcmW recruits LvgA to DotL and assembles a unique T4CP. These data suggest that IcmS-IcmW also functions as an inseparable integral component of the DotL-T4CP complex in the bacterial inner membrane. This study provides molecular insights into the dual roles of the IcmS-IcmW complex in T4BSSs. PMID- 29203675 TI - Extending density functional embedding theory for covalently bonded systems. AB - Quantum embedding theory aims to provide an efficient solution to obtain accurate electronic energies for systems too large for full-scale, high-level quantum calculations. It adopts a hierarchical approach that divides the total system into a small embedded region and a larger environment, using different levels of theory to describe each part. Previously, we developed a density-based quantum embedding theory called density functional embedding theory (DFET), which achieved considerable success in metals and semiconductors. In this work, we extend DFET into a density-matrix-based nonlocal form, enabling DFET to study the stronger quantum couplings between covalently bonded subsystems. We name this theory density-matrix functional embedding theory (DMFET), and we demonstrate its performance in several test examples that resemble various real applications in both chemistry and biochemistry. DMFET gives excellent results in all cases tested thus far, including predicting isomerization energies, proton transfer energies, and highest occupied molecular orbital-lowest unoccupied molecular orbital gaps for local chromophores. Here, we show that DMFET systematically improves the quality of the results compared with the widely used state-of-the art methods, such as the simple capped cluster model or the widely used ONIOM method. PMID- 29203676 TI - STRIP1, a core component of STRIPAK complexes, is essential for normal mesoderm migration in the mouse embryo. AB - Regulated mesoderm migration is necessary for the proper morphogenesis and organ formation during embryonic development. Cell migration and its dependence on the cytoskeleton and signaling machines have been studied extensively in cultured cells; in contrast, remarkably little is known about the mechanisms that regulate mesoderm cell migration in vivo. Here, we report the identification and characterization of a mouse mutation in striatin-interacting protein 1 (Strip1) that disrupts migration of the mesoderm after the gastrulation epithelial-to mesenchymal transition (EMT). STRIP1 is a core component of the biochemically defined mammalian striatin-interacting phosphatases and kinase (STRIPAK) complexes that appear to act through regulation of protein phosphatase 2A (PP2A), but their functions in mammals in vivo have not been examined. Strip1-null mutants arrest development at midgestation with profound disruptions in the organization of the mesoderm and its derivatives, including a complete failure of the anterior extension of axial mesoderm. Analysis of cultured mesoderm explants and mouse embryonic fibroblasts from null mutants shows that the mesoderm migration defect is correlated with decreased cell spreading, abnormal focal adhesions, changes in the organization of the actin cytoskeleton, and decreased velocity of cell migration. The results show that STRIPAK complexes are essential for cell migration and tissue morphogenesis in vivo. PMID- 29203677 TI - Dynamics of translation can determine the spatial organization of membrane-bound proteins and their mRNA. AB - Unlike most macromolecules that are homogeneously distributed in the bacterial cell, mRNAs that encode inner-membrane proteins can be concentrated near the inner membrane. Cotranslational insertion of the nascent peptide into the membrane brings the translating ribosome and the mRNA close to the membrane. This suggests that kinetic properties of translation can determine the spatial organization of these mRNAs and proteins, which can be modulated through posttranscriptional regulation. Here we use a simple stochastic model of translation to characterize the effect of mRNA properties on the dynamics and statistics of its spatial distribution. We show that a combination of the rate of translation initiation, the availability of secretory apparatuses, and the composition of the coding region determines the abundance of mRNAs near the membrane, as well as their residence time. We propose that the spatiotemporal dynamics of mRNAs can give rise to protein clusters on the membrane and determine their size distribution. PMID- 29203678 TI - Multiple oscillatory rhythms determine the temporal organization of perception. AB - Incoming sensory input is condensed by our perceptual system to optimally represent and store information. In the temporal domain, this process has been described in terms of temporal windows (TWs) of integration/segregation, in which the phase of ongoing neural oscillations determines whether two stimuli are integrated into a single percept or segregated into separate events. However, TWs can vary substantially, raising the question of whether different TWs map onto unique oscillations or, rather, reflect a single, general fluctuation in cortical excitability (e.g., in the alpha band). We used multivariate decoding of electroencephalography (EEG) data to investigate perception of stimuli that either repeated in the same location (two-flash fusion) or moved in space (apparent motion). By manipulating the interstimulus interval (ISI), we created bistable stimuli that caused subjects to perceive either integration (fusion/apparent motion) or segregation (two unrelated flashes). Training a classifier searchlight on the whole channels/frequencies/times space, we found that the perceptual outcome (integration vs. segregation) could be reliably decoded from the phase of prestimulus oscillations in right parieto-occipital channels. The highest decoding accuracy for the two-flash fusion task (ISI = 40 ms) was evident in the phase of alpha oscillations (8-10 Hz), while the highest decoding accuracy for the apparent motion task (ISI = 120 ms) was evident in the phase of theta oscillations (6-7 Hz). These results reveal a precise relationship between specific TW durations and specific oscillations. Such oscillations at different frequencies may provide a hierarchical framework for the temporal organization of perception. PMID- 29203679 TI - Naturalization of European plants on other continents: The role of donor habitats. AB - The success of European plant species as aliens worldwide is thought to reflect their association with human-disturbed environments. However, an explicit test including all human-made, seminatural and natural habitat types of Europe, and their contributions as donor habitats of naturalized species to the rest of the globe, has been missing. Here we combine two databases, the European Vegetation Checklist and the Global Naturalized Alien Flora, to assess how human influence in European habitats affects the probability of naturalization of their plant species on other continents. A total of 9,875 native European vascular plant species were assigned to 39 European habitat types; of these, 2,550 species have become naturalized somewhere in the world. Species that occur in both human-made habitats and seminatural or natural habitats in Europe have the highest probability of naturalization (64.7% and 64.5% of them have naturalized). Species associated only with human-made or seminatural habitats still have a significantly higher probability of becoming naturalized (41.7% and 28.6%, respectively) than species confined to natural habitats (19.4%). Species associated with arable land and human settlements were recorded as naturalized in the largest number of regions worldwide. Our findings highlight that plant species' association with native-range habitats disturbed by human activities, combined with broad habitat range, play an important role in shaping global patterns of plant invasions. PMID- 29203680 TI - Developing a written action plan for children with eczema: a qualitative study. AB - BACKGROUND: Eczema is common in children but adherence to treatments is poor. Written action plans (WAPs) have been shown to help in asthma but the potential value, format, and content of an eczema WAP is unknown. AIM: To explore the potential role of an eczema WAP, and to design an eczema-specific WAP. DESIGN AND SETTING: A qualitative study of parents of children with eczema, primary and secondary care health professionals, and other stakeholders. METHOD: A total of 41 semi-structured one-to-one interviews and two focus groups were audiorecorded, transcribed, and analysed thematically. RESULTS: Reported challenges of managing eczema included: parental confusion about treatment application; lack of verbal and written advice from GPs; differing beliefs about the cause and management of eczema; re-prescribing of failed treatments; and parents feeling unsupported by their GP. An eczema WAP was viewed as an educational tool that could help address these problems. Participants expressed a preference for a WAP that gives clear, individualised guidance on treatment use, presented in a step-up/step-down approach. Participants also wanted more general information about eczema, its potential triggers, and how to manage problem symptoms. CONCLUSION: An eczema WAP may help overcome some of the difficulties of managing eczema, and support families and clinicians in the management of the condition. Further evaluation is needed to determine if the eczema WAP the authors have developed is both acceptable and improves the outcomes for affected children and their families. PMID- 29203681 TI - Patients' views on interactions with practitioners for type 2 diabetes: a longitudinal qualitative study in primary care over 10 years. AB - BACKGROUND: It has been suggested that interactions between patients and practitioners in primary care have the potential to delay progression of complications in type 2 diabetes. However, as primary care faces greater pressures, patient experiences of patient-practitioner interactions might be changing. AIM: To explore the views of patients with type 2 diabetes on factors that are of significance to them in patient-practitioner interactions in primary care after diagnosis, and over the last 10 years of living with the disease. DESIGN AND SETTING: A longitudinal qualitative analysis over 10 years in UK primary care. METHOD: The study was part of a qualitative and quantitative examination of patient experience within the existing ADDITION-Cambridge and ADDITION-Plus trials from 2002 to 2016. The researchers conducted a qualitative descriptive analysis of free-text comments to an open-ended question within the CARE measure questionnaire at 1 and 10 years after diagnosis with diabetes. Data were analysed cross-sectionally at each time point, and at an individual level moving both backwards and forwards between time points to describe emergent topics. RESULTS: At the 1-year follow-up, 311 out of 1106 (28%) participants had commented; 101 out of 380 (27%) participants commented at 10-year follow-up; and 46 participants commented at both times. Comments on preferences for face-to-face contact, more time with practitioners, and relational continuity of care were more common over time. CONCLUSION: This study highlights issues related to the wider context of interactions between patients and practitioners in the healthcare system over the last 10 years since diagnosis. Paradoxically, these same aspects of care that are valued over time from diagnosis are also increasingly unprotected in UK primary care. PMID- 29203682 TI - Reasons why people do not attend NHS Health Checks: a systematic review and qualitative synthesis. AB - BACKGROUND: The NHS Health Check programme is a prevention initiative offering cardiovascular risk assessment and management advice to adults aged 40-74 years across England. Its effectiveness depends on uptake. When it was introduced in 2009, it was anticipated that all those eligible would be invited over a 5-year cycle and 75% of those invited would attend. So far in the current cycle from 2013 to 2018, 33.8% of those eligible have attended, which is equal to 48.5% of those invited to attend. Understanding the reasons why some people do not attend is important to maximise the impact of the programmes. AIM: To review why people do not attend NHS Health Checks. DESIGN AND SETTING: A systematic review and thematic synthesis of qualitative studies. METHOD: An electronic literature search was carried out of MEDLINE, Embase, Health Management Information Consortium, Cumulative Index to Nursing and Allied Health Literature, Global Health, PsycINFO, Web of Science, OpenGrey, the Cochrane Library, NHS Evidence, Google Scholar, Google, ClinicalTrials.gov, and the ISRCTN registry from 1 January 1996 to 9 November 2016, and the reference lists of all included papers were also screened manually. Inclusion criteria were primary research studies that reported the views of people who were eligible for but had not attended an NHS Health Check. RESULTS: Nine studies met the inclusion criteria. Reasons for not attending included lack of awareness or knowledge, misunderstanding the purpose of the NHS Health Check, aversion to preventive medicine, time constraints, difficulties with access to general practices, and doubts regarding pharmacies as appropriate settings. CONCLUSION: The findings particularly highlight the need for improved communication and publicity around the purpose of the NHS Health Check programme and the personal health benefits of risk factor detection. PMID- 29203683 TI - Possible missed opportunities for diagnosing colorectal cancer in Dutch primary care: a multimethods approach. AB - BACKGROUND: Early detection of colorectal cancer (CRC) is important to achieve better survival. Discriminating symptoms suggestive of CRC from benign conditions is a challenge for GPs because most known 'alarm symptoms' have low predictive values. AIM: To further understand the diagnostic process of CRC in general practice in terms of healthcare use and by analysing factors related to diagnostic intervals. DESIGN AND SETTING: A multimethod approach comprising a historical, prospective registry study and qualitative content analysis. METHOD: Healthcare use in the year before referral for colonoscopy was compared between patients diagnosed with CRC and an age-, sex,- and GP-matched control population. Qualitative content analysis was performed on free texts in electronic patient records from a purposive sample of patients with CRC. RESULTS: Patients with CRC (n = 287) had 41% (25-59%) more face-to-face contacts and 21% (7-37%) more medication prescriptions than controls (n = 828). Forty-six per cent of patients with CRC had two or more contacts for digestive reasons, compared with 12.2% of controls, more often for symptoms than diagnoses. From qualitative analysis two themes emerged: 'possible missed diagnostic opportunities' and 'improvements in diagnostic process unlikely'. Possible missed diagnostic opportunities were related to patients waiting before presenting symptoms, doctors attributing symptoms to comorbid conditions or medication use, or doctors sticking to an initial diagnosis. CONCLUSION: Fewer missed diagnostic opportunities might occur if GPs are aware of pitfalls in diagnosing CRC: the assumption that symptoms are caused by comorbid conditions or medication, or relating complaints to pre existing medical conditions. GPs also need to be aware that repeated digestive complaints warrant rethinking an earlier diagnosis. PMID- 29203684 TI - Nonpharmacological Management of Atrial Fibrillation in Patients at High Intracranial Hemorrhage Risk. PMID- 29203685 TI - Cerebral Venous Thrombosis in Older Patients. AB - BACKGROUND AND PURPOSE: Cerebral venous thrombosis (CVT) is rare in older patients. We investigated whether clinical features and outcomes differ in older and younger patients. METHODS: We used data from a multicenter observational registry of consecutive adult patients with CVT admitted between 1987 and 2016. We compared demographics, clinical manifestations, and outcomes between older (upper quartile of the age distribution) and younger (lower 3 quartiles of the age distribution) patients. RESULTS: Data for 843 patients with CVT were available. The median age was 43 years (interquartile range, 30-55 years). Older patients (>=55 years; n=222) were less often women than younger patients (48% versus 71%; P<0.001) and less often reported headache (63% versus 87%; P<0.001). Cancer was more common in older patients (24% versus 9%; P<0.001), especially solid malignancies (19% versus 5%; P<0.001). Outcome at follow-up was worse in older patients (modified Rankin Scale, 3-6; adjusted odds ratio, 2.68; 95% confidence interval, 1.78-4.03; mortality, adjusted odds ratio, 2.13; 95% confidence interval, 1.09-4.19). CONCLUSIONS: The sex ratio of CVT is evenly distributed in older patients, probably because of the dissipation of hormonal influences. Malignancy should be considered as a potential precipitant in older patients with CVT. PMID- 29203687 TI - How Nurses Can Partner With National Institutes of Health StrokeNet to Deliver Best Research and Care to Stroke Patients. PMID- 29203686 TI - Predictive Value of Pulse Pressure in Acute Ischemic Stroke for Future Major Vascular Events. AB - BACKGROUND AND PURPOSE: This study aimed to investigate whether pulse pressure (PP) obtained during the acute stage of ischemic stroke can be used as a predictor for future major vascular events. METHODS: Using a multicenter prospective stroke registry database, patients who were hospitalized for ischemic stroke within 48 hours of onset were enrolled in this study. We analyzed blood pressure (BP) data measured during the first 3 days from onset. Primary and secondary outcomes were time to a composite of stroke recurrence, myocardial infarction, all-cause death, and time to stroke recurrence, respectively. RESULTS: Of 9840 patients, 4.3% experienced stroke recurrence, 0.2% myocardial infarction, and 7.3% death during a 1-year follow-up period. In Cox proportional hazards models including both linear and quadratic terms of PP, PP had a nonlinear J-shaped relationship with primary (for a quadratic term of PP, P=0.004) and secondary (P<0.001) outcomes. The overall effects of PP and other BP parameters on primary and secondary outcomes were also significant (P<0.05). When predictive power of BP parameters was compared using a statistic of -2 log likelihood differences, PP was a stronger predictor than systolic BP (8.49 versus 5.91; 6.32 versus 4.56), diastolic BP (11.42 versus 11.05; 10.07 versus 4.56), and mean atrial pressure (8.75 versus 5.91; 7.03 versus 4.56) for the primary and secondary outcomes, respectively. CONCLUSIONS: Our study shows that PP when measured in the acute period of ischemic stroke has nonlinear J-shaped relationships with major vascular events and stroke recurrence, and may have a stronger predictive power than other commonly used BP parameters. PMID- 29203688 TI - Antihyperglycemic Agents Are Inversely Associated With Intracranial Aneurysm Rupture. AB - BACKGROUND AND PURPOSE: Previous studies have suggested a protective effect of diabetes mellitus on aneurysmal subarachnoid hemorrhage risk. However, reports are inconsistent, and objective measures of hyperglycemia in these studies are lacking. Our aim was to investigate the association between aneurysmal subarachnoid hemorrhage and antihyperglycemic agent use and glycated hemoglobin levels. METHODS: The medical records of 4701 patients with 6411 intracranial aneurysms, including 1201 prospective patients, diagnosed at the Massachusetts General Hospital and Brigham and Women's Hospital between 1990 and 2016 were reviewed and analyzed. Patients were separated into ruptured and nonruptured groups. Univariate and multivariate logistic regression analyses were performed to determine the association between aneurysmal subarachnoid hemorrhage and antihyperglycemic agents and glycated hemoglobin levels. Propensity score weighting was used to account for selection bias. RESULTS: In both unweighted and weighted multivariate analysis, antihyperglycemic agent use was inversely and significantly associated with ruptured aneurysms (unweighted odds ratio, 0.58; 95% confidence interval, 0.39-0.87; weighted odds ratio, 0.57; 95% confidence interval, 0.34-0.96). In contrast, glycated hemoglobin levels were not significantly associated with rupture status. CONCLUSIONS: Antihyperglycemic agent use rather than hyperglycemia is associated with decreased risk of aneurysmal subarachnoid hemorrhage, suggesting a possible protective effect of glucose-lowering agents in the pathogenesis of aneurysm rupture. PMID- 29203689 TI - Novel Interactive Data Visualization: Exploration of the ESCAPE Trial (Endovascular Treatment for Small Core and Anterior Circulation Proximal Occlusion With Emphasis on Minimizing CT to Recanalization Times) Data. AB - BACKGROUND AND PURPOSE: The ESCAPE (Endovascular Treatment for Small Core and Anterior Circulation Proximal Occlusion With Emphasis on Minimizing CT to Recanalization Times) randomized clinical trial collected a large diverse data set. However, it is difficult to fully understand the effects of the study on certain patient groups and disease progression. We developed and evaluated an interactive visualization of the ESCAPE trial data. METHODS: We iteratively designed an interactive visualization using Python's Bokeh software library. The design was evaluated through a user study, which quantitatively evaluated its efficiency and accuracy against traditional modified Rankin Scalegraphic. Qualitative feedback was also evaluated. RESULTS: The novel interactive visualization of the ESCAPE data are publicly available at http://escapevisualization.herokuapp.com/. There was no difference in the efficiency and accuracy when comparing the use of the novel with the traditional visualization. However, users preferred the novel visualization because it allowed for greater exploration. Some insights obtained through exploration of the ESCAPE data are presented. CONCLUSIONS: Novel interactive visualizations can be applied to acute stroke trial data to allow for greater exploration of the results. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT01778335. PMID- 29203690 TI - Autonomic Dysfunction Predicts Clinical Outcomes After Acute Ischemic Stroke: A Prospective Observational Study. AB - BACKGROUND AND PURPOSE: Central autonomic dysfunction increases stroke morbidity and mortality. We aimed to investigate whether poststroke autonomic dysfunction graded by Ewing battery can predict clinical outcome. METHODS: In this prospective observational study, we assessed autonomic function of ischemic stroke patients within 7 days from symptom onset by Ewing battery. On the basis of the magnitude of autonomic dysfunction, we stratified patients into significant (definite, severe, or atypical) or minor (normal or early) autonomic function impairment groups and correlated the impairment with the 3-month modified Rankin Scale score (good outcome: modified Rankin Scale score 0~2; poor outcome: modified Rankin Scale score 3~6). RESULTS: Among the 150 patients enrolled (mean age, 66.4+/-9.9 years; 70.7% males), minor autonomic dysfunction was identified in 36 patients (24.0%), and significant autonomic dysfunction was identified in 114 patients (76.0%) based on Ewing battery. In 3 months, a poor functional outcome was found in 32.5% of significant group patients compared with 13.9% in the minor group (P=0.031). Crude odds ratios of the magnitude of autonomic dysfunction and 3-month unfavorable functional outcome after acute ischemic stroke were 2.979 (95% confidence interval, 1.071-8.284; P=0.036). After adjusting for confounding variables with statistical significance between the 2 functional outcome subgroups identified in univariate analysis (including sex and National Institutes of Health Stroke Scale score on admission), the magnitude of autonomic dysfunction still independently predicted an unfavorable outcome, with an odds ratio of 3.263 (95% confidence interval, 1.141-9.335; P=0.027). CONCLUSIONS: Autonomic dysfunction gauged by Ewing battery predicts poor functional outcome after acute ischemic stroke. PMID- 29203693 TI - Precision Medicine: Progress, Pitfalls, and Promises. PMID- 29203694 TI - Path toward Precision Oncology: Review of Targeted Therapy Studies and Tools to Aid in Defining "Actionability" of a Molecular Lesion and Patient Management Support. AB - Precision medicine trials and targeted therapies have shifted to the forefront of oncology. Although targeted therapies have shown initial promise, implementation across the broad landscape of oncology has many challenges. These limitations include an incomplete understanding of the functional significance of variant alleles as well as the need for clinical research and practice models that are more patient-centered and account for the complexity of individual patient tumors. Furthermore, successful implementation of targeted therapies will also be predicated on efforts to standardize the framework for patient management support. Here, we review current implementations of targeted therapies in precision oncology and discuss how "actionability" is defined for molecular targets in cancer therapeutics. We also comment on the growing need for bioinformatics tools and data platforms to complement advances in precision oncology. Finally, we discuss current frameworks for integrating precision oncology into patient management and propose an integrated model that combines features of molecular tumor boards and decision support systems. Mol Cancer Ther; 16(12); 2645-55. (c)2017 AACRSee related article by Pilie et al., p. 2641. PMID- 29203695 TI - Random Factors: An Interview with 2017 Thomas Hunt Morgan Medal Recipient Richard C. Lewontin. AB - The Thomas Hunt Morgan Medal is awarded to an individual member of the Genetics Society of America for lifetime achievement in the field of genetics. It recognizes the full body of work of an exceptional geneticist. The 2017 recipient is Richard C. Lewontin, whose contributions and influence have profoundly shaped the field of evolutionary genetics. As a testament to this legacy, his nomination for the Morgan Medal was cosigned by 160 faculty members from around the world. A student of Theodosius Dobzhansky, Lewontin's early work established the two-locus theory, which laid the foundation for our understanding of linkage disequilibrium. In the 1960s, he collaborated with biochemist Jack Hubby on a method to quantify natural genetic variation using protein gel electrophoresis. This approach helped launch the field of molecular evolution and spurred a great influx of data into a formerly theory-dominated domain. The subsequent contributions of Lewontin and his group helped set the stage for much of modern population genetics and genomics research. As well as this direct impact, Lewontin influenced the field through his guidance and inspiration, as well as through his capacity to spur vigorous but productive debates. His prominent role as a writer and social commentator included highlighting problems with the inference of heritability, concepts of race, and the overemphasis of genetic influences on phenotypes. PMID- 29203696 TI - Treasure Your Exceptions: An Interview with 2017 George Beadle Award Recipient Susan A. Gerbi. AB - THE Genetics Society of America's (GSA) George W. Beadle Award honors individuals who have made outstanding contributions to the community of genetics researchers and who exemplify the qualities of its namesake. The 2017 recipient is Susan A. Gerbi, who has been a prominent leader and advocate for the scientific community. In the course of her research on DNA replication, Gerbi helped develop the method of Replication Initiation Point (RIP) mapping to map replication origins at the nucleotide level, improving resolution by two orders of magnitude. RIP mapping also provides the basis for the now popular use of lambda-exonuclease to enrich nascent DNA to map replication origins genome-wide. Gerbi's second area of research on ribosomal RNA revealed a conserved core secondary structure, as well as conserved nucleotide elements (CNEs). Some CNEs are universally conserved, while other CNEs are conserved in all eukaryotes but not in archaea or bacteria, suggesting a eukaryotic function. Intriguingly, the majority of the eukaryotic specific CNEs line the tunnel of the large ribosomal subunit through which the nascent polypeptide exits. Gerbi has promoted the fly Sciara coprophila as a model organism ever since she used its enormous polytene chromosomes to help develop the method of in situ hybridization during her Ph.D. research in Joe Gall's laboratory. The Gerbi laboratory maintains the Sciara International Stock Center and manages its future, actively spreading Sciara stocks to other laboratories. Gerbi has also served in many leadership roles, working on issues of science policy, women in science, scientific training, and career preparation. This is an abridged version of the interview. The full interview is available on the Genes to Genomes blog, at genestogenomes.org/gerbi. PMID- 29203697 TI - Frontiers of Knowledge: An Interview with 2017 Edward Novitski Prize Recipient Jonathan Hodgkin. AB - The Genetics Society of America's Edward Novitski Prize recognizes a single experimental accomplishment or a body of work in which an exceptional level of creativity and intellectual ingenuity has been used to design and execute scientific experiments to solve a difficult problem in genetics. The 2017 winner, Jonathan Hodgkin, used elegant genetic studies to unravel the sex determination pathway in Caenorhabditis elegans He inferred the order of genes in the pathway and their modes of regulation using epistasis analyses-a powerful tool that was quickly adopted by other researchers. He expanded the number and use of informational suppressor mutants in C. elegans that are able to act on many genes. He also introduced the use of collections of wild C. elegans to study naturally occurring genetic variation, paving the way for SNP mapping and QTL analysis, as well as studies of hybrid incompatibilities between worm species. His current work focuses on nematode-bacterial interactions and innate immunity. PMID- 29203698 TI - Beautiful Piles of Bones: An Interview with 2017 Genetics Society of America Medal Recipient David M. Kingsley. AB - The Genetics Society of America Medal is awarded to an individual for outstanding contributions to the field of genetics in the last 15 years. Recipients of the GSA Medal are recognized for elegant and highly meaningful contributions to modern genetics, exemplifying the ingenuity of GSA membership. The 2017 recipient is David M. Kingsley, whose work in mouse, sticklebacks, and humans has shifted paradigms about how vertebrates evolve. Kingsley first fell in love with genetics in graduate school, where he worked on receptor mediated endocytosis with Monty Krieger. In his postdoctoral training he was able to unite genetics with his first scientific love: vertebrate morphology. He joined the group of Neal Copeland and Nancy Jenkins, where he led efforts to map the classical mouse skeletal mutation short ear Convinced that experimental genetics had a unique power to reveal the inner workings of evolution, Kingsley then established the stickleback fish as an extraordinarily productive model of quantitative trait evolution in wild species. He and his colleagues revealed many important insights, including the discoveries that major morphological differences can map to key loci with large effects, that regulatory changes in essential developmental control genes have produced advantageous new traits, and that nature has selected the same genes over and over again to drive the stickleback's skeletal evolution. Recently, Kingsley's group has been using these lessons to reveal more about how our own species evolved.This is an abridged version of the interview. The full interview is available on the Genes to Genomes blog, at genestogenomes.org/kingsley/. PMID- 29203700 TI - Previous Recipients of GSA Awards. PMID- 29203699 TI - Inside the Literature: An Interview with Sally G. Hoskins, 2017 Recipient of the Elizabeth W. Jones Award for Excellence in Education. AB - The Genetics Society of America's Elizabeth W. Jones Award for Excellence in Education recognizes significant and sustained impact on genetics education. The 2017 recipient is Sally G. Hoskins, in recognition of her role in developing and promoting the transformative science education method CREATE (Consider, Read, Elucidate hypotheses, Analyze and interpret data, and Think of the next Experiment). This innovative approach uses primary literature to engage students, allowing them to experience for themselves the creativity and challenge of study design, analysis, interpretation, collaboration, and debate. Comprehensive evaluation of CREATE has consistently found that students improve in difficult-to teach skills like critical thinking and experimental design, while showing improved attitudes and beliefs about science.This is an abridged version of the interview. The full interview is available on the Genes to Genomes blog, at genestogenomes.org/hoskins/. PMID- 29203703 TI - Massively Parallel Functional Analysis of BRCA1 RING Domain Variants. PMID- 29203702 TI - Gene Tagging Strategies To Assess Protein Expression, Localization, and Function in Drosophila. PMID- 29203701 TI - Regulation of Carbohydrate Energy Metabolism in Drosophila melanogaster. AB - Carbohydrate metabolism is essential for cellular energy balance as well as for the biosynthesis of new cellular building blocks. As animal nutrient intake displays temporal fluctuations and each cell type within the animal possesses specific metabolic needs, elaborate regulatory systems are needed to coordinate carbohydrate metabolism in time and space. Carbohydrate metabolism is regulated locally through gene regulatory networks and signaling pathways, which receive inputs from nutrient sensors as well as other pathways, such as developmental signals. Superimposed on cell-intrinsic control, hormonal signaling mediates intertissue information to maintain organismal homeostasis. Misregulation of carbohydrate metabolism is causative for many human diseases, such as diabetes and cancer. Recent work in Drosophila melanogaster has uncovered new regulators of carbohydrate metabolism and introduced novel physiological roles for previously known pathways. Moreover, genetically tractable Drosophila models to study carbohydrate metabolism-related human diseases have provided new insight into the mechanisms of pathogenesis. Due to the high degree of conservation of relevant regulatory pathways, as well as vast possibilities for the analysis of gene-nutrient interactions and tissue-specific gene function, Drosophila is emerging as an important model system for research on carbohydrate metabolism. PMID- 29203706 TI - Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective. AB - Many heat shock proteins (HSPs) are essential to survival as a consequence of their role as molecular chaperones, and play a critical role in maintaining cellular proteostasis by integrating the fundamental processes of protein folding and degradation. HSPs are arguably among the most prominent classes of proteins that have been broadly linked to many human disorders, with changes in their expression profile and/or intracellular/extracellular location now being described as contributing to the pathogenesis of a number of different diseases. Although the concept was initially controversial, it is now widely accepted that HSPs have additional biological functions over and above their role in proteostasis (so-called 'protein moonlighting'). Most importantly, these new insights are enlightening our understanding of biological processes in health and disease, and revealing novel and exciting therapeutic opportunities. This theme issue draws on therapeutic insights from established research on HSPs in cancer and other non-communicable disorders, with an emphasis on how the intracellular function of HSPs contrasts with their extracellular properties and function, and interrogates their potential diagnostic and therapeutic value to the prevention, management and treatment of chronic diseases.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203707 TI - Extracellular cell stress (heat shock) proteins-immune responses and disease: an overview. AB - Extracellular cell stress proteins are highly conserved phylogenetically and have been shown to act as powerful signalling agonists and receptors for selected ligands in several different settings. They also act as immunostimulatory 'danger signals' for the innate and adaptive immune systems. Other studies have shown that cell stress proteins and the induction of immune reactivity to self-cell stress proteins can attenuate disease processes. Some proteins (e.g. Hsp60, Hsp70, gp96) exhibit both inflammatory and anti-inflammatory properties, depending on the context in which they encounter responding immune cells. The burgeoning literature reporting the presence of stress proteins in a range of biological fluids in healthy individuals/non-diseased settings, the association of extracellular stress protein levels with a plethora of clinical and pathological conditions and the selective expression of a membrane form of Hsp70 on cancer cells now supports the concept that extracellular cell stress proteins are involved in maintaining/regulating organismal homeostasis and in disease processes and phenotype. Cell stress proteins, therefore, form a biologically complex extracellular cell stress protein network having diverse biological, homeostatic and immunomodulatory properties, the understanding of which offers exciting opportunities for delivering novel approaches to predict, identify, diagnose, manage and treat disease.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203708 TI - Protein moonlighting: what is it, and why is it important? AB - Members of the GroEL/HSP60 protein family have been studied for many years because of their critical roles as ATP-dependent molecular chaperones, so it might come as a surprise that some have important functions in ATP-poor conditions, for example, when secreted outside the cell. At least some members of each of the HSP10, HSP70, HSP90, HSP100 and HSP110 heat shock protein families are also 'moonlighting proteins'. Moonlighting proteins exhibit more than one physiologically relevant biochemical or biophysical function within one polypeptide chain. In this class of multifunctional proteins, the multiple functions are not due to gene fusions or multiple proteolytic fragments. Several hundred moonlighting proteins have been identified, and they include a diverse set of proteins with a large variety of functions. Some participate in multiple biochemical processes by using an active site pocket for catalysis and a different part of the protein's surface to interact with other proteins. Moonlighting proteins play a central role in many diseases, and the development of novel treatments would be aided by more information addressing current questions, for example, how some are targeted to multiple cellular locations and how a single function can be targeted by therapeutics without targeting a function not involved in disease.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203709 TI - Heat shock proteins and cancer: intracellular chaperones or extracellular signalling ligands? AB - Heat shock proteins (HSPs) are found at elevated concentrations in tumour cells, and this increase reflects the proteotoxic stress experienced by the cells due to expanding levels of the mutated oncoproteins that drive tumorigenesis. The protection of oncogenic proteins by HSPs offers a window of vulnerability in tumour metabolism that has been exploited using Hsp90-targeting drugs. Such compounds have been shown to cause inhibition and degradation of a wide range of proteins essential for oncogenesis. Recently, Hsp90 has also been shown to be secreted by tumour cells and to interact in autocrine or paracrine manners with the surfaces of adjacent cells, leading to increased growth and metastasis. Future studies will address a number of key questions associated with these findings, including the relative importance of intracellular versus extracellular HSPs in tumorigenesis, as well as overcoming potential problems with normal tissue toxicity associated with Hsp90 drugs. Targeting individual members of HSP families and inactivating extracellular HSPs may be desirable future approaches that offer increased selectivity in targeting HSPs in cancer.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203710 TI - The heat-shock, or HSF1-mediated proteotoxic stress, response in cancer: from proteomic stability to oncogenesis. AB - The heat-shock, or HSF1-mediated proteotoxic stress, response (HSR/HPSR) is characterized by induction of heat-shock proteins (HSPs). As molecular chaperones, HSPs facilitate the folding, assembly, transportation and degradation of other proteins. In mammals, heat shock factor 1 (HSF1) is the master regulator of this ancient transcriptional programme. Upon proteotoxic insults, the HSR/HPSR is essential to proteome homeostasis, or proteostasis, thereby resisting stress and antagonizing protein misfolding diseases and ageing. Contrasting with these benefits, an unexpected pro-oncogenic role of the HSR/HPSR is unfolding. Whereas HSF1 remains latent in primary cells without stress, it becomes constitutively activated within malignant cells, rendering them addicted to HSF1 for their growth and survival. Highlighting the HSR/HPSR as an integral component of the oncogenic network, several key pathways governing HSF1 activation by environmental stressors are causally implicated in malignancy. Importantly, HSF1 impacts the cancer proteome systemically. By suppressing tumour-suppressive amyloidogenesis, HSF1 preserves cancer proteostasis to support the malignant state, both providing insight into how HSF1 enables tumorigenesis and suggesting disruption of cancer proteostasis as a therapeutic strategy. This review provides an overview of the role of HSF1 in oncogenesis, mechanisms underlying its constitutive activation within cancer cells and its pro-oncogenic action, as well as potential HSF1-targeting strategies.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203712 TI - Heat shock protein 90: its inhibition and function. AB - The molecular chaperone heat shock protein 90 (Hsp90) facilitates metastable protein maturation, stabilization of aggregation-prone proteins, quality control of misfolded proteins and assists in keeping proteins in activation-competent conformations. Proteins that rely on Hsp90 for function are delivered to Hsp90 utilizing a co-chaperone-assisted cycle. Co-chaperones play a role in client transfer to Hsp90, Hsp90 ATPase regulation and stabilization of various Hsp90 conformational states. Many of the proteins chaperoned by Hsp90 (Hsp90 clients) are essential for the progression of various diseases, including cancer, Alzheimer's disease and other neurodegenerative diseases, as well as viral and bacterial infections. Given the importance of these clients in different diseases and their dynamic interplay with the chaperone machinery, it has been suggested that targeting Hsp90 and its respective co-chaperones may be an effective method for combating a large range of illnesses.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203711 TI - Membrane heat shock protein 70: a theranostic target for cancer therapy. AB - Members of the 70 kDa stress protein family are found in nearly all subcellular compartments of nucleated cells where they fulfil a number of chaperoning functions. Heat shock protein 70 (HSP70), also termed HSPA1A, the major stress inducible member of this family is overexpressed in a large variety of different tumour types. Apart from its intracellular localization, a tumour-selective HSP70 membrane expression has been determined. A membrane HSP70-positive tumour phenotype is associated with aggressiveness and therapy resistance, but also serves as a recognition structure for targeted therapies. Furthermore, membrane bound and extracellularly residing HSP70 derived from tumour cells play pivotal roles in eliciting anti-tumour immune responses. Herein, we want to shed light on the multiplicity of different activities of HSP70, depending on its intracellular, membrane and extracellular localization with the goal to use membrane HSP70 as a target for novel therapies including nanoparticle-based approaches for the treatment of cancer.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203713 TI - Therapeutic potential of heat shock protein induction for muscular dystrophy and other muscle wasting conditions. AB - Duchenne muscular dystrophy is the most common and severe of the muscular dystrophies, a group of inherited myopathies caused by different genetic mutations leading to aberrant expression or complete absence of cytoskeletal proteins. Dystrophic muscles are prone to injury, and regenerate poorly after damage. Remorseless cycles of muscle fibre breakdown and incomplete repair lead to progressive and severe muscle wasting, weakness and premature death. Many other conditions are similarly characterized by muscle wasting, including sarcopenia, cancer cachexia, sepsis, denervation, burns, and chronic obstructive pulmonary disease. Muscle trauma and loss of mass and physical capacity can significantly compromise quality of life for patients. Exercise and nutritional interventions are unlikely to halt or reverse the conditions, and strategies promoting muscle anabolism have limited clinical acceptance. Heat shock proteins (HSPs) are molecular chaperones that help proteins fold back to their original conformation and restore function. Since many muscle wasting conditions have pathophysiologies where inflammation, atrophy and weakness are indicated, increasing HSP expression in skeletal muscle may have therapeutic potential. This review will provide evidence supporting HSP induction for muscular dystrophy and other muscle wasting conditions.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203714 TI - Exercise, heat shock proteins and insulin resistance. AB - Best known as chaperones, heat shock proteins (HSPs) also have roles in cell signalling and regulation of metabolism. Rodent studies demonstrate that heat treatment, transgenic overexpression and pharmacological induction of HSP72 prevent high-fat diet-induced glucose intolerance and skeletal muscle insulin resistance. Overexpression of skeletal muscle HSP72 in mice has been shown to increase endurance running capacity nearly twofold and increase mitochondrial content by 50%. A positive correlation between HSP72 mRNA expression and mitochondrial enzyme activity has been observed in human skeletal muscle, and HSP72 expression is markedly decreased in skeletal muscle of insulin resistant and type 2 diabetic patients. In addition, decreased levels of HSP72 correlate with insulin resistance and non-alcoholic fatty liver disease progression in livers from obese patients. These data suggest the targeted induction of HSPs could be a therapeutic approach for preventing metabolic disease by maintaining the body's natural stress response. Exercise elicits a number of metabolic adaptations and is a powerful tool in the prevention and treatment of insulin resistance. Exercise training is also a stimulus for increased HSP expression. Although the underlying mechanism(s) for exercise-induced HSP expression are currently unknown, the HSP response may be critical for the beneficial metabolic effects of exercise. Exercise-induced extracellular HSP release may also contribute to metabolic homeostasis by actively restoring HSP72 content in insulin resistant tissues containing low endogenous levels of HSPs.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203716 TI - Immune tolerance therapies for autoimmune diseases based on heat shock protein T cell epitopes. AB - Experimental models of autoimmune diseases have revealed the disease protective role of heat shock proteins (HSPs). Both the administration of exogenous extracellular, mostly recombinant, HSP and the experimental co-induction of endogenous intracellular HSP in models have been shown to lead to production of disease protective regulatory T cells (Tregs). Similar to HSP taken up from extracellular bodily fluids, due to stress-related autophagy upregulated HSP also from intracellular sources is a major provider for the major histocompatibility class II (MHCII) ligandome; therefore, both extracellular and intracellular HSP can be prominent targets of Treg. The development of therapeutic peptide vaccines for the restoration of immune tolerance in inflammatory diseases is an area of intensive research. In this area, HSPs are a target for tolerance-inducing T-cell therapy, because of their wide expression in inflamed tissues. In humans, in whom the actual disease trigger is frequently unknown, HSP peptides offer chances for tolerance-promoting interventions through induction of HSP-specific Treg. Recently, we have shown the ability of a bacterial HSP70-derived peptide, HSP70 B29, to induce HSP-specific Tregs that suppressed arthritis by cross-recognition of their mammalian HSP70 homologues, abundantly present in the MHCII ligandome of stressed mouse and human antigen-presenting cells in inflamed tissues.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203715 TI - The role of heat shock proteins and co-chaperones in heart failure. AB - The ongoing contractile and metabolic demands of the heart require a tight control over protein quality control, including the maintenance of protein folding, turnover and synthesis. In heart disease, increases in mechanical and oxidative stresses, post-translational modifications (e.g., phosphorylation), for example, decrease protein stability to favour misfolding in myocardial infarction, heart failure or ageing. These misfolded proteins are toxic to cardiomyocytes, directly contributing to the common accumulation found in human heart failure. One of the critical class of proteins involved in protecting the heart against these threats are molecular chaperones, including the heat shock protein70 (HSP70), HSP90 and co-chaperones CHIP (carboxy terminus of Hsp70 interacting protein, encoded by the Stub1 gene) and BAG-3 (BCL2-associated athanogene 3). Here, we review their emerging roles in the maintenance of cardiomyocytes in human and experimental models of heart failure, including their roles in facilitating the removal of misfolded and degraded proteins, inhibiting apoptosis and maintaining the structural integrity of the sarcomere and regulation of nuclear receptors. Furthermore, we discuss emerging evidence of increased expression of extracellular HSP70, HSP90 and BAG-3 in heart failure, with complementary independent roles from intracellular functions with important therapeutic and diagnostic considerations. While our understanding of these major HSPs in heart failure is incomplete, there is a clear potential role for therapeutic modulation of HSPs in heart failure with important contextual considerations to counteract the imbalance of protein damage and endogenous protein quality control systems.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203719 TI - An Ediacaran pre-placozoan alternative to the pre-sponge route towards the Cambrian explosion of animal life: a comment on Cavalier-Smith 2017. PMID- 29203717 TI - Hsp90 and FKBP51: complex regulators of psychiatric diseases. AB - Mood disorders affect nearly a quarter of the world's population. Therefore, understanding the molecular mechanisms underlying these conditions is of great importance. FK-506 binding protein 5 (FKBP5) encodes the FKBP51 protein, a heat shock protein 90 kDa (Hsp90) co-chaperone, and is a risk factor for several affective disorders. FKBP51, in coordination with Hsp90, regulates glucocorticoid receptor (GR) activity via a short negative feedback loop. This signalling pathway rapidly restores homeostasis in the hypothalamic-pituitary-adrenal (HPA) axis following stress. Expression of FKBP5 increases with age through reduced DNA methylation. High levels of FKBP51 are linked to GR resistance and reduced stress coping behaviour. Moreover, common allelic variants in the FKBP5 gene are associated with increased risk of developing affective disorders like anxiety, depression and post-traumatic stress disorder (PTSD). This review highlights the current understanding of the Hsp90 co-chaperone, FKBP5, in disease from both human and animal studies. In addition, FKBP5 genetic implications in the clinic involving life stress exposure, gender differences and treatment outcomes are discussed.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203720 TI - Vendozoa and selective forces on animal origin and early diversification: reply to Dufour and McIlroy (2017). PMID- 29203721 TI - Correction to 'Lost in transmission...?' PMID- 29203718 TI - DNAJ Proteins in neurodegeneration: essential and protective factors. AB - Maintenance of protein homeostasis is vitally important in post-mitotic cells, particularly neurons. Neurodegenerative diseases such as polyglutamine expansion disorders-like Huntington's disease or spinocerebellar ataxia (SCA), Alzheimer's disease, fronto-temporal dementia (FTD), amyotrophic lateral sclerosis (ALS) and Parkinson's disease-are often characterized by the presence of inclusions of aggregated protein. Neurons contain complex protein networks dedicated to protein quality control and maintaining protein homeostasis, or proteostasis. Molecular chaperones are a class of proteins with prominent roles in maintaining proteostasis, which act to bind and shield hydrophobic regions of nascent or misfolded proteins while allowing correct folding, conformational changes and enabling quality control. There are many different families of molecular chaperones with multiple functions in proteostasis. The DNAJ family of molecular chaperones is the largest chaperone family and is defined by the J-domain, which regulates the function of HSP70 chaperones. DNAJ proteins can also have multiple other protein domains such as ubiquitin-interacting motifs or clathrin-binding domains leading to diverse and specific roles in the cell, including targeting client proteins for degradation via the proteasome, chaperone-mediated autophagy and uncoating clathrin-coated vesicles. DNAJ proteins can also contain ER-signal peptides or mitochondrial leader sequences, targeting them to specific organelles in the cell. In this review, we discuss the multiple roles of DNAJ proteins and in particular focus on the role of DNAJ proteins in protecting against neurodegenerative diseases caused by misfolded proteins. We also discuss the role of DNAJ proteins as direct causes of inherited neurodegeneration via mutations in DNAJ family genes.This article is part of the theme issue 'Heat shock proteins as modulators and therapeutic targets of chronic disease: an integrated perspective'. PMID- 29203722 TI - What do polymorphisms tell us about the mechanisms of COPD? AB - COPD (chronic obstructive pulmonary disease) is characterized by irreversible lung airflow obstruction. Cigarette smoke is the major risk factor for COPD development. However, only a minority number of smokers develop COPD, and there are substantial variations in lung function among smokers, suggesting that genetic determinants in COPD susceptibility. During the past decade, genome-wide association studies and exome sequencing have been instrumental to identify the genetic determinants of complex traits, including COPD. Focused studies have revealed mechanisms by which genetic variants contribute to COPD and have led to novel insights in COPD pathogenesis. Through functional investigations of causal variants in COPD, from the proteinase-antiproteinase theory to emerging roles of developmental pathways (such as Hedgehog and Wnt pathways) in COPD, we have greatly expanded our understanding on this complex pulmonary disease. In this review, we critically review functional investigations on roles of genetic polymorphisms in COPD, and discuss future challenges and opportunities in discovering novel mechanisms of functional variants. PMID- 29203724 TI - Treatments for genital tract chlamydia infections during pregnancy. PMID- 29203723 TI - Oxidative stress and reactive oxygen species: a review of their role in ocular disease. AB - For many years, oxidative stress arising from the ubiquitous production of reactive oxygen species (ROS) has been implicated in the pathogenesis of various eye diseases. While emerging research has provided some evidence of the important physiological role of ROS in normal cell function, disease may arise where the concentration of ROS exceeds and overwhelms the body's natural defence against them. Additionally, ROS may induce genomic aberrations which affect cellular homoeostasis and may result in disease. This literature review examines the current evidence for the role of oxidative stress in important ocular diseases with a view to identifying potential therapeutic targets for future study. The need is particularly pressing in developing treatments for conditions which remain notoriously difficult to treat, including glaucoma, diabetic retinopathy and age-related macular degeneration. PMID- 29203725 TI - OTC miconazole oral gel contraindicated in patients taking warfarin. PMID- 29203726 TI - DOACs and risk of major bleeding with concomitant medicines. PMID- 29203727 TI - Anti-IL-5 therapies for asthma. PMID- 29203728 TI - Outcomes for cancer drugs approved in Europe. PMID- 29203729 TI - Interstitial fluid glucose monitoring system. PMID- 29203730 TI - Assessment of HPV vaccination programme. PMID- 29203731 TI - Mechanical thrombectomy and rescue therapy for intracranial large artery occlusion with underlying atherosclerosis. AB - OBJECTIVE: To investigate the safety and efficacy of mechanical thrombectomy plus rescue therapy for intracranial large artery occlusion (ILAO) with underlying intracranial atherosclerosis (ICAS). METHODS: Patients enrolled in the intervention group of EAST (Endovascular Therapy for Acute ischemic Stroke Trial) were analyzed. For underlying ICAS identified during the stent retrieval procedure, rescue treatment was required for those with (1) a degree of arterial stenosis >70% or (2) any degree of arterial with blood flow impairment or (3) evidence of re-occlusion. Outcomes were compared between the ICAS group and the embolic group. Multivariate logistic regression was performed to determine independent predictors of functional independence at 90 days. RESULTS: Among the 140 patients included in the analysis, underlying ICAS was identified in 47 (34%), and 30 patients (21.4%) were considered to be eligible to receive rescue treatment. Of the 30 patients, 27 (90%) actually received rescue therapy. Recanalization rate (95.7% vs 96.8%, P=0.757) and functional independence at 90 days (63.8% vs 51.6%, P=0.169) were comparable between the ICAS group and the embolic group. No significant difference in symptomatic hemorrhage (4.3% vs 4.3%, P=1.000) or death (12.8% vs 12.9%, P=0.982) was found between the two groups. National Institutes of Health Stroke Scale score at presentation (OR=0.865, 95% CI 0.795 to 0.941; P=0.001) and modified Thrombolysis in Cerebral Infarction after the procedure (OR=2.864, 95% CI 1.018 to 8.061; P=0.046) were independently associated with functional independence at 90 days. CONCLUSIONS: Mechanical thrombectomy is safe in patients with ILAO with underlying ICAS. By employing a standard rescue therapy, favorable outcomes could be achieved in such patients. CLINICAL TRIAL REGISTRATION: NCT02350283 (Post-results). PMID- 29203732 TI - X-ray angiography perfusion imaging with an intra-arterial injection: comparative study with 15O-gas/water positron emission tomography. AB - BACKGROUND: X-ray angiography perfusion (XAP) is a perfusion imaging technique based on conventional DSA. OBJECTIVE: In this study, we aimed to validate parameters derived from XAP by comparing them with 15O-gas/water positron emission tomography (PET), using data from patients with chronic ischemic cerebrovascular disease. METHODS: 18 consecutive patients were included. XAP was performed with intra-arterial infusion of contrast media, and a time-density curve was constructed for each cerebral hemisphere. From the curves, the relative values of mean transit time (rMTT) and wash-in rate (rWiR) were obtained by dividing the values of the right hemisphere by those of the left hemisphere. These were then compared with the relative values of cerebral blood flow (rCBF) and rMTT calculated from the PET data. RESULTS: XAP rWiR correlated strongly with PET rCBF (r=0.86, P<0.0001). rMTT measurements from the two modalities were also strongly correlated (r=0.85, P<0.0001). Bland-Altman analysis revealed a bias of 0.14+/-0.18 (95% limits of agreement -0.22 to 0.51) for PET rCBF versus XAP rWiR, and 0.016+/-0.093 (95% limits of agreement -0.17 to 0.20) for rMTT between the two modalities. CONCLUSIONS: The relative values obtained from XAP were validated across a population of patients with chronic ischemic cerebrovascular disease. PMID- 29203733 TI - [Assessment of knowledge about hypothermia among the medical personnel of polish medical air rescue]. AB - : Polish Medical Air Rescue is tasked to deal with the most serious incidents associated with life threatening situations, in multiple circumstances. As a consequence, medical personnel have to meet high standards of education and show a continuous theoretical and practical development of the skills which are necessary during medical treatment. Thanks to the introduction of ECMO treatment for accidental hypothermia patients, new clinical and operational possibilities have arisen, so more patients can be saved with a very good neurological outcome. AIM: To analyze the data on hypothermia collected by the personnel of Polish Medical Air Rescue and to assess the e-learning platform as an educational tool. MATERIALS AND METHODS: 123 persons were involved. The subject of analysis were the e-learning platform results of the Polish Medical Air Rescue medical personnel. The e-learning consisted of a pre-test, 8 lessons followed by MCQ's (multi choice questions) and a post-test. RESULTS AND CONCLUSIONS: We could not prove a statistically significant difference in the knowledge about hypothermia between doctors and other medical professionals. Post-traumatic hypothermia and associated coagulation disturbances are two important topics requiring particular focus during the design of further educational and training projects. As a consequence of the training, both groups significantly improved their knowledge: i.e. a statistically significant improvement of knowledge about hypothermia between pre-test and post-test results in both groups was shown. The hypothermia e-learning platform for medical personnel is an effective educational tool. PMID- 29203734 TI - Effect of pioglitazone on insulin resistance, progression of atherosclerosis and clinical course of coronary heart disease. AB - INTRODUCTION: Pioglitazone, a medication of thiazolidinedione group, is capable of triggering the peroxisome proliferator-activated receptors (PPAR-gamma). Activation of receptor PPAR-gamma regulates carbohydrate and lipid metabolism, immune and inflammatory responses in heart tissues. THE AIM: Our aim was to study the effect of pioglitazone on insulin resistance, the clinical course of atherosclerosis and coronary heart disease (CHD). MATERIALS AND METHODS: The study included 43 patients with coronary artery disease. Patients were divided into the main group - 20 patients, in whom pioglitazone (Pioglar, Ranbaxy, India) was included in the combined therapy at a dose of 15 mg 1 time per day in the morning, and the comparison group - 23 patients receiving standard complex drug therapy over 6 months. Patients underwent clinical examination, ultrasound of neck vessels, study of carbohydrate and lipid metabolism. RESULTS: Joining pioglitazone to standard therapy resulted in the reduction of systolic (p<0.05) and diastolic (p<0.05) blood pressure; decrease in the duration of pain attacks (p<0.05); reduction in the frequency of angina attacks (p<0.05); regression of atherosclerosis of the carotid vessels (p<0.05), decrease in the thickness of the intima-media complex (p<0.05). The decline in oral glucose tolerance test (p<0.05), hyperglycemic factor (p<0.05), total cholesterol (p<0.05), and low density lipoproteins (p<0.05) were observed, as well as increased high-density lipoprotein (p<0.05). CONCLUSION: Long-term treatment with pioglitazone at low doses against the background of standard therapy contributes to functional and clinical condition of patients, promotes the prevention of atherosclerosis and reduction of insulin resistance, thereby improving the clinical manifestations of coronary heart disease. PMID- 29203735 TI - Histomorphologic changes of esophageal mucosa in experimental third degree stricture. AB - INTRODUCTION: Nowadays the level of early and late complications after the operations for esophageal corrosive strictures such as esophago-organ anastomotic leak, development of infections, pneumonia, pleural empyema, mediastinitis, peritonitis, postoperative corrosive stricture development etc. remains rather high. Besides, postoperative mortality rate is high as well - 3.5-30 %. For that reason, an experimental model of esophageal stricture was suggested and ultrastructural mucosal changes in the stricture itself were studied to elaborate the unified pathogenic approach in treatment of esophageal stricture and improvement of its results. The aim of our work was to study the dynamics of ultrastructural changes both in normal esophageal walls and in third degree esophageal stricture Materials and Methods: The experiment was carried out on white male rats weighting 250-300 grams, to whom the third degree esophageal stricture model was created. After layer-by-layer incision of anterior abdominal wall abdominal portion of the esophagus was completely ligated (10 rats). In the control group (6 rats) anterior abdominal wall was opened with its subsequent layered closure. The animals were withdrawn from the experiment on the third day by ketamine overdose, and the samples were taken for ultrastructural study. RESULTS: Electron microscopic study of submicroscopic organization of basal, prickle, superficial epithelial cells in stratified non-squamous epithelium, smooth myocytes of muscle plate and contractile elements in esophageal muscular layer was carried out. Nuclear membrane, membranes of mitochondria, endoplasmic reticulum and cytoplasmic Golgi complex were found to be subjected to focal lysis. The third degree esophageal stricture caused destructive lesions in ultrastructural architectonics of stratified non-squamous epithelium cells, smooth myocytes of muscle plate and contractile elements in esophageal muscular layer of rats. CONCLUSION: Thus, catabolic processes leading to organelle disintegration develop in esophageal cells of rats with third degree stricture. PMID- 29203736 TI - The exchange of monoamines during the experimental neurosis on the background of using of amide "2-hydroxy-n-naphthalen-1-yl-2-(2-oxo-,2-dihydroindol-3-ylidene)". AB - INTRODUCTION: Incessant increase in the frequency and distribution of anxiety disorders stipulates searching, research and study of the mechanism of action of new substances for their correction, including the group of 2-oxoindolin-3 glyoxylic acid derivatives. THE AIM: To research the effect of N-(1-naphthyl) amide-2-oxoindolin-3-glyoxylic acid on monoaminergic system of subjected to experimental neurosis of rats. MATERIALS AND METHODS: The experiments were performed on male Wistar rats, who have weight 180-220g and were researching the effect of 2-hydro-N-naphthalen-1-yl-2-(2-oxy-1,2-dihydroindol-3-ylidene) acetamide (compound 18) at a dose (12 mg/kg), by intragastric drug injection of subjected to experimental neurosis rats, during 30 days (1 time in three days), for monoamines content (epinephrine, norepinephrine, dopamine and serotonin) in the blood, their decay products (homovanillic acid, vanillylmandelic acid and 5 oxyindolacetic acid) in the urine and the ratio of end products of the reaction to their predecessors. RESEARCH: It was established that during the preventive therapeutic application of N-(1-naphthyl)amide-2-oxoindolin-3-glyoxylic acid, it effectively adjusts the level of monoamines, reducing the content of adrenaline and increasing the content of noradrenaline, dopamine and 5-HT in the blood. The compound also reduces the content of products exchange of mediators (HVA,VMA and 5-OIAA) in the urine. The 2-oxoindolin derivatives reduces the ratio between HVA/dopamine, VMA/(noradrenaline + adrenaline) and 5-OIAA/5-HT, it testifies about the normalizing of enzymes activity, which are involved in the process of exchange and maintaining the constancy of monoamines. The results show that in the mechanisms of anxiolytic action of compound 18, a significant role plays the normalization of content and exchange of neurotransmitters in the organism, which caused an experimental neurosis. CONCLUSION: Compound 2-hydro-N-naphthalen-1-yl-2 (2-oxo-1,2-dihydroindol-3-ylidene)-acetamide by the experimental 30-day neurosis, was reducing the expression of neurotransmitter imbalance in the blood, apparently due to correction of enzymatic synthesis links and biotransformation of monoamines. PMID- 29203737 TI - [Pertussis in children with incomplete active immunization]. AB - INTRODUCTION: In recent years, a significant increase in the incidence of pertussis among children has been observed both in Ukraine and worldwide. Infants who were partially vaccinated or children who became ill in a short time after complete active immunization with primary vaccination complex against pertussis are more often referred to our clinic with the diagnosis of "pertussis". THE AIM: The clinical peculiarities of pertussis study in partially vaccinated infants and infants who are in the process of vaccination against pertussis. MATERIALS AND METHODS: 83 infants aged 3-12 months in Lviv Regional Hospital of Infectious Diseases were kept under observation. The course of the disease and some laboratory dates have been investigated. Severity of pertussis was estimated by the Preziosi & Halloran score. RESULTS: Pertussis catarrhal period lasted significantly longer in partially vaccinated children. A shorter period of time during which cough with reprises persisted has been determined; a significant lower leukocytes levels and absolute amount of lymphocytes have been revealed both on admission and in the dynamics of the disease in vaccinated children as compared with unvaccinated patients. CONCLUSIONS: We have concluded that the children, who received 1, 2 and/or 3 inoculations during primary vaccination against pertussis in epidemics period, are at high risk for pertussis. The course of the disease in these children is reliably milder, with longer catarrhal period, less duration of spasmodic cough, fewer episodes of cough during the day, lower rate of complications. PMID- 29203738 TI - Mathematical model of diabetic encephalopathy. AB - INTRODUCTION: Diabetes mellitus (DM) is one of the leading risk factors for cerebrovascular disorders. The risk of stroke is 3-4 times higher in this population. In 10% of cases of vascular accidents in diabetic patients leads to fatal. The mortality rate for ischemic stroke is undergoing 50-60% and 70-95% of hemorrhagic form. It is known that diabetes increases the course of acute disorders of cerebral circulation. At the same time, there are data that about 415 million of the inhabitants of the planet suffer from diabetes, in 95% of cases they have type 2 diabetes, which is the second risk factor for the development of ischemic stroke after an arterial hypertension. This determines the relevance of studying the factors that affect the development of the ischemic process in patients with diabetes The aim of this research is to optimize the methods for diagnosis of diabetic encephalopathy based on a study of indicators of cerebrovascular hemodynamics, functional state of the brain, metabolic disorders and morphological characteristics of the brain tissue. MATERIALS AND METHODS: It was carried out a comprehensive survey of 537 patients with diabetes, including type 1 diabetes is set to 342 (63.7%) type 2 diabetes - in 195 (36.3%) patients. In 108 (20.1%) patients with diabetes, the clinical syndrome DE not identified in 429 (79.9%) - found DE I, II and stage III disease. CONCLUSIONS: Construction of mathematical model allows to objectify the diagnosis where with the help of clinical and metabolic parameters without expensive equipment. At the same time, the availability of informative indicators identified will allow the doctor to diagnose DE the early stages or to predict its development and to discover at the preclinical stage. PMID- 29203739 TI - 4 and 6 interleukin's action in the pathogenesis of periodontitis, gingivitis and dental alveolitis. AB - INTRODUCTION: The paper presents the results of studying the role of interleukins 4 and 6 in the pathogenesis of periodontal tissue diseases, specifically, in periodontitis, gingivitis and alveolitis. THE AIM: To study the nature of participation of IL-4 and IL-6 in the mechanisms of development of periodontitis, gingivitis and alveolitis. MATERIALS AND METHODS: Studies were carried out on 80 nonlinear male rats with a body weight of 200.0 to 220.0 g divided into four groups of 20 animals each. The serum level of cytokines was determined by an enzyme immunoassay on the Multiscane Biotech analyzer using test systems manufactured by Caltag laboratories (USA). Statistical processing of the obtained digital results was processed with the help of the program "Statistica 8.0". Indicators of the reliability of changes between the control and intact groups also used the Student's test and the Excel program. The confidence level was taken at p <0.05. RESULTS: As a result of our experiments, noticeable changes in the anti-inflammatory cytokine IL-4 were observed in rats with experimental periodontitis. The level of IL-4 cytokine in rats with alveolitis did not differ from control. The level of proinflammatory cytokine IL-6 from all groups of animals with periodontal disease differed from control only in rats with gingivitis, where it decreased by 74% and its level became less with alveolitis and periodontitis, since in these diseases the level of IL-6 was practically the same from the control (p <0,05). We also succeeded in revealing that at a low level of profibrogenic IL-6, there is not enough stimulation of collagen synthesis in the periodontal bone tissue. The increased level of IL-4 in a group of animals with gingivitis, on the contrary, indicates the realization of a pathological reaction of the organism. CONCLUSIONS: The change in the levels of pro- and anti-inflammatory interleukins, especially with gingivitis, indicates a decrease in the body's adaptive reserves and may affect the further dynamics of the inflammatory process in the periodontal tissues. PMID- 29203740 TI - Optical density of upper jaw in patients with malocclusion. AB - INTRODUCTION: The growth and formation of facial skeleton is in interrelation with growth of cervical spine. Computer tomography plays an important role to examine and investigate the density of bony tissue resulting from total increase of osteopenic diseases and diseases of periodontal tissue. The aim of the paper is to compare indices of mineral density of bony tissue of the upper jaw and mineral density of the second cervical vertebra in patients with malocclusion. MATERIALS AND METHODS: 37 orthodontic patients were involved in the investigation. They were divided into three age groups depending on the period of formation of dentofacial system. Density measurement of bone of the second cervical vertebra was done and also density measurement of upper jaw in the area of alveolar process between central incisors, canines and the first premolar on the level of the middle of roots, in the area of the first molars under the level of bifurcation and in cusp was performed. RESULTS: Optical density of bone of the second cervical vertebra with age increases from 501+/-61,06 to 587,6+/-48,81. The densest area on the upper jaw is alveolar process between central incisors, which increases with age from 1045,14+/-59,81 to 1318+/-69,28. The least indices of optical density were determined in area of the cusp of the upper jaw: the first group presented 174,21+/-38,94, and the third one included 338,87+/-26,91. CONCLUSIONS: Densitometry of bony tissue with computer tomography is diagnostically informative and available method for investigation and it can be used for diagnostics of bony tissue condition and for evaluation of orthodontic treatment. PMID- 29203741 TI - [Studying of life's quality changes among children of the first three year of life with visual analyzer's congenital pathology as instrument of their social adaptation's formation in the future became a research objective]. AB - INTRODUCTION: The study of the composite qualities of life is an important component of the quality of provided medical aid. The way of our investigation that was chosen by us, the quality of life of the children of first years of life with the congenital pathology of vision arises the significant problem of assessment of its changes, because children of these ages can't take part in an interview and we adapted the standard questionnaire "Children Visual Function Questionnaire" (CVFQ) with its help the components of quality of the children of first years of life assess their parents. THE AIM: Studying of life's quality changes among children of the first three year of life with visual analyzer's congenital pathology as instrument of their social adaptation's formation in the future became a research objective. MATERIALS AND METHODS: Out-patient and polyclinic units of Kyiv's healthcare institutions in which the medical care is provided to children of the first three years of life, particularly with congenital ophthalmic pathology (3 institutions) were scientific base of a research. We have been used the adapted version of the standardized questionnaire of Children's Visual Function Questionnaire (CVFQ) Felius et al were primary material. (2004) - 498 questionnaires, from them 398 of the main group and 100 of control. The purpose of a research required using the complex of research methods, a basis for which is a system approach, namely: medico-statistical and sociological (the respondents were informed about the purpose and research problems and timely gave the oral voluntary agreement in anonymous poll before the filling of questionnaires) methods. RESULTS: The results of a research has established that parents of children from control group have estimated the general condition of children's vision totally in 89,75 +/- 1,33 points vs 60,25 +/- 1,96 points according to a total score of children's parents from the main group (the difference was 32,87%, at r<0,001). In general, the total number of points was 64,89 +/- 1,01 vs 84,67 +/- 0,92, with a difference in 23,4% (r<0,001) in the main group, according to life's quality total score of early years children's parents. Our research proves existence of children's life quality changes at the presence of visual violations among them that substantiates expediency of strengthening of early identification and treatment measures of visual function's violations at children, within the approved medico technological documents. CONCLUSION: Interaction in form of cooperation between the family doctor and children's ophthalmologist within the competences on maintaining children with visual analyzer's violation of functions from the first days of life, allows to perform effective long observation of a family, preventing development of medico-social disadaptation both the child, and a family in which it appeared. Research results of life's quality components changes are informative for a future social functioning of the child, his family, the parent's attitude to a child's disease and it's treatments, and performance of disease's treatment. PMID- 29203742 TI - Neutrophil bactericidal activity through the stages of placement of different dental implants depending on their chemical composition. AB - INTRODUCTION: The analysis of data provided by implant system manufacturers has demonstrated that implants, i.e. parts screwed into the bone, are of different chemical composition of the implant. Sometimes they have little amount of metal contaminants,which are not biologically passive. THE AIM: To explore the effects produced by dental titanium implants containing metal contaminants on the stimulation of antimicrobial properties of neutrophils. MATERIAL AND METHODS: A total of 24 patients who had from 1 to 4 titanium implants with different chemical compositions were subjected to the comprehensive check-up to this end. The functional activity of neutrophils was evaluated by nitroblue tetrazolium (NBT) reduction test. It was dynamically in 5-7 days after the implant fitting into the bone, and in 3 months after the procedure of implant placement. RESULTS: On the 5-7th day following the placement of implants with weight percentage of titanium (Ti) in the composition from 25 to 50%, the share of active neutrophils significantly increased compared with share of active neutrophils prior the surgical procedure. However, after 3 months, this parameter in patients with implants, whose titanium content was low, remained significantly high. CONCLUSIONS: The placement of dental implants systems led to an increase in the share of active neutrophils in the peripheral blood of the patients in 5-7 days following the procedure of implant insertion. However, this indicator for implant systems with a higher content of Ti in the remote period returned to its original value, which indicates their higher biocompatibility with the tissues of the human body. PMID- 29203743 TI - Analysis of major risk factors affecting those working in the agrarian sector (based on a sociological survey). AB - INTRODUCTION: Issues related to labour potential, its state and problems have consistently been a focus of attention for the International Labour Organisation (ILO). Its respective analysis shows that labour potential problems remain unresolved in many countries of the world. According to the World Health Organisation (WHO), adverse working conditions are among major factors of occupational disease development in Europe and the reason for disabilities of economically active population during 2.5% of their lifetime. The aim of the present study is to identify and analyse major risk factors, which have a bearing on people working in agriculture in the course of exercising their occupation, with account of forms of ownership of agricultural enterprises. MATERIAL AND METHODS: Carried out was a cross-sectional study involving a sociological survey of 412 respondents - those working in agriculture - who made up the primary group and the control group. The study revealed 21 risk factors, 9 of which were work related. A modified elementary cybernetic model of studying impact efficiency was developed with the view of carrying out a structural analysis of the sample group and choosing relevant methodological approaches. RESULTS: It has been established that harmful factors related to working environment and one's lifestyle are decisive in the agrarian sector, particularly for workers of privately owned businesses. For one out of three respondents harmful working conditions manifested themselves as industrial noise (31.7+/-3.4), vibration (29.0+/-2.1) trunk bending and constrained working posture (36.6+/-3.4). The vast majority of agricultural workers (91.6+/-2.5) admitted they could not afford proper rest during their annual leave; male respondents abused alcohol (70.6+/-3.0) and smoking (41.4+/-2.0 per 100 workers). CONCLUSION: The research established the structure of risk factors, which is sequentially represented by the following groups: behavioral (smoking, drinking of alcohol, rest during annual leave, physical culture), working environment and work activities (occupation, work experience, safety measures, working environment, organization and management), socioeconomic (education, financial situation). PMID- 29203744 TI - Differences in clinical manifestations of odontogenic and non-odontogenic lymphadenitis. AB - INTRODUCTION: The acute suppurative lymphadenitis and its chronic forms prevail in the structure of inflammatory processes of the maxillofacial area in children. High incidence of the acute and chronic forms of lymphadenitis of both odontogenic and nonodontogenic origin is caused by the anotomophysiological peculiarities of the structure of the teeth and soft tissues in children in different age periods. THE AIM: The paper was aimed at comparison of clinical manifestations of the acute and chronic odontogenic and non-odontogenic lymphadenitis. MATERIALS AND METHODS: The results of the checkup and 5-year period treatment of 324 children with the acute and chronic forms of the nonspecific lymphadenitis of the maxilifacial area have been used. Four study groups have been formed. The first and the second group included 16 (38,0%) and 26 (62%) children with the acute submandibular suppurative lymphadenitis of the odontogenic and nonodontogenic origin, respectively. 12 (35,3%) and 22 (64,7) individuals with chronic hyperplastic lymphadenitis have been assigned to the third and the fourth group, respectively. RESULTS: The clinical course of the acute submandibular suppurative lymphadenitis of various etiologies is different. Rapid development of the local clinical manifestations with its dramatic progressing is specific to odontogenic lymphadenitis. Its clinical course is characterized by the more apparent overall response of the body, increase of the body temperature, and these symptoms are more manifested than in nonodontogenic lymphadenitis. The clinical course of chronic hyperplastic lymphadenitis is accompanied by the enlarged regional lymph nodes of various size and shapes and dense-elastic consistency. Clinical manifestations of nonodontogenic lymphadenitis were less apparent and the overall sate was normal in both forms of lymphadenitis. CONCLUSIONS: Nonodontogenic lymphadenitis prevailed in all nosological forms of the acute and chronic nonspecific lymphadenitis. PMID- 29203745 TI - The use of morphological study technique for investigation of labial and palatine glands. AB - INTRODUCTION: Due to the deterioration of environmental conditions that promotes the onset of inflammatory and autoimmune diseases, and the progress in the diagnosis, the frequency of registration of intercurrent pathology of salivary glands has markedly risen in recent years, demonstrating the increased scientific interest in the research of the common and distinctive features of their structure. THE AIM: The paper was aimed at the development of the method of morphological study of human minor salivary (labial and palatine) glands by the use of plastic wax reconstruction to obtain the plastic model of the acini and ducts of human minor salivary glands. MATERIALS AND METHODS: Specimens of the glandular area of the hard palate mucosa and labial mucosa in its middle third have been studied. To gain the objective of the investigation the technique for morphological study of the human minor salivary (labial and palatine) glands is to be developed, encompassing the analysis of the spatial organization of the glandular epithelium of the labial and palatine glands together with blood microcirculatory flow by fixing the obtained specimens of the minor salivary glands in 4% glutaraldehyde solution and osmium tetroxide with subsequent embedding into the Epon-812, staining the serial semi-thin sections with phosphate buffered 0,1% toluidine blue solution, photomacrography of the distinguished boundaries of the investigated structures and obtaining of photoreconstructions. RESULTS AND CONCLUSIONS: Thus, the use of suggested technique enables to obtain the megascopic reconstruction of the acini and ducts of the labial and palatine glands, which can be studied from different sides, getting the full visualization of the shape and size, as well as to explore the glands' inner configuration, the geometry of the lumen of the epithelial excretory ducts, to determine changes in the thickness of the wall, to get a visual representation of the microtopographic interactions between the different parts of blood microcirculatory flow and excretory ducts of the minor salivary glands. PMID- 29203746 TI - [Effectiveness of early physiotherapy treatment for ischaemic stroke patients suffering intercurrently from post-stroke depression and/or hemispatial neglect syndromes]. AB - Wstep: Depresja poudarowa i zespol pomijania stronnego sa jednymi z szeregu zaburzen neurologicznych wystepujacych jako konsekwencje incydentu udarowego. Oba zaburzenia uwaza sie za czynniki negatywnie wplywajace na szybszy powrot pacjenta do zdrowia. Zadaniem wczesnej fizjoterapii po incydencie udarowym jest poprawa funkcji motorycznych oraz poprawa jakosci zycia pacjenta. Material i metody: W badaniu wzielo udzial 51 pacjentow zakwalifikowanych do wziecia udzialu w "Narodowym Programie Profilaktyki i Leczenia Chorob Ukladu Sercowo-Naczyniowego na lata 2006-2008 POLCARD". Wyniki badan pacjentow notowano w skali Barthel, NIH oraz Geriatrycznej Skali Oceny Depresji. Analiza statystyczna zostala wykonana w programie STATISTICA 6PL za pomoca testu Wilcoxona dla prob zaleznych. Wyniki: Analiza wynikow wykazala, ze osoby z zespolem zaniedbywania osiagnely wiekszy przyrost punktow w skali Barthel niz osoby bez zespolu pomijania stronnego (p<=0,05). Natomiast badanie osob z depresja poudarowa wykazaly wiekszy przyrost punktow w skali Barthel niz pacjenci, u ktorych depresja nie zostala stwierdzona. Wnioski: Skutecznosc wczesnej fizjoterapii zalezy od ciezkosci udaru, stopnia niepelnosprawnosci oraz czynnikow zaburzajacych, takich jak m.in. agnozja wzrokowo-przestrzenna lub depresja. Jednakze pacjenci ze wspolistniejacymi zespolami neurologicznymi poddani kompleksowej fizjoterapii we wczesnym okresie po udarze mozgu maja prawdopodobnie wieksza rezyliencje w zakresie motywacji, zdolnosci adaptacyjno-kompensacyjnych, czyli generalnie dotyczacych plastycznosci mozgu. PMID- 29203747 TI - [Effect of antioxidants on human primary and metastatic colon cancer cells at hypoxia and normoxia]. AB - THE AIM: Evaluation of some antioxidants on human colon cancer cells viability and proliferation at various oxygen levels. MATERIAL AND METHODS: Human primary (SW480) and metastatic (SW620) colon cancer cells were cultured at hypoxia (1% oxygen), tissues (10% oxygen) and atmospheric (21% oxygen) normoxia with quercetin, epigallocatechin gallate, lipoic acid, hydroxycitric acid, their mixture, and without studied compounds (control). Antioxidants were used at physiological concentrations. The cell viability was determined by trypan blue dye exclusion and proliferation by MTT assay. RESULTS: The viability of each line ranged from 80% to 97%, and it was independent on the compound and oxygen availability. At hypoxia the cell count of both lines was lower than for the controls in the presence of each studied compound. At tissue normoxia the cell count of primary cancer cells was decreased only with epigallocatechin gallate, whereas metastatic cells were sensitive for each antioxidant. CONCLUSIONS: Our results indicated, that the studied antioxidants were not cytotoxic at physiological levels for both pirmary and metastatic colon cancer. Their cytostatic effect depend on the type of cell, oxygen availability and antioxidant concentration. PMID- 29203748 TI - International legal regulation of impact of occupational injuries and diseases on agricultural workers' health. AB - INTRODUCTION: Agricultural workers' health depends on many factors: working conditions, security arrangements, medicine, quality of drugs, the environment, etc. Occupational injuries and diseases are also among the factors that can negatively affect their health. THE AIM: To analyze provisions of the international legislation and scientific literature concerning existence of restrictions on impact of occupational injuries and diseases on agricultural workers' health. MATERIALS AND METHODS: International acts, data of international organizations and conclusions of scientists have been examined and used in the study. The article also integrates information from scientific journals and monographs from a medical and legal point of view with scientific methods. This article is based on dialectical, comparative, analytic, synthetic and comprehensive research methods. Impact of occupational injuries and diseases on agricultural workers' health has been studied within the system approach, as well as analysis and synthesis. CONCLUSIONS: The level of occupational morbidity, traumatism and above all standard of agricultural workers' health depends on the way of occupational safety organization. Working conditions and safety in agricultural industry and therefore the appropriate standard of health remain unsatisfactory in many countries. PMID- 29203749 TI - Didactic aspects of cognition of human as a bio-psycho-socio-cultural personality. AB - Modern education, according to leading Ukrainian scientists, requires the development of a new paradigm, which will consider the phenomenon of man holistically. The article describes didactic aspects of cognition of human as a bio-psycho-socio-cultural personality, as social fact, as a phenomenon. For the actualization of the didactic aspects of the problem, the authors used the methods of scientific literature analysis, systemic analysis and generalizations, analysis own practice of didactic and methodological character. Reforming the systems of education and medicine should occur in the context of providing active, creative, productive human life. Practice of system analysis proved that man as a subject of study should be considered as a biological entity, a social being, the bearer of consciousness and culture. A holistic approach to the study of man, viewing him as creatures of the natural (bodily) and social individual (society, culture) and the subject of mental and spiritual (creative and deliberate) activity can reveal its unique originality. The uniqueness of the phenomenon of man as the subject and object of research lies in its indivisibility, which is based on the unity of the laws of nature and society. Therefore, when studying the person should take into account the interests of social and natural Sciences. This once again confirms the idea of the necessity of human studies with the help of a systematic approach, which generates true and holistic view of the person, that involves the development of meta-perception of world and ourselves. PMID- 29203750 TI - Concept of waste and its impact on human health. AB - INTRODUCTION: Impact of the environment on human health is increasingly being paid attention both at the international level and at the level of individual countries. Among the factors that anyhow can affect it negatively, various objects are distinguished and waste is not of the last consequence. It has different nature of origin, ways of further utilization and a degree of impact on human health and the environment. Its generation, utilization and neutralization are determined by the relevant processes; their research allows continuous improvement and reduction of their negative impact on human health and the environment. THE AIM: To analyze provisions of the international legislation concerning the concept of waste and its classification, as well as its potential impacts on human health and the environment. MATERIALS AND METHODS: The study analyzes and uses international legal documents, data of international organizations and scientists' deductions. Furthermore, the study integrates information from scientific journals with scientific methods from the medical and legal point of view. Within the framework of the system approach, as well as analysis and synthesis, the concept of waste, its classification and impact on human health and the environment have been researched. RESULTS: In consequence of the conducted study, it has been found that at the European level, considerable attention is paid to waste in the context of its possible negative impact on human health and the environment. Solution of this problem is carried out with the integrated approach, which is expressed both in enacting statutory acts and amending existing ones, as well as elucidating various aspects at the scientific, methodological, statistical and other levels. CONCLUSIONS: Waste in itself has different nature of origin, negative impact, ways of its further utilization. Some kinds of it can be used further in order to achieve other goals and needs that are not related to their generation, others can no longer be used for human benefits taking into account existing achievements. PMID- 29203751 TI - [Metabolic syndrome - a new look at a known problem]. AB - Civilization changes over the past decades have been associated with an increase in the incidence of various metabolic disorders, especially in the carbohydrate lipid metabolism, which are not always associated with obesity. Metabolic syndrome, despite changing criteria of recognition, is a clinically established risk factor for civilization diseases development. On the other side, the incidence of complex metabolic disorders in non-obese people is increasing, which is referred to in the literature as metabolic obesity with normal body mass. Both, excess visceral fatty tissue and insulin resistance are common components in the diagnosis of these syndromes and their occurrence is associated with an increased risk of developing type 2 diabetes and cardiovascular disease. Some researchers also point out the possibility of occurrence of so-called metabolically healthy obesity. Identify people with such a constellation of disorders is still difficult in clinical practice because of different and changing diagnostic criteria. Data from the literature about epidemiology of these disorders are inconclusive and do not allow for a reliable assessment of such disorders prevalence in population. The increasing rate of the metabolic syndrome and metabolic obesity with normal body weight occurrence in the general population pays attention to the importance of this problem, especially in primary health care. Preventive programs are primarily aimed at older people with high risk of cardiovascular diseases development and focused on detecting metabolic syndrome traits. Nevertheless, very often, young, potentially healthy individuals, are not subject to screening programs, even though incidence of metabolic obesity with normal body weight in this population is very high nowadays. PMID- 29203752 TI - [Cytotoxicity in vitro as the principal parameter for evaluation of biocompatibility of medical devices]. AB - According to the Polish Ministry of Health decree, the medical devices and all raw materials used for their manufacturing are in force to be compatible with biological tissues, cells and body fluids regarding its clinical use. It is defined as biocompatibility. The scope of the methods proposed in the norm PN-EN ISO 10993-1 makes possible to get full preclinical characteristics of the medical device and allows to form the opinion about safety of it to the patients after its marketing. The test directed as the principal to make, independently on characteristics, kind, contact duration and clinical use of the device is cytotoxicity in vitro. This test defines the impact of the device on the cells through microscopic evaluation or through activities of the enzymes specific for living cells. Toxicity of the material to the cells may be reflected in: change of single cells or whole cell culture morphology, change of cellular metabolic activity, DNA damage or disadvantage of cell proliferation. Biocompatibility of the medical devices is one of the main elements considered in a risk management process at the stage of designing and manufacturing as well of the raw materials as the final product and the critical point in this matter is sterilization. PMID- 29203753 TI - [Definition and treatment of stroke over the centuries]. AB - Stroke was already diagnosed in the ancient times. For hundreds of years the treatment of this disease has changed radically. According to the current WHO definition, stroke is a clinical syndrome caused by focal or generalized brain injury that lasts more than 24 hours or leads to death and has no other cause than vascular. Stroke constitutes a big social and economic problem, as it can lead to death or disability. In the highly developed countries stroke is the third most common cause of adult deaths, the second leading cause of dementia, and the most common cause of disability. The consequences of stroke also include epilepsy and depression. In the twentieth century, stroke was only treated symptomatically and rehabilitation was limited to passive exercises. The first breakthrough in ischemic stroke therapy was the introduction of aspirin (ASA), followed by intravenous thrombolysis using recombinant tissue plasminogen activator (rtPA), initially available in our country only in the drug programs, and since 2009 it has been reimbursed by the National Health Fund (NFZ). Gradually invasive stroke treatment has been developed. Mechanical thrombectomy is currently only performed in selected centers, giving hope for more effective stroke treatment. The purpose of this work was to show how stroke treatment has changed over the centuries. PMID- 29203754 TI - [Scientific research results commercialization as an opportunity for the physiotherapy development]. AB - Physiotherapy is under the very intensive development. The research carried out around the world result in implementing new forms of therapy. For several years higher education institutions are trying to support scientists in an attempt to commercialize the results of research, although the process is complex. The practice in the world shows that the cooperation of science and business is possible and results in the implementation of modern solutions as real applications. It is important to scientists and people planning a career in science knew the rules and limitations of the above process. PMID- 29203755 TI - Churg-strauss syndrome: a case report. AB - A clinical case of Churg-Strauss syndrome has been reported on the 53-year-old female patient Ts. with bronchial asthma and allergic rhinitis. The main clinical signs and syndromes depending on the stage of the disease are presented, as well as therapeutic treatment of patients with this disease. PMID- 29203756 TI - 12 years of fighting liposarcoma: a case report. AB - The proportion of liposarcoma in the structure of cancer incidence is from 10 to 35% of all mesenchymal tumors. This clinical observation describes an 12-year struggle with myxoid liposarcoma of the left upper arm, during which 17 surgeries were performed due to local recurrences, 17 radiation therapy courses and 5 chemotherapy courses were conducted. Clinical observation shows the whole complexity of myxoid liposarcoma treatment. The effectiveness of therapeutic management is determined by persistent surgery, and also by the lack of expression of Pgp, glutathione-S-transferase, metallothionein and mutant p53 in tumor structure. PMID- 29203757 TI - Variant of myocardial infarction course in the patient with left ventricular non compaction. AB - Non-compacted left ventricle in adults is a rare occurrence, though it is diagnosed even more rarely. As a rule in patients with non-compacted left ventricle (LVNC) other pathologic condition is diagnosed, notably hypertrophic or dilated cardiomyopathy. The majority of LVNC cases are diagnosed in early infancy but currently there are asymptomatic cases detected by means of echocardiographic examination. Real prevalence of LVNC is unknown. According to many authors LVNC occurs in 9.2-9.5% of children with diagnosed cardiomyopathies. The majority of such children do not survive till adulthood because of progressive severe heart failure, fatal arrhythmias and thromboembolisms. This value ranges from 0.014 to 0.05% in adult population. The article presents a clinical case illustrating the stages in establishing the diagnosis of non-compacted left ventricle in a young patient with myocardial infarction and congestive heart failure. Common characteristics of non-compacted left ventricle and connective tissue dysplasia syndrome in the patient suggested etiopathogenetic relationship between these two pathologic states. The basic common characteristic feature of both non-compacted left ventricle and connective tissue dysplasia syndrome proved to be multiple abnormal chords of the left ventricle. The patient was supposed to have some coronary circulation abnormality inherited together with non-compacted left ventricle and connective tissue dysplasia syndrome. Adverse prognosis and high mortality in non-compacted left ventricle require its early recognition and differentiated approach to treatment depending on the severity of the disease and using all modern methods of treatment both conservative and surgical. PMID- 29203758 TI - [Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (dipnech) - an overview of the cases diagnosed at the department of thoracic surgery in the years 2010-2014]. AB - INTRODUCTION: Pulmonary neuroendocrine cells (PNEC) are present in the normal lungs with the incidence of 1 in 2500 epithelial cells. They usually proliferate in the presence of reactive processes related to inflammation and fibrosis of the lung parenchyma. The division of pulmonary neuroendocrine cell hyperplasia proposed by Travis et al. additionally distinguished diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) or proliferation that occurs in people without reactive hyperplasia risk factors. The confirmation of the DIPNECH diagnosis requires staining of biopsy specimens using the immunohistochemical technique for neuroendocrine markers. AIM: The aim of this study is to overview the cases of 5 patients in whom the histopathological DIPNECH diagnosis was made in the process of invasive diagnostics performed at the Department of Thoracic Surgery. The aim of the study is to evaluate typical clinical, functional, radiological and histopathological features of this rare disease syndrome. MATERIAL AND METHODS: In the period from April 2010 to June 2014, five patients with lesions in the lungs were subjected to invasive diagnostics. Histopathological and immunohistochemical examinations of the collected specimens were used to make the DIPNECH diagnosis in these patients. The natural history of the disease was traced based on a 5-year follow-up in one of the patients. In addition, we analyzed the literature with regard to the described cases. CONCLUSIONS: Thanks to the early diagnosis of non-specific lesions in the lungs, typical carcinoid which develops on the basis of discussed DIPNECH, was found in the resected material in two out of five operated patients. The accurate diagnosis of DIPNECH allows for the implementation of appropriate treatment and channels further management of the patient into the right direction. PMID- 29203759 TI - [Right hemicolectomy under spinal anesthesia due to cancer of ascending large bowel - case report]. AB - Surgery procedures of the abdomen cavity are commonly performed in general anaesthesia. Patients from high risk group with circulatory insufficiency, respiratory failure pose a problem. They undergo surgical procedures for life indications and emergency cases. Regional anaesthesia can be an alternative for general anaesthesia, and makes planned surgical treatment possible for this group of patients. The study presents the case of 79-year-old male with chronic obstructive pulmonary disease, after left lung upper lobectomy, arterial hypertension, who underwent operation due to ascending large bowel cancer under spinal anaesthesia as planned. PMID- 29203760 TI - Developing a framework for evaluating the impact of Healthcare Improvement Science Education across Europe: a qualitative study. AB - PURPOSE: Frontline healthcare professionals are well positioned to improve the systems in which they work. Educational curricula, however, have not always equipped healthcare professionals with the skills or knowledge to implement and evaluate improvements. It is important to have a robust and standardized framework in order to evaluate the impact of such education in terms of improvement, both within and across European countries. The results of such evaluations will enhance the further development and delivery of healthcare improvement science (HIS) education. We aimed to describe the development and piloting of a framework for prospectively evaluating the impact of HIS education and learning. METHODS: The evaluation framework was designed collaboratively and piloted in 7 European countries following a qualitative methodology. The present study used mixed methods to gather data from students and educators. The framework took the Kirkpatrick model of evaluation as a theoretical reference. RESULTS: The framework was found to be feasible and acceptable for use across differing European higher education contexts according to the pilot study and the participants' consensus. It can be used effectively to evaluate and develop HIS education across European higher education institutions. CONCLUSION: We offer a new evaluation framework to capture the impact of HIS education. The implementation of this tool has the potential to facilitate the continuous development of HIS education. PMID- 29203761 TI - Pulmonary Vein Stenosis Following Single-Lung Transplantation Successfully Treated with Intravascular Ultrasound-Guided Angioplasty and Stent Placement. PMID- 29203762 TI - Emodin Impairs Radioresistance of Human Osteosarcoma Cells by Suppressing Sonic Hedgehog Signaling. PMID- 29203763 TI - Harnessing heterogeneous nucleation to control tin orientations in electronic interconnections. AB - While many aspects of electronics manufacturing are controlled with great precision, the nucleation of tin in solder joints is currently left to chance. This leads to a widely varying melt undercooling and different crystal orientations in each joint, which results in a different resistance to electromigration, thermomechanical fatigue, and other failure modes in each joint. Here we identify a family of nucleants for tin, prove their effectiveness using a novel droplet solidification technique, and demonstrate an approach to incorporate the nucleants into solder joints to control the orientation of the tin nucleation event. With this approach, it is possible to change tin nucleation from a stochastic to a deterministic process, and to generate single-crystal joints with their c-axis orientation tailored to best combat a selected failure mode. PMID- 29203764 TI - 3D genome of multiple myeloma reveals spatial genome disorganization associated with copy number variations. AB - The Hi-C method is widely used to study the functional roles of the three dimensional (3D) architecture of genomes. Here, we integrate Hi-C, whole-genome sequencing (WGS) and RNA-seq to study the 3D genome architecture of multiple myeloma (MM) and how it associates with genomic variation and gene expression. Our results show that Hi-C interaction matrices are biased by copy number variations (CNVs) and can be used to detect CNVs. Also, combining Hi-C and WGS data can improve the detection of translocations. We find that CNV breakpoints significantly overlap with topologically associating domain (TAD) boundaries. Compared to normal B cells, the numbers of TADs increases by 25% in MM, the average size of TADs is smaller, and about 20% of genomic regions switch their chromatin A/B compartment types. In summary, we report a 3D genome interaction map of aneuploid MM cells and reveal the relationship among CNVs, translocations, 3D genome reorganization, and gene expression regulation. PMID- 29203765 TI - Internalization of a polysialic acid-binding Escherichia coli bacteriophage into eukaryotic neuroblastoma cells. AB - Eukaryotic organisms are continuously exposed to bacteriophages, which are efficient gene transfer agents in bacteria. However, bacteriophages are considered not to pass the eukaryotic cell membrane and enter nonphagocytic cells. Here we report the binding and penetration of Escherichia coli PK1A2 bacteriophage into live eukaryotic neuroblastoma cells in vitro. The phage interacts with cell surface polysialic acid, which shares structural similarity with the bacterial phage receptor. Using fluorescence and electron microscopy, we show that phages are internalized via the endolysosomal route and persist inside the human cells up to one day without affecting cell viability. Phage capsid integrity is lost in lysosomes, and the phage DNA is eventually degraded. We did not detect the entry of phage DNA into the nucleus; however, we speculate that this might occur as a rare event, and propose that this potential mechanism could explain prokaryote-eukaryote gene flow. PMID- 29203766 TI - A new stem sarcopterygian illuminates patterns of character evolution in early bony fishes. AB - Discoveries of putative stem sarcopterygians from the late Silurian and Early Devonian of South China have increased our knowledge of the initial diversification of osteichthyans while also highlighting incongruities in character evolution in this major jawed vertebrate group. Character-rich endocrania are incompletely preserved for early bony fishes, limiting a detailed understanding of complex internal morphology and evolutionary changes in the cranium. Here we report a new sarcopterygian (Ptyctolepis brachynotus gen. et sp. nov.) from the Pragian (Early Devonian) of South China, which preserves a unique example of a completely ossified otoccipital division of the braincase in a stem lobe-finned fish. The hyomandibular facets are paired but lie dorsal to the jugular canal, representing a hitherto unobserved combination of derived and primitive character states. This new taxon prompts a reassessment of early osteichthyan interrelationships, including the phylogenetic placement of psarolepids, which might branch from the osteichthyan-rather than sarcopterygian stem. PMID- 29203767 TI - Crystal plasticity as an indicator of the viscous-brittle transition in magmas. AB - Understanding the flow of multi-phase (melt, crystals and bubbles) magmas is of great importance for interpreting eruption dynamics. Here we report the first observation of crystal plasticity, identified using electron backscatter diffraction, in plagioclase in andesite dome lavas from Volcan de Colima, Mexico. The same lavas, deformed experimentally at volcanic conduit temperature and load conditions, exhibit a further, systematic plastic response in the crystalline fraction, observable as a lattice misorientation. At higher stress, and higher crystal fraction, the amount of strain accommodated by crystal plasticity is larger. Crystal plastic distortion is highest in the intact segments of broken crystals, which have exceeded their plastic limit. We infer that crystal plasticity precludes failure and can punctuate the viscous-brittle transition in crystal-bearing magmas at certain shallow magmatic conditions. Since crystal plasticity varies systematically with imposed conditions, this raises the possibility that it may be used as a strain marker in well-constrained systems. PMID- 29203768 TI - Direct evidence of hidden local spin polarization in a centrosymmetric superconductor LaO0.55 F0.45BiS2. AB - Conventional Rashba spin polarization is caused by the combination of strong spin orbit interaction and spatial inversion asymmetry. However, Rashba-Dresselhaus type spin-split states are predicted in the centrosymmetric LaOBiS2 system by recent theory, which stem from the local inversion asymmetry of active BiS2 layer. By performing high-resolution spin- and angle-resolved photoemission spectroscopy, we have investigated the electronic band structure and spin texture of superconductor LaO0.55F0.45BiS2. Here we present direct spectroscopic evidence for the local spin polarization of both the valence band and the conduction band. In particular, the coexistence of Rashba-like and Dresselhaus-like spin textures has been observed in the conduction band. The finding is of key importance for fabrication of proposed dual-gated spin-field effect transistor. Moreover, the spin-split band leads to a spin-momentum locking Fermi surface from which superconductivity emerges. Our demonstration not only expands the scope of spintronic materials but also enhances the understanding of spin-orbit interaction-related superconductivity. PMID- 29203769 TI - Three distinct developmental pathways for adaptive and two IFN-gamma-producing gammadelta T subsets in adult thymus. AB - Murine gammadelta T cells include subsets that are programmed for distinct effector functions during their development in the thymus. Under pathological conditions, different gammadelta T cell subsets can be protective or can exacerbate a disease. Here we show that CD117, CD200 and CD371, together with other markers, identify seven developmental stages of gammadelta T cells. These seven stages can be divided into three distinct developmental pathways that are enriched for different TCRdelta repertoires and exhibit characteristic expression patterns associated with adaptive (gammadeltaTn), IFN-gamma-producing (gammadeltaT1) and IFN-gamma/IL-4-co-producing gammadelta T cells (gammadeltaNKT). Developmental progression towards both IFN-gamma-producing subsets can be induced by TCR signalling, and each pathway results in thymic emigration at a different stage. Finally, we show that gammadeltaT1 cells are the predominating IFN-gamma-producing subset developing in the adult thymus. Thus, this study maps out three distinct development pathways that result in the programming of gammadeltaTn, gammadeltaT1 and gammadeltaNKT cells. PMID- 29203770 TI - The transcript cleavage factor paralogue TFS4 is a potent RNA polymerase inhibitor. AB - TFIIS-like transcript cleavage factors enhance the processivity and fidelity of archaeal and eukaryotic RNA polymerases. Sulfolobus solfataricus TFS1 functions as a bona fide cleavage factor, while the paralogous TFS4 evolved into a potent RNA polymerase inhibitor. TFS4 destabilises the TBP-TFB-RNAP pre-initiation complex and inhibits transcription initiation and elongation. All inhibitory activities are dependent on three lysine residues at the tip of the C-terminal zinc ribbon of TFS4; the inhibition likely involves an allosteric component and is mitigated by the basal transcription factor TFEalpha/beta. A chimeric variant of yeast TFIIS and TFS4 inhibits RNAPII transcription, suggesting that the molecular basis of inhibition is conserved between archaea and eukaryotes. TFS4 expression in S. solfataricus is induced in response to infection with the S ulfolobus turreted icosahedral virus. Our results reveal a compelling functional diversification of cleavage factors in archaea, and provide novel insights into transcription inhibition in the context of the host-virus relationship. PMID- 29203771 TI - Alu-dependent RNA editing of GLI1 promotes malignant regeneration in multiple myeloma. AB - Despite novel therapies, relapse of multiple myeloma (MM) is virtually inevitable. Amplification of chromosome 1q, which harbors the inflammation responsive RNA editase adenosine deaminase acting on RNA (ADAR)1 gene, occurs in 30-50% of MM patients and portends a poor prognosis. Since adenosine-to-inosine RNA editing has recently emerged as a driver of cancer progression, genomic amplification combined with inflammatory cytokine activation of ADAR1 could stimulate MM progression and therapeutic resistance. Here, we report that high ADAR1 RNA expression correlates with reduced patient survival rates in the MMRF CoMMpass data set. Expression of wild-type, but not mutant, ADAR1 enhances Alu dependent editing and transcriptional activity of GLI1, a Hedgehog (Hh) pathway transcriptional activator and self-renewal agonist, and promotes immunomodulatory drug resistance in vitro. Finally, ADAR1 knockdown reduces regeneration of high risk MM in serially transplantable patient-derived xenografts. These data demonstrate that ADAR1 promotes malignant regeneration of MM and if selectively inhibited may obviate progression and relapse. PMID- 29203773 TI - Temperature Dependence in Heterogeneous Nucleation with Application to the Direct Determination of Cluster Energy on Nearly Molecular Scale. AB - A re-examination of measurements of heterogeneous nucleation of water vapor on silver nanoparticles is presented here using a model-free framework that derives the energy of critical cluster formation directly from measurements of nucleation probability. Temperature dependence is correlated with cluster stabilization by the nanoparticle seed and previously found cases of unusual increasing nucleation onset saturation ratio with increasing temperature are explained. A necessary condition for the unusual positive temperature dependence is identified, namely that the critical cluster be more stable, on a per molecule basis, than the bulk liquid to exhibit the effect. Temperature dependence is next examined in the classical Fletcher model, modified here to make the energy of cluster formation explicit in the model. The contact angle used in the Fletcher model is identified as the microscopic contact angle, which can be directly obtained from heterogeneous nucleation experimental data by a recently developed analysis method. Here an equivalent condition, increasing contact angle with temperature, is found necessary for occurrence of unusual temperature dependence. Our findings have immediate applications to atmospheric particle formation and nanoparticle detection in condensation particle counters (CPCs). PMID- 29203774 TI - Author Correction: Antagonistic evolution of an antibiotic and its molecular chaperone: how to maintain a vital ectosymbiosis in a highly fluctuating habitat. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has notbeen fixed in the paper.. PMID- 29203775 TI - Glandular Morphometrics for Objective Grading of Colorectal Adenocarcinoma Histology Images. AB - Determining the grade of colon cancer from tissue slides is a routine part of the pathological analysis. In the case of colorectal adenocarcinoma (CRA), grading is partly determined by morphology and degree of formation of glandular structures. Achieving consistency between pathologists is difficult due to the subjective nature of grading assessment. An objective grading using computer algorithms will be more consistent, and will be able to analyse images in more detail. In this paper, we measure the shape of glands with a novel metric that we call the Best Alignment Metric (BAM). We show a strong correlation between a novel measure of glandular shape and grade of the tumour. We used shape specific parameters to perform a two-class classification of images into normal or cancerous tissue and a three-class classification into normal, low grade cancer, and high grade cancer. The task of detecting gland boundaries, which is a prerequisite of shape based analysis, was carried out using a deep convolutional neural network designed for segmentation of glandular structures. A support vector machine (SVM) classifier was trained using shape features derived from BAM. Through cross validation, we achieved an accuracy of 97% for the two-class and 91% for three class classification. PMID- 29203772 TI - Integrative transcriptomic analysis reveals key drivers of acute peanut allergic reactions. AB - Mechanisms driving acute food allergic reactions have not been fully characterized. We profile the dynamic transcriptome of acute peanut allergic reactions using serial peripheral blood samples obtained from 19 children before, during, and after randomized, double-blind, placebo-controlled oral challenges to peanut. We identify genes with changes in expression triggered by peanut, but not placebo, during acute peanut allergic reactions. Network analysis reveals that these genes comprise coexpression networks for acute-phase response and pro inflammatory processes. Key driver analysis identifies six genes (LTB4R, PADI4, IL1R2, PPP1R3D, KLHL2, and ECHDC3) predicted to causally modulate the state of coregulated networks in response to peanut. Leukocyte deconvolution analysis identifies changes in neutrophil, naive CD4+ T cell, and macrophage populations during peanut challenge. Analyses in 21 additional peanut allergic subjects replicate major findings. These results highlight key genes, biological processes, and cell types that can be targeted for mechanistic study and therapeutic targeting of peanut allergy. PMID- 29203776 TI - Non-Water-Suppressed 1H MR Spectroscopy with Orientational Prior Knowledge Shows Potential for Separating Intra- and Extramyocellular Lipid Signals in Human Myocardium. AB - Conditions such as type II diabetes are linked with elevated lipid levels in the heart, and significantly increased risk of heart failure; however, metabolic processes underlying the development of cardiac disease in type II diabetes are not fully understood. Here we present a non-invasive method for in vivo investigation of cardiac lipid metabolism: namely, IVS-McPRESS. This technique uses metabolite-cycled, non-water suppressed 1H cardiac magnetic resonance spectroscopy with prospective and retrospective motion correction. High-quality IVS-McPRESS data acquired from healthy volunteers allowed us to investigate the frequency shift of extramyocellular lipid signals, which depends on the myocardial fibre orientation. Assuming consistent voxel positioning relative to myofibres, the myofibre angle with the magnetic field was derived from the voxel orientation. For separation and individual analysis of intra- and extramyocellular lipid signals, the angle myocardial fibres in the spectroscopy voxel take with the magnetic field should be within +/-24.5 degrees . Metabolite and lipid concentrations were analysed with respect to BMI. Significant correlations between BMI and unsaturated fatty acids in intramyocellular lipids, and methylene groups in extramyocellular lipids were found. The proposed IVS McPRESS technique enables non-invasive investigation of cardiac lipid metabolism and may thus be a useful tool to study healthy and pathological conditions. PMID- 29203777 TI - Constraints from the dehydration of antigorite on high-conductivity anomalies in subduction zones. AB - Regions with high electrical conductivities in subduction zones have attracted a great deal of attention. Determining the exact origin of these anomalies could provide critical information about the water storage and cycling processes during subduction. Antigorite is the most important hydrous mineral within deep subduction zones. The dehydration of antigorite is believed to cause high conductivity anomalies. To date, the effects of dehydration on the electrical conductivity of antigorite remain poorly understood. Here, we report new measurements of the electrical conductivity of both natural and hot-pressed antigorite at pressures of 4 and 3 GPa, respectively, and at temperatures reaching 1073 K. We observed significantly enhanced conductivities when the antigorite was heated to temperatures beyond its thermodynamic stability field. Sharp increases in the electrical conductivity occurred at approximately 848 and 898 K following the decomposition of antigorite to forsterite, enstatite and aqueous fluids. High electrical conductivities reaching 1 S/m can be explained by the presence of an interconnected network of conductive aqueous fluids. Based on these results for the electrical conductivity of antigorite, we conclude that high-conductivity regions associated with subduction zones can be attributed to dehydration-induced fluids and the formation of interconnected networks of aqueous fluids during the dehydration of antigorite. PMID- 29203778 TI - Kiwifruit R2R3-MYB transcription factors and contribution of the novel AcMYB75 to red kiwifruit anthocyanin biosynthesis. AB - Red kiwifruit (Actinidia chinensis) is a popular fresh fruit with a high market value due to its unique color, caused by anthocyanin accumulation. The R2R3-MYB transcription factors (TFs) have important roles in plant development and anthocyanin metabolism. In this first comprehensive study of R2R3-MYBs in kiwifruit, a total of 93 R2R3-MYB genes, including five novel previously unannotated AcMYBs, were identified. Their phylogenic relationship, exon-intron structures, and conserved motifs were analyzed. Based on transcriptome data, 60 AcMYBs were expressed (FPKM > 1) across seven developmental stages of kiwifruit, revealing five expression patterns. One of the 5 newly identified R2R3 TFs, AcMYB75, showed an anthocyanin accumulation-linked expression pattern during fruit development. AcMYB75 localized to the nucleus and has an active transactivation domain, verifying it as a transcription factor. AcMYB75 protein specifically bound the promoter of the anthocyanin biosynthesis gene ANS in yeast one-hybrid system and in vivo. In 35 S:AcMYB75 Arabidopsis plants, anthocyanin significantly accumulated in leaves, and the expression of anthocyanin biosynthetic genes was greatly up-regulated. Together, these results suggest that AcMYB75 is involved in anthocyanin biosynthesis in kiwifruit. These findings will increase our understanding of AcMYBs involved in anthocyanin biosynthesis, and also benefit further functional characterization of R2R3-MYB genes in kiwifruit. PMID- 29203779 TI - Plasma channel undulator excited by high-order laser modes. AB - The possibility of utilizing plasma undulators and plasma accelerators to produce compact ultraviolet and X-ray sources, has attracted considerable interest for a few decades. This interest has been driven by the great potential to decrease the threshold for accessing such sources, which are mainly provided by a few dedicated large-scale synchrotron or free-electron laser (FEL) facilities. However, the broad radiation bandwidth of such plasma devices limits the source brightness and makes it difficult for the FEL instability to develop. Here, using multi-dimensional particle-in-cell (PIC) simulations, we demonstrate that a plasma undulator generated by the beating of a mixture of high-order laser modes propagating inside a plasma channel, leads to a few percent radiation bandwidth. The strength of the undulator can reach unity, the period can be less than a millimeter, and the number of undulator periods can be significantly increased by a phase locking technique based on the longitudinal tapering. Polarization control of such an undulator can be achieved by appropriately choosing the phase of the modes. According to our results, in the fully beam loaded regime, the electron current in the plasma undulator can reach 0.3 kA level, making such an undulator a potential candidate towards a table-top FEL. PMID- 29203780 TI - microRNA Expression in Ethnic Specific Early Stage Breast Cancer: an Integration and Comparative Analysis. AB - Breast cancer (BC) has a higher incidence in young Lebanese woman as compared to the West. We assessed the microRNA (miRNA) microarray profile of tissues derived from Lebanese patients with early BC and performed mRNA-miRNA integration analysis. 173 miRNAs were significantly dysregulated in 45 BC versus 17 normal adjacent breast tissues, including 74 with a fold change more than two of which 17 were never reported before in cancer. Integration analysis of mRNA-miRNA microarray data revealed a potential role of 51 dysregulated miRNA regulating 719 tumor suppressive or oncogenic mRNA associated with increased proliferation and decreased migration and invasion. We then performed a comparative miRNA microarray profile analysis of BC tissue between these 45 Lebanese and 197 matched American BC patients. Notably, Lebanese BC patients had 21 exclusively dysregulated miRNA (e.g. miR-31, 362-3p, and 663) and 4 miRNA with different expression manner compared to American patients (e.g. miR-1288-star and 324-3p). Some of these differences could reflect variation in patient age at diagnosis or ethnic variation affecting miRNA epigenetic regulation or sequence of miRNA precursors. Our data provide a basis for genetic/epigenetic investigations to explore the role of miRNA in early stage BC in young women, including ethnic specific differences. PMID- 29203781 TI - A genomic perspective of the pink-headed duck Rhodonessa caryophyllacea suggests a long history of low effective population size. AB - The first molecular phylogenetic hypothesis for the possibly extinct pink-headed duck Rhodonessa caryophyllacea unambiguously shows that it belongs to the pochard radiation that also includes the genera Aythya and Netta. It is the sister to all modern-day pochards and belongs to a lineage that branched off from the others more than 2.8 million years ago. Rhodonessa caryophyllacea is believed to never have been common in modern time and we show this has probably been the situation for as long as 100,000 years. Our results suggest that their effective population size varied between 15,000 and 25,000 individuals during the last 150,000 years of the Pleistocene. The reasons behind this are largely unknown as very little is known about the life-history and biology of this species. Presumably it is due to factors related to feeding or to breeding, but we may never know this for sure. PMID- 29203782 TI - Genetic Pleiotropy between Nicotine Dependence and Respiratory Outcomes. AB - Smoking is a major cause of respiratory conditions. To date, the genetic pleiotropy between smoking behavior and lung function/chronic obstructive pulmonary disease (COPD) have not been systematically explored. We leverage large data sets of smoking behavior, lung function and COPD, and addressed two questions, (1) whether the genetic predisposition of nicotine dependence influence COPD risk and lung function; and (2) the genetic pleiotropy follow causal or independent model. We found the genetic predisposition of nicotine dependence was associated with COPD risk, even after adjusting for smoking behavior, indicating genetic pleiotropy and independent model. Two known nicotine dependent loci (15q25.1 and 19q13.2) were associated with smoking adjusted lung function, and 15q25.1 reached genome-wide significance. At various suggestive p value thresholds, the smoking adjusted lung function traits share association signals with cigarettes per day and former smoking, substantially greater than random chance. Empirical data showed the genetic pleiotropy between nicotine dependence and COPD or lung function. The basis of pleiotropic effect is rather complex, attributable to a large number of genetic variants, and many variants functions through independent model, where the pleiotropic variants directly affect lung function, not mediated by influencing subjects' smoking behavior. PMID- 29203783 TI - Dietary amino acids and incidence of hypertension: A principle component analysis approach. AB - The current study aimed to investigate the association between dietary amino acid patterns and incidence of hypertension, using principal components factor analyses. This study was conducted within the framework of Tehran Lipid and Glucose Study on 4288 adults, who were free of hypertension at baseline (2008 2011) and were followed for three years (2011-2014). Principal component factor analyses were conducted based on eight amino acid groups and three amino acid patterns were extracted. The first pattern was characterized by branched chain, aromatic, and alcoholic amino acids, and proline. Acidic amino acids and proline were highly loaded in the second pattern and the third was characterized by sulphuric and small amino acids. Adjusted odds ratio of the highest quartile of the first pattern was 1.83 (95%CI: 1.21-2.77, P for trend = 0.002) compared to the lowest one. The first pattern had high positive correlation with dietary intakes of animal protein and dairy, but was negatively correlated with plant protein, fruit, and vegetable. There was no significant association for the second and third patterns. Findings indicate that the dietary amino acid pattern, rich in branched chain, aromatic, and alcoholic amino acids, and proline could increase the risk of hypertension. PMID- 29203784 TI - Construction of a system using a deep learning algorithm to count cell numbers in nanoliter wells for viable single-cell experiments. AB - For single-cell experiments, it is important to accurately count the number of viable cells in a nanoliter well. We used a deep learning-based convolutional neural network (CNN) on a large amount of digital data obtained as microscopic images. The training set consisted of 103 019 samples, each representing a microscopic grayscale image. After extensive training, the CNN was able to classify the samples into four categories, i.e., 0, 1, 2, and more than 2 cells per well, with an accuracy of 98.3% when compared to determination by two trained technicians. By analyzing the samples for which judgments were discordant, we found that the judgment by technicians was relatively correct although cell counting was often difficult by the images of discordant samples. Based on the results, the system was further enhanced by introducing a new algorithm in which the highest outputs from CNN were used, increasing the accuracy to higher than 99%. Our system was able to classify the data even from wells with a different shape. No other tested machine learning algorithm showed a performance higher than that of our system. The presented CNN system is expected to be useful for various single-cell experiments, and for high-throughput and high-content screening. PMID- 29203785 TI - Key site residues of pheromone-binding protein 1 involved in interacting with sex pheromone components of Helicoverpa armigera. AB - Pheromone binding proteins (PBPs) are widely distributed in insect antennae, and play important roles in the perception of sex pheromones. However, the detail mechanism of interaction between PBPs and odorants remains in a black box. Here, a predicted 3D structure of PBP1 of the serious agricultural pest, Helicoverpa armigera (HarmPBP1) was constructed, and the key residues that contribute to binding with the major sex pheromone components of this pest, (Z)-11- hexadecenal (Z11-16:Ald) and (Z)-9- hexadecenal (Z9-16:Ald), were predicted by molecular docking. The results of molecular simulation suggest that hydrophobic interactions are the main linkage between HarmPBP1 and the two aldehydes, and four residues in the binding pocket (Phe12, Phe36, Trp37, and Phe119) may participate in binding with these two ligands. Then site-directed mutagenesis and fluorescence binding assays were performed, and significant decrease of the binding ability to both Z11-16:Ald and Z9-16:Ald was observed in three mutants of HarmPBP1 (F12A, W37A, and F119A). These results revealed that Phe12, Trp37, and Phe119 are the key residues of HarmPBP1 in binding with the Z11-16:Ald and Z9 16:Ald. This study provides new insights into the interactions between pheromone and PBP, and may serve as a foundation for better understanding of the pheromone recognition in moths. PMID- 29203786 TI - Antigen-specific oncolytic MV-based tumor vaccines through presentation of selected tumor-associated antigens on infected cells or virus-like particles. AB - Recombinant vaccine strain-derived measles virus (MV) is clinically tested both as vaccine platform to protect against other pathogens and as oncolytic virus for tumor treatment. To investigate the potential synergism in anti-tumoral efficacy of oncolytic and vaccine properties, we chose Ovalbumin and an ideal tumor antigen, claudin-6, for pre-clinical proof of concept. To enhance immunogenicity, both antigens were presented by retroviral virus-like particle produced in situ during MV-infection. All recombinant MV revealed normal growths, genetic stability, and proper expression and presentation of both antigens. Potent antigen-specific humoral and cellular immunity were found in immunized MV susceptible IFNAR-/--CD46Ge mice. These immune responses significantly inhibited metastasis formation or increased therapeutic efficacy compared to control MV in respective novel in vivo tumor models using syngeneic B16-hCD46/mCLDN6 murine melanoma cells. These data indicate the potential of MV to trigger selected tumor antigen-specific immune responses on top of direct tumor lysis for enhanced efficacy. PMID- 29203788 TI - Highly-Sensitive Thin Film THz Detector Based on Edge Metal-Semiconductor-Metal Junction. AB - Terahertz (THz) detectors have been extensively studied for various applications such as security, wireless communication, and medical imaging. In case of metal insulator-metal (MIM) tunnel junction THz detector, a small junction area is desirable because the detector response time can be shortened by reducing it. An edge metal-semiconductor-metal (EMSM) junction has been developed with a small junction area controlled precisely by the thicknesses of metal and semiconductor films. The voltage response of the EMSM THz detector shows the clear dependence on the polarization angle of incident THz wave and the responsivity is found to be very high (~2,169 V/W) at 0.4 THz without any antenna and signal amplifier. The EMSM junction structure can be a new and efficient way of fabricating the nonlinear device THz detector with high cut-off frequency relying on extremely small junction area. PMID- 29203787 TI - CRISPR/Cas9-derived models of ovarian high grade serous carcinoma targeting Brca1, Pten and Nf1, and correlation with platinum sensitivity. AB - Transplantable murine models of ovarian high grade serous carcinoma (HGSC) remain an important research tool. We previously showed that ID8, a widely-used syngeneic model of ovarian cancer, lacked any of the frequent mutations in HGSC, and used CRISPR/Cas9 gene editing to generate derivatives with deletions in Trp53 and Brca2. Here we have used one ID8 Trp53 -/- clone to generate further mutants, with additional mutations in Brca1, Pten and Nf1, all of which are frequently mutated or deleted in HGSC. We have also generated clones with triple deletions in Trp53, Brca2 and Pten. We show that ID8 Trp53 -/-;Brca1 -/- and Trp53 -/ ;Brca2 -/- cells have defective homologous recombination and increased sensitivity to both platinum and PARP inhibitor chemotherapy compared to Trp53 -/ . By contrast, loss of Pten or Nf1 increases growth rate in vivo, and reduces survival following cisplatin chemotherapy in vivo. Finally, we have also targeted Trp53 in cells isolated from a previous transgenic murine fallopian tube carcinoma model, and confirmed that loss of p53 expression in this second model accelerates intraperitoneal growth. Together, these CRISPR-generated models represent a new and simple tool to investigate the biology of HGSC, and the ID8 cell lines are freely available to researchers. PMID- 29203789 TI - Prevalence of malaria in two highly endemic Community Health Centers in the Bastar district, Chhattisgarh showing mixed infections with Plasmodium species. AB - Malaria is a major public health problem in India and in the Chhattisgarh state. The diagnosis of malaria presents a major challenge in remote areas The prevalence of malaria in Darbha and Kilepal Community Health Centers (CHCs) of the Jagdalpur district, Chhattisgarh affected by conflict was determined using microscopy and polymerase chain reaction (PCR). In the year 2015, 29.4% and 21.5% cases were found to be positive for malaria at the Darbha and Kilepal CHCs, respectively, by microscopy, and 7.4% and 1.6% of cases had mixed infections, respectively. Among the suspected cases of mixed infections and doubtful diagnoses, 21% had mixed infections with two or more species at the Darbha CHC, and 17% from the Kilepal CHC, as determined by PCR. Both the P. vivax subspecies Pv210 (56%) and Pv247 (44%) and the P. ovale curtisi subspecies were found in this area. The high proportion of mixed malaria parasitic infections detected in this study indicate the need to adequately train health staff involved in diagnosing malaria. This study showed that there is a need for site-specific data to understand the epidemiological picture and to develop appropriate intervention strategies and management guidelines for controlling and eliminating malaria in India. PMID- 29203790 TI - Author Correction: How visual experience impacts the internal and external spatial mapping of sensorimotor functions. AB - A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has been fixed in the paper. PMID- 29203791 TI - Identification of insulin-sensitizing molecules acting by disrupting the interaction between the Insulin Receptor and Grb14. AB - Metabolic diseases are characterized by a decreased action of insulin. During the course of the disease, usual treatments frequently fail and patients are finally submitted to insulinotherapy. There is thus a need for innovative therapeutic strategies to improve insulin action. Growth factor receptor-bound protein 14 (Grb14) is a molecular adapter that specifically binds to the activated insulin receptor (IR) and inhibits its tyrosine kinase activity. Molecules disrupting Grb14-IR binding are therefore potential insulin-sensitizing agents. We used Structure-Based Virtual Ligand Screening to generate a list of 1000 molecules predicted to hinder Grb14-IR binding. Using an acellular bioluminescence resonance energy transfer (BRET) assay, we identified, out of these 1000 molecules, 3 compounds that inhibited Grb14-IR interaction. Their inhibitory effect on insulin-induced Grb14-IR interaction was confirmed in co immunoprecipitation experiments. The more efficient molecule (C8) was further characterized. C8 increased downstream Ras-Raf and PI3-kinase insulin signaling, as shown by BRET experiments in living cells. Moreover, C8 regulated the expression of insulin target genes in mouse primary hepatocytes. These results indicate that C8, by reducing Grb14-IR interaction, increases insulin signalling. The use of C8 as a lead compound should allow for the development of new molecules of potential therapeutic interest for the treatment of diabetes. PMID- 29203792 TI - Uncovering the Pharmacological Mechanism of Astragalus Salvia Compound on Pregnancy-Induced Hypertension Syndrome by a Network Pharmacology Approach. AB - To uncover the pharmacological mechanism of Astragalus Salvia compound (ASC) on pregnancy-induced hypertension syndrome (PIH), to provide useful information for clinical, as well as to connect the basic and clinical by a network pharmacological approach, we used network pharmacological approach. We collected ASC's compounds by traditional Chinese Medicine databases, and input them into PharmMapper to got their targets. Then we acquired PIH targets from Genecards and OMIM, collected the interactions of all the targets and other human proteins via String and INACT. We also constructed the network by Cytoscape and analyze it by MCODE so as to get clusters. Finally, we put all the targets of clusters into DAVID to do GO enrichment analysis. After these, four networks are constructed by Cytoscape; they are PIH network, compound-compound target network of ASC, ASC-PIH network, and compound target-PIH target-other human proteins' PPI network. According to the results, we think that ASC may directly regulate several biological processes and their genes in "endothelial cell activation and injury" and "placental or trophoblast cell ischemia" models to treat PIH. And it may indirectly act on the rest of the biological process to treat PIH or may not. PMID- 29203793 TI - Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact. AB - Sharks are charismatic predators that play a key role in most marine food webs. Their demonstrated vulnerability to exploitation has recently turned them into flagship species in ocean conservation. Yet, the assessment and monitoring of the distribution and abundance of such mobile species in marine environments remain challenging, often invasive and resource-intensive. Here we pilot a novel, rapid and non-invasive environmental DNA (eDNA) metabarcoding approach specifically targeted to infer shark presence, diversity and eDNA read abundance in tropical habitats. We identified at least 21 shark species, from both Caribbean and Pacific Coral Sea water samples, whose geographical patterns of diversity and read abundance coincide with geographical differences in levels of anthropogenic pressure and conservation effort. We demonstrate that eDNA metabarcoding can be effectively employed to study shark diversity. Further developments in this field have the potential to drastically enhance our ability to assess and monitor elusive oceanic predators, and lead to improved conservation strategies. PMID- 29203794 TI - Behavioral impairment in SHATI/NAT8L knockout mice via dysfunction of myelination development. AB - We have identified SHATI/NAT8L in the brain of mice treated with methamphetamine. Recently, it has been reported that SHATI is N-acetyltransferase 8-like protein (NAT8L) that produces N-acetylaspatate (NAA) from aspartate and acetyl-CoA. We have generated SHATI/NAT8L knockout (Shati -/-) mouse which demonstrates behavioral deficits that are not rescued by single NAA supplementation, although the reason for which is still not clarified. It is possible that the developmental impairment results from deletion of SHATI/NAT8L in the mouse brain, because NAA is involved in myelination through lipid synthesis in oligodendrocytes. However, it remains unclear whether SHATI/NAT8L is involved in brain development. In this study, we found that the expression of Shati/Nat8l mRNA was increased with brain development in mice, while there was a reduction in the myelin basic protein (MBP) level in the prefrontal cortex of juvenile, but not adult, Shati -/- mice. Next, we found that deletion of SHATI/NAT8L induces several behavioral deficits in mice, and that glyceryltriacetate (GTA) treatment ameliorates the behavioral impairments and normalizes the reduced protein level of MBP in juvenile Shati -/- mice. These findings suggest that SHATI/NAT8L is involved in myelination in the juvenile mouse brain via supplementation of acetate derived from NAA. Thus, reduction of SHATI/NAT8L induces developmental neuronal dysfunction. PMID- 29203795 TI - Water depth affects reproductive allocation and reproductive allometry in the submerged macrophyte Vallisneria natans. AB - In freshwater ecosystems, shifts in hydrological regimes have profound effects on reproductive output (R), along with vegetative biomass (V) and survival of plants. Because reproductive allocation (RA) is allometric, it remains unclear whether the observed variation of RA in response to water level variability is due to fixed patterns of development or plasticity in the developmental trajectories. Here, we investigated shifts in RA of a submerged macrophyte Vallisneria natans in response to water depth to test the hypothesis that allometric trajectories of RA are highly plastic. Plants were grown at three water depths (50, 100 and 150 cm) and measured after 26 weeks of growth. The relationships between R and V among treatments were compared. Deep water affected both biomass and number of fruits produced per plant, leading to less sexual reproduction. Plants in deep water started flowering at a smaller size and despite their small mature size, had a relatively high RA. Furthermore, these plants had a much lower log R-log V relationship than shallow- or intermediate water plants. In conclusion, reproduction of V. natans is highly variable across water depth treatments, and variations in reproductive allometry represent different strategies under an important stress gradient for these freshwater angiosperms. PMID- 29203797 TI - The interfacial nature of proximity-induced magnetism and the Dzyaloshinskii Moriya interaction at the Pt/Co interface. AB - The Dzyaloshinskii-Moriya interaction has been shown to stabilise Neel domain walls in magnetic thin films, allowing high domain wall velocities driven by spin current effects. The interfacial Dzyaloshinskii-Moriya interaction (IDMI) occurs at the interface between ferromagnetic and heavy metal layers with strong spin orbit coupling, but details of the interaction remain to be understood and the role of proximity induced magnetism (PIM) in the heavy metal is unknown. Here IDMI and PIM are reported in Pt determined as a function of Au and Ir spacer layers in Pt/Co/Au,Ir/Pt. Both interactions are found to be sensitive to sub nanometre changes in the spacer thickness, correlating over sub-monolayer spacer thicknesses, but not for thicker spacers where IDMI continues to change even after PIM is lost. PMID- 29203798 TI - Relevance of MIC-1 in the Era of PSA as a Serum Based Predictor of Prostate Cancer: A Critical Evaluation. AB - To reduce the ambiguity of contradictory observations in different studies regarding the expression level of Macrophage Inhibitory Cytokine-1 (MIC-1) in serum in prostate cancer (PC), benign prostatic hyperplasia (BPH) and healthy controls (HC), we designed this double-blind study. The study comprises 240 sera from PC, BPH and HC subjects. The expression level of MIC-1 in PC, BPH and HC were appraised using Western blot (WB) and ELISA based approach. WB and ELISA appraisal reveals that the expression level of MIC-1 is significantly higher in PC than in HC or BPH subjects. Regression analysis revealed a significant correlation between MIC-1 vs. PSA (r = 0.09; p < 0.001) and MIC-1 vs. GS (r = 0.7; p < 0.001). ROC analysis using discriminant predicted probability revealed that the MIC-1 was better than PSA. Moreover, the combination of MIC-1 and PSA was allowing 99.1% AUC for the differentiation of BPH + PC from HC, 97.9% AUC for differentiation of BPH from HC, 98.6% AUC for differentiation of PC from HC, and 96.7% AUC for the differentiation of PC from BPH. The augmented expression of MIC 1 in PC compared to BPH and HC subjects is in concurrent of the over-expression of MIC-1 in PC reports and confiscates the contradictory findings of other studies. PMID- 29203796 TI - Aerobic exercise and a BDNF-mimetic therapy rescue learning and memory in a mouse model of Down syndrome. AB - Down syndrome (DS) is caused by the triplication of human chromosome 21 and represents the most frequent genetic cause of intellectual disability. The trisomic Ts65Dn mouse model of DS shows synaptic deficits and reproduces the essential cognitive disabilities of the human syndrome. Aerobic exercise improved various neurophysiological dysfunctions in Ts65Dn mice, including hippocampal synaptic deficits, by promoting synaptogenesis and neurotransmission at glutamatergic terminals. Most importantly, the same intervention also prompted the recovery of hippocampal adult neurogenesis and synaptic plasticity and restored cognitive performance in trisomic mice. Additionally, the expression of brain-derived neurotrophic factor (BDNF) was markedly decreased in the hippocampus of patients with DS. Since the positive effect of exercise was paralleled by increased BDNF expression in trisomic mice, we investigated the effectiveness of a BDNF-mimetic treatment with 7,8-dihydroxyflavone at alleviating intellectual disabilities in the DS model. Pharmacological stimulation of BDNF signaling rescued synaptic plasticity and memory deficits in Ts65Dn mice. Based on our findings, Ts65Dn mice benefit from interventions aimed at promoting brain plasticity, and we provide evidence that BDNF signaling represents a potentially new pharmacological target for treatments aimed at rescuing cognitive disabilities in patients with DS. PMID- 29203799 TI - Essential involvement of the CX3CL1-CX3CR1 axis in bleomycin-induced pulmonary fibrosis via regulation of fibrocyte and M2 macrophage migration. AB - The potential role of macrophages in pulmonary fibrosis (PF) prompted us to evaluate the roles of CX3CR1, a chemokine receptor abundantly expressed in macrophages during bleomycin (BLM)-induced PF. Intratracheal BLM injection induced infiltration of leukocytes such as macrophages into the lungs, which eventually resulted in fibrosis. CX3CR1 expression was mainly detected in the majority of macrophages and in a small portion of alpha-smooth muscle actin positive cells in the lungs, while CX3CL1 was expressed in macrophages. BLM induced fibrotic changes in the lungs were reduced without any changes in the number of leukocytes in Cx3cr1 -/- mice, as compared with those in the wild-type (WT) mice. However, intrapulmonary CX3CR1+ macrophages displayed pro-fibrotic M2 phenotypes; lack of CX3CR1 skewed their phenotypes toward M1 in BLM-challenged lungs. Moreover, fibrocytes expressed CX3CR1, and were increased in BLM challenged WT lungs. The number of intrapulmonary fibrocytes was decreased in Cx3cr1 -/- mice. Thus, locally-produced CX3CL1 can promote PF development primarily by attracting CX3CR1-expressing M2 macrophages and fibrocytes into the lungs. PMID- 29203800 TI - Cortical organization restored by cochlear implantation in young children with single sided deafness. AB - Early treatment of single sided deafness in children has been recommended to protect from neurodevelopmental preference for the better hearing ear and from social and educational deficits. A fairly homogeneous group of five young children (<=3.6 years of age) with normal right sided hearing who received a cochlear implant to treat deafness in their left ears were studied. Etiology of deafness was largely cytomegalovirus (n = 4); one child had an enlarged vestibular aqueduct. Multi-channel electroencephalography of cortical evoked activity was measured repeatedly over time at: 1) acute (0.5 +/- 0.7 weeks); 2) early chronic (1.1 +/- 0.2 months); and 3) chronic (5.8 +/- 3.4 months) cochlear implant stimulation. Results indicated consistent responses from the normal right ear with marked changes in activity from the implanted left ear. Atypical distribution of peak amplitude activity from the implanted ear at acute stimulation marked abnormal lateralization of activity to the ipsilateral left auditory cortex and recruitment of extra-temporal areas including left frontal cortex. These abnormalities resolved with chronic implant use and contralateral aural preference emerged in both auditory cortices. These findings indicate that early implantation in young children with single sided deafness can rapidly restore bilateral auditory input to the cortex needed to improve binaural hearing. PMID- 29203801 TI - De novo design of RNA-binding proteins with a prion-like domain related to ALS/FTD proteinopathies. AB - Aberrant RNA-binding proteins form the core of the neurodegeneration cascade in spectrums of disease, such as amyotrophic lateral sclerosis (ALS)/frontotemporal dementia (FTD). Six ALS-related molecules, TDP-43, FUS, TAF15, EWSR1, heterogeneous nuclear (hn)RNPA1 and hnRNPA2 are RNA-binding proteins containing candidate mutations identified in ALS patients and those share several common features, including harboring an aggregation-prone prion-like domain (PrLD) containing a glycine/serine-tyrosine-glycine/serine (G/S-Y-G/S)-motif-enriched low-complexity sequence and rich in glutamine and/or asparagine. Additinally, these six molecules are components of RNA granules involved in RNA quality control and become mislocated from the nucleus to form cytoplasmic inclusion bodies (IBs) in the ALS/FTD-affected brain. To reveal the essential mechanisms involved in ALS/FTD-related cytotoxicity associated with RNA-binding proteins containing PrLDs, we designed artificial RNA-binding proteins harboring G/S-Y-G/S motif repeats with and without enriched glutamine residues and nuclear import/export-signal sequences and examined their cytotoxicity in vitro. These proteins recapitulated features of ALS-linked molecules, including insoluble aggregation, formation of cytoplasmic IBs and components of RNA granules, and cytotoxicity instigation. These findings indicated that these artificial RNA binding proteins mimicked features of ALS-linked molecules and allowed the study of mechanisms associated with gain of toxic functions related to ALS/FTD pathogenesis. PMID- 29203802 TI - Cooling-rate induced softening in a colloidal glass. AB - Contrary to crystalline solids, amorphous solids always become softer when vitrifying the melts under higher cooling rates. Understanding this phenomenon is of utmost importance in providing a basis for the mechanical-performance control of amorphous solids. However, the underlying mechanisms leading to this cooling rate-induced softening of amorphous solids have remained elusive, especially the dynamic reasons are neglected. Here, we use a colloidal glass as the model system to directly study this issue. Shear modulus is used as the representative parameter to monitor the stress-bearing properties of colloidal glass. The space spanning immobile particles, whose population is sensitive to the cooling rate, are found to make the dominant contribution to the shear modulus. The rapid solidification induced softening of colloidal glass is observed to originate from fewer immobile particles formed at higher cooling rates. PMID- 29203803 TI - Brain Structural Bases of Tendency to Forgive: evidence from a young adults sample using voxel-based morphometry. AB - Tendency to forgive refers to one's global dispositional level of forgiveness across situations and relationships. Brain imaging studies examined activation patterns underlying forgiving response, yet focal differences in brain structures related to tendency to forgive have never been investigated. In this study, voxel based morphometry was used to investigate relations between gray matter/white matter volume (GMV/WMV) and individual differences in tendency to forgive in a large young sample. Participants were 199 young students (60 men) who completed the tendency to forgive scale (TTF) and underwent an anatomical magnetic resonance imaging scan. Results showed that higher TTF scores were associated with larger GMV in the regions of dorsolateral prefrontal cortex, and smaller GMV in the regions of the right insular cortex and inferior frontal gyrus (IFG). Moreover, higher TTF scores were also related to smaller WMV in the regions of the left IFG. Together, these findings suggest structural variations for individual differences in the tendency to forgive, distributed across different brain regions associated with empathic response and cognitive control. PMID- 29203804 TI - KIF1Bbeta increases ROS to mediate apoptosis and reinforces its protein expression through O 2- in a positive feedback mechanism in neuroblastoma. AB - Relapse-prone, poor prognosis neuroblastoma is frequently characterized by deletion of chr1p36 where tumor suppressor gene KIF1Bbeta resides. Interestingly, many 1p36-positive patients failed to express KIF1Bbeta protein. Since altered cellular redox status has been reported to be involved in cell death and protein modification, we investigated the relationship between reactive oxygen species (ROS) and KIF1Bbeta. Here, we showed that wild-type KIF1Bbeta protein expression positively correlates with superoxide (O2-) and total ROS levels in neuroblastoma cells, unlike apoptotic loss-of-function KIF1Bbeta mutants. Overexpression of KIF1Bbeta apoptotic domain variants increases total ROS and, specifically O2-, whereas knockdown of endogenous KIF1Bbeta decreases ROS and O2-. Interestingly, O2- increases KIF1Bbeta protein expression, independent of the proteasomal degradation pathway. Scavenging O2- or ROS decreases KIF1Bbeta protein expression and subsequent apoptosis. Moreover, treatment with investigational redox compound Gliotoxin increases O2-, KIF1Bbeta protein expression, apoptosis and colony formation inhibition. Overall, our findings suggest that ROS and O2- may be important downstream effectors of KIF1Bbeta-mediated apoptosis. Subsequently, O2- produced may increase KIF1Bbeta protein expression in a positive feedback mechanism. Therefore, ROS and, specifically O2-, may be critical regulators of KIF1Bbeta-mediated apoptosis and its protein expression in neuroblastoma. PMID- 29203805 TI - A novel paradigm to study interpersonal threat-related learning and extinction in children using virtual reality. AB - Disruptions in fear-extinction learning are centrally implicated in a range of stress-related disorders, including anxiety and posttraumatic stress disorder. Given that these disorders frequently begin in childhood/adolescence, an understanding of fear-extinction learning in children is essential for (1) detecting the source of developmental susceptibility, (2) identifying mechanisms leading to pathology, and (3) informing the development and/or more judicious application of treatments for youth. Here, we offer and validate a novel virtual reality paradigm to study threat-related learning and extinction in children that models real-world cues, environments, and fear-inducing events that children are likely to experience, and are linked to the development of fear- and stress related pathologies. We found that our paradigm is well tolerated in children as young as 6 years, that children show intact fear and extinction learning, and show evidence of divergence in subjective, physiological, and behavioral measures of conditioned fear. The paradigm is available for use in 3-D and in 2-D (e.g., for the MRI scanner) upon request at www.tnp2lab.org . PMID- 29203806 TI - Reduced cell size, chromosomal aberration and altered proliferation rates are characteristics and confounding factors in the STHdh cell model of Huntington disease. AB - Huntington disease is a fatal neurodegenerative disorder caused by a CAG repeat expansion in the gene encoding the huntingtin protein. Expression of the mutant protein disrupts various intracellular pathways and impairs overall cell function. In particular striatal neurons seem to be most vulnerable to mutant huntingtin-related changes. A well-known and commonly used model to study molecular aspects of Huntington disease are the striatum-derived STHdh cell lines generated from wild type and huntingtin knock-in mouse embryos. However, obvious morphological differences between wild type and mutant cell lines exist, which have rarely been described and might not have always been considered when designing experiments or interpreting results. Here, we demonstrate that STHdh cell lines display differences in cell size, proliferation rate and chromosomal content. While the chromosomal divergence is considered to be a result of the cells' tumour characteristics, differences in size and proliferation, however, were confirmed in a second non-immortalized Huntington disease cell model. Importantly, our results further suggest that the reported phenotypes can confound other study outcomes and lead to false conclusions. Thus, careful experimental design and data analysis are advised when using these cell models. PMID- 29203807 TI - Mitochondrial genomic variation and phylogenetic relationships of three groups in the genus Scaphoideus (Hemiptera: Cicadellidae: Deltocephalinae). AB - The widespread leafhopper genus Scaphoideus Uhler is the most diverse genus in Scaphoideini and includes some species that are serious pests and vectors of plant pathogens. Here the first Scaphoideus mitogenome sequences are provided for three species, S. maai, S. nigrivalveus and S. varius, representing three main species groups in the Oriental region based on color pattern. The lengths of these three mitogenomes were 15,188, 15,235 and 15,207 bp, respectively. Gene order of three mitogenomes is highly conserved and identical to that of the putative ancestral insect. All three mitogenomes exhibited similar AT nucleotide bias, AT-, GC-skews and codon usage. One large 101 bp intergenic spacer between trnY and cox1 was in S. varius. All 22 tRNA genes had typical cloverleaf secondary structures, except for trnS1 (AGN) which appears to lack the dihydrouridine arm. Genes atp8, nad6 and nad2 were highly variable while cox1 showed the lowest nucleotide diversity. Phylogenetic analyses of three concatenated nucleotide datasets using maximum likelihood and Bayesian methods, comprising all 13 mitogenomes currently available for Membracoidea plus mitogenomes for eight outgroup species representing other cicadomorphan superfamilies, yielded the same topology in which Scaphoideus species formed a monophyletic group within a larger clade comprising three other included Deltocephalinae. PMID- 29203808 TI - Association between smoking and the peripheral vestibular disorder: a retrospective cohort study. AB - Common inner ear diseases include peripheral vestibular disorder (PVD) and hearing impairment. The association between smoking and peripheral vestibular disorder (PVD) is unclear. We examined associations between smoking and new PVD events. In this retrospective study, we consecutively enrolled 393 participants aged >=20 years [mean age 65.3 years; males 133 (33.8%)] treated for hypertension, dyslipidaemia, or diabetes mellitus at a primary care clinic between November 2011 and March 2013. Participants were categorized as ever smokers (including current and past -smokers; divided per <30 and >=30 pack years), and never-smokers. New PVD events were reported over a 1-year follow-up period. Hazard ratios (HR) for new onset PVD were estimated using the Cox proportional hazard regression model. Compared to never-smokers, the adjusted HR was 2.22 for ever-smokers and 2.70 for all ever-smokers with >=30 pack-years among all 393 participants. Among male participants, compared to never-smokers, the adjusted HR was 4.41 for ever-smokers with >=30 pack-years. A smoking history of >=30 pack-years was strongly associated with the risk of new onset PVD in males but not, females. This study may assist patients with smoking cessation for the prevention of new PVD events among males. PMID- 29203809 TI - Femtosecond-Resolved Excited State Relaxation Dynamics of Copper (II) Tetraphenylporphyrin (CuTPP) After Soret Band Excitation. AB - Excited state relaxation dynamics of Copper (II) tetraphenylporphyrin (CuTPP) after Soret band excitation have been investigated in various solvents by femtosecond broadband transient absorption spectroscopy. Significant role of charge transfer state has been confirmed from fast relaxation of triplet CuTPP in pyridine, giving tau ~ 26.5 ps. In piperidine, the transient measured at 480 nm shows biexponential behavior with distinct time constants of 300 fs and 27.4 ps. The fast component with tau ~ 300 fs is attributed to relaxation of the CuTPP piperidine adduct populated in the ground state, giving the intrinsic relaxation rate of the CuTPP exciplex for the first time. For CuTPP in O-coordinating solvents of 1,4-dioxane and tetrahydrofuran (THF), a completely new relaxation channel via the 2[dz2, dx2-y2] state is opened. As the exciplex formation is diffusion controlled, triplet CuTPP lifetimes in pure solvents employed here are all measured to be more or less same to give ~30 ps, whereas the 2[dz2, dx2-y2] exciplex formed by the ligation with O-coordinating solvents is found to relax much slowly to the ground state, giving lifetimes of ~360 and ~270 ps in 1,4 dioxane and THF, respectively. PMID- 29203810 TI - Effective litmus gene test for monitoring the quality of blood samples: Application to Alzheimer's disease diagnostics. AB - Gene expression profiles reflect the biologically diverse activities of cells under specific cell environments. Using the transcriptional response of cultured cells to blood composition, we developed a litmus gene assay to discriminate blood samples reflecting different sample qualities or disease conditions. This cell-based litmus gene assay identified six genes (CCL20, CEMIP, IL1B, IL8, PRG2, PTGS2) as potential biomarkers of plasma quality control and the SPC25 gene as a diagnostic biomarker of Alzheimer's disease (AD). In addition, the SPC25 gene expression level was significantly increased in the cell-based assay using serum samples from patients with mild cognitive impairment (MCI). In conclusion, we demonstrated the effectiveness and potential of a litmus gene assay to detect the orchestrated effects of circulating systemic factors, leading to the successful diagnosis of AD and MCI. This method is broadly applicable to the diagnosis of disease subtypes or patho-physiological stages of complex diseases and tumors. PMID- 29203811 TI - Characteristics of soil C:N ratio and delta13C in wheat-maize cropping system of the North China Plain and influences of the Yellow River. AB - To better understand the characteristics of soil organic matter (SOM) in the North China Plain, we evaluate the large scale variations of soil organic carbon (SOC), total nitrogen (TN), carbon to nitrogen (C:N) ratio and stable carbon isotopic compositions (delta13C) in SOC over 0-100 cm. To assess the influence of the Yellow River, 31 sites are selected from the wheat-maize double cropping system, and grouped into two: 10 sites near and 21 sites far from the river. Our data show that mean soil C:N ratio is low (7.6-9.9) across the region, and not affected by the Yellow River. However, SOC and TN are significantly (P < 0.05) lower in subsoil near the Yellow River (2.0 and 0.2-0.3 g kg-1 for SOC and TN) than far away (3.1 and 0.4 g kg-1); delta13C is significantly more negative below 60 cm near the river (-23.3 to -22.60/00) than far away (-21.8 to -21.40/00). We estimate that the contributions of wheat and maize to SOC are 61.3-68.1% and 31.9 38.8%, respectively. Our analyses indicate that the overall low levels of SOC in the North China Plain may be associated with the low soil C:N ratio and less clay content. The hydrological processes may also partly be responsible, particularly for those near the Yellow River. PMID- 29203812 TI - A highly printable and biocompatible hydrogel composite for direct printing of soft and perfusable vasculature-like structures. AB - Vascularization is one major obstacle in bioprinting and tissue engineering. In order to create thick tissues or organs that can function like original body parts, the presence of a perfusable vascular system is essential. However, it is challenging to bioprint a hydrogel-based three-dimensional vasculature-like structure in a single step. In this paper, we report a new hydrogel-based composite that offers impressive printability, shape integrity, and biocompatibility for 3D bioprinting of a perfusable complex vasculature-like structure. The hydrogel composite can be used on a non-liquid platform and is printable at human body temperature. Moreover, the hydrogel composite supports both cell proliferation and cell differentiation. Our results represent a potentially new vascularization strategy for 3D bioprinting and tissue engineering. PMID- 29203813 TI - Comparison of single- and double-balloon catheters for labor induction: a systematic review and meta-analysis of randomized controlled trials. AB - OBJECTIVE: There is a paucity of head-to-head randomized trials that compare single- and double-balloon catheters, and the results of the available data in terms of time from catheter insertion to delivery and delivery mode are mixed. This meta-analysis of randomized controlled trials compares the efficacy of single- and double-balloon catheters in women undergoing labor induction. STUDY DESIGN: Searches were made in MEDLINE, EMBASE, PubMed, ClinicalTrials.gov, and the Cochrane Library from inception through June 2016. Peer-reviewed randomized and quasi-randomized trials that compared single- and double-balloon catheters head-to-head for cervical ripening or labor induction were identified. Eligible study populations consisted of women with singleton pregnancies that had any indication for labor induction and were randomly assigned to undergo induction with a single- or a double-balloon catheter. The primary outcome was time from catheter insertion to delivery and delivery mode. The secondary outcomes were intrapartum fever or chorioamnionitis, woman's satisfaction, and neonatal Apgar score. RESULTS: Of the 520 records identified, five randomized trials (996 women; 491 with single-balloon and 505 with double-balloon catheters) were considered eligible and included in the meta-analysis. Time from catheter insertion to delivery did not differ between the two types of catheter (p = 0.527; WMD -0.87; 95% CI: -3.55, 1.82). The incidence of cesarean delivery also did not differ (p = 0.844; RR 0.97; 95% CI: 0.69, 1.35). Delivery within 24 h, delivery mode, incidences of intrapartum fever or chorioamnionitis, and neonatal Apgar score <7 at 5 min did not differ between the two types of catheter as well. Women who were induced with the single-balloon catheter were more satisfied (p = 0.029; WMD 0.56; 95% CI: 0.06, 1.06). CONCLUSION: Time from catheter insertion to delivery and delivery mode were comparable between the two types of catheter. PMID- 29203814 TI - A label-free fiber optic SPR biosensor for specific detection of C-reactive protein. AB - A highly sensitive and label-free fiber optic surface plasmon resonance (SPR) biosensor for specific detection of C-reactive protein (CRP) is proposed and demonstrated. We take dopamine as a cross-linking agent to immobilize the anti CRP monoclonal antibody, which is an efficient and simple method for specific modification of the fiber optic SPR sensor. The modified sensor can successfully detect CRP specifically. We realize the fabrication of a disposable fiber optic SPR sensor for the CRP specific detection. Through optimizing the immobilization time of anti-CRP monoclonal antibody and the reaction time of antigen and antibody experimentally, the sensor shows a satisfactory linear response (R2 = 0.97) to CRP concentration within the range from 0.01 to 20 MUg/ml. Moreover, the highest CRP sensitivity is obtained at 1.17 nm per lg (MUg/ml). With the advantages of simple structure and easy fabrication, our sensor is convenient to be batch produced and controlled with good consistency, which is especially suitable for the fabrication of disposable biosensor. It makes sense that our detection can effectively avoid the cross pollution caused by repeated use of the sensor. PMID- 29203815 TI - Role of ventral medullary catecholaminergic neurons for respiratory modulation of sympathetic outflow in rats. AB - Sympathetic activity displays rhythmic oscillations generated by brainstem inspiratory and expiratory neurons. Amplification of these rhythmic respiratory related oscillations is observed in rats under enhanced central respiratory drive or during development of neurogenic hypertension. Herein, we evaluated the involvement of ventral medullary sympatho-excitatory catecholaminergic C1 neurons, using inhibitory Drosophila allatostatin receptors, for the enhanced expiratory-related oscillations in sympathetic activity in rats submitted to chronic intermittent hypoxia (CIH) and following activation of both peripheral (hypoxia) and central chemoreceptors (hypercapnia). Pharmacogenetic inhibition of C1 neurons bilaterally resulted in reductions of their firing frequency and amplitude of inspiratory-related sympathetic activity in rats in normocapnia, hypercapnia or after CIH. In contrast, hypercapnia or hypoxia-induced enhanced expiratory-related sympathetic oscillations were unaffected by C1 neuronal inhibition. Inhibition of C1 neurons also resulted in a significant fall in arterial pressure and heart rate that was similar in magnitude between normotensive and CIH hypertensive rats, but basal arterial pressure in CIH rats remained higher compared to controls. C1 neurons play a key role in regulating inspiratory modulation of sympathetic activity and arterial pressure in both normotensive and CIH hypertensive rats, but they are not involved in the enhanced late-expiratory-related sympathetic activity triggered by activation of peripheral or central chemoreceptors. PMID- 29203816 TI - Re-entrant spin glass transitions: new insights from acoustic absorption by domain walls. AB - Re-entrant spin glass (RSG) transitions in Ni-Mn and Au-Fe have been reassessed by acoustic measurements of the magneto-mechanical damping by domain walls. Stress-induced non-thermally activated domain wall dynamics is progressively replaced by an intense thermally activated relaxational response when the temperature approaches the RSG freezing point. A "frozen" state with negligible motion of domain walls on atomic and mesoscopic scales occurs in the RSG. We propose that RSG freezing has its origin in intrinsic properties of domain walls. PMID- 29203817 TI - High expression of beta-catenin contributes to the crizotinib resistant phenotype in the stem-like cell population in neuroblastoma. AB - ALK has been identified as a novel therapeutic target in neuroblastoma (NB), but resistance to ALK inhibitors (such as crizotinib) is well recognized. We recently published that the crizotinib sensitivity in NB cells strongly correlates with the crizotinib-ALK binding, and beta-catenin effectively hinders this interaction and confers crizotinib resistance. Here, we asked if these observations hold true for the stem-like cells in NB cells, which were purified based on their responsiveness to a Sox2 reporter. Compared to bulk, reporter unresponsive (RU) cells, reporter responsive (RR) cells had significantly higher neurosphere formation ability, expression of CD133/nestin and chemo-resistance. Using the cellular thermal shift assay, we found that RR cells exhibited significantly weaker crizotinib-ALK binding and higher crizotinib resistance than RU cells. The suboptimal crizotinib-ALK binding in RR cells can be attributed to their high beta-catenin expression, since siRNA knockdown of beta-catenin restored the crizotinib-ALK binding and lowered the crizotinib resistance to the level of RU cells. Enforced expression of beta-catenin in RU cells resulted in the opposite effects. To conclude, high expression of beta-catenin in the stem-like NB cells contributes to their crizotinib resistance. Combining beta-catenin inhibitors and ALK inhibitors may be useful in treating NB patients. PMID- 29203818 TI - Associations between general and central obesity and hypertension among children: The Childhood Obesity Study in China Mega-Cities. AB - In this study, we examined the associations of general and central obesity and hypertension among Chinese children. Data was collected from 1626 children aged 7 16 years and their parents in four mega-cities across China. Mixed effect models examined associations of general and central obesity with hypertension, and between body mass index (BMI), waist circumference (WC), waist-to-height ratio (WHtR), systolic blood pressure (SBP) and diastolic blood pressure (DBP). The prevalence of general obesity, central obesity, and hypertension among the children was 11.1%, 19.7%, and 9.0%, respectively. More boys had general and central obesity than girls (15.2% vs. 6.9%; 27.4% vs. 11.7%, respectively; both P < 0.0001). Sex difference in hypertension rate was not statistically significant (9.3% in boys vs. 8.8% in girls, P = 0.7341). Both SBP and DBP were positively associated with BMI, WC, and WHtR, regardless of sex and region. General obesity (OR = 5.94, 95% confidence interval [CI]: 3.69-9.55) and central obesity (OR = 3.45, 95% CI: 2.27-5.23) were strongly associated with hypertension. The prevalence of general obesity, central obesity, and hypertension was high among Chinese children in the four mega-cities across China. Children's BMI, WC, and WHtR were positively associated with their SBP and DBP. Obese children were 3-6 times more likely to have hypertension. PMID- 29203819 TI - Author Correction: Mining of efficient microbial UDP-glycosyltransferases by motif evolution cross plant kingdom for application in biosynthesis of salidroside. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has not been fixed in the paper. PMID- 29203820 TI - Hydrogen and the Light-Induced Bias Instability Mechanism in Amorphous Oxide Semiconductors. AB - Hydrogen is known to be present as an impurity in amorphous oxide semiconductors at the 0.1% level. Using amorphous ZnO as a simplified model system, we show that the hydrogens pair up at oxygen vacancies in the amorphous network, where they form metal-H-metal bridge bonds. These bonds are shown to create filled defect gap states lying just above the valence band edge and they are shown to give a consistent mechanism to explain the negative bias illumination stress instability found in oxide semiconductors like In-Ga-Zn-O (IGZO). PMID- 29203821 TI - Localized solutions of Lugiato-Lefever equations with focused pump. AB - Lugiato-Lefever (LL) equations in one and two dimensions (1D and 2D) accurately describe the dynamics of optical fields in pumped lossy cavities with the intrinsic Kerr nonlinearity. The external pump is usually assumed to be uniform, but it can be made tightly focused too-in particular, for building small pixels. We obtain solutions of the LL equations, with both the focusing and defocusing intrinsic nonlinearity, for 1D and 2D confined modes supported by the localized pump. In the 1D setting, we first develop a simple perturbation theory, based in the sech ansatz, in the case of weak pump and loss. Then, a family of exact analytical solutions for spatially confined modes is produced for the pump focused in the form of a delta-function, with a nonlinear loss (two-photon absorption) added to the LL model. Numerical findings demonstrate that these exact solutions are stable, both dynamically and structurally (the latter means that stable numerical solutions close to the exact ones are found when a specific condition, necessary for the existence of the analytical solution, does not hold). In 2D, vast families of stable confined modes are produced by means of a variational approximation and full numerical simulations. PMID- 29203822 TI - Fluorescence brightness and photostability of individual copper (I) oxide nanocubes. AB - Conventional organic fluorophores lose their ability to fluoresce after repeated exposure to excitation light due to photobleaching. Therefore, research into emerging bright and photostable nanomaterials has become of great interest for a range of applications such as bio-imaging and tracking. Among these emerging fluorophores, metal oxide-based nanomaterials have attracted significant attention as a potential multifunctional material with photocatalytic and angeogenisis abilities in addition to fluorescnce applications. However, most of these applications are highly dependent on size, morphology, and chemo-physical properties of individual particles. In this manuscript, we present a method to study the intrinsic optical characteristics of individual copper (I) oxide (Cu2O) nanocubes. When excited at 520 nm using only 11 uW excitation power (1.7 W/cm2), individual nanocubes were observed to emit light with peak wavelengths ~760 nm which is conveniently within the near-infrared 1 (NIR1) biological window where tissue autofluorescence is minimal. Bright and photostable fluorescence was observed with intensities up to 487 K counts/s under constant illumination for at least 2 minutes with a brightness approximately four times higher than the autofluorescence from a fixed cumulus-oocyte complex. With near-IR emission, high fluorescence brightness, and outstanding photostability, Cu2O nanocubes are attractive candidates for long-term fluorescent bioimaging applications. PMID- 29203824 TI - Genetic engineering in nonhuman primates for human disease modeling. AB - Nonhuman primate (NHP) experimental models have contributed greatly to human health research by assessing the safety and efficacy of newly developed drugs, due to their physiological and anatomical similarities to humans. To generate NHP disease models, drug-inducible methods, and surgical treatment methods have been employed. Recent developments in genetic and developmental engineering in NHPs offer new options for producing genetically modified disease models. Moreover, in recent years, genome-editing technology has emerged to further promote this trend and the generation of disease model NHPs has entered a new era. In this review, we summarize the generation of conventional disease model NHPs and discuss new solutions to the problem of mosaicism in genome-editing technology. PMID- 29203823 TI - Three-dimensional organotypic matrices from alternative collagen sources as pre clinical models for cell biology. AB - Organotypic co-cultures bridge the gap between standard two-dimensional culture and mouse models. Such assays increase the fidelity of pre-clinical studies, to better inform lead compound development and address the increasing attrition rates of lead compounds within the pharmaceutical industry, which are often a result of screening in less faithful two-dimensional models. Using large-scale acid-extraction techniques, we demonstrate a step-by-step process to isolate collagen I from commercially available animal byproducts. Using the well established rat tail tendon collagen as a benchmark, we apply our novel kangaroo tail tendon collagen as an alternative collagen source for our screening-ready three-dimensional organotypic co-culture platform. Both collagen sources showed equal applicability for invasive, proliferative or survival assessment of well established cancer models and clinically relevant patient-derived cancer cell lines. Additional readouts were also demonstrated when comparing these alternative collagen sources for stromal contributions to stiffness, organization and ultrastructure via atomic force microscopy, second harmonic generation imaging and scanning electron microscopy, among other vital biological readouts, where only minor differences were found between the preparations. Organotypic co cultures represent an easy, affordable and scalable model to investigate drug responses within a physiologically relevant 3D platform. PMID- 29203825 TI - Adjuvant imatinib for patients with high-risk gastrointestinal stromal tumors: a retrospective cohort study. AB - The duration of adjuvant imatinib for high-risk patients with gastrointestinal stromal tumors (GISTs) is still controversial. Therefore, we retrospectively analyzed the data of high-risk patients with GISTs to investigate the appropriate duration. All 185 patients were divided into 4 groups: <1 year (Group A), 1-2 years (Group B), 2-3 years (Group C) and >3 years (Group D). The mean recurrence free survival (RFS) in Groups A, B, and C were 44.3, 62.1, and 86.8 months, respectively (P < 0.001); the mean overall survival (OS) in Groups A, B and C was 75.2, 88.1, and 94.7 months, respectively (P = 0.009). The 5-year RFS in Groups A, B, C, and D was 15%, 26%, 83%, and 100%, respectively (P < 0.001); and the 5 year OS was 64%, 88%, 88%, and 100%, respectively (P < 0.001). The greatest impact on unfavorable outcomes was the tumor mitotic rate (HR, 2.01, 95% CI, 1.38 2.94; P < 0.001). Duration of adjuvant imatinib was the only favorable factor (HR, -0.95, 95% CI, 0.93-0.97; P < 0.001). For high-risk patients with high tumor size or mitotic rate, or non-gastric GISTs, we recommend that more than 3 years of adjuvant imatinib is feasible. PMID- 29203826 TI - Blink associated resetting eye movements (BARMs) are functionally complementary to microsaccades in correcting for fixation errors. AB - Blinks do not only protect the eye, but they do also correct for torsional eye position deviations by blink-associated resetting eye movements (BARMs). Although BARMs are functionally distinct from other eye movements in the torsional dimension, it has remained open if BARMs observed in the horizontal and vertical dimensions (fixational BARMs) are not simply microsaccades coinciding with blinks. We show here that fixational BARMs are functionally distinct and complementary to microsaccades in the following way: First, they compensate for large fixational error more efficiently than microsaccades, secondly, their probability to be executed in eccentric eye positions is higher, and thirdly, they reset the eyes into a position zone that is broader as compared to microsaccades. This suggests that BARMs help to keep the eyes in a working range wherein microsaccades guarantee high acuity vision. Moreover, we establish that fixational BARMs operate in a retina-centric frame. PMID- 29203827 TI - Identification of early ammonium nitrate-responsive genes in rice roots. AB - Ammonium has long been used as the predominant form of nitrogen source for paddy rice (Oryza sativa). Recently, increasing evidence suggests that nitrate also plays an important role for nitrogen acquisition in the rhizosphere of waterlogged paddy rice. Ammonium and nitrate have a synergistic effect on promoting rice growth. However, the molecular responses induced by simultaneous treatment with ammonium and nitrate have been less studied in rice. Here, we performed transcriptome analysis to identify genes that are rapidly regulated by ammonium nitrate (1.43 mM, 30 min) in rice roots. The combination of ammonium and nitrate preferentially induced the expression of nitrate-responsive genes. Gene ontology enrichment analysis revealed that the early ammonium nitrate-responsive genes were enriched in "regulation of transcription, DNA-dependent" and "protein amino acid phosphorylation" indicating that some of the genes identified in this study may play an important role in nitrogen sensing and signaling. Several defense/stress-responsive genes, including some encoding transcription factors and mitogen-activated protein kinase kinase kinases, were also rapidly induced by ammonium nitrate. These results suggest that nitrogen metabolism, signaling, and defense/stress responses are interconnected. Some of the genes identified here may be involved in the interaction of nitrogen signaling and defense/stress response pathways in plants. PMID- 29203828 TI - FOXP2 variation in great ape populations offers insight into the evolution of communication skills. AB - The gene coding for the forkhead box protein P2 (FOXP2) is associated with human language disorders. Evolutionary changes in this gene are hypothesized to have contributed to the emergence of speech and language in the human lineage. Although FOXP2 is highly conserved across most mammals, humans differ at two functional amino acid substitutions from chimpanzees, bonobos and gorillas, with an additional fixed substitution found in orangutans. However, FOXP2 has been characterized in only a small number of apes and no publication to date has examined the degree of natural variation in large samples of unrelated great apes. Here, we analyzed the genetic variation in the FOXP2 coding sequence in 63 chimpanzees, 11 bonobos, 48 gorillas, 37 orangutans and 2 gibbons and observed undescribed variation in great apes. We identified two variable polyglutamine microsatellites in chimpanzees and orangutans and found three nonsynonymous single nucleotide polymorphisms, one in chimpanzees, one in gorillas and one in orangutans with derived allele frequencies of 0.01, 0.26 and 0.29, respectively. Structural and functional protein modeling indicate a biochemical effect of the substitution in orangutans, and because of its presence solely in the Sumatran orangutan species, the mutation may be associated with reported population differences in vocalizations. PMID- 29203829 TI - IL-4 driven transcription factor FoxQ1 is expressed by monocytes in atopic dermatitis and stimulates monocyte migration. AB - Monocytes are actively recruited at sites of chronic inflammation. However, molecular factors involved in this process are not fully elucidated. Here, we show that cytokine IL-4 which is implicated in the development of chronic inflammatory disease atopic dermatitis (AD) induces expression of transcription factor FoxQ1 in human monocytes and macrophages. FoxQ1 mRNA levels were elevated in monocytes of AD patients compared to healthy donors. Overexpression of FoxQ1 in RAW 264.7 monocytic cells facilitated their migration towards MCP-1 and was associated with decreased expression of migration-regulating genes (claudin 11 and plexin C1). Furthermore, FoxQ1 overexpression in RAW cells accelerated TNFalpha secretion after LPS challenge. Overall, our results indicate that FoxQ1 stimulates monocyte motility, increases pro-inflammatory potential, and directs monocyte migration towards MCP-1 that is crucial for monocyte influx into inflammatory sites. This mechanism could contribute to the pathogenesis of chronic inflammatory disorders such as AD. PMID- 29203830 TI - Cascaded gain-switching in the mid-infrared region. AB - In this report, we demonstrate mid-infrared dual-waveband (i.e., ~3 MUm and ~2 MUm) pulses from a cascaded gain-switched Ho3+-doped ZBLAN fiber laser by the use of hybrid pumping of 1150 nm CW and pulse LDs for the first time. Stable ~3 MUm gain-switched pulses with the maximum output power 262.14 mW and shortest pulse duration of 0.824 MUs were first gained at the repetition rate of 80 kHz and wavelength of 2928.5 nm. Then stable ~2 MUm gain-switched pulses at 2068 nm were achieved at a switchable repetition rate between 40 kHz and 80 kHz. The maximum output power and shortest pulse duration were 75.23 mW and 0.787 MUs, respectively (not simultaneously). Between them, there is a power-dependent MUs order time delay. This dual-waveband laser source has great potential in laser surgery, material processing. PMID- 29203831 TI - Germanium-doped Metallic Ohmic Contacts in Black Phosphorus Field-Effect Transistors with Ultra-low Contact Resistance. AB - In this work, we demonstrate for the first time an ultra-low contact resistance few-layered black phosphorus (BP) transistor with metallic PGex contacts formed by rapid thermal annealing (RTA). The on-state current of the transistor can be significantly improved and the ION/IOFF ratio increases by almost 2 order. The hole mobility is enhanced by 25 times to 227 cm2V-1s-1. The contact resistance extracted by the transfer length method is 0.365 kOmega?MUm, which is the lowest value in black phosphorus transistors without degradation of ION/IOFF ratio. In addition, the I-V curve of the transistor with PGex contact is linear compared to that with Ti contact at 80 K, indicating that a metallic ohmic contact is successfully formed. Finally, X-ray photoelectron spectroscopy is used to characterize the PGex compound. A signal of P-Ge bond is first observed, further verifying the doping of Ge into BP and the formation of the PGex alloy. PMID- 29203832 TI - Efficient and flexible implementation of Langevin simulation for gene burst production. AB - Gene expression involves bursts of production of both mRNA and protein, and the fluctuations in their number are increased due to such bursts. The Langevin equation is an efficient and versatile means to simulate such number fluctuation. However, how to include these mRNA and protein bursts in the Langevin equation is not intuitively clear. In this work, we estimated the variance in burst production from a general gene expression model and introduced such variation in the Langevin equation. Our approach offers different Langevin expressions for either or both transcriptional and translational bursts considered and saves computer time by including many production events at once in a short burst time. The errors can be controlled to be rather precise (<2%) for the mean and <10% for the standard deviation of the steady-state distribution. Our scheme allows for high-quality stochastic simulations with the Langevin equation for gene expression, which is useful in analysis of biological networks. PMID- 29203833 TI - Bayesian analysis of genome-wide inflammatory bowel disease data sets reveals new risk loci. AB - Genome-wide association studies (GWAS) have identified and validated 200 risk loci for inflammatory bowel disease (IBD) to date, including risk loci for both Crohn's disease and ulcerative colitis. Previously studies mainly used single SNP testing methods and only reported the most significant association within each locus. Advanced methods are needed to detect additional joint effects of multiple SNPs and fine map causal variants in presence of strong linkage disequilibrium. In this study, we applied a powerful Bayesian method to analyze an existing Immunochip data sets for IBD from the international inflammatory bowel disease genetics consortium. The method jointly tested single and set-based SNPs in a unified framework and filtered indirect associations due to linkage disequilibrium, thereby fine-mapping the most likely IBD variants. Using an independent collection of individuals from 11 IBD GWAS as validation, our approach discovered and validated 9 completely new IBD loci and 5 independent signals (excluding the major histocompatibility complex) near known IBD loci reaching genome-wide significance. Several of the replicated new loci implicated functionally more interpretable genes than previous reports. The epigenetic marks at our detected IBD signals demonstrated significant activation signatures in blood cell types and correspondingly substantial repression in stem cells, suggesting regulatory links between genetic variants and IBD. Our analysis of the currently largest IBD datasets therefore added new insights that will be integral to the ongoing efforts in IBD genetics. PMID- 29203834 TI - Molecular and cellular issues of KMT2A variants involved in Wiedemann-Steiner syndrome. AB - Variants in KMT2A, encoding the histone methyltransferase KMT2A, are a growing cause of intellectual disability (ID). Up to now, the majority of KMT2A variants are non-sense and frameshift variants causing a typical form of Wiedemann-Steiner syndrome. We studied KMT2A gene in a cohort of 200 patients with unexplained syndromic and non-syndromic ID and identified four novel variants, one splice and three missense variants, possibly deleterious. We used primary cells from the patients and molecular approaches to determine the deleterious effects of those variants on KMT2A expression and function. For the putative splice variant c.11322-1G>A, we showed that it led to only one nucleotide deletion and loss of the C-terminal part of the protein. For two studied KMT2A missense variants, c.3460C>T (p.(Arg1154Trp)) and c.8558T>G (p.(Met2853Arg)), located at the cysteine-rich CXXC domain and the transactivation domain of the protein, respectively, we found altered KMT2A target genes expression in patient's fibroblasts compared to controls. Furthermore, we found a disturbed subcellular distribution of KMT2A for the c.3460C>T mutant. Taken together, our results demonstrated the deleterious impact of the splice variant and of the missense variants located at two different functional domains and suggested reduction of KMT2A function as the disease-causing mechanism. PMID- 29203836 TI - Lung cancer: Osimertinib strengthens the frontline. PMID- 29203835 TI - Purification and functional comparison of nine human Aquaporins produced in Saccharomyces cerevisiae for the purpose of biophysical characterization. AB - The sparse number of high-resolution human membrane protein structures severely restricts our comprehension of molecular physiology and ability to exploit rational drug design. In the search for a standardized, cheap and easily handled human membrane protein production platform, we thoroughly investigated the capacity of S. cerevisiae to deliver high yields of prime quality human AQPs, focusing on poorly characterized members including some previously shown to be difficult to isolate. Exploiting GFP labeled forms we comprehensively optimized production and purification procedures resulting in satisfactory yields of all nine AQP targets. We applied the obtained knowledge to successfully upscale purification of histidine tagged human AQP10 produced in large bioreactors. Glycosylation analysis revealed that AQP7 and 12 were O-glycosylated, AQP10 was N glycosylated while the other AQPs were not glycosylated. We furthermore performed functional characterization and found that AQP 2, 6 and 8 allowed flux of water whereas AQP3, 7, 9, 10, 11 and 12 also facilitated a glycerol flux. In conclusion, our S. cerevisiae platform emerges as a powerful tool for isolation of functional, difficult-to-express human membrane proteins suitable for biophysical characterization. PMID- 29203837 TI - Urothelial cancer in 2017: Changes in expectations for metastatic urothelial carcinoma. PMID- 29203838 TI - Immunotherapy: New or second CARs for ALL. PMID- 29203839 TI - Generation of photonic entanglement in green fluorescent proteins. AB - Recent development of spectroscopic techniques based on quantum states of light can precipitate many breakthroughs in observing and controlling light-matter interactions in biological materials on a fundamental quantum level. For this reason, the generation of entangled light in biologically produced fluorescent proteins would be promising because of their biocompatibility. Here we demonstrate the generation of polarization-entangled two-photon state through spontaneous four-wave mixing in enhanced green fluorescent proteins. The reconstructed density matrix indicates that the entangled state is subject to decoherence originating from two-photon absorption. However, the prepared state is less sensitive to environmental decoherence because of the protective beta barrel structure that encapsulates the fluorophore in the protein. We further explore the quantumness, including classical and quantum correlations, of the state in the decoherence environment. Our method for photonic entanglement generation may have potential for developing quantum spectroscopic techniques and quantum-enhanced measurements in biological materials. PMID- 29203840 TI - Enhancement of eruption explosivity by heterogeneous bubble nucleation triggered by magma mingling. AB - We present new evidence that shows magma mingling can be a key process during highly explosive eruptions. Using fractal analysis of the size distribution of trachybasaltic fragments found on the inner walls of bubbles in trachytic pumices, we show that the more mafic component underwent fracturing during quenching against the trachyte. We propose a new mechanism for how this magmatic interaction at depth triggered rapid heterogeneous bubble nucleation and growth and could have enhanced eruption explosivity. We argue that the data support a further, and hitherto unreported contribution of magma mingling to highly explosive eruptions. This has implications for hazard assessment for those volcanoes in which evidence of magma mingling exists. PMID- 29203841 TI - Asymmetric adiabatic couplers for fully-integrated broadband quantum-polarization state preparation. AB - Spontaneous parametric down-conversion (SPDC) is a widely used method to generate entangled photons, enabling a range of applications from secure communication to tests of quantum physics. Integrating SPDC on a chip provides interferometric stability, allows to reduce a physical footprint, and opens a pathway to true scalability. However, dealing with different photon polarizations and wavelengths on a chip presents a number of challenging problems. In this work, we demonstrate an on-chip polarization beam-splitter based on z-cut titanium-diffused lithium niobate asymmetric adiabatic couplers (AAC) designed for integration with a type II SPDC source. Our experimental measurements reveal unique polarization beam splitting regime with the ability to tune the splitting ratios based on wavelength. In particular, we measured a splitting ratio of 17 dB over broadband regions (>60 nm) for both H- and V-polarized lights and a specific 50%/50% splitting ratio for a cross-polarized photon pair from the AAC. The results show that such a system can be used for preparing different quantum polarization-path states that are controllable by changing the phase-matching conditions in the SPDC over a broad band. Furthermore, we propose a fully integrated electro optically tunable type-II SPDC polarization-path-entangled state preparation circuit on a single lithium niobate photonic chip. PMID- 29203842 TI - Tolerability and adequate therapeutic dosage of oral clomipramine for the treatment of premature ejaculation: A randomized, double-blind, placebo controlled, fixed-dose, parallel-grouped clinical study. AB - To evaluate the adequate therapeutic dosage of clomipramine 15 mg/day and clomipramine 30 mg/day in male patients with premature ejaculation (PE), this study enrolled men aged 20-65 years who met diagnostic criteria for PE including Intravaginal Ejaculation Latency Time (IELT) less than 2 min for at least 75% of their sexual intercourses. Subjects received placebo, clomipramine 15 mg, or clomipramine 30 mg prn (2~6 h before intercourse) for 4 weeks. Efficacy was assessed using fold change, percentile change, and mean change of IELT, as well as Drug Coitus Interval Time (DCIT). A total of 101 patients were randomized into the placebo group, clomipramine 15 mg group, and clomipramine 30 mg group. Analyses of fold changes of IELT in each group revealed that the IELT of both the clomipramine 15 mg group and clomipramine 30 mg group was significantly increased 4 weeks after administration than the placebo group. Adverse events were reported by 11.76, 32.35, and 57.57% of patients in the placebo group, clomipramine 15 mg group, and clomipramine 30 mg group, respectively. Most common adverse events in the clomipramine treatment groups were gastrointestinal disorders and psychiatric disorders of mild to moderate severity. On-demand regimen of clomipramine 15 mg resulted in a significant improvement in IELT and was superior to a regimen of clomipramine 30 mg in terms of risk-to-benefit ratio. PMID- 29203843 TI - Bisexuality among a cohort of university students: prevalence and psychological distress. AB - Sociocultural prejudices and pressures may impair the mental health of bisexual people. We aim to evaluate psychological status according to sexual orientation in a sample of Italian university students, with specific attention to bisexuality and its frequency. Among a recruited sample of 551 university students, we found the following percentages for sexual orientation: heterosexuals 96.9% (n = 534), homosexuals 1.1% (n = 6), bisexuals 2% (n = 11). The cross-sectional analysis for psychological symptoms, with the Symptoms Check List-90 Revised (SCL-90-R), revealed that bisexual subjects have statistically significant higher scores on some symptomatic scales compared to heterosexuals. In particular, obsession-compulsion, paranoid ideation, hostility were significantly higher in bisexuals. Therefore, if heterosexual or homosexual orientation are not specified by particular psychological symptoms, bisexuality is characterized by a strong link with some facets of psychological distress, which are likely caused by a peculiar double stigma. In conclusion, through a specific psychometric tool, we found an association between bisexuality and various forms of psychological suffering. This evidence should further encourage clinicians to accurately assess the psychological health in young bisexual people. PMID- 29203844 TI - Complications, functional and quality of life outcomes following primary and secondary implantation of penile prosthesis at a tertiary referral center. AB - The implantation of a penile prosthesis (PP) may be recommended in patients with severe erectile dysfunction (ED) who do not respond to conservative treatments. The aim of this study was to evaluate complications, as well as functional and quality of life outcomes following primary and secondary implantation of PP at a tertiary referral center. In this retrospective study, a total of 51 patients (41 patients with primary (PPP) and 10 with secondary PP (SPP)) were included. Patients and operative characteristics were recorded and complications were analyzed using the Clavien-Dindo classification. To evaluate satisfaction of patients and their partners, as well as PP long-term function, follow-up data were collected by using questionnaires (Erectile Dysfunction Inventory of Treatment Satisfaction (EDITS) and QLQC30). Fifty-one patients with a median age of 61 years (IQR 52-68) received PP implantation (44 AMS 700, 7 Coloplast Titan). Main causes of ED were after radical prostatectomy (27.5%), diabetes (21,6%), and other unknown reasons (43.1%). Median time of intervention was 94.5 min (IQR 80.8 110.3) with no significant difference between PPP and SPP. Only one patient undergoing PPP surgery had grade 3 complication. Follow-up data from a total of 43 patients (84.3%) with a median follow-up of 26 months (IQR 17-41 mo) was recorded. At the time of follow-up, 88.4% of the PPs were still functional (PPP n = 34 (94.4%), SPP n = 4 (57.1%), p = 0.024). Overall estimated mean PP survival was 63.0 mo ((95% CI) 56.2-70.8 mo) with no significant difference between PPP and SPP. Overall satisfaction (EDITS und QLQC30) was high in both groups with no significant difference. PP implantation shows to be a safe treatment option in the management of severe ED. PMID- 29203845 TI - Enteral Tube Feeding in Paediatric Mitochondrial Diseases. AB - We investigated the effects of enteral tube feeding in Korean children with mitochondrial diseases. We performed a retrospective chart review of 68 paediatric patients with mitochondrial diseases on enteral tube feeding at a tertiary referral centre. The outcome of enteral nutrition was evaluated by decrease in gastrointestinal (GI) symptoms, weight gain, and increase in developmental quotient (DQ) among patients with data available. Among 68 patients, 56 (82%) were on gastrostomy and 12 (18%) were on prolonged nasogastric (NG) tube feeding. Decrease of GI symptoms was present in 37 of 48 patients (77%). Weight gain was present in 18 of 64 patients (28%) and was more prominent in the gastrostomy group (n = 17/54, 32%). Increase in DQ was similar between the NG tube and gastrostomy groups (total n = 10/48, 21%). Complications occurred in 42% (n = 5/12) of the NG tube group and 64% (n = 36/56) of the gastrostomy group. They varied in range, from mild to severe. Most complications were minor; there were 5 cases (9%) requiring gastrostomy removal or additional procedure and 2 cases (4%) of gastrostomy-related morbidity. Our results show that in paediatric patients with mitochondrial diseases, enteral tube feeding could help enhance quality of life by relieving GI symptoms, ameliorate growth failure and enhance development. PMID- 29203846 TI - Sero-catalytic and Antibody Acquisition Models to Estimate Differing Malaria Transmission Intensities in Western Kenya. AB - We sought to identify a subset of Plasmodium falciparum antibody targets that would inform monitoring efforts needed to eliminate malaria in high transmission settings. IgG antibodies to 28 recombinant Pf antigens were measured in residents of two communities in western Kenya examined in 2003 and 2013, when the respective prevalence of asymptomatic parasitemia among children was 81 and 15 percent by microscopy. Annual seroconversion rates based on a sero-catalytic model that dichotomised antibody values to negative versus positive showed that rates were higher in 2003 than 2013 for 1 pre-erythrocytic and 7 blood-stage antigens. Antibody acquisition models that considered antibody levels as continuous variables showed that age-related antibody levels to Circumsporozoite Protein and 10 merozoite proteins increased at different rates with age in 2003 versus 2013. Both models found that antibodies to 5 proteins of the Merozoite Surface Protein 1 complex were differentially acquired between the cohorts, and that changes in antibody levels to Apical Membrane Antigen 1 suggested a decrease in transmission that occurred ~10 years before 2013. Further studies evaluating antibodies to this subset of Pf antigens as biomarkers of malaria exposure and naturally acquired immunity are warranted in endemic settings where transmission has been reduced but persists. PMID- 29203848 TI - BDNF release and signaling are required for the antidepressant actions of GLYX 13. AB - Conventional antidepressant medications, which act on monoaminergic systems, display significant limitations, including a time lag of weeks to months and low rates of therapeutic efficacy. GLYX-13 is a novel glutamatergic compound that acts as an N-methyl-D-aspartate (NMDA) modulator with glycine-like partial agonist properties; like the NMDA receptor antagonist ketamine GLYX-13 produces rapid antidepressant actions in depressed patients and in preclinical rodent models. However, the mechanisms underlying the antidepressant actions of GLYX-13 have not been characterized. Here we use a combination of neutralizing antibody (nAb), mutant mouse and pharmacological approaches to test the role of brain derived neurotrophic factor-tropomyosin-related kinase B (BDNF-TrkB) signaling in the actions of GLYX-13. The results demonstrate that the antidepressant effects of GLYX-13 are blocked by intra-medial prefrontal cortex (intra-mPFC) infusion of an anti-BDNF nAb or in mice with a knock-in of the BDNF Val66Met allele, which blocks the processing and activity-dependent release of BDNF. We also demonstrate that pharmacological inhibitors of BDNF-TrkB signaling or of L-type voltage dependent Ca2+ channels (VDCCs) block the antidepressant behavioral actions of GLYX-13. Finally, we examined the role of the Rho GTPase proteins by injecting a selective inhibitor into the mPFC and found that activation of Rac1 but not RhoA is involved in the antidepressant effects of GLYX-13. Together, these findings indicate that enhanced release of BDNF through exocytosis caused by activation of VDCCs and subsequent TrkB-Rac1 signaling is required for the rapid and sustained antidepressant effects of GLYX-13. PMID- 29203847 TI - Reconceptualization of translocator protein as a biomarker of neuroinflammation in psychiatry. AB - A great deal of interest in psychiatric research is currently centered upon the pathogenic role of inflammatory processes. Positron emission tomography (PET) using radiolabeled ligands selective for the 18 kDa translocator protein (TSPO) has become the most widely used technique to assess putative neuroimmune abnormalities in vivo. Originally used to detect discrete neurotoxic damages, TSPO has generally turned into a biomarker of 'neuroinflammation' or 'microglial activation'. Psychiatric research has mostly accepted these denotations of TSPO, even if they may be inadequate and misleading under many pathological conditions. A reliable and neurobiologically meaningful diagnosis of 'neuroinflammation' or 'microglial activation' is unlikely to be achieved by the sole use of TSPO PET imaging. It is also very likely that the pathological meanings of altered TSPO binding or expression are disease-specific, and therefore, not easily generalizable across different neuropathologies or inflammatory conditions. This difficulty is intricately linked to the varying (and still ill-defined) physiological functions and cellular expression patterns of TSPO in health and disease. While altered TSPO binding or expression may indeed mirror ongoing neuroinflammatory processes in some cases, it may reflect other pathophysiological processes such as abnormalities in cell metabolism, energy production and oxidative stress in others. Hence, the increasing popularity of TSPO PET imaging has paradoxically introduced substantial uncertainty regarding the nature and meaning of neuroinflammatory processes and microglial activation in psychiatry, and likely in other neuropathological conditions as well. The ambiguity of conceiving TSPO simply as a biomarker of 'neuroinflammation' or 'microglial activation' calls for alternative interpretations and complimentary approaches. Without the latter, the ongoing scientific efforts and excitement surrounding the role of the neuroimmune system in psychiatry may not turn into therapeutic hope for affected individuals. PMID- 29203849 TI - An integrated brain-behavior model for working memory. AB - Working memory (WM) is a central construct in cognitive neuroscience because it comprises mechanisms of active information maintenance and cognitive control that underpin most complex cognitive behavior. Individual variation in WM has been associated with multiple behavioral and health features including demographic characteristics, cognitive and physical traits and lifestyle choices. In this context, we used sparse canonical correlation analyses (sCCAs) to determine the covariation between brain imaging metrics of WM-network activation and connectivity and nonimaging measures relating to sensorimotor processing, affective and nonaffective cognition, mental health and personality, physical health and lifestyle choices derived from 823 healthy participants derived from the Human Connectome Project. We conducted sCCAs at two levels: a global level, testing the overall association between the entire imaging and behavioral-health data sets; and a modular level, testing associations between subsets of the two data sets. The behavioral-health and neuroimaging data sets showed significant interdependency. Variables with positive correlation to the neuroimaging variate represented higher physical endurance and fluid intelligence as well as better function in multiple higher-order cognitive domains. Negatively correlated variables represented indicators of suboptimal cardiovascular and metabolic control and lifestyle choices such as alcohol and nicotine use. These results underscore the importance of accounting for behavioral-health factors in neuroimaging studies of WM and provide a neuroscience-informed framework for personalized and public health interventions to promote and maintain the integrity of the WM network. PMID- 29203850 TI - Polygenic prediction of obsessive compulsive symptoms. PMID- 29203851 TI - Dynamic landscape of the local translation at activated synapses. AB - The mammalian target of rapamycin (mTOR) signaling pathway is the central regulator of cap-dependent translation at the synapse. Disturbances in mTOR pathway have been associated with several neurological diseases, such as autism and epilepsy. RNA-binding protein FMRP, a negative regulator of translation initiation, is one of the key components of the local translation system. Activation and inactivation of FMRP occurs via phosphorylation by S6 kinase and dephosphorylation by PP2A phosphatase, respectively. S6 kinase and PP2A phosphatase are activated in response to mGluR receptor stimulation through different signaling pathways and at different rates. The dynamic aspects of this system are poorly understood. We developed a mathematical model of FMRP-dependent regulation of postsynaptic density (PSD) protein synthesis in response to mGluR receptor stimulation and conducted in silico experiments to study the regulatory circuit functioning. The modeling results revealed the possibility of generating oscillatory (cyclic and quasi-cyclic), chaotic and even hyperchaotic dynamics of postsynaptic protein synthesis as well as the presence of multiple attractors in a wide range of parameters of the local translation system. The results suggest that autistic disorders associated with mTOR pathway hyperactivation may be due to impaired proteome stability associated with the formation of complex dynamic regimes of PSD protein synthesis in response to stimulation of mGluR receptors on the postsynaptic membrane of excitatory synapses on pyramidal hippocampal cells. PMID- 29203852 TI - The dynamics of stress: a longitudinal MRI study of rat brain structure and connectome. AB - Stress is a well-established trigger for a number of neuropsychiatric disorders, as it alters both structure and function of several brain regions and its networks. Herein, we conduct a longitudinal neuroimaging study to assess how a chronic unpredictable stress protocol impacts the structure of the rat brain and its functional connectome in both high and low responders to stress. Our results reveal the changes that stress triggers in the brain, with structural atrophy affecting key regions such as the prelimbic, cingulate, insular and retrosplenial, somatosensory, motor, auditory and perirhinal/entorhinal cortices, the hippocampus, the dorsomedial striatum, nucleus accumbens, the septum, the bed nucleus of the stria terminalis, the thalamus and several brain stem nuclei. These structural changes are associated with increasing functional connectivity within a network composed by these regions. Moreover, using a clustering based on endocrine and behavioural outcomes, animals were classified as high and low responders to stress. We reveal that susceptible animals (high responders) develop local atrophy of the ventral tegmental area and an increase in functional connectivity between this area and the thalamus, further spreading to other areas that link the cognitive system with the fight-or-flight system. Through a longitudinal approach we were able to establish two distinct patterns, with functional changes occurring during the exposure to stress, but with an inflection point after the first week of stress when more prominent changes were seen. Finally, our study revealed differences in functional connectivity in a brainstem-limbic network that distinguishes resistant and susceptible responders before any exposure to stress, providing the first potential imaging-based predictive biomarkers of an individual's resilience/vulnerability to stressful conditions. PMID- 29203853 TI - Quantitative Analysis of Inflammation in Orbital Fat of Thyroid-associated Ophthalmopathy Using MRI Signal Intensity. AB - We quantitatively analyzed inflammation in orbital fat from cases of thyroid associated ophthalmopathy (TAO) using short-tau inversion recovery (STIR) sequences from magnetic resonance imaging. The signal intensity ratios (SIRs) of orbital fat as well as the superior rectus (SR), inferior rectus (IR), lateral rectus (LR), medial rectus (MR), and superior oblique (SO) muscles on STIR images were measured in 70 eyes from 70 treatment-naive TAO patients (active TAO group, 19 patients; inactive TAO group, 51 patients) and 20 eyes from 20 controls. The mean SIR in the active TAO group was significantly higher than that in the inactive TAO group and controls (P < 0.001). The SIR of orbital fat in all TAO patients was significantly (P < 0.001) positively correlated with that of the extraocular muscles: SR (r = 0.64), IR (r = 0.55), LR (r = 0.58), MR (r = 0.71), and SO (r = 0.65). The SIR of orbital fat had a significant positive correlation with the CAS (r = 0.53, P < 0.001). The measurements of SIRs in orbital fat may be useful in evaluating the activity in tissues of TAO patients. PMID- 29203855 TI - Effect of consolidation chemotherapy following definitive chemoradiotherapy in patients with esophageal squamous cell cancer. AB - Definitive chemoradiotherapy (dCRT) is a treatment option for patients with localized esophageal squamous cell carcinoma (ESCC). We investigated consolidation chemotherapy (CCT) in patients with ESCC who attained clinical complete response after dCRT. Between January 2009 and December 2012, medical records of ESCC patients treated with dCRT were retrospectively reviewed, and those who attained CCR were identified. Progression-free survival and overall survival rates were estimated by the Kaplan-Meier method. The Cox regression model was used to determine prognostic factors. Of the 522 patients treated with dCRT, 209 patients achieved CCR, with 67 receiving consolidation chemotherapy (the CCT group) and 142 receiving dCRT alone (the control group). CCT did not prolong progression-free survival (33.0 vs 18.0 months, P = 0.07, HR = 0.70, 95% CI, 0.48-1.04); however, CCT improved the median overall survival (53.4 vs 27.0 months, P = 0.04, HR = 0.67, 95% CI, 0.44-0.99) compared with dCRT alone. CCT remained a favorable prognostic factor for overall survival in a multivariate analysis (HR = 0.59, P = 0.02); however, a propensity score analysis failed to show an additional overall survival benefit with CCT. In the present analysis, CCT did not improve progression-free survival but may have extended overall survival in ESCC patients who achieved complete clinical response after dCRT. PMID- 29203854 TI - Distributed neural representation of saliency controlled value and category during anticipation of rewards and punishments. AB - An extensive literature from cognitive neuroscience examines the neural representation of value, but interpretations of these existing results are often complicated by the potential confound of saliency. At the same time, recent attempts to dissociate neural signals of value and saliency have not addressed their relationship with category information. Using a multi-category valuation task that incorporates rewards and punishments of different nature, we identify distributed neural representation of value, saliency, and category during outcome anticipation. Moreover, we reveal category encoding in multi-voxel blood-oxygen level-dependent activity patterns of the vmPFC and the striatum that coexist with value signals. These results help clarify ambiguities regarding value and saliency encoding in the human brain and their category independence, lending strong support to the neural "common currency" hypothesis. Our results also point to potential novel mechanisms of integrating multiple aspects of decision-related information. PMID- 29203856 TI - Somatic CLL mutations occur at multiple distinct hematopoietic maturation stages: documentation and cautionary note regarding cell fraction purity. PMID- 29203857 TI - CO2 fixation in above-ground biomass of summer maize under different tillage and straw management treatments. AB - This study was conducted to quantify the potential for CO2 fixation in the above ground biomass of summer maize (Zea mays L.) under different tillage and residue retention treatments. The treatments were paired and included conventional tillage with straw removed (CT0), conventional tillage with straw retained (CTS), no-till with straw removed (NT0), no-till with straw retention (NTS), subsoiling with straw removed (SS0), and subsoiling with straw retained (SSS). The results indicated that NTS and SSS can enhance translocation of photosynthates to grains during the post-anthesis stage. SSS showed the highest total production (average of 7.8 Mg ha-1), carbon absorption by crop (Cd) (average of 9.2 Mg C ha-1), and total C absorption (Ct) (average of 40.4 Mg C ha-1); and NTS showed the highest contribution of post-anthesis dry matter translocation to grain yield (average of 74%). Higher CO2 emission intensity and CO2 fixation efficiency (CFE) were observed for straw retention treatments. In comparison with CTS, the mean CFE (%) over four years increased by 26.3, 19.0, 16.5, and 9.4 for NT0, SS0, NTS, and SSS, respectively. Thus, SSS and NTS systems offer the best options for removing CO2 from the atmosphere while enhancing crop productivity of summer maize in the North China Plain. PMID- 29203858 TI - Complete 3-Qubit Grover search on a programmable quantum computer. AB - The Grover quantum search algorithm is a hallmark application of a quantum computer with a well-known speedup over classical searches of an unsorted database. Here, we report results for a complete three-qubit Grover search algorithm using the scalable quantum computing technology of trapped atomic ions, with better-than-classical performance. Two methods of state marking are used for the oracles: a phase-flip method employed by other experimental demonstrations, and a Boolean method requiring an ancilla qubit that is directly equivalent to the state marking scheme required to perform a classical search. We also report the deterministic implementation of a Toffoli-4 gate, which is used along with Toffoli-3 gates to construct the algorithms; these gates have process fidelities of 70.5% and 89.6%, respectively. PMID- 29203859 TI - Interleukin-13 receptor alpha 2 cooperates with EGFRvIII signaling to promote glioblastoma multiforme. AB - The interleukin-13 receptor alpha2 (IL-13Ralpha2) is a cancer-associated receptor overexpressed in human glioblastoma multiforme (GBM). This receptor is undetectable in normal brain which makes it a highly suitable target for diagnostic and therapeutic purposes. However, the pathological role of this receptor in GBM remains to be established. Here we report that IL-13Ralpha2 alone induces invasiveness of human GBM cells without affecting their proliferation. In contrast, in the presence of the mutant EGFR (EGFRvIII), IL-13Ralpha2 promotes GBM cell proliferation in vitro and in vivo. Mechanistically, the cytoplasmic domain of IL-13Ralpha2 specifically binds to EGFRvIII, and this binding upregulates the tyrosine kinase activity of EGFRvIII and activates the RAS/RAF/MEK/ERK and STAT3 pathways. Our findings support the "To Go or To Grow" hypothesis whereby IL-13Ralpha2 serves as a molecular switch from invasion to proliferation, and suggest that targeting both receptors with STAT3 signaling inhibitor might be a therapeutic approach for the treatment of GBM. PMID- 29203860 TI - Adipose tissue mitochondrial capacity associates with long-term weight loss success. AB - OBJECTIVES: We investigated whether (1) subcutaneous adipose tissue (SAT) mitochondrial capacity predicts weight loss success and (2) weight loss ameliorates obesity-related SAT mitochondrial abnormalities. METHODS: SAT biopsies were obtained from 19 clinically healthy obese subjects (body mass index (BMI) 34.6+/-2.7 kg m-2) during a weight loss intervention (0, 5 and 12 months) and from 19 lean reference subjects (BMI 22.7+/-1.1 kg m-2) at baseline. Based on 1-year weight loss outcome, the subjects were divided into two groups: continuous weight losers (WL, n=6) and weight regainers (WR, n=13). Main outcome measures included SAT mitochondrial pathways from transcriptomics, mitochondrial amount (mitochondrial DNA (mtDNA), Porin protein levels), mtDNA-encoded transcripts, oxidative phosphorylation (OXPHOS) proteins, and plasma metabolites of the mitochondrial branched-chain amino-acid catabolism (BCAA) pathway. SAT and visceral adipose tissue (VAT) glucose uptake was measured with positron emission tomography. RESULTS: Despite similar baseline clinical characteristics, SAT in the WL group exhibited higher gene expression level of nuclear-encoded mitochondrial pathways (P=0.0224 OXPHOS, P=0.0086 tricarboxylic acid cycle, P=0.0074 fatty acid beta-oxidation and P=0.0122 BCAA), mtDNA transcript COX1 (P=0.0229) and protein level of Porin (P=0.0462) than the WR group. Many baseline mitochondrial parameters correlated with WL success, and with SAT and VAT glucose uptake. During WL, the nuclear-encoded mitochondrial pathways were downregulated, together with increased plasma metabolite levels of BCAAs in both groups. MtDNA copy number increased in the WR group at 5 months (P=0.012), but decreased to baseline level between 5 and 12 months (P=0.015). The only significant change in the WL group for mtDNA was a reduction between 5 and 12 months (P=0.004). The levels of Porin did not change in either group upon WL. CONCLUSIONS: Higher mitochondrial capacity in SAT predicts good long-term WL success. WL does not ameliorate SAT mitochondrial downregulation and based on pathway expression, may paradoxically further reduce it.Data availability:The transcriptomics data generated in this study have been deposited to the Gene Expression Omnibus public repository, accession number GSE103769. PMID- 29203862 TI - Diversification of human plasmacytoid predendritic cells in response to a single stimulus. AB - Innate immune cells adjust to microbial and inflammatory stimuli through a process termed environmental plasticity, which links a given individual stimulus to a unique activated state. Here, we report that activation of human plasmacytoid predendritic cells (pDCs) with a single microbial or cytokine stimulus triggers cell diversification into three stable subpopulations (P1-P3). P1-pDCs (PD-L1+CD80-) displayed a plasmacytoid morphology and specialization for type I interferon production. P3-pDCs (PD-L1-CD80+) adopted a dendritic morphology and adaptive immune functions. P2-pDCs (PD-L1+CD80+) displayed both innate and adaptive functions. Each subpopulation expressed a specific coding- and long-noncoding-RNA signature and was stable after secondary stimulation. P1 pDCs were detected in samples from patients with lupus or psoriasis. pDC diversification was independent of cell divisions or preexisting heterogeneity within steady-state pDCs but was controlled by a TNF autocrine and/or paracrine communication loop. Our findings reveal a novel mechanism for diversity and division of labor in innate immune cells. PMID- 29203864 TI - Van der Waals epitaxial growth and optoelectronics of large-scale WSe2/SnS2 vertical bilayer p-n junctions. AB - High-quality two-dimensional atomic layered p-n heterostructures are essential for high-performance integrated optoelectronics. The studies to date have been largely limited to exfoliated and restacked flakes, and the controlled growth of such heterostructures remains a significant challenge. Here we report the direct van der Waals epitaxial growth of large-scale WSe2/SnS2 vertical bilayer p-n junctions on SiO2/Si substrates, with the lateral sizes reaching up to millimeter scale. Multi-electrode field-effect transistors have been integrated on a single heterostructure bilayer. Electrical transport measurements indicate that the field-effect transistors of the junction show an ultra-low off-state leakage current of 10-14 A and a highest on-off ratio of up to 107. Optoelectronic characterizations show prominent photoresponse, with a fast response time of 500 MUs, faster than all the directly grown vertical 2D heterostructures. The direct growth of high-quality van der Waals junctions marks an important step toward high-performance integrated optoelectronic devices and systems. PMID- 29203863 TI - ORAI channels are critical for receptor-mediated endocytosis of albumin. AB - Impaired albumin reabsorption by proximal tubular epithelial cells (PTECs) has been highlighted in diabetic nephropathy (DN), but little is known about the underlying molecular mechanisms. Here we find that ORAI1-3, are preferentially expressed in PTECs and downregulated in patients with DN. Hyperglycemia or blockade of insulin signaling reduces the expression of ORAI1-3. Inhibition of ORAI channels by BTP2 and diethylstilbestrol or silencing of ORAI expression impairs albumin uptake. Transgenic mice expressing a dominant-negative Orai1 mutant (E108Q) increases albuminuria, and in vivo injection of BTP2 exacerbates albuminuria in streptozotocin-induced and Akita diabetic mice. The albumin endocytosis is Ca2+-dependent and accompanied by ORAI1 internalization. Amnionless (AMN) associates with ORAIs and forms STIM/ORAI/AMN complexes after Ca2+ store depletion. STIM1/ORAI1 colocalizes with clathrin, but not with caveolin, at the apical membrane of PTECs, which determines clathrin-mediated endocytosis. These findings provide insights into the mechanisms of protein reabsorption and potential targets for treating diabetic proteinuria. PMID- 29203866 TI - Rpgrip1 is required for rod outer segment development and ciliary protein trafficking in zebrafish. AB - Mutations in the RPGR-interacting protein 1 (RPGRIP1) gene cause recessive Leber congenital amaurosis (LCA), juvenile retinitis pigmentosa (RP) and cone-rod dystrophy. RPGRIP1 interacts with other retinal disease-causing proteins and has been proposed to have a role in ciliary protein transport; however, its function remains elusive. Here, we describe a new zebrafish model carrying a nonsense mutation in the rpgrip1 gene. Rpgrip1homozygous mutants do not form rod outer segments and display mislocalization of rhodopsin, suggesting a role for RPGRIP1 in rhodopsin-bearing vesicle trafficking. Furthermore, Rab8, the key regulator of rhodopsin ciliary trafficking, was mislocalized in photoreceptor cells of rpgrip1 mutants. The degeneration of rod cells is early onset, followed by the death of cone cells. These phenotypes are similar to that observed in LCA and juvenile RP patients. Our data indicate RPGRIP1 is necessary for rod outer segment development through regulating ciliary protein trafficking. The rpgrip1 mutant zebrafish may provide a platform for developing therapeutic treatments for RP patients. PMID- 29203865 TI - Albumin/vaccine nanocomplexes that assemble in vivo for combination cancer immunotherapy. AB - Subunit vaccines have been investigated in over 1000 clinical trials of cancer immunotherapy, but have shown limited efficacy. Nanovaccines may improve efficacy but have rarely been clinically translated. By conjugating molecular vaccines with Evans blue (EB) into albumin-binding vaccines (AlbiVax), here we develop clinically promising albumin/AlbiVax nanocomplexes that self-assemble in vivo from AlbiVax and endogenous albumin for efficient vaccine delivery and potent cancer immunotherapy. PET pharmacoimaging, super-resolution microscopies, and flow cytometry reveal almost 100-fold more efficient co-delivery of CpG and antigens (Ags) to lymph nodes (LNs) by albumin/AlbiVax than benchmark incomplete Freund's adjuvant (IFA). Albumin/AlbiVax elicits ~10 times more frequent peripheral antigen-specific CD8+ cytotoxic T lymphocytes with immune memory than IFA-emulsifying vaccines. Albumin/AlbiVax specifically inhibits progression of established primary or metastatic EG7.OVA, B16F10, and MC38 tumors; combination with anti-PD-1 and/or Abraxane further potentiates immunotherapy and eradicates most MC38 tumors. Albumin/AlbiVax nanocomplexes are thus a robust platform for combination cancer immunotherapy. PMID- 29203868 TI - A microsatellite repeat in PCA3 long non-coding RNA is associated with prostate cancer risk and aggressiveness. AB - Short tandem repeats (STRs) are repetitive sequences of a polymorphic stretch of two to six nucleotides. We hypothesized that STRs are associated with prostate cancer development and/or progression. We undertook RNA sequencing analysis of prostate tumors and adjacent non-malignant cells to identify polymorphic STRs that are readily expressed in these cells. Most of the expressed STRs in the clinical samples mapped to intronic and intergenic DNA. Our analysis indicated that three of these STRs (TAAA-ACTG2, TTTTG-TRIB1, and TG-PCA3) are polymorphic and differentially expressed in prostate tumors compared to adjacent non malignant cells. TG-PCA3 STR expression was repressed by the anti-androgen drug enzalutamide in prostate cancer cells. Genetic analysis of prostate cancer patients and healthy controls (N > 2,000) showed a significant association of the most common 11 repeat allele of TG-PCA3 STR with prostate cancer risk (OR = 1.49; 95% CI 1.11-1.99; P = 0.008). A significant association was also observed with aggressive disease (OR = 2.00; 95% CI 1.06-3.76; P = 0.031) and high mortality rates (HR = 3.0; 95% CI 1.03-8.77; P = 0.045). We propose that TG-PCA3 STR has both diagnostic and prognostic potential for prostate cancer. We provided a proof of concept to be applied to other RNA sequencing datasets to identify disease associated STRs for future clinical exploratory studies. PMID- 29203867 TI - Sensory Stream Adaptation in Chaotic Networks. AB - Implicit expectations induced by predictable stimuli sequences affect neuronal response to upcoming stimuli at both single cell and neural population levels. Temporally regular sensory streams also phase entrain ongoing low frequency brain oscillations but how and why this happens is unknown. Here we investigate how random recurrent neural networks without plasticity respond to stimuli streams containing oddballs. We found the neuronal correlates of sensory stream adaptation emerge if networks generate chaotic oscillations which can be phase entrained by stimulus streams. The resultant activity patterns are close to critical and support history dependent response on long timescales. Because critical network entrainment is a slow process stimulus response adapts gradually over multiple repetitions. Repeated stimuli generate suppressed responses but oddball responses are large and distinct. Oscillatory mismatch responses persist in population activity for long periods after stimulus offset while individual cell mismatch responses are strongly phasic. These effects are weakened in temporally irregular sensory streams. Thus we show that network phase entrainment provides a biologically plausible mechanism for neural oddball detection. Our results do not depend on specific network characteristics, are consistent with experimental studies and may be relevant for multiple pathologies demonstrating altered mismatch processing such as schizophrenia and depression. PMID- 29203869 TI - TRPM7 kinase activity is essential for T cell colonization and alloreactivity in the gut. AB - The melastatin-like transient-receptor-potential-7 protein (TRPM7), harbouring a cation channel and a serine/threonine kinase, has been implicated in thymopoiesis and cytokine expression. Here we show, by analysing TRPM7 kinase-dead mutant (Trpm7 R/R ) mice, that the enzymatic activity of the receptor is not essential for thymopoiesis, but is required for CD103 transcription and gut-homing of intra epithelial lymphocytes. Defective T cell gut colonization reduces MHCII expression in intestinal epithelial cells. Mechanistically, TRPM7 kinase activity controls TGF-beta-induced CD103 expression and pro-inflammatory T helper 17, but not regulatory T, cell differentiation by modulating SMAD2. Notably, we find that the TRPM7 kinase activity promotes gut colonization by alloreactive T cells in acute graft-versus-host disease. Thus, our results unravel a function of TRPM7 kinase in T cell activity and suggest a therapeutic potential of kinase inhibitors in averting acute graft-versus-host disease. PMID- 29203870 TI - IFT proteins spatially control the geometry of cleavage furrow ingression and lumen positioning. AB - Cytokinesis mediates the physical separation of dividing cells and, in 3D epithelia, provides a spatial landmark for lumen formation. Here, we unravel an unexpected role in cytokinesis for proteins of the intraflagellar transport (IFT) machinery, initially characterized for their ciliary role and their link to polycystic kidney disease. Using 2D and 3D cultures of renal cells, we show that IFT proteins are required to correctly shape the central spindle, to control symmetric cleavage furrow ingression and to ensure central lumen positioning. Mechanistically, IFT88 directly interacts with the kinesin MKLP2 and is essential for the correct relocalization of the Aurora B/MKLP2 complex to the central spindle. IFT88 is thus required for proper centralspindlin distribution and central spindle microtubule organization. Overall, this work unravels a novel non ciliary mechanism for IFT proteins at the central spindle, which could contribute to kidney cyst formation by affecting lumen positioning. PMID- 29203871 TI - CP and CP-PGN protect mice against MRSA infection by inducing M1 macrophages. AB - Corynebacterium pyruviciproducens (C. pyruviciproducens, CP), as a newly discovered immunomodulator, has been confirmed to have a stronger immunoregulation than Propionibacterium acnes (P. acnes) of the traditional immune adjuvant, by previous experiments with model antigen ovalbumin and sheep red blood cells. Here, it was designed to assess its ability to resist methicillin-resistant Staphylococcus aureus (MRSA), since MRSA as a vital gram positive pathogen is characterized by high morbidity and mortality. In this report, it was indicated that C. pyruviciproducens and its peptidoglycan (CP-PGN) could help to be against bloodstream infection of MRSA with raised survival rate, decreased bacteria load and alleviated systemic inflammation, and these effects of CP-PGN were more pronounced. However, the whole CP was inclined to prevent localized abdominal infection of MRSA from progressing to a systemic infection. And they showed the potential as a therapeutic drug alone or combined with vancomycin. The diversity of capacity of activating macrophages induced by CP and CP-PGN may result in distinct resistance to MRSA in different infection models. Furthermore, both CP and CP-PGN induced M1 macrophages. In conclusion, CP and its PGN could act as promising immune agents to treat and prevent MRSA infection. PMID- 29203872 TI - DNA metabarcoding data unveils invisible pollination networks. AB - Animal pollination, essential for both ecological services and ecosystem functioning, is threatened by ongoing global changes. New methodologies to decipher their effects on pollinator composition to ecosystem health are urgently required. We compare the main structural parameters of pollination networks based on DNA metabarcoding data with networks based on direct observations of insect visits to plants at three resolution levels. By detecting numerous additional hidden interactions, metabarcoding data largely alters the properties of the pollination networks compared to visit surveys. Molecular data shows that pollinators are much more generalist than expected from visit surveys. However, pollinator species were composed of relatively specialized individuals and formed functional groups highly specialized upon floral morphs. We discuss pros and cons of metabarcoding data relative to data obtained from traditional methods and their potential contribution to both current and future research. This molecular method seems a very promising avenue to address many outstanding scientific issues at a resolution level which remains unattained to date; especially for those studies requiring pollinator and plant community investigations over macro ecological scales. PMID- 29203873 TI - Multiyne chains chelating osmium via three metal-carbon sigma bonds. AB - Although the formation of metal-carbon sigma bonds is a fundamental principle in organometallic chemistry, the direct bonding of one organic molecule with one metal center to generate more than two metal-carbon sigma bonds remains a challenge. Herein, we report an aromaticity-driven method whereby multiyne chains are used to construct three metal-carbon sigma bonds in a one-pot reaction under mild conditions. In this method, multiyne chains act as ligand precursors capable of chelating an osmium center to yield planar metallapolycycles, which exhibit aromaticity and good stability. The direct assembly of various multiyne chains with commercially available metal complexes or even simple metal salts provides a convenient and efficient strategy for constructing all carbon-ligated chelates on the gram scale. PMID- 29203874 TI - The Posterior Insula Shows Disrupted Brain Functional Connectivity in Female Migraineurs Without Aura Based on Brainnetome Atlas. AB - Long-term headache attacks may cause human brain network reorganization in patients with migraine. In the current study, we calculated the topologic properties of functional networks based on the Brainnetome atlas using graph theory analysis in 29 female migraineurs without aura (MWoA) and in 29 female age matched healthy controls. Compared with controls, female MWoA exhibited that the network properties altered, and the nodal centralities decreased/increased in some brain areas. In particular, the right posterior insula and the left medial superior occipital gyrus of patients exhibited significantly decreased nodal centrality compared with healthy controls. Furthermore, female MWoA exhibited a disrupted functional network, and notably, the two sub-regions of the right posterior insula exhibited decreased functional connectivity with many other brain regions. The topological metrics of functional networks in female MWoA included alterations in the nodal centrality of brain regions and disrupted connections between pair regions primarily involved in the discrimination of sensory features of pain, pain modulation or processing and sensory integration processing. In addition, the posterior insula decreased the nodal centrality, and exhibited disrupted connectivity with many other brain areas in female migraineurs, which suggests that the posterior insula plays an important role in female migraine pathology. PMID- 29203875 TI - The individual environment, not the family is the most important influence on preferences for common non-alcoholic beverages in adolescence. AB - Beverage preferences are an important driver of consumption, and strong liking for beverages high in energy (e.g. sugar-sweetened beverages [SSBs]) and dislike for beverages low in energy (e.g. non-nutritive sweetened beverages [NNSBs]) are potentially modifiable risk factors contributing to variation in intake. Twin studies have established that both genes and environment play important roles in shaping food preferences; but the aetiology of variation in non-alcoholic beverage preferences is unknown. 2865 adolescent twins (18-19-years old) from the Twins Early Development Study were used to quantify genetic and environmental influence on variation in liking for seven non-alcoholic beverages: SSBs; NNSBs; fruit cordials, orange juice, milk, coffee, and tea. Maximum Likelihood Structural Equation Modelling established that beverage preferences have a moderate to low genetic basis; from 18% (95% CI: 10%, 25%) for orange juice to 42% (36%, 43%) for fruit cordials. Aspects of the environment that are not shared by twin pairs explained all remaining variance in drink preferences. The sizeable unique environmental influence on beverage preferences highlights the potential for environmental modification. Policies and guidelines to change preferences for unhealthy beverages may therefore be best directed at the wider environment. PMID- 29203876 TI - The relationship between personality and the response to acute psychological stress. AB - The present study examined the relationship between personality traits and the response to acute psychological stress induced by a standardized laboratory stress induction procedure (the Trier Social Stress Test, TSST). The stress response was measured with a combination of cardiovascular reactivity, hypothalamic-pituitary-adrenal axis reactivity, and subjective affect (including positive affect, negative affect and subjective controllability) in healthy individuals. The Generalized Estimating Equations (GEE) approach was applied to account for the relationship between personality traits and stress responses. Results suggested that higher neuroticism predicted lower heart rate stress reactivity, lower cortisol stress response, more decline of positive affect and lower subjective controllability. Individuals higher in extraversion showed smaller cortisol activation to stress and less increase of negative affect. In addition, higher openness score was associated with lower cortisol stress response. These findings elucidate that neuroticism, extraversion and openness are important variables associated with the stress response and different dimensions of personality trait are associated with different aspects of the stress response. PMID- 29203877 TI - Formation of carbyne-like materials during low temperature pyrolysis of lignocellulosic biomass: A natural resource of linear sp carbons. AB - The exploration, understanding and potential applications of 'Carbyne', the one dimensional sp allotrope of carbon, have been severely limited due to its extreme reactivity and a tendency for highly exothermic cross-linking. Due to ill-defined materials, limited characterization and a lack of compelling definitive evidence, even the existence of linear carbons has been questioned. We report a first-ever investigation on the formation of carbyne-like materials during low temperature pyrolysis of biobased lignin, a natural bioresource. The presence of carbyne was confirmed by detecting acetylenic -C=C- bonds in lignin chars using NMR, Raman and FTIR spectroscopies. The crystallographic structure of this phase was determined as hexagonal: a = 6.052 A, c = 6.96 A from x-ray diffraction results. HRSEM images on lignin chars showed that the carbyne phase was present as nanoscale flakes/fibers (~10 nm thick) dispersed in an organic matrix and showed no sign of overlapping or physical contact. These nanostructures did not show any tendency towards cross-linking, but preferred to branch out instead. Overcoming key issues/challenges associated with their formation and stability, this study presents a novel approach for producing a stable condensed phase of sp-bonded linear carbons from a low-cost, naturally abundant, and renewable bioresource. PMID- 29203879 TI - QuPath: Open source software for digital pathology image analysis. AB - QuPath is new bioimage analysis software designed to meet the growing need for a user-friendly, extensible, open-source solution for digital pathology and whole slide image analysis. In addition to offering a comprehensive panel of tumor identification and high-throughput biomarker evaluation tools, QuPath provides researchers with powerful batch-processing and scripting functionality, and an extensible platform with which to develop and share new algorithms to analyze complex tissue images. Furthermore, QuPath's flexible design makes it suitable for a wide range of additional image analysis applications across biomedical research. PMID- 29203880 TI - Evidence for a novel function of Awd in maintenance of genomic stability. AB - The abnormal wing discs (awd) gene encodes the Drosophila homolog of NME1/NME2 metastasis suppressor genes. Awd acts in multiple tissues where its function is critical in establishing and maintaining epithelial integrity. Here, we analysed awd gene function in Drosophila epithelial cells using transgene-mediated RNA interference and genetic mosaic analysis. We show that awd knockdown in larval wing disc epithelium leads to chromosomal instability (CIN) and induces apoptosis mediated by activation of c-Jun N-terminal kinase. Forced maintenance of Awd depleted cells, by expressing the cell death inhibitor p35, downregulates atypical protein kinase C and DE-Cadherin. Consistent with their loss of cell polarity and enhanced level of matrix metalloproteinase 1, cells delaminate from wing disc epithelium. Furthermore, the DNA content profile of these cells indicates that they are aneuploid. Overall, our data demonstrate a novel function for awd in maintenance of genomic stability. Our results are consistent with other studies reporting that NME1 down-regulation induces CIN in human cell lines and suggest that Drosophila model could be successfully used to study in vivo the impact of NME/Awd - induced genomic instability on tumour development and metastasis formation. PMID- 29203878 TI - ATM and CDK2 control chromatin remodeler CSB to inhibit RIF1 in DSB repair pathway choice. AB - CSB, a member of the SWI2/SNF2 superfamily, is implicated in DNA double-strand break (DSB) repair. However, how it regulates this repair process is poorly understood. Here we uncover that CSB interacts via its newly identified winged helix domain with RIF1, an effector of 53BP1, and that this interaction mediates CSB recruitment to DSBs in S phase. At DSBs, CSB remodels chromatin by evicting histones, which limits RIF1 and its effector MAD2L2 but promotes BRCA1 accumulation. The chromatin remodeling activity of CSB requires not only damage induced phosphorylation on S10 by ATM but also cell cycle-dependent phosphorylation on S158 by cyclin A-CDK2. Both modifications modulate the interaction of the CSB N-terminal region with its ATPase domain, the activity of which has been previously reported to be autorepressed by the N-terminal region. These results suggest that ATM and CDK2 control the chromatin remodeling activity of CSB in the regulation of DSB repair pathway choice. PMID- 29203881 TI - In vivo tropism of Salmonella Typhi toxin to cells expressing a multiantennal glycan receptor. AB - Typhoid fever is a life-threatening disease, but little is known about the molecular bases for its unique clinical presentation. Typhoid toxin, a unique virulence factor of Salmonella Typhi (the cause of typhoid fever), recapitulates in an animal model many symptoms of typhoid fever. Typhoid toxin binding to its glycan receptor Neu5Ac is central, but, due to the ubiquity of Neu5Ac, how typhoid toxin causes specific symptoms remains elusive. Here we show that typhoid toxin displays in vivo tropism to cells expressing multiantennal glycoprotein receptors, particularly on endothelial cells of arterioles in the brain and immune cells, which is in line with typhoid symptoms. Neu5Ac displayed by multiantennal N-glycans, rather than a single Neu5Ac, appears to serve as the high-affinity receptor, as typhoid toxin possesses five identical binding pockets per toxin. Human counterparts also express the multiantennal Neu5Ac receptor. Here we also show that mice immunized with inactive typhoid toxins and challenged with wild-type typhoid toxin presented neither the characteristic in vivo tropism nor symptoms. These mice were protected against a lethal-dose toxin challenge, but Ty21a-vaccinated mice were not. Cumulatively, these results reveal remarkable features describing how a bacterial exotoxin induces virulence exclusively in specific cells at the organismal level. PMID- 29203882 TI - PASTA repeats of the protein kinase StkP interconnect cell constriction and separation of Streptococcus pneumoniae. AB - Eukaryotic-like serine/threonine kinases (eSTKs) with extracellular PASTA repeats are key membrane regulators of bacterial cell division. How PASTA repeats govern eSTK activation and function remains elusive. Using evolution- and structural guided approaches combined with cell imaging, we disentangle the role of each PASTA repeat of the eSTK StkP from Streptococcus pneumoniae. While the three membrane-proximal PASTA repeats behave as interchangeable modules required for the activation of StkP independently of cell wall binding, they also control the septal cell wall thickness. In contrast, the fourth and membrane-distal PASTA repeat directs StkP localization at the division septum and encompasses a specific motif that is critical for final cell separation through interaction with the cell wall hydrolase LytB. We propose a model in which the extracellular four-PASTA domain of StkP plays a dual function in interconnecting the phosphorylation of StkP endogenous targets along with septal cell wall remodelling to allow cell division of the pneumococcus. PMID- 29203884 TI - A homeostatic apical microtubule network shortens cells for epithelial folding via a basal polarity shift. AB - Epithelial folding is typically driven by localized actomyosin contractility. However, it remains unclear how epithelia deform when myosin levels are low and uniform. In the Drosophila gastrula, dorsal fold formation occurs despite a lack of localized myosin changes, while the fold-initiating cells reduce cell height following basal shifts of polarity via an unknown mechanism. We show that cell shortening depends on an apical microtubule network organized by the CAMSAP protein Patronin. Prior to gastrulation, microtubule forces generated by the minus-end motor dynein scaffold the apical cell cortex into a dome-like shape, while the severing enzyme Katanin facilitates network remodelling to ensure tissue-wide cell size homeostasis. During fold initiation, Patronin redistributes following basal polarity shifts in the initiating cells, apparently weakening the scaffolding forces to allow dome descent. The homeostatic network that ensures size/shape homogeneity is thus repurposed for cell shortening, linking epithelial polarity to folding via a microtubule-based mechanical mechanism. PMID- 29203883 TI - ABIN-1 regulates RIPK1 activation by linking Met1 ubiquitylation with Lys63 deubiquitylation in TNF-RSC. AB - Ubiquitylation of the TNFR1 signalling complex (TNF-RSC) controls the activation of RIPK1, a kinase critically involved in mediating multiple TNFalpha-activated deleterious events. However, the molecular mechanism that coordinates different types of ubiquitylation modification to regulate the activation of RIPK1 kinase remains unclear. Here, we show that ABIN-1/NAF-1, a ubiquitin-binding protein, is recruited rapidly into TNF-RSC in a manner dependent on the Met1-ubiquitylating complex LUBAC to regulate the recruitment of A20 to control Lys63 deubiquitylation of RIPK1. ABIN-1 deficiency reduces the recruitment of A20 and licenses cells to die through necroptosis by promoting Lys63 ubiquitylation and activation of RIPK1 with TNFalpha stimulation under conditions that would otherwise exclusively activate apoptosis in wild-type cells. Inhibition of RIPK1 kinase and RIPK3 deficiency block the embryonic lethality of Abin-1 -/- mice. We propose that ABIN-1 provides a critical link between Met1 ubiquitylation mediated by the LUBAC complex and Lys63 deubiquitylation by phospho-A20 to modulate the activation of RIPK1. PMID- 29203885 TI - Monocyte gene expression in childhood obesity is associated with obesity and complexity of atherosclerosis in adults. AB - Childhood obesity coincides with increased numbers of circulating classical CD14++CD16- and intermediate CD14++CD16+ monocytes. Monocytes are key players in the development and exacerbation of atherosclerosis, which prompts the question as to whether the monocytosis in childhood obesity contributes to atherogenesis over the years. Here, we dissected the monocyte gene expression profile in childhood obesity using an Illumina microarray platform on sorted monocytes of 35 obese children and 16 lean controls. Obese children displayed a distinctive monocyte gene expression profile compared to lean controls. Upon validation with quantitative PCR, we studied the association of the top 5 differentially regulated monocyte genes in childhood obesity with obesity and complexity of coronary atherosclerosis (SYNTAX score) in a cohort of 351 adults at risk for ischemic cardiovascular disease. The downregulation of monocyte IMPDH2 and TMEM134 in childhood obesity was also observed in obese adults. Moreover, downregulation of monocyte TMEM134 was associated with a higher SYNTAX atherosclerosis score in adults. In conclusion, childhood obesity entails monocyte gene expression alterations associated with obesity and enhanced complexity of coronary atherosclerosis in adults. PMID- 29203886 TI - Transcriptomic profiling of the human brain reveals that altered synaptic gene expression is associated with chronological aging. AB - Aging is a biologically universal event, and yet the key events that drive aging are still poorly understood. One approach to generate new hypotheses about aging is to use unbiased methods to look at change across lifespan. Here, we have examined gene expression in the human dorsolateral frontal cortex using RNA- Seq to populate a whole gene co-expression network analysis. We show that modules of co-expressed genes enriched for those encoding synaptic proteins are liable to change with age. We extensively validate these age-dependent changes in gene expression across several datasets including the publically available GTEx resource which demonstrated that gene expression associations with aging vary between brain regions. We also estimated the extent to which changes in cellular composition account for age associations and find that there are independent signals for cellularity and aging. Overall, these results demonstrate that there are robust age-related alterations in gene expression in the human brain and that genes encoding for neuronal synaptic function may be particularly sensitive to the aging process. PMID- 29203887 TI - Age-dependent increase of oxidative stress regulates microRNA-29 family preserving cardiac health. AB - The short-lived turquoise killifish Nothobranchius furzeri (Nfu) is a valid model for aging studies. Here, we investigated its age-associated cardiac function. We observed oxidative stress accumulation and an engagement of microRNAs (miRNAs) in the aging heart. MiRNA-sequencing of 5 week (young), 12-21 week (adult) and 28-40 week (old) Nfu hearts revealed 23 up-regulated and 18 down-regulated miRNAs with age. MiR-29 family turned out as one of the most up-regulated miRNAs during aging. MiR-29 family increase induces a decrease of known targets like collagens and DNA methyl transferases (DNMTs) paralleled by 5'methyl-cytosine (5mC) level decrease. To further investigate miR-29 family role in the fish heart we generated a transgenic zebrafish model where miR-29 was knocked-down. In this model we found significant morphological and functional cardiac alterations and an impairment of oxygen dependent pathways by transcriptome analysis leading to hypoxic marker up-regulation. To get insights the possible hypoxic regulation of miR-29 family, we exposed human cardiac fibroblasts to 1% O2 levels. In hypoxic condition we found miR-29 down-modulation responsible for the accumulation of collagens and 5mC. Overall, our data suggest that miR-29 family up-regulation might represent an endogenous mechanism aimed at ameliorating the age-dependent cardiac damage leading to hypertrophy and fibrosis. PMID- 29203888 TI - Insight into the molecular recognition mechanism of the coactivator NCoA1 by STAT6. AB - Crucial for immune and anti-inflammatory cellular responses, signal transducer and activator of transcription 6 (STAT6) regulates transcriptional activation in response to interleukin-4 and -13 -induced tyrosine phosphorylation by direct interaction with coactivators. The interaction of STAT6 with nuclear coactivator 1 (NCoA1) is mediated by a short region of the STAT6 transactivation domain that includes the motif LXXLL and interacts with the PAS-B domain of NCoA1. Despite the availability of an X-ray structure of the PAS-B domain/ Leu794-Gly814-STAT6 complex, the mechanistic details of this interaction are still poorly understood. Here, we determine the structure of the NCoA1257-385/STAT6783-814 complex using Nuclear Magnetic Resonance (NMR) and X-ray crystallography. The STAT6783-814 peptide binds with additional N-terminal amino acids to NCoA1257-385, compared to the STAT6794-814 peptide, explaining its higher affinity. Secondary and tertiary structures existing in the free peptide are more highly populated in the complex, suggesting binding by conformational selection. PMID- 29203889 TI - Single-molecule imaging reveals dimerization/oligomerization of CXCR4 on plasma membrane closely related to its function. AB - Dimerization and oligomerization of G-protein coupled receptors (GPCRs) have emerged as important characters during their trans-membrane signal transduction. However, until now the relationship between GPCR dimerization and their trans membrane signal transduction function is still uncovered. Here, using pertussis toxin (PTX) to decouple the receptor from G protein complex and with single molecule imaging, we show that in the presence of agonist, cells treated with PTX showed a decrease in the number of dimers and oligomers on the cell surface compared with untreated ones, which suggests that oligomeric status of CXCR4 could be significantly influenced by the decoupling of G protein complex during its signal transduction process. Moreover, with chlorpromazine (CPZ) to inhibit internalization of CXCR4, it was found that after SDF-1alpha stimulation, cells treated with CPZ showed more dimers and oligomers on the cell surface than untreated ones, which suggest that dimers and oligomers of CXCR4 tend to internalize more easily than monomers. Taken together, our results demonstrate that dimerization and oligomerization of CXCR4 is closely related with its G protein mediated pathway and beta-arrestin mediated internalization process, and would play an important role in regulating its signal transduction functions. PMID- 29203890 TI - Increased pollinator service and reduced pollen limitation in the fixed dune populations of a desert shrub. AB - Evaluations of restoration success usually focus on the structural aspects of ecosystems. Pollination, as an important functional aspect, is often overlooked. Here, the shifts in pollinator assemblage and pollen limitation in the desert shrub Caragana microphylla were examined along a restoration gradient in Horqin Sand Land, northern China. We identified seven species of bees; however, only four bee species were found to be effective pollinators, with Xanthosaurus remota dominating in the fixed dunes, and with no bee species or only a single species, X. remota, being observed in the semi-fixed and mobile dunes. Flower visitation rate was nearly ten times higher in the fixed dunes than in the mobile and semi fixed dunes. Experimental floral manipulations revealed that the fixed dune populations experienced less pollen limitation, along with the increase in pollinator availability. Between the mobile and semi-fixed dune populations, pollen limitation was severe and at similar levels. The intensity of pollen limitation was negatively related to pollinator abundance and richness. Overall, the dependence on pollinators for reproduction may be an important constraint that limits persistence in this system. Increased pollinator service during the restoration process may ameliorate pollen limitation, benefiting the restoration of vegetation in this semiarid sandy area. PMID- 29203891 TI - Deep mutational scanning of S. pyogenes Cas9 reveals important functional domains. AB - RNA-guided endonucleases (RGENs) have invigorated the field of site-specific nucleases. The success of Streptococcus pyogenes Cas9 (SpCas9) has led to the discovery of several other CRISPR-associated RGENs. As more RGENs become available, it will be necessary to refine their activity before they can be translated into the clinic. With this in mind, we sought to demonstrate how deep mutational scanning (DMS) could provide details about important functional regions in SpCas9 and speed engineering efforts. Consequently, we developed a nuclease screening platform which could distinguish active Cas9 mutants. We screened a library of 1.9 * 107 with over 8500 possible non-synonymous mutations and inferred the effects of each mutation using DMS. We demonstrate that the RuvC and HNH domains are the least tolerant regions to mutation. In contrast, the Rec2 and PI domains tolerate mutation better than other regions. The mutation information defined in this work provides a foundation for further SpCas9 engineering. Together, our results demonstrate how DMS can be a powerful tool to uncover features important to RGEN function. Application of this approach to emerging RGENs should enhance their engineering and optimization for therapeutic and other applications. PMID- 29203892 TI - Metabolic syndrome and smoking are associated with an increased risk of nocturia in male patients with benign prostatic enlargement. AB - BACKGROUND: To evaluate the relationship between cigarette smoking, metabolic syndrome (MetS) and nocturia in patients with lower urinary tract symptoms (LUTS) and benign prostatic enlargement (BPE). METHODS: From 2009 onward, a consecutive series of patients with LUTS/BPE were enrolled. Symptoms were assessed using the International Prostate Symptom Score (IPSS). Age, body mass index (BMI), smoker status, prostate volume (PV), prostate-specific antigen (PSA) levels, fasting glucose levels, triglyceride levels, and high-density lipoprotein levels were recorded. MetS was defined according to Adult Treatment Panel III criteria. Moderate/severe nocturia was defined as nocturnal micturition episodes >=2. RESULTS: Overall 492 patients were enrolled with median age and BMI of 68 years (IQR 61/74) and 26.5 kg/m2 (IQR: 24/29), respectively. Moderate/severe nocturia was reported in 212 (43.1%) patients. MetS was diagnosed in 147 (29.9%) patients and out of them 89 (60.5%) complained moderate/severe nocturia (p = 0.001). Overall 187 (38%) patients were current smokers and out of them 99 (52%) presented moderate/severe nocturia(p = 0.034). Patients with moderate/severe nocturia were older (p = 0.001) and with larger prostate volume (p = 0.003). On multivariate analysis, age (OR: 1.067 per year, 95% CI: 1.036-1.098; p = 0.001), PV (OR: 1.011 per ml, 95% CI: 1.003-1.019; p = 0.006), MetS (OR: 2.509, 95% CI: 1.571-4.007; p = 0.001) and smoking (OR: 1.690, 95% CI: 1.061-2.693; p = 0.027) were associated with nocturia severity. CONCLUSIONS: MetS and smoking doubled the risk of moderate/severe nocturia in patients with LUTS and BPE. Assessing smoking and metabolic status in LUTS/ BPE patients is suggested. PMID- 29203895 TI - Baseline prostate atrophy is associated with lower tumor volume in men with prostate cancer on repeat biopsy. AB - BACKGROUND: Prostate atrophy (PA) is commonly identified in prostate biopsies. Previous studies suggest PA may be associated with lower PCa risk. However, it remains unclear whether PA is associated with smaller, less aggressive, and less advanced tumors. Thus, we sought to determine whether the presence and severity of baseline PA in men with initial biopsy negative for prostate cancer (PCa) is associated with PCa volume at 2- and 4-year repeat biopsy. METHODS: We performed a retrospective analysis of 927 men 50-75-years-old with negative baseline biopsy and positive 2- or 4-year repeat biopsy for PCa in the Reduction by Dutasteride of PCa Events study. PA (present or absent), PA severity (mild or moderate/marked), and tumor volume were determined by central pathology. The association of baseline PA with repeat biopsy PCa volume was evaluated with linear and Poisson regressions in uni- and multivariable analyses. RESULTS: PA was identified in 559 (60%) baseline biopsies and was mild in 491 (88%) and moderate/marked in 68 (12%). PA was associated with larger prostate volumes (P < 0.001). At 2-year biopsy, PA was associated with lower overall mean total tumor volume (2.21 vs. 2.94 uL; P = 0.016), mean number of biopsy cores involved (1.85 vs. 2.08; P = 0.016), mean percent of cores involved (18.4% vs. 20.7%; P = 0.008), average core involvement (0.23 vs. 0.29 uL; P = 0.019) and overall mean percent tumor involvement (1.82% vs. 2.33%; P = 0.018). Similar results were found in multivariable analysis and analysis of 4-year repeat biopsies. Compared to mild PA, moderate/marked PA was associated with greater reduction in tumor volume. CONCLUSION: Amongst subjects with repeat prostate biopsy positive for PCa after negative baseline biopsy, the presence and severity of baseline PA were associated with lower PCa volume. This suggests PA may be associated with less aggressive PCa. PMID- 29203894 TI - Combining intratumoral Treg depletion with androgen deprivation therapy (ADT): preclinical activity in the Myc-CaP model. AB - BACKGROUND: Immune checkpoint blockade has shown promising antitumor activity against a variety of tumor types. However, responses in castration-resistant prostate cancer remain relatively rare-potentially due to low baseline levels of infiltration. Using an immunocompetent cMyc-driven model (Myc-CaP), we sought to understand the immune infiltrate induced by androgen deprivation therapy (ADT) and to leverage that infiltration toward therapeutic benefit. METHODS: Using flow cytometry, qPCR and IHC, we quantified ADT-induced immune infiltration in terms of cell type and function. Preclinical treatment studies tested the combinatorial effects of ADT and immune checkpoint blockade using tumor outgrowth and overall survival as end points. RESULTS: ADT induces a complex pro-inflammatory infiltrate. This pro-inflammatory infiltrate was apparent in the early postcastration period but diminished as castration resistance emerged. Combining ADT with tumor-infiltrating regulatory T cell (Treg) depletion using a depleting anti-CTLA-4 antibody significantly delayed the development of castration resistance and prolonged survival of a fraction of tumor-bearing mice. Immunotherapy as a monotherapy failed to provide a survival benefit and was ineffective if not administered in the peri-castration period. CONCLUSIONS: The immune infiltrate induced by ADT is diverse and varies over time. Therapeutic strategies focusing on depleting Tregs in the peri-castration period are of particular interest. PMID- 29203893 TI - Phase II prospective randomized trial of weight loss prior to radical prostatectomy. AB - BACKGROUND: Obesity is associated with poorly differentiated and advanced prostate cancer and increased mortality. In preclinical models, caloric restriction delays prostate cancer progression and prolongs survival. We sought to determine if weight loss (WL) in men with prostate cancer prior to radical prostatectomy affects tumor apoptosis and proliferation, and if WL effects other metabolic biomarkers. METHODS: In this Phase II prospective trial, overweight and obese men scheduled for radical prostatectomy were randomized to a 5-8 week WL program consisting of standard structured energy-restricted meal plans (1200-1500 Kcal/day) and physical activity or to a control group. The primary endpoint was apoptotic index in the radical prostatectomy malignant epithelium. Secondary endpoints were proliferation (Ki67) in the radical prostatectomy tissue, body weight, body mass index (BMI), waist to hip ratio, body composition, and serum PSA, insulin, triglyceride, cholesterol, testosterone, estradiol, leptin, adiponectin, interleukin 6, interleukin 8, insulin-like growth factor 1, and IGF binding protein 1. RESULTS: In total 23 patients were randomized to the WL intervention and 21 patients to the control group. Subjects in the intervention group had significantly more weight loss (WL:-3.7 +/- 0.5 kg; Control:-1.6 +/- 0.5 kg; p = 0.007) than the control group and total fat mass was significantly reduced (WL:-2.1 +/- 0.4; Control: 0.1 +/- 0.3; p = 0.015). There was no significant difference in apoptotic or proliferation index between the groups. Among the other biomarkers, triglyceride, and insulin levels were significantly decreased in the WL compared with the control group. CONCLUSIONS: In summary, this short-term WL program prior to radical prostatectomy resulted in significantly more WL in the intervention vs. the control group and was accompanied by significant reductions in body fat mass, circulating triglycerides, and insulin. However, no significant changes were observed in malignant epithelium apoptosis or proliferation. Future studies should consider a longer term or more intensive weight loss intervention. PMID- 29203896 TI - Proteomic analysis of postsynaptic proteins in regions of the human neocortex. AB - The postsynaptic proteome of excitatory synapses comprises ~1,000 highly conserved proteins that control the behavioral repertoire, and mutations disrupting their function cause >130 brain diseases. Here, we document the composition of postsynaptic proteomes in human neocortical regions and integrate it with genetic, functional and structural magnetic resonance imaging, positron emission tomography imaging, and behavioral data. Neocortical regions show signatures of expression of individual proteins, protein complexes, biochemical and metabolic pathways. We characterized the compositional signatures in brain regions involved with language, emotion and memory functions. Integrating large scale GWAS with regional proteome data identifies the same cortical region for smoking behavior as found with fMRI data. The neocortical postsynaptic proteome data resource can be used to link genetics to brain imaging and behavior, and to study the role of postsynaptic proteins in localization of brain functions. PMID- 29203897 TI - Flexible timing by temporal scaling of cortical responses. AB - Musicians can perform at different tempos, speakers can control the cadence of their speech, and children can flexibly vary their temporal expectations of events. To understand the neural basis of such flexibility, we recorded from the medial frontal cortex of nonhuman primates trained to produce different time intervals with different effectors. Neural responses were heterogeneous, nonlinear, and complex, and they exhibited a remarkable form of temporal invariance: firing rate profiles were temporally scaled to match the produced intervals. Recording from downstream neurons in the caudate and from thalamic neurons projecting to the medial frontal cortex indicated that this phenomenon originates within cortical networks. Recurrent neural network models trained to perform the task revealed that temporal scaling emerges from nonlinearities in the network and that the degree of scaling is controlled by the strength of external input. These findings demonstrate a simple and general mechanism for conferring temporal flexibility upon sensorimotor and cognitive functions. PMID- 29203898 TI - An interactive framework for whole-brain maps at cellular resolution. AB - To deconstruct the architecture and function of brain circuits, it is necessary to generate maps of neuronal connectivity and activity on a whole-brain scale. New methods now enable large-scale mapping of the mouse brain at cellular and subcellular resolution. We developed a framework to automatically annotate, analyze, visualize and easily share whole-brain data at cellular resolution, based on a scale-invariant, interactive mouse brain atlas. This framework enables connectivity and mapping projects in individual laboratories and across imaging platforms, as well as multiplexed quantitative information on the molecular identity of single neurons. As a proof of concept, we generated a comparative connectivity map of five major neuron types in the corticostriatal circuit, as well as an activity-based map to identify hubs mediating the behavioral effects of cocaine. Thus, this computational framework provides the necessary tools to generate brain maps that integrate data from connectivity, neuron identity and function. PMID- 29203899 TI - 661W is a retinal ganglion precursor-like cell line in which glaucoma-associated optineurin mutants induce cell death selectively. AB - A photoreceptor cell line, 661W, derived from a mouse retinal tumor that expresses several markers of cone photoreceptor cells has been described earlier. However, these cells can be differentiated into neuronal cells. Here, we report that this cell line expressed certain markers specific to retinal ganglion cells such as Rbpms, Brn3b (Pou4f2), Brn3c (Pou4f3), Thy1 and gamma-synuclein (Sncg), and some other markers of neuronal cells (beta-III tubulin, NeuN and MAP2). These cells also expressed Opn1mw, a cone-specific marker and nestin, a marker for neural precursor cells. Two glaucoma-associated mutants of OPTN, E50K and M98K, but not an amyotrophic lateral sclerosis-associated mutant, E478G, induced cell death selectively in 661W cells. However, in a motor neuron cell line, NSC34, E478G mutant of OPTN but not E50K and M98K induced cell death. We conclude that 661W is a retinal ganglion precursor-like cell line, which shows properties of both retinal ganglion and photoreceptor cells. We suggest that these cells could be utilized for exploring the mechanisms of cell death induction and cytoprotection relevant for glaucoma pathogenesis. RGC-5 cell line which probably arose from 661W cells showed expression of essentially the same markers of retinal ganglion cells and neuronal cells as seen in 661W cells. PMID- 29203901 TI - Seismogenesis of dual subduction beneath Kanto, central Japan controlled by fluid release. AB - Dual subduction represents an unusual case of subduction where one oceanic plate subducts on top of another, creating a highly complex tectonic setting. Because of the complex interaction between the two subducted plates, the origin of seismicity in such region is still not fully understood. Here we investigate the thermal structure of dual subduction beneath Kanto, central Japan formed as a consequence of a unique case of triple trench junction. Using high-resolution three-dimensional thermo-mechanical models tailored for the specific dual subduction settings beneath Kanto, we show that, compared with single-plate subduction systems, subduction of double slabs produces a strong variation of mantle flow, thermal and fluid release pattern that strongly controls the regional seismicity distribution. Here the deepening of seismicity in the Pacific slab located under the Philippine Sea slab is explained by delaying at greater depths (~150 km depth) of the eclogitization front in this region. On the other hand, the shallower seismicity observed in the Philippine Sea slab is related to a young and warm plate subduction and probably to the presence of a hot mantle flow traveling underneath the slab and then moving upward on top of the slab. PMID- 29203900 TI - Intracellular immunization against HIV infection with an intracellular antibody that mimics HIV integrase binding to the cellular LEDGF protein. AB - Preventing the protein-protein interaction of the cellular chromatin binding protein Lens Epithelium-Derived Growth Factor (LEDGF) and human immunodeficiency virus (HIV) integrase is an important possible strategy for anti-viral treatment for AIDS. We have used Intracellular Antibody Capture technology to isolate a single VH antibody domain that binds to LEDGF. The crystal structure of the LEDGF VH complex reveals that the single domain antibody mimics the effect of binding of HIV integrase to LEDGF which is crucial for HIV propagation. CD4-expressing T cell lines were constructed to constitutively express the LEDGF-binding VH and these cells showed interference with HIV viral replication, assayed by virus capsid protein p24 production. Therefore, pre-conditioning cells to express antibody fragments confers effective intracellular immunization for preventing chronic viral replication and can be a way to prevent HIV spread in infected patients. This raises the prospect that intracellular immunization strategies that focus on cellular components of viral integrase protein interactions can be used to combat the problems associated with latent HIV virus re-emergence in patients. New genome editing development, such as using CRISPR/cas9, offer the prospect intracellularly immunized T cells in HIV+ patients. PMID- 29203902 TI - Amniotic fluid stem cell-derived vesicles protect from VEGF-induced endothelial damage. AB - Injection of amniotic fluid stem cells (AFSC) delays the course of progression of renal fibrosis in animals with Alport Syndrome, enhancing kidney function and improving survival. The mechanisms responsible for these protective outcomes are still largely unknown. Here, we showed that vascular endothelial growth factor (VEGF) signaling within the glomeruli of Alport mice is strongly elevated early on in the disease, causing glomerular endothelial cell damage. Intraventricular injected AFSC that homed within the glomeruli showed strong modulation of the VEGF activity, particularly in glomerular endothelial cells. To investigate this phenomenon we hypothesized that extracellular vesicles (EVs) produced by the AFSC could be responsible for the observed renoprotection. AFSC derived EVs presented exosomal and stem cell markers on their surface membrane, including VEGFR1 and VEGFR2. EVs were able to modulate VEGF in glomerular endothelial cells by effectively trapping the excess VEGF through VEGFR1-binding preventing cellular damage. In contrast, VEGFR1/sVEGFR1 knockout EVs failed to show similar protection, thus indicating that VEGF trapping is a potentially viable mechanism for AFSC-EV mediated renoprotection. Taken together, our findings establish that EVs secreted by AFSC could target a specific signaling pathway within the glomerulus, thus representing a new potential glomerulus-specific targeted intervention. PMID- 29203903 TI - Structures of PPARgamma complexed with lobeglitazone and pioglitazone reveal key determinants for the recognition of antidiabetic drugs. AB - Peroxisome proliferator-activator receptor (PPAR) gamma is a nuclear hormone receptor that regulates glucose homeostasis, lipid metabolism, and adipocyte function. PPARgamma is a target for thiazolidinedione (TZD) class of drugs which are widely used for the treatment of type 2 diabetes. Recently, lobeglitazone was developed as a highly effective TZD with reduced side effects by Chong Kun Dang Pharmaceuticals. To identify the structural determinants for the high potency of lobeglitazone as a PPARgamma agonist, we determined the crystal structures of the PPARgamma ligand binding domain (LBD) in complex with lobeglitazone and pioglitazone at 1.7 and 1.8 A resolutions, respectively. Comparison of ligand bound PPARgamma structures revealed that the binding modes of TZDs are well conserved. The TZD head group forms hydrogen bonds with the polar residues in the AF-2 pocket and helix 12, stabilizing the active conformation of the LBD. The unique p-methoxyphenoxy group of lobeglitazone makes additional hydrophobic contacts with the Omega-pocket. Docking analysis using the structures of TZD bound PPARgamma suggested that lobeglitazone displays 12 times higher affinity to PPARgamma compared to rosiglitazone and pioglitazone. This structural difference correlates with the enhanced affinity and the low effective dose of lobeglitazone compared to the other TZDs. PMID- 29203904 TI - Spatial blurring in laser speckle imaging in inhomogeneous turbid media. AB - Laser speckle imaging (LSI) has developed into a versatile tool to image dynamical processes in turbid media, such as subcutaneous blood perfusion and heterogeneous dynamics in soft materials. Spatially resolved information about local dynamics is obtained by measuring time-dependent correlation functions of multiply scattered light. Due to the diffusive nature of photons in highly scattering media, the measured signal is a convolution of the local dynamics in the material and the spatial distribution of photons. This spatial averaging inevitably leads to a loss of resolution, which must be taken into account for a correct interpretation of LSI measurements. In this paper we derive analytical expressions to quantify the effects of spatial blurring in backscatter LSI for materials with heterogeneous dynamics. Using the diffusion approximation, we calculate the photon density distribution for a semi-infinite material, and we predict the effect of dynamic heterogeneity on the measured correlation function. We verify our theoretical expressions using random walk simulations. Our results show that LSI measurements in dynamically heterogeneous materials should be interpreted with caution, especially when only a single wavelength and correlation time are used to obtain the dynamical map. PMID- 29203905 TI - Rainbow trout exposed to benzo[a]pyrene yields conserved microRNA binding sites in DNA methyltransferases across 500 million years of evolution. AB - The objective of this study was to examine the regulation of DNA methylation following acute (24 h) and prolonged (14 d) exposure to low (1 ng/L) and high (10 ng/L) benzo[a]pyrene. However, with the recent release of the rainbow trout genome, we were able to conduct a more detailed analysis regarding the regulation of the enzymes involved in DNA methylation; DNA methyltransferases (DNMTs). Bioinformatic approaches were used to identify candidate microRNA (miRNA) that potentially bind to the DNMT1 and DNMT3a 3'UTR. Results indicated a significant decrease in global methylation in both liver and muscle, with an associated decrease in DNA methyltransferase activity and DNMT3a transcript abundance. There was a significant increase in one specific candidate miRNA (miR29a) that was predicted to bind to DNMT3a. Taking a comparative genomics approach, the binding sites of miR29a to the DNMT3a 3'UTR was compared across species, spanning fish to mammals, and revealed a highly conserved binding motif that has been maintained since the vertebrate ancestor, approximately 500 million years ago. This research establishes that miRNA act as an essential mediator between the environment and DNA methylation patterns via DNMTs, which is further confirmed by a genomic regulatory mechanism that has been deeply conserved throughout evolution. PMID- 29203906 TI - Hydrothermal treatment and butylphosphonic acid derived self-assembled monolayers for improving the surface chemistry and corrosion resistance of AZ61 magnesium alloy. AB - The hydrothermal treatment followed by a self-assembled monolayer (SAM) of 1 butylphosphonic acid through the tethering by aggregation and growth (T-BAG) method was employed to produce protective surface coatings on the Mg-6Al-1Zn alloy (AZ61) for reducing the degradation rate in physiological environments. Potentiodynamic polarization measurements revealed that the organic self assembled monolayer and Mg(OH)2 coating can further enhance the surface chemical stability and corrosion resistance of Mg alloys. SAM-treated Mg(OH)2 coatings can be served as a more passive surface layer as a result of their much higher charge transfer resistance and the presence of Warburg impedance in electrochemical impedance spectroscopy measurement. PMID- 29203907 TI - The sensitivity and stability of bacterioplankton community structure to wind wave turbulence in a large, shallow, eutrophic lake. AB - Lakes are strongly influenced by wind-driven wave turbulence. The direct physical effects of turbulence on bacterioplankton community structure however, have not yet been addressed and remains poorly understood. To examine the stability of bacterioplankton communities under turbulent conditions, we simulated conditions in the field to evaluate the responses of the bacterioplankton community to physical forcing in Lake Taihu, using high-throughput sequencing and flow cytometry. A total of 4,520,231 high quality sequence reads and 74,842 OTUs were obtained in all samples with alpha-proteobacteria, gamma-proteobacteria and Actinobacteria being the most dominant taxa. The diversity and structure of bacterioplankton communities varied during the experiment, but were highly similar based on the same time of sampling, suggesting that bacterioplankton communities are insensitive to wind wave turbulence in the lake. This stability could be associated with the traits associated with bacteria. In particular, turbulence favored the growth of bacterioplankton, which enhanced biogeochemical cycling of nutrients in the lake. This study provides a better understanding of bacterioplankton communities in lake ecosystems exposed to natural mixing/disturbances. PMID- 29203908 TI - Relationship between body mass and ambulatory blood pressure: comparison with office blood pressure measurement and effect of treatment. AB - Epidemiologic studies assessing the relationship between blood pressure (BP), body mass, and cardiovascular events have primarily been based on office BP measurements, and few data are available in the elderly. The aim of the present study was to evaluate the relationship between body mass index (BMI) and BP values obtained by ambulatory blood pressure monitoring (ABPM) as compared to office BP measurements, and the effect of anti-hypertensive treatment on the relationship. The study population consisted of 813 subjects participating in the cardiovascular abnormalities and brain lesions (CABL) study who underwent 24-h ABPM. Office BP (mean of two measurements) was found to be associated with increasing BMI, for both SBP (p <= 0.05) and DBP (p <= 0.001). In contrast, there was no association seen of increasing BMI with ABPM parameters in the overall cohort, even after adjusting for age and gender. However, among subjects not on anti-hypertensive treatment, office SBP and DBP measurements were significantly correlated with increasing BMI (p <= 0.01) as were daytime SBP and 24-h SBP, although with a smaller spread across BMI subgroups compared with office readings. In treated hypertensives, there was only a trend toward increasing office DBP and increasing DBP variability with higher BMI. Our results suggest that body mass may have a less significant influence on BP values in the elderly when ABPM rather than office measurements are considered, particularly in patients receiving anti-hypertensive treatment. PMID- 29203909 TI - Dynamic epigenomic landscapes during early lineage specification in mouse embryos. AB - In mammals, all somatic development originates from lineage segregation in early embryos. However, the dynamics of transcriptomes and epigenomes acting in concert with initial cell fate commitment remains poorly characterized. Here we report a comprehensive investigation of transcriptomes and base-resolution methylomes for early lineages in peri- and postimplantation mouse embryos. We found allele specific and lineage-specific de novo methylation at CG and CH sites that led to differential methylation between embryonic and extraembryonic lineages at promoters of lineage regulators, gene bodies, and DNA-methylation valleys. By using Hi-C experiments to define chromatin architecture across the same developmental period, we demonstrated that both global demethylation and remethylation in early development correlate with chromatin compartments. Dynamic local methylation was evident during gastrulation, which enabled the identification of putative regulatory elements. Finally, we found that de novo methylation patterning does not strictly require implantation. These data reveal dynamic transcriptomes, DNA methylomes, and 3D chromatin landscapes during the earliest stages of mammalian lineage specification. PMID- 29203911 TI - A synthetic lethal bullet. PMID- 29203910 TI - TET proteins safeguard bivalent promoters from de novo methylation in human embryonic stem cells. AB - TET enzymes oxidize 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC), which can lead to DNA demethylation. However, direct connections between TET mediated DNA demethylation and transcriptional output are difficult to establish owing to challenges in distinguishing global versus locus-specific effects. Here we show that TET1, TET2 and TET3 triple-knockout (TKO) human embryonic stem cells (hESCs) exhibit prominent bivalent promoter hypermethylation without an overall corresponding decrease in gene expression in the undifferentiated state. Focusing on the bivalent PAX6 locus, we find that increased DNMT3B binding is associated with promoter hypermethylation, which precipitates a neural differentiation defect and failure of PAX6 induction during differentiation. dCas9-mediated locus specific demethylation and global inactivation of DNMT3B in TKO hESCs partially reverses the hypermethylation at the PAX6 promoter and improves differentiation to neuroectoderm. Taking these findings together with further genome-wide methylation and TET1 and DNMT3B ChIP-seq analyses, we conclude that TET proteins safeguard bivalent promoters from de novo methylation to ensure robust lineage specific transcription upon differentiation. PMID- 29203912 TI - Bacterial resistance to silver nanoparticles and how to overcome it. AB - Silver nanoparticles have already been successfully applied in various biomedical and antimicrobial technologies and products used in everyday life. Although bacterial resistance to antibiotics has been extensively discussed in the literature, the possible development of resistance to silver nanoparticles has not been fully explored. We report that the Gram-negative bacteria Escherichia coli 013, Pseudomonas aeruginosa CCM 3955 and E. coli CCM 3954 can develop resistance to silver nanoparticles after repeated exposure. The resistance stems from the production of the adhesive flagellum protein flagellin, which triggers the aggregation of the nanoparticles. This resistance evolves without any genetic changes; only phenotypic change is needed to reduce the nanoparticles' colloidal stability and thus eliminate their antibacterial activity. The resistance mechanism cannot be overcome by additional stabilization of silver nanoparticles using surfactants or polymers. It is, however, strongly suppressed by inhibiting flagellin production with pomegranate rind extract. PMID- 29203913 TI - Humidity-controlled rectification switching in ruthenium-complex molecular junctions. AB - Although molecular rectifiers were proposed over four decades ago 1,2 , until recently reported rectification ratios (RR) were rather moderate 2-11 (RR ~ 101). This ceiling was convincingly broken using a eutectic GaIn top contact 12 to probe molecular monolayers of coupled ferrocene groups (RR ~ 105), as well as using scanning tunnelling microscopy-break junctions 13-16 and mechanically controlled break junctions 17 to probe single molecules (RR ~ 102-103). Here, we demonstrate a device based on a molecular monolayer in which the RR can be switched by more than three orders of magnitude (between RR ~ 100 and RR >= 103) in response to humidity. As the relative humidity is toggled between 5% and 60%, the current-voltage (I-V) characteristics of a monolayer of di-nuclear Ru-complex molecules reversibly change from symmetric to strongly asymmetric (diode-like). Key to this behaviour is the presence of two localized molecular orbitals in series, which are nearly degenerate in dry circumstances but become misaligned under high humidity conditions, due to the displacement of counter ions (PF6-). This asymmetric gating of the two relevant localized molecular orbital levels results in humidity-controlled diode-like behaviour. PMID- 29203915 TI - Thermoelectric spin voltage in graphene. AB - In recent years, new spin-dependent thermal effects have been discovered in ferromagnets, stimulating a growing interest in spin caloritronics, a field that exploits the interaction between spin and heat currents 1,2 . Amongst the most intriguing phenomena is the spin Seebeck effect 3-5 , in which a thermal gradient gives rise to spin currents that are detected through the inverse spin Hall effect 6-8 . Non-magnetic materials such as graphene are also relevant for spin caloritronics, thanks to efficient spin transport 9-11 , energy-dependent carrier mobility and unique density of states 12,13 . Here, we propose and demonstrate that a carrier thermal gradient in a graphene lateral spin valve can lead to a large increase of the spin voltage near to the graphene charge neutrality point. Such an increase results from a thermoelectric spin voltage, which is analogous to the voltage in a thermocouple and that can be enhanced by the presence of hot carriers generated by an applied current 14-17 . These results could prove crucial to drive graphene spintronic devices and, in particular, to sustain pure spin signals with thermal gradients and to tune the remote spin accumulation by varying the spin-injection bias. PMID- 29203914 TI - Synthetically lethal nanoparticles for treatment of endometrial cancer. AB - Uterine serous carcinoma, one of the most aggressive types of endometrial cancer, is characterized by poor outcomes and mutations in the tumour suppressor p53. Our objective was to engender synthetic lethality to paclitaxel (PTX), the frontline treatment for endometrial cancer, in tumours with mutant p53 and enhance the therapeutic efficacy using polymeric nanoparticles (NPs). First, we identified the optimal NP formulation through comprehensive analyses of release profiles and cellular-uptake and cell viability studies. Not only were PTX-loaded NPs superior to PTX in solution, but the combination of PTX-loaded NPs with the antiangiogenic molecular inhibitor BIBF 1120 (BIBF) promoted synthetic lethality specifically in cells with the loss-of-function (LOF) p53 mutation. In a xenograft model of endometrial cancer, this combinatorial therapy resulted in a marked inhibition of tumour progression and extended survival. Together, our data provide compelling evidence for future studies of BIBF- and PTX-loaded NPs as a therapeutic opportunity for LOF p53 cancers. PMID- 29203916 TI - A model for 'sustainable' US beef production. AB - Food production dominates land, water and fertilizer use and is a greenhouse gas source. In the United States, beef production is the main agricultural resource user overall, as well as per kcal or g of protein. Here, we offer a possible, non unique, definition of 'sustainable' beef as that subsisting exclusively on grass and by-products, and quantify its expected US production as a function of pastureland use. Assuming today's pastureland characteristics, all of the pastureland that US beef currently use can sustainably deliver ~45% of current production. Rewilding this pastureland's less productive half (~135 million ha) can still deliver ~43% of current beef production. In all considered scenarios, the ~32 million ha of high-quality cropland that beef currently use are reallocated for plant-based food production. These plant items deliver 2- to 20 fold more calories and protein than the replaced beef and increase the delivery of protective nutrients, but deliver no B12. Increased deployment of rapid rotational grazing or grassland multi-purposing may increase beef production capacity. PMID- 29203917 TI - Foraging constraints reverse the scaling of activity time in carnivores. AB - The proportion of time an animal spends actively foraging in a day determines its long-term fitness. Here, we derive a general mathematical model for the scaling of this activity time with body size in consumers. We show that this scaling can change from positive (increasing with size) to negative (decreasing with size) if the detectability and availability of preferred prey sizes is a limiting factor. These predictions are supported by a global dataset on 73 terrestrial carnivore species from 8 families spanning >3 orders of magnitude in size. Carnivores weighing ~5 kg experience high foraging costs because their diets include significant proportions of relatively small (invertebrate) prey. As a result, they show an increase in activity time with size. This shifts to a negative scaling in larger carnivores as they shift to foraging on less costly vertebrate prey. Our model can be generalized to other classes of terrestrial and aquatic consumers and offers a general framework for mechanistically linking body size to population fitness and vulnerability in consumers. PMID- 29203918 TI - The beef with sustainability. PMID- 29203919 TI - Climatic niche shifts are common in introduced plants. AB - Our understanding of how climate influences species distributions and our ability to assess the risk of introduced species depend on the assumption that species' climatic niches remain stable across space and time. While niche shifts have been detected in individual invasive species, one assessment of ~50 plants in Europe and North America concluded that niche shifts were rare, while another concluded the opposite. These contradictory findings, limited in species number and geographic scope, leave open a need to understand how often introduced species experience niche shifts and whether niche shifts can be predicted. We found evidence of climatic niche shifts in 65-100% of 815 terrestrial plant species introduced across five continents, depending on how niche shifts were measured. Individual species responses were idiosyncratic, but we generally saw that niche shifts reflected changes in climate availability at the continent scale and were largest in long-lived and cultivated species. Smaller intercontinental niche shifts occurred within species' native ranges. Overall, the climatic niches of terrestrial plant species were not conserved as they crossed continents. These results have major consequences for applying environmental niche models to assess the risk of invasive species and for predicting species responses to climate change. Our findings challenge the tenet that species' niches are conserved aspects of their ecology. PMID- 29203921 TI - The ecological importance of intraspecific variation. AB - Human activity is causing wild populations to experience rapid trait change and local extirpation. The resulting effects on intraspecific variation could have substantial consequences for ecological processes and ecosystem services. Although researchers have long acknowledged that variation among species influences the surrounding environment, only recently has evidence accumulated for the ecological importance of variation within species. We conducted a meta analysis comparing the ecological effects of variation within a species (intraspecific effects) with the effects of replacement or removal of that species (species effects). We evaluated direct and indirect ecological responses, including changes in abundance (or biomass), rates of ecological processes and changes in community composition. Our results show that intraspecific effects are often comparable to, and sometimes stronger than, species effects. Species effects tend to be larger for direct ecological responses (for example, through consumption), whereas intraspecific effects and species effects tend to be similar for indirect responses (for example, through trophic cascades). Intraspecific effects are especially strong when indirect interactions alter community composition. Our results summarize data from the first generation of studies examining the relative ecological effects of intraspecific variation. Our conclusions can help inform the design of future experiments and the formulation of strategies to quantify and conserve biodiversity. PMID- 29203920 TI - Pan-arthropod analysis reveals somatic piRNAs as an ancestral defence against transposable elements. AB - In animals, small RNA molecules termed PIWI-interacting RNAs (piRNAs) silence transposable elements (TEs), protecting the germline from genomic instability and mutation. piRNAs have been detected in the soma in a few animals, but these are believed to be specific adaptations of individual species. Here, we report that somatic piRNAs were probably present in the ancestral arthropod more than 500 million years ago. Analysis of 20 species across the arthropod phylum suggests that somatic piRNAs targeting TEs and messenger RNAs are common among arthropods. The presence of an RNA-dependent RNA polymerase in chelicerates (horseshoe crabs, spiders and scorpions) suggests that arthropods originally used a plant-like RNA interference mechanism to silence TEs. Our results call into question the view that the ancestral role of the piRNA pathway was to protect the germline and demonstrate that small RNA silencing pathways have been repurposed for both somatic and germline functions throughout arthropod evolution. PMID- 29203923 TI - Social polymorphism is favoured by the co-evolution of dispersal with social behaviour. AB - Dispersal determines gene flow among groups in a population and so plays a major role in many ecological and evolutionary processes. As gene flow shapes kin structure, dispersal is important to the evolution of social behaviours that influence reproduction within groups. Conversely, dispersal depends on kin structure and social behaviour. Dispersal and social behaviour therefore co evolve, but the nature and consequences of this interplay are not well understood. Here, we show that it readily leads to the emergence of two social morphs: a sessile, benevolent morph expressed by individuals who tend to increase the reproduction of others within their group relative to their own; and a dispersive, self-serving morph expressed by individuals who tend to increase their own reproduction. This social polymorphism arises due to a positive linkage between the loci responsible for dispersal and social behaviour, leading to benevolent individuals preferentially interacting with relatives and self-serving individuals with non-relatives. We find that this linkage is favoured under a large spectrum of conditions, suggesting that associations between dispersal and other social traits should be common in nature. In line with this prediction, dispersers across a wide range of organisms have been reported to differ in their social tendencies from non-dispersers. PMID- 29203922 TI - Local loss and spatial homogenization of plant diversity reduce ecosystem multifunctionality. AB - Biodiversity is declining in many local communities while also becoming increasingly homogenized across space. Experiments show that local plant species loss reduces ecosystem functioning and services, but the role of spatial homogenization of community composition and the potential interaction between diversity at different scales in maintaining ecosystem functioning remains unclear, especially when many functions are considered (ecosystem multifunctionality). We present an analysis of eight ecosystem functions measured in 65 grasslands worldwide. We find that more diverse grasslands-those with both species-rich local communities (alpha-diversity) and large compositional differences among localities (beta-diversity)-had higher levels of multifunctionality. Moreover, alpha- and beta-diversity synergistically affected multifunctionality, with higher levels of diversity at one scale amplifying the contribution to ecological functions at the other scale. The identity of species influencing ecosystem functioning differed among functions and across local communities, explaining why more diverse grasslands maintained greater functionality when more functions and localities were considered. These results were robust to variation in environmental drivers. Our findings reveal that plant diversity, at both local and landscape scales, contributes to the maintenance of multiple ecosystem services provided by grasslands. Preserving ecosystem functioning therefore requires conservation of biodiversity both within and among ecological communities. PMID- 29203924 TI - Nemertean and phoronid genomes reveal lophotrochozoan evolution and the origin of bilaterian heads. AB - Nemerteans (ribbon worms) and phoronids (horseshoe worms) are closely related lophotrochozoans-a group of animals including leeches, snails and other invertebrates. Lophotrochozoans represent a superphylum that is crucial to our understanding of bilaterian evolution. However, given the inconsistency of molecular and morphological data for these groups, their origins have been unclear. Here, we present draft genomes of the nemertean Notospermus geniculatus and the phoronid Phoronis australis, together with transcriptomes along the adult bodies. Our genome-based phylogenetic analyses place Nemertea sister to the group containing Phoronida and Brachiopoda. We show that lophotrochozoans share many gene families with deuterostomes, suggesting that these two groups retain a core bilaterian gene repertoire that ecdysozoans (for example, flies and nematodes) and platyzoans (for example, flatworms and rotifers) do not. Comparative transcriptomics demonstrates that lophophores of phoronids and brachiopods are similar not only morphologically, but also at the molecular level. Despite dissimilar head structures, lophophores express vertebrate head and neuronal marker genes. This finding suggests a common origin of bilaterian head patterning, although different heads evolved independently in each lineage. Furthermore, we observe lineage-specific expansions of innate immunity and toxin related genes. Together, our study reveals a dual nature of lophotrochozoans, where conserved and lineage-specific features shape their evolution. PMID- 29203925 TI - Publisher Correction: Ecological and evolutionary approaches to managing honeybee disease. AB - In the HTML version of this Review originally published, a technical error led to the images in Box 2 being swapped over. This was corrected on 28 August 2017. PMID- 29203927 TI - Author Correction: Generation of convergent light beams by using surface plasmon locked Smith-Purcell radiation. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has not been fixed in the paper. PMID- 29203926 TI - Pandemic H1N1 influenza A viruses suppress immunogenic RIPK3-driven dendritic cell death. AB - The risk of emerging pandemic influenza A viruses (IAVs) that approach the devastating 1918 strain motivates finding strain-specific host-pathogen mechanisms. During infection, dendritic cells (DC) mature into antigen-presenting cells that activate T cells, linking innate to adaptive immunity. DC infection with seasonal IAVs, but not with the 1918 and 2009 pandemic strains, induces global RNA degradation. Here, we show that DC infection with seasonal IAV causes immunogenic RIPK3-mediated cell death. Pandemic IAV suppresses this immunogenic DC cell death. Only DC infected with seasonal IAV, but not with pandemic IAV, enhance maturation of uninfected DC and T cell proliferation. In vivo, circulating T cell levels are reduced after pandemic, but not seasonal, IAV infection. Using recombinant viruses, we identify the HA genomic segment as the mediator of cell death inhibition. These results show how pandemic influenza viruses subvert the immune response. PMID- 29203928 TI - Author Correction: Differential electron emission from polycyclic aromatic hydrocarbon molecules under fast ion impact. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper. PMID- 29203929 TI - Foraging and recruitment hotspot dynamics for the largest Atlantic loggerhead turtle rookery. AB - Determining patterns of migratory connectivity for highly-mobile, wide-ranging species, such as sea turtles, is challenging. Here, we combined satellite telemetry and stable isotope analysis to estimate foraging locations for 749 individual loggerheads nesting along the east central Florida (USA) coast, the largest rookery for the Northwest Atlantic population. We aggregated individual results by year, identified seven foraging hotspots and tracked these summaries to describe the dynamics of inter-annual contributions of these geographic areas to this rookery over a nine-year period. Using reproductive information for a subset of turtles (n = 513), we estimated hatchling yields associated with each hotspots. We found considerable inter-annual variability in the relative contribution of foraging areas to the nesting adults. Also reproductive success differed among foraging hotspots; females using southern foraging areas laid nests that produced more offspring in all but one year of the study. These analyses identified two high priority areas for future research and conservation efforts: the continental shelf adjacent to east central Florida and the Great Bahama Bank, which support higher numbers of foraging females that provide higher rates of hatchling production. The implementation of the continuous-surface approach to determine geographic origins of unknown migrants is applicable to other migratory species. PMID- 29203930 TI - Downregulation of liver-intestine cadherin enhances cisplatin-induced apoptosis in human gastric cancer BGC823 cells. AB - Gastric cancer is the fourth most common type of cancer. Liver-intestine cadherin (CDH17) has been found to be involved in the proliferation and apoptosis of gastric cancer cells. Cisplatin is one of the most widely used antineoplastic agents in the treatment of solid tumor and hematological malignancies. However, the mechanism of enhancing cisplatin-inducing effects on human gastric cancer BGC823 cells by blocking CDH17 gene, both in vitro and in vivo, remains to be clarified. In this study, we investigated the signaling pathway by which cisplatin induces apoptosis by blocking CDH17 gene in gastric cancer BGC823 cells. Our results indicate that down-expression of CDH17 gene can enhance apoptosis-inducing effects of cisplatin on human gastric cancer BGC823 cells. The expression levels of Bax and Cyt-c proteins were upregulated, but the expression levels of Bcl-2 and Bcl-xL proteins were downregulated by blocking CDH17 gene in gastric cancer BGC823 cells after treatment with cisplatin. Moreover, down expression of CDH17 enhanced the efficacy of cisplatin-induced inhibition of tumor growth in nude mice via apoptosis induction. Down-expression of CDH17 gene can significantly improve apoptosis-inducing effects of cisplatin in vitro and in vivo, which is a new strategy to improve chemotherapeutic effects on gastric cancer. PMID- 29203931 TI - Focusing light through scattering media by polarization modulation based generalized digital optical phase conjugation. AB - Optical scattering prevents light from being focused through thick biological tissue at depths greater than ~1 mm. To break this optical diffusion limit, digital optical phase conjugation (DOPC) based wavefront shaping techniques are being actively developed. Previous DOPC systems employed spatial light modulators that modulated either the phase or the amplitude of the conjugate light field. Here, we achieve optical focusing through scattering media by using polarization modulation based generalized DOPC. First, we describe an algorithm to extract the polarization map from the measured scattered field. Then, we validate the algorithm through numerical simulations and find that the focusing contrast achieved by polarization modulation is similar to that achieved by phase modulation. Finally, we build a system using an inexpensive twisted nematic liquid crystal based spatial light modulator (SLM) and experimentally demonstrate light focusing through 3-mm thick chicken breast tissue. Since the polarization modulation based SLMs are widely used in displays and are having more and more pixel counts with the prevalence of 4 K displays, these SLMs are inexpensive and valuable devices for wavefront shaping. PMID- 29203934 TI - Veterinary Medical Ethics. PMID- 29203933 TI - One health and a new Canadian vet school? PMID- 29203935 TI - Viral enteritis in calves. AB - A complex community of bacteria, viruses, fungi, protists, and other microorganisms inhabit the gastrointestinal tract of calves and play important roles in gut health and disease. The viral component of the microbiome (the virome) is receiving increasing attention for its role in neonatal calf diarrhea (NCD). Rotavirus and coronavirus have for a long time been associated with NCD and commercial vaccines have been produced against these agents. Recently, several other viruses which may play a role in diarrhea have been discovered in calf fecal samples, mostly by sequence-based methods. These viruses include torovirus, norovirus, nebovirus, astrovirus, kobuvirus, and enterovirus. Most studies have involved epidemiologic investigations seeking to show association with diarrhea for each virus alone or in combination with potential pathogens. However, determining the contribution of these viruses to calf diarrhea has been challenging and much uncertainty remains concerning their roles as primary pathogens, co-infection agents, or commensals. PMID- 29203936 TI - Incidence of gastric dilatation-volvulus following a splenectomy in 238 dogs. AB - There is contradicting information in the veterinary literature regarding canine splenectomy and the increased risk for subsequent gastric dilatation-volvulus. The main purpose of this study was to determine the rate of occurrence of gastric dilatation-volvulus following splenectomy in medium to large breed dogs compared with a control group undergoing other abdominal procedures. Follow-up was performed by reviewing the medical records and conducting phone interviews. Weight, gender, and presence of a hemoabdomen at the time of surgery were not significantly associated with occurrence of gastric dilatation-volvulus, while increasing age was. Ten of 238 (4%) dogs in the splenectomy group and 3/209 (1.4%) dogs in the control group subsequently developed gastric dilatation volvulus, which was not significantly different (P = 0.08). While the findings approach significance and support a need for future investigation, the current recommendation for gastropexy at time of splenic removal should be made on a case by case basis and while considering previously documented risk factors. PMID- 29203937 TI - Comparison of surgical time and complication rate of subcutaneous and skin closure using barbed suture or traditional knotted suture in dogs. AB - This prospective study evaluated the handling, intraoperative and postoperative complication rates of a barbed knotless suture for closure of subcutaneous tissue and skin in 17 client-owned dogs (group A) following a tibial plateau leveling osteotomy procedure. Clinical characteristics, surgical time, and complication rates were compared to a control group of 17 client-owned dogs (group B) with subcutaneous tissue and skin closure using traditional suture material. Signalment was not significantly different between groups and did not have an effect on complication rates. Surgical times were not significantly different for subcutaneous tissue or skin closure between the 2 groups. There were significantly more intraoperative complications in the barbed suture group (A: 4/17; B: 0/17; P = 0.033) but no difference in minor or major postoperative complication rates (minor A: 2/16; B: 1/14; P = 0.626, major A: 2/16; B: 0/14; P = 0.171). PMID- 29203938 TI - Short-term effects of dietary supplementation with amino acids in dogs with proteinuric chronic kidney disease. AB - This retrospective study investigated the impact of amino acid supplementation on body weight, serum albumin, creatinine and urea concentrations, and urine protein to-creatinine (UPC) ratio in proteinuric dogs with chronic kidney disease (CKD). Forty-six client-owned azotemic dogs with spontaneous proteinuric CKD already on a renal diet and in therapy with enalapril were included. After approximately 1 month of treatment (baseline), 29 dogs received oral amino acid supplementation daily (group A) and 17 dogs did not (group B). The parameters under investigation were determined at baseline and after 4 to 8 weeks in both groups. Compared to baseline, body weight and serum albumin increased (P < 0.01, P < 0.05, respectively) at follow-up in group A, but did not change in group B. Serum creatinine concentration did not change in both groups; urea concentration (P < 0.05) and UPC ratio (P < 0.01) decreased in group B, but not in group A. Supplementation with amino acids increased body weight and serum albumin concentration in these dogs but it might have prevented a decrease in proteinuria and urea concentration. PMID- 29203939 TI - A retrospective study of owner-requested testing as surveillance for equine infectious anemia in Canada (2009-2012). AB - This retrospective study was undertaken to estimate i) the surveillance coverage for equine infectious anemia (EIA) based on owner-requested testing, and ii) the incidence of case detection from this surveillance activity to inform a review of Canada's national disease control strategy. Based on sample submissions by accredited veterinarians to laboratories CFIA-approved for EIA testing between 2009 and 2012, the estimated national surveillance coverage was 14% for all years, and 72 cases of EIA were detected. The annual national incidence of EIA detection ranged from 0.03 to 0.08 cases/1000 horses. On average, a greater proportion of the horse population was tested in eastern Canada (32%) than in western Canada (6%, P < 0.0001). The cumulative incidence of EIA detection was higher in western Canada (0.25 cases/1000 horses) than in eastern Canada (0.02 cases/1000 horses, P < 0.0001). This study identified regional differences in owner-requested EIA testing and case detection resulting from this testing activity. PMID- 29203940 TI - Effects of probiotic VSL#3 on glomerular filtration rate in dogs affected by chronic kidney disease: A pilot study. AB - The aim of this study was to evaluate the effects of probiotic VSL#3 on glomerular filtration rate (GFR) in dogs affected by chronic kidney disease (CKD). The treatment group (n = 30) received prescription renal diet and probiotic VSL#3 (112 to 225 * 109 lyophilized bacteria per 10 kg body weight, PO, q24h for 2 months); the control group (n = 30) received prescription renal diet and standard therapy. All dogs underwent GFR measurement at the beginning of the study (T0) and were re-evaluated by GFR measurement after 2 months (T1). The GFR was significantly higher (P = 0.0001) in the treatment group compared to the control group at T1. In the treatment group, the GFR was significantly higher (P = 0.0008) at T1 compared to T0. In the control group, the GFR was significantly lower (P = 0.001) at T1 compared to T0. VSL#3 supplementation seemed to be efficient in reducing deterioration of GFR over time in dogs affected by CKD. PMID- 29203941 TI - Atypical hypocalcemia in 2 dairy cows, after having been fed discarded vegetable cooking oil. AB - Two mid-lactation dairy cows were presented sternally recumbent 4 days after the herd had been fed discarded vegetable cooking oil ad libitum. In both affected animals hypocalcemia was confirmed by clinical chemistry and response to treatment. This atypical presentation of hypocalcemia associated with feeding discarded cooking oil is previously unreported. PMID- 29203942 TI - Inguinal herniation of a mineralized paraprostatic cyst in a dog. AB - A firm mass was noted in the right inguinal subcutaneous region of an 11-year-old intact male Labrador retriever dog presented for right pelvic limb weakness. Pelvic radiographs showed 2 large ovoid structures with circumferential thin eggshell-like mineralization in the right external inguinal region. The structures were confirmed sonographically, and on magnetic resonance imaging as a large folded herniated mineralized paraprostatic cyst through a defect in the right inguinal wall. To the author's knowledge, this is the first published report of an inguinal herniated mineralized paraprostatic cyst. PMID- 29203944 TI - One Health and the expansion of veterinary education and practice in Canada. PMID- 29203943 TI - Severe upper airway obstruction following bilateral ventral bulla osteotomy in a cat. AB - A cat that underwent bilateral ventral bulla osteotomy (VBO) for treatment of otitis media and otitis interna secondary to bilateral inflammatory polyps, developed upper airway obstruction (UAO) soon after tracheal extubation. The cat was re-intubated but the UAO did not resolve at the next extubation. Eventually, tracheostomy was performed. Upper airway obstruction is a potential postoperative complication of bilateral VBO in cats. PMID- 29203945 TI - Is there an application for wireless capsule endoscopy in horses? AB - This pilot study assessed wireless capsule endoscopy in horses. Image transmission was achieved with good image quality. Time to exit the stomach was variable and identified as one limitation, together with gaps in image transmission, capsule tumbling, and inability to accurately locate the capsule. Findings demonstrate usefulness and current limitations. PMID- 29203946 TI - Unusual case of pyometra in a bichon frise dog. AB - An intact female bichon frise dog with anorexia and chronic vaginal discharge, was clinically diagnosed with an open pyometra upon workup and ovariohysterectomy. Two cystic structures were identified protruding from the uterine body and the wall appeared thickened. Histopathology revealed pyometra, cystic endometria hyperplasia, and adenomyosis with squamous metaplasia. PMID- 29203947 TI - Human-animal emotional contagion and client communication. PMID- 29203948 TI - Optimal detection of weak positive latent dependence between two sequences of multiple tests. AB - It is frequently of interest to jointly analyze two paired sequences of multiple tests. This paper studies the problem of detecting whether there are more pairs of tests that are significant in both sequences than would be expected by chance. The asymptotic detection boundary is derived in terms of parameters such as the sparsity of non-null cases in each sequence, the effect sizes of the signals, and the magnitude of the dependence between the two sequences. A new test for detecting weak dependence is also proposed, shown to be asymptotically adaptively optimal, studied in simulations, and applied to study genetic pleiotropy in 10 pediatric autoimmune diseases. PMID- 29203949 TI - Simultaneous Wireless Power Transfer and Data Communication Using Synchronous Pulse-Controlled Load Modulation. AB - Wireless Power Transfer (WPT) and wireless data communication are both important problems of research with various applications, especially in medicine. However, these two problems are usually studied separately. In this work, we present a joint study of both problems. Most medical electronic devices, such as smart implants, must have both a power supply to allow continuous operation and a communication link to pass information. Traditionally, separate wireless channels for power transfer and communication are utilized, which complicate the system structure, increase power consumption and make device miniaturization difficult. A more effective approach is to use a single wireless link with both functions of delivering power and passing information. We present a design of such a wireless link in which power and data travel in opposite directions. In order to aggressively miniaturize the implant and reduce power consumption, we eliminate the traditional multi-bit Analog-to-Digital Converter (ADC), digital memory and data transmission circuits all together. Instead, we use a pulse stream, which is obtained from the original biological signal, by a sigma-delta converter and an edge detector, to alter the load properties of the WPT channel. The resulting WPT signal is synchronized with the load changes therefore requiring no memory elements to record inter-pulse intervals. We take advantage of the high sensitivity of the resonant WPT to the load change, and the system dynamic response is used to transfer each pulse. The transient time of the WPT system is analyzed using the coupling mode theory (CMT). Our experimental results show that the memoryless approach works well for both power delivery and data transmission, providing a new wireless platform for the design of future miniaturized medical implants. PMID- 29203950 TI - Self-management program participation and social support in Parkinson's disease: Mixed methods evaluation. AB - Aims: To explore the potential influence of the Stanford Chronic Disease Self Management Program (CDSMP) on social support in Parkinson disease (PD). Methods: This was a quasi-experimental mixed methods design. Volunteers with PD (n=27) and care partners (n=6) completed the CDSMP, questionnaires of social support and self-management outcomes, and an interview about social support in relation to CDSMP participation. PD participants (n=19) who did not participate in the CDSMP completed the questionnaires for quantitative comparison purposes. Results: Regarding the quantitative data, there were no significant effects of CDSMP participation on social support questionnaire scores; however, there were some positive correlations between changes in social support and changes in self management outcomes from pre- to post-CDSMP participation. Three qualitative themes emerged from the interviews: lack of perceived change in amount and quality of social support, positive impact on existing social networks, and benefit from participating in a supportive PD community. Conclusions: Although participants did not acknowledge major changes in social support, there were some social support-related benefits of CDSMP participation for PD participants and care partners. These findings provide a starting point for more in-depth studies of social support and self-management in this population. PMID- 29203952 TI - Effect of intra-tumoral magnetic nanoparticle hyperthermia and viral nanoparticle immunogenicity on primary and metastatic cancer. AB - Although there is long association of medical hyperthermia and immune stimulation, the relative lack of a quantifiable and reproducible effect has limited the utility and advancement of this relationship in preclinical/clinical cancer and non-cancer settings. Recent cancer-based immune findings (immune checkpoint modulators etc.) including improved mechanistic understanding and biological tools now make it possible to modify and exploit the immune system to benefit conventional cancer treatments such as radiation and hyperthermia. Based on the prior experience of our research group including; cancer-based heat therapy, magnetic nanoparticle (mNP) hyperthermia, radiation biology, cancer immunology and Cowpea Mosaic Virus that has been engineered to over express antigenic proteins without RNA or DNA (eCPMV/VLP). This research was designed to determine if and how the intra-tumoral delivery of mNP hyperthermia and VLP can work together to improve local and systemic tumor treatment efficacy. Using the C3H mouse/MTG-B mammary adenocarcinoma cell model and the C57-B6 mouse/B-16-F10 melanoma cancer cell model, our data suggests the appropriate combination of intra-tumoral mNP heat (e.g. 43 degrees C/30-60 minutes) and VLP (100 MUg/200 mm3 tumor) not only result in significant primary tumor regression but the creation a systemic immune reaction that has the potential to retard secondary tumor growth (abscopal effect) and resist tumor rechallenge. Molecular data from these experiments suggest treatment based cell damage and immune signals such as Heat Shock Protein (HSP) 70/90, calreticulin, MTA1 and CD47 are potential targets that can be exploited to enhance the local and systemic (abscopal effect) immune potential of hyperthermia cancer treatment. PMID- 29203951 TI - Hypo-fractionated Radiation, Magnetic Nanoparticle Hyperthermia and a Viral Immunotherapy Treatment of Spontaneous Canine Cancer. AB - It has recently been shown that cancer treatments such as radiation and hyperthermia, which have conventionally been viewed to have modest immune based anti-cancer effects, may, if used appropriately stimulate a significant and potentially effective local and systemic anti-cancer immune effect (abscopal effect) and improved prognosis. Using eight spontaneous canine cancers (2 oral melanoma, 3 oral amelioblastomas and 1 carcinomas), we have shown that hypofractionated radiation (6 x 6 Gy) and/or magnetic nanoparticle hyperthermia (2 X 43 degrees C / 45 minutes) and/or an immunogenic virus-like nanoparticle (VLP, 2 x 200 MUg) are capable of delivering a highly effective cancer treatment that includes an immunogenic component. Two tumors received all three therapeutic modalities, one tumor received radiation and hyperthermia, two tumors received radiation and VLP, and three tumors received only mNP hyperthermia. The treatment regimen is conducted over a 14-day period. All patients tolerated the treatments without complication and have had local and distant tumor responses that significantly exceed responses observed following conventional therapy (surgery and/or radiation). The results suggest that both hypofractionated radiation and hyperthermia have effective immune responses that are enhanced by the intratumoral VLP treatment. Molecular data from these tumors suggest Heat Shock Protein (HSP) 70/90, calreticulin and CD47 are targets that can be exploited to enhance the local and systemic (abscopal effect) immune potential of radiation and hyperthermia cancer treatment. PMID- 29203955 TI - Stabilizers of edaravone aqueous solution and their action mechanisms. 1. Sodium bisulfite. AB - Edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) has been used as a free radical scavenging drug for the treatment of acute ischemic stroke in Japan since 2001. Edaravone is given to patients intravenously; therefore, it is distributed in the form of an aqueous solution. However, aqueous solutions of edaravone are very unstable because it is present as edaravone anion, which is capable of transferring an electron to free radicals including oxygen, and becomes edaravone radical. We observed the formation of hydrogen peroxide and edaravone trimer when aqueous edaravone solution was kept at 60 degrees C for 4 weeks. We proposed the mechanism of edaravone trimer formation from edaravone radicals. Lowering the pH and deoxygenation can effectively increase the stability of aqueous edaravone solution, since the former reduces edaravone anion concentration and the latter inhibits edaravone radical formation. Addition of sodium bisulfite partially stabilized aqueous edaravone solutions and partially inhibited the formation of edaravone trimer. Formation of bisulfite adduct was suggested by 13C NMR and HPLC studies. Therefore, the stabilizing effect of sodium bisulfite is ascribed to the formation of a bisulfite adduct of edaravone and, consequently, reduction in the concentration of edaravone anion. PMID- 29203953 TI - Are Heart Failure and Coronary Artery Bypass Surgery Patients Meeting Physical Activity Guidelines? AB - Purpose: The purpose of this study was to describe subjective and objective physical activity (PA) levels of two groups of cardiovascular patients who were either post-coronary artery bypass graft (CABG) surgery or diagnosed with heart failure (HF). Design: A descriptive comparative design was used for this secondary analysis of data from two prior studies. Methods: A convenience sample of 62 outpatients was used to examine PA objectively (Actiheart accelerometer) and subjectively (PA interview). Findings: Objectively, 33% of CABG patients and no HF patients met PA recommendations of >= 150 min/week. Subjectively, 56% of CABG and 38% of HF patients reported meeting PA recommendations. Conclusions: Few patients in the current study met PA recommendations. Clinical Relevance: Innovative rehabilitation nursing practice strategies are needed (e.g., use of activity trackers, making PA a vital sign) to assist patients in gaining the knowledge and skills to be more active and adhere to PA recommendations. PMID- 29203954 TI - Estimating bounds on causal effects in high-dimensional and possibly confounded systems. AB - We present an algorithm for estimating bounds on causal effects from observational data which combines graphical model search with simple linear regression. We assume that the underlying system can be represented by a linear structural equation model with no feedback, and we allow for the possibility of latent confounders. Under assumptions standard in the causal search literature, we use conditional independence constraints to search for an equivalence class of ancestral graphs. Then, for each model in the equivalence class, we perform the appropriate regression (using causal structure information to determine which covariates to adjust for) to estimate a set of possible causal effects. Our approach is based on the IDA procedure of Maathuis et al. (2009), which assumes that all relevant variables have been measured (i.e., no latent confounders). We generalize their work by relaxing this assumption, which is often violated in applied contexts. We validate the performance of our algorithm in simulation experiments. PMID- 29203956 TI - Stabilizers of edaravone aqueous solution and their action mechanisms. 2. Glutathione. AB - Edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) has garnered attention since its approval for amyotrophic lateral sclerosis in Japan (2015) and the United States (2017). Edaravone is administered intravenously, and as such, is distributed in the form of an aqueous solution. However, aqueous solutions of edaravone are very unstable because they present as edaravone anions, which become edaravone radicals when the anion donates an electron to free radicals including oxygen. In this study, glutathione (GSH) stabilized an aqueous edaravone solution during storage at 60 degrees C for 4 weeks, and prevented the formation of potentially carcinogenic phenylhydrazine, while cysteine did not. One possible explanation is that GSH undergoes intermolecular hydrogen bonding with edaravone anions, while cysteine does not, as it favors intramolecular hydrogen boding. The combination of GSH and sodium bisulfite (NaHSO3) stabilized aqueous edaravone at room temperature for more than 1 year even under aerobic conditions. However, the U.S. Food and Drug Administration cautioned that NaHSO3 may cause allergic reactions. Therefore, we developed a stable edaravone aqueous solution without using NaHSO3, namely a combination of GSH with deoxygenation, which resulted in better stabilization of aqueous edaravone than the combination of GSH and NaHSO3. PMID- 29203957 TI - Parabanic acid is the singlet oxygen specific oxidation product of uric acid. AB - Uric acid quenches singlet oxygen physically or reacts with it, but the oxidation product has not been previously characterized. The present study determined that the product is parabanic acid, which was confirmed by LC/TOFMS analysis. Parabanic acid was stable at acidic pH (<5.0), but hydrolyzed to oxaluric acid at neutral or alkaline pH. The total yields of parabanic acid and oxaluric acid based on consumed uric acid were ~100% in clean singlet oxygen production systems such as UVA irradiation of Rose Bengal and thermal decomposition of 3-(1,4 dihydro-1,4-epidioxy-4-methyl-1-naphthyl)propionic acid. However, the ratio of the amount of uric acid consumed to the total amount of singlet oxygen generated was less than 1/180, indicating that most of the singlet oxygen was physically quenched. The total yields of parabanic acid and oxaluric acid were high in the uric acid oxidation systems with hydrogen peroxide plus hypochlorite or peroxynitrite. They became less than a few percent in peroxyl radical-, hypochlorite- or peroxynitrite-induced oxidation of uric acid. These results suggest that parabanic acid could be an in vivo probe of singlet oxygen formation because of the wide distribution of uric acid in human tissues and extracellular spaces. In fact, sunlight exposure significantly increased human skin levels of parabanic acid. PMID- 29203958 TI - Role of catalytic iron and oxidative stress in nitrofen-induced congenital diaphragmatic hernia and its amelioration by Saireito (TJ-114). AB - Congenital diaphragmatic hernia (CDH) is a life-threatening neonatal disease that leads to lung hypoplasia and pulmonary hypertension. We recently found that maternal prenatal administration of Saireito (TJ-114) ameliorates fetal CDH in a nitrofen-induced rat model. Here, we studied the role of iron and oxidative stress in neonates of this model and in lung fibroblasts IMR90-SV in association with nitrofen and Saireito. We observed increased immunostaining of 8-hydroxy-2' deoxyguanosine in the lungs of neonates with CDH, which was ameliorated by maternal Saireito intake. Pulmonary transferrin receptor expression was significantly decreased in both CDH and CDH after Saireito in comparison to normal controls, indicating functional lung immaturity, whereas catalytic Fe(II) and pulmonary DMT1/ferroportin expression remained constant among the three groups. Saireito revealed a dose-dependent scavenging capacity with electron spin resonance spin trapping in vitro against hydroxyl radicals but not against superoxide. Finally, nitrofen revealed dose-dependent cytotoxicity to IMR90-SV cells, accompanied by an increase in oxidative stress, as seen by 5(6) chloromethyl-2',7'-dichlorodihydrofluorescein diacetate and catalytic Fe(II). Saireito ameliorated all of these in IMR90-SV cells. In conclusion, catalytic Fe(II)-dependent oxidative stress by nitrofen may be the pathogenic cause of CDH, and the antioxidative activity of Saireito is at least partially responsible for improving nitrofen-induced CDH. PMID- 29203959 TI - Cancer cell-specific mitochondrial reactive oxygen species promote non-heme iron uptake and enhance the proliferation of gastric epithelial cancer cell. AB - Iron is an essential nutrient for life and is involved in many important processes such as oxygen transport and DNA synthesis. However, excess amounts of iron can cause carcinogenesis by producing reactive oxygen species. Thus, the cellular transport of iron must be tightly regulated. In the human body, iron may be present as heme or non-heme iron. The mechanisms governing the cellular transport of these forms have not been clearly elucidated. We previously reported that the expression of an important heme transporter, heme carrier protein 1 was regulated by cancer-specific reactive oxygen species derived from mitochondria. In this study, we have asked if mitochondrial reactive oxygen species may also be related with non-heme iron transport. In order to address this question, we have investigated the relationship between mitochondrial reactive oxygen species and accumulation of cellular non-heme iron in a rat gastric normal, cancer and manganese superoxide dismutase-overexpressing cancer cell line, in which reactive oxygen species from mitochondria are specifically scavenged. We have also analyzed the expression of divalent metal transporter 1 and ferroprotin, involved in the incorporation and excretion of non-heme iron, respectively, as well as a hypoxia-related transcription factor HIF-1alpha, to elucidate the molecular mechanism of non-heme iron accumulation. PMID- 29203960 TI - Monascus purpureus induced apoptosis on gastric cancer cell by scavenging mitochondrial reactive oxygen species. AB - Monascus purpureus is a red dye derived from yeast rice and has been used as color additives for food in East Asia. Monascus purpureus consists of several bioactive components. Some of these components work as a radical scavenger, thus monascus purpureus would also eliminate reactive oxygen species. Cancer cells maintain the high level of reactive oxygen species than normal cell and are death by imbalance in pro-oxidant/antioxidant homeostasis. In this study, we investigated whether monascus purpureus induced cancer specific cell death by scavenging reactive oxygen species. Compared to normal cell, monascus purpureus had cancer specific cytotoxicity. Monascus purpureus and lovastatin, its component, scavenged free radicals caused by a xanthine/xanthine oxidase system, thus Monascus purpureus is likely to scavenge reactive oxygen species by a synergistic effect between lovastatin and other components. Monascus purpureus also decreased reactive oxygen species derived from mitochondria in cancer cells, and cellular apoptosis was induced via activation of caspase-9. Induction of apoptosis by reduction of reactive oxygen species generation decreased acid ceramidase, and this mechanism could be involved with increasing ceramide accumulation in cells. PMID- 29203961 TI - Oleuropein improves insulin resistance in skeletal muscle by promoting the translocation of GLUT4. AB - As the beneficial effects of the Mediterranean diet on human health are well established, the phenolic compounds in olive oil have been gaining interest. Oleuropein, a major phenolic compound in olives, is known to reduce the blood glucose levels in alloxan-induced diabetic rats and rabbits, however, its effect on type 2 diabetes caused by obesity is not clear. The purpose of this study is clarifying the effect of oleuropein on the glucose tolerance in skeletal muscle under the condition of lipotoxicity caused by type 2 diabetes. Oleuropein enhanced glucose uptake in C2C12 cells without insulin. Translocation of glucose transporter 4 (GLUT4) into the cell membrane was promoted by activation of adenosine monophosphate-activated protein kinase (AMPK) but not protein kinase B (Akt). Physiological concentration of oleuropein (10 uM) was sufficient to express beneficial effects on C2C12 cells. Oleuropein prevented palmitic acid induced myocellular insulin resistance. Furthermore, in gastrocnemius muscles of mice fed a high fat diet, oleuropein also induced the GLUT4 localization into cell membrane. These results suggest the possibility of oleuropein to be effective for type 2 diabetes by reducing insulin resistance in skeletal muscles. PMID- 29203962 TI - Sake lees hydrolysate protects against acetaminophen-induced hepatotoxicity via activation of the Nrf2 antioxidant pathway. AB - Acetaminophen is a commonly used analgesic. However, an overdose of acetaminophen causes severe hepatotoxicity via depletion of hepatic glutathione. Here, we investigated the protective effects of sake lees hydrolysate against acetaminophen-induced hepatotoxicity in mice. Sake lees hydrolysate was administered orally to ICR mice for seven days. Six hours after acetaminophen treatment, the mice were sacrificed, and blood and liver samples were collected for analysis. Treatment with acetaminophen markedly increased the levels of serum alanine aminotransferase, aspartate aminotransferase, lactate dehydrogenase, and alkaline phosphatase. Pretreatment with sake lees hydrolysate significantly prevented the increases in the serum levels of these enzymes and inhibited acetaminophen-mediated glutathione depletion. In addition, histopathological evaluation of the livers also revealed that sake lees hydrolysate prevented acetaminophen-induced centrilobular necrosis. The expression of gamma glutamylcysteine synthetase (gamma-GCS), hemeoxygenase-1 (HO-1) and nuclear factor erythroid 2-related factor 2 (Nrf2) in the liver were decreased after acetaminophen treatment, whereas pretreatment with sake lees hydrolysate led to an increased expression of all three proteins. Furthermore, sake lees hydrolysate induced the expression of these proteins in HepG2. These results suggested that sake lees hydrolysate could induces HO-1 and gamma-GCS expression via activation of the Nrf2 antioxidant pathway, and protects against acetaminophen-induced hepatotoxicity in mice. PMID- 29203963 TI - Ingestion of green tea with lowered caffeine improves sleep quality of the elderly via suppression of stress. AB - Epidemiological and animal studies have demonstrated that ingestion of green tea enhances healthy life. However, caffeine in green tea can interfere with sleep. In this report, we examined the effect of green tea with lowered caffeine, low caffeine green tea, on stress and sleep of the elderly. The participants (n = 10, mean age 89.3 +/- 4.2 years) drank five cups/day of standard green tea for 1 week. Subsequently, they drank five cups/day of low-caffeine green tea for 2 weeks. Salivary alpha-amylase activity (sAA) was measured as a stress marker. Sleep stages were measured using a portable electroencephalography (n = 7, 6 female and 1 male). The level of sAA in the morning (sAAm) was significantly lower when the participants drank low-caffeine green tea than standard green tea. While the levels of sAAm were different among individuals, lower sAAm correlated with a higher quality of sleep. In those participants whose sAAm was lowered by the ingestion of low-caffeine green tea, some sleep parameters improved. Daily ingestion of low-caffeine green tea may be a beneficial tool for improving the quality of sleep of the elderly via the suppression of stress, although further research is required to fortify this hypothesis. PMID- 29203964 TI - Prediction of functional profiles of gut microbiota from 16S rRNA metagenomic data provides a more robust evaluation of gut dysbiosis occurring in Japanese type 2 diabetic patients. AB - We assessed whether gut microbial functional profiles predicted from 16S rRNA metagenomics differed in Japanese type 2 diabetic patients. A total of 22 Japanese subjects were recruited from our outpatient clinic in an observational study. Fecal samples were obtained from 12 control and 10 type 2 diabetic subjects. 16S rRNA metagenomic data were generated and functional profiles predicted using "Phylogenetic Investigation of Communities by Reconstruction of Unobserved States" software. We measured the parameters of glucose metabolism, gut bacterial taxonomy and functional profile, and examined the associations in a cross-sectional manner. Eleven of 288 "Kyoto Encyclopedia of Genes and Genomes" pathways were significantly enriched in diabetic patients compared with control subjects (p<0.05, q<0.1). The relative abundance of almost all pathways, including the Insulin signaling pathway and Glycolysis/Gluconeogenesis, showed strong, positive correlations with hemoglobin A1c (HbA1c) and fasting plasma glucose (FPG) levels. Bacterial taxonomic analysis showed that genus Blautia significantly differed between groups and had negative correlations with HbA1c and FPG levels. Our findings suggest a novel pathophysiological relationship between gut microbial communities and diabetes, further highlighting the significance and utility of combining prediction of functional profiles with ordinal bacterial taxonomic analysis (UMIN Clinical Trails Registry number: UMIN000026592). PMID- 29203965 TI - The preventive effect of the impaired liver function for antiemetic therapy against chemotherapy-induced nausea and vomiting in hepatocellular carcinoma patients. AB - Transarterial chemoembolization and hepatic arterial infusion chemotherapy are recommended for the treatment in patients with intermediate stage of hepatocellular carcinoma. Impaired liver function was sometime observed in patients with hepatocellular carcinoma after transarterial chemoembolization or hepatic arterial infusion chemotherapy. However, what kinds of factors deeply influence in impaired liver function are not clear. A retrospective study was performed to evaluate the risk factors of impaired liver function in cisplatin naive patients treated with these therapies using cisplatin. Prior to and 2 months after these therapies, we analyzed the liver function by Child-Pugh score in these patients. For assessing the severity of chemotherapy-induced nausea and vomiting, we utilized the Common Terminology Criteria for Adverse Events ver. 4.0. In hepatocellular carcinoma patients received these therapies using cisplatin, the cancer stage and treatment without neurokinin-1 (NK1) antagonist were found to be independent risk factors of the impaired liver function. The treatment with NK1 antagonist was effective in reducing chemotherapy-induced nausea and vomiting and patients treated with NK1 antagonist kept their liver functions after cisplatin-used these therapies. The treatment with NK1 antagonist was effective in chemotherapy-induced nausea and vomiting and prevented the impaired liver function associated with cisplatin-used these therapies in hepatocellular carcinoma patients. PMID- 29203966 TI - Microvascular endothelial function in Japanese early adolescents. AB - Endothelial dysfunction is the early predictive factor for the development of atherosclerosis and future cardiovascular diseases in adulthood. The prevalence of endothelial dysfunction in children and early adolescents is increasing worldwide. Peripheral arterial tonometry is a noninvasive technique for assessing peripheral microvascular function and is used as a validated marker of endothelial function. We assessed anthropometric parameters, blood pressure, arterial stiffness, and peripheral endothelial function in 157 Japanese early adolescents (75 boys and 82 girls). We measured peripheral endothelial function by using peripheral arterial tonometry to determine the reactive hyperemia index, and assessed the association of reactive hyperemia index with parameters of anthropometry and arterial stiffness. The mean reactive hyperemia index of all subjects was 1.85 +/- 0.6, and there was no difference of reactive hyperemia index according to sex. Reactive hyperemia index was significantly associated with systolic and diastolic blood pressures, and had no correlation with anthropometric parameters and arterial stiffness markers. The reactive hyperemia index values among Japanese early adolescents were similar to those reported in previous studies on children and early adolescents. This noninvasive technique may be useful for the assessment of microvascular endothelial function among children and early adolescents. PMID- 29203967 TI - Patients' Rights in Cross-border Healthcare (Directive 2011/24/EU) and How It Applies to Turkey as a Negotiating Candidate Country. AB - Cross-border healthcare and patient mobility across European Union Member States has been on the agenda of EU Commission for the last decade. Directive 2011/24/EU on the application of patients' rights in cross-border healthcare went into force in 2013. The Directive mainly addresses the responsibilities of Member States in cross-border healthcare, regulates reimbursement procedure, and coordinates European reference networks and health technology assessment in the EU. The Directive has direct and indirect implications on Turkish health system. In this article, first an overview of Directive 2011/24/EU is addressed with special attention to its relation to patient rights and other EU legislations. Then, Turkish citizens' position in the scope of EU legislation on patient rights is considered. Finally, the ethical implications of the Directive, conceptualisation of cross-border patient mobility, and Turkey's particular position among other candidate countries regarding cross-border healthcare is discussed. PMID- 29203968 TI - 'I should have thought that Wales was a wet part of the world': Drought, Rural Communities and Public Health, 1870-1914. AB - From 1884 onwards, Britain experienced a series of major droughts, which reached their peak in the 'Long Drought' (1890-1909). Despite being imagined as a wet part of the world, rural Wales was hard hit as many communities did not have access to reliable water supplies. As medical officers of health and newspapers talked about water famines, alarm focused on questions of purity and disease as drought was presented as a serious health risk. Using rural Wales as a case study, this essay explores vulnerabilities to water scarcity during periods of drought to examine the material and socio-political impact of water scarcity and the resulting public health problems faced in rural areas. In addressing how droughts in rural communities were physical and social phenomena that generated considerable alarm about infectious disease, this essay also reveals how periods of water scarcity were an important determinant in improvements to rural water provision. PMID- 29203971 TI - Incidence of spinal epidural lipomatosis in patients with spinal stenosis. AB - Inroduction: Spinal Epidural Lipomatosis (SEL) is believed to be a rare disorder. The incidence and prevalence of clinically symptomatic SEL in patients with spinal stenosis has never been reported in the literature. Our study aims to determine the prevalence, incidence, and associated risk factors of SEL in patients with the diagnosis of spinal stenosis. Methods: This is a retrospective study. We reviewed the charts of 831 patients with the diagnosis of spinal stenosis over a 30 month period. All patients had spinal MRIs. Grading of SEL was performed using the Borre method. Results: 52 patients (21 female and 31 male) had symptomatic moderate and severe SEL. We found a prevalence of 6.26% and an annual incidence of 2.5%. SEL was most commonly seen at L5-S1 level. 27% had received corticosteroids. All SEL patients were overweight and 79% were obese. Conclusions: SEL is not uncommon in patients with spinal stenosis. SEL should be considered as a possible diagnosis in those with symptoms of spinal stenosis especially in those with associated risk factors. PMID- 29203972 TI - Current Status and Future Directions in Colorectal Cancer. PMID- 29203970 TI - Expression of the JAK/STAT Signaling Pathway in Bullous Pemphigoid and Dermatitis Herpetiformis. AB - A family of eleven proteins comprises the Janus kinases (JAK) and signal transducers and activators of transcription (STAT) signaling pathway, which enables transduction of signal from cytokine receptor to the nucleus and activation of transcription of target genes. Irregular functioning of the cascade may contribute to pathogenesis of autoimmune diseases; however, there are no reports concerning autoimmune bullous diseases yet to be published. The aim of this study was to evaluate the expression of proteins constituting the JAK/STAT signaling pathway in skin lesions and perilesional area in dermatitis herpetiformis (DH) and bullous pemphigoid (BP), as well as in the control group. Skin biopsies were collected from 21 DH patients, from 20 BP patients, and from 10 healthy volunteers. The localization and expression of selected STAT and JAK proteins were examined by immunohistochemistry and immunoblotting. We found significantly higher expression of JAK/STAT proteins in skin lesions in patients with BP and DH, in comparison to perilesional skin and the control group, which may be related to proinflammatory cytokine network and induction of inflammatory infiltrate in tissues. Our findings suggest that differences in the JAK and STAT expression may be related to distinct cytokines activating them and mediating neutrophilic and/or eosinophilic infiltrate. PMID- 29203969 TI - Cardiovascular Disease in Ageing: An Overview on Thoracic Aortic Aneurysm as an Emerging Inflammatory Disease. AB - Medial degeneration associated with thoracic aortic aneurysm and acute aortic dissection was originally described by Erdheim as a noninflammatory lesion related to the loss of smooth muscle cells and elastic fibre fragmentation in the media. Recent evidences propose the strong role of a chronic immune/inflammatory process in aneurysm evocation and progression. The coexistence of inflammatory cells with markers of apoptotic vascular cell death in the media of ascending aorta with aneurysms and type A dissections raises the possibility that activated T cells and macrophages may contribute to the elimination of smooth muscle cells and degradation of the matrix. On the other hand, several inflammatory pathways (including TGF-beta, TLR-4 interferon-gamma, chemokines, and interferon-gamma) seem to be involved in the medial degeneration related to aged and dilated aorta. This is an overview on thoracic aortic aneurysm as an emerging inflammatory disease. PMID- 29203973 TI - Long-Term Functional and Oncological Outcomes Following Intersphincteric Resection for Low Rectal Cancers. AB - Surgery for low rectal cancer often involves a permanent stoma. Intersphincteric resection (ISR) with colo-anal anastomosis is a valuable sphincter sparing surgical procedure that avoids the need for permanent stoma in patients with low rectal cancer. The aim of this study was to analyze the long-term functional and oncological outcomes following ISR. This was a retrospective analysis of patients with low rectal cancer who underwent ISR with colo-anal anastomosis in our institution between 2007 and 2015. All patients had a diversion stoma. Bowel function outcomes were assessed prospectively using Wexner incontinence score, low anterior resection syndrome score (LARS), and the Cancer Institute Quality of Life (QoL) questionnaire. The histological reports were reviewed to assess the oncological adequacy of the surgery. Patterns of recurrence and survival were analyzed in this group of patients. Thirty-three patients who underwent an ISR were eligible for this study. Laparoscopic resection was performed in five patients. All the patients received neoadjuvant chemoradiation except the two who received short course radiation and one who did not receive any neoadjuvant treatment. The median distance from the anal verge to the distal edge of the tumor was 3 cm (range 1.5-5 cm). Distal resection margins and circumferential resection margins were negative in all the patients. The 30-day post-operative mortality rate was 3.03%. In 20 patients with a median follow-up of 48 months, the 3-year overall survival was 95%. One patient had recurrence in the para aortic nodes. No patient had a local recurrence. Bowel function was assessed in 18 patients who had a minimum stoma free period of 1 year. After a median of 43 months following stoma closure, the median Wexner score was 3.56 (range 0-19), median LARS score was 4.78 (range 0-33), and the mean Cancer Institute QoL score was 151.56 +/- 15.741. The QoL was average to very high with an overall acceptable quality of life. In this study, ISR was associated with acceptable long-term functional and oncological outcomes. It can be considered as a safe alternative to a permanent stoma in selected patients with low rectal cancer. PMID- 29203974 TI - Deterministic Role of CEA and MSI Status in Predicting Outcome of CRC Patients: a Perspective Study Amongst Hospital Attending Eastern Indian Populations. AB - Carcinoembryonic antigen (CEA) is an important deterministic factor in predicting colorectal carcinoma (CRC) progression. It is also evident that microsatellite instability (MSI) which results in a hypermutable phenotype of genomic DNA is common in CRC. Owing to the scarcity of reports from India, our aim of this study was to understand the clinicopathological correlations of CEA status with surgery and chemotherapy, correlate the same with socio-demographic status of the patients, determine the MSI status amongst them and understand the prognostic implications of CEA and MSI as CRC progression marker amongst patients. The serum CEA level was estimated by chemiluminescence assay (CLIA). Serum liver enzyme assay was carried out following the manufacturer's instructions using auto analysers (E. Merck and Sera mol. Health Care, India). MSI analysis was carried out by PCR-SSCP. From our study, most frequently detected colorectal cancer was in 40-49 years age group (25.26%) with 61.05% male and 38.95% females. CEA showed a significant association with higher TNM staging, tumour size, smoking habit and MSI status (p < 0.05) but not with sex and site of cancer (p > 0.05). After surgery and chemotherapy, CEA and WBCs were decreased significantly (p < 0.05), while liver enzymes did not change significantly (p > 0.05). Overall, microsatellite instability was observed in approximately 40% of the populations. From our study, it was also evident that for both, MSI and abnormal CEA level predicted poor prognosis for the patient (by using Kaplan-Meier survival analysis; p = 0.04). Thus, CEA and initial MSI status can be used as prognostic markers of CRC. PMID- 29203975 TI - A Prospective Study of Distal Microscopic Spread in Rectal Cancer After Neoadjuvant Chemoradiation in Pinned and Unpinned Specimen. AB - The most important margin in determining the prognosis of rectal cancer is circumferential resection margin (CRM). But, the type of surgery is determined by distal rectal margin (DRM), whether sphincter saving procedure is possible or patient needs an abdominoperineal resection. There are no standardized uniform guidelines for measurement of DRM. The purpose of this study is to assess the distal microscopic spread beyond gross margin after neoadjuvant concurrent chemoradiation (CCRT) in rectal cancers, the factors influencing the distal microscopic spread, the shrinkage of the distal margin in pinned and unpinned fresh and fixed specimen, and to find out the best method of measurement of distal rectal margin. A prospective analytical study was conducted from May 2013 through February 2015 in 47 cases of carcinoma rectum (both AR and APR) who had received neoadjuvant CCRT. Fresh specimen was collected within 30 min of specimen retrieval and a longitudinal cut was made in the distal margin of all specimens. One side of the specimen was pinned onto a cork board and the other side was left unpinned. Measurements were made from the distal end of clinical gross tumor. DRM was determined in both pinned and unpinned sides in fresh and fixed specimen. Of the 47 patients, 2 patients (4.2%) had small focus of tumor beyond gross margins, 1 at 6 mm and another at 3.5 mm on the unpinned side. The average margin for fresh and fixed pinned specimens was 3.67 and 3.47 cm, respectively, with percentage shrinkage of 5.4% for the pinned specimens. The average margin for fresh and fixed unpinned specimens was 3.32 and 2.84 cm, respectively, with percentage shrinkage of 14.4% for the unpinned specimens. Six patients (12.7%) had complete pathological response. Correlation of distal margin was better in pinned specimen. A correction factor of 15% for shrinkage needs to be taken into account while assessing unpinned specimen. Only in 4.2% of patients, there was distal submucosal spread beyond gross margin. Long-term follow up is required for assessing adequacy of DRM post neoadjuvant CCRT. PMID- 29203976 TI - Laparoscopic Versus Open Approach for Intersphincteric Resection-Results from a Tertiary Cancer Center in India. AB - The study aims to compare open intersphincteric resection (OISR) with laparoscopic intersphincteric resection (LISR) in terms of short-term oncological and clinical outcomes. This is a retrospective review of a prospectively maintained database including all the patients of rectal cancer who underwent intersphincteric resection (ISR) at Tata Memorial Centre between 1st July 2013 and 30th November 2015. Short-term oncological parameters evaluated included circumferential resection margin involvement (CRM), distal resection margin involvement, and number of nodes harvested. Perioperative outcomes included blood loss, length of hospital stay and 30-day postoperative morbidity and mortality. Chi-square test was used to compare the results between the two groups. Thirty nine cases of OISR and 34 cases of LISR were included in the study. Median BMI was higher in LISR group; otherwise, the two groups were comparable in all aspects. There were no conversions in LISR group. CRM involvement was seen in four patients (10%) in the conventional group compared to none in the LISR group. Median hospital stay was comparable between the two groups. Laparoscopic ISR is safe and can be performed with low conversion rate in selected group of patients. PMID- 29203977 TI - Radical Treatment of Rectal Cancer in Elderly Is Feasible than Feared: Results from a Tertiary Care Centre. AB - The thought of subjecting an elderly patient with rectal cancer to protocol-based neoadjuvant chemoradiation (NACTRT), surgery and adjuvant chemotherapy is sought with fear due to their multiple comorbidities and impaired functional status associated with the process of ageing. Hence, many a times the treatment is compromised and it is a fact that this subgroup of patients is underrepresented in most of the clinical trials. This study was aimed at analysing the perioperative and oncologic outcomes after protocol-based treatment of rectal cancer in the elderly patients, defined here as those with age >=70 years. Prospective analysis of medical records of rectal cancer patients was done who were >=70 years of age and were diagnosed and treated at Regional Cancer Centre (RCC), Thiruvanathapuram from 2008 to 2012. In this 5-year period, a total of 339 rectal cancer patients underwent surgery as part of multimodality treatment with curative intent. Of them, 75 patients were >=70 years of age. Half of them had one or more comorbidities (54%) and majority were locally advanced at presentation (77%). Forty-seven (62%) cases received NACTRT and all of them tolerated RT dose (50.4 Gy) without modification. Anterior resection (AR) was performed in 48 (64%) and abdominoperineal resection (APR) in remaining. Diverting stoma was made in four; of which three remained permanent. Two colostomies were performed for delayed leaks. Three patients (4%) died within 30 days due to leak, sepsis and cardiopulmonary causes. Two thirds (49/75) received adjuvant chemotherapy (ACT) but only 55% of them (27/49) could complete all the cycles without dose modification. The median survival was 28 months. The 3-year disease-free survival (DFS) and overall (OS) were 80.1 and 83.9%, respectively. There were 11 distant recurrences including two locoregional recurrences. The morbidity and mortality of multimodality therapy is reasonable to proceed with radical treatment with curative intent in the elderly patients with rectal cancer. PMID- 29203978 TI - Colorectal Cancer in India: An Audit from a Tertiary Center in a Low Prevalence Area. AB - Colorectal cancer (CRC) is a common cancer worldwide with a low reported incidence in India. There is significant geographical variation in the incidence rates, and the presentation may also vary. There are few studies evaluating the clinical profile of CRC in Indian patients. We analyzed a prospective database maintained at the Tata Memorial Hospital, a referral cancer center in Mumbai, of consecutive patients with CRC between August 2013 and August 2014. We captured details regarding the demography, symptoms, pathology, stage, and treatment plan. The aim was to assess the demographic and clinical details of patients with CRC in India and compare it with those of the reported literature. Eight hundred new patients with CRC were seen in the colorectal clinic in one year. The mean age was 47.2 years. Sixty-five percent were males. Patients were symptomatic for an average period of 4 months prior to presentation. The commonest symptoms were rectal bleeding (57%), pain (44%), and altered bowel habits (26%). Thirteen percent of the patients had signet ring tumors. The median CEA (carcinoembryonic antigen) level was 5.8 ng/mL. Most patients had localized or locally advanced disease. Twenty-eight percent of the patients had metastatic disease with liver being the commonest site of metastases (14%) followed by peritoneum and lung. More than half of the patients received treatment with a curative intent. Colorectal cancer in India differs from that described in the Western countries. We had more young patients, higher proportion of signet ring carcinomas, and more patients presenting with an advanced stage. Inadequate access to healthcare and socioeconomic factors may play a role in some of these differences. PMID- 29203979 TI - Young Vs Old Colorectal Cancer in Indian Subcontinent: a Tertiary Care Center Experience. AB - This study aims to compare patient, tumor, treatment-related factors and survival between young (<45 years) and old (>45 years) Indian colorectal cancer (CRC) patients. Total 778 patients of CRC were registered at tertiary cancer center in India between 1 August 2013 and 31 July 2014. Patients were followed up for median period of 27.73 months. Data regarding patient, tumor, treatment and survival-related factors were collected. Patients were divided in young (<=45 years) and old (>45 years) age groups. Statistical analysis was done with SPSS software version 23. Young age group patients presented more commonly with poor histology, node-positive disease, and rectal site. Younger age group patients received multiple lines of neoadjuvant treatment. There was no significant overall survival difference in both groups of patients. On stratified stage-wise analysis, no significant overall survival (OS) difference was found between two groups (young vs old-1- and 3-year OS: 85.2 and 61.5% vs 81.5 and 64.5%, respectively; P = 0.881). On univariate analysis, gender, performance status, site, stage, differentiation, TRG, CRM status, signet ring type, and CEA level were significant prognostic factors. In disease-free survival (DFS) analysis, it is found that there is statistically significant difference in DFS (young vs old: 1 and 3 years; 77.6 and 62.8% vs 85.8 and 74.1%, respectively; P value, 0.02), but when OS was analyzed for same group of patient, there was no statistical difference (P = 0.302). This study confirms the high incidence rates of CRC in young Indian patients. There is no OS difference between two age groups. In operated group of patients, there is higher DFS in older patients but no OS advantage at 3 years follow-up. Further long-term follow-up is required to see any OS difference. PMID- 29203980 TI - Quality of Life After "Total Mesorectal Excision (TME)" for Rectal Carcinoma: a Study from a Tertiary Care Hospital in Northern India. AB - Quality of life (QoL) is a key element in rectal cancer (RC) patients. There is not much data regarding this from North India. This study assesses QoL following low anterior resection (LAR) and abdominoperineal resection (APR), operated for low rectal tumors at a high-volume center in northern India. One-hundred-thirty patients of rectal carcinoma were prospectively assessed for quality of life using the European Organization for Cancer QLQ-30 and CR29 questionnaires and compared with reference data population. There was no significant difference in the European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 functional or symptom score between the study group and reference data population. Specific functional and symptom QoL scores of the study group were comparable to that of reference data population. There was no significant difference in the EORTC QLQ-C30 functional or symptom score between APR and LAR groups, except for the symptom of nausea and vomiting which was reported significantly more by the LAR group patients than APR group (p = 0.001). LAR patients had significantly higher scores with regard to nausea and vomiting than patients with an APR (p < 0.05). APR patients had significantly higher scores with regards to urinary frequency (p = 0.0001), abdominal pain (p = 0.0001), and embarrassment (p = 0.0001) than LAR patients. Quality of life after APR and LAR for rectal carcinoma was found to be comparable to the reference data population, and the QoL after APR was similar to that after LAR barring a few symptoms. PMID- 29203981 TI - Triple Test-a Predictor of Anastomotic Integrity in Patients Undergoing Low Anterior Resection After Neoadjuvant Chemoradiotherapy. AB - Anastomotic leak after low anterior resection for rectal cancer is a dreaded complication. Diversion stoma helps tiding over this crisis and it is routinely practised in most centres, especially in post chemoradiotherapy setting. But a diversion stoma has got its own problems. In this study, we attempt to use the triple test as a predictor of anastomotic integrity and thereby avoid a diverting stoma, and patients undergoing low anterior resection after neoadjuvant chemoradiotherapy were spared the trouble of a diverting stoma if the on table triple test was negative. Two hundred such consecutive patients were prospectively followed up in the postoperative period. The incidence of anastomotic leak and the factors predicting the same were analysed in this group of patients. The incidence of anastomotic leak in our study was 7%, which is much less when compared to published literature. The triple test was a reliable predictor of the integrity of anastomosis and if the test is negative, a diverting stoma can be avoided. Age more than 60 years and end-to-end anastomosis were found to be associated with increased incidence of leak, and patients with a negative triple test need not routinely undergo diversion stoma after a low anterior resection even in post chemoradiotherapy setting. PMID- 29203982 TI - Patterns and the Occurrence of KRAS Mutations in Metastatic Colorectal Cancers-a Study from Indian Regional Cancer Centre. AB - Mutation analysis of the KRAS oncogene is established as a predictive biomarker in Colorectal cancer (CRC). Many prospective clinical trials have shown that only CRCs with wild-type KRAS respond to anti-epidermal growth factor receptor (EGFR) treatment. Hence, mutation analysis is mandatory before treatment of metastatic CRCs. There are very few studies on the KRAS mutation status in the Indian setting. Hence, this study was done to document the patterns of KRAS mutations in CRCs reporting to a regional cancer centre in South India. Among 150 cases of metastatic colorectal cancer reporting over a period of 20 months, 48 random cases were analyzed for the KRAS mutational status of codons 12 and 13 of the KRAS gene by genomic sequencing. KRAS mutations in codons 12 and 13 were present in 9/48 (18.75%) of all analyzed CRCs. The common types of mutations were glycine to aspartate on codon 12 (p.G12D), glycine to valine on codon 12 (p.G12 V), and glycine to aspartate on codon 13 (p.G13D). PMID- 29203983 TI - Role of Hepatic Resection for HCC in the era of Transplantation; an Experience of Two Tertiary Egyptian Centers. AB - The surgical treatments of hepatocellular carcinoma (HCC) in a cirrhotic liver include both hepatic resection and liver transplant. While the liver transplant is considered as a golden therapy, it has some obstacles including shortage of organs especially living donors, economic circumstances, and the progression of a tumor while waiting for the transplant so the second choice which is resection should have a role. In this study, 84 patients with HCC (who were legible for transplant according to Milan and extended selection criteria) were enrolled for hepatic resection. The outcome including complication and the oncologic outcome was evaluated. We followed our patients for 15 months as a median follow-up (range from 3 to 50 months); we noticed 10 tumor relapse (11.7%) and seven lost (8.3%). We also noticed no recurrence. Patients' overall survival showed a median of 15 and 50 months, respectively. We can conclude that there is reasonability for HR as an effective optional treatment for patients with HCC who are legible for transplant particularly for patients with a Child-A scoring. PMID- 29203984 TI - Ovarian Metastases of Colorectal Origin: Treatment Patterns and Factors Affecting Outcomes. AB - The purpose of this study is to evaluate the patterns of treatment and factors affecting outcomes in ovarian metastases of colorectal origins treated at our institution and to assess the response of ovarian metastases to chemotherapy. Survival in R0 and R+ resections and patients receiving only chemotherapy is also analyzed. This is a retrospective study of 25 patients registered between January 2012 and December 2015. Patient's age, disease status, mode of presentation, disease spread, mode of treatment, response to chemotherapy, completeness of resection, histology, and outcomes were considered as variables for analysis. There were 21 synchronous presentations and 4 metachronous presentations. In synchronous presentations, only 2 had extra-abdominal disease. Of these patients, 15 underwent surgeries of various extents. The remaining 6 patients were treated with chemotherarpy initially. Only one of them could come up to surgery later. In R0 resections, disease recurred between 1 and 9 months (median 3.5 months). The recurrence was in peritoneum and ovaries. In operated cases, 12 of 15 patients received chemotherapy and 9 patients progressed on first line chemotherapy. In all 4 metachronous patients, the disease was in the peritoneum. No one underwent surgery for the recurrence due to the extensive nature of the disease. All received chemotherapy. Sixty-six percent ovarian metastases showed progression on chemotherapy. There was no significant difference in the median survival between patients treated with surgery plus chemotherapy (23 months) vs. those treated with chemotherapy alone (28 months). Age and presence of disease at other sites did not affect the outcomes. Non-signet ring cell histologies showed better outcomes compared to signet ring cell histology (p = 0.02). Synchronous presentation, R0 resections, and responsive disease showed better survival, however it was clinically not significant. Treatment of ovarian metastases of colorectal origins is varied but has consistently poor outcome. Non-signet histology was the only prognostic factor which showed better outcome. Survival was not different between patients treated with surgery+chemotherapy and chemotherapy alone but majority of ovarian metastases progressed on chemotherapy. Considering the poor response to chemotherapy and peritoneum being the most common site of disease, both in primary and recurrent setting, R0 resection should always be attempted after selecting the correct patients using PET scan, laparoscopy and standard exploratory protocols. Treatment should be tailored upon patient's status and disease burden with an aim to do complete cytoreduction whenever possible. CRS+HIPEC (cytoreductive surgery + hyperthermic intraperitoneal chemotherapy) can be considered on case to case basis as even R0 resections tend to recur. PMID- 29203985 TI - Setting up of the Indian HIPEC Registry: A Registry for Indian Patients with Peritoneal Surface Malignancies. AB - There are various registries for patients with peritoneal metastases (PM) that aid pooling of data and generate evidence that dictates current clinical practice. This manuscript describes the setting up of the Indian HIPEC registry that was set up with a similar goal by a group of Indian surgeons. This is a registry for patients with PM treated with CRS and HIPEC in India. It also acts as a database for storing treatment-related information. Patients with PM from colorectal ovarian, gastric, appendiceal tumors, and other rare peritoneal tumors/metastases from rare tumors are enrolled in the registry. A coordinator updates the disease status of patients on a yearly basis. A private organization maintains the database. A non-disclosure agreement is signed between the company and each surgeon contributing to the registry to maintain confidentiality. For enrolling patients, securing institutional permission depends on the requirement of each institute; patient consent is mandatory. Data entry can be prospective or retrospective. To propose and conduct a study, the approval of a scientific committee linked to the registry is required. The Indian HIPEC registry is a practical database for Indian surgeons. There is no regulatory body that mandates collection and publication of scientific data in India. The onus is on each surgeon to capture valuable information pertaining to these common and rare diseases that could contribute to the existing scientific knowledge and guide the treatment of these patients in the future. The next challenge will be to enter data into the registry. PMID- 29203986 TI - CRS and HIPEC for PMP-Use of the LC-CUSUM to Determine the Number of Procedures Required to Attain a Minimal Level of Proficiency in Delivering the Combined Modality Treatment. AB - The learning curve for cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) for pseudomyxoma peritonei (PMP) which peaks at 90 procedures for the surgeon may take several years to reach. The cumulative summation (CUSUM) test of the learning curve (LC-CUSUM) was used to assess the safety of the procedure (minimal level of proficiency for the surgeon) in terms of morbidity, mortality, and completeness of cytoreduction and early oncological failure before the peak of the learning curve had been reached. The limits for h0 and h1 were set based on the results of large series of such cases published before. From 2011 to 2016, 77 patients with PMP underwent CRS and HIPEC. The mean peritoneal cancer index (PCI) was 28 and 75% of the patients had a CC-0/1 resection. The grade 3-4 morbidity was 42.6% and the mortality was 5.2%. The 5 year overall survival (OS) was 62.3% and the 3-year disease-free survival (DFS) was 71%. The LC-CUSUM analysis showed that for in-hospital mortality, acceptable limits are reached after the 57th case, after the 38th case for the grade 3-4 morbidity and CC-2/3 resections both and after the 70th case for early oncological failure. The number of cases required to attain a minimal level of proficiency for each prognostic variable is different. Using the CUSUM test, surgeons can analyze their performance and determine the areas in which they need to improve before the peak of the learning curve is reached. These outcomes reflect the performance of the multidisciplinary team and not the surgeon alone. PMID- 29203987 TI - Ovarian Cancer in Young Women. AB - It is not clear how often epithelial tumours affect young women. This study aimed to evaluate the clinico-pathological pattern and survival outcome of women, 40 years and younger, with cancer ovary. Women 40 years and younger, operated between 2008 and 2012 for ovarian cancer, were retrospectively recruited and followed up. The study design was descriptive as well as a survival analysis. A hybrid of retrospective and prospective cohort design was used for risk factor analysis. Of the 115 women less than 40 years being operated for probable ovarian cancer, 22 were excluded for various reasons. Demographic details, clinical presentations, histopathological features, treatments and survival outcomes were studied. The primary outcomes looked for were death and recurrence. Secondary outcomes were complications of treatment and fertility. The predominant histology in the study population was epithelial tumour (70%), and serous adenocarcinoma was the commonest tumour type. The overall survival rate was 87%, and progression free survival was 63%. Time to death and recurrence were dependent on stage of disease, histology of tumour, primary treatment and residual disease at surgery. In multivariate analysis, the hazard ratio for recurrence in advanced stages was 12.6 (95% CI 3.5 to 45.5; p < 0.001) as compared to early stage disease. Epithelial ovarian cancers are common in young women. Death and recurrence are more likely in women with epithelial cancers, advanced stage disease and in those with residual tumour at cytoreductive surgery. PMID- 29203988 TI - Correlation of Transabdominal Ultrasonography and Cystoscopy in Follow-up of Patients with Non-muscle Invasive Bladder Cancer. AB - Cystoscopy (CS) is considered to be the gold standard in the follow-up of non muscle invasive bladder cancer. However, CS is invasive, time-consuming, and expensive. On the other hand, modern sensitive transducers have improved the imaging of urinary tract rendering transabdominal ultrasonography (US) more effective in visualizing intraluminal filling defects in the bladder than it was in the past. Twenty-five follow-up patients of low-risk bladder cancer meeting the inclusion and exclusion criteria were included in study. Ultrasonography of the bladder was performed by a single senior radiologist, and subsequently, these patients were subjected to flexible cystoscopy under local anesthesia. Pain score was calculated for each of the cystoscopies done. Findings of transabdominal ultrasound of the bladder were correlated and compared with those of cystoscopy. Subjects with US and/or CS findings suggestive of recurrence underwent transurethral resection of bladder tumor (TURBT) under general anesthesia and confirmation of the bladder carcinoma was achieved by the histopathological examination. Mean patient age was 60.56 years with range of 29 to 77 years. The sensitivity of modern ultrasonographic techniques was found to be 84.61% with specificity of 91.7% taking flexible cystoscopy as the gold standard for detection of recurrence. The accuracy of US was 88% with positive predictive value of 91.7% and negative predictive value of 84.61%. Technological evolution has improved the accuracy of ultrasonography in diagnosis of bladder carcinoma. It represents a valuable surveillance tool in selected sub group of low risk non muscle invasive bladder cancer patients. PMID- 29203989 TI - Strategies for Differentiating Gallbladder Carcinoma from Xanthogranulomatous Cholecystitis-a Tertiary Care Centre Experience. AB - Xanthogranulomatous cholecystitis (XGC) is an uncommon variant of chronic cholecystitis, characterized by focal or diffuse destructive inflammatory process. The importance of XGC is that it mimics gallbladder carcinoma (GBC) both preoperatively and intra-operatively, since it can present with pericholecystic infiltration, hepatic involvement and lymphadenopathy. As a result of this misdiagnosis which is not infrequent, the patient may need to undergo an unnecessary radical cholecystectomy rather than only a cholecystectomy which is associated with greater morbidity and mortality. Patients who underwent gallbladder and gallbladder-related operations during period of 5 years between 2010 and 2014 were reviewed (n = 462). A comparison of clinical, biochemical, radiological and operative features were made between patients with carcinoma gallbladder (n = 101) and xanthogranulomatous cholecystitis (n = 22). Patient with a long history of recurrent abdominal pain with leucocytosis and who on imaging are found to have a diffusely thickened gallbladder wall (p < 0.01), with cholelithiasis, choledocholithiasis and sub-mucosal hypoattenuated nodules (p < 0.05) are likely to have XGC while those with anorexia, weight loss, focal thickening of the gallbladder wall on imaging (p < 0.01) and dense local organ infiltration are more likely to have GBC. The presence of lymph nodes on imaging and the loss of fat plane interface between the liver and gallbladder are not differentiating factors. Differentiating XGC from GBC in preoperative setting is necessary to avoid radical procedures being done for a benign process. Certain clinical, radiological and intra-operative features aid in differentiating these benign and malignant process. However, the definitive diagnosis still remains a histopathological examination to avoid radical resection in patients who have a benign condition. PMID- 29203990 TI - Squamous Cell and Adenosquamous Carcinoma of Gall Bladder: a Clinicopathological Study of 8 Cases Isolated in 94 Cancers. AB - Adenosquamous/squamous cell carcinoma (AS/SCC) of the gall bladder is a rare histopathologic subtype that accounts for 1 to 12% of all the gall bladder carcinomas (GBC). Literature on these malignancies is limited. A retrospective analysis of 8 cases (study group) of pathologically proven AS/SCC of the gallbladder among 94 patients who underwent surgery for GBC from January 2001 to December 2014 was done. Twenty-four conventional gall bladder adenocarcinoma cases were selected as control group after matching for age and gender. Mean patient age was 57.8 years and six were females. Clinical presentation did not seem to be too different among the study and control group. Average tumor thickness was significantly higher in AS/SCC cases as compared to the control group (mean 3.1 versus 1.44 cm; p = 0.001). Immunohistochemistry for Ki-67 in adenosquamous carcinoma of the gall bladder showed much higher proliferative index in squamoid area than the adenocarcinoma areas (mean 31.3 versus 16.8%; p = 0.0004). Study group showed 87.5% patients were in higher stage whereas only 37.5% of the patients in control group presented at a higher stage. AS/SCC of the gall bladder presented at an advanced stage. Higher proliferation index in squamous component of adenosquamous carcinomas may account for higher T stage in these malignancies. PMID- 29203991 TI - Postoperative Delirium in Indian Patients Following Major Abdominal Surgery for Cancer: Risk Factors and Associations. AB - Postoperative delirium (POD) is not uncommon following major abdominal surgery with its incidence ranging between five and 51%. As cancer affects disproportionately, the population older than 65 years and as delirium is more common in the elderly, surgical oncology patients are at a higher risk of developing POD. The present study was undertaken to explore the impact and associations of POD in Indian patients undergoing oncological major abdominal surgery. A retrospective review of the electronic medical records in a tertiary cancer care institution of all postoperative patients who had undergone major gastrointestinal gynaecological and urological abdominal surgery for cancer and required psycho-oncology referral was performed. Patient, surgery and postoperative outcome-related data were collected. Statistical analysis was performed using univariate and multivariate logistic regression analysis. Out of 824 patients who underwent major abdominal surgery, 33 patients (4.0%) were diagnosed with POD. In univariate analysis, older age and history of addiction were found to be statistically significantly associated with POD (p < 0.001). Among the postoperative factors, respiratory complications (p < 0.001), sepsis (p < 0.05), ICU stay > 24 h (p < 0.05) and electrolyte impairment (p < 0.05) were the significant associations with the POD. Thirty-day mortality was higher in the POD group (p < 0.05). In multivariate logistic regression analysis, advanced age, addictions, respiratory complications and sepsis were found to be significant associations with POD, p < 0.001. Postoperative delirium is associated with higher mortality. Older age, postoperative respiratory complications and sepsis are common contributory factors of postoperative delirium. PMID- 29203992 TI - Molecular Landscape and Treatment Options for Patients with Metastatic Colorectal Cancer. AB - Over the last 20 years, median survival for patients with metastatic colorectal cancer (CRC) has remarkably improved from about 12 to over 30 months, mainly because of the development of new agents and patient selection using predictive biomarkers. However, the identification of the most effective treatment for an individual patient is still a challenge. Molecular profiling of CRC has made great progress, but it is limited by tumor heterogeneity and absence of driver mutation. However, RAS, BRAF, and microsatellite instability are validated biomarker recommended by NCCN and ESMO. In this review, we discuss recent advances and future developments. PMID- 29203993 TI - Minimally Invasive Surgery for Rectal Cancer: Current Status and Future Perspectives. AB - Although laparoscopic resection for colon cancer has been proven safe and feasible when compared with open resection, currently no clear evidence is available regarding minimally invasive surgery for rectal cancer. This type of surgery may benefit patients by allowing fast recovery of normal dietary intake and bowel function, reduced postoperative pain, and shorter hospitalization. Therefore, minimally invasive surgeries such as laparoscopic or robot surgery have become the predominant treatment option for colon cancer. Specifically, the proportion of laparoscopic colorectal cancer surgery in Korea increased from 42.6 to 64.7% until 2013. However, laparoscopic surgery for rectal cancer is more difficult and technically demanding. In addition, the procedure requires a prolonged learning curve to achieve equivalent outcomes relative to open surgery. It is very challenging to approach the deep and narrow pelvis using laparoscopic instruments. However, robotic surgery provides better vision with a high definition three-dimensional view, exceptional ergonomics, Endowrist technology, enhanced dexterity of movement, and a lack of physiologic tremor, facilitated by the use of an assistant in the narrow and deep pelvis. Recently, an increasing number of reports have compared the outcomes of laparoscopic and open surgery for colon cancer. Such reports have prompted a discussion of the outcomes of minimally invasive surgery, including robotic surgery, for rectal cancer. The aim of this review is to summarize current data regarding the clinical outcomes, including oncologic outcomes, of minimally invasive surgery for rectal cancer. PMID- 29203994 TI - An Overview of the Current Management of Bilobar Colorectal Liver Metastases. AB - Bilobar colorectal liver metastases (BCRLM) present a challenging scenario for liver surgeons globally. The following article aims to provide an overview of the different strategies which may be utilised in order to successfully manage advanced BCRLM. PMID- 29203995 TI - Management of Borderline Ovarian Tumors-Still a Gray Zone. AB - Borderline ovarian tumors (BOTs) are a heterogeneous group of non-invasive epithelial ovarian tumors that occur at a younger age, present in early stage, frequently associated with infertility but are easily curable. Although they may have symptomatic long-term recurrences, they have an excellent prognosis in spite of peritoneal spread. Among the epithelial tumors of the ovary, BOTs fall in the spectrum lying between cystadenomas (benign) and cystadenocarcinomas (malignant). Their oncological behavior is more aggressive than benign ovarian tumors but relatively less than that of malignant ovarian tumors. Since the age group affected is usually young females, preservation of fertility is an important aspect of treatment protocol. Although the management of these tumors has been extensively discussed, it still remains a controversial gray zone. In this review, epidemiology, pathogenesis, histologic subtypes, various surgical approaches, follow-up, and management of recurrence have been discussed. Choosing the best treatment still poses a challenge for the treating oncosurgeon. PMID- 29203996 TI - Metachronous Synchronous Sternal and Colonic Metastasis with Asymptomatic Colo colic Fistula from Carcinoma Ovary Rare Presentation of Ovarian Cancer. AB - Ovarian cancer is one of the most common gynecological cancers worldwide. It is the third leading cause of cancer among women in India. Metastatic disease to the visceral organs from ovarian cancer occurs as a terminal event in the natural history of the disease. In particular, spread to the bone and large bowel is infrequently described. The risk of distant metastasis increases in a recurrent setting. We describe a case of a 77-year-old lady, who was diagnosed for ovarian carcinoma in 2007 and underwent primary cytoreductive surgery, stage IIIc. She presented to us with asymptomatic rising cancer antigen (CA) 125 levels during follow-up. On evaluation she was found to have sternal and colonic deposits. She underwent left hemicolectomy and biopsy of sternal deposit. Histopathology revealed metastasis from the carcinoma ovary to the colon and sternum. This case report highlights the rare synchronous metastatic disease in a metachronous setting from ovarian carcinoma. PMID- 29203997 TI - Perianal Paget's Disease-a Case Report and a Review of Current Diagnosis and Management. AB - Paget's disease is an intraepithelial adenocarcinoma arising from the apocrine gland component of the skin. Paget's disease is most common in the breast but extra mammary disease is also seen. Perianal Paget's disease is a rare form of extramammary disease with few cases reported in literature. It can be primary arising from the skin or secondary-cutaneous metastases of anorectal or genitourinary malignancy. We hereby wish to report a case of perianal Paget's disease that presented as an eczematous lesion and was diagnosed incidentally on biopsy. After appropriate staging, the patient underwent wide local excision till negative margins were obtained. The resultant tissue defect was successfully covered by split-thickness skin grafting. PMID- 29203998 TI - Optimal Management of a Synchronous Diagnosis of Phaeochromocytoma and Colorectal Neoplasia. AB - The incidence rates of phaeochromocytoma and colorectal cancer (CRC) are approximately 1 and 65 per 100,000 per year, respectively. Simultaneous presentation of these conditions is rare and poses unique management challenges. We report on treatment strategies and clinical outcomes in a series of patients with colorectal neoplasia and phaeochromocytoma. Demographic and clinical details of four patients over a 4-year period were reviewed. The median (range) age at first presentation was 66 (52-70) years. Phaeochromocytoma (2.5-12.5 cm) was confirmed on biochemistry after incidental detection of an adrenal mass on CT scan-three had CT for staging of CRC and one had CT scan for weight loss. Adrenalectomy (three retroperitoneoscopic and one open procedure) was first performed after maximally tolerated alpha blockade; no significant complications were observed. Normalisation of biochemistry was confirmed and the patients then underwent colorectal surgery-laparoscopic right hemicolectomy, open right hemicolectomy (with further extensive surgery) for locally advanced cancer, laparoscopic low anterior resection and open high anterior resection. One respiratory infection and a seroma were the post-operative complications seen. In patients with a simultaneous diagnosis of phaeochromocytoma and CRC, surgical interventions should be staged. Adrenalectomy should first be performed to avoid haemodynamic instability during colorectal resection. A retroperitoneoscopic approach to the adrenal in patients with ipsilateral colonic tumours avoids transgressing the planes for colorectal resection. The synchronous diagnosis of these two rare conditions and the reported stimulatory effect of catecholamines on colorectal epithelia raise the possibility of an increased incidence of colorectal neoplasia in patients with phaeochromocytoma. PMID- 29203999 TI - Precocious Paratesticular Metastasis From Well-Differentiated Neuroendocrine Tumour of Ileocaecal Junction: A Case Report and Review. PMID- 29204000 TI - Malignant Gastrointestinal Neuroectodermal Tumor: a Unique Rare Neoplasm. AB - Malignant gastrointestinal neuroectodermal tumor (GNET) is a rare malignant tumor. It is also referred to as clear cell sarcoma-like gastrointestinal tumor (CCSLGT). It is an aggressive tumor with a high rate of local recurrence, metastases, and early death from disease. Its pathogenesis is not known. It shows evidence of neural differentiation and lacks immunohistochemical and ultrastructural evidence of melanocytic differentiation. It needs to be distinguished from various mimickers owing to its aggressive course. Herein, we report a case of GNET in a 55-year-old female patient. PMID- 29204001 TI - Primary Mucin Secreting Adenocarcinoma Bladder: a Case Series. AB - Primary mucinous adenocarcinoma is an extremely rare type of bladder cancer. These tumours may have varied presenting complains with isolated mucusuria in some patients. As it is difficult to differentiate primary from secondary tumours, it is often a diagnostic dilemma. We narrate three cases of primary mucinous adenocarcinoma bladder and try to bring out the clinical and pathological features unique to this tumour along with the diagnostic importance of immunohistochemistry. PMID- 29204002 TI - Tailoring the Best Technique in the Surgical Management of IVC Thrombosis. PMID- 29204003 TI - Reoperation in Spinal Dysraphism. PMID- 29204004 TI - Neurocardiology and Atherosclerosis: The Effect of Ethnic Differences on Heart brain Interaction. PMID- 29204005 TI - Is Indocyanine Green Videoangiography a Good Substitute for Postoperative Digital Subtraction Angiography. PMID- 29204006 TI - Knowledge, Attitude, and Practice among Practitioners Regarding Epilepsy in Bhutan: A Rural and a Remote Country. AB - Purpose: Epilepsy is a major neurological disorder with many countries as scientifically silent and little-to-nothing known on various aspects of epilepsy. Methods: Taking background of a first multinational seminar on epilepsy in Bhutan and a short valid questionnaire pertaining to various aspects of epilepsy, before participation. Results: Large participation was achieved (76 out of 87 approached, 87.3%; 53.0% males). Based on the responses of 76.0% lecturers and clinician and medical administration, 21.0% nurses, and 3.0% traditional practitioners, important derivations were obtained: positively, (a) event provided at least an opportunity to bring service providers at a common platform toward initiating particular epilepsy goals, (b) none regarded epilepsy as contagious or due to past sins, (c) all responded favorably to that "they found this event useful' and 'this event added something meaningful to them personally or professionally," (d) large participation indicated acceptance, need, and common interest among a number of stakeholders. Negatively, significant knowledge deficit was noted: for 38.4% electroencephalogram is essential for diagnosis, 48.0% responded with incorrect definition of epilepsy, etc. Conclusions: Events, such as this, provides, for scientifically silent countries, basis for not only bringing service providers to a common platform but also to discuss to initiate particular epilepsy goals, to provide additional professional knowledge for strengthening service development, and to determine need and social acceptance around epilepsy. Important knowledge deficit was identified which cannot be fully explained through lack of time or limited training. There might be a need to reappraise the approach to teaching medical professionals about epilepsy. PMID- 29204007 TI - How Long does Denervation Take in Poliomyelitis? Or is it a Lifetime?" AB - Background and Objective: This study aims to determine the period of reinnervation in patients with poliomyelitis. This research was conducted to identify the appearance of denervation potentials in patients with poliomyelitis as indicators for reinnervation. Materials and Methods: A total of 246 male patients with poliomyelitis were assessed electrophysiologically between 1988 and 2007. The mean age was 22.8 (18-42). It has been an average of 19.9 +/- 4.9 years since the beginning of complaints from the patients. Results: The patients had no complaints of newly developing muscle weakness, fatigue, muscle and joint pain, and difficulties in breathing and swallowing. Neurological examinations revealed the absence of myotomal pain and sensory loss. Upon assessment of the patients' limbs, the following findings were revealed: two patients had left upper and lower limb involvement, two patients had left upper and right lower limb involvement, 6 patients had left upper limb involvement, 12 patients had both lower limb involvement, 105 patients had left lower limb involvement, 1 patient had both upper limb involvement, 2 patients had right lower and upper limb involvement, 12 patients had right upper limb involvement, 6 patients had both lower limb involvement, 95 patients had right lower limb involvement, and 3 had all the three extremities affected. The needle electromyography revealed the presence of denervation potentials in 25.2% (62) of the patients. Conclusion: When poliovirus attacks the motor neuron, this neuron may be completely destroyed, damaged, or unaffected. Reinnervation occurs when nearby functioning motor units send out terminal axon sprouts to reinnervate the damaged muscle fibers. As a consequence of poliomyelitis, several muscle fibers become atrophic and fibrotic, but others continue to survive. This study showed that patients with a history of poliomyelitis experienced denervation with subsequent reinnervation for many years. PMID- 29204008 TI - A Clinical and Electrophysiological Study of Peripheral Neuropathies in Predialysis Chronic Kidney Disease Patients and Relation of Severity of Peripheral Neuropathy with Degree of Renal Failure. AB - Objective: To study the prevalence, clinical features, electrophysiological features, and severity of peripheral neuropathy in predialysis chronic kidney disease (CKD) patients with respect to severity of renal failure and presence of diabetes mellitus. Materials and Methods: Between May 2015 and December 2016, 200 predialysis CKD patients were assessed prospectively. Results: The prevalence of peripheral neuropathy in predialysis CKD patients in the present study was 45% based on clinical symptoms and 90% electrophysiologically. Mean age of 200 predialysis CKD patients who participated in the study was 53.2 +/- 13.2 years. One hundred and thirty-six (68%) patients were male and 64 (32%) patients were female. Mean duration of disease was 2.2 +/- 1.6 years. Nearly 45% patients of patients had asymptomatic peripheral neuropathy in the present study, which was more common in mild-to-moderate renal failure group. One hundred twenty-six patients (63%) had definite damage and 54 patients (27%) had early damage. In mild-to-moderate renal failure (n = 100) and severe renal failure patients (n = 100), 88% and 92% had significant peripheral neuropathy, respectively. Most common nerves involved were sural nerve, median sensory nerve, and ulnar sensory nerve. Diabetic patients (97%) showed more severe and high prevalence of peripheral neuropathy when compared to nondiabetic patients (83%). Most common patterns were pure axonal sensorimotor neuropathy and mixed sensorimotor neuropathy. Conclusion: Peripheral neuropathy is common in predialysis patients, prevalence and severity of which increases as renal failure worsens. Predialysis patients with diabetes show higher prevalence and severity of peripheral neuropathy when compared with nondiabetics. PMID- 29204010 TI - Predictors of Dropout from Outpatient Mental Health Services; A Study from Rohtak, India. AB - Context: Dropout from mental health services is problematic in both developed and developing nations and often leads to poor outcomes. There is a lack of hospital based studies assessing the factors responsible for treatment dropout from mental health services in Indian settings. This study aims to contribute in that direction by presenting a study done in a tertiary care hospital in North India. Methodology: This was a hospital-based retrospective chart review carried out on randomly selected 139 patients at a tertiary hospital from January 1, 2014, to June 30, 2014. For this chart review, an abstraction form was designed that recorded six sociodemographic variables, nine clinical factors, and two outcome variables (more than one follow-up and active follow-up till 6 months). Results: Out of 139 patients, 53 patients dropped out after the first visit and 105 patients dropped out by the end of 6 months. Lower education status (odds ratio [OR] = 8.2, 95% confidence interval [CI]: 2.30-29.50), severe mental illness (OR = 2.6, 95% CI: 1.05-6.49), and early referral to clinical psychologist (CP) (OR = 7.8, 95% CI: 1.87-6.49) were predictors of better rates of follow-up after first visit. Lower education status (OR = 4.9, 95% CI: 1.45-17.08), early referral to CP (OR = 5.8, 95% CI: 2.09-38.35), and previous treatment history (OR = 8.9, 95% CI: 1.97-17.52) were predictors of better rates of follow-up at the end of 6 months. Conclusion: The findings that education status, diagnosis, utilizing services of CP, and psychiatric services in past are correlated with dropout rates may be helpful in targeting patients who are more vulnerable to dropping out of care in the given setting. PMID- 29204009 TI - Outcome of Early versus Delayed Evacuation of Spontaneous Lobar Hematomas in Unconscious Adults. AB - Objective: To explore the difference in outcomes of medium-sized lobar hematomas evacuated in early versus delayed fashion among unconscious noncomatose individuals. Methods: A retrospective analysis of demographic, clinical, and radiological data of unconscious patients admitted with lobar hematomas during 18 years was performed. Time to surgery was compared in various patient variables and characteristics. Outcome groups (favorable and poor) were also compared to find out any association with surgery timing, as well as potential indicators of outcome and mortality. Results: The mean follow-up period in this study was 7.5 months after discharge. Two-thirds of the patients carried favorable prognosis at final follow-up with mortality (7.3%) included among poor cases. Time to surgery was not associated to any of the patient characteristics, except for international normalized ratio and associated chest problems which represented the main indicators of delayed surgery. Rebleeding after evacuation was associated with shorter time to surgery in clots <=35 cc but not in the whole group. Poor outcome was significantly associated with higher basal glucose levels, bigger hematomas, rebleeding after surgery, and delayed evacuation of clots >35 cc. The presence of mild intraventricular hemorrhage (IVH) per se was not associated with increased mortality or poor outcome; however, its volume was. Conclusion: Smaller lobar hematomas (<=35 cc) in unconscious adults (Glasgow Coma Scale 8-13) may be managed with initial conservative treatment, while larger hematomas (>35 cc) are better evacuated as early as possible. Basal glucose levels and volume of mild IVH should be considered in the future management planes. PMID- 29204011 TI - Effect of Scapular Stabilization Exercise during Standing on Upper Limb Function and Gait Ability of Stroke Patients. AB - Background: The purpose of this study was to determine the effect of scapular stabilization exercise during standing on a paretic side on upper limb function and gait ability of stroke patients. Methods: This study was a hospital-based, randomized controlled trial with a blinded assessor. A total of 17 patients with hemiplegic diagnosis after stroke were divided into two groups (9 patients in a study group and 8 patients in a control group). The study group received physical therapy and scapular stabilization exercise on a paretic side. Participants were subjected to initial evaluation before the treatment. Subjects were subsequently re-evaluated 4 and 8 weeks later to compare the changes. Measurements of hand function and gait ability were performed. Results: Based on multivariate analysis of variance for repeated-measures, there was a significant time effect for Timed Up and Go test (TUG) (F = 13.816, P = 0.000), Functional Gait Assessment (FGA) (F = 18.613, P = 0.000), and manual function test (MFT) (F = 16.777, P = 0.000). The group * time interaction effect was also significant for FGA (F = 4.966, P = 0.024) and MFT (F = 6.946, P = 0.003), but not for TUG test (F = 3.343, P = 0.069). Conclusion: Results of the present study indicated that scapular stabilization exercise during standing on a paretic side for 8 weeks had an effect on hand function and gait ability of hemiplegic patients after stroke. Further studies are needed to find the most proper exercise for stroke patients who have gait disability and upper limb dysfunction. PMID- 29204012 TI - Use of Preoperative Ependymal Enhancement on Magnetic Resonance Imaging Brain as a Marker of Grade of Glioma. AB - Objectives: Neural stem cells within the subventricular zone (SVZ) are thought to be responsible for the origin and the heterogeneous nature of the gliomas. The relationship of the gliomas to the SVZ can be appreciated as ependymal enhancement on contrast magnetic resonance imaging (MRI). This study evaluates the rate of ependymal enhancement and its association with the histopathological grade of gliomas. Patients and Methods: Seventy-five patients with radiological features of glioma were recruited. Preoperative MRI was evaluated for the presence of ependymal enhancement and fluid-attenuated inversion recovery (FLAIR) signal proximity of tumor to ependyma, and the association to grade was investigated. Results: Seventy-five patients studied showed a male predominance (62.66%) with a mean age of 44.91 +/- 13.64 years. Evidence of ependymal enhancement was positive in 24% (n = 18), 46.67% (n = 35) showed no evidence, and in 29.33% (n = 22), assessment was inconclusive. According to WHO grading, 76% (n = 57) were high-grade gliomas (HGGs) including Grade III (n = 17) and Grade IV (n = 40) and 24% (n = 18) were low-grade gliomas (LGGs) Grade II. HGGs were significantly associated with ependymal enhancement (P < 0.01) and FLAIR signal proximity to the ependyma (P < 0.001). Among HGGs, rate of ependymal enhancement and FLAIR signal proximity was more in Grade IV than Grade III but was not statistically significant (P > 0.05). Conclusion: SVZ is associated with HGGs. These MRI features can be helpful in predicting the tumor grade preoperatively and by including LGGs, the role of SVZ in the heterogeneous disease process of glioma can be studied as a whole, not only in the glioblastoma (GBM). PMID- 29204013 TI - A Family Study of Consanguinity in Children with Intellectual Disabilities in Barwani, India. AB - Background: Intellectual disability (ID) can be inherited in families through consanguineous marriage. The ID in an individual can be associated with the ID, epilepsy, and mental illness in their parents. Such connections can be seen more closely among consanguineous marriages in tribal and nontribal population in India. Objective: This study shows a few common patterns of the consanguineous relationship in the parents of children with ID in India. Materials and Methods: This is a case series research design. Extreme or deviant case sampling was applied. Data were collected in homes, camps, and clinical settings in the Barwani district of Madhya Pradesh, India. The patterns of consanguineous marriages and the relationship between children with ID and their relatives with ID, epilepsy, and mental illness were analyzed and reported with pedigree charts. Results: Multiple patterns of consanguineous marriages in tribal and nontribal populations were observed. ID was found to be associated in children with their relatives of the first, second, and third generations. Conclusion: ID may inherit in individuals from their relatives of the first, second, and third generations who have ID, epilepsy, or mental illness and married in the relationship. Appropriate knowledge, guidance, and counseling may be provided to potential couples before planning a consanguineous marriage. PMID- 29204014 TI - Mental Healthcare Delivery in Rural Greece: A 10-year Account of a Mobile Mental Health Unit. AB - Introduction: Patients living in rural and remote areas may have limited access to mental healthcare due to lack of facilities and socioeconomic reasons, and this is the case of rural areas in Eastern Europe countries. In Greece, community mental health service delivery in rural areas has been implemented through the development of the Mobile Mental Health Units (MMHUs). Methods: We present a 10 year account of the operation of the MMHU of the prefectures of Ioannina and Thesprotia (MMHU I-T) and report on the impact of the service on mental health delivery in the catchment area. The MMHU I-T is a multidisciplinary community mental health team which delivers services in rural and mountainous areas of Northwest Greece. Results: The MMHU I-T has become an integral part of the local primary care system and is well known to the population of the catchment area. By the end of 2016, the majority of patients (60%) were self-referred or family referred, compared to 24% in the first 2 years. Currently, the number of active patients is 293 (mean age 63 years, 49.5% are older adults), and the mean caseload for each member of the team is 36.6. A significant proportion of patients (28%) receive care with regular domiciliary visits, and the provision of home-based care was correlated with the age of the patients. Within the first 2 years of operation of the MMHU I-T hospitalizations of treatment, engaged patients were reduced significantly by 30.4%, whereas the treatment engagement rates of patients with psychotic disorders were 67.2% in 5 years. Conclusions: The MMHU I-T and other similar units in Greece are a successful paradigm of a low cost service which promotes mental health in rural, remote, and deprived areas. This model of care may be informative for clinical practice and health policy given the ongoing recession and health budget cuts. It suggests that rural mental healthcare may be effectively delivered by integrating generic community mental health mobile teams into the primary care system. PMID- 29204015 TI - Clinical Profile of Cognitive Decline in Patients with Parkinson's Disease, Progressive Supranuclear Palsy, and Multiple System Atrophy. AB - Background: There are very less data on the comparison between the cognitive profile in Parkinson's disease (PD) and Parkinson's-plus groups, especially in India. Aims: The aim of this study is to compare the cognitive profile across PD, progressive supranuclear palsy (PSP), and multiple system atrophy (MSA) groups and compare them using Mini-Mental State Examination (MMSE), frontal assessment battery (FAB), and verbal fluency tests. Settings and Design: This was a cross sectional study. Materials and Methods: MMSE, FAB, and verbal fluency tests were administered in a total of 73 patients constituting 22 patients in MSA, 26 patients in PD, and 25 patients in PSP group, respectively. Twenty-six participants both age- and gender-matched were enrolled in control group. Statistical Analysis: Statistical analysis was done using SPSS Version 20.0. Descriptive statistics were done to find out the mean and standard deviation of different variables. ANOVA was done for followed by post hoc Bonferroni test to assess the cognitive function in three groups. Results: ANOVA showed that there is a significant difference for MMSE scores (P = 0.038) being worse scores for PSP and maximum for MSA. A significant difference was found for FAB scores within three groups. There is a significant difference for FAB scores (P = 0.00003) being worse scores for PSP and highest scores obtained for PD. All the subtests of FAB test differed significantly except motor programming across MSA, PSP, and PD groups. Conclusions: Our data suggest that global cognitive impairment and executive dysfunction are worst in PSP among the three groups. Patients with MSA had significant cognitive decline as opposed to previous experience. FAB scores and verbal fluency tests are good tests to assess cognitive impairment in these diseases. Subsets of FAB score have significant differences but cannot help differentiating conclusively between these three diseases. PMID- 29204016 TI - Usefulness of Pulsed Arterial Spin Labeling Magnetic Resonance Imaging in New onset Seizure Patients and Its Comparison with Dynamic Susceptibility Contrast Magnetic Resonance Imaging. AB - Introduction: Dynamic susceptibility contrast (DSC) perfusion and pulsed arterial spin labeling (PASL) imaging are newer advanced magnetic resonance sequences which are capable of detecting vascular changes in patients with new-onset seizure disorder even when no significant abnormalities are visualized on conventional sequences. The purpose of our study is to establish utility of arterial spin labeling (ASL) in new-onset seizure patients and compare ASL with DSC perfusion sequence. Materials and Methods: Twenty-six patients coming to emergency department with new-onset seizure disorder were evaluated using DSC and ASL sequence. Perfusion asymmetry was assessed using region of interests taken at places where signal asymmetry was maximal. Results: PASL sequence showed focal vascular changes in form of hyperperfusion in four patients, hypoperfusion in nine patients, and normal perfusion in 13 patients. Altered perfusion whether hypo/hyperperfusion was detected in five out of 16 patients even when conventional sequences were normal. There was strong positive linear correlation between ASL and DSC with P = 0.001. Conclusion: Noninvasive PASL is capable of detecting vascular changes induced by seizure and is comparable to DSC sequence. Thus, it is recommended when there is a need for repeated evaluations; in follow up/therapy response assessment and when contrast administration is contraindicated. PMID- 29204017 TI - Clinical Evaluation and Diagnostic Utilities of Different Nerve Conduction Tests in 100 Patients with Carpal Tunnel Syndrome. AB - Background and Purpose: The purpose of the study is to determine whether the clinical profile of patients with carpal tunnel syndrome (CTS) has been same over the years with the help of routine and comparative electrodiagnostic tests. Methods: A prospective study of 100 patients with suspected CTS was conducted without controls. Three provocative maneuvers were performed. Routine and comparison nerve conduction tests were performed, i.e., second lumbrical interossei motor latency difference (2 LIMLD), digit 4 median-ulnar sensory latency difference (D4MUSLD), palm wrist distal sensory latency difference (PWDSLD), and digit 1 median-radial sensory latency difference (D1MRSLD). Data entry, analysis, and statistical evaluation were done using International Business Machines Corporation Statistical Package for the Social Sciences statistics package (IBM, SPSS). Results: A total of 195 hands of 100 patients met the criteria for CTS. Forty-three percentage of patients were homemakers. Considering the rapidly changing communication technology, we observed 84% patients had aggravation of symptoms with continuous long-term daily mobile phone use (>30 min per session per day). We noted positive Tinel's sign in only 25%. Phalen's sign was positive in 53 right hands with mean duration of 11.49s (standard deviation [SD] +/- 2.54 s) and was positive in 26 left hands with mean being 10.4 s (SD +/- 1.91 s). The mean motor distal latency of median was 4.67 ms (SD +/- 1.71 ms) and mean sensory distal latency of median was 3.24 ms (SD +/- 1 ms). On internal comparison testing, mean difference in 2 LIMLD was 0.7 +/- 0.3 ms, in D4MUSLD was 0.81 +/- 0.32, in PWDSLD was 0.71 +/- 0.20, and in D1MRSLD was 0.76 +/- 0.32. Conclusion: Further analysis of clinical profile needs to be done, and new risk or provoking factors should be analyzed in patients with CTS. PMID- 29204018 TI - Role of Biomarkers in Differentiating New-onset Seizures from Psychogenic Nonepileptic Seizures. AB - Introduction: Review of literature revealed very limited studies considering a combination of serum prolactin (PRL) and serum creatine kinase (CK) as markers for differentiating epileptic and psychogenic nonepileptic seizures (PNES). Therefore, in the present study, we analyzed the role of serum PRL and serum CK, individually and in combination. Methodology: This prospective study was conducted in a tertiary care medical teaching hospital over a period of 18 months. Patients aged over 15 years suspected to have new-onset seizures presenting within 5 h of ictus were included in this study. CK, serum PRL was measured at 0-1, 1-3, and 3-5 h after seizures. Results: Hundred subjects were studied for the role of serum PRL and serum CK in differentiating epileptic and PNES. The mean age was 42.24 years with a male:female ratio of 1.27:1. All patients of generalized tonic-clonic seizures (GTCS), who presented within 1 h, had elevated PRL, whereas 75% of patients with partial seizures had elevated PRL within 1 h of presentation. Nearly 91.66% of patients with GTCS who presented within 1 h had elevated CPK, whereas 70% of patients with partial seizures had elevated CPK. None of the patients diagnosed with PNES showed rise in either of the markers. Conclusion: In the present study, none of the patients with PNES showed raise in either serum PRL or CK. However, there was no correlation between the types of seizure and PRL or serum CK levels. PMID- 29204019 TI - Histologically Confirmed Intracranial Tumors Managed at Enugu, Nigeria. AB - Background: There is controversy about the global distribution of intracranial tumors (ICTs). The previous reports from Africa suggested low frequency and different pattern of distribution of brain tumors from what obtains in other continents. The limitations at that time, including paucity of diagnostic facilities and personnel, have improved. Objective: The objective of this study is to analyze the current trend and distribution of histology confirmed brain tumors managed in Enugu, in a decade. Methods: A retrospective analysis of ICTs managed between 2006 and 2015 at Memfys Hospital, Enugu. Only cases with conclusive histology report were analyzed. The World Health Organization ICT classification was used. Results: This study reviewed 252 patients out of 612 neuroimaging diagnosed brain tumors. Mean age was 42.8 years and male-to-female ratio was 1.2:1.0. Annual frequency increased from 11 in 2006 to 55 in 2015. Metastatic brain tumors accounted for 5.6%, and infratentorial tumors represented 16.3%. Frequency of the common primary tumors were meningioma (32.9%), glioma (23.8%), pituitary adenomas (13.5%), and craniopharyngioma (7.5%) (P = 0.001). Vestibular schwannoma accounted for 1.2%. Meningioma did not have gender difference (P = 0.714). Medulloblastoma, glioma, and craniopharyngioma were the most common pediatric tumors. About 8.7% presented unconscious (P < 0.001). There was no significant difference between radiology and histology diagnosis (P = 0.932). Conclusion: Meningioma is the most frequent tumor with increasing male incidence, but the frequency of glioma is increasing. Metastasis, acoustic schwannoma, lymphoma, and germ cell tumors seem to be uncommon. Late presentation is the rule. PMID- 29204020 TI - Predictors of In-hospital Mortality of Acute Ischemic Stroke in Adult Population. AB - Introduction: Stroke is the second most common cause of mortality worldwide. Data regarding the predictors of mortality of acute ischemic stroke are widely discordant. Identifying the predictors and providing the utmost care to a high risk patient is still an unmet need in middle- to low-income countries. We did this study to identify the predictor of in-hospital mortality of acute ischemic stroke. Materials and Methods: We conducted a retrospective study of patients with acute ischemic stroke presented to the tertiary care center in eastern Nepal from January 2012 to December 2016. We enrolled patients of age 18 years and older with acute ischemic stroke in this study. The primary outcome of the study was in-hospital mortality of enrolled patients. Predictors of mortality were analyzed by comparing the patients with acute ischemic stroke who had mortality with those who survived. Results: The mean age of enrolled patients was 66 years. Among 257, the in-hospital mortality rate was 20.5%. The patients with in hospital mortality had lower Glasgow coma scale (GCS) score (9 vs. 12, P < 0.001) compared to those who survived. During admission, a patient with in-hospital mortality had significantly lower arterial oxygen saturation (92 vs. 95, P < 0.001), higher pulse rate (91 vs. 83, P = 0.009), and higher respiratory rate (24 vs. 21, P < 0.001) than those patients with acute ischemic stroke who survived. Conclusion: Lower GCS score, baseline higher pulse rate, higher respiratory rate, and lower arterial oxygen saturation are the predictors of in-hospital mortality of adult with acute ischemic stroke. PMID- 29204021 TI - Cranioplasty Using Autoclaved Autologous Skull Bone Flaps Preserved at Ambient Temperature. AB - Context: Decompressive craniectomy followed by cranioplasty (CP) uses autologous craniectomy flaps or synthetic materials like titanium. Sterilization and preservation methods for the autologous bone flaps continue to be the surgeon's choice. Aim: This study aimed to assess the short-term as well as long-term clinical outcomes of CP using autoclaved autologous bone grafts. Settings and Design: This retrospective observational study was performed on patients admitted in a tertiary care teaching neurosurgery department. Patients and Methods: Seventy-two patients who underwent CP with autoclaved autologous skull flaps preserved under ambient conditions with strict aseptic precautions were included in the study. Statistical Analysis Used: Frequencies and percentages of the various characteristics before and after the surgery were tabulated. Continuous variables were summarized as means and standard deviations. Results: The primary CP had a satisfactory clinical outcome in 62 cases (86.11%). Osteomyelitis was observed in four patients (5.56%) nearly 2 months after the surgery. Radiologically significant bone resorption was noted in a single patient (1.39%) after 1 year. Five patients (6.94%) developed bone fragmentation or fracture, and the mean time taken for this was about 36 months. In all these ten cases, secondary CP was successfully done using a prefabricated, patient-specific titanium mesh. Conclusions: The efficacy and safety of the studied craniectomy flaps used for cranial reconstruction showed a good patient outcome. Further retrospective studies with larger cohorts and prospective case-control studies are essential so as to issue standard guidelines for sterilization and preservation of autologous bone flaps. PMID- 29204022 TI - Impact of Road Traffic Injury to Pediatric Traumatic Brain Injury in Southern Thailand. AB - Background: Motor vehicle is a major transportation in Southern Thailand as the result of road traffic injury and death. Consequently, severe disability and mortality in pediatric traumatic brain injury (TBI) were observed from traffic accident, particularly motorcycle accident. To identify the risk of intracranial injury in children, the association of treatment outcome with various factors including mechanisms of injury, clinical characteristics, and intracranial pathology can be assessed. Materials and Methods: This was a retrospective study conducted on children, who were younger than 15 years old with TBI and were enrolled from 2004 to 2015. Several clinically relevant issues were reviewed and statistically analyzed. Results: A total of 948 casualties were enrolled. Compared with falling down, the motorcycle accident was significantly associated with intracranial injury (odds ratio 1.73, 95% confidence interval [CI] 1.08 2.76). Other factors associated with intracranial injury were hemiparesis (odds ratio 5.69, 95% CI 1.44-22.36), positive of basal skull fracture signs (odds ratio 15.66, 95% CI 3.44-71.28), and fixed reaction to light of both pupils (odds ratio 5.74, 95% CI 1.71-19.23). Mortality found in thirty cases (3.2%). Furthermore, the risk of death correlated with motorcycle accident (P = 0.02) and severe head injury (P < 0.001). Neurosurgical intervention was not associated with outcome, but severe head injury, hemorrhagic shock, epidural, and subdural hematoma were impact factors. Conclusion: The findings demonstrate road traffic injury, especially motorcycle accident leading to brain injury and death. Prevention program is a necessary key to decrease mortality and disability in pediatric TBI. PMID- 29204023 TI - Trend of Neuropsychiatric Morbidity in Sub-Himalayan Region: An Audit of Retrospective Data Mining. AB - Background: There is a paradigm shift in health loss due to premature mortality and disability from neuropsychiatric disorders with major burden in low- and middle-income countries. Objective: To study the trend of admissions with neuropsychiatric and substance-use disorders in 3 years in psychiatry and medicine wards of tertiary care hospital in rural Himachal Pradesh. Methodology: A retrospective data mining was done from records of Inpatient wards of Dr. R. P. Government Medical College, Tanda, Himachal Pradesh, for the year 2013-2015. Demographic details and diagnosis of neuropsychiatric disorders, licit and illicit drug use, and their consequences in the form of hanging and poisoning were analyzed. Results: Majority of admissions were attributed to alcohol abuse which increased in 3 years significantly in the months of July-September (P = 0.02) and October-December (P = 0.00). Almost all cases of neuropsychiatric disorders and majority of poisoning (58.2%) were observed among females. The productive young and middle age group (21-40 years) was mostly affected by all cause neuropsychiatric disorders (80.9%) and presented with poisoning (66.2%). Illicit drug abuse was on increasing drift among females. Conclusion: Indoor admissions were attributed to alcohol use and poisoning while neuropsychiatric disorders and substance abuse were probably dealt with at outpatient level. Treatment pertaining to mental illnesses was sought in severe cases only. Data demonstrating population burden are needed urgently to address the barriers to treatment to reduce burden. PMID- 29204024 TI - Behavioral Problems and Intelligence Quotient Changes in Pediatric Epilepsy: A Case-Control Study. AB - Background: Epilepsy is the most common chronic neurological disease and has neurological impairment as an important comorbidity. Objective: To find behavioral problems and intelligence quotient (IQ) changes associated with epilepsy and to know the association of variables such as frequency, type of seizures, and duration of disease with cognitive impairment. Materials and Methods: A descriptive cross sectional study, consisting of 50 cases (patients of epilepsy) and 50 controls (other patients of same socioeconomic status) was conducted at S.P. Medical College, Bikaner. The patients were subjected to detailed clinical history, thorough examination, Pediatric Symptom Checklist, and Bhatia's Battery of Performance intelligence Test. Data analysis was carried out with the help of SPSS 22 software. Results: The prevalence of behavioral problems in generalized and partial seizure group was high (42% and 53.8%) as compared to control group (9%). Low IQ was present more in the patients (44%) of generalized and partial seizure group as compared with the control group, and results were statistically significant. Furthermore, behavioral problems were more in patients who were having more number of seizures (>=3 per year) with significant P values (chi2 = 5.067, P = 0.024). Conclusion: We conclusively found that behavioral problems and cognitive factors, apart from control of seizures, must be kept in mind to determine how well a child with epilepsy progresses toward independence. PMID- 29204025 TI - Sacroiliac Pain: A Clinical Approach for the Neurosurgeon. AB - Pain originating from sacroiliac joint may also cause pain in the lumbar and gluteal region in 15% of the population. The clinical manifestation represents a public health problem due to the great implications on the quality of life and health-related costs. However, this is a diagnosis that is usually ignored in the general clinical practice; probably because of the unknown etiology, making harder to rule out the potential etiologies of this pathology, or maybe because the clinical criteria that support this pathology are unknown. By describing several diagnostic techniques, many authors have studied the prevalence of this pathology, finding more positive data than expected; coming to the conclusion that even though there is no diagnostic gold standard yet, an important amount of cases might be detected by properly applying several tests at the physical examination. Thus, it is necessary to have knowledge of the physiopathology and clinical presentation so that diagnosis can be made to those patients that manifest this problem. We present a clinical approach for the neurosurgeon. PMID- 29204026 TI - Commentary. PMID- 29204027 TI - A Simplified Overview of World Health Organization Classification Update of Central Nervous System Tumors 2016. AB - After 8 years, an update of central nervous system (CNS) tumors was published in 2016 after 2007. First time ever, molecular markers along with histology have been used in classification of any tumor. Major changes are seen in glioma and medulloblastoma groups. Few entities have been added such as diffuse midline glioma, H3 K27M-mutant, RELA fusion-positive ependymoma, embryonal tumor with multilayered rosettes, C19MC-altered, and hybrid nerve sheath tumors. Few variants and patterns that no longer have diagnostic and/or biological relevance and have been deleted such as glioblastoma cerebri, protoplasmic and fibrillary astrocytoma, and cellular ependymoma. Other changes include deletion of term "primitive neuroectodermal tumor," addition of criterion of brain invasion in atypical meningioma, separation of melanotic schwannoma from other schwannoma, and combination of solitary fibrous tumors and hemangiopericytoma as one entity. There is also expansion of entities in nerve sheath tumors and hematopoietic/lymphoid tumors of the CNS. In this review article, we tried to review CNS tumors 2016 classification update in a simplified manner; comparing the differences between 2016 and 2007 CNS tumors classifications with brief description of important molecular markers and finally utility as well as challenges of this classification. PMID- 29204028 TI - Spontaneous Spinal Discitis and Spondylodiscitis: Clinicotherapeutic Remarks. PMID- 29204029 TI - Sir Hugh Cairns: The Neurosurgeon Who Introduced Crash Helmets. AB - Statistics prove that more Indians die in Road traffic related accidents than in wars. Prior to World War II, the death toll across the world used to be very high. It was at this juncture that a Military Neurosurgeon named Hugh Cairns introduced the compulsory wearing of crash helmets and brought about a reduction in mortality by more than 50%. Within a decade of introduction of crash helmets in Britain, the entire world followed suit. The results of his efforts are here for all of us to see. This innovative military neurosurgeon is credited as the one who introduced the concept of mobile neurosurgical units during world war and also the first proponent of usage of penicillin in war. His concepts in war surgery are still followed by militaries across the world. This article comes as a tribute to this great Neurosurgeon who helped in saving millions of lives. PMID- 29204030 TI - Symptoms of Neurotoxicity among Carpenters Living in Rural Ecuador: A Population based Study (The Atahualpa Project). AB - Background: There is no information on the prevalence of symptoms related to neurotoxicity among carpenters working in underserved populations. To assess the magnitude of the problem, we conducted a population-based study in Atahualpa, a rural Ecuadorian village, where most men work as carpenters under poor safety conditions. Methods: All men aged 40-75 years living in Atahualpa were identified during a door-to-door survey and evaluated with a general demographic questionnaire, the Q16 questionnaire, the depression axis of the Depression Anxiety Stress Scale-21, and the Montreal Cognitive Assessment (MoCA). Results: Among 230 participants, 63% were carpenters. Seventy participants (30%) had a positive Q16 questionnaire (>=6 points), which suggested neurotoxicity. In a logistic regression model adjusted for age, education, alcohol intake, symptoms of depression, and MoCA score, the proportion of Q16 positive persons was 39.1% for carpenters and 15.9% for noncarpenters (odds ratio: 3.53, 95% confidence interval: 1.75-7.15, P < 0.0001). In a generalized linear model, adjusted mean scores in the Q16 questionnaire were 4.9 for carpenters and 3.6 for noncarpenters (beta: 1.285, standard error: 0.347, P < 0.0001). There was no correlation between scores in the Q16 questionnaire and the MoCA (Pearson correlation coefficient = -0.02), and the only significant covariate in the multivariate linear model was age, with every 10 years of age difference contributing 0.64 points in the Q16 questionnaire. Conclusion: This study shows a high prevalence of symptoms associated with neurotoxicity among carpenters after adjusting for a number of confounders. Long-term exposure to toxic solvents is the most likely explanation to this finding. PMID- 29204031 TI - Intracranial Ossified Metaplastic Meningioma: Unusual Cause of Headache. PMID- 29204032 TI - Subarachnoid Hemorrhage Due to Ruptured Intracranial Aneurysm Arising from a Vertebral Artery-Bihemispheric Posterior Inferior Cerebellar Artery Bifurcation. AB - Although the anatomy of the posterior inferior cerebellar artery (PICA) is highly variable, a solitary PICA supplying both hemispheres of the cerebellum is rare. A 76-year-old woman presented with severe headache and subsequent loss of consciousness and was admitted to our hospital. Initial computed tomography showed subarachnoid hemorrhage. Three-dimensional digital subtraction angiography revealed a saccular aneurysm arising from the right vertebral artery (VA)-PICA bifurcation. The PICA branching from the right VA was enlarged, tortuous, and crossed the midline to supply both cerebellar hemispheres. This right PICA was interpreted as a bihemispheric PICA. Recognizing this variant preoperatively could help prevent complications of surgery. Careful follow-up studies are necessary in cases with bihemispheric PICA to monitor for the development of aneurysm at the junction between the bihemispheric PICA and the VA or the distal portion of the bihemispheric PICA. PMID- 29204033 TI - White Matter Changes in Corpus Callosum in a Patient with Idiopathic Normal Pressure Hydrocephalus. AB - Idiopathic normal pressure hydrocephalus (INPH) is characterized by the clinical triad of gait and cognitive dysfunction and urinary incontinence. Ventriculoperitoneal (VP) shunting is often required for treatment. Review of literature shows few case reports discussing benign magnetic resonance imaging (MRI) T2 hyperintense changes in the corpus callosum of NPH patients after shunting due to mechanical compression of the middle and posterior regions of the body against falx cerebri leading to ischemic demyelination. These changes can be a delayed phenomenon and may interfere with clinical evaluation and may lead to unnecessary procedures and investigations. We present a patient with NPH who was admitted to the neurocritical care unit in coma with quetiapine and trazodone overdose. Diffuse changes in the body of the corpus callosum were seen on MRI suspicious for acute vasogenic edema due to drug overdose. However, it was later determined to be due to the VP shunting for the NPH. We report this case to raise the awareness of neuroimaging changes in patients with NPH who have VP shunting. PMID- 29204034 TI - Chromosome 15 Duplication and Attention-Deficit Hyperactivity Disorder. AB - Chromosome 15 duplication has been associated with a number of psychiatric illnesses including psychosis and autism. However, literature on association with attention-deficit hyperactivity disorder (ADHD) is scant. This case report describes a patient with chromosome 15 duplication diagnosed with ADHD in our neurodevelopmental clinic. The possible biological underpinnings are discussed along with possible challenges in diagnosis and management. The need for better understanding ADHD as a behavioral phenotype in such cases along with need for tailored management strategies is emphasized. PMID- 29204035 TI - Commentary. PMID- 29204036 TI - Flow-diverting Stent-assisted Coil Embolization of a Ruptured Internal Carotid Artery Blister Aneurysm with the Pipeline Flex Embolization Device. AB - Internal carotid artery (ICA) blister aneurysms are rare and challenging to successfully treat, using contemporary surgical or endovascular approaches, without partial or complete compromise of the parent vessel. We describe the use of a resheathable flow diverter, the Pipeline Flex Embolization Device (PFED) to perform stent-assisted coiling of a ruptured supraclinoid ICA blister aneurysm in a 56-year-old female who presented with a high-grade subarachnoid hemorrhage (SAH). The first PFED was deployed across the aneurysm neck to jail a microcatheter within the aneurysm dome, and then, two small coils were delivered into the aneurysm. After removing the coiling microcatheter, the second PFED was telescoped into the first PFED. There were no postprocedural complications, and follow-up magnetic resonance angiography 15 months after embolization showed complete aneurysm obliteration. Flow-diverting stent-assisted coiling should be considered as a reconstructive, vessel-preserving, endovascular treatment option for appropriately selected patients with ruptured ICA blister aneurysms. However, future studies are necessary to assess the periprocedural safety in the setting of acute SAH. PMID- 29204037 TI - Staged Multimodality Treatment of a Large Ruptured Fusiform Supraclinoid Internal Carotid Artery Aneurysm: Microsurgical Clip-assisted Endovascular Coiling. AB - In the contemporary era of aneurysm management, large fusiform aneurysms presenting with subarachnoid hemorrhage (SAH) remain particularly challenging lesions to successfully manage. We describe a staged, multimodal treatment strategy for a 71-year-old patient who presented with a large ruptured fusiform aneurysm of the supraclinoid internal carotid artery (ICA) and a fetal posterior communicating artery which originated from the inferomedial aspect of the aneurysm. In the first stage, we performed a partial microsurgical clip reconstruction of the fusiform aneurysm and secured its rupture site, which was identified intraoperatively. This left two residual saccular components of the aneurysm, which were targeted with endovascular coiling in the same hospitalization after the patient had convalesced from the SAH and was beyond the vasospasm window. We believe that this combined approach of clip-assisted coiling can be employed instead of endovascular flow diversion or microsurgical bypass for appropriately selected patients with ruptured fusiform ICA aneurysms. PMID- 29204038 TI - Venous Sinus Stenting using Transcranial Access for the Treatment of Idiopathic Intracranial Hypertension in a Pediatric Patient. AB - A 4-year-old male with headaches, papilledema, intracranial hypertension, and bilateral transverse sinus (TS) stenosis underwent attempted percutaneous placement of a right TS stent. Stent deployment was not technically feasible due to the stiffness of the stent and tortuosity of the patient's jugular bulb. Therefore, the patient underwent hybrid endovascular stenting of the right TS using neuronavigation and direct access of the TS following a single burr hole craniectomy. Two Express 8 mm * 17 mm balloon-mounted stents were deployed into the right TS, which resulted in obliteration of the preexisting trans-stenosis pressure gradient and decreased intracranial parenchymal pressure as monitored through an intracranial pressure bolt. The patient's headaches and papilledema resolved, and follow-up imaging demonstrated no in-stent or stent-adjacent stenosis. This case demonstrates the feasibility of combining minimally invasive open surgical access to allow direct cannulation for venous sinus stenting. PMID- 29204039 TI - Commentary. PMID- 29204040 TI - Postepidural Spinal Intradural Arachnoid Cyst: A Rare Case Report. AB - Compression of the neural structures in spine by an intradural arachnoid cyst is a rare entity. At times such a cyst is an incidental finding. Spinal epidural injection is one of the few rare etiological factors for its development. Symptomatic cysts can present with variable neurological manifestations depending on the spinal level involved. This includes back pain, lower limb weakness, and sphincteric dysfunction. If asymptomatic, they can be followed radiologically. Surgical decompression along with a histological diagnosis is reserved for cysts that are enlarging, symptomatic or the ones for whom the diagnosis is uncertain. Incomplete excision of cyst wall or simple fenestration and decompression mandates close follow-up, clinically and radiologically for further recurrences. PMID- 29204041 TI - Delayed Visual Loss Following Transcranial Surgery for Tuberculum Sella Meningioma. AB - Postoperative visual loss is a dreaded complication following transcranial excision of tuberculum sella meningioma. Visual deterioration is commonly noticed immediately after surgery, and delayed deterioration after 72 h is uncommon. We report a case of delayed postoperative deterioration in a 48-year-old female and discuss the possible mechanisms. PMID- 29204042 TI - Papilledema: A Comprehensive Assessment. PMID- 29204043 TI - Simultaneous Convexity Meningioma and Prolactinoma. PMID- 29204044 TI - Intraventricular Bleed following Surgery for Giant Cystic Vestibular Schwannoma: A Rare Complication. PMID- 29204045 TI - Proprioceptive-Induced Reflex Postinfarct Seizures: A Rare Occurrence. PMID- 29204046 TI - International Neurosurgery Rotation in New Zealand: Analysis of Operative Experience. PMID- 29204047 TI - Friedreich Ataxia: Clinical Feature and Electrophysiological Symptoms. PMID- 29204048 TI - Hydrocephalus Caused by H3N2 Type A Influenza Virus or Cerebellopontine Angle Schwannoma? PMID- 29204049 TI - Commentary. PMID- 29204050 TI - Current and emerging pharmacological therapy for non-alcoholic fatty liver disease. AB - The main treatment of patients with non-alcoholic fatty liver disease (NAFLD) is life style modification including weight reduction and dietary regimen. Majority of patients are safely treated with this management and pharmacologic interventions are not recommended. However, a subgroup of NAFLD patients with non alcoholic steatohepatitis (NASH) who cannot achieve goals of life style modification may need pharmacological therapy. One major obstacle is measurement of histological outcome by liver biopsy which is an invasive method and is not recommended routinely in these patients. Several medications, mainly targeting baseline mechanism of NAFLD, have been investigated in clinical trials for treatment of NASH with promising results. At present, only pioglitazone acting as insulin sensitizing agent and vitamin E as an anti-oxidant have been recommended for treatment of NASH by international guidelines. Lipid lowering agents including statins and fibrates, pentoxifylline, angiotensin receptor blockers, ursodeoxycholic acid, probiotics and synbiotics are current agents with beneficial effects for treatment of NASH but have not been approved yet. Several emerging medications are in development for treatment of NASH. Obeticholic acid, liraglutide, elafibranor, cenicriviroc and aramchol have been tested in clinical trials or are completing trials. Here in, current and upcoming medications with promising results in clinical trial for treatment of NAFLD were reviewed. PMID- 29204051 TI - Intestinal epithelium, intraepithelial lymphocytes and the gut microbiota - Key players in the pathogenesis of celiac disease. AB - Celiac disease (CD) is a chronic immune-mediated disorder triggered by the ingestion of gluten in genetically predisposed individuals. Before activating the immune system, gluten peptides are transferred by the epithelial barrier to the mucosal lamina propria, where they are deamidated by intestinal tissue transglutaminase 2. As a result, they strongly bind to human leucocyte antigens (HLAs), especially HLA-DQ2 and HLA-DQ8, expressed on antigen-presenting cells. This induces an inflammatory response, which results in small bowel enteropathy. Although gluten is the main external trigger activating both innate and adaptive (specific) immunity, its presence in the intestinal lumen does not fully explain CD pathogenesis. It has been hypothesized that an early disruption of the gut barrier in genetically susceptible individuals, which would result in an increased intestinal permeability, could precede the onset of gluten-induced immune events. The intestinal barrier is a complex functional structure, whose functioning is dependent on intestinal microbiota homeostasis, epithelial layer integrity, and the gut-associated lymphoid tissue with its intraepithelial lymphocytes (IELs). The aim of this paper was to review the current literature and summarize the role of the gut microbiota, epithelial cells and their intercellular junctions, and IELs in CD development. PMID- 29204053 TI - Induction of precocious intestinal maturation in T-cell deficient athymic neonatal rats. AB - AIM: To investigate whether gut maturation could be induced precociously in an athymic T-cell deficient neonatal rat model. METHODS: Fourteen day-old athymic (nude) rats (NIH-Foxn1rnu) were gavaged with either phytohaemagglutinin - a lectin from red kidney beans (PHA); trypsin - a protease (Prot); or water - vehicle (control) as a single dose on one day or once a day for 3-day. The nude rats were either nurtured by their mothers or cross-fostered by conventional foster dams of the Sprague-Dawley strain from days 3-5 after birth. At 17 d of age, 72 h after administration of the first treatment, intestinal macromolecular permeability was tested in vivo, prior to euthanasia, after which blood and gut organs were sampled. RESULTS: Provocation with both, PHA and protease, resulted in increased gut growth and maturation in nude rat pups independent of nursing. Foetal-type enterocytes were replaced by non-vacuolated adult-type enterocytes in the distal small intestine epithelium. Decreased intestinal macromolecular permeability (gut closure) was observed, with reduced permeability markers (BIgG and BSA, P < 0.001) in circulation. Increased pancreatic function, with an increased trypsin to protein ratio in pancreas homogenates, was observed independent of nursing in the nude pups. Immunostaining showed the presence of a few CD3+-cells in the intestinal mucosa of the nude pups. The number of CD3+ cells remained unaltered by provocation and no differences were observed between the nursing sets. Growth and vitality of the nude pups were dependent on nurturing, since cross-fostering by conventional dams increased their macromolecular absorptive capacity (BSA, P < 0.05), as well as their passive immunity (RIgG, P < 0.05). CONCLUSION: Precocious gut maturation can be induced by enteral provocation in athymic rat pups, similarly to in euthymic pups, thus showing an independence from thymus-derived T-cells. PMID- 29204052 TI - Pregnane X receptor and constitutive androstane receptor modulate differently CYP3A-mediated metabolism in early- and late-stage cholestasis. AB - AIM: To ascertain whether cholestasis affects the expression of two CYP3A isoforms (CYP3A1 and CYP3A2) and of pregnane X receptor (PXR) and constitutive androstane receptor (CAR). METHODS: Cholestasis was induced by bile duct ligation in 16 male Wistar rats; whereas 8 sham-operated rats were used as controls. Severity of cholestasis was assessed on histological examination of liver sections, and serum concentrations of albumin, AST, ALT, GGT, ALPK and bilirubin. Gene and protein expressions of PXR, CAR, CYP3A1 and CYP3A2 were assessed by means of qRT-PCR and Western blot, respectively. Alterations in CYP3A activity were measured by calculating the kinetic parameters of 4-OH and 1'-OH-midazolam hydroxylation, marker reactions for CYP3A enzymes. RESULTS: The mRNA and protein expression of CYP3A1 increased significantly in mild cholestasis (P < 0.01). At variance, mRNA and protein expression of CYP3A2 didn't change in mild cholestasis, whereas the expression and activity of both CYP3A1 and CYP3A2 decreased dramatically when cholestasis became severe. Consistently with these observations, the nuclear expression of both PXR and CAR, which was measured because they both translocate into the cell nucleus after their activation, virtually disappeared in the late stage of cholestatic injury, after an initial increase. These results indicate that early- and late-stage cholestasis affects CYP3A-mediated drug metabolism differently, probably as consequence of the different activation of PXR and CAR. CONCLUSION: Early- and late-stage cholestasis affects CYP3A-mediated drug metabolism differently. PXR and CAR might be targeted therapeutically to promote CYP3A-mediated liver detoxification. PMID- 29204054 TI - Nuclear heat shock protein 110 expression is associated with poor prognosis and hyperthermo-chemotherapy resistance in gastric cancer patients with peritoneal metastasis. AB - AIM: To investigate the significance of heat shock protein 110 (HSP110) in gastric cancer (GC) patients with peritoneal metastasis undergoing hyperthermo chemotherapy. METHODS: Primary GC patients (n = 14) with peritoneal metastasis or positive peritoneal lavage cytology who underwent distal or total gastrectomy between April 2000 and December 2011 were enrolled in this study. The patients underwent postoperative intraperitoneal hyperthermo-chemotherapy using a Thermotron RF-8 heating device two weeks after surgery. We analyzed nuclear HSP110 expression in surgically resected tumors using immunohistochemistry. Additionally, the effect of HSP110 suppression on hyptherthermo-chemosensitivity was assessed in vitro in the MKN45 GC cell line using the HSP inhibitor KNK437. RESULTS: HSP110 immnohistochemical staining in 14 GC patients showed that five (35.7%) samples belonged to the low expression group, and nine (64.3%) samples belonged to the high expression group. Progression-free survival was significantly shorter in the HSP110 high-expression group than in the low expression group (P = 0.0313). However, no significant relationships were identified between HSP110 expression and the clinicopathological characteristics of patients. Furthermore, high HSP110 expression was not an independent prognostic factor in GC patients with peritoneal metastasis (P = 0.0625). HSP110 expression in MKN45 cells was suppressed by KNK437 at the hyperthermic temperature of 43 degrees C in vitro. Comparison of MKN45 cell proliferation in the presence and absence of KNK437 at 43 degrees C, revealed that proliferation was significantly decreased when HSP110 was inhibited by KNK437. Additionally, HSP110 suppression via HSP inhibitor treatment increased cellular sensitivity to hyperthermo-chemotherapy in vitro. CONCLUSION: The expression of nuclear HSP110 in GC patients might be a new marker of chemosensitivity and a therapeutic target for patients who are tolerant to existing hyperthermo-chemotherapies. PMID- 29204055 TI - Combined treatment of pancreatic cancer xenograft with 90Y-ITGA6B4-mediated radioimmunotherapy and PI3K/mTOR inhibitor. AB - AIM: To investigate the therapeutic effect of combined integrin alpha6beta4 targeted radioimmunotherapy (RIT) and PI3K/mTOR inhibitor BEZ235 in a pancreatic cancer model. METHODS: Phosphorylation of Akt, mTOR, the downstream effectors eukaryotic initiation factor 4E binding protein 1 (4EBP1) and S6 ribosomal protein (S6) were evaluated in BxPC-3 human pancreatic cancer cells treated with Yttrium-90 (90Y) labeled anti-integrin alpha6beta4 antibody (ITGA6B4) and BEZ235 by western blotting. The cytotoxic effect of BEZ235 was investigated using a colony formation assay. Therapeutic efficacy enhancement by oral BEZ235 administration was assessed using mice bearing BxPC-3 xenograft tumors. Tumor volume measurements and immunohistochemical analyses (cell proliferation marker Ki-67, DNA damage marker p-H2AX and p-4EBP1 staining) of tumors were performed for evaluation of combined treatment with 90Y-ITGA6B4 plus BEZ235, or each arm alone. RESULTS: We found that phosphorylation of Akt (p-Akt), 4EBP1 (p-4EBP1) and S6 (p-S6) was inhibited by BEZ235. Colony formation in BxPC-3 cells was additively suppressed by the combination of 90Y-ITGA6B4 and BEZ235. Pretreatment with BEZ235 before 90Y-ITGA6B4 exposure resulted in significant reduction of cells plating efficiency (PE) (0.54 +/- 0.11 vs 2.81 +/- 0.14 with 185 kBq/mL 90Y ITGA6B4 exposure, P < 0.01; 0.39 +/- 0.08 vs 1.88 +/- 0.09 with 370 kBq/mL 90Y ITGA6B4 exposure, P < 0.01) when 5 * 103 cells per dish were plated. In vivo, the combined treatment with 90Y-ITGA6B4 plus BEZ235 enhanced the inhibition of tumor growth and statistically significant differences of relative tumor volume were observed for 27 d after the treatment start date when compared with the 90Y ITGA6B4 single injection treatment (1.03 +/- 0.38 vs 1.5 +/- 0.15 at Day 27, P < 0.05), and for 41 d when compared with the BEZ235 treatment alone (1.8 +/- 0.7 vs 3.14 +/- 1.19 at Day 41, P < 0.05). Tumors from treatment groups showed reduction in volumes, decreased Ki-67-positive cells, increased p-H2AX-positive cells and decreased p-4EBP1 expression. CONCLUSION: The therapeutic efficacy of 90Y-ITGA6B4 RIT can be improved by combining with dual PI3K and mTOR inhibitor, BEZ235, in a pancreatic cancer model suggesting potential clinical application. PMID- 29204056 TI - Effects of Hemp seed soft capsule on colonic ion transport in rats. AB - AIM: To investigate the effect of Hemp seed soft capsule (HSCC) on colonic ion transport and its related mechanisms in constipation rats. METHODS: Sprague Dawley male rats were randomly divided into three groups: normal group, constipation group and HSSC group. Rats in the constipation and HSSC groups were administrated loperamide 3 mg/kg per day orally for 12 d to induce the constipation model. Then, the HSSC group was given HSSC 0.126 g/kg per day by gavage for 7 d. The normal and constipation groups were treated with distilled water. After the treatment, the fecal wet weight and water content were measured. The basal short-circuit current (Isc) and resistance were measured by an Ussing Chamber. Besides the in vivo drug delivery experiment above, an in vitro drug application experiment was also conducted. The accumulative concentrations of HSSC (0.1 mg/mL, 0.5 mg/mL, 1.0 mg/mL, 2.5 mg/mL, 5.0 mg/mL, 10.0 mg/mL and 25.0 mg/mL) were added to the normal isolated colonic mucosa and the Isc was recorded. Further, after the application of either ion (Cl- or HCO3-) substitution, ion channel-related inhibitor (N-phenylanthranilic acid, glybenclamide, 4,4 diisothiocyano-2,2-stilbenedisulfonic acid or bumetanide) or neural pathway inhibitor [tetrodotoxin (TTX), atropine, or hexamethonium], the Isc induced by HSSC was also measured. RESULTS: In the constipation group, the fecal wet weight and the water content were decreased in comparison with the normal group (P < 0.01). After the treatment with HSSC, the fecal wet weight and the water content in the HSSC group were increased, compared with the constipation group (P < 0.01). In the constipation group, the basal Isc was decreased and resistance was increased, in comparison with the normal group (P < 0.01). After the treatment with HSSC, the basal Isc was increased (P < 0.05) and resistance was decreased (P < 0.01) in the HSSC group compared with the constipation group. In the in vitro experiment, beginning with the concentration of 1.0 mg/mL, differences in Isc were found between the experimental mucosa (with HSSC added) and control mucosa. The Isc of experimental mucosa was higher than that of control mucosa under the same concentration (1.0 mg/mL, P < 0.05; 2.5-25 mg/mL, P < 0.01). After the Cl- or HCO3- removal and pretreated with different inhibitors (cAMP-dependent and Ca2+-dependent Cl- channels, Na+-K+-2Cl- cotransporter (NKCC), Na+-HCO3- cotransporter or Cl-/HCO3- exchanger inhibitor), there were differences between experimental mucosa and control mucosa; the Isc of experimental mucosa was lower than that of control mucosa under the same concentration (P < 0.05). Meanwhile, after pretreatment with neural pathway inhibitor (TTX, atropine, or hexamethonium), there were no differences between experimental mucosa and control mucosa under the same concentration (P > 0.05). CONCLUSION: HSSC ameliorates constipation by increasing colonic secretion, which is mediated via the coaction of cAMP-dependent and Ca2+-dependent Cl- channels, NKCC, Na+-HCO3- cotransporter or Cl-/HCO3- exchanger. PMID- 29204057 TI - Novel D-galactosamine-induced cynomolgus monkey model of acute liver failure. AB - AIM: To establish a simplified, reproducible D-galactosamine-induced cynomolgus monkey model of acute liver failure having an appropriate treatment window. METHODS: Sixteen cynomolgus monkeys were randomly divided into four groups (A, B, C and D) after intracranial pressure (ICP) sensor implantation. D-galactosamine at 0.3, 0.25, 0.20 + 0.05 (24 h interval), and 0.20 g/kg body weight, respectively, was injected via the small saphenous vein. Vital signs, ICP, biochemical indices, and inflammatory factors were recorded at 0, 12, 24, 36, 48, 72, 96, and 120 h after D-galactosamine administration. Progression of clinical manifestations, survival times, and results of H&E staining, TUNEL, and Masson staining were recorded. RESULTS: Cynomolgus monkeys developed different degrees of debilitation, loss of appetite, and jaundice after D-galactosamine administration. Survival times of groups A, B, and C were 56 +/- 8.7 h, 95 +/- 5.5 h, and 99 +/- 2.2 h, respectively, and in group D all monkeys survived the 144-h observation period except for one, which died at 136 h. Blood levels of ALT, AST, CK, LDH, TBiL, Cr, BUN, and ammonia, prothrombin time, ICP, endotoxin, and inflammatory markers [(tumor necrosis factor (TNF)-alpha, interleukin (IL) 1beta, and IL-6)] significantly increased compared with baseline values in different groups (P < 0.05). Pathological results showed obvious liver cell necrosis that was positively correlated with the dose of D-galactosamine. CONCLUSION: We successfully established a simplified, reproducible D galactosamine-induced cynomolgus monkey model of acute liver failure, and the single or divided dosage of 0.25 g/kg is optimal for creating this model. PMID- 29204058 TI - Diversity of bacterial lactase genes in intestinal contents of mice with antibiotics-induced diarrhea. AB - AIM: To investigate the diversity of bacterial lactase genes in the intestinal contents of mice with antibiotics-induced diarrhea. METHODS: Following 2 d of adaptive feeding, 12 specific pathogen-free Kunming mice were randomly divided into the control group and model group. The mouse model of antibiotics-induced diarrhea was established by gastric perfusion with mixed antibiotics (23.33 mL.kg 1.d-1) composed of gentamicin sulfate and cephradine capsules administered for 5 days, and the control group was treated with an equal amount of sterile water. Contents of the jejunum and ileum were then collected and metagenomic DNA was extracted, after which analysis of bacterial lactase genes using operational taxonomic units (OTUs) was carried out after amplification and sequencing. RESULTS: OTUs were 871 and 963 in the model group and control group, respectively, and 690 of these were identical. There were significant differences in Chao1 and ACE indices between the two groups (P < 0.05). Principal component analysis, principal coordination analysis and nonmetric multidimensional scaling analyses showed that OTUs distribution in the control group was relatively intensive, and differences among individuals were small, while in the model group, they were widely dispersed and more diversified. Bacterial lactase genes from the intestinal contents of the control group were related to Proteobacteria, Actinobacteria, Firmicutes and unclassified bacteria. Of these, Proteobacteria was the most abundant phylum. In contrast, the bacterial population was less diverse and abundant in the model group, as the abundance of Bradyrhizobium sp. BTAi1, Agrobacterium sp. H13-3, Acidovorax sp. KKS102, Azoarcus sp. KH32C and Aeromonas caviae was lower than that in the control group. In addition, of the known species, the control group and model group had their own unique genera, respectively. CONCLUSION: Antibiotics reduce the diversity of bacterial lactase genes in the intestinal contents, decrease the abundance of lactase gene, change the lactase gene strains, and transform their structures. PMID- 29204059 TI - Potential rat model of anxiety-like gastric hypersensitivity induced by sequential stress. AB - AIM: To establish a rat model of anxiety-like gastric hypersensitivity (GHS) of functional dyspepsia (FD) induced by novel sequential stress. METHODS: Animal pups were divided into two groups from postnatal day 2: controls and the sequential-stress-treated. The sequential-stress-treated group received maternal separation and acute gastric irritation early in life and restraint stress in adulthood; controls were reared undisturbed with their mothers. Rats in both groups were followed to adulthood (8 wk) at which point the anxiety-like behaviors and visceromotor responses to gastric distention (20-100 mmHg) and gastric emptying were tested. Meanwhile, alterations in several anxiety-related brain-stomach modulators including 5-hydroxytryptamine (5-HT), gamma-aminobutyric acid (GABA), brain-derived neurotrophic factor (BDNF) and nesfatin-1 in the rat hippocampus, plasma and gastric fundus and the 5-HT1A receptor (5-HT1AR) in the hippocampal CA1 subfield and the mucosa of the gastric fundus were examined. RESULTS: Sequential-stress-treated rats simultaneously demonstrated anxiety-like behaviors and GHS in dose-dependent manner compared with the control group. Although rats in both groups consumed similar amount of solid food, the rate of gastric emptying was lower in the sequential-stress-treated rats than in the control group. Sequential stress significantly decreased the levels of 5-HT (51.91 +/- 1.88 vs 104.21 +/- 2.88, P < 0.01), GABA (2.38 +/- 0.16 vs 5.01 +/- 0.13, P < 0.01) and BDNF (304.40 +/- 10.16 vs 698.17 +/- 27.91, P < 0.01) in the hippocampus but increased the content of nesfatin-1 (1961.38 +/- 56.89 vs 1007.50 +/- 33.05, P < 0.01) in the same site; significantly decreased the levels of 5-HT (47.82 +/- 2.29 vs 89.45 +/- 2.61, P < 0.01) and BDNF (257.05 +/- 12.89 vs 536.71 +/- 20.73, P < 0.01) in the plasma but increased the content of nesfatin-1 in it (1391.75 +/- 42.77 vs 737.88 +/- 33.15, P < 0.01); significantly decreased the levels of 5-HT (41.15 +/- 1.81 vs 89.17 +/- 2.31, P < 0.01) and BDNF (226.49 +/- 12.10 vs 551.36 +/- 16.47, P < 0.01) in the gastric fundus but increased the content of nesfatin-1 in the same site (1534.75 +/- 38.52 vs 819.63 +/- 38.04, P < 0.01). The expressions of 5-HT1AR in the hippocampal CA1 subfield and the mucosa of the gastric fundus were down-regulated measured by IHC (Optical Density value: Hippocampus 15253.50 +/- 760.35 vs 21149.75 +/- 834.13; gastric fundus 15865.25 +/- 521.24 vs 23865.75 +/- 1868.60; P < 0.05, respectively) and WB (0.38 +/- 0.01 vs 0.57 +/- 0.03, P < 0.01) (n = 8 in each group). CONCLUSION: Sequential stress could induce a potential rat model of anxiety-like GHS of FD, which could be used to research the mechanisms of this intractable disease. PMID- 29204060 TI - Post-colonoscopy colorectal cancer rate in the era of high-definition colonoscopy. AB - AIM: To investigate the post-colonoscopy colorectal cancer (PCCRC) rate for high definition (HD) colonoscopy compared with that for standard-definition colonoscopy reported previously. METHODS: Using medical records at Sano Hospital (SH) and Dokkyo Medical University Koshigaya Hospital (DMUKH), we retrospectively obtained data on consecutive patients diagnosed as having CRC between January 2010 and December 2015. The definition of PCCRC was diagnosis of CRC between 7 and 36 mo after initial high-definition colonoscopy that had detected no cancer, and patients were divided into a PCCRC group and a non-PCCRC group. The primary outcome was the rate of PCCRC for HD colonoscopy. The secondary outcomes were factors associated with PCCRC and possible reason for occurrence of early and advanced PCCRC. RESULTS: Among 892 CRC patients, 11 were diagnosed as having PCCRC and 881 had non-PCCRC. The PCCRC rate was 1.7% (8/471) at SH and 0.7% (3/421) at DMUKH. In comparison with the non-PCCRC group, the PCCRC group had a significantly higher preponderance of smaller tumors (39 mm vs 19 mm, P = 0.002), a shallower invasion depth (T1 rate, 25.4% vs 63.6%, P = 0.01), a non-polypoid macroscopic appearance (39.0% vs 85.7%, P = 0.02) and an earlier stage (59.7% vs 90.9%, P = 0.03). Possible reasons for PCCRC were "missed or new" in 9 patients (82%), "incomplete resection" in 1 (9%), and "inadequate examination'" in 1 (9%). Among 9 "missed or new" PCCRC, the leading cause was non-polypoid shape for early PCCRC and blinded location for advanced PCCRC. CONCLUSION: The PCCRC rate for HD colonoscopy was 0.7%-1.7%, being lower than that for standard-definition colonoscopy (1.8%-9.0%) reported previously employing the same methodology. PMID- 29204061 TI - Right- and left-sided colorectal cancers respond differently to traditional Chinese medicine. AB - AIM: To explore the differences in the responses of left-sided colorectal cancer (LSCRC) and right-sided colon cancer (RSCC) to traditional Chinese medicine (TCM). METHODS: Patients with postoperative stage I-III colorectal cancer (CRC) were enrolled and divided into the LSCRC with or without TCM and RSCC with or without TCM groups depending on the primary tumor side and TCM administration. Patients in the TCM group were given TCM for at least 6 mo. Our research adopted disease-free survival (DFS) as the primary endpoint. We applied a Cox proportional hazards regression model for the multivariate factor analysis using Stata 12.0 and SPSS 22.0 software for data analysis. RESULTS: Of the 817 patients included in our study, 617 had LSCRC (TCM group, n = 404; Non-TCM group, n = 213), and 200 had RSCC (TCM group, n = 132; Non-TCM group, n = 68). The 6-year DFS for patients with LSCRC was 56.95% in the TCM group and 41.50% in the Non-TCM group (P = 0.000). For patients with RSCC, the 6-year DFS was 52.92% in the TCM group and 37.19% in the Non-TCM group (P = 0.003). Differences between LSCRC and RSCC were not statistically significant regardless of TCM ingestion. CONCLUSION: Patients with either LSCRC or RSCC and who took TCM experienced longer DFS; furthermore, patients with RSCC benefited more from TCM in DFS. PMID- 29204062 TI - Hepatitis B virus outreach to immigrant population in Greater Boston Area: Key to improving hepatitis B knowledge. AB - AIM: To characterize the understanding of hepatitis B virus (HBV) and determine if outreach improves HBV understanding among Greater Boston Area immigrants. METHODS: Six outreach sessions were held in various community venues in the Greater Boston Area. Verbal consent was obtained from participants prior to starting each session. Each session included a pre-session questionnaire, followed by a teaching session, and then a post-session questionnaire. In person interpreters were present for translation during the teaching session and assistance for questionnaire completion when needed. The questions were developed based on the HBV clinical experience of physicians who serve largely immigrant populations. Questionnaires included Likert-type scale, open-ended, and true false questions. All results were anonymous. RESULTS: One hundred and one people participated in this study. Participants were 30% male with ages ranging from 19 to 87 years. The study population included immigrants from 21 countries, as well as seven United States-born participants. The greatest numbers of participants were from Somalia (44%), Morocco (10%), and Cameroon (8%). Pre session questionnaires revealed that 42% of participants were unaware that HBV can cause cancer, and 50% were unaware that therapies for HBV exist. Our brief teaching intervention led to improved scores on post session questionnaires. For example, at baseline, 58% of participants responded correctly to the question "HBV infection can cause scarring of the liver and liver cancer", whereas 79% of participants responded correctly after the teaching session (P = 0.01). Furthermore, the mean of total correct answers in the true or false portion of the questionnaire increased from 5.5 to 7.6 (P < 0.001). CONCLUSION: A teaching session targeting Boston Immigrants at-risk for HBV helped improve scores on HBV knowledge questionnaires. Outreach may empower at-risk patients to pro-actively seek HBV care. PMID- 29204063 TI - Predictors of healthcare-seeking behavior among Chinese patients with irritable bowel syndrome. AB - AIM: To analyze predictors of healthcare-seeking behavior among Chinese patients with irritable bowel syndrome (IBS) and their satisfaction with medical care. METHODS: Participating patients met IBS Rome III criteria (excluding those with organic diseases) and were enrolled in an IBS database in a tertiary university hospital. Participants completed IBS questionnaires in face-to-face interviews. The questionnaires covered intestinal and extra-intestinal symptoms, medical consultations, colonoscopy, medications, and self-reported response to medications during the whole disease course and in the past year. Univariate associations and multivariate logistic regression were used to identify predictors for frequent healthcare-seeking behavior (>= 3 times/year), frequent colonoscopies (>= 2 times/year), long-term medications, and poor satisfaction with medical care. RESULTS: In total, 516 patients (293 males, 223 females) were included. Participants' average age was 43.2 +/- 11.8 years. Before study enrollment, 55.2% had received medical consultations for IBS symptoms. Ordinary abdominal pain/discomfort (non-defecation) was an independent predictor for healthcare-seeking behavior (OR = 2.07, 95%CI: 1.31-3.27). Frequent colonoscopies were reported by 14.7% of patients (3.1 +/- 1.4 times per year). Sensation of incomplete evacuation was an independent predictor for frequent colonoscopies (OR = 2.76, 95%CI: 1.35-5.67). During the whole disease course, 89% of patients took medications for IBS symptoms, and 14.7% reported they were satisfied with medical care. Patients with anxiety were more likely to report dissatisfaction with medical care (OR = 2.08, 95%CI: 1.20-3.59). In the past year, patients with severe (OR = 1.74, 95%CI: 1.06-2.82) and persistent (OR = 1.66, 95%CI: 1.01-2.72) IBS symptoms sought medical care more frequently. CONCLUSION: Chinese patients with IBS present high rates of frequent healthcare-seeking behavior, colonoscopies, and medications, and low satisfaction with medical care. Intestinal symptoms are major predictors for healthcare-seeking behavior. PMID- 29204064 TI - Vaccinations in immunosuppressive-dependent pediatric inflammatory bowel disease. AB - AIM: To determine the vaccination rates in pediatric immunosuppression-dependent inflammatory bowel disease (IBD) and review the safety and efficacy of vaccinations in this population. METHODS: The electronic medical records from October 2009 to December 2015 of patients diagnosed with IBD at 10 years of age or younger and prescribed anti-tumor necrosis factor alpha (anti-TNF-alpha) therapy were reviewed for clinical history, medication history, vaccination history, and hepatitis B and varicella titers. Literature discussing vaccination response in IBD patients were identified through search of the MEDLINE database and reviewed using the key words "inflammatory bowel disease", "immunization", "vaccination", "pneumococcal", "varicella", and "hepatitis B". Non-human and non English language studies were excluded. Search results were reviewed by authors to select articles that addressed safety and efficacy of immunizations in inflammatory bowel disease. RESULTS: A total of 51 patients diagnosed with IBD prior to the age of 10 and receiving anti-TNF-alpha therapy were identified. Thirty-three percent of patients (17/51) had incomplete or no documentation of vaccinations. Sixteen case reports, cohort studies, cross-sectional studies, and randomized trials were determined through review of the literature to describe the safety and efficacy of hepatitis B, pneumococcal, and varicella immunizations in adult and pediatric patients with IBD. These studies showed that patients safely tolerated the vaccines without significant adverse effects. Importantly, IBD patients receiving immunosuppressive medications, particularly anti-TNF-alpha treatment, have decreased vaccine response compared to controls. However, the majority of patients are still able to achieve protective levels of specific antibodies. CONCLUSION: Immunizations have been shown to be well-tolerated and protective immunity can be achieved in patients with IBD requiring immunosuppressive therapy. PMID- 29204065 TI - Anal Cancer and Anal Cancer precursors in Women with a History of HPV-Related Dysplasia and Cancer. AB - The epidemiology of anal cancer in the U.S. has changed over the past 3 decades. During this period the incidence of anal cancer has increased among both men and women. Of note, women with a history of anogenital HPV infection are at higher risk than the general population for anal cancer. The increased risk ranged from increased incidence rate ratios ranging from 1.82 to 6.3 in women with a history of cervical cancer, to 4.2-16.4 in women with a history of prior cervical intraepithelial neoplasia 3 (CIN 3). In addition, studies describing screening women with a previous history of anogential HPV infection (including CIN 3) for anal HPV and anal pre-cancers demonstrate that the prevalence of anal HPV is measureable in this population. The prevalence of anal high grade squamous intraepithelial lesions (HSIL) in this population was relatively low, which may have been related to the fact that many of these studies had insufficient samples, and the numbers of patients undergoing HRA remain low. Future studies evaluating anal cancer screening strategies in this high-risk group are needed. PMID- 29204066 TI - Alcohol Use and Sexual Risk Behaviors among Adolescents with Psychiatric Disorders: A Systematic Review and Meta-Analysis. AB - Adolescents with psychiatric disorders appear to be at increased risk for acquiring HIV and other sexually transmitted infections; however, little is known about the prevalence of behavioral risk factors in this population. This meta analysis aimed to assess the prevalence of alcohol use and sexual risk behaviors among adolescents with psychiatric disorders. Electronic database searches identified studies sampling adolescents diagnosed with psychiatric disorders and assessing both alcohol and sexual risk behaviors. Fourteen studies sampling 3,029 adolescents with psychiatric disorders were included. The majority of adolescents with psychiatric disorders report alcohol use and sexual risk behaviors. Risk reduction interventions targeting these two behaviors are needed. PMID- 29204067 TI - Heterozygous mutation in OTX2 associated with early-onset retinal dystrophy with atypical maculopathy. AB - Purpose: Heterozygous mutations in OTX2 have been associated with a range of ocular and pituitary abnormalities. We report a novel heterozygous deletion in OTX2 underlying early-onset retinal dystrophy with atypical maculopathy. Methods: Clinical examination included electroretinography and multimodal retinal imaging. Molecular genetic testing was composed of next-generation sequencing of a panel of retinal dystrophy genes. Results: A now 17-year-old boy presented 12 years earlier with a history of progressively poor vision since birth, nyctalopia, and early-onset retinal dystrophy with atypical maculopathy. He also had bilateral microphthalmos and a slim prepubertal appearance; growth hormone levels were within normal ranges. Next-generation sequencing of a retinal dystrophy gene panel revealed a heterozygous deletion c.485delC (p.Pro162G.Infs*24) in exon 5 of OTX2. Conclusions: This second report of maculopathy associated with a heterozygous mutation in OTX2 confirms that mutations in OTX2 should be considered in the differential diagnosis of atypical hereditary maculopathy, with or without rod-cone dystrophy. PMID- 29204069 TI - The Role of Focal Laser in the Anti-Vascular Endothelial Growth Factor Era. AB - Introduction: To review important studies examining focal laser for diabetic macular edema (DME), to examine real-world data regarding actual treatments patients are receiving, to present long-term visual outcomes in real-world practice, and to suggest an evidence-based approach for the use of focal laser. Methods: This study is a review of landmark studies evaluating focal laser and pharmacologic therapy for DME. In addition, the authors include a retrospective review of 102 consecutive eyes of 53 patients in our practice setting in rural Alabama. A chart review was performed, and patients were included if they were diagnosed with DME and were treated with both focal laser and bevacizumab. Bevacizumab and focal laser were given on a "as needed basis" at the discretion of one treating physician (J.O.M.). Worse visual acuity or worsening macular edema were indications for additional treatment. Statistical analysis was performed using frequencies and percentages. Best-corrected visual acuity (BCVA) was recorded at baseline and at the end of treatment (mean of 5 years) in the medical record. Primary outcome measures were BCVA, patients with better than 20/40 BCVA, patients with worse than 20/200 BCVA, and patients with stable BCVA. Results: Anti-vascular endothelial growth factor (VEGF) therapies are the first line treatment for DME, but real-world claims data suggest that diabetic patients cannot come in for monthly injections as in large clinical trials. In our series, after a mean of 5 lasers and 5.5 injections, 90% of eyes had stable or better BCVA, 65% were >=20/40, and only 13% were <=20/200. Conclusions: Laser treatment for DME remains an important adjunctive therapy. PMID- 29204068 TI - alpha-adrenergic agonist brimonidine control of experimentally induced myopia in guinea pigs: A pilot study. AB - Purpose: To investigate the efficacy of alpha-adrenergic agonist brimonidine either alone or combined with pirenzepine for inhibiting progressing myopia in guinea pig lens-myopia-induced models. Methods: Thirty-six guinea pigs were randomly divided into six groups: Group A received 2% pirenzepine, Group B received 0.2% brimonidine, Group C received 0.1% brimonidine, Group D received 2% pirenzepine + 0.2% brimonidine, Group E received 2% pirenzepine + 0.1% brimonidine, and Group F received the medium. Myopia was induced in the right eyes of all guinea pigs using polymethyl methacrylate (PMMA) lenses for 3 weeks. Eye drops were administered accordingly. Intraocular pressure was measured every day. Refractive error and axial length measurements were performed once a week. The enucleated eyeballs were removed for hematoxylin and eosin (H&E) and Van Gieson (VG) staining at the end of the study. Results: The lens-induced myopia model was established after 3 weeks. Treatment with 0.1% brimonidine alone and 0.2% brimonidine alone was capable of inhibiting progressing myopia, as shown by the better refractive error (p=0.024; p=0.006) and shorter axial length (p=0.005; p=0.0017). Treatment with 0.1% brimonidine and 0.2% brimonidine combined with 2% pirenzepine was also effective in suppressing progressing refractive error (p=0.016; p=0.0006) and axial length (p=0.017; p=0.0004). The thickness of the sclera was kept stable in all groups except group F; the sclera was much thinner in the lens-induced myopia eyes compared to the control eyes. Conclusions: Treatment with 0.1% brimonidine alone and 0.2% brimonidine alone, as well as combined with 2% pirenzepine, was effective in inhibiting progressing myopia. The result indicates that intraocular pressure elevation is possibly a promising mechanism and potential treatment for progressing myopia. PMID- 29204070 TI - The characteristics and distribution of dentist workforce in Saudi Arabia: A descriptive cross-sectional study. AB - Background: The Kingdom of Saudi Arabia has shown steady growth in the dental workforce over the last 20 years. Although the number of dental colleges has significantly increased in the last decade, there is not any study so far that described the status of the licensed dentist workforce in the kingdom. The present study aimed to explore the demographic distribution and professional characteristics of licensed dentist workforce in Saudi Arabia. Methods: This was a descriptive cross-sectional study using the Saudi Commission for Health Specialties (SCFHS) database to identify the number of licensed dentists in Saudi Arabia as well as their professional and demographic characteristics as of December 2016. The data was categorized based on gender, nationality, dental specialty, health sector, geographic location, and professional rank. Results: The number of licensed dentists working in the kingdom as of December 2016 was 16887 dentists, and the vast majority of them are professionally registered as general dentists (70.27%). The percentage of general dentists among the professionally registered female dentists is significantly higher than their male counterparts (79.71% vs. 64.80%; P < 0.001). Only 22.08% of the dentists working in the kingdom are Saudi. Most of the dentist workforce in the kingdom are male (61.06%). The mean age of the Saudi dentists is slightly but significantly younger than non-Saudi dentists (37.7 vs. 40.7 years; P < 0.001). Over 80% of the Saudi dentists are working in the regions of Riyadh, Makkah, and Eastern province. About 66% of the Saudi dentists are working in the public health sector in comparison to only 20.46% of the non-Saudi dentists (P < 0.001). Conclusions: Most of the dental care in Saudi Arabia is provided by non-Saudi dentists in both private and public health sectors. With the rising unemployment rate among Saudi dentists, the governmental bodies that are responsible of dental labor market regulations such as the ministries of health, economy and planning, and labor should come up with a policy to gradually but carefully replace the non-Saudi dentists in both public and private sectors with Saudi dentists. PMID- 29204071 TI - The pharmaceutical applications of a biopolymer isolated from Trigonella foenum graecum seeds: Focus on the freeze-dried matrix forming capacity. AB - The aim of the present study was to evaluate the funtion of fenugreek seed mucilage (FSM) as potential matrix forming agent for orodispersible pharmaceutical lyophilisates. The FSM was isolated and characterized. FSM colloidal dispersions were prepared and the rheological evaluation was performed. Oral lyophilisates (OLs) with different FSM concentrations, containing meloxicam as model drug were prepared by freeze drying method. The OLs were characterized and compared to gelatin containing tablets, prepared under the same conditions. The FSM dispersions revealed shear thinning flow type. Based on colloidal dispersions' rheological properties, five FSM concentrations were taken forward to the lyophilization step. Completely dry and elegant tablets were obtained. Texture analysis indicated highly porous structures, confirmed by SEM analysis, which explain the fast disintegration properties. All the prepared tablets disintegrated in less than 47 s. The disintegration process was prolonged by the increase in FSM content, due to the high viscosity the polymer creates in aqueous media. FSM tablets presented longer disintegration times, as compared to gelatin tablets, but also higher crushing strength. Considering the fast disintegration and the high crushing strength, FSM is a good candidate as matrix forming agent for fast disintegrating dosage forms or other freeze-dried preparations. PMID- 29204072 TI - Comparative nutritional value and antimicrobial activities between three Euphorbia species growing in Saudi Arabia. AB - Plants are excellent sources of nutrition and highly bioactive substances that might use in the development of new drugs and pharmaceutical agents. Three species of the Genus Euphorbia (Family Euphorpiaceae), namely; Euphorbia granulata Forssk, Euphorbia helioscobia L., and Euphorbia hirta Linn growing in Ryiadh, KSA were air-dried, powdered, and their active materials were extracted with alcohol. The nutritional value phytochemical constituents and antimicrobial activity of the plants were determined. The chemical contents were similar in the three species; however, lipid profile of the plants showed that the stearic acid and lignoceric acid were detected only in E. helioscopia and E. hirta, while palmitoleic acid was detected only in E. hirta. The percentage of unsaturated fatty acid methyl esters were 52.48%, 69.39% and 66.52% in Euphorbia granulate, Euphorbia helioscobia, E. hirta, respectively. Three compounds, 1 ethoxypentacosane, heptacosan-1-ol and beta-sitosterol were isolated from the three plant extracts and identified using different spectroscopic analysis. The percentage of crude protein was 43.65%, 25.00% and 18.75% in E. granulata, E. helioscobia, and E. hirta, respectively. The free amino acids and amino acid composition were quantitatively determined using amino acid analyzer. All the plant extracts were active against bacterial and fungal test organisms, however, the antimicrobial activity were varied according to both the Euphorbia species and the test organism. PMID- 29204073 TI - Drive-thru pharmacy service: Assessments of awareness, perception and barriers among pharmacists in Jordan. AB - Objective: Drive-thru pharmacy services have become widely recognized service worldwide. Despite its proven success, there were doubts in its ability to maintain safe practice. Thus, the aim of the current study was to investigate the awareness, perception and barriers of drive-thru pharmacy services among pharmacists in Jordan. Methods: A cross-sectional study was conducted in Amman Jordan between February-May 2017. During the study period, 226 pharmacists were approached. Pharmacists were interviewed to assess their perception toward drive thru services, and to assess their opinions regarding the advantages and disadvantages of this system using validated questionnaire. Results: Although the majority of pharmacists reported that they were aware about the concept of drive thru pharmacy service (n = 194, 85.5%), but only 27.9% (n = 63) reported that they are willing to register with this service. The most important advantage of drive-thru pharmacy service was serving sick patients, elderly, disabled people or women with child in the car (n = 166, 88.0%). Most of pharmacists agreed that drive-thru pharmacy service may negatively affect the image of pharmacy profession (n = 168, 74.6%), and it makes pharmacists feel more like a fast food worker than a pharmacist (n = 147, 65.9%). Pharmacists working in chain community pharmacies showed better perception to drive-thru pharmacy service compared to pharmacists who are working in independent community pharmacies (p-value = 0.004). Conclusion: Most of the study pharmacists showed relatively poor perception toward drive-thru pharmacy service and were unwilling to use this service. More effort is needed to better introduce the concept of drive-thru pharmacy service among pharmacists in Jordan since the benefit of this service is well established across the world. PMID- 29204074 TI - Academic stress-induced changes in Th1- and Th2-cytokine response. AB - Psychological stress stimulates physiological responses releasing catecholamines and corticoids, which act via corresponding receptors on immune cells, producing a shift in the cytokine balance. These responses are variable depending on the nature of stressors. The effect of the academic stress on the production of the Th1-cytokines (TNF-alpha, IFN-gamma, IL-1beta, IL-2, IL-6 and IL-8) and Th2 cytokines (IL-1ra, IL-4, IL-5 and IL-10) on 35 medical/health sciences students after completing their questionnaires was investigated. Blood samples were taken at three stages; baseline stage at the beginning, midterm and final academic examination stages. Plasma cortisol and cytokines were measured during the three stages. The last two stages were compared with the baseline non-stress period. Results of the stress induced during the final examination stage were the highest with a significant increase in cortisol release, IL-4, IL-5 and IL-1ra release with a shift in Th1:Th2 cytokines balance towards Th2. Whereby, the midterm stage did not show significant reduction in Th1-cytokines except for TNF-alpha, with an increase in IFN-gamma level that was reduced in the third stage. Th2 cytokine, IL 1ra, had positive correlations with Th1 cytokines; IL-2 and IFN-gamma in the second stage and IL-6 cytokine in the third stage. Cortisol was positively correlated with IL-8 in the last stage and heart rates had negative correlation with IL-10 in the first and last stages. Findings of this study indicate that exam stress down-regulates Th1 with a selective up-regulation of Th2-cytokines. In conclusion, Cortisol might have a role in suppressing the release of Th1- mediated cellular immune response which could increase the vulnerability among the students to infectious diseases. PMID- 29204075 TI - Comparative anticancer and antimicrobial activity of aerial parts of Acacia salicina, Acacia laeta, Acacia hamulosa and Acacia tortilis grown in Saudi Arabia. AB - The standardized ethanol extract (EE) of aerial parts of four Acacia species [A. salicina (ASEE), A. laeta (ALEE), A. hamulosa (AHEE), and A. tortilis (ATEE)] were examined in order to compare their cytotoxic and antimicrobial activities. All the extracts were standardized by UPLC- PDA method using rutin as standard compound. The extracts ALEE, AHEE and ATEE were found to contain rutin along with several other phytoconstituents while rutin was absent in ASEE. All the extracts showed varying level of antimicrobial activity with zone of inhibition ranged from 11 to 21 mm against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Candida albicans. The ALEE and ATEE showed relatively high antimicrobial potency (MIC = 0.2 to 1.6 mg mL-1) in comparison to other extracts. All the extracts were found to reduce the biofilm of P. aeruginosa PAO1 strain significantly in comparison to the untreated control. The cytotoxic property of ASEE, ALEE, AHEE, ATEE were evaluated against HepG2 (Liver), HEK-293 (Kidney), MCF-7 (Breast) and MDA-MB 231 (Breast) cancer cells. Of these, ALEE, AHEE and ATEE exhibited moderate cytotoxic property against human liver carcinoma cells (HepG2; IC50 = 46.2, 39.2 and 42.3 MUg mL-1, respectively) and breast cancer cell lines (MCF-7; IC50 = 57.2, 55.3 and 65.7 MUg mL-1, respectively). The ATEE and ALEE showed moderate cytotoxicity against HEK-293 (kidney) cells with IC50 = 49.1 and 53.5 MUg mL-1, respectively. Since, Acacia species (A. laeta and A. hamulosa) contains numerous polyphenols which might prove to be highly cytotoxic and antimicrobial agents, we suggest that these species can be further subjected to the isolation of more cytotoxic and antimicrobial compounds. PMID- 29204076 TI - Editorial: Genomics and Functional Genomics of Stress-mediated Signaling in Plants: Volume I. PMID- 29204077 TI - A Functional Genomic Perspective on Drought Signalling and its Crosstalk with Phytohormone-mediated Signalling Pathways in Plants. AB - Introduction: Drought stress is one of the most important abiotic stresses that negatively influence crop performance and productivity. Plants acclimatize to drought stress conditions through altered molecular, biochemical and physiological responses. Gene and/or protein expression and regulation are thought to be modulated upon stress perception and signal transduction for providing requisite endurance to plants.Plant growth regulators or phytohormones are important molecules required for various biological processes in plants and are also central to stress signalling pathways. Among various phytohormones, Abscisic Acid (ABA) and Ethylene (ET) are considered to be the most vital growth regulators implicated in drought stress signalling and tolerance. Besides the above two known classical phytohormones, Salicylic Acid (SA) and Jasmonic Acid (JA) have also been found to potentially enhance abiotic stress tolerance particularly that of drought, salinity, and heat stress tolerance in plants. Apart from these several other growth regulators such as Cytokinins (CKs), Auxin (AUX), Gibberellic Acid (GA), Brassinosteroids (BRs) and Strigolactones (SLs) have also been reported to actively participate in abiotic stress responses and tolerance in plants. The abiotic stress signalling in plants regulated by these hormones further depends upon the nature, intensity, and duration of exposure to various environmental stresses. It has been reported that all these phytohormones are also involved in extensive crosstalk and signal transduction among themselves and/or with other factors. Conclusion: This review thus summarizes the molecular mechanism of drought signalling and its crosstalk with various phytohormone signalling pathways implicated in abiotic stress response and tolerance. PMID- 29204078 TI - Transcription Factors and Their Roles in Signal Transduction in Plants under Abiotic Stresses. AB - In agricultural production, abiotic stresses are known as the main disturbance leading to negative impacts on crop performance. Research on elucidating plant defense mechanisms against the stresses at molecular level has been addressed for years in order to identify the major contributors in boosting the plant tolerance ability. From literature, numerous genes from different species, and from both functional and regulatory gene categories, have been suggested to be on the list of potential candidates for genetic engineering. Noticeably, enhancement of plant stress tolerance by manipulating expression of Transcription Factors (TFs) encoding genes has emerged as a popular approach since most of them are early stress-responsive genes and control the expression of a set of downstream target genes. Consequently, there is a higher chance to generate novel cultivars with better tolerance to either single or multiple stresses. Perhaps, the difficult task when deploying this approach is selecting appropriate gene(s) for manipulation. In this review, on the basis of the current findings from molecular and post-genomic studies, our interest is to highlight the current understanding of the roles of TFs in signal transduction and mediating plant responses towards abiotic stressors. Furthermore, interactions among TFs within the stress responsive network will be discussed. The last section will be reserved for discussing the potential applications of TFs for stress tolerance improvement in plants. PMID- 29204080 TI - Genomics of Metal Stress-Mediated Signalling and Plant Adaptive Responses in Reference to Phytohormones. AB - Introduction: As a consequence of a sessile lifestyle, plants often have to face a number of life threatening abiotic and biotic stresses. Plants counteract the stresses through morphological and physiological adaptations, which are imparted through flexible and well-coordinated network of signalling and effector molecules, where phytohormones play important role. Hormone synthesis, signal transduction, perception and cross-talks create a complex network. Omics approaches, which include transcriptomics, genomics, proteomics and metabolomics, have opened new paths to understand such complex networks. Objective: This review concentrates on the importance of phytohormones and enzymatic expressions under metal stressed conditions. Conclusion: This review sheds light on gene expressions involved in plant adaptive and defence responses during metal stress. It gives an insight of genomic approaches leading to identification and functional annotation of genes involved in phytohormone signal transduction and perception. Moreover, it also emphasizes on perception, signalling and cross talks among various phytohormones and other signalling components viz., Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS). PMID- 29204083 TI - Salinity Tolerance Mechanism of Osmotin and Osmotin-like Proteins: A Promising Candidate for Enhancing Plant Salt Tolerance. AB - Introduction: Salt stress is one of the most important abiotic stress factors which severely affect agricultural production. Osmotins and OLPs (osmotin like proteins) are kinds of proteins which were produced during plant adapting to the environmental stress. Objective: These proteins were closely related to osmotic regulation and resistance stress. They are widely distributed in plants. Their expression for these genes was induced by salt stress, which played important roles in plants responding to salt stress. Conclusion: During salt stress, osmotin can help accumulate proline, and quench reactive oxygen species and free radicals. PMID- 29204079 TI - An Overview of Signaling Regulons During Cold Stress Tolerance in Plants. AB - Plants, being sessile organisms, constantly withstand environmental fluctuations, including low-temperature, also referred as cold stress. Whereas cold poses serious challenges at both physiological and developmental levels to plants growing in tropical or sub-tropical regions, plants from temperate climatic regions can withstand chilling or freezing temperatures. Several cold inducible genes have already been isolated and used in transgenic approach to generate cold tolerant plants. The conventional breeding methods and marker assisted selection have helped in developing plant with improved cold tolerance, however, the development of freezing tolerant plants through cold acclimation remains an unaccomplished task. Therefore, it is essential to have a clear understanding of how low temperature sensing strategies and corresponding signal transduction act during cold acclimation process. Herein, we synthesize the available information on the molecular mechanisms underlying cold sensing and signaling with an aim that the summarized literature will help develop efficient strategies to obtain cold tolerant plants. PMID- 29204082 TI - Looking at Halophytic Adaptation to High Salinity Through Genomics Landscape. AB - Soil salinity is an important stress factor that limits plant growth and productivity. For a given plant species, it is critical to sense and respond to salt stimuli followed by activation of multitude of mechanisms for plants to survive. Halophytes, the wonders of saline soils, have demonstrated ability to withstand and reproduce in at least 200 mM NaCl concentration, which makes them an ideal system to study mechanism of salt adaptation for imparting salt tolerance in glycophytes. Halophytes and salt sensitive glycophytes adapt different defense strategies towards salinity stress. These responses in halophytes are modulated by a well orchestrated network of signaling pathways, including calcium signaling, reactive oxygen species and phytohormones. Moreover, constitutive expression of salt stress response related genes, which is only salt inducible in glycophytes, maintains salt tolerance traits in halophytes. The focus of this review is on the adaptive considerations of halophytes through the genomics approaches from the point of view of sensing and signaling components involved in mediating plant responses to salinity. PMID- 29204081 TI - Recent Advances in Substrate Identification of Protein Kinases in Plants and Their Role in Stress Management. AB - Protein phosphorylation-dephosphorylation is a well-known regulatory mechanism in biological systems and has become one of the significant means of protein function regulation, modulating most of the biological processes. Protein kinases play vital role in numerous cellular processes. Kinases transduce external signal into responses such as growth, immunity and stress tolerance through phosphorylation of their target proteins. In order to understand these cellular processes at the molecular level, one needs to be aware of the different substrates targeted by protein kinases. Advancement in tools and techniques has bestowed practice of multiple approaches that enable target identification of kinases. However, so far none of the methodologies has been proved to be as good as a panacea for the substrate identification. In this review, the recent advances that have been made in the identifications of putative substrates and the implications of these kinases and their substrates in stress management are discussed. PMID- 29204085 TI - Immune complex negatively regulates toll-like receptor 3-triggered tumour necrosis factor alpha production in B cells. AB - Inappropriate activation of toll-like receptor 3 (TLR3) has been implicated in the pathogenesis of autoimmune diseases, so the negative regulation of TLR3 triggered immune response has received increasing attention. Nonpathogenic immune complex (IC) has been used as treatment for many inflammatory and autoimmune diseases. However, the role of IC in the regulation of TLR3-triggered immune responses and the underlying mechanisms need to be investigated. In this study we demonstrate that IC or intravenous immunoglobulin (Ig) stimulation of B cells attenuates polyinosinic:polycytidylic acid (poly I:C)-induced CD40 expression; IC, but not Ig, can significantly inhibit poly I:C-induced pro-inflammatory tumour necrosis factor alpha (TNF-alpha) production by B cells. Moreover, IC/Ig stimulation does not alter the expression of TLR3 in B cells. Further experiments suggest that receptor for the Fc portion of IgGIIb (FcgammaRIIb) is involved in the suppressive effect of IC on TLR3-mediated TNF-alpha production, but not CD40 expression. Thus, we provide a new means of negative regulation of TLR3-triggered immune responses in B cells via FcgammaRIIb, and we provide a new mechanistic explanation of the therapeutic effect of nonpathogenic IC on inflammatory or autoimmune diseases. PMID- 29204084 TI - Improving Salt Tolerance of Chickpea Using Modern Genomics Tools and Molecular Breeding. AB - Introduction: The high protein value, essential minerals, dietary fibre and notable ability to fix atmospheric nitrogen make chickpea a highly remunerative crop, particularly in low-input food production systems. Of the variety of constraints challenging chickpea productivity worldwide, salinity remains of prime concern owing to the intrinsic sensitivity of the crop. In view of the projected expansion of chickpea into arable and salt-stressed land by 2050, increasing attention is being placed on improving the salt tolerance of this crop. Considerable effort is currently underway to address salinity stress and substantial breeding progress is being made despite the seemingly highly-complex and environment-dependent nature of the tolerance trait. Conclusion: This review aims to provide a holistic view of recent advances in breeding chickpea for salt tolerance. Initially, we focus on the identification of novel genetic resources for salt tolerance via extensive germplasm screening. We then expand on the use of genome-wide and cost-effective techniques to gain new insights into the genetic control of salt tolerance, including the responsive genes/QTL(s), gene(s) networks/cross talk and intricate signalling cascades. PMID- 29204086 TI - Immunomodulatory effect of Moringa peregrina leaves, ex vivo and in vivo study. AB - This study was conducted to assess the in vivo and ex vivo immunomodulatory effect of the ethanol leaves extract of Moringa peregrina in Balb/c mice. For this study, five groups of 5 Balb/c mice were given a single acute subtoxic oral dose of the ethanolic extract at 1.13, 11.30, 23.40 and 113.4 mg/kg and the immunomodulatory effect was assessed on the 6th day following the ingestion. In the (non-functional) assessment, the effect of the extract on the body weight, relative lymphoid organ weight, splenic cellularity and peripheral blood hematologic parameters were evaluated. While in the immunomodulation assessment (functional), we investigated the effect of the extract on the proliferative capacity of splenic lymphocytes and peripheral T and B lymphocytes using mitogen blastogenesis, mixed allogeneic MLR and IgM-Plaque forming cells assays. The ingestion of M. peregrina extract caused a significant increase in the body weight, weight and number of cells of spleen and lymph nodes of the treated mice. Furthermore, the count of RBCs, WBCs, platelets, hemoglobin concentration and PCV % were increased by the extract treatment in a dose-dependent manner. M. peregrina enhanced the proliferative responses of splenic lymphocytes for both T cell and B-cell mitogens. Likewise, the mixed lymphocyte reaction MLR assay has revealed a T-cell dependent proliferation enhancement in the extract treated mice. Moreover, the oral administration of M. peregrina leaves extracts significantly increased PFCs/106 splenocytes in a dose-dependent manner. In conclusion, subtoxic acute doses of M. peregrina extract demonstrated significant potential as an immunomodulatory agent even at the lowest dose of 1.13 mg/kg. PMID- 29204087 TI - The effect of Aeromonas hydrophila infection on the non-specific immunity of blunt snout bream (Megalobrama amblycephala). AB - Aeromonas hydrophila is the main reason of epidemic septicaemia for freshwater fish. In the present study, the effect of Aeromonas hydrophila infection on the non-specific immunity of blunt snout bream (Megalobrama amblycephala) was studied. After Aeromonas hydrophila challenge, lysozyme activity was significantly increased at 4 h, 1 d, 3 d, 5 d, 14 d and 21 d. An increased level of lysozyme activity indicated a natural protective mechanism in fish. The significant increases of superoxide dismutase activity and catalase activity in treatment group were detected at 4 h, 1 d, 3 d, 5 d, 14 d and 21 d after Aeromonas hydrophila challenge. Increase in the superoxide anion and H2O2 is considered to be beneficial for self-protection from disease. Acid phosphatase activity increased significantly at 1 d, 3 d and 5 d after Aeromonas hydrophila challenge. Alkaline phosphatase activity in treatment group showed significant increase at 4 h, 1 d, 3 d, 5 d, 14 d and 21 d compared to control group. Increased phosphatase activity indicates higher breakdown of the energy reserve, which is utilized for the growth and survival of fish. These results revealed that the non-specific immunity of fish played an important role in self protection after pathogens infection. PMID- 29204088 TI - Terminally differentiated memory T cells are increased in patients with common variable immunodeficiency and selective IgA deficiency. AB - Introduction: Previous studies showed that several lymphocyte abnormalities seen in the most frequent symptomatic immunoglobulin deficiency, common variable immunodeficiency (CVID), were also observed in a genetically related asymptomatic disorder - selective IgA deficiency (IgAD). In this study we searched for abnormalities in the differentiation stages of T cells as well as for similarities of these abnormalities in CVID and IgAD patients. Material and methods: Using flow cytometry in 80 patients with IgAD, 48 patients with CVID, and 80 control persons we determined T-lymphocyte subsets: both CD4 and CD8 were divided into the naive CD45RO-CD27+, early differentiated CD45RO+CD27+, late differentiated CD45RO+CD27- and fully differentiated effector CD45RO-CD27- memory T cells, as well as Treg cells, defined as CD4+CD25highCD127low T cells. Results: An increase of CD4+ and CD8+ late differentiated memory cells was observed comparing CVID patients to controls, as well as comparing IgAD patients to controls. In CVID patients an increase of CD4+ early differentiated memory cells, a decrease of CD8+ intermediate memory cells, and CD4+ and CD8+ naive cells were found as well. The abnormalities in IgAD patients might be explained by higher CMV seropositivity observed in our IgAD. We confirmed the repeatedly published decrease of Treg cells in CVID patients, while Treg cells in IgAD patients were increased compared to controls. Conclusions: Our results show T-cell activation not only in CVID, but also in IgAD patients. The increase in IgAD patients may be influenced by a more frequent CMV infection in our group of IgAD patients. PMID- 29204089 TI - Subpopulations of natural killer-T-like cells before and after surgical treatment of laryngeal cancer. AB - Introduction: Tumours connected with head and neck comprise about 5% of all tumours. The most frequent histological type of laryngeal carcinoma is squamous cell carcinoma. Different research projects suggest that the role of T lymphocytes might be significant in tumour development. iNKT cells are a new subpopulation of T cells and show cytotoxic activity against tumours. iNKT cells participate in modulating the function of other cells which have anti-tumour properties and secrete cytokines, which have pro-inflammatory and anti inflammatory effects. In animal models the significance of iNKT cells in various diseases including cancer was shown. Aim of the study: The aim of this study was to determine the percentages of iNKT cells, CD161+ cells, CD161- cells, iNKT CD4+ cells, and iNKT CD8+ cells, NK cells, NKT-like cells, and T cells subsets present in peripheral blood of patients with laryngeal cancer before and two months after the tumour resection, in comparison to healthy volunteers. Materials and methods: This study included material from laryngeal patients who were treated at the Department of Otolaryngology and Laryngological Oncology (Medical University of Lublin) between 2012 and 2013. A total of 50 patients (40 men and 10 women) aged between 45 and 77 years (median age: 60 years) were enrolled. Based on the TNM classification, the patients were classified as having stage I-IV laryngeal cancer. The control group was composed of 15 healthy volunteers (12 men and three women) aged between 43 and 82 years (median age: 61 years). The protocol of the study was approved by the Local Bioethical Committee at the Medical University of Lublin.Peripheral blood samples (15 ml) from the basilic vein were collected by venipuncture using sterile, sodium heparin-treated tubes (20 units per ml of blood) and used for cytometric analyses. Results: iNKT cells were analysed among T CD3+ cells. The percentage of CD3+ and CD3+CD4+ T cells before tumour resection was higher than in the control group, but the increase of CD3+ T cells was not significant. The T CD3+CD4+ / T CD3+CD8+ cell ratio was significantly higher than in healthy donors. After tumour resection a decreased percentage of CD3+CD4+ T cells but an increased percentage of CD8+CD3+T cells was noted. The T CD3+CD4+ / T CD3+CD8+ cell ratio was significantly higher in patients before and after the surgery than in the control group. The amount of NKT-like cells increased after resection and was significantly higher than in the control group. Conclusions: Our study exhibited the change in percentage of iNKT, NK, NKT-like cells, and T lymphocytes after tumour resection in patients with laryngeal cancer. The research explains the contribution of those cells in immunological response against tumour. PMID- 29204090 TI - Autoantibodies, C-reactive protein, erythrocyte sedimentation rate and serum cytokine profiling in monitoring of early treatment. AB - Introduction: Currently used clinical scale and laboratory markers to monitor patients with early rheumatoid arthritis (RA) seem to be not sufficient. It has been demonstrated that disease- related cytokines may be elevated very early in RA development and cytokines are considered as the biomarkers potentially useful for RA monitoring. Material and methods: The group of patients with undifferentiated arthritis (UA) developing RA (UA->RA) was identified from a total of 121 people with arthralgia. UA->RA (n = 16) and healthy control (n = 16) subjects underwent clinical and laboratory evaluation, including acute phase reactants (APRs) and autoantibodies. Cytokines IFN-gamma, IL-10, TNF, IL-17A, IL 6, IL-1b, IL-2 in sera were assayed using flow cytometric bead array test. Results: 34.5% of patients with UA developed RA. DAS28 reduced as early as 3 months after initiation of treatment. No DAS28 difference between groups of autoantibody (RF, anti-CCP, ANA-HEp-2) -positive and -negative patients was observed, however, comparing groups of anti-CCP and RF-double negative and double positive patients, the trend of sooner clinical improvement was visible in the second abovementioned group. After the treatment introduction, the ESR level reduced significantly, while CRP level reduction was not significant. Serum cytokine levels of IL-10, IL-6 and IL-17A reduced after 6 months since introduction of treatment. The positive correlations between ESR, CRP and specific cytokine levels were observed. Conclusions: The autoantibody and APR profile is poorly connected with the RA course. The serum cytokine profile change in the course of RA and may be potentially used for optimization of RA monitoring. PMID- 29204091 TI - Lipocalin 2 as a clinical significance in rheumatoid arthritis. AB - Aim of the study: In this study, serum lipokalin 2 (LCN-2) levels and its clinical and radiological significance in patients with rheumatoid arthritis was evaluated. Material and methods: The study enrolled 37 patients with RA and 34 healthy controls. Serum LCN-2 level was measured using ELISA method. Patients with DAS 28 scores <= 3.2, and > 3.2 were allocated into lower and high/moderate disease activity groups, respectively. Additionally patients were divided into 2 groups as early RA (disease duration <= 2 years) and established RA (duration of the disease >= 2 years). Functional disability was evaluated using Health Assessment Questionnaire (HAQ). Radiographs were scored using the modified Larsen score. Results: Serum LCN-2 (p = 0.029) levels were significantly higher in patients with RA than in the controls. Serum LCN-2 level did not correlate with laboratory and clinical parameters of disease activity like erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), DAS 28, Health Assessment Questionnaire Score (HAQ) and Nottingham Health Profile (NHP). Similarly, any correlation could not be found between structural joint damage and serum LCN2 levels. Conclusions: These results indicate that serum LCN-2 levels may be used as an indicator for structural damage like erosions in the early stage of the disease but do not able to be used to monitor disease activity. PMID- 29204092 TI - Effect of perinatal risk factors on neutrophil gelatinase-associated lipocalin (NGAL) level in umbilical and peripheral blood in neonates. AB - Introduction: Acute kidney injury biomarkers are opening a new era in diagnosing kidney failure. The requirement for a specific and sensitive marker of kidney function is highly desirable in neonates because the diagnostic possibilities in this age group are not sufficient. Recent research show that neutrophil gelatinase-associated lipocalin (NGAL) can have a great potential but there is a wide range of medical conditions, that may influence their expression. The aim of the study: was to evaluate the impact of perinatal risk factors on NGAL level in neonates. Material and methods: NGAL was measured in umbilical cord blood and peripheral blood in full term neonates with perinatal risk factors during the first days of life. Results: We found significantly higher umbilical cord blood NGAL levels in neonates with perinatal risk factors (117.69 ng/ml) compared to the control group (64.37 ng/ml). No significant difference in peripheral blood NGAL level was shown between the two groups. Umbilical cord blood NGAL level correlated positively with peripheral blood NGAL level (r = 0.36, p < 0.01). Umbilical cord blood NGAL level was significantly higher in neonates with fetal distress and infection compared to neonates with other perinatal risk factors. Peripheral blood NGAL level was significantly higher in neonates with infection compared to neonates with other perinatal risk factors. Significantly higher umbilical cord blood NGAL levels were seen in neonates born by operative delivery compared to born by natural delivery. PMID- 29204093 TI - Evaluation of the adenosine deaminase (ADA) G22A gene polymorphism with recurrent spontaneous abortion among Egyptian patients. AB - Introduction: Adenosine and deoxyadenosine metabolism is influenced by adenosine deaminase (ADA) enzyme. ADA increases in different diseases and is considered as one of the markers for cell-mediated immunity. Pregnancy is associated with depressed cell-mediated immunity. The level of ADA expression, which seems to play a key role in maintaining pregnancy, is influenced by adenosine deaminase G22A gene polymorphism. We aimed in our study to evaluate the association of ADA G22A gene polymorphism with recurrent spontaneous abortion (RSA) in Egyptian women. Material and methods: Adenosine deaminase G22A gene polymorphism was genotyped in 40 patients (age range 22-39 years) with a history of RSA, selected from those attending the Gynaecology and Obstetrics Clinic of Beni-Suef University Hospital, and 20 age-matched healthy women as a control group, using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis. Results: In our study, no statistically significant difference was found between RSA patients and control group as regards ADA G22A genotypes (p = 0.653) and alleles (p = 0.697). A comparison of the frequencies of ADA alleles in RSA patients as regards the below-35-years-old age group revealed that ADA 2(A) allele was associated with a low risk for RSA in patients aged 35 years old or younger (p = 0.008). Conclusions: In conclusion, our study revealed an age dependent protective value of ADA 2(A) allele in recurrent spontaneous abortions among the Egyptian population. PMID- 29204094 TI - The significance of IL-1beta +3953C>T, IL-6 -174G>C and -596G>A, TNF-alpha 308G>A gene polymorphisms and 86 bp variable number tandem repeat polymorphism of IL-1RN in bronchopulmonary dysplasia in infants born before 32 weeks of gestation. AB - Introduction: Bronchopulmonary dysplasia (BPD) is a chronic lung disease that affects primarily preterm infants. Genetic factors are also taken into consideration in the pathogenesis of BPD. Genetic predispositions to higher production of inflammation mediators seem to be crucial. Material and methods: The aim of this study was to evaluate the possible relationship between polymorphisms: interleukin-1beta +3953 C>T, interleukin-6 -174 G>C and -596 G>A, tumour necrosis factor -308 G>A and interleukin-1RN VNTR 86bp and the occurrence of BPD in a population of 100 preterm infants born from singleton pregnancy, before 32+0 weeks of gestation, exposed to antenatal steroids therapy, and without congenital abnormalities. Results: In the study population BPD was diagnosed in 36 (36%) newborns. Among the studied polymorphisms we found the higher prevalence for BPD developing of the following genotypes: 1/2 (OR 1.842 [0.673-5.025] and 2/2 IL-1RN (OR 1.75 [0.418-6.908] 86bpVNTR; GC (2.222 [0.658 8.706]) and CC IL-6 -174G>C (1.6 [0.315-8.314]) and GA (2.753 [0.828-10.64]) and AA (1.5 [0.275-8.067] IL-6 -596G>A), GA 1.509 (0.515-4.301) TNF-alpha -308G>A. However, these finding were not statistically significant. Conclusions: Genetic factors are undeniably involved in the pathogenesis of BPD. In the times of individualised therapy finding genes responsible for BPD might allow the development of new treatment strategies. A new way of specific therapy could ensure the reduction of complications connected with BPD and treatment costs. PMID- 29204095 TI - Immune disorders in anorexia. AB - Anorexia nervosa is a disease involving eating disorders. It mainly affects young people, especially teenage women. The disease is often latent and occurs in many sub-clinical and partial forms. Approximately from 0.3% to 1% of the population suffers from anorexia. It has been shown that patients with anorexia develop neurotransmitter-related disorders, leading to uncontrolled changes in the immune and endocrine systems. Interactions between cytokines, neuropeptides, and neurotransmitters play an important role in disease development. Significant malnutrition induces disorders and alterations in T-cell populations. The cellular response in patients with anorexia nervosa has been shown to be normal, although opinions on this issue are controversial. Laboratory studies on neutrophils in anorexia patients showed decreased adhesion and reduced bactericidal and cell activities. Despite such unfavourable results, patients with anorexia are resistant to infections, which are very rare in this group. Glutamine improves the performance of the human immune system. The administration of glutamine to anorexia patients, as a supplement to parenteral nutrition, has resulted in significant improvements in immune system parameters. The results of previous studies on the causes and risk factors in the development of anorexia nervosa are still ambiguous. One can hope that the differences and similarities between patients with anorexia nervosa and those with other forms of protein calorie malnutrition may be helpful in determining the relationship between nutritional status and body defences and susceptibility to infection, and can help to broaden the knowledge about the aetiopathogenesis of anorexia nervosa. PMID- 29204096 TI - Interference RNA in immune-mediated oral diseases - minireview. AB - Immune-mediated oral disorders are characterised by their chronicity, and some are refractory to treatment. Interference RNA (iRNA) has been implicated in the underlying mechanism of such immune-mediate oral and refractory inflammatory oral diseases. iRNA-based understanding of the mechanism in these diseases may help to produce non-invasive diagnostic methodologies and treatment modalities of such drug non-responsive diseases. Oral lesions in these immune-mediated diseases can precede the occurrence of lesions in other regions of the body. The early diagnosis and treatment of these drug non-responsive diseases might benefit the patient by reducing chronicity and probably even resolving the disease. This aim of the present minireview is to give an overview of the possible implications of iRNA on the pathogenesis, diagnosis, and treatments of immune-mediated and inflammatory oral diseases. The manuscript can form the framework for research on iRNA in these immune-mediated oral disorders. PMID- 29204098 TI - Effectiveness of rituximab in nephrotic syndrome treatment. AB - Idiopathic nephrotic syndrome (INS) is a common chronic illness characterized by massive proteinuria and hypo-albuminemia in children. Baseline treatment is 6 month-corticotherapy. In cases of steroid resistant/dependent INS several types of treatment are used, including course of methyloprednisolone "pulses", alkylating agents, cyclosporin A, levamisole and mycophenolate mofetil. It has been suggested that children with frequently relapsing nephrotic syndrome or steroid-dependent nephrotic syndrome had a significantly longer relapse-free period if rituximab (RTX) treatment was additionally applied. We present a case of a 4.5 boy who due to steroid-sensitive, steroid-dependent nephrotic syndrome has been successfully treated with RTX. Administration of the one dose of Rituximab in the patient caused immediate decrease of CD19/CD20 positive B lymphocyte population. The depletion of B cells has been observed for the next six months. With regard to the fact that RTX treatment may affect patient's immune response, comprehensive immunodiagnostic has been conducted in a course of the Therapy. PMID- 29204097 TI - Air pollution, oxidative stress, and exacerbation of autoimmune diseases. AB - A number of epidemiological studies have shown a strong association between exposure to ambient airborne particulate matter (PM 2.5, PM < 1.0) and lung or cardiovascular diseases characterised by high mortality and morbidity. However, much less is known about the role of air pollution in the pathogenesis of autoimmune diseases, which constitutes a significant problem in modern society. This paper summarises the state of current research regarding the influence of PM on the development and/or progression of autoimmune diseases. A brief review of the great body of research concerning pathogenesis of autoimmune disorders is presented. Then, the scope of our review is narrowed to the research related to the impact of particulate matter on oxidative and nitrosative stress, as well as exacerbation of chronic inflammation, because they can contribute to the development of autoimmune diseases. Moreover, we discuss the impact of various components of PM (metal, organic compounds) on PM toxicity and the ability to generate oxidants. PMID- 29204099 TI - Tuberculosis infection in children with proteinuria/nephrotic syndrome. AB - Children with nephrotic syndrome (NS) are at greater risk of infections than the general population, due to immunodeficiency in the course of the disease and the treatment. In this study we present 4 children (2 girls, 2 boys), mean age 7.6 +/ 5.1 years, with NS/proteinuria and latent tuberculosis in 3 children and lymph node tuberculosis in 1 child. The reasons for testing these children for tuberculosis (TB) were the evaluation of the epidemiological status before treatment with corticosteroids (GCS), leukopenia and the relapse of NS, and non nephrotic proteinuria. The diagnosis of TB infection was based on positive IGRA (Interferon-Gamma Release Assay). Chest X-ray was normal in all the children. Chest CT scan revealed an enlargement of lymph nodes in 1 child. The children were treated with isoniazid (3 children) and isoniazid, rifampicin and pyrazinamide (1 child). Three children with idiopathic nephrotic syndrome were treated with prednisone. The child with non-nephrotic proteinuria was treated with enalapril. Proteinuria disappeared in all children during anti-TB treatment. PMID- 29204100 TI - Interaction and cellular uptake of surface-modified carbon dot nanoparticles by J774.1 macrophages. AB - Carbon dot (Cdot) nanoparticles are an emerging class of carbon nanomaterials with a promising potential for drug delivery and bio imaging applications. Although the interaction between Cdots and non-immune cell types has been well studied, Cdot interactions with macrophages have not been investigated. Exposure of Cdot nanoparticles to J774.1 cells, a murine macrophage cell line, resulted in minimal toxicity, where notable toxicity was only seen with Cdot concentrations higher than 0.5 mg/ml. Flow cytometric analysis revealed that Cdots prepared from citric acid were internalized at significantly higher levels by macrophages compared with those prepared from bamboo leaves. Interestingly, macrophages preferentially took up phenylboronic acid (PB)-modified nanoparticles. By fluorescence microscopy, strong blue light-specific punctate Cdot fluorescence resembling Cdot structures in the cytosolic space was mostly observed in J774.1 macrophages exposed to PB-modified nanoparticles and not unmodified Cdot nanoparticles. PB binds to sialic acid residues that are overexpressed on diseased cell surfaces. Our findings demonstrate that PB-conjugated Cdots can be taken up by macrophages with low toxicity and high efficiency. These modified Cdots can be used to deliver drugs to suppress or eliminate aberrant immune cells such as macrophages associated with tumors such as tumor-associated macrophages. PMID- 29204101 TI - Lymphoepithelial carcinoma: a case report of a rare tumor of the larynx. AB - Background: Lymphoepithelial carcinoma is a tumor mostly diagnosed in the nasopharynx, but it has also been described in a variety of nonnasopharyngeal sites. It is extremely rare in the larynx and should be distinguished from squamous cell carcinoma. Therefore, it must be known by clinicians, pathologists and oncologists. In this case report, we discuss its etiopathogeny, its epidemiological, clinical, pathological and therapeutic aspects, and its outcome. Case presentation: An 81-year-old Morrocan man, smoker for 40 years, presented with a 1 year history of dysphonia, dyspnea and dysphagia. Laryngoscopy showed a mass occupying supraglottic, glottic and subglottic levels of the larynx. Cervico thoracic computed tomography scan showed a laryngeal wall thickening with cervical lymphadenopathy. Laryngeal biopsy was performed. Microscopic analysis and immunohistochemistry confirmed the diagnosis of laryngeal lymphoepithelial carcinoma. Immunostaining for LMP1 was negative. Conclusion: Laryngeal lymphoepithelial carcinoma is an extremely rare and an aggressive tumor. It is rarely associated with the EBV. It must be regarded as a distinct entity. Radiotherapy is advisable as the unique therapy for local tumor. A correct diagnosis and a close collaboration between the pathologist and clinicians is mandatory for an optimal treatment strategy. PMID- 29204102 TI - Diagnostic accuracy of touch imprint cytology for head and neck malignancies: a useful intra-operative tool in resource limited countries. AB - Background: Intraoperative consultation is an important tool for the evaluation of the upper aerodigestive tract (UAT) malignancies. Although frozen section analysis is a preferred method of intra-operative consultation, however in resource limited countries like Pakistan, this facility is not available in most institutes; therefore, we aimed to evaluate the diagnostic accuracy of touch imprint cytology for UAT malignancies using histopathology of the same tissue as gold standard. Methods: The study involved 70 cases of UAT lesions operated during the study period. Intraoperatively, after obtaining the fresh biopsy specimen and prior to placing them in fixative, each specimen was imprinted on 4 6 glass slides, fixed immediately in 95% alcohol and stained with Hematoxylin and Eosin stain. After completion of the cytological procedure, the surgical biopsy specimen was processed. The slides of both touch Imprint cytology and histopathology were examined by two consultant histopathologists. Results: The result of touch imprint cytology showed that touch imprint cytology was diagnostic in 68 cases (97.1%), 55 (78.6%) being malignant, 2 cases (2.9%) were suspicious for malignancy, 11 cases (15.7%) were negative for malignancy while 2 cases (2.9%) were false negative. Amongst the 70 cases, 55 cases (78.6%) were malignant showing squamous cell carcinoma in 49 cases (70%), adenoid cystic carcinoma in 2 cases (2.9%), non-Hodgkin lymphoma 2 cases (2.9%), Mucoepidermoid carcinoma 1 case (1.4%), spindle cell sarcoma in 1 case (1.4%). Two cases (2.9%) were suspicious of malignancy showing atypical squamoid cells on touch imprint cytology, while 13 cases (18.6%) were negative for malignancy, which also included 2 false negative cases. The overall diagnostic accuracy of touch imprint cytology came out to be 96.7% with a sensitivity and specificity of 96 and 100%, respectively while PPV and NPV of touch imprint cytology was found to be 100 and 84%, respectively. Conclusion: Our experience in this study has demonstrated that touch imprint cytology provides reliable specific diagnoses and can be used as an adjunct to histopathology, particularly in developing countries, where the facility of frozen section is often not available, since a rapid preliminary diagnosis may help in the surgical management planning. PMID- 29204103 TI - Single mothering as experienced by Burundian refugees in Australia: a qualitative inquiry. AB - Background: Refugee mothers have fled from their homeland to escape persecutions with their children only to find other threats to their well-being in the new country. Building on previous research, it is known that being a new immigrant is challenging and requires adaptation. The adaptation process, known as acculturation, may not be successful leading to psychological distress. It is also known that a generation gap can occur when children acculturate faster than their parents. What was lacking was understanding about the experiences of single refugee mothers. Methods: Interpretative phenomenological study was undertaken to explore the lived experiences of eight Burundian refugee single mothers in Australia. Data were collected by in-depth interviews. Each interviews were transcribed and analyzed using thematic analysis. Results: Findings revealed three themes. First theme 'Traditional mothering practices of Burundian culture' illustrated mothering strategies as practiced prior to their arrival in Australia including mothering with sufficient social support, strong position of parents, and regular use of physical disciplining. Second theme 'Challenges identified after arrival to new country' revealed that mothers felt their children acculturated faster than themselves which led to intergenerational gap. This has also led participants to live in a continuous dilemma, experiencing inner conflicts and struggles associated with their mothering practices, especially when mothers had arrived with a lack of knowledge relating to acceptable mothering practices in a new culture. Final theme, 'Reforming family life in Australia' highlighted the decisions made by single refugee mothers which is to embrace both new and original cultures, leading to successful acculturation. However, lack of appropriate knowledge of acceptable mothering practices led to involvement of legal authorities who threatening to remove children from the mother's care. This has led mothers feeling change of power from 'mother to child, 'to child to mother', raises concerns for family wellbeing. Conclusions: A need for parenting information when entering a new country including education about any legal obligations for parents such as a Child Protection Act will assist successful acculturation. As nurses are likely to encounter refugee single mothers, they are well placed to provide support and education to new refugee single mothers. PMID- 29204104 TI - Assessing the Consultation and Relational Empathy (CARE) Measure in sexual health nurses' consultations. AB - Background: Increasingly healthcare policies emphasise the importance of person centred, empathic care. Consequently, healthcare professionals are expected to demonstrate the 'human' aspects of care in training and in practice. The Consultation and Relational Empathy (CARE) Measure is a patient-rated measure of the interpersonal skills of healthcare practitioners. It has been widely validated for use by healthcare professionals in both primary and secondary care. This paper reports on the validity and reliability of the CARE Measure with sexual health nurses. Methods: Patient questionnaires were collected for 943 consultations with 20 sexual health nurses. Participating patients self-completed the questionnaire immediately after the encounter with the nurse. The questionnaire included the ten item CARE Measure, the Patient Enablement Index, and overall satisfaction instruments. Construct validity was assessed through Spearman's correlation and principal component analysis. Internal consistence was assessed through Cronbach's alpha and the inter-rater reliability through Generalisability Theory. Data were collected in 2013 in Scotland. Results: Female patients completed 68% of the questionnaires. The mean patient age was 28.8 years (standard deviation 9.8 years). Two of the 20 participating nurses withdrew from the study. Most patients (71.7%) regarded the CARE Measure items as very important to their consultation and the number of 'not applicable' and missing responses' were low (2.6% and 0.1% respectively). The participating nurses had high CARE Measure scores; out of a maximum possible score of 50, the overall mean CARE measure score was 47.8 (standard deviation 4.4). The scores were moderately correlated with patient enablement (rho = 0.232, p = 0.001) and overall satisfaction (rho = 0.377, p = 0.001. Cronbach's alpha showed the measure's high internal consistency (Cronbach's alpha coefficient = 0.95), but the inter-rater reliability could not be calculated due to the high achieved CARE Measure scores that varied little between nurses. Conclusions: Within this clinical context the CARE Measure has high perceived relevance and face validity. The findings support construct validity and some evidence of reliability. The high CARE Measure scores may have been due to sample bias. A future study which ensures a representative sample of patients on a larger group of nurses is required to determine whether the measure can discriminate between nurses. PMID- 29204105 TI - Treatment with 24 h-delayed normo- and hyperbaric oxygenation in severe sepsis induced by cecal ligation and puncture in rats. AB - Background: Septic shock remains a leading cause of death worldwide. Hyperbaric oxygen treatment (HBO2) has been shown to alter the inflammatory response during sepsis and to reduce mortality. A therapeutic window of HBO2 treatment has been demonstrated experimentally, but optimal timing remains uncertain. We investigated the effects of 24 h delayed normobaric oxygen (NBO2) and HBO2 treatment on the endogenous production of the inflammatory markers interleukin (IL)-6, tumor necrosis factor (TNF)-alpha and IL-10, and on mortality in rats with cecal ligation and puncture (CLP) induced sepsis. Method: Fifty-five male Sprague-Dawley rats underwent CLP and were randomized to the following groups: 1) HBO2 2.5 bar absolute pressure (pabs); 2) NBO2 1.0 bar pabs; 3) Control (no treatment), and they were individually monitored for 72 h with intermittent blood sampling. Results: IL-6, TNF-alpha, and IL-10 were increased 24 h after the procedure, and IL-6 was significantly higher in non-survivors than in survivors. The level of IL-10 was significantly higher at hour 48 in the HBO2 group compared to control (p = 0.01), but this was not the case at other time points. No other significant differences in cytokine levels were found for any group comparisons. Delayed NBO2 and HBO2 treatment failed to change the mortality in the animals. Conclusion: High levels of IL-6 in non-surviving animals with sepsis suggest that IL-6 is a potential biomarker. We found a significantly higher concentration of IL-10 in the HBO2 group at hour 48 vs. control animals. However, 24 h-delayed treatment with HBO2 did not change the levels of pro-inflammatory cytokines and survival, suggesting that earlier intervention may be required to obtain an anti inflammatory effect. PMID- 29204106 TI - Morbidity dynamics in proton-photon or photon radiation therapy for locally advanced prostate cancer. AB - Aim: This study evaluated the frequency and long-term dynamics of early and late post irradiation damage after proton-photon or photon therapy for locally advanced prostate cancer. Background: The results of a randomized study of proton photon or photon therapy using several fractionation regimes were analyzed in 272 patients with high and intermediate risk of progression. Materials and methods: Three variants of proton boost fractionation were studied sequentially: 3.0 (8 daily fractions), 4.0 (5 fractions, 3 or 5 fractions/week), and 5.5 (3 fractions, 3 fractions/week) Gy(RBE). Results: A significant decrease in the severity of both acute and late gastrointestinal injuries is achievable with a proton beam. The dynamics of late gastrointestinal and genitourinary toxicity over a 10-year period were generally characterized by a decrease in severity of morbidity by 30% and 15%, respectively. Conclusions: Local irradiation with a fractional dose of 3.0-5.5 Gy(RBE) and a cumulative dose of 28.0-28.8 Gy(RBE) for protons significantly reduces the early and late rectitis severity, but does not reduce the risk of lower urinary tract injuries. Fractionation regimens do not significantly differ in toxicity levels. PMID- 29204107 TI - Use of Cyclic Backbone NGR-Based SPECT to Increase Efficacy of Postmyocardial Infarction Angiogenesis Imaging. AB - As CD13 is selectively expressed in angiogenesis, it can serve as a target for molecular imaging tracers to noninvasively visualize angiogenic processes in vivo. The CD13-targeting moiety NGR was synthesized and cyclized by native chemical ligation (NCL) instead of disulfide bridging, leading to a cyclic peptide backbone: cyclo(Cys-Asn-Gly-Arg-Gly) (coNGR). Beside this new monomeric coNGR, a tetrameric NGR peptide co(NGR)4 was designed and synthesized. After radiolabeling, their in vitro and in vivo characteristics were determined. Both coNGR-based imaging agents displayed considerably higher standardized uptake values (SUVs) at infarcted areas compared to the previously reported disulfide cyclized cNGR imaging agent. Uptake patterns of 111In-coNGR and 111In-co(NGR)4 coincided with CD13 immunohistochemistry on excised hearts. Blood stability tests indicated better stability for both novel imaging agents after 50 min blood incubation compared to the disulfide-cyclized cNGR imaging agent. In mice, both coNGR peptides cleared rapidly from the blood mainly via the kidneys. In addition, co(NGR)4 showed a significantly higher specific uptake in infarcted myocardium compared to coNGR and thus is a promising sensitive imaging agent for detection of angiogenesis in infarcted myocardium. PMID- 29204108 TI - Cross-Dependency Inference in Multi-Layered Networks: A Collaborative Filtering Perspective. AB - The increasingly connected world has catalyzed the fusion of networks from different domains, which facilitates the emergence of a new network model-multi layered networks. Examples of such kind of network systems include critical infrastructure networks, biological systems, organization-level collaborations, cross-platform e-commerce, and so forth. One crucial structure that distances multi-layered network from other network models is its cross-layer dependency, which describes the associations between the nodes from different layers. Needless to say, the cross-layer dependency in the network plays an essential role in many data mining applications like system robustness analysis and complex network control. However, it remains a daunting task to know the exact dependency relationships due to noise, limited accessibility, and so forth. In this article, we tackle the cross-layer dependency inference problem by modeling it as a collective collaborative filtering problem. Based on this idea, we propose an effective algorithm Fascinate that can reveal unobserved dependencies with linear complexity. Moreover, we derive Fascinate-ZERO, an online variant of Fascinate that can respond to a newly added node timely by checking its neighborhood dependencies. We perform extensive evaluations on real datasets to substantiate the superiority of our proposed approaches. PMID- 29204110 TI - Corrigendum: beta2-Adrenergic Receptor-Mediated HIF-1alpha Upregulation Mediates Blood Brain Barrier Damage in Acute Cerebral Ischemia. AB - [This corrects the article on p. 257 in vol. 10, PMID: 28855859.]. PMID- 29204111 TI - Stereological Study on the Positive Effect of Running Exercise on the Capillaries in the Hippocampus in a Depression Model. AB - Running exercise is an effective method to improve depressive symptoms when combined with drugs. However, the underlying mechanisms are not fully clear. Cerebral blood flow perfusion in depressed patients is significantly lower in the hippocampus. Physical activity can achieve cerebrovascular benefits. The purpose of this study was to evaluate the impacts of running exercise on capillaries in the hippocampal CA1 and dentate gyrus (DG) regions. The chronic unpredictable stress (CUS) depression model was used in this study. CUS rats were given 4 weeks of running exercise from the fifth week to the eighth week (20 min every day from Monday to Friday each week). The sucrose consumption test was used to measure anhedonia. Furthermore, stereological methods were used to investigate the capillary changes among the control group, CUS/Standard group and CUS/Running group. Sucrose consumption significantly increased in the CUS/Running group. Running exercise has positive effects on the capillaries parameters in the hippocampal CA1 and DG regions, such as the total volume, total length and total surface area. These results demonstrated that capillaries are protected by running exercise in the hippocampal CA1 and DG might be one of the structural bases for the exercise-induced treatment of depression-like behavior. These results suggest that drugs and behavior influence capillaries and may be considered as a new means for depression treatment in the future. PMID- 29204112 TI - Flexible Visuomotor Associations in Touchscreen Control. AB - To move real objects, our hand needs to get in direct physical contact with the object. However, this is not necessarily the case when interacting with virtual objects, for example when displacing objects on tablets by swipe movements. Here, we performed two experiments to study the behavioral strategies of these movements, examining how visual information about the virtual object is mapped into a swipe that moves the object into a goal location. In the first experiment, we investigated how swiping behavior depends on whether objects were located within or outside the swiping workspace. Results show that participants do not start the swipe movement by placing their finger on the virtual object, as they do when reaching to real objects, but rather keep a systematic distance between the object location and the initial swipe location. This mismatch, which was experimentally imposed by placing the object outside the workspace, also occurred when the object was within the workspace. In the second experiment, we investigated which factors determine this mismatch by systematically manipulating the initial hand location, the location of the object and the location of the goal. Dimensionality reduction of the data showed that three factors are taken into account when participants choose the initial swipe location: the expected total movement distance, the distance between their finger on the screen and the object, and a preference not to cover the object. The weight given to each factor differed among individuals. These results delineate, for the first time, the flexibility of visuomotor associations in the virtual world. PMID- 29204109 TI - Intracellular Cholesterol Trafficking and Impact in Neurodegeneration. AB - Cholesterol is a critical component of membrane bilayers where it plays key structural and functional roles by regulating the activity of diverse signaling platforms and pathways. Particularly enriched in brain, cholesterol homeostasis in this organ is singular with respect to other tissues and exhibits a heterogeneous regulation in distinct brain cell populations. Due to the key role of cholesterol in brain physiology and function, alterations in cholesterol homeostasis and levels have been linked to brain diseases and neurodegeneration. In the case of Alzheimer disease (AD), however, this association remains unclear with evidence indicating that either increased or decreased total brain cholesterol levels contribute to this major neurodegenerative disease. Here, rather than analyzing the role of total cholesterol levels in neurodegeneration, we focus on the contribution of intracellular cholesterol pools, particularly in endolysosomes and mitochondria through its trafficking via specialized membrane domains delineated by the contacts between endoplasmic reticulum and mitochondria, in the onset of prevalent neurodegenerative diseases such as AD, Parkinson disease, and Huntington disease as well as in lysosomal disorders like Niemann-Pick type C disease. We dissect molecular events associated with intracellular cholesterol accumulation, especially in mitochondria, an event that results in impaired mitochondrial antioxidant defense and function. A better understanding of the mechanisms involved in the distribution of cholesterol in intracellular compartments may shed light on the role of cholesterol homeostasis disruption in neurodegeneration and may pave the way for specific intervention opportunities. PMID- 29204113 TI - Effect of Electro-Acupuncture and Moxibustion on Brain Connectivity in Patients with Crohn's Disease: A Resting-State fMRI Study. AB - Acupuncture and moxibustion have been shown to be effective in treating Crohn's disease (CD), but their therapeutic mechanisms remain unclear. Here we compared brain responses to either electro-acupuncture or moxibustion treatment in CD patients experiencing remission. A total of 65 patients were randomly divided into an electro-acupuncture group (n = 32) or a moxibustion group (n = 33), and treated for 12 weeks. Eighteen patients in the electro-acupuncture group and 20 patients in the moxibustion group underwent resting-state functional magnetic resonance imaging at baseline and after treatment. Seed-based analysis was used to compare the resting-state functional connectivity (rsFC) between bilateral hippocampus and other brain regions before and after the treatments, as well as between the two groups. The CD activity index (CDAI) and inflammatory bowel disease questionnaire (IBDQ) were used to evaluate disease severity and patient quality of life. Electro-acupuncture and moxibustion both significantly reduced CDAI values and increased IBDQ scores. In the electro-acupuncture group, the rsFC values between bilateral hippocampus and anterior middle cingulate cortex (MCC) and insula were significantly increased, and the changes were negatively correlated with the CDAI scores. In the moxibustion group, the rsFC values between bilateral hippocampus and precuneus as well as inferior parietal lobe (IPC) were significantly elevated, and the changes were negatively correlated with the CDAI scores. We conclude that the therapeutic effects of electro acupuncture and moxibustion on CD may involve the differently modulating brain homeostatic afferent processing network and default mode network (DMN), respectively. PMID- 29204114 TI - Vitality Forms Expressed by Others Modulate Our Own Motor Response: A Kinematic Study. AB - During social interaction, actions, and words may be expressed in different ways, for example, gently or rudely. A handshake can be gentle or vigorous and, similarly, tone of voice can be pleasant or rude. These aspects of social communication have been named vitality forms by Daniel Stern. Vitality forms represent how an action is performed and characterize all human interactions. In spite of their importance in social life, to date it is not clear whether the vitality forms expressed by the agent can influence the execution of a subsequent action performed by the receiver. To shed light on this matter, in the present study we carried out a kinematic study aiming to assess whether and how visual and auditory properties of vitality forms expressed by others influenced the motor response of participants. In particular, participants were presented with video-clips showing a male and a female actor performing a "giving request" (give me) or a "taking request" (take it) in visual, auditory, and mixed modalities (visual and auditory). Most importantly, requests were expressed with rude or gentle vitality forms. After the actor's request, participants performed a subsequent action. Results showed that vitality forms expressed by the actors influenced the kinematic parameters of the participants' actions regardless to the modality by which they are conveyed. PMID- 29204116 TI - P2Y12 Receptor Antagonist, Clopidogrel, Does Not Contribute to Risk of Osteoporotic Fractures in Stroke Patients. AB - Background: Stroke is a leading cause of mortality and morbidity. It is associated with excessive bone loss and risk of fracture in stroke patients is high. The P2Y12R antagonist and platelet inhibitor, clopidogrel, is widely used for secondary prevention after a stroke. However, recent studies have shown that clopidogrel has negative effects on bone and that long-term clopidogrel use is associated with increased fracture risk. The purpose of the current study was therefore to investigate the association of clopidogrel treatment with risk of fractures in stroke and TIA patients. Methods: The study was a cohort study including all subjects who were prescribed clopidogrel between 1996 and 2008 in Denmark (n = 77,503). Age- and gender matched controls (n = 232,510) were randomly selected from the background population. The study end-points were occurrence of stroke or TIA and occurrence of fracture. Clopidogrel use was primary exposure. Results: Ischemic stroke increased risk of fracture by 50% while haemorrhagic stroke and TIA increased the risk by 30%. However, after adjusting for multiple confounders only patients with ischemic stroke and haemorrhagic stroke had increased fracture risk. Clopidogrel use was not associated with increased fracture risk in subjects with ischaemic stroke or TIA. In contrast, after adjusting for multiple confounders clopidogrel treatment was associated with a 10-35% reduced risk of fracture. Conclusion: Patients with stroke have increased risk of osteoporotic fractures, but clopidogrel treatment does not increase fracture risk. In contrast, patients less adherent to the treatment have lower risk of fractures than non-users and patients with high adherence. However, based on the increased risk in stroke patients, clinicians should consider evaluation of bone status of these patients. PMID- 29204115 TI - A Randomized, Double-Blind Study Assessing Changes in Cognitive Function in Indian School Children Receiving a Combination of Bacopa monnieri and Micronutrient Supplementation vs. Placebo. AB - Several studies have indicated a chronic cognitive enhancing effect of Bacopa monnieri across different ages and cognitive impairment associated with vitamin and mineral deficiencies in children. Therefore, we investigated the effects of 4 month supplementation with a combination of B. monnieri extract and multiple micronutrients on cognitive functions in Indian school children aged 7-12 years. This was a randomized, double-blind, parallel design, single-center study in which 300 children were randomized to receive a beverage either fortified with B. monnieri and multiple micronutrients ("fortified") or a non-fortified isocaloric equivalent ("control") twice-daily for 4 months. Cognitive function was assessed by the Cambridge Neuropsychological Automated Test Battery (CANTAB) administered at baseline, Day 60 and Day 121. The primary endpoint was change in short-term memory (working memory) from baseline in subjects receiving "fortified" vs. "control" beverages after 4 months. Secondary endpoints included sustained attention, episodic memory, and executive function. The "fortified" beverage did not significantly improve short-term memory or any of the secondary outcomes tested relative to the "control" beverage. However, the spatial working memory "strategy" score showed significant improvement on Day 60 (difference between groups in change from baseline: -0.55; p < 0.05), but not on Day 121 due to the active intervention. Study products were well-tolerated. Reasons for these unexpected findings are discussed. PMID- 29204117 TI - Protective Effect of Pogostone on 2,4,6-Trinitrobenzenesulfonic Acid-Induced Experimental Colitis via Inhibition of T Helper Cell. AB - Inflammatory bowel disease (IBD) is a chronic immune-related disease mainly caused by the disequilibrium of T helper (Th) cell paradigm? Pogostone (PO) is one of the major chemical constituents of Pogostemon cablin (Blanco) Benth. The present study aims to investigate the potential benefit of PO against IBD in a 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced experimental colitis model. PO treatment by enema significantly brought down the disease activity index (DAI) of the TNBS-challenged rats, which was manifested by the ameliorated inflammatory features including ulceration, adhesion, and edema. Hematoxylin-eosin (HE) staining and immunohistochemistry analysis showed that PO effectively relived colon damage by restoring epithelium, and more importantly, by inhibiting the infiltration of pro-inflammatory Th1 and Th17 cells in the colon. Additionally, PO inhibited the activity of myeloperoxidase and secretion of inflammatory cytokines including IFN-gamma, IL-12p70, IL-17A, and IL-10. Together with our previous findings, the present data indicated that the anti-IBD effect of PO probably related to its direct inhibition on Th cell proliferation and suppression of the cytokines secretion. These results highlighted the potential of PO as a promising candidate to relieve IBD. PMID- 29204118 TI - The Sources of Chemical Contaminants in Food and Their Health Implications. AB - Food contamination is a matter of serious concern, as the high concentration of chemicals present in the edibles poses serious health risks. Protecting the public from the degrees of the harmfulness of contaminated foods has become a daunting task. This article highlights the causes, types, and health implications of chemical contamination in food. The food contamination could be due to naturally occurring contaminants in the environment or artificially introduced by the human. The phases of food processing, packaging, transportation, and storage are also significant contributors to food contamination. The implications of these chemical contaminants on human health are grave, ranging from mild gastroenteritis to fatal cases of hepatic, renal, and neurological syndromes. Although, the government regulates such chemicals in the eatables by prescribing minimum limits that are safe for human consumption yet measures still need to be taken to curb food contamination entirely. Therefore, a variety of food needs to be inspected and measured for the presence of chemical contaminants. The preventative measures pertaining about the food contaminants problems are pointed out and discussed. PMID- 29204119 TI - Differential Effects of Inactivation of Discrete Regions of Medial Prefrontal Cortex on Memory Consolidation of Moderate and Intense Inhibitory Avoidance Training. AB - It has been found that the medial prefrontal cortex (mPFC) is involved in memory encoding of aversive events, such as inhibitory avoidance (IA) training. Dissociable roles have been described for different mPFC subregions regarding various memory processes, wherein the anterior cingulate cortex (ACC), prelimbic cortex (PL), and infralimbic cortex (IL) are involved in acquisition, retrieval, and extinction of aversive events, respectively. On the other hand, it has been demonstrated that intense training impedes the effects on memory of treatments that typically interfere with memory consolidation. The aim of this work was to determine if there are differential effects on memory induced by reversible inactivation of neural activity of ACC, PL, or IL produced by tetrodotoxin (TTX) in rats trained in IA using moderate (1.0 mA) and intense (3.0 mA) foot-shocks. We found that inactivation of ACC has no effects on memory consolidation, regardless of intensity of training. PL inactivation impairs memory consolidation in the 1.0 mA group, while no effect on consolidation was produced in the 3.0 mA group. In the case of IL, a remarkable amnestic effect in LTM was observed in both training conditions. However, state-dependency can explain the amnestic effect of TTX found in the 3.0 mA IL group. In order to circumvent this effect, TTX was injected into IL immediately after training (thus avoiding state dependency). The behavioral results are equivalent to those found after PL inactivation. Therefore, these findings provide evidence that PL and IL, but not ACC, mediate LTM of IA only in moderate training. PMID- 29204120 TI - Alternation of Gut Microbiota in Patients with Pulmonary Tuberculosis. AB - One-third of the world's population has been infected with Mycobacterium tuberculosis (M. tuberculosis), a primary pathogen of the mammalian respiratory system, while about 10% of latent infections progress to active tuberculosis (TB), indicating that host and environmental factors may determine the outcomes such as infection clearance/persistence and treatment prognosis. The gut microbiota is essential for development of host immunity, defense, nutrition and metabolic homeostasis. Thus, the pattern of gut microbiota may contribute to M. tuberculosis infection and prognosis. In current study we characterized the differences in gut bacterial communities in new tuberculosis patients (NTB), recurrent tuberculosis patients (RTB), and healthy control. The abundance-based coverage estimator (ACE) showed the diversity index of the gut microbiota in the patients with recurrent tuberculosis was increased significantly compared with healthy controls (p < 0.05). At the phyla level, Actinobacteria and Proteobacteria, which contain many pathogenic species, were significantly enriched in the feces RTB patients. Conversely, phylum Bacteroidetes, containing a variety of beneficial commensal organisms, was reduced in the patients with the recurrent tuberculosis compared to healthy controls. The Gram-negative genus Prevotella of oral origin from phylum of Bacteroidetes and genus Lachnospira from phylum of Firmicutes were significantly decreased in both the new and recurrent TB patient groups, compared with the healthy control group (p < 0.05). We also found that there was a positive correlation between the gut microbiota and peripheral CD4+ T cell counts in the patients. This study, for the first time, showed associations between gut microbiota with tuberculosis and its clinical outcomes. Maintaining eubiosis, namely homeostasis of gut microbiota, may be beneficial for host recovery and prevention of recurrence of M. tuberculosis infection. PMID- 29204121 TI - Abnormal CFTR Affects Glucagon Production by Islet alpha Cells in Cystic Fibrosis and Polycystic Ovarian Syndrome. AB - Glucagon, produced by islet alpha cells, functions to increase blood glucose. Abnormal glucose levels are often seen in cystic fibrosis (CF), a systematic disease caused by mutations of the CF transmembrane conductance regulator (CFTR), and in polycystic ovarian syndrome (PCOS), an endocrine disorder featured with hyperandrogenism affecting 5-10% women of reproductive age. Here, we explored the role of CFTR in glucagon production in alpha cells and its possible contribution to glucagon disturbance in CF and PCOS. We found elevated fasting glucagon levels in CFTR mutant (DF508) mice compared to the wildtypes. Glucagon and prohormone convertase 2 (PC2) were also upregulated in CFTR inhibitor-treated or DF508 islets, as compared to the controls or wildtypes, respectively. Dihydrotestosterone (DHT)-induced PCOS rats exhibited significantly lower fasting glucagon levels with higher CFTR expression in alpha cells compared to that of controls. Treatment of mouse islets or alphaTC1-9 cells with DHT enhanced CFTR expression and reduced the levels of glucagon and PC2. The inhibitory effect of DHT on glucagon production was blocked by CFTR inhibitors in mouse islets, and mimicked by overexpressing CFTR in alphaTC1-9 cells with reduced phosphorylation of the cAMP/Ca2+ response element binding protein (p-CREB), a key transcription factor for glucagon and PC2. These results revealed a previously undefined role of CFTR in suppressing glucagon production in alpha-cells, defects in which may contribute to glucose metabolic disorder seen in CF and PCOS. PMID- 29204122 TI - LETM1-Mediated K+ and Na+ Homeostasis Regulates Mitochondrial Ca2+ Efflux. AB - Ca2+ transport across the inner membrane of mitochondria (IMM) is of major importance for their functions in bioenergetics, cell death and signaling. It is therefore tightly regulated. It has been recently proposed that LETM1-an IMM protein with a crucial role in mitochondrial K+/H+ exchange and volume homeostasis-also acts as a Ca2+/H+ exchanger. Here we show for the first time that lowering LETM1 gene expression by shRNA hampers mitochondrial K+/H+ and Na+/H+ exchange. Decreased exchange activity resulted in matrix K+ accumulation in these mitochondria. Furthermore, LETM1 depletion selectively decreased Na+/Ca2+ exchange mediated by NCLX, as observed in the presence of ruthenium red, a blocker of the Mitochondrial Ca2+ Uniporter (MCU). These data confirm a key role of LETM1 in monovalent cation homeostasis, and suggest that the effects of its modulation on mitochondrial transmembrane Ca2+ fluxes may reflect those on Na+/H+ exchange activity. PMID- 29204123 TI - Network Modularity in Breast Cancer Molecular Subtypes. AB - Breast cancer is a heterogeneous and complex disease, a clear manifestation of this is its classification into different molecular subtypes. On the other hand, gene transcriptional networks may exhibit different modular structures that can be related to known biological processes. Thus, modular structures in transcriptional networks may be seen as manifestations of regulatory structures that tightly controls biological processes. In this work, we identify modular structures on gene transcriptional networks previously inferred from microarray data of molecular subtypes of breast cancer: luminal A, luminal B, basal, and HER2-enriched. We analyzed the modules (communities) found in each network to identify particular biological functions (described in the Gene Ontology database) associated to them. We further explored these modules and their associated functions to identify common and unique features that could allow a better level of description of breast cancer, particularly in the basal-like subtype, the most aggressive and poor prognosis manifestation. Our findings related to the immune system and a decrease in cell death-related processes in basal subtype could help to understand it and design strategies for its treatment. PMID- 29204124 TI - Alternative Splicing of NOX4 in the Failing Human Heart. AB - Increased oxidative stress is a major contributor to the development and progression of heart failure, however, our knowledge on the role of the distinct NADPH oxidase (NOX) isoenzymes, especially on NOX4 is controversial. Therefore, we aimed to characterize NOX4 expression in human samples from healthy and failing hearts. Explanted human heart samples (left and right ventricular, and septal regions) were obtained from patients suffering from heart failure of ischemic or dilated origin. Control samples were obtained from donor hearts that were not used for transplantation. Deep RNA sequencing of the cardiac transcriptome indicated extensive alternative splicing of the NOX4 gene in heart failure as compared to samples from healthy donor hearts. Long distance PCR analysis with a universal 5'-3' end primer pair, allowing amplification of different splice variants, confirmed the presence of the splice variants. To assess translation of the alternatively spliced transcripts we determined protein expression of NOX4 by using a specific antibody recognizing a conserved region in all variants. Western blot analysis showed up-regulation of the full-length NOX4 in ischemic cardiomyopathy samples and confirmed presence of shorter isoforms both in control and failing samples with disease-associated expression pattern. We describe here for the first time that NOX4 undergoes extensive alternative splicing in human hearts which gives rise to the expression of different enzyme isoforms. The full length NOX4 is significantly upregulated in ischemic cardiomyopathy suggesting a role for NOX4 in ROS production during heart failure. PMID- 29204125 TI - Alcohol's Effects on Pair-Bond Maintenance in Male Prairie Voles. AB - Alcohol abuse can have devastating effects on social relationships. In particular, discrepant patterns of heavy alcohol consumption are associated with increased rates of separation and divorce. Previous studies have attempted to model these effects of alcohol using socially monogamous prairie voles. These studies showed that alcohol consumption can inhibit the formation of pair bonds in this species. While these findings indicated that alcohol's effects on social attachments can involve biological mechanisms, the formation of pair bonds does not properly model long-term human attachments. To overcome this caveat, this study explored whether discordant or concordant alcohol consumption between individuals within established pairs affects maintenance of pair bonds in male prairie voles. Male and female prairie voles were allowed to form a pair bond for 1 week. Following this 1-week cohabitation period, males received access to 10% continuous ethanol; meanwhile, their female partners had access to either alcohol and water or just water. When there was a discrepancy in alcohol consumption, male prairie voles showed a decrease in partner preference (PP). Conversely, when concordant drinking occurred, males showed no inhibition in PP. Further analysis revealed a decrease in oxytocin immunoreactivity in the paraventricular nucleus of alcohol-exposed males that was independent of the drinking status of their female partners. On the other hand, only discordant alcohol consumption resulted in an increase of FosB immunoreactivity in the periaqueductal gray of male voles, a finding suggesting a potential involvement of this brain region in the effects of alcohol on maintenance of pair bonds. Our studies provide the first evidence that alcohol has effects on established pair bonds and that partner drinking status plays a large role in these effects. PMID- 29204126 TI - Pharmacokinetic, Ambulatory, and Hyperthermic Effects of 3,4-Methylenedioxy-N Methylcathinone (Methylone) in Rats. AB - Methylone (3,4-methylenedioxy-N-methylcathinone) is a synthetic cathinone analog of the recreational drug ecstasy. Although it is marketed to recreational users as relatively safe, fatalities due to hyperthermia, serotonin syndrome, and multi organ system failure have been reported. Since psychopharmacological data remain scarce, we have focused our research on pharmacokinetics, and on a detailed evaluation of temporal effects of methylone and its metabolite nor-methylone on behavior and body temperature in rats. Methylone [5, 10, 20, and 40 mg/kg subcutaneously (s.c.)] and nor-methylone (10 mg/kg s.c.) were used in adolescent male Wistar rats across three behavioral/physiological procedures and in two temporal windows from administration (15 and 60 min) in order to test: locomotor effects in the open field, sensorimotor gating in the test of prepulse inhibition (PPI), and effects on rectal temperature in individually and group-housed rats. Serum and brain pharmacokinetics after 10 mg/kg s.c. over 8 h were analyzed using liquid chromatography mass spectrometry. Serum and brain levels of methylone and nor-methylone peaked at 30 min after administration, both drugs readily penetrated the brain with serum: brain ratio 1:7.97. Methylone dose-dependently increased overall locomotion. It also decrease the amount of time spent in the center of open field arena in dose 20 mg/kg and additionally this dose induced stereotyped circling around the arena walls. The maximum of effects corresponded to the peak of its brain concentrations. Nor-methylone had approximately the same behavioral potency. Methylone also has weak potency to disturb PPI. Behavioral testing was not performed with 40 mg/kg, because it was surprisingly lethal to some animals. Methylone 10 and 20 mg/kg s.c. induced hyperthermic reaction which was more pronounced in group-housed condition relative to individually housed rats. To conclude, methylone increased exploration and/or decreased anxiety in the open field arena and with nor-methylone had short duration of action with effects typical for mixed indirect dopamine-serotonin agonists such as 3,4 metyhlenedioxymethamphetamine (MDMA) or amphetamine. Given the fact that the toxicity was even higher than the known for MDMA and that it can cause hyperthermia it possess a threat to users with the risk for serotonin syndrome especially when used in crowded conditions. PMID- 29204127 TI - Synthetic Aminoindanes: A Summary of Existing Knowledge. AB - Objectives: Aminoindanes ("bath salts," a class of novel psychoactive substances, NPSs) increased rapidly in popularity on the recreational drug market, particularly after mephedrone and other synthetic cathinones were banned in the UK in 2010. Novel aminoindanes continue to emerge, but relatively little is known about their effects and risks. Their history, chemistry, pharmacology, behavioral effects, pharmacokinetics, and toxicity are reviewed in this paper. Methods: Scientific literature was searched on ISI Web of Knowledge: Web of Science (WoS) during June and July 2017, using English language terms: aminoindanes such as 5,6 methylenedioxy-2-aminoindane (MDAI), 5-iodo-2-aminoindane (5-IAI), 2-aminoindane (2-AI), 5,6-methylenedioxy-N-methyl-2-aminoindane (MDMAI), and 5-methoxy-6-methyl 2-aminoindane (MMAI). WoS was selected as it searches several databases simultaneously and has quality criteria for inclusion. For typical use and effects, Erowid, PsychonautWiki, Bluelight, and Drugs-Forum were searched; for legal status and epidemiology, the European Information System and Database on New Drugs (EDND) was used. Results: Aminoindanes were first synthesized for medical use, e.g., as anti-Parkinsonian drugs and later as a potential compound facilitating psychotherapy; however, they are now widely substituted for ecstasy. Their mechanisms of action (primarily via serotonin) mean that they may pose a significant risk of serotonin syndrome at high doses or when combined with other drugs. Fatally toxic effects have been observed both in the laboratory in animal studies and in clinic, where deaths related with aminoindanes have been reported. Conclusion: Greater knowledge about aminoindanes is urgently required to decrease risks of fatal intoxication, and appropriate legislation is needed to protect public health without impeding research. PMID- 29204128 TI - The Art Gallery Test: A Preliminary Comparison between Traditional Neuropsychological and Ecological VR-Based Tests. AB - Ecological validity should be the cornerstone of any assessment of cognitive functioning. For this purpose, we have developed a preliminary study to test the Art Gallery Test (AGT) as an alternative to traditional neuropsychological testing. The AGT involves three visual search subtests displayed in a virtual reality (VR) art gallery, designed to assess visual attention within an ecologically valid setting. To evaluate the relation between AGT and standard neuropsychological assessment scales, data were collected on a normative sample of healthy adults (n = 30). The measures consisted of concurrent paper-and-pencil neuropsychological measures [Montreal Cognitive Assessment (MoCA), Frontal Assessment Battery (FAB), and Color Trails Test (CTT)] along with the outcomes from the three subtests of the AGT. The results showed significant correlations between the AGT subtests describing different visual search exercises strategies with global and specific cognitive measures. Comparative visual search was associated with attention and cognitive flexibility (CTT); whereas visual searches involving pictograms correlated with global cognitive function (MoCA). PMID- 29204129 TI - "Maybe I Will Just Send a Quick Text..." - An Examination of Drivers' Distractions, Causes, and Potential Interventions. AB - Many people use cars all over the world. This is, however, not done without risk, as traffic accidents are one of the most common causes of death for adolescents worldwide. The number of deaths has steadily decreased, both worldwide and in Norway. Many of these accidents involve passenger cars and distracted driving. While there are many campaigns to improve safety in traffic, little research has looked at distractions. A recent report has investigated the occurrence of and damage caused by distraction, and one article has looked at what predicts baseline differences in levels of distracted driving. However, no one has tested an intervention to decrease distracted behavior in traffic. Motivational variables suggested by the Theory of Planned Behavior, personality traits, and demographic variables show utility in similar contexts and are all tested in this project. Data from two samples were collected to investigate the nature of distractions in traffic, what factors predict baseline levels of distractions, and to test an intervention to reduce distractions. Both samples feature randomly assigned intervention and control groups. The first sample (n = 1100 total; n = 208 was licensed to drive) consisted of high school students from all over Norway as a part of a larger attitudinal campaign, while the second sample (n = 414) was more general. The second tested a digital version of implementation intentions designed as volitional help sheets. The results from both samples suggest that there are some robust differences between people in how much they are distracted in everyday life, while some variables need further research. The second study failed to uncover any effects of the intervention. Reasons for this are discussed, along with points on the efficacy of digital interventions, the design of the volitional help sheets, and the design of the study in general. Notwithstanding the ineffectual interventions, this study contains novel information about baseline differences in distractive behavior that may further impact future behavior change interventions and guide future research. PMID- 29204130 TI - Development of Attention to Faces during the First 3 Years: Influences of Stimulus Type. AB - The development of attention toward faces was explored during the first 3 years of life in 54 children aged between 3 and 36 months. In contrast to previous research, attention to faces was assessed using both static images and a dynamic video sequence in the same participants. Separate analyses at each age and exploratory longitudinal analyses indicate a preference for faces during the first year, followed by a decline during the second year. These results suggest that attention to faces does not follow a linear increasing pattern over development, and that social attention patterns are influenced by stimulus characteristics. PMID- 29204131 TI - 'Leave Your Ego at the Door': A Narrative Investigation into Effective Wingsuit Flying. AB - In recent years there has been a rapid growth in interest in extreme sports. For the most part research has focused on understanding motivations for participation in extreme sports and very little research has attempted to investigate the psychological structure of effective performance. Those few studies that have attempted to explore this issue have tested models designed for traditional sport on adventure sports. However, extreme sports are not the same as adventure sports or traditional sports. This study employed a narrative approach to investigate experiences of effective performance in the extreme sport of proximity wingsuit flying. An overarching theme we labeled 'leave your ego at the door,' emerged based on four sub-themes: (1) know thy self, (2) know thy skills, (3) know the environment now, and (4) tame the 'inner animal.' These themes are presented and discussed in relation to performance and discovery narratives identified within elite sport, thereby shedding light on how participants' experiences of the extreme sport of proximity wingsuit flying differ from dominant stories within traditional sports. PMID- 29204132 TI - The Relationship between Regional Gray Matter Volume of Social Exclusion Regions and Personal Self-Esteem Is Moderated by Collective Self-Esteem. AB - According to sociometer theory, self-esteem is an internal monitor of positive social bonds to others. Social exclusion can break or threaten social bonds, which might be reflected by the brain structure of social exclusion regions. Thus, self-esteem might be influenced by structurally individual differences in these regions. It has been suggested that self-esteem can be divided into personal (PSE) and collective (CSE) self-esteem and CSE can bring individuals many benefits, such as acceptance, belonging, and social support, which could further maintain or increase their PSE. Based on this, we hypothesized that CSE might moderate the relationship between structurally individual differences in social exclusion regions and PSE. Therefore, in the present study, the moderating effect of CSE on the relationships between PSE and individual differences in regional gray matter volume (rGMV) of 10 social exclusion regions from previous meta-analysis of social exclusion were investigated using voxel-based morphometry. The results showed that CSE played a moderating role in the relationship between PSE and rGMV of the left posterior cingulate cortex (PCC). Specifically, PSE was positively associated with rGMV of left PCC in lower CSE, while there was no significant relationship between PSE and rGMV of left PCC in higher CSE. Therefore, we believe that compared with a higher CSE, because of lack of acceptance, belonging, and social support from valued groups, lower CSE individuals might be more prone to be influenced by social exclusion with decreased rGMV of the left PCC, which makes them more prone to develop lower PSE. PMID- 29204133 TI - Gratitude in Organizations: A Contribution for Healthy Organizational Contexts. AB - This article reviews the construct of gratitude. Gratitude has been shown to be a fundamental resource for strengthening individual well-being. From a positive psychology perspective, gratitude is recognized as a promising opportunity for individuals because it can be enhanced through specific training according to a primary prevention framework. In organizations, gratitude is now thought to be crucial to employees' efficiency, success, and productivity while also improving organizational citizenship behaviors, prosocial organizational behavior, and the organizational climate. Thus, gratitude is noteworthy because it increases positive relationships, social support, and workers' well-being, reduces negative emotions at the workplace, and enhances organizational health and success. This perspective article concludes by suggesting new directions for gratitude research and intervention in the organizational context. PMID- 29204134 TI - Retraction: How Traumatic Violence Permanently Changes Shopping Behavior. AB - [This retracts the article on p. 1298 in vol. 7, PMID: 27656152.]. PMID- 29204135 TI - Recombinant Uncarboxylated Osteocalcin Per Se Enhances Mouse Skeletal Muscle Glucose Uptake in both Extensor Digitorum Longus and Soleus Muscles. AB - Emerging evidence suggests that undercarboxylated osteocalcin (ucOC) improves muscle glucose uptake in rodents. However, whether ucOC can directly increase glucose uptake in both glycolytic and oxidative muscles and the possible mechanisms of action still need further exploration. We tested the hypothesis that ucOC per se stimulates muscle glucose uptake via extracellular signal regulated kinase (ERK), adenosine monophosphate-activated protein kinase (AMPK), and/or the mechanistic target of rapamycin complex 2 (mTORC2)-protein kinase B (AKT)-AKT substrate of 160 kDa (AS160) signaling cascade. Extensor digitorum longus (EDL) and soleus muscles from male C57BL/6 mice were isolated, divided into halves, and then incubated with ucOC with or without the pretreatment of ERK inhibitor U0126. ucOC increased muscle glucose uptake in both EDL and soleus. It also enhanced phosphorylation of ERK2 (Thr202/Tyr204) and AS160 (Thr642) in both muscle types and increased mTOR phosphorylation (Ser2481) in EDL only. ucOC had no significant effect on the phosphorylation of AMPKalpha (Thr172). The inhibition of ucOC-induced ERK phosphorylation had limited effect on ucOC stimulated glucose uptake and AS160 phosphorylation in both muscle types, but appeared to inhibit the elevation in AKT phosphorylation only in EDL. Taken together, ucOC at the physiological range directly increased glucose uptake in both EDL and soleus muscles in mouse. The molecular mechanisms behind this ucOC effect on muscle glucose uptake seem to be muscle type-specific, involving enhanced phosphorylation of AS160 but limitedly modulated by ERK phosphorylation. Our study suggests that, since ucOC increases muscle glucose uptake without insulin, it could be considered as a potential agent to improve muscle glucose uptake in insulin resistant conditions. PMID- 29204138 TI - Retraction: Pseudopyronine B: A Potent Antimicrobial and Anticancer Molecule Isolated from a Pseudomonas mosselii. AB - [This retracts the article on p. 1307 in vol. 7, PMID: 27617005.]. PMID- 29204136 TI - Suppression of Poxvirus Replication by Resveratrol. AB - Poxviruses continue to cause serious diseases even after eradication of the historically deadly infectious human disease, smallpox. Poxviruses are currently being developed as vaccine vectors and cancer therapeutic agents. Resveratrol is a natural polyphenol stilbenoid found in plants that has been shown to inhibit or enhance replication of a number of viruses, but the effect of resveratrol on poxvirus replication is unknown. In the present study, we found that resveratrol dramatically suppressed the replication of vaccinia virus (VACV), the prototypic member of poxviruses, in various cell types. Resveratrol also significantly reduced the replication of monkeypox virus, a zoonotic virus that is endemic in Western and Central Africa and causes human mortality. The inhibitory effect of resveratrol on poxviruses is independent of VACV N1 protein, a potential resveratrol binding target. Further experiments demonstrated that resveratrol had little effect on VACV early gene expression, while it suppressed VACV DNA synthesis, and subsequently post-replicative gene expression. PMID- 29204137 TI - Microbial Mechanistic Insight into the Role of Inulin in Improving Maternal Health in a Pregnant Sow Model. AB - General consumption of "western diet" characterized by high refined carbohydrates, fat and energy intake has resulted in a global obesity epidemics and related metabolic disturbance even for pregnant women. Pregnancy process is accompanied by substantial hormonal, metabolic and immunological changes during which gut microbiota is also remarkably remodeled. Dietary fiber has been demonstrated to have a striking role in shifting the microbial composition so as to improve host metabolism and health in non-pregnant individuals. The present study was conducted to investigate effects of adding a soluble dietary fiber inulin (0 or 1.5%) to low- or high- fat (0 or 5% fat addition) gestational diet on maternal and neonatal health and fecal microbial composition in a sow model. Results showed that inulin addition decreased the gestational body weight gain and fat accumulation induced by fat addition. Circulating concentrations of pro inflammatory cytokine IL-6, adipokine leptin and chemerin were decreased by inulin supplementation. Inulin addition remarkably reduced the average BMI of newborn piglets and the within litter BMI distributions (%) ranging between 17 and 20 kg/m2, and increased the BMI distribution ranging between 14 and 17 kg/m2. 16S rRNA gene sequencing of the V3-V4 region showed that fecal microbial changes at different taxonomic levels triggered by inulin addition predisposed the pregnant sow to be thinner and lower inflammatory. Meanwhile, fecal microbial composition was also profoundly altered by gestation stage with distinct changes occurring at perinatal period. Most representative volatile fatty acid (VFA) producing-related genera changed dramatically when reaching the perinatal period and varied degrees of increases were detected with inulin addition. Fecal VFA concentrations failed to show any significant effect with dietary intervention, however, were markedly increased at perinatal period. Our findings indicate that positive microbial changes resulted by 1.5% soluble fiber inulin addition would possibly be the potential mechanisms under which maternal body weight, metabolic and inflammatory status and neonatal BMI were improved. Besides, distinct changes of microbial community at perinatal period indicated the mother sow is undergoing a catabolic state with increased energy loss and inflammation response at that period compared with other stages of gestation. PMID- 29204139 TI - Mycobacterium tuberculosis Latent Antigen Rv2029c from the Multistage DNA Vaccine A39 Drives TH1 Responses via TLR-mediated Macrophage Activation. AB - Targeting of Mycobacterium tuberculosis (MTB) latent antigens comprises a crucial strategy for the development of alternative tuberculosis (TB) vaccine(s) that protects against TB reactivation. Here, we generated a multistage DNA vaccine, A39, containing the early antigens Ag85A and Rv3425 as well as the latency associated protein Rv2029c, which conferred protective immunity in a pre-exposure mouse model. Moreover, administration of the A39 vaccination after MTB exposure inhibited reactivation and resulted in significantly lower bacterial loads in the lungs and spleen of mice, compared to those in the control population. Subsequently, we investigated the effect of Rv2029c on innate immunity and characterized the molecular details of the interaction of this protein with the host via iTRAQ proteomic and biochemical assay analyses. Rv2029c activated macrophages, triggered the production of pro-inflammatory cytokines, and promoted toll-like receptor/mitogen-activated protein kinase (TLR/MAPK)-dependent macrophage apoptosis. Furthermore, Rv2029c treatment enhanced the ability of Mycobacterium bovis Bacillus Calmette-Guerin (BCG)-infected macrophages to present antigens to CD4+ T cells in vitro, which correlated with an increase in MHC-II expression. Lastly, Rv2029c-treated macrophages activated T cells, effectively polarized CD4+ and CD8+ T cells to secrete IFN-gamma and IL-2, and specifically expanded a population of CD44highCD62LlowCD4+/CD8+ effector/memory cells, indicating that Rv2029c, as a specific recall antigen, contributes to Th1 polarization in T cell immunity. These results suggest that Rv2029c and A39 comprise promising targets for the development of next-generation clinical TB therapeutic vaccines. PMID- 29204140 TI - Comparative Outer Membrane Protein Analysis of High and Low-Invasive Strains of Cronobacter malonaticus. AB - Cronobacter are an important group of foodborne pathogens that has been linked to life-threatening infections in both infants and adults. The major infections associated with Cronobacter species are neonatal meningitis, necrotizing enterocolitis, and septicaemia. There are seven species in the Cronobacter genus, of which only three are of clinical importance; Cronobacter sakazakii, Cronobacter malonaticus, and Cronobacter turicensis. To date most studies have focussed on C. sakazakii as it is the major species associated with neonatal infections. However, recently C. malonaticus, in particular sequence type 7 (ST7), has been noted as being prevalent in adult infections and therefore warranting further investigation. In this study, eight strains of C. malonaticus ST7, that had been isolated from a wide range of sources and varied in their in vitro virulence, were chosen for proteomic analysis of their outer membrane proteins (OMPs). One-dimensional gel analysis revealed a ~29 kDa size band that was only present in the highly invasive strains. Subsequent mass spectrometric analysis identified several peptides that matched the flagellin protein. The presence of flagellin protein was confirmed in 2D gel spot. Mass spectrometry analysis of total OMPs revealed that the four highly invasive C. malonaticus strains expressed the main flagellum proteins that were absent from the four low invasive strains. These were the flagellar hook protein FlgE, flagellar hook associated protein 1, flagellar hook-associated protein, flagellin, and flagellar hook-filament junction protein FlgL. This data indicates that C. malonaticus flagellar proteins may have an important role in the organism's invasion properties. PMID- 29204141 TI - Flos Lonicera Combined with Metformin Ameliorates Hepatosteatosis and Glucose Intolerance in Association with Gut Microbiota Modulation. AB - The gut microbiota is important in energy contribution, metabolism and immune modulation, and compositional disruption of the gut microbiota population is closely associated with chronic metabolic diseases like type 2 diabetes (T2D) and non-alcoholic fatty liver disease (NAFLD). Metformin (MET) and Flos Lonicera (FL) are common treatments for metabolic diseases in Western and Oriental medicinal fields. We evaluated the effect of treatment with FL and MET in combination on hepatosteatosis, glucose tolerance, and gut microbial composition. FL and MET were administered to Otsuka Long-Evans Tokushima Fatty (OLETF) rats, an animal model of genetic T2D and NAFLD. The FL+MET treatment reduced liver weight, serum cholesterol, insulin resistance, and hepatic MDA level and modulated the gut microbial composition. More specifically, the genera of Prevotella and Lactobacillus were negatively associated with the body and liver weights, hepatic TG and TC content, and serum insulin level. However, the relative abundance of these genera decreased in response to the FL+MET treatment. Interestingly, pathway prediction data revealed that the FL+MET treatment attenuated lipopolysaccharide-related pathways, in keeping with the decrease in serum and fecal endotoxin levels. FL and MET in combination exerts a synergistic effect on the improvement of hepatosteatosis and insulin sensitivity in OLETF rats, and modulates gut microbiota in association with the effect. PMID- 29204142 TI - Quantitative Detection of Active Vibrios Associated with White Plague Disease in Mussismilia braziliensis Corals. AB - Over recent decades several coral diseases have been reported as a significant threat to coral reef ecosystems causing the decline of corals cover and diversity around the world. The development of techniques that improve the ability to detect and quantify microbial agents involved in coral disease will aid in the elucidation of disease cause, facilitating coral disease detection and diagnosis, identification and pathogen monitoring, pathogen sources, vectors, and reservoirs. The genus Vibrio is known to harbor pathogenic strains to marine organisms. One of the best-characterized coral pathogens is Vibrio coralliilyticus, an aetilogic agent of White Plague Disease (WPD). We used Mussismilia coral tissue (healthy and diseased specimens) to develop a rapid reproducible detection system for vibrios based on RT-QPCR and SYBR chemistry. We were able to detect total vibrios in expressed RNA targeting the 16S rRNA gene at 5.23 * 106 copies/MUg RNA and V. coralliilyticus targeting the pyrH gene at 5.10 * 103 copies/MUg RNA in coral tissue. Detection of V. coralliilyticus in diseased and in healthy samples suggests that WPD in the Abrolhos Bank may be caused by a consortium of microorganism and not only a single pathogen. We developed a more practical and economic system compared with probe uses for the real-time detection and quantification of vibrios from coral tissues by using the 16S rRNA and pyrH gene. This qPCR assay is a reliable tool for the monitoring of coral pathogens, and can be useful to prevent, control, or reduce impacts in this ecosystem. PMID- 29204143 TI - Local Chromatin Features Including PU.1 and IKAROS Binding and H3K4 Methylation Shape the Repertoire of Immunoglobulin Kappa Genes Chosen for V(D)J Recombination. AB - V(D)J recombination is essential for the generation of diverse antigen receptor (AgR) repertoires. In B cells, immunoglobulin kappa (Igkappa) light chain recombination follows immunoglobulin heavy chain (Igh) recombination. We recently developed the DNA-based VDJ-seq assay for the unbiased quantitation of Igh VH and DH repertoires. Integration of VDJ-seq data with genome-wide datasets revealed that two chromatin states at the recombination signal sequence (RSS) of VH genes are highly predictive of recombination in mouse pro-B cells. It is unknown whether local chromatin states contribute to Vkappa gene choice during Igkappa recombination. Here we adapt VDJ-seq to profile the Igkappa VkappaJkappa repertoire and present a comprehensive readout in mouse pre-B cells, revealing highly variable Vkappa gene usage. Integration with genome-wide datasets for histone modifications, DNase hypersensitivity, transcription factor binding and germline transcription identified PU.1 binding at the RSS, which was unimportant for Igh, as highly predictive of whether a Vkappa gene will recombine or not, suggesting that it plays a binary, all-or-nothing role, priming genes for recombination. Thereafter, the frequency with which these genes recombine was shaped both by the presence and level of enrichment of several other chromatin features, including H3K4 methylation and IKAROS binding. Moreover, in contrast to the Igh locus, the chromatin landscape of the promoter, as well as of the RSS, contributes to Vkappa gene recombination. Thus, multiple facets of local chromatin features explain much of the variation in Vkappa gene usage. Together, these findings reveal shared and divergent roles for epigenetic features and transcription factors in AgR V(D)J recombination and provide avenues for further investigation of chromatin signatures that may underpin V(D)J-mediated chromosomal translocations. PMID- 29204144 TI - All-Trans Retinoic Acid Promotes an M1- to M2-Phenotype Shift and Inhibits Macrophage-Mediated Immunity to Leishmania major. AB - As key cells, able to host and kill Leishmania parasites, inflammatory monocytes/macrophages are potential vaccine and therapeutic targets to improve immune responses in Leishmaniasis. Macrophage phenotypes range from M1, which express NO-mediated microbial killing, to M2 macrophages that might help infection. Resistance to Leishmaniasis depends on Leishmania species, mouse strain, and both innate and adaptive immunity. C57BL/6 (B6) mice are resistant and control infection, whereas Leishmania parasites thrive in BALB/c mice, which are susceptible to develop cutaneous lesions in the course of infection with Leishmania major, but not upon infection with Leishmania braziliensis. Here, we investigated whether a deficit in early maturation of inflammatory monocytes into macrophages in BALB/c mice underlies increased susceptibility to L. major versus L. braziliensis parasites. We show that, after infection with L. braziliensis, monocytes are recruited to peritoneum, differentiate into macrophages, and develop an M1 phenotype able to produce proinflammatory cytokines in both B6 and BALB/c mice. Nonetheless, more mature macrophages from B6 mice expressed inducible NO synthase (iNOS) and higher NO production in response to L. braziliensis parasites, whereas BALB/c mice developed macrophages expressing an incomplete M1 phenotype. By contrast, monocytes recruited upon L. major infection gave rise to immature macrophages that failed to induce an M1 response in BALB/c mice. Overall, these results are consistent with the idea that resistance to Leishmania infection correlates with improved maturation of macrophages in a mouse-strain and Leishmania-species dependent manner. All-trans retinoic acid (ATRA) has been proposed as a therapy to differentiate immature myeloid cells into macrophages and help immunity to tumors. To prompt monocyte to macrophage maturation upon L. major infection, we treated B6 and BALB/c mice with ATRA. Unexpectedly, treatment with ATRA reduced proinflammatory cytokines, iNOS expression, and parasite killing by macrophages. Moreover, ATRA promoted an M1 to M2 transition in bone marrow-derived macrophages from both strains. Therefore, ATRA uncouples macrophage maturation and development of M1 phenotype and downmodulates macrophage-mediated immunity to L. major parasites. Cautions should be taken for the therapeutic use of ATRA, by considering direct effects on innate immunity to intracellular pathogens. PMID- 29204146 TI - Intracellular S100A9 Promotes Myeloid-Derived Suppressor Cells during Late Sepsis. AB - Myeloid precursor cell reprogramming into a myeloid-derived suppressor cell (MDSC) contributes to high mortality rates in mouse and human sepsis. S100A9 mRNA and intracellular protein levels increase during early sepsis and remain elevated in Gr1+CD11b+ MDSCs after pro-inflammatory sepsis transitions to the later chronic anti-inflammatory and immunosuppressive phenotype. The purpose of this study was to determine whether intracellular S100A9 protein might sustain Gr1+CD11b+ MDSC repressor cell reprogramming during sepsis. We used a chronic model of sepsis in mice to show that S100A9 release from MDSCs and circulating phagocytes decreases after early sepsis and that targeting the S100a9 gene improves survival. Surprisingly, we find that intracellular S100A9 protein translocates from the cytosol to nucleus in Gr1+CD11b+ MDSCs during late sepsis and promotes expression of miR-21 and miR-181b immune repressor mediators. We further provide support of this immunosuppression pathway in human sepsis. This study may inform a new therapeutic target for improving sepsis outcome. PMID- 29204145 TI - Molecular Signatures of Immunity and Immunogenicity in Infection and Vaccination. AB - Vaccinology aims to understand what factors drive vaccine-induced immunity and protection. For many vaccines, however, the mechanisms underlying immunity and protection remain incompletely characterized at best, and except for neutralizing antibodies induced by viral vaccines, few correlates of protection exist. Recent omics and systems biology big data platforms have yielded valuable insights in these areas, particularly for viral vaccines, but in the case of more complex vaccines against bacterial infectious diseases, understanding is fragmented and limited. To fill this gap, the EC supported ADITEC project (http://www.aditecproject.eu/; http://stm.sciencemag.org/content/4/128/128cm4.full) featured a work package on "Molecular signatures of immunity and immunogenicity," aimed to identify key molecular mechanisms of innate and adaptive immunity during effector and memory stages of immune responses following vaccination. Specifically, technologies were developed to assess the human immune response to vaccination and infection at the level of the transcriptomic and proteomic response, T-cell and B-cell memory formation, cellular trafficking, and key molecular pathways of innate immunity, with emphasis on underlying mechanisms of protective immunity. This work intersected with other efforts in the ADITEC project. This review summarizes the main achievements of the work package. PMID- 29204147 TI - Early Flowering as a Drought Escape Mechanism in Plants: How Can It Aid Wheat Production? AB - Drought escape (DE) is a classical adaptive mechanism which involves rapid plant development to enable the completion of the full life-cycle prior to a coming drought event. This strategy is widely used in populations of native plants, and is also applicable to cereal crops such as wheat. Early flowering time and a shorter vegetative phase can be very important for wheat production in conditions of terminal drought since this can minimize exposure to dehydration during the sensitive flowering and post-anthesis grain filling periods. A gradual shift toward early flowering has been observed over the last century of wheat breeding in countries with a Mediterranean-type climate and frequent terminal drought. This trend is predicted to continue for wheat production in the coming years in response to global climate warming. The advantage of early flowering wheat is apparent under conditions of impending terminal drought, and modern varieties are significantly more productive due to minimization of the risk associated with drought stress. Under favorable conditions, a short vegetative phase can result in reduced plant biomass due to the reduction in time available for photosynthetic production and seed nutrient accumulation. However, high yield potential has been reported for the development of both shallow and deep roots, representing plasticity in response to drought in combination with the early flowering trait. Wheat productivity can be high both in well-watered and drought affected field trials, where an efficient strategy of DE was associated with quick growth, yield potential and water use efficiency. Therefore, early flowering provides a promising strategy for the production of advanced drought adapted wheat cultivars. PMID- 29204149 TI - Diversity in Grain Amaranths and Relatives Distinguished by Genotyping by Sequencing (GBS). AB - The genotyping by sequencing (GBS) method has become a molecular marker technology of choice for many crop plants because of its simultaneous discovery and evaluation of a large number of single nucleotide polymorphisms (SNPs) and utility for germplasm characterization. Genome representation and complexity reduction are the basis for GBS fingerprinting and can vary by species based on genome size and other sequence characteristics. Grain amaranths are a set of three species that were domesticated in the New World to be high protein, pseudo cereal grain crops. The goal of this research was to employ the GBS technique for diversity evaluation in grain amaranth accessions and close relatives from six Amaranthus species and determine genetic differences and similarities between groupings. A total of 10,668 SNPs were discovered in 94 amaranth accessions with ApeKI complexity reduction and 10X genome coverage Illumina sequencing. The majority of the SNPs were species specific with 4,568 and 3,082 for the two grain amaranths originating in Central America Amaranthus cruentus and A. hypochondriacus and 3,284 found amongst both A. caudatus, originally domesticated in South America, and its close relative, A. quitensis. The distance matrix based on shared alleles provided information on the close relationships of the two cultivated Central American species with each other and of the wild and cultivated South American species with each other, as distinguished from the outgroup with two wild species, A. powellii and A. retroflexus. The GBS data also distinguished admixture between each pair of species and the geographical origins and seed colors of the accessions. The SNPs we discovered here can be used for marker development for future amaranth study. PMID- 29204148 TI - Insights into the Mechanisms Underlying Boron Homeostasis in Plants. AB - Boron is an essential element for plants but is toxic in excess. Therefore, plants must adapt to both limiting and excess boron conditions for normal growth. Boron transport in plants is primarily based on three transport mechanisms across the plasma membrane: passive diffusion of boric acid, facilitated diffusion of boric acid via channels, and export of borate anion via transporters. Under boron -limiting conditions, boric acid channels and borate exporters function in the uptake and translocation of boron to support growth of various plant species. In Arabidopsis thaliana, NIP5;1 and BOR1 are located in the plasma membrane and polarized toward soil and stele, respectively, in various root cells, for efficient transport of boron from the soil to the stele. Importantly, sufficient levels of boron induce downregulation of NIP5;1 and BOR1 through mRNA degradation and proteolysis through endocytosis, respectively. In addition, borate exporters, such as Arabidopsis BOR4 and barley Bot1, function in boron exclusion from tissues and cells under conditions of excess boron. Thus, plants actively regulate intracellular localization and abundance of transport proteins to maintain boron homeostasis. In this review, the physiological roles and regulatory mechanisms of intracellular localization and abundance of boron transport proteins are discussed. PMID- 29204150 TI - Rhizobium Impacts on Seed Productivity, Quality, and Protection of Pisum sativum upon Disease Stress Caused by Didymella pinodes: Phenotypic, Proteomic, and Metabolomic Traits. AB - In field peas, ascochyta blight is one of the most common fungal diseases caused by Didymella pinodes. Despite the high diversity of pea cultivars, only little resistance has been developed until to date, still leading to significant losses in grain yield. Rhizobia as plant growth promoting endosymbionts are the main partners for establishment of symbiosis with pea plants. The key role of Rhizobium as an effective nitrogen source for legumes seed quality and quantity improvement is in line with sustainable agriculture and food security programs. Besides these growth promoting effects, Rhizobium symbiosis has been shown to have a priming impact on the plants immune system that enhances resistance against environmental perturbations. This is the first integrative study that investigates the effect of Rhizobium leguminosarum bv. viceae (Rlv) on phenotypic seed quality, quantity and fungal disease in pot grown pea (Pisum sativum) cultivars with two different resistance levels against D. pinodes through metabolomics and proteomics analyses. In addition, the pathogen effects on seed quantity components and quality are assessed at morphological and molecular level. Rhizobium inoculation decreased disease severity by significant reduction of seed infection level. Rhizobium symbiont enhanced yield through increased seed fresh and dry weights based on better seed filling. Rhizobium inoculation also induced changes in seed proteome and metabolome involved in enhanced P. sativum resistance level against D. pinodes. Besides increased redox and cell wall adjustments light is shed on the role of late embryogenesis abundant proteins and metabolites such as the seed triterpenoid Soyasapogenol. The results of this study open new insights into the significance of symbiotic Rhizobium interactions for crop yield, health and seed quality enhancement and reveal new metabolite candidates involved in pathogen resistance. PMID- 29204152 TI - Insights into the Drought and Heat Avoidance Mechanism in Summer-Dormant Mediterranean Tall Fescue. AB - Summer dormancy is an evolutionary response that some perennial cool-season grasses adopted as an avoidance strategy to escape summer drought and heat. It is correlated with superior survival after severe summer droughts in many perennial grass species originating from Mediterranean environments. Understanding the genetic mechanism and environmental determinants of summer dormancy is important for interpreting the evolutionary history of seasonal dormancy and for the development of genomic tools to improve the efficiency of genetic selection for this important trait. The objectives of this research are to assess morphological and biochemical attributes that seem to be specific for the characterization of summer dormancy in tall fescue, and to validate the hypothesis that genes underlying stem determinacy might be involved in the mechanism of summer dormancy. Our results suggest that vernalization is an important requirement in the onset of summer dormancy in tall fescue. Non-vernalized tall fescue plants do not exhibit summer dormancy as vernalized plants do and behave more like summer active types. This is manifested by continuation of shoot growth and high root activity in water uptake during summer months. Therefore, summer dormancy in tall fescue should be tested only in plants that underwent vernalization and are not subjected to water deficit during summer months. Total phenolic concentration in tiller bases (antioxidants) does not seem to be related to vernalization. It is most likely an environmental response to protect meristems from oxidative stress. Sequence analysis of the TFL1 homolog CEN gene from tall fescue genotypes belonging to summer-dormant and summer-active tall fescue types showed a unique deletion of three nucleotides specific to the dormant genotypes. Higher tiller bud numbers in dormant plants that were not allowed to flower and complete the reproductive cycle, confirmed that stem determinacy is a major component in the mechanism of summer dormancy. The number of variables identified in these studies as potential players in summer dormancy in tall fescue including vernalization, TFL1/CEN, water status, and protection from oxidative stress are a further confirmation that summer dormancy is a quantitative trait controlled by several genes with varying effects and prone to genotype by environment interactions. PMID- 29204151 TI - An Alcohol Dehydrogenase Gene from Synechocystis sp. Confers Salt Tolerance in Transgenic Tobacco. AB - Synechocystis salt-responsive gene 1 (sysr1) was engineered for expression in higher plants, and gene construction was stably incorporated into tobacco plants. We investigated the role of Sysr1 [a member of the alcohol dehydrogenase (ADH) superfamily] by examining the salt tolerance of sysr1-overexpressing (sysr1-OX) tobacco plants using quantitative real-time polymerase chain reactions, gas chromatography-mass spectrometry, and bioassays. The sysr1-OX plants exhibited considerably increased ADH activity and tolerance to salt stress conditions. Additionally, the expression levels of several stress-responsive genes were upregulated. Moreover, airborne signals from salt-stressed sysr1-OX plants triggered salinity tolerance in neighboring wild-type (WT) plants. Therefore, Sysr1 enhanced the interconversion of aldehydes to alcohols, and this occurrence might affect the quality of green leaf volatiles (GLVs) in sysr1-OX plants. Actually, the Z-3-hexenol level was approximately twofold higher in sysr1-OX plants than in WT plants within 1-2 h of wounding. Furthermore, analyses of WT plants treated with vaporized GLVs indicated that Z-3-hexenol was a stronger inducer of stress-related gene expression and salt tolerance than E-2-hexenal. The results of the study suggested that increased C6 alcohol (Z-3-hexenol) induced the expression of resistance genes, thereby enhancing salt tolerance of transgenic plants. Our results revealed a role for ADH in salinity stress responses, and the results provided a genetic engineering strategy that could improve the salt tolerance of crops. PMID- 29204153 TI - Biomass Allocation Patterns Are Linked to Genotypic Differences in Whole-Plant Transpiration Efficiency in Sunflower. AB - Increased transpiration efficiency (the ratio of biomass to water transpired, TE) could lead to increased drought tolerance under some water deficit scenarios. Intrinsic (i.e., leaf-level) TE is usually considered as the primary source of variation in whole-plant TE, but empirical data usually contradict this assumption. Sunflower has a significant variability in TE, but a better knowledge of the effect of leaf and plant-level traits could be helpful to obtain more efficient genotypes for water use. The objective of this study was, therefore, to assess if genotypic variation in whole-plant TE is better related to leaf- or plant-level traits. Three experiments were conducted, aimed at verifying the existence of variability in whole-plant TE and whole-plant and leaf-level traits, and to assess their correlation. Sunflower public inbred lines and a segregating population of recombinant inbred lines were grown under controlled conditions and subjected to well-watered and water-deficit treatments. Significant genotypic variation was found for TE and related traits. These differences in whole-plant transpiration efficiency, both between genotypes and between plants within each genotype, showed no association to leaf-level traits, but were significantly and negatively correlated to biomass allocation to leaves and to the ratio of leaf area to total biomass. These associations are likely of a physiological origin, and not only a consequence of genetic linkage in the studied population. These results suggest that genotypic variation for biomass allocation could be potentially exploited as a source for increased transpiration efficiency in sunflower breeding programmes. It is also suggested that phenotyping for TE in this species should not be restricted to leaf-level measurements, but also include measurements of plant-level traits, especially those related to biomass allocation between photosynthetic and non-photosynthetic organs. PMID- 29204155 TI - A Meta-Analysis of Adalimumab for Fistula in Crohn's Disease. AB - Purpose: This study aimed to evaluate the therapeutic value of adalimumab (ADA) for fistula in Crohn's disease (CD). Methods: A computerized search of electronic databases, including PubMed, Web of Science, Embase, Google scholar, and the Cochrane Library from 2000 to October 2016, was performed. Randomized controlled trials (rcts) or nonrandomized controlled trials (n-rcts) were included in this article to evaluate the role of ADA in the management of fistula in CD. The methodological index for nonrandomized studies (MINORS evaluation tools) was used to assess the quality of every study. Result: Overall, seven studies and 379 patients comforted to the inclusion criteria of this meta-analysis. The result showed that 36% (95% CI: 0.31-0.41) of patients with complete fistula closure and 31% (95% CI: 0.031-0.61) of patients with partial response were received in CD with ADA treatment. Conclusion: We concluded that ADA is effective and safe for the treatment of fistula in CD according to current evidence. PMID- 29204156 TI - Sp17 Protein Expression and Major Histocompatibility Class I and II Epitope Presentation in Diffuse Large B Cell Lymphoma Patients. AB - Improved therapies are urgently needed for patients with diffuse large B cell lymphoma (DLBCL). Success using immune checkpoint inhibitors and chimeric antigen receptor T cell technology has fuelled demand for validated cancer epitopes. Immunogenic cancer testis antigens (CTAs), with their widespread expression in many tumours but highly restricted normal tissue distribution, represent attractive immunotherapeutic targets that may improve treatment options for DLBCL and other malignancies. Sperm protein 17 (Sp17), a CTA reported to be immunogenic in ovarian cancer and myeloma patients, is expressed in DLBCL. The aim of the present study was to investigate Sp17 epitope presentation via the presence of a cytotoxic T cell (CTL) and a CD4 T-helper (Th) response in DLBCL patients. A significant gamma-interferon CTL response was detected in peripheral blood mononuclear cells of 13/31 DLBCL patients following short-term cell stimulation with two novel HLA-A*0201 peptides and one previously reported HLA-A*0101 restricted nine-mer Sp17 peptide. No significant responses were detected in the HLA-A*0201-negative DLBCL patients or four healthy subjects. A novel immunogenic 20-mer CD4 Th Sp17 peptide was detected in 8/17 DLBCL patients. This is the first report of a CTL and a CD4 Th response to Sp17 in DLBCL and supports Sp17 as a potential immunotherapeutic target for DLBCL. PMID- 29204158 TI - Radiation treatment of prostate cancers - the contemporary role of modern brachytherapy techniques. PMID- 29204157 TI - Vitrification of Rhesus Macaque Mesenchymal Stem Cells and the Effects on Global Gene Expression. AB - Mesenchymal stem cells (MSCs) are one of the most promising adult stem cells for clinical application in a cell therapy. The development of large-scale cryopreservation techniques, such as vitrification, for MSCs is a prerequisite for clinical therapies. Dimethyl sulfoxide (DMSO) and ethylene glycol (EG) are two types of cryoprotectants widely used for cell vitrification. However, the effects of DMSO and EG on the biological characteristics and transcriptome profiles of MSCs after cryopreservation remain unknown. In the present study, the viability, immunophenotype of cell surface markers, proliferation, differentiation potency, and global gene expression of rhesus macaque bone marrow derived MSCs vitrified using DMSO and EG were studied. The results showed that vitrification did not affect the morphology, surface markers, and differentiation of the MSCs, and compared to DMSO, EG better protected cell viability and proliferation. Most importantly, vitrification resulted in changes in a large number of transcripts of MSCs either preserved using DMSO or EG. This report is the first to examine the effects of DMSO and EG on global gene expression in stem cells. These results will be beneficial to understanding the biological process involved in MSC vitrification and will contribute to improving cryopreservation protocols that maintain transcriptomic identity with high cryosurvival for preclinical research and clinical long-term storage. PMID- 29204159 TI - What pelvic radiation disease symptoms are experienced by patients receiving external beam radiotherapy and a high-dose-rate brachytherapy boost for prostate cancer? AB - Purpose: Research describing proctitis or pelvic radiation disease symptoms of prostate cancer patients one year after external beam radiotherapy (EBRT) plus high-dose-rate (HDR) brachytherapy is limited. This study aimed to assess prostate cancer patients' pelvic radiation disease symptoms from baseline to 12 months post-radiotherapy. Material and methods: Men with prostate cancer referred for EBRT and HDR brachytherapy were recruited. Patients' age, diagnosis, staging, PSA, past medical history, and treatment were recorded. Pelvic radiation disease symptoms were assessed via the Phase III EORTC proctitis module. Patients completed questionnaires before radiotherapy (baseline) and at one, three, six, and 12 months afterwards. To assess acute toxicity, symptoms one month after radiotherapy were compared with baseline. To assess post-treatment recovery, symptoms at three, six, and 12 months post radiotherapy were compared with one month. Symptom changes over time were assessed with linear mixed effect models. Results: Two hundred and sixty-six patients were recruited. Mean scores were below 2 at all time-points. The proportion of patients experiencing symptoms were also calculated. Linear mixed effect models showed that time-point, age, and T stage were associated with some pelvic radiation disease symptoms. Conclusions: Patients receiving EBRT plus HDR brachytherapy to the prostate experienced mild pelvic radiation disease symptoms. Determining the proportion of patients with symptoms provided the most meaningful data. PMID- 29204154 TI - Mitochondria: A Common Target for Genetic Mutations and Environmental Toxicants in Parkinson's Disease. AB - Parkinson's disease (PD) is a devastating neurological movement disorder. Since its first discovery 200 years ago, genetic and environmental factors have been identified to play a role in PD development and progression. Although genetic studies have been the predominant driving force in PD research over the last few decades, currently only a small fraction of PD cases can be directly linked to monogenic mutations. The remaining cases have been attributed to other risk associated genes, environmental exposures and gene-environment interactions, making PD a multifactorial disorder with a complex etiology. However, enormous efforts from global research have yielded significant insights into pathogenic mechanisms and potential therapeutic targets for PD. This review will highlight mitochondrial dysfunction as a common pathway involved in both genetic mutations and environmental toxicants linked to PD. PMID- 29204160 TI - Does supplemental external beam radiation therapy impact urinary, bowel, and erectile function following permanent prostate brachytherapy?: results of two prospective randomized trials. AB - Purpose: To evaluate the impact of supplemental external beam radiation therapy (EBRT) prior to permanent prostate brachytherapy on long term urinary, bowel, and erectile function. Material and methods: Patient administered urinary, bowel, and erectile quality of life (QoL) instrument were obtained prior to treatment and following brachytherapy. The study population was comprised of the 457 patients who were alive as of June 2016, had been randomized to two markedly different supplemental EBRT dose regimens and a third arm without supplemental EBRT, and had completed the June 2016 QoL survey. The need for urinary or bowel surgical intervention was prospectively recorded during routine follow-up. Multiple parameters were evaluated for effect on outcomes. Results: The urinary catheter was removed on day 0 in 92.1% of patients and 0.4% required a post-implant transurethral prostatic resection (TURP). On average, the International Prostate Symptom Score (IPSS) normalized at week 14. The 10-year rate of urethral strictures was 5.3%. No significant differences were discerned between baseline and post-implant rectal function assessment score (RFAS), and no patient developed a rectal ulcer or fistula. The 10-year potency preservation rate was 50.3%. Supplemental EBRT did not affect urinary, bowel, or erectile function. Urethral strictures were most closely related to bulbomembranous urethral brachytherapy doses, post-implant rectal function to pre-implant hemorroidal bleeding, and RFAS and erectile function to pre-brachytherapy international index of erectile function and age. Conclusions: Supplemental EBRT did not significantly effect catheter dependency, IPSS resolution, urethral stricture rate, the need for post-implant TURP, bowel, or erectile function. Careful attention to brachytherapy dose distributions appears to be most important in minimizing post-brachytherapy morbidity. PMID- 29204162 TI - Treatment plan dosimetric impact after catheter stretch during multi-catheter interstitial breast brachytherapy. AB - Purpose: Nylon 6/6 interstitial brachytherapy catheters may stretch when exposed to moisture, mechanical tension, and body temperature. The purpose of this study is to evaluate the magnitude of catheter stretch during a course of multi catheter interstitial breast brachytherapy for nylon 6/6 treatment catheters, and to assess the impact this has on treatment plan dosimetry. Material and methods: Catheters were exposed to water at 37 degrees C for six days and the internal catheter length change (DeltaL_W) was measured daily. Additionally, the measured internal catheter length change (DeltaL_P), performed prior to each treatment fraction, for seven interstitial breast brachytherapy patients (total of 76 catheters) were retrospectively analyzed. The maximum length change seen in DeltaL_P and DeltaL_W were introduced as a source positional error to retrospective treatment plans, and treatment plan dosimetry was analyzed. Results: DeltaL_W and DeltaL_P were on average +4.0% and +1.6% of the catheter lengths in water or tissue after 48 hours. Weak correlation was seen between the average DeltaL_P per catheter and both the catheter length within tissue (rho = 0.36, p = 0.0007), and the mid-catheter depth in tissue (rho = 0.42, p < 0.0001). The D90CTV decreased 1.5% (p < 0.05) and 8.2% (p < 0.05) when the DeltaL_P and DeltaL_W were introduced to the initial plans. Conclusions: Nylon 6/6 catheters stretch during a course of multi-catheter interstitial breast brachytherapy treatment. The observed stretch may affect treatment plan dosimetry, if the catheter internal length is only measured immediately after the insertion. Additional catheter length checks are recommended to verify the actual catheter internal length during the treatment. PMID- 29204161 TI - Dosimetry advantages of intraoperatively built custom-linked seeds compared with loose seeds in permanent prostate brachytherapy. AB - Purpose: The aim of this study was to compare the implant quality between intraoperatively built custom-linked seeds (IBCL) and loose seeds (LS) retrospectively. Material and methods: This study included 74 prostate cancer patients who were treated with permanent prostate brachytherapy (PPB) using IBCL (n = 37) or LS (n = 37) between July 2014 and June 2016. Dose-volume histogram (DVH) parameters, seed migration, and operation time were compared between the IBCL and LS groups. In addition to the standard target volume of the whole prostate gland, DVH parameters for prostate plus a 3 mm margin (CTV) were evaluated. Results: In intraoperative planning, prostate V150 was lower (54.8% vs. 59.6%, p = 0.027), and CTV V100 (88.1% vs. 85.6%, p = 0.019) and D90 (98.5% vs. 92.6%, p = 0.0033) were higher in the IBCL group compared with in the LS group. In post-implant dosimetry, prostate V100 (96.9% vs. 95.2%, p = 0.020), CTV V100 (85.6% vs. 81.7%, p = 0.046), and CTV D90 (94.2% vs. 86.5%, p < 0.001) were higher, and prostate V150 (57.1% vs. 64.5%, p = 0.0051) and CTV V150 (31.5% vs. 35.7%, p = 0.046) were lower in the IBCL group compared with in the LS group. Regarding DVH changes between intraoperative planning and post-implant dosimetry, the decrease in prostate D90 was significantly lower in the IBCL group than in the LS group (-1.16% vs. -4.17%, p < 0.001). For the IBCL group, the operation time was slightly but significantly longer than that for the LS group (50.5 minutes vs. 43.7 minutes, p = 0.011). However, the seed migration rate was significantly lower in the IBCL group than in the LS group (5% vs. 41%, p < 0.001). Conclusions: Intraoperatively built custom-linked is more advantageous than LS in terms of dosimetric parameters and migration. PMID- 29204163 TI - Efficacy of single-stage breast-conserving treatment using multicatheter partial breast brachytherapy evaluated by GEC-ESTRO phase 3 trial. AB - Purpose: The GEC-ESTRO has reported the equivalent outcomes of partial breast irradiation (PBI) using multicatheter interstitial brachytherapy (MCB) to whole breast irradiation (WBI) in breast-conserving therapy (BCT). We performed single stage BCT with partial breast brachytherapy by intraoperative catheter placement. After the categorization of patients into inclusion and exclusion criteria on this trial, our databases were evaluated in order to translate it to Japanese patients. Material and methods: Patients undergoing BCT were retrospectively examined between November 2007 and December 2015. The technique is an open-cavity implant with a dose of 32 Gy in 8 fractions. The 4-year clinical outcomes of MCB PBI were evaluated in the 2 distinct categories, and the comparison of the outcomes of MCB-PBI with WBI was performed in patients with unfavorable features. Results: Of a total of 501 lesions undergoing BCT, 301 lesions were treated with MCB-PBI and 200 lesions with WBI. At the median follow-up time of 52 months, the 4-year rate of ipsilateral breast tumor recurrence (IBTR)-free, disease-free (DFS), and overall survival (OS) in patients with MCB-PBI and WBI were 98.9% vs. 98.0% (p = 0.56), 97.0% vs. 95.3% (p = 0.78), and 99.6% vs. 98.2% (p = 0.38), respectively. Although in exclusion cohort treated with MCB-PBI, IBTR-free, and disease-free survival were significantly worse than in inclusion cohort, non significantly worse outcomes was demonstrated than in exclusion cohort with WBI; IBTR-free survival (95.0% vs. 97.2%, p = 0.24), and disease-free survival (95.0% vs. 95.8%, p = 0.31). Conclusions: Single-stage BCT using MCB-PBI offered similar tumor control rates compering to WBI. However, further research is needed to define the benefit for patients with an exclusion criteria. PMID- 29204164 TI - Comparison of dose volume parameters evaluated using three forward planning - optimization techniques in cervical cancer brachytherapy involving two applicators. AB - Purpose: This study is intended to compare dose-volume parameters evaluated using different forward planning- optimization techniques, involving two applicator systems in intracavitary brachytherapy for cervical cancer. It looks for the best applicator-optimization combination to fulfill recommended dose-volume objectives in different high-dose-rate (HDR) fractionation schedules. Material and methods: We used tandem-ring and Fletcher-style tandem-ovoid applicator in same patients in two fractions of brachytherapy. Six plans were generated for each patient utilizing 3 forward optimization techniques for each applicator used: equal dwell weight/times ('no optimization'), 'manual dwell weight/times', and 'graphical'. Plans were normalized to left point A and dose of 8 Gy was prescribed. Dose volume and dose point parameters were compared. Results: Without graphical optimization, maximum width and thickness of volume enclosed by 100% isodose line, dose to 90%, and 100% of clinical target volume (CTV); minimum, maximum, median, and average dose to both rectum and bladder are significantly higher with Fletcher applicator. Even if it is done, dose to both points B, minimum dose to CTV, and treatment time; dose to 2 cc (D2cc) rectum and rectal point etc.; D2cc, minimum, maximum, median, and average dose to sigmoid colon; D2cc of bladder remain significantly higher with this applicator. Dose to bladder point is similar (p > 0.05) between two applicators, after all optimization techniques. Conclusions: Fletcher applicator generates higher dose to both CTV and organs at risk (2 cc volumes) after all optimization techniques. Dose restriction to rectum is possible using graphical optimization only during selected HDR fractionation schedules. Bladder always receives dose higher than recommended, and 2 cc sigmoid colon always gets permissible dose. Contrarily, graphical optimization with ring applicators fulfills all dose volume objectives in all HDR fractionations practiced. PMID- 29204165 TI - Throwing the dart blind-folded: comparison of computed tomography versus magnetic resonance imaging-guided brachytherapy for cervical cancer with regard to dose received by the 'actual' targets and organs at risk. AB - Purpose: Computed tomography (CT) is inferior to magnetic resonance imaging (MRI) in cervical tumor delineation, but similar in identification of organs at risk (OAR). The trend to over-estimate high-risk and low-risk clinical target volume (HRCTV, IRCTV) on CT can lead to under-estimation of dose received by 90% (D90) of the 'actual' CTV. This study aims to evaluate whether CT-guided planning delivers adequate dose to the 'actual' targets while spares the OAR similarly. Material and methods: MRI-guided high-dose-rate image-guided brachytherapy (IGBT) was performed in 11 patients. The pre-brachytherapy CTs were retrospectively contoured to generate CT-guided plans. MRI-based contours (HRCTVmri, IRCTVmri, bladdermri, rectummri, and sigmoidmri) were fused to CT plans for dosimetric comparison with MRI-guided plans. Paired 2-tailed t-test and Wilcoxon signed-rank test were used to analyze data. Results: 63.6% of CT plans achieved the HRCTVmriD90 constraint (>= 7.2 Gy in one fraction), compared with 90.9% for MRI plans. > 90% of both modalities achieved the OAR's constraints (EMBRACE). The percentage of CT and MRI plans that achieved the aims (EMBRACE II) for bladder, rectum, and sigmoid were 36.4% vs. 81.8%, 63.6% vs. 63.6%, and 72.7% vs. 72.7%, respectively. There were no statistically significant differences in HRCTVmriD90, IRCTVmriD90, or dose received by the most exposed 2 cm3 (D2cc) of OARmri between the modalities. Excluding the CT plans not achieving HRCTVmriD90 constraint, there were significant increase in bladdermriD2cc, rectummriD2cc, and sigmoidmriD2cc, compared with MRI plans (0.9 Gy/Fr, 95% CI 0.2-1.5, p = 0.018; 0.9 Gy/Fr, 95% CI 0.3-1.4, p = 0.009; 0.5 Gy/Fr, 95% CI 0.2-0.9, p = 0.027, respectively). Conclusions: MRI-based IGBT remains the gold standard. CT planning may compromise HRCTVmriD90 or increase OARmriD2cc, which could decrease local control or increase treatment toxicity. PMID- 29204166 TI - Patterns of care and survival outcomes after treatment for uveal melanoma in the post-coms era (2004-2013): a surveillance, epidemiology, and end results analysis. AB - Purpose: The Collaborative Ocular Melanoma Study (COMS) established modern treatment recommendations for uveal melanoma. We aim to evaluate patterns of care and survival outcomes in the time after COMS. Material and methods: The retrospective study population includes 2,611 patients in the SEER database treated for uveal melanoma between 2004-2013. Patients stage were T1-4N0M0. Data analyzed included age, clinical stage, tumor size, race, and treatment. Treatments included enucleation (EN) and globe preserving therapy (GPT), which consisted of limited surgical resection or ablation (LSRA), external beam radiation (EBRT), or brachytherapy (BT). Patients treated with radiation may receive radiation therapy alone (RTA) or radiation therapy and supplemental laser therapy (RT+SLT). We evaluated disease specific survival (DSS) and overall survival (OS) using log-rank statistics, and Cox univariate and multivariate analysis. Results: The median follow-up was 44 months. Treatment strategy was EN in 538 (20.6%) patients, LSRA in 80 (3.1%), EBRT in 609 (23.3%), and BT in 1,384 (53.0%). 1,876 patients received RTA and 117 received RT+SLT. Enucleation was associated with inferior DSS and OS compared to GPT in multivariate analysis (MVA) (p < 0.01). Limited surgical resection or ablation and radiation had similar DSS and OS. Brachytherapy and EBRT had similar DSS and OS. Radiation therapy and supplemental laser therapy was associated with improved DSS compared to RTA in UVA (p = 0.03), but not MVA. The 5-year DSS for enucleation, RTA, and RT+SLT were 66.7%, 87.0%, and 94.7% (p < 0.01), respectively. Conclusions: Globe preserving treatments such as limited surgery or radiation are commonly utilized alternatives to enucleation, and resulted in favorable survival outcomes. Additional research is required to compare the outcomes of the various globe preserving treatment strategies. PMID- 29204167 TI - Interstitial brachytherapy for orbital soft tissue sarcoma: an innovative technique. AB - Purpose: To report an innovative technique of interstitial brachytherapy developed for treatment of orbital soft tissue tumors. Material and methods: A 4 month-old child diagnosed with rhabdomyosarcoma of orbit was treated with multiagent chemotherapy (CTh) and brachytherapy. Pre-planning computed tomography (CT) images were obtained and clinical target volume (CTV) was defined using the pre-treatment magnetic resonance imaging (MRI). Brachytherapy plan was generated for deciding optimal catheter placement. With the child under general anesthesia, catheter entry points were extrapolated and marked on the skin as determined from the pre-planning CT scan. Implantation of catheters was performed as per pre determined catheter position and depths. Brachytherapy plan was generated and evaluated using dose volume histograms (DVH). A comparative external beam radiotherapy (EBRT) plan using RapidArc was also generated for the CTV with a 3 mm margin as the planning target volume (PTV). Results: The mean CTV dose with brachytherapy was 158% compared to 101% with RapidArc. The CTV V100 was 90% for brachytherapy vs. 95% for RapidArc. The mean dose to Lt Lens were 51% and 60%, respectively for brachytherapy and RapidArc, while the corresponding mean doses to the bony orbit were 39% and 68%, respectively. Follow-up MRI at 3 months showed complete response of the tumor. Conclusions: Interstitial brachytherapy for orbit using this innovative technique is a safe and effective modality of local treatment for appropriately selected orbital soft tissue tumors. Brachytherapy resulted in excellent disease control with significant reduction of dose to surrounding ocular structures compared to EBRT. PMID- 29204168 TI - Pre-plan technique feasibility in multi-interstitial/endocavitary perineal gynecological brachytherapy. AB - Purpose: To present the implementation of a magnetic resonance imaging (MRI) pre planning technique in multi-interstitial perineal and endocavitary gynecological brachytherapy. Material and methods: We used a new fully MRI-compatible applicator that is capable to engage titanium needles, and an intrauterine tandem, developed in our department for the treatment of gynecological cervical cancer patients. This applicator is an attempt to combine the technical advantages of the Martinez universal perineal interstitial template (MUPIT) with the improvement in dose distribution by adding an intrauterine probe with the imaging advantages of MRI-based brachytherapy, thus preserving the stability, geometry, and robustness of the implant, avoiding possible errors of free-hand needle placement. A pre-brachytherapy MRI T2 acquisition is carried out with the template in place 3-5 days before the implant. On this image set, clinical target volume (CTV) is drawn. The required needles and their depths are selected accordingly to encompass the CTV (as conformal as possible). To facilitate this task, a Java based application linked to the treatment planning system has been developed. From this procedure, each needle identification and its depth are obtained previously to the implantation. With this information, the radiation oncologist proceeds with implant and then, a post-implant MRI is carried out, in which the contouring, needles, tandem reconstruction, and optimization are established. Results: This pre-planning procedure has been successfully applied in 10 patients. An excellent reproduction of the virtual pre-planning has been achieved. Conclusions: We describe a virtual pre-planning technique using a multi interstitial and endocavitary perineal template. It is based on a virtual work with MRI images. This procedure has shown to be feasible and efficient in clinical practice by facilitating the work of specialists, and reducing uncertainties of the application. PMID- 29204169 TI - Independent assessment of source position for gynecological applicator in high dose-rate brachytherapy. AB - Purpose: The aim of this study is to describe a phantom designed for independent examination of a source position in brachytherapy that is suitable for inclusion in an external auditing program. Material and methods: We developed a phantom that has a special design and a simple mechanism, capable of firmly fixing a radiochromic film and tandem-ovoid applicators to assess discrepancies in source positions between the measurements and treatment planning system (TPS). Three tests were conducted: 1) reproducibility of the source positions (n = 5); 2) source movements inside the applicator tube; 3) changing source position by changing curvature of the transfer tubes. In addition, as a trial study, the phantom was mailed to 12 institutions, and 23 trial data sets were examined. The source displacement DeltaX and DeltaY (reference = TPS) were expressed according to the coordinates, in which the positive direction on the X-axis corresponds to the external side of the applicator perpendicular to source transfer direction Y axis. Results: Test 1: The 1sigma fell within 1 mm irrespective of the dwell positions. Test 2: DeltaX were greater around the tip of the applicator owing to the source cable. Test 3: All of the source position changes fell within 1 mm. For postal audit, the mean and 1.96sigma in DeltaX were 0.8 and 0.8 mm, respectively. Almost all data were located within a positive region along the X axis due to the source cable. The mean and 1.96sigma in DeltaY were 0.3 and 1.6 mm, respectively. The variance in DeltaY was greater than that in DeltaX, and large uncertainties exist in the determination of the first dwell position. The 95% confidence limit was 2.1 mm. Conclusions: In HDR brachytherapy, an effectiveness of independent source position assessment could be demonstrated. The 95% confidence limit was 2.1 mm for a tandem-ovoids applicator. PMID- 29204171 TI - Magnetic resonance imaging metal artifact reduction for eye plaque patient with dental braces. AB - Purpose: To determine if metal artifact reduction can minimize magnetic susceptibility artifacts in the orbits for an eye plaque brachytherapy patient with metallic dental braces. Material and methods: A 62-year-old female patient with a choroidal melanoma in the right eye received a 1.5 T magnetic resonance imaging (MRI) simulation for 3D eye plaque brachytherapy planning. The protocol included conventional 3D T1-weighted and 2D T2-weighted MRIs. A vendor-supplied T2-weighted metal artifact reduction sequence was added to the protocol to reduce magnetic susceptibility artifacts from the metallic dental braces. The metal artifact reduction sequence combined turbo spin echo acquisitions, high RF excitation and readout bandwidths, and view angle tilting and slice encoding for metal artifact correction with z-shimming to correct in-plane and through-plane image distortions, respectively. Results: Dental braces caused significant signal loss and image distortion in the orbits on the conventional T1-weighted and T2 weighted MRIs, and the MRIs were unusable for treatment planning. The metal artifact reduction sequence with 13 z-phase encodes minimized distortion and signal loss in the orbits, allowing the tumor to be clearly delineated. Conclusions: T2-weighted MRI with metal artifact reduction was successfully applied to minimize artifacts in the orbits resulting from the dental braces, thus allowing the MRIs to be used in 3D brachytherapy treatment planning. PMID- 29204170 TI - Locally advanced squamous cell cervical cancer in a patient with septate uterus. AB - A 33-year-old premenopausal multiparous woman with the history of septate uterus was referred to the hospital with menorrhagia and inter-menstrual bleeding occurring for the last 6 months. Work-up revealed a stage IIB cervical cancer. The patient underwent curative chemo/radiotherapy. The patient's septate uterus presented several difficulties during application. Brachytherapy was applied using standard computed tomography-compatible tandem and ovoids. The high-risk clinical target volume (HR-CTV), intermediate risk CTV, and organs at risk were contoured according to the Groupe Europeen de Curietherapie - European Society for Radiology and Oncology (GEC-ESTRO) guidelines. Treatment was performed via 3 dimensional high-dose-rate technique with 192Ir, with brachytherapy dose of 28 Gy in 4 fractions/7 Gy each, prescribed to the HR-CTV. Treatment was well tolerated with manageable acute toxicities. To the best of our knowledge, the current case is the second case of septate uterus with locally advanced cervical carcinoma. Due to the lack of guidelines about brachytherapy applications in patients with uterine anomaly and owing to the anatomical anomaly, brachytherapy application is challenging in this patients population. PMID- 29204172 TI - Protective effects of coenzyme Q10 and L-carnitine against statin-induced pancreatic mitochondrial toxicity in rats. AB - Statins are widely used in patients with hyperlipidemia and whom with high risk of cardiovascular diseases. Unfortunately, statins also exert some adverse effects on the liver and pancreas and enhance the risk of type 2 diabetes mellitus. The objective of the present research was to investigate the protective effects of coenzyme Q10 (Co-Q10) and L-carnitine (LC) on statins induced toxicity on pancreatic mitochondria in vivo. Seven groups of male Wistar rats received atorvastatin (20 mg/kg, p.o.), atorvastatin + Co-Q10 (10 mg/kg, i.p.), atorvastatin + LC (500 mg/kg, i.p.), lovastatin (80 mg/kg, p.o), lovastatin + Co Q10 (10 mg/kg, i.p.), and lovastatin + LC (500 mg/kg, i.p.). Serum glucose and insulin levels were measured before and after two weeks of treatment, while the pancreas was removed and toxic effects of statins, as well as the protective effects of Co-Q10 and LC were assessed. The results showed that atorvastatin and lovastatin significantly increased glucose level and decreased insulin secretion. The glucose level in Co-Q10 and LC groups was significantly lower than statins alone groups. The findings also showed that statin groups had higher rate of pancreatic toxicity including higher level of reactive oxygen species production, decreased cytochrome c oxidase activity, collapse of mitochondrial membrane potential and swelling in comparison to controls. These factors were significantly diminished by co-administration of Co-Q10 or LC compared to statin groups alone. Additionally, supplements caused a significant increase in serum insulin and succinate dehydrogenase activity. Our study provided new evidence supporting beneficial effects of Co-Q10 and LC on statin-induced pancreatic toxicity. PMID- 29204173 TI - Synthesis, characterization, cytotoxic screening, and density functional theory studies of new derivatives of quinazolin-4(3H)-one Schiff bases. AB - A series of novel derivatives of quinazolinone Schiff bases were synthesized from benzoic acid starting material and evaluated for potential cytotoxic activities against the human breast adenocarcinoma (MCF-7) and the human colon adenocarcinoma (HT-29) cell lines. Compared to the reference drug, these compounds showed good cytotoxic activities against studied cell lines especially compounds 4d and 4e. The ground-state geometries of these compounds (4a-g) were optimized at the B3LYP/6-31G* density functional theory (DFT) level. Then maximum absorptions electron affinity, ionization potential, electronegativity (chi), energy gap (Egap), hardness (eta), softness (S), electrophilicity (omega), and electrophilicity index (omegai) were calculated and discussed. The quantitative structure-activity relationship (QSAR) properties including the physicochemical parameters were also evaluated and studied. The computed properties of our novel synthesized compounds were compared with erlotinib compound. PMID- 29204174 TI - The silencing effect of miR-30a on ITGA4 gene expression in vitro: an approach for gene therapy. AB - Integrins are adhesion molecules which play crucial roles in cell-cell and cell extracellular matrix interactions. Very late antigen-4 or alpha4beta1 and lymphocyte Peyer's patch adhesion molecule-1 or alpha4beta7, are key factors in the invasion of tumor cells and metastasis. Based on the previous reports, integrin alpha4 (ITGA4) is overexpressed in some immune disorders and cancers. Thus, inhibition of ITGA4 could be a therapeutic strategy. In the present study, miR-30a was selected in order to suppress ITGA4 expression. The ITGA4 3' UTR was amplified, cloned in the Z2827-M67-(ITGA4) plasmid and named as Z2827-M67/3'UTR. HeLa cells were divided into five groups; (1) untreated without any transfection, (2) mock with Z2827-M67/3'UTR transfection and X-tremeGENE reagent, (3) negative control with Z2827-M67/3'UTR transfection alone, (4) test with miR-30a mimic and Z2827-M67/3'UTR transfection and (5) scramble with miR-30a scramble and Z2827 M67/3'UTR transfection. The MTT assay was performed to evaluate cell survival and cytotoxicity in each group. Real-time RT-PCR was applied for the ITGA4 expression analysis. The findings of this study showed that miR-30a downregulated ITGA4 expression and had no effect on the cell survival. Due to the silencing effect of miR-30a on the ITGA4 gene expression, this agent could be considered as a potential tool for cancer and immune disorders therapy. PMID- 29204175 TI - Preparation and in vitro characterization of retinoic acid-loaded poly(epsilon caprolactone)-poly(ethylene glycol)-poly(epsilon-caprolactone) micelles. AB - In order to achieve the controlled release of all-trans-retinoic acid (ATRA), poly(epsilon-caprolactone)-poly(ethylene glycol)-poly(epsilon-caprolactone) (PCL PEG-PCL) copolymer with average molecular weight of 5.34 kDa was synthesized. The nanosized micelles were prepared from copolymer by nano-precipitation method. Critical association concentration (CAC) of micelles was measured by fluorimetry and results indicated low CAC value of micelles (1.9 * 10-3 g/L). ATRA was encapsulated in the core of micelles using different ratios of drug to copolymer. In the case of 10% drug to polymer ratio, more than 80% of the drug was released within 3 days, whereas for ratio of 2% more than 90% of the drug was released within 3 h. The cytotoxic study performed by MTT assay showed that H1299 survival percent decreased significantly (P <= 0.05) after exposure to drug-loaded micelles, while no proliferation inhibition effect was observed by either free ATRA or blank PCL-PEG-PCL micelles. PMID- 29204177 TI - Anticlastogenic, radiation antagonistic, and anti-inflammatory activities of Persea americana in albino Wistar rat model. AB - The present study was undertaken to evaluate the anti-inflammatory activity and antigenotoxic effect of hydroalcoholic leaf extract of Persea americana (P. americana) in albino Wistar rats against whole body X-ray irradiation. Rats were orally administered with (25, 50, 100, 200, and 400 mg/kg body weight) of P. americana leaf extract for five days. On the fifth day after last administration, animals were exposed to whole body X-rays of 8 Gy. Based on Kaplan Meier's survival analysis, 100 mg/kg body weight was selected as an optimum dose for radioprotection. The radioprotective potential was analysed by bone marrow micronucleus test and comet assay in peripheral blood lymphocytes. Biochemical estimations were performed in liver tissue homogenates. DNA damage indicators analysed through comet assay displayed significant reduction in olive tail movement (P < 0.01), percentage DNA in tail (P < 0.05) and tail length (P < 0.001) in pretreated group when compared to radiation group. P. americana leaf extract restored the levels of reduced glutathione, catalase, and reduced the levels of lipid peroxidation, protein carbonyls, and cyclooxygenase-2 levels in liver homogenates of pre-treated group. Decrease in micronucleated polychromatic erythrocytes (P < 0.05) was witnessed in P. americana pretreated group when compared to radiation control. Pretreatment also resulted in the increase of animal survival with dose reduction factor of 1.28. Our findings for the first time demonstrated that P. americana offers significant protection to rats from whole body exposure to X-rays and helps in antagonising the radiation effects, thereby combating acute radiation induced damage in living systems. PMID- 29204176 TI - Thymoquinone protects the rat kidneys against renal fibrosis. AB - Thymoquinone (TQ) is the main active ingredient of Nigella sativa seeds with various pharmacological effects. The aim of this study was to investigate the effect of TQ on renal fibrosis and permeability and oxidative stress status in lipopolysaccharide (LPS)-induced inflammation in male rats. Eighty male Wistar rats were divided into 5 groups as follow: control (received normal saline), LPS (1 mg/kg/day), and LPS+TQ (by doses of 2, 5 and 10 mg/kg/day). After three weeks, the biochemical parameters such as blood urea nitrogen (BUN) and creatinine in serum samples, oxidative stress markers including malondialdehyde (MDA), total thiol groups, superoxide dismutase (SOD) and catalase (CAT) activities in renal tissue homogenate and renal permeability (evaluated by Evan's blue dye method) were measured and renal fibrosis was evaluated, histologically using Masson's trichrome staining. LPS administration induced renal fibrosis (1.49 +/- 0.08 vs. 7.15 +/- 0.18%) and significantly increased renal permeability (6.03 +/- 1.05 vs. 13.5 +/- 1.04 MUg evans blue(EB)/g tissue), serum BUN and creatinine levels and oxidative stress marker (MDA) (P < 0.05), while, it reduced anti-oxidative markers including total thiol group, SOD and CAT activities (P < 0.05). Administration of TQ significantly improved these alterations which were dose dependent in oxidative stress markers, renal permeability (TQ 2, 5 and 10 mg/kg: 10.7 +/- 0.3, 9.2 +/- 1.4 and 11.5 +/- 0.6 MUg EB/g tissue; respectively) and fibrosis (TQ 2, 5 and 10 mg/kg: 6.09 +/- 0.7, 4.26 +/- 0.14 and 2.52 +/- 0.08%; respectively). In conclusion, administration of TQ reduced renal fibrosis and permeability and improved oxidative stress status. Thus, TQ can be considered in conditions accompanied with chronic inflammation at least as a part of treatment strategy. PMID- 29204178 TI - Biological evaluation, docking and molecular dynamic simulation of some novel diaryl urea derivatives bearing quinoxalindione moiety. AB - In this study a series of diarylurea derivatives containing quinoxalindione group were biologically evaluated for their cytotoxic activities using MTT assay against MCF-7 and HepG2 cell lines. Antibacterial activities of these compounds were also evaluated by Microplate Alamar Blue Assay (MABA) against three Gram negative (Escherichia coli, Pseudomonas aeruginosa and Salmonella typhi), three Gram-positive (Staphylococcus aureus, Bacillus subtilis and Listeria monocitogenes) and one yeast-like fungus (Candida albicans) strain. Furthermore, molecular docking was carried out to study the binding pattern of the compounds to the active site of B-RAF kinase (PDB code: 1UWH). Molecular dynamics simulation was performed on the best ligand (16e) to investigate the ligand binding dynamics in the physiological environment. Cytotoxic evaluation revealed the most prominent cytotoxicity for 6 compounds with IC50 values of 10-18 MUM against two mentioned cell lines. None of the synthesized compounds showed significant antimicrobial activity. The obtained results of the molecular docking study showed that all compounds fitted in the binding site of enzyme with binding energy range of -11.22 to -12.69 kcal/mol vs sorafenib binding energy -11.74 kcal/mol as the lead compound. Molecular dynamic simulation indicated that the binding of ligand (16e) was stable in the active site of B-RAF during the simulation. PMID- 29204179 TI - Effects of Cornus mas fruit hydro-methanolic extract on serum antioxidants, lipid profile, and hematologic parameters following cisplatin-induced changes in rats. AB - Cisplatin (Cis) has serious adverse side-effects that limit its clinical use. The mechanism underlying the effects is complex, including mitochondrial oxidative stress and inflammation. This study investigated whether Cornus mas, a fruit with high antioxidant contents, hydro-methanolic extract (CME) can modulate the cisplatin-induced changes. Forty Wistar rats were divided into a control group, Cis group, CME group, CME 300 + Cis group, and the CME 700 + Cis group. After the intervention, blood samples were taken for biochemical and hematological analysis. CME analysis showed noticeable total phenol and total antioxidant contents. The plasma glutathione peroxidase and catalase levels were significantly decreased and malondialdehyde and blood hemoglobin levels were significantly increased in the Cis group, which were reversed to the control levels in the CME + Cis groups. In the CME group, the red blood cell count was significantly lower and the red cell distribution width and hemoglobin distribution width levels were significantly higher. In the Cis-treated group, white blood cells, neutrophils, monocytes, basophils, and large unstained cells were significantly increased and lymphocytes were significantly decreased when compared with the control group that was reached to non-significant levels in CME 700 + Cis group. The blood cholesterol and high density lipoprotein in all CME treated groups were significantly decreased. The eosinophils increased in the CME group significantly. The results showed considerable total antioxidant and total phenol contents and relative protective effects of CME against Cis-induced antioxidant and hematologic changes in rats. PMID- 29204181 TI - Synthesis and evaluation of antimicrobial activity of cyclic imides derived from phthalic and succinic anhydrides. AB - Cyclic imides are a group of compounds which have valuable biological properties including cytotoxic, anti-inflammatory, antibacterial and antifungal activities. In this study, succinic and phthalic anhydrides were treated with glycinamide in pyridine to yield the corresponding amic acids. These amic acids underwent ring closure with acetic anhydride and anhydrous sodium acetate to form cyclic imides. In another procedure, succinic and phthalic anhydrides upon reaction with 2-amino benzylamine in pyridine gave the corresponding cyclic imides. The imides were screened for their antimicrobial activities against three types of bacteria and one type of fungi. Phthalimide derived from benzylamine exhibited remarkable antimicrobial activity against E. coli. PMID- 29204180 TI - Cytotoxic effects of the newly-developed chemotherapeutic agents 17-AAG in combination with oxaliplatin and capecitabine in colorectal cancer cell lines. AB - The use of heat shock protein 90 inhibitors like 17-allylamino-17-demethoxy geldanamycin (17-AAG) has been recently introduced as an attractive anticancer therapy. It has been shown that 17-AAG may potentiate the inhibitory effects of some classical anticolorectal cancer (CRC) agents. In this study, two panels of colorectal carcinoma cell lines were used to evaluate the effects of 17-AAG in combination with capecitabine and oxaliplatin as double and triple combination therapies on the proliferation of CRC cell lines. HT-29 and all HCT-116 cell lines were seeded in culture media in the presence of different doses of the mentioned drugs in single, double, and triple combinations. Water-soluble tetrazolium-1 (WST-1) assay was used to investigate cell proliferation 24 h after treatments. Then, dose-response curves were plotted using WST-1outputs, and IC50 values were determined. For double and triple combinations respectively 0.5 * IC50 and 0.25 * IC50 were used. Data was analyzed with the software CompuSyn. Drug interactions were analyzed using Chou-Talalay method to calculate the combination index (CI).The data revealed that 17-AAG shows a potent synergistic interaction (CI < 1) with oxaliplatin and capecitabine in double combinations (0.5 * IC50) in both cell lines. In the case of triple combinations, the findings showed an antagonistic interaction (CI > 1) in HT-29 and a synergistic effect (CI < 1) in HCT-116 (0.25 * IC50) cell lines. It was concluded that double combinations of 17-AAG with oxaliplatin or capecitabine might be effective against HCT-116 and HT-29 cell lines. However, in triple combinations, positive results were seen only against HCT-116. Further investigation is suggested to confirm the effectiveness of these combinations in clinical trials. PMID- 29204182 TI - Baseline type 2 diabetes had a significant association with elevated high sensitivity cardiac troponin T levels in Chinese community-dwelling population: a 5-year prospective analysis. AB - Background: The present analysis was designed to investigate the association of type 2 diabetes (T2D) with high sensitivity cardiac troponin T (hs-cTnT) during the 5 years of follow-up, and explore which one of fasting blood glucose (FBG) and postprandial blood glucose (PBG) is a determinant of this association in Chinese community-dwelling population. Methods: This prospective community-based analysis was conducted based on 730 participants without coronary artery disease and hs-cTnT values >=14 pg/mL receiving two measurements of hs-cTnT levels at baseline and follow-up of 5 years. Results: Prevalence of T2D was 16.2% (118 participants). Median hs-cTnT levels were 4 (3-7) pg/mL and 6 (5-9) pg/mL at baseline and follow-up, respectively. The variation in hs-cTnT levels had a median of 2 (0-4) pg/ml (p < 0.001 for variation), and incidence of hs-cTnT levels >=14 pg/ml was 7.1% (52 participants) at follow-up. T2D had a significant association with elevated hs-cTnT levels in multivariate Logistic regression models (p < 0.05). Elevated levels of PBG (p < 0.05) rather than FBG (p > 0.05) determined the significant association with elevated hs-cTnT levels in multivariate linear regression models. Conclusions: This community-based analysis observed that there was a significant increment of hs-cTnT levels, and baseline T2D had a significant association with elevated hs-cTnT levels during the 5 years of follow-up. Moreover, the present analysis demonstrated that PBG rather than FBG played a crucial role in this association in Chinese community-dwelling population without CAD. PMID- 29204183 TI - Evaluation of outcomes for psychosis and epilepsy treatment delivered by primary health care workers in Nepal: a cohort study. AB - Background: Most evaluations of task-shifting have focused on common mental disorders. Much less work has been done on severe mental neurological and substance use (MNS) disorders, such as chronic psychosis and epilepsy. Given the high burden associated with severe MNS and the lack of mental health professionals in low and middle income countries, evaluations on the impact of task-shifting for these disorders are important. Methods: In a rural district of Nepal, a community mental health program, based on World Health Organization's Mental Health Gap Action Programme guidelines, was evaluated using a cohort study design. People with epilepsy and psychotic disorders were interviewed at treatment initiation and at 12-month follow-up. We also compared a group that was offered a comprehensive package of care (medication combined with psychosocial interventions, such as counselling and peer support groups) to a group that received medication only. Results: One-hundred nineteen persons were enrolled in the epilepsy cohort (EC) and 85 in the psychosis cohort (PC). The patients were enrolled in either the comprehensive package (n = 157) or medication only (n = 47). There was significant improvement (P < 0.0001) in psychosis symptoms (PC: Z = 6.78, r = 0.80) and depressive symptoms (EC: Z = 7.43, r = 0.73; PC: Z = 6.02, r = 0.70), seizures (EC: Z = 6.78), functional disability (EC: Z = 6.38, r = 0.67; PC: Z = 4.60, r = 0.57), family and caregiver burden (EC: Z = 8.09, r = 0.85; PC: Z = 6.81, r = 0.84), and social behaviour (PC: Z = 5.94, r = 0.84). There was greater risk reduction for recent seizures among people with epilepsy in the comprehensive treatment package vs. medication only (risk ratio = 0.52, 95% CI 0.29-0.95; P = 0.03); no other significant differences were observed between treatment arms. Conclusions: A community mental health program in Nepal, implemented by non-specialists, resulted in moderate to large effects among people with epilepsy or psychosis. A comprehensive package of care, including counselling and patient support groups, appears to offer added clinical benefits for patients with epilepsy. For people with psychosis, the basic package of care (i.e., psychotropic medications) performed similar to the comprehensive package, suggesting a less resource-intensive package may offer comparable results. PMID- 29204184 TI - Viral Cre-LoxP tools aid genome engineering in mammalian cells. AB - Background: Targeted nucleases have transformed genome editing technology, providing more efficient methods to make targeted changes in mammalian genome. In parallel, there is an increasing demand of Cre-LoxP technology for complex genome manipulation such as large deletion, addition, gene fusion and conditional removal of gene sequences at the target site. However, an efficient and easy-to use Cre-recombinase delivery system remains lacking. Results: We designed and constructed two sets of expression vectors for Cre-recombinase using two highly efficient viral systems, the integrative lentivirus and non-integrative adeno associated virus. We demonstrate the effectiveness of those methods in Cre delivery into stably-engineered HEK293 cells harboring LoxP-floxed red fluorescent protein (RFP) and puromycin (Puro) resistant reporters. The delivered Cre recombinase effectively excised the floxed RFP-Puro either directly or conditionally, therefore validating the function of these molecular tools. Given the convenient options of two selections markers, these viral-based systems offer a robust and easy-to-use tool for advanced genome editing, expanding complicated genome engineering to a variety of cell types and conditions. Conclusions: We have developed and functionally validated two viral-based Cre-recombinase delivery systems for efficient genome manipulation in various mammalian cells. The ease of gene delivery with the built-in reporters and inducible element enables live cell monitoring, drug selection and temporal knockout, broadening applications of genome editing. PMID- 29204186 TI - Percutaneous transesophageal gastro-tubing (PTEG) as an alternative long-term tube feeding procedure when gastrostomy is not feasible. AB - Background: Percutaneous transesophageal gastro-tubing (PTEG) is a minimally invasive technique to access the gut via an esophagostomy. However, this procedure is not well known and the literature available is still fairly limited. This observational study was conducted to evaluate our experience using this method as an alternative long-term tube feeding procedure when gastrostomy is not suitable. Methods: A total of 15 patients (10 males and 5 females) who underwent PTEG at our institution from 2012 to 2016 were observed and analyzed in this study. Results: The average age was 80.1 (71-93) years. Underlying conditions that required PTEG were previous gastric resection in 11 patients, left diaphragm disorder in 2 patients, interposing transverse colon between the abdominal wall and anterior gastric wall in 1 patient, and severe gastrostomy site leakage in 1 patient. Tube placement was successful in all patients by approaching the left side of the neck, using a 15 Fr size tube. The mean postoperative length of stay was 22 (8-48) days. Postoperative adverse events included accidental tube dislodgement in three patients, tracheoesophageal fistula in one patient, inferior thyroid artery injury in one patient and thyroid gland mispuncture in one patient. There was no procedure-related mortality nor mortality at 30 days. Eight patients were discharged with some oral intake. Conclusions: PTEG is feasible in patients requiring long-term tube feeding for whom gastrostomy is unsuitable. It is an effective long-term tube feeding procedure and should be offered as a more comfortable alternative to nasogastric tubing. PMID- 29204185 TI - Bioengineering considerations in liver regenerative medicine. AB - Background: Liver disease contributes significantly to global disease burden and is associated with rising incidence and escalating costs. It is likely that innovative approaches, arising from the emerging field of liver regenerative medicine, will counter these trends. Main body: Liver regenerative medicine is a rapidly expanding field based on a rich history of basic investigations into the nature of liver structure, physiology, development, regeneration, and function. With a bioengineering perspective, we discuss all major subfields within liver regenerative medicine, focusing on the history, seminal publications, recent progress within these fields, and commercialization efforts. The areas reviewed include fundamental aspects of liver transplantation, liver regeneration, primary hepatocyte cell culture, bioartificial liver, hepatocyte transplantation and liver cell therapies, mouse liver repopulation, adult liver stem cell/progenitor cells, pluripotent stem cells, hepatic microdevices, and decellularized liver grafts. Conclusion: These studies highlight the creative directions of liver regenerative medicine, the collective efforts of scientists, engineers, and doctors, and the bright outlook for a wide range of approaches and applications which will impact patients with liver disease. PMID- 29204188 TI - Ultrahigh-speed endoscopic optical coherence tomography and angiography enables delineation of lateral margins of endoscopic mucosal resection: a case report. PMID- 29204187 TI - Use of beta-blockers and risk of serious upper gastrointestinal bleeding: a population-based case-control study. AB - Background: Some studies indicate a reduced risk of serious upper gastrointestinal bleeding (UGIB) for users of beta-blockers, but the association remains to be confirmed in larger studies and characterized with respect to differences among beta-blockers. We aimed to assess whether beta-blocker use decreases the risk of UGIB. Methods: We conducted a register-based, population based case-control study in Denmark. We identified cases with a first validated discharge diagnosis of UGIB during the period 1995-2006. Controls were selected by risk-set sampling in a ratio of 10:1. We estimated crude and adjusted odds ratios (ORs) of the association between current beta-blocker use and the risk of UGIB by using conditional logistic regression and further stratified by selective and non-selective beta-blockers, respectively. Results: We identified 3571 UGIB cases and 35,582 controls. Use of beta-blockers was not found to be associated with a decreased risk of UGIB (adjusted OR 1.10; 95% CI: 1.00-1.21). The association remained neutral after stratification by selective and non-selective beta-blockers, and by single beta-blocker substances. Similarly, we found no association between current beta-blocker use and the risk of UGIB within different subgroups. Conclusions: We found no association between beta-blocker use and UGIB. PMID- 29204189 TI - Reversible splenial lesion syndrome (RESLES) coinciding with cerebral venous thrombosis: a report of two cases. AB - A total of two postpartum women with no noteworthy medical history presented with persistent headache. Brain magnetic resonance imaging (MRI) of both revealed extensive cerebral venous thrombosis, concurrently with abnormal signals of the splenium of the corpus callosum (SCC): The splenium appeared hyperintense on T2 weighted sequences, fluid-attenuated inversion recovery (FLAIR), and diffusion weighted imaging (DWI) imaging, and hypointense on T1 sequences and apparent diffusion coefficient (ADC) map. The patients were given thrombolytic therapy. Clinically, both patients achieved recovery with no neurologic sequelae, and follow-up MRI revealed complete resolution of the lesion in the SCC at day 36 and day 37 after initial presentation, respectively. PMID- 29204190 TI - Oral teriflunomide in the treatment of relapsing forms of multiple sclerosis: clinical evidence and long-term experience. AB - Key objectives in the treatment of multiple sclerosis (MS) include prevention of relapses, a reduction in the accumulation of disability and slowing of the brain volume loss that occurs from the earliest stages of the disease. Teriflunomide, a once-daily, oral immunomodulatory therapy, has demonstrated efficacy across multiple measures of disease activity and worsening in patients with relapsing forms of MS and in those with a first clinical episode suggestive of MS. In this review, the latest evidence relating to the proposed mechanism of action of teriflunomide in MS is explored, including novel insights provided from the recently completed Teri-DYNAMIC study. Key clinical and magnetic resonance imaging data from the completed long-term extensions of the phase II and III (TEMSO, TOWER and TOPIC) studies are highlighted, and the long-term safety profile of teriflunomide, as evidenced by data from these extension studies, is presented. Although randomized clinical trials represent the highest level of evidence to support the use of therapeutic interventions, it is also important to understand the performance of a particular treatment in the real-world setting. In this regard, the results of the recently completed, global, phase IV Teri-PRO study are of particular interest and provide further insights into the benefits of teriflunomide treatment from the patient perspective. Collectively, the data presented in this review demonstrate a favorable benefit-risk profile for teriflunomide, thereby supporting its long-term use for the treatment of patients with relapsing forms of MS. PMID- 29204191 TI - OnabotulinumtoxinA in the treatment of patients with chronic migraine: clinical evidence and experience. AB - Chronic migraine is a debilitating neurobiological disorder that affects approximately 1.4-2.2% of the population worldwide. Patients with chronic migraine have 15 or more headache days per month, with at least 8 days per month that meet the criteria for migraine. Injection of onabotulinumtoxinA, using a standardized injection protocol, was approved by the US Food and Drug Administration in 2010 for the treatment of chronic migraine. The approval was made based on results from two large, randomized, double-blind placebo-controlled trials: the Phase III Research Evaluating Migraine Prophylaxis Therapy (PREEMPT) trials. Since then, numerous studies have been performed investigating the short term and long-term benefits, risks and complications of the use of onabotulinumtoxinA injections for the treatment of chronic migraine. The purpose of this narrative review is to describe the currently available clinical evidence for the use of onabotulinumtoxinA injections for treating patients with chronic migraine. PMID- 29204192 TI - RASSF1A and SIRT6 in non-small cell lung cancer: Relationship with clinical outcome. AB - This study investigated the expression of RASSF1A and SIRT6 in non-small cell lung cancer (NSCLC) and its relationship with clinical prognosis. The expression in 122 cases of NSCLC tissues (NSCLC group) and 122 cases of normal lung tissues (NOR group) during the same period were detected by immunohistochemical Super Pic TureTM Polymer two-step method, and the relationship between its expression and the clinicopathological features and prognosis of patients was analyzed. The positive expression rates of RASSF1A and SIRT6 in NSCLC group were lower than those in the normal group (55.74 vs. 84.43% and 52.46 vs. 82.49%, P<0.01). The differences in expression intensity of RASSF1A in NSCLC tissues between different tumor pathological types, tumor differentiation degrees and lymph node metastases were statistically significant, and the differences in expression intensity of SIRT6 between different TNM stages, tumor differentiation degrees and lymph node metastases were statistically significant. There was a positive correlation between the expression of RASSF1A and SIRT6 in NSCLC group (r=0.532, P<0.01). The 3-year survival rate of patients with high-expression of RASSF1A was higher than in those with low-expression of RASSF1A (81.33 vs. 39.45%, log-rank chi2=19,102, P<0.01); the 3-year survival rate of patients with high-expression of SIRT6 was higher than in those with low-expression of SIRT6 (83.51 vs. 42.43%, log-rank chi2=17,180, P<0.01). The low expression of RASSF1A and SIRT6 and lymph node metastasis were the risk factors affecting the prognosis of NSCLC patients. There is a better correlation between the expression of RASSF1A and SIRT6 in NSCLC tissues, and the detection of their expression is of great significance in the judgement of clinicopathological features and prognosis of NSCLC patients. PMID- 29204193 TI - Management and Outcome Analysis of Pediatric Unstable Thoracolumbar Spine Injury: Large Surgical Series with Literature Review. AB - Pediatric thoracolumbar spine fractures are considered rare injuries with paucity of publication across the globe. Further, spine injuries in children are comparatively rarer, and pediatric spine differs from adults, both biomechanically and anatomically; so, adult spine management strategy cannot be applied to pediatric cases, and exact guidelines for management of pediatric spinal injury is lacking. The current study is undertaken to study epidemiology, surgical management, and outcome of pediatric dorsolumbar unstable spine injury. A total of 25 pediatric patients were analyzed retrospectively with thoracic, thoracolumbar junction and lumbar spine injuries, who were managed surgically at our institute since June 2008, formed the cohort of the present study. There were 19 males and six females with a mean age 14.8 years. Clinically, complete spinal cord injuries were observed in 11 (44%), and rest 14 had incomplete injury. Most common mode of injury was fall (76%) in contrast to the western countries and the thoracolumbar junction was the most common affected site. Among all patients who underwent surgical intervention, 68% cases had posterior decompression and pedicle screw fixation. Mean duration of hospital stay was 18 +/- 31 days. The mean follow-up period was 13.83 +/- 5.97 months. In incomplete neurological injury group, a total of 13 patients showed neurological improvement, out of which four cases improved by two Frankel grades, eight patients improved by at least 1 grade, and rest one by Grade 3 (Frankel Grade B to E). Neurological outcome was statistically significant in relation to the level of fracture (P - 0.03) and preoperative Frankel grade, however, other factors, for example, gender, mode of injury, type of fracture, various surgical approaches with instrumentation, and correction of kyphotic deformity were found to be statistically nonsignificant. Surgical management of unstable pediatric dorsolumbar spine is a safe and an effective procedure which can provide good neurological outcome. The current study is one of largest series of cases managed surgically in this part of the world. PMID- 29204195 TI - Magnitude of Neurogenic Tumor Burden in Pediatric Population: A Tertiary Care Center Study. AB - Objective: Progress in the diagnosis and treatment of childhood neoplasm in the past few decades is one of the most gratifying achievements in the field of oncology. This study was aimed to ascertain the burden (incidence and prevalence) and histopathologic features of neurogenic tumors occurring in the pediatric population. Materials and Methods: The study evaluated a total of 492 cases of pediatric tumors over a period of 8 years from 2007 to 2015, including patients of 0-12 years of age group; attending the out-patients and in-patients Department of Pediatrics and Pediatric Surgery at Jawaharlal Nehru Medical College, AMU, Aligarh, with the complaints of tumor or tumor associated sign and symptoms. Clinical profile, hematological and histopathological examination along with immunohistochemical analysis were implicated to attain a conclusive diagnosis. Result: Out of 492 pediatric tumor cases, 255 (52%) cases were benign and 237 (48%) cases were malignant. Neurogenic tumor (brain tumors) comprised 49 (10%) of the total case, being most common malignant solid neoplasm and second most common (next to leukemia) overall malignancy, constituting 49/237 (21%) cases. Astrocytoma 22/49 (45%) cases were the most common type brain tumor followed by medulloblastoma 15/49 (31%), ependymoma 9/49 (18%), and craniopharyngioma 3/49 (6%). Conclusion: Effective management of pediatric neurogenic tumor is a multipronged approach involving effort of good Pediatric neurosurgeon, Pathologist and a host of Oncology specialists with insight into childhood neoplasms. PMID- 29204196 TI - Delineate, Yet not Dread: Anomalous Vertebral Artery in Pediatric Congenital Atlantoaxial Dislocation and Basilar Invagination. AB - Introduction: The deformed joints seen in congenital atlantoaxial dislocation (CAAD) are often associated with vascular anomalies. It is important to identify these vascular anomalies and address them appropriately without compromising the manipulation and fusion of C1-C2 joints. The small bones in pediatric age group pose an additional challenge. Materials and Methods: Data of fifty-six children with CAAD operated in the last 4 years was analyzed. A computed tomography angiogram was obtained preoperatively to assess for the course of the third segment of vertebral artery (VA). The anomalous VA was dissected and safeguarded during drilling and manipulation of the C1-C2 joints. Results: Of the 112 VAs, 5 were aplastic, 21 crossed the joint posteriorly. Only one patient with reducible atlantoaxial dislocation (AAD) had anomalous VA crossing the joint posteriorly, the remaining VA anomalies were seen with irreducible AAD. Anomalous VA was seen on both sides in 2 patients. The most common anomaly was an inverted VA seen in seven sides. In all patients, the anomalous VA could be dissected and safeguarded without compromising the C1-C2 dissection and manipulation and fusion. In children, even the normal VA may occasionally pose difficulties while manipulation of joints. Challenges while addressing the anomalous and normal VA in pediatric age group have been described. Techniques to overcome these have been discussed. Conclusion: It is important to delineate the anomalous VA. However, the presence of such an artery is not a deterrent to the manipulation of C1-C2 joint, essential for best results. Special attention needs to be paid to the extent of distraction, medial C2 transverse foramen, and dissection/drilling of the area superior to the anomalous VA in the pediatric age group. PMID- 29204197 TI - Infantile Tremor Syndrome in Modern Times. AB - Background: Infantile tremor syndrome (ITS) is a clinical syndrome of acute or gradual onset of mental and psychomotor changes, pigmentary disturbances of hair and skin, pallor, and tremors in malnourished children aged between 5 months and 3 years. It is a well-known entity, but the exact etiopathogenesis is still not known. Setting and Design: Prospective observational study carried out in the Department of Pediatrics at Dr RPGMC Tanda, Kangra in Himachal Pradesh. Materials and Methods: Demographic, clinical, and laboratory profile of 25 children with the diagnosis of preinfantile and ITS was collected who were admitted from May 2014 to June 2015. Statistical Analysis: Descriptive analysis was performed using SPSS 17 trial version. Results: These children accounted for 0.5% of total pediatric admissions. Median, standard deviation age was 10, 3.1 months. Male to female ratio was 1.27:1. Cases were present throughout the year with two peaks observed in the months of May and November. This disease was found to be more common in higher birth order (68%). Complementary feeding, that too improper, was initiated in only 4 cases (16%). Ninety-six percent cases presented with comorbid illnesses. Respiratory tract infection was the most common association, followed by urinary tract infection. There was moderate anemia with dimorphic picture (40%). Thirteen (52%) had vitamin B12 levels below normal. Magnesium levels, though statistically insignificant (P = 0.8) were lower in patients with tremors. Conclusion: This is a disease of multi-micronutrient deficiency, which can be present either alone or in association. Educating women about proper nutrition during pregnancy and timely administration of complementary feeding is of utmost importance. PMID- 29204194 TI - Synaptogenesis in the Cerebellum of Offspring Born to Diabetic Mothers. AB - There is increasing evidence that maternal diabetes mellitus during the pregnancy is associated with a higher risk of neurodevelopmental and neurofunctional anomalies including motor dysfunctions, learning deficits, and behavioral problems in offspring. The cerebellum is a part of the brain that has long been recognized as a center of movement balance and motor coordination. Moreover, recent studies in humans and animals have also implicated the cerebellum in cognitive processing, sensory discrimination, attention, and learning and memory. Synaptogenesis is one of the most crucial events during the development of the central nervous system. Synaptophysin (SYP) is an integral membrane protein of synaptic vesicles and is considered to be a marker for synaptic density and synaptogenesis. Here, we review the manuscripts focusing on the negative impacts of maternal diabetes in pregnancy on the expression or localization of SYP in the developing cerebellar cortex. We believe that the alteration in synaptogenesis or synapse density may be part of the cascade of events through which diabetes in pregnant women affects the newborn's cerebellum. PMID- 29204198 TI - Profile and Outcome of Pediatric Brain Tumors - Experience from a Tertiary Care Pediatric Oncology Unit in South India. AB - Context: Tumors of the central nervous system (CNS) constitute the second most common pediatric cancers. Unlike leukemia, management of CNS tumors requires a good multidisciplinary team. Higher rates of treatment abandonment are documented in view of complexity of the treatment with long duration, involving neurosurgery, radiation, chemotherapy, and high cost of treatment. Morbidity associated with CNS tumors may be significant in terms of physical deficits as well as neuropsychological and neuroendocrine sequelae. Pediatric neurooncology is still at a very nascent stage in the developing countries. There are only a few reports on the multidisciplinary approach and outcomes of pediatric brain tumors in developing countries. Aims: The aim of this study is to identify the clinicopathological profile of Pediatric CNS tumors in a tertiary care center located in South India in comparison with reports from other low-and middle income Countries. Settings and Design: A retrospective analysis of medical records of all children diagnosed with brain tumors from January 2012 to November 2016 at our institute was done. Subjects and Methods: A retrospective study of clinical, pathological profile, and outcomes of children <18 years diagnosed with brain tumors at our institute from January 2012 to November 2016 was done. Histopathological categorization was done as per the WHO classification 2007. The multidisciplinary treatment with respect to surgery, radiation, and chemotherapy was noted and the outcomes were recorded. Statistical Analysis Used: R for Statistical Computing (Version 3.0.2; 2013-09-25). Results: A total of 52 children were diagnosed with male preponderance of 66.6%. Highest incidence was noted in the age group of 0-4 years (50%). Majority of them were supratentorial (59.6%). CNS embryonal tumors contributed to 48% of all our brain tumors. 73% of them underwent either resection or biopsy. Eight (15.3%) of them died due to the progression of disease, but 44% abandoned treatment due to the progression/recurrence of disease. Those lost to follow-up were mostly among the high-risk groups with poor prognosis such as pontine glioma, medulloblastoma (high risk), and primitive neuroectodermal tumor. Conclusions: Although brain tumors constituted 30% of all our solid tumors, only 56% of them received appropriate treatment and 25% abandoned treatment. High rates of abandonment were a consequence of late diagnosis, complex multidisciplinary treatment involved, high treatment cost, lack of uniformity in management between different oncology centers and poor prognosis of the tumor subtype. PMID- 29204199 TI - Clinicopathological Study of Pediatric Posterior Fossa Tumors. AB - Context: Brain tumor is one of the most devastating forms of human illness, especially when occurring in the posterior fossa and involving the brainstem. Tumors in the posterior fossa are considered some of the most critical brain lesions. This is primarily due to the limited space within the posterior fossa, as well as the potential involvement of the vital brainstem nuclei. Aims: The aim of this study is to analyze the incidence, clinical features, surgical outcome, complications, and prognosis in a series of 37 pediatric patients with posterior fossa tumors who underwent surgery between September 2012 and January 2015 from the Department of Neurosurgery, King George Hospital, Visakhapatnam (both prospective and retrospective study). Materials and Methods: A series of 37 cases were treated by the Department of Neurosurgery, King George Hospital, between August 2012 and January 2015. Results: Posterior fossa tumors are predominantly seen in children with a peak incidence in the first decade. The most common presenting symptoms are raised intracranial pressure with headache and vomiting. Majority of the tumors are medulloblastomas, ependymomas, and cerebellar astrocytomas. The most common location is the cerebellar vermis, followed by the cerebellar hemispheres, followed by the forth ventricle and then the brainstem. PMID- 29204200 TI - Quality of Life in Indian Children with Cerebral Palsy Using Cerebral Palsy quality of Life Questionnaire. AB - Background: Quality of life (QOL) in children with cerebral palsy (CP) needs to be measure by CP-specific questionnaire. CP-QOL questionnaire is being used for this purpose. Objectives: The aim is to determine the QOL in Indian children with CP using CP-QOL questionnaire and to correlate QOL scores with demographic details of the patient. Materials and Methods: Subjects were parents of 50 children (4-12 years) attending child development center of Guru Teg Bahadur Hospital were enrolled. The parent-proxy version of the CP-QOL questionnaire translated into Hindi was administered by one author. Scoring and analysis were performed as per specified method. Cronbach's alpha was calculated for each domain for validation. Effect of clinical and demographic profile on QOL was analyzed. Results: CP-QOL questionnaire was administered to 50 parents of CP children (32 males, 18 females). The overall QOL score of the children studied was computed to be 38.29 +/- 5.2. Age and maternal education had a significant bearing on the QOL of the children (P < 0.05). Type of CP, gender, and epilepsy did not affect the QOL significantly (P > 0.05). Good internal consistency and reliability were found in the domains of social well-being and acceptance, functioning, participation, and physical health (Cronbach's alpha >0.7). Access to services, pain, and impact of disability and family health showed a weak correlation with Cronbach's alpha <0.7. Conclusion: QOL in children with CP was compromised. The CP-QOL questionnaire can be used to measure QOL in Indian children with CP. PMID- 29204201 TI - Health-related Quality of Life in Children with Congenital Hydrocephalus and the Parental Concern: An Analysis in a Developing Nation. AB - Purpose: To analyze quality of life of children operated for congenital hydrocephalus and the concern of parents in taking care of these children. Methods: Thirty patients who underwent ventriculo-peritoneal shunt were randomly selected with minimum gap of 1 year between surgery and study. Canadian validated questionnaire was used. Overall health score (OHS) and parental concern score (PCS) were correlated with gender, family type and number of surgeries. Results: Mean OHS was 159.43 which was summation of physical health (mean 45.76), social emotional (mean 80.03) and cognitive health scores (mean 33.66). Mean OHS was 151.57 for males and 177.77 for females (p-value 0.233). Nuclear and joint families had mean OHS of 160.36 and 158.89 respectively (p-value 0.944). Those who underwent one surgery had mean OHS of 167.48 and PCS of 23.10 whereas mean OHS was 140.66 and PCS was 27.78 for those with multiple procedures. Mean PCS for males was 26.71 and for females was 19.33 (p-value 0.036 statistically significant). This was not statistically significant between nuclear (24.73) and joint families (24.26). Conclusions: Quality of life of survivors of hydrocephalus is reasonably good even in developing countries due to keen parental involvement irrespective of gender, family type and number of surgeries. PMID- 29204202 TI - Occult Disseminated Tuberculosis with Holocord Longitudinally Extensive Transverse Myelitis: A Rare Phenomenon in a Child. AB - Longitudinally extensive transverse myelitis (LETM) is defined as an inflammatory lesion of the spinal cord that extends to three or more segments. LETM is a commonly characteristic feature of neuromyelitis optica (NMO) or various autoimmune diseases. Manifestation of Mycobacterium tuberculosis (MTB) infection with LETM are rare and usually in the cervicothoracic spinal cord. Our patient presented with holocord LETM, so NMO was considered initially diagnosis. After in further research, MTB was diagnosed and treated successfully. The current case underscores that tuberculosis must be keep in mind when undertaking differential diagnosis of demyelinating diseases even in the absence of symptoms of infection, and especially in endemic regions. PMID- 29204203 TI - Intradiploic Pterional Epidermoid Tumor: A Case Report and Review of literature. AB - Intradiploic epidermoid cyst is an uncommonly occurring neoplasm, and only about 200 cases are reported in the form of isolated case report. It is presumed to occur due to ectodermal cells in inclusion in the bone tissue during embryonic life neural tube closure. It commonly remains asymptomatic or rarely presents as a bony lump in the skull bone. Authors report present an interesting case, which presented with swelling, and underwent successful surgical resection. Pertinent literature along with diagnosis and management is briefly reviewed. These lesions can erode the bone and involve the brain parenchyma due to their proximity to the brain. Radiological imaging is very helpful in accurate diagnosis of these lesions and in differentiating intradural from intradiploic varieties of epidermoid. We present an unusual case of this pathology. PMID- 29204204 TI - Thiamine Responsive Pyruvate Dehydrogenase Complex Deficiency: A Potentially Treatable Cause of Leigh's Disease. AB - Pyruvate dehydrogenase complex (PDHC) deficiency is a rare metabolic disorder that affects tissues with high energy demand such as the central nervous system. The clinico-radiological phenotype of Leigh's disease is one of its common presentations. We present a 9-month-old boy with rapidly progressive infantile Leigh's disease. PDHA1 gene sequencing revealed a pathological homozygous missense mutation c.131A>G or p.H44R in exon 3 consistent with PDHC deficiency. H44R is among the five mutations (H44R, R88S, G89S, R263G, and V389fs) in E1alpha subunit that is thiamine-responsive. The child was initiated on thiamine, riboflavin, carnitine, coenzyme Q, and sodium benzoate supplementation. Mild recovery was noted at 6 months follow up as no further episodes of encephalopathy occurred. Thereafter, the child was treated with Ketogenic diet which resulted in increased levels of activity and alertness. Despite an improving course, the child had a sudden unexpected death at the age of 21 months. PMID- 29204205 TI - A Giant Occipital Encephalocele in Neonate with Spontaneous Hemorrhage into the Encephalocele Sac: Surgical Management. AB - The presence of giant occipital encephalocele represents a surgical challenge. However, preoperative magnetic resonance imaging with venography can help in delineating relation of venous sinus, content of the sac and help classify occipital encephalocele into infra-torcular and torcular depending on the relation with position of torcula. However, the presence of old hemorrhage into encephalocele sac is extremely rare and in the detailed PubMed search, the authors could find one such case, reported by Nath et al. The author reports a case of giant occipital encephalocele; during surgery, evidence of old bleed was noted. Pertinent literature and management are reviewed briefly. PMID- 29204206 TI - Subaponeurotic Cerebrospinal Fluid Collection in an Infant. AB - Subaponeurotic cerebrospinal fluid (CSF) collection is a rare condition. We report a 13-week-old male infant who presented with a swelling in the occipitoparietal region of 4 h duration. Swelling was soft, fluctuant, and contained CSF. It was tapped twice on the 4th and 8th day of appearance and resolved completely by 7 weeks. The condition is benign, and a conservative approach is recommended. PMID- 29204207 TI - Primary Ewing's Sarcoma of Cranium in a Pediatric Patient. AB - Ewing's sarcoma primarily involving the skull is an unusual occurrence (1% of all Ewing's sarcoma cases) with very few reported cases in the published literature. The challenge in such cases is to establish a definitive diagnosis before starting the multidisciplinary treatment approach. We report such a rare case in a 13-year-old boy who is being treated at our institute with an intention of adding to the limited information we currently have on diagnosis, management, and the outcome of such cases. PMID- 29204208 TI - Pallister-Hall Syndrome. AB - Polydactyly is a relatively common abnormality in infants. However, it can be a marker of a wide variety of neurological and systemic abnormality. Hence, it is important for pediatrician and physician to have insight into the various association of this apparently innocuous anomaly. In this write-up, we report an extremely rare syndrome associated with polydactyly that is Pallister-Hall syndrome. A 10-month-old male child born by lower segment cesarean section presented with global delay associated with microcephaly, frontal bossing, hypertelorism, flat nose, short philtrum, incomplete cleft in the upper lip and hard palate, polydactyly, and syndactyly. The child presented with repeated vomiting and crying episodes. The patient was investigated which revealed a hypothalamic hamartomas. Pallister-Hall syndrome is a very rare autosomal dominant genetic disorder due to mutation in GLI3 gene in the short arm of chromosome 7 with variable penetrance and expressivity. PMID- 29204209 TI - Perinatal Rapid Enlargement of Suprasellar-Prepontine Arachnoid Cyst: Report of Case and Literature Review. AB - Arachnoid cysts are benign developmental anomalies representing 1% of all intracranial lesions. Suprasellar prepontine location of arachnoid cyst in the perinatal period has been reported in the perinatal period with the advent of prenatal imaging. A rare case of rapidly enlarging suprasellar prepontine arachnoid cyst diagnosed at 28 weeks on routine antenatal ultrasonographic and magnetic resonance imaging is presented. Rapid enlargement of the cyst near term led to endoscopic fenestration of the cyst and ventriculocystocisternostomy followed by ventriculoperitoneal shunt in the postnatal life. Serial imaging in the perinatal period led to early intervention with good postnatal outcome. We also review all cases of prenatal suprasellar prepontine arachnoid cyst mentioned in literature and discuss the management strategies. PMID- 29204210 TI - Spontaneous Umbilical CSF Fistula Due to Migration of the Peritoneal End of VP Shunt: A Case Report and Review of Pathogenesis. AB - Abdominal complications after ventriculoperitoneal (VP) shunt surgery for hydrocephalus have been known to occur. The more common complications include peritoneal pseudocyst, obstruction of the lower end, and shunt infection. Perforations of the intra-abdominal hollow viscera leading to spontaneous extrusions of the peritoneal catheter via the natural orifices have also been reported. A rarer phenomenon still is the migration of the lower end of the VP shunt through the anterior abdominal wall, leading to the formation of a spontaneous umbilical fistula at a site unrelated to the surgical site. Eight cases have been described in the literature so far with various causes elucidated. We report this condition in a child 4.5 years after his shunt surgery and postulate different mechanisms for both early and late presentations of this condition. PMID- 29204211 TI - Unusual Cause of West Syndrome. AB - Schimmelpenning-Feuerstein-Mims syndrome is a congenital neurocutaneous disorder, comprising of organoid epidermal nevus with a broad spectrum of multiorgan dysfunction (neurologic, skeletal, cardiovascular, ophthalmic, and urologic) secondary to postzygotic mutation in the early embryonic period. Predominant neurological manifestations include epilepsy, intellectual impairment, and focal deficits. Here, we report a 3-year-old girl who presented with epileptic spasms and had a characteristic linear sebaceous nevus. This report not only highlights the importance of early diagnosis of this condition but also emphasizes the need for multiorgan screening in children with seizures and nevi. PMID- 29204213 TI - Endolymphatic Sac Tumor in von Hippel-Lindau Disease: A Rare Case Report. AB - Endolymphatic sac tumor (ELST) is a rare papillary neoplasm with locally destructive behavior which can occur sporadically or in association with Von Hippel-Lindau (VHL) disease. We herein present a case of ELST associated with VHL disease in a 14-year-old girl and discuss clinico-radiological, immunohistopathologic findings, and management by staged surgery and postoperative radiotherapy to the residual lesion. PMID- 29204212 TI - Isolated Superior Divisional Oculomotor Nerve Palsy and Nystagmus Following Mild Trauma. AB - Traumatic isolated divisional oculomotor nerve palsy has not been reported following mild head injury. We present an interesting case of a 10-year-old male boy who presented with right-sided ptosis, upgaze palsy, and horizontal nystagmus following a mild head trauma. Magnetic resonance imaging showed right superior rectus muscle atrophy. After observing for 6 months, right inferior rectus recession was done. The abnormal head posture and diplopia got corrected, but nystagmus persisted, although with appreciably decreased amplitude. We here report a rare case of an isolated superior divisional oculomotor nerve palsy following mild head trauma. Nystagmus accompanying a divisional oculomotor nerve palsy has never been reported before, making this case more unique. A critical step-wise approach to the case with possible mechanisms are discussed. PMID- 29204214 TI - Magnetic Resonance Imaging of Pediatric Primary Cerebral Hydatidosis. PMID- 29204215 TI - Tribute to Grunya Efimovna Sukhareva, the Woman who First Described Infantile Autism. PMID- 29204216 TI - Neurodevelopmental Disorders between Past and Future. PMID- 29204217 TI - Parainfectious Ocular Flutter and Truncal Ataxia and Dengue. PMID- 29204219 TI - Validation of the EuroSCORE II in a Greek Cardiac Surgical Population: A Prospective Study. AB - Objective: The objective of this study was to examine the validity of EuroSCORE II in the Greek population. Methods: A prospective single-center study was performed during November 1, 2013 and November 5, 2016; 621 patients undergoing cardiac surgery were enrolled. The EuroSCORE II values and the actual mortality of the patients were recorded in a special database. Calibration of the model was evaluated with the Hosmer-Lemeshow goodness-of-fit test, and discrimination with the areas under the receiver operating characteristic (ROC) curve. Results: The observed in-hospital mortality rate was 3% (i.e. 18/621 patients). The median EuroSCORE II value was 1.3% (1st quartile: 0.86%, 3rd quartile: 2.46%), which indicates a low in-hospital mortality. Area under the ROC curve for EuroSCORE II was 0.85 (95% CI: 0.75-0.94), suggesting very good correct classification of the patients. Conclusion: The findings of the present work suggest that EuroSCORE II is a very good predictor of in-hospital mortality after cardiac surgery, in our population and, therefore can safely be used for quality assurance and risk assessment. PMID- 29204218 TI - Interpreting the Mechanism of APOE (p.Leu167del) Mutation in the Incidence of Familial Hypercholesterolemia; An In-silico Approach. AB - Background: Apolipoprotein E (APOE) gene is a ligand protein in humans which mediates the metabolism of cholesterol by binding to the low-density lipoprotein receptor (LDLR). P.Leu167del mutation in APOE gene was recently connected with Familial Hypercholesterolemia, a condition associated with premature cardiovascular disease. The consequences of this mutation on the protein structure and its receptor binding capacity remain largely unknown. Objective: The current study aims to further decipher the underlying mechanism of this mutation using advanced software-based algorithms. The consequences of disrupting the leucine zipper by this mutation was studied at the structural and functional level of the APOE protein. Methods: 3D protein modeling for both APOE and LDLR (wild types), along with APOE (p.Leu167del) mutant type were generated using homology modeling template-based alignment. Structural deviation analysis was performed to evaluate the spatial orientation and the stability of the mutant APOE structure. Molecular docking analysis simulating APOE-LDLR protein interaction was carried out, in order to evaluate the impact of the mutation on the binding affinity. Result: Structural deviation analysis for APOE mutated model showed low degree of deviance scoring root-mean-square deviation, (RMSD) = 0.322 A. Whereas Docking simulation revealed an enhanced molecular interaction towards the LDLR with an estimation of +171.03 kJ/mol difference in binding free energy. Conclusion: This in-silico study suggests that p.Leu167del is causing the protein APOE to associate strongly with its receptor, LDLR. This gain-of-function is likely hindering the ability of LDLR to be effectively recycled back to the surface of the hepatocytes to clear cholesterol from the circulation therefore leading to FH. PMID- 29204220 TI - Impact of Post-Exodontia Bleeding in Cardiovascular Patients: A New Classification Proposal. AB - Background: Exodontia (dental extraction), being the most frequent minor surgical procedure in the general population, inevitably involves a large number of patients on antithrombotic medication. Current experience shows that there is a degree of confusion in managing these patients. Description: Post-exodontia bleeding, a natural consequence of every dental extraction with no or minor clinical significance in the vast majority of cases, often appears to be of major concern to both patients and healthcare practitioners (dentists or physicians), either because of the alarming nature of oral bleeding itself or because of the distorted perception about its importance. These concerns are enhanced by the lack of a universal standardized definition of post-exodontia bleeding and by the fact that all currently available post-exodontia bleeding definitions bear intrinsic limitations and tend to overestimate its clinical significance. Conclusion: In order to overcome the aforementioned issues, this article presents an overview of post-extraction bleeding and proposes a classification, based on the well-recognized Bleeding Academic Research Consortium (BARC) bleeding definition, aiming at reducing heterogeneity in this field. PMID- 29204221 TI - Antibiotic Resistance Patterns and Virulence Determinants of Different SCCmec and Pulsotypes of Staphylococcus Aureus Isolated from a Major Hospital in Ilam, Iran. AB - Aims & Objectives: The aim of this study is to evaluate genetic relatedness, antibiotic resistance pattern, and virulence characteristics of different types of S. aureus isolated from air, surfaces, staff, and patients in a Public hospital in Ilam. Methods & Materials: A total of 88 of 140 staphylococci identified as S. aureus by conventional and molecular methods were used in this study. Isolate samples were obtained from surfaces, staff, patients, and hospital indoor air. The sampling from staff and surfaces was done through using swab and air by standard pump. Antimicrobial susceptibility testing and presence different resistant and virulence determinants was assessed. Isolates were then typed by pulsed-field gel electrophoresis (PFGE) and SCCmec typing methods. Results: Out of 88isolates, 36 of them (40.9%) were MRSA. Among MRSA isolates, the range of resistance to antibiotic was 0% in vancomycin to 83.3% in gentamycin. The most prevalent resistant genes among gentamicin resistant S. aureus were acc (6')/aph (2")Ia and aph(3")IIIa. The most common erythromycin resistant gene was ermC. Surprisingly, SCCmec types I (30.5%), II (25%)were highly distributed. PFGE analysis showed 33 different pulsotypes. Conclusion: This study confirms that different isolates of MSSA and MRSA circulate in Ilam which differ in antimicrobial susceptibility, content of resistance, and virulence determinants. PMID- 29204223 TI - Arbuscular Mycorrhizal Fungi Increase the Phenolic Compounds Concentration in the Bark of the Stem of Libidibia Ferrea in Field Conditions. AB - Background: Libidibia ferrea is a species particular to the caatinga presenting medicinal properties for containing bioactive compounds. The use of Arbuscular Mycorrhizal Fungi (AMF) can increase the production of biomolecules in the legume leaves; however, no light has been shed on the role of symbiosis in maximizing metabolites production in the bark of L. ferrea stem. Objective: The aim was to select AMF that are efficient at increasing the production of phenolic compounds with medicinal properties in the bark of the L. ferrea stem. Methods: The experiment was designed in randomized blocks with four inoculation treatments (plants pre-inoculated with Claroideoglomus etunicatum, with Gigaspora albida, with Acaulospora longula, and non-inoculated plants - control) with six repetitions. Thirteen months after the transplanting, the plants were pruned and the bark of the stem was collected; subsequently, this plant material was dried in a chamber. After the drying process, fractions of the bark of the stem were macerated in methanol. The extracts were further used for analyses of the biomolecules. Results: The flavonoids concentration had an increase of, respectively, 236% and 186% in relation to the control for the treatments with A. longula and C. etunicatum; plants inoculated with A. longula had an increase of 47% in total tannins concentration compared with the non-inoculated control - a benefit that the proanthocyanidins did not present. Conclusion: Applying inoculation with A. longula may be an alternative to increase the production of biomolecules of the secondary metabolism in the bark of the L. ferrea stem in field conditions. PMID- 29204224 TI - Bacteriology and Antibiogram of Urinary Tract Infection Among Female Patients in a Tertiary Health Facility in South Eastern Nigeria. AB - Background: Urinary Tract Infection (UTI) is a common contagion among men and women with the incidence relatively higher among women due to their differing anatomy. An understanding of the kind of pathogens implicated in urinary tract infections as well as antibiotic susceptibility profiling may help the clinician make rationally correct empirical choice in their treatment. Objective: This study is aimed at determining the type and antibiotic susceptibility pattern of bacterial uropathogens isolated from female patients attending Chukwuemeka Odumegwu Ojukwu University Teaching Hospital (COOUTH), Awka, Nigeria. Method: Two hundred and forty patients with clinically diagnosed UTI and who were on at least 5 days' antibiotic holiday were recruited into the study. Their demographic characteristics were captured using pre-tested questionnaire. Their clean catch mid-stream urine samples were collected using sterile universal container and sent to the Microbiology Department for processing. Within 30 minutes of samples collection, the specimens were cultured and the isolates were identified, after 24 h of incubation, using standard microbiological techniques. Antibiotic susceptibility tests were done with standard antibiotic discs using the Kirby bauer disc diffusion method. Results: Out of the 240 urine samples, 89.17% yielded significant bacteriuria. The pathogens implicated were Escherichia coli (28.5%), Staphylococcus aureus (28.0%), Salmonella spp (22.8%) and Pseudomonas aeruginosa (20.5%). HIV status, patients age, pregnancy status and marital status all significantly affected bacteriuria rate (p value < 0.05), while patients' location (sub-urban/rural dwelling), and level of education did not (p value > 0.05). The pattern of microbial resistance to antibiotics suggests that ceftazidime, fosfomycin and cefoxitin may not be used as first-line agents in the empirical treatment of UTIs rather; levofloxacin, meropenem or aztreonam should be considered. Levofloxacin was significantly effective against all the isolates and may be administered empirically while waiting for the culture result (Mean % susceptibility was 79.85). Conclusion: E. coli and S. aureus were the predominant pathogens in the study and many were resistant to the commonly prescribed antibiotics and so leave the clinicians with only few alternative drugs for UTIs treatment. Routine surveillance and monitoring studies need to be constantly conducted to update clinicians on the prevalent pathogens and the rational and empirical treatment of UTIs. Aggressive and consistent health education using every possible media is also recommended to combat the menace of drug resistance occasioned by inappropriate antibiotic use. PMID- 29204225 TI - (in vivo Gastrocnemius Muscle) Tendon Ratio in Patients with Cerebral Palsy. AB - Background: The position of the gastrocnemius tendon in relation to the leg length may be different in children with cerebral palsy as compared to normal children. The palpation of muscle bellies or previous experience of the operating surgeon is employed to place the surgical incision for lengthening of the gastrocnemius aponeurosis. Inaccurate localisation may cause incorrect incisions and a risk of iatrogenic damage to the vital structures (i.e. sural nerve). Objectives: The aim of our study is to compare gastrocnemius length in-vivo between paretic and unaffected children and create a formula to localise the muscle-tendon junction accurately. Methods: 10 children with di/hemiplegia (range 2-14y) were recruited. None of them had received any conventional medical treatment. An equal number of age/sex matched, typically developing children (range 4-14y) were recruited. Ultrasound scanning of the gastrocnemius muscle at rest was performed to measure the length of gastrocnemius bellies. We also measured the heights and leg lengths in all the children. Results: The gastrocnemius medial muscles were shorter in Cerebral Palsy children when compared to similar aged normal children. In cerebral palsy children, the gastrocnemius muscle and leg ratio ranged between 35 to 50% (average ratio of 45%). Conclusion: Using these figures, we created an average percentage for gastrocnemius muscle length that may be used clinically to identify the tendon for open/endoscopic lengthening and also to make simple and accurate localisation of gastrocnemius muscle-tendon junction for surgical access. This decreases the length of the surgical incision and may reduce the risk of iatrogenic injuries. PMID- 29204226 TI - Information Security Risk Assessment in Hospitals. AB - Background: To date, many efforts have been made to classify information security threats, especially in the healthcare area. However, there are still many unknown risks which may threat the security of health information and their resources especially in the hospitals. Objective: The aim of this study was to assess the risks threatening information security in the hospitals located in one of the northwest cities of Iran. Method: This study was completed in 2014. The participants were information technology managers who worked in the hospitals (n=27). The research instrument was a questionnaire composed of a number of open and closed questions. The content validity of the questionnaire was confirmed, and the reliability of the closed questions was measured by using the test-retest method (r =0.78). Results: The results showed that among the information security risks, fire found to be a high probability/high impact risk factor. Human and physical/environmental threats were among the low probability risk factors. Regarding the information security safeguards used in the hospitals, the results showed that the use of the technical safeguards was the most frequent one (n =22, 91.7%) compared to the administrative (n =21, 87.5%) and the physical safeguards (n =16, 66.7%). Conclusion: The high probability risk factors require quick corrective actions to be taken. Therefore, the underlying causes of such threats should be identified and controlled before experiencing adverse effects. It is also important to note that information security in health care systems needs to be considered at a macro level with respect to the national interests and policies. PMID- 29204227 TI - Workflow of CAD / CAM Scoliosis Brace Adjustment in Preparation Using 3D Printing. AB - Background: High correction bracing is the most effective conservative treatment for patients with scoliosis during growth. Still today braces for the treatment of scoliosis are made by casting patients while computer aided design (CAD) and computer aided manufacturing (CAM) is available with all possibilities to standardize pattern specific brace treatment and improve wearing comfort. Objective: CAD / CAM brace production mainly relies on carving a polyurethane foam model which is the basis for vacuuming a polyethylene (PE) or polypropylene (PP) brace. Purpose of this short communication is to describe the workflow currently used and to outline future requirements with respect to 3D printing technology. Method: Description of the steps of virtual brace adjustment as available today are content of this paper as well as an outline of the great potential there is for the future 3D printing technology. Results: For 3D printing of scoliosis braces it is necessary to establish easy to use software plug-ins in order to allow adding 3D printing technology to the current workflow of virtual CAD / CAM brace adjustment. Textures and structures can be added to the brace models at certain well defined locations offering the potential of more wearing comfort without losing in-brace correction. Conclusions: Advances have to be made in the field of CAD / CAM software tools with respect to design and generation of individually structured brace models based on currently well established and standardized scoliosis brace libraries. PMID- 29204222 TI - Paracoccidioidomycosis: Current Perspectives from Brazil. AB - Background: This review article summarizes and updates the knowledge on paracoccidioidomycosis. P lutzii and the cryptic species of P. brasiliensis and their geographical distribution in Latin America, explaining the difficulties observed in the serological diagnosis. Objectives: Emphasis has been placed on some genetic factors as predisposing condition for paracoccidioidomycosis. Veterinary aspects were focused, showing the wide distribution of infection among animals. The cell-mediated immunity was better characterized, incorporating the recent findings. Methods: Serological methods for diagnosis were also compared for their parameters of accuracy, including the analysis of relapse. Results: Clinical forms have been better classified in order to include the pictures less frequently observesiod. Conclusion: Itraconazole and the trimethoprim sulfamethoxazole combination was compared regarding efficacy, effectiveness and safety, demonstrating that azole should be the first choice in the treatment of paracoccidioidomycosis. PMID- 29204228 TI - Evaluation of Effective Dashboards: Key Concepts and Criteria. AB - Objective: The aim of this study is to offer appropriate criteria to evaluate effective dashboards for healthcare organizations. Method: In a Delphi study, a team of information technology consultants were asked to determine a set of user interface requirements for evaluating, building or selecting the dashboard. In the first round, a list of main features or criteria to be used was determined based on the panel's rating,. Results: In this study, it was revealed that a set of key criteria for evaluating the dashboards can be used for all types of dashboards. These criteria were classified into 7 main categories including user customization, knowledge discovery, security, information delivery, alerting, visual design, and integration and system connectivity. Conclusion: Choosing good criteria for selecting effective dashboards for healthcare organizations is very critical because these organizations follow a data-intensive and technology driven environment. This study revealed the importance of key criteria which can guarantee development of an evaluation checklist. PMID- 29204229 TI - Assessment of Primary Health Care in the Treatment of Tuberculosis in a Brazilian Locality of the International Triple Frontier. AB - Objective: To evaluate the performance of Primary Health Care (PHC) in treatment of TB patients in a triple international border municipality. Methods: The present study was an evaluative survey of cross-sectional and quantitative approach conducted with 225 PHC healthcare professionals. Data was collected through a structured and validated instrument, which provided five indicators of "structure" and four indicators of "process" classified as unsatisfactory, regular or satisfactory. Results: The "structure" component was unsatisfactory for the indicator of professionals involved in TB care and training, and regular for the indicator of connection between the units and other levels of care. The "process" component was regular for the indicators of TB information, directly observed treatment and reference and counter reference on TB, and unsatisfactory for external actions on TB control. Conclusion: The "structure" and "process" components points out some weaknesses in terms of management and organization of human resources. Low frequency of training and the turnover influenced the involvement of professionals. Elements of "structure" and "process" show the need for investing in the PHC team and improving the clinical management of cases. PMID- 29204230 TI - Validation of equations for pleural effusion volume estimation by ultrasonography. AB - Purpose: To validate the accuracy of previously published equations that estimate pleural effusion volume using ultrasonography. Methods: Only equations using simple measurements were tested. Three measurements were taken at the posterior axillary line for each case with effusion: lateral height of effusion (H), distance between collapsed lung and chest wall (C) and distance between lung and diaphragm (D). Cases whose effusion was aspirated to dryness were included and drained volume was recorded. Intra-class correlation coefficient (ICC) was used to determine the predictive accuracy of five equations against the actual volume of aspirated effusion. Results: 46 cases with effusion were included. The most accurate equation in predicting effusion volume was (H + D) * 70 (ICC 0.83). The simplest and yet accurate equation was H * 100 (ICC 0.79). Conclusion: Pleural effusion height measured by ultrasonography gives a reasonable estimate of effusion volume. Incorporating distance between lung base and diaphragm into estimation improves accuracy from 79% with the first method to 83% with the latter. PMID- 29204231 TI - Real-time elastography for the detection of fibrotic and inflammatory tissue in patients with stricturing Crohn's disease. AB - Purpose: The distinction between active inflammation and fibrosis of the bowel wall is essential for therapeutic decisions in stricturing Crohn's disease. We aimed to assess whether real-time elastography (RTE) with strain ratio measurement could be useful in differentiating fibrotic from inflamed bowel strictures and to evaluate the possible relationship between US techniques and the histology of the stenotic bowel wall. Materials and methods: Bowel ultrasonography (including RTE, color-Doppler and CEUS examination) was prospectively evaluated in 26 patients with symptomatic stricturing Crohn's disease, before surgery. RTE was adopted to evaluate bowel stiffness: five loops of 20 RTE frames were recorded for each stenotic segment and the mean strain ratio (MSR) was obtained. Histology scoring systems both for inflammation and fibrosis were established for surgical specimens. Results: No significant correlation was found between MSR and fibrosis score (P = 0.877). Color-Doppler score was significantly related to gut wall and submucosal thicknesses (P = 0.006 and P = 0.032, respectively). There was no significant correlation between the number of vessels counted at histology and color-Doppler and CEUS examinations (P = 0.170 and P = 0.302, respectively). Conclusion: MSR detection was not able to distinguish fibrotic from inflammatory tissue in our selected population. This result could be influenced by the presence of the superimposed inflammation. Larger cohort of patients, further analysis with shear wave elastography, and validated histopathology classification systems for fibrosis and inflammation are necessary to assess if intestinal fibrosis could be reliably detected on the basis of bowel elastic properties. PMID- 29204232 TI - Vascular ultrasound in pediatrics: estimation of depth and diameter of jugular and femoral vessels. AB - Objectives: To estimate, on the basis of anthropometric and demographic variables, the depth (Dp) and diameter (Dm) of femoral and jugular vessels, which have been located and measured by ultrasound, in pediatric patients. Method: 750 measurements of Dp and Dm of the femoral vein (FV), femoral artery (FA) and internal jugular vein (IJV) were made in 125 pediatric patients. The values were correlated with patients' sex, weight, age, size and body surface area (BSA). Results: Mean Dp values were 0.72 (0.34) cm for FA, 0.79 (0.35) cm for FV and 0.77 (0.24) cm for IJV. Mean antero-posterior Dm values were 0.37 (0.17) cm for FA, 0.42 (0.22) cm for FV and 0.59 (0.23) cm for IJV. In the studied pediatric patients, femoral and jugular vessels depth correlated with age, size, weight and BSA (R = 0.46-0.60); vascular depth could be estimated from patients' weight and size (FA-Dp: R = 0.71; FV-Dp: R = 0.72; IJV-Dp: R = 0.53). Correlation with diameter was better for FA and FV (R = 0.81-0.89) than for IJV (R = 0.42-0.51); vascular diameter could be estimated from patient's size (FA-Dm: R = 0.89; FV-Dm: R = 0.86; IJV-Dm: R = 0.52). Conclusions: FV, FA and IJV depth and diameter correlated with weight, size, age and body surface area in the studied pediatric patients. Correlation was better for femoral than for jugular vessels. Depth could be estimated from patients' weight and size, while diameter could be estimated from the size. Such estimations may facilitate the choice of vessels to be cannulated, length and diameter of cannulation needles and the diameter of catheters to be used in pediatric patients. PMID- 29204233 TI - Median nerve evaluation by shear wave elastosonography: impact of "bone proximity" hardening artifacts and inter-observer agreement. AB - Purpose: Peripheral nerves frequently travel close to the bone surface and are, therefore, prone to elastosonographic "bone-proximity" hardening artifacts. The impact of these artifacts on quantitative measurements of median nerve stiffness performed by shear wave elastosonography has not been explored. Our aim was to assess normal median nerve stiffness values at various locations. Materials and methods: Thirty-six healthy volunteers (24 women and 12 men) aged between 25 and 40 years were evaluated. Two operators performed the evaluation: one expert (6 years of ultrasound experience) and one inexperienced operator (6 months' experience). The nerve was sampled in cross-section at three different locations: mid-forearm, immediately before the carpal tunnel and within the tunnel. The ultrasound scanner was equipped with a 14-MHz linear probe. The Shear Wave module was activated in one-shot mode. Measurements were performed using a ROI corresponding to the diameter of the nerve. Results: The mean values of stiffness of the medial nerve were 32.26 kPa +/- 18.60 within the carpal tunnel, 22.20 kPa +/- 9.84 at the carpal tunnel inlet and 7.62 kPa +/- 7.38 in the forearm. Inter observer agreement assessed using the intraclass correlation coefficient (ICC) was "moderate" within the carpal tunnel (ICC = 0.44), "moderate" at the carpal tunnel inlet (ICC = 0.41) and "fair" in the forearm (ICC = 0.38). Conclusions: The stiffness of the median nerve progressively increases in its distal portions, where the nerve approaches the bone surface. Inter-observer agreement was generally good (from fair to moderate). PMID- 29204234 TI - Carotid Doppler ultrasonography as a screening tool of early atherosclerotic changes in children and young adults with beta-thalassemia major. AB - Purpose: beta-thalassemia major (beta-TM) patients had an increased incidence of cardiovascular complications secondary to iron overload. They showed early carotid atherosclerosis as showed by increased carotid intima media thickness (CIMT) that may occur early even when significant iron overload is absent. We aimed to test the diagnostic performance of CIMT measurement by Doppler ultrasonography as a structural indicator for premature atherosclerosis in beta TM patients. Methods: Case-control study included 42 beta-TM patients (24 males and 18 females) aged from 3 to 30 years and 36 age- and sex-matched healthy controls. Carotid Duplex was used for measurement of CIMT in all subjects. Results: The frequency of abnormal CIMT among patients was 19%. Mean CIMT of right anterior wall was 0.8 +/- 0.16 (range 0.5-1.2) mm, of right posterior wall was 0.80 +/- 0.17 (range 0.5-1.2), of right lateral wall was 0.8 +/- 0.17 (range 0.5-1.1) mm. CIMT of left anterior wall ranged from 0.5 to 1.2 with mean 0.81 +/- 0.17, CIMT of left posterior wall ranged from 0.5 to 1.1 with mean 0.80 +/- 0.17 mm. Mean CIMT of left lateral wall was 0.81 +/- 0.18 mm (range 0.5-1.2). CIMT of right anterior, right posterior and left anterior walls were thicker in patients compared to controls (P = 0.003, 0.015, < 0.001, respectively). There was no observable difference in CIMT between males and females, splenectomised and non splenectomised, or well and poorly chelated subgroups (P > 0.05). CIMT of right lateral wall correlated with the disease duration (r = 0.3, P = 0.04). Conclusions: Carotid ultrasound was a useful tool to detect subclinical atherosclerosis thorough CIMT evaluation in B-thalassemia major patients. B thalassemia major children proved to have an increased CIMT regardless the state of iron overload. PMID- 29204235 TI - Contrast-enhanced ultrasonography in clinical practice in Crohn's disease: feasibility of destruction/replenishment method and software analysis. AB - The aim of this Pictorial Essay is to evaluate the feasibility in the clinical practice of CEUS destruction/replenishment method and time intensity curve (TIC) analysis using the available software in patients with Crohn's disease. The ultrasound (US) procedure using contrast agent is briefly described, elaboration and analysis of the US sequences are explained in detail, and some advantages and disadvantages of the method are highlighted. The Authors suggest that the destruction/replenishment method is useful and time-saving in Crohn's disease if multiple measurements are required on intestinal portions adjacent to each other or in different locations. PMID- 29204236 TI - Hydatid cyst presented as a subcutaneous thigh mass. AB - Hydatid disease is an endemic zoonosis, and patients are generally from cattle- and sheep-raising regions of the world, such as Central Europe, the Mediterranean, the Middle East, China, South America, Australia, New Zealand, South Africa, and Russia (Lewall and McCorkell in Radiology 155:773-775, 1985). Furthermore, hydatid cyst is a disease of immigrants in non-endemic countries and in developed countries (Stojkovic et al. in PLoS Negl Trop Dis 6:e1880, 2012). The most common affected organs are liver and lungs. Hydatid cyst located in the subcutaneous tissue constitutes an extremely rare manifestation of the hydatid disease (Savulescu et al. in Chir Buchar Rom 1990 105:419-422, 2010). In this study, we report an uncommon case of hydatid cyst that developed in the subcutaneous tissue of the right thigh of a patient with ultrasound, computed tomography, and magnetic resonance imaging findings. PMID- 29204238 TI - Crossed fused renal ectopia: case report and review of the literature. AB - Crossed fused renal ectopia is a rare congenital anomaly, and is mostly detected incidentally. A 45-year-old man, during investigation for recurrent abdominal pain, was found to have an empty left renal fossa and right crossed renal ectopia with fusion on ultrasonography. In the present case, there were no abnormalities and/or alteration of the renal function. Abdominal tomography scan with contrast medium confirmed the diagnosis. Ectopic kidney is often associated with other abnormal situations such as agenesis, vascular malformation, incontinence, a palpable abdominal mass, urinary tract infection, high incidence of stone formation, and genital anomalies. Through this case report, we emphasize the importance of adequate imaging. PMID- 29204237 TI - Pediatric adrenal trauma: evaluation and follow-up with contrast-enhanced ultrasound (CEUS). AB - Adrenal trauma is rarely encountered in the pediatric population, often as a component of multi-organ injury and often presenting with hematoma formation. Contrast-enhanced computed tomography (CECT) is the established imaging modality both for initial evaluation and follow-up of patients with blunt abdominal trauma. In children, radiation exposure should be minimized and alternative imaging strategies are needed. Contrast-enhanced ultrasound (CEUS) has recently been successfully used for evaluation of patients with hepatic, renal and splenic injury. We present three cases of children with post-traumatic adrenal hematomas, which were initially diagnosed with CECT and subsequently followed up with CEUS, suggesting that CEUS may be considered for follow-up of adrenal injuries in children. CEUS improves the diagnostic capabilities by increasing tissue contrast and spatial resolution, readily differentiating viable from necrotic tissue in comparison to conventional ultrasound without the risk of iodine contrast agents and ionizing radiation of repeated CECT examinations. PMID- 29204239 TI - Wilkie's syndrome. AB - Superior mesenteric artery syndrome, also known as Wilkie's syndrome, is a rare vascular disease caused by the anomalous course of the superior mesenteric artery arising from the abdominal aorta with a smaller angle than the norm (<22 degrees ). The reduced angle compresses the structures situated between the aorta and the superior mesenteric artery, such as the duodenum and left renal vein; this can determine painful crises, intestinal subocclusions, and left varicocele. This syndrome can be congenital or acquired. The acquired type is more common and is generally caused by reduced perivascular fat surrounding the abdominal aorta and the superior mesenteric artery; this form is common among anorexic patients that have had a rapid weight loss. We present the case of a female patient who suffered from repeated postprandial vomiting and who lost 12 kg in 4 months. B mode ultrasound imaging revealed evidence of a reduced angle between the aorta and the superior mesenteric artery, as found in Wilkie's syndrome. After diagnosis, the patient followed a high-calorie diet, and 2 months later an ultrasound scan proved the restoration of the aorto-mesenteric angle as a consequence of increased perivascular fat with regression of symptoms. PMID- 29204240 TI - A rare case of diffuse neurofibroma masquerading as a hemangioma: a radiological perspective. AB - Diffuse neurofibroma is a rarely encountered subtype of neurofibroma but the most common to be misdiagnosed. Its imaging appearance is very similar to that of a vascular malformation, and it is often labelled one until a biopsy proves it to be otherwise. The infrequency of its association with neurofibromatosis makes it a rare and difficult diagnosis. Here, we report the case of a 16-year-old girl who presented with the complaint of a gradually progressive swelling around the right ankle and heel, which was initially diagnosed as a case of a vascular malformation. However, it subsequently turned out to be a diffuse neurofibroma. PMID- 29204241 TI - Image-guided thermal ablation of benign thyroid nodules. AB - Purpose: To clarify some relevant and significant inconsistencies and inaccuracies in review by Mainini et al. entitled "Image-guided thermal ablation of benign thyroid nodules" published in Journal of Ultrasound to avoid giving incorrect information to the reader and prevent that operators make wrong choices in the use of various devices and technologies available. Results: Total cases treated with radiofrequency would be 2388 and not 2435 as reported in Table 1 of this review. The major, minor complications, and side effects in the partial group treated with laser technique and reported in this review are actually 1.2, 3.8, and 35.4%, respectively. In series of patients treated with laser ablation, including a total of 2345 patients, major and minor complications are 0.7 and 1.4%, respectively. The major complications of laser technology are less severe than RFA. Conclusions: Several points regarding the paper by Mainini et al. need to be discussed, and I advocate authors for replying to my considerations to clarify the issues raised. PMID- 29204242 TI - Color-Doppler ultrasound in the evaluation of oral lesions. PMID- 29204243 TI - Erratum to: Inter-device reproducibility of retrobulbar blood flow velocity measurements in healthy subjects using color Doppler imaging. AB - [This corrects the article DOI: 10.1007/s40477-016-0194-5.]. PMID- 29204244 TI - Microfluidic platform for characterizing TCR-pMHC interactions. AB - The physical characteristics of the T cell receptor (TCR)-peptide-major histocompatibility complex (pMHC) interaction are known to play a central role in determining T cell function in the initial stages of the adaptive immune response. State-of-the-art assays can probe the kinetics of this interaction with single-molecular-bond resolution, but this precision typically comes at the cost of low throughput, since the complexity of these measurements largely precludes "scaling up." Here, we explore the feasibility of detecting specific TCR-pMHC interactions by flowing T cells past immobilized pMHC and measuring the reduction in cell speed due to the mechanical force of the receptor-ligand interaction. To test this new fluidic measurement modality, we fabricated a microfluidic device in which pMHC-coated beads are immobilized in hydrodynamic traps along the length of a serpentine channel. As T cells flow past the immobilized beads, their change in speed is tracked via microscopy. We validated this approach using two model systems: primary CD8+ T cells from an OT-1 TCR transgenic mouse with beads conjugated with H-2Kb:SIINFEKL, and Jurkat T cells with beads conjugated with anti-CD3 and anti-CD28 antibodies. PMID- 29204245 TI - Microfluidic chip for automated screening of carbon dioxide conditions for microalgal cell growth. AB - This paper reports on a microfluidic device capable of screening carbon dioxide (CO2) conditions for microalgal cell growth. The device mainly consists of a microfluidic cell culture (MCC) unit, a gas concentration gradient generator (CGG), and an in-line cell growth optical measurement unit. The MCC unit is structured with multiple aqueous-filled cell culture channels at the top layer, multiple CO2 flow channels at the bottom layer, and a commercial hydrophobic gas semipermeable membrane sandwiched between the two channel layers. The CGG unit provides different CO2 concentrations to support photosynthesis of microalgae in the culture channels. The integration of the commercial gas semipermeable membrane into the cell culture device allows rapid mass transport and uniform distribution of CO2 inside the culture medium without using conventional agitation-assisted convection methods, because the diffusion of CO2 from the gas flow channels to the culture channels is fast over a small length scale. In addition, automated in-line monitoring of microalgal cell growth is realized via the optical measurement unit that is able to detect changes in the light intensity transmitted through the cell culture in the culture channels. The microfluidic device also allows a simple grayscale analysis method to quantify the cell growth. The utility of the system is validated by growing Chlamydomonas reinhardtii cells under different low or very-low CO2 levels below the nominal ambient CO2 concentration. PMID- 29204246 TI - Constricted microfluidic devices to study the effects of transient high shear exposure on platelets. AB - Due to the critical roles that platelets play in thrombosis during many biological and pathological events, altered platelet function may be a key contributor to altered hemostasis, leading to both thrombotic and hemorrhagic complications. Platelet adhesion at arterial shear rates occurs through binding to von Willebrand Factor via the glycoprotein (GP) GPIb receptor. GPIb binding can induce platelet activation distinguishable by P-selectin (CD62P) surface expression and alphaIIbbeta3 activation, resulting in platelet aggregation and formation of the primary hemostatic plug to stop bleeding. Previous studies have used cone and plate viscometers to examine pathologic blood flow conditions, applied shear rates that are relatively low, and examined exposure times that are orders of magnitude longer compared to conditions present in ventricular assist devices, mechanical heart valves, or pathologic states such as stenotic arteries. Here, we evaluate the effect of short exposure to high shear on granule release and receptor shedding utilizing a constricted microfluidic device in conjunction with flow cytometry and enzyme-linked immunosorbent assay. In this study, platelets were first perfused through microfluidic channels capable of producing shear rates of 80 000-100 000 s-1 for exposure times of 0-73 ms. We investigated platelet activation by measuring the expression level of CD62P (soluble and surface expressed), platelet factor 4 (PF4), and beta-thromboglobulin (betaTG). In addition, we measured potential platelet receptor shedding of GPVI and GPIb using flow cytometry. The results showed that a single pass to high shear with short exposure times (milliseconds) had no effect on the levels of CD62P, GPVI and GPIb, or on the release of alpha granule content (PF4, betaTG, and sP selectin). PMID- 29204247 TI - Oxidative Stress Modulation and ROS-Mediated Toxicity in Cancer: A Review on In Vitro Models for Plant-Derived Compounds. AB - Medicinal and aromatic plants (MAPs) are known and have been long in use for a variety of health and cosmetics applications. Potential pharmacological usages that take advantage of bioactive plant-derived compounds' antimicrobial, antifungal, anti-inflammatory, and antioxidant properties are being developed and many new ones explored. Some phytochemicals could trigger ROS-mediated cytotoxicity and apoptosis in cancer cells. A lot of effort has been put into investigating novel active constituents for cancer therapeutics. While other plant-derived compounds might enhance antioxidant defenses by either radical scavenging or stimulation of intracellular antioxidant enzymes, the generation of reactive oxygen species (ROS) leading to oxidative stress is one of the strategies that may show effective in damaging cancer cells. The biochemical pathways involved in plant-derived bioactive compounds' properties are complex, and in vitro platforms have been useful for a comprehensive understanding of the mechanism of action of these potential anticancer drugs. The present review aims at compiling the findings of particularly interesting studies that use cancer cell line models for assessment of antioxidant and oxidative stress modulation properties of plant-derived bioactive compounds. PMID- 29204248 TI - Ginsenoside Rg1 Ameliorates Behavioral Abnormalities and Modulates the Hippocampal Proteomic Change in Triple Transgenic Mice of Alzheimer's Disease. AB - Alzheimer's disease (AD) is one of the most common neurodegenerative diseases, so far, there are no effective measures to prevent and cure this deadly condition. Ginsenoside Rg1 (Rg1) was shown to improve behavioral abnormalities in AD; however, the potential mechanisms remain unclear. In this study, we pretreated 7 month-old 3xTg-AD mice for 6 weeks with Rg1 and evaluated the effects of Rg1 on the behaviors and the protein expression of hippocampal tissues. The behavioral tests showed that Rg1 could improve the memory impairment and ameliorate the depression-like behaviors of 3xTg-AD mice. Proteomic results revealed a total of 28 differentially expressed hippocampal proteins between Rg1-treated and nontreated 3xTg-AD mice. Among these proteins, complexin-2 (CPLX2), synapsin-2 (SYN2), and synaptosomal-associated protein 25 (SNP25) were significantly downregulated in the hippocampus of 3xTg-AD mice compared with the WT mice, and the treatment of Rg1 modulated the expression of CPLX2 and SNP25 in the hippocampus of 3xTg-AD mice. The expression of CPLX2, SYN2, and SNP25 was further validated by Western blot analysis. Taken together, we concluded that Rg1 could be a potential candidate drug to improve the behavioral deficits in AD via modulating the expression of the proteins (i.e., CPLX2, SYN2, and SNP25). PMID- 29204249 TI - Dietary Polyphenols in the Prevention of Stroke. AB - Polyphenols have an important protective role against a number of diseases, such as atherosclerosis, brain dysfunction, stroke, cardiovascular diseases, and cancer. Cardiovascular diseases are the number one cause of death worldwide: more people die annually from cardiovascular diseases than from any other cause. The most important behavioural risk factors of heart disease and stroke are unhealthy diet, physical inactivity, tobacco use, and excess alcohol intake. The dietary consumption of polyphenols has shown to be inversely associated with morbidity and mortality by cardio- and cerebrovascular diseases. It is well-known that the protective effects of polyphenols in vivo depend on the grade how they are extracted from food and on their intestinal absorption, metabolism, and biological action with target tissues. The aim of this review was to summarise the relation between polyphenols of different plant sources and stroke in human intervention studies, animal models, and in vitro studies. PMID- 29204250 TI - Generation and Role of Reactive Oxygen and Nitrogen Species Induced by Plasma, Lasers, Chemical Agents, and Other Systems in Dentistry. AB - The generation of reactive oxygen and nitrogen species (RONS) has been found to occur during inflammatory procedures, during cell ischemia, and in various crucial developmental processes such as cell differentiation and along cell signaling pathways. The most common sources of intracellular RONS are the mitochondrial electron transport system, NADH oxidase, and cytochrome P450. In this review, we analyzed the extracellular and intracellular sources of reactive species, their cell signaling pathways, the mechanisms of action, and their positive and negative effects in the dental field. In dentistry, ROS can be found in lasers, photosensitizers, bleaching agents, cold plasma, and even resin cements, all of which contribute to the generation and prevalence of ROS. Nonthermal plasma has been used as a source of ROS for biomedical applications and has the potential for use with dental stem cells as well. There are different types of dental stem cells, but their therapeutic use remains largely untapped, with the focus currently on only periodontal ligament stem cells. More research is necessary in this area, including studies about ROS mechanisms with dental cells, along with the utilization of reactive species in redox medicine. Such studies will help to provide successful treatment modalities for various diseases. PMID- 29204252 TI - Paradoxical expression pattern of the epithelial mesenchymal transition-related biomarkers CD44, SLUG, N-cadherin and VSIG1/Glycoprotein A34 in gastrointestinal stromal tumors. AB - AIM: To evaluate the immunohistochemical (IHC) expression of five biomarkers, commonly involved in epithelial mesenchymal/mesenchymal epithelial transition (EMT/MET), in gastrointestinal stromal tumors (GISTs). METHODS: In 80 consecutive GISTs the IHC examinations were performed using the EMT-related antibodies E cadherin, N-cadherin, SLUG, V-set and immunoglobulin domain containing 1 (VSIG1) and CD44. RESULTS: The positivity rate was 88.75% for SLUG, 83.75% for VSIG1, 36.25% for CD44 and 10% for N-cadherin. No correlation was noted between the examined markers and clinicopathological parameters. Nuclear positivity for SLUG and VSIG1 was observed in all cases with distant metastasis. The extra gastrointestinal stromal tumors (e-GISTs) expressed nuclear positivity for VSIG1 and SLUG, with infrequent positivity for N-cadherin and CD44. The low overall survival was mainly dependent on VSIG1 negativity (P = 0.01) and nuclear positivity for SLUG and/or CD44. CONCLUSION: GIST aggressivity may be induced by nuclear up-regulation of SLUG and loss or cytoplasm-to-nuclear translocation of VSIG1. SLUG and VSIG1 may act as activated nuclear transcription factors. The CD44, but not N-cadherin, might also have an independent prognostic value in these tumors. The role of the EMT/MET-related transcription factors in the evolution of GISTs, should be revisited with a larger dataset. This is the first study exploring the IHC pattern of VSIG1 in GISTs. PMID- 29204251 TI - Roles and Mechanisms of Herbal Medicine for Diabetic Cardiomyopathy: Current Status and Perspective. AB - Diabetic cardiomyopathy is one of the major complications among patients with diabetes mellitus. Diabetic cardiomyopathy (DCM) is featured by left ventricular hypertrophy, myocardial fibrosis, and damaged left ventricular systolic and diastolic functions. The pathophysiological mechanisms include metabolic-altered substrate metabolism, dysfunction of microvascular, renin-angiotensin-aldosterone system (RAAS) activation, oxidative stress, cardiomyocyte apoptosis, mitochondrial dysfunction, and impaired Ca2+ handling. An array of molecules and signaling pathways such as p38 mitogen-activated protein kinase (p38 MAPK), c-Jun N-terminal kinase (JNK), and extracellular-regulated protein kinases (ERK) take roles in the pathogenesis of DCM. Currently, there was no remarkable effect in the treatment of DCM with application of single Western medicine. The myocardial protection actions of herbs have been gearing much attention. We present a review of the progress research of herbal medicine as a potential therapy for diabetic cardiomyopathy and the underlying mechanisms. PMID- 29204253 TI - Value of histomorphometric tumour thickness and smoothelin for conventional m classification in early oesophageal adenocarcinoma. AB - AIM: To test the validity of tumour thickness measurement in distinguishing between the different infiltration depths, especially when the duplication of muscularis mucosae cannot be demarcated clearly. METHODS: We re-evaluated 100 completely embedded Barrett's adenocarcinomas regarding m-classification, maximum tumour thickness, and muscularis mucosae duplication. For validation, smoothelin staining was performed on a subset of cases. RESULTS: The m1-, m2- and m3 classified adenocarcinomas showed a significant lower tumour thickness compared to the m4- and sm1-classified lesions (P < 0.001). Smoothelin staining determined a clear muscularis mucosae duplication in 64% of the tested samples and enabled the differentiation of the two layers in diffuse and merged splits. CONCLUSION: Tumour thickness in early oesophageal adenocarcinoma significantly correlates with the depth of infiltration and demonstrates its worth as an accurate pT classification in non-polypoid lesions. We created a new algorithm, which combines histomorphology with morphometric analyses. It is noteworthy that it facilitates the assessment of mucosal vs submucosal infiltration depth. The smoothelin staining strengthened our results of the tumour thickness evaluation and can be used in cases of doubt. PMID- 29204254 TI - Gastric metastasis from ovarian adenocarcinoma presenting as a subepithelial tumor and diagnosed by endoscopic ultrasound-guided tissue acquisition. AB - We describe an uncommon case of a patient with a metastatic adenocarcinoma of ovarian origin presented as a gastric subepithelial tumor (SET) and that was diagnosed by endoscopic ultrasound fine-needle biopsy (EUS-FNB). Malignant gastric lesions are rarely metastatic and the primary tumor is mainly breast, lung, esophageal cancer or cutaneous melanoma. Gastric metastasis from ovarian cancer is unusual, presenting synchronously with the primary tumor but also several years later than the initial diagnosis. From an endoscopic point of view, gastric metastasis does not present specific features. They may mimic both a primary gastric tumor or, less frequently, an SET. This case demonstrates the importance of EUS-FNB in distinguishing SETs and how this may alter treatment and prognosis. PMID- 29204256 TI - Reproductive disturbances among Saudi adolescent girls and young women with type 1 diabetes mellitus. AB - AIM: To identify reproductive disturbances among adolescent girls and young women with type 1 diabetes mellitus (T1DM) in Saudi Arabia. METHODS: This cross sectional study was conducted among 102 female with T1DM, (aged 13-29 years) who attended the Diabetes Clinic at Diabetes Treatment Center, Prince Sultan Military Medical City, Saudi Arabia between April 2015 to March 2016. Clinical history, anthropometric characteristics and reproductive disturbance were collected through a questionnaire. RESULTS: Of 102 patients included in this analysis, 26.5% (27/102) were reported that they experienced an irregular menses. Of these patients, when compared to whose diabetes was diagnosed before menarche (35.4%, 17/48), patients diagnosed with diabetes after menarche (18.5%, 10/54) showed significantly less irregular menses (difference 16.9%, P = 0.04). Similarly, compared to patients diagnosed with diabetes prior to menarche (mean age 12.9 years; n = 48), patients diagnosed with diabetes after menarche (mean age 12.26 years; n = 54) were found to have 0.64 years delay in the age of menarche (P = 0.04). Among the studied patients, 15.7% (16/102) had polycystic ovary syndrome (PCOS). Of these PCOS patients, 37.5% (6/16) had irregular menses, 6.3% (1/16) had Celiac disease, 37.5% (6/16) had Hashimoto thyroiditis and 18.7% (3/16) had acne. CONCLUSION: More than one fourth of the study population with T1DM experiencing an irregular menses. Adolescent girls and young women diagnosed with diabetes prior to menarche showed higher menstrual irregularity and a delay in the age of menarche. PMID- 29204257 TI - Feature-Based Retinal Image Registration Using D-Saddle Feature. AB - Retinal image registration is important to assist diagnosis and monitor retinal diseases, such as diabetic retinopathy and glaucoma. However, registering retinal images for various registration applications requires the detection and distribution of feature points on the low-quality region that consists of vessels of varying contrast and sizes. A recent feature detector known as Saddle detects feature points on vessels that are poorly distributed and densely positioned on strong contrast vessels. Therefore, we propose a multiresolution difference of Gaussian pyramid with Saddle detector (D-Saddle) to detect feature points on the low-quality region that consists of vessels with varying contrast and sizes. D Saddle is tested on Fundus Image Registration (FIRE) Dataset that consists of 134 retinal image pairs. Experimental results show that D-Saddle successfully registered 43% of retinal image pairs with average registration accuracy of 2.329 pixels while a lower success rate is observed in other four state-of-the-art retinal image registration methods GDB-ICP (28%), Harris-PIIFD (4%), H-M (16%), and Saddle (16%). Furthermore, the registration accuracy of D-Saddle has the weakest correlation (Spearman) with the intensity uniformity metric among all methods. Finally, the paired t-test shows that D-Saddle significantly improved the overall registration accuracy of the original Saddle. PMID- 29204255 TI - Bariatric surgery and long-term nutritional issues. AB - Bariatric surgery is recognized as a highly effective therapy for obesity since it accomplishes sustained weight loss, reduction of obesity-related comorbidities and mortality, and improvement of quality of life. Overall, bariatric surgery is associated with a 42% reduction of the cardiovascular risk and 30% reduction of all-cause mortality. This review focuses on some nutritional consequences that can occur in bariatric patients that could potentially hinder the clinical benefits of this therapeutic option. All bariatric procedures, to variable degrees, alter the anatomy and physiology of the gastrointestinal tract; this alteration makes these patients more susceptible to developing nutritional complications, namely, deficiencies of macro- and micro-nutrients, which could lead to disabling diseases such as anemia, osteoporosis, protein malnutrition. Of note is the evidence that most obese patients present a number of nutritional deficits already prior to surgery, the most important being vitamin D and iron deficiencies. This finding prompts the need for a complete nutritional assessment and, eventually, an adequate correction of pre-existing deficits before surgery. Another critical issue that follows bariatric surgery is post-operative weight regain, which is commonly associated with the relapse of obesity-related co morbidities. Nu-tritional complications associated with bariatric surgery can be prevented by life-long nutritional monitoring with the administration of multi vitamins and mineral supplements according to the patient's needs. PMID- 29204258 TI - A Remote Health Monitoring System for the Elderly Based on Smart Home Gateway. AB - This paper proposed a remote health monitoring system for the elderly based on smart home gateway. The proposed system consists of three parts: the smart clothing, the smart home gateway, and the health care server. The smart clothing collects the elderly's electrocardiogram (ECG) and motion signals. The home gateway is used for data transmission. The health care server provides services of data storage and user information management; it is constructed on the Windows Apache-MySQL-PHP (WAMP) platform and is tested on the Ali Cloud platform. To resolve the issues of data overload and network congestion of the home gateway, an ECG compression algorithm is applied. System demonstration shows that the ECG signals and motion signals of the elderly can be monitored. Evaluation of the compression algorithm shows that it has a high compression ratio and low distortion and consumes little time, which is suitable for home gateways. The proposed system has good scalability, and it is simple to operate. It has the potential to provide long-term and continuous home health monitoring services for the elderly. PMID- 29204260 TI - The evolving role of targeted biological agents in the management of indolent B cell lymphomas. AB - Improved understanding of the mechanisms of lymphomagenesis has resulted in a surge of development for new targeted agents. An impressive number of biological agents targeting different steps in the pathways of tumor proliferation, survival and apoptosis have become available. The management of patients with indolent non Hodgkin lymphomas (iNHLs) is rapidly transforming with incorporation of those targeted biological agents into the front-line and relapsed/refractory setting. This review highlights several categories of novel biological agents and will discuss their potential role in the contemporary management of patients with iNHLs. PMID- 29204259 TI - Early development of infants with neurofibromatosis type 1: a case series. AB - Background: Prospective studies of infants at familial risk for autism spectrum disorder (ASD) have yielded insights into the earliest signs of the disorder but represent heterogeneous samples of unclear aetiology. Complementing this approach by studying cohorts of infants with monogenic syndromes associated with high rates of ASD offers the opportunity to elucidate the factors that lead to ASD. Methods: We present the first report from a prospective study of ten 10-month-old infants with neurofibromatosis type 1 (NF1), a monogenic disorder with high prevalence of ASD or ASD symptomatology. We compared data from infants with NF1 to a large cohort of infants at familial risk for ASD, separated by outcome at age 3 of ASD (n = 34), atypical development (n = 44), or typical development (n = 89), and low-risk controls (n = 75). Domains assessed at 10 months by parent report and examiner observation include cognitive and adaptive function, sensory processing, social engagement, and temperament. Results: Infants with NF1 showed striking impairments in motor functioning relative to low-risk infants; this pattern was seen in infants with later ASD from the familial cohort (HR-ASD). Both infants with NF1 and the HR-ASD group showed communication delays relative to low-risk infants. Conclusions: Ten-month-old infants with NF1 show a range of developmental difficulties that were particularly striking in motor and communication domains. As with HR-ASD infants, social skills at this age were not notably impaired. This is some of the first information on early neurodevelopment in NF1. Strong inferences are limited by the sample size, but the findings suggest implications for early comparative developmental science and highlight motor functioning as an important domain to inform the development of relevant animal models. The findings have clinical implications in indicating an important focus for early surveillance and remediation in this early diagnosed genetic disorder. PMID- 29204261 TI - Recombinant human factor VIIa (rFVIIa) in hemophilia: mode of action and evidence to date. AB - Recombinant activated factor VII (rFVIIa) is a bypassing agent widely used both in the treatment and prevention of hemorrhagic complications due to hemophilia with inhibitor. In such cases, antihemophilic factors cannot be used. The normal physiology of factor VII/ factor VIIa (FVII/FVIIa) in the hemostatic process requires the presence of tissue factor (TF) that links to FVII leading to a FVIIa TF complex which activates both factor X and factor IX. The therapeutic use of rFVIIa requires high amount of FVIIa. Some studies demonstrate that FVIIa at high doses still requires tissue factor for function, whereas others suggest that FVIIa activates FX directly on the platelet surface, in a TF-independent manner. In the present article, we discuss the arguments supporting both TF-dependent and TF-independent modes of action. Finally, the coexistence of both TF-dependent and TF-independent mechanisms cannot be excluded. PMID- 29204262 TI - The role of oral anticoagulant therapy in patients with acute coronary syndrome. AB - Dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 receptor antagonist represents the current standard of care to prevent atherothrombotic recurrences in patients with acute coronary syndrome (ACS). However, despite the use of DAPT, the recurrence rate of cardiovascular ischemic events still remains high. This persistent risk may be in part attributed to the sustained activation of the coagulation cascade leading to generation of thrombin, which may continue to play a key role in thrombus formation. The use of vitamin K antagonists (VKAs) as a strategy to reduce atherothrombotic recurrences after an ACS has been previously tested, leading to overall unfavorable outcomes due to the high risk of bleeding complications. The recent introduction of non-VKA oral anticoagulants (NOACs), characterized by a better safety profile and ease of use compared with VKA, has led to a reappraisal of the use of oral anticoagulant therapy for secondary prevention in ACS patients. The present article provides an overview of the rationale and prognostic role of oral anticoagulant therapy in ACS patients as well as recent updated clinical data, in particular with NOACs, in the field and future perspectives on this topic. PMID- 29204264 TI - Curvature Blindness Illusion. AB - We report a novel illusion--curvature blindness illusion: a wavy line is perceived as a zigzag line. The following are required for this illusion to occur. First, the luminance contrast polarity of the wavy line against the background is reversed at the turning points. Second, the curvature of the wavy line is somewhat low; the right angle is too steep to be perceived as an illusion. This illusion implies that, in order to perceive a gentle curve, it is necessary to satisfy more conditions--constant contrast polarity--than perceiving an obtuse corner. It is notable that observers exactly "see" an illusory zigzag line against a physically wavy line, rather than have an impaired perception. We propose that the underlying mechanisms for the gentle curve perception and those of obtuse corner perception are competing with each other in an imbalanced way and the percepts of corner might be dominant in the visual system. PMID- 29204265 TI - Using deep learning to improve medication safety: the untapped potential of social media. PMID- 29204263 TI - The Oscillating Potential Model of Visually Induced Vection. AB - Visually induced illusions of self-motion are often referred to as vection. This article developed and tested a model of responding to visually induced vection. We first constructed a mathematical model based on well-documented characteristics of vection and human behavioral responses to this illusion. We then conducted 10,000 virtual trial simulations using this Oscillating Potential Vection Model (OPVM). OPVM was used to generate simulated vection onset, duration, and magnitude responses for each of these trials. Finally, we compared the properties of OPVM's simulated vection responses with real responses obtained in seven different laboratory-based vection experiments. The OPVM output was found to compare favorably with the empirically obtained vection data. PMID- 29204266 TI - Pegloticase in gout treatment - safety issues, latest evidence and clinical considerations. AB - Gout is a common rheumatic condition, with increasing prevalence in recent decades. The mainstay of treatment for gout is oral urate-lowering therapy (ULT), typically with xanthine oxidase inhibitors (XOIs). Unfortunately, a proportion of patients have persistent gout that is refractory to ULT. Pegloticase, a recombinant pegylated uricase, has been approved by the US Food and Drug Administration for the treatment of refractory gout. However, concern has been raised regarding the risk of infusion reactions, which are now understood to be largely due to the development of antipegloticase antibodies. Discontinuation of pegloticase upon failure to lower serum urate has been shown to markedly reduce infusion reaction risk, but deprives patients of what, in many cases, is a last resort treatment. In this manuscript, we review the rationale, mechanism of action, efficacy and safety of pegloticase. Additionally, we focus on potential strategies to reduce pegloticase immunogenicity and potentially make this important agent available to a wider group of patients requiring treatment. PMID- 29204267 TI - Tamsulosin induced diarrhea: a case report. PMID- 29204269 TI - A systematic review and overview of health economic evaluations of emergency laparotomy. AB - Background: Little is known about the economic impact of emergency laparotomy (EL) surgery in healthcare systems around the world. The aim of this systematic review is to describe the primary resource utilisation, healthcare economic and societal costs of EL in adults in different countries. Methods: MEDLINE, EMBASE, ISI Web of Knowledge, Cochrane Central Register Controlled Trials, Cochrane Database of Systematic Reviews and CINAHL were searched for full and partial economic analyses of EL published between 1 January 1991 and 31 December 2015. Quality of studies was assessed using the Consensus on Health Economic Criteria (CHEC) checklist. Results: Sixteen studies were included from a range of countries. One study was a full economic analysis. Fifteen studies were partial economic evaluations. These studies revealed that emergency abdominal surgery is expensive compared to similar elective surgery when comparing primary resource utilisation costs, with an important societal impact. Most contemporaneous studies indicate that in-hospital costs for EL are in excess of US$10,000 per patient episode, rising substantially when societal costs are considered. Discussion: EL is a high-risk and costly procedure with a disproportionate financial burden for healthcare providers, relative to national funding provisions and wider societal cost impact. There is substantial heterogeneity in the methodologies and quality of published economic evaluations of EL; therefore, the true economic costs of EL are yet to be fully defined. Future research should focus on developing strategies to embed health economic evaluations within national programmes aiming to improve EL care, including developing the required measures and infrastructure. Conclusions: Emergency laparotomy is expensive, with a significant cost burden to healthcare and systems and society worldwide. Novel strategies for reducing this econmic burden should urgently be explored if greater access to this type of surgery is to be pursued as a global health target. Trial registration: PROSPERO registration no. 42015027210. PMID- 29204268 TI - Role of metastasis-induced protein S100A4 in human non-tumor pathophysiologies. AB - S100A4, an important member of the S100 family of proteins, is best known for its significant role in promoting cancer progression and metastasis. In addition to its expression in tumors, upregulation of S100A4 expression has been associated with various non-tumor pathophysiology processes. However, the mechanisms underlying the role of S100A4 remain unclear. Activated "host" cells (fibroblasts, immunocytes, vascular cells, among others) secrete S100A4 into the extracellular space in various non-tumor human disorders, where it executes its biological functions by interacting with intracellular target proteins. However, the exact molecular mechanisms underlying these interactions in different non tumor pathophysiologies vary, and S100A4 is likely one of the cross-linking factors that acts as common intrinsic constituents of biological mechanisms. Numerous studies have indicated that the S100A4-mediated epithelial-mesenchymal transition plays a vital role in the occurrence and development of various non tumor pathophysiologies. Epithelial-mesenchymal transition can be categorized into three general subtypes based on the phenotype and function of the output cells. S100A4 regulates tissue fibrosis associated with the type II epithelial mesenchymal transition via various signaling pathways. Additionally, S100A4 stimulates fibroblasts to secrete fibronectin and collagen, thus forming the structural components of the extracellular matrix (ECM) and stimulating their deposition in tissues, contributing to the formation of a pro-inflammatory niche. Simultaneously, S100A4 enhances the motility of macrophages, neutrophils, and leukocytes and promotes the recruitment and chemotaxis of these inflammatory cells to regulate inflammation and immune functions. S100A4 also exerts a neuroprotective pro-survival effect on neurons by rescuing them from brain injury and participates in angiogenesis by interacting with other target molecules. In this review, we summarize the role of S100A4 in fibrosis, inflammation, immune response, neuroprotection, angiogenesis, and some common non-tumor diseases as well as its possible involvement in molecular pathways and potential clinical value. PMID- 29204270 TI - Comparison of risk-scoring systems in the prediction of outcome after liver resection. AB - Background: Risk prediction techniques commonly used in liver surgery include the American Society of Anesthesiologists (ASA) grading, Charlson Comorbidity Index (CCI) and cardiopulmonary exercise tests (CPET). This study compares the utility of these techniques along with the number of segments resected as predictive tools in liver surgery. Methods: A review of a unit database of patients undergoing liver resection between February 2008 and January 2015 was undertaken. Patient demographics, ASA, CCI and CPET variables were recorded along with resection size. Clavien-Dindo grade III-V complications were used as a composite outcome in analyses. Association between predictive variables and outcome was assessed by univariate and multivariate techniques. Results: One hundred and seventy-two resections in 168 patients were identified. Grade III-V complications occurred after 42 (24.4%) liver resections. In univariate analysis of CPET variables, ventilatory equivalents for CO2 (VEqCO2) was associated with outcome. CCI score, but not ASA grade, was also associated with outcome. In multivariate analysis, the odds ratio of developing grade III-V complications for incremental increases in VEqCO2, CCI and number of liver segments resected were 1.09, 1.49 and 2.94, respectively. Conclusions: Of the techniques evaluated, resection size provides the simplest and most discriminating predictor of significant complications following liver surgery. PMID- 29204272 TI - Novel antibiotic combinations proposed for treatment of Burkholderia cepacia complex infections. AB - Effective strategies to manage Burkholderia cepacia complex (Bcc) infections in cystic fibrosis (CF) patients are lacking. We tested combinations of clinically available antibiotics and show that moxifloxacin-ceftazidime could inhibit 16 Bcc clinical isolates at physiologically achievable concentrations. Adding low dose of colistin improved the efficacy of the combo, especially at conditions mimicking CF respiratory secretions. PMID- 29204273 TI - Specific serum antibody binding to phosphorylated and non-phosphorylated tau in non-cognitively impaired, mildly cognitively impaired, and Alzheimer's disease subjects: an exploratory study. AB - Background: Tau vaccination and administration of anti-tau antibodies can prevent pathology and cognitive impairment in transgenic mouse models of tauopathy, suggesting that therapies which increase anti-tau antibodies might slow the development and/or progression of Alzheimer's disease (AD). The extent to which individuals with no cognitive impairment (NCI) possess serum anti-tau antibodies, and whether their concentrations of these antibodies differ from anti-tau antibody levels in persons with mild cognitive impairment (MCI) or AD, are unclear. Previous studies measuring these antibodies did not account for antibody polyvalent binding, which can be extensive, nor that antibody binding to phosphorylated tau peptides could be due to binding to non-phosphorylated epitopes on those peptides. Methods: An ELISA controlling for these factors was used to measure the specific binding of serum IgG and IgM to phosphorylated ("pTau;" phosphorylated at Serine-199 and Serine-202) and non-phosphorylated ("non-pTau") tau 196-207 in subjects with NCI, MCI, or AD (n = 10/group). Between group differences in these antibody levels were evaluated for statistical significance, and correlations were examined in pooled data from all subjects between these antibody levels and subject age, global cognitive functioning, and NFT counts. Results: Specific IgG binding to pTau and non-pTau was detected in all subjects except for one NCI control. Specific IgM binding was detected to pTau in all subjects except for two AD patients, and to non-pTau in all subjects. Mean pTau IgG was increased in MCI subjects by 53% and 70% vs. AD and NCI subjects respectively (both p < 0.05), while no significant differences were found between groups for non-pTau IgG (p = 0.052), pTau IgM, or non-pTau IgM. Non pTau IgG was negatively associated with global cognition (Spearman rho = -0.50). Conclusions: Specific binding of serum IgG and IgM to phosphorylated and non phosphorylated tau may be present in older persons regardless of their cognitive status. Serum IgG to phosphorylated tau may be increased in individuals with MCI, but this unexpected finding requires confirmation. The approach used in this study to measure specific serum antibodies to phosphorylated tau should be useful for measuring antibodies to other post-translationally-modified proteins that are of relevance to neurodegenerative disorders. PMID- 29204274 TI - Clinical use of adipose-derived stem cells: European legislative issues. AB - Objective: With this study we analyse the current European legislation in order to provide guidance for regenerative medicine professionals on correct Adipose derived Stem Cells (ASCs) isolation and use protocols for clinical applications. Materials and Methods: The European Medicines Agency (EMA) considers that ASCs does not fall within the definition of an advanced therapy medicinal product if the cells have not been subjected to a substantial manipulation, and the mode of action of the cells (contribute to and enhance tissue renewal and turnover of the subcutaneous tissue) is considered to be homologous to the donor fat tissue. Results: Collagenase digestion, as well as cell culturing, is considered to be a substantial manipulation. Only transplantation of a non-manipulated tissue to another location in the same anatomical or histological environment is considered to be homologous. Conclusions: According to these considerations, ASCs should be not-cultured, isolated mechanically and used only in the subcutaneous tissue. PMID- 29204271 TI - Genome sequencing and analysis of the first spontaneous Nanosilver resistant bacterium Proteus mirabilis strain SCDR1. AB - Background: P. mirabilis is a common uropathogenic bacterium that can cause major complications in patients with long-standing indwelling catheters or patients with urinary tract anomalies. In addition, P. mirabilis is a common cause of chronic osteomyelitis in Diabetic foot ulcer (DFU) patients. We isolated P. mirabilis SCDR1 from a Diabetic ulcer patient. We examined P. mirabilis SCDR1 levels of resistance against Nanosilver colloids, the commercial Nanosilver and silver containing bandages and commonly used antibiotics. We utilized next generation sequencing techniques (NGS), bioinformatics, phylogenetic analysis and pathogenomics in the characterization of the infectious pathogen. Results: P. mirabilis SCDR1 was the first Nanosilver resistant isolate collected from a diabetic patient polyclonal infection. P. mirabilis SCDR1 showed high levels of resistance against Nanosilver colloids, Nanosilver chitosan composite and the commercially available Nanosilver and silver bandages. The P. mirabilis -SCDR1 genome size is 3,815,621 bp. with G + C content of 38.44%. P. mirabilis-SCDR1 genome contains a total of 3533 genes, 3414 coding DNA sequence genes, 11, 10, 18 rRNAs (5S, 16S, and 23S), and 76 tRNAs. Our isolate contains all the required pathogenicity and virulence factors to establish a successful infection. P. mirabilis SCDR1 isolate is a potential virulent pathogen that despite its original isolation site, the wound, can establish kidney infection and its associated complications. P. mirabilis SCDR1 contains several mechanisms for antibiotics and metals resistance, including, biofilm formation, swarming mobility, efflux systems, and enzymatic detoxification. Conclusion: P. mirabilis SCDR1 is the first reported spontaneous Nanosilver resistant bacterial strain. P. mirabilis SCDR1 possesses several mechanisms that may lead to the observed Nanosilver resistance. PMID- 29204275 TI - Fractography of clinically fractured, implant-supported dental computer-aided design and computer-aided manufacturing crowns. AB - Today, a substantial part of the dental crown production uses computer-aided design and computer-aided manufacturing (CAD/CAM) technology. A recent step in restorative dentistry is the replacement of natural tooth structure with pre polymerized and machined resin-based methacrylic polymers. Recently, a new CAD/CAM composite was launched for the crown indication in the load-bearing area, but the clinical reality forced the manufacturer to withdraw this specific indication. In parallel, a randomized clinical trial of CAD/CAM composite crowns luted on zirconia implant abutments revealed a high incidence of failure within the first year of service. Fractured crowns of this clinical trial were retrieved and submitted to a fractographic examination. The aim of the case series presented in this article was to identify failure reasons for a new type of CAD/CAM composite crown material (Lava Ultimate; 3M Oral Care, St. Paul, Minnesota, USA) via fractographic examinations and analytical assessment of luting surfaces and water absorption behavior. As a result, the debonding of the composite crowns from the zirconia implant abutments was identified as the central reason for failure. The adhesive interface was found the weakest link. A lack of silica at the zirconia surface certainly has compromised the bonding potential of the adhesive system from the beginning. Additionally, the hydrolytic stress released from swelling of the resin-based crown (water absorption) and transfer to the luting interface further added to the interfacial stress and most probably contributed to a great extend to the debonding failure. PMID- 29204276 TI - The mediating role of mentalizing capacity between parents and peer attachment and adolescent borderline personality disorder. AB - Background: Insecure attachment is a precursor and correlate of borderline personality disorder. According to the mentalization-based theory of borderline personality disorder, the presence of insecure attachment derails the development of the capacity to mentalize, potentially resulting in borderline pathology. While one prior study found support for this notion in adolescents, it neglected a focus on peer attachment. Separation from primary caregivers and formation of stronger bonds to peers are key developmental achievements during adolescence and peer attachment warrants attention as a separate concept. Findings: In a cross sectional study, female outpatients (Mage 15.78=, SD = 1.04) who fulfilled DSM-5 criteria for BPD (N = 106) or met at least 4 BPD criteria (N = 4) completed self reports on attachment to parents and peers, mentalizing capacity (reflective function) and borderline personality features. Our findings suggest that in a simple mediational model, mentalizing capacity mediated the relation between attachment to peers and borderline features. In the case of attachment to parents, the mediational model was not significant. Conclusions: The current study is the first to evaluate this mediational model with parent and peer attachment as separate concepts and the first to do so in a sample of adolescents who meet full or sub-threshold criteria for borderline personality disorder. Findings incrementally support that mentalizing capacity and attachment insecurity, also in relation to peers, are important concepts in theoretical approaches to the development of borderline personality disorder in adolescence. Clinical implications are discussed. PMID- 29204277 TI - Cytomegalovirus-mononucleosis-induced thyroiditis in an immunocompetent patient. AB - : Enteroviruses, including coxsackieviruses and Echovirus, are well known pathogens responsible for the development of thyroiditis. We describe the case of a 49-year-old woman with no personal or family history of thyroid disease who presented to the emergency room with a two-week history of daily fevers up to 39 degrees C, a sore throat, occasional palpitations and diaphoresis, decreased appetite and an unintentional 10 kg weight loss over the same time course Physical examination revealed mild tachycardia, an intention tremor and a normal sized, nontender thyroid gland without palpable nodules. The remainder of the physical examination was unremarkable and without stigmata of Graves' disease. Her initial blood tests revealed overt thyrotoxicosis, elevated liver enzymes, an elevated C-reactive protein, a negative monospot and a positive CMV IgM antibody. Thyroid sonography revealed areas of hypoechogenicity and relatively low vascularity. Fine-needle biopsy showed a lymphocytic infiltrate. The patient was treated symptomatically with propranolol. On follow-up, the patient became euthyroid, and her liver enzymes normalised. Previous cases of CMV-induced thyroiditis occurred in immunosuppressed patients. This is the first reported case of a CMV-mononucleosis-induced thyroiditis in an immunocompetent adult patient and serves as a reminder that viral illnesses are a common cause of thyroiditis with abnormal liver enzymes. Learning points: The differential diagnosis of thyrotoxicosis with abnormal liver enzymes includes severe hyperthyroidism and thyroid storm caused by Graves' disease as well as the thyrotoxic phase of a thyroiditis, usually caused by a virus such as coxsackievirus or, in this case, cytomegalovirus.Cytomegalovirus appears to be a recently recognized causal agent for thyroiditis, both in immunosuppressed and immunocompetent patients.Careful follow-up of thyroid function tests in patients with thyroiditis allows clinicians to determine if patients' thyroid hormone secretion normalizes or if they remain hypothyroid. PMID- 29204278 TI - Cured primary hyperparathyroidism after fine-needle aspiration biopsy-induced parathyroid disappearance. AB - : Spontaneous or fine-needle aspiration (FNAB)-induced remission of primary hyperparathyroidism (PHPT) may occur, especially for cystic lesions. However, the disease generally relapses over a short time period. We present a case of PHPT due to an enlarged hyperfunctioning parathyroid that underwent long-term (almost 9 years) clinical and ultrasonographic remission after the disappearance of the lesion following ultrasound (US)-assisted FNAB. A 67-year-old woman with PHPT underwent biochemical and US examinations that confirmed the diagnosis and showed a lesion suggestive for parathyroid adenoma or hyperplasia. US-FNAB of the lesion confirmed its parathyroid nature by means of elevated levels of parathyroid hormone within the needle washing fluid. At the second visit, the patient referred slight neck swelling that resolved spontaneously in the days after the US-FNAB. At subsequent follow-up, the enlarged parathyroid was not found; it was visible neither with US nor with magnetic resonance imaging. Biochemical remission persists after 9 years. This is the first reported case of cure of PHPT after US-FNAB performed on a hyperfunctioning parathyroid resulting in its complete disappearance over a period of 9 years of negative biochemical and ultrasonographic follow-up. Learning points: Spontaneous or fine-needle aspiration-induced remission of primary hyperparathyroidism can occur.Both circumstances may present disease relapse over a variable time period, but definite remission is also possible even though long-term periodic follow-up should be performed.Parathyroid damage should be ruled out in case of neck symptomatology after parathyroid fine-needle aspiration or spontaneous symptomatology in patients with history of primary hyperparathyroidism. PMID- 29204279 TI - Sellar plasmacytoma presenting with symptoms of anterior pituitary dysfunction. AB - : Sellar plasmacytomas are rare and the differential diagnosis with non functioning pituitary adenomas might be difficult because of clinical and radiological resemblance. They usually present with neurological signs and intact anterior pituitary function. Some may already have or eventually progress to multiple myeloma. We describe a case associated with extensive anterior pituitary involvement, which is a rare form of presentation. A 68-year-old man was referred to our Endocrinology outpatient clinic due to gynecomastia, reduced libido and sexual impotence. Physical examination, breast ultrasound and mammography confirmed bilateral gynecomastia. Blood tests revealed slight hyperprolactinemia, low testosterone levels, low cortisol levels and central hypothyroidism. Sellar MRI showed a heterogeneous sellar mass (56 * 60 * 61 mm), initially suspected as an invasive macroadenoma. After correcting the pituitary deficits with hydrocortisone and levothyroxine, the patient underwent transsphenoidal surgery. Histological examination revealed a plasmacytoma and multiple myeloma was ruled out. The patient was unsuccessfully treated with radiation therapy (no tumor shrinkage). Myeloma ultimately developed, with several other similar lesions in different locations. The patient was started on chemotherapy, had a bone marrow transplant and is now stable (progression free) on lenalidomide and dexamethasone. The presenting symptoms and panhypopituitarism persisted, requiring chronic replacement treatment with levothyroxine, hydrocortisone and testosterone. Learning points: Plasmacytomas, although rare, are a possible type of sellar masses, which have a completely different treatment approach, so it is important to make the correct diagnosis.Usually, they present with neurological signs and symptoms and a well-preserved pituitary function, but our case shows that anterior pituitary function can be severely compromised.Making a more extensive evaluation (clinical and biochemical) might provide some clues to this diagnosis. PMID- 29204281 TI - 'Lactobacillus raoultii' sp. nov., a new bacterium isolated from the vaginal flora of a woman with bacterial vaginosis. AB - We report the isolation of a new bacterium species, 'Lactobacillus raoultii' strain Marseille P4006 (CSUR P4006), isolated from a vaginal sample of a 45-year old woman with bacterial vaginosis. PMID- 29204280 TI - Physical fitness and levels of physical activity in people with severe mental illness: a cross-sectional study. AB - Background: Physical fitness is a crucial variable in people with severe mental illness as these people could be more independent and improve their job opportunities. The present study compared the physical fitness of physically active and inactive people with severe mental illness. Methods: Physical fitness was evaluated in sixty-two people with severe mental illness using 11 physical tests that include strength, flexibility, balance and aerobic condition. Significant differences were found between both groups in muscle strength (handgrip test) and balance (single leg balance test and functional reach) with better performance in the group of physically active people. Results: The results of the present study suggest that physical fitness (strength and balance) is higher in people with severe mental illness who practise regular physical activity that those who are inactive people. Conclusions: Physical active people may have a reduced risk of falls and fractures due to their higher levels of physical fitness. PMID- 29204282 TI - In vivo selection of a multidrug-resistant Aeromonas salmonicida during medicinal leech therapy. AB - We report the selection in a 15-year-old boy of a multidrug-resistant, extended spectrum beta-lactamase (ESBL)-producing Aeromonas salmonicida after medicinal leech therapy that required an antibiotic prophylaxis based on piperacillin/tazobactam and cotrimoxazole. Whole genome sequencing of the strain indeed revealed 13 antibiotic resistance genes, including the ESBL CTX-M-3 and the unusual beta-lactamase SCO-1. PMID- 29204283 TI - Genome sequence of "Leucobacter massiliensis" sp. nov. isolated from human pharynx after travel to the 2014 Hajj. AB - "Leucobacter massiliensis" strain 122RC15T sp. nov. is a new species within the genus Leucobacter. The genome of this strain is described here. It was isolated from the pharynx of a 76-year-old Algerian female after travelling from the 2014 Hajj. "Leucobacter massiliensis" is a Gram-positive, aerobic bacillus. Here we describe the features including complete genome and annotation of this strain. The 3 136 406-bp long genome contains 2797 protein-coding genes and 49 RNA genes. PMID- 29204284 TI - 'Brevibacterium ihuae' sp. nov., isolated from a stool sample of a healthy 25 year-old woman. AB - We report the main characteristics of 'Brevibacterium ihuae' strain cv3T isolated from a stool sample of a healthy 25-year-old woman. PMID- 29204285 TI - Molecular characterization of Acinetobacter baumannii isolated from Iraqi hospital environment. AB - Healthcare-associated items are a common source of acquired infections, and hospital-acquired infections cause significant mortality and morbidity worldwide. Acinetobacter baumannii is the most prevalent infection-causing organism in the hospital environment. Hospital articles and objects are the main sources of infection with the ability to transmit some of the pathogenic microorganisms such as A. baumannii, which is considered a serious problem in therapeutic treatments. In the current study, we isolated A. baumannii from hospital sources and evaluated its antibiotic resistance, virulence factors and resistance gene determinants. The isolates were identified phenotypically as well as genotypically using PCR. In addition, their capability for biofilm formation and ten other virulence factors were measured. Of 112 samples, 21 showed growth of the target organism. Apart from A. baumannii, isolates of Candida albicans, Staphylococcus sp., Pseudomonas aeruginosa, Escherichia coli and Klebsiella pneumoniae were also grown. Antibiotic susceptibility test results considered all the A. baumannii to be multidrug-resistant isolates with the highest resistance being 100% to gentamycin, ciprofloxacin; the most effective antibiotics with 100% susceptibility was colistin and tigecycline. All A. baumannii isolates had MIC for ceftriaxone >32 mg/L. All A. baumannii isolates from the hospital environment showed multidrug resistance and had many virulence factors. They have long-term resistance to dry conditions and cause a serious public health issue. PMID- 29204286 TI - Accurate differentiation of Escherichia coli and Shigella serogroups: challenges and strategies. AB - Shigella spp. and Escherichia coli are closely related; both belong to the family Enterobacteriaceae. Phenotypically, Shigella spp. and E. coli share many common characteristics, yet they have separate entities in epidemiology and clinical disease, which poses a diagnostic challenge. We collated information for the best possible approach to differentiate clinically relevant E. coli from Shigella spp. We found that a molecular approach is required for confirmation. High discriminatory potential is seen with whole genome sequencing analysed for k-mers and single nucleotide polymorphism. Among these, identification using single nucleotide polymorphism is easy to perform and analyse, and it thus appears more promising. Among the nonmolecular methods, matrix-assisted desorption ionization time of flight mass spectrometry may be applicable when data analysis is assisted with advanced analytic tools. PMID- 29204287 TI - Libanicoccus massiliensis gen. nov., sp. nov., a new bacterium isolated from human stool. AB - Strain Marseille-P3237 was isolated from a stool sample of a healthy 35-year-old Congolese pygmy female. This anaerobic, Gram-negative, non-spore-forming and non motile coccus-shaped bacterium is a member of the order Coriobacteriales. It exhibits a 2 009 306-bp genome with a 65.46 mol% G+C content and is closely related to, but distinct from, members of the Olsenella genus. We propose the creation of the new genus Libanicoccus gen. nov. and of the new species Libanicoccus massiliensis sp. nov. PMID- 29204288 TI - Potency of cashew nut shell liquid in rumen modulation under different dietary conditions and indication of its surfactant action against rumen bacteria. AB - Background: Cashew nut shell liquid (CNSL) is an agricultural byproduct containing alkylphenols that has been shown to favorably change the rumen fermentation pattern only under experimentally fixed feeding conditions. Investigation of CNSL potency in rumen modulation under a variety of feeding regimens, and evidence leading to the understanding of CNSL action are obviously necessary for further CNSL applications. The objective of this study was to evaluate the potency of CNSL for rumen modulation under different dietary conditions, and to visually demonstrate its surfactant action against selected rumen bacteria. Methods: Batch culture studies were carried out using various diets with 5 different forage to concentrate (F:C) ratios (9:1, 7:3, 5:5. 3:7 and 1:9). Strained rumen fluid was diluted with a buffer and incubated with each diet. Gas and short chain fatty acid (SCFA) profiles were characterized after 18 h incubation at 39 degrees C. Monensin was also evaluated as a reference additive under the same conditions. Four species of rumen bacteria were grown in pure culture and exposed to CNSL to determine their morphological sensitivity to the surfactant action of CNSL. Results: CNSL supplementation decreased total gas production in diets with 5:5 and 3:7 F:C ratios, whereas the F:C ratio alone did not affect any gas production. Methane decrease by CNSL addition was more apparent in diets with 5:5, 3:7, and 1:9 F:C ratios. An interactive effect of CNSL and the F:C ratio was also observed for methane production. CNSL supplementation enhanced propionate production, while total SCFA production was not affected. Monensin decreased methane production but only in a diet with a 1:9 F:C ratio with increased propionate. Studies of pure cultures indicated that CNSL damaged the cell surface of hydrogen- and formate-producing bacteria, but did not change that of propionate-producing bacteria. Conclusion: CNSL can selectively inhibit rumen bacteria through its surfactant action to lead fermentation toward less methane and more propionate production. As CNSL is effective over a wider range of dietary conditions for such modulation of rumen fermentation in comparison with monensin, this new additive candidate might be applied to ruminant animals for various production purposes and at various stages. PMID- 29204289 TI - Successful treatment of tracheal lymphoma in a Siamese cat. AB - Case summary: An 8-year-old female spayed Siamese indoor cat presented with a 3 week history of inspiratory dyspnoea, stridor and open-mouth breathing after exercise. Laryngoscopy, tracheoscopy, bronchoscopy and retroflexed nasopharyngoscopy were performed, and identified a multilobulated intraluminal mass within the trachea. Brush cytology was performed on the mass but was inconclusive in providing a definitive diagnosis. A CT scan of the neck failed to identify an obvious intraluminal mass and was negative to contrast uptake. Surgery was performed and seven rings of the trachea were removed to enable the complete excision of the mass. Histopathology of the excised mass was consistent with B cell lymphoma. After surgery, chemotherapy treatment was started. At the time of writing, 20 months since diagnosis, the cat remained clinically well, with no clinical signs or recurrence of macroscopic disease on endoscopic evaluation. Relevance and novel information: Upper airway endoscopy was considered to be an essential diagnostic tool in this case presenting with signs of upper respiratory dyspnoea. Moreover, combined surgery and chemotherapy were considered effective treatments and positively affected the long-term prognosis of this patient. PMID- 29204290 TI - Meningeal carcinomatosis and spinal cord infiltration caused by a locally invasive pulmonary adenocarcinoma in a cat. AB - Case summary: A 12-year-old domestic shorthair cat was presented with acute non painful hindlimb proprioceptive ataxia localising to T3-L3 spinal cord segments. MRI revealed paravertebral muscular hyperintensity on T2-weighted images at the level of T7-T8 vertebrae. The cat improved on conservative management but deteriorated 3 months later. Repeated MRI showed meningeal enhancement at the same level and hyperintensity of the paravertebral musculature extending to the right thoracic wall and pleural space on short tau inversion recovery images. Thoracic CT showed mineralised lesions of the right lung, restricted pleural effusion and expansile bone lesions affecting multiple ribs. The cat had been treated for pyothorax 5 years earlier but manifested no current respiratory signs. Cerebrospinal fluid (CSF) examination showed lymphocytic pleocytosis but no neoplastic cells. Biopsy of the affected muscles and cytology of the lung and pleural lesions suggested a malignant epithelial cell tumour. Post-mortem examination confirmed a pulmonary adenocarcinoma locally infiltrating the thoracic wall, T7-T8 vertebrae and the spinal cord white matter. Meningeal carcinomatosis was detected with neoplastic cells invading the ventral median fissure of the spinal cord. No metastases were observed in other organs, indicating that neoplastic cells reached the spinal cord by direct extension. Relevance and novel information: Spinal meningeal carcinomatosis has not been reported in dogs or cats with extraneural tumours but is a well-recognised condition in humans. A metastatic cause of meningeal enhancement should be considered in patients with neurological signs of unknown origin. Imaging findings and CSF results can be non-specific. PMID- 29204291 TI - Antibody response against HERV-W env surface peptides differentiates multiple sclerosis and neuromyelitis optica spectrum disorder. AB - Background: A specific humoral immune response against HERV-W envelope surface (env-su) glycoprotein antigens has been reported in serum of patients with multiple sclerosis (MS). However, it has not been evaluated to date in patients with neuromyelitis optica spectrum disorder (NMOSD). Objective: The objective of this paper is to investigate whether antibody (Ab) response against HERV-W env-su antigenic peptides differs between NMOSD and MS. Methods: Serum samples were collected from 36 patients with NMOSD, 36 patients with MS and 36 healthy control individuals (HCs). An indirect ELISA was set up to detect specific Abs against HERV-W env-su peptides. Results: Our data showed that two antigenic peptides, particularly HERV-Wenv93-108 and HERV-Wenv248-262, were statistically significantly present only in serum of MS compared to NMOSD and HCs. Thus, the specific humoral immune response against HERV-W env-su glycoprotein antigens found in MS is widely missing in NMOSD. Conclusion: Increased circulating serum levels of these HERV-W Abs may be suitable as additional biomarkers to better differentiate MS from NMOSD. PMID- 29204292 TI - Serum Neurofilament Light Chain in NMOSD and Related Disorders: Comparison According to Aquaporin-4 and Myelin Oligodendrocyte Glycoprotein Antibodies Status. AB - Background: Neurofilament light chain (NF-L) levels reflect axonal damage in different conditions, including demyelinating disorders. Objectives: We aimed to compare serum NF-L levels in patients with aquaporin-4 antibodies (AQP4-Ab), myelin oligodendrocyte antibodies (MOG-Ab) and seronegative cases with neuromyelitis optica spectrum disorders and related disorders. Methods: We analysed AQP4-Ab and MOG-Ab with cell-based assay and NF-L with ultrasensitive electrochemiluminescence immunoassay. Results: Median NF-L levels were increased in 25 AQP4-Ab-positive patients (59 pg/ml) as compared with 22 MOG-Ab-positive cases (25 pg/ml), 52 seronegative patients (18 pg/ml), 25 multiple sclerosis patients (12 pg/ml) and 14 healthy controls (12 pg/ml). Conclusions: Increased serum levels of NF-L in patients with AQP4-Ab or MOG-Ab might reflect an ongoing axonal damage and a more malignant disease course. PMID- 29204294 TI - Corrigendum to "Plant MicroRNA Prediction by Supervised Machine Learning Using C5.0 Decision Trees". AB - [This corrects the article DOI: 10.1155/2012/652979.]. PMID- 29204293 TI - Validity, reliability and feasibility of commercially available activity trackers in physical therapy for people with a chronic disease: a study protocol of a mixed methods research. AB - Background: For older people and people with a chronic disease, physical activity provides health benefits. Patients and healthcare professionals can use commercially available activity trackers to objectively monitor (alterations in) activity levels and patterns and to support physical activity. However, insight in the validity, reliability, and feasibility of these trackers in people with a chronic disease is needed. In this article, a study protocol is described in which the validity, reliability (part A), and feasibility from a patient and therapist's point of view (part B) of commercially available activity trackers in daily life and health care is investigated. Methods: In part A, a quantitative cross-sectional study, an activity protocol that simulates everyday life activities will be used to determine the validity and reliability of nine commercially available activity trackers. Video recordings will act as the gold standard. In part B, a qualitative participatory action research study will be performed to gain insight in the use of activity trackers in peoples' daily life and therapy settings. Objective feasibility of the activity trackers will be measured with questionnaires, and subjective feasibility (experiences) will be explored in a community of practice. Physical therapists (n = 8) will regularly meet during 6 months to learn from each other regarding the actual use of activity trackers in therapy. Therapists and patients (n = 48) will decide together which tracker will be used in therapy and for which purpose (e.g., monitoring, goal setting). Data from the therapist' and patients' experiences will be collected by interviews (individual and focus groups) and analyzed by a directed content analysis. At the time of submission, selection of activity trackers, development of the activity protocol, and the ethical approval process are finished. Data collection and data processing are ongoing. Discussion: The relevance of the study as well as the advantages and disadvantages of several aspects of the chosen design are discussed. The results acquired from both study parts can be used to create decision aids that may assist therapists and people with a chronic disease in choosing a suitable activity tracker, and to facilitate use of these activity trackers in health care settings. Trial registration: Ethical approval has been obtained from two medical-ethical committees (nr. 15-N 109, 15-N-48 and MEC-15-07). PMID- 29204295 TI - Associations of Mitochondrial Fatty Acid Oxidation with Body Fat in Premenopausal Women. AB - Higher in vivo fatty acid (FA) oxidation rates have been reported in obese individuals compared to lean counterparts; however whether this reflects a shift in substrate-specific oxidative capacity at the level of the skeletal muscle mitochondria has not been examined. The purpose of this study was to test the hypothesis that in situ measures of skeletal muscle mitochondria FA oxidation would be positively associated with total body fat. Participants were 38 premenopausal women (BMI = 26.5 +/- 4.3 kg/m2). Total and regional fat were assessed by dual-energy X-ray absorptiometry (DXA). Mitochondrial FA oxidation was assessed in permeabilized myofibers using high-resolution respirometry and a palmitoyl carnitine substrate. We found positive associations of total fat mass with State 3 (ADP-stimulated respiration) (r = 0.379, p < 0.05) and the respiratory control ratio (RCR, measure of mitochondrial coupling) (r = 0.348, p < 0.05). When participants were dichotomized by high or low body fat percent, participants with high total body fat displayed a higher RCR compared to those with low body fat (p < 0.05). There were no associations between any measure of regional fat and mitochondrial FA oxidation independent of total fat mass. In conclusion, greater FA oxidation in obesity may reflect molecular processes that enhance FA oxidation capacity at the mitochondrial level. PMID- 29204296 TI - Quality of Life of People Living with HIV/AIDS in the Ho Municipality, Ghana: A Cross-Sectional Study. AB - Quality of life (QoL) is an important component in the evaluation of the wellbeing of people living with HIV/AIDS (PLHIV). This study was aimed at evaluating the QoL of PLHIV attending the antiretroviral clinics in the Ho municipality. A cross-sectional study was conducted from January 2017 to April 2017 involving 158 purposively selected HIV-positive patients who were attending the antiretroviral clinics both in the Volta Regional Hospital and Ho Municipal Hospital. An Interviewer administered standard questionnaire (WHOQOL-HIV Bref) was used to collect information on sociodemography, medical history, and the quality of life (QoL) of the respondents. Among these 158 HIV-positive respondents, 126 (79.75) and 14 (8.86) presented with excellent and good overall QoL, respectively, whilst 18 (11.39) had their life negatively affected by HIV/AIDS. Religious/personal beliefs (19.62%) were the most affected QoL component, followed by the physical (15.82%) and level of independence (15.19%) domains. Patients' occupation, perception of health, sexual activity, and state of the disease were associated with poor overall QoL. In general, being an HIV infected man, symptomatic patient, not being sexually active, or being ART naive was also associated with poorer QoL in several HIV/AIDS QoL domains. PMID- 29204297 TI - Which Environmental Factor Is Correlated with Long-Term Multiple Sclerosis Incidence Trends: Ultraviolet B Radiation or Geomagnetic Disturbances? AB - Background: Insufficient received ultraviolet B radiation (UV) is regarded as the main environmental risk factor (RF) for MS in vitamin D deficiency hypothesis. Nevertheless, geomagnetic disturbance (GMD) has also been proposed as a potential trigger for MS in GMD hypothesis. The aim of this study was to investigate which of these mentioned RF is correlated with long-term ultradecadal MS incidence. Methods: After a systematic search, long-term incidence reports of the United Kingdom (UK), Denmark, Tayside County, Nordland County, the Orkney, and Shetland Islands were selected for this retrospective time-series study. Possible lead-lag relationships between MS incidence, GMD, and UV were evaluated by cross correlation analysis. Results: Significant positive correlations between GMD and MS incidence were seen in Tayside County (at lag of 2 years: rS = 0.38), Denmark (peak correlation at lag of 2 years: rS = 0.53), and UK (at lag of 1 year: rS = 0.50). We found a positive correlation between received UV and MS incidences in the Nordland at lag of 1 year (rS = 0.49). Conclusion: This study found significant positive correlations between alterations in GMD with alterations in long-term MS incidence in three out of six studied locations and supports the GMD hypothesis. The observed significant correlation between MS and UV is positive; hence it is not supportive for UV related vitamin D deficiency hypothesis. PMID- 29204298 TI - Treadmill Exercise Improves Motor Dysfunction and Hyperactivity of the Corticostriatal Glutamatergic Pathway in Rats with 6-OHDA-Induced Parkinson's Disease. AB - Hyperactivity in the corticostriatal glutamatergic pathway (CGP) induces basal ganglia dysfunction, contributing to parkinsonian syndrome (PS). Physical exercise can improve PS. However, the effect of exercise on the CGP, and whether this pathway is involved in the improvement of PS, remains unclear. Parkinson's disease (PD) was induced in rats by 6-hydroxydopamine injection into the right medial forebrain bundle. Motor function was assessed using the cylinder test. Striatal neuron (SN) spontaneous and evoked firing activity was recorded, and the expression levels of Cav1.3 and CaMKII in the striatum were measured after 4 weeks of treadmill exercise. The motor function in PD rats was improved by treadmill exercise. SN showed significantly enhanced excitability, and treadmill exercise reduced SN excitability in PD rats. In addition, firing activity was evoked in SNs by stimulation of the primary motor cortex, and SNs exhibited significantly decreased stimulus threshold, increased firing rates, and reduced latency. The expression of Cav1.3 and p-CaMKII (Thr286) in the striatum were enhanced in PD rats. However, these effects were reversed by treadmill exercise. These findings suggest that treadmill exercise inhibits CGP hyperactivity in PD rats, which may be related to improvement of PS. PMID- 29204299 TI - Diabetes Mellitus Secondary to Acute Pancreatitis in a Child with Wolf-Hirschhorn Syndrome. AB - Wolf-Hirschhorn Syndrome (WHS) is a rare genetic disease caused by deletion in the short arm of chromosome 4. It is characterized by typical fascial features and a varying degree of intellectual disabilities and multiple systemic involvement. Epidemiological studies confirmed the association of acute pancreatitis with the development of diabetes. However, this association has not been reported in WHS. We report an 18-year-old girl with WHS who presented acutely with nonketotic Hyperglycemic Hyperosmolar Status (HHS) in association with severe acute pancreatitis. Her presentation was preceded by febrile illness with preauricular abscess. She was treated with fluids and insulin infusion and remained on insulin 18 months after presentation. Her parents are cousins and the mother was diagnosed with type 2 diabetes. She had negative autoantibodies and no signs of insulin resistance and her monogenic diabetes genetic testing was negative. Microarray study using WHS probe confirmed deletion of 4p chromosome. Acute pancreatitis is uncommon in children and development of diabetes following pancreatitis has not been reported in WHS. HHS is considerably less frequent than diabetes ketoacidosis in children. We highlight the complex presentation with HHS and acute pancreatitis leading to diabetes that required long term of insulin treatment. PMID- 29204300 TI - Yogi Detox Tea: A Potential Cause of Acute Liver Failure. AB - We present a case of acute fulminant liver failure from a liver detoxification tea. We present a 60-year-old female with weakness, lethargy, scleral icterus, jaundice, and worsening mental status. She drank herbal tea three times a day for 14 days prior to symptom development. Liver tests were elevated. Remaining laboratory tests and imaging were negative for other etiologies. An ultrasound guided liver biopsy showed submassive necrosis. A literature search on the ingredients shows six ingredients as having hepatotoxic effects and remaining ingredients as having very sparse hepatoprotective data. Healthcare professionals should discuss herbal medication and tea use and report adverse effects. PMID- 29204301 TI - Human Infection with Fusobacterium necrophorum without Jugular Venous Thrombosis: A Varied Presentation of Lemierre's Syndrome. AB - Lemierre's syndrome is also known as postangina septicemia, which is commonly caused by Fusobacterium necrophorum also known as Necrobacillus and also by other microorganisms like Staphylococcus, Streptococcus, Peptostreptococcus, and Bacteroides. Though the disease starts as an upper respiratory tract infection, it may spread and cause thrombophlebitis of the internal jugular vein. It may present itself through cranial nerve palsy or sepsis involving distant organs like the lungs or bones. It is also known as forgotten disease because of its rarity. Fusobacterium necrophorum usually causes infection in animals and rarely affects humans. We hereby present a case of Necrobacillus infection which did not cause any thrombophlebitis but resulted in severe pneumonia and acute kidney injury, leading to respiratory failure and requiring mechanical ventilation. PMID- 29204302 TI - Parainfluenza 3 Respiratory Infection Associated with Pericardial Effusion in a Very Low Birthweight Infant. AB - Parainfluenza 3 virus is a frequent cause of respiratory infections in the pediatric population although it is uncommonly diagnosed in neonates, being usually reported as neonatal intensive care unit microepidemics. We report a case of parainfluenza 3 respiratory infection associated with pericardial effusion in a very low birthweight infant. PMID- 29204303 TI - Maxillary Sinus Kaposi Sarcoma: Case Report in an HIV-Negative Patient with Thymoma. AB - Introduction: Kaposi sarcoma is an angioproliferative disorder that requires infection with human herpesvirus 8 (HHV-8) for its development. The majority of cases are associated with HIV infection or other immunocompromising conditions. Thymomas are occasionally associated to cytopenia, which may alter the patients' immune responses. Methods: Case report using clinical records. Results: Case report of a 46-year-old male patient diagnosed with thymoma and myasthenia gravis. The patient was referred to an otolaryngology consultation with complaints of facial pain in the right malar region, interpreted as an acute sinusitis. Following examination, an expansive maxillary sinus mass was found, and endoscopic surgery was undertaken. After careful investigation, it was diagnosed as a Kaposi sarcoma. Conclusions: It is thought to be the first described case of a maxillary sinus Kaposi sarcoma in an HIV-negative patient. Thus, this entity has to be considered in the differential diagnosis of sinus masses, even in non-HIV patients. PMID- 29204304 TI - Langerhans Cell Histiocytosis: A Diagnostic Challenge in the Oral Cavity. AB - Background: Langerhans cell histiocytosis (LCH) is a rare disorder of the reticuloendothelial system with unknown etiology. This report aims to present a case of LCH with diffuse involvement of the oral cavity and to raise awareness of the distinguishing features of this diagnostically challenging entity. Case Report: A 26-year-old male patient presented with complaints of teeth mobility, intense pain, and difficulty in chewing. Intraoral and radiological examinations revealed generalized gingival hyperplasia and severe teeth mobility with widespread alveolar bone loss. Periodontal therapy was performed with no significant improvement. An incisional biopsy revealed Langerhans cells and positive reaction to S-100 and CD1, and the patient was diagnosed with LCH. The patient underwent systemic chemotherapy with vinca alkaloids and corticosteroids. Regression of gingival lesions, as well as significant decrease in mobility of the remaining teeth and severity of pain, was achieved during 12 months of follow up. Conclusion: The rarity and variable system involvement of LCH necessitate a multidisciplinary approach be carried out for accurate diagnosis, effective treatment, and an uneventful follow-up. Awareness of oral manifestations of LCH may aid clinicians greatly in reducing morbidity and mortality associated with this debilitating condition. PMID- 29204306 TI - Facial palsy after embolization of dural arteriovenous fistula: A case report and literature review. AB - Background: Dural arteriovenous fistulas (DAVF) are unusual intracranial vascular malformations consisting of anomalous connections between meningeal arteries and dural sinuses or the veins that pass through them. They have variable clinical presentation and prognosis, which depend on their location and venous hemodynamics. Treatment is based on the closure of the abnormal connections, which is usually conducted via arterial and/or transvenous endovascular techniques. Case Description: We present a male patient who complained of headaches and left-sided pulsatile tinnitus due to DAVF from the external carotid artery branches draining directly into the ipsilateral sigmoid sinus. Embolization with Onyx(r) was successful, obtaining angiographic occlusion and symptom remission. However, on postoperative day 4, the patient presented with left facial palsy and spontaneous regression. Conclusion: Although embolization is an effective and safe procedure, complications may occur. Reflux of the embolic agent to the vasa nervorum of the cranial nerve may lead to ischemic neuropathy. Here, we reported a case of embolized DAVF presenting with a postoperative peripheral facial palsy where the two embolized pedicles were branches of the middle meningeal and occipital arteries involved in the vascularization of the extratemporal segment of the facial nerve. We discuss the etiopathogenic, anatomical, and pathophysiological aspects of this complication. PMID- 29204305 TI - Ethanol-Induced White Matter Atrophy Is Associated with Impaired Expression of Aspartyl-Asparaginyl-beta-Hydroxylase (ASPH) and Notch Signaling in an Experimental Rat Model. AB - Alcohol-induced white matter (WM) degeneration is linked to cognitive-motor deficits and impairs insulin/insulin-like growth factor (IGF) and Notch networks regulating oligodendrocyte function. Ethanol downregulates Aspartyl-Asparaginyl beta-Hydroxylase (ASPH) which drives Notch. These experiments determined if alcohol-related WM degeneration was linked to inhibition of ASPH and Notch. Adult Long Evans rats were fed for 3, 6 or 8 weeks with liquid diets containing 26% ethanol (caloric) and in the last two weeks prior to each endpoint they were binged with 2 g/kg ethanol, 3*/week. Controls were studied in parallel. Histological sections of the frontal lobe and cerebellar vermis were used for image analysis. Frontal WM proteins were used for Western blotting and duplex ELISAs. The ethanol exposures caused progressive reductions in frontal and cerebellar WM. Ethanol-mediated frontal WM atrophy was associated with reduced expression of ASPH, Jagged 1, HES-1, and HIF-1alpha. These findings link ethanol induced WM atrophy to inhibition of ASPH expression and signaling through Notch networks, including HIF-1alpha. PMID- 29204307 TI - Treatment of intracerebellar haemorrhage: Poor outcome and high long-term mortality. AB - Background: Intracerebellar haemorrhage constitutes around 10% of all spontaneous, non-aneurysmal intracerebral haemorrhages (ICHs) and often carries a grim prognosis. In symptomatic patients, surgical evacuation is usually regarded the standard treatment. Our objective was to compare the in-hospital mortality and functional outcome at hospital discharge in either medically or surgically treated patients, and the impact of either treatment on long-term mortality after a cerebellar ICH. Methods: An observational, retrospective, single-centre consecutive series of 114 patients with cerebellar ICH. We assessed the effect of different demographic factors on functional outcome and in-hospital mortality using logistic regression. We also divided the patients in medical and surgical treatment groups based on how they had been treated and compared the clinical and radiological parameters, in-hospital, and long-term mortality in the different groups. Results: In our series, 38 patients (33.3%) underwent haematoma evacuation and 76 (66.7%) received medical treatment. Glasgow coma scale <8, blocked quadrigeminal cistern, and severe hydrocephalus were associated with in hospital death or poor functional outcome at discharge (modified Rankin scale 4 6). Surgically treated patients were younger, had larger haematomas both in volume and diameter, were in a worse clinical condition, and suffered more from hydrocephalus and brainstem compression. There were no statistically significant differences in in-hospital or long-term mortality. However, the surgically treated patients remained in a poor clinical condition. Conclusions: Surgical treatment of cerebellar ICH can be life-saving but often leads to a poor functional outcome. New studies are needed on long-term functional outcome after a cerebellar ICH. PMID- 29204308 TI - Aplasia cutis congenita: Two case reports and discussion of the literature. AB - Background: Aplasia cutis congenita (ACC) is a part of a heterogeneous group of conditions characterized by the congenital absence of epidermis, dermis, and in some cases, subcutaneous tissues or bone usually involving the scalp vertex. There is an estimated incidence of 3 in 10,000 births resulting in a total number of 500 reported cases to date. The lesions may occur on every body surface although localized scalp lesions form the most frequent pattern (70%). Complete aplasia involving bone defects occurs in approximately 20% of cases. ACC can occur as an isolated defect or can be associated with a number of other congenital anomalies such as limb anomalies or embryologic malformations. In patients with large scalp and skull defects, there is increased risk of infection and bleeding along with increased mortality and therefore prompt and effective management is advised. Case Description: We describe two cases of ACC, involving a 4 * 3 cm defect managed conservatively and a larger 10 * 5 cm defect managed surgically with the use of a temporo-occipital scalp flap. Both cases had an excellent outcome. Conclusions: Multiple treatment regimens exist for ACC, but there is no consensus on treatment strategies. Conservative treatment has been described and advocated, but many authors have emphasized the disadvantages of this treatment modality. Decision between conservative and surgical management must be individualized according to lesion size and location. PMID- 29204310 TI - Laser-emission imaging of nuclear biomarkers for high-contrast cancer screening and immunodiagnosis. AB - Detection of nuclear biomarkers such as nucleic acids and nuclear proteins is critical for early-stage cancer diagnosis and prognosis. Conventional methods relying on morphological assessment of cell nuclei in histopathology slides may be subjective, whereas colorimetric immunohistochemical and fluorescence-based imaging are limited by strong light absorption, broad-emission bands and low contrast. Here, we describe the development and use of a scanning laser-emission based microscope that maps lasing emissions from nuclear biomarkers in human tissues. 41 tissue samples from 35 patients labelled with site-specific and biomarker-specific antibody-conjugated dyes were sandwiched in a Fabry-Perot microcavity while an excitation laser beam built a laser-emission image. We observed multiple sub-cellular lasing emissions from cancer cell nuclei, with a threshold of tens of MUJ/mm2, sub-micron resolution (<700 nm), and a lasing band in the few-nanometre range. Different lasing thresholds of nuclei in cancer and normal tissues enabled the identification and multiplexed detection of nuclear proteomic biomarkers, with a high sensitivity for early-stage cancer diagnosis. Laser-emission-based cancer screening and immunodiagnosis might find use in precision medicine and facilitate research in cell biology. PMID- 29204311 TI - A polarization-insensitive plasmonic photoconductive terahertz emitter. AB - We present a polarization-insensitive plasmonic photoconductive terahertz emitter that uses a two-dimensional array of nanoscale cross-shaped apertures as the plasmonic contact electrodes. The geometry of the cross-shaped apertures is set to maximize optical pump absorption in close proximity to the contact electrodes. The two-dimensional symmetry of the cross-shaped apertures offers a polarization insensitive interaction between the plasmonic contact electrodes and optical pump beam. We experimentally demonstrate a polarization-insensitive terahertz radiation from the presented emitter in response to a femtosecond optical pump beam and similar terahertz radiation powers compared to previously demonstrated polarization-sensitive photoconductive emitters with plasmonic contact electrode gratings at the optimum optical pump polarization. PMID- 29204309 TI - Laser application in neurosurgery. AB - Background: Technological innovations based on light amplification created by stimulated emission of radiation (LASER) have been used extensively in the field of neurosurgery. Methods: We reviewed the medical literature to identify current laser-based technological applications for surgical, diagnostic, and therapeutic uses in neurosurgery. Results: Surgical applications of laser technology reported in the literature include percutaneous laser ablation of brain tissue, the use of surgical lasers in open and endoscopic cranial surgeries, laser-assisted microanastomosis, and photodynamic therapy for brain tumors. Laser systems are also used for intervertebral disk degeneration treatment, therapeutic applications of laser energy for transcranial laser therapy and nerve regeneration, and novel diagnostic laser-based technologies (e.g., laser scanning endomicroscopy and Raman spectroscopy) that are used for interrogation of pathological tissue. Conclusion: Despite controversy over the use of lasers for treatment, the surgical application of lasers for minimally invasive procedures shows promising results and merits further investigation. Laser-based microscopy imaging devices have been developed and miniaturized to be used intraoperatively for rapid pathological diagnosis. The multitude of ways that lasers are used in neurosurgery and in related neuroclinical situations is a testament to the technological advancements and practicality of laser science. PMID- 29204313 TI - Dystonic Head Tremor and the Coexistence of Headache. AB - Background: Head tremor may be observed in the presence of cervical dystonia and sometimes coexists with headache. We wished to investigate the presence of headache in dystonic head tremor. Methods: We studied the files of 19 patients from our outpatient clinic (1997-2017) with dystonic head tremor and assessed the co-occurrence of headache. We also performed a literature search of the topic. Results: Cervicogenic headache was present in nearly 37% of patients with dystonic head tremor. More than 85% of our patients presented with a "no-no" head tremor. Discussion: Headache is common in dystonic head tremor. Cervicogenic headache seems to be more frequent in patients with dystonic head tremor than in the general population. Future studies should compare the presence of cervicogenic headache in essential head tremor patients with that in patients suffering from dystonic head tremor. PMID- 29204312 TI - Insights into Pathophysiology from Medication-induced Tremor. AB - Background: Medication-induced tremor (MIT) is common in clinical practice and there are many medications/drugs that can cause or exacerbate tremors. MIT typically occurs by enhancement of physiological tremor (EPT), but not all drugs cause tremor in this way. In this manuscript, we review how some common examples of MIT have informed us about the pathophysiology of tremor. Methods: We performed a PubMed literature search for published articles dealing with MIT and attempted to identify articles that especially dealt with the medication's mechanism of inducing tremor. Results: There is a paucity of literature that deals with the mechanisms of MIT, with most manuscripts only describing the frequency and clinical settings where MIT is observed. That being said, MIT emanates from multiple mechanisms depending on the drug and it often takes an individualized approach to manage MIT in a given patient. Discussion: MIT has provided some insight into the mechanisms of tremors we see in clinical practice. The exact mechanism of MIT is unknown for most medications that cause tremor, but it is assumed that in most cases physiological tremor is influenced by these medications. Some medications (epinephrine) that cause EPT likely lead to tremor by peripheral mechanisms in the muscle (beta-adrenergic agonists), but others may influence the central component (amitriptyline). Other drugs can cause tremor, presumably by blockade of dopamine receptors in the basal ganglia (dopamine blocking agents), by secondary effects such as causing hyperthyroidism (amiodarone), or by other mechanisms. We will attempt to discuss what is known and unknown about the pathophysiology of the most common MITs. PMID- 29204314 TI - The Effect of Botulinum Toxin on Network Connectivity in Cervical Dystonia: Lessons from Magnetoencephalography. AB - Background: Pharmacological management of cervical dystonia (CD) is considered to be symptomatic in effect, rather than targeting the underlying pathophysiology of the disease. Magnetoencephalography (MEG), a direct measure of neuronal activity, while accepted as a modality for pre-surgical mapping in epilepsy, has never been used to explore the effect of pharmacotherapy in movement disorders. Methods: Resting state MEG data were collected from patients with CD, pre- and post botulinum toxin injections. All of these patients exhibited good clinical benefit with botulinum toxin. Resting state MEG data from four age- and gender-matched healthy controls with no neurological disorders were also collected. Results: Our exploratory study reveals a difference in coherence between controls and patients in the following regions: fronto-striatal, occipito-striatal, parieto-striatal, and striato-temporal networks. In these regions there is an increase after botulinum toxin. Specifically, increased coherence in the left putamen and right superior parietal gyrus was noticeable. Both intrahemispheric and interhemispheric networks were affected. Discussion: This is the first attempt to directly assess changes in functional connectivity with pharmacotherapy using MEG. Botulinum toxin might affect sensorimotor integration, leading to clinical benefit. The presence of increased interhemispheric coherence and intrahemispheric coherence points to the importance of global and local networks in the pathophysiology of dystonia. PMID- 29204315 TI - Pathogenesis of Primary Orthostatic Tremor: Current Concepts and Controversies. AB - Background: Orthostatic tremor (OT), a rare and complex movement disorder, is characterized by rapid tremor of both legs and the trunk while standing. These disappear while the patient is either lying down or walking. OT may be idiopathic/primary or it may coexist with several neurological conditions (secondary OT/OT plus). Primary OT remains an enigmatic movement disorder and its pathogenesis and neural correlates are not fully understood. Methods: A PubMed search was conducted in July 2017 to identify articles for this review. Results: Structural and functional neuroimaging studies of OT suggest possible alterations in the cerebello-thalamo-cortical network. As with essential tremor, the presence of a central oscillator has been postulated for OT; however, the location of the oscillator within the tremor network remains elusive. Studies have speculated a possible dopaminergic deficit in the pathogenesis of primary OT; however, the evidence in favor of this concept is not particularly robust. There is also limited evidence favoring the concept that primary OT is a neurodegenerative disorder, as a magnetic resonance spectroscopic imaging study revealed significant reduction in cerebral and cerebellar N-acetyl aspartate (NAA) levels, a marker of neuronal compromise or loss. Discussion: Based on the above, it is clear that the pathogenesis of primary OT still remains unclear. However, the available evidence most strongly favors the existence of a central oscillatory network, and involvement of the cerebellum and its connections. PMID- 29204316 TI - Acute Dystonic Reaction Following General Anesthetic Agent Use. AB - Background: A 36-year-old Thai female who underwent a thymectomy under general anesthesia developed acute abnormal movements in the craniofacial region immediately after awakening with preserved consciousness. Phenomenology: Intermittent abnormal movements included oculogyric crisis; tongue protrusion; blepharospasm; and oro-mandibular dystonia consisting of risus sardonicus, jaw opening, and right torticollis. Educational value: An acute dystonic reaction can be a complication of either single or combined general anesthetic agents. PMID- 29204317 TI - BGDMdocker: a Docker workflow for data mining and visualization of bacterial pan genomes and biosynthetic gene clusters. AB - Recently, Docker technology has received increasing attention throughout the bioinformatics community. However, its implementation has not yet been mastered by most biologists; accordingly, its application in biological research has been limited. In order to popularize this technology in the field of bioinformatics and to promote the use of publicly available bioinformatics tools, such as Dockerfiles and Images from communities, government sources, and private owners in the Docker Hub Registry and other Docker-based resources, we introduce here a complete and accurate bioinformatics workflow based on Docker. The present workflow enables analysis and visualization of pan-genomes and biosynthetic gene clusters of bacteria. This provides a new solution for bioinformatics mining of big data from various publicly available biological databases. The present step by-step guide creates an integrative workflow through a Dockerfile to allow researchers to build their own Image and run Container easily. PMID- 29204318 TI - Kullback Leibler divergence in complete bacterial and phage genomes. AB - The amino acid content of the proteins encoded by a genome may predict the coding potential of that genome and may reflect lifestyle restrictions of the organism. Here, we calculated the Kullback-Leibler divergence from the mean amino acid content as a metric to compare the amino acid composition for a large set of bacterial and phage genome sequences. Using these data, we demonstrate that (i) there is a significant difference between amino acid utilization in different phylogenetic groups of bacteria and phages; (ii) many of the bacteria with the most skewed amino acid utilization profiles, or the bacteria that host phages with the most skewed profiles, are endosymbionts or parasites; (iii) the skews in the distribution are not restricted to certain metabolic processes but are common across all bacterial genomic subsystems; (iv) amino acid utilization profiles strongly correlate with GC content in bacterial genomes but very weakly correlate with the G+C percent in phage genomes. These findings might be exploited to distinguish coding from non-coding sequences in large data sets, such as metagenomic sequence libraries, to help in prioritizing subsequent analyses. PMID- 29204319 TI - Reference standards to assess physical fitness of children and adolescents of Brazil: an approach to the students of the Lake Itaipu region-Brazil. AB - Background: The importance of assessing body fat variables and physical fitness tests plays an important role in monitoring the level of activity and physical fitness of the general population. The objective of this study was to develop reference norms to evaluate the physical fitness aptitudes of children and adolescents based on age and sex from the lake region of Itaipu, Brazil. Methods: A descriptive cross-sectional study was carried out with 5,962 students (2,938 males and 3,024 females) with an age range of 6.0 and 17.9 years. Weight (kg), height (cm), and triceps (mm), and sub-scapular skinfolds (mm) were measured. Body Mass Index (BMI kg/m2) was calculated. To evaluate the four physical fitness aptitude dimensions (morphological, muscular strength, flexibility, and cardio respiratory), the following physical education tests were given to the students: sit-and-reach (cm), push-ups (rep), standing long jump (cm), and 20-m shuttle run (m). Results and Discussion: Females showed greater flexibility in the sit-and reach test and greater body fat than the males. No differences were found in BMI. Percentiles were created for the four components for the physical fitness aptitudes, BMI, and skinfolds by using the LMS method based on age and sex. The proposed reference values may be used for detecting talents and promoting health in children and adolescents. PMID- 29204320 TI - Hermit crab response to a visual threat is sensitive to looming cues. AB - Prior work in our lab has shown that an expanding image on a computer screen elicits a hiding response in the Caribbean terrestrial hermit crab (Coenobita clypeatus). We conducted two experiments to identify what properties of the expanding stimulus contribute to its effectiveness as a visual threat. First we found that an expanding geometric star evoked a strong hiding response while a contracting or full-sized stationary star did not. A second experiment revealed that the more quickly the stimulus expanded the shorter the latency to hide. These findings suggest that the anti-predator response to looming stimulus relies heavily on visual cues relating to the manner of approach. The simulated visual threat on a computer screen captures key features of a real looming object that elicits hiding behavior in crabs in the wild. PMID- 29204321 TI - Ordinary kriging vs inverse distance weighting: spatial interpolation of the sessile community of Madagascar reef, Gulf of Mexico. AB - Information about the distribution and abundance of the habitat-forming sessile organisms in marine ecosystems is of great importance for conservation and natural resource managers. Spatial interpolation methodologies can be useful to generate this information from in situ sampling points, especially in circumstances where remote sensing methodologies cannot be applied due to small scale spatial variability of the natural communities and low light penetration in the water column. Interpolation methods are widely used in environmental sciences; however, published studies using these methodologies in coral reef science are scarce. We compared the accuracy of the two most commonly used interpolation methods in all disciplines, inverse distance weighting (IDW) and ordinary kriging (OK), to predict the distribution and abundance of hard corals, octocorals, macroalgae, sponges and zoantharians and identify hotspots of these habitat-forming organisms using data sampled at three different spatial scales (5, 10 and 20 m) in Madagascar reef, Gulf of Mexico. The deeper sandy environments of the leeward and windward regions of Madagascar reef were dominated by macroalgae and seconded by octocorals. However, the shallow rocky environments of the reef crest had the highest richness of habitat-forming groups of organisms; here, we registered high abundances of octocorals and macroalgae, with sponges, Millepora alcicornis and zoantharians dominating in some patches, creating high levels of habitat heterogeneity. IDW and OK generated similar maps of distribution for all the taxa; however, cross-validation tests showed that IDW outperformed OK in the prediction of their abundances. When the sampling distance was at 20 m, both interpolation techniques performed poorly, but as the sampling was done at shorter distances prediction accuracies increased, especially for IDW. OK had higher mean prediction errors and failed to correctly interpolate the highest abundance values measured in situ, except for macroalgae, whereas IDW had lower mean prediction errors and high correlations between predicted and measured values in all cases when sampling was every 5 m. The accurate spatial interpolations created using IDW allowed us to see the spatial variability of each taxa at a biological and spatial resolution that remote sensing would not have been able to produce. Our study sets the basis for further research projects and conservation management in Madagascar reef and encourages similar studies in the region and other parts of the world where remote sensing technologies are not suitable for use. PMID- 29204322 TI - Diagnosis value of aberrantly expressed microRNA profiles in lung squamous cell carcinoma: a study based on the Cancer Genome Atlas. AB - Background: Lung cancer is considered as one of the most frequent and deadly cancers with high mortality all around the world. It is critical to find new biomarkers for early diagnosis of lung cancer, especially lung squamous cell carcinoma (LUSC). The Cancer Genome Atlas (TCGA) is a database which provides both cancer and clinical information. This study is a comprehensive analysis of a novel diagnostic biomarker for LUSC, based on TCGA. Methods and Results: The present study investigated LUSC-specific key microRNAs (miRNAs) from large-scale samples in TCGA. According to exclusion criteria and inclusion criteria, the expression profiles of miRNAs with related clinical information of 332 LUSC patients were obtained. Most aberrantly expressed miRNAs were identified between tumor and normal samples. Forty-two LUSC-specific intersection miRNAs (fold change >2, p < 0.05) were obtained by an integrative computational method, among them six miRNAs were found to be aberrantly expressed concerning characteristics of patients (gender, lymphatic metastasis, patient outcome assessment) through Student t-test. Five miRNAs correlated with overall survival (log-rank p < 0.05) were obtained through the univariate Cox proportional hazards regression model and Mantel-Haenszel test. Then, five miRNAs were randomly selected to validate the expression in 47 LUSC patient tissues using quantitative real-time polymerase chain reaction. The results showed that the test findings were consistent with the TCGA findings. Also, the diagnostic value of the specific key miRNAs was determined by areas under receiver operating characteristic curves. Finally, 577 interaction mRNAs as the targets of 42 LUSC-specific intersection miRNAs were selected for further bioinformatics analysis. Conclusion: This study indicates that this novel microRNA expression signature may be a useful biomarker of the diagnosis for LUSC patients, based on bioinformatics analysis. PMID- 29204323 TI - Ability to predict repetitions to momentary failure is not perfectly accurate, though improves with resistance training experience. AB - 'Repetitions in Reserve' (RIR) scales in resistance training (RT) are used to control effort but assume people accurately predict performance a priori (i.e. the number of possible repetitions to momentary failure (MF)). This study examined the ability of trainees with different experience levels to predict number of repetitions to MF. One hundred and forty-one participants underwent a full body RT session involving single sets to MF and were asked to predict the number of repetitions they could complete before reaching MF on each exercise. Participants underpredicted the number of repetitions they could perform to MF (Standard error of measurements [95% confidence intervals] for combined sample ranged between 2.64 [2.36-2.99] and 3.38 [3.02-3.83]). There was a tendency towards improved accuracy with greater experience. Ability to predict repetitions to MF is not perfectly accurate among most trainees though may improve with experience. Thus, RIR should be used cautiously in prescription of RT. Trainers and trainees should be aware of this as it may have implications for the attainment of training goals, particularly muscular hypertrophy. PMID- 29204324 TI - Examining publication bias-a simulation-based evaluation of statistical tests on publication bias. AB - Background: Publication bias is a form of scientific misconduct. It threatens the validity of research results and the credibility of science. Although several tests on publication bias exist, no in-depth evaluations are available that examine which test performs best for different research settings. Methods: Four tests on publication bias, Egger's test (FAT), p-uniform, the test of excess significance (TES), as well as the caliper test, were evaluated in a Monte Carlo simulation. Two different types of publication bias and its degree (0%, 50%, 100%) were simulated. The type of publication bias was defined either as file drawer, meaning the repeated analysis of new datasets, or p-hacking, meaning the inclusion of covariates in order to obtain a significant result. In addition, the underlying effect (beta = 0, 0.5, 1, 1.5), effect heterogeneity, the number of observations in the simulated primary studies (N = 100, 500), and the number of observations for the publication bias tests (K = 100, 1,000) were varied. Results: All tests evaluated were able to identify publication bias both in the file-drawer and p-hacking condition. The false positive rates were, with the exception of the 15%- and 20%-caliper test, unbiased. The FAT had the largest statistical power in the file-drawer conditions, whereas under p-hacking the TES was, except under effect heterogeneity, slightly better. The CTs were, however, inferior to the other tests under effect homogeneity and had a decent statistical power only in conditions with 1,000 primary studies. Discussion: The FAT is recommended as a test for publication bias in standard meta-analyses with no or only small effect heterogeneity. If two-sided publication bias is suspected as well as under p-hacking the TES is the first alternative to the FAT. The 5% caliper test is recommended under conditions of effect heterogeneity and a large number of primary studies, which may be found if publication bias is examined in a discipline-wide setting when primary studies cover different research problems. PMID- 29204325 TI - Acute ischemic preconditioning does not influence high-intensity intermittent exercise performance. AB - This study evaluated the acute effect of ischemic preconditioning (IPC) on a high intensity intermittent exercise performance and physiological indicators in amateur soccer players. Thirteen players (21.5 +/- 2 yrs) attended three trials separated by 3-5 days in a counterbalanced randomized cross-over design: IPC (4 * 5-min occlusion 220 mmHg/reperfusion 0 mmHg) in each thigh; SHAM (similar to the IPC protocol but "occlusion" at 20 mmHg) and control (seated during the same time of IPC). After 6-min of each trial (IPC, SHAM or control), the players performed the YoYo Intermittent Endurance Test level 2 (YoYoIE2). The distance covered in the YoYoIE2 (IPC 867 +/- 205 m; SHAM 873 +/- 212 m; control 921 +/- 206 m) was not different among trials (p = 0.10), furthermore, lactate concentration and rate of perceived exertion did not differ (P > 0.05) among protocols. There were also no significant differences in either mean heart rate (HR) or peak HR (p > 0.05) for both IPC and SHAM compared to control. Therefore, we conclude that acute IPC does not influence high-intensity intermittent exercise performance in amateur soccer players and that rate of perceived exertion, heart rate and lactate do not differ between the intervention IPC, SHAM and control. PMID- 29204326 TI - A tyrannosauroid metatarsus from the Merchantville Formation of Delaware increases the diversity of non-tyrannosaurid tyrannosauroids on Appalachia. AB - During the Late Cretaceous, the continent of North America was divided into two sections: Laramidia in the west and Appalachia in the east. Although the sediments of Appalachia recorded only a sparse fossil record of dinosaurs, the dinosaur faunas of this landmass were different in composition from those of Laramidia. Represented by at least two taxa (Appalachiosaurus montgomeriensis and Dryptosaurus aquilunguis), partial and fragmentary skeletons, and isolated bones, the non-tyrannosaurid tyrannosauroids of the landmass have attracted some attention. Unfortunately, these eastern tyrants are poorly known compared to their western contemporaries. Here, one specimen, the partial metatarsus of a tyrannosauroid from the Campanian Merchantville Formation of Delaware, is described in detail. The specimen can be distinguished from A. montgomeriensis and D. aquilunguis by several morphological features. As such, the specimen represents a potentially previously unrecognized taxon of tyrannosauroid from Appalachia, increasing the diversity of the clade on the landmass. Phylogenetic analysis and the morphology of the bones suggest the Merchantville specimen is a tyrannosauroid of "intermediate" grade, thus supporting the notion that Appalachia was a refugium for relict dinosaur clades. PMID- 29204327 TI - Automated Assessment of Dynamic Knee Valgus and Risk of Knee Injury During the Single Leg Squat. AB - Many clinical assessment protocols of the lower limb rely on the evaluation of functional movement tests such as the single leg squat (SLS), which are often assessed visually. Visual assessment is subjective and depends on the experience of the clinician. In this paper, an inertial measurement unit (IMU)-based method for automated assessment of squat quality is proposed to provide clinicians with a quantitative measure of SLS performance. A set of three IMUs was used to estimate the joint angles, velocities, and accelerations of the squatting leg. Statistical time domain features were generated from these measurements. The most informative features were used for classifier training. A data set of SLS performed by healthy participants was collected and labeled by three expert clinical raters using two different labeling criteria: "observed amount of knee valgus" and "overall risk of injury". The results showed that both flexion at the hip and knee, as well as hip and ankle internal rotation are discriminative features, and that participants with "poor" squats bend the hip and knee less than those with better squat performance. Furthermore, improved classification performance is achieved for females by training separate classifiers stratified by gender. Classification results showed excellent accuracy, 95.7 % for classifying squat quality as "poor" or "good" and 94.6% for differentiating between high and no risk of injury. PMID- 29204329 TI - Rare Aggressive Calvarial Osteoblastoma with Dural Invasion. AB - We report a rare case of an aggressive osteoblastoma (OB) involving the calvaria and infiltrating the dura, a finding that was not previously reported in the literature. A 50-year-old man presented with a progressive mass in the left frontoparietal skull with headaches and a six-month history of sudden mass growth. Computed tomography (CT) and magnetic resonance imaging (MRI) showed a large skull lesion with areas of hemorrhage, calcification, restricted diffusion, and enhancement. A left temporoparietal craniotomy with a complete resection of the tumor with grossly clean margins was performed. Follow-up at 60 months showed a stable clinical picture and no sign of local recurrence of the lesion on MRI. PMID- 29204330 TI - A Bias in the Evaluation of Bias Comparing Randomized Trials with Nonexperimental Studies. AB - In a recent BMJ article, the authors conducted a meta-analysis to compare estimated treatment effects from randomized trials with those derived from observational studies based on routinely collected data (RCD). They calculated a pooled relative odds ratio (ROR) of 1.31 (95% confidence interval [CI]: 1.03 1.65) and concluded that RCD studies systematically over-estimated protective effects. However, their meta-analysis inverted results for some clinical questions to force all estimates from RCD to be below 1. We evaluated the statistical properties of this pooled ROR, and found that the selective inversion rule employed in the original meta-analysis can positively bias the estimate of the ROR. We then repeated the random effects meta-analysis using a different inversion rule and found an estimated ROR of 0.98 (0.78-1.23), indicating the ROR is highly dependent on the direction of comparisons. As an alternative to the ROR, we calculated the observed proportion of clinical questions where the RCD and trial CIs overlap, as well as the expected proportion assuming no systematic difference between the studies. Out of 16 clinical questions, 50% CIs overlapped for 8 (50%; 25 to 75%) compared with an expected overlap of 60% assuming no systematic difference between RCD studies and trials. Thus, there was little evidence of a systematic difference in effect estimates between RCD and RCTs. Estimates of pooled RORs across distinct clinical questions are generally not interpretable and may be misleading. PMID- 29204328 TI - The Role of Affordable, Point-of-Care Technologies for Cancer Care in Low- and Middle-Income Countries: A Review and Commentary. AB - As the burden of non-communicable diseases such as cancer continues to rise in low- and middle-income countries (LMICs), it is essential to identify and invest in promising solutions for cancer control and treatment. Point-of-care technologies (POCTs) have played critical roles in curbing infectious disease epidemics in both high- and low-income settings, and their successes can serve as a model for transforming cancer care in LMICs, where access to traditional clinical resources is often limited. The versatility, cost-effectiveness, and simplicity of POCTs warrant attention for their potential to revolutionize cancer detection, diagnosis, and treatment. This paper reviews the landscape of affordable POCTs for cancer care in LMICs with a focus on imaging tools, in vitro diagnostics, and treatment technologies and aspires to encourage innovation and further investment in this space. PMID- 29204331 TI - Pharmacoepidemiology in the era of real-world evidence. PMID- 29204332 TI - Estimating Effects of Dynamic Treatment Strategies in Pharmacoepidemiologic Studies with Time-varying Confounding: A Primer. AB - Purpose of review: Pharmacoepidemiologists are often interested in estimating the effects of dynamic treatment strategies, where treatments are modified based on patients' evolving characteristics. For such problems, appropriate control of both baseline and time-varying confounders is critical. Conventional methods that control confounding by including time-varying treatments and confounders in an outcome regression model may not have a causal interpretation, even when all baseline and time-varying confounders are measured. This problem occurs when time varying confounders are, themselves, affected by past treatment. We review alternative analytic approaches that can produce valid inferences in the presence of such confounding. We focus on the parametric g-formula and inverse probability weighting of marginal structural models, two examples of Robins' g-methods. Recent findings: Unlike standard outcome regression methods, the parametric g formula and inverse probability weighting of marginal structural models can estimate the effects of dynamic treatment strategies and appropriately control for measured time-varying confounders affected by prior treatment. Few applications of g-methods exist in the pharmacoepidemiology literature, primarily due to the common use of administrative claims data, which typically lack detailed measurements of time-varying information, and the limited availability of or familiarity with tools to help perform the relatively complex analysis. These barriers may be overcome with the increasing availability of data sources containing more detailed time-varying information and more accessible learning tools and software. Summary: With appropriate data and study design, g-methods can improve our ability to make causal inferences on dynamic treatment strategies from observational data in pharmacoepidemiology. PMID- 29204333 TI - Development and application of two semi-automated tools for targeted medical product surveillance in a distributed data network. AB - Purpose of Review: An important component of the Food and Drug Administration's Sentinel Initiative is the active post-market risk identification and analysis (ARIA) system, which utilizes semi-automated, parameterized computer programs to implement propensity-score adjusted and self-controlled risk interval designs to conduct targeted surveillance of medical products in the Sentinel Distributed Database. In this manuscript, we review literature relevant to the development of these programs and describe their application within the Sentinel Initiative. Recent Findings: These quality-checked and publicly available tools have been successfully used to conduct rapid, replicable, and targeted safety analyses of several medical products. In addition to speed and reproducibility, use of semi automated tools allows investigators to focus on decisions regarding key methodological parameters. We also identified challenges associated with the use of these methods in distributed and prospective datasets like the Sentinel Distributed Database, namely uncertainty regarding the optimal approach to estimating propensity scores in dynamic data among data partners of heterogeneous size. Summary: Future research should focus on the methodological challenges raised by these applications as well as developing new modular programs for targeted surveillance of medical products. PMID- 29204334 TI - Norovirus Disease in Older Adults Living in Long-Term Care Facilities: Strategies for Management. AB - Purpose of Review: Noroviruses are the most common cause of gastroenteritis outbreaks in long-term care facility (LTCFs). This review summarizes the most up to-date knowledge on norovirus infection in LTCFs with the aim of identifying potential strategies for management. Recent Findings: LTCF residents are at greater risk of norovirus infection. Early identification of norovirus infection and prompt initiation of appropriate supportive therapy are required to reduce morbidity and mortality. Measures to prevent outbreaks and reduce the risk of norovirus infection in LTCFs include timely diagnosis and implementation of infection control interventions to limit virus transmission. Summary: Current guidelines for prevention and control are based on generic principles of infection control. Real-time reverse transcription-quantitative polymerase chain reaction assays have been the gold standard for the rapid and sensitive detection of noroviruses. With the recent breakthroughs of human norovirus in vitro culture, doors are now opened to evaluate the efficacy of environmental disinfectants and hand hygiene options. Additionally, development of licensed vaccines against noroviruses may provide another important tool for infection prevention among high-risk individuals. PMID- 29204335 TI - Temporal trends in lipid testing among children and adolescents: A population based study. AB - Unfavorable lipid levels during childhood are associated with subsequent development of atherosclerotic cardiovascular disease. The American Academy of Pediatrics and National Heart, Lung and Blood Institute in 2011 recommended universal lipid screening for children between ages 9-11 years and between ages 17-21 years. The objective of the study was to determine temporal trends in lipid testing among children and young adults in a mid-western population. The Rochester Epidemiology Project database was used to identify lipid testing in ages 2-21 years (n = 51,176) in the Olmsted County population from January 1, 2008 through December 31, 2014. Generalized estimating equations with Poisson distribution were used to test for temporal trends in lipid testing across the age groups. There was modest increase in lipid testing in children in the age groups, 9-11 years and 17-21 years (1.5% in 2008 to 2.2% in 2014, P < 0.001 and 4.4% in 2008 to 4.6% in 2014, P = 0.02, respectively). There was a significant decrease in proportion of 17-21 year olds with elevated total cholesterol (16.2% in 2008 to 11.6% in 2014; P = 0.01) and non-high density lipoprotein cholesterol (22.6% in 2008 to 12.6% in 2014; P < 0.001). In this population-based study, rates of lipid testing increased minimally only in the last six years. Further longitudinal studies are warranted to improve guideline dissemination and address attitudes, practices and barriers to lipid testing in children and young adults. PMID- 29204336 TI - Sporotrichosis by Sporothrix schenckii senso stricto with itraconazole resistance and terbinafine sensitivity observed in vitro and in vivo: Case report. AB - We report a case of a patient with lymphocutaneous sporotrichosis in the right upper limb. The fungus was identified as Sporothrix schenckii senso stricto by calmodulin gene sequencing. The initial treatment was itraconazole (200 mg/day), but in vitro antifungal susceptibility demonstrated high resistant to this and another six antifungals, with exception to terbinafine. The lesions did not regress with itraconazole treatment. Thus, 500 mg/day of terbinafine was prescribed and clinical cure was obtained after four months. PMID- 29204337 TI - Effects on bone resorption markers of continuing pamidronate or switching to zoledronic acid in patients with high risk bone metastases from breast cancer. AB - Background: Switching patients who remain at high risk of skeletal related events (SREs) despite pamidronate to the more potent bisphosphonate zoledronate, may be an effective treatment strategy. As part of a previously reported clinic study in this setting, we evaluated whether biomarkers for bone resorption, such as Bone Specific Alkaline Phosphatase (BSAP), bone sialoprotein (BSP), and N-terminal telopeptide (NTX) correlated with subsequent SRE risk. Methods: Breast cancer patients who remained at high risk of SREs despite at least 3 months of q.3-4 weekly pamidronate were randomized to either continue on pamidronate or to switch to zoledronate (4 mg) once every 4 weeks for 12-weeks. High risk bone metastases were defined by either: occurrence of a prior SRE, bone pain, radiologic progression of bone metastases and/or serum C-terminal telopeptide (CTx) levels > 400 ng/L despite pamidronate use. Serum samples were collected at baseline and weeks 1, 4, 8 and 12 (CTx and BSAP) and baseline and week 12 (NTx and BSP), and all putative biomarkers were measured by ELISA. Follow up was extended to 2 years post trial entry for risk of subsequent SREs. The Kaplan-Meier method was used to estimate time-to-event outcomes. Generalized estimating equations (GEE) were used to evaluate if laboratory values over time or the change in laboratory values from baseline were associated with having a SRE within the time frame of this study. Results: From March 2012 to May 2014, 76 patients were screened, with 73 eligible for enrolment. All 73 patients were available for biochemical analysis, with 35 patients receiving pamidronate and 38 patients receiving zoledronate. The GEE analysis found that no laboratory value was associated with having a subsequent SRE. Interaction between visit and laboratory values was also investigated, but no interaction effect was statistically significant. Only increased number of lines of prior hormonal treatment was associated with subsequent SRE risk. Conclusion: Our analysis failed to find any association between serum BSAP, BSP, CTx or NTx levels and subsequent SRE risk in this cohort of patients. This lack of correlation between serum biomarkers and clinical outcomes could be due to influences of prior bisphosphonate treatment or presence of extra-osseous metastases in a significant proportion of enrolled patients. As such, caution should be used in biomarker interpretation and use to direct decision making regarding SRE risk for high risk patients in this setting. PMID- 29204338 TI - Giant left atrium encountered during right-sided thoracentesis. AB - Giant left atrium is an uncommon pathology to encounter during bedside chest ultrasound, but is an important structure to be aware of when considering thoracentesis. This cardiac structure could easily be mistaken for loculated pleural fluid. This case also supports growing evidence that expert users can safely perform thoracentesis without completely reversing therapeutic anticoagulation. PMID- 29204339 TI - Chest pain in a young immunocompetent male: A rare case scenario. AB - Musculoskeletal tuberculosis is the commonest form of extrapulmonary tuberculosis however Rib lesion is uncommon and occurs in zero to five percent of bone and joint tuberculosis. In our case report both chest X ray and CT were useful in demonstrating the skeletal lesion and also in the assessment of response to treatment, as follow up chest X ray and CT scan at 4 months and after 12 months of anti tubercular drugs showed remarkable new bone formation and clearing of pleura parenchymal lesions. PMID- 29204340 TI - Evaluation of coexistence of cancer and active tuberculosis; 16 case series. AB - Introduction: Tuberculosis is an important risk factor for cancer. Pulmonary TB and lung cancer(LC) may mimic each other especially in the aspect of the clinical and radiological features. The aim of the study was to evaluate the features and risk factors of cases with coexistence cancer and active TB. Methodology: We retrospectively reviewed the medical records of patients with coexisting TB and cancer a period from 2009 to 2014. We evaluated demographic data, the ways diagnosis of TB cases, the location of TB and cancer, TB treatment results of the cases. Results: We recorded 374 TB cases in our dyspensary at this study period. In 16 (4%) of these cases, a coexistence of cancer and TB was detected. The male/female ratio was 12/4. The mean age was 62,12 +/- 15,13 years. There were TST results except three cases. There were ten pulmonary TB and six extra pulmonary TB (four peripheral lymphadenopathy TB, one abdominal TB lymphadenopathy and one salivary gland TB). Cancer types were as follows; eight lung cancer, two breast cancer, one base of tongue, one endometrium cancer, one hypopharyngeal cancer, one stomach cancer, one bladder cancer and one maxillary cancer. Diagnosis of all cases was confirmed by bacteriologic and/or histopathological examination. Squamous cell carcinoma was the most common type of cancers. This rate was 9/16. All TB cases were new. There were risk factors out of two case in the cases. Five cases were died during TB treatment. Others completed TB treatment without any complication. Conclusions: In our study, the coexistence of LC and pulmonary TB was more common. The local immunity is deteriorated in cancer cases. If there is pulmonary infiltrates in lung or peripheral lymphadenopathy, we must search tuberculosis too out of metastatic lesion and other infectious diseases. We should not make delay in the diagnosis of active TB in cancer cases. PMID- 29204341 TI - Case report: Exome sequencing identifies T-ALL with myeloid features as a IKZF1 struck early precursor T-cell malignancy. PMID- 29204342 TI - Sex differences in white matter alterations following repetitive subconcussive head impacts in collegiate ice hockey players. AB - Objective: Repetitive subconcussive head impacts (RSHI) may lead to structural, functional, and metabolic alterations of the brain. While differences between males and females have already been suggested following a concussion, whether there are sex differences following exposure to RSHI remains unknown. The aim of this study was to identify and to characterize sex differences following exposure to RSHI. Methods: Twenty-five collegiate ice hockey players (14 males and 11 females, 20.6 +/- 2.0 years), all part of the Hockey Concussion Education Project (HCEP), underwent diffusion-weighted magnetic resonance imaging (dMRI) before and after the Canadian Interuniversity Sports (CIS) ice hockey season 2011-2012 and did not experience a concussion during the season. Whole-brain tract-based spatial statistics (TBSS) were used to compare pre- and postseason imaging in both sexes for fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD), and radial diffusivity (RD). Pre- and postseason neurocognitive performance were assessed by the Immediate Post-Concussion Assessment and Cognitive Test (ImPACT). Results: Significant differences between the sexes were primarily located within the superior longitudinal fasciculus (SLF), the internal capsule (IC), and the corona radiata (CR) of the right hemisphere (RH). In significant voxel clusters (p < 0.05), decreases in FA (absolute difference pre- vs. postseason: 0.0268) and increases in MD (0.0002), AD (0.00008), and RD (0.00005) were observed in females whereas males showed no significant changes. There was no significant correlation between the change in diffusion scalar measures over the course of the season and neurocognitive performance as evidenced from postseason ImPACT scores. Conclusions: The results of this study suggest sex differences in structural alterations following exposure to RSHI. Future studies need to investigate further the underlying mechanisms and association with exposure and clinical outcomes. PMID- 29204343 TI - Episodic memory after trauma exposure: Medial temporal lobe function is positively related to re-experiencing and inversely related to negative affect symptoms. AB - Hippocampal structure is particularly sensitive to trauma and other stressors. However, previous findings linking hippocampal function with trauma-related psychopathology have been mixed. Heterogeneity in psychological responses to trauma has not been considered with respect to hippocampal function and may contribute to mixed findings. To address these issues, we examined associations between data-driven symptom dimensions and episodic memory formation, a key function of the hippocampus, in a trauma-exposed sample. Symptom dimensions were defined using principal components analysis (PCA) in 3881 trauma-exposed African American women recruited from primary care waiting rooms of a large urban hospital. Hippocampal and amygdala function were subsequently investigated in an fMRI study of episodic memory formation in a subset of 54 women. Participants viewed scenes with neutral, negative, and positive content during fMRI, and completed a delayed cued recall task. PCA analysis produced five symptom dimensions interpreted as reflecting negative affect, somatic symptoms, re experiencing, hyper-arousal, and numbing. Re-experiencing was the only symptom type associated with hippocampal function, predicting increased memory encoding related activation in the hippocampus as well as the amygdala. In contrast, the negative affect component predicted lower amygdala activation for subsequently recalled scenes, and lower functional coupling with other important memory related regions including the precuneus, inferior frontal gyrus, and occipital cortex. Symptom dimensions were not related to hippocampal volume. The fMRI findings for re-experiencing versus negative affect parallel differences in behavioral memory phenomena in PTSD versus MDD, and highlight a need for more complex models of trauma-related pathology. PMID- 29204345 TI - Localization of ictal pouting in frontal lobe epilepsy: A case report. PMID- 29204344 TI - MR brain volumetric measurements are predictive of neurobehavioral impairment in the HIV-1 transgenic rat. AB - Introduction: HIV infection is known to be associated with brain volume loss, even in optimally treated patients. In this study, we assessed whether dynamic brain volume changes over time are predictive of neurobehavorial performance in the HIV-1 transgenic (Tg) rat, a model of treated HIV-positive patients. Materials and methods: Cross-sectional brain MRI imaging was first performed comparing Tg and wild type (WT) rats at 3 and 19 months of age. Longitudinal MRI and neurobehavioral testing of another group of Tg and WT rats was then performed from 5 to 23 weeks of age. Whole brain and subregional image segmentation was used to assess the rate of brain growth over time. We used repeated-measures mixed models to assess differences in brain volumes and to establish how predictive the volume differences are of specific neurobehavioral deficits. Results: Cross-sectional imaging showed smaller whole brain volumes in Tg compared to WT rats at 3 and at 19 months of age. Longitudinally, Tg brain volumes were smaller than age-matched WT rats at all time points, starting as early as 5 weeks of age. The Tg striatal growth rate delay between 5 and 9 weeks of age was greater than that of the whole brain. Striatal volume in combination with genotype was the most predictive of rota-rod scores and in combination with genotype and age was the most predictive of total exploratory activity scores in the Tg rats. Conclusion: The disproportionately delayed striatal growth compared to whole brain between 5 and 9 weeks of age and the role of striatal volume in predicting neurobehavioral deficits suggest an important role of the dopaminergic system in HIV associated neuropathology. This might explain problems with motor coordination and executive decisions in this animal model. Smaller brain and subregional volumes and neurobehavioral deficits were seen as early as 5 weeks of age, suggesting an early brain insult in the Tg rat. Neuroprotective therapy testing in this model should thus target this early stage of development, before brain damage becomes irreversible. PMID- 29204346 TI - Drug-induced hypersensitivity syndrome caused by valproic acid as a monotherapy for epilepsy: First case report in Asian population. AB - Valproic acid (VPA) is a broad-spectrum antiseizure drug used for a variety of clinical conditions, such as epilepsy and mood disorders. Drug-induced hypersensitivity syndrome (DRESS) accompanied by hyponatremia, thrombocytopenia, hypoalbuminemia and elevated aminotransferase has never been reported as an adverse effect of VPA monotherapy during titration for epilepsy in Asian population. Hereby, we present the case of a 73-year-old Chinese male who suffered from DRESS and other complications two weeks after initiating VPA treatment for epilepsy. Understanding the risk associated with VPA-induced DRESS, and taking effective measures to avoid the severe side effects are necessary. PMID- 29204347 TI - Impairment of consciousness induced by bilateral electrical stimulation of the frontal convexity. AB - We report a case of impairment of consciousness (IOC) induced by electrical cortical stimulation (ECS) of homologous regions within the lateral frontal convexities in a patient with medically intractable epilepsy. The patient had mixed features of idiopathic generalized and focal epilepsy. On intracranial EEG recording, interictal and ictal discharges showed a high degree of synchrony across widespread bilateral fronto-parietal areas. We identified regions in the lateral frontal lobes that reliably and produced loss of consciousness by ECS. This was accompanied by evoked EEG activity of admixed frequencies over the fronto-parietal, mesial frontal and temporal regions during stimulation and was not associated with after-discharges. Symptoms were immediately reversible upon cessation of stimulation. This finding suggests that focal cortical stimulation can disrupt widespread networks that underlie consciousness. Individuals with high degrees of speculated thalamo-frontal cortical connectivity might be more susceptible to this effect, and the findings highlight the importance of standardizing the testing of level of consciousness during mapping sessions. Although consciousness is commonly impaired in epileptic seizures, limited literature is available on loss of consciousness induced by electrical cortical stimulation (ECS) in humans undergoing intracranial EEG evaluations for localization of epileptic focus. One theory advocates the presence of consciousness 'switch' in subcortical structures. While this model is novel and simplistic, it has its inherent limitations. In this case study, we propose an alternative approach on the entity and discuss the complex circuits underlying it and correlate that with the electrophysiological findings and the pathophysiology of the phenotype of the disease and discuss potential causes for rarity of reports on the subject. PMID- 29204348 TI - Non ictal onset zone: A window to ictal dynamics. AB - The focal and network concepts of epilepsy present different aspects of electroclinical phenomenon of seizures. Here, we present a 23-year-old man undergoing surgical evaluation with left fronto-temporal electrocorticography (ECoG) and microelectrode-array (MEA) in the middle temporal gyrus (MTG). We compare action-potential (AP) and local field potentials (LFP) recorded from MEA with ECoG. Seizure onset in the mesial-temporal lobe was characterized by changes in the pattern of AP-firing without clear changes in LFP or ECoG in MTG. This suggests simultaneous analysis of neuronal activity in differing spatial scales and frequency ranges provide complementary insights into how focal and network neurophysiological activity contribute to ictal activity. PMID- 29204350 TI - Heart rate variability in concussed athletes: A case report using the smartphone electrocardiogram. PMID- 29204351 TI - Implantation of a dual-chamber permanent pacemaker in a pregnant patient guided by intracardiac echocardiography and electroanatomic mapping. PMID- 29204349 TI - Annotation of nerve cord transcriptome in earthworm Eisenia fetida. AB - In annelid worms, the nerve cord serves as a crucial organ to control the sensory and behavioral physiology. The inadequate genome resource of earthworms has prioritized the comprehensive analysis of their transcriptome dataset to monitor the genes express in the nerve cord and predict their role in the neurotransmission and sensory perception of the species. The present study focuses on identifying the potential transcripts and predicting their functional features by annotating the transcriptome dataset of nerve cord tissues prepared by Gong et al., 2010 from the earthworm Eisenia fetida. Totally 9762 transcripts were successfully annotated against the NCBI nr database using the BLASTX algorithm and among them 7680 transcripts were assigned to a total of 44,354 GO terms. The conserve domain analysis indicated the over representation of P-loop NTPase domain and calcium binding EF-hand domain. The COG functional annotation classified 5860 transcript sequences into 25 functional categories. Further, 4502 contig sequences were found to map with 124 KEGG pathways. The annotated contig dataset exhibited 22 crucial neuropeptides having considerable matches to the marine annelid Platynereis dumerilii, suggesting their possible role in neurotransmission and neuromodulation. In addition, 108 human stem cell marker homologs were identified including the crucial epigenetic regulators, transcriptional repressors and cell cycle regulators, which may contribute to the neuronal and segmental regeneration. The complete functional annotation of this nerve cord transcriptome can be further utilized to interpret genetic and molecular mechanisms associated with neuronal development, nervous system regeneration and nerve cord function. PMID- 29204352 TI - Fractionated electrograms with ST-segment elevation recorded from the human right ventricular outflow tract. PMID- 29204353 TI - Sphingomonas paucimobilis presenting as acute phlebitis: A case report. AB - Sphingomonas paucimobilis is a strictly aerobic, non-spore-forming Gram-negative bacillus, ubiquitous bacterium, thought to be an opportunistic pathogen and is rarely reported in clinical settings. Here in, is the first case report of Acute Sphingomonas phlebitis secondary to intravenous (IV) drug use. We present the case of a 39-year-old male who initially presented with pain in his right upper extremity, fevers and chills of three week duration. He admitted to regularly injecting heroin in his distal right upper extremity with visible erythema, tenderness and streaking along the path of vein along the injection site. Radiographic studies including X-ray of the right arm, ultrasound and a subsequent MRI of the right arm were not significant for any osteomyelitis, deep venous thrombus, abscess, cellulitis, osteomyelitis, or pyomyositis. Blood culture grew Sphingomonas paucimobilis. Patient was initially started on vancomycin and piperacillin/tazobactam and subsequently switched to levofloxacin to complete a 14 day course. Patient admitted to using toilet water to mix his heroin which we suspect may have been the source of his bacteremia. Since it was first reported in 1979, a wide variety of community-acquired and hospital acquired infections have been attributed to this Sphingomonas. It is ubiquitous to natural environment. We believe that due to its widespread habitat and ability to survive in stress conditions it could be a potential future threat in the era of increasing antimicrobial resistance globally. More research needs to be done on early identification, pathogenesis, treatment and eradication of the organism. PMID- 29204354 TI - Unusual carbapenem resistant but ceftriaxone and cefepime susceptible Klebsiella oxytoca isolated from a blood culture: Case report and whole-genome sequencing investigation. AB - A carbapenem resistant but ceftriaxone and cefepime susceptible Klebsiella oxytoca was isolated from the blood of a patient with polymicrobial bacteremia after 2 weeks of ertapenem treatment. Whole-genome sequencing identified no carbapenemase gene nor plasmid, but only blaOXY-2-8 gene with a mutation in the promoter that's been reported to increase its expression. Two other specific carbapenem resistance mechanisms including mutated porin genes and the AcrAB-TolC efflux system genes were also identified. Clinicians need to be aware of such unusual antibiogram and should not assume carbapenems are always broader spectrum antibiotics than expanded-spectrum cephalosporins. PMID- 29204355 TI - Cardiac Transplantation in Dermatomyositis: A case report and literature review. AB - Background and objectives: Cardiac involvement has been well recognized in patients with dermatomyositis (DM) and polymyositis (PM) with a variable frequency between 9 and 72%. However, clinically significant heart involvement in DM/PM is relatively infrequent and there have been rare reports of cardiac transplantation in DM. Our aims were to describe a case of severe cardiac involvement in DM requiring heart transplantation and review the literature of cardiac disease in DM and PM. Methods: A patient with dermatomyositis who was referred to our institution with severe heart failure is described. Pathology of the patient's skeletal and cardiac muscle is reviewed. A MEDLINE database search of reports of cardiac involvement in DM and PM was also conducted. Results: A 36 year-old man with DM presented with severe heart failure to our institution for evaluation of heart transplantation. After a three month hospitalization he underwent successful cardiac transplantation. Pathological examination of his explant heart revealed a pattern of inflammation and damage similar to DM in skeletal muscle. The patient is currently doing well, 20 months post-transplant, and is maintained on tacrolimus, cellcept, rituximab, and low dose prednisone. To our knowledge, this is the first case report of heart transplantation in dermatomyositis in which the muscle pathology is similar in both heart and skeletal muscle. Conclusions: Severe cardiac involvement requiring transplantation is rare in dermatomyositis but does occur and appears to be related to a similar inflammatory process as noted in the skeletal muscle. PMID- 29204356 TI - Ureteral Nephrogenic Adenoma in Chronic Recreational Ketamine Abuse. PMID- 29204357 TI - An infected thoracoabdominal aortic aneurysm mimicking the symptoms of urinary tract infection: A case report. PMID- 29204358 TI - Crohn's disease and multilocular cystic renal neoplasm of low malignant potential: An unusual association. PMID- 29204359 TI - Refractory urinary tract infection complicated rectus sheath abscess: A case report. PMID- 29204360 TI - A self-inflicted male urethral/vesical foreign body (olive seed) causing complete urinary retention. AB - Foreign body in the urethra is a relatively rare occurrence. A variety of foreign bodies, majority of which were mostly self-inflicted for psychiatric disorder, senility, intoxication, and autoerotic stimulation, have been reported in the literature. We report a case of self-inserted foreign body (olive seed) in the urethra. PMID- 29204361 TI - Double mucosal flap for the reconstruction of transverse vaginal septum - A novel surgical approach using the vaginal septal tissue. PMID- 29204362 TI - Incarcerated prolapsed ureterocele after midurethral sling in women. AB - Stress urinary incontinence (SUI) is a common problem in women. Successful treatment is now mid urethral sling but it would be a cause of urethral obstruction. In this case report, a 50 years old woman presented with a huge introitus mass after 3 months of midurethral sling. The mass protruded from the urethra and could not be reduced. Emergency MRI of pelvis was demonstrated prolapsed ureterocele, single system of right ureter. Preoperative planning was cystoscopy and mass excision. The patient was preoperatively counseled that right ureteric reimplantation may be required. Finally, the mass could be excised externally without reimplantation. PMID- 29204363 TI - Suspicious findings on micro-ultrasound imaging and early detection of prostate cancer. AB - The ExactVuTM Micro-Ultrasound system is a new high resolution imaging system for visualizing the prostate and has been FDA, CE, and Health Canada approved for visualization and biopsy of the prostate. The PRI-MUSTM (Prostate Risk Identification for Micro-Ultrasound) protocol has previously been demonstrated to correlate with risk of prostate cancer and severity of cancer. Here we present a case where a healthy 50 year old subject with no known risk factors volunteered to test the ExactVu system and was found to harbour multiple PRI-MUS 3-5 lesions. This prompted PSA testing, biopsy and eventual diagnosis of significant prostate cancer. PMID- 29204364 TI - Extramedullary plasmacytoma of the testis: A case report. PMID- 29204366 TI - Assessment of diabetic polyneuropathy in Zanzibar: Comparison between traditional methods and an automated point-of-care nerve conduction device. AB - Aim: Scant information is available about the prevalence of diabetic polyneuropathy, as well as the applicability of screening tools in sub-Saharan Africa. We aimed to investigate these issues in Zanzibar (Tanzania). Methods: One hundred consecutive diabetes patients were included from the diabetes clinic at Mnazi Mmoja Hospital. Clinical characteristics were recorded. Further, we investigated: a) self-reported numbness of the lower limbs, b) ten-point monofilament test, c) the Sibbald 60-s Tool and d) nerve conduction studies (NCS, using an automated handheld point-of-care device, the NC-stat DPNCheck). Results: Mean age was 54 years, 90% had type 2 diabetes, and with 9 year average disease duration. Mean HbA1c was 8.5% (69 mmol/mol), blood pressure 155/88 mmHg. Sixty two% reported numbness, 61% had positive monofilament and 79% positive Sibbald tool. NCS defined neuropathy in 45% of the patients. Only the monofilament showed appreciable concordance with the NCS, Cohen's kappa 0.43. Conclusions: The patient population was characterised by poor glycaemic control and hypertension. In line with this, neuropathy was rampant. The monofilament test tended to define more cases of probable neuropathy than the NCS, however specificity was rather low. Plantar skin thickening may have led to false positives in this population. Overall concordance was, however, appreciable, and could support continued use of monofilament as a neuropathy screening tool. The NC-stat DPNCheck could be useful in cases of diagnostic uncertainty or for research purposes in a low resource setting. PMID- 29204365 TI - The AGE-RAGE axis in an Arab population: The United Arab Emirates Healthy Futures (UAEHFS) pilot study. AB - Aims: The transformation of the United Arab Emirates (UAE) from a semi-nomadic to a high income society has been accompanied by increasing rates of obesity and Type 2 diabetes mellitus. We examined if the AGE-RAGE (receptor for advanced glycation endproducts) axis is associated with obesity and diabetes mellitus in the pilot phase of the UAE Healthy Futures Study (UAEHFS). Methods: 517 Emirati subjects were enrolled and plasma/serum levels of AGE, carboxy methyl lysine (CML)-AGE, soluble (s)RAGE and endogenous secretory (es)RAGE were measured along with weight, height, waist and hip circumference (WC/HC), blood pressure, HbA1c, Vitamin D levels and routine chemistries. The relationship between the AGE-RAGE axis and obesity and diabetes mellitus was tested using proportional odds models and linear regression. Results: After covariate adjustment, AGE levels were significantly associated with diabetes status. Levels of sRAGE and esRAGE were associated with BMI and levels of sRAGE were associated with WC/HC. Conclusions: The AGE-RAGE axis is associated with diabetes status and obesity in this Arab population. Prospective serial analysis of this axis may identify predictive biomarkers of obesity and cardiometabolic dysfunction in the UAEHFS. PMID- 29204367 TI - Protein and fat meal content increase insulin requirement in children with type 1 diabetes - Role of duration of diabetes. AB - Background and objective: Hyperglycaemia remains a challenge in type 1 diabetes since current regimes used to determine meal insulin requirements prove to be ineffective. This is particularly problematic for meals containing high amounts of protein and fat. We aimed to determine the post-prandial glycaemic response and total insulin need for mixed meals, using sensor-augmented insulin pumps in children with type 1 diabetes. Methods: Twenty-two children with type 1 diabetes, aged 4-17 years on insulin pump therapy completed this home-based, cross-over, randomised controlled trial. Two meals with identical carbohydrate content - one with low fat and protein (LFLP) and one with high fat and protein (HFHP) contents - were consumed using normal insulin boluses. Blood glucose monitoring was done for 10 h post-meal, with correction bolus insulin given two-hourly if required. Results: The HFHP meal required significantly more total insulin (3.48 vs. 2.7 units) as a result of increased post-meal correction insulin requirement (1.2 vs. 0.15 units) spread over a longer duration (6 vs. 3 h). The HFHP meals significantly increased the time spent above target glucose level. Duration of diabetes and total daily insulin use significantly influenced the post-prandial blood glucose response to the two meals. Conclusion: When consuming carbohydrate based mixed meals, children with type 1 diabetes on insulin pump therapy, required significantly more insulin over a longer period of time than the insulin requirement calculated using current regimes. This additional amount required is influenced by the duration of diabetes and total daily insulin use. PMID- 29204369 TI - Effect of a vitamin and mineral supplementation on glycemic status: Results from a community-based program. AB - Aims: Diet is a major risk factor for type 2 diabetes mellitus. As cofactors necessary for enzyme function of all metabolic pathways, vitamins and minerals have the potential to improve glucose metabolism. We investigated the effects of a nutrient intervention program on glycemic status. Methods: We used a form of natural experiment to compare Pure North program participants (n = 1018) that received vitamin D alone (Vital 1) or vitamin D in combination with other nutrients (Vital 2) during two different time periods. Changes in 25 hydroxyvitamin D [25(OH)D], high-sensitivity C reactive protein (hs-CRP), glycated hemoglobin (HbA1c) and glycemic status were characterized over one and two years. Results: Serum 25(OH)D concentrations increased significantly in both Vital 1 (to 111 +/- 49 nmol/L) and Vital 2 (to 119 +/- 52 nmol/L) over one year. HbA1c and hs-CRP were significantly reduced over time in Vital 2. Higher 25(OH)D levels after one year were associated with larger decreases in HbA1c and hs-CRP in Vital 2. At one year, 8% of Vital 2 and 16% of Vital 1 participants progressed from normoglycemia to prediabetes/diabetes, whereas 44% of Vital 2 and 8% of Vital prediabetes/diabetes subjects regressed to normoglycemia. Conclusions: Vitamin D combined with other nutrients was associated with a reduced risk of progression to diabetes and with an increased rate of reversion to normoglycemia in high risk participants. The results suggest that nutrient supplementation regimes may provide a safe, economical and effective means for lowering diabetes risk. Further examination of this potential via randomized controlled trials is warranted. PMID- 29204368 TI - Beneficial effects of oral pure caffeine on oxidative stress. AB - Ingestion of coffee (which is a mixture of over 1000 hydrosoluble substances) is known to protect from type-2 diabetes mellitus and its complications, and other chronic disorders associated with increased oxidative damage in blood and tissues. This protection is generally attributed to polyphenols and melanoidins. Very few studies were conducted on the amelioration of classic blood markers of oxidative stress induced after a few days of caffeine administration, but results vary. To assess whether caffeine per se could account for antioxidant properties of coffee in the short-term, we tested the ability of pure caffeine ingestion (5 mg/kg body weight/day in two daily doses for seven consecutive days) to improve plasma levels of six biochemical indices in healthy male volunteers (n = 15). These indices were total antioxidant capacity (TAC), glutathione (GSH), oxidized glutathione (GSSG), GSH to GSSG ratio, lipid hydroperoxides (LOOH) and malondialdehyde (MDA). We found that all indices changed significantly (P < .05 or < .01) in a favourable manner, ranging from -41% for GSSG to -70% for LHP levels, and +106% for GSH levels to +249% for the GSG/GSSG ratio. Changes of any given index were uniform across subjects, with no outliers. We conclude that caffeine has unequivocal, consistent antioxidant properties. PMID- 29204370 TI - Association of vitamin D with cathelicidin and vitamin D binding protein in pediatric sepsis. PMID- 29204371 TI - The prolactin receptor: Diverse and emerging roles in pathophysiology. AB - Investigations over two decades have revised understanding of the prolactin hormone. Long thought to be merely a lactogenic hormone, its list of functions has been extended to include: reproduction, islet differentiation, adipocyte control and immune modulation. Prolactin functions by binding cell-surface expressed prolactin receptor, initiating signaling cascades, primarily utilizing Janus kinase-signal transducer and activator of transcription (JAK-STAT). Pathway disruption has been implicated in tumorigenesis, reproductive abnormalities, and diabetes. Prolactin can also be secreted from extrapituitary sources adding complexity to understanding of its physiological functions. This review aims to describe how prolactin exerts its pathophysiological roles by endocrine and autocrine means. PMID- 29204372 TI - The impact of a low glycemic index (GI) breakfast and snack on daily blood glucose profiles and food intake in young Chinese adult males. AB - Objective: Low glycemic index (GI) foods have been suggested to minimize large fluctuations in blood glucose levels and reduce food intake. However, the majority of studies have been conducted on Caucasian populations with limited data on Asians. The objective of this study was to investigate how the provision of a low GI breakfast and afternoon snack affected daily blood glucose profiles and food intake. Materials and methods: In a randomized, controlled crossover non blind design, 11 healthy Chinese male adults (body mass index 22.4 +/- 1.3 kg m 2) attended two sessions where they consumed either a high or low GI breakfast and afternoon snack, and a standardized buffet lunch. Daily changes in glycemic response (GR) were measured using the Medtronic MiniMed (Northridge, CA) iProTM2 continuous glucose monitoring system (CGMS). The GR was further calculated to obtain the incremental area under the curve (IAUC). Glycemic variability was calculated as mean amplitude of glycemic excursion (MAGE) and energy intake (kcal) was measured quantitatively at the buffet lunch. Results: Compared to the high GI intervention, the low GI intervention significantly reduced the GR following breakfast (p = 0.02), lunch (p = 0.02) and dinner (p = 0.05). The low GI treatment showed a reduction in daily AUC (p = 0.03). There was a significant reduction in IAUC after a low GI breakfast compared to the high GI breakfast (p = 0.03). The low GI breakfast resulted in a significantly lower food intake at lunch and a resulting decreased energy intake of 285 kcal (p = 0.02). The MAGE was significantly lower during the entire low GI treatment (p = 0.03). Conclusions: Consumption of a low GI breakfast and afternoon snack was capable of attenuating 24-h blood glucose profiles, minimize glycemic excursions and reduce food intake in healthy Asian males. This simple dietary intervention may be an acceptable approach in improving overall glycemia and energy balance in Asians. Clinical trial registration number: NCT02340507. PMID- 29204373 TI - Patients with type 1 diabetes in Sweden experience more fatigue than the general population. AB - Aims: Type 2 diabetes has been linked to fatigue, but results on type 1 diabetes are ambiguous. Our aim was to determine if type 1 diabetes is associated with fatigue and whether the fatigue is due to complications or to the disease itself. Methods: The Multidimensional Fatigue Inventory (MFI-20), was submitted to all 435 adult patients with type 1 diabetes in the National Diabetes Register at the Sunderby Hospital clinic and to a control group of 2500 persons. The participation rate was 62% in both groups. Results: Type 1 diabetes was associated with greater fatigue, with a 1.4-point difference (0.9-1.9, 95% CI) in general fatigue on a scale of 4-20. Type 1 diabetes was an independent predictor of fatigue, as were cardiovascular and cerebrovascular disease. Women with long diabetes duration but without complications experienced more fatigue than women in the general population (difference in general fatigue = 2.5, p = 0.021), whereas men showed no significant difference. Conclusions: Type 1 diabetes is associated with greater fatigue, partly ascribed to vascular disease. Type 1 diabetes of long duration might be associated with fatigue regardless of classical complications, but further research is needed to confirm results. PMID- 29204374 TI - Relationship between high normal TSH levels and metabolic syndrome components in type 2 diabetic subjects with euthyroidism. AB - Objective: Thyroid hormones as modulators of adaptive thermogenesis can potentially contribute to development of obesity. The purpose of our study is to observe a relationship between TSH and BMI, blood lipids, BP and HbA1c in type 2 diabetic subjects with euthyroidism. Methods: A total of 120 subjects with type 2 diabetes were recruited for this study from November 2012 to June 2014. Subjects were included in the study with TSH values between 0.4 and 4.5 mU/l, who did not take any thyroid medication and had a similar iodine diet. Subjects were weighed and anthropometric indices, lipid parameters, fasting plasma glucose, HbA1c, eGFR, blood pressure (BP) were documented. TSH was measured by an electrochemiluminescence immunoassay. Statistical analysis was performed by using SPSS 18(P value <0.05 was considered significant). Results: The mean age of the participants was 60.6 +/- 11.6 years with a BMI of 25.3 +/- 3.1 kg/m2. Serum TSH levels were significantly and positively associated with BMI, systolic and diastolic BP, serum triglyceride and HbA1c levels, whereas negatively with eGFR. Subjects with a TSH in a higher normal range (2.5-4.5 mU/I, n = 58) had a significantly higher BMI (26.7 +/- 3 vs. 24.1 +/- 2.7) and this relation remained significant adjusted for age and sex (P < 0.001). When TSH was in low normal range, the number of patients with glycemic goal (HbA1c > 7%) decreased from 27.5% to 12.5% (P = 0.02, adjusted for age and sex). Conclusion: In type 2 diabetic subjects with biochemical euthyroidism we found significant association between high normal TSH levels and components of metabolic syndrome. High normal TSH levels were associated with more number of subjects with glycemic goal (HbA1c >7%). PMID- 29204375 TI - Modified Langendorff technique for mouse heart cannulation: Improved heart quality and decreased risk of ischemia. AB - Oscar Langendorff introduced the first method for isolating a heart with contractile activity in 1895. Since then, the Langendorff method has remained a powerful technique in cardiac research and has led to major advances in medicine. The primary goal of the Langendorff method is to provide an isolated heart with oxygen and metabolites via a cannula inserted into the aorta. The Langendorff heart is a complex in vitro technique used primarily in pharmacological and physiological research that allows the evaluation of multiple cardiac hemodynamic parameters including, but not limited to, contractility and heart rate. This article will first provide a brief background of the Langendorff method as well as details regarding organ isolation. Finally, the article will discuss the benefits of a new technique for hanging the isolated heart aorta and the benefits of this technique over traditional methods. PMID- 29204376 TI - Mobile Cardiac Health-care Monitoring and Notification with Real Time Tachycardia and Bradycardia Arrhythmia Detection. AB - Background: The increasing trend of heart disease has turned the attention of researchers toward the use of portable connected technologies. The necessity of continuous special care for cardiovascular patients is an inevitable fact. Methods: In this research, a new wireless electrocardiographic (ECG) signal monitoring system based on smartphone is presented. This system has two main sections. The first section consists of a sensor which receives ECG signals via an amplifier, then filters and digitizes the signal, and prepares it to be transmitted. The signals are stored, processed, and then displayed in a mobile application. The application alarms in dangerous situations and sends the location of the cardiac patient to family or health-care staff. Results: The results obtained from the analysis of the electrocardiogram signals on 20 different people have been compared with the traditional ECG in hospital by a cardiologist. The signal is instantly transmitted by 200 sample per second to mobile phone. The raw data are processed, the anomaly is detected, and the signal is drawn on the interface in about 70 s. Therefore, the delay is not noticeable by the patient. With respect to rate of data transmission to hospital, different internet connections such as 2G, 3G, 4G, WiFi, WiMax, or Long-Term Evolution (LTE) could be used. Data transmission ranges from 9.6 kbps to 20 Mbps. Therefore, the physician could receive data with no delay. Conclusions: A performance accuracy of 91.62% is obtained from the wireless ECG system. It conforms to the hospital's diagnostic standard system while providing a portable monitoring anywhere at anytime. PMID- 29204377 TI - Detection of Pulmonary Nodules in Low-dose Computed Tomography Using Localized Active Contours and Shape Features. AB - Background: Pulmonary nodules are symptoms of lung cancer. The shape and size of these nodules are used to diagnose lung cancer in computed tomography (CT) images. In the early stages, nodules are very small, and radiologist has to refer to many CT images to diagnose the disease, causing operator mistakes. Image processing algorithms are used as an aid to detect and localize nodules. Methods: In this paper, a novel lung nodules detection scheme is proposed. First, in the preprocessing stage, our algorithm segments two lung lobes to increase processing speed and accuracy. Second, template-matching is applied to detect the suspicious nodule candidates, including both nodules and some blood vessels. Third, the suspicious nodule candidates are segmented by localized active contours. Finally, the false-positive errors produced by vessels are reduced using some two-/three dimensional geometrical features in three steps. In these steps, the size, long and short diameters and sphericity are used to decrease the false-positive rate. Results: In the first step, some vessels that are parallel to CT cross-plane are identified. In the second step, oblique vessels are detected using shift of center of gravity in two successive slices. In step three, vessels vertical to CT cross-plane are identified. Using these steps, vessels are separated from nodules. Early Lung Cancer Action Project is used as a popular dataset in this work. Conclusions: Our algorithm achieved a sensitivity of 90.1% and a specificity of 92.8%, quite acceptable in comparison to other related works. PMID- 29204378 TI - Circular Mitochondrial DNA: A Geant4-DNA User Application for Evaluating Radiation-induced Damage in Circular Mitochondrial DNA. AB - Background: The aim of this study was to develop a nucleotide geometrical model of the circular mitochondrial DNA (mt-DNA) structure using Geant4-DNA toolkit to predict the radiation-induced damages such as single-strand breaks (SSB), double strand breaks (DSB), and some other physical parameters. Methods: Our model covers the organization of a circular human mt genetic system. The current model includes all 16,659 base pairs of human mt-DNA. This new mt-DNA model has been preliminarily tested in this work by determining SSB and DSB DNA damage yields and site-hit probabilities due to the impact of proton particles. The accuracy of the geometry was determined by three-dimensional visualization in various ring element numbers. The hit locations were determined with respect to a reference coordinate system, and the corresponding base pairs were stored in the ROOT output file. Results: The coordinate determination according to the algorithm was consistent with the expected results. The output results contain the information about the energy transfers in the backbone region of the DNA double helix. The output file was analyzed by root analyzing tools. Estimation of SSBs and DSBs yielded similar results with the increment of incident particle linear energy transfer. In addition, these values seem to be consistent with the corresponding experimental determinations. Conclusions: This model can be used in numerical simulations of mt-DNA radiation interactions to perform realistic evaluations of DNA-free radical reactions. This work will be extended to supercoiled conformation in the near future. PMID- 29204379 TI - The Best Texture Features for Leukocytes Recognition. AB - Background: Differential counting of white blood cells (WBCs or leukocytes) is a common task to diagnose many diseases such as leukemia, and infections. An accurate process for recognizing leukocytes is to evaluate a blood smear under a microscope by an expert. Since, this procedure is manual, time-consuming and tedious, making the procedure automatic would overcome these problems. In an automated CAD (Computer-Aided-Design) system for this purpose, a crucial module is leukocytes recognition. In this paper, we are looking for the best features in order to recognize five types of leukocytes (Monocyte, Lymphocyte, Neutrophil, Eosinophil and Basophil) from microscopic images of blood smear in an automated cell counting system. Methods: In this work, we focus on the texture features and seven categories: GLCM features, Haralick features, Spectral texture features, Wavelet-based features, Gabor-based features, CoALBP and RICLBP are analyzed to find the best features for leukocytes detection. The best features of each category are selected using stepwise regression and finally three well-known classifiers called K-NN, LDA and NB are utilized for classification. Results: The proposed system is tested on a self-provided dataset composed of 200 cell images. In our experiments, to evaluate the process, the accuracy of each leukocyte type and the mean accuracy are computed. RICLBP features achieved the best mean accuracy (85.53%) for LDA classifier. Conclusions: In our experiments, although the maximum mean accuracy (85.53%) went with RICLBP features, but the accuracies of all five leukocyte types weren't maximized for RICLBP features. This result directs us to design and develop a system based on multiple features and multiple classifiers to maximize the accuracies even for each individual cell type in our future work. PMID- 29204380 TI - Electrospun Polycaprolactone/lignin-based Nanocomposite as a Novel Tissue Scaffold for Biomedical Applications. AB - Background: Biopolymer scaffolds have received great interest in academic and industrial environment because of their supreme characteristics like biological, mechanical, chemical, and cost saving in the biomedical science. There are various attempts for incorporation of biopolymers with cheap natural micro- or nanoparticles like lignin (Lig), alginate, and gums to prepare new materials with enhanced properties. Methods: In this work, the electrospinning (ELS) technique as a promising cost-effective method for producing polymeric scaffold fibers was used, which mimics extracellular matrix structure for soft tissue engineering applications. Nanocomposites of Lig and polycaprolactone (PCL) scaffold produced with ELS technique. Nanocomposite containings (0, 5, 10, and 15 wt.%) of Lig were prepared with addition of Lig powder into the PCL solution while stirring at the room temperature. The bioactivity, swelling properties, morphological and mechanical tests were conducted for all the samples to investigate the nanocomposite scaffold features. Results: The results showed that scaffold with 10 wt.% Lig have appropriate porosity, biodegradation, minimum fiber diameter, optimum pore size as well as enhanced tensile strength, and young modulus compared with pure PCL. Degradation test performed through immersion of samples in the phosphate-buffer saline showed that degradation of PCL nanocomposites could accelerate up to 10% due to the addition of Lig. Conclusions: Electrospun PCL-Lig scaffold enhanced the biological response of the cells with the mechanical signals. The prepared nanocomposite scaffold can choose for potential candidate in the biomedical science. PMID- 29204381 TI - A Fuzzy Controller for Movement Stabilization Using Afferent Control: Controller Synthesis and Simulation. AB - Stimulation of spinal sensorimotor circuits can improve motor control in animal models and humans with spinal cord injury (SCI). More recent evidence suggests that the stimulation increases the level of excitability in the spinal circuits, activates central pattern generators, and it is also able to recruit distinctive afferent pathways connected to specific sensorimotor circuits. In addition, the stimulation generates well-defined responses in leg muscles after each pulse. The problem is that in most of the neuromodulation devices, electrical stimulation parameters are regulated manually and stay constant during movement. Such a technique is likely suboptimal to intercede maximum therapeutic effects in patients. Therefore, in this article, a fuzzy controller has been designed to control limb kinematics during locomotion using the afferent control in a neuromechanical model without supraspinal drive simulating post-SCI situation. The proposed controller automatically tunes the weights of group Ia afferent inputs of the spinal cord to reset the phase appropriately during the reaction to an external perturbation. The kinematic motion data and weights of group Ia afferent inputs were the input and output of the controller, respectively. Simulation results showed the acceptable performance of the controller to establish adaptive locomotion against the perturbing forces based on the phase resetting of the walking rhythm. PMID- 29204382 TI - Effect of Material and Wall Thickness Buildup Caps on the Head Scatter Factor Measurements in Irregular Fields Shielded by Cerrobend. AB - The head scatter factor (Sc ) is important to measurements radiation beam and beam modeling of treatment planning systems used for advanced radiation therapy techniques. This study aimed to investigate the design of a miniphantom to measurement variations in collimator Sc in the presence of shielding blocks for shaping the beam using different field sizes. Copper, Brass, and Perspex buildup caps were designed and fabricated locally as material with three different thicknesses for buildup caps (miniphantoms). Measurements were performed on an Elekta Compact medical linear accelerator (6 MV) in Shafa Kerman Hospital, Iran. The Farmer-type ion chamber FG65-P (Scanditronix, Wellhofer) was used for all measurements. To measure the Sc , miniphantom was positioned in a stand vertical to the beam central axis. The data indicate that the Sc measurements using different buildup cap materials and thicknesses in 5 * 10, 7.5 * 7.5, and two 10 * 10 cm Cerrobend shield blocks ranged 0.98 to 1.00, 1.04 to 1.05, and 1.04 to 1.06, respectively. Also, it was observed that by increasing the block shield area from 50 cm2 to both 56.25 and 100 cm2, the Sc increased in all situations. Results showed that using Brass compared to Perspex and Copper has less uncertainty due to its simple preparation and cutting which is useful to measurement of variations in collimator Sc and shaping the photon beam. PMID- 29204383 TI - Hand-arm Vibration Effects on Performance, Tactile Acuity, and Temperature of Hand. AB - Effects of vibration appear as mechanical and psychological disorders, including stress reactions, cognitive and movement disorders, problem in concentration and paying attention to the assigned duties. The common signs and symptoms of hand arm vibration (HAV) in the fingers and hands may appear as pins and needles feeling, tingling, numbness, and also the loss of finger sensation and dexterity. Laboratory Virtual Instrument Engineering Workbench programming software designed for occupational vibrations measurement was used to calculate HAV acceleration. Hole steadiness test is designed to measure involuntary movement of people. V Pieron test is designed for one of the other aspects of the psycho motor phenomena of steadiness by moving the stylus across a V-form ruler. The two points test was an experiment of touch acuity, which used a caliper by placing the two styli very close on the pad of finger knuckles. The temperature of finger skin is also measured simultaneous to the above tests. Wilcoxon test indicated that a significant decrement in hand steadiness occurred after gripping a vibrating handle for 2 min (P <= 0.003). Wilcoxon test also represented a significant change in errors after gripping a grinder vibratory handle (P <= 0.003). The differences at all of the knuckles were significant with a confidence interval percentage of 99%. There was a significant reduction in finger skin temperature before and after exposure to vibration (mean = 0.45 degrees C, based on paired sample test). The obtained results considerably demonstrated the relation between hand performance and vibrations due to gripping a grinder. It can be concluded that an injury or accident may happen after exposure to vibrations for the fine duties, in fast actions. PMID- 29204384 TI - Approach to a Child with Primary Immunodeficiency Made Simple. AB - Primary immunodeficiency disorders (PIDs) are a group of disorders affecting the capability to fight against infection. These include defects in T cells and B cells affecting cell-mediated and humoral immunity, respectively, combined humoral and cell-mediated immunodeficiency, defects in phagocytosis, complement defects, and defects in cytokine or cytokine signalling pathways which are detrimental for immune function. Depending upon the type and severity, age at onset of symptoms can vary from neonatal period to late childhood. Clinically, this group of disorders can involve any organ system of an individual such as respiratory system, gastrointestinal system, skin and mucous membrane, bone and joints, endocrine organs, and nervous system. Common dermatological manifestations include eczema, warts, molluscum contagiosum, mucocutaneous candidiasis, recurrent nonhealing ulcers, skin abscesses, erythroderma, petechiae, and nail changes. The common skin manifestations of various PIDs include eczema (seen in Wiskott-Aldrich syndrome and autosomal dominant hyper IgE syndrome); erythroderma (in Omen syndrome); viral warts or molluscum contagiosum (in autosomal recessive hyper IgE syndrome); chronic mucocutaneous candidiasis (in hyper IgE syndrome, autoimmune polyendocrinopathy candidiasis ectodermal dysplasia syndrome, Th17 cell defects); recurrent nonhealing ulcers (in leucocyte adhesion defect); skin abscesses (in antibody defects, hyper IgE syndrome, and chronic granulomatous disease); petechial or purpuric spots (in Wiskott-Aldrich syndrome). PMID- 29204386 TI - Identification of Genotypes and Allelic Frequencies of Vitamin D Receptor Gene Polymorphism (TaqI) in Egyptian Melasma Patients. AB - Background: Melasma is a characteristic pattern of facial hyperpigmentation, occurring primarily on the forehead, cheeks, and chin, in a mask-like distribution. The pathogenesis of melasma is not fully understood. Vitamin D plays a role in skin pigmentation. It exerts its effect through vitamin D receptor (VDR), which is expressed in variable cells including normal melanocytes. Aim and Objective: The aim of the current work was to investigate if VDR gene polymorphism (TaqI) confers susceptibility to melasma in Egyptian patients. Materials and Methods: A total of 45 female patients with melasma were recruited and 50 healthy subjects that were matched on age, sex, body mass index, and skin phototype, were included as a control group. TaqI polymorphism was investigated using restriction fragment length polymorphism polymerase chain reaction (RFLP PCR). Results: Presence of (t) allele and (tt) genotype was significantly associated with melasma cases compared with control group (P < 0.001 for both). No significant association was found between (tt) genotype or (t) allele and clinical data of the studied cases. Conclusion: TaqI polymorphism is associated with melasma. Further, large-scale studies are recommended to underscore and validate the current findings. It is also necessary for future studies to extend the research to other populations and ethnicities. Investigating other VDR gene polymorphisms in melasma is also warranted. Since melasma is a multifactorial disease, gene-gene and gene-environment interactions should be considered in future genetic-epidemiologic researches to apply more comprehensive insight into the role of VDR gene in its pathogenesis. PMID- 29204387 TI - Pattern of Skin Diseases and Occupational Dermatoses in Veterinarians and Veterinary Workers of Kashmir. AB - Background: Across the globe, skin disorders represent a frequent occupational concern for many health professionals including veterinarians and there is a serious impact of skin diseases on their lives and careers. But little is known about the prevalence and distribution of skin diseases (especially occupational) within this important professional group across Asia, especially India. Materials and Methods: The study was a cross-sectional study carried out over a period of one year in which veterinarians and veterinary workers of Kashmir valley were screened for various skin diseases and occupational dermatoses. Results: The study group comprised 910 veterinarians and associated workers working across the valley with the majority being males; 846 workers (93%). The mean age of the group was 38.53 years. Out of these, 267 veterinarians and associated workers (29.3%) were found to have skin lesions. Of the 267 cases, 165 (61.80%) had non infectious lesions, while the rest had 102 (38.20%) had infectious skin diseases. The main non-infectious lesions included friction-related disorders, eczemas, pigmentary disorders, papulosquamous disorders, and many others; while the infectious lesions were of fungal, bacterial, viral, and parasitic etiology. Fungal infections, eczemas, and melasma were more common in them, indicating an occupational etiology. Conclusion: A huge group of skin diseases was seen in veterinarians and veterinary workers, with some diseases showing an occupational nature. To reduce the burden of skin diseases in this particular group, proper prevention measures need to be instituted at work places by veterinary governing bodies of the state. PMID- 29204385 TI - Evidence-based Review, Grade of Recommendation, and Suggested Treatment Recommendations for Melasma. AB - Treatment of melasma is known to be less satisfactory, often incomplete, and relapse is frequent. Although many treatment options are available, they are either known to be unsafe on long-term use or their long-term safety profile is unknown. Patients often use various drugs, even topical steroid-based preparation without any medical supervision for long period of time, making the skin unsuitable for many of the drugs available. Thus, there has been gross disparity among the treating physician about what drugs and what regimen are best suitable for various categories of melasma patients and in different situations. With this background, numerous newer drugs, mostly combinations of some proprietary molecules or even unknown plant extracts, have flooded the market for the management of melasma. Information on efficacy or safety of these products are almost unknown. Studies on Asian people, especially Indian population, are far less commonly available. Therapeutic guideline for use on Indian patients with melasma is almost missing. Extrapolation of data from Caucasian people for use on Asian people may not be scientifically justifiable because Caucasian and Asian people are known to have inherent difference in their response as well as tolerance to the drugs used for melasma. With this background, we have extensively evaluated, following a strict, scientifically designed protocol, all the available studies on melasma management till May 2016 and prepared this document on level of evidence, grade of recommendation and suggested therapeutic guideline for melasma as per the method proposed by Oxford Centre of Evidence Based Medicine. Various ethical, social, logical, regional, and economic issues in the context of Indian and similar populations were given due importance while preparing the suggested therapeutic recommendation. PMID- 29204388 TI - Clinic-based Group Multi-professional Education Causes Significant Decline in Psoriasis Severity: A Randomized Open Label Pilot Study. AB - Background: The evidence for efficacy of psychoeducational interventions in psoriasis is not well researched. Objective: The objective of this study was to assess the benefits of a group, multi-professional, psychoeducational training in psoriasis. Materials and Methods: Adults with moderate-to-severe psoriasis were randomized into psychoeducational intervention plus treatment (intervention arm [IA]) and treatment as usual alone (control arm [CA]) groups using random number tables. The primary efficacy measures were mean changes in Psoriasis Area Severity Index (PASI) and Dermatology Life Quality Index (DLQI) at 6months from the end of intervention. The secondary efficacy measures were the mean changes in the WHO-5 well-being index (WHO-5) and the subsets of the patient health questionnaire (PHQ), namely, PHQ-9, generalized anxiety disorder (GAD)-7, andPHQ 15. Datawere analyzed by intention-to-treat analysis. Results: One-hundred and three participants were randomized into IA (n = 54) and CA (n = 49). The prevalence of psychiatric disorders in the entire population was 26.2% and was similar in both groups. Following intervention, there was statistically significant improvement in the mean scores in PASI, DLQI, and WHO-5 in the IA unlike that seen in the CA. There was statistically significant improvement in PHQ-9 scores in IA and CA. The scores on PHQ-15 and GAD-7 did not show any change. Intergroup comparisons showed that PASI was reduced significantly in IA as compared to CA. More participants in CA dropped out of the study than in the IA. Limitations: Modest sample size and lack of blinding of the participants and the administrators were the limitations of this study. Conclusion: Group psychoeducational intervention resulted in overall improvement in both clinical and psychological outcome measures in psoriasis patients. PMID- 29204390 TI - Platelet-rich Plasma by Single-spin Process in Male Pattern Androgenetic Alopecia: Is it an Effective Treatment? PMID- 29204389 TI - Platelet-rich Plasma by Single Spin Process in Male Pattern Androgenetic Alopecia: Is it an Effective Treatment? AB - Introduction and Objective: Platelet-rich plasma (PRP) is an autologous preparation of platelets in concentrated plasma. The platelet is a natural source of different growth factors and cytokines. These growth factors act on stem cells in the bulge area of the follicles and stimulate the development of new follicles, and promote neovascularization. The aim of this study was to investigate the efficacy and safety of PRP injections in androgenetic alopecia (AGA) in men. Patients and Methods: Fifteen male patients (mean age: 39 +/- 9.7 years) with AGA grades III-VI were enrolled in the study. Five injections of 2-4 ml PRP (Regenlab PRP Kit-RegenACR(r), Le Mont-sur-Lausanne Switzerland) by single spin process were administered every 2 weeks. Standard photographs, trichogram, and measurement of hair density and diameter in an area marked with a tattoo (with digital photographic hair analyzer) were done at baseline and 3 months after the last injection. In addition, patients completed a patient satisfaction questionnaire at each visit on a -2 to +2 score (-2: much worse, -1: slightly worse, 0: without change, +1: slightly better, +2: much better). Results: Thirteen patients completed the study. The number of hairs increased slightly from 149.62 +/- 49.56 to 168.46 +/- 43.703/cm2, however, this increase was not statistically significant (P = 0.24). On the other hand, the thickness of hairs decreased from 0.051 +/- 0.105 to 0.045 +/- 0.011 mm, which was also not significant (P = 0.37). There was a significant decrease in anagen hairs and increase in telogen hairs, and anagen/telogen ratio decreased significantly from 6.38 +/- 4.57 to 2.67 +/- 1.87 (P = 0.003). Conclusion: Our study could not show any benefit from PRP injections in the treatment of male AGA. There is a strong need for well-designed, randomized controlled trials with large sample size, proper control group, standard treatment protocols (concerning the amount, number and interval of PRP injections, method of preparation and activation, etc.), and long follow-up periods to evaluate the safety and efficacy of PRP in the treatment of male AGA. PMID- 29204391 TI - Mean Platelet Volume: A Reliable Marker of Inflammation in Recurrent Apthous Stomatitis and Behcet Disease? AB - Background: Mean platelet volume (MPV) is an indicator of platelet activation and aggregation. MPV has been found to be related with the inflammation of certain disorders in recent studies. Aims: We sought to investigate whether MPV could be an indicator of inflammation in patients with Behcet disease (BD) and recurrent apthous stomatitis (RAS). Materials and Methods: Our study was designed as a retrospective case-control study and data was retrieved from our institutional database. We randomly generated a total of three study groups from our clinical archive. All controls were sex and age-matched and randomly selected by computer. Eighty-five patients with BD, 82 patients with RAS, and 721 healthy controls were included for the study design. We compared mean MPV values in the patient groups and controls. Results: We found no difference in the mean MPV value between BD group and BD-control group. The mean MPV value was significantly higher in patients with RAS than that in the RAS-control group (9.11 +/- 1.01 fL vs. 8.76 +/- 1.15 fL, P = 0.045). There was no difference in mean MPV level between BD and RAS group. Conclusion: The association between MPV and inflammatory skin diseases such as BD and RAS should be investigated prospectively in case-control studies. Limitations: Retrospective study design. PMID- 29204392 TI - Subungual Melanoma is Not so Rare: Report of Four Cases from India. AB - Subungual melanoma (SUM) is an uncommon form of acral melanoma that arises within the nail matrix. The incidence for acral melanomas is similar worldwide, however, the proportion is higher in dark-skinned individuals. The subungual form represents approximately 2% of cutaneous non-sun-induced melanomas in the western world and up to 75% in Africans, 10% in Japanese, and 25% in the Chinese. No specific figures are available from the Indian subcontinent; however, the authors could trace three anecdotal case reports published over the last two decades. A general reluctance to biopsy a nail lesion to confirm the diagnosis may be contributing to the missed diagnosis. We report four cases of SUM of the big toenails seen over a period of 2.5 years. They were three women and one man with an age ranging from the 4th to 7th decade and disease duration of 6-18 months. The lesion involved the big toe in all and two patients had liver and lymph node metastasis at the time of presentation. Awareness among dermatologists regarding clinical manifestations, high index of suspicion for acral pigmented lesions, and nail bed biopsy may help in the early diagnosis and management and can prevent mortality. PMID- 29204393 TI - Lymphocutaneous Sporotrichosis Treated with Potassium Iodide with Development of Subclinical Hypothyroidism: Wolff-Chaikoff Effect? AB - Sporotrichosis is a subcutaneous mycotic infection caused by Sporothrix schenckii that is acquired by traumatic implantation. The diagnosis is established by demonstration of fungal elements on histopathology and culture. Potassium iodide, azole antifungals, and terbinafine are the treatment options available. In this article, we report a 60-year-old female with lymphocutaneous sporotrichosis that responded well to potassium iodide. However, subclinical hypothyroidism (Wolff Chaikoff effect) was encountered as a side effect of therapy which was managed with thyroxine replacement. Knowledge about the Wolff-Chaikoff effect (WCE) is important for the dermatologist and reinforces the need for screening and monitoring of thyroid stimulating hormone (TSH) in patients where long duration therapy is being planned. PMID- 29204394 TI - Paraneoplastic Pemphigus with Underlying Retroperitoneal Inflammatory Myofibroblastic Tumor: A Case Report and Review of the Literature. AB - Inflammatory myofibroblastic tumor (IMT) is a peculiar low-grade neoplasm of spindle cell fibroblasts and myofibroblasts in an inflammatory background. The lung is the most common site of involvement. Here, we report a case of paraneoplastic pemphigus (PNP)-associated with an extensive retroperitoneal IMT. The patient had a favourable response following treatment with a low dose of systemic steroid, mycophenolate mofetil, and intravenous immunoglobulin (IVIG). He subsequently underwent surgery for resection of the tumor with nephrectomy and five courses of IVIG were administered after surgery due to a minor relapse. He was in remission in her last follow-up visit 16 months after surgery. The occurrence of PNP with IMT is notable; early detection and treatment are crucial for this tumor-associated autoimmune disease. PMID- 29204396 TI - Development of a Simple Smartphone Adapter for Digital Photomicrography. PMID- 29204395 TI - Mutilating Keratoderma with Concomitant Alopecia and Keratoses Follicularis Spinulosa Decalvans: X-Linked Olmsted Syndrome and its Response to Isotretinoin. AB - We report a case of mutilating keratoderma with alopecia and keratoses follicularis spinulosa decalvans (KFSD), which was initially diagnosed as ectodermal dysplasia and Olmsted syndrome but was revisited as a case of X-linked Olmsted (XLO) syndrome. We focus on this uncommon entity (XLO) to highlight the differentials of alopecia with palmoplantar keratoderma. PMID- 29204397 TI - Follicular Dowling-Degos Disease: A Rare Pigmentary Dermatosis. PMID- 29204398 TI - Adult-onset Hydroa Vacciniforme: A Rare Occurrence or a Lymphoma Premonition? PMID- 29204399 TI - Cutaneous angiosarcoma of scalp. PMID- 29204401 TI - Dermatofibrosarcoma Protuberans. PMID- 29204400 TI - Current Scenario of Childhood Leprosy at a Tertiary Care Hospital in Southern Rajasthan. PMID- 29204402 TI - Blaschko-linear Syringocystadenoma Papilliferum: A Peculiar Presentation. PMID- 29204403 TI - Immunofluorescence and Immunohistochemistry in Macular Amyloidosis: An Observational Study. PMID- 29204404 TI - Symmetric Drug-related Intertriginous and Flexural Exanthema due to Itraconazole: An Uncommon Side Effect of a Commonly Used Drug. PMID- 29204405 TI - Pseudoverrucous Papules and Nodules in an Infant with Penoscrotal Hypospadiasis. PMID- 29204406 TI - Acquired smooth muscle hamartoma of foot: A rare entity. PMID- 29204407 TI - Giant Chronic Cutaneous Leishmaniasis: Case Report of an Unusual. PMID- 29204408 TI - Necrotic Erythema Nodosum Leprosum Healing with Extensive Scars. PMID- 29204409 TI - Papular Granuloma Annulare of Palms and Soles. PMID- 29204410 TI - Noise Removal in Dermoscopic Images Using a Novel Software. PMID- 29204411 TI - Utility of Direct Immunofluorescence in the Diagnosis of Small Vessel Vasculitis of the Skin: A Cross-Sectional Study. PMID- 29204412 TI - SkIndia Quiz 42: Multiple Slow-growing Papulonodular Lesions Over the Nose. PMID- 29204413 TI - Smegma pearl. PMID- 29204414 TI - Gardner diamond syndrome: A psychogenic purpura. PMID- 29204415 TI - Dermoscopy of Pyogenic Granuloma. PMID- 29204416 TI - Dermoscopy of Melasma. PMID- 29204417 TI - Dermatophytosis: Fighting the Challenge: Conference Proceedings and Learning Points. September 2-3, 2017, PGIMER, Chandigarh, India. PMID- 29204418 TI - Comparison between anterior segmental osteotomy versus conventional orthodontic treatment in root resorption: a radiographic study using cone-beam computed tomography. AB - Background: Patients who received orthodontic treatment are likely to have apical root shortening. It appears that external apical root resorption results from a combination of patient-related risk factors such as genetic influences, systemic factors, and orthodontic treatment-related factors. Regarding the fact that the anterior segmental osteotomy (ASO) has been known for its possibility of complementing external apical root resorption and of buffering periodontal problems, it has been the preferred treatment. However, the studies on the efficacy of ASO in preserving the root are not sufficient. In this study, we compared the amount of root resorption between the patients who only received orthodontic treatment and the patients who received orthodontic treatment with ASO. Methods: This study included 28 patients (the number of incisor = 198) who received orthodontic treatment with or without ASO. We categorize them into groups A and B by the type of orthodontic treatment (group A: conventional orthodontic treatment; group B: orthodontic treatment with ASO). Cone-beam computed tomographic and cephalometric evaluations were retrospectively performed on the radiographs taken for the diagnosis of the treatment before treatment and at the end of active treatment. Results: In group B, root resorption itself and its rate both turned out to have significantly lower than those in group A. Also, the change of incisal angle is significantly smaller in group B than in group A. On the other hand, in group A, the change of incisal angle was positively correlated with the change of AP (anteroposterior) position. In group B, the change of incisal angle was negatively correlated with the duration of the orthodontic treatment. In group B, amount of root resorption (mm) was positively correlated with the duration of the orthodontic treatment. Conclusions: The results show lesser root resorption and shorter treatment duration with ASO than with conventional orthodontic treatment. Therefore, if the indications are accurately determined, ASO can be an effective treatment option when the amount of root resorption is expected to be high, especially in late adults. PMID- 29204419 TI - Treatment of dental implant displacement into the maxillary sinus. AB - Background: Displacement of dental implants into the maxillary sinus is rare, but it primarily occurs in patients with severe pneumatization of the maxillary sinus and/or deficiency of the alveolar process. Some complications such as the infection of the paranasal sinuses and formation of the oroantral fistula can be followed by the displacement of a dental implant. Therefore, the displaced implant has to be removed immediately with surgical intervention show and another plan for rehabilitation should be considered. Main body: The conventional procedure for the removal of a displaced implant from the maxillary sinus involves sinus bone grafting and new implant placement performed in two or more steps with a significant time gap in between. Simplification of these surgical procedures can decrease the treatment duration and patient discomfort. Conclusions: In this review, we discuss the anatomical characteristics of the maxillary sinus and the complications associated with implant displacement into the sinus. PMID- 29204420 TI - Editorial: International Perspectives on Health and Safety among Dairy Workers: Challenges, Solutions and the Future. PMID- 29204421 TI - Weight-Related Barriers for Overweight Students in an Elementary Physical Education Classroom: An Exploratory Case Study with One Physical Education Teacher. AB - Introduction: As physical performance may be more difficult for overweight children than for their non-overweight peers, understanding how weight impacts student performance in the physical education (P.E.) classroom could inform school-based obesity prevention programming. Materials and methods: This qualitative case study examined one elementary physical educator's perspectives of overweight students' weight-related experiences in her classroom. Narratives were elicited during an in-depth interview and analyzed using structural and thematic analyses. We utilized the social cognitive theory to inform our exploration of the narratives. Findings: The thematic analysis illuminated a behavioral pattern of student refusal to participate in the P.E. classroom while the structural analysis emphasized the teacher's constructive, individualized responses to participation refusals. Combined, the two analytic techniques provided a more holistic snapshot of the experiences of overweight students in this elementary school. In addition, a preliminary model explaining the behavioral pattern among overweight students in this particular P.E. classroom was created. Discussion: Students who were overweight were more likely to initially refuse to attempt physical tasks in the classroom because they feared peer ridicule, and the teacher played a critical role in whether these students chose to participate in subsequent classes. As agents of change, P.E. educators should be included in formative stages of comprehensive, systemic changes to combat childhood obesity. PMID- 29204422 TI - Discovering Novel Alternaria solani Succinate Dehydrogenase Inhibitors by in Silico Modeling and Virtual Screening Strategies to Combat Early Blight. AB - Alternaria blight is an important foliage disease caused by Alternaria solani. The enzyme Succinate dehydrogenase (SDH) is a potential drug target because of its role in tricarboxylic acid cycle. Hence targeting Alternaria solani SDH enzyme could be efficient tool to design novel fungicides against A. solani. We employed computational methodologies to design new SDH inhibitors using homology modeling; pharmacophore modeling and structure based virtual screening. The three dimensional SDH model showed good stereo-chemical and structural properties. Based on virtual screening results twelve commercially available compounds were purchased and tested in vitro and in vivo. The compounds were found to inhibit mycelial growth of A. solani. Moreover in vitro trials showed that inhibitory effects were enhanced with increase in concentrations. Similarly increased disease control was observed in pre-treated potato tubers. Hence the applied in silico strategy led us to identify novel fungicides. PMID- 29204423 TI - Dual Coating of Liposomes as Encapsulating Matrix of Antimicrobial Peptides: Development and Characterization. AB - Antimicrobial peptides have been proposed as a potential biopreservatives in pharmaceutical research and agribusiness. However, many limitations hinder their utilization, such as their vulnerability to proteolytic digestion and their potential interaction with other food ingredients in complex food systems. One approach to overcome such problems is developing formulations entrapping and thereby protecting the antimicrobial peptides. Liposome encapsulation is a strategy that could be implemented to combine protection of the antimicrobial activity of the peptides from proteolytic enzymes and the controlled release of the encapsulated active ingredients. The objective of this study was to develop dual-coated food grade liposome formulations for oral administration of bacteriocins. The formulations were developed from anionic and cationic phospholipids as models of negatively and positively charged liposomes, respectively. Liposomes were prepared by the hydration of lipid films. Subsequently, the liposomes were coated with two layers comprising a biopolymer network (pectin) and whey proteins (WPI) in order to further improve their stability and enable the gradual release of the developed liposomes. Liposomes were characterized for their size, charge, molecular structure, morphology, encapsulation efficiency, and release. The results of FTIR, zeta potential, size distribution, and transmission electron microscopy (TEM) confirmed that the liposomes were efficiently coated. Ionic interactions were involved in the stabilization of the positively charged liposome formulations. Negatively charge liposome formulations were stabilized through weak interactions. The release study proved the efficiency of dual coating on the protection of liposomes against gastrointestinal digestion. This work is the first to study the encapsulation of antimicrobial peptides in dual-coated liposomes. Furthermore, the work successfully encapsulated MccJ25 in both negative and positive liposome models. PMID- 29204425 TI - Continuous Non-Invasive Arterial Pressure Assessment during Surgery to Improve Outcome. AB - Blood pressure (BP) is one of the most important variables evaluated during almost every medical examination. Most national anesthesiology societies recommend BP monitoring at least once every 5 min in anesthetized subjects undergoing surgical procedures. In most cases, BP is monitored non-invasively using oscillometric cuffs. Although the risk of arterial cannulation is not very high, the invasive BP monitoring is usually indicated only in the case of high risk patients or in complex surgical procedures. However, recent evidence points out that when using intermittent BP monitoring short periods of hypotension may be overlooked. In addition, large datasets have demonstrated that even short periods of low BP (or their cumulative duration) may have a detrimental impact on the development of postoperative outcome including increased risk of acute kidney or myocardial injury development. Recently marketed continuous non-invasive blood pressure monitoring tools may help us to recognize the BP fluctuation without the associated burden of arterial cannulation filling the gap between intermittent non-invasive cuff and continuous invasive arterial pressure. Among others, several novel devices based either on volume clamp/vascular unloading method or on applanation tonometry are nowadays available. Moreover, several near-future smart technologies may lead to better hypotension recognition or even prediction potentially improving our ability to maintain BP stability throughout the anesthesia or surgical procedure. In this review, novel or emerging technologies of non-invasive continuous blood pressure assessment and their potential to improve postoperative outcome are discussed. PMID- 29204424 TI - 3-D Bioprinting of Neural Tissue for Applications in Cell Therapy and Drug Screening. AB - Neurodegenerative diseases affect millions of individuals in North America and cost the health-care industry billions of dollars for treatment. Current treatment options for degenerative diseases focus on physical rehabilitation or drug therapies, which temporarily mask the effects of cell damage, but quickly lose their efficacy. Cell therapies for the central nervous system remain an untapped market due to the complexity involved in growing neural tissues, controlling their differentiation, and protecting them from the hostile environment they meet upon implantation. Designing tissue constructs for the discovery of better drug treatments are also limited due to the resolution needed for an accurate cellular representation of the brain, in addition to being expensive and difficult to translate to biocompatible materials. 3-D printing offers a streamlined solution for engineering brain tissue for drug discovery or, in the future, for implantation. New microfluidic and bioplotting devices offer increased resolution, little impact on cell viability and have been tested with several bioink materials including fibrin, collagen, hyaluronic acid, poly(caprolactone), and poly(ethylene glycol). This review details current efforts at bioprinting neural tissue and highlights promising avenues for future work. PMID- 29204426 TI - Burden among Family Caregivers of Dementia in the Oldest-Old: An Exploratory Study. AB - Background: With >85 years, the fastest growing age segment in developed countries, dementia in the oldest-old is projected to increase exponentially. Being older, caregivers of dementia in oldest-old (CDOO) may experience unique challenges compared with younger-age groups. Thus, we aim to explore demographic characteristics and burden pattern among CDOO. Methods: We studied 458 family caregiver-patient dyads attending an outpatient memory clinic. We classified patients into three age-groups: <75, 75-84, and >=85 years. We measured caregiver burden using the Zarit Burden Interview (ZBI) 4-factor structure described by Cheah et al. (1). We compared care recipient characteristics, caregiver demographics, and ZBI total/factors scores between the three age-groups, and performed 2-way analysis of variance (ANOVA) to ascertain the effect of age-group by disease severity interaction. Results: Oldest-old care recipients were more impaired in cognitive function and instrumental ADL; there was no difference in behavior and basic ADL. Compared with the other two age-groups, CDOO were older (mean age: 50.4 vs 55.5 vs 56.8 years, P < 0.01), and overwhelmingly adult children (85.9%) as opposed to spouses (5.3%). CDOO also had higher ZBI total score, role strain, and personal strain (all P < 0.05). However, there was no difference in worry about performance scores. 2-way ANOVA did not reveal significant age-group by disease severity interaction for ZBI total and factor scores, although distinctive differences were seen between role/personal strain with worry about performance in mild cognitive impairment and very mild dementia. Conclusion: Our study highlighted that CDOO were mainly older adult children who experienced significant role and personal strain independent of disease severity while caring for their family member with more impaired cognitive and physical function. These results pave the way for targeted interventions to address the unique burden faced by this rapidly growing group of caregivers. PMID- 29204427 TI - Natural killer cells activity in a metastatic colorectal cancer patient with complete and long lasting response to therapy. AB - Here we report a case of a 70-year-old man who received adjuvant chemotherapy with fluorouracile, folinic acid and oxaliplatin after a left hemicolectomy for a stage IIIb adenocarcinoma in May 2009. During follow-up he de-veloped abdominal lymphnodes metastases evidenced by positron emission tomography- computed tomography (PET-CT) scan and increase of carcinoembryonic antigen (CEA) level. Chemotherapy with capecitabine, oxaliplatin and bevacizumab was started in April 2012. Restaging showed a complete response and normalization of CEA. The patient received maintenance therapy with bevacizumab which was stopped in December 2013 for patient choice. In October 2014, a new increase in CEA was documented and PET CT scan showed lung metastases. Analysis of RAS status revealed the absence of mutations, then the patient started a second-line chemotherapy with fluorouracile, folinic acid, irinotecan (folfiri) and panitumumab achieving, in January 2015, a complete response and normalization of CEA. Thereafter, folfiri was discontinued for toxicity; furthermore, upon the third occurrence of a grade 3 dermatologic toxicity, panitumumab was continued from June 2015 at 60% of the original dose and it was administered every three weeks. Until presentation of this case, the patient maintains a complete response, has no symptoms of disease and CEA is normal. Interestingly, this patient presented a high proportion of circulating natural killer (NK) cells (35.1%) with high cytotoxic activity against tumor cells. Study on the role of NK in patients with advanced colorectal cancer are ongoing. PMID- 29204428 TI - Case of gastric neuroendocrine carcinoma showing an interesting tumorigenic pathway. AB - Here, we report a case of gastric neuroendocrine carcinoma showing an interesting tumorigenic pathway. A 57-year-old Japanese woman presented with epigastric tenderness, and distal gastrectomy was performed. In the surgical specimen, histologically, the tumor tissue was composed of three subtypes of tumor components showing different histological architecture and cellular atypia, diagnosed as neuroendocrine tumor (NET) G2, NET G3, and neuroendocrine carcinoma (NEC) components. Immunohistochemically, the Ki-67-positive rates of NET G2, NET G3, and NEC components were 6.5%, 99.5% and 88.1%, respectively. Although allelic imbalance (AI) on chromosomes 1p, 3p, 8q, TP53, 18q and 22q was commonly found in all components, AI of 4p was found in NET G3 and NEC components (but not in the NET G2 component). In contrast, AIs of 5q and 9p were found in only the NEC component. Thus, we showed the progression from NET G2 to NEC, via NET G3, within the same tumor. PMID- 29204429 TI - Acid suppressive therapy improved symptoms due to circumferential cervical inlet patch with proton pumps (H+/K+-ATPase). AB - Cervical inlet patch (CIP), also referred to as esophageal heterotopic gastric mucosa, is regarded as the residue of columnar epithelium of the embryonic esophagus. Narrow band imaging increases the detection rate of CIP. Herein, we present a 55-year-old man with symptomatic circumferential inlet patch. He exhibited globus and dysphagia, and esophagogastroduodenoscopy found cir cumferential CIP, where im-munohistochemistry revealed the existence of pro-ton pumps (H+, K+-ATPase). His throat symptoms were relieved by acid suppressive therapy with pump inhibitors. This case indicated that CIP should be considered as a differential diagnosis for the cause of globus symptoms in rare cases. PMID- 29204430 TI - Carbamylation/citrullination of IgG Fc in bronchiectasis, established RA with bronchiectasis and RA smokers: a potential risk factor for disease. AB - Bronchiectasis (BR) and smoking are risk factors for rheumatoid arthritis (RA) development. The mechanisms by which smoking and BR trigger RA are unknown, but are associated with concurrent rheumatoid factor (RF) and anti-cyclic citrullinated peptide antibody (anti-CCP) positivity. Anti-carbamylated protein antibodies (anti-CarP) have also been observed in BR patients and can be induced by smoking. Given that RF only has one antigen, immunoglobulin G (IgG) we have suggested that post-translational modifications to the Fc region of the heavy chain of IgG (IgGH) are a potential explanation for the clustering of the RA associated autoantibodies in RA. Protein analysis was undertaken on 22 individuals. Four of the individuals had a diagnosis of BR at the time of protein analysis and subsequently developed RA up to 18 months following blood sampling. Four smoking RA patients and 4 patients with both BR and RA and 10 healthy controls were also studied. We identified modified arginines (Arg) frequently in the variable region and CH3 domains of IgG in patients and control subjects alike, but only observed carbamylated Lys and/or citrullinated Arg modifications in the RF binding site of the IgG CH2 domain of 5/12 (41.7%) patients investigated (1 BR, 2 RA and 2 BRRA), but in no control subjects (0/10, 0%) p=0.02. This is the first report of citrullination and carbamylation at the RF binding site of IgG in RA. These results point towards the concept of a universal antigen in RA, an antigen that is post-translationally modified at the Fc region of IgGH. PMID- 29204431 TI - Efficacy of ventilator waveform observation for detection of patient-ventilator asynchrony during NIV: a multicentre study. AB - The objective of this study was to assess ability to identify asynchronies during noninvasive ventilation (NIV) through ventilator waveforms according to experience and interface, and to ascertain the influence of breathing pattern and respiratory drive on sensitivity and prevalence of asynchronies. 35 expert and 35 nonexpert physicians evaluated 40 5-min NIV reports displaying flow-time and airway pressure-time tracings; identified asynchronies were compared with those ascertained by three examiners who evaluated the same reports displaying, additionally, tracings of diaphragm electrical activity. We determined: 1) sensitivity, specificity, and positive and negative predictive values; 2) the correlation between the double true index (DTI) of each report (i.e., the ratio between the sum of true positives and true negatives, and the overall breath count) and the corresponding asynchrony index (AI); and 3) the influence of breathing pattern and respiratory drive on both AI and sensitivity. Sensitivities to detect asynchronies were low either according to experience (0.20 (95% CI 0.14 0.29) for expert versus 0.21 (95% CI 0.12-0.30) for nonexpert, p=0.837) or interface (0.28 (95% CI 0.17-0.37) for mask versus 0.10 (95% CI 0.05-0.16) for helmet, p<0.0001). DTI inversely correlated with the AI (r2=0.67, p<0.0001). Breathing pattern and respiratory drive did not affect prevalence of asynchronies and sensitivity. Patient-ventilator asynchrony during NIV is difficult to recognise solely by visual inspection of ventilator waveforms. PMID- 29204432 TI - Caspase-1 deficiency reduces eosinophilia and interleukin-33 in an asthma exacerbation model. AB - Rhinovirus infections are common triggers of asthma exacerbations. Viruses can activate the inflammasome, resulting in processing and activation of caspase-1. This recruitment triggers production of interleukin (IL)-1beta and IL-18, which have been implicated in asthma. Elucidating the involvement of the inflammasome and its compartments, such as caspase-1, in asthma exacerbations is warranted. Gene expression of caspase-1 was measured in rhinovirus-infected primary bronchial epithelial cells of asthmatic and healthy donors 24 h post-infection. In an in vivo exacerbation experiment C57BL/6 wild-type and caspase-1-/- mice were challenged with house dust mite followed by exposures to the viral mimic poly(I:C). General lung inflammatory parameters and levels of T-helper type 2 (Th2)-upstream cytokines IL-33, thymic stromal lymphopoietin (TSLP) and IL-25 were assessed. Caspase-1 expression was elevated after rhinoviral infection exclusively in bronchial epithelial cells from asthmatics. In a translational mouse model of asthma exacerbation effects of caspase-1 on airway inflammation and Th2-upstream cytokines were explored. Caspase-1 deficient mice exhibited no alterations of general lung inflammatory parameters, but showed markedly reduced eosinophilia. Furthermore, the Th2-upstream cytokines IL-33, TSLP and IL-25 were reduced at exacerbation in mice lacking caspase-1. Rhinovirus infection increases bronchial epithelial caspase-1 in asthma. Caspase-1 may induce production of lung Th2-upstream cytokines and eosinophilia at exacerbations. Further targeting of caspase-1 signalling is warranted to explore its role in asthma exacerbations. PMID- 29204433 TI - Adaptive servoventilation in clinical practice: beyond SERVE-HF? AB - Adaptive servoventilation (ASV) has proven effective at suppressing breathing disturbances during sleep, improving quality of life and cardiac surrogate parameters. Since the publication of the SERVE-HF-trial, ASV became restricted. The purpose of this study was to evaluate the clinical relevance of the SERVE-HF inclusion criteria in real life and estimate the portion of patients with these criteria with or without risk factors who are undergoing ASV treatment. We performed a retrospective study of all patients who were treated with ASV in a university-affiliated sleep laboratory. We reviewed the history of cardiovascular diseases, echocardiographic measurements of left ventricular ejection fraction (LVEF) and polysomnography. From 1998 to 2015, 293 patients received ASV, of which 255 (87.0%) had cardiovascular diseases and 118 (40.3%) had HF. Among those with HF, the LVEF was <=45% in 47 patients (16.0%). Only 12 patients (4.1%) had LVEF <30%. The SERVE-HF inclusion criteria were present in 28 (9.6%) ASV recipients. Of these patients, 3 died within 30-58 months of therapy, all with systolic HF and a LVEF <30%. In this study, only a small minority of ASV patients fell in the risk group. The number of fatalities did not exceed the expected mortality in optimally treated systolic HF patients. PMID- 29204434 TI - A qualitative study of patients' experiences of participating in SPACE for COPD: a Self-management Programme of Activity, Coping and Education. AB - The aim of this study was to understand experiences of participation in a supported self-management programme for chronic obstructive pulmonary disease (COPD). There is a wealth of clinical trials examining the outcomes of self management interventions for individuals with COPD, but current understanding regarding patients' perspectives of such complex interventions is limited. Further insight may help to tailor self-management interventions and maximise patient engagement. Semi-structured interviews were conducted with individuals participating in a self-management programme, SPACE for COPD. Interviews took place at 6 weeks and 6 months following the programme. Data were analysed at each time point using inductive thematic analysis, and subsequently re-examined together. 40 interviews were undertaken and four themes emerged from the analysis: perceptions of the programme; lifestyle changes; social support; and disrupting factors and barriers to maintaining routines. SPACE for COPD was acceptable to participants in this study. The importance of education and social support was emphasised at both time points studied, but there were challenges such as comorbidities, ill health of family members and limited maintenance of exercise behaviours over the longer term. Further consideration of the role of carers and partners may help to improve adherence to self-management programmes once healthcare professional support has stopped. PMID- 29204435 TI - Cytokine responses to two common respiratory pathogens in children are dependent on interleukin-1beta. AB - Protracted bacterial bronchitis (PBB) in young children is a common cause of prolonged wet cough and may be a precursor to bronchiectasis in some children. Although PBB and bronchiectasis are both characterised by neutrophilic airway inflammation and a prominent interleukin (IL)-1beta signature, the contribution of the IL-1beta pathway to host defence is not clear. This study aimed to compare systemic immune responses against common pathogens in children with PBB, bronchiectasis and control children and to determine the importance of the IL 1beta pathway. Non-typeable Haemophilus influenzae (NTHi) stimulation of peripheral blood mononuclear cells (PBMCs) from control subjects (n=20), those with recurrent PBB (n=20) and bronchiectasis (n=20) induced high concentrations of IL-1beta, IL-6, interferon (IFN)-gamma and IL-10. Blocking with an IL-1 receptor antagonist (IL-1Ra) modified the cellular response to pathogens, inhibiting cytokine synthesis by NTHi-stimulated PBMCs and rhinovirus-stimulated PBMCs (in a separate PBB cohort). Inhibition of IFN-gamma production by IL-1Ra was observed across multiple cell types, including CD3+ T cells and CD56+ NK cells. Our findings highlight the extent to which IL-1beta regulates the cellular immune response against two common respiratory pathogens. While blocking the IL 1beta pathway has the potential to reduce inflammation, this may come at the cost of protective immunity against NTHi and rhinovirus. PMID- 29204436 TI - In vitro and in vivo functional residual capacity comparisons between multiple breath nitrogen washout devices. AB - Functional residual capacity (FRC) accuracy is essential for deriving multiple breath nitrogen washout (MBNW) indices, and is the basis for device validation. Few studies have compared existing MBNW devices. We evaluated in vitro and in vivo FRC using two commercial MBNW devices, the Exhalyzer D (EM) and the EasyOne Pro LAB (ndd), and an in-house device (Woolcock in-house device, WIMR). FRC measurements were performed using a novel syringe-based lung model and in adults (20 healthy and nine with asthma), followed by plethysmography (FRCpleth). The data were analysed using device-specific software. Following the results seen with ndd, we also compared its standard clinical software (ndd v.2.00) with a recent upgrade (ndd v.2.01). WIMR and EM fulfilled formal in vitro FRC validation recommendations (>95% of FRC within 5% of known volume). Ndd v.2.00 underestimated in vitro FRC by >20%. Reanalysis using ndd v.2.01 reduced this to 11%, with 36% of measurements <=5%. In vivo differences from FRCpleth (mean+/-sd) were 4.4+/-13.1%, 3.3+/-11.8%, -20.6+/-11% (p<0.0001) and -10.5+/-10.9% (p=0.005) using WIMR, EM, ndd v.2.00 and ndd v.2.01, respectively. Direct device comparison highlighted important differences in measurement accuracy. FRC discrepancies between devices were larger in vivo, compared to in vitro results; however, the pattern of difference was similar. These results represent progress in ongoing standardisation efforts. PMID- 29204437 TI - Reference Values of Flexion and Supination in the Elbow Joint of a Cohort without Shoulder Pathologies. AB - Background: After surgery of the long head of the biceps tendon, the examination of the biceps brachii muscle function and strength is common clinical practice. The muscle strength is usually compared with the uninjured contralateral side or with a matched pair group assuming that the uninjured side can be used as an appropriate reference. Hypothesis/Purpose: The purpose of this study was to define reference values of the supination and flexion strength in the elbow joint and to investigate the influence of the arm positions and various anthropometric factors. Methods: 105 participants without any shoulder pathologies were enrolled. A full medical history was obtained and a physical examination was performed. The bilateral isometric testing included the supination torque in various forearm positions and elbow flexion strength with a custom engineered dynamometer. Multiple linear regression analysis was used to investigate the correlation of the strength and anthropometric factors. Results: Only age and gender were significant supination and flexion strength predictors of the elbow. Hence, it was possible to calculate a gender-specific regression line for each forearm position to predict the age-dependent supination torque. The supination strength was greatest with the arm in 90 degrees elbow flexion and the upper arm in full pronation. PMID- 29204438 TI - Endovascular Treatment for Acute Thromboembolic Occlusion of the Superior Mesenteric Artery and the Outcome Comparison between Endovascular and Open Surgical Treatments: A Retrospective Study. AB - We reported our experience with endovascular treatment for patients with acute thromboembolic occlusion of the superior mesenteric artery (ATOS) as well as comparing the efficacy between endovascular and traditional open surgical treatments. Eighteen consecutive patients with ATOS who received endovascular treatment and 12 patients who received open surgical treatment between February 2007 and October 2012 at Tianjin Union Medical Center (Tianjin, China) were retrospectively reviewed. Primary clinical outcomes included the technical success, requirement of laparotomy, length of bowel resection, perioperative mortality within 30 days, and surgical complications. The patients were followed up for 0.1 to 98 months. For patients who underwent endovascular treatment, complete technical success was achieved in 8 (44.4%) patients and partial success was achieved in the remaining 10 (55.6%) patients. Laparotomy was required in 6 (33.3%) patients. The 30-day mortality was 16.7%. In comparison to open surgical therapy, endovascular therapy achieved lower requirement of laparotomy (in 33.3% versus in 58.3% of cases, p = 0.18), significantly shorter average length of bowel resection (88 +/- 44 versus 253 +/- 103 cm, p = 0.01), and lower mortality rate (16.7% versus 33.3%, p = 0.68). The endovascular therapy is a promising treatment alternative for ATOS. PMID- 29204439 TI - The Immunomodulatory Imbalance in Patients with Ketamine Cystitis. AB - The pathogenesis of ketamine cystitis (KC) has been recently linked with immune response to patients but the same has not yet been established. Hence, this study aims to propose a possible immune mechanism of irreversible bladder damage caused by KC. A total of 53 KC patients and 21 healthy volunteers as controls have been retrospectively assessed. The levels of serum immunoglobulin E (IgE), IL-6, and IFN-gamma of KC patients were significantly higher than those of controls, whereas the TGF-beta levels of KC patients substantially reduced but the IL-2 and IL-4 levels of KC patients were comparable to those of controls. Moreover, the KC patients had significantly higher counts of TH1, TH2, and TH17 cells than those of controls. The immune response of KC users may begin with the IL-6 production and differentiation of TH17 and may be followed by alternating between high expressions of TH1 and TH2. The IL-6 may further suppress the TREG cells which can aggravate chronic inflammation in KC patients and the imbalance in TH17 and TREG cells may involve the pathogenesis of KC. Further investigation is needed to define the role of IL-6 in TH1/TH2/TH17-regulated signaling pathway in ketamine induced cystitis. PMID- 29204440 TI - Functional Activation-Informed Structural Changes during Stroke Recovery: A Longitudinal MRI Study. AB - Objective: Neuroimaging studies revealed the functional reorganization or the structural changes during stroke recovery. However, previous studies did not combine the functional and structural information and the results might be affected by heterogeneous lesion. This study aimed to investigate functional activation-informed structural changes during stroke recovery. Methods: MRI data of twelve stroke patients were collected at four consecutive time points during the first 3 months after stroke onset. Functional activation during finger tapping task was used to inform the analysis of structural changes of activated brain regions. Correlation between structural changes in motor-related activated brain regions and motor function recovery was estimated. Results: The averaged gray matter volume (aGMV) of contralesional activated brain regions and laterality index of gray matter volume (LIGMV) increased during stroke recovery, and LIGMV was positively correlated with Fugl-Meyer Index (FMI) at initial stage after stroke. The aGMV of bilateral activated brain regions was negatively correlated with FMI during the stroke recovery. Conclusion: This study demonstrated that combining the stroke-induced functional reorganization and structural change provided new insights into the underlying innate plasticity process during stroke recovery. Significance: This study proposed a new approach to integrate functional and structural information for investigating the innate plasticity after stroke. PMID- 29204442 TI - In Vitro Screening of Three Indian Medicinal Plants for Their Phytochemicals, Anticholinesterase, Antiglucosidase, Antioxidant, and Neuroprotective Effects. AB - Cooccurrence of Diabetes Mellitus and Alzheimer's disease in elder people prompts scientists to develop multitarget agents that combat causes and symptoms of both diseases simultaneously. In line with this modern paradigm and as a follow-up to our previous studies, the present study is designed to investigate the crude methanolic extracts and subsequent CHCl3, n-BuOH, and H2O fractions of Acalypha alnifolia, Pavetta indica, and Ochna obtusata for their inhibitory activities towards specific targets involved in AD and DM, namely, acetylcholinesterase, butyrylcholinesterase, and alpha-glucosidase (alpha-Glc). The methanolic extract and its derived chloroform fractions exhibited remarkable inhibitory capacities with IC50 values being found at the MUg/mL level. Further studies on most active chloroform fractions presented a prominent ability to scavenge DPPH and ABTS reactive species and highest neuroprotective effect against H2O2 induced cell injury. Phytochemical analysis showed a large amount of phenolics, flavonoids, and terpenoids in active fractions. In conclusion, A. alnifolia, P. indica, and O. obtusata could be promising sources for the treatment of AD and DM since these fractions induced significant anticholinesterase, antidiabetic, antioxidant, and neuroprotection effects attributable to phenolic, flavonoid, and terpenoid contents and encourage further studies for development of multifunctional therapeutic agent for AD and DM dual therapy. PMID- 29204441 TI - Preemptive Analgesic and Antioxidative Effect of Curcumin for Experimental Migraine. AB - Objective: Our study aimed to investigate the analgesic and antioxidative stress effects of Curcumin (CC) in experimental migraine induced by Nitroglycerin (NTG) on rats, compared with Indomethacin (ID) and Propranolol (PP) treatments. Material and Methods: Five groups of 10 rats treated i.p. were investigated: control group (healthy rats) injected with saline solution (0.9%), NTG-control group injected with NTG (1 mg/100 gbw, bw = body weight), and three groups with pretreatment applied 30 min previous to the formalin test (NTG + CC group: Curcumin (10 mg/100 gbw), NTG + PP group: Propranolol (100 MUg/100 gbw), and NTG + ID group: Indomethacin (0.5 mg/100 gbw)). Formalin test was performed and number of flinches and shakes were counted. Several oxidative stress parameters were also assessed. Results: The smallest values of malondialdehyde (MDA), nitric oxide (NOx), and total oxidative status (TOS) were observed on NTG + CC with significant differences as compared with the control group (p < 0.0001). The group pretreated with Curcumin proved significantly smaller number of flinches and shakes compared with both NTG + PP and NTG + ID. Conclusion: Our study demonstrates a superior activity of Curcumin not only versus control, but also versus Propranolol and Indomethacin. PMID- 29204443 TI - Dissatisfaction in Child Welfare and Its Role in Predicting Self-Efficacy and Satisfaction at Work: A Mixed-Method Research. AB - Child welfare organizations are increasingly concerned with challenges emerging from the assessment of social workers' dissatisfaction. This type of service represents the work area where social workers are at greater risk of burnout. Although several studies account for high social workers' burnout scores, they do not systematically dwell upon its sources and roots. In addition, scholars point out that a considerable number of work related issues may be perceived both as a source of dissatisfaction and satisfaction. We assume that there is a need to deepen the understanding of how dissatisfaction's sources may exert an impact on both personal job satisfaction and professional self-efficacy, which are positively associated with well-being at work. The present mixed-method research has two aims: (1) the extensive exploration, applying qualitative methodology, of the perceived sources of dissatisfaction; (2) the attempt to identify the extent to which those sources predict job satisfaction and professional self-efficacy. It is our purpose to further explore which differences emerge by age. The research involved child welfare workers, that is, SWs employed in public child welfare agencies in the North East of Italy. Results show the predominant role of interpersonal trust and mutual respect, as main predictors of both professional self-efficacy and job satisfaction. Practical implications of findings are discussed. PMID- 29204444 TI - The Finite Element Simulation of the Upper Airway of Patients with Moderate and Severe Obstructive Sleep Apnea Hypopnea Syndrome. AB - Objectives: To investigate the snoring modes of patients with Obstructive Sleep Apnea Hypopnea Syndrome and to discover the main sources of snoring in soft tissue vibrations. Methods: A three-dimensional finite element model was developed with SolidEdge to simulate the human upper airway. The inherent modal simulation was conducted to obtain the frequencies and the corresponding shapes of the soft tissue vibrations. The respiration process was simulated with the fluid-solid interaction method through ANSYS. Results: The first 6 orders of modal vibration were 12 Hz, 18 Hz, 21 Hz, 22 Hz, 36 Hz, and 39 Hz. Frequencies of modes 1, 2, 4, and 5 were from tongue vibrations. Frequencies of modes 3 and 6 were from soft palate vibrations. Steady pressure distribution and air distribution lines in the upper airway were shown clearly in the fluid-solid interaction simulation results. Conclusions: We were able to observe the vibrations of soft tissue and the modeled airflow by applying the finite element methods. Future studies could focus on improving the soft tissues vibration compliances by adjusting the model parameters. Additionally, more attention should be paid to vibrational components below 20 Hz when performing an acoustic analysis of human snore sounds due to the presence of these frequencies in this model. PMID- 29204445 TI - Dental Implant Surrounding Marginal Bone Level Evaluation: Platform Switching versus Platform Matching-One-Year Retrospective Study. AB - The benefits and feasibility of platform switching have been discussed in several studies, reporting lesser crestal bone loss in platform-switched implants than in platform-matched implants. Objective. The aim of the present study was to observe the changes in vertical and horizontal marginal bone levels in platform-switched and platform-matched dental implants. Materials and Methods. 51 patients received 60 dental implants in the present study over a 1-year period. Measurement was performed between the implant shoulder and the most apical and horizontal marginal defect by periapical radiographs to examine the changes of peri-implant alveolar bone before and 12 months after prosthodontic restoration delivery. Results. These marginal bone measurements showed a bone gain of 0.23 +/- 0.58 mm in the vertical gap and 0.22 +/- 0.53 mm in the horizontal gap of platform matching, while in platform switching a bone gain of 0.93 +/- 1 mm (P < 0.05) in the vertical gap and 0.50 +/- 0.56 mm in the horizontal gap was found. The average vertical gap reduction from the baseline until 12 months was 0.92 +/- 1.11 mm in platform switching and 0.29 +/- 0.85 mm in platform matching (P < 0.05). Conclusions. Within the limitations of the present study, platform switching seemed to be more effective for a better peri-implant alveolar bone vertical and horizontal gap reduction at 1 year. PMID- 29204446 TI - miR-195-5p Suppresses the Proliferation, Migration, and Invasion of Oral Squamous Cell Carcinoma by Targeting TRIM14. AB - MicroRNAs (miRNAs) play an essential role in tumor biological processes through interacting with specific gene targets. The involvement of miR-195-5p in cell proliferation, invasion, and migration has been demonstrated in several cancer cell lines, while its function in oral squamous cell carcinoma (OSCC) remains unclear. Here we find that miR-195-5p expression is lower in OSCC than in nontumor tissues, while its overexpression in cell lines can lead to the promotion of apoptosis and the reduction of cell growth, migration, and invasion. Moreover, we identify the tripartite motif-containing protein (TRIM14) as a target of miR-195-5p. Therefore, we reason that the tumor suppressor role of miR 195-5p in OSCC is dependent on the interaction with TRIM14. PMID- 29204448 TI - Punctaporonins N-S, New Caryophyllene Sesquiterpenoids from Cytospora sp. AB - Six new caryophyllene sesquiterpenoids, punctaporonins N-S (1-6), and three known ones, 6-hydroxypunctaporonins B (7), A (8), and E (9), have been isolated from solid cultures of Cytospora sp. The structures of 1-6 were elucidated primarily by NMR spectroscopy. The absolute configuration of 1 was assigned by X-ray crystallographic analysis of its S-MTPA ester. Compounds 2, 5, and 6 showed modest cytotoxicity against HeLa cells. PMID- 29204447 TI - Effects of LncRNA BC168687 siRNA on Diabetic Neuropathic Pain Mediated by P2X7 Receptor on SGCs in DRG of Rats. AB - Diabetic neuropathic pain (DNP), one of the early symptoms of diabetic neuropathy, relates to metabolic disorders induced by high blood glucose, neurotrophic vascular ischemia and hypoxia, and autoimmune factors. This study was aimed at exploring the effects of long noncoding RNA (lncRNA) BC168687 siRNA on DNP mediated by P2X7 receptor on SGCs in DRG of rats. The mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) of rats, the expression levels of P2X7 mRNA and protein in the DRG, and nitric oxide (NO) in the serum were, respectively, detected in our study. Our experimental results showed that the level of BC168687 mRNA in DNP group was markedly higher than that of control group; the MWT and TWL of DNP + BC168687 si group were significantly increased, and the expression levels of P2X7 in DRG and the concentrations of NO in serum of DNP + BC168687 si group were decreased compared to those of the DNP group. In conclusion, lncRNA BC168687 may participate in the pathogenesis of DNP mediated by P2X7 receptor, which will provide a novel way for the study of the pathogenesis of diabetes mellitus complicated with neuropathic pain and its prevention and treatment. PMID- 29204449 TI - Combined Transcriptomic Analysis Revealed AKR1B10 Played an Important Role in Psoriasis through the Dysregulated Lipid Pathway and Overproliferation of Keratinocyte. AB - RNA-seq has enabled in-depth analysis of the pathogenesis of psoriasis on the transcriptomic level, and many biomarkers have been discovered to be related to the immune response, lipid metabolism, and keratinocyte proliferation. However, few studies have combined analysis from various datasets. In this study, we integrated different psoriasis RNA-seq datasets to reveal the pathogenesis of psoriasis through the analysis of differentially expressed genes (DEGs), pathway analysis, and functional annotation. The revealed biomarkers were further validated through proliferation phenotypes. The results showed that DEGs were functionally related to lipid metabolism and keratinocyte differentiation dysregulation. The results also showed new biomarkers, such as AKR1B10 and PLA2G gene families, as well as pathways that include the PPAR signaling pathway, cytokine-cytokine receptor interaction, alpha-linoleic acid metabolism, and glycosphingolipid biosynthesis. Using siRNA knockdown assays, we further validated the role that the AKR1B10 gene plays in proliferation. Our study demonstrated not only the dysfunction of the AKR1B10 gene in lipid metabolizing but also its important role in the overproliferation and migration of keratinocyte, which provided evidence for further therapeutic uses for psoriasis. PMID- 29204452 TI - Recurrent Lactobacillus Bacteremia in a Patient With Leukemia. AB - Lactobacillus species are a commensal flora of the human gastrointestinal and the female genitourinary tract. Lactobacilli especially the rhamnosus species, are common components of commercial probiotics. They are rarely associated with pathology in immunocompetent people, but they have been known to cause dental caries, bacteremia, and endocarditis in patients with suppressed immune function. Cases of Lactobacillus bacteremia have been reported in patients with acute myeloid leukemia, large granular lymphocytic leukemia, and in transplant recipients. In this article, we report a strange case of recurrent Lactobacillus bacteremia causing multiple episodes of fever of unknown origin in a patient with leukemia. This report is unique as Lactobacillus is not recognized as a common source of bacteremia. Moreover, the source of the bacillus continued to elude us even after extensive investigation. PMID- 29204451 TI - Targeting of Immune Cells by Dual TLR2/7 Ligands Suppresses Features of Allergic Th2 Immune Responses in Mice. AB - Background: TLR ligands can promote Th1-biased immune responses, mimicking potent stimuli of viruses and bacteria. Aim: To investigate the adjuvant properties of dual TLR2/7 ligands compared to those of the mixture of both single ligands. Methods: Dual TLR2/7 ligands: CL401, CL413, and CL531, including CL264 (TLR7 ligand) and Pam2CysK4 (TLR2-ligand), were used. Immune-modulatory capacity of the dual ligands with the individual ligands alone or as a mixture in mouse BMmDCs, BMmDC:TC cocultures, or BMCMCs was compared and assessed in naive mice and in a mouse model of OVA-induced intestinal allergy. Results: CL413 and CL531 induced BMmDC-derived IL-10 secretion, suppressed rOVA-induced IL-5 secretion from OVA specific DO11.10 CD4+ TCs, and induced proinflammatory cytokine secretion in vivo. In contrast, CL401 induced considerably less IL-10 secretion and led to IL 17A production in BMmDC:TC cocultures, but not BMCMC IL-6 secretion, or IL-6 or TNF-alpha production in vivo. No immune-modulating effects were observed with single ligands. All dual TLR2/7 ligands suppressed DNP-induced IgE-and-Ag specific mast cell degranulation. Compared to vaccination with OVA, vaccination with the mixture CL531 and OVA, significantly suppressed OVA-specific IgE production in the intestinal allergy model. Conclusions: Based on beneficial immune-modulating properties, CL413 and CL531 may have utility as potential adjuvants for allergy treatment. PMID- 29204450 TI - The Role of Oxidative Stress, Mitochondrial Function, and Autophagy in Diabetic Polyneuropathy. AB - Diabetic polyneuropathy (DPN) is the most frequent and prevalent chronic complication of diabetes mellitus (DM). The state of persistent hyperglycemia leads to an increase in the production of cytosolic and mitochondrial reactive oxygen species (ROS) and favors deregulation of the antioxidant defenses that are capable of activating diverse metabolic pathways which trigger the presence of nitro-oxidative stress (NOS) and endoplasmic reticulum stress. Hyperglycemia provokes the appearance of micro- and macrovascular complications and favors oxidative damage to the macromolecules (lipids, carbohydrates, and proteins) with an increase in products that damage the DNA. Hyperglycemia produces mitochondrial dysfunction with deregulation between mitochondrial fission/fusion and regulatory factors. Mitochondrial fission appears early in diabetic neuropathy with the ability to facilitate mitochondrial fragmentation. Autophagy is a catabolic process induced by oxidative stress that involves the formation of vesicles by the lysosomes. Autophagy protects cells from diverse stress factors and routine deterioration. Clarification of the mechanisms involved in the appearance of complications in DM will facilitate the selection of specific therapeutic options based on the mechanisms involved in the metabolic pathways affected. Nowadays, the antioxidant agents consumed exogenously form an adjuvant therapeutic alternative in chronic degenerative metabolic diseases, such as DM. PMID- 29204453 TI - Physical and Functional Differences in Youth Baseball Players With and Without Throwing-Related Pain. AB - Background: Identifying risk factors that contribute to shoulder and elbow pain within youth baseball players is important for improving injury prevention and rehabilitation strategies. Hypothesis: Differences will exist between youth baseball players with and without a history of upper extremity pain on measures related to growth, shoulder performance, and baseball exposure. Study Design: Case-control study; Level of evidence, 3. Methods: A total of 84 youth baseball players were divided into 2 groups based on self-reported history of throwing related arm pain. Group differences for growth-related, shoulder performance, and baseball exposure variables were analyzed by use of parametric and nonparametric tests, as appropriate. Multivariate logistic regression was used to assess variables most predictive of pain. Results: The group of athletes with pain (n = 16) were taller and heavier, played more baseball per year, and had greater pitching velocity. Athletes with pain also had greater loss of internal rotation range of motion and greater side-to-side asymmetry in humeral retrotorsion (HRT), attributable to lower degrees of HRT within the nondominant humerus. Multivariate analysis revealed that player height was most predictive of pain, with a 1-inch increase in height resulting in a 77% increased risk of pain. Conclusion: Vertical growth that accompanies adolescence increases the risk of experiencing throwing-related pain in youth baseball players. Players who are taller, particularly those with faster pitching velocities, are at the greatest risk for developing pain and should be more carefully monitored for resultant injury. The degree of nondominant HRT may have a relationship to the development of pain, but further research is required to better understand the implications of this observation. PMID- 29204454 TI - Magnetic Resonance Imaging for Patellofemoral Chondromalacia: Is There a Role for T2 Mapping? AB - Background: Patellofemoral pain is common, and treatment is guided by the presence and grade of chondromalacia. Purpose: To evaluate and compare the sensitivity and specificity in detecting and grading chondral abnormalities of the patella between proton density fat suppression (PDFS) and T2 mapping magnetic resonance imaging (MRI). Study Design: Cohort study; Level of evidence, 2. Methods: A total of 25 patients who underwent MRI of the knee with both a PDFS sequence and T2 mapping and subsequently underwent arthroscopic knee surgery were included. The cartilage surface of the patella was graded on both MRI sequences by 2 independent, blinded radiologists. Cartilage was then graded during arthroscopic surgery by a sports medicine fellowship-trained orthopaedic surgeon. Reliability, sensitivity, specificity, and accuracy were determined for both MRI methods. The findings during arthroscopic surgery were considered the gold standard. Results: Intraobserver and interobserver agreement for both PDFS (98.5% and 89.4%, respectively) and T2 mapping (99.4% and 91.3%, respectively) MRI were excellent. For T2 mapping, the sensitivity (61%) and specificity (64%) were comparable, whereas for PDFS there was a lower sensitivity (37%) but higher specificity (81%) in identifying cartilage abnormalities. This resulted in a similar accuracy for PDFS (59%) and T2 mapping (62%). Conclusion: Both PDFS and T2 mapping MRI were reliable but only moderately accurate in predicting patellar chondromalacia found during knee arthroscopic surgery. PMID- 29204456 TI - Erratum: Publisher's Note: "Enzyme transient state kinetics in crystal and solution from the perspective of a time-resolved crystallographer" [Struct. Dyn. 1, 024701 (2014)]. AB - [This corrects the article DOI: 10.1063/1.4869472.]. PMID- 29204455 TI - A null model for cortical representations with grandmothers galore. AB - There has been extensive discussion in the literature about the extent to which cortical representations can be described as localist or distributed. Here we discuss a simple null model that encompasses a family of related architectures describing the transformation of signals throughout the parts of the visual system involved in object recognition. This family of models constitutes a rigorous first approximation to explain the neurophysiological properties of ventral visual cortex. This null model contains both distributed and local representations throughout the entire hierarchy of computations and the responses of individual units are meaningful and interpretable when encoding is adequately defined for each computational stage. PMID- 29204457 TI - Employing a Qualitative Description Approach in Health Care Research. AB - A qualitative description design is particularly relevant where information is required directly from those experiencing the phenomenon under investigation and where time and resources are limited. Nurses and midwives often have clinical questions suitable to a qualitative approach but little time to develop an exhaustive comprehension of qualitative methodological approaches. Qualitative description research is sometimes considered a less sophisticated approach for epistemological reasons. Another challenge when considering qualitative description design is differentiating qualitative description from other qualitative approaches. This article provides a systematic and robust journey through the philosophical, ontological, and epistemological perspectives, which evidences the purpose of qualitative description research. Methods and rigor issues underpinning qualitative description research are also appraised to provide the researcher with a systematic approach to conduct research utilizing this approach. The key attributes and value of qualitative description research in the health care professions will be highlighted with the aim of extending its usage. PMID- 29204458 TI - Etonogestrel Implant-To Leave or Stay: A Case Series. AB - Long-acting reversible contraception, which include etonogestrel subdermal hormonal implants, has high efficiency rates in preventing teen pregnancy. Although these numbers are increasing, teens have the lowest long-acting reversible contraception usage rate of any group, which the American Congress of Obstetricians and Gynecologists addressed with recommendations for Nexplanon placement for teens. The American Congress of Obstetricians and Gynecologists has recommended support for increased use and training of practitioners and pediatricians to gain momentum. Safety remains a concern as increased usage by practitioners and pediatricians may lead to more adverse outcomes. Despite the improvements to Nexplanon as a preloaded insertion device to prevent deep placement and malalignment, there are few known published adverse outcomes. Although different products, a review of the adverse outcomes reported with Norplant removal may closely reflect today's concerns with Nexplanon. The 3 case studies in this article are examples of similar adverse outcome with Nexplanon removal as those reported with Norplant. PMID- 29204459 TI - Hypertension in Low-Income Adolescents. AB - Disadvantaged adolescents are at higher risk for undiagnosed and untreated obesity and hypertension. Using nurse-measured weight, height, and blood pressure (BP) as well as self-reported age and activity/lifestyle behaviors, we assessed the prevalence of obesity and hypertension in 573 adolescent patients aged 13.0 to 17.9 years (females: n = 267, 46.6%; males: n = 306, 53.4%) from a clinic serving low-income, ethnically diverse pediatric patients. Body mass index distribution was as follows: 11, underweight (1.9%); 330, healthy weight (57.6%); 105, overweight (18.3%); and 127, obese (22.2%). The age-adjusted height percentile was normally distributed, but distribution by BP category was 326 normotensive (56.9%), 147 prehypertensive (25.7%), 60 with stage 1 hypertension (10.5%), and 40 with stage 2 hypertension (7.0%). Activity and lifestyle behaviors did not adequately explain obesity and hypertension rates. Efforts to prevent/reduce childhood overweight, obesity, and hypertension in underserved populations need to include dietary education, weight control interventions, and physical activity programs specifically tailored to overweight/obese youth and parents. PMID- 29204460 TI - A Cardiac Mass in a Neonate. PMID- 29204461 TI - The Association Between BXO and Obesity in Boys Undergoing Circumcision. AB - This study investigated whether boys with balanitis xerotica obliterans (BXO) have increased rates of obesity compared with boys with no concern for BXO (NCB). Boys <=18 years old with circumcision pathology-confirmed BXO were compared with an age-matched group who had NCB during circumcision. Boys with BXO were found to have a mean body mass index of 70.64 percentile for age compared with 52.43 percentile in age-matched controls (P = .0005). The rate of obesity was significantly higher in boys with BXO (42%) compared with 12.4% in boys with NCB (odds ratio = 5.12; 95% CI = 2.6 to 10.06). Given the increasing rates of childhood obesity and the long-term health consequences of both BXO and obesity, special attention should be paid to this population. Further research is needed to determine if BXO in obese children may represent an early indicator of a systemic disease process where intervention may be warranted. PMID- 29204462 TI - Human Papillomavirus Vaccine Sources of Information and Adolescents' Knowledge and Perceptions. AB - Understanding where adolescents obtain information about human papillomavirus (HPV) vaccines may be helpful in designing public health interventions promoting HPV vaccination. This study assessed the following: (1) exposure to specific sources of information about HPV vaccines, (2) self-reported helpfulness of these sources of information, and (3) whether the specific source of information was associated with knowledge and perceptions about HPV vaccines among adolescent girls. There were 339 adolescent girls (mean age = 16.8 years) recruited into the study. Television advertisements, the Internet, doctors/nurses, and mothers were the most frequently reported sources of vaccine information; more than 90% of participants who received information from these sources reported they were helpful. Adolescents who received information about HPV vaccines from television advertisements, the Internet, clinicians, and mothers had higher knowledge about HPV vaccines and more positive perceptions. Assuring the accuracy of messages from these sources will be essential, given their importance in influencing adolescents' knowledge and perceptions about HPV vaccines. PMID- 29204463 TI - Effect of Flavors and Modified Risk Messages on E-cigarette Abuse Liability. AB - Objectives: To measure e-cigarettes' abuse liability compared to conventional tobacco cigarettes under flavor and message conditions amenable to regulation. Methods: Two studies used 2*2 within-subjects designs with factors of e-cigarette flavor (Study 1: tobacco vs. menthol; Study 2: cherry vs. unflavored) and message (Study 1: reduced harm vs. no message; Study 2: reduced exposure to carcinogens vs. no message) with cigarette smokers (N(total) = 36). Linear mixed effects models assessed abuse liability for tobacco products. Outcomes included the price after which consumption is zero (the maximum amount participants would pay for a tobacco product) from the multiple choice procedure (MCP) and cigarette purchase task (CPT) and demand elasticity (price sensitivity) from the CPT. Results: In the MCP, the price where consumption reached zero was significantly lower in all e-cigarette conditions except tobacco flavor (message or no message) compared to cigarettes (p < .05 each). Demand elasticity was significantly higher for menthol/no message and unflavored/reduced exposure message conditions relative to cigarettes (p < .05 each). Conclusions: Flavors and modified risk messages included with e-cigarettes may affect e-cigarette abuse liability among smokers, suggesting regulatory pathways to influence demand for conventional and alternative tobacco products. PMID- 29204465 TI - Non-contributory social transfer programs in developing countries: A new dataset and research agenda. AB - Social transfer programs in developing countries are designed to contribute to poverty reduction by increasing the income of the poor in order to ensure minimal living standards. In addition, social transfers provide a safety net for the vulnerable, who are typically not covered by contributory social security. The question of how effective such programs are in achieving these aims has been the subject of numerous impact evaluations. However, the optimal design of such programs is still unclear. Even less is known about whether the adoption and implementation of transfer programs is really driven by poverty and neediness or whether other factors also have an influence. To investigate these and other research questions, we have developed a new dataset entitled Non-Contributory Social Transfer Programs (NSTP) in Developing Countries. One advantage of this dataset is that it traces 186 non-contributory programs from 101 countries back in time and presents them in panel form for the period up until 2015. The second advantage is that it contains all the details regarding the various programs' designs as well as information on costs and coverage in a coded format and thus facilitates both comparative quantitative and in-depth qualitative analyses. While describing the data we discuss a number of examples of how the dataset can be used to explore different issues related to social policies in developing countries. We present suggestive evidence that the adoption of social transfer programs is not based only on pro-poor motives, but rather that social policy choices differ between political regimes. PMID- 29204464 TI - A multimodal dataset for authoring and editing multimedia content: The MAMEM project. AB - We present a dataset that combines multimodal biosignals and eye tracking information gathered under a human-computer interaction framework. The dataset was developed in the vein of the MAMEM project that aims to endow people with motor disabilities with the ability to edit and author multimedia content through mental commands and gaze activity. The dataset includes EEG, eye-tracking, and physiological (GSR and Heart rate) signals collected from 34 individuals (18 able bodied and 16 motor-impaired). Data were collected during the interaction with specifically designed interface for web browsing and multimedia content manipulation and during imaginary movement tasks. The presented dataset will contribute towards the development and evaluation of modern human-computer interaction systems that would foster the integration of people with severe motor impairments back into society. PMID- 29204466 TI - Restoration of anatomical continuity after spinal cord transection depends on Wnt/beta-catenin signaling in larval zebrafish. AB - This data article contains descriptive and experimental data on spinal cord regeneration in larval zebrafish and its dependence on Wnt/beta-catenin signaling. Analyzing spread of intraspinally injected fluorescent dextran showed that anatomical continuity is rapidly restored after complete spinal cord transection. Pharmacological interference with Wnt/beta-catenin signaling (IWR-1) impaired restoration of spinal continuity. For further details and experimental findings please refer to the research article by Wehner et al. Wnt signaling controls pro-regenerative Collagen XII in functional spinal cord regeneration in zebrafish (Wehner et al., 2017) [1]. PMID- 29204467 TI - Home energy management (HEM) database: A list with coded attributes of 308 devices commercially available in the US. AB - Policymakers worldwide are currently discussing whether to include home energy management (HEM) products in their portfolio of technologies to reduce carbon emissions and improve grid reliability. However, very little data is available about these products. Here we present the results of an extensive review including 308 HEM products available on the US market in 2015-2016. We gathered these data from publicly available sources such as vendor websites, online marketplaces and other vendor documents. A coding guide was developed iteratively during the data collection and utilized to classify the devices. Each product was coded based on 96 distinct attributes, grouped into 11 categories: Identifying information, Product components, Hardware, Communication, Software, Information - feedback, Information - feedforward, Control, Utility interaction, Additional benefits and Usability. The codes describe product features and functionalities, user interaction and interoperability with other devices. A mix of binary attributes and more descriptive codes allow to sort and group data without losing important qualitative information. The information is stored in a large spreadsheet included with this article, along with an explanatory coding guide. This dataset is analyzed and described in a research article entitled "Categories and functionality of smart home technology for energy management" (Ford et al., 2017) [1]. PMID- 29204468 TI - Dataset of quantitative spectral EEG of different stages of kindling acquisition in rats. AB - The data represented here are in relation with the manuscript "Quantitative assessments of extracellular EEG to classify specific features of main phases of seizure acquisition based on kindling model in Rat" (Jalilifar et al., 2017) [1] which quantitatively classified different main stages of the kindling process based on their electrophysiological characteristics using EEG signal processing. The data in the graphical form reported the contribution of different sub bands of EEG in different stages of kindling- induced epileptogenesis. Only EEG signals related to stages 1-2 (initial seizure stages (ISSs)), 3 (localized seizure stage (LSS)), and 4-5 (generalized seizure stages (GSSs) were transferred into frequency function by Fast Fourier Transform (FFT) and their power spectrum and power of each sub bands including delta (1-4 Hz), Theta (4-8 Hz), alpha (8-12 Hz), beta (12-28 Hz), gamma (28-40 Hz) were calculated with MATLAB 2013b. Accordingly, all results were obtained quantitatively which can contribute to reduce the errors in the behavioral assessments. PMID- 29204469 TI - High-frequency electrical stimulation (HFES) Data Lean and Obese Zucker Rat Soleus Muscle: Regulation of p70S6kinase Associated Proteins. AB - Anaerobic exercise has been advocated as a prescribed treatment for the management of diabetes: however, alterations in exercise-induced signaling remain largely unexplored in the diabetic muscle. Here, we compare the basal and the in situ contraction-induced phosphorylation of the AKT, GSK3beta, mTor, p70s6K, Pten, and Shp2 proteins in the lean and obese (fa/fa) Zucker rat soleus muscle following a single bout of contractile stimuli. This article represents data associated with prior publications from our lab (Katta et al., 2009a, 2009b; Tullgren et al., 1991) [1-3] and concurrent Data in Brief articles (Ginjupalli et al., 2017a, 2017b; Rice et al., 2017a, 2017b) [4-7]. PMID- 29204470 TI - Survey data on cost and benefits of climate smart agricultural technologies in western Kenya. AB - This paper describes data that were collected in three counties of western Kenya, namely Siaya, Bungoma, and Kakamega. The main aim of collecting the data was to assess the climate smartness, profitability and returns of soil protection and rehabilitation measures. The data were collected from 88 households. The households were selected using simple random sampling technique from a primary sampling frame of 180 farm households provided by the ministry of agriculture through the counties agricultural officers. The surveys were administered by trained research assistants using a structured questionnaire that was designed in Census and Survey Processing System (CSPro). Later, the data was exported to STATA version 14.1 for cleaning and management purposes. The data are hosted in an open source dataverse to allow other researchers generate new insights from the data (http://dx.doi.org/10.7910/DVN/K6JQXC). PMID- 29204471 TI - Data on the involvement of Meox1 in balloon-injury-induced neointima formation of rats. AB - In the previous report, Meox1 was found to promote SMCs phenotypic modulation and injury-induced vascular remodeling by regulating the FAK-ERK1/2-autophagy signaling cascade (Wu et al., 2017) [1]. Here, we presented new original data on the involvement of Mesoderm/mesenchyme homeobox gene l (Meox1) in balloon-injury induced neointima formation of rat. In rat carotid artery balloon injury model to induce vascular remodeling, Meox1 was induced in vascular smooth muscle cell (SMCs) of rat carotid arteries. Most proliferating cell nuclear antigen (PCNA) positive cells also expressed Meox1. These data suggested that Meox1 may be involved in SMCs proliferation during injury-induced neointima formation. Furthermore, knocked down its expression in injured arteries by adenoviral delivery of Meox1 short hairpin RNA (shRNA) (shMeox1), neointima formation was significantly inhibited. Elastin staining also confirmed the reduction of neointima in Meox1 shRNA-transduced arteries. Moreover, knockdown of Meox1 decreased the collagen production/deposition that was significantly increased in neointima induced by balloon injury. PMID- 29204472 TI - Data on pollutants content in the influent and effluent from wastewater treatment plant of Rasht in Guilan Province, Iran. AB - Data on this paper show the concentrations of COD, BOD5, TSS, K+, Ca2+, Na+, Cl-, [Formula: see text], [Formula: see text], Mn2+, Fe2+, Mg2+, Zn2+, Ni, Pb, Cu and Cd in the influent and effluent of wastewater, and also the nematode eggs, total and fecal coliform in effluents from wastewater treatment plant of Rasht, Guilan Province, in Iran. Measurements of pollutants in influent and effluent was measured according to standard methods (W.E. Federation and Association, A. P. H., 2005) [1]. Statistical analysis of the data was carried out using Special Package for Social Sciences (SPSS 16). PMID- 29204473 TI - Grafting C8-C16 alkyl groups altered the self-assembly and curcumin -loading properties of sodium caseinate in water. AB - The data presented here are related to the research article entitled "Synthesis and characterization of alkylated caseinate, and its structure-curcumin loading property relationship in water" (Zhang et al., 2018) [1]. This data article reports the detailed spectra information for 1H NMR, 13C NMR and UPLC-Q-TOF MS of the N-succinimidyl fatty acid esters with various alkyl chain lengths (Cn-NHSs, n = 8, 12, 14 and 16). 1H NMR, 13C NMR and UPLC-Q-TOF MS spectra for C16-NHS are shown as an example. Then the stacked 1H NMR spectra of the obtained alkylated caseinates (Cn-caseinates, n = 8, 12, 14 and 16) are provided. The surface hydrophobicity index (S0) of Cn-caseinates with different substitution degrees (SD) of alkyl groups is shown. Additionally, Visual appearances for the formed aqueous dispersions of curcumin-loaded native caseinate (NaCas) and Cn-caseinates self-assemblies are shown. X-ray diffraction patterns of curcumin, C16-caseinate, its physical mixture and curcumin-loaded C16-caseinate self-assemblies are examined. The re-dispersibility and short-term storage stability of the curcumin loaded NaCas and C16-caseinate self-assemblies are also studied. PMID- 29204474 TI - Data analysis on physical and mechanical properties of cassava pellets. AB - In this data article, laboratory experimental investigation results carried out at National Centre for Agricultural Mechanization (NCAM) on moisture content, machine speed, die diameter of the rig, and the outputs (hardness, durability, bulk density, and unit density of the pellets) at different levels of cassava pellets were observed. Analysis of variance using randomized complete block design with factorial was used to perform analysis for each of the outputs: hardness, durability, bulk density, and unit density of the pellets. A clear description on each of these outputs was considered separately using tables and figures. It was observed that for all the output with the exception of unit density, their main factor effects as well as two and three ways interactions is significant at 5% level. This means that the hardness, bulk density and durability of cassava pellets respectively depend on the moisture content of the cassava dough, the machine speed, the die diameter of the extrusion rig and the combinations of these factors in pairs as well as the three altogether. Higher machine speeds produced more quality pellets at lower die diameters while lower machine speed is recommended for higher die diameter. Also the unit density depends on die diameter and the three-way interaction only. Unit density of cassava pellets is neither affected by machine parameters nor moisture content of the cassava dough. Moisture content of cassava dough, speed of the machine and die diameter of the extrusion rig are significant factors to be considered in pelletizing cassava to produce pellets. Increase in moisture content of cassava dough increase the quality of cassava pellets. PMID- 29204475 TI - Microarray analysis of subcutaneous adipose tissue from mature cows with divergent body weight gain after feed restriction and realimentation. AB - Body weight response to periods of feed restriction and realimentation is critical and relevant to the agricultural industry. The purpose of this study was to evaluate differentially expressed genes identified in subcutaneous adipose tissue collected from cows divergent in body weight (BW) gain after feed restriction and realimentation. We compared adipose samples from cows with greater gain based on average daily gain (ADG) during realimentation with samples from cows with lesser gain. Specifically, there were four comparisons including two comparing the high and low gain animals across each feeding period (feed restriction and realimentation) and two that compared differences in feed restriction and realimentation across high or low gain classifications. Using microarray analysis, we provide a set of differentially expressed genes identified between the high and low gain at both periods of nutrient restriction and realimentation. These data identify multiple differentially expressed genes between these two phenotypes across both nutritional environments. PMID- 29204476 TI - Data documenting the performance of the PT/INR line correction method for reconciling INR discrepancies between central laboratory coagulation analyzers using different thromboplastins during the evaluation of a portable Coagulometer. AB - The data presented here was produced as part of an evaluation of the performance of the CoaguChek XS point-of-care coagulation analyzer, which is discussed in the research article "POCT PT INR - Is it adequate for Patient Care? A Comparison of the Roche Coaguchek XS vs. Stago Star vs. Siemens BCS in Patients Routinely Seen in an Anticoagulation Clinic" (Baker et al., in press) [1]. An effort to reconcile discrepancies in the patient INR result distributions from different central lab instruments (Stago Star and Siemens BCS) with the PT/INR line method is described (Poller et al., 2010, 2011; Ibrahim et al., 2011) [2], [3], [4]. While regression analysis of the ECAA Poller calibrant data provided a linear PT/INR line for all methods, Pearson's chi-squared and one-way repeated measures ANOVA analyses showed that central lab INR measurements continued to exhibit measurement site dependence after the PT/INR line correction was applied. According to paired t-test analysis, only the human thromboplastin dependent methods (CoaguChek XS and Siemens BCS both before and after PT/INR line correction) showed statistically significant agreement (p-value >0.05). PMID- 29204477 TI - Data for the physical and mechanical properties of high volume fly ash cement paste composites. AB - The data presented herein are compiled of the research summary of "Characterization of High-Volume Fly-Ash Cement Paste for Sustainable Construction Application" (Aydin and Arel, 2017) [1]. This data article provides general information about the ASTM Class C and Class F fly ash cement paste composites composed of silica fume, lime, water reducing admixtures in three different level of workability (0 mm, 100 mm and 200 mm). The dataset here also helps the readers to understand the links with the basic properties of the ingredients, for example, how can porosity be predicted based on the mixture design? how can the strength of the material be linked with the basic strengths of the constituent ingredients?. PMID- 29204478 TI - Data of furfural adsorption on nano zero valent iron (NZVI) synthesized from Nettle extract. AB - Among various water and wastewater treatment methods, adsorption techniques are widely used to remove certain classes of pollutants due to its unique features. Thus, the aim of this data article is to synthesize zero valent iron nanoparticles (NZVI) from Nettle leaf extract by green synthesis method as an environmentally friendly technique, and to evaluate it's efficiency in the removal of furfural from aqueous solutions. The data of possible adsorption mechanism and isotherm of furfural on the synthesized adsorbent are depicted in this data article. The data acquired showed that the adsorption trend follows the pseudo-second order kinetic model and that the Langmuir isotherm was suitable for correlation of equilibrium data with the maximum adsorption capacity of 454.4 mg/g. The information of initial furfural concentration, pH, adsorbent dosage and contact time effects on the removal efficiency are presented. Considering the findings data, the developed nanoparticle from Nettle leaf extract, as a low cost adsorbent, could be considered as promising adsorbent for furfural and probably similar organic pollutants removal from aqueous solutions. PMID- 29204479 TI - Note from the Editor. PMID- 29204480 TI - Update regarding opportunities for orthopaedic surgeons to contribute to postmarket surveillance of potential safety issues for orthopaedic medical devices marketed in the United States. PMID- 29204481 TI - Corrosion and adverse tissue reaction after modular unipolar hip hemiarthroplasty. AB - Modern unipolar hip hemiarthroplasty, commonly used for displaced femoral neck fracture, is now modular, with both a variable length cobalt-chromium adapter sleeve and large femoral head. Patients with these modular components may develop symptomatic trunnion corrosion, with elevated serum metal levels. We report the case of an 82-year-old woman, 5.5 years after a modular unipolar hip hemiarthroplasty, who presented with a 4-month history of hip pain and limp. Evaluation showed elevated serum cobalt and chromium levels and an acetabular cyst. At revision, fluid, tissue, and gross inspection were consistent with trunnion corrosion. The hip was revised with a ceramic head and dual mobility acetabular component, with a good result at 1 year. The designs of commercially available, modern unipolar hip hemiarthroplasty prostheses are reviewed. PMID- 29204482 TI - Corrosion and adverse local tissue reaction after total hip arthroplasty with a modular titanium alloy femoral neck. AB - This report describes a case of mechanically assisted crevice corrosion and secondary adverse local tissue reaction in a patient following a total hip arthroplasty, utilizing a modular neck (bi-modular) femoral component. Radiographic evaluation demonstrated a well-positioned, stable, cementless arthroplasty. Upon further evaluation, the patient had elevated serum cobalt and chromium levels, and magnetic resonance imaging demonstrated a periprosthetic pseudotumor. Corrosion of both the neck-stem and head-neck junctions was suspected. At the time of surgery, the neck-body junction was pristine; however, the head-neck junction of the implant demonstrated severe corrosive wear, a problem that has been reported only once previously with this particular bi modular implant. This serves as a reminder that any modular junction may be susceptible to corrosion and not all bi-modular designs behave similarly. PMID- 29204483 TI - Bead debonding from a modern cementless total hip femoral component with concomitant taper corrosion. AB - We report a case of bead shedding from a cylindrical extensively porous-coated cementless femoral component with concomitant taper corrosion at the modular head neck junction of a metal-on-polyethylene total hip prosthesis. The patient presented with chronic thigh pain 4 years after primary total hip arthroplasty, and radiographs revealed significant osteolysis and metallic debris around the femoral stem. Intraoperatively, the patient had a grossly loose femoral component with debonding of sintered beads from the femoral stem, as well as evidence of taper corrosion. We identify a failure of a modern beaded femoral component in conjunction with taper corrosion. PMID- 29204484 TI - Pseudotumor in ceramic-on-metal total hip arthroplasty. AB - The increasing demand for total hip arthroplasty (THA) in relatively young, high demand patients has led to the use of hard-on-hard bearing surfaces. Adverse local tissue reaction/pseudotumor and elevated serum metal ion levels are commonly reported complications encountered in metal-on-metal THA, while audible articulation and rim fracture are reported in ceramic-on-ceramic THA. For this reason, ceramic-on-metal THA was implemented as an ideal hard-on-hard bearing combination. In this report, we describe a case of bilateral simultaneous ceramic on-metal THA in a 69-year-old woman who presented 7 years postoperatively with unilateral hip pain associated with underlying pseudotumor and elevated serum cobalt and chromium ion levels. Pre-revision workup, intraoperative findings, and postoperative evaluation are included and suggest acetabular malposition as a potential source for complication. PMID- 29204485 TI - Arthroprosthetic cobaltism associated with cardiomyopathy. AB - Systemic cobaltism related to metal-on-metal total hip arthroplasty has been published in case reports and series with effects on the cardiac, neurologic, endocrine, and immunologic systems. This case report presents a 46-year-old male who underwent bilateral metal-on-metal total hip arthroplasty and subsequently developed cardiomyopathy requiring left ventricular assist device implantation. Intervention with bilateral revision to non-cobalt-containing implants resulted in improved cardiac function. This case report will alert clinicians to the presentation of this rare but devastating complication while also displaying improvement following revision total hip arthroplasty. It is our hope this case will aid in early recognition and intervention of this condition. PMID- 29204486 TI - Fracture of the femoral adapter bolt and taper adapter in a modern rotating platform knee arthroplasty. AB - A 58-year-old woman presented with onset of pain associated with a popping sound after a twisting motion 4 years after left total knee revision arthroplasty. She had a complex medical history, including a reported bone cement allergy, and presented to the hospital unable to bear weight. Plain radiographs revealed a broken femoral component, with the femoral metaphyseal sleeve separated from the distal articular component. During surgery, it was observed that the femoral adapter bolt and taper adapter had both fractured. Scanning electron microscopy of the fracture surfaces of the components confirmed that the implant had failed in fatigue, presumably due to high cyclic loads. Failure at this junction has not been described previously. In this type of knee design, we recommend supporting the distal articular component either with bone, augmentation, and/or bone cement to reduce the risk for this mode of failure. PMID- 29204488 TI - False-negative synovial alpha-defensin. AB - We present a case of chronic periprosthetic hip infection diagnosed using the Musculoskeletal Infection Society criteria as the gold standard. The alpha defensin test was falsely negative. The diagnostic workup of the patient is detailed, along with a discussion regarding the potential reasons behind the misleading alpha-defensin results. To our knowledge, this is the first reported case of a false-negative alpha-defensin test in the setting of an open sinus tract communicating with a culture-positive total hip implant. The alpha-defensin test should be interpreted cautiously, along with all relevant pertinent clinical data. In certain cases, similar to those described here, the Musculoskeletal Infection Society criteria may perform better than this particular biomarker. PMID- 29204487 TI - Fatigue fracture of a cemented Omnifit CoCr femoral stem: implant and failure analysis. AB - A cemented, cast CoCr alloy, Omnifit Plus femoral stem was retrieved following mid-stem fracture after 24 years in vivo. The patient was an active 55-year-old male with a high body mass index (31.3) and no traumatic incidents before stem fracture. Fractographic and fatigue-based failure analyses were performed to illuminate the etiology of fracture and retrospectively predict the device lifetime. The fracture surfaces show evidence of a coarse grain microstructure, intergranular fracture, and regions of porosity. The failure analysis suggests that stems with similar metallurgical characteristics, biomechanical environments, and in vivo durations may be abutting their functioning lifetimes, raising the possibility of an increased revision burden. PMID- 29204489 TI - The cyclops lesion after bicruciate-retaining total knee replacement. AB - The cyclops lesion is a localized anterior arthrofibrosis most commonly seen following anterior cruciate ligament reconstruction. The lesion forms at the anterior cruciate ligament insertion creating a painful extension block between femoral intercondylar notch and tibial plateau. We present 2 cases (3 knees) in which cyclops lesions appeared atypically following bicruciate-retaining total knee replacement. Two lesions occurred in a single patient following bilateral knee replacement. One lesion occurred in an active sportswoman. All 3 resolved following arthroscopic debridement. We describe the presentation of this unusual complication and suggest keys to its diagnosis, treatment, and prevention. PMID- 29204490 TI - Lumbar chance fracture after direct anterior total hip arthroplasty. AB - This report describes a patient with ankylosing spondylitis (AS) who underwent total hip arthroplasty (THA) by the direct anterior approach and sustained a L4-5 extension fracture dislocation with neural deficits. A magnetic resonance imaging revealed an epidural hematoma at the site of the fracture causing critical stenosis. The patient was taken to the operating room for a L3-S1 posterior decompression with L2-pelvis posterior spinal fusion. AS and diffuse idiopathic skeletal hyperostosis create a stiff spine that predisposes to fractures because of the larger moment arms experienced than normal spines. The arthroplasty surgeon performing THA should be aware and take precautions to reduce stress on the spine. PMID- 29204491 TI - A simple technique to remove well-fixed acetabular components in revision of total hip arthroplasty. AB - Removing well-fixed acetabular components can be a challenge for orthopaedic surgeons in revision of total hip arthroplasty. Acetabular bone loss, fracture, and other complications occurred in extracting implants may result in instability and fail of revision. Thus, instruments are developed to avoid such complications. We report a simple technique by drilling a tunnel on the superolateral quadrant of acetabulum and using an offset staff to remove acetabular components without many matching units. The procedure of removing well fixed acetabular components is a simple, efficient, inexpensive, bone stock preserving technique. PMID- 29204492 TI - Joint replacement surgery in homeless veterans. AB - Total joint arthroplasty (TJA) in a homeless patient is generally considered contraindicated. Here, we report our known medical and social (housing and employment) results of homeless veterans who had TJA. Thirty-seven TJAs were performed on 33 homeless patients (31 men) at our hospital between November 2000 and March 2014. This was 1.2% of all TJAs. Average age was 54 years. Average hospital stay was 4.1 days. There were no major inpatient complications. Thirty four cases had at least 1-year follow-up in any clinic within the Veterans Affairs health care system. There were no known surgery-related reoperations or readmissions. At final follow-up, 24 patients had stable housing and 9 were employed. The extensive and coordinated medical and social services that were provided to veterans from the Department of Veterans Affairs contributed to our positive results. PMID- 29204493 TI - Comparison of adverse events rates and hospital cost between customized individually made implants and standard off-the-shelf implants for total knee arthroplasty. AB - Background: This study compares selected hospital outcomes between patients undergoing total knee arthroplasty (TKA) using either a customized individually made (CIM) implant or a standard off-the-shelf (OTS) implant. Methods: A retrospective review was conducted on 248 consecutive TKA patients treated in a single institution, by the same surgeon. Patients received either CIM (126) or OTS (122) implants. Study data were collected from patients' medical record or the hospital's administrative billing record. Standard statistical methods tested for differences in selected outcome measures between the 2 study arms. Results: Compared with the OTS implant study arm, the CIM implant study arm showed significantly lower transfusion rates (2.4% vs 11.6%; P = .005); a lower adverse event rate at both discharge (CIM 3.3% vs OTS 14.1%; P = .003) and 90 days after discharge (CIM 8.1% vs OTS 18.2%; P = .023); and a smaller percentage of patients were discharged to a rehabilitation or other acute care facility (4.8% vs 16.4%; P = .003). Total average real hospital cost for the TKA hospitalization between the 2 groups were nearly identical (CIM $16,192 vs OTS $16,240; P = .913). Finally, the risk-adjusted per patient total cost of care showed a net savings of $913.87 (P = .240) per patient for the CIM-TKA group, for bundle of care including the preoperative computed tomography scan, TKA hospitalization, and discharge disposition. Conclusions: Patients treated with a CIM implant had significantly lower transfusion rates, fewer adverse event rates, and were less likely to be discharged to a rehabilitation facility or another acute care facility. These outcomes were achieved without increasing costs. PMID- 29204494 TI - A classification-based approach to the patella in revision total knee arthroplasty. AB - Background: There is a paucity of data to guide management of the patella in revision total knee arthroplasty (RTKA). The purpose of this study was to review our experience with patellar management in RTKA. Methods: We retrospectively reviewed 422 consecutive RTKAs at a minimum of 2 years (mean, 42 months). Patellar management was guided by a classification that considered stability, size, and position of the implanted patellar component, thickness/quality of remaining bone stock, and extensor mechanism competence. Results: Management in 304 aseptic revisions included retention of a well-fixed component in 212 (69.7%) and revision using an all-polyethylene component in 46 (15.1%). Patella-related complications included 5 extensor mechanism ruptures (1.6%), 3 cases of patellar maltracking (1.0%), and 2 periprosthetic patellar fractures (0.7%). Of 118 2 stage revisions for infection, an all-polyethylene component was used in 88 (74.6%), patelloplasty in 20 (16.9%), and patellectomy in 7 (5.9%). Patella related complications included 4 cases of patellar maltracking (3.4%), 3 extensor mechanism ruptures (2.5%), and 1 periprosthetic patellar fracture (0.8%). Conclusions: Septic revisions required concomitant lateral releases more frequently (38.1% vs 10.9%; P < .02) but had a similar rate of patellar complications (6.8% vs 3.3%; P = .40). No cases required rerevision specifically for failure of the patellar component. Patients who had a patelloplasty had worse postoperative Knee Society functional scores than those with a retained or revised patellar component. In most aseptic RTKAs, a well-fixed patellar component can be retained. If revision is required, a standard polyethylene component is sufficient in most septic and aseptic revisions. Rerevisions related to the patellar component are infrequent. PMID- 29204495 TI - Radiolucencies surrounding acetabular components with three-dimensional coatings: artifact or real? AB - Background: Several 2-dimensional and 3-dimensional surfaces are available for cementless acetabular fixation. Plain radiographs are used to assess osseointegration; however, the radiographs are limited by their inability to capture the bone fixation process occurring over the 3-dimensional cup surface. In this cadaveric study, we compared the bone apposition between 2-dimensional and 3-dimensional cups. Methods: Both types of cups were implanted in 6 cadavers and pelvic radiographs obtained. Each cup was resected from the pelvis with adequate bone around it, and subsequently embedded in a polymer. Six sections of each cup were obtained to examine the metal and bone interface. Photographs and contact radiograph images were obtained for each section, and these were graded to arrive at percent metal-bone contact values for the cups. Results: On average, <30% of the cups' areas displayed radiolucencies on the pelvic radiographs for both cup types. For the section images and radiographs, there was about 80% aggregate contact between the cups and surrounding bone in both cup types. In the 3-dimensional cups group, some inconsistencies were found between the section photographs and the corresponding radiograph images. The radiolucencies observed on the section radiograph could not always be correlated with metal to bone gap on the section photograph. Conclusions: Good metal-bone contact (75% + contact area) was observed on both cup types. The inconsistencies found in the 3 dimensional cup group may be because of the interaction of radiographs with the unique porous cup surface resulting in artifactual radiolucencies. PMID- 29204496 TI - Comparison of postarthroplasty functional outcomes in skilled nursing facilities among Medicare and Managed Care beneficiaries. AB - Background: After home health care, the skilled nursing facility (SNF) is the most commonly used postacute care modality, among Medicare beneficiaries, after total joint arthroplasty. Prior studies demonstrated that a loss in postsurgical ambulatory gains is incurred in the interval between hospital discharge and arrival at the SNF. The aim of this present study is to determine the consequences of that loss in function, as well as compare SNF-related outcomes in patients with Medicare vs Managed Care (MC) insurance. Methods: We conducted a retrospective analysis of 80 patients (54 Medicare and 26 MC) who attended an SNF after hospitalization for total joint arthroplasty. Outcomes from physical therapy records were abstracted from each patient's SNF file. Results: There was an approximately 40% drop-off in gait achievements between hospital discharge and SNF admission. This decline in ambulation was significantly greater in Medicare patients (Medicare: 94.6 +/- 123.2 ft, MC: 40.0 +/- 48.9 ft, P = .034). Larger reductions in gait achievements between hospital discharge and SNF admission were significantly correlated with longer SNF lengths of stay and poorer gait achievements by SNF discharge. Patients with MC insurance made significant improvements in gait training at the SNF beyond that which was acquired at the hospital, whereas Medicare patients did not (PMedicare = .28, PMC = .003). Conclusions: Large losses in motor function between hospital discharge and SNF admission were associated with poor functional outcomes and longer stays at the SNF. These effects were more pronounced in Medicare patients than those with MC insurance. PMID- 29204497 TI - Decreased risk of knee buckling with adductor canal block versus femoral nerve block in total knee arthroplasty: a retrospective cohort study. AB - Background: Femoral nerve (FNB) and adductor canal blocks (ACB) are used in the setting of total knee arthroplasty (TKA), but neither has been demonstrated to be clearly superior. Although dynamometer studies have shown ACBs spare perioperative quadriceps function when compared to FNBs, ACBs have been widely adopted in orthopaedic surgery without significant evidence that they decrease the risk of perioperative falls. Methods: All patients who received single-shot FNB (129 patients) or ACB (150 patients) at our institution for unilateral primary TKA from April 2014 to September 2015 were retrospectively reviewed for perioperative falls or near-falls during physical therapy and inpatient care. Results: There were significantly more "near-falls" with documented episodes of knee buckling in the FNB group (17 vs 3, P = .0004). These patients' first buckling episode occurred at an average of 21.1 hours postoperatively (standard deviation 5.83, range 13.83-41.15). There were no significant differences in pain scores between the 2 groups at any of the time periods measured; however, patients in the FNB group consumed significantly fewer opioids on postoperative day 1 than the ACB group (59 morphine equivalents vs 73, P = .004). Conclusions: A significantly higher rate of near-falls with knee buckling during in-hospital physical therapy was discovered in the FNB group. With increasing numbers of TKAs being performed on a "fast-track" discharge model, these results must be seriously considered, particularly in patients planning to go home the same day, to reduce the risk of postoperative falls. These data support the recent clinical data trend favoring ACB over FNB in orthopaedic surgery. PMID- 29204498 TI - Strategies for reducing implant costs in the revision total knee arthroplasty episode of care. AB - Background: Implant price has been identified as a significant contributing factor to high costs associated with revision total knee arthroplasty (rTKA). The goal of this study is to analyze the cost of implants used in rTKAs and to compare this pricing with 2 alternative pricing models. Methods: Using our institutional database, we identified 52 patients from January 1, 2014 to December 31, 2014. Average cost of components for each case was calculated and compared to the total hospital cost for that admission. Costs for an all component revision were then compared to a proposed "direct to hospital" (DTH) standardized pricing model and a fixed price revision option. Potential savings were calculated from these figures. Results: On average, 28% of the total hospital cost was spent on implants for rTKA. The average cost for revision of all components was $13,640 and ranged from $3000 to $28,000. On average, this represented 32.7% of the total hospital cost. Direct to hospital implant pricing could potentially save approximately $7000 per rTKA, and the fixed pricing model could provide a further $1000 reduction per rTKA-potentially saving $8000 per case on implants alone. Conclusions: Alternative implant pricing models could help lower the total cost of rTKA, which would allow hospitals to achieve significant cost containment. PMID- 29204499 TI - Variance in predicted cup size by 2-dimensional vs 3-dimensional computerized tomography-based templating in primary total hip arthroplasty. AB - Background: Preoperative total hip arthroplasty templating can be performed with radiographs using acetate prints, digital viewing software, or with computed tomography (CT) images. Our hypothesis is that 3D templating is more precise and accurate with cup size prediction as compared to 2D templating with acetate prints and digital templating software. Methods: Data collected from 45 patients undergoing robotic-assisted total hip arthroplasty compared cup sizes templated on acetate prints and OrthoView software to MAKOplasty software that uses CT scan. Kappa analysis determined strength of agreement between each templating modality and the final size used. t tests compared mean cup-size variance from the final size for each templating technique. Interclass correlation coefficient (ICC) determined reliability of digital and acetate planning by comparing predictions of the operating surgeon and a blinded adult reconstructive fellow. Results: The Kappa values for CT-guided, digital, and acetate templating with the final size was 0.974, 0.233, and 0.262, respectively. Both digital and acetate templating significantly overpredicted cup size, compared to CT-guided methods (P < .001). There was no significant difference between digital and acetate templating (P = .117). Interclass correlation coefficient value for digital and acetate templating was 0.928 and 0.931, respectively. Conclusions: CT-guided planning more accurately predicts hip implant cup size when compared to the significant overpredictions of digital and acetate templating. CT-guided templating may also lead to better outcomes due to bone stock preservation from a smaller and more accurate cup size predicted than that of digital and acetate predictions. PMID- 29204500 TI - Intraoperative chlorhexidine irrigation to prevent infection in total hip and knee arthroplasty. AB - Background: Surgical site irrigation during total hip (THA) and total knee (TKA) arthroplasty is a routine practice among orthopaedic surgeons to prevent periprosthetic joint infection. The purpose of this study was to evaluate the effect of chlorhexidine gluconate (CHG) irrigation on infection rates following THA and TKA. Methods: Arthroplasties performed before September 2014 served as controls. THA performed before September 2014 (N = 253) underwent intraoperative irrigation with 0.9% saline followed by a 2-minute soak with <2% dilute povidone iodine. TKA (N = 411) patients underwent only intraoperative saline irrigation. After October 2014, all patients (248 TKA and 138 THA) received intraoperative irrigation with 0.9% saline and periodic 0.05% CHG solution followed by a final 1 minute soak in CHG with immediate closure afterward. Results: In this 2:1 comparison of consecutive patients, there were no differences in patient demographics between the 2 groups. No difference was noted in wound healing concerns subjectively, and no statistically significant association in nonsurgical site infections, superficial surgical site infection, and deep surgical site infection rates between the 2 groups (nonsurgical site infections [THA: P = .244, TKA: P = .125]; superficial surgical site infection [THA: P = .555, TKA: P = .913]; and deep surgical site infection [THA: P = .302, TKA: P = .534]). Conclusions: We were unable to discern a difference in infection rates between chlorhexidine irrigation and our prior protocols using dilute Betadine for THA and 0.9% saline for TKA. The theoretic advantages of dilute CHG retention during closure appear to be safe without infectious concerns. PMID- 29204501 TI - Academic productivity among fellowship associated adult total joint reconstruction surgeons. AB - Background: The Hirsch index (h-index) is a measure that evaluates both research volume and quality-taking into consideration both publications and citations of a single author. No prior work has evaluated academic productivity and contributions to the literature of adult total joint replacement surgeons. This study uses h-index to benchmark the academic impact and identify characteristics associated with productivity of faculty members at joint replacement fellowships. Methods: Adult reconstruction fellowship programs were obtained via the American Association of Hip and Knee Surgeons website. Via the San Francisco match and program-specific websites, program characteristics (Accreditation Council for Graduate Medical Education approval, academic affiliation, region, number of fellows, fellow research requirement), associated faculty members, and faculty specific characteristics (gender, academic title, formal fellowship training, years in practice) were obtained. H-index and total faculty publications served as primary outcome measures. Multivariable linear regression determined statistical significance. Results: Sixty-six adult total joint reconstruction fellowship programs were identified: 30% were Accreditation Council for Graduate Medical Education approved and 73% had an academic affiliation. At these institutions, 375 adult reconstruction surgeons were identified; 98.1% were men and 85.3% had formal arthroplasty fellowship training. Average number of publications per faculty member was 50.1 (standard deviation 76.8; range 0-588); mean h-index was 12.8 (standard deviation 13.8; range 0-67). Number of fellows, faculty academic title, years in practice, and formal fellowship training had a significant (P < .05) positive correlation with both h-index and total publications. Conclusions: The statistical overview presented in this work can help total joint surgeons quantitatively benchmark their academic performance against that of their peers. PMID- 29204502 TI - Preoperative radiographic valgus alignment predicts the extent of lateral soft tissue release and need for constraint in valgus total knee arthroplasty. AB - Background: In total knee arthroplasty (TKA) for valgus knees, the decision to use a constrained implant is often made intraoperatively depending on the extent of soft tissue releases performed and residual soft tissue imbalance. The purpose of this study is to determine if preoperative radiographic criteria of valgus knees can predict the extent of soft tissue releases required and the level of constraint needed to balance the knee during TKA. Methods: A single surgeon's 807 consecutive TKA standing hip-knee-ankle radiographs from 2007-2012 were analyzed. One hundred eighty-seven valgus knees were identified and annotated. Statistical univariate and multivariate analyses were performed for both outcomes, lateral release and articulation, to assess the association with risk factors of gender, age, and preoperative radiographic markers of valgus deformity. A P-value <.05 represented a significant difference between groups. Results: Use of a constrained articulation was associated with increased valgus deformity (mechanical hip-knee-ankle angle, P < .0001) and extent of lateral soft tissue release (P < .0001). No relationship existed between the use of a constrained articulation and age or gender (P > .05). A preoperative anatomic tibiofemoral valgus angle of >16.8 degrees was associated with the use of a constrained articulation during surgery. Conclusions: Our data demonstrate that preoperative radiographic characteristics of the valgus knee can be utilized to predict the extent of lateral soft tissue release and whether a constrained articulation will be required in TKA. This will provide surgeons with useful information to offer accurate preoperative counseling to patients and to ensure that the appropriate prosthetic parts are available during surgery. PMID- 29204503 TI - Bicompartmental knee arthroplasty vs total knee arthroplasty for the treatment of medial compartment and patellofemoral osteoarthritis. AB - Background: Interest in bicompartmental knee arthroplasty (BKA) for the treatment of medial patellofemoral osteoarthritis (MPFOA) has grown in recent years because BKA offers a bone and ligament-preserving alternative to total knee arthroplasty (TKA). BKA only resurfaces the diseased compartments, while preserving proprioception and native knee kinematics. Therefore, the objective of this study is to assess knee function, perioperative morbidity, and implant survivability in patients undergoing BKA vs TKA for MPFOA. Methods: The databases MEDLINE, PUBMED, and EMBASE were systematically searched. Randomized controlled trials and nonrandomized comparative studies comparing BKA with TKA for the treatment of MPFOA were included for further analysis. The primary outcome of interest was knee function. Secondary outcomes included range of movement, operation length, intraoperative blood loss, hospital length of stay, postoperative complications, and rate of revision length. The quality of evidence was evaluated using the GRADE approach. Meta-analysis was performed by pooling the results of the selected studies when possible. Results: Six studies were selected for inclusion (4 prospective studies and 2 retrospective cohort studies). In total, 274 patients and 277 knees were included for analysis. There were no significant differences between the 2 groups at any time points in terms of knee function, length of stay, complication rate, or revision rate, when monolithic BKA designs were controlled for. BKA did result in significantly decreased intraoperative blood loss, at the expense of increased operative length compared with TKA. Conclusions: The use of modular BKA for MPFOA is comparable with TKA in terms of short-term function, complication rate, and revision rate. BKA reduces intraoperative blood losses, but it is also more technically demanding, resulting in increased operation length. The use of modular BKA has acceptable short-term outcomes, but more long-term data are needed before it can be recommended for routine use in the treatment of MPFOA. The selection of modular BKA should be determined on a patient-specific basis. Currently, there is no evidence to suggest the use of monolithic BKA designs because of their high revision and failure rate. PMID- 29204505 TI - Of Mice and Men and Metaplasia. PMID- 29204506 TI - A Twist in the Tale of a Pig Model of Short-Bowel Syndrome. PMID- 29204504 TI - Self-renewing Monolayer of Primary Colonic or Rectal Epithelial Cells. AB - Background & Aims: Three-dimensional organoid culture has fundamentally changed the in vitro study of intestinal biology enabling novel assays; however, its use is limited because of an inaccessible luminal compartment and challenges to data gathering in a three-dimensional hydrogel matrix. Long-lived, self-renewing 2 dimensional (2-D) tissue cultured from primary colon cells has not been accomplished. Methods: The surface matrix and chemical factors that sustain 2-D mouse colonic and human rectal epithelial cell monolayers with cell repertoires comparable to that in vivo were identified. Results: The monolayers formed organoids or colonoids when placed in standard Matrigel culture. As with the colonoids, the monolayers exhibited compartmentalization of proliferative and differentiated cells, with proliferative cells located near the peripheral edges of growing monolayers and differentiated cells predominated in the central regions. Screening of 77 dietary compounds and metabolites revealed altered proliferation or differentiation of the murine colonic epithelium. When exposed to a subset of the compound library, murine organoids exhibited similar responses to that of the monolayer but with differences that were likely attributable to the inaccessible organoid lumen. The response of the human primary epithelium to a compound subset was distinct from that of both the murine primary epithelium and human tumor cells. Conclusions: This study demonstrates that a self-renewing 2-D murine and human monolayer derived from primary cells can serve as a physiologically relevant assay system for study of stem cell renewal and differentiation and for compound screening. The platform holds transformative potential for personalized and precision medicine and can be applied to emerging areas of disease modeling and microbiome studies. PMID- 29204507 TI - Clocking the Pace of Organoid Research. PMID- 29204508 TI - Advancing Intestinal Organoid Technology Toward Regenerative Medicine. AB - With the emergence of technologies to culture intestinal epithelial cells in vitro as various forms of intestinal organoids, there is growing interest in using such cultured intestinal cells as a source for tissue engineering and regenerative medicine. One such approach would be to combine the organoid technology with methodologies to engineer the culture environment, particularly the three-dimensional scaffold materials, to generate intestines that exquisitely recapitulate their original structures and functions. Another approach to use organoids for regenerative medicine would be to urge them to mature into functional intestines by implanting them into hosts. This process includes the tissue-engineered small intestine that uses synthetic scaffolds for tissue regeneration and direct organoid transplantation that takes advantage of submucosal tissues in the native intestines as a scaffold. Further study in these subfields could lead to the development of therapeutic options to use different types of organoids with various cell types in regenerative medicine for intestinal diseases in humans. PMID- 29204510 TI - Ovarian yolk sac tumor coexisting with epithelial ovarian cancer: An aggressive rare entity. AB - Yolk sac tumor (YST) is the second most common subtype of ovarian germ cell tumors. It usually occurs in the second and third decades of life and is rare in postmenopausal women. In postmenopausal women, YST is commonly an aggressive tumor and can present as a pure germ cell component or as a mixed component with other germ cell or epithelial components. The recognition of this histological subtype is important not only for differential diagnosis but also for determining prognosis and treatment decisions. In this case report, we describe a 61-year-old woman with YST coexisting with epithelial carcinoma focusing on the efficacy of systemic therapies. PMID- 29204509 TI - Evaluation of semi-automatic image analysis tools for cerebrospinal fluid electrophoresis of IgG oligoclonal bands. AB - Background: IgG concentrations in cerebrospinal fluid generally range from 20 to 45 mg/L. In multiple sclerosis immune reactions lead to intrathecal synthesis of specific IgGs that can be detected in biological fluid samples both quantitatively and qualitatively by isoelectric focusing of supplementary oligoclonal IgG bands. Method: A simple tool, using the MATLAB application, to facilitate and improve isoelectric focusing profile analysis is presented and evaluated in terms of its sensitivity, repeatability and reproducibility. A comparison between human readers and semi-automatic method has also been performed. Results: Results from the semi-automatic method were found to be equivalent or superior to generally employed laboratory methods. Repeatability analysis for semi-automatic processing yielded coefficients of variation (CVs) in the 3-7% range, and using a sample with an estimated IgG concentration of 200 mg/L, four bands were still visible after dilution to 5 mg/L, corresponding to band concentrations of 1.1-1.6 mg/L. Discordances between visual inspection and automatic analysis only appear at threshold levels for interpretation (the gray zone). Conclusion: The semi-automatic method has acceptable performance for routine implementation. PMID- 29204511 TI - SMARCA4 germline gene mutation in a patient with epithelial ovarian: A case report. AB - Background: SMARCA4 is gene whose protein product participates in chromatin remodeling. Somatic mutations in this gene are associated with non-small cell lung cancer and malignant rhabdoid tumors, and both germline and somatic mutations are seen with small cell carcinoma of the ovary, hypercalcemic type. To date, there are no data identifying an association with more common epithelial carcinomas of the ovary. Case: The patient is a 57-year-old female without any significant family history of cancer, diagnosed with high-grade serous carcinoma of the ovary. Per guideline, she underwent genetic testing, and was found to have a deleterious germline SMARCA4 mutation. She was treated with standard chemotherapy and an optimal tumor reduction, with a complete response to treatment. Conclusion: The etiology of this patient's high-grade serous carcinoma is unknown. If the SMARCA4 gene plays a role in serous ovarian carcinoma it is with variable expressivity. Further investigation into the role of SMARCA4 as a susceptibility gene for epithelial ovarian cancer is warranted. PMID- 29204512 TI - BRCA and lynch syndrome-associated ovarian cancers behave differently. PMID- 29204513 TI - Motherhood, Fatherhood and Midlife Weight Gain in a US Cohort: Associations differ by race/ethnicity and socioeconomic position. AB - While there is an association of greater short-term weight gain with childbearing among women, less is known about longer-term weight gain, whether men have similar gains, and how this varies by race/ethnicity and socioeconomic position. Our cohort consisted of a nationally representative sample of 7,356 Americans with oversampling of Black and Hispanic populations. We estimated the associations between number of biological children and parental weight, measured as both change in self-reported body mass index (BMI) from age 18 and overweight/obese status (BMI >= 25) at age 40. We performed multivariate linear and logistic regression analysis and tested for effect modification by gender. For change in BMI, men gained on average 0.28 BMI (95% CI: (0.01, 0.55)) units per child, while women gained 0.13 units per child (95% CI: (-0.22, 0.48)). The adjusted odds ratios for overweight/obesity associated with each child were 1.32 (95% CI: (1.11, 1.58)) for men and 1.15 (95% CI: (1.01, 1.31)) for women. Stratified analyses by race/ethnicity and socioeconomic position suggested that the observed full-cohort differences were driven primarily by gendered differences in low-income Hispanics and Whites - with the greatest associations among Hispanic men. For example, among low-income Hispanic men we observed a positive relationship between the number of children and weight change by age 40, with average weight change of 0.47 units per child (95%CI: (-0.65, 1.59 For low income Hispanic women, however, the average weight change was -0.59 units per child (95%CI: (-1.70, 0.47), and the P-value for the test of interaction between gender and number of children was P < 0.001. Our findings suggest that the shared social and economic aspects of raising children play an important role in determining parental weight at mid-life. PMID- 29204514 TI - Tuberculosis among Jimma University Undergraduate Students: First Insight about the Burden of Tuberculosis in Ethiopia Universities-Cross-Sectional Study. AB - Background: Ethiopian universities are facilities where students live in relative overcrowding condition. This might favor the chance of tuberculosis transmission among students. This study was done to determine the magnitude and associated factors of tuberculosis among Jimma University students. Methods: A cross sectional study was done from February 2015 to July 2015. Hundred twenty-nine consented participants were interviewed using structured questionnaire. Biological specimens were collected and cultured on Mycobacterium Growth Indicator Tube. Mycobacterium tuberculosis complex verification was done by SD BIOLINE TB Ag MPT64 Rapid test. Frequency distribution, logistic regression, and independent sample t-test were used to analyze the data using SPSS Version 20. Result: Magnitude of all forms of tuberculosis among Jimma University undergraduate students was 209.1 per 100000-student population. Contact history [AOR: 4.76, 95% CI (1.31-17.31)], smoking [AOR: 6.67, 95% CI (1.51-29.44)], khat chewing [AOR: 5.56, 95% CI (1.66-18.69)], and low body mass index [AOR: 5.37, 95% CI (1.46-19.78)] were determinants of tuberculosis. Conclusion: The magnitude of tuberculosis among Jimma University undergraduate students is high. TB is associated with previous tuberculosis patient contact and behavioral factors. Hence, students with these risk factors should be given enough attention for the control of TB in Jimma University. PMID- 29204515 TI - Parastomal Hernia Repair with Intraperitoneal Mesh. AB - Purpose: Parastomal hernia is a common complication following a stoma and may cause leakage or incarceration. No optimal treatment has been established, and existing methods using mesh repair are associated with high recurrence rates and a considerable risk for short- and long-term complications including death. A double-layer intraperitoneal on-lay mesh (IPOM), the Parastomal Hernia Patch (BARDTM), consisting of ePTFE and polypropylene, has been developed and tailored to avoid recurrence. To evaluate the safety of and recurrence rate using this mesh, a nonrandomised prospective multicentre study was performed. Method: Fifty patients requiring surgery for parastomal hernia were enrolled. Clinical examination and CT scan prior to surgery were performed. All patients were operated on using the Parastomal Hernia Patch (BARD). Postoperative follow-up at one month and one year was scheduled to detect complications and hernia recurrence. Results: The postoperative complication rate at one month was 15/50 (30%). The parastomal hernia recurrence rate at one year was 11/50 (22%). The reoperation rate at one month was 7/50 (14%), and further 5/50 (10%) patients were reoperated on during the following eleven months. PMID- 29204517 TI - Proteomic analysis of AQP11-null kidney: Proximal tubular type polycystic kidney disease. AB - Autosomal Dominant Polycystic Kidney Disease (ADPKD) is caused by the mutation of polycystins (PC-1 or PC-2), in which cysts start from the collecting duct to extend to all nephron segments with eventual end stage renal failure. The cyst development is attenuated by a vasopressin V2 receptor antagonist tolvaptan which, however, will not affect proximal tubule cysts devoid of V2 receptor. Aquaporin-11 (AQP11) is expressed selectively in the proximal tubule of the kidney and AQP11-null kidneys have a disruptive PC-1 trafficking to the plasma membrane to develop polycystic kidneys. Here, we analyzed AQP11-null kidneys at the beginning of cyst formation by quantitative proteomic analysis using Tandem Mass Tag (TMT). Among ~ 1200 identified proteins, 124 proteins were differently expressed by > 1.5 or < 0.8 fold change. A pancreatic stone inhibitor or a growth factor, lithostathine-1 (Reg1) was most enhanced by 5 folds which was confirmed by western blot, while mitochondria-related proteins were downregulated. The identified proteins will be new target molecules for the treatment of proximal tubular cysts and helpful to explore the functional roles of AQP11 in the kidney. PMID- 29204516 TI - Cross-Laboratory Analysis of Brain Cell Type Transcriptomes with Applications to Interpretation of Bulk Tissue Data. AB - Establishing the molecular diversity of cell types is crucial for the study of the nervous system. We compiled a cross-laboratory database of mouse brain cell type-specific transcriptomes from 36 major cell types from across the mammalian brain using rigorously curated published data from pooled cell type microarray and single-cell RNA-sequencing (RNA-seq) studies. We used these data to identify cell type-specific marker genes, discovering a substantial number of novel markers, many of which we validated using computational and experimental approaches. We further demonstrate that summarized expression of marker gene sets (MGSs) in bulk tissue data can be used to estimate the relative cell type abundance across samples. To facilitate use of this expanding resource, we provide a user-friendly web interface at www.neuroexpresso.org. PMID- 29204518 TI - The pervasive crisis of diminishing radiation therapy access for vulnerable populations in the United States, part 1: African-American patients. AB - Introduction: African Americans experience the highest burden of cancer incidence and mortality in the United States and have been persistently less likely to receive interventional care, even when such care has been proven superior to conservative management by randomized controlled trials. The presence of disparities in access to radiation therapy (RT) for African American cancer patients has rarely been examined in an expansive fashion. Methods and materials: An extensive literature search was performed using the PubMed database to examine studies investigating disparities in RT access for African Americans. Results: A total of 55 studies were found, spanning 11 organ systems. Disparities in access to RT for African Americans were most prominently study in cancers of the breast (23 studies), prostate (7 studies), gynecologic system (5 studies), and hematologic system (5 studies). Disparities in RT access for African Americans were prevalent regardless of organ system studied and often occurred independently of socioeconomic status. Fifty of 55 studies (91%) involved analysis of a population-based database such as Surveillance, Epidemiology and End Result (SEER; 26 studies), SEER-Medicare (5 studies), National Cancer Database (3 studies), or a state tumor registry (13 studies). Conclusions: African Americans in the United States have diminished access to RT compared with Caucasian patients, independent of but often in concert with low socioeconomic status. These findings underscore the importance of finding systemic and systematic solutions to address these inequalities to reduce the barriers that patient race provides in receipt of optimal cancer care. PMID- 29204519 TI - Cardiac-sparing radiation therapy using positioning breast shell for patients with left-sided breast cancer who are ineligible for breath-hold techniques. AB - Purpose: Patients with left-sided breast cancer (LSBC) are at increased risk of cardiac morbidity from adjuvant breast radiation therapy (ABRT). Breath-hold (BH) techniques substantially reduce the radiation received by heart during radiation therapy for LSBC. However, a subset of patients with LSBC are ineligible for BH techniques due to an inability to breath-hold or because of other comorbidities. To reduce radiation to the heart, we routinely use a custom-made breast shell for the treatment of patients with LSBC who are ineligible for BH techniques. This study evaluates the dosimetric impact of using a breast shell for patients with LSBC undergoing ABRT. Methods and materials: Sixteen consecutive patients with LSBC who failed BH and underwent ABRT using a breast shell during the period of 2014 to 2016 were identified. Treatment was planned using field-in-field tangents with a prescribed dose of 42.5 Gy in 16 fractions. Comparisons between plans with and without a shell were made for each patient using a paired t test to quantify the sparing of organs at risk (OARs) and target coverage. Results: There was no statistically significant difference in the planning target volume of breast coverage. A statistically significant improvement was observed in sparing the heart, left ventricle (LV), and ipsilateral lung (P-value < .001). Plans with the shell spared OARs better than the no-shell plans with a mean dose of 2.15 Gy versus 5.15 Gy (58.2% reduction) to the heart, 3.27 Gy versus 9.00 Gy (63.7% reduction) to the LV, and 5.16 Gy versus 7.95 Gy (35% reduction) to the ipsilateral lung. The irradiated volumes of OARs for plans with and without shell are 13.3 cc versus 59.5 cc (77.6% reduction) for the heart, 6.2 cc versus 33.2 cc (81.2% reduction) for the LV, and 92.8 cc versus 162.5 cc (42.9% reduction) for the ipsilateral lung. Conclusions: A positioning breast shell offers significant benefit in terms of sparing the heart for patients with LSBC who are ineligible for BH techniques. It also can be used as a simple cardiac-sparing alternative in centers without BH capability. PMID- 29204520 TI - Comprehensive assessment of circulating immune cell populations in response to stereotactic body radiation therapy in patients with liver cancer. AB - Stereotactic body radiation therapy (SBRT) can positively influence an antitumor immune response by inducing necrotic cell death. SBRT also been shown to eliminate tumors outside the radiation therapy field through an immune-mediated process known as the abscopal effect. Recent advances in immunotherapy may provide new therapeutic approaches for patients with liver cancer. Therefore, understanding the immune status of patients with cancer will likely guide how immunotherapy might be used in combination with SBRT. We hypothesized that we would observe changes in circulating blood immune cell populations of patients who received SBRT for liver tumors. Therefore, we assessed 110 immunophenotypes in the peripheral blood of 10 patients with liver cancer or metastases to the liver pretreatment and 2 posttreatment time points. Patients with liver cancer and metastatic patients both exhibited several immunophenotypic abnormalities at baseline compared with a group of healthy volunteer controls. In longitudinal studies, SBRT caused a specific reduction in CD3+ T cell counts and immature CD56brCD16- NK cell counts. The immune profiling and potential identification of circulating biomarkers shown here could lead to the design of combinatorial approaches with SBRT and immunotherapy to optimize the timing of treatment and direct the most effective immunotherapy with SBRT. PMID- 29204521 TI - Factors influencing the utilization of prophylactic cranial irradiation in patients with limited-stage small cell lung cancer. AB - Purpose: Brain metastases are common in patients with limited-stage small cell lung cancer (LS-SCLC) due to the inability of most chemotherapeutics to penetrate the blood-brain barrier. Prophylactic cranial irradiation (PCI) is therefore recommended for use in patients with a good response to concurrent chemoradiotherapy. However, PCI is not always delivered; therefore, we investigated the reasons for PCI omission in patients who underwent therapy with curative intent. Methods and materials: We retrospectively reviewed all patients with LS-SCLC who were treated with curative intent at our institution. Overall survival and cumulative incidence of brain metastasis were estimated by the Kaplan-Meier method. The Pearson chi2 test and Mann-Whitney U test were used to examine factors associated with PCI use, and prognostic factors were analyzed with Cox proportional hazards modeling. Results: We examined 208 patients who were treated for LS-SCLC at our institution. A total of 115 patients (55%) received PCI. The most common documented reason for PCI omission was patient refusal due to neurotoxicity concerns (38%). Physician assessment of being medically unfit (33%) and of advanced age (8%) were the second and third most common reasons, respectively. Karnofsky performance status and clinical American Joint Committee on Cancer stage but not PCI were significantly associated with overall survival. Only clinical stage remained an independent factor on multivariate analysis. Conclusions: Approximately half of patients with LS-SCLC ultimately receive PCI, generally for guideline-recommended reasons. The most common reason for PCI omission was patient concerns regarding neurotoxicity. Efforts to decrease PCI neurotoxicity, including hippocampal-sparing radiation and memantine use, may increase the use of this survival-improving intervention in eligible patients with LS-SCLC. PMID- 29204522 TI - Single fraction stereotactic radiosurgery for multiple brain metastases. AB - Introduction: Due to the neurocognitive side effects of whole brain radiation therapy (WBRT), stereotactic radiosurgery (SRS) is being used with increasing frequency. The use of SRS is expanding for patients with multiple (>4) brain metastases (BM). This study summarizes our institutional experience with single fraction, linear-accelerator-based SRS for multiple BM. Methods and materials: All patients who were treated between January 1, 2013, and September 30, 2015, with single-fraction SRS for >=4 BM were included in this institutional review board-approved, retrospective, single-institution study. Patients were treated with linear accelerator-based image guided SRS. Results: A total of 59 patients with >=4 BM were treated with single-fraction SRS. The median follow-up was 15.2 months, and the median overall survival for the entire cohort was 5.8 months. The median number of treated lesions per patient was 5 (range, 4-23). Per patient, the median planning target volume (PTV) was 4.8 cc (range, 0.7-28.8 cc). The prescribed dose across all 380 BM for the 59 patients ranged from 7 to 20 Gy. The median of the mean dose to the total PTV was 19.5 Gy. Although the number of treated lesions (4-5 vs >=6) did not influence survival, better survival was noted for a total PTV <10 cc versus >=10 cc (7.1 vs 4.2 months, respectively; P = .0001). A mean dose of >=19 Gy to the entire PTV was also associated with increased survival (6.6 vs 5.0 months, respectively; P = .0172). Patients receiving a dose of >12 Gy to >=10 cc of normal brain had worse survival (5.1 vs 8.6 months, respectively; P = .0028). Conclusion: In single-fraction SRS for patients with multiple BM, smaller total tumor volume, higher total dose, and lower volume of normal brain receiving >12 Gy were associated with increased survival. These data suggest that using SRS for the treatment of multiple BM is efficacious and that outcomes may be affected more by total tumor volume than by the number of lesions. PMID- 29204523 TI - Fractionated stereotactic radiation therapy for intact brain metastases. AB - Purpose: Limited data exist on fractionated stereotactic radiation therapy (FSRT) for brain metastases. We sought to evaluate the safety and efficacy of FSRT and further define its role in brain metastasis management. Methods and materials: A total of 72 patients were treated with linear accelerator-based FSRT to 182 previously untreated, intact brain metastases. Targets received 25 or 30 Gy in 5 fractions. All targets within the same course received the same prescription regardless of size. Toxicity was recorded per Radiation Therapy Oncology Group central nervous system toxicity criteria. Results: The median follow-up was 5 months (range, 1-71 months). The Kaplan-Meier estimate of 12-month local control was 86%. Tumors <3 cm in diameter demonstrated improved 12-month local control of 95% compared with 61% in tumors >=3 cm (P < .001). The Kaplan-Meier estimate of 12-month local control was 91% in tumors treated with 30 Gy and only 75% in tumors treated with 25 Gy (P = .015). Tumor diameter >=3 cm resulted in increased local failure, and a 30 Gy prescription resulted in decreased local failure on multivariate analysis (hazard ratio [HR], 8.11 [range, 2.09-31.50; P = .003] and HR, 0.26 [range, 0.07-0.93; P = .038]). Grade 4 central nervous system toxicity occurred in 4 patients (6%) requiring surgery, and no patient experienced irreversible grade 3 or 5 toxicity. Increasing tumor diameter was associated with increased toxicity risk (HR, 2.45 [range, 1.04-5.742; P = .04]). Conclusions: FSRT for brain metastases appears to demonstrate a high rate of local control with minimal risk of severe toxicity. Local control appears to be associated with smaller tumor sizeand a higher prescription dose. FSRT is a viable option for those who are poor single-fraction candidates. PMID- 29204524 TI - Distant intracranial failure in melanoma brain metastases treated with stereotactic radiosurgery in the era of immunotherapy and targeted agents. AB - Purpose: Stereotactic radiosurgery (SRS) in combination with immunotherapy (IMT) or targeted therapy is increasingly being used in the setting of melanoma brain metastases (MBMs). The synergistic properties of combination therapy are not well understood. We compared the distant intracranial failure rates of intact MBMs treated with SRS, SRS + IMT, and SRS + targeted therapy. Methods and materials: Combination therapy was defined as delivery of SRS within 3 months of IMT (anti CTLA-4 /anti-PD-1 therapy) or targeted therapy (BRAF/MEK inhibitors). The primary endpoint was distant intracranial failure after SRS, which was defined as any new MBM identified on brain magnetic resonance imaging. Outcomes were evaluated using the Kaplan Meier method and Cox proportional hazards. Results: A total of 72 patients with melanoma with 233 MBMs were treated between April 2006 and April 2016. The number of MBMs within each treatment group was as follows: SRS: 121; SRS + IMT: 48; and SRS + targeted therapy: 64. The median follow-up was 8.9 months. One-year distant intracranial control rates for SRS, SRS + IMT, and SRS + targeted therapy were 11.5%, 60%, and 10%, respectively (P < .001). On multivariate analysis, after adjusting for steroid use and number of MBMs, SRS + IMT remained associated with a significant reduction in distant intracranial failure compared with SRS (hazard ratio [HR], 0.48; 95% confidence interval [CI], 0.29-0.80; P = .003) and compared with SRS + targeted therapy (HR, 0.41; 95% CI, 0.25-0.68; P = .001).One-year local control for SRS, SRS + IMT, and SRS + targeted therapy was 66%, 85%, and 72%, respectively (P = .044). On multivariate analysis, after adjusting for dose, SRS + IMT remained associated with a significant reduction in local failure compared with SRS alone (HR, 0.37; 95% CI, 0.14-0.95; P = .04). Conclusions: SRS with immunotherapy is associated with decreased distant and local intracranial failure compared with SRS alone. Prospective studies are warranted to validate this result. PMID- 29204525 TI - SBRT to adrenal metastases provides high local control with minimal toxicity. AB - Purpose: The adrenal glands are a common site of metastases because of their rich blood supply. Previously, adrenal metastases were treated with systemic chemotherapy or, more rarely, with surgical resection or palliative radiation therapy. Stereotactic body radiation therapy (SBRT) has recently emerged as an attractive noninvasive approach to definitively treat these lesions. We present our experience in treating adrenal metastases using SBRT and review the current literature. Methods and materials: This is a single-institution retrospective review of patients who received SBRT to adrenal metastases originating from various primary malignancies. Patients who were eligible for SBRT included those with limited metastatic disease (<=5 sites) with otherwise controlled metastatic disease and uncontrolled adrenal metastases. Results: Ten patients met the study's inclusion criteria and received SBRT doses of 30 to 48 Gy in 3 to 5 fractions. Acute sequelae of SBRT treatment included 4 patients with grades 1 or 2 nausea, 3 patients with grade 1 fatigue, and 1 with grade 1 diarrhea. The median follow-up was 6 months with a median overall survival of 9.9 months. One patient demonstrated progressive adrenal gland disease 18.8 months after SBRT treatment. Seven patients developed new distant metastases after treatment, with a median progression-free survival of 3.4 months. Three months after SBRT to the adrenal gland, 1 patient developed a gastrointestinal bleed. Conclusions: These results complement the limited existing body of literature by demonstrating that SBRT provides good control of treated adrenal gland metastasis; however, high grade late toxicities may occur. More stringent dose constraint limits may prevent associated serious adverse events. PMID- 29204526 TI - Outcomes and patterns of care in a nationwide cohort of pediatric medulloblastoma: Factors affecting proton therapy utilization. AB - Purpose: We examined national outcomes and patterns of care for pediatric patients with medulloblastoma (MB) in a large observational cohort. Methods and materials: Using the National Cancer Database, we evaluated the clinical features and survival outcomes of patients diagnosed with MB. The association between intervention, covariables, and outcome was assessed in a multivariable Cox analysis and through logistic regression analysis. Survival was estimated using the Kaplan-Meier method. Results: Among the 4032 patients in the National Cancer Database with pediatric brain tumors, 1300 patients met the inclusion criteria of histologic diagnosis, receipt of chemotherapy and radiation, and age <=18 years. The median age and follow-up were 8.4 years and 4.5 years, respectively. Five year survival was 79.0%. In the univariate analysis, inferior outcome (overall survival) was associated with rural residence (hazard ratio [HR], 2.78; 95% confidence interval [CI],1.47-5.29; P < .01) and histology (large cell; HR, 1.78; 95% CI,1.08-2.94; P < .05). In multivariable analysis, both remained significant predictors of survival (large cell: HR, 1.68; P < .05; rural residence: HR, 2.74; P < .01). In 2013, the utilization rate of proton therapy (23% of patients) in the United States surpassed intensity modulate radiation therapy (16%), more frequently for patients with higher income (P < .05) or more favorable insurance status (P < .05). Conclusions: As one of the largest data sets on pediatric MB, the observed variations in treatment intervention and survival outcomes may represent a target for further research. PMID- 29204527 TI - Outcomes and toxicity of 313 prostate cancer patients receiving helical tomotherapy after radical prostatectomy. AB - Purpose: There are limited long-term data on patients treated with image guided intensity modulated radiation therapy (IG-IMRT) for prostate cancer recurrence or high-risk disease features after radical prostatectomy. We report single institution results for patients treated with IG-IMRT and identify variables associated with outcome. Methods and materials: This is a retrospective chart review consisting of 313 consecutive patients who were treated with adjuvant or salvage IG-IMRT from 2004 to 2013. Cox proportional hazards analysis was used to identify factors related to survival and toxicity. Toxicity was graded using the Common Terminology Criteria for Adverse Events Version 4.0. Results: The median follow-up was 55 months (range, 6-131 months). The median pre-radiation therapy (RT) prostate-specific antigen (PSA) was 0.3 ng/mL (range, <0.01-55.4). The vast majority of patients (87%) received elective pelvic nodal irradiation (median dose: 45 Gy). Androgen deprivation therapy (ADT) was given to 39% of patients for a median of 9 months. Five-year biochemical progression-free survival and distant metastasis-free survival were 59% (95% confidence interval, 53%-66%) and 89% (95% confidence interval, 85%-93%), respectively. On multivariate analysis, higher pre RT PSA (>0.2 ng/mL), biopsy Gleason score (>=7 [4+3]), and duration of ADT (>6 months) were significantly associated (P < .05) with biochemical progression-free survival. Actuarial late grade 3 genitourinary and gastrointestinal toxicities at 5 years were 10% and 2%, respectively. Conclusion: Our results suggest that lower pre-RT PSA level and longer duration of ADT are associated with improved biochemical control. The incidence of late grade 3 gastrointestinal toxicity was low, but late grade 3 genitourinary toxicity was higher than anticipated. PMID- 29204528 TI - Serum testosterone changes in patients treated with radiation therapy alone for prostate cancer on NRG oncology RTOG 9408. AB - Objectives: We reviewed testosterone changes for patients who were treated with radiation therapy (RT) alone on NRG oncology RTOG 9408. Methods and materials: Patients (T1b-T2b, prostate-specific antigen <20 ng/mL) were randomized between RT alone and RT plus 4 months of androgen ablation. Serum testosterone (ST) levels were investigated at enrollment, RT completion, and the first follow-up 3 months after RT. The Wilcoxon signed rank test was used to compare pre- and post treatment ST levels in patients who were randomized to the RT-alone arm. Results: Of 2028 patients enrolled, 992 patients were randomized to receive RT alone and 917 (92.4%) had baseline ST values available and completed RT. Of these 917 patients, immediate and 3-month post-RT testosterone levels were available for 447 and 373 patients, respectively. Excluding 2 patients who received hormonal therapy off protocol after RT, 447 and 371 patients, respectively, were analyzed. For all patients, the median change in ST values at completion of RT and at 3 month follow-up were -30.0 ng/dL (p5-p95; -270.0 to 162.0; P < .001) and -34.0 ng/dL (p5-p95, -228.0 to 160.0; P < .01), respectively. Conclusion: RT for prostate cancer was associated with a median 9.2% decline in ST at completion of RT and a median 9.3% decline 3 months after RT. These changes were statistically significant. PMID- 29204529 TI - Late small bowel toxicity after aggressive abdominopelvic intensity modulated radiation therapy. AB - Purpose: We retrospectively analyzed late small bowel toxicity in patients who received abdominal or pelvic intensity modulated radiation therapy (IMRT) to the small bowel with a maximum dose greater than the generally accepted maximal tolerable dose of 45 Gy. Methods and materials: All patients (N = 94) who received IMRT with a point dose of at least 45 Gy to tightly contoured small bowel between 2005 and 2014 at our institution were included. The median prescribed treatment dose was 70.2 Gy. The median follow-up was 20.1 months. Late small bowel toxicity was assessed using the Common Terminology Criteria for Adverse Events Version 3.0. Dosimetric variables and clinical factors were assessed for their relationship to small bowel toxicity. Results: The median maximal small bowel point dose (Dmax) was 6546.5 cGy. The estimated 5-year rates of freedom from at least grade 1, at least grade 2, and at least grade 3 late small bowel toxicity were 72.4% (95% confidence interval [CI], 60.7%-86.5%), 91.9% (95% CI, 84.1%-100%), and 93.6% (95% CI, 86.2%-100%), respectively. One patient (1.1%) developed grade 3 late toxicity, and 2 patients (2.1%) developed grade 4 late toxicity. Use of capecitabine/5-fluorouracil treatment was a significant predictor (P < 0.001) of at least grade 1 and at least grade 2 small bowel toxicity. No other clinical factors were associated with toxicity. None of the dose-volume parameters were significant predictors of small bowel toxicity. Conclusion: It may be possible with IMRT to deliver high doses to small volumes of small bowel with low rates of significant long-term complications. Further studies should explore tolerable dose-volume relationships in cases in which aggressive abdominal or pelvic treatment may be warranted to treat the underlying malignancy. PMID- 29204530 TI - Hippocampal dose volume histogram predicts Hopkins Verbal Learning Test scores after brain irradiation. AB - Purpose: Radiation-induced cognitive decline is relatively common after treatment for primary and metastatic brain tumors; however, identifying dosimetric parameters that are predictive of radiation-induced cognitive decline is difficult due to the heterogeneity of patient characteristics. The memory function is especially susceptible to radiation effects after treatment. The objective of this study is to correlate volumetric radiation doses received by critical neuroanatomic structures to post-radiation therapy (RT) memory impairment. Methods and materials: Between 2008 and 2011, 53 patients with primary brain malignancies were treated with conventionally fractionated RT in prospectively accrued clinical trials performed at our institution. Dose-volume histogram analysis was performed for the hippocampus, parahippocampus, amygdala, and fusiform gyrus. Hopkins Verbal Learning Test-Revised scores were obtained at least 6 months after RT. Impairment was defined as an immediate recall score <=15. For each anatomic region, serial regression was performed to correlate volume receiving a given dose (VD(Gy)) with memory impairment. Results: Hippocampal V53.4Gy to V60.9Gy significantly predicted post-RT memory impairment (P < .05). Within this range, the hippocampal V55Gy was the most significant predictor (P = .004). Hippocampal V55Gy of 0%, 25%, and 50% was associated with tumor-induced impairment rates of 14.9% (95% confidence interval [CI], 7.2% 28.7%), 45.9% (95% CI, 24.7%-68.6%), and 80.6% (95% CI, 39.2%-96.4%), respectively. Conclusions: The hippocampal V55Gy is a significant predictor for impairment, and a limiting dose below 55 Gy may minimize radiation-induced cognitive impairment. PMID- 29204531 TI - Axillary lymph node coverage with 3-dimensional tangential field irradiation and correlation with heart and lung dose. AB - Purpose: The American College of Surgeons Oncology Group Z0011 trial indicated no benefit from axillary lymph node (LN) dissection after a positive sentinel LN biopsy in patients receiving breast irradiation, suggesting that level I-II LNs were covered in tangential fields. Methods and materials: We evaluated 50 computed tomography-based tangential breast plans and contoured level I-III axillary LNs using the Radiation Therapy Oncology Group guidelines. The volumes of level I-III LN regions covered by 90% and 95% of the prescription dose (PD) were calculated and correlated with the V20 ipsilateral lung and mean heart dose. We calculated field length, distance from the humeral head, and separation. The Pearson correlation method and linear models were used in the correlative study. Results: Level I LN mean and median volume (MMV) covered by 90% of the PD were 46.8% and 47.2%, respectively. MMV covered by 95% of the PD was 30.8% and 29.62%. Mean and median dose to level I LNs were 29.03 Gy and 30.13 Gy, respectively. The MMV of level II LNs covered by 90% of the PD was 2.49% and 0%. The mean and median dose to level II LNs were 6.09 Gy and 2.12 Gy, respectively. The MMV of level III LNs was 0% with a mean and median dose of 1.04 Gy and 0.92 Gy, respectively. There was a moderate correlation between the 95% prescription coverage of level I LNs and V20 ipsilateral lung and a smaller correlation between 95% prescription coverage of level I LNs and mean heart dose. Distance from the humeral head was inversely correlated with coverage of level I and II LNs and positively correlated with V20 lung. Conclusion: In most patients, <50% of the level I LN volume was covered by 90% of the PD and <30% was covered by 95%; <5% of the level II nodes were covered by 90% of the PD; and coverage was 0% for level III LNs. PMID- 29204532 TI - Foreword. PMID- 29204533 TI - An undertaking of legacy and innovation. PMID- 29204534 TI - Retrospective evaluation of frozen section use for thyroid nodules with a prior fine needle aspiration diagnosis of Bethesda II-VI: The Weill Cornell Medical College experience. AB - Objective: To evaluate the Weill Cornell Medical College (WCMC)/New York Presbyterian Hospital (NYPH) experience with intraoperative frozen (IOF) section in the management of thyroid nodules with a fine needle aspiration (FNA) diagnosis of Bethesda II-VI and to analyze the cost and pathology benefit it provides. Methods: The surgical and cytopathology files at WCMC/NYPH were searched within the time period of January 2008 to May 2013. A total of 435 thyroid specimens were identified for which both an FNA and subsequent IOF section was performed. The FNA was correlated with the locations of the resected nodule and the nodule frozen for intraoperative diagnosis. The results of the FNA were compared to the IOF section diagnosis and final diagnosis (FD). Results: Among 435 cases, the FNA diagnosis was Bethesda II: 149 cases, Bethesda III: 170 cases, Bethesda IV: 91 cases, Bethesda V: 19 cases, and Bethesda VI: 6 cases. There were a total of 83 carcinomas identified on FD, which included 69 papillary thyroid carcinomas (PTCs), 12 follicular carcinomas, and 2 poorly differentiated carcinomas. The preoperative FNA diagnosis for these carcinomas was as follows: Bethesda II, 11/149 (7.4%), Bethesda III, 24/170 (14%), Bethesda IV, 26/91 (29%), Bethesda V, 16/19 (84%), and Bethesda VI, 6/6 (100%). IOF section contributed to the diagnosis of malignancy in 16/429 (4%) cases: 1/149 (0.7%) Bethesda II, 5/170 (3%) Bethesda III, 2/91 (1.1%) Bethesda IV, and 8/19 (42%) Bethesda V. The diagnosis of malignancy was confirmed in the 6 Bethesda VI cases by IOF section. There were no false positives on IOF section. IOF had a sensitivity and specificity of 26% and 100%, respectively. Conclusion: The role of IOF section is limited in the evaluation of thyroid nodules. IOF section is most useful for nodules with an FNA diagnosis of Bethesda V lesions. The diagnosis of follicular variant of PTC remains difficult on frozen section. PMID- 29204535 TI - Bypassing the blood-brian barrier using established skull base reconstruction techniques. AB - Background: Neurological disorders represent a profound healthcare problem accounting for 6.3% of the global disease burden. Alzheimer's disease alone is expected to impact over 115 million people worldwide by 2050 with a cost of over $1 trillion per year to the U.S. economy. Despite considerable advances in our understanding of the pathogenesis and natural history of neurological disorders, the development of disease modifying therapies have failed to keep pace. This lack of effective treatments is directly attributable to the presence of the blood-brain and blood-cerebrospinal fluid barriers (BBB and BCSFB) which prevent up to 98% of all potential neuropharmaceutical agents from reaching the central nervous system (CNS). These obstacles have thereby severely limited research and development into novel therapeutic strategies for neurological disease. Current experimental methods to bypass the BBB, including pharmacologic modification and direct transcranial catheter implantation, are expensive, are associated with significant complications, and cannot be feasibly scaled up to meet the chronic needs of a large, aging patient population. Transmucosal drug delivery: An innovative method of direct CNS drug delivery using heterotopic mucosal grafts was described. This method is based on established endoscopic skull base nasoseptal flap reconstruction techniques. The model has successfully demonstrated CNS delivery of chromophore-tagged molecules 1000 times larger than those typically permitted by the BBB. Conclusions: This innovative technique represents the first described method of permanently bypassing the blood-brain barrier using purely autologous tissues. This has the potential to dramatically improve the current treatment of neurological disease by providing a safe and chronic transnasaldelivery pathway for high molecular weight neuropharmaceuticals. PMID- 29204537 TI - Olfactory dysfunction and its measurement in the clinic. AB - The sense of smell is largely taken for granted by laypersons and medical professionals alike. Indeed, its role in determining the flavor of foods and beverages, as well as in warning of, or protecting against, environmental hazards, often goes unrecognized. This is exemplified, in part, by the fact that most patients presenting to medical clinics with "taste" problems are typically subjected to complex brain imaging and gastroenterological tests without the sense of smell even being tested or considered as a basis of the problem. Aside from frank deficiencies in sweet, sour, bitter, salty and savory (umami) sensations, "taste" disorders most commonly reflect inadequate stimulation of the olfactory receptors via the retronasal route; i.e., from volatiles passing to the receptors from the oral cavity through the nasal pharynx. This article describes the two most common procedures for measuring the sense of smell in the clinic and provides examples of the application of these tests to diseases and other disorders frequently associated with smell loss. Basic issues related to olfactory testing and evaluation are addressed. It is pointed out that smell loss, particularly in later life, can be a harbinger for not only a range of neurodegenerative diseases, but can be a prognostic indicator of early mortality. PMID- 29204536 TI - Clinical consequences and economic costs of untreated obstructive sleep apnea syndrome. AB - Objective: To provide an overview of the healthcare and societal consequences and costs of untreated obstructive sleep apnea syndrome. Data sources: PubMed database for English-language studies with no start date restrictions and with an end date of September 2014. Methods: A comprehensive literature review was performed to identify all studies that discussed the physiologic, clinical and societal consequences of obstructive sleep apnea syndrome as well as the costs associated with these consequences. There were 106 studies that formed the basis of this analysis. Conclusions: Undiagnosed and untreated obstructive sleep apnea syndrome can lead to abnormal physiology that can have serious implications including increased cardiovascular disease, stroke, metabolic disease, excessive daytime sleepiness, work-place errors, traffic accidents and death. These consequences result in significant economic burden. Both, the health and societal consequences and their costs can be decreased with identification and treatment of sleep apnea. Implications for practice: Treatment of obstructive sleep apnea syndrome, despite its consequences, is limited by lack of diagnosis, poor patient acceptance, lack of access to effective therapies, and lack of a variety of effective therapies. Newer modes of therapy that are effective, cost efficient and more accepted by patients need to be developed. PMID- 29204539 TI - Applied anatomy of the submental island flap and its clinical application in the repair of defects following hypopharyngeal carcinoma resection. AB - Objective: To explore the feasibility of the submental island flap in the repair of hypopharyngeal defects. Methods: We collected wet specimens of fresh cadaveric heads from the Han Chinese adult population for applied anatomy of the submental island flap, and followed five patients with pyriform sinus carcinoma after reconstruction surgery using submental island flaps. Results: We found that the average length and width of the submental island flaps were (65.20 +/- 11.69) mm and (46.70 +/- 6.59) mm, respectively. The skin flap in all five patients survived after surgery, and tracheal tubes and gastric tubes were removed 7-36 days after surgery. Patients were followed up for 24-42 months, pharyngeal flaps grew well, and speech and swallowing functions were satisfactory. Conclusion: The submental island flap is a preferred material for the repair of hypopharyngeal defects after hypopharyngeal carcinoma resection, because of good blood supply, easy harvesting, and high survival rate. PMID- 29204538 TI - Salvage surgery for nasopharyngeal cancer. AB - Nasopharyngeal carcinoma (NPC) is a special type of head and neck cancer with a widely variable geographical variation in incidence. The central location of the tumor inside the head coupled with the radiosensitivity of the tumor to radiation made radiation therapy the first choice in primary treatment of NPC. Advances in radiotherapy and chemotherapy have markedly improved the local control of NPC. Unfortunately, a small but significant number of patients still suffered from loco-regional failures that would be amenable to re-treatment. Traditional form of retreatment was to employ a second course of radiation. The efficacy of re irradiation to treat local of regional recurrent NPC has been suboptimal. Moreover, the local tissue had already received a high dose of radiation and the second radiation could result in radiation toxicities to the local tissue, leading to significant complications. Surgical salvage, on the other hand, could spare the patients from complications of re-treatment. Due to the difficult access of the nasopharynx, various surgical approaches had been devised for nasopharyngectomy. The maxillary swing approach had the largest published experience with over 300 cases from various centers. In the recent decade, the endoscopic approach with or without robotic assistance had gained popularity for resecting small, centrally located recurrences. This minimally invasive approach further reduced the morbidity for treating locally recurrent NPC. Nodal recurrences had been a rare entity after the introduction of modern radiotherapy technique and concurrent chemotherapy. Treatment of nodal failure with second radiation has dismal results. Surgical removal of the lymph node harboring the recurrence should be in the form of a formal radical neck dissection. In cases of extensive nodal recurrence where microscopic disease may be present after a formal neck dissection, additional radiotherapy can be delivered with after loading brachytherapy. Surgical treatment played a definitive role in salvage of loco-regional failures of nasopharyngeal carcinoma. PMID- 29204540 TI - Clinicopathological significance of p16, cyclin D1, Rb and MIB-1 levels in skull base chordoma and chondrosarcoma. AB - Objective: To investigate the expression of p16, cyclin D1, retinoblastoma tumor suppressor protein (Rb) and MIB-1 in skull base chordoma and chondrosarcoma tissues, and to determine the clinicopathological significance of the above indexes in these diseases. Methods: A total of 100 skull base chordoma, 30 chondrosarcoma, and 20 normal cartilage tissue samples were analyzed by immunohistochemistry. The expression levels of p16, cyclinD1, Rb and MIB-1 proteins were assessed for potential correlation with the clinicopathological features. Results: As compared to normal cartilage specimen (control), there was decreased expression of p16, and increased expression of cyclin D1, Rb and MIB-1 proteins, in both skull base chordoma and chondrosarcoma specimens. MIB-1 LI levels were significantly increased in skull base chordoma specimens with negative expression of p16, and positive expression of cyclin D1 and Rb (P < 0.05). Significantly elevated MIB-1 LI was also detected in skull base chondrosarcoma tissues, while there was negative expression of p16, cyclin D1 and Rb (P < 0.05). In skull base chordoma, p16 negatively correlated with cyclin D1 and Rb, while cyclin D1 positively correlated with Rb. Additionally, p16, cyclin D1, Rb, or MIB-1 expression showed no correlation with age, gender, or pathological classification of patients with skull base chordoma (P > 0.05). However, p16 and MIB-1 levels correlated with the intradural invasion, and expression of p16, Rb and MIB-1 correlated with the number of tumor foci (P < 0.05). Further, the expression of p16 and MIB-1 appeared to correlate with the prognosis of patients with skull base chordoma. Conclusions: The abnormal expression of p16, cyclin D1 and Rb proteins might be associated with the tumorigenesis of skull base chordoma and chondrosarcoma. PMID- 29204541 TI - A 3D benign paroxysmal positional vertigo model for study of otolith disease. AB - Objective: To develop a three-dimensional study tool of the membranous labyrinth in order to study the pathophysiology, diagnostic workup and treatment of benign paroxysmal positional vertigo (BPPV). BPPV is the most common cause of peripheral vertigo. Its diagnosis and treatment depend on an understanding of the anatomy of the vestibular labyrinth and its position relative to the head. To date, many illustrations have been made to explain principals of diagnosis and treatment of BPPV, but few have been based on anatomical studies of the membranous labyrinth. Methods: A cadaveric human membranous labyrinth was axially sectioned at 20 MUm resolution, stained and segmented to create a high-resolution digital model. The model was cloned to create an enantiomeric pair of labyrinths. These were associated a 3D model of a human skull, segmented from MRI data, and were oriented according to established anatomic norms. Canal markers representing otoliths were created to mark canalith position during movement of the model within the 3D environment. Results: The model allows visualization of true membranous labyrinth anatomy in both ears simultaneously. The dependent portion of each semicircular duct and of the utricle can easily be visualized in any head position. Moveable markers can mark the expected progress of otolith debris with changes in head position and images can be captured to document simulations. The model can be used to simulate pathology as well as diagnostic maneuvers and treatment procedures used for BPPV. The model has great potential as a teaching tool. Conclusion: A simple model based on human anatomy has been created to allow careful study of BPPV pathophysiology and treatment. Going forward, this tool could offer insights that may lead to more accurate diagnosis and treatment of BPPV. PMID- 29204542 TI - The role of serial physical examinations in the management of angioedema involving the head and neck: A prospective observational study. AB - Objective: To elucidate the progression of angioedema of the head and neck with routine management and to assess the utility of serial physical exams and fiberoptic laryngoscopy in its management. Methods: This study was a prospective observational research. From 2013 to 2014, a prospective observational study was conducted at a tertiary referral center. Forty patient were approached, 7 refused, 33 (18-90 years old) were enrolled. Patients presented with angioedema involving the head and neck over a 12 month period were asked to participate in the study. Physical examination and fiberoptic laryngoscopy were performed at presentation and then repeated at least 1 h later. Results: Thirty-three patients with head and neck angioedema from any cause were enrolled (mean age 58, range 23 89 years). The upper lip was the most commonly involved site (58%). On reevaluation, 82% of patients reported subjective improvement in symptoms. The association between subjective improvement and the physical exam, including fiberoptic laryngoscopy findings, was statistically significant (P < 0.001). Conclusion: In stable patients with angioedema of any head and neck subsite, self reported symptoms are associated with clinical stability or improvement as assessed by physical signs and fiberoptic laryngoscopy. Patients' symptoms may be an appropriate surrogate to monitor clinical status without the need for routine serial physical examinations or fiberoptic laryngoscopy, though further study is needed. PMID- 29204543 TI - Assessment of complications due to intratympanic injections. AB - Objective: The purpose of the study is to report and to analyze the complications following intratympanic injections (ITI) of steroids. The occurrence rate of complications at different ITI sites, four quadrants of eardrum, was also compared. Methods: A retrospective clinical review in a medical center. Each patient received ITI twice in a week for 2-3 consecutive weeks as a salvage therapy for sudden sensorineural hearing loss. Post-injection complications, especially transient dizziness and vertigo, were recorded. Patients with acute or chronic vertigo episodes in 1 month were excluded. Results: A total of 59 patients with sudden sensorineural hearing loss and a total of 278 times of ITI were performed in 1 year. The post-injection complications included pain, tongue numbness, transient dizziness, vertigo, tinnitus, and a small persistent perforation. There was no significant difference in the occurrence of these complications between the injections sites on the 4 quadrants of the tympanic membrane. However, there was statistical significance in the post-injection vertiginous episode after IT injections to posterior-inferior quadrant (Q3) and posterior-superior quadrant (Q4) compared to anterior-superior quadrant (Q1) and anterior-inferior quadrant (Q2) (P = 0.0113). Conclusion: IT injection is recommended to be applied to the Q2 since the Q1 and Q4 injections are more likely to induce the adverse effect of tongue numbness, while the Q3 and Q4 areas are more likely to induce post-injection vertigo. PMID- 29204544 TI - Clinicopathological study of surgical margins in squamous cell carcinoma of buccal mucosa. AB - Objective: To evaluate the margins of resected specimen of oral squamous cell carcinoma (SCC) and to document the surgical margin (measured at the time of resection) and margins at the time of pathological examination (after immersion of the specimen in formalin). Methods: Patients who were diagnosed and confirmed with squamous carcinoma of buccal mucosa were included in the study. Patients underwent resection of the tumor with a margin of 1 cm. Soon after resection, the distance between outermost visible margin of the tumor and the margin of the specimen was measured and documented. Specimens were fixed in 10% formalin and submitted for gross and histopathological examination. The closest histopathologic margin was compared with the in situ margin (10 mm) to determine and document any shrinkage of the margin and the percentage of discrepancy if any. Results: A total of 52 specimens were collected from patients between January 2014 and December 2014. All specimens were obtained from the oral cavity (n = 52) of which 43 (82.7%) were squamous cell carcinoma and 9 (17.3%) were verrucous variant of squamous cell carcinoma. The average decrease in tumor margins measured after fixation in formalin was found to be statistically significant (P < 0.05) in 65% of cases. Conclusion: Tumor margin shrinks significantly after formalin fixation by about 25%. The operating surgeon and pathologist should be well aware of such changes while planning for further management thereby ensuring adequate margin of resection and adjuvant treatment wherever required to prevent possible local recurrence of the disease. PMID- 29204545 TI - Normal values of nasal NO and exhaled NO in young Chinese people aged 9 - 22 years. AB - Objective: To assess the normal levels of nasal nitric oxide (NNO) and fractional exhaled nitric oxide (FENO) in healthy Chinese young people, and to determine whether the obtained values were associated with age, sex, height, weight, BMI (body mass index) or BSA (body surface area). Methods: One hundred and twenty healthy people were selected from a total of 436 Chinese young people based on their answers to a questionnaire. An electrochemical analyzer (NIOX MINO system) was used to measure NNO and FENO. The relationship between NNO, FENO and age, sex, height, weight, BMI, BSA was analyzed using SPSS software. Results: The values of NNO were normal distributed (mean 273.5 ppb; SD 112.3). The values of FENO were non-normally (Skewed) distributed (median: 14.00 ppb; interquartile range: 7.00 ppb). The obtained NNO values were independent of age, sex, height, weight, BMI and BSA, but were positively correlated to lnFENO (FENO log base e); lnFENO values were also independent of age, height, weight, BMI and BSA, but correlated with NNO and sex. Conclusions: NNO values positively correlate with lnFENO in healthy people and the levels of each may be predicted by the other. The results of this study are expected to serve as a reference for future studies in China. PMID- 29204546 TI - Value within otolaryngology: Assessment of the cost-utility analysis literature. AB - Objective: To assess the characteristics and quality of cost utility analyses (CUA) related to otolaryngology within the CEA registry and to summarize their collective results. Methods: All cost-utility analyses published between 1976 and 2011 contained in the Cost-Effectiveness Analysis Registry (CEA Registry) were evaluated. Topics that fall within the care of an otolaryngologist were included in the review regardless of the presence of an otolaryngologist author. Potential associations between various study characteristics and CEA registry quality scores were evaluated using the Pearson product moment correlation coefficient. Results: Sixty-one of 2913 (2.1%) total CUA publications screened were related to otolaryngology. Eighteen of 61 (29.5%) publications included an otolaryngologist as an author. Fourteen studies agreed on the cost effectiveness of at least unilateral cochlear implantation and six of seven (85.7%) studies demonstrated the cost effectiveness of continuous positive airway pressure (CPAP) for obstructive sleep apnea (OSA). Forty-six percent (28 of 61) of all manuscripts were published between 2008 and 2011. A more recent publication year was associated with a higher CEA registry quality score while the presence of an otolaryngologist author and journal impact factor had no significant correlation with the quality of the CUA. Conclusion: Based on current evidence in the CEA registry, unilateral cochlear implantation for hearing loss and CPAP for OSA are both cost-effective therapeutic interventions. Although CUAs in otolaryngology have increased in quantity and improved in quality in more recent years, there is a relative lack of CUAs in otolaryngology in comparison to other subspecialties. PMID- 29204547 TI - Evolution of the rhytidectomy. AB - Since the advent of facelift surgery, there has been a progressive evolution in technique. Methods of dissection trended towards progressively aggressive surgery with deeper dissection for repositioning of ptotic facial tissues. In recent decades, the pendulum has swung towards more minimally invasive options. Likewise, there has been a shift in focus from repositioning alone to the addition of volumization for facial rejuvenation. The techniques in this article are reviewed in a chronologic fashion with a focus on historical development as well as brief discussion on efficacy in relation to the other existing options. There is currently no gold standard technique with a plethora of options with comparable efficacy. There is controversy over which approach is optimal and future research is needed to better delineate optimal treatment options, which may vary based on the patient. PMID- 29204548 TI - Overview of smartphone applications for sleep analysis. AB - Objective: To review and assess the current selection of sleep analysis smartphone applications (apps) available for download. Methods: The iOS and Google Play mobile app store were searched for sleep analysis apps targeted for consumer use. Alarm clock, sleep-aid, snoring and sleep-talking recorder, fitness tracker apps, and apps geared towards health professionals were excluded. App information and features were obtained from in-store descriptions, and the app developer website. Results: A total of 51 unique sleep apps in both iOS and Google Play stores were included. The apps were rated 3.8/5 in both stores, and had an average price of $1.12 in the iOS store and $0.58 in the Google Play store. >65% of sleep apps report on sleep structure, including duration, time awake, and time in light/deep sleep, while reporting of REM was limited. The availability of extra features was variable, ranging from 4% to 73% of apps. Conclusions: There are a variety of sleep analysis apps with a range of functionality. The apps with the most reviews from the each store are featured. Many apps provide data on sleep structure; however the algorithms are not validated by scientific literature or studies. Since patients may inquire about their sleep habits from these apps, it is necessary for physicians to be aware of the most common apps and the features offered and their limitations in order to properly counsel patients. PMID- 29204549 TI - Novel therapeutics and emerging technologies in head and neck cancer. PMID- 29204550 TI - Novel p53 therapies for head and neck cancer. AB - Inactivation of the tumor suppressor p53 is the predominant pathogenetic event in head and neck squamous cell carcinoma (HNSCC). The p53 pathway in HNSCC can be compromised through multiple mechanisms including gene mutations, hyperactivation of endogenous negative p53 regulators and by the human papillomavirus E6 protein. Inactivation of p53 is associated with poor clinical response and outcome; therefore, restoration of the p53 signaling cascade may be an effective approach to ablate HNSCC cells. Viral approaches to restore p53 activity in HNSCC have been well-studied and shown modest activity in clinical trials. Recent work has focused on high-throughput screens and rational designs to identify and develop small molecules to rescue p53 function. Several p53-targeting small molecules have demonstrated very promising activity in pre-clinical studies but have yet progressed to the clinical setting. Further development of p53 therapies, in particular chemical approaches, should be prioritized and evaluated in the HNSCC setting. PMID- 29204551 TI - mTOR, metabolism, and the immune response in HPV-positive head and neck squamous cell cancer. AB - Extensive preclinical studies have identified mammalian target of rapamycin (mTOR) activation as a frequent molecular signature underlying head and neck squamous cell carcinoma (HNSCC), including the distinct clinical subtype that is human papillomavirus (HPV) related, and have demonstrated the potential therapeutic utility of mTOR inhibitors in the treatment of these cancers. Numerous clinical studies have begun to evaluate this potential, however few have selected for and fewer have focused specifically on HPV-related disease. While HPV-positive (HPV+) HNSCC patients have a generally favorable prognosis, the overall number of patients who suffer failed treatment, recurrent disease, metastasis, and death is increasing due to the rapidly increasing incidence of HPV-related cancers. In this review, we discuss the rationale for proposing the adjuvant use of mTOR inhibition in the treatment of HPV+ HNSCC, highlighting the interplay of virally activated mTOR signaling, cellular metabolism, and the anti tumor immune response. PMID- 29204552 TI - The current status of oncolytic viral therapy for head and neck cancer. AB - Objective: Cancer affects the head and neck region frequently and leads to significant morbidity and mortality. Oncolytic viral therapy has the potential to make a big impact in cancers that affect the head and neck. We intend to review the current state of oncolytic viruses in the treatment of cancers that affect the head and neck region. Method: Data sources are from National clinical trials database, literature, and current research. Results: There are many past and active trials for oncolytic viruses that show promise for treating cancers of the head and neck. The first oncolytic virus was approved by the FDA October 2015 (T VEC, Amgen) for the treatment of melanoma. Active translational research continues for this and many other oncolytic viruses. Conclusion: The evolving field of oncolytic viruses is impacting the treatment of head and neck cancer and further trials and agents are moving forward in the coming years. PMID- 29204553 TI - Interleukin-6 role in head and neck squamous cell carcinoma progression. AB - Interleukin-6 (IL-6) is a pleiotropic cytokine which plays an important role in a number of cellular processes including proliferation, survival, differentiation, migration and invasion. IL-6 mediates its downstream effects by activating a number of signaling cascades including JAK/STAT, PI3K/AKT and MAPK pathways. In addition to its effects on tumor cells, IL-6 also regulates tumor progression and tumor metastasis by modulating tumor angiogenesis and tumor lymphangiogenesis. A number of studies have shown that IL-6 levels are markedly upregulated in cancer patients. We and others have shown that high IL-6 expression independently predicts tumor recurrence, tumor metastasis and poor survival in head and neck cancer patients. Therefore targeting IL-6 signaling is a potential therapeutic strategy for the treatment of head and neck squamous cell carcinoma (HNSCC). In this review, we discuss the current understanding of the role of IL-6 in HNSCC progression and potential therapeutic strategies to target IL-6 signaling for the treatment of head and neck cancer patients. PMID- 29204554 TI - Advancing theranostics with tumor-targeting peptides for precision otolaryngology. AB - Worldwide, about 600,000 head and neck squamous cell carcinoma (HNSCC) are detected annually, many of which involve high risk human papilloma virus (HPV). Surgery is the primary and desired first treatment option. Following surgery, the existence of cancer cells at the surgical margin is strongly associated with eventual recurrence of cancer and a poor outcome. Despite improved surgical methods (robotics, microsurgery, endoscopic/laparoscopic, and external imaging), surgeons rely only on their vision and touch to locate tumors during surgery. Diagnostic imaging systems like computed tomography (CT), magnetic resonance imaging (MRI), single-photon emission computed tomography (SPECT) and positron emission tomography (PET) are too large, slow and costly to use efficiently during most surgeries and, ultrasound imaging, while fast and portable, is not cancer specific. This purpose of this article is to review the fundamental technologies that will radically advance Precision Otolaryngology practices to the benefit of patients with HNSCC. In particular, this article will address the potential for tumor-targeting peptides to enable more precise diagnostic imaging while simultaneously advancing new therapeutic paradigms for next generation image-guided surgery, tumor-specific chemotherapeutic delivery and tumor selective targeted radiotherapy (i.e., theranostic). PMID- 29204555 TI - Circulating tumor cells in head and neck cancer: A review. AB - Carcinoma of the head and neck represents 3.5% of all cancers, and the vast majority of these tumors are squamous cell carcinoma (HNSCC). With a stable overall survival rate of 50% among all stages, there is continued interested in developing measures for early detection and disease aggressiveness. Circulating tumor cells (CTCs) have been identified as a potential marker for early metastatic disease, response to treatment, and surveillance in head and neck squamous cell carcinoma. In this article, techniques of CTC detection, applications of CTC technology, and outcomes of HNSCC patients will be discussed. PMID- 29204556 TI - Contemporary use of sentinel lymph node biopsy in the head and neck. AB - Sentinel lymph node biopsy has become a well-established and commonplace practice in many oncologic disease sites as a means to stage the regional lymphatics, avoid unnecessary surgery and decrease patient morbidity. In the head and neck, its role is well established for cutaneous melanoma with proven fidelity and survival benefit. Its role in use for other sites such as oral cavity carcinoma continues to develop with promising results from several recent trials. Although not widely adopted, the potential benefits of sentinel lymph node biopsy in the management of oral cavity carcinoma are apparent. Refinements in technology and protocols including development of novel radiopharmaceutical tracers, routine incorporation of detailed anatomic imaging, increasing surgeon experience and development of new intraoperative identification aids will likely lead to improvements in the use and accuracy of this technique. PMID- 29204557 TI - Transoral robotic surgery frontiers. AB - Transoral robotic surgery is a exciting field that continues to develop and push the boundaries of current procedural ability and challenges historical treatment paradigms. With the first use of a surgical robot in 1985, to the first clinical use of the robot transorally in 2005, there was some lag in adoption of robotic techniques in the head and neck region. However, since 2005 transoral robotic surgery has rapidly gained momentum amongst head and neck surgeons. With FDA approval of the da Vinci robot in 2009, transoral robotic surgery is currently offered as a treatment modality for malignant and nonmalignant disease of the head and neck region. This new technology is being used to reconsider historical treatment paradigms for malignancies of the upper aerodigestive tract due to the fact that minimally invasive surgical access to the oropharynx and larynx has been improved. Along with this enhanced access have come innovative procedures and uses of the technology for multiple facets of head and neck disease. Technology continues to improve and innovation in surgical robotics is expected to continue as more companies attempt to capture this market. This article aims to provide a view at the landscape of transoral robotic surgery and explore the future frontiers. PMID- 29204558 TI - High risk cutaneous squamous cell carcinoma of the head and neck. AB - The majority of patients with head and neck cutaneous squamous cell carcinoma (cSCC) are successfully treated with surgical treatment of the primary site. While only a minority of patients is at risk for regional metastasis, these patients have significantly worse outcomes. Tumor and patient factors that place patients at high risk for development of regional metastasis have been identified. Advancing treatment of cSCC requires identifying and escalating treatment in this high risk patient population, while avoiding overtreatment of the majority of cSCC patients that do not develop regional metastasis. Sentinel lymph node biopsy has emerged as a promising technique in cSCC to detect micrometastasis and allow early surgical treatment of regional disease. Future directions involve genomic characterization of metastatic and nonmetastatic cSCC to identify genomic alterations causing metastasis that may be used to predict disease behavior. PMID- 29204559 TI - The impact of round window vs cochleostomy surgical approaches on interscalar excursions in the cochlea: Preliminary results from a flat-panel computed tomography study. AB - Objective: To evaluate incidence of interscalar excursions between round window (RW) and cochleostomy approaches for cochlear implant (CI) insertion. Methods: This was a retrospective case-comparison. Flat-panel CT (FPCT) scans for 8 CI users with Med-El standard length electrode arrays were collected. Surgical technique was identified by a combination of operative notes and FPCT imaging. Four cochleae underwent round window insertion and 4 cochleae underwent cochleostomy approaches anterior and inferior to the round window. Results: In our pilot study, cochleostomy approaches were associated with a higher likelihood of interscalar excursion. Within the cochleostomy group, we found 29% of electrode contacts (14 of 48 electrodes) to be outside the scala tympani. On the other hand, 8.5% of the electrode contacts (4 of 47 electrodes) in the round window insertion group were extra-scalar to the scala tympani. These displacements occurred at a mean angle of occurrence of 364 degrees +/- 133 degrees , near the apex of the cochlea. Round window electrode displacements tend to localize at angle of occurrences of 400 degrees or greater. Cochleostomy electrodes occurred at an angle of occurrence of 19 degrees -490 degrees . Conclusions: Currently, the optimal surgical approach for standard CI electrode insertion is highly debated, to a certain extent due to a lack of post-operative assessment of intracochlear electrode contact. Based on our preliminary findings, cochleostomy approach is associated with an increased likelihood of interscalar excursions, and these findings should be further evaluated with future prospective studies. PMID- 29204560 TI - Temporal and spectral contributions to musical instrument identification and discrimination among cochlear implant users. AB - Objective: To investigate the contributions of envelope and fine-structure to the perception of timbre by cochlear implant (CI) users as compared to normal hearing (NH) listeners. Methods: This was a prospective cohort comparison study. Normal hearing and cochlear implant patients were tested. Three experiments were performed in sound field using musical notes altered to affect the characteristic pitch of an instrument and the acoustic envelope. Experiment 1 assessed the ability to identify the instrument playing each note, while experiments 2 and 3 assessed the ability to discriminate the different stimuli. Results: Normal hearing subjects performed better than CI subjects in all instrument identification tasks, reaching statistical significance for 4 of 5 stimulus conditions. Within the CI population, acoustic envelope modifications did not significantly affect instrument identification or discrimination. With envelope and pitch cues removed, fine structure discrimination performance was similar between normal hearing and CI users for the majority of conditions, but some specific instrument comparisons were significantly more challenging for CI users. Conclusions: Cochlear implant users perform significantly worse than normal hearing listeners on tasks of instrument identification. However, cochlear implant listeners can discriminate differences in envelope and some fine structure components of musical instrument sounds as well as normal hearing listeners. The results indicated that certain fine structure cues are important for cochlear implant users to make discrimination judgments, and therefore may affect interpretation toward associating with a specific instrument for identification. PMID- 29204561 TI - Electrode selection for hearing preservation in cochlear implantation: A review of the evidence. AB - Objective: To review and assess the ideal length of electrode in cochlear implant patients for hearing preservation. Methods: The English language literature was reviewed for studies including hearing preservation and speech understanding for electrodes of different lengths. Results: One prospective trial was found, and there were no studies that randomized patients into different length electrodes with an intent to preserve hearing. Eight studies total included multiple length electrodes and contained data regarding hearing preservation. Conclusions: Although there is some evidence that indicates that shorter electrodes may improve both short and long-term hearing preservation rates in cochlear implant patients, no study has directly compared implant length on hearing preservation in a similar patient population. A randomized trial of short and standard length electrodes for hearing preservation is warranted. In the interim, utilization of current electrodes measuring 20-25 mm could seem to be a prudent approach when seeking to preserve residual hearing without unduly compromising cochlear coverage. PMID- 29204562 TI - Transmastoid resurfacing versus middle fossa plugging for repair of superior canal dehiscence: Comparison of techniques from a retrospective cohort. AB - Objective: To compare and contrast our experience with middle cranial fossa approach (MFR) and transmastoid approach with capping of the dehiscence (TMR) of superior semicircular canal dehiscence and to determine guidelines to help guide management of these patients. Methods: All patients from 2005 to 2014 with symptomatic superior semicircular canal dehiscence syndrome with dehiscence demonstrated on CT scan of the temporal bone who underwent surgical repair and had a minimum 3 months of follow up. Surgical repair via the MFR or TMR, preoperative CT temporal bone, preoperative, and postoperative cervical vestibular evoked myogenic potential (cVEMP) testing and anterior canal video head thrust testing (vHIT). Success of repair was stratified as complete success, moderate success, mild success, or failure based on resolution of all symptoms, the chief complaint, some symptoms, or no improvement, respectively. Results: A total of 29 ears in 27 patients underwent surgical repair of canal dehiscence. Complete or moderate success was seen in 71% of the MFR group compared to 80% of the TMR group. There were zero failures with the MFR group and no major intracranial complications. There were 2 failures out of 15 ears that underwent the TMR. Residual symptoms were most commonly vertigo or disequilibrium in the MFR and aural fullness or autophony in the TMR groups, respectively. MFR hospital stay was approximately 2 days longer. Average cVEMP threshold shifted 18 dB with surgical correction in the MFR group. A 29 dB average shift was seen in the TMR group. The MFR group had a significant reduction in their anterior canal gain compared to the TMR group. Conclusions: TMR is a less invasive alternative to MFR. However, in our series, we have not seen any intracranial complications (aphasia, stroke, seizures, etc.) in our MFR patients. Interestingly, vestibular symptoms were better addressed than audiological symptoms by the TMR suggesting its usefulness as a less invasive option for patients with primarily vestibular complaints. Residual auditory symptoms in TMR patients may be due to the flow of acoustic energy from the superior canal to the mastoid cavity through an incompletely sealed third window. PMID- 29204563 TI - Improvement in word recognition following treatment failure for sudden sensorineural hearing loss. AB - Objectives: Patients with sudden sensorineural hearing loss (SSNHL) may have word recognition scores (WRS) that correlate with pure tone average (PTA). We hypothesize that there is a subset of patients with SSNHL who have improved WRS despite stable PTA. Methods: Retrospective case review at a tertiary otolaryngology practice. Results: We identified 13 of 113 patients with SSNHL whose WRS increased despite overall stable pure tone averages. There was an observed average improvement in WRS by 23.8 points in this patient cohort at follow-up, with mean initial PTA in the affected ear at 48.7 dB. Conclusions: We identify a novel cohort of SSNHL patients that have failed treatment as measured by PTA, but who have increased WRS over time. These data have implications for patient counseling and lend insight into the pathophysiology of SSNHL. PMID- 29204564 TI - Isolated cochlear neuritis from varicella reactivation mimicking a vestibular schwannoma. AB - We present a case of a patient with progressive unilateral sensorineural hearing loss and tinnitus with internal auditory canal enhancement on magnetic resonance imaging (MRI) secondary to isolated cochlear neuritis from varicella reactivation. MRI following antiviral treatment showed resolution of enhancement. Varicella reactivation is commonly seen in the form of Ramsay Hunt syndrome, which is known to produce abnormal MRI enhancement from facial and vestibulocochlear neuritis; however, its characteristic clinical signs aid the diagnosis. This case is unique in that the only manifestation of varicella infection was unilateral hearing loss. This case outlines the importance of maintaining a broad differential diagnosis in the evaluation of unilateral hearing loss as well as recognizing the limited specificity of MRI. PMID- 29204565 TI - Early oral tongue cancer initially managed with surgery alone: Treatment of recurrence. AB - Objective: To report T1-2N0 tongue cancer recurrences initially treated with surgery alone. Methods: Between 1990 and 2010, 27 patients at tertiary hospital referral center institution were treated with curative intent for locoregional recurrence after initial glossectomy with or without neck dissection for T1-2N0 tongue cancer. None had received adjuvant postoperative radiation as a component of the original treatment. Results: Median time to locoregional recurrence was 12 months (range 5-39 months) and 78% of failures occurred in the first 2 years. Most treatment failures were local (63%). Salvage strategy was risk-adapted by individual patient. The 5-year disease specific survival (DSS) was 61%. Patients with local recurrences alone fared significantly better than those with regional recurrences (5-yr DSS: 86% vs. 22%, P = 0.0018). Local recurrences were usually treated by surgery alone, while regional recurrences were more commonly treated with combined modality treatment (P = 0.005). Conclusions: Recurrence of early stage oral tongue cancer can be successfully salvaged in a majority of cases. Patients developing regional recurrence have significantly worse prognosis than those with local failures. PMID- 29204566 TI - Dynamic swallowing study for globus patients. AB - Objective: To examine whether pharyngeal swallowing function is impaired in globus patients with swallowing difficulty by dynamic swallowing study. Methods: Dynamic swallowing studies were performed on 80 normal adult volunteers and 33 globus patients with swallowing difficulty. Objective parameters such as maximum displacement of the hyoid bone, pharyngeal transit time, pharyngeal constriction ratio, and maximum opening of the esophageal entrance were measured, which were closely associated with the pharyngeal swallowing function in the swallowing process. Results: There were no significant differences between globus patients and normal adults in hyoid bone displacement, pharyngeal transit time, pharyngeal constriction ratio, or maximum opening of the esophageal entrance (p > 0.05). Conclusion: The results of the dynamic swallowing study indicated that the pharyngeal swallowing function of globus patients was not impaired. PMID- 29204567 TI - Objective and subjective scar aesthetics with topical Manuka honey post thyroidectomy: A randomized control study. AB - Objective: Leptospermum Honey (Manuka honey) has proven to be effective in improving acute and chronic wound healing presumably due to its antibacterial and anti-inflammatory properties. The aim is to determine if Manuka honey decreases scar formation and results in a cosmetically appealing scar. Methods: A prospective single-blinded randomized control trial was performed. All patients received an 8 cm incision. Patients randomized to honey treatment were instructed to apply Manuka honey paste topically to the incision site once per day post surgery for 4 weeks. The patients' scar was then analyzed objectively by a blinded observer and subjectively at 4 and 8 weeks postoperatively. The primary outcome measure used was the Patient and Observer Scar Assessment Scale (POSAS). Results: A total of 21 patients completed the entire scar analysis (honey treatment = 9, standard treatment = 12). There was no statistically significant difference between patient scar assessment scale and observer scar assessment scale at 4 and 8 weeks postoperatively. Conclusion: Despite Leptospermum Honey's reported anti-inflammatory and antibacterial properties, this study did not show a difference in scar appearance when applied. PMID- 29204569 TI - Assessment of rock musician's efferent system functioning using contralateral suppression of otoacoustic emissions. AB - Objective: Contralateral suppression of oto acoustic emission (OAE) is referred as activation of efferent system. Previous literature mentioned about the importance of contralateral suppression of OAEs as a tool to assess efferent system in different groups of population. There is dearth of literature to explore the efferent system function in experienced musicians exposed to rock music using TEOAEs and DPOAEs. Methods: Two groups of participant (14 rock musicians and 14 non-musicians) in the age range of 18-25 years were involved in the study. Contralateral suppression of TEOAEs and DPOAEs were measured using ILO (Version 6) in both groups. Results: Descriptive statistics showed higher suppression of TEOAEs and DPOAEs in rock-musicians at most of the frequencies in comparison to non-musicians. For DPOAE measures, Mann Whitney U test results revealed significantly greater DPOAE suppression only at 1 kHz and 3 kHz in rock musicians compared to non-musicians. For within group comparison, Kruskal Wallis test results revealed there were significant difference observed across most of the frequencies i.e. at 1 kHz, 3 kHz and 6 kHz. For TEOAE measures, Mann Whitney U test results revealed that only at 2 kHz, TEOAE suppression in rock-musician was significantly greater compared to non-musicians. Similarly, Kuskal Wallis test results revealed that within group there were no significant differences observed for most of the frequencies except 2 kHz. Conclusions: Based on the above finding, present study concludes that rock musicians are having better efferent system compared to non-musicians. No suppression effect at few frequencies probably indicates more vulnerability at those frequencies. Contralateral suppression of DPOAE shows more significant finding in comparison to contralateral suppression of TEOAEs in present study. PMID- 29204568 TI - Deep neck space infection - A retrospective study of 270 cases at tertiary care center. AB - Objective: To review the clinical findings in deep neck infections and identification predisposing factors of these complications. Methods: In this study, 270 patients with deep neck infections were studied retrospectively, study conducted in the Department of Ear, Nose and Throat, Dr. Shankarrao Chavan Government Medical College, Nanded, Maharashtra, India, from March 2013 to March 2016. Results: Analysis showed that males are most likely to have deep neck space infections (DNSI). Odontogenic and tonsillar causes were the more frequent ones. Staphylococcus aureus and Streptococcus species were the microorganisms more commonly isolated. Conclusion: DNSI remains a common and challenging disease for otorhinolaryngologists, and should be treated on emergency basis. In developing countries, lack of adequate nutrition, poor oral hygiene, tobacco chewing, smoking and beetle nut chewing has led to an increased prevalence of dental and periodontal diseases. In present study, Odontogenic infections were the most common etiological factor for DNSI. PMID- 29204570 TI - Biofilms in chronic rhinosinusitis: Pathophysiology and therapeutic strategies. AB - Background: There is increasing evidence that biofilms are critical to the pathophysiology of chronic infections including chronic rhinosinusitis (CRS). Until relatively recently, our understanding of biofilms was limited. Recent advances in methods for biofilm identification and molecular biology have offered new insights into the role of biofilms in CRS. With these insights, investigators have begun to investigate novel therapeutic strategies that may disrupt or eradicate biofilms in CRS. Objective: This review seeks to explore the evidence implicating biofilms in CRS, discuss potential anti-biofilm therapeutic strategies, and suggest future directions for research. Results: The existing evidence strongly supports the role of biofilms in the pathogenesis of CRS. Several anti-biofilm therapies have been investigated for use in CRS and these are at variable stages of development. Generally, these strategies: 1) neutralize biofilm microbes; 2) disperse existing biofilms; or 3) disrupt quorum sensing. Several of the most promising anti-biofilm therapeutic strategies are reviewed. Conclusions: A better understanding of biofilm function and their contribution to the CRS disease process will be pivotal to the development of novel treatments that may augment and, potentially, redefine the CRS treatment paradigm. There is tremendous potential for future research. PMID- 29204571 TI - Hypoglossal nerve stimulation for obstructive sleep apnea: A review of the literature. AB - Objective: To review the indications and clinical evidence supporting hypoglossal nerve stimulation (HNS) therapy for the treatment of moderate-to-severe obstructive sleep apnea (OSA). Methods: Peer reviewed literature on hypoglossal nerve stimulation therapy for obstructive sleep apnea from 2001 to 2016. Results: The only currently FDA-approved HNS device for the treatment of moderate-to severe OSA is produced by Inspire Medical Systems, which recently published its 36-month outcomes data from its Stimulation Therapy for Apnea Reduction (STAR) trial. HNS therapy is currently indicated for moderate-to-severe OSA patients who are CPAP-intolerant, have a body mass index <32, apnea-hypopnea index <50, and without a concentric pattern of upper airway collapse on sleep endoscopy. Conclusions: Data from the STAR trial suggests that a subset of OSA patients can achieve a significant therapeutic response from hypoglossal nerve stimulation. However, these results may be limited in their generalizability to the broader OSA population. PMID- 29204572 TI - Summary and consensus in 7th International Conference on acoustic neuroma: An update for the management of sporadic acoustic neuromas. AB - Sporadic vestibular schwannoma (acoustic neuroma) is a benign tumor arising from cochleovestibular nerve. Nowadays, various specialties and medical centers are treating this disease, and the multidisciplinary collaboration is the trend. In an effort to promote a uniform standard for reporting clinical results, even for treatment indications, the mainly controversies were posed and discussed during the 7th International Conference on acoustic neuroma, and the agreement was summarized by the Committee of this conference. The main symptoms grading and tumor stage should note its name of classification for making them comparable. The goal of the modern managements for vestibular schwannoma is to improve the quality of life with lower mortality, lower morbidity and better neurological function preservation. The experience of surgical team and their preference might be a major factor for the outcome. Because of lacking of long-term follow-up large data after radiotherapy, and with the development of microsurgery, radiotherapy is now less recommended except for recurrent cases or elderly patients. PMID- 29204573 TI - Protective and antifungal properties of Nanodisk-Amphotericin B over commercially available Amphotericin B. AB - Objective: Amphotericin B (AMB), a potent antifungal agent, has been employed as topical and systemic therapy for sinonasal fungal infections. A novel formulation of nanodisc (ND) containing super aggregated AMB (ND-AMB) for the treatment of fungal infections has been recently developed to provide greater protection from AMB toxicity than current, clinically approved lipid-based formulations. The objective of the current study was to evaluate the safety and potency of ND-AMB for sinonasal delivery using an in vitro model. Methods: Human sinonasal tissue was harvested during endoscopic sinus surgery and grown at air-liquid interface until well-differentiated. Cultures were exposed to ND-AMB vs AMB and changes in K+ permeability and resistance were measured and recorded via Ussing chamber assay. Ciliary beat frequency (CBF) was analyzed in parallel as well as cytotoxic assay. Potency was assessed using real-time PCR measurement of the Aspergillus fumigatus 18S rRNA. Results: Ussing chamber studies revealed K+ currents that increased rapidly within 30 s of adding AMB (10 MUg/mL) to the apical side, indicating apical membranes had become permeable to K+ ions. In contrast, negligible induction of K+ current was obtained following addition of ND-AMB [AMB = (107.7 +/- 15.9) MUA/cm2 AMB vs ND-AMB = (2.3 +/- 0.7) MUA/cm2 ND-AMB; P = 0.005]. ND-AMB also protected nasal epithelial cells from cytotoxicity of AMB (P < 0.05). There was no difference in ciliary beat frequency between the two groups (P = 0.96). The expression of A. fumigatus 18S rRNA with exposure of lower dose of ND-AMB was significantly lower compared to that with AMB (P < 0.05). Conclusions: Data from the present study suggests ND-AMB protects human nasal epithelia membranes from AMB toxicity by protecting against apical cell K+ permeability while maintaining uncompromised antifungal property compared to AMB. ND-AMB could provide a novel topical therapy for sinonasal fungal diseases. PMID- 29204574 TI - Variables associated with olfactory disorders in adults: A U.S. population-based analysis. AB - Objective: Olfactory dysfunction is known to have significant social, psychological, and safety implications. Despite increasingly recognized prevalence, potential risk factors for olfactory loss have been arbitrarily documented and knowledge is limited in scale. The aim of this study is to identify potential demographic and exposure variables correlating with olfactory dysfunction. Methods: Cross-sectional analysis of the 2011-2012 and 2013-2014 editions of the National Health Examination and Nutrition Survey was performed. The utilized survey reports from a nationally representative sample of about 5000 persons each year located in counties across the United States. There is an interview and physical examination component which includes demographic, socioeconomic, dietary, and health-related questions as well as medical, dental, physiologic measurements, and laboratory tests. 3594 adult respondents from 2011 to 2012 and 3708 respondents from 2013 to 2014 were identified from the above population-based database. The frequency of self-reported disorders as well as performance on odor identification testing was determined in relation to demographic factors, occupational or environmental exposures, and urinary levels of environmental and industrial compounds. Results: In both subjective and objective analysis, smell disorders were significantly more common with increasing age. While the non-Hispanic Black and non-Hispanic Asian populations were less likely to report subjective olfactory loss, they, along with Hispanics, performed more poorly on odor identification than Caucasians. Those with limited education had a decreased prevalence of hyposmia. Women outperformed men on smell testing. Those reporting exposure to vapors were more likely to experience olfactory dysfunction, and urinary levels of manganese, 2-Thioxothiazolidine-4 carboxylic acid, and 2-Aminothiazoline-4-carboxylic acid were lower among respondents with subjective smell disturbance. In odor detection, elevated serum levels of lead and urinary levels of 2,4 dichlorophenol were associated with anosmia and hyposmia, respectively. Conclusions: This study provides current, population-based data identifying demographic and exposure elements related to smell disturbances in U.S. adults. Age, race, gender, education, exposure to vapors, urinary levels of manganese, 2-Thioxothiazolidine-4-carboxylic acid, 2 Aminothiazoline-4-carboxylic acid, 2,4 dichlorophenol, and serum lead levels were all implicated in smell disturbance. Care should be taken in interpretation due to lack of consistency between subjective and objective measures of olfaction as well as limitations related to population-based data. Prospective trials are indicated to further elucidate these relationships. PMID- 29204575 TI - Healing of the nasal septal mucosa in an experimental rabbit model of mucosal injury. AB - Objective: The aim of this study was to investigate the regeneration process of the nasal mucosa after a surgically created mucosal defect in the rabbit nasal septum, and to evaluate the effects of different interventions. Methods: A 7 mm diameter circular mucosal defect was made in the septum of forty New Zealand white rabbits. The rabbits were divided into four groups (ten rabbits in each group) according to the type of intervention; no treatment (control), silastic sheet (SS), hyaluronic acid (HA), and silastic sheet and hyaluronic acid (SS + HA) group. The diameter of the defect, mucosal thickness, epithelial thickness, and ciliated cell count were evaluated every week for five weeks. Results: The average diameter of the defect in the control group were 5.1, 3.65, 1.2, 0.75, and 0.05 mm at postoperative 1, 2, 3, 4, and 5 weeks. In the SS group, the diameter decreased to 4.35, 2.1, 0.35, 0.15, and 0 mm at postoperative 1, 2, 3, 4, and 5 weeks, respectively, in which the mean diameter of the postoperative week 2 was significantly smaller compared to control (3.65 mm vs. 2.1 mm, P = 0.039). For the HA group and SS + HA group, the diameter of the defect did not show a significant difference from the control group during the five weeks. The mucosal thickness, epithelial thickness, and ciliated cell count of the regenerated mucosa were not significantly different among the groups. Conclusion: The regeneration process of the nasal septal mucosa was identified using a novel rabbit model. Mucosal regeneration can be accelerated by applying silastic sheets. PMID- 29204576 TI - Comparison of 3 mm versus 4 mm rigid endoscope in diagnostic nasal endoscopy. AB - Objective: Compare nasal endoscopy with 3 mm versus conventional 4 mm rigid 30 degrees endoscopes for visualization, patient comfort, and examiner ease. Methods: Ten adults with no previous sinus surgery underwent bilateral nasal endoscopy with both 4 mm and 3 mm endoscopes (resulting in 20 paired nasal endoscopies). Visualization, patient discomfort and examiner's difficulty were assessed with every endoscopy. Sino-nasal structures were checked on a list if visualized satisfactorily. Patients rated discomfort on a standardized numerical pain scale (0-10). Examiners rated difficulty of examination on a scale of 1-5 (1 = easiest). Results: Visualization with 3 mm endoscope was superior for the sphenoid ostium (P = 0.002), superior turbinate (P = 0.007), spheno-ethmoid recess (P = 0.006), uncinate process (P = 0.002), cribriform area (P = 0.007), and Valve of Hasner (P = 0.002). Patient discomfort was not significantly different for 3 mm vs. 4 mm endoscopes but correlated with the examiners' assessment of difficulty (r = 0.73). The examiner rated endoscopy with 4 mm endoscopes more difficult (P = 0.027). Conclusions: The 3 mm endoscope was superior in visualizing the sphenoid ostium, superior turbinate, spheno-ethmoid recess, uncinate process, cribriform plate, and valve of Hasner. It therefore may be useful in assessment of spheno-ethmoid recess, nasolacrimal duct, and cribriform area pathologies. Overall, patients tolerated nasal endoscopy well. Though patient discomfort was not significantly different between the endoscopes, most discomfort with 3 mm endoscopes was noted while examining structures difficult to visualize with the 4 mm endoscope. Patients' discomfort correlated with the examiner's assessment of difficulty. PMID- 29204577 TI - Evidence for a 'preinvasive' variant of fungal sinusitis: Tissue invasion without angioinvasion. AB - Clinical experience has suggested the existence of an intermediate form of fungal sinusitis between the categories of non-invasive fungal sinusitis (non-IFS) and invasive fungal sinusitis (IFS). This fungal sinusitis variant demonstrates unhealthy mucosa by endoscopy with fungal invasion, but lacks angioinvasion microscopically, representing what clinically behaves as a 'pre-invasive' subtype of fungal sinusitis. Unlike non-IFS disease, patients with pre-invasive fungal sinusitis were still felt to require anti-fungal medications due to histologic presence of invasive fungus. While sharing some clinical features of IFS, these 'intermediate' patients were successfully spared extended and repeated surgical debridements given the microscopic findings, and have been successfully treated with shorter courses of antifungal therapy. These select patients have had favorable outcomes when managed in a judicious and semi-aggressive manner, in an undefined zone between the treatments for routine fungal ball and aggressive IFS. PMID- 29204578 TI - Nasal septum suture combined with inferior turbinate coblation after septoplasty: Does it improve quality of life and reduce complications? AB - Objective: Nasal packing is routinely applied after septoplasty. Patients, however, report feeling very uncomfortable while the packing is in place. The aim of this study was to compare the effects of nasal septum suture combined with inferior turbinate coblation to the effects of nasal packing after septoplasty. Methods: In this study, 135 patients undergoing septoplasty were divided into 3 groups: group 1 patients had microdebrider with packing, group 2 received coblation with packing and group 3 had coblation with suture. Early postoperative quality of life and complications were compared between the 3 groups. Results: The patients in group 1 experienced the most postoperative nasal pain, headache, dysphagia, sleep disturbance and bleeding on the night of surgery; while the patients in group 3 experienced the fewest symptoms. No difference in epiphora was observed between the 3 groups. More pain and bleeding were experienced when comparing the pack removal (Group 1 and 2) with the clearance of the nasal cavity (Group 3). We noted one case of postoperative bleeding in group 1, one septal hematoma in group 1 and a second septal hematoma in group 2. No such postoperative complications were found in group 3. Conclusion: Nasal septum suture combined with inferior turbinate coblation was not only associated with less pain, increased patient satisfaction and an improved quality of life; but also reduced postoperative complications. Our results confirm that it is a more comfortable, reliable alternative to the more common nasal packing. PMID- 29204579 TI - Ocular cranial nerve palsies secondary to sphenoid sinusitis. AB - Objective: The clinical presentation of sphenoid sinusitis can be highly variable. Rarely, sphenoid sinusitis may present with cranial nerve complications due to the proximity of these structures to the sphenoid sinus. Method: A case series from Rabin Medical Center and all cases of cranial nerves palsies secondary to sphenoid sinusitis that have been reported in the literature were reviewed. Results: Seventeen patients were identified. The abducent nerve was the most common cranial nerve affected (76%), followed by the oculomotor nerve (18%). One patient had combined oculomotor, trochlear and abducent palsies. The most common pathology was isolated purulent sphenoid sinusitis in 64% followed by allergic fungal sinusitis (AFS) in 18%, and fungal infection in 18%. 94% had an acute presentation. The majority (85%) received a combined intravenous antibiotics and surgical treatment. The remainder received conservative treatment alone. Complete recovery of cranial nerve palsy was noted in 82% during follow up. Conclusion: Sphenoid sinusitis presenting as diplopia and headaches is rare. A neoplastic process must be ruled out and early surgical intervention with intravenous antimicrobial therapy carry an excellent outcome with complete resolution of symptoms. PMID- 29204580 TI - Etiology of sinonasal inverted papilloma: A narrative review. AB - Objective: Sinonasal inverted papilloma (IP) is a benign and uncommon tumor of the nasal cavity and paranasal sinuses with a tendency for recurrence and even malignant transformation. Though the morphology and clinical behavior of this lesion has been well described, its etiology remains controversial. Methods: Computerized searches were performed in PubMed, Scopus, and Google scholar through May 2015. In this review, etiologic factors including human papilloma virus (HPV), Epstein-Barr virus (EBV), cell cycle related proteins and angiogenic factors, occupational and environmental exposures, and chronic inflammation, will be discussed. Results: Many studies indicate that HPV has been detected in a significant percentage of IP, while EBV has not been shown to be significantly associated. Certain cell cycle regulatory factors and angiogenic proteins contribute to the dysregulation of proliferation and apoptosis, and facilitate migration and tumor invasion. Occupational exposures, such as welding and organic solvents, have been implicated, and smoking seems more critical to recurrence and dysplasia rather than initial IP occurrence. Chronic inflammation may also have a causative relationship with inverted papilloma, but the mechanism is unclear. Conclusions: Though etiology of sinonasal IP remains controversial, the studies reviewed here indicate a role for viral infection, cell cycle and angiogenic factors, environmental and occupational exposure, and chronic inflammation. Further study on etiologic factors is necessary for clinical guidance and therapeutic targets. PMID- 29204581 TI - Allergic fungal sinusitis caused by Schizophyllum commune. AB - A case of allergic fungal sinusitis (AFS) due to Schizophyllum commune was reported. The pathogen was identified using molecular bioanalysis. The patient underwent the functional endoscopic sinus surgery followed by the radical maxillary sinusotomy with canine fossa trephine. This case suggested that complete surgery allowed optimal disease clearance for AFS caused by Schizophyllum commune. PMID- 29204582 TI - Publication trends in obstructive sleep apnea: Evidence of need for more evidence. AB - Objective: Published research in obstructive sleep apnea (OSA) appears limited despite OSA being a highly prevalent adult and pediatric disease leading to many adverse outcomes if left untreated. We aimed to quantify the deficit in OSA scientific literature in order to provide a novel way of identifying gaps in knowledge and a need for further research inquiry. Methods: This was a Bibliometric analysis study. Using Ovid Medline database we analyzed and compared research output (medical and surgical) between adult OSA and similarly prevalent chronic conditions (Type II diabetes (T2DM), coronary artery disease (CAD) and osteoarthritis (OA)) from December 2016 up to fifty years prior. Linear graphs were utilized to trend collected data. Utilizing same strategy, we compared publication trends for pediatric OSA to asthma and gastroesophageal reflux (GER). Results: Adult OSA publications (n = 9314) were significantly underrepresented when compared to T2DM (n = 66,023), CAD (n = 31,526) and OA (n = 34,123). Linear plots demonstrated that despite increasing number of publications this disparity persisted annually. Surgical literature composed 10.4% (n = 972) of adult OSA publications and reached a plateau in the last ten years. Pediatric OSA (n = 2994) had less research output when compared to asthma (n = 47,442) and GER (n = 6705). However, over past five years pediatric OSA surpassed GER in annual number of publications. Surgical literature represented 23.1% (n = 693) of pediatric OSA publications and continued increasing over past ten years. Study methodologies for both adult and pediatric OSA showed a lack of randomized controlled trials and meta-analyses in comparison to other diseases. Conclusion: Our review shows substantial deficit in total, annual and surgical adult OSA published research compared to similarly prevalent diseases. This trend is not entirely observed in pediatric OSA literature. PMID- 29204583 TI - OSA treatment history in an upper airway stimulation trial cohort. AB - Objectives: Analyze the obstructive sleep apnea (OSA) treatment history in a group of participants who enrolled in a hypoglossal nerve stimulation trial. Methods: Moderate-severe OSA patients with difficulty adhering to CPAP presented for enrollment in a multicenter trial. Self-reported history on prior OSA medical therapy was collected at enrollment, including OSA diagnosis date, CPAP start and stop dates, oral appliance trial, and reasons for discontinuation or non adherence. Results: The cohort consisted of 929 participants, 83% male, with a mean age (53.9 +/- 10.5) years. Ninety percent (n = 835) had complete CPAP information including 47% (n = 435) who discontinued therapy prior to enrollment and 43% (n = 400) who were still attempting CPAP but had inadequate adherence. Abandonment rates were 60% at 1-year, 73% at 3-years, and 86% at 5-years. Oral appliance therapy was attempted by 171 patients for mean (1.8 +/- 2.3) years, with 81% abandonment at 1 year, 89% at 3-years, and 94% at 5-years. Conclusions: In this CPAP-refractory cohort, high rates of CPAP abandonment were reported in the first several years with approximately half of the participants not receiving any treatment despite being diagnosed for >5 years. Close clinical follow-up and consideration of alternative treatment options is indicated in all OSA patients in order to ensure adequate longitudinal care. PMID- 29204584 TI - Anatomic measures of upper airway structures in obstructive sleep apnea. AB - Objective: Determine if anatomic dimensions of airway structures are associated with airway obstruction in obstructive sleep apnea (OSA) patients. Methods: Twenty-eight subjects with (n = 14) and without (n = 14) OSA as determined by clinical symptoms and sleep studies; volunteer sample. Skeletal and soft tissue dimensions were measured from radiocephalometry and magnetic resonance imaging. The soft palate thickness, mandibular plane-hyoid (MP-H) distance, posterior airway space (PAS) diameters and area, and tongue volume were calculated. Results: Compared to controls, the OSA group demonstrated a significantly longer MP-H distance (P = 0.009) and shorter nasal PAS diameter (P = 0.02). The PAS area was smaller (P = 0.002) and tongue volume larger in the OSA group (P = 0.004). The MP-H distance, PAS measurements, and tongue volume are of clinical relevance in OSA patients. Conclusions: A long MP-H distance, and small PAS diameters and area are significant anatomic measures in OSA; however the most substantial parameter found was a large tongue volume. PMID- 29204585 TI - Application of drug-induced sleep endoscopy in patients treated with upper airway stimulation therapy. AB - Objective: To determine the level of agreement among experienced operators of candidacy for upper airway stimulation (UAS) based on evaluation of drug-induced sleep endoscopy (DISE). Methods: The trial was designed as a single-blinded cross sectional study. Four otolaryngologists with extensive DISE experience were given 63 video clips from the STAR trial video library. These videos were graded using the VOTE classification. Percentage agreement and Cohen's kappa (for inter-rater reliability) were calculated between pairs of reviewers, assessing palatal complete concentric collapse (CCC) and determining UAS eligibility. Subjects were also grouped based on collapse severity for each reviewer. Results: The reviewers had excellent (approximately 90%) agreement on findings at the level of the soft palate and tongue base. The inter-rater reliability for palatal CCC ranged from moderate to substantial. The agreement on determining the criteria for UAS implantation ranged from poor to moderate. All 4 upper airway structures as classified by the criteria of the VOTE were graded by all the reviewers as contributing to obstruction in a majority of subjects who were performed via application of DISE. Conclusion: Application of DISE remains a subjective examination, even among those experienced operators, therefore more studies need to be performed for evaluation of improvement in inter-rater reliability after implantation of training videos. PMID- 29204586 TI - Transoral robotic surgery for obstructive sleep apnea syndrome: Principles and technique. AB - Objective: The present study is a review of transoral robotic surgery (TORS) for the treatment of obstructive sleep apnea-hypopnea syndrome (OSAHS). Methods: The review presents the experience of the robotic center that developed the technique with regards to patient selection, surgical method, and post-operative care. In addition, the review provides results of a systematic review and meta-analysis of the complications and clinical outcomes of TORS when applied in the management of OSAHS. Results: The rate of success, defined as 50% reduction of pre-operative AHI and an overall AHI <20 events/h, is achieved in up to 76.6% of patients with a range between 53.8% and 83.3%. The safety of this approach is reasonable as the main complication (bleeding) affected 4.2% of patients (range 4.2%-5.3%). However, transient dysphagia (7.2%; range 5%-14%) does compromise the quality of life and must be discussed with patients preoperatively. Conclusions: TORS for the treatment of OSAHS appears to be a promising and safe procedure for patients seeking an alternative to traditional therapy. Appropriate patient selection remains an important consideration for successful implementation of this novel surgical approach requiring further research. PMID- 29204587 TI - Transoral robotic surgery vs. endoscopic partial midline glossectomy for obstructive sleep apnea. AB - Objective: To compare sleep-related outcomes in obstructive sleep apnea hypopnea syndrome (OSAHS) patients following base of tongue resection via robotic surgery and endoscopic midline glossectomy. Methods: This was a retrospective study. A total of 114 robotic and 37 endoscopic midline glossectomy surgeries were performed between July 2010 and April 2015 as part of single or multilevel surgery. Patients were excluded for indications other than sleep apnea or if complete sleep studies were not obtained. Thus, 45 robotic and 16 endoscopic surgeries were included in the analysis. Results: In the robotic surgery group there were statistically significant improvements in AHI [(44.4 +/- 22.6) events/h-(14.0 +/- 3.0) events/h, P < 0.001] Epworth Sleepiness Scale (12.3 +/- 4.6 to 4.5 +/- 2.9, P < 0.001), and O2 nadir (82.0% +/- 6.1% to 85.0% +/- 5.4%, P < 0.001). In the endoscopic group there were also improvements in AHI (48.7 +/- 30.2 to 27.4 +/- 31.9, P = 0.06), Epworth Sleepiness Scale (12.6 +/- 5.5 to 8.3 +/- 4.5, P = 0.08), and O2 nadir (80.2% +/- 8.6% to 82.7% +/- 6.5%, P = 0.4). Surgical success rate was 75.6% and 56.3% in the robotic and endoscopic groups, respectively. Greater volume of tissue removed was predictive of surgical success in the robotic cases (10.3 vs. 8.6 ml, P = 0.02). Conclusions: Both robotic surgery and endoscopic techniques for tongue base reduction improve objective measures of sleep apnea. Greater success rates may be achieved with robotic surgery compared to traditional methods. PMID- 29204588 TI - Radiofrequency ablation of the lateral palatal space for snoring. AB - Objective: Pilot study to examine the effect of radiofrequency ablation (RFA) of the lateral palatal fat pad in patients with socially-disruptive snoring. Method: Snoring outcomes and complications were compared between a group of patients with treated with RFA ablation of the lateral soft palate fat pad with or without inferior turbinate reduction (8 patients) and another group undergoing inferior turbinate reduction alone (12 patients). Results: Snoring loudness and bothersomeness improved in the palate but not inferior turbinate group. Pain was mild and no major complications were observed. Conclusion: The study supports RFA ablation of the lateral palatal space as a potential low morbidity procedure for snoring. PMID- 29204589 TI - Hyoid myotomy and suspension without simultaneous palate or tongue base surgery for obstructive sleep apnea. AB - Objective: Determine the effects of hyoid myotomy and suspension (HMS) without concurrent palatal or tongue base sleep surgery for obstructive sleep apnea (OSA). Method: Patients with OSA treated with HMS were identified using CPT code (21685) at an academic and private sleep surgery clinic. Those who underwent concurrent palatal or tongue base sleep surgery were excluded. Outcomes included simultaneous procedures, apnea-hypopnea index (AHI), lowest oxyhemoglobin saturation (LSAT), and Epworth Sleepiness Scale (ESS). Results: Nineteen patients with OSA underwent HMS without palatal or tongue base sleep surgery. The average age at surgery was (55.3 +/- 13.5) years with a majority of patients being male (71%). Concurrent procedures included the following: torus mandibularis excision (n = 1), endoscopic sinus surgery (n = 4), septoplasty (n = 10), inferior turbinate reduction (n = 12), and nasal valve repair (n = 2). AHI improved significantly from (39.7 +/- 21.2) events/h to (22.6 +/- 22.7) events/h after HMS (P < 0.01), which represented a 43% reduction. LSAT significantly increased from (82.2% +/- 9.9%) to (86.6% +/- 6.2%), P < 0.01. There was no improvement in ESS after surgery (8.2 +/- 4.4) to (8.3 +/- 5.2), P = 0.904. A subset of patients with severe OSA (AHI > 30 events/h) had an improvement in AHI from (49.9 +/- 16.6) events/h to (29.1 +/- 24.9) events/h, P < 0.01. Conclusion: HMS without palatal or tongue base sleep surgery improves OSA severity. It can be considered as a valid option in the treatment of OSA in appropriately-selected patients. PMID- 29204591 TI - Evaluating the Privacy Implications of Frequent Itemset Disclosure. AB - Frequent itemset mining is a fundamental data analytics task. In many cases, due to privacy concerns, only the frequent itemsets are released instead of the underlying data. However, it is not clear how to evaluate the privacy implications of the disclosure of the frequent item-sets. Towards this, in this paper, we define the k-distant-IFM-solutions problem, which aims to find k transaction datasets whose pair distance is maximized. The degree of difference between the reconstructed datasets provides a way to evaluate the privacy risk. Since the problem is NP-hard, we propose a 2-approximate solution as well as faster heuristics, and evaluate them on real data. PMID- 29204590 TI - Thirty years of endoscopic sinus surgery: What have we learned? AB - Prior to adaptation of endoscopic approaches for sinonasal pathology, patients regularly endured significant morbidity from open approaches to the sinonasal cavity that were often fraught with failure. With improvements in transnasal endoscopy, functional endoscopic sinus surgery subsequently emerged from the work of Messerklinger and other pioneers in the field. The popularity of endoscopic sinus surgery quickly escalated and expanded to pathology other than inflammation. Here, we discuss the evolution of endoscopic sinus surgery as it relates to improvements in understanding disease pathogenesis, improvements in instrumentation and expansion of indications. PMID- 29204592 TI - Subtyping Patients with Myalgic Encephalomyelitis (ME) and Chronic Fatigue Syndrome (CFS) By Course of Illness. AB - Past research has subtyped patients with Myalgic Encephalomyelitis (ME) and Chronic Fatigue Syndrome (CFS) according to factors related to illness onset, illness duration, and age. However, no classification system fully accounts for the wide range of symptom severity, functional disability, progression, and prognosis seen among patients. This study examined whether illness trajectories among individuals with CFS were predictive of different levels of symptomology, functional disability, and energy expenditure. Of the participants (N=541), the majority described their illness as Fluctuating (59.7%), with 15.9% Constantly Getting Worse, 14.1% Persisting, 8.5% Relapsing and Remitting, and 1.9% Constantly Getting Better. The illness courses were associated with significant differences in symptomology on select domains of the DSQ, functioning on select subscales of the SF-36, and on overall levels of energy expenditure. The significant symptomatic and functional differences between groups suggest that subtyping patients with CFS according to illness course is a promising method for creating more homogeneous groups of patients. PMID- 29204593 TI - Quantifying the thickness of the electrical double layer neutralizing a planar electrode: the capacitive compactness. AB - The spatial extension of the ionic cloud neutralizing a charged colloid or an electrode is usually characterized by the Debye length associated with the supporting charged fluid in the bulk. This spatial length arises naturally in the linear Poisson-Boltzmann theory of point charges, which is the cornerstone of the widely used Derjaguin-Landau-Verwey-Overbeek formalism describing the colloidal stability of electrified macroparticles. By definition, the Debye length is independent of important physical features of charged solutions such as the colloidal charge, electrostatic ion correlations, ionic excluded volume effects, or specific short-range interactions, just to mention a few. In order to include consistently these features to describe more accurately the thickness of the electrical double layer of an inhomogeneous charged fluid in planar geometry, we propose here the use of the capacitive compactness concept as a generalization of the compactness of the spherical electrical double layer around a small macroion (Gonzalez-Tovar et al., J. Chem. Phys. 2004, 120, 9782). To exemplify the usefulness of the capacitive compactness to characterize strongly coupled charged fluids in external electric fields, we use integral equations theory and Monte Carlo simulations to analyze the electrical properties of a model molten salt near a planar electrode. In particular, we study the electrode's charge neutralization, and the maximum inversion of the net charge per unit area of the electrode-molten salt system as a function of the ionic concentration, and the electrode's charge. The behaviour of the associated capacitive compactness is interpreted in terms of the charge neutralization capacity of the highly correlated charged fluid, which evidences a shrinking/expansion of the electrical double layer at a microscopic level. The capacitive compactness and its first two derivatives are expressed in terms of experimentally measurable macroscopic properties such as the differential and integral capacity, the electrode's surface charge density, and the mean electrostatic potential at the electrode's surface. PMID- 29204594 TI - Exploring the solid state phase transition in dl-norvaline with terahertz spectroscopy. AB - dl-Norvaline is a molecular crystal at room temperature and it undergoes a phase transition when cooled below 190 K. This phase transition is believed to be Martensitic, thus making it of particular interest for molecular machines. In this paper we investigate this phase transition by measuring its terahertz (THz) spectrum over a range of temperatures. Temperature-dependent THz time-domain spectroscopy (THz-TDS) measurements reveal that the transition temperature (Tbeta >alpha) is 190 K. The influence of nucleation seeds was analyzed by determining the Tbeta->alpha of molecular crystals with varying grain size. Grains of 5 MUm or less result in a lower transition temperature (Tbeta->alpha = 180 K) compared to larger grains of 125-250 MUm (Tbeta->alpha = 190 K). Additionally, we gain insight into the physical process of the phase transition via temperature dependent THz-TDS spectra of doped and mixed molecular crystals. The addition of molecular dopants, which differ from dl-norvaline only at the end of the side chain which resides in the hydrophobic layers of the crystal, decreases Tbeta >alpha. This is consistent with a solid-solid phase transition in which the unit cell shifts along this hydrophobic layer, and it leads us to believe that the phase transition in dl-norvaline is Martensitic in nature. PMID- 29204595 TI - Where's water? The many binding sites of hydantoin. AB - Prebiotic hydantoin and its complexes with one and two water molecules are investigated using high-resolution broadband rotational spectroscopy in the 2-8 GHz frequency range. The hyperfine structure due to the nuclear quadrupole coupling of the two 14N atoms is analysed for the monomer and the complexes. This characteristic hyperfine structure will support a definitive assignment from low frequency radioastronomy data. Experiments with H218O provide accurate experimental information on the preferred binding sites of water, which are compared with quantum-chemically calculated coordinates. In the 2-water complexes, the water molecules bind to hydantoin as a dimer instead of individually, indicating the strong water-water interactions. This information provides first insight on how hydantoin interacts with water on the molecular level. PMID- 29204596 TI - Overlapping Surgery-Perspectives From the Other Side of the Table. PMID- 29204597 TI - Association of Overlapping Surgery With Increased Risk for Complications Following Hip Surgery: A Population-Based, Matched Cohort Study. AB - Importance: Overlapping surgery, also known as double-booking, refers to a controversial practice in which a single attending surgeon supervises 2 or more operations, in different operating rooms, at the same time. Objective: To determine if overlapping surgery is associated with greater risk for complications following surgical treatment for hip fracture and arthritis. Design, Setting, and Participants: This was a retrospective population-based cohort study in Ontario, Canada (population, 13.6 million), for the years 2009 to 2014. There was 1 year of follow-up. This study encompassed 2 large cohorts. The "hip fracture" cohort captured all persons older than 60 years who underwent surgery for a hip fracture during the study period. The "total hip arthroplasty" (THA) cohort captured all primary elective THA recipients for arthritis during the study period. We matched overlapping and nonoverlapping hip fractures by patient age, patient sex, surgical procedure (for the hip fracture cohort), primary surgeon, and hospital. Exposures: Procedures were identified as overlapping if they overlapped with another surgical procedure performed by the same primary attending surgeon by more than 30 minutes. Main Outcomes and Measures: Complication (infection, revision, dislocation) within 1 year. Results: There were 38 008 hip fractures, and of those, 960 (2.5%) were overlapping (mean age of patients, 66 years [interquartile range, 57-74 years]; 503 [52.4%] were female). There were 52 869 THAs and of those, 1560 (3.0%) overlapping (mean age, 84 years [interquartile range, 77-89 years]; 1293 [82.9%] were female). After matching, overlapping hip fracture procedures had a greater risk for a complication (hazard ratio [HR], 1.85; 95% CI, 1.27-2.71; P = .001), as did overlapping THA procedures (HR, 1.79; 95% CI, 1.02-3.14; P = .04). Among overlapping hip fracture operations, increasing duration of operative overlap was associated with increasing risk for complications (adjusted odds ratio, 1.07 per 10-minute increase in overlap; P = .009). Conclusions and Relevance: Overlapping surgery was relatively rare but was associated with an increased risk for surgical complications. Furthermore, increasing duration of operative overlap was associated with an increasing risk for complications. These findings support the notion that overlapping provision of surgery should be part of the informed consent process. PMID- 29204598 TI - Finding Health Care Prices Online-How Difficult Is It to Be an Informed Health Care Consumer? PMID- 29204599 TI - A Rapid Irregular Rhythm in a Healthy, Young Patient: How Fast Can You Go? PMID- 29204600 TI - Further Actions Are Needed to Prevent Maternal Deaths From Epilepsy. PMID- 29204601 TI - Receptive Vocabulary, Cognitive Flexibility, and Inhibitory Control Differentially Predict Older and Younger Adults' Success Perceiving Speech by Talkers With Dysarthria. AB - Purpose: Previous research has demonstrated equivocal findings related to the effect of listener age on intelligibility ratings of dysarthric speech. The aim of the present study was to investigate the mechanisms that support younger and older adults' perception of speech by talkers with dysarthria. Method: Younger and older adults identified words in phrases produced by talkers with dysarthria. Listeners also completed assessments on peripheral hearing, receptive vocabulary, and executive control functions. Results: Older and younger adults did not differ in their ability to perceive speech by talkers with dysarthria. Younger adults' success in identifying words produced by talkers with dysarthria was associated only with their hearing acuity. In contrast, older adults showed effects of working memory and cognitive flexibility and interactions between hearing acuity and receptive vocabulary and between hearing acuity and inhibitory control. Conclusions: Although older and younger adults had equivalent performance identifying words produced by talkers with dysarthria, older adults appear to utilize more cognitive support to identify those words. PMID- 29204602 TI - Encouraging New Uses for Old Drugs. PMID- 29204603 TI - Trends in U.S. Drug Overdose Deaths in Non-Hispanic Black, Hispanic, and Non Hispanic White Persons, 2000-2015. PMID- 29204604 TI - Hair Loss in a Young Child. PMID- 29204605 TI - Association Between Microinfarcts and Blood Pressure Trajectories. AB - Importance: Cerebral microinfarcts are associated with increased risk of cognitive impairment and may have different risk factors than macroinfarcts. Subcortical microinfarcts are associated with declining blood pressure (BP) in elderly individuals. Objective: To investigate BP slopes as a risk factor for microinfarcts. Design, Setting, and Participants: From the population-based Mayo Clinic Study of Aging, 303 of 1158 individuals (26.2%) in this cohort study agreed to have an autopsy between November 1, 2004, and March 31, 2016. Cerebral microinfarcts were identified and classified as cortical or subcortical. Baseline and BP trajectories were compared for groups with no microinfarcts, subcortical microinfarcts, and cortical microinfarcts. A secondary logistic regression analysis was performed to assess associations of subcortical microinfarcts with midlife hypertension, as well as systolic and diastolic BP slopes. Main Outcomes and Measures: The presence of cerebral microinfarcts using BP slopes. Results: Of the 303 participants who underwent autopsy, 297 had antemortem BP measurements. Of these, 177 (59.6%) were men; mean (SD) age at death was 87.2 (5.3) years. The autopsied individuals and the group who died but were not autopsied were similar for all demographics except educational level with autopsied participants having a mean of 1 more year of education (1.06; 95% CI, 0.66-1.47 years; P < .01). Among 297 autopsied individuals with antemortem BP measurements, 47 (15.8%) had chronic microinfarcts; 30 (63.8%) of these participants were men. Thirty (63.8%) had cortical microinfarcts, 19 (40.4%) had subcortical microinfarcts, and 4 (8.5%) had only infratentorial microinfarcts. Participants with microinfarcts did not differ significantly on baseline systolic (mean difference, -1.48; 95% CI, 7.30 to 4.34; P = .62) and diastolic (mean difference of slope, -0.90; 95% CI, 3.93 to 2.13; P = .56) BP compared with those with no microinfarcts. However, participants with subcortical microinfarcts had a greater annual decline (negative slope) of systolic (mean difference of slope, 4.66; 95% CI, 0.13 to 9.19; P = .04) and diastolic (mean difference, 3.33; 95% CI, 0.61 to 6.06; P = .02) BP. Conclusions and Relevance: Subcortical microinfarcts were associated with declining BP. Future studies should investigate whether declining BP leads to subcortical microinfarcts or whether subcortical microinfarcts are a factor leading to declining BP. PMID- 29204606 TI - Modeling Speech Level as a Function of Background Noise Level and Talker-to Listener Distance for Talkers Wearing Hearing Protection Devices. AB - Purpose: Studying the variations in speech levels with changing background noise level and talker-to-listener distance for talkers wearing hearing protection devices (HPDs) can aid in understanding communication in background noise. Method: Speech was recorded using an intra-aural HPD from 12 different talkers at 5 different distances in 3 different noise conditions and 2 quiet conditions. Results: This article proposes models that can predict the difference in speech level as a function of background noise level and talker-to-listener distance for occluded talkers. The proposed model complements the existing model presented by Pelegrin-Garcia, Smits, Brunskog, and Jeong (2011) and expands on it by taking into account the effects of occlusion and background noise level on changes in speech sound level. Conclusions: Three models of the relationship between vocal effort, background noise level, and talker-to-listener distance for talkers wearing HPDs are presented. The model with the best prediction intervals is a talker-dependent model that requires the users' unoccluded speech level at 10 m as a reference. A model describing the relationship between speech level, talker to-listener distance, and background noise level for occluded talkers could eventually be incorporated with radio protocols to transmit verbal communication only to an intended set of listeners within a given spatial range-this range being dependent on the changes in speech level and background noise level. PMID- 29204607 TI - Longitudinal Associations Across Prematurity, Attention, and Language in School Age Children. AB - Purpose: This research note explores the potential role of attention in mediating previously reported associations between language outcomes and prematurity. Method: As a follow-up investigation to Mahurin Smith, DeThorne, Logan, Channell, and Petrill (2014), we employed multilevel modeling to analyze longitudinal data on language and attention collected when children were, on average, ages of 7, 8, and 10 years. The sample of 114 children taken from the Western Reserve Reading and Math Project was selected to oversample children with a history of prematurity while also controlling for differences in confounding influences such as age, gender, parental education, and race. Results: As predicted, attention differentially predicted language outcomes based on form of measurement. Specifically, parent and examiner ratings of attention were significantly associated with standardized test performance at all 3 time points (R2 = 15.2% 20%). Associations between attention and language sample measures were less consistent across home visits and tended to be smaller in effect size. Conclusion: Attention abilities are associated with children's language performance even in the absence of an attention-deficit/hyperactivity disorder diagnosis. Clinical implications, particularly as related to assessment, are discussed. PMID- 29204609 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204608 TI - Magnitude of Neck-Surface Vibration as an Estimate of Subglottal Pressure During Modulations of Vocal Effort and Intensity in Healthy Speakers. AB - Purpose: This study examined the relationship between the magnitude of neck surface vibration (NSVMag; transduced with an accelerometer) and intraoral estimates of subglottal pressure (P'sg) during variations in vocal effort at 3 intensity levels. Method: Twelve vocally healthy adults produced strings of /palpha/ syllables in 3 vocal intensity conditions, while increasing vocal effort during each condition. Measures were made of P'sg (estimated during stop consonant closure), NSVMag (measured during the following vowel), sound pressure level, and respiratory kinematics. Mixed linear regression was used to analyze the relationship between NSVMag and P'sg with respect to total lung volume excursion, levels of lung volume initiation and termination, airflow, laryngeal resistance, and vocal efficiency across intensity conditions. Results: NSVMag was significantly related to P'sg (p < .001), and there was a significant, although small, interaction between NSVMag and intensity condition. Total lung excursion was the only additional variable contributing to predicting the NSVMag-P'sg relationship. Conclusions: NSVMag closely reflects P'sg during variations of vocal effort; however, the relationship changes across different intensities in some individuals. Future research should explore additional NSV-based measures (e.g., glottal airflow features) to improve estimation accuracy during voice production. PMID- 29204610 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204611 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204612 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204613 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204614 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204615 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204616 TI - Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain. PMID- 29204617 TI - Comparative Effectiveness of Routine Invasive Coronary Angiography for Managing Unstable Angina. PMID- 29204618 TI - Comparative Effectiveness of Routine Invasive Coronary Angiography for Managing Unstable Angina. PMID- 29204619 TI - Denial. PMID- 29204620 TI - Should This Patient Receive Aspirin?: Grand Rounds Discussion From Beth Israel Deaconess Medical Center. AB - Aspirin exerts antiplatelet effects through irreversible inhibition of cyclooxygenase-1, whereas its anticancer effects may be due to inhibition of cyclooxygenase-2 and other pathways. In 2009, the U.S. Preventive Services Task Force endorsed aspirin for primary prevention of cardiovascular disease. However, aspirin's role in cancer prevention is still emerging, and no groups currently recommend its use for this purpose. To help physicians balance the benefits and harms of aspirin in primary disease prevention, the Task Force issued a guideline titled, "Aspirin Use for the Primary Prevention of Cardiovascular Disease and Colorectal Cancer" in 2016. In the evidence review conducted for the guideline, cardiovascular disease mortality and colorectal cancer mortality were significantly reduced among persons taking aspirin. However, there was no difference in nonfatal stroke, cardiovascular disease mortality, or all-cause mortality, nor in total cancer mortality, among those taking aspirin. Aspirin users were found to be at increased risk for major gastrointestinal bleeding. In this Beyond the Guidelines, the guideline is reviewed and 2 experts discuss how they would apply it to a 57-year-old man considering starting aspirin for primary prevention. Our experts review the data on which the guideline is based, discuss how they would balance the benefits and harms of aspirin therapy, and explain how they would incorporate shared decision making into clinical practice. PMID- 29204621 TI - Terminal. PMID- 29204623 TI - Web Exclusives. Annals Graphic Medicine - Dear Doctor II. PMID- 29204622 TI - Dyslipidemia. AB - Dyslipidemia is an important risk factor for coronary artery disease and stroke. Long-term, prospective epidemiologic studies have consistently shown that persons with healthier lifestyles and fewer risk factors for coronary heart disease, and particularly those with favorable lipid profiles, have reduced incidence of coronary heart disease. Prevention and sensible management of dyslipidemia can markedly alter cardiovascular morbidity and mortality. PMID- 29204627 TI - The ACC/AHA 2017 Hypertension Guidelines: Both Too Much and Not Enough of a Good Thing? PMID- 29204629 TI - Search Images and Extrapolation Risk. PMID- 29204630 TI - Specialty Societies and Breast Cancer Screening Recommendations. PMID- 29204631 TI - Drug Trials Snapshots and Sexless Drug Labels. PMID- 29204632 TI - Considerations Concerning Disease Redefinition. PMID- 29204633 TI - Concerns About Conclusions of Self-monitoring of Blood Glucose. PMID- 29204634 TI - Search Images and Extrapolation Risk. PMID- 29204635 TI - Selection Does Not Equate Consumption. PMID- 29204636 TI - Search Images and Extrapolation Risk-Reply. PMID- 29204637 TI - Specialty Societies and Breast Cancer Screening Recommendations-Reply. PMID- 29204638 TI - Search Images and Extrapolation Risk-Reply. PMID- 29204639 TI - Drug Trials Snapshots and Sexless Drug Labels-Reply. PMID- 29204640 TI - Concerns About Conclusions of Self-monitoring of Blood Glucose-Reply. PMID- 29204641 TI - Considerations Concerning Disease Redefinition-Reply. PMID- 29204642 TI - Selection Does Not Equate Consumption-Reply. PMID- 29204644 TI - Topical Application of Mizoribine Suppresses CD4+ T-cell-Mediated Pathogenesis in Murine Dry Eye. AB - Purpose: We investigate the effect of topical application of mizoribine (MZR) eye drops on CD4+ T-cell-mediated immunity and epithelial damage in ocular surface of dry eye disease (DED). Methods: Topical application of MZR or vehicle eye drops was performed in mice subjected to desiccating stress (DS). The phenol red cotton test was used to measure tear production, and Oregon-green-dextran (OGD) staining was performed to assess corneal epithelial barrier function. PAS staining was used to quantify conjunctival goblet cells. Immunofluorescent staining and quantitative (q) RT-PCR were used to assess the expression of matrix metalloproteinase (MMP)-9 in corneal epithelium. qRT-PCR and ELISA were used to assess the production of TNF-alpha and IL-1beta in conjunctiva. Apoptosis in ocular surface was assessed by TUNEL and activation of caspase-8. CD4+ T-cell mediated immunity was evaluated by CD4 immunohistochemistry and production of T helper cytokines, including IFN-gamma, IL-13, and IL-17A in conjunctiva. Results: Compared to vehicle control mice, topical MZR-treated mice showed increased tear production, decreased goblet cell loss, and improved corneal barrier function. Topical application of MZR suppressed the expression of MMP-9 in corneal epithelium and apoptosis in ocular surface, while it had no obvious effect on production of TNF-alpha and IL-1beta in conjunctiva. Topical application of MZR decreased CD4+ T cells infiltration, with decreased production of IFN-gamma and IL-17A, and increased production of IL-13 in conjunctiva. Conclusions: Topical application of MZR could alleviate epithelial damage and CD4+ T-cell-mediated immunity in ocular surface of DED. PMID- 29204645 TI - Evaluation of (fli:GFP) Casper Zebrafish Embryos as a Model for Human Conjunctival Melanoma. AB - Purpose: Conjunctival melanoma (CM) is a rare malignant disease that can lead to recurrences and metastases. There is a lack of effective treatments for the metastases, and we set out to develop a new animal model to test potential therapies. Zebrafish are being used as a model for many diseases, and our goal was to test whether this animal could be used to study CM. Methods: Three human CM cell lines (CRMM-1 and CM2005.1, which both harbor a B-RAF mutation, and CRMM 2, which has an N-RAS mutation) were injected into the yolk sac, around the eye, and into the duct of Cuvier of transgenic (fli:GFP) Casper zebrafish embryos. Fluorescent and confocal images were taken to assess the phenotype and the behavior of engrafted cells and to test the effect of Vemurafenib as a treatment against CM. Results: While the cells that had been injected inside the yolk sac died and those injected around the eye sporadically went into the circulation, the cells that had been injected into the duct of Cuvier colonized the zebrafish: cells from all three cell lines proliferated and disseminated to the eyes, where they formed clusters, and to the tail, where we noticed extravasation and micrometastases. Vemurafenib, a potent agent for treatment of B-RAF V600E positive melanoma, inhibited outgrowth of CRMM-1 and CM2005.1 cells in a mutation dependent way. Conclusions: The (fli:GFP) Casper zebrafish embryo can be used as an efficient animal model to study metastatic behavior of human CM cells and warrants further testing of drug efficacy to aid care of CM patients. PMID- 29204646 TI - A Novel Zebrafish Model for Studying Metastatic Behavior of Human Conjunctival Melanoma Cells. PMID- 29204647 TI - The Preferred Retinal Locus Used to Watch Videos. AB - Purpose: Eccentric viewing is a common strategy used by people with central vision loss (CVL) to direct the eye such that the image falls onto functioning peripheral retina, known as the preferred retinal locus (PRL). It has been long acknowledged that we do not know whether the PRL used in a fixation test is also used when performing tasks. We present an innovative method to determine whether the same PRL observed during a fixation task was used to watch videos and whether poor resolution affects gaze location. Methods: The gaze of a group of 60 normal vision (NV) observers was used to define a democratic center of interest (COI) of video clips from movies and television. For each CVL participant (N = 20), we computed the gaze offsets from the COI across the video clips. The distribution of gaze offsets of the NV participants was used to define the limits of NV behavior. If the gaze offset was within this 95% degree confidence interval, we presumed that the same PRL was used for fixation and video watching. Another 15 NV participants watched the video clips with various levels of defocus blur. Results: CVL participants had wider gaze-offset distributions than NV participants (P < 0.001). Gaze offsets of 18/20 CVL participants were outside the NV confidence interval. Further, none of the 15 NV participants watching the same videos with spherical defocus blur had a gaze offset that was decentered (outside the NV confidence interval), suggesting that resolution was not the problem. Conclusions: This indicates that many CVL participants were using a PRL to view videos that differed from that found with a fixation task and that it was not caused by poor resolution alone. The relationship between these locations needs further investigation. PMID- 29204648 TI - AAV-CRISPR/Cas9-Mediated Depletion of VEGFR2 Blocks Angiogenesis In Vitro. AB - Purpose: Pathologic angiogenesis is a component of many diseases, including neovascular age-related macular degeneration, proliferation diabetic retinopathy, as well as tumor growth and metastasis. The purpose of this project was to examine whether the system of adeno-associated viral (AAV)-mediated CRISPR (clustered regularly interspaced short palindromic repeats)-associated endonuclease (Cas)9 can be used to deplete expression of VEGF receptor 2 (VEGFR2) in human vascular endothelial cells in vitro and thus suppress its downstream signaling events. Methods: The dual AAV system of CRISPR/Cas9 from Streptococcus pyogenes (AAV-SpGuide and -SpCas9) was adapted to edit genomic VEGFR2 in primary human retinal microvascular endothelial cells (HRECs). In this system, the endothelial-specific promoter for intercellular adhesion molecule 2 (ICAM2) was cloned into the dual AAV vectors of SpGuide and SpCas9 for driving expression of green fluorescence protein (GFP) and SpCas9, respectively. These two AAV vectors were applied to production of recombinant AAV serotype 5 (rAAV5), which were used to infect HRECs for depletion of VEGFR2. Protein expression was determined by Western blot; and cell proliferation, migration, as well as tube formation were examined. Results: AAV5 effectively infected vascular endothelial cells (ECs) and retinal pigment epithelial (RPE) cells; the ICAM2 promoter drove expression of GFP and SpCas9 in HRECs, but not in RPE cells. The results showed that the rAAV5 CRISPR/Cas9 depleted VEGFR2 by 80% and completely blocked VEGF-induced activation of Akt, and proliferation, migration as well as tube formation of HRECs. Conclusions: AAV-CRISRP/Cas9-mediated depletion of VEGFR2 is a potential therapeutic strategy for pathologic angiogenesis. PMID- 29204650 TI - Reducing the Underimmunization of Transplant Recipients. PMID- 29204649 TI - AAV2-Mediated Transduction of the Mouse Retina After Optic Nerve Injury. AB - Purpose: Gene therapy of retinal ganglion cells (RGCs) has promise as a powerful therapeutic for the rescue and regeneration of these cells after optic nerve damage. However, early after damage, RGCs undergo atrophic changes, including gene silencing. It is not known if these changes will deleteriously affect transduction and transgene expression, or if the therapeutic protein can influence reactivation of the endogenous genome. Methods: Double-transgenic mice carrying a Rosa26-(LoxP)-tdTomato reporter, and a mutant allele for the proapoptotic Bax gene were reared. The Bax mutant blocks apoptosis, but RGCs still exhibit nuclear atrophy and gene silencing. At times ranging from 1 hour to 4 weeks after optic nerve crush (ONC), eyes received an intravitreal injection of AAV2 virus carrying the Cre recombinase. Successful transduction was monitored by expression of the tdTomato reporter. Immunostaining was used to localize tdTomato expression in select cell types. Results: Successful transduction of RGCs was achieved at all time points after ONC using AAV2 expressing Cre from the phosphoglycerate kinase (Pgk) promoter, but not the CMV promoter. ONC promoted an increase in the transduction of cell types in the inner nuclear layer, including Muller cells and rod bipolar neurons. There was minimal evidence of transduction of amacrine cells and astrocytes in the inner retina or optic nerve. Conclusions: Damaged RGCs can be transduced and at least some endogenous genes can be subsequently activated. Optic nerve damage may change retinal architecture to allow greater penetration of an AAV2 virus to transduce several additional cell types in the inner nuclear layer. PMID- 29204652 TI - Effect of Nasal Continuous Positive Airway Pressure on Infants With Meconium Aspiration Syndrome: A Randomized Clinical Trial. AB - Importance: Nasal continuous positive airway pressure (NCPAP) as a primary respiratory therapy in meconium aspiration syndrome (MAS) has not been studied extensively. Nasal continuous positive airway pressure, when applied in newborns with MAS, may resolve atelectasis by sufficiently expanding partially obstructed small airways and stabilizing the collapsing terminal airways to enhance oxygen exchange. Objective: To compare NCPAP vs standard care in neonates with moderate to severe respiratory failure due to MAS in reducing the need for invasive ventilation. Design, Settings, and Participants: This multicenter open-label, parallel-group (1:1 ratio) randomized clinical trial was conducted from August 5, 2014, to May 26, 2016. Data were collected from 3 tertiary care neonatal intensive care units. All infants admitted with respiratory distress, defined as Downe score greater than 4 and peripheral capillary oxygen saturation less than 90%, were assessed for study eligibility if the chest radiograph was suggestive of MAS and they met the other inclusion criteria: gestation longer than 35 weeks, a birth weight greater than 2000 g, and born through meconium-stained amniotic fluid. Interventions: Infants were randomly assigned to either NCPAP or standard care (5-10 L/min hood oxygen). Main Outcomes and Measures: The primary outcome was the need for mechanical ventilation in the first 7 days of life. Results: After excluding 14 infants, 67 infants were randomized to bubble NCPAP and 68 infants to standard care. Baseline characteristics were similar between the 2 groups. Infants randomized to the bubble NCPAP group needed mechanical ventilation less frequently in the first 7 days of life compared with standard care (2 [3.0%] vs 17 [25.0%]); odds ratio, 0.09; 95% CI, 0.02-0.43; P = .002). The need for surfactant (3 [4.5%] vs 11 [16.2%]; odds ratio, 0.24; 95% CI, 0.05 0.87) and culture-positive sepsis (4 [6.0%] vs 13 [19.0%]; odds ratio, 0.28; 95% CI, 0.09-0.93) were higher in the standard care group. There was an increased duration of oxygen therapy (median [interquartile range], 45.5 [28.0-78.3] vs 26 [20.0-48.0] hours; P = .001) in the standard care group. In the NCPAP group vs standard care group, incidence of persistent pulmonary hypertension (9 [13%] vs 19 [28%]; odds ratio, 0.42; 95% CI, 0.17-1.01) and duration of hospital stay (median [interquartile range], 5.0 [4.0-8.8] vs 4.0 [4.0-6.0] days; P = .14) were similar. Conclusions and Relevance: Bubble NCPAP in comparison with standard care for infants with MAS reduces the need for mechanical ventilation in the first 7 days of life. Trial Registration: Clinical Trial Registry, India Identifier: CTRI/2015/03/005631. PMID- 29204651 TI - Whole-Exome Sequencing in Adults With Chronic Kidney Disease: A Pilot Study. AB - Background: The utility of whole-exome sequencing (WES) for the diagnosis and management of adult-onset constitutional disorders has not been adequately studied. Genetic diagnostics may be advantageous in adults with chronic kidney disease (CKD), in whom the cause of kidney failure often remains unknown. Objective: To study the diagnostic utility of WES in a selected referral population of adults with CKD. Design: Observational cohort. Setting: A major academic medical center. Patients: 92 adults with CKD of unknown cause or familial nephropathy or hypertension. Measurements: The diagnostic yield of WES and its potential effect on clinical management. Results: Whole-exome sequencing provided a diagnosis in 22 of 92 patients (24%), including 9 probands with CKD of unknown cause and encompassing 13 distinct genetic disorders. Among these, loss of-function mutations were identified in PARN in 2 probands with tubulointerstitial fibrosis. PARN mutations have been implicated in a short telomere syndrome characterized by lung, bone marrow, and liver fibrosis; these findings extend the phenotype of PARN mutations to renal fibrosis. In addition, review of the American College of Medical Genetics actionable genes identified a pathogenic BRCA2 mutation in a proband who was diagnosed with breast cancer on follow-up. The results affected clinical management in most identified cases, including initiation of targeted surveillance, familial screening to guide donor selection for transplantation, and changes in therapy. Limitation: The small sample size and recruitment at a tertiary care academic center limit generalizability of findings among the broader CKD population. Conclusion: Whole exome sequencing identified diagnostic mutations in a substantial number of adults with CKD of many causes. Further study of the utility of WES in the evaluation and care of patients with CKD in additional settings is warranted. Primary Funding Source: New York State Empire Clinical Research Investigator Program, Renal Research Institute, and National Human Genome Research Institute of the National Institutes of Health. PMID- 29204654 TI - Decreasing Blood Pressure in Older Patients. PMID- 29204653 TI - National Patterns of Carotid Revascularization Before and After the Carotid Revascularization Endarterectomy vs Stenting Trial (CREST). AB - Importance: The Carotid Revascularization Endarterectomy vs Stenting Trial (CREST) showed greater safety of carotid artery stenting (CAS) in patients younger than 70 years and carotid endarterectomy (CEA) in those older than 70 years. It is unknown how the result of CREST has influenced carotid revascularization choices in the United States. Objective: To evaluate national patterns in CAS performance in patients older than 70 years in the post-CREST (2011-2014) compared with the pre-CREST (2007-2010) era. Design, Setting, and Participants: All adults older than 70 years undergoing carotid revascularization in the United States from 2007 to 2014 were retrospectively identified from the 2007-2014 National Inpatient Sample using International Classification of Disease, Ninth Revision procedural codes. From 61 324 882 unweighted hospitalizations contained in the 2007-2014 National Inpatient Sample, 494 733 weighted carotid revascularization admissions in adults older than 70 years were identified using International Classification of Disease, Ninth Revision procedural codes. Main Outcomes and Measures: The proportion of CAS performed in all age groups over time was estimated and multivariable-adjusted models were used to compare the odds of receiving CAS in the pre-CREST with those in the post CREST era in adults older than 70 years. Results: A total of 41.8% of all patients were women, and mean (SE) age at presentation was 78.1 (0.03) years. A total of 16.3% of CAS and 10.1% of CEA procedures were performed in patients with symptomatic stenosis. The proportion of patients older than 70 years receiving CAS increased from 11.9% in the pre-CREST to 13.8% in the post-CREST era (P = .005). In multivariable models, the odds of receiving CAS increased by 13% in all patients older than 70 years in the post-CREST compared with the pre-CREST period (odds ratio [OR], 1.13, 95% CI, 1.00-1.28, P = .04), including symptomatic women (OR, 1.31, 1.05-1.65, P = .02). Symptomatic stenosis (OR 1.39; 95% CI, 1.27-1.52; P < .001), congestive heart failure (OR, 1.48; 95% CI, 1.35-1.63; P < .001), and peripheral vascular disease (OR, 1.35; 95% CI, 1.27-1.43; P < .001) were associated with higher odds of CAS; comorbid hypertension (OR, 0.70; 95% CI, 0.66 0.74; P < .001), smoking (OR, 0.84; 95% CI, 0.78-0.91; P < .001), and weekend admission (OR, 0.77; 95% CI, 0.68-0.88; P < .001) were negatively associated with the odds of CAS. Conclusions and Relevance: Despite concerns for higher periprocedural complications with CAS in elderly patients, the odds of CAS increased in the post-CREST compared with pre-CREST era in patients older than 70 years, including symptomatic women. PMID- 29204655 TI - Blood Pressure Trajectories in the 20 Years Before Death. AB - Importance: There is mixed evidence that blood pressure (BP) stabilizes or decreases in later life. It is also unclear whether BP trajectories reflect advancing age, proximity to end of life, or selective survival of persons free from hypertension. Objective: To estimate individual patient BP for each of the 20 years before death and identify potential mechanisms that may explain trajectories. Design, Study, and Participants: We analyzed population-based Clinical Practice Research Datalink primary care and linked hospitalization electronic medical records from the United Kingdom, using retrospective cohort approaches with generalized linear mixed-effects modeling. Participants were all available individuals with BP measures over 20 years, yielding 46 634 participants dying aged at least 60 years, from 2010 to 2014. We also compared BP slopes from 10 to 3 years before death for 20 207 participants who died, plus 20 207 birth-year and sex-matched participants surviving longer than 9 years. Main Outcomes and Measures: Clinically recorded individual patient repeated systolic BP (SBP) and diastolic BP (DBP). Results: In 46 634 participants (51.7% female; mean [SD] age at death, 82.4 [9.0] years), SBPs and DBPs peaked 18 to 14 years before death and then decreased progressively. Mean changes in SBP from peak values ranged from -8.5 mm Hg (95% CI, -9.4 to -7.7) for those dying aged 60 to 69 years to -22.0 mm Hg (95% CI, -22.6 to -21.4) for those dying at 90 years or older; overall, 64.0% of individuals had SBP changes of greater than -10 mm Hg. Decreases in BP appeared linear from 10 to 3 years before death, with steeper decreases in the last 2 years of life. Decreases in SBP from 10 to 3 years before death were present in individuals not treated with antihypertensive medications, but mean yearly changes were steepest in patients with hypertension (-1.58; 95% CI, -1.56 to -1.60 mm Hg vs -0.70; 95% CI, -0.65 to -0.76 mm Hg), dementia ( 1.81; 95% CI, -1.77 to -1.87 mm Hg vs -1.41; 95% CI, -1.38 to -1.43 mm Hg), heart failure (-1.66; 95% CI, -1.62 to -1.69 mm Hg vs -1.37; 95% CI, -1.34 to -1.39 mm Hg), and late-life weight loss. Conclusions and Relevance: Mean SBP and DBP decreased for more than a decade before death in patients dying at 60 years and older. These BP decreases are not simply attributable to age, treatment of hypertension, or better survival without hypertension. Late-life BP decreases may have implications for risk estimation, treatment monitoring, and trial design. PMID- 29204656 TI - Readmissions After Revascularization Procedures for Peripheral Arterial Disease: A Nationwide Cohort Study. AB - Background: Limited data suggest high rates of unplanned rehospitalization after endovascular and surgical revascularization for peripheral arterial disease. However, the overall burden of readmissions has not been comprehensively explored. Objective: To evaluate nationwide readmissions after peripheral arterial revascularization for peripheral arterial disease and to assess whether readmission risk varies among hospitals. Design: Retrospective cohort study. Setting: 1085 U.S. acute care hospitals participating in the Nationwide Readmissions Database. Patients: 61 969 unweighted hospitalizations of patients with peripheral arterial disease who had peripheral arterial revascularization and were discharged alive between 1 January and 30 November 2014. Measurements: 30-day readmission rates, causes, and costs of unplanned rehospitalizations after peripheral arterial revascularization; 30-day risk-standardized readmission rates (RSRRs), calculated using hierarchical logistic regression, to assess for heterogeneity of readmission risk between hospitals. Results: Among 61 969 hospitalizations of patients with peripheral arterial disease who were discharged alive after peripheral arterial revascularization, the 30-day nonelective readmission rate was 17.6%. The most common cause of readmission was procedural complications (28.0%), followed by sepsis (8.3%) and complications due to diabetes mellitus (7.5%). Among rehospitalized patients, 21.0% underwent a subsequent peripheral arterial revascularization or lower extremity amputation, 4.6% died, and the median cost of a readmission was $11 013. Thirty-day RSRRs varied from 10.0% to 27.3% (interquartile range, 16.6% to 18.8%). Limitation: Inability to distinguish out-of-hospital deaths after discharge and potential misclassification bias due to use of billing codes to ascertain diagnoses and interventions. Conclusion: More than 1 in 6 patients with peripheral arterial disease who undergo peripheral arterial revascularization have unplanned readmission within 30 days, with high associated mortality risks and costs. Procedure- and patient-related factors were the primary reasons for readmission. Readmission rates varied moderately between institutions after hospital case mix was accounted for, suggesting that differences in hospital quality may only partially account for readmission. Primary Funding Source: Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center. PMID- 29204657 TI - Association Between Physicians' Experiences With Members of Their Social Network and Efforts to Reduce Breast Cancer Screening. PMID- 29204658 TI - An Ode to Intern Year. PMID- 29204659 TI - Bidirectional Associations Between Child Sleep Problems and Internalizing and Externalizing Difficulties From Preschool to Early Adolescence. AB - Importance: Although multiple cross-sectional and longitudinal studies have established that sleep problems and behavioral difficulties are associated in children, the directionality of this association and whether sleep problems are differentially associated with different types of childhood behavioral difficulties are unclear. Understanding these associations will inform the focus and timing of interventions. Objective: To determine whether longitudinal and reciprocal associations exist between child sleep problems and externalizing, internalizing, or both behavioral difficulties. Design, Setting, and Participants: Prospective cohort study using nationally representative data from the first 5 waves (2004, 2006, 2008, 2010, and 2012) of the kindergarten cohort (4983 children aged 4-5 years in 2004) collected for the Longitudinal Study of Australian Children. Associations were evaluated using cross-lagged structural equation model analyses performed from May 25, 2016, to September 20, 2017. Main Outcomes and Measures: Child sleep problems and internalizing and externalizing behavioral difficulties. Sleep problems were defined using parent-reported child sleep problem severity and specific difficulties (ie, difficulty getting to sleep at night, not happy sleeping alone, waking during the night, and restless sleep) on 4 or more nights of the week. Child behavioral difficulties were defined using the parent-reported Strengths and Difficulties Questionnaire for externalizing difficulties (conduct problems and hyperactivity/inattention subscales) and internalizing difficulties (emotional problems subscale). Results: The 4983 children enrolled in 2004 had a mean (SD) age of 4.7 (0.2) years and comprised a similar percentage of boys (2536 [50.9%]) and girls. In 2012, 3956 children (79.4%) aged 12 to 13 years were retained. Significant bidirectional associations were detected between sleep problems and externalizing difficulties during the elementary school transition period, with greater sleep problems associated with later externalizing behavior and vice versa (cross-lagged path coefficient, 0.04 [95% CI, 0.01-0.08] to 0.09 [95% CI, 0.06-0.13]). Although sleep was a significant driver of later internalizing difficulties (coefficient, 0.10 [95% CI, 0.07-0.14] to 0.16 [95% CI, 0.12-0.19]), the reverse association was not significant. In the final model that included all 3 constructs, the associations were attenuated but remained significant over time. Conclusions and Relevance: These results suggest that future studies should investigate whether implementing sleep problem intervention decreases the occurrence of both externalizing and internalizing difficulties. Interventions targeting externalizing, but not internalizing, difficulties may benefit childhood sleep. PMID- 29204660 TI - Association of Age With Risk of Hospitalization for Respiratory Syncytial Virus in Preterm Infants With Chronic Lung Disease. AB - Importance: It is unknown whether the age threshold (<=24 months) for preterm infants with chronic lung disease (CLD) to receive immunoprophylaxis for respiratory syncytial virus (RSV) as currently recommended by American Academy of Pediatrics guidelines correctly identified infants at higher risk for hospitalization for RSV. Objective: To determine the age when the risk of hospitalization for RSV among preterm infants with CLD becomes equivalent to the risk for healthy, 1-month-old term infants who do not qualify for immunoprophylaxis. Design, Setting, and Participants: A retrospective cohort study was conducted of 1 018 593 healthy term infants and 5181 preterm infants with CLD using Medicaid billing records (Medicaid Analytic eXtract files) from January 1, 1999, to December 31, 2010, linked to Florida and Texas birth and death certificates. Exposures: Age-trend discrete time logistic regression models within a survival analysis framework were developed, adjusting for covariates including the use of immunoprophylaxis, to compare the risk of hospitalization of preterm infants (<32 weeks' gestational age) with CLD at 3 through 34 months of age with the risk of hospitalization of term infants (37-41 weeks' gestational age) at 1 month of age. Main Outcomes and Measures: Age at which risk of hospitalization for RSV among preterm infants with CLD equals the risk for healthy term infants at age 1 month. Results: The study cohort included 1 018 593 healthy term infants and 5181 preterm infants with CLD; because patients could reenter the cohort for a second or third season, the total study cohort consisted of 1 880 531 healthy term infant-seasons (926 206 girls and 954 325 boys; mean [SD] age at first season entry, 12.6 [9.6] months) and 8680 CLD infant-seasons (3519 girls and 5161 boys; mean [SD] age at first season entry, 15.1 [9.1] months). Among term infants with siblings, the risk of hospitalization for RSV averaged across all covariate strata was 9.0 (95% CI, 8.4-9.6) per 1000 patient season-months at 1 month of age. The risk of hospitalization for RSV among preterm infants with CLD became similar to that of 1-month-old term infants at an age of 18.5 months (95% CI, 15.6-22.8). Conclusions and Relevance: The age threshold at which the risk of hospitalization for RSV among qualifying preterm infants with CLD approximates that of healthy term infants supports the current American Academy of Pediatrics practice guideline recommending RSV prophylaxis until a maximum of 24 months of age. PMID- 29204661 TI - Informing vs Changing the Practice of Carotid Revascularization. PMID- 29204662 TI - Vasopressors for acute myocardial infarction complicated by cardiogenic shock. AB - Several international evidence-based guidelines reveal the lack of evidence on the treatment of patients with acute myocardial infarction (AMI) complicated by cardiogenic shock (CS) for all recommended therapies. We included 6 studies with 842 eligible patients and one ongoing study. Three different adrenergic agents (norepinephrine, dopamine, epinephrine), vasopressin and the NOS inhibitor tilarginine were compared in 4 different combinations. On the small basis of all available evidence we can state that there is no evidence to use tilarginene, some evidence to avoid dopamine due to increased rates of arrhythmias, but some evidence, which suggests to prefer norepinephrine in comparison to epinephrine as vasopressor. PMID- 29204663 TI - ["Under pressure": massive tongue swelling after cardiac arrest]. PMID- 29204664 TI - [Central and peripheral aspects of noise-induced hearing loss]. AB - Noise is an important socioeconomic problem in industrialized countries. Development of efficient treatment options for the audiological phenomena resulting from noise-induced hearing loss requires in-depth understanding of the underlying damage mechanisms causing peripheral and central nervous changes. Mechanical damage, ischemia and excitotoxicity are mainly responsible for noise induced cell death and biophysical changes in the cochlea. Auditory synaptopathy is an additional consequence. Besides these cochlear pathologies, noise exposure leads to extensive changes within the central auditory pathway. Overstimulation causes early cell loss in the ventral cochlear nucleus just after noise exposure, which is in accordance with enhancement of apoptotic mechanisms within the corresponding timeframe. In contrast to the cell loss in lower auditory structures due to overstimulation, the later significant reduction of cell density in higher auditory structures is due to sensory deprivation. Changes in network homeostasis seem to partially compensate structural losses by modulation of spontaneous activity. However, central nervous processing of auditory information is permanently impaired by the neuroplastic changes. Unfortunately, the various noise-induced peripheral and central pathologies are difficult to treat. New therapeutic approaches are required, particularly for treatment of central nervous processing disorders and auditory synaptopathy, which contribute to audiological phenomena such as tinnitus, hyperacusis and poor speech perception in noise. PMID- 29204665 TI - [Cochlear implants in the social courts]. AB - BACKGROUND: Since the indication for receiving a cochlear implant (CI) has widened (single-sided deafness [SSD], electric acoustic stimulation [EAS], bilateral CI, CI for long-term deafness), more and more patients come into consideration for such a treatment. Hence, disputes increasingly arise between patients and their insurance companies concerning the question of whether surgery and follow-up treatment have to be paid for by statutory health insurance. OBJECTIVE: This work provides an overview of judgments rendered by the German social courts. We investigated whether and in which cases it is advisable for a patient to go to court, and how long the proceedings may take. MATERIALS AND METHODS: We looked for judgments in the two biggest commercial legal databases and in the database of the German social courts, using combinations of the search parameters "Cochlear," "Cochlea," "Implant," and "Implantat." Three verdicts were attained by directly contacting the court; another one was mentioned in an article. The reviewed judgements were issued between 2003 and 2017. RESULTS: A total of 12 judgments were found. The patients won in all but one of the main proceedings. The case that was lost concerned exceptional circumstances. One patient didn't get the desired interim measure, but won in the main proceedings. The proceedings took between 1 year and 8 months, and 9 years and 5 months. CONCLUSION: Despite the amount of time the patient has to invest, taking legal action is worthwhile. The proceedings at the social courts are generally exempt from charges. In most cases, the statutory health insurance is ordered to pay for a CI. PMID- 29204666 TI - Glucerabacter canisensis gen. nov., sp. nov., isolated from dog feces and its effect on the hydrolysis of plant glucosylceramide in the intestine of dogs. AB - A Gram-positive, obligately anaerobic, oval-rod shaped, non-spore-forming, and non-pigmented bacterium, designated strain NATH-2371T (= JCM31739T = DSM105698T), was isolated from dog feces. Comparative 16S rRNA gene sequence analysis revealed that strain NATH-2371T belongs to Clostridium cluster XIVa, and the closest strains were Coprococcus comes ATCC 27758T (94.8% 16S rRNA gene sequence similarity) and Clostridium nexile DSM 1787T (94.0%). Strain NATH-2371T produced acetate, formate, and ethanol from glucose. Predominant cellular fatty acids are C16:0 and C16:0 DMA. On the basis of the phenotypic and genotypic differences, strain NATH-2371T represents a novel species in a new genus of the family Lachnospiraceae, for which the name Glucerabacter canisensis gen. nov., sp. nov., is proposed. This strain was found to efficiently hydrolyze plant glucosylceramide (GluCer). The abundance of strain NATH-2371T in dog feces was higher in young dogs than in old dogs. Incubation of dog fecal bacteria showed that GluCer-hydrolyzing activity decreased with the age of dogs. The cell number of strain NATH-2371T in dog feces appeared to be correlated with GluCer hydrolysis. Thus, this bacterium is likely to play a major role in GluCer hydrolysis in the dog intestine. PMID- 29204667 TI - Correction to: Soluble CD163, adiponectin, C-reactive protein and progression of dysglycaemia in individuals at high risk of type 2 diabetes mellitus: the ADDITION-PRO cohort. AB - The authors have discovered a coding error in the statistical analysis syntax file used for the mixed-effect model analyses in this paper. The error has led to differences (first decimal) in the estimates for the main results. PMID- 29204668 TI - Modification of the Surgical Strategy for the Dissection of the Recurrent Laryngeal Nerve Using Continuous Intraoperative Nerve Monitoring. PMID- 29204669 TI - [The use of platelet aggregation inhibitors in the perioperative period]. AB - Every year 16 million operations are performed in Germany. Many patients take platelet aggregation inhibitors as a primary or secondary prevention to reduce the risk of cardiovascular events. Especially during the perioperative period, this risk reduction is relevant due to an increased risk for cardiac events (in approximately 6.2% of operations). As a result of a presumed increased risk of bleeding, platelet aggregation inhibitors are often paused perioperatively. Thus, doctors must decide on a risk-adapted basis whether the medication can be continued perioperatively and, if so, with what risks. If acetylsalicylic acid (ASA) treatment is solely used as primary prevention it can be paused during the perioperative period, whereas ASA treatment for secondary prevention should only be paused for operations within narrow confines. When pausing ASA, a sufficient time interval should be maintained before the operation. Furthermore, the ASA withdrawal syndrome with an increased predisposition for clotting is an important phenomenon to be considered. Additionally, the perioperative handling of dual platelet aggregation inhibition needed after coronary stent implantation should be addressed. Due to an increased risk for in-stent thrombosis, dual platelet aggregation inhibition is only reluctantly paused. Emergency surgery must, if not otherwise possible, be carried out even if the dual platelet aggregation inhibition is not paused; however, if the risk for intraoperative bleeding is too high and the risk of an in-stent thrombosis is lower in comparison, P2Y12 inhibitors (e.g. clopidogrel) should be paused and the operation carried out solely with ASA therapy. PMID- 29204671 TI - Adjuvant therapy in acute heart failure. PMID- 29204670 TI - Polymyxin B-immobilized hemoperfusion and mortality in critically ill adult patients with sepsis/septic shock: a systematic review with meta-analysis and trial sequential analysis. AB - PURPOSE: Polymyxin B-immobilized hemoperfusion (PMX-HP) is an adjuvant therapy for sepsis or septic shock that clears circulating endotoxin. Prior trials have shown that PMX-HP improves surrogate endpoints. We aimed to conduct an evidence synthesis to evaluate the efficacy and safety of PMX-HP in critically ill adult patients with sepsis or septic shock. METHODS: We searched for randomized controlled trials (RCTs) in MEDLINE, EMBASE, the Cochrane Library, the Health Technology Assessment Database, CINAHL, "Igaku Chuo Zasshi", the National Institute of Health Clinical Trials Register, the World Health Organization International Clinical Trials Registry Platform, the University Hospital Medical Information Network Clinical Trials Registry, the reference lists of retrieved articles, and publications by manufacturers of PMX-HP. The primary outcomes were 28-day all-cause mortality, the number of patients with at least one serious adverse event, and organ dysfunction scores. The GRADE methodology for the certainty of evidence was used. RESULTS: Six trials (857 participants; weighted mean age 62.5 years) proved eligible. Patient-oriented primary outcomes were assessed. The pooled risk ratio (RR) for 28-day mortality associated with PMX-HP was 1.03 [95% confidence interval (CI) 0.78-1.36; I 2 = 25%; n = 797]. The pooled RR for adverse events was 2.17 (95% CI 0.68-6.94; I 2 = 0%; n = 717). Organ dysfunction scores over 24-72 h after PMX-HP treatment did not change significantly (standardized mean difference - 0.26; 95% CI - 0.64 to 0.12; I 2 = 78%; n = 797). The certainty of the body of evidence was judged as low for both benefit and harm using the GRADE methodology. CONCLUSIONS: There is currently insufficient evidence to support the routine use of PMX-HP to treat patients with sepsis or septic shock. REGISTRATION: PROSPERO International Prospective Register of Systematic Reviews (CRD42016038356). PMID- 29204672 TI - Bone Loss in Rheumatoid Arthritis: Basic Mechanisms and Clinical Implications. AB - Patients with rheumatoid arthritis (RA) have historically developed progressive damage of articular bone and cartilage, which correlates with disability over time. In addition, these patients are prone to periarticular and systemic bone loss, carrying additional morbidity. In contrast to what is seen in many other rheumatic diseases, the impact of inflammation on bone in RA is uniquely destructive. Loss of articular bone (erosions) and periarticular bone (demineralization) is a result of excessive bone resorption and markedly limited bone formation. There has been tremendous progress in preventing net bone loss in RA with the advent of disease-modifying agents, including biologic agents and small molecules, that both limit inflammation and may have a direct impact on the prevention of cytokine- and antibody-driven osteoclastogenesis. However, repair of existing bone erosions, although feasible, is observed infrequently. Lack of repair is a consequence of suppression of osteoblast function and bone formation by some of the same mechanisms that promote osteoclastogenesis and bone resorption. As new agents are introduced to control inflammation in RA, and novel mechanisms to target synovitis are identified, it may be possible in the future to fully repair damaged bone. PMID- 29204673 TI - The Role of Autoantibodies in Bone Metabolism and Bone Loss. AB - Many autoimmune diseases are associated with deranged bone metabolism. The resulting localized or systemic bone loss can compromise the quality of life of patients by causing local bone deformities or fragility fractures. There is emerging evidence that antibodies have a direct impact on key players of bone homeostasis, in particular osteoclasts. Clinical and pre-clinical studies provide insight into the function of autoantibodies related to Rheumatoid Arthritis (rheumatoid factor, anti-citrullinated protein antibodies, and anti-carbamylated protein antibodies) and their inflammation-independent interaction with bone cells. Furthermore, we summarize the current knowledge about neutralizing antibodies to the antiresorptive protein osteoprotegerin, which have been described in patients with Coeliac Disease, Rheumatoid Arthritis, and Spondyloarthritis. PMID- 29204674 TI - Black Truffle Harvesting in Spanish Forests: Trends, Current Policies and Practices, and Implications on its Sustainability. AB - The European black truffle is a mycorrhizal fungus native to Spanish Mediterranean forests. In most Spanish regions it was originally commercially harvested in the second half of the 20th century. Experts agree that wild truffle yields suffered a sharp decline during the 1970s and 1980s. However, official statistics for Spanish harvest are scarce and seemingly conflicting, and little attention has been paid to the regime for the exploitation of truffle-producing forests and its implications on the sustainability of this resource. Trends in harvest from 1969 to 2013 and current harvesting practices were analyzed as a case study, taking into account that Spain is a major truffle producer worldwide, but at the same time truffles have only recently been exploited. The available statistical sources, which include an increasing proportion of cultivated truffles since the mid-1990s, were explored, with estimates from Truffle Harvesters Federation showing higher consistency. Statistical sources were then compared with proxies for wild harvest (rents from truffle leases in public forests) to corroborate time trends in wild harvesting. Results suggest that black truffle production is recovering in recent years thanks to plantations, whereas wild harvest is still declining. The implications of Spanish legal and institutional framework on sustainability of wild truffle use are reviewed. In the current scenario, the decline of wild harvest is likely to continue and eventually make commercial harvesting economically unattractive, thus aggravating sustainability issues. Strengthening of property rights, rationalization of harvesting pressure, forest planning and involvement of public stakeholders are proposed as corrective measures. PMID- 29204676 TI - Surgical management in acute diverticulitis and its association with multi detector CT, modified Hinchey classification, and clinical parameters. AB - PURPOSE: To assess whether CT findings, clinical parameters, and modified Hinchey classification are predictive of management outcomes of patients with acute diverticulitis. MATERIALS AND METHODS: Data were accrued between January 2014 and December 2015. A total of 301 adult subjects were identified from radiology reports, of which six who did not met the inclusion criteria were excluded, thus yielding 295 subjects. Subjects were 43.1% (n = 127) male and 56.9% female (n = 168), with mean age 51.9 years (range 18-90). Two independent abdominal radiologists reviewed all scans; imaging features and a modified Hinchey classification were scored. Descriptive statistics compared the relationships between imaging findings, clinical parameters obtained from medical record review, and modified Hinchey classification with management outcomes. RESULTS: CT findings associated with surgical management include the presence of a pericolonic fluid collection (36.8% vs. 8.2%, P = 0.0001), colonic fistula (13.2% vs. 0.4%, P = 0.0002), extraluminal air (26.4% vs. 9.3%, P = 0.0052), bowel obstruction (5.2% vs. 0.0%, P = 0.0162), and a modified Hinchey score of Ib or higher (55.3% vs. 11.7%, P = 0.0001). Slightly lower systolic blood pressure was also associated with operative management (137.2 mmHg vs. 128.2 mmHg, P = 0.0220). CONCLUSION: Specific CT imaging features and modified Hinchey classification are associated with subsequent surgical management in patients with acute diverticulitis. PMID- 29204675 TI - Resting Stage of Plankton Diversity from Singapore Coastal Water: Implications for Harmful Algae Blooms and Coastal Management. AB - Resting strategies of planktonic organisms are important for the ecological processes of coastal waters and their impacts should be taken into consideration in management of water bodies used by multiple industries. We combined different approaches to evaluate the importance of resting stages in Singapore coastal waters. We used molecular approaches to improve the knowledge on Singapore biodiversity, we sampled and extracted cysts from sediments to evaluate the density of resting stages in Johor Strait, and we compared systematically information on Singapore planktonic biodiversity to existing published information on resting stages from these reported organisms. This is the first study evaluating the importance of resting stages in Singapore waters. Above 120 species reported in Singapore are known to produce resting stages though no previous work has ever been done to evaluate the importance of these strategies in these waters. The results from the resting stage survey confirmed 0.66 to 5.34 cyst g-1 dry weight sediment were present in the Johor Strait suggesting that cysts may be flushed by tidal currents into and out of the strait regularly. This also suggest that the blooms occurring in Singapore are likely due to secondary growth of Harmful Algae Bloom species in the water rather than from direct germination of cysts from sediment. Finally, we discuss the importance of these resting eggs for three main national industries in Singapore (shipping, marine aquaculture and provision of drinking water through seawater desalination). We argue that this study will serve as a baseline for some of the future management of Singapore waters. PMID- 29204677 TI - The predictive value of quantitative DCE metrics for immediate therapeutic response of high-intensity focused ultrasound ablation (HIFU) of symptomatic uterine fibroids. AB - PURPOSE: The aim of this study was to investigate the value of quantitative DCE MRI parameters for predicting the immediate non-perfused volume ratio (NPVR) of HIFU therapy in the treatment of symptomatic uterine fibroids. MATERIALS AND METHODS: A total of 78 symptomatic uterine fibroids in 65 female patients were treated with US-HIFU therapy. All patients underwent conventional MRI and DCE-MRI scans 1 day before and 3 days after HIFU treatment. Permeability parameters K trans, K ep, V e, and V p and T1 perfusion parameters BF and BV of pretreatment were measured as a baseline, while NPVR was used to assess immediate ablation efficiency. Data were assigned to NPVR ? 70% and NPVR < 70% groups. Then, the predictive performances of different parameters for ablation efficacy were studied to seek the optimal cut-off value, and the length of time to calculate the variable parameters in each case was recorded. RESULTS: (1) It was observed that the pretreatment K trans, K ep, V e, and BF values of the NPVR ? 70% group were significantly lower compared to the NPVR < 70% group (p < 0.05). (2) The immediate NPVR was negatively correlated with the K trans, BF, and BV values before HIFU treatment (r = - 0.561, - 0.712, and - 0.528, respectively, p < 0.05 for all). (3) The AUCs of pretreatment K trans, BF, BV values, and K trans combined with BF used to predict the immediate NPVR were 0.810, 0.909, 0.795, and 0.922, respectively (p < 0.05 for all). (4) The mean time to calculate the variable parameters in each case was 7.5 min. CONCLUSION: Higher K trans, BF, and BV values at baseline DCE-MRI suggested a poor ablation efficacy of HIFU therapy for symptomatic uterine fibroids, while the pretreatment DCE-MRI parameters could be useful biomarkers for predicting the ablation efficacy in select cases. The software used to calculate DCE-MRI parameters was simpler, quicker, and easier to incorporate into clinical practice. PMID- 29204678 TI - Morphological observation and CBCT of the bony canal structure of the groove and the location of blood vessels and nerves in the palatine of elderly human cadavers. AB - PURPOSE: The greater and lesser palatine nerves and vessels supply the hard and soft palates, and the roots of these vessels and nerves run through a bony structure. However, the arrangement of blood vessels in the maxilla requires attention during clinical treatments, but detailed morphological information about changes in the greater and lesser palatine arteries and nerves during aging is unavailable. We therefore need detailed investigations of the morphology of the donor cadaver palatine using cone-beam computed tomography (CBCT) and macroscopic observations. METHODS: We investigated 72 donor cadavers using macroscopic segmentation and CBCT. The results' analysis examined differences in skull measurement parameters and differences between dentate and edentulous cases. RESULTS: The greater palatine artery and nerve showed different macroscopic arrangements in dentate and edentulous cadavers. We also classified three types of bony structures of the nerve and vessel roots in the molar regions of the palatine using CBCT images: the shallow groove, deep groove, and flat groove. The deep groove is the deepest of the three and is remarkable in edentulous elderly cadavers. CONCLUSION: This study of macroscopic and CBCT data provides information useful for planning dental implant surgeries and autogenous bone harvesting. PMID- 29204679 TI - Gestational exposure to inorganic arsenic (iAs3+) alters glutamate disposition in the mouse hippocampus and ionotropic glutamate receptor expression leading to memory impairment. AB - Early life exposure to environmental pollutants and toxic chemicals has been linked to learning and behavioral alterations in children. iAs exposure is associated with different types neurological disorders such as memory and learning impairment. iAs is methylated in the brain by the arsenic III methyltransferase in a process that requires glutathione (GSH). The xCT antiporter cell membrane transporter participates in the influx of cystine for GSH synthesis in exchange for glutamate in a 1:1 ratio. In CD-1 mice gestationally exposed to 20 ppm of sodium arsenite in drinking water, we have previously observed up-regulation of xCT in the male mouse hippocampus which caused glutamatergic synapse alterations affecting learning and memory processes. Here, we used the same gestational iAs exposure model to investigate whether the up-regulation of xCT and down-regulation of GLT-1 transporters were associated with higher levels of extracellular glutamate and changes in the expression of the alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) glutamate receptor, responsible for excitatory fast synaptic transmission. The induction of LTP in the perforant-dentate gyrus pathway (PP-DG) of the hippocampus was also studied, as well as learning and memory formation using the water maze test. Changes in GSH levels were also tested in the hippocampus of animals exposed to iAs. Results showed increased GSH synthesis (p < 0.05), associated with significantly higher extracellular glutamate levels in iAs exposed mice. Exposure was also significantly associated with AMPA subunits down-regulation, deficient LTP induction, and lower excitability of the PP-DG pathway. In addition, animals showed deficient learning and memory in the Morris Water Maze test. PMID- 29204680 TI - Association between polymorphism of GSTP1, GSTT1, GSTM1 and CYP2E1 genes and susceptibility to benzene-induced hematotoxicity. AB - Occupational exposure to benzene has been associated with leukemia, anemia, leukopenia, and thrombocytopenia. Genetic susceptibility to benzene toxicity in humans may be related to variations in benzene metabolizing genes. The main objective of this study was to ascertain whether polymorphism of GSTP1, GSTM1, GSTT1 and CYP2E1 genes might influence susceptibility to the adverse effects of benzene among employees of a petrochemical plant. In this cross-sectional study, 124 employees of a petrochemical plant who had been occupationally exposed to benzene and had one or more abnormal hematological parameter (cases) and 184 subjects with a similar exposure scenario, free from any abnormal hematological parameters (referent) were studied. Atmospheric concentrations of benzene were measured and GSTM1 and GSTT1 genotypes were evaluated using the multiplex polymerase chain reaction (PCR) technique. Additionally, GSTP1 and CYP2E1 genotypes were determined by PCR- restriction fragment length polymorphism (PCR RFLP). The frequency of null GSTT1 genotype in cases was significantly higher than that of referent group (32.3 vs. 18.5%, OR 2.1, 95% CI 1.23-3.56, p = 0.004). The mean value of platelets in subjects with null GSTT1 genotype was significantly lower than that of individuals with positive GSTT1 genotype (p = 0.015). Conversely, the mean value of leukocytes was significantly higher in subjects with null GSTM1 genotype as compared to those with positive GSTM1 genotype (p = 0.026). Logistic regression analysis showed that, subjects with null GSTT1 genotype had a significantly higher risk for hematological disorders, as compared to those with positive GSTT1 genotype (OR 2.1, 95% CI 1.23-3.56). Moreover, subjects with both null GSTT1 and GSTM1 genotypes had a significantly higher risk for hematological disorders as compared to subjects with positive GSTT1 and GSTM1 genotypes (OR 2.35, 95% CI 1.14-4.8). The results of this study showed that, individuals carrying null GSTT1 or both null STT1 and GSTM1 genotypes had a higher risk and were more susceptible to benzene-induced hematological disorders. PMID- 29204682 TI - Pharmacist-led intervention in the multidisciplinary team approach optimizes heart failure medication. AB - We evaluated the impact of pharmacist-led heart failure (HF) drug recommendations during hospitalization for hospitalized patients with HF. Hospitalized patients with HF were retrospectively reviewed. Patients were hospitalized before (n = 208, non-intervention group) or after (n = 170, intervention group) the launch of the HF multidisciplinary team (HFMDT) approach with pharmacist-led HF medication optimization. There were no significant group differences in patient background characteristics at admission. Patients with HF with reduced ejection fraction who were not on beta blockers or angiotensin-converting enzyme inhibitor/angiotensin receptor blockers (ACE-I/ARB) at admission were significantly more likely to be on beta blockers at the time of discharge in the intervention group (73.3 vs 96.3%, P = 0.027) compared to those in non-intervention group; however, the change in ACE-I/ARB prescriptions was not significant (53.3 vs 63.3%, P = 0.601). The proportion of patients on any drug with recommendations against its use in patients with HF did not change from admission to discharge in the non intervention group (21.2 vs. 20.2%, P = 0.855), but was significantly reduced in the intervention group (22.9 vs. 12.9%, P = 0.005). There were no group differences in the in-hospital all-cause mortality (non-intervention, 3.4%; intervention, 2.4%; P = 0.761) or length of hospital stay (median: non intervention, 13 days; intervention, 14 days; P = 0.508). Pharmacist-led HF drug recommendations during hospitalization as part of a HFMDT approach for hospitalized patients with HF can increase beta blocker prescriptions and decrease non-preferred drug prescriptions. PMID- 29204683 TI - Wide difference in biologics usage and expenditure for the treatment of patients with rheumatoid arthritis in each prefecture in Japan analyzed using "National Database of Health Insurance Claims and Specific Health Checkups of Japan". AB - To analyze the biologics usage and expenditure for the treatment of patients with rheumatoid arthritis (RA) in each prefecture throughout Japan using the national open database, the Ministry of Health, Labour and Welfare of Japan disclosed; in Oct 2016, the data of the top 30 most-frequently prescribed drugs during a 1-year period from April 2014 to March 2015 in each prefecture in Japan, along with the patients' age and sex. Seldom-used drugs were excluded. We picked up only biologics for the present study. The total expenditure on biologics used in each prefecture was correlated with the population thereof. However, there was a big difference, up to ~ twofold, in the average expenditure used for an RA patient: highest in Toyama and lowest in Wakayama. There was also a big difference, ~ 4.5 fold, in the number of rheumatologists/1000 RA patients, highest in Kyoto and lowest in Aomori. The average expenditure used for an RA patient was correlated with the number of rheumatologists in the western part of Japan. Etanercept seemed to be used most frequently to Japanese RA patients followed closely by infliximab. Abatacept was used more frequently to the elderly than other biologics. There was a big difference in the number of rheumatologists and expenditure on biologics for the treatment of an RA patient among prefectures in fiscal 2014. Factors that brought this unevenness need to be scrutinized for universal implementation of good RA care throughout Japan, where there are uniform health insurance system and free access to rheumatologists. PMID- 29204684 TI - DNA methylation of the CDC2L1 gene promoter region decreases the expression of the CDK11p58 protein and reduces apoptosis in keloid fibroblasts. AB - The excessive growth of fibroblasts in keloid is closely related to the status of gene methylation. The aim of this project was to study whether keloid development is related to DNA methylation in the CDC2L1 gene promoter region. DNA methylation of the promoter of this gene was analyzed by bisulfite sequencing and verified by DNA methylation-specific polymerase chain reaction. The results showed that the DNA methylation rate of CpG islands in the CDC2L1 gene promoter region was 50.0% (12/24) in patient keloid tissues and 0% (0/24) in normal skin-tissues from healthy controls. Patient keloid tissues with (n = 12) DNA methylation of the CDC2L1 gene promoter showed higher growth rates than those without (n = 12). Samples from keloid tissues with DNA methylation of the CDC2L1 gene promoter region had dramatically lower levels of CDK11p58 protein than samples from keloid tissues without DNA methylation of the CDC2L1 gene promoter region or healthy normal skin-tissues. In the fibroblasts with DNA methylation of the CDC2L1 gene promoter region from keloid tissues treated with DNA methyl-transferase inhibitor 5 aza 2'-deoxycytidine (5-aza-dC) for 48 h, CDK11p58 levels in the fibroblasts were significantly increased in a dose-dependent manner; the apoptotic rate of the fibroblasts was significantly higher in the treated group than in the non treated group. This study revealed that DNA methylation exists in the CDC2L1 gene promoter region in keloid tissue fibroblasts. DNA methylation of the CDC2L1 gene promoter region dramatically inhibits the expression of CDK11p58 protein in keloid tissues. A specific demethylation drug, 5-aza-dC, suppressed DNA methylation of the promoter region, which increased the expression of CDK11p58. The elevated expression of CDK11p58 resulted in increased fibroblast apoptosis, thus restraining the development of keloids. PMID- 29204681 TI - [S1 guidelines Diagnostics and treatment of ANCA-associated vasculitis]. PMID- 29204685 TI - Methylene Blue Protects the Isolated Rat Lungs from Ischemia-Reperfusion Injury by Attenuating Mitochondrial Oxidative Damage. AB - INTRODUCTION: Impaired mitochondrial function is a key factor attributing to the lung ischemia reperfusion injury (LIRI). Methylene blue (MB) has been reported to attenuate brain and renal ischemia-reperfusion injury. We hypothesized that MB also could have a protective effect against LIRI by preventing mitochondrial oxidative damage. METHODS: Isolated rat lungs were assigned to the following four groups (n = 6): a sham group: perfusion for 105 min without ischemia; I/R group: shutoff of perfusion and ventilation for 45 min followed by reperfusion for 60 min; and I/R + MB group and I/R + glutathione (GSH) group: 2 mg/kg MB or 4 MUM glutathione were intraperitoneally administered for 2 h, and followed by 45 min of ischemia and 60 min of reperfusion. RESULTS: MB lessened pulmonary dysfunction and severe histological injury induced by ischemia-reperfusion injury. MB reduced the production of reactive oxygen species and malondialdehyde and enhanced the activity of superoxide dismutase. MB also suppressed the opening of the mitochondrial permeability transition pore and partly preserved mitochondrial membrane potential. Moreover, MB inhibited the release of cytochrome c from the mitochondria into the cytosol and decreased apoptosis. Additionally, MB downregulated the mRNA expression levels of pro-inflammatory cytokines (TNF alpha, IL-1beta, IL-6, and IL-18). CONCLUSION: MB protects the isolated rat lungs against ischemia-reperfusion injury by attenuating mitochondrial damage. PMID- 29204687 TI - A physiologically based pharmacokinetic (PBPK) parent-metabolite model of the chemotherapeutic zoptarelin doxorubicin-integration of in vitro results, Phase I and Phase II data and model application for drug-drug interaction potential analysis. AB - PURPOSE: Zoptarelin doxorubicin is a fusion molecule of the chemotherapeutic doxorubicin and a luteinizing hormone-releasing hormone receptor (LHRHR) agonist, designed for drug targeting to LHRHR positive tumors. The aim of this study was to establish a physiologically based pharmacokinetic (PBPK) parent-metabolite model of zoptarelin doxorubicin and to apply it for drug-drug interaction (DDI) potential analysis. METHODS: The PBPK model was built in a two-step procedure. First, a model for doxorubicin was developed, using clinical data of a doxorubicin study arm. Second, a parent-metabolite model for zoptarelin doxorubicin was built, using clinical data of three different zoptarelin doxorubicin studies with a dosing range of 10-267 mg/m2, integrating the established doxorubicin model. DDI parameters determined in vitro were implemented to predict the impact of zoptarelin doxorubicin on possible victim drugs. RESULTS: In vitro, zoptarelin doxorubicin inhibits the drug transporters organic anion-transporting polypeptide 1B3 (OATP1B3) and organic cation transporter 2 (OCT2). The model was applied to evaluate the in vivo inhibition of these transporters in a generic manner, predicting worst-case scenario decreases of 0.5% for OATP1B3 and of 2.5% for OCT2 transport rates. Specific DDI simulations using PBPK models of simvastatin (OATP1B3 substrate) and metformin (OCT2 substrate) predict no significant changes of the plasma concentrations of these two victim drugs during co-administration. CONCLUSIONS: The first whole body PBPK model of zoptarelin doxorubicin and its active metabolite doxorubicin has been successfully established. Zoptarelin doxorubicin shows no potential for DDIs via OATP1B3 and OCT2. PMID- 29204686 TI - Weather conditions influence the number of psychiatric emergency room patients. AB - The specific impact of weather factors on psychiatric disorders has been investigated only in few studies with inconsistent results. We hypothesized that meteorological conditions influence the number of cases presenting in a psychiatric emergency room as a measure of mental health conditions. We analyzed the number of patients consulting the emergency room (ER) of a psychiatric hospital in Berlin, Germany, between January 1, 2008, and December 31, 2014. A total of N = 22,672 cases were treated in the ER over the study period. Meteorological data were obtained from a publicly available data base. Due to collinearity among the meteorological variables, we performed a principal component (PC) analysis. Association of PCs with the daily number of patients was analyzed with autoregressive integrated moving average model. Delayed effects were investigated using Granger causal modeling. Daily number of patients in the ER was significantly higher in spring and summer compared to fall and winter (p < 0.001). Three PCs explained 76.8% percent of the variance with PC1 loading mostly on temperature, PC2 on cloudiness and low pressure, and PC3 on windiness. PC1 and PC2 showed strong association with number of patients in the emergency room (p < 0.010) indicating higher patient numbers on warmer and on cloudy days. Further, PC1, PC2, and PC3 predicted the number of patients presenting in the emergency room for up to 7 days (p < 0.050). A secondary analysis revealed that the effect of temperature on number of patients was mostly due to lower patient numbers on cold days. Although replication of our findings is required, our results suggest that weather influences the number of psychiatric patients consulting the emergency room. In particular, our data indicate lower patient numbers during very cold temperatures. PMID- 29204688 TI - Pharmacokinetics of recombinant asparaginase in children with acute lymphoblastic leukemia. AB - PURPOSE: The objective of this study was to assess the pharmacokinetics of recombinant asparaginase (rASNase, Spectrila(r)) in children with acute lymphoblastic leukemia using a population pharmacokinetic approach in order to explore potential dosing recommendations. METHODS: Data on serum asparaginase activities of 124 children from three clinical studies were included in the analysis, covering an age range from 3 days to 17 years. Most patients received 5000 U/m2 rASNase intravenously every 3 days. The non-linear mixed effects modelling software (NONMEM(r)) was utilized to identify drivers of rASNase pharmacokinetics in children. Different dose adjustments were simulated for their ability to increase rASNase trough activities in children who do not reach the threshold of 100 U/L. RESULTS: A two-compartment model with allometric weight scaling (0.75 on clearance [CL] and inter-compartmental clearance [Q] and 1 on central [V 1] and peripheral [V 2] volume of distribution) was the best model to describe the pharmacokinetics of rASNase. PK parameters for the median child (19.5 kg) were: CL = 0.0592 L/h, V 1 = 1.18 L, Q = 0.307 L/h, V 2 = 0.316 L. Organ functions, such as liver or kidney function and laboratory values, such as fibrinogen or antithrombin III levels, showed no influence on rASNase pharmacokinetics. In simulations, changing the administration interval from 72 to 48 h was appropriate to maintain rASNase activities above the therapeutic threshold, in patients with activities below 100 U/L 72 h after the first dose. CONCLUSIONS: Drug monitoring is recommended to identify patients with insufficient ASNase trough activities in serum and to modify the treatment schedule, if necessary. Shortening of the treatment interval might be preferable over increasing the rASNase dose. PMID- 29204689 TI - Comparison between over-glasses patching and adhesive patching for children with moderate amblyopia: a prospective randomized clinical trial. AB - PURPOSE: To investigate efficacy of over-glasses patching treatment for amblyopic children using visual function improvement and Amblyopia Treatment Index (ATI) changes. METHODS: In a randomized multi-center controlled clinical trial, 107 children aged 3-7 years with moderate amblyopia (visual acuity in the range of 20/40 to 20/100) were included to receive treatment with either an adhesive skin patch or a fabric over-glasses patch. The patients were prescribed 2 h of patching per day for the sound eye. Best-corrected visual acuity (BCVA) was investigated and ATI questionnaires were collected from parents at 5 weeks and 17 weeks after the initiation of treatment. ATI identifies barriers and problems associated with amblyopia treatment. We compared the changes of visual acuity of amblyopic eyes and ATI scores in two groups. RESULTS: At 17 weeks, the mean visual acuity of the amblyopic eye using Snellen chart improved 3.2 lines in the adhesive patching group and 2.7 lines for an over-glasses patching method that fit over eyeglasses (p = 0.345). A similar proportion of subjects in each group had improvement of >= 2 lines (adhesive patching group 67% vs over-glasses patching group 67%, p = 0.372). There was also no difference in treatment burden in each group as measured with the Amblyopia Treatment Index. The only item to demonstrate a significant difference between groups was that related to "Treatment makes the eye or eyelids red" (mean 4.0 +/- 1.1 vs 3.0 +/- 1.0 at 17 weeks, p = 0.001, for adhesive vs over-glasses patch). CONCLUSIONS: Over-glasses patching treatment is a useful option for amblyopia treatment when the patients suffer from adverse effects of using adhesive skin patching. PMID- 29204691 TI - First clinical experience of a dedicated irrigated-tip radiofrequency ablation catheter for the ablation of cavotricuspid isthmus-dependent atrial flutter. AB - BACKGROUND: Different types of irrigated-tip ablation catheters are available for ablation of atrial flutter (AFL). The aim of this study was to compare an established with a novel dedicated Gold irrigated-tip catheter for ablation of AFL. METHODS AND RESULTS: We compared consecutive patients undergoing ablation of AFL using a standard 3.5 mm irrigated-tip platinum-iridium (Pt-Ir) catheter (Thermocool, TC-group) and a 3.5 mm irrigated gold-tip catheter (Gold-group) specifically designed for cavotricuspid isthmus ablation (CTI). The primary endpoint was acute efficacy (net RF time) to achieve block across the CTI. Secondary endpoints included procedure time, fluoroscopy duration, complications, and recurrence of AFL.153 patients (age 68 +/- 11 years, 74% male) were included. Net RF time to achieve CTI block was not different between the TC-group (793 +/- 503 s) and the Gold-group (706 +/- 422 s; p = 0.406). Total procedure time was not significantly different between the TC-group (70 +/- 26 min) and the Gold group (70 +/- 27 min; p = 0.769). A significant difference between the groups was identified for the fluoroscopy duration (TC-group: 934 +/- 537 s, Gold-group: 596 +/- 362 s, p < 0.001). There were no major complications observed in the groups. Recurrence of AFL occurred in 3 of 66 (5%) in the TC-group and in 2 of 87 (2%) in the Gold-group (p = 0.652). CONCLUSIONS: In conclusion, acute and chronic efficacy of the irrigated Pt-Ir and gold-tip catheters were comparable. However, the dedicated catheter design was associated with decreased fluoroscopy duration. PMID- 29204690 TI - Fruit and vegetable intake and pre-diabetes: a case-control study. AB - PURPOSE: Few studies have evaluated the association of fruit and vegetable (FV) intake and pre-diabetes. However, these studies are very limited and incomplete. Therefore, the aim of our study was to compare FV consumption and their subgroups between pre-diabetic and control subjects. METHODS: This case-control study included 300 individuals, 150 subjects with normal fasting blood glucose (FBG), and 150 pre-diabetic subjects who were matched for sex and age. We collected the participants' anthropometric and physical activity data and measured their blood glucose level. A 168 items semi-quantitative food frequency questionnaire (FFQ) was used for estimating the FV intake. RESULTS: After adjustment for confounding variables, participants in the lower quartiles of FV and total fruit intake were more likely to experience pre-diabetes compared with those in the higher quartiles (p trend < 0.007). In addition, cruciferous vegetables, other vegetables, and berries were inversely associated with pre-diabetes (p < 0.05), although a distinct dose-response relationship was not found. Unexpectedly, higher intake of dark yellow vegetables was significantly associated with a higher chance of pre-diabetes (p trend = 0.006). Other vegetable and fruit subgroups did not show any significant relationship with this disorder. CONCLUSION: Our findings suggest that higher intake of total FV and total fruits might be associated with lower odds ratio of pre-diabetes. PMID- 29204692 TI - Flight-induced transgenerational maternal effects influence butterfly offspring performance during times of drought. AB - Maternal condition can generate resource-related maternal effects through differential egg provisioning that can negatively affect offspring performance especially when offspring growth occurs in stressful or sub-optimal environments. Using the Speckled Wood butterfly, Pararge aegeria (L.) we tested the hypothesis that repeated periods of intensive flight during female oviposition affects egg provisioning and reduces offspring performance when larval development occurs under stressful conditions on drought stressed host plants. We investigated whether (after controlling for egg size) maternal age and flight treatment resulted in changes in egg provisioning and whether this contributed to variation in offspring traits across life stages. Age-related changes in maternal condition were found to generate resource-related maternal effects that influenced offspring traits across all life stages. Flight-induced changes in maternal egg provisioning were found to have direct consequences for offspring development in the egg and larval stages. There were significant interactive effects between maternal age and flight on larval development and growth. Compared to offspring from forced flight mothers, offspring from control (no forced flight) mothers that hatched from eggs laid early in the oviposition period (i.e. by younger mothers) had shorter larval development times and heavier pupal masses, suggesting that offspring from mothers in relatively good condition may be able to buffer some of the costs associated with growth on drought stressed host plants. Our multi-factor study demonstrates the importance of considering the various, and often interacting, mechanisms by which maternal effects may influence offspring performance in stressful environments. PMID- 29204693 TI - Intensive land use drives small-scale homogenization of plant- and leafhopper communities and promotes generalists. AB - The current biodiversity decline through anthropogenic land-use not only involves local species losses, but also homogenization of communities, with a few generalist species benefitting most from human activities. Most studies assessed community heterogeneity (beta-diversity) on larger scales by comparing different sites, but little is known about impacts on beta-diversity within each site, which is relevant for understanding variation in the level of alpha-diversity, the small-scale distribution of species and associated habitat heterogeneity. To obtain our dataset with 36,899 individuals out of 117 different plant- and leafhopper (Auchenorrhyncha) species, we sampled communities of 140 managed grassland sites across Germany by quantitative vacuum suction of five 1 m2 plots on each site. Sites differed in land-use intensity as characterized by intensity of fertilization, mowing and grazing. Our results demonstrate a significant within-site homogenization of plant- and leafhopper communities with increasing land-use intensity. Correspondingly, density (- 78%) and gamma-diversity (- 35%) declined, particularly with fertilization and mowing intensity. More than 34% of plant- and leafhopper species were significant losers and only 6% were winners of high land-use intensity, with abundant and widespread species being less affected. Increasing land-use intensity adversely affected dietary specialists and promoted generalist species. Our study emphasizes considerable, multifaceted effects of land-use intensification on species loss, with a few dominant generalists winning, and an emerging trend towards more homogenized assemblages. By demonstrating homogenization for the first time within sites, our study highlights that anthropogenic influences on biodiversity even occur on small scales. PMID- 29204694 TI - IROS 2018. PMID- 29204695 TI - Percutaneous Image-Guided Ablation in the Treatment of Osseous Metastases from Non-small Cell Lung Cancer. AB - INTRODUCTION: Percutaneous image-guided ablation is an emerging minimally invasive therapy for patients with metastatic bone disease for whom radiation therapy is ineffective or contraindicated. The purpose of this study was to examine the safety and efficacy of percutaneous ablation in achieving pain palliation and local tumor control of osseous metastases from non-small cell lung cancer (NSCLC). METHODS: A retrospective review was performed of 76 musculoskeletal metastases in 45 patients treated with percutaneous ablation. 63% (48/76) were treated with radiofrequency ablation (RFA), 35% (27/76) with cryoablation, and 1.3% (1/76) with microwave ablation (MWA). In 70% (53/76) of cases, associated cementoplasty was performed. Primary outcomes measured were pre and post-procedure pain scores 4 weeks after treatment and local tumor control at 3-, 6-, and 12-month follow-up. RESULTS: Mean age of the cohort was 63.6 +/- 9.5 years. Median tumor diameter was 3.60 cm (range 1.0-10.0 cm). Mean and median pain scores before treatment were 7.5 +/- 2.3 and 8.0, respectively. Post procedure, patients reported significantly decreased pain scores at 4 weeks (mean, 3.7 +/- 3.5; median, 3.0; p < 0.00001). Radiographic local tumor control rates were 83% (35/42) at 3 months, 77% (23/30) at 6 months, and 68% (17/25) at 12 months after treatment. The overall complication rate was 2.6% (2/76). CONCLUSION: Percutaneous tumor ablation is a well-tolerated, minimally invasive procedure associated with improving pain palliation and achieving local tumor control of osseous metastases from NSCLC. LEVEL OF EVIDENCE: Level 4, case series. PMID- 29204696 TI - Patients' perspective on bowel resection for inflammatory bowel disease. AB - PURPOSE: The study aimed to determine whether patients are receiving adequate counselling about elective bowel resection and timely surgery for inflammatory bowel disease (IBD). METHODS: Patients with IBD who underwent an elective bowel resection in a tertiary referral centre between April 2012 and Dec 2014 were identified from a prospective database. Patients under the age of 16 years were excluded from the study. Patients were contacted over the phone to complete a questionnaire regarding their perspective on their surgery, including the consultations that took place, preparedness and timing of surgery, as well as patient attitude towards bowel resection and satisfaction with post-operative outcomes. Demographic details were recorded. RESULTS: Thirty-one patients participated in the study. Twenty-one (68%) patients were diagnosed with Crohn's disease, nine (29%) were diagnosed with ulcerative colitis, and one (3%) had indeterminate colitis. Twenty-seven (87%) patients reported that the timing of the initial consultation regarding the option of bowel resection was appropriate. Twenty-five (81%) patients felt prepared after a consultation with the surgical team with regard to perioperative issues and potential complications. Fourteen (45%) patients reported that the timing of bowel resection was appropriate, while 15 (48%) reported that it should have been earlier. A significant improvement in patient's pre- and post-operative attitudes towards bowel resection was demonstrated (p = 0.004). Thirty (97%) patients were either happy or very happy with their results and symptom improvement post-bowel resection. CONCLUSION: Most patients are receiving adequate counselling about elective bowel resection for IBD, although there is room for improvement for preoperative education and optimising timing of surgery. PMID- 29204697 TI - How to reduce the superior mesenteric vein bleeding risk during laparoscopic right hemicolectomy. AB - PURPOSE: The superior right colic vein (SRCV) has been proposed as the main cause of superior mesenteric vein bleeding by avulsion during laparoscopic right hemicolectomy. Our objective is to identify the main vessel causing transverse mesocolic tension during the extraction of the surgical specimen or extracorporeal anastomosis and to perform an anatomical description of the SRCV. METHODS: In this cadaveric study, we performed a simulation of right hemicolectomy and anatomical description of the surgical area of the gastrocolic trunk of Henle (SAGCTH), the gastrocolic trunk of Henle (GCTH), and SRCV. The length of the exteriorization of the anastomotic transverse colon (ATC) was measured before and after sectioning the vascular vessel causing the exteriorization tension. RESULTS: Five fresh cadavers and 12 formalin were dissected. In 100% of the specimens, the SRCV was present and drained in 95% into the GCTH and in 5% directly into the superior mesenteric vein (SMV). In 100% of the specimens, the SRCV caused the tension when extracting the ATC. The mean length of exteriorization of the ATC before and after SRCV section was 7.2 and 10.4 cm in formalin cadavers, meaning a 44% of increment in the length of exteriorization. In fresh cadavers, the mean length of exteriorization increased to 2.7 cm, meaning a 28% of the initial length of exteriorization. CONCLUSIONS: The SRCV is the main cause of tension in the extraction of the surgical specimen after right hemicolectomy. Its high tie increases the length of the ATC exteriorization, in about 3 cm, and could reduce the risk of SMV bleeding during laparoscopic right hemicolectomy and facilitate an extracorporeal anastomosis free of tension. PMID- 29204699 TI - Therapeutic reduction of cell-mediated immunosuppression in mycosis fungoides and Sezary syndrome. AB - Tumor progression is associated with progressive immunosuppression mediated in part by T regulatory cell(s) (Treg) and/or myeloid-derived suppressor cell(s) (MDSC). Development of strategies to reduce populations of immune cells with suppressive function in cancer patients may enable the induction or recovery of immunity against tumor cells, which may limit or reverse disease progression. With a goal of developing Treg and MDSC neutralizing strategies to treat mycosis fungoides (MF) and Sezary syndrome (SzS), we determined the association between disease stage and suppressor cell populations in patients with MF/SzS, including those responding to therapy. We found elevations in Treg populations, across Treg subtypes, in patients with SzS, and these Treg markedly suppressed proliferation of autologous CD4+CD25- responder T cells. Interestingly, while MDSC numbers were not increased in MF/SzS patients, MDSC from patients with stage IB and above produced significantly more reactive oxygen species than those from stage IA MF patients and control cohorts. Therapy with the CD25-targeting agent denileukin diftitox or IFN-alpha2b was associated with a reduction in Treg numbers or MDSC function, respectively. These studies identify potential mechanisms of action for these therapies and support the development of coordinated strategies targeting both Treg and MDSC activities in patients with MF/SzS. PMID- 29204698 TI - Fumarase is involved in DNA double-strand break resection through a functional interaction with Sae2. AB - One of the most severe forms of DNA damage is the double-strand break (DSB). Failure to properly repair the damage can cause mutation, gross chromosomal rearrangements and lead to the development of cancer. In eukaryotes, homologous recombination (HR) and non-homologous end joining (NHEJ) are the main DSB repair pathways. Fumarase is a mitochondrial enzyme which functions in the tricarboxylic acid cycle. Intriguingly, the enzyme can be readily detected in the cytosolic compartment of all organisms examined, and we have shown that cytosolic fumarase participates in the DNA damage response towards DSBs. In human cells, fumarase was shown to be involved in NHEJ, but it is still unclear whether fumarase is also important for the HR pathway. Here we show that the depletion of cytosolic fumarase in yeast prolongs the presence of Mre11 at the DSBs, and decreases the kinetics of repair by the HR pathway. Overexpression of Sae2 endonuclease reduced the DSB sensitivity of the cytosolic fumarase depleted yeast, suggesting that Sae2 and fumarase functionally interact. Our results also suggest that Sae2 and cytosolic fumarase physically interact in vivo. Sae2 has been shown to be important for the DSB resection process, which is essential for the repair of DSBs by the HR pathway. Depletion of cytosolic fumarase inhibited DSB resection, while the overexpression of cytosolic fumarase or Sae2 restored resection. Together with our finding that cytosolic fumarase depletion reduces Sae2 cellular amounts, our results suggest that cytosolic fumarase is important for the DSB resection process by regulating Sae2 levels. PMID- 29204701 TI - Combination of mAb-AR20.5, anti-PD-L1 and PolyICLC inhibits tumor progression and prolongs survival of MUC1.Tg mice challenged with pancreatic tumors. AB - A substantial body of evidence suggests the existence of MUC1-specific antibodies and cytotoxic T cell activities in pancreatic cancer patients. However, tumor induced immunosuppression renders these responses ineffective. The current study explores a novel therapeutic combination wherein tumor-bearing hosts can be immunologically primed with their own antigen, through opsonization with a tumor antigen-targeted antibody, mAb-AR20.5. We evaluated the efficacy of immunization with this antibody in combination with PolyICLC and anti-PD-L1. The therapeutic combination of mAb-AR20.5 + anti-PD-L1 + PolyICLC induced rejection of human MUC1 expressing tumors and provided a long-lasting, MUC1-specific cellular immune response, which could be adoptively transferred and shown to provide protection against tumor challenge in human MUC1 transgenic (MUC.Tg) mice. Furthermore, antibody depletion studies revealed that CD8 cells were effectors for the MUC1 specific immune response generated by the mAb-AR20.5 + anti-PD-L1 + PolyICLC combination. Multichromatic flow cytometry data analysis demonstrated a significant increase over time in circulating, activated CD8 T cells, CD3+CD4-CD8 (DN) T cells, and mature dendritic cells in mAb-AR20.5 + anti-PD-L1 + PolyICLC combination-treated, tumor-bearing mice, as compared to saline-treated control counterparts. Our study provides a proof of principle that an effective and long lasting anti-tumor cellular immunity can be achieved in pancreatic tumor-bearing hosts against their own antigen (MUC1), which can be further potentiated using a vaccine adjuvant and an immune checkpoint inhibitor. PMID- 29204702 TI - Post-treatment neutrophil-to-lymphocyte ratio at week 6 is prognostic in patients with advanced non-small cell lung cancers treated with anti-PD-1 antibody. AB - We investigated inflammatory markers such as the neutrophil-to-lymphocyte ratio (NLR) that may predict the response to anti-PD-1 (programmed cell death protein 1) antibody therapy. Data from 54 patients with non-small cell lung cancer (NSCLC) treated with anti-PD-1 antibodies were retrospectively analyzed. The NLR was assessed at baseline and 6 weeks after the start of treatment (post treatment). Eighteen of 54 patients (33.3%) had objective responses to treatment. Older age, absence of brain metastasis, low post-treatment NLR (< 5), and immune related adverse events were significantly associated with response. Patients with a high post-treatment NLR (>= 5) had significantly shorter progression-free survival (PFS) than those with a low post-treatment NLR (median, 1.3 vs. 6.1 months, p < 0.001). Multivariate analysis demonstrated that high post-treatment NLR [hazard ratio (HR) 15.1, 95% confidence interval (CI) 1.5-50.1, p < 0.001], liver metastasis (HR 4.9, 95% CI 1.9-12.4, p = 0.001), and brain metastasis (HR 3.2, 95% CI 1.3-8.2, p = 0.013) were independent prognostic factors of shorter PFS. Overall survival (OS) was significantly different in patients with high and low post-treatment NLRs (median, 2.1 vs. 14.0 months, p < 0.001). A high post treatment NLR remained an independent prognostic factor for OS in multivariate analysis (HR 3.9, 95% CI 1.6-9.2, p = 0.003). The NLR at 6 weeks after treatment initiation was a prognostic marker in patients with advanced NSCLC treated with anti-PD-1 antibody. Further studies are warranted to evaluate the role of the 6 week NLR as a predictor in anti-PD-1 antibody treatment. PMID- 29204700 TI - The Immunoscore system predicts prognosis after liver metastasectomy in colorectal cancer liver metastases. AB - BACKGROUND: The Immunoscore was initially established to evaluate the prognosis of stage I/II/III colorectal cancer patients. However, the feasibility of the Immunoscore for the prognosis of colorectal cancer liver metastases (CRCLM) has not been reported. METHODS: Liver metastases in 249 CRCLM patients were retrospectively analyzed. The Immunoscore was assessed according to the counts and densities of CD3+ and CD8+ T cells in the central- and peritumoral areas by immunohistochemistry. The prognostic role of the Immunoscore for relapse-free survival (RFS) and overall survival (OS) was analyzed with Kaplan-Meier curves and Cox multivariate models, and confirmed via an internal validation. Receiver operating characteristic (ROC) curves were plotted to compare the prognostic values of the Immunoscore and the clinical risk score (CRS) system. RESULTS: CRCLM patients with high Immunoscores (> 2) had significantly longer RFS [median RFS (95% confidence interval; 95% CI) 21.4 (7.8-35.1) vs. 8.7 (6.8-10.5) months, P < 0.001] and OS [median OS (95% CI): not reached vs. 28.7 (23.2-34.2) months, P < 0.001] than those with low Immunoscores (<= 2). After stratification by CRS, the Immunoscore retained a statistically significant prognostic value for OS. The areas under the ROC curves (AUROCs) of the Immunoscore and the CRS system for RFS were 0.711 [95% CI 0.642-0.781] and 0.675[95% CI 0.601-0.749] (P = 0.492), whereas the AUROC of the Immunoscore system for OS was larger than that of the CRS system [0.759 (95% CI 0.699-0.818) vs. 0.660 (95% CI 0.592-0.727); P = 0.029]. CONCLUSIONS: The Immunoscore of liver metastases can be applied to predict the prognosis of CRCLM patients following liver resection. PMID- 29204703 TI - An intra-articular synovial lipoma of the hip, possibly causing osteoarthritis: a case report and review of the literature. AB - In this report, we present the case of an intra-articular synovial lipoma in a 58 year-old female with a coincident marked unilateral hip osteoarthritis. This patient suffered from right hip pain that developed gradually over 2 years. Physical examination noted decreased range of motion and evidence of impingement. MR and CT images showed an intra-articular fat-intense mass in the hip joint that was excised and confirmed as a synovial lipoma on histology. This case reveals that an intra-articular lipoma of the hip could be accompanied by pain or impingement and followed by hip osteoarthritis even in the absence of trauma. PMID- 29204704 TI - Re: A prospective, randomized trial comparing thulium vapoenucleation with holmium laser enucleation of the prostate for the treatment of symptomatic benign prostatic obstruction: perioperative safety and efficacy. PMID- 29204705 TI - RANKL/RANK/OPG cytokine receptor system: mRNA expression pattern in BPH, primary and metastatic prostate cancer disease. AB - BACKGROUND: The cytokine system RANKL (receptor activator of NF-kappaB ligand), its receptor RANK and the antagonist OPG (osteoprotegerin) play a critical role in bone turnover. Our investigation was conducted to describe the gene expression at primary tumour site in prostate cancer patients and correlate the results with Gleason Score and PSA level. METHODS: Seventy-one samples were obtained from prostate cancer patients at the time of radical prostatectomy and palliative prostate resection (n = 71). Patients with benign prostate hyperplasia served as controls (n = 60). We performed real-time RT-PCR after microdissection of the samples. RESULTS: The mRNA expression of RANK was highest in tumour tissue from patients with bone metastases (p < 0.001) as compared to BPH or locally confined tumours, also shown in clinical subgroups distinguished by Gleason Score (< 7 or >= 7, p = 0.028) or PSA level (< 10 or >= 10 ug/l, p = 0.004). RANKL and OPG mRNA expression was higher in tumour tissue from patients with metastatic compared to local disease. The RANKL/OPG ratio was low in normal prostate tissue and high tumours with bone metastases (p < 0.05). Expression of all three cytokines was high in BPH tissue but did not exceed as much as in the tumour tissue. CONCLUSION: We demonstrated that RANK, RANKL and OPG are directly expressed by prostate cancer cells at the primary tumour site and showed a clear correlation with Gleason Score, serum PSA level and advanced disease. In BPH, mRNA expression is also detectable, but RANK expression does not exceed as much as compared to tumour tissue. PMID- 29204706 TI - MiR-199a suppresses prostate cancer paclitaxel resistance by targeting YES1. AB - PURPOSE: Prostate cancer chemoresistance is a major contributor to the poor survival of patients. MicroRNAs (miRNAs) play an important role in regulating cancer resistance. Here we aim to explore the role and mechanism of miR-199a in regulating prostate cancer resistance. METHODS: MiR-199a expressions in human prostate cancer tissues and cell lines were investigated with real-time PCR (RT PCR). MiR-199a was ectopically overexpressed in PC3 cells, and resistance to paclitaxel (PTX) was evaluated consequently. The interaction between miR-199a and the oncogene Yamaguchi sarcoma viral homolog 1 (YES1) was assessed after miR-199a overexpression. YES1 was ectopically overexpressed, followed by evaluation of PTX resistance. The efficacy of miR-199a as a therapeutic agent was also investigated in vivo. RESULTS: Downregulation of miR-199a was characteristic of prostate cancer, particularly recurrent cancers. MiR-199a was suppressed in PTX-resistant cell line. Overexpression of miR-199a inhibited PTX resistance. YES1 was a target of miR-199a, and overexpression of YES1 reversed the effect of miR-199a in suppressing PTX resistance. In vivo, miR-199a increased tumor PTX sensitivity. CONCLUSIONS: The downregulation of miR-199a contributes to PTX resistance in prostate cancer. YES1 mediates the regulation of miR-199a in prostate cancer PTX resistance. This miR-199a replacement therapy has potential to overcome PTX resistance. PMID- 29204707 TI - Ocular surface and tear film status among contact lens wearers and non-wearers who use VDT at work: comparing three different lens types. AB - PURPOSE: To analyze differences in the ocular surface appearance and tear film status of contact lens wearers and non-wearers in a group of visual display terminals (VDT) workers and additionally to assess differences between lens materials. METHODS: Cross-sectional study of 236 office workers, of whom 92 were contact lens wearers. Workers provided information on their contact lenses (conventional hydrogel, silicone hydrogel or rigid gas permeable lenses) and exposure to VDT at work. Ocular surface and tear film status were determined by the presence of bulbar, limbal and lid redness, lid roughness and corneal staining type, and by Schirmer's and tear break-up time tests (TBUT). A generalized linear model was used to calculate the crude (cRR) and age- and sex adjusted (aRR) relative risk to measure the association between ocular surface and tear film abnormalities and contact lens use and type. RESULTS: The aRR of ocular surface abnormalities was higher in contact lens wearers compared to non wearers: bulbar redness (aRR 1.69; 95% CI 1.25-2.30), limbal redness (aRR 2.87; 1.88-4.37), lid redness (aRR 2.53; 1.35-4.73) and lid roughness (aRR 7.03; 1.31 37.82). VDT exposure > 4 h/day increased wearers' risk of limbal and lid redness. Conventional hydrogel wearers had the highest risk of ocular surface abnormalities, followed by silicone hydrogel wearers. Both contact and non contact lens wearers had a high prevalence of altered TBUT (77.3 and 75.7% respectively) and Schirmer (51.8 and 41.3%). CONCLUSIONS: Regular contact lens use during VDT exposure at work increases risk of bulbar, limbal and lid redness, and lid roughness, especially in soft contact lens wearers. The high prevalence of altered TBUT and Schirmer's results in all participants suggests that VDT use greatly affects tear film characteristics. PMID- 29204708 TI - A systematic literature review of the prevalence of and risk factors for supportive care needs among women with gynaecological cancer and their caregivers. AB - PURPOSE: This review aimed to determine the prevalence of met and unmet needs, and the risk factors for unmet needs among people affected by gynaecological cancer. METHODS: The review was undertaken using the PRISMA guidelines. Eligible studies were identified though a range of electronic databases in October and November 2016. Study quality was independently appraised by two people. RESULTS: Thirty-seven studies were included (1 review, 24 quantitative and 12 qualitative). The evidence was of mixed quality. The total burden of needs affecting women with gynaecological cancer and also their caregivers predominately related to comprehensive care and psychological concerns. The major moderate-to-high-level unmet needs of women with gynaecological cancer were for help explicitly with fear of recurrence, worries of caregivers and fatigue, and for women who developed lymphoedema were with pain and associated costs. Qualitative studies identified disease-specific needs related to sexuality issues (including fertility, sexual functioning, relationship concerns, managing vaginal changes, pregnancy care, premature menopause), genetic testing and disease specific peer support. Women at risk of having unmet needs include those who are younger, with advanced disease, with lymphoedema or a high symptom burden, are unable to work, have mental health issues, have poor social support or live in rural or remote locations. CONCLUSIONS: Understanding the needs of women with gynaecological cancer and their caregivers is essential to improving care and outcomes. Current data are limited thus there is a need for qualitative studies of patient-caregiver dyad and vulnerable subgroups and well-designed quantitative studies of women with each type of gynaecological and their caregivers. PMID- 29204709 TI - Modality of exercise influences rate of decrease in depression for cancer survivors with elevated depressive symptomatology. AB - PURPOSE: This three-arm feasibility controlled trial examined whether different exercise modalities provide reductions in depression symptoms to cancer survivors with elevated depression. METHODS: Thirty-two participants (58.9 +/- 9.4 years) were allocated to a 12-week supervised exercise group (EX; n = 10), a self managed home-based exercise group (SMHB; n = 8), or a usual care control group (CONT; n = 14). EX performed two supervised resistance and aerobic sessions per week. SMHB were provided with printed material about benefits of exercise and encouraged to complete 150 min of exercise weekly. CONT received no exercise or printed material and were encouraged to maintain usual activity. RESULTS: A group * time interaction was found for the primary outcome of depression scores, measured using the Hospital Anxiety and Depression Scale (HADS-D; p = .008). SMHB (6.4 +/- 5.3 to 2.2 +/- 2.9, p = .006) and EX (6.9 +/- 4.2 to 4.0 +/- 2.4, p = .021) interventions both effectively reduced HADS-D scores compared to CONT (7.2 +/- 2.5 to 7.7 +/- 3.6). SMHB decreased depression to a greater extent, and this occurred more rapidly with greatest changes noted at 6 weeks (d = 0.50). Further favourable outcomes for exercise were also noted for several secondary outcome measures. CONCLUSION: The rate of exercise-related reduction in depression is influenced by the modality of exercise. However, increasing the duration of the programme appears to diminish the favourable short-term response to self-managed exercise with subsequent secondary outcomes of mental health favouring supervised exercise. PMID- 29204711 TI - Voltage-Sensitive Potassium Channels of the BK Type and Their Coding Genes Are Alcohol Targets in Neurons. AB - Among all members of the voltage-gated, TM6 ion channel superfamily, the proteins that constitute calcium- and voltage-gated potassium channels of large conductance (BK) and their coding genes are unique for their involvement in ethanol-induced disruption of normal physiology and behavior. Moreover, in vitro studies document that BK activity is modified by ethanol with an EC50~23 mM, which is near blood alcohol levels considered legal intoxication in most states of the USA (0.08 g/dL = 17.4 mM). Following a succinct introduction to our current understanding of BK structure and function in central neurons, with a focus on neural circuits that contribute to the neurobiology of alcohol use disorders (AUD), we review the modifications in organ physiology by alcohol exposure via BK and the different molecular elements that determine the ethanol response of BK in alcohol-naive systems, including the role of an ethanol recognizing site in the BK-forming slo1 protein, modulation of accessory BK subunits, and their coding genes. The participation of these and additional elements in determining the response of a system or an organism to protracted ethanol exposure is consequently analyzed, with insights obtained from invertebrate and vertebrate models. Particular emphasis is put on the role of BK and coding genes in different forms of tolerance to alcohol exposure. We finally discuss genetic results on BK obtained in invertebrate organisms and rodents in light of possible extrapolation to human AUD. PMID- 29204710 TI - Chemotherapy-related neuropathic symptom management: a randomized trial of an automated symptom-monitoring system paired with nurse practitioner follow-up. AB - PURPOSE: The purpose of this study was to evaluate a new care model to reduce chemotherapy-induced neuropathic symptoms. Neuropathic symptom usual care was prospectively compared to an automated symptom-monitoring and coaching system, SymptomCare@Home (SCH), which included nurse practitioner follow-up triggered by moderate to severe symptoms. METHODS: Patients beginning chemotherapy were randomized to usual care (UC) or to the SCH intervention. This sub-analysis included only taxane/platin therapies. Participants called the automated telephone symptom-monitoring system daily to report numbness and tingling. The monitoring system recorded patient-reported neuropathic symptom severity, distress, and activity interference on a 0-10 scale. UC participants were instructed to call their oncologist for symptom management. SCH participants with symptom severity of >= 4 received automated self-care strategies, and a nurse practitioner (NP) provided guideline-based care. RESULTS: There were 252 participants, 78.6% of which were female. Mean age was 55.1 years. Mean follow-up was 90.2 +/- 39.9 days (81.1 +/- 40.3 calls). SCH participants had fewer days of moderate (1.8 +/- 4.0 vs. 8.6 +/- 17.3, p < 0.001) and severe chemotherapy induced peripheral neuropathy symptoms (0.3 +/- 1.0 vs. 1.1 +/- 5.2, p = 0.006). SCH participants had fewer days with moderate and severe symptom-related distress (1.4 +/- 3.7 vs. 6.9 +/- 15.0, p < 0.001; 0.2 +/- 0.9 vs. 1.5 +/- 6.1, p = 0.001) and trended towards less activity interference (3.3 +/- 1.9 vs. 3.8 +/- 2.1, p = 0.08). Other neuropathic symptoms were addressed in 5.8-15.4% of SCH follow-up calls. CONCLUSIONS: The SCH system effectively identified neuropathic symptoms and their severity and, paired with NP follow-up, reduced symptom prevalence, severity, and distress compared to usual care. PMID- 29204712 TI - Presynaptic Ethanol Actions: Potential Roles in Ethanol Seeking. AB - Ethanol produces intoxication through actions on numerous molecular and cellular targets. Adaptations involving these and other targets contribute to chronic drug actions that underlie continued and problematic drinking. Among the mechanisms involved in these ethanol actions are alterations in presynaptic mechanisms of synaptic transmission, including presynaptic protein function and excitation secretion coupling. At synapses in the central nervous system (CNS), excitation secretion coupling involves ion channel activation followed by vesicle fusion and neurotransmitter release. These mechanisms are altered by presynaptic neurotransmitter receptors and prominently by G protein-coupled receptors (GPCRs). Studies over the last 20-25 years have revealed that acute ethanol exposure alters neurotransmitter secretion, with especially robust effects on synapses that use the neurotransmitter gamma-aminobutyric acid (GABA). Intracellular signaling pathways involving second messengers such as cyclic AMP and calcium are implicated in these acute ethanol actions. Ethanol-induced release of neuropeptides and small molecule neurotransmitters that act on presynaptic GPCRs also contribute to presynaptic potentiation at synapses in the amygdala and hippocampus and inhibition of GABA release in the striatum. Prolonged exposure to ethanol alters neurotransmitter release at many CNS GABAergic and glutamatergic synapses, and changes in GPCR function are implicated in many of these neuroadaptations. These presynaptic neuroadaptations appear to involve compensation for acute drug effects at some synapses, but "allostatic" effects that result in long-term resetting of synaptic efficacy occur at others. Current investigations are determining how presynaptic neuroadaptations contribute to behavioral changes at different stages of alcohol drinking, with increasing focus on circuit adaptations underlying these behaviors. This chapter will discuss the acute and chronic presynaptic effects of ethanol in the CNS, as well as some of the consequences of these effects in amygdala and corticostriatal circuits that are related to excessive seeking/drinking and ethanol abuse. PMID- 29204713 TI - GABAA Receptor Subtype Mechanisms and the Abuse-Related Effects of Ethanol: Genetic and Pharmacological Evidence. AB - Ethanol's reinforcing and subjective effects, as well as its ability to induce relapse, are powerful factors contributing to its widespread use and abuse. A significant mediator of these behavioral effects is the GABAA receptor system. GABAA receptors are the target for gamma-aminobutyric acid (GABA), the major inhibitory neurotransmitter in the CNS. Structurally, they are pentameric, transmembrane chloride ion channels comprised of subunits from at least eight different families of distinct proteins. The contribution of different GABAA subunits to ethanol's diverse abuse-related effects is not clear and remains an area of research focus. This chapter details the clinical and preclinical findings supporting roles for different alpha, beta, gamma, and delta subunit containing GABAA receptors in ethanol's reinforcing, subjective/discriminative stimulus, and relapse-inducing effects. The reinforcing properties of ethanol have been studied the most systematically, and convergent preclinical evidence suggests a key role for the alpha5 subunit in those effects. Regarding ethanol's subjective/discriminative stimulus effects, clinical and genetic findings support a primary role for the alpha2 subunit, whereas preclinical evidence implicates the alpha5 subunit. At present, too few studies investigating ethanol relapse exist to make any solid conclusions regarding the role of specific GABAA subunits in this abuse-related effect. PMID- 29204714 TI - Comprehensive profiling of functional attributes, virulence potential and evolutionary dynamics in mycobacterial secretomes. AB - Mycobacterium is an interesting genus which not only includes intimidating pathogens, associated with severe devastations globally, but also comprises of non-pathogenic eco-friendly members that detoxify environmental pollutants. Secretory proteins of the mycobacterial communities are essential components which are firmly believed to facilitate proper cross-talk and apt communication with host cellular surroundings and environmental niche. Secretory elements also play vital roles in mycobacterial pathogenesis. In the present endeavor, an extensive profiling of mycobacterial secretomes, considering both pathogenic and non-pathogenic members, has been executed. Thorough analysis on amino acid composition and functional behavior of the mycobacterial secretory proteins has also been performed. In-depth scrutiny of biosynthetic cost of the secretory proteins with respect to the non-secretory ones indicated that the genus Mycobacterium strictly follows the policy of cost-minimization among the sets of imperative secretory proteins. Comprehensive assessment of potential virulence among the key secretory components signified that the pathogenic mycobacterial members possess a larger share of potentially virulent secretory elements in comparison to their non-pathogenic counterparts. Present analysis also revealed contrasted evolutionary features of the secretomes wherein secretory proteins were found to evolve faster than non-secretory proteins in mycobacterial pathogens but not in the concerned non-pathogens. Outcomes of present investigation promise to provide novel insights into the enigma of mycobacterial pathogenesis, bioremediation and adaptation in diverse niche and aid further scientific investigations associated with concerned research area. PMID- 29204715 TI - Insight into the reaction mechanism of lipoyl synthase: a QM/MM study. AB - Lipoyl synthase (LipA) catalyses the final step of the biosynthesis of the lipoyl cofactor by insertion of two sulfur atoms at the C6 and C8 atoms of the protein bound octanoyl substrate. In this reaction, two [4Fe4S] clusters and two molecules of S-adenosyl-L-methionine are used. One of the two FeS clusters is responsible for the generation of a powerful oxidant, the 5'-deoxyadenosyl radical (5'-dA*). The other (the auxiliary cluster) is the source of both sulfur atoms that are inserted into the substrate. In this paper, the spin state of the FeS clusters and the reaction mechanism is investigated by the combined quantum mechanical and molecular mechanics approach. The calculations show that the ground state of the two FeS clusters, both in the [4Fe4S]2+ oxidation state, is a singlet state with antiferromagnetically coupled high-spin Fe ions and that there is quite a large variation of the energies of the various broken-symmetry states, up to 40 kJ/mol. For the two S-insertion reactions, the highest energy barrier is found for the hydrogen-atom abstraction from the octanoyl substrate by 5'-dA*. The formation of 5'-dA* is very facile for LipA, with an energy barrier of 6 kJ/mol for the first S-insertion reaction and without any barrier for the second S-insertion reaction. In addition, the first S ion attack on the C6 radical of octanoyl was found to take place directly by the transfer of the H6 from the substrate to 5'-dA*, whereas for the second S-insertion reaction, a C8 radical intermediate was formed with a rate-limiting barrier of 71 kJ/mol. PMID- 29204717 TI - Correction to: Molecular characterization of Blastocystis sp. in captive wild animals in Qinling Mountains. AB - There were errors in Fig. 1 of the originally published article. Correct fig. 1 is presented here. PMID- 29204719 TI - Correction to: Electrocardiogram-based predictors for arrhythmia after spinal cord injury. AB - There is a typographical error in the formula presented for QTVI. While the formula was correctly applied to the data presented, the description of the formula has an incorrectly placed parenthesis. It should read. PMID- 29204718 TI - Superiority of 68Ga-DOTATATE over 18F-FDG and anatomic imaging in the detection of succinate dehydrogenase mutation (SDHx )-related pheochromocytoma and paraganglioma in the pediatric population. AB - PURPOSE: To evaluate and compare diagnostic performance of 68Ga-DOTA(0)-Tyr(3) octreotate (68Ga-DOTATATE) with 18F-fluoro-2-deoxy-D-glucose (18F-FDG) positron emission tomography-computed tomography (PET/CT) and anatomic imaging using computed tomography and/or magnetic resonance (CT/MR) imaging in detection of SDHx-related pheochromocytomas and paragangliomas (PPGLs) in pediatric patients. METHODS: Nine pediatric patients (5:4, girls:boys; 14.6 +/- 2.0 years) with an SDHx-related mutation (SDHB:SDHA:SDHD, n = 7:1:1) were included in this retrospective study. At the time of initial diagnosis, 7/9 patients had metastatic disease. They underwent CT/MR imaging along with PET/CT using 68Ga DOTATATE (n = 9), 18F-FDG (n = 8), and positron emission tomography-magnetic resonance imaging (PET/MR) using 18F-FDG (n = 1). In this manuscript, 18F-FDG PET/CT refers to both 18F-FDG PET/CT and 18F-FDG PET/MR. The per-lesion, per region, and per-patient detection rates were compared and calculated for each of the imaging modalities. A composite of all functional and anatomic imaging studies served as the imaging comparator. RESULTS: Eight out of nine patients were positive for PPGLs on the imaging studies that demonstrated 107 lesions in 22 anatomic regions on the imaging comparator. The per-lesion detection rates for 68Ga-DOTATATE PET/CT, 18F-FDG PET/CT, and CT/MR imaging were 93.5% (95%CI, 87.0% to 97.3%); 79.4% (95%CI, 70.5% to 86.6%); and 73.8% (95%CI, 64.5% to 81.9%), respectively. The per-lesion detection rate for 68Ga-DOTATATE PET/CT was significantly higher than that of 18F-FDG PET/CT (p = 0.001) or CT/MR imaging (p < 0.001). In all of the anatomic regions except abdomen, the per-lesion detection rates for 68Ga-DOTATATE PET/CT was found to be equal or superior to 18F-FDG PET/CT, and CT/MR imaging. The per-region detection rate was 100% (95%CI, 84.6% to 100%) for 68Ga-DOTATATE PET/CT and 90.9% (95%CI, 70.8% to 98.9%) for both 18F FDG PET/CT and CT/MR imaging. The per-patient detection rates for 68Ga-DOTATATE PET/CT, 18FDG PET/CT, and CT/MR imaging were all 100% (95%CI, 63.1% to 100%). CONCLUSION: Our preliminary study demonstrates the superiority of 68Ga-DOTATATE PET/CT in localization of SDHx-related PPGLs in pediatric population compared to 18F-FDG PET/CT and CT/MR imaging with the exception of abdominal (excluding adrenal and liver) lesions, and suggests that it might be considered as a first line imaging modality in pediatric patients with SDHx-related PPGLs. PMID- 29204721 TI - Molecular docking studies of bioactive compounds from Annona muricata Linn as potential inhibitors for Bcl-2, Bcl-w and Mcl-1 antiapoptotic proteins. AB - Annona muricata Linn or usually identified as soursop is a potential anticancer plant that has been widely reported to contain valuable chemopreventive agents known as annonaceous acetogenins. The antiproliferative and anticancer activities of this tropical and subtropical plant have been demonstrated in cell culture and animal studies. A. muricata L. exerts inhibition against numerous types of cancer cells, involving multiple mechanism of actions such as apoptosis, a programmed cell death that are mainly regulated by Bcl-2 family of proteins. Nonetheless, the binding mode and the molecular interactions of the plant's bioactive constituents have not yet been unveiled for most of these mechanisms. In the current study, we aim to elucidate the binding interaction of ten bioactive phytochemicals of A. muricata L. to three Bcl-2 family of antiapoptotic proteins viz. Bcl-2, Bcl-w and Mcl-1 using an in silico molecular docking analysis software, Autodock 4.2. The stability of the complex with highest affinity was evaluated using MD simulation. We compared the docking analysis of these substances with pre-clinical Bcl-2 inhibitor namely obatoclax. The study identified the potential chemopreventive agent among the bioactive compounds. We also characterized the important interacting residues of protein targets which involve in the binding interaction. Results displayed that anonaine, a benzylisoquinoline alkaloid, showed a high affinity towards the Bcl-2, thus indicating that this compound is a potent inhibitor of the Bcl-2 antiapoptotic family of proteins. PMID- 29204720 TI - Effect of mercury on pollen germination and tube growth in Lilium longiflorum. AB - Pollen development and germination were adversely affected by the presence of mercury, whereas low-concentrations stimulated the whole procedure. Mercury caused morphological anomalies during the tube growth, characterized by irregularly increasing diameters and swelling tips. The main effect was the anomalous cell wall formation at the tip where a substantial number of organelles were found reducing the secretory vesicles. The dense organelle concentration caused a significant reduction of cytoplasmic movement integrity, and the cytosol streaming was gradually reduced or stopped completely. Electron dense, multilamellar myelin-like structures (MMS) of membranous material were frequently present, in close contact with plasmalemma or away from it. A loose network of fibrillar material and spherical aggregates mostly at the tip region were observed which progressively were loosened into the surrounding medium. Elevated mercury concentrations can affect plant reproduction, resulting in anomalies in gamete development and consequently loss of plant biodiversity. PMID- 29204722 TI - Preparation of NGF encapsulated chitosan nanoparticles and its evaluation on neuronal differentiation potentiality of canine mesenchymal stem cells. AB - Sustained and controlled release of neurotrophic factors in target tissue through nanomaterial based delivery system could be a better strategy for nerve tissue regeneration. The present study aims to prepare the nerve growth factor (NGF) encapsulated chitosan nanoparticles (NGF-CNPs) and its evaluation on neuronal differentiation potentiality of canine bone marrow derived mesenchymal stem cells (cBM-MSCs). The NGF-CNPs were prepared by ionotropic gelation method with tripolyphosphate (TPP) as an ionic cross-linking agent. Observations on physiochemical properties displayed the size of nanoparticles as 80-90 nm with positive zeta potential as well as an ionic interaction between NGF and nanoparticle. NGF loading efficiency was found to be 61% while its sustained release was observed by an in vitro release kinetics study. These nanoparticles were found to be cytocompatible to cBM-MSCs when supplemented at a concentration upto 4 mg/ml in culture media. The NGF-CNP supplemented culture media was able to transdifferentiate the preinduced cBM-MSCs into neurons in a better way than unbound NGF supplementation. Further, it was also noticed that NGF-CNPs were able to transdifferentiate cBM-MSCs without any chemical based preinduction. In conclusion, our findings propose that NGF-CNPs are capable of releasing bioactive NGF with the ability to transdifferentiate mesenchymal stem cells into neurons, suggesting its potential future application in nerve tissue regeneration. PMID- 29204723 TI - Theoretical predictions of anti-corrosive properties of THAM and its derivatives. AB - We present quantum chemical theoretical estimations of the anti-corrosive properties of THAM (tris(hydroxymethyl)aminomethane) and three derivatives that differ in the number of benzene rings: THAM-1 (2-amino-3-hydroxy-2 (hydroxymethyl) propylobenzoate), THAM-2 (2-amino-2-(hydroxymetyl)prapan-1,3 diyldibenzoate) and THAM-3 (2-amino-propan-1,2,3-triyltribenzoate). Fourteen exchange-correlation functionals based on the density functional theory (DFT) were chosen for quantum chemical study of THAM derivatives. The objective was to examine the effect of benzene rings on potential anti-corrosive properties of THAM compounds. The results indicate that the addition of benzene rings in THAM derivatives is likely to significantly enhance electrostatic bonding of a THAM based coating to a presented metal surface and, thus, its adhesion and long-term effect in corrosion inhibition. Whereas it is clear that all three derivatives appear to be superior in their bonding characteristics to pure THAM, the potential order of merit between the three is less clear, although THAM-3 presents as possibly superior. PMID- 29204725 TI - "Sex Will Make Your Fingers Grow Thin and Then You Die": The Interplay of Culture, Myths, and Taboos on African Immigrant Mothers' Perceptions of Reproductive Health Education with Their Daughters Aged 10-14 Years. AB - This paper examines the convergence of culture, myths, and taboos surrounding reproductive health issues African immigrant women, living in the United States, learned during childhood in their countries of origin. We also discuss how mothers' perceptions of reproductive health education (RHE) influenced the education of their own daughters aged 10-14 years. This was a qualitative descriptive study. Data were collected via interviews and demographic survey. The sample size was 20 African immigrant mothers living in a mid-sized city in the U.S. Interviews were transcribed verbatim. Qualitative data was analyzed using qualitative content analysis. Myths and taboos related to menstruation, sexual intercourse, pregnancy, and HIV/AIDS were reported by the women interviewed. Discussion of these issues was largely taboo, and most myths the mothers learned growing up pertained to sexual intercourse, pregnancy prevention, and pregnancy termination using non-hormonal ingested substances. Myths and taboos about sexual issues are widespread in Africa and are propagated to control sexual behavior, especially that of unmarried people, particularly women. By examining these myths and taboos, we are able to somewhat contextualize the mothers' immigrant experience regarding RHE. Although myths were reported, the majority of mothers did not appear to believe them. The most significant taboo reported was sexual intercourse. This in turn led to mothers' overemphasis on abstinence for their daughters. It is also noteworthy that this sample contained mainly African women who overall were highly educated, spoke English, and could adequately navigate life in the U.S. It is unclear what the results would be if we were to examine African immigrant women with less achievements in these areas. PMID- 29204726 TI - Psychopathology and Associated Risk Factors Among Forcibly Displaced Syrian Children and Adolescents. AB - More than half of the 2.7 million registered Syrian refugees in Turkey are under 18 years of age. This study investigates prevalence of psychopathology and associated risk factors in refugee children in Turkey. Of a total of 218 children aged 9-15 years, 56.2% lost someone important to them, 55.1% saw dead or wounded people, 70.4% witnessed explosions or gun battles, 42.5% witnessed people being tortured and 25.6% personally experienced cruelty/torture during war. Prevalence of PTSD was 18.3% and that of anxiety-related disorders were as high as 69.0%. Death of an important person (p = .032) and male gender (p = .040) were associated with PTSD; whilst exposure to cruelty or torture (p = .014) and increasing duration of refuge (p = .042) were significantly associated with development of anxiety disorders. Findings of the present study reveals existence of the expected but unspoken mental health needs among the Syrian children in Turkey. PMID- 29204727 TI - Economic evaluation of 2014 cholera outbreak in Ghana: a household cost analysis. AB - INTRODUCTION: Ghana experienced its worst cholera outbreak in three decades in 2014. Evidence of cholera economic costs on affected households has been limited. This study aimed at determining economic costs on households affected by the cholera outbreak in a Coastal Region of Ghana. METHODS: Two districts; High and Low Incidence Areas (HIA and LIA) were selected in comparative cost analysis and disease impact on affected households assessed based on scientifically documented economic indicators. A total of 418 (282 HIA and 136 LIA) households that experienced at least one case of cholera infection were interviewed. Direct and indirect costs were estimated. Correlates of household's cholera infection were estimated using Tobit Regression model in STATA 13. RESULTS: Average direct cost to households in HIA amounted to USD 106.88, almost 2 folds higher than LIA (USD 62.02). Potential cost saving of an episode of cholera is USD 99,201.28 in LIA and raises almost 8 folds in HIA (USD 782,611.60). Households in lowest income category had the highest incidence of cholera (0.073) compared to other categories plus other factors were significant in explaining cholera incidence. CONCLUSIONS: The study showed considerable differences in HIA and LIA costs with higher household economic impact of cholera on the lowest income category. Results underscore the need for pragmatic policy interventions to avert recurrent outbreaks and emphasis huge potential cost saving with reducing cholera cases. PMID- 29204724 TI - Reversal of Hartmann's procedure: still a complicated operation. AB - Hartmann's procedure, colonic resection with an end colostomy and rectal closure, is used in a variety of surgical emergencies. It is a common surgical procedure that is often practiced in patients with colonic obstruction and colonic perforation, resolving the acute clinical situation in the majority of cases. Reversal of Hartmann's procedure with restoration of bowel continuity occurs in a significantly low percentage of patients. There are several reasons contributing to the fact that many patients remain with a permanent colostomy following Hartmann's procedure. These include factors related to the patients' clinical status but also to the significant difficulty and morbidity related to the surgical reversal of Hartmann's procedure. The aim of this study was to review the factors related to the fairly low percentage of patients undergoing Hartmann's reversal as well as surgical techniques that could help surgeons restore intestinal continuity following Hartmann's procedure and deal with the postoperative outcomes. PMID- 29204728 TI - Variation in outpatient emergency department utilization in Texas Medicaid: a state-level framework for finding "superutilizers". AB - BACKGROUND: Very frequent outpatient emergency department (ED) use-so called "superutilization"-at the state level is not well-studied. To address this gap, we examined frequent ED utilization in the largest state Medicaid population to date. METHODS: Using Texas Medicaid (the third largest in the USA) claims data, we examined the variability in expenditures, sociodemographics, comorbidities, and persistence across seven levels of ED utilization/year (i.e., 1, 2, 3-4, 5-6, 7-9, 10-14, and >= 15 visits). We classified visits into emergent and non emergent categories using the most recent New York University algorithm. RESULTS: Thirty-one percent (n = 346,651) of Texas Medicaid adult enrollees visited the ED at least once in 2014. Enrollees with >= 3 ED visits accounted for 8.5% of all adult patients, 60.4% of the total ED visits, and 62.1% of the total ED expenditures. Extremely frequent ED users (>= 10 ED visits) represented < 1% of all users but accounted for 15.5% of all ED visits and 17.4% of the total ED costs. The proportions of ED visits classified as non-emergent or emergent, but primary care treatable varied little as ED visits increased. Overall, approximately 13% of ED visits were considered not preventable or avoidable. CONCLUSIONS: The Texas Medicaid population has a substantial burden of chronic disease with only modest increases in substance use and mental health diagnoses as annual visits increase. Understanding the characteristics that lead to frequent ED use is vital to developing strategies and Medicaid policy to reduce high utilization. PMID- 29204730 TI - Development and Validation of a Japanese Fidelity Scale for Supported Employment. AB - The Individual Placement and Support (IPS) model of supported employment is an evidence based practice. Although several agencies have been trying to implement the IPS-model since 2005 in Japan, there was no tool to assess the quality. This study developed a Japanese version of the 25-item Individualized Supported Employment Fidelity Scale (J-ISEF), a new Japanese fidelity tool for supported employment based on the IPS model. A working group consisting of researchers and practitioners was formed to develop J-ISEF based on IPS-25. Some experts of the group visited the community agencies in Vermont before the development process. Twenty-six eligible agencies were identified using snowball sampling, and 14 agencies of them agreed and participated at T1. We conducted three cross sectional surveys (T1, T2 and T3), using the new scale. The first evaluation period (T1) was between September 2013 and February 2014, the second (T2) between September 2014 and February 2015, and the third (T3) between October 2015 and February 2016. High inter-rater reliability (ICC = 0.98 for the entire scale) was confirmed from T1 data. The total score and the service subscale total were positively correlated with employment rate (P < 0.05). A new fidelity scale, J ISEF, is developed as a quality assessment tool for evidence-based supported employment programs in Japan. The evidence for its inter-rater reliability and criterion-related validity is promising. PMID- 29204729 TI - "Nutrient-sensing" and self-renewal: O-GlcNAc in a new role. AB - Whether embryonic, hematopoietic or cancer stem cells, this metabolic reprogramming is dependent on the nutrient-status and bioenergetic pathways that is influenced by the micro-environmental niches like hypoxia. Thus, the microenvironment plays a vital role in determining the stem cell fate by inducing metabolic reprogramming. Under the influence of the microenvironment, like hypoxia, the stem cells have increased glucose and glutamine uptake which result in activation of hexosamine biosynthesis pathway (HBP) and increased O-GlcNAc Transferase (OGT). The current review is focused on understanding how HBP, a nutrient-sensing pathway (that leads to increased OGT activity) is instrumental in regulating self-renewal not only in embryonic and hematopoietic stem cells (ESC/HSC) but also in cancer stem cells. PMID- 29204731 TI - Improved biosynthesis of silver nanoparticles using keratinase from Stenotrophomonas maltophilia R13: reaction optimization, structural characterization, and biomedical activity. AB - In the present study, keratinase from Stenotrophomonas maltophilia R13 was used for the first time as a reducing agent for the eco-friendly synthesis of AgNPs. The keratinase produced by strain R13 was responsible for the reduction of silver ions and the subsequent formation of AgNPs. Maximum AgNP synthesis was achieved using 2 mM AgNO3 at pH 9 and 40 degrees C. Electron microscopy and dynamic light scattering analysis showed AgNPs were spherical and of average diameter ~ 8.4 nm. X-ray diffraction revealed that AgNPs were crystalline. FTIR indicated AgNPs were stabilized by proteins present in the crude enzyme solution of strain R13. AgNPs exhibited a broad antimicrobial spectrum against several pathogenic microorganisms, and the antimicrobial mechanism appeared to involve structural deformation of cells resulting in membrane leakage and subsequent lysis. AgNPs also displayed 1,1-diphenyl-2-picrylhydrazyl (IC50 = 0.0112 mg/ml), 2,2'-azinobis 3-ethylbenzothiazoline-6-sulfonate radical scavenging (IC50 = 0.0243 mg/ml), and anti-collagenase (IC50 = 23.5 mg/ml) activities. PMID- 29204732 TI - Peripheral Leptin Signaling Mediates Formalin-Induced Nociception. AB - Accumulating evidence suggests that obesity is associated with chronic pain. However, whether obesity is associated with acute inflammatory pain is unknown. Using a well-established obese mouse model induced by a high-fat diet, we found that: (1) the acute thermal pain sensory threshold did not change in obese mice; (2) the model obese mice had fewer nociceptive responses in formalin-induced inflammatory pain tests; restoring the obese mice to a chow diet for three weeks partly recovered their pain sensation; (3) leptin injection induced significant phosphorylation of STAT3 in control mice but not in obese mice, indicating the dysmodulation of topical leptin-leptin receptor signaling in these mice; and (4) leptin-leptin receptor signaling-deficient mice (ob/ob and db/db) or leptin leptin receptor pathway blockade with a leptin receptor antagonist and the JAK2 inhibitor AG 490 in wild-type mice reduced their nociceptive responses in formalin tests. These results indicate that leptin plays a role in nociception induced by acute inflammation and that interference in the leptin-leptin receptor pathway could be a peripheral target against acute inflammatory pain. PMID- 29204733 TI - Comparative nutritional and mycochemical contents, biological activities and LC/MS screening of tuber from new recipe cultivation technique with wild type tuber of tiger's milk mushroom of species Lignosus rhinocerus. AB - Tiger's milk mushroom is known for its valuable medicinal properties, especially the tuber part. However, wild tuber is very hard to obtain as it grows underground. This study first aimed to cultivate tiger's milk mushroom tuber through a cultivation technique, and second to compare nutritional and mycochemical contents, antioxidant and cytotoxic activities and compound screening of the cultivated tuber with the wild tuber. Results showed an increase in carbohydrate content by 45.81% and protein content by 123.68% in the cultivated tuber while fat content reduced by 13.04%. Cultivated tuber also showed an increase of up to 64.21% for total flavonoid-like compounds and 62.51% of total beta-D-glucan compared to the wild tuber. The antioxidant activity of cultivated tuber and wild tuber was 760 and 840 ug mL-1, respectively. The cytotoxic activity of boiled water extract of cultivated tuber against a human lung cancer cell line (A549) was 65.50 +/- 2.12 ug mL-1 and against a human breast cancer cell line (MCF7) was 19.35 +/- 0.11 ug mL-1. beta-D-glucan extract from the purification of boiled water extract of cultivated tuber showed cytotoxic activity at 57.78 +/- 2.29 ug mL-1 against A549 and 33.50 +/- 1.41 ug mL-1 against MCF7. However, the beta-glucan extract from wild tuber did not show a cytotoxic effect against either the A549 or MCF7 cell lines. Also, neither of the extracts from cultivated tuber and wild tuber showed an effect against a normal cell line (MRC5). Compound profiling through by liquid chromatography mass spectrometry (LC/MS) showed the appearance of new compounds in the cultivated tuber. In conclusion, our cultivated tuber of tiger's milk mushroom using a new recipe cultivation technique showed improved nutrient and bioactive compound contents, and antioxidant and cytotoxic activities compared to the wild tuber. Further investigations are required to obtain a better quality of cultivated tuber. PMID- 29204734 TI - Basic concepts in metal work failure after metastatic spine tumour surgery. AB - PURPOSE: The development of spinal implants marks a watershed in the evolution of metastatic spine tumour surgery (MSTS), which has evolved from standalone decompressive laminectomy to instrumented stabilization and decompression with reconstruction when necessary. Fusion may not be feasible after MSTS due to poor quality of graft host bed along with adjunct chemotherapy and/or radiotherapy postoperatively. With an increase in the survival of patients with spinal tumours, there is a probability of an increase in the rate of implant failure. This review aims to help establish a clear understanding of implants/constructs used in MSTS and to highlight the fundamental biomechanics of implant/construct failures. METHODS: Published literature on implant failure after spine surgery and MSTS has been reviewed. The evolution of spinal implants and their role in MSTS has been briefly described. The review defines implant/construct failures using radiological parameters that are practical, feasible, and derived from historical descriptions. We have discussed common modes of implant/construct failure after MSTS to allow further understanding, interception, and prevention of catastrophic failure. RESULTS: Implant failure rates in MSTS are in the range of 2-8%. Variability in patterns of failure has been observed based on anatomical region and the type of constructs used. Patients with construct/implant failures may or may not be symptomatic and present either as early (< 3months) or late failures (> 3months). It has been noted that not all the implant failures after MSTS result in revisions. CONCLUSION: Based on the observed radiological criteria and clinical presentations, we have proposed a clinico-radiological classification for implant/construct failure after MSTS. PMID- 29204735 TI - Inflammaging in cervical and lumbar degenerated intervertebral discs: analysis of proinflammatory cytokine and TRP channel expression. AB - PURPOSE: To investigate and compare the occurrence of inflammatory processes in the sites of disc degeneration in the lumbar and cervical spine by a gene array and subsequent qPCR and to investigate the mechanistic involvement of transient receptor potential channels TRPC6 and TRPV4. METHODS: The gene expression of inflammatory cytokines and TRP channels was measured in human disc samples obtained from patients undergoing discectomy at the cervical (n = 24) or lumbar (n = 27) spine for degenerative disc disease (DDD) and disc herniation (DH) and analyzed for differences with regard to spinal level, IVD degeneration grade, Modic grade, age, sex, disc region and surgical extent. RESULTS: Aside from genes with known implication in DDD and DH, four previously unreported genes from the interferon and TRP families (IFNA1, IFNA8, IFNB1, TRPC6) could be detected. A correlation between gene expression and age (IL-15) and IVD degeneration grade (IFNA1, IL-6, IL-15, TRPC6), but not Modic grade, was identified. Significant differences were detected between cervical and lumbar discs (IL-15), nucleus and annulus (IL-6, TNF-alpha, TRPC6), single-level and multi-level surgery (IL-6, IL 8) as well as DDD and DH (IL-8), while sex had no effect. Multiple gene-gene pair correlations, either between different cytokines or between cytokines and TRP channels, exist in the disc. CONCLUSION: This study supports the relevance of IL 6 and IL-8 in disc diseases, but furthermore points toward a possible pathological role of IL-15 and type I interferons, as well as a mechanistic role of TRPC6. With limited differences in the inflammatory profile of cervical and lumbar discs, novel anti-inflammatory or TRP-modulatory strategies for the treatment of disc pathologies may be applicable independent of the spinal region. PMID- 29204736 TI - Effect of bacterial lipopolysaccharides on morphogenetic activity in wheat somatic calluses. AB - We evaluated the effect of lipopolysaccharides from the plant-growth-promoting associative bacterium Azospirillum brasilense Sp245 and from the enteric bacterium Escherichia coli K12 on the morphogenic potential of in vitro-growing somatic calluses of soft spring wheat (Triticum aestivum L. cv. Saratovskaya 29). A genetic model was used that included two near-isogenic lines of T. aestivum L. cv. Saratovskaya 29 with different embryogenic capacities; one of these lines carries the Rht-B1 dwarfing gene, whereas the other lacks it. When added to the nutrient medium, the lipopolysaccharide of A. brasilense Sp245 promoted the formation of calluses with meristematic centers and stimulated the regeneration ability of the cultured tissues in both lines. By contrast, the lipopolysaccharide of the enteric bacterium E. coli K12 barely affected the morphogenetic activity of callus cells and the yield of morphogenic calluses and regenerated plants. These findings indicate that the lipopolysaccharide of the plant-growth-promoting associative bacterium A. brasilense Sp245 specifically enhances the morphogenetic activity of wheat somatic tissues, which increases the efficacy of culturing of genotypes with a relatively low morphogenic potential. The results of the study may contribute to the improvement of the efficacy of plant cell selection and gene engineering and to a better understanding of the mechanisms responsible for plant recognition of lipopolysaccharides of associative bacteria. PMID- 29204737 TI - Initial Slovenian experience with MitraClip therapy : Careful selection of patients is crucial for optimal outcome. AB - BACKGROUND: MitraClip is a percutaneous mitral repair technology increasingly used for high surgical risk patients with primary or secondary mitral regurgitation. We describe initial Slovenian experience with MitraClip and discuss the importance of identifying the suitable candidates for this procedure. METHODS: We retrospectively analyzed the first 10 patients (mean age 75.6 +/- 6.9 years, logistic Euroscore 28.4 +/- 10.9%) with severe and moderate to severe mitral regurgitation (8 secondary, 1 primary and 1 mixed etiology) who underwent a MitraClip procedure between January 2015 and February 2017. RESULTS: Acute reduction of mitral regurgitation was achieved in all but one patient (90%). There were no periprocedural mortalities and at short to mid-term follow-up (median 12 months, interquartile range 3-15 months). In eight patients improvement of functional class was observed at discharge. No functional improvement was achieved in a patient with advanced ischemic cardiomyopathy, and in a patient with degenerative mitral disease in whom the MitraClip procedure had failed necessitating mitral valve surgery. One patient experienced late leaflet detachment and was effectively managed with a second MitraClip procedure. There were two vascular complications at the access site and one percutaneous closure of an iatrogenic atrial septal defect. CONCLUSION: Our initial experiences with a small number of patients indicate that percutaneous mitral repair with MitraClip is a feasible and safe method in high-risk patients. Special attention should be paid to careful patient selection including detailed echocardiographic evaluation of mitral valve anatomy, technical performance and final result, particularly at the beginning of the learning curve in order to reduce the rate of serious complications. PMID- 29204738 TI - The Association Between Myocardial Fibrosis and Depressed Capillary Density in Rat Model of Left Ventricular Hypertrophy. AB - Myocardial fibrogenesis is initiated once the coordination between oxygen supply and demand is disrupted in pressure overload-induced cardiac hypertrophy. Clinical observations showed that myocardial fibrosis did not evenly occur in the hypertrophic myocardium. The present study was undertaken to specifically address differential vulnerabilities to fibrogenesis of different regions in the myocardium subjected to pressure overload-induced hypertrophy. SD rats were divided into two groups, sham-operated control and ascending artery constriction induced cardiac hypotrophy. Thirty-four weeks after surgery, rats were sacrificed and hearts were harvested. Myocardial tissues were processed and sequentially sectioned for detection of collagen deposition, myocyte hypertrophy and vascular density analysis. Redundant collagen stained with Sirius red and anti-collagen I antibody was found in the extracellular matrix, but high volume of collagen fraction was largely localized more in posterior and lateral walls than in anterior wall and interventricular septum, which is in accordance with the accumulation of fibroblasts. In association with the differential regional collagen accumulation, the cardiomyocytes were more hypertrophic in the posterior and lateral wall than the other left ventricle. However, the capillary density in the lateral and posterior walls was significantly decreased. The results indicated that the posterior and lateral walls were more vulnerable to fibrogenesis post-pressure overload-induced cardiac hypertrophy, which was associated with the depressed angiogenesis in these two regions. PMID- 29204739 TI - Serological evidence of H5-subtype influenza A virus infection in indigenous avian and mammalian species in Korea. AB - In Korea, H5-subtype highly pathogenic avian influenza (HPAI) has caused huge economic losses in poultry farms through outbreaks of H5N1 since 2003, H5N8 since 2013 and H5N6 since 2016. Although it was reported that long-distance migratory birds may play a major role in the global spread of avian influenza viruses (AIVs), transmission from such birds to poultry has not been confirmed. Intermediate hosts in the wild also may be a potential factor in viral transmission. Therefore, a total of 367 serum samples from wild animals were collected near major migratory bird habitats from 2011 to 2016 and tested by AIV specific blocking ELISA and hemagglutination inhibition (HI) test. Two mammalian and eight avian species were seropositive according to the ELISA test. Among these, two mammalian (Hydropotes inermis and Prionailurus bengalensis) and three avian (Aegypius monachus, Cygnus cygnus, and Bubo bubo) species showed high HI titres (> 1,280) against one or two H5-subtype AIVs. As H. inermis (water deer), P. bengalensis (leopard cat), and B. bubo (Eurasian eagle owl) are indigenous animals in Korea, evidence of H5-subtype AIV in these animals implies that continuous monitoring of indigenous animals should be followed to understand interspecies transmission ecology of H5-subtype influenza viruses. PMID- 29204740 TI - Living with conduct problem youth: family functioning and parental perceptions of their child. AB - Parenting children with conduct problems (CP) is challenging, yet very little is known about the impact of the child's behaviour on family functioning or how parents of children with CP perceive their child. The aim of this research was to examine whether families with children with CP and high vs. low levels of callous unemotional traits (HCU vs. LCU) experience differences in family functioning and parental perceptions. One hundred and one parents/caregivers of boys aged 11-16 [Typically developing (TD) n = 31; CP/HCU n = 35; CP/LCU n = 35] completed the McMaster Family Assessment Device, measuring multiple domains of family functioning. Parents/caregivers also completed a written statement describing their child, used for qualitative analysis. Families with CP/HCU children had poorer affective involvement than TD (p = 0.00; d = - 1.17) and CP/LCU (p = 0.03; d = - 0.62) families. Families with CP/HCU children showed significantly poorer general family functioning (p = 0.04; d = - 0.63) and more poorly defined family roles (p = 0.005; d = - 0.82) than families with TD children. Qualitative analyses indicated that parents/caregivers of CP/HCU children characterised them as having a dichotomous personality and being superficially charming. CP/LCU children were characterised as cheeky and endearing, with parents reporting good rapport. Families with CP/HCU children presented with specific difficulties in affective involvement and parents described challenges which were in line with the child's specific presentation of lack of empathy and shallow affect. These findings may be used to help clinicians identify targets for family interventions. PMID- 29204741 TI - Effects of zinc on the production of alcohol by Clostridium carboxidivorans P7 using model syngas. AB - Renewable energy, including biofuels such as ethanol and butanol from syngas bioconversed by Clostridium carboxidivorans P7, has been drawing extensive attention due to the fossil energy depletion and global eco-environmental issues. Effects of zinc on the growth and metabolites of C. carboxidivorans P7 were investigated with model syngas as the carbon source. The cell concentration was doubled, the ethanol content increased 3.02-fold and the butanol content increased 7.60-fold, the hexanol content increased 44.00-fold in the medium with 280 MUM Zn2+, when comparing with those in the control medium [Zn2+, (7 MUM)]. Studies of the genes expression involved in the carbon fixation as well as acid and alcohol production in the medium with 280 MUM Zn2+ indicated that fdhII was up-regulated on the second day, acs A, fdhII, bdh35 and bdh50 were up-regulated on the third day and bdh35, acsB, fdhI, fdhIII, fdhIV, buk, bdh10, bdh35, bdh40 and bdh50 were up-regulated on the fourth day. The results indicated that the increased Zn2+ content increased the alcohol production through increase in the gene expression of the carbon fixation and alcohol dehydrogenase. PMID- 29204742 TI - Target and Tissue Selectivity Prediction by Integrated Mechanistic Pharmacokinetic-Target Binding and Quantitative Structure Activity Modeling. AB - Selectivity is an important attribute of effective and safe drugs, and prediction of in vivo target and tissue selectivity would likely improve drug development success rates. However, a lack of understanding of the underlying (pharmacological) mechanisms and availability of directly applicable predictive methods complicates the prediction of selectivity. We explore the value of combining physiologically based pharmacokinetic (PBPK) modeling with quantitative structure-activity relationship (QSAR) modeling to predict the influence of the target dissociation constant (K D) and the target dissociation rate constant on target and tissue selectivity. The K D values of CB1 ligands in the ChEMBL database are predicted by QSAR random forest (RF) modeling for the CB1 receptor and known off-targets (TRPV1, mGlu5, 5-HT1a). Of these CB1 ligands, rimonabant, CP-55940, and Delta8-tetrahydrocanabinol, one of the active ingredients of cannabis, were selected for simulations of target occupancy for CB1, TRPV1, mGlu5, and 5-HT1a in three brain regions, to illustrate the principles of the combined PBPK-QSAR modeling. Our combined PBPK and target binding modeling demonstrated that the optimal values of the K D and k off for target and tissue selectivity were dependent on target concentration and tissue distribution kinetics. Interestingly, if the target concentration is high and the perfusion of the target site is low, the optimal K D value is often not the lowest K D value, suggesting that optimization towards high drug-target affinity can decrease the benefit-risk ratio. The presented integrative structure-pharmacokinetic pharmacodynamic modeling provides an improved understanding of tissue and target selectivity. PMID- 29204743 TI - Genetic Variation and Gene Expression Levels of Tight Junction Genes Indicates Relationships Between PTEN as well as MAGI1 and Microscopic Colitis. AB - BACKGROUND AND AIM: Microscopic colitis (MC) has been associated with increased paracellular permeability. Therefore, we aimed to investigate potential associations between MC and several genes encoding tight junction (TJ) proteins reported to interact with each other. METHODS: The association between MC and single nucleotide polymorphisms (SNP; n = 63) within TJ genes (F11R, MAGI1, MAGI2, MAGI3, PARD3, PTEN, and TJP1) were investigated in a case-control study (n MC patients = 104 and n controls = 423). The genes that exhibited an association with MC were further investigated for gene expression related to genotype, MC phenotype, and gender using colonic biopsies from MC patients (n = 25) and controls (n = 58). RESULTS: Based on the number of investigated genes and after correction for multiple testing, an association was detected between a SNP marker in PTEN (rs1234224) and both MC overall (OR = 1.70, 95% CI 1.23-2.34, p = 0.001) and collagenous colitis (CC; OR = 1.79, 95% CI 1.22-2.62, p = 0.003). Further, SNP markers in MAGI1 (rs17417230) and F11R (rs790055) were associated with MC overall (OR = 1.58, 95% CI 1.14-2.19, p = 0.006) and with CC (OR = 2.58, 95% CI 1.27-5.25, p = 0.007), respectively. However, none of the associated SNPs contributed markedly to the expression of the respective genes. Nonetheless, decreased MAGI1 (p = 3.47 * 10-4) and PTEN (p = 0.004) expression was associated with lymphocytic colitis (LC) and CC, respectively, compared to controls. CONCLUSIONS: Decreased expression of PTEN and MAGI1 in the colonic mucosa might contribute to the pathogenesis of MC and its sub-phenotypes. Furthermore, our study indicates that genetic variants of TJ components are predisposing factors in the etiology of MC. Finally, F11R, MAGI1, and PTEN are new candidate genes that exhibit an association with MC. PMID- 29204744 TI - EUS-Guided Pancreatic Duct Puncture for Difficult Cannulation of Stenosed Pancreaticojejunostomy. PMID- 29204745 TI - Heterogeneity and function of hippocampal macroglia. AB - The contribution of glial cells to normal and impaired hippocampal function is increasingly being recognized, although important questions as to the mechanisms that these cells use for their crosstalk with neurons and capillaries are still unanswered or lead to controversy. Astrocytes in the hippocampus are morphologically variable and a single cell contacts with its processes more than 100,000 synapses. They predominantly express inward rectifier K+ channels and transporters serving homeostatic function but may also release gliotransmitters to modify neuronal signaling and brain circulation. Intracellular Ca2+ transients are key events in the interaction of astrocytes with neurons and the vasculature. Hippocampal NG2 glia represent a population of cells with proliferative capacity throughout adulthood. Intriguingly, they receive direct synaptic input from pyramidal neurons and interneurons and express a multitude of ion channels and receptors. Despite in-depth knowledge about the features of these transmembrane proteins, the physiological impact of NG2 glial cells and their synaptic input remain nebulous. Because of the low abundance of oligodendrocytes in the hippocampus, limited information is available about their specific properties. Given the multitude of signaling molecules expressed by the various types of hippocampal glial cells (and because of space constraints), we focus, in this review, on those properties that are considered key for the interaction of the respective cell type with its neighborhood. PMID- 29204746 TI - Comparative analysis of human Wharton's jelly mesenchymal stem cells derived from different parts of the same umbilical cord. AB - Easy isolation, lack of ethical issues, high proliferation, multi-lineage differentiation potential and immunomodulatory properties of umbilical cord (UC) derived mesenchymal stem cells (MSCs) make them a valuable tool in stem cell research. Recently, Wharton's jelly (WJ) was proven as the best MSC source among various compartments of UC. However, it is still unclear whether or not Wharton's jelly-derived MSCs (WJMSCs) from different parts of the whole cord exhibit the same characteristics. There may be varied MSCs present in different parts of WJ throughout the length of the UC. For this purpose, using an explant attachment method, WJMSCs were isolated from three different parts of the UC, mainly present towards the placenta (mother part), the center of the whole cord (central part) and the part attached to the fetus (baby part). WJMSCs from all three parts were maintained in normal growth conditions (10% ADMEM) and analyzed for mesenchymal markers, pluripotent genes, proliferation rate and tri-lineage differentiation potential. All WJMSCs were highly proliferative, positively expressed CD90, CD105, CD73 and vimentin, while not expressing CD34, CD45, CD14, CD19 or HLA-DR, differentiated into adipocytes, osteocytes and chondrocytes and expressed pluripotency markers OCT-4, SOX-2 and NANOG at gene and protein levels. Furthermore, MSCs derived from all the parts were shown to have potency towards hepatocyte-like cell differentiation. Human bone marrow-derived MSCs were used as a positive control. Finally, we conclude that WJMSCs derived from all the parts are valuable sources and can be efficiently used in various fields of regenerative medicine. PMID- 29204747 TI - Neutrophil evasion strategies by Streptococcus pneumoniae and Staphylococcus aureus. AB - Humans are well equipped to defend themselves against bacteria. The innate immune system employs diverse mechanisms to recognize, control and initiate a response that can destroy millions of different microbes. Microbes that evade the sophisticated innate immune system are able to escape detection and could become pathogens. The pathogens Streptococcus pneumoniae and Staphylococcus aureus are particularly successful due to the development of a wide variety of virulence strategies for bacterial pathogenesis and they invest significant efforts towards mechanisms that allow for neutrophil evasion. Neutrophils are a primary cellular defense and can rapidly kill invading microbes, which is an indispensable function for maintaining host health. This review compares the key features of Streptococcus pneumoniae and Staphylococcus aureus in epidemiology, with a specific focus on virulence mechanisms utilized to evade neutrophils in bacterial pathogenesis. It is important to understand the complex interactions between pathogenic bacteria and neutrophils so that we can disrupt the ability of pathogens to cause disease. PMID- 29204748 TI - Imaging the expression of glypican-3 in hepatocellular carcinoma by PET. AB - The glypican-3 (GPC3) receptor is overexpressed in hepatocellular carcinoma (HCC) and is a potential diagnostic and therapeutic target. GPC3-targeted molecular imaging will be helpful to differentiate diagnosis and guide therapy. In the present study, we will develop a novel PET probe for imaging the expression of GPC-3. L5 (sequence: RLNVGGTYFLTTRQ), a GPC3 targeting peptide, was labeled with 5-carboxyfluorescein (FAM) and 18F-fluoride. Cell binding tests were performed to identify the binding specificity of FAM-L5 and 18F radiolabeled peptide. MicroPET/CT imaging was used to determine the potential of a novel PET tracer for visualizing HCC tumors with a high expression of GPC3. In vitro binding tests showed that the uptake of FAM-L5 in HepG2 cells (high expression of GPC3) was significantly higher than that of HL-7702 cells (negative expression of GPC3) (mean fluorescent intensity: 14,094 +/- 797 vs. 2765 +/- 314 events, t = 32.363, P = 0.000). Confocal fluorescent imaging identified that FAM-L5 accumulated where the GPC3 receptor was located. A novel PET tracer (18F-AlF-NODA-MP-6-Aoc-L5) was successfully labeled by chelation chemistry. In vitro cell uptake studies showed that 18F-AlF-NODA-MP-6-Aoc-L5 can bind to HepG2 tumor cells and was stable in PBS and mouse serum stability tests. MicroPET/CT showed that HepG2 tumors could be clearly visualized with a tumor/muscle ratio of 2.46 +/- 0.53. However, the tumor/liver ratio was low (0.93 +/- 0.16) due to the high physiological uptake in the liver. This study demonstrates that FAM and the 18F-labeled L5 peptide can selectively target HCC with a high expression of GPC3 in vitro and in vivo. 18F AlF-NODA-MP-C6-L5 has the potential to be a GPC3 target tracer but requires some chemical modifications to achieve a high enough tumor/liver ratio for detection of the tumor in the liver. PMID- 29204749 TI - Phosphorylation of pyridoxal 5'-phosphate enzymes: an intriguing and neglected topic. AB - Pyridoxal 5'-phosphate (PLP)-dependent enzymes catalyze a wide range of reactions of amino acids and amines, with the exception of glycogen phosphorylase which exhibits peculiar both substrate preference and chemical mechanism. They represent about 4% of the gene products in eukaryotic cells. Although structure function investigations regarding these enzymes are copious, their regulation by post-translational modifications is largely unknown. Protein phosphorylation is the most common post-translational modification fundamental in mediating diverse cellular functions. This review aims at summarizing the current knowledge on regulation of PLP enzymes by phosphorylation. Starting from the paradigmatic PLP dependent glycogen phosphorylase, the first phosphoprotein discovered, we collect data in literature regarding functional phosphorylation events of eleven PLP enzymes belonging to different fold types and discuss the impact of the modification in affecting their activity and localization as well as the implications on the pathogenesis of diseases in which many of these enzymes are involved. The pivotal question is to correlate the structural consequences of phosphorylation among PLP enzymes of different folds with the functional modifications exerted in terms of activity or conformational changes or others. Although the literature shows that the phosphorylation of PLP enzymes plays important roles in mediating diverse cellular functions, our recapitulation of clue findings in the field makes clear that there is still much to be learnt. Besides mass spectrometry-based proteomic analyses, further biochemical and structural studies on purified native proteins are imperative to fully understand and predict how phosphorylation regulates PLP enzymes and to find the relationship between addition of a phosphate moiety and physiological response. PMID- 29204750 TI - Protective Effects of Fisetin Against 6-OHDA-Induced Apoptosis by Activation of PI3K-Akt Signaling in Human Neuroblastoma SH-SY5Y Cells. AB - 6-Hydroxydopamine (6-OHDA) induces the production of reactive oxygen species (ROS) that are associated with various neurodegenerative diseases such as Parkinson's disease. 3,3',4',7-Tetrahydroxyflavone (fisetin), a plant flavonoid has a variety of physiological effects such as antioxidant activity. In this study, we investigated the molecular mechanism of the neuroprotective effects of fisetin against 6-OHDA-induced cell death in human neuroblastoma SH-SY5Y cells. 6 OHDA-mediated cell toxicity was reduced in a fisetin concentration-dependent manner. 6-OHDA-mediated elevation of the expression of the oxidative stress related genes such as hemeoxygenase-1, NAD(P)H dehydrogenase quinone 1, NF-E2 related factor 2, and gamma-glutamate-cysteine ligase modifier was suppressed by fisetin. Fisetin also lowered the ratio of the proapoptotic Bax protein and the antiapoptotic Bcl-2 protein in SH-SY5Y cells. Moreover, fisetin effectively suppressed 6-OHDA-mediated activation of caspase-3 and caspase-9, which leads to the cell death, while, 6-OHDA-induced caspase-3/7 activity was lowered. Furthermore, fisetin activated the PI3K-Akt signaling, which inhibits the caspase cascade, and fisetin-mediated inhibition of 6-OHDA-induced cell death was negated by the co-treatment with an Akt inhibitor. These results indicate that fisetin protects 6-OHDA-induced cell death by activating PI3K-Akt signaling in human neuronal SH-SY5Y cells. This is the first report that the PI3K-Akt signaling is involved in the fisetin-protected ROS-mediated neuronal cell death. PMID- 29204751 TI - Opening new avenues for plant developmental research. PMID- 29204752 TI - Monitoring circadian rhythms of individual cells in plants. AB - The circadian clock is an endogenous timing system based on the self-sustained oscillation in individual cells. These cellular circadian clocks compose a multicellular circadian system working at respective levels of tissue, organ, plant body. However, how numerous cellular clocks are coordinated within a plant has been unclear. There was little information about behavior of circadian clocks at a single-cell level due to the difficulties in monitoring circadian rhythms of individual cells in an intact plant. We developed a single-cell bioluminescence imaging system using duckweed as the plant material and succeeded in observing behavior of cellular clocks in intact plants for over a week. This imaging technique quantitatively revealed heterogeneous and independent manners of cellular clock behaviors. Furthermore, these quantitative analyses uncovered the local synchronization of cellular circadian rhythms that implied phase-attractive interactions between cellular clocks. The cell-to-cell interaction looked to be too weak to coordinate cellular clocks against their heterogeneity under constant conditions. On the other hand, under light-dark conditions, the heterogeneity of cellular clocks seemed to be corrected by cell-to-cell interactions so that cellular clocks showed a clear spatial pattern of phases at a whole plant level. Thus, it was suggested that the interactions between cellular clocks was an adaptive trait working under day-night cycles to coordinate cellular clocks in a plant body. These findings provide a novel perspective for understanding spatio temporal architectures in the plant circadian system. PMID- 29204753 TI - Phloem differentiation: an integrative model for cell specification. AB - Plant vasculature consists of two major conductive cell types, xylem tracheary elements and phloem sieve elements (SEs). Both cell types undergo a highly specialized differentiation process. The root meristem of Arabidopsis displays a stereotypical anatomy in which the central vasculature is surrounded by concentric layers of outer tissues. Each cell file is derived from stem cells located in the root tip. A series of formative and proliferative divisions take place in the meristem; these are followed by cell expansion and differentiation. Protophloem differentiation is unique in being complete only 20-25 cells away from the first stem cell, and during the differentiation process the cells lose several organelles, including the nucleus, while the remaining organelles are rearranged. Defects in SE development have been shown to result in impaired auxin transport and response and therefore systemically affect root growth. Although a few genes have been demonstrated to function in phloem development, detailed analyses and a comprehensive understanding of sieve element development (i.e. how often the stem cells divide, how frequently enucleation takes place, and how SE development is coordinated between cell division and differentiation on a molecular level) are still lacking. Advanced live-imaging techniques which enable prolonged time-lapse captures of root tip growth as well as single-cell transcriptomic analysis of the 20-25 cells in the SE file could help resolve these questions. In addition, understanding the interplay between the PLETHORA (PLT) gradient, which is known to govern the root zonation, and phloem development within the root meristem could shed light on the rapidity of SE differentiation and its importance to the meristem. PMID- 29204755 TI - Teaching Empathy: the Implementation of a Video Game into a Psychiatry Clerkship Curriculum. AB - OBJECTIVE: Empathy plays an important role for physicians, but the literature demonstrates that it often deteriorates during medical school. The purpose of this study is to investigate the use of the interactive video game "That Dragon, Cancer" as a tool to teach empathy to third-year medical students. METHODS: The authors gave a modified, Jefferson Scales of Physician Empathy (JSPE) to 84 third year medical students in their psychiatry clerkship before and after they played and completed "That Dragon, Cancer" during the 2016-2017 academic calendar year. RESULTS: The average level of empathy in the students as measured by least squares means of the answers to the truncated JSPE improved after playing through "That Dragon, Cancer" (5.7738 vs 6.2322, p < 0.0001). The majority of students agreed that learning empathy through video games was preferable and more effective than traditional didactics. CONCLUSIONS: Interactive video games such as "That Dragon, Cancer" may be useful as part of innovative curricula to improve empathy among third-year medical students. PMID- 29204756 TI - The PRITE Examinations: Background and Future Directions. PMID- 29204754 TI - The Na+/Cl--Coupled, Broad-Specific, Amino Acid Transporter SLC6A14 (ATB0,+): Emerging Roles in Multiple Diseases and Therapeutic Potential for Treatment and Diagnosis. AB - Amino acids are essential building blocks of all mammalian cells, and amino acid transporters play a vital role in transporting them into cells and their further distribution among the various cellular compartments. There are ~ 430 known transporters in the solute-linked carrier (SLC) gene family, divided into 52 distinct families. Eleven of these gene families contain one or more amino acid transporters. These transporters differ significantly from each other in terms of substrate specificity, ion dependence, and energetics. Given the variety of roles they fulfill in human physiology, it is not surprising that a number of diseases are associated with the malfunction of these transporters. In particular, as amino acids are critical for cell growth, survival, and proliferation, the role of amino acid transporters in cancer is gaining increasing attention in recent years. The present review primarily focuses on one particular amino acid transporter, SLC6A14 (also known as ATB0,+), with regard to its relevance to specific diseases, including cancer, and the molecular mechanisms underlying the disease-related alterations in the expression of the transporter. Furthermore, the review highlights the possible utility of this transporter in drug delivery and also its therapeutic potential for the treatment and diagnosis of cancer. PMID- 29204757 TI - Prevalence of comorbidities and evaluation of screening in Chinese patients with spondyloarthritis. AB - The aim of the study was to determine whether the presence of spondyloarthritis (SpA) is associated with particular comorbidities and evaluate the prevalence of comorbidities, risk factors, and monitoring status in China. Three hundred forty six patients fulfilling ASAS criteria for SpA were recruited from the Third Affiliated Hospital of Sun Yat-sen University. The prevalence of comorbidities and percentage of patients optimally monitored for comorbidities were calculated. The most frequent comorbidities were osteoporosis (31.0%) and hepatitis B virus infection (18.5%). Only 1 patient was found to have active tuberculosis. Several cancer screenings were performed in very few patients. Among 45 patients ever exposed to a biological DMARDs, 35 (77%) and 36 (80%) underwent a screening test for viral hepatitis and tuberculosis. Among patients without a history of hypertension, elevated blood pressure was detected in 5.8% of the patients. Hyperglycemia and hyperlipidemia were also found in patients during the study. One hundred twenty-two (35.3%) of the 346 patients never had either calcium or vitamin D for prevention of osteoporosis. Patients with SpA have high risks of comorbidities but have not monitored properly. More attention should be paid for systematic screening and an early detection of comorbidities in patients with SpA. PMID- 29204758 TI - Antiphospholipid antibodies, steroid dose, arterial hypertension, relapses, and late-onset predict organ damage in a population of Colombian patients with systemic lupus erythematosus. AB - Organ damage predicts mortality, increased accrual of detriment, and poor quality of life in systemic lupus erythematosus patients. The objective of this study is to determine the damage-free survival and its predictive factors in a population of Colombian subjects. The method used in this study is the retrospective follow up of a cohort; damage was measured with SLICC/ACR index. Predictors of impairment were assessed by logistic regression and survival analysis. One hundred sixty-one individuals were included; 28.9% suffered damage, primarily neuropsychiatric, renal, and vascular. Arterial hypertension, antiphospholipid antibodies, prednisone dose, and number of relapses were all predictors of detriment. Onset after age 50 and daily prednisone dose higher than 7.5 mg determined earlier occurrence of damage. PMID- 29204759 TI - Ocular manifestations of IgG4-related disease in children. More common than anticipated? Review of the literature and case report. AB - IgG4-related disease (IgG4-RD) is an entity with various clinical manifestations. Histopathologically, it is characterized by lymphoplasmacytic infiltrates enriched in IgG4 (+) plasmacytes and usually fibrosis of the affected tissue. Most of the patients have also increased IgG4 serum levels and they respond to glucocorticosteroids. In children, due to its rare occurrence, IgG4-RD is ill defined. From the published studies, so far, it appears that ocular manifestations are very common in the paediatric population with IgG4-RD. Herein, we describe a new case of a child with IgG4-RD with ocular involvement manifested with orbit and eyelid swelling, successfully treated with steroids. In addition, we review the clinical, laboratory, histopathologic and radiologic characteristics of the published paediatric cases with IgG4-RD and ocular involvement, critically comparing them with the characteristics of the adult population. It seems that ocular manifestations are more frequently observed in children than in adults. Also, the pattern of involvement is different, with extraocular muscles and soft tissues being more commonly affected than the lacrimal glands. PMID- 29204760 TI - The DETection of Arthritis in Inflammatory boweL diseases (DETAIL) questionnaire: development and preliminary testing of a new tool to screen patients with inflammatory bowel disease for the presence of spondyloarthritis. AB - To develop and to test in a preliminary way a new self-administered screening tool, called DETection of Arthritis in Inflammatory boweL diseases (DETAIL) questionnaire, in patients suffering from inflammatory bowel disease (IBD) not previously diagnosed as having a spondyloarthritis (SpA). DETAIL questionnaire was realized through the interrogation of 95 experts. They were asked to rate the importance of a list of items, derived from a review of the referral models of SpA, to detect the SpA manifestations in IBD patients. The six top-rated items composed the questionnaire, tested in IBD patients not already diagnosed having a SpA. One-hundred and twenty-eight patients were tested with the DETAIL questionnaire in the gastroenterology setting. After the rheumatologic assessment, in 21 (16.4%) subjects was diagnosed a SpA according to the Assessment of SpondyloArthritis international Society (ASAS) classification criteria. Of the six items of the DETAIL questionnaire, the best positive likelihood ratio (LR+) was found in item 2 (LR+ 3.82), exploring dactylitis, and in item 6 (LR+ 3.82) and item 5 (LR+ 3.40), two questions exploring inflammatory low back pain. Enthesitis (item 3-LR+ 2.87) and peripheral synovitis (item 1 - LR+ 2.81) gave similar results, while item 4, exploring the duration of low back pain, resulted in the worst performance (LR+ 1.99). Three of the six items answered in affirmative way gave a post-test probability >= 75%. The presence of a fibromyalgia represents a major confounder. The DETAIL questionnaire showed good screening properties that need to be confirmed in broader cohorts. PMID- 29204762 TI - Magnetic resonance imaging (MRI) of feet demonstrates subclinical inflammatory joint disease in cutaneous psoriasis patients without clinical arthritis. AB - We evaluated inflammation at the small joints of feet in psoriasis patients without clinical arthritis (PsO) as against clinically overt psoriatic arthritis (PsA) patients, using a low field magnet extremity MRI (eMRI). Patients with psoriasis recruited from dermatology and rheumatology clinics of a tertiary care institution in southern India were divided into PsO and PsA groups. Demographic and physical examination details were recorded. Consenting patients underwent non contrast eMRI of the right foot. Two trained readers scored the MRI parameters of inflammation (synovitis, tenosynovitis, osteitis) using a modification of the PsA magnetic resonance imaging score (PsAMRIS). Proportion of patients with any sign of MRI inflammation was noted. Clinical variables were compared with inflammation scores for any association. A total of 83 patients (30 PsA and 53 PsO), with 75% males and mean age of 42.2 +/- 11.6 years were included. There was no statistical difference between the median eMRI inflammatory scores in PsA and PsO patients (p = 0.493). Evidence of inflammation was present in 33.9% and 50% patients in the PsO and PsA groups, respectively. Early arthritis for psoriatic patients screening questionnaire (EARP) score of >= 3 was significantly associated with imaging features of inflammation in PsO group (p = 0.044). This study corroborates a high proportion of subclinical inflammation in small joints of foot in PsO patients, which needs to be reproduced in larger, longitudinal cohorts to predict risk factors for progression to future PsA development. PMID- 29204763 TI - Automated Segmentation and Quantification of Drusen in Fundus and Optical Coherence Tomography Images for Detection of ARMD. AB - Age-related macular degeneration (ARMD) is one of the most common retinal syndromes that occurs in elderly people. Different eye testing techniques such as fundus photography and optical coherence tomography (OCT) are used to clinically examine the ARMD-affected patients. Many researchers have worked on detecting ARMD from fundus images, few of them also worked on detecting ARMD from OCT images. However, there are only few systems that establish the correspondence between fundus and OCT images to give an accurate prediction of ARMD pathology. In this paper, we present fully automated decision support system that can automatically detect ARMD by establishing correspondence between OCT and fundus imagery. The proposed system also distinguishes between early, suspect and confirmed ARMD by correlating OCT B-scans with respective region of the fundus image. In first phase, proposed system uses different B-scan based features along with support vector machine (SVM) to detect the presence of drusens and classify it as ARMD or normal case. In case input OCT scan is classified as ARMD, region of interest from corresponding fundus image is considered for further evaluation. The analysis of fundus image is performed using contrast enhancement and adaptive thresholding to detect possible drusens from fundus image and proposed system finally classified it as early stage ARMD or advance stage ARMD. The proposed system is tested on local data set of 100 patients with100 fundus images and 6800 OCT B-scans. Proposed system detects ARMD with the accuracy, sensitivity, and specificity ratings of 98.0, 100, and 97.14%, respectively. PMID- 29204761 TI - Clinical value of systemic symptoms in IgA nephropathy with ANCA positivity. AB - Our aim was to evaluate the pathogenic role of anti-neutrophil cytoplasmic antibodies (ANCAs) in patients with IgA nephropathy (IgAN). A total of 2390 patients with biopsy-confirmed IgAN were analyzed retrospectively. Thirty-five IgAN patients with ANCA and 40 IgAN patients without ANCA were enrolled. According to the Birmingham Vasculitis Activity Score (BVAS) items, the ANCA positive patients were further divided into two subgroups which with or without systemic symptoms. The cumulative renal survival rate was calculated using Kaplan Meier analysis. Comparisons between groups were made using the log rank test. Among the 35 ANCA-positive patients, 14 (40%) had systemic symptoms. Compared with ANCA-positive patients without systemic symptoms, ANCA-positive patients with systemic symptoms had a shorter duration of disease (1.0 [IQR, 0.3-6.8] vs. 6.0 [IQR, 2.0-21.0], P = 0.011); showed worse renal function with lower levels of eGFR (24.2 [IQR, 11.7-74.9] vs. 100.1 [IQR, 59.6-130.2] mL/min/1.73 m2, P = 0.002), serum albumin (30.4 [IQR, 27.4-34.8] vs. 41.5 [IQR, 35.1-44.4] g/L, P = 0.001), and hemoglobin (96.1 +/- 21.5 vs. 118.2 +/- 22.4 g/L, P = 0.006); and presented relatively higher incidences of rapidly deteriorating kidney function (28.6 vs. 0.0%, P = 0.039) and moderate-to-severe tubular atrophy (78.6 vs. 23.8%, P = 0.001). Kaplan-Meier analysis had shown that ANCA-positive patients with systemic symptoms had lower cumulative renal survival rate compared with both ANCA-positive patients without systemic symptoms and ANCA-negative patients (log rank = 14.40, P < 0.001). Evaluation of systemic symptoms is a simple, readily available clinical tool to predictive the pathogenic role of ANCA in IgAN. PMID- 29204764 TI - Variations in the origins of the thyroid arteries on CT angiography. AB - OBJECTIVE: To investigate the anatomical variations in the origins of the thyroid arteries on CT angiography images. METHODS: The presence and the origins of the superior thyroid artery, the inferior thyroid artery, and the thyroidea ima artery were retrospectively evaluated based on carotid CT angiography examinations. The bifurcation level of the common carotid artery with respect to the cervical vertebrae and disc spaces was also determined. A total of 640 patients were included in the study. RESULTS: The right and left superior thyroid arteries arose from the external carotid artery in 413 (64.5%) and 254 (39.7%) patients, from the bifurcation of the common carotid artery in 131 (20.5%) and 148 (23.1%) patients, and from the common carotid artery in 90 (14.1%) and 226 (35.3%) patients, respectively. We could not observe the right and the left superior thyroid arteries in 6 (0.9%) and 12 (1.9%) of the patients, respectively. However, the right and left inferior thyroid arteries were not identified in 14 (2.2%) and 45 (7%) of the patients, respectively. The thyroidea ima artery was detected in 2.3% of the patients. CONCLUSION: The visualization of thyroid arteries on CT angiography images enables the anatomy of the arterial supply system of the thyroid gland to be explored in a noninvasive manner prior to surgery. PMID- 29204765 TI - Approaches to Multidimensional Health in Representations of Islamic Themes among Black Male Characters in American Film and Television. AB - Historically, representations of Islamic themes in media narratives of Black men have been characterized by personal transformations in the midst of surviving in crime-ridden inner city areas. These young Black men are usually at-risk due to their statuses as Black, economically disadvantaged men. Beginning with Malcolm X and Alex Haley's The Autobiography of Malcolm X, the Black male Islamic redemption narrative has become a common theme in Black popular culture, as it is usually supplemented with unique methods of confronting the various dimensions of health. Throughout this study, the representations of these approaches among Black men in contemporary film and television are examined throughout realms of spiritual, emotional, mental, physical, social, and vocational health. PMID- 29204766 TI - Correction to: Informing materials: drugs as tools for exploring cancer mechanisms and pathways. AB - The original version of this article unfortunately contained a mistake. Three entries are incorrect in the reference list. The corrected references are given below. PMID- 29204767 TI - Heterologous biosynthesis of triterpenoid ambrein in engineered Escherichia coli. AB - OBJECTIVES: To genetically engineer Escherichia coli for the heterologous biosynthesis of triterpenoid, ambrein, the main bioactive component of ambergris, by constituting a novel squalene-derived ambrein biosynthetic pathway in E. coli. RESULTS: The ScERG9 gene encoding the squalene synthase (SS) was integrated into the E. coli genome to generate a squalene-producing strain that supplied the central precursor squalene for the formation of cyclic triterpenoids. The mutated squalene-hopene synthase (D377C SHC) and the tetraprenyl-beta-curcumene cyclase (BmeTC) were co-expressed with SS to construct a novel ambrein biosynthetic pathway in E. coli. Ambrein was produced at 2.6 mg l-1. CONCLUSIONS: An E. coli chassis for ambrein production was constructed by combining the squalene synthesis module with the downstream cyclization module. PMID- 29204768 TI - Erratum to: Thermostability enhancement of chitosanase CsnA by fusion a family 5 carbohydrate-binding module. AB - In Table 1 as published, some of the data were wrong. The corrected Table 1 is shown here. In addition, according to the corrected Table 1, the sentence "the k cat /K m of CsnA-CBM5 was higher than that of WT by 143%" in the part of "The kinetic parameters and specific activity" in the Results part should be changed to "the k cat /K m of CsnA-CBM5 was higher than that of WT by 110%". PMID- 29204769 TI - RNA binding protein Lin28A promotes osteocarcinoma cells progression by associating with the long noncoding RNA MALAT1. AB - OBJECTIVES: To explore the effects of Lin28A on progression of osteocarcinoma (OS) cells. RESULTS: Lin28A mRNA and protein expressions were significantly increased in OS tissues compared with that in normal adjacent tissues. Expressions of Lin28A and long noncoding RNA MALAT1 were positively correlated. Patients with higher Lin28A expression had shorter overall survival. Moreover, Lin28A knockdown inhibited OS cells proliferation, migration, invasion and promoted cell apoptosis; Lin28A was found to harbor binding sites on MALAT1 sequences and associated with MALAT1, and increased MALAT1 stability and expression. Notably, the inhibition of Lin28A knockdown was attenuated or even reversed by MALAT1 overexpression. CONCLUSIONS: RNA binding protein Lin28A could facilitate OS cells progression by associating with the long noncoding RNA MALAT1. PMID- 29204770 TI - Species of family Promicromonosporaceae and family Cellulomonadeceae that produce cellulosome-like multiprotein complexes. AB - OBJECTIVES: To screen the phylogenetically-nearest members of Cellulosimicrobium cellulans for the production of cellulosome-like multienzyme complexes and extracellular beta-xylosidase activity against 7-xylosyltaxanes and to get corresponding molecular insights. RESULTS: Cellulosimicrobium (family Promicromonosporaceae) and all genera of the family Cellulomonadeceaec produced both cellulosome-like multienzyme complexes and extracellular beta-xylosidase activity, while the other genera of the family Promicromonosporaceae did not. Multiple sequence alignments further indicated that hypothetic protein M768_06655 might be a possible key subunit. CONCLUSION: This is the first report that many actinobacteria species can produce cellulosome-like multienzyme complexes. The production of cellulosome-like complexes and the extracellular beta-xylosidase activity against 7-xylosyltaxanes might be used to differentiate the genus Cellulosimicrobium from other genera of the family Promicromonosporaceae. PMID- 29204771 TI - Comparison of blood pressure monitoring by applanation tonometry and invasively assessed blood pressure in cardiological patients. AB - The aim of this study was to evaluate the accuracy and precision of non-invasive continuous blood pressure measurement by applanation tonometry (AT) in awake or anaesthetised cardiological intensive care patients. Patients suffering from highly impaired left ventricular function atrial fibrillation or severe aortic valve stenosis were included into the study. Arterial blood pressure was recorded by applanation tonometry (T-Line 400, Tensys Medical(r), USA) and an arterial line in awake or anaesthetised patients. Discrepancies in mean (MAP), systolic (SAP), and diastolic (DAP) arterial pressure between the two methods were assessed as bias, limits of agreement and percentage error respectively. In 31 patients a total of 27,900 measurements were analyzed. The concordance correlation coefficient was 0.23, 0.45 and 0.06 for MAP, SAP and DAP, respectively. For all patients bias for MAPAT compared to MAPAL was 14.96 mmHg (SAPAT 4.51 mmHg; DAPAT 19.12 mmHg) with limits of agreement for MAPAT of 46.25 and - 16.33 mm Hg (SAPAT 48.00 and - 38.98 mmHg; DAPAT 50.12 and - 11.89 mmHg). Percentage error for MAPAT was 56.8% (42.7% for SAPAT; 75.2% for DAPAT). We conclude that the AT method is not reliable in ICU patients with severe cardiac comorbidities. PMID- 29204772 TI - A stochastic tabu search algorithm to align physician schedule with patient flow. AB - In this study, we consider the pretreatment phase for cancer patients. This is defined as the period between the referral to a cancer center and the confirmation of the treatment plan. Physicians have been identified as bottlenecks in this process, and the goal is to determine a weekly cyclic schedule that improves the patient flow and shortens the pretreatment duration. High uncertainty is associated with the arrival day, profile and type of cancer of each patient. We also include physician satisfaction in the objective function. We present a MIP model for the problem and develop a tabu search algorithm, considering both deterministic and stochastic cases. Experiments show that our method compares very well to CPLEX under deterministic conditions. We describe the stochastic approach in detail and present a real application. PMID- 29204773 TI - Circumstances and causes of sudden circulatory arrests in the Dutch province of Limburg and the involvement of citizen rescuers. AB - BACKGROUND: Recently we showed that a citizen volunteer system using text message alerts improves survival of out-of-hospital sudden circulatory arrest (OHCA). It is important to characterise the OHCA population encountered by the volunteers regarding circumstances and causes of the arrests. METHODS AND RESULTS: Eligible for this study were 968 OHCAs that occurred between April 2012 and April 2014 in the Dutch province of Limburg. The distribution of causes of OHCA, patient characteristics and resuscitation settings were compared between 492 arrests wherein volunteers were notified and 476 arrests where the dispatcher decided not to do so. In case of notification, the cause of OHCA was known in 345 cases and of cardiac origin (treatable) in 83.2% (287/345). About 41% of the cardiac arrests were caused by acute or chronic coronary artery disease. OHCA occurred within the home environment in about 84%. The OHCA was witnessed in 75% of the cases. In 60.9% of the cases a witness or bystander had already started basic life support. However, in approximately 18% of the OHCAs the volunteer was the first to start basic life support before arrival of the ambulance. In about 75% of the OHCAs the ambulance arrived at 6 minutes or later after time of notification by the dispatch centre. CONCLUSION: The volunteer system is predominantly activated in situations for which it was developed; cases with cardiac aetiology (58%) and cases in the home environment (84%). The majority of patients encountered by the volunteers had 'hearts too good to die', underscoring the benefit of deploying citizen rescuers in programs to improve survival of OHCA. PMID- 29204774 TI - Percutaneous closure of a patent foramen ovale after cryptogenic stroke. AB - A patent foramen ovale is a common intracardiac finding that is located between the left and right atrium. It can cause right-to-left shunting and has a high prevalence in patients who suffer a cryptogenic stroke. Earlier trials did not show superiority of percutaneous patent foramen ovale closure with standard medical therapy over standard medical therapy alone in the treatment of cryptogenic stroke. Interestingly, several meta-analyses show positive results regarding closure, suggesting underpowering of the individual trials. Recently, two large prospective trials and one long-term follow-up study showed benefit of percutaneous closure over standard medical therapy in treatment of cryptogenic stroke. A larger right-to-left shunt or the presence of an atrial septal aneurysm were predictors for a recurrent event. Therefore, percutaneous patent foramen ovale closure after cryptogenic stroke should be recommended over antiplatelet therapy alone in patients younger than 55 years of age with a high-risk patent foramen ovale. PMID- 29204775 TI - Use of a Purse-String Suture to Reduce Skin Graft Requirements. AB - BACKGROUND: When a wound cannot be closed in a linear fashion and either a local flap or skin graft is needed, a purse-string suture can be a useful adjunct to wound closure. Local tissue architecture is maintained in cases where clear surgical margins have not been achieved at the time of extirpative skin cancer surgery. We hypothesized that this technique could be applied to a range of wound sizes and locations to avoid or reduce the need for skin grafting. METHODS: We applied a non-absorbable purse-string suture to wounds in 18 patients over a 15 month period and measured the defect size before and after application of the suture intraoperatively. Residual defects were covered with full- or split thickness skin grafts. Postoperative wound area, scar hypertrophy, partial graft loss and dehiscence following suture removal were additional outcomes. RESULTS: Ten patients achieved primary wound closure with the purse-string suture, while additional skin grafting was required in eight patients. Wounds closed primarily did not re-expand. Skin-grafted subjects had a 53.8% intraoperative wound area reduction but the skin grafts expanded during recovery, and ultimate reduction diminished to 11% on late follow-up. Wounds accounting for this late re-expansion were located on the extremities. CONCLUSIONS: Purse-string sutures are helpful for wound closure in wounds that cannot be closed primarily. They can decrease the size of a skin graft if the wound cannot be closed completely. Wound re expansion, particularly in extremity defects, may occur following early removal of the tension-bearing purse string. PMID- 29204776 TI - Implications of Hyperthermic Intraperitoneal Chemotherapy Perfusion-Related Hyperglycemia. AB - BACKGROUND: Hyperthermic intraperitoneal chemotherapy (HIPEC) administration can be associated with hyperglycemia during perfusion. Little is known about this effect, and no previous studies have examined patient characteristics associated with perfusion-related hyperglycemia. METHODS: We retrospectively identified consecutive patients at a single institution treated with HIPEC from 8/2003 to 10/2016 who had intraoperative blood glucose measured. Hypertonic 1.5% dextrose containing peritoneal dialysate was used as carrier solution in all patients. Comparisons were made using parametric [Student's t test, analysis of variance (ANOVA)], and nonparametric tests (chi 2, Kruskal-Wallis) where appropriate. RESULTS: There were 85 patients identified, with average age of 53 +/- 12 years, 69 (81%) with appendiceal or colorectal peritoneal cancer. Most patients were perfused with mitomycin C (69%) or oxaliplatin (24%). Intraoperative hyperglycemia (> 180 mg/dL) affected the majority of patients (86%), with values up to 651 mg/dL. Insulin was required for treatment in 66% of patients. Peak hyperglycemia occurred within an hour of perfusion in 91%, and resolved by postoperative day one in 91% of patients. Glucose > 309 mg/dL (highest quartile) was associated with longer operating time (p = 0.03) and with use of oxaliplatin compared with mitomycin C (p = 0.01). No association was found with other comorbidities, peritoneal carcinomatosis index score, or postoperative outcomes. CONCLUSIONS: Most patients experience hyperglycemia during HIPEC. This is not clearly associated with patient factors, and may be due to use of dextrose containing carrier solution. Since perioperative hyperglycemia has potential negative impact, use of dextrose-containing carrier solution should be questioned and is worth investigating further. PMID- 29204777 TI - Correction to: Consistent Condom Use by Female Sex Workers in Kolkata, India: Testing Theories of Economic Insecurity, Behavior Change, Life Course Vulnerability and Empowerment. AB - The original version of this article unfortunately contained an error. The authors would like to correct the error with this erratum. PMID- 29204778 TI - Conversion of Laparoscopic Adjustable Gastric Banding to Gastric Bypass: a Comparison to Primary Gastric Bypass. AB - INTRODUCTION: Laparoscopic adjustable gastric banding (LAGB) has a considerable failure rate. Laparoscopic Roux-en-Y gastric bypass (LRYGB) is one of the rescue options. This study aims to compare the complication rates and outcomes between LAGB converted to LRYGB and primary LRYGB. MATERIALS AND METHODS: A retrospective analysis was performed in all patients converted from LAGB to LRYGB between January 2007 and March 2017. This group was compared to a matched cohort of primary LRYGB patients operated during the same period. Early and late complications, weight loss, and improvement of comorbidities were analyzed. RESULTS: One hundred sixty-one revisional LRYGB patients were compared to a similar number of primary LRYGB patients. Preoperative age, gender distribution, weight, and BMI were comparable. Mean operative time was longer in the revisional group (137.7 vs. 112.7 min, respectively, P < 0.001). The overall early complication rates were comparable between the groups (7.5 vs. 11.8%, P = 0.16), including postoperative leak rate (0.62%). Follow-up of at least 6 months was attained in 78% of the patients. Revisional cases demonstrated less weight loss (61.5 vs. 73.5%EWL, respectively, P = 0.004) and slightly less improvement of comorbidities (75.0 vs. 85.7%, respectively, P = 0.09). The late complication rate was comparable (8.1 vs. 8.1%, P = 1.0). CONCLUSION: Albeit longer operating time, revision of LAGB to LRYGB is a safe procedure, with similar complication rates when compared to primary LRYGB. Although revisional LRYGB does result in less weight loss than primary LRYGB, the procedure's safety makes it a very plausible option as a rescue operation for failed LAGB. PMID- 29204779 TI - Resolution of Symptomatic Obstructive Sleep Apnea Not Impacted by Preoperative Body Mass Index, Choice of Operation Between Sleeve Gastrectomy and Roux-en-Y Gastric Bypass Surgery, or Severity. AB - BACKGROUND: Obstructive sleep apnea (OSA) is a serious obesity-associated disorder that causes significant short- and long-term medical consequences. OBJECTIVE: The objective of this study is to compare the 6-month and 1-year postoperative symptomatic OSA remission rates of patients undergoing bariatric surgery based on their preoperative body mass index (BMI) stratification, type of bariatric operation-sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB) and OSA severity. METHODS: We retrospectively analyzed 297 obese patients with a diagnosis of OSA who had undergone either SG or RYGB between 2011 and 2015. RESULTS: The overall 6-month symptomatic OSA remission rate for patients (n = 255) was 74.5%. At 6 months, patients with a preoperative BMI of 30-34.9 kg/m2 (class I), 35-39.9 kg/m2 (class II), and 40+ kg/m2 (class III) had 100, 70.0, and 75.0% (p = 0.2164) remission rates, respectively. The 6-month remission rates for SG and RYGB were 75.3 and 70.8% (p = 0.5165), respectively. The overall 1-year symptomatic OSA remission rate for patients (n = 162) was 87.1%. At 1 year, class I, II, and III patients had 100, 85.7, and 87.5% (p = 0.5740) remission rates, respectively. The 1-year remission rates for SG and RYGB were 89.2 and 81.2% (p = 0.2189), respectively. A sub-analysis (n = 69) based on preoperative OSA severity levels did not affect the remission outcome at either the 6-month (p = 0.3670) or 1-year (p = 0.3004) follow-up. CONCLUSION: Most obese patients experience symptomatic remission of their OSA after bariatric surgery, regardless of their preoperative BMI, choice of operation, or OSA severity. PMID- 29204781 TI - Fungal Communities and Functional Guilds Shift Along an Elevational Gradient in the Southern Appalachian Mountains. AB - Nitrogen deposition alters forest ecosystems particularly in high elevation, montane habitats where nitrogen deposition is greatest and continues to increase. We collected soils across an elevational (788-1940 m) gradient, encompassing both abiotic (soil chemistry) and biotic (vegetation community) gradients, at eight locations in the southern Appalachian Mountains of southwestern North Carolina and eastern Tennessee. We measured soil chemistry (total N, C, extractable PO4, soil pH, cation exchange capacity [ECEC], percent base saturation [% BS]) and dissected soil fungal communities using ITS2 metabarcode Illumina MiSeq sequencing. Total soil N, C, PO4, % BS, and pH increased with elevation and plateaued at approximately 1400 m, whereas ECEC linearly increased and C/N decreased with elevation. Fungal communities differed among locations and were correlated with all chemical variables, except PO4, whereas OTU richness increased with total N. Several ecological guilds (i.e., ectomycorrhizae, saprotrophs, plant pathogens) differed in abundance among locations; specifically, saprotroph abundance, primarily attributable to genus Mortierella, was positively correlated with elevation. Ectomycorrhizae declined with total N and soil pH and increased with total C and PO4 where plant pathogens increased with total N and decreased with total C. Our results demonstrate significant turnover in taxonomic and functional fungal groups across elevational gradients which facilitate future predictions on forest ecosystem change in the southern Appalachians as nitrogen deposition rates increase and regional temperature and precipitation regimes shift. PMID- 29204780 TI - Silver oxide nanoparticles alleviate indomethacin-induced gastric injury: a novel antiulcer agent. AB - Silver and silver oxides are gaining interest in medical applications for their prominent antibacterial and antimicrobial potentials. Recent studies suggest that nanosilver oxide has remarkable anti-inflammatory effects and enhances wound healing. Nevertheless, its effect on gastric ulcer has not yet been illustrated. Thus the current study aimed to explore the prospect protective effect of nanosilver oxide against indomethacin-induced gastric ulcer. A new approach has been followed to synthesize nanosilver oxide. X-ray diffraction, UV-Vis spectroscopy and transition electron microscope techniques have been successfully used to characterize the synthesized nanoparticles. Treatment of ulcerated rats with different doses of nanosilver oxide especially (175 and 350 ppm/p.o.) alleviated adverse effects of indomethacin-induced gastric injury as demonstrated by decreasing ulcer index and elevating % of ulcer inhibition. These positive effects excelled those exerted by the reference antiulcer drug omeprazole. Nanosilver oxide suppressed gastric inflammation by reducing myeloperoxidase, tumor necrosis alpha, interleukin 1beta and interferon gamma. Moreover, nanosilver oxide halted gastric oxidative stress via inhibiting lipid peroxidation and enhancing glutathione and paraoxonase-1. Regarding gastric apoptosis, nanosilver oxide down regulated the expression of caspase 9, tumor protein 53, and nuclear factor kappa B and allograft inflammatory factor-1 genes. These findings emphasize the antiulcerogenic potential of nanosilver oxide against indomethacin-induced gastric ulcers which are multi-factorial including anti-inflammatory, antioxidant and antiapoptotic effects. PMID- 29204782 TI - Adjusting for cross-cultural differences in computer-adaptive tests of quality of life. AB - PURPOSE: Previous studies using the WHOQOL measures have demonstrated that the relationship between individual items and the underlying quality of life (QoL) construct may differ between cultures. If unaccounted for, these differing relationships can lead to measurement bias which, in turn, can undermine the reliability of results. METHODS: We used item response theory (IRT) to assess differential item functioning (DIF) in WHOQOL data from diverse language versions collected in UK, Zimbabwe, Russia, and India (total N = 1332). Data were fitted to the partial credit 'Rasch' model. We used four item banks previously derived from the WHOQOL-100 measure, which provided excellent measurement for physical, psychological, social, and environmental quality of life domains (40 items overall). Cross-cultural differential item functioning was assessed using analysis of variance for item residuals and post hoc Tukey tests. Simulated computer-adaptive tests (CATs) were conducted to assess the efficiency and precision of the four items banks. RESULTS: Splitting item parameters by DIF results in four linked item banks without DIF or other breaches of IRT model assumptions. Simulated CATs were more precise and efficient than longer paper based alternatives. DISCUSSION: Assessing differential item functioning using item response theory can identify measurement invariance between cultures which, if uncontrolled, may undermine accurate comparisons in computer-adaptive testing assessments of QoL. We demonstrate how compensating for DIF using item anchoring allowed data from all four countries to be compared on a common metric, thus facilitating assessments which were both sensitive to cultural nuance and comparable between countries. PMID- 29204783 TI - The impact of rehabilitative interventions on quality of life: a qualitative evidence synthesis of personal experiences of individuals with amyotrophic lateral sclerosis. AB - BACKGROUND: The nature of amyotrophic lateral sclerosis (ALS) is progressive and degenerative, thus influencing individuals physically, emotionally, and socially. A broad review of qualitative studies that describe the personal experiences of people with ALS with physiotherapy, occupational therapy and speech and language pathology interventions, and how those affect QoL is warranted. PURPOSE: This study synthesizes qualitative research regarding the potential that rehabilitation interventions have to maintain and/or improve QoL from the perspective of people with ALS. METHODS: The SPIDER search strategy was applied and five articles met inclusion criteria addressing the perceived impact of rehabilitation on QoL for individuals with ALS. RESULTS: Four themes emerged: the concept of control; adapting interventions to disease stage; struggles with interventions; and barriers between healthcare providers and patients. CONCLUSIONS: Rehabilitation interventions were perceived to have potential to support QoL by people with ALS. Advantages and limitations of rehabilitation services within this population were identified. PMID- 29204784 TI - Long-term quality of life changes after primary septorhinoplasty. AB - PURPOSE: Health-related quality of life measurements are gaining in importance in clinical medicine. Little is known about the long-term quality of life changes after septorhinoplasty. This study was designed to analyse the long-term quality of life impacts of septorhinoplasty, using disease-specific instruments rhinoplasty outcome evaluation (ROE) and Functional Rhinoplasty Outcome Inventory 17 (FROI-17); as well as a generic instrument-Short-Form 36 Health Survey (SF 36). METHODS: Patients completed the FROI-17, the ROE and the SF-36 preoperatively and at 12 and 60 months postoperatively. General demographic and clinical information (age, gender, allergies, medication, medical and surgical history) were collected from all patients. RESULTS: We report a significant increase in disease-specific QOL after primary septorhinoplasty (as measured with the ROE & FROI-17) and in two scales of the SF-36 generic instrument (role functioning physical and mental health) 1 year after surgery. Our patients showed further significant increase in disease-specific QOL (FROI-17) after their primary septorhinoplasty (1 year vs. 5 years postoperatively). SF-36 results showed significant improvements 5 years postoperatively (compared to preoperative scores) in six out of eight scales (physical functioning, role-functioning physical, bodily pain, vitality, social functioning and mental health). CONCLUSION: Septorhinoplasty can improve disease-specific and non-disease specific QOL in the short- and long-term postoperative period. These improvements remain measurable 5 years after surgery. PMID- 29204786 TI - The Influence of Comprehensive Cardiac Rehabilitation on Heart Rate Variability Indices after CABG is More Effective than after PCI. AB - The aim of this study was to evaluate the influence of cardiac rehabilitation (CR) on heart rate variability (HRV) indices in men with coronary artery disease (CAD) treated with percutaneous coronary intervention (PCI) or coronary artery bypass graft surgery (CABG). The study population consisted of 131 male patients with CAD prospectively and consecutively admitted to CR after PCI n = 72, or CABG n = 59. Participants performed cycle ergometer interval training for 45 min three times a week for 8 weeks. At baseline and after 8 weeks, all patients underwent the HRV assessment. HRV indices in CAGB survivals were significantly lower in comparison to PCI patients at baseline. Significant increases were seen for SDNN, rMSSD, and HF in the CABG group and only in HF component in PCI group after 8 weeks of CR. Eight weeks of CR seems to be more effective in CABG patients than patients after PCI. PMID- 29204785 TI - Quality of life of French Canadian parents raising a child with autism spectrum disorder and effects of psychosocial factors. AB - PURPOSE: This study aimed to investigate the quality of life of parents of a child with autism spectrum disorder in Quebec. METHODS: Seventy-seven participants completed a questionnaire with socio-biographic information and five self-assessed scales, to measure perceived stress, social support and control, coping strategies, and quality of life. RESULTS: Perception of their child's autonomy level, of the severity of the disorder, of the family's income, as well as changes in their professional or familial organization influenced parents' quality of life. Perceiving their situation as a threat predicted poor quality of life, whereas satisfaction of social support predicted good quality of life. In addition, parents who used problem solving and support-seeking coping strategies had a better relationship with their child, whereas those who used more emotion centered coping strategies struggled. Lastly, parents who felt they had the power to contribute to their child's development were more satisfied and less disturbed. CONCLUSIONS: Beyond the parents' actual situation, our results underscore the importance of paying attention to their own perception of the situation in order to provide them with appropriate support. PMID- 29204788 TI - Modeling Drug Disposition and Drug-Drug Interactions Through Hypothesis-Driven Physiologically Based Pharmacokinetics: a Reversal Translation Perspective. PMID- 29204787 TI - The complete genome sequence of a third distinct baculovirus isolated from the true armyworm, Mythimna unipuncta, contains two copies of the lef-7 gene. AB - A baculovirus isolate from a USDA Forest Service collection was characterized by electron microscopy and analysis of its genome sequence. The isolate, formerly referred to as Pseudoletia (Mythimna) sp. nucleopolyhedrovirus #7 (MyspNPV#7), was determined by barcoding PCR to derive from the host species Mythimna unipuncta (true armyworm) and was renamed Mythimna unipuncta nucleopolyhedrovirus #7 (MyunNPV#7). The occlusion bodies (OBs) and virions exhibited a size and morphology typical for OBs produced by the species of genus Alphabaculovirus, with occlusion-derived virions consisting of 2-5 nucleocapsids within a single envelope. The MyunNPV#7 genome was determined to be 148,482 bp with a 48.58% G+C nucleotide distribution. A total of 159 ORFs of 150 bp or larger were annotated in the genome sequence, including the 38 core genes of family Baculoviridae. The genome contained six homologous repeat regions (hrs) consisting of multiple copies of a 34-bp imperfect palindrome. Phylogenetic inference from concatenated baculovirus core gene amino acid sequence alignments placed MyunNPV#7 with group II alphabaculoviruses isolated from other armyworm and cutworm host species of lepidopteran family Noctuidae. MyunNPV#7 could be distinguished from other viruses in this group on the basis of differences in gene content and order. Pairwise nucleotide distances suggested that MyunNPV#7 represents a distinct species in Alphabaculovirus. The MyunNPV#7 genome was found to contain two copies of the late expression factor-7 (lef-7) gene, a feature not reported for any other baculovirus genome to date. Both copies of lef-7 encoded an F-box domain, which is required for the function of LEF-7 in baculovirus DNA replication. PMID- 29204789 TI - A Preliminary Study on Precision Image Guidance for Electrode Placement in an EEG Study. AB - Conventional methods for positioning electroencephalography electrodes according to the international 10/20 system are based on the manual identification of the principal 10/20 landmarks via visual inspection and palpation, inducing intersession variations in their determined locations due to structural ambiguity or poor visibility. To address the variation issue, we propose an image guidance system for precision electrode placement. Following the electrode placement according to the 10/20 system, affixed electrodes are laser-scanned together with the facial surface. For subsequent procedures, the laser scan is conducted likewise after positioning the electrodes in an arbitrary manner, and following the measurement of fiducial electrode locations, frame matching is performed to determine a transformation from the coordinate frame of the position tracker to that of the laser-scanned image. Finally, by registering the intra-procedural scan of the facial surface to the reference scan, the current tracking data of the electrodes can be visualized relative to the reference goal positions without manually measuring the four principal landmarks for each trial. The experimental results confirmed that use of the electrode navigation system significantly improved the electrode placement precision compared to the conventional 10/20 system (p < 0.005). The proposed system showed the possibility of precise image guided electrode placement as an alternative to the conventional manual 10/20 system. PMID- 29204791 TI - Correction to: Taxonomic resolution and functional traits in the analysis of tropical oribatid mite assemblages. AB - Due to an unfortunate turn of events, the statistical results for TS1 (F- and p values) in Table 4 were displayed in reversed order. The correct representation of Table 4 is published here and should be treated as definitive. PMID- 29204790 TI - Cytoplasmic expression of Twist1, an EMT-related transcription factor, is associated with higher grades renal cell carcinomas and worse progression-free survival in clear cell renal cell carcinoma. AB - Twist1 is a key transcription factor, which confers tumor cells with cancer stem cell (CSC)-like characteristics and enhances epithelial-mesenchymal transition in pathological conditions including tumor malignancy and metastasis. This study aimed to evaluate the expression patterns and clinical significance of Twist1 in renal cell carcinoma (RCC). The cytoplasmic and nuclear expression of Twist1 were examined in 252 well-defined renal tumor tissues, including 173 (68.7%) clear cell renal cell carcinomas (ccRCC), 45 (17.9%) papillary renal cell carcinomas (pRCC) and 34 (13.5%) chromophobe renal cell carcinoma, by immunohistochemistry on a tissue microarray. The association between expression of this marker and clinicopathologic parameters and survival outcomes were then analyzed. Twist1 was mainly localized to the cytoplasm of tumor cells (98.8%). Increased cytoplasmic expression of Twist1 was associated with higher grade tumors (P = 0.045), renal vein invasion (P = 0.031) and microvascular invasion (P = 0.044) in RCC. It was positively correlated with higher grade tumors (P = 0.026), shorter progression free survival time (P = 0.027) in patients with ccRCC, and also with higher stage in pRCC patients (P = 0.036). Significantly higher cytoplasmic expression levels of Twist1 were found in ccRCC and pRCC subtypes, due to their more aggressive tumor behavior. Increased cytoplasmic expression of Twist1 had a critical role in worse prognosis in ccRCC. These findings suggest that cytoplasmic, rather than nuclear expression of Twist1 can be considered as a prognostic and therapeutic marker for targeted therapy of RCC, especially for ccRCC patients. PMID- 29204793 TI - The Quantificational Domain of dou: An Experimental Study. AB - Which NP does all associate with in e.g. "The pandas, the children all saw"-the pandas, the children, or both? The intuition of adult Mandarin Chinese native speakers regarding the interpretation of the adverbial quantifier dou 'all' remains unclear and controversial, and various incommensurate theories of domain selection have been proposed. These studies may have failed to yield clear results because they used testing materials in which the interpretation of dou is confounded with other principles of NP interpretation (e.g. zhexie xiaohai 'these children' is truth-functionally synonymous with 'all these children'). To address these concerns, we present the first set of experimental studies on adult knowledge and use of syntactic constraints on the quantifier domain of dou. The results support the hypothesis that dou can take one and only one c-commanding NP as its domain, but falsify interesting theoretical accounts that assume a strict locality constraint on dou quantification. PMID- 29204794 TI - Thoracic aortic aneurysm: unlocking the "silent killer" secrets. AB - Thoracic aortic aneurysm (TAA) is an increasingly recognized condition that is often diagnosed incidentally. This review discusses ten of the most relevant epidemiological and clinical secrets of this disease; (1) the difference in pathogenesis between ascending and descending TAAs. TAAs at these two sites act as different diseases, which is related to the different embryologic origins of the ascending and descending aorta. (2) The familial pattern and genetics of thoracic aneurysms. Syndromic TAAs only explain 5% of the pattern of inheritance. (3) The effect of female sex on TAA growth and outcome. Females have been found to have worse outcomes compared to males. (4) Guilt by Association. TAAs are associated with abdominal aortic aneurysms, intracranial aneurysms, bicuspid aortic valve, and inflammatory disorders. (5) Natural history of TAAs. Important findings have been made regarding the expansion rate (in relation to familial pattern, location and size), and also regarding the risk of rupture or dissection. (6) The aortic size paradox. Size only is not a sufficient predictor of risk of dissection. (7) Biomarker void. Although many serum biomarkers have been studied, imaging remains the only reliable method for diagnosis and follow up. (8) Indications for repair. Decisions are made depending on symptoms, location, size, and familial patterns. (9) Types of repair. Both open and endovascular repair options are available for certain TAAs. (10) Medical treatment. The efficacy of prescribing beta blockers, angiotensin converting enzyme inhibitors or angiotensin receptor blockers remains dubious. PMID- 29204792 TI - Possible Balancing Selection in Human Female Homosexuality. AB - A growing number of researchers suggest that female homosexuality is at least in part influenced by genetic factors. Unlike for male homosexuality, few familial studies have attempted to explore maintenance of this apparently fitness detrimental trait in the population. Using multiple recruitment methods, we explored fecundity and sexual orientation within the pedigrees of 1,458 adult female respondents. We compared 487 homosexual and 163 bisexual with 808 heterosexual females and 30,203 of their relatives. Our data suggest that the direct fitness of homosexual females is four times lower than the direct fitness of heterosexual females of corresponding ages. The prevalence of nonheterosexuality within the homosexual female respondents' families (2.83%) appear to be more than four times higher than the basal prevalence in the Italian population (0.63%). Pedigree size and relative fecundity in both the paternal and maternal sides of the homosexual women's families were significantly higher than in the heterosexuals' families. If confirmed, the relative average fecundity increase within the family seems to offset the loss in fitness due to the low direct fitness of homosexual females. Therefore, the balanced fecundity in the homosexual females' families may allow the trait to be maintained at a low frequency equilibrium in the population. PMID- 29204795 TI - Inferring Gene Regulatory Networks Based on a Hybrid Parallel Genetic Algorithm and the Threshold Restriction Method. AB - Inferring gene regulatory networks (GRNs) is a challenging computational task in system biology. Many inference algorithms have been proposed along with related modifications to various problems. Every algorithm has its own advantages and drawbacks. In particular, the efficiency of each algorithm is not as good as people expect. A novel inference algorithm is proposed in this paper that can be divided into two parts. In the first part, the pre-computational part, two tasks must be accomplished: singular value decomposition for solution space determination and the threshold restriction method for redundant edge deletion. The second part of the algorithm is a hybrid parallel genetic algorithm. In this part, a parallel genetic algorithm is used for a first quick search, after which hill climbing is used for an exact search. The proposed algorithm is validated on both melanoma and type II diabetes GRNs and is compared with other algorithms. The efficiency of our algorithm was tested with different numbers of echoes and nodes. The cross-validation results confirmed the effectiveness of our algorithm, which significantly outperforms other algorithms. PMID- 29204797 TI - Prevention of Renal Scarring in Acute Pyelonephritis by Probiotic Therapy: an Experimental Study. AB - We evaluated the protective effects of probiotic administration as a prophylaxis treatment and immediately after fever onset in increasing the immune response and decreasing the renal scarring in a rat model of acute pyelonephritis. Twenty-four rats were apportioned to three groups. In GI (n = 8), the rats were injected with direct inoculation of Escherichia coli into the right kidney. In GII (n = 8), the rats received a probiotic regimen 1 month before E. coli injection and the probiotic regimen was continued for the next 2 months. In GIII (n = 8), the probiotic regimen was started just after E. coli injection and was continued for 2 months. Technetium-99m-DMSA renal scan, histopathological evaluations, concentrations of CA19-9, IgA, blood urea nitrogen (BUN), and creatinine were assessed 1 and 2 months post-injection. It took an average of 4.2 +/- 1.1 h between the injection and onset of fever in GI and GII. In GIII, this period was longer (7.5 +/- 1.4). Probiotic administration resulted in reduction of interstitial fibrosis and tubular and glomerular atrophy in GII in all follow ups. Technetium-99m-DMSA renal scan showed that the right kidney reached near the normal cortical integrity (47%) in GII compared to GI (32%) after 2 months of injection. However, the renal integrity did not improve significantly in GIII (41%). In GII, CA19-9 was lower (p < 0.05), while the levels of serum and fecal IgA were higher (p < 0.05). Administration of the probiotic regimen in the rat model may decrease renal damage in pyelonephritis. In spite of better results in the prophylactic group compared to the treatment group, no strong evidence was found to prove the advantage of its prophylactic application over the treatment administration. PMID- 29204796 TI - Identifying Effective Components of Child Maltreatment Interventions: A Meta analysis. AB - There is a lack of knowledge about specific components that make interventions effective in preventing or reducing child maltreatment. The aim of the present meta-analysis was to increase this knowledge by summarizing findings on effects of interventions for child maltreatment and by examining potential moderators of this effect, such as intervention components and study characteristics. Identifying effective components is essential for developing or improving child maltreatment interventions. A literature search yielded 121 independent studies (N = 39,044) examining the effects of interventions for preventing or reducing child maltreatment. From these studies, 352 effect sizes were extracted. The overall effect size was significant and small in magnitude for both preventive interventions (d = 0.26, p < .001) and curative interventions (d = 0.36, p < .001). Cognitive behavioral therapy, home visitation, parent training, family based/multisystemic, substance abuse, and combined interventions were effective in preventing and/or reducing child maltreatment. For preventive interventions, larger effect sizes were found for short-term interventions (0-6 months), interventions focusing on increasing self-confidence of parents, and interventions delivered by professionals only. Further, effect sizes of preventive interventions increased as follow-up duration increased, which may indicate a sleeper effect of preventive interventions. For curative interventions, larger effect sizes were found for interventions focusing on improving parenting skills and interventions providing social and/or emotional support. Interventions can be effective in preventing or reducing child maltreatment. Theoretical and practical implications are discussed. PMID- 29204799 TI - Dorsomedial prefrontal cortex 5-HT6 receptors regulate anxiety-like behavior. AB - The dorsomedial prefrontal cortex (dmPFC) plays a very important role in decision related and anxiety-related information processing. It has enriched 5-HT6 receptors; however, the precise role of dmPFC 5-HT6 receptors in anxiety remains to be fully investigated. In this study, we injected dmPFC with the 5-HT6 receptor agonist EMD 386088 and antagonist SB 271046 using stereotactic technology. 5-HT6 receptor activation in mice increased time spent in the center area on the open-field test, increased exploration of the open arms on the elevated plus maze test, and increased ratio on the social interaction test. 5 HT6 receptor inactivation induced the opposite effects. In brain slices, EMD 386088 decreased both spontaneous inhibitory postsynaptic currents (sIPSC) and spontaneous excitatory postsynaptic currents (sEPSC), while SB 271046 only increased sEPSC. These effects of EMD 386088 and SB 271046 could be reversed by the GABAA receptor antagonist bicuculline (BMI) and positive allosteric modulator clonazepam (CLZ), respectively. Our results suggest that neurotransmission in the dmPFC by 5-HT6 receptor activation and inhibition may play an important role in anxiety-like behavior, and may provide new insight into the pathological mechanism and potential target of anxiety disorders. PMID- 29204798 TI - Predicting risk decisions in a modified Balloon Analogue Risk Task: Conventional and single-trial ERP analyses. AB - Event-related potential (ERP) has the potential to reveal the temporal neurophysiological dynamics of risk decision-making, but this potential has not been fully explored in previous studies. When predicting risk decision with ERPs, most studies focus on between-trial analysis that reflects feedback learning, while within-trial analysis that could directly link option assessment with behavioral output has been largely ignored. Suitable task design is crucial for applying within-trial prediction. In this study, we used a modified version of the classic Balloon Analogue Risk Task (BART). In each trial of the task, participants made multiple rounds of decisions between a risky option (pump up the balloon) and a safe option (cash out). Behavioral results show that as the level of economic risk increased, participants were less willing to make a risky decision and also needed a longer response time to do so. In general, the ERP results showed distinct characteristics compared with previous findings based on between-trial prediction, particularly about the role of the P1 component. Specifically, both the P1 (amplitude and latency) and P3 (amplitude) components evoked by current outcomes predicted subsequent decisions. We suggest that these findings indicate the importance of selective attention (indexed by the P1) and motivational functions (indexed by the P3), which may help clarify the cognitive mechanism of risk decision-making. The theoretical significance of these findings is discussed. PMID- 29204801 TI - IMPS 2017: Business Meeting Minutes : University of Zurich, Room KO2-F-180, Zurich, Switzerland, July 20, 2017. PMID- 29204800 TI - Hospital pharmacists' perceived beliefs and responsibilities in indication-based off-label prescribing. AB - Background Off-label prescribing is prevalent in healthcare. There is a lack of understanding of pharmacists' attitudes toward the practice of off-label prescribing, especially those that are prescribed for other indications than approved ones (termed as indication-based off-label prescribing). Objective Explore hospital pharmacists' attitudes toward and perceived responsibility in off-label and indication-based off-label prescribing in hospital pharmacy practice. Setting Pharmacists practicing in hospitals in the United States were investigated. Method Pharmacists were contacted via email through State affiliates of the American Society of Health-System Pharmacist. The survey described an indication-based off-label medication order for a hospitalized patient and the prescribing physician. Data were collected via Qualtrics. Main outcome measure Questions focused on awareness, beliefs, and responsibility including, risk assessment and monitoring outcomes-related to off-label and indication-based offlabel prescribing. Results Of 107 pharmacist respondents, about 79% and 98% reported being familiar with offlabel and indication-based off label prescribing, respectively. While 77.6% pharmacists believed that patients should be informed, only 37.4% agreed that they had responsibility of informing physicians; presence of policy was associated (p < 0.02) with pharmacist agreeing to inform physicians. Over 70% agreed that patients should be closely monitored for outcomes and 43.1% believed physicians had predominant responsibility of monitoring outcomes. Conclusion Pharmacists' perceived responsibility and beliefs regarding off-label prescribing are insightful that can be utilized for improving patient care. PMID- 29204802 TI - Direct Schmid-Leiman Transformations and Rank-Deficient Loadings Matrices. AB - The Schmid-Leiman (S-L; Psychometrika 22: 53-61, 1957) transformation is a popular method for conducting exploratory bifactor analysis that has been used in hundreds of studies of individual differences variables. To perform a two-level S L transformation, it is generally believed that two separate factor analyses are required: a first-level analysis in which k obliquely rotated factors are extracted from an observed-variable correlation matrix, and a second-level analysis in which a general factor is extracted from the correlations of the first-level factors. In this article, I demonstrate that the S-L loadings matrix is necessarily rank deficient. I then show how this feature of the S-L transformation can be used to obtain a direct S-L solution from an unrotated first-level factor structure. Next, I reanalyze two examples from Mansolf and Reise (Multivar Behav Res 51: 698-717, 2016) to illustrate the utility of 'best fitting' S-L rotations when gauging the ability of hierarchical factor models to recover known bifactor structures. Finally, I show how to compute direct bifactor solutions for non-hierarchical bifactor structures. An online supplement includes R code to reproduce all of the analyses that are reported in the article. PMID- 29204803 TI - DOCK2 Deficiency in a Patient with Hyper IgM Phenotype. PMID- 29204804 TI - Influence of preoptic estradiol on behavioral and neural response to cocaine in female Sprague-Dawley rats. AB - RATIONALE: Systemic estradiol (E2) increases the behavioral and neural response to cocaine. Where in the brain E2 acts to modulate cocaine response is not entirely clear. Evidence supports a role in this modulation for several candidate regions, including the medial preoptic area (mPOA). OBJECTIVES: This study examined whether manipulation of E2 in the mPOA modulates differing behavioral responses to cocaine and whether this is reflected in differing levels of c-Fos in the NAc following cocaine administration. METHODS: Female rats received ovariectomies and bilateral cannulations of the mPOA. They then received either artificial cerebrospinal fluid (aCSF) or E2 microinjections into the mPOA the day before receiving systemic injections of saline or cocaine (5 or 10 mg/kg). Conditioned-place preference (CPP) to cocaine and locomotor activation were then obtained. RESULTS: Animals receiving 10 mg/kg, but not 5 mg/kg, cocaine developed significant CPP, and those receiving E2 into the mPOA expressed greater CPP than those receiving microinjections of only aCSF at both doses (p < 0.05, d > 0.80). Cocaine also caused significant psychomotor activation, but this was not dependent on microinjection of E2 in the mPOA. Finally, animals that received cocaine had increased NAc core and shell c-Fos relative to animals that received saline, with animals receiving both E2 microinjections and systemic cocaine expressing the highest activation in the caudal NAc, compared to rats receiving aCSF microinjections and systemic cocaine (p = 0.05, d = 0.70). CONCLUSIONS: These results indicate that E2 in the mPOA facilitates the behavioral response and neural activation that follows cocaine administration. Furthermore, they confirm the close relationship between the mPOA and cocaine response. PMID- 29204806 TI - Promotion of Healthy Humor Cancer Education Messages for the Deaf Community. AB - The Deaf community members of this community-campus partnership identified the lack of health information in American Sign Language (ASL) as a significant barrier to increasing the Deaf community's health knowledge. Studies have shown that the delivery of health messages in ASL increased Deaf study participants' cancer knowledge. Once health messages are available on the Internet, strategies are needed to attract viewers to the website and to make repeat visits in order to promote widespread knowledge gains. This feasibility study used the entertainment-education strategy of coupling cancer information with jokes in ASL to increase the appeal and impact of the health messages. ASL-delivered cancer control messages coupled with Deaf-friendly jokes were shown to 62 Deaf participants. Participants completed knowledge questionnaires before, immediately after, and 1 week after viewing the paired videos. Participants' health knowledge statistically significantly increased after viewing the paired videos and the gain was retained 1 week later. Participants also reported sharing the newly acquired information with others. Statistically significant results were demonstrated across nearly all measures, including a sustained increase in cancer information-seeking behavior and intent to improve health habits. Most participants reported that they would be motivated to return to such a website and refer others to it, provided that it was regularly updated with new jokes. PMID- 29204805 TI - The Epidemiology of Depressive Symptoms and Poor Sleep: Findings from the English Longitudinal Study of Ageing (ELSA). AB - PURPOSE: The reasons for the comorbidity between depressed mood and poor sleep are not well understood. METHOD: Participants were 5172 adults aged 50 years and older from the English Longitudinal Study of Ageing. Sleep was measured via self report and depressive symptoms using the Centre for Epidemiological Studies Depression scale. RESULTS: Greater depressive symptoms and sleep complaints were associated with female sex, non-cohabitation, relative poverty, smoking, infrequent physical activity, infrequent alcohol consumption, higher body mass index (BMI), diagnosis of hypertension, coronary heart disease, diabetes/high blood glucose, pulmonary disease, arthritis, and higher levels of fibrinogen and C-reactive protein (all p < 0.05). At a 4-year follow-up, depressive symptoms and sleep complaints were both predicted by baseline depressive symptoms and sleep complaints, relative poverty, smoking, physical inactivity, BMI, and arthritis (all p < 0.05). CONCLUSION: Depressive symptoms and sleep complaints share a range of correlates cross-sectionally and prospectively. These findings highlight the common comorbidity between depressive symptoms and sleep complaints underscoring the need for further research to understand their combined detrimental effect on long-term health and wellbeing. PMID- 29204807 TI - Analysis of fMRI data using noise-diffusion network models: a new covariance coding perspective. AB - Since the middle of the 1990s, studies of resting-state fMRI/BOLD data have explored the correlation patterns of activity across the whole brain, which is referred to as functional connectivity (FC). Among the many methods that have been developed to interpret FC, a recently proposed model-based approach describes the propagation of fluctuating BOLD activity within the recurrently connected brain network by inferring the effective connectivity (EC). In this model, EC quantifies the strengths of directional interactions between brain regions, viewed from the proxy of BOLD activity. In addition, the tuning procedure for the model provides estimates for the local variability (input variances) to explain how the observed FC is generated. Generalizing, the network dynamics can be studied in the context of an input-output mapping-determined by EC-for the second-order statistics of fluctuating nodal activities. The present paper focuses on the following detection paradigm: observing output covariances, how discriminative is the (estimated) network model with respect to various input covariance patterns? An application with the model fitted to experimental fMRI data-movie viewing versus resting state-illustrates that changes in local variability and changes in brain coordination go hand in hand. PMID- 29204808 TI - Implementing a Virtual Health Telemedicine Program in a Community Setting. AB - Aurora Health Care in eastern Wisconsin has a clinical genetics program driven by genetic counselors in the cancer/adult and prenatal genetics settings. In 2015, the workforce shortage of genetic counselors left us with 4 open positions for genetic counselors that we were unable to fill. We explored many models of alternative service delivery, and determined virtual health (VH) via telemedicine to be the best option for our system. Historically, telemedicine technologies have been used to provide access to healthcare services to patients in remote areas. We, however, were struggling to find genetics counselors to staff both our remote clinics and urban clinics. To solve this problem, we recruited genetic counselors from across the country to work remotely from their current home or home office utilizing VH to staff our clinics. We then created clinical workflows and an implementation process of virtual health for 9 prenatal and cancer clinics across the eastern Wisconsin footprint of our healthcare system over the course of 12 months. Here we provide our experience and process in establishing a VH program in order to help other institutions that have been affected by the workforce shortage of clinical genetics professionals. PMID- 29204809 TI - Genesurance Counseling: Genetic Counselors' Roles and Responsibilities in Regards to Genetic Insurance and Financial Topics. AB - While traditional components of genetic counseling sessions are well recognized, less is known about insurance and financial discussions. This study sought to examine "genesurance counseling" which we defined as: that portion of a genetic counseling session, whether intentional or non-intentional, that is devoted to the topic of costs and insurance/third party coverage (particularly for genetic testing). Our objective was to assess genetic counselors' practices and perspective related to genesurance counseling. A survey link was sent by e-mail to members of the National Society of Genetic Counselors (approximately 3100 NSGC members). A total of 571 genetic counselors participated in the survey of which 550 identified as clinical genetic counselors. Survey data were used to investigate differences between specialties, impact on patient rapport, changes in practice dynamics, and devotion of clinic time. Overwhelmingly, 99% of participants acknowledged conducting genesurance counseling, 87% believed it to be part of their job description, and 85% viewed it as an important aspect of genetic counseling. On average, respondents estimated they devoted 10% of their session, or 6 min, to genesurance counseling. Of the surveyed participants, 95% reported genesurance counseling as having some form of influence in a patient's decision regarding genetic testing, and 74% stated that genesurance counseling concerns change the practice and dynamic of their clinic. "Genesurance counseling" is not a topic which has been studied to date. Our study highlights the changes in genetic counselors' roles and responsibilities regarding insurance and financial counseling. PMID- 29204810 TI - High-Risk Palliative Care Patients' Knowledge and Attitudes about Hereditary Cancer Testing and DNA Banking. AB - Even at the end of life, testing cancer patients for inherited susceptibility may provide life-saving information to their relatives. Prior research suggests palliative care inpatients have suboptimal understanding of genetic importance, and testing may be underutilized in this clinical setting. These conclusions are based on limited research. This study aimed to estimate genetic testing prevalence among high-risk palliative care patients in a National Cancer Institute-designated comprehensive cancer center. We also aimed to understand these patients' understanding of, and attitudes toward, hereditary cancer testing and DNA banking. Palliative care in-patients with cancer completed structured interviews, and their medical records were reviewed. Among patients at high risk for hereditary cancer, we assessed history of genetic testing/DNA banking; and related knowledge and attitudes. Among 24 high-risk patients, 14 (58.3%) said they/their relatives had genetic testing or they had been referred for a genetics consultation. Of the remaining 10 patients, seven (70%) said they would "probably" or "definitely" get tested. Patients who had not had testing were least concerned about the impact of future testing on their family relationships; two (20%) said they were "extremely concerned" about privacy related to genetic testing. Of patients without prior testing, five (50%) said they had heard or read "a fair amount" about genetic testing. No high-risk patients had banked DNA. Overall, 23 (95.8%) said they had heard or read "almost nothing" or "relatively little" about DNA banking. Written materials and clinician discussion were most preferred ways to learn about genetic testing and DNA banking. Overall, this study demonstrates underutilization of genetics services at the end of life continues to be problematic, despite high patient interest. PMID- 29204811 TI - Impact of a Patient-Facing Enhanced Genomic Results Report to Improve Understanding, Engagement, and Communication. AB - : "The objective of this study was to" test the effectiveness of an enhanced genomic report on patient-centered outcome domains including communication, engagement and satisfaction. "Study design utilized" a prospective, randomized, mixed-methods desctiptive study of a whole genome sequencing results report, GenomeCOMPASSTM, that was accessed by providers through the electronic health record and by patients through the associated patient portal. "The study was set in" an integrated healthcare delivery system in central Pennsylvania. "Eighty four" parents of 46 children with undiagnosed Intellectual Disability, Autism Spectrum Disorder and/or multiple congenital anomalies who had participated in a previous study offering whole genome sequencing for their affected child were invited to enroll. Fifty-two parents enrolled. Following a traditional genetics results informing visit, the study coordinator stratified families by diagnostic result and uninformative result and then randomized families within each group to an intervention arm to receive the GenomeCOMPASSTM report or to the usual care arm to receive a summary letter from the medical geneticist. A letter inviting enrollment included a baseline survey, which once returned, constituted enrollment. Surveys were administered at 3 months post-genetics visit. At 6 months, the usual care arm crossed over to receive the intervention and were administered an additional survey at 3 months. Qualitative interviews were conducted following survey completion to augment the survey data regarding the patient centered outcomes of interest. Patient reported outcomes including communication, engagement, empowerment and satisfaction. In the intervention arm, GenomeCOMPASSTM reports were released to 14 families (N = 28 parents) and of those 21 (75%) returned 3 month surveys. In the usual care arm, 12 families (N = 24 parents) received usual care summary letters and of those 20 (83%) returned 3 month surveys. At crossover, GenomeCOMPASSTM reports were released to 20 individuals and 15 (75%) returned 3 month surveys. Qualitative interviews were conducted with 5 individuals. Use of the GenomeCOMPASSTM report was reported by this small group of parents to improve communication with providers and non health professionals such as educators and therapists and led to increased engagement and high satisfaction. Providers and others involved in the children's care also endorsed the report's effectiveness. Reports that addressed negative findings, i.e. uninformative results, were not found to be useful. Although the number of users was small, this study supports that customizable template reports may provide a useful and durable source of information that can support and enhance the information provided by genetics professionals in traditional face-to face encounters. TRIAL REGISTRATION: Clinicaltrials.gov (Record 2013-0594). PMID- 29204812 TI - Tumor Screening in Beckwith-Wiedemann Syndrome: Parental Perspectives. AB - Children with Beckwith-Wiedemann Syndrome (BWS) and Isolated Hemihypertrophy (IHH) are at an increased risk for developing tumors. Tumor screening in this population is currently being reassessed by several groups and the effect on patients and patient-families has been argued both as a reason to screen and not to screen. Parental perspectives on this topic have never been systematically addressed for the BWS population. Here, we conducted a parent-based survey to evaluate knowledge and attitudes toward tumor screening in patients affected by BWS/IHH. A total of 261 surveys were completed. Overall, parents reported that screening decreased their worry and did not feel that screening increased worry or created a burden. This effect was observed across various demographic variables and other factors examined. Almost all significant differences observed could be attributed to parental knowledge of tumor risk. Parents who correctly identified their child's tumor risk were more likely to agree with stratified screening recommendations according to BWS type and risk, and were less likely to feel worried if recommendations were changed. These results highlight the need to educate families about their child's genetic type and tumor risk in order to facilitate an informed decision about tumor screening. PMID- 29204813 TI - The Use of Film Clips in a Viewing Time Task of Sexual Interests. AB - Viewing time tasks using still pictures to assess age and gender sexual interests have been well validated and are commonly used. The use of film clips in a viewing time task would open up interesting possibilities for the study of sexual interest toward sexual targets or activities that are not easily captured in still pictures. We examined the validity of a viewing time task using film clips to assess sexual interest toward male and female targets, in a sample of 52 young adults. Film clips produced longer viewing times than still pictures. For both men and women, the indices derived from the film viewing time task were able to distinguish individuals who identified as homosexual (14 men, 8 women) from those who identified as heterosexual (15 men, 15 women), and provided comparable group differentiation as indices derived from a viewing time task using still pictures. Men's viewing times were more gender-specific than those of women. Viewing times to film clips were correlated with participants' ratings of sexual appeal of the same clips, and with viewing times to pictures. The results support the feasibility of a viewing time measure of sexual interest that utilizes film clips and, thus, expand the types of sexual interests that could be investigated (e.g., sadism, biastophilia). PMID- 29204814 TI - Commentary on "Gay Male Only-Children: Evidence for Low Birth Weight and High Maternal Miscarriage Rates" from the Prenatal Thyroid Model Perspective. PMID- 29204815 TI - Sadistic Offender or Sexual Sadism? Taxometric Evidence for a Dimensional Structure of Sexual Sadism. AB - Severe sexual sadism is a disorder of sexual preferences that focuses on humiliation and domination of the victim, sometimes causing grievous injury or death. Because offenders with high levels of sadism represent a risk to both reoffend and cause considerable harm should they reoffend, a diagnosis of sexual sadism has serious implications. The actual diagnosis of sexual sadism is fraught with problems (i.e., low reliability and validity) and exhibits poor consistency across assessments and studies (Levenson, 2004; Marshall, Kennedy, & Yates, 2002a). Various authors have proposed that sadism should be reconceptualized and have suggested that a dimensional approach may be more effective than a classificatory one for diagnosing sexual sadism (e.g., Marshall & Kennedy, 2003; Nietschke, Osterheider, & Mokros, 2009b). The dimension versus taxon question also impacts debates about the etiology and treatment of sadism. We assessed the taxonicity of sexual sadism by conducting a taxometric analysis of the scores of 474 sex offenders from penitentiary settings on the MTC Sexual Sadism Scale, using Meehl's taxometric methods (Meehl & Yonce, 1994; Waller & Meehl, 1998). Findings indicated that sexual sadism presents a clear underlying dimensional structure. These results are consistent with earlier research supporting a dimensional assessment of sexual sadism and indicate that the diagnosis of sexual sadism should be reconceptualized. The theoretical and clinical implications of these findings are discussed. PMID- 29204816 TI - Sexual Health Risk Behavior Disparities Among Male and Female Adolescents Using Identity and Behavior Indicators of Sexual Orientation. AB - Sexual minority adolescent sexual risk behavior studies often overlook young women, do not consider behavior- and identity-based sexual orientation indicators in combination, and focus mainly on condomless sex. We examined multiple risk behaviors in a large sample of adolescent young men and women using combined behavior- and identity-based indices. The 2015 Dane County Youth Assessment data included 4734 students in 22 high schools who had ever voluntarily engaged in sexual contact (51.7% male; 76.0% White, non-Hispanic). Items assessed having sex with unfamiliar partners, sex while using substances, using protection, and STI testing. Logistic regressions tested for disparities based on combined identity- and behavior-based sexual orientation indicators. For both young men and women, youth who reported heterosexual or questioning identities-but who had sex with same-sex partners-were at consistently greater risk than heterosexual youth with only different-sex partners. Also, for both young men and women, bisexuals with partners of both sexes more consistently reported higher risk than heterosexual youth than did bisexuals with only different-sex partners. Risk behavior for gay young men who had sex only with men mirrored those in extant literature. Risk levels differed for specific groups of sexual minority young women, thus deserving further attention. Findings underscore the need for sexual health research to consider sexual orientation in a more multidimensional manner. PMID- 29204817 TI - Oxyphenbutazone promotes cytotoxicity in rats and Hep3B cellsvia suppression of PGE2 and deactivation of Wnt/beta-catenin signaling pathway. AB - Hepatocellular carcinoma (HCC) is the fifth leading cause of death and is generally typified by elevated liver enzyme biomarkers, antioxidants, and chronic inflammation of hepatocytes. Although currently available drugs have shown remarkable alleviation of the cancerous condition, but at the same time they present a more severe challenge of toxic effects due to chemotherapy. Therefore, in order to bring more patient-compliant therapy, we aimed to refurbish the use of a COX inhibitor, oxyphenbutazone (OPB), with low dose of methotrexate (MTX) to treat diethyl nitrosamine (DENA)-induced HCC in Wistar rats and in Hep3B cells. Hep3B cells were subjected to assays like in vitro cytotoxicity, DNA synthesis, and caspase activity. The combination index was also evaluated, succeeding the cytotoxicity assay, to analyze the possible synergism. For in vivo study, Wistar strain male rats were given single intraperitoneal dose of DENA (200 mg/kg) and were supplied with sodium phenobarbital (0.1% in tap water) for promoting tumorigenesis throughout the study. MTX (2.5 and 5.0 mg/kg/week, ip) and OPB (70 mg/kg/week, po in two divided doses) were administered to the treatment groups from 3rd week till the termination of study. Several biochemical parameters including biomarkers of liver function, antioxidant enzymes, and histopathological examination of liver cells were tested. Significant synergism was witnessed in the cytotoxicity assay when Hep3B cells received varied dose combination treatment of MTX (0.25, 0.5, or 1.0 umol/L) and OPB (2.5, 5.0, or 7.5 umol/L). MTX (0.5 and 1.0 umol/L) in combination with OPB (5.0 or 7.5 umol/L) inhibited the cell proliferation as BrdU incorporation was quite low in DNA synthesis analysis, as well as caspase-9/-3 cascade was activated which led to apoptosis of cancer cells. Co-treatment with MTX and OPB exerted potential anticancer activity in rats than either of the drugs alone. Administration of combination therapy harmonized the DENA-induced elevation of serum biochemical parameters, including but not limited to, alpha-fetoprotein (AFP), alanine- and aspartate-aminotransferase, alkaline phosphatase, vascular endothelial growth factor (VEGF), and antioxidant enzymes like superoxide dismutase (SOD), catalase (CAT), and lipid per oxidation (LPO). All these results were optimally substantiated by histopathological examination. As evident COX-2 catalyzes the synthesis of PGE2, needed in the activation of Wnt/beta-catenin pathway, which in turn is responsible for activating the transcriptional proteins required for higher degree of cell division and thence growth. Therefore, inhibition of COX-2 by our novel combination infers that even low doses of MTX can elucidate noticeable anticancer activity when paired with OPB. PMID- 29204818 TI - Mir-513a-3p contributes to the controlling of cellular migration processes in the A549 lung tumor cells by modulating integrin beta-8 expression. AB - Lung tumors are a frequent type of cancer in humans and a leading cause of death, and the late diagnostic contributes to high mortality rates. New therapeutic strategies are needed, and the heptapeptide angiotensin-(1-7) [ang-(1-7)] demonstrated the ability to control cancer growth rates and migration in vitro and in vivo. However, the possible use of the heptapeptide in clinical trials demands deeper analyses to elucidate molecular mechanisms of its effect in the target cells. In this study, we investigated relevant elements that control pro inflammatory environment and cellular migration, focusing in the post transcription mechanism using lung tumor cell line. In our cellular model, the microRNA-513a-3p was identified as a novel element targeting ITG-beta8, thereby controlling the protein level and its molecular function in the controlling of migration and pro-inflammatory environment. These findings provide useful information for future studies, using miR-513a-3p as an innovative molecular tool to control lung tumor cell migration, which will support more effective clinical treatment of the patients with the widely used chemotherapeutic agents, increasing survival rates. PMID- 29204819 TI - Isolation and molecular identification of lactic acid bacteria from King grass and their application to improve the fermentation quality of sweet Sorghum. AB - The aim of the present study was isolation and molecular identification of lactic acid bacteria from King grass and their application to improve the fermentation quality of sweet Sorghum. Seventy-six strains of LAB were isolated; five strains were selected for Physiological and morphological tests and 16S rRNA sequencing. All five strains grew at different pH 3.5-8.0, different temperature 35, 40, 45, 50 degrees C and different NaCl concentrations 3, 6.5, 9.5%. Strains HDASK were identified Lactobacillus plantarum and SK3907, SK2A32, SK3A42 and ASKDD Pediococcus acidilactici. Three isolated strains and one commercial strain were added to sweet sorghum. Silage was prepared of four treatments and one control with three replicates as control (SKC, adding 2 ml/kg sterilizing water), L. plantarum commercial bacteria (SKP), L. plantarum (HDASK) isolated from King grass (SKA), P. acidilactici (SK3907) isolated from King grass (SKB) and P. acidilactici (ASKDD) isolated from King grass (SKD). All silage were prepared using polyethylene terephthalate bottles, and incubated at room temperature for different ensiling days. The level of pH, acetic acid, NH3-N, water soluble carbohydrate and butyric acid was significantly (P < 0.05) decreased. Lactic acid, ethanol and propionic acid (PA) was significantly (P < 0.05) increased in treatments compared to control. The dry matter, propionic acid neutral detergent fiber, acid detergent fiber did not significantly (P < 0.05) differ among the treatments but the values were increased and decreased. The number of yeast, mold and LAB were significantly (P < 0.05). It is suggested that the supplementation of LAB could enhanced the fermentation quality of sweet Sorghum silage. PMID- 29204820 TI - Identification of syllables best recognized in acoustic-stimulated functional magnetic resonance imaging. AB - In acoustic-stimulated functional magnetic resonance imaging (fMRI), tasks are performed by subjects either during imaging in the presence of scanning noise or during non-imaging periods without scanning noise. Suitable syllables for voice tasks performed with MRI-compatible headphones are limited during the imaging period with scanning noise. However, suitable syllables for voice tasks during the non-imaging period, without scanning noise, are not yet known. This study aimed to identify suitable syllables for voice tasks during both imaging and non imaging periods. The subjects were 12 healthy volunteers who were native Japanese speakers. On an answer sheet attached to a wooden board, they were asked to write down the syllables they perceived through MRI-compatible headphones during imaging and non-imaging periods. The rate of accuracy for the perception of syllables was calculated; optimally perceived syllables were defined by a rate of accuracy exceeding the 95% upper confidence limit (UCL). The accuracy of syllable perception was significantly higher (P < 0.01) during the non-imaging period (77.2 +/- 5.6%) than during the imaging period (66.3 +/- 5.0%). The 95% UCLs obtained from the rates of accuracy were 83.5% during imaging and 88.9% during the non-imaging period. The number of syllables for which the accuracy rate exceeded the 95% UCL was 28 during imaging and 33 during the non-imaging period. These syllables could be used for voice tasks in acoustic-stimulated fMRI during imaging or non-imaging periods. PMID- 29204821 TI - Development of a clinical prediction score for detection of suspected cases of equine grass sickness (dysautonomia) in France. AB - Equine grass sickness (EGS) (equine dysautonomia) is a neurodegenerative condition of grazing equines. Pre-mortem diagnosis of EGS is a challenge for practitioners as definitive diagnosis requires ileal/myenteric lymph node biopsies. This study aimed to develop a clinical score that could be used by practitioners to improve the detection of acute or subacute EGS cases in the field. Suspected EGS cases were declared by veterinary practitioners. A case was classified as confirmed positive if ileal or rectal biopsy samples showed neuronal degeneration typical of EGS. A semi-quantitative scoring system, including epidemiological and clinical data, was created to attempt to classify suspected EGS horses into confirmed positive or negative cases. Each variable was weighted based on a boosted regression trees model, while taking into account its clinical relevance. Twenty-eight EGS cases were confirmed by biopsy during the entire study period. The best cut-off value for the score to have a high sensitivity while maximizing specificity was 8, with a sensitivity of 100% and a specificity of 53%. In our dataset, 77% of animals would be correctly classified with this cut-off value of 8. Highest sensitivity was chosen in order to detect the highest number of potential cases. Our score represents an inexpensive and useful tool to aid in the identification of suspected EGS cases in the field and selection for further diagnostics procedures to confirm or rule out the disease. Application of the score to larger populations of animals would be required to further adapt and refine the score. PMID- 29204822 TI - The experience of the RIPO, a shoulder prosthesis registry with 6-year follow-up. AB - BACKGROUND: Implant registries have proved valuable in assessing the outcomes of arthroplasty procedures. Moreover, by identifying lesser quality implants they have indirectly improved the quality of care. The registry of prosthetic shoulder implants was established in 2008. METHODS: It records information on all types of primary and revision arthroplasty procedures involving the glenohumeral joint, including reverse and total arthroplasty, hemiarthroplasty, resurfacing, removal, and any other surgical procedures that are required to manage these patients. The collected data include patient demographics, weight, height, operated side, cuff status, and diagnosis/reason for revision surgery, information on previous surgical procedures involving either shoulder, comorbidities, antibiotic and thromboembolic prophylaxis, blood transfusions, surgical approach, cuff repair procedures performed during arthroplasty, bone grafts, drains, and perioperative complications, and data about the prosthetic components implanted, including the fixation method. RESULTS: Procedures were performed on 3754 shoulders. They included 2226 RSA, 320 TSA, 730 HA, 233 resurfacing procedures, 245 revisions, and 77 "other" procedures. The survival curves of the implants are greater than 90%, and no differences were found among prosthesis from different manufacturers. The diagnosis that prompted to arthroplasty was: osteoarthritis in 60.9% of cases and fractures, bone necrosis, sequelae of fracture and rotator cuff tear arthropathy for the rest of implants. DISCUSSION AND CONCLUSION: This study describes the epidemiological data and mid-term implant outcomes of the shoulder arthroplasty procedures performed in our region, from 2008 to 2014, and compares them with published data from national registries of similar size. LEVEL OF EVIDENCE: III. PMID- 29204823 TI - Balancing Antibacterial Efficacy and Reduction in Renal Function to Optimise Initial Gentamicin Dosing in Paediatric Oncology Patients. AB - This study aimed to determine the optimal starting dose of gentamicin in paediatric oncology patients. A population pharmacokinetic model describing drug exposure, a semi-mechanistic model describing bacterial killing and an Emax model describing renal cortex accumulation were linked in a utility function using NONMEM(r). The optimal gentamicin starting dose was estimated in patients aged from 0.1 to 18.2 years, by balancing the probability of efficacy on day 1 against relative renal function reduction on day 7 with continued dosing. Using achievement of a gentamicin area under the concentration time curve to bacterial minimum inhibitor concentration (MIC) ratio of >= 100 and maximum concentration to MIC ratio of >= 10 as the efficacy endpoints, a starting dose of 7.1, 9.5, 10.8 and 14.6 mg/kg/q24h was optimal at a MIC of 0.5, 1, 2 and 4 mg/L respectively, with >= 75% probability of obtainment. Using achievement of a 2 log10 bacterial count reduction at 24-h post-dose as the efficacy endpoint, a starting dose of 12.8 mg/kg/q24h was optimal, with 85.6% probability of obtainment. Under these different dosing scenarios, relative reduction in renal function ranged on average from 6.9 to 14.5% on day 7. The current recommended starting dose of gentamicin of 7.5 mg/kg/q24h may not be sufficient to achieve efficacy on day 1 if bacterial MIC is > 0.5 mg/L. A higher initial dose (up to 14.6 mg/kg/q24h), in less sensitive microorganisms, would likely cause only a relatively small reduction in renal function at day 7. Close monitoring is crucial if high doses are given, especially for longer than 7 days. PMID- 29204825 TI - Stem Cell Microenvironments and Beyond. AB - Endogenous stem cells are indispensable to keep tissue homeostasis due to their unique ability to generate more specialized cell types in an organized way depending on the body needs. Precise control over stem cell differentiation is essential for organogenesis and tissue homeostasis. Stem cells reside in specialized microenvironments, also called niches, which maintain them in an undifferentiated and self-renewing state. The cellular and molecular mechanisms of stem cell maintenance are key to the regulation of homeostasis and likely contribute to several disorders when altered during adulthood. Extensive studies in a various tissues have shown the importance of the niche in modulating stem cell behavior, including bone marrow, skin, intestine, skeletal muscle, vocal cord, brain, spinal cord, stomach, esophagus, and others. In recent past, extraordinary advancement has been made in the identification and characterization of stem cell niches using modern state-of-art techniques. This progress lead to the definition of the main cellular components in the microenvironment where stem cells reside and the identification of molecular mechanisms by which stem cell behavior is controlled, revealing key niche signals involved in stem cell regulation. Similar to the ecological niche of an organism, a stem cell niche is exclusive to the specific type of stem cell and guides its dynamics. This book describes the major cellular and molecular components of various stem cells microenvironments in different organs and at distinct pathophysiological conditions, such as cell-cell interactions, extra-cellular matrix proteins, soluble factors, and physical forces. Although several advances have been made in our understanding of the signals that promote stem cell activation or quiescence, several components of the stem cells microenvironment remain unknown due to the complexity of niche composition and its dynamics. Further insights into these cellular and molecular mechanisms will have important implications for our understanding of organ homeostasis and disease. In this book, we present a selected collection of detailed chapters on what we know so far about the stem cell niches in various tissues and under distinct pathophysiological conditions. Twelve chapters written by experts in the field summarize the present knowledge about the physiological function and pathophysiological role of the stem cell regulation by the microenvironment. PMID- 29204824 TI - Chemoinformatics: a perspective from an academic setting in Latin America. AB - This perspective discusses the current progress of a chemoinformatics group in a major university in Latin America. Three major aspects are discussed in a critical manner: research, education, and collaboration with industry and other public research networks. It is also presented an overview of the progress in applied research and development of research concepts. Efforts to teach chemoinformatics at the undergraduate and graduate levels are discussed. It is addressed how the partnership with industry and other not-for-profit research institutions not only brings additional sources of funding but, more importantly, increases the impact of the multidisciplinary work and offers the students to be exposed to other research environments. We also discuss the main perspectives and challenges that remain to be addressed in these settings. PMID- 29204826 TI - The Bone Marrow Microenvironment for Hematopoietic Stem Cells. AB - The main function of the microenvironment in the bone marrow (BM) is to provide signals that regulate and support the production of the billions of blood cells necessary to maintain homeostasis. The best characterized BM microenvironment is the niche that regulates hematopoietic stem cells. Efforts from many different laboratories have revealed that the niche is mainly perivascular and that blood vessels and perivascular stromal cells are the key components. In addition numerous cell types have been shown to be components of the niche. Here we discuss our current understanding of the niche and the evidence supporting the role of different types of cells in regulating hematopoietic stem cell numbers and function in vivo. PMID- 29204827 TI - Leukemia Stem Cells Microenvironment. AB - The dynamic interactions between leukemic cells and bone marrow (BM) cells in the leukemia BM microenvironment regulate leukemia stem cell (LSC) properties including localization, self-renewal, differentiation, and proliferation. Recent research of normal and leukemia BM microenvironments has revealed several key components of specific niches that provide a sanctuary where subpopulations of leukemia cells evade chemotherapy-induced death and acquire a drug-resistant phenotype, as well as the molecular pathways critical for microenvironment/leukemia interactions. Although the biology of LSCs shares many similarities with that of normal hematopoietic stem cells (HSCs), LSCs are able to outcompete HSCs and hijack BM niches. Increasing evidence indicates that these niches fuel the growth of leukemia cells and contribute to therapeutic resistance and the metastatic potential of leukemia cells by shielding LSCs. Not only "microenvironment-induced oncogenesis," but also a "malignancy-induced microenvironment" have been proposed. In this chapter, the key components and regulation of BM niches in leukemic BM is described. In addition, metabolic changes in LSCs, which are currently a subject of intense investigation, will also be discussed to understand LSC survival. PMID- 29204829 TI - Spinal Cord Stem Cells In Their Microenvironment: The Ependyma as a Stem Cell Niche. AB - The ependyma of the spinal cord is currently proposed as a latent neural stem cell niche. This chapter discusses recent knowledge on the developmental origin and nature of the heterogeneous population of cells that compose this stem cell microenviroment, their diverse physiological properties and regulation. The chapter also reviews relevant data on the ependymal cells as a source of plasticity for spinal cord repair. PMID- 29204828 TI - Developmental HSC Microenvironments: Lessons from Zebrafish. AB - Hematopoietic stem cells (HSCs) posses the ability to maintain the blood system of an organism from birth to adulthood. The behavior of HSCs is modulated by its microenvironment. During development, HSCs acquire the instructions to self-renew and differentiate into all blood cell fates by passing through several developmental microenvironments. In this chapter, we discuss the signals and cell types that inform HSC decisions throughout ontogeny with a focus on HSC specification, mobilization, migration, and engraftment. PMID- 29204830 TI - Being a Neural Stem Cell: A Matter of Character But Defined by the Microenvironment. AB - The cells that build the nervous system, either this is a small network of ganglia or a complicated primate brain, are called neural stem and progenitor cells. Even though the very primitive and the very recent neural stem cells (NSCs) share common basic characteristics that are hard-wired within their character, such as the expression of transcription factors of the SoxB family, their capacity to give rise to extremely different neural tissues depends significantly on instructions from the microenvironment. In this chapter we explore the nature of the NSC microenvironment, looking through evolution, embryonic development, maturity and even disease. Experimental work undertaken over the last 20 years has revealed exciting insight into the NSC microcosmos. NSCs are very capable in producing their own extracellular matrix and in regulating their behaviour in an autocrine and paracrine manner. Nevertheless, accumulating evidence indicates an important role for the vasculature, especially within the NSC niches of the postnatal brain; while novel results reveal direct links between the metabolic state of the organism and the function of NSCs. PMID- 29204831 TI - Glioblastoma Stem Cells and Their Microenvironment. AB - Glioblastoma (GBM) is the most common primary malignant astrocytoma associated with a poor patient survival. Apart from arising de novo, GBMs also occur due to progression of slower growing grade III astrocytomas. GBM is characterized by extensive hypoxia, angiogenesis, proliferation and invasion. Standard treatment options such as surgical resection, radiation therapy and chemotherapy have increased median patient survival to 14.6 months in adults but recurrent disease arising from treatment resistant cancer cells often results in patient mortality. These treatment resistant cancer cells have been found to exhibit stem cell like properties. Strategies to identify or target these Glioblastoma Stem Cells (GSC) have proven to be unsuccessful so far. Studies on cancer stem cells (CSC) within GBM and other cancers have highlighted the importance of paracrine signaling networks within their microenvironment on the growth and maintenance of CSCs. The study of GSCs and their communication with various cell populations within their microenvironment is therefore not only important to understand the biology of GBMs but also to predict response to therapies and to identify novel targets which could stymy support to treatment resistant cancer cells and prevent disease recurrence. The purpose of this chapter is to introduce the concept of GSCs and to detail the latest findings indicating the role of various cellular subtypes within their microenvironment on their survival, proliferation and differentiation. PMID- 29204833 TI - The Macula Flava of the Human Vocal Fold as a Stem Cell Microenvironment. AB - 1. There is growing evidence to suggest that the cells in the maculae flavae are tissue stem cells of the human vocal fold and maculae flavae are a candidate for a stem cell niche. 2. The latest research shows that the cells in the human maculae flavae are involved in the metabolism of extracellular matrices that are essential for the viscoelasticity in the human vocal fold mucosa as a vibrating tissue, and considered to be important cells in the growth, development, and aging of the human vocal fold mucosa. 3. The cells in the human maculae flavae possess proteins of all three germ layers, indicating they are undifferentiated and have the ability of multipotency. 4. The cell division in the human adult maculae flavae is reflective of asymmetric self-renewal and cultured cells form a colony-forming unit. Therefore, the phenomenon gives rise to the strong possibility that the cells in the human maculae flavae are tissue stem cells. 5. Recent research suggests that the cells in the human maculae flavae arise from the differentiation of bone marrow cells via peripheral circulation. 6. The hyaluronan concentration in the maculae flavae is high and contains cells which possess hyaluronan receptors, indicating that the maculae flavae are hyaluronan rich matrix, which is required for a stem cell niche. 7. A proper microenvironment in the maculae flavae of the human vocal fold mucosa is necessary to be effective as a stem cell niche maintaining the stemness of the contained tissue stem cells. PMID- 29204835 TI - Oral Cancer Stem Cells Microenvironment. AB - Cancer stem cells (CSCs) play important role in tumor growth and metastasis coupled with increased recurrences and acquired therapeutic resistance in oral cancer. The tumor microenvironment imposes intense pressure in cancer evolution in response to adverse growth conditions, resource limitation and immune predation. Here, we discussed the dynamic interplay between cancer stem cells and tumor microenvironment in the formation of intratumoral heterogeneity to modulate tumor progression. The CSCs niche provide a special microhabitat for survival, maintenance of stemness and tumor re-propagation. Moreover, adaptive cellular behavior might be driven by tough tumor microenvironmental selective forces which highly regulate alterations in the gene expression leading to the reprogramming of signaling pathways generating stem-like characteristics, adaptive metabolic plasticity and energy fueling with autophagy to permit the CSCs to sustain in the ever changing microenvironments during tumor progression. On the other hand, CSCs also direct the tumor microenvironment modulation and remodeling in its favour. The cytokines, chemokines and growth factors released from CSCs regulates neoangiogensis, differentiation, degradation of matrix protein and immune suppression favoring tumor-promoting conditions and initiates multiple signaling cascades augmenting the tumor progression. PMID- 29204832 TI - Plasticity of the Muscle Stem Cell Microenvironment. AB - Satellite cells (SCs) are adult muscle stem cells capable of repairing damaged and creating new muscle tissue throughout life. Their functionality is tightly controlled by a microenvironment composed of a wide variety of factors, such as numerous secreted molecules and different cell types, including blood vessels, oxygen, hormones, motor neurons, immune cells, cytokines, fibroblasts, growth factors, myofibers, myofiber metabolism, the extracellular matrix and tissue stiffness. This complex niche controls SC biology-quiescence, activation, proliferation, differentiation or renewal and return to quiescence. In this review, we attempt to give a brief overview of the most important players in the niche and their mutual interaction with SCs. We address the importance of the niche to SC behavior under physiological and pathological conditions, and finally survey the significance of an artificial niche both for basic and translational research purposes. PMID- 29204834 TI - Oesophageal Stem Cells and Cancer. AB - Oesophageal cancer remains one of the least explored malignancies. However, in recent years its increasing incidence and poor prognosis have stimulated interest from the cancer community to understand the pathways to the initiation and progression of the disease.Critical understanding of the molecular processes controlling changes in stem cell fate and the cross-talk with their adjacent stromal neighbours will provide essential knowledge on the mechanisms that go awry in oesophageal carcinogenesis. Advances in lineage tracing techniques have represented a powerful tool to start understanding changes in oesophageal cell behaviour in response to mutations and mutagens that favour tumour development.Environmental cues constitute an important factor in the aetiology of oesophageal cancer. The oesophageal epithelium is a tissue exposed to harsh conditions that not only damage the DNA of epithelial cells but also result in an active stromal reaction, promoting tumour progression. Ultimately, cancer represents a complex interplay between malignant cells and their microenvironment. Indeed, increasing evidence suggests that the accumulation of somatic mutations is not the sole cause of cancer. Instead, non-cell autonomous components, coming from the stroma, can significantly contribute from the earliest stages of tumour formation.The realisation that stromal cells play an important role in cancer has transformed this cellular compartment into an attractive and emerging field of research. It is becoming increasingly clear that the tumour microenvironment provides unique opportunities to identify early diagnostic and prognostic markers, as well as potential therapeutic strategies that may synergise with those targeting tumour cells.This chapter compiles recent observations on oesophageal epithelial stem cell biology, and how environmental and micro-environmental changes may lead to oesophageal disease and cancer. PMID- 29204836 TI - Fetal Membranes-Derived Stem Cells Microenvironment. AB - Recently, the regenerative medicine has been trying to congregate different areas such as tissue engineering and cellular therapy, in order to offer effective treatments to overcome several human and veterinary medical problems. In this regard, fetal membranes have been proposed as a powerful source for obtainment of multipotent stem cells with low immunogenicity, anti-inflammatory properties and nontumorigenicity properties for the treatment of several diseases, including replacing cells lost due to tissue injuries or degenerative diseases. Morpho physiological data have shown that fetal membranes, especially the yolk sac and amnion play different functions according to the gestational period, which are direct related to the features of the microenvironment that their cells are subject. The characteristics of the microenvironment affect or controls important cellular events involved with proliferation, division and maintenance of the undifferentiated stage or differentiation, especially acting on the extracellular matrix components. Considering the importance of the microenvironment and the diversity of embryonic and fetal membrane-derived stem cells, this chapter will addressed advances in the isolation, phenotyping, characteristics of the microenvironment, and applications of yolk sac and amniotic membrane-derived stem cells for human and veterinary regenerative medicine. PMID- 29204837 TI - Current Technologies Based on the Knowledge of the Stem Cells Microenvironments. AB - The stem cell microenvironment or niche plays a critical role in the regulation of survival, differentiation and behavior of stem cells and their progenies. Recapitulating each aspect of the stem cell niche is therefore essential for their optimal use in in vitro studies and in vivo as future therapeutics in humans. Engineering of optimal conditions for three-dimensional stem cell culture includes multiple transient and dynamic physiological stimuli, such as blood flow and tissue stiffness. Bioprinting and microfluidics technologies, including organs-on-a-chip, are among the most recent approaches utilized to replicate the three-dimensional stem cell niche for human tissue fabrication that allow the integration of multiple levels of tissue complexity, including blood flow. This chapter focuses on the physico-chemical and genetic cues utilized to engineer the stem cell niche and provides an overview on how both bioprinting and microfluidics technologies are improving our knowledge in this field for both disease modeling and tissue regeneration, including drug discovery and toxicity high-throughput assays and stem cell-based therapies in humans. PMID- 29204838 TI - Volumetric response of progressing post-SRS lesions treated with laser interstitial thermal therapy. AB - We analyzed volumetric response of metastatic brain tumors that progressed despite treatment with stereotactic radiosurgery (SRS) after treatment with laser interstitial thermal therapy (LITT). We retrospectively reviewed consecutive patients treated from 1/2012 to 10/2015 with LITT for metastatic brain tumors demonstrating progression after SRS. Volumes were quantified using MRI with contrast-enhanced T1-weighted (T1W) and fluid-attenuated inversion recovery (FLAIR). Fifty lesions from 36 patients were studied. Lesions were assessed prior to LITT, immediately after LITT, 0-90 days after LITT, 90-180 days after LITT, 180-270 days after LITT, and 270-360 days after LITT. The median T1W volume was 5.05 cc (range 0.54-23.31 cc) before LITT treatment (n = 50), 7.70 cc (range 1.72 38.76 cc) 0-90 days after LITT (n = 47), and 3.68 cc (range 1.282-48.31 cc) 180 270 days after LITT (n = 21). The median FLAIR volume was 43.36 cc (range 3.09 233.01 cc) before LITT treatment (n = 50), 37.13 cc (range 3.48-244.23 cc) 0-90 days after LITT (n = 43), 31.68 cc (range 1.6-248.75 cc) 180-270 days after LITT (n = 18). The 6-month FLAIR volume showed a statistically significant reduction compared to pretreatment (p = 0.04). After selecting for cases where patients had two or more post-operative MRIs, we found that 24 lesions (63%) demonstrated an overall downward trend and 14 lesions (37%) demonstrated an upward trend. The median pre-treatment T1W volume for the patients whose lesions demonstrated volumetric reduction after LITT was 3.54 cc (range 0.539-10.06 cc) and for those who did not demonstrate volumetric reduction after LITT it was 8.81 cc (range 0.926-23.313 cc). The pre-treatment tumor volume plays a significant role in determining response to LITT with smaller tumor volumes responding better to LITT than tumors with larger volumes. PMID- 29204839 TI - Prognostic value of a microRNA signature as a novel biomarker in patients with lower-grade gliomas. AB - MicroRNAs (miRNAs) may act as prognostic biomarkers in a variety of cancers. The aim of this study was to identify and evaluate a prognostic miRNA signature in patients with lower-grade gliomas (LGGs). miRNA expression profiles and clinical data of patients with LGGs from the Chinese Glioma Genome Atlas (CGGA; the training cohort) and The Cancer Genome Atlas (TCGA; the validation cohort) were analyzed, and the least absolute shrinkage and selection operator Cox regression model was used to identify the miRNA signature, which was combined with clinical prognostic factors to develop an individualized survival prediction model. Gene ontology analysis and Kyoto Encyclopedia of Genes and Genomes pathway analysis were conducted to reveal the biological implications of the signature. We identified a four-miRNA signature that stratified patients in the training cohort into low- or high-risk groups according to overall survival time, a finding that was verified in the validation cohort. Multivariate Cox regression analysis indicated that the four-miRNA signature was an independent prognostic biomarker, and a nomogram combining this miRNA signature with clinicopathological and molecular factors showed high prognostic accuracy for individualized survival prediction in both TCGA (C-index = 0.83) and CGGA (C-index = 0.68) cohorts. Functional annotation indicated that the major biological processes of this prognostic miRNA signature were enriched in cell cycle and DNA repair-associated biological processes. Our findings indicated that our newly discovered four-miRNA signature may be an effective independent prognostic factor for the prediction of patients with LGGs. PMID- 29204840 TI - Survival outcomes in pediatric recurrent high-grade glioma: results of a 20-year systematic review and meta-analysis. AB - Recurrent pediatric high-grade glioma is a leading cause of cancer-related death in children. We report results of a systematic review and meta-analysis investigating survival outcome in pediatric patients with recurrent high-grade glioma over the last 20 years. MEDLINE/PubMed, EMBASE, Web of Science and Cochrane Review databases were searched for relevant studies reporting on survival outcomes for pediatric patients with recurrent high-grade glioma treated between 1996 and 2016. Progression-free survival (PFS) and overall survival (OS) were calculated cumulatively over all studies, by therapy subgroup, and by decade of treatment. Random effects models were used to control for heterogeneity as measured by the I2 statistic. A total of 17 studies across 4 treatment strategies were included. Eleven investigated traditional chemotherapy, 1 investigated targeted therapy, 3 investigated immunotherapy, and 2 investigated radiotherapy. A total of 129 patients were included with a median age of 10.0 years. Cumulative PFS was 3.5 months (95% CI 2.1-5.0). Cumulative OS was 5.6 months (95% CI 3.9 7.3). OS was 4.0 months (95% CI 1.9-6.1) using traditional chemotherapy, 9.3 months using targeted therapies (95% CI 5.4-13), 6.9 months using immunotherapy (95% CI 2.1-12), and 14 months using reirradiation (95% CI 2.8-25). OS between 1996 and 2006 was 4.2 months (95% CI 2.1-6.2) compared to 8.5 months (95% CI 5.6 11) after 2006. Pediatric patients with recurrent high-grade glioma suffer from poor PFS and OS, regardless of therapy. There may be a trend towards improved OS in the last decade. PMID- 29204841 TI - Stereotactic radiosurgery for central nervous system hemangioblastoma: systematic review and meta-analysis. AB - Hemangioblastomas are rare, benign, vascular tumors of the central nervous system (CNS), often associated with von-hippel lindau (VHL) disease. Current therapeutic options include microsurgical resection or stereotactic radiosurgery (SRS). With no randomized controlled studies and minimal data beyond single-institution reviews, the optimal management approach for patients with CNS hemangioblastomas is unclear. We completed a Pubmed/SCOPUS literature search from January 1990 to January 2017 for eligible studies on SRS for CNS hemangioblastomas. Relevant articles were identified and reviewed in accordance to the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. 26 studies met eligibility criteria for qualitative synthesis, representing 596 subjects and 1535 tumors. The Gamma Knife was the most published SRS method for CNS hemangioblastomas. After critical study appraisal for intra-study bias, 14 studies were used for quantitative meta-analysis of 5-year progression free survival (PFS). The pooled 5-year PFS across all eligible studies was 88.4%. No difference was observed between spine versus intracranial studies. Individual patient data (IPD) was extracted from 14 studies, representing 322 tumors. Univariate analysis of IPD revealed that VHL patients were younger, and had smaller tumors compared to those with sporadic disease. Adverse events were associated with increasing marginal dose, independent of tumor volume. VHL status, sex, radiosurgical method, tumor location, and tumor volume were not found to be significantly associated with tumor progression. Multiple studies show excellent tumor control at 5-year follow up, however, the long-term efficacy of SRS for CNS hemangioblastomas still needs to be investigated, and the studies exploring the role of SRS for early treatment of asymptomatic lesions is wanting. PMID- 29204842 TI - The Role of Social Context in Racial Disparities in Self-Rated Health. AB - Race disparities in self-rated health in the USA are well-documented, such that African Americans rate their health more poorly than whites. However, after adjusting for health status, socioeconomic status (SES), and health behaviors, residual race differences are observed. This suggests the importance of unmeasured variables. Because African Americans and whites tend to live in differing social contexts, it is possible that accounting for social and environmental conditions may reduce racial disparities in self-rated health. Differences in self-rated health among whites and African Americans were assessed in a low-income, urban integrated community (Exploring Health Disparities in Integrated Communities (EHDIC)) and compared with a national sample (National Health Interview Survey (NHIS)). Controlling for demographics, SES, health insurance, status, and behaviors, African Americans in NHIS had higher odds of reporting fair or poor health (odds ratio [OR] = 1.40, 95% confidence interval [CI] = 1.18-1.66) than whites. In EHDIC, there was no race difference in self rated health (OR = 0.83, 95% CI = 0.63-1.11). These results demonstrate the importance of social context in understanding race disparities in self-rated health. PMID- 29204843 TI - Incidence and Risk Factors for Hepatitis C Virus Infection among Illicit Drug Users in Italy. AB - So far, only three small outdated studies have investigated hepatitis C virus (HCV) incidence and risk factors among illicit drug users (DUs) in Italy. Thus, during 2007-2010, we conducted a prospective cohort study among DUs attending 17 Italian rehabilitation centers serving urban areas. Two hundred eighty-four HCV uninfected DUs were prospectively followed by interview and anti-HCV antibody and RNA testing every 6 months. Incidence was calculated using the person-years method. Infection predictors were assessed by time-dependent Cox analysis. Participants were mostly male (83.4%), under opioid substitution therapy (OST) (78.9%), non-injecting DUs (67.9%), and with a mean age of 30.8. Ninety-one of 224 DUs initially under OST interrupted treatment during the follow-up. Overall HCV incidence was 5.83/100 person-years at risk (PYAR) [95% confidence intervals (CI), 3.63-9.38]. The incidence did not significantly differ according the participants' sociodemographic characteristics or the degree of urbanization of the towns involved in the study. The incidence was higher for DUs under than for those not under OST (6.23 vs 4.50/100 PYAR; p = 0.681). Incidence was also higher for those with than for those without OST interruption (7.17 vs 5.04/100 PYAR; p = 0.55). However, all these differences were non-significant. At last follow-up visit, a significant decrease in frequency of sharing equipment for preparation/using drugs (by injection or not) was observed by analyzing either the whole cohort or DUs under OST only. Anti-HCV seroconversion resulted independently associated with sharing drug preparation/use equipment, backloading, having a HCV-positive sexual partner, or household and (marginally) intravenous injection. In this study, HCV incidence was non-negligible and OST seemed to lack effectiveness in reducing it. In Italy, implementation of combined harm reduction interventions and antiviral treatment of chronically infected DUs would be needed. PMID- 29204844 TI - Homicides, Public Goods, and Population Health in the Context of High Urban Violence Rates in Cali, Colombia. AB - Obesity and frequent mental and physical distress are often associated with major health problems. The characteristics of the urban environment, such as homicide rates and public goods provision, play an important role in influencing participation in physical activity and in overall mental health. This study aimed to determine whether there was a relationship between homicide rates and public goods provision on the health outcomes of the citizens of Cali, Colombia, a city known for its high urban violence rate and low municipal investment in public goods. We used a linear probability model to relate homicide rates and public goods provision (lighted parks, effective public space per inhabitant, and bus stations) at the district level to health outcomes (obesity and frequent mental and physical distress). Individual data were obtained from the 2014 CaliBRANDO survey, and urban context characteristics were obtained from official government statistics. After controlling for individual covariates, results showed that homicide rates were a risk factor in all examined outcomes. An increase in 1.0 m2 of public space per inhabitant reduced the probability of an individual being obese or overweight by 0.2% (95% confidence interval (CI) = - 0.004 to - 0.001) and the probability of frequent physical distress by 0.1% (95% CI = - 0.002 to - 0.001). On average, the presence of one additional bus station increased the probability of being obese or overweight by 1.1%, the probability of frequent mental distress by 0.3% (95% CI = 0.001-0.004), and the probability of frequent physical distress by 0.02% (95% CI = 0.000-0.003). Living in districts with adequate public space and lighted parks lowers the probability of being obese and high homicide rates, which are correlated with poor health outcomes in Cali, Colombia. Investments in public goods provision and urban safety to reduce obesity rates may contribute to a better quality of life for the population. PMID- 29204845 TI - Six-Month Emergency Department Use among Older Adults Following Jail Incarceration. AB - Although the number of older adults who are arrested and subject to incarceration in jail is rising dramatically, little is known about their emergency department (ED) use or the factors associated with that use. This lack of knowledge impairs the ability to design evidence-based approaches to care that would meet the needs of this population. This 6-month longitudinal study aimed to determine the frequency of 6-month ED use among 101 adults aged 55 or older enrolled while in jail and to identify factors associated with that use. The primary outcome was self-reported emergency department use within 6 months from baseline. Additional measures included baseline socio-demographics, physical and mental health conditions, geriatric factors (e.g., recent falls, incontinence, functional impairment, concern about post-release safety), symptoms (pain and other symptoms), and behavioral and social health risk factors (e.g., substance use disorders, recent homelessness). Chi-square tests were used to identify baseline factors associated with ED use over 6 months. Participants (average age 60) reported high rates of multimorbidity (61%), functional impairment (57%), pain (52%), serious mental illness (44%), recent homelessness (54%), and/or substance use disorders (69%). At 6 months, 46% had visited the ED at least once; 21% visited multiple times. Factors associated with ED use included multimorbidity (p = 0.01), functional impairment (p = 0.02), hepatitis C infection (p = 0.01), a recent fall (p = 0.03), pain (p < 0.001), loneliness (p = 0.04), and safety concerns (p = 0.01). In this population of older adults in a county jail, geriatric conditions and distressing symptoms were common and associated with 6 month community ED use. Jail is an important setting to develop geriatric care paradigms aimed at addressing comorbid medical, functional, and behavioral health needs and symptomatology in an effort to improve care and decrease ED use in the growing population of criminal justice-involved older adults. PMID- 29204846 TI - The Costly Consequences of not Being Socially and Behaviorally Ready to Learn by Kindergarten in Baltimore City. AB - Social, emotional, and behavioral skills are foundational to learning and long term success. However, poverty and exposure to adverse childhood experiences reduce the chances of children entering kindergarten socially-behaviorally ready to learn. This study examined the unique impact of 5-year-old children (N = 11,412) entering kindergarten not socially-behaviorally ready on three costly school outcomes by fourth grade in Baltimore City Public Schools: being retained in grade, receiving services and supports through an IEP or 504 plan, and being suspended/expelled. Controlling for all other types of school readiness, students not identified as socially-behaviorally ready for kindergarten were more likely to experience all three school outcomes. Findings underscore the importance of early prevention and intervention strategies targeting parents and social behavioral readiness skills during the first 5 years of life. PMID- 29204847 TI - Adjuvant chemotherapeutic treatment of 1650 patients with early breast cancer in routine care in Germany: data from the prospective TMK cohort study. AB - BACKGROUND: Several regimens for which efficacy was established in randomized controlled trials are recommended in current treatment guidelines for early breast cancer. However, knowledge on use and effectiveness of commonly administered chemotherapeutic agents in real-life care and across all breast cancer subtypes is limited. METHODS: The prospective, multicentre German TMK cohort study (Tumour Registry Breast Cancer) recruited patients in 148 oncology outpatient-centres. Data from 1650 patients who completed adjuvant chemotherapy were analysed regarding treatment regimens and taxane use from 2007 to 2014. The association of patient characteristics with application of taxane-free regimens was examined with a multivariate regression model. RESULTS: The preferred adjuvant treatment shifted from fluorouracil, anthracycline and cyclophosphamide containing regimens to anthracycline/taxane combinations. Taxane use increased for all subtypes, and the greatest rise was among node-negative patients. Older age, node-negativity, lower grading, HR-positive/HER2-negative subtype and earlier start year of therapy were significantly associated with taxane-free therapy. CONCLUSIONS: Treatment with anthracycline/taxane-based chemotherapy in Germany has been rising for every subtype. The increased taxane use reflects updated guideline recommendations over the past decade. Cohort studies like the TMK provide insight into real-life treatment of patients outside of clinical trials. PMID- 29204848 TI - B-cell populations are expanded in breast cancer patients compared with healthy controls. AB - BACKGROUND: Historically, humoral immunity was considered unimportant in anti tumor immunity, and the differentiation and anti-tumor activity of B cells in breast cancer are poorly understood. However, it was recently discovered that B cells participate in tumor immunity through both antibody production and immunosuppressive mechanisms. We analyzed the expression of B-cell differentiation markers in detail using fluorescence-activated cell sorting to investigate the relationship between B-cell subsets and breast cancer etiology. METHODS: Blood samples were taken from breast cancer patients and healthy donors, and peripheral blood mononuclear cells were collected. B cells at various stages of differentiation were identified by the expression of combinations of the cell surface markers CD5, CD19, CD21, CD24, CD27, CD38, CD45, and IgD. Statistical analysis of the proportions of each B-cell subtype in the different patient groups was then performed. RESULTS: Twenty-seven breast cancer patients and 12 controls were considered. The proportion of total B cells was significantly higher in cancer patients than in controls (11.51 +/- 2.059 vs 8.905 +/- 0.379%, respectively; p = 0.001). Breast cancer patients were then classified as High-B or Low-B for further analysis. A significantly higher proportion of memory B cells was found in the High-B group than in the Low-B or control groups (p = 0.003 and p = 0.043, respectively). CONCLUSIONS: Breast cancer patients generally have a higher proportion of B cells than healthy controls, but this is highly variable. Analysis of the major B-cell surface markers indicates that memory B cells in particular are significantly expanded, or more robust, in breast cancer patients. PMID- 29204849 TI - Human intestinal spirochetosis mimicking ulcerative colitis. AB - Human intestinal spirochetosis (HIS) is a colorectal infection caused by the Brachyspira species of intestinal spirochetes, whose pathogenicity in humans remains unclear owing to the lack of or mild symptoms. We monitored the 5-year clinical course of a woman diagnosed with HIS in whom ulcerative colitis (UC) had been suspected. Following a positive fecal occult blood test, she underwent a colonoscopic examination at a local clinic where she was diagnosed with "right sided" UC concomitant with incidentally detected HIS, and was referred to our hospital. Colonoscopic, histopathological, and cytological examination revealed localized erosive colitis in the ascending and the right transverse colon concomitant with HIS resembling skip lesions of UC. Initially, we chose the wait and-watch approach; however, she gradually developed bloody diarrhea. Metronidazole improved her abdominal symptoms, as well as her colonoscopic and histopathological findings, suggesting that HIS was responsible for her colorectal inflammation. This case reveals (1) a possible pro-inflammatory role of HIS, (2) difficulties in diagnosing HIS in chronic proctocolitis, and (3) a possible inclusion of some HIS cases in "UC". HIS could mimic UC and might be included in differential diagnoses for UC. Antibiotic administration is necessary following the detection of HIS, particularly in patients demonstrating an atypical presentation of UC. PMID- 29204850 TI - Influence of blood pressure level and age on within-visit blood pressure variability in children and adolescents. AB - : Blood pressure (BP) is variable in children and this could affect BP assessment, but the magnitude of within-visit BP variability (BPV) over consecutive measurements has never been investigated. This study aimed to determine the direction and magnitude of, and factors affecting, within-visit BPV in children and adolescents. BP was recorded among 3047 children (aged 12 years [95%CI 12, 13], males 52%) from the 2011-2013 Australian Health Survey. BPV was defined as the absolute difference (?SBPABS) between the first (SBP1) and second systolic BP (SBP2) and the overall variability in three measures when available (SBPV). On average, ?SBPABS was 6.7 mmHg (95%CI 6.3, 7.0) and SBPV was 8.2% (95%CI 7.8, 8.6). ?SBPABS was greater with higher BP levels but lower with older age. From first to second measurements, SBP decreased in 58% (95%CI 56, 60), did not change in 10% (95%CI 9, 12), and increased in 32% (95%CI 29, 34) of the population. CONCLUSIONS: BP is highly variable in children and adolescents, with the magnitude of variability being associated with both age and BP level. SBP increases on repeat measurement in a substantial proportion of the population. The optimal protocol of BP assessment to address this increased BPV needs to be determined. What is Known: * Diagnosis of elevated blood pressure (BP) is based on strict probabilistic criteria, the difference between the 90th (pre hypertension) and 95th (hypertension) percentiles only being 3-4 mmHg. * BP variability could affect BP classification among children and adolescents. What is New: * The magnitude of BP change among children and adolescents is highly affected by BP level and age. * BP does not always drop on consecutive measurements, and evidence-based BP assessment protocols should be established to avoid misdiagnosis of hypertension. PMID- 29204851 TI - Fixed versus variable practice for teaching medical students the management of pediatric asthma exacerbations using simulation. AB - : Simulation-based trainings represent an interesting approach to teach medical students the management of pediatric asthma exacerbations (PAEs). In this study, we compared two pedagogical approaches, training students once on three different scenarios of PAEs versus training students three times on the same scenario of PAE. Eighty-five third-year medical students, novice learners for the management of PAEs, were randomized and trained. Students were assessed twice, 1 week and 4 months after the training, on a scenario of PAE new to both groups and on scenarios used during the training. The main outcome was the performance score on the new scenario of PAE at 1 week, assessed on a checklist custom-designed for the study. All students progressed rapidly and acquired excellent skills. One week after the training, there was no difference between the two groups on all the scenarios tested, including the new scenario of PAE (median performance score (IQR) of 8.3 (7.4-10.0) in the variation group versus 8.0 (6.0-10.0) in the repetition group (p = 0.16)). Four months later, the performance of the two groups remained similar. CONCLUSION: Varying practice with different scenarios was equivalent to repetitive practice on the same scenario for novice learners, with both methods leading to transfer and long-term retention of the skills acquired during the training. What is known: * Simulation-based trainings represent an interesting approach to teach medical students the management of pediatric asthma exacerbations. * It is unclear whether students would benefit more from repetitive practice on the same scenario of asthma exacerbation or from practice on different scenarios in terms of transfer of skills. What is new: * An individual 30-min training on the management of pediatric asthma exacerbations using simulation allows transfer and long-term retention of the skills acquired. * Varying practice with different scenarios is equivalent to repetitive practice on the same scenario in terms of transfer of skills. PMID- 29204852 TI - European Antibiotic Awareness Day 2017: training the next generation of health care professionals in antibiotic stewardship. AB - : Antimicrobial stewardship (AMS) aims to optimise treatment, minimise the risk of adverse effects and reduce health care costs. In addition, it is recognised as a key component to stop the current spread of antimicrobial resistance in Europe. Educational programmes are particularly important for the successful implementation of AMS. Training should start during medical school, continue during clinical training and be reinforced throughout postgraduate training. National core curricula for paediatric training should include passive and active training of competencies needed for AMS and future paediatricians should be skilled in taking leadership roles in AMS initiatives. Other core members of the paediatric AMS team should also receive training focused on the unique medical needs of the paediatric patient. CONCLUSION: Ideally, all communities, hospitals and health regions in Europe should have AMS that serve all patient types, including children. We all have the responsibility to ensure that existing antibiotics remain effective. What is Known: * Antimicrobial stewardship (AMS) is a key component to stop the current spread of antimicrobial resistance * Educational programmes are particularly important for the successful implementation of AMS What is New: * All medical doctors in Europe who will be undertaking significant practice in child health should master the competencies needed to prescribe antibiotics to children rationally as described in the European Academy of Paediatrics (EAP) Curriculum for Common Trunk Training in Paediatrics * Interdisciplinary approaches of education need to be developed, as all hospitals and health regions in Europe ideally should have AMS programmes that serve all patient types, including children. PMID- 29204854 TI - Nuclear cardiology in the literature: A selection of recent, original research papers. PMID- 29204853 TI - Health indicators and social gradient in adolescent immigrants' health risk and healthcare experiences. AB - : Few studies have assessed healthcare experiences in apparently healthy adolescents, or whether healthcare attitudes are linked to the two leading adolescent health indicators, smoking and obesity. Even fewer have examined these relationships in adolescent immigrant groups or made comparisons to adolescent non-immigrants. Using a cross-sectional study, healthcare experiences were compared among three groups of adolescents (n = 589) including Russian immigrants (n = 154), Ethiopian immigrants (n = 54), and non-immigrants (n = 381). Bootstrap estimates indicated positive healthcare experiences were less common among Russian adolescent immigrants (OR = 0.38, CI = 0.17, 0.86) compared to non immigrants, unless the Russian adolescent immigrants reported above average socioeconomic status, in which case they were more likely than non-immigrant adolescents to report positive healthcare experiences (OR = 3.22, CI = 1.05, 9.85). Positive healthcare experiences were less likely among adolescents who were smokers (OR = 0.50, CI = 0.27, 0.91), and more likely for adolescents with a normal or low BMI (OR = 3.16, CI = 1.56, 6.40) and for those relying on parents for health information (OR = 1.97, CI = 1.05, 3.70). CONCLUSION: Findings suggest a social gradient in which positive healthcare experiences were more common among adolescence with higher socioeconomic status for some immigrants (Russian adolescents) but not for others. The two leading health indicators were related to healthcare experiences, but as adolescent smokers were less likely to have positive healthcare experiences, proactive efforts are needed to engage this group. What is Known: * Health indicators (such as obesity) and healthcare attitudes are linked to healthcare service use among adolescents sampled from outpatient and inpatient populations. What is New: * A social gradient involving socioeconomic status and being an adolescent immigrant was found regarding risky health indicators (i.e., smoking, use of internet as the primary source of health information). * Problematic health indicators, such as smoking, is linked to less positive healthcare attitudes in apparently healthy adolescents (both immigrants and non-immigrants). PMID- 29204856 TI - ? PMID- 29204857 TI - ? PMID- 29204855 TI - Achieving Good Glycemic Control Early After Onset of Diabetes: A Cost Effectiveness Analysis in Patients with Type 1 Diabetes in Sweden. AB - INTRODUCTION: Sweden has amongst the highest incidence rates of type 1 diabetes (T1D) in Europe. The high incidence and chronic nature of T1D result in high prevalence and economic burden. Improving glycemic control reduces the incidence of microvascular complications, which in turn reduces medical costs. The present study aimed to quantify the reductions in cost and improvements in quality adjusted life expectancy with varying reductions in HbA1c in the T1D population. METHODS: The IQVIA CORE Diabetes Model was used to simulate a typical Swedish population of patients with T1D experiencing HbA1c reductions from 0.1% to 0.8% (in 0.1% increments) from 7.9% at baseline. Analyses were conducted in simulated cohorts based on data from the Swedish National Diabetes Register (NDR) and in subgroups by sex, smoking status, and body mass index (BMI), with different sets of quality-of-life utilities included. Generalized least squares (GLS) models were used to test for significant differences between subgroups. Analyses were also performed to investigate the effect of the duration of HbA1c control. Analyses were run over 50 years and outcomes discounted at 3% per annum. RESULTS: In the reference case analysis, reducing HbA1c lowered the incidence of microvascular and macrovascular complications and improved quality-adjusted life expectancy. GLS models identified a significantly larger benefit of reducing HbA1c in women over men, but found no significant differences in the magnitude of quality of life improvements with decreasing HbA1c when segregating by smoking status or BMI. CONCLUSIONS: Reducing HbA1c in a population with T1D would reduce the incidence of microvascular complications, improve life expectancy and quality of life. Larger quality-of-life benefits were observed in younger and female adult patients, but no notable differences were observed in the benefits of glycemic control in smokers versus non-smokers or in patients with low or high BMI. FUNDING: Novo Nordisk Scandinavia AB, Malmo, Sweden. PMID- 29204858 TI - A Retrospective Analysis of Corticosteroid Utilization Before Initiation of Biologic DMARDs Among Patients with Rheumatoid Arthritis in the United States. AB - INTRODUCTION: Understanding the effects of corticosteroid utilization prior to initiation of biologic disease-modifying antirheumatic drugs (DMARDs) can inform decision-makers on the appropriate use of these medications. This study examined treatment patterns and associated burden of corticosteroid utilization before initiation of biologic DMARDs among rheumatoid arthritis (RA) patients. METHODS: A retrospective analysis was conducted of adult RA patients in the US MarketScan Database (2011-2015). The following patterns of corticosteroid utilization were analyzed: whether corticosteroids were used; duration of use (short/long duration defined as < or >= 3 months); and dosage (low as < 2.5, medium as 2.5 to < 7.5 and high as >= 7.5 mg/day). Effects of corticosteroid use on time to biologic DMARD initiation were examined using Cox proportional hazards models. Likelihood and number of adverse events were examined using logistic and negative binomial regression models. Generalized linear models were used to examine healthcare costs. Independent variables in all models included patient demographics and health characteristics. RESULTS: A total of 25,542 patients were included (40.84% used corticosteroids). Lower hazard of biologic DMARD initiation was associated with corticosteroid use (hazard ratio = 0.89, 95% confidence interval = 0.83 0.96), long duration and lower dose. Corticosteroid users compared to non-users had higher incidence rates of various adverse events including cardiovascular events (P < 0.05). Higher likelihood of adverse events was associated with corticosteroid use and long duration of use, as was increased number of adverse events. Corticosteroid users had a greater annualized mean number of physician visits, hospitalizations, and emergency department (ED) visits than non-users in adjusted analysis. Corticosteroid users compared to non-users had higher mean costs for total healthcare, physician visits, hospitalizations, and ED visits. CONCLUSIONS: Among patients with RA, corticosteroid utilization is associated with delayed initiation of biologic DMARDS and higher burden of adverse events and healthcare utilization/costs before the initiation of biologic DMARDs. FUNDING: AbbVie Inc. PMID- 29204859 TI - Improvement in Diagnosis and Treat-to-Target Management of Hyperuricemia in Gout: Results from the GEMA-2 Transversal Study on Practice. AB - INTRODUCTION: The objective of the study was to evaluate changes regarding main European League Against Rheumatism (EULAR) recommendations on diagnosis and treatment of gout compared to a previous assessment. METHODS: The GEMA-2 (Gout Evaluation and MAnagement) is a transversal assessment of practice for gout by rheumatologists. Main outcome variables were improvement of the previous GEMA assessment regarding the rate of crystal-proven diagnosis and that reaching therapeutic serum urate target below 6 mg/dl at last visit. Other management variables (prophylaxis, treatment of flares, lifestyle change advice) were also evaluated along with general characteristics. The sample was powered to include at least 483 patients for up to 50% change. RESULTS: Data on management of 506 patients were retrieved from 38 out of 41 rheumatology units that participated in the previous GEMA audit. Crystal-proved diagnosis rate increased from 26% to 32% (31% improvement) and was higher in gout-dedicated practices; ultrasonography contributed to diagnosis in less than 1% of cases. Therapeutic serum urate at last visit improved from 41% to 64% of all patients (66% of patients on urate lowering medications), in any case over 50% improvement from the previous assessment. The use of any urate-lowering medication available was not prescribed as per label dosing in patients who failed to achieve target serum urate. Clinical inertia to increase doses of either allopurinol or febuxostat was still present in clinical practice. CONCLUSION: Over 50% improvement in targeting therapeutic serum urate has been observed, but clinical inertia is still present. Diagnosis is still mostly clinically based, ultrasonography not being commonly contributive. FUNDING: Menarini Espana. PMID- 29204860 TI - DEC1 is required for anti-apoptotic activity of gastric cancer cells under hypoxia by promoting Survivin expression. AB - BACKGROUND: Human differentiated embryonic chondrocyte-expressed gene 1 (DEC1), which has been reported to be overexpressed in several types of cancer, is associated with tumorigenesis through participation in several biological processes. However, the complex mechanisms underlying DEC1 during carcinogenesis are controversial, and its roles in the development and malignancy of gastric cancer (GC) remain unclear. METHODS: We measured DEC1 expression in human GC cell lines. DEC1 levels in GC cells were downregulated by shRNA lentivirus infection. We also evaluated the effect of DEC1 downregulation on xenograft growth in vivo. The viability and apoptosis of the cells were assayed using the CCK8 assay and flow cytometry. The levels of DEC1, Survivin, and Bcl-2 were evaluated by Western blotting. Luciferase reporter was used to verify the downstream target of DEC1. The association of DEC1 and Survivin expression with prognosis was investigated by immunohistochemistry. RESULTS: Downregulation of DEC1 inhibits GC cell proliferation in vitro and tumorigenicity in vivo. We observed that hypoxia induced expression of DEC1 protects GC cells from apoptosis via transcriptional upregulation of Survivin. Furthermore, positive correlations between DEC1 with Survivin expression were observed in tissue sections from GC patients. Notably, GC patients with high expression levels of DEC1 and Survivin showed poor prognosis. CONCLUSIONS: DEC1 acts as an anti-apoptotic regulator in GC cells under hypoxia by promoting Survivin expression. Our study demonstrates the critical role of the DEC1 in oncogenesis and highlights a novel role for DEC1 in the regulation of cell apoptosis in GC. PMID- 29204861 TI - Kinematically aligned total knee arthroplasty reduces knee adduction moment more than mechanically aligned total knee arthroplasty. AB - PURPOSE: Knee adduction moment (KAM) has been recognized as a good clinical surrogate for medial tibiofemoral joint loading and is associated with implant durability after total knee arthroplasty (TKA). This study aimed to examine the effects of joint line obliquity in kinematically aligned TKA (KA-TKA) on KAM during gait. METHODS: The study enrolled 21 knees from 18 patients who underwent cylindrical axis reference KA-TKA and a matched group of 21 knees from 18 patients who underwent mechanically aligned (MA)-TKA as controls. Gait analyses were performed the day before TKA and at an overall mean of 2.6 years postoperatively. First peak KAM and variables associated with frontal knee kinetics were determined and compared between groups. RESULTS: In KA-TKA, the proximal tibia was resected with 3.4 degrees +/- 1.5 degrees of varus in relation to the mechanical axis, and the final femorotibial shaft axis was 176.7 degrees +/- 3.8 degrees with KA-TKA and 174.4 degrees +/- 3.0 degrees with MA TKA. KAM was significantly smaller with KA-TKA than with MA-TKA (p < 0.032). Regarding variables affecting KAM, significant differences were evident between the two TKAs for knee adduction angle (p = 0.0021), lever arm (p = 0.028), and Deltalever arm (p = 0.0001). CONCLUSIONS: In KA-TKA, joint line obliquity reduced peak KAM during gait, despite slight varus limb alignment, and this reduced KAM in KA-TKA can tolerate constitutional varus alignment. In clinical settings, KA TKA thus represents a promising technical option for patients with large coronal bowing of the shaft carrying a risk of increased KAM after TKA. LEVEL OF EVIDENCE: III. PMID- 29204862 TI - The trochlear isometric point is different in patients with recurrent patellar instability compared to controls: a radiographical study. AB - PURPOSE: The purpose of the study was to investigate the theoretical isometric point based of the curve of the femoral groove and relating it to the origin of the MPFL femoral tunnel on lateral radiograph by comparing a patellar instability cohort with a control cohort. METHODS: From a Patellar Instability database the radiographs of 40 consecutive patients were analysed to define Schottle's point, and the arc of the circle of the trochlear groove. A comparison population of 20 radiographs from comparable patients with tibiofemoral joint disorders was used as a control. The distance from Schottle's point to the most anterior part of the groove (extension) was also compared to the distance to the distal end of the roof of the notch (flexion). RESULTS: The trochlea was circular in the controls but not the Patellofemoral Instability cohort where trochlear dysplasia is usually present. The difference between the extension and flexion length was a mean of - 2.0 +/- 0.5 mm in the controls and + 6.0 +/- 0.5 mm in the patellofemoral cohort. In neither cohort did the centre of the circle correspond to Schottle's point. The extension distance correlated with the boss height. CONCLUSIONS: The dysplastic trochlea is not circular and the centre of the best matched circle was different to the control trochleae which were circular. The circle centres did not correlate with Schottle's point for either cohort, and was more proximal in the Patellofemoral Instability cohort. CLINICAL RELEVANCE: For the MPFL to have equal tension throughout flexion within the groove, the length should not change. In normal knees the MPFL does not behave isometrically. The change in length, as measured from Schottle's point to the trochlea, was greater for patellofemoral instability patients explaining why an isolated MPFL reconstruction in the presence of severe trochlear dysplasia risks poor outcomes. Level of evidence III. PMID- 29204864 TI - ERP evidence for temporal independence of set size and object updating in object substitution masking. AB - To keep track of dynamically changing objects in one's environment, it is necessary to individuate them from other objects, both temporally and spatially. Spatially, objects can be selected from nearby distractors using selective attention. Temporally, object updating processes incorporate new information into existing representations over time. Both of these processes have been implicated in a type of visual masking called object-substitution masking (OSM). Previous studies have found that the number of distractors (impacting selective attention) interacts with the strength of OSM. However, it has been suggested that this interaction is an artifact of ceiling performance at low set sizes, rather than necessitating a failure of attention during masking. Using event-related potentials (ERPs), we examined whether set size and masking interact as measured by markers of selective attention (N2pc) and visual working memory consolidation/maintenance (SPCN). Set size was found to affect the N2pc (200-350 ms) and late SPCN (500-650 ms), reflecting increased demands on selective attention and unnecessary storage respectively. An early window of the SPCN (350 500 ms) was affected by masking, suggesting that OSM influences object consolidation processes in this window, independent of the number of distractors. Overall, it was found that selective attention and visual awareness are dissociable neural processes in OSM, and that they are independently affected by set size and masking manipulations. Moreover, we found that the early SPCN may reflect disruptions to object consolidation, potentially revealing a neural mechanism supporting an object individuation-through-updating account of OSM. PMID- 29204863 TI - No difference in prevalence of spine and hip pain in young Elite skiers. AB - PURPOSE: To investigate the prevalence between back and hip pain in young Elite skiers. METHODS: Sample group (n = 102), consisted of young Elite skiers (n = 75) and age-matched non-athletes (n = 27), all completed a three-part back and hip pain questionnaire, Oswestry Disability Index and EuroQoL to evaluate general health, activity level, back and hip pain prevalence. RESULTS: No significant differences were shown for lifetime prevalence of back pain in the skiers (50%) compared with controls (44%) (n.s.). Duration of back pain for the skiers showed (30%) > 1 year, whilst (46%) > 5 years. A significant difference was shown with increased Visual Analogue Scale back pain levels for skiers 5.3 (SD 3.1) compared with controls 2.4 (SD 1.9, p = 0.025). No significant differences were shown for lifetime prevalence of hip pain in skiers (21%) compared with controls (8%) (n.s.). CONCLUSION: Young Elite skiers are shown not to have increased lifetime prevalence for back and hip pain compared with a non-athletic control group. LEVEL OF EVIDENCE: II. PMID- 29204865 TI - The role of top-down knowledge about environmental context in egocentric distance judgments. AB - Judgments of egocentric distances in well-lit natural environments can differ substantially in indoor versus outdoor contexts. Visual cues (e.g., linear perspective, texture gradients) no doubt play a strong role in context-dependent judgments when cues are abundant. Here we investigated a possible top-down influence on distance judgments that might play a unique role under conditions of perceptual uncertainty: assumptions or knowledge that one is indoors or outdoors. We presented targets in a large outdoor field and in an indoor classroom. To control visual distance and depth cues between the environments, we restricted the field of view by using a 14-deg aperture. Evidence of context effects depended on the response mode: Blindfolded-walking responses were systematically shorter indoors than outdoors, whereas verbal and size gesture judgments showed no context effects. These results suggest that top-down knowledge about the environmental context does not strongly influence visually perceived egocentric distance. However, this knowledge can operate as an output-level bias, such that blindfolded-walking responses are shorter when observers' top-down knowledge indicates that they are indoors and when the size of the room is uncertain. PMID- 29204866 TI - Tracking working memory maintenance with pupillometry. AB - Phasic pupillary responses were used to track the active maintenance of information in working memory (WM). In seven experiments participants performed various change detection tasks while their pupils were continuously recorded. Across the experiments phasic pupillary responses increased as the number of maintained items increased up to around 4-5 items consistent with behavioral estimates of capacity. Combining data across experiments demonstrated that phasic pupillary responses were related to behavioral estimates of capacity. Furthermore, phasic pupillary responses demonstrated WM load-dependent relations only when active maintenance was required. When instructed to passively stare at the items or to drop items from WM, the pupil remained near baseline levels. These phasic pupillary responses also tracked the time course of maintenance demonstrating sustained responses early in the delay period, but declined thereafter. Finally, phasic pupillary responses tracked selection processes at encoding (filtering and pre-cues), but did not suggest evidence for item removal following retro-cues. These results are consistent with the notion that maintaining items in WM requires the allocation of effortful attention and further suggest that phasic pupillary responses can be used to track the active maintenance of items in WM. PMID- 29204867 TI - Talking heads or talking eyes? Effects of head orientation and sudden onset gaze cues on attention capture. AB - The direction of gaze towards or away from an observer has immediate effects on attentional processing in the observer. Previous research indicates that faces with direct gaze are processed more efficiently than faces with averted gaze. We recently reported additional processing advantages for faces that suddenly adopt direct gaze (abruptly shift from averted to direct gaze) relative to static direct gaze (always in direct gaze), sudden averted gaze (abruptly shift from direct to averted gaze), and static averted gaze (always in averted gaze). Because changes in gaze orientation in previous study co-occurred with changes in head orientation, it was not clear if the effect is contingent on face or eye processing, or whether it requires both the eyes and the face to provide consistent information. The present study delineates the impact of head orientation, sudden onset motion cues, and gaze cues. Participants completed a target-detection task in which head position remained in a static averted or direct orientation while sudden onset motion and eye gaze cues were manipulated within each trial. The results indicate a sudden direct gaze advantage that resulted from the additive role of motion and gaze cues. Interestingly, the orientation of the face towards or away from the observer did not influence the sudden direct gaze effect, suggesting that eye gaze cues, not face orientation cues, are critical for the sudden direct gaze effect. PMID- 29204868 TI - Increased live births after day 5 versus day 6 transfers of vitrified-warmed blastocysts. AB - PURPOSE: An investigation into the clinical implications of delayed blastulation (day 5 versus day 6) was carried out for cryo cycles, as heterogeneous results persist in the current literature. METHODS: We performed a retrospective study comparing clinical pregnancies and live births between 178 blastocysts vitrified and warmed on day 5 versus 149 on day 6. The stage of blastocyst development was taken into account and adjustment for confounding factors was performed. RESULTS: Our results demonstrate a significant difference in clinical pregnancy (43 versus 23% p value < 0.001) and live birth rates (34 versus 16% p value < 0.001) regarding the day of vitrification, in favour of day 5. This difference persisted after adjustment for confounding factors. The adjusted odds ratio for clinical pregnancies and deliveries for the day 5 group compared to that of the day 6 group was 2.83 (95%CI, 1.48 to 5.41) and 2.94 (95%CI, 1.39 to 6.22), respectively. When the stage of development of the blastocyst was taken into consideration, we still observed a significant advantage of day 5 versus day 6 vitrification. CONCLUSIONS: Day of vitrification (day 5 versus day 6) appears to be an independent predictor of clinical outcomes. Stratification of our cohort was carried out according to the developmental stage, and significant differences persisted. Although the transfer of day 6 cryopreserved embryos remains a viable option, giving priority to a day 5 embryo would reduce the time to pregnancy. PMID- 29204870 TI - Correction to: Age estimation based on pelvic ossification using regression models from conventional radiography. AB - The original version of this article unfortunately contained a mistake in the Results section. The correct equation from the cubic regression analysis for male is: Age = 14.408 + 0.475X-0.064X2 + 0.005X3, and for the female is: 18.196-1.637X + 0.204X2-0.005X3. The error doesn't affect the main conclusion. PMID- 29204869 TI - Estrogen treatment in infertile women with premature ovarian insufficiency in transitional phase: a retrospective analysis. AB - PURPOSE: During the transitional phase of premature ovarian insufficiency (POI), sporadic resumption of ovulation is possible because of fluctuation of hormonal levels but the chance of spontaneous pregnancy is low, and the main perspective of childbearing in these women is egg donation or adoption. The purpose of the study was to verify whether treatment with estrogens in POI patients in transitional phase could reduce FSH levels and to evaluate if this pre-treatment could improve reproductive outcomes of in vitro fertilization (IVF). METHODS: Study patients (26) were administered with valerate estradiol 2 mg daily adding dihydrogesterone 10 mg daily during luteal phase for 3 months before IVF. Control group (26 patients) did not receive any pre-treatment. Ovarian stimulation was conducted in both groups with the same short GnRH-antagonist protocol. Clinical and laboratory data of patients were retrospectively analyzed. RESULTS: In the study group, 4/26 POI patients became spontaneously pregnant during pre treatment. In the remaining patients, the mean level of FSH after the pre treatment was significantly reduced compared with baseline. Levels of circulating estradiol on the day of hCG administration were significantly higher in the study group. The total number of MII oocytes retrieved and fertilized oocytes was significantly higher in the study group, as well as the number of embryos transferred for pickup and clinical pregnancy rate. CONCLUSIONS: Treatment with estrogens in infertile POI patients in transitional phase reduces circulating FSH levels, hence causing potential spontaneous conception. Moreover, in these patients, estrogen pre-treatment seems to improve IVF outcomes in a GnRH antagonist short protocol compared to no pre-treatment. PMID- 29204871 TI - Bone Marrow Mesenchymal Stem Cells Combat Lipopolysaccharide-Induced Sepsis in Rats via Amendment of P38-MAPK Signaling Cascade. AB - Sepsis is a systemic inflammatory disorder which often occurs during extremely stressful conditions such as trauma, burn, shock, and infection. This study investigated the curative effects of bone marrow-derived mesenchymal stem cells (BM-MSCs) against hepatic, renal, and pulmonary responses caused by a single administration of lipopolysaccharide (LPS) (10 mg/kg, i.p) in rats. Treatment with BM-MSCs (5 * 105 in 0.1 ml PBS, i.p.) 3 h after LPS antagonized the LPS induced increment of the liver enzymes (ALT, AST) and kidney functions (BUN, sCr). BM-MSCs decreased tissue levels of P38-MAPK, NF-kappaB, STAT-3, TNF-alpha, IL-1beta, iNOS, Bax together with elevation of the anti-inflammatory cytokine IL 10 and the anti-apoptotic biomarker Bcl-2. Meanwhile, rats exhibited marked reduction of the broncho-alveolar lavage fluid levels of TNF-alpha, IL-1beta, and IFN-gamma. Interestingly, BM-MSCs normalized both broncho-alveolar lavage fluid (BALF) neutrophils count and lung wet/dry ratios. Briefly, these findings may provide a preclinical platform for the management of LPS-induced sepsis using BM MSCs via their ameliorative anti-inflammatory, anti-oxidant, and anti-apoptotic potentials. PMID- 29204873 TI - Abstracts 2017. PMID- 29204874 TI - Continuing education: from FRCPC to ACGME fellowship. PMID- 29204872 TI - Anti-inflammatory Effects of Rosmarinic Acid in Lipopolysaccharide-Induced Mastitis in Mice. AB - Rosmarinic acid (RA), a type of food additives mainly extracted from rosemary, has been reported to possess anti-inflammatory activities in some previous studies. However, the effects of RA on lipopolysaccharide (LPS)-induced mastitis have not been reported. Here, we investigated the anti-inflammatory effects of RA on LPS-induced mastitis in mice and elucidated the potential mechanisms in mouse mammary epithelial cells (mMECs). RA treatment significantly ameliorated the mammary structural damage, and reduced the activity of myeloperoxidase. ELISA and qPCR results indicated that RA dose-dependently decreased the expression of TNF alpha, IL-1beta, and IL-6 both in tissues and mMECs. Furthermore, RA remarkably suppressed the protein levels of TLR4, MyD88, IRAK1, TRAF6, and p-IKKbeta. In addition, RA was also found to inhibit LPS-induced NF-kappaB signaling pathway activation. These results suggest that RA effectively attenuates LPS-induced mastitis by inhibiting the TLR4/MyD88/NF-kappaB signaling pathway. PMID- 29204875 TI - Focused assessment with sonography in trauma: a review of concepts and considerations for anesthesiology. AB - The use of point-of-care ultrasound in trauma provides diagnostic clarity and routinely influences management. A scanning protocol known as the Focused Assessment with Sonography in Trauma (FAST) has been widely adopted by trauma providers of all specialties. The FAST exam addresses a broad array of pathologic conditions capable of causing instability, including hemoperitoneum, hemopericardium, hemothorax, and pneumothorax. The exam is an integral component to the primary assessment of injured patients and an iconic application of point of-care ultrasound.This review article aims to summarize the application of the FAST exam with special consideration, where relevant, to anesthesiologists. The scope of the FAST exam, technical considerations, and clinical decision-making in trauma are explored. PMID- 29204876 TI - High intraoperative endotracheal tube cuff pressure incidence and clinical impact. PMID- 29204877 TI - How multi-scale structural biology elucidated context-dependent variability in ectodomain conformation along with the ligand capture and release cycle for LDLR family members. AB - The low-density lipoprotein receptor (LDLR) and its homologs capture and internalize lipoproteins into the cell. Due to the fact that LDLR family members possess a modular ectodomain that undergoes dynamic conformational changes, multi scale structural analysis has been performed so as to understand the ligand capture and release mechanism. For example, crystallographic analyses have provided models for both the entire ectodomain and high-resolution structures of individual modules. In addition, nuclear magnetic resonance spectroscopic analyses have shown the rigidity and flexibility of inter-module linkers to restrict the mobility of ectodomain. Accumulated structural data suggest that the ectodomains of LDLR family members are flexible at the cell surface and switch between two metastable conformations, that is, the extended and contracted conformations. Recent structural analysis of ApoER2, a close homolog of LDLR, raised the possibility that the receptor binds with the ligand in the contracted conformation. After transport to an endosome by endocytosis, the receptor undergoes a conformational change to the closed conformation for completion of ligand release. In contrast, LDLR has been reported to adopt the extended conformation when it binds with a inhibitory regulator that recruits LDLR toward the degradation pathway. These findings support a mechanism of different ectodomain conformations for binding the ligand versus binding the regulatory protein. In this review, I provide an overview of studies that analyze the structural and biophysical properties of the ectodomains of LDLR family members and discuss a hypothetical model for ligand uptake and receptor recycling that integrates the known ectodomain conformational variability. PMID- 29204878 TI - Gliadins from wheat grain: an overview, from primary structure to nanostructures of aggregates. AB - Gliadins are well-known wheat grain proteins, particularly important in food science. They were studied as early as the 1700s. Despite their long history, it has been difficult to identify their higher-order structure as they aggregate in aqueous solution. Consequently, most studies have been performed by extracting the proteins in 70% ethanol or dilute acidic solutions. The carboxy-terminal half of alpha- and gamma-gliadins have alpha-helix-rich secondary structures stabilized with intramolecular disulfide bonds, which are present in either aqueous ethanol or pure water. The amino-terminal-repeat region of alpha- and gamma-gliadins has poly-L-proline II and beta-reverse-turn structures. omega Gliadins also have poly-L-proline II and beta-reverse-turn structures, but no alpha-helix structure. The size and shape of gliadin molecules have been determined by assessing a variety of parameters: their sedimentation velocity in the analytical ultracentrifuge, intrinsic viscosity, small-angle X-ray scattering profile, and images of the proteins from scanning probe microscopes such as a tunneling electron microscope and atomic force microscope. Models for gliadins are either rods or prolate ellipsoids whether in aqueous ethanol, dilute acid, or pure water. Recently, gliadins have been shown to be soluble in pure water, and a novel extraction method into pure water has been established. This has made it possible to analyze gliadins in pure water at neutral pH, and permitted the characterization of hydrated gliadins. They formed hierarchical nanoscale structures with internal density fluctuations at high protein concentrations. PMID- 29204879 TI - Reconstitution of membrane tethering mediated by Rab-family small GTPases. AB - Membrane tethering is one of the most critical steps to determine the spatiotemporal specificity of membrane trafficking, which is the process to selectively transport proteins, lipids, and other biological molecules to the appropriate locations in eukaryotic cells, such as subcellular organelles, the plasma membrane, and the extracellular space. Based on genetic, cell biological, biochemical, and structural studies, Rab-family small GTPases and a number of Rab interacting proteins (termed Rab effectors), including coiled-coil tethering proteins and multisubunit tethering complexes, have been proposed to be key protein components for membrane tethering. Nevertheless, indeed whether and how Rab GTPases and their specific Rab effectors directly act upon and catalyze membrane tethering still remains enigmatic. By chemically defined reconstitution of membrane tethering from purified Rab-family GTPase proteins and synthetic liposomal membranes, recent studies have revealed the intrinsic potency of Rab family GTPases to physically and specifically tether two distinct lipid bilayers of liposomal membranes. Experimental evidence from these reconstitution studies support the novel working model in which Rab-family small GTPases act as a bona fide membrane tether for mediating membrane tethering events in eukaryotic membrane trafficking. PMID- 29204880 TI - Formation and properties of amyloid fibrils of prion protein. AB - Amyloid fibrils formed from prion protein (PrP) are associated with prion diseases. In this review we discuss a number of extrinsic and intrinsic experimental factors related to the formation of PrP amyloid fibrils in vitro. We first examined the effects of ultrasonic power on the induction of amyloid fibrillation from PrP. The most important conclusion drawn from the results is that an applied ultrasonic power of approximately 2 W enhanced the nucleation of amyloid fibrils efficiently but that more powerful ultrasonication led to retardation of growth. We also reviewed evidence on the amyloidogenic regions of PrP based on peptide screening throughout the polypeptide sequence. These results showed that helix 2 (H2) peptides of PrP were capable of both the fibrillation and propagation of straight, long fibrils. Moreover, the conformation of preformed H2 fibrils changed reversibly depending on the pH of the solution, implying that interactions between side-chains modulated the conformation of amyloid fibrils. The evidence discussed in this review relates specifically to PrP but may be relevant to other amyloidogenic proteins. PMID- 29204881 TI - Environment-transformable sequence-structure relationship: a general mechanism for proteotoxicity. AB - In his Nobel Lecture, Anfinsen stated "the native conformation is determined by the totality of interatomic interactions and hence by the amino acid sequence, in a given environment." As aqueous solutions and membrane systems co-exist in cells, proteins are classified into membrane and non-membrane proteins, but whether one can transform one into the other remains unknown. Intriguingly, many well-folded non-membrane proteins are converted into "insoluble" and toxic forms by aging- or disease-associated factors, but the underlying mechanisms remain elusive. In 2005, we discovered a previously unknown regime of proteins seemingly inconsistent with the classic "Salting-in" dogma: "insoluble" proteins including the integral membrane fragments could be solubilized in the ion-minimized water. We have thus successfully studied "insoluble" forms of ALS-causing P56S-MSP, L126Z-SOD1, nascent SOD1 and C71G-Profilin1, as well as E. coli S1 fragments. The results revealed that these "insoluble" forms are either unfolded or co-exist with their unfolded states. Most unexpectedly, these unfolded states acquire a novel capacity of interacting with membranes energetically driven by the formation of helices/loops over amphiphilic/hydrophobic regions which universally exit in proteins but are normally locked away in their folded native states. Our studies suggest that most, if not all, proteins contain segments which have the dual ability to fold into distinctive structures in aqueous and membrane environments. The abnormal membrane interaction might initiate disease and/or aging processes; and its further coupling with protein aggregation could result in radical proteotoxicity by forming inclusions composed of damaged membranous organelles and protein aggregates. Therefore, environment-transformable sequence structure relationship may represent a general mechanism for proteotoxicity. PMID- 29204882 TI - Multiscale molecular dynamics simulations of rotary motor proteins. AB - Protein functions require specific structures frequently coupled with conformational changes. The scale of the structural dynamics of proteins spans from the atomic to the molecular level. Theoretically, all-atom molecular dynamics (MD) simulation is a powerful tool to investigate protein dynamics because the MD simulation is capable of capturing conformational changes obeying the intrinsically structural features. However, to study long-timescale dynamics, efficient sampling techniques and coarse-grained (CG) approaches coupled with all atom MD simulations, termed multiscale MD simulations, are required to overcome the timescale limitation in all-atom MD simulations. Here, we review two examples of rotary motor proteins examined using free energy landscape (FEL) analysis and CG-MD simulations. In the FEL analysis, FEL is calculated as a function of reaction coordinates, and the long-timescale dynamics corresponding to conformational changes is described as transitions on the FEL surface. Another approach is the utilization of the CG model, in which the CG parameters are tuned using the fluctuation matching methodology with all-atom MD simulations. The long timespan dynamics is then elucidated straightforwardly by using CG-MD simulations. PMID- 29204883 TI - Multiple analyses of protein dynamics in solution. AB - The need for accurate description of protein behavior in solution has gained importance in various fields, including biophysics, biochemistry, structural biology, drug discovery, and antibody drugs. To achieve the desired accuracy, multiple precise analyses should be performed on the target molecule, compared, and effectively combined. This review focuses on the combination of multiple analyses in solution: size-exclusion chromatography (SEC), multi-angle light scattering (MALS), small-angle X-ray scattering (SAXS), analytical ultracentrifugation (AUC), and their complementary methods, such as atomic force microscopy (AFM) and mass spectrometry (MS). We also discuss the comparison between the determined molar mass value of not only the standard proteins, but of a target molecule tubulin and its depolymerizing protein, KIF2, as an example. The comparison of the estimated molar mass value from the different methods provides additional information about the target molecule, because the value reflects the dynamically changing states of the target molecule in solution. The combination and integration of multiple methods will permit a deeper understanding of protein dynamics in solution. PMID- 29204885 TI - Bacteriophage T4 long tail fiber domains. AB - Bacteriophage T4 initially recognizes its host cells using its long tail fibers. Long tail fibers consist of a phage-proximal and a phage-distal rod, each around 80 nm long and attached to each other at a slight angle. The phage-proximal rod is formed by a homo-trimer of gene product 34 (gp34) and is attached to the phage distal rod by a monomer of gp35. The phage-distal rod consists of two protein trimers: a trimer of gp36, attached to gp35, although most of the phage-distal rod, including the receptor-binding domain, is formed by a trimer of gp37. In this review, we discuss what is known about the detailed structure and function of the different long tail fiber domains. Partial crystal structures of gp34 and gp37 have revealed the presence of new protein folds, some of which are present in several repeats, while others are apparently unique. Gp38, a phage chaperone protein necessary for folding of gp37, is thought to act on an alpha-helical coiled-coil region in gp37. Future studies should reveal the remaining structure of the long tail fibers, how they assemble into a functional unit, and how the long tail fibers trigger the infection process after successful recognition of a suitable host bacterium. PMID- 29204884 TI - Structure and assembly mechanism of virus-associated pyramids. AB - Viruses have developed intricate molecular machines to infect, replicate within and escape from their host cells. Perhaps one of the most intriguing of these mechanisms is the pyramidal egress structure that has evolved in archaeal viruses, such as SIRV2 or STIV1. The structure and mechanism of these virus associated pyramids (VAPs) has been studied by cryo-electron tomography and complementary biochemical techniques, revealing that VAPs are formed by multiple copies of a virus-encoded 10-kDa protein (PVAP) that integrate into the cell membrane and assemble into hollow, sevenfold symmetric pyramids. In this process, growing VAPs puncture the protective surface layer and ultimately open to release newly replicated viral particles into the surrounding medium. PVAP has the striking capability to spontaneously integrate and self-assemble into VAPs in biological membranes of the archaea, bacteria and eukaryotes. This renders the VAP a universal membrane remodelling system. In this review, we provide an overview of the VAP structure and assembly mechanism and discuss the possible use of VAPs in nano-biotechnology. PMID- 29204886 TI - Membrane-mediated amyloid deposition of human islet amyloid polypeptide. AB - Amyloid deposition of human islet amyloid polypeptide (hIAPP) within the islet of Langerhans is closely associated with type II diabetes mellitus. Accumulating evidence indicates that the membrane-mediated aggregation and subsequent deposition of hIAPP are linked to the dysfunction and death of insulin-producing pancreatic beta-cells, but the molecular process of hIAPP deposition is poorly understood. In this review, I focus on recent in vitro studies utilizing model membranes to observe the membrane-mediated aggregation/deposition of hIAPP. Membrane surfaces can serve as templates for both hIAPP adsorption and aggregation. Using high-sensitivity surface analyzing/imaging techniques that can characterize the processes of hIAPP aggregation and deposition at the membrane surface, these studies provide valuable insights into the mechanism of membrane damage caused by amyloid deposition of the peptide. PMID- 29204888 TI - Initial robotic assistance in the surgical management of renal cell carcinoma with level 4 cavoatrial thrombus. AB - We report a case of left-sided renal cell carcinoma (RCC) with level 4 cavoatrial tumor thrombus where robotic assistance was used to achieve hemostasis around the kidney in order to minimize coagulopathic hemorrhage from the nephrectomy bed during subsequent open completion nephrectomy and cavoatrial thrombectomy under extracorporeal circulation and hypothermic circulatory arrest. Robotic assistance allowed for meticulous dissection and ligation of parasitic and arterial vessels to the kidney, release of renal attachments, and exposure of the inferior vena cava. The kidney was mobilized while leaving the renal vein attached and tumor thrombus undisturbed using a "minimal touch" technique. Open completion nephrectomy and cavoatrial thrombectomy was then performed. An experienced cardiac anesthesia team performed intraoperative cardiac monitoring, including trans-esophageal echocardiography. A cardiothoracic surgeon was immediately available throughout the case. Cardiopulmonary bypass was initiated within 60 min of open incision with a total duration a circulatory arrest time of 25 min. There was no bleeding from the nephrectomy bed during bypass despite heparinization and hypothermia. A left RCC with level 4 thrombus may be approached with initial robotic assistance to achieve hemostasis of the nephrectomy bed for subsequent open completion nephrectomy and cavoatrial thrombectomy under extracorporeal circulation and hypothermic circulatory arrest. PMID- 29204887 TI - Molecular evolution of an oligomeric biocatalyst functioning in lysine biosynthesis. AB - Dihydrodipicolinate synthase (DHDPS) is critical to the production of lysine through the diaminopimelate (DAP) pathway. Elucidation of the function, regulation and structure of this key class I aldolase has been the focus of considerable study in recent years, given that the dapA gene encoding DHDPS has been found to be essential to bacteria and plants. Allosteric inhibition by lysine is observed for DHDPS from plants and some bacterial species, the latter requiring a histidine or glutamate at position 56 (Escherichia coli numbering) over a basic amino acid. Structurally, two DHDPS monomers form the active site, which binds pyruvate and (S)-aspartate beta-semialdehyde, with most dimers further dimerising to form a tetrameric arrangement around a solvent-filled centre cavity. The architecture and behaviour of these dimer-of-dimers is explored in detail, including biophysical studies utilising analytical ultracentrifugation, small-angle X-ray scattering and macromolecular crystallography that show bacterial DHDPS tetramers adopt a head-to-head quaternary structure, compared to the back-to-back arrangement observed for plant DHDPS enzymes. Finally, the potential role of pyruvate in providing substrate mediated stabilisation of DHDPS is considered. PMID- 29204889 TI - Authorization of tissues from deceased patients for genetic research. AB - Tissues from deceased donors provide important data for genomic research and Organ Procurement Organizations (OPOs) play a significant role. To understand the decisions of families who donated for transplantation and made decisions about donation to the Genotype-Tissue Expression Project (GTEx), we examined donation decisions of family decision makers (FDMs). 413 families were interviewed by telephone. The OPO staff who made the transplant and research requests completed self-administered surveys; a total of 309 matching surveys from 99 OPO staff were obtained. 76.8% of families donated to the GTEx project. Logistic regression analysis found that FDM consent to GTEx donation was associated with endorsement of policies to promote biobanking (OR = 1.35), positive attitudes about medical research (OR = 1.1), lack of concern regarding a breach of confidentiality (OR = 1.54), comfort with tissue donation (OR = 1.24), and prior authorization to solid organ donation (OR = 3.17). OPO staff characteristics associated with GTEx donation included being female (OR = 3.57), White (OR = 4.97), comfort with hospital staff role in donation (OR = 1.61), and number of topics discussed with families (OR = 57.9). Donor type, FDM attitudes, OPO staff sociodemographics, OPO comfort with the GTEx authorization process, and intensity of discussing research specific issues were significantly associated with GTEx donation decisions. PMID- 29204890 TI - DNA Cryptography and Deep Learning using Genetic Algorithm with NW algorithm for Key Generation. AB - Cryptography is not only a science of applying complex mathematics and logic to design strong methods to hide data called as encryption, but also to retrieve the original data back, called decryption. The purpose of cryptography is to transmit a message between a sender and receiver such that an eavesdropper is unable to comprehend it. To accomplish this, not only we need a strong algorithm, but a strong key and a strong concept for encryption and decryption process. We have introduced a concept of DNA Deep Learning Cryptography which is defined as a technique of concealing data in terms of DNA sequence and deep learning. In the cryptographic technique, each alphabet of a letter is converted into a different combination of the four bases, namely; Adenine (A), Cytosine (C), Guanine (G) and Thymine (T), which make up the human deoxyribonucleic acid (DNA). Actual implementations with the DNA don't exceed laboratory level and are expensive. To bring DNA computing on a digital level, easy and effective algorithms are proposed in this paper. In proposed work we have introduced firstly, a method and its implementation for key generation based on the theory of natural selection using Genetic Algorithm with Needleman-Wunsch (NW) algorithm and Secondly, a method for implementation of encryption and decryption based on DNA computing using biological operations Transcription, Translation, DNA Sequencing and Deep Learning. PMID- 29204891 TI - Spatial scales of living cells and their energetic and informational capacity. AB - Physical (thermodynamic and kinetic), chemical, and biological reasoning restrict the spatial dimensions of living cells (prokaryotic and eukaryotic) and confine them to between 1 and 100 um. Cells should necessarily be macroscopic, dissipative objects, resisting thermal fluctuations and providing sufficient informational capacity. The upper limit of the spatial dimensions of cells is supplied by their ability to withstand gravity and inertia forces under reasonable deformations. The upper limit of cell dimensions is also governed by the hierarchy of characteristic time scales, inherent for mass and heat transport. For micron-scaled cells, the "traffic time" (namely a typical time necessary for the migration of one enzyme to another) is on the order of magnitude of a millisecond, which coincides with the characteristic time scale of a single round of the catalytic enzyme cycle. The macroscopic dimensions of living cells (seen as dissipative systems) and the hierarchy of time scales of the mass transfer processes vs. those inherent for heat transport and viscous dissipation give rise to the irreversibility of biological processes. PMID- 29204892 TI - Erratum to: HPLC Determination of Bioactive Sulfur Compounds, Amino Acids and Biogenic Amines in Biological Specimens. PMID- 29204893 TI - The Development of a Patient-Reported Outcome Measure for Assessment of Genital Psoriasis Symptoms: The Genital Psoriasis Symptoms Scale (GPSS). AB - INTRODUCTION: Patient-reported outcome measures (PROs) specific for genital psoriasis (GenPs) have not been described. METHODS: In this cross-sectional, qualitative study in patients with moderate-to-severe GenPs, we sought to develop a PRO useful for GenPs symptom assessment. A literature review was performed to identify relevant psoriasis or GenPs symptoms and existing PROs that may be useful in the evaluation of symptom severity in GenPs patients. The literature review findings were discussed with clinicians, and then patients with GenPs. RESULTS: Relevant psoriasis or GenPs symptoms from the literature review included itch, pain, scaling, redness/erythema, and stinging/burning. The validity of these symptoms for GenPs and potentially relevant PROs was corroborated by clinical experts. After gap analysis, a draft symptom scale consisting of Numeric Rating Scale (NRS) items was constructed. We then conducted interviews with GenPs patients (n = 20) to support content validity and use of the draft symptom NRS items in routine practice and in clinical trials. Participants identified and confirmed relevant symptoms and evaluated the utility of the draft PRO. A new PRO was developed: the Genital Psoriasis Symptoms Scale (GPSS). Cognitive debriefing and cultural adaptation/translation interviews with a second group of patients confirmed cultural appropriateness of the GPSS. CONCLUSION: The GPSS may be useful for assessing symptoms before, during, and after treatment in routine clinical practice and in clinical trials involving patients with GenPs. FUNDING: Eli Lilly & Company. Plain language summary available for this article. PMID- 29204894 TI - The Development of the Genital Psoriasis Sexual Frequency Questionnaire (GenPs SFQ) to Assess the Impact of Genital Psoriasis on Sexual Health. AB - INTRODUCTION: Patient-reported outcome measures (PROs) exist for psoriasis but not genital psoriasis (GenPs). METHODS: This cross-sectional, qualitative study in patients with moderate-to-severe GenPs was conducted to support development of a PRO for measuring the impact of GenPs on sexual activity and to establish content validity. The impacts of GenPs were identified in a literature review. Findings from the literature review were discussed with clinicians, and then patients with GenPs were interviewed. RESULTS: From the literature review, 52 articles, 44 abstracts, and 41 clinical trials met predefined search criteria. Of these, 11 concepts emerged as having theoretical support for use as measurable impacts of psoriasis symptoms on patients; these concepts included sexual functioning and general health-related quality of life (HRQoL). These concepts were confirmed and expanded upon by two clinicians who routinely care for patients with GenPs. Interviews were then conducted with GenPs patients (n = 20) to discuss the impact of GenPs on their HRQoL. Eighty percent of patients reported that GenPs impacted sexual frequency. The two-item GenPs Sexual Frequency Questionnaire (GenPs-SFQ) was developed to assess limitations on sexual activity frequency because of GenPs. Cognitive debriefing with an additional 50 patients with GenPs confirmed the utility and understandability of the GenPs-SFQ. CONCLUSION: The GenPs-SFQ may have utility in clinical trials involving GenPs patients and in routine clinical practice. FUNDING: Eli Lilly and Company. Plain language summary available for this article. PMID- 29204895 TI - The development of a healing model of care for an Indigenous drug and alcohol residential rehabilitation service: a community-based participatory research approach. AB - BACKGROUND: Given the well-established evidence of disproportionately high rates of substance-related morbidity and mortality after release from incarceration for Indigenous Australians, access to comprehensive, effective and culturally safe residential rehabilitation treatment will likely assist in reducing recidivism to both prison and substance dependence for this population. In the absence of methodologically rigorous evidence, the delivery of Indigenous drug and alcohol residential rehabilitation services vary widely, and divergent views exist regarding the appropriateness and efficacy of different potential treatment components. One way to increase the methodological quality of evaluations of Indigenous residential rehabilitation services is to develop partnerships with researchers to better align models of care with the client's, and the community's, needs. An emerging research paradigm to guide the development of high quality evidence through a number of sequential steps that equitably involves services, stakeholders and researchers is community-based participatory research (CBPR). The purpose of this study is to articulate an Indigenous drug and alcohol residential rehabilitation service model of care, developed in collaboration between clients, service providers and researchers using a CBPR approach. METHODS/DESIGN: This research adopted a mixed methods CBPR approach to triangulate collected data to inform the development of a model of care for a remote Indigenous drug and alcohol residential rehabilitation service. RESULTS: Four iterative CBPR steps of research activity were recorded during the 3-year research partnership. As a direct outcome of the CBPR framework, the service and researchers co-designed a Healing Model of Care that comprises six core treatment components, three core organisational components and is articulated in two program logics. The program logics were designed to specifically align each component and outcome with the mechanism of change for the client or organisation to improve data collection and program evaluation. CONCLUSION: The description of the CBPR process and the Healing Model of Care provides one possible solution about how to provide better care for the large and growing population of Indigenous people with substance. PMID- 29204897 TI - Construction of a cellulose-metabolizing Komagataella phaffii (Pichia pastoris) by co-expressing glucanases and beta-glucosidase. AB - Cellulose is a highly available and renewable carbon source in nature. However, it cannot be directly metabolized by most microbes including Komagataella phaffii (formerly Pichia pastoris), which is a frequently employed host for heterologous protein expression and production of high-value compounds. A K. phaffii strain was engineered that constitutively co-expresses an endoglucanase and a beta glucosidase both from Aspergillus niger and an exoglucanase from Trichoderma reesei under the control of bidirectional promoters. This engineered strain was able to grow on cellobiose and carboxymethyl cellulose (CMC) but not on Avicel. However, the detected release of cellobiose from Avicel by using the produced mixture of endoglucanase and exoglucanase as well as the released glucose from Avicel by using the produced mixture of all three cellulases at 50 degrees C indicated the production of exoglucanase under the liquid culture conditions. The successful expression of three cellulases in K. phaffii demonstrated the feasibility to enable K. phaffii to directly use cellulose as a carbon source for producing recombinant proteins or other high-value compounds. PMID- 29204896 TI - A comparison of tumour size measurements with palpation, ultrasound and mammography in male breast cancer: first results of the prospective register study. AB - PURPOSE: Precise presurgical diagnosis of tumour size is essential for adequate treatment of male breast cancer (MBC). This study is aimed to compare the accuracy of clinical measurement (CE), ultrasound (US) and mammography (MG) for preoperative estimation of tumour size. METHODS: This study was conducted as a prospective, multicentre register study. One hundred and twenty-nine male patients with invasive breast cancer were included. CE, US and MG were performed in 107, 110 and 75 patients, respectively, and the estimated tumour size was compared with the histopathological (HP) tumour size. RESULTS: All methods tended to underestimate the HP tumour size. None of the methods were significantly more accurate than the others in determining the maximal tumour diameter. The sensitivity within 5 mm tolerance for US was 65.5%, which was better than for MG (61.3%) and CE (56.6%). In the group of patients with pT2 tumours, MG showed significantly better accuracy than US. The measurements obtained with each method were significantly correlated with the HP measurements. The highest correlation coefficient was observed for MG (0.788), followed by US (0.741) and CE (0.671). CONCLUSIONS: Our data demonstrate that MG and US have similar accuracy with regard to tumour size estimation. US assessment showed the highest sensitivity in determining tumour size, followed by MG and CE. However, MG demonstrated a significant advantage for estimating the real tumour size for pT2 tumours compared to US or CE. PMID- 29204898 TI - High-rate nitrogen removal from waste brine by marine anammox bacteria in a pilot scale UASB reactor. AB - The goal of this study was to develop a startup strategy for a high-rate anaerobic ammonium oxidation (anammox) reactor to treat waste brine with high concentrations of ammonium from a natural gas plant. An upflow anaerobic sludge blanket (UASB) anammox reactor with an effective volume of 294 L was fed continuously with waste brine with a salinity of 3% and a NH4+ concentration of 180 mg-N/L, as well as a NaNO2 solution. By inoculating a methanogenic granular biomass as a biomass carrier, the reactor attained the maximum volumetric nitrogen removal rate (NRR) of 10.7 kg-N/m3/day on day 209, which was 1.7 times higher than the highest reported NRR for wastewater of comparable salinity. High throughput sequencing of 16S rRNA gene amplicons revealed that Candidatus Scalindua wagneri was enriched successfully in granules in the UASB, and it replaced Methanosaeta and became dominant in the granule. The inhibitory effect of NO2- on the anammox reaction in the granules was assessed by a 15N tracer method, and the results showed that anammox activity was maintained at 60% after exposure to 300 mg-N/L of NO2- for 24 h. Compared with previous studies of the susceptibilities of Candidatus Brocadia and Candidatus Kuenenia to NO2-, the enriched marine anammox bacteria were proven to have comparable or even higher tolerances for high NO2- concentrations after a long exposure. PMID- 29204899 TI - Secondary metabolism in Fusarium fujikuroi: strategies to unravel the function of biosynthetic pathways. AB - The fungus Fusarium fujikuroi causes bakanae disease of rice due to its ability to produce the plant hormones, the gibberellins. The fungus is also known for producing harmful mycotoxins (e.g., fusaric acid and fusarins) and pigments (e.g., bikaverin and fusarubins). However, for a long time, most of these well known products could not be linked to biosynthetic gene clusters. Recent genome sequencing has revealed altogether 47 putative gene clusters. Most of them were orphan clusters for which the encoded natural product(s) were unknown. In this review, we describe the current status of our research on identification and functional characterizations of novel secondary metabolite gene clusters. We present several examples where linking known metabolites to the respective biosynthetic genes has been achieved and describe recent strategies and methods to access new natural products, e.g., by genetic manipulation of pathway-specific or global transcritption factors. In addition, we demonstrate that deletion and over-expression of histone-modifying genes is a powerful tool to activate silent gene clusters and to discover their products. PMID- 29204900 TI - Molecular design for recombinant adeno-associated virus (rAAV) vector production. AB - Recombinant adeno-associated virus (rAAV) vectors are increasingly popular tools for gene therapy applications. Their non-pathogenic status, low inflammatory potential, availability of viral serotypes with different tissue tropisms, and prospective long-lasting gene expression are important attributes that make rAAVs safe and efficient therapeutic options. Over the last three decades, several groups have engineered recombinant AAV-producing platforms, yielding high titers of transducing vector particles. Current specific productivity yields from different platforms range from 103 to 105 vector genomes (vg) per cell, and there is an ongoing effort to improve vector yields in order to satisfy high product demands required for clinical trials and future commercialization.Crucial aspects of vector production include the molecular design of the rAAV-producing host cell line along with the design of AAV genes, promoters, and regulatory elements. Appropriately, configuring and balancing the expression of these elements not only contributes toward high productivity, it also improves process robustness and product quality. In this mini-review, the rational design of rAAV-producing expression systems is discussed, with special attention to molecular strategies that contribute to high-yielding, biomanufacturing-amenable rAAV production processes. Details on molecular optimization from four rAAV expression systems are covered: adenovirus, herpesvirus, and baculovirus complementation systems, as well as a recently explored yeast expression system. PMID- 29204901 TI - Cell culture-based production of defective interfering particles for influenza antiviral therapy. AB - Defective interfering particles (DIPs) lack an essential portion of the virus genome, but retain signals for replication and packaging, and therefore, interfere with standard virus (STV) replication. Due to this property, DIPs can be potential antivirals. The influenza A virus DIP DI244, generated during propagation in chicken eggs, has been previously described as a potential candidate for influenza antiviral therapy. As a cell culture-based manufacturing process would be more suitable to fulfill large-scale production needs of an antiviral and enables full process control in closed systems, we investigated options to produce DI244 in the avian cell line AGE1.CR.pIX in chemically defined suspension culture. With a DI244 fraction of 55.8% compared to STV, the highest DI244 yield obtained from 50 million cells was 4.6 * 109 vRNA copies/mL at 12 h post infection. However, other defective genomes were also detected. Since these additionally produced defective particles are non-infectious, they might be still useful in antiviral therapies. In case they would interfere with quality of the final product, we examined the impact of virus seeds and selected process parameters on DI244 yield and contamination level with other defective particles. With a DI244 fraction of 5.5%, the yield obtained was 1.7 * 108 vRNA copies/mL but now without additional defective genomes. Although the DI244 yield might be decreased in this case, such controlled manufacturing conditions are not available in chicken eggs. Overall, the application of these findings can support design and optimization of a cell culture-based production process for DIPs to be used as antivirals. PMID- 29204902 TI - Diet and risk of diabetic retinopathy: a systematic review. AB - Diabetic retinopathy is a microvascular complication of diabetes that threatens all individuals with diabetes, leading to vision loss or blindness if left untreated. It is frequently associated with diabetic macular edema, which can occur at any point during the development of diabetic retinopathy. The key factors known to lead to its development include hyperglycemia, hypertension, and the duration of diabetes. Though the diet is important in the development of diabetes, its role in diabetic retinopathy has not been clearly identified. In this systematic review, we aimed to identify, summarize and interpret the literature on the association between the diet and dietary intakes of specific foods, nutrients, and food groups, and the risk of diabetic retinopathy. We searched PubMed and Web of Science for English-language studies evaluating the association between the dietary intake of individual foods, macro or micronutrients, dietary supplements, and dietary patterns and their association with retinopathy or macular edema. After reviewing potentially relevant abstracts and, when necessary, full texts, we identified 27 relevant studies. Identified studies investigated intakes of fruit, vegetables, fish, milk, carbohydrates, fibre, fat, protein, salt, potassium, vitamins C, D, and E, carotenoids, dietary supplements, green tea and alcohol. Studies suggest that adherence to the Mediterranean diet and high fruit, vegetable and fish intake may protect against the development of diabetic retinopathy, although the evidence is limited. Studies concerning other aspects of the diet are not in agreement. The role of the diet in the development of diabetic retinopathy is an area that warrants more attention. PMID- 29204903 TI - Selection of reference groups in the Life Span Study of atomic bomb survivors. AB - In cohort studies, unbiased estimation of exposure-outcome associations requires selection of an appropriate reference group of unexposed individuals. We illustrate strategies for analyzing cohort data with multiple potential reference groups. We analyzed the association between radiation exposure and incidence of first primary solid cancer among 105,444 participants of the Life Span Study (Hiroshima and Nagasaki, Japan, 1958-2009). Potential reference groups included zero-dose survivors at different ground distances from the hypocenter (internal) and city residents who were not in either city at the time of the bombings (external). DS02R1 weighted absorbed colon doses were estimated by the DS02 dosimetry system. Piecewise constant hazard models estimated excess relative risks of first primary solid cancer. We focused on sex-averaged excess relative risks and the shape of the dose-response curve. A model with internal standardization provided a sex-averaged excess relative risk of 0.510, 95% confidence interval: (0.414, 0.612) per gray of weighted absorbed colon dose, as well as strong evidence of a curvilinear dose response among males (P = 0.008). Selection of not-in-city residents as the reference group resulted in a larger excess relative risk of 0.560, 95% confidence interval: (0.467, 0.657) per gray, and reduced evidence of a curvilinear dose response among males (P = 0.042). These differences were particularly apparent at weighted absorbed colon doses < 1 gray. In cohort studies, selection of an appropriate reference group requires understanding of the nature of unmeasured confounding to which the results could be sensitive. PMID- 29204904 TI - The functionality of African-specific variants in the TGFB1 regulatory region and their potential role in HIVAN. AB - BACKGROUND: Transcription of transforming growth factor beta-1 (TGF-beta1) is regulated by a polymorphic promoter region containing African-specific single nucleotide polymorphisms (SNPs). Some of these SNPs have higher frequencies among Southern Africans compared to other African populations and their functionality has only been partially studied. Due to the high prevalence of HIV-associated nephropathy (HIVAN) in Africans we hypothesized that functional African TGFB1 promoter SNPs may contribute to HIVAN pathogenesis. METHODS: The functionality of the TGFB1 -1347 C>T variant and African-specific variants (-1287 G>A, -1154 C>T, 387 C>T and -14 G>A) were examined by measuring reporter gene expression in kidney and fibroblast cell lines co-transfected with TGFB1-promoter constructs and an HIV-Tat expression vector. TGF-beta1 immunohistochemical staining was performed on kidney biopsies with HIVAN (n = 18) and compared to control biopsies without HIVAN or tubulointerstitial disease (n = 12) using semi-quantitative and digital image analysis. HIVAN cases were genotyped for TGFB1 -1347 and -387 SNP variants. RESULTS: TGFB1-promoter haplotypes containing the African -387 T-allele resulted in ~ five-fold repression of TGFB1-promoter activity compared to -387 C haplotypes (p <= 0.024). HIV-Tat upregulated TGFB1-promoter activity for haplotypes containing -1347 T and -387 T in transfected renal cells (~ 1.6-fold; p <= 0.030) and fibroblasts (~ 1.3-fold; p <= 0.016). The renal interstitium from HIVAN biopsies, compared to HIV-positive and -negative controls, differed in the semi-quantitative TGF-beta1 staining and digital optical density analyses. The TGFB1 -1347 and -387 genotypes in HIVAN cases were similar to population controls. CONCLUSION: African-specific haplotypes lower TGFB1-promoter activity and expression levels and HIV-Tat upregulates TGFB1 promoter activity irrespective of the haplotype. PMID- 29204906 TI - Mapping QTL for Omega-3 Content in Hybrid Saline Tilapia. AB - Tilapia is one of most important foodfish species. The low omega-3 to omega-6 fatty acid ratio in freshwater tilapia meat is disadvantageous for human health. Increasing omega-3 content is an important task in breeding to increase the nutritional value of tilapia. However, conventional breeding to increase omega-3 content is difficult and slow. To accelerate the increase of omega-3 through marker-assisted selection (MAS), we conducted QTL mapping for fatty acid contents and profiles in a F2 family of saline tilapia generated by crossing red tilapia and Mozambique tilapia. The total omega-3 content in F2 hybrid tilapia was 2.5 +/ 1.0 mg/g, higher than that (2.00 mg/g) in freshwater tilapia. Genotyping by sequencing (GBS) technology was used to discover and genotype SNP markers, and microsatellites were also genotyped. We constructed a linkage map with 784 markers (151 microsatellites and 633 SNPs). The linkage map was 2076.7 cM long and consisted of 22 linkage groups. Significant and suggestive QTL for total lipid content were mapped on six linkage groups (LG3, -4, -6, -8, -13, and -15) and explained 5.8-8.3% of the phenotypic variance. QTL for omega-3 fatty acids were located on four LGs (LG11, -18, -19, and -20) and explained 5.0 to 7.5% of the phenotypic variance. Our data suggest that the total lipid and omega-3 fatty acid content were determined by multiple genes in tilapia. The markers flanking the QTL for omega-3 fatty acids can be used in MAS to accelerate the genetic improvements of these traits in salt-tolerant tilapia. PMID- 29204905 TI - Intracorporeal lithotripsy. AB - Since the introduction of ESWL, PNL and URS during the early 1980s the application rate of ESWL has declined while those of PNL and URS have increased. This is mainly due to the facts that instruments and techniques for Intracorporeal Lithotripsy (IL) have made a continuous progress. This review shows that today an array of options for IL within the entire urinary tract is available to treat stones in a perfect minimal invasive way. At the same time further improvements of IL are already visible. PMID- 29204907 TI - Does the Addition of Biologic Agents to Chemotherapy in Patients with Unresectable Colorectal Cancer Metastases Result in a Higher Proportion of Patients Undergoing Resection? A Systematic Review and Meta-analysis. AB - BACKGROUND: Surgical resection provides the best opportunity for cure for metastatic colorectal cancer. Whether addition of a biologic agent to chemotherapy improves the rate of conversion from unresectable to resectable disease remains uncertain. We carried out a systematic review of the literature and meta-analysis to define the impact of biologic agents on resection. METHODS: We searched Medline, Embase, CENTRAL, and PubMed for randomized controlled trials published up until April 2017 comparing chemotherapy and biologics (intervention) vs. chemotherapy alone (control) in treatment-naive patients with unresectable metastatic colorectal cancer. Study selection, data abstraction, risk of bias, and quality of evidence assessment were performed in duplicate. Random-effects meta-analysis was used to estimate the pooled odds ratio (OR) for resection rate and corresponding confidence interval (CI). RESULTS: Nine studies, including a total of 4345 patients, were analyzed. Seven studies assessed epithelial growth factor receptor (EGFR)-directed monoclonal antibodies, and two used antiangiogenic agents. The addition of a biologic agent to chemotherapy was associated with higher resection rate (OR 1.47, 95% CI 1.07-2.02; resection rate 8.4 vs. 6.1%). Subgroup analysis based on mechanism of action of drugs showed benefit for resection rate only with EGFR-directed agents (OR 1.70, 95% CI 1.10 2.64). Heterogeneity among studies was low (I 2 = 34%). CONCLUSIONS: The addition of biologic agents to systemic chemotherapy in patients with initially unresectable metastatic colorectal cancer improved resection rate. The optimal biologic agent for this outcome cannot yet be determined. PMID- 29204908 TI - Posttraumatic stress disorder due to acute cardiac events and aversive cognitions towards cardiovascular medications. AB - Posttraumatic stress disorder (PTSD) after acute medical events is associated with medication nonadherence. The mechanisms of PTSD-related nonadherence are poorly understood. We tested whether patients with elevated PTSD symptoms induced by suspected acute coronary syndrome (ACS) were more likely to have aversive cognitions towards cardiovascular medications. We enrolled a consecutive cohort of patients who presented to the emergency department with suspected ACS. One month after discharge, ACS-induced PTSD symptoms were assessed using the PTSD Checklist (PCL-S), and patients were asked "how often did" (1) "you miss your heart medication because you did not want to be reminded about your heart problem"; (2) "thinking about your heart medication make you feel nervous or anxious"; and (3) "thinking about your heart medication make you think about your risk for future heart problems." Logistic regression was used to determine the association between elevated PTSD symptoms and each aversive cognition, adjusting for age, sex, race, ethnicity, education, depression, and ACS status. Of 424 patients included, 15.8% had elevated PTSD symptoms (PCL-S >= 34). In adjusted analyses, higher PCL-S scores were associated with missing medications to avoid reminders of heart disease (OR 1.22 per 5-point PCL-S increase, 95%CI 1.07-1.40), as well as anxiety (OR 1.34, 95%CI 1.19-1.51) and thoughts of future risk (OR 1.19, 95%CI 1.08-1.32) when thinking about cardiovascular medications. We concluded that patients with elevated PTSD symptoms following suspected ACS were more likely to report aversive cognitions about their cardiovascular medications, suggesting that medications can act as traumatic reminders of the cardiac event and ongoing risk in this group. PMID- 29204909 TI - Nano-Se Assimilation and Action in Poultry and Other Monogastric Animals: Is Gut Microbiota an Answer? AB - Recently, a comprehensive review paper devoted to roles of nano-Se in livestock and fish nutrition has been published in the Nanoscale Research Letters. The authors described in great details an issue related to nano-Se production and its possible applications in animal industry and medicine. However, molecular mechanisms of nano-Se action were not described and the question of how nano-Se is converted into active selenoproteins is not resolved. It seems likely that the gut microbiota can convert nano-Se into selenite, H2Se or Se-phosphate with the following synthesis of selenoproteins. This possibility needs to be further studied in detail, and advantages and disadvantages of nano-Se as a source of Se in animal/poultry/fish nutrition await critical evaluations. PMID- 29204910 TI - Who Is the Patient at Risk of CMV Recurrence: A Review of the Current Scientific Evidence with a Focus on Hematopoietic Cell Transplantation. AB - Cytomegalovirus (CMV) is an agent of global infection, and its acquisition in a population is characterized by an age-dependent rise in seropositivity. After primary infection, CMV remains in the host cells in latent form, and it can reactivate in the case of immune suppression. The risk of CMV recurrence is dependent on the level of incompetency of the immune system, manifested as an impairment of T-cell immunity, including the presence and function of CMV specific cytotoxic T lymphocytes. This article presents data on the incidence of CMV recurrence in groups of immunocompromised patients, including allogeneic hematopoietic stem cell transplantation (HSCT) patients and other groups of patients, based on a summary of reported data. The median rate of CMV recurrence in HSCT recipients was estimated as 37% after allogeneic transplant and 12% after autologous transplant, 5% in patients with nontransplant hematological malignancies, 14% in recipients of anti-CD52 therapy, 30% in solid organ transplant recipients, 21% in patients with primary immunodeficiencies, 20% during active replication in HIV-positive patients and 3.3% during antiretroviral therapy, 7% in patients with chronic kidney disease, 0.6% in patients with congenital infection, and 0.6% in neonates with primary infection. The highest risk of CMV recurrence and CMV disease is reported for HSCT CMV-seropositive recipients, regardless of donor serostatus. The odds ratio (OR) for CMV recurrence is higher for recipient-positive versus recipient-negative CMV serostatus transplants (OR 8.0), donor-negative/recipient-positive versus donor positive/recipient-positive CMV serostatus transplants (OR 1.2), unrelated/mismatched versus matched-family donor transplants (OR 1.6), and acute graft-versus-host-disease versus other diseases (OR 3.2). Other risk factors have minor significance. PMID- 29204911 TI - Repeated shock stress facilitates basolateral amygdala synaptic plasticity through decreased cAMP-specific phosphodiesterase type IV (PDE4) expression. AB - Previous studies have shown that exposure to stressful events can enhance fear memory and anxiety-like behavior as well as increase synaptic plasticity in the rat basolateral amygdala (BLA). We have evidence that repeated unpredictable shock stress (USS) elicits a long-lasting increase in anxiety-like behavior in rats, but the cellular mechanisms mediating this response remain unclear. Evidence from recent morphological studies suggests that alterations in the dendritic arbor or spine density of BLA principal neurons may underlie stress induced anxiety behavior. Recently, we have shown that the induction of long-term potentiation (LTP) in BLA principal neurons is dependent on activation of postsynaptic D1 dopamine receptors and the subsequent activation of the cyclic adenosine 5'-monophosphate (cAMP)-protein kinase A (PKA) signaling cascade. Here, we have used in vitro whole-cell patch-clamp recording from BLA principal neurons to investigate the long-term consequences of USS on their morphological properties and synaptic plasticity. We provided evidence that the enhanced anxiety-like behavior in response to USS was not associated with any significant change in the morphological properties of BLA principal neurons, but was associated with a changed frequency dependence of synaptic plasticity, lowered LTP induction threshold, and reduced expression of phosphodiesterase type 4 enzymes (PDE4s). Furthermore, pharmacological inhibition of PDE4 activity with rolipram mimics the effects of chronic stress on LTP induction threshold and baseline startle. Our results provide the first evidence that stress both enhances anxiety-like behavior and facilitates synaptic plasticity in the amygdala through a common mechanism of PDE4-mediated disinhibition of cAMP-PKA signaling. PMID- 29204913 TI - Trends in prostate cancer incidence between 1996 and 2013 in two Swiss regions by age, grade, and T-stage. AB - PURPOSE: To investigate differences in prostate cancer incidence between two distinct Swiss regions from 1996 to 2013 stratified by age group, grade, and T stage. METHODS: The dataset included 17,495 men living in Zurich and 3,505 men living in Ticino, diagnosed with prostate cancer between 1996 and 2013. We computed age-standardized incidence rates per 100,000 person-years using the European Standard Population. Trends were assessed using JoinPoint regression analysis Software. RESULTS: Age-standardized incidence rates were generally higher in Zurich compared to Ticino but the difference decreased over time. Incidence rates increased significantly up to 2002 in Zurich and 2007 in Ticino and then decreased. A statistically significant increase was observed for men aged < 65 years, for grade 3 tumors, and for T-stage 2 and 3 tumors. The largest decrease was seen for grade 1 tumors. Furthermore, the incidence of tumors of unknown grade or T-stage decreased significantly in both regions. CONCLUSIONS: The trends in prostate cancer incidence rates were similar in both regions, although on a higher level in Zurich compared to Ticino. However, the difference decreased over time. The distribution of T-stage and grade did not explain the difference in incidence rates. Different use of opportunistic screening may play a role. PMID- 29204912 TI - Should subcentimeter non-invasive encapsulated, follicular variant of papillary thyroid carcinoma be included in the noninvasive follicular thyroid neoplasm with papillary-like nuclear features category? AB - OBJECTIVE: In 2016, non-invasive, well-circumscribed and encapsulated, follicular variant of papillary thyroid carcinoma (NI-EFV PTC) was reclassified as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) in order to reduce overtreatment of this indolent tumor. However, the study cohort did not include subcentimeter tumors, i.e., papillary thyroid microcarcinoma (mPTC) with NI-EFV morphology, and such lesions are still regarded and staged by most pathologists as microcarcinomas. It is therefore crucial to evaluate the clinical outcome of subcentimeter NI-EFVs. METHODS: A total of 52 patients with unifocal mPTC, NI-EFV from five tertiary hospitals who had at least one year clinical follow-up (FU) without post-operative RAI administration were included in the study. A control group of 57 invasive mPTC follicular variant was also included. RESULTS: The median tumor size was 0.44 cm (range 0.1-0.9 cm). There were no distant or lymph node metastases at diagnosis in all patients. Twenty-three patients (44%) underwent lobectomy alone, while the remaining received total thyroidectomy. No recurrence was observed in the entire cohort (n = 52) including all 38 patients with at least 2 years of FU (median FU: 6.3 years). Among 25 patients with >=5 years of FU, none recurred with a median FU of 9.6 years (range 5.2-18.1 years). In contrast, in the control group with invasive mPTC follicular variant, there were 5 (9%) patients with nodal metastasis at presentation and 1 (2%) who displayed nodal recurrence. CONCLUSION: Papillary thyroid microcarcinoma, NI-EFV, when stringently selected for, lacks metastasis at presentation and follows an extremely indolent clinical course, even when treated conservatively without RAI therapy. Provided stringent inclusion criteria are met, classification of subcentimeter mPTC, NI-EFV as NIFTP should be considered in order to avoid overtreatment of these biologically indolent lesions. PMID- 29204914 TI - Muscle fiber conduction velocity and EMG amplitude of the upper trapezius muscle in healthy subjects after low-level laser irradiation: a randomized, double blind, placebo-controlled, crossover study. AB - Although low-level laser therapy (LLLT) is an important resource for the treatment of non-specific neck pain patients, the dose which presents the greatest therapeutic potential for the treatment of this pathology is still unclear. The present study aimed to evaluate the immediate effect of LLLT on the muscle fiber conduction velocity (MFCV) and electromyographic activity (EMG) of the upper trapezius (UT) muscle in healthy individuals. A total of 20 healthy subjects were enrolled in a randomized, double-blind, crossover study. Active LLLT (820 nm wavelength, 30 mW, energy total 18 J) or placebo LLLT (pLLLT) was delivered on the UT muscle. Each subject was subjected to a single session of active LLLT and pLLLT. Surface electromyography (sEMG) signal of the UT muscle was recorded during five different step contractions of shoulder elevation force (10-30% maximal voluntary contraction) pre- and post-LLLT irradiation. The values of MFCV and sEMG global amplitude (RMSG) were used to calculate the effects of LLLT. The results showed no difference in the MFCV comparing the LLLT and pLLLT groups (F = 0.72 p = 0.39, eta p2 = 0.004). However, a significant difference was observed in the RMSG between the LLLT and pLLLT (F 1,2 = 16.66; P < 0.0001, eta p2 = 0.09). Individuals who received active LLLT presented a significant decrease in RMSG after laser application (F = 61.28; p < 0.0001, eta p2 = 0.43). In conclusion, the 820 nm LLLT, with energy total of 18 J, did not alter the MFCV but significantly reduced the sEMG signal amplitude of the upper trapezius muscle in healthy subjects to a level of up to 30% of maximal voluntary contraction. PMID- 29204915 TI - Is photobiomodulation (PBM) effective for the treatment of dentin hypersensitivity? A systematic review. AB - The present study aims to evaluate the current scientific data regarding the effectiveness of photobiomodulation (PBM) in the treatment of dentin hypersensitivity (DH) as an alternative method for pain control. A systematic review was conducted to assess the effectiveness of PBM as treatment for DH. A complete literature search was performed up to October 2016. Searches were conducted using Boolean operators and MeSH terms. References of all selected full text articles and related reviews were scanned. A total of 280 articles were identified (241 articles were excluded by the title and abstract). Of the 39 articles selected for analysis, 36 were excluded because they presented one or more exclusion criteria. Therefore, three articles were qualified for inclusion in this systematic review. PBM may not lead to adverse effects provided that adequately controlled parameters are followed when treating DH. More consistent studies should be conducted in order to adequately observe the advantageous therapeutic effect of PBM. PMID- 29204916 TI - RNASEH1 gene variants are associated with autoimmune type 1 diabetes in Colombia. AB - BACKGROUND: In a previous work, we found linkage and association of type 1 diabetes (T1D) to a 12 known gene region at chromosome 2p25 in Colombian families. Here, we present further work on this candidate region. MATERIALS AND METHODS: Seventeen SNPs located on the 12 candidate genes, in 100 familial trios set, were tested by ARMS-tetraprimer-PCR or PCR-RFLP. Five extra SNPs in the vicinity of rs10186193 were typed. A replica phase included 97 novel familial trios, in whom diabetes-related auto-antibodies (AABs) were tested in sera of the patients. In addition to transmission disequilibrium tests, haplotype analyses were carried out using the unphased software. RESULTS: SNP rs10186193 (at RNASEH1 gene) showed association with T1D (P = 0.005). The additional five SNPs revealed that rs7607888 (P = 2.03 * 10-7), rs55981318 (P = 0.018), and rs1136545 (P = 1.93 * 10-9) were also associated with T1D. Haplotype analysis showed association for rs55981318-rs10186193 (P = 0.0005), rs7563960-rs7607888 (P = 0.0007), rs7607888 rs1136545 (P = 9.21 * 10-10), and rs1136545-rs11538545 (P = 6.67 * 10-8). In contrast, the new set of 97 familial trios tested for SNPs rs55981318, rs10186193, and rs7607888 did not support the previous finding; however, by combining the sample (197 trios), evidence of association of T1D with rs55981318 and rs7607888 was conclusive. In addition, a two-loci haplotype analysis of the combined sample showed significant association of RNASEH1 with T1D (P = 3.1 * 10 5). CONCLUSION: In conclusion, our analyses suggest that RNASEH1 gene variants associate with susceptibility/protection to T1D in Colombia. PMID- 29204917 TI - The outcome of cochlear implantation among children with genetic syndromes. AB - OBJECTIVE: To assess the outcome and efficacy of cochlear implantation in children with genetic syndromes. METHOD: Study design: case-control study. SETTING: A cochlear implantation tertiary referral center. PATIENTS: All pediatric cochlear implantation recipients with Waardenburg syndrome, Usher syndrome, Dandy-Walker syndrome, or albinism. A control group was appropriately matched to the syndromic group with regard to age at implantation and duration of device use. INTERVENTION: Cochlear implantation. MAIN OUTCOME MEASURES: Subjects' auditory abilities, speech intelligibility, and pure tone thresholds were compared between the syndromic and non-syndromic group. RESULTS: A total of 25 subjects (13 syndromic and 12 non-syndromic) participated in the study. Neither auditory ability nor speech intelligibility scores differed significantly by group. The final PTA of both the groups showed normal-to-mild hearing loss: 26 dB HL in the syndromic group and 23 dB HL for the control group. CONCLUSIONS: Cochlear implant recipients with genetic syndromes achieved similar levels auditory perception and speech intelligibility as their peers with a genetic syndrome. The presence of any of the genetic syndromes described herein should not be a contraindication to cochlear implant provision, as it would have a positive impact on the patients' sensory perception and lifestyle. PMID- 29204918 TI - Sialendoscopy in treating pediatric salivary gland disorders: a systematic review. AB - OBJECTIVE: The primary aim of this study is to conduct a systematic review in order to evaluate the use of sialendoscopy in treating pediatric salivary gland disorders. METHODS: Eligible articles were identified through a comprehensive search of electronic databases. Using predefined inclusion criteria, published articles on sialendoscopy in children were selected and reviewed. RESULTS: 17 articles including 323 pediatric patients and 424 salivary glands managed by sialendoscopy were identified. The most common salivary gland disorder affected was the parotid (83% of cases), followed by the submandibular gland (16.5% of cases). Juvenile recurrent parotitis (68.9%) was the most frequent diagnosis followed by sialolithiasis (14.7%). The most common complication was ductal perforation. During a pooled mean follow-up time of 18.3 months, recurrences were reported in 14.5% of patients mostly in patients diagnosed with juvenile recurrent parotitis. CONCLUSION: Sialendoscopy is a minimally invasive diagnostic and therapeutic tool for inflammatory salivary gland disorders in pediatric patients. Based on the current review, sialendoscopy can be successfully implemented in cases of pediatric salivary gland disorders. PMID- 29204919 TI - Prognostic value of the lymph node ratio in oropharyngeal carcinoma stratified for HPV-status. AB - OBJECTIVE: Lymph node ratio (LNR) was shown to be a prognostic factor in laryngeal and oral cavity primaries. The purpose of this study was to investigate the impact of the lymph node ratio in oropharyngeal squamous cell carcinoma (OPSCC) with a high incidence of HPV-related disease. Therefore, the role of LNR was evaluated as an additional predictive parameter to the 8th edition of AJCC TNM staging system. METHODS: From December 2009 to August 2015, patients diagnosed with primary oropharyngeal squamous cell carcinoma were prospectively enrolled. After tumor resection with uni- or bilateral neck dissection, patients with >= 1 nodal metastasis (pN+) were eligible for a retrospective LNR analysis. RESULTS: 137 patients underwent tumor resection with uni- or bilateral neck dissection. The proportion of HPV-associated disease was 42%. Most patients (n = 96; 70%) presented with involved neck nodes. In p16-positive OPSCC, the rate of pN + cases was significantly increased compared to p16-negative OPSCC (86% vs. 58%, p = 0.007). Patients with LNR <= 10% had a significant better overall survival (OS) and disease-specific survival (DSS). However, when stratified for p16-status, LNR <= 10% had a significant impact on OS only for HPV-associated tumors (p = 0.027), whereas LNR of <= 10% was not a significant predictor for better OS in p16-negative OPSCC (p = 0.143). CONCLUSION: The LNR with a cut-off value of 10% serves as an additional prognostic parameter in HPV-related OPSCC and may help to improve risk stratification in combination with the revised AJCC 8th edition TNM classification. PMID- 29204920 TI - Reply to the letter "Laryngopharyngeal reflux disease in the elderly". PMID- 29204921 TI - Reply to the Letter to the Editor concerning "Combined microscopic/endoscopic management of petrous apex lesions". PMID- 29204923 TI - Novel drug delivery systems, devices, and fabrication methods. PMID- 29204922 TI - Usefulness of our proposed olfactory scoring system during endoscopic sinus surgery in patients with chronic rhinosinusitis. AB - INTRODUCTION: The primary aim of the current study was to examine the usefulness of our proposed olfactory scoring system in chronic rhinosinusitis (CRS) patients with olfactory disorders (n = 213) receiving endoscopic sinus surgery (ESS). MATERIALS AND METHODS: Analyzed patients were divided into two groups: an eosinophilic CRS (ECRS) group (n = 153); and a non-ECRS group (n = 60). The T&T recognition threshold test was used to evaluate olfaction at baseline and at 3 and 12 months after ESS. Patients with mean recognition threshold < 2.0 at 3 or 12 months or with a decrease of >= 1.0 as compared with baseline were defined as showing clinical improvement. We scored mucosal conditions as normal (0 points), edema (1 point), and polyp (2 points) at the canopy of olfactory cleft (OC), middle and superior turbinates, superior nasal meatus, and sphenoethmoidal recess during ESS. The total score of OCs (SOCs) was calculated (range 0-20 points). We compared SOCs between ECRS and non-ECRS groups. Factors related to olfactory improvement were also investigated using uni- and multivariate analyses. RESULTS: SOCs in the ECRS and non-ECRS groups showed significant correlations with mean recognition thresholds at baseline and at 3 and 12 months. In the multivariate analysis for predicting improvement of mean recognition threshold, lower SOCs were significantly associated with olfactory improvement factors at 3 and 12 months postoperatively in the ECRS group. CONCLUSION: SOCs appears promising for estimating olfactory prognosis after ESS in CRS patients. PMID- 29204924 TI - Efficacy of a bleomycin microneedle patch for the treatment of warts. AB - Warts are a common skin disease caused by infection of the human papilloma virus. Most treatments involving physical destruction of the infected cells, such as cryotherapy and electrocautery, are limited by intense pain, failure, or recurrences. Our aim was to compare the therapeutic effects of a newly developed bleomycin microneedle patch with cryotherapy in the treatment of warts. Forty-two patients with more than two wart lesions were included in the study. The two treatment modalities were randomly applied to different warts on each patient. Treatment efficacy was assessed using the Physician's Global Assessment (PGA) and the Patient's Global Assessment (PaGA). Mean PGA and PaGA scores were not significantly different between cryotherapy and bleomycin microneedle patch treatment. It was also determined that the mean size of all the warts treated with either modality shrank about equally at weeks 8 and 16 after initial treatment. Thus, treatment efficacy of the bleomycin microneedle patch was comparable to that of conventional cryotherapy. According to a visual analogue scale of pain, bleomycin microneedle patch treatment was significantly less painful than cryotherapy (p < .0001). In addition, use of the bleomycin microneedle patch was more tolerable for patients who were reluctant to receive the painful treatment. Thus, the bleomycin microneedle patch can be an effective, convenient, and innovative treatment modality for warts. PMID- 29204925 TI - Ultrasound-based triggered drug delivery to tumors. AB - Over the past few decades, applications of ultrasound (US) in drug delivery have been documented widely for local and site-specific release of bioactives in a controlled manner, after acceptable use in mild physical therapy for tendinitis and bursitis, and for high-energy applications in fibroid ablation, cataract removal, bone fracture healing, etc. US is a non-invasive, efficient, targetable and controllable technique. Drug delivery can be enhanced by applying directed US in terms of targeting and intracellular uptake. US cannot only provide local hyperthermia but can also enhance local extravasations and permeability of the cell membrane for delivery of cell-impermeable and poorly permeable drugs. It is also found to increase the anticancer efficacy of drug against solid tumors by facilitating uniform drug delivery throughout the tumor mass. This review summarizes the mechanism of US; various drug delivery systems like microbubbles, liposomes, and micelles; and biological manifestations employed for improving treatment of cancer, i.e., hyperthermia and enhanced extravasation. Safety issues are also discussed for better therapeutic outcomes of US-assisted drug delivery to tumors. This review can be a beneficial asset to the scientists looking at non invasive techniques (externally guided) for improving the anticancer potential of drug delivery systems. PMID- 29204926 TI - Alginate-liposomal construct for bupivacaine delivery and MSC function regulation. AB - Mesenchymal stromal cell (MSC) therapies have become potential treatment options for multiple ailments and traumatic injuries. In the clinical setting, MSC are likely to be co-administered with local anesthetics (LA) which have been shown to have dose- and potency-dependent detrimental effects on the viability and function of cells. We previously developed and characterized a sustained-release LA delivery formulation comprised of alginate-encapsulated liposomal bupivacaine. The current studies were designed to evaluate the effect of this formulation on the secretion of three key MSC regulatory molecules, interleukin 6 (IL-6), prostaglandin E2 (PGE2), and transforming growth factor-beta 1 (TGF-beta1). MSCs were treated with several bupivacaine formulations-bolus, liposome, or alginate liposome construct (engineered construct)-in the presence or absence of inflammatory stimulus to stimulate an injured tissue environment. Our results indicated that compared to bolus or liposomal bupivacaine, the engineered construct preserved or promoted MSC anti-inflammatory PGE2 secretion; however, the engineered construct did not increase TGF-beta1 secretion. Bupivacaine release profile analyses indicated that mode of drug delivery controlled the LA concentration over time and pathway analysis identified several shared and cytokine-specific molecular mediators for IL-6, PGE2, and TGF-beta1 which could explain differential MSC secretion responses in the presence of bupivacaine. Collectively, these studies support the potential utility of alginate encapsulated LA constructs for anti-inflammatory cell therapy co-administration and indicate that mode of local anesthetic delivery can significantly alter MSC secretome function. PMID- 29204928 TI - Brief Report: Factor Analysis of the Brazilian Version of the Adult Autism Spectrum Quotient. AB - This study examined the factor structure of the Brazilian version of the Autism Spectrum Quotient. This is a self-report questionnaire for continuous and quantitative assessment of autistic spectrum traits in adults. Confirmatory factor analysis was performed on the five-factor model (social skill, attention switching, attention to detail, communication and imagination) proposed by the original authors, support not being found for this model in our sample. An exploratory factor analysis was then performed that resulted in an alternative three-factor model (social skills, details/patterns and imagination). Confirmatory factor analysis of the latter model revealed adequate psychometric indexes. The Brazilian version of the AQ was shown to be an adequate instrument for the evaluation of signs compatible with the autism spectrum in adults. PMID- 29204927 TI - Augmented bioavailability of felodipine through an alpha-linolenic acid-based microemulsion. AB - The oral bioavailability of felodipine, a dihydropyridine calcium channel antagonist, is about 15%. This may be due to poor water solubility, and a lower intestinal permeability than a BCS class I drug, and hepatic first-pass metabolism of the drug. Many drugs are unpopular due to solubility issues. The goal of this study was to develop and optimize a felodipine-containing microemulsion to improve the intestinal permeability and bioavailability of the drug. The felodipine microemulsions were developed with the selected components, i.e., alpha-linolenic acid as the oil phase, Tween 80 as a surfactant, and isopropyl alcohol as co-surfactant using Box-Behnken design and characterized for in vitro release and particle size. The optimized felodipine-loaded microemulsion was investigated for physicochemical interaction, surface morphology, intestinal permeability, rheology, cytotoxicity, cellular uptake, pharmacodynamic (electrocardiogram and heart rate variability), and pharmacokinetic studies to explore its suitability as a promising oral drug delivery system for the treatment of hypertension. The optimized felodipine-loaded microemulsion showed significantly higher (P < 0.05) apparent permeability coefficients (Papp) at 7.918 * 10-5 cm/s after 1 h, when compared with conventional formulations that are marketed tablet, drug oily solution, and drug emulsion, which showed a maximum Papp of 3.013, 4.428, and 5.335 * 10-5 cm/s, respectively. The optimized felodipine-loaded microemulsion showed biocompatibility and no cytotoxicity. Cellular uptake studies confirmed payload delivery to a cellular site on the J774.A1 cell line. The rheology study of the optimized felodipine-loaded microemulsion revealed Newtonian-type flow behavior and discontinuous microemulsion formation. In pharmacodynamic studies, significant differences in parameters were observed between the optimized felodipine-loaded microemulsion and marketed formulation. The optimized felodipine-loaded microemulsion showed significantly higher (p < 0.01) C max (7.12 +/- 1.04 MUg/ml) than marketed tablets (2.44 +/- 1.03 MUg/ml). It was found that AUClast obtained from the optimized felodipine-loaded microemulsion (84.53 +/- 10.73 MUg h/ml) was significantly higher (p < 0.01) than the marketed tablet (27.41 +/- 5.54 MUg h/ml). The relative bioavailability (Fr) of the optimized felodipine-loaded microemulsion was about 308.3% higher than that of the marketed formulation. The results demonstrate that the prepared microemulsion is an advanced and efficient oral delivery system of felodipine for the management of hypertension. PMID- 29204929 TI - What About the Girls? Sex-Based Differences in Autistic Traits and Adaptive Skills. AB - There is growing evidence of a camouflaging effect among females with autism spectrum disorder (ASD), particularly among those without intellectual disability, which may affect performance on gold-standard diagnostic measures. This study utilized an age- and IQ-matched sample of school-aged youth (n = 228) diagnosed with ASD to assess sex differences on the ADOS and ADI-R, parent reported autistic traits, and adaptive skills. Although females and males were rated similarly on gold-standard diagnostic measures overall, females with higher IQs were less likely to meet criteria on the ADI-R. Females were also found to be significantly more impaired on parent reported autistic traits and adaptive skills. Overall, the findings suggest that some autistic females may be missed by current diagnostic procedures. PMID- 29204930 TI - Double-layer carbon nanocapsules with radioiodine content and its interaction with calcium, phosphorus, and strontium. AB - First principles calculations have been performed for C60@C180 carbon double layer endofullerenes with up to: three diatomic radioiodine molecules (131I2), two potassium radio-iodide (K131I), and three sodium radio-iodide (Na131I) inside. The plane-wave pseudopotential (PP) method within the general gradient approximation (GGA) in the framework of the density functional theory (DFT) and time-dependent DFT (TD-DFT) was used to perform geometric optimizations (GOs) and molecular dynamics (MD) at 310 K and atmospheric pressure. We found that the double-layer carbon nanocapsules formed by two concentric fullerenes (C180 surrounding C60) are very stable and may contain a radiodosis, without altering their configuration; that is, the 3(131I2)@C60@C180, 2(K131I)@C60@C180, and 3(Na131I)@C60@C180 systems constitute stable nanocapsules. We analyzed the interaction of double-layer endofullerene with radioactive content with some calcium, phosphorus, and strontium atoms, [n(X131I)@C60@C180 + mY], for X = I, K, Na; Y = Ca, P, Sr; n = 1, 2, 3; m = 1, ..., 20. Our calculations show that up to m = 20 calcium atoms can easily be physisorbed by the outer surface of the double layer endofullerene, maintaining their integrity and shielding the radiodosis of any interaction that can proceed from the outside. It is thus concluded that these double-layer endofullerenes can be functionalized as vectors to deliver radiodosis with structural advantages over the single layer systems; as they are more robust, stable, and possess a larger surface to functionalize with some atoms serving as molecular recognizers. Graphical abstract Double-layer carbon nanocapsules with radioiodine content and its interaction with calcium, phosphorus and strontium. PMID- 29204931 TI - Dyslexie font does not benefit reading in children with or without dyslexia. AB - In two experiments, the claim was tested that the font "Dyslexie", specifically designed for people with dyslexia, eases reading performance of children with (and without) dyslexia. Three questions were investigated. (1) Does the Dyslexie font lead to faster and/or more accurate reading? (2) Do children have a preference for the Dyslexie font? And, (3) is font preference related to reading performance? In Experiment 1, children with dyslexia (n = 170) did not read text written in Dyslexie font faster or more accurately than in Arial font. The majority preferred reading in Arial and preference was not related to reading performance. In Experiment 2, children with (n = 102) and without dyslexia (n = 45) read word lists in three different font types (Dyslexie, Arial, Times New Roman). Words written in Dyslexie font were not read faster or more accurately. Moreover, participants showed a preference for the fonts Arial and Times New Roman rather than Dyslexie, and again, preference was not related to reading performance. These experiments clearly justify the conclusion that the Dyslexie font neither benefits nor impedes the reading process of children with and without dyslexia. PMID- 29204932 TI - A retrospective cohort study of patients treated with anti-tuberculous therapy for presumed ocular tuberculosis. AB - BACKGROUND: Uveitis involving the posterior segment is a significant and potentially blinding condition. The diagnosis and treatment of patients with uveitis associated with tuberculosis remains controversial, and commonly, patients are systemically well. Use of the interferon-gamma release assays has added to the controversy, as the significance of a positive test may be uncertain. We aim to report the outcomes of anti-tuberculous treatment in a cohort of patients treated in Birmingham, for presumed "ocular tuberculosis", based on clinical findings, systemic assessment and specific testing for tuberculosis. RESULTS: We found that in our cohort of 41 patients treated between 2010 and 2014, the majority achieved disease-free remission, even in cases where anti-tuberculous treatment was delayed. CONCLUSIONS: Despite controversy, this study strongly supports the use of anti-tuberculous therapy in such patients and highlights the need for formal prospective trials and treatment protocols. PMID- 29204933 TI - Feasibility and effectiveness of trifluridine/tipiracil in metastatic colorectal cancer: real-life data from The Netherlands. AB - BACKGROUND: The RECOURSE trial showed clinical efficacy for trifluridine/tipiracil for refractory metastatic colorectal cancer patients. We assessed the feasibility and effectiveness of trifluridine/tipiracil in daily clinical practice in The Netherlands. METHODS: Medical records of patients from 17 centers treated in the trifluridine/tipiracil compassionate use program were reviewed and checked for RECOURSE eligibility criteria. Baseline characteristics, safety, and survival times were compared, and prespecified baseline characteristics were tested in multivariate analyses for prognostic significance on overall survival (OS). RESULTS: A total of 136 patients with a median age of 62 years were analyzed. Forty-three patients (32%) did not meet the RECOURSE eligibility criteria for not having received all prior standard treatments (n = 35, 26%) and/or ECOG performance status (PS) 2 (n = 12, 9%). The most common grade >=3 toxicities were neutropenia (n = 44, 32%), leukopenia (n = 8, 6%), anemia (n = 7, 5%), and fatigue (n = 7, 5%). Median progression-free survival (PFS) and median OS were 2.1 (95% CI, 1.8-2.3) and 5.4 months (95% CI, 4.0-6.9), respectively. Patients with ECOG PS 2 had a worse median OS (3.2 months) compared to patients with ECOG PS 0-1 (5.9 months). ECOG PS, KRAS-mutation status, white blood cell count, serum lactate dehydrogenase, and alkaline phosphatase were prognostic factors for OS. CONCLUSIONS: Our data show that treatment with trifluridine/tipiracil in daily clinical practice is feasible and safe. Differences in patient characteristics between our population and the RECOURSE study population should be taken into account in the interpretation of survival data. Our results argue against the use of trifluridine/tipiracil in patients with ECOG PS 2. FUNDING: Johannes J.M. Kwakman received an unrestricted research grant from Servier. PMID- 29204934 TI - Preventive use of berberine in inhibition of lead-induced renal injury in rats. AB - The kidney is one of the main organs affected by lead toxicity. We investigated the effects of berberine on lead-induced nephrotoxicity in adult male Wistar rats. Animals received an aqueous solution of lead acetate (500 mg Pb/L in the drinking water) and/or berberine (50 mg/kg, i.g.) for 8 weeks. Lead caused an increase in malondialdehyde (P < 0.001) and total oxidant status (P < 0.01), and a decrease in reduced glutathione (P < 0.001), catalase (P < 0.01), superoxide dismutase (P < 0.001), and total antioxidant capacity (P < 0.05). Berberine prevented the prooxidant and antioxidant imbalance induced by lead (P < 0.001). Berberine corrected the increased relative kidney weight (P < 0.05) and biomarkers of renal function (creatinine (P < 0.001), urea (P < 0.05), uric acid (P < 0.001), albumin (P < 0.01), and total protein (P < 0.05)) in lead group. It also attenuated lead-induced abnormal renal structure. The results confirmed renoprotective effects of berberine in an animal model of lead-induced nephrotoxicity by molecular, biochemical, and histopathological analysis through inhibiting lipid peroxidation and enhancing antioxidant defense system mechanisms. Therefore, berberine makes a good candidate to protect against the deleterious effect of chronic lead intoxication. PMID- 29204935 TI - Neuroprotective potential of crocin against malathion-induced motor deficit and neurochemical alterations in rats. AB - In several epidemiological studies, an association between pesticide exposure and the incidence of Parkinson's disease (PD) has been reported. Increasing evidence showed that oxidative stress plays an important role in the pathogenesis of PD. The present study investigated the preventive effect of crocin, saffron active components, on malathion (an organophosphate pesticide (OP))-induced Parkinson like behaviors in rat. Rats were divided into eight groups: control (normal saline), malathion (100 mg/kg/day, i.p), crocin (10, 20, or 40 mg/kg/day, i.p) plus malathion, levodopa (10 mg/kg/day, i.p) plus malathion, crocin (40 mg/kg/day, i.p), and PEG (vehicle of levodopa) groups. Treatments were continued for 28 days. The neurobehavioral tests which include open field, rotarod and catalepsy were performed on day 28. The activity of acetylcholinesterase (AChE) in serum, the levels of malondialdehyde (MDA), reduced glutathione (GSH), TNF alpha, and IL-6 in striatum at the end of treatments were evaluated. Results showed that malathion induced neurobehavioral impairments together with elevation of MDA, TNF-alpha and IL-6 levels, reduction of GSH, and AChE activity. Crocin (10, 20, and 40 mg/kg) improved neurobehavioral impairments induced by malathion but not AChE activity. Crocin (10, 20, and 40 mg/kg) or levodopa plus malathion decreased MDA and increased GSH. Also crocin (10 mg/kg) decreased TNF-alpha and IL-6 levels in striatum. In summary, subchronic malathion exposure induced Parkinson-like behavior in rat. Crocin exhibited protective effects against malathion-induced Parkinson-like behavior through reducing lipid peroxidation, improvement of motor deficit and anti-inflammatory effects. PMID- 29204936 TI - Analysis method for PCBs in reclaimed oil using a fast-GC triple stage quadrupole mass spectrometer with the 13-component quantitation method. AB - It is necessary for companies supplying reclaimed oil to analyze polychlorinated biphenyls (PCBs), because there is a possibility of the presence of contaminants due to trace-level PCBs in the reclaimed oil. However, common analysis methods of PCBs are time-consuming and complicated. Fast-GC triple stage quadrupole mass spectrometer with the 13-component quantitation method is an official method for analyzing PCBs in insulating oil in Japan. This method is extremely fast and simplified. The purpose of this study involves an investigation of the aforementioned fast and simple method for potential use in the analysis of reclaimed oil. Furthermore, it was attempted to combine the method with sample preparation involving only hexane dilution. The effect of sample dilutions corresponding to 100, 300, and 500 times was evaluated for reducing the matrix effect. The matrix effect was suppressed at a dilution ratio equal to or exceeding 300 times. Calibration curves of four points, namely 0.01, 0.05, 0.1, and 0.5 ng/mL, (ignored origin) by using an internal standard method were prepared for the 13 components. The square of regression coefficient (R2) values of all calibration curves exceeded 0.997. This method was adopted for the analysis of reclaimed oil containing 0.5 MUg/mL PCBs, which corresponds to the judgment criteria, and accurate quantitation (accuracy value, 94.0-102%) and good repeatability (%RSD, 3.6%) were obtained. Furthermore, the required sensitivity was maintained even when 800 samples were analyzed without a cleaning ion source and an exchanging analysis column. PMID- 29204937 TI - Determination and environmental risk assessment of synthetic musks in the water and sediments of the Jiaozhou Bay wetland, China. AB - Human activity in estuarine areas has resulted in pollution of the aquatic environment, but little is known about the levels of synthetic musks (SMs) in river water and sediments in estuarine areas. This study investigated the concentrations and distribution of SMs in the Jiaozhou Bay wetland, including celestolide, phantolide, traseolide, galaxolide (HHCB), tonalide (AHTN), musk xylene and musk ketone (MK). The SMs HHCB, AHTN and MK were detected at concentrations of 10.7-208, not detected (ND)-59.2 and ND-13.6 ng/L, respectively, in surface water samples and 13.1-27.3, 3.06-14.5 and 1.33-18.8 ng/g (dry weight; dw), respectively, in sediment samples. Based on the calculated total organic carbon (TOC) concentrations, there was no significant correlation between SMs and TOC in sediment samples (p > 0.05). The hazard quotients were 0.204, 0.386 and 0.059 for AHTN, HHCB and MK, respectively, which indicated no serious environmental impact, because these values are all less than 1. The concentrations of SMs decreased as the distance to the Xiaojianxi refuse landfill increased in both surface water and sediments. Compared with previous studies, the concentration of SMs in the Jiaozhou Bay wetland was relatively high. Therefore, more attention should be paid to SMs because of their persistent impact on human health and the environment. PMID- 29204939 TI - Toxic effects of linear alkylbenzene sulfonate on Chara vulgaris L. AB - Linear alkylbenzene sulfonate (LAS) is a common organic pollutant in freshwater environments. Studies have shown that the toxicity of LAS to aquatic plants is directly related to the LAS concentration and depends on the plant species. A 2 week exposure experiment was designed to investigate the toxicity of LAS for the submerged plant Chara vulgaris L. and focused on the effects on growth, photosynthetic pigment content, and antioxidant enzyme activity. The results showed that when exposed to lower LAS doses (<= 1.0 mg l-1), the dry weight of C. vulgaris was significantly reduced. Compared to those of the control group, superoxide dismutase (SOD) and peroxidase (POD) activities significantly increased, while no significant effect was observed for catalase (CAT) activity. Malondialdehyde (MDA) content significantly increased in the LAS treatment groups except for the LAS concentration of 1.0 mg l-1. The content of carotenoids was significantly lower in plant groups exposed to lower concentrations of LAS, while carotenoid content significantly increased at the highest concentration of LAS (5.0 mg l-1). LAS treatment did not significantly affect chlorophyll a and b or total chlorophyll content. The results showed that 5.0 mg l-1 causes some oxidative damage to C. vulgaris but that this concentration was far below the lethal concentration of LAS to C. vulgaris and did not produce severe effects on growth. C. vulgaris plants had some resistance to LAS stress (in the group with <= 5.0 mg l-1). SOD, POD, and carotenoids were more sensitive to the effects of LAS stress and may be considered as response indicators for LAS stress. PMID- 29204938 TI - Preparation of Fe-Cu-kaolinite for catalytic wet peroxide oxidation of 4 chlorophenol. AB - Fe-Cu-kaolinites were prepared by co-precipitation and hydrothermal methods, and characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM), where 2 wt.% natural kaolinite was dispersed, and the ratios of (Al + Fe + Cu)/clay = 10 mmol/g and Al/(Fe + Cu) = 5/1 were maintained. The effect of different drying methods (vacuum drying, ethanol exchange drying, freeze-drying, microwave drying, normal oven drying) and different Fe/Cu molar ratio (0/2, 0.4/1.6, 0.8/1.2, 1/1, 1.2/0.8, 1.6/0.4, 2/0) was also assessed. Catalytic wet peroxide oxidation (CWPO) reaction of 4-chlorophenol (4-CP) was used to probe the reactivity and activity of the materials prepared. The results showed that Fe and Cu could be successfully intercalated into the interlayer of kaolinite by hydrothermal method, where specific surface area and pore volume increased by 19 times and 7 times, respectively; the intensity of basal space (001) reflection peak was reduced by 80%, and tip width was doubly increased. The catalyst possessed higher reactivity, with 85.5% of 4-CP conversion being observed, whereas only 15.2% of 4-CP was removed over raw kaolinite. High-power microwave drying (720 W) was the best drying method, because it resulted in greater microstructure and thus higher reactivity (85.3% of 4-CP conversion), with lower active metal (Fe or Cu) leaching (3.96 mg L-1). Fe/Cu molar ratio of 0.8-1.0/1.2 1.0 was considered as the optimum ratio in pillaring solution, for maintaining higher catalytic activity (85-90% of 4-CP conversion) and lower metal (Fe or Cu) leaching (7-9.3 mg L-1). PMID- 29204940 TI - Isolation of monocrotophos-degrading strain Sphingobiumsp. YW16 and cloning of its TnopdA. AB - The bacterial strain Sphingobium sp. YW16, which is capable of degrading monocrotophos, was isolated from paddy soil in China. Strain YW16 could hydrolyze monocrotophos to dimethylphosphate and N-methylacetoacetamide and utilize dimethylphosphate as the sole carbon source but could not utilize N methylacetoacetamide. Strain YW16 also had the ability to hydrolyze other organophosphate pesticides. A fragment (7067 bp) that included the organophosphorus hydrolase gene, opdA, was acquired from strain YW16 using the shotgun technique combined with SEFA-PCR. Its sequence illustrated that opdA was included in TnopdA, which consisted of a transpose gene, a putative integrase gene, a putative ATP-binding protein gene, and opdA. Additionally, a conjugal transfer protein gene, traI, was located downstream of TnopdA. The juxtaposition of TnopdA with TraI suggests that opdA may be transferred from strain YW16 to other bacteria through conjugation. OpdA was able to hydrolyze a wide range of organophosphate pesticides, with the hydrolysis efficiency decreasing as follows: methyl parathion > fenitrothion > phoxim > dichlorvos > ethyl parathion > trichlorfon > triazophos > chlorpyrifos > monocrotophos > diazinon. This work provides the first report of opdA in the genus Sphingobium. PMID- 29204941 TI - Temporal dynamics of total and free-living nitrogen-fixing bacterial community abundance and structure in soil with and without history of arsenic contamination during a rice growing season. AB - Despite the fact that the nitrogen (N) fixers act as the key regulator of ecosystem process, a detailed study of their abundance, diversity, and dynamics in arsenic (As)-contaminated rice fields is missing so far. DNA extracted from soil followed by 16S rRNA and nifH gene-based real-time qPCR, clone library analysis, and DNA sequencing were used to examine the status of the total and diazotrophic communities in two agricultural fields with and without arsenic contamination history during one rice cultivation season. In general, higher nifH and 16S rRNA gene copy numbers were observed in rice growing soils with lesser As than that with higher As. Elevated levels of 16S rRNA and nifH genes in soil is directly associated with total and nitrogen fixers abundance in the agricultural land without As contamination history through the cultivation period, but the copy number of 16S rRNA gene was decreased, and the nifH gene remained unchanged in the As-contaminated land. Additionally, Canonical Correspondence Analysis (CCA) indicated the possible suppression of nifH gene abundance by soil pH, phosphate, and As content. Increased abundance of total and Acidobacterial lineages in low As-containing soil and the detection of several uncultured groups among nifH gene sequence in higher frequency indicated the presence of novel nifH bearing bacterial groups. Conversely, the abundance of copiotrophic Proteobacterial lineages gradually increased in soil with higher As. Herein, our study demonstrated that the dynamics of free-living nitrogen-fixing bacterial communities were perturbed due to As contamination in agricultural land. PMID- 29204942 TI - Spectrum of health condition in methyl isocyanate (MIC)-exposed survivors measured after 30 years of disaster. AB - Health effects of methyl isocyanate (MIC) exposure were mostly reported on the one-time acute exposure in Bhopal population. Epidemiological survey conducted by the Indian apex body of health research has been reported as Technical Reports, which were lacking in peer review by the expert epidemiologic scientists. The present pilot survey was aimed to measure the health effects 30 years post disaster in MIC-exposed survivors. Questionnaire-based survey has captured every health complaint in 168 individuals and grouped as systemic functions for interpreting the long-term effects of MIC. Key health parameters, including reproductive outcome and respiratory/orthopedic/general morbidity, were prevalent among the severely exposed population compared to control and moderately exposed groups. The collective incidence of diabetes, hypertension, and cancer also was prevalent in the severely exposed group. Ophthalmic morbidity was almost similar in the three groups, rather with higher incidence in the control group, though not statistically significant. Among all health parameters, reproductive, ophthalmic, and respiratory effects were prevalent over others. Although the incidence of health problems has been declined among the survivors, long-term effect is apparent as scars of one-time acute exposure might trigger sequel of long-term effects. Additionally, acquisition of genetic rearrangements, survival of T cell sub-populations, variable latency of chemical effect on DNA nucleosides, nutritional status, occupational exposure, living environment, lifestyle, and overall gene-environment interaction might perturb individual immunity and favor onset of long-term illness in a scenario of background exposure to MIC. However, the exercise should be continued on a larger sample size for drawing a conclusive result on long-term MIC effect on survivors' health. PMID- 29204943 TI - Occurrence, distribution and composition of aliphatic and polycyclic aromatic hydrocarbons in sediment cores from the Lower Fox River, Wisconsin, US. AB - The Lower Fox River is a 39 mile section which supports approximately 270,000 rural inhabitants across 18 counties, 303,000 metropolitan residents in Green Bay and Appleton, Wisconsin, and several large industrial complexes such as paper mills and power plants. This paper presents the distribution and concentrations of aliphatic (n-alkanes) and aromatic hydrocarbons (polycyclic aromatic hydrocarbons [PAHs]) as well as total organic carbon (TOC) in the Lower Fox River to identify the sources of hydrocarbon contamination. Excluding one outlier, percent TOC values were between 0.73 and 19.9% with an average value of 6.74%. Total n-alkanes ranged from 3.51 MUg/g to 117 MUg/g and showed a strong presence of odd carbon-numbered n-alkane ratios (range of C25 to C35), suggesting source input from terrestrial biomass. The mean polycyclic aromatic hydrocarbon (PAH) concentration was 24,800 ng/g. High molecular weight PAH concentrations dominated the distribution of hydrocarbon contaminants. Cross-plots of PAHs were used to compare diagnostic source ratios of benz[a]anthracene (BaA), chrysene (Chr), fluoranthene (Flu), pyrene (Pyr), anthracene (Ant), phenanthrene (Phe), indeno[1,2,3-cd]pyrene (InP), and benzo[g,h,i]perylene (BghiP) by depth and area. PAH ratios varied slightly with the core depth. Deeper core sections indicated the presence of biomass combustion while the upper core sections indicated combustion of both petroleum and biomass. The PAH toxicity of one core was estimated using toxicity equivalency factors, and the benzo[a]pyrene toxic equivalence quotient totaled 2,293 ng/g-dry wt. Levels of PAHs in sediments are compared with established regulatory values and recommendations are made. PMID- 29204944 TI - Comparison of culture media indicates a role for autologous serum in enhancing phenotypic preservation of rabbit limbal stem cells in explant culture. AB - In this study, we aimed to compare the effects of six different cell culture media and autologous serum (AS) on the phenotypic characteristics of rabbit limbal epithelial stem cells (LESC) cultivated on porous polyethylene terephthalate (PET) membranes. Limbal explants from rabbit corneas were grown on PET membrane inserts in five different media: DMEM-F12 with fetal bovine serum (FBS) (DMEM-F12-FBS), with pluripotin (DMEM-F12-pluripotin) and with autologous serum (DMEM-F12-AS), Epilife, Keratinocyte Serum Free Medium (KSFM) and Defined Keratinocyte Serum Free Medium. The effects of different media were evaluated by total cell yield from explants, measuring the expression of proteins by immunofluorescence and gene expression by Real Time PCR. In all five media tested, most of the limbal epithelial cells (LEC) which proliferated from explants were positive for cytokeratin (CK) 14 (85-90%), indicating that all five media support the growth of LESC from explants. The expression of differentiation markers; CK 3 and 12 was highest in DMEM-F12-FBS (56%), was lower in Epilife and KSFM (26 and 19%, respectively), with the lowest values (13%) obtained in DMEM F12-AS. Gene expression of limbal cultures on PET membrane inserts was compared to fresh limbal tissue. In DMEM-F12-FBS, DMEM-F12-pluripotin, and DMEM-F12-AS, expression of potential LESC markers CXCR4 and polycomb complex protein BMI-1 were similar to limbal tissue. DMEM-F12 with 10% AS maintained a higher percentage of potential stem cell marker genes and lower expression of genes involved in differentiation compared to Epilife or KSFM. Our study shows that rabbit LEC can be cultivated on PET inserts using DMEM-F12 with autologous serum without a requirement for amniotic membrane or feeder cells. PMID- 29204946 TI - Gene editing using CRISPR/Cas9: implications for dual-use and biosecurity. PMID- 29204945 TI - D3R Grand Challenge 2: blind prediction of protein-ligand poses, affinity rankings, and relative binding free energies. AB - The Drug Design Data Resource (D3R) ran Grand Challenge 2 (GC2) from September 2016 through February 2017. This challenge was based on a dataset of structures and affinities for the nuclear receptor farnesoid X receptor (FXR), contributed by F. Hoffmann-La Roche. The dataset contained 102 IC50 values, spanning six orders of magnitude, and 36 high-resolution co-crystal structures with representatives of four major ligand classes. Strong global participation was evident, with 49 participants submitting 262 prediction submission packages in total. Procedurally, GC2 mimicked Grand Challenge 2015 (GC2015), with a Stage 1 subchallenge testing ligand pose prediction methods and ranking and scoring methods, and a Stage 2 subchallenge testing only ligand ranking and scoring methods after the release of all blinded co-crystal structures. Two smaller curated sets of 18 and 15 ligands were developed to test alchemical free energy methods. This overview summarizes all aspects of GC2, including the dataset details, challenge procedures, and participant results. We also consider implications for progress in the field, while highlighting methodological areas that merit continued development. Similar to GC2015, the outcome of GC2 underscores the pressing need for methods development in pose prediction, particularly for ligand scaffolds not currently represented in the Protein Data Bank ( http://www.pdb.org ), and in affinity ranking and scoring of bound ligands. PMID- 29204948 TI - Phase Transitions in a Logistic Metapopulation Model with Nonlocal Interactions. AB - The presence of one or more species at some spatial locations but not others is a central matter in ecology. This phenomenon is related to ecological pattern formation. Nonlocal interactions can be considered as one of the mechanisms causing such a phenomenon. We propose a single-species, continuous time metapopulation model taking nonlocal interactions into account. Discrete probability kernels are used to model these interactions in a patchy environment. A linear stability analysis of the model shows that solutions to this equation exhibit pattern formation if the dispersal rate of the species is sufficiently small and the discrete interaction kernel satisfies certain conditions. We numerically observe that traveling and stationary wave-type patterns arise near critical dispersal rate. We use weakly nonlinear analysis to better understand the behavior of formed patterns. We show that observed patterns arise through both supercritical and subcritical bifurcations from spatially homogeneous steady state. Moreover, we observe that as the dispersal rate decreases, amplitude of the patterns increases. For discontinuous transitions to instability, we also show that there exists a threshold for the amplitude of the initial condition, above which pattern formation is observed. PMID- 29204947 TI - Improved Sp1 and Betaine Homocysteine-S-Methyltransferase Expression and Homocysteine Clearance Are Involved in the Effects of Zinc on Oxidative Stress in High-Fat-Diet-Pretreated Mice. AB - Zinc plays a role in alleviating oxidative stress. However, the related mechanisms remain to be further elucidated. The present study was conducted to investigate whether the recovery of oxidative stress in high-fat-diet (HFD) pretreated mice was affected by zinc. Male mice received either an HFD or a low fat-diet (LFD) for 8 weeks. Then, the mice fed with HFD and LFD were both assigned to either a control diet (30 mg zinc, ZD) or a no-added zinc diet (NZD) for an additional 4 weeks. The results showed that after feeding with NZD for 4 weeks, the HFD-pretreated mice had the highest plasma glucose and insulin concentrations, while had the lowest CuZn-SOD and glutathione concentrations. Moreover, after feeding with NZD for 4 weeks, the HFD-pretreated mice had the highest hepatic ROS and homocysteine concentrations, while had the lowest glutathione and methionine concentrations. Furthermore, the HFD-pretreated mice fed with NZD for 4 weeks had the lowest gene and protein expression of betaine homocysteine-S-methyltransferase (BHMT), cystathionine beta-synthase, and Sp1. The results suggested that zinc was critical for oxidative stress alleviation and homocysteine clearance in HFD-pretreated mice. It was further elucidated that improved Sp1 and BHMT expression are involved in the effects of zinc on oxidative stress. PMID- 29204949 TI - [Stroke prevention in atrial fibrillation in Germany. Situational analysis of treatment reality based on retrospective data]. AB - BACKGROUND: Guideline-based, risk-adjusted therapy with anticoagulants reduce thromboembolic stroke risk in patients with atrial fibrillation (AF). METHOD: This study analyzed use of oral anticoagulation in German AF-patients. Access to anonymized patient records was made via IMS Health Disease Analyzer database (sample size: 113,619 patients with ICD-10 Code I48.-; observation period: 11/2010-10/2013). Results were subsequently extrapolated to all general practitioners' (GPs) and cardiological practices in Germany. RESULTS: In 2011 12 month AF-prevalence was extrapolated to 2.1 million patients (first diagnosed: n = 537.548). In 2012 AF-prevalence gone up to 2.2 million cases (first diagnosed: n = 537.548) and in 2013 to 2.8 million (first diagnosed: n = 636.571). Commonly prescribed oral anticoagulants (OAC) were vitamin K antagonists (VKA). Unstable INR setting, private health insurance, hospital admission, heart failure or hypertension increased probability of change from VKA to non-vitamin K antagonist oral anticoagulants (NOAC). 17.3-36.5% of patients with CHA2DS2-VASc-score >= 2 did not receive any thromboembolism prophylaxis; 38.5% with CHA2DS2-VASc-score = 0 received unnecessarily OACs. For 2013 a potential of 29.749 ischemic strokes in GP practices was calculated, which possibly can be avoided by thromboembolism prophylaxis according to guidelines. CONCLUSIONS: Risk-based anticoagulation showed requirements for optimization. Use of OACs, according to guideline recommendations, would minimize bleeding risks, reduce ischemic strokes and could release resources. PMID- 29204950 TI - [Physiotherapy in pain medicine. Further treatment after a multimodal pain therapy program]. AB - BACKGROUND: Chronic pain is a global health challenge for both the individual patient and the healthcare community. Multimodal Pain Management, as one of the possible therapies for patients with chronic pain, provides a comprehensive tool that places equally high demands on therapists and patients and is consistently recommended. METHOD: In a monocentric cross-sectional study, patients who had previously participated in a multi-modal pain therapy program lasting several weeks were asked about the follow-up recommendations of the interdisciplinary team of the Pain Management Clinic. Using a structured questionnaire, patients should indicate whether they were treated on an outpatient basis after discharge, or for what reasons they were not. RESULTS: 80 patients were randomized to the survey, 47 of whom participated in the survey (33 women, mean age 60 +/- 14.5 years, 14 men, 56 +/- 11.9 years). The follow-up recommendations of the interdisciplinary team were implemented by 70% of the participants. Pain management strategies (68%), relaxation methods (53%) and moderate endurance sports (32%) were the most frequently used. 28 patients (60%) continued to receive physiotherapy after the pain therapy program. 19 patients (40%) did not continue physiotherapy after discharge. The reasons for this were lack of medical prescription (32%), dissatisfaction with treatment (17%) and inadequate treatment (15%). Lack of time due to caring for a family member or childcare (working and single mothers) was reported by 10% of patients. CONCLUSIONS: There is currently no adequate, outpatient, continuing care in the sense of a multimodal treatment concept for chronic pain patients. The needs of patient preferences are not sufficiently considered. Deficits lie in the practice organization and health care structures, which continue the multimodal idea. PMID- 29204951 TI - [Real-life efficacy and tolerability of methocarbamol in patients suffering from refractory muscle-related low/back pain - Results of a health care research project based on data from the German pain practice registry]. AB - BACKGROUND: Subacute, muscle-related low/back pain (L/BP) is known to be difficult to treat and frequently requires more specific causal-oriented treatments with agents improving the increased muscle tone. Currently, only methocarbamol is approved and available for the 1st-line treatment of patients with muscle-related L/BP in Germany - however, without sufficient data on longer lasting effects (> 1 week) in elsewhere refractory patients. METHOD: Noninterventional cohort study, based on anonymized routine data of the German pain practice registry; retrospective evaluation of patients with refractory L/BP, who first time received a treatment with methocarbamol between October 1st until December 31st, 2015, and who documented their response to treatment with the standardized and validated instruments of the German pain questionnaire over at least 4 weeks (n = 251 patients). RESULTS: During the 4-week evaluation period, patients reported a highly significant and clinically relevant improvement of pain intensity (from 53.0 +/- 10.5 to 19.0 +/- 10.0 mm VAS), pain related disability in daily life (mPDI: from 42.1 +/- 12.5 to 15.5 +/- 10.8) and quality of life (QLIP: from 18.6 +/- 6.3 to 34.0 +/- 5.5; all changes p < 0.001 vs. baseline). Corresponding 50% response rates were 81.7 (n = 205), 68.5 (n = 172) und 91.6 (n = 230) %. In parallel, lumbar mobility (measured with the Schober's test) improved from 10.7 +/- 0.7 to 14.7 +/- 0.7 cm (p < 0,001). Overall, seven patients recorded eight minor treatment-related adverse events, which all resolved spontaneously during treatment without any specific countermeasures. CONCLUSION: Under the conditions of daily life, patients with elsewhere refractory L/BP reported a significant and clinically relevant improvement of pain intensity, pain-related disability and quality of life in response to a 4-week treatment with methocarbamol. PMID- 29204952 TI - [Therapeutic modulation of intestinal microbiota in irritable bowel syndrome. From probiotics to fecal microbiota therapy]. AB - BACKGROUND: An abnormal intestinal microbiota (dysbiosis) plays a central role in the pathogenesis of the irritable bowel syndrome. METHOD: An overview of four current options for the treatment of irritable bowel syndrome, which are characterized by modulation of intestinal microbiota, is given. RESULTS AND CONCLUSIONS: Probiotics have very different effects on the individual symptoms of the irritable bowel. The choice of the appropriate preparation should therefore be based on the clinical symptomatology. The antibiotic rifaximin is effective in selected patients. Some patients also benefit from the repetition of this therapy. A FODMAP-reduced diet has shown significant alleviation of irritable bowel symptoms in studies. The fecal microbiota therapy (FMT) is a promising treatment option. At present, however, there are no such placebo-controlled studies to assess the effectiveness of this method. PMID- 29204953 TI - Comparing Safety and Efficacy of "Third-Generation" Antiepileptic Drugs: Long Term Extension and Post-marketing Treatment. AB - Four "third-generation" antiepileptic drugs (AEDs) were approved for adjunctive treatment of refractory focal onset seizures during the past 10 years. Long-term efficacy and safety of the drugs were demonstrated in large extension studies and in reports of subgroups of patients not studied in pivotal trials. Reviewing extension study and post-marketing outcome series for the four newer AEDs lacosamide, perampanel, eslicarbazepine acetate and brivaracetam-can guide clinicians in treating and monitoring patients. AED extension studies evaluate treatment retention, drug tolerability, and drug safety during individualized treatment with flexible dosing and thus provide information not available in rigid pivotal trials. Patient retention in the studies ranged from 75 to 80% at 1 year and from 36 to 68% at 2-year treatment intervals. Safety findings were generally similar to those of pivotal trials, with no major safety risks identified and with several specific adverse drug effects, such as hyponatremia, reported. The third-generation AEDs, some through new mechanisms and others with improved tolerability compared to related AEDs, provide new options in efficacy and tolerability. PMID- 29204954 TI - Chronic Fluoxetine Induces Activity Changes in Recovery From Poststroke Anxiety, Depression, and Cognitive Impairment. AB - Poststroke depression (PSD) is a common outcome of stroke that limits recovery and is only partially responsive to chronic antidepressant treatment. In order to elucidate changes in the cortical-limbic circuitry associated with PSD and its treatment, we examined a novel mouse model of persistent PSD. Focal endothelin-1 induced ischemia of the left medial prefrontal cortex (mPFC) in male C57BL6 mice resulted in a chronic anxiety and depression phenotype. Here, we show severe cognitive impairment in spatial learning and memory in the stroke mice. The behavioral and cognitive phenotypes were reversed by chronic (4-week) treatment with fluoxetine, alone or with voluntary exercise (free-running wheel), but not by exercise alone. To assess chronic cellular activation, FosB+ cells were co labeled for markers of glutamate/pyramidal (VGluT1-3/CaMKIIalpha), gamma aminobutyric acid (GAD67), and serotonin (TPH). At 6 weeks poststroke versus sham (or 4 days poststroke), left mPFC stroke induced widespread FosB activation, more on the right (contralesional) than on the left side. Stroke activated glutamate cells of the mPFC, nucleus accumbens, amygdala, hippocampus, and raphe serotonin neurons. Chronic fluoxetine balanced bilateral neuronal activity, reducing total FosB and FosB/CamKII+ cells (mPFC, nucleus accumbens), and unlike exercise, increasing FosB/GAD67+ cells (septum, amygdala) or both (hippocampus, raphe). In summary, chronic antidepressant but not exercise mediates recovery in this unilateral ischemic PSD model that is associated with region-specific reversal of stroke-induced pyramidal cell hyperactivity and increase in gamma-aminobutyric acidergic activity. Targeted brain stimulation to restore brain activity could provide a rational approach for treating clinical PSD. PMID- 29204957 TI - Literature alert. PMID- 29204956 TI - Web alert. PMID- 29204958 TI - Pharmacokinetics and Safety of Ingenol Disoxate Gel Administered Under Maximum Use Conditions to Patients With Actinic Keratosis. AB - BACKGROUND AND OBJECTIVES: Ingenol disoxate (LEO 43204) is a field therapy in development for the treatment of actinic keratosis (AK) on areas between 25 and 250 cm2. We evaluated the systemic exposure and safety of ingenol disoxate under maximum-use conditions. METHODS: This was a phase I, open-label, non-randomized, multicenter trial. Patients >= 18 years of age with >= 15 clinically typical, visible, discrete AK lesions in a treatment area on the full face or approximately 250 cm2 on the arm or scalp were treated once-daily for 3 consecutive days with ingenol disoxate 0.018, 0.1, or 0.037% gel, respectively. RESULTS: The trial included 58 patients. Median age (range) of patients was 68 years (42-89) [face, N = 18], 66 years (43-88) [arm, N = 21], and 67 years (37 83) [scalp, N = 19]. The highest quantifiable ingenol disoxate level was observed in the arm group (0.33 nM, area under the concentration-time curve from time zero to the last data point [AUCtlast] 3.12 nM.h). Mean composite local skin response scores peaked at Day 4 and declined towards baseline by Day 15 in all treatment groups. Most adverse events (AEs) were of mild or moderate intensity; the most common treatment-related AEs were application-site pain (face, 88.9%; arm, 57.1%; scalp, 100.0%) and application-site pruritus (face, 50.0%; arm, 52.4%; scalp, 42.1%). CONCLUSION: Very low systemic exposure to ingenol disoxate was observed when applied to the face, arm, or scalp in patients with AK under maximum-use conditions. No new safety signals were identified. TRIAL REGISTRATION: NCT02424305. PMID- 29204955 TI - The "Gut Feeling": Breaking Down the Role of Gut Microbiome in Multiple Sclerosis. AB - Multiple sclerosis (MS) is a chronic neuroinflammatory disease of the central nervous system with unknown etiology. Recently, the gut microbiota has emerged as a potential factor in the development of MS, with a number of studies having shown that patients with MS exhibit gut dysbiosis. The gut microbiota helps the host remain healthy by regulating various functions, including food metabolism, energy homeostasis, maintenance of the intestinal barrier, inhibition of colonization by pathogenic organisms, and shaping of both mucosal and systemic immune responses. Alteration of the gut microbiota, and subsequent changes in its metabolic network that perturb this homeostasis, may lead to intestinal and systemic disorders such as MS. Here we discuss the findings of recent MS microbiome studies and potential mechanisms through which gut microbiota can predispose to, or protect against, MS. These findings highlight the need of an improved understanding of the interactions between the microbiota and host for developing therapies based on gut commensals with which to treat MS. PMID- 29204960 TI - Seizures in Alzheimer's disease: is there more beneath the surface? PMID- 29204959 TI - Insights into the bisphosphonate holiday: a preliminary FTIRI study. AB - : Bone composition evaluated by FTIRI analysis of iliac crest biopsies from post menopausal women treated with alendronate for 10 years, continuously or alendronate for 5 years, followed by a 5-year alendronate-holiday, only differed with the discontinued biopsies having increased cortical crystallinity and heterogeneity of acid phosphate substitution and decreased trabecular crystallinity heterogeneity. INTRODUCTION: Bisphosphonates (BP) are the most commonly used and effective drugs to prevent fragility fractures; however, concerns exist that prolonged use may lead to adverse events. Recent recommendations suggest consideration of a BP "holiday" in individuals taking long-term BP therapy not at high risk of fracture. Data supporting or refuting this recommendation based on bone quality are limited. We hypothesized that a "holiday" of 5 years would cause no major bone compositional changes. METHODS: We analyzed the 31 available biopsies from the FLEX-Long-term Extension of FIT (Fracture Intervention Trial) using Fourier transform infrared imaging (FTIRI). Biopsies from two groups of post-menopausal women, a "Continuously treated group" (N = 16) receiving alendronate for ~ 10 years and a "Discontinued group" (N = 15), alendronate treated for 5 years taking no antiresorptive medication during the following 5 years. Iliac crest bone biopsies were provided at 10 years. RESULTS: Key FTIRI parameters, mineral-to-matrix ratio, carbonate-to-phosphate ratio, acid phosphate substitution, and collagen cross-link ratio as well as heterogeneity of these parameters were similar for Continuously treated and Discontinued groups in age-adjusted models. The Discontinued group had 2% greater cortical crystallinity (p = 0.01), 31% greater cortical acid phosphate heterogeneity (p = 0.02), and 24% lower trabecular crystallinity heterogeneity (p = 0.02). CONCLUSIONS: Discontinuation of alendronate for 5 years did not affect key FTIRI parameters, supporting the hypothesis that discontinuation would have little impact on bone composition. Modest differences were observed in three parameters that are not likely to affect bone mechanical properties. These preliminary data suggest that a 5-year BP holiday is not harmful to bone composition. PMID- 29204961 TI - Patterns of convexal subarachnoid haemorrhage: clinical, radiological and outcome differences between cerebral amyloid angiopathy and other causes. AB - BACKGROUND: Cerebral amyloid angiopathy (CAA) is a common aetiology of convexal subarachnoid haemorrhage (cSAH) but little is known about its specific characteristics in comparison with cSAH from other causes. In this study we compared patients with CAA vs. non-CAA-related cSAH. METHODS: Retrospective review of baseline and follow-up data of consecutive patients admitted with a symptomatic acute cSAH. RESULTS: Sixty-two patients were included (mean age 66.2 +/- 14.1 years), of whom 31 with probable CAA. CAA patients presented more frequently with transient symptoms (83.9 vs. 19.3%; p < 0.001) usually without headache (19.0 vs. 58.1%; p = 0.002). In CAA, these were essentially positive sensory disturbance that met the criteria of transient focal neurological episodes (TFNE). CAA was more often associated with cortical superficial siderosis (cSS) (80.6 vs. 0%; p < 0.001) and lobar cerebral microbleeds (83.4 vs. 9%; p < 0.001). During a mean of 22 months of follow-up, recurrent symptomatic cSAH occurred in 4/27 (12.9%) CAA patients and in 0/27 non-CAA patients. Among 40 patients with MRI follow-up, cSAH recurrences were observed in 44% of CAA patients vs. 13.3% of other cases (p = 0.08) and extension of cSS was detected only in CAA (60%) (p < 0.001). Acute cSAH evolved to cSS in 96 and 73.3% of CAA and non-CAA patients, respectively (p = 0.06). CONCLUSIONS: CAA differs from other cSAH in having TFNE as a frequent clinical presentation, a high prevalence of cSS and an increased risk of recurrent subarachnoid bleeding. However, evolution from acute cSAH to focal cSS may not be specific to CAA. PMID- 29204962 TI - Adult leukoencephalopathies with prominent infratentorial involvement can be caused by Erdheim-Chester disease. AB - BACKGROUND: Leukoencephalopathies with prominent involvement of cerebellum and brainstem, henceforward called prominent infratentorial leukoencephalopathies (PILs), encompass a variety of inherited and acquired white matter diseases. Erdheim-Chester disease (ECD) is a rare non-Langerhans cell histiocytosis likely under-diagnosed as cause of adult PIL. METHODS: We reviewed the clinical and laboratory information of ten consecutive sporadic adult patients with PIL of unknown origin, who were investigated for ECD. RESULTS: There were seven males and three females; mean age at clinical onset was 49.6 years (range 38-59); cerebellar ataxia with or without other neurological symptoms was the only or the main clinical manifestation; diabetes insipidus was present in three individuals. Eight patients had white matter focal supratentorial abnormalities, in addition to the infratentorial white matter changes. Six out of eight patients had spinal cord lesions. Thoraco-abdominal CT showed periaortic sheathing in two patients, whole-body FDG-PET revealed increased glucose uptake in the long bones of the legs in five patients, brain FDG-PET showed overt infratentorial hypermetabolism in one patient. In eight patients, ECD was confirmed by bone scintigraphy, pathological data, or both. Two ECD patients treated with vemurafenib showed a marked improvement of neurological symptoms and brain MRI abnormalities at 1 year follow-up. CONCLUSIONS: Symptoms of PIL can be the only clinical manifestation of ECD. Adult patients with PIL of unknown origin should undergo investigations aimed at unveiling ECD, including bone scintigraphy and whole-body FDG-PET. The early diagnosis allows starting disease-modifying therapies of an otherwise life threatening disease. PMID- 29204963 TI - The BRAIN test: a keyboard-tapping test to assess disability and clinical features of multiple sclerosis. AB - BACKGROUND: The BRadykinesia Akinesia INcordination (BRAIN) test is an online keyboard-tapping test previously validated as a sensitive tool for detecting signs of Parkinson's disease. OBJECTIVES: To determine whether the BRAIN test can measure disability in MS and identify the presence of pyramidal or cerebellar dysfunction. METHODS: Kinesia scores (KS, number of key taps in 30 s), akinesia times (AT, mean dwell time on each key) and incoordination scores (IS, variance of travelling time between keys) were calculated in 39 MS patients. These were correlated against the Expanded Disability Status Scale (EDSS) scores, pyramidal and cerebellar functional system scores and 9-hole peg test scores. RESULTS: EDSS correlated with KS (r = - 0.594, p < 0.001), AT (r = 0.464, p = 0.003) and IS (r = 0.423, p = 0.007). 9-HPT scores strongly correlated with KS (r = 0.926, p < 0.001). Pyramidal scores correlated with KS (r = - 0.517, p < 0.001). Cerebellar scores correlated with KS (r = - 0.665, p < 0.001), AT (r = 0.567, p < 0.001) and IS (r = 0.546, p = 0.007). Receiver operating characteristic curves demonstrate that KS can distinguish between the presence or absence of pyramidal and cerebellar dysfunction with area under curve 0.840 (p < 0.001) and 0.829 (p < 0.001), respectively. CONCLUSIONS: The BRAIN test can remotely measure disability in MS. Specific scores differ according to the presence and severity of pyramidal or extrapyramidal dysfunction. It demonstrates huge potential in monitoring disease progression in clinical trials. PMID- 29204964 TI - A randomized double-blind, placebo-controlled, cross-over trial (Vestparoxy) of the treatment of vestibular paroxysmia with oxcarbazepine. AB - OBJECTIVE: Vestibular paroxysmia (VP) is characterized by short, often oligosymptomatic attacks of vertigo which occur spontaneously or are sometimes provoked by turning the head. Despite the description of the disease almost 40 years ago (first termed "disabling positional vertigo"), no controlled treatment trial has been published to date. The Vestparoxy trial was designed as a randomized, placebo-controlled, double-blind cross-over trial to examine the therapeutic effect of oxcarbazepine (OXA) in patients with definite or probable VP. METHODS: Patients were recruited from August 2005 to December 2011 in the outpatient Dizziness Unit of the Department of Neurology of the Munich University Hospital, and randomized to receive OXA (first week: 300 mg once per day, second week: 300 mg b.i.d., third week: 300 mg t.i.d. until the end of the third month), followed by placebo or vice versa with a 1-month wash-out period in between. The primary endpoint was the number of days with one or more attacks. Secondary endpoints were the number of attacks during the observed days, and the median (for each day) duration of attacks. All these endpoints were assessed using standardized diaries collected at the end of each treatment phase. RESULTS: Forty three patients were randomized, 18 patients provided usable data (2525 patient days) for at least one treatment phase and were included in the main (intention to-treat) analysis. The most common reasons for discontinuation documented were adverse events. The risk of experiencing a day with at least one attack was 0.41 under OXA, and 0.62 under placebo treatment, yielding a relative risk of 0.67 (95% CI 0.47-0.95, p = 0.025). The number of attacks during the observed days ratio was 0.53 (95% CI 0.42-0.68, p < 0.001) under OXA compared to placebo. Median attack duration was 4 s (Q25: 2 s, Q75: 120 s) under OXA, and 3 s (Q25: 2 s, Q75: 60 s) under placebo treatment. When days with no attacks, i.e., duration = 0, were included in the analysis, these figures changed to 0 (Q25: 0, Q75: 3 s), and 2 (Q25: 0, Q75: 6 s). No serious adverse events or new safety findings were identified during the trial. CONCLUSIONS: The Vestparoxy trial showed a significant reduction of VP attacks under OXA compared to placebo treatment, confirming the known and revealing no new side effects. PMID- 29204965 TI - Assessing biodegradation of furfuryl alcohol using Pseudomonas putida MTCC 1194 and Pseudomonas aeruginosa MTCC 1034 and its kinetics. AB - The biodegradation of furfuryl alcohol (FA) in shake flask experiments using a pure culture of Pseudomonas putida (MTCC 1194) and Pseudomonas aeruginosa (MTCC 1034) was studied at 30 degrees C and pH 7.0. Experiments were performed at different FA concentrations ranging from 50 to 500 mg/l. Before carrying out the biodegradation studies, the bacterial strains were acclimatized to the concentration of 500 mg/l of FA by gradually raising 100 mg/l of FA in each step. The well acclimatized culture of P. putida and P. aeruginosa degraded about 80 and 66% of 50 mg/l FA, respectively. At higher concentration of FA, the percentage of FA degradation decreased. The purpose of this study was to determine the kinetics of biodegradation of FA by measuring biomass growth rates and concentration of FA as a function of time. Substrate inhibition was calculated from experimental growth parameters using the Haldane equation. Data for P. putida were determined as u max = 0.23 h-1, K s = 23.93 mg/l and K i = 217.1 mg/l and for P. aeruginosa were determined as u max = 0.13 h-1, K s = 21.3 mg/l and K i = 284.9 mg/l. The experimental data were fitted in Haldane, Aiba and Edwards inhibition models. PMID- 29204967 TI - The importance of a well-structured pancreatic screening program for familial and hereditary pancreatic cancer. PMID- 29204966 TI - Roles of Organic Anion Transporting Polypeptide 2A1 (OATP2A1/SLCO2A1) in Regulating the Pathophysiological Actions of Prostaglandins. AB - Solute carrier organic anion transporter family member 2A1 (OATP2A1, encoded by the SLCO2A1 gene), which was initially identified as prostaglandin transporter (PGT), is expressed ubiquitously in tissues and mediates the distribution of prostanoids, such as PGE2, PGF2alpha, PGD2 and TxB2. It is well known to play a key role in the metabolic clearance of prostaglandins, which are taken up into the cell by OATP2A1 and then oxidatively inactivated by 15-ketoprostaglandin dehydrogenase (encoded by HPGD); indeed, OATP2A1-mediated uptake is the rate limiting step of PGE2 catabolism. Consequently, since OATP2A1 activity is required for termination of prostaglandin signaling via prostanoid receptors, its inhibition can enhance such signaling. On the other hand, OATP2A1 can also function as an organic anion exchanger, mediating efflux of prostaglandins in exchange for import of anions such as lactate, and in this context, it plays a role in the release of newly synthesized prostaglandins from cells. These different functions likely operate in different compartments within the cell. OATP2A1 is reported to function at cytoplasmic vesicle/organelle membranes. As a regulator of the levels of physiologically active prostaglandins, OATP2A1 is implicated in diverse physiological and pathophysiological processes in many organs. Recently, whole exome analysis has revealed that recessive mutations in SLCO2A1 cause refractory diseases in humans, including primary hypertrophic osteoarthropathy (PHO) and chronic non-specific ulcers in small intestine (CNSU). Here, we review and summarize recent information on the molecular functions of OATP2A1 and on its physiological and pathological significance. PMID- 29204968 TI - Advantages to Using Social-Behavioral Models of Medication Adherence in Research and Practice. AB - Achieving and sustaining high levels of adherence to medication regimens is essential to improving health outcomes, but continues to be a challenge for a sizable proportion of patients. Decades of research suggests that medication adherence is determined by a complex constellation of factors. Social-behavioral science research has focused on creating frameworks that identify which contextual, personal, social, or drug-related factors appear to most influence adherence. Comprehensive models of adherence propose specific structural relationships between these factors that can be used to plan for, implement, and monitor programs that seek to optimize adherence. The use of social-behavioral models offers multiple advantages in both practice and research environments; however, the breadth and depth of these models can deter many from engaging in this important exercise. To promote the use of social-behavioral frameworks and models of adherence, we provide a brief overview of the advantages in using a social-behavioral lens in adherence work, a sampling of models used in HIV medication adherence research that have high generalizability to other conditions, and practical guidance for grounding adherence promotion strategies in evidence informed by social-behavioral science research. PMID- 29204970 TI - Taking an Interdisciplinary Approach to Understanding and Improving Medication Adherence. PMID- 29204969 TI - Advancing the Science and Practice of Medication Adherence. AB - Medication adherence remains a significant unmet challenge for optimizing patient outcomes. Recent advances in the conceptualization, measurement, and support of medication adherence offer fresh opportunities to make a meaningful impact on adherence-related behavior and outcomes. These advances emphasize the multifaceted and dynamic nature of medication adherence, provide novel methods for monitoring medication adherence in clinical care, and articulate a set of multilevel strategies to more effectively improve and sustain medication adherence. Here, we offer recommendations for how clinicians can better engage with, and benefit from, these innovations to improve patient medication adherence and associated treatment outcomes. PMID- 29204971 TI - Cultural Issues in Medication Adherence: Disparities and Directions. AB - Adherence to medications is dependent upon a variety of factors, including individual characteristics of the patient, the patient's family and culture, interactions with healthcare providers, and the healthcare system itself. Because of its association with worse outcomes, poor medication adherence is considered a potential contributor to disparities in health outcomes observed for various conditions across racial and ethnic groups. While there are no simple answers, it is clear that patient, provider, cultural, historical, and healthcare system factors all play a role in patterns of medication use. Here, we provide an overview of the interface between culture and medication adherence for chronic conditions; discuss medication adherence in the context of observed health disparities; provide examples of cultural issues in medication adherence at the individual, family, and healthcare system/provider level; review potential interventions to address cultural issues in medication use; and provide recommendations for future work. PMID- 29204972 TI - Interprofessional Collaboration: A Qualitative Study of Non-Physician Perspectives on Resident Competency. AB - BACKGROUND: The Association of American Medical Colleges (AAMC) includes the ability to collaborate in an interprofessional team as a core professional activity that trainees should be able to complete on day 1 of residency (Med Sci Educ. 26:797-800, 2016). The training that medical students require in order to achieve this competency, however, is not well established (Med Sci Educ. 26:457 61, 2016), and few studies have examined non-physician healthcare professionals' perspectives regarding resident physicians' interprofessional skills. OBJECTIVE: This study aims to describe non-physicians' views on barriers to collaboration with physicians, as well as factors that contribute to good collaborative relationships. PARTICIPANTS: Nurses, social workers, case managers, dietitians, rehabilitation therapists, and pharmacists at one academic medical center, largely working in the inpatient setting. APPROACH: A qualitative study design was employed. Data were collected from individual interviews and focus groups comprising non-physician healthcare professionals. KEY RESULTS: Knowledge gaps identified as impeding interprofessional collaboration included inadequate understanding of current roles, potential roles, and processes for non-physician healthcare professionals. Specific physician behaviors that were identified as contributing to good collaborative relationships included mutual support such as backing up other team members and prioritizing multidisciplinary rounds, and communication including keeping team members informed, asking for their input, physicians explaining their rationale, and practicing joint problem-solving with non-physicians. CONCLUSIONS: Discussion of how physician trainees can best learn to collaborate as members of an interprofessional team must include non-physician perspectives. Training designed to provide medical students and residents with a better understanding of non-physician roles and to enhance mutual support and communication skills may be critical in achieving the AAMC's goals of making physicians effective members of interprofessional teams, and thus improving patient-centered care. We hope that medical educators will include these areas identified as important by non-physicians in targeted team training for their learners. PMID- 29204973 TI - External Validation of a Tool Predicting 7-Year Risk of Developing Cardiovascular Disease, Type 2 Diabetes or Chronic Kidney Disease. AB - BACKGROUND: Chronic cardiometabolic diseases, including cardiovascular disease (CVD), type 2 diabetes (T2D) and chronic kidney disease (CKD), share many modifiable risk factors and can be prevented using combined prevention programs. Valid risk prediction tools are needed to accurately identify individuals at risk. OBJECTIVE: We aimed to validate a previously developed non-invasive risk prediction tool for predicting the combined 7-year-risk for chronic cardiometabolic diseases. DESIGN: The previously developed tool is stratified for sex and contains the predictors age, BMI, waist circumference, use of antihypertensives, smoking, family history of myocardial infarction/stroke, and family history of diabetes. This tool was externally validated, evaluating model performance using area under the receiver operating characteristic curve (AUC) assessing discrimination-and Hosmer-Lemeshow goodness-of-fit (HL) statistics assessing calibration. The intercept was recalibrated to improve calibration performance. PARTICIPANTS: The risk prediction tool was validated in 3544 participants from the Australian Diabetes, Obesity and Lifestyle Study (AusDiab). KEY RESULTS: Discrimination was acceptable, with an AUC of 0.78 (95% CI 0.75 0.81) in men and 0.78 (95% CI 0.74-0.81) in women. Calibration was poor (HL statistic: p < 0.001), but improved considerably after intercept recalibration. Examination of individual outcomes showed that in men, AUC was highest for CKD (0.85 [95% CI 0.78-0.91]) and lowest for T2D (0.69 [95% CI 0.65-0.74]). In women, AUC was highest for CVD (0.88 [95% CI 0.83-0.94)]) and lowest for T2D (0.71 [95% CI 0.66-0.75]). CONCLUSIONS: Validation of our previously developed tool showed robust discriminative performance across populations. Model recalibration is recommended to account for different disease rates. Our risk prediction tool can be useful in large-scale prevention programs for identifying those in need of further risk profiling because of their increased risk for chronic cardiometabolic diseases. PMID- 29204974 TI - Effects of Discontinuation of Urate-Lowering Therapy: A Systematic Review. AB - BACKGROUND: Urate-lowering therapy (ULT) is associated with low rates of adherence, leading to a potential risk of relapse of gouty arthritis, tophi, or urolithiasis. Our main aim was to identify the recurrence of gouty arthritis, tophi, or urolithiasis after discontinuation of ULT. Secondary aims included an assessment of ULT reintroduction rates and factors associated with relapse. METHODS: We conducted a systematic literature review of clinical studies investigating the effect of discontinuing any ULT (allopurinol, febuxostat, probenecid, sulfinpyrazone, benzbromarone) in adults on long-term therapy. We searched The Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, Science Citation Index, and ClinicalTrials.gov from inception to March 2016. Conference abstracts of the ACR/ARHP and EULAR annual conferences were hand searched. Study quality was assessed using the first eight items of the methodological index for non-randomized studies (MINORS) tool. The review protocol is registered with PROSPERO (CRD42016042048). RESULTS: A total of 4640 articles were identified, eight of which were ultimately included. Most of these studies predated 2000. MINORS scores ranged from 5 to 10 out of a possible 16. Mean follow-up duration after discontinuation ranged from 12 to 96 months. Five studies focused on discontinuation of ULT in gouty arthritis and tophi, two in urolithiasis, and one in asymptomatic hyperuricemia. Relapse rates were high in gout (36-81%) and lower in urolithiasis (15%). Relapses occurred 1-4.5 years after ULT discontinuation. In one study, a low serum urate level before and after ULT discontinuation was associated with lower gout recurrence. DISCUSSION: Relapse of gout is common although delayed after discontinuation of ULT. Short term prognosis after ULT discontinuation appears favorable if the serum urate level was low before ULT discontinuation. The results of this review are limited by the paucity of existing studies and their low quality. Further comparative studies should consider larger primary care populations and discontinuation of febuxostat. PMID- 29204975 TI - Characteristics and Disparities among Primary Care Practices in the United States. AB - BACKGROUND: Despite new incentives for US primary care, concerns abound that patient-centered practice capabilities are lagging. OBJECTIVE: Describe the practice structure, patient-centered capabilities, and payment relationships of US primary care practices; identify disparities in practice capabilities. DESIGN: Analysis of the 2015 Medical Organizations Survey (MOS), part of the nationally representative Medical Expenditure Panel Survey (MEPS). SETTING: Practice reported information from primary care practices of MEPS respondents who reported receiving primary care and made at least one visit in 2015 to that practice. PARTICIPANTS: Surveyed primary care practices (n = 4318; 77% response rate) providing primary care to 7161 individuals, representing 101,159,263 Americans. MAIN MEASURES: Practice structure (ownership and personnel); practice capabilities (certification as a patient-centered medical home [PCMH], electronic health record [EHR] use, and x-ray capability); and payment orientation (accountable care organization [ACO] and capitation). KEY RESULTS: Independently owned practices served 55% of patients, hospital-owned practices served 19%, and nonprofit/government/academic-owned served 20%. Solo practices served 25% of patients and practices with 2-10 physicians served 53% of patients. Forty-one percent of patients were served by practices certified as PCMHs. Practices with EHRs cared for 90% of patients and could exchange secure messages with 78% of patients. Practices with in-office x-ray capability cared for 34% of patients. Practices participating in ACOs and capitation served 44% and 46% of patients, respectively. Primary care patients in the South, compared to the rest of the country, had less access to nearly all practice capabilities, including patient care coordination (adjusted difference, 13% [95% CI, 8-18]) and secure EHR messaging (adjusted difference, 6% [95% CI, 1-10]). Uninsured patients were less likely to be served at a practice that used an EHR (adjusted difference, 9% [95% CI, 2-16]). CONCLUSIONS: Participants' primary care practices were mostly independently owned, nearly always used EHRs (albeit of varying capability), and frequently participated in innovative payment arrangements for a portion of their patients. Patient practices in the South had fewer capabilities than the rest of the country. PMID- 29204976 TI - Three Year Functional Trajectories Among Old Age Survivors and Decedents: Dying Eliminates a Racial Disparity. AB - BACKGROUND: Long-term trajectories of disability comparing decedents and survivors and differences by race have not been assessed. OBJECTIVE: To examine self-reported difficulty in walking a quarter mile and the need for assistance with activities of daily living (ADL) beginning 3 years before death among decedents and age- and gender-matched survivors. DESIGN: A case-control sample drawn from the Health, Aging and Body Composition Study (Health ABC). Data were collected between 1997 and 2015. PARTICIPANTS: Of the 1991 participants who died by the end of the study, 1410 were interviewed for 3 years prior to death, including an interview 6 months before dying. Of these, 1379 decedents were successfully matched by age and gender with 1379 survivors and tracked over the same 3-year period. MAIN MEASURES: Self-reported difficulty walking a quarter mile and the ability to perform activities of daily living without assistance (bathing, dressing, transferring). KEY RESULTS: Decedents (mean age at death, 84) increased in mobility disability from 44.1% 3 years before death to 69.4% 6 months before death and in ADL disability from 32.9% to 58.4%. Among survivors, mobility disability increased from 31.4% to 40.7% and ADL disability from 17.4% to 31.4%. The proportion of decedents and survivors with mobility disability differed significantly in adjusted models at all assessment points (p < 0.0001). African-American survivors were significantly more disabled than White survivors at all points (p < 0.0001), but trajectories of disability among decedents did not differ by race in the last 18 months of life (p = 0.35). CONCLUSIONS: Trajectories of self-reported disability differ between survivors and decedents. Older adults who died were more disabled 3 years before death and also had a greater risk of increasing disability over each subsequent 6-month assessment. The gap in disability between African Americans and Whites was erased in the final 1 to 1.5 years before death. PMID- 29204977 TI - Managing Concerning Behaviors in Patients Prescribed Opioids for Chronic Pain: A Delphi Study. AB - BACKGROUND: Current guideline-recommended monitoring of patients prescribed long term opioid therapy (LTOT) for chronic pain will likely result in increased identification of behaviors of concern for misuse and addiction, but there is a dearth of empiric evidence about how these behaviors should be managed. OBJECTIVE: To establish expert consensus about treatment approaches for common and challenging concerning behaviors that arise among patients on LTOT. DESIGN: We used a Delphi approach, which allows for generation of consensus. PARTICIPANTS: Participants were clinical experts in chronic pain and opioid prescribing recruited from professional societies and other expert groups. MAIN MEASURES: The Delphi process was conducted online, and consisted of an initial brainstorming round to identify common and challenging behaviors, a second round to identify management strategies for each behavior, and two rounds to establish consensus and explore disagreement/uncertainty. KEY RESULTS: Forty-two participants completed round 1, 22 completed round 2, 30 completed round 3, and 28 completed round 4. Half of round 1 participants were female (52%), and the majority were white (83%). Most (71%) were physicians, and most participants practiced in academic primary (40%) or specialty care (19%).The most frequently cited common and challenging behaviors were missing appointments, taking opioids for symptoms other than pain, using more opioid medication than prescribed, asking for an increase in opioid dose, aggressive behavior, and alcohol and other substance use. Across behaviors, participants agreed that patient education and information gathering were important approaches. Participants also agreed that stopping opioids is not important initially, but if initial approaches do not work, tapering opioids and stopping opioids immediately may become important approaches. CONCLUSIONS: This study presents clinical expert consensus on how to manage concerning behaviors among patients on LTOT. Future research is needed to investigate how implementing these management strategies would impact patient outcomes, practice and policy. PMID- 29204979 TI - Treatment of Spontaneous Subarachnoid Hemorrhage and Self-Reported Neuropsychological Performance at 6 Months - Results of a Prospective Clinical Pilot Study on Good-Grade Patients. AB - AIM: Limited focus has been placed on neuropsychological patient profiles after spontaneous subarachnoid hemorrhage (sSAH). We conducted a prospective controlled study in good-grade sSAH patients to evaluate the time course of treatment specific differences in cognitive processing after sSAH. MATERIAL AND METHODS: Twenty-six consecutive sSAH patients were enrolled (drop out n=5). Nine patients received endovascular aneurysm occlusion (EV), 6 patients were treated microsurgically (MS), and 6 patients with perimesencephalic SAH (pSAH) underwent standardized intensive medical care. No patient experienced serious vasospasm related ischemic or hemorrhagic complications. All patients were subjected to neuropsychological self-report assessment (36-Item Short Form Health Survey and ICD-10-Symptom-Rating questionnaire) subacutely (day 11 - 35) after the onset of bleeding (t1) and at the 6-month follow-up (FU; t < sub > 2 < /sub > ). RESULTS: From t1 to t < sub > 2 < /sub > , MS and EV patients significantly improved in physical functioning (Pfi; p=.001 each) and the physical component summary (p=.010 vs. p=.015). Bodily pain (Pain; MS p=.034) and general health perceptions (EV p=.014) significantly improved, and nutrition disorder (EV p=.008) worsened. At FU, MS patients reported significantly better Pfi (vs. EV p=.046), less Pain (vs. EV p=.040), and more depression (vs. pSAH p=.035). Group-rate analyses of test differences showed a significant alleviation in nutrition disorder in MS (vs. EV p=.009). CONCLUSION: All sSAH groups reported a significant deterioration in health. Though both MS and EV patients, improved in several physical items over time, our data suggest a better short-term Pfi, less Pain and improved nutrition disorder in surgically treated patients. pSAH patients performed significantly better in various aspects of physical and psychological functioning than patients with aneurysmal SAH. PMID- 29204978 TI - Role of Glypican-3 in the growth, migration and invasion of primary hepatocytes isolated from patients with hepatocellular carcinoma. AB - BACKGROUND: Recently, Glypican-3 (GPC3) has been identified as a potential hepatocellular carcinoma (HCC) diagnostic and/or therapeutic target. GPC3 has been found to be up-regulated in HCC and to be absent in normal and cirrhotic liver. As yet, however, the molecular characteristics of GPC3 and its role in HCC cell physiology and development are still undefined. METHODS: Human hepatocyte cultures were established from 10 HCC patients. Additional liver samples were obtained from 5 patients without cirrhosis and/or HCC. Soft agar colony formation, (co-)immunofluorescence and Western blot assays were used to characterize the hapatocyte cultures. The expression of GPC3 in the hepatocytes was silenced using siRNA, after which, apoptosis, scratch wound migration and transwell invasion assays were performed. RESULTS: We found that in HCC precursor hepatocytes GPC3 is increasingly expressed in different forms and at different locations, i.e., a non-cleaved form (70 kDa) was found to be localized in the cytoplasm while a N-terminal cleaved form (N-GPC3: 40 kDa) was fond to be localized in the cytoplasm and at the extracellular side of hepatocyte membranes. In addition, we found that the non-cleaved form of GPC3 co-localizes with Furin Convertase in the Golgi apparatus. We also found that, similar to GPC3, Furin Convertase is expressed in HCC precursor cells, suggesting a role in GPC3 processing. Subsequent siRNA-mediated GPC3 silencing resulted in a temporary inhibition of cell proliferation, migration and ivasion, while inducing apoptosis in transformed hepatocytes. CONCLUSION: Our data reveal new aspects of the role of GPC3 in early hepatocyte transformation. In addition we conclude that GPC3 may serve as a new HCC immune-therapeutic target. PMID- 29204980 TI - Usefulness and Radiological Evaluation of Accuracy of the Innovative "Smart" Hand Technique for Pedicle Screw Placement: An Anatomical Study. AB - AIM: To use a smartphone application (app) during pedicle screw placement navigation and examine the accuracy of this application on an anatomical dry vertebrae model. MATERIAL AND METHODS: Seventy-six dry vertebrae were used for this study, and pedicle entry points and projections of pedicle screw trajectory lines in the lateral and superior aspects of the vertebral body were identified and drawn for each vertebra bilaterally. In each position, all angulations were measured directly before the procedure manually. One hundred and fifty two pedicle screws were inserted as a simulation of screw placement with the guidance of the angle-meter smart app. Accuracy of the method was tested according to the occurrence of bone penetration while the angular deviation of the inserted screws was evaluated in computed tomography images. RESULTS: The mean deviation for 76 pedicle screws on the right side was 2.30 degrees +/-1.78 degrees in the horizontal plane and 2.17 degrees +/-1.57 degrees in the sagittal plane; and on the left side, 3.01 degrees +/-1.83 degrees in the horizontal plane and 2.38 degrees +/-1.68 degrees in the sagittal plane. No bone penetration occurred during 152 pedicle screw placements. According to the t-test results, there were significant differences between the two groups in the craniocaudal direction of the right side pedicle screws and in the craniocaudal direction of left sided pedicle screws. CONCLUSION: The free smartphone app presented here as an angle meter is a safe digital device for spinal instrumentation procedures. As a prototype of future pedicle screw fixation systems, it should be improved in terms of its feasibility and compatibility with screw probes. This may lead to a useful mobile digital angle-meter for spinal procedures. PMID- 29204981 TI - Neuroprotective Effects of Oleocanthal, a Compound in Virgin Olive Oil, in a Rat Model of Traumatic Brain Injury. AB - AIM: To evaluate the neuroprotective effects of deocanthal OC in a rat model of traumatic brain injury (TBI). MATERIAL AND METHODS: Twenty-six adult male, Wistar albino rats were used. The rats were divided into 4 groups. Group 1 was the sham group (n=5). Group 2 was the trauma group (n=5) where rats were treated with 10 mg/kg saline intraperitoneally (IP) twice a day. Groups 3 and 4, rats were treated with 10 (group 3, n=8) or 30 (group 4, n=8) mg/kg OC IP twice a day. For each group, brain samples were collected 72 hours after injury. Brain samples and blood were evaluated with histopathological and biochemical methods. RESULTS: Histopathological evaluation revealed a significant difference between Group 2 and Group 4. Biochemical findings demonstrated that the oxidative stress index was highest in Group 2 and lowest in Group 4. CONCLUSION: OC has a protective effect on neural cells after TBI. This effect is achieved by reducing oxidative stress and apoptosis. PMID- 29204982 TI - Assessment of the MRI and Behavioral Test Results in Focal Cerebral Ischemia Reperfusion Model in Rat after Separate and Combined Use of Mouse-Derived Neural Progenitor Cells, Human-Derived Neural Progenitor Cells and Atorvastatin. AB - AIM: We aimed to assess the efficacy of Neural progenitor cell (NPC) transplantation in ischemic stroke, and to investigate whether atorvastatin enhances therapeutic potency of NPC after stroke. MATERIAL AND METHODS: Focal cerebral ischemia-reperfusion model was performed by transient occlusion of middle cerebral artery. Rats were assigned randomly to receive intracerebral transplantation of mouse NPC alone (mNPC), human NPC alone (hNPC), mouse NPC plus oral atorvastatin (mNPC+A), human NPC plus oral atorvastatin (hNPC+A), oral atorvastatin alone, or intracerebral Dulbecco's Modified Eagle's medium injection (control group). Adhesive removal, rotarod, cylinder tests, and magnetic resonance imaging (MRI) were used for assessment of rats during 4 weeks. After sacrification on 28th day, rats were investigated by immunofluorescent staining. RESULTS: The hNPC and mNPC groups showed significantly improved functional outcome and reduced infarct area rate compared with control group. hNPC group had significantly better performance and lower infarct area rate than mNPC group. Addition of atorvastatin to stem cell therapy significantly improved functional outcome, despite it didn't affect the infarct area rate on MRI. Anti-inflammatory response in the infarcted area was higher in mNPC group. NPC transplantation significantly reduced the amount of microglia while they caused significant increase in the amount of astrocytes. CD8a+ T lymphocyte and granzyme B activities were not detected in none of the subjects. CONCLUSION: Both hNPC and mNPC treatments significantly improved functional outcome, and reduced infarct area rate after stroke. Atorvastatin enhanced the therapeutic potency of NPCs, including neurological improvement. PMID- 29204983 TI - Phyllanthus emblica Linn. fruit extract potentiates the anticancer efficacy of mitomycin C and cisplatin and reduces their genotoxicity to normal cells in vitro. AB - OBJECTIVE: Fruit of Phyllanthus emblica Linn. (PE) is widely consumed as a functional food and used as a folk medicine due to its remarkable nutritional and pharmacological effects. Mitomycin C (MMC) and cisplatin (cDDP) are the most widely used forms of chemotherapeutic drug, but their clinical use is limited by their genotoxicity to normal cells. We aimed to determine whether PE has potential to reduce the genotoxicity, while improving the anticancer effect, of MMC and cDDP. METHODS: Cell proliferation was evaluated using the trypan blue exclusion assay and colony-forming assay. Genomic instability (GIN) was measured using the cytokinesis-block micronucleus assay. RESULTS: Co-treatment (72 h) with PE at 20-320 MUg/ml significantly enhanced the efficacy of MMC (0.05 MUg/ml) and cDDP (1 MUg/ml) against Colo205 colorectal cancer cells (P<0.05), and at 80-320 MUg/ml significantly decreased MMC- and cDDP-induced GIN and multinucleation in normal colonic NCM460 cells (P<0.05). PE significantly decreased the mitotic index (P<0.01), blocked mitotic progression (P<0.05), and promoted apoptosis (P<0.01) in MMC- and cDDP-treated NCM460 cells, suggesting that PE-mediated inhibition of mitosis and induction of apoptosis may limit the division and survival of highly damaged cells. Also, PE was found to inhibit the clonal expansion of MMC- and cDDP-treated NCM460 cells (P<0.05) and decrease the heterogeneity of the surviving clones. CONCLUSIONS: PE potentiates the anticancer efficacy of MMC and cDDP, while preventing their genotoxicity and inhibiting clonal expansions of unstable genomes in normal cells. These data suggest that PE has the potential to reduce the risk of secondary cancers induced by chemotherapeutics. PMID- 29204984 TI - Kinesin KIF4A is associated with chemotherapeutic drug resistance by regulating intracellular trafficking of lung resistance-related protein. AB - Multidrug resistance (MDR) is the major impediment to cancer chemotherapy. The expression of lung resistance-related protein (LRP), a non-ATP-binding cassette (ABC) transporter, is high in tumor cells, resulting in their resistance to a variety of cytotoxic drugs. However, the function of LRP in tumor drug resistance is not yet explicit. Our previous studies had shown that Kinesin KIF4A was overexpressed in cisplatin (DDP)-resistant human lung adenocarcinoma cells (A549/DDP cells) compared with A549 cells. The expression of KIF4A in A549 or A549/DDP cells significantly affects cisplatin resistance but the detailed mechanisms remain unclear. Here, we performed co-immunoprecipitation experiments to show that the tail domain of KIF4A interacted with the N-terminal of LRP. Immunofluorescence images showed that both the ability of binding to LRP and the motility of KIF4A were essential for the dispersed cytoplasm distribution of LRP. Altogether, our results shed light on a potential mechanism in that motor protein KIF4A promotes drug resistance of lung adenocarcinoma cells through transporting LRP-based vaults along microtubules towards the cell membrane. Thus KIF4A might be a cisplatin resistance-associated protein and serves as a potential target for chemotherapeutic drug resistance in lung cancer. PMID- 29204985 TI - Comparison of the characteristics of macrophages derived from murine spleen, peritoneal cavity, and bone marrow. AB - Macrophages have a diverse set of functions based upon their activation states. The activation states, including resting (M0) and polarizing (M1 and M2) states, of macrophages derived from the mouse bone marrow, spleen, and peritoneal cavity (BMs, SPMs, and PCMs, respectively) were compared. We evaluated the macrophage yield per mouse and compared the surface markers major histocompatibility complex (MHC) II and CD86 by flow cytometry. The relative mRNA levels of tumor necrosis factor-alpha (TNF-alpha), interleukin (IL)-1beta, mannose receptor (MR), and Ym1 in the M0, M1, and M2 states were also compared using real-time polymerase chain reaction (PCR) analysis. Bone marrow yielded the most macrophages with the best homogeneity, but they were polarized toward the M2 phenotype. All three types of macrophages had the capacity to polarize into the M1 and M2 states, but SPMs had a stronger capacity to polarize into M1. The three types of macrophages showed no differences in their capacity to polarize into the M2 state. Therefore, the three types of macrophages have distinct characteristics regardless of their resting or polarizing states. Although bone marrow can get large amounts of homogeneous macrophages, the macrophages cannot replace tissue-derived macrophages. PMID- 29204986 TI - Polymorphisms of the IGF1 gene and their association with growth traits, serum concentration and expression rate of IGF1 and IGF1R in buffalo. AB - The insulin-like growth factor 1 (IGF1) gene is a member of the group of somatotropin axis genes that play a significant role in cell proliferation and growth of muscles. Here, we searched for polymorphisms in buffalo IGF1 and found two novel single nucleotide polymorphisms (SNPs), G64A and G280A, in the noncoding sequences of exon 1 and exon 4, respectively. Statistical analysis of different genotypes showed that the individuals with GG genotypes had significantly (P<0.05) higher body weight (BW) and average daily gain (ADG) than those with other genotypes at ages of 3-6 months in G64A SNP and 6-9 months in G280A SNP. The combined genotypes of these two SNPs produced three haplotypes, GG/GG, AG/AG, and AA/AA, which were significantly associated (P<0.0001) with BW and ADG at an age from 3 to 12 months. Buffaloes with the homozygous GG/GG haplotype showed higher growth performance than other buffaloes. The two SNPs were correlated with mRNA levels of IGF1 and IGF1 receptor (IGF1R) in semitendinosus muscle as well as with the serum concentration level of IGF1. Also, buffaloes with GG/GG haplotype showed higher mRNA and serum concentration levels. The data revealed that these two SNPs could be valuable genetic markers for selection of Egyptian buffaloes for better performance in the population. PMID- 29204987 TI - Monoclonal antibody-based serological assays for detection of Potato virus S in potato plants. AB - Potato virus S (PVS) often causes significant losses in potato production in potato-growing countries. In this study, the ordinary strain of PVS (PVSO) was purified from PVS-infected potato plants and used as the immunogen to produce hybridomas secreting monoclonal antibodies (MAbs). Five highly specific and sensitive murine MAbs (1A3, 16C10, 18A9, 20B12, and 22H4) against PVS were prepared using conventional hybridoma technology. Using these MAbs, tissue print enzyme-linked immunosorbent assay (ELISA), dot-ELISA, and double-antibody sandwich (DAS)-ELISA were developed for sensitive and specific detection of PVS infection in potato plants. The results of sensitivity assays revealed that PVS could be reliably detected in PVS-infected leaf crude extracts diluted at 1:10 240 and 1:163 840 (w/v, g/ml) in phosphate buffer saline (PBS) by dot-ELISA and DAS-ELISA, respectively. Twenty-two samples collected from potato fields in Yunnan Province, China were tested for PVS infection using the serological assays we had developed, and 14 of them were found to be positive. This indicates that PVS is now prevalent in potato fields in Yunnan Province. PMID- 29204988 TI - Effects of dietary fresh fermented soybean meal on growth performance, ammonia and particulate matter emissions, and nitrogen excretion in nursery piglets. AB - This study was conducted to investigate the effects of fresh fermented soybean meal (FSM) on the growth performance of nursery piglets, nitrogen excretion in feces, and the concentrations of ammonia (NH3) and particulate matter (PM) in the piggery. A total of 472 nursery piglets (Landrace*Yorkshire, (16.3+/-0.36) kg body weight) were randomly allocated into two treatments with 236 pigs in each treatment. The pigs were fed the basal diet without fresh FSM (control) or diet containing 10% (100 g/kg) fresh FSM (FSM group), and the crude protein content of the two groups was consistent. The feeding trial lasted for 28 d. The results showed that the pigs fed fresh FSM had increased (P<0.05) average daily gain (ADG) compared with the control. There was no significant difference (P>0.05) in feed to gain ratio (F:G) between the two groups. During the whole experiment, the concentration of NH3 in the piggery decreased (P<0.05) by 19.0%, and the concentrations of PM (PM10 and PM2.5) in the piggery decreased (P<0.05) by 19.9% and 11.6%, respectively, in the FSM group, compared with the control. The ammonia nitrogen and nitrite content in feces increased (P<0.05) by 32.9% and 28.4%, respectively, in the FSM group. The fecal pH declined (P<0.05) significantly in the FSM group compared with the control. At the end of experiment, total protein (TP) concentration was increased (P<0.05) significantly and blood urea nitrogen (BUN) concentration was decreased (P<0.05) for pigs fed the diet with fresh FSM. The results indicated that dietary fresh FSM not only improved the growth performance of nursery piglets, but also reduced the NH3 concentration in the piggery due to nitrogen conversion, and decreased the concentrations of PM10 and PM2.5 in the piggery. PMID- 29204989 TI - Effects of glucose and gibberellic acid on glucosinolate content and antioxidant properties of Chinese kale sprouts. AB - Glucosinolates, anthocyanins, total phenols, and vitamin C, as well as antioxidant capacity, were investigated in Chinese kale sprouts treated with both glucose and gibberellic acid (GA3). The combination of 3% (0.03 g/ml) glucose and 5 MUmol/L GA3 treatment was effective in increasing glucosinolate content while glucose or GA3 treatment alone did not influence significantly almost all individual glucosinolates or total glucosinolates. The total phenolic content and antioxidant activity of Chinese kale sprouts were enhanced by combined treatment with glucose and GA3, which could be useful in improving the main health promoting compounds and antioxidant activity in Chinese kale sprouts. PMID- 29204991 TI - Efficacy of amiodarone and lidocaine for preventing ventricular fibrillation after aortic cross-clamp release in open heart surgery: a meta-analysis of randomized controlled trials. AB - OBJECTIVE: The relative preventative efficacy of amiodarone and lidocaine for ventricular fibrillation (VF) after release of an aortic cross-clamp (ACC) during open heart surgery has not been determined. This meta-analysis was designed to systematically evaluate the influence of amiodarone, lidocaine, or placebo on the incidence of VF after ACC. METHODS: Prospective randomized controlled trials (RCTs) that compared the VF-preventative effects of amiodarone with lidocaine, or amiodarone or lidocaine with placebo were included. PubMed, EMBASE, and the Cochrane Library were searched for relevant RCTs. Fixed or randomized effect models were applied according to the heterogeneity of the data from the selected studies. RESULTS: We included eight RCTs in the analysis. Pooled results suggested that the preventative effects of amiodarone and lidocaine were comparable (relative risk (RR)=1.12, 95% confidence interval (CI): 0.70 to 1.80, P=0.63), but both were superior to the placebo (amiodarone, RR=0.71, 95% CI: 0.51 to 1.00, P=0.05; lidocaine, RR=0.63, 95% CI: 0.46 to 0.88, P=0.006). The percentage of patients requiring electric defibrillation counter shocks (DCSs) did not differ significantly among patients administered amiodarone (RR=0.21, 95% CI: 0.04 to 1.19, P=0.08), lidocaine (RR=2.44, 95% CI: 0.13 to 44.02, P=0.55), or the placebo (RR=0.56, 95% CI: 0.25 to 1.25, P=0.16). CONCLUSIONS: Amiodarone and lidocaine are comparably effective in preventing VF after ACC, but the percentage of patients who subsequently require DCSs does not differ among those administered amiodarone, lidocaine, or placebo. PMID- 29204992 TI - Latest Developments in the Management of AMD. PMID- 29204993 TI - Update on the Use of Anti-VEGF Intravitreal Therapies for Retinal Vein Occlusions. AB - The use of anti-vascular endothelial growth factor (VEGF) therapy in ophthalmology has profoundly changed our management and treatment of conditions such as cystoid macular edema, diabetic macular edema, choroidal neovascularization, and other proliferative retinopathies. Although initially used for the treatment of choroidal neovascularization in neovascular age-related macular degeneration, their application has spread rapidly for other indications as their outcomes have often outperformed previously existing treatments. Retinal vein occlusion (RVO) continues to be one of the leading causes of vision loss secondary to macular edema, in addition to macular ischemia and neovascularization in more severe cases. Before the availability of anti-VEGF therapy, the use of macular grid laser and panretinal photocoagulation was the mainstay of treatment of macular edema and neovascularization, respectively, in patients with RVOs. Two landmarks studies established the guidelines of these treatments for nearly a quarter century. Since the availability of anti-VEGF agents, there has been a paradigm shift in the treatment of RVO. Most importantly, there has also been a significant improvement in visual outcomes in these patients. The goal of this article is to provide a review of the pertinent clinical studies that have investigated the use of anti-VEGF in patients with retinal vein occlusions. PMID- 29204990 TI - Apoptosis induction of colorectal cancer cells HTL-9 in vitro by the transformed products of soybean isoflavones by Ganoderma lucidum. AB - Soybean isoflavones have been one of the potential preventive candidates for antitumor research in recent years. In this paper, we first studied the transformation of soybean isoflavones with the homogenized slurry of Ganoderma lucidum. The resultant transformed products (TSI) contained (703.21+/-4.35) mg/g of genistein, with transformed rates of 96.63% and 87.82% of daidzein and genistein, respectively, and TSI also could enrich the bioactive metabolites of G. lucidum. The antitumor effects of TSI on human colorectal cancer cell line HTL 9, human breast cancer cell line MCF-7, and human immortalized gastric epithelial cell line GES-1 were also studied. The 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl 2-H-tetrazolium bromide (MTT) assay showed that TSI could dramatically reduce the viability rates of HTL-9 cells and MCF-7 cells without detectable cytotoxicity on GES-1 normal cells when the TSI concentration was lower than 100 MUg/ml. With 100 MUg/ml of TSI, HTL-9 cells were arrested in the G1 phase, and late-apoptosis was primarily induced, accompanied with partial early-apoptosis. TSI could induce primarily early-apoptosis by arresting cells in the G1 phase of MCF-7 cells. For HTL-9 cells, Western-blot and reverse-transcriptase polymerase chain reaction (RT PCR) analysis showed that TSI (100 MUg/ml) can up-regulate the expression of Bax, Caspase-3, Caspase-8, and cytochrome c (Cyto-c), indicating that TSI could induce cell apoptosis mainly through the mitochondrial pathway. In addition, the expression of p53 was up-regulated, while the expression of Survivin and nuclear factor kappaB (NF-kappaB) was down-regulated. All these results showed that TSI could induce apoptosis of HTL-9 cells by the regulation of multiple apoptosis related genes. PMID- 29204994 TI - Ophthalmic Application of Anti-VEGF Therapy. PMID- 29204995 TI - Prevention of Age-Related Macular Degeneration. AB - Age-related macular degeneration (AMD) compromises quality of life. However, the available therapeutic options are limited. This has led to the identification of modifiable risk factors to prevent the development or alter the natural course and prognosis of AMD. The identification and modification of risk factors has the potential for greater public health impact on reducing morbidity from AMD. Likewise, identifying the imaging clues and genetic clues could serve as a guide to recognizing the propensity for progression to severe and end stages of the disease. Several attempts, both successful and unsuccessful, have been made for interventions that could delay the progression of AMD. Of these, pharmacological interventions have shown promising results. The Age-Related Eye Disease Study 1 and 2 have shown the beneficial role of antioxidants in a selected group of patients. PMID- 29204996 TI - The VEGF Treatment of AMD Switch Study (The vTAS Study). AB - PURPOSE: To evaluate the effect of aflibercept on anatomic and visual outcomes in patients with choroidal neovascularization (CNV) previously treated with intravitreal ranibizumab with persistent fluid on optical coherence tomography (OCT). DESIGN: Prospective, open-label study. METHODS: Eighteen patients (19 eyes) with CNV being treated with monthly ranibizumab, with persistent fluid on OCT, were switched to intravitreal aflibercept injections at intervals of up to 8 weeks. The primary outcome was the proportion of patients maintaining vision [<5 letter loss in visual acuity (VA)] at week 48. Secondary outcomes included the change in VA and central macular thickness (CMT) and the frequency of treatment necessary along with the safety of intravitreal aflibercept. RESULTS: Forty-eight weeks after switching to aflibercept, 16/19 eyes had maintained VA. There was a median increase in vision of 5 letters [interquartile range (IQR): 0, 15; P = 0.06)] and median CMT was reduced from 313 um (IQR: 214, 334) to 258 um (IQR: 200, 299; P = 0.02). After stratification by fluid location the reduction in CMT was statistically significant for eyes with intraretinal fluid (IRF) at baseline [median change, -25 um (IQR: -14, -64); P = 0.01]. Macular volume within 6 mm of the fovea (CMTVol) was significantly reduced in eyes with subretinal fluid (SRF) [-0.20 mm3 (IQR: -1.45, -0.05); P = 0.03]. CONCLUSIONS: In this small cohort of eyes, switching to aflibercept seemed beneficial. The majority maintained or improved vision and eyes with IRF or SRF had significant reductions in macular edema. However, visual improvement was not always indicative of anatomical improvement. PMID- 29204997 TI - [Expression of AQP-1 and AQP-4 in the Lungs of Drown Rats]. AB - OBJECTIVES: To observe the changes of expression of aquaporin-1(AQP-1) and AQP-4 in drowned and postmortem immersed rats' lungs. METHODS: Thirty healthy male Wistar rats were randomly divided into drowning group, postmortem immersion group and cervical dislocation group. The morphological changes of rats' lungs were observed using HE staining. The mRNA and protein expressions of AQP-1 and AQP-4 in rats' lungs were detected by real-time PCR, immunohistochemistry and Western blotting, respectively. RESULTS: The results of immunohistochemistry and the Western blotting showed that the protein expression of AQP-1 of the drowning group was higher than the postmortem immersion group and the cervical dislocation group (P<0.05). The result of immunohistochemistry showed that the protein expression of AQP-4 of the drowning group was higher than the postmortem immersion group and the cervical dislocation group (P<0.05) while no difference were detected among the three of them by Western blotting (P>0.05). The mRNA expressions of AQP-1 and AQP-4 in rats' lungs of the drowning group was significantly higher than the postmortem immersion group (P<0.05). CONCLUSIONS: The increase of mRNA and protein expressions of AQP-1 and AQP-4 in lungs of rats with cute lung injury of the drowning group would be useful for differentiating vital drowning from postmortem immersion. PMID- 29204998 TI - [Determination of Bloodstain Age by UV Visible Integrating Sphere Reflection Spectrum]. AB - OBJECTIVES: To establish a method for rapid identification of bloodstain age. METHODS: Under laboratory conditions (20 C, 25 C and 30 C), an integrating sphere ISR-240A was used as a reflection accessory on an UV-2450 UV-vis spectrophotometer, and a standard white board of BaSO4 was used as reference, the reflection spectrums of bloodstain from human ears' venous blood were measured at regular intervals. The reflection radios R541 and R577 at a specific wavelength were collected and the value of R541/R577 was calculated. The linear fitting and regression analysis were done by SPSS 17.0. RESULTS: The results of regression analysis showed that R2 of the ratios of bloodstain age to UV visible reflectivity in specific wavelengths were larger than 0.8 within 8 hours and under certain circumstances. The regression equation was established. The bloodstain age had significant correlation with the value of R541/R577. CONCLUSIONS: The method of inspection is simple, rapid and nondestructive with a good reliability, and can be used to identify the bloodstain age within 8 hours elapsed-time standards under laboratory conditions. PMID- 29204999 TI - [Coronary Angiography in Isolated Hearts and Its Forensic Application]. AB - OBJECTIVES: To check the isolated heart by coronary angiography to discover the location, nature and degree of the coronary artery lesions more accurately and increase the comprehensive evaluation ability of cardiovascular disease. METHODS: Ten fresh isolated hearts with different causes of death were extracted and injected with barium sulphate as contrast substance by ring injector, then developed under Xper FD20 angiography equipment. The obtained pictures and image data were handled by three-dimensional angiography images with the software attached to the angiography equipment. The coronary artery tissues were HE stained and observed by microscope. The HE staining results were compared with the angiographic results. RESULTS: The imaging data obtained from the 10 cases for examination showed 8 cases without coronary artery stenosis and 2 cases with III, IV coronary artery stenosis, which were consistent with HE staining results of coronary artery organization and the both results were confirmed. CONCLUSIONS: Isolated coronary angiography has an unique advantage for accurate grading of classification of coronary artery stenosis, examination of vascular malformation and tiny lesions, which can provide reference for the localization of small lesions and basis during the autopsy for identification conclusion. PMID- 29205000 TI - [Distribution of Diatoms in Main Sections of Urban District Rivers with Drowning prone in Chengdu]. AB - OBJECTIVES: To explore the species distribution and constituent ratio of diatoms in main sections of urban district rivers where drowning occurs frequently in Chengdu. METHODS: Total 39 water samples from the sampling points of 5 rivers (Jinjiang, Jinniu, Qingyang, Wuhou and Chenghua districts) in October 2014 were collected. The diatoms smear were made and the species distribution and constituent ratio of diatoms from the water samples were analyzed using biological microscope and acquisition system of digital microscope. RESULTS: Total 21 species of diatoms were detected in main sections of urban district rivers in Chengdu. Significant differences in the dominant diatom species and proportions of the different rivers were observed, and there were different species existed in all sampling points of the upstream, midstream and downstream of the rivers. CONCLUSIONS: The database of species map, species distribution and constituent ratio of diatoms in main sections of urban district rivers in Chengdu are preliminarily established, which has special meaning for the analysis and evaluation of falling location inference using diatoms test in case investigation. PMID- 29205001 TI - [Comparision of Different Methods of Area Measurement in Irregular Scar]. AB - OBJECTIVES: To determine a measurement standard of irregular scar area by comparing the advantages and disadvantages of different measurement methods in measuring same irregular scar area. METHODS: Irregular scar area was scanned by digital scanning and measured by coordinate reading method, AutoCAD pixel method, Photoshop lasso pixel method, Photoshop magic bar filled pixel method and Foxit PDF reading software, and some aspects of these methods such as measurement time, repeatability, whether could be recorded and whether could be traced were compared and analyzed. RESULTS: There was no significant difference in the scar areas by the measurement methods above. However, there was statistical difference in the measurement time and repeatability by one or multi performers and only Foxit PDF reading software could be traced back. CONCLUSIONS: The methods above can be used for measuring scar area, but each one has its advantages and disadvantages. It is necessary to develop new measurement software for forensic identification. PMID- 29205002 TI - [Application of Multiple Displacement Amplification in Samples with Inhibitors]. AB - OBJECTIVES: To explore the ability of inhibition resistibility of multiple displacement amplification (MDA) in samples with inhibitors. To explain the application and value of MDA in forensic medicine by comparing with using magnetic beads methods (MBM) to purify sample. METHODS: Different concentrations of hemoglobin and humid acid (HA) mixed with DNA samples and then divided the samples into MDA group, MBM group and control group. D3S1358 locus was amplified and detected by polyacrylamide gel electrophoresis detection system and AmpFlSTR(r) IdentifilerTM Plus Kit-capillary electrophoresis detection system. RESULTS: When hemoglobin concentrations exceed 1 ng/MUL or HA concentrations exceed 0.1 ng/MUL, amplification products could not be obtained by single-locus system in control group. When hemoglobin concentration exceeds 100 ng/MUL or HA concentrations exceed 1 ng/MUL, the samples could not be amplified by MBM. Inhibitors in different concentrations were amplified successfully in MDA group without any influence from inhibitors. CONCLUSIONS: MDA has the capability to remove the inhibition of hemoglobin and HA, which is better than MBM and has a certain value in forensic practices. PMID- 29205003 TI - [Forensic Analysis of 25 Cases of Unnatural Death in Custody]. AB - OBJECTIVES: To screen and collect the cases of unnatural death in custody and analyze the influences and forensic characteristics. METHODS: Total 25 cases of unnatural death in detainees in custody form 2000 to 2015 were collected. Some forensic characteristics such as gender, age, yearly incidence, causes of death, manner of death were analyzed. The public security custodies were also compared with the prisons. RESULTS: All dead involved were male, mostly were young and middle-aged adults. It showed that the number of cases tended to decrease year by year. The incidence of the injury cases were higher in public security custodies (64.7%) than that in the prisons (12.5%). However, there was a higher suicide rate in prisons (62.5%) than that in public security custodies (23.5%). The mainly cause of death were injury and asphyxia, there were also some cases died from intoxication and electricity. CONCLUSIONS: The cases of unnatural death in custody expose some problems such as the imperfectness of law enforcement standardization, supervision loopholes and poor medical standards. A comprehensive and detailed autopsy has important implications for the identification of cause of death in custody. PMID- 29205004 TI - [Analysis of Relationship between Injury and Disease in 17 Cases of Cervical Trauma with Cervical Vertebra Degeneration]. AB - OBJECTIVES: To study the characteristics of the relationship between injury and disease in forensic identification cases of cervical trauma with cervical vertebra degeneration, and to explore the problems about how to identify the participation rates of injury and disease using the clinical information, forensic examination and imaging examination. METHODS: Seventeen forensic identification cases of cervical trauma with cervical vertebra degeneration were collected. The age distributions, injury formations, injury severities and imaging findings of these cases were analyzed and the relationship between injury and disease was evaluated comprehensively. RESULTS: Middle-aged and elderly were common in 17 cases and every case was involved with intervertebral disc herniation. The main reasons of injuries were hyperextension. The degree of injury severity and vertebra degeneration were graded according to the imaging findings. The participation rates of injury and disease were also calculated comprehensively. CONCLUSIONS: The forensic identification cases of cervical trauma with cervical vertebra degeneration should be evaluated with clinical information, forensic examination and imaging finding. PMID- 29205005 TI - [Forensic Analysis of 95 Nasal Bone Fracture Cases Caused by Blunt Instrument]. AB - OBJECTIVES: To explore the characteristics of nasal bone fracture caused by blunt instrument, including the fracture types, the fracture repair, and the difference of manifestations between X-ray and CT. To provide reference for the identification. METHODS: The information of basic situation, fracture site, injury manner, diagnosis method, expert opinion of 95 adult nasal fracture cases caused by blunt object, which occurred in Gutian county of Fujian province from January 1999 to December 2013, were analyzed by descriptive statistics. The identification conclusions of different injuries were compared according to new and old standards as well. RESULTS: There were total 95 adults including 87 male and 8 female. The fracture site and quantity have significant correlation with the nasal bone anatomical relations and the direction and size of the force. Compound fracture was most common. The fracture that could not be determined by X ray could be clearly diagnosed by CT examination. According to new and old standards, different fracture types have different identification conclusions. CONCLUSIONS: There are gender differences in nasal bone fracture cases. Larger external force is easy to cause compound fracture. CT examination is significantly better than X-ray examination. PMID- 29205006 TI - Genetic Polymorphisms of 21 STR Loci in Hunan Province-based Han Population. AB - OBJECTIVES: To investigate the genetic polymorphisms of 21 short tandem repeat (STR) loci (D3S1358, D13S317, D7S820, D16S539, Penta E, D2S441, TPOX, TH01, D2S1338, CSF1PO, Penta D, D10S1248, D19S433, vWA, D21S11, D18S51, D6S1043, D8S1179, D5S818, D12S391 and FGA). METHODS: A total of 560 blood samples were collected from unrelated healthy individuals of Han population in Hunan Province. Chelex-100 extraction method was applied to the extraction of genomic DNA, and an AGCU EX22 Kit and 9700 STR amplification was used in amplification reactions. The products were separated and analyzed on 310 Genetic Analyzer. RESULTS: A total of 248 alleles were observed, the allelic frequencies ranging from 0.001 to 0.518. Observation of genotype distributions for each locus showed no deviations from Hardy-Weinberg equilibrium except Penta E (P=0.023). The combined power of discrimination, combined power of exclusion, and combined matching probability of the 21 STR loci were approximately 0.999 999 999 999 999 999 999 999 8, 0.999 999 998, and 1.36*10-25, respectively. CONCLUSIONS: The 21 STR loci show high polymorphisms in the Han population, which can provide valuable data and a theoretical basis for forensic individual identification and paternity testing. PMID- 29205007 TI - [Research Progress of Carrion-breeding Phorid Flies for Post-mortem Interval Estimation in Forensic Medicine]. AB - It is a difficult problem of forensic medicine to accurately estimate the post mortem interval. Entomological approach has been regarded as an effective way to estimate the post-mortem interval. The developmental biology of carrion-breeding flies has an important position at the post-mortem interval estimation. Phorid flies are tiny and occur as the main or even the only insect evidence in relatively enclosed environments. This paper reviews the research progress of carrion-breeding phorid flies for estimating post-mortem interval in forensic medicine which includes their roles, species identification and age determination of immatures. PMID- 29205008 TI - [Research Progress on Individual Identification Using Forensic Imaging Data under the Influence of Evidence Rule]. AB - With the progress and development of the DNA test and imaging technique, and the evolution of evidence rule which bring the discussions about whether the individual identification using imaging data is outdated, and other disputes such as whether radiologic evidence could be suitable for contemporary evidence and be used to solve the posture difference of imaging test. This article summaries the domestic and foreign researches of individual identification using imaging data in the past 20 years and reviews the problems above. PMID- 29205009 TI - [Research Progress on Gene Alterations of Amelogenin Locus in Gender Identification]. AB - There are two kinds of amelogenin gene mutation, including mutation in primer binding region of amelogenin gene and micro deletion of Y chromosome encompassing amelogenin gene, and the latter is more common. The mechanisms of mutation in primer-binding region of amelogenin gene is nucleotide point mutation and the mechanism of micro deletion of Y chromosome encompassing amelogenin gene maybe non-allelic homologous recombination or non-homologous end-joining. Among the population worldwide, there is a notably higher frequency of amelogenin gene mutations in Indian population, Sri Lanka population and Nepalese population which reside within the Indian subcontinent. Though amelogenin gene mutations have little impact on fertility and phenotype, they might cause incorrect result in gender identification. Using composite-amplification kit which including autosomal STR locus, amelogenin gene locus and multiple Y-STR locus, could avoid wrong gender identification caused by amelogenin gene mutation. PMID- 29205010 TI - Boomerang-shaped hemorrhage of the splenium of corpus callosum after mild brain injury. An unusual case of delayed hematoma. PMID- 29205011 TI - Clinical correlates of subventricular zone-contacting glioblastomas: a meta analysis. AB - INTRODUCTION: The clinical and molecular correlates of glioblastomas (GBMs) contacting the subventricular zone (SVZ+ GBM) are unknown. We aimed to reveal any such correlates that may help explain their increased GBM malignancy. EVIDENCE ACQUISITION: A meta-analysis was, therefore, conducted to assess whether tumor's MGMT promoter methylation status, IDH mutation status, volume, and extent of resection as well as patients' age at diagnosis and preoperative Karnofsky performance status score (KPS) correlate with SVZ contact by GBM. In addition, available imaging of GBM patients in The Cancer Imaging Archive was assessed for SVZ contact and their corresponding clinical and molecular variables were obtained through The Cancer Genome Atlas (TCGA) database. EVIDENCE SYNTHESIS: Twenty-one studies were identified through PubMed and EMBASE database search. 257 patients who had imaging were included from the TCIA/TCGA database. MGMT promoter methylation status (summary odds ratio, OD, 1.18 [0.84-1.66], p=0.34), IDH mutation status (OD: 0.63 [0.20-1.99], p=0.43), and patients' age of diagnosis (summary mean difference, MD, 0.10 years [-1.85, 2.05], p=0.92) did not associated with SVZ contact of the GBM. However, SVZ+ GBMs were significantly larger than SVZ- GBMs (MD: 17.3 cm3 [8.70-25.8], p<0.0001). SVZ+ GBM patients had lower KPS scores (MD: -3.33 [-5.31-(-1.35)], p=0.001) and were half as likely to receive a gross total resection (OD: 0.50 [0.40-0.64], p<0.00001). CONCLUSIONS: Additional, large studies that rigorously control for all the known clinical and molecular prognosticators, especially extent of resection and preoperative KPS scores, are needed to evaluate whether SVZ contact by GBM independently influences survival. PMID- 29205012 TI - Evaluation of the different surgical parathyroidectomies on secondary hyperparathyroidism in uremia patients. PMID- 29205013 TI - Study on regulation of adipokines on body fat distribution and its correlation with metabolic syndrome in type 2 diabetes mellitus. AB - BACKGROUND: This paper aims to investigate the regulating role of adipokine expression level in body fat distribution of patients with type 2 diabetes mellitus (T2MD) as well as its correlation with metabolic syndrome (MS). METHODS: 140 patients with T2MD admitted in the Endocrinology Department of the First Affiliated Hospital of Liaoning University of Traditional Chinese Medicine from January 2017 to July 2017 were selected; their body height and weight were measured to calculate body mass index (BMI); patients with a BMI <=23.9 kg/m2 were included into control group (n=49), and those with a BMI >=24 kg/m2 into observation group (n=91). Based on whether the patients were complicated with MS, they were divided into non-metabolic syndrome (N-MS) group (n=79) and MS group (n=61); the levels of serum dipeptidyl peptidase-4 (DPP-4), adiponectin (ADPN) and leptin as well as the contents of body fat and lean tissue of the two groups of patients were measured. RESULTS: The serum DPP-4 level in observation group was remarkably elevated compared with that in control group (p<0.05), but there were no significant differences in the leptin and ADPN levels between the two groups (p>0.05). The serum DPP-4 and leptin levels were positively correlated with the total body fat mass (FAT) of the patients in observation group (r=0.461, p=0.004; r=0.433, p=0.007); DPP-4 level had a positive correlation with trunk fat mass (TRUNK F) (r=0.545, p=0.001) and limb fat mass (LIMB F) (r=0.412, p=0.005); the leptin level was positively correlated with LIMB F (r=0.513, p=0.001); the leptin and ADPN levels were negatively correlated with the content of lean tissue (r=-0.476, p=0.001; r=-0.344, p=0.021). Compared with those in N-MS group, the levels of serum DPP-4 and leptin were increased significantly, while the ADPN level was decreased notably (p<0.05) in MS group. CONCLUSIONS: The adipokines DPP 4 and leptin in the serum can influence the body fat distribution of patients with T2MD; there is an important association of DPP-4, leptin and ADPN levels with MS, which may be used as therapeutic targets for multiple metabolism disorders of T2MD. PMID- 29205014 TI - High intensity focused ultrasound (HIFU) in tumor therapy. AB - HIFU (high intensity focused ultrasound) is a method in which high-frequency ultrasound is focused on a tissue in order to achieve a thermal effect and the subsequent percutaneously ablation, or tissue modulation. HIFU is non-invasive and results in an immediate tissue destruction effect corresponding to surgery, either percutaneously or through body cavities. HIFU can be utilized in the treatment of both benign and malignant tumors. In neurological diseases, focused HIFU can be used in the treatment of disorders of the basal ganglia. PMID- 29205015 TI - Treatment options for acute mesenteric ischemia have improved. AB - Acute mesenteric ischemia resulting from mesenteric arterial thrombosis is a life threatening cardiovascular complication with symptoms ranging from sudden-onset abdominal pain to vague symptoms of several days' duration. Although contrast enhanced computed tomography is an excellent diagnostic tool, detection of the disease before the development of permanent intestinal injury is still difficult. Endovascular treatment is usually successful in restoring intestinal blood flow acutely. Chronic mesenteric ischemia requires urgent detection and therapy in order to prevent irreversible intestinal ischemia. PMID- 29205016 TI - Pediatric ocular disorders and visual handicap in Finland - what do the registers tell? AB - INTRODUCTION: There is no published data from the last few years on the frequency of pediatric ocular disorders and visual handicap in Finland. METHODS: We surveyed the registers of THL (National Institute for Health and Welfare) and statistics of Kela (The Social Insurance Institution of Finland). RESULTS: The majority of visual defects are neurologic or congenital. Retinopathic lesions were reported in 11% of small premature infants. In the years from 1993 to 2011, significant abnormalities of the eye or its accessory organs were on the average registered annually in 94 liveborn infants, and the number of corresponding cancers was less than five. CONCLUSIONS: Ocular disorders in children are rare. They are significant because of the special attention required in everyday life. PMID- 29205018 TI - Update on current care guideline: Cytological changes in the cervix, vagina and vulva. AB - Annually approximately 160 new cervical cancers are diagnosed in Finland. Screening has decreased both incidence and mortality by 80%. Both primary HPV testing and Pap smear can be used in screening. In the future HPV vaccination will decrease the number of cervical cancers. Abnormal findings in Pap smears indicate management. LSIL lesions are followed up especially among young women and HSIL lesions treated. Follow-up after treatment should be reliably arranged, because increased risk of cancer remains ever after treatment. PMID- 29205017 TI - Drip-and-ship stroke thrombolysis in the emergency department of a healthcare center - a possibility for those fallen ill in rural settings. AB - Thrombolysis with tissue plasminogen activator is the mainstay in the treatment of acute stroke. Reducing the delay of thrombolysis treatment improves patient prognosis and reduces the incidence of complications. Variable telestroke regimens have improved the availability of stroke thrombolysis, especially in rural settings, where neurologists are not readily available. In the drip-and ship strategy, stroke thrombolysis is initiated in a peripheral hospital and the patient is then transferred to a tertiary care unit. We report the first case of drip-and-ship stroke thrombolysis in a rural health care center in Northeastern Finland. PMID- 29205019 TI - Healthy habits - healthy brain. AB - A multifactorial memory disease with old-age onset forms a continuum having at one end a "clear" Alzheimer-type form, with a pathophysiology involving a central role played by the accumulation of amyloid protein, and a purely arterial disease at the other end. Most of the cases exhibit a mixed form. As the options of prevention of arterial diseases are well known, this will also provide possibilities for extensive prevention of memory diseases. Central measures include physical activity, a healthy diet and intervention in risk factors - early enough, of course. What is good for the heart is generally good for the brain as well. PMID- 29205020 TI - "Genetic code" of brain ageing. AB - Neurons are more susceptible than other cells to the effects of ageing, since most of them are not capable of dividing, and they consume plenty of energy. In the "genetic code of brain ageing", central role is played by the genes that regulate the risk of Alzheimer's disease and vascular diseases. Genes have been recognized underlying memory disorders and longevity. Genetic studies have revealed metabolic routes, including fat and energy metabolism, that can be influenced by an individual through living habits, and also through structures maintaining social activity. PMID- 29205021 TI - Health mind in a health brain. AB - The last few years have seen an increase in the research of psychic well-being and positive mental health. A positive point of view refers not only to pleasure but also to the ability to act in a constructive manner in challenging situations, and effectively regulate negative feelings and stress. Although a positive state of mind is often a passing experience, it can also be developed. Analogously, effective methods tested in a controlled manner have been established for the development of positive capabilities. It is furthermore possible to promote psychic well-being through exercise, healthy diet and practicing mindfulness. PMID- 29205022 TI - Changing world, changing old age. AB - Every fifth Finn has turned 65. Most of them live an active life that does not differ from that of the working-age population. Long-term illnesses and the resulting disability are accumulating to the late senescence. The need for help from other people and the resulting financial pressures on municipalities are targeted to the elderly having a memory disorder as one of their diseases. Is normal old age thus disappearing, and will the group of those having lost their brain health and requiring care be the only thing that is left from old age? PMID- 29205023 TI - Graft-versus-host disease in stem cell transplantation. AB - Graft-versus-host disease (GvHD) remains a major treatment-related risk in patients undergoing stem cell transplantation. Although advances in HLA-typing and graft types have reduced the risk of GvHD, a breakthrough in the treatment of severe GvHD is still lacking. Allogenic stem cell transplant has potentially beneficial immunological effects on the malignant disease necessitating transplantation, and the importance of these effects must be considered when treating GvHD. PMID- 29205024 TI - Disorders of DNA repair mechanisms and their clinical significance. AB - DNA repair mechanisms maintain genome stability by preventing the multiplication of genetic errors, caused by environmental factors and intracellular processes, during cell division. Unrepaired damage may permanently alter genome and cell functions, and even minor changes in DNA strand may initiate malignant transformation of the cell. Up to 25 000 changes in DNA are occur daily in a single, actively dividing, cell, and these changes are continuously repaired. If DNA repair mechanisms are impaired, errors will accumulate into the genome. As numerous factors of different nature can cause genetic errors, and thus several different DNA repair mechanisms are necessary to ensure genomic stability. PMID- 29205025 TI - Can we prevent post-ERCP pancreatitis? AB - Endoscopic retrograde cholangiopancreatography (ERCP) is the primary method for treating cholestasis and biliary tract gallstones. Although noninvasive imaging has replaced ERCP in diagnostics, ERCP remains the mainstay in collecting diagnostic specimens from the biliary tract. ERCP carries a risk of post-ERCP pancreatitis, which can vary from mild to life-threatening. Difficult cannulation is the most important risk factor for pancreatitis. Careful patient selection and adequate endoscopy training are the foundation of safe ERCP practice. Current evidence supports the routine use of prophylactic rectal NSAID in all patients to prevent post-ERCP pancreatitis. PMID- 29205026 TI - Prevalence, risk factors and prognosis of depressive disorders. AB - In Finland, one out of ten adults had a depressive disorder on 2011, and compared to year 2000, the prevalence increased especially in women. Risk factors for recurrent depressive episodes included female gender, young age, childhood adversities, and prior mild depressive symptoms. During follow-up, 75% of patients recovered, and the risk for prolonged depression was increased in those living alone or with severe symptoms. Depressive disorders are associated with a two-fold risk of death, which can only partly be explained by physical illness and negative health behavior. PMID- 29205027 TI - Dysmenorrhea in teenagers. AB - Dysmenorrhea affects quality of life, but is often inadequately treated in teenagers. The mainstay of treatment is NSAID, which must be started pre emptively and in adequate dose. If NSAID provides insufficient pain relief, or when contraception is required, combined oral contraceptives can be prescribed concomitantly. Hormonal IUD can also be used in teenagers. If dysmenorrhea persists despite appropriate treatment, the patient must be referred to a gynecologist. Endometriosis, the most common cause of severe dysmenorrhea, can manifest already during adolescence. PMID- 29205028 TI - Clustered-Microcapsule-Shaped Microporous Carbon-Coated Sulfur Composite Synthesized via in Situ Oxidation. AB - Hollow materials as sulfur hosts have been intensively investigated to address the poor cycling stabilities of Li-S batteries. Herein, we report an enhanced hollow framework to improve the applicability of the sulfur confinement. A clustered-microcapsule-shaped microporous carbon coated sulfur (CM-S@MPC) composite is prepared from the clustered zinc sulfide precursor, through an in situ oxidation process. The high specific surface area and the in situ preparation guarantee the uniform distribution of sulfur inside the carbon microcapsule, even under a higher sulfur content of 83 wt %. In addition, the interconnected frame constructed by the stacking of carbon microcapsules also mitigates the lithium polysulfide loss by setting interlayered hurdles on their pathway along the outward diffusion. Hence, these enable a full demonstration of excellent cycling stability, compared to the control sample obtained via physical sulfur infiltration. The outstanding decay rate of 0.039% per cycle is achieved during 700 cycles at 1 C, even under high sulfur loading. PMID- 29205029 TI - Supramolecular Nanomedicine Constructed from Cucurbit[8]uril-Based Amphiphilic Brush Copolymer for Cancer Therapy. AB - An amphiphilic supramolecular brush copolymer CB[8]?(PEG-Np.PTPE) was constructed on the basis of a novel host-guest molecular recognition model formed by cucurbit[8]uril (CB[8]), 4,4'-bipyridinium derivative, and PEGylated naphthol (PEG-Np). In aqueous solution, the resultant supramolecular brush copolymer self assembled into supramolecular nanoparticles (SNPs), by which the anticancer drug doxorubicin (DOX) was encapsulated in the hydrophobic core, establishing an artful Forster resonance energy transfer system with dual fluorescence quenched. With the help of intracellular reducing agents and low pH environment, the SNPs disassembled and the loaded drug molecules were released, realizing in situ visualization of the drug release via the location and magnitude of the energy transfer-dependent fluorescence variation. The cytotoxicity evaluation indicated DOX-loaded SNPs effectively inhibited cell proliferation against HeLa cells. Animal experiments demonstrated that these DOX-loaded SNPs highly accumulated in tumor tissues through the enhanced permeability and retention effect and also had a long blood circulation time. These multifunctional supramolecular nanoparticles possessing self-imaging and controllable drug release ability exhibited great potential in cancer therapy. PMID- 29205030 TI - Crack-Enhanced Microfluidic Stretchable E-Skin Sensor. AB - We reported the development of a transparent stretchable crack-enhanced microfluidic capacitive sensor array for use in E-skin applications. The microfluidic sensor was fabricated through a simple lamination process involving two silver nanowire (AgNW)-embedded rubbery microfluidic channels arranged in a crisscross fashion. The sensing performance was optimized by testing a variety of sensing liquids injected into the channels. External mechanical stimuli applied to the sensor induced the liquid to penetrate the deformed microcracks on the rubber channel surface. The increased interfacial contact area between the liquid and the nanowire electrodes increased the capacitance of the sensor. The device sensitivity was strongly related to both the initial fluid interface between the liquid and crack wall and the change in the contact length of the liquid and crack wall, which were simulated using the finite element method. The microfluidic sensor was shown to detect a wide range of pressures, 0.1-140 kPa. Ordinary human motions, including substantial as well as slight muscle movements, could be successively detected, and 2D color mappings of simultaneous external load sensing were collected. Our simple method of fabricating the microfluidic channels and the application of these channels to stretchable e-skin sensors offers an excellent sensing platform that is highly compatible with emerging medical and electronic applications. PMID- 29205031 TI - Effect of Shewanella oneidensis on the Kinetics of Fe(II)-Catalyzed Transformation of Ferrihydrite to Crystalline Iron Oxides. AB - Iron (oxyhydr)oxides are widespread in natural and engineered systems, potent adsorbents of contaminants and a source of energy for iron-reducing bacteria. Microbial reduction of iron (oxyhydr)oxides results in the formation of Fe(II) which can induce the transformation of these iron minerals, typically from less crystalline to more crystalline forms, affecting the biogeochemical cycling of iron and the behavior of any species adsorbed to the iron (oxyhydr)oxides. Factors influencing the transformation rate of the poorly crystalline iron (oxyhydr)oxide, ferrihydrite, to more crystalline forms in the presence of the iron reducing bacterium Shewanella oneidensis MR-1 are investigated under controlled laboratory conditions in this work. In particular, the amount of Fe(II) produced increased the transformation rate while increasing concentrations of the electron donor, lactate, decreased the rate. Using kinetic parameters determined from abiotic controls, the results of transformation experiments in the presence of Shewanella oneidensis were modeled with this exercise revealing that less goethite and more lepidocrocite formed than expected. Conversely, studies using the Shewanella exudate only, containing biogenic Fe(II), displayed rates of transformation that were satisfactorily modeled using these abiotic control kinetic parameters. This result suggests that the physical presence of the microbes is pivotal to the reduction in ferrihydrite transformation rate observed in the biotic experiments relative to the analogous abiotic controls. PMID- 29205033 TI - Acid-Responsive Conductive Nanofiber of Tetrabenzoporphyrin Made by Solution Processing. AB - While cofacial one-dimensional (1-D) pi stacking of a planar aromatic molecule is ideal for the construction of conduction systems, such molecules, including tetrabenzoporphyrin (BP), prefer to form edge-to-face stacking through CH-pi interactions. We report here that the BP molecules spontaneously form a 1-D cofacial stack in chloroform containing 1% trifluoroacetic acid (TFA) and that a bundle of the formed nanofiber shows acid-responsive 1-D conductivity as high as 1904 S m-1. A small fraction (2.7%) of BP in the fiber exists in a cation radical state, and 1.5 equiv of TFA is located in an intercolumnar void. Dedoping and redoping of TFA with trimethylamine vapor results in 1300-2700-fold decreases and increases, respectively, in the conductivity and also the amount of the radical cation. The conductivity of the fiber also shows a correlation with the pKa of acid dopants. PMID- 29205032 TI - Apratyramide, a Marine-Derived Peptidic Stimulator of VEGF-A and Other Growth Factors with Potential Application in Wound Healing. AB - A novel linear depsipeptide enriched with tyrosine-derived moieties, termed apratyramide, was isolated from an apratoxin-producing cyanobacterium. The structure was determined using a combination of NMR spectroscopy, mass spectrometry, and chiral analysis of the acid hydrolyzate and confirmed by total synthesis. Apratyramide up-regulated multiple growth factors at the transcript level in human keratinocyte (HaCaT) cells and induced the secretion of vascular endothelial growth factor A (VEGF-A) from HaCaT cells, suggesting the compound's potential wound-healing properties through growth factor induction. Transcriptome analysis and sequential validation supported the hypothesis and indicated its mode of action (MOA) through the unfolded protein response (UPR) pathway, which is functionally related to wound healing and angiogenesis. The conditioned medium of HaCaT cells treated with apratyramide induced angiogenesis in vitro. An ex vivo rabbit corneal epithelial model was applied to confirm the VEGF-A induction in this wound-healing model. PMID- 29205035 TI - Selective Transport through Membranes with Charged Nanochannels Formed by Scalable Self-Assembly of Random Copolymer Micelles. AB - Membranes that can separate compounds based on molecular properties can revolutionize the chemical and pharmaceutical industries. This study reports membranes capable of separating organic molecules of similar size based on their electrostatic charge. These membranes feature a network of carboxylate functionalized 1-3 nm nanochannels, manufactured by a simple, scalable coating process: a porous support is coated with a packed array of polymer micelles in alcohol, formed by the self-assembly of a water-insoluble random copolymer with fluorinated and carboxyl functional repeat units. The interstices between these micelles serve as charged nanochannels through which water and solutes can pass. The negatively charged carboxylate groups lead to high separation selectivities between organic solutes of similar size but different charge. In single-solute diffusion experiments, neutral solutes permeate up to 263 times faster than negatively charged compounds of similar size. This selectivity is further enhanced in experiments with mixtures of these solutes. No permeation of the anionic compound was observed for over 24 h. In filtration experiments, these membranes separate anionic and neutral organic compounds while exhibiting water fluxes comparable to that of commercial membranes. Furthermore, carboxylate groups can be functionalized, creating membranes with nanopores with customizable functionality to enable a broad range of selective separations. PMID- 29205034 TI - Augmentation of Anticancer Drug Efficacy in Murine Hepatocellular Carcinoma Cells by a Peripherally Acting Competitive N-Methyl-d-aspartate (NMDA) Receptor Antagonist. AB - The most common solid tumors show intrinsic multidrug resistance (MDR) or inevitably acquire such when treated with anticancer drugs. In this work, we describe the discovery of a peripherally restricted, potent, competitive NMDA receptor antagonist 1l by a structure-activity study of the broad-acting ionotropic glutamate receptor antagonist 1a. Subsequently, we demonstrate that 1l augments the cytotoxic action of sorafenib in murine hepatocellular carcinoma cells. The underlying biological mechanism was shown to be interference with the lipid signaling pathway, leading to reduced expression of MDR transporters and thereby an increased accumulation of sorafenib in the cancer cells. Interference with lipid signaling pathways by NMDA receptor inhibition is a novel and promising strategy for reversing transporter-mediated chemoresistance in cancer cells. PMID- 29205037 TI - I2-Catalyzed Oxidative Amidation of Benzylamines and Benzyl Cyanides under Mild Conditions. AB - We report a novel and efficient method for the oxidation of benzylic carbons (amines and cyanides) into corresponding benzamides using a catalytic amount of I2 and TBHP as the green oxidant via the C-H bond cleavage of the benzylic carbon under mild reaction conditions. According to the literature survey, this is the first report for the oxidative amidation of benzylamines and decyanation of benzyl cyanides in one pot under metal-free conditions. PMID- 29205036 TI - Metabolic Profile of Zearalenone in Liver Microsomes from Different Species and Its in Vivo Metabolism in Rats and Chickens Using Ultra High-Pressure Liquid Chromatography-Quadrupole/Time-of-Flight Mass Spectrometry. AB - To explore differences of zearalenone (ZEN) metabolism between various species, phase I and II metabolism by liver microsomes of animals and human were investigated using ultra high-pressure liquid chromatography-quadrupole/time-of flight mass spectrometry (UHPLC-Q/TOF MS). A total of 24 metabolites were identified, among which 12 were reported for the first time. Reduction, hydroxylation, and glucuronidation were the major metabolic pathways of ZEN, and significant differences in various species were also observed. Reduction was the main reaction in swine and human, whereas hydroxylation was predominant in rats, chickens, goats, and cows in in vitro systems. Furthemore, in vivo metabolism of ZEN in rats and chickens was investigated, and 23 and 6 metabolites were identified in each species, respectively. Reduction, hydroxylation, and glucuronidation were the major metabolic pathways in rats, while reduction and sulfation predominated in chickens. These results further enrich the biotransformation profile of ZEN, providing a helpful reference for assessing the risks to animals and humans. PMID- 29205038 TI - Metabolic Changes during Storage of Brassica napus Seeds under Moist Conditions and the Consequences for the Sensory Quality of the Resulting Virgin Oil. AB - Virgin rapeseed (Brassica napus) oil is a valuable niche product, if delivered with a high quality. In this study, the effects of moist storage of B. napus seeds for 1 to 4 days on the seed metabolome and the chemo-sensory properties of the produced oils were determined. The concentrations of several primary metabolites, including monosaccharides and amino acids, rapidly increased in the seeds, probably indicating the breakdown of storage compounds to support seed germination. Seed concentrations of indole glucosinolates increased with a slight time offset suggesting that amino acids may be used to modify secondary metabolism. The volatile profiles of the oils were pronouncedly influenced by moist seed storage, with the sensory quality of the oils decreasing. This study provides a direct time-resolved link between seed metabolism under moist conditions and the quality of the resulting oils, thereby emphasizing the crucial role of dry seed storage in ensuring high oil quality. PMID- 29205039 TI - Comparison of Two Static in Vitro Digestion Methods for Screening the Bioaccessibility of Carotenoids in Fruits, Vegetables, and Animal Products. AB - In vitro digestion methods are routinely used to assess the bioaccessibility of carotenoids and other dietary lipophilic compounds. Here, we compared the recovery of carotenoids and their efficiency of micellarization in digested fruits, vegetables, egg yolk, and salmon and also in mixed-vegetable salads with and without either egg yolk or salmon using the static INFOGEST method22 and the procedure of Failla et al.16 Carotenoid stability during the simulated digestion was >=70%. The efficiencies of the partitioning of carotenoids into mixed micelles were similar when individual plant foods and salad meals were digested using the two static methods. Furthermore, the addition of cooked egg or salmon to vegetable salads increased the bioaccessibility of some carotenoids. Our findings showed that the two methods of in vitro digestion generated similar estimates of carotenoid retention and bioaccessibility for diverse foods. PMID- 29205040 TI - A New Method of Constructing a Drug-Polymer Temperature-Composition Phase Diagram Using Hot-Melt Extrusion. AB - Current experimental methodologies used to determine the thermodynamic solubility of an API within a polymer typically involves establishing the dissolution/melting end point of the crystalline API within a physical mixture or through the use of the glass transition temperature measurement of a demixed amorphous solid dispersion. The measurable "equilibrium" points for solubility are normally well above the glass transition temperature of the system, meaning extrapolation is required to predict the drug solubility at pharmaceutically relevant temperatures. In this manuscript, we argue that the presence of highly viscous polymers in these systems results in experimental data that exhibits an under or overestimated value relative to the true thermodynamic solubility. In previous work, we demonstrated the effects of experimental conditions and their impact on measured and predicted thermodynamic solubility points. In light of current understanding, we have developed a new method to limit error associated with viscosity effects for application in small-scale hot-melt extrusion (HME). In this study, HME was used to generate an intermediate (multiphase) system containing crystalline drug, amorphous drug/polymer-rich regions as well as drug that was molecularly dispersed in polymer. An extended annealing method was used together with high-speed differential scanning calorimetry to accurately determine the upper and lower boundaries of the thermodynamic solubility of a model drug-polymer system (felodipine and Soluplus). Compared to our previously published data, the current results confirmed our hypothesis that the prediction of the liquid-solid curve using dynamic determination of dissolution/melting end point of the crystalline API physical mixture presents an underestimation relative to the thermodynamic solubility point. With this proposed method, we were able to experimentally measure the upper and lower boundaries of the liquid solid curve for the model system. The relationship between inverse temperature and drug-polymer solubility parameter (chi) remained linear at lower drug loadings. Significantly higher solubility and miscibility between the felodipine Soluplus system were derived from the new chi values. PMID- 29205041 TI - Metal-Free Diaryl Etherification of Tertiary Amines by Ortho-C(sp2)-H Functionalization for Synthesis of Dibenzoxazepines and -ones. AB - A phenyliodine(III) diacetate mediated umpolung reactivity of the tertiary amines with suitably substituted o-hydroxybenzyl and phenyl groups is exploited to facilitate o-C(sp2)-H functionalization to afford diaryl ethers. The presence of an o-CHO and secondary amine functionalities in the resulting diaryl ether, generated in situ, were utilized for synthesis of dibenzoxazepines and dibenzoxazepinones. Mild conditions and relative broad substrate scope, and potential for further diversification of the diaryl ethers are highlights of this methodology. PMID- 29205042 TI - Synthesis of Oligo-(alkyne-triplet)peptide Constructs. AB - Copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) click synthesis of an Fmoc (trispropargyl)amino acid building block for solid phase peptide synthesis (SPPS) of oligo-(trialkyne)peptide constructs is reported. These can carry potentially indefinite numbers of inherent alkyne-triplets, which are click derivatized with GlcNAc-azide into the corresponding glycopeptides. PMID- 29205043 TI - Total Synthesis of (+)-Gliocladin C Based on One-Pot Construction of a 3a-(3 Indolyl)pyrroloindoline Skeleton by Sulfonium-Mediated Cross-Coupling of Tryptophan and Indole. AB - Total synthesis of (+)-gliocladin C has been achieved on the basis of one-pot construction of the 3a-(3-indolyl)pyrroloindoline core structure by the cross coupling of a tryptophan derivative and an indole promoted by a sulfonium species generated from dialkylsulfoxide and triflic anhydride. PMID- 29205044 TI - Direct Decarboxylative-Decarbonylative Alkylation of alpha-Oxo Acids with Electrophilic Olefins via Visible-Light Photoredox Catalysis. AB - The decarbonylation of primary, secondary, and tertiary alkyl-substituted acyl radicals has been investigated through photoredox catalysis. A series of quaternary carbons and gamma-ketoesters have been directly constructed by the photoredox 1,4-conjugate addition of the corresponding alkyl ketoacids with electrophilic alkenes. And, the tertiary alkyl ketoacids have proved to be good precursors of tertiary alkyl radicals. PMID- 29205045 TI - Colon Ascendens Stent Peritonitis (CASP) Induces Excessive Inflammation and Systemic Metabolic Dysfunction in a Septic Rat Model. AB - The colon ascendens stent peritonitis (CASP) surgery induces a leakage of gut contents, causing polymicrobial sepsis related to post-operative multiple organ failure and death in surgical patient. To evaluate the effects of CASP on multiple organs, we analyzed the systemic metabolic consequences in liver, kidney, lung, and heart of rats after CASP by employing a combination of metabolomics, clinical chemistry, and biological assays. We found that CASP surgery after 18 h resulted in striking elevations of lipid, amino acids, acetate, choline, PC, and GPC in rat liver together with significant depletion of glucose and glycogen. Marked elevations of organic acids including lactate, acetate, and creatine and amino acids accompanied by decline of glucose, betaine, TMAO, choline metabolites (PC and GPC) nucleotides, and a range of organic osmolytes such as myo-inositol are observed in the kidney of 18 h post-operative rat. Furthermore, 18 h post-operative rats exhibited accumulations of lipid, amino acids, and depletions of taurine, myo-inositol, choline, PC, and GPC and some nucleotides including uridine, inosine, and adenosine in the lung. In addition, significant elevations of some amino acids, uracil, betaine, and choline metabolites, together with depletion of inosine-5'-monophosphate, were only observed in the heart of 18 h post-operative rats. These results provide new insights into pathological consequences of CASP surgery, which are important for timely prognosis of sepsis. PMID- 29205046 TI - Substituent-Directed Regioselective Azidation: Copper-Catalyzed C-H Azidation and Iodine-Catalyzed Dearomatizative Azidation of Indole. AB - Azidation of indoles using iodine and copper bromide as catalysts under ambient reaction conditions is presented. The regioselectivity is directed by the substituent at the C3-position of indole. A radical stabilizing group such as an ester or ketone moiety at the C3-position of indole leads to azidation at the C2 position, whereas a less radical stabilizing group such as an alkyl or amide group at the C3-position of indole furnishes the 3-azidooxindole product. This protocol is mild and efficient to obtain several 2-azidoindole derivatives and 3 azidooxindole derivatives in moderate to good yields. The reaction conditions hold well for gram-scale synthesis. PMID- 29205047 TI - ICRP Publication 136: Dose Coefficients for Non-human Biota Environmentally Exposed to Radiation. AB - Abstract -: The diversity of non-human biota is a specific challenge when developing and applying dosimetric models for assessing exposures of flora and fauna from radioactive sources in the environment. Dosimetric models, adopted in Publication 108, provide dose coefficients (DCs) for a group of reference entities [Reference Animals and Plants (RAPs)]. The DCs can be used to evaluate doses and dose rates, and to compare the latter with derived consideration reference levels (DCRLs), which are bands of dose rate where some sort of detrimental effect in a particular RAP may be expected to occur following chronic, long-term radiation exposure, as outlined in Publication 124. These dosimetric models pragmatically assume simple body shapes with uniform composition and density, homogeneous internal contamination, limited sets of idealised sources of external exposure to ionising radiation for aquatic and terrestrial animals and plants, and truncated radioactive decay chains. This pragmatic methodology is further developed and systematically extended in this publication, which supersedes the DC values of Publication 108. Significant methodological changes since Publication 108 include: implementation of a new approach for external exposure of terrestrial animals with an extended set of environmental radioactive sources in soil and in air; considering an extended range of organisms and locations in contaminated terrain; transition to the contemporary radionuclide database of Publication 107; assessment-specific consideration of the contribution of radioactive progeny to DCs of parent radionuclides; and use of generalised allometric relationships in the estimation of biokinetic or metabolic parameter values. These methodological developments result in changes to previously published tables of DCs for RAPs, and revised values are provided in this publication. This publication is complemented by a new software tool, called 'BiotaDC', which enables the calculation of DCs for internal and external exposures of organisms with user-defined masses, shapes, and locations in the environment and for all radionuclides in Publication 107. PMID- 29205048 TI - Electroconvulsive therapy stimulus titration: Not all it seems. AB - OBJECTIVE: To examine the provenance and implications of seizure threshold titration in electroconvulsive therapy. BACKGROUND: Titration of seizure threshold has become a virtual standard for electroconvulsive therapy. It is justified as individualisation and optimisation of the balance between efficacy and unwanted effects. RESULT: Present day threshold estimation is significantly different from the 1960 studies of Cronholm and Ottosson that are its usual justification. The present form of threshold estimation is unstable and too uncertain for valid optimisation or individualisation of dose. Threshold stimulation (lowest dose that produces a seizure) has proven therapeutically ineffective, and the multiples applied to threshold to attain efficacy have never been properly investigated or standardised. The therapeutic outcomes of threshold estimation (or its multiples) have not been separated from simple dose effects. Threshold estimation does not optimise dose due to its own uncertainties and the different short-term and long-term cognitive and memory effects. Potential harms of titration have not been examined. CONCLUSION: Seizure threshold titration in electroconvulsive therapy is not a proven technique of dose optimisation. It is widely held and practiced; its benefit and harmlessness assumed but unproven. It is a prematurely settled answer to an unsettled question that discourages further enquiry. It is an example of how practices, assumed scientific, enter medicine by obscure paths. PMID- 29205049 TI - Extracorporeal Shockwave Lithotripsy Could Lead to a Prolonged Increase in the Renal Fibrotic Process of Up to 2 Years. AB - INTRODUCTION AND OBJECTIVE: This prospective study aimed to evaluate the effect of ramping and pause protocols on renal fibrosis, blood pressure control, and renal function in patients receiving extracorporeal shockwave lithotripsy (SWL). PATIENTS AND METHODS: This study prospectively recruited 320 patients with solitary radiopaque renal stones <15 mm in size. Patients were randomized to receive one of four shockwave protocols: (1) standard protocol (no ramping or pause); (2) ramping protocol alone; (3) ramping and pause protocols; or (4) pause protocol alone. Spot urine samples were collected before and for 2 years after treatment to monitor the levels of the renal fibrosis marker procollagen III aminoterminal propeptide (PIIINP) by blinded research staffs. Blood pressure and serum creatinine levels were also monitored during follow-up. RESULTS: The four groups had comparable baseline data and treatment parameters. Significant increases (p < 0.05) in the urinary PIIINP levels from 6 weeks until 18 months after SWL were observed among all patients and in individual groups. PIIINP levels peaked at 1 year after SWL and gradually decreased to the baseline at 2 years. At the 2-year follow-up point, the overall serum creatinine levels remained significantly elevated (76.21-80.01 MUmol/L, p < 0.001). Twenty (9.95%) patients developed new-onset hypertension and another 43 (36.4%) experienced worsening blood pressure control. However, no differences were observed among the four treatment groups. CONCLUSIONS: SWL led to significant increases in renal fibrosis marker levels for up to 18 months after treatment. However, no differences in changes in renal fibrosis marker and serum creatinine levels and worsening of blood pressure control were observed with respect to the use of either ramping or pause treatment protocols. PMID- 29205050 TI - HRMS for the quantification of xenobiotics in biological samples. PMID- 29205051 TI - Quantitative analysis of imetelstat in plasma with LC-MS/MS using solid-phase or hybridization extraction. AB - AIM: Imetelstat, a 13-mer oligonucleotide with a lipid tail is being evaluated for treating hematologic myeloid malignancies. This report describes the development of extraction and quantification methods for imetelstat. Methodology & results: Imetelstat was extracted using SPE (rat plasma) or by hybridization using a biotinylated capture probe (human plasma) and was quantified by LC-MS/MS. Calibration curves were established (0.1-50 MUg/ml). Stability of imetelstat in plasma was demonstrated. Concentrations of imetelstat extracted using either of the methods and quantified with LC-MS/MS were comparable with a validated ELISA. CONCLUSION: Two extraction methods (solid phase and hybridization) were developed for quantifying imetelstat in plasma using LC-MS/MS. The hybridization extraction in combination with LC-MS/MS is a novel extraction approach. PMID- 29205052 TI - Microspray and microflow liquid chromatography: the way forward for LC-MS bioanalysis. PMID- 29205053 TI - 2017 White Paper: rise of hybrid LBA/LCMS immunogenicity assays (Part 2: hybrid LBA/LCMS biotherapeutics, biomarkers & immunogenicity assays and regulatory agencies' inputs). AB - The 2017 11th Workshop on Recent Issues in Bioanalysis (11th WRIB) took place in Los Angeles/Universal City, California on 3-7 April 2017 with participation of close to 750 professionals from pharmaceutical/biopharmaceutical companies, biotechnology companies, contract research organizations and regulatory agencies worldwide. WRIB was once again a 5-day, weeklong event - a full immersion week of bioanalysis, biomarkers and immunogenicity. As usual, it was specifically designed to facilitate sharing, reviewing, discussing and agreeing on approaches to address the most current issues of interest including both small and large molecule analysis involving LCMS, hybrid ligand binding assay (LBA)/LCMS and LBA approaches. This 2017 White Paper encompasses recommendations emerging from the extensive discussions held during the workshop, and is aimed to provide the bioanalytical community with key information and practical solutions on topics and issues addressed, in an effort to enable advances in scientific excellence, improved quality and better regulatory compliance. Due to its length, the 2017 edition of this comprehensive White Paper has been divided into three parts for editorial reasons. This publication (Part 2) covers the recommendations for biotherapeutics, biomarkers and immunogenicity assays using hybrid LBA/LCMS and regulatory agencies' inputs. Part 1 (LCMS for small molecules, peptides and small molecule biomarkers) and Part 3 (LBA: immunogenicity, biomarkers and pharmacokinetic assays) are published in Volume 9 of Bioanalysis, issues 22 and 24 (2017), respectively. PMID- 29205054 TI - Best practices protocol for the evaluation of bulbar dysfunction: summary recommendations from the NEALS bulbar subcommittee symposium. AB - OBJECTIVE: The aim of this Symposium was to develop a consensus based, bulbar assessment protocol for implementation within NEALS clinics. METHODS: A one-day symposium, held in April 2017, was organized into Speech and Swallowing sections to establish summary recommendations for the assessment of bulbar dysfunction within each group. RESULTS: Summary recommendations included speech referrals and AAC evaluations at initial visit, CNS-BFS, maximum sustained phonation, and speaking rate. Dysarthria evaluation included the speech subsystem involvement of respiration, phonation, resonance, and articulation. Specific recommendations for swallowing were established for each of the following domains: dietary/oral intake, airway defense physiologic capacity, swallow safety screen, patient reported swallow-related outcomes, oral sensorimotor exam, and pulmonary function. Practice parameters focused upon patient education and unresolved questions included the use of videofluoscopy, monitoring diet progression, and swallow safety screening. CONCLUSIONS: The working goal is to establish a clinical bulbar protocol, designed to be incorporated within ALS clinics and ultimately to formulate a best practice set of bulbar ALS guidelines, available for implementation throughout the international ALS community. PMID- 29205055 TI - Determination of olopatadine in human tears by hydrophilic interaction liquid chromatography-MS/MS method. AB - AIM: The objective of the study was development of hydrophilic interaction liquid chromatography-ESI/MS/MS method for the determination of olopatadine in tear matrix. MATERIALS & METHODS: Separation was performed on Acquity BEH amide column (2.1 * 100 mm, 1.7 MUm). The mobile phase was consisted of 0.1% formic acid in water and acetonitrile. Mianserin hydrochloride was implemented as an internal standard. The artificial tear fluid was used as matrix. The tear samples were collected using Schirmer test strips. For the optimization of ultra pressure liquid chromatography conditions, Box-Benhken design was utilized. RESULTS: The optimal values of the ion source and collision cell parameters were found. Quantification was performed in multiple reaction monitoring mode. The optimized method was fully validated. CONCLUSION: The proposed method was utilized for monitoring of olopatadine in human tear. PMID- 29205056 TI - Ocular bioanalysis: challenges and advancements in recent years for these rare matrices. AB - There are many ocular diseases still presenting unmet medical needs. Therefore, new ophthalmologic drugs are being developed. Bioanalysis of eye compartments (along with plasma and other tissues) is important to determine exposure of the target organ to the drug and to help interpret local pharmacological or toxic effects. This review article identifies several challenges that occur within ocular bioanalysis. They include sample collection and preparation, analytical issues, sourcing control matrix, data interpretation and regulatory requirements. It summarizes how these challenges have been recently addressed, how research has advanced and which questions remain unanswered. Recommendations are made based on the literature and our practical experience within ocular bioanalysis and future perspectives are discussed. PMID- 29205057 TI - Gender differences in inflammatory bowel disease: Explaining body image dissatisfaction. AB - The aim of this study was to examine the role of body image problems in the context of inflammatory bowel disease and to explore gender differences in these associations. A sample of inflammatory bowel disease patients (60 males and 140 females) was collected. Findings from a multi-group analysis show that inflammatory bowel disease symptomatology may impact on body image in both male and female patients through the effect of body-image-related cognitive fusion. Body image difficulties in the context of inflammatory bowel disease should not be a neglected dimension in research aiming at understanding the psychosocial effects of inflammatory bowel disease and by health professionals working with these patients. PMID- 29205058 TI - Towards a critical epidemiology approach for applied sexual health research. AB - Critical approaches may benefit epidemiological studies of sexual health. This article proposes a critical approach, reconcilable with social epidemiological enquiry. Key aims of critical epidemiology for sexual health are identified, from which three criticisms of practice emerge: (1) lack of attention to socio cultural contexts, (2) construction of 'risk' as residing in the individual and (3) enactment of public health agendas which privilege and pathologise certain behaviours. These reflect and construct an apolitical understanding of population health. This article proposes features of a critical epidemiology that represent a morally driven re-envisioning of the focus, analysis and interpretation of epidemiological studies of sexual health. PMID- 29205059 TI - 5TR1 aptamer-PEGylated liposomal doxorubicin enhances cellular uptake and suppresses tumour growth by targeting MUC1 on the surface of cancer cells. AB - Employing targeting ligands with high affinity to tumour receptors is an important strategy to increase treatment efficacy. The use of aptamers as targeting agent is increasingly prevalent in drug delivery systems. Mucin1 (MUC1) is a glycoprotein that is over-expressed on the surface of several cancer cells and plays an important role in metastasis and invasion. 5TR1-aptamer is a DNA aptamer, which targets MUC1 receptors. The present study investigated the anti tumour activity and therapeutic effectiveness of 5TR1-aptamer-PEGylated liposomal doxorubicin (PLD) delivery system in C26 tumour-bearing mice. The in vitro experiments demonstrated enhanced cytotoxicity and cellular uptake of PLD at the presence of 5TR1 aptamer into MUC1+C26 cell line. Biodistribution study indicated that aptamer conjugation increased tumour accumulation of PLDs. Pharmacokinetic analysis showed despite higher clearance rate, selective delivery of doxorubicin to tumour tissue was increased in the 5TR1-Doxil group. In C26-bearing tumour mice, treatment with 5TR1-Doxil exhibited significant deceleration in tumour growth and enhanced survival. The results suggested that 5TR1 aptamer is promising ligand for active targeting which improves therapeutic efficiency of PLD in cancer therapy. PMID- 29205060 TI - Correction to: Nematollahi et al., Ternary complex of plasmid DNA with NLS-Mu-Mu protein and cationic niosome for biocompatible and efficient gene delivery: a comparative study with protamine and lipofectamine. PMID- 29205061 TI - Does Advancing Technology Improve Outcomes? Comparison of the Da Vinci Standard/S/Si to the Xi Robotic Platforms During Robotic Nephroureterectomy. AB - INTRODUCTION: With the introduction of laparoscopy and now robotics, more patients are able to reap benefit from minimally invasive techniques during urologic surgery. With these advancing technologies, it is important to evaluate whether the outlay of hospital capital actually improves patient care. To date, there has been little literature regarding the impact of these advances on patient outcomes. In this article, we directly compare perioperative outcomes and hospital costs between the older da Vinci Standard/S/Si platform and the newer Xi robotic platform during nephroureterectomy. METHODS: A review of our robotic nephroureterectomy database between April 2009 and December 2017 identified 87 patients, 30 in group 1 (Xi) and 57 in group 2 (Standard/S/Si). Preoperative, perioperative, and postoperative parameters as well as hospital costs were evaluated. Independent t-test was performed for continuous variables, while categorical variables were evaluated using chi-square tests or Fisher's exact test. RESULTS: There were no significant differences between groups preoperatively. Operative time using the Xi was shorter, 184.4 vs 232.09 minutes (p = 0.0035). Other perioperative variables were similar. There was more lymphovascular invasion in group 2 (p = 0.0108), but there were higher stage tumors in group 1 (p < 0.0001). More patients underwent lymph node dissection in group 1 (p = 0.0186). Complications were similar between groups. Costs for anesthesia were less in group 1, which led to decreased total hospitalization costs (p < 0.001) Conclusion: Operative times were found to be less with the daVinci Xi, without any other significant difference in patient outcomes between the groups. Anesthesia and operating room cost were substantial factors in lowering the overall hospital costs. More multi-institutional studies with larger groups of patients are needed to determine if advancing technology really improves outcomes. PMID- 29205062 TI - MicroRNA-150 protects against cigarette smoke-induced lung inflammation and airway epithelial cell apoptosis through repressing p53: MicroRNA-150 in CS induced lung inflammation. AB - Cigarette smoke (CS) exposure is an important risk factor for chronic obstructive pulmonary disease (COPD). MicroRNA-150 (miR-150) is involved in several inflammatory diseases. However, little is known about the role of miR-150 in the pathogenesis of COPD. In this study, we established a CS-related mouse model of COPD and evaluated the impact of miR-150 on CS-induced lung inflammation. We further investigated the effects of miR-150 overexpression on pro-inflammatory cytokine production and apoptosis in airway epithelial cells exposed to CS extract (CSE). It was found that miR-150 was significantly ( p < 0.05) downregulated in the lungs of CS-exposed mice, compared to control mice under normal air. The CSE-exposed BEAS-2B airway epithelial cells displayed a four- to six-fold reduction in miR-150 levels, compared to control cells ( p < 0.05). Delivery of miR-150 mimic attenuated CS-induced lung inflammation and accumulation of neutrophils, lymphocytes, and macrophages in bronchoalveolar lavage fluid. Moreover, miR-150 overexpression prevented the induction of interleukin-6, tumor necrosis factor alpha, and interleukin-8 expression and nuclear factor kappa B (NF-kappaB) transcriptional activity in BEAS-2B cells by CSE. Additionally, miR-150 protected BEAS-2B cells from CSE-induced apoptosis, which was associated with reduced p53 expression. Co-expression of p53 restored apoptotic response to CSE in miR-150-overexpressing BEAS-2B cells. Collectively, miR-150 suppresses CS-induced lung inflammation and airway epithelial cell apoptosis, which is causally linked to repression of p53 expression and NF-kappaB activity. Restoration of miR-150 expression may represent a potential therapeutic strategy for CS-related COPD. PMID- 29205063 TI - How should health leaders approach morally contentious policy issues? AB - In terms of their expertise, experience, and impact on patient care, health leaders occupy an important position in our health system. These leaders are expected to provide value to their constituents, and this value is connected to moral objectives that are fundamental to the delivery of healthcare. In some cases, leaders may interpret a certain politico-medical decision, policy, or directive to interfere with these moral objectives. In these instances, leaders can either expressly object to a decision or sideline moral views while enacting these policies or directives. We present several contemporary examples of these issues as well as the experiences of health leaders. Subsequently, we review relevant sections of the Canadian College of Health Leaders' Code of Ethics to identify existing guidance. Ultimately, we conclude that more work is needed to define the role of leaders in these circumstances, as well as the limitations of any resistance. PMID- 29205065 TI - ECAS A-B-C: alternate forms of the Edinburgh Cognitive and Behavioural ALS Screen. AB - BACKGROUND: The Edinburgh Cognitive and Behavioural ALS Screen (ECAS) is a short assessment by which neuropsychological symptoms can be detected and quantified in people with ALS. To avoid potential practice effects with repeated administration, here we present alternative versions of the ECAS suitable for measuring change over time. OBJECTIVE: To develop two alternate versions of the ECAS: ECAS-B and ECAS-C. METHOD: One hundred and forty-nine healthy adult participants were recruited. Thirty participants completed a pilot study in developing the alternate versions. Two groups of 40 participants were administered the ECAS-B or ECAS-C and compared to published data of the original ECAS (ECAS-A) to determine equivalence. An additional 39 participants were administered the ECAS consecutively, either repeating the original version (ECAS A-A-A) serially or the different versions (ECAS-A-B-C) to determine potential practice effects. Recordings of assessments were scored by a second researcher to determine inter-rater reliability. RESULTS: No significant differences were found between versions (A, B, C) of the composite performance measures of ALS Specific, ALS Non-Specific, and ECAS Total scores. Repeated serial administration of ECAS-A (A-A-A) produced some practice effects for composite scores, whereas no such effects were found when alternate versions were administered serially (A-B-C). Exceptionally high intra-class correlations were found for all three versions of the ECAS suggesting a high degree of rater agreement. CONCLUSION: The newly developed alternate forms of the ECAS are both highly equitable to the original ECAS-A and enable avoidance of practice effects, thus supporting their use in measuring cognition and behaviour over time. PMID- 29205066 TI - An analysis of barriers to entry of cardiac rehabilitation in patients with diabetes: Using data from the National Audit of Cardiac Rehabilitation. AB - BACKGROUND: UK cardiac rehabilitation has reached for the first time 50% uptake in 2016; however, this still leaves 50% of the eligible group not starting cardiac rehabilitation. The characteristics of patients missing cardiac rehabilitation are relatively unknown with some studies in America suggesting that patients with diabetes have a reduced likelihood of joining cardiac rehabilitation. METHODS: This study used routinely collected data from the National Audit of Cardiac Rehabilitation to investigate proportional differences in patients with cardiovascular disease with, and without, diabetes taking up the offer of cardiac rehabilitation. RESULTS: The proportion of patients with diabetes entering cardiac rehabilitation dropped by between 7% and 15% depending on the age group (<40 years, 7% reduction; 61-80 years, 15%). The study's results showed that in all demographic and diagnostic groups, the proportion of patients with diabetes was significantly less than that of the eligible group ( p < 0.001). There was no difference in the proportion of loss, from eligible to starting cardiac rehabilitation, between males and females, which was 13% for both groups. CONCLUSION: This study confirms, in a new UK population with over 121,002 eligible patients, that there is a statistically significant drop in patients with diabetes taking up cardiac rehabilitation. This study is unique in looking at all four key diagnosis and treatment groups and comparing them to those taking up cardiac rehabilitation. To achieve the target of 65% uptake set by NHS England, improvements in identifying and targeting complex patients, such as those with diabetes, need to be adopted. PMID- 29205064 TI - 2017 White Paper on recent issues in bioanalysis: a global perspective on immunogenicity guidelines & biomarker assay performance (Part 3 - LBA: immunogenicity, biomarkers and PK assays). AB - The 2017 11th Workshop on Recent Issues in Bioanalysis took place in Los Angeles/Universal City, California, on 3-7 April 2017 with participation of close to 750 professionals from pharmaceutical/biopharmaceutical companies, biotechnology companies, contract research organizations and regulatory agencies worldwide. WRIB was once again a 5-day, week-long event - a full immersion week of bioanalysis, biomarkers and immunogenicity. As usual, it was specifically designed to facilitate sharing, reviewing, discussing and agreeing on approaches to address the most current issues of interest including both small- and large molecule analysis involving LC-MS, hybrid ligand-binding assay (LBA)/LC-MS and LBA approaches. This 2017 White Paper encompasses recommendations emerging from the extensive discussions held during the workshop, and is aimed to provide the bioanalytical community with key information and practical solutions on topics and issues addressed, in an effort to enable advances in scientific excellence, improved quality and better regulatory compliance. Due to its length, the 2017 edition of this comprehensive White Paper has been divided into three parts for editorial reasons. This publication (Part 3) covers the recommendations for large molecule bioanalysis, biomarkers and immunogenicity using LBA. Part 1 (LC-MS for small molecules, peptides and small molecule biomarkers) and Part 2 (hybrid LBA/LC-MS for biotherapeutics and regulatory agencies' inputs) are published in volume 9 of Bioanalysis, issues 22 and 23 (2017), respectively. PMID- 29205067 TI - A Message from the Guest Editor. PMID- 29205068 TI - Evaluation of the role of incentive structure on student participation and performance in active learning strategies: A comparison of case-based and team based learning. AB - BACKGROUND: Student participation is important for the success of active learning strategies, but participation is often linked to the level of preparation. At our institution, we use two types of active learning activities, a modified case based learning exercise called active learning groups (ALG) and team-based learning (TBL). These strategies have different assessment and incentive structures for participation. Non-cognitive skills are assessed in ALG using a subjective five-point Likert scale. In TBL, assessment of individual student preparation is based on a multiple choice quiz conducted at the beginning of each session. METHODS: We studied first-year medical student participation and performance in ALG and TBL as well as performance on course final examinations. RESULTS: Student performance in TBL, but not in ALG, was strongly correlated with final examination scores. Additionally, in students who performed in the upper 33rd percentile on the final examination, there was a positive correlation between final examination performance and participation in TBL and ALG. This correlation was not seen in students who performed in the lower 33rd percentile on the final examinations. CONCLUSIONS: Our results suggest that assessments of medical knowledge during active learning exercises could supplement non-cognitive assessments and could be good predictors of performance on summative examinations. PMID- 29205069 TI - Dried blood spots in therapeutic drug monitoring and toxicology. PMID- 29205070 TI - Trends in types of calls managed by U.S. poison centers 2000-2015. AB - AIM: The number of cases reported to poison centers has decreased since 2008 but there is evidence that the complexity of calls is increasing. OBJECTIVES: The objectives are to evaluate national poison center data for trends in reason and how these changes effect management site, medical outcomes, and poison center workload. METHODS: Data regarding reason, age, management site, and medical outcome were extracted from annual reports of the National Poison Data System from 2000 to 2015. The proportion of cases by year were determined for unintentional and intentional exposures. Analysis of data from a single poison center from 2005 to 2015 compared the number of interactions between poison center staff and callers for unintentional versus intentional reasons. RESULTS: Trend analyses found that from 2000 to 2015 the percent of unintentional cases decreased (from 85.9 to 78.4%, p < .0001) and the percent of intentional cases increased (from 11.3 to 17.6%, p < .0001). Age distribution changed with a decrease in children <13 years of age and increase in adolescents and adults. In these latter two age groups, the proportion due to intentional exposure increased while unintentional declined. The distribution of management sites changed over the 16-year period, with a decrease in non-HCF cases and significant increase in percent of cases treated in a HCF. The frequencies of moderate effect, major effect, and death were significantly higher for intentional exposures than for unintentional exposures. Analysis of data entry notes from a single center showed that the mean number of notes per unintentional case (1.61 +/- 0.08) was significantly different from the mean number of notes per intentional case (9.23 +/- 0.68) (p < .0001). DISCUSSION: Poison centers are managing more intentional exposures and fewer unintentional exposures. Intentional exposures require more poison center staff expertise and time. CONCLUSION: Looking only at poison center total call volume may not be an adequate method to gauge productivity. PMID- 29205071 TI - Impact of helmet use in equestrian-related traumatic brain injury: a matched pairs analysis. AB - PURPOSE: Traumatic brain injury is an important health concern in equestrian sports. Nevertheless, the use of safety helmets, especially in recreational riding, is reported to be rare. The purpose of this study was to perform the first matched-pairs analysis of traumatic brain injury with regard to the use of helmets. MATERIALS AND METHODS: In a multicenter retrospective database analysis 40 patients (mean age: 35 +/- 17.13 years; 34 female & 6 male) were combined in 20 matched pairs based on age group, gender and trauma mechanism. Admission trauma computed tomography was qualitatively analyzed for the presence or absence of fractures or intracranial hemorrhage. Quantitatively, in patients with intracranial hemorrhage dedicated volumetry of the blood volume was performed. Odds ratio and relative risk were calculated for the endpoints fractures and intracranial hemorrhage. Crude risk ratio and lesion volume differences between helmeted and unhelmeted riders were compared. RESULTS: Concerning skull fractures, in this cohort 6 patients (85.7% of all patients with fractures) did not wear a helmet and only one (14.3%) wore a helmet (p = .068).and fractures were considered more complex in the unhelmeted subgroup. Intracranial hemorrhage occurred significantly more often in the unhelmeted subgroup (10 vs. 2; p = .008). Moreover, the total lesion volume with 19.31 +/- 23.93ml in the unhelmeted subgroup, presenting with intracranial hemorrhage, was significantly higher than in the control group (0.65 +/- 0.35ml; p = .002). Odds ratios were 9 for intracranial hemorrhage (p = .014) and 8.14 for skull fractures without helmet (p = .09). Altogether, the relative risk for intracranial bleeding for unhelmeted riders was 5-fold higher and the relative risk reduction was 96% by wearing a safety helmet. CONCLUSIONS: Under consideration of comparable trauma mechanisms, horseback riders that do not wear a safety helmet are at risk to suffer significantly more severe brain injury than helmeted riders. Therefore, safety helmets are recommendable for all horseback riders. PMID- 29205072 TI - Enamel matrix proteins regulate hypoxia-induced cellular biobehavior and osteogenic differentiation in human periodontal ligament cells. AB - Hypoxia is a crucial microenvironment for inflamed periodontal tissue and periodontal wound healing. Enamel matrix proteins (EMPs) potentially can promote the formation of new periodontium. The effects of EMPs on periodontal ligament cells under hypoxia, however, remain unclear. We investigated the effects of EMPs on cellular biobehavior and osteogenic differentiation of human periodontal ligament cells (hPDLCs) under hypoxia. Under cobalt chloride (CoCl2)-induced hypoxia, cellular biobehavior of hPDLCs, including proliferation, attachment, spreading, and migration with or without EMPs, was evaluated by 3-(4, 5 dimethylthiazol- 2-yl)-2, 5-diphenyl tetrazolium bromide (MTT), cell counting, spreading area measurement and wound scratch assay. The osteogenic activity of hPDLCs was assessed using alkaline phosphatase (ALP) and alizarin red S staining (ARS). The expressions of osteogenic genes including runt related transcription factor 2 (Runx2), ALP, osteocalcin (OCN) and collagen type I (Col-I) were detected using real time quantitative PCR, western blot and immunocytochemistry assays. The biobehavior and osteogenic differentiation of hPDLCs were inhibited significantly under hypoxia. EMPs have no effect on cell proliferation under mimicked hypoxia. EMPs partly reversed the inhibitory effects of hypoxia, however, for other cellular biobehavior including attachment, spreading and migration, and markedly up-regulated osteogenic differentiation activities including ALP, mineralization ability and the expressions of osteogenic genes such as Runx2, ALP, osteocalcin, and collagen type I in hPDLCs under hypoxia. EMPs attenuate the hypoxic injury to cellular biobehavior and osteogenic differentiation in hPDLCs under hypoxia. PMID- 29205073 TI - Effects of citronella oil (Cymbopogon winterianus Jowitt ex Bor) on Spodoptera frugiperda (J. E. Smith) midgut and fat body. AB - The armyworm, Spodoptera frugiperda, is the principal pest of corn in Brazil. Control is achieved primarily by synthetic insecticides, which cause problems for the agro-ecosystem. Alternative methods of control are under investigation and citronella (Cymbopogon winterianus) essential oil appears to be a promising agent. We investigated the effects of citronella oil using histological, histochemical and immunohistochemical methods. The midgut of larvae treated with citronella exhibited altered epithelium including cytoplasmic protrusions, columnar cell extrusion, pyknotic nuclei, and increased periodic acid-Schiff positive granules. Regenerative cells in the epithelium of the midgut increased in number, which facilitated subsequent regeneration of this tissue. After exposure to citronella, trophocytes, the principal cell type of the fat body, possessed enlarged vacuoles and mitotic bodies, and contained reduced amounts of glycogen, lipid, and protein. Citronella oil caused morphological changes of the midgut and reduction of stored resources in the fat body, which may adversely affect insect reproduction and survival. PMID- 29205074 TI - Overweight and obesity risk factors in children aged 3-7 years: a prospective study in the city of Krakow. AB - BACKGROUND: Early identified factors determining overweight and obesity in childhood may be important for preventive purposes. AIM: To evaluate the influence of the commonly accepted and hypothetical risk factors for overweight/obesity and their mutual relations, using the method of classification trees. SUBJECTS AND METHODS: The data were collected during anthropometric surveys carried out in 2010 in Krakow, Poland. The study involved 1042 pre-school children aged 3-7 years. BMI was calculated for all subjects classified as underweight, normal body weight and overweight, according to the IOTF cut-offs. In order to determine the correlation between genetic, environmental and lifestyle factors and the child's BMI, this study used information from a questionnaire filled in by the mothers. RESULTS: Relatively high birth weights, relatively long times of breastfeeding and father's obesity were conducive to the appearance of overweight and obesity in boys. Other overweight risk factors included alcohol consumption by the mother, her low education level and a relatively low mother's age at birth. Among girls, factors leading to overweight included high birth weight, high father's BMI and family situation reported as below very good by their mothers. It was found that a moderate duration of breastfeeding is conducive to a normal weight of children at pre-school age, although in boys this regularity is better documented. CONCLUSIONS: The biological, social and lifestyle factors related to the child's mother significantly determined the child's BMI. PMID- 29205075 TI - The Nick Norgan Award 2017. PMID- 29205076 TI - Connecting science and practice: Focus and directions for the next 10 years. PMID- 29205077 TI - Forty years of landmark trials undertaken by the Danish Breast Cancer Cooperative Group (DBCG) nationwide or in international collaboration. AB - BACKGROUND: Over the past 40 years the Danish Breast Cancer Cooperative Group (DBCG) has made significant contributions to improve outcome and to make treatment of patients with early breast cancer more tolerable through nationwide and international trials evaluating loco-regional and systemic treatments. These trials have been instrumental to establish standards for the treatment of early breast cancer. METHODS: The DBCG 82 trials had a global impact by documenting that the significant gain in loco-regional recurrence from postmastectomy radiation added to systemic therapy was associated with a reduction in distant recurrence and mortality in high-risk pre- and postmenopausal patients. The DBCG trials comparing breast conserving surgery and radiotherapy with mastectomy and more recently the trial of internal mammary node irradiation also had a major impact of practice. The trials initiated by the DBCG 40 years ago on tamoxifen and cyclophosphamide based chemotherapy became instrumental for the development of adjuvant systemic therapy not only due to their positive results but by sharing these important data with other members of the Early Breast Cancer Trialist' Collaborative Group (EBCTCG). Trials from the DBCG have also been important for highlighting the relative importance of anthracyclines and taxanes in the adjuvant setting. Furthermore, DBCG has made a major contribution to the development of aromatase inhibitors and targeted adjuvant treatment for human epidermal growth factor receptor 2 positive breast cancers. RESULTS: The substantial impact of these treatment improvements is illustrated by a 46.7% 10 year overall survival of early breast cancer patients treated in 1978-1987 compared to 71.5% for patients treated 2008-2012. CONCLUSIONS: The trials conducted and implemented by the DBCG appear to have a major impact on the substantial survival improvements in breast cancer. PMID- 29205078 TI - An oral pharyngeal scope for objective oropharyngeal examination: a new device for oropharyngeal study. AB - OBJECTIVE: There has been little progress in examination of the oropharynx with a light source such as electric light, a penlight, or a forehead mirror over the past 100 years. It is therefore necessary to develop methods to display and record oropharyngeal observations. METHOD: Since the aim of this study was to assess the safeness to use from the perspective of physicians, medical staffs, patients, and patients' families and usefulness of pharyngeal scope, the number of devices was limited, the number of patients was not set based on hypothetical statistical tests. RESULTS: A total of 150 volunteers were enrolled in this study. Among them, 96 underwent examination alone and the remaining 28 underwent treatment procedures. The study was done without any complications in all 150 cases. Most (91.3%) physicians hoped to continue using the new device if available. When comparing the use of the device for observation alone and for treatment procedures, there was no significant difference for evaluation items (p > .05) except convenience factor which received a significantly different (p = .0154) evaluation from physicians for observation alone and for treatment procedures. A positive evaluation was received about examination, recording/display and explanation from the patients and patients' families. CONCLUSIONS: Our new device received positive evaluations by who underwent examination of the oral cavity and pharynx, recording of the results, and treatment procedures. PMID- 29205079 TI - Combination antibiotic therapy for Pseudomonas aeruginosa bacteremia in febrile neutropenic patients? The question still remains. PMID- 29205080 TI - The potential benefits from respiratory gating for breast cancer patients regarding target coverage and dose to organs at risk when applying strict dose limits to the heart: results from the DBCG HYPO trial. AB - PURPOSE: The potential benefits from respiratory gating (RG) compared to free breathing (FB) regarding target coverage and dose to organs at risk for breast cancer patients receiving post-operative radiotherapy (RT) in the DBCG HYPO multicentre trial are reported. MATERIAL AND METHODS: Patients included in the DBCG HYPO trial were randomized between 50 Gy in 25 fractions (normofractionated) versus 40 Gy in 15 fractions (hypofractionated). A tangential forward field-in field dose planning technique was used to cover the clinical target volume (CTV) with the intent to limit dose to the left anterior descending coronary artery (LADCA) to 20 Gy and 17 Gy in the normo- and hypofractionated arms, respectively. Treatment plan data for 1327 patients from four Danish centres was retrospectively analyzed. FB right-sided patients served as control group for the left-sided patients regarding CTV V95% (relative volume receiving at least 95% of the prescribed dose), mean heart dose (MHD) and mean lung dose (MLD). RESULTS: Median CTV V95% was for FB right-sided, FB left-sided and RG left-sided patients 94.6, 92.6 and 94.7% for normofractionated therapy, respectively, and 94.6, 91.8 and 94.4% for hypofractionated therapy and did not differ significantly for RG left-sided plans compared to FB right-sided in either study arm. CTV V95% was significantly lower for FB versus RG for left-sided plans in both arms. Median MHD was 0.7, 1.8 and 1.5 Gy (normofractionated therapy) versus 0.6, 1.5 and 1.2 Gy (hypofractionated therapy), respectively. The corresponding median MLD was 9.0, 8.3 and 7.3 Gy versus 7.3, 6.4 and 5.8 Gy, respectively. CONCLUSIONS: RG for left-sided breast cancer patients ensured similar CTV V95% as for FB right-sided patients. MLD was lower for RG due to the increased lung volume. MHD was generally low due to strict protocol-defined maximum dose to LADCA, but for left sided patients RG led to significantly lower MHD. PMID- 29205082 TI - Energetic Modalities as a Self-Care Technique to Reduce Stress in Nursing Students. AB - This article describes the outcomes of nursing students taking a course in complementary and alternative therapies focusing on energetic modalities that were used as a means of self-care. Students kept journal logs and did a formal presentation for the class. Nursing students reported decreased stress and improved concentration, academic performance, productivity, and problem-solving while experiencing a greater appreciation of their clinical experiences. Using Therapeutic Touch and other subtle energy interactions, the students also cited improved interpersonal relationships, increased feelings of calmness, a higher degree of self-awareness and self-care, reduced physical pain, increased energy, and greater appreciation of the world around them. The theoretical framework was Margret Neuman's theory of health as expanding consciousness. While this is an elective nursing course, the nursing students were primarily juniors and seniors already taking clinical courses. A research study with a wide sample of student participants, especially freshmen, and using quantitative as well as qualitative measures would be beneficial to determine if such a course should be part of the standard nursing curriculum to not only expand nurses' understanding of complementary and alternative therapies but also to help students with their own self-care and influence their practice as clinicians. PMID- 29205081 TI - Uncovering mechanisms of nuclear degradation in keratinocytes: A paradigm for nuclear degradation in other tissues. AB - Eukaryotic nuclei are essential organelles, storing the majority of the cellular DNA, comprising the site of most DNA and RNA synthesis, controlling gene expression and therefore regulating cellular function. The majority of mammalian cells retain their nucleus throughout their lifetime, however, in three mammalian tissues the nucleus is entirely removed and its removal is essential for cell function. Lens fibre cells, erythroblasts and epidermal keratinocytes all lose their nucleus in the terminal differentiation pathways of these cell types. However, relatively little is known about the pathways that lead to complete nuclear removal and about how these pathways are regulated. In this review, we aim to discuss the current understanding of nuclear removal mechanisms in these three cell types and expand upon how recent studies into nuclear degradation in keratinocytes, an easily accessible experimental model, could contribute to a wider understanding of these molecular mechanisms in both health and pathology. PMID- 29205083 TI - A multifactorial investigation of captive gorillas' intraspecific gestural laterality. AB - Multifactorial investigations of intraspecific laterality of primates' gestural communication aim to shed light on factors that underlie the evolutionary origins of human handedness and language. This study assesses gorillas' intraspecific gestural laterality considering the effect of various factors related to gestural characteristics, interactional context and sociodemographic characteristics of signaller and recipient. Our question was: which factors influence gorillas' gestural laterality? We studied laterality in three captive groups of gorillas (N = 35) focusing on their most frequent gesture types (N = 16). We show that signallers used predominantly their hand ipsilateral to the recipient for tactile and visual gestures, whatever the emotional context, gesture duration, recipient's sex or the kin relationship between both interactants, and whether or not a communication tool was used. Signallers' contralateral hand was not preferentially used in any situation. Signallers' right-hand use was more pronounced in negative contexts, in short gestures, when signallers were females and its use increased with age. Our findings showed that gorillas' gestural laterality could be influenced by different types of social pressures thus supporting the theory of the evolution of laterality at the population level. Our study also evidenced that some particular gesture categories are better markers than others of the left-hemisphere language specialization. PMID- 29205084 TI - Relationship between cognitive function and balance in a community-dwelling population in Japan. AB - BACKGROUND: There has been no treatment found yet that cure dementia. Hence it is important to establish the evaluation index of cognitive decline before becoming dementia. OBJECTIVE: The purpose of this study was to clarify the effective balance test indicating early cognitive decline by gender. METHODS: A total of 218 volunteers (60 years of age and above) who participated in the Iwaki promotion health project in 2015 were recruited. We performed three balance tests: one leg standing test, functional reach test and static posturography, and we used mini-mental state examination (MMSE) to investigate cognitive function. RESULTS: As a result of analysis of covariance, there was a statistically significant trend in only men that the more the MMSE score declined, the longer became the path length with both eyes opened and closed. In the result of multiple regression analysis, there was a significant negative association with MMSE score and path length with eyes opened or closed in men. There was no significant association with MMSE scores and balance tests in women. CONCLUSION: The study suggests that static posturography might be a useful balance test to assess early cognitive decline in men. PMID- 29205085 TI - Incidence and survival of sinonasal adenocarcinoma by site and histologic subtype. AB - OBJECTIVE: To determine the incidence and survival of sinonasal adenocarcinoma (SNAC) by subsite and histologic subtype. STUDY DESIGN: Retrospective database review. METHODS: Using the SEER database, we performed a retrospective analysis, identified cases of SNAC diagnosed between 1973 and 2013 and analyzed demographic, histopathology, clinicopathology, and determinants of disease specific survival (DSS). RESULTS: A total of 746 patients with SNAC were identified. Median age at diagnosis was 64 years. Overall incidence was 0.44 per million, and was higher among blacks (O.R.:1.10-2.07:1) and males (O.R.:1.38 2.06:1). Nasal cavity (41.5%) was the most common site, followed by maxillary (26.5%), and ethmoid (17.4%) sinuses. Intestinal-type adenocarcinoma was less likely than Adenocarcinoma not otherwise specified (ANOS) to be found in the maxillary sinus (8.8% vs. 30.6%, p < .05). Surgery alone (48.56%) was the most common treatment modality, followed by surgery and radiotherapy (RT) (32.5%), and RT alone (11.6%). DSS at 5, 10, and 20 years were 63.8%, 57.6%, and 47.0%, respectively. DSS was higher for nasal cavity SNAC, lower grade, lower stage, and those receiving surgery only. CONCLUSIONS: SNAC is more common among men and blacks. Incidence has not changed significantly in the past 40 years. Survival varies with grade, stage, histology, subsite, and treatment. PMID- 29205086 TI - Well-Meaning Dinosaurs: The Most Potent Enemies of Progress Against Aging. PMID- 29205087 TI - Why Actionable Statements Are Needed for Measurement Development. AB - Clinical guidelines are an avenue to improve patient outcomes based on best available clinical evidence. Actionable statements represent the foundation of a clinical guideline and form an important bridge to subsequent performance measurement efforts. PMID- 29205088 TI - Local failure after radical radiotherapy of non-small cell lung cancer in relation to the planning FDG-PET/CT. AB - OBJECTIVES: Local recurrence (rec) in lung cancer is associated with poor survival. This study examined whether the pattern of failure is associated with the most PET avid volume in the planning-FDG-PET/CT scan (p-PET/CT). METHODS: 162 consecutive inoperable NSCLC patients (pts) receiving radiotherapy between January 2012 and April 2014 were reviewed. Radiotherapy was delivered in 2 Gy/fraction (5f/week) to a total dose of 60-66 Gy. Pts were followed with CT scans every third month. Patients with local rec as first event were analyzed. For the primary tumor (T) the overlap-fraction (OF) between 50% of SUVpeak on p PET/CT and the volume of T-rec was calculated: OF = (SUVp50?T-rec)/min(SUVp50, T rec). Similarly for the GTV on the p-CT: OF = (GTV?T-rec)/min(GTV, T-rec). OF was based on a rigid registration between p-PET/CT and rec-CT with PET guided delineation of T- rec. For lymph nodes (LN), the correlation between the location of treated-LN and the location of recurrence-LN was evaluated. RESULTS: 67 patients developed local rec. 51 pts had rec in T-site, 45 pts in LN-site. Due to anatomical changes, reliable registration between p-CT and rec-CT was only obtained in 26 pts with T-rec. The median OFSUVp50 was 52, 8% [range 26; 100%] and the median OFGTV was 80.5% [19.7; 100%]. Eleven pts had higher OFSUVp50 than OFGTV. LN-rec predominantly occurred in the station 2R (32%), 4R (46%), 7 (46%) and right hilum (36%). Pts with malignant LNs in station 4R or 7 on p-CT had a high risk of rec in these stations; 4R (55%) and 7 (83%). CONCLUSIONS: This study indicates that the most PET active volume on p-PET-CT is a driver for rec at T site. LN-recurrences predominantly appear in station 2R, 4R, 7 and right hilum. Additional confirmatory studies regarding lymph node mapping and selective lymph node irradiation is needed. PMID- 29205089 TI - Altered Bioenergetic Profile in Umbilical Cord and Amniotic Mesenchymal Stem Cells from Newborns of Obese Women. AB - Nutritional imbalance and metabolic alterations associated with maternal obesity during pregnancy predispose offspring to obesity and/or to type 2 diabetes, but the mechanisms underlying these effects are still obscure. In this context, we evaluated whether the two main energy-producing pathways (glycolysis and mitochondrial oxidative phosphorylation) are impaired in obesity during pregnancy thus contributing to metabolic intrauterine alterations. Specifically, we studied metabolic abnormalities in the intrauterine life of newborns using stem cells isolated from amnion and umbilical cord (hA- and hUC-MSCs). We isolated, at delivery, neonatal hUC-MSCs from 13 obese (Ob) and 10 normal weight control (Co) women (prepregnancy body mass index >30 and <25 kg/m2, respectively) and hA-MSCs from a subgroup of 3 Ob and 3 Co women. The hUC-MSC immunophenotype was characterized by flow cytometry. The extracellular acidification rate and oxygen consumption rate, which are indicators of glycolysis and mitochondrial respiration, respectively, were measured using the Seahorse XFe96 analyzer. Basal glycolysis (Co: 27.5 +/- 2.9; Ob: 21.3 +/- 2.3 mpH/min) and glycolytic capacity (Co: 65.3 +/- 1.2; Ob: 55.0 +/- 0.3 mpH/min) were significantly lower in Ob-hUC MSCs versus Co-hUC-MSCs (P < 0.05 and P < 0.0001, respectively). Mitochondrial basal respiration (Co: 46.9 +/- 0.7; Ob: 32.6 +/- 0.8 pmol/min), ATP-linked respiration (Co: 29.3 +/- 1.9; Ob: 20.1 +/- 0.3 pmol/min), and maximal respiration (Co: 75.2 +/- 5.3; Ob: 50.5 +/- 4.1 pmol/min) were significantly (P < 0.0001) lower in Ob-hUC-MSCs versus Co-hUC-MSCs. Similarly, bioenergetic profiles of the subgroup of Ob-hA-MSCs differed from those of Co-hA-MSCs. These results demonstrate that the bioenergetic performance of Ob-h-MSCs is lower in basal conditions and in conditions of increased energy demand compared with Co-h-MSCs. In conclusion, we describe a new mechanism whereby obesity alters intrauterine metabolism. This process could concur to predispose offspring to metabolic diseases in adult life. PMID- 29205090 TI - Rapamycin Exacerbates Cardiovascular Dysfunction after Complete High-Thoracic Spinal Cord Injury. AB - Autonomic dysreflexia (AD) is a potentially life-threatening syndrome in individuals with spinal cord injury (SCI) above the T6 spinal level that is characterized by episodic hypertension in response to noxious stimuli below the lesion. Maladaptive intraspinal plasticity is thought to contribute to the temporal development of AD, and experimental approaches that reduce such plasticity mitigate the severity of AD. The mammalian target of rapamycin (mTOR) has gained interest as a mediator of plasticity, regeneration, and nociceptor hypersensitivity in the injured spinal cord. Based on our preliminary data that prolonged rapamycin (RAP) treatment markedly reduces mTOR activity in the cord weeks after high-thoracic (T4) spinal transection, we sought to determine whether RAP could modulate AD development by impeding intraspinal plasticity. Naive and injured rats were administered RAP or vehicle every other day, beginning immediately after injury for four weeks, and hemodynamic monitoring was conducted to analyze the frequency of spontaneously occurring AD, as well as the severity of colorectal distention (CRD) induced AD. Results showed that after SCI, RAP significantly exacerbated sustained body weight loss and caused a marked elevation in resting blood pressure, with average daily blood pressure rising above even normal naive levels within one week after injury. Moreover, RAP significantly increased the frequency of daily spontaneous AD and increased the absolute blood pressure induced by CRD at three weeks post-injury. These dynamic cardiovascular effects were not, however, correlated with changes in the density of nociceptive c-fibers or c-Fos+ neurons throughout the spinal cord, indicating that intraspinal plasticity associated with AD was not altered by treatment. These findings caution against the use of RAP as a therapeutic intervention for SCI because it evokes toxic weight loss and exacerbates cardiovascular dysfunction perhaps mediated by increased peripheral nociceptor sensitivity and/or vascular resistance. PMID- 29205091 TI - Polysomnographic Oxygen Saturation Findings for Preteen Children versus Adolescents. AB - Objective Home oximetry is commonly used to screen for obstructive sleep apnea (OSA) in children; however, normal oxygen desaturation levels by disease severity are not well known. It was our objective to determine if oxygen saturation levels differed by OSA severity category in children and if these differences were similar for preteen children and adolescents. Study Design Retrospective case series of children undergoing polysomnography from September 2011 to July 2015. Setting Tertiary pediatric hospital. Subjects and Methods Six- to 18-year-olds (preteen, 6-12 years old; adolescent, 13-18 years old). Chi-square, Wilcoxon rank sum test, and Kruskal-Wallis testing were used to compare variables between age groups. Results The study included 342 children with a mean age of 11.3 +/- 2.4 years (range, 6.5-17.5) and a mean body mass index of 25.6 +/- 9.2 kg/m2 (78 +/- 29 percentile); 61% were white, 35% were black, and 4% were other or unknown. Of the children, 48% were female, and this was not a significant difference between age groups ( P = .81). Overall, 50% of the children had no OSA, 32% mild, 10% moderate, and 8% severe. When compared with the younger children, the adolescents had a longer sleep time ( P = .014) and a higher mean obstructive apnea-hypopnea index (3.53 +/- 5.1 vs 3.03 +/- 6.1 events per hour, P = .02). The 3% and 4% oxygen desaturation indices were not significantly different between age groups when accounting for OSA severity. Conclusion Adolescents have longer sleep times and higher obstructive apnea-hypopnea indexes than preteens, but oxygen saturations and desaturation indices were similar. This supports current triage algorithms for children with OSA, as we found no significant age-based differences. PMID- 29205092 TI - Biocompatibility of subcutaneously implanted marine macromolecules cross-linked bio-composite scaffold for cartilage tissue engineering applications. AB - There is an intense interest in developing innovative biomaterials which support the invasion and proliferation of living cells for potential applications in tissue engineering and regenerative medicine. Present study demonstrated the in vivo biocompatibility and toxicity of a macromolecules cross-linked biocomposite scaffold composed of hydroxyapatite, alginate, chitosan and fucoidan abbreviated as HACF. The in vivo biocompatibility and toxicity of HACF scaffold were tested by comparing them with those of a biocompatible surgical metal implant (SMI) in a subcutaneous rat model. Following the implantation, animals were sacrificed and the scaffolds were resected at 1st, 4th, and 8th weeks; the surrounding tissue along with the implant was removed to evaluate its biocompatibility. The effects of implanted biomaterial scaffolds on vital organ systems such as liver, kidney, etc., have been studied by hematology and serum biochemistry. The activities of pro-inflammatory marker enzymes such as COX, 5-LOX, 15-LOX, and NOS were normal in rats implanted with HACF scaffold. Hematological parameters, antioxidant and lipid peroxidation status were also found to be normal in implanted rats same as that of control and SMI. The modulatory effect of implanted scaffold over inflammatory and stress signaling cascades were confirmed by the normalized mRNA expressions of NF-kappaB, TNF-alpha and IL-6. The histopathological analysis of liver, kidney and tissue support our results. Taken together, these results demonstrated that HACF biocomposite scaffold signifies its suitability for further research as a scaffold material for cartilage tissue engineering applications. PMID- 29205093 TI - Impact of microbial proteases on biotechnological industries. AB - The demand of enzymes in industrial sectors is increasing rapidly due to their economical and ecological advantages. Micro-organisms produce different types of extracellular enzymes for maintaining their own metabolism, defense, and normal physiological condition. Among several enzymes, proteases have gained special attention in industrial sectors. Several sources of extracellular enzymes are reported by various researchers, but enzymes obtain from microbial sources have high demand in industries due to lower cost, high production rate, availability, stability, and diversity. Among micro-organism, bacteria and fungi are reported to be good sources of different types of proteases such as alkaline protease, cysteine protease, aspartate protease, and metallo protease. In this review, we have summarized the available information about the sources of bacterial and fungal proteases, their purification strategies and their temperature and pH optima. Due to huge competition, companies are trying to reduce their manufacturing cost and that's why microbial sources of enzymes are important. However, genetically engineered strains or engineered proteases have much more importance over natural isolates/protease in industries due to higher production rate and other advantages. Here we have also summarized the important applications of protease in different industries such as, paper mill, starch degrading sector, food processing factories, and detergent making companies. PMID- 29205094 TI - Incidence of Lingual Tonsil Hypertrophy in Adults with and without Obstructive Sleep Apnea. AB - Objectives To characterize the incidence of lingual tonsil hypertrophy (LTH) in adults with and without obstructive sleep apnea (OSA) and to determine any potential correlation between them. Study Design Retrospective chart review. Setting Single-center database, September 2016 to April 2017. Subject and Methods Lingual tonsil grade (LTG) determined by awake endoscopy was collected as well as other physical examination findings, such as Friedman tongue position, palatine tonsil size, and neck circumference. STOP-BANG scores and polysomnography data were collected to characterize OSA. Incidence of clinically meaningful LTH (defined as LTG 3 and LTG 4) was compared between OSA and non-OSA groups. Results Ninety-three patient charts were studied in total. There was no significant difference between patients with and without OSA in the incidence of clinically meaningful LTH (OSA, 13.5%; non-OSA, 14.6%; P = .872). Patients with and without OSA were compared by grade: LTG 1, 13.5% (OSA) vs 35.6% (non-OSA); LTG 2, 73.1% (OSA) vs 48.8% (non-OSA); LTG 3, 13.5% (OSA) vs 14.6% (non-OSA). There were no significant correlations between OSA status and LTG (rho = 0.190, P = .069). Conclusion The incidence of LTH is uncommon, even among those with OSA, and does not seem to differ between patients with and without OSA. Neck circumference appears to be a better clinical indicator than lingual tonsil tissue for the likelihood of a patient having OSA. PMID- 29205095 TI - Lexical-Access Ability and Cognitive Predictors of Speech Recognition in Noise in Adult Cochlear Implant Users. AB - Not all of the variance in speech-recognition performance of cochlear implant (CI) users can be explained by biographic and auditory factors. In normal-hearing listeners, linguistic and cognitive factors determine most of speech-in-noise performance. The current study explored specifically the influence of visually measured lexical-access ability compared with other cognitive factors on speech recognition of 24 postlingually deafened CI users. Speech-recognition performance was measured with monosyllables in quiet (consonant-vowel-consonant [CVC]), sentences-in-noise (SIN), and digit-triplets in noise (DIN). In addition to a composite variable of lexical-access ability (LA), measured with a lexical decision test (LDT) and word-naming task, vocabulary size, working-memory capacity (Reading Span test [RSpan]), and a visual analogue of the SIN test (text reception threshold test) were measured. The DIN test was used to correct for auditory factors in SIN thresholds by taking the difference between SIN and DIN: SRTdiff. Correlation analyses revealed that duration of hearing loss (dHL) was related to SIN thresholds. Better working-memory capacity was related to SIN and SRTdiff scores. LDT reaction time was positively correlated with SRTdiff scores. No significant relationships were found for CVC or DIN scores with the predictor variables. Regression analyses showed that together with dHL, RSpan explained 55% of the variance in SIN thresholds. When controlling for auditory performance, LA, LDT, and RSpan separately explained, together with dHL, respectively 37%, 36%, and 46% of the variance in SRTdiff outcome. The results suggest that poor verbal working-memory capacity and to a lesser extent poor lexical-access ability limit speech-recognition ability in listeners with a CI. PMID- 29205096 TI - Anatomical and Functional Changes to the Colonic Neuromuscular Compartment after Experimental Spinal Cord Injury. AB - A profound reduction in colorectal transit time accompanies spinal cord injury (SCI), yet the colonic alterations after SCI have yet to be understood fully. The loss of descending supraspinal input to lumbosacral neural circuits innervating the colon is recognized as one causal mechanism. Remodeling of the colonic enteric nervous system/smooth muscle junction in response to inflammation, however, is recognized as one factor leading to colonic dysmotility in other pathophysiological models. We investigated the alterations to the neuromuscular junction in rats with experimental high-thoracic (T3) SCI. One day to three weeks post-injury, both injured and age-matched controls underwent in vivo experimentation followed by tissue harvest for histological evaluation. Spontaneous colonic contractions were reduced significantly in the proximal and distal colon of T3-SCI rats. Histological evaluation of proximal and distal colon demonstrated significant reductions of colonic mucosal crypt depth and width. Markers of intestinal inflammation were assayed by qRT-PCR. Specifically, Icam1, Ccl2 (MCP-1), and Ccl3 (MIP-1alpha) mRNA was acutely elevated after T3-SCI. Smooth muscle thickness and collagen content of the colon were increased significantly in T3-SCI rats. Colonic cross sections immunohistochemically processed for the pan-neuronal marker HuC/D displayed a significant decrease in colonic enteric neuron density that became more pronounced at three weeks after injury. Our data suggest that post-SCI inflammation and remodeling of the enteric neuromuscular compartment accompanies SCI. These morphological changes may provoke the diminished colonic motility that occurs during this same period, possibly through the disruption of intrinsic neuromuscular control of the colon. PMID- 29205097 TI - Migraine-Related Aural Fullness: A Potential Clinical Entity. AB - In this case series, we set out to describe the clinical entity of isolated, prolonged aural fullness (AF) and its relationship with migraine. Patients with isolated, persistent AF for 6 months or more were included with all possible etiologies ruled out. Migraine dietary and lifestyle changes and medical migraine prophylactic therapy were prescribed to all. Eleven patients were included (mean age, 52 years). Six (54%) patients fulfilled International Headache Society criteria for migraine with or without aura. Changes in perceived sensation of AF using the visual analog scale and quality of life questionnaires resulted in a statically significant improvement ( P < .001, 95% confidence interval [CI], 4.7 to 6.72, and P < .001, 95% CI, -5.3 to -2.7, respectively). As such, an improvement of isolated, prolonged AF with migraine lifestyle changes and prophylactic treatment may suggest an etiological association between migraine and prolonged aural fullness. PMID- 29205098 TI - Platelet-Derived Growth Factor Receptor-Alpha Expressing Cardiac Progenitor Cells Can Be Derived from Previously Cryopreserved Human Heart Samples. AB - Cardiac progenitor cells (CPCs) are being developed as a promising treatment for heart failure. Although clinical trials have predominantly used donor cardiac biopsies to derive CPCs, a better solution could be to use previously cryopreserved human heart tissue. This would enable timely and convenient access to healthy and young heart samples for CPC production. However, few studies have attempted to isolate CPCs from previously cryopreserved heart tissue. In this study, we isolated CPCs from eight nondiseased human heart samples previously cryopreserved as part of the Sydney Heart Bank. Resulting cells were strongly positive for known fibroblast (DDR2, Vimentin), mesenchymal/CPC (PDGFRalpha, CD90) markers, and for pluripotency genes (SOX2, NANOG, MYC, KLF4), whereas being negative for the pan-hematopoietic marker (CD45). Outgrowth cells from aged hearts had decreased proliferative and self-renewing capacity that correlated with shorter telomere lengths compared with cells from young hearts. No telomerase activity was detected in any cells isolated. Colony-forming assays and fluorescence-activated cell sorting were used to enrich PDGFRalpha+/CD90+/CD31- CPCs. Multipotent potential was confirmed using in vitro differentiation assays with smooth muscle (MYH11+), endothelial cell (vWF+), and cardiomyocyte-like (cTnT+, alpha-actinin+) cell formation. Single cell assays demonstrated clonogenicity of PDGFRalpha+ CPCs with maintenance of prolonged self-renewing capacity (>2 months), and pluripotency gene expression at both early and late culture passages. Our results demonstrate that multipotent PDGFRalpha+ CPCs can be harvested and expanded from previously banked cryopreserved human heart samples. These data support cardiac tissue banking as a strategy for improved access to CPCs for future clinical therapies. PMID- 29205099 TI - Adiponectin-leptin ratio: A promising index to estimate adipose tissue dysfunction. Relation with obesity-associated cardiometabolic risk. AB - Obesity is currently the most extended metabolic disturbance worldwide favoring the development of cardiometabolic alterations such as type 2 diabetes, hypertension, and dyslipidemia. Obesity and the metabolic syndrome (MS) are characterized by an increase in circulating leptin concentrations, in parallel to a decrease in blood levels of adiponectin. Consequently, the adiponectin/leptin ratio has been suggested as a maker of adipose tissue dysfunction. This emerging biomarker correlates with insulin resistance better than adiponectin or leptin alone, or even HOMA and is decreased with increasing number of metabolic risk factors having been proposed as a predictive marker for the MS. Moreover, the adiponectin/leptin ratio is negatively correlated with markers of low-grade chronic inflammation. In this sense, an increase in this ratio has been related with reduced atherosclerosis risk as well as with a decreased risk of some types of cancer in epidemiological studies. In this commentary we propose new cutoffs to estimate obesity- and MS-associated cardiometabolic risk according to the adiponectin/leptin ratio and discuss different therapeutic strategies to increase this promising biomarker of metabolic risk. PMID- 29205101 TI - Corrigendum. PMID- 29205100 TI - Role of Cortical Auditory Evoked Potentials in Reducing the Age at Hearing Aid Fitting in Children With Hearing Loss Identified by Newborn Hearing Screening. AB - Recording of free-field cortical auditory evoked potential (CAEP) responses to speech tokens was introduced into the audiology management for infants with a permanent childhood hearing impairment (PCHI) during 2011-2015 at a U.K. service. Children with bilateral PCHI were studied from two sequential cohorts. Thirty four children had followed an audiology pathway prior to CAEP introduction, and 44 children followed a pathway after the introduction of CAEP and were tested with unaided and aided CAEP responses. Data analysis explored the age of diagnosis, hearing aid fitting, and referral for cochlear implant (CI) assessment for each of these groups. CAEP offered a novel educative process for the parents and audiologists supporting decision-making for hearing aid fitting and CI referral. Delays in hearing aid fitting and CI referral were categorized as being due to the audiologist's recommendation or parental choice. Results showed that the median age of hearing aid fitting prior to CAEP introduction was 9.2 months. After the inclusion of CAEP recording in the infant pathways, it was 3.9 months. This reduction was attributable to earlier fitting of hearing aids for children with mild and moderate hearing losses, for which the median age fell from 19 to 5 months. Children with profound hearing loss were referred for CI assessment at a significantly earlier age following the introduction of CAEP. Although there has also been a national trend for earlier hearing aid fitting in children, the current study demonstrates that the inclusion of CAEP recording in the pathway facilitated earlier hearing aid fitting for milder impairments. PMID- 29205102 TI - CRISPR/Cas9 Editing of the Mouse Thra Gene Produces Models with Variable Resistance to Thyroid Hormone. AB - BACKGROUND: Resistance to thyroid hormone due to THRA mutations (RTHalpha) is a recently discovered genetic disease, displaying important variability in its clinical presentation. The mutations alter the function of TRalpha1, one of the two nuclear receptors for thyroid hormone. METHODS: The aim of this study was to understand the relationship between specific THRA mutations and phenotype. CRISPR/Cas9 genome editing was used to generate five new mouse models of RTHalpha, with frameshift or missense mutations. RESULTS: Like human patients, mutant mice displayed a hypothyroid-like phenotype, with altered development. Phenotype severity varied between the different mouse models, mainly depending on the ability of the mutant receptor to interact with transcription corepressor in the presence of thyroid hormone. CONCLUSION: The present mutant mice represent highly relevant models for the human genetic disease which will be useful for future investigations. PMID- 29205103 TI - Sharpening randomization-based causal inference for 22 factorial designs with binary outcomes. AB - In medical research, a scenario often entertained is randomized controlled 22 factorial design with a binary outcome. By utilizing the concept of potential outcomes, Dasgupta et al. proposed a randomization-based causal inference framework, allowing flexible and simultaneous estimations and inferences of the factorial effects. However, a fundamental challenge that Dasgupta et al.'s proposed methodology faces is that the sampling variance of the randomization based factorial effect estimator is unidentifiable, rendering the corresponding classic "Neymanian" variance estimator suffering from over-estimation. To address this issue, for randomized controlled 22 factorial designs with binary outcomes, we derive the sharp lower bound of the sampling variance of the factorial effect estimator, which leads to a new variance estimator that sharpens the finite population Neymanian causal inference. We demonstrate the advantages of the new variance estimator through a series of simulation studies, and apply our newly proposed methodology to two real-life datasets from randomized clinical trials, where we gain new insights. PMID- 29205104 TI - COUP-TF1 Modulates Thyroid Hormone Action in an Embryonic Stem-Cell Model of Cortical Pyramidal Neuronal Differentiation. AB - BACKGROUND: Thyroid hormone is critical for normal brain development and acts in a spatial and temporal specific pattern. Thyroid hormone excess, or deficiency, can lead to irreversible impairment of brain and sensory development. Chicken ovalbumin upstream-transcription factor 1 (COUP-TF1), expressed early in neuronal development, is essential to achieve normal brain structure. Thyroid hormone stimulation of gene expression is inversely correlated with the level of COUP-TF1 expression. METHODS: An in vitro method of differentiating mouse embryonic stem (mES) cells into cortical neurons was utilized to study the influence of COUP-TF1 on thyroid hormone signaling in brain development. mES cells were cultured and differentiated in specific conditioned media, and a high percentage of nestin positive progenitor neurons in the first stage, and cortical neurons in the second stage, was obtained with characteristic neuronal firing. RESULTS: The number of nestin-positive progenitors, as determined by fluorescence-activated cell sorting analysis, was significantly greater with triiodothyronine (T3) treatment compared to control (p < 0.05). T3 enhanced the expression of cortical neuron marker (Tbr1 and Rc3) mRNAs. After COUP-TF1 knockdown, the number of nestin-positive progenitors was reduced compared to control (p < 0.05), but the number increased with T3 treatment. The mRNA of cortical neuronal gene markers was measured after COUP-TF1 knockdown. In the presence of T3, the peak expression of neuron markers Emx1, Tbr1, Camkiv, and Rc3 mRNA was earlier, at day 18 of differentiation, compared to control cells, at day 22. Furthermore, after COUP TF1 knockdown, T3 induction of Rc3 and Tbr1 mRNA was significantly enhanced compared to cells expressing COUP-TF1. CONCLUSION: These results indicate that COUP-TF1 plays an important role in modulating the timing and magnitude of T3 stimulated gene expression required for normal corticogenesis. PMID- 29205105 TI - Epidemiology: Past, Present, and Future Impacts on Understanding Disease Dynamics and Improving Plant Disease Management-A Summary of Focus Issue Articles. AB - Epidemiology has made significant contributions to plant pathology by elucidating the general principles underlying the development of disease epidemics. This has resulted in a greatly improved theoretical and empirical understanding of the dynamics of disease epidemics in time and space, predictions of disease outbreaks or the need for disease control in real-time basis, and tactical and strategic solutions to disease problems. Availability of high-resolution experimental data at multiple temporal and spatial scales has now provided a platform to test and validate theories on the spread of diseases at a wide range of spatial scales ranging from the local to the landscape level. Relatively new approaches in plant disease epidemiology, ranging from network to information theory, coupled with the availability of large-scale datasets and the rapid development of computer technology, are leading to revolutionary thinking about epidemics that can result in considerable improvement of strategic and tactical decision making in the control and management of plant diseases. Methods that were previously restricted to topics such as population biology or evolution are now being employed in epidemiology to enable a better understanding of the forces that drive the development of plant disease epidemics in space and time. This Focus Issue of Phytopathology features research articles that address broad themes in epidemiology including social and political consequences of disease epidemics, decision theory and support, pathogen dispersal and disease spread, disease assessment and pathogen biology and disease resistance. It is important to emphasize that these articles are just a sample of the types of research projects that are relevant to epidemiology. Below, we provide a succinct summary of the articles that are published in this Focus Issue . PMID- 29205107 TI - Images in Vascular Medicine: Systemic cardiovascular inflammation associated with autoimmune disease. PMID- 29205106 TI - Differential Expression of Cholinergic System Components in Human Induced Pluripotent Stem Cells, Bone Marrow-Derived Multipotent Stromal Cells, and Induced Pluripotent Stem Cell-Derived Multipotent Stromal Cells. AB - The components of the cholinergic system are evolutionary very old and conserved molecules that are expressed in typical spatiotemporal patterns. They are involved in signaling in the nervous system, whereas their functions in nonneuronal tissues are hardly understood. Stem cells present an attractive cellular system to address functional issues. This study therefore compared human induced pluripotent stem cells (iPSCs; from cord blood endothelial cells), mesenchymal stromal cells derived from iPSCs (iPSC-MSCs), and bone marrow-derived MSCs (BM-MSCs) from up to 33 different human donors with respect to gene expressions of components of the cholinergic system. The status of cells was identified and characterized by the detection of cell surface antigens using flow cytometry. Acetylcholinesterase expression in iPSCs declined during their differentiation into MSCs and was comparably low in BM-MSCs. Butyrylcholinesterase was present in iPSCs, increased upon transition from the three-dimensional embryoid body phase into monolayer culture, and declined upon further differentiation into iPSC-MSCs. In BM-MSCs a notable butyrylcholinesterase expression could be detected in only four donors, but was elusive in other patient-derived samples. Different nicotinic acetylcholine receptor subunits were preferentially expressed in iPSCs and during early differentiation into iPSC-MSCs, low expression was detected in iPS-MSCs and in BM MSCs. The m2 and m3 variants of muscarinic acetylcholine receptors were detected in all stem cell populations. In BM-MSCs, these gene expressions varied between donors. Together, these data reveal the differential expression of cholinergic signaling system components in stem cells from specific sources and suggest the utility of our approach to establish informative biomarkers. PMID- 29205108 TI - Contributions of the Hydrophobic Helix 2 of the Bordetella pertussis CyaA hemolysin to Membrane Permeabilization. AB - BACKGROUND: Adenylate cyclase (CyaA) is one of the major virulence factors of Bordetella pertussis that plays a key role in whooping cough pathogenesis. A putative transmembrane helical hairpin (alpha2-loop-alpha3), encompassing residues 529-594 of CyaA hemolysin (CyaA-Hly) domain, was previously proposed to be crucially involved in hemolytic activity against target erythrocytes. OBJECTIVE: The main objective of this study was to gain more insight into membrane permeabilization of this toxin. Membrane-permeabilizing abilities of the purified 130-kDa CyaA-Hly and synthetic peptides corresponding to the helical component of interest, were evaluated. METHODS: Synthetic peptides corresponding to the critical helical component, i.e. alpha2 (W528-G550), alpha3 (G568-R594) and alpha2-loop-alpha3 (W528-R594), were examined on various membrane models in comparison with the purified 130-kDa CyaA-Hly. The peptides were commercially synthesized and the purified toxin was obtained from recombinant plasmid construction and expression in Escherichia coli, followed by purification via immobilized-metal affinity chromatography. Membrane permeabilization or hemolysis of the peptides or the purified toxin were determined by liposomal leakage, hemolysis assays and atomic force microscopy (AFM) imaging. RESULTS: Our results showed that the truncated 130-kDa CyaA-Hly, the synthetic peptides alpha2, alpha3 and the alpha2-loop-alpha3 hairpin exhibited distinct membrane-permeabilizing capacities in different membrane models. We demonstrated that the CyaA-Hly toxin and the peptides, especially the alpha2 peptide, caused nonspecific liposomal leakage as monitored by fluorescence dequenching of sulforhodamine B-loaded lipid vesicles. Notably, alpha2 peptide showed a predominant effect of membrane permeabilization when compared to alpha2-loop-alpha3 hairpin and alpha3 peptides. In addition, AFM imaging demonstrates lipid membrane disruption induced by the CyaA-Hly toxin or the peptidic alpha2-loop-alpha3 hairpin. CONCLUSION: Overall, the study provides the supporting evidence that the putative helical alpha2-loop alpha3 hairpin could interact with the lipid membranes while the helical alpha2 peptide strongly induced liposomal leakage and hemolysis, as compared with the helical alpha3 or the alpha2-loop-alpha3 peptides, suggesting that the helix 2 from the hydrophobic region of CyaA-Hly is a crucial component that contributes to membrane permeabilization. PMID- 29205109 TI - New Treatments for Allergy: Advances in Peptide Immunotherapy. AB - BACKGROUND: Nowadays, allergen-specific immunotherapy (AIT) is the only treatment able to modulate the course of allergic diseases. Although it has been applied for the last 100 years, treatment with whole allergen extracts is not without its drawbacks: AIT can cause local and systemic adverse events and may produce new IgE sensitization against other allergens present in the extract. Furthermore, the lengthy treatment duration (3-5 years), frequent administration, and high cost of treatment are other disadvantages. For these reasons, there is a need for safer and more effective AIT strategies. One promising approach is the use of synthetic peptides representing the B- or T-cell epitopes of allergens. OBJECTIVE: This review summarizes the main advances in peptide immunotherapy, from preclinical models to early clinical trials, focusing on house dust mite, bee venom, cat allergy, and Oleaceae pollinosis. RESULTS: Following an extensive review of the relevant literature, we summarize how peptide therapies may change the course of allergic diseases and promote allergen tolerance, thereby ameliorating the main disadvantages of AIT. Although the molecular mechanisms involved are not yet fully defined, they seem to depend on structure, length, peptide sequence, and route of administration. This novel immunotherapy has been demonstrated to modulate the immune system, promoting regulatory T-cell induction and Th2 inhibition. This tolerance-inducing potential has led this therapy to be termed SPIRE (synthetic peptide immuno-regulatory epitopes). CONCLUSION: Experimental models and clinical trials have demonstrated the usefulness of SPIRE treatment to cure these diseases, opening a new era in allergen therapeutics. PMID- 29205111 TI - A Review on Oral Liquid as an Emerging Technology in Controlled Drug Delivery System. AB - BACKGROUND: The Oral Liquid Drug Delivery System (OLDDS) remains the primary choice of dosage form, though challenging, for the pharmaceutical scientists. In the last two decades, Oral Liquid Controlled Release (OLCR) formulation has gained a lot of attention because of its advantages over the conventional dosage forms. METHOD: The world of nanotechnology has paved multiple ways to administer the drug through oral cavity in liquid dosage form with an additional advantage of control over the release. In the current study, the various approaches towards the same have been discussed comprehensively to understand the different mechanisms of OLCR. CONCLUSION: This review also emphasizes on the existing techniques and the developments that have been made to improve on its efficacy including various formulation related factors. It also provides valuable insights into the role of polymers in the development of OLCR formulation that can be used in the management of Gastroesophageal Reflux Disease (GERD). PMID- 29205112 TI - Ensuring the Consistency of Biosimilars. AB - BACKGROUND: Biological products are subject to constant reappraisal by regulatory agencies and pharmaceutical companies once they have entered the market, since every improvement in their manufacturing process has the potential to alter the basic properties of these molecules. METHODS: Narrative review focusing on scientific literature as well as legal documents from regulatory agencies. RESULTS: Evaluating the impact of each manufacturing change of these drugs requires rigorous analyses in proportion to the anticipated risk of inducing more or less molecular micro-heterogenicity. There are currently more than 30 biosimilars of TNF-alpha blockers at different stages of testing, each with a specific manufacturing process. Although the initial demonstration of biosimilarity is now a well-established exercise, it does not guarantee that successive manufacturing changes will not result in a widening gap between drifted/evolved innovators and drifted/evolved biosimilars, as well as among the different biosimilars of a given original biologic. CONCLUSION: Given the structural complexity of TNF-alpha blockers-as well as of other biologic drugs included in the armamentarium of systemic inflammatory diseases-regulatory agencies should make available to the practitioner, in a simple and constantly updated way, all available data regarding quality standards of both original molecules and biosimilars. Furthermore, they should strive to guarantee that, once a compound has received approval, it maintains a level of consistency throughout its commercial life in order to maintain and increase confidence in these valuable drugs. PMID- 29205110 TI - Peptide Mediated Brain Delivery of Nano- and Submicroparticles: A Synergistic Approach. AB - The brain is a complex, regulated organ with a highly controlled access mechanism: The Blood-Brain Barrier (BBB). The selectivity of this barrier is a double-edged sword, being both its greatest strength and weakness. This weakness is evident when trying to target therapeutics against diseases within the brain. Diseases such as metastatic brain cancer have extremely poor prognosis due to the poor permeability of many therapeutics across the BBB. Peptides can be designed to target BBB receptors and gain access to the brain by transcytosis. These peptides (known as BBB-shuttles) can carry compounds, usually excluded from the brain, across the BBB. BBB-shuttles are limited by poor loading of therapeutics and degradation of the peptide and cargo. Likewise, nano- submicro- and microparticles can be fine-tuned to limit their degradation and with high loading of therapeutics. However, most nano- and microparticles' core materials completely lack efficient targeting, with a few selected materials able to cross the BBB passively. Combining the selectivity of peptides with the high loading potential of nano-, microparticles offers an exciting strategy to develop novel, targeted therapeutics towards many brain disorders and diseases. Nevertheless, at present the field is diverse, in both scope and nomenclature, often with competing or contradictory names. In this review, we will try to address some of these issues and evaluate the current state of peptide mediated nano, microparticle transport to the brain, analyzing delivery vehicle type and peptide design, the two key components that must act synergistically for optimal therapeutic impact. PMID- 29205113 TI - Immobilization techniques applied to the development of biocatalysts for the synthesis of nucleoside analogue derivatives. AB - BACKGROUND: Nucleoside analogue (NAs) derivatives comprise a large family of pharmaceuticals clinically used as antitumoral and antiviral compounds. Originally, the production of NAs involved chemical synthesis, but a greener bioproduction alternative exists and involves the use of enzymes that catalyze transglycosylation reactions between modified purinic or pyrimidinic bases and sugars. To be considered as an option for industrial application, it is vital to immobilize these biocatalysts. METHODS: This article describes current methodologies for whole cell and protein immobilization mostly applied to the synthesis of important NAs. Immobilization describes ways of cell or enzyme confinement in diverse surfaces or matrixes. It is important to be familiar with the variety of matrixes and supports available prior to biocatalyst immobilization so the most adequate can be selected for the purpose sought. RESULTS: From the different articles compiled, it can be acknowledged that the main methods for protein or cell stabilization are immobilization by adsorption, covalent, cross-linking and entrapment. The most widely used matrixes and supports are agar, alginate, polyacrylamide, sepharose derivatives, and acrylic resins, among others. Protein or cell stabilization has the advantage of stabilizing immobilization, favoring their facile separation from the reaction medium for further reuse and also making the purification of the final product easier. Moreover, biocatalyst stabilization allows a facile estimation of the economic cost of the bioprocess and of an eventual scale-up, being a basic requirement for industrial application. CONCLUSION: In order to achieve successful biocatalyst immobilization, parameters such as biocatalyst stability, mechanical resistance, and reusability should be considered. This review describes and summarizes the methods used for the immobilization of biocatalysts for the synthesis of NAs in the last years. PMID- 29205114 TI - The Experience with Biosimilars of Infliximab in Inflammatory Bowel Disease. AB - BACKGROUND: biosimilars are similar versions of existing innovator biologic agents but with distinct manufacturing processes. They were approved in inflammatory bowel disease (IBD) by extrapolation of indication from rheumatic diseases. As regulatory requirements for biosimilar approval focus on pre clinical evidence of similarity rather than clinical data on efficacy, safety and immunogenicity, it is critical to review clinical evidence supporting their use in IBD in order to overcome reluctance from patients and clinicians alike. OBJECTIVE: to review clinical studies using infliximab (IFX) biosimilars in IBD. METHOD: we reviewed PubMed for original articles published up to July 1st 2017, reporting data on efficacy and/or safety of IFX biosimilars in IBD. RESULTS: 23 observational studies were found, 12 of them assessing switch from IFX originator to biosimilar and 17 assessing induction therapy with IFX biosimilar. Efficacy, safety and immunogenicity were compared, generally yielding similar results for originator and biosimilar IFX. So far only one randomized controlled trial assessed switching from originator to biosimilar IFX and it was not powered to show similarity in IBD. Ongoing trials are comparing IFX biosimilar and originator head to head in patients in remission, as well as switch versus reverse-switch. Current IBD clinical guidelines are discussed as well as future perspectives for biosimilars in IBD. CONCLUSION: observational studies seem to confirm biosimilarity in a real-world clinical setting. Current trials are expected to elucidate the remaining doubts about clinical biosimilarity. PMID- 29205115 TI - The Overlap Between Binge Eating Behaviors and Polycystic Ovarian Syndrome: An Etiological Integrative Model. AB - Studies indicate that Polycystic Ovarian Syndrome (PCOS) features (e.g. insulin instability, food cravings, overproduction of androgens and menstrual irregularities) are associated with increased appetite, impaired impulse control and feelings of body dissatisfaction. Counter intuitively, binge eating behaviors have been shown to reinforce PCOS symptomatology, precipitating concurrently body dissatisfaction, weight gain, insulin instability and overproduction of androgens. The present systematic literature review aspires to investigate the relationship between binge eating, in the broader context of eating disorder behaviors, and Polycystic Ovarian Syndrome (PCOS), taking into account shared characteristics between EDs (Eating Disorders) and PCOS. To address this aim, the PRISMA guidelines are adopted. A total of 21 studies, which investigated the presence of binge eating in PCOS population and the presence of PCOS in EDs population, were synthesized. Findings suggested that an increased prevalence of binge eating has been reported in women with Polycystic Ovarian Syndrome (PCOS); and that women suffering from BN (Bulimia Nervosa) and BED (Binge Eating Disorder) are more likely to display polycystic ovaries. Further research on their shared liability is required in order to inform more efficient prevention and treatment initiatives for populations presenting with comorbid features. PMID- 29205116 TI - Antioxidant Activity, alpha-glucosidase Inhibitory Activity and Chemoprotective Properties of Rhododendron brachycarpum Leaves Extracts. AB - BACKGROUND: Rhododendron brachycarpum (RB) is a genus of flowering plants generally used for traditional medicine in Korea to treat hypertension, neuralgia, and sterility. Previous studies have shown that RB extract alleviate inflammation and antimicrobial activity. OBJECTIVE: In this study, the effects of RB and its different fractions (n-hexane, ethyl-acetate and n-butanol) on antioxidant activity, DNA damage prevention and the activity of alpha-glucosidase were studied. RESULTS: The antioxidant ability of RB was investigated in vitro, including that of DPPH-radical and reducing power. As expected, scavenging effect against DPPH-radical of ethyl acetate fraction (IC50 = 17.7 +/- 0.5 ug/ml) of RB had the highest DPPH radical scavenging activity, and it was superior to the positive control, butylated hydroxytoluene (BHT) (IC50 = 80.8 +/- 1.5 ug/ml). And the reducing power of RB was 3.18 at 1.0 mg/ml. Meanwhile, the alpha-glucosidase inhibitory activity and prevention of oxidation stress-induced DNA damage were also highest in the ethyl acetate fraction. Pretreatment of pancreatic beta-cells from Syrian golden hamster (HIT-TI5) with the ethyl acetate fraction at concentrations of 300 ug/ml significantly protected the cells from high glucose induced cell death. CONCLUSION: Our results indicate that ethyl acetate fraction of RB leaves extract has strong antioxidant, alpha-glucosidase, and prevention of DNA damage activities, and furthermore, ethyl acetate fraction significantly protected the cells from high glucose-induced cell death. PMID- 29205117 TI - Characterization of Optimized Functional-Complementary Dual Insulinotorpic Peptide rolGG. AB - BACKGROUND: Glucagon-like peptide-1 (GLP-1) and gastric inhibitory polypeptide (GIP) play a similar but complementary role in the regulation of glucose levels in islet beta-cells. This study was aimed to develop a fusion peptide, which combines 4 tandem repeated GLP-1 and 4 tandem repeated GIP (4rolGG), and to investigate its therapeutic effect on type 2 diabetes using a diabetic mice model. METHODS: A 4rolGG expression plasmid was constructed and expressed in BL21 (DE3). By inducting with IPTG, 4rolGG was expressed at a high level, which was confirmed by SDS-PAGE electrophoresis and Western Blotting. Subsequently, 4rolGG was purified by Ni-NTA affinity chromatography and the purity of 4rolGG was up to 90%. RESULT AND CONCLUSION: After oral administration of 4rolGG for 4 weeks, streptozotocin-induced diabetic mice showed a dramatic reduction in the levels of plasma glucose, GHbA1C, TC and TG, while the insulin levels were increased significantly. PMID- 29205118 TI - Depression and Medication Adherence in Patients on Hemodialysis. AB - BACKGROUND: Depression is highly prevalent in End Stage Renal Disease (ESRD) and is the most common psychiatric disorder in this population. Depression is associated with a lack of adherence to hemodialysis (HD) treatment regimens and increased morbidity and mortality. METHODS: A descriptive secondary correlational analysis of 118 patients on chronic HD was conducted to determine the prevalence of depression and its relationship to adherence to blood pressure (BP) regimens (fluid adherence, HD and BP medication adherence). RESULTS: Approximately 80% of the sample was found to have moderate depression. Depression was found to be significantly related to BP medication nonadherence at baseline (r = .239, p = .01 and at 12 weeks (r = .20, p = .027). CONCLUSION: Given the high prevalence of depression and its association with BP medication nonadherence, patients on chronic HD should be routinely assessed for depression and offered validated treatment regimens. Depression is a modifiable risk factor, and interventions that address depression in conjunction with adherence to BP regimens need to be tested in the HD population. PMID- 29205119 TI - Activity of Rifabutin and Hemi-synthetic Derivatives Against Mycobacterium abscessus. AB - BACKGROUND: Mycobacterium abscessus causes a wide range of clinical diseases that are difficult to treat. This microorganism is resistant not only to the classical antituberculosis agents but also to most of the antimicrobials that are currently available, resulting in limited therapeutic options and treatment failure. This scenario stresses the need to search for new drugs with activity against M. abscessus. OBJECTIVE: To evaluate in vitro the antimycobacterial activity and cytotoxicity of rifabutin (RFB 1) and ten derivatives (2-11) against M. abscessus ATCC 19977. METHOD: The minimum inhibitory concentration (MIC) of the molecules was determined by the microdilution broth method according to the guideline described in CLSI. The toxicity evaluation was carried in 96-well microplates, using the cell line J774A.1 (ATCC TIB-67). RESULT: From the eleven molecules tested, RFB 1 and RFB 4 were the compounds showing higher activities against M. abscessus, with MICs of 0.9 and 1.0 uM, respectively. The R1 and R2 moieties seem to have deciding influence over the final activity. Furthermore, N-oxide derivatives 9, 10, and 11 were also active against M. abscessus, with MICs of 7.2 uM, 1.8 uM and 3.8 uM, respectively. An explanatory hypothesis for the better activities of compounds RFB 1, RFB 4, RFB 10 and RFB 11 considers the likely hydrogen bonding between ligands and receptor, balancing the global flexibility and interaction energies. RFB 1 and its most effective derivatives were found to be not toxic. CONCLUSION: Besides RFB 1, its derivatives 4, 10 and 11 show potential for clinical development in the M. abscessus treatment. PMID- 29205120 TI - Synthesis and in vitro Antioxidant Activity Study of Some Novel Substituted Piperazinyl Flavone Compounds. AB - BACKGROUND: A new series of 13 piperazinyl flavone derivatives has been synthesized and examined for their in vitro antiradical and antioxidant activities in response to the pharmacy industry's increasing demand for new non toxic anti-inflammatory and anticancer drugs. METHOD: Their antioxidant activity was evaluated by the reactive oxygen species (ROS) scavenging assays, 2,2 diphenyl-1-picrylhydrazyl free radical (DPPH*) and 2,2'-azino-bis(3- ethylbenzothiazoline-6-sulphonic acid) radical cation (ABTS+*) scavenging assays, and the ferric reducing antioxidant potency (TAC) method, and was compared to known positive controls, herbal infusions, and penicillins. Chemiluminescence, spectrophotometry, electron spin resonance (ESR) and 5,5-dimethyl-1-pyrroline-1 oxide (DMPO) as the spin trap were the measurement techniques. RESULT: It was seen that synthesized compounds have a wide spectrum of antioxidant property. Some of the test compounds proved to be extremely efficient scavengers of H2O2 exhibiting, in some cases, EC50 of about 2 uM. The values of antioxidant status (TAS) were in the range of 49 +/- 3.9 to 1283 +/- 51.3 uM TE/g (TE = Trolox equivalent) and were lower than that of butylated hydroxytoluene (BHT) (1304 +/- 43.2 uM TE/g) and green tea (1356 +/- 40.0 uM TE/g), but for several synthesized compounds, they were higher than chamomille infusion and penicillins. Ferric reducing antioxidant powers (TAC) for the piperazinyl flavone derivatives were in the range 7 +/- 0.5 to 104 +/- 0.6 uM TE/g and were weaker than that of BHT (217 +/- 5.3 uM TR/g ). CONCLUSION: Carboxylic or hydroxamic acid substituted piperazinyl flavones are potentially active as antioxidants, thus may be suggested as pharmacologically interesting ones. PMID- 29205121 TI - Synthesis and Structure-Activity Relationship; Exploration of some Potent Anti Cancer Phenyl Amidrazone Derivatives. AB - BACKGROUND: Amidrazones have been reported to have significant anti-tumor properties against several cancer cell lines. OBJECTIVES: The current project aims to profile the structure-anticancer activity relationship of phenyl amidrazons. METHODS: Fifteen phenyl-amidrazone-piperazine derivatives were prepared and tested against four cancer cell lines (leukemia, prostate, breast and colon cancers). RESULTS: Six compounds illustrated low micromolar anticancer IC50 values, while the remaining compounds were either inactive or of moderate potencies. All compounds were virtually nontoxic against normal fibroblast cells. CONCLUSION: Docking into the oncogenic kinase bcr/abl illustrated the critical importance of (i) phalogen substituent on the ligand's phenyl ring and (ii) the presence of positive ionizable moiety at the ligand's piperazine fragment for anticancer activity. PMID- 29205122 TI - PARP Inhibitors in Epithelial Ovarian Cancer. AB - BACKGROUND: Ovarian cancer remains the most common lethal gynecologic malignancy. The therapeutic gains with the use of traditional cytotoxic chemotherapy in advanced stage disease remain limited, reflecting the need for novel therapies. Poly(ADP-ribose) polymerase (PARP) inhibitors have recently demonstrated a significant therapeutic effect in patients with recurrent, high grade serous ovarian cancer, both in the treatment of existing disease and in prolonging the disease-free interval. OBJECTIVE: The purpose of this article is to discuss PARP inhibitor use in patients with advanced stage ovarian cancer, and to extensively review the existing clinical literature and related patents. METHODS: A comprehensive PUBMED literature review was conducted to identify all published phase 2 and phase 3 clinical trials involving PARP inhibitors in advanced epithelial ovarian cancer. Further, several patents related to PARP inhibitor use, companion diagnostic tests, and the development of biomarkers to predict PARP inhibitor responsiveness are described. RESULTS: PARP inhibitors have demonstrated significant clinical activity in both BRCA deficient and wild-type patient cohorts, with all three FDA-approved PARP inhibitors demonstrating efficacy irrespective of BRCA mutation status in patients with advanced epithelial ovarian cancer. CONCLUSION: PARP inhibitors have emerged as an exciting new drug class in the treatment of epithelial ovarian cancer. Ongoing studies are aimed at improving our ability to identify ideal candidates for PARP inhibitor therapy, as well as to identify and target mechanisms of drug resistance, and novel combinatorial approaches. PMID- 29205123 TI - Neuronal traffic signals in tardive dyskinesia: not enough "stop" in the motor striatum. AB - Tardive dyskinesia is a disturbance in the balance between dopamine receptor stimulation and dopamine receptor blockade in the motor striatum, with hypothetically too much stimulation of supersensitive D2 receptors, resulting in "don't stop" signaling to motor output. PMID- 29205124 TI - Shewanella carassii sp. nov., isolated from surface swabs of crucian carp and faeces of a diarrhoea patient. AB - Two strains, 08MAS2251T and LZ2016-166, were isolated from diverse samples in China collected from the surface of crucian carp and the faeces of a diarrhoea patient, respectively. Both strains were pink-orange coloured, Gram-negative, oxidase- and catalase-positive, facultative anaerobic and motile bacteria, produced H2S and reduced nitrates to nitrites. Growth occurred in the presence of 0-9 % (w/v) NaCl and at 10-42 degrees C. The optimum conditions were with 1 % (w/v) NaCl and at 35 degrees C. The phylogenetic tree of 16S rRNA gene demonstrated that strains 08MAS2251T and LZ2016-166 clustered in a distinctive clade next to the species Shewanella chilikensis JC5T within the genus Shewanella. Meanwhile, gyrB gene sequence analysis indicated that the two strains formed an independent branch that was clearly separate from all the other Shewanella species with sequence similarities from 68.49 to 95.74 %. The DNA G+C content of strain 08MAS2251T was 52.68 mol%. Genomic relatedness of in silico DNA DNA hybridization between strain 08MAS2251T and phylogenetic neighbours ranged from 50.5-51.8 %, below the cutoff of 70 %. In addition, corresponding average nucleotide identity values were between 93.01 to 93.49%, which were lower than 95 % threshold. The major fatty acids of strain 08MAS2251T were C17 : 1omega8c (27.2 %), iso-C15 : 0 (22.5 %), summed feature 3 (C16 : 1omega6c and/or C16 : 1omega7c; 8.7 %), C16 : 0 (6.2 %), iso-C13 : 0 (5.6 %) and C17 : 0 (4.5 %). Based on phenotypic and genetic analysis, strains 08MAS2251T and LZ2016-166 are identified as a novel species of the genus Shewanella, for which the name Shewanellacarassii sp. nov. is proposed. The type strain is 08MAS2251T (=DSM 104682T=CGMCC 1.16033T). PMID- 29205125 TI - Sphingopyxis nepalensis sp. nov., isolated from oil-contaminated soil. AB - During a study of oil-degrading bacteria, three yellow-coloured, Gram-stain negative, non-motile and rod-shaped bacteria, designated strains Ktm-14T, Ktm-17 and Ktm-18, were isolated from oil-contaminated soil of Biratnagar, Morang, Nepal. The strains were able to grow at 15-37 degrees C, pH 4.5-10.0 and 0-2 % (w/v) NaCl concentration. Strains Ktm-14T, Ktm-17 and Ktm-18 were characterized by multiple taxonomic approaches. Based on 16S rRNA gene sequence analysis, strains Ktm-14T, Ktm-17 and Ktm-18 belonged to the genus Sphingopyxis and shared highest sequence similarity with Sphingopyxis ginsengisoliGsoil 250T (98.94 %). The only respiratory quinone was ubiquinone-10 and the predominant polyamine was spermidine. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine, phosphatidylmonomethylethanolamine and sphingoglycolipids. The predominant fatty acids were C17 : 1omega6c, summed feature 8 (C18 : 1omega7c and/or C18 : 1omega6c), summed feature 3 (C16 : 1omega7c and/or C16 : 1omega6c) and C16 : 0. The DNA G+C content values of strains Ktm-14T, Ktm-17 and Ktm-18 were 65.8, 65.9 and 65.6 mol%, respectively. The DNA-DNA relatedness between Ktm-14T and Ktm-17 and Ktm-18 were higher than 70 % but with closely related reference strains were less than 40 %. The morphological, physiological, chemotaxonomic and phylogenetic analyses clearly distinguished strain Ktm-14T from its closest phylogenetic neighbours. Thus, strain Ktm-14T represents a novel species of the genus Sphingopyxis, for which the name Sphingopyxisnepalensis sp. nov. is proposed. The type strain is Ktm-14T (=KEMB 9005-694T=KACC 19389T=JCM 32250T), and strains Ktm 17 and Ktm-18 represent two additional strains. PMID- 29205126 TI - Description of Klebsiella grimontii sp. nov. AB - Strains previously identified as Klebsiella oxytocaphylogroup Ko6 were characterized by rpoB, gyrA and rrs gene sequencing, genome-sequence based average nucleotide identity analysis and their biochemical characteristics. rpoB and gyrA sequencing demonstrated that the Ko6 strains formed a well-demarcated sequence cluster related to, but distinct from, Klebsiella oxytoca (which includes strains previously labelled as K. oxytocaphylogroup Ko2) and Klebsiella michiganensis (Ko1). The average nucleotide identity values of Ko6 with K. oxytoca and K. michiganensis were 91.2 and 93.47 %, respectively. The inability to metabolize melezitose differentiated most of the Ko6 strains from K. oxytoca and K. michiganensis. Based on its genetic and phenotypic characteristics, we propose the name Klebsiella grimontii for the Ko6 sequence cluster, with strain 06D021T (=CIP111401T, DSM 105630T) as the type strain. Strains of Klebsiella grimontii were isolated from human blood cultures, wound infections, antibiotic associated haemorrhagic colitis and faecal carriage. PMID- 29205127 TI - Phylogenomic analysis of the species of the Mycobacterium tuberculosis complex demonstrates that Mycobacterium africanum, Mycobacterium bovis, Mycobacterium caprae, Mycobacterium microti and Mycobacterium pinnipedii are later heterotypic synonyms of Mycobacterium tuberculosis. AB - The species within the Mycobacterium tuberculosis Complex (MTBC) have undergone numerous taxonomic and nomenclatural changes, leaving the true structure of the MTBC in doubt. We used next-generation sequencing (NGS), digital DNA-DNA hybridization (dDDH), and average nucleotide identity (ANI) to investigate the relationship between these species. The type strains of Mycobacterium africanum, Mycobacterium bovis, Mycobacterium caprae, Mycobacterium microti and Mycobacterium pinnipedii were sequenced via NGS. Pairwise dDDH and ANI comparisons between these, previously sequenced MTBC type strain genomes (including 'Mycobacterium canettii', 'Mycobacterium mungi' and 'Mycobacterium orygis') and M. tuberculosis H37RvT were performed. Further, all available genome sequences in GenBank for species in or putatively in the MTBC were compared to H37RvT. Pairwise results indicated that all of the type strains of the species are extremely closely related to each other (dDDH: 91.2-99.2 %, ANI: 99.21-99.92 %), greatly exceeding the respective species delineation thresholds, thus indicating that they belong to the same species. Results from the GenBank genomes indicate that all the strains examined are within the circumscription of H37RvT (dDDH: 83.5-100 %). We, therefore, formally propose a union of the species of the MTBC as M. tuberculosis. M. africanum, M. bovis, M. caprae, M. microti and M. pinnipedii are reclassified as later heterotypic synonyms of M. tuberculosis. 'M. canettii', 'M. mungi', and 'M. orygis' are classified as strains of the species M. tuberculosis. We further recommend use of the infrasubspecific term 'variant' ('var.') and infrasubspecific designations that generally retain the historical nomenclature associated with the groups or otherwise convey such characteristics, e.g. M. tuberculosis var. bovis. PMID- 29205128 TI - Antarcticibacterium flavum gen. nov., sp. nov., isolated from marine sediment. AB - A Gram-stain-negative, strictly aerobic, yellow-pigmented, non-gliding, oval to rod-shaped bacterial strain, designated JB01H24T, belonging to the family Flavobacteriaceae, was isolated from marine surface sediment collected from the Ross Sea, Antarctica. Strain JB01H24T grew at 4-40 degrees C (optimum 25-30 degrees C), pH 7.0-9.0 (optimum 7.5-8.0), and in the presence of 0-8 % NaCl (optimum 3 %, w/v). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain JB01H24T formed an independent linkage within the family Flavobacteriaceae and was closely related with the genus Gillisia. Strain JB01H24T exhibited 16S rRNA gene sequence similarities of 95.3-91.5 % and 94.9 94.0 % to the type strains of the genera Gillisia and Salinimicrobium, respectively. The major fatty acids (>5 %) were iso-C15 : 0, summed feature 3 (C16 : 1omega6c and/or C16 : 1omega7c), anteiso-C15 : 0, iso-C15 : 1 G and summed feature 9 (iso-C17 : 1omega9c and/or 10-methyl C16 : 0). The major polar lipids were phosphatidylethanolamine, seven unidentified lipids, two unidentified aminolipids and an unidentified aminophospholipid. Strain JB01H24T contained menaquinone-6 as the only ubiquinone. The DNA G+C content was 42.4 mol%. On the basis of phylogenetic, physiological and chemotaxonomic properties, strain JB01H24T is considered to represent a novel species of a new genus within the family Flavobacteriaceae, for which the name Antarcticibacterium flavum gen. nov., sp. nov. is proposed. The type strain of Antarcticibacterium flavum is JB01H24T (=GDMCC 1.1229T=KCTC 52984T). PMID- 29205129 TI - Dissimilar pigment regulation in Serpula lacrymans and Paxillus involutus during inter-kingdom interactions. AB - Production of basidiomycete atromentin-derived pigments like variegatic acid (pulvinic acid-type) and involutin (diarylcyclopentenone) from the brown-rotter Serpula lacrymans and the ectomycorrhiza-forming Paxillus involutus, respectively, is induced by complex nutrition, and in the case of S. lacrymans, bacteria. Pigmentation in S. lacrymans was stimulated by 13 different bacteria and cell-wall-damaging enzymes (lytic enzymes and proteases), but not by lysozyme or mechanical damage. The use of protease inhibitors with Bacillus subtilis or heat-killed bacteria during co-culturing with S. lacrymans significantly reduced pigmentation indicating that enzymatic hyphal damage and/or released peptides, rather than mechanical injury, was the major cause of systemic pigment induction. Conversely, no significant pigmentation by bacteria was observed from P. involutus. We found additional putative transcriptional composite elements of atromentin synthetase genes in P. involutus and other ectomycorrhiza-forming species that were absent from S. lacrymans and other brown-rotters. Variegatic and its precursor xerocomic acid, but not involutin, in return inhibited swarming and colony biofilm spreading of Bacillus subtilis, but did not kill B. subtilis. We suggest that dissimilar pigment regulation by fungal lifestyle was a consequence of pigment bioactivity and additional promoter motifs. The focus on basidiomycete natural product gene induction and regulation will assist in future studies to determine global regulators, signalling pathways and associated transcription factors of basidiomycetes. PMID- 29205130 TI - Impact of stress on the gut microbiome of free-ranging western lowland gorillas. AB - Exposure to stressors can negatively impact the mammalian gastrointestinal microbiome (GIM). Here, we used 454 pyrosequencing of 16S rRNA bacterial gene amplicons to evaluate the impact of physiological stress, as evidenced by faecal glucocorticoid metabolites (FGCM; ng/g), on the GIM composition of free-ranging western lowland gorillas (Gorilla gorilla gorilla). Although we found no relationship between GIM alpha diversity (H) and FGCM levels, we observed a significant relationship between the relative abundances of particular bacterial taxa and FGCM levels. Specifically, members of the family Anaerolineaceae (rho=0.4, FDR q=0.01), genus Clostridium cluster XIVb (rho=0.35, FDR q=0.02) and genus Oscillibacter (rho=0.35, FDR q=0.02) were positively correlated with FGCM levels. Thus, while exposure to stressors appears to be associated with minor changes in the gorilla GIM, the consequences of these changes are unknown. Our results may have implications for conservation biology as well as for our overall understanding of factors influencing the non-human primate GIM. PMID- 29205131 TI - Gramella antarctica sp. nov., isolated from marine surface sediment. AB - A Gram-stain-negative, aerobic, yellow-coloured, motile by gliding, rod-shaped bacterial strain, designated R17H11T, was isolated from surface sediment collected from the Ross Sea, Antarctica. Growth optimally occurred at 25-30 degrees C, at pH 7.0-7.5 and in the presence of 3 % NaCl (w/v). Phylogenetic trees based on 16S rRNA gene sequences indicated that strain R17H11T clustered together with Gramella flava JLT2011T and fell within the genus Gramella. Strain R17H11T shared the highest 16S rRNA gene similarities (96.1 and 96.0 %) with the type strains of Gramella forsetii and G. flava, and 92.6-95.5 % similarities with those of other known Gramella species. Strain R17H11T contained menaquinone-6 as the only isoprenoid quinone. The major fatty acids (>5 %) were summed feature 3 (17.5 %, comprising C16 : 1omega7c and/or C16 : 1omega6c), iso-C15 : 0 (14.0 %), summed feature 9 (11.8 %, comprising 10-methyl C16 : 0 and/or iso-C17 : 1omega9c), iso-C17 : 0 3-OH (11.8 %), iso-C16 : 0 (7.4 %), C17 : 1omega6c (6.9 %) and anteiso-C15 : 0 (5.1 %). The major polar lipids were phosphatidylethanolamine, four unidentified lipids, an unidentified aminolipid, an unidentified aminophospholipid and an unidentified glycolipid. The DNA G+C content of strain R17H11T was 38.6 mol%. On the basis of the phylogenetic, physiological and chemotaxonomic characteristics, strain R17H11T represents a novel species in the genus Gramella, for which the name Gramellaantarctica sp. nov. is proposed. The type strain of the novel species is R17H11T (=GDMCC 1.1208T=KCTC 52925T). PMID- 29205132 TI - Stakelama algicida sp. nov., novel algicidal species of the family Sphingomonadaceae isolated from seawater. AB - We conducted a taxonomic study of two algicidal bacteria, designated strains Yeonmyeong 1-13T and Yeonmyeong 1-11, isolated from seawater off Geoje Island in the South Sea, Republic of Korea. The two novel strains were yellow-pigmented, halotolerant, Gram-stain-negative, strictly aerobic, non-spore-forming, rod shaped bacteria. Both strains were able to grow at 5-39 degrees C, pH 5.0-10.0 and 0-11 % (w/v) NaCl concentration. Based on the 16S rRNA gene sequence analysis, strains Yeonmyeong 1-13T and Yeonmyeong 1-11 belonged to the genus Stakelama and are closely related to Stakelama pacifica JLT832T (98.37% and 98.22 % sequence similarity, respectively). The pairwise sequence similarity between strains Yeonmyeong 1-13T and Yeonmyeong 1-11 was observed to be 99.50 %. In both strains, the only respiratory quinone was ubiquinone-10; the major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine and sphingoglycolipid; the major fatty acids were C18 : 1omega7c, C16 : 0 and C14 : 0 2-OH. DNA G+C content values of strains Yeonmyeong 1-13T and Yeonmyeong 1-11 were 65.1% and 64.9 mol%, respectively. The DNA-DNA relatedness between Yeonmyeong 1-13T and S. pacifica DSM 25059T was 28.7 %, which falls below the threshold value of 70 % for the strain to be considered as novel. The morphological, physiological, chemotaxonomic and phylogenetic analyses clearly distinguished strain Yeonmyeong 1-13T from its closest phylogenetic neighbours. Thus, strains Yeonmyeong 1-13T and Yeonmyeong 1-11 represent a novel species of the genus Stakelama, for which the name Stakelama algicida sp. nov. is proposed. The type strain is Yeonmyeong 1-13T (=KEMB 9005-324T=JCM 31498T). PMID- 29205133 TI - Pontibacter brevis sp. nov., isolated from rhizosphere soil of Tamarix ramosissima. AB - A Gram-stain-negative, oval-shaped and light pink pigmented bacterium, designated XAAS-2T, was isolated from rhizosphere soil of Tamarix ramosissima. The sole respiratory quinone of the type strain XAAS-2T was MK-7, and the principal cellular fatty acids were summed feature 4 (iso-C17 : 1 I and/or anteiso-C17 : 1 B) and iso-C15 : 0. The major polar lipids were phosphatidylethanolamine and two unidentified lipids. 16S rRNA gene sequence analysis indicated that strain XAAS 2T belonged to the genus Pontibacter within the family Cytophagaceae with sequence similarities of 93.9-97.1 % to other type species of the genus Pontibacter and to Pontibacter xinjiangensis CCTCC AB 207200T as the closest neighbour. The DNA G+C content of strain XAAS-2T was 50.6 mol%. The level of DNA DNA relatedness of XAAS-2T and P. xinjiangensis CCTCC AB 207200T was 47.5 % (sd=3.27). Phenotypic and genotypic data suggested that strain XAAS-2T represents a novel species of the genus Pontibacter, for which the name Pontibacterbrevis sp. nov. is proposed, with the type strain XAAS-2T (=CCTCC AB 2016135T=JCM 31443T). PMID- 29205134 TI - The C-terminal part of the human cytomegalovirus terminase subunit pUL51 is central for terminase complex assembly. AB - The cleavage and packaging of the human cytomegalovirus (HCMV) genome is accomplished by the viral terminase, comprising pUL56 and pUL89, and the recently identified pUL51 subunit. Since knowledge about pUL51 is scarce, we aimed at identifying pUL51 domains that are important for terminase assembly. In silico analysis suggested that the N-terminal half of pUL51 is intrinsically disordered, and that alpha-helices are present in the C-terminal part. Linker-scanning mutagenesis of pUL51 in the context of the viral genome revealed that amino acid insertions into the predicted alpha-helices are not compatible with viral growth, whereas upon mutagenesis of the putatively disordered parts interaction with pUL56 and pUL89 was retained and viral progeny was produced. Replacement of pUL51 with the closely related M51 protein of mouse cytomegalovirus did not lead to viable virus, indicating that M51 cannot substitute for pUL51, and swapping the M51 and UL51 N- and C-termini demonstrated the critical role of the pUL51 C terminal part in building the terminase complex. Notably, the pUL51 C-terminus alone turned out to be sufficient to enable terminase assembly, its nuclear localization and plaque formation. Using HCMV mutants expressing differently tagged pUL51 versions, we did not detect oligomerization of pUL51, as has been proposed for the pUL51 orthologues of other herpesviruses. These data provide an insight into the interaction of pUL51 with the other two terminase components, and provide the basis for unravelling the mode of action of novel antiviral drugs targeting the HCMV terminase. PMID- 29205135 TI - A hemin auxotrophic Enterobacter cloacae clinical isolate with increased resistance to carbapenems and aminoglycosides. AB - Small-colony variants (SCVs) were obtained from an Enterobacter cloacae clinical isolate in Okinawa, Japan. One variant showed auxotrophy for hemin with a deletion of 20 365 nucleotides, dosC-ydiK-mmuP-mmuM-tauA-tauB-tauC-tauD-hemB-yaiT yaiV-ampH-yddQ-sbmA-yaiW-yaiY-yaiZ, including hemB, and was more resistant to aminoglycosides and carbapenems, but more susceptible to aztreonam, than the parent strain. PMID- 29205136 TI - Vicingus serpentipes gen. nov., sp. nov., a new member of the Flavobacteriales from the North Sea. AB - A new member of the Flavobacteriales was isolated from the surface of a stone collected on the German North Sea shore. The bacterium, strain ANORD5T, is a mesophilic, chemoheterotrophic aerobic, typical marine bacterium. Optimal growth was observed at 20-30 degrees C, pH 7.0-8.5 and 1-2 % sea salt. The 16S rRNA gene sequence revealed a distant relationship with the representatives of the Cryomorphaceae, with less than 90 % sequence similarity. Strain ANORD5T forms a cluster together with Owenweeksia hongkongensis UST20020801T (89.9 %), Cryomorpha ignava 1-22T (87.9 %), Luteibaculum oceani CC-AMWY-103BT (88.1 %) and Phaeocystidibacter luteus PG2S01T (87.3 %). Strain ANORD5T has a low DNA G+C content (31 mol%). Based on morphological, physiological and phylogenetic data, strain ANORD5T is considered a type strain of a new species and a new genus of the family Cryomorphaceae for which the name Vicingus serpentipes is proposed. The type strain is ANORD5T (=NCIMB 15042T=DSM 103558T=MTCC 12686T). PMID- 29205137 TI - Maribius pontilimi sp. nov., isolated from a tidal mudflat. AB - A novel marine Gram-negative bacterium, designated strain GH1-23T, was isolated from a tidal mudflat sample collected at Dongmak seashore on Gangwha Island, Republic of Korea and its taxonomic position was determined through a polyphasic investigation. The bacterium was strictly aerobic, chemoheterotrophic, catalase- and oxidase-positive, consisted of non-motile rods and grew optimally at 30 degrees C, pH 7 and 1 % NaCl. The predominant cellular fatty acids were C18 : 1omega7c and cyclo-C19 : 0omega8c. The major isoprenoid quinone was Q-10. The major polar lipids were phosphatidylglycerol, a phosphoglycolipid and an aminolipid. Comparative 16S rRNA gene sequence analysis revealed that the isolate was closely related to members of the genus Maribius. The highest 16S rRNA gene sequence similarity was found to be 97.5 % to Maribius salinus followed by 97.4 % to Maribius pelagius; levels of 16S rRNA gene sequence similarity between the novel strain and other representatives of family Rhodobacteraceae were <95.5 %. The DNA G+C content was 66.7 mol % and DNA-DNA relatedness values with the type strains of species of the genus Maribius were 33-39 %. Based on combined data from a polyphasic investigation, strain GH1-23T (=KCTC 52957T=DSM 104950T) represents a novel species of the genus Maribius, for which the name Maribius pontilimi sp. nov. is proposed. PMID- 29205138 TI - Virulence genes in isolates of Klebsiella pneumoniae from the UK during 2016, including among carbapenemase gene-positive hypervirulent K1-ST23 and 'non hypervirulent' types ST147, ST15 and ST383. AB - PURPOSE: Klebsiella pneumoniae is a concern because of its multidrug resistance and the ability of hypervirulent types, especially capsular type K1-clonal complex 23 (K1-CC23), to cause community-acquired, life-threatening infections. Hypervirulent types carry an array of virulence genes including rmpA/rmpA2, coding for capsule up-regulation. We sought to identify isolates carrying these elements among submissions to the UK national reference laboratory during 2016. METHODOLOGY: Virulence elements and carbapenemase genes were sought by PCR or from whole genome sequences. Isolates were typed by variable number tandem repeat analysis or by multi locus sequence typing from whole genome sequences. Long read nanopore sequencing was carried out on two isolates.Results/Key findings. Twelve of 1090 isolates (1.1 %) belonged to hypervirulent K1-CC23, with one carrying blaOXA-48 (KpvST23L_OXA-48). A further 24 rmpA/rmpA2-positive isolates were detected: eight belonged to hypervirulent types of capsular types K2 and K54; and 14 belonged to 'non-hypervirulent' ST147, ST15 and ST383 and also carried carbapenemase gene(s). Virulence, heavy metal and antibiotic resistance gene contents were compared from whole genome sequences of KpvST23L_OXA-48 and one of the ST147 isolates carrying blaNDM-1. They carried 94/96 and 26/96 of the virulence genes sought, and 23/23 and 9/23 of the heavy metal resistance genes, respectively. In the ST147 isolate, rmpA/rmpA2 and the aerobactin siderophore cluster were on a large virulence plasmid together with resistance genes. The yersiniabactin cluster was widely present among carbapenemase gene-positive isolates, including among those that were rmpA/rmpA2-negative. CONCLUSION: Our results highlight a combination of virulence and resistance genes, which could lead to untreatable invasive infections. PMID- 29205139 TI - A neurological disease on the face of an ancient Roman sculpture. PMID- 29205140 TI - Autologous fat transplantation for secondary breast reconstruction: our experience. AB - BACKGROUND: Autologous fat transplantation is used after breast reconstruction to improve the breast profile. There are a variety of different methods used for fat harvesting, preparation, and reinjection. This study describes the specific techniques we used in this series of autologous fat transplantations in breast reconstruction patients and reports their outcomes compared with other studies in the literature. PATIENTS AND METHODS: At the University Hospital of Parma between May 2012 and December 2016, we performed 53 autologous fat transplantations for secondary breast reconstruction patients with an average age of 49 years (range: 34-65 y). A tumescent fluid (NaCl, epinephrine, and a local anaesthetic) was injected, and the lipoaspirate was harvested using a closed aspiration-injection system connected to a 50 ml syringe, a 4 mm infiltration cannula, and a -650 mmHg vacuum. The average amount of lipoaspirate obtained was 100 ml (range: 50-200 ml). Centrifugation of the lipoaspirate (3000 rpm for 3 min) was performed to isolate the adipose tissue (average amount obtained, 80 ml; range: 30-180 ml). Under local anaesthesia, the retrograde injection of thin layers of fat graft in multiple tunnels was performed in the subcutaneous and/or subglandular planes. RESULTS: Average follow-up was six months. Comparable to other studies, our complication rate was 7.4% (n = 4/53) and included cyst formation at the injection site (n = 1/53) and hematoma at the donor site (n = 3/53). Repeat fat grafting was performed in 28.3% of patients (n = 15/53) due to fat graft resorption. CONCLUSIONS: Autologous fat transplantation is a useful procedure for correcting irregularities in the breast contour in secondary breast reconstruction. PMID- 29205141 TI - Deep spinal infection in instrumented spinal surgery: diagnostic factors and therapy. AB - AIM: Postoperative surgical site infections (SSI) are complication of spinal surgery. These complications may lead to a poor outcome with neurological deficits, spinal deformity and chronic pain. The purpose of this study is to explore the statistical value of diagnostic parameters and the proper therapy. METHOD: We retrospectively reviewed 550 patients who underwent spinal instrumentation at our department from January 2011 to December 2015. The SSI was present in 16 patients out of 550 operated. Diagnostic criteria of SSI were the positivity of the surgical wound swab or blood culture, the clinical findings, positivity of laboratory tests and radiological elements. All patients had peri operative antibiotic prophylaxis. Diagnostic laboratory findings were compared with a homogeneous control group of 16 patients and analyzed by univariate statistical analysis with Chi-square test for the discrete variables. P<0,05 was considered statistically significant. RESULTS: Matching the SSI patients with a group of control, fever was not statistically significant for diagnosis as number of leukocytes, neutrophils and lymphocytes. On the contrary values of ESR and CRP were statistically significant with p <0, 01. The hardware was removed only in 3 patients (18%) out of 16 SSI patients. CONCLUSION: In this study the statistically significant parameters to diagnose SSI are ESR and CRP values. The leucocytes count, number of lymphocytes and presence of fever integrates the data of ESR and CRP with no statistical significance. Most patients with SSI reach clinical healing with favorable outcome by means of target antibiotic therapy without hardware removal. PMID- 29205142 TI - Necrotizing fasciitis associated with primary cutaneous B-cell lymphoma. A case report. AB - : Necrotizing fasciitis is a rapidly progressive and life-threatening infection of the deeper skin layers and subcutaneous tissues that moves along the facial planes. OBJECTIVES: We present the rare case of a patient with necrotizing fasciitis associated with high malignancy b-cell lymphoma. Our purpose is to investigate the probable connection between the two pathologies and evaluate the importance of early surgical intervention. CASE REPORT: 51-year old Caucasian woman presented at the E.R. with history of a painful left thigh over a week and fever up to 38,4 degrees C over the last three days. Necrosis of the soft tissues and fascial planes were observed clinically. After the initial treatment and due to the patient's multiple organ dysfunction (septic shock), she was transferred to the ICU were she was intubated resuscitated with IV fluids and given IV antibiotics. 24 hours after the admission it was decided that the patient should undergo surgery and an extensive debridement of the necrotic area was performed. The antibiogram of the blood culture revealed streptococcus pyogenes and she was administered penicillin while intubated and monitored in the ICU until the seventh postoperative day. On the eighth post-day she was transferred back to the surgical department, hemodynamically normal and stable. She was discharged one month later and she was referred to a plastic surgery center for the final reconstruction surgery. CONCLUSIONS: This case highlights that the high index of suspicion and the early aggressive surgical intervention seems to be very critical to improve survival of the patients with necrotizing fasciitis. PMID- 29205143 TI - Epidural abscess imitating recurrent pilonidal sinus: a case report. AB - Pilonidal sinus or pilonidal cyst is a common benign disease, affecting mostly young working men. We present the first case of an epidural abscess imitating pilonidal sinus. A 33-year old male, suffering from previously undiagnosed and untreated diabetes mellitus (DM), presented to our emergency department (ER), one month after open surgical treatment of pilonidal sinus, due to weakness and fever. After re-operation of the pilonidal cyst and due to post-operative pus production and continuation of fever a computer tomogr aphy (CT )scan was performed revealing an epidural abscess extending from the thoracic vertebrae 12 (T-12) to the sacrococcygeal area. At that point he underwent new surgery for drainage of the epidural abscess. The patient received intravenous antimicrobial treatment and was discharged on the 23rd postoperative day without signs or symptoms of infection. At follow up for a whole year no signs of recurrence have been observed. PMID- 29205144 TI - Primitive squamous cell carcinoma of the breast (SCCB): case report of an uncommon variant of metaplastic carcinoma. AB - INTRODUCTION: Metaplastic carcinoma of the breast includes a heterogeneous group of neoplasms characterized by admixture of adenocarcinoma with area of squamous, chondroid and osseous differentiation. If the tumor shows pure squamous differentiation, it is designated as squamous carcinoma. SCCB accounts for less than 1% of all invasive breast carcinoma. It can present as cystic lesions and simulate a breast abscess. CASE REPORT: A 75-year old woman was visited at our General Surgery Unit for a palpable lump, about 5 cm in size, at the lower inner quadrant of right breast. Mammography revealed 3cm oval opacity with micro calcifications and US appearance as isoechogenic lump with lesion solid-cystic appearance; cytology deposes for cystic inflammatory lesion(C2) to be monitored. A subsequent ultrasound check one year later confirmed an increase of volume, so micro histology sampling was made with suspect malignancy(B4). After biopsy, the patient underwent excision of cyst. Final histological examination showed SCCB with diffuse positivity for Cytokeratin 34beta-E12 and p63; negative reactions to ER and PR; monoclonal antibody Ki67 > 40%; HER2/neu with score 2+ and FISH examination negative. Subsequently, the patient underwent radical Madden mastectomy which confirmed the histological diagnosis and the negativity of the lymph nodes. DISCUSSION: In literature, prognosis and therapy are still discussed; SCCB has shown very little responsiveness to common chemotherapy. CONCLUSION: A quadrantectomy or a radical mastectomy with lymph node dissection must be considered the best treatment for this rare neoplasia. PMID- 29205145 TI - Polythelia in a 13-year old girl. AB - We present a rare case of a 13-year old girl with a bilateral polythelia. We would like to draw attention to this particular mammary malformation. PMID- 29205146 TI - Primary intestinal choriocarcinoma in a patient with long-standing Crohn's disease. AB - Extra-gonadal choriocarcinoma is an extremely rare highly malignant neoplasm with a poor prognosis. In the gastrointestinal tract it usually arises in stomach, esophagous, bowel intestine and colon. Only few cases are pure and not associated with a classic adenocarcinoma. The correlation of Crohn's disease with choriocarcinoma is not reported. We describe a case of 47-year old man with primary choriocarcinoma of the colon in a previously documented Crohn's disease. PMID- 29205148 TI - ATLAS OF ANATOMY, Latin nomenclature (3rd edition). PMID- 29205147 TI - Medico legal aspects on neuromonitoring in thyroid surgery: informed consent on malpractice claims. AB - AIM: The purpose of this paper is to provide a forensic profile framework of neuromonitoring in thyroid surgery, regarding the information given to the patient and its classification as part of professional liability in the event of recurrent injury. METHOD: Evaluation and reflections on the required behaviour of the surgeon on providing details on the operation before the informed consent is given and to outline the possible legal implications regarding professional liability as a result of recurrent injury. In particular, if it is an obligation to inform the patient about using this method and if it is possible for the surgeon to freely choose whether to employ this method, which is still burdened by a certain percentage of error and for that reason it cannot be defined a "standard of care". RESULTS: To recognize neuromonitoring the role of standard of care in surgery of the thyroid means attribute a role of method able to avoid the surgeon to cause iatrogenic damage to the laryngeal nerve. For the foregoing reasons that is not true, determining false positives and false negatives, and this can be a double edged sword for the surgeon. CONCLUSIONS: Although the progress in the field of thyroid surgery made in the last decade, currently there is no scientific reassuring evidence to completely avoid the possibility of producing an iatrogenic lesion of the laryngeal nerve. Information given to the patient prior to surgery should respect the requirements of completeness, freedom and honesty in order to allow the patient to self-determination. PMID- 29205149 TI - III CONGRESSO NAZIONALE S.I.C.U.T. DI PRIMAVERA La Chirurgia d'Urgenza e del Trauma Italiana nei contesti di maxiemergenza. PMID- 29205150 TI - A pragmatic multicentre randomised controlled trial comparing stapled haemorrhoidopexy with traditional excisional surgery for haemorrhoidal disease: the eTHoS study. AB - BACKGROUND: Haemorrhoids are a benign anorectal condition and are highly prevalent in the UK population. Treatments involve clinic-based procedures and surgery. The surgical procedures available include stapled haemorrhoidopexy (SH) and traditional haemorrhoidectomy (TH), and over 25,000 operations are performed for haemorrhoids annually in the UK. The disease is therefore important both to patients and to health service commissioners. Debate remains as to which of these surgical procedures is the most clinically effective and cost-effective. OBJECTIVE: The aim of this study was to compare the clinical effectiveness and cost-effectiveness of SH with that of TH. DESIGN: A large, open two-arm parallel group pragmatic multicentre randomised controlled trial involving 32 UK hospitals and a within-trial cost-benefit analysis. A discrete choice experiment was conducted to estimate benefits (willingness to pay). PARTICIPANTS: Patients with grades II-IV haemorrhoids who had not previously undergone SH or TH were included in the study. INTERVENTIONS: Participants were randomised to receive either SH or TH. Randomisation was minimised at 1 : 1, in accordance with baseline EuroQol-5 Dimensions, three-level version (EQ-5D-3L) score, haemorrhoid grade, sex and centre, via an automated system. MAIN OUTCOME MEASURES: The primary outcome was area under the quality-of-life curve measured using the EQ-5D-3L descriptive system over 24 months, and the primary economic outcome was the incremental cost effectiveness ratio. Secondary outcomes included disease-specific quality of life, recurrence, complications, further interventions and costs. RESULTS: Between January 2011 and August 2014, 777 patients were randomised (389 to receive SH and 388 to receive TH). There were 774 participants included in the analysis as a result of one post-randomisation exclusion in the SH arm and two in the TH arm. SH was less painful than TH in the short term. Surgical complications were similar in both arms. EQ-5D-3L score was higher for the SH arm in the first 6 weeks after surgery, but over 24 months the TH group had significantly better EQ-5D-3L scores (-0.073, 95% confidence interval -0.140 to -0.006; p = 0.0342). Symptoms and further interventions were significantly fewer in the TH arm at 24 months. Continence was better in the TH arm and tenesmus occurred less frequently. The number of serious adverse events reported was 24 out of 337 (7.1%) for participants who received SH and 33 out of 352 (9.4%) for those who received TH. There were two deaths in the SH arm, both unrelated to the eTHoS (either Traditional Haemorrhoidectomy or Stapled haemorrhoidopexy for haemorrhoidal disease) study. Patient preference did not seem to influence the treatment difference. SH was dominated by TH as it cost more and was less effective. The net benefit for the TH arm was higher than that for the SH arm. LIMITATIONS: Neither the participants nor the assessors were masked to treatment assignment and final recruitment was slightly short of the total target of 800. There were also substantial missing follow-up data. CONCLUSIONS: While patients who received SH had less short-term pain, after 6 weeks, recurrence rates, symptoms, re-interventions and quality-of-life measures all favoured TH. In addition, TH is cheaper. As part of a tailored management plan for haemorrhoids, TH should be considered over SH as the surgical treatment of choice for haemorrhoids refractory to clinic-based interventions. FUTURE WORK: Perform an updated meta-analysis incorporating recently conducted European trials [eTHoS, HubBLe (haemorrhoidal artery ligation versus rubber band ligation for the management of symptomatic second-degree and third-degree haemorrhoids) and LingaLongo (Cost-effectiveness of New Surgical Treatments for Haemorrhoidal Disease)]. TRIAL REGISTRATION: Current Controlled Trials ISRCTN80061723. FUNDING: This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 21, No. 70. See the NIHR Journals Library website for further project information. PMID- 29205152 TI - Branching into brains. AB - What can artificial intelligence learn from neuroscience, and vice versa? PMID- 29205151 TI - Towards deep learning with segregated dendrites. AB - Deep learning has led to significant advances in artificial intelligence, in part, by adopting strategies motivated by neurophysiology. However, it is unclear whether deep learning could occur in the real brain. Here, we show that a deep learning algorithm that utilizes multi-compartment neurons might help us to understand how the neocortex optimizes cost functions. Like neocortical pyramidal neurons, neurons in our model receive sensory information and higher-order feedback in electrotonically segregated compartments. Thanks to this segregation, neurons in different layers of the network can coordinate synaptic weight updates. As a result, the network learns to categorize images better than a single layer network. Furthermore, we show that our algorithm takes advantage of multilayer architectures to identify useful higher-order representations-the hallmark of deep learning. This work demonstrates that deep learning can be achieved using segregated dendritic compartments, which may help to explain the morphology of neocortical pyramidal neurons. PMID- 29205153 TI - An Aedes aegypti-associated fungus increases susceptibility to dengue virus by modulating gut trypsin activity. AB - Transmission of dengue virus (DENV) requires successful completion of the infection cycle in the Aedes aegypti vector, which is initiated in the midgut tissue after ingestion of an infectious blood meal. While certain Ae. aegypti midgut-associated bacteria influence virus infection, little is known about the midgut-associated fungi (mycobiota), and how its members might influence susceptibility to DENV infection. We show that a Talaromyces (Tsp_PR) fungus, isolated from field-caught Ae. aegypti, render the mosquito more permissive to DENV infection. This modulation is attributed to a profound down-regulation of digestive enzyme genes and trypsin activity, upon exposure to Tsp_PR-secreted factors. In conclusion, we show for the first time that a natural mosquito gut associated fungus can alter Ae. aegypti physiology in a way that facilitates pathogen infection. PMID- 29205156 TI - Edge-to-edge repair of a large anterior leaflet notch with severe tricuspid regurgitation. PMID- 29205154 TI - Epigenetic profiling of growth plate chondrocytes sheds insight into regulatory genetic variation influencing height. AB - GWAS have identified hundreds of height-associated loci. However, determining causal mechanisms is challenging, especially since height-relevant tissues (e.g. growth plates) are difficult to study. To uncover mechanisms by which height GWAS variants function, we performed epigenetic profiling of murine femoral growth plates. The profiled open chromatin regions recapitulate known chondrocyte and skeletal biology, are enriched at height GWAS loci, particularly near differentially expressed growth plate genes, and enriched for binding motifs of transcription factors with roles in chondrocyte biology. At specific loci, our analyses identified compelling mechanisms for GWAS variants. For example, at CHSY1, we identified a candidate causal variant (rs9920291) overlapping an open chromatin region. Reporter assays demonstrated that rs9920291 shows allelic regulatory activity, and CRISPR/Cas9 targeting of human chondrocytes demonstrates that the region regulates CHSY1 expression. Thus, integrating biologically relevant epigenetic information (here, from growth plates) with genetic association results can identify biological mechanisms important for human growth. PMID- 29205155 TI - Hedgehog signaling via Gli2 prevents obesity induced by high-fat diet in adult mice. AB - Obesity poses a significant risk of developing type II diabetes and other diseases. Hedgehog (Hh) signaling has been shown to inhibit adipose tissue development, but its effect on diet-induced obesity during postnatal life is not known. Here by inducing expression of constitutively active Smoothened (SmoM2) or Gli2 (DeltaNGli2) in the adipocyte lineage of postnatal mice, we show that targeted activation of Hh signaling suppresses high-fat-diet-induced obesity and improves whole-body glucose tolerance and insulin sensitivity. Both SmoM2 and DeltaNGli2 induce the expression of Wnt6, a known anti-adipogenic factor, in fat depots of the mouse. Hh-Gli2 signaling inhibits not only adipocyte differentiation but also lipogenesis in adipocytes in vitro. Finally, pharmacological inhibition of Porcupine, an acyltransferase essential for Wnt secretion, alleviates both anti-adipogenic and anti-lipogenic effects of Hh in cell culture models. Overall, targeted activation of Hh signaling ameliorates diet-induced obesity and may be explored for pharmaceutical development. PMID- 29205157 TI - A comparison of an ultrathin-strut biodegradable polymer sirolimus-eluting stent with a durable polymer everolimus-eluting stent for patients with acute ST segment elevation myocardial infarction undergoing primary percutaneous coronary intervention: rationale and design of the BIOSTEMI trial. AB - AIMS: A novel ultrathin-strut biodegradable polymer sirolimus-eluting stent (BP SES) (Orsiro; Biotronik, Bulach, Switzerland) was shown to be superior to a thin strut durable polymer everolimus-eluting stent (DP-EES) (XIENCE Xpedition/Alpine; Abbott Vascular, Santa Clara, CA, USA) with respect to the primary endpoint of target lesion failure (TLF) at 12 months in the pre-specified subgroup of patients with ST-segment elevation myocardial infarction (STEMI) included in the BIOSCIENCE trial. We designed a large-scale, randomised, clinical trial to assess the clinical superiority of ultrathin-strut BP-SES over thin-strut DP-EES among patients with STEMI undergoing primary percutaneous coronary intervention (PPCI). METHODS AND RESULTS: BIOSTEMI (NCT02579031) is a prospective, multicentre, randomised, controlled, superiority trial that will randomly assign 1,250 patients with STEMI undergoing PPCI to treatment with BP-SES or DP-EES. The primary endpoint of TLF, a composite of cardiac death, target vessel reinfarction, and clinically indicated target lesion revascularisation within 12 months, will be analysed with Bayesian models applied to the BIOSTEMI data set (n=1,250) using robust historical priors to incorporate historical information from the BIOSCIENCE STEMI subgroup (n=407). CONCLUSIONS: The BIOSTEMI trial will determine whether ultrathin-strut BP-SES are superior to thin-strut DP-EES with respect to TLF in patients with STEMI undergoing PPCI. PMID- 29205158 TI - Prognostic impact of non-culprit chronic total occlusions in infarct-related cardiogenic shock: results of the randomised IABP-SHOCK II trial. AB - AIMS: The aim of the current study was to investigate the impact of a chronic total occlusion (CTO) in a non-infarct-related coronary artery (non-IRA) on one year mortality and occurrence of cardiac arrhythmia in patients with cardiogenic shock (CS) complicating acute myocardial infarction (AMI). METHODS AND RESULTS: In a retrospective sub-analysis of the Intraaortic Balloon Pump in Cardiogenic Shock II trial (IABP-SHOCK II) and its accompanying registry, 201 (26%) of 761 patients had a CTO in a non-IR major coronary artery. Mortality was significantly higher in the CTO group at day of admission (19% vs. 11%; p=0.005), 30 days (53% vs. 41%, p=0.002), and 12 months (63% vs. 51%, p=0.002). In the adjusted multivariate Cox regression analysis, a CTO in a non-IRA was an independent predictor of mortality at 12 months (hazard ratio 1.30, 95% confidence interval [CI]: 1.02-1.67, p=0.03). At 30-day follow-up, ventricular arrhythmias requiring defibrillation occurred more frequently in patients with non-IRA CTO in the univariate analysis (33% vs. 21%, odds ratio 1.83, 95% CI: 1.28-2.62, p=0.002). CONCLUSIONS: In patients with CS complicating AMI, the presence of CTO in a non IRA is associated with a higher incidence of ventricular arrhythmias and is an independent predictor of mortality at 12-month follow-up. PMID- 29205159 TI - [Experience with third, fourth and fifth kidney transplants and their complications.] AB - OBJECTIVES: Kidney transplant may be a good choice to treat chronic renal failure even in patients with two or more previous renal grafts. However, there might be several surgical complications and other difficulties we have to deal with. The aim of this report is to analyze the third, fourth and fifth transplants performed in our center focusing on the surgical complications and graft and patient survivals. METHODS: We performed a retrospective analysis of the 73 third, fourth and fifth kidney transplants performed in our center between February 1975 and December 2015. Statistical analysis has been performed with IBM SPSS 23.0 software. RESULTS: 62 patients received a third graft, 10 received a fourth one and one patient received a fifth graft. The median age of the recipients was 48 years, while for donors it was 50. Median cold ischemia time was 21 hours. Transplantectomy was not necessary in 49.31% of the cases. In 59.7% of the cases the graft vessels were anastomosed to the external iliac vessels. There were 21 cases of relevant postoperative complications (27.4% of the total grafts). Vascular thrombosis appeared in 5.5%. After 49 months of follow-up, the 1-, 3-, and 5-year graft survival were 64.3%, 56.16% and 50.69%, respectively. CONCLUSIONS: A new renal transplant in patients with two or more previous grafts is feasible, being necessary to individualize the cases. In spite of being more complex operations than previous transplants with a higher complication rate, we can obtain both acceptable graft and patient survival outcomes with an appropriate approach. PMID- 29205160 TI - Glans penis phimosis in antiquity as depicted upon two roman ex-votos. PMID- 29205161 TI - [Low dose rate brachytherapy in low and middle risk prostate cancer: Results and impact on quality of life with 5 year follow up.] AB - Low dose rate brachytherapy (LDR-Br) with radioactive isotopes is a curative treatment and has shown to be comparable for the management of localized prostate cancer (PCa) to more conventional treatments such as radical prostatectomy or external beam radiotherapy, but with fewer side effects. The aim of this study is to show the global, specific and biochemical recurrence-free survival in 193 patients undergoing low dose rate Brachytherapy with permanent implants with iodine 125 and analyze the quality of life impact. 193 patients with localized PCa were consecutively treated over a period of 10 years (2005-2015). All of them were followed up on levels of prostate specific antigen (PSA) and 68 of them completed a quality of life survey. The average age was 62.8 years and the average PSA was 6.4 ng/dl at the time of Br. 29.5% of patients were classified as intermediate risk, with a Gleason score sum of 7 and/or a PSA between 10 and 20 ng/dl. Mean follow-up was 64.2 months; overall, specific and biochemical recurrence-free survival were 92.8%, 99.0% and 90.2% respectively. The most significant changes in the quality of life recorded were urinary incontinence, urinary and bowel irritative symptoms, in the first 6 months after brachytherapy. Sexual function shows significant changes but all with favorable response using phosphodiesterase inhibitors. This series of patients with PCa shows similar biochemical free survival rates BFSR in low risk patients to external beam radiotherapy and radical prostatectomy, but better BFSR in intermediate risk patients. The impact in the quality of life was significant in urinary incontinence, urinary irritate symptoms, and sexual function, but they were transitory with the exception of sexual function. PMID- 29205162 TI - Multiparametric-MRI-Guided Biopsy in the Era of Precision Medicine. AB - OBJECTIVE: Technical improvements in prostate magnetic resonance imaging (MRI) have resulted in the use of MRI to target prostate biopsy. This allowed urologists to progress from blind biopsies to target biopsies with a better performance in prostate cancer (PC) diagnosis. We herein review the current status of Magnetic Resonance Imaging Guided Biopsy (MRGB) for the detection of PC. METHODS: A systematic review of the literature was conducted using PubMed, Embase and Cochrane using the search criteria: "PC and MRI/US fusion" or "PC and guided biopsy" or "PC and multiparametric MRI" or "PC and MRI guided prostate biopsy". Four reviewers coindependently assessed 8228 records and 38 records directly comparing MRGB with transrectal ultrasoundguided biopsy (TRUS) were chosen. However, a risk bias assessment was not performed. RESULTS: In naive patients, MRGB detected similar PC (51% vs 47.5%) than TRUS, more significant PC (SPC [41% vs 33%]) and less not significant PC (NSPC [7.7% vs 14.5%]) with less number of biopsies. In patients with previous negative prostate biopsy MRGB detected more PC (46.3% vs 26.6%), more SPC (32 % vs 16%) and less NSPC (9.5% vs 14.5%) than TRUS, with less number of biopsies. Besides, in previous biopsy patients group MRGB is better at detecting anterior PC than TRUS. CONCLUSION: MRGB increased PC detection in patients with previous biopsies and also increased SPC detection at the expense of decreasing NSPC detection in both groups of patients with fewer biopsies when compared with TRUS. These results demonstrate the value of MRGB in PC diagnosis. PMID- 29205163 TI - Extramedullary plasmacytoma of the testicle. AB - OBJECTIVE: We present the case of a patient diagnosed with a testicular extramedullary plasmacytoma (EMP), and perform a brief review of the literature of this pathology. METHODS: A 64 year-old male patient, with history of multiple myeloma successfully treated three years before, presented with left testicular swelling. Initial work-up was compatible with a testicular tumor and radical inguinal orchiectomy was performed. RESULTS: Histologic examination of the testis revealed extensive intertubular infiltration by CD138 and CD56 atypical plasma cells, with diffuse staining for IgA, compatible with EMP. CONCLUSIONS: Invasion of the testis in multiple myeloma patients as a recurrence of the disease is an extremely rare condition, as EMPs are more common in other organ systems. Initial treatment should be the same as a primary testicular tumor with radical inguinal orchiectomy, and definitive diagnosis is established in histologic analysis. PMID- 29205164 TI - Genital reconstruction with IntegraTM artificial dermis after radical resection in a boy with diffuse lymphangiomatosis. AB - OBJECTIVE: Lymphangiomatosis is a rare disease affecting lymphatic vessels that causes a marked increase of them in the affected area. The final objective of treatment of the genital disease is to preserve sexual function and voiding with a satisfactory aesthetic result with the aim to minimize the emotional impact. METHODS: For the first time in children, we report a case of local reconstruction using artificial dermis after the excision of a genital lymphatic malformation in an eight year old patient. RESULTS: We performed surgical excision of the lymphatic malformation genital component and reconstruction of the scrotal and penile area in two steps, using an autologous graft over artificial dermis. No complications were registered. Both aesthetic and functional results were excellent, and spontaneous erections that were not present before, were also evidenced. No local recurrence was seen at two year follow up. CONCLUSION: The use of artificial dermis for genital surface reconstruction enables radical excision of tissues involved by diffuse lymphangiomatosis in this location. Surgical technique is simple, postoperative care is easy, being ambulatory care feasible. Final result is an elastic, fine skin, very satisfactory aesthetically, and functionally normal, which even keeps local sensitivity. In the long term, this will benefit the sexual field, so damaged in this patients. PMID- 29205165 TI - Prevalence of antibiotic resistance in fecal flora before transrectal ultrasound guided prostate biopsy and the clinical impact of targeted antibiotic prophylaxis. AB - OBJECTIVES: In this study, we aimed to evaluate ciprofloxacin resistance and the presence of extended-spectrum beta-lactamase producing organisms (ESBLs) in the population of patients with indication to undergo prostate biopsy. Our additional aim was to compare the targeted antibiotic prophylaxis and sepsis rates after transrectal ultrasound guided prostate biopsy in patients who received routine ciprofloxacin prophylaxis and to evaluate the predictive factors of antibiotic resistance. METHODS: Between September 2012 and January 2014, 300 patients were randomized to two groups. The first group (Group 1, n=156) received routine ciprofloxacin prophylaxis and the second group (Group 2, n=144) received a targeted prophylactic antibiotic regime that was adequate for rectal swab culture results. Rectal swab cultures were collected two weeks before the procedure. After the procedure, patients were followed for one month and told to return to the hospital if they developed a fever (>38 degrees C), shivering, dysuria or fatigue. RESULTS: In Group 1, four patients (2.6%) returned to our clinic with signs of sepsis; no patient in Group 2 returned to our clinic (p= 0.124). When the rectal swab culture results of Group 2 were evaluated, there were ESBLs in 18 patients (12.5%), quinolone resistance in 26 patients (18%), and both ESBLs and quinolone resistance in 15 patients (10.4%). There were no statistically significant differences between antibiotic resistance and urologic operations, urinary tract infections, prior catheterization history, the presence of a catheter during prostate biopsy and antibiotic usage history due to a high PSA level. CONCLUSION: In our study, the rates of ESBL presence and ciprofloxacin resistance in rectal flora were not negligible. However, by obtaining rectal swab cultures prior to performing transrectal prostate biopsies and using targeted prophylaxis before prostate biopsy, the sepsis rates were reduced; however, this effect was statistically insignificant. Additional studies with a larger patient population could help to evaluate the targeted prophylaxis procedure. PMID- 29205166 TI - Obstructive uropathy due to double J catheter bending. PMID- 29205167 TI - Persistent renal colic due to a ureteral stone in a bilateral double ureteral system. PMID- 29205168 TI - Effect of static scatterers in laser speckle contrast imaging: an experimental study on correlation and contrast. AB - Laser speckle contrast imaging (LSCI) is a non-invasive microvascular blood flow assessment technique with good temporal and spatial resolution. Most LSCI systems, including commercial devices, can perform only qualitative blood flow evaluation, which is a major limitation of this technique. There are several factors that prevent the utilization of LSCI as a quantitative technique. Among these factors, we can highlight the effect of static scatterers. The goal of this work was to study the influence of differences in static and dynamic scatterer concentration on laser speckle correlation and contrast. In order to achieve this, a laser speckle prototype was developed and tested using an optical phantom with various concentrations of static and dynamic scatterers. It was found that the laser speckle correlation could be used to estimate the relative concentration of static/dynamic scatterers within a sample. Moreover, the speckle correlation proved to be independent of the dynamic scatterer velocity, which is a fundamental characteristic to be used in contrast correction. PMID- 29205169 TI - Potential for thermal damage to the blood-brain barrier during craniotomy: implications for intracortical recording microelectrodes. AB - OBJECTIVE: Our objective was to determine how readily disruption of the blood brain barrier (BBB) occurred as a result of bone drilling during a craniotomy to implant microelectrodes in rat cortex. While the phenomenon of heat production during bone drilling is well known, practices to evade damage to the underlying brain tissue are inconsistently practiced and reported in the literature. APPROACH: We conducted a review of the intracortical microelectrode literature to summarize typical approaches to mitigate drill heating during rodent craniotomies. Post mortem skull-surface and transient brain-surface temperatures were experimentally recorded using an infrared camera and thermocouple, respectively. A number of drilling conditions were tested, including varying drill speed and continuous versus intermittent contact. In vivo BBB permeability was assayed 1 h after the craniotomy procedure using Evans blue dye. MAIN RESULTS: Of the reviewed papers that mentioned methods to mitigate thermal damage during craniotomy, saline irrigation was the most frequently cited (in six of seven papers). In post mortem tissues, we observed increases in skull-surface temperature ranging from +3 degrees C to +21 degrees C, dependent on drill speed. In vivo, pulsed-drilling (2 s-on/2 s-off) and slow-drilling speeds (1000 r.p.m.) were the most effective methods we studied to mitigate heating effects from drilling, while inconclusive results were obtained with saline irrigation. SIGNIFICANCE: Neuroinflammation, initiated by damage to the BBB and perpetuated by the foreign body response, is thought to play a key role in premature failure of intracortical recording microelectrodes. This study demonstrates the extreme sensitivity of the BBB to overheating caused by bone drilling. To avoid damage to the BBB, the authors recommend that craniotomies be drilled with slow speeds and/or with intermittent drilling with complete removal of the drill from the skull during 'off' periods. While saline alone was ineffective at preventing overheating, its use is still recommended to remove bone dust from the surgical site and to augment other cooling methods. PMID- 29205170 TI - 45 degrees sign switching of effective exchange bias due to competing anisotropies in fully epitaxial Co3FeN/MnN bilayers. AB - We report an unusual angular-dependent exchange bias effect in ferromagnet/antiferromagnet bilayers, where both ferromagnet and antiferromagnet are epitaxially grown. Numerical model calculations predict an approximately 45 degrees period for the sign switching of the exchange-bias field, depending on the ratio between magnetocrystalline anisotropy and exchange-coupling constant. The switching of the sign is indicative of a competition between a fourfold magnetocrystalline anisotropy of the ferromagnet and a unidirectional anisotropy field of the exchange coupling. This predicted unusual angular-dependent exchange bias and its magnetization switching process are confirmed by measurements on fully epitaxial Co3FeN/MnN bilayers by longitudinal and transverse magneto-optic Kerr effect magnetometry. These results provide a deeper understanding of the exchange coupling phenomena in fully epitaxial bilayers with tailored materials and open up a complex switching energy landscape engineering by anisotropies. PMID- 29205171 TI - Engineered core-shell magnetic nanoparticle for MR dual-modal tracking and safe magnetic manipulation of ependymal cells in live rodents. AB - Tagging recognition group(s) on superparamagnetic iron oxide is known to aid localisation (imaging), stimulation and separation of biological entities using magnetic resonance imaging (MRI) and magnetic agitation/separation (MAS) techniques. Despite the wide applicability of iron oxide nanoparticles in T 2 weighted MRI and MAS, the quality of the images and safe manipulation of the exceptionally delicate neural cells in a live brain are currently the key challenges. Here, we demonstrate the engineered manganese oxide clusters-iron oxide core-shell nanoparticle as an MR dual-modal contrast agent for neural stem cells (NSCs) imaging and magnetic manipulation in live rodents. As a result, using this engineered nanoparticle and associated technologies, identification, stimulation and transportation of labelled potentially multipotent NSCs from a specific location of a live brain to another by magnetic means for self-healing therapy can therefore be made possible. PMID- 29205172 TI - A data-driven approach for addressing the lack of flow waveform data in studies of cerebral arterial flow in older adults. AB - OBJECTIVE: Blood flow waveforms-essential data for hemodynamic modeling-are often in practice unavailable to researchers. The objectives of this work were to assess the variability among the waveforms for a clinically relevant older population, and develop data-based methods for addressing the missing waveform data for hemodynamic studies. APPROACH: We analyzed 272 flow waveforms from the internal carotid arteries of older patients (73 +/- 13 yr) with moderate cardiovascular disease, and used these data to develop methods to guide new approaches for hemodynamic studies. MAIN RESULTS: Profound variations in waveform parameters were found within the aged population that were not seen in published data for young subjects. Common features in the aged population relative to the young included a larger systole-to-diastole flow rate ratio, increased flow during late systole, and absence of a dicrotic notch. Eight waveforms were identified that collectively represent the range of waveforms in the older population. A relationship between waveform shape and flow rate was obtained that, in conjunction with equations relating flow rate to diameter, can be used to provide individualized waveforms for patient-specific geometries. The dependence of flow rate on diameter was statistically different between male and female patients. SIGNIFICANCE: It was shown that a single archetypal waveform cannot well-represent the diverse waveforms found within an aged population, although this approach is frequently used in studies of flow in the cerebral vasculature. Motivated by these results, we provided a set of eight waveforms that can be used to assess the hemodynamic uncertainty associated with the lack of patient-specific waveform data. We also provided a methodology for generating individualized waveforms when patient gender, age, and cardiovascular disease state are known. These data-driven approaches can be used to devise more relevant in vitro or in silico intra-cranial hemodynamic studies for older patients. PMID- 29205173 TI - Roadmap on semiconductor-cell biointerfaces. AB - This roadmap outlines the role semiconductor-based materials play in understanding the complex biophysical dynamics at multiple length scales, as well as the design and implementation of next-generation electronic, optoelectronic, and mechanical devices for biointerfaces. The roadmap emphasizes the advantages of semiconductor building blocks in interfacing, monitoring, and manipulating the activity of biological components, and discusses the possibility of using active semiconductor-cell interfaces for discovering new signaling processes in the biological world. PMID- 29205174 TI - Numerical implementation of magneto-acousto-electric tomography (MAET) using a linear phased array transducer. AB - In this study, the performance and implementation of magneto-acousto-electric tomography (MAET) is investigated using a linear phased array (LPA) transducer. The goal of MAET is to image the conductivity distribution in biological bodies. It uses the interaction between ultrasound and a static magnetic field to generate velocity current density distribution inside the body. The resultant voltage due to velocity current density is sensed by surface electrodes attached on the body. In this study, the theory of MAET is reviewed. A 16-element LPA transducer is used to provide beam directivity and steerability of acoustic waves. Different two-dimensional (2D) numerical models of breast and tumour are formed to analyze the multiphysics problem coupled with acoustics and electromagnetic fields. In these models, velocity current density distributions are obtained for pulse type ultrasound excitations. The static magnetic field is assumed as 1 Tesla. To sense the resultant voltage caused by the velocity current density, it is assumed that two electrodes are attached on the surface of the body. The performance of MAET is shown through sensitivity matrix analysis. The sensitivity matrix is obtained for two transducer positions with 13 steering angles between -30 degrees to 30 degrees with 5 degrees angular intervals. For the reconstruction of the images, truncated singular value decomposition (SVD) method is used with different signal-to-noise ratio (SNR) values (20 dB, 40 dB, 60 dB and 80 dB). The resultant images show that the perturbation (5 mm * 5 mm) placed 35 mm depth can be detected even if the SNR is 20 dB. PMID- 29205175 TI - Anomalous water dynamics at surfaces and interfaces: synergistic effects of confinement and surface interactions. AB - In nature, water is often found in contact with surfaces that are extended on the scale of molecule size but small on a macroscopic scale. Examples include lipid bilayers and reverse micelles as well as biomolecules like proteins, DNA and zeolites, to name a few. While the presence of surfaces and interfaces interrupts the continuous hydrogen bond network of liquid water, confinement on a mesoscopic scale introduces new features. Even when extended on a molecular scale, natural and biological surfaces often have features (like charge, hydrophobicity) that vary on the scale of the molecular diameter of water. As a result, many new and exotic features, which are not seen in the bulk, appear in the dynamics of water close to the surface. These different behaviors bear the signature of both water surface interactions and of confinement. In other words, the altered properties are the result of the synergistic effects of surface-water interactions and confinement. Ultrafast spectroscopy, theoretical modeling and computer simulations together form powerful synergistic approaches towards an understanding of the properties of confined water in such systems as nanocavities, reverse micelles (RMs), water inside and outside biomolecules like proteins and DNA, and also between two hydrophobic walls. We shall review the experimental results and place them in the context of theory and simulations. For water confined within RMs, we discuss the possible interference effects propagating from opposite surfaces. Similar interference is found to give rise to an effective attractive force between two hydrophobic surfaces immersed and kept fixed at a separation of d, with the force showing an exponential dependence on this distance. For protein and DNA hydration, we shall examine a multitude of timescales that arise from frustration effects due to the inherent heterogeneity of these surfaces. We pay particular attention to the role of orientational correlations and modification of the same due to interaction with the surfaces. PMID- 29205176 TI - Electrochemical characterization of high frequency stimulation electrodes: role of electrode material and stimulation parameters on electrode polarization. AB - OBJECTIVE: With recent interest in kilohertz frequency electrical stimulation for nerve conduction block, understanding the electrochemistry and role of electrode material is important for assessing the safety of these stimulus protocols. Here we describe an approach to determining electrode polarization in response to continuous kilohertz frequency sinusoidal current waveforms. We have also investigated platinum, iridium oxide, and titanium nitride as coatings for high frequency electrodes. The current density distribution at 50 kHz at the electrode electrolyte interface was also modeled to demonstrate the importance of the primary current distribution in supporting charge injection at high frequencies. APPROACH: We determined electrode polarization in response to sinusoidal currents with frequencies in the 1-50 kHz range and current amplitudes from 100 to 500 uA and 1-5 mA, depending on the electrode area. The current density distribution at the interface was modeled using the finite element method (FEM). MAIN RESULTS: At low frequencies, 1-5 kHz, polarization on the platinum electrode was significant, exceeding the water oxidation potential for high amplitude (5 mA) waveforms. At frequencies of 20 kHz or higher, the polarization was less than 300 mV from the electrode open circuit potential. The choice of electrode material did not play a significant role in electrode polarization at frequencies higher than 10 kHz. The current density distribution modeled at 50 kHz is non-uniform and this non uniformity persists throughout charge delivery. SIGNIFICANCE: At high frequencies (>10 kHz) electrode double-layer charging is the principal mechanism of charge injection and selection of the electrode material has little effect on polarization, with platinum, iridium oxide, and titanium nitride exhibiting similar behavior. High frequency stimulation is dominated by a highly nonuniform primary current distribution. PMID- 29205177 TI - Evaluation of latent variances in Monte Carlo dose calculations with Varian TrueBeam photon phase-spaces used as a particle source. AB - The purpose of this study was to evaluate the latent variance (LV) of Varian TrueBeam photon phase-space files (PSF) for open 10 * 10 cm2 and small stereotactic fields and estimate the number of phase spaces required to be summed up in order to maintain sub-percent LV in Monte Carlo (MC) dose calculations. BEAMnrc/DOSXYZnrc software was used to transport particles from Varian phase space files (PSFA) through the secondary collimators. Transported particles were scored into another phase-space located under the jaws (PSFB), or transported further through the cone collimators and scored straight below, forming PSFC. Phase-space files (PSFB) were scored for 6 MV-FFF, 6 MV, 10 MV-FFF, 10 MV and 15 MV beams with 10 * 10 cm2 field size, and PSFC were scored for 6 MV beam under circular cones of 0.13, 0.25, 0.35, and 1 cm diameter. Both PSFB and PSFC were transported into a water phantom with particle recycling number ranging from 10 to 1000. For 10 * 10 cm2 fields 0.5 * 0.5 * 0.5 cm3 voxels were used to score the dose, whereas the dose was scored in 0.1 * 0.1 * 0.5 cm3 voxels for beams collimated with small cones. In addition, for small 0.25 cm diameter cone collimated 6 MV beam, phantom voxel size varied as 0.02 * 0.02 * 0.5 cm3, 0.05 * 0.05 * 0.5 cm3 and 0.1 * 0.1 * 0.5 cm3. Dose variances were scored in all cases and LV evaluated as per Sempau et al. For the 10 * 10 cm2 fields calculated LVs were greatest at the phantom surface and decreased with depth until they reached a plateau at 5 cm depth. LVs were found to be 0.54%, 0.96%, 0.35%, 0.69% and 0.57% for the 6 MV-FFF, 6 MV, 10 MV-FFF, 10 MV and 15 MV energies, respectively at the depth of 10 cm. For the 6 MV phase-space collimated with cones of 0.13, 0.25, 0.35, 1.0 cm diameter, the LVs calculated at 1.5 cm depth were 75.6%, 25.4%, 17.6% and 8.0% respectively. Calculated LV for the 0.25 cm cone-collimated 6 MV beam were 61.2%, 40.7%, 22.5% in 0.02 * 0.02 * 0.5 cm3, 0.05 * 0.05 * 0.5 cm3 and 0.1 * 0.1 * 0.5 cm3 voxels respectively. In order to achieve sub-percent LV in open 10 * 10 cm2 field MC simulations a single PSF can be used, whereas for small SRS fields (0.13-1.0 cm) more PSFs (66 8 PSFs) would have to be summed. PMID- 29205178 TI - Association of subcutaneous testosterone pellet therapy with developing secondary polycythemia. AB - A variety of methods for testosterone replacement therapy (TRT) exist, and the major potential risks of TRT have been well established. The risk of developing polycythemia secondary to exogenous testosterone (T) has been reported to range from 0.4% to 40%. Implantable T pellets have been used since 1972, and secondary polycythemia has been reported to be as low as 0.4% with this administration modality. However, our experience has suggested a higher rate. We conducted an institutional review board-approved, single-institution, retrospective chart review (2009-2013) to determine the rate of secondary polycythemia in 228 men treated with subcutaneously implanted testosterone pellets. Kaplan-Meyer failure curves were used to estimate time until the development of polycythemia (hematocrit >50%). The mean number of pellets administered was 12 (range: 6-16). The mean follow-up was 566 days. The median time to development of polycythemia whereby 50% of patients developed polycythemia was 50 months. The estimated rate of polycythemia at 6 months was 10.4%, 12 months was 17.3%, and 24 months was 30.2%. We concluded that the incidence of secondary polycythemia while on T pellet therapy may be higher than previously established. PMID- 29205179 TI - Commentary on "Nondegloving technique for Peyronie's disease with penile prosthesis implantation and double dorsal-ventral patch graft". PMID- 29205180 TI - Androgen receptor deficiency in monocytes/macrophages does not alter adiposity or glucose homeostasis in male mice. AB - Androgen deprivation in men leads to increased adiposity, but the mechanisms underlying androgen regulation of fat mass have not been fully defined. Androgen receptor (AR) is expressed in monocytes/macrophages, which are resident in key metabolic tissues and influence energy metabolism in surrounding cells. Male mice bearing a cell-specific knockout of the AR in monocytes/macrophages (M-ARKO) were generated to determine whether selective loss of androgen signaling in these cells would lead to altered body composition. Wild-type (WT) and M-ARKO mice (12 22 weeks of age, n = 12 per group) were maintained on a regular chow diet for 8 weeks and then switched to a high-fat diet for 8 additional weeks. At baseline and on both the regular chow and high-fat diets, no differences in lean mass or fat mass were observed between groups. Consistent with the absence of differential body weight or adiposity, no differences in food intake (3.0 +/- 0.5 g per day for WT mice vs 2.8 +/- 0.4 g per day for M-ARKO mice) or total energy expenditure (0.6 +/- 0.1 Kcal h-1 for WT mice vs 0.5 +/- 0.1 Kcal h-1 for M-ARKO mice) were evident between groups during high-fat feeding. Liver weight was greater in M-ARKO than that in WT mice (1.5 +/- 0.1 g vs 1.3 +/- 0.0 g, respectively, P = 0.02). Finally, M-ARKO mice did not exhibit impairments in glucose tolerance or insulin sensitivity relative to WT mice at any study time point. In aggregate, these findings suggest that AR signaling specifically in monocytes/macrophages does not contribute to the regulation of systemic energy balance, adiposity, or insulin sensitivity in male mice. PMID- 29205181 TI - Feasibility of the conversion of percutaneous cholecystostomy to internal transmural endoscopic ultrasound-guided gallbladder drainage. PMID- 29205182 TI - Association between gastroesophageal reflux disease and nonalcoholic fatty liver disease: A meta-analysis. AB - BACKGROUND/AIM: The relationship between gastroesophageal reflux disease (GERD) and nonalcoholic fatty liver disease (NAFLD) has been demonstrated in recent epidemiologic studies although the results were inconsistent. This meta-analysis was conducted to summarize all available data and to estimate the risk of NAFLD among patients with GERD. MATERIALS AND METHODS: Comprehensive literature review was conducted using MEDLINE and EMBASE database from inception through November 2016, to identify studies that compared the risk of NAFLD among patients with GERD versus those without GERD. Effect estimates from each study were extracted and combined using the random-effect, generic inverse variance method of DerSimonian and Laird. RESULTS: Eight studies (four cross-sectional studies and four case-control studies) with 31,322 participants met the eligibility criteria and were included in the meta-analysis. The risk of NAFLD among patients with GERD was significantly higher than those without GERD with the pooled odds ratio of 2.07 (95% confidence interval, 1.54-2.79). The statistical heterogeneity was high with an I2 of 87%. CONCLUSIONS: A significantly increased risk of NAFLD among patients with GERD was observed in this meta-analysis. PMID- 29205183 TI - Feasibility of conversion of percutaneous cholecystostomy to internal transmural endoscopic ultrasound-guided gallbladder drainage. AB - BACKGROUND/AIM: Percutaneous cholecystostomy [percutaneous transhepatic gallbladder drainage (PTGBD)] is the treatment of choice in surgically unfit patients with acute cholecystitis. However, PTGBD tube removal after symptoms resolution results in 41-46% recurrence. This study aims to demonstrate the feasibility of the conversion of PTGBD to transmural endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) using plastic stents in patients unfit for cholecystectomy. PATIENTS AND METHODS: Patients who underwent internal transmural EUS-GBD as a conversion from PTGBD were reviewed. EUS-GBD was performed after the improvement of cholecystitis due to recurrent cholecystitis and PTGBD intolerance. One or two 7-Fr double pigtail plastic stent insertion with or without temporary endoscopic naso-gallbladder drainage (ENGBD) insertion was performed. RESULTS: Six patients (age 61-88), with three cases of acute cholecystitis after metallic biliary stenting and three cases of calculus cholecystitis, who underwent PTGBD were included. EUS-GBD was performed 10-63 days after PTGBD, using one plastic stent in five cases, two stents in one case, with temporary ENGBD in two cases. The technical success and clinical success were achieved and the PTGBD tubes were subsequently removed in all patients. All ENGBD tubes were removed within 5 days after insertion. Bile leak with peritonitis was demonstrated in one case, which was treated conservatively. No recurrent cholecystitis was seen during 3-26 months of follow-up. CONCLUSION: The conversion of percutaneous cholecystostomy to internal transmural EUS-GBD with plastic stents is feasible for patients unfit for cholecystectomy. However, more studies are still needed to confirm the results. PMID- 29205184 TI - Adipose-derived mesenchymal stem cells suppress of acute rejection in small bowel transplantation. AB - BACKGROUND/AIMS: Adipose-derived mesenchymal stem cells (ADSCs) possess immunosuppressive activity and hold promise in autologous cell-based therapies. The aim of this study was to determine whether autologous ADSCs can improve outcomes in the rat small bowel transplantation (SBT) model. MATERIALS AND METHODS: Allogeneic SBT followed by implantation of autologous ADSCs through the penile vein was conducted in Brown-Norway (BN) donor rats with Lewis (LEW) recipient rats infused with phosphate buffered solution as the control. Allograft and recipient peripheral blood were obtained. We assessed histopathology, apoptosis, cytokines, and regulatory T cells (Tregs). One-way analysis of variance was applied to assess the significance of the data. RESULTS: It was found that ADSCs significantly reduced acute rejection and improved the allograft's survival rate. In addition, there were significantly fewer apoptotic cells in allograft mucosae in the ADSC group in comparison with the control group. Furthermore, levels of interleukin (IL)-10 and transforming growth factor beta1 were significantly elevated, whereas those of IL-2 and IL-17 levels were significantly reduced in the ADSC group when compared to the control group. Moreover, flow cytometry analysis revealed that there were significantly more peripheral Tregs after the infusion of ADSCs. CONCLUSIONS: These results demonstrate that implanted autologous ADSCs improve allogeneic small bowel allograft outcomes by attenuating the acute rejection and reducing inflammatory responses. PMID- 29205185 TI - Knowledge, attitude, and practices of primary health care physicians toward colorectal cancer screening. AB - BACKGROUND/AIM: Early diagnosis of chronic illnesses and cancers mainly occurs at primary health care centers (PHCs) by primary health care physicians (PHPs). The incidence of colorectal cancer (CRC) in the Kingdom of Saudi Arabia (KSA) is rising and this has been attributed to many factors. The increasing incidence of CRC is compounded by nonadherence to screening recommendations. Therefore, evaluating PHPs knowledge, attitudes, and practices of screening for CRC is clinically important. We aimed to evaluate the knowledge, attitudes, and practices of PHPs regarding CRC screening and to identify the factors associated with nonadherence of PHPs to screening recommendations. MATERIALS AND METHODS: PHPs working at three tertiary care centers and PHCs across the city of Jeddah were randomly recruited. Participants were surveyed using a comprehensive questionnaire that recorded data on demographics, qualifications, and knowledge of various modalities and guidelines related to CRC screening. Perspectives about effectiveness of, or adherence to, factors that influence physicians' perspectives or recommendations for CRC screening were also assessed. Logistic regression analysis was used to identify physician characteristics associated with PHPs perspectives and nonadherence to CRC screening. RESULTS: A total of 127 PHPs were recruited. The average age of participants was 34 (+/-8.4) years, 86.6% were native Saudi's and 56.7% were females. The majority of surveys (66.9%) were completed at 24 PHCs and the remaining at hospital-based family medicine clinics. Most of the PHPs (55%) had a bachelor's degree and 31.5% were board-certified or carried a PhD in family medicine; 95% of participants believed that CRC screening in general was effective, but as much as 55% reported that they did not practice screening. The male physicians [odds ratio (OR) = 0.44, 95% confidence interval (CI) = 0.19-0.99, P = 0.048)] and PHPs with only a bachelor degree or less (OR = 0.72, 95% CI = 0.55-0.93, P = 0.011) were less likely to recommend screening for CRC. CONCLUSIONS: A considerable proportion of PHPs do not adhere to CRC screening recommendations despite a wide belief that screening is effective. Male PHPs with lower qualifications appear to be less likely to recommend screening. PMID- 29205186 TI - A cross-sectional survey of multi-generation inflammatory bowel disease consanguinity and its relationship with disease onset. AB - : Background?Aim: Consanguinity influences the phenotypic variations of some hereditary and immune-mediated disorders, including inflammatory bowel disease. This study estimated the prevalence of consanguinity among the ancestors of patients with inflammatory bowel disease and examined the effect of various consanguinity levels on inflammatory bowel disease onset. PATIENTS AND METHODS: Patients with inflammatory bowel disease who were seen at two gastroenterology outpatient clinics were consecutively recruited and surveyed for demographics, disease onset, and presence of ancestral consanguinity within three generations. The prevalence of different consanguinity levels was calculated. The association between age at inflammatory bowel disease onset and consanguinity was examined. RESULTS: Two hundred seventeen patients were recruited. The mean age, mean age at diagnosis, and mean illness duration were 32.9 +/- 13.4, 18.6 +/- 11.5, and 8.6 +/- 7.7 years, respectively. Of the cohort, 53.5% were women, and 74.2% were native Saudis. Cigarette smoking was reported in 17.1%; 51% had Crohn's disease, while the remaining patients had ulcerative colitis. A family history of inflammatory bowel disease was reported in 29.5% of patients; consanguinity within three generations was reported in 57.6%. Consanguinity in more than one generation was reported in 38.7%; 17.5% had consanguinity in three consecutive generations. There was no association between inflammatory bowel disease onset and multi-generation consanguinity, but there was an association with disease subtype in favor of ulcerative colitis (b coefficient = 7.1 [95% confidence interval = 4.1, 10]). CONCLUSIONS: Consanguinity is extremely common among Saudi patients with inflammatory bowel disease but does not seem to influence age at disease onset. Genetic studies are needed to further clarify the effect of consanguinity on disease behavior. PMID- 29205187 TI - A CT-guided fat transversing coaxial biopsy technique for pancreatic lesion biopsy that avoids major organs and vessels. AB - BACKGROUND/AIMS: The purpose of this study is to report our results using a computed tomography (CT)-guided fat transversing coaxial biopsy technique for pancreatic lesion biopsy that avoids major organs and vessels. We retrospectively reviewed the records of patients referred to our department for pancreatic mass biopsy. PATIENTS AND METHODS: The records of patients (from June 2008 to August 2014) in whom biopsy was performed under CT guidance with a coaxial needle using a fat transversing technique were reviewed. Patient demographic data and biopsy outcomes were collected. We aimed to compare differences between lesion size and biopsy outcome, the independent two-samples t-test was used. RESULTS: A total of 122 patients who underwent 17-G coaxial needle biopsy were included. The mean pancreatic lesion size was 3.2 cm, and in 30 patients it was more than 4 cm. The majority of lesions were located in the head of the pancreas (44.3%). No transorgan biopsies were performed. In most patients, the biopsy was performed via a fat traversing detour route (93.4%), and a successful diagnosis was made based on the biopsy outcome in 96.7% patients. Complications occurred in five patients (4.1%); three of the patients developed a fever, and two developed pancreatitis. All patients recovered with symptomatic treatment. CONCLUSION: CT guided coaxial core biopsy of pancreatic lesions using a fat detour route appears to be a safe and effective method for obtaining pancreatic lesion biopsies with a high success rate and low complication rate. PMID- 29205188 TI - Validity and clinical impact of glucose transporter 1 expression in colorectal cancer. AB - BACKGROUND/AIM: There is no doubt that colorectal cancer (CRC) poses a major threat to public health worldwide, and despite improvement in managements, prognosis still remains an irritating question with no definite answer. Being a fundamental player in cancer metabolism, glucose transporter 1 (GLUT1) could be utilized as a prognostic biomarker that could fuel development of new treatment strategies. The aim of this study was to assess the validity of GLUT1 expression as a prognostic biomarker and to elucidate to what extent it is immersed in poor clinical outcome among CRC patients. PATIENTS AND METHODS: GLUT1 expression in peripheral blood specimens was analyzed by quantitative real-time polymerase chain reaction in 47 CRC patients and 20 healthy controls. RESULTS: There was significantly elevated GLUT1 expression in peripheral blood of CRC patients than in controls (P < 0.001). The cutoff value of 0.605 provided 98% sensitivity and 100% specificity. There were significantly higher values of GLUT1 expression in patients under 50 years (P = 0.003), performance status 2 (P = 0.009), stage IV (P < 0.001), and presence of metastasis (P < 0.001). GLUT1 expression showed nonsignificant association with overall survival (P = 0.068), while tumor stage (P = 0.01) and metastasis (P = 0.009) were significantly associated with lower overall survival. CONCLUSION: GLUT1 is sensitive and specific marker for CRC. It is overexpressed in young age patients, poor performance status, and stage IV patients. Although this was not statistically significant, GLUT 1 showed higher expression level in patients with lesser survival. PMID- 29205189 TI - Staphylococcus aureus biofilm removal by targeting biofilm-associated extracellular proteins. AB - BACKGROUND & OBJECTIVES: Among cell surface proteins, biofilm-associated protein (Bap) promotes biofilm development in Staphylococcus aureus strains. The aim of this study was to investigate proteinase-mediated biofilm dispersion in different isolates of S. aureus. METHODS: Biofilm assay was done in 96-well microtitre plate to evaluate the effect of proteinase K on biofilms of bovine mastitis S. Aureus isolates. Extracellular polymeric substances were extracted and evaluated for their composition (protein, polysaccharides and extracellular DNA), before and after the proteinase K treatment. RESULTS: Biofilm assay showed that 2 MUg/ml proteinase K significantly inhibited biofilm development in bap-positive S. aureus V329 as well as other S. aureus isolates (SA7, SA10, SA33, SA352), but not in bap-mutant M556 and SA392 (a weak biofilm-producing strain). Proteinase K treatment on S. aureus planktonic cells showed that there was no inhibition of planktonic growth up to 32 MUg/ml of proteinase K. Proteinase K treatment on 24 h old preformed biofilms showed an enhanced dispersion of bap-positive V329 and SA7, SA10, SA33 and SA352 biofilms; however, proteinase K did not affect the bap mutant S. aureus M556 and SA392 biofilms. Biofilm compositions study before and after proteinase K treatment indicated that Bap might also be involved in eDNA retention in the biofilm matrix that aids in biofilm stability. When proteinase K was used in combination with antibiotics, a synergistic effect in antibiotic efficacy was observed against all biofilm-forming S. aureus isolates. INTERPRETATION & CONCLUSIONS: Proteinase K inhibited biofilms growth in S. aureus bovine mastitis isolates but did not affect their planktonic growth. An enhanced dispersion of preformed S. aureus biofilms was observed on proteinase K treatment. Proteinase K treatment with antibiotics showed a synergistic effect against S. aureus biofilms. The study suggests that dispersing S. aureus by protease can be of use while devising strategies againstS. aureus biofilms. PMID- 29205190 TI - Characterization of antimicrobial resistance markers & their stability in Salmonella enterica serovar Typhi. AB - BACKGROUND & OBJECTIVES: Typhoid fever is a major cause of morbidity and mortality in the developing countries including India. Resistance to multiple antimicrobial agents is an emerging global problem that has serious impact on the treatment of disease. There are many factors associated with the emergence of resistance. Most important of them is the acquisition and further transmission and spread of resistance markers among various bacterial species. Therefore, we conducted this study to characterize the resistance plasmids in terms of their transferability and stability among Salmonella enterica serovar Typhi. METHODS: Six multidrug-resistant S. Typhi isolates were evaluated for the stability and transfer of resistance markers. The resistance plasmids were also checked for the presence of RepHI1A replicon. RESULTS: All resistance markers were found to be transferred to the recipient through conjugation and transformation, except for nalidixic acid. None of the resistance plasmid was found to harbour RepHI1A replicon and therefore, did not belong to incompatibility group IncHI1. Resistance markers were found to be highly stable in all the isolates during serial passages and storage as stab cultures at different temperatures for different time periods. INTERPRETATION & CONCLUSIONS: Resistance markers for chloramphenicol, ampicillin, streptomycin and trimethoprim were transferred through conjugation as well as transformation whereas that for nalidixic acid was not transferred in any of the isolates. Markers for chloramphenicol and streptomycin resistance were found to be most stable during various storage conditions. Presence of small-sized non-IncHI1 resistance plasmids is a matter of concern due to their capability to exist inside the host, thereby increasing the possibility of their transmission and spread among S. Typhi and other bacterial species. PMID- 29205191 TI - Investigation into a community outbreak of Salmonella Typhi in Bengaluru, India. AB - BACKGROUND & OBJECTIVES: Outbreaks of infection due to Salmonella enterica servovar Typhi (S. Typhi) are a great threat to public health. A rapid molecular typing method to characterize strains implicated in an outbreak is critical in implementing appropriate control measures. This study was done to demonstrate the power of a PCR-based method to provide rapid insights into the genetic relatedness amongst the Salmonella isolates implicated in a suspected typhoid fever outbreak. METHODS: Forty two S. Typhi isolates originating from three geographically distinct areas, with one area suspected to have a single-source outbreak were included in the study. The genetic fingerprint of all isolates was generated using enterobacterial repetitive intergenic consensus sequence based PCR (ERIC-PCR). The antimicrobial susceptibility profiles were also evaluated. RESULTS: ERIC-PCR was found to be rapid and reproducible with a discriminatory index of 0.766. The dendrogram constructed based on ERIC-PCR fingerprinting revealed the existence of 12 distinct genotypes. The location suspected to have an outbreak displayed two genotypes amongst the 24 isolates. The other two locations (18 isolates) displayed genetic heterogeneity. The clonality of the outbreak isolates from the time-matched control isolates was established. The observed antimicrobial susceptibility profiles did not have any discriminatory power to subtype the isolates compared to the genetic fingerprints. INTERPRETATION & CONCLUSIONS: Our study demonstrated the discriminatory power and value of ERIC-PCR in the typing of S. Typhi isolates and providing valuable epidemiological insights. PMID- 29205192 TI - Genetic diversity study of various beta-lactamase-producing multidrug-resistant Escherichia coli isolates from a tertiary care hospital using ERIC-PCR. AB - BACKGROUND & OBJECTIVES: The prevalence of multidrug-resistant (MDR) Escherichia coli isolates producing beta-lactamase enzyme is a growing problem across the globe. Strain typing is an epidemiologically important tool not only for detecting the cross transmission of nosocomial pathogens but also for determining the source of infection. The present study was conducted to understand the clonal relationship among various beta-lactamase-producing MDR E. coli isolates using enterobacterial repetitive intergenic consensus (ERIC) polymerase chain reaction (PCR). METHODS: A total of 41 MDR E. coli isolates were randomly collected from various clinical samples and processed. Isolated organisms were tested for antibiotics resistance pattern. Phenotypic detection of metallo beta-lactamases (MBL) was carried out by the imipenem-ethylenediaminetetraacetic acid disc diffusion/double-disc synergy test. AmpC enzyme production was tested by a modified three-dimensional extract test. RESULTS: Almost all isolates were found sensitive to colistin. A high percentage of drug resistance was observed in these isolates against ceftazidime (100%), cefotaxime (100%), cefepime (100%), ofloxacin (97.56%), amoxicillin/clavulanic acid (97.56%) and norfloxacin (85.36%). Of the 41 isolates, ESBL producers were found to be predominant, i.e., 22 (53.65%), followed by AmpC (6, 14.63%) and MBL (5, 12.19%). INTERPRETATION & CONCLUSIONS: At 60 per cent similarity cut-off value, the dendrogram analysis showed that there were a total of 14 unique clusters of ERIC (CL-1 - CL-14) within the 41 E. coli isolates, which revealed the genetic diversity existing between them. PMID- 29205193 TI - Molecular characterization of locus of enterocyte effacement pathogenicity island in shigatoxic Escherichia coli isolated from human & cattle in West Bengal, India. AB - BACKGROUND & OBJECTIVES: Shigatoxic Escherichia coli (STEC) recovered from dairy animals of Kolkata, India, harboured the putative virulence genes; however, the animals did not exhibit clinical symptoms. Similarly, human isolates in this locality also showed variations in degree of symptoms. Hence, this study was designed to know the presence of recognized gene(s) in the locus of enterocyte effacement (LEE) pathogenicity island in these STEC isolates and functional status of the cardinal gene (eae) related to pathogenicity. METHODS: Genes were characterized using polymerase chain reaction (PCR) assays, and functional status of cardinal gene (eae) was evaluated by fluorescent actin staining (FAS) assay. Variation in eae gene was determined by intimin PCR. RESULTS: Cattle STEC isolates carried 22 genes in LEE pathogenicity island in different frequencies ranging from 5.63 to 47.88 per cent of the isolates. In human isolates, the genes namely ler, escRSTU, orf 2, esc C, esc V, orf 3 and tir that are associated with secretory function, were found to be absent and rest of the genes were present in lower frequency. Further, the cardinal gene (eae) responsible for initiation of pathogenesis was in a very low frequency in human (n=2; 10.5%) and cattle (n=11; 15.5%) isolates. None of theseeae+ STEC isolates from human and cattle revealed positivity in FAS assay. INTERPRETATION & CONCLUSIONS: Majority of human STEC isolates lacked the cardinal virulence gene (eae), and genes for secretory function that are essential for facilitating pathogenesis. This may partially be attributed to low occurrence of STEC in human clinical diarrhoea in this area. Although a few isolates (11 of 71) from cattle had eae gene, they did not express phenotypically. This could be one of the reasons for not appearing of clinical symptoms in the hosts. PMID- 29205194 TI - Analysis of beta-lactamases, blaNDM-1phylogeny & plasmid replicons in multidrug resistant Klebsiella spp. from a tertiary care centre in south India. AB - BACKGROUND & OBJECTIVES: beta-lactamases play a predominant role in drug resistance amongst Enterobacteriaceae. Presence of genes on transferable plasmids encoding these enzymes favours their dissemination across species and genera within and outside geographical boundaries. This study was aimed to understand the presence of beta-lactamases and transferable plasmids in clinical isolates of Klebsiella spp. which can contribute to the spread of resistance determinants. METHODS: A total of 41 clinical isolates of Klebsiella spp., collected from a tertiary care centre in Kerala, India, were checked for antibiotic sensitivity and the presence of plasmids. The ability to produce extended-spectrum beta lactamases (ESBLs) and metallo-beta-lactamases (MBLs) was screened for and confirmed in 29 plasmid-harbouring isolates. blaNDM-1-specific primers were used for polymerase chain reaction amplification with plasmid DNA as template to determine episomal prevalence of this gene and its sequence-based phylogeny employing similar sequences from GenBank. Plasmid replicon typing was also carried out to determine the presence of transferable plasmids. RESULTS: Our results showed a high degree of multidrug-resistant (MDR) pathogens with ESBL production confirmed in 52 per cent, MBL in 31 per cent and co-production of both enzymes in seven per cent of the plasmid-bearing isolates. Plasmid DNA from 14 per cent of the isolates produced blaNDM-1-specific amplicons which showed sequence homology with those from bacteria of different genera and geographical areas. The predominant replicon type was found to be that of conjugative plasmids belonging to the incompatibility group - IncFIIK. INTERPRETATION & CONCLUSIONS: This study provides insight into the predominance of various beta-lactamases and potent gene-disseminating agents in Klebsiella spp. and emphasizes the need for constant surveillance of these pathogens to determine appropriate treatment strategies. PMID- 29205195 TI - Coexistence of metallo-beta-lactamase-encoding genes in Pseudomonas aeruginosa. AB - BACKGROUND & OBJECTIVES: The emergence and rapid spread of carbapenem resistance mediated by metallo-beta-lactamase (MBL) in Pseudomonas aeruginosa is of major concern due to limited therapeutic options. This study was aimed at detecting the presence of MBL and its association with integrons in imipenem-resistant P. aeruginosa isolates and to determine their genetic relatedness. METHODS: A total of 213 P. aeruginosa isolates were collected from two tertiary care centres and tested against anti-pseudomonal antibiotics by antimicrobial susceptibility testing, followed by the detection of MBL production by combined disk method. Minimum inhibitory concentration (MIC) of meropenem was determined by E-test. Multiplex polymerase chain reaction (PCR) was performed for the detection of blaSPM, blaIMP, blaVIM, blaNDM, blaGIM and blaSIM. PCR was carried out to characterize the variable region of class 1 integron. Transcongujation assay was carried out for the confirmation of plasmid-mediated resistance. Enterobacterial repetitive intergenic consensus sequence (ERIC)-PCR was performed for determining the genetic relatedness among P. aeruginosa isolates. RESULTS: Of the 213 P. aeruginosa isolates, 22 (10%) were found to be carbapenem resistant and these were from pus 18 (82%), urine 2 (9%), sputum 1 (5%) and tracheal wash 1 (5%). Among 22 isolates, 18 (81.8%) were found to be MBL producers by phenotypic method and MIC range of meropenem was 8 to >32 MUg/ml. PCR amplification showed that 20 (91%) isolates carried any one of the MBL genes tested: blaVIM and blaNDM in seven (32%) and six (27%) isolates, respectively; blaVIM and blaNDMin three (14%); blaIMP and blaNDM in two (9%); blaVIM and blaIMP in one (5%) isolate. The blaVIM, blaIMP and blaNDM were found to co-exist in one isolate. None of the isolates were positive for blaSPM, blaSIM and blaGIM. All 22 isolates carried class I integron. Of the 20 MBL-positive isolates, transconjugants were obtained for 15 isolates. ERIC-PCR analysis showed all isolates to be clonally independent. INTERPRETATION & CONCLUSIONS: Our results showed 10.3 per cent of carbapenem resistance among P. aeruginosa isolates, and the coexistence of MBL encoding genes among P. aeruginosa mediated by class I integron. PMID- 29205196 TI - Speciation, clinical profile & antibiotic resistance in Aeromonas species isolated from cholera-like illnesses in a tertiary care hospital in north India. AB - BACKGROUND & OBJECTIVES: Aeromonas species have been reported to cause various illnesses in humans such as wound infections, septicaemia, peritonitis and pneumonia. Their role in causation of cholera-like illness is also being increasingly recognized. This retrospective study was done to know the presence of Aeromonas as a cause of acute diarrhoea in a tertiary care hospital and to find the common species of Aeromonas causing diarrhoea and their antibiotic susceptibility patterns. METHODS: Fifty isolates of Aeromonas were obtained over a period of 15 yr from 2000 to 2014 from patients of suspected acute gastroenteritis resembling cholera. Biotyping was done for 35 of these isolates available in culture collection, based on a panel of 13 biochemical reactions. Antibiogram was put up for all of these isolates by disk diffusion methods and interpreted according to the Clinical and Laboratory Standards Institute guidelines. RESULTS: Of the 50 patients of Aeromonas-related acute gastroenteritis, 13 (26%) had typical features of cholera with rice water stools and severe dehydration. Eight patients (16%) had dysentery-like picture. One patient died of severe dehydration and septicaemia. The most common species were found to be Aeromonas caviae (34%) followed by Aeromonas veronii biovar veronii (29%), Aeromonas veronii biovar sobria (26%) and Aeromonas hydrophila (9%). All tested isolates were uniformly susceptible to cefepime, amikacin, azithromycin and meropenem; 14 per cent were susceptible to amoxicillin, 32 per cent to nalidixic acid, 60 per cent to co-trimoxazole, 54 per cent to ciprofloxacin, 60 per cent to ofloxacin, 74 per cent to chloramphenicol, 76 per cent to ceftriaxone, 74 per cent to cefotaxime, 88 per cent to gentamicin and 86 per cent to furoxone. INTERPRETATION & CONCLUSIONS: Aeromonas is an important, often neglected pathogen capable of causing a variety of gastrointestinal tract symptoms such as acute diarrhoea and dysentery and may even mimic cholera. It is, therefore, pertinent to recognize this pathogen as an important agent in the causation of severe diarrhoea. PMID- 29205197 TI - Detection of Chlamydia trachomatis infections by polymerase chain reaction in asymptomatic pregnant women with special reference to the utility of the pooling of urine specimens. AB - BACKGROUND & OBJECTIVES: Genital Chlamydia trachomatis (CT) infections are one of the most prevalent sexually transmitted infections across the world. In pregnant women, if not detected and treated early, these may result in poor pregnancy outcomes and complications. The present study was aimed to screen CT infections from first void urine (FVU) samples of asymptomatic pregnant women using molecular methods. The secondary objective was to evaluate cost-effectiveness in pooling FVU samples for their diagnostic application. METHODS: FVU samples were collected from 1000 asymptomatic pregnant women over a period of three years. Pooling was done by including five specimens in one pool in the amount of 10 MUl and subjected to polymerase chain reaction (PCR) and further confirmed by direct fluorescent antibody assay (DFA). RESULTS: The age of study participants ranged from 18 to 43 yr with the median+/-standard deviation of 26+/-3.84 yr. Majority of positive participants were younger than 25 years. A total of 200 pools were prepared and 20 of these were PCR positive. When individual specimen in 20 positive pools was tested, 20 PCR-positive specimens were identified from 19 pools, of which 16 were positive by DFA. Thus, CT was detected in 1.6 per cent asymptomatic pregnant women in India and pooling strategy resulted in 70 per cent reduction in a number of tests performed. INTERPRETATION & CONCLUSIONS: Our study detected C. trachomatis infection in 1.6 per cent asymptomatic pregnant women, and pooling of FVU specimens for PCR testing was found to be a cost-saving strategy in comparison to testing individual samples. Further evaluation and studies on the bigger sample size are warranted to validate these results. PMID- 29205198 TI - Exploring quinolone resistance-determining region in Neisseria gonorrhoeae isolates from across India. AB - BACKGROUND & OBJECTIVES: Antimicrobial resistance in Neisseria gonorrhoeae, the causative agent of gonorrhoea, is a subject of worldwide attention. The present study was undertaken to examine the rates of ciprofloxacin resistance, to correlate mutations in gyrA and parC genes with the level of resistance and to look for a variation in mutation pattern, if any, in isolates from across the country. METHODS: A total of 113 isolates of N. gonorrhoeae collected from sexually transmitted infection patients in six centres during November 2010 to October 2013 were investigated. Minimum inhibitory concentration (MIC) determination was done by E-test and results interpreted as per Calibrated Dichotomous Sensitivity criteria. DNA sequence analysis of gyrA and parC genes was done. RESULTS: Of the 113 isolates, only three (2.6%) were susceptible whereas eight (7.07%) were less susceptible, 32 [28.3%, 95% confidence interval (CI): 20.4-37.6%] resistant (MIC 1-3 MUg/ml) and 70 (61.9%, 95% CI: 52.2-70.7%) exhibited high-level resistance (HLR) (MIC >=4 MUg/ml) to ciprofloxacin. A S91F substitution in gyrA gene was demonstrated in all ciprofloxacin non-susceptible isolates. All resistant and HLR isolates had a double mutation in gyrA gene. However, only 5.7 per cent of HLR isolates showed double mutations in parC gene. One isolate (MIC 32 MUg/ml) had a previously undescribed G85D substitution in the parC gene. INTERPRETATION & CONCLUSIONS: A S91F substitution in gyrA gene was seen in all non-susceptible isolates of N. gonorrhoeae. It may be used as a marker for ciprofloxacin resistance for molecular surveillance approaches to complement the culture-based methods. PMID- 29205199 TI - Seroprevalence of Japanese encephalitis virus & West Nile virus in Alappuzha district, Kerala. AB - BACKGROUND & OBJECTIVES: Several outbreaks of acute encephalitis syndrome (AES) have been reported in Alappuzha district, Kerala State, India, in the past. The aetiology of these outbreaks was either inconclusive or concluded as probable Japanese encephalitis virus (JEV) infection based on clinical presentation. The role of West Nile virus (WNV) in AES outbreaks was also determined. However, the extent of WNV infection has not been studied in this region previously. A population-based cross-sectional serosurvey study was undertaken to determine the seroprevalence of JEV and WNV in Alappuzha district. METHODS: A total of 30 clusters were identified from 12 blocks and five municipalities as per the probability proportional to size sampling method. A total of 1125 samples were collected from all age groups. A microneutralization assay was performed to estimate the prevalence of JEV and WNV neutralizing antibodies in the sample population. RESULTS: Of 1125 serum samples tested, 235 [21.5%, 95% confidence interval (CI): 15.2-27.8%] and 179 (15.9%, 95% CI: 9.6-22.3%) were positive for neutralizing antibodies against WNV and JEV, respectively. In addition, 411 (34.5%, 95% CI: 26.7-42.2%) were positive for cross-reactive antibodies against flaviviruses. INTERPRETATION & CONCLUSIONS: The study showed the seroprevalence of WNV and JEV antibodies in the surveyed area and the WNV seroprevalence was greater than JEV. It is necessary to create awareness in public and adopt suitable policy to control these diseases. PMID- 29205201 TI - Surgery in 2017: Moving towards successful penile transplantation programmes. PMID- 29205200 TI - Immunotherapy in metastatic urothelial carcinoma: focus on immune checkpoint inhibition. AB - Immunotherapy has been used in localized urothelial carcinoma for decades, especially in the treatment of superficial disease, in which instillation of BCG is a commonly used treatment option. Clinical investigations based on new insights into the immunogenic potential of metastatic urothelial carcinoma have led to the accelerated FDA approval of the immune checkpoint inhibitors atezolizumab, nivolumab, durvalumab, avelumab, and pembrolizumab. Preliminary findings suggest additional benefits of combinations of immunotherapeutic agents as a future treatment approach in metastatic urothelial carcinoma. Treatment experience with immunotherapy suggests that these drugs are associated with a unique spectrum of immune-related adverse events and specific immune-related patterns of response, including cases of pseudoprogression, which could impede the optimal use of immune checkpoint inhibitors in the clinic. Appropriate management of immune-related adverse events and a greater awareness of immune mediated response patterns will help to inform treatment decisions and improve patient outcomes; predictive biomarkers of response might facilitate selection of patients who are most likely to respond to and benefit from these exciting new treatments. PMID- 29205202 TI - Prostate cancer: Stuck in the middle: interstitial genes in TMPRSS2-ERG fusion. PMID- 29205203 TI - Bladder cancer: Genomics of noninvasive disease. PMID- 29205204 TI - MTHFR, TS and XRCC1 genetic variants may affect survival in patients with myelodysplastic syndromes treated with supportive care or azacitidine. AB - We evaluated the impact of genomic polymorphisms in folate-metabolizing, DNA synthesis and DNA repair enzymes on the clinical outcome of 108 patients with myelodysplastic syndromes (MDS) receiving best supportive care (BSC) or azacitidine. A statistically significant association between methylenetetrahydrofolate reductase (MTHFR) 677T/T, thymidylate synthase (TS) 5' untranslated region (UTR) 3RG, TS 3'-UTR -6 bp/-6 bp, XRCC1 399G/G genotypes and short survival was found in patients receiving BSC by multivariate analysis (P<0.001; P=0.026; P=0.058; P=0.024). MTHFR 677T/T, TS 3'-UTR -6 bp/-6 bp and XRCC1 399G/G genotypes were associated with short survival in patients receiving azacitidine by multivariate analysis (P<0.001; P=0.004; P=0.002). We then performed an exploratory analysis to evaluate the effect of the simultaneous presence of multiple adverse variant genotypes. Interestingly, patients with ?1 adverse genetic variants had a short survival, independently from their International Prognostic Scoring System (IPSS) and therapy received. To our knowledge, this is the first study showing that polymorphisms in folate metabolizing pathway, DNA synthesis and DNA repair genes could influence survival of MDS patients. PMID- 29205205 TI - Gene expression and linkage analysis implicate CBLB as a mediator of rituximab resistance. AB - Elucidating resistance mechanisms for therapeutic monoclonal antibodies (MAbs) is challenging, because they are difficult to study in non-human models. We therefore developed a strategy to genetically map in vitro drug sensitivity, identifying genes that alter responsiveness to rituximab, a therapeutic anti-CD20 MAb that provides significant benefit to patients with B-cell malignancies. We discovered novel loci with genome-wide mapping analyses and functionally validated one of these genes, CBLB, which causes rituximab resistance when knocked down in lymphoma cells. This study demonstrates the utility of genome wide mapping to discover novel biological mechanisms of potential clinical advantage. PMID- 29205206 TI - Applications of pharmacogenomics in regulatory science: a product life cycle review. AB - With rapid developments of pharmacogenomics (PGx) and regulatory science, it is important to understand the current PGx integration in product life cycle, impact on clinical practice thus far and opportunities ahead. We conducted a cross sectional review on PGx-related regulatory documents and implementation guidelines in the United States and Europe. Our review found that although PGx related guidance in both markets span across the entire product life cycle, the scope of implementation guidelines varies across two continents. Approximately one-third of Food and Drug Administration (FDA)-approved drugs with PGx information in drug labels and half of the European labels posted on PharmGKB website contain recommendations on genetic testing. The drugs affected 19 and 15 World Health Organization Anatomical Therapeutic Chemical drug classes (fourth level) in the United States and Europe, respectively, with protein kinase inhibitors (13 drugs in the United States and 16 drugs in Europe) being most prevalent. Topics of emerging interest were novel technologies, adaptive design in clinical trial and sample collection. PMID- 29205208 TI - Relationships between walking velocity and distance and the symmetry of temporospatial parameters in chronic post-stroke subjects. AB - PURPOSE: Subjects with post-stroke hemiparesis frequently present with asymmetric gait patterns. Symmetry, reflecting similarities in temporospatial, kinematic parameters, is an important measure of gait assessment. The study was designed to examine the relationships between asymmetry of temporal, spatial and kinematic gait parameters and walking velocity and distance. METHODS: Temporospatial and kinematic gait parameters were examined in a group of 50 chronic post-stroke subjects and in a group of 25 healthy controls. Symmetry ratio was calculated for all the parameters. Gait velocity was measured during 10-metre test, the walking distance during 2-Minute Walk Test, and balance during Up and Go Test. RESULTS: The relationship between stance phase duration symmetry and gait speed was at a moderate level (r = -0.43, p = 0.0173). There was a moderate relationship between swing phase symmetry and walking velocity and distance. The findings did not show a significant correlation between step length symmetry versus gait speed and distance. CONCLUSIONS: There is a mild relationship between self-selected gait velocity and walking distance versus temporal parameters symmetry. The findings do not confirm a relationship between self-selected gait velocity and walking distance versus spatial and kinematic parameters as well as balance. Likewise, no evidence confirms that asymmetry of temporal, spatial, kinematic gait parameters changes with the age of post-stroke subjects or is related to the length of time from stroke onset. Given the above, gait symmetry may be recognized as an important indicator of the level of gait control in post-stroke patients because it enables unique gait assessment, independent from other parameters. PMID- 29205207 TI - Therapeutic targeting of membrane-associated GRP78 in leukemia and lymphoma: preclinical efficacy in vitro and formal toxicity study of BMTP-78 in rodents and primates. AB - Translation of drug candidates into clinical settings requires demonstration of preclinical efficacy and formal toxicology analysis for filling an Investigational New Drug (IND) application with the US Food and Drug Administration (FDA). Here, we investigate the membrane-associated glucose response protein 78 (GRP78) as a therapeutic target in leukemia and lymphoma. We evaluated the efficacy of the GRP78-targeted proapoptotic drug bone metastasis targeting peptidomimetic 78 (BMTP-78), a member of the D(KLAKLAK)2-containing class of agents. BMTP-78 was validated in cells from patients with acute myeloid leukemia and in a panel of human leukemia and lymphoma cell lines, where it induced dose-dependent cytotoxicity in all samples tested. Based on the in vitro efficacy of BMTP-78, we performed formal good laboratory practice toxicology studies in both rodents (mice and rats) and nonhuman primates (cynomolgus and rhesus monkeys). These analyses represent required steps towards an IND application of BMTP-78 for theranostic first-in-human clinical trials. PMID- 29205209 TI - Foot mechanics in young women are altered after walking in high-heeled shoes. AB - PURPOSE: Nowadays, fashion has caused that many young women are wearing high heeled shoes. Therefore, the aim of this study was to examine the effects of long term walking in high-heeled shoes on the foot mechanics during barefoot gait. METHODS: Forty-three young women (22 +/- 2.1 years) divided into two groups participated in this retrospective cohort study. The first group was composed of women who frequently wear high-heeled footwear. The second, infrequent wearers group, consisted of women who preferred flat-heeled shoes. Measurements of gait parameters were recorded for barefoot gait. A motion analysis system and two force plates were used in order to evaluate the lower-limb rocker mechanism, transverse foot arch height and parameters of ground reaction force. RESULTS: Walking in high-heeled shoes modified barefoot foot mechanics, which manifested itself in a shorter duration (by ca. 4%) of the first and second rocker and a significantly longer duration (by 5%) of the third rocker phase as well as a substantial reduction in height of the transverse foot arch (by around 50%) in women habitually walking in high-heeled shoes. A significantly shorter relative duration of the third rocker (44.3% of cycle time) and greater value of the vertical component of ground reaction force (114.7% BW) in the third rocker phase were found in the group of women habitually walking in high-heeled shoes. CONCLUSIONS: The mechanism of foot rolling, with flattened foot arch, and significantly higher values of the vertical component of ground reaction force and shorter time might lead to overload in lowerlimb joints in young women. PMID- 29205210 TI - Assessing the asymmetry of free gait in healthy young subjects. AB - PURPOSE: The purpose of this study was to derive reference values for a four level scale intended to evaluate variation in free gait asymmetry measurements in healthy subjects. METHODS: This evaluation is based on kinetic values for the left and right lower limbs during gait, registered with advanced measurement systems and assessed using the symmetry index (SI) developed by Robinson. RESULTS: For the majority of parameters, the SI does not follow normal distribution. As such, quartile values were used to create intervals for a four step scale of assessing symmetry of free gait in healthy subjects for each gait parameter of interest. The SI rating intervals were from 0% (very good symmetry) to 21.2% (very poor symmetry) for kinetic parameters. The poorest symmetry was observed for horizontal force F3. CONCLUSIONS: The four-step scale of assessing symmetry in free gait in healthy subjects can be used in diagnosing gait disorders, devising surgical treatment strategies, and monitoring the rehabilitation process. Reference values for intervals of symmetry indicators in healthy subjects can be used as criteria for comparing individuals with/without disabilities. PMID- 29205211 TI - A computational evaluation of sedentary lifestyle effects on carotid hemodynamics and atherosclerotic events incidence. AB - PURPOSE: Hemodynamics has a key role in atheropathogenesis. Indeed, atherosclerotic phenomena occur in vessels characterized by complex geometry and flow pattern, like the carotid bifurcation. Moreover, lifestyle is a significant risk factor. The aim of this study is to evaluate the hemodynamic effects due to two sedentary lifestyles - sitting and standing positions - in the carotid bifurcation in order to identify the worst condition and to investigate the atherosclerosis incidence. METHODS: The computational fluid dynamics (CFD) was chosen to carry out the analysis, in which in vivo non-invasive measurements were used as boundary conditions. Furthermore, to compare the two conditions, one patient-specific 3D model of a carotid bifurcation was reconstructed starting from computer tomography. Different mechanical indicators, correlated with atherosclerosis incidence, were calculated in addition to flow pattern and pressure distribution: the time average wall shear stress (TAWSS), the oscillatory shear index (OSI) and the relative residence time (RRT). RESULTS: The results showed that the bulb and the external carotid artery emergence are the most probable regions in which atherosclerotic events could happen. Indeed, low velocity and WSS values, high OSI and, as a consequence, areas with chaotic swirling flow, with stasis (high RRT), occur. Moreover, the sitting position is the worst condition: considering a cardiac cycle, TAWSS is less than 17.2% and OSI and RRT are greater than 17.5% and 21.2%, respectively. CONCLUSIONS: This study suggests that if a person spends much time in the sitting position, a high risk of plaque formation and, consequently, of stenosis could happen. PMID- 29205212 TI - Experimental identification of a mathematical model of human operator working under mental stress. AB - In engineering the human is considered as one of the system elements. In most studies, his/her model remains unchanged due to the external factors. The present study shows that a relation between the mental stress and human dynamics cannot be neglected. The dynamic characteristics of the operator model change due to external stimuli, i.e., mental stress. The aim of this study was to present identification of a mathematical human model and measurement methodology of the mental stress level. To determine the level of human response to external stimuli, the electrocardiography (ECG) and electromyography (EMG) methods were applied. The results showed difference in model parameters that cannot be neglected during the modeling of the human operator. The present study points to the need of developing simplified human models, taking into account external stimuli that have direct impact on his/her effectiveness. Some interdisplinary investigation provide may benefits combining part of the automation and ergonomics research areas. PMID- 29205213 TI - Mechanical properties variation and constitutive modelling of biomedical polymers after sterilization. AB - PURPOSE: In this work, the mechanical behavior of two block copolymers for biomedical applications is studied with particular regard to the effects induced by a steam sterilization treatment that biomedical devices usually undergo in healthcare facilities. This investigation is aimed at describing the elasto plastic behavior of the stress-strain response, determining a functional dependence between material constitutive parameters, to obtain an optimal constitutive model. METHODS: The mechanical properties of these polymers are analyzed through uniaxial tensile tests, before and after the sterilization process. The effect of sterilization on the mechanical behavior is evaluated. The Ramberg-Osgood model is used to describe the elasto-plastic behavior of the stress-strain response. RESULTS: Data from uniaxial tensile tests are discussed in the light of previous data on the same polymeric materials, in order to highlight the correlation between physicochemical and mechanical properties variation. The material constitutive parameters are determined and the functional dependence between them is found, thus enabling an optimal constitutive model to be obtained. CONCLUSIONS: The effect of sterilization on the material constitutive parameters is studied, to evaluate the suitability of the model in describing the mechanical response of biomedical polymer before and after sterilization treatment. The same approach can be applied to other biomaterials, under various tensile tests, and for several processes that induce variation in mechanical properties. PMID- 29205214 TI - Biomechanics of the shoulder girdle: a case study on the effects of union rugby tackles. AB - PURPOSE: The shoulder girdle is a complex system, comprised by a kinematic chain and stabilizers. Due to the delicate equilibrium and synchronism between mobility and stability, high external loads may compromise its physiology, increasing the risk of injuries. Thus, this study intends to fully characterize the effects of a rugby tackle on the shoulder's anatomy and physiology. METHODS: For the experimental procedures, a matrix of pressure sensors was used, based on the Teckscan(r) pressure in-soles, force plates, an isokinetic dynamometer and sEMG (surface electromyography). RESULTS: The anterosuperior region of the shoulder girdle confirmed the highest pressure values during impact (100 kPa-200 kPa). Also, the right and left feet performed a vertical peak force of 1286 N (1.4 BW) and 1998 N (2.21 BW), respectively. The muscular activity of the shoulder muscles decreased after performing multiple tackles. CONCLUSIONS: During a tackle, the clavicle, scapula, trapezius and acromioclavicular joint are the anatomical structures with higher risk of injury. Also, the strike force on the feet decreases for stability purposes. After performing multiple impacts the muscular activity of the trapezius and rotator cuff muscles decreases, which may lead, in the long-term, to instability of the shoulder and inefficiency of the scapulohumeral rhythm. PMID- 29205215 TI - Symmetry of lower limb loading in healthy adults during normal and abnormal stance. AB - PURPOSE: The purpose of the research was twofold: (1) to describe the normal asymmetry in lower limb loading during a normal stance and during a stance with visual and vestibular disturbance relating to the lower limb dominance, (2) to assess relations of loading of both lower limbs with body weight and height (BMI) and leg functional dominance. METHODS: The subjects of this study were 95 students. Settings of the two Kistler platforms were used to register the time series of the vertical component of the ground reaction force while the subject was standing (45 seconds) in a normal position and next with eyes covered with a band and head tilted back position with one leg placed on one platform and the other on the second platform. The symmetry index (SI) was used to describe the asymmetry of the left or right loading. RESULTS: The greater loading of the left or right leg during standing was independent of the functional leg dominance. The distribution of left and right lower limb loading in both trials may suggest that a low asymmetry, less than 5%, is represented by about 30% of subjects in general. No significant correlation was found between the SI and BMI of subjects who had a normal body weight, but in the group of overweight subjects the correlation was very high (r = 0.9). CONCLUSION: The results show that in describing norms of asymmetry in posture control in healthy humans it is very important to compare the results to posture asymmetry in various injuries or diseases. The most important result is that the higher asymmetry of lower limb loading is associated with overweight, which implies greater risk to health of those people. PMID- 29205216 TI - Investigation of blood flow rheology using second-grade viscoelastic model (Phan Thien-Tanner) within carotid artery. AB - PURPOSE: Hemodynamic factors, such as Wall Shear Stress (WSS), play a substantial role in arterial diseases. In the larger arteries, such as the carotid artery, interaction between the vessel wall and blood flow affects the distribution of hemodynamic factors. The fluid is considered to be non-Newtonian, whose flow is governed by the equation of a second-grade viscoelastic fluid and the effects of viscoelastic on blood flow in carotid artery is investigated. METHODS: Pulsatile flow studies were carried out in a 3D model of carotid artery. The governing equations were solved using finite volume C++ based on open source code, OpenFOAM. To describe blood flow, conservation of mass and momentum, a constitutive relation of simplified Phan-Thien-Tanner (sPTT), and appropriate relations were used to explain shear thinning behavior. RESULTS: The first recirculation was observed at t = 0.2 s, in deceleration phase. In the acceleration phase from t = 0.3 s to t = 0.5 s, vortex and recirculation sizes in bulb regions in both ECA and ICA gradually increased. As is observed in the line graphs based on extracted data from ICA, at t = 0.2 s, tauyy is the maximum amount of wall shear stress and tauxy the minimum one. The maximum shear stress occurred in the inner side of the main branch (inner side of ICA and ECA) because the velocity of blood flow in the inner side of the bulb region was maximum due to the created recirculation zone in the opposite side in this area. CONCLUSIONS: The rheology of blood flow and shear stress in various important parts (the area that are in higher rates of WSS such as bifurcation region and the regions after bulb areas in both branches, Line1-4 in Fig. 7) were also analyzed. The investigation of velocity stream line, velocity profile and shear stress in various sections of carotid artery showed that the maximum shear stress occurred in acceleration phase and in the bifurcation region between ECA and ICA which is due to velocity gradients and changes in thinning behavior of blood and increasing strain rate in Newtonian stress part. PMID- 29205217 TI - Analysis of upper limb muscle strength in the early phase of brain stroke. AB - PURPOSE: The aim of this study was to determine the muscles with the lowest strength in non-affected (non-A) and affected upper limb (A), to assess differences between men and women and to correlate these values with age in patients after stroke. METHODS: Sixty patients (40 male, 20 female), hospitalized in Neurorehabilitation Ward, 1-2 weeks after stroke, were included in the study. Their age ranged from 50 to 80 years with a mean (sd) of 65.5 (18.7) years. Muscle force values from upper limb muscles were measured using the MicroFet 2 hand-held dynamometer. The results are given in Newtons [N], mean values of muscular force, effect sizes and confidence intervals are displayed as Cohen's d and 95% CI were determined. Moreover, we made the coefficients correlation for differences in muscular force versus the Rivermead Motor Assessment (RMA) arm section. RESULTS: Strength of (A) upper limb in comparison to (non-A) was 39% weaker. The severely affected muscle groups were the shoulder flexion 41% (women) versus 46% (men); elbow flexion 39% (women) versus 31% (men); wrist extension 36% (women) versus 42% (men). No significant correlations were found between muscle strength results and RMA or age. CONCLUSIONS: Muscle force of (A) upper limb after stroke demonstrates a 39% decrease. Men show more significant decrease than women (40% vs. 35%). Functional assessment in RMA values shows the better results in women (4.9 +/- 4.1) than men (3.4 +/- 3.2). PMID- 29205218 TI - A longitudinal assessment of myoelectric activity, postural sway, and low-back pain during pregnancy. AB - PURPOSE: The present study aimed at investigating the control of upright quiet standing in pregnant women throughout pregnancy, and whether low-back pain exerts influence on this motor task. METHODS: Myoelectric signals from postural muscles and stabilometric data were collected from 15 non-pregnant and 15 pregnant women during upright quiet standing. Electromyogram envelopes and center of pressure metrics were evaluated in the control group, as well as in pregnant women in their first and third trimester of pregnancy. A correlation analysis was performed between the measured variables and a low-back pain disability index. RESULTS: Pregnant women exhibited a decreased maximum voluntary isometric activity for all postural muscles evaluated. Additionally, the activity of lumbar muscles during the postural task was significantly higher in the pregnant women in comparison to the non-pregnant controls. The soleus muscle maintained its activity at the same level as the gestation progressed. Higher postural oscillations were observed in the anteroposterior direction while mediolateral sway was reduced in the third trimester of pregnancy. No correlation was detected between the lowback pain disability index and neuromechanical variables. CONCLUSION: This study provides additional data regarding the functioning and adaptations of the postural control system during pregnancy. Also, we provide further evidence that postural control during quiet standing cannot be used to predict the occurrence of low-back pain. We hypothesize that the modifications in the neural drive to the muscles, as well as in postural sway may be related to changes in the biomechanics and hormonal levels experienced by the pregnant women. PMID- 29205219 TI - Experimental analysis of insertion torques and forces of threaded and press-fit acetabular cups by means of ex vivo and in vivo measurements. AB - PURPOSE: In THA a sufficient primary implant stability is the precondition for successful secondary stability. Industrial foams of different densities have been used for primary stability investigations. The aim of this study was to analyse and compare the insertion behaviour of threaded and press-fit cups in vivo and ex vivo using bone substitutes with various densities. METHODS: Two threaded (Bicon Plus(r), Trident(r) TC) and one press-fit cup (Trident PSL(r)) were inserted by orthopaedic surgeons (S1, S2) into 10, 20 and 31 pcf blocks, using modified surgical instruments allowing measurements of the insertion forces and torques. Furthermore, the insertion behaviour of two cups were analysed intraoperatively. RESULTS: Torques for the threaded cups increased while bone substitute density increased. Maximum insertion torques were observed for S2 with 102 Nm for the Bicon Plus(r) in 20 pcf blocks and 77 Nm for the Trident(r) TC in 31 pcf blocks, which compares to the in vivo measurement (85 Nm). The average insertion forces for the press-fit cup varied from 5.2 to 6.8 kN (S1) and 7.2-11.5 kN (S2) ex vivo. Intraoperatively an average insertion force of 8.0 kN was determined. CONCLUSIONS: Implantation behaviour was influenced by acetabular cup design, bone substitute and experience of the surgeon. No specific density of bone substitute could be favoured for ex vivo investigations on the implantation behaviour of acetabular cups. The use synthetic bone blocks of high density (31 pcf) led to problems regarding cup orientation and seating. Therefore, bone substitutes used should be critically scrutinized in terms of the comparability to the in vivo situation. PMID- 29205220 TI - Influence of modified muscle morphology and activity pattern on the results of musculoskeletal system modelling in cerebral palsy patient. AB - PURPOSE: The aim of the present study was to evaluate the influence of modified morphological parameters of the muscle model and excitation pattern on the results of musculoskeletal system numerical simulation in a cerebral palsy patient. METHODS: The modelling of the musculoskeletal system was performed in the AnyBody Modelling System. The standard model (MoCap) was subjected to modifications consisting of changes in morphological parameters and excitation patterns of selected muscles. The research was conducted with the use of data of a 14-year-old cerebral palsy patient. RESULTS: A reduction of morphological parameters (variant MI) caused a decrease in the value of active force generated by the muscle with changed geometry, and as a consequence the changes in active force generated by other muscles. A simulation of the abnormal excitation pattern (variant MII) resulted in the muscle's additional activity during its lengthening. The simultaneous modification of the muscle morphology and excitation pattern (variant MIII) points to the interdependence of both types of muscle model changes. A significant increase in the value of the reaction force in the hip joint was observed as a consequence of modification of the hip abductor activity. CONCLUSIONS: The morphological parameters and the excitation pattern of modelled muscles have a significant influence on the results of numerical simulation of the musculoskeletal system functioning. PMID- 29205221 TI - Experimental study and modelling the evolution of viscoelastic hysteresis loop at different frequencies in myocardial tissue. AB - Our work involved experimental study of the influence of actomyosin complexes and the main structural components of the myocardial tissue - connective tissue collagen framework and cardiomyocytes - on the characteristics of viscoelastic hysteresis at different frequencies. In this paper a new method was introduced for the analysis of the viscoelastic characteristics of the force hysteresis in the isolated myocardial preparation for the assessment of mechanical energy expenditure in the tension-compression cycle. We established that basic myocardial structures have an impact on the to the characteristics of the viscoelastic hysteresis in many ways. It was shown that in rat's myocardium cardiomyocytes one main factor that define the stiffness and viscosity of the myocardium in the physiological range of deformations, while binding of calcium ions with EGTA and calcium removal of sarcoplasmic reticulum with caffeine reduces viscoelasticity by ~30% and collagen framework is responsible for about 10% of viscoelasticity. It was revealed that in the physiological range of the hysteresis frequencies (3 to 7 Hz) expenditure of mechanical energy per unit of time increases linearly with increasing frequency. We proposed the structural and functional model that adequately describes the characteristics of the viscoelastic hysteresis in myocardial preparation in the range of strains and frequencies being under study. PMID- 29205222 TI - Relationship between the mineral content of human trabecular bone and selected parameters determined from fatigue test at stepwise-increasing amplitude. AB - PURPOSE: The study aimed to investigate a relationship between the mineral content of human trabecular bone and parameters determined from compression fatigue tests at stepwise-increasing amplitude. METHODS: Mineral content of trabecular bone was estimated comparing density and bone mineral density values. The relationship between the ash density, bone mineral density and factors obtained from fatigue test: fatigue life, cumulative elastic energy and cumulative energy of dissipation was determined. RESULTS: The results from the measurements of ash density and bone mineral density show good correlation with the fatigue test results. The relationship was estimated based on the correlation coefficient R within 0.74-0.79 for the particular pairs of factors. CONCLUSIONS: The study shows that the ash density and the bone mineral density are good predictors to estimate the fatigue life of trabecular bone. The study also validates the applicability of the tests at stepwise-increasing amplitude in determining the mechanical properties of trabecular bone. PMID- 29205223 TI - Investigation of chest injury mechanism caused by different seatbelt loads in frontal impact. AB - PURPOSE: The purpose of this quantitative study is to investigate the differences of the injury mechanism caused by two different types of seatbelt loads on the occupant's chest. METHODS: The finite element analysis is employed to compare the different responses of the human body model, including comparison of kinematics, chest accelerations, seatbelt forces and chest injury outcomes regarding chest deflections and rib fractures. RESULTS: The calculated rib strain-stress response from simulations in force-limiting seatbelt are higher than that in the regular seatbelt. The forward movement and torso twist are both great in simulations with force-limiting seatbelt. Moreover, there are obvious differences in the injury outcomes of chest deflections and rib fracture risks under the different seatbelt loads. CONCLUSION: Results indicate that the chest deflections and rib fracture risks are negatively correlated under the load of the force-limiting seatbelt, However, they are positively correlated to and determined by the seatbelt peak load of the regular seatbelt. This paper can provide a reference for study of the chest injury mechanism and protection efficiency of seatbelt. PMID- 29205224 TI - Influence of changing frequency and various sceneries on stabilometric parameters and on the effect of adaptation in an immersive 3D virtual environment. AB - PURPOSE: The aim of the study was to examine the influence of different types of virtual sceneries and frequencies of movement of visual disturbances on stabilometric values as well as whether individual sceneries and changing frequency can minimize effect of adaptation of tested person to applied disturbances. METHODS: There were 23 healthy participants. A person has been standing on a Zebris stabilometric platform. Virtual 3D environment was displayed by means of HMD Oculus Rift system. An open (a meadow) and closed (a room) sceneries were used. The sceneries moved along the sagittal axis and rotated around horizontal axis. The measurement lasted 30 seconds and in the middle of it frequency of translational movement was changed from 0.7 Hz to 1.4 Hz or from 1.4 Hz to 0.7 Hz. RESULTS: The data were reported as medians of COP velocity and ellipse area. Visual disturbances caused the increase of these values in comparison with the tests conducted with open eyes. Results divided into periods (the first and the second 15 seconds) showed that in the first half of the test values were higher compared to the second half. The comparison of values obtained for open and closed scenery showed that higher values were recorded for open scenery. CONCLUSIONS: The comparison of both types of sceneries on the basis of COP velocity and ellipse area showed that open scenery had a greater impact on the measured stabilometric values. It was found out as well that people got accustomed to the applied disturbances, but this effect was lower in the open scenery. PMID- 29205225 TI - Using the discrete wavelet transform in assessing the effectiveness of rehabilitation in patients after ACL reconstruction. AB - PURPOSE: The purpose of the current study was to assess the effectiveness of rehabilitation in patients after anterior cruciate ligament reconstruction (ACLR) using a wavelet analysis of the torque-time curve patterns of the extensors of the affected knee. The analysis aimed at the quantitative evaluation of irregularities in these torque-time patterns. METHODS: The study involved a group of 22 men who had had ACL reconstruction. The torque-time characteristics were recorded 3, 6 and 12 months after the surgery by an isokinetic dynamometer. They were then examined using the orthogonal Daubechies 4 (Db 4) and biorthogonal Bior 3.1 wavelets. RESULTS: A statistical analysis of the results revealed significant differences in values of the high-frequency energy stored in the details of the signal from the dynamometer between the first and last measurements, both for the Db 4 ( p <= 0.023) and Bior 3.1 ( p <= 0.01) wavelets. These differences were found in 73% of patients whose curve patterns were analysed using the Db 4 wavelet and in 82% of patients in the case of the Bior 3.1 wavelet. CONCLUSIONS: The wavelet transform proved to be an effective research tool in the qualitative evaluation of irregularities occurring in the curve patterns of the torque generated by the extensors of the ACL reconstructed knee. The findings of the study suggest that time-frequency analyses of these characteristics can be of practical importance, as they help assess the state of the patient's knee joint and his progress in rehabilitation after ACLR. PMID- 29205226 TI - Is bearing resistance negligible during wheelchair locomotion? Design and validation of a testing device. AB - PURPOSE: Among the different resistances occurring during wheelchair locomotion and that limit the user autonomy, bearing resistance is generally neglected, based on a few studies carried out in static conditions and by manufacturer's assertion. Therefore, no special attention is generally paid to the mounting and the maintenance of manual wheelchair bearings. However, the effect of inadequate mounting or maintenance on wheelchair bearing resistance has still to be clarified. This study aimed at filling this gap by developing and validating a specific device allowing the measurement of wheelchair bearing friction, characterized by low speed velocities, with an accuracy lower than 0.003 Nm. METHODS: The bearing resistance measured by the device was compared to free deceleration measurement, intra and inter operator reproducibility were assessed. A factorial experiment allowed the effects of various functioning parameters (axial and radial loads, velocity) to be classified. RESULTS: The device allowed significant differences in the bearing resistance of static and rotating conditions to be measured, even if a relatively high proportionality was found between both conditions. The factorial experiment allowed the expected impact of the radial load on bearing resistance as well as the predominant effect of the axial load to be demonstrated. CONCLUSIONS: As a consequence, it appeared that the control of the axial load is compulsory for measurement purposes or during wheel mounting, to avoid significant increase of global resistance during wheelchair locomotion. The findings of this study could help enhancing the models which assess manual wheelchair mechanical power from its settings and use conditions. PMID- 29205227 TI - Digital image correlation techniques for strain measurement in a variety of biomechanical test models. AB - PURPOSE: Previous biomechanical studies have estimated the strains of bone and bone substitutes using strain gages. However, applying strain gages to biological samples can be difficult, and data collection is limited to a small area under the strain gage. The purpose of this study was to compare digital image correlation (DIC) strain measurements to those obtained from strain gages in order to assess the applicability of DIC technology to common biomechanical testing scenarios. METHODS: Compression and bending tests were conducted on aluminum alloy, polyurethane foam, and laminated polyurethane foam specimens. Simplified single-legged stance loads were applied to composite and cadaveric femurs. RESULTS: Results showed no significant differences in principal strain values (or variances) between strain gage and DIC measurements on the aluminum alloy and laminated polyurethane foam specimens. There were significant differences between the principal strain measurements of the non-laminated polyurethane foam specimens, but the deviation from theoretical results was similar for both measurement techniques. DIC and strain gage data matched well in 83.3% of all measurements in composite femur models and in 58.3% of data points in cadaveric specimens. Increased variation in cadaveric data was expected, and is associated with the well-documented variability of strain gage analysis on hard tissues as a function of bone temperature, hydration, gage protection, and other factors specific to cadaveric biomechanical testing. CONCLUSIONS: DIC techniques provide similar results to those obtained from strain gages across standard and anatomical specimens while providing the advantages of reduced specimen preparation time and full-field data analysis. PMID- 29205228 TI - Repression of YdaS Toxin Is Mediated by Transcriptional Repressor RacR in the Cryptic rac Prophage of Escherichia coli K-12. AB - Horizontal gene transfer is a major driving force behind the genomic diversity seen in prokaryotes. The cryptic rac prophage in Escherichia coli K-12 carries the gene for a putative transcription factor RacR, whose deletion is lethal. We have shown that the essentiality of racR in E. coli K-12 is attributed to its role in transcriptionally repressing toxin gene(s) called ydaS and ydaT, which are adjacent to and coded divergently to racR. IMPORTANCE Transcription factors in the bacterium E. coli are rarely essential, and when they are essential, they are largely toxin-antitoxin systems. While studying transcription factors encoded in horizontally acquired regions in E. coli, we realized that the protein RacR, a putative transcription factor encoded by a gene on the rac prophage, is an essential protein. Here, using genetics, biochemistry, and bioinformatics, we show that its essentiality derives from its role as a transcriptional repressor of the ydaS and ydaT genes, whose products are toxic to the cell. Unlike type II toxin-antitoxin systems in which transcriptional regulation involves complexes of the toxin and antitoxin, repression by RacR is sufficient to keep ydaS transcriptionally silent. PMID- 29205229 TI - CRISPR-Cas-Mediated Gene Silencing Reveals RacR To Be a Negative Regulator of YdaS and YdaT Toxins in Escherichia coli K-12. AB - Bacterial genomes are rich in horizontally acquired prophages. racR is an essential gene located in the rac prophage that is resident in many Escherichia coli genomes. Employing a clustered regularly interspaced short palindromic repeat (CRISPR)-Cas-based gene silencing approach, we show that RacR is a negative regulator of the divergently transcribed and adjacent ydaS-ydaT operon in Escherichia coli K-12. Overexpression of YdaS and YdaT due to RacR depletion leads to cell division defects and decrease in survival. We further show that both YdaS and YdaT can act independently as toxins and that RacR serves to counteract the toxicity by tightly downregulating the expression of these toxins. IMPORTANCEracR is an essential gene and one of the many poorly studied genes found on the rac prophage element that is present in many Escherichia coli genomes. Employing a CRISPR-based approach, we have silenced racR expression to various levels and elucidated its physiological consequences. We show that the downregulation of racR leads to upregulation of the adjacent ydaS-ydaT operon. Both YdaS and YdaT act as toxins by perturbing the cell division resulting in enhanced cell killing. This work establishes a physiological role for RacR, which is to keep the toxic effects of YdaS and YdaT in check and promote cell survival. We, thus, provide a rationale for the essentiality of racR in Escherichia coli K 12 strains. PMID- 29205230 TI - Can Protein Restriction Set Up T Lymphocytes Favorably For Their Activation Against Pathogens Through Myc? AB - One area that presents a significant threat to global health is infectious diseases. With increasing prevalence of antibiotic-resistant bacteria [1], opportunistic infections are a growing concern for human societies. In 2009, there were 89,000 deaths caused by pneumonia, septicemia, and influenza virus in the United States alone [2]. Antibiotic-resistant bacteria increase the risk of secondary infection that is associated with many standard medical procedures such as organ transplantation, chemotherapy, dialysis, and elective surgery [1]. The deceleration of new drug discovery suggests that acute preventative strategies strengthening host immunity prior to such procedures are of strong interest. In this mini review, I will suggest a protein restriction-Myc signaling as a potential pharmacological target to boost the survival outcome following pathogenic bacterial infection. PMID- 29205231 TI - Erratum to: Moving from medical to health systems classifications of deaths: extending verbal autopsy to collect information on the circumstances of mortality. AB - [This corrects the article DOI: 10.1186/s41256-016-0002-y.]. PMID- 29205237 TI - Pillararene-based fluorescent chemosensors: recent advances and perspectives. AB - In 2008, a new class of pillar-shaped supramolecular macrocyclic hosts was reported, known as "pillararenes". Their particular electron-rich cavity and the ease of their functionalization offer possibilities for the design and synthesis of novel fluorescent chemosensors. Subsequently, pillararene-based fluorescent sensors and probes have been rapidly developed. This feature article covers the most recent contributions from the pillararene-based fluorescent sensor field in terms of anion/cation sensing, small molecule recognition, biomolecule detection, fluorescent supramolecular aggregates, and biomedical imaging. Meanwhile, we hope that this feature article will inspire more effort to be devoted to this emerging field. PMID- 29205232 TI - Erratum to: Volume 1, Contraception and Reproductive Medicine. AB - [This corrects the article DOI: 10.1186/s40834-016-0016-3.][This corrects the article DOI: 10.1186/s40834-016-0011-8.][This corrects the article DOI: 10.1186/s40834-016-0009-2.][This corrects the article DOI: 10.1186/s40834-016 0010-9.][This corrects the article DOI: 10.1186/s40834-016-0008-3.]. PMID- 29205238 TI - The role of the sigma-holes in stability of non-bonded chalcogenidebenzene interactions: the ground and excited states. AB - The stability of the T-shaped and stacked complexes of benzene with methanethial (CH2S) and methaneselone (CH2Se) and their difluoro-, dichloro-, dibromo derivatives is investigated in their ground and first electronic excited states by means of the SCS-ADC2 method. The origin of the stabilization in the ground state is discussed based on the results of calculations performed using the DFT SAPT method. Calculations show that the stability of the T-shaped conformers increases upon electronic excitation, while it decreases for most of the stacked conformers. Both effects are explained by the changes in the electrostatic potential (ESP) of isolated monomers upon the electronic excitation. PMID- 29205239 TI - Role of surface oxidation on the size dependent mechanical properties of nickel nanowires: a ReaxFF molecular dynamics study. AB - Highly reactive metallic nickel (Ni) is readily oxidized by oxygen (O2) molecules even at low temperatures. The presence of the naturally resulting pre-oxide shell layer on metallic Ni nano materials such as Ni nanowires (NW) is responsible for degrading the deformation mechanisms and related mechanical properties. However, the role of the pre-oxide shell layer on the metallic Ni NW coupled with the complicated mechanical deformation mechanism and related properties have not yet been fully and independently understood. For this reason, the ReaxFF reactive force field for Ni/O interactions was used to investigate the effect of surface oxide layers and the size-dependent mechanical properties of Ni NWs under precisely controlled tensile loading conditions. To directly quantify the size dependent surface oxidation effect on the tensile mechanical deformation behaviour and related properties for Ni NWs, first, ReaxFF-molecular dynamics (MD) simulations were carried out to study the oxidation kinetics on the free surface of Ni NWs in a molecular O2 environment as a function of various diameters (D = 5.0, 6.5, and 8.0 nm) of the NWs, but at the same length. Single crystalline, pure metallic Ni NWs were also studied as a reference. The results of the oxidation simulations indicate that a surface oxide shell layer with limiting thickness of ~1.0 nm was formed on the free surface of the bare Ni NW, typically via dissociation of the O-O bonds and the subsequent formation of Ni-O bonds. Furthermore, we investigated the evolution of the size-dependent intrinsic mechanical elastic properties of the core-oxide shell (Ni/NixOy) NWs by comparing them with their un-oxidized counterparts under constant uniaxial tensile loading. We found that the oxide shell layer significantly decreases the mechanical properties of metallic Ni NW as well as facilitates the initiation of plastic deformation as a function of decreasing diameter. The disordered oxide shell layer on the Ni NW's surface remarkably reduces the yield stress and Young's modulus, due to the increased softening effects with the decreasing NW diameter, compared to un-oxidized counterparts. Moreover, the onset of plastic deformation occurs at a relatively low yielding strain and stress level for the smaller diameter of oxide-coated Ni NWs in comparison to their pure counterparts. Furthermore, for pure Ni NWs, Young's modulus, the yielding stress and strain slightly decrease with the decrease in the diameter size of Ni NWs. PMID- 29205240 TI - Impact of bi-axial strain on the structural, electronic and optical properties of photo-catalytic bulk bismuth oxyhalides. AB - The structural, electronic and optical properties of bulk bismuth oxyhalides, BiOX (X = F, Cl, Br, and I), were studied using state-of-the-art density functional theory (DFT)-based calculations. The effects of compressive and tensile strains on the in-plane lattice parameters were analyzed to better understand their good performance in photo-catalytic applications. Our present first-principles calculations show that at least 4% in-plane bi-axial compressive strain over the experimental lattice parameters of BiOF is needed for phonon stability of this material, whereas other BiOX systems can accept up to 2% in plane bi-axial compressive strain and retain their dynamical stability. On the other hand, 2% in-plane tensile strain breaks the structural stability of all bulk BiOX structures. Tuning the electronic band structures with such external compressive strain indeed helps to enhance the separation of charge carriers due to larger electron-hole effective mass differences in the BiOBr and BiOI structures. The optical properties are discussed from their calculated absorption spectra and optical conductivity within independent particle approximations. The average values of the calculated optical band gaps are in the range of 3.8-3.9 eV, 3.3-3.4 eV, 2.7-2.8 eV and 1.7-1.8 eV for the unstrained and compressive strained structures, respectively, of the BiOF, BiOCl, BiOBr and BiOI materials, which are reasonably good compared to their known experimental ultra-violet visible spectroscopy measured data. PMID- 29205241 TI - Exploration of H2 binding to the [NiFe]-hydrogenase active site with multiconfigurational density functional theory. AB - The combination of density functional theory (DFT) with a multiconfigurational wave function is an efficient way to include dynamical correlation in calculations with multiconfiguration self-consistent field wave functions. These methods can potentially be employed to elucidate reaction mechanisms in bio inorganic chemistry, where many other methods become either too computationally expensive or too inaccurate. In this paper, a complete active space (CAS) short range DFT (CAS-srDFT) hybrid was employed to investigate a bio-inorganic system, namely H2 binding to the active site of [NiFe] hydrogenase. This system was previously investigated with coupled-cluster (CC) and multiconfigurational methods in the form of cumulant-approximated second-order perturbation theory, based on the density matrix renormalization group (DMRG). We find that it is more favorable for H2 to bind to Ni than to Fe, in agreement with previous CC and DMRG calculations. The accuracy of CAS-srDFT is comparable to both CC and DMRG, despite much smaller active spaces were employed than in the corresponding DMRG calculations. This enhanced efficiency at the smaller active spaces shows that CAS-srDFT can become a useful method for bio-inorganic chemistry. PMID- 29205243 TI - Fluorescence quenching of the N-methylquinolinium cation by pairs of water or alcohol molecules. AB - N-Methylquinolinium cation (MQ+) in its first-excited singlet state is a strong oxidant commonly used as a photosensitizer, whose fluorescence is therefore quenched by electron donors. Interestingly, the fluorescence of MQ+ is also quenched by hydroxy compounds such as water and alcohols, more difficult to oxidize. We investigated the quenching mechanism of MQ+ fluorescence by small amounts of water and alcohols in acetonitrile solution. The fluorescence intensities and lifetimes exhibited a nonlinear dependence on the quencher concentration. We found evidence that emissive exciplexes MQ+*-ROH are formed between the excited quinolinium and the hydroxy compounds. An accurate quantitative description of the results was obtained with a model in which the exciplex reacts with a second molecule of the hydroxy compound, which quenches the fluorescence. The rate constant of this process increased as the quencher ionization energy decreased. We showed also that a low basicity of the hydroxy compound inhibits the quenching process. These results are consistent with the existence of a concerted photoinduced proton-coupled electron transfer (PCET) involving an intermediate complex of the excited quinolinium with a H-bonded molecular pair of the hydroxy compounds. In these pairs, a water or an alcohol molecule is able to donate an electron to the photoexcited quinolinium cation and a proton to the second H-bonded hydroxy molecule, showing an enhanced reducing power in comparison with the isolated molecule. The structure of the intermediate complex was investigated using high-level quantum mechanical calculations. At high water concentrations in acetonitrile/water mixtures, the quenching process is slowed down, indicating that higher water aggregates are less effective for a PCET process. The results obtained may be relevant to the study of water oxidation and electron transfer in biological systems. PMID- 29205242 TI - Refining tools to bridge the gap between academia and chemical regulation: perspectives for WikiREACH. AB - Regulatory hazard and risk assessments of chemical substances have to include all reliable and relevant data to be credible and complete. However, screening the literature for appropriate studies and extracting data is burdensome. Therefore, reducing impediments by making data easily and readily accessible to risk assessors could result in more comprehensive hazard and risk assessments. In this paper, we study WikiPharma, a database that aggregates ecotoxicity data for pharmaceuticals, extracted from peer-reviewed studies. The use of the WikiPharma database is explored to develop strategies on how similar tools can bridge between science and policy by providing risk assessors with easily accessible summary data. Specifically, adapting the concept of WikiPharma to industrial chemicals regulated under the REACH regulation is discussed. Experiences with WikiPharma show that there is interest in using peer-reviewed studies in regulatory decision-making. However, tools like WikiPharma require constant updates. Hence, as for "WikiREACH", effective incentives are needed to motivate researchers to feed in relevant data for regulatory assessments. Besides, support by automated processes can aid in the labour-intensive activity of gathering data. To ensure that such a tool is continuously maintained and compatible with the regulatory system, and thereby useful for hazard and risk assessments of chemicals, it would benefit from being developed in collaboration with the major stakeholders in the field, i.e. regulatory agencies, academia, industry, scientific journals, and providers of research network platforms. PMID- 29205244 TI - Synchronous magnetic control of water droplets in bulk ferrofluid. AB - We present a microfluidic platform for magnetic manipulation of water droplets immersed in bulk oil-based ferrofluid. Although non-magnetic, the droplets are exclusively controlled by magnetic fields without any pressure-driven flow. The fluids are dispensed in a sub-millimeter Hele-Shaw chamber that includes permalloy tracks on its substrate. An in-plane rotating magnetic field magnetizes the permalloy tracks, producing local magnetic gradients, while an orthogonal magnetic field magnetizes the bulk ferrofluid. To minimize the magnetostatic energy of the system, the water droplets are attracted towards the locations on the tracks where the bulk ferrofluid is repelled. Using this technique, we demonstrate synchronous generation and propagation of water droplets, study the kinematics of propagation, and analyze the flow of the bulk ferrofluid. In addition, we show controlled break-up of droplets and droplet-to-droplet interactions. Finally, we discuss future applications owing to the potential biocompatibility of the droplets. PMID- 29205249 TI - Healthybrains.org: From Registry to Randomization. PMID- 29205250 TI - Integrating Information from FDG - and Amyloid PET for Detecting Different Types of Dementia in Older Persons. A Case-series Study. AB - A significant progress has been made in the understanding of the neurobiology of Alzheimer's disease. The post-mortem studies are the gold standard for a correct histopathological diagnosis, contributing to clarify the correlation with cognitive, behavioral and extra-cognitive domains. However, the relationship between pathological staging and clinical involvement remains challenging. Neuroimaging, including positron emission tomography (PET) and magnetic resonance, could help to bridge the gap by providing in vivo information about disease staging. In the last decade, advances in the sensitivity of neuroimaging techniques have been described, in order to accurately distinguish AD from other causes of dementia. Fluorodeoxyglucose-traced PET (FDG-PET) is able to measure cerebral metabolic rates of glucose, a proxy for neuronal activity, theoretically allowing detection of AD. Many studies have shown that this technique could be used in early AD, where reduced metabolic activity correlates with disease progression and predicts histopathological diagnosis. More recently, molecular imaging has made possible to detect brain deposition of histopathology-confirmed neuritic beta-amyloid plaques (Abeta) using PET. Although Abeta plaques are one of the defining pathological features of AD, elevated levels of Abeta can be detected with this technique also in older individuals without dementia. This raises doubts on the utility of Abeta PET to identify persons at high risk of developing AD. In the present case-series, we sought to combine metabolic information (from FDG-PET) and amyloid plaque load (from Abeta PET) in order to correctly distinguish AD from other forms of dementia. By selecting patients with Abeta PET + / FDG-PET + and Abeta PET - / FDG-PET +, we propose an integrated algorithm of clinical and molecular imaging information to better define type of dementia in older persons. PMID- 29205251 TI - A Personalized 12-week "Brain Fitness Program" for Improving Cognitive Function and Increasing the Volume of Hippocampus in Elderly with Mild Cognitive Impairment. AB - Reducing cognitive decline in patients with Mild Cognitive Impairment (MCI) may slow their progression to develop dementia. In this 12-week single-arm intervention trial, elderly patients (n = 127, age 70.69 +/-10.53, 63% female) with a diagnosis of MCI were enrolled in a multi-disciplinary Brain Fitness Program. The main outcome measure was changes in a battery of 10 cognitive domains. Each patient received weekly personalized cognitive stimulation, neurofeedback training, and brain coaching/counseling for eating a Mediterranean diet, taking omega-3 supplements, increasing fitness, and practicing mindfulness meditation. The post-program testing showed 84% of the patients experienced statistically significant improvements in their cognitive function (p< 0.05). Among the random sample of 17 patients who had a post-program quantitative MRI, 12 patients had either no atrophy or an actual growth above the baseline volume of their hippocampus. These preliminary findings support the concept that a personalized Brain Fitness Program can improve cognitive function and either reverse or grow the volume of hippocampus in elderly with MCI. PMID- 29205252 TI - Correlation between Cognition and Function across the Spectrum of Alzheimer's Disease. AB - BACKGROUND: Both cognitive and functional deterioration are characteristic of the clinical progression of Alzheimer's disease (AD). OBJECTIVES: To systematically assess correlations between widely used measures of cognition and function across the spectrum of AD. DESIGN: Spearman rank correlations were calculated for cognitive and functional measures across datasets from various AD patient populations. SETTING: Post-hoc analysis from existing databases. PARTICIPANTS: Pooled data from placebo-treated patients with mild (MMSE score >=20 and <=26) and moderate (MMSE score >=16 and <=19) AD dementia from two Phase 3 solanezumab (EXPEDITION/2) and two semagecesatat (IDENTITY/2) studies and normal, late mild cognitive impairment (LMCI) and mild AD patients from the Alzheimer's Disease Neuroimaging Initiative 2-Grand Opportunity (ADNI-2/GO). Intervention (if any): Placebo (EXPEDITION/2 and IDENTITY/2 subjects). MEASUREMENTS: Cognitive and functional abilities were measured in all datasets. Data were collected at baseline and every three months for 18 months in EXPEDITION and IDENTITY studies; and at baseline, 6, 12, and 24 months in the ADNI dataset. RESULTS: The relationship of cognition and function became stronger over time as AD patients progressed from preclinical to moderate dementia disease stages, with the magnitude of correlations dependent on disease stage and the complexity of functional task. The correlations were minimal in the normal control population, but became stronger with disease progression. CONCLUSIONS: This analysis found that measures of cognition and function become more strongly correlated with disease progression from preclinical to moderate dementia across multiple datasets. These findings improve the understanding of the relationship between cognitive and functional clinical measures during the course of AD progression and how cognition and function measures relate to each other in AD clinical trials. PMID- 29205253 TI - Effects of Computerized Cognitive Training on Gait Speed in Community Dwelling Older Adults, A Pilot Study. AB - BACKGROUND: In older adults declines in gait speed have been identified as predictors of functional decline and have been found in those with cognitive dysfunction. Cognitive training interventions that emphasize addressing executive function (EF) have resulted in a transfer effect from training cognitive processes into improved function. However research examining the effects of an EF specific computerized cognitive training (CCT) program on gait speed (GS) is limited. OBJECTIVES: To compare the effects of a six week EF specific CCT program on GS in community dwelling older adults using a pretest/posttest experimental design with subgroup comparisons based on a cutoff GS of 1.0m/s. SETTING: Home based. PARTICIPANTS: Forty independent living older adults (>65 years) without diagnosed cognitive impairment participated in either the intervention or control groups. INTERVENTION: A six week long progressively challenging EF focused CCT program was performed at home. MEASUREMENTS: Demographic variables, cognitive function (Trail-Making Test Part B) and GS were measured at baseline at week 7. Between group comparisons were completed for the whole sample initially with subgroup comparisons performed based on participants' initial GS (Slow walkers: GS<1.0m/s; Fast Walkers: GS>1.0m/s). RESULTS: No differences in GS were found for the whole population, but subgroup analyses restricted to slow walkers demonstrated a statistically significant improvement in GS after 6 weeks of CCT (u =0.33 m/s, p = 0.03). Other outcomes measures were not statistically different at posttest. CONCLUSIONS: Older adults who walk at speeds <1.0m/s may benefit from a progressively challenging CCT program when self-administered in the home. PMID- 29205254 TI - Primary Prevention of Dementia: An Epidemiological Point of View. AB - From an epidemiological perspective, in order to increase the level of evidence, it is necessary to refer to data from longitudinal studies to validate the temporal relationship between exposure (e.g. the behavior or modifying factor) and the disease. Findings from such studies are useful for defining risk factors and laying the groundwork for proposing interventions for prevention. This step is crucial in order to define the periods (life-course approach) and groups at risk, which will then become the targets of interventions designed to modify behaviors or lifestyle. Specifying the underlying mechanisms of these risk factors is one of the objectives of etiological epidemiology which focuses on the origin of diseases but is not essential for a more pragmatic interventional approach. These questions are essential for dementia prevention and are discussed in this paper. Furthermore, timing interventions is a major problem even if we identify primary prevention pathways in dementia. Another important concern for epidemiologists is the need to make projections to estimate the number of dementia cases in the next decades considering different intervention scenarios. These models require adequate descriptive indicators of dementia, demography and mortality and precise estimations of the impact of potential interventions in terms of delaying disease onset for instance. PMID- 29205255 TI - Combination Therapy of Anti-Tau and Anti-Amyloid Drugs for Disease Modification in Early-stage Alzheimer's Disease: Socio-economic Considerations Modeled on Treatments for Tuberculosis, HIV/AIDS and Breast Cancer. AB - Current drugs for treatment of mild to severe dementia of the Alzheimer's type include cholinesterase inhibitors and the NMDA non-competitive receptor antagonist memantine. There is controversy as to the additive benefit of these symptomatic drugs, and their effects are clinically modest. Patients with Alzheimer's disease (AD) are known to have characteristic pathology, including senile plaques with amyloid beta-protein aggregates and neurofibrillary tangles with assembled tau proteins, which start in the hippocampus and spread to neighboring areas. Amyloid and tau modifying drugs are under clinical testing. Based on this pathophysiology, it is crucial to investigate whether anti-amyloid and anti-tau combined therapy would show efficacy in early stage of AD, beyond what could be achieved with anti-amyloid or anti-tau monotherapy. It is equally important to consider the socio-economic implications of such a combination therapy, if effective. We hypothesize that the high costs of combination therapy for early-stage AD patients will require societal and public health initiatives to ensure universal access to AD treatment. In order to better predict these socio-economic implications, we summarize the management of other combination therapies used for tuberculosis, HIV/AIDS, and breast cancer, based on a database search of PubMed and other relevant sources. We put forward a framework for testing a potential anti-amyloid and anti-tau disease modifying combination therapy for early-stage AD patients and present an analysis of the socio-economic implications of such a combination therapy. PMID- 29205256 TI - The Case for Using Actigraphy Generated Sleep and Activity Endpoints in Alzheimer's Disease Clinical Trials. AB - More and more people in the industrialised world use wearables and smartphones to monitor their health and fitness. These devices are often used in combination with special apps to monitor and document daily activities and sleep. It would appear to be a logical step to assess the relevance of these devices in drug development trials. In contrast to the consumer devices, the technology used in clinical trials needs to be validated and compliant with the relevant regulations. Even under these complex requirements, wearables offer a number of new opportunities to objectively capture clinically relevant outcome measures potentially with lower burden for patients and site staff. As an example, we describe the use in Alzheimer's disease drug development studies. This is an indication where there have been a number of failures, in part due to the difficulties this patient population has in reliably completing existing tools. In addition rater scales add complexity due to inter- and intra-rater variability. PMID- 29205257 TI - Ischemic stroke activates the VE-cadherin promoter and increases VE-cadherin expression in adult mice. AB - Endothelial cells (ECs) are a key component of the blood-brain barrier (BBB). Healthy ECs in the BBB form inter-endothelial junctions, including adherens junctions (AJs). Under pathological conditions, such as after ischemic stroke, the BBB may be functionally compromised. However, gene and protein expression patterns involving endothelial AJs have not been well studied. Because expression levels of endothelial AJs are considered to be related to BBB functionality, we investigated the expression pattern of a representative endothelial AJ marker, VE cadherin, in healthy and diseased mice. We first examined the expression of VE cadherin in developing mouse brains. In addition, to a mouse model of cerebral infarction, we investigated the expression pattern of VE-cadherin in pathologic brains. Furthermore, using the Cre-LoxP system, we established a strain of mice expressing yellow fluorescent protein (YFP) under the control of the VE-cadherin promoter and investigated the expression pattern of YFP-expressing ECs in developing and pathologic murine brains. VE-cadherin protein and YFP expression driven by the VE-cadherin promoter both showed that VE-cadherin expression was weak during embryonic stages, followed by a steady increase postnatally, which then decreased during adulthood. However, following ischemic stroke, imunohistochemistry of VE-cadherin demonstrated an upregulation in ECs within ischemic regions, concomitant with YFP upregulation. These findings reveal that ischemic stroke activates the VE-cadherin promoter and increases VE-cadherin protein expression, which suggests that endothelial VE-cadherin is involved in the reconstruction of the BBB following ischemic stroke. PMID- 29205259 TI - CD34+ selected stem cell boosts can improve poor graft function after paediatric allogeneic stem cell transplantation. AB - Poor graft function (PGF) is a severe complication of haematopoietic stem cell transplantation (HSCT) and administration of donor stem cell boosts (SCBs) represents a therapeutic option. We report 50 paediatric patients with PGF who received 61 boosts with CD34+ selected peripheral blood stem cells (PBSC) after transplantation from matched unrelated (n = 25) or mismatched related (n = 25) donors. Within 8 weeks, a significant increase in median neutrophil counts (0.6 vs. 1.516 * 109 /l, P < 0.05) and a decrease in red blood cell and platelet transfusion requirement (median frequencies 1 and 7 vs. 0, P < 0.0001 and <0.001), were observed, and 78.8% of patients resolved one or two of their cytopenias. 36.5% had a complete haematological response. Median lymphocyte counts for CD3+ , CD3+ CD4+ , CD19+ and CD56+ increased 8.3-, 14.2-, 22.- and 1.6 fold. The rate of de novo acute graft-versus-host disease (GvHD) grade I-III was only 6% and resolved completely. No GvHD grade IV or chronic GvHD occurred. Patients who responded to SCB displayed a trend toward better overall survival (OS) (P = 0.07). Thus, administration of CD34+ selected SCBs from alternative donors is safe and effective. Further studies are warranted to clarify the impact on immune reconstitution and survival. PMID- 29205258 TI - Sustained intra-cartilage delivery of low dose dexamethasone using a cationic carrier for treatment of post traumatic osteoarthritis. AB - Disease-modifying osteoarthritis drugs (DMOADs) should reach their intra-tissue target sites at optimal doses for clinical efficacy. The dense, negatively charged matrix of cartilage poses a major hindrance to the transport of potential therapeutics. In this work, electrostatic interactions were utilised to overcome this challenge and enable higher uptake, full-thickness penetration and enhanced retention of dexamethasone (Dex) inside rabbit cartilage. This was accomplished by using the positively charged glycoprotein avidin as nanocarrier, conjugated to Dex by releasable linkers. Therapeutic effects of a single intra-articular injection of low dose avidin-Dex (0.5 mg Dex) were evaluated in rabbits 3 weeks after anterior cruciate ligament transection (ACLT). Immunostaining confirmed that avidin penetrated the full cartilage thickness and was retained for at least 3 weeks. Avidin-Dex suppressed injury-induced joint swelling and catabolic gene expression to a greater extent than free Dex. It also significantly improved the histological score of cell infiltration and morphogenesis within the periarticular synovium. Micro-computed tomography confirmed the reduced incidence and volume of osteophytes following avidin-Dex treatment. However, neither treatment restored the loss of cartilage stiffness following ACLT, suggesting the need for a combinational therapy with a pro-anabolic factor for enhancing matrix biosynthesis. The avidin dose used caused significant glycosaminoglycan (GAG) loss, suggesting the use of higher Dex : avidin ratios in future formulations, such that the delivered avidin dose could be much less than that shown to affect GAGs. This charge-based delivery system converted cartilage into a drug depot that could also be employed for delivery to nearby synovium, menisci and ligaments, enabling clinical translation of a variety of DMOADs. PMID- 29205260 TI - Treatment of severe recalcitrant pyoderma gangrenosum with ustekinumab. AB - An increased expression of interleukin-23 has been observed in patients with pyoderma gangrenosum, leading to the use of ustekinumab as a therapeutic option. We report the successful use of ustekinumab in three patients with treatment resistant pyoderma gangrenosum of varying clinical presentations. PMID- 29205262 TI - Perceptions on the value of bodily functions in multiple sclerosis. AB - BACKGROUND: In neurological diseases presenting with a plethora of symptoms, the value of bodily functions for a given patient might be a guide for clinical management. Multiple sclerosis (MS) is paradigmatic in this respect, and little is known about the value of different bodily functions of patients and their physicians' perceptions. METHODS: In a multicenter study, 171 patients with relapsing-remitting multiple sclerosis (RRMS), 61% with a clinically active disease within the last 2 years were followed over up to 3 years and yearly patients and their study physician rated on the perceived value of 13 bodily functions via a priority list. Differences between patients and physicians as well as modulating disease demographic factors were analyzed. RESULTS: Patients with RRMS rated visual function followed by thinking and memory and walking highest while physicians stressed mobility, followed by thinking and memory and alertness most. Ratings were independent from disease duration or disability. Strongest value judgment differences were seen in swallowing regarded more relevant by patients and hand function regarded more relevant by physicians. In general, patients' and physicians' ratings through time were quite stable. Collapsing physical items into a physical functioning scale and mental items in a mental function scale, both dimensions were regarded equally important by patients while physicians underscored physical functioning (P = .016). CONCLUSION: There are differences between patients and physicians in value statements of bodily functions in MS. In particular, visual functioning is under recognized by physicians. PMID- 29205263 TI - LSD1 (KDM1A)-independent effects of the LSD1 inhibitor SP2509 in cancer cells. PMID- 29205261 TI - Report and Research Agenda of the American Geriatrics Society and National Institute on Aging Bedside-to-Bench Conference on Urinary Incontinence in Older Adults: A Translational Research Agenda for a Complex Geriatric Syndrome. AB - The American Geriatrics Society, with support from the National Institute on Aging and other funders, held its ninth Bedside-to-Bench research conference, entitled "Urinary Incontinence in the Older Adult: A Translational Research Agenda for a Complex Geriatric Syndrome," October 16 to 18, 2016, in Bethesda, Maryland. As part of a conference series addressing three common geriatric syndromes-delirium, sleep and circadian rhythm disturbance, and urinary incontinence-the series highlighted relationships and pertinent clinical and pathophysiological commonalities between these conditions. The conference provided a forum for discussing current epidemiology, basic science, and clinical and translational research on urinary incontinence in older adults; for identifying gaps in knowledge; and for developing a research agenda to inform future investigative efforts. The conference also promoted networking involving emerging researchers and thought leaders in the field of incontinence, aging, and other fields of research, as well as National Institutes of Health program personnel. PMID- 29205265 TI - The need for longer time horizons for cost-utility evaluation in bullous pemphigoid: reply from the authors. PMID- 29205264 TI - Diet, physical activity or both for prevention or delay of type 2 diabetes mellitus and its associated complications in people at increased risk of developing type 2 diabetes mellitus. AB - BACKGROUND: The projected rise in the incidence of type 2 diabetes mellitus (T2DM) could develop into a substantial health problem worldwide. Whether diet, physical activity or both can prevent or delay T2DM and its associated complications in at-risk people is unknown. OBJECTIVES: To assess the effects of diet, physical activity or both on the prevention or delay of T2DM and its associated complications in people at increased risk of developing T2DM. SEARCH METHODS: This is an update of the Cochrane Review published in 2008. We searched the CENTRAL, MEDLINE, Embase, ClinicalTrials.gov, ICTRP Search Portal and reference lists of systematic reviews, articles and health technology assessment reports. The date of the last search of all databases was January 2017. We continuously used a MEDLINE email alert service to identify newly published studies using the same search strategy as described for MEDLINE up to September 2017. SELECTION CRITERIA: We included randomised controlled trials (RCTs) with a duration of two years or more. DATA COLLECTION AND ANALYSIS: We used standard Cochrane methodology for data collection and analysis. We assessed the overall quality of the evidence using GRADE. MAIN RESULTS: We included 12 RCTs randomising 5238 people. One trial contributed 41% of all participants. The duration of the interventions varied from two to six years. We judged none of the included trials at low risk of bias for all 'Risk of bias' domains.Eleven trials compared diet plus physical activity with standard or no treatment. Nine RCTs included participants with impaired glucose tolerance (IGT), one RCT included participants with IGT, impaired fasting blood glucose (IFG) or both, and one RCT included people with fasting glucose levels between 5.3 to 6.9 mmol/L. A total of 12 deaths occurred in 2049 participants in the diet plus physical activity groups compared with 10 in 2050 participants in the comparator groups (RR 1.12, 95% CI 0.50 to 2.50; 95% prediction interval 0.44 to 2.88; 4099 participants, 10 trials; very low-quality evidence). The definition of T2DM incidence varied among the included trials. Altogether 315 of 2122 diet plus physical activity participants (14.8%) developed T2DM compared with 614 of 2389 comparator participants (25.7%) (RR 0.57, 95% CI 0.50 to 0.64; 95% prediction interval 0.50 to 0.65; 4511 participants, 11 trials; moderate-quality evidence). Two trials reported serious adverse events. In one trial no adverse events occurred. In the other trial one of 51 diet plus physical activity participants compared with none of 51 comparator participants experienced a serious adverse event (low-quality evidence). Cardiovascular mortality was rarely reported (four of 1626 diet plus physical activity participants and four of 1637 comparator participants (the RR ranged between 0.94 and 3.16; 3263 participants, 7 trials; very low-quality evidence). Only one trial reported that no non-fatal myocardial infarction or non fatal stroke had occurred (low-quality evidence). Two trials reported that none of the participants had experienced hypoglycaemia. One trial investigated health related quality of life in 2144 participants and noted that a minimal important difference between intervention groups was not reached (very low-quality evidence). Three trials evaluated costs of the interventions in 2755 participants. The largest trial of these reported an analysis of costs from the health system perspective and society perspective reflecting USD 31,500 and USD 51,600 per quality-adjusted life year (QALY) with diet plus physical activity, respectively (low-quality evidence). There were no data on blindness or end-stage renal disease.One trial compared a diet-only intervention with a physical activity intervention or standard treatment. The participants had IGT. Three of 130 participants in the diet group compared with none of the 141 participants in the physical activity group died (very low-quality evidence). None of the participants died because of cardiovascular disease (very low-quality evidence). Altogether 57 of 130 diet participants (43.8%) compared with 58 of 141 physical activity participants (41.1%) group developed T2DM (very low-quality evidence). No adverse events were recorded (very low-quality evidence). There were no data on non-fatal myocardial infarction, non-fatal stroke, blindness, end-stage renal disease, health-related quality of life or socioeconomic effects.Two trials compared physical activity with standard treatment in 397 participants. One trial included participants with IGT, the other trial included participants with IGT, IFG or both. One trial reported that none of the 141 physical activity participants compared with three of 133 control participants died. The other trial reported that three of 84 physical activity participants and one of 39 control participants died (very low-quality evidence). In one trial T2DM developed in 58 of 141 physical activity participants (41.1%) compared with 90 of 133 control participants (67.7%). In the other trial 10 of 84 physical activity participants (11.9%) compared with seven of 39 control participants (18%) developed T2DM (very low-quality evidence). Serious adverse events were rarely reported (one trial noted no events, one trial described events in three of 66 physical activity participants compared with one of 39 control participants - very low-quality evidence). Only one trial reported on cardiovascular mortality (none of 274 participants died - very low-quality evidence). Non-fatal myocardial infarction or stroke were rarely observed in the one trial randomising 123 participants (very low-quality evidence). One trial reported that none of the participants in the trial experienced hypoglycaemia. One trial investigating health-related quality of life in 123 participants showed no substantial differences between intervention groups (very low-quality evidence). There were no data on blindness or socioeconomic effects. AUTHORS' CONCLUSIONS: There is no firm evidence that diet alone or physical activity alone compared to standard treatment influences the risk of T2DM and especially its associated complications in people at increased risk of developing T2DM. However, diet plus physical activity reduces or delays the incidence of T2DM in people with IGT. Data are lacking for the effect of diet plus physical activity for people with intermediate hyperglycaemia defined by other glycaemic variables. Most RCTs did not investigate patient-important outcomes. PMID- 29205266 TI - Amphiphilic lysine conjugated to tobramycin synergizes legacy antibiotics against wild-type and multidrug-resistant Pseudomonas aeruginosa. AB - Peptidomimetic modification is a common route of optimization for biologically active peptides. Previous studies in our group have shown that conjugation of amphiphilic tobramycin to other antibacterials enhance their latent outer membrane permeabilizing and efflux blocking activity toward Gram-negative pathogens including Pseudomonas aeruginosa. Herein, we describe the antimicrobial adjuvant properties of amphiphilic lysine ligated to tobramycin. The most potent amphiphilic lysine-tobramycin conjugate 3 potentiated the antibacterial efficacy of 8 clinically used antibiotics against wild type, multidrug- and extensively drug-resistant P. aeruginosa isolates from Canadian hospitals whereas amphiphilic lysine 4 did not. Antibiotics that are synergistic with conjugate 3 included moxifloxacin, ciprofloxacin, erythromycin, chloramphenicol, trimethoprim, novobiocin, linezolid, and fosfomycin. Out of these 8 antibiotics, novobiocin showed highest synergy. PMID- 29205267 TI - The absolute percent deviation of IGHV mutation rather than a 98% cut-off predicts survival of chronic lymphocytic leukaemia patients treated with fludarabine, cyclophosphamide and rituximab. PMID- 29205268 TI - Hidradenitis and smoking. PMID- 29205269 TI - Imatinib-related interstitial lung disease. PMID- 29205270 TI - Severe multiple sclerosis reactivation during prolonged lymphopenia after dimethyl fumarate discontinuation. AB - BACKGROUND: Delayed-release dimethyl fumarate (DMF) treatment can be associated with reduced lymphocyte and leucocyte counts, which might persist after DMF discontinuation. CASE PRESENTATION: We report the case of a patient with severe disease reactivation despite prolonged lymphopenia after DMF discontinuation. We describe the frequency and impact of prolonged lymphopenia after DMF discontinuation at two tertiary MS centres. A 36-year-old female patient with multiple sclerosis was switched to DMF after 14 years of treatment with interferon beta-1a. DMF was suspended after 4 months because of persistent lymphopenia for 3 months. Six months later, the patient had a severe relapse with multiple enhancing brain lesions at MRI although lymphopenia was still persistent. Haematological assessment excluded other causes of lymphopenia, which was evaluated as a probable iatrogenic complication of DMF. The patient was treated with i.v. methylprednisolone 1 gr daily for 3 days with clinical recovery. CONCLUSIONS: Prolonged lymphopenia after DMT discontinuation does not protect against disease reactivation. Starting a new immune therapy should be balanced against the option of a "wait and see." A different immunotherapeutic strategy such as an anti-B therapeutic approach could be considered. PMID- 29205271 TI - A randomized controlled trial of the ketogenic diet in refractory childhood epilepsy. PMID- 29205272 TI - Complex relations between body temperature, tPA action, and stroke outcome. PMID- 29205273 TI - A randomized controlled trial of the ketogenic diet in refractory childhood epilepsy. PMID- 29205274 TI - Production of cellulosic organic acids via synthetic fungal consortia. AB - Consolidated bioprocessing (CBP) is a potential breakthrough technology for reducing costs of biochemical production from lignocellulosic biomass. Production of cellulase enzymes, saccharification of lignocellulose, and conversion of the resulting sugars into a chemical of interest occur simultaneously within a single bioreactor. In this study, synthetic fungal consortia composed of the cellulolytic fungus Trichoderma reesei and the production specialist Rhizopus delemar demonstrated conversion of microcrystalline cellulose (MCC) and alkaline pre-treated corn stover (CS) to fumaric acid in a fully consolidated manner without addition of cellulase enzymes or expensive supplements such as yeast extract. A titer of 6.87 g/L of fumaric acid, representing 0.17 w/w yield, were produced from 40 g/L MCC with a productivity of 31.8 mg/L/hr. In addition, lactic acid was produced from MCC using a fungal consortium with Rhizopus oryzae as the production specialist. These results are proof-of-concept demonstration of engineering synthetic microbial consortia for CBP production of naturally occurring biomolecules. PMID- 29205275 TI - Antenatal maternal education for improving postnatal perineal healing for women who have birthed in a hospital setting. AB - BACKGROUND: The female perineum becomes suffused and stretched during pregnancy, and further strain during vaginal childbirth contributes to approximately 85% of women experiencing some degree of trauma to the perineal region. Multiple factors play a role in the type and severity of trauma experienced, including parity, delivery method, and local practices. There is ongoing debate about best midwifery practice to reduce perineal trauma. Once perineal trauma has occurred, treatment also varies greatly, depending on its degree and severity, local practice and customs, and personal preference. In order to optimise wound-healing outcomes, it is important that wounds are assessed and managed in an appropriate and timely manner. A perineal wound may cause significant physical and/or psychological impact in the short or long term, however little evidence is available on this subject.Antenatal education serves to prepare women and their partners for pregnancy, delivery and the postpartum period. The delivery of this education varies widely in type, content, and nature. This review examined antenatal education which is specifically tailored towards perineal care and wound healing in the postnatal period via formal channels. Appropriate patient education positively impacts on wound-healing rates and compliance with wound care. Risk factors that contribute to the breakdown of wounds and poor healing rates may be addressed antenatally in order to optimise postnatal wound healing. It is important to assess whether or not antenatal wound-care education positively affects perineal healing, in order to empower women to incorporate best practice, evidence-based treatment with this important aspect of self-care in the immediate postnatal period. OBJECTIVES: To evaluate the effects of antenatal education on perineal wound healing in postnatal women who have birthed in a hospital setting, and who have experienced a break in the skin of the perineum as a result of a tear or episiotomy, or both. SEARCH METHODS: We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (30 September 2017), ClinicalTrials.gov (8th September 2017), the WHO International Clinical Trials Registry Platform (ICTRP) (8th September 2017) and reference lists of retrieved studies. SELECTION CRITERIA: We considered randomised controlled trials (RCTs) which referred to all formal methods of antenatal education and addressed care of a potential perineal wound as a result of a tear or episiotomy, which was experienced by pregnant women who planned to give birth within a hospital setting.Trials using a cluster-RCT and a quasi-randomised design would have been eligible for inclusion in this review but none were identified. Cross-over trials were not eligible for inclusion in this review. Studies published in abstract form would have been eligible for inclusion in this review, but none were identified.We planned to consider all formal methods of antenatal education which addressed care of a perineal wound. We also planned to consider all contact points where there was an opportunity for formal education, including midwifery appointments, antenatal education classes, obstetrician appointments, general practitioner appointments and physiotherapist appointments. DATA COLLECTION AND ANALYSIS: Two review authors independently assessed titles and abstracts of the studies identified by the search strategy for their eligibility. MAIN RESULTS: No studies met the inclusion criteria for this review. We excluded one study and one other study is ongoing. AUTHORS' CONCLUSIONS: We set out to evaluate the RCT evidence pertaining to the impact of antenatal education on perineal wound healing in postnatal women who have birthed in a hospital setting, and who experienced a break in the skin of the perineum as a result of a tear or episiotomy, or both. However, no studies met the inclusion criteria. There is a lack of evidence concerning whether or not antenatal education relating to perineal wound healing in this cohort of women will change the outcome for these women in relation to wound healing, infection rate, re attendance or re-admission to hospital, pain, health-related quality of life, maternal bonding, and negative emotional experiences. Further study is warranted in this area given the significant physical, psychological and economic impact of perineal wounds, and the large proportion of childbearing women who have experienced a postnatal wound. The benefits of any future research in this field would be maximised by incorporating women in a range of socio-economic groups, and with a range of healthcare options. This research could take both a qualitative and a quantitative approach and examine the outcomes identified in this review in order to assess fully the potential benefits of a tailored antenatal package, and to make recommendations for future practice. There is currently no evidence to inform practice in this regard. PMID- 29205276 TI - Response to 'Phase IV head-to-head randomized controlled trial comparing ingenol mebutate 0.015% gel with diclofenac sodium 3% gel for the treatment of actinic keratosis on the face or scalp'. PMID- 29205278 TI - Jack Aviv and brains of children. AB - Both lead intoxication in early childhood and deficient bilirubin-binding capacity (BBC) of blood in jaundiced neonates indicate risk for brain damage. Zinc protoporphyrin (ZPP) is a biomarker for lead intoxication (PbI) as well as well as for iron deficiency. Under the leadership of Jack Aviv, Aviv Biomedical, Inc. developed robust hematofluorometers for point-of-care assays of ZPP in blood and for the high-affinity BBC of blood. These assays use just drops of whole blood and are simple, fast and inexpensive. ZPP by hematofluorometry has been used world-wide as a primary screen for lead intoxication since 1979. Recent clinical studies enabled by an Aviv Biomedical, Inc. bilirubin hematofluorometer have renewed interest in BBC-based assessment of neurotoxicity for improved management of neonatal jaundice. This article sketches Jack Aviv's contribution to the development and application of hematofluorometry. PMID- 29205277 TI - Clinical and genetic factors are associated with pain and hospitalisation rates in sickle cell anaemia in Cameroon. AB - We aimed to investigate the clinical and genetic predictors of painful vaso occlusive crises (VOC) in sickle cell disease (SCD) in Cameroon. Socio demographics, clinical variables/events and haematological indices were acquired. Genotyping was performed for 40 variants in 17 pain-related genes, three fetal haemoglobin (HbF)-promoting loci, two kidney dysfunctions-related genes, and HBA1/HBA2 genes. Statistical models using regression frameworks were performed in R(r) . A total of 436 hydoxycarbamide- and opioid-naive patients were studied; median age was 16 years. Female sex, body mass index, Hb/HbF, blood transfusions, leucocytosis and consultation or hospitalisation rates significantly correlated with VOC. Three pain-related genes variants correlated with VOC (CACNA2D3 rs6777055, P = 0.025; DRD2-rs4274224, P = 0.037; KCNS1-rs734784, P = 0.01). Five pain-related genes variants correlated with hospitalisation/consultation rates. (COMT-rs6269, P = 0.027; FAAH-rs4141964, P = 0.003; OPRM1-rs1799971, P = 0.031; ADRB2-rs1042713; P < 0.001; UGT2B7-rs7438135, P = 0.037). The 3.7 kb HBA1/HBA2 deletion correlated with increased VOC (P = 0.002). HbF-promoting loci variants correlated with decreased hospitalisation (BCL11A-rs4671393, P = 0.026; HBS1L-MYB rs28384513, P = 0.01). APOL1 G1/G2 correlated with increased hospitalisation (P = 0.048). This first study from Africa has provided evidence supporting possible development of genetic risk model for pain in SCD. PMID- 29205279 TI - Paramagnetism in Bacillus spores: Opportunities for novel biotechnological applications. AB - Spores of Bacillus megaterium, Bacillus cereus, and Bacillus subtilis were found to exhibit intrinsic paramagnetic properties as a result of the accumulation of manganese ions. All three Bacillus species displayed strong yet distinctive magnetic properties arising from differences in manganese quantity and valency. Manganese ions were found to accumulate both within the spore core as well as being associated with the surface of the spore. Bacillus megaterium spores accumulated up to 1 wt.% manganese (II) within, with a further 0.6 wt.% adsorbed onto the surface. At room temperature, Bacillus spores possess average magnetic susceptibilities in the range of 10-6 to 10-5 . Three spore-related biotechnological applications-magnetic sensing, magnetic separation and metal ion adsorption-were assessed subsequently, with the latter two considered as having the most potential for development. PMID- 29205281 TI - The need for longer time horizons for cost-utility evaluation in bullous pemphigoid. PMID- 29205280 TI - Maximizing neotissue growth kinetics in a perfusion bioreactor: An in silico strategy using model reduction and Bayesian optimization. AB - In regenerative medicine, computer models describing bioreactor processes can assist in designing optimal process conditions leading to robust and economically viable products. In this study, we started from a (3D) mechanistic model describing the growth of neotissue, comprised of cells, and extracellular matrix, in a perfusion bioreactor set-up influenced by the scaffold geometry, flow induced shear stress, and a number of metabolic factors. Subsequently, we applied model reduction by reformulating the problem from a set of partial differential equations into a set of ordinary differential equations. Comparing the reduced model results to the mechanistic model results and to dedicated experimental results assesses the reduction step quality. The obtained homogenized model is 105 fold faster than the 3D version, allowing the application of rigorous optimization techniques. Bayesian optimization was applied to find the medium refreshment regime in terms of frequency and percentage of medium replaced that would maximize neotissue growth kinetics during 21 days of culture. The simulation results indicated that maximum neotissue growth will occur for a high frequency and medium replacement percentage, a finding that is corroborated by reports in the literature. This study demonstrates an in silico strategy for bioprocess optimization paying particular attention to the reduction of the associated computational cost. PMID- 29205282 TI - Instructor personality matters for student evaluations: Evidence from two subject areas at university. AB - BACKGROUND: Instructors are under pressure to produce excellent outcomes in students. Although the contribution of student personality on student outcomes is well established, the contribution of instructor personality to student outcomes is largely unknown. AIM: This study examined the influence of instructor personality (as reported by both students and instructors themselves) on student educational outcomes at university. SAMPLE AND METHOD: Mathematics and psychology university students (N = 515) and their instructors (n = 45) reported their personality under the Big Five framework. RESULTS: Multilevel regressions were conducted to predict each outcome from instructor personality, taking into account the effects of student gender, age, cognitive ability, and personality, as well as instructor gender and age. Student-reports of instructor personality predicted student evaluations of teaching but not performance self-efficacy or academic achievement. Instructor self-reports did not predict any of the outcomes. Stronger associations between student-reports and the outcomes than instructor self-reports could be explained by students providing information on both the predictor and the outcome variables, as well as a greater number of raters providing information on instructor personality. Different domains of the instructor Big Five were important for different element of student evaluations of teaching. CONCLUSIONS: The study highlights the importance of studying instructor personality, especially through other-reports, to understand students' educational experiences. This has implications for how tertiary institutions should use and interpret student evaluations. PMID- 29205283 TI - Clinician factors associated with prescribing nicotine replacement therapy in pregnancy: A cross-sectional survey of Australian obstetricians and general practitioners. AB - The use of nicotine replacement therapy in pregnancy has been debated but evidence suggests that it is safer than smoking. A cross-sectional survey was conducted with: (i) general practitioners and obstetricians from a college database; and (ii) general practitioners with a special interest in Indigenous health. General practitioners had higher odds of prescribing compared to obstetricians. Reading guidelines, confidence, viewing nicotine replacement therapy as safe, effective and with good adherence, also significantly increased the odds of prescription. Clear guidance regarding safety and efficacy, with practical clinical protocols, are required in order to reduce variation in prescribing rates across these clinicians. PMID- 29205284 TI - Magnitude of benefit for topical crisaborole in the treatment of atopic dermatitis in children and adults does not look promising: a critical appraisal. AB - AIM: To assess the efficacy and safety of crisaborole ointment, a phosphodiesterase 4 inhibitor, for the treatment of mild or moderate atopic dermatitis (AD) in two phase III studies (AD-301 and AD-302). DESIGN AND SETTING: Two identically designed multicentre, double-blind randomized controlled trials were conducted in the U.S.A. Participants were randomized 2 : 1 to receive crisaborole or vehicle treatment. In total 47 and 42 investigational centres were identified for AD-301 and AD-302, respectively. STUDY PARTICIPANTS: Inclusion criteria were identified as age >= 2 years, clinical diagnosis of AD (as per the Hanifin and Rajka criteria), >= 5% body surface area involvement, and baseline Investigator's Static Global Assessment (ISGA) mild or moderate. Exclusion criteria included previous use of biologics or systemic corticosteroids (within the last 28 days) or a topical calcineurin inhibitor/corticosteroid (within the last 14 days), and active skin infection. EXPOSURES: Participants were instructed to apply the study drug twice daily to all lesions identified at baseline, and all new lesions identified after day 1 (with weekly review of application instructions). Bland emollients were permitted to be used on skin not treated with the study drug. PRIMARY OUTCOME: The primary outcome was defined as ISGA clear or almost clear at day 29, with a 2-grade or more improvement from baseline. OUTCOMES: Secondary outcomes included the proportion of patients with an ISGA score of clear or almost clear at day 29, and time to success in ISGA score. Additional outcomes included pruritus severity and signs of AD (erythema, exudation, excoriation, induration/papulation and lichenification), and were measured on a 4-point scale (none, mild, moderate, severe). Adverse events were also recorded. RESULTS: More participants in the crisaborole-treated group achieved ISGA scores of clear or almost clear with >= 2-grade improvement than in the vehicle-treated group (AD-301, 32.8% vs. 25.4%, P = 0.38; AD-302, 31.4% vs. 18.0%, P < 0.001). Greater percentages of clear and almost clear scores were observed in the treatment groups (51.7% vs. 40.6%, P = 0.005; 48.5% vs. 29.7%; P < 0.001), as well as earlier success in ISGA score and improvement in pruritus (P <= 0.001). No serious treatment-related adverse events were identified. CONCLUSIONS: Based on the study results, the authors suggest that crisaborole is a safe treatment that improves disease severity, pruritus and clinical signs associated with AD. PMID- 29205285 TI - Vitamin B12 association with mAbs: Mechanism and potential mitigation strategies. AB - Process control for manufacturing biologics is critical for ensuring product quality, safety, and lot to lot consistency of therapeutic proteins. In this study, we investigated the root cause of the pink coloration observed for various in-process pools and drug substances in the antibody manufacturing process. Vitamin B12 is covalently bound to mAbs via a cobalt-sulfur coordinate bond via the cysteine residues. The vitamin B12 was identified to attach to an IgG4 molecule at cysteine residues on light chain (Cys-214), and heavy chain (Cys-134, Cys-321, Cys-367, and Cys-425). Prior to attachment to mAbs, the vitamin B12 needs to be in its active form of hydroxocobalamin. During culture media preparation, storage and cell culture processing, cyanocobalamin, the chemical form of vitamin B12 added to media, is converted to hydroxocobalamin by white fluorescence light (about 50% degradation in 11-14 days at room temperature and with room light intensity about 500-1,000 lux) and by short-wavelength visible light (400-550 nm). However, cyanocobalamin is stable under red light (wavelength >600 nm) exposure and does not convert to hydroxocobalamin. Our findings suggests that the intensity of pink color depends on concentrations of both free sulfhydryl groups on reduced mAb and hydroxocobalamin, the active form of vitamin B12 . Both reactants are necessary and neither one of them is sufficient to generate pink color, therefore process control strategy can consider limiting either one or both factors. A process control strategy to install red light (wavelength >600 nm) in culture media preparation, storage and culture processing areas is proposed to provide safe light for biologics and to prevent light induced color variations in final products. PMID- 29205286 TI - Anamorelin (ONO-7643) for the treatment of patients with non-small cell lung cancer and cachexia: Results from a randomized, double-blind, placebo-controlled, multicenter study of Japanese patients (ONO-7643-04). AB - BACKGROUND: Cachexia, described as weight loss (mainly in lean body mass [LBM]) and anorexia, is common in patients with advanced cancer. This study examined the efficacy and safety of anamorelin (ONO-7643), a novel selective ghrelin receptor agonist, in Japanese cancer patients with cachexia. METHODS: This double-blind clinical trial (ONO-7643-04) enrolled 174 patients with unresectable stage III/IV non-small cell lung cancer (NSCLC) and cachexia in Japan. Patients were randomized to daily oral anamorelin (100 mg) or a placebo for 12 weeks. The primary endpoint was the change from the baseline LBM (measured with dual-energy x-ray absorptiometry) over 12 weeks. The secondary endpoints were changes in appetite, body weight, quality of life, handgrip strength (HGS), and 6-minute walk test (6MWT) results. RESULTS: The least squares mean change (plus or minus the standard error) in LBM from the baseline over 12 weeks was 1.38 +/- 0.18 and 0.17 +/- 0.17 kg in the anamorelin and placebo groups, respectively (P < .0001). Changes from the baseline in LBM, body weight, and anorexia symptoms showed significant differences between the 2 treatment groups at all time points. Anamorelin increased prealbumin at weeks 3 and 9. No changes in HGS or 6MWT were detected between the groups. Twelve weeks' treatment with anamorelin was safe and well tolerated in NSCLC patients. CONCLUSIONS: Anamorelin significantly increased LBM and improved anorexia symptoms and the nutritional state, but not motor function, in Japanese patients with advanced NSCLC. Because no effective treatment for cancer cachexia is currently available, anamorelin can be a beneficial treatment option. Cancer 2018;124:606-16. (c) 2017 The Authors. Cancer published by Wiley Periodicals, Inc. on behalf of American Cancer Society. This is an open access article under the terms of the Creative Commons Attribution NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. PMID- 29205287 TI - Is less more? Comparing chemotherapy alone with chemotherapy and radiation for high-risk grade 2 glioma: An analysis of the National Cancer Data Base. AB - BACKGROUND: The addition of chemotherapy to adjuvant radiotherapy (chemotherapy and radiation therapy [CRT]) improves overall survival (OS) for patients with high-risk grade 2 gliomas; however, the impact of chemotherapy alone (CA) is unknown. This study compares the OS of patients with high-risk grade 2 gliomas treated with CA versus CRT. METHODS: Patients with high-risk grade 2 gliomas (subtotal resection or age >= 40 years) with oligodendrogliomas, astrocytomas, or mixed tumors were identified with the National Cancer Data Base. Patients were grouped into CA and CRT cohorts. Univariate analyses and multivariate analyses (MVAs) were performed. Propensity score (PS) matching was also implemented. The Kaplan-Meier method was used to analyze OS. RESULTS: A total of 1054 patients with high-risk grade 2 gliomas were identified: 496 (47.1%) received CA, and 558 (52.9%) received CRT. Patients treated with CA were more likely (all P values < .05) to have oligodendroglioma histology (65.5% vs 34.2%), exhibit a 1p/19q codeletion (22.8% vs 7.5%), be younger (median age, 47.0 vs 48.0 years), and receive treatment at an academic facility (65.2% vs 50.3%). The treatment type was not a significant predictor for OS (P = .125) according to the MVA; a tumor size > 6 cm, astrocytoma histology, and older age were predictors for worse OS (all P values < .05). After 1:1 PS matching (n = 331 for each cohort), no OS difference was seen (P = .696) between the CA and CRT cohorts at 5 (69.3% vs 67.4%) and 8 years (52.8% vs 56.7%). CONCLUSIONS: No long-term OS difference was seen in patients with high-risk grade 2 gliomas treated with CA versus CRT. These findings are hypothesis-generating, and prospective clinical trials comparing these treatment paradigms are warranted. Cancer 2018;124:1169-78. (c) 2017 American Cancer Society. PMID- 29205288 TI - Phosphorus limitation of aboveground production in northern hardwood forests. AB - Forest productivity on glacially derived soils with weatherable phosphorus (P) is expected to be limited by nitrogen (N), according to theories of long-term ecosystem development. However, recent studies and model simulations based on resource optimization theory indicate that productivity can be co-limited by N and P. We conducted a full factorial N * P fertilization experiment in 13 northern hardwood forest stands of three age classes in central New Hampshire, USA, to test the hypothesis that forest productivity is co-limited by N and P. We also asked whether the response of productivity to N and P addition differs among species and whether differential species responses contribute to community-level co-limitation. Plots in each stand were fertilized with 30 kg N.ha-1 .yr-1 , 10 kg P.ha-1 .yr-1 , N + P, or neither nutrient (control) for four growing seasons. The productivity response to treatments was assessed using per-tree annual relative basal area increment (RBAI) as an index of growth. RBAI responded significantly to P (P = 0.02) but not to N (P = 0.73). However, evidence for P limitation was not uniform among stands. RBAI responded to P fertilization in mid age (P = 0.02) and mature (P = 0.07) stands, each taken as a group, but was greatest in N-fertilized plots of two stands in these age classes, and there was no significant effect of P in the young stands. Both white birch (Betula papyrifera Marsh.) and beech (Fagus grandifolia Ehrh.) responded significantly to P; no species responded significantly to N. We did not find evidence for N and P co-limitation of tree growth. The response to N + P did not differ from that to P alone, and there was no significant N * P interaction (P = 0.68). Our P limitation results support neither the N limitation prediction of ecosystem theory nor the N and P co-limitation prediction of resource optimization theory, but could be a consequence of long-term anthropogenic N deposition in these forests. Inconsistencies in response to P suggest that successional status and variation in site conditions influence patterns of nutrient limitation and recycling across the northern hardwood forest landscape. PMID- 29205289 TI - Can mesophotic reefs replenish shallow reefs? Reduced coral reproductive performance casts a doubt. AB - Mesophotic coral ecosystems (i.e., deep coral reefs at 30-120 m depth) appear to be thriving while many shallow reefs in the world are declining. Amid efforts to understand and manage their decline, it was suggested that mesophotic reefs might serve as natural refuges and a possible source of propagules for the shallow reefs. However, our knowledge of how reproductive performance of corals alters with depth is sparse. Here, we present a comprehensive study of the reproductive phenology, fecundity, and abundance of seven reef-building conspecific corals in shallow and mesophotic habitats. Significant differences were found in the synchrony and timing of gametogenesis and spawning between shallow and mesophotic coral populations. Thus, mesophotic populations exhibited delayed or protracted spawning events, which led to spawning of the mesophotic colonies in large proportions at times where the shallow ones had long been depleted of reproductive material. All species investigated demonstrated a substantial reduction in fecundity and/or oocyte sizes at mesophotic depths (40-60 m). Two species (Seriatopora hystrix and Galaxea fascicularis) displayed a reduction in both fecundity and oocyte size at mesophotic depths. Turbinaria reniformis had only reduced fecundity and Acropora squarrosa and Acropora valida only reduced oocyte size. In Montipora verrucosa, reduced fecundity was found during one annual reproductive season while, in the following year, only reduced oocyte size was found. In contrast, reduced oocyte size in mesophotic populations of Acropora squarrosa was consistent along three studied years. One species, Acropora pharaonis, was found to be infertile at mesophotic depths along two studied years. This indicates that reproductive performance decreases with depth; and that although some species are capable of reproducing at mesophotic depths, their contribution to the replenishment of shallow reefs may be inconsequential. Reduced reproductive performance with depth, combined with the possible narrower tolerance to environmental factors, further suggests that mesophotic corals may in fact be more vulnerable than previously conceived. Furthermore, we posit that the observed temporal segregation in reproduction could lead to assortative mating, and this, in turn, may facilitate adaptive divergence across depth. PMID- 29205290 TI - Clinical impact of sedentary behaviors in adult survivors of acute lymphoblastic leukemia: A report from the St. Jude Lifetime Cohort study. AB - BACKGROUND: Sedentary behaviors are associated with poor health outcomes in the general population, but their clinical impact on adult survivors of childhood acute lymphoblastic leukemia (ALL) has not been characterized to date. In the current study, we described the prevalence of sedentary behaviors in survivors of ALL and examined associations between time spent sedentary and body composition and onset of cardiovascular disease (CVD) risk factors. METHODS: Participants' self-reported screen time (eg, television, computer) and activity as measured by accelerometer were used to determine activity time (sedentary, light activity, and moderate or vigorous physical activity). The percentage of time spent in each activity was compared between 331 survivors of ALL and 330 controls. Associations between time sedentary and body composition were evaluated in survivors using linear regression models. Cox proportional hazard models were used to examine the association between time sedentary at baseline and CVD risk factor onset during follow-up. RESULTS: Survivors spent approximately 65% of their time sedentary, 32% in light activity, and 2% in moderate or vigorous physical activity compared with 67% (P = .04), 30% (P<.01), and 3% (P<.01), respectively, in controls. Among survivors, percentage lean body mass decreased by 1.0% +/- 0.4% (P = .01) per 10% increase in time sedentary. Survivors who were sedentary >=60% per day were found to be at an increased risk of high total cholesterol (hazard ratio, 2.52; 95% confidence interval, 1.12-5.64) and any CVD risk factor (hazard ratio, 1.96; 95% confidence interval, 1.16-3.30). CONCLUSIONS: Sedentary behavior is associated with low lean mass and CVD risk factor development and should be limited in survivors of childhood ALL. Cancer 2018;124:1036-43. (c) 2017 American Cancer Society. PMID- 29205291 TI - Interactive effects of seizure frequency and lateralization on intratemporal effective connectivity in temporal lobe epilepsy. AB - OBJECTIVE: Patients with temporal lobe epilepsy (TLE) show brain connectivity changes in association with cognitive impairment. Seizure frequency and lateralization are 2 important clinical factors that characterize epileptic seizures. In this study, we sought to examine an interactive effect of the 2 seizure factors on intratemporal effective connectivity based on resting-state functional magnetic resonance imaging (rsfMRI) in patients with TLE. METHODS: For rsfMRI data acquired from 48 TLE patients and 45 healthy controls, we applied stochastic dynamical causal modeling to infer effective connectivity between 3 medial temporal lobe (MTL) regions, including the hippocampus (Hipp), parahippocampal gyrus (PHG), and amygdala (Amyg), ipsilateral to the seizure focus. We searched for the effect of the 2 seizure factors, seizure frequency (good vs poor seizure control) and lateralization (left vs right TLE), on connection strengths and their relationship with the level of verbal memory and language impairment. RESULTS: Impairment of verbal memory and language function was mainly affected by seizure lateralization, consistent with preferential involvement of the left MTL in verbal mnemonic processing. For the fully connected model, which was selected as the effective connectivity structure that best explained the observed rsfMRI time series, alterations in connection strengths were primarily influenced by seizure frequency; there was an increase in the strength of the Hipp to PHG connection in TLE patients with poor seizure control, whereas the strength of the Amyg to PHG connection increased in those with good seizure control. Furthermore, the association between connection strength alterations and cognitive impairment was interactively affected by both seizure frequency and lateralization. SIGNIFICANCE: These findings suggest an interactive effect as well as an individual effect of seizure frequency and lateralization on neuroimaging features and cognitive function. This potential interaction needs to be evaluated in the consideration of multiple seizure factors. PMID- 29205293 TI - Cancer cachexia: Are we ready to take a step forward? PMID- 29205292 TI - Brain regions and epileptogenicity influence epileptic interictal spike production and propagation during NREM sleep in comparison with wakefulness. AB - OBJECTIVE: Non-rapid eye movement (NREM) sleep is known to be a brain state associated with an activation of interictal epileptic activity. The goal of this work was to quantify topographic changes occurring during NREM sleep in comparison with wakefulness. METHOD: We studied intracerebral recordings of 20 patients who underwent stereo-electroencephalography (SEEG) during presurgical evaluation for pharmacoresistant focal epilepsy. We measured the number of interictal spikes (IS) and quantified the co-occurrence of IS between brain regions during 1 hour of NREM sleep and 1 hour of wakefulness. Co-occurrence is a method to estimate IS networks based on a temporal concordance between IS of different brain regions. Each studied region was labeled as "seizure-onset zone" (SOZ), "propagation zone" (PZ), or "not involved region" (NIR). RESULTS: During NREM sleep, the number of interictal spikes significantly increased in all regions (mean of 68%). This increase was higher in medial temporal regions than in other regions, whether involved in the SOZ. Spike co-occurrence increased significantly in all regions during NREM sleep in comparison with wakefulness but was greater in neocortical regions. Spike co-occurrence in medial temporal regions was not higher than in other regions, suggesting that the increase of the number of spikes in this region was in great part a local effect. SIGNIFICANCE: This study demonstrated that medial temporal regions show a greater propensity to spike production or propagation during NREM sleep compared to other brain regions, even when the medial temporal lobe is not involved in the SOZ. PMID- 29205294 TI - Wearable Devices in Clinical Trials: Hype and Hypothesis. AB - The development of innovative wearable technologies has raised great interest in new means of data collection in healthcare and biopharmaceutical research and development. Multiple applications for wearables have been identified in a number of therapeutic areas; however, researchers face many challenges in the clinic, including scientific methodology as well as regulatory, legal, and operational hurdles. To facilitate further evaluation and adoption of these technologies, we highlight methodological and logistical considerations for implementation in clinical trials, including key elements of analytical and clinical validation in the specific context of use (COU). Additionally, we provide an assessment of the maturity of the field and successful examples of recent clinical experiments. PMID- 29205295 TI - Protein Abundance of Clinically Relevant Drug-Metabolizing Enzymes in the Human Liver and Intestine: A Comparative Analysis in Paired Tissue Specimens. AB - This work revises and complements existing findings on the distribution of drug metabolizing enzymes in the first-pass effect organs. We explored gene expression (quantitative polymerase chain reaction) and protein abundance (liquid chromatography/ tandem mass spectrometry) of CYP1A2, CYP2B6, CYP2C8/9/19, CYP2D6, CYP2E1, CYP3A4/5, UGT1A1/3, UGT2B7/15 in the liver, duodenum, jejunum, ileum, and colon in paired tissues from nine organ donors. All proteins were detected in the liver, but in the intestine CYP2C9/19, CYP2D6, CYP3A4/5, UGT1A1/3, and UGT2B7 were found. CYP3A4 showed comparable abundance in the liver and jejunum, whereas other enzymes were markedly higher in the hepatic tissue. Nearly all detected enzymes showed their highest abundance in the jejunum. Significant correlations between mRNA and protein levels in liver or intestine were found for most enzymes. CYP3A4 and CYP3A5 protein abundance, but not other enzymes, were significantly correlated in the liver and the small intestine. Our data may contribute to an improved understanding of hepatic and intestinal drug metabolism. PMID- 29205296 TI - Impact of latency time on survival for adolescents and young adults with a second primary malignancy. AB - BACKGROUND: The adverse impact of second primary malignancies (SPMs) on survival is substantial for adolescents and young adults (AYAs; ie, those 15-39 years old). No studies have evaluated whether the latency time between the first malignancy (the primary malignancy [PM]) and the SPM affects cancer-specific survival (CSS). METHODS: A multivariate Cox proportional hazards regression with Surveillance, Epidemiology, and End Results data for 13 regions from 1992 to 2008 was used to ascertain whether the latency time (1-5 vs >= 6 years) to the development of an SPM affected the CSS and overall survival with respect to either the PM or SPM for AYAs with common SPMs. RESULTS: The majority of 1515 AYAs with an SPM had their PM diagnosed between the ages of 26 and 39 years (74.2%) and an SPM diagnosed within 1 to 5 years (72.9%) of the PM's diagnosis. Overall, AYAs that developed an SPM 1 to 5 years after the diagnosis (vs >= 6 years) had an increased risk of death from cancer (hazard ratio [HR], 2.52; 95% confidence interval [CI], 1.92-3.29) as well as any cause (HR, 2.60; 95% CI, 2.04 3.32). Specifically, for AYAs with an SPM that was leukemia or a colorectal, breast, or central nervous system malignancy, a shorter latency time (1-5 years) from their PM diagnosis was associated with an overall significantly increased risk of death (2.6-fold) from either their PM or that particular SPM. However, latency did not appear to affect the CSS with respect to either the PM or SPM for AYA patients with a lymphoma or sarcoma SPM. CONCLUSIONS: Most AYAs who develop an SPM do so within 1 to 5 years of their primary cancer diagnosis, and they have an increased risk of death from cancer in comparison with AYAs with an SPM developing after longer survivorship intervals. Cancer 2018;124:1260-8. (c) 2017 American Cancer Society. PMID- 29205298 TI - Growing competitive or tolerant? Significance of apical dominance in the overcompensating herb Gentianella campestris. AB - As a compensatory response to herbivory, plants may branch vigorously when the growth of dormant meristems is triggered by shoot damage. Undamaged plants, on the other hand, often restrain branching, and this limitation on growth can be considered a cost of tolerance to herbivory. Restrained branching is caused by apical dominance and may, alternatively, be associated with fitness benefits in competitive environments that favor fast vertical growth. To test these hypotheses regarding selection for restrained branching, we compared the performance of two subspecies of the biennial grassland herb Gentianella campestris; the tall, apically dominant ssp. campestris and the short, multi stemmed ssp. islandica, which shows reduced apical dominance. For both subspecies, we manipulated the height of surrounding vegetation (competition) and damage intensity in grasslands of differing productivity (high, medium, low), and examined population growth rates using matrix population models combined with life table response experiments. In the absence of damage, ssp. campestris exhibited a higher population growth rate than ssp. islandica in the tallest vegetation, however with the growth rate still being below one. In the medium and low productivity environments where the vegetation was shorter, the population growth rate of ssp. islandica was considerably higher than that of ssp. campestris as long as no more than about 50% of the plants were damaged. When plants were damaged, the apically dominant ssp. campestris showed a positive population growth rate (lambda > 1) and often overcompensatory seed production in all productivity levels, while ssp. islandica showed no compensation and therefore the population was predicted to decline (lambda < 1). We conclude that restrained branching in Gentianella cannot be selected for by competition alone, but that episodes of apical damage are required to maintain the trait. Furthermore, because of the costs of restrained branching, apical dominance should be selected against in grasslands where competition and disturbance are low. PMID- 29205297 TI - Meta-analysis of the procedural risks of carotid endarterectomy and carotid artery stenting over time. AB - BACKGROUND: Stroke/death rates within 30 days of carotid endarterectomy (CEA) and carotid artery stenting (CAS) in RCTs inform current clinical guidelines. However, the risks may have changed in recent years with wider use of effective stroke prevention therapies, especially statins, improved patient selection and growing operator expertise. The aim of this study was to investigate whether the procedural stroke/death risks from CEA and CAS have changed over time. METHODS: MEDLINE and Embase were searched systematically from inception to May 2016 for observational cohort studies of CEA and CAS. Studies included reported on more than 1000 patients, with 30-day outcomes after the procedure according to patients' symptom status (recent stroke or transient ischaemic attack). Restricted maximum likelihood random-effects and meta-regressions methods were used to synthesize procedural stroke/death rates of CEA and CAS according to year of study recruitment completion. RESULTS: Fifty-one studies, including 223 313 patients undergoing CEA and 72 961 undergoing CAS, were reviewed. Procedural stroke/death risks of CEA decreased over time in symptomatic and asymptomatic patients. Risks were substantially lower in studies completing recruitment in 2005 or later, both in symptomatic (5.11 per cent before 2005 versus 2.68 per cent from 2005 onwards; P = 0.002) and asymptomatic (3.17 versus 1.50 per cent; P < 0.001) patients. Procedural stroke/death rates of CAS did not change significantly over time (4.77 per cent among symptomatic and 2.59 per cent among asymptomatic patients). There was substantial heterogeneity in event rates and recruitment periods were long. CONCLUSIONS: Risks of procedural stroke/death following CEA appear to have decreased substantially. There was no evidence of a change in stroke/death rates following CAS. PMID- 29205300 TI - Cervical cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Overall, cervical cancer survival in the United States has been reported to be among the highest in the world, despite slight decreases over the last decade. Objective of the current study was to describe cervical cancer survival trends among US women and examine differences by race and stage. METHODS: This study used data from the CONCORD-2 study to compare survival among women (aged 15-99 years) diagnosed in 37 states covering 80% of the US population. Survival was adjusted for background mortality (net survival) with state- and race-specific life tables and was age-standardized with the International Cancer Survival Standard weights. Five-year survival was compared by race (all races, blacks, and whites). Two time periods, 2001-2003 and 2004 2009, were considered because of changes in how the staging variable was collected. RESULTS: From 2001 to 2009, 90,620 women were diagnosed with invasive cervical cancer. The proportion of cancers diagnosed at a regional or distant stage increased over time in most states. Overall, the 5-year survival was 63.5% in 2001-2003 and 62.8% in 2004-2009. The survival was lower for black women versus white women in both calendar periods and in most states; black women had a higher proportion of distant-stage cancers. CONCLUSIONS: The stability of the overall survival over time and the persistent differences in survival between white and black women in all US states suggest that there is a need for targeted interventions and improved access to screening, timely treatment, and follow-up care, especially among black women. Cancer 2017;123:5119-37. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205301 TI - Public health surveillance of cancer survival in the United States and worldwide: The contribution of the CONCORD programme. AB - CONCORD is a programme for the global surveillance of cancer survival. In 2015, the second cycle of the program (CONCORD-2) established long-term surveillance of cancer survival worldwide, for the first time, in the largest cancer survival study published to date. CONCORD-2 provided cancer survival trends for 25,676,887 patients diagnosed during the 15-year period between 1995 and 2009 with 1 of 10 common cancers that collectively represented 63% of the global cancer burden in 2009. Herein, the authors summarize the past, describe the present, and outline the future of the CONCORD programme. They discuss the difference between population-based studies and clinical trials, and review the importance of international comparisons of population-based cancer survival. This study will focus on the United States. The authors explain why population-based survival estimates are crucial for driving effective cancer control strategies to reduce the wide and persistent disparities in cancer survival between white and black patients, which are likely to be attributable to differences in access to early diagnosis and optimal treatment. Cancer 2017;123:4977-81. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205299 TI - Key Learning Outcomes for Clinical Pharmacology and Therapeutics Education in Europe: A Modified Delphi Study. AB - Harmonizing clinical pharmacology and therapeutics (CPT) education in Europe is necessary to ensure that the prescribing competency of future doctors is of a uniform high standard. As there are currently no uniform requirements, our aim was to achieve consensus on key learning outcomes for undergraduate CPT education in Europe. We used a modified Delphi method consisting of three questionnaire rounds and a panel meeting. A total of 129 experts from 27 European countries were asked to rate 307 learning outcomes. In all, 92 experts (71%) completed all three questionnaire rounds, and 33 experts (26%) attended the meeting. 232 learning outcomes from the original list, 15 newly suggested and 5 rephrased outcomes were included. These 252 learning outcomes should be included in undergraduate CPT curricula to ensure that European graduates are able to prescribe safely and effectively. We provide a blueprint of a European core curriculum describing when and how the learning outcomes might be acquired. PMID- 29205303 TI - The essential role of population-based cancer survival in cancer control in the United States. PMID- 29205302 TI - Population-based cancer survival in the United States: Data, quality control, and statistical methods. AB - BACKGROUND: Robust comparisons of population-based cancer survival estimates require tight adherence to the study protocol, standardized quality control, appropriate life tables of background mortality, and centralized analysis. The CONCORD program established worldwide surveillance of population-based cancer survival in 2015, analyzing individual data on 26 million patients (including 10 million US patients) diagnosed between 1995 and 2009 with 1 of 10 common malignancies. METHODS: In this Cancer supplement, we analyzed data from 37 state cancer registries that participated in the second cycle of the CONCORD program (CONCORD-2), covering approximately 80% of the US population. Data quality checks were performed in 3 consecutive phases: protocol adherence, exclusions, and editorial checks. One-, 3-, and 5-year age-standardized net survival was estimated using the Pohar Perme estimator and state- and race-specific life tables of all-cause mortality for each year. The cohort approach was adopted for patients diagnosed between 2001 and 2003, and the complete approach for patients diagnosed between 2004 and 2009. RESULTS: Articles in this supplement report population coverage, data quality indicators, and age-standardized 5-year net survival by state, race, and stage at diagnosis. Examples of tables, bar charts, and funnel plots are provided in this article. CONCLUSIONS: Population-based cancer survival is a key measure of the overall effectiveness of services in providing equitable health care. The high quality of US cancer registry data, 80% population coverage, and use of an unbiased net survival estimator ensure that the survival trends reported in this supplement are robustly comparable by race and state. The results can be used by policymakers to identify and address inequities in cancer survival in each state and for the United States nationally. Cancer 2017;123:4982-93. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205304 TI - Colon cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: In the first CONCORD study (2008), 5-year survival for patients diagnosed with colon cancer between 1990 and 1994 in the United States was among the highest in the world (60%), but there were large racial disparities in most participating states. The CONCORD-2 study (2015) enabled the examination of survival trends between 1995 and 2009 for US states by race and stage. METHODS: The authors analyzed data from 37 state population-based cancer registries, covering approximately 80% of the US population, for patients who were diagnosed with colon cancer between 2001 and 2009 and were followed through 2009. Survival up to 5 years was corrected for background mortality (net survival) using state specific and race-specific life tables and age-standardized using the International Cancer Survival Standard weights. Survival is presented by race (all, black, white), stage, state, and calendar period (2001-2003 and 2004-2009) to account for changes in methods used to collect stage. RESULTS: Five-year net survival increased by 0.9%, from 63.7% between 2001 and 2003 to 64.6% between 2004 and 2009. More black than white patients were diagnosed with distant-stage disease between 2001 and 2003 (21.5% vs 17.2%) and between 2004 and 2009 (23.3% vs 18.8%). Survival improved for both blacks and whites, but 5-year net survival was 9-10% lower for blacks than for whites both between 2001 and 2003 (54.7% vs 64.5%) and between 2004 and 2009 (56.6% vs 65.4%). The absolute difference between blacks and whites decreased by only 1% during the decade. CONCLUSIONS: Five-year net survival from colon cancer increased slightly over time. Survival among blacks diagnosed between 2004 and 2009 had still not reached the level of that among whites diagnosed between 1990 and 1994, some 15 to 20 years earlier. These findings suggest a need for more targeted efforts to improve screening and to ensure timely, appropriate treatment, especially for blacks, to reduce this large and persistent disparity in survival. Cancer 2017;123:5014-36. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205305 TI - Lung cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Results from the second CONCORD study (CONCORD-2) indicated that 5 year net survival for lung cancer was low (range, 10%-20%) between 1995 and 2009 in most countries, including the United States, which was at the higher end of this range. METHODS: Data from CONCORD-2 were used to analyze net survival among patients with lung cancer (aged 15-99 years) who were diagnosed in 37 states covering 80% of the US population. Survival was corrected for background mortality using state-specific and race-specific life tables and age-standardized using International Cancer Survival Standard weights. Net survival was estimated for patients diagnosed between 2001 and 2003 and between 2004 and 2009 at 1, 3, and 5 years after diagnosis by race (all races, black, and white); Surveillance, Epidemiology, and End Results Summary Stage 2000; and US state. RESULTS: Five year net survival increased from 16.4% (95% confidence interval, 16.3%-16.5%) for patients diagnosed 2001-2003 to 19.0% (18.8%-19.1%) for those diagnosed 2004 2009, with increases in most states and among both blacks and whites. Between 2004 and 2009, 5-year survival was lower among blacks (14.9%) than among whites (19.4%) and ranged by state from 14.5% to 25.2%. CONCLUSIONS: Lung cancer survival improved slightly between the periods 2001-2003 and 2004-2009 but was still low, with variation between states, and persistently lower survival among blacks than whites. Efforts to control well established risk factors would be expected to have the greatest impact on reducing the burden of lung cancer, and efforts to ensure that all patients receive timely and appropriate treatment should reduce the differences in survival by race and state. Cancer 2017;123:5079 99. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205306 TI - Liver cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Worldwide, liver cancer is a leading cause of death for both men and women. The number of Americans who are diagnosed with and die of liver cancer has been rising slowly each year. Using data from the CONCORD-2 study, this study examined population-based survival by state, race, and stage at diagnosis. METHODS: Data from 37 statewide registries, which covered 81% of the US population, for patients diagnosed during 2001-2009 were analyzed. Survival up to 5 years was adjusted for background mortality (net survival) with state- and race specific life tables, and it was age-standardized with the International Cancer Survival Standard weights. RESULTS: Liver cancer was diagnosed overall more often at the localized stage, with blacks being more often diagnosed at distant and regional stages than whites. 5-year net survival was 12.2% in 2001-2003 and 14.8% in 2004-2009. Whites had higher survival than blacks in both calendar periods (11.7% vs 9.1% and 14.3% vs 11.4%, respectively). During 2004-2009, 5-year survival was 25.7% for localized-stage disease, 9.5% for regional-stage disease, and 3.5% for distant-stage disease. CONCLUSIONS: Some progress has occurred in survival for patients with liver cancer, but 5-year survival remains low, even for those diagnosed at the localized stage. Efforts directed at controlling well established risk factors such as hepatitis B may have the greatest impact on reducing the burden of liver cancer in the United States. Cancer 2017;123:5059 78. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205307 TI - The history and use of cancer registry data by public health cancer control programs in the United States. AB - Because cancer registry data provide a census of cancer cases, registry data can be used to: 1) define and monitor cancer incidence at the local, state, and national levels; 2) investigate patterns of cancer treatment; and 3) evaluate the effectiveness of public health efforts to prevent cancer cases and improve cancer survival. The purpose of this article is to provide a broad overview of the history of cancer surveillance programs in the United States, and illustrate the expanding ways in which cancer surveillance data are being made available and contributing to cancer control programs. The article describes the building of the cancer registry infrastructure and the successful coordination of efforts among the 2 federal agencies that support cancer registry programs, the Centers for Disease Control and Prevention and the National Cancer Institute, and the North American Association of Central Cancer Registries. The major US cancer control programs also are described, including the National Comprehensive Cancer Control Program, the National Breast and Cervical Cancer Early Detection Program, and the Colorectal Cancer Control Program. This overview illustrates how cancer registry data can inform public health actions to reduce disparities in cancer outcomes and may be instructional for a variety of cancer control professionals in the United States and in other countries. Cancer 2017;123:4969-76. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205308 TI - Rectal cancer survival in the United States by race and stage, 2001 to 2009: Findings from the CONCORD-2 study. AB - BACKGROUND: In the first CONCORD study, 5-year survival for patients with diagnosed with rectal cancer between 1990 and 1994 was <60%, with large racial disparities noted in the majority of participating states. We have updated these findings to 2009 by examining population-based survival by stage of disease at the time of diagnosis, race, and calendar period. METHODS: Data from the CONCORD 2 study were used to compare survival among individuals aged 15 to 99 years who were diagnosed in 37 states encompassing up to 80% of the US population. We estimated net survival up to 5 years after diagnosis correcting for background mortality with state-specific and race-specific life table. Survival estimates were age-standardized with the International Cancer Survival Standard weights. We present survival estimates by race (all, black, and white) for 2001 through 2003 and 2004 through 2009 to account for changes in collecting the data for Surveillance, Epidemiology, and End Results Summary Stage 2000. RESULTS: There was a small increase in 1-year, 3-year, and 5-year net survival between 2001-2003 (84.6%, 70.7%, and 63.2%, respectively), and 2004-2009 (85.1%, 71.5%, and 64.1%, respectively). Black individuals were found to have lower 1-year, 3-year, and 5 year survival than white individuals in both periods; the absolute difference in survival between black and white individuals declined only for 5-year survival. Black patients had lower 5-year survival than whites at each stage at the time of diagnosis in both time periods. CONCLUSIONS: There was little improvement noted in net survival for patients with rectal cancer, with persistent disparities noted between black and white individuals. Additional investigation is needed to identify and implement effective interventions to ensure the consistent and equitable use of high-quality screening, diagnosis, and treatment to improve survival for patients with rectal cancer. Cancer 2017;123:5037-58. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205309 TI - Population-based cancer survival (2001 to 2009) in the United States: Findings from the CONCORD-2 study. PMID- 29205310 TI - Stomach cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Stomach cancer was a leading cause of cancer-related deaths early in the 20th century and has steadily declined over the last century in the United States. Although incidence and death rates are now low, stomach cancer remains an important cause of morbidity and mortality in black, Asian and Pacific Islander, and American Indian/Alaska Native populations. METHODS: Data from the CONCORD-2 study were used to analyze stomach cancer survival among males and females aged 15 to 99 years who were diagnosed in 37 states covering 80% of the US population. Survival analyses were corrected for background mortality using state-specific and race-specific (white and black) life tables and age-standardized using the International Cancer Survival Standard weights. Net survival is presented up to 5 years after diagnosis by race (all, black, and white) for 2001 through 2003 and 2004 through 2009 to account for changes in collecting Surveillance, Epidemiology, and End Results Summary Stage 2000 data from 2004. RESULTS: Almost one-third of stomach cancers were diagnosed at a distant stage among both whites and blacks. Age-standardized 5-year net survival increased between 2001 to 2003 and 2004 to 2009 (26.1% and 29%, respectively), and no differences were observed by race. The 1-year, 3-year, and 5-year survival estimates were 53.1%, 33.8%, and 29%, respectively. Survival improved in most states. Survival by stage was 64% (local), 28.2% (regional), and 5.3% (distant). CONCLUSIONS: The current results indicate high fatality for stomach cancer, especially soon after diagnosis. Although improvements in stomach cancer survival were observed, survival remained relatively low for both blacks and whites. Primary prevention through the control of well-established risk factors would be expected to have the greatest impact on further reducing deaths from stomach cancer. Cancer 2017;123:4994-5013. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205311 TI - Disparities in breast cancer survival in the United States (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Reducing breast cancer incidence and achieving equity in breast cancer outcomes remains a priority for public health practitioners, health care providers, policy makers, and health advocates. Monitoring breast cancer survival can help evaluate the effectiveness of health services, quantify inequities in outcomes between states or population subgroups, and inform efforts to improve the effectiveness of cancer management and treatment. METHODS: We analyzed breast cancer survival using individual patient records from 37 statewide registries that participated in the CONCORD-2 study, covering approximately 80% of the US population. Females were diagnosed between 2001 and 2009 and were followed through December 31, 2009. Age-standardized net survival at 1 year, 3 years, and 5 years after diagnosis was estimated by state, race (white, black), stage at diagnosis, and calendar period (2001-2003 and 2004-2009). RESULTS: Overall, 5 year breast cancer net survival was very high (88.2%). Survival remained remarkably high from 2001 through 2009. Between 2001 and 2003, survival was 89.1% for white females and 76.9% for black females. Between 2004 and 2009, survival was 89.6% for white females and 78.4% for black females. CONCLUSIONS: Breast cancer survival was more than 10 percentage points lower for black females than for white females, and this difference persisted over time. Reducing racial disparities in survival remains a challenge that requires broad, coordinated efforts at the federal, state, and local levels. Monitoring trends in breast cancer survival can highlight populations in need of improved cancer management and treatment. Cancer 2017;123:5100-18. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205313 TI - Prostate cancer survival in the United States by race and stage (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: The 5-year relative survival for prostate cancers diagnosed between 1990 and 1994 in the United States was very high (92%); however, survival in black males was 7% lower compared with white males. The authors updated these findings and examined survival by stage and race. METHODS: The authors used data from the CONCORD-2 study for males (ages 15-99 years) who were diagnosed with prostate cancer in 37 states, covering 80% of the US population. Survival was adjusted for background mortality (net survival) using state-specific and race specific life tables and was age-standardized. Data were presented for 2001 through 2003 and 2004 through 2009 to account for changes in collecting SEER Summary Stage 2000. RESULTS: Among the 1,527,602 prostate cancers diagnosed between 2001 and 2009, the proportion of localized cases increased from 73% to 77% in black males and from 77% to 79% in white males. Although the proportion of distant-stage cases was higher among black males than among white males, they represented less than 6% of cases in both groups between 2004 and 2009. Net survival exceeded 99% for localized stage between 2004 and 2009 in both racial groups. Overall, and in most states, 5-year net survival exceeded 95%. CONCLUSIONS: Prostate cancer survival has increased since the first CONCORD study, and the racial gap has narrowed. Earlier detection of localized cancers likely contributed to this finding. However, racial disparities also were observed in overall survival. To help understand which factors might contribute to the persistence of this disparity, states could use local data to explore sociodemographic characteristics, such as survivors' health insurance status, health literacy, treatment decision-making processes, and treatment preferences. Cancer 2017;123:5160-77. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205312 TI - Disparities in ovarian cancer survival in the United States (2001-2009): Findings from the CONCORD-2 study. AB - BACKGROUND: Ovarian cancer is the fifth leading cause of cancer death among women in the United States. This study reports ovarian cancer survival by state, race, and stage at diagnosis using data from the CONCORD-2 study, the largest and most geographically comprehensive, population-based survival study to date. METHODS: Data from women diagnosed with ovarian cancer between 2001 and 2009 from 37 states, covering 80% of the US population, were used in all analyses. Survival was estimated up to 5 years and was age standardized and adjusted for background mortality (net survival) using state-specific and race-specific life tables. RESULTS: Among the 172,849 ovarian cancers diagnosed between 2001 and 2009, more than one-half were diagnosed at distant stage. Five-year net survival was 39.6% between 2001 and 2003 and 41% between 2004 and 2009. Black women had consistently worse survival compared with white women (29.6% from 2001-2003 and 31.1% from 2004-2009), despite similar stage distributions. Stage-specific survival for all races combined between 2004 and 2009 was 86.4% for localized stage, 60.9% for regional stage, and 27.4% for distant stage. CONCLUSIONS: The current data demonstrate a large and persistent disparity in ovarian cancer survival among black women compared with white women in most states. Clinical and public health efforts that ensure all women who are diagnosed with ovarian cancer receive appropriate, guidelines-based treatment may help to decrease these disparities. Future research that focuses on the development of new methods or modalities to detect ovarian cancer at early stages, when survival is relatively high, will likely improve overall US ovarian cancer survival. Cancer 2017;123:5138-59. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205314 TI - Survival among children diagnosed with acute lymphoblastic leukemia in the United States, by race and age, 2001 to 2009: Findings from the CONCORD-2 study. AB - BACKGROUND: Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy. This report describes the survival of children with ALL in the United States using the most comprehensive and up-to-date cancer registry data. METHODS: Data from 37 state cancer registries that cover approximately 80% of the US population were used. Age-standardized survival up to 5 years was estimated for children aged 0-14 years who were diagnosed with ALL during 2 periods (2001-2003 and 2004-2009). RESULTS: In total, 17,500 children with ALL were included. The pooled age-standardized net survival estimates for all US registries combined were 95% at 1 year, 90% at 3 years, and 86% at 5 years for children diagnosed during 2001-2003, and 96%, 91%, and 88%, respectively, for those diagnosed during 2004-2009. Black children who were diagnosed during 2001-2003 had lower 5-year survival (84%) than white children (87%) and had less improvement in survival by 2004-2009. For those diagnosed during 2004-2009, the 1-year and 5-year survival estimates were 96% and 89%, respectively, for white children and 96% and 84%, respectively, for black children. During 2004-2009, survival was highest among children aged 1 to 4 years (95%) and lowest among children aged <1 year (60%). CONCLUSIONS: The current results indicate that overall net survival from childhood ALL in the United States is high, but disparities by race still exist, especially beyond the first year after diagnosis. Clinical and public health strategies are needed to improve health care access, clinical trial enrollment, treatment, and survivorship care for children with ALL. Cancer 2017;123:5178-89. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205316 TI - The "jack-in-the-box" stamens of Heliconia wagneriana (Heliconiaceae). PMID- 29205317 TI - Fitness consequences of occasional outcrossing in a functionally asexual plant (Oenothera biennis). AB - Many clonal organisms occasionally outcross, but the long-term consequences of such infrequent events are often unknown. During five years, representing three to five plant generations, we followed 16 experimental field populations of the forb, Oenothera biennis, originally planted with the same 18 original genotypes. Oenothera biennis usually self fertilizes, which, due to its genetic system (permanent translocation heterozygosity), results in seeds that are clones of the maternal plant. However, rare outcrossing produces genetically novel offspring (but without recombination or increased heterozygosity). We sought to understand whether novel genotypes produced through natural outcrossing had greater fecundity or different multigenerational dynamics compared to our original genotypes. We further assessed whether any differences in fitness or abundances through time between original and novel genotypes were exaggerated in the presence vs. absence of insect herbivores. Over the course of the experiment, we genotyped >12,500 plants using microsatellite DNA markers to identify and track the frequency of specific genotypes and estimated fecundity on a subset (>3,000) of plants. The effective outcrossing rate was 7.3% in the first year and ultimately 50% of the plants were of outcrossed origin by the final year of the experiment. Lifetime fruit production per plant was on average 32% higher across all novel genotypes produced via outcrossing compared to the original genotypes, and this fecundity advantage was significantly enhanced in populations lacking herbivores. Among 43 novel genotypes that were abundant enough to phenotype with replication, plants produced nearly 30% more fruits than the average of their specific two parental genotypes, and marginally more fruits (8%) than their most fecund parent. Mean per capita fecundity of novel genotypes predicted their relative frequencies at the end of the experiment. Novel genotypes increased more dramatically in herbivore-present compared to suppressed populations (45% vs. 27% of all plants), countering the increased competition from dandelions (Taraxacum officinale) that resulted from herbivore suppression. Increased interspecific competition likely also lead to the lower realized fitness of novel vs. original genotypes in herbivore-suppressed populations. These results demonstrate that rare outcrossing and the generation of novel genotypes can create high-fecundity progeny, with the biotic environment influencing the dynamical outcome of such advantages. PMID- 29205318 TI - Development of Episodic Prospection: Factors Underlying Improvements in Middle and Late Childhood. AB - Episodic prospection is the mental simulation of a personal future event in rich contextual detail. This study examined age-related differences in episodic prospection in 5- to 11-year-olds and adults (N = 157), as well as factors that may contribute to developmental improvements. Participants' narratives of past, future, and make-believe events were coded for episodic content, and self-concept coherence (i.e., how coherently an individual sees himself or herself) and narrative ability were tested as predictors of episodic prospection. Although all ages provided less episodic content for future event narratives, age-related improvements were observed across childhood, suggesting future event generation is particularly difficult for children. Self-concept coherence and narrative ability each independently predicted the episodic content of 5- and 7-year-olds' future event narratives. PMID- 29205315 TI - Repository corticotrophin injection exerts direct acute effects on human B cell gene expression distinct from the actions of glucocorticoids. AB - Repository corticotrophin injection (RCI, H.P Acthar(r) gel) has been approved for use in the management of multiple autoimmune and inflammatory diseases for more than a half-century, but its mechanism of action is not well understood. We used RNA-Seq methods to define RCI-regulated mRNAs in cultured human B cells under conditions of activation by interleukin (IL)-4 and CD40 ligand. Following IL-4/CD40L activation and RCI treatment we found up-regulation of 115 unique mRNA transcripts and down-regulation of 80 unique mRNAs. The effect on these RNA levels was dose-dependent for RCI and was distinct from changes in mRNA expression induced by treatment with a potent synthetic glucocorticoid. RCI down regulated mRNAs were observed to include a significant over-representation of genes critical for B cell proliferation under activating conditions. These data confirm that RCI exerts direct effects on human B cells to modulate mRNA expression in specific pathways of importance to B cell function and that, at the molecular level, the effects of RCI are distinct from those exerted by glucocorticoids. PMID- 29205319 TI - Atypical presentations of dysembryoplastic neuroepithelial tumors. AB - Dysembryoplastic neuroepithelial tumors (DNETs) are World Health Organization grade 1 neoplasms, typically present as isolated cortical lesions with no associated edema. We present 3 rare cases of DNETs that were atypical in location (all were subcortical and 1 was bilateral), 2 of which displayed substantial growth over time. All 3 cases presented with seizures that were not well controlled on medications, followed by a successful cure of the epilepsy when these lesions were removed. These cases uniquely illustrate that DNETs can be present throughout the brain and may generate seizures even in a subcortical location, possibly due to containing neurons with the potential for aberrant microcircuitry. The slow, nonmalignant proliferation of these lesions may engage epileptogenic networks, leading to the onset of seizures. These cases carry implications for the management of these surgically treatable lesions. Thus far, there have only been a handful of cases of growth reported in nonmalignant DNETs, and 2 of these cases displayed growth over the interval of monitoring. PMID- 29205320 TI - Effect of mother's voice on neonatal respiratory activity and EEG delta amplitude. AB - While the influence of the mother's voice on neonatal heart-rate response and its relevant activity on cerebral cortex and the autonomic nervous system (ANS) are well known, few studies have assessed its influence on respiratory activity. We investigated the relationship among the respiration rate, the delta wave amplitudes through electroencephalography, and the basal state of ANS through the respiratory variability index while 22 full-term neonates hear their mother's voice and an unknown voice. It was found that when respiratory variability was large, a transient (<5 s) change in respiration rates was observed in response to an unknown voice, while a greater increase in the delta wave amplitude was observed in the frontal lobe than the parietal one in response to the mother's voice. Conversely, when respiratory variability was small, a sustained increase (>10 s) in respiration rates was observed in response to the mother's voice, while a greater increase in the delta wave amplitude was found in both the frontal and parietal lobes. These results suggest that the basal state of ANS influences the latency of increases in respiration rates. Furthermore, induced by the mother's voice, transient increases in respiration rates are reduced in association with frontal lobe activity, and sustained increases in respiration rates are promoted in association with frontal and parietal lobe activities. PMID- 29205321 TI - Conditional survival of patients with gastric cancer who undergo curative resection: A multi-institutional analysis in China. AB - BACKGROUND: Conditional survival estimates, which take into consideration the changing risk with increasing survival time, provide a dynamic survival probability and more accurate survival information for clinician decision making. The objective of the current study was to evaluate the conditional disease specific survival (DSS) for patients with gastric cancer who underwent curative surgery in China. METHODS: In total, 7658 patients with gastric cancer from a multi-institutional cohort in China were included in the analyses. Actuarial DSS was estimated using the Kaplan-Meier method. Three-year conditional DSS (CDS3 ) of patients who had already survived for x years was estimated as CDS3 = DSS(x + 3)/DSS(x). Cox proportional hazards regression analyses were used to identify the factors related to DSS. RESULTS: The 1-year, 3-year, and 5-year actuarial DSS rates were 88.2%, 64.5%, and 54.6%, respectively. By using CDS estimates, the probabilities that patients would remain alive for an additional 3 years given that they had already survived for 1, 3, and 5 years were 66.6%, 80.2%, and 88.3%, respectively. Patients who had unfavorable tumor characteristics diagnosed initially at surgery had the greatest improvement in CDS and the largest survival gap between actuarial DSS and CDS. CONCLUSIONS: The current results indicate that CDS estimates for Chinese patients with gastric cancer who underwent surgery were dynamic and increased with time elapsed. Patients who had unfavorable tumor characteristics had the greatest improvement in CDS. This valuable information could provide more a precise evaluation of long-term prognosis and may serve as an important prognostic index in clinical practice. Cancer 2018;124:916-24. (c) 2017 American Cancer Society. PMID- 29205323 TI - Response: Neurocysticercosis and epilepsy. PMID- 29205322 TI - A targeted sequencing panel identifies rare damaging variants in multiple genes in the cranial neural tube defect, anencephaly. AB - Neural tube defects (NTDs) affecting the brain (anencephaly) are lethal before or at birth, whereas lower spinal defects (spina bifida) may lead to lifelong neurological handicap. Collectively, NTDs rank among the most common birth defects worldwide. This study focuses on anencephaly, which despite having a similar frequency to spina bifida and being the most common type of NTD observed in mouse models, has had more limited inclusion in genetic studies. A genetic influence is strongly implicated in determining risk of NTDs and a molecular diagnosis is of fundamental importance to families both in terms of understanding the origin of the condition and for managing future pregnancies. Here we used a custom panel of 191 NTD candidate genes to screen 90 patients with cranial NTDs (n = 85 anencephaly and n = 5 craniorachischisis) with a targeted exome sequencing platform. After filtering and comparing to our in-house control exome database (N = 509), we identified 397 rare variants (minor allele frequency, MAF < 1%), 21 of which were previously unreported and predicted damaging. This included 1 frameshift (PDGFRA), 2 stop-gained (MAT1A; NOS2) and 18 missense variations. Together with evidence for oligogenic inheritance, this study provides new information on the possible genetic causation of anencephaly. PMID- 29205324 TI - What proportion of cases of epilepsy are actually caused by neurocysticercosis? PMID- 29205325 TI - Couple-based Intervention for Depression: An Effectiveness Study in the National Health Service in England. AB - This study represents an effectiveness study and service evaluation of a cognitive behavioral, couple-based treatment for depression (BCT-D) provided in London services that are part of the "Improving Access to Psychological Therapies" (IAPT) program in England. Twenty-three therapists in community clinics were trained in BCT-D during a 5-day workshop, followed by monthly group supervision for 1 year. The BCT-D treatment outcome findings are based on 63 couples in which at least one partner was depressed and elected to receive BCT-D. Eighty-five percent of couples also demonstrated relationship distress, and 49% of the nonclient partners also met caseness for depression or anxiety. Findings demonstrated a recovery rate of 57% with BCT-D, compared to 41% for all IAPT treatments for depression in London. Nonclient partners who met caseness demonstrated a 48% recovery rate with BCT-D, although they were not the focus of treatment. BCT-D was equally effective for clients regardless of the clinical status of the nonclient partner, suggesting its effectiveness in assisting both members of the couple simultaneously. Likewise, treatment was equally effective whether or not both partners reported relationship distress. The findings are promising regarding the successful application of BCT-D in routine clinical settings. PMID- 29205326 TI - Clinical Features, Familial History, and Migraine Precursors in Patients With Definite Vestibular Migraine: The VM-Phenotypes Projects. AB - OBJECTIVE: The aim of this work was to assess through a questionnaire the features of vertiginous episodes, accompanying symptoms, familial history, and migraine precursors in a sample of 252 subjects with a diagnosis of definite vestibular migraine. BACKGROUND: Migraine is a common neurological disorder characterized by episodic headaches with specific features. About two-thirds of cases run in families, and patients may refer symptoms occurring in infancy and childhood, defined as episodic syndromes that may be associated with migraine. Migraine is associated with episodic vertigo, called vestibular migraine, whose diagnosis mainly relies on clinical history showing a temporary association of symptoms. METHODS: In this cross-sectional multicentric study, 252 subjects were recruited in different centers; a senior specialist through a structured questionnaire assessed features of vestibular symptoms and accompanying symptoms. RESULTS: The age of onset of migraine was 23 years, while onset of vertigo was at 38 years. One hundred and eighty-four subjects reported internal vertigo (73%), while 63 subjects (25%) reported external vertigo. The duration of vertigo attacks was less than 5 minutes in 58 subjects (23%), between 6 and 60 minutes in 55 (21.8%), between 1 and 4 hours in 29 (11.5%), 5 and 24 hours in 44 (17.5%), up to 3 days in 14 (5.5%), and more than 3 days in seven (2.8%); 14 subjects (5.5%) referred attacks lasting from less than 5 minutes and up to 1 hour, nine (3.6%) referred attacks lasting from less than 5 minutes and up to 1 to 4 hours, six (2.4%) referred attacks lasting from less than 5 minutes and up to 5 to 24 hours, and five (2%) cases referred attacks lasting from less than 5 minutes and up to days. Among accompanying symptoms, patients referred the following usually occurring, in order of frequency: nausea (59.9%), photophobia (44.4%), phonophobia (38.9%), vomiting (17.8%), palpitations (11.5%), tinnitus (10.7%), fullness of the ear (8.7%), and hearing loss (4%). In total, 177 subjects referred a positive family history of migraine (70.2%), while 167 (66.3%) reported a positive family history of vertigo. In the sample, 69% of patients referred at least one of the pediatric precursors, in particular, 42.8% of subjects referred motion sickness. The age of onset of the first headache was lower in the subsample with a familial history of migraine than in the total sample. Among the pediatric precursors, benign paroxysmal vertigo - BPV, benign paroxysmal torticollis, and motion sickness were predictive of a lower age of onset of vertigo in adulthood; cyclic vomiting was predictive for vomiting during vertigo attacks in adults. CONCLUSIONS: Our results may indicate that vestibular symptoms in pediatric patients may act as a predisposing factor to develop vestibular migraine at an earlier age in adulthood. PMID- 29205327 TI - Social behaviour and gut microbiota in red-bellied lemurs (Eulemur rubriventer): In search of the role of immunity in the evolution of sociality. AB - Vertebrate gut microbiota form a key component of immunity and a dynamic link between an individual and the ecosystem. Microbiota might play a role in social systems as well, because microbes are transmitted during social contact and can affect host behaviour. Combining methods from behavioural and molecular research, we describe the relationship between social dynamics and gut microbiota of a group-living cooperative species of primate, the red-bellied lemur (Eulemur rubriventer). Specifically, we ask whether patterns of social contact (group membership, group size, position in social network, individual sociality) are associated with patterns of gut microbial composition (diversity and similarity) between individuals and across time. Red-bellied lemurs were found to have gut microbiota with slight temporal fluctuations and strong social group-specific composition. Contrary to expectations, individual sociality was negatively associated with gut microbial diversity. However, position within the social network predicted gut microbial composition. These results emphasize the role of the social environment in determining the microbiota of adult animals. Since social transmission of gut microbiota has the potential to enhance immunity, microbiota might have played an escalating role in the evolution of sociality. PMID- 29205329 TI - Women who undergo HPV testing receive earlier detection and treatment of cervical precancers. PMID- 29205328 TI - Quantitative analysis of hepatic macro- and microvascular alterations during cirrhogenesis in the rat. AB - Cirrhosis represents the end-stage of any persistent chronically active liver disease. It is characterized by the complete replacement of normal liver tissue by fibrosis, regenerative nodules, and complete fibrotic vascularized septa. The resulting angioarchitectural distortion contributes to an increasing intrahepatic vascular resistance, impeding liver perfusion and leading to portal hypertension. To date, knowledge on the dynamically evolving pathological changes of the hepatic vasculature during cirrhogenesis remains limited. More specifically, detailed anatomical data on the vascular adaptations during disease development is lacking. To address this need, we studied the 3D architecture of the hepatic vasculature during induction of cirrhogenesis in a rat model. Cirrhosis was chemically induced with thioacetamide (TAA). At predefined time points, the hepatic vasculature was fixed and visualized using a combination of vascular corrosion casting and deep tissue microscopy. Three-dimensional reconstruction and data-fitting enabled cirrhogenic features to extracted at multiple scales, portraying the impact of cirrhosis on the hepatic vasculature. At the macrolevel, we noticed that regenerative nodules severely compressed pliant venous vessels from 12 weeks of TAA intoxication onwards. Especially hepatic veins were highly affected by this compression, with collapsed vessel segments severely reducing perfusion capabilities. At the microlevel, we discovered zone-specific sinusoidal degeneration, with sinusoids located near the surface being more affected than those in the middle of a liver lobe. Our data shed light on and quantify the evolving angioarchitecture during cirrhogenesis. These findings may prove helpful for future targeted invasive interventions. PMID- 29205331 TI - First person: Julie Vose, MD, MBA: The lymphoma specialist is focused on patients as well as organizational leadership. PMID- 29205330 TI - Secondhand smoke exposure declines among nonsmoking cancer survivors. PMID- 29205333 TI - Regulation of apical blebbing in the porcine epididymis. AB - Apical blebbing, a non-classical secretion mechanism, occurs in the mature porcine epididymis as part of its normal function. Proteins secreted by this mechanism contribute to the modification of the sperm plasma membrane during epididymal transit and are thought to contribute to acquisition of fertilizing ability. However, little is known about the regulation of this secretion mechanism in an in vivo model. Previous work demonstrated apical blebbing in the epididymis developed pubertally, suggesting androgens, sperm or other luminal factors regulated this process. Hence, the objective was to evaluate the hypothesized regulation of apical blebbing in the epididymis of pubertal boars by androgens and luminal factors. Androgen receptor blockade (flutamide) and surgical interventions (efferent duct ligation, orchidectomy or transection of the caput epididymis) were used to alter signaling, and the subsequent effects on apical blebbing were evaluated histologically. Apical blebbing was not altered by androgen receptor blockade with flutamide, but was significantly reduced 24 h after efferent duct ligation and after orchidectomy, treatments that eliminated luminal flow from the testis (P < 0.05). Like efferent duct ligation, epididymal transection altered luminal flow without removing the androgen source and significantly reduced the appearance of apical blebbing (P < 0.05). In conclusion, apical blebbing in the porcine epididymis appears to be regulated by luminal factors. PMID- 29205334 TI - Sodium glucose cotransporter 2 inhibitor canagliflozin attenuates liver cancer cell growth and angiogenic activity by inhibiting glucose uptake. AB - Sodium-glucose cotransporter 2 inhibitors (SGLT2-Is) comprise a new class of antidiabetic agents that inhibit glucose reabsorption in the renal proximal tubules. Although a recent report demonstrated the potential ability of SGLT2-Is to attenuate cancer growth of SGLT2-expressing cancer cells, little is known about the effects of SGLT2-Is on hepatocellular carcinoma (HCC). Here, we investigate the anti-cancer properties of a SGLT2-I, canagliflozin, against human liver cancer cells. SGTL2 mRNA and protein expression were detected in Huh7 and HepG2 cells, although not in HLE as well as primary human hepatocytes and hepatic stellate cells. Canagliflozin exerted antiproliferative effects on SGLT2 expressing Huh7 and HepG2 cells in a dose-dependent manner by inhibiting glycolytic metabolism including glucose uptake, lactate and intracellular ATP production. This agent also induced G2/M arrest and apoptosis with inhibited phosphorylation of ERK, p38 and AKT and cleavage of caspase3. Xenograft tumor growth assay showed that oral administration of canagliflozin (10 mg/kg/day) significantly reduced subcutaneous tumor burdens in a glycemic status-independent manner, and attenuated intratumor vascularization in Huh7- and HepG2-derived xenograft tumors in BALB/c nude mice. In vitro, canagliflozin suppressed the increased human umbilical vein endothelial cell (HUVEC) proliferation and tubular formation which were observed in Huh7 or HepG2 co-cultures. By contrast, canagliflozin had no effect on tumor growth and intratumor angiogenesis in SGLT2 null HLE-derived xenograft models. These results indicate that SGLT2-I therapy is a potential new strategy for the treatment of HCC. PMID- 29205335 TI - Melanomacrophage functions in the liver of the caecilian Siphonops annulatus. AB - Melanomacrophages are phagocytes that synthesize melanin. They are found in the liver and spleen of ectothermic vertebrates, and in the kidney of fish. In agnathan and elasmobranch fish, melanomacrophages are seen as isolated cells, and forming clusters in all the other vertebrates. The natural phagocytic activity of melanomacrophages is poorly characterized, as most of the research works have focused on induced phagocytic activity only. Furthermore, little is known about amphibian melanomacrophages, mainly about those in caecilians - wormlike amphibians in the order of Gymnophiona, which is the least known group of terrestrial vertebrates. The present research work aimed at the structure and function of hepatic melanomacrophages of Siphonops annulatus, a species largely found in South America. We identified the role of these cells in the control of circulating basophils (pro-melanogenic cells), in the turnover of liver collagen stroma and in the hemocatheresis, interrelated physiological mechanisms. PMID- 29205337 TI - Prevention of the development of problem behavior: A laboratory model. AB - Few studies have isolated the preventive efficacy of common behavioral strategies like noncontingent reinforcement (NCR) and differential reinforcement of alternative behavior (DRA). The purpose of the current study was to develop and evaluate a laboratory model of these two problem behavior prevention strategies. Undergraduate students participated in a computer simulation, in which clicks to a designated area of the computer screen were analogous to the emergence of problem behavior. The responding of participants in a control group, who experienced a percentile schedule used to mimic the shaping of problem behavior, was compared to that of participants in two experimental groups, each with a history of either DRA or NCR. Between-subjects group comparisons showed that both intervention strategies were equally effective in the prevention of our analog to problem behavior when compared to the control group. The strengths and limitations of a laboratory model for prevention are discussed in light of recent applied work in this area. PMID- 29205336 TI - Trends in incidence, mortality and survival of penile squamous cell carcinoma in Norway 1956-2015. AB - We examine trends in incidence, mortality and survival of penile squamous cell carcinoma (SCC) in Norway over 60 years. Data on all cases of penile cancer diagnosed in Norway during 1956-2015 were obtained from the Cancer Registry of Norway. Trends in age-standardized rates of penile SCC incidence, mortality and 5 year relative survival were assessed by the annual percentage change statistic and joinpoint regression. A total of 1,596 penile cancer cases were diagnosed during 1956-2015, among which 1,474 (92.4%) were SCC. During 2011-2015, the age standardized incidence and mortality of penile SCC were 0.91 (95% confidence interval (CI): 0.78; 1.05) and 0.50 (0.42; 0.60) per 100,000, respectively, and the 5-year relative survival was 61.6% (41.9; 76.4). The incidence of SCC increased during 1956-2015, with an average annual percentage change (AAPC) of 0.80% (0.46; 1.15). The increase was strongest among men diagnosed at a relatively early age (age<=64 years; AAPC: 1.47% (0.90; 2.05)). Mortality also increased over the study period (AAPC: 0.47% (0.10; 0.85)), whereas 5-year relative survival did not change (AAPC: 0.08% (-0.19; 0.36)). We conclude that the incidence of penile SCC has increased at a moderate and constant rate during 1956-2015, and that the most consistent increase occurred among younger men. Mortality also increased during the study period. However, survival did not change, thus changes in diagnostics and treatment had little impact on survival from penile SCC. Since a substantial proportion of penile SCC is caused by human papillomavirus (HPV), the incidence increase may in part be attributed to increased exposure to HPV in the population. PMID- 29205338 TI - S1P receptor antagonists fingolimod and siponimod do not improve the outcome of experimental autoimmune myasthenia gravis mice after disease onset. AB - Myasthenia gravis (MG) is an autoimmune disease characterized by muscle weakness and fatigue in the presence of circulating antibodies against components of the neuromuscular junction. Most patients have a good prognosis, but some are refractory to standard-of-care immunosuppressive treatment and suffer from recurrent myasthenic crises. Functional sphingosine-1-phosphate (S1P) antagonists like fingolimod and siponimod (BAF312) are successfully used for the treatment of multiple sclerosis, and fingolimod was shown to prevent the development of myasthenic symptoms in experimental autoimmune myasthenia gravis (EAMG), the standard model of MG. Here, we investigated whether fingolimod or siponimod improves outcome in EAMG mice when administered after disease onset, modeling the clinical setting in human MG. Both S1P antagonists inhibited lymphocyte egress, resulting in peripheral lymphopenia. After stimulation, there were differences in T-cell responses, but no change in either antibody titers or total or antigen specific plasma cell populations after treatment. Most importantly, disease incidence and severity were not influenced by fingolimod or siponimod therapy. Although fingolimod and siponimod did lead to subtle changes in T-cell responses, they had no significant effect on antibody titers and disease severity. In conclusion, our data show no evidence of a therapeutic potential for S1P receptor antagonists in MG treatment. PMID- 29205339 TI - Acne in late adolescence and risk of prostate cancer. AB - Accumulating evidence suggest that Propionibacterium acnes may play a role in prostate carcinogenesis, but data are so far limited and inconclusive. The aim of this population-based cohort study was therefore to test whether presence of acne vulgaris during late adolescence is associated with an increased risk of prostate cancer later in life. We identified a large cohort of young men born in Sweden between 1952 and 1956, who underwent mandatory assessment for military conscription around the age of 18 (n = 243,187). Test information along with health data including medical diagnoses at time of conscription was available through the Swedish Military Conscription Register and the National Patient Register. The cohort was followed through linkages to the Swedish Cancer Register to identify the occurrence of prostate cancer until December 31, 2009. We used Cox regression to calculate adjusted hazard ratios (HR) and 95% confidence intervals (95% CI) for the association between acne in adolescence and prostate cancer risk. A total of 1,633 men were diagnosed with prostate cancer during a median follow-up of 36.7 years. A diagnosis of acne was associated with a statistically significant increased risk for prostate cancer (adjusted HR: 1.43 95%; CI: 1.06-1.92), particularly for advanced stage disease (HR: 2.37 95%; CI 1.19-4.73). A diagnosis of acne classified as severe conferred a sixfold increased risk of prostate cancer (HR: 5.70 95% CI 1.42-22.85). Data from this large prospective population-based cohort add new evidence supporting a role of P. acnes infection in prostate cancer. PMID- 29205340 TI - Marital Expectations in Strong African American Marriages. AB - The current exploratory study utilized a family strengths framework to identify marital expectations in 39 strong African American heterosexual marriages. Couples reflected on their marital expectations over their 10 or more years of marriage. Three themes emerged through qualitative analysis and the participants' own words were used in the presentation of the themes. African Americans indicated that there was growth in marital expectations over time, with marital expectations often beginning with unrealistic expectations that grew into more realistic expectations as their marriages progressed. Participants also indicated that core expectations in strong African American marriages included open communication, congruent values, and positive treatment of spouse. Finally, participants explained there is an "I" in marriage as they discussed the importance of autonomy within their marital relationships. Results are discussed in association with existing research and theory. PMID- 29205341 TI - Editorial: The Multidisciplinary World of Couple and Family Therapy and Family Science. PMID- 29205342 TI - Phylogenetic analyses of the hepatic architecture in vertebrates. AB - The mammalian liver has a structural and functional unit called the liver lobule, in the periphery of which the portal triad consisting of the portal vein, bile duct and hepatic artery is developed. This type of hepatic architecture is detectable in many other vertebrates, including amphibians and birds, whereas intrahepatic bile ducts run independently of portal vein distribution in actinopterygians such as the salmon and tilapia. It remains to be clarified how the hepatic architectures are phylogenetically developed among vertebrates. The present study morphologically and immunohistochemically analyzed the hepatic structures of various vertebrates, including as many classes and subclasses as possible, with reference to intrahepatic bile duct distribution. The livers of vertebrates belonging to the Agnatha, Chondrichthyes, Amphibia, Aves, Mammalia, and Actinopterygii before Elopomorpha, had the portal triad-type architecture. The Anguilliformes livers developed both periportal bile ducts and non-periportal bile ducts. The Otocephala and Euteleostei livers had independent configuration of bile ducts and portal veins. Pancreatic tissues penetrated the liver parenchyma along portal veins in the Euteleostei. The liver of the lungfish, which shares the same origin with amphibians, did not have the portal triad-type architecture. Teleostei and lungfish livers had ductular development in the liver parenchyma similar to oval cell proliferation in injured mammalian livers. Euteleostei livers had penetration of significant numbers of independent portal veins from their intestines, suggesting that each liver lobe might receive a different blood supply. The hepatic architectures of the portal triad-type changed to non-portal triad-type architecture along the evolution of the Actinopterygii. The hepatic architecture of the lungfish resembles that of the Actinopterygii after Elopomorpha in intrahepatic biliary configuration, which may be an example of convergent evolution. PMID- 29205343 TI - Honest, Open, Proud for adolescents with mental illness: pilot randomized controlled trial. AB - BACKGROUND: Due to public stigma or self-stigma and shame, many adolescents with mental illness (MI) struggle with the decision whether to disclose their MI to others. Both disclosure and nondisclosure are associated with risks and benefits. Honest, Open, Proud (HOP) is a peer-led group program that supports participants with disclosure decisions in order to reduce stigma's impact. Previously, HOP had only been evaluated among adults with MI. METHODS: This two-arm pilot randomized controlled trial included 98 adolescents with MI. Participants were randomly assigned to HOP and treatment as usual (TAU) or to TAU alone. Outcomes were assessed pre (T0/baseline), post (T1/after the HOP program), and at 3-week follow up (T2/6 weeks after T0). Primary endpoints were stigma stress at T1 and quality of life at T2. Secondary outcomes included self-stigma, disclosure-related distress, empowerment, help-seeking intentions, recovery, and depressive symptoms. The trial is registered on ClinicalTrials (NCT02751229; http://www.clinicaltrials.gov). RESULTS: Compared to TAU, adolescents in the HOP program showed significantly reduced stigma stress at T1 (d = .92, p < .001) and increased quality of life at T2 (d = .60, p = .004). In a longitudinal mediation model, the latter effect was fully mediated by stigma stress reduction at T1. HOP further showed significant positive effects on self-stigma, disclosure-related distress, secrecy, help-seeking intentions, attitudes to disclosure, recovery, and depressive symptoms. Effects at T1 remained stable or improved further at follow-up. In a limited economic evaluation HOP was cost-efficient in relation to gains in quality of life. CONCLUSIONS: As HOP is a compact three-session program and showed positive effects on stigma and disclosure variables as well as on symptoms and quality of life, it could help to reduce stigma's negative impact among adolescents with MI. PMID- 29205344 TI - Synergistic actions of vitamin D and metformin on skeletal muscles and insulin resistance of type 2 diabetic rats. AB - Diabetes Mellitus is a chronic generalized disorder due to insulin insufficiency or resistance. Skeletal muscles represent one of the most important target organs that is affected by insulin signaling. The aim of the current work was to investigate the effect of metformin versus vitamin D (and also simultaneous administration) therapy in type 2 diabetic (T2D) rats on the state of the muscle and insulin sensitivity. Thirty six male rats constituted the animal model and have been divided into five groups: control, Diabetic, Diabetic + Metformin, Diabetic + Vitamin D, Diabetic + Metformin + Vitamin D. Blood samples were taken for biochemical measurements of serum calcium, interleukin-6 (IL-6), Triglycerides (TG), glucose, insulin, and calculation of HOMA-IR, and then rats were sacrificed, dissected for removal of gastrocnemius muscle that is used for both biochemical, histopathological and electron microscopy examination. Oral administration of vitamin D alone or in combination with metformin improved insulin sensitivity in skeletal muscles, and sustained the metabolic complications along with muscle atrophy and inflammation in T2D rats. We demonstrated super-beneficial action on insulin resistance of additional vitamin D therapy in T2DM rats that were insufficiently controlled by metformin alone. PMID- 29205345 TI - Evidence-Based Medicine and State Health Care Coverage: The Washington Health Technology Assessment Program. AB - OBJECTIVE: To evaluate the Washington State Health Technology Assessment Program (WHTAP). STUDY SETTING: Washington State Health Technology Assessment Program proceedings in Seattle, Washington. DATA COLLECTION AND STUDY DESIGN: We assessed the program through observation of its proceedings over a 5-year period, 2009 2014. We conducted detailed analyses of the documents it produced and reviewed relevant literature. PRINCIPAL FINDINGS: Washington State Health Technology Assessment Program is unique compared to other state and federal programs. It has successfully applied evidence-based medicine to health care decision making, limited by the strength of available data. It claims cost savings, but they are not substantiated. CONCLUSIONS: Washington State Health Technology Assessment Program is a useful model for other states considering implementation of technology assessment programs. We provide key lessons for improving WHTAP's process. PMID- 29205346 TI - Effect of disease-modifying anti-rheumatic drugs on therapeutic outcomes among women with endometriosis. AB - OBJECTIVE: To determine whether disease-modifying anti-rheumatic drugs (DMARDs) affect the use of hormonal treatments, subsequent ablative surgery, and need for pain management, including opioids, non-steroidal anti-inflammatory drugs and anti-depressants, among women with endometriosis. METHODS: In a retrospective study, data were reviewed from women with surgically confirmed endometriosis who were not treated (n=234) or treated with DMARDs for 6 weeks or more (n=25) before surgical diagnosis at a single healthcare system in the USA between 2003 and 2013. The postoperative use of hormonal treatments, proportion of women undergoing subsequent ablative surgery, and use of adjunct therapies such as antidepressants, steroids, and opioids after surgery were compared between the two groups. RESULTS: The two groups showed differences in age (P=0.007) and follow-up time (P<0.001). Univariate analysis showed more frequent use of hormonal treatments (P=0.045) and antidepressants (P=0.006) among women treated with DMARDs. The frequency of post-diagnostic use of opioids was lower among treated women (P=0.001); this association remained significant in multivariate analysis controlling for potential confounders (P=0.003). CONCLUSION: The findings suggest that administration of DMARDs for at least 6 weeks is associated with decreased opioid usage among women with endometriosis. PMID- 29205347 TI - Low mtDNA variation and shallow population structure of the Chinese pomfret Pampus chinensis along the China coast. AB - In the present study, population genetic structure and genetic diversity of the Chinese pomfret Pampus chinensis, along the China coast were investigated and compared with that from Indonesia using mitochondrial DNA cytochrome b gene sequences. A total of 28 variable sites (including 18 singleton sites and 10 parsimony information sites) were observed and 23 haplotypes were defined in 330 individuals from 11 localities. The haplotype diversity (HD ) of the populations ranged from 0.540 to 0.828, the nucleotide diversity (pi) ranged from 0.081 to 0.295%. Pairwise FST statistics showed that significant genetic divergence occurred among populations from different geographical regions. The high dispersal capabilities, geographic segregation and ocean currents may be responsible for the present population genetic structure in this species. In addition, a population expansion event during the late Pleistocene period was inferred. The time of population expansion was estimated to occur about 117 000 169 000 years ago. PMID- 29205348 TI - Exploring the Potential of Mesquite Gum-Nopal Mucilage Mixtures: Physicochemical and Functional Properties. AB - : In this work the physicochemical and functional properties of mesquite gum (MG) and nopal mucilage (NM) mixtures (75-25, 50-50, 25-75) were evaluated and compared with those of the individual biopolymers. MG-NM mixtures exhibited more negative zeta potential (ZP) values than those displayed by MG and NM, with 75-25 MG-NM showing the most negative value (-14.92 mV at pH = 7.0), indicative that this biopolymer mixture had the highest electrostatic stability in aqueous dispersions. Viscosity curves and strain amplitude sweep of aqueous dispersions (30% w/w) of the individual gums and their mixtures revealed that all exhibited shear thinning behavior, with NM having higher viscosity than MG, and all displaying fluid-like viscoelastic behavior where the loss modulus predominated over the storage modulus (G">G'). Differential Scanning Calorimetry revealed that MG, NM, and MG-NM mixtures were thermally stable with decomposition peaks in a range from 303.1 to 319.6 degrees C. From the functional properties viewpoint, MG (98.4 +/- 0.7%) had better emulsifying capacity than NM (51.9 +/- 2.0%), while NM (43.0 +/- 1.4%) had better foaming capacity than MG. MG-NM mixtures acquired additional functional properties (emulsifying and foaming) regarding the individual biopolymers. Therefore, MG-NM mixtures represent interesting alternatives for their application as emulsifying and foaming agents in food formulations. PRACTICAL APPLICATION: Mesquite gum (MG) and nopal mucilage (NM) are promising raw materials with excellent functional properties whose use has been largely neglected by the food industry. This work demonstrates MG-NM mixtures acquired additional functional properties regarding the individual biopolymers, making these mixtures multifunctional ingredients for the food industry. PMID- 29205349 TI - Perioperative cytokine levels portend early death after pancreatectomy for ductal adenocarcinoma. AB - BACKGROUND: Soluble signaling molecules may play an important role in malignant pathogenesis. We hypothesize that perioperative cytokine levels are associated with outcomes in patients with pancreatic adenocarcinoma (PDAC) undergoing surgical resection. METHODS: One hundered and eighteen patients with benign or malignant pancreatic disease were enrolled in a prospective study through a protocol for banking biologic samples. Peripheral blood was drawn at time of operation, and a multiplex cytokine assay was performed. Statistical analysis was via chi2 and Kaplan Meier methods. RESULTS: Of 118 patients enrolled, 85 (72%) had a diagnosis of PDAC, and 60 (70%) ultimately underwent partial pancreatectomy. Cytokine levels were not associated with postoperative complications in this initial cohort. A plasma level of monocyte chemoattractant protein-1 (MCP-1) pg/mL <=118 was associated with better overall survival (OS) (median survival 21 months vs 12.8 months, P = 0.023), as was non-detectable interleukin-8 (IL-8) (19 months) versus detectable IL-8 (12.8 months, P = 0.05). Patients with both MCP-1 >118 pg/mL and detectable IL-8 had a median survival of 10.6 months (P = 0.028). CONCLUSIONS: MCP-1 and IL-8 cytokine levels are associated with decreased survival following pancreatectomy for PDAC, and may be useful biomarkers. Measurement of these cytokine levels at different time points in future investigations will be important to validate these findings. PMID- 29205350 TI - A more sensitive detection of micrometastases of NSCLC in lymph nodes using the one-step nucleic acid amplification (OSNA) method. AB - BACKGROUND: Detection of tumor cells in lymph nodes (LNs) removed during the treatment of pulmonary tumor by radical surgery is limited by the possibilities of standard histopathological methods. The goal of this study was to obtain more accurate pTNM status by a more sensitive detection of micrometastases in LNs. METHODS: A total of 885 LNs, an average of 13.8 LNs per patient, were removed during 64 surgeries. LNs from the same zone were pooled together as a group, five groups of LNs were examined in each patient. A total of 320 groups of LNs were examined. One-step nucleic acid amplification (OSNA) method was compared to standard histopathological examination with haematoxylin-eosin (H&E) staining and CK19 immunohistochemistry, specifically by an ultimate analysis of all intraoperatively removed LNs. RESULTS: Identical results for H&E and OSNA examinations were recorded in 286 groups of LNs (89.4%). In total, positive examinations were recorded in 27 groups of LNs (8.4%) using the OSNA method, which were H&E negative. In seven groups of LNs (2.2%), the H&E examination was positive, while OSNA method produced negative results. CONCLUSIONS: The OSNA examination led to a higher pTNM stage classification in 14 (21.9%) patients. The clinical significance remains the subject of follow-up research. PMID- 29205353 TI - Subconjunctival Dirofilaria repens infection in a dog resident in the UK. AB - Dirofilaria repens infection was diagnosed in a 5-year-old female German shepherd crossbreed, originally from Romania but brought into the UK in February 2014. The dog presented with conjunctivitis in March 2014 and then again 2 months later with additional ocular and nasal mucopurulent discharge. Bacterial cultures from the nasolacrimal duct were negative for bacterial growth. The case was referred in August 2014 for ophthalmic examination, which revealed abnormalities in both eyes, especially the left. They included mild palpebral conjunctival hyperaemia and marked follicular conjunctivitis, as well as a dorsonasal bulbar conjunctival mass. Serum biochemistry was unremarkable and a conjunctival biopsy taken from the dorsonasal bulbar conjunctival mass revealed eosinophilic/lymphoplasmacytic conjunctivitis. At re-examination, nematodes were found in the area of the previous biopsy site and in the ventral palpebral conjunctival fornix. Polymerase chain reaction and sequencing confirmed these to be D. repens. Treatment with 10% imidacloprid and 2.5% moxidectin (Advocate Spot-On) was successful, and clinical signs resolved over a 6-week period. This case report indicates that D. repens infection should be considered as a possible aetiological cause of ocular lesions in dogs in the UK, especially those with a history of foreign travel. Implications for establishment and spread of D. repens in the UK are discussed. PMID- 29205352 TI - Characteristics and long-term survival of patients diagnosed with pure tubular carcinoma of the breast. AB - BACKGROUND AND OBJECTIVES: Pure tubular carcinomas (TC) of the breast are generally considered to have an excellent prognosis. This study aimed to analyze the characteristics and survival of patients with TC. METHODS: This was a retrospective study conducted at the CHU de Quebec-Universite Laval. Databases were searched for all cases treated between April 1997 and December 2010. Survival was retrieved from the Province of Quebec Ministry of Health. Follow-up was censored on December 31, 2011. Overall survival (OS) was compared to patients with invasive ductal carcinoma (ICD) matched for age, tumor size, lymph node involvement, year of diagnosis, ER, PgR, and HER2, histological grade, lymphovascular invasion, and chemotherapy. RESULTS: The frequency of TC was 2.9% (n = 223/7563). Tumors size was 7.4 +/- 8.8 mm, without lymphovascular invasion (95.1%), ER-positive (98.2%), PgR-positive (69.5%), and HER2-negative (100%). Patients were followed up for 7.1 +/- 2.7 years. The actuarial 13-year OS was 89.0% for TC, compared to 85.8% for IDC (P = 0.13). For TC, the 13-year OS was 95.8% in NO patients compared to 90.0% for N1-3 (P = 0.01). CONCLUSION: Despite the general popular belief that patients with TC fare better than patients with IDC, the 13-year OS of TC was similar to that of grade I IDC. PMID- 29205351 TI - Oncologic effects of preoperative biliary drainage in resectable hilar cholangiocarcinoma: Percutaneous biliary drainage has no adverse effects on survival. AB - BACKGROUND AND OBJECTIVES: The objective of the current study was to define long term survival of patients with resectable hilar cholangiocarcinoma (HCCA) after preoperative percutaneous transhepatic biliary drainage (PTBD) versus endoscopic biliary drainage (EBD). METHODS: Between 2000 and 2014, 240 patients who underwent curative-intent resection for HCCA were identified at 10 major hepatobiliary centers. Postoperative morbidity and mortality, as well as disease specific survival (DSS) and recurrence-free survival (RFS) were analyzed among patients. RESULTS: The median decrease in total bilirubin levels after biliary drainage was similar comparing PTBD (n = 104) versus EBD (n = 92) (mg/dL, 4.9 vs 4.9, P = 0.589) before surgery. There was no difference in baseline demographic characteristics, type of surgical procedure performed, final AJCC tumor stage or postoperative morbidity among patients who underwent EBD only versus PTBD (all P > 0.05). Patients who underwent PTBD versus EBD had a comparable long-term DSS (median, 43.7 vs 36.9 months, P = 0.802) and RFS (median, 26.7 vs 24.0 months, P = 0.571). The overall pattern of recurrence relative to regional or distant disease was also the same among patients undergoing PTBD and EBD (P = 0.669) CONCLUSIONS: Oncologic outcomes including DSS and RFS were similar among patients who underwent PTBD versus EBD with no difference in tumor recurrence location. PMID- 29205354 TI - Podocytes are new cellular targets of haemoglobin-mediated renal damage. AB - Recurrent and massive intravascular haemolysis induces proteinuria, glomerulosclerosis, and progressive impairment of renal function, suggesting podocyte injury. However, the effects of haemoglobin (Hb) on podocytes remain unexplored. Our results show that cultured human podocytes or podocytes isolated from murine glomeruli bound and endocytosed Hb through the megalin-cubilin receptor system, thus resulting in increased intracellular Hb catabolism, oxidative stress, activation of the intrinsic apoptosis pathway, and altered podocyte morphology, with decreased expression of the slit diaphragm proteins nephrin and synaptopodin. Hb uptake activated nuclear factor erythroid-2-related factor 2 (Nrf2) and induced expression of the Nrf2-related antioxidant proteins haem oxygenase-1 (HO-1) and ferritin. Nrf2 activation and Hb staining was observed in podocytes of mice with intravascular haemolysis. These mice developed proteinuria and showed podocyte injury, characterized by foot process effacement, decreased synaptopodin and nephrin expression, and podocyte apoptosis. These pathological effects were enhanced in Nrf2-deficient mice, whereas Nrf2 activation with sulphoraphane protected podocytes against Hb toxicity both in vivo and in vitro. Supporting the translational significance of our findings, we observed podocyte damage and podocytes stained for Hb, HO-1, ferritin and phosphorylated Nrf2 in renal sections and urinary sediments of patients with massive intravascular haemolysis, such as atypical haemolytic uraemic syndrome and paroxysmal nocturnal haemoglobinuria. In conclusion, podocytes take up Hb both in vitro and during intravascular haemolysis, promoting oxidative stress, podocyte dysfunction, and apoptosis. Nrf2 may be a potential therapeutic target to prevent loss of renal function in patients with intravascular haemolysis. Copyright (c) 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. PMID- 29205355 TI - Clinical outcomes in breast angiosarcoma patients: A rare tumor with unique challenges. AB - BACKGROUND: Breast angiosarcoma (AS) accounts for less than 1% of all breast cancers. The goal of this study was to determine patient outcomes in radiation associated angiosarcoma of the breast (RAAS) and sporadic AS. We evaluated patterns of recurrence and predictors of breast AS survival. METHODS: Patients with pathologically confirmed AS from 1994 to 2014 referred to Mount Sinai Hospital/Princess Margaret Cancer Centre were included. Primary outcome was overall survival (OS). Secondary outcomes were disease-free survival (DFS), clinicopathologic characteristics, patterns of recurrence and factors predictive of survival. Kaplan-Meier and log-rank tests were used for OS and DFS. RESULTS: Twenty-six patients were included: 6 with sporadic AS and 20 with RAAS. Median follow-up was 24 months. Five-year OS for RAAS and sporadic subgroups were 44% and 40%, respectively (P = ns). Five-year DFS for RAAS and sporadic subgroups were 23% and 20%, respectively (P = ns). Overall recurrence rate was 67% with median time to recurrence of 11 months. Age, tumor depth, margin status, and tumor size were not statistically significant predictive factors for OS and DFS. DISCUSSION: Breast AS is associated with poor survival and high recurrence rates. Prognosis may be mainly determined by its aggressive biology. Referral to tertiary care centers for multimodality treatment is recommended. PMID- 29205357 TI - Hexokinase 2-dependent hyperglycolysis driving microglial activation contributes to ischemic brain injury. AB - Hyperglycolysis, observed within the penumbra zone during brain ischemia, was shown to be detrimental for tissue survival because of lactate accumulation and reactive oxygen species overproduction in clinical and experimental settings. Recently, mounting evidence suggests that glycolytic reprogramming and induced metabolic enzymes can fuel the activation of peripheral immune cells. However, the possible roles and details regarding hyperglycolysis in neuroinflammation during ischemia are relatively poorly understood. Here, we investigated whether overactivated glycolysis could activate microglia and identified the crucial regulators of neuroinflammatory responses in vitro and in vivo. Using BV 2 and primary microglial cultures, we found hyperglycolysis and induction of the key glycolytic enzyme hexokinase 2 (HK2) were essential for microglia-mediated neuroinflammation under hypoxia. Mechanistically, HK2 up-regulation led to accumulated acetyl-coenzyme A, which accounted for the subsequent histone acetylation and transcriptional activation of interleukin (IL)-1beta. The inhibition and selective knockdown of HK2 in vivo significantly protected against ischemic brain injury by suppressing microglial activation and IL-1beta production in male Sprague-Dawley rats subjected to transient middle cerebral artery occlusion (MCAo) surgery. We provide novel insights for HK2 specifically serving as a neuroinflammatory determinant, thus explaining the neurotoxic effect of hyperglycolysis and indicating the possibility of selectively targeting HK2 as a therapeutic strategy in acute ischemic stroke. PMID- 29205356 TI - Molecular and functional characterization of inwardly rectifying K+ currents in murine proximal colon. AB - KEY POINTS: Interstitial cells of Cajal (ICC) from murine colonic muscles express genes encoding inwardly rectifying K+ channels. Transcripts of Kcnj2 (Kir2.1), Kcnj4 (Kir2.3), Kcnj14 (Kir2.4), Kcnj5 (Kir3.4), Kcnj8 (Kir 6.1) and Kcnj11 (Kir6.2) were found in colonic ICC. A conductance with properties consistent with Kir2 channels was observed in ICC but not in smooth muscle cells (SMC). Despite expression of gene transcripts, G-protein gated K+ channel (Kir3) and KATP (Kir6) currents were not resolved in ICC. KATP is a conductance prominent in SMC. Kir2 antagonist caused depolarization of freshly dispersed ICC and colonic smooth muscles, suggesting that this conductance is active under resting conditions in colonic muscles. The conclusion of the present study is that ICC express the Ba2+ -sensitive, inwardly rectifying K+ conductance in colonic muscles. This conductance is most probably a result of heterotetramers of Kir2 gene products, with this regulating resting potentials and the excitability of colonic muscles. ABSTRACT: Membrane potentials of gastrointestinal muscles are important because voltage-dependent Ca2+ channels in smooth muscle cells (SMC) provide the Ca2+ that triggers contraction. Regulation of membrane potential is complicated because SMC are electrically coupled to interstitial cells of Cajal (ICC) and PDGFRalpha+ cells. Activation of conductances in any of these cells affects the excitability of the syncytium. We explored the role of inward rectifier K+ conductances in colonic ICC that might contribute to regulation of membrane potential. ICC expressed Kcnj2 (Kir2.1), Kcnj4 (Kir2.3), Kcnj14 (Kir2.4), Kcnj5 (Kir3.4), Kcnj8 (Kir 6.1) and Kcnj11 (Kir6.2). Voltage clamp experiments showed activation of inward current when extracellular K+ ([K+ ]o ) was increased. The current was inwardly rectifying and inhibited by Ba2+ (10 MUm) and ML-133 (10 MUm). A similar current was not available in SMC. The current activated in ICC by elevated [K+ ]o was not affected by Tertiapin-Q. Gbetagamma, when dialysed into cells, failed to activate a unique, Tertiapin-Q-sensitive conductance. Freshly dispersed ICC showed no evidence of functional KATP . Pinacidil failed to activate current and the inward current activated by elevated [K+ ]o was insensitive to glibenclamide. Under current clamp, ML-133 caused the depolarization of isolated ICC and also that of cells impaled with microelectrodes in intact muscle strips. These findings show that ICC, when isolated freshly from colonic muscles, expressed a Ba2+ -sensitive, inwardly rectifying K+ conductance. This conductance is most probably a result of the expression of multiple Kir2 family paralogues, and the inwardly rectifying conductance contributes to the regulation of resting potentials and excitability of colonic muscles. PMID- 29205358 TI - Prognostic impact of postoperative pulmonary complications following salvage esophagectomy after definitive chemoradiotherapy. AB - BACKGROUND: Postoperative complications after esophagectomy for esophageal cancer have a negative effect on patients' survival. Although postoperative complications are more frequently observed after salvage esophagectomy than after planned esophagectomy, the effects of postoperative complications on long-term oncologic outcomes after salvage esophagectomy remain unclear. METHODS: This retrospective study of 70 esophageal cancer patients after definitive chemoradiotherapy (dCRT) compared long-term outcomes between those with and without complications. The association between morbidity and overall survival (OS) was evaluated by a Cox regression analysis. To identify the risk factors for pulmonary complications, logistic regression analysis was carried out. RESULTS: Postoperative complications occurred in 42 (60.0%) patients. Pulmonary complications and anastomotic leakage occurred in 23 (32.9%) and 9 (12.9%) patients, respectively. Overall complications and anastomotic leakage did not affect long-term outcomes. Survival was significantly worse for patients with pulmonary complications. Radiation dose (<60 Gy), response to dCRT (complete), ypStage (0-II), residual disease (R0), and pulmonary complications (negative) were independent factors related to a favorable OS. BMI (<20 kg/m2 ), ASA-PS (2 3), and radiation dose (>60 Gy) were significant factors affecting the occurrence of pulmonary complications. CONCLUSIONS: Development of postoperative pulmonary complications was independently associated with poor prognosis in patients who underwent salvage esophagectomy after dCRT. PMID- 29205359 TI - Effects of estrogen replacement therapy on the myelin sheath ultrastructure of myelinated fibers in the white matter of middle-aged ovariectomized rats. AB - The effects of estrogen replacement therapy (ORT) on white matter and the myelin sheath ultrastructure in the white matter of middle-aged ovariectomized (OVX) rats were investigated in this study. Middle-aged rats were ovariectomized and divided into a placebo replacement (OVX + O) group and an estrogen replacement (OVX + E) group. Then, the Morris water maze, electron microscope techniques, and stereological methods were used to investigate the effects of ORT on spatial learning capacity, white matter volume and the myelin sheath ultrastructure in the white matter. We found that the spatial learning capacity of the OVX + E rats was significantly improved compared with that of the OVX + O rats. When compared with that of OVX + O rats, the total volume of the myelin sheaths in the white matter of the OVX + E rats was significantly increased by 27%, and the difference between the outer perimeter and inner perimeter of the myelin sheaths of the white matter in the OVX + E rats increased significantly by 12.6%. The myelinated fibers with mean diameters of 1.2-1.4 MUm were significantly longer (46.1%) in the OVX + E rats; the difference between the mean diameter of myelinated fibers and the mean diameter of axons (0-0.4 MUm) was significantly increased by 21.6% in the OVX + E rats. These results suggested that ORT had positive protective effects on the spatial learning ability and on the myelin sheath ultrastructure in the white matter of middle-aged OVX rats. PMID- 29205360 TI - Chemical marking of European glass eels Anguilla anguilla with alizarin red S and in combination with strontium: in situ evaluation of short-term salinity effects on survival and efficient mass-marking. AB - This study presents a new chemical double-marking technique for European glass eels Anguilla anguilla by combing alizarin red S (ARS) and strontium chloride hexahydrate (Sr). Marked eels (double marked with ARS and Sr, but also single marked with ARS) were exposed in situ to brackish water (15 g l-1 artificial sea salt) for 14 days and did not exhibit increased mortalities compared with unmarked eels. Indeed, no mortality occurred in a marked group during the experiments. Moreover, an efficient mass-marking approach with low handling effort for both single ARS and double ARS-Sr techniques is described and was proven to be practicable for large-scale stocking programmes. PMID- 29205361 TI - Vascular anatomy of the jejunal mesentery and complications associated with division of the first jejunal venous trunk during pancreaticoduodenectomy. AB - BACKGROUND: Little is known about the anatomy of the jejunal veins (JVs) flowing into the superior mesenteric vein (SMV), and whether they can be safely divided during pancreaticoduodenectomy. METHODS: Computed tomography was used to review the jejunal branches off the superior mesenteric artery (SMA) and into the SMV in 123 consecutive patients. The common trunk of the JVs (jejunal venous trunk, JVT) was classified as ventral or dorsal to the SMA. RESULTS: The first JVT involved multiple JVs in 108 (87.8%) cases. The first JVT diameter (>=7 or <7 mm) was significantly associated with the number of JVs (>=4 or <4; P < 0.05). Surgical outcomes were not significantly different between cases in which the first JVT was sacrificed (n = 32) or preserved (n = 91), except for operation time and portal venous resection frequency. One of the 32 cases (3.1%) with first JVT sacrifice showed severe congestion of the jejunal limb requiring emergency jejunal resection. CONCLUSIONS: The size and topology of the first JVT are associated with the number of JVs involved. This is important for understanding the resectional area of the mesojejunum and the pathogenesis of jejunal congestion. PMID- 29205362 TI - Anti-oncostatin M antibody inhibits the pro-malignant effects of oncostatin M receptor overexpression in squamous cell carcinoma. AB - The oncostatin M (OSM) receptor (OSMR) shows frequent gene copy number gains and overexpression in cervical squamous cell carcinomas (SCCs), associated with adverse clinical outcomes. In SCC cells that overexpress OSMR, the major ligand OSM induces multiple pro-malignant effects, including invasion, secretion of angiogenic factors, and metastasis. Here, we demonstrate, for the first time, that OSMR overexpression in SCC cells activates cell-autonomous feed-forward signalling, via further expression of OSMR and OSM and sustained STAT3 activation, despite expression of the negative regulator suppressor of cytokine signalling 3 (SOCS3). The pro-malignant effects associated with OSMR overexpression are critically mediated by JAK-STAT3 activation, which is induced by exogenous OSM and also by autocrine OSM-OSMR interactions. Importantly, specific inhibition of OSM-OSMR interactions by neutralizing antibodies significantly inhibits STAT3 activation and feed-forward signalling, leading to reduced invasion, angiogenesis, and metastasis. Our findings are supported by data from 1254 clinical SCC samples, in which OSMR levels correlated with multiple cognate genes, including OSM, STAT3, and downstream targets. These data strongly support the development of OSM-OSMR-blocking antibodies as biologically targeted therapies against SCCs of the cervix and other anatomical sites. Copyright (c) 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. PMID- 29205363 TI - Risk of peritoneal metastases in patients who had negative peritoneal staging and received therapy for localized gastric adenocarcinoma. AB - BACKGROUND: Positive peritoneal cytology (+PCyt) or gross carcinomatosis (GPC) carries a poor prognosis. Laparoscopic staging to detect +PCyt/GPC is recommended for all >=T1b gastric adenocarcinoma (GAC). The natural history of patients with GAC who have baseline -PCyt and then undergo multimodality therapy is not well documented, particularly for the risk of subsequent GPC. METHODS: We identified 238 GAC patients with baseline -PCyt who were followed for the development of peritoneal carcinomatosis (PC). Standard statistical methods were employed. RESULTS: Of 238 patients, 192 had attempted surgery after preoperative therapy. Of these, 13 patients (6.8%) had GPC and one had liver metastases, thus surgery was aborted. We followed 164 patients who had an R0 resection. The median follow up duration was 3.4 (range, 0.6-18) years. The rate of PC was 13.4%, (22/164 patients) and the median time to PC was 15.6 months. Female gender was associated with PC on multivariate analysis. The 5-year OS rate for patients without subsequent PC was 75%. Conclusion Even with baseline -Cyt, ~25% of patients develop PC following multimodality therapy. Patients who do not develop PC have an excellent OS rate. Further research is warranted to detect PC at baseline by the use of biomarkers. PMID- 29205364 TI - Effects of local multivisceral resection for clinically locally advanced rectal cancer on long-term outcomes. AB - INTRODUCTION: Multivisceral resection is occasionally needed to obtain clear margins in patients with transmural rectal cancer. Most series demonstrate equivalent outcomes between those patients who undergo multivisceral resections and those who do not, provided an R0-resection is achieved. This study focuses solely on patients who received neoadjuvant treatment for clinically transmural rectal cancers and underwent a local multivisceral R0-resection. METHODS: A retrospective, single center analysis of consecutive series of patients who received a surgical R0-resection after neoadjuvant treatment for a clinically transmural, non-metastatic, primary rectal cancer. All patients were operated on between 2004 and 2015. RESULTS: A total of 279 patients was included, of whom 29 patients underwent a local multivisceral R0-resection (LMVR). These patients were more often female and less often diagnosed through screening. Pathologic AJCC staging was significantly lower for non-LMVR patients, with more favorable tumor characteristics. LMVR patients demonstrated higher rates of distant disease recurrence, and impaired survival, even after adjusting for disease stage. CONCLUSION: An R0-resection after neoadjuvant therapy led to comparative local control of disease; however, patients with multivisceral resection had more distant recurrence and impaired survival, compared to those did not undergo a multivisceral resection. Further research should determine optimal postoperative care. PMID- 29205365 TI - Taking intestinal anion secretion to TASK: a role for K2P channels in cyclic AMP regulated anion secretion. PMID- 29205366 TI - Diagnostic staging laparoscopy in gastric cancer treatment: A cost-effectiveness analysis. AB - BACKGROUND AND OBJECTIVES: Accurate preoperative staging helps avert morbidity, mortality, and cost associated with non-therapeutic laparotomy in gastric cancer (GC) patients. Diagnostic staging laparoscopy (DSL) can detect metastases with high sensitivity, but its cost-effectiveness has not been previously studied. We developed a decision analysis model to assess the cost-effectiveness of preoperative DSL in GC workup. METHODS: Analysis was based on a hypothetical cohort of GC patients in the U.S. for whom initial imaging shows no metastases. The cost-effectiveness of DSL was measured as cost per quality-adjusted life-year (QALY) gained. Drivers of cost-effectiveness were assessed in sensitivity analysis. RESULTS: Preoperative DSL required an investment of $107 012 per QALY. In sensitivity analysis, DSL became cost-effective at a threshold of $100 000/QALY when the probability of occult metastases exceeded 31.5% or when test sensitivity for metastases exceeded 86.3%. The likelihood of cost-effectiveness increased from 46% to 93% when both parameters were set at maximum reported values. CONCLUSIONS: The cost-effectiveness of DSL for GC patients is highly dependent on patient and test characteristics, and is more likely when DSL is used selectively where procedure yield is high, such as for locally advanced disease or in detecting peritoneal and superficial versus deep liver lesions. PMID- 29205368 TI - Cyclic AMP-dependent protein kinase catalytic subunit A (PRKACA): the expected, the unexpected, and what might be next. AB - Protein kinase A (PKA) or cyclic-AMP (cAMP)-dependent kinase was among the first serine-threonine kinases to be molecularly and functionally characterized. For years, it was investigated as the enzyme that mediates cAMP functions in almost all cell systems and organisms studied to date. Despite PKA's critical role in signaling and the long history of investigations of cAMP in oncogenesis (dating back to the 1970s), it was not until relatively recently that PKA defects were found to be directly involved in tumor predisposition. First, PKA's main regulatory subunit, PRKAR1A, was found to be mutated in Carney complex, a genetic syndrome that predisposes to heart tumors (cardiac myxomas) and a variety of other lesions of the endocrine system, including the adrenal cortex, and several cancers, including liver carcinoma. Then, PKA's main catalytic subunit, PRKACA, was found to be mutated in sporadic adrenal tumors and fibrolamellar liver carcinoma. Not surprisingly, therefore, a new research study published in The Journal of Pathology showed PRKACA mutations in sporadic cardiac myxomas. The real question is what other pathologies will be found to be due to PRKACA (or other PKA subunit) defects. The possibilities abound and may show the way for a totally new class of medications that target cAMP signaling to be useful in fighting the corresponding tumors. Published 2017. This article is a U.S. Government work and is in the public domain in the USA. PMID- 29205367 TI - Statistical analysis of wheat under different seed treatments: development of a discriminative model based on physicochemical and rheological properties. AB - BACKGROUND: Quality control in the wheat industry comprises numerous analyses that are time-consuming and demand numerous procedures and specific apparatus. The application of multivariate calibration techniques contributes to the interpretation of the data generated during these analyses. The present study aimed to correlate a representative number of wheat properties with the treatment applied to the wheat seeds using multivariate calibration techniques. RESULTS: In the present study, a wheat pilot planting experiment applying different fungicides combination as a seed treatment (carbendazim, carbendazim + thiram, carboxin + thiram, and triadimenol) was conducted. The resulting wheat grains were subjected to 33 analyses routinely performed in industry. A principal components analysis indicated all analyses were relevant for the different seed treatment discrimination. Afterwards, a k-nearest neighbors discriminative model was developed and was able to classify the seed treatments. In accordance with this model, the most relevant variables for the seed treatment discrimination were the rheological properties of the dough. CONCLUSION: It was possible to develop a discriminative model that directly correlated the wheat seed treatment with the properties of the resulting grains and flours. (c) 2017 Society of Chemical Industry. PMID- 29205370 TI - Abstracts of the Royal Pharmaceutical Society (RPS) Winter Summit 2017, London, UK, 5 December 2017. PMID- 29205369 TI - Regulatory B cells induced by ultraviolet B through toll-like receptor 4 signalling contribute to the suppression of contact hypersensitivity responses in mice. AB - BACKGROUND: Ultraviolet (UV) B irradiation is known to suppress contact hypersensitivity (CHS) responses in mouse models by suppressing immune responses. However, the cellular mechanisms responsible for UVB-induced systemic suppression remain unclear. Regulatory B cells have been reported to play an inhibitory role during CHS. It is presently unknown whether regulatory B cells contribute to the effect of UVB phototherapy. OBJECTIVE: To investigate the inductive effect of UVB on regulatory B cells and the underlying mechanisms by using a CHS mouse model. METHODS: CHS was induced with oxazolone, and evaluated by histopathology, flow cytometry, and quantitative real-time polymerase chain reaction. RESULT: We found that UVB irradiation induced regulatory B cell expansion and ameliorated CHS. UVB induced regulatory B cells contribute to systemic immunosuppression by inhibiting the proliferation of T cells. Moreover, we determined that toll-like receptor (TLR) 4, the expression of which was upregulated in B cells after UVB exposure, played an essential role in the induction of regulatory B cells. CONCLUSION: Our data identified regulatory B cells as regulators of UVB-induced immunosuppression in CHS, and suggest the importance of the UVB-TLR4 axis in the generation of regulatory B cells. PMID- 29205372 TI - The falsifiability of Swets' ROC may bring consensus to search performance assessment. PMID- 29205371 TI - Characterization of the canine rostral ventricular-subventricular zone: Morphological, immunohistochemical, ultrastructural, and neurosphere assay studies. AB - The mammalian ventricular-subventricular zone (V-SVZ) presents the highest neurogenic potential in the brain of the adult individual. In rodents, it is mainly composed of chains of neuroblasts. In humans, it is organized in layers where neuroblasts do not form chains. The aim of this study is to describe the cytoarchitecture of canine V-SVZ (cV-SVZ), to assess its neurogenic potential, and to compare our results with those previously described in other species. We have studied by histology, immunohistochemistry (IHC), electron microscopy and neurosphere assay the morphology, cytoarchitecture and neurogenic potential of cV SVZ. Age groups of animals were performed. Histological and ultrastructural studies indicated that the cV-SVZ is organized in layers as in humans, but including migratory chains as in rodents. Neural progenitors were organized in niches in the subependymal area and a decline in their number was observed with age. Adult-young dogs contained migratory cells capable to expand and differentiate in vitro according with previous results obtained in rodents, primates, humans, pigs, and dogs. Some adult animals presented perivascular niches outside the V-SVZ. Our observations evidence a great similarity between canine and human V-SVZ indicating that the dog may be better representative of neurogenic events in humans, compared with rodents. Accordingly with our results, we conclude that dogs are a valuable animal model of adult neurogenesis in comparative and preclinical studies. PMID- 29205373 TI - Coexistence via coevolution driven by reduced allelochemical effects and increased tolerance to competition between invasive and native plants. AB - Coevolution can promote long-term coexistence of two competing species if selection acts to reduce the fitness inequality between competitors and/or strengthen negative frequency dependence within each population. However, clear coevolution between plant competitors has been rarely documented. Plant invasions offer opportunities to capture the process of coevolution. Here we investigated how the developing relationship between an invasive forb, Alliaria petiolata, and a native competitor, Pilea pumila, may affect their long-term coexistence, by testing the competitive effects of populations of varying lengths of co occurrence on each other across a chronosequence of invasion history. Alliaria petiolata and P. pumila tended to develop greater tolerance to competition over invasion history. Their coexistence was promoted more by increases in stabilizing relative to equalizing processes. These changes likely stem in part from reductions in allelopathic traits in the invader and evolution of tolerance in the native. These results suggested that some native species can evolve tolerance against the competitive effects of strong invaders, which likely promoted their persistence in invaded communities. However, the potential for coevolutionary rescue of competing populations is likely to vary across native species, and evolutionary processes should not be expected to compensate for the ecological consequences of exotic invasions. PMID- 29205374 TI - Ethyl chloride spray for musculoskeletal ultrasound-guided injections: An alternative to subcutaneous injection of local anesthetic solution. AB - Ultrasound-guided injections such as steroid injections are common procedures involving the musculoskeletal system. They are usually performed after a subcutaneous injection of local anesthetic (LA), which can be painful. In 126 consecutive patients, local anesthesia was performed using ethyl chloride spray prior to a therapeutic ultrasound-guided injection in joints, tendons, or bursae. Ninety-nine (78.5%) patients found the use of ethyl chloride spray helpful. The use of ethyl chloride spray is an effective, patient-friendly alternative to the standard injection of local aesthetic for ultrasound-guided therapeutic musculoskeletal injections with the advantage of a lower cost of $0.18 per procedure. PMID- 29205375 TI - Comparison of direct in-house cerebrospinal fluid cytology with commercial pathology results in dogs. AB - OBJECTIVES: To investigate the correspondence between in-house direct cytological assessment of cerebrospinal fluid and results from a commercial veterinary pathology laboratory. METHODS: Prospective inclusion of samples from dogs that were presented for investigation of suspected neurological disease and had cerebrospinal fluid samples submitted to a commercial pathology laboratory for analysis. A board-certified veterinary pathologist assessed all cerebrospinal fluid samples, and a line smear was assessed in-house by two observers. Nucleated cell count, red blood cell count and differential cell counts were recorded and compared. RESULTS: In-clinic and commercial pathology nucleated cell counts and red blood cell counts were strongly correlated. In-house line smear results were compared with the gold standard of a defined dichotomous rating of 'increased nucleated cell count' provided by the external pathology service. Sensitivity was 93% and specificity 80% for samples with at least two cells per linear field. CLINICAL APPLICATION: Although not a replacement for the assessment of cerebrospinal fluid samples by specialist veterinary pathologists, this method can provide rapid and clinically meaningful information before externally processed sample results are available. PMID- 29205376 TI - Ensemble gene function prediction database reveals genes important for complex I formation in Arabidopsis thaliana. AB - Recent advances in gene function prediction rely on ensemble approaches that integrate results from multiple inference methods to produce superior predictions. Yet, these developments remain largely unexplored in plants. We have explored and compared two methods to integrate 10 gene co-function networks for Arabidopsis thaliana and demonstrate how the integration of these networks produces more accurate gene function predictions for a larger fraction of genes with unknown function. These predictions were used to identify genes involved in mitochondrial complex I formation, and for five of them, we confirmed the predictions experimentally. The ensemble predictions are provided as a user friendly online database, EnsembleNet. The methods presented here demonstrate that ensemble gene function prediction is a powerful method to boost prediction performance, whereas the EnsembleNet database provides a cutting-edge community tool to guide experimentalists. PMID- 29205377 TI - Adenosine A2A receptors are required for glutamate mGluR5- and dopamine D1 receptor-evoked ERK1/2 phosphorylation in rat hippocampus: involvement of NMDA receptor. AB - Interaction between mGluR5 and NMDA receptors (NMDAR) is vital for synaptic plasticity and cognition. We recently demonstrated that stimulation of mGluR5 enhances NMDAR responses in hippocampus by phosphorylating NR2B(Tyr1472) subunit, and this reaction was enabled by adenosine A2A receptors (A2A R) (J Neurochem, 135, 2015, 714). In this study, by using in vitro phosphorylation and western blot analysis in hippocampal slices of male Wistar rats, we show that mGluR5 stimulation or mGluR5/NMDARs co-stimulation synergistically activate ERK1/2 signaling leading to c-Fos expression. Interestingly, both reactions are under the permissive control of endogenous adenosine acting through A2A Rs. Moreover, mGluR5-mediated ERK1/2 phosphorylation depends on NMDAR, which however exhibits a metabotropic way of function, since no ion influx through its ion channel is required. Furthermore, our results demonstrate that mGluR5 and mGluR5/NMDAR evoked ERK1/2 activation correlates well with the mGluR5/NMDAR-evoked NR2B(Tyr1472) phosphorylation, since both phenomena coincide temporally, are Src dependent, and are both enabled by A2A Rs. This indicates a functional involvement of NR2B(Tyr1472) phosphorylation in the ERK1/2 activation. Our biochemical results are supported by electrophysiological data showing that in CA1 region of hippocampus, the theta burst stimulation (TBS)-induced long-term potentiation coincides temporally with an increase in ERK1/2 activation and both phenomena are dependent on the tripartite A2A , mGlu5, and NMDARs. Furthermore, we show that the dopamine D1 receptors evoked ERK1/2 activation as well as the NR2B(Tyr1472) phosphorylation are also regulated by endogenous adenosine and A2A Rs. In conclusion, our results highlight the A2A Rs as a crucial regulator not only for NMDAR responses, but also for regulating ERK1/2 signaling and its downstream pathways, leading to gene expression, synaptic plasticity, and memory consolidation. PMID- 29205379 TI - In vivo measurement of swallowing by monitoring thyroid cartilage movement in healthy subjects using thickened liquid samples and its comparison with sensory evaluation. AB - : This research aimed to investigate the relationship between in vivo measurement of swallowing and sensory evaluation using thickened liquids as model foods. Healthy subjects (8 male and average 29.6-year old) participated in both tests, in which the subjects were asked to swallow the whole amount of sample (10 ml) at one time. In vivo measurement monitored thyroid cartilage movement during swallowing using a bendable pressure sensor synchronously with suprahyoid electromyography, whereas sensory evaluation measured perceived cohesiveness and adhesiveness on a visual analogue scale. Two variables from the pressure sensor analysis; activity of the thyroid cartilage and the maximum displacement of the thyroid cartilage were correlated negatively (p < .01) to perceived cohesiveness with high correlation coefficient (|r|> .9). Advantages of in vivo measurement over conventional shear rheology in assessing texture attributes perceived during swallowing were identified. PRACTICAL APPLICATIONS: This research provides food manufactures with knowledge on a novel objective method for texture measurement of fluid foods and beverages based on human physiology during swallowing. Variable from this method can work as a measure for texture design of food products to meet consumers' preference, particularly foods for dysphagia patients whose demand is increasing in this aged society although subjects of study should be expanded to these people in the future. PMID- 29205378 TI - Cardiac-gated parametric images from 82 Rb PET from dynamic frames and direct 4D reconstruction. AB - PURPOSE: Cardiac perfusion PET data can be reconstructed as a dynamic sequence and kinetic modeling performed to quantify myocardial blood flow, or reconstructed as static gated images to quantify function. Parametric images from dynamic PET are conventionally not gated, to allow use of all events with lower noise. An alternative method for dynamic PET is to incorporate the kinetic model into the reconstruction algorithm itself, bypassing the generation of a time series of emission images and directly producing parametric images. So-called "direct reconstruction" can produce parametric images with lower noise than the conventional method because the noise distribution is more easily modeled in projection space than in image space. In this work, we develop direct reconstruction of cardiac-gated parametric images for 82 Rb PET with an extension of the Parametric Motion compensation OSEM List mode Algorithm for Resolution recovery reconstruction for the one tissue model (PMOLAR-1T). METHODS: PMOLAR-1T was extended to accommodate model terms to account for spillover from the left and right ventricles into the myocardium. The algorithm was evaluated on a 4D simulated 82 Rb dataset, including a perfusion defect, as well as a human 82 Rb list mode acquisition. The simulated list mode was subsampled into replicates, each with counts comparable to one gate of a gated acquisition. Parametric images were produced by the indirect (separate reconstructions and modeling) and direct methods for each of eight low-count and eight normal-count replicates of the simulated data, and each of eight cardiac gates for the human data. For the direct method, two initialization schemes were tested: uniform initialization, and initialization with the filtered iteration 1 result of the indirect method. For the human dataset, event-by-event respiratory motion compensation was included. The indirect and direct methods were compared for the simulated dataset in terms of bias and coefficient of variation as a function of iteration. RESULTS: Convergence of direct reconstruction was slow with uniform initialization; lower bias was achieved in fewer iterations by initializing with the filtered indirect iteration 1 images. For most parameters and regions evaluated, the direct method achieved the same or lower absolute bias at matched iteration as the indirect method, with 23%-65% lower noise. Additionally, the direct method gave better contrast between the perfusion defect and surrounding normal tissue than the indirect method. Gated parametric images from the human dataset had comparable relative performance of indirect and direct, in terms of mean parameter values per iteration. Changes in myocardial wall thickness and blood pool size across gates were readily visible in the gated parametric images, with higher contrast between myocardium and left ventricle blood pool in parametric images than gated SUV images. CONCLUSIONS: Direct reconstruction can produce parametric images with less noise than the indirect method, opening the potential utility of gated parametric imaging for perfusion PET. PMID- 29205380 TI - Effect of serine protease inhibitor from squid ovary on gel properties of surimi from Indian mackerel. AB - : Effects of serine protease inhibitor from squid ovary (SOSPI) and egg white powder (EWP) on gel properties of surimi from Indian mackerel (Rastrelliger kanagurta) were investigated. Breaking force of gel increased when SOSPI levels increased up to 2%. However, EWP showed higher efficiency in increasing breaking force of resulting surimi gel. Nevertheless, SOSPI (0.5-3%) had no effect on deformation. Trichloroacetic acid-soluble peptide content in surimi gel decreased when the levels of SOSPI and EWP increased (p < .05). This was coincidental with more retained myosin heavy chain. Water holding capacity was increased with the addition of these protein additives, but resulted in lower whiteness. Microstructure study revealed that surimi gel added with 2% EWP was denser and had higher connectivity as compared to that containing 2% SOSPI. The SOSPI had no negative effect on sensory attributes and could serve as the alternative protein additive to improve gel strength of surimi. PRACTICAL APPLICATIONS: Surimi from dark-fleshed fish is prone to degradation of myofibrillar proteins caused by the endogenous proteases, thereby lowering textural property. To tackle the problem, protease inhibitors (egg white, porcine plasma protein, and bovine plasma protein) have been used by the surimi industries. Due to drawbacks of some particular inhibitors (religious constraints, off-white color, off odor, etc.), the novel additives are still in demand. Ovary from squid processing industry, commonly discarded as the waste, can be an alternative natural protease inhibitor, which can improve the gel properties of surimi, especially produced from dark-fleshed fish. PMID- 29205381 TI - The extrusion test and sensory perception revisited: Some comments on generality and the effect of measurement temperature. AB - : Relations between sensory perception, extrusion and fracture in shear, extension and compression are examined. Gelatin-based gels are perceived as less firm and less hard than expected based on their mechanical properties compared to polysaccharide gels that have the same mechanical properties at room temperature but melt well above body temperature, underlying the importance of the measurement temperature for gels that melt during mastication. Correlations between parameters from extrusion and compression, extension and shear are verified using mixed polysaccharide gels. PRACTICAL APPLICATIONS: We previously reported a high correlation between several sensory attributes and parameters from an extrusion test. The extrusion test showed the most robust correlation, and could be used to assess samples at both extremes of the texture range with respect to elasticity, for example, both samples that could not be extended as their very low elasticity led to their fracture during handling, as well as samples that could not be fractured in compression. Here, we reexamine the validity of the relations reported. We demonstrate the generality of the relations between large deformation tests and extrusion, but the findings underscore the need to take into account the measurement temperature for samples that melt during mastication when correlating instrumental parameters with sensory perception. PMID- 29205382 TI - The relationship between transpiration and nutrient uptake in wheat changes under elevated atmospheric CO2. AB - The impact of elevated [CO2 ] (e[CO2 ]) on crops often includes a decrease in their nutrient concentrations where reduced transpiration-driven mass flow of nutrients has been suggested to play a role. We used two independent approaches, a free-air CO2 enrichment (FACE) experiment in the South Eastern wheat belt of Australia and a simulation study employing the agricultural production systems simulator (APSIM), to show that transpiration (mm) and nutrient uptake (g m-2 ) of nitrogen (N), potassium (K), sulfur (S), calcium (Ca), magnesium (Mg) and manganese (Mn) in wheat are correlated under e[CO2 ], but that nutrient uptake per unit water transpired is higher under e[CO2 ] than under ambient [CO2 ] (a[CO2 ]). This result suggests that transpiration-driven mass flow of nutrients contributes to decreases in nutrient concentrations under e[CO2 ], but cannot solely explain the overall decline. PMID- 29205383 TI - Elucidating the molecular mechanisms mediating plant salt-stress responses. AB - Contents Summary 523 I. Introduction 523 II. Sensing salt stress 524 III. Ion homeostasis regulation 524 IV. Metabolite and cell activity responses to salt stress 527 V. Conclusions and perspectives 532 Acknowledgements 533 References 533 SUMMARY: Excess soluble salts in soil (saline soils) are harmful to most plants. Salt imposes osmotic, ionic, and secondary stresses on plants. Over the past two decades, many determinants of salt tolerance and their regulatory mechanisms have been identified and characterized using molecular genetics and genomics approaches. This review describes recent progress in deciphering the mechanisms controlling ion homeostasis, cell activity responses, and epigenetic regulation in plants under salt stress. Finally, we highlight research areas that require further research to reveal new determinants of salt tolerance in plants. PMID- 29205385 TI - Simulator-based occupational therapy driving intervention can reduce driving errors on a simulator-based driving assessment in combat veterans with polytrauma. PMID- 29205386 TI - Editorial: Sylvia Docker Lecture Award Silver Jubilee. PMID- 29205387 TI - Partnership, inclusion and innovation in occupational therapy: Essential or optional ingredients to flourish in a changing environment? AB - BACKGROUND/AIM: Historically occupational therapy has evidenced a tenacity to adjust and adapt to societal changes. Currently in Australia we are in the midst of significant change in health, disability and aged care service delivery alongside increasing numbers of new graduates seeking employment. Both of these changes create challenges and opportunities for the profession. How the profession adjusts to new service delivery models and supports new graduates in this changing work environment will influence our future. METHODS: Using examples from practice the paper explores ways in which partnership, inclusion and innovation can be effective in a changing environment. RESULTS: Doing effective partnership takes time, energy and a shared commitment of all involved and often requires negotiations and compromise. Inclusion can be tricky and requires vigilance and ongoing reflection on actions to determine if the outcomes are what was intended. Innovation can play two roles; it can be used to conserve current practice in new ways or it can offer agency to disrupt and redefine practice. CONCLUSION: The way in which the profession chooses to enact partnerships and inclusion will play a vital role in shaping the future. Similarly the space and support made for conservative or disruptive innovation will determine how we choose to define ourselves going forward. Moreover, these choices and actions will govern how effective we are in navigating the changing environment and supporting new graduates transitioning into the profession. PMID- 29205388 TI - Intelligent Assistive Technology for people living with dementia is a rapidly growing and changing area requiring clinical consideration. PMID- 29205389 TI - Early intervention: The challenge to find the best approach for infant and family. PMID- 29205390 TI - Sustaining global agriculture through rapid detection and deployment of genetic resistance to deadly crop diseases. AB - Contents Summary 45 I. Introduction 45 II. Targeted chromosome-based cloning via long-range assembly (TACCA) 46 III. Resistance gene cloning through mutational mapping (MutMap) 47 IV. Cloning through mutant chromosome sequencing (MutChromSeq) 47 V. Rapid cloning through resistance gene enrichment and sequencing (RenSeq) 49 VI. Cloning resistance genes through transcriptome profiling (RNAseq) 49 VII. Resistance gene deployment strategies 49 VIII. Conclusions 50 Acknowledgements 50 References 50 SUMMARY: Genetically encoded resistance is a major component of crop disease management. Historically, gene loci conferring resistance to pathogens have been identified through classical genetic methods. In recent years, accelerated gene cloning strategies have become available through advances in sequencing, gene capture and strategies for reducing genome complexity. Here, I describe these approaches with key emphasis on the isolation of resistance genes to the cereal crop diseases that are an ongoing threat to global food security. Rapid gene isolation enables their efficient deployment through marker-assisted selection and transgenic technology. Together with innovations in genome editing and progress in pathogen virulence studies, this creates further opportunities to engineer long-lasting resistance. These approaches will speed progress towards a future of farming using fewer pesticides. PMID- 29205391 TI - Association of palatine tonsil size and obstructive sleep apnea in adults. AB - OBJECTIVE: The relationship between palatine tonsil (PT) size and obstructive sleep apnea (OSA) has not been well established in adults. The purpose of this study was to test the association between PT grade, PT volume, and OSA severity in U.S. adult patients. STUDY DESIGN: Cross-sectional study of all patients (age >= 18 years) who underwent pharyngeal surgery for OSA that included palatine tonsillectomy with tonsil volume measurement from January 2011 to June 2016. METHODS: Medical records were reviewed for PT grade (measured on clinical exam by the Brodsky tonsil grading scale), PT volume (measured intraoperatively by water displacement), and apnea-hypopnea index (AHI). Associations were evaluated with multivariate linear regression adjusting for age, sex, body mass index (BMI), smoking status, lingual tonsil volume (AHI models only), and multilevel surgery aside from lingual tonsillectomy (PT volume vs. AHI model only). RESULTS: The cohort (N = 83) was middle-aged (mean age 43 +/- 12 years), predominantly male (61%), obese (mean BMI 33 +/- 7 kg/m2 ), and had severe OSA (mean AHI 32 +/- 28). After adjustment for confounders, PT grade was strongly associated with PT volume (beta = 1.8, 95% confidence interval [CI]: [1.0, 2.6], P < 0.001) and with AHI (beta = 13.5, 95% CI: [3.5, 23.6], P = 0.01); PT volume was not associated with AHI (beta = -0.2, 95% CI: [-2.2, 1.9], P = 0.89). CONCLUSION: In contrast to past studies, subjective PT grade (vs. objective PT volume) was more strongly associated with AHI. These data suggest the space that the tonsils occupy within the oropharyngeal airway, instead of their actual measured volume, may be more predictive of OSA severity in a cohort of U.S. adult patients. LEVEL OF EVIDENCE: 2c. Laryngoscope, 128:1002-1006, 2018. PMID- 29205392 TI - Toward quantitative fast diffusion kurtosis imaging with b-values chosen in consideration of signal-to-noise ratio and model fidelity. AB - PURPOSE: Diffusion kurtosis (DK) imaging is a variant of conventional diffusion magnetic resonance (MR) imaging that allows assessment of non-Gaussian diffusion. Fast DK imaging expedites the procedure by decreasing both scan time (acquiring the minimally required number of b-values) and computation time (obviating least square curve fitting). This study aimed to investigate the applicability of fast DK imaging for both cerebral gray matter and white matter as a quantitative method. METHODS: Seventeen healthy volunteers were recruited and each provided written informed consent before participation. On a 3-Tesla clinical MR system, diffusion imaging was performed with 12 b-values ranging from 0 to 4000 s/mm2 . Diffusion encoding was along three orthogonal directions (slice selection, phase encoding, and frequency encoding) in separate series. Candidate b-values were chosen by first determining the maximum b-value (bmax ) in the context of signal to-noise ratio and then assessing the model fidelity for all b-value combinations within bmax . Diffusion coefficient (D) and diffusion kurtosis coefficient (K) were derived from these candidates and assessed for their dependence on b-value combination. RESULTS: Our data suggested bmax to be 2200 s/mm2 as a trade-off between the percentage (~80%) of voxels statistically detectable against background and the sensitivity to non-Gaussian diffusion in both gray matter and white matter. The measurement dependence on b-value was observed predominantly in areas with a considerable amount of cerebrospinal fluid. In most gray matter and white matter, b-value combinations do not cause statistical difference in the calculated D and K. CONCLUSIONS: For fast DK imaging to be quantitatively applicable in both gray matter and white matter, bmax should be chosen to ensure adequate signal-to-noise ratio in the majority of gray/white matter and the two nonzero b-values should be chosen in consideration of model fidelity to mitigate the dependence of derived indices on b-values. PMID- 29205393 TI - EAACI Guidelines on allergen immunotherapy: IgE-mediated food allergy. AB - Food allergy can result in considerable morbidity, impairment of quality of life, and healthcare expenditure. There is therefore interest in novel strategies for its treatment, particularly food allergen immunotherapy (FA-AIT) through the oral (OIT), sublingual (SLIT), or epicutaneous (EPIT) routes. This Guideline, prepared by the European Academy of Allergy and Clinical Immunology (EAACI) Task Force on Allergen Immunotherapy for IgE-mediated Food Allergy, aims to provide evidence based recommendations for active treatment of IgE-mediated food allergy with FA AIT. Immunotherapy relies on the delivery of gradually increasing doses of specific allergen to increase the threshold of reaction while on therapy (also known as desensitization) and ultimately to achieve post-discontinuation effectiveness (also known as tolerance or sustained unresponsiveness). Oral FA AIT has most frequently been assessed: here, the allergen is either immediately swallowed (OIT) or held under the tongue for a period of time (SLIT). Overall, trials have found substantial benefit for patients undergoing either OIT or SLIT with respect to efficacy during treatment, particularly for cow's milk, hen's egg, and peanut allergies. A benefit post-discontinuation is also suggested, but not confirmed. Adverse events during FA-AIT have been frequently reported, but few subjects discontinue FA-AIT as a result of these. Taking into account the current evidence, FA-AIT should only be performed in research centers or in clinical centers with an extensive experience in FA-AIT. Patients and their families should be provided with information about the use of FA-AIT for IgE mediated food allergy to allow them to make an informed decision about the therapy. PMID- 29205394 TI - Vessel sealer and divider instrument temperature during laparoscopic ovariectomy in horses. AB - OBJECTIVE: To determine the temperature of a vessel sealer and divider device during unilateral paralumbar laparoscopic ovariectomy in standing, sedated mares. STUDY DESIGN: Prospective study. ANIMALS: Fifteen healthy research mares. METHODS: Healthy mares with normal ovarian palpation and ultrasonographic appearance were enrolled. Horses were restrained in standing stocks and sedated. A right or left paralumbar ovariectomy was performed with a laparoscopic portal and 2 instrument portals. Ovaries were excised with traumatic forceps and a blunt tip vessel sealer and divider. Temperatures of the vessel sealer and divider were recorded with a thermocouple device adhered to the tip of the instrument. Variables were reported as median and interquartile range (IQR). RESULTS: Surgical time was 30 minutes (IQR, 25-32) including use of the vessel sealer and the divider for 4.1 minutes (IQR, 3.2-5.8). The tip of the instrument reached temperatures of 77 degrees C (IQR, 72-85) during activation and 64 degrees C (IQR, 61-67) at end cycle. The median increase in end-cycle instrument tip temperature per activation cycle was 2 degrees C (IQR, -1-6). All mares returned to their intended use. CONCLUSION: Despite the instrument temperatures observed during unilateral laparoscopic ovariectomy, surgical complications were minimal. The clinical relevance of the increase in instrument tip temperature of the vessel sealer and divider is presently unclear, but surgeons should use the instrument with caution, especially in close proximity to viscera. The increase in temperature observed at the tip of the vessel sealer and divider during unilateral ovariectomy could be associated with morbidity. The clinical relevance of instrument tip heating during other procedures, such as adhesiolysis and intestinal resection, is unknown and should be evaluated. PMID- 29205395 TI - Contribution of skin and stone to texture measurements of spherical model fruits. AB - : Fruits are composite materials often surrounded by a skin and sometimes containing rigid stones (pits). To understand the contribution of skin and stone to the overall texture of the fruit, model fruits were constructed from molded gelatin spheres, with rigid inclusions and a skin layer. Cross polarized light revealed the stress distribution during puncture testing and the mechanical measures of firmness, Poisson's ratio and breaking force were determined. Skin significantly raised the breaking force. Spherical stones raised the firmness effectively reducing the deformable material in the sphere, resulting in inflated strains. Disc shaped stones compared with spherical ones, with the narrow edge normal to the force acted like an internal blade and significantly lowered the breaking force. Neither skin nor stone had any significant impact on Poisson's ratio. Three examples of real fruit (raspberries, grapes, and cherries) were tested to contextualize the findings. PRACTICAL APPLICATIONS: Consumers gently squeeze fruit to gauge ripeness. Unwittingly, what we perceive while squeezing fruit is not wholly dependent on the texture of the internal flesh. In this work, we have attempted to model how the firmness and breaking force are influenced by the presence of a skin and stones of various size and shape. This has implications in both sensory and instrumental fruit testing. PMID- 29205396 TI - Imaging-based predictors of permanent pacemaker implantation after transcatheter aortic valve replacement. AB - BACKGROUND: Cardiac conduction abnormalities requiring permanent pacemaker (PPM) implantation are major complications of transcatheter aortic valve replacement (TAVR). We aimed to investigate whether the relationship between prosthetic valve size and cardiac-gated computed tomography (CT)-based aortic root complex measurements can aid in recognizing patients at risk for PPM implantation post TAVR. METHODS: We included 83 of 114 consecutive patients who underwent TAVR with the Edwards Sapien valve (Edwards Lifesciences, Irving, CA, USA) at our institution. We excluded patients with preexisting PPM, patients who required conversion to an open surgical procedure, and patients without CT data. We assessed the significance of various potential predictors of PPM placement post TAVR. RESULTS: Following TAVR, eight patients (9.6%) required PPM. Prosthetic valve to sinus of Valsalva (SOV) index was significantly higher in those patients requiring a PPM post-TAVR (84.1 +/- 9.3 vs 76.8 +/- 7.1, P = 0.009). CONCLUSIONS: The prosthetic valve size to diameter of SOV index was identified as a novel predictor of PPM implantation after TAVR. PMID- 29205398 TI - Nerve ultrasound in polyneuropathies. AB - Ultrasound can be used to visualize pathology in the peripheral nerves of patients with polyneuropathy. Nerve enlargement is the most frequent pathology, but other abnormalities, including abnormal nerve echogenicity and vascularity, are also encountered. This monograph presents an overview of the role of nerve ultrasound in the evaluation and management of both inherited and acquired polyneuropathies. A description of the sonographic techniques and common abnormalities is provided, followed by a presentation of typical findings in different neuropathies. Scoring systems for characterizing the presence and pattern of nerve abnormalities as they relate to different polyneuropathies are presented. Muscle Nerve 57: 716-728, 2018. PMID- 29205399 TI - Species selection under long-term experimental warming and drought explained by climatic distributions. AB - Global warming and reduced precipitation may trigger large-scale species losses and vegetation shifts in ecosystems around the world. However, currently lacking are practical ways to quantify the sensitivity of species and community composition to these often-confounded climatic forces. Here we conducted long term (16 yr) nocturnal-warming (+0.6 degrees C) and reduced precipitation (-20% soil moisture) experiments in a Mediterranean shrubland. Climatic niche groups (CNGs) - species ranked or classified by similar temperature or precipitation distributions - informatively described community responses under experimental manipulations. Under warming, CNGs revealed that only those species distributed in cooler regions decreased. Correspondingly, under reduced precipitation, a U shaped treatment effect observed in the total community was the result of an abrupt decrease in wet-distributed species, followed by a delayed increase in dry distributed species. Notably, while partially correlated, CNG explanations of community response were stronger for their respective climate parameter, suggesting some species possess specific adaptations to either warming or drought that may lead to independent selection to the two climatic variables. Our findings indicate that when climatic distributions are combined with experiments, the resulting incorporation of local plant evolutionary strategies and their changing dynamics over time leads to predictable and informative shifts in community structure under independent climate change scenarios. PMID- 29205397 TI - Effects of Long-Term Alcohol Drinking on the Dopamine D2 Receptor: Gene Expression and Heteroreceptor Complexes in the Striatum in Rats. AB - BACKGROUND: Reduced dopamine D2 receptor (D2R) ligand binding has repeatedly been demonstrated in the striatum of humans with alcohol use disorder (AUD). The attenuated D2R binding has been suggested to reflect a reduced D2R density, which in turn has been proposed to drive craving and relapse. However, results from rodent studies addressing the effects of alcohol drinking on D2R density have been inconsistent. METHODS: A validated alcohol drinking model (intermittent access to 20% alcohol) in Wistar rats was used to study the effects of voluntary alcohol drinking (at least 12 weeks) on the D2R in the striatum compared to age matched alcohol-naive control rats. Reverse transcriptase quantitative PCR was used to quantify isoform-specific Drd2 gene expression levels. Using bisulfite pyrosequencing, DNA methylation levels of a regulatory region of the Drd2 gene were determined. In situ proximity ligation assay was used to measure densities of D2R receptor complexes: D2R-D2R, adenosine A2A receptor (A2AR)-D2R, and sigma1 receptor (sigma1R)-D2R. RESULTS: Long-term voluntary alcohol drinking significantly reduced mRNA levels of the long D2R isoform in the nucleus accumbens (NAc) but did not alter CpG methylation levels in the analyzed sequence of the Drd2 gene. Alcohol drinking also reduced the striatal density of D2R-D2R homoreceptor complexes, increased the density of A2AR-D2R heteroreceptor complexes in the NAc shell and the dorsal striatum, and decreased the density of sigma1R-D2R heteroreceptor complexes in the dorsal striatum. CONCLUSIONS: The present results on long-term alcohol drinking might reflect reduced D2R levels through reductions in D2R-D2R homoreceptor complexes and gene expression. Furthermore, based on antagonistic interactions between A2AR and D2R, an increased density of A2AR-D2R heteroreceptor complexes might indicate a reduced affinity and signaling of the D2R population within the complex. Hence, both reduced striatal D2R levels and reduced D2R protomer affinity within the striatal A2AR-D2R complex might underlie reduced D2R radioligand binding in humans with AUD. This supports the hypothesis of a hypodopaminergic system in AUD and suggests the A2AR-D2R heteroreceptor complex as a potential novel treatment target. PMID- 29205400 TI - Severe asymmetric muscle weakness revealing glycogenin-1 polyglucosan body myopathy. PMID- 29205401 TI - How many proteins can be identified in a 2DE gel spot within an analysis of a complex human cancer tissue proteome? AB - Two-dimensional gel electrophoresis (2DE) in proteomics is traditionally assumed to contain only one or two proteins in each 2DE spot. However, 2DE resolution is being complemented by the rapid development of high sensitivity mass spectrometers. Here we compared MALDI-MS, LC-Q-TOF MS and LC-Orbitrap Velos MS for the identification of proteins within one spot. With LC-Orbitrap Velos MS each Coomassie Blue-stained 2DE spot contained an average of at least 42 and 63 proteins/spot in an analysis of a human glioblastoma proteome and a human pituitary adenoma proteome, respectively, if a single gel spot was analyzed. If a pool of three matched gel spots was analyzed this number further increased up to an average of 230 and 118 proteins/spot for glioblastoma and pituitary adenoma proteome, respectively. Multiple proteins per spot confirm the necessity of isotopic labeling in large-scale quantification of different protein species in a proteome. Furthermore, a protein abundance analysis revealed that most of the identified proteins in each analyzed 2DE spot were low-abundance proteins. Many proteins were present in several of the analyzed spots showing the ability of 2DE MS to separate at the protein species level. Therefore, 2DE coupled with high sensitivity LC-MS has a clearly higher sensitivity as expected until now to detect, identify and quantify low abundance proteins in a complex human proteome with an estimated resolution of about 500 000 protein species. This clearly exceeds the resolution power of bottom-up LC-MS investigations. PMID- 29205402 TI - Detection and molecular characterization of betanodaviruses retrieved from bivalve molluscs. AB - Betanodaviruses are small ssRNA viruses responsible for viral encephalopathy and retinopathy, otherwise known as viral nervous necrosis, in marine fish worldwide. These viruses can be either horizontally or vertically transmitted and have been sporadically detected in invertebrates, which seem to be one of the possible viral sources. Twenty-eight new betanodavirus strains were retrieved in three molluscs species collected from different European countries between 2008 and 2015. The phylogenetic analyses revealed that strains retrieved from bivalve molluscs are closely related to viruses detected in finfish in Southern Europe in the period 2000-2009. Nevertheless, a new betanodavirus strain, markedly different from the other members of the RGNNV genotype, was detected. Such a massive and varied presence of betanodaviruses in bivalve molluscs greatly stresses the risks of transmission previously feared for other invertebrates. Bivalve molluscs reared in the same area as farmed and wild finfish could act as a reservoir of the virus. Furthermore, current European regulations allow relaying activities and the sale of live bivalve molluscs, which could pose a real risk of spreading betanodaviruses across different geographic regions. To our knowledge, this is the first study, which focuses on the detection and genetic characterization of betanodaviruses in bivalve molluscs. PMID- 29205403 TI - Increased Th17 functions are accompanied by Tregs activities in lupoid leishmaniasis. AB - The immunopathogenesis of lupoid leishmaniasis is challenging. Although an appropriate immune response is critical for controlling these parasites, inappropriate inflammatory reactions can also promote increased pathology. The role of immune modulatory effect of the main transcription factors and cytokines of T regulatory and Th17 cells in pathogenesis of leishmaniasis chronicity was investigated in this study. The gene expression of interleukin-10 (IL-10), transforming growth factor-beta (TGF-beta1), forkhead box P3 (Foxp3), interleukin 17(IL-17A) and retinoic acid-related orphan receptor gamma t (ROrC) was assessed in peripheral blood mononuclear cells of eighty blood samples from cutaneous leishmaniasis (CL) patients with usual lesions (n = 31), lupoid lesions (n = 29) and healthy volunteers (n = 20). Quantitative relative real-time PCR (qRT-PCR) was performed using the Taqman and Sybergreen methods for expression of target genes. Expression of Foxp3 (P = .013), IL-10 (P < .001) and IL-17A (P < .001) was significantly higher in lupoid patient compare to the nonlupoid group. Expression of Foxp3 (P < .001), IL-10 (P < .001) and IL-17A (P = .033) was significantly more in nonlupoid subjects than in healthy volunteers, except for RORgammat. These findings suggest that Foxp3+ cells, IL-10 and IL-17 play important roles in the immunopathogenesis of CL and that these roles differ depending on the causal leishmania species and different body compartments. PMID- 29205404 TI - A quilting subcutaneous suture pattern to reduce seroma formation and pain 24 hours after midline celiotomy in dogs: A randomized controlled trial. AB - OBJECTIVE: To determine the influence of a quilting suture pattern tacking the subcutaneous tissues to the deep fascia on complications after midline celiotomy in dogs. STUDY DESIGN: Single-center, randomized, blinded, controlled trial conducted in a veterinary teaching hospital. ANIMALS: Four hundred thirty-two dogs undergoing midline celiotomy for ovariohysterectomy (n = 249) or other abdominal procedures (n = 183). METHODS: Dogs were randomly assigned to (1) a quilting group, subcutaneous tissue with apposition plus tacking to the rectus fascia or (2) a nonquilting group, with apposition of subcutaneous tissue without tacking. Randomization was stratified on hospital admitting service. Primary outcome was the incidence of incisional seroma. Secondary outcomes included postoperative pain the day after surgery and surgical site infection (SSI). Outcomes were assessed during the first 30 postoperative days. RESULTS: No differences were detected between the quilting group (n = 183) and the nonquilting group (n = 175) in terms of illness severity, surgical procedure performed, surgeon's experience, duration of surgery, intraoperative complications, or methods of surgical closure other than the intervention under study. In an intent-to-treat analysis, the incidence of incisional seroma was lower in the quilting group (odds ratio = 0.30, 95% CI = 0.13-0.67, P = .004). Pain assessed 24 hours postoperatively was lower in the quilting group (P = .03). The incidence of SSI did not differ between groups. CONCLUSION: Tacking the subcutaneous tissues to the deep fascia is indicated to reduce seroma during celiotomy closure. PMID- 29205405 TI - Interferon-free therapy of chronic hepatitis C with direct-acting antivirals does not change the short-term risk for de novo hepatocellular carcinoma in patients with liver cirrhosis. AB - BACKGROUND: Hepatitis C virus (HCV) clearance with IFN-based therapies reduces the incidence of hepatocellular carcinoma (HCC). There has been some debate if IFN-free therapy with direct-acting antivirals alters the risk for HCC. AIM: To investigate the HCC incidence in cirrhotic HCV patients who cleared HCV with direct-acting antivirals vs untreated controls. METHODS: We prospectively monitored 373 patients with chronic hepatitis C who received IFN-free therapies with direct-acting antiviral after January 2014. A retrospective control cohort of untreated cirrhotic patients was recruited out of 3715 HCV patients who were followed at our centre between 2007 and 2013, with similar HCC screening protocols. RESULTS: 158 direct-acting antiviral-treated and 184 control patients with liver cirrhosis were included in this analysis. The groups did not differ in gender and genotype distribution, severity of liver disease and prevalence of diabetes mellitus. Patients were followed up for a median of 440 (range 91-908) and 592 (range 90-1000) days. HCCs developed in 6 and 14 patients during follow up, resulting in an incidence of 2.90 vs 4.48 HCCs per 100 person-years. In the direct-acting antiviral-treated group, there was no new case of HCC later than 450 days after treatment initiation. In multivariate analysis, higher MELD-Scores and AFP-levels were independently associated with HCC development. Transplant free patient survival was similar in both groups. CONCLUSIONS: IFN-free direct acting antiviral therapy of chronic hepatitis C does not alter the short-term risk for HCC in patients with liver cirrhosis. A reduced HCC incidence may become evident after more than 1.5 years of follow-up. PMID- 29205406 TI - Systematic review with network meta-analysis: first- and second-line pharmacotherapy for moderate-severe ulcerative colitis. AB - BACKGROUND: There are limited data to inform positioning of agents for treating moderate-severe ulcerative colitis (UC). AIM: To assess comparative efficacy and safety of different therapies as first-line (biologic-naive) and second-line (prior exposure to anti-tumour necrosis factor(TNF)-alpha) agents for moderate severe UC, through a systematic review and network meta-analysis, and appraise quality of evidence (QoE) using grading of recommendations, assessment, development and evaluation (GRADE) approach. METHODS: We identified randomised controlled trials (RCTs) in adults with moderate-severe UC treated with anti-TNF agents, anti-integrin agents and janus kinase (JAK) inhibitors, as first-line or second-line agents, and compared with placebo or another active agent. Efficacy outcomes were induction/maintenance of remission and mucosal healing; and safety outcomes were serious adverse events and infections. Network meta-analyses were performed, and ranking was assessed using surface under the cumulative ranking (SUCRA) probabilities. RESULTS: In biologic-naive patients (12 trials, no head-to head comparisons), infliximab and vedolizumab were ranked highest for induction of clinical remission (infliximab: odds ratio [OR], 4.10 [95% confidence intervals [CI], 2.58-6.52]; SUCRA,0.85; vedolizumab:SUCRA,0.82) and mucosal healing (infliximab:SUCRA,0.91; vedolizumab:SUCRA,0.81) (moderate QoE). In patients with prior anti-TNF exposure (4 trials, no head-to-head comparisons), tofacitinib was ranked highest for induction of clinical remission (OR, 11.88 [2.32-60.89]; SUCRA, 0.96) and mucosal healing (moderate QoE). Differences in trial design limited comparability of trials of maintenance therapy for efficacy. Vedolizumab was ranked safest in terms of serious adverse events (SUCRA, 0.91), and infection (SUCRA, 0.75) in maintenance trials. CONCLUSIONS: Infliximab and vedolizumab are ranked highest as first-line agents, and tofacitinib is ranked highest as second-line agent, for induction of remission and mucosal healing in patients with moderate-severe UC, based on indirect comparisons. Head-to-head trials are warranted to inform clinical decision-making with greater confidence. PMID- 29205407 TI - Effects of the Acute and Chronic Ethanol Intoxication on Acetate Metabolism and Kinetics in the Rat Brain. AB - BACKGROUND: Ethanol (EtOH) intoxication inhibits glucose transport and decreases overall brain glucose metabolism; however, humans with long-term EtOH consumption were found to have a significant increase in [1-11 C]-acetate uptake in the brain. The relationship between the cause and effect of [1-11 C]-acetate kinetics and acute/chronic EtOH intoxication, however, is still unclear. METHODS: [1-11 C] acetate positron emission tomography (PET) with dynamic measurement of K1 and k2 rate constants was used to investigate the changes in acetate metabolism in different brain regions of rats with acute or chronic EtOH intoxication. RESULTS: PET imaging demonstrated decreased [1-11 C]-acetate uptake in rat brain with acute EtOH intoxication, but this increased with chronic EtOH intoxication. Tracer uptake rate constant K1 and clearance rate constant k2 were decreased in acutely intoxicated rats. No significant change was noted in K1 and k2 in chronic EtOH intoxication, although 6 of 7 brain regions showed slightly higher k2 than baseline. These results indicate that acute EtOH intoxication accelerated acetate transport and metabolism in the rat brain, whereas chronic EtOH intoxication status showed no significant effect. CONCLUSIONS: In vivo PET study confirmed the modulatory role of EtOH, administered acutely or chronically, in [1-11 C]-acetate kinetics and metabolism in the rat brain. Acute EtOH intoxication may inhibit the transport and metabolism of acetate in the brain, whereas chronic EtOH exposure may lead to the adaptation of the rat brain to EtOH in acetate utilization. [1-11 C]-acetate PET imaging is a feasible approach to study the effect of EtOH on acetate metabolism in rat brain. PMID- 29205408 TI - Ovarian Hormones Contribute to High Levels of Binge-Like Drinking by Female Mice. AB - BACKGROUND: Recently, the incidence of binge drinking by women has increased. Binge drinking is detrimental to women's health, yet the biological mechanisms that promote excessive drinking by women are not well understood. One method of assessing binge-like ethanol (EtOH) consumption in mice is the drinking in the dark (DID) test, in which mice drink sufficient EtOH to achieve intoxication. In this study, we directly compared male, female, and ovariectomized (OVX) mice for DID and tested whether 17beta-estradiol (E2) contributes to DID. We also measured whether DID varies throughout the estrous cycle and whether repeated intermittent DID impacts the estrous cycle. METHODS: Male, female, and OVX C57BL/6J mice were tested for DID for 2 hours per day on days 1 to 3 and for 4 hours on day 4 using a single bottle containing 20% EtOH. To measure the effects of E2 on DID, OVX mice were treated with estradiol benzoate (EB) or vehicle daily starting 2 weeks prior to the drinking test and throughout the DID procedure. In a separate group of experiments, EtOH consumption and estrous cycle phase were measured in freely cycling mice that were drinking EtOH or water 5 days per week for 2 or 6 weeks. RESULTS: Female mice consumed more EtOH than male and OVX mice. Treatment with EB increased EtOH consumption by OVX mice compared with vehicle-treated controls. However, EtOH intake did not vary across the estrous cycle, nor did long-term DID alter the estrous cycle. CONCLUSIONS: These results demonstrate that ovarian hormones, specifically E2, contribute to increased EtOH consumption by female mice in the DID test. Although ovarian hormones contribute to this behavior, EtOH consumption is not affected by estrous cycle phase in freely cycling mice. This study provides a framework for understanding the factors that contribute to binge drinking in females. PMID- 29205409 TI - Inverse probability weighting to control confounding in an illness-death model for interval-censored data. AB - Multistate models with interval-censored data, such as the illness-death model, are still not used to any considerable extent in medical research regardless of the significant literature demonstrating their advantages compared to usual survival models. Possible explanations are their uncommon availability in classical statistical software or, when they are available, by the limitations related to multivariable modelling to take confounding into consideration. In this paper, we propose a strategy based on propensity scores that allows population causal effects to be estimated: the inverse probability weighting in the illness semi-Markov model with interval-censored data. Using simulated data, we validated the performances of the proposed approach. We also illustrated the usefulness of the method by an application aiming to evaluate the relationship between the inadequate size of an aortic bioprosthesis and its degeneration or/and patient death. We have updated the R package multistate to facilitate the future use of this method. PMID- 29205410 TI - Eating pathology in midlife women: Similar or different to younger counterparts? AB - OBJECTIVE: This study examined potential similarities and differences between women with eating disorders (EDs) in midlife and their younger counterparts. METHOD: Seven hundred and three women assessed by a specialist eating disorder service were divided into three groups based on age (18-25, 25-40, and 40+) and compared on a number of clinical and demographic measures. Distribution of ED diagnoses was also examined between groups. RESULTS: Midlife women were less likely to receive a diagnosis of anorexia nervosa and more likely to receive a diagnosis of binge-eating disorder than their younger counterparts. Duration of illness was longer and age of ED onset later in the midlife group but no differences were seen on measures of global ED pathology, psychosocial impairment, or psychological distress. DISCUSSION: This study adds to the developing literature concerning EDs in midlife women, although further work is needed to support the findings presented here and to examine profiles of males presenting to treatment centers. PMID- 29205411 TI - The nonalcoholic steatohepatitis metabotype: Imbalance of circulating amino acids and transamination reactions reflect impaired mitochondrial function. PMID- 29205412 TI - Temporal distribution of, and effect of anthropic modifications on, phlebotomine populations in the Chaco Bioregion, Argentina. AB - Migonemyia migonei is the predominant species in the dry ecoregion and Nyssomyia neivai in the humid region, although co-dominance in humid highly modified areas could be observed. Vector abundance seems to be modulated by environmental anthropization, as the abundance and predominance of Ny. neiviai and Mg. migonei increased in highly modified areas. In Humid Chaco, the risk of human-vector contact would be present throughout the year, being particularly high in spring/summer, and in Dry Chaco, the risk would be restricted to temperate and humid months. PMID- 29205413 TI - Gentle palpating liver sinusoidal endothelial cells reveals the dynamic behavior and formation of fenestrae: A new window for biomedical research. PMID- 29205414 TI - A joint marginal-conditional model for multivariate longitudinal data. AB - Multivariate longitudinal data frequently arise in biomedical applications; however, their analyses are often performed one outcome at a time, or jointly using existing software in an ad hoc fashion. A main challenge in the proper analysis of such data is the fact that the different outcomes are measured on different unknown scales. Methodology for handling the scale problem has been previously proposed for cross-sectional data, and here we extend it to the longitudinal setting. We consider modeling the longitudinal data using random effects, while leaving the joint distribution of the multiple outcomes unspecified. We propose an estimating equation together with an expectation maximization-type (expectation-substitution) algorithm. The consistency and the asymptotic distribution of the parameter estimates are established. The method is evaluated using extensive simulations and applied to a longitudinal nutrition data set from a large dietary intervention trial on breast cancer survivors, the Women's Healthy Eating and Living Study. PMID- 29205415 TI - Systematic review: human gut dysbiosis induced by non-antibiotic prescription medications. AB - BACKGROUND: Global prescription drug use has been increasing continuously for decades. The gut microbiome, a key contributor to health status, can be altered by prescription drug use, as antibiotics have been repeatedly described to have both short-term and long-standing effects on the intestinal microbiome. AIM: To summarise current findings on non-antibiotic prescription-induced gut microbiome changes, focusing on the most frequently prescribed therapeutic drug categories. METHODS: We conducted a systematic review by first searching in online databases for indexed articles and abstracts in accordance with PRISMA guidelines. Studies assessing the intestinal microbiome alterations associated with proton pump inhibitors (PPIs), metformin, nonsteroidal anti-inflammatory drugs (NSAIDs), opioids, statins and antipsychotics were included. We only included studies using culture-independent molecular techniques. RESULTS: Proton pump inhibitors and antipsychotic medications are associated with a decrease in alpha diversity in the gut microbiome, whereas opioids were associated with an increase in alpha diversity. Metformin and NSAIDs were not associated with significant changes in alpha diversity. beta diversity was found to be significantly altered with all drugs, except for NSAIDs. PPI use was linked to a decrease in Clotridiales and increase in Actinomycetales, Micrococcaceae and Streptococcaceae, which are changes previously implicated in dysbiosis and increased susceptibility to Clostridium difficile infection. Consistent results showed that PPIs, metformin, NSAIDs, opioids and antipsychotics were either associated with increases in members of class Gammaproteobacteria (including Enterobacter, Escherichia, Klebsiella and Citrobacter), or members of family Enterococcaceae, which are often pathogens isolated from bloodstream infections in critically ill patients. We also found that antipsychotic treatment, usually associated with an increase in body mass index, was marked by a decreased ratio of Bacteroidetes:Firmicutes in the gut microbiome, resembling trends seen in obese patients. CONCLUSIONS: Non antibiotic prescription drugs have a notable impact on the overall architecture of the intestinal microbiome. Further explorations should seek to define biomarkers of dysbiosis induced by specific drugs, and potentially tailor live biotherapeutics to counter this drug-induced dysbiosis. Many other frequently prescribed drugs should also be investigated to better understand the link between these drugs, the microbiome and health status. PMID- 29205416 TI - The short-term incidence of hepatocellular carcinoma is not increased after hepatitis C treatment with direct-acting antivirals: An ERCHIVES study. AB - : Recent studies have reported higher rates of hepatocellular carcinoma (HCC) in individuals treated with direct-acting antivirals (DAAs). However, making definitive conclusions has been challenging because of the heterogeneous populations and methodologies of these reports. We investigated whether DAA use is associated with higher rates of incident HCC compared to treatment with interferon (IFN)-based regimens. We performed a retrospective, population-based cohort study using the Electronically Retrieved Cohort of HCV Infected Veterans (ERCHIVES) database. In a cohort of 17,836 persons, sustained virological response (SVR) was achieved by 66.6% and 96.2% of the IFN and DAA groups, respectively. Among all treated persons, risk of HCC was not higher in the DAA group compared to the IFN group (hazard ratio, 1.07; 95% confidence interval, 0.55, 2.08). Among persons with cirrhosis who achieved SVR, neither the HCC incidence rate nor HCC-free survival were significantly different in the DAA group compared to the IFN group (21.2 vs. 22.8 per 1,000 person-years; P = 0.78 and log-rank P = 0.17, respectively). Untreated persons with cirrhosis had a significantly higher HCC incidence rate (45.3 per 1,000 person-years) compared to those treated with either IFN or DAAs (P = 0.03). Both groups of treated persons had significantly lower probability of HCC development compared to untreated persons (log-rank, P = 0.0004). CONCLUSION: DAA treatment is not associated with a higher risk of HCC in persons with cirrhosis with chronic HCV infection in the short term. Previously reported higher rates of HCC associated with DAA treatment may be explained by both the presence of relatively fewer baseline HCC risk factors in persons treated with IFN as well as selection bias, given that DAA regimens were used to treat persons at higher risk for developing HCC. (Hepatology 2018;67:2244-2253). PMID- 29205417 TI - Inhibition of germinal vesicle breakdown in Xenopus oocytes in vitro by a series of substituted glycol ethers. AB - A 24 hour in vitro Xenopus oocyte maturation (germinal vesicle breakdown [GVBD]) assay developed by Pickford and Morris (Environmental Health Perspectives, 1999, 107, 285-292) was used to screen a series of substituted glycol ethers (GEs). Substituted GEs included: ethylene glycol monomethyl ether (EGME); EG monoethyl ether (EGEE); EG monopropyl ether (EGPE); EG monobutyl ether (EGBE); EG monohexyl ether (EGHE); diethylene glycol monomethyl ether (DGME); triethylene glycol monomethyl ether (TGME); ethylene glycol monophenyl ether (EGPhE); EG monobenzyl ether (EGBeE); EG diphenyl ether (EGDPhE); and propylene glycol monophenyl ether (PGPhE). The GEs inhibited progesterone- or androstenedione-induced GVBD with the following relative potency: EGPhE > PGPhE > EGME >> EGEE >= EGBeE > EGPE >> EGBE >EGHE > EGDPhE >> DGME >= TGME, or EGPhE >> PGPhE >> EGBeE > EGDPhE > EGEE > EGME > EGPE > EGBE, EGHE, DGME and TGME, respectively. Further, [3 H]progesterone or [3 H]androstenedione binding affinities to the oocyte plasma membrane progesterone receptor (OMPR) or classical androgen receptor (AR) were: EGME > EGPhE >= PGPhE >= EGEE > EGBeE >> EGPE >> EGBE >= EGHE > EGDPhE, TGME, and DGME, or EGPhE > PGPhE >> EGBeE > EGDPhE >> EGEE >= EGME >> EGPE, EGBE, and EGHE > DGME and TGME, respectively. Binary joint mixture studies with the GVBD model using flutamide (AR antagonist) and EGPhE indicated that flutamide/EGPhE mixture acted in a concentration additive manner. The effects of substituted GE series, however, may be mediated through the OMPR; the potency of EGPhE may be the result of bimodal inhibition of both the OMPR and AR pathways. PMID- 29205419 TI - Community pharmacists-Leaders for antibiotic stewardship in respiratory tract infection. AB - WHAT IS KNOWN AND OBJECTIVE: Hospital-based pharmacists are established antibiotic stewards, but the potential for community pharmacists is largely untapped. This commentary explores the potential leadership role of the community pharmacist in antibiotic stewardship using upper respiratory tract infection (URTI) as an example. COMMENT: Community pharmacists are well placed for antibiotic stewardship, possessing the capability (knowledge of medicines), opportunity (contact with prescribers and patients) and inherent commitment. Providing further motivation with information on patient education has great potential to change patient behaviour with respect to consulting a healthcare professional for an antibiotic prescription. A Global Respiratory Infection Partnership pharmacy-led educational initiative was shown to have a positive impact and can promote appropriate self-management of URTI and reduce levels of inappropriate antibiotic use. WHAT IS NEW AND CONCLUSION: Community pharmacists are ideally placed as antibiotic stewards to lead the quest to contain the threat of antibiotic resistance. PMID- 29205418 TI - Transcriptional regulation of acetyl CoA and lipid synthesis by PII protein in Synechococcus PCC 7942. AB - PII protein family is widespread in prokaryotes and plants. In this study, impacts of PII deficiency on the synthesis of acetyl CoA and acetyl CoA carboxylase enzyme (ACCase) was analyzed in the Synechococcus sp. PCC 7942 by evaluating the mRNA levels of pyruvate kinase (PK), pyruvate dehydrogenase (PDH), citrate synthase (CS), biotin synthase (BS), biotin carboxylase (BC), biotin carboxyl carrier protein (BCCP), carboxyl transferase (CT) alpha and beta subunits. The PII deficient Synechococcus sp. PCC 7942 showed upregulation of all the above-mentioned genes, except CS. Analyses of genes required for acetyl coA synthesis exhibited a substantial increase in the transcript levels of PK and PDH in the PII mutant strain. In addition, the PII mutant also displayed reduced acetyl CoA content, high ACCase activity, and increased lipid content. The lessening of acetyl CoA content was attributed to the rapid utilization of acetyl CoA in fatty acid synthesis as well as in the TCA cycle whereas the increased ACCase activity was ascribed to the rise in mRNA levels of BS, BC, BCCP, CT alpha, and beta genes. However, increased lipid content was correlated with the declined total protein content. Hence, the study suggested that PII protein regulates the synthesis of acetyl CoA and ACCase enzyme at the transcriptional level. PMID- 29205420 TI - Ca2+ -Dependent Hyperpolarization Pathways in Sleep Homeostasis and Mental Disorders. AB - Although we are beginning to understand the neuronal and biochemical nature of sleep regulation, questions remain about how sleep is homeostatically regulated. Beyond its importance in basic physiology, understanding sleep may also shed light on psychiatric and neurodevelopmental disorders. Recent genetic studies in mammals revealed several non-secretory proteins that determine sleep duration. Interestingly, genes identified in these studies are closely related to psychiatric and neurodevelopmental disorders, suggesting that the sleep-wake cycle shares some common mechanisms with these disorders. Here we review recent sleep studies, including reverse and forward genetic studies, from the perspectives of sleep duration and homeostasis. We then introduce a recent hypothesis for mammalian sleep in which the fast and slow Ca2+ -dependent hyperpolarization pathways are pivotal in generating the SWS firing pattern and regulating sleep homeostasis, respectively. Finally, we propose that these intracellular pathways are potential therapeutic targets for achieving depolarization/hyperpolarization (D/H) balance in psychiatric and neurodevelopmental disorders. PMID- 29205421 TI - Systematic review with network meta-analysis: comparative assessment of tofacitinib and biological therapies for moderate-to-severe ulcerative colitis. AB - BACKGROUND: Biological therapies have improved the care of patients with ulcerative colitis (UC). Tofacitinib, an oral small-molecule Janus kinase inhibitor, is potentially a new treatment option. AIM: To comparatively assess efficacy and harm of tofacitinib and biologics (infliximab, adalimumab, golimumab and vedolizumab) in adult patients not previously exposed to TNF antagonists. METHODS: We performed a comprehensive search of PubMed, Embase, Scopus, clinical trial registries, regulatory authorities' websites and major conference proceedings, through August 2017, to identify randomised, placebo-controlled or head-to-head trials assessing tofacitinib or biologics as induction and/or maintenance therapy in moderate-to-severe UC. Two reviewers independently extracted study data and outcomes, and investigated each trial's risk-of-bias. We used conventional meta-analysis to synthesise direct evidence, and network meta analysis for adjusted indirect treatment comparisons. RESULTS: Fifteen randomised, double-blind, placebo-controlled trials (n = 3130) contributed data for induction: All treatments are superior to placebo. Indirect treatment comparisons showed that infliximab is better than adalimumab (OR: 2.01, 95% CI: 1.36-2.98) and golimumab (1.67, 1.08-2.59) in clinical response, better than adalimumab (2.10, 1.21-3.64) in clinical remission, and better than adalimumab (1.87, 1.26-2.79) and golimumab (1.75, 1.13-2.73) in mucosal healing. No indirect comparisons between tofacitinib and biologics reached statistical significance. Nine studies (n = 1776) contributed maintenance data showing that all treatments have higher clinical efficacy than placebo. Safety analyses indicated no increased rates of adverse events for the treatments under evaluation (except for infliximab), while vedolizumab may have an advantage regarding the occurrence of serious adverse events. CONCLUSIONS: Tofacitinib and biologics are efficacious and safe for UC. Further high-quality research is warranted to establish the best therapeutic option. PMID- 29205422 TI - Systematic review: ileoanal pouch microbiota in health and disease. AB - BACKGROUND: The resident gut microbiota is essential for physiological processes; the disturbance of its balance is linked to intestinal inflammation. The ileoanal pouch is a model for the study of intestinal inflammation, as inflammation of the pouch is common and mostly develops within 12 months following ileostomy closure. This allows the longitudinal study of the microbiota, giving insight into the microbiota changes during transition from a normal to an inflamed pouch. AIM: To explore the literature on the microbiota of the ileoanal pouch in health and disease. METHODS: A systematic computer search of the on-line bibliographic databases MEDLINE and EMBASE was performed between 1966 and February 2017. Randomised controlled trials, cohort studies and observational studies were included. Studies were included if they reported microbiota analysis on faecal samples or tissue from the ileoanal pouch. RESULTS: Twenty-six papers were eligible. Following ileostomy closure, anaerobic bacteria are the abundant species in the ileoanal pouch with presence of a diverse microbiota key to maintaining a healthy ileoanal pouch. Acute pouchitis is associated with an increase in Clostridia species, while chronic pouchitis is associated with an increase in Staphylococcus aureus. In the treatment of pouchitis, a decrease in Clostridia species appears to be associated with treatment response. CONCLUSION: The microbiota plays an important role in both the inflamed and the healthy ileoanal pouch. A direct causal relationship between individual microbiota changes and inflammation has not yet been established, but manipulation of the ileoanal pouch microbiota may be a novel therapeutic avenue to explore. PMID- 29205423 TI - Different games of moral bioenhancement. AB - Rakic has serious misgivings about Wiseman's inability to frame ethical issues in the context of transcending existing realities (the 'is') with the aim of achieving what we believe is morally right (the 'ought'). This inability to think beyond the present is misguided in ethics. He also criticizes Wiseman for making the unimaginative and unsubstantiated assumption that moral bioenhancement (MBE) technologies have reached their zenith already. Rakic argues that MBE will become more effective in the time to come, that it ought to be optional for every free individual, and that it should be directed at enhancing our motivation to act in line with how we believe we ought to act. He concedes however that the enhancement of our motivation to act morally can only be effective in a limited number of morally unambiguous cases. In response, Wiseman argues that Rakic's reflections epitomize a way of articulating MBE that is unhelpful, misguidedly optimistic, and missing the most important things needing discussion. Such reflections are based on inappropriate metaphors, a too future-oriented view detached from basic realities, and a false sense of what is possible on the global level should MBE be applied. Such ways of thinking about MBE are misguided from the outset, and indicative of the enthusiasm for a discourse in need of realignment. This should take the form of a more modest, synergistic outlook acutely aware of the inexorable limitations imposed on MBE by the internal complexity of moral goods, human agents, and the contexts in which moral action occurs. PMID- 29205424 TI - Multi-source surveillance for work-related crushing injuries. AB - BACKGROUND: Work-related crushing injuries are serious but preventable. For 2013 through 2015, the U.S. Bureau of Labor Statistics' (BLS) Survey of Occupational Injuries and Illnesses (SOII) reported 1260 crushing injuries in Michigan. In 2013, Michigan initiated multi-data source surveillance of work-related crushing injuries. METHODS: Records from all 134 of Michigan's hospitals/emergency departments (EDs), the Workers Compensation Agency (WCA) and Michigan's Fatality Assessment Control and Evaluation (MIFACE) program were used to identify work related crushing injuries. Companies, where individuals were hospitalized or had an ED visit for a crushing injury, potentially had an OSHA enforcement inspection conducted. RESULTS: From 2013 through 2015, there were 3137 work-related crushing injury incidents, including two fatalities. The Michigan OSHA program completed inspections at 77 worksites identified by the surveillance system. CONCLUSION: The Michigan multisource surveillance system identified two and a half times more crushing injuries than BLS and was useful for initiating case-based enforcement inspections. PMID- 29205425 TI - A weighted combined effect measure for the analysis of a composite time-to-first event endpoint with components of different clinical relevance. AB - Composite endpoints combine several events within a single variable, which increases the number of expected events and is thereby meant to increase the power. However, the interpretation of results can be difficult as the observed effect for the composite does not necessarily reflect the effects for the components, which may be of different magnitude or even point in adverse directions. Moreover, in clinical applications, the event types are often of different clinical relevance, which also complicates the interpretation of the composite effect. The common effect measure for composite endpoints is the all cause hazard ratio, which gives equal weight to all events irrespective of their type and clinical relevance. Thereby, the all-cause hazard within each group is given by the sum of the cause-specific hazards corresponding to the individual components. A natural extension of the standard all-cause hazard ratio can be defined by a "weighted all-cause hazard ratio" where the individual hazards for each component are multiplied with predefined relevance weighting factors. For the special case of equal weights across the components, the weighted all-cause hazard ratio then corresponds to the standard all-cause hazard ratio. To identify the cause-specific hazard of the individual components, any parametric survival model might be applied. The new weighted effect measure can be tested for deviations from the null hypothesis by means of a permutation test. In this work, we systematically compare the new weighted approach to the standard all-cause hazard ratio by theoretical considerations, Monte-Carlo simulations, and by means of a real clinical trial example. PMID- 29205426 TI - Systematic review with meta-analysis: thiopurines decrease the risk of colorectal neoplasia in patients with inflammatory bowel disease. AB - BACKGROUND: Patients with inflammatory bowel disease (IBD) have a high risk of developing colorectal neoplasia. AIM: To investigate whether thiopurines can decrease the risk of developing colorectal neoplasia in patients with ulcerative colitis (UC) or Crohn's disease (CD). METHODS: We conducted a meta-analysis of 24 observational studies involving 76,999 participants to evaluate the risks of developing colorectal neoplasia in IBD patients receiving thiopurine treatment. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) for the risks of colorectal neoplasia were calculated using a random-effects model. RESULTS: The overall pooled estimate revealed a protective effect of thiopurine use on colorectal neoplasia in patients with IBD (OR = 0.63, 95% CI 0.46-0.86). The effect was significant in UC patients (OR = 0.67, 95% CI 0.45-0.98), but was not significant in CD patients (OR = 1.06, 95% CI 0.54-2.09). Thiopurines exposure significantly decreased the risk of colorectal cancer (CRC) (OR = 0.65, 95% CI 0.45-0.96) and advanced colorectal neoplasia (CRC and/or high-grade dysplasia) (OR = 0.62, 95% CI 0.44-0.89), but did not decrease the risk of dysplasia alone (OR = 0.90, 95% CI 0.37-2.21). Tendencies towards the protective effect of thiopurines were distinct in clinic-based studies (OR = 0.59, 95% CI 0.42-0.82) and case-control studies (OR = 0.40, 95% CI 0.26-0.62), but not in population based studies (OR = 0.95, 95% CI 0.55-1.62) and cohort studies (OR = 0.98, 95% CI 0.81-1.18). Interestingly, studies conducted in Europe (OR = 0.48, 95% CI 0.31 0.77), rather than in North America (OR = 0.91, 95% CI 0.67-1.24), showed the protective effect of thiopurines. CONCLUSIONS: This meta-analysis revealed an antineoplastic effect of thiopurines on colorectal neoplasia in patients with IBD, particularly amongst patients with UC. PMID- 29205427 TI - Reply. PMID- 29205428 TI - Power Doppler Ultrasonography and Shear Wave Elastography as Complementary Imaging Methods for Suspected Local Breast Cancer Recurrence. AB - OBJECTIVES: To prospectively investigate the diagnostic accuracy and clinical consequences of power Doppler morphologic criteria and shear wave elastography (SWE) as complementary imaging methods for evaluation of suspected local breast cancer recurrence in the ipsilateral breast or chest wall. METHODS: Thirty-two breast masses with a suspicion of local breast cancer recurrence on B-mode ultrasonography underwent complementary power Doppler and SWE evaluations. Power Doppler morphologic criteria were classified as avascular, hypovascular, or hypervascular. Shear wave elastography was classified according to a 5-point scale (SWE score) and SWE maximum elasticity. Diagnostic accuracy was assessed by the sensitivity, specificity, and area under the curve. A decision curve analysis assessed clinical consequences of each method. The reference standard for diagnosis was defined as core needle or excisional biopsy. RESULTS: Histopathologic examinations revealed 9 (28.2%) benign and 23 (71.8%) malignant cases. Power Doppler ultrasonography (US) had sensitivity of 34.8% (95% confidence interval [CI], 6.6%-62.9%) and specificity of 45.4% (95% CI, 19.3% 71.5%). The SWE score (>=3) had sensitivity of 87.0% (95% CI, 66.4%-97.2%) and specificity of 44.4% (95% CI, 13.7%-78.8%). The SWE maximum elasticity (velocity > 6.5cm/s) had sensitivity of 87% (95% CI, 66.4%-97.2%) and specificity of 77.8% (95% CI, 40.0% to 97.2%). The areas under the curves for the SWE score and SWE maximum elasticity were 0.71 (95% CI, 0.53-0.87) and 0.82 (95% CI, 0.64-0.93), respectively (P = .32). CONCLUSIONS: Power Doppler US is unsuitable for discrimination between local breast cancer recurrence and fibrosis. Although the SWE score and SWE maximum elasticity can make this discrimination, the use of these methods to determine biopsy may lead to poorer clinical outcomes than the current practice of performing biopsies of all suspicious masses. PMID- 29205429 TI - Erratum. PMID- 29205430 TI - Erratum. PMID- 29205431 TI - Anatomic Delineation of Tarsal Tunnel Innervation via Ultrasonography. AB - OBJECTIVES: High-resolution ultrasonography (US) can play an important role in studying nerves, as it has several advantages. Entrapments of distal tibial nerve branches can be mapped out or diagnosed with selective anesthetic blocks, and US can guide therapeutic procedures, such as radiofrequency ablation and selective infiltrations of specific nerve branches. The aim of this study was to verify that US is an effective method for accurately locating the posterior tibial nerve and its terminal branches, such as the medial calcaneal branch, the first calcaneal branch, and the medial and lateral plantar nerves. METHODS: In this study, we analyzed the correlation between US mapping and real anatomy after cadaveric dissection, assessing the distribution and variability of the tibial nerve and its terminal branches. We used 12 fresh anatomic specimens of the foot and ankle, including the calf. A high-resolution US study of the tibial nerve and its branches was performed. RESULTS: The results of the US studies of the anatomic specimens were drawn as paper diagrams and in data collection tables. Both were completed twice per anatomic specimen, first using the results of the US study and second using the results from dissection of the anatomic specimens; this approach enabled us to compare the results and verify whether the US study and the dissection correlated on the topography of the tibial nerve and its terminal branches. We found almost total agreement between the US and dissection results, with no significant differences between the evaluations. CONCLUSIONS: On the basis of this work, we can conclude that high-resolution US is almost 100% effective as a tool for identifying the tibial nerve and its branches, enabling the specialist to make diagnoses or perform selective treatments on each nerve branch and even to design surgical interventions by observing the patient's anatomy before performing the dissection. PMID- 29205432 TI - Sofosbuvir and daclatasvir therapy in patients with hepatitis C-related advanced decompensated liver disease (MELD >= 15). AB - BACKGROUND: Antiviral therapy for hepatitis C has the potential to improve liver function in patients with decompensated cirrhosis. AIMS: To examine the virological response and effect of viral clearance in patients with decompensated hepatitis C cirrhosis all with MELD scores >=15 following sofosbuvir/daclatasvir +/- ribavirin. METHODS: We prospectively collected data on patients who commenced sofosbuvir/daclatasvir for 24-weeks under the Australian patient supply program (TOSCAR) and analysed outcomes including sustained viral response at 12 weeks (SVR12), death and transplant. RESULTS: 108 patients (M/F, 79/29; median age 56years; Child-Pugh 10; MELD 16; genotype 1/3, 55/47) received sofosbuvir/daclatasvir and two also received ribavirin. On intention-to-treat, the SVR12 rate was 70% (76/108). Seventy-eight patients completed 24-weeks therapy. SVR12 was achieved in 56 of these patients on per-protocol-analysis (76%). SVR12 was 80% in genotype 1 compared to 69% in genotype 3. Thirty patients failed to complete therapy. In patients achieving SVR12, median MELD and Child Pugh fell from 16(IQR15-17) to 14(12-17) and 10(9-11) to 8(7-9), respectively (P<.001). In those who died, MELD increased from 16 to 23 at death (P=.036). Patients who required transplantation had a significantly higher baseline MELD (20) compared to those patients completing treatment (16) (P=.0010). The odds ratio for transplant in patients with baseline MELD >=20 was 13.8(95%CI 2.78 69.04). CONCLUSIONS: SVR12 rates with sofosbuvir/daclatasvir in advanced liver disease are lower than in compensated disease. Although treatment improves MELD and Child-Pugh in most patients, a significant proportion will die or require transplantation. In those with MELD >=20, it may be better to delay treatment until post-transplant. PMID- 29205433 TI - Faculty feedback that begins with resident self-assessment: motivation is the key to success. AB - CONTEXT: The seeking and incorporating of feedback are necessary for continuous performance improvement in medicine. We know that beginning feedback conversations with resident self-assessment may reduce some of the tensions experienced by faculty staff. However, we do not fully understand how residents experience feedback that begins with self-assessment, and whether any existing theoretical frameworks can explain their experiences. METHODS: We conducted a constructivist grounded theory study exploring physical medicine and rehabilitation residents' experiences as they engaged in a structured self assessment and faculty staff feedback programme. Utilising purposive sampling, we conducted 15 individual interviews and analysed verbatim transcripts iteratively. We implemented several procedures to enhance the credibility of the findings and the protection of participants during recruitment, data collection and data analysis. After defining the themes, we reviewed a variety of existing frameworks to determine if any fitted the data. RESULTS: Residents valued self-assessment followed by feedback (SAFF) and had clear ideas of what makes the process useful. Time pressures and poor feedback quality could lead to a process of 'just going through the motions'. Motivation coloured residents' experiences, with more internalised motivation related to a more positive experience. There were no gender- or year of training-related patterns. CONCLUSIONS: Self-determination theory provided the clearest lens for framing our findings and fitted into a conceptual model linking the quality of the SAFF experience and residents' motivational loci. We identified several study limitations including time in the field, evolving characteristics of the SAFF programme and the absence of faculty voices. We believe that by better understanding residents' experiences of SAFF, educators may be able to tailor the feedback process, enhance clinical performance and ultimately improve patient care. PMID- 29205434 TI - Bayesian inference for unidirectional misclassification of a binary response trait. AB - When assessing association between a binary trait and some covariates, the binary response may be subject to unidirectional misclassification. Unidirectional misclassification can occur when revealing a particular level of the trait is associated with a type of cost, such as a social desirability or financial cost. The feasibility of addressing misclassification is commonly obscured by model identification issues. The current paper attempts to study the efficacy of inference when the binary response variable is subject to unidirectional misclassification. From a theoretical perspective, we demonstrate that the key model parameters possess identifiability, except for the case with a single binary covariate. From a practical standpoint, the logistic model with quantitative covariates can be weakly identified, in the sense that the Fisher information matrix may be near singular. This can make learning some parameters difficult under certain parameter settings, even with quite large samples. In other cases, the stronger identification enables the model to provide more effective adjustment for unidirectional misclassification. An extension to the Poisson approximation of the binomial model reveals the identifiability of the Poisson and zero-inflated Poisson models. For fully identified models, the proposed method adjusts for misclassification based on learning from data. For binary models where there is difficulty in identification, the method is useful for sensitivity analyses on the potential impact from unidirectional misclassification. PMID- 29205435 TI - Relative efficiency of precision medicine designs for clinical trials with predictive biomarkers. AB - Prospective randomized clinical trials addressing biomarkers are time consuming and costly, but are necessary for regulatory agencies to approve new therapies with predictive biomarkers. For this reason, recently, there have been many discussions and proposals of various trial designs and comparisons of their efficiency in the literature. We compare statistical efficiencies between the marker-stratified design and the marker-based precision medicine design regarding testing/estimating 4 hypotheses/parameters of clinical interest, namely, treatment effects in each marker-positive and marker-negative cohorts, marker-by treatment interaction, and the marker's clinical utility. As may be expected, the stratified design is more efficient than the precision medicine design. However, it is perhaps surprising to find out how low the relative efficiency can be for the precision medicine design. We quantify the relative efficiency as a function of design factors including the marker-positive prevalence rate, marker assay and classification sensitivity and specificity, and the treatment randomization ratio. It is interesting to examine the trends of the relative efficiency with these design parameters in testing different hypotheses. We advocate to use the stratified design over the precision medicine design in clinical trials with predictive biomarkers. PMID- 29205436 TI - Validation of the Pain Resilience Scale in Chinese-speaking patients with temporomandibular disorders pain. AB - To validate the Pain Resilience Scale (PRS) for use in Chinese patients with temporomandibular disorders (TMD) pain. According to international guidelines, the original PRS was first translated and cross-culturally adapted to formulate the Chinese version of PRS (PRS-C). A total of 152 patients with TMD pain were recruited to complete series of questionnaires. Reliability of the PRS-C was investigated using internal consistency and test-retest reliability. Validity of the PRS-C was calculated using cross-cultural validity and convergent validity. Cross-cultural validity was evaluated by examining the confirmatory factor analysis (CFA). And convergent validity was examined through correlating the PRS C scores with scores of 2 commonly used pain-related measures (the Connor Davidson Resilience Scale [CD-RISC] and the Tampa Scale for Kinesiophobia for Temporomandibular Disorders [TSK-TMD]). The PRS-C had a high internal consistency (Cronbach's alpha = 0.92) and good test-retest reliability (intra-class correlation coefficient [ICC] = 0.81). The CFA supported a 2-factor model for the PRS-C with acceptable fit to the data. The fit indices were chi-square/DF = 2.21, GFI = 0.91, TLI = 0.97, CFI = 0.98 and RMSEA = 0.08. As regards convergent validity, the PRS-C evidenced moderate-to-good relationships with the CD-RISC and the TSK-TMD. The PRS-C shows good psychometric properties and could be considered as a reliable and valid measure to evaluate pain-related resilience in patients with TMD pain. PMID- 29205437 TI - mRNA Traffic Control Reviewed: N6-Methyladenosine (m6 A) Takes the Driver's Seat. AB - Messenger RNA is a flexible tool box that plays a key role in the dynamic regulation of gene expression. RNA modifications variegate the message conveyed by the mRNA. Similar to DNA and histone modifications, mRNA modifications are reversible and play a key role in the regulation of molecular events. Our understanding about the landscape of RNA modifications is still rudimentary in contrast to DNA and histone modifications. The major obstacle has been the lack of sensitive detection methods since they are non-editing events. However, with the advent of next-generation sequencing techniques, RNA modifications are being identified precisely at single nucleotide resolution. In recent years, methylation at the N6 position of adenine (m6 A) has gained the attention of RNA biologists. The m6 A modification has a set of writers (methylases), erasers (demethylases), and readers. Here, we provide a summary of interesting facts, conflicting findings, and recent advances in the technical and functional aspects of the m6 A epitranscriptome. PMID- 29205438 TI - Towards the identification of reliable sperm biomarkers for male infertility: A sperm proteomic approach. AB - Male infertility evaluation is mainly based on semen analysis. Thus, identification of additional diagnostic methods is valuable. The aim of this study was to analyse the sperm proteome of infertile men to identify the underlying mechanisms and reliable diagnostic biomarkers. This cross-sectional study consisted of 16 infertile men and seven proven fertile men. An LC-MS/MS approach was performed in five pooled samples of each group (proven fertile men, primary infertility and secondary infertility). Differentially expressed proteins were used for functional enrichment analyses, and the most central proteins involved in altered functions in both infertile groups and the testis-specific proteins were validated using Western blotting and immunocytochemistry. In total, 1,305 sperm proteins were identified, of which 102 were underexpressed and 15 were overexpressed proteins in both infertile groups. Underexpressed proteins were mostly related to protein post-translational modification and folding, especially BAG6, HSPA2 and SPA17. Validation analysis revealed an underexpression of BAG6 in infertile men, whereas HSPA2 and SPA17 expressions did not differ between the groups. No differences were observed in the sperm localisation of these proteins. An overexpression of HIST1H2BA-a testis-specific protein-was observed in both proteomic approaches. Therefore, BAG6 and HIST1H2BA are potential candidates for male infertility biomarkers. PMID- 29205439 TI - Influence of removable prostheses on mastication in elderly subjects with rheumatoid arthritis. AB - Rheumatoid arthritis (RA) is a prevalent disease in the elderly population, and it may affect the temporomandibular joint (TMJ) and the stomatognathic system. This study evaluated masticatory function in elderly patients with RA before and after oral rehabilitation with removable prostheses. Forty-five elders with partial or total edentulism who were using unsatisfactory removable prostheses were selected and assigned to 3 groups: RA with TMJ involvement, RA without TMJ involvement and healthy controls. Masticatory function was assessed in terms of masticatory performance (MP) and maximum bite force (MBF). The former was determined by the sieving method, and the latter was measured by pressure sensors placed in the bilateral molar regions. The variables were first evaluated in elderly subjects wearing unsatisfactory prostheses and re-assessed after participants had received new removable prostheses. Comparisons between groups and among time points were performed with analysis of variance for repeated measures and the Tukey-Kramer test (P < .05). Comparison among groups showed decreased MP in elders with RA before new prosthesis insertion (P < .05). Irrespective of TMJ involvement, MP improved after treatment in subjects with RA. Rheumatoid arthritis groups also showed decreased MBF (P < .05), which improved after new prosthesis insertion. Rheumatoid arthritis might impair masticatory function, and well-fitted removable prosthesis insertion might be very beneficial in elders with RA. PMID- 29205440 TI - Effect of reflection on medical students' situational interest: an experimental study. AB - CONTEXT: Reflection has been considered crucial to learning. Engaging in reflection while solving problems is expected to foster identification of knowledge gaps and interest in learning more about them, the latter being a major motivational force in learning. Although theoretically sound, this assumption still lacks empirical evidence. This experiment investigated whether reflection while diagnosing clinical cases of different levels of difficulty influences medical students' awareness of knowledge gaps and situational interest. METHODS: Forty-two fourth-year students from a Brazilian medical school were randomly allocated to diagnose six clinical cases (three difficult; three easy), either by following a structured reflection procedure (reflection group) or by giving alternative diagnoses (control group). Subsequently, for each case, all students rated their situational interest and awareness of knowledge gaps. RESULTS: Situational interest was significantly higher in the reflection group than in the control group (mean = 4.10, standard deviation = 0.50 versus mean = 3.65, standard deviation = 0.48, respectively; p = 0.003; range, 1-5). The effect size was large (d = 0.92). Awareness of knowledge gaps was higher in the reflection group than in the control group, but the difference was not significant. Case difficulty influenced both situational interest, which was significantly higher on easy than on difficult cases (mean = 3.96, standard deviation = 0.56 versus mean = 3.80, standard deviation = 0.55, respectively; p = 0.004), and awareness of knowledge gaps, with higher scores observed on difficult compared with easy cases (mean = 3.99, standard deviation = 0.46 versus mean = 3.66, standard deviation = 0.53, respectively; p < .001). No interaction between experimental condition and case difficulty emerged. CONCLUSION: Relative to providing alternative diagnoses while solving cases, structured reflection increased medical students' interest and may therefore be a useful tool for teachers concerned with enhancing students' motivation for learning. Surprisingly, easy cases promoted higher situational interest despite the higher awareness of knowledge gaps on difficult cases. This suggests the potential for case difficulty to inhibit students' interest in learning, a possibility that demands further investigation. PMID- 29205441 TI - Hepatitis C transmission from seropositive, nonviremic donors to non-hepatitis C liver transplant recipients. AB - : Breakthroughs in hepatitis C virus (HCV) treatment and rising rates of intravenous drug use have led to an increase in the number of organ donors who are HCV antibody-positive but serum nucleic acid test (NAT)-negative. The risk of HCV transmission from the liver grafts of these donors to recipients is unknown. To estimate the incidence of HCV transmission, we prospectively followed 26 consecutive HCV antibody-negative (n = 25) or NAT-negative (n = 1) transplant recipients who received a liver graft from donors who were HCV antibody-positive but serum NAT-negative between March 2016 and March 2017. HCV transmission was considered to have occurred if recipients exhibited a positive HCV PCR test by 3 months following transplantation. Drug overdose was listed as the cause of death in 15 (60%) of the donors. One recipient died 18 days after transplantation from primary graft nonfunction and was excluded. Of the remaining 25 recipients, HCV transmission occurred in 4 (16%), at a median follow-up of 11 months, all from donors who died of drug overdose. Three of these patients were treated with direct-acting antiviral therapy, with two achieving a sustained virologic response and one an end-of-treatment response. One patient with HCV transmission died after a complicated postoperative course and did not receive antiviral therapy. CONCLUSION: In this prospective cohort of non-HCV liver recipients receiving grafts from HCV antibody-positive/NAT-negative donors, the incidence of HCV transmission was 16%, with the highest risk conferred by donors who died of drug overdose; given the availability of safe and highly effective antiviral therapies, use of such organs could be considered to expand the donor pool. (Hepatology 2018;67:1673-1682). PMID- 29205442 TI - Palliative care for end-of-life patients in a basic emergency service. AB - This research sought to describe the care provided by the nursing staff of the Western Department of the Basic Emergency Service for end-of-life patients. This was a retrospective, quantitative, exploratory and descriptive (level I) study, which sought to research the nursing records of 83 patients from admission to death. Patients who met the following inclusion criteria were considered eligible: adults; had an oncological or nononcological, advanced and irreversible chronic disease; and died in the Basic Emergency Service in the period from January 2011 to December 2012. An instrument was created for data collection, the content, relevance and adequacy of which was validated by a panel of experts in the area of palliative care. The study protocol was approved by the Institutional Ethics Committee. The main results indicate that the majority of patients died in the Observation Room in a period between the first two and twenty-four hours. Nursing interventions favoured technical-instrumental care related to medical prescriptions and service routines such as venous punctures, catheterisations, taking blood samples for analysis, aspiration of secretions, intravenous administration of fluids and drugs for symptomatic control, and monitoring of vital parameters and the state of consciousness. With the proximity of death, the nurses favoured the registration of cardiorespiratory arrest, cardiopulmonary resuscitation manoeuvres and aspiration of secretions. In the recognition of predictive factors of imminent death, the nurses favoured the patient's entry into a comatose state and aggravation of asthenia. In most patients, the entry into agony phase was not diagnosed. PMID- 29205443 TI - Digitised evaluation of speech intelligibility using vowels in maxillectomy patients. AB - Among the functional disabilities that patients face following maxillectomy, speech impairment is a major factor influencing quality of life. Proper rehabilitation of speech, which may include prosthodontic and surgical treatments and speech therapy, requires accurate evaluation of speech intelligibility (SI). A simple, less time-consuming yet accurate evaluation is desirable both for maxillectomy patients and the various clinicians providing maxillofacial treatment. This study sought to determine the utility of digital acoustic analysis of vowels for the prediction of SI in maxillectomy patients, based on a comprehensive understanding of speech production in the vocal tract of maxillectomy patients and its perception. Speech samples were collected from 33 male maxillectomy patients (mean age 57.4 years) in two conditions, without and with a maxillofacial prosthesis, and formant data for the vowels /a/,/e/,/i/,/o/, and /u/ were calculated based on linear predictive coding. The frequency range of formant 2 (F2) was determined by differences between the minimum and maximum frequency. An SI test was also conducted to reveal the relationship between SI score and F2 range. Statistical analyses were applied. F2 range and SI score were significantly different between the two conditions without and with a prosthesis (both P < .0001). F2 range was significantly correlated with SI score in both the conditions (Spearman's r = .843, P < .0001; r = .832, P < .0001, respectively). These findings indicate that calculating the F2 range from 5 vowels has clinical utility for the prediction of SI after maxillectomy. PMID- 29205444 TI - Switching from infliximab innovator to biosimilar in patients with inflammatory bowel disease: a 12-month multicentre observational prospective cohort study. AB - BACKGROUND: Infliximab biosimilars have become available for treatment of inflammatory bowel disease (IBD). However, data showing long-term safety and effectiveness of biosimilars in IBD patients are limited. AIM: To study prospectively the switch from infliximab innovator to biosimilar in an IBD cohort with 12 months follow-up to evaluate safety and effectiveness. METHODS: Adult IBD patients from two hospitals treated with infliximab innovator (Remicade; Janssen Biotech, Horsham , Pennsylvania, USA) were switched to infliximab biosimilar (Inflectra; Hospira, Lake Forest, Illinois, USA) as part of routine care, but in a controlled setting. Blood samples were taken just before the first, second, fourth and seventh infusion of biosimilar. Infliximab trough levels, antibodies to-infliximab (ATI), CRP and ESR were measured and disease activity scores were calculated. RESULTS: Our cohort consisted of 133 IBD patients (64% CD, 36% UC). Before switching we found widely varying infliximab levels (median 3.5 MUg/mL). ATI were detected in eight patients (6%). Most patients were in remission or had mild disease (CD: 82% UC: 90%). After switching to biosimilar, 35 patients (26%) discontinued therapy within 12 months, mostly due to subjective higher disease activity (9%) and adverse events (AE, 9.8%). AE included general malaise/fatigue (n = 7), arthralgia (n = 2), skin problems (n = 2) and infusion reactions (n = 2). No differences in IFX levels, CRP, and disease activity scores were found between the four time points (P >= .0917). CONCLUSIONS: We found no differences in drug levels and disease activity between infliximab innovator and biosimilar in our IBD cohort, indicating that biosimilars are safe and effective. The high proportions of discontinuers were mostly due to elective withdrawal or subjective disease worsening. PMID- 29205445 TI - Analysis of the U.S. patient referral network. AB - In this paper, we analyze the US Patient Referral Network (also called the Shared Patient Network) and various subnetworks for the years 2009 to 2015. In these networks, two physicians are linked if a patient encounters both of them within a specified time interval, according to the data made available by the Centers for Medicare and Medicaid Services. We find power law distributions on most state level data as well as a core-periphery structure. On a national and state level, we discover a so-called small-world structure as well as a "gravity law" of the type found in some large-scale economic networks. Some physicians play the role of hubs for interstate referral. Strong correlations between certain network statistics with health care system statistics at both the state and national levels are discovered. The patterns in the referral network evinced using several statistical analyses involving key metrics derived from the network illustrate the potential for using network analysis to provide new insights into the health care system and opportunities or mechanisms for catalyzing improvements. PMID- 29205446 TI - Induced smoothing for rank-based regression with recurrent gap time data. AB - Various semiparametric regression models have recently been proposed for the analysis of gap times between consecutive recurrent events. Among them, the semiparametric accelerated failure time (AFT) model is especially appealing owing to its direct interpretation of covariate effects on the gap times. In general, estimation of the semiparametric AFT model is challenging because the rank-based estimating function is a nonsmooth step function. As a result, solutions to the estimating equations do not necessarily exist. Moreover, the popular resampling based variance estimation for the AFT model requires solving rank-based estimating equations repeatedly and hence can be computationally cumbersome and unstable. In this paper, we extend the induced smoothing approach to the AFT model for recurrent gap time data. Our proposed smooth estimating function permits the application of standard numerical methods for both the regression coefficients estimation and the standard error estimation. Large-sample properties and an asymptotic variance estimator are provided for the proposed method. Simulation studies show that the proposed method outperforms the existing nonsmooth rank-based estimating function methods in both point estimation and variance estimation. The proposed method is applied to the data analysis of repeated hospitalizations for patients in the Danish Psychiatric Center Register. PMID- 29205447 TI - Multivariate space-time modelling of multiple air pollutants and their health effects accounting for exposure uncertainty. AB - The long-term health effects of air pollution are often estimated using a spatio temporal ecological areal unit study, but this design leads to the following statistical challenges: (1) how to estimate spatially representative pollution concentrations for each areal unit; (2) how to allow for the uncertainty in these estimated concentrations when estimating their health effects; and (3) how to simultaneously estimate the joint effects of multiple correlated pollutants. This article proposes a novel 2-stage Bayesian hierarchical model for addressing these 3 challenges, with inference based on Markov chain Monte Carlo simulation. The first stage is a multivariate spatio-temporal fusion model for predicting areal level average concentrations of multiple pollutants from both monitored and modelled pollution data. The second stage is a spatio-temporal model for estimating the health impact of multiple correlated pollutants simultaneously, which accounts for the uncertainty in the estimated pollution concentrations. The novel methodology is motivated by a new study of the impact of both particulate matter and nitrogen dioxide concentrations on respiratory hospital admissions in Scotland between 2007 and 2011, and the results suggest that both pollutants exhibit substantial and independent health effects. PMID- 29205448 TI - Soft Tissue Masses of the Knee Related to a Focal Defect of the Lateral Patellar Retinaculum. AB - We report on the imaging features of 6 soft tissue masses in the anterolateral aspect of the knee related to a focal defect of the lateral patellar retinaculum. In 4 patients (3 female and 1 male; 6-65 years) presenting with nontender palpable soft tissue masses in the anterolateral aspect of their knees, ultrasonography showed a focal defect of the lateral patellar retinaculum with herniation of the Hoffa fat pad, which was only visible in flexion. A magnetic resonance imaging examination performed in 1 case confirmed the defect in the lateral patellar retinaculum but did not show a mass, as the knee was examined only at 10 degrees of flexion. The 2 remaining patients (one male and 1 female; 62 and 55 years) presented with soft tissue masses in their anterolateral knees in both flexion and extension. These masses were related respectively to a lipoma of the Hoffa fat pad and to a ganglion cyst, both herniated through a defect of the lateral patellar retinaculum. Our cases suggest that a focal defect of the lateral patellar retinaculum may be a route for Hoffa fat pad herniation as well as a route for superficial extension of infrapatellar fat lesions such as lipomas and ganglion cysts. PMID- 29205449 TI - The relationship between jaw-opening force and the cross-sectional area of the suprahyoid muscles in healthy elderly. AB - We conducted a clinical cross-sectional study to examine the relationship between jaw-opening force and the cross-sectional area of the suprahyoid muscles and whole skeletal muscle mass. Subjects were healthy 39 males and 51 females without dysphagia and sarcopenia, aged 65 years and older. Jaw-opening force was measured three times using a jaw-opening sthenometer; the maximum of these three was taken as the measurement value. The cross-sectional area of the geniohyoid and anterior belly of the digastric muscles were evaluated using ultrasonography. The skeletal muscle mass index, gait speed and grip strength were evaluated according to the diagnostic criteria of the Asian Working Group for Sarcopenia. For each sex, a multiple regression analysis determined the factors that affect jaw-opening force. Jaw-opening force was associated with the cross-sectional area of the geniohyoid muscle in males (regression coefficient [beta] = 0.441, 95% confidence interval [CI] = 14.28-56.09) and females (beta = 0.28, 95% CI = 3.10-54.57). Furthermore, in females only, jaw-opening force was associated with the skeletal muscle mass index (beta = 0.40, 95% CI = 3.67-17.81). In contrast, jaw-opening force was not associated with the cross-sectional area of the anterior belly of the digastric muscle in either sex. In healthy elderly males and females, jaw opening force was positively associated with the cross-sectional area of the geniohyoid muscle. However, the jaw-opening force was positively associated with the skeletal muscle mass index only in females. PMID- 29205450 TI - Clinical relevance of deferasirox trough levels in beta-thalassemia patients. AB - We evaluated the role of deferasirox therapeutic drug monitoring in order to avoid toxicity or treatment failure. Plasma concentrations, measured between two consecutive liver iron determinations, were determined at the end of dosing interval. Fifty-four beta-thalassemic adult patients were enrolled: 50% were males; median age was 32.3 years (IQR 19.1-41.7 years) and median body mass index was 22.25 kg/m2 (IQR 20.24-23.75 kg/m2 ). The mean deferasirox dose was 28.6 +/- 6.3 mg/kg/d and mean plasma concentration was 17.3 +/- 16.8 MUg/mL. Drug levels showed lower results in males. Deferasirox concentration was significantly correlated with serum creatinine levels (P = .01) and serum ferritin (P < .0001). The assessment of deferasirox therapeutic drug monitoring could help clinicians to predict patient responses and to optimize the therapy. PMID- 29205452 TI - An R2 -curve for evaluating the accuracy of dynamic predictions. AB - In the context of chronic diseases, patient's health evolution is often evaluated through the study of longitudinal markers and major clinical events such as relapses or death. Dynamic predictions of such types of events may be useful to improve patients management all along their follow-up. Dynamic predictions consist of predictions that are based on information repeatedly collected over time, such as measurements of a biomarker, and that can be updated as soon as new information becomes available. Several techniques to derive dynamic predictions have already been suggested, and computation of dynamic predictions is becoming increasingly popular. In this work, we focus on assessing predictive accuracy of dynamic predictions and suggest that using an R2 -curve may help. It facilitates the evaluation of the predictive accuracy gain obtained when accumulating information on a patient's health profile over time. A nonparametric inverse probability of censoring weighted estimator is suggested to deal with censoring. Large sample results are provided, and methods to compute confidence intervals and bands are derived. A simulation study assesses the finite sample size behavior of the inference procedures and illustrates the shape of some R2 -curves which can be expected in common settings. A detailed application to kidney transplant data is also presented. PMID- 29205453 TI - Localization of thrombospondin-1 and its receptor CD36 in the ovary of the ostrich (Struthio camelus). AB - Angiogenesis, the formation of new blood vessels from pre-existing vasculature, plays a decisive role for the rapid growth of avian follicles. Compared to mammals, few data on the angiogenesis in the avian ovary are available. However, whereas several pro-angiogenic factors in the avian ovary have been recently studied in detail, little information is available on the localization of anti angiogenic factors. The aim of this study was to determine the localization and possible function of the anti-angiogenic factor thrombospondin-1 (TSP-1) and its receptor CD36 in the ovary of the ostrich using immunohistochemistry and to correlate the results with ultrastructural data. Whereas the oocytes and granulosa cells of all follicular stages were negative for TSP-1, myofibroblasts of the theca externa and smooth muscle cells of blood vessels showed distinct reactions. A distinctly different staining pattern was observed for CD36. The oocytes were CD36 negative. No immunostaining for CD36 could be observed neither in the granulosa cells nor in the adjacent theca interna of vitellogenic follicles. In the theca externa, blood vessels protruding towards the oocyte showed CD36-positive endothelial cells. In conclusion, a fine balance between angiogenic and anti-angiogenic processes assures that a dense net of blood vessels develops during the rapid growth of a selected follicle. Anti-angiogenic molecules, such as TSP-1 and its receptor CD36 may, after the oocyte has reached its final size, inhibit further angiogenesis and limit the transport of yolk material to the mature oocyte. By this mechanism, the growth of the megalecithal oocyte during folliculogenesis may cease. PMID- 29205451 TI - Subdermal Ultrasound Contrast Agent Injection for Sentinel Lymph Node Identification: An Analysis of Safety and Contrast Agent Dose in Healthy Volunteers. AB - OBJECTIVES: Mapping of the lymphatic chain for identification of the sentinel lymph node (SLN) is an important aspect of predicting outcomes for patients with breast cancer, and it is usually performed as an intraoperative procedure using blue dye and/or radiopharmaceutical agents. Recently, the use of contrast enhanced ultrasound (CEUS) has been proposed as an alternative imaging technique for this mapping. The objective of this study was to evaluate the use of subdermal administration of the ultrasound (US) contrast agent Sonazoid (GE Healthcare, Oslo, Norway) in terms of patient safety and to select the dose to be used for lymphatic applications in humans. METHODS: This study was performed in 12 female volunteers who received bilateral subdermal injections of Sonazoid (1 or 2 mL dose) in the mid-upper outer quadrant of their breasts at 2 different time points. Contrast-enhanced US examinations were performed 0, 0.25, 0.5, 1, 2, 4, 6, and 24 hours after injection to identify SLNs. RESULTS: Sentinel lymph nodes were identified within the first hour after injection as enhanced structures, and there was no significant difference by dose in the number of SLNs identified (P = .74). The volunteers only had minor adverse experiences (AEs) that resolved completely without intervention by study completion. CONCLUSIONS: The subdermal use of Sonazoid in this study showed only minor local and nonsignificant AEs that were completely resolved without any intervention. Two different doses were compared with no significant differences observed between them. Hence, the lower dose studied (1 mL) was selected for use in future clinical studies. PMID- 29205454 TI - Joint mixed-effects models for causal inference with longitudinal data. AB - Causal inference with observational longitudinal data and time-varying exposures is complicated due to the potential for time-dependent confounding and unmeasured confounding. Most causal inference methods that handle time-dependent confounding rely on either the assumption of no unmeasured confounders or the availability of an unconfounded variable that is associated with the exposure (eg, an instrumental variable). Furthermore, when data are incomplete, validity of many methods often depends on the assumption of missing at random. We propose an approach that combines a parametric joint mixed-effects model for the study outcome and the exposure with g-computation to identify and estimate causal effects in the presence of time-dependent confounding and unmeasured confounding. G-computation can estimate participant-specific or population-average causal effects using parameters of the joint model. The joint model is a type of shared parameter model where the outcome and exposure-selection models share common random effect(s). We also extend the joint model to handle missing data and truncation by death when missingness is possibly not at random. We evaluate the performance of the proposed method using simulation studies and compare the method to both linear mixed- and fixed-effects models combined with g-computation as well as to targeted maximum likelihood estimation. We apply the method to an epidemiologic study of vitamin D and depressive symptoms in older adults and include code using SAS PROC NLMIXED software to enhance the accessibility of the method to applied researchers. PMID- 29205455 TI - The middle and inner ears of the Palaeogene golden mole Namachloris: A comparison with extant species. AB - Many living species of golden moles (Chrysochloridae) have greatly enlarged middle ear ossicles, believed to be used in the detection of ground vibrations through inertial bone conduction. Other unusual features of chrysochlorids include internally coupled middle ear cavities and the loss of the tensor tympani muscle. Our understanding of the evolutionary history of these characteristics has been limited by the paucity of fossil evidence. In this article, we describe for the first time the exquisitely preserved middle and inner ears of Namachloris arenatans from the Palaeogene of Namibia, visualised using computed tomography, as well as ossicles attributed to this species. We compare the auditory region of this fossil golden mole, which evidently did not possess a hypertrophied malleus, to those of three extant species with similarly sized ear ossicles, Amblysomus hottentotus, Calcochloris obtusirostris, and Huetia leucorhinus. The auditory region of Namachloris shares many common features with the living species, including a pneumatized, trabeculated basicranium and lateral skull wall, arteries and nerves of the middle ear contained in bony tubes, a highly coiled cochlea, a secondary crus commune, and no identifiable canaliculus cochleae for the perilymphatic duct. However, Namachloris differs from extant golden moles in the apparent absence of a basicranial intercommunication between the right and left ears, the possession of a tensor tympani muscle and aspects of ossicular morphology. One Namachloris skull showed what may be pneumatization of some of the dorsal cranial bones, extending right around the brain. Although the ossicles are small in absolute terms, one of the Huetia leucorhinus specimens had a more prominent malleus head than the other. This potentially represents a previously unrecognised subspecific difference. PMID- 29205456 TI - Automated production of [18 F]FTHA according to GMP. AB - 14-(R,S)-[18 F]fluoro-6-thia-heptadecanoic acid is a tracer for fatty acid imaging by positron emission tomography. High demand for this tracer required us to replace semiautomatic synthesis with a fully automated procedure. An automated synthesis device was constructed in-house for multistep nucleophilic 18 F fluorination and a control system was developed. The synthesis device was combined with a sterile filtration unit and both were qualified. 14-(R,S)-[18 F]fluoro-6-thia-heptadecanoic acid was produced according to good manufacturing practice guidelines set by the European Union. The synthesis includes an initial nucleophilic labelling reaction, deprotection, preparative HPLC separation, purification of the final product, and formulation for injection. The duration and temperature of the reaction and hydrolysis were optimized, and the radiochemical stability of the formulated product was determined. The rotary evaporator used to evaporate the solvent after HPLC purification was replaced with solid phase extraction purification. We also replaced the human serum albumin used in the earlier procedure with a phosphate buffer-ascorbic acid mixture in the final formulation solution. From 2011 to 2016, we performed 219 synthesis procedures, 94% of which were successful. The radiochemical yield of 14 (R,S)-[18 F]fluoro-6-thia-heptadecanoic acid, decay-corrected to the end of bombardment, was 13% +/- 6.3%. The total amount of formulated end product was 1.7 +/- 0.8 GBq at end of synthesis. PMID- 29205457 TI - Primary cutaneous secretory carcinoma: A previously overlooked low-grade sweat gland carcinoma. AB - INTRODUCTION: Twelve cases of primary cutaneous secretory carcinoma (PCSC) have been published, 9 showing ETV6-NTRK3 translocation, a characteristic finding shared with secretory breast carcinoma and mammary analogue secretory carcinoma. CASE REPORT: A 34-year-old female presented a solitary nodule on the right groin. Biopsy revealed a secretory carcinoma staining positive with CK7, CAM5.2, mammaglobulin and S100 and negative with GATA3, CK20, podoplanin, calponin and CDX2. ETV6-NTRK3 was demonstrated by Fluorescence in situ hybridization (FISH). DISCUSSION: PCSC is a rare neoplasm, described in the skin in 2009, that affects more frequently females with a mean age of 42.3 years and it is most commonly located in axilla. Histopathologically, these tumor cells are characterized by bubbly eosinophilic secretions diastase-resistant and bland nuclei and they are arranged in various growth patterns, including microcystic, tubular, solid and papillary. S100, mammoglobin and CK7 are usually positive. We review the main histopathological features to rule out histopathologic mimics such as breast metastasis, salivary tumors, cribriform carcinoma and primary cutaneous adenoid cystic carcinoma. GATA3 negative staining, as in our case, can help to rule out breast metastasis. Moreover, long-term benign follow up (144 months) in this case as well as follow-up data on outcomes from literature review support that PCSC is a low-grade sweat gland carcinoma. PMID- 29205458 TI - Multidisciplinary management of refractory insulinomas. AB - Insulinomas are predominantly benign (~90%), pancreatic neuroendocrine tumours characterized by hyperinsulinaemic hypoglycaemia. They usually present as a small (<2 cm), well-demarcated, solitary nodule that can arise in any part of the organ. Treatment for sporadic insulinomas is generally aimed at curative surgical resection with special consideration in genetic syndromes. Patients with significant hypoglycaemia can pose a difficult management challenge. In isolated cases where the patient is not medically fit for surgery or with metastatic spread, other treatment options are employed. Medical therapy with diazoxide or somatostatin analogues is commonly used first line for symptom control, albeit with variable efficacy. Other medical options are emerging, including newer targeted biological therapies, including everolimus (an mTOR inhibitor), sunitinib (a tyrosine kinase inhibitor) and pasireotide, a multisomatostatin receptor ligand. Pasireotide and everolimus both cause hyperglycaemia by physiological mechanisms synergistic with its antitumour/antiproliferative effects. Minimally invasive treatment modalities such as ethanol ablation are available in selected cases (particularly in patients unfit for surgery), peptide receptor radionuclide therapy (PRRT) can effectively control tumour growth or provide symptomatic benefit in metastatic disease, while cytotoxic chemotherapy can be used in patients with higher-grade tumours. This review considers the developments in the medical and other nonsurgical management options for cases refractory to standard medical management. Early referral to a dedicated neuroendocrine multidisciplinary team is critical considering the array of medical, oncological, interventional radiological and nuclear medical options. We discuss the evolving armamentarium for insulinomas when standard medical therapy fails. PMID- 29205459 TI - Histomorphological features of the tongue of the Eurasian teal (Anas crecca). AB - This study presents the histomorphological features of tongue in Eurasian teal (Anas crecca); the smallest extant dabbling duck. Heads of four adult males and four adult females were used in this study. The results illustrate a tongue with three different parts; the apex with a lingual nail in ventral surface, the body with a lingual prominence in caudal part and some large and small conical papillae in lateral sides and the root, that was covered with many conical papillae in different sizes. Histological results revealed two types of keratinized and non-keratinized epithelium covering parts of the tongue. The lingual salivary glands were observed in the lamina propria of the body and root of the tongue showed strongly periodic acid-Schiff (PAS)-positive reaction. The yellow adipose tissue was located under the lamina propria on the body and root of the tongue. The filiform papillae between the conical papillae of the body were arranged densely. The sensory organs, which contain sensory receptors (Grandry and Herbst corpuscles), were located in the lamina propria of the body of the tongue. In conclusion, the anatomical and histological structure of the Eurasian teal' tongue was generally similar to its family members such as domestic goose and duck but showed some differences that may be adoptions to the bird's habitat and mode of feeding. PMID- 29205460 TI - Successful treatment with i.v. immunoglobulin for localized cutaneous immunoglobulin light chain kappa-positive amyloidosis associated with dermatomyositis. PMID- 29205461 TI - Case of papuloerythroderma of Ofuji-like eruption during the course of bullous pemphigoid. PMID- 29205462 TI - Comprehensive management reduces incidence and mortality of acute chest syndrome in patients with sickle cell disease. PMID- 29205463 TI - Mode of birth and postnatal health-related quality of life after one previous cesarean in three European countries. AB - BACKGROUND: How a woman gives birth can affect her health-related quality of life (HRQoL). This study explored HRQoL at 3 months postpartum in women with a history of one previous cesarean in three European countries. METHODS: A prospective longitudinal survey, embedded within a cluster randomized trial in three countries, exploring women's postnatal HRQoL up to 3 months postpartum. The Short Form Six-Dimensions (SF-6D) was used to measure HRQoL, and multivariate analyses were used to examine the relationship with mode of birth. RESULTS: Complete data were available from 880 women. Women with a spontaneous vaginal birth had the highest HRQoL scores, whereas women with an emergency repeat cesarean (P = .01) had the lowest. Postnatal readmission of the mother (P = .03), having public health insurance (P = .04), and a low antenatal HRQoL score (P < .01) contributes to poorer HRQoL scores. More specifically, women with a spontaneous vaginal birth had significantly higher HRQoL scores on the vitality dimension compared with women with an emergency repeat cesarean (P = .04). CONCLUSIONS: In women with low risk factors, repeat cesareans result in a poorer HRQoL compared with vaginal birth. When there are no contraindications for vaginal birth, women with a history of one previous cesarean should be encouraged to give birth vaginally rather than have an elective repeat cesarean. PMID- 29205464 TI - Interleukin-17 family cytokines in protective immunity against infections: role of hematopoietic cell-derived and non-hematopoietic cell-derived interleukin-17s. AB - Interleukin-17 family cytokines, consisting of six members, participate in immune response in infections and autoimmune and inflammatory diseases. The prototype cytokine of the family, IL-17A, was originally identified from CD4+ T cells which are now termed Th17 cells. Later, IL-17A-producing cells were expanded to include various hematopoietic cells, namely CD8+ T cells (Tc17), invariant NKT cells, gammadelta T cells, non-T non-B lymphocytes (termed type 3 innate lymphoid cells) and neutrophils. Some IL-17 family cytokines other than IL-17A are also expressed by CD4+ T cells: IL-17E by Th2 cells and IL-17F by Th17 cells. IL-17A and IL-17F induce expression of pro-inflammatory cytokines to induce inflammation and anti microbial peptides to kill pathogens, whereas IL-17E induces allergic inflammation. However, the functions of other IL-17 family cytokines have been unclear. Recent studies have shown that IL-17B and IL-17C are expressed by epithelial rather than hematopoietic cells. Interestingly, expression of IL-17E and IL-17F by epithelial cells has also been reported and epithelial cell-derived IL-17 family cytokines shown to play important roles in immune responses to infections at epithelial sites. In this review, we summarize current information on hematopoietic cell-derived IL-17A and non-hematopoietic cell-derived IL-17B, IL-17C, IL-17D, IL-17E and IL-17F in infections and propose functional differences between these two categories of IL-17 family cytokines. PMID- 29205465 TI - Gross anatomy of the heart of the alpaca (Vicugna pacos, Linnaeus 1758). AB - The available information about anatomical characteristics of the cardiovascular system of the alpaca (Vicugna pacos, Linnaeus 1758) is scarce. The general objective of this work was to describe its heart anatomy. We dissected six adult animals and five neonates. The heart of the alpaca was located in the middle mediastinum, with a craniocaudal extension from the third to the sixth rib. No ligament that connected the fibrous pericardium to the sternum or to the diaphragm was detected. In the right atrium, there was a developed crista terminalis and small pectinate muscles. In the right ventricle, the septomarginal trabecula was very large. From the proximities of the interventricular septum arose small septomarginal trabeculae that ended in carnous trabeculae of the septal wall. The left atrium included little developed pectinate muscles. On the left ventricle, both papillary muscles were bilobed. Two left septomarginal trabeculas were detected in this ventricle. The left subclavian artery was originated from the aortic arch separately from the brachiocephalic trunk, and bicarotid trunk was present. The other branches of the subclavian artery were similar to the domestic ruminants. The arterial supply of the heart was of the right type. In conclusion, the heart anatomy of alpaca and the irrigation of thoracic cavity were more similar to those of old world camels and different from domestic ruminants. PMID- 29205466 TI - Ischemic core thresholds change with time to reperfusion: A case control study. AB - INTRODUCTION: We aimed to identify whether acute ischemic stroke patients with known complete reperfusion after thrombectomy had the same baseline computed tomography perfusion (CTP) ischemic core threshold to predict infarction as thrombolysis patients with complete reperfusion. METHODS: Patients who underwent thrombectomy were matched by age, clinical severity, occlusion location, and baseline perfusion lesion volume to patients who were treated with intravenous alteplase alone from the International Stroke Perfusion Imaging Registry. A pixel based analysis of coregistered pretreatment CTP and 24-hour diffusion-weighted imaging (DWI) was then undertaken to define the optimum CTP thresholds for the ischemic core. RESULTS: There were 132 eligible thrombectomy patients and 132 matched controls treated with alteplase alone. Baseline National Institutes of Health Stroke Scale (median, 15; interquartile range [IQR], 11-19), age (median, 65; IQR, 59-80), and time to intravenous treatment (median, 153 minutes; IQR, 82 315) were well matched (all p > 0.05). Despite similar baseline CTP ischemic core volumes using the previously validated measure (relative cerebral blood flow [rCBF], <30%), thrombectomy patients had a smaller median 24-hour infarct core of 17.3ml (IQR, 11.3-32.8) versus 24.3ml (IQR, 16.7-42.2; p = 0.011) in alteplase treated controls. As a result, the optimal threshold to define the ischemic core in thrombectomy patients was rCBF <20% (area under the curve [AUC], 0.89; 95% CI, 0.84, 0.94), whereas in alteplase controls the optimal ischemic core threshold remained rCBF <30% (AUC, 0.83; 95% CI, 0.77, 0.85). INTERPRETATION: Thrombectomy salvaged tissue with lower CBF, likely attributed to earlier reperfusion. For patients who achieve rapid reperfusion, a stricter rCBF threshold to estimate the ischemic core should be considered. Ann Neurol 2017;82:995-1003. PMID- 29205467 TI - Design, synthesis, in silico and antiproliferative evaluation of novel pyrazole derivatives as VEGFR-2 inhibitors. AB - As the blockade of the VEGFR-2 signaling pathway is a viable approach in cancer therapy, the present study focuses on a series of pyrazole based VEGFR-2 inhibitors that were designed on the basis of the hybridization approach, supported by docking and in silico computational studies. The designed compounds were synthesized through facile synthetic methods and the structures were confirmed by 1 H NMR, 13 C NMR, MS and elemental analysis. The compounds were screened for in vitro antiproliferative activity against the HT-29 (human colon cancer) and MCF-7 (human breast cancer) cell lines by MTT assay. The compounds were also studied for in vitro inhibitory activity against VEGFR-2 kinase. Among all the tested compounds, compound 6h emerged as a potent agent in the antiproliferative study against HT-29 and MCF-7 cells, with IC50 values of 2.36 and 6.59 MUM, respectively. Moreover, the same compound exhibited the highest VEGFR-2 inhibitory activity with an IC50 value of 1.89 MUM. In docking studies, the designed compounds showed similar and essential key interactions as those of known VEGFR-2 inhibitors. The present study may lead to new molecules in the development of anticancer agents targeting VEGFR-2. PMID- 29205469 TI - Expertise in physiological breech birth: A mixed-methods study. AB - BACKGROUND: The safety of vaginal breech birth depends on the expertise of birth attendants, yet the meaning of "expertise" remains unclear and subjectively defined. The objective of this study was to define expertise and the roles experts may play in expanding access to this service. METHODS: We performed an integrative analysis of two strands of data concerning expertise in physiological breech birth, including the following: survey data from a Delphi study involving 26 very experienced clinicians (mean experience = 135 breech births) and 2 service user representatives, and interviews from a grounded theory study of 14 clinicians more moderately experienced with physiological methods (5-30 upright breech births). Data were pooled and analyzed using constant comparative methods. RESULTS: Expertise is defined by its ongoing function, the generation of comparatively good outcomes, and confidence and competence among colleagues. Although clinical experience is important, expertise is developed and expressed in social clinical roles, which expand as experience grows: clinician, mentor, specialist, and expert. To develop expertise within a service, clinicians who have an interest in breech birth should be supported to perform these roles within specialist teams. CONCLUSIONS: Specialist breech teams may facilitate the development of expertise within maternity care settings. Evaluation of expertise based on enablement of women and colleagues, as well as outcomes, will potentially avoid the pitfalls of alienation produced by some forms of specialist authority. PMID- 29205468 TI - Case of epidermolysis bullosa acquisita with concomitant anti-laminin-332 antibodies. AB - Subepidermal autoimmune blistering disease including bullous pemphigoid, pemphigoid gestationis, mucous membrane pemphigoid, anti-laminin-gamma1 pemphigoid, linear immunoglobulin A bullous disease and epidermolysis bullosa acquisita (EBA), are all characterized by direct immunofluorescence microscopy or immunoglobulin deposition on the basement membrane zone. Among them, EBA is a rare acquired subepidermal autoimmune blistering disease of the skin and mucous membranes reactive with type VII collagen, a major component of the epidermal basement membrane zone. Anti-laminin-332-type mucous membrane pemphigoid has pathogenic autoantibodies against laminin-332, which is a basement membrane heterotrimeric protein composed of alpha3, beta3 and gamma2 laminin chains. We describe a 73-year-old Japanese man presenting with multiple, annular, tense blisters on the lower legs and oral lesions. Despite the severe clinical manifestations, the disease was successfully controlled by combination therapy of oral prednisolone and mizoribine. This case was confirmed to have autoantibodies to both type VII collagen and laminin-332 alpha3 chain by indirect immunofluorescence of 1 mol NaCl-split normal human skin, various immunoblot analyses and enzyme-linked immunosorbent assays. This case was a rare case of EBA with concomitant anti-laminin-332 antibodies. PMID- 29205470 TI - New onset of psoriasis during nivolumab treatment for lung cancer. PMID- 29205471 TI - Gender and mental health: An examination of procedural justice in a specialized court context. AB - The procedural justice framework has been applied in the criminal justice contexts of policing, corrections, and courts. According to this perspective, fair treatment, respectful dialogue and being given a proper voice will contribute to citizens' positive views of authority figures. While this literature has grown immensely, several questions remain unanswered. Do males and females perceive similar levels of procedural justice? Does mental health status influence perceptions of fair treatment? Whether procedural justice is a general perspective that can be applied across social groupings has important implications for correctional treatment in that programs that truly "work" for all are more cost-effective. Toward that end, the current study investigates the relationships among procedural justice perceptions, gender, and mental health status in specialized drug courts, a context that has received little empirical attention. We do so using secondary data originally collected between 2003 and 2009 for Rossman, Roman, Zweig, Rempel and Lindquist's Multisite Adult Drug Court Evaluation (MADCE). Results from a full-sample analysis reveal that women report higher levels of procedural justice; that drug court participation significantly influences procedural justice perceptions; and that depressive symptomology is a significant predictor of procedural justice perceptions. In male- and female specific subsamples, drug court participation exerts similar effects for males and females, as does depressive symptomology. Implications for theory, research, and practice are discussed. PMID- 29205473 TI - In situ evaluation of surface roughness and micromorphology of temporary soft denture liner materials at different time intervals. AB - OBJECTIVE: To perform an in situ evaluation of surface roughness and micromorphology of two soft liner materials for dentures at different time intervals. BACKGROUND: The surface roughness of materials may influence the adhesion of micro-organisms and inflammation of the mucosal tissues. The in situ evaluation of surface roughness and the micromorphology of soft liner materials over the course of time may present results different from those of in vitro studies, considering the constant presence of saliva and food, the changes in temperature and the pH level in the oral cavity. MATERIALS AND METHODS: Forty eight rectangular specimens of each of the two soft liner materials were fabricated: a silicone-based material (Mucopren Soft) and an acrylic resin-based material (Trusoft). The specimens were placed in the dentures of 12 participants (n = 12), and the materials were evaluated for surface roughness and micromorphology at different time intervals: 0, 7, 30 and 60 days. Roughness (Ra) was evaluated by means of a roughness tester. Surface micromorphology was evaluated by scanning electron microscopy. RESULTS: Analysis of variance for randomised block design and Tukey's test showed that surface roughness values were lower in the groups using the silicone-based material at all the time intervals (P < .0001). The average surface roughness was higher at time interval 0 than at the other intervals, for both materials (P < .0001). The surface micromorphology showed that the silicone material presented a more regular and smoother surface than the acrylic resin-based material. CONCLUSION: The surface roughness of acrylic resin-based and silicone-based denture soft liner materials decreased after 7 days of evaluation, leading to a smoother surface over time. The silicone-based material showed lower roughness values and a smoother surface than the acrylic resin-based material, thereby making it preferred when selecting more appropriate material, due its tendency to promote less biofilm build-up. PMID- 29205474 TI - Successful treatment of facial milia in an infant with orofaciodigital syndrome type 1. AB - We report the successful treatment of multiple facial milia with manual extraction and tretinoin in a child with orofaciodigital syndrome type 1. Treatment with topical medications may be insufficient in individuals with orofaciodigital syndrome type 1, and pitted scarring is often a sequala. This case demonstrates that manual extraction is well tolerated and effective in the treatment of multiple milia. In addition, clinicians need to be aware of this rare genetic condition, which commonly presents de novo and can lead to significant morbidity if untreated. PMID- 29205475 TI - Single-unit activities during the transition to seizures in deep mesial structures. AB - Focal seizures are assumed to arise from a hypersynchronous activity affecting a circumscribed brain region. Using microelectrodes in seizure-generating deep mesial regions of 9 patients, we investigated the firing of hundreds of single neurons before, during, and after ictal electroencephalogram (EEG) discharges. Neuronal spiking activity at seizure initiation was highly heterogeneous and not hypersynchronous. Furthermore, groups of neurons showed significant changes in activity minutes before the seizure with no concomitant changes in the corresponding macroscopic EEG recordings. Altogether, our findings suggest that only limited subsets of neurons in epileptic depth regions initiate the seizure onset and that ictogenic mechanisms operate in submillimeter-scale microdomains. Ann Neurol 2017 Ann Neurol 2017;82:1022-1028. PMID- 29205476 TI - Subcutaneous granuloma annulare involving the scalp. AB - Subcutaneous granuloma annulare (SGA) is an uncommon subtype of granuloma annulare. There are few reports of this entity solely affecting the scalp. We report a case of biopsy-proven SGA in a 21-month-old boy with six asymptomatic, rock-hard scalp nodules. PMID- 29205472 TI - Progressive deafness-dystonia due to SERAC1 mutations: A study of 67 cases. AB - OBJECTIVE: 3-Methylglutaconic aciduria, dystonia-deafness, hepatopathy, encephalopathy, Leigh-like syndrome (MEGDHEL) syndrome is caused by biallelic variants in SERAC1. METHODS: This multicenter study addressed the course of disease for each organ system. Metabolic, neuroradiological, and genetic findings are reported. RESULTS: Sixty-seven individuals (39 previously unreported) from 59 families were included (age range = 5 days-33.4 years, median age = 9 years). A total of 41 different SERAC1 variants were identified, including 20 that have not been reported before. With the exception of 2 families with a milder phenotype, all affected individuals showed a strikingly homogeneous phenotype and time course. Severe, reversible neonatal liver dysfunction and hypoglycemia were seen in >40% of all cases. Starting at a median age of 6 months, muscular hypotonia (91%) was seen, followed by progressive spasticity (82%, median onset = 15 months) and dystonia (82%, 18 months). The majority of affected individuals never learned to walk (68%). Seventy-nine percent suffered hearing loss, 58% never learned to speak, and nearly all had significant intellectual disability (88%). Magnetic resonance imaging features were accordingly homogenous, with bilateral basal ganglia involvement (98%); the characteristic "putaminal eye" was seen in 53%. The urinary marker 3-methylglutaconic aciduria was present in virtually all patients (98%). Supportive treatment focused on spasticity and drooling, and was effective in the individuals treated; hearing aids or cochlear implants did not improve communication skills. INTERPRETATION: MEGDHEL syndrome is a progressive deafness-dystonia syndrome with frequent and reversible neonatal liver involvement and a strikingly homogenous course of disease. Ann Neurol 2017;82:1004-1015. PMID- 29205477 TI - Quantitative comparison of delayed ferumoxytol T1 enhancement with immediate gadoteridol enhancement in high grade gliomas. AB - PURPOSE: Delayed ferumoxytol enhancement on T1 -weighted images appears visually similar to gadoteridol enhancement. The purpose of this study was to quantitatively compare ferumoxytol T1 enhancement to gadoteridol enhancement with an objective, semi-automated method. METHODS: 206 sets of post-gadoteridol and 24 h post-ferumoxytol T1 -weighted scans from 58 high grade glioma patients were analyzed (9 pre-chemoradiation, 111 < 90 days post-chemoradiation, 21 > 90 days post-chemoradiation, 65 post-bevacizumab scans). Enhancement volumes and signal intensities normalized to normal appearing tissue proximal to enhancement were calculated with a semi-automated method. Enhancement cube root volumes (D) and signal intensities (SI) were compared between the 2 contrast agents, and relative difference of D and SI were compared in different treatment groups with multivariate analysis. Within patient differences in D and SI before and after treatment with bevacizumab or steroid were assessed in 26 patients in each treatment group. RESULTS: When compared to gadoteridol, ferumoxytol D was 13.83% smaller and SI was 7.24% lower (P < 0.0001). The relative differences in D and SI between the 2 contrast agents were not significantly different between treatment groups (P > 0.05). Relative difference in D and SI did not change significantly in response to bevacizumab (P = 0.5234 and P = 0.2442, respectively) or to steroid (P = 0.3774, P = 0.0741) in the within patient comparison. CONCLUSION: The correlation between the 2 contrast agents' enhancement size and signal intensity and their similar behavior in response to therapy suggest that ferumoxytol can be used for revealing enhancement in high grade glioma patients. Magn Reson Med 80:224-230, 2018. (c) 2017 International Society for Magnetic Resonance in Medicine. PMID- 29205478 TI - Preclinical models for orthopedic research and bone tissue engineering. AB - In this review, we broadly define and discuss the preclinical rodent models that are used for orthopedics and bone tissue engineering. These range from implantation models typically used for biocompatibility testing and high throughput drug screening, through to fracture and critical defect models used to model bone healing and severe orthopedic injuries. As well as highlighting the key methods papers describing these techniques, we provide additional commentary based on our substantive practical experience with animal surgery and in vivo experimental design. This review also briefly touches upon the descriptive and functional outcome measures and power calculations that are necessary for an informative study. Obtaining informative and relevant research outcomes can be very dependent on the model used, and we hope this evaluation of common models will serve as a primer for new researchers looking to undertake preclinical bone studies. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:832-840, 2018. PMID- 29205479 TI - Excellent response to ustekinumab in a 9-year-old girl with severe psoriasis. AB - We report the case of a 9-year-old girl with severe plaque psoriasis refractory to multiple topical and systemic therapies. Physical examination revealed extensive, erythematous plaques with overlying thick scales that covered more than 80% of her body surface area, which included the face, scalp, trunk, and limbs. Because of the severity of the disease and lack of treatment response to other systemic therapies, she was treated with ustekinumab. Three weeks after ustekinumab was initiated, her psoriatic lesions fully cleared. PMID- 29205480 TI - A z-gradient array for simultaneous multi-slice excitation with a single-band RF pulse. AB - PURPOSE: Multi-slice radiofrequency (RF) pulses have higher specific absorption rates, more peak RF power, and longer pulse durations than single-slice RF pulses. Gradient field design techniques using a z-gradient array are investigated for exciting multiple slices with a single-band RF pulse. THEORY AND METHODS: Two different field design methods are formulated to solve for the required current values of the gradient array elements for the given slice locations. The method requirements are specified, optimization problems are formulated for the minimum current norm and an analytical solution is provided. A 9-channel z-gradient coil array driven by independent, custom-designed gradient amplifiers is used to validate the theory. RESULTS: Performance measures such as normalized slice thickness error, gradient strength per unit norm current, power dissipation, and maximum amplitude of the magnetic field are provided for various slice locations and numbers of slices. Two and 3 slices are excited by a single band RF pulse in simulations and phantom experiments. CONCLUSION: The possibility of multi-slice excitation with a single-band RF pulse using a z-gradient array is validated in simulations and phantom experiments. Magn Reson Med 80:400-412, 2018. (c) 2017 International Society for Magnetic Resonance in Medicine. PMID- 29205482 TI - Low-frequency ESR studies on permeable and impermeable deuterated nitroxyl radicals in corn oil solution. AB - Low-frequency electron spin resonance studies were performed for 2 mM concentration of deuterated permeable and impermeable nitroxyl spin probes, 3 methoxycarbonyl-2,2,5,5-tetramethyl-pyrrolidine-1-oxyl and 3-carboxy-2,2,5,5, tetramethyl-1-pyrrolidinyloxy in pure water and various concentrations of corn oil solution. The electron spin resonance parameters such as the line width, hyperfine coupling constant, g factor, rotational correlation time, permeability, and partition parameter were estimated. The broadening of line width was observed for nitroxyl radicals in corn oil mixture. The rotational correlation time increases with increasing concentration of corn oil, which indicates the less mobile nature of spin probe in corn oil mixture. The membrane permeability and partition parameter values were estimated as a function of corn oil concentration, which reveals that the nitroxyl radicals permeate equally into the aqueous phase and oil phase at the corn oil concentration of 50%. The electron spin resonance spectra demonstrate the permeable and impermeable nature of nitroxyl spin probes. From these results, the corn oil concentration was optimized as 50% for phantom studies. In this work, the corn oil and pure water mixture phantom models with various viscosities correspond to plasma membrane, and whole blood membrane with different hematocrit levels was studied for monitoring the biological characteristics and their interactions with permeable nitroxyl spin probe. These results will be useful for the development of electron spin resonance and Overhauser-enhanced magnetic resonance imaging modalities in biomedical applications. PMID- 29205483 TI - Mechanical properties of Triclosan sutures. AB - To avoid infections and wound healing disorders, Triclosan coated sutures have been invented. Little is known of these sutures regarding their tensile properties. Three different Triclosan coated sutures (Vicryl 1 plus, PDS 0 plus, Monocryl 3-0 plus) were tested at several time points over 42 days regarding load to failure, strain, and stiffness compared to their non-coated versions (Vicryl 1, PDS 0, Monocryl 3-0). Four different measurement points were made. Suture loops were fixed in a material testing machine over two metal bars which were moved apart creating a stress to the fiber. Unpaired, two-tailed t-test were performed for each group (untreated and treated) while level of significance was defined at a level of p < 0.05. Vicryl 1 was significantly stronger on day 14 than Vicryl 1 plus (p = 0.033). On day 28, significant changes were found in PDS 0 which was weaker compared to PDS 0 plus (p = 0.039) and Vicryl 1 which was stronger than Vicryl 1 plus (p = 0.032). We have seen that Vicryl 1 plus sutures are significantly weaker according to loading to failure after 14 and 28 days, which might cause incisional hernias. PDS 0 sutures are used to reconstruct tendons, therefore a longer durableness might be of interest as re-ruptures of tendons are problematic. Our in vitro findings support, the use of Triclosan coated PDS plus sutures and Vicryl sutures as they show a longer resistance. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1777-1782, 2018. PMID- 29205484 TI - Subclinical left ventricular systolic and diastolic dysfunction in type 1 diabetic children and adolescents with good metabolic control. AB - OBJECTIVE: Cardiac dysfunction is a well-known consequence of diabetes mellitus. This study was designed to assess whether type 1 diabetic children and adolescents with good metabolic control have early echocardiographic signs of subclinical left ventricular dysfunction and whether diabetes duration has any influence, using conventional and nonconventional echocardiographic tools. METHODS: A total of 100 patients with type 1 diabetes mellitus and 80 gender- and age-matched healthy controls were included. The cases underwent standard conventional transthoracic echocardiography, tissue Doppler imaging, and two dimensional speckle tracking echocardiography. None of the diabetic patients had signs of renal, retinal, or neurological complications of the disease, and all were good metabolic control (mean HbA1c <7.5%). RESULTS: There was no difference among groups in relation to age, sex, body mass index, and blood pressure. Conventional echocardiographic parameters were similar between diabetic and nondiabetic subjects except increased mitral valve peak A-wave and significantly lower mitral E/A ratio in diabetics. Diabetic patients had more advanced diastolic dysfunction with TDI analysis. In the diabetic group, left ventricular global longitudinal, circumferential, and radial strain and strain rate were significantly lower compared with the controls. There was a positive correlation between diabetes duration and cardiac dysfunction. CONCLUSION: The results of this study showed that the diabetic children and adolescents with good metabolic control had diastolic dysfunction when assessed with either conventional or tissue Doppler echocardiography. Also diabetic patients had subclinical LV systolic dysfunction with a normal LVEF which can be detected with 2D speckle tracking echocardiography. PMID- 29205485 TI - Combination of increased visceral fat and long segment involvement: Development and validation of an updated imaging marker for differentiating Crohn's disease from intestinal tuberculosis. AB - BACKGROUND AND AIM: Computed tomographic (CT) features (long segment, ileocaecal area involvement, and lymph nodes > 1 cm) have demonstrated good specificity but poor sensitivity, while visceral to subcutaneous fat ratio on CT (VF/SC > 0.63) has moderate sensitivity and specificity in differentiating Crohn's disease (CD) and intestinal tuberculosis (ITB). This study aims to develop and validate an updated model incorporating CT features and VF/SC to improve the diagnostic accuracy of imaging in differentiating CD/ITB. METHODS: Computed tomographic features and VF/SC were documented in two cohorts (development [n = 59, follow up: January 2012 to November 2014] and validation [n = 69, follow-up: December 2014 to December 2015]) of CD/ITB patients diagnosed by standard criteria. Patients with normal CT were excluded. Features significantly different between CD/ITB were incorporated into a model. RESULTS: In both the cohorts, necrotic lymph nodes were exclusive for ITB (23.1% vs 0% and 43.3% vs 0%), while long segment involvement (57.6% vs 7.7%, P < 0.001, and 52.6% vs 16.1%, P < 0.001) and VF/SC ratio > 0.63 (72.7% vs 19.2%, P < 0.001, and 81.6% vs 25.8%, P < 0.001) were significantly more common in CD. A risk score of 2, based upon long segment involvement and VF/SC ratio > 0.63, had an excellent specificity of 100% and 100% and sensitivity of 54% and 50% for CD in development and validation cohorts, respectively. Based upon these features, in 43% patients with the diagnostic dilemma of CD/ITB, a definite diagnosis based only on imaging could be made. CONCLUSION: Necrotic lymph nodes are exclusive for ITB, and the combination of long segment involvement and VF/SC ratio > 0.63 is exclusive for CD, and these features can make a definite diagnosis in 43% patients with a CD/ITB dilemma. PMID- 29205486 TI - Induction of axon growth in the adult brain: A new approach to restoration in Parkinson's disease. PMID- 29205488 TI - Single stage functional reconstruction of both peroneal tendons and overlying skin with an anterolateral thigh flap and vascularized fascia lata: A case report. AB - Reconstruction of complex soft tissue defects in the distal lower leg remains challenging, since anatomical constraints limit the local options available in this area. In this report, we present a case of single stage functional reconstruction of both peroneal tendons and overlying skin with an anterolateral thigh flap and vascularized fascia lata. A 55-year-old patient underwent wide excision of a synovial sarcoma in the distal lower leg, which resulted in a complex defect including the peroneus longus and brevis tendons (10 cm), and the overlying skin (14 * 8 cm). Functional reconstruction was achieved in a single stage with a composite anterolateral thigh flap with vascularized fascia lata of similar dimensions to those of the defect. The fascia lata component of the flap was longitudinally split in two segments. Each of them was rolled up, and that way, two separate vascularized neotendons were created. The neotendons bridged the gap of peroneal tendons, whereas the skin paddle of the flap provided stable soft tissue coverage to the reconstructed tendons. Flap pedicle was anastomosed to the anterior tibial vessels. Early and late postoperative periods were uneventful. Follow up at 1 year postoperatively showed excellent neotendon incorporation, as well as a very good functional and aesthetic outcome. The use of the method described may be a useful alternative in single stage functional reconstruction of composite defects comprising two or even more tendons and the overlying skin. PMID- 29205487 TI - The impact of unfractionated heparin or bivalirudin on patients with stable coronary artery disease undergoing percutaneous coronary intervention. AB - OBJECTIVES: To compare bleeding and clinical events of patients with stable angina or silent ischemia undergoing percutaneous coronary intervention (PCI) treated with unfractionated heparin (UFH) or bivalirudin. BACKGROUND: Few direct comparisons between UFH monotherapy versus bivalirudin exist for patients with stable ischemic heart disease undergoing PCI. METHODS: A prospective, investigator-initiated, single-center, single-blinded, randomized trial of UFH versus bivalirudin was conducted. The primary endpoint was all bleeding (major and minor) from index-hospitalization to 30 days post discharge. Secondary endpoints included major adverse cerebral and cardiovascular events (MACCE) and net adverse clinical events (NACE). RESULTS: Two-hundred-sixty patients were randomized for treatment with either UFH (n = 123) (47%) or bivalirudin (n = 137) (53%) There were no significant differences in baseline clinical and angiographic characteristics between the two groups. Primary endpoint was similar in both groups (10.9% with bivalirudin vs 7.3% with UFH [P = 0.31]). Major bleeding rates were 5.8% and 2.4%, respectively (P = 0.17). There was a higher MACCE (3.5% vs 0%, P = 0.03) and NACE (8.8% vs 2.4%, P = 0.03) rate with bivalirudin compared to UFH, respectively. Bivalirudin had increased odds of NACE (OR = 3.65, 95% CI: 1.00-13.3.6). Death and stent thrombosis rates were low and similar in both groups. Radial access was associated with fewer bleeding events compared to femoral access but not statistically significant (P = 0.29). CONCLUSIONS: Among patients with stable angina or silent ischemia, there was no difference between UFH and bivalirudin in bleeding rates up to 30-days post-PCI. MACCE and NACE were higher among the bivalirudin group. Radial access was associated with a numerically lower rate of bleeding compared with femoral access. PMID- 29205489 TI - Beyond the lysosome: Cholesterol role on endoplasmic reticulum and lipid droplets in Parkinson's disease. PMID- 29205490 TI - National conservation science conferences as a means of bridging conservation science and practice. PMID- 29205491 TI - Prognostic Value of Cardiac Troponin I and L-Lactate in Blood of Dairy Cows Affected by Downer Cow Syndrome. AB - BACKGROUND: The downer cow syndrome (DCS) is a challenging health issue in the dairy industry. No cow-side test is available to provide an accurate prognosis for DCS cases in farm settings. HYPOTHESIS/OBJECTIVES: Local or systemic hypoperfusion and myocardial lesions lead to an increase in blood concentration of biomarkers cardiac troponin I (cTnI) and L-lactate. The objective was to determine the prognostic values of these biomarkers assessed cow-sides in addition to clinical examinations in prognostication of a negative outcome (NO: death or euthanasia within 7 days). ANIMALS: 218 client-owned dairy cows affected by DCS. METHODS: In a prospective study, animals were monitored for 60 days after inclusion of each cow. Blood cTnI and L-lactate concentrations were measured on the day of inclusion. The prognostic accuracy of both biomarkers and physical examination variables was estimated to predict NO. A mixed multivariable logistic regression model was used for data analysis. RESULTS: Prevalence of NO in this study was 63% on day 7. Troponin concentrations greater than 0.7 ng/mL had sensitivity and specificity of 54.1% (95% CI: 45.3-62.7%) and 78.4% (95% CI: 67.3 87.1%), respectively, for predicting NO. Blood L-lactate was not associated with the outcome. The multivariable model revealed that heart rate >100 bpm (OR; 95% CI: 3.7; 1.3-10.2) and cTnI > 0.7 ng/mL (OR; 95% CI: 5.5; 2.1-14.6) were associated with the risk of NO. CONCLUSIONS AND CLINICAL IMPORTANCE: Hypertroponinemia and tachycardia were associated with reduced survival in DCS cases. The use of cow-side blood cTnI concentrations and heart rate could help to rapidly identify cows in farm setting that have poor chances of recovery and would benefit from a more aggressive treatment or euthanasia. PMID- 29205492 TI - 9-month results of polymer-free sirolimus eluting stents in young patients compared to a septuagenarian and octogenarian all-comer population. AB - OBJECTIVES: To evaluate the 9-month safety and efficacy of polymer-free sirolimus eluting drug eluting stents in septuagenarians and octogenarians. METHODS: An all comer, worldwide single armed trial (ClinicalTrials.gov Identifier NCT02629575) was conducted to demonstrate the safety and efficacy of an ultra-thin strut, polymer-free sirolimus eluting stent (PF-SES). The primary endpoint was the 9 month target revascularization rate (TLR). Secondary endpoints included the rates of major adverse cardiac events (MACE), stent thrombosis (ST) and bleeding (BARC) in septuagenarians (>=70 years, <80 years), and in octogenarians (>=80 years) to be compared to the younger patient group (<70 years). RESULTS: A total of 1607 patients were treated with PF-SES in the sub-70-year-old age group, 694 in septuagenarians, and 371 in the octogenarian patient group. At 9 months, the MACE rates were 7.2% in octogenarians, 5.3% in septuagenarians, and 3.0% in the younger patient group (P = 0.001). These were mostly driven by all-cause mortality (4.4% vs 1.9% vs 0.6%, P < 0.001) while the TLR rates were only numerically lower in the younger age group (P = 0.080). BARC 1-5 bleeding events were more frequent in the older age group (1.9% vs 2.7% vs 4.6%, P = 0.012) whereas the rates for ST were not different (0.7% vs 0.6% vs 0.6%, P = 0.970). CONCLUSIONS: In octogenarians treated with PF-SES, the rates for MACE, overall mortality, and bleeding are higher as compared to the younger age groups. However, the rates for TLR and ST were not significantly different across the investigated age groups. PF-SES are safe and effective in octogenarians. PMID- 29205494 TI - Acral-accentuated exanthem in an infant with parechovirus meningitis. AB - We report a case of an infant who had presented with fever and an acral accentuated rash, for which his cerebrospinal fluid returned positive for parechovirus. He was treated symptomatically and discharged well, with no long term complications. PMID- 29205493 TI - Impact of Pretreatment Neutrophil Count on Chemotherapy Administration and Toxicity in Dogs with Lymphoma Treated with CHOP Chemotherapy. AB - BACKGROUND: Prechemotherapy absolute neutrophil count (ANC) cutoffs are arbitrary and vary across institutions and clinicians. Similarly, subjective guidelines are utilized for the administration of prophylactic antibiotics in neutropenic dogs. OBJECTIVES: To evaluate the impact of various ANC cutoffs on chemotherapy administration in dogs with lymphoma treated with CHOP chemotherapy and to determine whether an association between prechemotherapy ANC and subsequent toxicity exists. The secondary objective was to evaluate a currently used ANC cutoff to indicate prescription of prophylactic antibiotics. ANIMALS: Dogs diagnosed with lymphoma treated with CHOP chemotherapy (n = 64). METHODS: Six hundred and fifteen ANCs were stratified into 6 classes. The 3 ANC cutoffs 1.5 * 103 /MUL, 2.0 * 103 /MUL, and 2.5 * 103 /MUL were assessed. The presence of an association between prechemotherapy ANC class and toxicity was determined. Afebrile neutropenic dogs with ANC <1.5 * 103 /MUL but above the criteria for prophylactic antibiotics were evaluated. RESULTS: Chemotherapy was not administered in 7% of visits with an ANC cutoff of 1.5 * 103 /MUL; chemotherapy would not have been administered in 10% and 16% of visits with an ANC cutoff of 2.0 * 103 /MUL or 2.5 * 103 /MUL, respectively. There was no association among the 3 lower prechemotherapy ANC classes and toxicity. All dogs with ANC 0.75-1.5 * 103 /MUL recovered spontaneously without medical intervention. CONCLUSION AND CLINICAL IMPORTANCE: The number of dose delays was minimized with a prechemotherapy ANC cutoff of 1.5 * 103 /MUL, and the prechemotherapy ANC class 1.5-1.99 * 103 /MUL was not associated with an increased toxicity. Further investigation of an ANC cutoff near 0.75 * 103 /MUL in which to prescribe prophylactic antibiotics is indicated. PMID- 29205495 TI - The premotor syndrome of cervical dystonia: Disordered processing of salient environmental stimuli. PMID- 29205496 TI - Critical caring theory and public health nursing advocacy for comprehensive sexual health education. AB - Public health nurses (PHNs) often work with adolescent populations at risk for unplanned pregnancies who do not have access to comprehensive sexual health education (CSHE). Evidence-based CSHE can have a significant protective effect on adolescent sexual behaviors. This article applies critical caring theory to public health nursing advocacy for CSHE. Critical caring theory defines the social justice work of PHNs as an expression of their caring as nurses. The lack of CSHE in schools for adolescents is a social justice issue, and PHNs can be important advocates. The purpose of this article is to explore how critical caring theory can inform public health nursing practice regarding the importance of CSHE advocacy with the goal of creating equitable access to CSHE for all adolescents. PMID- 29205497 TI - The use of preoperative aspirin in cardiac surgery: A systematic review and meta analysis. AB - BACKGROUND: Despite the fact that aspirin is of benefit to patients following coronary artery bypass grafting (CABG), continuation or administration of preoperative aspirin before CABG or any cardiac surgical procedure remains controversial. Therefore, we performed a systematic review and meta-analysis to assess the influence of preoperative aspirin administration on patients undergoing cardiac surgery. MATERIALS AND METHODS: Medline database was searched using OVID SP interface. Similar searches were performed separately in EMBASE, PubMed, and Cochrane Central Registry of Controlled Trials. RESULTS: Twelve randomized controlled trials and 28 observational studies met our inclusion criteria and were included in the meta-analysis. The use of preoperative aspirin in patients undergoing CABG at any dose is associated with reduced early mortality as well as a reduced incidence of postoperative acute kidney injury (AKI). Low-dose aspirin (<=160 mg/d) is associated with a decreased incidence of perioperative myocardial infarction (MI). Administration of preoperative aspirin at any dose in patients undergoing cardiac surgery increases postoperative bleeding. Despite this effect of preoperative aspirin, it did not increase the rates of surgical re-exploration due to excessive postoperative bleeding nor did it increase the rates of packed red blood cell transfusions (PRBC) when preoperative low-dose aspirin (<=160 mg/d) was administered. CONCLUSIONS: Preoperative aspirin increases the risk for postoperative bleeding. However, this did not result in an increased need for chest re-exploration and did not increase the rates of PRBC transfusion when preoperative low-dose (<=160 mg/d) aspirin was administered. Aspirin at any dose is associated with decreased mortality and AKI and low-dose aspirin (<=160 mg/d) decreases the incidence of perioperative MI. PMID- 29205498 TI - Efficacy of topical 5-aminosalicylate monotherapy in patients with ulcerative proctitis with skip inflammation. AB - BACKGROUND AND AIM: In some patients with ulcerative proctitis (UP), skip inflammation is noted in the right side of the colon, but little is known about its clinical course. The aim of this study was to evaluate the clinical course of UP with skip inflammation and the efficacy of topical 5-aminosalicylate (5-ASA) monotherapy. METHODS: This study reviewed the data of 388 patients with an initial diagnosis of UP from January 2005 to October 2015. This study matched each UP patient with skip inflammation 1:2 with controls who had UP without skip inflammation; to reduce bias, this study matched the controls with the cases by age, gender, and initial disease activity. RESULTS: During the follow-up period (median: 69.5 months), the overall progression rates for the control group (n = 192) and the skip inflammation group (n = 96) were 24.0% and 32.9% at 10 years, respectively (log-rank P = 0.71). In the skip inflammation group, the progression rates were not significantly different between the 5-ASA combination group and the topical group, 33.4% and 26.6% at 10 years, respectively (log-rank P = 0.96). The overall acute exacerbation rates for the control and skip inflammation groups were 17.2% and 26.8% at 10 years, respectively (log-rank P = 0.68). In the skip inflammation group, the exacerbation rates were also not significantly different between the combination and topical treatment groups, 26.6% and 23.6% at 10 years, respectively (log-rank P = 0.88). CONCLUSION: The clinical course of UP with skip inflammation was not different from that of typical UP, and topical 5 ASA monotherapy for maintaining remission was as effective as 5-ASA combination therapy irrespective of the presence of skip lesions. PMID- 29205499 TI - Retrospective Evaluation of the Effect of Heart Rate on Survival in Dogs with Atrial Fibrillation. AB - BACKGROUND: Atrial fibrillation (AF) usually is associated with a rapid ventricular rate. The optimal heart rate (HR) during AF is unknown. HYPOTHESIS/OBJECTIVES: Heart rate affects survival in dogs with chronic AF. ANIMALS: Forty-six dogs with AF and 24-hour ambulatory recordings were evaluated. METHODS: Retrospective study. Holter-derived HR variables were analyzed as follows: mean HR (meanHR, 24-hour average), minimum HR (minHR, 1-minute average), maximum HR (maxHR, 1-minute average). Survival times were recorded from the time of presumed adequate rate control. The primary endpoint was all-cause mortality. Cox proportional hazards analysis identified variables independently associated with survival; Kaplan-Meier survival analysis estimated the median survival time of dogs with meanHR <125 bpm versus >=125 bpm. RESULTS: All 46 dogs had structural heart disease; 31 of 46 had congestive heart failure (CHF), 44 of 46 received antiarrhythmic drugs. Of 15 dogs with cardiac death, 14 had CHF. Median time to all-cause death was 524 days (Interquartile range (IQR), 76-1,037 days). MeanHR was 125 bpm (range, 62-203 bpm), minHR was 82 bpm (range, 37-163 bpm), maxHR was 217 bpm (range, 126-307 bpm). These were significantly correlated with all-cause and cardiac-related mortality. For every 10 bpm increase in meanHR, the risk of all-cause mortality increased by 35% (hazard ratio, 1.35; 95% CI, 1.17 1.55; P < 0.001). Median survival time of dogs with meanHR<125 bpm (n = 23) was significantly longer (1,037 days; range, 524-open) than meanHR >=125 bpm (n = 23; 105 days; range, 67-267 days; P = 0.0012). Mean HR was independently associated with all-cause and cardiovascular mortality (P < 0.003). CONCLUSIONS AND CLINICAL IMPORTANCE: Holter-derived meanHR affects survival in dogs with AF. Dogs with meanHR <125 bpm lived longer than those with meanHR >= 125 bpm. PMID- 29205501 TI - Predictive testing and clinical trials in Huntington's disease: An ethical analysis. PMID- 29205500 TI - A functional SNP in the 3'-UTR of TAP2 gene interacts with microRNA hsa-miR-1270 to suppress the gene expression. AB - The transporter associated with antigen processing 2 (TAP2) is involved in the development of multidrug resistance and the etiology of immunological diseases. In this study, we investigated whether the expression of TAP2 can be perturbed by single nucleotide polymorphisms (SNPs) located in 3'-untranslated region (3'-UTR) of the gene via interactions with microRNAs. Using a series of in silico assays, we selected the candidate microRNAs (miRNAs) with the potential to interact with functional SNPs of TAP2. The SNP rs241456-located in the 3'-UTR of TAP2-resides in a potential binding site for hsa-miR-1270 and hsa-miR-620. HEK 293 cells, from a human kidney cell line, were used to characterize the extent of binding of miRNAs to each polymorphic allele of the SNP by a luciferase reporter gene assay. RNA electrophoretic mobility shift assays were used to evaluate the interaction between the miRNAs and each allele sequence of the SNP. We found that hsa-miR 1270 inhibited luciferase activity by binding to the T allele of the SNP in an allele-specific manner. A negative correlation was also found between the expression of hsa-miR-1270 and the T allele of the SNP in kidney tissues. Our findings support the hypothesis that hsa-miR-1270 suppresses the production of TAP2 by binding to this SNP in the 3'-UTR of this gene. Environ. Mol. Mutagen. 59:134-143, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29205502 TI - Intraoperative thermographic imaging to assess myocardial distribution of Del Nido cardioplegia. AB - We describe the intraoperative non-invasive use of an infrared (IR) camera to monitor Del Nido cardioplegia delivery in patients undergoing cardiac surgery. Thermal pictures were taken pre- and post-cardioplegia and at timed points after arrest, and compared to readings from a transseptal temperature probe. There was good concordance between the transseptal probe and the IR camera temperature readings. This non-invasive technique, which assesses cardioplegic distribution, may help to determine when additional doses of Del Nido cardioplegia are required during periods of cardioplegic arrest. PMID- 29205504 TI - Exploring the effects of sparse restraints on protein structure prediction. AB - One of the main barriers to accurate computational protein structure prediction is searching the vast space of protein conformations. Distance restraints or inter-residue contacts have been used to reduce this search space, easing the discovery of the correct folded state. It has been suggested that about 1 contact for every 12 residues may be sufficient to predict structure at fold level accuracy. Here, we use coarse-grained structure-based models in conjunction with molecular dynamics simulations to examine this empirical prediction. We generate sparse contact maps for 15 proteins of varying sequence lengths and topologies and find that given perfect secondary-structural information, a small fraction of the native contact map (5%-10%) suffices to fold proteins to their correct native states. We also find that different sparse maps are not equivalent and we make several observations about the type of maps that are successful at such structure prediction. Long range contacts are found to encode more information than shorter range ones, especially for alpha and alphabeta-proteins. However, this distinction reduces for beta-proteins. Choosing contacts that are a consensus from successful maps gives predictive sparse maps as does choosing contacts that are well spread out over the protein structure. Additionally, the folding of proteins can also be used to choose predictive sparse maps. Overall, we conclude that structure-based models can be used to understand the efficacy of structure prediction restraints and could, in future, be tuned to include specific force field interactions, secondary structure errors and noise in the sparse maps. PMID- 29205503 TI - Gallbladder Mucocele: Variables Associated with Outcome and the Utility of Ultrasonography to Identify Gallbladder Rupture in 219 Dogs (2007-2016). AB - BACKGROUND: Gallbladder mucocele (GBM) is an increasingly recognized extrahepatic biliary disease in dogs. OBJECTIVES: To investigate cases of GBM and identify variables associated with survival and the sensitivity and specificity of ultrasonography to identify gallbladder rupture. ANIMALS: Two hundred and nineteen client-owned dogs with GBM. METHODS: Multicenter, retrospective study of dogs with GBM, presented from January 2007 to November 2016 to 6 academic veterinary hospitals in the United States. Interrogation of hospital databases identified all cases with the inclusion criteria of a gross and histopathologic diagnosis of GBM after cholecystectomy and intraoperative bacteriologic cultures of at least 1 of the following: gallbladder wall, gallbladder contents, or abdominal effusion. RESULTS: Two hundred and nineteen dogs fulfilled the inclusion criteria. Dogs with GBM and gallbladder rupture with bile peritonitis at the time of surgery were 2.7 times more likely to die than dogs without gallbladder rupture and bile peritonitis (P = 0.001; 95% confidence interval [CI], 1.50-4.68; n = 41). No significant associations were identified between survival and positive bacteriologic cultures, antibiotic administration, or time (days) from ultrasonographic identification of GBM to the time of surgery. The sensitivity, specificity, positive, and negative likelihood ratios for ultrasonographic identification of gallbladder rupture were 56.1% (95% CI, 39.9 71.2), 91.7% (95% CI, 85.3-95.6), 6.74, and 0.44, respectively. CONCLUSION AND CLINICAL IMPORTANCE: Dogs in our study with GBM and intraoperative evidence of gallbladder rupture and bile peritonitis had a significantly higher risk of death. Additionally, abdominal ultrasonography had low sensitivity for identification of gallbladder rupture. PMID- 29205505 TI - New drugs for Parkinson's disease: The regulatory and clinical development pathways in the United States. PMID- 29205506 TI - Systematic review and meta-analysis on the efficacy and tolerability of mirabegron for the treatment of storage lower urinary tract symptoms/overactive bladder: Comparison with placebo and tolterodine. AB - A systematic review and meta-analysis was carried out to evaluate the efficacy and safety of mirabegron 50 mg and 100 mg in the treatment of storage lower urinary tract symptoms/overactive bladder in comparison with a placebo and tolterodine 4 mg. A total of 491 articles were collected and eight randomized studies were identified as eligible for this meta-analysis. Overall, eight trials were included in the meta-analysis evaluating 10 248 patients. Mirabegron at both doses of 50 mg and 100 mg, and and tolterodine 4 mg were significantly associated with the reduction of incontinence episodes per 24 h, reduction of mean number of micturitions per 24 h, increase of voided volume and reduction of urgency episodes per 24 h, compared to a placebo. Both mirabegron 50 mg and mirabegron 100 mg were associated with a significant reduction of nocturia episodes when compared with a placebo. Conversely, tolterodine 4 mg did not prove to be more effective than a placebo in the reduction of nocturia episodes. Furthermore, mirabegron 50 mg showed a slightly, but significantly, better efficacy than tolterodine 4 mg in the improvement of nocturia episodes. Mirabegron 50 mg and mirabegron 100 mg shared the same risk of overall treatment-emergent adverse events rate with the placebo. Otherwise, tolterodine 4 mg was associated with a significantly greater risk than the placebo. However, mirabegron 100 mg showed a slight trend toward an increased risk of hypertension (odds ratio 1.41; P = 0.08) and cardiac arrhythmia (odds ratio 2.18; P = 0.06). Mirabegron is an effective treatment for patients with storage lower urinary tract symptoms/overactive bladder, providing a reduction of incontinence, urgency and frequency; an improvement of voided volume with a slight, but statistically, significant improvement of nocturia; with a good safety profile. These findings should be considered for the treatment planning of patients with storage lower urinary tract symptoms/overactive bladder. PMID- 29205507 TI - Current status of holmium laser enucleation of the prostate. AB - There are several options for the surgical management of benign prostatic hyperplasia representatively from transurethral resection of the prostate. Holmium laser enucleation of the prostate is one of those options, and many institutions and urologists have initiated this technique, and most of them have accomplished better outcomes compared with transurethral resection of the prostate. In contrast to transurethral resection of the prostate, which requires a similar procedure to transurethral resection of bladder tumors, holmium laser enucleation of the prostate requires a special surgical technique: enucleation and morcellation with around 10 years' history of experience, even in Japan. The present review introduces the current status of holmium laser enucleation of the prostate, so that it surely contributes to the knowledge of International Journal of Urology readers who could be experienced surgeons or beginners as well. PMID- 29205508 TI - Aberrant methylation of mutL homolog 1 is associated with increased risk of non small cell lung cancer. AB - BACKGROUND: Non-small cell lung cancer (NSCLC) is a common malignant tumor. DNA hypermethylation in the promoter region has been served as a potential molecular marker for several tumors. The goal of the current study was to assess the diagnostic ability of mutL homolog 1 (MLH1) promoter methylation in NSCLC. METHODS: A total of 111 NSCLC patients' paired tissue samples were obtained to explore the association between MLH1 promoter methylation and NSCLC by methylation-specific polymerase chain reaction (MSP) method. Public databases including The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) were used to verify our findings. RESULTS: Our results showed a significantly higher MLH1 methylation frequency in tumor tissue samples than their paired adjacent tissues (P = .008). ROC curve indicated that MLH1MSP assay was a sensitive but not a specific method in the diagnosis for NSCLC (sensitivity = 0.964, specificity = 0.135, AUC = 0.550). And the association between the methylation level and clinical characteristics has no statistical significance. TCGA cohort evinced a higher methylation probability in tumor group compared with nontumor group (the mean beta value: -0.449 [-0.467, -0.437] vs -0.466 [-0.472, -0.437], P = .011), which was consistent with our results. Meanwhile, an inverse correlation between MLH1 methylation and MLH1 expression was detected in TCGA and GEO databases. CONCLUSIONS: The MSP method for MLH1 methylation was a sensitive but not a specific diagnostic method for NSCLC. PMID- 29205510 TI - Correction of cortriatriatum sinister with classical Raghib's complex using an extracardiac conduit. AB - We present a 32-year-old patient with cortriatriatum sinister with Raghib's complex (a left persistent superior vena cava draining into the left atrium with an absent coronary sinus and an atrial septal defect [ASD]) who underwent successful surgical correction with excision of the cortriatriatum, closure of the ASD, and establishing the drainage of the persistent left superior vena cava to the right atrium via interposition of an extracardiac 13-mm ringed polytetrafluoroethylene conduit. PMID- 29205511 TI - Mechanistic insights into topical tacrolimus for the treatment of atopic dermatitis. AB - More than 15 years have passed since the clinical launch of topical tacrolimus for the treatment of atopic dermatitis. Its efficacy and safety have been clearly demonstrated in many global and domestic short-term and long-term clinical trials. Although the prolonged external application of steroids causes many adverse reactions including cutaneous atrophy, no such reactions occur with the use of topical tacrolimus. Therefore, the therapeutic guidelines recommend a combined topical treatment with tacrolimus and steroids. Tacrolimus is a potent immunosuppressant. However, recent studies have revealed its diverse action on the cardinal pathomechanisms of atopic dermatitis. In this review, we summarize the mechanistic role of tacrolimus in various aspects of allergic inflammation including mast cell activation, innate allergic response, pruritus, sensory nerve activation, and skin barrier dysfunction. PMID- 29205509 TI - Cerebrospinal fluid, plasma, and saliva in the BioFIND study: Relationships among biomarkers and Parkinson's disease Features. AB - OBJECTIVE: Examine relationships among neurodegenerative biomarkers and PD motor and nonmotor symptoms. BACKGROUND: CSF alpha-synuclein is decreased in PD versus healthy controls, but whether plasma and saliva alpha-synuclein differentiate these groups is controversial. Correlations of alpha-synuclein among biofluids (CSF, plasma, saliva) or biomarkers (eg, beta-amyloid, tau [total, phosphorylated]) are not fully understood. The relationships of these biomarkers with PD clinical features remain unclear. METHODS: BioFIND, a cross-sectional, observational study, examines clinical and biomarker characteristics in moderate advanced PD and matched healthy controls. We compared alpha-synuclein concentrations across diagnosis, biofluids, and CSF biomarkers. Correlations of CSF biomarkers and MDS-UPDRS, motor phenotype, MoCA, and rapid eye movement sleep behavior disorder questionnaire scores in PD were examined. RESULTS: CSF alpha synuclein was lower in PD versus controls (P = .01), controlling for age, gender, and education. Plasma and saliva alpha-synuclein did not differ between PD and controls, and alpha-synuclein did not significantly correlate among biofluids. CSF beta-amyloid1-42 was lower in PD versus controls (P < .01), and correlated weakly with MoCA recall scores (r = 0.23, P = .02). CSF alpha-synuclein was lower in the postural instability/gait difficulty phenotype than other motor phenotypes (P < .01). No CSF biomarkers predicted or correlated with total motor or rapid eye movement sleep behavior disorder scores. CSF alpha-synuclein correlated with beta-amyloid1-42 , total-tau, and phosphorylated-tau (r = 0.41, 0.81, 0.43, respectively; Ps < .001). CONCLUSION: Lower CSF alpha-synuclein is associated with diagnosis and motor phenotype in moderate-advanced PD. Plasma and saliva alpha-synuclein neither correlate with CSF alpha-synuclein, nor distinguish PD from controls. CSF beta-amyloid1-42 remains a potential biomarker for cognitive impairment in PD. (c) 2017 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society. PMID- 29205512 TI - Self-perceptions of aging mediate the longitudinal relationship of hopelessness and depressive symptoms. AB - OBJECTIVES: The purpose of the current study was to examine the hypothesis that the prospective relationship between hopelessness and depressive symptoms is mediated by self-perceptions of aging. METHODS: Data from 3 waves of the US Health and Retirement Study (2008, 2012, and 2014) were used (N = 4606; age M = 65.3, 55.5% female). In mediation analyses, hopelessness in 2008 was the independent variable, self-perceptions of aging in 2012 were the mediator, and depressive symptoms in 2014 were the outcome variable. RESULTS: After controlling for covariates, hopelessness in 2008 was an independent predictor of self perceptions of aging in 2012 (beta = -.10, P < .001), and self-perceptions of aging in 2012 was an independent predictor of depressive symptoms in 2014 (beta = -.41, P < .001). Hopelessness in 2008 showed both direct (beta = .09, P < .001) and indirect (beta = .03, P < .001) effects on depressive symptoms in 2014, indicating partial mediation by change in self-perceptions of aging. CONCLUSIONS: As hypothesized, change in self-perceptions of aging partially mediated the relationship of hopelessness with depressive symptoms 6 years later. Findings are consistent with a conceptualization of hopelessness as broad negative expectations about the future that may contribute to negative self-perceptions of aging and subsequent changes in depressive symptoms. Reducing hopelessness, increasing hope, and improving self-perceptions of aging have potential to reduce and prevent depressive symptoms for older adults. Future research should examine the mechanisms of these interrelationships and other aging outcomes. PMID- 29205513 TI - Observations on the inconsistency of dermatome maps and its effect on knowledge and confidence in clinical students. AB - Dermatomes are an important component of medical curricula and clinical practice. In addition to the intrinsic complexity of dermatome maps, their discrepancies in the literature make their learning among students even more difficult. These discrepancies are particularly evident in the lower deltoid ("regimental badge" area) and upper back. The aims of our study were firstly to identify and compare published versions of the dermatome map focusing on depictions of the "regimental badge" area and upper back, secondly to assess the perceived confidence and knowledge of dermatomes among medical students, and finally to create and introduce a simplified dermatome map. For the first part of the study, depictions of dermatome maps that included the "regimental badge" area and upper back in webpages and books were compared. For the second part, a dermatome exercise was given to 177 medical students who were asked to draw and label the dermatomes on blank figures. A total of 45 sources depicting dermatomes of the "regimental badge" area and upper back were included in the study and showed significant discrepancies in both areas. In the dermatome exercise, the mean perceived confidence was 3.64 +/- 1.58 (scale 1-10). Based on our pre-set assessment criteria, upper limb, lower limb, nipple, umbilicus, and perineum dermatomes were labeled correctly by 57.1%, 43.5%, 52.6%, 60%, and 75.7% students, respectively. In light of our results, we propose a map of autonomous regions of clinically relevant dermatomes that can be used instead of whole dermatome maps for teaching purposes. Clin. Anat. 31:293-300, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29205514 TI - Acute kidney injury impact on inpatient mortality in Clostridium difficile infection: A national propensity-matched study. AB - BACKGROUND AND AIM: Acute kidney injury (AKI) is used as a marker of severity in Clostridium difficile infection (CDI) patients. We estimated the true effect of AKI in inpatient mortality of CDI patients, as there are no large-scale, population-based, propensity-matched studies evaluating AKI's effect in this patient cohort. METHODS: A retrospective observational study utilizing the National Inpatient Sample from years 2003 to 2012, including all adults with CDI, excluding cases missing data on age, inpatient mortality or gender. Trends and CDI-related complications as mortality predictors were assessed using survey weighted multivariable regression. We estimated AKI's independent effect by propensity-matching, post-stratifying by chronic kidney disease status, allowing for multiple comorbidity adjustment. RESULTS: A total of 2 859 599 patients with CDI were included, of which 896 122 (31.3%) had principal diagnosis of CDI. AKI prevalence was 22%. Mortality rate was 8.4%, while among AKI patients was higher (18.2%). In multivariable regression, AKI was associated with higher mortality (odds ratio [OR] = 3.16, 95% confidence interval [CI]: 3.02-3.30; P < 0.001), while after propensity matching, AKI increased mortality by 86% (OR = 1.86, 95% CI: 1.79-1.94; P < 0.001). CDI incidence increased by 1.8, together with the rate of AKI (12.6% in 2003 to 28.8% in 2012, P-trend < 0.001). Despite increasing hospitalizations, mortality over the study period decreased to 7.2% (2012) from 9.0% (2003); P-trend < 0.001. CONCLUSION: Hospital admissions of patients with CDI and concomitant AKI are increasing, but their inpatient mortality has improved over the study period. AKI is a significant contributor to mortality, independently of other comorbidities, complications, and hospital characteristics, emphasizing the need for early diagnosis and aggressive management in such patients. PMID- 29205515 TI - Yoga training modulates adipokines in adults with high-normal blood pressure and metabolic syndrome. AB - Metabolic syndrome (MetS) is associated with diabetes mellitus and cardiovascular diseases. Our previous study indicated that people with MetS showed a decrease in waist circumference and a decreasing trend in blood pressure after 1-year yoga. This study investigated the effect of yoga on MetS people with high-normal blood pressure by exploring modulations in proinflammatory adipokines (leptin, chemerin, visfatin, and plasminogen activator inhibitor-1 or PAI-1) and an anti inflammatory adipokine (adiponectin). A total of 97 Hong Kong Chinese individuals aged 57.6 +/- 9.1 years with MetS and high-normal blood pressure were randomly assigned to control (n = 45) and yoga groups (n = 52). Participants in the control group were not given any intervention but were contacted monthly to monitor their health status. Participants in the yoga group underwent a yoga training program with three 1-hour yoga sessions weekly for 1 year. The participants' sera were harvested and assessed for adipokines. Generalized estimating equation (GEE) was used to examine the interaction effect between 1 year time (pre vs post), and intervention (control vs yoga). GEE analyses revealed significant interaction effects between 1-year time and yoga intervention for the decreases in leptin and chemerin and the increase in adiponectin concentration in the sera examined. These results demonstrated that 1 year yoga training decreased proinflammatory adipokines and increased anti inflammatory adipokine in adults with MetS and high-normal blood pressure. These findings support the beneficial role of yoga in managing MetS by favorably modulating adipokines. PMID- 29205516 TI - A tripartite mode of action approach for investigating the impact of aneugens on tubulin polymerization. AB - Chemical-induced disruption of the cellular microtubule network is one key mechanism of aneugenicity. Since recent data indicate that genotoxic effects of aneugens show nonlinear dose-response relationships, margins of safety can be derived with the ultimate goal to perform a risk assessment for the support of drug development. Furthermore, microtubule-interacting compounds are widely used for cancer treatment. While there is a need to support the risk assessment of tubulin-interacting chemicals using reliable mechanistic assays, no standard assays exist to date in regulatory genotoxicity testing for the distinction of aneugenic mechanisms. Recently reported methods exclusively rely on either biochemical, morphological, or cytometric endpoints. Since data requirements for the diverse fields of application of those assays differ strongly, the use of multiple assays for a correct classification of aneugens is ideal. We here report a tripartite mode of action approach comprising a cell-free biochemical polymerization assay and the cell-based methods cellular imaging and flow cytometry. The biochemical assay measures tubulin polymerization over time whereas the two cell-based assays quantify tubulin polymer mass. We herein show that the flow cytometric method yielded IC50 values for tubulin destabilizers and EC50 values for tubulin stabilizers as well as cell cycle information. In contrast, cellular imaging complemented these findings with characteristic morphological patterns. Biochemical analysis yielded kinetic information on tubulin polymerization. This multiplex approach is able to create holistic effect profiles which can be individually customized to the research question with regard to quality, quantity, usability, and economy. Environ. Mol. Mutagen. 59:188-201, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29205517 TI - Within-day energy deficiency and reproductive function in female endurance athletes. AB - We aimed to estimate and compare within-day energy balance (WDEB) in athletes with eumenorrhea and menstrual dysfunction (MD) with similar 24-hour energy availability/energy balance (EA/EB). Furthermore, to investigate whether within day energy deficiency is associated with resting metabolic rate (RMR), body composition, S-cortisol, estradiol, T3 , and fasting blood glucose. We reanalyzed 7-day dietary intake and energy expenditure data in 25 elite endurance athletes with eumenorrhea (n = 10) and MD (n = 15) from a group of 45 subjects where those with disordered eating behaviors (n = 11), MD not related to low EA (n = 5), and low dietary record validity (n = 4) had been excluded. Besides gynecological examination and disordered eating evaluation, the protocol included RMR measurement; assessment of body composition by dual-energy X-ray absorptiometry, blood plasma analysis, and calculation of WDEB in 1-hour intervals. Subjects with MD spent more hours in a catabolic state compared to eumenorrheic athletes; WDEB < 0 kcal: 23.0 hour (20.8-23.4) vs 21.1 hour (4.7-22.3), P = .048; WDEB < -300 kcal: 21.8 hour (17.8-22.4) vs 17.6 hour (3.9-20.9), P = .043, although similar 24-hour EA: 35.6 (11.6) vs 41.3 (12.7) kcal/kg FFM/d, (P = .269), and EB: -659 (551) vs -313 (596) kcal/d, (P = .160). Hours with WDEB <0 kcal and <-300 kcal were inversely associated with RMRratio (r = -.487, P = .013, r = -.472, P = .018), and estradiol (r = -.433, P = .034, r = -.516, P = .009), and positively associated with cortisol (r = .442, P = .027, r = .463, P = .019). In conclusion, although similar 24-hour EA/EB, the reanalysis revealed that MD athletes spent more time in a catabolic state compared to eumenorrheic athletes. Within-day energy deficiency was associated with clinical markers of metabolic disturbances. PMID- 29205519 TI - Polar Elastomers as Novel Materials for Electromechanical Actuator Applications. AB - Dielectric elastomer actuators are stretchable capacitors capable of a musclelike actuation when charged. They will one day be used to replace malfunctioning muscles supposing the driving voltage can be reduced below 24 V. This focus here is on polar dielectric elastomers and their behavior under an electric field. Emphasis is placed on all the features that are correlated with the molecular structure, its synthetic realization, and its impact on properties. Regarding the polymer class, the focus, to some degree, is on polysiloxanes because of their attractively low glass transition temperatures. This enables introduction of highly polar groups to the backbone while maintaining soft elastic properties. The goal is to provide a few guidelines for future research in this emerging field that may be useful for those considering entering this fascinating endeavor. Because of the large number of materials available, a few restrictions in the selection have to be applied. PMID- 29205518 TI - Therapeutic and prognostic significance of PARP-1 in advanced mycosis fungoides and Sezary syndrome. AB - While mycosis fungoides (MF) is typically an indolent malignancy, it may infrequently undertake an aggressive course. We used proteomic analyses to identify a biomarker of the aggressive course of MF. Results of this investigation demonstrated that PARP-1, heat-shock protein family A (Hsp70) member 1 like (HSAP1L), Hsp70 member 1A (HSPA1A), ATP-depending RNA helicase (DDX17) and the alpha-isoform of lamina-associated polypeptide 2 (TMPO) had higher expression in aggressive disease versus non-aggressive. Moreover, PARP-1 was overexpressed in patients with early stage of MF who developed later an aggressive disease. PARP-1 was evaluated as a new target for therapy, demonstrating the selective dose-dependent cytotoxic effect of PARP inhibitors on Sezary cells in comparison with non-malignant lymphocytes. In conclusion, we believe that PARP-1 may serve not only as a biomarker at initial biopsies for a disease that may become aggressive but also as a new therapeutic target of advanced MF and Sezary syndrome. PMID- 29205520 TI - Advanced Biomass-Derived Electrocatalysts for the Oxygen Reduction Reaction. AB - Recent progress in advanced nanostructures synthesized from biomass resources for the oxygen reduction reaction (ORR) is reviewed. The ORR plays a significant role in the performance of numerous energy-conversion devices, including low temperature hydrogen and alcohol fuel cells, microbial fuel cells, as well as metal-air batteries. The viability of such fuel cells is strongly related to the cost of the electrodes, especially the cathodic ORR electrocatalyst. Hence, inexpensive and abundant plant and animal biomass have become attractive options to obtain electrocatalysts upon conversion into active carbon. Bioresource selection and processing criteria are discussed in light of their influence on the physicochemical properties of the ORR nanostructures. The resulting electrocatalytic activity and durability are introduced and compared to those from conventional Pt/C-based electrocatalysts. These ORR catalysts are also active for oxygen or hydrogen evolution reactions. PMID- 29205522 TI - Acoustic Fabrication via the Assembly and Fusion of Particles. AB - Acoustic assembly promises a route toward rapid parallel fabrication of whole objects directly from solution. This study reports the contact-free and maskless assembly, and fixing of silicone particles into arbitrary 2D shapes using ultrasound fields. Ultrasound passes through an acoustic hologram to form a target image. The particles assemble from a suspension along lines of high pressure in the image due to acoustic radiation forces and are then fixed (crosslinked) in a UV-triggered reaction. For this, the particles are loaded with a photoinitiator by solvent-induced swelling. This localizes the reaction and allows the bulk suspension to be reused. The final fabricated parts are mechanically stable and self-supporting. PMID- 29205524 TI - Cerebral phaeohyphomycosis due to Rhinocladiella mackenziei in Persian Gulf region: A case and review. AB - Cerebral phaeohyphomycosis is frequently a fatal disease caused by truly neurotropic dematiaceous fungi. Although rare, this infection occurs especially among immunocompetent patients, and the clinical symptoms are often misdiagnosed as a cerebral tumour or bacterial brain abscess. The appropriate diagnosis and therapy of cerebral infections by melanized fungi are very challenging if they are caused by mysterious fungi with unknown ecological niche. We reported the second case of cerebral phaeohyphomycosis due to Rhinocladiella mackenziei in Iran and the first culture-confirmed case. In this report, the differential diagnosis and histopathological findings are discussed and a review of the literature is provided. PMID- 29205523 TI - Melatonin reduces apoptotic cells, SOD2 and HSPB1 and improves the in vitro production and quality of bovine blastocysts. AB - Effects of adding different concentrations of melatonin (10-7 , 10-9 and 10-11 M) to maturation (Experiment 1; Control, IVM + 10-7 , IVM + 10-9 , IVM + 10-11 ) and culture media (Experiment 2; Control, IVC + 10-7 , IVC + 10-9 , IVC + 10-11 ) were evaluated on in vitro bovine embryonic development. The optimal concentration of melatonin (10-9 M) from Experiments 1-2 was tested in both maturation and/or culture media of Experiment 3 (Control, IVM + 10-9 , IVC + 10-9 , IVM/IVC + 10-9 ). In Experiment 1, maturated oocytes from Control and IVM + 10 9 treatments showed increased glutathione content, mitochondrial membrane potential and percentage of Grade I blastocysts (40.6% and 43%, respectively). In Experiment 2, an increase in the percentage of Grade I blastocysts was detected in IVC + 10-7 (43.5%; 56.7%) and IVC + 10-9 (47.4%; 57.4%). Moreover, a lower number and percentage of apoptotic cells in blastocysts were observed in the IVC + 10-9 group compared to Control (3.8 +/- 0.6; 3.6% versus 6.1 +/- 0.6; 5.3%). In Experiment 3, the IVC + 10-9 treatment increased percentage of Grade I blastocysts with a lower number of apoptotic cells compared to IVM/IVC + 10-9 group (52.6%; 3.0 +/- 0.5 versus 46.0%; 5.4 +/- 1.0). The IVC + 10-9 treatment also had a higher mRNA expression of antioxidant gene (SOD2) compared to the Control, as well as the heat shock protein (HSPB1) compared to the IVM + 10-9 . Reactive oxygen species production was greater in the IVM/IVC + 10-9 treatment group. In conclusion, the 10-9 M concentration of melatonin and the in vitro production phase in which it is used directly affected embryonic development and quality. PMID- 29205525 TI - Hole-Transfer Dependence on Blend Morphology and Energy Level Alignment in Polymer: ITIC Photovoltaic Materials. AB - Bulk-heterojunction organic photovoltaic materials containing nonfullerene acceptors (NFAs) have seen remarkable advances in the past year, finally surpassing fullerenes in performance. Indeed, acceptors based on indacenodithiophene (IDT) have become synonymous with high power conversion efficiencies (PCEs). Nevertheless, NFAs have yet to achieve fill factors (FFs) comparable to those of the highest-performing fullerene-based materials. To address this seeming anomaly, this study examines a high efficiency IDT-based acceptor, ITIC, paired with three donor polymers known to achieve high FFs with fullerenes, PTPD3T, PBTI3T, and PBTSA3T. Excellent PCEs up to 8.43% are achieved from PTPD3T:ITIC blends, reflecting good charge transport, optimal morphology, and efficient ITIC to PTPD3T hole-transfer, as observed by femtosecond transient absorption spectroscopy. Hole-transfer is observed from ITIC to PBTI3T and PBTSA3T, but less efficiently, reflecting measurably inferior morphology and nonoptimal energy level alignment, resulting in PCEs of 5.34% and 4.65%, respectively. This work demonstrates the importance of proper morphology and kinetics of ITIC -> donor polymer hole-transfer in boosting the performance of polymer:ITIC photovoltaic bulk heterojunction blends. PMID- 29205528 TI - Corrigendum. PMID- 29205526 TI - Alumina-Supported CoFe Alloy Catalysts Derived from Layered-Double-Hydroxide Nanosheets for Efficient Photothermal CO2 Hydrogenation to Hydrocarbons. AB - A series of novel CoFe-based catalysts are successfully fabricated by hydrogen reduction of CoFeAl layered-double-hydroxide (LDH) nanosheets at 300-700 degrees C. The chemical composition and morphology of the reaction products (denoted herein as CoFe-x) are highly dependent on the reduction temperature (x). CO2 hydrogenation experiments are conducted on the CoFe-x catalysts under UV-vis excitation. With increasing LDH-nanosheet reduction temperature, the CoFe-x catalysts show a progressive selectivity shift from CO to CH4 , and eventually to high-value hydrocarbons (C2+ ). CoFe-650 shows remarkable selectivity toward hydrocarbons (60% CH4 , 35% C2+ ). X-ray absorption fine structure, high resolution transmission electron microscopy, Mossbauer spectroscopy, and density functional theory calculations demonstrate that alumina-supported CoFe-alloy nanoparticles are responsible for the high selectivity of CoFe-650 for C2+ hydrocarbons, also allowing exploitation of photothermal effects. This study demonstrates a vibrant new catalyst platform for harnessing clean, abundant solar energy to produce valuable chemicals and fuels from CO2 . PMID- 29205527 TI - A Novel Acoustomicrofluidic Nebulization Technique Yielding New Crystallization Morphologies. AB - A novel acoustic microfluidic nebulization platform is demonstrated, which, due to its unique ability to access intermediate evaporation rate regimes significantly faster than that in slow solvent evaporation but considerably below that achieved in spray drying, is capable of producing novel crystal morphologies that have yet to be reported in both model inorganic and organic systems. In addition, the potential for simultaneously encapsulating single crystals within a biodegradable polymeric coating in a single simultaneous step together with the crystallization process as the solvent evaporates during nebulization is briefly shown. The platform not only has the potential to be highly scalable by employing a large number of these low-cost miniature devices in parallel to achieve industrially relevant particle production rates, but could also be advantageous over conventional spray drying in terms of energy utilization, given the tremendous efficiency associated with the high-frequency ultrasonic microdevice as well as its ambient temperature operation. PMID- 29205531 TI - Alkenyl and Aryl Peroxides. AB - Alkenyl and aryl peroxides are a special class of organic peroxides. Under ambient conditions, they are usually short-lived, rapidly decomposing into radicals by homolytic O-O bond cleavage. They play an important role in the chemistry of the lower atmosphere, where they are formed through ozonolysis of alkenes. In the dark, this pathway is considered the major source of hydroxyl radicals, the "detergent of the atmosphere". In solution, alkenyl and aryl peroxides can be formed by various methods and their decomposition can be harnessed synthetically. For example, reactions involving alkenyl peroxides can be used to introduce ketones through radical additions, and nucleophilic aromatic substitution reactions generating aryl peroxides have been used to synthesize phenols. The radicals can also initiate radical polymerization reactions or chain reactions and mediate oxidative coupling by C-H bond functionalization. Knowledge of their chemistry could be helpful for projects generating or utilizing peroxides. PMID- 29205532 TI - 3D Printing of Living Responsive Materials and Devices. AB - 3D printing has been intensively explored to fabricate customized structures of responsive materials including hydrogels, liquid-crystal elastomers, shape-memory polymers, and aqueous droplets. Herein, a new method and material system capable of 3D-printing hydrogel inks with programed bacterial cells as responsive components into large-scale (3 cm), high-resolution (30 MUm) living materials, where the cells can communicate and process signals in a programmable manner, are reported. The design of 3D-printed living materials is guided by quantitative models that account for the responses of programed cells in printed microstructures of hydrogels. Novel living devices are further demonstrated, enabled by 3D printing of programed cells, including logic gates, spatiotemporally responsive patterning, and wearable devices. PMID- 29205533 TI - Synergism of Rare Earth Trihydrides and Graphite in Lithium Storage: Evidence of Hydrogen-Enhanced Lithiation. AB - The lithium storage capacity of graphite can be significantly promoted by rare earth trihydrides (REH3 , RE = Y, La, and Gd) through a synergetic mechanism. High reversible capacity of 720 mA h g-1 after 250 cycles is achieved in YH3 graphite nanocomposite, far exceeding the total contribution from the individual components and the effect of ball milling. Comparative study on LaH3 -graphite and GdH3 -graphite composites suggests that the enhancement factor is 3.1-3.4 Li per active H in REH3 , almost independent of the RE metal, which is evident of a hydrogen-enhanced lithium storage mechanism. Theoretical calculation suggests that the active H from REH3 can enhance the Li+ binding to the graphene layer by introducing negatively charged sites, leading to energetically favorable lithiation up to a composition Li5 C16 H instead of LiC6 for conventional graphite anode. PMID- 29205534 TI - Preparation of Microcellular Epoxy Foams through a Limited-Foaming Process: A Contradiction with the Time-Temperature-Transformation Cure Diagram. AB - 3D cross-linking networks are generated through chemical reactions between thermosetting epoxy resin and hardener during curing. The curing degree of epoxy material can be increased by increasing curing temperature and/or time. The epoxy material must then be fully cured through a postcuring process to optimize its material characteristics. Here, a limited-foaming method is introduced for the preparation of microcellular epoxy foams (Lim-foams) with improved cell morphology, high thermal expansion coefficient, and good compressive properties. Lim-foams exhibit a lower glass transition temperature (Tg ) and curing degree than epoxy foams fabricated through free-foaming process (Fre-foams). Surprisingly, however, the Tg of Lim-foams is unaffected by postcuring temperature and time. This phenomenon, which is related to high gas pressure in the bubbles, contradicts that indicated by the time-temperature-transformation cure diagram. High bubble pressure promotes the movement of molecular chains under heating at low temperature and simultaneously suppresses the etherification cross-linking reaction during post-curing. PMID- 29205535 TI - Fine-Tuning the Energy Levels of a Nonfullerene Small-Molecule Acceptor to Achieve a High Short-Circuit Current and a Power Conversion Efficiency over 12% in Organic Solar Cells. AB - Organic solar cell optimization requires careful balancing of current-voltage output of the materials system. Here, such optimization using ultrafast spectroscopy as a tool to optimize the material bandgap without altering ultrafast photophysics is reported. A new acceptor-donor-acceptor (A-D-A)-type small-molecule acceptor NCBDT is designed by modification of the D and A units of NFBDT. Compared to NFBDT, NCBDT exhibits upshifted highest occupied molecular orbital (HOMO) energy level mainly due to the additional octyl on the D unit and downshifted lowest unoccupied molecular orbital (LUMO) energy level due to the fluorination of A units. NCBDT has a low optical bandgap of 1.45 eV which extends the absorption range toward near-IR region, down to ~860 nm. However, the 60 meV lowered LUMO level of NCBDT hardly changes the Voc level, and the elevation of the NCBDT HOMO does not have a substantial influence on the photophysics of the materials. Thus, for both NCBDT- and NFBDT-based systems, an unusually slow (~400 ps) but ultimately efficient charge generation mediated by interfacial charge pair states is observed, followed by effective charge extraction. As a result, the PBDB-T:NCBDT devices demonstrate an impressive power conversion efficiency over 12%-among the best for solution-processed organic solar cells. PMID- 29205536 TI - Energy-Structure-Function Maps: Cartography for Materials Discovery. AB - Some of the most successful approaches to structural design in materials chemistry have exploited strong directional bonds, whose geometric reliability lends predictability to solid-state assembly. For example, metal-organic frameworks are an important design platform in materials chemistry. By contrast, the structure of molecular crystals is defined by a balance of weaker intermolecular forces, and small changes to the molecular building blocks can lead to large changes in crystal packing. Hence, empirical rules are inherently less reliable for engineering the structures of molecular solids. Energy structure-function (ESF) maps are a new approach for the discovery of functional organic crystals. These maps fuse crystal-structure prediction with the computation of physical properties to allow researchers to choose the most promising molecule for a given application, prior to its synthesis. ESF maps were used recently to discover a highly porous molecular crystal that has a high methane deliverable capacity and the lowest density molecular crystal reported to date (r = 0.41 g cm-3 , SABET = 3425 m2 g-1 ). Progress in this field is reviewed, with emphasis on the future opportunities and challenges for a design strategy based on computed ESF maps. PMID- 29205538 TI - Corrigendum. PMID- 29205537 TI - A 3D Self-Shaping Strategy for Nanoresolution Multicomponent Architectures. AB - 3D printing or fabrication pursues the essential surface behavior manipulation of droplets or a liquid for rapidly and precisely constructing 3D multimaterial architectures. Further development of 3D fabrication desires a self-shaping strategy that can heterogeneously integrate functional materials with disparate electrical or optical properties. Here, a 3D liquid self-shaping strategy is reported for rapidly patterning materials over a series of compositions and accurately achieving micro- and nanoscale structures. The predesigned template selectively pins the droplet, and the surface energy minimization drives the self shaping processing. The as-prepared 3D circuits assembled by silver nanoparticles carry a current of 208-448 uA at 0.01 V impressed voltage, while the 3D architectures achieved by two different quantum dots show noninterfering optical properties with feature resolution below 3 um. This strategy can facilely fabricate micro-nanogeometric patterns without a modeling program, which will be of great significance for the development of 3D functional devices. PMID- 29205539 TI - Liver-first versus lung-first: a new dilemma in combined organ transplantation. PMID- 29205540 TI - Structuring of Functional Spider Silk Wires, Coatings, and Sheets by Self Assembly on Superhydrophobic Pillar Surfaces. AB - Spider silk has recently become a material of high interest for a large number of biomedical applications. Previous work on structuring of silk has resulted in particles (0D), fibers (1D), films (2D), and foams, gels, capsules, or microspheres (3D). However, the manufacturing process of these structures is complex and involves posttreatment of chemicals unsuitable for biological applications. In this work, the self-assembly of recombinant spider silk on micropatterned superhydrophobic surfaces is studied. For the first time, structuring of recombinant spider silk is achieved using superhydrophobic surfaces under conditions that retain the bioactivity of the functionalized silk. By tuning the superhydrophobic surface geometry and the silk solution handling parameters, this approach allows controlled generation of silk coatings, nanowires, and sheets. The underlying mechanisms and governing parameters are discussed. It is believed that the results of this work pave the way for fabrication of silk formations for applications including vehicles for drug delivery, optical sensing, antimicrobial coatings, and cell culture scaffolds. PMID- 29205541 TI - Highly Stretchable and Reliable, Transparent and Conductive Entangled Graphene Mesh Networks. AB - A highly stretchable and reliable, transparent and conductive entangled graphene mesh network (EGMN) exhibits an interconnected percolation network, as usually shown in 1D nanowires, but with the electrical, mechanical, and thermal properties of 2D graphene. The unique combination of the 2D material properties and the network structure of wrinkled, waved, and crumpled graphene enables the EGMN to demonstrate excellent electrical reliability, mechanical durability, and thermal stability, even under harsh environmental and external conditions such as very high temperature, humidity, bending, and stretching. Specifically, after 100 000 cycles of bending with radius of 2 mm, the EGMN maintains its resistance similar to its initial value. The EGMN shows a steady monotonic response in resistance to strain cycles of 50 000 times with nearly constant gauge factors of 0.76, 1.67, and 2.55 at 10%, 40%, and 70% strains, respectively. Moreover, the EGMN shows very little change in resistance with the temperature increasing up to 1000 degrees C, by in situ thermal analysis with transmission electron microscopy and also by long-term stability testing at 70 degrees C and 70% relative humidity for 30 d. These results demonstrate that this novel entangled graphene mesh network can significantly broaden the application areas for various types of wearable and stretchable devices. PMID- 29205542 TI - Thermally Induced Bending of ReS2 Nanowalls. AB - Among the variety of stimuli-responsive materials, temperature-responsive materials (TRMs) can adapt to the surrounding environment in the presence of a thermal stimulus, and they have attracted considerable attention in sensors, actuators, and surface engineering. However, polymers, as the most representative TRMs, are far from ideal with respect to long-term reliability and durability. Here, for the first time, an inorganic material, ReS2 , is analyzed, which possesses an unexpected temperature-responsive behavior that is triggered by stable and reversible thermally induced bending (TIB). Due to thermal fluctuations in the ReS2 layers, intrinsic ripples tend to aggravate rapidly with rising temperature. Then, the weak interlayer interaction of ReS2 is further weakened, thus resulting in interlayer sliding. Due to a decrease in bending rigidity with increasing temperature, out-of-plane bending spontaneously occurs in the ReS2 layers. Interestingly, this TIB of ReS2 can recover to its initial configuration when the temperature drops, which is further confirmed by the reversible wetting measurement. Above all, the TIB behavior of ReS2 exhibits great potential in smart applications, such as smart windows and microfluidic devices, and fills the significant gaps of inorganic TRMs. PMID- 29205543 TI - Deep insemination with sex-sorted Cashmere goat sperm processed in the presence of antioxidants. AB - Flow cytometrically sex-sorted sperm have been widely used for improving reproductive management in the dairy industry. However, the industrial application of this technology in other domestic species is largely limited by the lower fertility after insemination. The aim of this study was to investigate effects of antioxidant supplementation during the sex-sorting and freezing process on the quality and functions of sorted sperm from Liaoning Cashmere goats. We tested the effects of antioxidant supplementation during sex-sorting and freezing process, including ascorbic acid-2-glucoside AA-2G, glutathione, melatonin and vitamin C (VC), on the quality and functions of sex-sorted fresh and frozen-thawed sperm. Based on these experiments, we performed deep insemination with sex-sorted sperm using our improved strategy, in comparison to unsorted sperm. In Experiment 1, compared with control group and other antioxidants, AA-2G supplementation significantly alleviated the degradation of motility and viability of fresh sperm after sorting and showed the highest percentage of sperm with normal morphology. In addition, AA-2G supplementation showed an evident protection against the sorting process-induced membrane and acrosome damage. In Experiment 2, AA-2G supplementation was most effective in protecting motility, while melatonin supplementation appears to facilitate the degradation of quality of frozen-thawed sex-sorted sperm. In Experiment 3, we performed deep insemination with sperm that were sorted and frozen in the presence of AA-2G and obtained a satisfying pregnancy rate comparable to that from unsorted sperm. The results showed that AA-2G supplementation efficiently protects quality and function of both fresh and frozen-thawed sex-sorted sperm of Cashmere goats, thus obtaining a satisfying pregnancy outcome. PMID- 29205544 TI - Rapid Syndiospecific (Co)Polymerization of Fluorostyrene with High Monomer Conversion. AB - Fluoromonomers are difficult to polymerize through a coordination mechanism owing to the strong chelation between fluorine and catalysts and the electron-deficient double-bond. We report herein the unprecedented polymerization of para fluorostyrene (pFS) with excellent activity (1.12*107 g molLn-1 h-1 ), distinguished syndioselectivity (rrrr >99 %) and high conversion (98.4 %) using rare-earth-metal catalysts bearing a pyridyl methylene fluorenyl ligand. DFT calculations reveal polar fluorine loses overwhelming coordination priority to the active central metal ion due to the sterically bulky and electron-donating CGC-ligand, thus its power of poisoning the active species is dramatically weakened. Based on this, copolymerization of pFS and styrene (St) has been successfully achieved with high activity and controllable pFS insertion. Conversely, the unlinked half-sandwich rare-earth-metal system shows relatively lower activity, because both the transition-states and intermediates incorporate a MU1 -F chelated pFS. PMID- 29205545 TI - The use of services due to problems related to mental health and substance abuse problems in Finland from 2012 to 2015. AB - INTRODUCTION: Improving primary care services for mental health and substance abuse problems was one of the major goals of the Finnish national plan for mental health and substance abuse work. METHODS: The study data are drawn from the Regional Health and Well-being Study samples. Participants reported their health service use. RESULTS: Women and young adults used more mental health services than did men and older citizens. However, a significant proportion of those with mental health problems had not used any health services. CONCLUSIONS: More attention should be paid on reducing the stigma associated to mental health and substance abuse problems both within the health care system and the society. PMID- 29205546 TI - Wood-Based Nanotechnologies toward Sustainability. AB - With over 30% global land coverage, the forest is one of nature's most generous gifts to human beings, providing shelters and materials for all living beings. Apart from being sustainable, renewable, and biodegradable, wood and its derivative materials are also extremely fascinating from a materials aspect, with numerous advantages including porous and hierarchical structure, excellent mechanical performance, and versatile chemistry. Here, strategies for designing novel wood-based materials via advanced nanotechnologies are summarized, including both the controllable bottom-up assembly from the highly crystalline nanocellulose building block and the more efficient top-down approaches directly from wood. Beyond material design, recent advances regarding the sustainable applications of these novel wood-based materials are also presented, focusing on areas that are traditionally dominated by man-made nonrenewable materials such as plastic, glass, and metals, as well as more advanced applications in the areas of energy storage, wastewater treatment and solar-steam-assisted desalination. With all recent progress pertaining to materials' design and sustainable applications presented, a vision for the future engineering of wood-based materials to promote continuous and healthy progress toward true sustainability is outlined. PMID- 29205547 TI - Halogenated Alkyltetrazoles for the Rational Design of FeII Spin-Crossover Materials: Fine-Tuning of the Ligand Size. AB - 1-(3-Halopropyl)-1H-tetrazoles and their corresponding FeII spin-crossover complexes have been investigated in a combined experimental and theoretical study. Halogen substitution was found to positively influence the spin transition, shifting the transition temperature about 70 K towards room temperature. Halogens located at the omega position were found to be too far away from the coordinating tetrazole moiety to have an electronic impact on the spin transition. The subtle variation of the steric demand of the ligand in a highly comparable series was found to have a comparatively large impact on the spin transition behavior, which highlights the sensitivity of the effect to subtle structural changes. PMID- 29205548 TI - Selective Transformation of Well-Defined Alkenyllithiums to Alkenylmagnesiums via Transmetalation. AB - A series of butadienyl organomagnesium complexes, including 1-Li-4-(MgR) butadienes, 1,4-bis(MgR)-butadienes, and 1-Mg-4-(MgR)-butadiene were synthesized starting with 1,4-dilithio butadienes via the transmetalation reaction between alkenyllithium bond and alkenylmagnesium bond. Single-crystal X-ray structural analysis of these butadienyl organomagnesiates revealed unique bonding modes. Study on their structural transformation demonstrated that 1-Li-4-(MgR)-butadiene is the key intermediate in the reaction process leading to the formation of 1,4 bis(MgR)-butadiene and 1-Mg-4-(MgR)-butadiene. PMID- 29205549 TI - Identification and characterization of antibodies elicited by human cystatin C fragment. AB - Amyloid formation is associated with a number of neurodegenerative diseases that affect the independence and quality of life of aging populations. One of rather atypical, occurring at a young age amyloidosis is hereditary cystatin C amyloid angiopathy (HCCAA) related to aggregation of L68Q variant of human cystatin C (hCC). Human cystatin C plays a very important role in many aspects of human health; however, its amyloidogenic properties manifested in HCCAA present a real, lethal threat to some populations and any work on factors that can affect possible influencing hCC aggregation is not to overestimate. It was proved that interaction of hCC with monoclonal antibodies suppresses significantly hCC dimerization process. Therefore, immunotherapy seems to be the right approach toward possible HCCAA treatment. In this work, the hCC fragment encompassing residue 60-70 (in 2 variants: linear peptide and multiple antigenic peptide) was used as an immunogen in rabbit immunization. As a result, specific anti-hCC antibodies were found in both rabbit sera. Surprisingly, rabbit antibodies were obtained after immunization with only a short peptide. The obtained antibodies were characterized, and their influence on the aggregation propensity of the hCC molecules was evaluated. The antibodies turned out not to have any significant influence on the cystatin C dimerization process. Nevertheless, we hope that antibodies elicited in rabbits by other hCC fragments could lead to elaboration of effective treatment against HCCAA. PMID- 29205550 TI - Co-Structure-Directing Effect in Ionothermal Synthesis of Extra-Large-Pore Aluminophosphate Zeotype with -CLO Topology. AB - The ionothermal synthesis of extra-large-pore aluminophosphate zeotype with -CLO topological structure, DNL-1, was studied by using 1,6-hexanediamine and several quaternary ammonium compounds with different types of cations and anions as co structure-directing agents (co-SDAs). The phase selectivity and crystallization process were investigated, and results showed that the crystallization of the CLO and LTA structures correlated with the alkalinity and concentration, rather than with the structure of the co-SDA. By combining solid/solution 13 C NMR spectroscopy and other characterizations on DNL-1 obtained with different co SDAs, it was demonstrated that the ionic-liquid cation was unalterably occluded in the structure, whereas occlusion of the co-SDA cation was not imperative. A plausible crystallization pathway was accordingly deduced, in which alkaline co SDA, which acted as an acidity regulator in the ionothermal system, could facilitate the formation of the double-four-ring (d4r) unit (Al4 P4 O20 ), and influence their subsequent assembly mode around ionic-liquid cations, and thus, direct the crystallization of -CLO and LTA structures at different concentrations of co-SDA. PMID- 29205551 TI - Regulatory genes coordinating antibiotic-induced changes in promoter activity and early transcriptional termination of the mycobacterial intrinsic resistance gene whiB7. AB - Diseases caused by various Mycobacterium sp., especially Mycobacterium tuberculosis, are a major burden on global health care. Due to high intrinsic antibiotic resistance, treatment options are severely limited. In mycobacteria, WhiB7 coordinates intrinsic resistance to a broad range of antibiotics. While WhiB7 has been established as an auto-regulatory transcriptional activator, the signals and genes needed to induce its expression are poorly understood. Using Mycobacterium smegmatis as a model, we coupled transposon mutagenesis and next generation sequencing with WhiB7-specific antibiotic selection to identify genes that contribute to WhiB7 regulation and function. We showed that whiB7 expression was regulated by two coordinated processes: early termination of the whiB7 transcript and increased whiB7 promoter activity. Early termination was irreversibly maintained by constitutive expression of a putative aspartate aminotransferase gene, MSMEG_4060. A pair of hypothetical genes, MSMEG_3637 and MSMEG_3638, were identified as important contributors to whiB7 promoter induction on antibiotic challenge. Expansion of our understanding of the WhiB7-resistance pathway may lead to identification of inhibitors that allow the use of previously ineffective antibiotics to treat mycobacterial diseases. PMID- 29205552 TI - The role of the CroR response regulator in resistance of Enterococcus faecalis to D-cycloserine is defined using an inducible receiver domain. AB - Enterococcus faecalis is an opportunistic multidrug-resistant human pathogen causing severe nosocomial infections. Previous investigations revealed that the CroRS two-component regulatory pathway likely displays a pleiotropic role in E. faecalis, involved in virulence, macrophage survival, oxidative stress response as well as antibiotic resistance. Therefore, CroRS represents an attractive potential new target for antibiotherapy. In this report, we further explored CroRS cellular functions by characterizing the CroR regulon: the 'domain swapping' method was applied and a CroR chimera protein was generated by fusing the receiver domain from NisR to the output domain from CroR. After demonstrating that the chimera CroR complements a croR gene deletion in E. faecalis (stress response, virulence), we conducted a global gene expression analysis using RNA Seq and identified 50 potential CroR targets involved in multiple cellular functions such as cell envelope homeostasis, substrate transport, cell metabolism, gene expression regulation, stress response, virulence and antibiotic resistance. For validation, CroR direct binding to several candidate targets was demonstrated by EMSA. Further, this work identified alr, the gene encoding the alanine racemase enzyme involved in E. faecalis resistance to D-cycloserine, a promising antimicrobial drug to treat enterococcal infections, as a member of the CroR regulon. PMID- 29205553 TI - Vitronectin (Vn) glycosylation patterned by lectin affinity assays-A potent glycoproteomic tool to discriminate plasma Vn from cancer ascites Vn. AB - Changes in glycosylation have been associated with human cancer, but their complexity poses an analytical challenge. Ovarian cancer is a major cause of death in women because of an often late diagnosis. At least one-third of patients presents ascites fluid at diagnosis, and almost all have ascites at recurrence. Vitronectin (Vn) is a multifunctional glycoprotein that is suggested to be implicated in ovarian cancer metastasis and is found within ascites. The present study evaluated the potential of using lectin affinity for characterizing the glycosylation pattern of Vn. Human Vn was purified from 1 sample of ovarian cancer ascites or a pool of plasma samples. Consistent findings were observed with both dot blot and lectin array assays. Based on a panel of 40 lectins, the lectin array revealed discriminant patterns of lectin binding to Vn glycans. Interestingly, almost all the highlighted interactions were found to be higher with Vn from ascites relative to the plasma counterpart. Also, the lectin array was able to discriminate profiles of lectin interactions (ConA, SNA-I, PHA-E, PHA L) between Vn samples that were not evident using dot blot, indicating its high sensitivity. The model of ConA binding during thermal unfolding of Vn confirmed the higher accessibility of mannosylated glycans in Vn from ascites as monitored by turbidimetry. Thus, this study demonstrated the usefulness of lectins and the lectin array as a glycoproteomic tool for high throughput and sensitive analysis of glycosylation patterns. Our data provide novel insights concerning Vn glycosylation patterns in clinical specimens, paving the way for further investigations regarding their functional impact and clinical interest. PMID- 29205555 TI - On the Lewis Acidity of the Oxoiron(IV) Unit in a Tetramethylcyclam Complex. AB - The correlation between oxidation state and Lewis acidity is well established for hexaquairon complexes in the +II and +III oxidation state, in which the higher oxidation state leads to a lower pKa for the bound H2 O ligand. This article addresses the Lewis acidity of the oxoiron(IV) complex [FeIV (O)(TMC)(OH2 )]2+ (1 OH2 ; TMC=1,4,8,11-tetramethylcyclam) by determining the pKa of the H2 O ligand. We establish that 1-OH2 has a pKa of 6.9+/-0.5, a value that falls in between those found for [FeIII (OH2 )6 ]3+ and [FeII (OH2 )6 ]2+ . This intermediate value can be readily rationalized by the presence of the highly basic oxide ligand that mitigates the Lewis acidity of the iron(IV) center. Although the oxo ligand occupies only one position in 1-OH2 , anti to all four methyl groups that protrude from the same face of the nonplanar TMC ligand, its conjugate base 1-OH exists as a mixture of syn and anti tautomers, which are related by proton transfer between the oxo and the hydroxo ligands. PMID- 29205556 TI - Rational Design of Organically Functionalized Polyoxopalladates and Their Supramolecular Properties. AB - The SrII -centered 12-palladate(II) open-cube {SrPd12 (OAc)3 } has been systematically evolved by substitution of the three acetate ligands by a library of saturated carboxylic acids with increasing chain lengths leading to four novel polyoxopalladates(II) with the formula [SrPd12 O6 (OH)3 (PhAsO3 )6 (L)3 ]4- (SrPd12 L3 , L=Cn H2n+1 COO, n=2 to 5). These first examples of surfactant-type polyoxopalladates with a hydrophilic metal-oxo unit and three hydrophobic alkyl chains were characterized in the solid state (single-crystal XRD, FTIR, TGA), in solution (1 H, 13 C NMR spectroscopy), and in the gas phase (ESI-MS). The two polyanions SrPd12 L3 with chain lengths of 5 and 6 are the first examples of polyoxopalladates that are soluble and stable in organic media. The Na salts of the amphiphilic polyoxopalladates SrPd12 L3 were shown to self-assemble into "blackberry"-type spherical supramolecular structures in dilute solutions, of which an unusual "volcano"-shaped trend of assembly size versus solvent polarity is chiefly influenced by directional hydrogen bonding interactions. PMID- 29205554 TI - VapA of Rhodococcus equi binds phosphatidic acid. AB - Rhodococcus equi is a multihost, facultative intracellular bacterial pathogen that primarily causes pneumonia in foals less than six months in age and immunocompromised people. Previous studies determined that the major virulence determinant of R. equi is the surface bound virulence associated protein A (VapA). The presence of VapA inhibits the maturation of R. equi-containing phagosomes and promotes intracellular bacterial survival, as determined by the inability of vapA deletion mutants to replicate in host macrophages. While the mechanism of action of VapA remains elusive, we show that soluble recombinant VapA32-189 both rescues the intramacrophage replication defect of a wild type R. equi strain lacking the vapA gene and enhances the persistence of nonpathogenic Escherichia coli in macrophages. During macrophage infection, VapA was observed at both the bacterial surface and at the membrane of the host-derived R. equi containing vacuole, thus providing an opportunity for VapA to interact with host constituents and promote alterations in phagolysosomal function. In support of the observed host membrane binding activity of VapA, we also found that rVapA32 189 interacted specifically with liposomes containing phosphatidic acid in vitro. Collectively, these data demonstrate a lipid binding property of VapA, which may be required for its function during intracellular infection. PMID- 29205557 TI - Efficient Reduction of CO2 to CO Using Cobalt-Cobalt Oxide Core-Shell Catalysts. AB - The route of converting CO2 to CO by reverse water-gas shift (RWGS) reaction is of particular interest due to the direct use of CO as feedstock in many significant industrial processes. Here, an engineered cobalt-cobalt oxide core shell catalyst (Co@CoO) with nanochains structure has been made for the efficient reduction of CO2 to useful CO. Owing to the excellent performance for H2 activation of metal nanoparticles and the enhanced absorption and activation for CO2 molecule of defective metal oxides, the unique synergistic effect of metallic Co and encapsulating coordinatively unsaturated CoO species shows high performance for clean generation of CO under moderate and practical conditions. Furthermore, with N-dopant into the defective CoO shell, the Co@CoO-N achieves the highest conversion of 19.2 % and an exceptional CO evolution rate of 96 mL min-1 gcat-1 at 523 K with a gas hourly space velocity (GHSV) of 42,000 mL gcat 1 h-1 , which is comparable with the previously reported materials under identical conditions. PMID- 29205558 TI - Superconducting Hydrogen Sulfide. AB - The recent discovery of superconductivity above 200 K in hydrogen sulfide under high pressure marks a milestone in superconductor research. Not only does its critical temperature Tc exceed the previous record in cuprates by more than 50 K, the superconductivity in hydrogen sulfide also exhibits convincing evidence that it is of conventional phonon-mediated type. Moreover, this is the first time that a previously unknown high-Tc superconductor is predicted by theory and afterwards verified by experiment. In this Minireview, we survey the progress made in the last three years in understanding this novel material, and discuss unsolved problems and possible developments to encourage future investigations. PMID- 29205559 TI - Bandgap Optimization of Perovskite Semiconductors for Photovoltaic Applications. AB - The bandgap is the most important physical property that determines the potential of semiconductors for photovoltaic (PV) applications. This Minireview discusses the parameters affecting the bandgap of perovskite semiconductors that are being widely studied for PV applications, and the recent progress in the optimization of the bandgaps of these materials. Perspectives are also provided for guiding future research in this area. PMID- 29205560 TI - Targeting cancer stem cells and signaling pathways by resveratrol and pterostilbene. AB - In past decades, increasing evidence regarding cancer stem cells (CSCs) may account for carcinogenesis, tumor drug-resistant, and metastasis. CSCs are even considered as the root causes of tumor recurrence and metastases. Targeting CSCs may provide a new clue to cure cancer. Epidemiological and clinical studies have suggested that intake of dietary natural products may bring health benefits including lowering risk of cancer incidence. In this review, we have particularly focused on targeting signaling pathways of CSCs by natural resveratrol and its dimethylated derivative pterostilbene. (c) 2017 BioFactors, 44(1):61-68, 2018. PMID- 29205561 TI - Tracing the source of methomyl using stable isotope analysis. AB - RATIONALE: Pesticide self-poisoning is a major method of suicide in many agricultural communities worldwide. In addition, there are a number of known crime cases related to people being harmed by insecticides. Methomyl, a prohibited insecticide in the Republic of Korea, has high toxicity and is frequently used for self-poisoning. In this study, we investigated the source of origin of methamyl in a fatal poisoning case using stable isotope ratio analysis. METHODS: Two bottles of Soju from a crime scene were seized and nine different brands of methomyl products were collected from the neighborhood for analysis. In addition, the gastric contents and energy drink from the person who had committed suicide were analyzed. Isotope analysis using GC/Isolink/IRMS was conducted to determine the source of the methomyl by comparing their carbon and nitrogen isotope ratios. Linear discriminant analysis was utilized to verify the results. RESULTS: Isotope ratio analysis showed that the isotope ratio ranges of methomyl found in the Soju, the gastric contents of the suicide victim, and the energy drink bottle were similar to those of a seized methomyl product, Samgong methomyl 2011 (SG11). Thus, it was assumed that SG11 was used in this fatal poisoning case. CONCLUSIONS: This study demonstrates the potential of stable isotope ratio analysis for the determination of insecticide origin in fatal poisoning cases. PMID- 29205562 TI - Ammonothermal Synthesis and Optical Properties of Ternary Nitride Semiconductors Mg-IV-N2 , Mn-IV-N2 and Li-IV2 -N3 (IV=Si, Ge). AB - Grimm-Sommerfeld analogous nitrides MgSiN2 , MgGeN2 , MnSiN2 , MnGeN2 , LiSi2 N3 and LiGe2 N3 (generally classified as II-IV-N2 and I-IV2 -N3 ) are promising semiconductor materials with great potential for application in (opto)electronics or photovoltaics. A new synthetic approach for these nitride materials was developed using supercritical ammonia as both solvent and nitride-forming agent. Syntheses were conducted in custom-built high-pressure autoclaves with alkali metal amides LiNH2 , NaNH2 or KNH2 as ammonobasic mineralizers, which accomplish an adequate solubility of the starting materials and promote the formation of reactive intermediate species. The reactions were performed at temperatures between 870 and 1070 K and pressures up to 230 MPa. All studied compounds crystallize in wurtzite-derived superstructures with orthorhombic space groups Pna21 (II-IV-N2 ) and Cmc21 (I-IV2 -N3 ), respectively, which was confirmed by powder X-ray diffraction. Optical bandgaps were estimated from diffuse reflectance spectra using the Kubelka-Munk function (MgSiN2 : 4.8 eV, MgGeN2 : 3.2 eV, MnSiN2 : 3.5 eV, MnGeN2 : 2.5 eV, LiSi2 N3 : 4.4 eV, LiGe2 N3 : 3.9 eV). Complementary DFT calculations were carried out to gain insight into the electronic band structures of these materials and to corroborate the optical measurements. PMID- 29205563 TI - Tetraphenylethylene Foldamers with Double Hairpin-Turn Linkers, TNT-Binding Mode and Detection of Highly Diluted TNT Vapor. AB - Tetraphenylethylene (TPE) foldamers with double hairpin-turn linkers showing an aggregation-induced emission (AIE) effect have been synthesized for the first time. A crystal structure of a foldamer-TNT complex has been obtained, enabling unprecedented direct observation of the interactions between TNT molecules and the chromophores of the foldamer. Instead of pi-pi stacking interactions, which have often been considered to be the key mechanism in the binding of TNT by chromophoric receptors, strong n-pi interactions between the nitro groups of TNT and the aromatic rings of the foldamer have been found. Exceptionally, by addition of 1 % NaF to a suspension of the foldamer in H2 O/THF (95:5), the fluorescence quenching efficiency by TNT vapor significantly increased from about 20 % to more than 90 %. Even after diluting TNT-saturated air at 25 degrees C by a factor of 2*104 , an obvious quenching response was observed, indicating that ultratrace TNT vapor (down to 3.4 fg per mL of air) could be detected. PMID- 29205564 TI - Efficient Buchwald-Hartwig-Migita Cross-Coupling for DNA Thioglycoconjugation. AB - An efficient method for the thioglycoconjugation of iodinated oligonucleotides by Buchwald-Hartwig-Migita cross-coupling under mild conditions is reported. The method enables divergent synthesis of many different functionalized thioglycosylated ODNs in good yields, without affecting the integrity of the other A, C, and G nucleobases. PMID- 29205565 TI - Binding Profiles of Self-Assembled Supramolecular Cages from ESI-MS Based Methodology. AB - Confined molecular environments have peculiar characteristics that make their properties unique in the field of biological and chemical sciences. In recent years, advances in supramolecular capsule and cage synthesis have presented the possibility to interpret the principles behind their self-assembly and functions, which has led to new molecular systems that display outstanding properties in molecular recognition and catalysis. Herein, we report a rapid method based on ESI-MS to determine the binding profiles for linear saturated dicarboxylic acids in a series of different cages. The cages were obtained by self-assembly of modified tris(pyridylmethyl)amine (TPMA) complexes and diamines chosen to explore variations in their size and flexibility. This methodology has provided information on how small changes in the structures of the host and guest can contribute to recognition events. Moreover, it was possible to study molecular systems that contain paramagnetic metals, which are not suitable for classical binding-constant determination by 1 H NMR spectroscopy. PMID- 29205566 TI - Transglutaminase type 2 plays a key role in the pathogenesis of Mycobacterium tuberculosis infection. AB - BACKGROUND: Mycobacterium tuberculosis (MTB), the aetiological agent of tuberculosis (TB), is capable of interfering with the phagosome maturation pathway, by inhibiting phagosome-lysosome fusion and the autophagic process to ensure survival and replication in macrophages. Thus, it has been proposed that the modulation of autophagy may represent a therapeutic approach to reduce MTB viability by enhancing its clearance. OBJECTIVE: The aim of this study was to investigate whether transglutaminase type 2 (TG2) is involved in the pathogenesis of MTB. RESULTS: We have shown that either genetic or pharmacological inhibition of TG2 leads to a marked reduction in MTB replicative capacity. Infection of TG2 knockout mice demonstrated that TG2 is required for MTB intracellular survival in macrophages and host tissues. The same inhibitory effect can be reproduced in vitro using Z-DON, a specific inhibitor of the transamidating activity of TG2. Massive cell death observed in macrophages that properly express TG2 is hampered by the absence of the enzyme and can be largely reduced by the treatment of wild type macrophages with the TG2 inhibitor. Our data suggest that reduced MTB replication in cells lacking TG2 is due to the impairment of LC3/autophagy homeostasis. Finally, we have shown that treatment of MTB-infected murine and human primary macrophages with cystamine, a TG2 inhibitor already tested in clinical studies, causes a reduction in intracellular colony-forming units in human macrophages similar to that achieved by the anti-TB drug capreomycin. CONCLUSION: These results suggest that inhibition of TG2 activity is a potential novel approach for the treatment of TB. PMID- 29205567 TI - Analytical Understanding of the Materials Design with Well-Described Shrinkages on Multiscale. AB - Shrinkages derived from condensation of frameworks are one of the significant steps for fabricating demanded materials having unique morphologies and properties. Enormous efforts have been dedicated to understanding their mechanisms that are quite useful for the materials design. In this context, diversified measuring and observing tools have been facilitated to evaluate structural contractions and corresponding driving forces. All of the investigations are crucial to encourage the utilization of such shrinkages for the precise design of nanomaterials. In this review, we summarize significant works how to analyze shrinkages in multiscale during the synthesis of materials, which will be useful as a follow-up review to our latest contribution. Well defined porous materials are also selected as a good candidate for understanding well-described shrinkages. This review aims to provide a detailed glimpse of the development of analyses on shrinking behaviors in multiscale for the materials design. Shrinking degree and direction in multiscale, which are driven by condensation of frameworks, are predominant for understanding and/or predicting final nanostructures of materials after shrinkages. PMID- 29205568 TI - Johnson Solids: Anion-Templated Silver Thiolate Clusters Capped by Sulfonate. AB - Sulfonates were incorporated into six novel high-nuclearity silver(I) thiolate clusters under the guidance of anion templates varied from S2- , SO42- , alpha [Mo5 O18 ]6- , beta-[Mo5 O18 ]6- , [Mo2 O8 ]4- , to [Mo4 O14 (SO4 )]6- . Single crystal X-ray analysis revealed that SD/Ag1, SD/Ag3, SD/Ag5, and SD/Ag6 are discrete [S@Ag60 ], [alpha-Mo5 O18 @Ag36 ], [Mo2 O8 @Ag30 ]2 , and [Mo4 O14 (SO4 )@Ag73 ] clusters, respectively, whereas SD/Ag2 and SD/Ag4 are one-dimensional (1D) chains based on the [SO4 @Ag20 ] and [beta-Mo5 O18 @Ag36 ] cluster subunits, respectively. Their silver skeletons are protected exteriorly by thiolates and sulfonates and interiorly supported by diverse anions as templates. Structurally, cluster SD/Ag1 is a typical core-shell structure comprised of an inner Ag12 cuboctahedron and an outer Ag48 shell. The sulfate-templated drum-like Ag20 cluster subunits are bridged by PhSO3- to give a 1D chain of SD/Ag2. Complex SD/Ag3 and SD/Ag4 are spindle-like Ag36 clusters with isomeric [Mo5 O18 ]6- inside, and the latter is further extended to a 1D chain through PhSO3- bridges. A pair of [Mo2 O8 ]4- templated gourd-like Ag30 clusters are dimerized in a head to-head fashion to form SD/Ag5. Complex SD/Ag6 is the largest cluster in this family and doubly templated by unprecedented [Mo4 O14 (SO4 )]6- anions. Geometrically, the silver shells of SD/Ag1-SD/Ag5 show the polyhedral features of Johnson solids, instead of the usual Platonic or Archimedean solids. Solution behaviors and luminescent properties were also investigated in detail. PMID- 29205569 TI - No difference in self-reported frequency of choking between infants introduced to solid foods using a baby-led weaning or traditional spoon-feeding approach. AB - BACKGROUND: Baby-led weaning (BLW) where infants self-feed family foods during the period that they are introduced to solid foods is growing in popularity. The method may promote healthier eating patterns, although concerns have been raised regarding its safety. The present study therefore explored choking frequency amongst babies who were being introduced to solid foods using a baby-led or traditional spoon-fed approach. METHODS: In total, 1151 mothers with an infant aged 4-12 months reported how they introduced solid foods to their infant (following a strict BLW, loose BLW or traditional weaning style) and frequency of spoon-feeding and puree use (percentage of mealtimes). Mothers recalled if their infant had ever choked and, if so, how many times and on what type of food (smooth puree, lumpy puree, finger food and specific food examples). RESULTS: In total, 13.6% of infants (n = 155) had ever choked. No significant association was found between weaning style and ever choking, or the frequency of spoon or puree use and ever choking. For infants who had ever choked, infants following a traditional weaning approach experience significantly more choking episodes for finger foods (F2,147 = 4.417, P = 0.014) and lumpy purees (F2,131 = 6.46, P = 0.002) than infants following a strict or loose baby-led approach. CONCLUSIONS: Baby-led weaning was not associated with increased risk of choking and the highest frequency of choking on finger foods occurred in those who were given finger foods the least often. However, the limitations of noncausal results, a self-selecting sample and reliability of recall must be emphasised. PMID- 29205570 TI - Brain angiogenic gene expression in fetuses with congenital heart disease. AB - OBJECTIVE: To assess potential differences in the expression of antiangiogenic and angiogenic factors and of genes associated with chronic hypoxia in cerebral tissue of euploid fetuses with congenital heart disease (CHD) vs those without. METHODS: Cerebral tissue was obtained from 15 fetuses with CHD and 12 control fetuses that had undergone termination of pregnancy. Expression profiles of the antiangiogenic factor soluble fms-like tyrosine kinase-1 (sFlt-1), the angiogenic vascular endothelial growth factor-A (VEGF-A) and placental growth factor (PlGF), and of genes associated with chronic hypoxia were determined by real-time polymerase chain reaction in tissue from the frontal cortex and the basal ganglia of the fetuses. RESULTS: Expression of sFlt-1 was 48% higher in the frontal cortex (P = 0.0431) and 72% higher in the basal ganglia (P = 0.0369) of CHD fetuses compared with controls. The expression of VEGF-A was 60% higher (P = 0.0432) and that of hypoxia-inducible factor 2-alpha was 98% higher (P = 0.0456) in the basal ganglia of CHD fetuses compared with controls. No significant differences were observed between the two groups in the expression of PlGF and hypoxia-inducible factor 1-alpha. CONCLUSION: An overall dysregulation of angiogenesis with a net balance towards an antiangiogenic environment was observed in the cerebral tissue of fetuses with CHD, suggesting that these fetuses may have an intrinsic angiogenic impairment that could contribute to impaired brain perfusion and abnormal neurological development later in life. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29205571 TI - Ultrasound curricula in obstetrics and gynecology training programs. PMID- 29205572 TI - A Luminescent Dinuclear EuIII /TbIII Complex with LMCT Band as a Single-Molecular Thermosensor. AB - Temperature-dependent luminescence of a dinuclear EuIII /TbIII complex with a seven-coordinate structure is demonstrated. The dinuclear complex is composed of two lanthanide ions, six tetramethylheptanedionate ligands, and a bidentate phosphine oxide linker ligand. The dinuclear structure of the complex was characterized by single-crystal XRD. Intrinsic 4f-4f emission quantum yields of the dinuclear EuIII and TbIII complexes were 66 and 61 %, respectively. The luminescence color of the dinuclear EuIII /TbIII complex changed from red to green with increasing temperature. The thermosensing range based on the ratio of luminescence intensity (AEu /ATb ) was 100-450 K. The temperature-dependent luminescence is due to the presence of a ligand-to-metal charge-transfer state. PMID- 29205573 TI - Serum relaxin and cervical length for prediction of spontaneous preterm birth in second-trimester symptomatic women. AB - OBJECTIVE: To investigate whether serum relaxin level is associated with preterm birth in symptomatic women, either as a standalone test or in the context of a combined model of serum relaxin and cervical length (CL). METHODS: This was a case-control study of women with a singleton pregnancy who presented between 24 + 0 and 26 + 6 weeks' gestation with threatened preterm labor and intact membranes. CL, full blood count, C-reactive protein level and maternal demographics were recorded at presentation, and blood samples were taken for relaxin measurement. Parameters were compared between women who delivered preterm (before 37 weeks) (n = 46) and those delivering at term (n = 66). Logistic regression with receiver operating characteristics (ROC) curve analysis was used to assess significant predictors for birth before 37 and before 34 weeks. RESULTS: Women delivering before 37 weeks had higher mean serum relaxin levels and lower mean CL than those delivering at term (P < 0.0001). Relaxin alone had 63% (95% CI, 49-75%) sensitivity for birth before 37 weeks and 61% (95% CI, 47-74%) for birth before 34 weeks, at a 10% false-positive rate (FPR). Serum relaxin levels did not correlate with CL; a combined model of the two predictors had an area under the ROC curve of 0.895 (95%CI, 0.835-0.954) for the prediction of birth before 37 weeks and 0.869 (95% CI, 0.802-0.937) for birth before 34 weeks (n = 44). Serum relaxin > 1010 pg/mL had 58% sensitivity for prediction of preterm birth in women with a CL > 15 mm, at a 10% FPR. CONCLUSIONS: High serum relaxin level is associated with an increased risk of preterm birth in second-trimester symptomatic women with intact membranes. A combination of serum relaxin and CL increases predictive accuracy for preterm birth. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29205574 TI - Different pre-scanning instructions induce distinct psychological and resting brain states during functional magnetic resonance imaging. AB - Resting-state functional magnetic resonance imaging (rs-fMRI) is widely used to investigate functional brain network connectivity during rest or when the subject is not performing an explicit task. In the standard procedure, subjects are instructed to 'let your mind wander' or 'think of nothing'. While these instructions appear appropriate to induce a 'resting-state', they could induce distinct psychological and physiological states during the scan. In this study, we investigated whether different instructions affect mental state and functional connectivity (FC) (i.e. induce distinct 'resting states') during rs-fMRI scanning. Thirty healthy subjects were subjected to two rs-fMRI scans differing only in pre-scan instructions: think of nothing (TN) and mind-wandering (MW) conditions. Self-reports confirmed that subjects spent the majority of the scanning time in the appropriate mental state. Independent component analysis extracted 19 independent components (ICs) of interest and functional network connectivity analyses indicated several conditional differences in FCs among those ICs, especially characterised by stronger FC in the MW condition than in the TN condition, between default mode network and salience/visual/frontal network. Complementary correlation analysis indicated that some of the network FCs were significantly correlated with their self-reported data on how often they had the TN condition during the scans. The present results provide evidence that the pre-scan instruction has a significant influence on resting-state FC and its relationship with mental activities. PMID- 29205575 TI - Panchromatic Photosensitizers Based on Push-Pull, Unsymmetrically Substituted Porphyrazines. AB - A series of five push-pull porphyrazines of A3 B type, in which unit B is an isoindole 4-carboxylic acid, has been prepared. The units A have been endowed with thioether, amine, ether and alkyl functions, either directly attached to the beta-position of the pyrrolic units, or connected to the porphyrazine core through p-substituted phenyl groups. Attaching the electron-donor functions to the porphyrazine periphery produces strong perturbations in the electronic and redox properties of the dyes. Their HOMO and LUMO energies, estimated from the optical and redox data, as well as with DFT calculations, raise upon functionalization with amines, while the corresponding frontier orbital energetic levels lower upon functionalization with thioethers, p-methoxyphenyl or p-tert butylphenyl groups. The effective interaction of peripheral substitution with the macrocycle produces chromophores with panchromatic absorption between 300 and 750 850 nm. PMID- 29205577 TI - Corrigendum. PMID- 29205576 TI - Investigation of (Me4 N)SCF3 as a Stable, Solid and Safe Reservoir for S=CF2 as a Surrogate for Thiophosgene. AB - While thiophosgene finds widespread usage on a multi-ton scale, its fluorinated counterpart S=CF2 is essentially unexplored in synthesis. Using experimental reactivity tests, ReactIR and computational techniques, we herein showcase that the solid (Me4 N)SCF3 functions as a safe reservoir for S=CF2 . A key feature is that the reactive electrophile is not simply released over time, but instead is liberated under activation with a protic nucleophile. The reactivity of S=CF2 is mild, allowing large-scale and late-stage synthetic applications without special reaction control. The mechanism was fully elucidated, including a rationalization of the role of the Me4 N cation and the origins of selectivity. PMID- 29205578 TI - Re: Automatic ultrasound technique to measure angle of progression during labor. F. Conversano, M. Peccarisi, P. Pisani, M. Di Paola, T. De Marco, R. Franchini, A. Greco, G. D'Ambrogio and S. Casciaro. Ultrasound Obstet Gynecol 2017; 50: 766 775. PMID- 29205579 TI - Reply. PMID- 29205580 TI - Corrigendum. PMID- 29205581 TI - Alternative explanations for linking chronic hypertension to adverse pregnancy outcome. PMID- 29205582 TI - Reply. PMID- 29205584 TI - ISUOG Guidelines for fetal MRI: a response to 3-T fetal imaging and limited fetal exams. PMID- 29205585 TI - Re: Influence of chorionicity and gestational age at single fetal loss on risk of preterm birth in twin pregnancy: analysis of STORK multiple pregnancy cohort. F. D'Antonio, B. Thilaganathan, T. Dias and A. Khalil, on behalf of the Southwest Thames Obstetric Research Collaborative (STORK). Ultrasound Obstet Gynecol 2017; 50: 723-727. PMID- 29205587 TI - The impact of repeat FNA in non-diagnostic and indeterminate thyroid nodules: A 5 year single-centre experience. AB - INTRODUCTION: FNA is a well-established method for the preoperative diagnosis of thyroid nodules, but limitations still reside among non-diagnostic and indeterminate samples. The objective of the present study was to assess the impact of repeat FNA in thyroid nodules primarily classified as non-diagnostic and indeterminate, with the evaluation of the diagnostic resolution rate after the reassessment of the nodule. METHODS: We retrospectively collected all cases of thyroid FNA at our institution in the last 5 years that had one or more repeat aspirations of the same nodule, calculating the percentage of samples with change in the diagnostic category. Additional collected data included sex, age and interval between the repeat aspirations. RESULTS: One hundred and seventy-eight specimens from 167 patients (140 female, 27 male) with a median age of 56 years (range 11-90) were included in the study. Among the 86 cases primarily classified as non-diagnostic, 25 (29.1%) remained in the same category after the first reassessment and only 18 (20.9%) after the second repeat aspiration. Among the 40 indeterminate cases, only 10 (25%) retained their status after the second aspiration, with no change after the third assessment. CONCLUSION: Repeat aspiration of non-diagnostic and indeterminate thyroid nodules had a positive impact in both groups, with diagnostic resolution rates of 80% and 75%, respectively. The present study therefore endorses the use of such strategy for the initial follow-up of nodules with no definite diagnosis, especially in low resource centres with limited access to modern molecular technologies. PMID- 29205588 TI - Machine learning for decoding listeners' attention from electroencephalography evoked by continuous speech. AB - Previous research has shown that it is possible to predict which speaker is attended in a multispeaker scene by analyzing a listener's electroencephalography (EEG) activity. In this study, existing linear models that learn the mapping from neural activity to an attended speech envelope are replaced by a non-linear neural network (NN). The proposed architecture takes into account the temporal context of the estimated envelope and is evaluated using EEG data obtained from 20 normal-hearing listeners who focused on one speaker in a two-speaker setting. The network is optimized with respect to the frequency range and the temporal segmentation of the EEG input, as well as the cost function used to estimate the model parameters. To identify the salient cues involved in auditory attention, a relevance algorithm is applied that highlights the electrode signals most important for attention decoding. In contrast to linear approaches, the NN profits from a wider EEG frequency range (1-32 Hz) and achieves a performance seven times higher than the linear baseline. Relevant EEG activations following the speech stimulus after 170 ms at physiologically plausible locations were found. This was not observed when the model was trained on the unattended speaker. Our findings therefore indicate that non-linear NNs can provide insight into physiological processes by analyzing EEG activity. PMID- 29205589 TI - Carnosine decreased oxidation and glycation products in serum and liver of high fat diet and low-dose streptozotocin-induced diabetic rats. AB - High-fat diet (HFD) and low-dose streptozotocin (STZ)-treated rats provide useful animal model for type II diabetes mellitus. Oxidative stress and advanced glycation end products (AGEs) play a role in the development of diabetic complications. Carnosine (CAR) has anti-oxidant and anti-glycating properties. We investigated the effects of CAR on oxidation and glycation products in HFD+STZ rats. Rats were fed with HFD (60% of total calories from fat) for 4 weeks, and then a single dose of STZ (40 mg/kg; i.p.) was applied. Rats with blood glucose levels above 200 mg/dl were fed with HFD until the end of the 12th week. CAR (250 mg/kg body weight; i.p.; five times a week) was administered to the rats for the last four weeks. CAR significantly decreased serum triglyceride (TG) (57.7%), cholesterol (35.6%) levels and hepatic marker enzyme activities of HFD+STZ rats. It significantly reduced serum reactive oxygen species (ROS) (23.7%), AGEs (13.4%) and advanced oxidized protein products (AOPP) (35.9%) and hepatic TG (59%), ROS (26%), malondialdehyde (MDA) (11.5%), protein carbonyl (PC) (19.2%) and AGE (20.2%) levels. Liver steatosis and hepatocyte ballooning were also significantly reduced. However, CAR treatment did not alter serum glucose and blood glycated haemoglobin and hepatic anti-oxidant enzyme activities/mRNA expressions in HFD+STZ rats. Our results indicate that CAR decreased accumulation of oxidation and glycation products, such as MDA, AGE, AOPP and PC in the serum and liver and ameliorated hepatic dysfunction in HFD+STZ rats. This effect may be related to its anti-oxidative, anti-glycating, and anti-lipogenic potential. PMID- 29205590 TI - OsOFP19 modulates plant architecture by integrating the cell division pattern and brassinosteroid signaling. AB - Characterization of OVATE family proteins (OFPs) has revealed that they exert functions by interacting with different types of transcription factor. However, the molecular bases of these processes are poorly understood. Here, we report that OsOFP19 negatively modulates brassinosteroid (BR) response and integrates it with the cell division pattern to affect plant architecture, including grain shape, through interaction with both DWARF AND LOW-TILLERING (DLT) and Oryza sativa homeobox1 (OSH1). Overexpression of OsOFP19 caused a semi-dwarf stature with thicker leaves and stronger culms and roots, which result from an increase in cell layers in the sub-epidermal tissue. Further studies revealed that OsOFP19 interacts with OSH1, and that this interaction mutually enhances the transcriptional activity of these proteins and leads to a transition from anticlinal to periclinal cell division. Furthermore, DLT interacts with both OsOFP19 and OSH1 and acts as an antagonist in the two interactions. Therefore, OsOFP19, OSH1 and DLT form a functional complex which plays a pivotal role in modulating BR signaling and determining the cell division pattern during plant growth and development. PMID- 29205591 TI - General One-Pot Synthesis of Transition-Metal Phosphide/Nitrogen-Doped Carbon Hybrid Nanosheets as Ultrastable Anodes for Sodium-Ion Batteries. AB - Sodium-ion batteries (SIBs) have been considered as promising energy storage devices in grid-level applications, owing to their largely reduced cost compared with that of lithium-ion batteries. However, the practical application of SIBs has been seriously hindered because of the lack of appropriate anode materials, limited by the thermodynamics perspective, which is one of the central task at current stage. Herein, we have developed a general one-pot strategy for the synthesis of transition-metal phosphide (TMP) based hybrid nanosheets composed of carbon-coated TMP nanoparticles anchored to the surface of nitrogen-doped carbon nanosheets. This facile and cost-effective method is quite universal and holds potential to be further extended to other metal phosphide materials. Significantly, the hybrid nanosheet electrode possesses excellent sodium storage properties as anodes for SIBs, including high specific capacity, an ultra-long cycle life and a remarkable rate performance. This work makes a significant contribution to not only the synthetic methodology of TMP-carbon two-dimensional hybrid nanostructures, but also the application of TMP-based anodes for high energy SIBs. PMID- 29205592 TI - Increase of prostaglandin E2 in the reversal of fetal ductal constriction after polyphenol restriction. AB - OBJECTIVE: Anti-inflammatory substances that inhibit the synthesis of prostaglandins, such as non-steroidal anti-inflammatory drugs (NSAIDs) and polyphenol-rich foods, can cause constriction of the fetal ductus arteriosus. This study aimed to test the hypothesis that reversal of fetal ductal constriction after maternal restriction of polyphenol-rich foods, in the third trimester of pregnancy, is accompanied by increased plasma levels of prostaglandin E2 (PGE2). METHODS: This was a controlled clinical trial of women with singleton pregnancy >= 28 weeks undergoing fetal echocardiography. The intervention group included pregnancies with diagnosis of fetal ductal constriction and not exposed to NSAIDs. The control group consisted of third trimester normal pregnancies. Both groups answered a food frequency questionnaire to assess the amount of total polyphenols in their diet, underwent Doppler echocardiographic examination and had blood samples collected for analysis of plasma levels of PGE2. Intervention group participants received dietary guidance to restrict the intake of polyphenol-rich foods. The assessments were repeated after 2 weeks in both groups. RESULTS: Forty normal pregnancies were assessed in the control group and 35 with fetal ductal constriction in the intervention group. Mean maternal age (26.6 years) and mean body mass index (30.12 kg/m2 ) were similar between the two groups. Intragroup analysis showed that dietary guidance reduced the median consumption of polyphenols (from 1234.82 to 21.03 mg/day, P < 0.001), increasing significantly the plasma concentration of PGE2 (from 1091.80 to 1136.98 pg/mL, P < 0.05) in the intervention group after 2 weeks. In addition, Doppler echocardiography showed reversal of fetal ductal constriction in the intervention group. No significant changes were observed in the control group. CONCLUSIONS: Dietary intervention for maternal restriction of polyphenol-rich foods in the third trimester of pregnancy is accompanied by increase in plasma levels of PGE2 and reversal of fetal ductal constriction. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29205593 TI - Identifying apparent local stable isotope equilibrium in a complex non equilibrium system. AB - RATIONALE: Although being out of equilibrium, biomolecules in organisms have the potential to approach isotope equilibrium locally because enzymatic reactions are intrinsically reversible. A rigorous approach that can describe isotope distribution among biomolecules and their apparent deviation from equilibrium state is lacking, however. METHODS: Applying the concept of distance matrix in graph theory, we propose that apparent local isotope equilibrium among a subset of biomolecules can be assessed using an apparent fractionation difference (|Deltaalpha|) matrix, in which the differences between the observed isotope composition (delta') and the calculated equilibrium fractionation factor (1000lnbeta) can be more rigorously evaluated than by using a previous approach for multiple biomolecules. We tested our |Deltaalpha| matrix approach by re analyzing published data of different amino acids (AAs) in potato and in green alga. RESULTS: Our re-analysis shows that biosynthesis pathways could be the reason for an apparently close-to-equilibrium relationship inside AA families in potato leaves. Different biosynthesis/degradation pathways in tubers may have led to the observed isotope distribution difference between potato leaves and tubers. The analysis of data from green algae does not support the conclusion that AAs are further from equilibrium in glucose-cultured green algae than in the autotrophic ones. CONCLUSIONS: Application of the |Deltaalpha| matrix can help us to locate potential reversible reactions or reaction networks in a complex system such as a metabolic system. The same approach can be broadly applied to all complex systems that have multiple components, e.g. geochemical or atmospheric systems of early Earth or other planets. PMID- 29205594 TI - Recovery of puborectalis muscle after vaginal delivery: an ultrasound study. AB - OBJECTIVES: To assess change in levator hiatal dimensions between pregnancy and different timepoints after vaginal delivery, and map recovery of the hiatus in order to contribute to secondary prevention of symptoms of pelvic floor disorders. METHODS: Twenty nulliparous women with a singleton pregnancy underwent ultrasound assessment of the pelvic floor at rest, on maximum pelvic floor muscle contraction (PFMC) and on Valsalva maneuver at 12 weeks' gestation and at 1 day and 1, 2, 3, 4, 6, 12, 18 and 24 weeks after vaginal delivery. Dimensions of the levator hiatus were measured and contractility and distensibility were calculated. The Wilcoxon signed rank test was used to compare each postpartum value with that at 12 weeks' gestation. RESULTS: Levator hiatal area at rest, on PFMC and on Valsalva maneuver was significantly increased at 1 day and at 1 and 2 weeks after vaginal delivery compared with measurements at 12 weeks' gestation. Hiatal area at rest and on PFMC from 3 weeks postpartum onward, as well as contractility from 6 weeks onward, were comparable to values at 12 weeks' gestation, whereas, a significant difference remained on Valsalva maneuver until 24 weeks after delivery. Moreover, distensibility was still increased at 24 weeks postpartum compared with measurements at 12 weeks' gestation. CONCLUSION: The puborectalis muscle has the ability to recover anatomically from a first vaginal delivery, and recovery occurs mainly during the first 3 weeks after delivery. Stretching of the puborectalis muscle, as reflected by distensibility, persisted 24 weeks after the first vaginal delivery. The data provide a better understanding of the early 'normal' regeneration process and we hypothesize that the first 3 weeks postpartum is the best window in which to start secondary prevention. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29205595 TI - The pseudogenes of barley. AB - Pseudogenes have a reputation of being 'evolutionary relics' or 'junk DNA'. While they are well characterized in mammals, studies in more complex plant genomes have so far been hampered by the absence of reference genome sequences. Barley is one of the economically most important cereals and has a genome size of 5.1 Gb. With the first high-quality genome reference assembly available for a Triticeae crop, we conducted a whole-genome assessment of pseudogenes on the barley genome. We identified, characterized and classified 89 440 gene fragments and pseudogenes scattered along the chromosomes, with occasional hotspots and higher densities at the chromosome ends. Full-length pseudogenes (11 015) have preferentially retained their exon-intron structure. Retrotransposition of processed mRNAs only plays a marginal role in their creation. However, the distribution of retroposed pseudogenes reflects the Rabl configuration of barley chromosomes and thus hints at founding mechanisms. While parent genes related to the defense-response were found to be under-represented in cultivated barley, we detected several defense related pseudogenes in wild barley accessions. The percentage of transcriptionally active pseudogenes is 7.2%, and these may potentially adopt new regulatory roles.The barley genome is rich in pseudogenes and small gene fragments mainly located towards chromosome tips or as tandemly repeated units. Our results indicate non-random duplication and pseudogenization preferences and improve our understanding of the dynamics of gene birth and death in large plant genomes and the mechanisms that lead to evolutionary innovations. PMID- 29205596 TI - Detection and analysis of abnormal nuclear changes in oral cytological smears by Papanicolaou staining. PMID- 29205597 TI - Selection and Screening of DNA Aptamers for Inorganic Nanomaterials. AB - Searching for DNA sequences that can strongly and selectively bind to inorganic surfaces is a long-standing topic in bionanotechnology, analytical chemistry and biointerface research. This can be achieved either by aptamer selection starting with a very large library of ~1014 random DNA sequences, or by careful screening of a much smaller library (usually from a few to a few hundred) with rationally designed sequences. Unlike typical molecular targets, inorganic surfaces often have quite strong DNA adsorption affinities due to polyvalent binding and even chemical interactions. This leads to a very high background binding making aptamer selection difficult. Screening, on the other hand, can be designed to compare relative binding affinities of different DNA sequences and could be more appropriate for inorganic surfaces. The resulting sequences have been used for DNA-directed assembly, sorting of carbon nanotubes, and DNA-controlled growth of inorganic nanomaterials. It was recently discovered that poly-cytosine (C) DNA can strongly bind to a diverse range of nanomaterials including nanocarbons (graphene oxide and carbon nanotubes), various metal oxides and transition-metal dichalcogenides. In this Concept article, we articulate the need for screening and potential artifacts associated with traditional aptamer selection methods for inorganic surfaces. Representative examples of application are discussed, and a few future research opportunities are proposed towards the end of this article. PMID- 29205598 TI - An auditory brainstem nucleus as a model system for neuronal metabolic demands. AB - The correlation between neuronal activity and metabolism is essential for coding, plasticity, neurological disorders and the interpretation of functional neuroimaging data. Most likely, metabolic requirements depend upon neuron type, and macroscopic energy demands vary with brain region. However, specific needs of individual neuron types are enigmatic. Therefore, we monitored metabolic activity in the lateral superior olive (LSO), an auditory brainstem nucleus containing only one neuron type. LSO neurons exhibit extreme but well-described biophysics with firing rates of several hundred hertz and low input resistances of a few megaohms. We recorded changes in NADH and flavin adenine dinucleotide (FAD) autofluorescence and O2 concentration in acute brainstem slices of Mongolian gerbils (Meriones unguiculatus) following electrical stimulation. The LSO shows the typical biphasic NADH/FAD response up to a physiologically relevant frequency of 400 Hz. In the same animal, we compared the LSO with the hippocampal CA1 region and the cerebral cortex. The rate of NADH/FADH2 consumption and regeneration was slowest in LSO. However, frequency dependence was only similar during the consumption phase but varied during regeneration within the three brain regions. Changes in NADH, FAD and O2 levels and blocking metabolic reactions indicate a pronounced contribution of mitochondrial oxidative phosphorylation in the LSO which is known for the other brain regions as well. Lactate transport and interconversion are involved in LSO metabolism as we found in immunohistochemical and pharmacological experiments. Our findings show that the LSO represents an apt, biophysically distinct model for brain metabolism and that neuronal properties determine metabolic needs. PMID- 29205599 TI - Postnatal separation prevents the development of prenatal stress-induced anxiety in association with changes in oestrogen receptor and oxytocin immunoreactivity in female mandarin vole (Microtus mandarinus) offspring. AB - Oestrogen has both anxiogenic and anxiolytic effects because of variation in opposing action on alpha (ERalpha) and beta (ERbeta) estrogen receptors in the medial preoptic area (mPOA), bed nucleus of the stria terminalis (BNST) and medial amygdala (MeA). Oxytocin (OT) reverses some of the anxiogenic effects of oestrogen in the hypothalamic paraventricular nucleus (PVN) and supraoptic nucleus (SON). Because anxiety disorders are twice as common in women as in men, and oestrogen and OT are more important in females, we examined interactions between prenatal restraint stress (GS) and postnatal early short-term maternal separation (MS) and female mandarin vole behaviour, estrogen receptors and OT. The results show that adult female offspring from GS/noMS mothers showed increased anxiety in open-field and elevated plus-maze tests and had lower serum 17-beta-oestradiol (E2 ) levels than female offspring from GS/MS, noGS/MS and noGS/noMS mothers. GS/noMS females had more immunoreactive neurons for ERalpha in several brain regions and less ERbeta- and OT-immunoreactive neurons in brain areas compared to GS/MS, noGS/MS and noGS/noMS offspring. Interestingly, noGS/MS and GS/MS offspring were similar to noGS/noMS offspring in that they did not develop anxiety as adults. We propose that MS alters the serum concentration of E2 and that the ERbeta/ERalpha ratio and OT level in the brain may be responsible for the decrease in anxiety-like behaviour in adult female offspring initially exposed to anxiety-inducing conditions via an adverse foetal environment. PMID- 29205600 TI - Circulating microRNA signature of steroid-induced osteonecrosis of the femoral head. AB - OBJECTIVES: Steroid-induced osteonecrosis of the femoral head (ONFH) is a common orthopaedic disease of which early detection remains clinically challenging. Accumulating evidences indicated that circulating microRNAs (miRNAs) plays vital roles in the development of several bone diseases. However, the association between circulating miRNAs and steroid-induced ONFH remains elusive. MATERIALS AND METHODS: miRNA microarray was performed to identify the differentially abundant miRNAs in the serums of systemic lupus erythematosus (SLE) patients with steroid-induced ONFH as compared with SLE control and healthy control group. We predicted the potential functions of these differentially abundant miRNAs using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses and reconstructed the regulatory networks of miRNA-mRNA interactions. RESULTS: Our data indicated that there were 11 differentially abundant miRNAs (2 upregulated and 9 downregulated) between SLE-ONFH group and healthy control group and 42 differentially abundant miRNAs (14 upregulated and 28 downregulated) between SLE-ONFH group and SLE control group. We also predicted the potential functions of these differentially abundant miRNAs using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses and reconstructed the regulatory networks of miRNA-mRNA interactions. CONCLUSIONS: These findings corroborated the idea that circulating miRNAs play significant roles in the development of ONFH and may serve as diagnostic markers and therapeutic targets. PMID- 29205601 TI - Criteria for gauging response to sodium oxybate for narcolepsy. AB - Our objective was to define responder criteria using an anchor-based approach for frequency of cataplexy attacks and excessive daytime sleepiness in patients with narcolepsy undergoing sodium oxybate treatment. We used pooled data from two randomized, placebo-controlled, double-blind, multicentre 4- and 8-week trials of sodium oxybate for narcolepsy with cataplexy and analysed using receiver operator characteristics analysis. The percentage change in frequency of weekly cataplexy attacks and the Epworth Sleepiness Scale outcomes were compared with Clinical Global Impression of Change ratings, used as the anchor to define true response. Participants (n = 336) were 39% male, 89% white, with a mean age of 41.5 (15.3) years, reporting a median of 20.5 cataplexy attacks per week and a mean Epworth Sleepiness score of 17.5 at baseline. A majority (51%) were Much Improved or Very Much Improved based on Clinical Global Impression of Change ratings, considered a true response to treatment. Area under the curve values for % reduction in cataplexy attacks (77%) and % change in sleepiness score (78%) supported response definition thresholds of 46% and 12%, respectively. Classification using either response definition agreed with the anchor for approximately 71% of participants. Cataplexy response definition was more sensitive (cataplexy = 0.77, Epworth Sleepiness Scale = 0.69), while sleepiness was more specific (cataplexy = 0.66, Epworth Sleepiness Scale = 0.75). Both responder definitions showed a dose response relationship with sodium oxybate, demonstrating their validity using an external criterion. Weekly cataplexy attacks and Epworth Sleepiness Scale can be used to help document clinical response to narcolepsy treatment using criteria of 46% and 12% reductions, respectively. PMID- 29205602 TI - Workplace violence against nurses in Korea and its impact on professional quality of life and turnover intention. PMID- 29205603 TI - Selective Profiling of Saponins from Gypsophila trichotoma Wend. by HILIC Separation and HRMS Detection. AB - INTRODUCTION: Roots of Gypsophila trichotoma Wend. (Caryophyllaceae) are rich sources of glucuronide oleanane-type triterpenoid carboxylic acid 3,28-O bidesmosides (GOTCABs). These saponins have been reported to possess synergistic cytotoxicity in combination with type I ribosome-inactivating protein saporin. OBJECTIVE: To develop ultra high-performance liquid chromatography - electrospray ionisation/high resolution mass spectrometry (UHPLC-ESI/HRMS) acquisition strategy for the recognition of Gypsophila GOTCAB saponins. METHODOLOGY: A highly selective hydrophilic interaction UHPLC method (Si-HILIC UHPLC) was developed for the separation of GOTCAB saponins from the methanol-aqueous root extract of G. trichotoma (GTR). UHPLC was coupled to an Orbitrap mass spectrometer equipped with heated electrospray ionisation (HESI) probe. ESI-HRMS and tandem mass spectrometry (MS/MS) data of the separated compounds was used for saponins structure assignment. RESULTS: Based on the conformity of the fragmentation of 11 previously identified GTR saponins, 21 GOTCAB forming between two and four isobaric and positional isomers are identified with proposals for their structures. Tables with assignment of characteristic fragment ions and more than 10 newly identified saponins in GTR were described. Fragmentation rules for tentative identification of three major types of saponins from GTR were summarised and possible fragmentation pathways were proposed. Type I and II consisted of acylated and sulphated GOTCABs, respectively, while type III included acylated and sulphated saponins. The type II sulphated GOTCAB saponins were all previously not described. CONCLUSIONS: The study demonstrates the potential of the coupling of highly-selective (Si)-HILIC UHPLC with HRMS and MS/MS detection for analysis and identification of triterpenoid saponins. Copyright (c) 2017 John Wiley & Sons, Ltd. PMID- 29205605 TI - Coaching parents to assess and treat self-injurious behaviour via telehealth. AB - The application of telehealth technology to conduct functional analysis (FA) and functional communication training (FCT) is emerging for children with developmental disabilities and behaviour support needs. The current study was designed to extend FA + FCT for self-injurious behaviour by using telehealth in home with parents as interventionists receiving real-time remote coaching. Two families with school-aged boys with developmental disabilities associated with intellectual disability participated, one with cerebral palsy and the other with autism spectrum disorder. Results indicated that parent-implemented FA + FCT via telehealth was effective for reducing self-injurious behaviour and increasing mands (communication requests) for both children. Both families successfully implemented the FA + FCT protocol with 95% overall fidelity via telehealth supported coaching. Results are discussed in terms of their relationship to previous research, limitations and future directions. PMID- 29205606 TI - Abstracts of the Royal Pharmaceutical Society (RPS) Winter Summit 2017, London, UK, 5 December 2017. PMID- 29205604 TI - The role of water in plant-microbe interactions. AB - Throughout their life plants are associated with various microorganisms, including commensal, symbiotic and pathogenic microorganisms. Pathogens are genetically adapted to aggressively colonize and proliferate in host plants to cause disease. However, disease outbreaks occur only under permissive environmental conditions. The interplay between host, pathogen and environment is famously known as the 'disease triangle'. Among the environmental factors, rainfall events, which often create a period of high atmospheric humidity, have repeatedly been shown to promote disease outbreaks in plants, suggesting that the availability of water is crucial for pathogenesis. During pathogen infection, water-soaking spots are frequently observed on infected leaves as an early symptom of disease. Recent studies have shown that pathogenic bacteria dedicate specialized virulence proteins to create an aqueous habitat inside the leaf apoplast under high humidity. Water availability in the apoplastic environment, and probably other associated changes, can determine the success of potentially pathogenic microbes. These new findings reinforce the notion that the fight over water may be a major battleground between plants and pathogens. In this article, we will discuss the role of water availability in host-microbe interactions, with a focus on plant-bacterial interactions. PMID- 29205608 TI - In-utero aspiration vs expectant management of anechoic fetal ovarian cysts: open randomized controlled trial. AB - OBJECTIVE: To assess the efficacy and safety of in-utero aspiration (IUA) of anechoic fetal ovarian cysts. METHODS: This multicenter, prospective, randomized open trial in two parallel groups included women from nine outpatient fetal medicine departments with singleton pregnancy >= 28 weeks of gestation and a female fetus with an ultrasound-diagnosed simple ovarian cyst, defined as a single fully anechoic cystic structure measuring >= 30 mm. They were allocated randomly to IUA under ultrasound guidance or expectant management. All procedures were performed by trained senior obstetricians. Primary outcome was need for neonatal intervention, by laparoscopy, laparotomy or transabdominal aspiration. Secondary outcomes were in-utero involution of the cyst and oophorectomy at birth. Analyses were conducted according to the intention-to-treat principle. RESULTS: Of 61 participants, 34 were allocated to IUA and 27 to expectant management. Three IUA procedures (9%) could not be performed (one due to fetal position and two due to aspirations being dry). The remaining 31 IUA procedures were uneventful. The incidence of neonatal intervention did not differ significantly between the IUA and the expectant management groups (20.6% vs 37.0%; relative risk (RR), 0.55; 95% CI, 0.24-1.27). Nonetheless, IUA was associated with increased incidence of in-utero involution of the cyst (47.1% vs 18.5%; RR, 2.54; 95% CI, 1.07-6.05) and reduced rate of oophorectomy (3.0% vs 22.0%; RR, 0.13; 95% CI, 0.02-1.03) compared with expectant management. CONCLUSION: IUA of anechoic fetal ovarian cysts, compared with expectant management, was not associated with a reduction in overall neonatal interventions but was associated with a reduced oophorectomy rate. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29205610 TI - Three-dimensional morphology and volume of the free Achilles tendon at rest and under load in people with unilateral mid-portion Achilles tendinopathy. AB - NEW FINDINGS: What is the central question of this study? The aim was to determine the effect of mid-portion Achilles tendinopathy (MAT) on free Achilles tendon three-dimensional morphology and volume at rest and under load in people with unilateral MAT. What is the main finding and its importance? Tendinopathic tendon had a larger resting tendon cross-sectional area and anteroposterior diameter relative to healthy tendon. When loaded, tendinopathic tendon experienced a reduction in transverse morphology (i.e. cross-sectional area, anteroposterior and mediolateral diameters) and overall volume reduction. In contrast, the healthy tendon remained isovolumetric and bulged along the anteroposterior axis. These findings suggest a fundamental reorganization of tendinopathic tendon matrix components and altered tendon fluid content when under load. ABSTRACT: Mid-portion Achilles tendinopathy (MAT) adversely affects free Achilles tendon (AT) structure and composition. However, it is not known how these pathological alterations associated with MAT change the normal three dimensional (3-D) morphology of free AT at rest and under load throughout the entire free tendon length. Here, we used 3-D ultrasound to examine the effect of unilateral MAT on free tendon 3-D morphology [length, cross-sectional area (CSA), anteroposterior (AP) diameter and mediolateral (ML) diameter] and volume at rest and during a submaximal (50%) voluntary isometric plantarflexion contraction bilaterally in individuals with unilateral MAT (n = 10) compared with a matched healthy control group (n = 10). The tendinopathic free AT had a greater CSA relative to the control tendons along the entire tendon length, which was mainly driven by a greater tendon AP diameter. Under load, the tendinopathic tendon experienced greater longitudinal and transverse strains than the control tendons. In contrast to the control tendons, which experienced a reduction in tendon CSA and ML diameter, bulged along the AP axis and behaved isovolumetrically under load, the tendinopathic tendon experienced a reduction in tendon CSA, AP diameter and ML diameter and an overall volume reduction. Overall, these findings suggest that the magnitude of longitudinal strain and volume change and the corresponding magnitude and direction of transverse strain under load are altered in MAT compared with normal tendon. These findings are indicative of a fundamental reorganization of the tendon matrix and alterations in tendon fluid content and distribution under load in tendinopathic tendon. PMID- 29205611 TI - Return-to-work intervention during cancer treatment - The providers' experiences. AB - To explore in-depth understanding of providers' experiences when involved in a return-to-work (RTW) intervention offered during cancer treatment. Semi structured individual interviews and participant observations at a hospital department and two municipal job centers were carried out, including ten providers (physicians, nurses and social workers). A phenomenological-hermeneutic approach was applied, involving coding, identification of themes and interpretation of findings. Three major themes were identified: Treatment first, Work as an integrated component in cancer rehabilitation, and Challenges in bringing up work issues. Differences in providers' experiences of the RTW intervention offered to cancer patients were found: in the hospital setting RTW was a second priority, whereas in the municipality job centers it was an integrated component. Further studies are needed to investigate how and when occupational rehabilitation services can be implemented across sectors to support cancer patients' RTW. In the future, work issues ought to be systematically presented by providers across sectors as early as possible to support cancer patients' RTW. Cancer patients' individual needs and thoughts about RTW are to be identified by both health care providers during treatment and social workers at the municipality level and shared across sectors. PMID- 29205609 TI - Effect of tamoxifen on fibrosis, collagen content and transforming growth factor beta1, -beta2 and -beta3 expression in common bile duct anastomosis of pigs. AB - End-to-end anastomosis in the treatment for bile duct injury during laparoscopic cholecystectomy has been associated with stricture formation. The aim of this study was to experimentally investigate the effect of oral tamoxifen (tmx) treatment on fibrosis, collagen content and transforming growth factor-beta1, beta2 and -beta3 expression in common bile duct anastomosis of pigs. Twenty-six pigs were divided into three groups [sham (n = 8), control (n = 9) and tmx (n = 9)]. The common bile ducts were transected and anastomosed in the control and tmx groups. Tmx (40 mg/day) was administered orally to the tmx group, and the animals were euthanized after 60 days. Fibrosis was analysed by Masson's trichrome staining. Picrosirius red was used to quantify the total collagen content and collagen type I/III ratio. mRNA expression of transforming growth factor (TGF) beta1, -beta2 and -beta3 was quantified using real-time polymerase chain reaction (qRT-PCR). The control and study groups exhibited higher fibrosis than the sham group, and the study group showed lower fibrosis than the control group (P = 0.011). The control and tmx groups had higher total collagen content than the sham group (P = 0.003). The collagen type I/III ratio was higher in the control group than in the sham and tmx groups (P = 0.015). There were no significant differences in the mRNA expression of TGF-beta1, -beta2 and -beta3 among the groups (P > 0.05). Tmx decreased fibrosis and prevented the change in collagen type I/III ratio caused by the procedure. PMID- 29205612 TI - Homeodomain-interacting protein kinase phosphorylates the Drosophila Paired box protein 6 (Pax6) homologues Twin of eyeless and Eyeless. AB - Homeodomain-interacting protein kinase (Hipk), the Drosophila homologue of mammalian HIPK2, plays several important roles in regulating differentiation, proliferation, apoptosis, and stress responses and acts as a mediator for signals of diverse pathways, such as Notch or Wingless signalling. The Paired box protein 6 (Pax6) has two Drosophila homologues, Twin of eyeless (Toy) and Eyeless (Ey). Both stand atop the retinal determination gene network (RDGN), which is essential for proper eye development in Drosophila. Here, we set Hipk and the master regulators Toy and Ey in an enzyme-substrate relationship. Furthermore, we prove a physical interaction between Toy and Hipk in vivo using bimolecular fluorescence complementation. Using in vitro kinase assays with different truncated Toy constructs and mutational analyses, we mapped four Hipk phosphorylation sites of Toy, one in the paired domain (Ser121 ) and three in the C-terminal transactivation domain of Toy (Thr395 , Ser410 and Thr452 ). The interaction and phosphorylation of the master regulator Toy by Hipk may be important for precise tuning of signalling within the RDGN and therefore for Drosophila eye development. PMID- 29205613 TI - Survival of extensive restorations in primary molars: 15-year practice-based study. AB - BACKGROUND: Caries decline in the western world is accompanied by strong polarization among children; 8% of Finnish 5-year-olds having 76% of untreated caries. This high caries risk group needs preventive and restorative strategies. AIM: To explore survival of extensive restorations in primary molars. DESIGN: This study was based on health records from 2002 to 2016 of children under 18 years. RESULTS: Of severely affected primary molars (n = 1061), 41% were restored with preformed metal crowns (PMCs), 38% with glass-ionomer cement (GIC)/polyacid modified resin composite (PAMRC)/resin-modified GIC (RMGIC), and 21% with resin composites (RC). Younger children (3-8) received 97% of the PMCs and 86% of GIC/PAMRC/RMGIC; older ones (>=9) 91% of the RC restorations. Neither amalgam nor indirect restorations were registered. General dentists (GDs) engaged in primary care restored with GIC/PAMRC/RMGIC (52%) or RC (48%). GDs in general anesthesia care service placed 66% and specializing/specialized dentists 31% of PMCs. PMCs had lower failure rate (1.4% vs 3.0%) than GIC/PAMRC/RMGIC (P = 0.001). Choosing PMCs reduced patient visits compared to other restorations (P < 0.001). CONCLUSIONS: Severely affected primary molars of children at high caries risk are better managed, using PMCs to optimize the resources in public oral health services. PMID- 29205614 TI - Toxicity: exploring and expanding the concept. PMID- 29205615 TI - Evaluation of tramline sign for prenatal diagnosis of abnormally invasive placenta using three-dimensional ultrasound and Crystal Vue rendering technology. PMID- 29205616 TI - Moving beyond vaping as a cessation-only practice. PMID- 29205617 TI - Epigenetic states of donor cells significantly affect the development of somatic cell nuclear transfer (SCNT) embryos in pigs. AB - The type and pattern of epigenetic modification in donor cells can significantly affect the developmental competency of somatic cell nuclear transfer (SCNT) embryos. Here, we investigated the developmental capacity, gene expression, and epigenetic modifications of SCNT embryos derived from porcine bone marrow-derived mesenchymal stem cells (BMSCs) and fetal fibroblasts (FFs) donor cells compared to embryos obtained from in vitro fertilization (IVF). Compared to FFs, the donor BMSCs had more active epigenetic markers (Histone H3 modifications: H3K9Ac, H3K4me3, and H3K4me2) and fewer repressive epigenetic markers (H3K9me3, H3K9me2, and DNA methyltransferase 1). Embryos derived from BMSC nuclear-transfer (BMSC-NT embryos) and IVF embryos had significantly higher cleavage and blastocyst rates (BMSC-NT: 71.3 +/- 3.4%, 29.1 +/- 2.3%; IVF: 69.2 +/- 2.2%, 30.2 +/- 3.3%; respectively) than FF-NT embryos (58.1 +/- 3.4%, 15.1 +/- 1.5%, respectively). Bisulfite sequencing revealed that DNA methylation at the promoter regions of NANOG and POU5F1 was lower in BMSC-NT embryos (30.0%, 9.8%, respectively) than those in FF-NT embryos (34.2%, 28.0%, respectively). We also found that BMSC-NT embryos had more H3K9Ac and less H3K9me3 and 5-methylcytosine than FF-NT embryos. In conclusion, our finding comparing BMSCs versus FFs as donors for nuclear transfer revealed that differences in the initial epigenetic state of donor cells have a remarkable effect on overall nuclear reprogramming of SCNT embryos, wherein donor cells possessing a more open chromatin state are more conducive to nuclear reprogramming. PMID- 29205618 TI - Different responses of spontaneous and stimulus-related alpha activity to ambient luminance changes. AB - Alpha oscillations are particularly important in determining our percepts and have been implicated in fundamental brain functions. Oscillatory activity can be spontaneous or stimulus-related. Furthermore, stimulus-related responses can be phase- or non-phase-locked to the stimulus. Non-phase-locked (induced) activity can be identified as the average amplitude changes in response to a stimulation, while phase-locked activity can be measured via reverse-correlation techniques (echo function). However, the mechanisms and the functional roles of these oscillations are far from clear. Here, we investigated the effect of ambient luminance changes, known to dramatically modulate neural oscillations, on spontaneous and stimulus-related alpha. We investigated the effect of ambient luminance on EEG alpha during spontaneous human brain activity at rest (experiment 1) and during visual stimulation (experiment 2). Results show that spontaneous alpha amplitude increased by decreasing ambient luminance, while alpha frequency remained unaffected. In the second experiment, we found that under low-luminance viewing, the stimulus-related alpha amplitude was lower, and its frequency was slightly faster. These effects were evident in the phase-locked part of the alpha response (echo function), but weaker or absent in the induced (non-phase-locked) alpha responses. Finally, we explored the possible behavioural correlates of these modulations in a monocular critical flicker frequency task (experiment 3), finding that dark adaptation in the left eye decreased the temporal threshold of the right eye. Overall, we found that ambient luminance changes impact differently on spontaneous and stimulus-related alpha expression. We suggest that stimulus-related alpha activity is crucial in determining human temporal segmentation abilities. PMID- 29205619 TI - BAPTA-AM dramatically improves maturation and development of bovine oocytes from grade-3 cumulus-oocyte complexes. AB - Intracellular free calcium ([Ca2+ ]i ) is essential for oocyte maturation and early embryonic development. Here, we investigated the role of [Ca2+ ]i in oocytes from cumulus-oocyte complexes (COCs) with respect to maturation and early embryonic development, using the calcium-buffering agent BAPTA-AM (1,2-bis[2 aminophenoxy]ethane-N,N,N',N'-tetraacetic acid tetrakis [acetoxymethyl ester]). COCs were graded based on compactness of the cumulus mass and appearance of the cytoplasm, with Grade 1 indicating higher quality and developmental potential than Grade 3. Results showed that: (i) [Ca2+ ]i in metaphase-II (MII) oocytes from Grade-3 COCs was significantly higher than those from Grade-1 COCs, and was significantly reduced by BAPTA-AM; (ii) nuclear maturation of oocytes from Grade 3 COCs treated with BAPTA-AM was enhanced compared to untreated COCs; (iii) protein abundance of Cyclin B and oocyte-specific Histone 1 (H1FOO) was improved in MII oocytes from Grade-3 COCs treated with BAPTA-AM; (iv) Ca2+ transients were triggered in each group upon fertilization, and the amplitude of [Ca2+ ]i oscillations increased in the Grade-3 group upon treatment with BAPTA-AM, with the magnitude approaching that of the Grade-1 group; and (v) cleavage rates and blastocyst-formation rates were improved in the Grade-3 group treated with BAPTA AM compared to untreated controls following in vitro fertilization and parthenogenetic activation. Therefore, BAPTA-AM dramatically improved oocyte maturation, oocyte quality, and embryonic development of oocytes from Grade-3 COCs. PMID- 29205620 TI - Interobserver reliability of computed tomographic contouring of canine tonsils in radiation therapy treatment planning. AB - In radiation therapy (RT) treatment planning for canine head and neck cancer, the tonsils may be included as part of the treated volume. Delineation of tonsils on computed tomography (CT) scans is difficult. Error or uncertainty in the volume and location of contoured structures may result in treatment failure. The purpose of this prospective, observer agreement study was to assess the interobserver agreement of tonsillar contouring by two groups of trained observers. Thirty dogs undergoing pre- and post-contrast CT studies of the head were included. After the pre- and postcontrast CT scans, the tonsils were identified via direct visualization, barium paste was applied bilaterally to the visible tonsils, and a third CT scan was acquired. Data from each of the three CT scans were registered in an RT treatment planning system. Two groups of observers (one veterinary radiologist and one veterinary radiation oncologist in each group) contoured bilateral tonsils by consensus, obtaining three sets of contours. Tonsil volume and location data were obtained from both groups. The contour volumes and locations were compared between groups using mixed (fixed and random effect) linear models. There was no significant difference between each group's contours in terms of three-dimensional coordinates. However there was a significant difference between each group's contours in terms of the tonsillar volume (P < 0.0001). Pre- and postcontrast CT can be used to identify the location of canine tonsils with reasonable agreement between trained observers. Discrepancy in tonsillar volume between groups of trained observers may affect RT treatment outcome. PMID- 29205621 TI - Multiparametric characterization of response to anti-angiogenic therapy using USPIO contrast-enhanced MRI in combination with dynamic contrast-enhanced MRI. AB - BACKGROUND: Steady state susceptibility contrast (SSC)-MRI provides information on vascular morphology but is a rarely used method. PURPOSE: To investigate the utility of the ultrasmall superparamagnetic iron oxide particles (USPIOs) GEH121333 for measuring tumor response to bevacizumab and compare this with gadolinium-based DCE-MRI. STUDY TYPE: Prospective preclinical animal model study. ANIMAL MODEL: Mice bearing subcutaneous TOV-21G human ovarian cancer xenografts treated with bevacizumab (n = 9) or saline (n = 9). FIELD STRENGTH/SEQUENCE: Imaging was performed on a 7T Bruker Biospec. For SSC-MRI with GEH121333 we acquired R1 -maps (RARE-sequence with variable TR), R2 -maps (multi-spin echo), and R2*-maps (multi-gradient echo). Additionally, R1 and R2 maps were measured on the days after USPIO injection. For DCE-MRI with gadodiamide we acquired 200 T1 weighted images (RARE-sequence). ASSESSMENT: DeltaR1 , DeltaR2 , and DeltaR2* maps were computed from SSC-MRI. DCE-MRI was analysed using the extended Tofts model. STATISTICAL TESTS: Results from pre- and 3 days posttreatment SSC-MRI were compared using paired-sample t-tests. Treatment and control groups were compared using independent sample t-tests. Performance of SSC- and DCE-MRI was compared using multivariate partial least squares discriminant analysis. RESULTS: Already one day after treatment and USPIO injection, R1 and R2 values were lower in treated (R1 = 0.49 +/- 0.03s-1 , R2 = 23.07 +/- 1.49s-1 ) compared with control tumors (R1 = 0.52 +/- 0.02s-1 , R2 = 24.98 +/- 1.01s-1 ), indicating lower USPIO accumulation. Posttreatment SSC-MRI displayed significantly decreased tumor blood volume (change in DeltaR2 = -0.43 +/- 0.26s-1 , P = 0.001) and vessel density (change in Q = -0.032 +/- 0.020s-1/3 , P = 0.002). DCE-MRI showed among others lower Ktrans in treated tumors (control = 0.064 +/- 0.011min-1 , tx = 0.046 +/- 0.008min-1 , P = 0.002). Multivariate analysis suggests that SSC-MRI was slightly inferior to DCE-MRI in distinguishing treated from control tumors (accuracy = 75%, P = 0.058 versus 80%, P = 0.028), but a combination of both was best (accuracy = 85%; P = 0.003). DATA CONCLUSION: SSC-MRI with GEH121333 is sensitive to early (<24 h) and late changes in tumor vasculature. SSC-MRI and DCE MRI provide complementary information and can be used to assess different aspects of vascular responses to anti-angiogenic therapies. LEVEL OF EVIDENCE: 1 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2018;47:1589-1600. PMID- 29205622 TI - Radiographic features of congenital segmental dilation of the intestine in a german shepherd dog. AB - A 10-week-old spayed female German Shepherd Dog was presented for acute vomiting and diarrhea. There was no reported foreign body or toxin ingestion. Radiographs showed a severely (~11 * 7 cm), focally distended right abdominal intestinal segment containing gas and soft tissue material. Other small intestinal segments were segmentally gas distended. Celiotomy identified a ~9 cm focally dilated segment at the jejunoileal junction with no aborad luminal obstruction. Resection and anastomosis of the dilation was performed. Histopathology showed mild mucosal inflammation, but otherwise normal wall layering and autonomic ganglia. Radiographic and histopathologic findings were consistent with congenital segmental dilation of the intestine. PMID- 29205623 TI - Improvement of the repeatability of parallel transmission at 7T using interleaved acquisition in the calibration scan. AB - BACKGROUND: Respiration-induced phase shift affects B0 /B1+ mapping repeatability in parallel transmission (pTx) calibration for 7T brain MRI, but is improved by breath-holding (BH). However, BH cannot be applied during long scans. PURPOSE: To examine whether interleaved acquisition during calibration scanning could improve pTx repeatability and image homogeneity. STUDY TYPE: Prospective. SUBJECTS: Nine healthy subjects. FIELD STRENGTH/SEQUENCE: 7T MRI with a two-channel RF transmission system was used. ASSESSMENT: Calibration scanning for B0 /B1+ mapping was performed under sequential acquisition/free-breathing (Seq-FB), Seq BH, and interleaved acquisition/FB (Int-FB) conditions. The B0 map was calculated with two echo times, and the B1+ map was obtained using the Bloch-Siegert method. Actual flip-angle imaging (AFI) and gradient echo (GRE) imaging were performed using pTx and quadrature-Tx (qTx). All scans were acquired in five sessions. Repeatability was evaluated using intersession standard deviation (SD) or coefficient of variance (CV), and in-plane homogeneity was evaluated using in plane CV. STATISTICAL TESTS: A paired t-test with Bonferroni correction for multiple comparisons was used. RESULTS: The intersession CV/SDs for the B0 /B1+ maps were significantly smaller in Int-FB than in Seq-FB (Bonferroni-corrected P < 0.05 for all). The intersession CVs for the AFI and GRE images were also significantly smaller in Int-FB, Seq-BH, and qTx than in Seq-FB (Bonferroni corrected P < 0.05 for all). The in-plane CVs for the AFI and GRE images in Seq FB, Int-FB, and Seq-BH were significantly smaller than in qTx (Bonferroni corrected P < 0.01 for all). DATA CONCLUSION: Using interleaved acquisition during calibration scans of pTx for 7T brain MRI improved the repeatability of B0 /B1+ mapping, AFI, and GRE images, without BH. LEVEL OF EVIDENCE: 1 Technical Efficacy Stage 1 J. Magn. Reson. Imaging 2017. PMID- 29205624 TI - Fundamental movement skills and balance of children with Down syndrome. AB - BACKGROUND: Conclusive evidence supports the importance of fundamental movement skills (FMS) proficiency in promoting physical activity and countering obesity. In children with Down Syndrome (DS), FMS development is delayed, which has been suggested to be associated with balance deficits. This study therefore examined the relationship between FMS proficiency and balance ability in children with DS, with the aim of contributing evidence to programmes that address FMS delay. METHODS: Participants consisted of 20 children with DS (7.1 +/- 2.9 years old) and an age-matched control group of children with typical development (7.25 +/- 2.5 years). In the first part of the study, FMS (i.e. locomotor and object control) proficiency of the children was tested using the Test of Gross Motor Development-2. Balance ability was assessed using a force platform to measure centre of pressure average velocity (AV; mm/sec), path length (mm), medio-lateral standard deviation (mm) and antero-posterior standard deviation (mm). In the second part of the study, children with DS participated in 5 weeks of FMS training. FMS proficiency and balance ability were tested post-training and compared to pre-training scores. Verbal and visuo-spatial short-term memory capacities were measured at pre-training to verify the role of working memory in skill learning. RESULTS: FMS proficiency was associated with centre of pressure parameters in children with DS but not in children with typical development. After controlling for age, AV was found to predict significant variance in locomotor (R2 = 0.61, P < 0.001) and object control (R2 = 0.69, P < 0.001) scores. FMS proficiency and mastery improved after FMS training, as did AV, path length and antero-posterior standard deviation (all P < 0.05). Verbal and visuo spatial short-term memory did not interact with the effects of training. CONCLUSIONS: Children with DS who have better balance ability tend to have more proficient FMS. Skill-specific training improved not only FMS sub-skills but static balance stability as well. Working memory did not play a role in the changes caused by skills training. Future research should examine the causal relationship between balance and FMS. PMID- 29205625 TI - Vitamin D facilitates trophoblast invasion through induction of epithelial mesenchymal transition. AB - PROBLEM: Vitamin D deficiency increases the risk of developing pregnancy-related complications, including preeclampsia and small-for-gestational-age infants. Vitamin D was demonstrated to promote the invasiveness of human extravillous trophoblasts (EVTs). However, whether vitamin D induces the epithelial mesenchymal transition (EMT) of EVTs remains unclear. Therefore, we investigated whether vitamin D promotes EMT and the related signaling pathways. METHOD OF STUDY: In this study, we performed EMT experiments using JAR cells based on the expression of the mesenchymal markers and vitamin D receptor. JAR cells were treated with calcitriol, the active form of vitamin D. Western blotting was performed to evaluate EMT markers and key molecules of signaling pathways. Invasion assays were conducted. Expression and secretion of MMPs were analyzed by real-time PCR and zymography. RESULTS: Calcitriol significantly enhanced EMT and the invasive capability of JAR cells, along with increased expression and secretion of MMP-2 and MMP-9. Moreover, ERK signaling pathway was activated by calcitriol. The effects of calcitriol were neutralized by ERK signaling blocker. CONCLUSION: Calcitriol facilitated EMT induction and expression of MMPs via ERK signaling pathway, which promoted the invasive capability of EVTs. Further studies are warranted to elucidate the potential application of vitamin D in the prevention of pregnancy complications. PMID- 29205626 TI - Feasibility and reproducibility of feature-tracking-based strain and strain rate measures of the left ventricle in different diseases and genders. AB - BACKGROUND: The measurement of myocardial deformation by strain analysis is an evolving tool to quantify regional and global myocardial function. PURPOSE: To assess the feasibility and reproducibility of myocardial strain/strain rate measurements with magnetic resonance feature tracking (MR-FT) in healthy subjects and in patient groups. STUDY TYPE: Prospective study. POPULATION: Sixty patients (20 hypertensives with left ventricular (LV) hypertrophy (H); 20 nonischemic dilated cardiomyopathy (D); 20 ischemic heart disease (I); as well as 20 controls (C) were included, 10 men and 10 women in each group. FIELD STRENGTH/SEQUENCE: A 1.5T MR protocol including steady-state free precession (SSFP) cine sequences in the standard views and late enhancement sequences. ASSESSMENT: LV volumes, mass, global and regional radial, circumferential, and longitudinal strain/strain rate were measured using CVI42 software. The analysis time was recorded. STATISTICAL TESTS: Intraobserver and interobserver agreement and intraclass correlation coefficients (ICC) were obtained for reproducibility assessment as well as differences according to gender and group of pertinence. RESULTS: Strain/strain rate analysis could be achieved in all subjects. The average analysis time was 14 +/- 3 minutes. The average intraobserver ICC was excellent (ICC >0.90) for strain and good (ICC >0.75) for strain rate. Reproducibility of strain measurements was good to excellent (ICC >0.75) for all groups of subjects and both genders. Reproducibility of strain measurements was good for basal segments (ICC >0.75) and excellent for middle and apical segments (ICC >0.90). Reproducibility of strain rate measurements was moderate for basal segments (ICC >0.50) and good for middle and apical segments. DATA CONCLUSION: MR-FT for strain/strain rate analysis is a feasible and highly reproducible technique. CVI42 FT analysis was equally feasible and reproducible in various pathologies and between genders. Better reproducibility was seen globally for middle and apical segments, which needs further clarification. LEVEL OF EVIDENCE: 3 Technical Efficacy Stage 2 J. Magn. Reson. Imaging 2018;47:1415-1425. PMID- 29205627 TI - Exacerbated grassland degradation and desertification in Central Asia during 2000 2014. AB - Grassland degradation and desertification is a complex process, including both state conversion (e.g., grasslands to deserts) and gradual within-state change (e.g., greenness dynamics). Existing studies hardly separated the two components and analyzed it as a whole based on time series vegetation index data, which cannot provide a clear and comprehensive picture for grassland degradation and desertification. Here we propose an integrated assessment strategy, by considering both state conversion and within-state change of grasslands, to investigate grassland degradation and desertification process in Central Asia. First, annual maps of grasslands and sparsely vegetated land were generated to track the state conversions between them. The results showed increasing grasslands were converted to sparsely vegetated lands from 2000 to 2014, with the desertification region concentrating in the latitude range of 43-48 degrees N. A frequency analysis of grassland vs. sparsely vegetated land classification in the last 15 yr allowed a recognition of persistent desert zone (PDZ), persistent grassland zone (PGZ), and transitional zone (TZ). The TZ was identified in southern Kazakhstan as one hotspot that was unstable and vulnerable to desertification. Furthermore, the trend analysis of Enhanced Vegetation Index during thermal growing season (EVITGS ) was investigated in individual zones using linear regression and Mann-Kendall approaches. An overall degradation across the area was found; moreover, the second desertification hotspot was identified in northern Kazakhstan with significant decreasing in EVITGS , which was located in PGZ. Finally, attribution analyses of grassland degradation and desertification were conducted by considering precipitation, temperature, and three different drought indices. We found persistent droughts were the main factor for grassland degradation and desertification in Central Asia. Considering both state conversion and gradual within-state change processes, this study provided reference information for identification of desertification hotspots to support further grassland degradation and desertification treatment, and the method could be useful to be extended to other regions. PMID- 29205628 TI - Clinical Neuroimaging Using 7 T MRI: Challenges and Prospects. AB - The aim of this article is to illustrate the principal challenges, from the medical and technical point of view, associated with the use of ultrahigh field (UHF) scanners in the clinical setting and to present available solutions to circumvent these limitations. We would like to show the differences between UHF scanners and those used routinely in clinical practice, the principal advantages, and disadvantages, the different UHFs that are ready be applied to routine clinical practice such as susceptibility-weighted imaging, fluid-attenuated inversion recovery, 3-dimensional time of flight, magnetization-prepared rapid acquisition gradient echo, magnetization-prepared 2 rapid acquisition gradient echo, and diffusion-weighted imaging, the technical principles of these sequences, and the particularities of advanced techniques such as diffusion tensor imaging, spectroscopy, and functional imaging at 7TMR. Finally, the main clinical applications in the field of the neuroradiology are discussed and the side effects are reported. PMID- 29205629 TI - Fake news. Fake journals. Fake conferences. What we can do. PMID- 29205630 TI - Health-care professionals' approach in feeding term small-for-gestational age infants and its potential implications to later growth outcomes. AB - AIM: To understand feeding practices, nutrition management and postnatal growth monitoring of term small-for-gestational age (tSGA) infants in Southeast Asia. METHODS: Anonymous questionnaires to assess practices on feeding, nutrition management and post-natal growth monitoring of tSGA infants were distributed among health-care professionals (HCPs) participating in regional/local perinatology symposia in Malaysia, Thailand and Singapore. RESULTS: Three hundred seventy-seven respondents from Malaysia (37%), Thailand (27%), Singapore (18%) and other Asian countries (19%) participated in the survey. Respondents were neonatologists (35%), paediatricians (25%) and other HCPs (40%) including nurses and midwives. Exclusive human milk feeding was reported the most preferred feeding option for tSGA infants, followed by fortified human milk feeding (60% and 20%, respectively). This was consistent among the different countries. The perceived nutrient requirements of tSGA infants varied between countries. Most respondents from Malaysia and Singapore reported requirements to be similar to preterm infants, while the majority from Thailand reported that it was less than those of preterm infants. The World Health Organization Growth Chart of 2006 and Fenton Growth Charts of 2013 were the most frequently used charts for growth monitoring in the hospital and after discharge. CONCLUSIONS: Nutrition management and perceived nutrient requirements for tSGA infants among practising HCPs in Southeast Asia showed considerable variation. The impetus to form standardised and evidence based feeding regimens is important as adequate nutritional management and growth monitoring particularly in this population of infants will have long term impact on population health. PMID- 29205632 TI - Polymer Materials and Engineering Research at Sichuan University. PMID- 29205631 TI - Maternal CD8+ T-cell depletion alleviates intrauterine inflammation-induced perinatal brain injury. AB - We investigated the mechanisms by which CD8+ T-cell trafficking in placenta contributes to perinatal brain injury by studying effects of maternal CD8+ T-cell depletion (DEP) in a mouse model of intrauterine inflammation (IUI). Maternal CD8+ T cells were depleted with anti-CD8+ antibodies. IUI was induced with lipopolysaccharide (LPS). DEP was confirmed using flow cytometry. Preterm birth rate was evaluated. Offspring neurologic sequelae were assessed by Nissl staining, immune arrays, confirmatory individual TaqMan(r) gene assays, and neurobehavioral tests. DEP did not significantly prevent LPS-induced preterm birth but improved neurobehavioral performance (P < .001) and increased cortical neuronal density (P < .05) in LPS-exposed pups compared to controls. These changes were associated with decreased CCL3 and CXCL10 and increased CCL5 in DEP LPS-exposed mice. We demonstrate that DEP reduces perinatal brain injury following IUI. This supports a role for maternal CD8+ T-cell trafficking in placenta in mediating perinatal brain injury separate from preterm birth mechanisms. PMID- 29205633 TI - A combined connectivity mapping and pharmacoepidemiology approach to identify existing medications with breast cancer causing or preventing properties. AB - PURPOSE: We applied a novel combined connectivity mapping and pharmacoepidemiological approach to identify medications that alter breast cancer risk. METHODS: The connectivity mapping process identified 6 potentially cancer causing (meloxicam, azithromycin, rizatriptan, citalopram, rosiglitazone, and verapamil) and 4 potentially cancer-preventing (bendroflumethiazide, sertraline, fluvastatin, and budesonide) medications that were suitable for pharmacoepidemiological investigation. Within the UK Clinical Practice Research Datalink, we matched 45,147 breast cancer cases to 45,147 controls based on age, year, and general practice. Medication use was determined from electronic prescribing records. We used conditional logistic regression to calculate odds ratios (ORs) for the association between medication use and cancer risk after adjustment for comorbidities, lifestyle factors, deprivation, and other medication use. RESULTS: Bendroflumethiazide was associated with increased breast cancer risk (OR: 1.11; 95% CI: 1.06, 1.15); however the connectivity mapping exercise predicted that this medication would reduce risk. There were no statistically significant associations for any of the other candidate medications, with ever use ORs ranging from 0.93 (95% CI: 0.78, 1.11) for azithromycin to 1.16 (95% CI: 0.99, 1.37) for verapamil. CONCLUSIONS: In this instance, our combined connectivity mapping and pharmacoepidemiological approach did not identify any additional medications that were substantially associated with breast cancer risk. This could be due to limitations in the connectivity mapping, such as implausible dosage requirements, or the pharmacoepidemiology, such as residual confounding. PMID- 29205634 TI - Safety and feasibility of stereotactic radiotherapy using computed portal radiography for canine intracranial tumors. AB - Stereotactic radiotherapy is a highly conformal treatment option for intracranial and extracranial malignancies. Stereotactic radiotherapy utilizes specialized equipment specifically designed to avoid normal tissue while delivering ablative treatments with submillimeter precision and accuracy. Linear accelerator based stereotactic radiotherapy incorporates on-board image guidance utilizing cone beam computed tomography (CT). Many institutions lack the ability to provide image guidance with cone beam CT but delivery of highly conformal treatments with submillimeter precision and accuracy is still feasible. The purpose of this retrospective, pilot study was to describe clinical outcomes for a group of dogs with neurological disease that were treated with an stereotactic radiotherapy technique utilizing intensity modulated radiation therapy, megavoltage computed portal radiography, a bite plate, thermoplastic mold, and mask based positioning system. Twelve dogs with neurological clinical signs were included. The diagnosis of intracranial tumor was made based on advanced imaging (12/12) and confirmed via histopathology (3/12). Twelve courses of stereotactic radiotherapy, utilizing three fractions of 8.0 Gy, were delivered on alternating days. Self-resolving neurological deterioration was observed in two patients during stereotactic radiotherapy. Neurological progression free interval and median survival time were 273 days (range: 16-692 days) and 361 days (range: 25-862 days). Stereotactic radiotherapy using computed portal radiography may be a safe treatment option for dogs with intracranial tumors. PMID- 29205635 TI - Cerebral White Matter Maturation Patterns in Preterm Infants: An MRI T2 Relaxation Anisotropy and Diffusion Tensor Imaging Study. AB - BACKGROUND AND PURPOSE: Preterm birth is associated with worse neurodevelopmental outcome, but brain maturation in preterm infants is poorly characterized with standard methods. We evaluated white matter (WM) of infant brains at term equivalent age, as a function of gestational age at birth, using multimodal magnetic resonance imaging (MRI). METHODS: Infants born very preterm (<32 weeks gestation) and late preterm (33-36 weeks gestation) were scanned at 3 T at term equivalent age using diffusion tensor imaging (DTI) and T2 relaxometry. MRI data were analyzed using tract-based spatial statistics, and anisotropy of T2 relaxation was also determined. Principal component analysis and linear discriminant analysis were applied to seek the variables best distinguishing very preterm and late preterm groups. RESULTS: Across widespread regions of WM, T2 is longer in very preterm infants than in late preterm ones. These effects are more prevalent in regions of WM that myelinate earlier and faster. Similar effects are obtained from DTI, showing that fractional anisotropy (FA) is lower and radial diffusivity higher in the very preterm group, with a bias toward earlier myelinating regions. Discriminant analysis shows high sensitivity and specificity of combined T2 relaxometry and DTI for the detection of a distinct WM development pathway in very preterm infants. T2 relaxation is anisotropic, depending on the angle between WM fiber and magnetic field, and this effect is modulated by FA. CONCLUSIONS: Combined T2 relaxometry and DTI characterizes specific patterns of retarded WM maturation, at term equivalent age, in infants born very preterm relative to late preterm. PMID- 29205636 TI - Immune checkpoint molecules soluble program death ligand 1 and galectin-9 are increased in pregnancy. AB - PROBLEM: Pregnancy requires balance between tolerance to the haploidentical fetus and the mother's ability to mount immune responses. There are parallels to this phenomenon that occur in metastatic cancer. We assessed soluble program death ligand-1 soluble PD-L1 (sPD-L1) and galectin-9 in the blood of pregnant women during gestation as these molecules are highly involved in immune suppression during cancer. METHOD OF STUDY: Maternal blood was collected from 30 primigravida women at monthly intervals during pregnancy, delivery and 6-week post-partum. Blood was analyzed for sPD-L1 and galectin-9 concentrations by ELISA. Term placentas were collected in formalin and IHC was completed for PD-L1 and galectin 9 expression. RESULTS: Maternal blood levels of sPD-L1 (0.438 ng/mL) and galectin 9 (1976 pg/mL) were elevated early in normal pregnancies compared to non-pregnant controls (0.242 ng/mL and 773 pg/mL, respectively). sPD-L1 increased throughout gestation, whereas galectin-9 remained elevated until parturition; both proteins returned to control levels post-partum. Women carrying male fetuses had significantly higher galectin-9 levels, but not sPD-L1, than those carrying females (2263 pg/mL vs 1874 pg/mL; P = .0005). Trophoblast cells of the term placenta coexpress galectin-9 and PD-L1. CONCLUSION: Immune-regulatory molecules galectin-9 and sPD-L1 increased during pregnancy and may play a role in immune tolerance that is critical for the fetus. PMID- 29205637 TI - A field guide for cancer diagnostics using cell-free DNA: From principles to practice and clinical applications. AB - Recently, many genome-wide profiling studies provided insights into the molecular make-up of major cancer types. The deeper understanding of these genetic alterations and their functional consequences led to the discovery of novel therapeutic opportunities improving clinical management of cancer patients. While tissue-based molecular patient stratification is the gold standard for precision medicine, it has certain limitations: Tissue biopsies are invasive sampling procedures carrying the risk of complications and may not represent the entire tumor due to underlying genetic heterogeneity. In this context, complementary characterization of genetic information in the blood of cancer patients can serve as minimal-invasive 'liquid biopsy'. Fragments of circulating cell-free DNA (cfDNA) are released from tissues of healthy individuals as well as cancer patients. The fraction of cfDNA that is released from primary tumors or metastases (i.e. circulating tumor DNA, ctDNA) represents genetic aberrations in cancer cells, which are a potential source for diagnostic, prognostic, and predictive biomarkers. Recent studies have demonstrated technical feasibility and clinical applications including detection of drug targets and resistance mutations as well as longitudinal monitoring of tumors under therapy. To this end, a variety of pre-analytical procedures for blood processing, isolation and quantification of cfDNA are being employed and several analytical methods and technologies ranging from PCR-based single locus assays to genome-wide approaches are available, which considerably differ in sensitivity, specificity, and throughput. However, broad implementation of ctDNA analysis in daily clinical practice requires a thorough understanding of theoretical, technical, and biological concepts and necessitates standardization and validation of pre analytical and analytical procedures across different technologies. Here, we review the pertinent literature and discuss the advantages and limitations of available methodologies and their potential applications in molecular diagnostics. PMID- 29205638 TI - Long Noncoding RNA-1604 Orchestrates Neural Differentiation through the miR 200c/ZEB Axis. AB - Clarifying the regulatory mechanisms of embryonic stem cell (ESC) neural differentiation is helpful not only for understanding neural development but also for obtaining high-quality neural progenitor cells required by stem cell therapy of neurodegenerative diseases. Here, we found that long noncoding RNA 1604 (lncRNA-1604) was highly expressed in cytoplasm during neural differentiation, and knockdown of lncRNA-1604 significantly repressed neural differentiation of mouse ESCs both in vitro and in vivo. Bioinformatics prediction and mechanistic analysis revealed that lncRNA-1604 functioned as a novel competing endogenous RNA of miR-200c and regulated the core transcription factors ZEB1 and ZEB2 during neural differentiation. Furthermore, we also demonstrated the critical role of miR-200c and ZEB1/2 in mouse neural differentiation. Either introduction of miR 200c sponge or overexpression of ZEB1/2 significantly reversed the lncRNA-1604 knockdown-induced repression of mouse ESC neural differentiation. Collectively, these findings not only identified a previously unknown role of lncRNA-1604 and ZEB1/2 but also elucidated a new regulatory lncRNA-1604/miR-200c/ZEB axis in neural differentiation. Stem Cells 2018;36:325-336. PMID- 29205639 TI - Proton Conducting Membranes Based on Poly(Ionic Liquids) Having Phosphonium Counter-Cations. AB - Proton conducting polymeric membranes are highly searched in many different technologies ranging from energy to biosensing. Protic ionic liquids and their polymeric version represent a new family of proton conducting molecules with relatively facile synthesis and excellent properties. In this work, protic poly(ionic liquids) having the most popular phosphonium counter-cations are presented for the first time. The synthesis is carried out through proton transfer reactions or through ion exchange reactions by using commercially available tertiary phosphines. Tributyl-, trioctyl-, and tricyclohexyl-phosphine are selected to form the desired cations. Polystyrene sulfonic acid, poly(2 acrylamido-2-methyl-1-propanesulfonic acid), and lithium poly[(4-styrenesulfonyl) (trifluoromethanesulfonyl)imide] polymers are used to form the polymeric anions. The chemical structure of the protic poly(ionic liquids) is confirmed by spectroscopic characterizations such as Fourier transform infrared and nuclear magnetic resonance spectroscopies. Thermal properties of the polymer are characterized by means of differential scanning calorimetry and thermogravimetric analysis. Polymers exhibit good membrane forming ability as well as high ionic conductivities in the range of 10-8 to 10-3 S cm-1 from 30 to 90 degrees C. PMID- 29205640 TI - Presepsin as a predictor of positive blood culture in suspected neonatal sepsis. AB - BACKGROUND: Although the incidence of neonatal sepsis is decreasing, neonatal sepsis remains a severe life-threatening disease. No current biochemical marker can provide perfect diagnostic accuracy for neonatal sepsis. The aim of this study was therefore to evaluate the accuracy of presepsin (P-SEP) as a novel biomarker of bacterial infection for neonatal sepsis diagnosis. METHODS: We prospectively studied newborns with sepsis (sepsis group; n = 13) during the first 30 days after birth and compared them with control preterm newborns (control group; n = 18). In addition, we evaluated term newborns with some clinical signs of early onset sepsis (non-sepsis term group; n = 35). RESULTS: P SEP in the sepsis group was significantly higher than in the control group (P < 0.001) The area under the curve for P-SEP was 0.868 (95%CI: 0.71-1.00). A P-SEP cut-off of 795 pg/mL was established, with 85% sensitivity and 89% specificity. The positive and negative predictive values were 85% and 89%, respectively. In the non-sepsis term group, P-SEP had better stability than white blood cells and C-reactive protein for 3 days after birth. CONCLUSIONS: P-SEP can better discriminate between infections and non-infectious inflammatory conditions than the currently used biomarkers. PMID- 29205641 TI - Clinical and Arterial Spin Labeling Brain MRI Features of Transitional Venous Anomalies. AB - BACKGROUND AND PURPOSE: Transitional venous anomalies (TVAs) are rare cerebrovascular lesions that resemble developmental venous anomalies (DVAs), but demonstrate early arteriovenous shunting on digital subtraction angiography (DSA) without the parenchymal nidus of arteriovenous malformations (AVMs). We investigate whether arterial spin labeling (ASL) magnetic resonance imaging (MRI) can distinguish brain TVAs from DVAs and guide their clinical management. METHODS: We conducted a single-center retrospective review of patients with brain parenchymal DVA-like lesions with increased ASL signal on MRI. Clinical histories and follow-up information were obtained. Two readers assessed ASL signal location relative to the vascular lesion on MRI and, if available, the presence of arteriovenous shunting on DSA. RESULTS: Thirty patients with DVA-like lesions with increased ASL signal were identified. Clinical symptoms prompted MRI evaluation in 83%. Symptoms did not localize to the venous anomaly in 90%. Ten percent presented with acute symptoms, only one of whom presented with hemorrhage. ASL signal in relation to the venous anomaly was identified in: 50% in the adjacent parenchyma, 33% in the lesion, 7% in a distal draining vein/sinus, and 10% in at least two of these sites. Follow-up DSA confirmed arteriovenous shunting in 71% of ASL-positive venous anomalies. Interrater agreement was very good (kappa = .81-1.0, P < .001). CONCLUSION: A DVA-like lesion with increased ASL signal likely represents a TVA with arteriovenous shunting. Our study indicates that these lesions are usually incidentally detected and have a lower risk of hemorrhage than AVMs. ASL-MRI may be a useful tool to identify TVAs and guide further management of patients with TVAs. PMID- 29205642 TI - Obesity in elementary school children after the Great East Japan Earthquake. AB - BACKGROUND: Rikuzentakata was one of the cities most devastated by the Great East Japan Earthquake on 11 March 2011. Many buildings were swept away or destroyed and affected families were placed into temporary housing. The aim of this study was to determine the impact of long-term temporary housing on the body mass index (BMI) of elementary school children living in Rikuzentakata City. METHODS: A retrospective cohort study of was carried out of students attending 1st-3rd grade in 2010, and 4th-6th grade in 2013, in eight elementary schools in Rikuzentakata City. Height and weight were measured annually. We compared changes in BMI between children in temporary housing and those in permanent housing. Separately, parents of students attending one of the elementary schools were surveyed in 2013. RESULTS: Of 526 children in the present study, 32% were living in temporary housing. The prevalence of obesity climbed from 5.3% in 2010 to 7.8% in 2013 in the temporary housing group, and from 7.6% to 7.8% in the permanent housing group. BMI z-score in the temporary housing group increased by 0.102 points between 2010 and 2013 (P < 0.02). Children in temporary housing spent more time reading comic books and their walking commute time had decreased by 2 min compared with before the disaster. CONCLUSION: Obesity prevalence and BMI z-score increased in children in temporary housing compared with permanent housing. A more sedentary lifestyle may explain this trend. It is important for policy makers and health-care providers to recognize potential consequences of long-term residence in temporary housing. PMID- 29205643 TI - Paternal HLA-C is a risk factor in unexplained recurrent miscarriage. AB - PROBLEM: HLA-C is the only classical HLA-I antigen expressed on trophoblast. We hypothesized that the alloimmune response to paternal HLA-C plays a role in unexplained recurrent miscarriage. METHOD OF STUDY: In a case-control design, we included 100 women with at least three unexplained consecutive miscarriages along with their partners and children. For the first control group, we included 90 women with an uneventful singleton pregnancy without pregnancy complications in their history along with their children. The second control group consisted of 425 families. HLA-C*07 and HLA-C*17 frequencies, which are the most immunogenic HLA-C antigens, along with HLA-C mismatches, and the presence of specific HLA antibodies in the mother were determined. RESULTS: HLA-C and HLA-C*07 mismatches were significantly increased in couples with recurrent miscarriage compared to control subjects (P = .016, P = .008, respectively). The incidence of child specific HLA-C*07/HLA-C*17 antibodies was increased in women with recurrent miscarriage (P = .007). CONCLUSION: The results show that HLA-C incompatibility between couples is significantly associated with unexplained recurrent miscarriage. PMID- 29205644 TI - Making do with less: must sparse data preclude informed harvest strategies for European waterbirds? AB - The demography of many European waterbirds is not well understood because most countries have conducted little monitoring and assessment, and coordination among countries on waterbird management has little precedent. Yet intergovernmental treaties now mandate the use of sustainable, adaptive harvest strategies, whose development is challenged by a paucity of demographic information. In this study, we explore how a combination of allometric relationships, fragmentary monitoring and research information, and expert judgment can be used to estimate the parameters of a theta-logistic population model, which in turn can be used in a Markov decision process to derive optimal harvesting strategies. We show how to account for considerable parametric uncertainty, as well as for different management objectives. We illustrate our methodology with a poorly understood population of Taiga Bean Geese (Anser fabalis fabalis), which is a popular game bird in Fennoscandia. Our results for Taiga Bean Geese suggest that they may have demographic rates similar to other, well-studied species of geese, and our model based predictions of population size are consistent with the limited monitoring information available. Importantly, we found that by using a Markov decision process, a simple scalar population model may be sufficient to guide harvest management of this species, even if its demography is age structured. Finally, we demonstrated how two different management objectives can lead to very different optimal harvesting strategies, and how conflicting objectives may be traded off with each other. This approach will have broad application for European waterbirds by providing preliminary estimates of key demographic parameters, by providing insights into the monitoring and research activities needed to corroborate those estimates, and by producing harvest management strategies that are optimal with respect to the managers' objectives, options, and available demographic information. PMID- 29205645 TI - Using ricelands to provide temporary shorebird habitat during migration. AB - To help mitigate large wetland losses in California, The Nature Conservancy launched a dynamic conservation incentive program to create temporary wetland habitats in harvested and fallow rice fields for shorebirds migrating along the Pacific Flyway. Farmers were invited to participate in a reverse auction bidding process and winning bids were selected based on their cost and potential to provide high quality shorebird habitat. This was done in 2014 and 2015, for separate enrollment periods that overlapped with spring and fall migration, both before and after the traditional post-harvest flooding period. To assess the success of the program, we monitored shorebird use of fields that were enrolled (treatments), and others that were subject to typical rice farm management (controls). To put these observations in context, we used satellites to simultaneously monitor the extent of shallow-water habitat across the ~215,000 ha of ricelands in the area. Results showed that providing habitat during migration, when it is typically unavailable in rice fields, yielded the largest average shorebird densities ever reported for agriculture in the region. Treatment fields had significantly greater shorebird density, richness and diversity than control fields in both spring and fall (especially September-early October, and late March-early April), but in fall the difference was greater. Shorebird responses to habitat provisioning, and regional habitat conditions, were variable from year to year, and highly dynamic within a given season. Overall, shorebirds densities were found to be negatively related to the total amount of flooded habitat in the rice landscape. Factors that affected habitat availability included allocation schedules of water deliveries from reservoirs, and rainfall patterns, both of which were influenced by drought. Collectively, these results suggest that appropriately managed agricultural lands have great potential to provide high value habitat for shorebirds during times of habitat deficit, including migration, and that fall may be a particularly impactful time to create additional habitat. Migratory species face great challenges due to the climate change, conversion of historical stopover sites, and other factors, but dynamic conservation programs offer promise that, at least in certain instances, their needs can still be met. PMID- 29205646 TI - Infantile Pompe Disease and Enzyme Replacement Therapy. PMID- 29205647 TI - Beyond the bedside. PMID- 29205648 TI - Therapeutic Options to Improve Bone Health Outcomes in Duchenne Muscular Dystrophy: Zoledronic Acid and Pubertal Induction. PMID- 29205649 TI - Progressive bull's-eye lesions in the skin of a healthy child. PMID- 29205650 TI - Progressive bull's-eye lesions in the skin of a healthy child. PMID- 29205652 TI - When best interests are not good enough. PMID- 29205651 TI - Gut microbiota in early life and its influence on health and disease: A position paper by the Malaysian Working Group on Gastrointestinal Health. AB - The role of gut microbiota in early life and its impact on gut health and subsequent diseases remain unclear. There is a lack of research and awareness in this area, especially in the Asia-Pacific region, including Malaysia. This paper reports the position of a Malaysian Working Group on some key issues surrounding gut microbiota in early life and its role in gut health and diseases, as well as experts' stand on probiotics and prebiotics. The group reached a consensus that certain factors, including elective caesarean; premature deliveries; complementary feeding; use of antibiotics, prebiotics and/or probiotics; and exposure to the external environmental, have an impact on gut microbiota in early life. However, as evidence is lacking, especially from the Asia-Pacific region, further studies are needed to understand how gut microbiota in early life affects subsequent diseases, including allergy, inflammatory bowel disease, obesity and infantile colic. Lastly, although beneficial in acute diarrhoeal disease and probably allergic eczema, probiotics (and/or prebiotics) should be used cautiously in other gut dysbiotic conditions until more data are available. PMID- 29205653 TI - Expanded Newborn Screening Programme in Saudi Arabia: Are We Ready? PMID- 29205654 TI - Strategies for treatment of pre-schoolers with episodic viral wheeze. PMID- 29205655 TI - Short Sleep Duration and Obesity Among Children. PMID- 29205656 TI - Another Look at Hereditary Partial Androgen Insensitivity Syndrome in an Indigenous Community in the Northern Territory of Australia. PMID- 29205657 TI - Outcome for 22-24 week gestation newborns. PMID- 29205659 TI - Role of montelukast in management of episodic viral wheeze. PMID- 29205658 TI - Late Dumping Syndrome in a 17-Year-Old Female With Charge Syndrome. PMID- 29205661 TI - Child with asymptomatic yellow-orange plaques on the frontal region. PMID- 29205660 TI - Child with asymptomatic yellow-orange plaques on the frontal region. PMID- 29205663 TI - Egg allergy prevention. PMID- 29205662 TI - Prophylactic Vitamin D Supplementation in High-Risk Breastfed Infants. PMID- 29205664 TI - Disease marketing. PMID- 29205665 TI - Toxicity of docetaxel, carboplatin, and trastuzumab combination as adjuvant or neo-adjuvant treatment for Her2 positive breast cancer patients and impact of colony-stimulating factor prophylaxis. AB - While the docetaxel, carboplatin, and trastuzumab (TCH) regimen is one of the standard treatments in Her2-positive breast cancer, however, acute toxicities, especially those related to the high rate of neutropenia are consistently reported. Primary: To compare the toxicity of TCH in current clinical practice vs the toxicity observed in the pivotal study, comparing the toxicity in patients that received primary prophylaxis (PP) with colony-stimulating factors vs those that did not receive PP. Secondary: To describe the demographic and clinical characteristics of the study sample, as well as the adverse effects and survival. The data regarding 95 patients were analyzed. Observed toxicity (hematological and extra-hematological) was greater compared to the pivotal study, with the exception of neuropathy and neutropenia. Toxicities "PP" vs "no PP": Extra hematological grade 3-4 toxicities: Significant reduction was observed in the "PP" group vs the "no PP" group referred to fatigue, stomatitis, nausea, and vomiting. Hematological grade 3-4 toxicities: Lesser neutropenia, leukopenia, and febrile neutropenia were observed in the "PP" group. Complications associated to treatment: No grade 3-4 cardiac toxicity, leukemia or deaths were recorded. DFS and OS: After a mean follow-up of 22.9 months, only one bone metastatic relapse was detected (DFS: 98.9%; OS: 100%). The combination TCH is very active and effective as adjuvant and neo-adjuvant therapy in Her2-positive breast cancer, and is currently regarded as standard treatment. However, global toxicity as well as hematological toxicity is elevated. The incorporation of PP to TCH significantly reduces hematological toxicity and some of the global toxicity, thus favoring treatment implementation and lessening the clinical complications. We therefore recommend generalization of PP with colony-stimulating factors in patients receiving TCH. PMID- 29205666 TI - Evaluation of 17% EDTA and 10% citric acid in smear layer removal and tubular dentin sealer penetration. AB - The purpose of this study was to compare the efficacy of different chelating solutions (17% EDTA and 10% citric acid) on the smear layer removal, and their effect on tubular dentin sealer penetration. Sixty root canals were prepared and distributed into four groups (n = 15) according to the final irrigation protocol: G1, final irrigation with 2.5 mL of distilled water; G2, final irrigation with 2.5 mL of 2.5% sodium hypochlorite solution; G3, final irrigation with 2.5 mL of 17% EDTA; and G4, final irrigation with 2.5 mL of 10% citric acid. Five specimens from each group were not filled to assess smear layer removal by scanning electron microscopy. Ten specimens from each group were filled for analysis of sealer penetration into dentinal tubules by confocal laser scanning microscopy. Smear layer removal (Kruskal-Wallis and Dunn's tests) and sealer penetration (F and Tukey's tests) were statistically analyzed with 95% of significance level. G3 and G4 had greater smear layer removal rates in the cervical and middle thirds, in comparison with G1 and G2 (p < .05). G3 and G4 had the highest percentages of sealer penetration in all thirds, in comparison with G1 and G2 (p < .05). Smear layer removal was effective only at the cervical and middle thirds when the chelating solutions were used. Sealer penetration into the dentinal tubules significantly increased in all root thirds when the specimens were treated with both chelating solutions. PMID- 29205667 TI - The effect of postnatal manganese exposure on the NMDA receptor signaling pathway in rat hippocampus. AB - Overexposure to manganese (Mn) is associated with neurological disorders in children. Evidence indicated that N-methyl-d-aspartate (NMDA) receptor signaling pathway was critical for neurobehavioral function. However, whether NMDA receptor signaling pathway contributes to Mn-induced neurotoxicity remains unknown. In this study, newborn Sprague-Dawley rats were randomly assigned to four groups exposed to 0, 10, 20, and 30 mg/kg of Mn2+ by intraperitoneal injection (n = 10/group: five males and five females). After 3 weeks of Mn exposure, messenger RNA (mRNA) and protein expression of NMDA receptor subunits (NR1, NR2A, and NR2B), cAMP-response element binding protein (CREB), and brain-derived neurotrophic factor (BDNF) in hippocampus were measured by real-time quantitative RT-PCR and Western blot. In Mn-exposed rats, decreased mRNA and protein expression of NR1, NR2A, and NR2B, CREB, and BDNF was observed. The results imply that downregulated NMDA receptor signaling pathway may be of vital importance in the neuropathological process of Mn-induced neurotoxicity. PMID- 29205668 TI - Cerebrovascular blood pressure autoregulation monitoring and postoperative transient ischemic attack in pediatric moyamoya vasculopathy. AB - BACKGROUND: Children with moyamoya vasculopathy are at high risk of perioperative cerebral ischemia or hyperperfusion. Maintaining blood pressure within the range of functional cerebrovascular blood pressure autoregulation might reduce the risk of perioperative neurologic injury. AIMS: We tested whether blood pressure autoregulation is associated with postoperative transient ischemic attack in a study of patients with pediatric moyamoya vasculopathy. METHODS: We conducted an observational study of 15 pediatric patients undergoing surgical revascularization with pial synangiosis. Nine patients had bilateral moyamoya and 6 had unilateral moyamoya. We measured autoregulatory vasoreactivity intraoperatively and during the first postoperative night with the hemoglobin volume index, a value derived from near-infrared spectroscopy. We also identified the optimal mean arterial blood pressure at which autoregulation was most robust in each patient. RESULTS: Of the 15 children monitored, 3 with bilateral moyamoya and one with unilateral moyamoya experienced a transient ischemic attack. Poorer autoregulation during surgery was associated with postoperative transient ischemic attack among those with bilateral vasculopathy (P = .048, difference in hemoglobin volume index medians: 0.023, 95% confidence interval: 0.003-0.071). This relationship was not observed with postoperative autoregulation. The optimal mean arterial blood pressure was identifiable during surgery in all monitored patients, varied among patients, and often differed between the intraoperative and postoperative periods. CONCLUSION: Dysfunctional intraoperative autoregulation may increase the risk of TIA in patients with pediatric moyamoya vasculopathy. The blood pressure range that supports autoregulation appears to vary among patients. Using autoregulation monitoring to guide individualized blood pressure goals should be studied as a potential method to reduce perioperative neurologic morbidity in pediatric patients with moyamoya. PMID- 29205669 TI - Prospective analysis of serious cardiorespiratory events in children during ophthalmic artery chemotherapy for retinoblastoma under a deep standardized anesthesia. AB - BACKGROUND AND OBJECTIVE: Serious adverse cardiorespiratory events complicate super selective ophthalmic artery chemotherapy for retinoblastoma in anesthetized children. Their mechanism remains unclear but may be attributed to an autonomic nervous reflex induced by the catheter close to the ophthalmic artery. Inadequate depth of anesthesia during catheter stimulation might be an aggravating factor. Thus, we tested whether deep general anesthesia reduced the incidence of serious cardiorespiratory events. METHODS: Children were prospectively included in this observational study. Standardized deep general anesthesia with sevoflurane, rocuronium, and sufentanil was administered. Sevoflurane MAC was kept between 1.5 and 1.7 and additional sufentanil administered. Serious cardiorespiratory event criteria were predefined and included arterial hypotension, bradycardia, and severe decrease in lung compliance. They were recorded and the factors influencing their occurrence were investigated. RESULTS: One hundred fifteen procedures were performed on 32 children. The median MAC of sevoflurane was 1.5 and median BIS value was 44. Serious cardiorespiratory events occurred in 20% of procedures and were mainly severe decrease in lung compliance (83% of events). All of them required active treatment. One procedure was aborted due to cardiorespiratory compromise and required an epinephrine infusion. All severe decreases in lung compliance occurred within 2 minutes after catheter insertion in the ophthalmic artery. No recorded demographic and endovascular characteristics were associated with serious cardiorespiratory events. CONCLUSION: Serious cardiorespiratory events occur commonly during super selective ophthalmic artery chemotherapy. Standardized deep anesthesia with analgesia did not appear to be protective. No predictive factors were identified, but these events systematically arose within 2 minutes after ophthalmic artery catheter insertion. Anesthetists and neuroradiologists should be prepared to manage these serious complications and parents should be informed of the risks. PMID- 29205670 TI - Neck Vessel Cross-Sectional Area Measured with MRI: Scan-Rescan Reproducibility for Longitudinal Evaluations. AB - BACKGROUND AND PURPOSE: The cross-sectional area (CSA) of common carotid arteries internal carotid arteries (CCA-ICAs), vertebral arteries (VAs), and internal jugular veins (IJVs) is influenced by aging. However, the neck vessel CSA can be affected by other factors as well, including subject positioning, hydration, and respiration, especially in longitudinal studies. This study aimed to assess scan rescan reproducibility of CCA-ICAs, VAs, and IJVs CSA measurements in order to evaluate their feasibility for longitudinal CSA assessments, and to apply the segmentation method on a longitudinal pilot dataset. METHODS: Two set of 2 dimensional neck magnetic resonance angiography (MRA) images were acquired on a 3 T scanner from two separate datasets: 9 healthy individuals (HIs) were scanned 5 days apart (scan-rescan dataset) and 12 HIs were acquired 5 years apart (baseline follow-up dataset). CCA-ICAs, VAs, and IJVs were segmented along the whole vessel length between C3 and C7 intervertebral spaces. Repeated measure analysis of covariance, adjusted for cervical level and sample, and Wilcoxon signed-rank sum test were used to assess the scan-rescan and baseline-follow-up CSA differences. Intraclass correlation coefficient (ICC) was also computed to evaluate scan rescan reliability. RESULTS: No significant CSA differences were found for the scan-rescan and baseline-follow-up CSA comparisons, using the whole vessel length or single cervical level measurements. ICC analysis showed good degree of scan rescan reproducibility (considering whole vessel measures: ICC > .9, P-value < .001 for CCA-ICAs, ICC > .6, P-value < .001 for VAs, and ICC > .7, P-value < .001 for IJVs). CONCLUSIONS: Scan-rescan reproducibility of CCA-ICAs, VAs, and IJVs CSA measurements is high, making longitudinal studies feasible. PMID- 29205671 TI - Fronto-parietal coding of goal-directed actions performed by artificial agents. AB - With advances in technology, artificial agents such as humanoid robots will soon become a part of our daily lives. For safe and intuitive collaboration, it is important to understand the goals behind their motor actions. In humans, this process is mediated by changes in activity in fronto-parietal brain areas. The extent to which these areas are activated when observing artificial agents indicates the naturalness and easiness of interaction. Previous studies indicated that fronto-parietal activity does not depend on whether the agent is human or artificial. However, it is unknown whether this activity is modulated by observing grasping (self-related action) and pointing actions (other-related action) performed by an artificial agent depending on the action goal. Therefore, we designed an experiment in which subjects observed human and artificial agents perform pointing and grasping actions aimed at two different object categories suggesting different goals. We found a signal increase in the bilateral inferior parietal lobule and the premotor cortex when tool versus food items were pointed to or grasped by both agents, probably reflecting the association of hand actions with the functional use of tools. Our results show that goal attribution engages the fronto-parietal network not only for observing a human but also a robotic agent for both self-related and social actions. The debriefing after the experiment has shown that actions of human-like artificial agents can be perceived as being goal-directed. Therefore, humans will be able to interact with service robots intuitively in various domains such as education, healthcare, public service, and entertainment. PMID- 29205672 TI - Repetitive-incessant electrical storm triggered by early repolarization. AB - Early repolarization syndrome (ERS) was originally considered a normal variant with benign outcome. However, recent studies have demonstrated that it can be linked to a considerable risk of life-threatening arrhythmias and sudden cardiac death. We report a case with an extraordinary, extremely malignant clinical expression of ERS refractory to all antiarrhythmic drugs including quinidine. This case demonstrates real-time changes of dynamic electrocardiogram (ECG) preceding a polymorphic ventricular tachycardia (VT)-ventricular fibrillation (VF) and possible external factors triggering arrhythmia onset. Implantable cardioverter-defibrillator (ICD) function was terminated 6 months after implantation due to multiple-incessant electrical storm (ES). Catheter ablation was the definite treatment of this malignant entity. PMID- 29205673 TI - Mechanisms of AMPK in the maintenance of ATP balance during energy metabolism. AB - AMP-activated protein kinase (AMPK) is a conserved sensor of cellular energy change and is activated by increased AMP/ATP and/or ADP/ATP ratios. AMPK maintains the energy balance by decreasing the ATP-consuming processes such as transcription of synthetic fat genes and rRNA, the translation of ribosomal proteins, synthesis of cholesterol and fatty acid, while the metabolic pathways such as glucose and fatty transport, fatty acid oxidation, autophagy, mitochondrial synthesis and oxidative metabolism are increased to preserve ATP during energy deficiency. Recent advance has demonstrated that AMPK activity has a close association with the initiation and progression in various cancers. Here we review the mechanisms that AMPK controls energy metabolism through regulating ATP synthesis and consumption, and further discuss the deregulation of AMPK in cancers. PMID- 29205674 TI - Free light chain-associated Fanconi syndrome in an adolescent. PMID- 29205675 TI - Exploring associations between psychiatric disorder, psychological distress, and health care utilization in cancer patients. AB - OBJECTIVE: The mental burden of cancer might elicit additional health care utilization. However, it is unclear how psychiatric disorder and psychological distress relate to health care utilization. Therefore, this study explores associations between psychiatric disorder, psychological distress, and health care utilization. It was hypothesized that presence of psychiatric disorder and psychological distress was associated with increased health care utilization and costs. METHODS: The current study consisted of secondary analyses of baseline data of a larger randomized controlled trial. Two hundred forty-five mixed-cancer patients with at least mild symptoms of psychological distress (Hospital Anxiety and Depression Scale-T >= 11) were mainly recruited via online media, participating centers and patient associations. Patients were assessed with Structured Clinical Interview for DSM-IV-TR Axis I Disorders (SCID-I) for depressive, anxiety, and/or adjustment disorder. Psychological distress was measured by the Hospital Anxiety and Depression Scale. Retrospective self reported health care utilization in the past 3 months was collected. Associations between predictors and health care utilization in terms of incidence rate ratios (IRR) and costs per category (mental, primary, somatic, and complementary) were assessed by negative binomial, logistic, and gamma regression. RESULTS: Eighty nine (36.3%) patients suffered from psychiatric disorder, which was associated with mental health care utilization (IRR = 1.63) and costs (OR = 3.11). We observed a nonsignificant trend of somatic health care utilization in patients with psychiatric disorder. Psychological distress was associated with mental health care utilization (IRR = 1.09) and costs (OR = 1.09). Psychological distress was also associated with complementary health care utilization (IRR = 1.03). CONCLUSION: Psychiatric disorder and psychological distress were associated with mental health care use and costs. Psychological distress was associated with complementary health care use. Adequate assessment and referral to mental health care might prevent unnecessary health care utilization. PMID- 29205676 TI - Now more than ever. PMID- 29205678 TI - Perioperative management of gastrostomy tube placement in Duchenne muscular dystrophy adolescent and young adult patients: A role for a perioperative surgical home. AB - BACKGROUND: In past decades, Duchenne muscular dystrophy patients have been living longer and as the disease advances, patients experience multisystemic deterioration. Older patients often require gastrostomy tube placement for nutritional support. For optimizing the perioperative care, a practice of multidisciplinary team can better anticipate, prevent, and manage possible complications and reduce the overall perioperative morbidity and mortality. AIMS: The aim of this study was to review our experience with perioperative care of adolescent and young adults with Duchenne muscular dystrophy undergoing gastrostomy by various surgical approaches in order to identify challenges and improve future perioperative care coordination to reduce morbidity. METHODS: We retrospectively examined cases of gastrostomy tube placement in patients of ages 15 years and older between 2005 and 2016. We reviewed preoperative evaluation, anesthetic and surgical management, and postoperative complications. RESULTS: Twelve patients were identified; 1 had open gastrostomy, 3 laparoscopic gastrostomies, 5 percutaneous endoscopic guided, and 3 radiologically inserted gastrostomy tubes. All patients had preoperative cardiac evaluation with 6 patients demonstrating cardiomyopathy. Nine patients had preoperative pulmonary consultations and the pulmonary function tests reported forced vital capacity of <=36% of predicted. Eight patients were noninvasive positive pressure ventilation dependent. General anesthesia with tracheal intubation was administered in 8 patients, and intravenous sedation in 4 patients; 1 received sedation supplemented with regional anesthesia and 3 received deep sedation. One patient had a difficult intubation that resulted in trauma and prolonged tracheal intubation. Three patients developed postoperative respiratory complications. Two patients' procedures were postponed due to inadequate preoperative evaluation and 1 because of disagreement between anesthesia and procedural services as to the optimal approach for airway management. CONCULSION: Optimal management of the perioperative care of Duchenne muscular dystrophy patients requires input from relevant medical specialists, proceduralist and anesthesiologist. This complexity of care coordination presents an opportunity for anesthesiologists to lead a collaborative perioperative team in management of advanced Duchenne patients coming for gastrostomy. PMID- 29205681 TI - Meroistic oogenesis of Drosophila, in section in situ. PMID- 29205679 TI - Prevalence and characteristics of human parechovirus and enterovirus infection in febrile infants. AB - BACKGROUND: Human parechovirus (HPeV) and human non-polio enterovirus (EV) are important causes of fever without source (FWS) in young infants. Their prevalence and clinical characteristics are largely unknown in Asian countries. This study was conducted to elucidate the epidemiology and clinical characteristics of HPeV and EV infection in febrile young infants in Japan. METHODS: During February 2010 August 2015, we obtained 53 stool, 44 throat swab, and 20 cerebrospinal fluid samples from 56 infants (<3 months) with FWS at a single hospital. To each sample, we applied reverse transcription-polymerase chain reaction for HPeV and EV. We compared the clinical characteristics of HPeV and EV patients. RESULTS: HPeV was detected in 11 and EV in 17 patients. HPeV was detected during July September. HPeV patients, compared with EV patients, had lower age (32 vs 47 days; P = n.s.), higher prevalence of exclusive breast-feeding (81.8 vs 29.4%; P = 0.024), and lower prevalence of sick contacts (36.4 vs 88.2%; P = 0.010). More HPeV than EV patients met the systemic inflammatory response syndrome criteria (90.9 vs 52.9%; P = 0.049). In the HPeV group, leukopenia, thrombopenia, and elevated deviation enzyme were observed, although the prevalence of abnormal cerebrospinal fluid was significantly lower than in the EV group. HPeV patients had longer hospital stay (7 vs 5 days; P = 0.025). CONCLUSION: HPeV and EV are important causal viruses of FWS. Characteristic clinical pictures exist in these virus infections, but further research is needed to accumulate more cases to produce a comprehensive picture of these virus infections. PMID- 29205682 TI - Sibling visits and viral infection in the neonatal intensive care unit. AB - BACKGROUND: Sibling visits to the neonatal intensive care unit (NICU) are a part of family-centered care, which is now being increasingly endorsed as a positive development in patient care. Sibling visits, however, pose a risk of viral infection, and hence many NICU in Japan impose strict limits on the practice. The aim of this study was therefore to assess whether sibling visits to the NICU are related to an increase in the nosocomial viral infection rate. METHODS: This retrospective study was conducted between April 2012 and March 2017 at Tokyo Metropolitan Children's Medical Center in Japan. Sibling visits were implemented after screening for symptoms of viral illness. Symptomatic patients in the NICU were tested for common viruses on rapid antigen test and polymerase chain reaction. The number of sibling visits and the rate of nosocomial viral infections were examined on Spearman's correlation test. RESULTS: The total number of sibling visits and rate of nosocomial viral infection in the NICU was 102 and 0.068 per 1,000 patient-days during the study period, respectively. The number of enterovirus, respiratory syncytial virus, human metapneumovirus, influenza virus A, and Herpes simplex virus infections was 3, 2, 1, 1, 1, and 1, respectively. No infections were identified after sibling visits. The number of sibling visits and the rate of nosocomial viral infections were not correlated (correlation coefficient, -0.1; P = 0.873). CONCLUSION: Sibling visits to the NICU did not result in an increase in the nosocomial viral infection rate. PMID- 29205683 TI - Corrigendum. PMID- 29205684 TI - Erratum. PMID- 29205685 TI - A peek into epidemiology, screening, management of breast cancer in developing countries: Experience from two regional cancer centers in India. PMID- 29205686 TI - Ultrasound-guided lower forearm median nerve block in open surgery for trigger thumb in 1- to 3-year-old children: A randomized trial. AB - BACKGROUND AND AIM: Trigger thumb is a common hand disability in children and is primarily treated with open surgery. A conscious median nerve block can usually meet the requirements for trigger thumb-releasing surgery in adults; however, its effectiveness in children requires further clarification. The present study aims to demonstrate whether ultrasound-guided lower forearm median nerve blockade is a viable option for children undergoing open surgery for trigger thumb. METHODS: A prospective randomized study was designed to compare median nerve blocks guided by ultrasonography with those guided by anatomic landmarks. Following induction of general anesthesia, the children received a median nerve block performed either by ultrasound-guided block of the lower forearm (group U) or landmark based blocking at the proximal wrist crease level (group T) with a 0.2% ropivacaine injection. The success rates were compared between groups as the primary endpoint; additional sufentanil and propofol administration, anesthesia recovery time, and other secondary endpoints were also compared. RESULTS: A total of 100 children (age 1-3 years) with ASA status I who were scheduled for open surgery for trigger thumb were included in this study (n = 50 per group). Thirty seven children in group T and 50 children in group U underwent successful blocks. The rate of unsuccessful blockade was significantly lower in group U than group T (0% and 26%, respectively), and rate of additional sufentanil and propofol administration was also lower in group U than in group T. CONCLUSION: Ultrasound guided lower forearm median nerve block can provide more effective analgesia, a higher success rate, and lower general and local anesthetic dosages than the anatomic landmark-based blocking method in children undergoing open surgery for trigger thumb. PMID- 29205687 TI - Ultrasound-guided pudendal nerve block in children: A new technique of ultrasound guided transperineal approach. AB - BACKGROUND: Transperineal pudendal nerve block guided by nerve stimulator is used in pediatric anesthesia as an alternative to caudal analgesia in perineal surgery. The risk of rectal puncture or intravascular injection is inherent to this blinded technique. We described a new technique of transperineal pudendal nerve block, with ultrasound guidance, to improve safety of the technique. AIMS: The first goal of this study was to describe this new technique and to test its feasibility. The second objective was to evaluate intra operative effectiveness and postoperative pain control. METHODS: After parental and children consent, this prospective descriptive study included children aged 1-15 years, ASA status I-III, scheduled for general anesthesia associated with bilateral pudendal nerve block for an elective perineal surgery. After standardized general anesthesia, the anesthesiologist performed pudendal nerve block under ultrasound guidance with "out of plane" approach and evaluated the visualization of anatomical structures (ischial tuberosity, rectum, and pudendal artery), of the needle and of the local anesthetic spread. Pudendal nerve block failure was defined as an increase in mean arterial blood pressure or heart rate more than 20% compared to baseline values after surgical incision. In the postoperative period, the need for rescue analgesia was noted. RESULTS: During the study period, 120 blocks were performed in 60 patients, including 59 boys. Quality of the ultrasonographic image was good in 81% of blocks, with easy visualization of ischium and rectum in more than 95% of cases. Localization of the tip of the needle was possible for all pudendal nerve blocks, directly or indirectly. The spread of local anesthetic was seen in 79% of cases. The block was effective in 88% of cases. CONCLUSION: The new technique of ultrasound-guided pudendal nerve block, described in this study, seems to be easy to perform with a good success rate, and probably improves safety of the puncture and of the injection by real-time visualization of anatomical structures and local anesthetic spread. PMID- 29205688 TI - Integration of radiology and clinical score in pediatric appendicitis. AB - BACKGROUND: The efficacy of ultrasonography (US) and abdominal X-ray in combination with Pediatric Appendicitis Score (PAS) is complicated in the diagnosis of acute appendicitis. Abdominal X-ray is as useful as US with clinical assessment when evaluated by experienced pediatric radiologist in acute appendicitis. The aim of this study was to determine the value of US and abdominal X-ray for appendicitis in children when combined with clinical assessment based on PAS, and to establish a practical pathway for acute appendicitis in childhood. METHODS: A prospective, observational cohort study was conducted at an urban, academic pediatric emergency department. Patients were classified at low (PAS 1-4), intermediate (PAS 5-7), or high (PAS 8-10) risk for appendicitis. Low-risk patients were discharged with telephone follow-up in <=10 days; those at intermediate risk underwent X-ray and US. High-risk patients received immediate surgical consultation. Patients were grouped on histopathology as having either proven acute appendicitis or no appendicitis. RESULTS: A total of 288 children were analyzed. Surgery was performed in 134 patients (46.5%), and 128 (95.5%) had positive histopathology. Mean PAS in the patients with and without appendicitis was 7.09 +/- 1.42 and 4.97 +/- 2.29, respectively (P = 0.00). The rate of missed cases was 6/288 (2%), and the negative appendectomy rate was 6/134 (4.4%). When the score cut-off was set at 6, the sensitivity and specificity of PAS was 86.7% and 63.1%, respectively. The diagnostic performance of daytime US had a sensitivity of 91.1% and specificity of 71.1%. Also, positive US or PAS >6 or both, had sensitivity and specificity 96.7% and 59.9%, respectively. CONCLUSION: US or abdominal X-ray in children with possible appendicitis should be integrated with PAS to determine the next steps in management. In the case of discordance between the clinical findings and radiology, prolonged observation or further imaging are recommended. PMID- 29205689 TI - Ultrasound findings and associated factors to morbidity in Schistosoma haematobium infection in a highly endemic setting. AB - OBJECTIVE: To evaluate the usefulness of the WHO classification of ultrasound pathological changes and to establish risk factors for morbidity in a highly endemic setting. METHODS: One hundred and fifty-seven ultrasounds were performed on school-aged children previously diagnosed with urinary schistosomiasis in Cubal, Angola. The findings were analysed according to the WHO guidelines. Factors for morbidity were studied. RESULTS: Mean age of the children was 8.7 (SD 3.2) years. Pathological changes were found in 85.3% (84.7% in the bladder, 34.4% the ureter and 6.3% kidney lesions). The global score according to the WHO classification was 5.74. Male gender [OR 2.61 (1.04-6.58); P 0.043] and older age [OR 2.96 (1.17-7.46); P 0.023] were associated with a higher risk of developing any kind of urinary abnormality. Proteinuria was present in 61.7% of the children. Macroscopic haematuria [OR 2.48 (1.11-5.58); P = 0.02)] and a high level of proteinuria > 300 mg/dl [OR 5.70 (2.17-14.94); P 300 mg/dl)] were associated with abnormalities of the upper urinary tract and showed good positive and negative predictive values for the detection of pathology in the upper urinary tract (65.5% and 71.1%, respectively). CONCLUSIONS: Severe urinary tract pathology was found in a high percentage of the children in our setting. Microhaematuria and proteinuria were good markers of morbidity, proteinuria being more precise for severe alterations of the upper urinary tract. We suggest initial and evolutive ultrasound in children diagnosed with schistosomiasis, and close monitoring including periodic controls. As schistosomiasis control efforts are currently focused on reducing morbidity, tests that detect the presence or degree of morbidity are essential for targeting treatment and tracking the progress of control campaigns. PMID- 29205690 TI - Refinement of detecting atrial fibrillation in stroke patients: results from the TRACK-AF Study. AB - BACKGROUND AND PURPOSE: Detection of occult atrial fibrillation (AF) is crucial for optimal secondary prevention in stroke patients. The AF detection rate was determined by implantable cardiac monitor (ICM) and compared to the prediction rate of the probability of incident AF by software based analysis of a continuously monitored electrocardiogram at follow-up (stroke risk analysis, SRA); an optimized AF detection algorithm is proposed by combining both tools. METHODS: In a monocentric prospective study 105 out of 389 patients with cryptogenic stroke despite extensive diagnostic workup were investigated with two additional cardiac monitoring tools: (a) 20 months' monitoring by ICM and (b) SRA during hospitalization at the stroke unit. RESULTS: The detection rate of occult AF was 18% by ICM (n = 19) (range 6-575 days) and 62% (n = 65) had an increased risk for AF predicted by SRA. When comparing the predictive accuracy of SRA to ICM, the sensitivity was 95%, specificity 35%, positive predictive value 27% and negative predictive value 96%. In 18 patients with AF detected by ICM, SRA also showed a medium risk for AF. Only one patient with a very low risk predicted by SRA developed AF revealed by ICM after 417 days. CONCLUSIONS: A combination of SRA and ICM is a promising strategy to detect occult AF. SRA is reliable in predicting incident AF with a high negative predictive value. Thus, SRA may serve as a cost-effective pre-selection tool identifying patients at risk for AF who may benefit from further cardiac monitoring by ICM. PMID- 29205691 TI - Intravenous immunoglobulin in drug and device refractory patients with the symptoms of gastroparesis-an open-label study. AB - BACKGROUND: Gastroparesis is a complex clinical entity; many aspects of which remain unknown. Although most patients have idiopathic, diabetic, or postsurgical gastroparesis, many are thought to have measurable neuromuscular abnormalities. Immunotherapy has recently been utilized to treat suspected autoimmune gastrointestinal dysmotility. METHODS: Fourteen patients with symptoms of gastroparesis (Gp) who were refractory to drug/device were selected from 443 Gp patients from 2013 to 2015 who were treated at the University of Louisville motility center. All patients underwent a structural and psychiatric evaluation along with detailed psychological and behavioral examination to rule out eating disorders. We performed detailed neuromuscular evaluation and all 14 patients received at least 12 weeks of intravenous immunoglobulin (400 mg/kg infusion weekly). Response was defined subjectively (symptomatic improvement) using standardized IDIOM score system. KEY RESULTS: All 14 patients had serological evidence and/or tissue evidence of immunological abnormality. Post-IVIG therapy, there was a significant improvement in symptoms scores for nausea, vomiting, early satiety, and abdominal pain. CONCLUSIONS AND INFERENCES: Although limited by the absence of placebo group, the data illustrate the role of autoimmunity and neuromuscular evaluation in patients with gastroparesis and support the utility of a diagnostic trial of immunotherapy in an effort to improve therapeutic outcomes for such patients. PMID- 29205692 TI - Changing brain connectivity dynamics: From early childhood to adulthood. AB - Brain maturation through adolescence has been the topic of recent studies. Previous works have evaluated changes in morphometry and also changes in functional connectivity. However, most resting-state fMRI studies have focused on static connectivity. Here we examine the relationship between age/maturity and the dynamics of brain functional connectivity. Utilizing a resting fMRI dataset comprised 421 subjects ages 3-22 from the PING study, we first performed group ICA to extract independent components and their time courses. Next, dynamic functional network connectivity (dFNC) was calculated via a sliding window followed by clustering of connectivity patterns into 5 states. Finally, we evaluated the relationship between age and the amount of time each participant spent in each state as well as the transitions among different states. Results showed that older participants tend to spend more time in states which reflect overall stronger connectivity patterns throughout the brain. In addition, the relationship between age and state transition is symmetric. This can mean individuals change functional connectivity through time within a specific set of states. On the whole, results indicated that dynamic functional connectivity is an important factor to consider when examining brain development across childhood. PMID- 29205694 TI - Fetal sex discordance in a monochorionic twin pregnancy following intracytoplasmic sperm injection: A case report of chimerism and review of the literature. AB - A 39-year-old woman who became pregnant with twins after an intracytoplasmic sperm injection was referred at the ninth gestational week to determine chorionicity. Ultrasonographic examination showed a monochorionic diamniotic twin pregnancy. First trimester nuchal translucency measurements of the fetuses were 1.6 and 2.7 mm. A non-invasive prenatal test was performed and revealed low risk. One fetus appeared to be female and the other male at the 14th gestational week. Second trimester anatomic scanning results were otherwise normal for both fetuses. The newborns delivered at term appeared to be normal female and male babies phenotypically. At the fourth month, buccal cell analysis showed chimeric karyotypes, 46,XX[98]/46,XY[2] and 46,XY[98]/46,XX[2] in the female and male infant, respectively. The recognition of sex discordance despite monochorionicity may be a clue for the diagnosis of such rare cases of chimerism in dizygotic twins, most of which occur in pregnancies obtained by assisted reproductive technology. PMID- 29205693 TI - Evaluation of factors related to glycaemic control among South Korean patients with type 2 diabetes. AB - AIMS: To examine specific self-care behaviours, depression, and diabetes-related stress among South Korean patients with type 2 diabetes and to evaluate whether these factors are related to glycaemic control. METHODS: This cross-sectional study included 171 patients with type 2 diabetes who visited an endocrinology clinic. A structured questionnaire and electronic medical records were used to collect data regarding self-care behaviours, depression, diabetes-related distress, and glycaemic control between May 2015 and July 2015. RESULTS: Compared with the group with good glycaemic control, the group with poor glycaemic control had significantly lower values for medication adherence and significantly greater values for regimen-related distress. Depression was not significantly associated with glycaemic control. In logistic regression analysis, only medication adherence was independently associated with glycaemic control. CONCLUSIONS: Medication adherence should be continuously emphasized and monitored in clinical practice to effectively manage glycaemic control among patients with type 2 diabetes. Furthermore, consideration of diabetes-related distress may help improve glycaemic control among patients with type 2 diabetes. PMID- 29205696 TI - Teacher-child relationships and classroom-learning behaviours of children with developmental language disorders. AB - BACKGROUND: Children with developmental language disorders (DLDs) often struggle with classroom behaviour. No study has examined whether positive teacher-child relationships may act as a protective factor for children with DLDs in that these serve to enhance children's important classroom-learning behaviours. AIMS: To examine the association between the quality of teacher-child relationships and teacher-rated classroom-learning behaviours of children with DLDs in both preschool and kindergarten. METHODS & PROCEDURES: Longitudinal data were collected on 191 preschoolers (mean = 42.4 months of age, SD = 11.6 months) with DLDs in special education classrooms during preschool and in kindergarten. Teacher-child relationship quality was assessed in preschool, and children's classroom-learning behaviours were measured in preschool and kindergarten. Regression models were used to examine the relationship between teacher-child relationship quality and children's concurrent and future classroom-learning behaviours. OUTCOMES & RESULTS: Positive teacher-child relationship quality in preschool was associated with better classroom-learning behaviours in preschool and kindergarten for children with DLDs. Preschool teacher-child relationship quality characterized by low levels of conflict and high levels of closeness was associated with positive classroom-learning behaviours during preschool. Teacher child conflict but not closeness was predictive of children's classroom-learning behaviours in kindergarten. CONCLUSIONS & IMPLICATIONS: These results suggest that the quality of the teacher-child relationship for children with DLDs during preschool is associated within their learning-related behaviours in the classroom both concurrently and in the subsequent year. Findings suggest that teacher-child relationships should be explored as a mechanism for improving the learning related behaviours of children with DLDs. PMID- 29205695 TI - Diminished gastric prokinetic response to ghrelin in a rat model of spinal cord injury. AB - BACKGROUND: Patients with cervical or high-thoracic spinal cord injury (SCI) often present reduced gastric emptying and early satiety. Ghrelin provokes motility via gastric vagal neurocircuitry and ghrelin receptor agonists offer a therapeutic option for gastroparesis. We have previously shown that experimental high-thoracic injury (T3-SCI) diminishes sensitivity to another gastrointestinal peptide, cholecystokinin. This study tests the hypothesis that T3-SCI impairs the vagally mediated response to ghrelin. METHODS: We investigated ghrelin sensitivity in control and T3-SCI rats at 3-days or 3-weeks after injury utilizing: (i) acute (3-day post-injury) fasting and post-prandial serum levels of ghrelin; (ii) in vivo gastric reflex recording following intravenous or central brainstem ghrelin; and (iii) in vitro whole cell recording of neurons within the dorsal motor nucleus of the vagus (DMV). KEY RESULTS: The 2-day food intake of T3-SCI rats was reduced while fasting serum ghrelin levels were higher than in controls. Intravenous and fourth ventricle ghrelin increased in vivo gastric motility in fasted 3-day control rats but not fasted T3-SCI rats. In vitro recording of DMV neurons from 3-day T3-SCI rats were insensitive to exogenous ghrelin. For each measure, vagal responses returned after 3-weeks. CONCLUSIONS AND INFERENCES: Hypophagia accompanying T3-SCI produces a significant and physiologically appropriate elevation in serum ghrelin levels. However, higher ghrelin levels did not translate into increased gastric motility in the acute stage of T3-SCI. We propose that this may reflect diminished sensitivity of peripheral vagal afferents to ghrelin or a reduction in the responsiveness of medullary gastric vagal neurocircuitry following T3-SCI. PMID- 29205697 TI - Sinter-Resistant Platinum Catalyst Supported by Metal-Organic Framework. AB - Single atoms and few-atom clusters of platinum are uniformly installed on the zirconia nodes of a metal-organic framework (MOF) NU-1000 via targeted vapor phase synthesis. The catalytic Pt clusters, site-isolated by organic linkers, are shown to exhibit high catalytic activity for ethylene hydrogenation while exhibiting resistance to sintering up to 200 degrees C. In situ IR spectroscopy reveals the presence of both single atoms and few-atom clusters that depend upon synthesis conditions. Operando X-ray absorption spectroscopy and X-ray pair distribution analyses reveal unique changes in chemical bonding environment and cluster size stability while on stream. Density functional theory calculations elucidate a favorable reaction pathway for ethylene hydrogenation with the novel catalyst. These results provide evidence that atomic layer deposition (ALD) in MOFs is a versatile approach to the rational synthesis of size-selected clusters, including noble metals, on a high surface area support. PMID- 29205698 TI - Effects of dietary protein level during rearing period and age at overfeeding on magret and foie gras quality in male mule ducks. AB - The aim of this trial was to study the effects of dietary protein content during the rearing period on the performance of mule ducks, according to age at overfeeding (O). Ducks (n = 612) were divided into four groups differing in the protein content in the diet offered during the starting period (S, 0-20 days; Sl vs. Sh : 150 vs. 175 g/kg crude protein (CP)) and growing-finishing period (GF; 21-67 or 81 days, depending on age at O; GFl vs. GFh : 133 vs. 152 g/kg CP). The relative weight of pectoral muscle was lower when ducks were fed a low protein diet during S (-5%, P < 0.01) or GF period (-6%, P < 0.001) at 68 days and higher in ducks of the Sl GFh group (+6%; P < 0.05) at 82 days. Both foie gras and magret weights fell when ducks were fed Sl or GFl (P < 0.05 and < 0.01). Mortality during the O period was higher in ducks fed the Sl diet and overfed at late age (7.4% vs. 0%; P < 0.01). In conclusion, a reduction in the dietary protein supply should be recommended only during the GF period for ducks overfed at a late age. PMID- 29205699 TI - Use of telehealth in the delivery of comprehensive care for patients with haemophilia and other inherited bleeding disorders. AB - Advances in technology such as telemedicine (TM) have made access to cost effective, quality health care feasible for remote patients. TM is especially well suited for patients with chronic disorders such as haemophilia and related haemostatic disorders that benefit not only from more frequent interaction with care providers at a specialized haemophilia treatment center but also from consultations with other specialists. Telehealth refers to a broader application of TM and includes non-clinical services such as education, provider training, administrative meetings etc. Collaboration with the local primary care provider for management and implementation is key for successful and sustainable TM. This review article provides an overview of types of telemedicine, technical aspects, its benefits and challenges and focuses on the applicability of this technology to persons with bleeding and other blood disorders. Examples of TM strategies, process flow of TM clinic and experiences at the authors haemophilia treatment center (HTC) setting are shared. In addition, mobile health (mHealth) and electronic health (eHealth), both a part of telehealth, and their applications are briefly described. Clearly, widespread adoption of this technology will not only enhance care of patients but will enable more people, especially in underserved areas, to receive specialty care. PMID- 29205700 TI - Perineal lipoma with anorectal malformation: Report of two cases and review of the literature. PMID- 29205701 TI - Antibody response to seasonal influenza vaccination in patients with multiple sclerosis receiving immunomodulatory therapy. AB - BACKGROUND AND PURPOSE: We have previously shown that patients with multiple sclerosis receiving immunomodulatory treatment have reduced seroprotection rates after influenza immunization. The aim of this study was to further investigate the influence of immunomodulatory therapies on the antibody response and seroprotection rates in patients immunized with seasonal influenza vaccine in 2012/2013 compared with healthy controls. METHODS: Ninety patients receiving fingolimod, glatiramer acetate, interferon beta-1a/1b, natalizumab or no therapy were compared with 62 healthy controls. All subjects received the inactivated split virus vaccine in 2012 and serum samples were collected pre-vaccination and 3, 6 and 12 months post-vaccination. The vaccine responses were evaluated by the hemagglutination inhibition assay and adjusted for age and gender. RESULTS: No significant differences in rates of protection against H1N1 for interferon beta 1a/1b and glatiramer acetate were observed as compared with controls at 3, 6 and 12 months. Fingolimod provided reduced protection at all time points post vaccination, whereas natalizumab displayed reduced protection at 3 and 6 months. Patients without immunomodulation did not display protection rates that were significantly different from the controls at 3 and 12 months. CONCLUSION: These findings suggest that patients with multiple sclerosis receiving fingolimod or natalizumab should be considered for a second dose of the vaccine in cases of insufficient protection. Our results further indicate that new immunomodulatory treatment regimens should be systematically evaluated for their influence on influenza-specific vaccine responses. PMID- 29205702 TI - Mycobacterium haemophilum osteomyelitis in the immunocompromised host. PMID- 29205703 TI - LncRNA NEAT1 promotes dexamethasone resistance in multiple myeloma by targeting miR-193a/MCL1 pathway. AB - Although dexamethasone (DEX) remains a first-line agent for multiple myeloma (MM) therapy, the development of DEX resistance has become an indicator of poor prognosis in MM patients. It is thus urgent to develop strategies to restore the vulnerability of MM to DEX. This study demonstrated long non-coding RNA (lncRNA) nuclear paraspeckle assembly transcript 1 (NEAT1) was highly expressed in DEX resistant myeloma cell lines, and upregulation of NEAT1 was tightly linked to poor prognosis. The in-depth study revealed that during the development of DEX resistance in these cells, the miR-193a levels were decreased, which resulted in the increased expression of the target gene myeloid cell leukemia-1 (MCL1). We also found knockdown of NEAT1, the DEX-induced sensitivity was enhanced in the resistant cells. Meanwhile, overexpression of NEAT1 increased the DEX-induced resistance in the sensitive cells. In conclusion, the NEAT1/miR-193a/MCL1 pathway is closely associated with the development of DEX resistance in myeloma cells, and knockdown of NEAT1 can significantly improve DEX sensitivity in MM. PMID- 29205705 TI - Retinal pigment epithelium in the pathogenesis of age-related macular degeneration and photobiomodulation as a potential therapy? AB - The retinal pigment epithelium (RPE) comprises a monolayer of cells located between the neuroretina and the choriocapillaries. The RPE serves several important functions in the eye: formation of the blood-retinal barrier, protection of the retina from oxidative stress, nutrient delivery and waste disposal, ionic homeostasis, phagocytosis of photoreceptor outer segments, synthesis and release of growth factors, reisomerization of all-trans-retinal during the visual cycle, and establishment of ocular immune privilege. Age related macular degeneration (AMD) is the leading cause of blindness in developed countries. Dysfunction of the RPE has been associated with the pathogenesis of AMD in relation to increased oxidative stress, mitochondrial destabilization and complement dysregulation. Photobiomodulation or near infrared light therapy which refers to non-invasive irradiation of tissue with light in the far-red to near infrared light spectrum (630-1000 nm), is an intervention that specifically targets key mechanisms of RPE dysfunction that are implicated in AMD pathogenesis. The current evidence for the efficacy of photobiomodulation in AMD is poor but its safety profile and proposed mechanisms of action motivate further research as a novel therapy for AMD. PMID- 29205704 TI - Hypoglycemia in sulfonylurea-treated KCNJ11-neonatal diabetes: Mild-moderate symptomatic episodes occur infrequently but none involving unconsciousness or seizures. AB - BACKGROUND: Neonatal diabetes mellitus (NDM) caused by mutations in KCNJ11 can be successfully treated with high dose oral sulfonylureas; however, little data is available on the risk of hypoglycemia. OBJECTIVE: To determine the frequency, severity, and clinical significance of hypoglycemia in KCNJ11-related NDM. METHODS: Utilizing the University of Chicago Monogenic Diabetes Registry, parents completed an online questionnaire addressing hypoglycemia. Continuous glucose monitoring (CGM) data was available for 7 subjects. RESULTS: Thirty subjects with KCNJ11-related permanent NDM (166 patient-years on sulfonylurea) had median sulfonylurea dose of 0.39 mg/kg/day (0.24-0.88 IQR, interquartile range) with median HbA1c 5.7% (39 mmol/mol) (5.5-6.1 IQR, 37-43 mmol/mol). Hypoglycemia (<70 mg/dL) was reported monthly once or less frequently in 89.3% of individuals, but 3 (10.7%) reported once weekly or more. Of all hypoglycemic episodes reported, none involved seizures or unconsciousness and thus did not meet the current ISPAD definition of severe hypoglycemia. Seven individuals wore a CGM for a total of 912 hours with blood sugars falling below 70 mg/dL for 5.8% of the time recorded, similar to ranges reported for people without diabetes. CONCLUSIONS: In our cohort of KCNJ11-related permanent NDM, hypoglycemia is infrequent and mild despite the high doses of sulfonylurea used and near-normal level of glycemic control. Long-term follow-up on larger numbers will be required to clarify the incidence and determinants of hypoglycemia in this unique population. PMID- 29205706 TI - Effect of fermented total mixed rations on the growth performance, carcass and meat quality characteristics of Hanwoo steers. AB - This study was conducted to assess the effects of fermented total mixed ration (FTMR) on the growth performance, carcass and meat quality traits of Hanwoo steers. The present study evidenced that the FTMR had a strong effect on dry matter intake, body weight, daily gain, slaughter weight and carcass characteristics compared with control animals. The results showed that the dry matter intake (7.17 +/- 0.13 kg), average body weight (615.20 +/- 112.82 kg), and daily gain (0.56 +/- 0.16 kg) were greater in animals receiving FTMR than in control animals (P < 0.05). The meat quality characteristics indicated that cooking loss and the pH values did not vary between control and FTMR treated animals; however, animals in the treated groups (FTMR) had higher meat quality grades, carcass weight (396.13 +/- 18.35), fat thickness (13.25 +/- 1.75), marbling score (5.63 +/- 0.56), meat color (40.06 +/- 1.23), crude fat (18.39 +/- 1.32) and sensory characteristics (flavor 5.03 +/- 0.17; tenderness 4.42 +/- 0.33; juiciness 5.10 +/- 0.16). Nevertheless, the shear force values decreased significantly in FTMR-treated animals compared with control group steers. Overall, FTMR may not only improve the growth performance, biochemical metabolites, and fatty and acetic acid profiles of steers, but may also enhance the carcass and meat quality characteristics of Hanwoo steers. Regarding economics, our research findings suggest that FTMR-based feeds may enhance Hanwoo steer meat quality at a low cost. PMID- 29205707 TI - Massed versus spaced practice in vocology: effect of a short-term intensive voice training versus a longer-term traditional voice training. AB - BACKGROUND: In contrast with most medical and pharmaceutical therapies, the optimal dosage for voice therapy or training is unknown. AIMS: The aim of this study was to compare the effect of a short-term intensive voice training (IVT) with a longer-term traditional voice training (TVT) on the vocal quality and vocal capacities of vocally healthy non-professional voice users. METHODS & PROCEDURES: A pre-/post-test randomized control group design with follow-up measurements was used. Twenty healthy female non-professional voice users with a mean age of 21.7 years (range = 20-24 years) were randomly assigned into a short term IVT group (n = 10) or a longer-term TVT group (n = 10). Both groups received an identical 6-h lasting voice training. Only the distribution of practice varied between the groups: 2 h a day for 3 consecutive days for the IVT group versus two 30-min sessions a week for 6 weeks for the TVT group. In both groups, a voice assessment protocol consisting of subjective (questionnaire, participant's self report, auditory-perceptual evaluation) and objective (maximum performance task, acoustic analysis, voice range profile, dysphonia severity index) measurements and determinations was used to evaluate the participants' voice pre- and post training and at 6 weeks follow-up. Groups were compared over time using linear mixed models and generalized linear mixed models. Within-group effects of time were determined using post-hoc pairwise comparisons with Bonferroni corrections. OUTCOMES & RESULTS: No significant time-by-group interactions were found for any of the outcome measures, indicating no significant differences in evolution over time between the groups. Significant time effects were found for maximum phonation time, lowest intensity, lowest frequency, highest frequency and dysphonia severity index, all improving over time in both groups. More in-depth within-group analyses indicate a preference for the IVT group regarding the evolution of maximum phonation time, lowest frequency and dysphonia severity index, and a preference for the TVT group regarding the evolution of lowest intensity. CONCLUSIONS & IMPLICATIONS: Short-term IVT may be equally, or even more, effective in training vocally healthy non-professional voice users compared with longer-term TVT. PMID- 29205708 TI - Temperature-Responsive Luminescent Solar Concentrators: Tuning Energy Transfer in a Liquid Crystalline Matrix. AB - Temperature-responsive luminescent solar concentrators (LSCs) have been fabricated in which the Forster resonance energy transfer (FRET) between a donor acceptor pair in a liquid crystalline solvent can be tuned. At room temperatures, the perylene bisimide (PBI) acceptor is aggregated and FRET is inactive; while after heating to a temperature above the isotropic phase of the liquid crystal solvent, the acceptor PBI completely dissolves and FRET is activated. This unusual temperature control over FRET was used to design a color-tunable LSC. The device has been shown to be highly stable towards consecutive heating and cooling cycles, making it an appealing device for harvesting otherwise unused solar energy. PMID- 29205711 TI - Primary orbital apocrine hidrocystoma with sebaceous elements. PMID- 29205712 TI - Quantitative Screening of Cell-Surface Gangliosides by Nondestructive Extraction and Hydrophobic Collection. AB - A screening strategy involving designed extractors and collectors was used for the nondestructive quantitation of gangliosides on cell surfaces. The extractors were constructed by functionalizing maleimide silica bubbles with a DNA probe, which contains an endonuclease cleavage site and a boronic acid end to extract cell-surface sialic acid-containing compounds through simple centrifugation. After the extractors containing the extracted compounds were incubated with endonuclease, the released oligonucleotide-gangliosides were selectively collected by silanized collector bubbles through hydrophobic interactions. The in vitro fluorescent signals from the collectors were used for the quantitation of cell-surface gangliosides. By combining with sialidase cleavage, a protocol for the identification of ganglioside subtypes was developed. The successful monitoring of the regeneration of cell-surface gangliosides demonstrates the potential of this strategy in probing related biological processes. PMID- 29205713 TI - Ultralong Phosphorescence from Organic Ionic Crystals under Ambient Conditions. AB - A new type of materials, organic salts in the crystal state, have ultralong organic phosphorescence (UOP) under ambient conditions. The change of cations (NH4+ , Na+ , or K+ ) in these phosphors gives access to tunable UOP colors ranging from sky blue to yellow green, along with ultralong emission lifetimes of over 504 ms. Single-crystal analysis reveals that unique ionic bonding can promote an ordered arrangement of organic salts in crystal state, which then can facilitate molecular aggregation for UOP generation. Additionally, reversible ultralong phosphorescence can be realized through the alternative employment of fuming gases (ammonia and hydrogen chloride), demonstrating its potential as a candidate for visual ammonic or hydrogen chloride gas sensing. The results provide an environmental responsible and practicable synthetic approach to expanding the scope of ultralong organic phosphorescent materials as well as their applications. PMID- 29205714 TI - Genetic variants in NTCP exon gene are associated with HBV infection status in a Chinese Han population. AB - AIM: Sodium taurocholate co-transporting polypeptide (NTCP) plays an important role in the enterohepatic circulation of bile acids. Recently, NTCP was identified as a hepatitis B virus (HBV) receptor. The aim of this study is to investigate the association of NTCP polymorphisms with HBV clinical outcomes and investigate the relationship between NTCP polymorphisms and the serum bile acid level in a Chinese Han population. METHODS: The single nucleotide polymorphisms rs2296651 and rs4646285 were genotyped in 1619 Chinese Han individuals. Improved multiple ligase detection reaction was utilized to genotype. The level of bile acids was measured by the enzymatic cycling method. Quantitative polymerase chain reaction analysis was carried out to analyze the potential function. RESULTS: In logistic regression analysis, the frequency of rs2296651 (S267F) CT genotype was higher in HBV immune recovery and healthy control groups than in the chronic HBV infection group (P = 0.001 and P < 0.001, respectively). Patients who carried allele T showed a higher bile acid level than patients who did not carry allele T (P = 0.009). The rs4646285 AA genotype was more common in the immune recovery group than in the chronic HBV infection group (P = 0.011). No difference in serum bile acid was detected between the rs4646285 wild-type patients and mutant-type patients. Quantitative reverse transcription-polymerase chain reaction showed the NTCP mRNA levels were lower in rs4646285 variants than wild types. CONCLUSION: NTCP gene polymorphisms may be associated with the natural course of HBV infection in a Chinese Han population. The S267F variant may be a protective factor to resist chronic hepatitis B progression which showed a higher bile acid level in Chinese Han chronic HBV infection patients. The rs4646285 variants could influence the expression of NTCP at the level of transcription, and ultimately may be associated with HBV infection immune recovery. PMID- 29205715 TI - Photoinduced Intermolecular Electron Transfer Mediated by the Colloidal Tyrosyl Bolaamphiphile Assembly. AB - The self-assembly of tyrosyl bolaamphiphiles is exploited to create a colloidal protein-like host matrix, upon which sacrificial electron-donor molecules associate to create a photosystem II (PSII) mimetic electron-relay system. This system harnesses the tyrosine phenol groups abundant on the surface of the assemblies to mediate photoinduced intermolecular electron transfer. Compared with the l-tyrosine molecules, the tyrosyl bolaamphiphile assembly facilitates electron transfer from the sacrificial electron donor to the oxidized photosensitizer. The enhanced electron relay is likely to be driven by the host function of the assembly associated with the sacrificial electron donor and by the suppression of the oxidative cross-linking of phenoxyl radicals. The tyrosyl bolaamphiphile assembly is advantageous in the construction of a PSII mimetic system with a protein-like nature and displaying biochemical functions. PMID- 29205716 TI - Effects of Pressure and pH on the Hydrolysis of Cytosine: Implications for Nucleotide Stability around Deep-Sea Black Smokers. AB - The relatively low chemical stability of cytosine compared with other nucleobases is a key concern in origin-of-life scenarios, but the effect of pressure on the rate of hydrolysis of cytosine to uracil remains unknown. Through in situ NMR spectroscopy measurements, it has been determined that the half-life of cytosine at 373.15 K decreases from (18.0+/-0.7) days at ambient pressure (0.1 MPa) to (8.64+/-0.18) days at high pressure (200 MPa). This yields an activation volume for hydrolysis of (-11.8+/-0.5) cm3 mol-1 ; a decrease that is similar to the molar volume of water (18.0 cm3 mol-1 ) and consistent with a tetrahedral 3,3 hydroxyamine transition-state/intermediate species. Similar behaviour was also observed for cytidine. At both ambient and high pressures, the half-life of cytosine decreases significantly as the pH decreases from 7.0 to 6.0. These results provide scant support for the notion that RNA-based life forms originated in high-temperature, high-pressure, acidic environments. PMID- 29205717 TI - Manganese(I)-Catalyzed C-H (2-Indolyl)methylation: Expedient Access to Diheteroarylmethanes. AB - An unprecedented MnI -catalyzed (2-indolyl)methylation of heteroarenes is reported. This method makes use of an aromatizing cascade strategy to install a (2-indolyl)methyl group into target molecules, thereby leading to the expedient synthesis of previously challenging and important unsymmetrical diheteroarylmethanes, in particular bis(2-indolyl)methanes. The proposed cascade process comprises the reorganization of multiple bonds with controlled regioselectivity and high atom economy and can be performed on a gram-scale. Furthermore, a metal-free C-H propargylation is observed. The diverse application of this method is also demonstrated. PMID- 29205719 TI - A cure for bruxism. PMID- 29205718 TI - Enantioselective Photochemical Organocascade Catalysis. AB - Reported herein is a photochemical cascade process that combines the excited state and ground-state reactivity of chiral organocatalytic intermediates. This strategy directly converts racemic cyclopropanols and alpha,beta-unsaturated aldehydes into stereochemically dense cyclopentanols with exquisite stereoselectivity. Mechanistic investigations have enabled elucidating the origin of the stereoconvergence, which is governed by a kinetic resolution process. PMID- 29205720 TI - Borderline hits the diagnostic buffers again. PMID- 29205721 TI - Prophylactic mood stabilization: What is the evidence for lithium exposure in drinking water? PMID- 29205722 TI - Bipolar II disorder. PMID- 29205723 TI - Differential diagnosis of bipolar disorder and borderline personality disorder. PMID- 29205724 TI - Growth modeling of the green microalga Scenedesmus obliquus in a hybrid photobioreactor as a practical tool to understand both physical and biochemical phenomena in play during algae cultivation. AB - In recent years, numerous studies have justified the use of microalgae as a sustainable alternative for the generation of different types of fuels, food supplementation, and cosmetics, as well as bioremediation processes. To improve the cost/benefit ratio of microalgae mass production, many culture systems have been built and upgraded. Mathematical modeling the growth of different species in different systems has become an efficient and practical tool to understand both physical and biochemical phenomena in play during algae cultivation. In addition, growth modeling can guide design changes that lead to process optimization. In the present work, growth of the green microalga Scenedesmus obliquus was modeled in a hybrid photobioreactor that combines the characteristics of tubular photobioreactors (TPB) with thin-layer cascades (TLC). The system showed productivity greater than 8.0 g m-2 day-1 (dry mass) for CO2 -fed cultures, and the model proved to be an accurate representation of experimental data with R2 greater than 0.7 for all cases under variable conditions of temperature and irradiance to determine subsystem efficiency. Growth modeling also allowed growth prediction relative to the operating conditions of TLC, making it useful for estimating the system given other irradiance and temperature conditions, as well as other microalgae species. PMID- 29205725 TI - Pleckstrin homology domain of p210 BCR-ABL interacts with cardiolipin to regulate its mitochondrial translocation and subsequent mitophagy. AB - Chronic myeloid leukemia (CML) is caused by the chimeric protein p210 BCR-ABL encoded by a gene on the Philadelphia chromosome. Although the kinase domain of p210 BCR-ABL is an active driver of CML, the pathological role of its pleckstrin homology (PH) domain remains unclear. Here, we carried out phospholipid vesicle binding assays to show that cardiolipin (CL), a characteristic mitochondrial phospholipid, is a unique ligand of the PH domain. Arg726, a basic amino acid in the ligand-binding region, was crucial for ligand recognition. A subset of wild type p210 BCR-ABL that was transiently expressed in HEK293 cells was dramatically translocated from the cytosol to mitochondria in response to carbonyl cyanide m chlorophenylhydrazone (CCCP) treatment, which induces mitochondrial depolarization and subsequent externalization of CL to the organelle's outer membrane, whereas an R726A mutant of the protein was not translocated. Furthermore, only wild-type p210 BCR-ABL, but not the R726A mutant, suppressed CCCP-induced mitophagy and subsequently enhanced reactive oxygen species production. Thus, p210 BCR-ABL can change its intracellular localization via interactions between the PH domain and CL to cope with mitochondrial damage. This suggests that p210 BCR-ABL could have beneficial effects for cancer proliferation, providing new insight into the PH domain's contribution to CML pathogenesis. PMID- 29205726 TI - Total Synthesis of Maoecrystal P: Application of a Strained Bicyclic Synthon. AB - A new strategy was devised for the total synthesis of highly oxidized ent kauranoids. A highly regio- and diastereoselective intermolecular Diels-Alder cycloaddition involving a diene embedded in a substituted bicyclo[4.1.0] skeleton was used to assemble all carbon centers but C17 of the target molecule at an early stage of the synthesis. Subsequent synthetic steps, including redox manipulations, SmI2 -mediated cyclization, and isomerization reactions, afforded the antitumor natural product maoecrystal P. PMID- 29205729 TI - Tropical Medicine & International Health. PMID- 29205727 TI - Covalent Organic Frameworks and Cage Compounds: Design and Applications of Polymeric and Discrete Organic Scaffolds. AB - Porous organic materials are an emerging class of functional nanostructures with unprecedented properties. Dynamic covalent assembly of small organic building blocks under thermodynamic control is utilized for the intriguingly simple formation of complex molecular architectures in one-pot procedures. In this Review, we aim to analyze the basic design principles that govern the formation of either covalent organic frameworks as crystalline porous polymers or covalent organic cage compounds as shape-persistent molecular objects. Common synthetic procedures and characterization techniques will be discussed as well as more advanced strategies such as postsynthetic modification or self-sorting. When appropriate, comparisons are drawn between polymeric frameworks and discrete organic cages in terms of their underlying properties. Furthermore, we highlight the potential of these materials for applications ranging from gas storage to catalysis and organic electronics. PMID- 29205730 TI - Triangles and Squares for a Unique Molecular Crystal Structure: Unsupported Two Coordinate Lithium Cations and CC Agostic Interactions in Cyclopropyllithium Derivatives. AB - Understanding and controlling the aggregation state is germane to alkyllithium chemistry. Lewis base-free alkyllithium compounds normally form tetrahedral tetramers or octahedral hexamers in the solid state with the lithium cations being three-coordinate. We report that the unsupported cyclopropyl derivative 1 (trimethylsilyl)cyclopropyllithium [{MU-c-C(SiMe3 )C2 H4 }Li]4 (1), synthesized by the reduction of 1-(phenylthio)-1-(trimethylsilyl)cyclopropane, crystallizes as a tetramer in the space group I-4 with the two-coordinate lithium atoms forming a square. CC agostic interactions complete the coordination sphere around each lithium. The aggregate is preserved in hydrocarbon solution. Furthermore, CC agostic interactions compete intra- and intermolecularly with Lewis base donation as in the unsaturated dimer of 1-(phenylthio)cyclopropyllithium [Li(thf)2 {MU-c C(SPh)C2 H4 }2 Li (thf)] (3) which is also fully characterized. PMID- 29205731 TI - Paracaecal hernia: uncommon but important cause of small bowel obstruction successfully managed with laparoscopic surgery. PMID- 29205732 TI - Azophenine as Central Core for Efficient Light Harvesting Devices. AB - The notoriously non-luminescent uncycled azophenine (Q) was harnessed with Bodipy and zinc(II)porphyrin antennas to probe its fluorescence properties, its ability to act as a singlet excited state energy acceptor and to mediate the transfer. Two near-IR emissions are depicted from time-resolved fluorescence spectroscopy, which are most likely due to the presence of tautomers of very similar calculated total energies (350 cm-1 ; DFT; B3LYP). The rates for energy transfer, kET (S1 ), for 1 Bodipy*->Q are in the order of 1010 -1011 s-1 and are surprisingly fast when considering the low absorptivity properties of the lowest energy charge transfer excited state of azophenine. The rational is provided by the calculated frontier molecular orbitals (MOs) which show atomic contributions in the C6 H4 C=CC6 H4 arms, thus favoring the double electron exchange mechanism. In the mixed antenna Bodipy-porphyrin star molecule, the rate for 1 Bodipy*->porphyrin has also been evaluated (~16*1010 s-1 ) and is among the fastest rates reported for Bodipy-zinc(II)porphyrin pairs. This astonishing result is again explained from the atomic contributions of the C6 H4 C=CC6 H4 and C=CC6 H4 arms thus favouring the Dexter process. Here, for the first time, this process is found to be sensitively temperature-dependent. The azophenine turns out to be excellent for electronic communication. PMID- 29205733 TI - Borazine-CF3- Adducts for Rapid, Room Temperature, and Broad Scope Trifluoromethylation. AB - A fluoroform-derived borazine CF3- transfer reagent is used to effect rapid nucleophilic reactions in the absence of additives, within minutes at 25 degrees C. Inorganic electrophiles spanning seven groups of the periodic table can be trifluoromethylated in high yield, including transition metals used for catalytic trifluoromethylation. Organic electrophiles included (hetero)arenes, enabling C-H and C-X trifluoromethylation reactions. Mechanistic analysis supports a dissociative mechanism for CF3- transfer, and cation modification afforded a reagent with enhanced stability. PMID- 29205734 TI - Clinical correlates of hypoglycaemia over 4 years in people with type 2 diabetes starting insulin: An analysis from the CREDIT study. AB - AIM: To identify factors associated with documented symptomatic and severe hypoglycaemia over 4 years in people with type 2 diabetes starting insulin therapy. MATERIALS AND METHODS: CREDIT, a prospective international observational study, collected data over 4 years on people starting any insulin in 314 centres; 2729 and 2271 people had hypoglycaemia data during the last 6 months of years 1 and 4, respectively. Multivariable logistic regression was used to select the characteristics associated with documented symptomatic hypoglycaemia, and the model was tested against severe hypoglycaemia. RESULTS: The proportions of participants reporting >=1 non-severe event were 18.5% and 16.6% in years 1 and 4; the corresponding proportions of those achieving a glycated haemoglobin (HbA1c) concentration <7.0% (<53 mmol/mol) were 24.6% and 18.3%, and 16.5% and 16.2% of those who did not. For severe hypoglycaemia, the proportions were 3.0% and 4.6% of people reaching target vs 1.5% and 1.1% of those not reaching target. Multivariable analysis showed that, for documented symptomatic hypoglycaemia at both years 1 and 4, baseline lower body mass index and more physical activity were predictors, and lower HbA1c was an explanatory variable in the respective year. Models for documented symptomatic hypoglycaemia predicted severe hypoglycaemia. Insulin regimen was a univariate explanatory variable, and was not retained in the multivariable analysis. CONCLUSIONS: Hypoglycaemia occurred at significant rates, but was stable over 4 years despite increased insulin doses. The association with insulin regimen and with oral agent use declined over that time. Associated predictors and explanatory variables for documented symptomatic hypoglycaemia conformed to clinical impressions and could be extended to severe hypoglycaemia. Better achieved HbA1c was associated with a higher risk of hypoglycaemia. PMID- 29205736 TI - Functional screening devices for diabetic retinopathy. PMID- 29205735 TI - Stereoselective Total Synthesis of Hetisine-type C20 -Diterpenoid Alkaloids: Spirasine IV and XI. AB - The first total synthesis of the architecturally complex hetisine-type heptacyclic C20 -diterpenoid alkaloids (+/-)-spirasine IV and XI is reported. The A/F/G/C tetracyclic skeleton with the challenging N-C6 and C14-C20 linkages was efficiently constructed by an intramolecular azomethine-ylide-based 1,3-dipolar cycloaddition with unusual regioselectivity. SmI2 -mediated free-radical addition to the arene moiety without prior dearomatization and a stereoselective intramolecular aldol reaction further enabled rapid access to the hetisine core, providing a bicyclo[2.2.2]octane ring with a new oxygen substitution pattern. PMID- 29205737 TI - Combined treatment approach to chronic anal fissure with associated anal fistula. AB - BACKGROUND: Anal fistula in association with chronic anal fissure (fissure fistula) is infrequently described. Recognizing this association and managing both components may help prevent some treatment failures seen with chronic anal fissure. This study aims to report on the outcomes of 20 consecutive patients with fissure-fistula managed with fistulotomy and injection of botulinum A toxin. METHODS: The study is a retrospective, observational study, assessing the success of symptom resolution following fistulotomy with botulinum A toxin, in patients identified as having a chronic anal fissure with associated anal fistula. The study included all patients with this condition treated with combination treatment by a single surgeon at a tertiary care hospital between January 2013 and January 2016. RESULTS: Twenty patients with fissure-fistula treated with fistulotomy and botulinum toxin A were identified. The median cohort age was 44 years (range 25-78), with a predominance of males (80%) and posterior fissure position (80%). The most common presenting symptoms were anal pain (70%), rectal bleeding (55%), anal discharge (35%) and anal pruritus (35%). Mean follow-up was 10.5 weeks and all patients who attended follow-up appointments reported resolution of symptoms. There were no cases of incontinence and none of the cohort required further surgical intervention for the condition. CONCLUSION: Chronic anal fissure with associated anal fistula can be successfully managed with fistulotomy and injection of botulinum toxin A. Further studies would be helpful in determining if recognition and management of the fistula component in isolation with fistulotomy is as effective as fistulotomy plus botulinum A toxin. PMID- 29205738 TI - Improving HSAPO-34 Methanol-to-Olefin Turnover Capacity by Seeding the Hydrocarbon Pool. AB - Seeding the hydrocarbon pool before exposure to methanol ensures the presence of active olefinic and aromatic chain carriers in the HSAPO-34 cavity before the first methanol-to-olefin turnover. The primordial hydrocarbon pool enables the introduction, at low turnover numbers, of chain propagation steps that compete with methanol transfer dehydrogenation-mediated chain termination steps, thereby increasing the fraction of converted methanol used for productive turnovers during methanol-to-olefin catalysis over HSAPO-34. Seeding the hydrocarbon pool results, concurrently, in higher light-olefin yields and lower rates of carbon loss. The increasing relative preponderance of methanol transfer dehydrogenation steps with increasing methanol pressure renders seeding more effective at higher methanol pressures. Under the conditions used in this study, seeding appears to accelerate the buildup of the hydrocarbon pool without significantly altering its composition. The results reported here outline a strategy for mitigating the deleterious effects of methanol transfer dehydrogenation reactions while reemphasizing their primacy in effecting catalyst deactivation during methanol-to olefins conversion. PMID- 29205739 TI - The use of psychiatry-focused simulation in undergraduate nursing education: A systematic search and review. AB - Evidence on the use of simulation to teach psychiatry and mental health (including addiction) content is emerging, yet no summary of the implementation processes or associated outcomes exists. The aim of this study was to systematically search and review empirical literature on the use of psychiatry focused simulation in undergraduate nursing education. Objectives were to (i) assess the methodological quality of existing evidence on the use of simulation to teach mental health content to undergraduate nursing students, (ii) describe the operationalization of the simulations, and (iii) summarize the associated quantitative and qualitative outcomes. We conducted online database (MEDLINE, Embase, ERIC, CINAHL, PsycINFO from January 2004 to October 2015) and grey literature searches. Thirty-two simulation studies were identified describing and evaluating six types of simulations (standardized patients, audio simulations, high-fidelity simulators, virtual world, multimodal, and tabletop). Overall, 2724 participants were included in the studies. Studies reflected a limited number of intervention designs, and outcomes were evaluated with qualitative and quantitative methods incorporating a variety of tools. Results indicated that simulation was effective in reducing student anxiety and improving their knowledge, empathy, communication, and confidence. The summarized qualitative findings all supported the benefit of simulation; however, more research is needed to assess the comparative effectiveness of the types of simulations. Recommendations from the findings include the development of guidelines for educators to deliver each simulation component (briefing, active simulation, debriefing). Finally, consensus around appropriate training of facilitators is needed, as is consistent and agreed upon simulation terminology. PMID- 29205740 TI - Chemoselectivity Control in the Asymmetric Hydrogenation of gamma- and delta-Keto Esters into Hydroxy Esters or Diols. AB - The asymmetric hydrogenation of aromatic gamma- and delta-keto esters into optically active hydroxy esters or diols under the catalysis of a novel DIPSkewphos/3-AMIQ-RuII complex was studied. Under the optimized conditions (8 atm H2 , Ru complex/t-C4 H9 OK=1:3.5, 25 degrees C) the gamma- and delta hydroxy esters (including gamma-lactones) were obtained quantitatively with 97-99 % ee. When the reaction was conducted under somewhat harsh conditions (20 atm H2 , [t-C4 H9 OK]=50 mm, 40 degrees C), the 1,4- and 1,5-diols were obtained predominantly with 95-99 % ee. The reactivity of the ester group was notably dependent on the length of the carbon spacer between the two carbonyl moieties of the substrate. The reaction of beta- and epsilon-keto esters selectively afforded the hydroxy esters regardless of the reaction conditions. This catalyst system was applied to the enantioselective and regioselective (for one of the two ester groups) hydrogenation of a gamma-epsilon-diketo diester into a trihydroxy ester. PMID- 29205741 TI - Standoff Mid-Infrared Emissive Imaging Spectroscopy for Identification and Mapping of Materials in Polychrome Objects. AB - Microscale mid-infrared (mid-IR) imaging spectroscopy is used for the mapping of chemical functional groups. The extension to macroscale imaging requires that either the mid-IR radiation reflected off or that emitted by the object be greater than the radiation from the thermal background. Reflectance spectra can be obtained using an active IR source to increase the amount of radiation reflected off the object, but rapid heating of greater than 4 degrees C can occur, which is a problem for paintings. Rather than using an active source, by placing a highly reflective tube between the painting and camera and introducing a low temperature source, thermal radiation from the room can be reduced, allowing the IR radiation emitted by the painting to dominate. Thus, emissivity spectra of the object can be recovered. Using this technique, mid-IR emissivity image cubes of paintings were collected at high collection rates with a low noise, line-scanning imaging spectrometer, which allowed pigments and paint binders to be identified and mapped. PMID- 29205742 TI - Trends in outpatient anti-arrhythmic prescriptions for atrial fibrillation and left atrial ablation in Australia: 1997-2016. AB - BACKGROUND: An important aspect of atrial fibrillation (AF) management is the decision whether to adopt a rate or rhythm control strategy. Options for the latter include oral anti-arrhythmic drugs (AAD) or catheter ablation. AIM: To describe the trends in rhythm control for AF in Australia between 1997 and 2016. METHODS: We conducted a retrospective study using prospectively collected data between 1997 and 2016 from the Pharmaceutical Benefit Scheme and Medicare Benefit Schedule websites, which, respectively, contain information pertaining to public AAD prescriptions and rebatable AF ablation procedures performed in Australia. RESULTS: Sotalol and amiodarone remain the most commonly prescribed AAD in Australia, although their use is decreasing. Rates of catheter ablation for AF continue to rise annually with a 48-fold increase from 71 to 3480 since 1997. CONCLUSION: A rhythm control strategy is frequently utilised for AF management in Australia. Consistent with international guidelines which advocate safety over efficacy when choosing a rhythm control strategy, the prescriptions of amiodarone have been consistently decreasing since 2002, whereas sotalol and flecainide prescriptions have largely increased, with a peak in 2015. Catheter ablation per capita has burgeoned 36-fold. PMID- 29205743 TI - Rotational atherectomy and new-generation drug-eluting stent implantation. AB - OBJECTIVES: The aim of this study was to evaluate the clinical outcomes of rotational atherectomy (RA) followed by new-generation drug-eluting stent (DES) implantation in patients with an extensive amount of calcified and fibrotic plaque. BACKGROUND: RA followed by new-generation DES implantation for complex lesions has not been thoroughly evaluated. METHODS: A total of 744 consecutive patients (770 lesions) treated with new-generation DES implantation following RA for de novo lesions between January 2013 and November 2015 were retrospectively identified using our institutional database. Clinical outcomes at 12 months were evaluated and the independent predictors of all-cause death and target vessel failure (TVF) were assessed using Cox regression models. RESULTS: Target lesion revascularization occurred in 22 lesions (2.9%) and TVF occurred in 51 lesions (6.6%). In a multivariate analysis, hemodialysis, non-ST-segment elevation acute coronary syndrome, low ejection fraction, and HbA1c ? 7% were associated with 12 month mortality. Hemodialysis and right coronary artery were identified as independent predictors of TVF (hazard ratio (HR) 4.107, 95% confidence interval (CI) 2.194-7.685, P < .001; HR 2.491, 95% CI 1.023-6.062, P = .044, respectively). CONCLUSIONS: A good debulking with RA followed by new-generation DES implantation is recommended for patients with an excessive amount of calcified and fibrotic plaque, as this will likely improve the clinical outcomes. PMID- 29205744 TI - Rabbits with naturally occurring cataracts referred for phacoemulsification and intraocular lens implantation: a preliminary study of 12 cases. AB - OBJECTIVE: To describe the presentation of 15 rabbits with naturally occurring cataracts referred for phacoemulsification surgery, the procedure in 13 cases and the follow-up in 12. ANIMALS INCLUDED: Fifteen rabbits (30 eyes), nine of which stopped following visual cues in association with cataract progression. MATERIALS AND METHODS: Rabbits underwent preoperative ophthalmic and ocular ultrasound examination. RESULTS: Thirteen rabbits (22 eyes) had mature cataracts. Ten were bilateral and three unilateral. Two rabbits had an anterior chamber abscess. The cataract in one of these was incipient. One rabbit had bilateral immature cataracts. One rabbit had a subluxated lens, and one had a retinal detachment. Thirteen rabbits (22 eyes) underwent phacoemulsification. Eighteen, 13.5-mm capsular tension rings (CTRs) and seventeen, 13-mm IOLs (Acrivet(r) , Berlin, Germany) were fitted including one 41D 60V-model, and three 49D and thirteen 58D 20S-models. Intraoperative complications included one unilateral posterior capsular tear, one lens subluxation, and one expulsive choroidal hemorrhage. One rabbit died during anesthetic recovery. Nine cases were PCR-tested for Encephalitozoon cuniculi, and only three were positive. The median follow-up time was 12 months (4-24 months). Rabbits that were not following visual cues preoperatively did so postoperatively, and surgery resulted in a clear visual axis for the follow-up period in every case except in two, due to reasons other than the surgery. CONCLUSIONS: Phacoemulsification with CTR and IOL implantation offers good long-term results and can improve the quality of life of pet rabbits. Retinal detachment, lens luxation, expulsive choroidal hemorrhage, and anesthetic death are potential complications. PMID- 29205745 TI - Increasing Catalyst Efficiency in C-H Activation Catalysis. AB - C-H activation reactions with high catalyst turnover numbers are still very rare in the literature and 10 mol % is a common catalyst loading in this field. We offer a representative overview of efficient C-H activation catalysis to highlight this neglected aspect of catalysis development and inspire future effort towards more efficient C-H activation. Examples ranging from palladium catalysis, Cp*RhIII - and Cp*CoIII -catalysis, the C-H borylation and silylation to methane C-H activation are presented. In these reactions, up to tens of thousands of catalyst turnovers have been observed. PMID- 29205746 TI - Well-Defined Chiral Gold(III) Complexes: New Opportunities in Asymmetric Catalysis. AB - Square way to heaven: As a result of their square-planar geometry, the reactive site of gold(III) complexes is much closer to the ancillary ligands. This offers new perspectives in asymmetric catalysis, as recently evidenced by the groups of Wong and Toste with well-defined chiral complexes. PMID- 29205747 TI - Dichotomy of Manganese Catalysis via Organometallic or Radical Mechanism: Stereodivergent Hydrosilylation of Alkynes. AB - Herein, we disclose the first manganese-catalyzed hydrosilylation of alkynes featuring diverse selectivities. The highly selective formation of E-products was achieved by using mononuclear MnBr(CO)5 with the arsenic ligand, AsPh3 . Whereas using the dinuclear catalyst Mn2 (CO)10 and LPO (dilauroyl peroxide) enabled the reversed generation of Z-products in good to excellent stereo- and regioselectivity. Such a way of controlling the reaction stereoselectivity is unprecedented. Mechanistic experiments revealed the dichotomy of manganese catalysis via organometallic and radical pathways operating in the E- and Z selective routes, respectively. PMID- 29205748 TI - Cosmetic tourism for breast augmentation: a systematic review. AB - BACKGROUND: The medical tourism industry, and in particular cosmetic tourism for breast augmentation, is becoming an increasingly popular global phenomenon. The objective of this study is to determine the extent of medical literature and the patient risk profiles associated with cosmetic tourism for breast augmentation both locally and abroad. DATA SOURCES: OVID MEDLINE, OVID Embase, Cochrane Central and Proquest electronic databases. METHODS: The search was conducted through to April 2017. Studies pertaining entirely or partly to cosmetic tourism for breast augmentation were considered for inclusion. Exclusion criteria included non-English articles, studies relating to non-cosmetic or non-implant breast augmentation, and studies that did not separately report on findings associated with breast augmentation abroad. RESULTS: We identified 17 observational studies. Common destinations included Europe, South America and South East Asia. Infectious complications were common. Wound dehiscence and aesthetic dissatisfaction also featured. Catastrophic outcomes such as sepsis, intubation and ventilation, radical bilateral mastectomy, irreversible hypoxic brain injury and death were also reported. There were expectations that home country health systems would treat complications and provide non-medically indicated revision procedures. The burden on home country health systems was evident from a public health perspective. CONCLUSION: Determining the extent of cosmetic tourism for breast augmentation, including outcomes and complications, will help to inform Australian patients who this seek procedure abroad. Furthermore, it will aid in better understanding the health system implications and may help to guide future research and public health interventions both locally and internationally. PMID- 29205749 TI - Unprecedented Ionization Processes in Mass Spectrometry Provide Missing Link between ESI and MALDI. AB - In the field of mass spectrometry, producing intact, highly-charged protein ions from surfaces is a conundrum with significant potential payoff in application areas ranging from biomedical to clinical research. Here, we report on the ability to form intact, highly-charged protein ions on high vacuum time-of-flight mass spectrometers in the linear and reflectron modes achievable using experimental conditions that allow effective matrix removal from both the sample surfaces and from the charged clusters formed by the laser ablation event. The charge states are the highest reported on high vacuum mass spectrometers, yet they remain at only around a third of the highest charge obtained using laser ablation with a suitable matrix at atmospheric pressure. Other than physical instrument modifications, the key to forming abundant and stable highly-charged ions appears to be the volatility of the matrix used. Cumulative results suggest mechanistic links between the ionization process reported here and traditional ionization methods of electrospray ionization and matrix-assisted laser desorption/ionization. PMID- 29205750 TI - Spatially distinct, temporally stable microbial populations mediate biogeochemical cycling at and below the seafloor in hydrothermal vent fluids. AB - At deep-sea hydrothermal vents, microbial communities thrive across geochemical gradients above, at, and below the seafloor. In this study, we determined the gene content and transcription patterns of microbial communities and specific populations to understand the taxonomy and metabolism both spatially and temporally across geochemically different diffuse fluid hydrothermal vents. Vent fluids were examined via metagenomic, metatranscriptomic, genomic binning, and geochemical analyses from Axial Seamount, an active submarine volcano on the Juan de Fuca Ridge in the NE Pacific Ocean, from 2013 to 2015 at three different vents: Anemone, Marker 33, and Marker 113. Results showed that individual vent sites maintained microbial communities and specific populations over time, but with spatially distinct taxonomic, metabolic potential, and gene transcription profiles. The geochemistry and physical structure of each vent both played important roles in shaping the dominant organisms and metabolisms present at each site. Genomic binning identified key populations of SUP05, Aquificales and methanogenic archaea carrying out important transformations of carbon, sulfur, hydrogen, and nitrogen, with groups that appear unique to individual sites. This work highlights the connection between microbial metabolic processes, fluid chemistry, and microbial population dynamics at and below the seafloor and increases understanding of the role of hydrothermal vent microbial communities in deep ocean biogeochemical cycles. PMID- 29205751 TI - LH-21 and abnormal cannabidiol improve beta-cell function in isolated human and mouse islets through GPR55-dependent and -independent signalling. AB - AIMS: To examine the effects of Abn-CBD (GPR55 agonist) and LH-21 (CB1 antagonist) on human and mouse islet function, and to determine signalling via GPR55 using islets from GPR55-/- mice. MATERIALS AND METHODS: Islets isolated from human organ donors and mice were incubated in the absence or presence of Abn CBD or LH-21, and insulin secretion, [Ca2+ ]i, cAMP, apoptosis, beta-cell proliferation and CREB and AKT phosphorylation were examined using standard techniques. RESULTS: Abn-CBD potentiated glucose-stimulated insulin secretion and elevated [Ca2+ ]i in human islets and islets from both GPR55+/+ and GPR55-/- mice. LH-21 also increased insulin secretion and [Ca2+ ]i in human islets and GPR55+/+ mouse islets, but concentrations of LH-21 up to 0.1 MUM were ineffective in islets from GPR55-/- mice. Neither ligand affected basal insulin secretion or islet cAMP levels. Abn-CBD and LH-21 reduced cytokine-induced apoptosis in human islets and GPR55+/+ mouse islets, and these effects were suppressed after GPR55 deletion. They also increased beta-cell proliferation: the effects of Abn-CBD were preserved in islets from GPR55-/- mice, while those of LH-21 were abolished. Abn-CBD and LH-21 increased AKT phosphorylation in mouse and human islets. CONCLUSIONS: This study showed that Abn-CBD and LH-21 improve human and mouse islet beta-cell function and viability. Use of islets from GPR55-/- mice suggests that designation of Abn-CBD and LH-21 as a GPR55 agonist and a CB1 antagonist, should be revised. PMID- 29205752 TI - In vitro stimulatory effect of N-acetyl tryptophan-glucopyranoside against gamma radiation induced immunosuppression. AB - Radiation-induced manifestations like free radical burst, oxidative damage and apoptosis leading to cell death. In present study, N-acetyl tryptophan glucopyranoside (NATG) was assessed for its immune-radioprotective activities using J774A.1 cells. Clonogenic cell survival, cell cycle progression and cytokines i.e. IFN-gamma, TNF-alpha, IL-2, IL-10, IL-12, IL-13 and IL-17A expression were evaluated in irradiated and NATG pretreated cells using clonogenic formation ability, flow cytometry and ELISA assay. Results indicated that 0.25MUg/ml NATG exhibited maximum radioprotection against gamma-radiation (2Gy) without intervening in cell cycle progression. NATG pretreated (-2 h) plus irradiated cells showed significant elevation in IFN-gamma (~38.2%), IL-17A (~53.7%) and IL-12 (~58.8%) expression as compared to only irradiated cells. Conversely, significant decrease in TNF-alpha (~21.6%), IL-10 (~31.2%), IL-2 (~23.7%) and IL-13 expression (~17.8%) were observed in NATG pretreated plus irradiated cells as compared to irradiated cells. Conclusively, NATG pretreatment to irradiated J774A.1 cells, stimulate Th1 while diminish Th2 cytokines that contributes to radioprotection. PMID- 29205753 TI - Prognostic significance of pre-operative inflammatory markers in resected gallbladder cancer: a systematic review. AB - BACKGROUND: Neutrophil to lymphocyte ratio (NLR), C-reactive protein (CRP) and Glasgow Prognostic Score (GPS) have demonstrated good prognostic value in several cancers but their role in gallbladder cancer (GBC) remains unclear. The aim of this study is to systematically review the current literature to determine their role in predicting survival outcomes in GBC. METHODS: Using a pre-specified inclusive search strategy MEDLINE, EMBASE and CINAHL databases were used to identify studies describing survival in patients after GBC resection with high or low pre-operative CRP, GPS or NLR. A proforma was used to extract study author and date, number of patients, age, gender, tumour stage, use of adjuvant therapy and primary outcome data. RESULTS: In all, 46 studies were identified after initial screening with four studies reporting survival outcomes. All studies described a reduction in survival in patients with an elevated NLR, GPS or CRP. Three studies showed NLR to be an independent prognostic marker and one study additionally demonstrated that elevated CRP and GPS were associated with poorer survival. CONCLUSIONS: Elevated pre-operative inflammatory markers are inversely related to survival outcomes. They are relatively inexpensive, easy measurable parameters that could aid in the decision making process involved in the management of GBC. Sub-stratification of groups utilizing inflammatory markers may help guide surgical strategy. However, these studies are retrospective and of low to moderate quality. High quality, prospective studies with well-defined inclusion criteria and outcomes are needed to guide the role of inflammatory markers in the management of GBC. PMID- 29205754 TI - Preliminary investigation of blood concentrations of insulin-like growth factor, insulin, lactate and beta-hydroxybutyrate in dogs with lymphoma as compared with matched controls. AB - It is well established that tumour cells have metabolic differences when compared with normal cells. This is particularly true for energy metabolism in which dogs with cancer have been reported to have higher blood insulin and lactate concentrations than control dogs. Moreover, some human and animal studies suggest that the insulin-like growth factor 1 (IGF-1) signalling pathway may play a role in tumorigenesis and tumour progression. At present, IGF-1 has not been evaluated in dogs with multicentric lymphoma. In this prospective, cross-sectional study, blood levels of IGF-1, as well as other markers of energy metabolism-insulin, glucose, lactate, and beta-hydroxybutyrate-were measured in 16 dogs with histologically or cytologically confirmed treatment-naive lymphoma. These results were compared with 16 age-, sex- and weight-matched healthy controls. Dietary histories were collected, and protein, fat and carbohydrate intake were compared between groups. Results demonstrated that IGF-1, insulin, glucose and insulin:glucose ratio were not different between groups. However, lactate and beta-hydroxybutyrate were higher in the dogs with lymphoma than that in the control dogs (1.74 +/- 0.83 mmoL/L vs 1.08 +/- 0.27 and 2.59 +/- 0.59 mmol/L vs 0.77 +/- 0.38 mmol/L, respectively). Median dietary protein, fat and carbohydrates did not differ between the groups. This preliminary study suggests that higher insulin and IGF-1 levels relative to controls may not be a consistent finding in dogs with lymphoma. The significance of increased beta-hydroxybutyrate in dogs with lymphoma warrants further investigation in a larger prospective study. PMID- 29205755 TI - Short-term outcomes of paediatric liver transplant recipients after transition to Adult Healthcare Service. AB - BACKGROUND & AIMS: Survival rates after liver transplantation (LT) in paediatric recipients have significantly improved over time. However, data regarding outcomes after transition from Paediatric to Adult Healthcare Service (AHS) are still lacking. Therefore, we aimed to prospectively evaluate the outcome of LT recipients after transition, to access patients' non-adherence and identify potential risk factors for non-adherence. METHODS: All consecutive adolescent LT recipients moving to the AHS at Padua University Hospital were evaluated between 2010 and 2015. Demographic data, liver function tests, incidence of acute or chronic rejection episodes and adherence to medical prescription, were prospectively evaluated. An educational pilot study was implemented since 2015 to foster adherence during transition. RESULTS: In all, 32 patients (M/F 16/16, median age: 23 years) were evaluated. Median interval time between LT and transition was 15 years (range: 1-26 years). The main indication for LT was biliary atresia (31%), whereas immunosuppression regimen was tacrolimus-based in 75%. After a median follow-up of 29 months (range: 12-83), no significant modifications of liver function tests were observed. Biopsy-proven chronic rejection was diagnosed in 6/32 (18%) of patients, who had higher standard deviation of tacrolimus trough level than patients without (1.5 vs 1, P = .03). Non-adherence was reported in 8/32 (25%) of patients and was significantly associated with alcohol consumption (P = .003). Patient and graft survival were 96% and 93%, respectively. CONCLUSIONS: Adolescent LT patients who undergo transition to the AHS have good long-term outcomes. However, a multidisciplinary approach aiming at fostering adherence should be used. PMID- 29205756 TI - Magnetic Interaction Observed in Hetero Biradical Derivatives Containing a 2,2,5,5-Tetramethylpyrrolin-1-yloxyl Unit as a Localized Spin Center. AB - The magneto-structural correlation of hetero biradical derivatives containing a 2,2,5,5-tetramethylpyrrolin-1-yloxyl unit as a localized spin center and a verdazyl or nitronyl nitroxide radical is reported. The magnetic susceptibility measurement revealed that the verdazyl attached biradical 1 exhibits ferromagnetic interaction, whereas antiferromagnetic interaction is observed for nitronyl nitroxide attached biradical 2. An EPR study in toluene glass matrix suggests that both 1 and 2 have a ground triplet state. DFT calculations predict that there is intramolecular ferromagnetic interaction for both biradicals. The computation also suggests that the intramolecular magnetic interaction is weaker with larger dihedral angle between pyrroline ring and verdazyl ring/O-N-C-N-O plane of nitronyl nitroxide. The computations of model compounds 3 and 4 suggest that spin polarization on vinylic moiety without distribution of SOMO might be an essential condition for the intramolecular ferromagnetic interaction. PMID- 29205757 TI - Enhancing metabolic monitoring for children and adolescents using second generation antipsychotics. AB - The prevalence of children and adolescents using second-generation antipsychotics (SGAs) has increased significantly in recent years. In this population, SGAs are used to treat mood and behavioural disorders although considered 'off-label' or not approved for these indications. Metabolic monitoring is the systematic physical health assessment of antipsychotic users utilized to detect cardiovascular and endocrine side effects and prevent adverse events such as weight gain, hyperglycaemia, hyperlipidemia, and arrhythmias. This practice ensures safe and efficacious SGA use among children and adolescents. Despite widely available, evidence-based metabolic monitoring guidelines, rates of monitoring continue to be suboptimal; this exposes children to the unnecessary risk of developing poor cardiovascular health and long-term disease. In this discursive paper, existing approaches to metabolic monitoring as well as challenges to implementing monitoring guidelines in practice are explored. The strengths and weaknesses of providing metabolic monitoring across outpatient psychiatry, primary care, and collaborative community settings are discussed. We suggest that there is no one-size-fits-all solution to improving metabolic monitoring care for children and adolescents using SGA in all settings. However, we advocate for a pragmatic global approach to enhance safety of children and adolescents taking SGAs through collaboration among healthcare disciplines with a focus on integrating nurses as champions of metabolic monitoring. PMID- 29205758 TI - Transanal endoscopic microsurgery: a New Zealand experience. AB - BACKGROUND: Transanal endoscopic microsurgery (TEMS) is a proven alternative therapy to either radical surgery or endoscopic mucosal resection for rectal neoplasms. It has proven benefits with lower morbidity and mortality compared with total mesorectal excision, and a lower local recurrence rate when compared to endoscopic mucosal techniques. METHODS: A retrospective data collection of TEMS procedures performed through Waikato District Health Board, New Zealand, from 2010 to 2015 was conducted. Supportive follow-up data were sourced from patient records and from local centres around New Zealand. RESULTS: A total of 137 procedures were performed over the study period, with five being repeat procedures. Procedures were mostly performed for benign lesions (66.4%) with an overall complication rate of 15.3%, only five of which were Clavien-Dindo grade III (3.6%). Our local recurrence rate after resection of benign lesions was 5.1%. CONCLUSION: Our data set demonstrates the TEMS procedure to be safe compared to radical resection (total mesorectal excision) for sessile rectal lesions. Close endoscopic follow-up is recommended, especially for close or incomplete margins. Good therapeutic results can be obtained for appropriately selected early malignant lesions. TEMS provides better oncological results than endoscopic mucosal resection or transanal excision. PMID- 29205759 TI - Frailty prevalence and factors associated with the Frailty Phenotype and Frailty Index: Findings from the North West Adelaide Health Study. AB - OBJECTIVE: To determine the prevalence of frailty and associated factors in the North West Adelaide Health Study (2004-2006) using the Frailty Phenotype (FP) and Frailty Index (FI). METHODS: Frailty was measured in 909 community-dwelling participants aged >=65 years using the FP and FI. RESULTS: The FP classified 18% of participants as frail and the FI 48%. The measures were strongly correlated (r = 0.76, P < 0.001) and had a kappa agreement of 0.38 for frailty classification, with 37% of participants classified as non-frail by the FP being classified as frail by the FI. Being older, a current smoker, and having multimorbidity and polypharmacy were associated with higher frailty levels by both tools. Female, low income, obesity and living alone were associated with the FI. CONCLUSION: Frailty prevalence was higher when assessed using the FI. Socioeconomic factors and other health determinants contribute to higher frailty levels. PMID- 29205761 TI - Cooperative Formation of Long-Range Ordering in Water Ad-layers on Fe3 O4 (111) Surfaces. AB - The initial stages of water adsorption on magnetite Fe3 O4 (111) surface and the atomic structure of the water/oxide interface remain controversial. Herein, we provide experimental results obtained by infrared reflection-absorption spectroscopy (IRAS) and temperature-programmed desorption (TPD), corroborated by density functional theory (DFT) calculations showing that water readily dissociates on Fetet sites to form two hydroxo species. These act as an anchor for water molecules to form a dimer complex which self-assembles into an ordered (2*2) structure. Water ad-layer ordering is rationalized in terms of a cooperative effect induced by a hydrogen-bonding network. PMID- 29205760 TI - Plasma proprotein-convertase-subtilisin/kexin type 9 (PCSK9) and cardiovascular events in type 2 diabetes. AB - AIM: To investigate whether plasma concentrations of proprotein-convertase subtilisin/kexin type 9 (PCSK9) were associated with cardiovascular (CV) events in two cohorts of patients with type 2 diabetes mellitus. METHODS: We considered patients from the DIABHYCAR (n = 3137) and the SURDIAGENE (n = 1468) studies. Baseline plasma PCSK9 concentration was measured using an immunofluorescence assay. In post hoc, but preplanned, analyses we assessed the relationship between PCSK9 and the following endpoints: (1) a combined endpoint of major CV events: CV death, non-fatal myocardial infarction (MI), stroke and heart failure-related hospital admission; (2) a composite of all CV events: MI, stroke, heart failure related hospital admission, coronary/peripheral angioplasty or bypass, CV death; (3) MI; (4) stroke/transient ischaemic attack (TIA); and (5) CV death. RESULTS: In the DIABHYCAR study, plasma PCSK9 tertiles were associated with the incidence of MI, all CV events and stroke/TIA (P for trend <.05). In adjusted Cox analysis, plasma PCSK9 was associated, independently of classic risk factors, with the incidence of major CV events (hazard ratio [HR] for 1-unit increase of log[PCSK9] 1.28 [95% confidence interval {CI} 1.06-1.55]), the incidence of MI (HR 1.66 [95% CI 1.05-2.63]), and the incidence of all CV events (HR 1.22 [95% CI 1.04-1.44]), but not with CV death. Plasma PCSK9 was not associated with the incidence of CV disease in the participants of the SURDIAGENE study with high CV risk treated with statins and insulin. CONCLUSIONS: We found that PCSK9 was inconsistently associated with CV events in populations with type 2 diabetes. The association may depend on the level of CV risk and the background treatment. PMID- 29205762 TI - Crohn's disease involving ileal conduit: a case report. PMID- 29205763 TI - A comparison of two pencil beam scanning treatment planning systems for proton therapy. AB - OBJECTIVE: Analytical dose calculation algorithms for Eclipse and Raystation treatment planning systems (TPS), as well as a Raystation Monte Carlo model are compared to corresponding measured point doses. METHOD: The TPS were modeled with the same beam data acquired during commissioning. Thirty-five typical plans were made with each planning system, 31 without range shifter and four with a 5 cm range shifter. Point doses in these planes were compared to measured doses. RESULTS: The mean percentage difference for all plans between Raystation and Eclipse were 1.51 +/- 1.99%. The mean percentage difference for all plans between TPS models and measured values are -2.06 +/- 1.48% for Raystation pencil beam (PB), -0.59 +/- 1.71% for Eclipse and -1.69 +/- 1.11% for Raystation monte carlo (MC). The distribution for the patient plans were similar for Eclipse and Raystation MC with a P-value of 0.59 for a two tailed unpaired t-test and significantly different from the Raystation PB model with P = 0.0013 between Raystation MC and PB. All three models faired markedly better if plans with a 5 cm range shifter were ignored. Plan comparisons with a 5 cm range shifter give differences between Raystation and Eclipse of 3.77 +/- 1.82%. The mean percentage difference for 5 cm range shifter plans between TPS models and measured values are -3.89 +/- 2.79% for Raystation PB, -0.25 +/- 3.85% for Eclipse and 1.55 +/- 1.95% for Raystation MC. CONCLUSION: Both Eclipse and Raystation PB TPS are not always accurate within +/-3% for a 5 cm range shifters or for small targets. This was improved with the Raystation MC model. The point dose calculations of Eclipse, Raystation PB, and Raystation MC compare within +/-3% to measured doses for the other scenarios tested. PMID- 29205764 TI - A case of amoebic colitis following remote historical exposure. PMID- 29205765 TI - Slow Magnetic Relaxation and Single-Molecule Toroidal Behaviour in a Family of Heptanuclear {CrIII LnIII6 } (Ln=Tb, Ho, Er) Complexes. AB - The synthesis, magnetic properties, and theoretical studies of three heterometallic {CrIII LnIII6 } (Ln=Tb, Ho, Er) complexes, each containing a metal topology consisting of two Ln3 triangles connected via a CrIII linker, are reported. The {CrTb6 } and {CrEr6 } analogues display slow relaxation of magnetization in a 3000 Oe static magnetic field. Single-crystal measurements reveal opening up of the hysteresis loop for {CrTb6 } and {CrHo6 } molecules at low temperatures. Ab initio calculations predict toroidal magnetic moments in the two Ln3 triangles, which are found to couple, stabilizing a con-rotating ferrotoroidal ground state in Tb and Ho examples and extend the possibility of observing toroidal behaviour in non DyIII complexes for the first time. PMID- 29205766 TI - The bile salt sodium taurocholate induces Campylobacter jejuni outer membrane vesicle production and increases OMV-associated proteolytic activity. AB - Campylobacter jejuni, the leading cause of bacterial acute gastroenteritis worldwide, secretes an arsenal of virulence-associated proteins within outer membrane vesicles (OMVs). C. jejuni OMVs contain three serine proteases (HtrA, Cj0511, and Cj1365c) that cleave the intestinal epithelial cell (IEC) tight and adherens junction proteins occludin and E-cadherin, promoting enhanced C. jejuni adhesion to and invasion of IECs. C. jejuni OMVs also induce IECs innate immune responses. The bile salt sodium taurocholate (ST) is sensed as a host signal to coordinate the activation of virulence-associated genes in the enteric pathogen Vibrio cholerae. In this study, the effect of ST on C. jejuni OMVs was investigated. Physiological concentrations of ST do not have an inhibitory effect on C. jejuni growth until the early stationary phase. Coculture of C. jejuni with 0.1% or 0.2% (w/v) ST stimulates OMV production, increasing both lipid and protein concentrations. C. jejuni ST-OMVs possess increased proteolytic activity and exhibit a different protein profile compared to OMVs isolated in the absence of ST. ST-OMVs exhibit enhanced cytotoxicity and immunogenicity to T84 IECs and enhanced killing of Galleria mellonella larvae. ST increases the level of mRNA transcripts of the OMVs-associated serine protease genes and the cdtABC operon that encodes the cytolethal distending toxin. Coculture with ST significantly enhances the OMVs-induced cleavage of E-cadherin and occludin. C. jejuni OMVs also cleave the major endoplasmic reticulum chaperone protein BiP/GRP78 and this activity is associated with the Cj1365c protease. These data suggest that C. jejuni responds to the presence of physiological concentrations of the bile salt ST that increases OMV production and the synthesis of virulence-associated factors that are secreted within the OMVs. We propose that these events contribute to pathogenesis. PMID- 29205768 TI - The applications of regenerative medicine in sinus lift procedures: A systematic review. AB - BACKGROUND: Findings in regenerative medicine applied to the sinus lift procedures. PURPOSE: Evaluate the effectiveness of regenerative medicine in sinus lift. MATERIALS AND METHODS: An extensive search for manuscripts were performed by using different combinations of keywords and MeSH terms (Pub-med; Embase; Scopus; Web of Science Core Collection; Medline; Current Contents Connect; Derwent Innovations Index; Scielo Citation Index; Cochrane library). The full text selected articles are written in English, Portuguese, Spanish, Italian, German, or French, and published until 28 of November 2016. Inclusion criteria were: implant osteointegration, radiographic, histologic, and/or histomorphometric analysis, clinical studies in humans using of regenerative medicine. This systematic review was performed by selecting only randomized controlled clinical trials and controlled clinical trials. RESULTS: Eighteen published studies (11 CT and 7 RCT) were considered eligible for inclusion in the present systematic review. These studies demonstrated considerable variation of biomaterial and cell technics used, study design, sinus lift technic, outcomes, follow-up, and results. CONCLUSION: Only few studies have demonstrated potential of regenerative medicine in sinus lift; further randomized clinical trials are needed to achieve more accurate results. PMID- 29205767 TI - Atomic mass tag of bismuth-209 for increasing the immunoassay multiplexing capacity of mass cytometry. AB - Mass cytometry (or CyTOF) is an atomic mass spectrometry-based single-cell immunoassay technology, which has provided an increasingly systematic and sophisticated view in basic biological and clinical studies. Using elemental reporters composed of stable heavy metal isotopes, more than 50 cellular parameters are measured simultaneously. However, this current multiplexing does not meet the theoretical capability of CyTOF instrumentation with 135 detectable channels, primarily due to the limitation of available chemistries for conjugating elemental mass tags to affinity reagents. To address this issue, we develop herein additional metallic mass tag based on bismuth-209 (209 Bi) for efficient conjugation to monoclonal antibody. This enables the use of an addtional channel m/z = 209 of CyTOF for single-cell immunoassays. Bismuth has nearly the same charge-to-radius ratio as lanthanide elements; thus, bismuth(III) cations (209 Bi3+ ) could coordinate with DTPA chelators in the same geometry of O- and N-donor groups as that of lanthanide. In this report, the coordination chemistry of 209 Bi3+ with DTPA chelators and Maxpar(r) X8 polymers were investigated in details. Accordingly, the protocols of conjugating antibody with bismuth mass tag were provided. A method based on UV-Vis absorbance at 280 nm of 209 Bi3+ -labeling DTPA complexes was developed to evaluate the stoichiometric ratio of 209 Bi3+ cations to the conjugated antibody. Side-by-side single-cell analysis experiments with bismuth- and lanthanide-tagged antibodies were carried out to compare the analytical sensitivities. The measurement accuracy of bismuth tagged antibody was validated within in vitro assay using primary human natural killer cells. Furthermore, bismuth-tagged antibodies were successfully employed in cell cycle measurements and high-dimensional phenotyping immunoassays. (c) 2017 International Society for Advancement of Cytometry. PMID- 29205769 TI - Highly dexterous 2-module soft robot for intra-organ navigation in minimally invasive surgery. AB - BACKGROUND: For some surgical interventions, like the Total Mesorectal Excision (TME), traditional laparoscopes lack the flexibility to safely maneuver and reach difficult surgical targets. This paper answers this need through designing, fabricating and modelling a highly dexterous 2-module soft robot for minimally invasive surgery (MIS). METHODS: A soft robotic approach is proposed that uses flexible fluidic actuators (FFAs) allowing highly dexterous and inherently safe navigation. Dexterity is provided by an optimized design of fluid chambers within the robot modules. Safe physical interaction is ensured by fabricating the entire structure by soft and compliant elastomers, resulting in a squeezable 2-module robot. An inner free lumen/chamber along the central axis serves as a guide of flexible endoscopic tools. A constant curvature based inverse kinematics model is also proposed, providing insight into the robot capabilities. RESULTS: Experimental tests in a surgical scenario using a cadaver model are reported, demonstrating the robot advantages over standard systems in a realistic MIS environment. CONCLUSION: Simulations and experiments show the efficacy of the proposed soft robot. PMID- 29205770 TI - Effect of tooth brushing on gloss retention and surface roughness of five bulk fill resin composites. AB - OBJECTIVES: To determine the effects of tooth brushing on five bulk-fill resin based composites (RBCs). METHOD: Ten samples of Filtek Supreme Enamel (control), Filtek One Bulk Fill, Tetric EvoCeram Bulk Fill, SonicFill 2, SDR flow+, and Admira Fusion X-tra were light cured for 20 seconds using the Valo Grand curing light. After 24 hours storage in air at 37 degrees C, specimens were brushed in a random order using Colgate OpticWhite dentifrice and a soft toothbrush. Surface gloss was measured prior to brushing, after 5,000, 10,000 and 15,000 back and forth brushing cycles. Surface roughness was measured after 15,000 brushing cycles using atomic force microscopy (AFM) and selected scanning electron microscope (SEM) images were taken. The data was examined using ANOVA and pair wise comparisons using Scheffe's post-hoc multiple comparison tests (alpha = 0.05). RESULTS: Surface gloss decreased and the surface roughness increased after brushing. Two-way ANOVA showed that both the RBC and the number of brushing cycles had a significant negative effect on the gloss. One-way ANOVA showed that the RBC had a significant effect on the roughness after 15,000 brushing cycles. For both gloss and roughness, brushing had the least effect on the nano-filled control and nano-filled bulk-fill RBC, and the greatest negative effect on Admira Fusion X-tra. The SEM images provided visual agreement. There was an excellent linear correlation (R2 = 0.98) between the logarithm of the gloss and roughness. CONCLUSION: After brushing, the bulk-fill RBCs were all rougher than the control nano-filled RBC. The nano-filled bulk-fill RBC was the least affected by brushing. CLINICAL SIGNIFICANCE: Bulk-fill RBCs lose their gloss faster and become rougher than the nanofilled conventional RBC, Filtek Supreme Ultra. The nanofilled bulk-fill RBC was the least affected by tooth brushing. PMID- 29205771 TI - Homoeologous exchange is a major cause of gene presence/absence variation in the amphidiploid Brassica napus. AB - Homoeologous exchanges (HEs) have been shown to generate novel gene combinations and phenotypes in a range of polyploid species. Gene presence/absence variation (PAV) is also a major contributor to genetic diversity. In this study, we show that there is an association between these two events, particularly in recent Brassica napus synthetic accessions, and that these represent a novel source of genetic diversity, which can be captured for the improvement of this important crop species. By assembling the pangenome of B. napus, we show that 38% of the genes display PAV behaviour, with some of these variable genes predicted to be involved in important agronomic traits including flowering time, disease resistance, acyl lipid metabolism and glucosinolate metabolism. This study is a first and provides a detailed characterization of the association between HEs and PAVs in B. napus at the pangenome level. PMID- 29205772 TI - The Exploitation of Enzymatically-Derived cis-1,2-Dihydrocatechols and Related Compounds in the Synthesis of Biologically Active Natural Products. AB - The title compounds of the general form 1 can be produced at large scale and in essentially enantiomerically pure form (when X?H) through the whole cell biotransformation of the corresponding aromatic. The "dense" and varied functionality associated with these metabolites mean that they have become increasingly useful chirons for the total synthesis of a range of natural product types. This personal account details the outcomes of a nearly three-decade long campaign within our group to exploit these compounds in the synthesis of a diverse range of small molecule natural product targets. The work is subdivided according to the key transformation(s) employed in each synthesis. The development of newer chirons that "complement" the utility of the cis-1,2 dihydrocatechols are also described. PMID- 29205774 TI - Comparison of glucose-lowering agents after dual therapy failure in type 2 diabetes: A systematic review and network meta-analysis of randomized controlled trials. AB - AIMS: To assess the evidence supporting the choice of third-line agents in adults with inadequately controlled type 2 diabetes. MATERIALS AND METHODS: We searched randomized controlled trials (RCTs) published between January 2000 and July 2017 that reported data on cardiometabolic outcomes and hypoglycaemia for glucose lowering agents added to metformin-based dual treatments. Data were stratified by background therapy and RCT duration, and synthesized, when possible, with network meta-analyses. RESULTS: A total of 43 RCTs (16 590 participants) were included, with metformin combined with: sulphonylureas (SUs) in 20 RCTs; thiazolidinediones (TZDs) in 10; basal or rapid-acting insulin in 6; dipeptidyl peptidase-4 (DPP-4) inhibitors in 3; glucagon-like peptide-1 receptor agonists (GLP-1RAs) in 2; and sodium-glucose co-transporter-2 (SGLT-2) inhibitors in 2. When added to metformin and SUs, after 24 to 36 weeks, rapid-acting insulin resulted in the largest reduction in glycated haemoglobin (HbA1c; 1.6% vs placebo), followed by GLP-1RAs (1.0%), basal insulin (0.8%) and SGLT-2 inhibitors (0.7%), with no difference between GLP-1RAs and SGLT-2 inhibitors; body weight increased with insulin treatment (~3 kg vs placebo), while the greatest reduction was observed for SGLT 2 inhibitors compared with all other therapies. Limited data for hypoglycaemia indicated a similar risk for SGLT-2 inhibitors and GLP-1RAs. Results for third line agents added to metformin and TZDs were comparable, showing similar HbA1c reduction and risk of hypoglycaemia between SGLT-2 inhibitors and GLP-1RAs, and a slightly greater reduction in body weight with SGLT-2 inhibitors vs GLP-1RAs. Data for 52 to 54 weeks were more limited: added to metformin and a SU, TZDs, GLP 1RAs or SGLT-2 inhibitors reduced HbA1c to a similar extent but had different effects on body weight (7 kg and 5 kg more with TZDs vs SGLT-2 inhibitors and GLP 1RAs, respectively; 2 kg less when comparing SGLT-2 inhibitors with GLP-1RAs). Formal analyses could not be performed for any other dual therapy failure combinations because of the small number of available RCTs. CONCLUSIONS: Moderate quality evidence supports the choice of a third-line agent only in patients on metformin combined with a SU or a TZD, with SGLT-2 inhibitors performing generally better than other drugs. In suggesting third-line agents, future guidelines should recognize the widely differing evidence on the various dual therapy failures. PMID- 29205775 TI - Donor-derived, metastatic urothelial cancer after kidney transplantation associated with a potentially oncogenic BK polyomavirus. AB - BK polyomavirus has been linked to urothelial carcinoma in immunosuppressed patients. Here, we performed comprehensive genomic analysis of a BK polyomavirus associated, metachronous, multifocal and metastatic micropapillary urothelial cancer in a kidney transplant recipient. Dissecting cancer heterogeneity by sorting technologies prior to array-comparative genomic hybridization followed by short tandem repeat analysis revealed that the metastatic urothelial cancer was of donor origin (4-year-old male). The top 50 cancer-associated genes showed no key driver mutations as assessed by next-generation sequencing. Whole genome sequencing and BK polyomavirus-specific amplification provided evidence for episomal and subgenomic chromosomally integrated BK polyomavirus genomes, which carried the same unique 17-bp deletion signature in the viral non-coding control region (NCCR). Whereas no role in oncogenesis could be attributed to the host gene integration in chromosome 1, the 17-bp deletion in the NCCR increased early viral gene expression, but decreased viral replication capacity. Consequently, urothelial cells were exposed to high levels of the transforming BK polyomavirus early proteins large tumour antigen and small tumour antigen from episomal and integrated gene expression. Surgery combined with discontinuation of immunosuppression resulted in complete remission, but sacrificed the renal transplant. Thus, this report links, for the first time, BK polyomavirus NCCR rearrangements with oncogenic transformation in urothelial cancer in immunosuppressed patients. Copyright (c) 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. PMID- 29205776 TI - The Graduating European Dentist: Contemporaneous Methods of Teaching, Learning and Assessment in Dental Undergraduate Education. AB - It is often the case that good teachers just "intuitively" know how to teach. Whilst that may be true, there is now a greater need to understand the various processes that underpin both the ways in which a curriculum is delivered, and the way in which the students engage with learning; curricula need to be designed to meet the changing needs of our new graduates, providing new, and robust learning opportunities, and be communicated effectively to both staff and students. The aim of this document is to draw together robust and contemporaneous methods of teaching, learning and assessment that help to overcome some of the more traditional barriers within dental undergraduate programmes. The methods have been chosen to map specifically to The Graduating European Dentist, and should be considered in parallel with the benchmarking process that educators and institutions employ locally. PMID- 29205777 TI - Preface. PMID- 29205778 TI - The Graduating European Dentist-Domain II: Safe and Effective Clinical Practice. AB - This position paper outlines the areas of competence and learning outcomes of "The Graduating European Dentist" that specifically relate to Safe and Effective Clinical Practice. Dentists are required to ensure that they are capable of providing appropriate care for their patients, whilst also effectively managing and leading the wider clinical team. The care that is provided should align to a contemporaneous evidence base wherever possible, and the quality of care and the management systems that underpin it should be regularly audited and improved. PMID- 29205773 TI - Treponema denticola increases MMP-2 expression and activation in the periodontium via reversible DNA and histone modifications. AB - Host-derived matrix metalloproteinases (MMPs) and bacterial proteases mediate destruction of extracellular matrices and supporting alveolar bone in periodontitis. The Treponema denticola dentilisin protease induces MMP-2 expression and activation in periodontal ligament (PDL) cells, and dentilisin mediated activation of pro-MMP-2 is required for cellular fibronectin degradation. Here, we report that T. denticola regulates MMP-2 expression through epigenetic modifications in the periodontium. PDL cells were treated with epigenetic enzyme inhibitors before or after T. denticola challenge. Fibronectin fragmentation, MMP-2 expression, and activation were assessed by immunoblot, zymography, and qRT-PCR, respectively. Chromatin modification enzyme expression in T. denticola-challenged PDL cells and periodontal tissues were evaluated using gene arrays. Several classes of epigenetic enzymes showed significant alterations in transcription in diseased tissue and T. denticola-challenged PDL cells. T. denticola-mediated MMP-2 expression and activation were significantly reduced in PDL cells treated with inhibitors of aurora kinases and histone deacetylases. In contrast, DNA methyltransferase inhibitors had little effect, and inhibitors of histone acetyltransferases, methyltransferases, and demethylases exacerbated T. denticola-mediated MMP-2 expression and activation. Chronic epigenetic changes in periodontal tissues mediated by T. denticola or other oral microbes may contribute to the limited success of conventional treatment of chronic periodontitis and may be amenable to therapeutic reversal. PMID- 29205779 TI - The Graduating European Dentist-Domain IV: Dentistry in Society. AB - This position paper outlines the areas of competence and learning outcomes of "The Graduating European Dentist" that specifically relates to Dentistry in Society. In addition to treating individual patients, a Dentist must be able to focus on promoting health, monitoring interventions and implementing effective strategies of care at community and population levels. This necessarily involves understanding population demography and health trends, engaging with health policy and promoting health. A Dentist must also understand population demography and health trends, in the context of the healthcare system within which they work. PMID- 29205780 TI - The Graduating European Dentist-Domain I: Professionalism. AB - This position paper outlines the areas of competence and learning outcomes of "The Graduating European Dentist" that specifically relate to Professionalism. Professionalism is a commitment to a set of values, behaviours and relationships, which underpin the trust that the public hold in dental care professionals. Shortcomings within this domain are often responsible for patient dissatisfaction, concern and complaint-and emphasis is placed on the importance of embedding these values from an early stage within the curriculum. PMID- 29205781 TI - The Graduating European Dentist-Domain III: Patient-Centred Care. AB - This position paper outlines the areas of competence and learning outcomes of "The Graduating European Dentist" that specifically relate to patient-centred care. This approach is becoming increasingly prominent within the literature and within policy documents. Whilst working to an evidence base is critical, dentists must also be aware of the scientific basis that underpins the treatment they provide. The evaluation process, which supports treatment planning, also requires dentists to be able to listen, collate, and record pertinent information effectively. In addition, the ability to account for a patient's social, cultural and linguistic needs (cultural competence) will result in a practitioner who is able to treatment plan for patient-centred care. PMID- 29205782 TI - The Graduating European Dentist: A New Undergraduate Curriculum Framework. AB - With "The Graduating European Dentist", ADEE provides a new approach that reflects best academic practice for European undergraduate dental education. The new suite of documents sees increased emphasis on important curriculum components such as patient safety, working as a team and patient-centred care. There is also an increased emphasis on teaching excellence, student satisfaction and student preparedness and support. Guidance relating to methods of teaching and learning, and assessment (educational measurement), is also provided. It is anticipated that this new format will further increase accessibility and utility for educators, institutions, societies and regulators, across the sector. PMID- 29205783 TI - Transanal minimally invasive full-thickness anterior middle rectum polyp resection - video vignette. AB - Rectal preservation is gaining popularity in the surgical treatment of degenerated rectal polyps or early rectal cancer (1,2). Tis/T1 rectal lesions can be safely treated without chemoradiation (3). Treatment by transanal minimally invasive surgery (TAMIS) offers more advantages than endoscopic submucosal dissection (ESD) (4). The authors report a 60 year-old woman who underwent TAMIS for a large polyp located anteriorly in the middle 1/3 of the rectum, 7 cm from the dentate line and staged preoperatively as uTisN0M0. This article is protected by copyright. All rights reserved. PMID- 29205784 TI - Thoracic epidural analgesia in donor hepatectomy: An analysis. AB - The purpose of this study is to analyze whether supplementation of general anesthesia (GA) with thoracic epidural analgesia (TEA) for right lobe donor hepatectomy is a safe modality of pain relief in terms of changes in postoperative coagulation profile, incidence of epidural catheter-related complications, and timing of removal of epidural catheter. Retrospective analysis of the record of 104 patients who received TEA for right lobe donor hepatectomy was done. Platelet count, international normalized ratio, alanine aminotransferase, and aspartate aminotransferase were recorded postoperatively until the removal of the epidural catheter. The day of removal of the epidural catheter and visual analogue scale (VAS) scores were also recorded. Any complication encountered was documented. Intraoperatively, central venous pressure (CVP), hemodynamic variables, and volume of intravenous fluids infused were also noted. Statistical analysis was performed by using SPSS statistical package, version 17.0 (SPSS Inc. Chicago, IL). Continuous variables were presented as mean +/- standard deviation. A total of 90% of patients had mean VAS scores between 1 and 4 in the postoperative period between days 1 and 5. None of the patients had a VAS score above 5. Although changes in coagulation status were encountered in all patients in the postoperative period, these changes were transient and did not persist beyond postoperative day (POD) 5. There was no delay in removal of the epidural catheter, and the majority of patients had the catheter removed by POD 4. There was no incidence of epidural hematoma. Aside from good intraoperative and postoperative analgesia, TEA in combination with balanced GA and fluid restriction enabled maintenance of low CVP and prevention of hepatic congestion. In conclusion, vigilant use of TEA appears to be safe during donor hepatectomy. Living liver donors should not be denied efficient analgesia for the fear of complications. Liver Transplantation 24 214-221 2018 AASLD. PMID- 29205785 TI - Plant Polyphenols Stimulate Adhesion to Intestinal Mucosa and Induce Proteome Changes in the Probiotic Lactobacillus acidophilus NCFM. AB - SCOPE: Plant phenolics, known to exert beneficial effects on human health, were supplemented to cultures of the probiotic bacterium Lactobacillus acidophilus NCFM (NCFM) to assess their effect on its adhesive capacity and the abundancy of individual proteins. METHODS AND RESULTS: The presence of resveratrol and ferulic acid during bacterial growth stimulated adhesion of NCFM to mucin and human intestinal HT-29 cells, while tannic acid improved adhesion only to HT-29 cells and caffeic acid had very modest effect overall. Some dosage dependence was found for the four phenolics supplemented at 100, 250, and 500 MUg mL-1 to the cultures. Notably, 500 MUg mL-1 ferulic acid only stimulated adhesion to mucin. Analyses of differential whole-cell as well as surface proteomes revealed relative abundancy changes for a total of 27 and 22 NCFM proteins, respectively. These changes include enzymes acting in metabolic pathways, such as glycolysis, nucleotide metabolism, and stress response, as well as known moonlighting or surface-associated proteins. CONCLUSION: The five plant phenolics found in various foods stimulate the adhesive capacity of NCFM in diverse ways and elicit relative abundancy changes of specific proteins, providing molecular level insight into the mechanism of the putative beneficial effects of the polyphenols. PMID- 29205786 TI - Pharmacokinetics and tolerability of semaglutide in people with hepatic impairment. AB - AIMS: To investigate whether the pharmacokinetic characteristics of semaglutide were altered in people with hepatic impairment, assessed using Child-Pugh criteria, vs those with normal hepatic function. METHODS: In this multicentre, open-label, parallel-group trial (sponsor Novo Nordisk, ClinicalTrials.gov ID NCT02210871), four groups of participants with normal hepatic function (n = 19) or mild (n = 8), moderate (n = 10) or severe (n = 7) hepatic impairment received a single, subcutaneous dose of 0.5 mg semaglutide. Semaglutide plasma concentrations were assessed frequently for 35 days after dosing. The primary endpoint was area under the semaglutide plasma concentration-time curve from time zero to infinity (AUC0-infinity ). No effect of hepatic impairment was declared if the 90% confidence interval (CI) for the between-group ratio (hepatic impairment/normal function) was within the interval 0.70 to 1.43. RESULTS: Semaglutide exposure was similar across all groups, with AUC0-infinity treatment ratios for mild impairment/normal function of 0.95 (90% CI 0.77, 1.16), moderate impairment/normal function 1.02 (90% CI 0.93, 1.12), and severe impairment/normal function 0.97 (90% CI 0.84, 1.12). The maximum plasma semaglutide concentration (Cmax ) did not appear to be influenced by hepatic function, with mild impairment/normal function treatment ratios of 0.99 (90% CI 0.80, 1.23), moderate impairment/normal function 1.02 (90% CI 0.88, 1.18) and severe impairment/normal function 1.15 (90% CI 0.89, 1.48; sensitivity analysis excluding one extreme semaglutide concentration: 1.05 [90% CI 0.88, 1.25]). In all, 10 participants reported 12 mild or moderate non-serious adverse events. No unexpected safety or tolerability issues were observed. CONCLUSIONS: Semaglutide exposure did not appear to be affected by hepatic impairment, suggesting that dose adjustment may not be necessary in patients with hepatic impairment. Semaglutide was well tolerated and there were no unexpected safety issues. PMID- 29205787 TI - System for CT-guided needle placement in the thorax and abdomen: A design for clinical acceptability, applicability and usability. AB - BACKGROUND: Various systems exist for CT-guided needle placement in the thorax and abdomen, but widespread adoption is lacking. The goal of this work is to develop a system for precise needle placement with a design focus on clinical acceptability, applicability and usability. METHODS: A system was outlined incorporating a needle guide on a mechanism with a remote centre of motion, manually placeable around the patient at the desired entry point and lockable by push-button to the CT table. System and patient are scanned for system-to-CT registration and target specification. The needle guide is automatically aimed at the target, for manual needle insertion to specified depth. RESULTS: A fully functional prototype was realized, achieving 1.2+/-0.6 mm placement error at 79.0+/-8.4 mm depth and 2.1+/-0.7 mm at 156.0+/-6.9 mm for 2*12 in- and out-of plane punctures in a gelatin phantom. CONCLUSIONS: The system enables precise needle placement in a single insertion and is ready for its first clinical deployment. PMID- 29205788 TI - Normal variation of bone marrow B-cell precursors according to age - reference ranges for studies in myelodysplastic syndromes in Brazil. AB - BACKGROUND: Normal B lymphoid maturation occurs in bone marrow (BM) throughout life, but immature B-cell progenitors (BCPs) are more numerous in children than in adults. To assess the normal values according to age became important as BCPs are decreased in myelodysplastic syndromes and have been considered an important diagnostic and prognostic feature in these clonal disorders. METHODS: in a multicenter retrospective study from the Brazilian Group of Flow Cytometry we analyzed the variation of BCPs in normal BM according to age and technical peculiarities of each laboratory. We analysed of 45 BM donors and 89 cases examined for elucidation of transitory reactive cytopenias presenting a normal BM immunophenotyping. BCPs were enumerated as CD19+ /CD34+ /CD45dim /CD10+ cells (panel 1) or CD19+ /CD34+ /CD45dim cells (panel 2) among the total nucleated non erythroid cells and as percentage of CD34+ cells. RESULTS: we included 134 cases. Panel 1 was applied in 88 cases and panel 2 was used in 46. Age range: 10 months to 89 years. In a multiple regression, % BCPs/total nucleated cells was an exponential function of age. Age explained alone 49.4% of the variance, while 'panel used' explained 1.8% and 'laboratory' explained 0.7%. Age explained only 24.9% of the variance of BCPs/CD34+ cells. CONCLUSIONS: in normal individuals, BM B-cell precursors varied mainly according to age, but were also dependent on technical peculiarities of operators and equipments. Analysis by phenotype and as percentage of total nucleated cells was more accurate and less susceptible to variation than evaluating % BCPs/total CD34+ cells. (c) 2017 International Clinical Cytometry Society. PMID- 29205789 TI - Modified jailed balloon technique for bifurcation lesions. AB - OBJECTIVES: We propose a new systematic approach in bifurcation lesions, modified jailed balloon technique (M-JBT), and report the first clinical experience. BACKGROUND: Side branch occlusion brings with a serious complication and occurs in more than 7.0% of cases during bifurcation stenting. METHODS: A jailed balloon (JB) is introduced into the side branch (SB), while a stent is placed in the main branch (MB) as crossing SB. The size of the JB is half of the MB stent size. While the proximal end of JB attaching to MB stent, both stent and JB are simultaneously inflated with same pressure. JB is removed and then guidewires are recrossed. Kissing balloon dilatation (KBD) and/or T and protrusion (TAP) stenting are applied as needed. RESULTS: Between February 2015 and February 2016, 233 patients (254 bifurcation lesions including 54 left main trunk disease) underwent percutaneous coronary intervention (PCI) using this technique. Procedure success was achieved in all cases. KBD was performed for 183 lesions and TAP stenting was employed for 31 lesions. Occlusion of SV was not observed in any of the patients. Bench test confirmed less deformity of MB stent in M-JBT compared with conventional-JBT. CONCLUSIONS: This is the first report for clinical experiences by using modified jailed balloon technique. This novel M-JBT is safe and effective in the preservation of SB patency during bifurcation stenting. PMID- 29205790 TI - A Molecular Approach to Manganese Nitride Acting as a High Performance Electrocatalyst in the Oxygen Evolution Reaction. AB - The scalable synthesis of phase-pure crystalline manganese nitride (Mn3 N2 ) from a molecular precursor is reported. It acts as a superiorly active and durable electrocatalyst in the oxygen evolution reaction (OER) from water under alkaline conditions. While electrophoretically deposited Mn3 N2 on fluorine tin oxide (FTO) requires an overpotential of 390 mV, the latter is substantially decreased to merely 270 mV on nickel foam (NF) at a current density of 10 mA cm-2 with a durability of weeks. The high performance of this material is due to the rapid transformation of manganese sites at the surface of Mn3 N2 into an amorphous active MnOx overlayer under operation conditions intimately connected with metallic Mn3 N2 , which increases the charge transfer from the active catalyst surface to the electrode substrates and thus outperforms the electrocatalytic activity in comparison to solely MnOx -based OER catalysts. PMID- 29205791 TI - Observation of Resistive Switching Behavior in Crossbar Core-Shell Ni/NiO Nanowires Memristor. AB - The crossbar structure of resistive random access memory (RRAM) is the most promising technology for the development of ultrahigh-density devices for future nonvolatile memory. However, only a few studies have focused on the switching phenomenon of crossbar RRAM in detail. The main purpose of this study is to understand the formation and disruption of the conductive filament occurring at the crossbar center by real-time transmission electron microscope observation. Core-shell Ni/NiO nanowires are utilized to form a cross-structure, which restrict the position of the conductive filament to the crosscenter. A significant morphological change can be observed near the crossbar center, which results from the out-diffusion and backfill of oxygen ions. Energy dispersive spectroscopy and electron energy loss spectroscopy demonstrate that the movement of the oxygen ions leads to the evolution of the conductive filament, followed by redox reactions. Moreover, the distinct reliability of the crossbar device is measured via ex situ experiments. In this work, the switching mechanism of the crossbar core-shell nanowire structure is beneficial to overcome the problem of nanoscale minimization. The experimental method shows high potential to fabricate high-density RRAM devices, which can be applied to 3D stacked package technology and neuromorphic computing systems. PMID- 29205792 TI - Magnetotaxis Enables Magnetotactic Bacteria to Navigate in Flow. AB - Magnetotactic bacteria (MTB) play an important role in Earth's biogeochemical cycles by transporting minerals in aquatic ecosystems, and have shown promise for controlled transport of microscale objects in flow conditions. However, how MTB traverse complex flow environments is not clear. Here, using microfluidics and high-speed imaging, it is revealed that magnetotaxis enables directed motion of Magnetospirillum magneticum over long distances in flow velocities ranging from 2 to 1260 um s-1 , corresponding to shear rates ranging from 0.2 to 142 s-1 -a range relevant to both aquatic environments and biomedical applications. The ability of MTB to overcome a current is influenced by the flow, the magnetic field, and their relative orientation. MTB can overcome 2.3-fold higher flow velocities when directed to swim perpendicular to the flow as compared to upstream, as the latter orientation induces higher drag. The results indicate a threshold drag of 9.5 pN, corresponding to a flow velocity of 550 um s-1 , where magnetotaxis enables MTB to overcome counterdirectional flow. These findings bring new insights into the interactions of MTB with complex flow environments relevant to aquatic ecosystems, while suggesting opportunities for in vivo applications of MTB in microbiorobotics and targeted drug delivery. PMID- 29205793 TI - Duodenal graft complications requiring duodenectomy after pancreas and pancreas kidney transplantation. AB - Duodenal graft complications are poorly reported complications of pancreas transplantation that can result in graft loss. Excluding patients with early graft failure, after a median follow-up period of 126 months (range 23-198) duodenectomy was required in 14 of 312 pancreas transplants (4.5%). All patients were insulin-independent at the time of diagnosis. Reasons for duodenectomy included delayed duodenal graft perforation (n = 10, 71.5%) and refractory duodenal graft bleeding (n = 4, 28.5%). In patients with duodenal graft bleeding, a total duodenectomy was performed. In patients with duodenal graft perforation, preservation of a duodenal segment was possible in five patients but completion duodenectomy was necessary in one patient. After total duodenectomy, immediate enteric duct drainage was feasible in seven patients. In two patients, a pancreaticocutaneous fistula was created that was subsequently converted to enteric drainage in one patient. In the other patient, enteric fistulization occurred as a consequence of silent pressure perforation of the draining catheter on the ascending colon. After a mean follow-up period of 52 months (21-125), all patients were alive, well, and insulin-independent. An aggressive and timely surgical approach may permit graft rescue in patients with severe duodenal graft complications occurring after pancreas transplantation. Generalization of these results remains to be established. PMID- 29205794 TI - Biallelic mutations in LARS2 can cause Perrault syndrome type 2 with neurologic symptoms. AB - Perrault syndrome represents a genetically heterogeneous disorder characterized by sensorineural hearing loss in males and females and ovarian dysfunction in females. Causative genes include HARS2, HSD17B4, CLPP, C10orf2, and LARS2. Some patients with Perrault syndrome exhibit neurologic features including learning disability, cerebellar ataxia, and peripheral neuropathy and are classified as type 2 and are clinically separate from those without neurological symptoms other than a hearing loss (type 1). To date, all reported patients with LARS2 mutations (15 patients in 8 families) have been classified as type 1. Here, we report female siblings with biallelic mutations in LARS2, p.Glu294Lys, and p.Thr519Met, who were classified as type 2. The proposita developed progressive sensorineural hearing loss at 18 months and pervasive developmental disorder at 8 years, with repetitive behavior, insistence on sameness, attention deficit, tic, irritability, and an ataxic gait. At age 15 years, she was diagnosed as having primary amenorrhea with elevated FSH and LH and a decreased estradiol; ultrasound and magnetic resonance imaging examinations revealed a small uterus and no detectable ovaries. The proposita's younger sister presented with neonatal sensorineural hearing loss and a mild delay in motor and speech development. She was diagnosed as having primary amenorrhea with endocrinologic and radiographic findings that were comparable to those of her sister. She had difficulty with reading comprehension, and had trouble with open-ended test questions at 12 years of age. We concluded that Perrault syndrome patients with LARS2 mutations are at risk for neurologic problems, despite previous notions otherwise. PMID- 29205795 TI - Multistage Targeting Strategy Using Magnetic Composite Nanoparticles for Synergism of Photothermal Therapy and Chemotherapy. AB - Mitochondrial-targeting therapy is an emerging strategy for enhanced cancer treatment. In the present study, a multistage targeting strategy using doxorubicin-loaded magnetic composite nanoparticles is developed for enhanced efficacy of photothermal and chemical therapy. The nanoparticles with a core shell-SS-shell architecture are composed of a core of Fe3 O4 colloidal nanocrystal clusters, an inner shell of polydopamine (PDA) functionalized with triphenylphosphonium (TPP), and an outer shell of methoxy poly(ethylene glycol) linked to the PDA by disulfide bonds. The magnetic core can increase the accumulation of nanoparticles at the tumor site for the first stage of tumor tissue targeting. After the nanoparticles enter the tumor cells, the second stage of mitochondrial targeting is realized as the mPEG shell is detached from the nanoparticles by redox responsiveness to expose the TPP. Using near-infrared light irradiation at the tumor site, a photothermal effect is generated from the PDA photosensitizer, leading to a dramatic decrease in mitochondrial membrane potential. Simultaneously, the loaded doxorubicin can rapidly enter the mitochondria and subsequently damage the mitochondrial DNA, resulting in cell apoptosis. Thus, the synergism of photothermal therapy and chemotherapy targeting the mitochondria significantly enhances the cancer treatment. PMID- 29205796 TI - Nanoarchitectonics from Molecular Units to Living-Creature-Like Motifs. AB - Important points for the fabrication of functional materials are the creation of nanoscale/molecular-scale units and architecting them into functional materials and systems. Recently, a new conceptual paradigm, nanoarchitectonics, has been proposed to combine nanotechnology and other methodologies including supramolecular chemistry, self-assembly and self-organization to satisfy major features of nanoscience and promote the creation of functional materials and systems. In this account article, our recent research results in materials development based on the nanoarchitectonics concept are summarized in two stories, (i) nanoarchitectonics from fullerenes as the simplest nano-units and (ii) dimension-dependent nanoarchitectonics from various structural units. The former demonstrates creativity of the nanoarchitectonics concept only with simple construction stuffs on materials fabrications, and a wide range of material applicability for the nanoarchitectonics strategy is realized in the latter ones. PMID- 29205797 TI - Stereotactic ablative radiotherapy for hepatocellular carcinoma: History, current status, and opportunities. AB - A variety of surgical and other local-regional approaches to the management of hepatocellular carcinoma (HCC) are in clinical use. External beam radiation therapy is a relative newcomer to the portfolio of treatment options. Advances in planning and delivery of radiation therapy, developing in parallel with and inspiring changing paradigms of tumor management in the field of radiation oncology, have led to growing interest in radiation therapy as a viable treatment option for HCC as well as other liver tumors. In this review, we discuss these advances, current trends in liver radiotherapy, as well as avenues of future clinical and basic research. Liver Transplantation 24 420-427 2018 AASLD. PMID- 29205798 TI - Carotid-cavernous fistula after endovascular intervention for chronic carotid artery total occlusion. AB - BACKGROUND AND PURPOSE: In addition to head trauma and cranial surgery, endovascular intervention for chronic carotid artery occlusion (CAO) may also result in carotid-cavernous fistula (CCF). The management and prognosis of iatrogenic CCF during CAO recanalization have never been well described and discussed in the literature. MATERIALS AND METHODS: We conducted a retrospective analysis for CAO recanalization attempts in National Taiwan University Hospital and affiliated hospitals. Incidence and presentation, demographic and angiographic variables, and clinical follow-up of the development of iatrogenic CCF were carefully reviewed. RESULTS: A total of 138 consecutive de novo CAO endovascular recanalization attempts were reviewed. The technical success rate was 61.6% (85/138). Complication rate, including death, stroke, and intracranial or sub-arachnoid hemorrhage (ICH or SAH) was 4.3% (6/138). CCF developed in 11 patients (8.0%), and none resulted in death, stroke, or ICH/SAH within 30 days. Female gender and distal carotid artery reconstitution at communicating or ophthalmic segments were associated with development of CCF. Imaging follow-ups were performed in eight patients and none showed persistent CCF. CONCLUSION: CCF may develop during chronic CAO endovascular recanalization attempts. It is usually self-limited and can be managed conservatively. PMID- 29205799 TI - Interface Engineering with MoS2 -Pd Nanoparticles Hybrid Structure for a Low Voltage Resistive Switching Memory. AB - Metal oxide-based resistive random access memory (RRAM) has attracted a lot of attention for its scalability, temperature robustness, and potential to achieve machine learning. However, a thick oxide layer results in relatively high program voltage while a thin one causes large leakage current and a small window. Owing to these fundamental limitations, by optimizing the oxide layer itself a novel interface engineering idea is proposed to reduce the programming voltage, increase the uniformity and on/off ratio. According to this idea, a molybdenum disulfide (MoS2 )-palladium nanoparticles hybrid structure is used to engineer the oxide/electrode interface of hafnium oxide (HfOx )-based RRAM. Through its interface engineering, the set voltage can be greatly lowered (from -3.5 to -0.8 V) with better uniformity under a relatively thick HfOx layer (~15 nm), and a 30 times improvement of the memory window can be obtained. Moreover, due to the atomic thickness of MoS2 film and high transmittance of ITO, the proposed RRAM exhibits high transparency in visible light. As the proposed interface engineering RRAM exhibits good transparency, low SET voltage, and a large resistive switching window, it has huge potential in data storage in transparent circuits and wearable electronics with relatively low supply voltage. PMID- 29205800 TI - Cucurbitacin B acts a potential insect growth regulator by antagonizing 20 hydroxyecdysone activity. AB - BACKGROUND: 20-Hydroxyecdysone (20E), a crucial insect steroid hormone, can bind to its cognate nuclear receptor composed of ecdysone receptor (EcR) and ultraspiracle (USP) to activate expression of 20E-response genes, enabling subsequent metamorphosis. In this study, we tried to find out which steroid-like compounds can block insect metamorphosis effectively and provide useful information for biopesticide study. For this purpose, we screened 126 steroid like compounds for possible 20E antagonists using a dual-luciferase reporter assay with Drosophila melanogaster Kc and Bombyx mori Bm12 cells. RESULTS: Among 126 steroid-like compounds, three cucurbitacins (CucB, D and E) were identified as 20E antagonists in both Kc and Bm12 cells. Notably, CucB caused significant molting defects and mortality in both B. mori and D. melanogaster larvae, and dramatically hindered larval growth of Helicoverpa armigera by its anti-feeding activity. CONCLUSION: In vivo and in vitro experiments demonstrate that CucB acts as a potential insect growth regulator by antagonizing 20E activity and thus blocking molting and metamorphosis induced by 20E signaling. (c) 2017 Society of Chemical Industry. PMID- 29205801 TI - Acute Splenic Sequestration Crisis After Red Blood Cell Exchange for Acute Chest Syndrome in an Adult With Sickle beta-Thalassemia: What Went Wrong? PMID- 29205803 TI - Septal reduction therapy using nonalcohol agent in hypertrophic obstructive cardiomyopathy: Single center experience. AB - AIMS: Percutaneous septal reduction therapy by either alcohol or nonalcohol agents is an alternative approach to surgery in drug-refractory symptomatic patients with hypertrophic obstructive cardiomyopathy (HOCM). Nonalcohol agents have some advantages and disadvantages over alcohol during the procedure. Nowadays, a novel non-alcohol agent, named as Ethylene-vinyl alcohol (EVOH) copolymer (Onyx(r) and Squid(r) ), is used during septal ablation. Thus, in this study, we aimed to evaluate both acute and long-term efficacy and safety profile of EVOH during septal ablation in HOCM. METHODS AND RESULTS: A total of 25 patients (52% female; mean age: 55.8 +/- 17.1 years) with symptomatic HOCM were enrolled in the study. All subjects underwent clinical and laboratory assessment before and after the procedure. Peak left ventricular outflow tract (LVOT) gradient was significantly reduced just after the procedure (68 vs. 20 mmHg; P < 0.001). Peak serum creatine kinase-myocardial band and troponin I levels were 112 (35-282) ng/ml and 11 (4-93) ng/ml. EVOH embolization to diagonal artery was observed in 1 patient (4%) and the complete atrioventricular block was noted in 2 (8%) patients. During the 12-month follow-up, there was no mortality. There was a significant improvement in New York Heart Association functional class of the subjects P < 0.001). Both interventricular septum thickness and LVOT gradient showed a significant reduction during follow-up (P < 0.05). However, there was no reduction in the LVOT gradient of 3 patients (12%). CONCLUSIONS: In conclusion, our small-sized preliminary study results showed that septal reduction therapy using EVOH is an effective alternative option in reducing symptoms and LVOT gradient in HOCM. PMID- 29205802 TI - A two-center, assessor-blinded, prospective trial evaluating the efficacy of a novel hypertonic draining cream for cellulite reduction: A Clinical and instrumental (Antera 3D CS) assessment. AB - INTRODUCTION: Gynoid lipodystrophy, also known as cellulite, is a very common skin alteration representing mainly a cosmetic problem rather than a real disease. An effective treatment of cellulite has not been well established. The initial phase of cellulite is characterized by subdermal tissue edema with interstitial fluids retention. A new hypertonic topical product with draining action (HTC) containing NaCl 13%, escine, caffeine, and beta-sitosterol has been recently developed. A 28-day double-blind placebo-controlled study has shown that this cream is able to reduce thigh circumference and the thickness of adipose tissue. No data so far are available regarding an objective evaluation of skin appearance for a longer application period. STUDY AIM: To evaluate the clinical efficacy of 2-month HCT treatment with clinical and instrumental assessments. SUBJECTS AND METHODS: In a prospective, 2-center, assessor-blinded trial 20 women (mean age 34 years) with cellulite of Grade I-III in severity were enrolled after their informed consent. HTC was applied once daily for 60 days. Primary outcomes of the trial were the evolution of thigh circumference measurements (assessed at baseline, after 1 and 2 months) and the computer-analysis of skin profilometry (ie, skin volumes) of a prespecified target area evaluated by means of Antera 3D CS digitalized images (assessed at baseline and at the end of the trial). Secondary outcome was the orange peel severity score (from 0 to 5) before and after pitch test. RESULTS: All subjects concluded the study period. Thigh circumference was reduced by -0.88 (right)/-1.2 cm (left) and by -1.8(right)/-2.1 (left) cm, after 30 and 60 days of treatment, respectively (P = .001, Wilcoxon test vs baseline). Antera 3D profilometry of the target zone showed a significant reduction in skin depression expressed in mm3 of -56% (from 59.7 to 26.73 mm3 ) after HTC application. Orange peel (no pitch test) mean (SD) score was 2.3 (1) at baseline, 2.0 (1) and 1.8 (0.8) after 1 and 2 months (P = .0031), respectively. After-pitch orange peel score was significantly reduced after treatment (from 3.3 to 2.2). CONCLUSION: Once daily application of HTC for 2 months has confirmed its efficacy in the improvement of objective and subjective assessments of cellulite parameters.(Trial Number registration: ISRCTN15111614). PMID- 29205804 TI - A prospective cohort study assessing the appearance of retrieved aesthetic orthodontic archwires. AB - OBJECTIVES: To investigate the appearance of three esthetic nickel titanium (NiTi) wires after 6 weeks of intra-oral cycling and to determine the association between objective and subjective measures of esthetics. SETTING AND SAMPLE POPULATION: A prospective cohort study was undertaken involving participants undergoing upper fixed orthodontic appliance treatment with ceramic brackets. MATERIALS AND METHODS: Fifty participants were assigned to one of three groups of NiTi esthetic wires (American Orthodontics Ever WhiteTM, Forestadent BiocosmeticTM and GAC High AestheticTM), with wires retrieved after 6 weeks in situ. Participants completed a bespoke questionnaire exploring perceptions of wire esthetics. Objective measurement of coating loss was undertaken using a custom arch wire jig. RESULTS: American Orthodontics Ever WhiteTM had the greatest mean coating loss (50.7%) followed by Forestadent BiocosmeticTM (6%), with GAC High Aesthetic TM undergoing minimal loss (0.07%) (P < .001). The majority of coating loss with the American Orthodontics Ever WhiteTM wires arose in the anterior region while Forestadent BiocosmeticTM wires and GAC High AestheticTM wires exhibited coating loss posteriorly (P < .001). These findings were reflected in the subjective assessment with a negative correlation found between coating loss and final Visual Analogue Scale scores (P < .001). CONCLUSIONS: Considerable esthetic variation between arch wires following 6 weeks of intraoral cycling was identified in this prospective cohort study. Intraoral cycling has a negative impact on participant perception of arch wire esthetics, and objective and subjective assessment of wire esthetics appears to be consistent. PMID- 29205805 TI - Herbicide resistance costs: what are we actually measuring and why? AB - Despite the considerable research efforts invested over the years to measure the fitness costs of herbicide resistance, these have rarely been used to inform a predictive theory about the fate of resistance once the herbicide is discontinued. One reason for this may be the reductive focus on relative fitness of two genotypes as a single measure of differential performance. Although the extent of variation in relative fitness between resistant and susceptible plants has not been assessed consistently, we know enough about plant physiology and ecology not to reduce it to a single fixed value. Research must therefore consider carefully the relevance of the experimental environment, the life stage and the choice of metric when measuring fitness-related traits. The reason most often given for measuring the cost of resistance, prediction of the impacts of management options on population dynamics, cannot be addressed using arbitrary components of fitness or a fixed value of relative fitness. To inform management options, the measurement of traits that capture the relevant processes and the main causes of their variation are required. With an emphasis on the benefit of field experiments measured over multiple time points and seasons, we highlight examples of studies that have made significant advances in this direction. (c) 2017 Society of Chemical Industry. PMID- 29205807 TI - Post-operative telephone review is safe and effective: prospective study - Monash outpatient review by phone trial. AB - INTRODUCTION: Studies have shown that post-operative telephone follow-up is satisfactory and effective. As high quality evidence is scant, we conducted a randomized controlled trial to compare it against outpatient clinic review for emergency laparoscopic appendicectomy or cholecystectomy. METHOD: Patients who received emergency laparoscopic appendicectomy or cholecystectomy were eligible for this study. Once recruited, they were randomly allocated to either clinic review or telephone follow-up on discharge. Participants were reviewed at 2 weeks after operation and contacted again at 4 weeks after initial follow-up for satisfaction survey. RESULTS: One hundred and seventy-nine participants were recruited with one withdrawn consent and six excluded. Ninety-six underwent laparoscopic appendicectomy and 76 had laparoscopic cholecystectomy. Ninety-six attended clinic review and 76 had telephone follow-up. The two groups were similar in baseline variables. Non-attendance rate was higher for clinic review cohort (24% vs 6.6%, P = 0.002). Participants who received telephone review reported higher satisfaction level (9.31 vs 8.85, P = 0.002), and most patients prefer telephone follow-up (73.1%, P < 0.0001). No difference was detected for missed complications (P = 0.354). CONCLUSION: Telephone follow-up post laparoscopic appendicectomy or cholecystectomy is safe, satisfying and effective. PMID- 29205806 TI - Neuroprotection by quercetin via mitochondrial function adaptation in traumatic brain injury: PGC-1alpha pathway as a potential mechanism. AB - The aim of this study was to investigate the neuroprotective effects of quercetin in mouse models of traumatic brain injury (TBI) and the potential role of the PGC 1alpha pathway in putative neuroprotection. Wild-type mice were randomly assigned to four groups: the sham group, the TBI group, the TBI+vehicle group and the TBI+quercetin group. Quercetin, a dietary flavonoid used as a food supplement, significantly reduced TBI-induced neuronal apoptosis and ameliorated mitochondrial lesions. It significantly accelerated the translocation of PGC 1alpha protein from the cytoplasm to the nucleus. In addition, quercetin restored the level of cytochrome c, malondialdehyde and superoxide dismutase in mitochondria. Therefore, quercetin administration can potentially attenuate brain injury in a TBI model by increasing the activities of mitochondrial biogenesis via the mediation of the PGC-1alpha pathway. PMID- 29205808 TI - Self-Assembled Aptamer-Nanomedicine for Targeted Chemotherapy and Gene Therapy. AB - Chemotherapy is the mainstream treatment of anaplastic large cell lymphoma (ALCL). However, chemotherapy can cause severe adverse effects in patients because it is not ALCL-specific. In this study, a multifunctional aptamer nanomedicine (Apt-NMed) achieving targeted chemotherapy and gene therapy of ALCL is developed. Apt-NMed is formulated by self-assembly of synthetic oligonucleotides containing CD30-specific aptamer and anaplastic lymphoma kinase (ALK)-specific siRNA followed by self-loading of the chemotherapeutic drug doxorubicin (DOX). Apt-NMed exhibits a well-defined nanostructure (diameter 59 mm) and stability in human serum. Under aptamer guidance, Apt-NMed specifically binds and internalizes targeted ALCL cells. Intracellular delivery of Apt-NMed triggers rapid DOX release for targeted ALCL chemotherapy and intracellular delivery of the ALK-specific siRNA induced ALK oncogene silencing, resulting in combined therapeutic effects. Animal model studies reveal that upon systemic administration, Apt-NMed specifically targets and selectively accumulates in ALCL tumor site, but does not react with off-target tumors in the same xenograft mouse. Importantly, Apt-NMed not only induces significantly higher inhibition in ALCL tumor growth, but also causes fewer or no side effects in treated mice compared to free DOX. Moreover, Apt-NMed treatment markedly improves the survival rate of treated mice, opening a new avenue for precision treatment of ALCL. PMID- 29205809 TI - A randomised, controlled, non-inferiority trial comparing the performance of a soft silicone-coated wound contact layer (Mepitel One) with a lipidocolloid wound contact layer (UrgoTul) in the treatment of acute wounds. AB - Wound contact layer (WCL) dressings are intended to protect tissue during the healing process. A randomised controlled trial was undertaken to compare 2 such dressings. Outpatients with acute wounds were randomly allocated to treatment with either a soft silicone-coated WCL (intervention group, n = 59) or a lipidocolloid-impregnated WCL (control group, n = 62). At the first dressing removal (day 3), 89.8% of patients in the intervention group experienced non painful dressing removal (defined as a pain rating <30 mm on a 100 mm visual analogue scale), compared with 73.6% of patients in the control group (P = .017) (per protocol population). At day 21, wounds were considered as healed in 66.1% of patients in the intervention group compared with 43.5% in the control group (P = .012) (intention-to-treat population). Both dressings were well tolerated and rated highly in terms of in-use characteristics, although the soft silicone coated WCL was rated significantly higher than the lipidocolloid-impregnated WCL in terms of its ability to remain in place (P= .016). The results indicate that the soft silicone-coated WCL is suitable for the management of acute wounds as it can minimise dressing-associated pain and support healing. PMID- 29205810 TI - In Situ Synthesis of Few-Layered g-C3 N4 with Vertically Aligned MoS2 Loading for Boosting Solar-to-Hydrogen Generation. AB - In artificial photocatalytic hydrogen evolution, effective incident photon absorption and a high-charge recombination rate are crucial factors influencing the overall efficiency. Herein, a traditional solid-state synthesis is used to obtain, for the first time, novel samples of few-layered g-C3 N4 with vertically aligned MoS2 loading (MoS2 /C3 N4 ). Thiourea and layered MoO3 are chosen as precursors, as they react under nitrogen atmosphere to in situ produce the products. According to the quasi-Fourier transform infrared reflectance and X-ray diffraction measurements, the detailed reaction process is determined to proceed through the confirmed formation pathway. The two precursor units MoS2 and C3 N4 are linked by Mo?N bonds, which act as electronic receivers/conductors and hydrogen-generation sites. Density functional theory is also carried out, which determines that the interface sites act as electron-accumulation regions. According to the photoelectrochemical results, MoS2 /C3 N4 can achieve a current of 0.05 mA cm-2 , which is almost ten times higher than that of bare g-C3 N4 or the MoS2 /C3 N4 -R reference samples. The findings in the present work pave the way to not only synthesize a series of designated samples but also thoroughly understand the solid-state reaction. PMID- 29205811 TI - Prehospital analgesic choice in injured patients does not impact on rates of vomiting: Experience from a New South Wales primary retrieval service. AB - OBJECTIVE: This study aimed to explore the analgesic regimes adopted in our contemporary retrieval practice and the incidence of vomiting in ED after prehospital analgesic use. METHOD: A retrospective review was conducted on trauma patients retrieved by the Hunter Primary Retrieval Service in the Hunter New England Local Health District, New South Wales, Australia, during 2015. RESULTS: Of the 379 patients attended by the service in 2015, 196 of them (mean age 38.6, SD 19.68, years) were selected for this review. Morphine was the most commonly used analgesic (mean 68.37%; 95% CI 61.36-74.81%), followed by fentanyl (mean 48.47%; 95% CI 41.29-55.70%) and ketamine (mean 34.18%; 95% CI 27.57-41.28%). Fourteen (7.14%, 95% CI 3.96-11.69%) patients vomited either prehospital or within the ED. Patients in both the emesis and the non-emesis group were comparable in demographics. None of the three studied analgesics were observed to be significantly associated with higher risk of vomiting than the others in this review, although a higher dose of fentanyl was given to the non-emesis group (P = 0.04). CONCLUSIONS: The frequency of vomiting in the retrieved patients observed in our study was less than previously reported in the literature. Opioids still prevailed over ketamine as the preferred initial analgesic, with ketamine most commonly used as an adjunct. Multi-centre trials in this field would be preferable in future in view of the relatively low incidence of vomiting in retrieved trauma patients. PMID- 29205812 TI - Cu2+ -Modified Metal-Organic Framework Nanoparticles: A Peroxidase-Mimicking Nanoenzyme. AB - The synthesis and characterization of UiO-type metal-organic framework nanoparticles (NMOFs) composed of Zr4+ ions bridged by 2,2'-bipyridine-5,5' dicarboxylic acid ligands and the postmodification of the NMOFs with Cu2+ ions are described. The resulting Cu2+ -modified NMOFs, Cu2+ -NMOFs, exhibit peroxidase-like catalytic activities reflected by the catalyzed oxidation of Amplex-Red to the fluorescent Resorufin by H2 O2 , the catalyzed oxidation of dopamine to aminochrome by H2 O2 , and the catalyzed generation of chemiluminescence in the presence of luminol/H2 O2 . Also, the Cu2+ -NMOFs mimic NADH peroxidase functions and catalyze the oxidation of dihydronicotinamide adenine dinucleotide, NADH, to nicotinamide adenine dinucleotide, NAD+ , in the presence of H2 O2 . The Cu2+ -NMOFs-catalyzed generation of chemiluminescence in the presence of luminol/H2 O2 is used to develop a glucose sensor by monitoring the H2 O2 formed by the aerobic oxidation of glucose to gluconic acid in the presence of glucose oxidase. Furthermore, loading the Cu2+ -NMOFs with fluorescein and activating the catalyzed generation of chemiluminescence in the presence of luminol/H2 O2 yield an efficient chemiluminescence resonance energy transfer (CRET) process to the fluorescein reflected by the activation of the fluorescence of the dye (lambda = 520 nm, CRET efficiency 35%). PMID- 29205813 TI - High-Throughput Block Optical DNA Sequence Identification. AB - Optical techniques for molecular diagnostics or DNA sequencing generally rely on small molecule fluorescent labels, which utilize light with a wavelength of several hundred nanometers for detection. Developing a label-free optical DNA sequencing technique will require nanoscale focusing of light, a high-throughput and multiplexed identification method, and a data compression technique to rapidly identify sequences and analyze genomic heterogeneity for big datasets. Such a method should identify characteristic molecular vibrations using optical spectroscopy, especially in the "fingerprinting region" from ~400-1400 cm-1 . Here, surface-enhanced Raman spectroscopy is used to demonstrate label-free identification of DNA nucleobases with multiplexed 3D plasmonic nanofocusing. While nanometer-scale mode volumes prevent identification of single nucleobases within a DNA sequence, the block optical technique can identify A, T, G, and C content in DNA k-mers. The content of each nucleotide in a DNA block can be a unique and high-throughput method for identifying sequences, genes, and other biomarkers as an alternative to single-letter sequencing. Additionally, coupling two complementary vibrational spectroscopy techniques (infrared and Raman) can improve block characterization. These results pave the way for developing a novel, high-throughput block optical sequencing method with lossy genomic data compression using k-mer identification from multiplexed optical data acquisition. PMID- 29205814 TI - Immediate effect and safety of HIFU single treatment for male subcutaneous fat reduction. AB - BACKGROUND: The increasing search for procedures for fat reduction is related to dissatisfaction with body shape. High-intensity focused ultrasound (HIFU) has been proven effective in body sculpting when used noninvasively to reduce subcutaneous fat and improve body contour. AIMS: This study aimed to evaluate the immediate effect and safety of HIFU single treatment for male localized fat and body remodeling. PATIENTS/METHODS: Twenty-four male subjects (18 to 59 years old) with BMI <= 30 kg/cm2 and at least 2 cm of abdominal fat received a single HIFU treatment session. Individuals were subjected to abdominal measurements before and after procedure. In addition, biochemical analyses of blood samples were performed to assess possible inflammatory effects or oxidative stress induction by the treatment. RESULTS: High-intensity focused ultrasound was found to be an effective treatment in reducing localized adiposities in the abdominal region. A significant decrease (0.6%) was observed in infraumbilical circumference of subjects submitted to HIFU single treatment when compared with control subjects. The laboratory parameters did not present any appreciable changes. CONCLUSION: This study further strengthens the current view that HIFU is an effective and safe tool for localized fat reduction. PMID- 29205815 TI - Advocating a need for suitable breeding approaches to boost integrated pest management: a European perspective. AB - Currently, European farmers do not have access to sufficient numbers and diversity of crop species/varieties. This prevents them from designing cropping systems more resilient to abiotic and biotic stresses. Crop diversification is a key lever to reduce pest (pathogens, animal pests and weeds) pressures at all spatial levels from fields to landscapes. In this context, plant breeding should consist of: (1) increased efforts in the development of new or minor crop varieties to foster diversity in cropping systems, and (2) focus on more resilient varieties showing local adaptation. This new breeding paradigm, called here 'breeding for integrated pest management (IPM)', may boost IPM through the development of cultivars with tolerance or resistance to key pests, with the goal of reducing reliance on conventional pesticides. At the same time, this paradigm has legal and practical implications for future breeding programs, including those targeting sustainable agricultural systems. By putting these issues into the context, this article presents the key outcomes of a questionnaire survey and experts' views expressed during an EU workshop entitled 'Breeding for IPM in sustainable agricultural systems'. (c) 2017 Society of Chemical Industry. PMID- 29205816 TI - In Situ Probing of the Particle-Mediated Mechanism of WO3 -Networked Structures Grown inside Confined Mesoporous Channels. AB - Nanocasting, using ordered mesoporous silica or carbon as a hard template, has enormous potential for preparing novel mesoporous materials with new structures and compositions. Although a variety of mesoporous materials have been synthesized in recent years, the growth mechanism of nanostructures in a confined space, such as mesoporous channels, is not well understood, which hampers the controlled synthesis and further application of mesoporous materials. Here, the nucleation and growth of WO3 -networked mesostructures within an ordered mesoporous matrix, using an in situ transmission electron microscopy heating technique and in situ synchrotron small-angle X-ray scattering spectroscopy, are probed. It is found that the formation of WO3 mesostructures involves a particle mediated transformation and coalescence mechanism. The liquid-like particle mediated aggregation and mesoscale transformation process can occur in ~10 nm confined mesoporous channels, which is completely unexpected. The detailed mechanistic study will be of great help for experimental design and to exploit a variety of mesoporous materials for diverse applications, such as catalysis, absorption, separation, energy storage, biomedicine, and nanooptics. PMID- 29205817 TI - Electron Holographic Study of Semiconductor Light-Emitting Diodes. AB - Semiconductor light-emitting diodes (LEDs), especially GaN-based heterostructures, are widely used in light illumination. The lack of inversion symmetry of wurtzite crystal structures and the lattice mismatch at heterointerfaces cause large polarization fields with contributions from both spontaneous polarization and piezoelectric polarization, which in turn results in obvious quantum confined stark effect. It is possible to alleviate this effect if the local electrostatic fields and band alignment induced charge redistribution can be quantitatively determined across the heterostructures. In this Concept, the applications of electron holography to investigate semiconductor LEDs are summarized. Following the off-axis electron holography scheme, the GaN-based LED heterostructures including InGaN/GaN-based quantum wells, other GaN-based quantum wells, and other forms of GaN-based LED materials are discussed, focusing on the local potential drops, polarization fields, and charge distributions. Moreover, GaAs-based LED heterostructures are briefly discussed. The in-line electron holography scheme emphasizes the capability of large area strain mapping across LED heterostructures with high spatial resolution and accuracy, which is combined with quantitative electrostatic measurements and other advanced transmission electron microscopy characterizations to provide an overall nanometer scale perspective of LED devices for further improvement in their electric and optical properties. PMID- 29205818 TI - Ultrathin Nanosheet Assembled Sn0.91 Co0.19 S2 Nanocages with Exposed (100) Facets for High-Performance Lithium-Ion Batteries. AB - Ultrathin 2D inorganic nanomaterials are good candidates for lithium-ion batteries, as well as the micro/nanocage structures with unique and tunable morphologies. Meanwhile, as a cost-effective method, chemical doping plays a vital role in manipulating physical and chemical properties of metal oxides and sulfides. Thus, the design of ultrathin, hollow, and chemical doped metal sulfides shows great promise for the application of Li-ion batteries by shortening the diffusion pathway of Li ions as well as minimizing the electrode volume change. Herein, ultrathin nanosheet assembled Sn0.91 Co0.19 S2 nanocages with exposed (100) facets are first synthesized. The as-prepared electrode delivers an excellent discharge capacity of 809 mA h g-1 at a current density of 100 mA g-1 with a 91% retention after 60 discharge-charge cycles. The electrochemical performance reveals that the Li-ion batteries prepared by Sn0.91 Co0.19 S2 nanocages have high capacity and great cycling stability. PMID- 29205819 TI - Natural variation of hormone levels in Arabidopsis roots and correlations with complex root architecture. AB - Studies on natural variation are an important tool to unravel the genetic basis of quantitative traits in plants. Despite the significant roles of phytohormones in plant development, including root architecture, hardly any studies have been done to investigate natural variation in endogenous hormone levels in plants. Therefore, in the present study a range of hormones were quantified in root extracts of thirteen Arabidopsis thaliana accessions using a ultra performance liquid chromatography triple quadrupole mass spectrometer. Root system architecture of the set of accessions was quantified, using a new parameter (mature root unit) for complex root systems, and correlated with the phytohormone data. Significant variations in phytohormone levels among the accessions were detected, but were remarkably small, namely less than three-fold difference between extremes. For cytokinins, relatively larger variations were found for ribosides and glucosides, as compared to the free bases. For root phenotyping, length-related traits-lateral root length and total root length-showed larger variations than lateral root number-related ones. For root architecture, antagonistic interactions between hormones, for example, indole-3-acetic acid to trans-zeatin were detected in correlation analysis. These findings provide conclusive evidence for the presence of natural variation in phytohormone levels in Arabidopsis roots, suggesting that quantitative genetic analyses are feasible. PMID- 29205821 TI - Re: Impact of pre-operative health-related quality of life on outcomes after heart surgery. PMID- 29205822 TI - Routine reporting of mammographic density from screening mammograms. PMID- 29205823 TI - Re: Laboratory Risk Indicator for Necrotizing Fasciitis score for early diagnosis of necrotizing fasciitis in Darwin. PMID- 29205824 TI - Re: How to do it: use of the Alexis wound protector as a laparostomy device. PMID- 29205825 TI - Let's make the most of the underutilized capacity of the private hospital system for educating our future surgical workforce. PMID- 29205826 TI - The World Health Organization Surgical Safety Checklist. PMID- 29205827 TI - Response to Re: Impact of pre-operative health-related quality of life on outcomes after heart surgery. PMID- 29205829 TI - Acknowledging pancreaticoduodenectomy as a multi-visceral resection. PMID- 29205830 TI - Medicine in small doses. PMID- 29205831 TI - Response to Re: Laboratory Risk Indicator for Necrotizing Fasciitis score for early diagnosis of necrotizing fasciitis in Darwin. PMID- 29205832 TI - Antipsychotic drug-induced hypoglycemia and hypothermia. AB - This case report comprises three cases of antipsychotic drug-induced hypoglycemia and hypothermia. The mechanisms behind these side-effects are not known, but in hypoglycemia we describe signs of inappropriate insulin secretion. We assume that antipsychotic drug-induced hypoglycemia and hypothermia are underdiagnosed. Antipsychotic drugs are, however, widely used and these rare adverse-effects may occur in the clinical practice. It is of utmost importance to measure blood glucose and body temperature of patients taking these drugs who have unspecific symptoms. PMID- 29205834 TI - Validation of Alcohol Flushing Questionnaires in Determining Inactive Aldehyde Dehydrogenase-2 and Its Clinical Implication in Alcohol-Related Diseases. AB - BACKGROUND: Our aim was to validate alcohol flushing questionnaires in detecting inactive ALDH2 (ALDH2*1/*2 or ALDH2*2/*2). METHODS: Two study sets were established; in study set 1, 210 healthy male subjects (age 22 to 59 years) were enrolled; in study set 2, 756 subjects were enrolled who received esophagogastroduodenoscopy to evaluate their dyspeptic symptoms or as part of a gastric cancer screening program. Subjects in study sets 1 and 2 completed the modified alcohol flushing questionnaires of Yokoyama and colleagues (, ). Polymerase chain reaction-restriction fragment length polymorphism method was used to determine ALDH2 genotype. RESULTS: In study set 1, 29.0% (61 of 210) had inactive ALDH2. The sensitivity and specificity of the modified alcohol flushing questionnaire for detecting inactive ALDH2 were 95.1 and 76.5%, respectively. Drinking problems negatively correlated with positive alcohol flushing response and inactive ALDH2 (all p-values < 0.05). In study set 2, the sensitivity and specificity of the alcohol flushing questionnaire for detecting inactive ALDH2 were 78.9 and 82.1%, respectively. Interestingly, drinking >=7 units/wk in men or >=3.5 units/wk in women significantly increased the risk of benign gastric ulcer (BGU) among positive alcohol flushers (odds ratio, 8.97; 95% confidence interval, 1.38 to 58.30), but not among negative alcohol flushers. CONCLUSIONS: Simple flushing questionnaires may be administered to the Korean population as a screening tool in detecting individuals who carry inactive ALDH2. Alcohol flushing response negatively correlates with drinking problems and can modify the risk for BGU by alcohol intake. PMID- 29205833 TI - Monocarboxylate transporter 1 and the vulnerability of oligodendrocyte lineage cells to metabolic stresses. AB - AIMS: Oligodendrocytes, especially oligodendrocyte precursor cells, are known to be sensitive to hypoxic and metabolic stresses. Vulnerability of oligodendrocytes is considered a contributing factor to white matter dysfunction. However, little is known about the energy processing characteristics of oligodendrocyte lineage cells under basal and metabolic stress conditions. The aim of this study was to identify the energy requirements and cellular responses of oligodendrocytes at different developmental stages. METHODS: We compared the metabolic stress responses between myelinating oligodendrocytes (OLs) and oligodendrocyte precursor cells (OPCs). Differential regulation of cellular response was also investigated. RESULTS: We found that, following cerebral ischemia, monocarboxylate transporter 1 (MCT1) expression was upregulated in the peri infarct striatum but not in the cortex of the brain. In vitro ischemia models were used to induce oligodendrocyte stress as well. An increase in MCT1 expression was detected in OPCs after a mild oxygen-glucose deprivation. Double labeled immunohistochemical analysis revealed that OPCs and OLs responded differently to metabolic stresses and that the susceptibility to metabolic stresses of OPCs and OLs was associated with their distinct expression profiles of MCT1. CONCLUSION: Taken together, this study shows that MCT1 plays a role in the responses of OPCs and OLs to metabolic and ischemic stresses and suggests that redistribution of energy substrates is a determinant in white matter injury. PMID- 29205835 TI - Colonoscopy conversion after flexible sigmoidoscopy screening: results from the UK Bowel Scope Screening Programme. AB - AIM: In the UK Bowel Scope Screening Programme (BSSP), patients progress to colonoscopy based on high-risk features on flexible sigmoidoscopy (FS). We aim to assess the practice of colonoscopy conversion and predictors of detection of additional adenomas on colonoscopy. METHOD: The Bowel Cancer Screening database was interrogated and collated with endoscopic and histological findings from patients undergoing colonoscopy following FS between August 2013 and August 2016. Multivariate analysis was performed to identify predictors of new adenomas. RESULTS: FS was performed on 11 711 patients, with an adenoma detection rate (ADR) of 8.5% and conversion to colonoscopy in 421 (3.6%). The additional ADR at colonoscopy was 35.2%, with one additional malignant diagnosis (0.26%). The adenoma miss rate was 3.6%. On multivariate analysis, a polyp >= 10 mm was the only high-risk indication associated with additional ADR at colonoscopy (OR 3.68, 95% CI 1.51-3.65, P < 0.001), in addition to male gender (OR 2.36, 95% CI 1.46 3.83, P < 0.001). Predictors of detection of a new adenoma >= 10 mm included: villous adenoma (P = 0.002), polyp >= 10 mm (P = 0.007) and male gender (P = 0.039). The presence of any conversion criterion was associated with the detection of any proximal adenoma (P < 0.001) and adenoma >= 10 mm (P = 0.031). CONCLUSION: Male gender, polyps >= 10 mm and villous-preponderant histology at FS were predictors of adenomas < 10 mm and >= 10 mm at colonoscopy. Further data are required to assess the role for gender-based stratification of conversion criteria. PMID- 29205836 TI - Recent Progress of Textile-Based Wearable Electronics: A Comprehensive Review of Materials, Devices, and Applications. AB - Wearable electronics are emerging as a platform for next-generation, human friendly, electronic devices. A new class of devices with various functionality and amenability for the human body is essential. These new conceptual devices are likely to be a set of various functional devices such as displays, sensors, batteries, etc., which have quite different working conditions, on or in the human body. In these aspects, electronic textiles seem to be a highly suitable possibility, due to the unique characteristics of textiles such as being light weight and flexible and their inherent warmth and the property to conform. Therefore, e-textiles have evolved into fiber-based electronic apparel or body attachable types in order to foster significant industrialization of the key components with adaptable formats. Although the advances are noteworthy, their electrical performance and device features are still unsatisfactory for consumer level e-textile systems. To solve these issues, innovative structural and material designs, and novel processing technologies have been introduced into e textile systems. Recently reported and significantly developed functional materials and devices are summarized, including their enhanced optoelectrical and mechanical properties. Furthermore, the remaining challenges are discussed, and effective strategies to facilitate the full realization of e-textile systems are suggested. PMID- 29205837 TI - COMP report: CPQR technical quality control guideline for medical linear accelerators and multileaf collimators. AB - The Canadian Organization of Medical Physicists (COMP), in close partnership with the Canadian Partnership for Quality Radiotherapy (CPQR) has developed a series of Technical Quality Control (TQC) guidelines for radiation treatment equipment. These guidelines outline the performance objectives that equipment should meet in order to ensure an acceptable level of radiation treatment quality. The TQC guidelines have been rigorously reviewed and field tested in a variety of Canadian radiation treatment facilities. The development process enables rapid review and update to keep the guidelines current with changes in technology (the most updated version of this guideline can be found on the CPQR website). This particular TQC details recommended quality control testing for medical linear accelerators and multileaf collimators. PMID- 29205838 TI - Enhanced Performance of MoS2 Photodetectors by Inserting an ALD-Processed TiO2 Interlayer. AB - 2D molybdenum disulfide (MoS2 ) possesses excellent optoelectronic properties that make it a promising candidate for use in high-performance photodetectors. Yet, to meet the growing demand for practical and reliable MoS2 photodetectors, the critical issue of defect introduction to the interface between the exfoliated MoS2 and the electrode metal during fabrication must be addressed, because defects deteriorate the device performance. To achieve this objective, the use of an atomic layer-deposited TiO2 interlayer (between exfoliated MoS2 and electrode) is reported in this work, for the first time, to enhance the performance of MoS2 photodetectors. The TiO2 interlayer is inserted through 20 atomic layer deposition cycles before depositing the electrode metal on MoS2 /SiO2 substrate, leading to significantly enhanced photoresponsivity and response speed. These results pave the way for practical applications and provide a novel direction for optimizing the interlayer material. PMID- 29205839 TI - Canine nodal marginal zone lymphoma: Descriptive insight into the biological behaviour. AB - Canine nodal marginal zone lymphoma (nMZL) is classified as an indolent lymphoma. Such lymphomas are typified by low mitotic rate and slow clinical progression. While the clinical behaviour of canine splenic MZL has been described, characterized by an indolent course and a good prognosis following splenectomy, there are no studies specifically describing nMZL. The aim of this study was to describe the clinical features of and outcome for canine nMZL. Dogs with histologically confirmed nMZL undergoing a complete staging work-up (including blood analysis, flow cytometry [FC] on lymph node [LN], peripheral blood and bone marrow, imaging, histology and immunohistochemistry on a surgically removed peripheral LN) were retrospectively enrolled. Treatment consisted of chemotherapy or chemo-immunotherapy. Endpoints were response rate (RR), time to progression (TTP) and lymphoma-specific survival (LSS). A total of 35 cases were enrolled. At diagnosis, all dogs showed generalized lymphadenopathy. One-third was systemically unwell. All dogs had stage V disease; one-third also had extranodal involvement. The LN population was mainly composed of medium-sized CD21+ cells with scant resident normal lymphocytes. Histology revealed diffuse LN involvement, referring to "late-stage" MZL. Median TTP and LSS were 149 and 259 days, respectively. Increased LDH activity and substage b were significantly associated with a shorter LSS. Dogs with nMZL may show generalized lymphadenopathy and an advanced disease stage. Overall, the outcome is poor, despite the "indolent" designation. The best treatment option still needs to be defined. PMID- 29205840 TI - Multiple-Level Porous Polymer Monoliths with Interconnected Cellular Topology Prepared by Combining Hard Sphere and Emulsion Templating for Use in Bone Tissue Engineering. AB - A combination of hard sphere and high internal phase emulsion templating gives a platform for synthesizing hierarchically porous polymers with a unique topology exhibiting interconnected spherical features on multiple levels. Polymeric spheres are fused by thermal sintering to create a 3D monolithic structure while an emulsion with a high proportion of internal phase and monomers in the continuous phase is added to the voids of the previously constructed monolith. Following polymerization of the emulsion and dissolution of the templating structure, a down-replicating topology is created with a primary level of pores as a result of fused spheres of the 3D monolithic structure, a secondary level of pores resulting from the emulsion's internal phase, and a tertiary level of interconnecting channels. Thiol-ene chemistry with divinyladipate and pentaerythritol tetrakis(3-mercaptopropionate) is used to demonstrate the preparation of a crosslinked polyester with overall porosity close to 90%. Due to multilevel porosity, such materials are interesting for applications in bone tissue engineering, possibly simulating the native sponge like bone structure. Their potential to promote ossteointegration is tested using human bone derived osteoblasts. Material-cell interactions are evaluated and they reveal growth and proliferation of osteoblasts both on surface and in the bulk of the scaffold. PMID- 29205842 TI - To review or not to review ...? PMID- 29205841 TI - Catheter-associated urinary tract infection in patients treated for acute urinary retention is common. PMID- 29205843 TI - Ageing and the economic life cycle: The National Transfer Accounts approach. AB - OBJECTIVE: To illustrate the use of National Transfer Accounts (NTA) for understanding ageing and the economic life cycle in Australia. METHODS: The NTA methodology is applied utilising a range of unit record, demographic and administrative data sets from 1981 to 2010. RESULTS: During early and later life, total consumption (public and private) is greater than labour income. On a time series and cohort basis, we show that each successive generation has improved their level of well-being (as measured by consumption) relative to the previous years or previous cohorts from 1981 to 1982 onwards. We also show a substantial increase in labour income earned by mature age workers over this period. International comparisons show Australia to have consumption and labour income age profiles very similar to those of Canada but dissimilar to many other countries, driven by differences in demographic and policy settings. CONCLUSION: The NTA approach provides a powerful framework to track differences in the economic life cycle across age groups, across time, across cohorts and across countries. PMID- 29205844 TI - 'It keeps dropping out!': The need to address the ongoing digital divide to achieve improved health and well-being benefits for older rural Australians. PMID- 29205845 TI - Private and public consumption across generations in Australia. AB - OBJECTIVE: To investigate intergenerational equity in consumption using the Australian National Transfer Accounts (NTA). METHODS: Australian NTA estimates of consumption were used to investigate disparities in consumption between people of different ages and generations in Australia between 1981-1982 and 2009-2010. RESULTS: There is a clear patterning of consumption by age, with the distribution by age of consumption funded by the private sector being very different to that of consumption funded by the public sector. Australians have achieved notable equality in total consumption among people between the ages of 20 and 75 years. Substantial disparities exist, however, between different generations, with earlier generations experiencing lower levels of total consumption in real terms at particular ages than later generations. CONCLUSION: An accurate picture of intergenerational equity in consumption requires consideration of both cohorts and cross sections, as well as consumption funded by both the public and the private sectors. PMID- 29205846 TI - Use and clinical efficacy of standard and health information technology fall risk assessment tools. AB - OBJECTIVE: To evaluate the health information technology (HIT) compared to Fall Risk for Older Persons (FROP) tool in fall risk screening. METHODS: A HIT tool trial was conducted on the geriatric evaluation and management (GEM, n = 111) and acute medical units (AMU, n = 424). RESULTS: Health information technology and FROP scores were higher on GEM versus AMU, with no differences between people who fell and people who did not fall. Both score completion rates were similar, and their values correlated marginally (Spearman's correlation coefficient 0.33, P < 0.01). HIT and FROP scores demonstrated similar sensitivity (80 vs 82%) and specificity (32 vs 36%) for detecting hospital falls. Hospital fall rates trended towards reduction on AMU (4.20 vs 6.96, P = 0.15) and increase on GEM (10.98 vs 6.52, P = 0.54) with HIT tool implementation. CONCLUSIONS: Health information technology tool acceptability and scoring were comparable to FROP screening, with mixed effects on fall rate with HIT tool implementation. Clinician partnership remains key to effective tool development. PMID- 29205847 TI - Population ageing and the labour force: 2000-2015 and 2015-2030. AB - OBJECTIVE: To examine the role of variations in mature age labour force participation on labour force outcomes over Australia's recent past (2000-2015) and immediate future (to 2030). METHODS: To estimate the impact of rises in mature age participation on observed labour supply, we utilise demographic decomposition techniques. To examine future labour supply (to 2030), we simulate scenarios utilising a cohort-component projection model. RESULTS: Observed increases in mature age participation between 2000 and 2015 added approximately 786 000 mature age workers to the Australian labour force. Over the proceeding 15 years (2015-2030), conservative changes to prevailing mature age participation would add 304 000 additional workers. The speed of ageing is projected to increase and labour supply growth decrease in the next 15 years relative to that observed from 2000 to 2015. CONCLUSION: To benefit from increased mature age labour force participation, the barriers to mature age participation must be addressed. PMID- 29205849 TI - Editorial: The microbiome as a source of new enterprises and job creation. PMID- 29205848 TI - The efficacy, biodistribution and safety of an inhibin DNA vaccine delivered by attenuated Salmonella choleraesuis. AB - DNA vaccines, the third-generation vaccines, were extensively studied. The attenuated Salmonella choleraesuis (S. choleraesuis) was widely focused as a carrier to deliver DNA vaccines in the chromosome-plasmid balanced-lethal system. The efficacy of inhibin DNA vaccine delivered by attenuated S. choleraesuis was proved in mice and cows in our previous studies. In this study, the efficacy of inhibin DNA vaccine was confirmed in rhesus monkeys. To further study the biodistribution and safety, the mice were immunized under laboratory conditions. The results of the rhesus monkeys showed the plasma IgA and IgG titres against inhibin were elevated, and the oestradiol (E2 ) and progesterone (P4 ) levels were increased with immunizing inhibin DNA vaccine. The biodistribution and safety assessment displayed the body weight, pathological change and haematology indexes where there is no significant difference between vaccinated mice and control. And the genomics analysis showed there was no integration of the inhibin gene into the mouse genome 2 months after immunization. This study indicated the inhibin DNA vaccine delivered by attenuated S. choleraesuis was safe. And this vaccine was a potential means to improve their reproductive traits in primates and other animals. PMID- 29205850 TI - OTS1-dependent deSUMOylation increases tolerance to high copper levels in Arabidopsis. AB - The conjugation of SUMO (small ubiquitin-like modifier) to protein substrates is a reversible process (SUMOylation/deSUMOylation) that regulates plant development and stress responses. The essential metal copper (Cu) is required for normal plant growth, but excess amounts are toxic. The SUMO E3 ligase, SIZ1, and SIZ1 mediated SUMOylation function in plant tolerance to excess Cu. It is unknown whether deSUMOylation also contributes to Cu tolerance in plants. Here, we report that OTS1, a protease that cleaves SUMO from its substrate proteins, participates in Cu tolerance in Arabidopsis thaliana (Arabidopsis). OTS1 loss-of-function mutants (ots1-2 and ots1-3) displayed increased sensitivity to excess Cu. Redox homeostasis and the balance between SUMOylation and deSUMOylation were disrupted in the ots1-3 mutant under excess Cu conditions. The ots1-3 mutant accumulated higher levels of Cu in both shoots and roots compared to wild type. Specific Cu related metal transporter genes were upregulated due to the loss-of-function of OTS1, which might explain the high Cu levels in ots1-3. These results suggest that the SUMOylation/deSUMOylation machinery is activated in response to excess Cu, and modulates Cu homeostasis and tolerance by regulating both Cu uptake and detoxification. Together, our findings provide insight into the biological function and regulatory role of SUMOylation/deSUMOylation in plant tolerance to Cu. PMID- 29205851 TI - Regulated Cell Death of Lymphoma Cells after Graded Mitochondrial Damage is Differentially Affected by Drugs Targeting Cell Stress Responses. AB - Collapse of the mitochondrial membrane potential (MMP) is often considered the initiation of regulated cell death (RCD). Carbonyl cyanide 3 chlorophenylhydrazone (CCCP) is an uncoupler of the electron transport chain (ETC) that facilitates the translocation of protons into the mitochondrial matrix leading to the collapse of the MMP. Several cell stress responses such as mitophagy, mitochondrial biogenesis and the ubiquitin proteasome system may differentially contribute to restrain the initiation of RCD depending on the extent of mitochondrial damage. We induced graded mitochondrial damage after collapse of MMP with the mitochondrial uncoupler CCCP in Burkitt's lymphoma cells, and we evaluated the effect of several drugs targeting cell stress responses over RCD at 72 hr, using a multiparametric flow cytometry approach. CCCP caused collapse of MMP after 30 min., massive mitochondrial fission, oxidative stress and increased mitophagy within the 5-15 MUM low-dose range (LDR) of CCCP. Within the 20-50 MUM high-dose range (HDR), CCCP caused lysosomal destabilization and rupture, thus precluding mitophagy and autophagy. Cell death after 72 hr was below 20%, with increased mitochondrial mass (MM). The inhibitors of mitophagy 3-(2,4-dichloro-5-methoxyphenyl)-2,3-dihydro-2-thioxo-4(1H) quinazolinone (Mdivi-1) and vincristine (VCR) increased cell death from CCCP within the LDR, while valproic acid (an inducer of mitochondrial biogenesis) also increased MM and cell death within the LDR. The proteasome inhibitor, MG132, increased cell death only in the HDR. Doxycycline, an antibiotic that disrupts mitochondrial biogenesis, had no effect on cell survival, while iodoacetamide, an inhibitor of glycolysis, increased cell death at the HDR. We conclude that mitophagy influenced RCD of lymphoma cells after MMP collapse by CCCP only within the LDR, while proteasome activity and glycolysis contributed to survival in the HDR under extensive mitochondria and lysosome damage. PMID- 29205852 TI - Glycyrrhetinic Acid Functionalized Graphene Oxide for Mitochondria Targeting and Cancer Treatment In Vivo. AB - Mitochondria-mediated apoptosis (MMA) is a preferential option for cancer therapy due to the presence of cell-suicide factors in mitochondria, however, low permeability of mitochondria is a bottleneck for targeting drug delivery. In this paper, glycyrrhetinic acid (GA), a natural product from Glycyrrhiza glabra, is found to be a novel mitochondria targeting ligand, which can improve mitochondrial permeability and enhance the drug uptake of mitochondria. GA functionalized graphene oxide (GO) is prepared and used as an effective carrier for targeted delivery of doxorubicin into mitochondria. The detailed in vitro and in vivo mechanism study shows that GA-functionalized GO causes a decrease in mitochondrial membrane potential and activates the MMA pathway. The GA functionalized drug delivery system demonstrates highly improved apoptosis induction ability and anticancer efficacy compared to the non-GA-functionalized nanocarrier delivery system. The GA-functionalized nanocarrier also shows low toxicity, suggesting that it can be a useful tool for drug delivery. PMID- 29205853 TI - Comparative Study of In Situ Loaded Antibody and PEG-Fab NIPAAM Gels. AB - Hydrogels can potentially prolong the release of a therapeutic protein, especially to treat blinding conditions. One challenge is to ensure that the protein and hydrogel are intimately mixed by better protein entanglement within the hydrogel. N-isopropylacrylamide (NIPAAM) gels are optimized with poly(ethylene glycol) diacrylate (PEDGA) crosslinker in the presence of either bevacizumab or PEG conjugated ranibizumab (PEG10 -Fabrani ). The release profiles of the hydrogels are evaluated using an outflow model of the eye, which is previously validated for human clearance of proteins. Release kinetics of in situ loaded bevacizumab-NIPAAM gels displays a prolonged bimodal release profile in phosphate buffered saline compared to bevacizumab loaded into a preformed NIPAAM gel. Bevacizumab release in simulated vitreous from in situ loaded gels is similar to bevacizumab control indicating that diffusion through the vitreous rather than from the gel is rate limiting. Ranibizumab is site-specifically PEGylated by disulfide rebridging conjugation. Prolonged and continuous release is observed with the in situ loaded PEG10 -Fabrani -NIPAAM gels compared to PEG10 -Fabrani injection (control). Compared to an unmodified protein, there is better mixing due to PEG entanglement and compatibility of PEG10 -Fabrani within the NIPAAM-PEDGA hydrogel. These encouraging results suggest that the extended release of PEGylated proteins in the vitreous can be achieved using injectable hydrogels. PMID- 29205854 TI - Quality evaluation of Eucommiae Cortex processed by different methods and "sweating" conditions based on simultaneous determination of multiple bioactive constituents combined with gray relational analysis. AB - Eucommiae Cortex is a classical traditional Chinese medicine, which needs to be processed by "sweating" methods. To select the suitable processing method and "sweating" processing condition for Eucommiae Cortex, in this study, the quality of Eucommiae Cortex was evaluated based on simultaneous determination of multiple bioactive constituents combined with gray relational analysis. The contents of lignans, iridoids, penylpropanoids, flavonoids, and phenols in samples were simultaneously determined using ultra-fast performance liquid chromatography coupled with triple quadrupole-linear ion trap tandem mass spectrometry. The chromatographic separation was performed on a Synergi? Hydro-RP 100 A column (100 mm * 2.0 mm, 2.5 MUm) at 30 degrees C with a gradient elution of acetonitrile with 0.1% formic acid/0.1% aqueous formic acid as the mobile phase. Furthermore, gray relational analysis was performed to evaluate and sort the samples according to the contents of 14 constituents by calculating the relative correlation degree of each sample. The results demonstrated that the quality of Eucommiae Cortex "sweating" at source area was better and the better "sweating" condition was to scrape off the cork layer before "sweating" with straw covering and sun drying. The developed method could provide the foundation and support for "sweating" processing method of Eucommiae Cortex in normalization and standardization. PMID- 29205856 TI - Use and effectiveness of a fixed-ratio combination of insulin degludec/liraglutide (IDegLira) in a real-world population with type 2 diabetes: Results from a European, multicentre, retrospective chart review study. AB - AIMS: To describe the real-world use and effectiveness of IDegLira, a fixed-ratio combination of the basal insulin degludec, and the glucagon-like peptide-1 receptor agonist (GLP-1RA) liraglutide. MATERIALS AND METHODS: This European, multicentre, retrospective chart review comprised adults (n = 611) with type 2 diabetes, who started IDegLira >=6 months before data collection. Clinical characteristics were assessed at baseline (defined as the most recent recording during the 6 months before the first IDegLira prescription) and 3, 6, 9 and 12 months (+/- 45 days for each time point) after commencing IDegLira, where data were available. RESULTS: Baseline regimens included non-injectable medications (19%), basal insulin (19%), GLP-1RA (10%), free combination therapy (insulin/GLP 1RA, 24%) and multiple daily-dose insulin injections (MDI, 28%), all +/- oral antidiabetic drugs. After 6 months, significant glycated haemoglobin (HbA1c) reductions were observed in patients overall and in all subgroups (-10 mmol/mol [ 0.9%] overall; P < .0001), and a significant reduction in mean body weight (-0.7 kg; P < .05) was observed in patients overall and in patients receiving MDI (-2.4 kg; P < .0001). The mean IDegLira dose was 22, 30 and 32 dose steps at initiation, and at 6 and 12 months follow-up, respectively. In total, only 67 patients reached the maximum 50 dose steps, with most coming from the free combination therapy (n = 31) or MDI (n = 15) baseline regimen groups. Hypoglycaemia rates were reduced by 82% (rate ratio 0.18; P < .0001) in the 6 month period after vs before IDegLira initiation. Overall, a total of 12 patients experienced 15 events in the 6 months after IDegLira initiation. CONCLUSION: In real-world practice, after 6 months and at a moderate dose, IDegLira resulted in substantial reductions in HbA1c and body weight, with a reduced risk of hypoglycaemia. PMID- 29205857 TI - Bionomics of livestock-associated Culicoides (biting midge) bluetongue virus vectors under laboratory conditions. AB - This research contributes to knowledge of the basic bionomic parameters of vector and non-vector Culicoides species. Field-collected gravid C. imicola and Obsoletus complex showed the longest lifespans in laboratory conditions. Culicoides paolae and C. circumscriptus seemed to be the most suitable species for laboratory rearing in view of their high oviposition rates, short lifecycles, long adult lifespans and female-biased sex ratios. PMID- 29205855 TI - Multilevel factors are associated with immunosuppressant nonadherence in heart transplant recipients: The international BRIGHT study. AB - Factors at the level of family/healthcare worker, organization, and system are neglected in medication nonadherence research in heart transplantation (HTx). The 4-continent, 11-country cross-sectional Building Research Initiative Group: Chronic Illness Management and Adherence in Transplantation (BRIGHT) study used multistaged sampling to examine 36 HTx centers, including 36 HTx directors, 100 clinicians, and 1397 patients. Nonadherence to immunosuppressants-defined as any deviation in taking or timing adherence and/or dose reduction-was assessed using the Basel Assessment of Adherence to Immunosuppressive Medications Scale(c) (BAASIS(c) ) interview. Guided by the Integrative Model of Behavioral Prediction and Bronfenbrenner's ecological model, we analyzed factors at these multiple levels using sequential logistic regression analysis (6 blocks). The nonadherence prevalence was 34.1%. Six multilevel factors were associated independently (either positively or negatively) with nonadherence: patient level: barriers to taking immunosuppressants (odds ratio [OR]: 11.48); smoking (OR: 2.19); family/healthcare provider level: frequency of having someone to help patients read health-related materials (OR: 0.85); organization level: clinicians reporting nonadherent patients were targeted with adherence interventions (OR: 0.66); pickup of medications at physician's office (OR: 2.31); and policy level: monthly out-of-pocket costs for medication (OR: 1.16). Factors associated with nonadherence are evident at multiple levels. Improving medication nonadherence requires addressing not only the patient, but also family/healthcare provider, organization, and policy levels. PMID- 29205858 TI - Foot-and-mouth disease virus transmission dynamics and persistence in a herd of vaccinated dairy cattle in India. AB - Foot-and-mouth disease (FMD) is an important transboundary disease with substantial economic impacts. Although between-herd transmission of the disease has been well studied, studies focusing on within-herd transmission using farm level outbreak data are rare. The aim of this study was to estimate parameters associated with within-herd transmission, host physiological factors and FMD virus (FMDV) persistence using data collected from an outbreak that occurred at a large, organized dairy farm in India. Of 1,836 regularly vaccinated, adult dairy cattle, 222 had clinical signs of FMD over a 39-day period. Assuming homogenous mixing, a frequency-dependent compartmental model of disease transmission was built. The transmission coefficient and basic reproductive number were estimated to be between 16.2-18.4 and 67-88, respectively. Non-pregnant animals were more likely to manifest clinical signs of FMD as compared to pregnant cattle. Based on oropharyngeal fluid (probang) sampling and FMDV-specific RT-PCR, four of 36 longitudinally sampled animals (14%) were persistently infected carriers 10.5 months post-outbreak. There was no statistical difference between subclinical and clinically infected animals in the duration of the carrier state. However, prevalence of NSP-ELISA antibodies differed significantly between subclinical and clinically infected animals 12 months after the outbreak with 83% seroprevalence amongst clinically infected cattle compared to 69% of subclinical animals. This study further elucidates within-herd FMD transmission dynamics during the acute phase and characterizes duration of FMDV persistence and seroprevalence of FMD under natural conditions in an endemic setting. PMID- 29205859 TI - A Monodispersed Spherical Zr-Based Metal-Organic Framework Catalyst, Pt/Au@Pd@UIO 66, Comprising an Au@Pd Core-Shell Encapsulated in a UIO-66 Center and Its Highly Selective CO2 Hydrogenation to Produce CO. AB - A Zr-based metal-organic framework (MOF) catalyst, Pt/Au@Pd@UIO-66, is assembled, where UIO-66 is Zr6 O4 (OH)4 (BDC)6 (BDC = 1,4-benzenedicarboxylate). The gold nanoparticles (NPs) act as the core for the epitaxial growth of Pd shells, and the core-shell monodispersed nanosphere Au@Pd is encapsulated into UIO-66 to control its morphology and impart nanoparticle functionality. The microporous nature of UIO-66 assists the adsorption of Pt NPs, which in turn enhances the interaction between NPs and UIO-66, favoring the formation of isolated and well dispersed Pt NP active sites. This MOF exhibits high catalytic activity and CO product selectivity for the reverse-water-gas-shift reaction in a fixed-bed flow reactor. PMID- 29205860 TI - Contrasting patterns of variation in weedy traits and unique crop features in divergent populations of US weedy rice (Oryza sativa sp.) in Arkansas and California. AB - BACKGROUND: Weed evolution from crops involves changes in key traits, but it is unclear how genetic and phenotypic variation contribute to weed diversification and productivity. Weedy rice is a conspecific weed of rice (Oryza sativa) worldwide. We used principal component analysis and hierarchical clustering to understand how morphologically and evolutionarily distinct US weedy rice populations persist in rice fields in different locations under contrasting management regimes. Further, we used a representative subset of 15 sequence tagged site fragments of expressed genes from global Oryza to assess genome-wide sequence variation among populations. RESULTS: Crop hull color and crop overlapping maturity dates plus awns, seed (panicle) shattering (> 50%), pigmented pericarp and stature variation (30.2% of total phenotypic variance) characterize genetically less diverse California weedy rice. By contrast, wild like hull color, seed shattering (> 50%) and stature differences (55.8% of total phenotypic variance) typify genetically diverse weedy rice ecotypes in Arkansas. CONCLUSION: Recent de-domestication of weedy species - such as in California weedy rice - can involve trait combinations indistinguishable from the crop. This underscores the need for strict seed certification with genetic monitoring and proactive field inspection to prevent proliferation of weedy plant types. In established populations, tillage practice may affect weed diversity and persistence over time. (c) 2017 Society of Chemical Industry. PMID- 29205861 TI - Establishing an indicator rate for computed tomography pulmonary angiography positivity (yield) in emergency department pulmonary embolism investigation. PMID- 29205862 TI - Determination of the transformation of ginsenosides in Ginseng Radix et Rhizoma during decoction with water using ultra-fast liquid chromatography coupled with tandem mass spectrometry. AB - This study was conducted to determine the variations of ginsenosides in Ginseng Radix et Rhizoma when using different preparation solvents and explore the major factors for changes. With an established ultra-fast liquid chromatography coupled with tandem mass spectrometry method which could quantify 52 ginsenosides, the extraction differences were characterized and compared using different solvents (water, 70% aqueous ethanol, and ethanol). Subsequently, a series of aqueous solutions with different pH were prepared to test the influence of pH to the changes of ginsenosides. Meanwhile, acetic acid and aspartic acid were used to verify whether the reaction had a relationship with the kind of acids. After refluxing with water, not only highly polar ginsenosides were extracted, some less polar ginsenosides such as ginsenoside Rg3 , Rg5 , Rk1 , and Rh2 occurred or increased rapidly. Further experiments indicated that less polar ginsenosides were easier to generate at low pH values, and the reaction was only related to pH other than what kind of acids were used. It is the first time to elaborate the contents variation of 52 ginsenosides when using different extraction methods. The results indicated that decoction with water could enhance the transformation of highly polar ginsenosides to less polar ginsenosides and the process was pH dependent. PMID- 29205863 TI - (-)-Epicatechin and the Colonic 2,3-Dihydroxybenzoic Acid Metabolite Regulate Glucose Uptake, Glucose Production, and Improve Insulin Signaling in Renal NRK 52E Cells. AB - SCOPE: (-)-Epicatechin (EC) and main colonic phenolic acids derived from flavonoid intake, such as 2,3-dihydroxybenzoic acid (DHBA), 3,4 dihydroxyphenylacetic acid (DHPAA), 3-hydroxyphenylpropionic acid (HPPA), and vanillic acid (VA), have been suggested to exert beneficial effects in diabetes, although the mechanism for their actions remains unknown. In this study, the modulation of glucose homeostasis and insulin signaling by the mentioned compounds on renal proximal tubular NRK-52E cells is investigated. METHODS AND RESULTS: Levels of the glucose transporters SGLT-2 and GLUT-2, as well as glucose uptake, glucose production, and key proteins of the insulin pathways, namely insulin receptor (IR), insulin receptor substrate-1 (IRS-1), and PI3K/AKT pathway are analyzed. EC (5-20 MUm) and DHBA (20 MUm) reduced both renal glucose uptake and production. Interestingly, EC and DHBA did not modify the levels of SGLT-2 and GLUT-2, and modulated the expression of phosphoenolpyruvate carboxykinase via AKT leading to a diminished glucose production. EC and DHBA also enhanced the tyrosine phosphorylation and total IR and IRS-1 levels, and activated the PI3K/AKT pathway in NRK-52E cells. CONCLUSION: EC and DHBA regulate the renal glucose homeostasis by modulating both glucose uptake and production, and strengthen the insulin signaling by activating key proteins of that pathway in NRK-52E cells. PMID- 29205864 TI - A bifunctional cellulase-xylanase of a new Chryseobacterium strain isolated from the dung of a straw-fed cattle. AB - A new cellulolytic strain of Chryseobacterium genus was screened from the dung of a cattle fed with cereal straw. A putative cellulase gene (cbGH5) belonging to glycoside hydrolase family 5 subfamily 46 (GH5_46) was identified and cloned by degenerate PCR plus genome walking. The CbGH5 protein was overexpressed in Pichia pastoris, purified and characterized. It is the first bifunctional cellulase xylanase reported in GH5_46 as well as in Chryseobacterium genus. The enzyme showed an endoglucanase activity on carboxymethylcellulose of 3237 MUmol min-1 mg-1 at pH 9, 90 degrees C and a xylanase activity on birchwood xylan of 1793 MUmol min-1 mg-1 at pH 8, 90 degrees C. The activity level and thermophilicity are in the front rank of all the known cellulases and xylanases. Core hydrophobicity had a positive effect on the thermophilicity of this enzyme. When similar quantity of enzymatic activity units was applied on the straws of wheat, rice, corn and oilseed rape, CbGH5 could obtain 3.5-5.0* glucose and 1.2-1.8* xylose than a mixed commercial cellulase plus xylanase of Novozymes. When applied on spent mushroom substrates made from the four straws, CbGH5 could obtain 9.2 15.7* glucose and 3.5-4.3* xylose than the mixed Novozymes cellulase+xylanase. The results suggest that CbGH5 could be a promising candidate for industrial lignocellulosic biomass conversion. PMID- 29205865 TI - Estimated incidence of influenza-associated severe acute respiratory infections in Indonesia, 2013-2016. AB - BACKGROUND: Indonesia's hospital-based Severe Acute Respiratory Infection (SARI) surveillance system, Surveilans Infeksi Saluran Pernafasan Akut Berat Indonesia (SIBI), was established in 2013. While respiratory illnesses such as SARI pose a significant problem, there are limited incidence-based data on influenza disease burden in Indonesia. This study aimed to estimate the incidence of influenza associated SARI in Indonesia during 2013-2016 at three existing SIBI surveillance sites. METHODS: From May 2013 to April 2016, inpatients from sentinel hospitals in three districts of Indonesia (Gunung Kidul, Balikpapan, Deli Serdang) were screened for SARI. Respiratory specimens were collected from eligible inpatients and screened for influenza viruses. Annual incidence rates were calculated using these SIBI-enrolled influenza-positive SARI cases as a numerator, with a denominator catchment population defined through hospital admission survey (HAS) to identify respiratory-coded admissions by age to hospitals in the sentinel site districts. RESULTS: From May 2013 to April 2016, there were 1527 SARI cases enrolled, of whom 1392 (91%) had specimens tested and 199 (14%) were influenza positive. The overall estimated annual incidence of influenza-associated SARI ranged from 13 to 19 per 100 000 population. Incidence was highest in children aged 0-4 years (82-114 per 100 000 population), followed by children 5-14 years (22-36 per 100 000 population). CONCLUSIONS: Incidence rates of influenza associated SARI in these districts indicate a substantial burden of influenza hospitalizations in young children in Indonesia. Further studies are needed to examine the influenza burden in other potential risk groups such as pregnant women and the elderly. PMID- 29205867 TI - Nanomotion Detection Method for Testing Antibiotic Resistance and Susceptibility of Slow-Growing Bacteria. AB - Infectious diseases are caused by pathogenic microorganisms and are often severe. Time to fully characterize an infectious agent after sampling and to find the right antibiotic and dose are important factors in the overall success of a patient's treatment. Previous results suggest that a nanomotion detection method could be a convenient tool for reducing antibiotic sensitivity characterization time to several hours. Here, the application of the method for slow-growing bacteria is demonstrated, taking Bordetella pertussis strains as a model. A low cost nanomotion device is able to characterize B. pertussis sensitivity against specific antibiotics within several hours, instead of days, as it is still the case with conventional growth-based techniques. It can discriminate between resistant and susceptible B. pertussis strains, based on the changes of the sensor's signal before and after the antibiotic addition. Furthermore, minimum inhibitory and bactericidal concentrations of clinically applied antibiotics are compared using both techniques and the suggested similarity is discussed. PMID- 29205866 TI - Clinical features and outcome of lymphoma patients with pre-existing autoimmune diseases. AB - AIMS: Previous epidemiological studies have shown that autoimmune diseases increase the risk of lymphoma development. However, whether autoimmune diseases deteriorate the outcomes for lymphoma patients remains unclear. This study aimed to identify the clinical features of lymphoma patients with pre-existing autoimmune diseases. Whether pre-existing autoimmune diseases impacted progression-free survival (PFS) and overall survival (OS) in lymphoma patients was further investigated. METHODS: We retrospectively reviewed medical records of 913 newly diagnosed lymphoma patients from January 2008 to November 2016. Thirty four lymphoma patients with pre-existing autoimmune disorders were identified. Six of these 34 patients were lost to follow-up; their data was used to examine baseline clinical characteristics but not survival. Therefore, 28 lymphoma patients with autoimmune diseases were included in the autoimmune disease group for comparing the remission rate, PFS and OS to lymphoma patients without autoimmune diseases (control group; n = 56). RESULTS: Diffuse large B-cell lymphoma was the most common histological subtype (18/34; 52.94%). Complete remission rates in the autoimmune disease and control groups were 72.0% and 83.3%, respectively (P = 0.178). Patients with and without autoimmune diseases had similar PFS (45.4 +/- 59.9 months vs. 51.5 +/- 42.8 months; P = 0.398) and OS (46.4 +/- 52.6 months vs. 50.1 +/- 47.3 months; P = 0.352). By univariate analysis, pre-existing autoimmune diseases were not associated with inferior PFS (P = 0.326) or OS (P = 0.627). CONCLUSIONS: Lymphoma patients with and without autoimmune disorders had comparable outcomes. Autoimmune diseases are not an obstacle to lymphoma treatment. PMID- 29205868 TI - Ficoll-hypaque separation vs whole blood lysis: Comparison of efficiency and impact on minimal residual disease analysis. AB - INTRODUCTION: The high-throughput era remarkably changed molecular laboratory practice. Actually, the increasing number of processed samples requires to reduce the risk of operator biases, by automating or simplifying as much as possible both the analytical and the pre-analytical phases. Minimal residual disease (MRD) studies in hematology often require a simultaneous processing of many bone marrow and peripheral blood samples from patients enrolled in prospective, multicenter, clinical trials, monitored at several planned time points. METHODS: In this study, we demonstrate that red blood cell lysis (RBL) pre-analytical procedure can replace the time-consuming Ficoll stratification as cell recovering step. Here, we show a MRD comparison study using both total white blood cells and mononuclear cells recovered by the 2 procedures from 46 follicular lymphoma (FL), 15 multiple myeloma (MM), and 11 mantle cell lymphoma (MCL) patients enrolled in prospective clinical trials. RESULTS: The experiments were performed in the 4 laboratories of the Fondazione Italiana Linfomi (FIL) MRD Network and showed superimposable results, in terms of good correlation (R = 0.87) of the MRD data obtained by recovering blood cells by the 2 approaches. CONCLUSION: Based on these results, the FIL MRD Network suggests to optimize the pre-analytical phases introducing RBL approach for cell recovery in the clinical trials including MRD analysis. PMID- 29205869 TI - A simple approach to prepare a sulfone-embedded stationary phase for HPLC. AB - In the present study, a polar-embedded reversed-phase liquid chromatographic stationary phase that contained internal sulfone groups was prepared. The synthesis involved the "thiol-ene" click chemistry between the vinyl functionalized silica and 1-octadecanethiol, followed by the oxidization of sulfide to sulfone groups. The resulting material simultaneously possessed the alkyl chain, i.e. C18, and the internal sulfone groups. Elemental analysis demonstrates that the element contents of the C18/sulfone silica were C 8.94%, H 1.87% and S 0.66%. Chromatographic evaluations indicate that the C18/sulfone stationary phase exhibited a little less retention than the C18/sulfide one. A comparable chromatographic performance of neutral analytes was obtained on these two columns, but much better chromatographic performance in the case of basic and acid analytes was obtained on C18/sulfone stationary phase with additional features such as lower silanol activity, better stability (stable working conditions of pH 1.0-10.0), and better compatibility with 100% aqueous mobile phases. The batch-to-batch reproducibility was acceptable (the RSDs of retention times for the probes were no higher than 1.73%), demonstrating the suitability of the applied synthetic strategy for the new stationary phase. The C18/sulfone is a promising polar-embedded RPLC stationary phase. PMID- 29205870 TI - Therapeutic Thrombocytapheresis for Symptomatic Thrombocytosis in Hemato-Oncology Patients. PMID- 29205871 TI - Pharmacogenetic Analysis of the Model-Based Pharmacokinetics of Five Anti-HIV Drugs: How Does This Influence the Effect of Aging? AB - Analysis of aging and pharmacogenetics (PGx) on antiretroviral pharmacokinetics (PKs) could inform precision dosing for older human HIV-infected patients. Seventy-four participants receiving either atazanavir/ritonavir (ATV/RTV) or efavirenz (EFV) with tenofovir/emtricitabine (TFV/FTC) provided PK and PGx information. Aging-PGx-PK association and interaction analyses were conducted using one-way analysis of variance (ANOVA), multiple linear regression, and Random Forest ensemble methods. Our analyses associated unbound ATV disposition with multidrug resistance protein (MRP)4, RTV with P-glycoprotein (P-gp), and EFV with cytochrome P450 (CYP)2B6 and MRP4 genetic variants. The clearance and cellular distribution of TFV were associated with P-gp, MRP2, and concentrative nucleoside transporters (CNTs), and FTC parameters were associated with organic cation transporters (OCTs) and MRP2 genetic variants. Notably, p16INK4a expression, a cellular aging marker, predicted EFV and FTC PK when genetic factors were adjusted. Both age and p16INK4a expression interacted with PGx on ATV and TFV disposition, implying potential dose adjustment based on aging may depend on genetic background. PMID- 29205873 TI - Evaluation of Dry Eye Using Anterior Segment Optical Coherence Tomography in Patients With End-Stage Renal Disease Undergoing Hemodialysis. AB - The aim of the present study was to evaluate dry eye parameters with conventional tests and tear meniscus with Anterior Segment Optical Coherence Tomography (AS OCT) in patients with end-stage renal disease (ESRD). Thirty-eight ESRD patients undergoing hemodialysis, and 40 healthy individuals were enrolled. An ocular surface disease index questionnaire (OSDI) was administered. Before conventional dry eye tests, tear meniscus were evaluated using AS-OCT. After a complete ocular examination, Schirmer and break-up time (BUT) tests were performed and probable corneal staining was investigated. Schirmer test and BUT values were significantly lower in ESRD patients (P < 0.05). OSDI scores and corneal staining scores were significantly higher in ESRD patients (P < 0.05). Tear meniscus height, tear meniscus depth, and tear meniscus area, which were obtained by AS OCT were significantly lower in patients with ESRD (P < 0.05). Tear meniscus evaluation using AS-OCT is an effective and non-invasive method to assess tear meniscus in patients with ESRD. Patients with ESRD undergoing hemodialysis should obtain regular ophthalmic examination, especially for dry eye. PMID- 29205874 TI - Establishment of experimental autoimmune prostatitis model by T2 peptide in aluminium hydroxide adjuvant. AB - A mouse model was developed to simulate the clinical features of chronic prostatitis/chronic pelvic pain syndrome using peptide (T2 ). Forty C57BL/6 mice were divided into four groups of 10 mice each, averagely and randomly. T2 plus aluminium hydroxide adjuvant group was given subcutaneous injection with the emulsion mixture of T2 and aluminium hydroxide adjuvant, the T2 group with T2 , the aluminium hydroxide adjuvant group with aluminium hydroxide adjuvant and the normal control group with 0.9/% NaCl solution. Haematoxylin andeosin staining was used to observe the inflammation of the prostate. Plasma levels of TNF-alpha and CRP were detected by ELISA kit. The expression of IL-1betain the prostate was investigated by immunohistochemistry. The statistical differences between the groups were compared by t test. Histopathological analyses demonstrated that prostate lesions were most severe in the group immunised with T2 plus aluminium hydroxide adjuvant. Plasma levels of TNF-alpha and CRP were statistically elevated compared with control groups. The expression levels of IL-1beta in the prostate were more obvious than control groups. T2 in aluminium hydroxide adjuvant subcutaneous injection could successfully set up experimental autoimmune prostatitis in C57BL/6 mice. This murine model would be greatly beneficial to further comprehend the aetiology, pathogenesis and explicit treatment of CP/CPPS. PMID- 29205875 TI - A case report of basic calcium phosphate deposition disease mimicking septic arthritis. AB - We report a case of a 53-year-old man who presented with a diagnostic dilemma mimicking septic arthritis. It is important to consider the diagnosis of calcific peri-arthritis clinically and recognize the hallmarks on radiograph and magnetic resonance imaging as this disease process resolves completely with conservative management like in our patient, and does not require operative intervention. PMID- 29205876 TI - Vitamin D Does Not Play a Functional Role in Adipose Tissue Development in Rodent Models. AB - SCOPE: Several studies have proposed a role of vitamin D in adipogenesis. Here, we sought to study the impact of the vitamin D receptor (Vdr) on adipocyte size in young and old mice and the effect of maternal vitamin D deficiency on fetal adipogenesis. METHODS AND RESULTS: Histological analysis of adipose tissues shows that Vdr knockout (KO) mice have smaller adipocytes than wild-type (WT) mice. Next, we compare young and old Vdr-KO and WT mice and find no differences in adipocyte sizes between weaned Vdr-KO and WT mice. However, 1-year-old Vdr-KO mice, suffering from alopecia, have smaller-sized adipocytes than WT mice, although they consume more food. To elucidate whether vitamin D can directly impact adipocyte development at a critical stage of adipogenesis, we feed rat dams a vitamin D deficient (0 IU kg-1 ) or vitamin D adequate (1000 IU kg-1 ) diet. Neither DNA microarray analysis of the adipose tissues of the newborn rats nor the adipocyte sizes of 21-day-old offspring show significant differences between the two groups. CONCLUSION: Data indicate that vitamin D does not play a fundamental role in adipogenesis because vitamin D does not affect fetal adipogenesis. Moreover, the smaller adipocytes observed in adult Vdr-KO mice are presumably caused by an increased energy expenditure due to alopecia. PMID- 29205877 TI - Molecular epidemiology of Mycobacterium tuberculosis complex strains isolated from livestock and wild animals in Italy suggests the need for a different eradication strategy for bovine tuberculosis. AB - Bovine tuberculosis (bTB) is an important zoonosis, which has been re-emerging in different ecological scenarios. In Sicily, Italy, from 2004 to 2014, an anatomopathological survey for tuberculosis-like lesions both in farmed and wild animals was performed. The isolates were genotyped using spoligotyping and Mycobacterial Interspersed Repetitive Units-Variable Number of Tandem Repeats (MIRU-VNTR) techniques. High prevalence of lesions was observed for cattle (4%), pigs (4.9%) and wild boars (6.8%), and a total of 625 Mycobacterium bovis isolates were identified. Genotyping analysis showed the presence of 37 different spoligotypes including fifteen spoligotypes not present in other Italian regions and 266 MIRU-VNTR profiles. Spoligotype SB0120 exhibited the highest prevalence in cattle (50%) and pigs (56%) and the highest genetic variety with 126 different MIRU-VNTR profiles. The isolation of M. bovis in a farmer underlines the importance of M. bovis identification during the human TB diagnostic processes. This study supported the use of the genotyping analysis as a valuable tool for the evaluation of the epidemiological role of pigs and other domestic reservoirs such as goats and the role of wildlife in the maintenance of bTB infection. PMID- 29205878 TI - Exosome-Modified Tissue Engineered Blood Vessel for Endothelial Progenitor Cell Capture and Targeted siRNA Delivery. AB - Instability and poor targeting causes the long-term patency of RNA-modified tissue engineering blood vessels (TEBVs) remaining unsatisfactory. RNA can be enriched in exosome and then delivered into targeted cells while whether exosome modified TEBVs achieve RNA targeted delivery is unclear. Here, to promote the expression of klotho protein on the mesenchymal stem cell (MSC)-derived exosomes, klotho plasmids are first transfected into MSCs, and adenosine kinase (ADK) siRNA is then loaded into exosome (klotho/ADK siRNA-exosome) using electrotransfection. Flow chamber results show that klotho/ADK siRNA-exosome can effectively capture circulating endothelial progenitor cells (EPCs). Besides, the captured EPCs can endocytose this exosome, and then decompose it into klotho protein and ADK siRNA. Moreover, ADK siRNA promotes the paracrine of proangiogenic factors and adenosine from EPCs, which further facilitate proliferation and migration of endothelial cells. Based on polyethyleneimine-capped gold nanoparticles, exosome-modified TEBVs are constructed through layer-by-layer assembly. Animal experimental results show that klotho/ADK siRNA-exosome-modified TEBVs can maintain the patency up to one month, and good endothelialization is observed. In short, one exosome-modified TEBV is constructed, capture molecules on the surface of exosome capture the circulating EPCs, and the loaded RNA achieves its purpose of accurate treatment depending on the needs of patients. PMID- 29205879 TI - Solid-State Diffusional Behaviors of Functional Metal Oxides at Atomic Scale. AB - Metal/metal oxides have attracted extensive research interest because of their combination of functional properties and compatibility with industry. Diffusion and thermal reliability have become essential issues that require detailed study to develop atomic-scaled functional devices. In this work, the diffusional reaction behavior that transforms piezoelectric ZnO into magnetic Fe3 O4 is investigated at the atomic scale. The growth kinetics of metal oxides are systematically studied through macro- and microanalyses. The growth rates are evaluated by morphology changes, which determine whether the growth behavior was a diffusion- or reaction-controlled process. Furthermore, atom attachment on the kink step is observed at the atomic scale, which has important implications for the thermodynamics of functional metal oxides. Faster growth planes simultaneously decrease, which result in the predominance of low surface energy planes. These results directly reveal the atomic formation process of metal oxide via solid-state diffusion. In addition, the nanofabricated method provides a novel approach to investigate metal oxide evolution and sheds light on diffusional reaction behavior. More importantly, the results and phenomena of this study provide considerable inspiration to enhance the material stability and reliability of metal/oxide-based devices. PMID- 29205880 TI - Intrapulmonary teratoma misdiagnosed as aspergilloma. PMID- 29205881 TI - Corrigendum. PMID- 29205882 TI - Estimating the burden of influenza-associated hospitalization and deaths in Oman (2012-2015). AB - BACKGROUND: Influenza is a serious vaccine-preventable disease with high incidence, hospitalization, and mortality in high-risk groups. The epidemiology, seasonality, and risk factors for influenza are well defined in most of the temperate countries, but estimating influenza burden in the World Health Organization (WHO) Region for the Eastern Mediterranean is scarce. In Oman, despite the advancements in influenza surveillance, the clinical burden and seasonality of influenza remain not fully understood. OBJECTIVES: To estimate the incidence of influenza-associated hospitalizations and in-hospital death in Oman. PATIENTS AND METHODS: Influenza-associated hospitalizations and in-hospital deaths were estimated using hospital discharge records based on ICD-10 codes (J09 J18), results of virological analysis and population census for the period between 2012 and 2015. RESULTS: During 2012 and 2015, we identified a total of 19 405 influenza-associated hospitalization and 847 deaths. Influenza positivity percentage ranged from 6.4% in 2013 to 20.6% in 2015. Influenza-associated hospitalization incidence rate was 7.3 (95% CI: 6.4-8.1) per 100 000 in 2013 and 27.5 (95% CI: 25.9-29.1) per 100 000 in 2015 with an overall rate of 20.6 (95% CI: 19.9-21.3) per 100 000. The highest incidence of influenza-associated death was among those aged >=65 years and ranged between 39.5 (95% CI: 27.3-51.8) per 100 000 in 2014 and 11.3 (95% CI: 7.5-15.1) in 2015. CONCLUSIONS: Influenza causes a substantial number of hospitalizations and deaths in Oman. Hospitalization rates were highest among children, and adults >=65 years showed the highest death rate. The potential value of using seasonal influenza vaccine in these groups should be considered. PMID- 29205883 TI - Fission yeast Myo2: Molecular organization and diffusion in the cytoplasm. AB - Myosin-II is required for the assembly and constriction of cytokinetic contractile rings in fungi and animals. We used electron microscopy, fluorescence recovery after photobleaching (FRAP), and fluorescence correlation spectroscopy (FCS) to characterize the physical properties of Myo2 from fission yeast Schizosaccharomyces pombe. By electron microscopy, Myo2 has two heads and a coiled-coiled tail like myosin-II from other species. The first 65 nm of the tail is a stiff rod, followed by a flexible, less-ordered region up to 30 nm long. Myo2 sediments as a 7 S molecule in high salt, but aggregates rather than forming minifilaments at lower salt concentrations; this is unaffected by heavy chain phosphorylation. We used FRAP and FCS to observe the dynamics of Myo2 in live S. pombe cells and in cell extracts at different salt concentrations; both show that Myo2 with an N-terminal mEGFP tag has a diffusion coefficient of ~ 3 um2 s-1 in the cytoplasm of live cells during interphase and mitosis. Photon counting histogram analysis of the FCS data confirmed that Myo2 diffuses as doubled-headed molecules in the cytoplasm. FCS measurements on diluted cell extracts showed that mEGFP-Myo2 has a diffusion coefficient of ~ 30 um2 s-1 in 50 to 400 mM KCl concentrations. PMID- 29205885 TI - Label-free imaging and spectroscopy for early detection of cervical cancer. AB - The label-free imaging and spectroscopy method was studied on cervical unstained tissue sections obtained from 36 patients. The native fluorescence spectra of tissues are analyzed by the optical redox ratio (ORR), which is defined as fluorescence intensity ratio between NADH and FAD, and indicates the metabolism change with the cancer development. The ORRs of normal tissues are consistently higher than those of precancer or cancerous tissues. A criterion line of ORR at 5.0 can be used to discriminate cervical precancer/cancer from normal tissues. The sensitivity and specificity of the native fluorescence spectroscopy method for cervical cancer diagnosis are determined as 100% and 91%. Moreover, the native fluorescence spectroscopy study is much more sensitive on the healthy region of cervical precancer/cancer patients compared with the traditional clinical staining method. The results suggest label-free imaging and spectroscopy is a fast, highly sensitive and specific method on the detection of cervical cancer. PMID- 29205884 TI - Potential Adult Neurogenesis in the Telencephalon and Cerebellar Cortex of the Nile Crocodile Revealed with Doublecortin Immunohistochemistry. AB - The brain of the crocodile is known to gain in mass allometrically throughout life, and the addition of neurons (as well as non-neurons) appears to play a significant role in this increasing brain mass. We used immunohistochemistry in the brains of 12 Nile crocodiles ranging between 350 g and 86 kg in body mass and 1.99 g to 7.9 g in brain mass to identify the regions of the brain in which neurons immunopositive for doublecortin (DCX), a marker for potential adult neurogenesis, are found. Similar to other reptiles, potential newly born neurons, those immunopositive for DCX, were found throughout the telencephalon, the main and accessory olfactory bulbs and the olfactory tract, and in the cerebellar cortex; however, no DCX immunopositive neurons were observed in the diencephalon or brainstem. An apparent moderate decrease in the density of DCX labeled neurons in the olfactory bulbs and tract as well as the cerebellar cortex was observed with increasing brain mass, but the observed qualitative density of labeled neurons within the telencephalon was maintained irrespective of brain mass. Three potential neurogenic zones, within the sulci of the lateral ventricle, were identified, and these are similar to those seen in other reptiles. This study indicates that at least part of the gain in brain mass with age in the Nile crocodile may be accounted for by the potential addition and integration of new neurons into the existing circuitry, especially so for the olfactory system, telencephalon and cerebellar cortex. Anat Rec, 301:659-672, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29205886 TI - Ambulatory central VA-ECMO with biventricular decompression for acute cardiogenic shock. AB - We describe the off-pump insertion of a biventricular assist device with extra corporeal membrane oxygenation (ECMO): a novel technique that allows for ambulatory central veno-arterial (VA) ECMO with direct biventricular decompression. PMID- 29205887 TI - Role, ownership and presence of domestic animals in peri-urban households of Kisumu, Kenya. AB - Low- and middle-income countries are experiencing rapid urban population growth, particularly in peri-urban informal settlements. In these urban areas, animal husbandry remains a valuable source of income and protein-rich foods but may also present a risk of zoonotic disease threat. To date, there have been studies that have assessed the prevalence and nature of animal ownership in these communities. This cross-sectional survey assessed the geographical, sociocultural and economic factors behind the presence, ownership and purpose of domestic animals in three informal peri-urban communities of Kisumu, Kenya. A majority (n = 587) of the study households exhibited domestic animal presence in the living space yet only 32% of households reported animal ownership (n = 252). The purposes of ownership included: for meat/eggs (55%); for income, sale or trade (43%); for milk production (31%); and as companions/pets (31%). Among households that owned animals, 76% reported that at least one animal slept in the house at night. In multivariate logistic regression, the following factors were significantly associated with household animal ownership: ownership of agricultural land (OR = 1.94, 95% CI = 1.12, 3.35), perceiving a strong community bond (OR = 2.28, 95% CI = 1.25, 4.16), and household membership in a community group (OR = 1.64, 95% CI = 1.04, 2.60). This research demonstrates the high prevalence of animal ownership in a low-income and high-density peri-urban neighbourhood of an African city, which may facilitate zoonotic disease transmission. Further research should assess if and to what extent animal ownership in such communities is associated with disease risk. PMID- 29205891 TI - The ISFA wishes to acknowledge the following 2017 Corporate Sponsors. PMID- 29205888 TI - Glomerular Filtration Rate and Initiation of Dialysis. AB - The proportion of patients with advanced chronic kidney disease (CKD) initiating dialysis at higher glomerular filtration rate (GFR) has increased over the past decade. Recent data suggest that it may be associated with increased mortality. The goal of this analysis was to compare survival outcomes in patients with early and late start dialysis. We performed a retrospective analysis of hemodialysis (HD) incident patients from 1 January 2010 to 30 September 2014. Patients were classified into two groups by estimated GFR at dialysis initiation (eGFR >=10: early start and <10 mL/min per 1.73m2 : late start). Logistic regression was used to evaluate factors associated with early and late dialysis start, and Kaplan Meier graphs and Cox regression models in survival analysis. In this total incident population (N = 235), 42 patients had an early dialysis start. Compared with the group with an eGFR of <10 mL/min per 1.73 m2 at dialysis start, a Cox model showed an incremental increase in mortality associated with earlier dialysis start (P = 0.027). Independent factors (P < 0.05) associated with mortality in the multivariable Cox model in early dialysis start were: hypertension (HR 9.32, CI: 1.34-17.87), diabetes (HR 1.8, CI: 0.4-13.2) and albumin <3.5 g/dL (HR 1.5, CI: 0.8-6.2). Older patients (HR 0.084, CI: 0.008 0.863) with low phosphorus levels (HR 0.02, CI: 0.0-0.527) also had statistically significant results, although they showed a reduced risk of mortality. Early dialysis initiation was associated with an increased mortality risk, arguing against aggressive early dialysis initiation based primarily on eGFR alone. PMID- 29205892 TI - Biological Agents and Therapeutic Plasma Exchange: Can They Coexist in the Future? PMID- 29205893 TI - Measuring the gut microbiome in birds: Comparison of faecal and cloacal sampling. AB - The gut microbiomes of birds and other animals are increasingly being studied in ecological and evolutionary contexts. Numerous studies on birds and reptiles have made inferences about gut microbiota using cloacal sampling; however, it is not known whether the bacterial community of the cloaca provides an accurate representation of the gut microbiome. We examined the accuracy with which cloacal swabs and faecal samples measure the microbiota in three different parts of the gastrointestinal tract (ileum, caecum, and colon) using a case study on juvenile ostriches, Struthio camelus, and high-throughput 16S rRNA sequencing. We found that faeces were significantly better than cloacal swabs in representing the bacterial community of the colon. Cloacal samples had a higher abundance of Gammaproteobacteria and fewer Clostridia relative to the gut and faecal samples. However, both faecal and cloacal samples were poor representatives of the microbial communities in the caecum and ileum. Furthermore, the accuracy of each sampling method in measuring the abundance of different bacterial taxa was highly variable: Bacteroidetes was the most highly correlated phylum between all three gut sections and both methods, whereas Actinobacteria, for example, was only strongly correlated between faecal and colon samples. Based on our results, we recommend sampling faeces, whenever possible, as this sample type provides the most accurate assessment of the colon microbiome. The fact that neither sampling technique accurately portrayed the bacterial community of the ileum nor the caecum illustrates the difficulty in noninvasively monitoring gut bacteria located further up in the gastrointestinal tract. These results have important implications for the interpretation of avian gut microbiome studies. PMID- 29205895 TI - Arterial distribution to the pelvic cavity and pelvic limb in the pampas deer (Ozotoceros bezoarticus, Linnaeus 1758). AB - This research is a study about the arterial vascularization of pelvic cavity and pelvic limb in pampas deer. For this study, 25 dead animals were used. The vascularization of the organs was investigated using a latex injection technique. Two animals were injected in the common carotid artery with contrast to cardiac angiography, and then, radiographs were taken. The aorta showed the two external iliac arteries, and after a short course, the aorta ended in two internal iliac arteries. The median sacral artery was originated from the dorsal surface cranially to the emergence of the internal iliac arteries. The last one gave off parietal (iliolumbar, cranial and caudal gluteal arteries) and visceral (umbilical and internal pudendal arteries) branches. The external iliac artery gave as first branch the deep circumflex iliac artery which was divided into a cranial and a caudal branch. After a short distance from the external iliac artery, the femoral and deep femoral arteries were originated. The deep femoral artery gave origin to the pudendoepigastric trunk and to the medial femoral circumflex artery. Based on the arterial distribution of the pelvic cavity and pelvic limb in the pampas deer, it is concluded that the internal iliac artery has a pattern of intermediate development. In reference to the distribution of the external iliac artery and its branches, the pattern of development is the cranial tibial type. PMID- 29205894 TI - Association of angiotensin-converting enzyme insertion/deletion polymorphism with susceptibility to systemic lupus erythematosus: a meta-analysis. AB - BACKGROUND: The aim of this study was to determine whether the angiotensin converting enzyme (ACE) insertion/deletion (I/D) gene polymorphism confers susceptibility to systemic lupus erythematosus (SLE)/lupus nephritis (LN). METHODS: A meta-analysis was conducted on the association between the ACE I/D polymorphism and SLE/LN (when available) using: (i) the allelic contrast; (ii) the recessive; (iii) the dominant; and (iv) the additive models. RESULTS: A total of 27 relevant comparisons meeting the inclusion criteria were identified, involving 2718 SLE patients and 3655 controls. Meta-analysis showed a significant association between SLE and the allele D in overall populations (odds ratio [OR] = 1.25, 95% CI: 1.07-1.48, P = 0.004). Stratification by ethnicity indicated a strong association between the allele D and SLE in Asians (OR = 1.36, 95% CI: 1.05-1.75, P = 0.019). Meta-analysis also showed a significant association between SLE and the DD genotype in overall populations (additive model) (OR = 1.38, 95% CI: 1.05-1.83, P = 0.022). In addition, we found significant associations between the recessive model and SLE in overall populations, Asians and Europeans (OR = 1.44, 95% CI: 1.11-1.88, P = 0.007; OR = 1.69, 95% CI: 1.07 2.68, P = 0.024; and OR = 1.31, 95% CI: 1.06-1.62, P = 0.013, respectively). With respect to the association between ACE I/D gene polymorphism and LN risk, there was no significant association in either the overall populations or subpopulations. CONCLUSION: The present study might suggest that ACE I/D polymorphism may be a genetic molecular marker to predict SLE, while this polymorphism may not correlate with LN susceptibility. PMID- 29205896 TI - Paracoccidioidomycosis ceti in an Atlantic bottlenose dolphin (Tursiops truncatus), Brazil. PMID- 29205897 TI - Chiral separation of disease biomarkers with 2-hydroxycarboxylic acid structure. AB - Chiral 2-hydroxycarboxylic acids are compounds that have been linked to particular diseases and are putative biomarkers with some diagnostic potential. The importance of identifying whether a particular enantiomer is related to certain diseases has been encouraged recently. However, in many cases it has not yet been elucidated whether there are stereochemical implications with respect to these biomarkers and whether their enantioselective analysis provides new insights and diagnostic potential. In this study 13 disease-related chiral 2 hydrocarboxylic acids were studied for their chiral separation by high performance liquid chromatography on three cinchona alkaloid-derived chiral stationary phases. From a subgroup of eight 2-hydroxymonocarboxylic acids, baseline resolution could be achieved and inversion of elution order by exchanging tert-butylcarbamoyl quinidine chiral stationary phase (Chiralpak QD AX) for the corresponding quinine analogue (Chiralpak QN-AX) is shown for seven of them. Furthermore, conditions for chiral separation of the 2 hydroxydicarboxylic acids, citramalic acid, 2-isopropylmalic acid, and 2 hydroxyadipic acid are reported and compared to the previous reported conditions for 2-hydroxyglutaric acid and malic acid. PMID- 29205898 TI - Effects of oral glucosamine hydrochloride and mucopolysaccharide protein in a rabbit model of osteoarthritis. AB - AIM: The aim was to study whether oral glucosamine hydrochloride (GlcN.HCl) or mucopolysaccharide protein (MucoP) has a structure-modifying effect on an anterior cruciate ligament transection (ACLT) rabbit model of osteoarthritis (OA). METHODS: OA was surgically induced in the right knees of rabbits by transection of the ACLT. The left knees served as a sham-operated control. The animals were divided into four groups (n = 6 each): negative control (phosphate buffered saline, orally), positive control (oral celecoxib 10 mg/kg body weight/day), GlcN.HCl (oral 100 mg/kg/day) and MucoP (oral 100 mg/kg/day). Experimental animals were sacrificed after 8 weeks of treatment and the distal femur was removed for macroscopic examination, histological assessment, and terminal deoxynucleotidyl transferase-mediated nick-end labeling (TUNEL) assay of the OA rabbits. RESULTS: On gross morphology, severe lesions were observed in articular cartilage in the negative control group. In the GlcN.HCl and MucoP treatment groups, fibrillations and cartilaginous lesions were significantly (P < 0.05) decreased compared to the negative control group. In particular, degenerative changes in cartilage and chondrocyte cellularity were significantly reduced (P < 0.05) in the positive control (celecoxib) group, GlcN.HCl treatment group and MucoP treatment group compared with the negative control group. TUNEL assay showed that apoptotic chondrocytes were significantly suppressed in the celecoxib group. Similar significant (P < 0.05) results were seen in the GlcN.HCl group and MucoP group but apoptosis of chondrocytes were high in the negative control group. CONCLUSION: These data suggest that the protective effects of GlcN.HCl and MucoP may play a useful role in the clinical treatment of OA. PMID- 29205899 TI - Systematic Review: Impact of point sources on antibiotic-resistant bacteria in the natural environment. AB - Point sources such as wastewater treatment plants and agricultural facilities may have a role in the dissemination of antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARG). To analyse the evidence for increases in ARB in the natural environment associated with these point sources of ARB and ARG, we conducted a systematic review. We evaluated 5,247 records retrieved through database searches, including both studies that ascertained ARG and ARB outcomes. All studies were subjected to a screening process to assess relevance to the question and methodology to address our review question. A risk of bias assessment was conducted upon the final pool of studies included in the review. This article summarizes the evidence only for those studies with ARB outcomes (n = 47). Thirty-five studies were at high (n = 11) or at unclear (n = 24) risk of bias in the estimation of source effects due to lack of information and/or failure to control for confounders. Statistical analysis was used in ten studies, of which one assessed the effect of multiple sources using modelling approaches; none reported effect measures. Most studies reported higher ARB prevalence or concentration downstream/near the source. However, this evidence was primarily descriptive and it could not be concluded that there is a clear impact of point sources on increases in ARB in the environment. To quantify increases in ARB in the environment due to specific point sources, there is a need for studies that stress study design, control of biases and analytical tools to provide effect measure estimates. PMID- 29205900 TI - Biophotonics in China. AB - Biophotonics is a highly interdisciplinary field where physicists, chemists, biologists, physicians and engineers work together to solve the problems appearing in biology and medicine. In China, the Biophotonics discipline is often referred to as Biomedical Photonics, under the first-level disciplines Biomedical Engineering or Optical Engineering, and was initiated in the late 1990s. Over the past 20 years, biophotonics research in China expanded extraordinarily and has reached the frontiers of the world-level sciences. This white paper introduces the research groups in the biophotonics field in China, and their representative contributions. PMID- 29205901 TI - Dissecting the role of sessional anatomy teachers: A systematic literature review. AB - Worldwide there is a growing reliance on sessional teachers in universities. This has impacted all disciplines in higher education including medical anatomy programs. The objective of this review was to define the role and support needs of sessional anatomy teachers by reporting on the (1) qualifications, (2) teaching role, (3) training, and (4) performance management of this group of educators. A systematic literature search was conducted on the 27 July 2017 in Scopus, Web of Science, and several databases on the Ovid, ProQuest and EBSCOhost platforms. The search retrieved 5,658 articles, with 39 deemed eligible for inclusion. The qualifications and educational distance between sessional anatomy teachers and their students varied widely. Reports of cross-level, near-peer and reciprocal-peer teaching were identified, with most institutes utilizing recent medical graduates or medical students as sessional teachers. Sessional anatomy teachers were engaged in the full spectrum of teaching-related duties from assisting students with cadaveric dissection, to marking student assessments and developing course materials. Fourteen institutes reported that training was provided to sessional anatomy teachers, but the specific content, objectives, methods and effectiveness of the training programs were rarely defined. Evaluations of sessional anatomy teacher performance primarily relied on subjective feedback measures such as student surveys (n = 18) or teacher self assessment (n = 3). The results of this systematic review highlight the need for rigorous explorations of the use of sessional anatomy teachers in medical education, and the development of evidence-based policies and training programs that regulate and support the use of sessional teachers in higher education. Anat Sci Educ 11: 410-426. (c) 2017 American Association of Anatomists. PMID- 29205902 TI - Therapeutic options and postoperative wound complications after extremity soft tissue sarcoma resection and postoperative external beam radiotherapy. AB - Soft tissue sarcomas occur most commonly in the lower and upper extremities. The standard treatment is limb salvage surgery combined with radiotherapy. Postoperative radiotherapy is associated with wound complications. This systematic review aims to summarise the available evidence and review the literature of the last 10 years regarding postoperative wound complications in patients who had limb salvage surgical excision followed by direct closure vs flap coverage together with postoperative radiotherapy and to define the optimal timeframe for adjuvant radiotherapy after soft tissue sarcomas resection and flap reconstruction. A literature search was performed using PubMed. The following keywords were searched: limb salvage, limb-sparing, flaps, radiation therapy, radiation, irradiation, adjuvant radiotherapy, postoperative radiotherapy, radiation effects, wound healing, surgical wound infection, surgical wound dehiscence, wound healing, soft tissue sarcoma and neoplasms. In total, 1045 papers were retrieved. Thirty-seven articles were finally selected after screening of abstracts and applying dates and language filters and inclusion and exclusion criteria. Plastic surgery provides a vast number of reconstructive flap procedures that are directly linked to decreasing wound complications, especially with the expectant postoperative radiotherapy. This adjuvant radiotherapy is better administered in the first 3-6 weeks after reconstruction to allow timely wound healing and avoid local recurrence. PMID- 29205903 TI - Transduction Methods for Cytosolic Delivery of Proteins and Bioconjugates into Living Cells. AB - The human organism and its constituting cells rely on interplay between multiple proteins exerting specific functions. Progress in molecular biotechnologies has facilitated the production of recombinant proteins. When administrated to patients, recombinant proteins can provide important healthcare benefits. To date, most therapeutic proteins must act from the extracellular environment, with their targets being secreted modulators or extracellular receptors. This is because proteins cannot passively diffuse across the plasma membrane into the cytosol. To expand the scope of action of proteins for cytosolic targets (representing more than 40% of the genome) effective methods assisting protein cytosolic entry are being developed. To date, direct protein delivery is extremely tedious and inefficient in cultured cells, even more so in animal models of pathology. Novel techniques are changing this limitation, as recently developed in vitro methods can robustly convey large amount of proteins into cell cultures. Moreover, advances in protein formulation or protein conjugates are slowly, but surely demonstrating efficiency for targeted cytosolic entry of functional protein in vivo in tumor xenograft models. In this review, various methods and recently developed techniques for protein transport into cells are summarized. They are put into perspective to address the challenges encountered during delivery. PMID- 29205905 TI - A Simple Modification Method to Obtain Anisotropic and Porous 3D Microfibrillar Scaffolds for Surgical and Biomedical Applications. AB - In native tissues, cellular organization is predominantly anisotropic. Yet, it remains a challenge to engineer anisotropic scaffolds that promote anisotropic cellular organization at macroscopic length scales. To overcome this challenge, an innovative, cheap and easy method to align clinically approved non-woven surgical microfibrillar scaffolds is presented. The method involves a three-step process of coating, unidirectional stretching of scaffolds after heating them above glass transition temperature, and cooling back to room temperature. Briefly, a polymer coating is applied to a non-woven mesh that results in a partial welding of randomly oriented microfibers at their intersection points. The coated scaffold is then heated above the glass transition temperature of the coating and the scaffold polymer. Subsequently, the coated scaffold is stretched to produce aligned and three dimentional (3D) porous fibrillar scaffolds. In a proof of concept study, a polyglycolic acid (PGA) micro-fibrillar scaffold was coated with poly(4-hydroxybutirate) (P4HB) acid and subsequently aligned. Fibroblasts were cultured in vitro within the scaffold and results showed an increase in cellular alignment along the direction of the PGA fibers. This method can be scaled up easily for industrial production of polymeric meshes or directly applied to small pieces of scaffolds at the point of care. PMID- 29205904 TI - Dosing down and then discontinuing biologic therapy in rheumatoid arthritis: a review of the literature. AB - AIM: To review the published studies that dose down and then discontinue biologic therapy in patients with rheumatoid arthritis (RA), particularly concerning the criteria for such dosing and the impact on clinical outcomes. METHODS: Published studies conducted in patients with RA that sequentially decreased the dose and then discontinued therapy were included if one or more of the following biologic disease modifying antirheumatic drugs (bDMARDs) was evaluated: abatacept, adalimumab, certolizumab, etanercept, golimumab, infliximab, rituximab or tocilizumab. RESULTS: Five studies qualified for inclusion. The populations of patients with RA were heterogeneous among the studies; patients were required to have low disease activity (LDA) or to be in remission prior to dose titration. Approximately 25-65% of patients successfully decreased and in some cases, discontinued the bDMARD. However, the flare rate was higher than for the patients who remained on a standard dose. The only variable that predicted relapse in more than one study was down-titration of the bDMARD dose. CONCLUSION: In patients who have achieved LDA or remission, down-titration and discontinuation of bDMARD therapy may be attempted, with careful monitoring. However, it is likely that some patients will flare, and it is not known how to predict these patients. PMID- 29205906 TI - The race for antimicrobials in the multidrug resistance era. AB - The appearance of multidrug-resistant pathogens is a major threat to human health with the reemergence of fatal and untreatable diseases. In addition to a rational use of the well-known and available antibiotics, two complementary ways to overcome this public health issue are (i) the discovery of new antimicrobials and (ii) the chemical modification of pre-existing potent antibiotics. In this article, we highlight some of the strategies to generate new and promising antimicrobials for use in the management of these so-called 'superbugs'. PMID- 29205908 TI - Trace quantification of selected sulfonamides in aqueous media by implementation of a new dispersive solid-phase extraction method using a nanomagnetic titanium dioxide graphene-based sorbent and HPLC-UV. AB - Herein, a new dispersive solid-phase extraction method using a nano magnetic titanium dioxide graphene-based sorbent in conjunction with high-performance liquid chromatography and ultraviolet detection was successfully developed. The method was proved to be simple, sensitive, and highly efficient for the trace quantification of sulfacetamide, sulfathiazole, sulfamethoxazole, and sulfadiazine in relatively large volume of aqueous media. Initially, the nano magnetic titanium dioxide graphene-based sorbent was successfully synthesized and subsequently characterized by scanning electron microscopy and X-ray diffraction. Then, the sorbent was used for the sorption and extraction of the selected sulfonamides mainly through pi-pi stacking hydrophobic interactions. Under the established conditions, the calibration curves were linear over the concentration range of 1-200 MUg/L. The limit of quantification (precision of 20%, and accuracy of 80-120%) for the detection of each sulfonamide by the proposed method was 1.0 MUg/L. To test the extraction efficiency, the method was applied to various fortified real water samples. The average relative recoveries obtained from the fortified samples varied between 90 and 108% with the relative standard deviations of 5.3-10.7%. PMID- 29205907 TI - Prevalence, treatment patterns and control rates of metabolic syndrome in a Chinese diabetic population: China Cardiometabolic Registries 3B study. AB - AIMS/INTRODUCTION: To investigate the prevalence and risk factors of metabolic syndrome (MetS) in Chinese type 2 diabetes mellitus patients, and assess the effect of MetS on the treatment patterns and blood glucose, blood pressure and blood lipids goal achievements. MATERIALS AND METHODS: Data from 25,454 type 2 diabetes mellitus patients including demographic data, anthropometric measurements, treatment patterns, and blood glucose and lipid profiles were retrospectively analyzed. RESULTS: Using modified Adult Treatment Panel III MetS criteria, the prevalence of MetS was 57.4% in type 2 diabetes mellitus patients. Multivariable logistic regression analysis showed that type 2 diabetes mellitus patients, who also fulfilled the criteria for MetS, tended to be women, living in the northeast, with a diabetes duration >=5 years and leading a sedentary lifestyle. Most MetS (53.4%) and non-MetS (57%) diabetes patients received oral hypoglycemic drugs. Insulin or insulin combination therapies were more applied in MetS (37.5%) than in non-MetS (33.1%) diabetes patients, and the percentages of MetS diabetes patients receiving antihypertensive and lipid-modulating drugs were 52.9% and 28.2% vs 38.3% and 19.3% of the non-MetS diabetes patients. Just 37.5%, 15.6% and 32.9% of the MetS diabetes patients vs 54.6%, 45.6% and 40.4% of the non-MetS diabetes patients achieved the individual target goals for control of blood glucose (glycosylated hemoglobin <7%), blood pressure (systolic blood pressure <130 mmHg, diastolic blood pressure <80 mmHg) and blood lipids (total cholesterol <4.5 mmol/L), whereas just 2.1% achieved all three target goals. CONCLUSIONS: MetS with a high prevalence in Chinese type 2 diabetes mellitus patients is associated with poor blood glucose, blood pressure and blood lipids control rate. PMID- 29205909 TI - Standing Up for Student Health: An Application of the Health Action Process Approach for Reducing Student Sedentary Behavior-Randomised Control Pilot Trial. AB - BACKGROUND: Sedentary behavior (SB) has been associated with chronic diseases. University students are a high-risk population for excessive SB. The purpose of this pilot study was to determine if a Health Action Process Approach (HAPA) based intervention, specifically action and coping planning, would increase student break frequency and decrease duration. METHODS: Fifty-two university students (14 men, mean age 23.5) were randomised into an 8-week HAPA-treatment (sedentary behavior) or HAPA-control (nutrition) group. Participants completed an SB questionnaire that assessed break frequency and duration of student SB (Baseline, Weeks 1-6 Treatment, and Weeks 7-8 Follow-up), and received behavioral counselling on either dietary information or SB (Baseline and Week 3). RESULTS: An intent-to-treat analysis revealed a significant group by time interaction effect for student break frequency (p = .05, etarho2 = 0.27), and a non significant effect for student break duration (p = .10, etarho2 = 0.23). For occupational (student) break frequency and duration, the large accompanying effect sizes favored the treatment group. CONCLUSIONS: The current pilot study provides preliminary evidence for the potential of a HAPA-based intervention for increasing student break frequency in full-time university students. PMID- 29205910 TI - Role of intravenous immunoglobulin in the treatment of Kawasaki disease. AB - Intravenous immunoglobulin (IVIg) is a purified plasma product that is used for many immune-deficient conditions and autoimmune conditions. Use of IVIg for treatment for Kawasaki disease (KD) is critical for control of inflammation. The American Heart Association (AHA) recommends a single infusion of 2 g/kg preferably given during the first 10 days of illness. In this review, we have discussed the possible mechanisms of action of IVIg in KD and its clinical usage in this condition. PMID- 29205911 TI - Approaches to Electrolyte Solvent Selection for Poly-Anthraquinone Sulfide Organic Electrode Material. AB - Organic materials such as polyanthraquinone sulfide (PAQS) are receiving increased attention as electrodes for energy storage systems owing to their good environmental compatibility, high rate capability, and large charge-storage capacity. However, one of their limitations is the solubility in organic solvents typically composing the electrolytes. Here, the solubility of PAQS was tested in 17 different solvents using UV/Vis spectroscopy. The results show that PAQS exhibits a very wide range of solubility according to the nature of the solvent and the obtained trend agrees well with the predictions from Hansen solubility analysis. Furthermore, the transport properties (conductivity, sigma, and viscosity, eta) of selected electrolytes composed of non-solubilising solvents with 1 m LiTFSI are compared and discussed in the temperature range from -40 degrees C to 80 degrees C. In the second part of this study, the electrochemical characterization of PAQS as electrode material in selected pure or mixture of solvents with 1 m LiTFSI as salt was made in half-cells by a galvanostatic method. In a methylglutaronitrile (2MeGLN)-based electrolyte that exhibits low solubility of PAQS, it appears that the capacity fade is intricately linked to the large irreversibility of the second step of the redox process. Although the standard cyclic carbonate solvents mixture (ethylene carbonate and propylene carbonate) led to rapid capacity fade in the initial 10-15 cycles owing to their high solubilising ability. Finally, it is shown that a pure linear alkylcarbonate (dimethyl carbonate) or binary mixture of ether-based (dioxolane/dimethoxy ethane) electrolyte is much more compatible for enhanced capacity retention in PAQS with more than 120 mAh g-1 for 1000 cycles at 4 C. PMID- 29205912 TI - ADP-ribosylation of DNA moving into focus. AB - In this issue of The FEBS Journal, Munnur and Ahel describe the reversible mono ADP-ribosylation of DNA by PARP3, a member of the poly-ADP-ribose-polymerase family known to modify proteins. They demonstrate a selective ADP-ribosylation of the 5'-phosphate group on DNA ends and show that the modification can be reversed by several known ADP-ribosylhydrolases including PARG. PMID- 29205914 TI - Online tools for enhancing presentation, understanding, and retention of 3D structural data. AB - Dr Alexander Wlodawer, an Editor for The FEBS Journal, provides an overview of three useful resources for structural biologists: Protopedia, Molstack and the Integrated Resource for Reproducibility in Macromolecular Crystallography (IRRMC). PMID- 29205915 TI - Kinematic Modeling of Mechanocatalytic Depolymerization of alpha-Cellulose and Beechwood. AB - Mechanocatalytic depolymerization of lignocellulose presents a promising method for the solid-state transformation of acidified raw biomass into water-soluble products (WSPs). However, the mechanisms underlining the utilization of mechanical forces in the depolymerization are poorly understood. A kinematic model of the milling process is applied to assess the energy dose transferred to cellulose during its mechanocatalytic depolymerization under varied conditions (rotational speed, milling time, ball size, and substrate loading). The data set is compared to the apparent energy dose calculated from the kinematic model and reveals key features of the mechanocatalytic process. At low energy doses, a rapid rise in the WSP yield associated with the apparent energy dose is observed. However, at a higher energy dose obtained by extended milling duration or high milling speeds, the formation of a substrate cake layer on the mill vials appear to buffer the mechanical forces, preventing full cellulose conversion into WSPs. By contrast, for beechwood, there exists a good linear dependence between the WSP yield and the energy dose provided to the substrate over the entire range of WSP yields. As the formation of a substrate cake in depolymerization of beechwood is less severe than that for the cellulose experiments, the current results verify the hypothesis regarding the negative effect of a substrate layer formed on the mill vials upon the depolymerization process. Overall, the current findings provide valuable insight into relationships between the energy dose and the extent of cellulose depolymerization effected by the mechanocatalytic process. PMID- 29205916 TI - Leptin in Maternal Plasma and Cord Blood as a Predictor of Offspring Adiposity at 5 Years: A Follow-up Study. AB - OBJECTIVE: Perinatal leptin exposure may modulate the risk of adiposity in early childhood. In previous analyses, negative associations between maternal (32 weeks' gestation) and cord blood leptin and offspring body composition at 2 years were observed. METHODS: Associations between maternal/cord blood leptin were assessed with indirect (i.e., body weight, BMI percentiles, sum of 4 skinfold thicknesses), and direct (i.e., ultrasonography, magnetic resonance imaging in a subgroup) growth and adipose tissue (AT) measurements in 120 children aged 3 to 5 years. RESULTS: Maternal leptin was not shown to be associated with offspring body composition in univariate analyses. In adjusted analyses, some weak negative associations were observed with weight and BMI percentiles but not with sum of 4 skinfold thicknesses or calculated body fat at 3 to 5 years. Cord blood leptin was inversely related to offspring body composition, but effect sizes were small and not consistently statistically significant. No evidence of associations with direct AT measurements was observed. CONCLUSIONS: Although some negative relationships with indirect measurements of AT mass were observed, the results of this study do not provide sufficient evidence that maternal plasma or cord blood leptin is clinically relevant predictors of obesity or body fat distribution in early childhood. PMID- 29205918 TI - Acknowledging the peer reviewers of Journal of Medical Radiation Sciences October 2016-September 2017. PMID- 29205917 TI - Targeted in situ metatranscriptomics for selected taxa from mesophilic and thermophilic biogas plants. AB - Biogas production is performed anaerobically by complex microbial communities with key species driving the process. Hence, analyses of their in situ activities are crucial to understand the process. In a previous study, metagenome sequencing and subsequent genome binning for different production-scale biogas plants (BGPs) resulted in four genome bins of special interest, assigned to the phyla Thermotogae, Fusobacteria, Spirochaetes and Cloacimonetes, respectively, that were genetically analysed. In this study, metatranscriptome sequencing of the same BGP samples was conducted, enabling in situ transcriptional activity determination of these genome bins. For this, mapping of metatranscriptome reads on genome bin sequences was performed providing transcripts per million (TPM) values for each gene. This approach revealed an active sugar-based metabolism of the Thermotogae and Spirochaetes bins and an active amino acid-based metabolism of the Fusobacteria and Cloacimonetes bins. The data also hint at syntrophic associations of the four corresponding species with methanogenic Archaea. PMID- 29205919 TI - We can and do make a difference by improving medical radiation services in rural and remote locations. AB - This is an editorial referring to the benefits that medical radiation practitioners can provide to the communities they live and work in. PMID- 29205921 TI - The dioxygenase GIM2 functions in seed germination by altering gibberellin production in Arabidopsis. AB - The phytohormones gibberellic acid (GA) and abscisic acid (ABA) antagonistically control seed germination. High levels of GA favor seed germination, whereas high levels of ABA hinder this process. The direct relationship between GA biosynthesis and seed germination ability need further investigation. Here, we identified the ABA-insensitive gain-of-function mutant germination insensitive to ABA mutant 2 (gim2) by screening a population of XVE T-DNA-tagged mutant lines. Based on two loss-of-function gim2-ko mutant lines, the disruption of GIM2 function caused a delay in seed germination. By contrast, upregulation of GIM2 accelerated seed germination, as observed in transgenic lines overexpressing GIM2 (OE). We detected a reduction in endogenous bioactive GA levels and an increase in endogenous ABA levels in the gim2-ko mutants compared to wild type. Conversely, the OE lines had increased endogenous bioactive GA levels and decreased endogenous ABA levels. The expression levels of a set of GA- and/or ABA related genes were altered in both the gim2-ko mutants and the OE lines. We confirmed that GIM2 has dioxygenase activity using an in vitro enzyme assay, observing that GIM2 can oxidize GA12 . Hence, our characterization of GIM2 demonstrates that it plays a role in seed germination by affecting the GA metabolic pathway in Arabidopsis. PMID- 29205922 TI - A Lithium-Air Battery Stably Working at High Temperature with High Rate Performance. AB - Driven by the increasing requirements for energy supply in both modern life and the automobile industry, the lithium-air battery serves as a promising candidate due to its high energy density. However, organic solvents in electrolytes are likely to rapidly vaporize and form flammable gases under increasing temperatures. In this case, serious safety problems may occur and cause great harm to people. Therefore, a kind of lithium-air that can work stably under high temperature is desirable. Herein, through the use of an ionic liquid and aligned carbon nanotubes, and a fiber shaped design, a new type of lithium-air battery that can effectively work at high temperatures up to 140 degrees C is developed. Ionic liquids can offer wide electrochemical windows and low vapor pressures, as well as provide high thermal stability for lithium-air batteries. The aligned carbon nanotubes have good electric and heat conductivity. Meanwhile, the fiber format can offer both flexibility and weavability, and realize rapid heat conduction and uniform heat distribution of the battery. In addition, the high temperature has also largely improved the specific powers by increasing the ionic conductivity and catalytic activity of the cathode. Consequently, the lithium-air battery can work stably at 140 degrees C with a high specific current of 10 A g 1 for 380 cycles, indicating high stability and good rate performance at high temperatures. This work may provide an effective paradigm for the development of high-performance energy storage devices. PMID- 29205923 TI - Home-based interval training increases endurance capacity in adults with complex congenital heart disease. AB - OBJECTIVE: The beneficial effects of exercise training in acquired heart failure and coronary artery disease are well known and have been implemented in current treatment guidelines. Knowledge on appropriate exercise training regimes for adults with congenital heart disease is limited, thus further studies are needed. The aim of this study was to examine the effect of home-based interval exercise training on maximal endurance capacity and peak exercise capacity. DESIGN: Randomized controlled trial. METHODS: Twenty-six adults with complex congenital heart disease were recruited from specialized units for adult congenital heart disease. Patients were randomized to either an intervention group-12 weeks of home-based interval exercise training on a cycle ergometer (n = 16), or a control group (n = 10). The latter was instructed to maintain their habitual physical activities. An incremental cardiopulmonary exercise test and a constant work rate cardiopulmonary exercise test at 75% of peak workload were performed preintervention and postintervention. RESULTS: Twenty-three patients completed the protocol and were followed (intervention n = 13, control n = 10). Postintervention exercise time at constant work rate cardiopulmonary exercise test increased in the intervention group compared to controls (median[range] 12[ 4 to 52]min vs 0[-4 to 5]min, P = .001). At incremental cardiopulmonary exercise test, peak VO2 increased 15% within the intervention group (P = .019) compared to 2% within the control group (P = .8). However, in comparison between the groups no difference was found (285[-200 to 535] ml/min vs 17[-380 to 306] ml/min, P = .10). In addition, peak workload at incremental cardiopulmonary exercise test increased in the intervention group compared to controls (20[-10 to 70]W vs 0[-20 to 15]W, P = .003). CONCLUSION: Home-based interval exercise training increased endurance capacity and peak exercise capacity in adults with complex congenital heart disease. Aerobic endurance might be more relevant than peak oxygen uptake with regard to daily activities, and therefore a more clinically relevant measure to evaluate. PMID- 29205920 TI - Multiorgan Microphysiological Systems for Drug Development: Strategies, Advances, and Challenges. AB - Traditional cell culture and animal models utilized for preclinical drug screening have led to high attrition rates of drug candidates in clinical trials due to their low predictive power for human response. Alternative models using human cells to build in vitro biomimetics of the human body with physiologically relevant organ-organ interactions hold great potential to act as "human surrogates" and provide more accurate prediction of drug effects in humans. This review is a comprehensive investigation into the development of tissue-engineered human cell-based microscale multiorgan models, or multiorgan microphysiological systems for drug testing. The evolution from traditional models to macro- and microscale multiorgan systems is discussed in regards to the rationale for recent global efforts in multiorgan microphysiological systems. Current advances in integrating cell culture and on-chip analytical technologies, as well as proof-of concept applications for these multiorgan microsystems are discussed. Major challenges for the field, such as reproducibility and physiological relevance, are discussed with comparisons of the strengths and weaknesses of various systems to solve these challenges. Conclusions focus on the current development stage of multiorgan microphysiological systems and new trends in the field. PMID- 29205924 TI - Genomic epidemiology of the emerging pathogen Batrachochytrium dendrobatidis from native and invasive amphibian species in Chile. AB - Emerging fungal diseases represent a threat to food security, animal and human health worldwide. Amphibian chytridiomycosis, caused by the fungus Batrachochytrium dendrobatidis (Bd), has been associated with catastrophic and well-documented amphibian population declines and extinctions. For the first time, Bd was cultured from native and non-native wild amphibians in Chile. Phylogenomic analyses revealed that Chilean isolates AVS2, AVS4 and AVS7 group within the global panzootic lineage of Bd (BdGPL) in a single highly supported clade that includes a genotype previously isolated from the United Kingdom. Our results extend the known distribution of BdGPL in South America and suggest a single and relatively recent introduction of BdGPL into the country, providing additional support to the role of anthropogenic activity in the global spread of this panzootic lineage. PMID- 29205925 TI - Electrocatalytic Alloys for CO2 Reduction. AB - Electrochemically reducing CO2 using renewable energy is a contemporary global challenge that will only be met with electrocatalysts capable of efficiently converting CO2 into fuels and chemicals with high selectivity. Although many different metals and morphologies have been tested for CO2 electrocatalysis over the last several decades, relatively limited attention has been committed to the study of alloys for this application. Alloying is a promising method to tailor the geometric and electric environments of active sites. The parameter space for discovering new alloys for CO2 electrocatalysis is particularly large because of the myriad products that can be formed during CO2 reduction. In this Minireview, mixed-metal electrocatalyst compositions that have been evaluated for CO2 reduction are summarized. A distillation of the structure-property relationships gleaned from this survey are intended to help in the construction of guidelines for discovering new classes of alloys for the CO2 reduction reaction. PMID- 29205926 TI - A retrospective review of the persistence on bDMARDs prescribed for the treatment of rheumatoid arthritis in the Australian population. AB - AIM: To describe the persistence of biologic disease modifying anti-rheumatic drugs (bDMARDs) in Australian rheumatoid arthritis (RA) patients, and assess the influence of methotrexate and other conventional DMARD (cDMARD) concomitant medications, and treatment line on bDMARD persistence and glucocorticoids usage. METHOD: RA patients, from the 10% Australian Medicare random sample, aged >=18 for whom bDMARDs were dispensed were included. Individual sub-cutaneous (SC) anti tumor necrosis factor-alpha (anti-TNFalpha) agents were combined as they were equivalent. RESULTS: Data from 1230 patients were analyzed. For all patients the 12-month persistence rates (based on Kaplan-Meier estimates) were 76% for intravenous (IV) tocilizumab, 63% abatacept (SC/IV), 61% SC-anti-TNFs and 36% IV infliximab. Persistence rates on first-line bDMARDs were 79% (tocilizumab and abatacept), 64% (SC-anti-TNFs) and 13% (infliximab); rates were sustained for tocilizumab but dropped to 49% for abatacept and 51% for SC-anti-TNFs in the second-line setting. Median treatment persistence was 40 months tocilizumab (95% CI: 30-ND), 33 months abatacept (95% CI: 20-ND); 22 months SC-anti-TNF (95% Cl: 18-27), and 4 months infliximab (95% CI: 2-13). Longer persistence was observed for SC-anti-TNFs and abatacept combined with methotrexate or other cDMARDs. For tocilizumab, persistence was robust with or without concomitant medications. The median oral glucocorticoid doses decreased from 4.1 mg/day (min 0, max 21) to 2.0 mg/day (min 0, max 17.3) over 2 years. CONCLUSIONS: Treatment persistence was longer on tocilizumab followed by abatacept then SC-anti-TNF therapy and was influenced by co-therapy. Glucocorticoid dosage decreased with bDMARD use. This real-world data highlights that persistence on bDMARDs differs according to biologics mode of action and co-therapy. PMID- 29205927 TI - Areolar lymphocytoma in a child: A rare cutaneous presentation of borreliosis. AB - Lyme disease is a common tick-borne infection caused by Borrelia burgdorferi in the United States, where infection is most prevalent in the northeastern and mid Atlantic states. Although classically associated with erythema migrans, Lyme disease caused by Borrelia species found in Europe may also present with other cutaneous findings. Here we report the case of a girl who was clinically diagnosed with Lyme disease based on her history of recent travel and the appearance of an areolar lymphocytoma; this was confirmed by testing. Testing for European Lyme disease does not follow the testing algorithm that the Centers for Disease Control and Prevention recommends and may be easily missed. Our case serves as an important reminder that common infections can have varying presentations depending on their region of acquisition and may require specialized testing for accurate diagnosis. PMID- 29205928 TI - Recent Progress in Micro/Nanoreactors toward the Creation of Artificial Organelles. AB - Artificial organelles created from a bottom up approach are a new type of engineered materials, which are not designed to be living but, instead, to mimic some specific functions inside cells. By doing so, artificial organelles are expected to become a powerful tool in biomedicine. They can act as nanoreactors to convert a prodrug into a drug inside the cells or as carriers encapsulating therapeutic enzymes to replace malfunctioning organelles in pathological conditions. For the design of artificial organelles, several requirements need to be fulfilled: a compartmentalized structure that can encapsulate the synthetic machinery to perform an enzymatic function, as well as a means to allow for communication between the interior of the artificial organelle and the external environment, so that substrates and products can diffuse in and out the carrier allowing for continuous enzymatic reactions. The most recent and exciting advances in architectures that fulfill the aforementioned requirements are featured in this review. Artificial organelles are classified depending on their constituting materials, being lipid and polymer-based systems the most prominent ones. Finally, special emphasis will be put on the intracellular response of these newly emerging systems. PMID- 29205930 TI - Post-diagnosis weight loss as a prognostic factor in non-small cell lung cancer. AB - BACKGROUND: Cachexia and its most visible manifestation, weight loss, represent important poor prognostic factors for patients with non-small cell lung cancer. This work examines how severity of weight loss as an indicator of cachexia affects outcomes. METHODS: In a retrospective observational study of electronic medical records, patients with non-small cell lung cancer were monitored for weight loss from an initial assessment (within 2 months of index diagnosis) to a landmark at 5 months (at least 3 months after initial assessment). Patients who survived to the landmark were then followed to determine the association of baseline body mass index (BMI) and weight loss during the assessment period with outcomes. Patients were clustered to determine how BMI and weight loss related to survival as approximated by time of last appearance in the database, a strong proxy for time of death. RESULTS: Twelve thousand one hundred and one patients were divided into 5 cachexia risk groups based on a combination of weight loss and initial BMI. More severe groups demonstrated progressively worse outcomes, with the most severe group surviving for a median of 263 days (95% CI 254-274) from index and having a 1-year survival rate of 31%. The least severe group survived for a median of 825 days from index (95% CI 768-908) and had a 1-year survival rate of 78%. Cachexia risk group was a stronger predictor of survival than any baseline variable, including disease stage, performance status, or age. CONCLUSIONS: In this study, we showed that increasing weight loss and, to a lesser extent, decreasing BMI, led to substantially worse outcomes for non-small cell lung cancer patients independent of other variables. We suggest risk score groups that provide an improved approach for identifying poor prognosis patients with the greatest need. PMID- 29205929 TI - Dendritic cell targeted HIV-1 gag protein vaccine provides help to a recombinant Newcastle disease virus vectored vaccine including mobilization of protective CD8+ T cells. AB - INTRODUCTION: Recombinant Newcastle Disease virus (rNDV) vectored vaccines are safe mucosal applicable vaccines with intrinsic immune-modulatory properties for the induction of efficient immunity. Like all viral vectored vaccines repeated inoculation via mucosal routes invariably results to immunity against viral vaccine vectors. To obviate immunity against viral vaccine vectors and improve the ability of rNDV vectored vaccines in inducing T cell immunity in murine air way we have directed dendritic cell targeted HIV-1 gag protein (DEC-Gag) vaccine; for the induction of helper CD4+ T cells to a Recombinant Newcastle disease virus expressing codon optimized HIV-1 Gag P55 (rNDV-L-Gag) vaccine. METHODS: We do so through successive administration of anti-DEC205-gagP24 protein plus polyICLC (DEC-Gag) vaccine and rNDV-L-Gag. First strong gag specific helper CD4+ T cells are induced in mice by selected targeting of anti-DEC205-gagP24 protein vaccine to dendritic cells (DC) in situ together with polyICLC as adjuvant. This targeting helped T cell immunity develop to a subsequent rNDV-L-Gag vaccine and improved both systemic and mucosal gag specific immunity. RESULTS: This sequential DEC-Gag vaccine prime followed by an rNDV-L-gag boost results to improved viral vectored immunization in murine airway, including mobilization of protective CD8+ T cells to a pathogenic virus infection site. CONCLUSION: Thus, complementary prime boost vaccination, in which prime and boost favor distinct types of T cell immunity, improves viral vectored immunization, including mobilization of protective CD8+ T cells to a pathogenic virus infection site such as the murine airway. PMID- 29205931 TI - Photoporation Using Carbon Nanotubes for Intracellular Delivery of Molecules and Its Relationship to Photoacoustic Pressure. AB - Exposure of carbon-black (CB) nanoparticles to near-infrared nanosecond-pulsed laser energy can cause efficient intracellular delivery of molecules by photoporation. Here, cellular bioeffects of multi-walled carbon nanotubes (MWCNTs) and single-walled carbon nanotubes (SWCNTs) are compared to those of CB nanoparticles. In DU145 prostate-cancer cells, photoporation using CB nanoparticles transitions from (i) cells with molecular uptake to (ii) nonviable cells to (iii) fragmented cells with increasing laser fluence, as seen previously. In contrast, photoporation with MWCNTs causes uptake and, at higher fluence, fragmentation, but does not generate nonviable cells, and SWCNTs show little evidence of bioeffects, except at extreme laser conditions, which generate nonviable cells and fragmentation, but no significant uptake. These different behaviors cannot be explained by photoacoustic pressure output from the particles. All particle types emit a single, ~100 ns, mostly positive-pressure pulse that increases in amplitude with laser fluence. Different particle types emit different peak pressures, which are highest for SWCNTs, followed by CB nanoparticles and then MWCNTs, which does not correlate with cellular bioeffects between different particle types. This study concludes that cellular bioeffects depend strongly on the type of carbon nanoparticle used during photoporation and that photoacoustic pressure is unlikely to play a direct mechanistic role in the observed bioeffects. PMID- 29205932 TI - Designing synbiotics for improved human health. PMID- 29205933 TI - A Highly Selective 3D Spiked Ultraflexible Neural (SUN) Interface for Decoding Peripheral Nerve Sensory Information. AB - Artificial sensors on the skin are proposed as a way to capture information that can be used in intracortical microstimulation or peripheral intraneural stimulation to restore sensory feedback to persons with tetraplegia. However, the ability of these artificial sensors to replicate the density and complexity of the natural mechanoreceptors is limited. One relatively unexplored approach is to make use of the signals from surviving tactile and proprioceptive receptors in existing limbs by recording from their transmitting axons within the primary sensory nerves. Here, a novel spiked ultraflexible neural (SUN) interface that is implanted into the peripheral nervous system to capture sensory information from these mechanoreceptors in acute rat experiments is described. The novel 3D design, which integrates spiked structures for intrafascicular nerve recording with an ultraflexible substrate, enables a unique conformal interface to the target nerve. With the high-quality recording (average signal-to-noise-ratio of 1.4) provided by the electrode, tactile from proprioceptive stimuli can be differentiated in terms of the firing rate. In toe pinching experiments, high spatial resolution classification can be achieved with support vector machine classifier. Further work remains to be done to assess the chronic recording capability of the SUN interface. PMID- 29205934 TI - Advances in Nanoporous Anodic Alumina-Based Biosensors to Detect Biomarkers of Clinical Significance: A Review. AB - There is a strong and growing demand for compact, portable, rapid, and low-cost devices to detect biomarkers of interest in clinical and point-of-care diagnostics. Such devices aid in early diagnosis of diseases without the need to rely on expensive and time-consuming large instruments in dedicated laboratories. Over the last decade, numerous biosensors have been developed for detection of a wide range of clinical biomarkers including proteins, nucleic acids, growth factors, and bacterial enzymes. Various transduction techniques have been reported based on biosensor technology that deliver substantial advances in analytical performance, including sensitivity, reproducibility, selectivity, and speed for monitoring a wide range of human health conditions. Nanoporous anodic alumina (NAA) has been used extensively for biosensing applications due to its inherent optical and electrochemical properties, ease of fabrication, large surface area, tunable properties, and high stability in aqueous environment. This review focuses on NAA-based biosensing systems for detection of clinically significant biomarkers using various detection techniques with the main focus being on electrochemical and optical transduction methods. The review covers an overview of the importance of biosensors for biomarkers detection, general (surface and structural) properties and fabrication of NAA, and NAA-based biomarker sensing systems. PMID- 29205935 TI - Self-Template Synthesis of Hybrid Porous Co3 O4 -CeO2 Hollow Polyhedrons for High Performance Supercapacitors. AB - In this work, hybrid porous Co3 O4 -CeO2 hollow polyhedrons have been successfully obtained via a simple cation-exchange route followed by heat treatment. In the synthesis process, ZIF-67 polyhedron frameworks are firstly prepared, which not only serve as a host for the exchanged Ce3+ ions but also act as the template for the synthesis of hybrid porous Co3 O4 -CeO2 hollow polyhedrons. When utilized as electrode materials for supercapacitors, the hybrid porous Co3 O4 -CeO2 hollow polyhedrons delivered a large specific capacitance of 1288.3 F g-1 at 2.5 A g-1 and a remarkable long lifespan cycling stability (<3.3 % loss after 6000 cycles). Furthermore, an asymmetric supercapacitor (ASC) device based on hybrid porous Co3 O4 -CeO2 hollow polyhedrons was assembled. The ASC device possesses an energy density of 54.9 W h kg-1 , which can be retained to 44.2 W h kg-1 even at a power density of 5100 W kg-1 , indicating its promising application in electrochemical energy storage. More importantly, we believe that the present route is a simple and versatile strategy for the preparation of other hybrid metal oxides with desired structures, chemical compositions and applications. PMID- 29205936 TI - Facile methods for heterologous production of bacterial microcompartments in diverse host species. PMID- 29205937 TI - Experience with an abdominal compression band for radiotherapy of upper abdominal tumours. AB - INTRODUCTION: Radiotherapy outcomes are influenced by treatment delivery geometric accuracy and organ-at-risk dose. The location of abdominal structures such as the liver, kidneys and tumour volumes can be strongly influenced by respiratory motion. This increases geometric uncertainty and dose to organs-at risk. One common method of minimising respiratory motion is abdominal compression (AC). METHODS: Fifteen patients being treated for radiotherapy to upper abdominal tumours were analysed. Each patient underwent 2 four-dimensional computerised tomography (4D-CT) scans, one with and one without AC with a pneumatic compression belt. Liver and kidney positions were measured on the 4DCT scans at the peak inspiratory and expiratory respiratory phases. The patient received radiation therapy treatment planned on the CT data set with the technique (compression or no compression) that provided the least respiratory motion. RESULTS: There was no statistically significant motion difference over the sample population with AC for the kidneys or liver. Of the 14 evaluable patients, 4, 6 and 6 saw reduction in superior-inferior motion for left kidney, right kidney and liver respectively. The remainder either had negligible (<2 mm) or increase in motion with AC. For anterior-posterior motion, 2, 2 and 1 saw a reduction for left-kidney, right-kidney and liver respectively. CONCLUSION: AC through the use of a pneumatic compression belt was found to result in inconsistent reduction in kidney and liver respiratory motion. It is recommended that the effect of AC is evaluated on a per-patient basis. PMID- 29205938 TI - Peptide-Functionalized Polyurethane Coatings Prepared via Grafting-To Strategy to Selectively Promote Endothelialization. AB - Endothelialization, formation of endothelial cells (ECs) layer on cardiovascular implant surface, is considered an ideal approach to prevent restenosis (renarrowing of blood vessel mainly due to the accumulation of proliferated vascular smooth muscle cells, SMCs) and thrombosis. In this study, the possibility of using polyurethane (PU) as a coating platform for functionalization with peptide to enhance endothelialization on implants is explored. PUs are synthesized through metal-free organocatalytic polymerization followed by chemical conjugation with an EC-specific REDV peptide through thiol ene reaction. Meanwhile, the free isocyanate groups of PU allow for covalent grafting of REDV-functionalized PU (PU/REDV) to silanize implant materials (nitinol and PET). PU/REDV coating with peptide grafting density of ~2 nmol cm-2 selectively accommodates primary human umbilical vein ECs (HUVECs) and retards spreading of primary human umbilical artery SMCs (HUASMCs). In addition, a layer of HUVECs is formed within 3 d on PU/REDV-coated surfaces, while proliferation of HUASMCs is inhibited. The selectivity is further confirmed by coculture of HUVECs and HUASMCs. Moreover, the PU/REDV-coated surfaces are less thrombogenic as evidenced by reduced number and activity of adhered platelets. Therefore, PU/REDV can be potentially used as a coating of cardiovascular implants to prevent restenosis and thrombosis by promoting endothelialization. PMID- 29205939 TI - Recent advances in pediatric rheumatology: April to June 2017. PMID- 29205940 TI - Relation of Serum ADMA, Apelin-13 and LOX-1 Levels with Inflammatory and Echocardiographic Parameters in Hemodialysis Patients. AB - Cardiovascular diseases are the leading causes of mortality in patients with chronic kidney disease. Nitric oxide has a critical role in both endothelial dysfunction and the atherosclerosis process. We aimed to investigate the relationships between serum asymmetric dimethyl arginine (ADMA), LOX-1, and Apelin-13 levels, which are known to act over nitric oxide with endothelial dysfunction and cardiac morphology as well as with each other in hemodialysis patients. The study comprised a total of 120 patients (53 females and 67 males) receiving hemodialysis three times a week for at least 6 months and an age-gender matched control group (55 females and 58 males). Serum ADMA, LOX-1, and Apelin-13 levels were measured using the ELISA technique. Echocardiography, 24-h blood pressure monitoring by the Holter and carotid artery intima-media thickness (CIMT) measurement was performed on all of the included subjects. The associations between serum ADMA, LOX-1, and Apelin-13 levels with CIMT, echocardiographic parameters [left ventricular mass (LVM) and left ventricular mass index (LVMI)], and inflammatory markers [high sensitive C-reactive protein (hsCRP) and neutrophil lymphocyte ratio (NLR)] were evaluated by correlation analysis. Serum ADMA, Apelin-13, and LOX-1 levels were significantly higher in the hemodialysis group than the controls (P < 0.001, P < 0.001, and P < 0.001, respectively). CIMT, hsCRP, and NLR levels were also significantly higher in the hemodialysis group (P < 0.05, P < 0.001, P < 0.001, respectively). Significant correlations were observed among the serum ADMA, Apelin-13, and LOX-1 levels. Moreover, notably positive correlations were found between these three biochemical markers and LVM, LVMI, hsCRP, and CIMT. Serum ADMA, Apelin-13, and LOX-1 levels can be indicators not only for the inflammatory process but also for the pathogenesis of cardiovascular diseases in hemodialysis patients. PMID- 29205941 TI - Application of aqueous two-phase micellar system to improve extraction of adenoviral particles from cell lysate. AB - Viral vectors are important in medical approaches, such as disease prevention and gene therapy, and their production depends on efficient prepurification steps. In the present study, an aqueous two-phase micellar system (ATPMS) was evaluated to extract human adenovirus type 5 particles from a cell lysate. Adenovirus was cultured in human embryonic kidney 293 (HEK-293) cells to a concentration of 1.4 * 1010 particles/mL. Cells were lysed, and the system formed by direct addition of Triton X-114 in a 23 full factorial design with center points. The systems were formed with Triton X-114 at a final concentration of 1.0, 6.0, and 11.0% (w/w), cell lysate pH of 6.0, 6.5, and 7.0, and incubation temperatures at 33, 35, and 37 degrees C. Adenovirus particles recovered from partition phases were measured by qPCR. The best system condition was with 11.0% (w/w) of Triton X-114, a cell lysate pH of 7.0, and an incubation temperature at 33 degrees C, yielding 3.51 * 1010 adenovirus particles/mL, which increased the initial adenovirus particles concentration by 2.3-fold, purifying it by 2.2-fold from the cell lysate, and removing cell debris. In conclusion, these results demonstrated that the use of an aqueous two-phase micellar system in the early steps of downstream processing could improve viral particle extraction from cultured cells while integrating clarification, concentration, and prepurification steps. PMID- 29205943 TI - Self-Complementary Dimers of Oxalamide-Functionalized Resorcinarene Tetrabenzoxazines. AB - Self-complementarity is a useful concept in supramolecular chemistry, molecular biology and polymeric systems. Two resorcinarene tetrabenzoxazines decorated with four oxalamide groups were synthesized and characterized. The oxalamide groups possessed self-complementary hydrogen bonding sites between the carbonyls and amide groups. The self-complementary nature of the oxalamide groups resulted in self-included dimeric assemblies. The hydrogen bonding interactions within the tetrabenzoxazines gave rise to the formation of dimers, which were confirmed by single-crystal X-ray diffractions analysis and supported by NMR spectroscopy and mass spectrometry. The self-included dimers were connected by numerous and strong intermolecular N-H???O and C-H???O hydrogen bonds supplemented with C-H???pi interactions, forming one-dimensional polymers, which were then further linked into three-dimensional networks. PMID- 29205944 TI - Iron Oxide Nanoparticles: Innovative Tool in Cancer Diagnosis and Therapy. AB - Although cancer is one of the most dangerous and the second most lethal disease in the world, current therapy including surgery, chemotherapy, radiotherapy, etc., is highly insufficient not in the view of therapy success rate or the amount of side effects. Accordingly, procedures with better outcomes are highly desirable. Iron oxide nanoparticles (IONPs) present an innovative tool-ideal for innovation and implementation into practice. This review is focused on summarizing some well-known facts about pharmacokinetics, toxicity, and the types of IONPs, and furthermore, provides a survey of their use in cancer diagnosis and therapy. PMID- 29205942 TI - Biomaterials-Based Approaches to Tumor Spheroid and Organoid Modeling. AB - Evolving understanding of structural and biological complexity of tumors has stimulated development of physiologically relevant tumor models for cancer research and drug discovery. A major motivation for developing new tumor models is to recreate the 3D environment of tumors and context-mediated functional regulation of cancer cells. Such models overcome many limitations of standard monolayer cancer cell cultures. Under defined culture conditions, cancer cells self-assemble into 3D constructs known as spheroids. Additionally, cancer cells may recapitulate steps in embryonic development to self-organize into 3D cultures known as organoids. Importantly, spheroids and organoids reproduce morphology and biologic properties of tumors, providing valuable new tools for research, drug discovery, and precision medicine in cancer. This Progress Report discusses uses of both natural and synthetic biomaterials to culture cancer cells as spheroids or organoids, specifically highlighting studies that demonstrate how these models recapitulate key properties of native tumors. The report concludes with the perspectives on the utility of these models and areas of need for future developments to more closely mimic pathologic events in tumors. PMID- 29205945 TI - Improving the Potency of Cancer Immunotherapy by Dual Targeting of IDO1 and DNA. AB - Herein we report the first exploration of a dual-targeting drug design strategy to improve the efficacy of small-molecule cancer immunotherapy. New hybrids of indoleamine 2,3-dioxygenase 1 (IDO1) inhibitors and DNA alkylating nitrogen mustards that respectively target IDO1 and DNA were rationally designed. As the first-in-class examples of such molecules, they were found to exhibit significantly enhanced anticancer activity in vitro and in vivo with low toxicity. This proof-of-concept study has established a critical step toward the development of a novel and effective immunotherapy for the treatment of cancers. PMID- 29205946 TI - Surveillance of drug abuse in Hong Kong by hair analysis using LC-MS/MS. AB - The aim of this study is to reveal the habits of drug abusers in hair samples from drug rehabilitation units in Hong Kong. With the application of liquid chromatography-tandem mass spectrometry (LC-MS/MS) technology, a total of 1771 hair samples were analyzed during the period of hair testing service (January 2012 to March 2016) provided to 14 drug rehabilitation units including non governmental organizations (NGOs), rehabilitation centers, and medical clinics. Hair samples were analyzed for abused drugs and their metabolites simultaneously, including ketamine, norketamine, cocaine, benzoylecgonine, cocaethylene, norcocaine, codeine, MDMA, MDA, MDEA, amphetamine, methamphetamine, morphine, 6 acetylmorphine, phencyclidine, and methadone. The results showed that ketamine (77.2%), cocaine (21.3%), and methamphetamine (16.5%) were the frequently detected drugs among those drug abusers, which is consistent with the reported data. In addition, the usage of multiple drugs was also observed in the hair samples. About 29% of drug-positive samples were detected with multiple drug use. Our studies prove that our locally developed hair drug-testing method and service can be a valid tool to monitor the use of abused drugs, and which could facilitate rehabilitation program management. PMID- 29205947 TI - Online instructional anatomy videos: Student usage, self-efficacy, and performance in upper limb regional anatomy assessment. AB - Allied health professionals concur that a sound knowledge of practical gross anatomy is vital for the clinician, however, human anatomy courses in allied health programs have been identified as high-risk for attrition and failure. While anatomists and clinicians agree that learning anatomy via human cadaveric instruction is the preferred method, students vary in their reaction to the cadaveric learning experience and have differing levels of anatomy self-efficacy. This study investigated whether student self-efficacy had an effect on student usage of supplemental instructional videos and whether the use of videos had an impact on student self-efficacy and/or learning. Anatomy self-efficacy differed based on gender and prior performance. Student usage of the videos varied widely and students with lower self-efficacy were more inclined to use the resources. The provision of the videos did not improve overall cohort performance as compared to a historical cohort, however, those students that accessed all video sets experienced a greater normalized learning gain compared to students that used none or one of the four sets of videos. Student reports and usage patterns indicate that the videos were primarily used for practical class preparation and revision. Potentially, the videos represent a passive mode of teaching whereas active learning has been demonstrated to result in greater learning gains. Adapting the videos into interactive tutorials which will provide opportunity for feedback and the development of students' self-evaluation may be more appropriate. Anat Sci Educ 11: 461-470. (c) 2017 American Association of Anatomists. PMID- 29205948 TI - VS4 Nanoparticles Anchored on Graphene Sheets as a High-Rate and Stable Electrode Material for Sodium Ion Batteries. AB - The size and conductivity of the electrode materials play a significant role in the kinetics of sodium-ion batteries. Various characterizations reveal that size controllable VS4 nanoparticles can be successfully anchored on the surface of graphene sheets (GSs) by a simple cationic-surfactant-assisted hydrothermal method. When used as an electrode material for sodium-ion batteries, these VS4 @GS nanocomposites show large specific capacity (349.1 mAh g-1 after 100 cycles), excellent long-term stability (84 % capacity retention after 1200 cycles), and high rate capability (188.1 mAh g-1 at 4000 mA g-1 ). A large proportion of the capacity was contributed by capacitive processes. This remarkable electrochemical performance was attributed to synergistic interactions between nanosized VS4 particles and a highly conductive graphene network, which provided short diffusion pathways for Na+ ions and large contact areas between the electrolyte and electrode, resulting in considerably improved electrochemical kinetic properties. PMID- 29205949 TI - Improving Defect-Based Quantum Emitters in Silicon Carbide via Inorganic Passivation. AB - Defect-based color centers in wide-bandgap crystalline solids are actively being explored for quantum information science, sensing, and imaging. Unfortunately, the luminescent properties of these emitters are frequently degraded by blinking and photobleaching that arise from poorly passivated host crystal surfaces. Here, a new method for stabilizing the photoluminescence and charge state of color centers based on epitaxial growth of an inorganic passivation layer is presented. Specifically, carbon antisite-vacancy pairs (CAV centers) in 4H-SiC, which serve as single-photon emitters at visible wavelengths, are used as a model system to demonstrate the power of this inorganic passivation scheme. Analysis of CAV centers with scanning confocal microscopy indicates a dramatic improvement in photostability and an enhancement in emission after growth of an epitaxial AlN passivation layer. Permanent, spatially selective control of the defect charge state can also be achieved by exploiting the mismatch in spontaneous polarization at the AlN/SiC interface. These results demonstrate that epitaxial inorganic passivation of defect-based quantum emitters provides a new method for enhancing photostability, emission, and charge state stability of these color centers. PMID- 29205950 TI - Biodegradable Nanoparticles Enhanced Adhesiveness of Mussel-Like Hydrogels at Tissue Interface. AB - Popular bioadhesives, such as fibrin, cyanoacrylate, and albumin-glutaraldehyde based materials, have been applied for clinical applications in wound healing, drug delivery, and bone and soft tissue engineering; however, their performances are limited by weak adhesion strength and rapid degradation. In this study a mussel-inspired, nanocomposite-based, biodegradable tissue adhesive is developed by blending poly(lactic-co-glycolic acid) (PLGA) or N-hydroxysuccinimide modified PLGA nanoparticles (PLGA-NHS) with mussel-inspired alginate-dopamine polymer (Alg Dopa). Adhesive strength measurement of the nanocomposites on porcine skin-muscle constructs reveals that the incorporation of nanoparticles in Alg-Dopa significantly enhances the tissue adhesive strength compared to the mussel inspired adhesive alone. The nanocomposite formed by PLGA-NHS nanoparticles shows higher lap shear strength of 33 +/- 3 kPa, compared to that of Alg-Dopa hydrogel alone (14 +/- 2 kPa). In addition, these nanocomposites are degradable and cytocompatible in vitro, and elicit in vivo minimal inflammatory responses in a rat model, suggesting clinical potential of these nanocomposites as bioadhesives. PMID- 29205952 TI - Issue Information - IFA. PMID- 29205951 TI - Identification of differentially expressed genes involved in spore germination of Penicillium expansum by comparative transcriptome and proteome approaches. AB - In this study, Penicillium expansum, a common destructive phytopathogen and patulin producer was isolated from naturally infected apple fruits and identified by morphological observation and rDNA-internal transcribed spacer analysis. Subsequently, a global view of the transcriptome and proteome alteration of P. expansum spores during germination was evaluated by RNA-seq (RNA sequencing) and iTRAQ (isobaric tags for relative and absolute quantitation) approaches. A total of 3,026 differentially expressed genes (DEGs), 77 differentially expressed predicted transcription factors and 489 differentially expressed proteins (DEPs) were identified. The next step involved screening out 130 overlapped candidates through correlation analysis between the RNA-seq and iTRAQ datasets. Part of them showed a different expression trend in the mRNA and protein levels, and most of them were involved in metabolism and genetic information processing. These results not only highlighted a set of genes and proteins that were important in deciphering the molecular processes of P. expansum germination but also laid the foundation to develop effective control methods and adequate environmental conditions. PMID- 29205953 TI - Designing the Macrocyclic Dimension in Main Group Chemistry. AB - Outside the confines and well-established domain of organic chemistry, the systematic building of large macromolecular arrangements based on non-carbon elements represents a significant and exciting challenge. Our aim in the past two decades has been to develop robust synthetic methods to construct new types of main group architectures in a methodical way, principles of design that parallel those used in the organic arena. This Concept article addresses the fundamental thermodynamic and kinetic problems involved in the design and synthesis of main group macrocycles and looks to future developments of macromolecules in this area, as well as new applications in coordination chemistry. PMID- 29205954 TI - Mechanisms underpinning sympathetic nervous activity and its modulation using transcutaneous vagus nerve stimulation. AB - NEW FINDINGS: What is the topic of this review? This review briefly considers what modulates sympathetic nerve activity and how it may change as we age or in pathological conditions. It then focuses on transcutaneous vagus nerve stimulation, a method of neuromodulation in autonomic cardiovascular control. What advances does it highlight? The review considers the pathways involved in eliciting the changes in autonomic balance seen with transcutaneous vagus nerve stimulation in relationship to other neuromodulatory techniques. The autonomic nervous system, consisting of the sympathetic and parasympathetic branches, is a major contributor to the maintenance of cardiovascular variables within homeostatic limits. As we age or in certain pathological conditions, the balance between the two branches changes such that sympathetic activity is more dominant, and this change in dominance is negatively correlated with prognosis in conditions such as heart failure. We have shown that non-invasive stimulation of the tragus of the ear increases parasympathetic activity and reduces sympathetic activity and that the extent of this effect is correlated with the baseline cardiovascular parameters of different subjects. The effects could be attributable to activation of the afferent branch of the vagus and, potentially, other sensory nerves in that region. This indicates that tragus stimulation may be a viable treatment in disorders where autonomic activity to the heart is compromised. PMID- 29205955 TI - Selection of antioxidants against ovarian oxidative stress in mouse model. AB - Oxidative stress (OS) plays an important role in the process of ovarian granulosa cell apoptosis and follicular atresia. The aim of this study was to select antioxidant against OS in ovary tissue. Firstly, we chose the six antioxidants and analyzed the reactive oxygen species (ROS) level in the ovary tissue. The results showed that proanthocyanidins, gallic acid, curcumin, and carotene decrease the ROS level compared with control group. We further demonstrated that both proanthocyanidins and gallic acid increase the antioxidant enzymes activity. Moreover, change in the ROS level was not observed in proanthocyanidins and gallic acid group of brain, liver, spleen, and kidney tissues. Finally, we found that proanthocyanidins and gallic acid inhibit pro-apoptotic genes expression in granulosa cells. Taken together, proanthocyanidins and gallic acid may be the most acceptable and optimal antioxidants specifically against ovarian OS and also may be involved in the inhibition of granulosa cells apoptosis in mouse ovary. PMID- 29205956 TI - Generating Hydrated Electrons for Chemical Syntheses by Using a Green Light Emitting Diode (LED). AB - We present the first working system for accessing and utilizing laboratory-scale concentrations of hydrated electrons by photoredox catalysis with a green light emitting diode (LED). Decisive are micellar compartmentalization and photon pooling in an intermediate that decays with second-order kinetics. The only consumable is the nontoxic and bioavailable vitamin C. A turnover number of 1380 shows the LED method to be on par with electron generation by high-power pulsed lasers, but at a fraction of the cost. The extreme reducing power of the electron and its long unquenched life as a ground-state species are synergistic. We demonstrate the applicability to the dechlorination, defluorination, and hydrogenation of compounds that are inert towards all other visible-light photoredox catalysts known to date. A comprehensive mechanistic investigation from microseconds to hours yields results of general validity for photoredox catalysis with photon pooling, allowing optimization and upscaling. PMID- 29205957 TI - Comparison of two tools to assess dyad feeding interaction in infants with gastroesophageal reflux disease. AB - PURPOSE: The aim of this study was to compare the Mother-Infant/Toddler Feeding Scale (MITFS) and the Nursing Child Assessment Feeding Scale (NCAFS). Specific questions were as follows: (1) Are there differences between the results of the MITFS and the NCAFS tools in terms of rating infant feeding interactions? And (2) does one tool provide a more detailed, nuanced overview of the quality of feeding interactions than the other? DESIGN AND METHODS: This comparative descriptive study is a secondary analysis of a study evaluating a massage intervention for infants with symptoms of gastroesophageal reflux disease (GERD). A feeding observation for each dyad was scored using both the NCAFS and MITFS. Infants were 6-18 weeks of age. RESULTS: There were moderate correlations (r = 0.3-0.8) between 11 of 20 possible NCAFS and MITFS mother-related subscales, and between 3 of 10 possible NCAFS and the MITFS infant-related subscales. A total of 19 dyads (83%) had one or more NCAFS subscale scores that were at least 1 standard deviation (SD) below normative scores, and 21 dyads (91%) had one or more MITFS subscale T-scores that deviated 1 SD from the normative T-scores. Agreement between the two instruments on scores deviating from the norm was 78%. PRACTICE IMPLICATIONS: Both instruments discussed in this paper are standardized ways of assessing an infant feeding. Use of a standardized feeding tool is an objective way to evaluate feedings and can potentially identify specific areas of concern to guide an individualized intervention for a mother-infant dyad. Thus, nurses and other health professionals working with mothers and babies, whether in the hospital, pediatrician offices, or clinics would benefit from learning how to use a standardized feeding tool. Use of a feeding tool also provides the opportunity for nurses to understand the basis of important qualities of a feeding interaction, and a way for nurses who regularly feed infants to self-evaluate their feeding methods. This may minimize less than optimal interactions and allow for optimal support for infants during feedings by mothers and nurses. PMID- 29205958 TI - Encapsulation of Gold Nanoparticles into DNA Minimal Cages for 3D-Anisotropic Functionalization and Assembly. AB - Gold nanoparticles (AuNPs) endowed with anisotropic DNA valency are an important class of materials, as they can assemble into complex structures with a minimal number of DNA strands. However, methods to encode 3D DNA strand patterns on AuNPs with a controlled number of unique DNA strands in a predesigned spatial arrangement remain elusive. In this work, a simple one-step method to yield such DNA-decorated AuNPs is demonstrated, through encapsulating AuNPs into DNA minimal nanocages. The AuNP@DNA cage encapsulation complex inherits the 3D anisotropic molecular information from the DNA nanocage with enhanced structural stability. The DNA nanocage can be further functionalized and used as a building block for the self-assembly of complex architectures, such as dimers and trimers, programmed assemblies with sequential growth DNA backbones and DNA origami. PMID- 29205960 TI - What do medical students learn from dissection? AB - Dissection has long been the accepted method for teaching anatomy to medical students. More recently, some educators have suggested that easier, cheaper, alternative methods are just as effective. But what do the students think? This paper aimed to identify what undergraduate medical students learn, how they cope, and what effects participating in dissection has on them as individuals. A cohort of 267 second year medical students at Otago Medical School were invited to complete three online surveys; before their first dissection laboratory class, after their first musculoskeletal system dissection and following the last semester of studying anatomy. Open-ended questions showcasing the attitudes, beliefs, and opinions on what dissection had taught the medical students over years two and three were analyzed. A general inductive approach was used and common emergent themes were identified. In total, 194 students completed the second, and 108 students completed the third questionnaire. Students commonly conveyed dissection as an appropriate and valuable educational tool, useful for teaching and learning anatomical knowledge and relationships, appreciating the body in three-dimension, teamwork, and how to cope with death/dead bodies. The noted effects of personal growth while participating in dissection were highly varied, but in general, impacted positively on the majority of students. This study shows that at Otago Medical School the students also believe that dissection is not only a useful tool to learn anatomy but also that it fosters teamwork, assists professional development and helps them come to terms with death and dying. Anat Sci Educ 11: 325-335. (c) 2017 American Association of Anatomists. PMID- 29205959 TI - Maintenance and assessment of cell viability in formulation of non-sporulating bacterial inoculants. AB - The application of beneficial, plant-associated microorganisms is a sustainable approach to improving crop performance in agriculture. However, microbial inoculants are often susceptible to prolonged periods of storage and deleterious environmental factors, which negatively impact their viability and ultimately limit efficacy in the field. This particularly concerns non-sporulating bacteria. To overcome this challenge, the availability of protective formulations is crucial. Numerous parameters influence the viability of microbial cells, with drying procedures generally being among the most critical ones. Thus, technological advances to attenuate the desiccation stress imposed on living cells are key to successful formulation development. In this review, we discuss the core aspects important to consider when aiming at high cell viability of non sporulating bacteria to be applied as microbial inoculants in agriculture. We elaborate the suitability of commonly applied drying methods (freeze-drying, vacuum-drying, spray-drying, fluidized bed-drying, air-drying) and potential measures to prevent cell damage from desiccation (externally applied protectants, stress pre-conditioning, triggering of exopolysaccharide secretion, 'helper' strains). Furthermore, we point out methods for assessing bacterial viability, such as colony counting, spectrophotometry, microcalorimetry, flow cytometry and viability qPCR. Choosing appropriate technologies for maintenance of cell viability and evaluation thereof will render formulation development more efficient. This in turn will aid in utilizing the vast potential of promising, plant beneficial bacteria as sustainable alternatives to standard agrochemicals. PMID- 29205961 TI - HER2/HER3-positive metastatic salivary duct carcinoma in the pleural effusion: A case report. AB - Salivary duct carcinoma (SDC) is an aggressive form of salivary gland tumor, and SDC patients tend to be older men, more commonly in advanced stage with a poorer prognosis. Although the cytological characteristics of SDC on fine-needle aspiration cytology have been well-described at the primary site, they have not been explored in metastasis. Here we reported a case of HER2/HER3-positive metastatic SDC in the lung and pleural effusion. The patient was a man in his 50s who had undergone extended total parotidectomy in 2008. He was originally diagnosed as having HER2-positive left parotid SDC. Six years later a mass was discovered in the left lung by chest computed tomography (CT) and was diagnosed as metastatic SDC by both bronchial biopsy and cytology. Subsequently he had a recurrent SDC in the left pleural effusion and died of respiratory failure. Cytological findings from bronchial brushing smear showed small sheet clusters in a slightly necrotic background. In the pleural effusion cytology, tumor cells appeared as ball-like clusters of epithelioid cells with apocrine-like findings. In immunocytochemistry, HER3 of SDC cells in pleural effusion was significantly overexpressed relative to the matched primary tumor, even though HER2 amplification did not change. Cytological findings and HER family receptors differed between the primary and metastatic SDC. Therefore, molecular tests, such as protein expression and gene amplification using cytological specimens, may become important in future when determining therapy strategies in patients with distant metastasis. PMID- 29205962 TI - [Genes Expression in the Early Stage of Acute Renal Ischemia-reperfusion Injury in Rats]. AB - OBJECTIVES: To study the differential genes expression in the early stage of acute renal ischemia-reperfusion injury and explore potential molecular mechanisms. METHODS: The ischemia-reperfusion model was made via clamping renal artery of rat. The microarray detection and bioinformatics analyzing of the genes expression were performed. Differentially expressed genes were screened and related cellular activities and signaling pathways were analyzed in early stage of acute kidney injury. Meanwhile, molecules closely relative to acute kidney injury were explored by establishing a biological network of the differentially expressed genes, and the results were verified by real-time PCR. RESULTS: A total of 151 genes showed differential expression in this study, including 132 up regulated and 19 down-regulated genes. Cell proliferation, cytokines mediated signaling transduction and immune responses were greatly enriched by GO and KEGG analysis. The results of real-time PCR showed that compared with control groups, three selected genes (ANXA1, PHLDA1 and KLF6) which related to the acute kidney injury had an obvious differential expression in the early stage of disease. The multiple of increase was essentially the same as the multiple detected by microarray. CONCLUSIONS: This study shows differential gene expression profile, related biological processes and signaling pathways involved in the early stage of acute kidney injury. ANXA1, PHLDA1 and KLF6 may play a role in the pathogenesis of acute kidney injury. PMID- 29205963 TI - [Relationship between the Expression of alpha-syn and Neuronal Apoptosis in Brain Cortex of Acute Alcoholism Rats]. AB - OBJECTIVES: To observe the changes of expression of alpha-synuclein (alpha-syn) and neuronal apoptosis in brain cortex of acute alcoholism rats and to explore the mechanism of the damage caused by ethanol to the neurons. METHODS: The model of acute alcoholism rat was established by 50% alcohol gavage. The alpha-syn and caspase-3 were detected by immunohistochemical staining and imaging analysis at 1 h, 3 h, 6 h and 12 h after acute alcoholism. The number of positive cell and mean of optical density were detected and the trend change was analyzed. The variance analysis and t-test were also performed. RESULTS: The number of alpha-syn positive cell and average optical density in brain cortex of acute alcoholism rat increased significantly and peaked at 6 hour with a following slight decrease at 12 h, but still higher than the groups at 1 h and 3 h. Within 12 hours after poisoning, the number of caspase-3 positive cell and average optical density in brain cortex of rats gradually increased. CONCLUSIONS: The abnormal aggregation of alpha-syn caused by brain edema and hypoxia may participate the early stage of neuronal apoptosis in brain cortex after acute alcoholism. PMID- 29205964 TI - [Changes of HbCO in the Blood of Rats with Different CO Concentration and Inhalation Time]. AB - OBJECTIVES: To explore the change rules of behavioral characteristics, survival time and saturation of carboxyhemoglobin (HbCO) in different CO concentration to provide experimental basis for the cases of CO poisoning death in forensic practice. METHODS: Total 160 SD rats were randomly divided into four groups. CO with the concentration of 1 250 mg/m3, 3 750 mg/m3, 6 250 mg/m3 were continuously and respectively replenished in a self-made toxicant exposure equipment until rats died from poisoning. In different CO concentration, the behavioral characteristics and survival time of poisoning rats were observed and recorded. The saturation of HbCO in heart blood was detected by spectrophotometric method. Organs such as brain, heart, lung and liver, and heart blood were obtained via autopsy and histopathological observation was performed. RESULTS: The behavioral characteristics of CO poisoning rats were limp and slow response. There were a gradual decrease of survival time and an increase of HbCO saturation in rats with the increase of CO concentration. Three rats in CO concentration of 1 250 mg/m3 group showed lower saturations of HbCO than the lethal dose and this situation hasn't been found in other groups. CONCLUSIONS: The animal model of CO poisoning established under different CO concentration has the advantages such as simplicity and good repeatability, which lays a foundation to the further study for CO and other inhaled toxic gas in the research of forensic sciences. PMID- 29205965 TI - [Diatoms Distribution in Ningbo Three-river Watershed during Summer]. AB - OBJECTIVES: To explore the species, quantity and distribution of diatoms in Ningbo three-river watershed during summer and to provide scientific basis for forensic examination of drowning cases in the waters of Ningbo. METHODS: Water samples were collected in July and August of 2015. Fourteen water sampling points were selected from the Yao River, the Fenghua River and the Yong River. The morphological features of diatom species and dominant diatoms were distinguished by microscope. RESULTS: A total of 16 species of diatoms were detected in the Yao River, the Fenghua River and the Yong River. Melosira was the dominant species in the Yao River, and the quantity and richness were higher than in other rivers. The richness of Cyclotella in the Yong River was higher than in other rivers. The richness of Pinnularia and Licmophora were higher in the Fenghua River than in the Yao River and the Yong River. CONCLUSIONS: The species and proportion of diatom is different in each river. Database of the species and relative composition for the diatoms in corresponding river is established, which may provide data support for forensic examination of drowning cases in Ningbo three river watershed. PMID- 29205966 TI - [Expression of XPG Gene in Forensic Age Estimation]. AB - OBJECTIVES: To explore the expression of xeroderma pigmentosum complementation group G (XPG) gene in healthy Han population of different ages and to analysis the relationship between the mRNA and protein expression levels of XPG and age, which may provide a new molecular-biological indicator for forensic age determination. METHODS: Total 150 samples of peripheral blood were collected from healthy Han population of different ages. Total RNA of peripheral blood mononuclear cell (PBMC) were extracted by TRIzol method, and the relative expression of XPG mRNA in PBMC was detected by quantitative real-time PCR, and the protein expression levels of XPG in plasma were detected by ELISA. RESULTS: The mRNA and protein expression levels of XPG in <=18 years old group were significantly different from 19-45 years old group and >=46 years old group (P<0.05), while there was no significant difference between 19-45 years old group and >=46 years old group (P>0.05). No significant sex differences were observed in mRNA and protein expression levels of XPG (P>0.05). CONCLUSIONS: The relative expression level of XPG mRNA in PBMC declines with the increase of age in younger age, while the protein expression level in plasma increases with age, and XPG gene can be used as one of new markers for forensic age estimation. PMID- 29205967 TI - [Forensic Application of 16 X-STR Loci in Henan Han Population]. AB - OBJECTIVES: To investigate the genetic data of 16 X-STR loci in Henan Han population and to assess the application value in forensic science. METHODS: The DNA of 326 unrelated individuals in Henan Han population were amplified using GoldeneyeTM DNA identification system 17X kit, and the PCR products were analyzed by electrophoresis through 3130xl genetic analyzer. The fragment sizes of alleles were analyzed subsequently by GeneMapper(r) ID-X. Allele frequencies and population genetics parameters of 16 X-STR loci were analyzed statistically and compared with the available data of other Han populations from different regions. RESULTS: Among the 16 X-STR loci, DXS6800 were found to be moderately polymorphic and the other 15 X-STR loci were highly polymorphic. The cumulative discrimination power in females and males were 0.999 999 999 999 992 and 0.999 999 996 577 712, respectively. The combined power of exclusion in trios and in duos were 0.999 999 971 and 0.999 992 574, respectively. CONCLUSIONS: The 16 X STR loci meet the application requires of forensic genetics, especially for testing the special paternity cases. PMID- 29205968 TI - [Effect of the Chinese Herbal Medicinal Ingredients in Huoxiang Zhengqi Liquid on Alcohol Metabolism in Rats]. AB - OBJECTIVES: To study the changes of alcohol content and pharmacokinetic parameter in rats after taking Huoxiang Zhengqi liquid. METHODS: The rats were randomly divided into three groups and given with white alcohol at the dose of 3.0 mL/kg, low-dose and high-dose Chinese medicine liquor, respectively. The blood was collected before administration and 5 min, 10 min, 15 min, 30 min, 1 h, 2 h, 3 h, 4 h, 5 h, 6 h and 8 h after administration by cutting rats' tails. The concentrations of alcohol in blood were detected by headspace-gas chromatography method. The main pharmacokinetic parameters were calculated by DAS 2.0, and then analyzed by SPSS 17.0. RESULTS: The difference of maximum blood concentrations between high-dose Chinese medicine alcohol group and white alcohol group was statistically significant (P<0.05). There was no significant difference in other pharmacokinetic parameters among three groups (P>0.05). CONCLUSIONS: The Chinese herbal medicinal ingredients in the Huoxiang Zhengqi liquid has no effect on the metabolism and elimination of ethanol in rats. The research provides useful reference for the qualitative assessment and processing of traffic accident cases involved in Huoxiang Zhengqi liquid and the studies related to drug-interaction. PMID- 29205969 TI - [Forensic Analysis of the Characteristics of Pelvic Fracture in 65 Road Traffic Accident Death Cases]. AB - OBJECTIVES: To analyze the characteristics and mechanisms of pelvic fractures in the cases of road traffic accident deaths. METHODS: Total 65 cases of road traffic accident deaths with pelvic fracture were collected, and the sites, characteristics and injury mechanisms of pelvic fracture were statistically analyzed. RESULTS: Among the 65 cases of pelvic fracture, 38 cases of dislocation of sacroiliac joint were found, and most combined with pubis symphysis separation or fracture of pubis. In the fractures of pubis, ischium and acetabulum, linear fractures were most common, while comminuted fractures were most common in sacrum and coccyx fractures. There were 54 cases combined with pelvic soft tissue injury, and 8 cases with pelvic organ injury and 44 cases with abdominal organ injury. In the types of pelvic ring injury, 32 cases were separation, 49.32%, followed by compression, 26.15% and only one case was verticality, 1.54%. CONCLUSIONS: Detailed and comprehensive examination of the body and determination of the pelvic fracture type contribute to analyze the mechanisms of injury. PMID- 29205970 TI - [Retrospective Analysis of 17 Family Homicide Cases]. AB - OBJECTIVES: To summarize the characteristics of family homicide cases and to provide reference for the analysis and prevention of such cases. METHODS: Seventeen solved family homicide cases in Liyang from 2004 to 2014 were investigated. The original registration information, record of scene investigation, corpse inspection report and case situation were analyzed statistically. RESULTS: The characteristics of the 17 family homicides cases showed that most victims were female and most suspects were male, and spouse infidelity and suspected spouse infidelity have higher proportion in the motives for the killings. Murders by patients with psychosis, camouflage murders and murder-suicides occupied a certain proportion in the family homicide cases. CONCLUSIONS: The family homicide cases are correlated with the family factors such as extramarital sexual intercourse and murder by patients with psychosis. Some suspects suicided after murder. The tools for committing crimes have the features of simplicity, randomness and easy source availability. PMID- 29205971 TI - [Analysis of the Injury-disease Relationship between Spondylolysis and Trauma in 26 Forensic Identifications]. AB - OBJECTIVES: To expound the injury-disease relationship between spondylolysis and trauma for the points of forensic identification. METHODS: Total 26 cases of spondylolysis were collected and the characteristics of this disease such as age, accompanied symptoms, treatment and injury manner were discussed. RESULTS: The causal relationship existed between trauma and injury consequence in 2 appraised individuals and both of them aged less than 50 years old. The injury manners of both were high-energy injury with combined injury and these 2 patients were treated by operation. CONCLUSIONS: The analysis of injury-disease relationship between spondylolysis and trauma should be paid attention in the middle-young age under 50 years old. More importantly, the injury-disease relationship should be analyzed in the patients who chose operative treatment. PMID- 29205972 TI - [Microdeletion and Mutation of Y Chromosome in Full Sibling Identification]. AB - OBJECTIVES: To explore the identification method of full sibling between two males with microdeletion and mutation of Y chromosome. METHODS: DNA were extracted from two samples. The type testing of Y-STR and autosomal STR were performed. Full sibling between two individuals was calculated by IBS, ITO and discriminant functions methods. RESULTS: There were 2 loci mutations existed in 33 Y-STR loci and one of the two samples had 19 loci deletions. The IBS of two samples was 53 and greater than the threshold which was 42; FSI was 1.36*1016 and far greater than 19. The discriminant function of full sibling-unrelated individual DFS2 was greater than DR2, which meant the two individuals tend to be full sibling. CONCLUSIONS: The methods of IBS, ITO and discriminant functions of full sibling-unrelated individual can be used comprehensively to provide more reliable expert opinion in microdeletion and mutation of Y chromosome in full sibling identification. PMID- 29205973 TI - [Application of COI Gene Mini-barcoding in Species Identification of Hair]. AB - OBJECTIVES: To identify the species of mammalian hair using COI gene mini barcoding technology. METHODS: A pair of universal primers for mammalian COI gene mini-barcoding were designed. The hair DNA samples of experimental animals from 11 species in 5 orders, mammalia was amplified by PCR technology with universal primers, and the PCR products were sequenced by bi-directional DNA and after the sequences splicing the results were deposited into the BOLD database to perform the homology comparison. RESULTS: The DNA of hair from all experiment animal species could be totally amplified by the mini-barcoding universal primers designed in this study. The length of amplified fragment was 147 bp. The result of homology comparison in the database showed that the closest matching species were consistent with the experiment animal species. In addition to the matching degree of Panthera leo (98.99%), all homology matching degree of the other experiment animals were 100%, and the intraspecific genetic distance of Panthera leo was 1%. The interspecific genetic distance was ten times more than the intraspecific genetic distance which could be used for species identification. CONCLUSIONS: The COI gene mini-barcode technology is established and can provide fast and accurate species identification for hair of mammals. PMID- 29205974 TI - [Research Progress on Estimation of Early Postmortem Interval]. AB - Estimation of postmortem interval (PMI) is very important for judging the nature of cases, restricting the scope of investigation and suspect, which is always the emphasis and difficulty for forensic pathology. Early postmortem interval is the time between 0 and 24 hours after death. Due to the shorter time after the case occurred, precisely estimating early postmortem interval can help solve crimes, which has important significance in forensic medicine. In recent years, series of advanced methods and technologies are used to estimate the early PMI by the internal and overseas scholars who work in the forensic area. This paper reviews the research progress on fluids biochemistry, supravital reactions, metabolomics, imageology and the degradation rule of genetic material to provide a new idea to the study and application for estimation of early PMI. PMID- 29205975 TI - [Research Progress on Biomechanics of Craniocerebral Injury in Children]. AB - In the researches of biomechanics for child craniocerebral injury, the research progress of performance parameter detection for brain, skull, cranial suture and dura mater, and the finite element model construction for child's head were reviewed. Meanwhile, the shortcomings of the established finite element model construction of child's head were analyzed. Thus, it is necessary to strengthen the material properties parameter detection of child's head, and establish the relevant database, so as to lay the foundation for establishing an accurate finite element model of child's head. PMID- 29205976 TI - [Research Progress of the Death Caused by Insulin Intoxication]. AB - In recent years, with the sustained increase of the incidence of diabetes in humans and the wider use of exogenous insulin, the cases of inappropriate use and overdose of insulin is growing, even the cases of suicide and homicide using insulin. Through searching the literature at home and abroad about the mechanism, clinical and case report of poisoning and death caused by insulin intoxication, this paper reviews the mechanism, clinical manifestations, pathological changes, and forensic examination. PMID- 29205977 TI - Evaluation of combined effects of brain electronic biofeedback training and psycho-behavior intervention in ADHD affected children. AB - BACKGROUND: The present study aimed to explore the potential effects of brain electronic biofeedback training in combination with psycho-behavior intervention during non-medical treatment of children with attention deficit hyperactivity disorder (ADHD). METHODS: The children with ADHD admitted to our department from January 2015 to January 2016 were selected as the study subjects. All the cases met the standard of Chinese classification of mental disorders criterion and were divided into two groups, the control group and the observation group, with 15 cases in each group. Medical treatment and brain electronic biofeedback training were provided for the children in the control group; while medical treatment and brain electronic biofeedback training in combination with psycho-behavior intervention were provided to children in the observation group. For both groups, one course lasted for three months, after which questionnaires were distribute in order to evaluate the application effects. RESULTS: The symptoms of the children in the two groups were improved after the treatment. However, the improvement in observation group was significantly higher that of the children in the control group. CONCLUSIONS: Brain electronic biofeedback training in combination with psycho-behavior intervention is significantly better treatment option for children affected with ADHD. PMID- 29205978 TI - Current views of pediatric amblyopia. PMID- 29205979 TI - Update on Current Care Guideline: Periodontitis. AB - Periodontitis is common in the adult Finnish population. Also the prevalence of peri-implant diseases increases. As symptoms are rare, affected patients seldom seek dental care but require attention through the health care system. A careful periodontal screening, including risk assessment, is essential. Individual brushing and interdental cleaning instructions, as well as tobacco counseling, are important in preventing and treating these diseases, Early signs of periodontitis are indication for treatment, including necessary maintenance visits, preventing the severe periodontitis and its harmful consequences for the patient's dentition and general health. PMID- 29205980 TI - Retinopathy of prematurity - from recognition of risk factors to treatment recommendations. AB - Retinopathy of prematurity is a proliferative retinal disorder diagnosed exclusively in prematurely born infants. In retinopathy of prematurity, growth of the retinal vasculature is disturbed, leading to hypoxia-induced pathological changes typical of retinopathy of prematurity, in the worst case resulting in retinal detachment. The most typical risk factors predisposing to the disease include hyperoxemia, low levels of insulin-like growth factor 1 (IGF-I), and low birth weight in relation to weeks of pregnancy. Laser therapy of peripheral retina is the currently established form of treatment. Screening is applied in order to recognize the pathological changes in retinopathy of prematurity early enough. PMID- 29205981 TI - Pregnancy and delivery after a cesarean section. AB - One out of seven of all parturients and one out of five primigravid women deliver by caesarean section. Of four women having undergone caesarean section, three will give birth vaginally, provided that the indication for surgery has been temporary by nature. Spontaneous beginning of labor and a previous vaginal delivery improve the chances of succesful of vaginal delivery. Rupture of the uterus in subsequent pregnancies is the most feared sequel to a caesarean section, with an occurrence of 0.2 to 1.5%. Delivery by caesarean is indicated in case of previous rupture of the uterus, hysterotomy through vertical incision, and more than two previous caesarean sections. PMID- 29205982 TI - Spasticity or periodic limb movements? AB - BACKGROUND: Spasticity and spasms are distressing features of the upper motor neuron syndrome (UMNS) following spinal cord injuries (SCI) or multiple sclerosis (MS), and have common therapeutic implications. Despite an increase of antispastic drugs and strategies, sometimes up to the surgical implant of intrathecal baclofen pump, some patients still complain of disabling spasms, which poses diagnostic and therapeutic challenges. Although clinically similar, flexor spasms due to pyramidal tract disruption must be clearly differentiated from periodic limb movements (PLM), often accompanying restless leg syndrome (RLS) and occurring during sleep. We raised the hypothesis of this differential as a diagnostic confusion in this particular population. AIM: The aim of this study was twofold: 1) to search for RLS with PLM in consecutive patients referred for uncontrolled disabling spasms despite treatment, by nocturnal polysomnography (PSG); 2) to report the efficacy of dopaminergic agonists on PLM in this population. DESIGN: Observational prospective study. SETTING: Spasticity Clinic at the Raymond-Poincare University Hospital, Garches, France. POPULATION: All consecutive patients with MS or SCI, referred to our spasticity clinic from March 2014 to July 2016 for the management of persistent and disabling spasms despite treatment. Obvious daytime spasticity or flexor spasms were not considered. When spasms prevailed at evening, night, or in supine position, patients underwent a nocturnal PSG. METHODS: Patients were assessed for RLS by clinical interview and for PLM by PSG. Patients with confirmed PLM (>=15 per hour of sleep) were treated with low dosage of pramipexole (after an iron deficiency was ruled out) and reassessed by PSG the following night. RESULTS: Forty-five patients were included. All fulfilled RLS criteria, and PLMs were confirmed in 39 patients. Median PLM index, and related arousals were 45.9 (19.8-76.2) and 5.1 (1.5-15) events per hour respectively. Nine patients treated with pramipexole underwent an early second PSG which showed an improvement of PLM index and arousals (P=0.0007 and P=0.01, respectively). CONCLUSIONS: In this princeps study, we demonstrated that in SCI and MS patients, "persistent spasms" inefficiently treated by antispastic drugs could in fact be PLM. Furthermore, we first reported the efficacy of dopaminergic agonists for PLM in an MS and SCI population. CLINICAL REHABILITATION IMPACT: This study brings new insights on abnormal movements, often misinterpreted as spasticity, and their management. We suggest to include a PSG in the diagnostic approach of uncontrolled spasms prevailing at night or in supine position, to search for PLM, which are easily treatable. PMID- 29205983 TI - Treatment of proximal humerus fractures in the elderly. AB - A proximal humerus fracture typically occurs when an elderly woman falls directly onto her shoulder or on her outstretched arm. Local pain in the shoulder and immobility of the upper arm raise a suspicion of a significant injury. Other bone and tendon injuries in the shoulder region as well as dislocation of the shoulder should be considered on differential diagnosis. Diagnosis is achieved by plain X ray. Most fractures can be treated conservatively. Consultation with an orthopedist is needed, if there are several fracture fragments with extensive dislocation. PMID- 29205984 TI - Liver trauma in a young woman. AB - A young woman fell off a horse, leaving her right flank contused by a hoof. This resulted in a severe liver trauma that seemed to require surgical treatment. After fluid resuscitation and five units of red blood cells the patient's status, however, stabilized upon entering the operating room. The operation was avoided, but intensive care follow-up was continued for six days. The patient made a complete recovery. Conservative treatment of liver trauma is successful in 90% of mild and almost 70% in severe traumas. PMID- 29205985 TI - Current Care Guideline: Age-related macular degeneration (AMD). AB - Age-related macular degeneration (AMD) is the main cause of visual impairment in developed countries. Several improvements in the visualization of posterior segment of the eye together with the introduction of intravitreal anti-VEGF treatment have revolutionized the prognosis of the wet form of AMD (wAMD). Increasing incidence of wAMD together with the limited resources of the healthcare systems pose challenges for the provision and development of care. In context of these current aspects, we aim to set evidence-based guidelines for diagnosis, treatment and follow-up of patients with wAMD. PMID- 29205986 TI - Acute pericarditis. AB - Acute pericarditis is typically associated with a viral infection. Chest pain appearing in connection with or soon after the symptoms of infection is the characteristic symptom. Diagnosis is based on the recognition of two characteristic findings (pericardial chest pain, pericardial friction rub, new ECG changes or new pericardial effusion). Medication with an anti-inflammatory analgesic for 1 to 2 weeks is the first-line treatment. A longer course of colchicine is recommended for the prevention of recurrence of the disease. The use of glucocorticoids should be avoided due to the associated risk of recurrence. Exercise and physical activity are harmful during pericarditis. PMID- 29205987 TI - Recurrent pericarditis. AB - Recurrent pericarditis is the most common and problematic complication of acute pericarditis. After acute pericarditis, the pericarditis recurs in 20 to 50% of the patients. In most cases the etiology of pericarditis remains unclear, although it is generally thought to arise by an immunological mechanism. NSAID medication in combination with colchicine is the cornerstone of the treatment. Corticosteroids should be used mainly for those in whom the first-line drug treatment is not sufficient or first-line treatments are contraindicated. PMID- 29205988 TI - Pericardial fluid: assessment and examination. AB - Pericardial fluid is a common finding on echocardiography. Less than 10 mm of fluid on ultrasound scan is not necessarily associated with any significant illness. Clinical examination, blood count, renal and liver enzymes and thyroid function tests as well as inflammatory marker tests are often adequate for a patient who is in good health. A significant amount of fluid requires further investigations, especially in a symptomatic patient. Cancers, infections and various systemic diseases are the most common causes of prominent effusion. PMID- 29205989 TI - Postpericardiotomy syndrome. AB - Postpericardiotomy syndrome (PPS) is a common complication following cardiac surgery. In most cases it develops 2 to 3 weeks after the operation. An inflammatory reaction develops in the pericardium or pleural space with fever, chest pain and dyspnea as typical symptoms. The disease process is usually self limiting. At present, the etiology is unknown, but an immunological mechanism is suspected as the cause of the disease. The incidence of PPS is essentially dependent on diagnostic criteria, patient group and type of operation. Treatment is carried out with anti-inflammatory analgesics, combined with colchicine in more severe cases. PMID- 29205990 TI - Pericardial drainage and sampling. AB - Invasive treatment of pericardial effusion comes into question when the volume of liquid in the pericardium limits the pumping action, the cause of effusion is unclear, the response to conservative treatment has been poor, or administration of a drug into the pericardium is desired. A number of surgical means or puncture techniques are available for pericardial drainage. We present the indications and modes of treatment for invasive treatment of pericardial effusion. Thrombi, pus or air may also occasionally be present in the pericardium, limiting the heart's pumping action. PMID- 29205991 TI - Cardiac deformation imaging. AB - Deformation imaging (strain imaging) is an echocardiographic method for evaluating myocardial function that is also suitable for clinical use. There are two deformation imaging techniques: Tissue Doppler and 2D strain (speckle tracking). Deformation imaging allows the measurement of regional myocardial deformation in three dimensions. Longitudinal deformation (strain) measures longitudinal myocardial fiber contraction, and reflects subendocardial myocardial function, which is usually the first to deteriorate in patients with heart disease. Reduced longitudinal strain can reveal heart disease even when ejection fraction and cardiac contractility appear normal. Deformation imaging can be used for diagnosing ischemia, distinguishing between pathological and physiological hypertrophy, and early detection of heart disease in hypertension or diabetes. Global longitudinal strain (GLS) is an indicator of overall left ventricular systolic function, and correlates with the prognosis better than ejection fraction. PMID- 29205992 TI - Curative effect of knee arthroplasty on patients with osteoarthritis and analysis of long-term joint function of these patients. AB - BACKGROUND: We aimed to explore the curative effect of knee arthroplasty on patients with osteoarthritis and analysis of their long-term joint function. METHODS: 96 cases of osteoarthritis patients, collected in our hospital from June 2010 to May 2011, were divided into control group and observation group (n=48, each group). Patients in observation group were treated by knee replacement, and patients in control group were treated by arthroscopic debridement. Bleeding during operation of patients and the operation time in both groups were comparable during their followed up for 6~60 months, with an average of 52 months. Neer score was used to compare the curative effect of patients after 6 months; knee society score (KSS) was used to compare knee joint function and knee joint of motion (ROM) of patients several days prior to surgery and after 6 months, 12 months, 24 months, and 48 months. Visual analogue scale (VAS) was used to compare pain degrees of patients at the last follow-up. RESULTS: By Neer score comparison, after 6 months excellent and good rate of pa in observation group (91.67%) was obviously highe than that of control group 70.83% (P<0.05); ROM of patients in observation group was obviously higher than that in control group (P<0.05); after six months, KSS score of patients in both groups greatly improved. As well, with the extension of time, their knee joint function showed a better trend, and KSS score of patients in observation group was obviously higher than that of control group (P < 0.05). Pain of patients in observation group was significantly lower than that in control group (P<0.05). CONCLUSION: Both the arthroscopy debridement and the knee replacement have good curative effect. The curative effect of knee replacement was better, postoperative knee joint activity was obviously improved, the long-term recovery of knee joint function was good, and knee replacement can reduce the pain of the patients. PMID- 29205993 TI - Should patients with schizophrenia receive antidepressants? AB - Antipsychotics play a key role in the pharmacological treatment of schizophrenia, and monotherapy is effective for most patients. Achieving an optimal treatment response is, however, often difficult. Combining an antidepressant drug to the antipsychotic regimen could potentially improve treatment outcomes, although the evidence supporting the use of such combinations is limited and contradictory. Positive evidence has mostly been obtained from the efficacy of antidepressants acting on monoamine receptors on the negative symptoms of schizophrenia. These receptor-active drugs may also improve cognition in schizophrenic patients. In the light of current knowledge, antidepressants do not appear to potentiate the psychotic symptoms of schizophrenic patients. However, there is no robust evidence of the efficacy of antidepressants in the treatment of schizophrenia related depression, and thus monotherapy with an antipsychotic drug is recommended for treating it. If using antidepressants in addition to antipsychotics is deemed necessary, the risk of pharmacodynamic and pharmacokinetic interactions should be kept in mind. PMID- 29205994 TI - Allergic rhinitis. AB - There have been no major changes in the pharmacological treatment of allergic rhinitis in recent years. Treatment is symptomatic and tailored individually, taking into account the type and severity of symptoms. Few new products have entered the market, and treatment is still largely based on antihistamines and nasally administered glucocorticoids. However, the general strategies for treating allergic rhinitis have developed over the last decade due to the introduction of the Finnish National Allergy Program. The treatment should aim at improving tolerance. Avoiding allergens is not necessary but it may help in controlling the symptoms. Hyposensitization, the only disease-modifying therapy, is a recommended, effective and safe form of treatment. New, practical sublingual hyposensitization products have facilitated treatment implementation and moved it from outpatient clinics into homes, which is a more patient-oriented approach and also cost-effective in the long term. However, the unit costs of treatment are relatively high for the patients. PMID- 29205996 TI - Current management of ovarian endometriomas. AB - The choice of treatment in case of ovarian endometriomas is one of the most discussed topics in Reproductive Medicine. Management options include expectancy, medical treatment, surgery, in vitro fertilization (IVF), or a combination of the above. The main presenting symptom, i.e. pain or infertility, usually guide the choice of treatment. Medical treatment is usually preferred as the first line option when pain is the associated symptom, whereas surgery or IVF are preferred in case of associated infertility. In most cases, however, the symptoms may overlap, and often a patient with infertility complains also of chronic pelvic pain, and vice versa. In addition, in many cases the patient may be asymptomatic, usually presenting with the incidental diagnosis of an ovarian endometrioma. Therefore, a strict categorization in two separate pathways of either associated pain or associated infertility, as the one outlined in current guidelines, may not represent the real clinical scenario. In this context, a personalized approach, taking into account several additional variables that are not considered in guidelines, is mandatory. In the present review, a symptom-driven approach to the management of ovarian endometriomas, that goes beyond the pain/infertility categorization, is described, considering additional parameters that guide the choice of treatment, with a patient-centered, personalized approach. PMID- 29205997 TI - Who would benefit from exome sequencing? AB - Next-generation sequencing methods have revolutionized the possibilities for analyzing the human genome. Sequencing the exome, the protein-encoding portion of the genome, is used, in clinical medicine, especially in the diagnosis of rare hereditary diseases, congenital developmental disorders and cancer. Using exome sequencing as a diagnostic test is justified when the results could lead to an accurate diagnosis, significantly influence the treatment and genetic counseling. It is a reliable method for detecting single base mutations as minor deletions and insertions. However, with current methods the reliable analysis of larger changes in the number of copies, the length or repeats and areas present in multiple copies in the genome is challenging. Every human has many mutations in their exome, and distinguishing between insignificant and pathogenic mutations is thus a key challenge when interpreting the results of exome sequencing. PMID- 29205995 TI - Volume and health outcomes: evidence from systematic reviews and from evaluation of Italian hospital data. AB - BACKGROUND Improving quality and effectiveness of healthcare is one of the priorities of health policies. Hospital or physician volume represents a measurable variable with an impact on effectiveness of healthcare. An Italian law calls for the definition of "qualitative, structural, technological, and quantitative standards of hospital care". There is a need for an evaluation of the available scientific evidence in order to identify qualitative, structural, technological, and quantitative standards of hospital care, including the volume of care above or below which the public and private hospitals may be accredited (or not) to provide specific healthcare interventions. OBJECTIVES To identify conditions/interventions for which an association between volume and outcome has been investigated. To identify conditions/interventions for which an association between volume and outcome has been proved. To analyze the distribution of Italian health providers by volume of activity. To measure the association between volume of care and outcomes of the health providers of the Italian National Health Service (NHS). METHODS Systematic review An overview of systematic reviews was performed searching PubMed, EMBASE, and The Cochrane Library up to November 2016. Studies were evaluated by 2 researchers independently; quality assessment was performed using the AMSTAR checklist. For each health condition and outcome, if available, total number of studies, participants, high volume cut-off values, and metanalysis have been reported. According to the considered outcomes, health topics were classified into 3 groups: positive association: a positive association was demonstrated in the majority of studies/participants and/or a pooled measure (metanalysis) with positive results was reported; lack of association: both studies and/or metanalysis showed no association; no sufficient evidence of association: both results of single studies and metanalysis do not allow to draw firm conclusions on the association between volume and outcome. Analysis of the distribution of Italian hospitals by volume of activity and the association between volume of activity and outcomes: the Italian National Outcome evaluation Programme 2016 The analyses were performed using the Hospital Information System and the National Tax Register (year 2015). For each condition, the number of hospitals by volume of activity was calculated. Hospitals with a volume lower than 3-5 cases/year were excluded. For conditions with more than 1,500 cases/year and frequency of outcome >=1%, the association between volume of care and outcome was analyzed estimating risk-adjusted outcomes. RESULTS Bibliographic searches identified 80 reviews, evaluating 48 different clinical areas. The main outcome considered was intrahospital/30-day mortality. The other outcomes vary depending on the type of condition or intervention in study. The relationship between hospital volume and outcomes was considered in 47 out of 48 conditions: 34 conditions showed evidence of a positive association; * 14 conditions consider cancer surgery for bladder, breast, colon, rectum, colon rectum, oesophagus, kidney, liver, lung, ovaries, pancreas, prostate, stomach, head and neck; * 11 conditions consider cardiocerebrovascular area: nonruptured and ruptured abdominal aortic aneurysm, acute myocardial infarction, brain aneurysm, carotid endarterectomy, coronary angioplasty, coronary artery bypass, paediatric heart surgery, revascularization of lower limbs, stroke, subarachnoid haemorrhage; * 2 conditions consider orthopaedic area: knee arthroplasty, hip fracture; * 7 conditions consider other areas: AIDS, bariatric surgery, cholecystectomy, intensive care unit, neonatal intensive care unit, sepsis, and traumas; for 3 conditions, no association was demonstrated: hip arthroplasty, dialysis, and thyroidectomy. for the remaining 10 conditions, the available evidence does not allow to draw firm conclusions about the association between hospital volume and considered outcomes: surgery for testicular cancer and intracranial tumours, paediatric oncology, aortofemoral bypass, cardiac catheterization, appendectomy, colectomy, inguinal hernia, respiratory failure, and hysterectomy. The relationship between volume of clinician/surgeon and outcomes was assessed only through the literature re view; to date, it is not possible to analyze this association for Italian health provider hospitals, since information on the clinician/surgeon on the hospital discharge chart is missing. The literature found a positive association for 21 conditions: 9 consider surgery for cancer: bladder, breast, colon, colon rectum, pancreas, prostate, rectum, stomach, and head and neck; 5 consider the cardiocerebrovascular area: ruptured and nonruptured abdominal aortic aneurysm, carotid endarterectomy, paediatric heart surgery, and revascularization of the lower limbs; 2 consider the orthopaedic area: knee and hip arthroplasty; 5 consider other areas: AIDS, bariatric surgery, hysterectomy, intensive care unit, and thyroidectomy. The analysis of the distribution of Italian hospitals concerned the 34 conditions for which the systematic review has shown a positive volume-outcome association. For the following, it was possible to conduct the analysis of the association using national data: unruptured abdominal aortic aneurysm, coronary angioplasty, hip arthroplasty, knee arthroplasty, coronary artery bypass, cancer surgery (colon, liver, breast, pancreas, lung, prostate, kidney, and stomach), laparoscopic cholecystectomy, hip fracture, stroke, acute myocardial infarction. For these conditions, the association between volume and outcome of care was observed. For laparoscopic cholecystectomy and surgery of the breast and stomach cancer, the association between the volume of the discharge (o dismissal) operating unit and the outcome was analyzed. The outcomes differ depending on the condition studied. The shape of the relationship is variable among different conditions, with heterogeneous slope of the curves. DISCUSSION For many conditions, the overview of systematic reviews has shown a strong evidence of association between higher volumes and better outcomes. The quality of the available reviews can be considered good for the consistency of the results between the studies and for the strength of the association; however, this does not mean that the included studies are of good quality. Analyzing national data, potential confounders, including age and comorbidities, have been considered. The systematic review of the literature does not permit to identify predefined volume thresholds. The analysis of national data shows a strong improvement in outcomes in the first part of the curve (from very low to higher volumes) for most conditions. In some cases, the improvement in outcomes remains gradual or constant with the increasing volume of care; in other, the analysis could allow the identification of threshold values beyond which the outcome does not further improve. However, a good knowledge of the relationship between effectiveness of treatments and costs, the geographical distribution and the accessibility to healthcare services are necessary to choose the minimum volumes of care, under which specific health procedures could not been provided in the NHS. Some potential biases due to the use of information systems data should also be considered. The different way of coding among hospitals could lead to a different selection of cases for some conditions. Regarding the definition of the exposure (volume of care), a possible bias could result from misclassification of health providers with high volume of activity. Performing the intervention in different departments/ units of the same hospital would result in an overestimation of the volume of care measured for hospital rather than for department/unit. For the conditions with a further fragmentation within the same structure, the association between volumes of discharge department and outcomes has also been evaluated. In this case, the two curves were different. The limit is to attribute the outcome to the discharge unit, which in case of surgery may not be the intervention unit. A similar bias could occur if the main determinant of the outcome of treatment was the caseload of each surgeon. The results of the analysis may be biased when different operators in the same hospital/unit carried out the same procedure. In any case, the observed association between volumes and outcome is very strong, and it is unlikely to be attributable to biases of the study design. Another aspect on which there is still little evidence is the interaction between volume of the hospital and of the surgeon. A MEDICARE study suggests that in some conditions, especially for specialized surgery, the effect of the surgeon's volume of activity is different depending on the structure volume, whereas it would not differ for some less specialized surgery conditions. The data here presented still show extremely fragmented volumes of both clinical and surgical areas, with a predominance of very low volume structures. Health systems operate, by definition, in a context of limited resources, especially when the amount of resources to allocate to the health system is reduced. In such conditions, the rationalization of the organization of health services based on the volume of care may make resources available to improve the effectiveness of interventions. The identification and certification of services and providers with high volume of activity can help to reduce differences in the access to non effective procedures. To produce additional evidence to guide the reorganization of the national healthcare system, it will be necessary to design further primary studies to evaluate the effectiveness and safety of policies aimed at concentrating interventions in structures with high volumes of activity. PMID- 29205998 TI - Diabetic nephropathy in type 1 diabetes. AB - Diabetic nephropathy (DN) also named diabetic kidney disease (DN) is one of the leading causes of mortality in people with diabetes. The aim of this review is to update the medical literature, the theories behind its early natural history, the pathways of its pathogenesis, its diagnosis and treatment. Poor glycemic control, hyperlipidemia, smoking, oxidative stress, accumulation of advanced glycated end products, environmental, genetic and epigenetic factors play an important role in the pathophysiological development of DN. Microalbuminuria has been traditionally used as the primary early diagnostic marker of microvascular complication unraveling the risk for progress to severe cardiorenal outcomes, but its prognostic role has been recently debated. The disease often leads to end-stage renal disease and it is often associated with major cardiovascular outcomes. Its early diagnosis is crucial for the patients in order to have a chance for proper treatment. PMID- 29205999 TI - Treatment of acute Achilles tendon ruptures in Central Finland Central Hospital in 2010-2015. AB - BACKGROUND: The epidemiology of Achilles tendon ruptures and treatment strategies have undergone a major change in recent years. We investigated the incidence of acute Achilles tendon ruptures, the choice of treatment strategies and treatment implementation. MATERIALS AND METHODS: The research material consisted of patients living in the catchment area of Central Finland Hospital District who had been diagnosed with an acute Achilles tendon rupture between 2010 and 2015. RESULTS: The final sample consisted of 266 patients. Conservative treatment was started for 207 patients, and the remaining 59 were referred for surgery. During the study period, the proportion of patients undergoing surgery fell from 41% to 10%. Three patients (1.4%) were referred for surgery during conservative treatment, and 10 patients (4.7%) developed deep vein thrombosis while wearing a cast or an orthosis. Twelve patients (5.8%) sustained a re-rupture after conservative treatment. Two surgically-treated patients (3.5%) sustained a re rupture, and one patient (1.7%) developed deep vein thrombosis. CONCLUSIONS: The strategies for treating acute Achilles tendon ruptures have clearly become more conservative in our hospital. Conservative treatment is safe and rarely fails. However, it is important to bear in mind that surgery still has a role in the treatment of acute Achilles tendon ruptures. PMID- 29206000 TI - Dislocation of cochlear implant magnet as a complication following MRI. AB - According to current best knowledge, an MRI scan can be performed for patients with cochlear implants. The warnings and recommendations of the implant manufacturers must be followed strictly to prevent complications, such as overheating, migration or demagnetization of the magnet in the implant. We report on a case of cochlear implant magnet dislocation as a complication for an MRI scan. The patient had a tight bandage around the head to hold the magnet in place as recommended by the manufacturer, but apparently the bandage was not in the correct place. PMID- 29206001 TI - Current care guideline: Patient exposed to moisture damage. AB - Moisture damages and dampness in buildings is a risk factor for respiratory symptoms and development of asthma. Diagnostics and care of the patients must be based on general guidelines, regardless of potential moisture damage in home or work place. No laboratory or other clinical tests exist that can be used to associate potential moisture damage to perceived symptoms of the patient. Buildings affected by moisture damages should be remediated, because it is likely to be beneficial to health of the occupants and other users and for the condition of the building. PMID- 29206002 TI - Psychiatry in the first Francoist period: knowledge and practices for a <>. PMID- 29206003 TI - Outcomes and challenges in modern AAA repair: an introduction. PMID- 29206004 TI - Outcomes of endovascular aortic repair in the modern era. AB - Monitoring outcomes following endovascular aortic repair (EVAR) is critical. Although evidence from randomized controlled trials has solidified the role of EVAR, the analysis of outcomes and "real-world" data has uncovered limitations, improved the selection of appropriate patients, and underscored the importance of instructions for use. Subsequent studies demonstrated the learning curve of EVAR and gradual improvement of outcomes over time. Outcomes analyses will continue to play an important role, particularly as technological growth of endovascular therapy has enabled treatment of more complex aneurysm pathologies and patients. The important analyses are herein reviewed, following the development of EVAR in the treatment of intact abdominal aortic aneurysms (AAA) to ruptured AAAs, and finally to complex aneurysms, including thoracoabdominal aortic aneurysms and mycotic aneurysms. This includes an overview of the more recent results from analyses of branched and fenestrated EVAR, as well as the use of chimney grafts. It is emphasized that the success of endovascular repair has paradoxically been hampered by its rapid growth and early achievements. Even the most advanced engineering developments cannot overcome the long-term effects of the progression of aortic disease. The long-term benefits thus require careful planning and considerations of the natural history of aneurysms and the life expectancy of the patient. Large and international data registry collaborations should continue to play a role in providing outcomes analyses to guide future improvements. PMID- 29206005 TI - Expanding the indications for transcatheter aortic valve implantation: is it time to treat low risk patients? PMID- 29206006 TI - The beginning of Francoist psychiatry: the National Neurology and Psychiatry Conference (Barcelona, 1942). AB - While there has been some research into Francoist psychiatry, much work still needs to be done on the reorganization of the mental health profession within the new state. Held in Barcelona on 12, 13 and 14th January 1942, the National Neurology and Psychiatry Conference undoubtedly played a major role in the attempt to overthrow the dominant ideas in the field of Spanish psychiatry and displace its most influential figures. This article seeks to analyse the Conference's main organizational features and examine its most significant content, with the aim of evaluating its strategic importance in the context of both the psychiatrists' professional and scientific interests and their ideological and political concerns. Conference papers tackled issues such as neurology and psychiatry in wartime, vitamin deficiency and the nervous system, and new psychiatric treatments, including shock therapy. The Conference's marked ideological nature represented the beginning of a new professional dynamic, featuring the emergence or establishment of new leaders intent on laying the foundations of psychiatry during the early years of the Franco regime. PMID- 29206007 TI - Christian psychopathology: psychiatry and knowledge for the sake of salvation in the early years of Francoism. AB - After World War II came to an end, General Franco's regime attempted to step aside from the defeated fascist states by emphasizing its Catholic character. The change of image culminated in 1947 with the establishment of Spain as a Catholic State by means of the Law of Succession. This process generated the national catholic ideology, which became, during the first decades of the dictatorship, the hegemonic instrument for the transformation of Spanish society in an anti modernizing way. Scientific activity was not excluded from these changes, and a Catholic science conveying universal values and in harmony with the faith was strongly encouraged. One example of this Catholic science was the psychiatric approach developed by Juan Jose Lopez Ibor during the first Francoist period, including the concepts of anagogy, the perfection instinct, psychagogy and, above all, anxious thymopathy and life anguish. This paper analyses the Christian background of these notions, their scientific repercussions and their social utility for the dictatorship. This paper emphasizes the consideration of these key notions of Spanish psychiatry during the First Francoism as knowledge of salvation, i.e., as conveyors of assumed eternal values in accordance with the prevailing view of Catholicism. On the other hand, it points to the functioning of these concepts as a part of the regulatory network designed and deployed by Francoism to promote submission and resignation in the Spanish population. PMID- 29206008 TI - Mental hygiene in early Francoism: from racial hygiene to the prevention of mental illness (1939-1960). AB - In this paper, we study the ideological bases of mental hygiene, understood as racial and moral hygiene, during the first years of Franco's regime and their evolution until 1960. First, we discuss the conceptualization of mental hygiene in the 1940s and its role as a tool for the legitimization of dictatorship, revealing the involvement of orthodox Catholicism and its links with moral and racial hygiene. Second, we assess the transformation of mental hygiene during the 1950s towards modernization and a stronger linkage with the dominant trends of contemporary psychiatry without ever leaving the ideological background of Catholicism. For this purpose, we will focus on analysis of the activities of the Mental Hygiene Week held in Barcelona in 1954 and on the creation in 1955 of the National Board of Psychiatric Care, which took on mental hygiene as one of its functions. This paper shows the close relationship of mental hygiene during the early years of Francoism with the political principles of the Dictatorship. The 1940s witnessed the deployment of a harsh discourse in which mental hygiene was a tool for the (moral and spiritual) education of the Spanish people in the political principles of the "New State", pathologizing political dissent and ideologically purifying the country. In the 1950s, Francoist mental hygiene underwent a process of aggiornamento marked by international political events following the defeat of fascism in World War II, advancing a project for (authoritarian) modernization in an international context already directed towards mental health. PMID- 29206009 TI - Hydrotherapy and medical entrepreneurship: the "water spell" of Ricardo Jorge. AB - Between 1886 and 1893, the doctor and hygienist Ricardo Jorge was linked to a commercial and medical project on the waters of GerAas. Known for many centuries and used for therapeutic purposes, they were administered on an empirical basis. When new chemical analyses were first published, the empirical properties of these waters took on a new role in hydrotherapy based on their now proven mineral and medicinal qualities. The article discusses in detail Ricardo Jorge's business venture, framing it in the context of the economic collection and treatment potential of mineral waters and the revival of the phenomenon of hydrotherapy, legitimized by new developments in the chemical analysis of waters. The commercial failure to exploit the water resources highlights the difficulties of this project and the complexity of the professional practice of hydrological medicine, although it resulted in a strengthening of Ricardo's authority and prestige in the field of hydrotherapy. PMID- 29206010 TI - Regulation, circulation and distribution of penicillin in Portugal (1944-1954). AB - Portugal did not participate in World War II but was one of the first countries in the world to receive penicillin for civilian use. The Portuguese Red Cross began to import the antibiotic from the United States of America in 1944 and appointed a controlling committee to oversee its distribution, due to the small amount available. In 1945, as world production increased, penicillin began to be distributed through the normal channels. An important role in its regulation was played by the official department responsible for controlling pharmaceutical and chemical products in Portugal, the Comissao Reguladora dos Produtos Quimicos e Farmaceuticos (Regulatory Committee for Chemical and Pharmaceutical Products). Penicillin was imported as a raw material from 1947 and the first medicaments containing penicillin, prepared in Portugal, were released into the commercial circuit in 1948. A laboratory had been established in 1942 by the Comissao Reguladora for the analytical verification of medicaments and medicinal products with the aim of certifying their quality and minimizing the number of products with no attested therapeutic efficacy. The number of medicaments analysed by this laboratory increased substantially from 72 in the year of its foundation (1942) to 2478 in 1954, including, after 1948, medicaments containing penicillin. The aim of the present paper was to elucidate the role of the Comissao Reguladora dos Produtos Quimicos e Farmaceuticos in regulating and controlling the distribution of penicillin in Portugal during the 1940s and 1950s. PMID- 29206012 TI - Letters: In Your Own Words. PMID- 29206011 TI - Santa's Sepsis Summit: A thermic analysis from the man who sees everything. PMID- 29206013 TI - Saving Pets, Too! PMID- 29206014 TI - Prolonged Kneeling: Why can't your patient get up from a kneeling position? PMID- 29206015 TI - Gastric and Small Bowel Tumors. AB - The incidence of gastric adenocarcinoma has decreased in the United States over the past 70 years although it continues to have a poor prognosis. While radical resection was initially the primary treatment for adenocarcinoma of the stomach, systemic chemotherapy and radiation have been shown to play a role in prolonging survival in most patient populations. This chapter explores the evidence that guides treatment for gastric cancer today. It also discusses the treatment for gastrointestinal stromal tumors (GIST), and small bowel tumors. In addition to systemic therapies, this chapter explores the surgical management of gastric and small bowel tumors including the extent of the gastric lymph node dissection. PMID- 29206016 TI - Behavior Zones: When to console, coach or reprimand a trainee. PMID- 29206018 TI - Suspect and Detect? Lactate levels may miss sepsis. PMID- 29206017 TI - Pathologic Features of Esophageal and Gastric Malignancies. AB - Esophageal and gastric carcinomas affect millions of individuals worldwide, placing a considerable burden on society. Unfortunately, preventative medicine falls short as screening methods for the upper gastrointestinal tract lack the ability to detect early onset disease. The overwhelming majority of cases present after symptoms appear when individuals have advanced disease with a poor prognosis. Further complicating matters, the anatomic location of these neoplasms engenders rapid tumor progression, which repeatedly thwarts successful surgical treatment. This chapter will focus on the pathological features of malignant neoplasms of the esophagus and stomach. PMID- 29206019 TI - Pathologic Features of Miscellaneous Foregut Malignancies. AB - In addition to tumors arising from the primary mucosal epithelium, the foregut is host to a variety of non-epithelial precursor cells which may give rise to neoplasms of neuroendocrine, mesenchymal, and hematolymphoid lineages. Many of these lesions also occur outside of the gastrointestinal tract, such as the extranodal lymphomas and many of the sarcomas, and in many cases share the features of their non-alimentary counterparts. This heterogeneous collection of malignancies features a wide spectrum of clinical presentations, morphologic and histopathologic features, genetic underpinnings, and treatment considerations. Although encountered less frequently than primary carcinomas, it is important to correctly recognize and classify these lesions to effectively manage and prognosticate the patients in which they occur. In this chapter, we focus on the clinical, morphologic, and genetic features of the primary esophageal and gastric neoplasms of neuroendocrine, mesenchymal, and lymphoid origin. PMID- 29206020 TI - Management Controversies and Treatment Strategies for Borderline Resectable Pancreatic Cancer. AB - The management of borderline resectable cancer requires multi-disciplinary care including state-of-the-art radiographic imaging, combination treatment planning with medical oncology and radiation oncology, and technical surgical expertise combining gastrointestinal and vascular surgery. PMID- 29206021 TI - Proving Its Worth. Florida's statewide mobile integrated healthcare program for Medicare Advantage patients boasts impressive results. PMID- 29206022 TI - Pathologic Features of Primary Pancreatic Malignancies. AB - This chapter explores the pathologic features of benign and malignant lesions of the pancreas. As pathologic classifications evolve, particularly for cystic lesions and neuroendocrine tumors, it is important for physicians who treat patients with pancreatic neoplasms to fully evaluate these pathologic classifications. PMID- 29206023 TI - Efficient Gene Delivery Mediated by a Helical Polypeptide: Controlling the Membrane Activity via Multivalency and Light-Assisted Photochemical Internalization (PCI). AB - The development of robust and nontoxic membrane-penetrating materials is highly demanded for nonviral gene delivery. Herein, a photosensitizer (PS)-embedded, star-shaped helical polypeptide was developed, which combines the advantages of multivalency-enhanced intracellular DNA uptake and light-strengthened endosomal escape to enable highly efficient gene delivery with low toxicity. 5,10,15,20 Tetrakis-(4-aminophenyl) porphyrin as a selected PS initiated ring-opening polymerization of N-carboxyanhydride and yielded a star-shaped helical polypeptide after side-chain functionalization with guanidine groups. The star polypeptide afforded a notably higher transfection efficiency and lower cytotoxicity than those of its linear analogue. Light irradiation caused almost complete (~90%) endosomal release of the DNA cargo via the photochemical internalization (PCI) mechanism and further led to a 6-8-fold increment of the transfection efficiency in HeLa, B16F10, and RAW 264.7 cells, outperforming commercial reagent 25k PEI by up to 3 orders of magnitude. Because the PS and DNA cargoes were compartmentalized distantly in the core and polypeptide layers, respectively, the generated reactive oxygen species caused minimal damage to DNA molecules to preserve their transfection potency. Such multivalency- and PCI potentiated gene delivery efficiency was also demonstrated in vivo in melanoma bearing mice. This study thus provides a promising strategy to overcome the multiple membrane barriers against nonviral gene delivery. PMID- 29206024 TI - Toxicity of a Quinaldine-Based Liquid Organic Hydrogen Carrier (LOHC) System toward Soil Organisms Arthrobacter globiformis and Folsomia candida. AB - The study aims to establish a preliminary environmental assessment of a quinaldine-based LOHC system composed of hydrogen-lean, partially hydrogenated, and fully hydrogenated forms. We examined their toxicity toward the soil bacteria Arthrobacter globiformis and the Collembola Folsomia candida in two exposure scenarios, with and without soil, to address differences in the bioavailability of the compounds. In both scenarios, no or only slight toxicity toward soil bacteria was observed at the highest test concentration (EC50 > 3397 MUmol L-1 and >4892 MUmol kg-1 dry weight soil). The effects of the three quinaldines on F. candida in soil were similar, with EC50 values ranging from 2119 to 2559 MUmol kg 1 dry weight soil based on nominal concentrations. Additionally, corrected pore water-concentration-based EC50 values were calculated by equilibrium partitioning using soil/pore-water distribution coefficients. The tests without soil (simulating pore-water exposure) revealed higher toxicity, with LC50 values between 78.3 and 161.6 MUmol L-1 and deformation of the protective cuticle. These results assign the compounds to the category "harmful to soil organisms". Potential risks toward the soil environment of the test compounds are discussed on the basis of predicted no-effect concentrations. PMID- 29206025 TI - Probing Spin Crossover in a Solution by Paramagnetic NMR Spectroscopy. AB - Spin transitions in spin-crossover compounds are now routinely studied in the solid state by magnetometry; however, only a few methods exist for studies in solution. The currently used Evans method, which relies on NMR spectroscopy to measure the magnetic susceptibility, requires the availability of a very pure sample of the paramagnetic compound and its exact concentration. To overcome these limitations, we propose an alternative NMR-based technique for evaluating spin-state populations by only using the chemical shifts of a spin-crossover compound; those can be routinely obtained for a solution that contains unknown impurities and paramagnetic admixtures or is contaminated otherwise. PMID- 29206026 TI - Molecular and Ionic Dipole Effects on the Electronic Properties of Si-/SiO2 Grafted Alkylamine Monolayers. AB - In this work, we demonstrate the tunability of electronic properties of Si/SiO2 substrates by molecular and ionic surface modifications. The changes in the electronic properties such as the work function (WF) and electron affinity were experimentally measured by the contact potential difference technique and theoretically supported by density functional theory calculations. We attribute these molecular electronic effects mainly to the variations of molecular and surface dipoles of the ionic and neutral species. We have previously shown that for the alkylhalide monolayers, changing the tail group from Cl to I decreased the WF of the substrate. Here, we report on the opposite trend of WF changes, that is, the increase of the WF, obtained by using the anions of these halides from Cl- to I-. This trend was observed on self-assembled alkylammonium halide ( NH3+ X-, where X- = Cl-, Br-, or I-) monolayer-modified substrates. The monolayer's formation was supported by ellipsometry measurements, X-ray photoelectron spectroscopy, and atomic force microscopy. Comparison of the theoretical and experimental data suggests that the ionic surface dipole depends mainly on the polarizability and the position of the counter halide anion along with the organization and packaging of the layer. The described ionic modification can be easily used for facile tailoring and design of the electronic properties Si/SiO2 substrates for various device applications. PMID- 29206027 TI - Impact of Acceptor Fluorination on the Performance of All-Polymer Solar Cells. AB - Here, we systematically study the effect of fluorination on the performance of all-polymer solar cells by employing a naphthalene diimide (NDI)-based polymer acceptor with thiophene-flanked phenyl co-monomer. Fluorination of the phenyl co monomer with either two or four fluorine units is used to create a series of acceptor polymers with either no fluorination (PNDITPhT), bifluorination (PNDITF2T), or tetrafluorination (PNDITF4T). In blends with the donor polymer PTB7-Th, fluorination results in an increase in power conversion efficiency from 3.1 to 4.6% despite a decrease in open-circuit voltage from 0.86 V (unfluorinated) to 0.78 V (tetrafluorinated). Countering this decrease in open circuit voltage is an increase in short-circuit current from 7.7 to 11.7 mA/cm2 as well as an increase in fill factor from 0.45 to 0.53. The origin of the improvement in performance with fluorination is explored using a combination of morphological, photophysical, and charge-transport studies. Interestingly, fluorination is found not to affect the ultrafast charge-generation kinetics, but instead is found to improve charge-collection yield subsequent to charge generation, linked to improved electron mobility and improved phase separation. Fluorination also leads to improved light absorption, with the blue-shifted absorption profile of the fluorinated polymers complementing the absorption profile of the low-band gap PTB7-Th. PMID- 29206028 TI - Direct Electrical Detection of Iodine Gas by a Novel Metal-Organic-Framework Based Sensor. AB - High-fidelity detection of iodine species is of utmost importance to the safety of the population in cases of nuclear accidents or advanced nuclear fuel reprocessing. Herein, we describe the success at using impedance spectroscopy to directly detect the real-time adsorption of I2 by a metal-organic framework zeolitic imidazolate framework (ZIF)-8-based sensor. Methanolic suspensions of ZIF-8 were dropcast onto platinum interdigitated electrodes, dried, and exposed to gaseous I2 at 25, 40, or 70 degrees C. Using an unoptimized sensor geometry, I2 was readily detected at 25 degrees C in air within 720 s of exposure. The specific response is attributed to the chemical selectivity of the ZIF-8 toward I2. Furthermore, equivalent circuit modeling of the impedance data indicates a >105* decrease in ZIF-8 resistance when 116 wt % I2 is adsorbed by ZIF-8 at 70 degrees C in air. This irreversible decrease in resistance is accompanied by an irreversible loss in the long-range crystallinity, as evidenced by X-ray diffraction and infrared spectroscopy. Air, argon, methanol, and water were found to produce minimal changes in ZIF-8 impedance. This report demonstrates how selective I2 adsorption by ZIF-8 can be leveraged to create a highly selective sensor using >105* changes in impedance response to enable the direct electrical detection of environmentally relevant gaseous toxins. PMID- 29206029 TI - Facile Access to Azafullerenyl Cation C59N+ and Specific Interaction with Entrapped Molecules. AB - The facile preparation of azafullerenyl cation C59N+ has been achieved by the assistance of trifluoromethanesulfonic acid. The thus formed C59N+ was quite stable in solution over 1 month and can be used as an intermediate for the electrophilic reaction. Applying this method to endohedral azafullerenes, corresponding cations (H2@C59N+ and H2O@C59N+) were prepared and the dynamic behavior of entrapped molecules was studied on the basis of 1H NMR relaxation time measurements. The results indicated that there is strong intramolecular C59N+...Odelta-H2 interaction in H2O@C59N+, which stands in contrast to isoelectronic H2O@C60 with no electrostatic interaction. We also demonstrated that the magnetic shielding environment inside the C59N+ cage closely resembles that for isoelectronic C60. PMID- 29206030 TI - A Decade of the Protein Corona. AB - In this Perspective, we reflect on a decade of research on the protein corona and contemplate its broad implications for future science and engineering at the bio nano interface. Specifically, we focus on the physical origins and time evolution of the protein corona, differences in the nanoparticle-protein entity in in vitro and in vivo environments, the role of stealth polymers to minimize the formation of the protein corona, relevant computational and theoretical developments, and the "biocorona", a concept extrapolated from the field of nanomedicine. We conclude the Perspective by outlining future directions and opportunities concerning the protein corona in the coming decade. PMID- 29206031 TI - Chemoselective Installation of Amine Bonds on Proteins through Aza-Michael Ligation. AB - Chemical modification of proteins is essential for a variety of important diagnostic and therapeutic applications. Many strategies developed to date lack chemo- and regioselectivity as well as result in non-native linkages that may suffer from instability in vivo and adversely affect the protein's structure and function. We describe here the reaction of N-nucleophiles with the amino acid dehydroalanine (Dha) in a protein context. When Dha is chemically installed in proteins, the addition of a wide-range N-nucleophiles enables the rapid formation of amine linkages (secondary and tertiary) in a chemoselective manner under mild, biocompatible conditions. These new linkages are stable at a wide range of pH values (pH 2.8 to 12.8), under reducing conditions (biological thiols such as glutathione) and in human plasma. This method is demonstrated for three proteins and is shown to be fully compatible with disulfide bridges, as evidenced by the selective modification of recombinant albumin that displays 17 structurally relevant disulfides. The practicability and utility of our approach is further demonstrated by the construction of a chemically modified C2A domain of Synaptotagmin-I protein that retains its ability to preferentially bind to apoptotic cells at a level comparable to the native protein. Importantly, the method was useful for building a homogeneous antibody-drug conjugate with a precise drug-to-antibody ratio of 2. The kinase inhibitor crizotinib was directly conjugated to Dha through its piperidine motif, and its antibody-mediated intracellular delivery results in 10-fold improvement of its cancer cell-killing efficacy. The simplicity and exquisite site-selectivity of the aza-Michael ligation described herein allows the construction of stable secondary and tertiary amine-linked protein conjugates without affecting the structure and function of biologically relevant proteins. PMID- 29206033 TI - Aromaticity-Driven Molecular Structural Variation and Electronic Configuration Alternation: An Example of Cyclic pi Conjugation Involving a Mo-Mo delta Bond. AB - We have synthesized and characterized the mixed-ligand dimolybdenum paddlewheel complex Na[(DAniF)3Mo2(C3S5)] (Na[1]; DAniF = N,N'-di-p-anisylformamidinate, dmit = 1,3-dithiole-2-thione-4,5-dithiolate), which has a six-membered chelating [Mo2S2C2] ring created by equatorial coordination of the dmit (C3S5) ligand to the Mo2 unit. One-electron oxidation of Na[1] using Cp2FePF6 yields the neutral complex [(DAniF)3Mo2(C3S5)] ([1]), and removal of two electrons from Na[1] using AgBPh4 gives [(DAniF)3Mo2(C3S5)]BPh4 ([1]BPh4). In the crystal structures, [1]- and [1] present dihedral angles of 118.9 and 142.3 degrees between the plane defined by the Mo-Mo bond vector and the dmit ligand, respectively, while DFT calculations show that in [1]+ the Mo-Mo bond and the dmit ligand are coplanar. Complex [1] is paramagnetic with a g value of 1.961 in the EPR spectrum and has a Mo-Mo bond distance of 2.133(1) A, increased from 2.0963(9) A for [1]-. Consistently, a broad absorption band is observed for [1] in the near-IR region, which arises from charge transfer from the dmit ligand to the cationic Mo25+ centers. Interestingly, complex [1]+ has an aromatic [Mo2S2C2] core, as evidenced by a large diamagnetic anisotropy, in addition to the coplanarity of the core structure, which shifts downfield the 1H NMR signal of the horizontal methine proton (ArN-(CH)-NAr) but upfield those of the vertical protons, relative to the methine proton resonances for the precursor ([1]-). The magnetic anisotropy (Deltachi = chi? - chi?) for the [Mo2S2C2] ring in [1]+ is -105.5 ppm cgs, calculated from the McConnell equation, which is about 2-fold larger than that for benzene. The aromaticity of the [Mo2S2C2] ring is supported by theoretical studies, including single-point calculations and gauge-including atomic orbital (GIAO) NMR spectroscopic calculations at the density functional theory (DFT) level. DFT calculations also show that the [Mo2S2C2] core in [1]+ possesses a set of three highest occupied and three lowest unoccupied molecular orbitals in pi character, corresponding to those of benzene in symmetry, and six pi electrons that conform to the Huckel 4n + 2 rule for aromaticity. Therefore, this study shows that an aromatic [Mo2S2C2] core is formed by coupling the delta orbital of the Mo?Mo bond with the pi orbital of the C?C bond through the bridging atoms (S), thus validating the equivalency in bonding functionality between delta and pi orbitals. PMID- 29206032 TI - Brain-Eating Amoebae: Silver Nanoparticle Conjugation Enhanced Efficacy of Anti Amoebic Drugs against Naegleria fowleri. AB - The overall aim of this study was to determine whether conjugation with silver nanoparticles enhances effects of available drugs against primary amoebic meningoencephalitis due to Naegleria fowleri. Amphotericin B, Nystatin, and Fluconazole were conjugated with silver nanoparticles, and synthesis was confirmed using UV-visible spectrophotometry. Atomic force microscopy determined their size in range of 20-100 nm. To determine amoebicidal effects, N. fowleri were incubated with drugs-conjugated silver nanoparticles, silver nanoparticles alone, and drugs alone. The findings revealed that silver nanoparticles conjugation significantly enhanced antiamoebic effects of Nystatin and Amphotericin B but not Fluconazole at micromolar concentrations, compared with the drugs alone. For the first time, our findings showed that silver nanoparticle conjugation enhances efficacy of antiamoebic drugs against N. fowleri. Given the rarity of the disease and challenges in developing new drugs, it is hoped that modifying existing drugs to enhance their antiamoebic effects is a useful avenue that holds promise in improving the treatment of brain-eating amoebae infection due to N. fowleri. PMID- 29206034 TI - Self-Assembly of a Tetraphenylethylene-Based Capsule Showing Both Aggregation- and Encapsulation-Induced Emission Properties. AB - Functional molecular capsules have attracted a lot of attention in recent years because of their potential applications as chemosensors, catalysis, drug carriers, and so on. We report here the coordination-directed self-assembly of a fluorescent-lantern-type molecular capsule from four tetraphenylethylene-based ditopic ligands and two square-planar palladium(II) ions. The capsule has been thoroughly characterized by UV-vis, 1D/2D NMR, electrospray ionization time-of flight mass spectrometry, and single-crystal X-ray diffraction studies. The aggregation-induced emission performance of the capsule has been studied by tuning the ratio of mixed solvents. Moreover, with an open cavity, the fluorescence of the capsule also displays anion sensitivity, with the best turn on responsiveness observed for HCO3-, demonstrating for the first time an encapsulation-induced emission property. PMID- 29206035 TI - Stable Carbocation Generated via 2,5-Cyclohexadien-1-one Protonation. AB - Protonation of a substituted cyclohexadien-1-one (1) leads to the generation of carbocation [3]+, capable of effecting hydride abstraction and oxidation reactions. The molecular structure of [3]+ shows it to be structurally similar to [(p-MeO-C6H4)Ph2C]+. The ability to easily access [3]+ from stable and available precursors, such as 1 and commercially available acids, may allow a wider application of the growing number of trityl-based reactions in organic syntheses. PMID- 29206036 TI - The Design and Development of a Potent and Selective Novel Diprolyl Derivative That Binds to the N-Domain of Angiotensin-I Converting Enzyme. AB - Angiotensin-I converting enzyme (ACE) is a zinc metalloprotease consisting of two catalytic domains (N- and C-). Most clinical ACE inhibitor(s) (ACEi) have been shown to inhibit both domains nonselectively, resulting in adverse effects such as cough and angioedema. Selectively inhibiting the individual domains is likely to reduce these effects and potentially treat fibrosis in addition to hypertension. ACEi from the GVK Biosciences database were inspected for possible N-domain selective binding patterns. From this set, a diprolyl chemical series was modeled using docking simulations. The series was expanded based on key target interactions involving residues known to impart N-domain selectivity. In total, seven diprolyl compounds were synthesized and tested for N-domain selective ACE inhibition. One compound with an aspartic acid in the P2 position (compound 16) displayed potent inhibition (Ki = 11.45 nM) and was 84-fold more selective toward the N-domain. A high-resolution crystal structure of compound 16 in complex with the N-domain revealed the molecular basis for the observed selectivity. PMID- 29206037 TI - Macroamidine Formation in Bottromycins Is Catalyzed by a Divergent YcaO Enzyme. AB - The YcaO superfamily of proteins catalyzes the phosphorylation of peptide backbone amide bonds, which leads to the formation of azolines and azoles in ribosomally synthesized and post-translationally modified peptides (RiPPs). Bottromycins are RiPPs with potent antimicrobial activity, and their biosynthetic pathway contains two divergent, stand-alone YcaO enzymes, IpoC and PurCD. From an untargeted metabolomics approach, it had been suggested that PurCD acts with a partner protein to form the 12-membered macroamidine unique to bottromycins. Here we report the biochemical characterization of IpoC and PurCD. We demonstrate that IpoC installs a cysteine-derived thiazoline, whereas PurCD alone is sufficient to create the macroamidine structure. Both enzymes are catalytically promiscuous, and we generated 10 different macroamidines. Our data provide important insights into the versatility of YcaO enzymes, their ability to utilize different nucleophiles and provide a framework for the creation of novel bottromycin derivatives with enhanced bioactivity. PMID- 29206038 TI - Introducing the Bipolar Solvent Media Using the Aqueous Mixtures of Amino Acid Anion-Based Ionic Liquids. AB - To carry out a chemical reaction between the reactants with largely different polarities, it becomes important to have a reaction medium that possesses both the polar and nonpolar solvation environments. In an attempt to explore the reaction media with such unique polarity properties, the present study provides a thorough understanding of the bipolar solvent media using the aqueous mixtures of amino acid anion-based ionic liquids. The highly polar behavior of the binary mixtures used in the study has been ascribed to the pure ionic liquid state. However, the less polar solvation shells have been attributed to the presence of a neutral form of the anions. Addition of water in the amino acid anion-based ionic liquids causes the protonation of a certain fraction of the anions of the ionic liquids, resulting into the formation of a less polar nonionic protonated form along with the highly polar natural anionic form. This results into the formation of two solvation spheres with different polarities, which can be seen very clearly from the presence of two absorption bands (lower wavelength absorption band and higher wavelength absorption band) in the UV-vis absorption spectrum of Reichardt's ET(30) dye and two emission bands (lower wavelength emission band and higher wavelength emission band) in the fluorescence emission spectrum of C481 dye. The values of the ETN polarity parameter corresponding to the two solvation shells having different polarities have been calculated from the deconvoluted absorption spectra of the Reichardt's ET(30) and were analyzed in three amino acid anion-based ionic liquids. Generation of the neutral form of anions in the aqueous mixtures formed via a protonation transfer reaction has been confirmed by the 1H NMR spectroscopy and UV-vis absorption spectrum of 18DHAQ dye. The study also establishes that the Reichardt's ET(30) dye can be used as a valid polarity probe to study the solvatochromic behavior of the binary mixtures of amino acid-based ionic liquids. PMID- 29206039 TI - Theoretical Insights on the Inefficiency of RNA Oxidative Damage under Aerobic Conditions. AB - Oxidative damage to RNA has been linked to change or loss of RNA function and development of many human age-related diseases. However, knowledge on the nature of RNA oxidative damage is relatively limited. In this study, oxidative damage to RNA is investigated under anaerobic and aerobic conditions by exploring the properties and reactions of 5-hydroxyl-2'-uridin-6-yl and its peroxyl diastereoisomers in the RNA strand, respectively. Selective addition of OH to the nucleic base from the 5'-end is studied at the molecular level for the first time, explaining the large number of the 5S-isomer available for further reactions. Our results provide clear evidence that the efficiency of C2'-H2' bond activation in the peroxyl isomers is lower than in the carbon radical species. An exception is observed for the isomer cis-(5S,6R)-A1, whose internucleotidyl H2' abstraction barrier is far smaller than that in the corresponding C6-yl radical. However, analysis of the equilibrium species distribution reveals that the amount of cis-(5S,6R)-A1 is very small among the peroxyl diastereoisomers, and hence the resulting products from direct strand scission should be a less important component in RNA oxidative damage. The species with maximum distribution is the cis-(5S,6R)-B1 isomer, which is derived from cis-(5S,6R)-A1 and has a moderate intranucleotidyl H2'-abstraction barrier. More importantly, the reaction is mildly exothermic. These results show that the main fraction of the intranucleotidyl H2'-abstraction intermediates can be formed from the cis-(5S,6R) B1 isomer. The absolute reduction potentials, the hydrogen atom binding energies, and the key structural parameters of the C6-peroxyl species are used to understand the diverse reactivity of the cis-(5S,6R) diastereoisomers toward the C2'-H2' bonds activation. The present study shows that in addition to the selectivity of the OH radical addition, there is a strong correlation between the conformation of the modified uracil base and its reactivity in RNA oxidative damage. PMID- 29206040 TI - Influence of the Location of Attractive Polymer-Pore Interactions on Translocation Dynamics. AB - We probe the influence of polymer-pore interactions on the translocation dynamics using Langevin dynamics simulations. We investigate the effect of the strength and location of the polymer-pore interaction using nanopores that are partially charged either at the entry or the exit or on both sides of the pore. We study the change in the translocation time as a function of the strength of the polymer pore interaction for a given chain length and under the effect of an externally applied field. Under a moderate driving force and a chain length longer than the length of the pore, the translocation time shows a nonmonotonic increase with an increase in the attractive interaction. Also, an interaction on the cis side of the pore can increase the translocation probability. In the presence of an external field and a strong attractive force, the translocation time for shorter chains is independent of the polymer-pore interaction at the entry side of the pore, whereas an interaction on the trans side dominates the translocation process. Our simulation results are rationalized by a qualitative analysis of the free energy landscape for polymer translocation. PMID- 29206042 TI - Chemoselective Deprotection of Sulfonamides Under Acidic Conditions: Scope, Sulfonyl Group Migration, and Synthetic Applications. AB - Chemoselective acidic hydrolysis of sulfonamides with trifluoromethanesulfonic acid has been evaluated as a deprotection method and further extended to more complex synthetic applications. In contrast to conventional troublesome sulfonamide hydrolysis, a near-stoichiometric amount of acid was found to be sufficient to bring about efficient deprotection of various neutral or electron deficient N-arylsulfonamides, whereas electron-rich substrates provided sulfonyl group migration products. The deprotection method developed is fully selective for N-arylsulfonamides, and the possibility to discriminate among various different sulfonamides is demonstrated. PMID- 29206041 TI - Lipidated Peptide Dendrimers Killing Multidrug-Resistant Bacteria. AB - New antibiotics are urgently needed to address multidrug-resistant (MDR) bacteria. Herein we report that second-generation (G2) peptide dendrimers bearing a fatty acid chain at the dendrimer core efficiently kill Gram-negative bacteria including Pseudomonas aeruginosa and Acinetobacter baumannii, two of the most problematic MDR bacteria worldwide. Our most active dendrimer TNS18 is also active against Gram-positive methicillin-resistant Staphylococcus aureus. Based on circular dichroism and molecular dynamics studies, we hypothesize that TNS18 adopts a hydrophobically collapsed conformation in water with the fatty acid chain backfolded onto the peptide dendrimer branches and that the dendrimer unfolds in contact with the membrane to expose its lipid chain and hydrophobic residues, thereby facilitating membrane disruption leading to rapid bacterial cell death. Dendrimer TNS18 shows promising in vivo activity against MDR clinical isolates of A. baumannii and Escherichia coli, suggesting that lipidated peptide dendrimers might become a new class of antibacterial agents. PMID- 29206043 TI - High-Throughput Computational Screening of Multivariate Metal-Organic Frameworks (MTV-MOFs) for CO2 Capture. AB - Multivariate metal-organic frameworks (MTV-MOFs) contain multiple linker types within a single structure. Arrangements of linkers containing different functional groups confer structural diversity and surface heterogeneity and result in a combinatorial explosion in the number of possible structures. In this work, we carried out high-throughput computational screening of a large number of computer-generated MTV-MOFs to assess their CO2 capture properties using grand canonical Monte Carlo simulations. The results demonstrate that functionalization enhances CO2 capture performance of MTV-MOFs when compared to their parent (unfunctionalized) counterparts, and the pore size plays a dominant role in determining the CO2 adsorption capabilities of MTV-MOFs irrespective of the combinations of the three functional groups (-F, -NH2, and -OCH3) that we investigated. We also found that the functionalization of parent MOFs with small pores led to larger enhancements in CO2 uptake and CO2/N2 selectivity than functionalization in larger-pore MOFs. Free energy contour maps are presented to visually compare the influence of linker functionalization between frameworks with large and small pores. PMID- 29206044 TI - Bicyclization of Azomethine Ylide: Access to Highly Functionalized 3H-Pyrrolo[2,3 c]quinolines. AB - A tandem bicyclization of azomethine ylides with methyleneaminochalcones was developed for the straightforward and facile synthesis of 2-substituted polyfunctionalized pyrrolo[2,3-c]quinolines. Both an unusual reactivity profile of azomethine ylide and a novel strategy for the construction of the tricyclic framework by the successive construction of the pyridine and pyrrole rings were exhibited in this domino reaction. Two intermediates are isolated in the control experiments, and thus a tandem bicyclization/elimination/oxidative aromatization process is proposed for the reaction mechanism. PMID- 29206045 TI - Reversible and Continuously Tunable Control of Charge of Close Surfaces. AB - Surfaces of almost all types of materials are often charged easily by contact electrification or deposition of ions; hence, surface charge is ubiquitous and has a vast range of influences in our lives and in industry. Since the 19th century, scientists have been measuring the charge of multiple materials collectively. The common expectation is that the total charge of multiple materials is equal to the sum of the charges of the individual materials. This study describes a previously unreported phenomenon in which the total charge of two insulating surfaces decreases when the surfaces are brought close to each other. The charge varies continuously and reversibly depending on the distance of separation between the surfaces. Experimental results derived from analyzing the movement of charge suggest that the changes are due to a rapid exchange of charge between the surfaces and their surrounding air. This change can be used to control the surface charge of the materials flexibly and reversibly. PMID- 29206046 TI - Hydrophobic Ion Pairing of Peptide Antibiotics for Processing into Controlled Release Nanocarrier Formulations. AB - Nanoprecipitation of active pharmaceutical ingredients (APIs) to form nanocarriers (NCs) is an attractive method of producing formulations with improved stability and biological efficacies. However, nanoprecipitation techniques have not been demonstrated for highly soluble peptide therapeutics. We here present a model and technique to encapsulate highly water-soluble biologic APIs by manipulating API salt forms. APIs are ion paired with hydrophobic counterions to produce new API salts that exhibit altered solubilities suitable for nanoprecipitation processing. The governing rules of ion pair identity and processing conditions required for successful encapsulation are experimentally determined and assessed with theoretical models. Successful NC formation for the antibiotic polymyxin B requires hydrophobicity of the ion pair acid to be greater than logP = 2 for strong acids and greater than logP = 8 for weak acids. Oleic acid with a logP = 8, and pKa = 5, appears to be a prime candidate as an ion pair agent since it is biocompatible and forms excellent ion pair complexes. NC formation from preformed, organic soluble ion pairs is compared to in situ ion pairs where NCs are made in a single precipitation step. NC properties, such as stability and release rates, can be tuned by varying ion pair molecular structure and ion pair-to-API molar ratios. For polymyxin B, NCs ~ 100-200 nm in size, displaying API release rates over 3 days, were produced. This work demonstrates a new approach that enables the formation of nanoparticles from previously intractable compounds. PMID- 29206047 TI - Toward Maximizing the Mechanical Property of Interconnected Macroporous Polystyrenes Made from High Internal Phase Emulsions. AB - Macroporous materials polymerized from high internal phase emulsions (PolyHIPEs) possess well-defined interconnected porous structures and tunable device shapes. This provides interesting property characteristics well-suited for a variety of applications. However, such materials also demonstrate poor mechanical performances, which limit their potential use. As will be demonstrated, this results from the high surfactant content required by PolyHIPEs. Herein, a new approach is introduced for designing a highly efficient polymeric surfactant, which generates interconnected pores in PolyHIPEs through designing an incompatible surfactant and skeleton material. The surfactant also possesses a hyperbranched topology, which combines the strong amphipathy of small molecular surfactants and the nanosphere structure of Pickering emulsifiers to provide an excellent colloidal stability to HIPEs. A hyperbranched polyethylene having pendant sodium sulfonate groups (HBPE-SO3Na) was thus designed and synthesized via chain walking copolymerization of ethylene and 2-trimethylsilyloxyethyl acrylate followed by sulfonation. Stable HIPEs of styrene/divinylbenzene and water at a weight ratio of 1 to 5 were obtained with using HBPE-SO3Na. The polymerization of HIPEs produced interconnected macroporous polystyrenes (PSs) at a substantially lower surfactant content, for example, 0.5 wt % HBPE-SO3Na. The compressive Young's moduli of PolyHIPEs reached 104-111 MPa with 0.5-2 wt % HBPE SO3Na, which is the first reported case of a PS-based PolyHIPE achieving its theoretical modulus. The PolyHIPE was used to support Au nanoparticles and embed in a column for oxidation of dimethylphenylsilane. A complete conversion of dimethylphenylsilanol was achieved with low column back pressure in a 50 h continuous reaction with no degradation of PolyHIPE integrity and mechanical property. PMID- 29206048 TI - Orientation Control of Hemispherical Janus Particles and Metal Coating on the Selective Surface To Excite Surface Plasmon Polaritons in the Micro-Kretschmann Geometry. AB - Asymmetric-shaped particles (the Janus particle) are difficult to be arranged in a uniform orientation on a solid substrate. This difficulty prevents further modification of the selective surface of the particles for fabrication of the Janus particles with anisotropy of the shape and surface. We successfully arranged hemispherical particles in a uniform orientation at the air-water interface. The particles were arranged on the solid substrate in a uniform orientation by transferring the particle film onto the substrate. This arrangement enabled the fabrication of the Janus particles with anisotropy of the shape and surface by selective deposition of a film on either the equatorial plane or the spherical surface. Additionally, we demonstrated the function of the microscopic Kretschmann geometry for excitation of the surface plasmon polaritons of a thin metal film on the equatorial plane of a single hemispherical particle. PMID- 29206049 TI - Rationale and design of the 500-patient, 3-year, and prospective Vigilant ObservatIon of GlIadeL WAfer ImplaNT registry. AB - Implantation of biodegradable wafers impregnated with carmustine (BCNU) is one of the few chemotherapeutic modalities that have been evaluated in Phase III trials and approved by the US FDA for treatment of newly diagnosed high-grade glioma and recurrent glioblastoma. Enrolling up to 500 patients for 3-year follow-up at over 30 sites, the prospective Vigilant ObservatIon of GlIadeL WAfer ImplaNT (VIGILANT) registry (NCT02684838) will evaluate BCNU wafers for treatment of CNS malignancies in contemporary practice and in the new era of molecular tumor analysis. Subgroup analyses will include tumor type, molecular marker status, and treatment combinations. Interim analyses from the VIGILANT registry will be reported until complete results are available in 2024. PMID- 29206050 TI - Association between short and long sleep durations and cardiovascular outcomes: a systematic review and meta-analysis. AB - BACKGROUND: A shorter sleep duration has been identified as a risk factor for cardiovascular diseases and increased mortality. It has been hypothesized that a short sleep duration may be linked to changes in ghrelin and leptin production, leading to an alteration of stress hormone production. Here, we conducted a systematic review and meta-analysis to investigate the potential relationship between a sleep duration and cardiovascular disease mortality. METHODS: We conducted a comprehensive search of Ovid Medline In-Process and other non-indexed citations, Ovid MEDLINE, Ovid Embase, Ovid Cochrane Central Register of Controlled Trials, and Scopus from database inception to March 2017. Observational studies were included if the studies reported hazard ratios or odds ratios of the associations between sleep durations (short and long) and cardiovascular disease mortality. Data were extracted by a reviewer and then reviewed by two separate reviewers. Conflicts were resolved through consensus. Using the DerSimonian and Laird random effects models, we calculated pooled hazard ratios and pooled odds ratios with 95% confidence intervals (CI). Subgroup analyses were performed to explore potential sources of heterogeneity. The quality of the included studies and publication bias were assessed. RESULTS: In total, our meta-analysis included 19 studies (31 cohorts) with a total of 816,995 individuals with 42,870 cardiovascular disease mortality cases. In pooled analyses, both short (risk ratio 1.19; 95% CI 1.13 to 1.26, P<0.001, I2=30.7, Pheterogeneity=0.034), and long (risk ratio 1.37; 95% CI 1.23 to 1.52, P<0.001, I2=79.75, Pheterogeneity<0.001) sleep durations were associated with a greater risk of cardiovascular disease mortality. CONCLUSIONS: Both short (<7 hours) and long sleep durations (>9 hours) can increase the risk of overall cardiovascular disease mortality, particularly in Asian populations and elderly individuals. Future epidemiological studies would ideally include objective sleep measurements, rather than self-report measures, and all potential confounders, such as genetic variants. PMID- 29206051 TI - Superchilling of muscle foods: Potential alternative for chilling and freezing. AB - Superchilling is an attractive technique for preservation of muscle foods which freezes part of the water and insulate the food products from temperature fluctuations thereby enhancing the shelf-life during storage, transportation and retailing. Superchilling process synergistically improves the product shelf-life when used in combination with vacuum or modified atmospheric packaging. The shelf life of muscle foods was reported to be increased by 1.5 to 4.0 times relative to traditional chilling technique. Advantages of superchilling and its ability to maintain the freshness of muscle foods over freezing has been discussed and its potential for Industrial application is highlighted. Present review also unravel the mechanistic bases for ice-crystal formation during superchilling and measures to ameliorate the drip loss. The future challenges especially automation in superchilling process for large scale Industrial application is presented. PMID- 29206052 TI - Risk Trajectories of Readmission and Death in the First Year after Hospitalization for Chronic Obstructive Pulmonary Disease. AB - RATIONALE: Characterization of the dynamic nature of posthospital risk in chronic obstructive pulmonary disease (COPD) is needed to provide counseling and plan clinical services. OBJECTIVES: To analyze risk of readmission and death after discharge for COPD among Medicare beneficiaries aged 65 years and older and to determine the association between ventilator support and risk trajectory. METHODS: We computed daily absolute risks of hospital readmission and death for 1 year after discharge for COPD, stratified by ventilator support. We determined the time required for risks to decline by 50% from maximum daily values after discharge and for daily risks to plateau. We compared risks with those found in the general elderly population. MEASUREMENTS AND MAIN RESULTS: Among 2,340,637 hospitalizations, the readmission rate at 1 year was 64.2%, including 63.5%, 66.0%, and 64.1% among those receiving invasive, noninvasive, and no ventilation, respectively. Among 1,283,069 hospitalizations, mortality at 1 year was 26.2%, including 45.7%, 41.8%, and 24.4% among those same respective groups. Daily risk of readmission declined by 50% within 28, 39, and 43 days and plateaued at 46, 54, and 61 days among those receiving invasive, noninvasive, and no ventilation, respectively. Risk of death declined by 50% by 3, 4, and 17 days and plateaued by 21, 18, and 24 days in the same respective groups. Risks of hospitalization and death were significantly higher after discharge for COPD than among the general Medicare population. CONCLUSIONS: Discharge from the hospital is associated with prolonged risks of readmission and death that vary with need for ventilator support. Interventions limited to the first month after discharge may be insufficient to improve longitudinal outcomes. PMID- 29206053 TI - Increasing Physical Activity in Daily Life in Chronic Obstructive Pulmonary Disease: To Solve the Puzzle, Every Piece Counts. PMID- 29206054 TI - Reply to Rodrigues et al.: Increasing Physical Activity in Daily Life in Chronic Obstructive Pulmonary Disease: To Solve the Puzzle, Every Piece Counts. PMID- 29206055 TI - Association study of FOXP3 gene and the risk of 0020 pre-eclampsia. AB - Pre-eclampsia (PE) is a multifactorial pregnancy disorder, with serious consequences for both the mother and the fetus. Despite intense studies, the pathophysiology of PE remains enigmatic. Previous studies suggested that Treg dysfunction is involved in the pathogenesis of PE. We hypothesized that functional variants of the FOXP3 gene might be associated with PE via dysregulation of Treg cells. Of the 276 subjects, we genotyped three variants of FOXP3 by PCR-RFLP and Tetra ARMS-PCR methods. The genotypic frequencies of rs2232365 were found to be protective from the development of PE under codominant [odds ratio (OR) 0.49, 95 percent confidence interval (CI) 0.28-0.87, p-value = 0.043], dominant [odds ratio (OR) 0.54, 95 percent confidence interval (CI) 0.32 0.94, p-value = 0.027] and over dominant [odds ratio (OR) 0.57, 95 percent confidence interval (CI) 0.35-0.92, p-value = 0.02] models. Moreover, the rs3761548 conferred a risk of PE in recessive model [odds ratio (OR) 2.05, 95 percent confidence interval (CI) 1.08-3.88, p-value = 0.025]. However, no mutation was detected in FOXP3 exon2 in any of the studied samples. Based on our results, thought that FOXP3 variants may be an important contributor for the progression of PE in Iranian women. PMID- 29206056 TI - Ease of use of two autoinjectors in patients with multiple sclerosis treated with interferon beta-1a subcutaneously three times weekly: results of the randomized, crossover REDEFINE study. AB - BACKGROUND: For interferon beta-1a subcutaneously three times weekly (IFN beta-1a SC tiw), administration options include manually injected prefilled syringes; a preassembled, single-use autoinjector; and a reusable autoinjector. This study evaluated patient-perceived ease of use of two injection devices. RESEARCH DESIGN AND METHODS: REDEFINE, a Phase IV, multicenter crossover study, randomized patients with multiple sclerosis and >=5 weeks' IFN beta-1a 44 MUg SC tiw use to 4 weeks using a single-use autoinjector, then 4 weeks using a reusable autoinjector, or vice versa. The primary endpoint was the proportion rating each 'easy' or 'very easy', with/without regard to previous device experience. RESULTS: Of 97 randomized patients, 29 had most recent experience with manual injection; 23 with single-use autoinjector; and 45 with reusable autoinjector. 68.4% found using the single-use autoinjector very easy or easy, versus 77.9% for the reusable device (difference -9.5%; p = 0.200). 40.0% versus 29.5% found the respective devices very easy (difference 10.5%; p = 0.203). CONCLUSIONS: Most patients found both autoinjectors easy or very easy to use. Having two viable options may help accommodate patient preferences. Ease of administration and patient satisfaction relates to adherence; satisfied patients may more likely be adherent. TRIAL REGISTRATION: The trial is registered at ClinicalTrials.gov (CT.gov identifier: NCT02019550). PMID- 29206057 TI - School nurse asthma program reduces healthcare utilization in children with persistent asthma. AB - OBJECTIVE: We examined the impact of a novel, school nurse-supervised asthma therapy program on healthcare utilization. METHODS: We retrospectively reviewed charts of 84 children enrolled in this program in central Massachusetts between 2012 and 2015. Physicians identified children with persistent asthma and poor medication adherence. These children were enrolled in the program to receive daily-inhaled corticosteroid at school, supervised by their school nurse, with ongoing communication between physician's office and school nurse through the school year. This program relied on established family, provider and school resources rather than research staff. The primary outcome was change in the number of emergency department (ED) visits in the year before and after enrollment. Secondary outcomes were hospital admissions, school absences, and rescue medication use. RESULTS: The study population was on average 10.5 years old, 63% male, 67% Hispanic, 19% black, 14% white with 95% using Medicaid insurance. Asthma-related ED visits over a 1-year period decreased 37.5%, from a pre-intervention mean of 0.8 visits to a post-intervention mean of 0.3 visits (p < 0.001). Asthma-related hospital admissions decreased from a pre-intervention mean of 0.3 admissions to post-intervention mean of 0 admissions (p < 0.001). Asthma rescue medication refills decreased by 46.3% from the pre- to post intervention period (p = <.001). There were also non-significant declines in school absences and oral steroid use for children enrolled. CONCLUSIONS: We demonstrate a significant reduction in healthcare utilization for children enrolled in this unique school nurse-supervised asthma program, which utilizes a clinical-school partnership to deliver preventative asthma medication to school aged children under sustainable conditions. PMID- 29206059 TI - Efficacy of an intervention programme for rehabilitation of awareness of deficit after acquired brain injury: A pilot study. AB - BACKGROUND: Impaired Awareness of Deficit (AD) is a frequent symptom after suffering acquired brain injury (ABI) that severely influences patients' daily lives. PRIMARY OBJECTIVE: Pilot study to assess the effectiveness of a structured intervention programme which was developed from a biopsychosocial approach, and relied on common therapeutic strategies of proven effectiveness. METHODS: We assessed the effectiveness of our intervention on a sample of 60 patients with ABI, 30 of whom received the specific AD intervention programme, while the other 30 followed an equivalent rehabilitation approach where they received no specific intervention on AD. AD were assessed before and after the specific intervention on AD through an ad-hoc designed questionnaire. RESULTS: This study reports that patients who received the proposed programme demonstrated significant improvement in their level of AD, as compared to the control group. This improvement was observable on all the proposed dimensions of awareness. Interestingly, results from correlation analysis also showed that patients with lower initial AD were those who exhibited a greater degree of improvement following the intervention. CONCLUSIONS: This research provides evidence in favour of the effectiveness of implementing an intervention programme for AD in the context a global rehabilitation process for patients with ABI. PMID- 29206058 TI - Resveratrol, human health and winemaking perspectives. AB - Resveratrol, (3, 5, 4'-trihydroxystilbene) is a non-flavonoid polyphenol stilbene synthesized by plants when damaged by infectious diseases or ionizing radiation. Although present in more than seventy plant species, grapes and wine are the major dietary contributors of resveratrol, responsible for 98% of the daily intake. In 1992, Renaud and De Lorgeril first linked wine polyphenols, including resveratrol, to the potential health benefits ascribed to regular and moderate wine consumption (the so called "French Paradox"). Since then, resveratrol has received increasing scientific interest, leading to research on its biological actions, and to a large number of published papers, which have been collected and discussed in this review. The relatively low amounts of resveratrol measured in wine following moderate consumption, however, may be insufficient to mitigate biological damage, such as that due to oxidative stress. On this basis, the authors also highlight the importance of viticulture and the winemaking process to enhance resveratrol concentrations in wine in order to bolster potential health benefits. PMID- 29206060 TI - War games: using an online game to teach medical students about survival during conflict 'When my survival instincts kick in, what am I truly capable of in times of conflict?' PMID- 29206062 TI - Discrimination between primary low-grade and high-grade glioma with 11C methionine PET: a bivariate diagnostic test accuracy meta-analysis. AB - OBJECTIVE: To perform a meta-analysis evaluating the diagnostic accuracy of 11C methionine (MET) positron emission tomography (PET) to discriminate between primary low-grade glioma (LGG) and high-grade glioma (HGG). METHODS: A systematic database search was performed by a librarian in relevant databases with the latest search on 07 November 2016. Hits were assessed for inclusion independently by two authors. Individual patient data on relative MET uptake was extracted on patients examined pre-operatively with MET PET and subsequent neuropathological diagnosis of astrocytoma or oligodendroglioma. Individual patient data were analysed for diagnostic accuracy using a bivariate diagnostic random-effects meta analysis model with restricted maximum likelihood estimation method. Bivariate meta-regression and subgroup analyses assessed study heterogeneity and validity. This study is registered with PROSPERO, number CRD42016050747. RESULTS: Out of 1828 hits, 13 studies comprising of 241 individuals were included in the quantitative and qualitative analysis. MET PET had an area under the bivariate summary receiver operating characteristics curve of 0.78 to discriminate between LGG and HGG and a summary sensitivity of 0.80 with 95% confidence interval (CI) (0.66-0.88) and a summary false positive rate of 0.28, 95% CI (0.19-0.38). Heterogeneity was described by; bias in patient inclusion, study quality, and ratio method. Optimal cutoff for relative MET uptake was 2.21. CONCLUSION: MET PET had a moderately high diagnostic accuracy for the discrimination between primary LGG and HGG. Advances in knowledge: MET PET can be used as a clinical tool for the non-invasive discrimination between LGG and HGG with a moderately high accuracy at cut-off 2.21. PMID- 29206063 TI - Age discrimination in out-of-hospital cardiac arrest care: a case-control study. AB - BACKGROUND: Although some studies have questioned whether cardiopulmonary resuscitation (CPR) in older people could be futile, age is not considered an essential out-of-hospital cardiac arrest (OHCA) prognostic factor. However, in the daily clinical practice of mobile medical teams (MMTs), age seems to be an important factor affecting OHCA care. AIMS: The purpose of this study was to compare OHCA care and outcomes between young patients (<65 years old) and older patients. METHODS: We performed a case-control study based on data extracted from the French National Cardiac Arrest (CA) registry. All adult patients with CA recorded between July 2011 and May 2014 were included. Each older patient was matched on three criteria: sex, initial cardiac rhythm and no-flow duration. RESULTS: We studied 4347 pairs. We found significantly less basic life support initiation, shorter advanced cardiac life support duration, less MMT automated chest compression, less MMT ventilation and less MMT epinephrine injection in the older patients. Significant differences were also observed for return of spontaneous circulation (odds ratio (OR)=0.84, 95% confidence interval (CI) 0.77 0.92, p<0.001), transport to hospital (OR=0.58, 95% CI 0.51-0.61, p<0.001), vital status at hospital admission (OR=0.55, 95% CI 0.50-0.60, p<0.001) and vital status 30 days after CA (OR=0.42, 95% CI 0.35-0.50, p<0.001). CONCLUSION: All OHCA guidelines, ethical statements and clinical procedures do not propose age as a discrimination criterion in OHCA care. However, in our case-control study, we notice a shorter duration and less intensive care among older patients. This finding may partly explain the lower survival rate compared with younger people. PMID- 29206061 TI - The clinical value of secretin-enhanced MRCP in the functional and morphological assessment of pancreatic diseases. AB - Secretin-enhanced magnetic resonance cholangiopancreatography (S-MRCP) provides a non-invasive way, with which, to evaluate pancreatic duct (PD) anatomy and exocrine pancreatic function. S-MRCP can be added to the routine pancreas MR examination in equivocal cases. Moreover, it can detect subtle PD involvement, allowing diagnosis of early, rather than end-stage, pancreatic diseases. Although S-MRCP is a valuable non-invasive diagnostic method, it is only performed in a few centres due to relative high cost. Furthermore, less familiarity with its indications, the examination technique, and image interpretation also contribute to its limited use. Thus, the purpose of this article is to explain secretin's mechanism of action, the examination technique, the clinically relevant indications, the advantages, and limitations. Finally, we will focus on image analysis and its role in achieving an early and accurate diagnosis of specific pancreatic and PD diseases. PMID- 29206064 TI - Predicting the likelihood of postoperative seizure status based on mRNA sequencing in low-grade gliomas. AB - AIM: No comprehensive and objective methods yet exist for predicting postoperative seizure. PATIENTS & METHODS: mRNA-seq data and corresponding postoperative seizure status of 109 low-grade glioma samples were obtained from Chinese Glioma Genome Atlas database and divided into two sets randomly. Logistic regression and receiver operating characteristic analysis with risk score method were used to develop a ten-gene prediction model. RESULTS: Considering gene number and area under the curve of receiver operating characteristic, a ten-gene model was generated which showed an area under the curve of 0.9965 in training set. Patients with high-risk scores had higher probability of postoperative seizure compared with those with low-risk scores. CONCLUSION: This is the first prediction model for postoperative seizures in gliomas, integrating multiple genes. Clinical application may help patients with postoperative seizure control. PMID- 29206065 TI - Does HIV Really Augment the Frequency or Mortality Risk of Increased Pulmonary Artery Systolic Pressures? PMID- 29206066 TI - Magnesium induces preconditioning of the neonatal brain via profound mitochondrial protection. AB - Magnesium sulphate (MgSO4) given to women in preterm labor reduces cerebral palsy in their offspring but the mechanism behind this protection is unclear, limiting its effective, safe clinical implementation. Previous studies suggest that MgSO4 is not neuroprotective if administered during or after the insult, so we hypothesised that MgSO4 induces preconditioning in the immature brain. Therefore, we administered MgSO4 at various time-points before/after unilateral hypoxia ischemia (HI) in seven-day-old rats. We found that MgSO4 treatment administered as a bolus between 6 days and 12 h prior to HI markedly reduced the brain injury, with maximal protection achieved by 1.1 mg/g MgSO4 administered 24 h before HI. As serum magnesium levels returned to baseline before the induction of HI, we ascribed this reduction in brain injury to preconditioning. Cerebral blood flow was unaffected, but mRNAs/miRNAs involved in mitochondrial function and metabolism were modulated by MgSO4. Metabolomic analysis (H+-NMR) disclosed that MgSO4 attenuated HI-induced increases in succinate and prevented depletion of high-energy phosphates. MgSO4 pretreatment preserved mitochondrial respiration, reducing ROS production and inflammation after HI. Therefore, we propose that MgSO4 evokes preconditioning via induction of mitochondrial resistance and attenuation of inflammation. PMID- 29206067 TI - Oligomeric and fibrillar amyloid beta 42 induce platelet aggregation partially through GPVI. AB - The effects of the Alzheimer's disease (AD)-associated Amyloid-beta (Abeta) peptides on platelet aggregation have been previously assessed, but most of these studies focused on Abeta40 species. It also remains to be determined which distinct forms of Abeta peptides exert differential effects on platelets. In AD, oligomeric Abeta42 species is widely thought to be a major contributor to the disease pathogenesis. We, therefore, examine the ability of oligomeric and fibrillary Abeta42 to affect platelet aggregation. We show that both forms of Abeta42 induced significant platelet aggregation and that it is a novel ligand for the platelet receptor GPVI. Furthermore, a novel binding peptide that reduces the formation of soluble Abeta42 oligomers was effective at preventing Abeta42 dependent platelet aggregation. These results support a role for Abeta42 oligomers in platelet hyperactivity. PMID- 29206068 TI - Is It Safe to Discontinue Statins? Does Stopping Statins Improve Quality of Life: Yes and No. PMID- 29206069 TI - The Palliative Care Resource Nurses Pilot Survey: A Descriptive Report of Their Primary Palliative Care Role and Educational Needs. PMID- 29206070 TI - Efficacy of platelet concentrates in bone healing: A systematic review on animal studies - Part B: Large-size animal models. AB - In the presence of large bone defects, delayed bone union, or nonunion and fractures, bone reconstruction may be necessary. Different strategies have been employed to enhance bone healing among which the use of autologous platelet concentrates (APCs). Due to the high content of platelets and platelet-derived bioactive molecules (e.g., growth factors, antimicrobial peptides), they are promising candidates to enhance bone healing. However, both preclinical and clinical studies produced contrasting results, mainly due to a high heterogeneity in study design, objectives, techniques adopted, and outcomes assessed. The aim of the present systematic review was to evaluate the efficacy of APCs in animal models of bone regeneration, considering the possible factors that might affect the outcome. An electronic search was performed on MEDLINE and Scopus databases. Comparative animal studies with a minimum follow up of 2 weeks, at least five subjects per group and using APCs for regeneration of bone defects were included. Articles underwent risk of bias assessment and quality evaluation. Fifty studies performed on six animal species (rat, rabbit, dog, sheep, goat, mini-pig) were included. The present part of the review considers studies performed on small ruminants, dogs, and mini-pigs (14 articles). The majority of the studies were considered at low risk of bias. In general, APCs' adjunct positively affected bone regeneration. Animal species, platelet and growth factors concentration, type of bone defect and of platelet concentrate used seemed to influence their efficacy in bone healing. However, sound conclusions were not drawn since too few studies for each large-size animal model were included. In addition, characterization of APCs' content was performed only in a few studies. Further studies with a standardized protocol including characterization of the final products will provide useful information for translating the results to clinical application of APCs in bone surgery. PMID- 29206071 TI - Multivariable analysis of the association between electrolyte disturbances and mortality in cats. AB - OBJECTIVES: Electrolyte disorders have been individually associated with mortality in small populations of cats with specific conditions, but the associations and interactions between electrolyte disturbances and outcome have not been evaluated in a large, heterogeneous population. It was hypothesized that abnormalities of sodium, chloride, potassium and calcium concentrations would be independently and proportionately associated with death from natural causes and with all-cause mortality in cats. METHODS: An electronic database containing 7064 electrolyte profiles was constructed to assess the association between disorders of sodium, potassium, corrected-chloride and ionized calcium concentrations with non-survival by multivariable modelling. A second database containing 2388 records was used to validate the models constructed from the first database. RESULTS: All four electrolytes assessed had non-linear U-shaped associations with case fatality rates, wherein concentrations clustered around the reference interval had the lowest case fatality rates, while progressively abnormal concentrations were associated with proportionately increased risk of non survival (area under the receiver operator characteristic curve [AUROC] 0.689) or death (AUROC 0.750). CONCLUSIONS AND RELEVANCE: Multivariable modelling suggested that these electrolyte disturbances were associated with non-survival and with death from natural causes independent of each other. The present study suggests that measurement of electrolyte concentrations is an important component of the assessment of cats in emergency rooms or intensive care units. Future studies should focus on confirming these associations in a prospective manner accounting for disease severity. PMID- 29206072 TI - Cigarette smoking reduces platelet reactivity independently of clopidogrel treatment in patients with non-ST elevation acute coronary syndromes. AB - Smokers receiving clopidogrel show a lower residual platelet reactivity than non smokers, a phenomenon generally ascribed to smoking-induced increased production of clopidogrel active metabolite, but also associated with the high hemoglobin levels of smokers, which decreases platelet reactivity in tests that measure platelet function in whole blood. We evaluated the impact of cigarette smoking and of hemoglobin levels on platelet reactivity index (PRI) measured by the vasodilator-stimulated phosphoprotein phosphorylation (VASP-P) assay in whole blood samples from patients with non-ST elevation acute coronary syndrome (NSTE ACS) undergoing percutaneous coronary interventions, both before and after clopidogrel administration. PRI was measured in 718 clopidogrel-naive NSTE-ACS patients, both before and 1 month after treatment with clopidogrel (75 mg daily). Smokers (n = 347, 48%) had significantly lower mean PRI levels at both baseline (57.7 +/- 24.1 vs. 64.8 +/- 19.8, p < 0.001) and 1 month (43.4 +/- 20.3% vs. 46.8 +/- 18.0%, p = 0.017) than non-smokers. After adjusting for potential confounders (age, sex, diabetes, chronic kidney disease, Syntax score>15), the beta coefficient of smoke on PRI was -8.51 [-11.90 to -5.11, p < 0.001] at baseline and -3.41 [-6.30 to -0.51, p = 0.02] after 1 month. Hemoglobin was higher in smokers (13.8 +/- 1.5 g/dL) than non-smokers (13.1 +/- 1.7 g/dL, p < 0.001), but was not significantly correlated with PRI both at baseline (Rho = 0.02, p = 0.60) and at 1 month (Rho = 0.01, p = 0.80). Our analysis confirms that clopidogrel treated smokers have lower platelet reactivity, measured by the VASP-P assay, compared to clopidogrel-treated non-smokers. However, smokers had lower platelet reactivity already before receiving clopidogrel treatment, suggesting that smoke affects platelet reactivity independently of its potential effect on the pharmacokinetics of clopidogrel. Our data also indicate that such an effect is not mediated by increased hemoglobin levels. PMID- 29206073 TI - Pilot Study: The Effectiveness of Complex Decongestive Therapy for Lymphedema in Palliative Care Patients with Advanced Cancer. AB - BACKGROUND: Complex decongestive therapy (CDT) is a regimen of physical treatment for lymphedema. Its effectiveness is unknown in advanced cancer patients. This study evaluates effectiveness of CDT in this population. METHOD: This is a prospective observational cohort study for 18 months of advanced cancer patients with lymphedema, who received three or more CDT interventions. Measurements were taken before the first (T1), third (T3), and sixth (T6) treatments as follows: limb volume using circumferential measurements, quality of life (QOL) using qualitative questions, skin quality using a locally developed scale measuring color, thickness, and texture. The treating physiotherapists collected data. Analysis was carried out using Microsoft Excel and SPSS. RESULTS: Twelve patients, age range 42-73 years (median 69.5) were included. Survival from last recorded treatment ranged from 3 to 262 days (median 40). At T3 (n = 21 limbs), volume reduction was significant (Wilcoxin Signed Rank Test Z = -2.5, p = 0.01, r = 0.5). At T6 (n = 13 limbs), volume reduction was significant (Z = -2.4, p = 0.013, r = 0.66). At both time points, there were significant reductions in abnormal skin thickness and surface, but not color. Improvements occurred independent of volume changes. QOL changes included better function, improved limb aesthetics, and less pain and tightness. CONCLUSION: For the first time, this study shows that CDT is effective for a cohort of palliative cancer patients with limited survival. Improvements in limb volume, skin quality, and lymphedema related QOL were recorded. Valid skin and QOL measures need to be developed. Larger, blinded trials need to be conducted to determine which patients benefit from CDT. PMID- 29206074 TI - A novel flow cytometry assay using dihydroethidium as redox-sensitive probe reveals NADPH oxidase-dependent generation of superoxide anion in human platelets exposed to amyloid peptide beta. AB - Reactive oxygen species (ROS) generation is critical in the regulation of platelets, which has important implications in the modulation of hemostasis and thrombosis. Nonetheless, despite several assays have been described and successfully utilized in the past, the analysis of ROS generation in human platelets remains challenging. Here we show that dihydroethidium (DHE) allows the characterization of redox responses upon platelet activation by physiological and pathological stimuli. In particular, the flow cytometry assay that we describe here allowed us to confirm that thrombin, collagen-related peptide (CRP) and arachidonic acid but not adenosine diphosphate (ADP) stimulate superoxide anion formation in a concentration-dependent manner. 0.1unit/ml thrombin, 3 MUg/ml CRP and 30 MUM arachidonic acid are commonly used to stimulate platelets in vitro and here were shown to stimulate a significant increase in superoxide anion formation. The ROS scavenger N-acetylcysteine (NAC) abolished superoxide anion generation in response to all tested stimuli, but the pan-NADPH oxidase (NOX) inhibitor VAS2870 only inhibited superoxide anion formation in response to thrombin and CRP. The involvement of NOXs in thrombin and CRP-dependent responses was confirmed by the inhibition of platelet aggregation induced by these stimuli by VAS2870, while platelet aggregation in response to arachidonic acid was insensitive to this inhibitor. In addition, the pathological platelet stimulus amyloid beta (Abeta) 1-42 peptide induced superoxide anion formation in a concentration-dependent manner. Abeta peptide stimulated superoxide anion formation in a NOX-dependent manner, as proved by the use of VAS2870. Abeta 1-42 peptide displayed only moderate activity as an aggregation stimulus, but was able to significantly potentiate platelet aggregation in response to submaximal agonists concentrations, such as 0.03 unit/ml thrombin and 10 MUM arachidonic acid. The inhibition of NOXs by 10 MUM VAS2870 abolished Abeta-dependent potentiation of platelet aggregation in response to 10 MUM arachidonic acid, suggesting that the pro-thrombotic activity of Abeta peptides depends on NOX activity. Similar experiments could not be performed with thrombin or collagen, as NOXs are required for the signaling induced by these stimuli. These findings shed some new light on the pro-thrombotic activity of Abeta peptides. In summary, here we describe a novel and reliable assay for the detection of superoxide anion in human platelets. This is particularly important for the investigation of the pathophysiological role of redox stress in platelets, a field of research of increasing importance, but hindered by the absence of a reliable and easily accessible ROS detection methodology applicable to platelets. PMID- 29206075 TI - Effect of wastewater quality parameters on coliform inactivation by tin oxide anodes. AB - The effect of six water quality constituents on wastewater effluent disinfection by tin oxide anodes (TOAs) was investigated in single cell laboratory reactors. Several concentrations of suspended solids, chemical oxygen demand (COD), alkalinity, ammonia-nitrogen, nitrite-nitrogen, and nitrate-nitrogen were added to media containing 106 total coliform bacteria mL-1. Current was applied through the TOAs, and coliform bacteria viability was analyzed over time. Over 99.9% inactivation of coliform bacteria was found over 15 min in TOA reactors. Concentrations of the six water quality constituents typical of concentrations found in wastewaters had no effect on TOA disinfection efficacy. The results of this research demonstrate that TOAs, which could potentially be powered by solar panels, have potential as a sustainable disinfection process compared to chlorine, ozone, and ultraviolet light. PMID- 29206076 TI - Assessment of the ability of V920 recombinant vesicular stomatitis-Zaire ebolavirus vaccine to replicate in relevant arthropod cell cultures and vector species. AB - V920, rVSVDeltaG-ZEBOV-GP, is a recombinant vesicular stomatitis-Zaire ebolavirus vaccine which has shown an acceptable safety profile and provides a protective immune response against Ebola virus disease (EVD) induced by Zaire ebolavirus in humans. The purpose of this study was to determine whether the V920 vaccine is capable of replicating in arthropod cell cultures of relevant vector species and of replicating in live mosquitoes. While the V920 vaccine replicated well in Vero cells, no replication was observed in Anopheles or Aedes mosquito, Culicoides biting midge, or Lutzomyia sand fly cells, nor in live Culex or Aedes mosquitoes following exposure through intrathoracic inoculation or feeding on a high-titer infectious blood meal. The insect taxa selected for use in this study represent actual and potential epidemic vectors of VSV. V920 vaccine inoculated into Cx. quinquefasciatus and Ae. aegypti mosquitoes demonstrated persistence of replication-competent virus following inoculation, consistent with the recognized biological stability of the vaccine, but no evidence for active virus replication in live mosquitoes was observed. Following administration of an infectious blood meal to Ae. aegypti and Cx. quinquefasciatus mosquitoes at a titer several log10 PFU more concentrated than would be observed in vaccinated individuals, no infection or dissemination of V920 was observed in either mosquito species. In vitro and in vivo data gathered during this study support minimal risk of the vector-borne potential of the V920 vaccine. PMID- 29206078 TI - Serological survey of mumps antibodies in adults in the Czech Republic and the need for changes to the vaccination strategy. AB - Mumps outbreaks, especially in adolescents and young adults, have been reported in the Czech Republic. The aim of the presented study was to determine the seroprevalence of specific IgG antibodies against mumps in the adult population of the Czech Republic. The study was designed as a multicenter serological survey of adults aged 18 years and over. Specific IgG antibodies against mumps were detected in blood samples using an enzyme-linked immunosorbent assay (ELISA). A total of 1,911 serum samples were examined. The overall seropositivity reached 55.3%. In individual age groups, the highest seropositivity 63% (63.5-65.2%) was recorded in adults aged 40 years and over; the lowest seropositivity was found in adults aged 18-29 years (27.4%). The difference in seropositivity rate between the 18-29 years age group and the 40 years and over age groups was statistically significant (p < 0.001). Only the 18-29 years age group included both vaccinated and unvaccinated (born in the pre-vaccine era) individuals. In vaccinated individuals, seropositivity was reported in only 19.1% of persons; in unvaccinated individuals, seropositivity reached 48.2%. Our results demonstrate the long-term persistence of antibodies following natural infection and the decrease in seropositivity that occurs after vaccination over time. This immunity waning may account for the higher susceptibility of adolescents and young adults to mumps. Therefore, the current vaccination program in the Czech Republic could be considered as less effective. It will be modified with the shifting of the second dose of vaccine from two years of age to the preschool age. PMID- 29206077 TI - Radiosurgery and stereotactic radiotherapy with cyberknife system for meningioma treatment. AB - Objective The aim of this work was to evaluate the impact of stereotactic radiosurgery/fractionated stereotactic radiotherapy with the Cyberknife system on local disease control, clinical outcome and toxicity in patients with meningioma, according to the site and histological grade of lesion. From January 2013 to April 2017, 52 patients with intracranial meningiomas were treated with the Cyberknife system. Twenty-four patients had undergone previous surgery: 38% gross total resection, 10% subtotal resection; 27 patients underwent no surgery; 22 patients had a recurrence of meningioma. Methods Radiosurgery was used for lesions smaller than 2 cm, stereotactic radiotherapy for lesions larger than 2 cm, or smaller but close to a critical site such as the optical chiasm, optic pathway or brainstem. Results Local control and clinical outcomes were analysed. Median follow-up was 20 months: six patients died, one after re-surgery died from post-surgical sepsis, three from heart disease. Progression-free survival had a mean value of 38.3 months and overall survival of 41.6 months. We evaluated at 12 months 28 patients (100% local control); at 24 months 19 patients (89% local control); at 36 months nine patients (89% local control). At baseline, 44/52 patients (85%) were symptomatic: 19 visual disorders, 17 motor disorders, six hearing disorders, 10 headache and six epilepsy. Visual symptoms remained unchanged in 52%, improved in 32%, resolved in 16%. Headache was improved in 40%, resolved in 10%, unchanged in 50%. Epilepsy was resolved in 17%, unchanged in 33%, worsened in 33%. Conclusions Stereotactic radiosurgery/fractionated stereotactic radiotherapy with Cyberknife provides a good local disease control, improving visual, hearing and motor symptoms. PMID- 29206079 TI - Vienna Vaccine Safety Initiative. PMID- 29206080 TI - Understanding forensic psychiatry in healthcare practices and collaboration between legal nurse consultants and physicians. AB - In 2000, the Institute of Medicine stunned many professionals with their published report that noted the vast number of deaths that occur each year in hospitals across the United States which reach as many as 98,000. Therefore, it comes as no surprise that the healthcare arena faces litigious issues regularly, with some specialties budgets being significantly impacted by the cost of maintaining liability insurance. Legal Nurse Consultants and forensic physicians working in tandem but who work independently from treating clinicians can carry out forensic independent medical examinations (IME). This can help to assess the validity of malpractice claims, including issues of causation and degree of injuries claimed due to the incident(s) and recommend treatment strategies where appropriate. Reviews can cover a wide range of issues such as a person's past or current testamentary capacity, a prisoner or an accused person's mental health and/or mental impairment where necessary sending them for more assessment or treatment outside prison. This article argues that independent medical reviews are a useful tool that can assist the civil and criminal courts processes. PMID- 29206081 TI - Removal of organic matter of electrodialysis reversal brine from a petroleum refinery wastewater reclamation plant by UV and UV/H202 process. AB - Direct (UV) and hydrogen peroxide-assisted (UV/H2O2) photolysis were investigated in bench-scale for removing the organic compounds present in the electrodialysis reversal (EDR) brine from a refinery wastewater reclamation plant. In the UV/H2O2 experiments, a COD:H2O2 molar ratios of 1:1, 1:2 and 1:3 were tested by recirculating the brine in the UV reactor for 120 min. Results showed a significant reduction in UVA254, whereas no reduction was observed for chemical oxygen demand (COD), in the UV process, suggesting great cleavage but limited mineralization of the organic matter. UV/H2O2 with C:H2O2 ratio of 1:3 exhibited high efficiency in removing the organic matter (COD removal of 92% with an electrical energy per removal order (EEO) value of 22 kW h m-3). Although the EDR brine has high salinity, no strong scavenging effect of *OH was found in the water matrix due to the high concentration of anions, especially chloride and bicarbonate. Finally, UV/H2O2 with C:H2O2 ratio of 1:3 and residence time of 120 min is an efficient alternative for organic matter removal of EDR brine from refinery wastewater reclamation plant showing total capital cost (CapEx) estimated at US$ 369,653.00 and total operational cost (OpEx), at US$ 1.772 per cubic meter of effluent. PMID- 29206082 TI - Developmental prosopagnosia with concurrent topographical difficulties: A case report and virtual reality training programme. AB - Several neuropsychological case studies report brain-damaged individuals with concurrent impairments in face recognition (i.e., prosopagnosia) and topographical orientation. Recently, individuals with a developmental form of topographical disorientation have also been described, and several case reports of individuals with developmental prosopagnosia provide anecdotal evidence of concurrent navigational difficulties. Clearly, the co-occurrence of these difficulties can exacerbate the negative psychosocial consequences associated with each condition. This paper presents the first detailed case report of an individual (FN) with developmental prosopagnosia alongside difficulties in topographical orientation. FN's performance on an extensive navigational battery indicated that she primarily has difficulties in the formation and retrieval of cognitive maps. We then evaluated the effectiveness of a short-term virtual reality training programme and found that she is able to form a cognitive map of a particular environment following intense overlearning. Surprisingly, FN's performance on a face recognition task also improved following training. While the latter finding was unexpected and requires further exploration, the training programme reported here may help to alleviate some of the compounded negative psychosocial consequences that are associated with difficulties in finding both locations and people. PMID- 29206083 TI - Tropical surface water quality studies: Implications for the aquatic fate of N methyl carbamate pesticides. AB - Water quality assessment was conducted on the Ruiru River, a tributary of an important tropical river system in Kenya, to determine baseline river conditions for studies on the aquatic fate of N-methyl carbamate (NMC) pesticides. Measurements were taken at the end of the long rainy season in early June 2013. Concentrations of copper (0.21-1.51 ppm), nitrates (2.28-4.89 ppm) and phosphates (0.01-0.50 ppm) were detected at higher values than in uncontaminated waters, and attributed to surface runoff from agricultural activity in the surrounding area. Concentrations of dissolved oxygen (8-10 ppm), ammonia (0.02-0.22 ppm) and phenols (0.19-0.83 ppm) were found to lie within normal ranges. The Ruiru River was found to be slightly basic (pH 7.08-7.70) with a temperature of 17.8-21.2 degrees C. The half-life values for hydrolysis of three NMC pesticides (carbofuran, carbaryl and propoxur) used in the area were measured under laboratory conditions, revealing that rates of decay were influenced by the electronic nature of the NMCs. The hydrolysis half-lives at pH 9 and 18 degrees C decreased in the order carbofuran (57.8 h) > propoxur (38.5 h) > carbaryl (19.3 h). In general, a decrease in the electron density of the NMC aromatic ring increases the acidity of the N-bound proton removed in the rate-limiting step of the hydrolysis mechanism. Our results are consistent with this prediction, and the most electron-poor NMC (carbaryl) hydrolyzed fastest, while the most electron rich NMC (carbofuran) hydrolyzed slowest. Results from this study should provide baseline data for future studies on NMC pesticide chemical fate in the Ruiru River and similar tropical water systems. PMID- 29206084 TI - Identity crisis in pulmonary arterial hypertension. AB - Pulmonary arterial hypertension (PAH) shares many hallmarks with cancer. Cancer cells acquire their hallmarks by a pathological Darwinian evolution process built on the so-called cancer cell "identity crisis." Here we demonstrate that PAH shares the most striking features of the cancer identity crisis: the ectopic expression of normally silent tissue-specific genes. PMID- 29206085 TI - Reduction in the burden of hospital admissions due to cervical disease from 2003 2014 in Spain. AB - BACKGROUND: Cervix uteri cancer is the 4th most common cancer among women worldwide and the second most frequent cancer in women under 45 years old in Spain. We aimed to describe the burden of hospital admissions by malignant neoplasia (MN) and in situ carcinoma (ISC) of the cervix in Spain from 2003 to 2014, a 12-year period that included the first years after introduction of an HPV vaccination program. METHODS: This epidemiological study reviewed data from the Ministry of Health National Surveillance System, which includes more than 98% of Spanish hospitals. Hospitalization rate, mortality rate, and case fatality rates were calculated per year and age group. RESULTS: We found 74,933 hospitalizations due to MN and ISC of the cervix. The average age at hospitalization increased significantly during the study period. The average length of hospital stay decreased significantly (p<0.001), while hospitalization costs increased. The mean hospitalization rate was 27.532 cases per 100,000 women (95% CI: 27.335 27.729). This rate decreased significantly during the study period. The mean mortality rate was 1.418 deaths per 100,000 women (95% CI: 1.373-1.463) and the mean case-fatality rate was 5.150% (95% CI: 4.992-5.308). CONCLUSION: Our study showed a substantial decrease in the hospitalization burden due to cervical disease. This decrease could be attributable to different causes including cervical cancer prevention measures, and changes in disease management. Further research is needed to confirm the cause. This information could contribute to further evaluations of the impact and cost effectiveness analysis of HPV vaccination in Spain. PMID- 29206086 TI - Early Use of Tacrolimus Extended-Release in a Pediatric Kidney Transplant Recipient. AB - Tacrolimus extended-release pharmacokinetics and its once-daily formulation provide beneficial properties, and its use has been evaluated in the adult kidney transplant population. Here, we report a case of successful conversion from tacrolimus immediate-release capsules to tacrolimus extended-release tablets in a pediatric kidney transplant recipient. PMID- 29206087 TI - Alemtuzumab Induction Is Associated With an Equalization of Outcomes Between White and African American Kidney Transplant Recipients. AB - OBJECTIVES: Our aim was to assess outcomes in White and African American kidney transplant recipients after induction with alemtuzumab. MATERIALS AND METHODS: We performed a retrospective study of 464 patients who received deceased-donor kidney transplants and were induced with alem-tuzumab between March 2006 and May 2015. We evaluated ethnic influences on patient and graft survival, delayed graft function, allograft failure, and rejection. RESULTS: There were 337 White (67.3%) and 127 African American (25.3%) patients. We observed no significant differences in 1-, 3-, 5-, and 7- year death-censored graft survival. We also observed no significant differences in 1-, 3-, and 5-year patient survival rates. Having African American ethnicity was not a significant predictor of rejection, graft survival, or patient survival. CONCLUSIONS: Our results indicate that recipient ethnicity is not a predictor of rejection, graft survival, or patient survival. White and African American kidney transplant recipients induced with alemtuzumab experienced an equalization of outcomes. PMID- 29206088 TI - Hepatic Venous Outflow Obstruction After Living-Donor Liver Transplant: Single Center Experience. AB - OBJECTIVES: In this study, we share our approach for care of patients with hepatic venous outlet obstruction after living-donor liver transplant. MATERIALS AND METHODS: We retrospectively examined the demographic, clinical, and radiologic data of 35 patients who developed hepatic venous outlet obstruction after living-donor liver transplant. Patients were subgrouped on the basis of onset (8 patients with early onset [< 30 days posttransplant] and 27 patients with late onset [>= 30 days posttransplant]) and postoperative survival (24 survivors, 11 nonsurvivors). RESULTS: Patients ranged in age from 1 to 61 years (24 adults and 11 children). All adult patients had undergone right lobe living donor liver transplant. In the pediatric group, 8 had undergone left lateral segment and 3 had undergone left lobe living-donor liver transplant. Nineteen adult patients and all 11 pediatric patients underwent hepatic venous reconstruction, with all procedures based on common large-opening drainage models using various vascular graft materials. Development of hepatic venous outlet obstruction occurred at mean posttransplant day 233 +/- 298.5 in the adult patients and mean posttransplant day 139 +/- 97.8 in the pediatric patients. After development of obstruction, the patients underwent 1-6 sessions (1.5 +/- 1.1 sessions) of balloon angioplasty. After the first balloon angioplasty procedure, 25% of the adults and 36.3% of the pediatric patients developed recurrence. The early-onset and late-onset subgroups showed statistically significant differences in serum albumin (P = .01), underlying causes (P < .001), time from transplant to obstruction (P = .02), and time from transplant to last visit (P = .02). The survivor and nonsurvivor subgroups showed statistically significant differences in total bilirubin (P = .03) and time from transplant to last visit (P = .03). CONCLUSIONS: Common large-opening reconstruction minimizes hepatic venous outlet obstruction development after living-donor liver transplant. Balloon angioplasty and/or stenting is almost always the first option in the care of this complication. PMID- 29206089 TI - Papillomatosis of the Biliary Tree and Gallbladder: Successful Treatment With Repeated Resection and Liver Transplant. AB - Intraductal papillary neoplasm of the bile duct is now considered to be a specific type of bile duct tumor. The progenitor cells of intraductal papillary neoplasms of the bile duct are located in the peribiliary gland, which are distributed along the intrahepatic bile duct, extrahepatic bile duct, and gallbladder; therefore, these neoplasms could arise in any area. The mainstay of treatment for patients with intraductal papillary neoplasm of the bile duct is complete surgical resection. Neoplasms involving both lobes of the liver can only be treated with liver transplant. There have been 11 reported cases of patients with biliary papillomatosis treated with liver transplant. In all of these cases, involvement was limited to the bile duct. Herein, we present the first case of papillomatosis with extensive involvement in the intrahepatic bile duct, the extrahepatic bile duct, and the gallbladder, which was successfully treated with repeated resection and liver transplant. PMID- 29206090 TI - Utility of Serial Protocol Biopsies Performed After 1 Year in Predicting Long Term Kidney Allograft Function According to Histologic Phenotype. AB - OBJECTIVES: Prognostic implications of early protocol biopsies have been studied; however, the value of late protocol biopsy in predicting graft outcome has not been well defined. Here, we compared the effects of early and late protocol biopsy histologic findings in stable kidney allografts and aimed to understand the significance of "borderline" rejection on allograft function. MATERIALS AND METHODS: We studied 261 biopsies from 159 renal transplant recipients who were on a steroid-free, calcineurin inhibitor and mycophenolate mofetil regimen and who received transplants between 2004 and 2012 with mean follow-up of 5 years. Early (between 3 and 9 mo) and subsequent late (between 12 and 24 mo) protocol biopsies were performed. Biopsies were classified as normal, interstitial fibrosis and/or tubular atrophy, subclinical acute rejection with interstitial fibrosis and/or tubular atrophy, and borderline rejection with interstitial fibrosis and/or tubular atrophy. A linear mixed-effects model was used to determine the effects of early and late protocol biopsies on estimated glomerular filtration rate changes, with baseline time for estimated glomerular filtration rate fixed at 12 months. RESULTS: The adjusted model showed that estimated glomerular filtration rate at 3 months, donor age, delayed graft function, and early protocol biopsies were associated with baseline estimated glomerular filtration rate at 12 months. Estimated glomerular filtration rate changes over time were associated with findings of interstitial fibrosis and/or tubular atrophy at early biopsy and subclinical acute rejection and borderline rejection at late biopsy. At last follow-up, final estimated glomerular filtration rate was significantly associated with interstitial fibrosis and/or tubular atrophy at early biopsy and with subclinical acute rejection at late biopsy. CONCLUSIONS: Although early protocol biopsy predicted baseline estimated glomerular filtration rate, late biopsy was important for predicting changes in function over time. In addition, a diagnosis of "borderline" rejection on protocol biopsies predicted long-term graft function. PMID- 29206092 TI - Arginine and aerobic training prevent endothelial and metabolic alterations in rats at high risk for the development of the metabolic syndrome - CORRIGENDUM. PMID- 29206091 TI - Effects of caffeine administration on sedation and respiratory parameters in patients recovering from anesthesia. AB - Caffeine has been shown to enhance the speed of recovery from general anesthesia in murine models, though data in human patients is lacking. This is a retrospective review of intravenous caffeine administration (median dose 150 [125, 250] mg) to 151 heavily sedated patients in the post-anesthesia recovery area, to determine the association between caffeine administration and changes in sedation score, respiratory rate, and oxyhemoglobin saturation. Richmond Agitation-Sedation Scale (RASS) score, respiratory rate, and oxyhemoglobin saturation values were obtained during the 90-minute period prior to and following caffeine administration. Generalized estimating equations (GEE) with explanatory variables of time, caffeine, and the time-by-caffeine interaction were created to assess changes in the variables of interest after caffeine administration. Following the administration of caffeine, the RASS scores increased (estimate = 0.57, SE = 0.14, p < 0.001) but a trend over time or in the interaction effect was not observed, suggesting that the changes in RASS were not solely due to the recovery from anesthesia over time. No association was found between caffeine administration and changes in respiratory parameters. No adverse cardiac events were observed. Our data suggests that intravenous caffeine may enhance the speed of recovery following general anesthesia, though future prospective trials are necessary to define the optimal dose and timing of administration. PMID- 29206093 TI - The clinical effectiveness and cost-effectiveness of treat-to-target strategies in rheumatoid arthritis: a systematic review and cost-effectiveness analysis. AB - BACKGROUND: Treat to target (TTT) is a broad concept for treating patients with rheumatoid arthritis (RA). It involves setting a treatment target, usually remission or low disease activity (LDA). This is often combined with frequent patient assessment and intensive and rapidly adjusted drug treatment, sometimes based on a formal protocol. OBJECTIVE: To investigate the clinical effectiveness and cost-effectiveness of TTT compared with routine care. DATA SOURCES: Databases including EMBASE and MEDLINE were searched from 2008 to August 2016. REVIEW METHODS: A systematic review of clinical effectiveness was conducted. Studies were grouped according to comparisons made: (1) TTT compared with usual care, (2) different targets and (3) different treatment protocols. Trials were subgrouped by early or established disease populations. Study heterogeneity precluded meta analyses. Narrative synthesis was undertaken for the first two comparisons, but was not feasible for the third. A systematic review of cost-effectiveness was also undertaken. No model was constructed as a result of the heterogeneity among studies identified in the clinical effectiveness review. Instead, conclusions were drawn on the cost-effectiveness of TTT from papers relating to these studies. RESULTS: Sixteen clinical effectiveness studies were included. They differed in terms of treatment target, treatment protocol (where one existed) and patient visit frequency. For several outcomes, mixed results or evidence of no difference between TTT and conventional care was found. In early disease, two studies found that TTT resulted in favourable remission rates, although the findings of one study were not statistically significant. In established disease, two studies showed that TTT may be beneficial in terms of LDA at 6 months, although, again, in one case the finding was not statistically significant. The TICORA (TIght COntrol for RA) trial found evidence of lower remission rates for TTT in a mixed population. Two studies reported cost-effectiveness: in one, TTT dominated usual care; in the other, step-up combination treatments were shown to be cost-effective. In 5 of the 16 studies included the clinical effectiveness review, no cost-effectiveness conclusion could be reached, and in one study no conclusion could be drawn in the case of patients denoted low risk. In the remaining 10 studies, and among patients denoted high risk in one study, cost effectiveness was inferred. In most cases TTT is likely to be cost-effective, except where biological treatment in early disease is used initially. No conclusions could be drawn for established disease. LIMITATIONS: TTT refers not to a single concept, but to a range of broad approaches. Evidence reflects this. Studies exhibit substantial heterogeneity, which hinders evidence synthesis. Many included studies are at risk of bias. FUTURE WORK: Future studies comparing TTT with usual care must link to existing evidence. A consistent definition of remission in studies is required. There may be value in studies to establish the importance of different elements of TTT (the setting of a target, the intensive use of drug treatments and protocols pertaining to those drugs and the frequent assessment of patients). CONCLUSION: In early RA and studies of mixed early and established RA populations, evidence suggests that TTT improves remission rates. In established disease, TTT may lead to improved rates of LDA. It remains unclear which element(s) of TTT (the target, treatment protocols or increased frequency of patient visits) drive these outcomes. Future trials comparing TTT with usual care and/or different TTT targets should use outcomes comparable with existing literature. Remission, defined in a consistent manner, should be the target of choice of future studies. STUDY REGISTRATION: This study is registered as PROSPERO CRD42015017336. FUNDING: The National Institute for Health Research Health Technology Assessment programme. PMID- 29206094 TI - Long-term follow-up and outcome in patients with recurrent respiratory laryngeal papillomatosis. AB - INTRODUCTION: Recurrent respiratory papillomatosis is characterized by wart-like lesions of the upper airway and is most frequently caused by human papillomavirus (HPV). The disease has significant impact on quality of life due to potential airway obstruction, dysphonia and the need for serial surgeries. The main objective of this study was to describe patient characteristics and long-term follow-up data in a Danish cohort with the disease. METHODS: The study was a longitudinal retrospective cohort-study using data from electronic medical records and a pathology database. RESULTS: A total of 61 adult and four juvenile patients were identified. The male-to-female ratio was 2.4. In the adult population, the mean age at onset was 45 years. The median number of surgeries was four (interquartile range: 2.8). The mean follow-up time was 8.7 years (range: 7 days-30 years). Three cases of malignant transformation were observed. In the juvenile population, the mean age of onset was 8.5 years (range: 3-12 years). The mean follow-up time was 11.5 years (range: 2-23 years), and the number of surgeries per year at risk was one/year. CO2-laser and microdebrider were the surgical techniques usually employed. 43% of histopathologic analyses could detect HPV infection (subtype 6 or 11). CONCLUSIONS: More males than females suffer from respiratory papillomatosis; age of onset was either in childhood or in mid-life. Use of CO2-laser or microdebrider was the preferred surgical approach in this cohort. FUNDING: none. TRIAL REGISTRATION: not relevant. PMID- 29206095 TI - Indications and complications in relation to removal of clavicle implants. AB - INTRODUCTION: Implant-related discomfort (soft-tissue irritation, pain and cosmetics) is often seen in patients with surgically treated clavicle fracture. The aim of this study was to investigate indications, complications, functionality and patient satisfaction following implant removal of surgically treated clavicle fractures. METHODS: A total of 97 patients (73 males, mean age 43 years) had a clavicle plate removed at our department between 2007 and 2014. A purpose-made questionnaire was used to assess self-perception of cause of implant removal, remission, complications and overall satisfaction. Functionality was assessed using the Quick DASH score. RESULTS: Two patients died before follow-up and were excluded. Five different indications for implant removal were found. A total of 65/95 of the patients answered the purpose-made questionnaire; 50/65 reported satisfaction and 14/65 had a complication following the removal of their implant. The mean QuickDASH score was 7 (range: 0-91). Only 18/36 of those with pain and soft tissue irritation due to a clavicle plate had complete remission after implant removal. CONCLUSIONS: The indications for clavicle plate removal are many and mainly subjective. Implant removal in patients following surgically treated clavicle fractures generally causes very few complications, and most patients seem to experience a positive effect. However, it is important to inform the patient of the risk of no remission or even a worsening, which is not an uncommon occurrence. FUNDING: none. TRIAL REGISTRATION: not relevant. PMID- 29206096 TI - Danish translation of the Foot and Ankle Outcome Score. AB - INTRODUCTION: The Foot and Ankle Outcome Score (FOAS) is a standardized instrument used to report on injury-specific clinical status following foot- and ankle-related problems. The primary aim of this study was to translate and conduct a cross-cultural adaptation of the FAOS into a Danish setting, including testing absolute agreement and the test-retest reliability of the questionnaire. METHODS: Translation of the FAOS questionnaire was ?carried out according to the Principles of Good Practice for the Translation and Cultural Adaptation Process for Patient-?Reported Outcomes Measures: report of the Society for Pharmacoeconomics and Outcomes Research Task Force ?for Translation and Cultural Adaptation. RESULTS: No major disagreements were observed between the original and translated version of the FAOS questionnaire during the translation procedure and cognitive interview. A total of 51 patients were included in the reliability testing procedure. The test-retest reliability was high: pain interclass correlation coefficient (ICC) 0.88 (95% confidence interval (CI): 0.79-0.93), symptoms ICC 0.95 (95% CI: 0.91-0.97), activities of daily living ICC 0.95 (95% CI: 0.90-0.97), sport ICC 0.95 (95% CI: 0.90-0.97) and quality of life ICC 0.94 (95% CI: 0.90-0.97). The Bland-Altman plots showed good agreement between test and retest for all five subscales. CONCLUSIONS: The translation of the FAOS questionnaire into Danish was done in accordance with best practice and has excellent repeatability in patients treated for ankle fractures. FUNDING: none. TRIAL REGISTRATION: not relevant. PMID- 29206097 TI - A closed-claim analysis of complaints after paediatric antebrachial fractures. AB - INTRODUCTION: Antebrachial fractures in children (AFC) are common and account for one third of all paediatric fractures. The Danish Patient Compensation Association (PCA) receives complaints from patients who believe that they have sustained injuries due to potential malpractice or unfortunate circumstances. Case files on AFC from the PCA were assessed to identify causality and factors contributing to complaints and potential malpractice. METHODS: A closed-claim analysis was performed in 138 cases with the diagnosis codes DS52.2 through DS52.6. RESULTS: The most frequent complaints were fracture re-displacement (n = 49) and dissatisfaction with an otherwise correctly treated injury (n = 30). Doctor's delay due to missed primary diagnosis was found to be a median of 63 days. Complaints about surgery were almost equally distributed between K-wire and intramedullary nails, and unequally distributed for conservative treatment between splinting (n = 29) and casting (n = 10). Two thirds of the in-juries were unacknowledged and evaluated as light injuries or no injury. One third of the complaints were acknowledged; the majority of which were both-bone fractures. CONCLUSIONS: Two thirds of all complaints were due to normal fracture sequelae; thus, patient anticipation should be accommodated by thorough patient information. Mid-diaphyseal fractures of the forearm are overrepresented among the acknowledged complaints. Casting seems to be preferred to splinting. However, more awareness of these fractures using routinely performed radiographs at the first visit to the emergency room and at follow-up could avoid complaints as well as doctor's delay. FUNDING: none. ?TRIAL REGISTRATION: not relevant. PMID- 29206098 TI - Monoclonal B-cell lymphocytosis; not the same as B-cell chronic lymphocytic leukaemia. AB - INTRODUCTION: Depending on the location and the extent of disease, mature B-cell disorders can be divided into ?benign monoclonal B-cell lymphocytosis (MBL), chronic ?lymphocytic leukaemia (CLL) and small lymphocytic lymphoma (SLL). Whereas SLL is characterised by its location outside the blood stream, MBL is distinguished from CLL by a monoclonal B-cell count below 5 * 109/l. Due to its low tendency to transform into CLL, correct diagnosis of MBL is essential. We hypothesised that this might not always be the case. METHODS: This study includes data on monoclonal B-lymphocyte count based on diagnostic flow cytometry from patients diagnosed in the period from 1 January 2011 to 31 December 2016 at the Department of Haematology, Aarhus University Hospital, Denmark. A total of 69 patients had less than 5 * 109/l monoclonal B-cells with a CLL-like ?immunophenotype in peripheral blood. All cases were classified based on the 2008 WHO criteria and evaluated according to the clinical diagnosis of CLL, MBL or SLL in the medical records. A total of 24 of the 69 patients were classified as MBL. RESULTS: In the study cohort, 12 (50%) patients classified as MBL were diagnosed accurately with MBL, whereas nine (38%) were diagnosed with CLL. CONCLUSIONS: The findings of this study indicate that a sizeable fraction of MBL patients are diagnosed inaccurately with CLL, even after the introduction of the MBL diagnosis. FUNDING: The Danish Cancer Society. TRIAL REGISTRATION: not relevant. PMID- 29206099 TI - Implementation of evidence-based knowledge in general practice. AB - BackgroundKeeping up with the evidence and implementing it into the daily care for patients are fundamental prerequisites for delivering a high quality of care in general practice. However, despite many years of research into dissemination and implementation of evidence-based recommendations, significant challenges remain. In recent years, organisational factors have become widely acknowledged as vitally important for ensuring successful implementation. Further knowledge is needed to understand more about which factors affect the seeking and implementation of evidence-based knowledge in general practice. AimThe overall aim was to investigate how evidence-based knowledge is sought and implemented in general practice and to analyse associations with GP characteristics and quality of care. Three separate studies, each covering a specific part of the overall aim, were undertaken: I. To examine how GPs implement clinical practice guidelines in everyday clinical practice, and how implementation approaches differ between practices.II. To assess GPs' information seeking behaviour with regard to the use and perceived importance of scientific medical information sources and to investigate associations with GP characteristics.III. To investigate if there are associations between specific formalised implementation activities within general practice and quality of care - exemplified by the use of spirometry testing among first-time users of medication against obstructive lung diseases. MethodsThe study was designed as a mixed methods study combining qualitative interviews, questionnaire and register data. Study I was a qualitative interview study that involved purposefully selected GPs representing seven different practices. The interviews were analysed using systematic text condensation, and results were used to qualify the development of a national survey of general practitioners regarding their seeking and implementation of evidence-based knowledge. This survey was distributed on December 4th to all GPs in Denmark who at the time had an email address registered at the Danish Organisation of GPs (N = 3,440). Study II was a cross-sectional study based on the survey data. In study III, while also applying a cross-sectional design, data on quality of care from national registers were linked to data from the survey. Spirometry testing among patients redeeming a first-time prescription for medication targeted obstructive lung diseases (R03 medication) was used as an example of an evidence-based recommendation, and thereby as a proxy for quality of care.ResultsStudy I: The analysis of the semi-structured individual interviews revealed that approaches to implementation of clinical guidelines differed substantially between practices. Overall, three different approaches were identified, depending on the degree to which implementation was collectively and formally organised. In some practices, the GPs prioritised time and resources for collective implementation activities and organized their everyday practice to support these activities. In other practices, GPs discussed guidelines collectively, but left the application up to the individual GP whilst others saw no need for discussion or collective activities depending entirely on the individual GP's decision on whether and how to manage implementation. The GPs' attitudes to consistency in patient care appeared to be closely related to their approach to implementation. Study II: A total of 1,580 (46.4%) GPs responded to the questionnaire. Results showed that GPs' information-seeking behaviour is associated with gender, age and practice form. Single-handed GPs use their colleagues as an information source significantly less than GPs working in partnership practices, and they do not use other sources more frequently. Compared with their younger colleagues, GPs aged over 44 years are less likely to seek information from colleagues, guidelines and websites, but more likely to seek information from medical journals. Male and female GPs seek information equally frequently. However, whereas male GPs are more likely than female GPs to find that pharmaceutical sales representative and non-refundable CME meetings are important sources in keeping medically updated, they are less likely to find that colleagues, refundable CME meetings, guidelines and drug information websites are important.Study III: GPs from 1,114 practices (58%) responded to the questionnaire, and 33,788 patients were linked to a responding practice. In partnership practices, compared with less frequent or no meetings, weekly interdisciplinary and weekly GP meetings were significantly associated with higher quality of care measured by patients' OR of having spirometry performed. Furthermore, the development of practice protocols and standard recordings in the EMR in a range of disease areas, compared with only a few areas or none at all, were significantly associated with quality of care. The effect of formalised implementation activities was not as evident in single-handed practices as in partnerships.ConclusionThe results show how GP characteristics could be taken into consideration when disseminating scientific medical information to better ensure that patients are provided with medically updated, high-quality care. Further, the study demonstrates the variation in approaches to implementation of evidence-based knowledge in general practices. This variation should be taken into consideration when developing quality improvement initiatives or interventions. Thus, knowledge of which approaches are used in specific practice settings could prove essential when deciding where to put the focus and support. Finally, the study indicates that important factors to be considered in that respect are the presence of formalised implementation activities in the practices as some degree of formalisation appears to contribute to sustaining a high quality of care by supporting implementation of evidence-based recommendations. PMID- 29206100 TI - Asthma and Pregnancy: Possible to prevent complications?- With Special reference to the impact of obesity and type of airwayinflammation AB - Background Asthma is a serious global health issue and the most prevalent chronic disorder among Danish pregnant women. Exacerbations of asthma during pregnancy have been associated with increased risk of adverse pregnancy and perinatal outcomes, and by that making asthma a potential serious medical condition during pregnancy. Monitoring of asthma every four to six weeks is recommended during pregnancy, although evidence is lacking that following this recommendation will improve pregnancy outcome and, not least, be beneficial for all pregnant women with asthma.Aim The overall aim of the present thesis was to gain more knowledge of the interaction between asthma and pregnancy. The specific research questions were to identify pregnancies with low risk of an exacerbation during pregnancy, to identify risk factors for an exacerbation during pregnancy, and to compare the adverse pregnancy and perinatal outcomes in women without asthma and women with asthma monitored closely as recommended during pregnancy. Methods In study I and II, determinants of pregnancies with low risk of an exacerbation and maternal pregnancy-related risk factors for an exacerbations were investigated in a large prospective cohort study with 1.283 women with asthma. The Management of Asthma during Pregnancy (MAP) was initiated in 2007, and all pregnant women referred to Hvidovre Hospital have since then received an invitation to participate. Women were followed-up every four weeks with assessment of asthma control and adjustment of medication if necessary. In study III, the potential differences in airway hyperresponsiveness and airway inflammation, in participants (n=50) from the MAP cohort, were investigated in a post-partum examination. In study IV, the effect of maternal asthma on obstetrical and perinatal outcomes was investigated in a large case-control study, with 938 cases i.e. women with asthma from the MAP cohort, and 2.778 controls i.e. women without asthma.Results No history of pre pregnancy exacerbations, no prescribed controller medication, and clinically stable asthma at the first visit was determinants of pregnancies with a low risk of an asthma exacerbation during pregnancy (study I). Excessive gestational weight gain (GWG) in first trimester was associated with increased risk of an asthma exacerbation during pregnancy; furthermore, the impact of GWG was dose dependent (Study II). In study III, women experiencing an asthma exacerbation during pregnancy had more pronounced airway hyperresponsiveness and were more often non-atopic. Finally, in study IV, the overall risk of adverse obstetrical and perinatal outcomes in women with asthma monitored closely during pregnancy was low. Conclusion Women with no history of pre-pregnancy exacerbations, no prescribed controller medication, and clinically stable asthma at the first visit have a very low risk of an exacerbation. Furthermore, excessive GWG, airway hyperresponsiveness and being non-atopic are risk factors for exacerbations of asthma during pregnancy. However, the overall risk of adverse obstetrical and perinatal outcomes in women with actively managed asthma during pregnancy is comparable to women without asthma PMID- 29206101 TI - Serotonin enhances excitability and gamma frequency temporal integration in mouse prefrontal fast-spiking interneurons. AB - The medial prefrontal cortex plays a key role in higher order cognitive functions like decision making and social cognition. These complex behaviors emerge from the coordinated firing of prefrontal neurons. Fast-spiking interneurons (FSIs) control the timing of excitatory neuron firing via somatic inhibition and generate gamma (30-100 Hz) oscillations. Therefore, factors that regulate how FSIs respond to gamma-frequency input could affect both prefrontal circuit activity and behavior. Here, we show that serotonin (5HT), which is known to regulate gamma power, acts via 5HT2A receptors to suppress an inward-rectifying potassium conductance in FSIs. This leads to depolarization, increased input resistance, enhanced spiking, and slowed decay of excitatory post-synaptic potentials (EPSPs). Notably, we found that slowed EPSP decay preferentially enhanced temporal summation and firing elicited by gamma frequency inputs. These findings show how changes in passive membrane properties can affect not only neuronal excitability but also the temporal filtering of synaptic inputs. PMID- 29206102 TI - eIF1A residues implicated in cancer stabilize translation preinitiation complexes and favor suboptimal initiation sites in yeast. AB - The translation pre-initiation complex (PIC) scans the mRNA for an AUG codon in favorable context, and AUG recognition stabilizes a closed PIC conformation. The unstructured N-terminal tail (NTT) of yeast eIF1A deploys five basic residues to contact tRNAi, mRNA, or 18S rRNA exclusively in the closed state. Interestingly, EIF1AX mutations altering the human eIF1A NTT are associated with uveal melanoma (UM). We found that substituting all five basic residues, and seven UM-associated substitutions, in yeast eIF1A suppresses initiation at near-cognate UUG codons and AUGs in poor context. Ribosome profiling of NTT substitution R13P reveals heightened discrimination against unfavorable AUG context genome-wide. Both R13P and K16D substitutions destabilize the closed complex at UUG codons in reconstituted PICs. Thus, electrostatic interactions involving the eIF1A NTT stabilize the closed conformation and promote utilization of suboptimal start codons. We predict UM-associated mutations alter human gene expression by increasing discrimination against poor initiation sites. PMID- 29206103 TI - A population of innate myelolymphoblastoid effector cell expanded by inactivation of mTOR complex 1 in mice. AB - Adaptive autoimmunity is restrained by controlling population sizes and pathogenicity of harmful clones, while innate destruction is controlled at effector phase. We report here that deletion of Rptor in mouse hematopoietic stem/progenitor cells causes self-destructive innate immunity by massively increasing the population of previously uncharacterized innate myelolymphoblastoid effector cells (IMLECs). Mouse IMLECs are CD3-B220-NK1.1 Ter119- CD11clow/-CD115-F4/80low/-Gr-1- CD11b+, but surprisingly express high levels of PD-L1. Although they morphologically resemble lymphocytes and actively produce transcripts from Immunoglobulin loci, IMLECs have non-rearranged Ig loci, are phenotypically distinguishable from all known lymphocytes, and have a gene signature that bridges lymphoid and myeloid leukocytes. Rptor deletion unleashes differentiation of IMLECs from common myeloid progenitor cells by reducing expression of Myb. Importantly, IMLECs broadly overexpress pattern-recognition receptors and their expansion causes systemic inflammation in response to Toll like receptor ligands in mice. Our data unveil a novel leukocyte population and an unrecognized role of Raptor/mTORC1 in innate immune tolerance. PMID- 29206106 TI - Effect of chain stiffness on the structure of single-chain polymer nanoparticles. AB - Polymeric single-chain nanoparticles (SCNPs) are soft nano-objects synthesized by purely intramolecular cross-linking of single polymer chains. By means of computer simulations, we investigate the conformational properties of SCNPs as a function of the bending stiffness of their linear polymer precursors. We investigate a broad range of characteristic ratios from the fully flexible case to those typical of bulky synthetic polymers. Increasing stiffness hinders bonding of groups separated by short contour distances and increases looping over longer distances, leading to more compact nanoparticles with a structure of highly interconnected loops. This feature is reflected in a crossover in the scaling behaviour of several structural observables. The scaling exponents change from those characteristic for Gaussian chains or rings in theta-solvents in the fully flexible limit, to values resembling fractal or 'crumpled' globular behaviour for very stiff SCNPs. We characterize domains in the SCNPs. These are weakly deformable regions that can be seen as disordered analogues of domains in disordered proteins. Increasing stiffness leads to bigger and less deformable domains. Surprisingly, the scaling behaviour of the domains is in all cases similar to that of Gaussian chains or rings, irrespective of the stiffness and degree of cross-linking. It is the spatial arrangement of the domains which determines the global structure of the SCNP (sparse Gaussian-like object or crumpled globule). Since intramolecular stiffness can be varied through the specific chemistry of the precursor or by introducing bulky side groups in its backbone, our results propose a new strategy to tune the global structure of SCNPs. PMID- 29206107 TI - Statistical thermodynamics and magnetic moments of Landau quantized group VI dichalcogenides. AB - This work is focused on the determination of the Helmholtz free energy and the magnetic moments of the 'Dirac-like' group VI dichalcogenides subject to Landau quantization. We employ a technique described by Wilson to relate the free energy to the Green's function for the dichalcogenides in a high magnetic field, which was recently evaluated explicitly in terms of elementary functions. In the course of this analysis, the partition function is determined as a function of the magnetic field as well. The results exhibit the role of the quantizing magnetic field in the Helmholtz free energy at arbitrary temperature, and they are also employed to obtain the magnetic moments of the dichalcogenides. Explicit analytic formulas characteristic of de Haas-van Alphen oscillatory phenomenology are presented in the degenerate limit, and nondegenerate Landau quantization effects are also presented for the dichalcogenide magnetic moments. PMID- 29206105 TI - Conformational dynamics in TRPV1 channels reported by an encoded coumarin amino acid. AB - TRPV1 channels support the detection of noxious and nociceptive input. Currently available functional and structural data suggest that TRPV1 channels have two gates within their permeation pathway: one formed by a 'bundle-crossing' at the intracellular entrance and a second constriction at the selectivity filter. To describe conformational changes associated with channel gating, the fluorescent non-canonical amino acid coumarin-tyrosine was genetically encoded at Y671, a residue proximal to the selectivity filter. Total internal reflection fluorescence microscopy was performed to image the conformational dynamics of the channels in live cells. Photon counts and optical fluctuations from coumarin encoded within TRPV1 tetramers correlates with channel activation by capsaicin, providing an optical marker of conformational dynamics at the selectivity filter. In agreement with the fluorescence data, molecular dynamics simulations display alternating solvent exposure of Y671 in the closed and open states. Overall, the data point to a dynamic selectivity filter that may serve as a gate for permeation. PMID- 29206108 TI - Fabrication and characterisation of ligand-functionalised ultrapure monodispersed metal nanoparticle nanoassemblies employing advanced gas deposition technique. AB - Here, we report for the first time the fabrication of ligand-functionalised ultrapure monodispersed metal nanoparticles (Au, Cu, and Pt) from their pure metal precursors using the advanced gas deposition technique. The experimental conditions during nanoparticle formation were adjusted in order to obtain ultrafine isolated nanoparticles on different substrates. The morphology and surface analysis of the as-deposited metal nanoparticles were investigated using scanning electron microscopy, x-ray diffraction and Fourier transform infra-red spectroscopy, which demonstrated the formation of highly ordered pure crystalline nanoparticles with a relatively uniform size distribution of ~10 nm (Au), ~4 nm (Cu) and ~3 nm (Pt), respectively. A broad range of organic ligands containing thiol or amine functional groups were attached to the nanoparticles to form continuous networks of nanoparticle-ligand nanoassemblies, which were characterised by scanning electron microscopy and x-ray photoelectron spectroscopy. The electrical resistance of the functional nanoassemblies deposited in the gap spacing of two microfabricated parallel Au electrodes patterned on silicon substrates ranged between tens of kOmega and tens of MOmega, which is suitable for use in many applications including (bio)chemical sensors, surface-enhanced Raman spectroscopy and molecular electronic rectifiers. PMID- 29206109 TI - Methodological considerations in the calculation of the rate of force development scaling factor. AB - OBJECTIVE: Within this methodological study, we aimed to explore the effects of seven different commonly applied routines for rate of force development (RFD) calculation on the calculation of rate of force development scaling factor (RFD SF) and r 2 and the between session reliability of RFD-SF in three different muscle groups. APPROACH: We tested grip force muscles, elbow extensors and knee extensors of 13 healthy subjects asking them to produce around 120 rapid isometric force pulses per muscle to varying submaximal amplitudes. Then, we applied different filtering and analysis procedures, such as different filtering cut-off frequencies (no filter, 5 Hz cut-off, 10 Hz cut-off) and time windows during which RFD was calculated (0-50 ms, 0-75 ms, 0-100 ms and time from onset of contraction to peak force (PF) value). RFD-SF and r 2 were obtained from the relationship between the PF and the corresponding RFD. RESULTS: Our results showed that the magnitude of the calculated RFD-SF and r 2 values significantly differed among different RFD calculation methods (p < 0.0005), but that r 2 was high in most applied methods (RFD-SF ranged between 4.6 and 17.7, while r 2 ranged between 0.63 and 0.98). Regardless of the tested muscle group and applied method to calculate RFD, the reliability of the calculated RFD-SF was moderate (0.5 < ICC3,1 < 0.75) to good (ICC3,1 > 0.75). The highest r 2, highest ICC, lowest SEM% and MDD% were observed in case of RFD calculated during first 100 ms and when cut-off filter at 5 Hz was applied, indicating those two methods as the most appropriate ones. SIGNIFICANCE: Our study contributes to the establishment of methodological suggestions that will help in maximizing the reliability of RFD-SF measurements, collecting normative data, and comparing results among different populations and lab settings. PMID- 29206110 TI - Pressure-induced metallization in layered ReSe2. AB - The evolution of crystal structure and electrical transport properties of distorted layered transition metal dichalcogenide ReSe2 was studied under high pressure up to ? 90 GPa by Raman spectroscopy and electrical resistivity measurements accompanied by ab initio electronic band structure calculations. Raman spectroscopy studies indicate isostructural phase transition due to layer sliding at ~ 7 GPa to the distorted 1T-phase which remains stable up to the highest in these experiments pressures. Direct band gap semiconductor at ambient conditions, ReSe2 undergoes pressure-induced metallization at pressure ~ 35 GPa in agreement with ab initio calculations. Resistivity measurements performed at different loading conditions reveal possible emergence of superconductivity which is most likely not intrinsic property of ReSe2 but it is rather conditioned by internal stresses upon compression. PMID- 29206111 TI - Optical proximity correction (OPC) in near-field lithography with pixel-based field sectioning time modulation. AB - Subwavelength features have been successfully demonstrated in near-field lithography. In this study, the point spread function (PSF) of a near-field beam spot from a plasmonic ridge nanoaperture is discussed with regard to the complex decaying characteristic of a non-propagating wave and the asymmetry of the field distribution for pattern design. We relaxed the shape complexity of the field distribution with pixel-based optical proximity correction (OPC) for simplifying the pattern image distortion. To enhance the pattern fidelity for a variety of arbitrary patterns, field-sectioning structures are formulated via convolutions with a time-modulation function and a transient PSF along the near-field dominant direction. The sharpness of corners and edges, and line shortening can be improved by modifying the original target pattern shape using the proposed approach by considering both the pattern geometry and directionality of the field decay for OPC in near-field lithography. PMID- 29206104 TI - The Human Cell Atlas. AB - The recent advent of methods for high-throughput single-cell molecular profiling has catalyzed a growing sense in the scientific community that the time is ripe to complete the 150-year-old effort to identify all cell types in the human body. The Human Cell Atlas Project is an international collaborative effort that aims to define all human cell types in terms of distinctive molecular profiles (such as gene expression profiles) and to connect this information with classical cellular descriptions (such as location and morphology). An open comprehensive reference map of the molecular state of cells in healthy human tissues would propel the systematic study of physiological states, developmental trajectories, regulatory circuitry and interactions of cells, and also provide a framework for understanding cellular dysregulation in human disease. Here we describe the idea, its potential utility, early proofs-of-concept, and some design considerations for the Human Cell Atlas, including a commitment to open data, code, and community. PMID- 29206113 TI - Design, synthesis and crystallographic study of novel indole-based cyano derivatives as key building blocks for heteropolycyclic compounds of major complexity. AB - A four-stage reaction sequence has been designed and developed for the synthesis of highly functionalized enolate esters as key building blocks for the synthesis of novel heteropolycyclic compounds of potential pharmaceutical value. The sequence starts with simple commercially available indoles and proceeds via 3 (indol-3-yl)-3-oxopropanenitriles, which react with 2-bromobenzaldehyde to form the corresponding chalcones; these are readily reduced to dihydrochalcones, which are in turn acylated to form the enolate esters. The compounds in this sequence have been characterized by IR and 1H and 13C NMR spectroscopy, by mass spectrometry and by elemental analysis. The molecular and supramolecular structures are reported for representative examples, namely (E)-3-(2-bromophenyl) 2-(1-methyl-1H-indole-3-carbonyl)acrylonitrile, C19H13BrN2O, (Ib), (2RS)-2-(2 bromobenzyl)-3-(1-methyl-1H-indol-3-yl)-3-oxopropanenitrile, C19H15BrN2O, (IIb), and (2RS)-3-(1-benzyl-1H-indol-3-yl)-2-(2-bromobenzyl)-3-oxopropanenitrile, C25H19BrN2O, (IIc), the latter two of which crystallize with Z' = 2, and (E)-1-(1 acetyl-1H-indol-3-yl)-3-(2-bromophenyl)-2-cyanoprop-1-en-1-yl acetate, C22H17BrN2O, (III), and (E)-1-(1-benzyl-1H-indol-3-yl)-3-(2-bromophenyl)-2 cyanoprop-1-en-1-yl benzoate, C32H23BrN2O, (IV). The structure of the related chalcone (E)-2-benzoyl-3-(2-bromophenyl)prop-2-enenitrile, (V), has been redetermined at 100 K, where it is monoclinic, as opposed to the triclinic form reported at ambient temperature. PMID- 29206112 TI - Richard E. Marsh (1922-2017). PMID- 29206114 TI - A new copper(II) coordination polymer containing chains of interconnected paddle wheel antiferromagnetic clusters. AB - The construction of supramolecular architectures based on inorganic-organic coordination frameworks with weak noncovalent interactions has implications for the rational design of functional materials. A new crystalline binuclear copper(II) one-dimensional polymeric chain, namely catena-poly[[[tetrakis(MU-4 azaniumylbutanoato-kappa2O:O')dicopper(II)(Cu-Cu)]-MU-chlorido [diaquadichloridocopper(II)]-MU-chlorido] bis(perchlorate)], {[Cu3Cl4(C4H9NO2)4(H2O)2](ClO4)2}n, was obtained by the reaction of 4 aminobutyric acid (GABA) with CuCl2.2H2O in aqueous solution. The structure was established by single-crystal X-ray diffraction and was also characterized by IR spectroscopy and magnetic measurements. The crystal structure consists of [{Cu2(GABA)4}{CuCl4(H2O)2}]+ cations and isolated perchlorate anions. Two symmetry-related CuII centres are bridged via carboxylate O atoms into a classical paddle-wheel configuration, with a Cu...Cu distance of 2.643 (1) A, while bridging Cl atoms complete the square-pyramidal geometry of the metal atoms. The Cl atoms connect the paddlewheel moieties to a second CuII atom lying on an octahedral site, resulting in infinite helical chains along the c axis. The packing motif exhibits channels containing free perchlorate anions. The crystal structure is stabilized by hydrogen bonds between the perchlorate anions, the coordinated water molecules and the ammonium groups of the polymeric chains. The magnetic analysis of the title compound indicates a nontrivial antiferromagnetic behaviour arising from alternating weak-strong antiferromagnetic coupling between neighbouring CuII centres. PMID- 29206115 TI - Role of halogen-halogen contacts in the crystal structures of three new solvates of the drug oxyclozanide. AB - Halogen-halogen contacts are electrostatic in nature and exhibit directionality similar to hydrogen bonds. Oxyclozanide [systematic name: 2,3,5-trichloro-N-(3,5 dichloro-2-hydroxyphenyl)-6-hydroxybenzamide] is a drug used for the treatment of fascioliasis in domestic animals. The molecule carries five chlorine substituents and represents an ideal candidate for the study of halogen bonds in the crystal. Three new crystalline solvates of oxyclozanide, namely, oxyclozanide benzene hemisolvate, C13H6Cl5NO3.0.5C6H6, (I), oxyclozanide xylene hemisolvate, C13H6Cl5NO3.0.5C8H10, (II), and oxyclozanide toluene hemisolvate, C13H6Cl5NO3.0.5C7H8, (III), were structurally characterized. In this context, the crystal structure of oxyclozanide chlorobenzene hemisolvate, C13H6Cl5NO3.0.5C6H5Cl, (IV), was redetermined based on intensity data collected at 100 K. In all four solvates, the cocrystallized solvent molecules are located on crystallographic inversion centres. Solvates (I)-(IV) exhibit similar one dimensional hydrogen-bonded chains generated by O-H...O, O-H...Cl and Cl...Cl interactions. The extension of these one-dimensional chains into two-dimensional layers is promoted by Cl...Cl and C-H...pi contacts. Solvates (III) and (IV) are isostructural and differ from (I) and (II) with respect to subtle details concerning the intermolecular contacts. PMID- 29206116 TI - New pharmaceutical salts containing pyridoxine. AB - Two mixed crystals were obtained by crystallizing the active pharmaceutical ingredient pyridoxine [systematic name: 4,5-bis(hydroxymethyl)-2-methylpyridin-3 ol, PN] with (E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoic acid (ferulic acid) and 4-hydroxy-3,5-dimethoxybenzoic acid (syringic acid). PN and the coformers crystallize in the form of pharmaceutical salts in a 1:1 stoichiometric ratio, namely 3-hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridin-1-ium (E)-3-(4-hydroxy-3 methoxyphenyl)prop-2-enoate, C8H12NO3+.C9H9O5-, and 3-hydroxy-4,5 bis(hydroxymethyl)-2-methylpyridin-1-ium 4-hydroxy-3,5-dimethoxybenzoate monohydrate, C8H12NO3+.C10H11O5-.H2O, the proton exchange between PN and the acidic partner being supported by the differences of the pKa values of the two components and by the C-O bond lengths of the carboxylate groups. Besides complex hydrogen-bonding networks, pi-pi interactions between aromatic moieties have been found to be important for the packing architecture in both crystals. Hirshfeld surface analysis was used to explore the intermolecular interactions in detail and compare them with the interactions found in similar pyridoxine/carboxylic acid salts. PMID- 29206117 TI - Synthesis, crystal structures and properties of the new compounds K7-xAg1+x(XO4)4 (X = Mo, W). AB - Two new isostructural compounds, namely heptapotassium silver tetrakis(tetraoxomolybdate), K7-xAg1+x(MoO4)4 (0 <= x <= 0.4), and heptapotassium silver tetrakis(tetraoxotungstate), K7-xAg1+x(WO4)4 (0 <= x <= 0.4), have been synthesized and found to crystallize in the polar space group P63mc (Z = 2) with the unit-cell dimensions a = 12.4188 (2) and c = 7.4338 (2) A for K6.68Ag1.32(MoO4)4 (single-crystal data), and a = 12.4912 (5) and c = 7.4526 (3) A for K7Ag(WO4)4 (Rietveld analysis data). Both structures represent a new structure type, with characteristic [K1(XO4)6] 'pinwheels' of K1O6 octahedra and six XO4 tetrahedra (X = Mo, W) connected by common opposite faces into columns along the c axes. The octahedral columns are linked to each other through Ag1O4 tetrahedra along with the K2 and K3/Ag2 polyhedra, forming the polar rods (...Ag1O4-X1O4-empty octahedron-Ag1O4...). Ag1 is located almost at the centre of the largest face of its coordination tetrahedron and seems to have some mobility. The new structure type is related to the Ba6Nd2Al4O15 and CaBaSiO4 types, and to other structures of the alpha-K2SO4-glaserite family. The differential scanning calorimetry (DSC) and second harmonic generation (SHG) results show that both compounds undergo first-order phase transformations to high-temperature centrosymmetric phases. PMID- 29206118 TI - Structural and computational analysis of intermolecular interactions in a new 2 thiouracil polymorph. AB - The crystallization and characterization of a new polymorph of 2-thiouracil by single-crystal X-ray diffraction, Hirshfeld surface analysis and periodic density functional theory (DFT) calculations are described. The previously published polymorph (A) crystallizes in the triclinic space group P?overline{1}, while that described herein (B) crystallizes in the monoclinic space group P21/c. Periodic DFT calculations showed that the energies of polymorphs A and B, compared to the gas-phase geometry, were -108.8 and -29.4 kJ mol-1, respectively. The two polymorphs have different intermolecular contacts that were analyzed and are discussed in detail. Significant differences in the molecular structure were found only in the bond lengths and angles involving heteroatoms that are involved in hydrogen bonds. Decomposition of the Hirshfeld fingerprint plots revealed that O...H and S...H contacts cover over 50% of the noncovalent contacts in both of the polymorphs; however, they are quite different in strength. Hydrogen bonds of the N-H...O and N-H...S types were found in polymorph A, whereas in polymorph B, only those of the N-H...O type are present, resulting in a different packing in the unit cell. QTAIM (quantum theory of atoms in molecules) computational analysis showed that the interaction energies for these weak-to-medium strength hydrogen bonds with a noncovalent or mixed interaction character were estimated to fall within the ranges 5.4-10.2 and 4.9-9.2 kJ mol-1 for polymorphs A and B, respectively. Also, the NCI (noncovalent interaction) plots revealed weak stacking interactions. The interaction energies for these interactions were in the ranges 3.5-4.1 and 3.1-5.5 kJ mol-1 for polymorphs A and B, respectively, as shown by QTAIM analysis. PMID- 29206119 TI - Preparation and characterization of two new CuII supramolecular coordination polymers incorporating sulfobenzoate and flexible heterocyclic ligands. AB - The assembly of CuII with the multifunctional ligand 2-amino-4-sulfobenzoic acid (H2asba) in the presence of the auxiliary flexible ligands 1,4-bis(triazol-1 ylmethyl)benzene (bbtz) and 1,4-bis(imidazol-1-ylmethyl)benzene (bix) under ambient conditions resulted in two new supramolecular coordination polymers, namely poly[[(3-amino-4-carboxybenzenesulfonato-kappaO)aquabis[MU2-1,4 bis(triazol-1-ylmethyl)benzene-kappa2N4:N4']copper(II)] 3-amino-4 carboxybenzenesulfonate tetrahydrate], {[Cu(C7H6NO5S)(C12H12N6)2(H2O)](C7H6NO5S).4H2O}n, (1), and poly[[bis(MU2-2-amino 4-sulfonatobenzoato-kappa3O1:N,O1')tetraaqua[MU2-1,4-bis(triazol-1 ylmethyl)benzene-kappa2N4:N4']dicopper(II)] tetrahydrate], {[Cu2(C7H5NO5S)2(C14H14N4)(H2O)4].4H2O}n, (2). Single-crystal X-ray structure diffraction analysis of (1) reveals that the bbtz ligand acts as a bridge, linking adjacent CuII ions into a two-dimensional cationic (4,4) topological network, in which the coordinated 3-amino-4-carboxybenzenesulfonate (Hasba-) anion uses its sulfonate group to bind with the CuII ion in a monodentate fashion and the carboxylate group remains protonated. The lattice Hasba- anion resides in the two-dimensional layer and balances the charge. The carboxylate group of the 2 amino-4-sulfonatobenzoate (asba2-) ligand in (2) is involved in bidentate coordination, connecting adjacent CuII ions into carboxylate-bridged chains which are further bridged by the auxiliary flexible bix ligand in a trans-gauche (TG) mode, resulting in the formation of a two-dimensional network architecture. The amino group of the asba2- ligand in (2) also takes part in the coordination with the central CuII ion. The six-coordinated CuII centres in (1) and (2) exhibit distorted octahedral coordination geometries. Extensive hydrogen bonding exists in both (1) and (2). The interlayer hydrogen bonds in both compounds further extend adjacent two-dimensional layers into three-dimensional supramolecular network architectures. Furthermore, a detailed analysis of the solid-state UV-Vis NIR (NIR is near IR) diffuse reflectance data indicates that (1) and (2) may have potential as wide band gap indirect semiconductor materials. Compounds (1) and (2) show reversible and irreversible dehydration-rehydration behaviours, respectively. PMID- 29206120 TI - Syntheses and crystal structures of two heterometallic iodoplumbates containing mixed-valence copper(I/II). AB - Mixed-valence copper(I/II) atoms have been introduced successfully into a Pb/I skeleton to obtain two heterometallic iodoplumbates, namely poly[bis(tetra-n butylammonium) [bis(MU3-dimethyldithiocarbamato)dodeca-MU3-iodido-hexa-MU2-iodido tetracopper(I)copper(II)hexalead(II)]], {(C16H36N)2[Cu4ICuIIPb6(C3H6NS2)2I18]}n, (I), and poly[[MU3-iodido-tri-MU2-iodido-iodido[bis(1,10 phenanthroline)copper(I)]copper(I)copper(II)lead(II)] hemiiodine], {[CuICuIIPbI5(C12H8N2)2].0.5I2}n, (II), under solution and solvothermal conditions, respectively. Compound (I) contains two-dimensional anionic layers, which are built upon the linkages of CuII(S2CNMe2)2 units and one-dimensional anionic Pb/I/CuI chains. Tetra-n-butylammonium cations are located between the anionic layers and connected to them via C-H...I hydrogen-bonding interactions. Compound (II) exhibits a one-dimensional neutral structure, which is composed of [PbI5] square pyramids, [CuII4] tetrahedra and [CuIIN4I] trigonal bipyramids. Face-to-face aromatic pi-pi stacking interactions between adjacent 1,10 phenanthroline ligands stabilize the structure and assemble compound (II) into a three-dimensional supramolecular structure. I2 molecules lie in the voids of the structure. PMID- 29206121 TI - The march of progress: structures of the adducts of potassium dicyanidoaurate(I) with 2,2'-bipyridyl (redetermination) and 1,10-phenanthroline. AB - The structure of the 2,2'-bipyridyl adduct poly[(MU2-2,2'-bipyridyl kappa3N,N':N)di-MU3-cyanido-kappa6C:N:N-gold(I)potassium(I)], [AuK(CN)2(C10H8N2)]n, (1) (space group P21), has been redetermined [previous determination: Jones et al. (1980). Acta Cryst. B36, 160-162]. The bipyridyl ligands coordinate only the potassium ion, which has a coordination sphere consisting of seven N-atom donors; gold(I) remains in the form of linear dicyanidoaurate(I) ions. The extended structure consists of layers in which the AuI atoms form chains parallel to the short a axis, with Au...Au contacts of 3.7286 (1) A, whereas the chains of potassium ions, which are also parallel to a, are bridged by bipyridyl and dicyanidoaurate residues. The analogous 1,10 phenanthroline adduct, namely poly[di-MU3-cyanido-kappa6C:N:N-(MU2-1,10 phenanthroline-kappa3N,N':N)gold(I)potassium(I)], [AuK(CN)2(C12H8N2)]n, (2), crystallizes as nonmerohedral twins in the space group C2/c. The packing is closely related to that of (1), but the chains are now parallel to the short b axis and the layers are parallel to (10?overline{1}). The two independent AuI atoms occupy special positions on inversion centres and twofold axes; the Au...Au contacts are 3.6771 (2) A. PMID- 29206122 TI - Synthesis of spiro[indoline-3,3'-pyrrolizines] by 1,3-dipolar reactions between isatins, L-proline and electron-deficient alkenes. AB - Two spiro[indoline-3,3'-pyrrolizine] derivatives have been synthesized in good yield with high regio- and stereospecificity using one-pot reactions between readily available starting materials, namely L-proline, substituted 1H-indole-2,3 diones and electron-deficient alkenes. The products have been fully characterized by elemental analysis, IR and NMR spectroscopy, mass spectrometry and crystal structure analysis. In (1'RS,2'RS,3SR,7a'SR)-2'-benzoyl-1-hexyl-2-oxo 1',2',5',6',7',7a'-hexahydrospiro[indoline-3,3'-pyrrolizine]-1'-carboxylic acid, C28H32N2O4, (I), the unsubstituted pyrrole ring and the reduced spiro-fused pyrrole ring adopt half-chair and envelope conformations, respectively, while in (1'RS,2'RS,3SR,7a'SR)-1',2'-bis(4-chlorobenzoyl)-5,7-dichloro-2-oxo 1',2',5',6',7',7a'-hexahydrospiro[indoline-3,3'-pyrrolizine], which crystallizes as a partial dichloromethane solvate, C28H20Cl4N2O3.0.981CH2Cl2, (II), where the solvent component is disordered over three sets of atomic sites, these two rings adopt envelope and half-chair conformations, respectively. Molecules of (I) are linked by an O-H....O hydrogen bond to form cyclic R66(48) hexamers of ?overline{3} (S6) symmetry, which are further linked by two C-H...O hydrogen bonds to form a three-dimensional framework structure. In compound (II), inversion-related pairs of N-H...O hydrogen bonds link the spiro[indoline-3,3' pyrrolizine] molecules into simple R22(8) dimers. PMID- 29206123 TI - Polymorphs of the antiviral drug ganciclovir. AB - Ganciclovir (GCV; systematic name: 2-amino-9-{[(1,3-dihydroxypropan-2 yl)oxy]methyl}-6,9-dihydro-1H-purin-6-one), C9H13N5O4, an antiviral drug for treating cytomegalovirus infections, has two known polymorphs (Forms I and II), but only the structure of the metastable Form II has been reported [Kawamura & Hirayama (2009). X-ray Struct. Anal. Online, 25, 51-52]. We describe a successful preparation of GCV Form I and its crystal structure. GCV is an achiral molecule in the sense that its individual conformers, which are generally chiral objects, undergo fast interconversion in the liquid state and cannot be isolated. In the crystalline state, GCV exists as two inversion-related conformers in Form I and as a single chiral conformer in Form II. This situation is similar to that observed for glycine, also an achiral molecule, whose alpha-polymorph contains two inversion-related conformers, while the gamma-polymorph contains a single conformer that is chiral. The hydrogen bonds are exclusively intermolecular in Form I, but both inter- and intramolecular in Form II, which accounts for the different molecular conformations in the two polymorphs. PMID- 29206124 TI - Crystallographic and computational study of a network composed of [ZnCl4]2- anions and triply protonated 4'-functionalized terpyridine cations. AB - We report herein the synthesis, crystallographic analysis and a study of the noncovalent interactions observed in the new 4'-substituted terpyridine-based derivative bis[4'-(isoquinolin-2-ium-4-yl)-2,2':6',2''-terpyridine-1,1''-diium] tris[tetrachloridozincate(II)] monohydrate, (C24H19N4)2[ZnCl4]3.H2O or (ITPH3)2[ZnCl4]3.H2O, where (ITPH3)3+ is the triply protonated cation derived from 4'-(isoquinolin-4-yl)-2,2':6',2''-terpyridine (ITP) [Granifo et al. (2016). Acta Cryst. C72, 932-938]. The (ITPH3)3+ cation presents a number of interesting similarities and differences compared with its neutral ITP relative, mainly in the role fulfilled in the packing arrangement by the profuse set of D-H...A [D (donor) = C, N or O; A (acceptor) = O or Cl], pi-pi and anion...pi noncovalent interactions present. We discuss these interactions in two different complementary ways, viz. using a point-to-point approach in the light of Bader's theory of Atoms In Molecules (AIM), analyzing the individual significance of each interaction, and in a more 'global' analysis, making use of the Hirshfeld surfaces and the associated enrichment ratio (ER) approach, evaluating the surprisingly large co-operative effect of the superabundant weaker contacts. PMID- 29206125 TI - Dimerization of a mixed-carbene PdII dibromide complex by elemental iodine. AB - A monomeric PdII complex bearing a mixed carbocyclic/N-heterocyclic carbene ligand and two bromides was reacted with an excess of elemental iodine, which resulted in the surprising removal of one bromide ligand and dimerization of the mixed-carbene complex to form di-MU-bromido-bis{[1-(cyclohepta-2,4,6-trien-2-yl-1 ylidene-kappaC1)-3-(2,6-diisopropylphenyl)imidazol-2-ylidene]palladium(II)} bis(pentaiodide) dichloromethane monosolvate, [Pd2Br2(C22H24N2)2](I5)2.CH2Cl2. The dimeric complex features a slightly distorted square-planar core of two PdII centres bridged by two bromide ligands, which lie in the same plane as the seven- and five-membered rings of the bidentate carbene ligand. The counter-ions in the single crystal were found to be pentaiodide monoanions featuring their typical V shape, whereas for the bulk material, a mixture of Br/I interhalides is proposed. PMID- 29206126 TI - A combined crystallographic, thermal, Raman and computational study on polymorphism and phase transition in 1-(4-hexyloxy-3-hydroxyphenyl)ethanone. AB - The crystal structure of the triclinic polymorph of 1-(4-hexyloxy-3 hydroxyphenyl)ethanone, C14H20O3, differs markedly from that of the orthorhombic polymorph [Manzano et al. (2015). Acta Cryst. C71, 1022-1027]. The two molecular structures are alike with respect to their bond lengths and angles, but differ in their spatial arrangement. This gives rise to quite different packing schemes, even if built up by similar chains having the hydroxy-ethanone O-H...O hydrogen bond synthon in common. Both phases were found to be related by a first-order thermally driven phase transformation at 338-340 K, which is discussed in detail. The relative stabilities of both polymorphs are explained on the basis of both the noncovalent interactions operating in each structure and quantum chemical calculations. The polymorphic phase transition has also been studied experimentally by means of differential scanning calorimetry (DSC) experiments, conducted on individual single crystals, Raman spectroscopy and controlled heating under a microscope of individual single crystals, which were further characterized by powder and single-crystal X-ray diffraction. PMID- 29206127 TI - New fluorescent compounds based on zinc thiocyanate: influence of structure on spectral properties. AB - New coordination compounds based on zinc thiocyanate, namely (acetone thiosemicarbazone-kappa2N1,S)bis(isothiocyanato-kappaN)zinc(II) monohydrate, [Zn(NCS)2(C4H9N3S)].H2O, (I), and diaquatetrakis(urea-kappaO)zinc(II) tetrakis(isothiocyanato-kappaN)zinc(II), [Zn(CH4N2O)4(H2O)2][Zn(NCS)4], (II), were synthesized and studied by UV-Vis, fluorescence and IR spectroscopy. Coordination salt (II) forms a rare system composed of two different coordination units of the same metal and it is the first example of a compound with two completely different zinc coordination units, of which one contains a tetrakis(urea)zinc unit. Both (I) and (II) possess fluorescence properties and produce blue and green emissions, respectively, upon irradiation with violet light. The spectral properties were correlated with the observed molecular and supramolecular structures. The acetone thiosemicarbazone ligand of (I) exhibits (upon coordination) red shifts of bands corresponding to N=C and C=S stretching vibration frequencies, which is not typical for chelating molecules. PMID- 29206128 TI - Conformational study of (Z)-5-(4-chlorobenzylidene)-2-[4-(2 hydroxyethyl)piperazin-1-yl]-3H-imidazol-4(5H)-one in different environments: insight into the structural properties of bacterial efflux pump inhibitors. AB - The 2-amine derivatives of 5-arylidene-3H-imidazol-4(5H)-one are a new class of bacterial efflux pump inhibitors, the chemical compounds that are able to restore antibiotic efficacy against multidrug resistant bacteria. 5-Arylidene-3H-imidazol 4(5H)-ones with a piperazine ring at position 2 reverse the mechanisms of multidrug resistance (MDR) of the particularly dangerous Gram-negative bacteria E. coli by inhibition of the efflux pump AcrA/AcrB/TolC (a main multidrug resistance mechanism in Gram-negative bacteria, consisting of a membrane fusion protein, AcrA, a Resistant-Nodulation-Division protein, AcrB, and an outer membrane factor, TolC). In order to study the influence of the environment on the conformation of (Z)-5-(4-chlorobenzylidene)-2-[4-(2-hydroxyethyl)piperazin-1-yl] 3H-imidazol-4(5H)-one, (3), two different salts were prepared, namely with picolinic acid {systematic name: 4-[(Z)-4-(4-chlorobenzylidene)-5-oxo-3,4-dihydro 1H-imidazol-2-yl]-1-(2-hydroxyethyl)piperazin-1-ium pyridine-2-carboxylate, C16H20ClN4O2+.C6H4NO2-, (3a)} and 4-nitrophenylacetic acid {systematic name: 4 [(Z)-4-(4-chlorobenzylidene)-5-oxo-3,4-dihydro-1H-imidazol-2-yl]-1-(2 hydroxyethyl)piperazin-1-ium 2-(4-nitrophenyl)acetate, C16H20ClN4O2+.C8H6NO4-, (3b)}. The crystal structures of the new salts were determined by X-ray diffraction. In both crystal structures, the molecule of (3) is protonated at an N atom of the piperazine ring by proton transfer from the corresponding acid. The carboxylate group of picolinate engages in hydrogen bonds with three molecules of the cation of (3), whereas the carboxylate group of 4-nitrophenylacetate engages in hydrogen bonds with only two molecules of (3). As a consequence of these interactions, different orientations of the hydroxyethyl group of (3) are observed. The crystal structures are additionally stabilized by both C-H...N [in (3a)] and C-H...O [in (3a) and (3b)] intermolecular interactions. The geometry of the imidazolone fragment was compared with other crystal structures possessing this moiety. The tautomer observed in the crystal structures presented here, namely 3H-imidazol-4(5H)-one [systematic name: 1H-imidazol-5(4H)-one], is also that most frequently observed in other structures containing this heterocycle. PMID- 29206131 TI - Influence of Maternal Care on Behavioural Development of Domestic Dogs (Canis Familiaris) Living in a Home Environment. AB - Maternal care has been shown to affect the development of the brain, behaviour, social skills and emotional systems of the young of many mammalian species including dogs. The aim of the present study was to determine the effects of maternal care on the behavioural responses of family dog puppies towards environmental and social stimuli. In order to do this, maternal care (licking puppy's ano-genital area, licking the puppy, nursing and mother-puppy contact) during the first three weeks after birth was assessed in 12 litters of domestic dog puppies reared in home environments (total = 72 puppies). The behavioural responses of puppies were assessed in an arena and an isolation test, which were performed when the puppies were two-month old. Data were analysed using principal components analysis and projection to latent structures regression. A systematic relationship was found between maternal care and behaviour in both tests. In the arena test, maternal care was found to be positively associated with approach to the stranger, attention oriented to the stranger, time spent near the enclosure, yawning, whining and yelping (R2Y = 0.613, p = 8.2 * 10-9). Amount of maternal care was negatively associated with the number of squares crossed and the time spent individually playing with the rope. In the isolation test, the amount of maternal care was positively associated with standing posture, paw lifting, and howling, and it was negatively associated with yawning, lying down and nose licking (R2Y = 0.507, p = 0.000626). These results suggest that the amount of maternal care received during early life influences the pattern of behavioural responses and coping strategies of puppies at two-months of age. On the basis of these findings it could be speculated that early maternal care contributes to adaption to the environment in which family puppies are developing, with particular regard to social relationships with people. PMID- 29206132 TI - Effect of Grazing Behavior on Weight Regain Post-Bariatric Surgery: A Systematic Review. AB - Grazing, a type of maladaptive eating behavior, has been associated with poor weight outcomes in bariatric patients. The purpose of this study was to conduct a systematic review of the association between grazing behavior and weight regain post-bariatric surgery. Literature searches, study selection, design of the method, and quality appraisal were carried out by two independent authors. The search strategy was performed until October 2017 in Medline, Embase, Cochrane, Lilacs, Scopus, Web of Science, Google Scholar, ProQuest Dissertation & Theses, and Open Grey. Of a total of 3764 articles, five papers met the inclusion criteria (four original articles and one thesis), comprising 994 subjects, mostly women. The prevalence of grazing behavior ranged from 16.6 to 46.6%, and the highest prevalence of significant weight regain was 47%. The association between grazing and weight regain was observed in four of the five evaluated studies. Our findings support an association between grazing behavior and weight regain after bariatric surgery, regardless of surgery type and contextual concept of grazing. Further studies are needed to confirm the clarity of the real prevalence and interfering factors related to grazing behavior and weight outcomes. PMID- 29206133 TI - Gas Leak Detection by Dilution of Atmospheric Oxygen. AB - Gas leak detection is an important issue in infrastructure monitoring and industrial production. In this context, infrared (IR) absorption spectroscopy is a major measurement method. It can be applied in an extractive or remote detection scheme. Tunable laser spectroscopy (TLS) instruments are able to detect CH4 leaks with column densities below 10 ppm.m from a distance of 30 m in less than a second. However, leak detection of non-IR absorbing gases such as N2 is not possible in this manner. Due to the fact that any leaking gas displaces or dilutes the surrounding background gas, an indirect detection is still possible. It is shown by sensitive TLS measurements of the ambient background concentration of O2 that N2 leaks can be localized with extractive and standoff methods for distances below 1 m. Minimum leak rates of 0.1 mbar.L/s were determined. Flow simulations confirm that the leakage gas typically effuses in a narrow jet. The sensitivity is mainly determined by ambient flow conditions. Compared to TLS detection of CH4 at 1651 nm, the indirect method using O2 at 761 nm is experimentally found to be less sensitive by a factor of 100. However, the well established TLS of O2 may become a universal tool for rapid leakage screening of vessels that contain unknown or inexpensive gases, such as N2. PMID- 29206130 TI - The Contribution of Oxidative Stress and Inflamm-Aging in Human and Equine Asthma. AB - Aging is associated with a dysregulation of the immune system, leading to a general pro-inflammatory state of the organism, a process that has been named inflamm-aging. Oxidative stress has an important role in aging and in the regulation of immune responses, probably playing a role in the development of age related diseases. The respiratory system function physiologically declines with the advancement of age. In elderly asthmatic patients, this may contribute to disease expression. In this review, we will focus on age-related changes affecting the immune system and in respiratory structure and function that could contribute to asthma occurrence, and/or clinical presentation in the elderly. Also, naturally occurring equine asthma will be discussed as a possible model for studying the importance of oxidative stress and immun-aging/inflamm-aging in humans. PMID- 29206134 TI - Variable Isotopic Compositions of Host Plant Populations Preclude Assessment of Aphid Overwintering Sites. AB - Soybean aphid (Aphis glycines Matsumura) is a pest of soybean in the northern Midwest whose migratory patterns have been difficult to quantify. Improved knowledge of soybean aphid overwintering sites could facilitate the development of control efforts with exponential impacts on aphid densities on a regional scale. In this preliminary study, we explored the utility of variation in stable isotopes of carbon and nitrogen to distinguish soybean aphid overwintering origins. We compared variation in bulk 13C and 15N content in buckthorn (Rhamnus cathartica L.) and soybean aphids in Wisconsin, among known overwintering locations in the northern Midwest. Specifically, we looked for associations between buckthorn and environmental variables that could aid in identifying overwintering habitats. We detected significant evidence of correlation between the bulk 13C and 15N signals of soybean aphids and buckthorn, despite high variability in stable isotope composition within and among buckthorn plants. Further, the 15N signal in buckthorn varied predictably with soil composition. However, lack of sufficient differentiation of geographic areas along axes of isotopic and environmental variation appears to preclude the use of carbon and nitrogen isotopic signals as effective predictors of likely aphid overwintering sites. These preliminary data suggest the need for future work that can further account for variability in 13C and 15N within/among buckthorn plants, and that explores the utility of other stable isotopes in assessing likely aphid overwintering sites. PMID- 29206135 TI - Ethanol (E) Impairs Fetal Brain GSH Homeostasis by Inhibiting Excitatory Amino Acid Carrier 1 (EAAC1)-Mediated Cysteine Transport. AB - Central among the fetotoxic responses to in utero ethanol (E) exposure is redox shift related glutathione (GSH) loss and apoptosis. Previously, we reported that despite an E-generated Nrf2 upregulation, fetal neurons still succumb. In this study, we investigate if the compromised GSH results from an impaired inward transport of cysteine (Cys), a precursor of GSH in association with dysregulated excitatory amino acid carrier1 (EAAC1), a cysteine transporter. In utero binge model involves administration of isocaloric dextrose or 20% E (3.5 g/kg)/ by gavage at 12 h intervals to pregnant Sprague Dawley (SD) rats, starting gestation day (gd) 17 with a final dose on gd19, 2 h prior to sacrifice. Primary cerebral cortical neurons (PCNs) from embryonic day 16-17 fetal SD rats were the in vitro model. E reduced both PCN and cerebral cortical GSH and Cys up to 50% and the abridged GSH could be blocked by administration of N-acetylcysteine. E reduced EAAC1 protein expression in utero and in PCNs (p < 0.05). This was accompanied by a 60-70% decrease in neuron surface expression of EAAC1 along with significant reductions of EAAC1/Slc1a1 mRNA (p < 0.05). In PCNs, EAAC1 knockdown significantly decreased GSH but not oxidized glutathione (GSSG) illustrating that while not the sole provider of Cys, EAAC1 plays an important role in neuron GSH homeostasis. These studies strongly support the concept that in both E exposed intact fetal brain and cultured PCNs a mechanism underlying E impairment of GSH homeostasis is reduction of import of external Cys which is mediated by perturbations of EAAC1 expression/function. PMID- 29206137 TI - Analysis of Fresnel Zone Plates Focusing Dependence on Operating Frequency. AB - The focusing properties of Fresnel Zone Plates (FZPs) against frequency are analyzed in this work. It is shown that the FZP focal length depends almost linearly on the operating frequency. Focal depth and focal distortion are also considered, establishing a limit on the frequency span at which the operating frequency can be shifted. An underwater FZP ultrasound focusing system is demonstrated, and experimental results agree with the theoretical analysis and simulations. PMID- 29206136 TI - The Effects of Phytosterols Extracted from Diascorea alata on the Antioxidant Activity, Plasma Lipids, and Hematological Profiles in Taiwanese Menopausal Women. AB - The efficacy of phytosterols extracted from Diascorea alata on antioxidant activities, plasma lipids and hematological profiles was assessed in postmenopausal women. Gas chromatography and mass spectrophotometry was employed to determine the steroid content of Taiwanese yam (Diascorea alata cv. Tainung No. 2). A two-center, randomized, double-blind, placebo-controlled clinical investigation on 50 postmenopausal women randomly assigned to two groups treated for 12 months with placebo or two sachets daily of Diascorea extracts containing 12 mg/dose was carried out. The main outcome measures were the plasma antioxidant activities, hematological profiles, and the concentrations of plasma lipids, including cholesterol, triglyceride, low density lipoprotein, high density lipoprotein, very low density lipoprotein,, and apolipoprotein A1 and B. A one way analysis of covariance (ANCOVA) test was performed to investigate the significance. Beta-sitosterol, stigmasterol, 22-23-dihydro-, and gamma-sitosterol were major phytosterols determined from Diascorea extracts. At six months in those receiving Diascorea, there were significantly decreased leukocyte counts (p < 0.01) and improvement on antioxidant activity of malondialdehyde (p < 0.001). After 12 months' treatment, elevations of hematocrit and mean corpuscular volume (p < 0.01) were noted in those receiving Diascorea. Moreover, the low dose Diascorea consumption in menopausal women for one year generally did not present positive effects on lipid profiles. PMID- 29206138 TI - Intratubular Biomineralization in a Root Canal Filled with Calcium-Enriched Material over 8 Years. AB - This case report describes intratubular biomineralization in root canal, filled with calcium-enriched material after 8 years of clinical maintenance. The schematic findings of dentinal tubules were investigated with scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The root canal obturation material was closely adapted to root dentin surface, suggesting the possibility of chemical bonding between the two interfaces. SEM and EDS observation of dentinal tubules showed intratubular biomineralized crystal structures with Ca/P ratio in a range of 1.30-2.12, suggesting bioactive capacity of calcium-enriched material. PMID- 29206139 TI - Alkaline Materials and Regenerative Endodontics: A Review. AB - Periapical health is the primary goal of endodontic treatment in mature and immature teeth. In addition, the goals of treatment of immature teeth with arrested root development include root growth to length and maturation of the apex, as well as thickening of the canal wall. These goals are valid for immature teeth that have been subjected to trauma and dental caries or that are the result of developmental anomalies that expose the tooth to the risk of pulp necrosis and consequently result in the cessation of root maturation. Regenerative endodontic procedures (REPs) have been described as a "paradigm shift" in the treatment of immature teeth with pulp necrosis and underdeveloped roots, as there is the potential for further root maturation and return of vitality. Treatment with REPs is advocated as the treatment of choice for immature teeth with pulp necrosis. REP protocols involve the use of alkaline biomaterials, primarily sodium hypochlorite, calcium hydroxide, mineral trioxide aggregates and Biodentine, and are the essential components of a successful treatment regimen. PMID- 29206140 TI - Surfactant Effects on Structure and Mechanical Properties of Ultrahigh-Molecular Weight Polyethylene/Layered Silicate Composites. AB - In this study, the reinforcement of ultrahigh-molecular-weight polyethylene (UHMWPE) with biotite was investigated. The biotite filler was mechanically activated with different dry surfactants to improve its compatibility with UHMWPE and decrease agglomeration among biotite particles. Alkyldimethylbenzylammonium chloride (ADBAC) and cetyltrimethylammonium bromide (CTAB) were selected as cationic surfactants. The tensile strength of composites containing 1 wt % of CTAB-treated biotite was increased by 30% relative to those with untreated biotite, but was unchanged with ADBAC treatment of the same biotite content. The stereochemistry of the surfactant may be critical to the composite structure and mechanical properties of the material. The stereochemistry of CTAB was preferable to that of ADBAC in enhancing mechanical properties because the stereochemistry of ADBAC impedes favorable interactions with the biotite surface during mechanical activation. PMID- 29206141 TI - (-)-Epigallocatechin-3-Gallate Inhibits the Chaperone Activity of Plasmodium falciparum Hsp70 Chaperones and Abrogates Their Association with Functional Partners. AB - Heat shock proteins (Hsps), amongst them, Hsp70 and Hsp90 families, serve mainly as facilitators of protein folding (molecular chaperones) of the cell. The Hsp70 family of proteins represents one of the most important molecular chaperones in the cell. Plasmodium falciparum, the main agent of malaria, expresses six Hsp70 isoforms. Two (PfHsp70-1 and PfHsp70-z) of these localize to the parasite cytosol. PHsp70-1 is known to occur in a functional complex with another chaperone, PfHsp90 via a co-chaperone, P. falciparum Hsp70-Hsp90 organising protein (PfHop). (-)-Epigallocatechin-3-gallate (EGCG) is a green tea constituent that is thought to possess antiplasmodial activity. However, the mechanism by which EGCG exhibits antiplasmodial activity is not fully understood. A previous study proposed that EGCG binds to the N-terminal ATPase domain of Hsp70. In the current study, we overexpressed and purified recombinant forms of two P. falciparum cytosol localized Hsp70s (PfHsp70-1 and PfHsp70-z), and PfHop, a co chaperone of PfHsp70-1. Using the surface plasmon resonance approach, we demonstrated that EGCG directly binds to the two Hsp70s. We further observed that binding of EGCG to the two proteins resulted in secondary and tertiary conformational changes. In addition, EGCG inhibited the ATPase and chaperone function of the two proteins. Furthermore, EGCG abrogated association of the two Hsp70s with their functional partners. Using parasites cultured in vitro at the blood stages, we observed that 2.9 uM EGCG suppressed 50% P. falciparum parasite growth (IC50). Our findings demonstrate that EGCG directly binds to PfHsp70-1 and PfHsp70-z to inhibit both the ATPase and chaperone functions of the proteins. Our study constitutes the first direct evidence suggesting that the antiplasmodial activity of EGCG is at least in part accounted for by its inhibition of Hsp70 function. PMID- 29206142 TI - Composition and Antibacterial Activity of the Essential Oils of Orthosiphon stamineus Benth and Ficus deltoidea Jack against Pathogenic Oral Bacteria. AB - In this study, the essential oils of Orthosiphon stamineus Benth and Ficus deltoidea Jack were evaluated for their antibacterial activity against invasive oral pathogens, namely Enterococcus faecalis, Streptococcus mutans, Streptococcus mitis, Streptococcus salivarius, Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis and Fusobacterium nucleatum. Chemical composition of the oils was analyzed using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The antibacterial activity of the oils and their major constituents were investigated using the broth microdilution method (minimal inhibitory concentration (MIC) and minimal bactericidal concentration (MBC)). Susceptibility test, anti-adhesion, anti-biofilm, checkerboard and time-kill assays were also carried out. Physiological changes of the bacterial cells after exposure to the oils were observed under the field emission scanning electron microscope (FESEM). O. stamineus and F. deltoidea oils mainly consisted of sesquiterpenoids (44.6% and 60.9%, respectively), and beta-caryophyllene was the most abundant compound in both oils (26.3% and 36.3%, respectively). Other compounds present in O. stamineus were alpha-humulene (5.1%) and eugenol (8.1%), while alpha-humulene (5.5%) and germacrene D (7.7%) were dominant in F. deltoidea. The oils of both plants showed moderate to strong inhibition against all tested bacteria with MIC and MBC values ranging 0.63-2.5 mg/mL. However, none showed any inhibition on monospecies biofilms. The time-kill assay showed that combination of both oils with amoxicillin at concentrations of 1* and 2* MIC values demonstrated additive antibacterial effect. The FESEM study showed that both oils produced significant alterations on the cells of Gram-negative bacteria as they became pleomorphic and lysed. In conclusion, the study indicated that the oils of O. stamineus and F. deltoidea possessed moderate to strong antibacterial properties against the seven strains pathogenic oral bacteria and may have caused disturbances of membrane structure or cell wall of the bacteria. PMID- 29206144 TI - New Type of Halogen Bond: Multivalent Halogen Interacting with pi- and sigma Electrons. AB - MP2/aug-cc-pVTZ calculations were performed for complexes of BrF3 and BrF5 acting as Lewis acids through the bromine centre, with species playing a role of Lewis base: dihydrogen, acetylene, ethylene, and benzene. The molecular hydrogen donates electrons by its sigma-bond, while in remaining moieties-in complexes of hydrocarbons; such an electron transfer follows from pi-electrons. The complexes are linked by a kind of the halogen bond that is analyzed for the first time in this study, i.e., it is the link between the multivalent halogen and pi or sigma electrons. The nature of such a halogen bond is discussed, as well as various dependencies and correlations are presented. Different approaches are applied here, the Quantum Theory of Atoms in Molecules, Natural Bond Orbital method, the decomposition of the energy of interaction, the analysis of electrostatic potentials, etc. PMID- 29206143 TI - Lipoprotein Lipase Expression in Chronic Lymphocytic Leukemia: New Insights into Leukemic Progression. AB - Lipoprotein lipase (LPL) is a central enzyme in lipid metabolism. Due to its catalytic activity, LPL is involved in metabolic pathways exploited by various solid and hematologic malignancies to provide an extra energy source to the tumor cell. We and others described a link between the expression of LPL in the tumor cell and a poor clinical outcome of patients suffering Chronic Lymphocytic Leukemia (CLL). This leukemia is characterized by a slow accumulation of mainly quiescent clonal CD5 positive B cells that infiltrates secondary lymphoid organs, bone marrow and peripheral blood. Despite LPL being found to be a reliable molecular marker for CLL prognosis, its functional role and the molecular mechanisms regulating its expression are still matter of debate. Herein we address some of these questions reviewing the current state of the art of LPL research in CLL and providing some insights into where currently unexplored questions may lead to. PMID- 29206145 TI - Dual-Wavelength Laser Speckle Contrast Imaging (dwLSCI) Improves Chronic Measurement of Superficial Blood Flow in Hands. AB - Laser speckle contrast imaging (LSCI) has been widely used to determine blood flow and perfusion in biological tissues. The physical model of traditional LSCI ignores the effects of scattering property distribution in relation to speckle correlation time tauc and blood flow v, which further results in biased estimation. In this study, we developed a dual-wavelength laser speckle contrast imaging (dwLSCI) method and a portable device for imaging the blood flow and tissue perfusion in human hands. Experimental data showed that dwLSCI could retrieve the vein vasculatures under the surface skin, and it further provided accurate measurements of vein blood flow signals, tissue perfusion signals, and fingertip perfusion signals, which assist with assessments of rehabilitation therapy for stroke patients. Fingertip perfusion signals demonstrated better performance in early assessments, while vein blood flow signals assisted the Fugl Meyer Assessment Scale (FMA) and the Wolf Motor Function Test (WMFT) behavior assessments. As a general noninvasive imaging method, dwLSCI can be applied in clinical studies related to hand functions combined with behavior assessments. PMID- 29206146 TI - Thermally and Electrically Conductive Nanopapers from Reduced Graphene Oxide: Effect of Nanoflakes Thermal Annealing on the Film Structure and Properties. AB - In this study, we report a novel strategy to prepare graphene nanopapers from direct vacuum filtration. Instead of the conventional method, i.e., thermal annealing nanopapers at extremely high temperatures prepared from graphene oxide (GO) or partially reduced GO, we fabricate our graphene nanopapers directly from suspensions of fully reduced graphene oxide (RGO), obtained after RGO and thermal annealing at 1700 degrees C in vacuum. By using this approach, we studied the effect of thermal annealing on the physical properties of the macroscopic graphene-based papers. Indeed, we demonstrated that the enhancement of the thermal and electrical properties of graphene nanopapers prepared from annealed RGO is strongly influenced by the absence of oxygen functionalities and the morphology of the nanoflakes. Hence, our methodology can be considered as a valid alternative to the classical approach. PMID- 29206147 TI - Phloem-Conducting Cells in Haustoria of the Root-Parasitic Plant Phelipanche aegyptiaca Retain Nuclei and Are Not Mature Sieve Elements. AB - Phelipanche aegyptiaca parasitizes a wide range of plants, including important crops, and causes serious damage to their production. P. aegyptiaca develops a specialized intrusive organ called a haustorium that establishes connections to the host's xylem and phloem. In parallel with the development of xylem vessels, the differentiation of phloem-conducting cells has been demonstrated by the translocation of symplasmic tracers from the host to the parasite. However, it is unclear yet whether haustorial phloem-conducting cells are sieve elements. In this study, we identified phloem-conducting cells in haustoria by the host-to parasite translocation of green fluorescent protein (GFP) from AtSUC2pro::GFP tomato sieve tubes. Haustorial GFP-conducting cells contained nuclei but not callose-rich sieve plates, indicating that phloem-conducting cells in haustoria differ from conventional sieve elements. To ascertain why the nuclei were not degenerated, expression of the P. aegyptiaca homologs NAC-domain containing transcription factor (NAC45), NAC45/86-dependent exonuclease-domain protein 1 (NEN1), and NEN4 was examined. However, these genes were more highly expressed in the haustorium than in tubercle protrusion, implying that nuclear degradation in haustoria may not be exclusively controlled by the NAC45/86-NEN regulatory pathway. Our results also suggest that the formation of plasmodesmata with large size exclusion limits is independent of nuclear degradation and callose deposition. PMID- 29206148 TI - A Comparative Study of Coupled Preferential Crystallizers for the Efficient Resolution of Conglomerate-Forming Enantiomers. AB - The separation of enantiomers is of great importance due to their possible differences in therapeutic properties. Preferential crystallization in various configurations of coupled batch crystallizers is used as an attractive means to separate the conglomerate-forming enantiomers from racemic mixtures. However, the productivity of such batch processes can be limited by the nucleation of the counter enantiomer and consumption of the supersaturation. In this work, a recently proposed process configuration, which uses coupled mixed suspension mixed product removal (MSMPR) with liquid phase exchange, is investigated by simulation studies. A detailed study on the effect of process parameters (e.g., feed flow rate, seed mass, and liquid phase exchange) on the productivity and yield of the coupled MSMPR has been presented. Moreover, a comparison of various coupled crystallizer configurations is carried out. It is shown through simulation studies that the productivity of the enantiomeric separation can be significantly improved compared to the previously proposed batch modes when the continuous configuration is used. The effect of nucleation kinetic parameters on the performances of various crystallizer configurations is studied as well. A set of coupled population balance equations (PBEs) was used to describe the evolution of the crystal phase of the both enantiomers in each vessel. These equations were solved numerically using the quadrature method of moments. The insights obtained in this study will be useful in the process design of coupled crystallizer systems. PMID- 29206149 TI - Real-Time and In-Flow Sensing Using a High Sensitivity Porous Silicon Microcavity Based Sensor. AB - Porous silicon seems to be an appropriate material platform for the development of high-sensitivity and low-cost optical sensors, as their porous nature increases the interaction with the target substances, and their fabrication process is very simple and inexpensive. In this paper, we present the experimental development of a porous silicon microcavity sensor and its use for real-time in-flow sensing application. A high-sensitivity configuration was designed and then fabricated, by electrochemically etching a silicon wafer. Refractive index sensing experiments were realized by flowing several dilutions with decreasing refractive indices, and measuring the spectral shift in real time. The porous silicon microcavity sensor showed a very linear response over a wide refractive index range, with a sensitivity around 1000 nm/refractive index unit (RIU), which allowed us to directly detect refractive index variations in the 10-7 RIU range. PMID- 29206150 TI - Dynamic Modelling of Embeddable Piezoceramic Transducers. AB - Embedded Lead Zirconate Titanate (PZT) transducers have been widely used in research related to monitoring the health status of concrete structures. This paper presents a dynamic model of an embeddable PZT transducer with a waterproof layer and a protecting layer. The proposed model is verified by finite-element method (FEM). Based on the proposed model, the factors influencing the dynamic property of the embeddable PZT transducers, which include the material and thickness of the protecting layer, the material and thickness of the waterproof layer, and the thickness of the PZT, are analyzed. These analyses are further validated by a series of dynamic stress transfer experiments on embeddable PZT transducers. The results show that the excitation frequency can significantly affect the stress transfer of the PZT transducer in terms of both amplitude and signal phase. The natural frequency in the poling direction for the PZT transducer is affected by the material properties and the thickness of the waterproof and protecting layers. The studies in this paper will provide a scientific basis to design embeddable PZT transducers with special functions. PMID- 29206151 TI - An Overview of l-Amino Acid Oxidase Functions from Bacteria to Mammals: Focus on the Immunoregulatory Phenylalanine Oxidase IL4I1. AB - l-amino acid oxidases are flavin adenine dinucleotide-dependent enzymes present in all major kingdom of life, from bacteria to mammals. They participate in defense mechanisms by limiting the growth of most bacteria and parasites. A few mammalian LAAOs have been described, of which the enzyme "interleukin-4 induced gene 1" (IL4I1) is the best characterized. IL4I1 mainly oxidizes l-phenylalanine. It is a secreted enzyme physiologically produced by antigen presenting cells of the myeloid and B cell lineages and T helper type (Th) 17 cells. Important roles of IL4I1 in the fine control of the adaptive immune response in mice and humans have emerged during the last few years. Indeed, IL4I1 inhibits T cell proliferation and cytokine production and facilitates naive CD4+ T-cell differentiation into regulatory T cells in vitro by limiting the capacity of T lymphocytes to respond to clonal receptor stimulation. It may also play a role in controlling the germinal center reaction for antibody production and limiting Th1 and Th17 responses. IL4I1 is expressed in tumor-associated macrophages of most human cancers and in some tumor cell types. Such expression, associated with its capacity to facilitate tumor growth by inhibiting the anti-tumor T-cell response, makes IL4I1 a new potential druggable target in the field of immunomodulation in cancer. PMID- 29206152 TI - Connecting the Mind-Body Split: Understanding the Relationship between Symptoms and Emotional Well-Being in Chronic Pain and Functional Gastrointestinal Disorders. AB - Paediatric chronic conditions, e.g., chronic pain and functional gastrointestinal disorders, are commonly diagnosed, with fatigue, pain and abdominal discomfort the most frequently reported symptoms across conditions. Regardless of whether symptoms are connected to an underlying medical diagnosis or not, they are often associated with an increased experience of psychological distress by both the ill child and their parents. While pain and embarrassing symptoms can induce increased distress, evidence is also accumulating in support of a reciprocal relationship between pain and distress. This reciprocal relationship is nicely illustrated in the fear avoidance model of pain, which has recently been found to be applicable to childhood pain experiences. The purpose of this article is to illustrate how mind (i.e., emotions) and body (i.e., physical symptoms) interact using chronic pain and gastrointestinal disorders as key examples. Despite the evidence for the connection between mind and body, the mind-body split is still a dominant position for families and health care systems, as evidenced by the artificial split between physical and mental health care. In a mission to overcome this gap, this article will conclude by providing tools on how the highlighted evidence can help to close this gap between mind and body. PMID- 29206153 TI - Is Genetic Mobilization Considered When Using Bacteriophages in Antimicrobial Therapy? AB - The emergence of multi-drug resistant bacteria has undermined our capacity to control bacterial infectious diseases. Measures needed to tackle this problem include controlling the spread of antibiotic resistance, designing new antibiotics, and encouraging the use of alternative therapies. Phage therapy seems to be a feasible alternative to antibiotics, although there are still some concerns and legal issues to overcome before it can be implemented on a large scale. Here we highlight some of those concerns, especially those related to the ability of bacteriophages to transport bacterial DNA and, in particular, antibiotic resistance genes. PMID- 29206154 TI - Application of a Saddle-Type Eddy Current Sensor in Steel Ball Surface-Defect Inspection. AB - Steel ball surface-defect inspection was performed by using a new saddle-type eddy current sensor (SECS), which included a saddle coil and a signal conditioning circuit. The saddle coil was directly wound on the steel ball's outer bracket in a semi-circumferential direction. Driven by a friction wheel, the test steel ball rotated in a one-dimensional direction, such that the steel ball surface was fully scanned by the SECS. There were two purposes for using the SECS in the steel ball inspection system: one was to reduce the complexity of the unfolding wheel of the surface deployment mechanism, and the other was to reduce the difficulty of sensor processing and installation. Experiments were carried out on bearing steel balls in diameter of 8 mm with three types of representative and typical defects by using the SECS, and the results showed that the inspection system can detect surface defects as small as 0.05 mm in width and 0.1 mm in depth with high-repetition detection accuracy, and the detection efficiency of 5 pcs/s, which meet the requirement for inspecting ISO grade 10 bearing steel balls. The feasibility of detecting steel ball surface defects by SECS was verified. PMID- 29206155 TI - Structurally Oriented Nano-Sheets in Co Thin Films: Changing Their Anisotropic Physical Properties by Thermally-Induced Relaxation. AB - We show how nanocrystalline Co films formed by separated oblique nano-sheets display anisotropy in their resistivity, magnetization process, surface nano morphology and optical transmission. After performing a heat treatment at 270 degrees C, these anisotropies decrease. This loss has been monitored measuring the resistivity as a function of temperature. The resistivity measured parallel to the direction of the nano-sheets has been constant up to 270 degrees C, but it decreases when measured perpendicular to the nano-sheets. This suggests the existence of a structural relaxation, which produces the change of the Co nano sheets during annealing. The changes in the nano-morphology and the local chemical composition of the films at the nanoscale after heating above 270 degrees C have been analysed by scanning transmission electron microscopy (STEM). Thus, an approach and coalescence of the nano-sheets have been directly visualized. The spectrum of activation energies of this structural relaxation has indicated that the coalescence of the nano-sheets has taken place between 1.2 and 1.7 eV. In addition, an increase in the size of the nano-crystals has occurred in the samples annealed at 400 degrees C. This study may be relevant for the application in devices working, for example, in the GHz range and to achieve the retention of the anisotropy of these films at higher temperatures. PMID- 29206156 TI - Identification, In Vitro Testing and Molecular Docking Studies of Microginins' Mechanism of Angiotensin-Converting Enzyme Inhibition. AB - Cyanobacteria are able to produce a wide range of secondary metabolites, including toxins and protease inhibitors, with diverse biological activities. Microginins are small linear peptides biosynthesized by cyanobacteria species that act against proteases. The aim of this study was to isolate and identify microginins produced by the LTPNA08 strain of Microcystis aeruginosa, as well as to verify their potential to inhibit angiotensin-converting enzyme (ACE; EC. 3.4.15.1) using in vitro and in silico methods. The fractionation of cyanobacterial extracts was performed by liquid chromatography and the presence of microginins was monitored by both LC-MS and an ACE inhibition assay. Enzyme inhibition was assayed by ACE with hippuryl-histidyl-leucine as the substrate; monitoring of hippuric acid was performed by HPLC-DAD. Isolated microginins were confirmed by mass spectrometry and were used to carry out the enzymatic assay. Molecular docking was used to evaluate microginin 770 (MG 770) and captopril (positive control), in order to predict similar binding interactions and determine the inhibitory action of ACE. The enzyme assay confirmed that MG 770 can efficiently inhibit ACE, with an IC50 equivalent to other microginins. MG 770 presented with comparable interactions with ACE, having features in common with commercial inhibitors such as captopril and enalaprilate, which are frequently used in the treatment of hypertension in humans. PMID- 29206157 TI - Effect of Graphene Oxide (GO) on the Morphology and Microstructure of Cement Hydration Products. AB - In this study, the effects of graphene oxide (GO) on the microstructure of cement mortars were studied using scanning electron microscopy (SEM), thermogravimetric (TG), and X-ray diffraction (XRD) techniques. Cement mortar samples with different proportions of GO (0.02, 0.04, 0.06, and 0.08 wt % based on the weight of cement) were prepared. The test results showed that GO affected the crystallization of cement hydration products, C-S-H (calcium silicate hydrate is the main hydrate product) and CH (calcium hydroxide). The morphology of hydration products changed with the increase of GO content. Furthermore, the results of XRD analyses showed that the diffraction peak intensity and the crystal grain size of CH (001), (100), (101), and (102) for GO samples increased considerably compared with the control sample. Based on the results, it can be understood that GO can modify the crystal surface of CH, leading to the formation of larger crystals. PMID- 29206159 TI - Energy Management in Smart Cities Based on Internet of Things: Peak Demand Reduction and Energy Savings. AB - Around the globe, innovation with integrating information and communication technologies (ICT) with physical infrastructure is a top priority for governments in pursuing smart, green living to improve energy efficiency, protect the environment, improve the quality of life, and bolster economy competitiveness. Cities today faces multifarious challenges, among which energy efficiency of homes and residential dwellings is a key requirement. Achieving it successfully with the help of intelligent sensors and contextual systems would help build smart cities of the future. In a Smart home environment Home Energy Management plays a critical role in finding a suitable and reliable solution to curtail the peak demand and achieve energy conservation. In this paper, a new method named as Home Energy Management as a Service (HEMaaS) is proposed which is based on neural network based Q-learning algorithm. Although several attempts have been made in the past to address similar problems, the models developed do not cater to maximize the user convenience and robustness of the system. In this paper, authors have proposed an advanced Neural Fitted Q-learning method which is self learning and adaptive. The proposed method provides an agile, flexible and energy efficient decision making system for home energy management. A typical Canadian residential dwelling model has been used in this paper to test the proposed method. Based on analysis, it was found that the proposed method offers a fast and viable solution to reduce the demand and conserve energy during peak period. It also helps reducing the carbon footprint of residential dwellings. Once adopted, city blocks with significant residential dwellings can significantly reduce the total energy consumption by reducing or shifting their energy demand during peak period. This would definitely help local power distribution companies to optimize their resources and keep the tariff low due to curtailment of peak demand. PMID- 29206158 TI - Anti-Candida Activity of Bursera morelensis Ramirez Essential Oil and Two Compounds, alpha-Pinene and gamma-Terpinene-An In Vitro Study. AB - The candidiasis caused by C. albicans is a public health problem. The abuse of antifungals has contributed to the development of resistance. B. morelensis has demonstrated antibacterial and antifungal activities. In this work the activity of the essential oil of B. morelensis was evaluated and for its two pure compounds with analysis of the different mechanisms of pathogenesis important for C. albicans. The essential oil was obtained by the hydro-distillation method and analyzed using GC-MS. The anti-Candida activity was compared between to essential oil, alpha-Pinene and gamma-Terpinene. GC-MS of the essential oil demonstrated the presence of 13 compounds. The essential oil showed antifungal activity against four C. albicans strains. The most sensitive strain was C. albicans 14065 (MFC 2.0 mg/mL and MIC50 0.125 mg/mL) with alpha-Pinene and gamma-Terpinene having MFCs of 4.0 and 16.0 mg/mL respectively. The essential oil inhibited the growth of the germ tube in 87.94% (8.0 mg/mL). Furthermore, it was observed that the essential oil diminishes the transcription of the gene INT1. This work provides evidence that confirms the anti-Candida activity of the B. morelensis essential oil and its effect on the growth of the germ tube and transcription of the gene INT1. PMID- 29206160 TI - Comparative Analysis of Cotton Small RNAs and Their Target Genes in Response to Salt Stress. AB - Small RNAs play an important role in regulating plant responses to abiotic stress. Depending on the method of salt application, whether sudden or gradual, plants may experience either salt shock or salt stress, respectively. In this study, small RNA expression in response to salt shock and long-term salt stress in parallel experiments was described. Cotton small RNA libraries were constructed and sequenced under normal conditions, as well as sudden and gradual salt application. A total of 225 cotton microRNAs (miRNAs) were identified and of these 24 were novel miRNAs. There were 88 and 75 miRNAs with differential expression under the salt shock and long-term salt stress, respectively. Thirty one transcripts were found to be targets of 20 miRNA families. Eight targets showed a negative correlation in expression with their corresponding miRNAs. We also identified two TAS3s with two near-identical 21-nt trans-acting small interfering RNA (tasiRNA)-Auxin Response Factors (ARFs) that coaligned with the phases D7(+) and D8(+) in three Gossypium species. The miR390/tasiRNA-ARFs/ARF4 pathway was identified and showed altered expression under salt stress. The identification of these small RNAs as well as elucidating their functional significance broadens our understanding of post-transcriptional gene regulation in response to salt stress. PMID- 29206161 TI - Ethnobotanical Survey, Preliminary Physico-Chemical and Phytochemical Screening of Salvia argentea (L.) Used by Herbalists of the Saida Province in Algeria. AB - An ethnobotanical study was carried out in the Saida region among herbalists to evaluate the use of Salvia argentea (L.), a plant species native from North Africa belonging to the Lamiaceae family. Forty-two herbalists were interviewed individually, aged between 30 and 70 years, all males, 52.38% of them having received a secondary education level and having performing their duties for more than a decade. This study showed that Salvia argentea is used specifically in the treatment of diseases of the respiratory system. The leaves are the most commonly used part, usually in the form of powder and exclusively administered orally. The preliminary results of the physicochemical characterization and the phytochemical screening of the powdered leaves of Salvia argentea attest to their safety and confer them a guarantee of phytotherapeutic quality. PMID- 29206162 TI - A 45 nm Stacked CMOS Image Sensor Process Technology for Submicron Pixel. AB - A submicron pixel's light and dark performance were studied by experiment and simulation. An advanced node technology incorporated with a stacked CMOS image sensor (CIS) is promising in that it may enhance performance. In this work, we demonstrated a low dark current of 3.2 e-/s at 60 degrees C, an ultra-low read noise of 0.90 e-.rms, a high full well capacity (FWC) of 4100 e-, and blooming of 0.5% in 0.9 MUm pixels with a pixel supply voltage of 2.8 V. In addition, the simulation study result of 0.8 MUm pixels is discussed. PMID- 29206163 TI - Frozen Microemulsions for MAPLE Immobilization of Lipase. AB - Candida rugosa lipase (CRL) was deposited by matrix assisted pulsed laser evaporation (MAPLE) in order to immobilize the enzyme with a preserved native conformation, which ensures its catalytic functionality. For this purpose, the composition of the MAPLE target was optimized by adding the oil phase pentane to a water solution of the amino acid 3-(3,4-dihydroxyphenyl)-2-methyl-l-alanine (m DOPA), giving a target formed by a frozen water-lipase-pentane microemulsion. Fourier transform infrared (FTIR) spectroscopy and atomic force microscopy (AFM) were used to investigate the structure of MAPLE deposited lipase films. FTIR deconvolution of amide I band indicated a reduction of unfolding and aggregation, i.e., a better preserved lipase secondary structure in the sample deposited from the frozen microemulsion target. AFM images highlighted the absence of big aggregates on the surface of the sample. The functionality of the immobilized enzyme to promote transesterification was determined by thin layer chromatography, resulting in a modified specificity. PMID- 29206164 TI - Dietary Consumption of Phenolic Acids and Prostate Cancer: A Case-Control Study in Sicily, Southern Italy. AB - Dietary polyphenols gained the interest of the scientific community due to their wide content in a variety of plant-derived foods and beverages commonly consumed, such as fruits, vegetables, coffee, tea, and cocoa. We aimed to investigate whether there was an association between dietary phenolic acid consumption and prostate cancer (PCa) in South Italy. We conducted a population-based case control study from January 2015 to December 2016 in a single institution of the municipality of Catania, southern Italy (Registration number: 41/2015). Patients with elevated PSA and/or suspicious PCa underwent transperineal prostate biopsy. A total of 118 histopathological-verified PCa cases were collected and a total of 222 controls were selected from a sample of 2044 individuals. Dietary data were collected by using two food frequency questionnaires and data on the phenolic acids content in foods was obtained from the Phenol-Explorer database (www.phenol explorer.eu). Association between dietary intake of phenolic acids and PCa was calculated through logistic regression analysis. We found lower levels of caffeic acid (2.28 mg/day vs. 2.76 mg/day; p < 0.05) and ferulic acid (2.80 mg/day vs. 4.04 mg/day; p < 0.01) in PCa when compared to controls. The multivariate logistic regression showed that both caffeic acid (OR = 0.32; p < 0.05) and ferulic acid (OR = 0.30; p < 0.05) were associated with reduced risk of PCa. Higher intake of hydroxybenzoic acids and caffeic acids were associated with lower risk of advanced PCa. High intake of caffeic acid and ferulic acid may be associated with reduced risk of PCa. PMID- 29206166 TI - The Impact of Hemodialysis on Spatio-Temporal Characteristics of Gait and Role of Exercise: A Systematic Review. AB - Background: People with end-stage kidney disease (ESKD) on hemodialysis (HD) commonly have functional impairments. The purpose of this systematic review was to evaluate the effect of HD on spatio-temporal characteristics of gait, and effect of exercise on these parameters. Methods: Electronic databases were searched to identify relevant citations. Extracted data was computed using a random effects model for means (Hedges' and 95% confidence interval (CI). Results: 27 studies met inclusion criteria. Mean values: gait speed (GS)-1.0 m/s (CI: 0.9-1.1 m/s; 16 studies), fast walking speed (FWS)-1.5 m/s (CI: 1.3-1.6 m/s; 7 studies), timed get-up & go test (TUG) -6.8 s (CI: 6.1-7.5 s; 2 studies), walk tests (WT) 193.0 s (CI: 116.0-270.0; 5 studies), 6 min-walk-test (6MWT)-386.6 m (CI: 243.2-530.0 m; 11 studies). 4 studies compared participants on HD with normal controls and 10 studies evaluated the effect of nutrition/exercise. Conclusions: Compared to age-matched populations, people with ESKD/HD had significantly slower GS and reduced walk distances; with intervention, the change in the distance walked was significant. Further research is required to evaluate the effect of HD on gait parameters, and the type of exercise/nutrition that will lead to meaningful changes. PMID- 29206167 TI - scRNASeqDB: A Database for RNA-Seq Based Gene Expression Profiles in Human Single Cells. AB - Single-cell RNA sequencing (scRNA-Seq) is rapidly becoming a powerful tool for high-throughput transcriptomic analysis of cell states and dynamics at the single cell level. Both the number and quality of scRNA-Seq datasets have dramatically increased recently. A database that can comprehensively collect, curate, and compare expression features of scRNA-Seq data in humans has not yet been built. Here, we present scRNASeqDB, a database that includes almost all the currently available human single cell transcriptome datasets (n = 38) covering 200 human cell lines or cell types and 13,440 samples. Our online web interface allows users to rank the expression profiles of the genes of interest across different cell types. It also provides tools to query and visualize data, including Gene Ontology and pathway annotations for differentially expressed genes between cell types or groups. The scRNASeqDB is a useful resource for single cell transcriptional studies. This database is publicly available at bioinfo.uth.edu/scrnaseqdb/. PMID- 29206165 TI - Current Research on Non-Coding Ribonucleic Acid (RNA). AB - Non-coding ribonucleic acid (RNA) has without a doubt captured the interest of biomedical researchers. The ability to screen the entire human genome with high throughput sequencing technology has greatly enhanced the identification, annotation and prediction of the functionality of non-coding RNAs. In this review, we discuss the current landscape of non-coding RNA research and quantitative analysis. Non-coding RNA will be categorized into two major groups by size: long non-coding RNAs and small RNAs. In long non-coding RNA, we discuss regular long non-coding RNA, pseudogenes and circular RNA. In small RNA, we discuss miRNA, transfer RNA, piwi-interacting RNA, small nucleolar RNA, small nuclear RNA, Y RNA, single recognition particle RNA, and 7SK RNA. We elaborate on the origin, detection method, and potential association with disease, putative functional mechanisms, and public resources for these non-coding RNAs. We aim to provide readers with a complete overview of non-coding RNAs and incite additional interest in non-coding RNA research. PMID- 29206169 TI - Monitoring Traffic Information with a Developed Acceleration Sensing Node. AB - In this paper, an acceleration sensing node for pavement vibration was developed to monitor traffic information, including vehicle speed, vehicle types, and traffic flow, where a hardware design with low energy consumption and node encapsulation could be accomplished. The service performance of the sensing node was evaluated, by methods including waterproof test, compression test, sensing performance analysis, and comparison test. The results demonstrate that the sensing node is low in energy consumption, high in strength, IPX8 waterproof, and high in sensitivity and resolution. These characteristics can be applied to practical road environments. Two sensing nodes were spaced apart in the direction of travelling. In the experiment, three types of vehicles passed by the monitoring points at several different speeds and values of d (the distance between the sensor and the nearest tire center line). Based on cross-correlation with kernel pre-smoothing, a calculation method was applied to process the raw data. New algorithms for traffic flow, speed, and axle length were proposed. Finally, the effects of vehicle speed, vehicle weight, and d value on acceleration amplitude were statistically evaluated. It was found that the acceleration sensing node can be used for traffic flow, vehicle speed, and other types of monitoring. PMID- 29206168 TI - Significance and Diagnostic Role of Antimicrobial Cathelicidins (LL-37) Peptides in Oral Health. AB - Cathelicidins are a group of oral antimicrobial peptides that play multiple vital roles in the human body, such as their antimicrobial (broad spectrum) role against oral microbes, wound healing, and angiogenesis, with recent evidences about their role in cancer regulation. Cathelicidins are present in humans and other mammals as well. By complex interactions with the microenvironment, it results in pro-inflammatory effects. Many in vitro and in vivo experiments have been conducted to ultimately conclude that these unique peptides play an essential role in innate immunity. Peptides are released in the precursor form (defensins), which after cleavage results in cathelicidins formation. Living in the era where the major focus is on non-invasive and nanotechnology, this ultimately leads to further advancements in the field of salivaomics. Based on current spotlight innovations, we have highlighted the biochemistry, mode of action, and the importance of cathelicidins in the oral cavity. PMID- 29206170 TI - Pollution Emissions, Environmental Policy, and Marginal Abatement Costs. AB - Pollution emissions impose serious social negative externalities, especially in terms of public health. To reduce pollution emissions cost-effectively, the marginal abatement costs (MACs) of pollution emissions must be determined. Since the industrial sectors are the essential pillars of China's economic growth, as well as leading energy consumers and sulfur dioxide (SO2) emitters, estimating MACs of SO2 emissions at the industrial level can provide valuable information for all abatement efforts. This paper tries to address the critical and essential issue in pollution abatement: How do we determine the MACs of pollution emissions in China? This paper first quantifies the SO2 emission contribution of different industrial sectors in the Chinese economy by an Input-Output method and then estimates MACs of SO2 for industrial sectors at the national level, provincial level, and sectoral level by the shadow price theory. Our results show that six sectors (e.g., the Mining and Washing of Coal sector) should be covered in the Chinese pollution emission trading system. We have also found that the lowest SO2 shadow price is 2000 Yuan/ton at the national level, and that shadow prices should be set differently at the provincial level. Our empirical study has several important policy implications, e.g., the estimated MACs may be used as a pricing benchmark through emission allowance allocation. In this paper, the MACs of industrial sectors are calculated from the national, provincial and sectoral levels; therefore, we provide an efficient framework to track the complex relationship between sectors and provinces. PMID- 29206171 TI - Kin Selection in the RNA World. AB - Various steps in the RNA world required cooperation. Why did life's first inhabitants, from polymerases to synthetases, cooperate? We develop kin selection models of the RNA world to answer these questions. We develop a very simple model of RNA cooperation and then elaborate it to model three relevant issues in RNA biology: (1) whether cooperative RNAs receive the benefits of cooperation; (2) the scale of competition in RNA populations; and (3) explicit replicator diffusion and survival. We show: (1) that RNAs are likely to express partial cooperation; (2) that RNAs will need mechanisms for overcoming local competition; and (3) in a specific example of RNA cooperation, persistence after replication and offspring diffusion allow for cooperation to overcome competition. More generally, we show how kin selection can unify previously disparate answers to the question of RNA world cooperation. PMID- 29206172 TI - Melatonin Efficacy in Obese Leptin-Deficient Mice Heart. AB - Cardiomyocytes are particularly sensitive to oxidative damage due to the link between mitochondria and sarcoplasmic reticulum necessary for calcium flux and contraction. Melatonin, important indoleamine secreted by the pineal gland during darkness, also has important cardioprotective properties. We designed the present study to define morphological and ultrastructural changes in cardiomyocytes and mainly in mitochondria of an animal model of obesity (ob/ob mice), when treated orally or not with melatonin at 100 mg/kg/day for 8 weeks (from 5 up to 13 week of life). We observed that ob/ob mice mitochondria in sub-sarcolemmal and inter myofibrillar compartments are often devoid of cristae with an abnormally large size, which are called mega-mitochondria. Moreover, in ob/ob mice the hypertrophic cardiomyocytes expressed high level of 4hydroxy-2-nonenal (4HNE), a marker of lipid peroxidation but scarce degree of mitofusin2, indicative of mitochondrial sufferance. Melatonin oral supplementation in ob/ob mice restores mitochondrial cristae, enhances mitofusin2 expression and minimizes 4HNE and p62/SQSTM1, an index of aberrant autophagic flux. At pericardial fat level, adipose tissue depot strictly associated with myocardium infarction, melatonin reduces adipocyte hypertrophy and inversely regulates 4HNE and adiponectin expressions. In summary, melatonin might represent a safe dietary adjuvant to hamper cardiac mitochondria remodeling and the hypoxic status that occur in pre diabetic obese mice at 13 weeks of life. PMID- 29206173 TI - Histone MacroH2A1: A Chromatin Point of Intersection between Fasting, Senescence and Cellular Regeneration. AB - Histone variants confer chromatin unique properties. They have specific genomic distribution, regulated by specific deposition and removal machineries. Histone variants, mostly of canonical histones H2A, H2B and H3, have important roles in early embryonic development, in lineage commitment of stem cells, in the converse process of somatic cell reprogramming to pluripotency and, in some cases, in the modulation of animal aging and life span. MacroH2A1 is a variant of histone H2A, present in two alternatively exon-spliced isoforms macroH2A1.1 and macroH2A1.2, regulating cell plasticity and proliferation, during pluripotency and tumorigenesis. Furthermore, macroH2A1 participates in the formation of senescence associated heterochromatic foci (SAHF) in senescent cells, and multiple lines of evidence in genetically modified mice suggest that macroH2A1 integrates nutritional cues from the extracellular environment to transcriptional programs. Here, we review current molecular evidence based on next generation sequencing data, cell assays and in vivo models supporting different mechanisms that could mediate the function of macroH2A1 in health span and life span. We will further discuss context-dependent and isoform-specific functions. The aim of this review is to provide guidance to assess histone variant macroH2A1 potential as a therapeutic intervention point. PMID- 29206175 TI - LiDAR-IMU Time Delay Calibration Based on Iterative Closest Point and Iterated Sigma Point Kalman Filter. Sensors 2017, 17, 539. AB - The IMU consists of three gyros and three accelerometers [...]. PMID- 29206174 TI - A Looking-Glass of Non-coding RNAs in oral cancer. AB - Oral cancer is a multifactorial pathology and is characterized by the lack of efficient treatment and accurate diagnostic tools. This is mainly due the late diagnosis; therefore, reliable biomarkers for the timely detection of the disease and patient stratification are required. Non-coding RNAs (ncRNAs) are key elements in the physiological and pathological processes of various cancers, which is also reflected in oral cancer development and progression. A better understanding of their role could give a more thorough perspective on the future treatment options for this cancer type. This review offers a glimpse into the ncRNA involvement in oral cancer, which can help the medical community tap into the world of ncRNAs and lay the ground for more powerful diagnostic, prognostic and treatment tools for oral cancer that will ultimately help build a brighter future for these patients. PMID- 29206176 TI - Kisspeptin-10 Induces beta-Casein Synthesis via GPR54 and Its Downstream Signaling Pathways in Bovine Mammary Epithelial Cells. AB - Kisspeptins (Kps) play a key role in the regulation of GnRH axis and as an anti metastasis agent by binding with GPR54. Recently, we observed that the expression of GPR54 was higher in the lactating mammary tissues of dairy cows with high quality milk (0.81 +/- 0.13 kg/day of milk protein yield; 1.07 +/- 0.18 kg/day of milk fat yield) than in those with low-quality milk (0.51 +/- 0.14 kg/day of milk protein yield; 0.67 +/- 0.22 kg/day of milk fat yield). We hypothesized that Kp 10 might regulate the milk protein, beta-casein (CSN2) synthesis via GPR54 and its downstream signaling. First, we isolated the bovine mammary epithelial cells (bMECs) from lactating Holstein dairy cows, and treated them with different concentrations of Kp-10. Compared with the control cells, the synthesis of CSN2 is significantly increased at a concentration of 100 nM of Kp-10. In addition, the increased effect of CSN2 synthesis was blocked when the cells were pre treated with the selective inhibitor of GPR54 Peptide-234 (P-234). Mechanistic study revealed that Kp-10 activated ERK1/2, AKT, mTOR and STAT5 in bMECs. Moreover, inhibiting ERK1/2, AKT, mTOR and STAT5 with U0126, MK2206, Rapamycin and AG490 could block the effects of Kp-10. Together, these results demonstrate that Kp-10 facilitates the synthesis of CSN2 via GPR54 and its downstream signaling pathways mTOR, ERK1/2, STAT5 and AKT. PMID- 29206177 TI - New Therapeutic Agent against Arterial Thrombosis: An Iridium(III)-Derived Organometallic Compound. AB - Platelet activation plays a major role in cardio and cerebrovascular diseases, and cancer progression. Disruption of platelet activation represents an attractive therapeutic target for reducing the bidirectional cross talk between platelets and tumor cells. Platinum (Pt) compounds have been used for treating cancer. Hence, replacing Pt with iridium (Ir) is considered a potential alternative. We recently developed an Ir(III)-derived complex, [Ir(Cp*)1-(2 pyridyl)-3-(2-hydroxyphenyl)imidazo[1,5-a]pyridine Cl]BF4 (Ir-11), which exhibited strong antiplatelet activity; hence, we assessed the therapeutic potential of Ir-11 against arterial thrombosis. In collagen-activated platelets, Ir-11 inhibited platelet aggregation, adenosine triphosphate (ATP) release, intracellular Ca2+ mobilization, P-selectin expression, and OH. formation, as well as the phosphorylation of phospholipase Cgamma2 (PLCgamma2), protein kinase C (PKC), mitogen-activated protein kinases (MAPKs), and Akt. Neither the adenylate cyclase inhibitor nor the guanylate cyclase inhibitor reversed the Ir 11-mediated antiplatelet effects. In experimental mice, Ir-11 prolonged the bleeding time and reduced mortality associated with acute pulmonary thromboembolism. Ir-11 plays a crucial role by inhibiting platelet activation through the inhibition of the PLCgamma2-PKC cascade, and the subsequent suppression of Akt and MAPK activation, ultimately inhibiting platelet aggregation. Therefore, Ir-11 can be considered a new therapeutic agent against either arterial thrombosis or the bidirectional cross talk between platelets and tumor cells. PMID- 29206179 TI - Antioxidant Potential of Fruit Juice with Added Chokeberry Powder (Aronia melanocarpa). AB - The purpose of this study was to determine the possibility of using chokeberry powder as a supplement in apple juice to increase the nutritional value of the final product with the aim of developing a new functional food product. Also, to determine the influence of ultrasound assisted extraction on the bioactive compounds content, nutritional composition and antioxidant potential of apple juice with added chokeberry powder. The juice samples with added chokeberry powder had higher antioxidant capacity, irrespective of the extraction technique used. Apple juice samples with added chokeberry powder treated with high intensity ultrasound had significantly higher content of all analyzed bioactive compounds. The application of high intensity ultrasound significantly reduced the extraction time of the plant material. A positive correlation between vitamin C content, total phenols, flavonoids and anthocyanins content and antioxidant capacity was determined in juice samples with added chokeberry powder treated with high intensity ultrasound. PMID- 29206178 TI - Around and beyond 53BP1 Nuclear Bodies. AB - Within the nucleus, sub-nuclear domains define territories where specific functions occur. Nuclear bodies (NBs) are dynamic structures that concentrate nuclear factors and that can be observed microscopically. Recently, NBs containing the p53 binding protein 1 (53BP1), a key component of the DNA damage response, were defined. Interestingly, 53BP1 NBs are visualized during G1 phase, in daughter cells, while DNA damage was generated in mother cells and not properly processed. Unlike most NBs involved in transcriptional processes, replication has proven to be key for 53BP1 NBs, with replication stress leading to the formation of these large chromatin domains in daughter cells. In this review, we expose the composition and organization of 53BP1 NBs and focus on recent findings regarding their regulation and dynamics. We then concentrate on the importance of the replication stress, examine the relation of 53BP1 NBs with DNA damage and discuss their dysfunction. PMID- 29206181 TI - The Relationships between PM2.5 and Meteorological Factors in China: Seasonal and Regional Variations. AB - The interactions between PM2.5 and meteorological factors play a crucial role in air pollution analysis. However, previous studies that have researched the relationships between PM2.5 concentration and meteorological conditions have been mainly confined to a certain city or district, and the correlation over the whole of China remains unclear. Whether spatial and seasonal variations exist deserves further research. In this study, the relationships between PM2.5 concentration and meteorological factors were investigated in 68 major cities in China for a continuous period of 22 months from February 2013 to November 2014, at season, year, city, and regional scales, and the spatial and seasonal variations were analyzed. The meteorological factors were relative humidity (RH), temperature (TEM), wind speed (WS), and surface pressure (PS). We found that spatial and seasonal variations of their relationships with PM2.5 exist. Spatially, RH is positively correlated with PM2.5 concentration in north China and Urumqi, but the relationship turns to negative in other areas of China. WS is negatively correlated with PM2.5 everywhere except for Hainan Island. PS has a strong positive relationship with PM2.5 concentration in northeast China and mid-south China, and in other areas the correlation is weak. Seasonally, the positive correlation between PM2.5 concentration and RH is stronger in winter and spring. TEM has a negative relationship with PM2.5 in autumn and the opposite in winter. PS is more positively correlated with PM2.5 in autumn than in other seasons. Our study investigated the relationships between PM2.5 and meteorological factors in terms of spatial and seasonal variations, and the conclusions about the relationships between PM2.5 and meteorological factors are more comprehensive and precise than before. We suggest that the variations could be considered in PM2.5 concentration prediction and haze control to improve the prediction accuracy and policy efficiency. PMID- 29206180 TI - Composition and Bioactivity of Essential Oil from Citrus grandis (L.) Osbeck 'Mato Peiyu' Leaf. AB - 'Mato Peiyu' pomelo (Citrus grandis (L.) Osbeck 'Mato Peiyu') leaves from pruning are currently an agricultural waste. The aim of this study was to isolate essential oils from these leaves through steam distillation (SD) and solvent-free microwave extraction (SFME) and to evaluate their applicability to skin care by analyzing their antimicrobial, antioxidant (diphenyl-1-picrylhydrazyl scavenging assay, beta-carotene/linoleic acid assay, and nitric oxide scavenging assay), anti-inflammatory (5-lipoxygenase inhibition assay), and antityrosinase activities. The gas chromatography-mass spectrometry results indicated that the main components of 'Mato Peiyu' leaf essential oils were citronellal and citronellol, with a total percentage of 50.71% and 59.82% for SD and SFME, respectively. The highest bioactivity among all assays was obtained for 5 lipoxygenase inhibition, with an IC50 value of 0.034% (v/v). The MIC90 of the antimicrobial activity of essential oils against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Candida albicans ranged from 0.086% to 0.121% (v/v). Citronellal and citronellol were the main contributors, accounting for at least 54.58% of the essential oil's bioactivity. This paper is the first to report the compositions and bioactivities of 'Mato Peiyu' leaf essential oil, and the results imply that the pomelo leaf essential oil may be applied in skin care. PMID- 29206182 TI - Phase-Sensitive Surface Plasmon Resonance Sensors: Recent Progress and Future Prospects. AB - Surface plasmon resonance (SPR) is an optical sensing technique that is capable of performing real-time, label-free and high-sensitivity monitoring of molecular interactions. SPR biosensors can be divided according to their operating principles into angle-, wavelength-, intensity- and phase-interrogated devices. With their complex optical configurations, phase-interrogated SPR sensors generally provide higher sensitivity and throughput, and have thus recently emerged as prominent biosensing devices. To date, several methods have been developed for SPR phase interrogation, including heterodyne detection, polarimetry, shear interferometry, spatial phase modulation interferometry and temporal phase modulation interferometry. This paper summarizes the fundamentals of phase-sensitive SPR sensing, reviews the available methods for phase interrogation of these sensors, and discusses the future prospects for and trends in the development of this technology. PMID- 29206183 TI - Gaming Device Usage Patterns Predict Internet Gaming Disorder: Comparison across Different Gaming Device Usage Patterns. AB - Gaming behaviors have been significantly influenced by smartphones. This study was designed to explore gaming behaviors and clinical characteristics across different gaming device usage patterns and the role of the patterns on Internet gaming disorder (IGD). Responders of an online survey regarding smartphone and online game usage were classified by different gaming device usage patterns: (1) individuals who played only computer games; (2) individuals who played computer games more than smartphone games; (3) individuals who played computer and smartphone games evenly; (4) individuals who played smartphone games more than computer games; (5) individuals who played only smartphone games. Data on demographics, gaming-related behaviors, and scales for Internet and smartphone addiction, depression, anxiety disorder, and substance use were collected. Combined users, especially those who played computer and smartphone games evenly, had higher prevalence of IGD, depression, anxiety disorder, and substance use disorder. These subjects were more prone to develop IGD than reference group (computer only gamers) (B = 0.457, odds ratio = 1.579). Smartphone only gamers had the lowest prevalence of IGD, spent the least time and money on gaming, and showed lowest scores of Internet and smartphone addiction. Our findings suggest that gaming device usage patterns may be associated with the occurrence, course, and prognosis of IGD. PMID- 29206184 TI - High-Density Linkage Map Construction and Mapping of Salt-Tolerant QTLs at Seedling Stage in Upland Cotton Using Genotyping by Sequencing (GBS). AB - Over 6% of agricultural land is affected by salinity. It is becoming obligatory to use saline soils, so growing salt-tolerant plants is a priority. To gain an understanding of the genetic basis of upland cotton tolerance to salinity at seedling stage, an intra-specific cross was developed from CCRI35, tolerant to salinity, as female with Nan Dan (NH), sensitive to salinity, as the male. A genetic map of 5178 SNP markers was developed from 277 F2:3 populations. The map spanned 4768.098 cM, with an average distance of 0.92 cM. A total of 66 QTLs for 10 traits related to salinity were detected in three environments (0, 110, and 150 mM salt treatment). Only 14 QTLs were consistent, accounting for 2.72% to 9.87% of phenotypic variation. Parental contributions were found to be in the ratio of 3:1, 10 QTLs from the sensitive and four QTLs from the resistant parent. Five QTLs were located in At and nine QTLs in the Dt sub-genome. Moreover, eight clusters were identified, in which 12 putative key genes were found to be related to salinity. The GBS-SNPs-based genetic map developed is the first high-density genetic map that has the potential to provide deeper insights into upland cotton salinity tolerance. The 12 key genes found in this study could be used for QTL fine mapping and cloning for further studies. PMID- 29206187 TI - A Study about Kalman Filters Applied to Embedded Sensors. AB - Over the last decade, smart sensors have grown in complexity and can now handle multiple measurement sources. This work establishes a methodology to achieve better estimates of physical values by processing raw measurements within a sensor using multi-physical models and Kalman filters for data fusion. A driving constraint being production cost and power consumption, this methodology focuses on algorithmic complexity while meeting real-time constraints and improving both precision and reliability despite low power processors limitations. Consequently, processing time available for other tasks is maximized. The known problem of estimating a 2D orientation using an inertial measurement unit with automatic gyroscope bias compensation will be used to illustrate the proposed methodology applied to a low power STM32L053 microcontroller. This application shows promising results with a processing time of 1.18 ms at 32 MHz with a 3.8% CPU usage due to the computation at a 26 Hz measurement and estimation rate. PMID- 29206185 TI - Predictive and Experimental Approaches for Elucidating Protein-Protein Interactions and Quaternary Structures. AB - The elucidation of protein-protein interactions is vital for determining the function and action of quaternary protein structures. Here, we discuss the difficulty and importance of establishing protein quaternary structure and review in vitro and in silico methods for doing so. Determining the interacting partner proteins of predicted protein structures is very time-consuming when using in vitro methods, this can be somewhat alleviated by use of predictive methods. However, developing reliably accurate predictive tools has proved to be difficult. We review the current state of the art in predictive protein interaction software and discuss the problem of scoring and therefore ranking predictions. Current community-based predictive exercises are discussed in relation to the growth of protein interaction prediction as an area within these exercises. We suggest a fusion of experimental and predictive methods that make use of sparse experimental data to determine higher resolution predicted protein interactions as being necessary to drive forward development. PMID- 29206186 TI - Genomic Characterisation of Vinegar Hill Virus, An Australian Nairovirus Isolated in 1983 from Argas Robertsi Ticks Collected from Cattle Egrets. AB - This report describes the near complete genomic sequence and subsequent analysis of Vinegar Hill virus (VINHV; tentative member of the genus Orthonairovirus, family Nairoviridae, order Bunyavirales). VINHV is the second nairovirus reported to be isolated on mainland Australia and the first to be sequenced and analysed. Our genetic analysis shows that VINHV belongs to the Dera Ghazi Khan genogroup, a group of viruses previously isolated in other parts of the world including Asia, South Africa, and the USA. We discuss possible routes of entry for nairoviruses into Australia and the need to understand the virome of Australian ticks in the context of new and emerging disease. PMID- 29206188 TI - Lightweight Biometric Sensing for Walker Classification Using Narrowband RF Links. AB - This article proposes a lightweight biometric sensing system using ubiquitous narrowband radio frequency (RF) links for path-dependent walker classification. The fluctuated received signal strength (RSS) sequence generated by human motion is used for feature representation. To capture the most discriminative characteristics of individuals, a three-layer RF sensing network is organized for building multiple sampling links at the most common heights of upper limbs, thighs, and lower legs. The optimal parameters of sensing configuration, such as the height of link location and number of fused links, are investigated to improve sensory data distinctions among subjects, and the experimental results suggest that the synergistic sensing by using multiple links can contribute a better performance. This is the new consideration of using RF links in building a biometric sensing system. In addition, two types of classification methods involving vector quantization (VQ) and hidden Markov models (HMMs) are developed and compared for closed-set walker recognition and verification. Experimental studies in indoor line-of-sight (LOS) and non-line-of-sight (NLOS) scenarios are conducted to validate the proposed method. PMID- 29206189 TI - Vision System for Coarsely Estimating Motion Parameters for Unknown Fast Moving Objects in Space. AB - Motivated by biological interests in analyzing navigation behaviors of flying animals, we attempt to build a system measuring their motion states. To do this, in this paper, we build a vision system to detect unknown fast moving objects within a given space, calculating their motion parameters represented by positions and poses. We proposed a novel method to detect reliable interest points from images of moving objects, which can be hardly detected by general purpose interest point detectors. 3D points reconstructed using these interest points are then grouped and maintained for detected objects, according to a careful schedule, considering appearance and perspective changes. In the estimation step, a method is introduced to adapt the robust estimation procedure used for dense point set to the case for sparse set, reducing the potential risk of greatly biased estimation. Experiments are conducted against real scenes, showing the capability of the system of detecting multiple unknown moving objects and estimating their positions and poses. PMID- 29206190 TI - Direct Fibrinolytic Snake Venom Metalloproteinases Affecting Hemostasis: Structural, Biochemical Features and Therapeutic Potential. AB - Snake venom metalloproteinases (SVMPs) are predominant in viperid venoms, which provoke hemorrhage and affect hemostasis and thrombosis. P-I class enzymes consist only of a single metalloproteinase domain. Despite sharing high sequence homology, only some of them induce hemorrhage. They have direct fibrin(ogen)olytic activity. Their main biological substrate is fibrin(ogen), whose Aalpha-chain is degraded rapidly and independently of activation of plasminogen. It is important to understand their biochemical and physiological mechanisms, as well as their applications, to study the etiology of some human diseases and to identify sites of potential intervention. As compared to all current antiplatelet therapies to treat cardiovascular events, the SVMPs have outstanding biochemical attributes: (a) they are insensitive to plasma serine proteinase inhibitors; (b) they have the potential to avoid bleeding risk; (c) mechanistically, they are inactivated/cleared by alpha2-macroglobulin that limits their range of action in circulation; and (d) few of them also impair platelet aggregation that represent an important target for therapeutic intervention. This review will briefly highlight the structure-function relationships of these few direct-acting fibrinolytic agents, including, barnettlysin-I, isolated from Bothrops barnetti venom, that could be considered as potential agent to treat major thrombotic disorders. Some of their pharmacological advantages are compared with plasmin. PMID- 29206191 TI - The Metal Neurotoxins: An Important Role in Current Human Neural Epidemics? AB - Many published studies have illustrated that several of the present day neurological epidemics (autism, attention deficit disorder, Alzheimer's) cannot be correlated to any single neurotoxicant. However, the present scientific examination of the numerous global blood monitoring databases for adults that include the concentrations of the neurotoxic elements, aluminum (Al), arsenic (As), lead (Pb), manganese (Mn), mercury (Hg), and selenium (Se) clearly indicate that, when considered in combination, for some, the human body may become easily over-burdened. This can be explained by changes in modern lifestyles. Similar data, solely for pregnant women, have been examined confirming this. All these elements are seen to be present in the human body and at not insignificant magnitudes. Currently suggested minimum risk levels (MRL) for humans are discussed and listed together with averages of the reported distributions, together with their spread and maximum values. One observation is that many distributions for pregnant women are not too dissimilar from those of general populations. Women obviously have their individual baseline of neurotoxin values before pregnancy and any efforts to modify this to any significant degree is not yet clearly apparent. For any element, distribution shapes are reasonably similar showing broad distributions with extended tails with numerous outlier values. There are a certain fraction of people that lie well above the MRL values and may be at risk, especially if genetically susceptible. Additionally, synergistic effects between neurotoxins and with other trace metals are now also being reported. It appears prudent for women of child-bearing age to establish their baseline values well before pregnancy. Those at risk then can be better identified. Adequate instrumental testing now is commercially available for this. In addition, directives are necessary for vaccination programs to use only non neurotoxic adjuvants, especially for young children and all women of child bearing ages. Additionally, clearer directives concerning fish consumption must now be reappraised. PMID- 29206192 TI - Evaluation of Chronic Disease Prevention and Control Public Service Advertisement on the Awareness and Attitude Change among Urban Population in Chongqing, China: A Cross-Sectional Study. AB - The aim of this study is to evaluate the influence of public service advertising on the awareness and attitude of Chongqing urban citizens. The theme of the public service advertisement launched in Chongqing was chronic disease prevention and control. A self-designed questionnaire was used in an outdoor intercept survey to collect information about the perception of citizens toward the effect of the advertisement on awareness and attitude situation. Respondents had good knowledge of chronic disease (17.11 +/- 3.23, total score: 23), but only 58.4% of participants thought cancer is one type of chronic disease. The awareness of cancer as a chronic disease among the group who had seen this advertisement (63.6%) was higher than that of the group who had not seen the advertisement (56.5%) (p = 0.046). The attitude of respondents was good after watching the advertisement, approximately 77.4% of respondents attempted to remind their family and friends to prevent chronic diseases, roughly. 78.2% tried to persuade their family and friends to change their unhealthy lifestyle habits, and 84.7% of participants reported that the advertising increased the possibility of their own future lifestyle change. There was minimal change of awareness of the participants who saw the advertisement. This study did not show significant differences on chronic disease related knowledge between the participants who have seen the advertisement and who have not seen the advertisement. The public service advertisement may help participants improve the attitude of future behavior change. Further researches combining the sustained intervention and support through clinical and community health programs media campaigns are needed to support public health. PMID- 29206194 TI - Adipose Derived Stem Cells for Corneal Wound Healing after Laser Induced Corneal Lesions in Mice. AB - The aim of our study was to assess the clinical effectiveness of topical adipose derived stem cell (ADSC) treatment in laser induced corneal wounds in mice by comparing epithelial repair, inflammation, and histological analysis between treatment arms. Corneal lesions were performed on both eyes of 40 mice by laser induced photorefractive keratectomy. All eyes were treated with topical azythromycin bid for three days. Mice were divided in three treatment groups (n = 20), which included: control, stem cells and basic serum; which received topical treatment three times daily for five consecutive days. Biomicroscope assessments and digital imaging were performed by two masked graders at 30, 54, 78, 100, and 172 h to analyze extent of fluorescein positive epithelial defect, corneal inflammation, etc. Immunohistochemical techniques were used in fixed eyes to assess corneal repair markers Ki67, alpha Smooth Muscle Actin (alpha-SMA) and E Cadherin. The fluorescein positive corneal lesion areas were significantly smaller in the stem cells group on days 1 (p < 0.05), 2 (p < 0.02) and 3. The stem cell treated group had slightly better and faster re-epithelization than the serum treated group in the initial phases. Comparative histological data showed signs of earlier and better corneal repair in epithelium and stromal layers in stem cell treated eyes, which showed more epithelial layers and enhanced wound healing performance of Ki67, E-Cadherin, and alpha-SMA. Our study shows the potential clinical and histological advantages in the topical ADSC treatment for corneal lesions in mice. PMID- 29206193 TI - Every OGT Is Illuminated ... by Fluorescent and Synchrotron Lights. AB - O6-DNA-alkyl-guanine-DNA-alkyl-transferases (OGTs) are evolutionarily conserved, unique proteins that repair alkylation lesions in DNA in a single step reaction. Alkylating agents are environmental pollutants as well as by-products of cellular reactions, but are also very effective chemotherapeutic drugs. OGTs are major players in counteracting the effects of such agents, thus their action in turn affects genome integrity, survival of organisms under challenging conditions and response to chemotherapy. Numerous studies on OGTs from eukaryotes, bacteria and archaea have been reported, highlighting amazing features that make OGTs unique proteins in their reaction mechanism as well as post-reaction fate. This review reports recent functional and structural data on two prokaryotic OGTs, from the pathogenic bacterium Mycobacterium tuberculosis and the hyperthermophilic archaeon Sulfolobus solfataricus, respectively. These studies provided insight in the role of OGTs in the biology of these microorganisms, but also important hints useful to understand the general properties of this class of proteins. PMID- 29206195 TI - Psychological Distress and Zika, Dengue and Chikungunya Symptoms Following the 2016 Earthquake in Bahia de Caraquez, Ecuador. AB - On 16 April 2016, a 7.8 magnitude earthquake struck coastal Ecuador, resulting in significant mortality and morbidity, damages to infrastructure, and psychological trauma. This event coincided with the first outbreak of Zika virus (ZIKV) and co circulation with dengue virus (DENV) and chikungunya virus (CHIKV). We tested whether the degree of psychological distress was associated with the presence of suspected DENV, CHIKV, ZIKV (DCZ) infections three months after the earthquake. In July 2016, 601 household members from four communities in Bahia de Caraquez, Manabi Province, Ecuador, were surveyed in a post-disaster health evaluation. Information was collected on demographics, physical damages and injuries, chronic diseases, self-reported psychological distress, and DCZ symptoms. We calculated the prevalence of arbovirus and distress symptoms by community. ANOVA was used to compare the mean number of psychological distress symptoms between people with versus without suspected DCZ infections by age, gender, community and the need to sleep outside of the home due to damages. The prevalence of suspected DCZ infections was 9.7% and the prevalence of psychological distress was 58.1%. The average number of psychological distress symptoms was significantly higher among people with suspected DCZ infections in the periurban community of Bella Vista, in women, in adults 40-64 years of age and in individuals not sleeping at home (p < 0.05). The results of this study highlight the need to investigate the interactions between psychological distress and arboviral infections following natural disasters. PMID- 29206197 TI - Associations between Urinary Phthalate Metabolites and Serum Anti-Muller Hormone Levels in U.S. Men Based on National Health and Nutrition Examination Survey 2003 2004. AB - Anti-Muller hormone (AMH) plays an important role in reproductive development and has a wide potential clinical application value. Phthalates have been widely found in human living environment and have negative effects on human reproduction. This study aimed to explore the relationship between urinary phthalate metabolites and serum AMH level in the general male population. Cross sectional analyses were performed with a population of 489 men aged more than 12 years who participated in National Health and Nutrition Examination Survey (NHANES) 2003-2004 by Centers for Disease Control and Prevention, the United States. NHANES public data (demographic and socioeconomic information, examinations, and laboratory tests) were analyzed using Kruskal-Wallis test, Wilcoxon test and multivariable regression. Results showed that the urine concentration of mono (3-carboxypropyl) phthalate (MCPP) of 12-20 age group was significantly positively correlated with serum AMH concentration in the model without any covariates (p < 0.05). In the 60-year-old group, the monomethyl phthalate (MEP), mono (2-ethyl-5-carboxypentyl) phthalate (MECPP) concentrations were significantly correlated with serum AMH concentrations in models both with and without covariates (all p < 0.05). It could be concluded that exposure to phthalates might have negative effects on AMH level, especially in seniors. AMH could be used as a marker of exposure to phthalates in aged males. How exposure to phthalates affected AMH level and what the potential long-term health consequences of their relationship are needs more investigation. PMID- 29206198 TI - Genome-Wide Comprehensive Analysis the Molecular Phylogenetic Evaluation and Tissue-Specific Expression of SABATH Gene Family in Salvia miltiorrhiza. AB - The plant SABATH gene family is a group of O-methyltransferases (O-MTs), which belongs to the S-adenosyl-l-methionine-dependent methyltransferases (SAM-MTs). The resulting reaction products of SABATH genes play an important role in various processes of plant development. In this study, a total of 30 SABATH genes were detected in Salvia miltiorrhiza, which is an important medicinal plant, widely used to treat cardiovascular disease. Multiple sequence alignment and phylogenetic analyses showed that SmSABATH genes could be classified into three groups. The ratios of non-synonymous (Ka) and synonymous (Ks) substitution rates of 11 pairs paralogous of SmSABATH genes revealed that the SmSABATH genes had gone through purifying selection. Positive selection analyses using site models and branch-site models indicated that SmSABATH genes had undergone selective pressure for adaptive evolution. Functional divergence analyses suggested that the SmSABATH subgroup genes were divergent in terms of functions and positive selection sites that contributed to a functional divergence among the subgroups that were detected. Tissue-specific expression showed that the SABATH gene family in S. miltiorrhiza was primarily expressed in stems and leaves. PMID- 29206196 TI - The FKBP51 Glucocorticoid Receptor Co-Chaperone: Regulation, Function, and Implications in Health and Disease. AB - Among the chaperones and co-chaperones regulating the glucocorticoid receptor (GR), FK506 binding protein (FKBP) 51 is the most intensely investigated across different disciplines. This review provides an update on the role of the different co-chaperones of Hsp70 and Hsp90 in the regulation of GR function. The development leading to the focus on FKBP51 is outlined. Further, a survey of the vast literature on the mechanism and function of FKBP51 is provided. This includes its structure and biochemical function, its regulation on different levels-transcription, post-transcription, and post-translation-and its function in signaling pathways. The evidence portraying FKBP51 as a scaffolding protein organizing protein complexes rather than a chaperone contributing to the folding of individual proteins is collated. Finally, FKBP51's involvement in physiology and disease is outlined, and the promising efforts in developing drugs targeting FKBP51 are discussed. PMID- 29206199 TI - A Novel Receptor Tyrosine Kinase Switch Promotes Gastrointestinal Stromal Tumor Drug Resistance. AB - The fact that most gastrointestinal stromal tumors (GISTs) acquire resistance to imatinib (IM)-based targeted therapy remains the main driving force to identify novel molecular targets that are capable to increase GISTs sensitivity to the current therapeutic regimens. Secondary resistance to IM in GISTs typically occurs due to several mechanisms that include hemi- or homo-zygous deletion of the wild-type KIT allele, overexpression of focal adhesion kinase (FAK) and insulin-like growth factor receptor I (IGF-1R) amplification, BRAF mutation, a RTK switch (loss of c-KIT and gain of c-MET/AXL), etc. We established and characterized the IM-resistant GIST T-1 cell line (GIST T-1R) lacking secondary c KIT mutations typical for the IM-resistant phenotype. The resistance to IM in GIST T-1R cells was due to RTK switch (loss of c-KIT/gain of FGFR2alpha). Indeed, we have found that FGFR inhibition reduced cellular viability, induced apoptosis and affected the growth kinetics of the IM-resistant GISTs in vitro. In contrast, IM-naive GIST T-1 parental cells were not susceptible to FGFR inhibition. Importantly, inhibition of FGF-signaling restored the susceptibility to IM in IM resistant GISTs. Additionally, IM-resistant GISTs were less susceptible to certain chemotherapeutic agents as compared to parental IM-sensitive GIST cells. The chemoresistance in GIST T-1R cells is not due to overexpression of ABC related transporter proteins and might be the result of upregulation of DNA damage signaling and repair (DDR) genes involved in DNA double-strand break (DSB) repair pathways (e.g., XRCC3, Rad51, etc.). Taken together, the established GIST T-1R cell subline might be used for in vitro and in vivo studies to examine the efficacy and prospective use of FGFR inhibitors for patients with IM-resistant, un-resectable and metastatic forms of GISTs with the type of RTK switch indicated above. PMID- 29206200 TI - l-Glutamine Attenuates Apoptosis Induced by Endoplasmic Reticulum Stress by Activating the IRE1alpha-XBP1 Axis in IPEC-J2: A Novel Mechanism of l-Glutamine in Promoting Intestinal Health. AB - Intestinal absorption and barrier malfunctions are associated with endoplasmic reticulum stress (ERS) in the intestine. We induced ERS by exposing the intestinal porcine epithelial cell line J2 (IPEC-J2) to tunicamycin (TUNI) to explore the potential of l-glutamine to reduce ERS-induced apoptosis. Our experiments demonstrated that exposing cells to TUNI results in spontaneous ERS and encourages the upregulation of glucose-regulated protein 78 (GRP78). Prolonged TUNI-induced ERS was found to increase apoptosis mediated by C/enhancer binding protein homologous protein (CHOP), accompanied by GRP78 downregulation. Treatment with l-glutamine was found to promote cell proliferation within the growth medium but to have little effect in basic Dulbecco's modified Eagle medium. Finally, in the milieu of TUNI-induced ERS, l-glutamine was found to maintain a high level of GRP78, alleviate CHOP-mediated apoptosis and activate the inositol requiring enzyme 1alpha (IRE1alpha)-X-box binding protein 1 (XBP1) axis. A specific inhibitor of the IRE1alpha-XBP1 axis reversed the protective effect of l-glutamine by blocking the expression of IRE1alpha/XBP1s. We propose that the functional effect of l-glutamine on intestinal health may be partly due to its modulation of ERS and CHOP-mediated apoptosis. PMID- 29206201 TI - Selection on the Major Color Gene Melanocortin-1-Receptor Shaped the Evolution of the Melanocortin System Genes. AB - Modular genetic systems and networks have complex evolutionary histories shaped by selection acting on single genes as well as on their integrated function within the network. However, uncovering molecular coevolution requires the detection of coevolving sites in sequences. Detailed knowledge of the functions of each gene in the system is also necessary to identify the selective agents driving coevolution. Using recently developed computational tools, we investigated the effect of positive selection on the coevolution of ten major genes in the melanocortin system, responsible for multiple physiological functions and human diseases. Substitutions driven by positive selection at the melanocortin-1-receptor (MC1R) induced more coevolutionary changes on the system than positive selection on other genes in the system. Contrarily, selection on the highly pleiotropic POMC gene, which orchestrates the activation of the different melanocortin receptors, had the lowest coevolutionary influence. MC1R and possibly its main function, melanin pigmentation, seems to have influenced the evolution of the melanocortin system more than functions regulated by MC2-5Rs such as energy homeostasis, glucocorticoid-dependent stress and anti-inflammatory responses. Although replication in other regulatory systems is needed, this suggests that single functional aspects of a genetic network or system can be of higher importance than others in shaping coevolution among the genes that integrate it. PMID- 29206202 TI - Bioconverted Orostachys japonicas Extracts Suppress Angiogenic Activity of Ms-1 Endothelial Cells. AB - Orostachys japonicus A. Berger (), known as Wa-song in Korea, has been reported to exert various biological effects, such as anti-tumor, anti-oxidant, and anti febrile effects. However, the anti-angiogenic effects of O.japonicus extracts remain to be investigated. In the present study, we demonstrated the anti angiogenic effects of bioconverted O. japonicus extract (BOE) in Ms-1 mouse endothelial cells and compared them with the bioactivities of O. japonicus extract (OE). BOE, but not OE, were found to exert anti-angiogenic effects, including inhibition of cell migration, cell adhesion, tube formation of Ms-1 cells, and blood vessel formation of matrigel plug assay in vivo. Furthermore, protein levels of phosphorylated Src kinase were lower in BOE-treated cells than in OE-treated cells. Treatment with OE or BOE did not influence cell viability during the experimental period. Bioconverted extract of O.japonicus have anti angiogenic effects in vitro and vivo, but non-bioconverted extract do not. We suggest that these observed anti-angiogenic effects are caused by the changes in the composition of bioactive compounds in the extracts as a result of biological conversion. PMID- 29206203 TI - De Novo RNA Sequencing and Expression Analysis of Aconitum carmichaelii to Analyze Key Genes Involved in the Biosynthesis of Diterpene Alkaloids. AB - Aconitum carmichaelii is an important medicinal herb used widely in China, Japan, India, Korea, and other Asian countries. While extensive research on the characterization of metabolic extracts of A. carmichaelii has shown accumulation of numerous bioactive metabolites including aconitine and aconitine-type diterpene alkaloids, its biosynthetic pathway remains largely unknown. Biosynthesis of these secondary metabolites is tightly controlled and mostly occurs in a tissue-specific manner; therefore, transcriptome analysis across multiple tissues is an attractive method to identify the molecular components involved for further functional characterization. In order to understand the biosynthesis of secondary metabolites, Illumina-based deep transcriptome profiling and analysis was performed for four tissues (flower, bud, leaf, and root) of A. carmichaelii, resulting in 5.5 Gbps clean RNA-seq reads assembled into 128,183 unigenes. Unigenes annotated as possible rate-determining steps of an aconitine-type biosynthetic pathway were highly expressed in the root, in accordance with previous reports describing the root as the accumulation site for these metabolites. We also identified 21 unigenes annotated as cytochrome P450s and highly expressed in roots, which represent candidate unigenes involved in the diversification of secondary metabolites. Comparative transcriptome analysis of A. carmichaelii with A. heterophyllum identified 20,232 orthogroups, representing 30,633 unigenes of A. carmichaelii, gene ontology enrichment analysis of which revealed essential biological process together with a secondary metabolic process to be highly enriched. Unigenes identified in this study are strong candidates for aconitine-type diterpene alkaloid biosynthesis, and will serve as useful resources for further validation studies. PMID- 29206205 TI - An All-Glass Microfluidic Network with Integrated Amorphous Silicon Photosensors for on-Chip Monitoring of Enzymatic Biochemical Assay. AB - A lab-on-chip system, integrating an all-glass microfluidics and on-chip optical detection, was developed and tested. The microfluidic network is etched in a glass substrate, which is then sealed with a glass cover by direct bonding. Thin film amorphous silicon photosensors have been fabricated on the sealed microfluidic substrate preventing the contamination of the micro-channels. The microfluidic network is then made accessible by opening inlets and outlets just prior to the use, ensuring the sterility of the device. The entire fabrication process relies on conventional photolithographic microfabrication techniques and is suitable for low-cost mass production of the device. The lab-on-chip system has been tested by implementing a chemiluminescent biochemical reaction. The inner channel walls of the microfluidic network are chemically functionalized with a layer of polymer brushes and horseradish peroxidase is immobilized into the coated channel. The results demonstrate the successful on-chip detection of hydrogen peroxide down to 18 MUM by using luminol and 4-iodophenol as enhancer agent. PMID- 29206206 TI - Anneal-Hardening Behavior of Cr-Fe-C Alloy Deposits Prepared in a Cr3+-Based Bath with Fe2+ Ions. AB - Cr-Fe-C alloy deposits were successfully prepared on high-carbon tool steel in a Cr3+-based electroplating bath containing Fe2+ ions and suitable complex agents. A Cr-based alloy deposit was obtained with an electroplating current density higher than 25 Adm-2, and a Fe-based alloy deposit was obtained using a current density of 20 Adm-2. Following electroplating, these alloy deposited specimens were annealed via rapid thermal annealing (RTA) at 500 degrees C for different periods up to 30 s. The experimental results show that Cr- and Fe-based alloy deposits could be significantly hardened after RTA at 500 degrees C for a few seconds. The maximum hardness was that of the Cr-Fe-C alloy deposit annealed at 500 degrees C for 10 s. The maximum hardness of 1205 Hv was detected from the annealed Cr-based alloy deposit prepared with 30 ASD. The hardening mechanism of annealed Cr- and Fe-based alloy deposits is attributed to the precipitation of C related membranes. The hardness values of the annealed Cr- and Fe-based alloy deposits increase with the increasing degree of crystallization of the C-related membranes. PMID- 29206204 TI - Antioxidants Protect against Arsenic Induced Mitochondrial Cardio-Toxicity. AB - Arsenic is a potent cardiovascular toxicant associated with numerous biomarkers of cardiovascular diseases in exposed human populations. Arsenic is also a carcinogen, yet arsenic trioxide is used as a therapeutic agent in the treatment of acute promyelotic leukemia (APL). The therapeutic use of arsenic is limited due to its severe cardiovascular side effects. Many of the toxic effects of arsenic are mediated by mitochondrial dysfunction and related to arsenic's effect on oxidative stress. Therefore, we investigated the effectiveness of antioxidants against arsenic induced cardiovascular dysfunction. A growing body of evidence suggests that antioxidant phytonutrients may ameliorate the toxic effects of arsenic on mitochondria by scavenging free radicals. This review identifies 21 antioxidants that can effectively reverse mitochondrial dysfunction and oxidative stress in cardiovascular cells and tissues. In addition, we propose that antioxidants have the potential to improve the cardiovascular health of millions of people chronically exposed to elevated arsenic concentrations through contaminated water supplies or used to treat certain types of leukemias. Importantly, we identify conceptual gaps in research and development of new mito protective antioxidants and suggest avenues for future research to improve bioavailability of antioxidants and distribution to target tissues in order reduce arsenic-induced cardiovascular toxicity in a real-world context. PMID- 29206207 TI - Terpenoids from Octocorals of the Genus Pachyclavularia. AB - In this paper, we reviewed natural compounds isolated from octocorals belonging to the genus Pachyclavularia, including 20 cembrane-, 39 briarane-, and eight briarellin-related diterpenoids, and one secosterol. The chemical constituents of these 68 secondary metabolites, and their names, structures, and bioactivities, along with studies of their biological activities, are summarized in this review. Based on the literature, many of these compounds possess bioactivities, including anti-inflammation properties, cytotoxicity, and ichthyotoxicity, suggesting that they may have the potential to be developed into biomedical agents for treatment. PMID- 29206208 TI - A RNA-Seq Analysis of the Response of Photosynthetic System to Low Nitrogen Supply in Maize Leaf. AB - Nitrogen is a major limiting factor for crop productivity. The relationship between photosynthesis and nitrogen nutrition has been widely studied. However, the molecular response of leaf photosynthesis to low nitrogen supply in crops is less clear. In this study, RNA sequencing technology (RNA-Seq) was used to investigate the gene expressions related to photosynthesis in maize in response to low nitrogen supply. It was found that low nitrogen supply down-regulated the expression of genes involved in photosystem I (PSI) and photosystem II (PSII). Thus, low nitrogen supply down-regulated the expression of genes related to the antenna system, reduced light absorption, light transport, and electron transport. Correspondingly, the parameters related to chlorophyll fluorescence were very sensitive to nitrogen deficiency. Under low nitrogen supply, leaf chlorophyll content, actual quantum yield of PSII photochemistry, photochemical quenching, and electron transport rate, were reduced. However, the thermal diffusion and chlorophyll fluorescence were increased. RNA-Seq was used to analyze the genes involved in the response of leaf photosynthesis to low nitrogen supply in maize. These results highlight the possibility of utilizing chlorophyll fluorescence parameters, and the related genes, as indicators for plant nitrogen nutrition. This could lead to the development of new tools to make precise nitrogen fertilizer recommendations and select nitrogen-efficient genotypes. PMID- 29206209 TI - Dioscorea quinqueloba Ameliorates Oxazolone- and 2,4-Dinitrochlorobenzene-induced Atopic Dermatitis Symptoms in Murine Models. AB - Dioscorea quinqueloba has been used for food substances, as well as in herbal medicines for allergic diseases such as asthma. This study aimed to investigate the anti-atopic dermatitis (AD) effects of the total extract of D. quinqueloba rhizomes and active fractionson murine oxazolone- and 2,4-dinitrochlorobenzene induced models of AD. Specific AD symptoms, such as erythema, ear swelling, and epidermis thickening, were significantly reduced in the oxazolone-mediated AD BALB/c mice upon topical application of D. quinqueloba rhizomes 95% EtOH extract (DQ). DQEA (D. quinqueloba rhizomes EtOAc fraction) was beneficial for protecting the skin barrier against AD in DNCB-sensitized SKH-1 hairless mice. Decreased total serum IgE and IL-4 levels could be observed in atopic dorsal skin samples of the DQEA-treated group. On the basis of the phytochemical analysis, DQEA was found to contain dioscin and gracillin as its main compounds. Therapeutic applications with D. quinqueloba might be useful in the treatment of AD and related inflammatory skin diseases. PMID- 29206210 TI - Immortalization of Porcine 11beta-Hydroxysteroid Dehydrogenase Type 1-Transgenic Liver Cells Using SV40 Large T Antigen. AB - Cortisol is a steroid hormone essential to the maintenance of homeostasis that is released in response to stress and low blood glucose concentration. Cortisol is converted from cortisone by 11betahydroxysteroid dehydrogenase type 1 (HSD11B1). It has been reported that too much cortisol or overexpression of HSD11B1 induces obesity and the insulin resistance that accompanies metabolic syndrome in rodent adipose tissue. In our previous study, HSD11B1-transgenic (TG) fibroblasts were established, and a porcine model was generated by SCNT using those fibroblasts. Hepatocytes overexpressing HSD11B1 were obtained from livers of this porcine model and cultured in vitro. However, the primary hepatocytes were found to have a short life span or low proliferation rate. To overcome these problems, the SV40 large T antigen was transduced into primary HSD11B1-TG hepatocytes, and those cells were immortalized. Immortalized HSD11B1-TG hepatocytes showed restored morphology, more rapid proliferation rate, and more expression of HSD11B1 than primary hepatocytes. As well, these cells kept the hepatic characteristics such as gluconeogenic response to cortisone and increased expression of hepatic makers. The immortalized HSD11B1-TG hepatocytes may be useful for studying traits and potential therapeutic drugs for treatment of metabolic disorders induced by overexpression of HSD11B1. PMID- 29206211 TI - The Imbalance between n-6/n-3 Polyunsaturated Fatty Acids and Inflammatory Bowel Disease: A Comprehensive Review and Future Therapeutic Perspectives. AB - Eating habits have changed dramatically over the years, leading to an imbalance in the ratio of n-6/n-3 polyunsaturated fatty acids (PUFAs) in favour of n-6 PUFAs, particularly in the Western diet. Meanwhile, the incidence of inflammatory bowel disease (IBD) is increasing worldwide. Recent epidemiological data indicate the potential beneficial effect of n-3 PUFAs in ulcerative colitis (UC) prevention, whereas consumption of a higher ratio of n-6 PUFAs versus n-3 PUFAs has been associated with an increased UC incidence. The long-chain dietary n-3 PUFAs are the major components of n-3 fish oil and have been shown to have anti inflammatory properties in several chronic inflammatory disorders, being involved in the regulation of immunological and inflammatory responses. Despite experimental evidence implying biological plausibility, clinical data are still controversial, especially in Crohn's disease. Clinical trials of fish-oil derivatives in IBD have produced mixed results, showing beneficial effects, but failing to demonstrate a clear protective effect in preventing clinical relapse. Such data are insufficient to make a recommendation for the use of n-3 PUFAs in clinical practice. Here, we present the findings of a comprehensive literature search on the role of n-3 PUFAs in IBD development and treatment, and highlight new therapeutic perspectives. PMID- 29206212 TI - Quartz Crystal Microbalance Electronic Interfacing Systems: A Review. AB - Quartz Crystal Microbalance (QCM) sensors are actively being implemented in various fields due to their compatibility with different operating conditions in gaseous/liquid mediums for a wide range of measurements. This trend has been matched by the parallel advancement in tailored electronic interfacing systems for QCM sensors. That is, selecting the appropriate electronic circuit is vital for accurate sensor measurements. Many techniques were developed over time to cover the expanding measurement requirements (e.g., accommodating highly-damping environments). This paper presents a comprehensive review of the various existing QCM electronic interfacing systems. Namely, impedance-based analysis, oscillators (conventional and lock-in based techniques), exponential decay methods and the emerging phase-mass based characterization. The aforementioned methods are discussed in detail and qualitatively compared in terms of their performance for various applications. In addition, some theoretical improvements and recommendations are introduced for adequate systems implementation. Finally, specific design considerations of high-temperature microbalance systems (e.g., GaPO4 crystals (GCM) and Langasite crystals (LCM)) are introduced, while assessing their overall system performance, stability and quality compared to conventional low-temperature applications. PMID- 29206213 TI - Duloxetine Protects against Oxaliplatin-Induced Neuropathic Pain and Spinal Neuron Hyperexcitability in Rodents. AB - Oxaliplatin is a widely used chemotherapy agent, but induces serious peripheral neuropathy. Duloxetine is a dual reuptake inhibitor of serotonin and norepinephrine, and is shown to be effective against pain. However, whether and how duloxetine can attenuate oxaliplatin-induced allodynia in rodents is not clearly understood. A single injection of oxaliplatin (6 mg/kg, intraperitoneal; i.p.) induced a cold and mechanical allodynia, which was assessed by acetone and von Frey filament tests, respectively. When significant allodynic signs were observed, three different doses of duloxetine (10, 30, and 60 mg/kg, i.p.) were injected. Administration of 30 and 60 mg/kg of duloxetine significantly reduced the allodynia, whereas 10 mg/kg did not. By using an in vivo extracellular recording method, we further confirmed that 30 mg/kg of duloxetine could significantly inhibit the hyperexcitability of spinal wide dynamic range (WDR) cells. The anti-allodynic effect of duloxetine was completely blocked by an intrathecal injection of phentolamine (non-selective alpha-adrenergic receptor antagonist, 20 MUg), or prazosin (alpha1-adrenergic receptor antagonists, 10 MUg); however, idazoxan (alpha2-adrenergic receptor antagonist, 10 MUg) did not block it. In conclusion, we suggest that duloxetine may have an effective protective action against oxaliplatin-induced neuropathic pain and spinal hyperexcitability, which is mediated by spinal alpha1-adrenergic receptors. PMID- 29206215 TI - Dynamic Spectrum Access for Internet of Things Service in Cognitive Radio-Enabled LPWANs. AB - In this paper, we focus on a dynamic spectrum access strategy for Internet of Things (IoT) applications in two types of radio systems: cellular networks and cognitive radio-enabled low power wide area networks (CR-LPWANs). The spectrum channel contention between the licensed cellular networks and the unlicensed CR LPWANs, which work with them, only takes place within the cellular radio spectrum range. Our aim is to maximize the spectrum capacity for the unlicensed users while ensuring that it never interferes with the licensed network. Therefore, in this paper we propose a dynamic spectrum access strategy for CR-LPWANs operating in both licensed and unlicensed bands. The simulation and the numerical analysis by using a matrix geometric approach for the strategy are presented. Finally, we obtain the blocking probability of the licensed users, the mean dwell time of the unlicensed user, and the total carried traffic and combined service quality for the licensed and unlicensed users. The results show that the proposed strategy can maximize the spectrum capacity for the unlicensed users using IoT applications as well as keep the service quality of the licensed users independent of them. PMID- 29206214 TI - Immunotherapy for Prostate Cancer: Where We Are Headed. AB - Prostate cancer is one of the most common malignant neoplasms in men worldwide, and is the fifth cause of cancer-related death. In recent years, a new generation of therapies have been approved for the management of metastatic disease. Moreover, the development of new immunotherapeutic drugs has become a novel frontier for the treatment of several tumor types; to date, numerous studies have investigated their potential activity, including in prostate cancer. In this article, we discuss the role of emerging immunotherapeutic drugs in prostate cancer patients. PMID- 29206217 TI - Synthesis of a Novel Polyethoxysilsesquiazane and Thermal Conversion into Ternary Silicon Oxynitride Ceramics with Enhanced Thermal Stability. AB - A novel polyethoxysilsesquiazane ([EtOSi(NH)1.5]n, EtOSZ) was synthesized by ammonolysis at -78 degrees C of ethoxytrichlorosilane (EtOSiCl3), which was isolated by distillation as a reaction product of SiCl4 and EtOH. Attenuated total reflection-infra red (ATR-IR), 13C-, and 29Si-nuclear magnetic resonance (NMR) spectroscopic analyses of the ammonolysis product resulted in the detection of Si-NH-Si linkage and EtO group. The simultaneous thermogravimetric and mass spectrometry analyses of the EtOSZ under helium revealed cleavage of oxygen carbon bond of the EtO group to evolve ethylene as a main gaseous species formed in-situ, which lead to the formation at 800 degrees C of quaternary amorphous Si C-N with an extremely low carbon content (1.1 wt %) when compared to the theoretical EtOSZ (25.1 wt %). Subsequent heat treatment up to 1400 degrees C in N2 lead to the formation of X-ray amorphous ternary Si-O-N. Further heating to 1600 degrees C in N2 promoted crystallization and phase partitioning to afford Si2N2O nanocrystallites identified by the XRD and TEM analyses. The thermal stability up to 1400 degrees C of the amorphous state achieved for the ternary Si-O-N was further studied by chemical composition analysis, as well as X-ray photoelectron spectroscopy (XPS) and 29Si-NMR spectroscopic analyses, and the results were discussed aiming to develop a novel polymeric precursor for ternary amorphous Si-O-N ceramics with an enhanced thermal stability. PMID- 29206216 TI - Bioactive Steroids and Saponins of the Genus Trillium. AB - The species of the genus Trillium (Melanthiaceae alt. Trilliaceae) include perennial herbs with characteristic rhizomes mainly distributed in Asia and North America. Steroids and saponins are the main classes of phytochemicals present in these plants. This review summarizes and discusses the current knowledge on their chemistry, as well as the in vitro and in vivo studies carried out on the extracts, fractions and isolated pure compounds from the different species belonging to this genus, focusing on core biological properties, i.e., cytotoxic, antifungal and anti-inflammatory activities. PMID- 29206218 TI - Mountain hare transcriptome and diagnostic markers as resources to monitor hybridization with European hares. AB - We report the first mountain hare (Lepus timidus) transcriptome, produced by de novo assembly of RNA-sequencing reads. Data were obtained from eight specimens sampled in two localities, Alps and Ireland. The mountain hare tends to be replaced by the invading European hare (Lepus europaeus) in their numerous contact zones where the species hybridize, which affects their gene pool to a yet unquantified degree. We characterize and annotate the mountain hare transcriptome, detect polymorphism in the two analysed populations and use previously published data on the European hare (three specimens, representing the European lineage of the species) to identify 4 672 putative diagnostic sites between the species. A subset of 85 random independent SNPs was successfully validated using PCR and Sanger sequencing. These valuable genomic resources can be used to design tools to assess population status and monitor hybridization between species. PMID- 29206219 TI - Long-term monitoring of coral reef fish assemblages in the Western central pacific. AB - Throughout the tropics, coral reef ecosystems, which are critically important to people, have been greatly altered by humans. Differentiating human impacts from natural drivers of ecosystem state is essential to effective management. Here we present a dataset from a large-scale monitoring program that surveys coral reef fish assemblages and habitats encompassing the bulk of the US-affiliated tropical Pacific, and spanning wide gradients in both natural drivers and human impact. Currently, this includes >5,500 surveys from 39 islands and atolls in Hawaii (including the main and Northwestern Hawaiian Islands) and affiliated geo political regions of American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, and the Pacific Remote Islands Areas. The dataset spans 2010-2017, during which time, each region was visited at least every three years, and ~500 1,000 surveys performed annually. This standardised dataset is a powerful resource that can be used to understand how human, environmental and oceanographic conditions influence coral reef fish community structure and function, providing a basis for research to support effective management outcomes. PMID- 29206220 TI - MatchingLand, geospatial data testbed for the assessment of matching methods. AB - This article presents datasets prepared with the aim of helping the evaluation of geospatial matching methods for vector data. These datasets were built up from mapping data produced by official Spanish mapping agencies. The testbed supplied encompasses the three geometry types: point, line and area. Initial datasets were submitted to geometric transformations in order to generate synthetic datasets. These transformations represent factors that might influence the performance of geospatial matching methods, like the morphology of linear or areal features, systematic transformations, and random disturbance over initial data. We call our 11 GiB benchmark data 'MatchingLand' and we hope it can be useful for the geographic information science research community. PMID- 29206221 TI - Corrigendum: Transcriptomic profiling of 39 commonly-used neuroblastoma cell lines. AB - This corrects the article DOI: 10.1038/sdata.2017.33. PMID- 29206222 TI - Corrigendum: The Coral Trait Database, a curated database of trait information for coral species from the global oceans. AB - This corrects the article DOI: 10.1038/sdata.2016.17. PMID- 29206223 TI - A model of the onset of the senescence associated secretory phenotype after DNA damage induced senescence. AB - Cells and tissues are exposed to stress from numerous sources. Senescence is a protective mechanism that prevents malignant tissue changes and constitutes a fundamental mechanism of aging. It can be accompanied by a senescence associated secretory phenotype (SASP) that causes chronic inflammation. We present a Boolean network model-based gene regulatory network of the SASP, incorporating published gene interaction data. The simulation results describe current biological knowledge. The model predicts different in-silico knockouts that prevent key SASP mediators, IL-6 and IL-8, from getting activated upon DNA damage. The NF-kappaB Essential Modulator (NEMO) was the most promising in-silico knockout candidate and we were able to show its importance in the inhibition of IL-6 and IL-8 following DNA-damage in murine dermal fibroblasts in-vitro. We strengthen the speculated regulator function of the NF-kappaB signaling pathway in the onset and maintenance of the SASP using in-silico and in-vitro approaches. We were able to mechanistically show, that DNA damage mediated SASP triggering of IL-6 and IL-8 is mainly relayed through NF-kappaB, giving access to possible therapy targets for SASP-accompanied diseases. PMID- 29206224 TI - Efficient encoding of motion is mediated by gap junctions in the fly visual system. AB - Understanding the computational implications of specific synaptic connectivity patterns is a fundamental goal in neuroscience. In particular, the computational role of ubiquitous electrical synapses operating via gap junctions remains elusive. In the fly visual system, the cells in the vertical-system network, which play a key role in visual processing, primarily connect to each other via axonal gap junctions. This network therefore provides a unique opportunity to explore the functional role of gap junctions in sensory information processing. Our information theoretical analysis of a realistic VS network model shows that within 10 ms following the onset of the visual input, the presence of axonal gap junctions enables the VS system to efficiently encode the axis of rotation, theta, of the fly's ego motion. This encoding efficiency, measured in bits, is near-optimal with respect to the physical limits of performance determined by the statistical structure of the visual input itself. The VS network is known to be connected to downstream pathways via a subset of triplets of the vertical system cells; we found that because of the axonal gap junctions, the efficiency of this subpopulation in encoding theta is superior to that of the whole vertical system network and is robust to a wide range of signal to noise ratios. We further demonstrate that this efficient encoding of motion by this subpopulation is necessary for the fly's visually guided behavior, such as banked turns in evasive maneuvers. Because gap junctions are formed among the axons of the vertical system cells, they only impact the system's readout, while maintaining the dendritic input intact, suggesting that the computational principles implemented by neural circuitries may be much richer than previously appreciated based on point neuron models. Our study provides new insights as to how specific network connectivity leads to efficient encoding of sensory stimuli. PMID- 29206225 TI - Task relevance modulates the behavioural and neural effects of sensory predictions. AB - The brain is thought to generate internal predictions to optimize behaviour. However, it is unclear whether predictions signalling is an automatic brain function or depends on task demands. Here, we manipulated the spatial/temporal predictability of visual targets, and the relevance of spatial/temporal information provided by auditory cues. We used magnetoencephalography (MEG) to measure participants' brain activity during task performance. Task relevance modulated the influence of predictions on behaviour: spatial/temporal predictability improved spatial/temporal discrimination accuracy, but not vice versa. To explain these effects, we used behavioural responses to estimate subjective predictions under an ideal-observer model. Model-based time-series of predictions and prediction errors (PEs) were associated with dissociable neural responses: predictions correlated with cue-induced beta-band activity in auditory regions and alpha-band activity in visual regions, while stimulus-bound PEs correlated with gamma-band activity in posterior regions. Crucially, task relevance modulated these spectral correlates, suggesting that current goals influence PE and prediction signalling. PMID- 29206226 TI - Merging FT-IR and NGS for simultaneous phenotypic and genotypic identification of pathogenic Candida species. AB - The rapid and accurate identification of pathogen yeast species is crucial for clinical diagnosis due to the high level of mortality and morbidity induced, even after antifungal therapy. For this purpose, new rapid, high-throughput and reliable identification methods are required. In this work we described a combined approach based on two high-throughput techniques in order to improve the identification of pathogenic yeast strains. Next Generation Sequencing (NGS) of ITS and D1/D2 LSU marker regions together with FTIR spectroscopy were applied to identify 256 strains belonging to Candida genus isolated in nosocomial environments. Multivariate data analysis (MVA) was carried out on NGS and FT-IR data-sets, separately. Strains of Candida albicans, C. parapsilosis, C. glabrata and C. tropicalis, were identified with high-throughput NGS sequencing of ITS and LSU markers and then with FTIR. Inter- and intra-species variability was investigated by consensus principal component analysis (CPCA) which combines high dimensional data of the two complementary analytical approaches in concatenated PCA blocks normalized to the same weight. The total percentage of correct identification reached around 97.4% for C. albicans and 74% for C. parapsilosis while the other two species showed lower identification rates. Results suggested that the identification success increases with the increasing number of strains actually used in the PLS analysis. The absence of reliable FT-IR libraries in the current scenario is the major limitation in FTIR-based identification of strains, although this metabolomics fingerprint represents a valid and affordable aid to rapid and high-throughput to clinical diagnosis. According to our data, FT-IR libraries should include some tens of certified strains per species, possibly over 50, deriving from diverse sources and collected over an extensive time period. This implies a multidisciplinary effort of specialists working in strain isolation and maintenance, molecular taxonomy, FT-IR technique and chemo-metrics, data management and data basing. PMID- 29206227 TI - Slam protein dictates subcellular localization and translation of its own mRNA. AB - Many mRNAs specifically localize within the cytoplasm and are present in RNA protein complexes. It is generally assumed that localization and complex formation of these RNAs are controlled by trans-acting proteins encoded by genes different than the RNAs themselves. Here, we analyze slow as molasses (slam) mRNA that prominently colocalizes with its encoded protein at the basal cortical compartment during cellularization. The functional implications of this striking colocalization have been unknown. Here, we show that slam mRNA translation is spatiotemporally controlled. We found that translation was largely restricted to the onset of cellularization when Slam protein levels at the basal domain sharply increase. slam mRNA was translated locally, at least partially, as not yet translated mRNA transiently accumulated at the basal region. Slam RNA accumulated at the basal domain only if Slam protein was present. Furthermore, a slam RNA with impaired localization but full coding capacity was only weakly translated. We detected a biochemical interaction of slam mRNA and protein as demonstrated by specific co-immunoprecipitation from embryonic lysate. The intimate relationship of slam mRNA and protein may constitute a positive feedback loop that facilitates and controls timely and rapid accumulation of Slam protein at the prospective basal region. PMID- 29206228 TI - Spatial relationships between above-ground biomass and bird species biodiversity in Palawan, Philippines. AB - This study maps distribution and spatial congruence between Above-Ground Biomass (AGB) and species richness of IUCN listed conservation-dependent and endemic avian fauna in Palawan, Philippines. Grey Level Co-Occurrence Texture Matrices (GLCMs) extracted from Landsat and ALOS-PALSAR were used in conjunction with local field data to model and map local-scale field AGB using the Random Forest algorithm (r = 0.92 and RMSE = 31.33 Mg.ha-1). A support vector regression (SVR) model was used to identify the factors influencing variation in avian species richness at a 1km scale. AGB is one of the most important determinants of avian species richness for the study area. Topographic factors and anthropogenic factors such as distance from the roads were also found to strongly influence avian species richness. Hotspots of high AGB and high species richness concentration were mapped using hotspot analysis and the overlaps between areas of high AGB and avian species richness was calculated. Results show that the overlaps between areas of high AGB with high IUCN red listed avian species richness and endemic avian species richness were fairly limited at 13% and 8% at the 1-km scale. The overlap between 1) low AGB and low IUCN richness, and 2) low AGB and low endemic avian species richness was higher at 36% and 12% respectively. The enhanced capacity to spatially map the correlation between AGB and avian species richness distribution will further assist the conservation and protection of forest areas and threatened avian species. PMID- 29206229 TI - pSSAlib: The partial-propensity stochastic chemical network simulator. AB - Chemical reaction networks are ubiquitous in biology, and their dynamics is fundamentally stochastic. Here, we present the software library pSSAlib, which provides a complete and concise implementation of the most efficient partial propensity methods for simulating exact stochastic chemical kinetics. pSSAlib can import models encoded in Systems Biology Markup Language, supports time delays in chemical reactions, and stochastic spatiotemporal reaction-diffusion systems. It also provides tools for statistical analysis of simulation results and supports multiple output formats. It has previously been used for studies of biochemical reaction pathways and to benchmark other stochastic simulation methods. Here, we describe pSSAlib in detail and apply it to a new model of the endocytic pathway in eukaryotic cells, leading to the discovery of a stochastic counterpart of the cut-out switch motif underlying early-to-late endosome conversion. pSSAlib is provided as a stand-alone command-line tool and as a developer API. We also provide a plug-in for the SBMLToolbox. The open-source code and pre-packaged installers are freely available from http://mosaic.mpi-cbg.de. PMID- 29206230 TI - Decisional balance and processes of change in community-recruited with moderate high versus mild severity of cannabis dependence. AB - Decisional Balance and Processes of Change are generally addressed in motivational interventions for the treatment of cannabis use disorders. However, specific aspects of these multifaceted constructs, with greater relevance for severe cannabis users, need to be ascertained to enable better interventions. This study aimed to compare the different facets of decisional balance and processes of change between mild and severe cannabis users in a community-based sample of young undergraduates. Thirty-one severe cannabis users and 31 mild cannabis users, indicated with the Severity of Dependence Scale, were assessed using the Decisional Balance Questionnaire (DBQ) and the Processes of Change Questionnaire (PCQ). We found that severe cannabis users had higher scores in the DBQ dimensions of Utilitarian Gains for the Self, Utilitarian Gains for Significant Others, and Self-approval, as well as in the total subscale of Gains but not Losses. The group of severe cannabis users also had higher scores in the PCQ dimensions of Self-revaluations and Counter-conditioning. Our results pinpoint specific dimensions of Decisional Balance and Processes of Change that are endorsed by severe cannabis users. This knowledge could be applied to inform motivational interventions targeting severe cannabis users. PMID- 29206232 TI - Behavioral testing of mice exposed to intermediate frequency magnetic fields indicates mild memory impairment. AB - Human exposure to intermediate frequency magnetic fields (MF) is increasing due to applications like electronic article surveillance systems and induction heating cooking hobs. However, limited data is available on their possible health effects. The present study assessed behavioral and histopathological consequences of exposing mice to 7.5 kHz MF at 12 or 120 MUT for 5 weeks. No effects were observed on body weight, spontaneous activity, motor coordination, level of anxiety or aggression. In the Morris swim task, mice in the 120 MUT group showed less steep learning curve than the other groups, but did not differ from controls in their search bias in the probe test. The passive avoidance task indicated a clear impairment of memory over 48 h in the 120 MUT group. No effects on astroglial activation or neurogenesis were observed in the hippocampus. The mRNA expression of brain-derived neurotrophic factor did not change but expression of the proinflammatory cytokine tumor necrosis factor alpha mRNA was significantly increased in the 120 MUT group. These findings suggest that 7.5 kHz MF exposure may lead to mild learning and memory impairment, possibly through an inflammatory reaction in the hippocampus. PMID- 29206231 TI - Cancer-type dependent expression of CK2 transcripts. AB - A multitude of proteins are aberrantly expressed in cancer cells, including the oncogenic serine-threonine kinase CK2. In a previous report, we found increases in CK2 transcript expression that could explain the increased CK2 protein levels found in tumors from lung and bronchus, prostate, breast, colon and rectum, ovarian and pancreatic cancers. We also found that, contrary to the current notions about CK2, some CK2 transcripts were downregulated in several cancers. Here, we investigate all other cancers using Oncomine to determine whether they also display significant CK2 transcript dysregulation. As anticipated from our previous analysis, we found cancers with all CK2 transcripts upregulated (e.g. cervical), and cancers where there was a combination of upregulation and/or downregulation of the CK2 transcripts (e.g. sarcoma). Unexpectedly, we found some cancers with significant downregulation of all CK2 transcripts (e.g. testicular cancer). We also found that, in some cases, CK2 transcript levels were already dysregulated in benign lesions (e.g. Barrett's esophagus). We also found that CK2 transcript upregulation correlated with lower patient survival in most cases where data was significant. However, there were two cancer types, glioblastoma and renal cell carcinoma, where CK2 transcript upregulation correlated with higher survival. Overall, these data show that the expression levels of CK2 genes is highly variable in cancers and can lead to different patient outcomes. PMID- 29206233 TI - Genome-wide admixture and association study of subclinical atherosclerosis in the Women's Interagency HIV Study (WIHS). AB - Cardiovascular disease (CVD) is a major comorbidity among HIV-infected individuals. Common carotid artery intima-media thickness (cCIMT) is a valid and reliable subclinical measure of atherosclerosis and is known to predict CVD. We performed genome-wide association (GWA) and admixture analysis among 682 HIV positive and 288 HIV-negative Black, non-Hispanic women from the Women's Interagency HIV study (WIHS) cohort using a combined and stratified analysis approach. We found some suggestive associations but none of the SNPs reached genome-wide statistical significance in our GWAS analysis. The top GWAS SNPs were rs2280828 in the region intergenic to mediator complex subunit 30 and exostosin glycosyltransferase 1 (MED30 | EXT1) among all women, rs2907092 in the catenin delta 2 (CTNND2) gene among HIV-positive women, and rs7529733 in the region intergenic to family with sequence similarity 5, member C and regulator of G protein signaling 18 (FAM5C | RGS18) genes among HIV-negative women. The most significant local European ancestry associations were in the region intergenic to the zinc finger and SCAN domain containing 5D gene and NADH: ubiquinone oxidoreductase complex assembly factor 1 (ZSCAN5D | NDUF1) pseudogene on chromosome 19 among all women, in the region intergenic to vomeronasal 1 receptor 6 pseudogene and zinc finger protein 845 (VN1R6P | ZNF845) gene on chromosome 19 among HIV-positive women, and in the region intergenic to the SEC23-interacting protein and phosphatidic acid phosphatase type 2 domain containing 1A (SEC23IP | PPAPDC1A) genes located on chromosome 10 among HIV-negative women. A number of previously identified SNP associations with cCIMT were also observed and included rs2572204 in the ryanodine receptor 3 (RYR3) and an admixture region in the secretion-regulating guanine nucleotide exchange factor (SERGEF) gene. We report several SNPs and gene regions in the GWAS and admixture analysis, some of which are common across HIV-positive and HIV-negative women as demonstrated using meta analysis, and also across the two analytic approaches (i.e., GWA and admixture). These findings suggest that local European ancestry plays an important role in genetic associations of cCIMT among black women from WIHS along with other environmental factors that are related to CVD and may also be triggered by HIV. These findings warrant confirmation in independent samples. PMID- 29206235 TI - Hybrid precoding based on matrix-adaptive method for multiuser large-scale antenna arrays. AB - Massive multiple-input multiple-output (MIMO) is envisioned to offer a considerable improvement in capacity, but it has a high cost and the radio frequency (RF) chain components have a high power consumption at high frequency. To address this problem, a hybrid analog and digital precoding scheme has been studied recently, which restricts the number of RF chains to far less than the number of antenna elements. In this paper, we consider the downlink communication of a massive multiuser multiple-input single-output (MU-MISO) system and propose an iterative hybrid precoding algorithm to approach the capacity performance of the traditional full digital precoding scheme. We aim to attain a large baseband gain by zero-forcing (ZF) digital precoding on the equivalent channel and then minimize the total power to obtain the optimal RF precoder. Simulation results show that the proposed method can approach the performance of the conventional fully digital precoding with a low computational complexity. PMID- 29206234 TI - Markers of epithelial-to-mesenchymal transition reflect tumor biology according to patient age and Gleason score in prostate cancer. AB - INTRODUCTION: Prostate carcinoma (PRAD) is one of the most frequently diagnosed malignancies amongst men worldwide. It is well-known that androgen receptor (AR) plays a pivotal role in a vast majority of prostate tumors. However, recent evidence emerged stating that estrogen receptors (ERs) may also contribute to prostate tumor development. Moreover, progression and aggressiveness of prostate cancer may be associated with differential expression genes of epithelial-to mesenchymal transition (EMT). Therefore we aimed to assess the significance of receptors status as well as EMT marker genes expression among PRAD patients in accordance to their age and Gleason score. MATERIALS AND METHODS: We analyzed TCGA gene expression profiles of 497 prostate tumor samples according to 43 genes involved in EMT and 3 hormone receptor genes (AR, ESR1, ESR2) as well as clinical characteristic of cancer patients. Then patients were divided into four groups according to their age and 5 groups according to Gleason score. Next, we evaluated PRAD samples according to relationship between the set of variables in different combinations and compared differential expression in subsequent groups of patients. The analysis was applied using R packages: FactoMineR, gplots, RColorBrewer and NMF. RESULTS: MFA analysis resulted in distinct grouping of PRAD patients into four age categories according to expression level of AR, ESR1 and ESR2 with the most distinct group of age less than 50 years old. Further investigations indicated opposite expression profiles of EMT markers between different age groups as well as strong association of EMT gene expression with Gleason score. We found that depending on age of prostate cancer patients and Gleason score EMT genes with distinctly altered expression are: KRT18, KRT19, MUC1 and COL4A1, CTNNB1, SNAI2, ZEB1 and MMP3. CONCLUSIONS: Our major observation is that prostate cancer from patients under 50 years old compared to older ones has entirely different EMT gene expression profiles showing potentially more aggressive invasive phenotype, despite Gleason score classification. PMID- 29206236 TI - Structural basis for the substrate selectivity of Helicobacter pylori NucT nuclease activity. AB - The Phospholipase D (PLD) superfamily of proteins includes a group of enzymes with nuclease activity on various nucleic acid substrates. Here, with the aim of better understanding the substrate specificity determinants in this subfamily, we have characterised the enzymatic activity and the crystal structure of NucT, a nuclease implicated in Helicobacter pylori purine salvage and natural transformation and compared them to those of its bacterial and mammalian homologues. NucT exhibits an endonuclease activity with a strong preference for single stranded nucleic acids substrates. We identified histidine124 as essential for the catalytic activity of the protein. Comparison of the NucT crystal structure at 1.58 A resolution reported here with those of other members of the sub-family suggests that the specificity of NucT for single-stranded nucleic acids is provided by the width of a positively charged groove giving access to the catalytic site. PMID- 29206237 TI - One year follow-up after a randomized controlled trial of a 130 g/day low carbohydrate diet in patients with type 2 diabetes mellitus and poor glycemic control. AB - BACKGROUND & AIMS: Recently, we conducted a prospective randomized controlled trial (RCT) showing that a 6-month 130g/day low-carbohydrate diet (LCD) reduced HbA1c and BMI more than a calorie restricted diet (CRD). [1] To assess whether the benefits of the LCD persisted after the intensive intervention, we compared HbA1c and BMI between the LCD and CRD groups at 1 year after the end of the 6 month RCT. METHODS: Following the end of the 6-month RCT, patients were allowed to manage their own diets with periodic outpatient visits. One year later, we analyzed clinical and nutrition data. RESULTS: Of the 66 participants in the original study, 27 in the CRD group and 22 in the LCD group completed this trial. One year after the end of the original RCT, the carbohydrate intake was comparable between the groups (215 [189-243]/day in the CRD group and 214 (176 262) g/day in the LCD group). Compared with the baseline data, HbA1c and BMI were decreased in both groups (CRD: HbA1c -0.4 [-0.9 to 0.3] % and BMI -0.63 [-1.20 to 0.18] kg/m2; LCD: HbA1c -0.35 [-1.0 to 0.35] % and BMI -0.77 [-1.15 to -0.12] kg/m2). There were no significant differences in HbA1c and BMI between the groups. CONCLUSIONS: One year after the diet therapy intervention, the beneficial effect of the LCD on reduction of HbA1c and BMI did not persist in comparison with CRD. However, combining the data of both groups, significant improvements in HbA1c and BMI from baseline were observed. Although the superiority of the LCD disappeared 1 year after the intensive intervention, these data suggest that well constructed nutrition therapy programs, both CRD and LCD, were equally effective in improving HbA1c for at least 1 year. TRIAL REGISTRATION: University Hospital Medical Information Network (UMIN) ID000010663. PMID- 29206238 TI - Site-level progression of periodontal disease during a follow-up period. AB - Periodontal disease is assessed and its progression is determined via observations on a site-by-site basis. Periodontal data are complex and structured in multiple levels; thus, applying a summary statistical approach (i.e., the mean) for site-level evaluations results in loss of information. Previous studies have shown the availability of mixed effects modeling. However, clinically beneficial information on the progression of periodontal disease during the follow-up period is not available. We conducted a multicenter prospective cohort study. Using mixed effects modeling, we analyzed 18,834 sites distributed on 3,139 teeth in 124 patients, and data were collected 5 times over a 24-month follow-up period. The change in the clinical attachment level (CAL) was used as the outcome variable. The CAL at baseline was an important determinant of the CAL changes, which varied widely according to the tooth surface. The salivary levels of periodontal pathogens, such as Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans, were affected by CAL progression. "Linear"- and "burst" type patterns of CAL progression occurred simultaneously within the same patient. More than half of the teeth that presented burst-type progression sites also presented linear-type progression sites, and most of the progressions were of the linear type. Maxillary premolars and anterior teeth tended to show burst-type progression. The parameters identified in this study may guide practitioners in determining the type and extent of treatment needed at the site and patient levels. In addition, these results show that prior hypotheses concerning "burst" and "linear" theories are not valid. PMID- 29206239 TI - Type 1 diabetes alters lipid handling and metabolism in human fibroblasts and peripheral blood mononuclear cells. AB - Triggers of the autoimmune response that leads to type 1 diabetes (T1D) remain poorly understood. A possibility is that parallel changes in both T cells and target cells provoke autoimmune attack. We previously documented greater Ca2+ transients in fibroblasts from T1D subjects than non-T1D after exposure to fatty acids (FA) and tumor necrosis factor alpha (TNFalpha). These data indicate that metabolic and signal transduction defects present in T1D can be elicited ex vivo in isolated cells. Changes that precede T1D, including inflammation, may activate atypical responses in people that are genetically predisposed to T1D. To identify such cellular differences in T1D, we quantified a panel of metabolic responses in fibroblasts and peripheral blood cells (PBMCs) from age-matched T1D and non-T1D subjects, as models for non-immune and immune cells, respectively. Fibroblasts from T1D subjects accumulated more lipid, had higher LC-CoA levels and converted more FA to CO2, with less mitochondrial proton leak in response to oleate alone or with TNFalpha, using the latter as a model of inflammation. T1D-PBMCs contained and also accumulated more lipid following FA exposure. In addition, they formed more peroxidized lipid than controls following FA exposure. We conclude that both immune and non-immune cells in T1D subjects differ from controls in terms of responses to FA and TNFalpha. Our results suggest a differential sensitivity to inflammatory insults and FA that may precede and contribute to T1D by priming both immune cells and their targets for autoimmune reactions. PMID- 29206241 TI - Corrigendum: Differential Regulation of Thyroid Hormone Metabolism Target Genes during Non-thyroidal Illness Syndrome Triggered by Fasting or Sepsis in Adult Mice. AB - [This corrects the article on p. 828 in vol. 8, PMID: 29118715.]. PMID- 29206240 TI - Influence of an immunodominant herpes simplex virus type 1 CD8+ T cell epitope on the target hierarchy and function of subdominant CD8+ T cells. AB - Herpes simplex virus type 1 (HSV-1) latency in sensory ganglia such as trigeminal ganglia (TG) is associated with a persistent immune infiltrate that includes effector memory CD8+ T cells that can influence HSV-1 reactivation. In C57BL/6 mice, HSV-1 induces a highly skewed CD8+ T cell repertoire, in which half of CD8+ T cells (gB-CD8s) recognize a single epitope on glycoprotein B (gB498-505), while the remainder (non-gB-CD8s) recognize, in varying proportions, 19 subdominant epitopes on 12 viral proteins. The gB-CD8s remain functional in TG throughout latency, while non-gB-CD8s exhibit varying degrees of functional compromise. To understand how dominance hierarchies relate to CD8+ T cell function during latency, we characterized the TG-associated CD8+ T cells following corneal infection with a recombinant HSV-1 lacking the immunodominant gB498-505 epitope (S1L). S1L induced a numerically equivalent CD8+ T cell infiltrate in the TG that was HSV-specific, but lacked specificity for gB498-505. Instead, there was a general increase of non-gB-CD8s with specific subdominant epitopes arising to codominance. In a latent S1L infection, non-gB-CD8s in the TG showed a hierarchy targeting different epitopes at latency compared to at acute times, and these cells retained an increased functionality at latency. In a latent S1L infection, these non-gB-CD8s also display an equivalent ability to block HSV reactivation in ex vivo ganglionic cultures compared to TG infected with wild type HSV-1. These data indicate that loss of the immunodominant gB498-505 epitope alters the dominance hierarchy and reduces functional compromise of CD8+ T cells specific for subdominant HSV-1 epitopes during viral latency. PMID- 29206242 TI - Corrigendum: The Diversity of Sequence and Chromosomal Distribution of New Transposable Element-Related Segments in the Rye Genome Revealed by FISH and Lineage Annotation. AB - [This corrects the article on p. 1706 in vol. 8, PMID: 29046683.]. PMID- 29206243 TI - Corrigendum: Novel Peripherally Restricted Cannabinoid 1 Receptor Selective Antagonist TXX-522 with Prominent Weight-Loss Efficacy in Diet Induced Obese Mice. AB - [This corrects the article on p. 707 in vol. 8, PMID: 29051736.]. PMID- 29206244 TI - Corrigendum: Glycemia Is Related to Impaired Cerebrovascular Autoregulation after Severe Pediatric Traumatic Brain Injury: A Retrospective Observational Study. AB - [This corrects the article on p. 205 in vol. 5, PMID: 28993802.]. PMID- 29206245 TI - Correction: Liu et al., Dynamics of GnRH Neuron Ionotropic GABA and Glutamate Synaptic Receptors Are Unchanged during Estrogen Positive and Negative Feedback in Female Mice (eNeuro September/October 2017, 4(5) e0259-17.2017 1-14 http://dx.doi.org/10.1523/ENEURO.0259-17.2017). AB - [This corrects the article DOI: 10.1523/ENEURO.0259-17.2017.][This corrects the article DOI: 10.1523/ENEURO.0259-17.2017.]. PMID- 29206246 TI - Corrigendum: Foot Placement Characteristics and Plantar Pressure Distribution Patterns during Stepping on Ground in Neonates. AB - [This corrects the article on p. 784 in vol. 8, PMID: 29066982.]. PMID- 29206247 TI - Erratum: Rare case of conus medullaris glioblastoma multiforme in a teenager. AB - [This corrects the article on p. 234 in vol. 8, PMID: 29026670.]. PMID- 29206248 TI - Corrigendum: Dose-Dependent and Lasting Influences of Intranasal Vasopressin on Face Processing in Men. AB - [This corrects the article on p. 220 in vol. 8, PMID: 29018407.]. PMID- 29206249 TI - Facile formation of mesoporous structured mixed-phase (anatase/rutile) TiO2 with enhanced visible light photocatalytic activity. AB - A new mixed-phase (anatase/rutile) TiO2 with mesoporous structures and smaller crystal size (3-5 nm) was successfully synthesized by a facile sol-gel method at a lower calcination temperature (100 degrees C). Rhodamine B can be completely decomposed in the presence of the as-synthesized nanocomposite after only 60 minutes under visible light. Therefore it is believed to be a promising candidate for wastewater treatment. PMID- 29206250 TI - Sequential energy transfer followed by electron transfer in a BODIPY bisstyrylBODIPY bound to C60 triad via a 'two-point' binding strategy. AB - Excitation transfer from 1BODIPY* to bisstyrylBODIPY followed by electron transfer to C60 leading to a charge separated state of appreciable lifetime in a supramolecularly assembled triad is demonstrated, as a mimic of the photosynthetic 'antenna-reaction centre'. PMID- 29206251 TI - Synthesis and characterization of AgGaS2 nanoparticles: a study of growth and fluorescence. AB - Silver gallium sulfide nanocrystals were synthesized and characterized by fluorescence, TEM, EDS, and XRD to better understand the material system with an ideal band gap of 2.7 eV. The crystals were found to nucleate in the monoclinic structure, and develop two fluorescence peaks (650, 460 nm) influenced by stoichiometry. PMID- 29206252 TI - Two mixed-addenda Nb/W polyoxometalate-based hybrid compounds containing multicopper units: synthesis, structures, and electrochemical and magnetic properties. AB - Two mixed-addenda Nb/W polyoxometalate (POM)-based hybrid compounds, [CuICu(MU3 OH)(H2O)6(trz)3]2(PW9Nb3O40).13H2O (1) and [CuICu(MU3 OH)(H2O)4(Htrz)(trz)3]2(PW9Nb3O40).13H2O (2), were synthesized under hydrothermal conditions. Single-crystal X-ray diffraction revealed that compound 1 contains planar triangular tricopper {Cu(MU3-OH)(trz)3} units, and these tricopper units link to each other to form a 1D anti-parallel chain. CuI ions connect the 1D chains by the coordination of trz ligands to form 2D layers in the ab plane. Compound 2 contains the same tricopper {Cu(MU3-OH)(trz)3} units as well as bicopper {Cu(Htrz)2} units. The tricopper units also form 1D chains and the bicopper units connect the 1D chains to form similar 2D layers and finally construct the 3D framework. In both compounds, each Nb/W mixed-addenda Keggin {PW9Nb3O40} unit links eight tricopper units to generate the final 3D structure. Magnetism studies indicate anti-ferromagnetic exchange interactions among the CuII ions within the tricopper units, with JCu-Cu values of -209.3 and -200.8 cm 1 in 1 and 2, respectively. PMID- 29206253 TI - Floating rGO-based black membranes for solar driven sterilization. AB - This paper presents a new steam sterilization approach that uses a solar-driven evaporation system at the water/air interface. Compared to the conventional solar autoclave, this new steam sterilization approach via interfacial evaporation requires no complex system design to bear high steam pressure. In such a system, a reduced graphene oxide/polytetrafluoroethylene composite membrane floating at the water/air interface serves as a light-to-heat conversion medium to harvest and convert incident solar light into localized heat. Such localized heat raises the temperature of the membrane substantially and helps generate steam with a temperature higher than 120 degrees C. A sterilization device that takes advantage of the interfacial solar-driven evaporation system was built and its successful sterilization capability was demonstrated through both chemical and biological sterilization tests. The interfacial evaporation-based solar driven sterilization approach offers a potential low cost solution to meet the need for sterilization in undeveloped areas that lack electrical power but have ample solar radiation. PMID- 29206254 TI - Curcumin as a functional food-derived factor: degradation products, metabolites, bioactivity, and future perspectives. AB - Curcumin is a polyphenol found in turmeric (Curcuma longa), used as a spice, in food coloring, and as a traditional herbal medicine. It has been shown that curcumin has health benefits such as antioxidant, anti-inflammatory, and anticancer properties, improvement of brain function, and control of obesity and diabetes. However, native curcumin easily degrades and has low oral bioavailability, and a recent report has expressed doubt about curcumin's various effects. To overcome its low bioavailability, various curcumin formulations with enhanced bioavailability are currently being developed. This review discusses the chemistry, metabolism, and absorption of curcumin, to which various reported health benefits have been ascribed, as well as curcumin's degradation products and metabolites and their possible functions. Moreover, the research trend towards the obesity- and diabetes-preventing/suppressing aspects of curcumin and the latest case studies on highly water-dispersible and bioavailable curcumin formulations will be discussed. We summarize the challenges concerning research on curcumin's health benefits as follows: clarifying the relationship between curcumin's health benefits and the formation of curcumin-derived oxidation and degradation products and metabolites, determining whether curcumin itself or other components in turmeric are responsible for its effects, and conducting further human trials in which multiple research groups employ the same samples and conditions. High-bioavailability formulations would be useful in such future studies. PMID- 29206255 TI - First principles investigation of tunnel FETs based on nanoribbons from topological two-dimensional materials. AB - We explore nanoribbons from topological two-dimensional stanene as a channel material in tunnel field effect transistors. This novel technological option offers the possibility of building pure one-dimensional (1D) channel devices (comprised of a 1D chain of atoms) due to localized states placed at the nanoribbon edges. The investigation is based on first-principles calculations and multi-scale transport simulations to assess the performance of devices against industry requirements and their robustness with respect to technological issues like line edge roughness, detrimental for nanoribbons. We will show that edge states are robust with respect to the presence of non-idealities (e.g., atom vacancies at the edges), and that 1D-channel TFETs exhibit interesting potential for digital applications and room for optimization in order to improve the ION/IOFF at the levels required by the ITRS, while opening a path for the exploration of new device concepts at the ultimate scaling limits. PMID- 29206256 TI - Chiral reagents in glycosylation and modification of carbohydrates. AB - Carbohydrates play a significant role in numerous biological events, and the chemical synthesis of carbohydrates is vital for further studies to understand their various biological functions. Due to the structural complexity of carbohydrates, the stereoselective formation of glycosidic linkages and the site selective modification of hydroxyl groups are very challenging and at the same time extremely important. In recent years, the rapid development of chiral reagents including both chiral auxiliaries and chiral catalysts has significantly improved the stereoselectivity for glycosylation reactions and the site selectivity for the modification of carbohydrates. These new tools will greatly facilitate the efficient synthesis of oligosaccharides, polysaccharides, and glycoconjugates. In this tutorial review, we will summarize these advances and highlight the most recent examples. PMID- 29206257 TI - Role of surface adsorption in tuning the properties of black phosphorus. AB - H2O and O2 are believed to be key factors that influence the structural stability of black phosphorus (BP) in ambient conditions. In this work, the interactions of H2O and/or O2 with BP are investigated using first-principles calculations. The results indicate that water molecules prefer to adsorb on the BP surface and form a six-member water ring. The dissociation barrier of O2 is significantly reduced in the presence of H2O, which dramatically promotes the degradation of BP. Moreover, the introduction of O2 also facilitates the adsorption of water on the surface. The effects of H2O and/or O2 on the quasiparticle band gap and exciton binding energy of BP are also investigated. The results suggest that water adsorption has only a slight influence on the electronic properties and exciton binding energy, while O2 adsorption causes obvious changes in the properties of BP, which results in a direct-to-indirect band gap transition in BP. PMID- 29206259 TI - Nurse Educators: Leading Health Care to the Quadruple Aim Sweet Spot. PMID- 29206260 TI - Faculty and Student Incivility in Undergraduate Nursing Education: An Integrative Review. AB - BACKGROUND: Incivility is a critical issue in undergraduate nursing education. Uncivil acts in academia are increasing and have the potential to affect future nursing practice and patient safety outcomes. METHOD: An integrative literature review was completed to describe faculty-to-student and student-to-faculty incivility in undergraduate nursing education. RESULTS: Seventeen studies were included in the review. Four themes emerged from the data: (a) Detrimental to Health and Well-Being, (b) Disruption to the Teaching-Learning Environment, (c) Stress as a Catalyst, and (d) Incivility Incites Incivility. CONCLUSION: The results support data that incivility has harmful physical and psychological effects on both faculty and students, and also disturbs the teaching-learning environment. Causes of un-civil acts have been highlighted to provide groundwork for schools of nursing to implement strategies for mitigating incivility. [J Nurs Educ. 2017;56(12):709-716.]. PMID- 29206258 TI - In vitro inhibition of pancreatic alpha-amylase by spherical and polygonal starch nanoparticles. AB - Nanoparticles are novel and fascinating materials for tuning the activities of enzymes. In this study, we investigated the influence of spherical and polygonal starch nanoparticles (SNPs) on alpha-amylase activity and revealed the reaction mechanisms by ultraviolet-visible spectrophotometry, fluorescence spectroscopy, and circular dichroism (CD) spectroscopy. We discovered that both spherical and polygonal SNPs could inhibit the alpha-amylase activity, with half-inhibitory concentration values of 0.304 and 0.019 mg mL-1, respectively. Furthermore, spherical and polygonal SNPs followed competitive and mixed competitive inhibition mechanisms, respectively. The fluorescence data indicated that static quenching was dominant in the interaction between SNPs and alpha-amylase. The CD results demonstrated that the inhibition of alpha-amylase by SNPs was accompanied by the decreased intensity of the CD spectra of alpha-amylase. Our findings provide a novel strategy to inhibit alpha-amylase to reduce the digestion of starch, thus managing blood glucose levels. PMID- 29206261 TI - Internet-Generation Nursing Students' View of Technology-Based Health Care. AB - BACKGROUND: Today's nursing school applicants are considered "digital natives." This study investigated students' views of new health care technologies. METHOD: In a cross-sectional survey among first-year nursing students, 23 common nursing activities and five telehealth nursing activities were presented along with three statements: "I consider this a core task of nursing," "I look forward to becoming trained in this task," and "I think I will do very well in performing this task." RESULTS: Internet-generation nursing students (n = 1,113) reported a significantly (p ? .001) less positive view of telehealth activities than of common nursing activities. Median differences were 0.7 (effect size [ES], -0.54), 0.4 (ES, -0.48), and 0.3 (ES, -0.39), measured on a 7-point scale. CONCLUSION: Internet-generation nursing students do not naturally have a positive view of technology-based health care provision. The results emphasize that adequate technology and telehealth education is still needed for nursing students. [J Nurs Educ. 2017;56(12):717-724.]. PMID- 29206262 TI - SBIRT Education for Nurse Practitioner Students: Integration Into an MSN Program. AB - BACKGROUND: Substance use disorders are a major public health problem. As primary care providers, nurse practitioners (NPs) must be proficient at screening, identifying, and intervening for at-risk patients. Screening, brief intervention, and referral to treatment (SBIRT) is a well-established, evidence-based model for teaching behavioral health skills to health care providers. It is vital that Master of Science in Nursing (MSN)-NP programs incorporate SBIRT into their curricula. METHOD: SBIRT content was mapped to 10 courses across an MSN-NP program. Methods of integration included readings, lectures, case studies, role plays, tutorials, symposia, and test questions, as well as tracking the use of SBIRT during clinical preceptorships. RESULTS: A total of 139 online and on campus MSN-NP students were trained. Data demonstrate students successfully implemented SBIRT in precepted clinical settings. CONCLUSION: This approach provides a framework for integrating SBIRT training into MSN-NP curricula. [J Nurs Educ. 2017;56(12):725-732.]. PMID- 29206263 TI - Improving Clinical Nursing Judgment in Prelicensure Students. AB - BACKGROUND: Available models for designing the structure of specific simulation based learning (SBL) activities need further analysis. METHOD: This retrospective study was conducted using independent samples t tests to examine differences in mean clinical nursing judgment development scores between students who completed a nursing program prior to the introduction of an experiential learning theory (ELT)-based simulation design and students who completed the program after the adoption of its use for all scenario-based SBL activities. RESULTS: Results showed a significant increase in clinical nursing judgment at both the beginning and end of a baccalaureate program in which all scenario-based SBL used an ELT design. CONCLUSION: Consistency with International Nursing Association for Clinical Simulation and Learning standards of best practice and the use of ELT in SBL can improve student outcomes by fostering the development of clinical nursing judgment. [J Nurs Educ. 2017;56(12):733-736.]. PMID- 29206264 TI - RN-to-BSN Students' Quality Improvement Knowledge, Skills, Confidence, and Systems Thinking. AB - BACKGROUND: Little evidence demonstrates that RN-to-baccalaureate nursing (BSN) graduates have met The Essentials of Baccalaureate Education for Professional Nursing Practice-specifically, evidence of the graduates' organizational and systems leadership related to quality care and patient safety. This BSN Essentials reflects the QSEN quality improvement (QI) competency. The purpose of this pilot study was to develop and test an assessment strategy to measure RN-to BSN students' QI competence and their perception of QI knowledge and skills. METHOD: Students (N = 59) from six RN-to-BSN programs participated in a Qualtrics survey e-mailed during the last semester of their program. RESULTS: The majority of students (60%) reported that they did not experience QI content in their program. Scores on QI knowledge, skills, and systems thinking were low, yet the students self-reported that they were confident in their ability to perform QI. CONCLUSION: This pilot study provides an assessment strategy to measure students' competence related to QI. Nursing education has an opportunity to integrate and measure QI competence to ensure that nurses have the knowledge and skills to continually improve patient care. [J Nurs Educ. 2017;56(12):737-740.]. PMID- 29206265 TI - Students' Perceptions of the Psychological Well-Being of a Transgender Client Through Simulation. AB - BACKGROUND: The need to address mental health concerns for transgender clients is imperative. Nursing curricula must prepare students to provide holistic care for individuals within this community. The purpose of this study was to explore undergraduate nursing students' experiences providing mental health care for a transgender client through simulation. METHOD: Focus group interviews were conducted with data analyzed using content analysis. RESULTS: The three categories that emerged were limited experience addressing mental health needs, intervening with client anxiety with the subcategories of prioritizing care and collaboration, and therapeutic nurse-client relationship with the subcategory of therapeutic communication. CONCLUSION: Nursing students must be prepared to provide holistic care for transgender individuals. Simulation allowed students to assess the client and evaluate their therapeutic communication in a safe learning environment. Further understanding of mental health care needs of transgender clients is essential for the promotion of their well-being. [J Nurs Educ. 2017;56(12):741-744.]. PMID- 29206266 TI - Innovative Approach to Senior Practicum Students. AB - BACKGROUND: Traditional senior practicum experiences (SPEs) are microsystem based they allow senior nursing students the opportunity to build professional nursing competencies as they transition into practice. As health care transformation continues unabated, there is a need to work toward closing the gap between nursing academia and nursing practice. METHOD: A cardiovascular service line created an innovative SPE to better prepare senior nursing students for working as professional nurses in a service line model. RESULTS: The Senior Practicum Immersion Experience (SPIE) proved to be beneficial to senior practicum students and offered firsthand experience of the role professional nurses play in a service line model. This model increased the number of senior practicum students accepted into the cardiac service line by 50%. CONCLUSION: The SPIE creates an innovative solution to increasing the number of senior practicum students while allowing students the ability to learn and practice in a service line model. [J Nurs Educ. 2017;56(12):745-747.]. PMID- 29206267 TI - Innovative Intraprofessional Clinical Training for Clinical Nurse Specialists and Nurse Practitioner Students. AB - BACKGROUND: Most graduate nursing education curricula naturally segregate students by role as they move into their role-specific coursework and clinical experiences. Segregation diminishes the opportunity for students to form important intraprofessional relationships. Intraprofessional collaboration can potentiate the influence of advanced practice nurses on individual patients, patient populations, and larger health care systems. METHOD: This pilot program paired clinical nurse specialists and nurse practitioner students in immersion clinical practicum experiences aimed to increase their understanding of each other's role and potential avenues for collaboration in future practice. RESULTS: Students report increased levels of understanding of each other's roles and scope of practice. Pairing students in immersion experiences broadens their clinical reach and potentiates their influence on vulnerable patient populations. CONCLUSION: Findings indicate that this pilot program can be sustained. Benefits to early and focused intraprofessional educational experiences include increased awareness of advanced practice roles, scope of practice, and potential avenues for future collaboration. [J Nurs Educ. 2017;56(12):748-751.]. PMID- 29206268 TI - Infusing Systems and Quality Improvement Throughout an Undergraduate Nursing Curriculum. AB - BACKGROUND: Nurse educators are constantly revising curricula to ensure that graduating nurses have the requisite skills for today's fast-paced, rapidly changing, nonlinear complex care environment. Key nursing education and practice organizations identify systems thinking and quality improvement as essential skills for nurses at the point of care. METHOD: Systems thinking and quality improvement were embedded across a Bachelor of Nursing (BSN) curriculum in a manner that does not dislocate other, more traditional content. RESULTS: To date, approximately 500 students have been exposed to the new BSN curriculum. Sustainable approaches, preliminary results, lessons learned, and recommendations for sustainability and replication are discussed. CONCLUSION: Integrating systems thinking and quality improvement with traditional content across the entire undergraduate curriculum exposes students to increasingly sophisticated real world experiences that highlight the relevance and significance of these skills in the health care context. Feedback from practice partners suggests this approach helps bridge the education and practice gap. [J Nurs Educ. 2017;56(12):752-757.]. PMID- 29206269 TI - Tutoring for Success: Empowering Graduate Nurses After Failure on the NCLEX-RN. AB - BACKGROUND: Failure on the National Council Licensure Examination for Registered Nurses (NCLEX-RN) is a devastating experience. Most research related to NCLEX-RN is focused on predicting and preventing failure. Despite these efforts, more than 20,000 nursing school graduates experience failure on the NCLEX-RN each year, and there is a paucity of literature regarding remediation after failure. METHOD: The aim of this article is to describe an individualized tutoring approach centered on establishing a trusting relationship and incorporating two core strategies for remediation: the nugget method, and a six-step strategy for question analysis. RESULTS: This individualized tutoring method has been used by three nursing faculty with a 95% success rate on an NCLEX retake attempt. CONCLUSION: Further research is needed to identify the elements of this tutoring method that influence success. [J Nurs Educ. 2017;56(12):758-761.]. PMID- 29206270 TI - Prevention of Lateral Violence in Nursing Through Education: The Bullying Awareness Seminar. PMID- 29206272 TI - Comments on: Influence of transcutaneous electrical nerve stimulation on spasticity, balance, and walking speed in stroke patients: A systematic review and meta-analysis. PMID- 29206271 TI - Poetry of Pharmacology. PMID- 29206273 TI - Social relationships in rehabilitation and their impact on positive outcomes among amputees with lower limb loss at Walter Reed National Military Medical Center. AB - OBJECTIVE: To explore how the social context of the clinic influenced the way former patients with lower limb loss in the Military Advanced Training Center at Walter Reed National Military Medical Center evaluated their outcomes. DESIGN: Cross-sectional phenomenological-based interviews and observations. PATIENTS: Twenty individuals with lower limb amputation were recruited from a multidisciplinary military treatment programme for patients with lower-extremity traumatic limb-loss injured in Afghanistan or Iraq. METHODS: Lightly structured interviews were conducted either in person or over the telephone with former patients and clinical care-providers. Where possible, observation was conducted in conjunction with the interviews. The research team used content analysis of the data, consistent with ethnographic methods. RESULTS: Analysis of the therapeutic effect of social relationships developed in the clinical rehabilitation programme identified 3 areas of significance: enduring relationships with key care-providers, access to treatment team by patients, and peer support among patients. CONCLUSION: The social component of service delivery influences patients' outcomes from clinical care. These results could be translated across healthcare settings to improve patient outcomes. PMID- 29206275 TI - Response to 'Phase IV head-to-head randomized controlled trial comparing ingenol mebutate 0.015% gel with diclofenac sodium 3% gel for the treatment of actinic keratosis on the face or scalp': reply from the authors. PMID- 29206274 TI - Predictors of return-to-work in patients with chronic musculoskeletal pain: A randomized clinical trial. AB - OBJECTIVE: To assess the predictive effect of a multidisciplinary intervention programme, pain, work-related factors and health, including anxiety/depression and beliefs, on return-to-work for patients sick-listed due to musculoskeletal pain. DESIGN: A randomized clinical study. METHODS: A total of 284 patients were randomized to either a multidisciplinary intervention programme (n = 141) or to a less resource-demanding brief intervention (n = 143). Work participation was estimated monthly from register data for 12 months. Return-to-work was defined as increased work participation in 3 consecutive months. RESULTS: In the adjusted model, return-to-work by 3 months was associated with a multidisciplinary intervention programme (odds ratio (OR) = 2.7, 95% confidence interval (95% CI) = 1.1-6.9), the factor "belief that work was cause of the pain" (OR = 2.2, 95% CI = 1.1-4.3), anxiety and depression (OR = 0.5, 95% CI = 0.2-0.98), and by an interaction between the multidisciplinary intervention and perceived support at work (OR = 0.3, 95% CI = 0.1-0.9). At 12 months, only duration of sick leave was associated with return-to-work (OR = 0.6, 95% CI = 0.5-0.8). CONCLUSION: Multidisciplinary intervention may hasten return-to-work and benefit those who perceive low support at work, but at 12 months only duration of sick leave at baseline was associated with return-to-work. PMID- 29206276 TI - Response to Dr. Olshansky. PMID- 29206277 TI - Response to Dr. Clarfield. PMID- 29206278 TI - Clinical sequencing: From raw data to diagnosis with lifetime value. AB - High-throughput sequencing (HTS) has revolutionized genetics by enabling the detection of sequence variants at hitherto unprecedented large scale. Despite these advances, however, there are still remaining challenges in the complete coverage of targeted regions (genes, exome or genome) as well as in HTS data analysis and interpretation. Moreover, it is easy to get overwhelmed by the plethora of available methods and tools for HTS. Here, we review the step-by-step process from the generation of sequence data to molecular diagnosis of Mendelian diseases. Highlighting advantages and limitations, this review addresses the current state of (1) HTS technologies, considering targeted, whole-exome, and whole-genome sequencing on short- and long-read platforms; (2) read alignment, variant calling and interpretation; as well as (3) regulatory issues related to genetic counseling, reimbursement, and data storage. PMID- 29206279 TI - The risk of breast cancer in BRCA1 and BRCA2 mutation carriers without a first degree relative with breast cancer. AB - The objective of this study was to estimate the lifetime risk of breast cancer in women with a BRCA1 or BRCA2 mutation with and without at least 1 first-degree relative with breast cancer. A total of 2835 women with a BRCA1 or BRCA2 mutation were followed. Age- and gene-specific breast cancer rates were calculated. The relative risks of breast cancer for subjects with a family history of breast cancer, compared to no family history were calculated. The mean age at baseline was 41.1 years, and they were followed for a mean of 6.0 years. The estimated penetrance of breast cancer to age 80 years was 60.8% for BRCA1 and 63.1% for BRCA2. For all BRCA carriers, the penetrance of breast cancer to age 80 for those with no first-degree relative with breast cancer was 60.4% and 63.3% for those with at least 1 first-degree relative with breast cancer. The risk of breast cancer for BRCA carriers with no first-degree relative with breast cancer is substantial, and as a result, clinical management for these women should be the same as those for women with an affected relative. PMID- 29206280 TI - Directional scatter imaging for the stereoscopic tracking of fiducial markers in a single kV exposure. AB - PURPOSE: To demonstrate, via Monte Carlo simulation, that an image obtained from the patient-generated scattered radiation forced to impinge on the detector from a known direction by means of parallel-focused grids, can be used to complement the information conveyed by the primary image, such that accurate stereoscopic three-dimensional localization of fiducial markers can be achieved in a single kV x-ray exposure. METHODS: A voxelized Zubal phantom was used to model the process of fiducial marker localization. The markers were represented as made of gold and cylindrical in shape with dimensions of 5 mm in length and 1 mm in diameter. Three such markers were placed in the Zubal phantom at the prostate level. Two gantry-mounted image acquisition geometries were modeled: a single kV imaging system and a dual kV-MV imaging system. The detector was modeled as a 30 cm * 40 cm Gd2 O2 S screen with a thickness of 0.2 cm and a resolution of 768 * 1024 pixels. The PENELOPE Monte Carlo code was used to calculate the absorbed dose in this detector imparted by the transmitted primary and directional scatter radiation. A grayscale conversion was then applied to obtain an image from which the positions of the markers were determined. Two parallel-focused grid geometries were modeled, one based on the standard lead-carbon fiber grids and a proposed modification using tungsten as the shielding material. Absorbed dose in the patient model was also calculated. RESULTS: It is shown that the combination of primary and directional scatter images provides the means for an accurate stereoscopic fiducial marker 3D localization in a single x-ray exposure, provided the antiscatter grids are made thick enough to allow radiation traveling only in a particular direction to reach the detector. For the proposed tungsten grid and the x-ray spectrum used in this work, grid ratios of 20 and thickness of 0.2 cm, provide the necessary shielding while for the standard lead grids, a ratio of at least 166 and a thickness of 2 cm are needed to obtain discernible directional scatter images. CONCLUSIONS: We have shown that it is in principle possible to determine the 3D position of fiducial markers in a single exposure by making use of the radiation scattered by the patient to form an image that complements the information obtained with the primary beam. The method here proposed requires minimal modification of existing clinical hardware. PMID- 29206281 TI - Giant cell tumours of bone treated with denosumab: histological, immunohistochemical and H3F3A mutation analyses. AB - AIMS: Denosumab, a human monoclonal antibody directed against the receptor activator of nuclear factor-kappaB ligand (RANKL), is a therapeutic agent for giant cell tumour of bone (GCTB). Although some studies have reported that denosumab shrinks tumours and induces bone formation, the actual effects of RANKL suppression on GCTB remain unclear. A mutation in the H3 histone family member 3A gene (H3F3A) was recently identified as a genetic signature for GCTB. The aim of this study was to investigate the histopathological features and H3F3A mutation status of GCTBs treated with denosumab. METHODS AND RESULTS: Nine biopsy diagnosed patients with GCTB, who underwent curettage after neoadjuvant denosumab therapy, were reviewed. Immunohistochemistry for NFATc1 (an osteoclast marker), RUNX2 (an osteoblast marker) and histone H3.3 G34W (G34W, a GCTB marker) was performed; furthermore, H3F3A mutation status was examined with direct sequencing. Before therapy, GCTBs comprised NFATc1+ and RUNX2+ cells. All cases were G34W+ and contained H3F3A mutations. After therapy, the osteoclast-like giant cells disappeared. Areas of slender spindle cell proliferation and reticular woven bone that were NFATc1- and RUNX2+ replaced the lesions in various proportions. However, all post-therapy lesions still contained many G34W+ cells and harboured H3F3A mutations. Immunofluorescence double staining revealed that RUNX2+ mononuclear cells coexpressed G34W in pre-therapy and post-therapy lesions. Two patients experienced radiologically detected local recurrence within 2 years. CONCLUSIONS: Denosumab therapy effectively decreases the number of osteoclastic cells in GCTBs. However, the neoplastic cells with H3F3A mutation survive denosumab treatment and undergo dramatic histological changes in response to this agent. PMID- 29206282 TI - Hidradenitis and smoking: reply from the authors. PMID- 29206284 TI - Healthy Life Expectancy Is Expanding. PMID- 29206285 TI - The Future of Health. PMID- 29206283 TI - Transposable Element Mediated Innovation in Gene Regulatory Landscapes of Cells: Re-Visiting the "Gene-Battery" Model. AB - Transposable elements (TEs) are no longer considered to be "junk" DNA. Here, we review how TEs can impact gene regulation systematically. TEs encode various regulatory elements that enables them to regulate gene expression. RJ Britten and EH Davidson hypothesized that TEs can integrate the function of various transcriptional regulators into gene regulatory networks. Uniquely TEs can deposit regulatory sites across the genome when they transpose, and thereby bring multiple genes under control of the same regulatory logic. Several studies together have robustly established that TEs participate in embryonic development and oncogenesis. We discuss the regulatory characteristics of TEs in context of evolution to understand the extent of their impact on gene networks. Understanding these features of TEs is central to future investigations of TEs in cellular processes and phenotypic presentations, which are applicable to development and disease studies. We re-visit the Britten-Davidson "gene-battery" model and understand the genetic and transcriptional impact of TEs in innovating gene regulatory networks. PMID- 29206286 TI - Recognition of Delirium Features in Clinical Practice: Data from the "Delirium Day 2015" National Survey. AB - BACKGROUND/OBJECTIVES: Delirium is underrecognized in clinical practice. The primary aim of the present multicenter study was to compare the ability of nurses to identify delirium features with a standardized assessment. The secondary aim was to identify predictors of missed or incorrect identifications of delirium by nurses. DESIGN: Point prevalence study in 120 wards across Italy. SETTING: "Delirium Day 2015." PARTICIPANTS: Inpatients aged 65 and older (N = 1,867). MEASUREMENTS: Participants and nurses were asked specific questions to investigate their perceptions of the presence of delirium features (acute cognitive change, inattention, cognitive fluctuations, impaired arousal). Delirium was identified according to the results of the Assessment Test for Delirium and Cognitive Impairment (4AT), completed by a physician. Comorbidities including dementia, disability, drug treatments, and delirium motor subtype according to the Delirium Motor Subtype Scale were recorded. RESULTS: Delirium was present in 429 subjects (23%) according to the 4AT. Cognitive fluctuations was the delirium feature that the nurses most often recognized. Nurses' perceptions of acute cognitive change, cognitive fluctuations, or impaired arousal had 84% sensitivity and 81% specificity for delirium. The nonmotor subtype of delirium was less likely to be recognized (80%) than the hyperactive (97%), mixed (92%), and hypoactive (90%) subtypes. Incorrect perception of delirium was more frequent in subjects with dementia (specificity 64%). CONCLUSIONS: The delirium feature that nurses were best able to recognize was cognitive fluctuations. The nonmotor subtype was associated with a lower recognition rate. Routine observation and registration of delirium features by nurses in clinical practice might be helpful to increase formal diagnosis of delirium. PMID- 29206287 TI - High dose-per-pulse electron beam dosimetry: Commissioning of the Oriatron eRT6 prototype linear accelerator for preclinical use. AB - PURPOSE: The Oriatron eRT6 is an experimental high dose-per-pulse linear accelerator (linac) which was designed to deliver an electron beam with variable dose-rates, ranging from a few Gy/min up to hundreds of Gy/s. It was built to study the radiobiological effects of high dose-per-pulse/dose-rate electron beam irradiation, in the context of preclinical and cognitive studies. In this work, we report on the commissioning and beam monitoring of the Oriatron eRT6 prototype linac. MATERIALS AND METHODS: The beam was characterized in different steps. The output stability was studied by performing repeated measurements over a period of 20 months. The relative output variations caused by changing beam parameters, such as the temporal electron pulse width, the pulse repetition frequency and the pulse amplitude were also analyzed. Finally, depth dose curves and field sizes were measured for two different beam settings, resulting in one beam with a conventional radiotherapy dose-rate and one with a much higher dose-rate. Measurements were performed with Gafchromic EBT3 films and with a PTW Advanced Markus ionization chamber. In addition, we developed a beam current monitoring system based on the signals from an induction torus positioned at the beam exit of the waveguide and from a graphite beam collimator. RESULTS: The stability of the output over repeated measurements was found to be good, with a standard deviation smaller than 1%. However, non-negligible day-to-day variations of the beam output were observed. Those output variations showed different trends depending on the dose-rate. The analysis of the relative output variation as a function of various beam parameters showed that in a given configuration, the dose-rate could be reliably varied over three orders of magnitude. Interdependence effects on the output variation between the parameters were also observed. The beam energy and field size were found to be slightly dose-rate dependent and suitable mainly for small animal irradiation. The beam monitoring system was able to measure in a reproducible way the total charge of electrons that exit the machine, as long as the electron pulse amplitude remains above a given threshold. Furthermore, we were able to relate the charge measured with the monitoring system to the absorbed dose in a solid water phantom. CONCLUSION: The Oriatron eRT6 was successfully commissioned for preclinical use and is currently in full operation, with studies being performed on the radiobiological effects of high dose-per-pulse irradiation. PMID- 29206288 TI - Absorbed dose kernel and self-shielding calculations for a novel radiopaque glass microsphere for transarterial radioembolization. AB - PURPOSE: Radiopaque microspheres may provide intraprocedural and postprocedural feedback during transarterial radioembolization (TARE). Furthermore, the potential to use higher resolution x-ray imaging techniques as opposed to nuclear medicine imaging suggests that significant improvements in the accuracy and precision of radiation dosimetry calculations could be realized for this type of therapy. This study investigates the absorbed dose kernel for novel radiopaque microspheres including contributions of both short and long-lived contaminant radionuclides while concurrently quantifying the self-shielding of the glass network. METHODS: Monte Carlo simulations using EGSnrc were performed to determine the dose kernels for all monoenergetic electron emissions and all beta spectra for radionuclides reported in a neutron activation study of the microspheres. Simulations were benchmarked against an accepted 90 Y dose point kernel. Self-shielding was quantified for the microspheres by simulating an isotropically emitting, uniformly distributed source, in glass and in water. The ratio of the absorbed doses was scored as a function of distance from a microsphere. The absorbed dose kernel for the microspheres was calculated for (a) two bead formulations following (b) two different durations of neutron activation, at (c) various time points following activation. RESULTS: Self shielding varies with time postremoval from the reactor. At early time points, it is less pronounced due to the higher energies of the emissions. It is on the order of 0.4-2.8% at a radial distance of 5.43 mm with increased size from 10 to 50 MUm in diameter during the time that the microspheres would be administered to a patient. At long time points, self-shielding is more pronounced and can reach values in excess of 20% near the end of the range of the emissions. Absorbed dose kernels for 90 Y, 90m Y, 85m Sr, 85 Sr, 87m Sr, 89 Sr, 70 Ga, 72 Ga, and 31 Si are presented and used to determine an overall kernel for the microspheres based on weighted activities. The shapes of the absorbed dose kernels are dominated at short times postactivation by the contributions of 70 Ga and 72 Ga. Following decay of the short-lived contaminants, the absorbed dose kernel is effectively that of 90 Y. After approximately 1000 h postactivation, the contributions of 85 Sr and 89 Sr become increasingly dominant, though the absorbed dose-rate around the beads drops by roughly four orders of magnitude. CONCLUSIONS: The introduction of high atomic number elements for the purpose of increasing radiopacity necessarily leads to the production of radionuclides other than 90 Y in the microspheres. Most of the radionuclides in this study are short-lived and are likely not of any significant concern for this therapeutic agent. The presence of small quantities of longer lived radionuclides will change the shape of the absorbed dose kernel around a microsphere at long time points postadministration when activity levels are significantly reduced. PMID- 29206289 TI - Contiguous verrucous proliferations in syringocystadenoma papilliferum: A retrospective analysis with additional evaluation via mutation-specific BRAFV600E immunohistochemistry. AB - BACKGROUND: Syringocystadenoma papilliferum (SCAP) is an uncommon cutaneous adnexal proliferation. There have been several reports describing collision lesions of SCAP and verruca, although little is known about the frequency of this association. Molecular testing has revealed the BRAFV600E mutation in a large proportion of SCAP cases, although its expression pattern has not been previously evaluated. METHODS: In this retrospective analysis, we explored the potential histopathological association between verruca and SCAP. We also evaluated mutation-specific BRAFV600E expression in these lesions by immunohistochemistry. Cases of SCAP diagnosed over a 7-year period were closely reviewed for the presence of contiguous verrucous proliferations. Additional sections were cut and stained using the BRAFV600E-specific clone VE1 antibody. RESULTS: Contiguous verrucous proliferations were identified in 9 out of 12 identified cases. Furthermore, expression of the BRAFV600E mutation was identified in 7 out of 12 cases. Interestingly, in SCAP associated with endophytic verrucous proliferations (n = 4), expression of BRAFV600E was found in both the glandular and the contiguous hyperplastic squamous epithelium. CONCLUSION: Overall, these findings suggest that contiguous verrucous proliferations in SCAP are common. Both components of the neoplasm may express the BRAFV600E mutation, which is suggestive of a common origin. PMID- 29206290 TI - Primary effusion lymphoma in Taiwan shows two distinctive clinicopathological subtypes with rare human immunodeficiency virus association. AB - AIMS: To investigate the clinicopathological and molecular features of primary effusion lymphoma (PEL) in Taiwan and the association with human immunodeficiency virus (HIV), human herpesvirus 8 (HHV8) and Epstein-Barr virus (EBV). METHODS AND RESULTS: We investigated retrospectively 26 cases with a median age of 76.5. Only one (4%) patient was infected with HIV. Cytologically, all lymphoma cells revealed typical immunoblastic to plasmablastic morphology. Immunohistochemically, HHV8 was positive in eight (32%) tumours and negative in 17 (68%) cases. All 23 tested cases examined were of the non-germinal-centre B cell phenotype. MYC proto-oncogene (MYC) and Epstein-Barr encoding mRNA (EBER) were positive in 43% (nine of 21) and 17% (four of 23) cases, respectively. Immunoglobulin heavy chain (IGH), B cell lymphoma (BCL)2, BCL6 and MYC were rearranged in 71%, 11%, 12% and 18% cases, respectively. By univariate analysis, the overall survival (OS) was associated statistically with MYC expression (P = 0.012) and BCL2 rearrangement (P = 0.035), but not with the others. By multivariate analysis, no factor was statistically significant. Compared to the HHV8-negative cases, the HHV8-positive cases were mainly of the plasmablastic immunophenotype expressing CD30 and CD138, and with a less frequent expression of pan-B cell markers. CONCLUSIONS: Apart from the phenotypical difference, our HHV8 positive neoplasms were not distinct from the HHV8-negative group. Literature review of 256 cases, including our cases, revealed that HHV8-positive cases were associated more frequently with HIV and EBV infection, with rare MYC rearrangement, and a poorer prognosis than HHV8-negative cases. We propose to name the HHV8-positive cases as 'classical' or 'type I PEL' and the HHV8-negative cases as 'type II PEL', stressing the similarities and the distinctive features between these two groups. PMID- 29206291 TI - Cranial shape variation in adult howler monkeys (Alouatta seniculus). AB - Howler monkeys (genus Alouatta) display a distinctive cranial architecture characterized by airorhynchy (or retroflexion of the facial skeleton on the cranial base), a small braincase, and a posteriorly oriented foramen magnum. This configuration has been associated with distinct factors including a high folivory diet, locomotion, and the presence of a specialized vocal tract characterized by large hyoid bone. However, the morphological relationships between the facial and neurocranial blocks in Alouatta have been scarcely investigated. In this study we quantitatively analyzed the cranial shape variation in Alouatta seniculus, to evaluate possible influences and constraints in face and braincase associated with airorhynchy. We also considered the structural role of the pteric area within the cranial functional matrix. We applied landmark-based analysis and multivariate statistics to 31 adult crania, computing shape analyses based on 3D coordinates registration as well as the analysis of the Euclidean distance matrix to investigate patterns of intraspecific morphological variability. Our results suggest that allometry is the main source of variation involved in shaping cranial morphology in howlers, influencing the degree of facial proportions and braincase flattening, and generating the main sexual differences. Larger individuals are characterized by a higher degree of airorhynchy, neurocranial flattening, and expansion of the zygomatic arch. Allometric variations influence the skull as a whole, without distinct patterns for face and braincase, which behave as an integrated morphological unit. A preliminary survey on the pteric pattern suggests that the morphology of this area may be the result of variations in the vertical growth rates between face and braincase. Future studies should be dedicated to the ontogenetic series and focus on airorhynchy in terms of differential growth among distinct cranial districts. PMID- 29206292 TI - MicroRNA-6869-5p acts as a tumor suppressor via targeting TLR4/NF-kappaB signaling pathway in colorectal cancer. AB - Many studies have implicated that microRNAs (miRNAs), as non-coding RNAs, play important roles in the development and progression of colorectal cancer (CRC). However, little is known about the role of a newly identified miRNA, miR-6869-5p, in CRC. We aim to investigate the modifying effects and underlying mechanisms of miR-6869-5 in colorectal carcinogenesis and progression. Significantly reduced levels of miR-6869-5p were observed in both serum exosomes tumor tissue samples from patients with CRC. The prediction of targets of miR-6869-5p in databases of targetscan, microRNA. ORG and miRDBA revealed that toll-like receptor 4 (TLR4) is a potential target for this miRNA. MiR-6869-5p could inhibit cell proliferation and the production of inflammatory cytokines (TNF-alpha and IL-6) in CRC cells via directly targeting TLR4. The protective effect of miR-6869-5p from colorectal carcinogenesis was dependent on TLR4/NF-kappaB signaling pathway. In addition, the 3-year survival was poor among CRC patients with decreased levels of miR-6869 5p in serum exosomes. Thus, miR-6869-5p may serve as a tumor suppressor in CRC, and serum exosomal miR-6869-5p is a promising circulating biomarker for the prediction of CRC prognosis. PMID- 29206293 TI - Arbuscular mycorrhizal fungi reduce nitrous oxide emissions from N2 O hotspots. AB - Nitrous oxide (N2 O) is a potent, globally important, greenhouse gas, predominantly released from agricultural soils during nitrogen (N) cycling. Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with two-thirds of land plants, providing phosphorus and/or N in exchange for carbon. As AMF acquire N, it was hypothesized that AMF hyphae may reduce N2 O production. AMF hyphae were either allowed (AMF) or prevented (nonAMF) access to a compartment containing an organic matter and soil patch in two independent microcosm experiments. Compartment and patch N2 O production was measured both before and after addition of ammonium and nitrate. In both experiments, N2 O production decreased when AMF hyphae were present before inorganic N addition. In the presence of AMF hyphae, N2 O production remained low following ammonium application, but increased in the nonAMF controls. By contrast, negligible N2 O was produced following nitrate application to either AMF treatment. Thus, the main N2 O source in this system appeared to be via nitrification, and the production of N2 O was reduced in the presence of AMF hyphae. It is hypothesized that AMF hyphae may be outcompeting slow-growing nitrifiers for ammonium. This has significant global implications for our understanding of soil N cycling pathways and N2 O production. PMID- 29206294 TI - Hormone regulates endometrial function via cooperation of endoplasmic reticulum stress and mTOR-autophagy. AB - In ruminant, the receptive endometrium and the elongation of the hatched blastocyst are required to complete the process of implantation. However, the mechanisms regulating goat endometrial function during the peri-implantation period of pregnancy are still unclear. In this study, EECs were treated with progesterone, estradiol, and interferon-tau (IFNT). We have found that endoplasmic reticulum (ER) stress was activated under hormones treatment. To identify the cellular mechanism of regulation of endometrial function, we investigated the effect of ER stress activator thapsigargin (TG) and inhibitor 4 phenyl butyric acid (4-PBA) on EECs. We found that TG, which activated the three branches of UPR, increased the expression of genes associated with promoting conceptus elongation and cellular attachment, significantly up-regulated the spheroid attachment rate and PGE2 /PGF2alpha ratio. 4-PBA pre-treatment inhibited UPR and inhibited promoting conceptus elongation and cellular attachment related genes, but the spheroid attachment rate and PGE2 /PGF2alpha ratio were not changed significantly. Moreover, knockdown of ATF6 via shATF6 promoted the conceptus elongation related genes, but increased the dissolution of the corpus luteum. Besides, blocking ATF6 attenuated autophagy by activating mammalian target of rapamycin (mTOR) pathway. Moreover, rapamycin (mTOR inhibitor) pre treatment inhibited the expression of promoting conceptus elongation and increased PGE2 /PGF2alpha ratio. Taken together, our study indicated that physiological level of ER stress may contribute to early pregnancy success, and ATF6 signaling pathway cooperated with autophagy to regulate endometrial function by modulating mTOR pathway. PMID- 29206295 TI - Simultaneous adaptation and maladaptation of tree populations to local rhizosphere microbial communities at different taxonomic scales. AB - Plant populations are often adapted to their local conditions, but the specific selective forces creating this adaptation are often unclear. All plants interact with diverse microbial communities, but we know little about how these microbial communities as a whole shape the evolutionary trajectory of plant populations. We tested whether tree populations were adapted or maladapted to their local rhizosphere microbial communities by growing seedlings sourced from multiple locations with soil microbial communities from all locations in a fully reciprocal design, using seedling growth as a proxy for fitness. In addition, we compared the microbial composition of the experimental inocula with that of the communities we detected associating with naturally occurring trees at the seedling source populations. We found that seedlings grew similarly when inoculated with local vs foreign microbial communities, but this neutral response derived from conflicting patterns - plant populations appeared to be adapted to the presence or absence of whole taxonomic groups in their local microbial community, but were simultaneously maladapted to the particular microbial populations present in their local site. As rapid climate change and other factors push tree populations into new areas, the successful establishment of seedlings may depend critically on the balance between the novelty and familiarity of the microbial communities they encounter. PMID- 29206297 TI - Dickkopf homolog 3 (DKK3): A candidate for detection and treatment of cancers? AB - Wnt signaling is an evolutionary highly conserved pathway that is modulated by several inhibitors and activators, and plays a key role in numerous physiological processes. One of the extracellular Wnt inhibitors is the DKK (Dickkopf Homolog) family which has four members (Dkk1-4) and a unique Dkk3-related gene, Dkkl1 (soggy). DKK3 is a divergent member of the DKK protein family. Evidence suggests that DKK3 may serve as a potential therapeutic target in several types of human cancers. We review here the biological role of DKK3 as a tumor suppressor gene (TSG) or oncogene, and its correlation with various miRNAs. In addition, we discuss the role of polymorphisms and promoter methylation of the DKK3 gene, and of its expression in regulating cancer cell proliferation. Finally, we propose that DKK3 may be considered as both a biomarker and a therapeutic target in different cancers. PMID- 29206296 TI - Comparative plastome genomics and phylogenomics of Brachypodium: flowering time signatures, introgression and recombination in recently diverged ecotypes. AB - Few pan-genomic studies have been conducted in plants, and none of them have focused on the intraspecific diversity and evolution of their plastid genomes. We address this issue in Brachypodium distachyon and its close relatives B. stacei and B. hybridum, for which a large genomic data set has been compiled. We analyze inter- and intraspecific plastid comparative genomics and phylogenomic relationships within a family-wide framework. Major indel differences were detected between Brachypodium plastomes. Within B. distachyon, we detected two main lineages, a mostly Extremely Delayed Flowering (EDF+) clade and a mostly Spanish (S+) - Turkish (T+) clade, plus nine chloroplast capture and two plastid DNA (ptDNA) introgression and micro-recombination events. Early Oligocene (30.9 million yr ago (Ma)) and Late Miocene (10.1 Ma) divergence times were inferred for the respective stem and crown nodes of Brachypodium and a very recent Mid Pleistocene (0.9 Ma) time for the B. distachyon split. Flowering time variation is a main factor driving rapid intraspecific divergence in B. distachyon, although it is counterbalanced by repeated introgression between previously isolated lineages. Swapping of plastomes between the three different genomic groups, EDF+, T+, S+, probably resulted from random backcrossing followed by stabilization through selection pressure. PMID- 29206298 TI - Effects of poly(I:C) and MF59 co-adjuvants on immunogenicity and efficacy of survivin polypeptide immunogen against melanoma. AB - Malignant tumors pose a public health problem that jeopardizes human life and quality of living. At present, tumor vaccines in clinical research typically are aimed at stimulating the cellular immune response, while more effective vaccines should take into account the synergy between broad spectrum antibodies and high levels of cellular immunity. In this study, epitope peptides (68-81, 95-104, 80 88) of the tumor antigen survivin were chosen as immunogens and supplemented with poly(I:C) and/or MF59 adjuvant to evaluate the immune effects and anti-melanoma activities. The results indicated that poly(I:C) and MF59 could assist the survivin epitope peptide immunogen to control the tumor size, quality, and volume in black melanoma mouse models. Analyses by antibody titering, antibody isotyping and ELISPOT suggested that the adjuvanted immunogen could induce humoral immunity in mice. Poly(I:C) and MF59 combined with survivin peptide 95-104 could effectively induce humoral immunity mediated by type 2 T helper (Th2) cells. This study provides a basis for candidate immunogen design based on survivin and provides support for tumor therapy that can induce a more balanced Th1/Th2 immune response. PMID- 29206299 TI - microRNA-137 promotes endothelial progenitor cell proliferation and angiogenesis in cerebral ischemic stroke mice by targeting NR4A2 through the Notch pathway. AB - Cerebral ischemic stroke (CIS) is one of the common causes of death and disability worldwide. This study aims to investigate effect of miR-137 on endothelial progenitor cells and angiogenesis in CIS by targeting NR4A2 via the Notch pathway. Brain tissues were extracted from CIS and normal mice. Immunohistochemistry was used to determine positive rate of NR4A2 expression. Serum VEGF, Ang, HGF, and IkappaBalpha levels were determined by ELISA. RT-qPCR and Western blotting were used to determine expression of related factors. Endothelial progenitor cells in CIS mice were treated and grouped into blank, NC, miR-137 mimic, miR-137 inhibitor, siRNA-NR4A2, and miR-137 inhibitor + siRNA NR4A2 groups, and cells in normal mice into normal group. Proliferation and apoptosis were determined by MTT and flow cytometry, respectively. NR4A2 protein expression was strongly positive in CIS mice, which showed higher serum levels of VEGF, Ang, and HGF but lower IkappaBalpha than normal mice. Compared with normal group, the rest groups (endothelial progenitor cells from CIS mice) showed decreased expressions of miR-137, Hes1, Hes5, and IkappaBalpha but elevated NR4A2, Notch, Jagged1, Hey-2, VEGF, Ang, and HGF, inhibited proliferation and enhanced apoptosis. Compared with blank and NC groups, the miR-137 mimic and siRNA-NR4A2 groups exhibited increased expression of miR-137, Hes1, Hes5, and IkappaBalpha, but decreased NR4A2, Notch, Jagged1, and Hey-2, with enhanced proliferation and attenuated apoptosis. The miR-137 inhibitor group reversed the conditions. miR-137 enhances the endothelial progenitor cell proliferation and angiogenesis in CIS mice by targeting NR4A2 through the Notch signaling pathway. PMID- 29206300 TI - Effects of mTOR/NF-kappaB signaling pathway and high thoracic epidural anesthesia on myocardial ischemia-reperfusion injury via autophagy in rats. AB - We investigated the role of mammalian target of rapamycin/nuclear factor-kappa B (mTOR/NF-kappaB) signaling pathway in high thoracic epidural anesthesia (HTEA) against myocardial ischemia-reperfusion (I/R) injury in rats. The rat model of myocardial I/R injury was established. Ninety rats were divided into the normal, sham, I/R, eHTEA, the PDTC, and HTEA + PDTC groups. ELISA was applied to detect cardiac function indexes. HE staining was conducted to observe histopathological changes of myocardial tissues, and TTC staining was performed to detect the myocardial infarction size. TUNEL staining was adopted to detect the cell apoptosis rate. The mRNA and protein levels of mTOR, NF-kappaB, Fasl, Bcl-2 and Bax, and LC3-I, LC3-II, BNIP3, and Atg5 were detected by RT-qPCR and Western blotting, respectively. The findings indicated that compared with the normal and sham groups, the I/R, PDTC, and HTEA groups showed the larger myocardial infarction size and increased cell apoptosis rate, while the results in the HTEA + PDTC group were opposite. Compared with the normal and sham groups, the I/R group showed reduced mRNA and protein levels of Bcl-2, LC3, BNIP3, and Atg5, and elevated mRNA and protein levels of mTOR, p50, p65, Bax, and Fasl, while the HTEA + PDTC group revealed the opposite results, and the PDTC and HTEA group revealed the increased mRNA and protein levels of Bcl-2, LC3, BNIP3, Atg5, mTOR, p50, p65, Bax, and Fasl. These results prove that the inhibition of mTOR/NF-kappaB signaling pathway potentiates HTEA against myocardial IR injury by autophagy and apoptosis in rats. PMID- 29206301 TI - Evaluation of RNA from human trabecular bone and identification of stable reference genes. AB - The isolation of good quality RNA from tissues is an essential prerequisite for gene expression analysis to study pathophysiological processes. This study evaluated the RNA isolated from human trabecular bone and defined a set of stable reference genes. After pulverization, RNA was extracted with a phenol/chloroform method and then purified using silica columns. The A260/280 ratio, A260/230 ratio, RIN, and ribosomal ratio were measured to evaluate RNA quality and integrity. Moreover, the expression of six candidates was analyzed by qPCR and different algorithms were applied to assess reference gene stability. A good purity and quality of RNA was achieved according to A260/280 and A260/230 ratios, and RIN values. TBP, YWHAZ, and PGK1 were the most stable reference genes that should be used for gene expression analysis. In summary, the method proposed is suitable for gene expression evaluation in human bone and a set of reliable reference genes has been identified. PMID- 29206302 TI - Network analysis of hippocampal neurons by microelectrode array in the presence of HIV-1 Tat and cocaine. AB - HIV-associated neurocognitive disorders affecting greater than 30% of patients are caused by HIV-1 infection of the CNS, and in part, include neurotoxic effects of the viral transactivator of transcription, Tat protein. In addition to increasing the risk for becoming HIV infected, cocaine abuse enhances the neuropathogenic impacts of HIV-1. To investigate the outcome of Tat and cocaine interference in the hippocampal neuronal network, cross-rank-corrlation was employed to develop a systematic framework to assess hippocampal neurons behavior cultured on multielectrode arrays. Tat and cocaine differentially disturbed neuronal spiking rates, amplitude, synchronous activity, and oscillations within the hippocampal neuronal network via potentiation of inhibitory neurotransmission. The Tat-mediated impairment of neuronal spiking was reversible by removal of Tat, which restored neuronal activity. The presence of astrocytes co-cultured with neuronal networks diminished the effects of Tat and cocaine on neuron function suggesting a role for astrocytes in stabilizing neuronal behavior and increasing neuronal spontaneous activities such as bursting amplitude, frequency, and wave propagation rate. Taken together, our studies indicate that the HIV protein Tat and cocaine impair hippocampal neuronal network functioning and that the presence of astrocytes alleviates network dysfunction pointing to a newly discovered pathway through which ionic homeostasis is maintained by neuron glial crosstalk in the CNS. PMID- 29206303 TI - The iron-regulated transporter 1 plays an essential role in uptake, translocation and grain-loading of manganese, but not iron, in barley. AB - Transporters involved in manganese (Mn) uptake and intracellular Mn homeostasis in Arabidopsis and rice are well characterized, while much less is known for barley, which is particularly prone to Mn deficiency. In this study we have investigated the role of the iron-regulated transporter 1 (IRT1) for Mn uptake and translocation in barley plants. We employed an RNAi approach to reduce HvIRT1 expression to 5% of the wild-type level. This enabled characterization of the functional role of HvIRT1 by use of advanced imaging and phenotyping techniques applied to plants growing in hydroponics or soils with different Mn availability. Our results highlight the importance of HvIRT1 for the transport of Mn across the root endodermis into the stele. In the hvirt1-RNAi lines, a chlorotic phenotype with reduced shoot Mn concentration and impaired photosynthetic functionality was observed, especially under conditions with low Mn availability. We also document that HvIRT1 controlled the Mn distribution within the barley grain. Surprisingly, unlike other IRT1 orthologues, HvIRT1 played no significant role in iron uptake. We conclude that the barley IRT1 orthologue has a novel function with respect to ensuring sufficient shoot Mn concentrations. The preference of IRT1 for Mn instead of Fe is discussed in an evolutionary context. PMID- 29206304 TI - Modulation of Nickel Pyridinedicarboxamidate Complexes to Explore the Properties of High-valent Oxidants. AB - High-valent Ni oxidants have been implicated in hydrocarbon oxidation catalysis, however, little is understood about the properties of these oxidants. Herein, a family of NiII complexes supported by a pyridinedicarboxamidate ligand and different ancillary ligands was synthesized. The series spans coordination numbers 4, 5, and 6, and contains neutral, mono- and di-anionic donor types. X ray crystallography and magnetic measurements showed that the 4-coordinate complexes were square planar and low spin (S=0) and the 5- and 6-coordinate were intermediate spin (S=1). The NiII complexes could be oxidized by one electron to form a series of metastable NiIII species. EPR analysis confirmed their description as S=1/2 NiIII compounds with signal shape and hyperfine coupling dependent on the coordination environment. The oxidation of phenols by the NiIII species was probed, providing evidence for a correlation between oxidizing power and electron-donating properties of the supporting ligands. Critically, we found that the pyridinedicarboxamidate ligand may be a non-innocent proton acceptor in the oxidation reactions. PMID- 29206305 TI - High-Flux Zeolitic Imidazolate Framework Membranes for Propylene/Propane Separation by Postsynthetic Linker Exchange. AB - While zeolitic imidazolate framework, ZIF-8, membranes show impressive propylene/propane separation, their throughput needs to be greatly improved for practical applications. A method is described that drastically reduces the effective thickness of ZIF-8 membranes, thereby substantially improving their propylene permeance (that is, flux). The new strategy is based on a controlled single-crystal to single-crystal linker exchange of 2-methylimidazole in ZIF-8 membrane grains with 2-imidazolecarboxaldehyde (ZIF-90 linker), thereby enlarging the effective aperture size of ZIF-8. The linker-exchanged ZIF-8 membranes showed a drastic increase in propylene permeance by about four times, with a negligible loss in propylene/propane separation factor when compared to as-prepared membranes. The linker-exchange effect depends on the membrane synthesis method. PMID- 29206306 TI - Nail-extracting behaviour as an unusual manifestation of adjustment disorder, confused with onychotillomania. PMID- 29206308 TI - Classification of early-stage non-small cell lung cancer by weighing gene expression profiles with connectivity information. AB - Pathway-based feature selection algorithms, which utilize biological information contained in pathways to guide which features/genes should be selected, have evolved quickly and become widespread in the field of bioinformatics. Based on how the pathway information is incorporated, we classify pathway-based feature selection algorithms into three major categories-penalty, stepwise forward, and weighting. Compared to the first two categories, the weighting methods have been underutilized even though they are usually the simplest ones. In this article, we constructed three different genes' connectivity information-based weights for each gene and then conducted feature selection upon the resulting weighted gene expression profiles. Using both simulations and a real-world application, we have demonstrated that when the data-driven connectivity information constructed from the data of specific disease under study is considered, the resulting weighted gene expression profiles slightly outperform the original expression profiles. In summary, a big challenge faced by the weighting method is how to estimate pathway knowledge-based weights more accurately and precisely. Only until the issue is conquered successfully will wide utilization of the weighting methods be impossible. PMID- 29206309 TI - A Direct Proof of the Resonance-Impaired Hydrogen Bond (RIHB) Concept. AB - The concept of resonance-enhanced hydrogen bond (RAHB) has been widely accepted and applied as it highlights the positive impact of pi-conjugation on intramolecular H-bonds. However, electron delocalization is directional and there is a possibility that pi-resonance goes from the H-bond acceptor to the H-bond donor, leading to a negative impact on H-bonds. Here we used the block-localized wavefunction (BLW) method which is a variant of ab initio valence bond (VB) theory and able to derive strictly electron-localized structures self consistently, to quantify the interplay between H-bond and pi-resonance in the terms of geometry, energetics and spectral properties. The comparison of geometrical optimizations with and without pi-resonance shows that conjugation can indeed either enhance or weaken intramolecular H-bonds. We further experimented with various substituents attached to either the H-bond acceptor and/or H-bond donor side(s) to tune the H-bonding strength in both directions. PMID- 29206307 TI - Osteoprotection Through the Deletion of the Transcription Factor Rorbeta in Mice. AB - There is a clinical need to identify new molecular targets for the treatment of osteoporosis, particularly those that simultaneously inhibit bone resorption while stimulating bone formation. We have previously shown in overexpression studies that retinoic acid receptor-related orphan receptor beta (Rorbeta) suppresses in vitro osteoblast differentiation. In addition, the expression of Rorbeta is markedly increased in bone marrow-derived mesenchymal stromal cells with aging in both mice and humans. Here we establish a critical role for Rorbeta in regulating bone metabolism using a combination of in vitro and in vivo studies. We used Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 gene editing to demonstrate that loss of Rorbeta in osteoblasts enhances Wnt signaling, specifically through increased recruitment of beta catenin to T-cell factor/lymphoid enhancer factor (Tcf/Lef) DNA binding sites in the promoters of the Wnt target genes Tcf7 and Opg. This resulted in increased osteogenic gene expression and suppressed osteoclast formation through increased osteoprotegerin (OPG) secretion in Rorbeta-deficient cells. Consistent with our in vitro data, genetic deletion of Rorbeta in both female and male mice resulted in preserved bone mass and microarchitecture with advancing age due to increased bone formation with a concomitant decrease in resorption. The improved skeletal phenotype in the Rorbeta-/- mice was also associated with increased bone protein levels of TCF7 and OPG. These data demonstrate that loss of Rorbeta has beneficial skeletal effects by increasing bone formation and decreasing bone resorption, at least in part through beta-catenin-dependent activation of the Wnt pathway. Thus, inhibition of Rorbeta represents a novel approach to potentially prevent or reverse osteoporosis. (c) 2017 American Society for Bone and Mineral Research. PMID- 29206310 TI - Ease of Fill Port Access During the Ultrasound-Guided vs. the Blind Refill Technique of Intrathecal Drug Delivery Systems With a Raised Septum, a Prospective Comparison Study. AB - OBJECTIVES: The localization of the reservoir fill port of Intrathecal Drug Delivery Devices (IDDS) can be difficult. The purpose of this study was to assess the ease of fill port access during the ultrasound-guided refill technique compared to the blind refill technique in IDDSs with a raised septum on the pump surface. MATERIALS AND METHODS: Written informed consent was obtained from 19 adult patients undergoing regular refills of their Raised Septum IDDSs (RS IDDSs). The primary outcome of this single center prospective comparison study was the number of attempts to enter the reservoir fill port with the needle comparing the ultrasound-guided technique vs. the blind technique. The number of skin punctures per refill procedure and time to enter the reservoir fill port was secondary outcomes. For between group comparisons the Friedman test for repeated measures on ranks was used. RESULTS: One hundred and eleven refill procedures were assessed in 19 patients over a period of 24 months. The median number of attempts to enter the reservoir fill port with the needle differed significantly between the ultrasound-guided technique and the blind technique (4 [IQR: 1-6] vs. 1 [IQR: 1-3], p = 0.018), in favor of the blind technique. The median time to enter the reservoir fill port differed significantly between the ultrasound guided technique and the blind technique (58 sec [IQR: 38-94] vs. 22 sec [IQR: 16 40], p < 0.001). CONCLUSIONS: The results of this study suggest that for a RS IDDS the blind refill technique needs significantly less attempts to enter the reservoir fill port than the US-guided refill technique. PMID- 29206311 TI - The Expanding Life and Functions of Osteogenic Cells: From Simple Bone-Making Cells to Multifunctional Cells and Beyond. AB - During the last three decades, important progress in bone cell biology and in human and mouse genetics led to major advances in our understanding of the life and functions of cells of the osteoblast lineage. Previously unrecognized sources of osteogenic cells have been identified. Novel cellular and molecular mechanisms controlling osteoblast differentiation and senescence have been determined. New mechanisms of communications between osteogenic cells, osteocytes, osteoclasts, and chondrocytes, as well as novel links between osteogenic cells and blood vessels have been identified. Additionally, cells of the osteoblast lineage were shown to be important components of the hematopoietic niche and to be implicated in hematologic dysfunctions and malignancy. Lastly, unexpected interactions were found between osteogenic cells and several soft tissues, including the central nervous system, gut, muscle, fat, and testis through the release of paracrine factors, making osteogenic cells multifunctional regulatory cells, in addition to their bone-making function. These discoveries considerably enlarged our vision of the life and functions of osteogenic cells, which may lead to the development of novel therapeutics with immediate applications in bone disorders. (c) 2017 American Society for Bone and Mineral Research. PMID- 29206312 TI - Risk of cancer in children exposed to antiretroviral nucleoside analogues in utero: The french experience. AB - All nucleoside analogues for treating HIV infection, due to their capacity to integrate into and alter human DNA, are experimentally genotoxic to some extent. The long-term oncogenic risk after in utero exposure remains to be determined. Cancer incidence in uninfected children exposed to nucleos(t)ide reverse transcriptase inhibitors (NRTIs) was evaluated, by cross-checking against the National Cancer Registry, in the French perinatal study of children born to HIV+ mothers. Twenty-one cancers were identified in 15,163 children (median age: 9.9 years [interquartile range (IQR): 5.8-14.2]) exposed to at least one NRTI in utero between 1990 and 2014. Five of these children were exposed to zidovudine monotherapy, and 15 to various combinations, seven of which included didanosine. Overall, the total number of cases was not significantly different from that expected for the general population (SIR = 0.8[0.47-1.24]), but the number of cases after didanosine exposure was twice that expected (SIR = 2.5 [1.01-5.19]). Didanosine accounted for only 10% of prescriptions but was associated with one third of cancers. In multivariate analysis, didanosine exposure was significantly associated with higher risk (HR = 3.0 [0.9-9.8]). This risk was specifically linked to first-trimester exposure (HR = 5.5 [2.1-14.4]). Three cases of pineoblastoma, a very rare cancer, were observed, whereas 0.03 were expected. Two were associated with didanosine exposure. Despite reassuring data overall, there is strong evidence to suggest that didanosine displays transplacental oncogenicity. These findings cannot be extrapolated to other NRTIs, but they highlight the need for comprehensive evaluations of the transplacental genotoxicity of this antiretroviral class. Environ. Mol. Mutagen., 2017. (c) 2017 Wiley Periodicals, Inc. PMID- 29206313 TI - The impact of using peer interviewers in a study of patient empowerment amongst people in cancer follow-up. AB - BACKGROUND: A range of benefits have been reported from engaging peer interviewers in qualitative interviews, but little systematic evaluation exists to assess their impact on both process and outcomes of qualitative interviews in health research. OBJECTIVE: To investigate the impact of involving patient representatives as peer interviewers in a research project on patient empowerment. DESIGN: 18 interviews were carried out as part of the wider study, seven by the academic researcher alone and eleven jointly with a peer interviewer. The interviews were analysed quantitatively and qualitatively to explore potential differences between interviews conducted by the researcher alone and interviews conducted jointly by the researcher and the peer interviewers. A phone evaluation of the peer interviews was carried out with the research participants, and notes were thematically analysed to understand their experiences. RESULTS: Differences were identified between the academic researcher and the peer interviewers in the types of questions they asked and the degree to which personal narrative was used in the interview. Peer interviewers varied significantly in their approach. Research participants were positive about the experience of being interviewed by a peer interviewer. No firm conclusions could be made about impact on outcomes. DISCUSSION AND CONCLUSIONS: The uniqueness and complexity of qualitative interviews made it difficult to provide any firm conclusions about the impact of having peer interviewers on the research outcomes, and the benefits identified from the analysis mostly related to the process of the interviews. Benefits from using peer interviewers need to be considered alongside relevant ethical considerations, and available resources for training and support. PMID- 29206314 TI - Inhibition of spinal p38 MAPK prevents articular neutrophil infiltration in experimental arthritis via sympathetic activation. AB - The central nervous system controls the innate immunity by modulating efferent neuronal networks. Recently, we have reported that central brain stimulation inhibits inflammatory responses. In the present study, we investigate whether spinal p38 mitogen-activated protein kinase (MAPK) affects joint inflammation in experimental arthritis. Firstly, we observed that intra-articular administration of zymosan in mice induces the phosphorylation of the spinal cord p38 MAPK. In addition, we demonstrated that spinal p38 MAPK inhibition with intrathecal injection of SB203580, a conventional and well-characterized inhibitor, prevents knee joint neutrophil recruitment, edema formation, experimental score and cytokine production. This local anti-inflammatory effect was completely abolished with chemical sympathectomy (guanethidine) and beta-adrenergic receptors blockade (nadolol). In conclusion, our results suggest that pharmacological strategies involving the modulation of spinal p38 MAPK circuit can prevent joint inflammation via sympathetic networks and beta-adrenoceptors activation. PMID- 29206315 TI - Intrathecal Trialing of Continuous Infusion Combination Therapy With Hydromorphone and Bupivacaine in Failed Back Surgery Patients. AB - OBJECTIVES: Intrathecal (IT) trial is a prognostic interventional pain management procedure employed to determine the potential success of treating intractable pain with an implantable infusion device system. There is a dearth of data regarding trials with continuous infusion of combination therapy (e.g. opioid combined with local anesthetic). The objective of the this study was to determine the overall outcomes of continuous infusion IT trials and factors influencing long-term success of IT therapy in patients with chronic intractable pain post laminectomy. MATERIALS AND METHODS: This is a retrospective analysis of all patients with lumbar failed back surgery syndrome (FBSS) who were trialed with a combination of hydromorphone and bupivacaine with a temporary externalized IT catheter from March 2007 to June 2014. RESULTS: From a cohort of 62 patients fulfilling the inclusion criteria, 54 (87.10%) patients had successful IT trials. No significant differences were found between successful and failed trial patients with regards to age, sex, pre-trial pain numeric rating scale scores, pre-trial morphine equivalent daily dose, or trial dosages. Significant positive correlations were found between pretrial oral opioid intake and end of trial hydromorphone dose and hydromorphone dose escalation at 12 months and 24 months. CONCLUSIONS: Patients with refractory low back pain due to FBSS who underwent successful combination IT trial with hydromorphone and bupivacaine infused through a temporary IT catheter had significantly improved pain intensity scores following permanent implant. Higher pre-trial MEDD was correlated with higher trial and post-implant opioid doses and higher rates of opioid dose escalation post-implant. PMID- 29206318 TI - Automated quality assessment of structural magnetic resonance images in children: Comparison with visual inspection and surface-based reconstruction. AB - Motion-related artifacts are one of the major challenges associated with pediatric neuroimaging. Recent studies have shown a relationship between visual quality ratings of T1 images and cortical reconstruction measures. Automated algorithms offer more precision in quantifying movement-related artifacts compared to visual inspection. Thus, the goal of this study was to test three different automated quality assessment algorithms for structural MRI scans. The three algorithms included a Fourier-, integral-, and a gradient-based approach which were run on raw T1 -weighted imaging data collected from four different scanners. The four cohorts included a total of 6,662 MRI scans from two waves of the Generation R Study, the NIH NHGRI Study, and the GUSTO Study. Using receiver operating characteristics with visually inspected quality ratings of the T1 images, the area under the curve (AUC) for the gradient algorithm, which performed better than either the integral or Fourier approaches, was 0.95, 0.88, and 0.82 for the Generation R, NHGRI, and GUSTO studies, respectively. For scans of poor initial quality, repeating the scan often resulted in a better quality second image. Finally, we found that even minor differences in automated quality measurements were associated with FreeSurfer derived measures of cortical thickness and surface area, even in scans that were rated as good quality. Our findings suggest that the inclusion of automated quality assessment measures can augment visual inspection and may find use as a covariate in analyses or to identify thresholds to exclude poor quality data. PMID- 29206319 TI - Cost-utility Analysis of the National Health Screening Program for Chronic Kidney Disease in Korea. AB - AIM: Although a national health screening program (NHSP) for chronic kidney disease (CKD) has been implemented in Korea since 2002, its cost-effectiveness has never been determined. This study aimed to estimate the cost-utility of NHSP for CKD in Korea. METHODS: A Markov decision analytic model was constructed to compare CKD screening strategies of the NHSP with no screening. We developed a model that simulated disease progression in a cohort aged 20 to 120 years or death from the societal perspective. RESULTS: Biannual screening starting at age 40 for CKD by proteinuria (dipstick) and estimated glomerular filtration ratio had an ICUR of $66,874/QALY relative to no screening. The targeted screening strategy had an ICUR of $37,812/QALY and $40,787/QALY for persons with diabetes and hypertension, respectively. ICURs improved with lower cost strategies. The most influential parameter that might make screening more cost-effective was the effectiveness of treatment on CKD to decrease disease progression and mortality. CONCLUSIONS: The Korean NHSP for CKD is more cost-effective for patients with diabetes or hypertension than the general population, consistent with prior studies. Although it is too early to conclude the cost-effectiveness of the Korean NHSP for CKD, this study provides evidence that is useful in evaluating the cost-effectiveness of CKD interventions. PMID- 29206316 TI - Complementary Strategies for Directed C(sp3 )-H Functionalization: A Comparison of Transition-Metal-Catalyzed Activation, Hydrogen Atom Transfer, and Carbene/Nitrene Transfer. AB - The functionalization of C(sp3 )-H bonds streamlines chemical synthesis by allowing the use of simple molecules and providing novel synthetic disconnections. Intensive recent efforts in the development of new reactions based on C-H functionalization have led to its wider adoption across a range of research areas. This Review discusses the strengths and weaknesses of three main approaches: transition-metal-catalyzed C-H activation, 1,n-hydrogen atom transfer, and transition-metal-catalyzed carbene/nitrene transfer, for the directed functionalization of unactivated C(sp3 )-H bonds. For each strategy, the scope, the reactivity of different C-H bonds, the position of the reacting C-H bonds relative to the directing group, and stereochemical outcomes are illustrated with examples in the literature. The aim of this Review is to provide guidance for the use of C-H functionalization reactions and inspire future research in this area. PMID- 29206320 TI - A farnesyl pyrophosphate synthase gene expressed in pollen functions in S-RNase independent unilateral incompatibility. AB - Multiple independent and overlapping pollen rejection pathways contribute to unilateral interspecific incompatibility (UI). In crosses between tomato species, pollen rejection usually occurs when the female parent is self-incompatible (SI) and the male parent self-compatible (SC) (the 'SI * SC rule'). Additional, as yet unknown, UI mechanisms are independent of self-incompatibility and contribute to UI between SC species or populations. We identified a major quantitative trait locus on chromosome 10 (ui10.1) which affects pollen-side UI responses in crosses between cultivated tomato, Solanum lycopersicum, and Solanum pennelliiLA0716, both of which are SC and lack S-RNase, the pistil determinant of S-specificity in Solanaceae. Here we show that ui10.1 is a farnesyl pyrophosphate synthase gene (FPS2) expressed in pollen. Expression is about 18-fold higher in pollen of S. pennellii than in S. lycopersicum. Pollen with the hypomorphic S. lycopersicum allele is selectively eliminated on pistils of the F1 hybrid, leading to transmission ratio distortion in the F2 progeny. CRISPR/Cas9-generated knockout mutants (fps2) in S. pennelliiLA0716 are self-sterile due to pollen rejection, but mutant pollen is fully functional on pistils of S. lycopersicum. F2 progeny of S. lycopersicum * S. pennellii (fps2) show reversed transmission ratio distortion due to selective elimination of pollen bearing the knockout allele. Overexpression of FPS2 in S. lycopersicum pollen rescues the pollen elimination phenotype. FPS2-based pollen selectivity does not involve S-RNase and has not been previously linked to UI. Our results point to an entirely new mechanism of interspecific pollen rejection in plants. PMID- 29206321 TI - Factors affecting operative time in robotic thyroidectomy. AB - BACKGROUND: The purpose of this study was to evaluate factors related to operative time in robotic thyroidectomy. METHODS: We retrospectively analyzed 240 patients who underwent robotic thyroidectomy. The total thyroidectomy cases and lobectomy cases were both categorized into those with long operative times (LOTs; upper 25% of cases) and those with short operative times (SOTs; lower 25%). RESULTS: Among the total thyroidectomy cases, body mass index (BMI) >=23 kg/m2 (hazard ratio [HR] 5.34; P = .008) and bilateral central neck dissection (CND; HR 14.92; P = .028) were more frequent in the LOT group in multivariate analysis. Among the lobectomy cases, BMI >=23 kg/m2 (HR 12.92; P = .003) and unilateral CND (HR 21.38; P = .017) were the only independent risk factors for prolonged operative time. CONCLUSION: Body habitus and clinical nodal status in the central compartment should be considered in deciding the indications for robotic thyroidectomy. PMID- 29206323 TI - Impact of intratumoral heterogeneity of breast cancer tissue on quantitative metabolomics using high-resolution magic angle spinning 1 H NMR spectroscopy. AB - High-resolution magic angle spinning (HR MAS) nuclear magnetic resonance (NMR) spectroscopy is increasingly being used to study metabolite levels in human breast cancer tissue, assessing, for instance, correlations with prognostic factors, survival outcome or therapeutic response. However, the impact of intratumoral heterogeneity on metabolite levels in breast tumor tissue has not been studied comprehensively. More specifically, when biopsy material is analyzed, it remains questionable whether one biopsy is representative of the entire tumor. Therefore, multi-core sampling (n = 6) of tumor tissue from three patients with breast cancer, followed by lipid (0.9- and 1.3-ppm signals) and metabolite quantification using HR MAS 1 H NMR, was performed, resulting in the quantification of 32 metabolites. The mean relative standard deviation across all metabolites for the six tumor cores sampled from each of the three tumors ranged from 0.48 to 0.74. This was considerably higher when compared with a morphologically more homogeneous tissue type, here represented by murine liver (0.16-0.20). Despite the seemingly high variability observed within the tumor tissue, a random forest classifier trained on the original sample set (training set) was, with one exception, able to correctly predict the tumor identity of an independent series of cores (test set) that were additionally sampled from the same three tumors and analyzed blindly. Moreover, significant differences between the tumors were identified using one-way analysis of variance (ANOVA), indicating that the intertumoral differences for many metabolites were larger than the intratumoral differences for these three tumors. That intertumoral differences, on average, were larger than intratumoral differences was further supported by the analysis of duplicate tissue cores from 15 additional breast tumors. In summary, despite the observed intratumoral variability, the results of the present study suggest that the analysis of one, or a few, replicates per tumor may be acceptable, and supports the feasibility of performing reliable analyses of patient tissue. PMID- 29206322 TI - 4D flow MRI, cardiac function, and T1 -mapping: Association of valve-mediated changes in aortic hemodynamics with left ventricular remodeling. AB - BACKGROUND: Patients with bicuspid aortic valve (BAV) show altered hemodynamics in the ascending aorta that can be assessed by 4D flow MRI. PURPOSE: Comprehensive cardiac MRI was applied to test the hypothesis that BAV-mediated changes in aortic hemodynamics (wall shear stress [WSS] and velocity) are associated with parameters of left ventricular (LV) remodeling. STUDY TYPE: Retrospective data analysis. POPULATION: Forty-nine BAV patients (mean age = 50.2 +/- 13.5, 62% male). FIELD STRENGTH/SEQUENCE: Balanced steady-state free precession (bSSFP)-CINE, pre- and postcontrast T1 mapping with modified Look Locker inversion recovery (MOLLI), time-resolved 3D phase-contrast (PC) MRI with three-directional velocity encoding (4D flow MRI) at 1.5 and 3T. ASSESSMENT: Quantification of LV volumetric data and myocardial mass, extracellular volume fraction (ECV), aortic valve stenosis (AS), and regurgitation (AR). 3D aortic segmentation, quantification of peak systolic velocities, and 3D WSS in the ascending aorta (AAo), arch, and descending aorta (DAo). STATISTICAL TESTS: Two sided nonpaired t-test to compare subgroups. Pearson correlation coefficient for correlations between aortic hemodynamics and LV parameters. RESULTS: Of the 49 BAV patients, 35 had aortic valve dysfunction (AS [n = 7], AR [n = 16], both AS and AR [n = 12]). Mean systolic WSS in the AAo, peak systolic velocities in the AAo and arch, and LV mass were significantly higher (P < 0.001) in the AS/AR group compared to the patients without AS/AR. In the complete group, we observed significant relationships between increased LV mass and elevated peak systolic velocity (r = 0.57, r = 0.58; P < 0.001) and WSS in the AAo and arch, respectively (r = 0.54, r = 0.46; P < 0.001). We detected an association between ECV and WSS in the AAo (r = 0.38, P = 0.02). These relations did not hold true for patients without AV dysfunction. DATA CONCLUSION: AS and AR in BAV patients have a major impact on elevated aortic peak velocities and WSS that were associated with parameters of LV remodeling. LEVEL OF EVIDENCE: 3 Technical Efficacy: Stage 3 J. Magn. Reson. Imaging 2017. PMID- 29206324 TI - AHNS Series: Do you know your guidelines? Evidence-based management of oral cavity cancers. AB - Oral cavity squamous cell carcinoma (OCSCC) is the most common nonmelanoma head and neck cancer in the world, with an estimated 405 000 new cases expected each year. Subsites of the oral cavity include the alveolar ridge, buccal mucosa, anterior tongue, tonsillar pillar, retromolar trigone, hard palate, gingiva, and floor of the mouth. In this issue of the AHNS "Do you know your guidelines?" series, we review the evidence-based approach to the management of oral cavity carcinomas based on the framework provided by the National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology. PMID- 29206326 TI - Assessing the influence of isoflurane anesthesia on cardiac metabolism using hyperpolarized [1-13 C]pyruvate. AB - Isoflurane is a frequently used anesthetic in small-animal dissolution dynamic nuclear polarization-magnetic resonance imaging (DNP-MRI) studies. Although the literature suggests interactions with mitochondrial metabolism, the influence of the compound on cardiac metabolism has not been assessed systematically to date. In the present study, the impact of low versus high isoflurane concentration was examined in a crossover experiment in healthy rats. The results revealed that cardiac metabolism is modulated by isoflurane concentration, showing increased [1 13 C]lactate and reduced [13 C]bicarbonate production during high isoflurane relative to low isoflurane dose [average differences: +16% [1-13 C]lactate/total myocardial carbon, -22% [13 C]bicarbonate/total myocardial carbon; +51% [1-13 C]lactate/[13 C]bicarbonate]. These findings emphasize that reproducible anesthesia is important when studying cardiac metabolism. As the depth of anesthesia is difficult to control in an experimental animal setting, careful study design is required to exclude confounding factors. PMID- 29206327 TI - Pharyngeal perforation after anterior cervical spine surgery treated by transoral endoscopic surgery. AB - BACKGROUND: Anterior cervical fixation has been used since 1967 for multiple pathologies like traumatism, compressive myelopathy, or spinal infections. METHODS: We report the case of a patient who had undergone cervical spine surgery 10 years previously and presented to our clinic with a pharyngeal fistula due to surgical screw displacement that was treated by transoral endoscopic surgery. RESULTS: The immediate postoperative period occurred without incidence and complete odynophagia resolution. The patient was discharged home the fourth day after surgery. Follow-up after 1 year showed no evidence of spinal fixation hardware mobilization. CONCLUSION: We consider the transoral endoscopic approach a feasible low comorbidity technique to treat anterior cervical plate mobilization with pharyngeal and pharyngoesophageal perforations. PMID- 29206328 TI - Nutritional and hematologic markers as predictors of risk of surgical site infection in patients with head and neck cancer undergoing major oncologic surgery. AB - BACKGROUND: Surgical site infection is a complication of surgery for patients with head and neck cancer. We examined the risk factors for surgical site infection in patients undergoing surgery for head and neck cancer. METHODS: The study involved 369 patients who underwent surgery for head and neck cancer. Hematological and nutritional parameters were measured preoperatively and postoperatively. Univariate and multivariate analyses were used to determine the risk factors for surgical site infection. RESULTS: Of the 369 patients, 104 (28.2%) had surgical site infections: 45 (12.2%) superficial incisional; 6 (1.6%) deep incisional; and 53 (14.4%) organ/space infections. Multivariate analyses showed that history of radiotherapy, weight loss at diagnosis (>5%), preoperative hypoalbuminemia, neutrophil/lymphocyte ratio (NLR), reconstructive surgery, and tracheostomy were the independent factors predictive of surgical site infection. Patients with preoperative low serum albumin levels (<3.3 g/L) had a 3-fold higher risk of surgical site infection. CONCLUSION: Our study shows that patient nutritional and hematological markers are associated with the risk of surgical site infection after major surgery for head and neck cancer. PMID- 29206325 TI - Growing incidence of thyroid carcinoma in recent years: Factors underlying overdiagnosis. AB - There is an increasing incidence of well-differentiated thyroid cancer worldwide. Much of the increase is secondary to increased detection of small, low-risk tumors, with questionable clinical significance. This review addresses the factors that contribute to the increasing incidence and considers environmental, and patient-based and clinician-led influences. Articles addressing the causes of the increased incidence were critically reviewed. A complex interplay of environmental, medical, and social pressures has resulted in increased awareness of the thyroid disease risk, increased screening of thyroid cancers, and increased diagnosis of thyroid cancers. Although there is evidence to suggest that the true disease incidence may be changing slightly, most of the increase is related to factors that promote early diagnosis of low-risk lesions, which is resulting in a significant phenomenon of overdiagnosis. An improved understanding of these pressures at a global level will enable healthcare policymakers to react appropriately to this challenge in the future. PMID- 29206329 TI - Cardiac tissue regeneration: A preliminary study on carbon-based nanotubes gelatin scaffold. AB - The aim of this study was set-up and test of gelatin and carbon nanotubes scaffolds. Gelatin-based (5%) genipin cross-linked (0.2%) scaffolds embedding single-walled carbon nanotubes (SWCNTs, 0.3, 0.5, 0.7, 0.9, and 1.3% w/w) were prepared and mechanically/electrically characterized. For biological evaluation, H9c2 cell line was cultured for 10 days. Cytotoxicity, cell growth and differentiation, immunohistochemistry, and real-time PCR analysis were performed. Myoblast and cardiac differentiation were obtained by serum reduction to 1% (C1% ) and stimulation with 50 nM all trans-retinoic acid (CRA ), respectively. Immunohistochemistry showed elongated myotubes in C1% while round and multinucleated cells in CRA with also a significantly increased expression of natriuretic peptides (NP) and ET-1 receptors in parallel with a decreased ET-1. On scaffolds, cell viability was similar for Gel-SWCNT0.3%/0.9% ; NP and ET systems expression decreased in both concentrations with respect to control and CX-43, mainly due to a lacking of complete differentiation in cardiac phenotype during that time. Although further analyses on novel biomaterials are necessary, these results represent a useful starting point to develop new biomaterial-based scaffolds. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2750-2762, 2018. PMID- 29206330 TI - Differential patterns of dynamic functional connectivity variability of striato cortical circuitry in children with benign epilepsy with centrotemporal spikes. AB - Benign epilepsy with centrotemporal spikes (BECTS) is characterized by abnormal (static) functional interactions among cortical and subcortical regions, regardless of the active or chronic epileptic state. However, human brain connectivity is dynamic and associated with ongoing rhythmic activity. The dynamic functional connectivity (dFC) of the distinct striato-cortical circuitry associated with or without interictal epileptiform discharges (IEDs) are poorly understood in BECTS. Herein, we captured the pattern of dFC using sliding window correlation of putamen subregions in the BECTS (without IEDs, n = 23; with IEDs, n = 20) and sex- and age-matched healthy controls (HCs, n = 28) during rest. Furthermore, we quantified dFC variability using their standard deviation. Compared with HCs and patients without IEDs, patients with IEDs exhibited excessive variability in the dorsal striatal-sensorimotor circuitry related to typical seizure semiology. By contrast, excessive stability (decreased dFC variability) was found in the ventral striatal-cognitive circuitry (p < .05, GRF corrected). In addition, correlation analysis revealed that the excessive variability in the dorsal striatal-sensorimotor circuitry was related to highly frequent IEDs (p < .05, uncorrected). Our finding of excessive variability in the dorsal striatal-sensorimotor circuitry could be an indication of increased sensitivity to regional fluctuations in the epileptogenic zone, while excessive stability in the ventral striatal-cognitive circuitry could represent compensatory mechanisms that prevent or postpone cognitive impairments in BECTS. Overall, the differentiated dynamics of the striato-cortical circuitry extend our understanding of interactions among epileptic activity, striato-cortical functional architecture, and neurocognitive processes in BECTS. PMID- 29206331 TI - Bacterial nanocellulose-IKVAV hydrogel matrix modulates melanoma tumor cell adhesion and proliferation and induces vasculogenic mimicry in vitro. AB - Vasculogenic mimicry process has generated great interest over the past decade. So far, however, there have been only a few matrices available that allow us to study that process in vitro. Here, we have developed an innovative hydrogel platform with defined composition that mimics the structural architecture and biological functions of the extracellular matrix for vasculogenic mimicry of human melanoma cells (SK-MEL-28). We chemically immobilized IKVAV peptide on bacterial nanocellulose (BNC) fibers. BNC-IKVAV hydrogel was found to improve the adhesion and proliferation of SK-MEL-28 cells on the top and bottom surfaces. Particularly, the bottom surface of BNC-IKVAV induced SK-MEL-28 cells to organize themselves as well-established networks related to the vasculogenic mimicry process. Finally, our results showed that not only BNC-IKVAV but also BNC hydrogels can potentially be used as a three-dimensional platform that allows the screening of antitumor drugs. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2741-2749, 2018. PMID- 29206332 TI - Inactivation of mTORC1 Signaling in Osterix-Expressing Cells Impairs B-cell Differentiation. AB - Osteoblasts provide a microenvironmental niche for B-cell commitment and maturation in the bone marrow (BM). Any abnormity of osteoblasts function may result in the defect of B lymphopoiesis. Signaling from mechanistic target of rapamycin complex 1 (mTORC1) has been implicated in regulating the expansion and differentiation of osteoblasts. Thus, we raise a hypothesis that mTORC1 signaling in osteoblasts plays a vital role in B-cell development. Inactivation of mTORC1 in osterix-expressing cells (mainly osteoblast lineage) through Osx-Cre-directed deletion of Raptor (an mTORC1-specific component) resulted in a reduction in the total B-cell population in the BM, which was due to a block in early B-cell development from the pro-B to pre-B cell stage. Further mechanistic studies revealed that this defect was the result of reduction of interleukin-7 (IL-7) expression in osterix-expressing immature osteoblasts, which caused the abnormality of IL-7/Stat5 signaling in early B lymphocytes, leading to an increased apoptosis of pre-B plus immature B cells. In vitro and in vivo studies demonstrated that the addition of exogenous IL-7 partially restored B lymphopoiesis in the BM of Raptor mutant mice. Furthermore, total BM cells cultured in conditioned media from Raptor null immature osteoblasts or media with anti-IL-7 neutralizing antibody failed to differentiate into pre-B and immature B cells, indicating that inactivation of mTORC1 in immature osteoblast cannot fully support normal B-cell development. Taken together, these findings demonstrate a novel role for mTORC1 in the regulation of bone marrow environments that support B-cell differentiation via regulating IL-7 expression. (c) 2017 American Society for Bone and Mineral Research. PMID- 29206333 TI - A Chemical View on X-ray Photoelectron Spectroscopy: the ESCA Molecule and Surface-to-Bulk XPS Shifts. AB - In this paper we remind the reader of a simple, intuitive picture of chemical shifts in X-ray photoelectron spectroscopy (XPS) as the difference in chemical bonding between the probed atom and its neighbor to the right in the periodic table, the so called Z+1 approximation. We use the classical ESCA molecule, ethyl trifluoroacetate, and 4d-transition metals to explicitly demonstrate agreement between core-level shifts computed as differences between final core-hole states and the approach where each core-ionized atom is replaced by a Z+1 atom. In this final state, or total energy picture, the XPS shift arises due to the more or less unfavorable chemical bonding of the effective nitrogen in the carbon geometry for the ESCA molecule. Surface core level shifts in metals are determined by whether the Z+1 atom as an alloy segregates to the surface or is more soluble in the bulk. As further illustration of this more chemical picture, we compare the geometry of C 1s and O 1s core-ionized CO with that of, respectively, NO+ and CF+ . The scope is not to propose a new method to compute XPS shifts but rather to stress the validity of this simple interpretation. PMID- 29206334 TI - Non-diabetic renal disease in patients with type 2 diabetes: a single centre study. AB - BACKGROUND: Non-diabetic renal disease (NDRD) has been widely known in diabetic patients. The clinical differentiation between diabetic nephropathy (DN) and NDRD is still not so clear and effective. AIM: To analyse the pathological characteristics and distribution of renal injury in selected type 2 diabetic patients. Comparison between DN and NDRD in clinical characteristics, to find important predictors for NDRD. METHODS: To conduct retrospective analysis of clinical, laboratory and pathohistological data of type 2 diabetic patients in whom renal biopsies were performed from March 2010 to September 2014 in Shandong Provincial Hospital affiliated to Shandong University (n = 88). RESULTS: According to the findings of renal biopsy, the incidences of DN, NDRD and DN complicated with NDRD were 20.46, 72.73 and 6.82% respectively. The most common NDRD found were: membranous nephropathy, followed by IgA nephropathy and focal segmental glomerulosclerosis. In multivariate logistic-analysis, fasting blood glucose (odds ratio (OR) 0.714; 95% confidence interval (CI) = 0.543-0.939; P = 0.016) and absence of diabetic retinopathy (OR 18.602; 95% CI = 2.176-159.018; P = 0.003) were independent predictors of NDRD. CONCLUSIONS: This study confirmed a considerably high prevalence of NDRD in type 2 diabetic patients with renal injury. As some cases of NDRD are readily treatable or remittable, we should consider renal biopsy in selected diabetic patients with renal involvement, especially in those with effective blood glucose control and the absence of diabetic retinopathy. PMID- 29206335 TI - Conversion of Olefins into Ketones by an Iron-Catalyzed Wacker-type Oxidation Using Oxygen as the Sole Oxidant. AB - We describe a mild and operationally simple procedure for the oxidation of olefins into ketones. The reaction is catalyzed by the hexadecafluorinated iron phthalocyanine complex FePcF16 with stoichiometric amounts of triethylsilane as an additive under oxygen atmosphere to give ketones in good to high yields with excellent chemoselectivity and functional group tolerance. Ketone formation proceeds in up to 95 % yield and with 100 % regioselectivity while the corresponding alcohols were observed as side products. PMID- 29206336 TI - Claims-based studies of oral glucose-lowering medications can achieve balance in critical clinical variables only observed in electronic health records. AB - AIM: To evaluate the extent to which balance in unmeasured characteristics of patients with type 2 diabetes (T2DM) was achieved in claims data, by comparing against more detailed information from linked electronic health records (EHR) data. METHODS: Within a large US commercial insurance database and using a cohort design, we identified patients with T2DM initiating linagliptin or a comparator agent within class (ie, another dipeptidyl peptidase-4 inhibitor) or outside class (ie, pioglitazone or a sulphonylurea) between May 2011 and December 2012. We focused on comparators used at a similar stage of diabetes to linagliptin. For each comparison, 1:1 propensity score (PS) matching was used to balance >100 baseline claims-based characteristics, including proxies of diabetes severity and duration. Additional clinical data from EHR were available for a subset of patients. We assessed representativeness of the claims-EHR-linked subset, evaluated the balance of claims- and EHR-based covariates before and after PS matching via standardized differences (SDs), and quantified the potential bias associated with observed imbalances. RESULTS: From a claims-based study population of 166 613 patients with T2DM, 7219 (4.3%) patients were linked to their EHR data. Claims-based characteristics in the EHR-linked and EHR-unlinked patients were similar (SD < 0.1), confirming the representativeness of the EHR linked subset. The balance of claims-based and EHR-based patient characteristics appeared to be reasonable before PS-matching and generally improved in the PS matched population, to be SD < 0.1 for most patient characteristics and SD < 0.2 for select laboratory results and body mass index categories, which was not large enough to cause meaningful confounding. CONCLUSION: In the context of pharmacoepidemiological research on diabetes therapy, choosing appropriate comparison groups paired with a new-user design and 1:1 PS matching on many proxies of diabetes severity and duration improves balance in covariates typically unmeasured in administrative claims datasets, to the extent that residual confounding is unlikely. PMID- 29206337 TI - Organocatalytic Enantioselective Higher-Order Cycloadditions of In Situ Generated Amino Isobenzofulvenes. AB - The [8+2] cycloaddition of indene-2-carbaldehydes and nitro olefins is described to provide benzonorbornene scaffolds in a highly peri-, diastereo-, and enantioselective fashion in the presence of a C2 -symmetric aminocatalyst. This reaction, which proceeds through a transient semi-aromatic amino isobenzofulvene, represents the first example of catalytic formation and transformation of these species. Quantum chemical calculations suggest a kinetically controlled stepwise mechanism where the stereochemistry is determined in the first bond-forming event. Beyond the useful [8+2] cycloadducts, [10+4] cycloadducts have been identified in silico as potential off-pathway intermediates. PMID- 29206338 TI - Alphanumerical Visual Display Made of DNA Logic Gates for Drug Susceptibility Testing of Pathogens. AB - Molecular diagnostics of drug-resistant pathogens require the analysis of point mutations in bacterial or viral genomes, which is usually performed by trained professionals and/or by sophisticated computer algorithms. We have developed a DNA-based logic system that autonomously analyzes mutations found in the genome of Mycobacterium tuberculosis complex (MTC) bacteria and communicates the output to a human user as alphanumeric characters read by the naked eye. The five-gate system displays "O" ("no infection") for the absence of MTC infection and "P" or "F" for passing or failing a drug-susceptibility test, respectively. PMID- 29206340 TI - A Permselective CeOx Coating To Improve the Stability of Oxygen Evolution Electrocatalysts. AB - Highly active NiFeOx electrocatalysts for the oxygen evolution reaction (OER) suffer gradual deactivation with time owing to the loss of Fe species from the active sites into solution during catalysis. The anodic deposition of a CeOx layer prevents the loss of such Fe species from the OER catalysts, achieving a highly stable performance. The CeOx layer does not affect the OER activity of the catalyst underneath but exhibits unique permselectivity, allowing the permeation of OH- and O2 through while preventing the diffusion of redox ions through the layer to function as a selective O2 -evolving electrode. The use of such a permselective protective layer provides a new strategy for improving the durability of electrocatalysts. PMID- 29206339 TI - Reversibility of myocardial metabolism and remodelling in morbidly obese patients 6 months after bariatric surgery. AB - AIMS: To study myocardial substrate uptake, structure and function, before and after bariatric surgery, to clarify the interaction between myocardial metabolism and cardiac remodelling in morbid obesity. METHODS: We studied 46 obese patients (age 44 +/- 10 years, body mass index [BMI] 42 +/- 4 kg/m2 ), including 18 with type 2 diabetes (T2D) before and 6 months after bariatric surgery and 25 healthy age-matched control group subjects. Myocardial fasting free fatty acid uptake (MFAU) and insulin-stimulated myocardial glucose uptake (MGU) were measured using positron-emission tomography. Myocardial structure and function, and myocardial triglyceride content (MTGC) and intrathoracic fat were measured using magnetic resonance imaging and magnetic resonance spectroscopy. RESULTS: The morbidly obese study participants, with or without T2D, had cardiac hypertrophy, impaired myocardial function and substrate metabolism compared with the control group. Surgery led to marked weight reduction and remission of T2D in most of the participants. Postoperatively, myocardial function and structure improved and myocardial substrate metabolism normalized. Intrathoracic fat, but not MTGC, was reduced. Before surgery, BMI and MFAU correlated with left ventricular hypertrophy, and BMI, age and intrathoracic fat mass were the main variables associated with cardiac function. The improvement in whole-body insulin sensitivity correlated positively with the increase in MGU and the decrease in MFAU. CONCLUSIONS: In the present study, obesity and age, rather than myocardial substrate uptake, were the causes of cardiac remodelling in morbidly obese patients with or without T2D. Cardiac remodelling and impaired myocardial substrate metabolism are reversible after surgically induced weight loss and amelioration of T2D. PMID- 29206341 TI - Diversity-Oriented Synthesis of Furo[3,2-c]coumarins and Benzofuranyl Chromenones through Chemoselective Acylation/Wittig Reaction. AB - A highly efficient and chemoselective one-pot protocol for the diversity-oriented synthesis of two types of coumarin-based formal cross-coupling adducts, furo[3,2 c]coumarins and 3-benzofuranyl chromenones, is described. Key attributes of the methodology are an initial chemoselective acylation of functionalized phosphorus zwitterions and a subsequent chemoselective intramolecular Wittig reaction that preferentially resulted in one of the two coumarin derivatives in high yield, depending on relative reactivities and the addition sequence of the acylating agents. PMID- 29206342 TI - Solventless and Metal-Free Synthesis of High-Molecular-Mass Polyaminoboranes from Diisopropylaminoborane and Primary Amines. AB - The solventless reaction of diisopropylaminoborane with n-butylamine, at room temperature, leads to a mixture of B(sp2) H-, B(sp3) H2 -, and B(sp3) H3 containing species. At low temperature, the reaction outcome is completely modified, thus leading selectively to the formation of high-mass polybutylaminoborane. When extended to a variety of primary amines, under solventless conditions and at low temperature, this reaction provides a new, efficient, and direct metal-free access to high-molecular-mass polyaminoboranes in good to high yields under mild reaction conditions. PMID- 29206343 TI - Selective Oxidative [4+2] Imine/Alkene Annulation with H2 Liberation Induced by Photo-Oxidation. AB - The oxidative [4+2] annulation reaction represents an elegant and versatile synthetic protocol for the construction of six-membered heterocyclic compounds. Herein, a photoinduced oxidative [4+2] annulation of NH imines and alkenes was developed by utilizing a dual photoredox/cobaloxime catalytic system. Various multisubstituted 3,4-dihydroisoquinolines can be obtained in good yields. This method is not only obviated the need of stiochiometric amounts of oxidants but also exhibited excellent atom economy by generating H2 as the only byproduct. Remarkably, high regioselectivity and trans diastereoselectivity can be achieved in this transformation even if the Z/E mixture of alkenes were employed. PMID- 29206344 TI - Balancing selection maintains cryptic colour morphs. AB - Animals display incredibly diverse colour patterns, a testament to evolution's endless innovation in shaping life. In many species, the interplay between males and females in the pursuit of mates has driven the evolution of a myriad of colour forms, from the flashy peacock tail feathers to the tiniest colour markings in damselflies. In others, colour provides crypsis by allowing to blend into the background and to escape the eyes of predators. While the obvious benefits of this dazzling diversity for reproduction and survival seem straightforward, its maintenance is not. Theory predicts that genetic drift and various forms of selection reduce variation over time, making the persistence of colour variants over generations a puzzle. In this issue of Molecular Ecology, Lindtke et al. () study the cryptic colour morphs of Timema cristinae walking sticks to shed light on the genetic architecture and mechanisms that allow colour polymorphism maintenance over long timescales. By combining genome-wide data with phenotyping information from natural populations, they were able to map the green and melanistic colour to one genomic region with highly reduced effective recombination rate between two main chromosomal variants, consistent with an inversion polymorphism. These two main chromosomal variants showed geographically widespread heterozygote excess, and genomic signatures consistent with long-term balancing selection. A younger chromosomal variant was detected for the third morph, the green-striped colour morphs, in the same genomic regions as the melanistic and the green-unstriped morphs. Together, these results suggest that the genetic architecture of cryptic T. cristinae morphs is caused by nonrecombining genomic blocks that have been maintained over extended time periods by balancing selection making this study one of the few available empirical examples documenting that balancing selection of various forms may play an important role in maintaining adaptive genetic variation in nature. PMID- 29206345 TI - Synthesis and Evaluation of N-Phenylpyrrolamides as DNA Gyrase B Inhibitors. AB - ATP-competitive inhibitors of DNA gyrase and topoisomerase IV are among the most interesting classes of antibacterial drugs that are unrepresented in the antibacterial pipeline. We developed 32 new N-phenylpyrrolamides and evaluated them against DNA gyrase and topoisomerase IV from E. coli and Staphylococcus aureus. Antibacterial activities were studied against Gram-positive and Gram negative bacterial strains. The most potent compound displayed an IC50 of 47 nm against E. coli DNA gyrase, and a minimum inhibitory concentration (MIC) of 12.5 MUm against the Gram-positive Enterococcus faecalis. Some compounds displayed good antibacterial activities against an efflux-pump-deficient E. coli strain (MIC=6.25 MUm) and against wild-type E. coli in the presence of efflux pump inhibitor PAbetaN (MIC=3.13 MUm). Here we describe new findings regarding the structure-activity relationships of N-phenylpyrrolamide DNA gyrase B inhibitors and investigate the factors that are important for the antibacterial activity of this class of compounds. PMID- 29206346 TI - Novel approaches to antifungal therapy. PMID- 29206347 TI - Challenges of the economic and social effects of diabetes in low- and middle income countries. PMID- 29206348 TI - Perfusion-based fluorescence imaging method delineates diverse organs and identifies multifocal tumors using generic near-infrared molecular probes. AB - Rapid detection of multifocal cancer without the use of complex imaging schemes will improve treatment outcomes. In this study, dynamic fluorescence imaging was used to harness differences in the perfusion kinetics of near-infrared (NIR) fluorescent dyes to visualize structural characteristics of different tissues. Using the hydrophobic nontumor-selective NIR dye cypate, and the hydrophilic dye LS288, a high tumor-to-background contrast was achieved, allowing the delineation of diverse tissue types while maintaining short imaging times. By clustering tissue types with similar perfusion properties, the dynamic fluorescence imaging method identified secondary tumor locations when only the primary tumor position was known, with a respective sensitivity and specificity of 0.97 and 0.75 for cypate, and 0.85 and 0.81 for LS288. Histological analysis suggests that the vasculature in the connective tissue that directly surrounds the tumor was a major factor for tumor identification through perfusion imaging. Although the hydrophobic dye showed higher specificity than the hydrophilic probe, use of other dyes with different physical and biological properties could further improve the accuracy of the dynamic imaging platform to identify multifocal tumors for potential use in real-time intraoperative procedures. PMID- 29206349 TI - Mood, body image, fear of kidney failure, life satisfaction, and decisional stability following living kidney donation: Findings from the KDOC study. AB - Prior studies demonstrate that most living kidney donors (LKDs) report no adverse psychosocial outcomes; however, changes in psychosocial functioning at the individual donor level have not been routinely captured. We studied psychosocial outcomes predonation and at 1, 6, 12, and 24 months postdonation in 193 LKDs and 20 healthy controls (HCs). There was minimal to no mood disturbance, body image concerns, fear of kidney failure, or life dissatisfaction, indicating no incremental changes in these outcomes over time and no significant differences between LKDs and HCs. The incidence of any new-onset adverse outcomes postdonation was as follows: mood disturbance (16%), fear of kidney failure (21%), body image concerns (13%), and life dissatisfaction (10%). Multivariable analyses demonstrated that LKDs with more mood disturbance symptoms, higher anxiety about future kidney health, low body image, and low life satisfaction prior to surgery were at highest risk of these same outcomes postdonation. It is important to note that some LKDs showed improvement in psychosocial functioning from pre- to postdonation. Findings support the balanced presentation of psychosocial risks to potential donors as well as the development of a donor registry to capture psychosocial outcomes beyond the mandatory 2-year follow-up period in the United States. PMID- 29206350 TI - Isolated v-lesion in kidney transplant recipients: Characteristics, association with DSA, and histological follow-up. AB - Isolated v-lesion (IvL) represents a rare and challenging situation in renal allograft biopsies because it is unknown whether IvL truly represents rejection, antibody- or T cell-mediated, or not. This multicentric retrospective study describes the clinicopathological features of IvL with an emphasis on the donor specific antibody (DSA) status, histological follow-up, and graft survival. Inclusion criteria were the presence of v-lesion with minimal interstitial (i <= 1) and microvascular inflammation (g + ptc<=1). C4d-positive biopsies were excluded. We retrospectively found 33 IvL biopsies in 33 patients, mainly performed in the early posttransplantation period (median time 27 days) and clinically indicated in 66.7%. A minority of recipients (5/33, 15.2%) had DSA at the time of biopsy. IvL was treated by anti-rejection therapy in 21 cases (63.6%), whereas 12 (36.4%) were untreated. Seventy percent of untreated patients and 66% of treated patients showed favorable histological evolution on subsequent biopsy. Kidney graft survival in IvL was significantly higher than in a matched cohort of antibody-mediated rejection with arteritis. In conclusion, IvL is not primarily antibody-mediated and may show a favorable evolution. The heterogeneity of IvL pathophysiology on early biopsies should prompt DSA testing as well as close clinical and histological follow-up in all patients with IvL. PMID- 29206351 TI - Do all patients with renal cell carcinoma need a chest computed tomography? PMID- 29206352 TI - Anomalous observation with regard to prostate cancer in cancer research. PMID- 29206353 TI - Immortal-time bias: a crucial yet overlooked confounder in urological research. PMID- 29206354 TI - Combination treatments for overactive bladder refractory to first-line pharmacotherapy: do they meet expectations? PMID- 29206355 TI - From Novick to the NHS: the evolution of minimally-invasive nephron-sparing surgery. PMID- 29206356 TI - Formation and Isolation of a Four-Electron-Reduced Porphyrin Derivative by Reduction of a Stable 20pi Isophlorin. AB - The two-electron reduction of a diprotonated dodecaphenylporphyrin derivative by Na2 S2 O4 gave a corresponding isophlorin (Iph) selectively. Formation of Iph was confirmed by spectroscopic measurements and the isolation of tetramethylated Iph. Further reduction of Iph proceeded to form an unprecedented four-electron-reduced porphyrin (IphH2 ), which was fully characterized by spectroscopic and X-ray crystallographic analysis. IphH2 , with a unique conformation, could be oxidized to reproduce the starting porphyrin, resulting in a proton-coupled four-electron reversible redox system. PMID- 29206358 TI - Implementing and evaluating early intervention for children with autism: Where are the gaps and what should we do? AB - : Despite recent advances, the evidence base supporting early intervention for young children with autism spectrum disorder (ASD) remains relatively sparse. The International Society for Autism Research (INSAR) recently sponsored a Special Interest Group (SIG) on Implementing and Evaluating Community-Based Early Intervention. Across three meetings, in 2015, 2016, and 2017, conveners of this SIG engaged >200 members to identify knowledge gaps and research priorities for moving the field forward. Here, we summarize the perspectives that emerged from group discussion at the SIG meetings as represented by scholars working actively in the field. Despite encouraging progress, critical gaps and research priorities were identified across all the stages of intervention development and testing from conceptualization to community implementation. Key issues include the need for (a) formal theories to guide early intervention development, evaluation, and implementation; and alignment of intervention goals with scientific knowledge and societal changes that have occurred in the decades since interventions were originally developed; (b) increased focus on feasibility of treatment procedures and alignment with stakeholder values during pilot evaluations; (c) use of research designs that allow for comparisons of different interventions and formats, analyses of active ingredients of treatment, and identification of moderators and mediators of outcome; (d) use of community-partnered participatory research to guide adaptation of intervention models to community settings; (e) inclusion of constructs related to implementation processes and outcomes in treatment trials and; (f) an iterative approach to the progression of knowledge from intervention development to implementation. Autism Res 2018, 11: 16-23. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: In this article, we summarize the themes discussed at the INSAR Special Interest Group (SIG) on Implementing and Evaluating Community-Based Early Intervention. Priorities for moving the field forward identified in the SIG included the need for (a) formal theories to guide the development and evaluation of interventions, (b) pilot evaluations that investigate feasibility and acceptability of interventions, (c) methodologies that allow us to determine for whom different interventions bring most benefit and why this is so, (d) strategies to include community members and other stakeholders in the process of developing and evaluating interventions, and (e) understanding of factors that make interventions more likely to be adopted and successfully implemented in the real world. PMID- 29206357 TI - Understanding uptake of an intervention to accelerate antiretroviral therapy initiation in Uganda via qualitative inquiry. AB - INTRODUCTION: The Streamlined Antiretroviral Therapy Initiation Strategy (START ART) study found that a theory-based intervention using opinion leaders to inform and coach health care providers about the risks of treatment delay, provision of point of care (POC) CD4 testing machines (PIMA) and reputational incentives, led to rapid rise in ART initiation. We used qualitative research methods to explore mechanisms of provider behaviour change. METHODS: We conducted in-depth interviews (IDIs) with 24 health care providers and nine study staff to understand perceptions, attitudes and the context of changes in ART initiation practices. Analyses were informed by the Theoretical Domains Framework. RESULTS: Rapid dissemination of new practices was enabled in the environmental context of an existing relationship based on communication, implementation and accountability between Makerere University Joint AIDS Program (MJAP), a Ugandan University-affiliated organization that provided technical oversight for HIV service delivery at the health facilities where the intervention was implemented, and a network of health facilities operated by the Uganda Ministry of Health. Coaching carried out by field coordinators from MJAP strengthened influence and informal accountability for carrying out the intervention. Frontline health workers held a pre-existing strong sense of professional identity. They were proud of attainment of new knowledge and skills and gratified by providing what they perceived to be higher quality care. Peer counsellors, who were not explicitly targeted in the intervention design, effectively substituted some functions of health care providers; as role models for successful ART uptake, they played a crucial role in creating demand for rapid ART initiation through interactions with patients. Point of care (POC) CD4 testing enabled immediate action and relieved providers from frustrations of lost or delayed laboratory results, and led to higher patient satisfaction (due to reduced costs because of ability to initiate ART right away, requiring fewer return trips to clinic). CONCLUSIONS: Qualitative data revealed that a multicomponent intervention to change provider behaviour succeeded in the context of strong institutional and individual relationships between a University-affiliated organization, government facilities, and peer health workers (who acted as a crucial link between stakeholders) and the community. Fostering stable institutional relationships between institutional actors (non-governmental organization (NGOs) and ministry operated facilities) as well as between facilities and the community (through peer health workers) can enhance uptake of innovations targeting the HIV cascade in similar clinical settings. PMID- 29206359 TI - Parent-infant co-sleeping and the implications for sudden infant death syndrome. AB - In 2015 the National Institute for Health and Care Excellence (NICE) updated its 2006 guideline to clarify the association between parent infant co-sleeping and sudden infant death syndrome (SIDS). The practice of co-sleeping is a topic of continuing controversy and debate. Rather than highlighting the risks, the emphasis of the NICE guideline is to provide parents with balanced information so that they can make informed decisions about where their babies sleep. This contradicts previous public health messages on co-sleeping that discourages parents from the practice. Consequently, the updated national guideline has been criticised for failing to provide parents with safer sleep information, which has led to widespread confusion for parents and professionals. Health professionals can deliver safer sleep advice to support parents in their decision-making. However, as a result of inconsistent guidelines and evidence about parent-infant co-sleeping, health professionals may feel apprehensive and ill-equipped to provide advice and support. This article draws on a non-exhaustive literature review to discuss the risks and benefits of parent-infant co-sleeping, and the implications of this practice for SIDS. It also aims to provide transparency and improve understanding for health professionals so that they can support parents to adopt safer sleep strategies for their baby. PMID- 29206360 TI - Effect of a children's at-home nursing team on reducing emergency admissions. AB - This article explores the effect of a children's at-home nursing team, Hospital at Home (H@H), which aimed to reduce demand on acute hospital beds, support families to improve patient experience, and empower parents to care safely for their unwell children and help prevent emergency department (ED) reattendance. Data on demographics and clinical presentation of H@H and ED attendances were collected and compared. A survey measuring parents' confidence in managing their unwell children was also conducted. Of 72 patients treated by the H@H service between May and July 2016, 32 (44%) would have been admitted to hospital from the ED if the H@H service had not existed. This is equivalent to a saving of 64 bed days. Patients treated by the H@H service had similar demographics to those discharged from the ED to usual care. The H@H service took on patients with higher Bedside Paediatric Early Warning System scores before discharge. Parents reported that they would be more confident caring for their children after discharge from the H@H service. The H@H service decreased the number of unnecessary ED admissions. The service promotes a positive patient experience and increases parents' confidence when caring for unwell children at home. PMID- 29206361 TI - Service user involvement in preregistration child nursing programmes. AB - Service user involvement is a fundamental part of preregistration nursing education programmes, however achieving this for child nursing students is challenging. Service user involvement can be achieved through online forums but this method can lack the emotional interaction and opportunity for deep reflection. This article reviews the background and challenges of service user involvement in preregistration child nursing programmes, further exploring the evaluation of a group of final year child nursing students' experience of appreciating the journey of two service users. The input from service users provided the opportunity for reflection, empathy and improved student self awareness in nursing practice. Students gained perspective of the holistic needs of the service user, which empowered them to have confidence in their communication skills to ensure the voice of the child is heard and their rights are upheld. This article concludes that service user involvement is crucial in preregistration nursing programmes for the development of child nursing students, not only affecting their training but also the future workforce. PMID- 29206362 TI - Prevalence of neonate adhesive skin injuries in a Jordanian intensive care unit. AB - AIM: To determine the prevalence of adhesive skin injuries in neonates in a Jordanian neonatal intensive care unit (NICU) and to examine the characteristics of neonates with these injuries. METHOD: A cross-sectional period-prevalence study was conducted in a NICU in Irbid National University Hospital in Jordan. A total of 169 neonates were examined for skin injuries caused by adhesive equipment. RESULTS: The prevalence of skin injuries in this population was 26.6%. The injuries were located mostly on the face, arms, hands and chest, and were caused by endotracheal tubes, intravenous cannulae, fixation of nasogastric tubes and electrodes. Neonates with skin injuries were more likely to be preterm and underweight, to have respiratory problems and to have been connected to a mechanical ventilator. CONCLUSION: Adhesive skin injuries were found in more than one quarter of the neonates in this NICU and healthcare service providers should endeavour to minimise the occurrence of these injuries. PMID- 29206363 TI - In Their Own Words. PMID- 29206364 TI - Above the Atmosphere: Unique medical challenges for commercial space flight tourism. PMID- 29206365 TI - Stroke Detector: Ultrasound and telemedicine could allow paramedics to confirm stroke. PMID- 29206366 TI - Shocking Double: A review of what we know about double sequential external defibrillation. PMID- 29206367 TI - Gall Bladder Cancer. AB - Gallbladder carcinoma (GBC) is the most common biliary epithelial malignancy, with an estimated 10,910 new cases and 3700 deaths per year (Siegel et al. in CA Cancer J Clin 65:5-29, 2015 [1]). This disease's insidious nature and typically late presentation place it among the most lethal of invasive neoplasms. Gallbladder cancer spreads early by lymphatic or hematogenous metastasis and by direct invasion into the liver. While surgery may well be curative at early stages, both surgical and nonsurgical treatments remain largely unsuccessful in patients with more advanced disease. PMID- 29206368 TI - Diagnosis and Management of Intrahepatic and Extrahepatic Cholangiocarcinoma. AB - Cholangiocarcinomas (CC) are rare tumors which usually present late and are often difficult to diagnose and treat. CCs are categorized as intrahepatic, hilar, or extrahepatic. Epidemiologic studies suggest that the incidence of intrahepatic CCs may be increasing worldwide. In this chapter, we review the risk factors, clinical presentation, and management of cholangiocarcinoma. PMID- 29206369 TI - Hepatocellular Carcinoma: Surgical Management and Evolving Therapies. AB - HCC is the second leading cause of cancer death worldwide. The majority of cases arise within the background of liver cirrhosis and are most commonly related to chronic hepatitis B and C viral infection. Surgical resection, liver transplantation, and tumour ablation are potentially curative modalities in cases of localized, non-metastatic, hepatocellular carcinoma. Systemic sorafenib has been shown to be marginally effective in slow disease progression in patients whose cirrhosis is so severe that they are not candidates for liver directed therapy and in those with metastatic disease. Several large prospective and retrospective studies have demonstrated transplantation to provide better long term outcomes than resection in patients with small volume carcinoma. Other small retrospective series have demonstrated similar outcomes for patients with well matched tumour characteristics and compensated cirrhosis. There is not even level one evidence to guide the choice of modality to be used in individual cases and treatment algorithms vary widely among high volume centres. Newer and emerging techniques and approaches such as laparoscopic liver resection and living donor transplantation continue to evolve and impact choice of treatment in absence of well-controlled comparative trials. For locally advanced disease and in patients with significant cirrhosis, interventional technologies such as transarterial chemoembolization or transarterial radioembolization can provide disease control or result in tumour regression and hypertrophy in the future liver remnant and may allow interval resection or down-staging to liver transplantation. Improving transarterial, surgical, and transplant techniques continue to expand the surgical and interventional options for managing localized HCC and are driving a shift towards aggressive multimodality therapy in patients with localized hepatoma. PMID- 29206370 TI - Clinical Features of Metastatic Hepatic Malignancies. AB - The liver is a common site for gastrointestinal tumor metastases as it is the first major organ reached by blood draining the portal venous system. With the development of more effective chemotherapeutic agents which may eradicate residual microscopic disease in the liver and help reduce known tumor burden, partial hepatectomy to remove gross metastatic disease will likely become increasingly utilized in the future. This chapter discusses the presentation and clinical factors in liver directed surgical resection. PMID- 29206371 TI - Editorial: Anthony J. Thomas Jr. PMID- 29206372 TI - Focal therapy will be the next step on prostate cancer management? | Opinion: Yes. PMID- 29206374 TI - Repeat Hepatectomy for Colorectal Liver Metastases. AB - Surgical resection of hepatic metastatic disease from colorectal cancer offers the best survival advantage when compared to other treatment modalities as survival from unresected disease is rare. Even after adequate surgical excision of colorectal cancer, 20-40 % of patients will develop recurrent disease to the liver. This chapter discusses the management of patients with recurrent colorectal metastases to the liver after initial resection and offers strategies to optimize and guide their treatment with a multimodality approach. PMID- 29206373 TI - Focal therapy will be the next step on prostate cancer management? | Opinion: No. PMID- 29206375 TI - Minimally Invasive Surgery of the Liver. AB - Operations on the liver have been undertaken for centuries for numerous indications including trauma, infections, and even for malignancy, but it was not until the past few decades that rates dramatically increased. This expanse in liver operations is due to a multitude of factors, including broader indications as well as improved safety. Our understanding of metastatic disease to the liver, especially colorectal cancer metastases, has vastly amplified the number of patients who would be candidates for hepatic resections and liver-directed therapies. We will focus our discussion here on planned minimally invasive operations for benign and malignant tumors as the majority of the literature relates to this setting. PMID- 29206376 TI - Locoregional Therapies for Primary and Secondary Hepatic Malignancies. AB - Management of hepatic malignancies is a multidisciplinary task with the involvement of hepatologists, medical/surgical oncologists, transplant surgeons, and interventional radiologists. The patients should be selected for a specific targeted therapy after multidisciplinary consensus. Interventional oncology has established its role in the management of hepatic malignancies. Image-guided locoregional therapies decrease the rate of systemic toxicity without compromising tumoricidal effect. PMID- 29206377 TI - Pathologic Features of Primary and Metastatic Hepatic Malignancies. AB - In the mammalian liver, 60 % of the cellular components are hepatocytes while the remainder (35 %) includes biliary epithelium, Kupffer cells, endothelial cells, fat storing cells and connective tissue cells. Although neoplasms of hepatocytes are the most common, a significant number of both benign and malignant primary liver neoplasms arising from other cell types can develop, such as tumors of bile duct epithelium (Table 1). In addition, the liver is one of the most susceptible sites for metastatic tumors arising from other organs of the body. Not too long ago, liver tumors were left untreated because the liver was considered a complex and mysterious organ inaccessible to surgery. Advances in imaging procedures and surgical techniques over the past 40 years have revolutionized the approaches to the treatment of benign and malignant liver tumors. Subsegmentectomy, segmentectomy, lobectomy, and transplantation are routinely performed for the treatment of primary and metastatic liver tumors with minimal morbidity and mortality. Since accurate diagnosis remains the key to clinical and surgical management, the emphasis of this chapter is on classification, morphological features and differential diagnosis of malignant neoplasms of the liver. PMID- 29206378 TI - Robotic Rectal Cancer Surgery. AB - There are an estimated 39,000 new cases of rectal cancer in the United States per year which makes it the third most prevalent cancer when paired with colon cancer. Given its complexity, there are now multiple modalities available for its successful treatment. This includes innovative chemotherapy, radiation, transanal resection techniques, and minimally invasive surgery. Robotic surgery for the treatment of rectal cancer represents the current pinnacle of minimally invasive technology for this disease process. PMID- 29206379 TI - Pet Patients: Assessment and treatment of dogs and cats involved in structure fires. PMID- 29206380 TI - Pathologic Features of Primary Colon, Rectal, and Anal Malignancies. AB - In the United States, colorectal cancer is the third most commonly diagnosed cancer in both men and women, as well as the third leading cause of cancer deaths (Colorectal cancer facts & figures 2014-2016, 2014 [2]). Worldwide, colorectal cancer is the fourth leading cause of death and causes almost 700,000 deaths each year (Cancer: fact sheet No. 297, 2015 [55]). This chapter discusses the clinical and pathologic features of the spectrum of epithelial, hematolymphoid, and mesenchymal malignant tumors of the colon, rectum, appendix, and anus. PMID- 29206381 TI - Importance of Adequate Lymphadenectomy in Gastrointestinal Cancer. AB - One of the most important factors influencing cancer-specific survival in the field GI oncology is the presence of positive lymph nodes. Although it remains controversial, adequate lymph node examination is required for accurate staging such that patients can receive correct adjuvant treatments and for stratification in clinical trials. Nevertheless, wide variation in the quality of lymph node examination exists in the US and many centers are not meeting guideline treatment recommendations. PMID- 29206382 TI - Bachelor's Benefits: The pros and cons of higher education as an EMS provider. PMID- 29206383 TI - Circulating Tumor Cells in Gastrointestinal Cancer: Current Practices and Future Directions. AB - GI cancers are the leading cause of cancer-related death worldwide primarily due to a combination of late presentation and aggressive biology. The lack of adequate biomarkers for screening, diagnosis, staging, and prognosis confounds clinical decision-making and delays potentially effective therapies. Circulating tumor cells (CTCs) are a new biomarker with particular promise in GI cancers, potentially offering clinicians and researchers real-time access to tumor tissue in a reliable, safe, and cost-effective manner. Preliminary studies have investigated the potential clinical utility of CTCs for all GI cancer types with promising results. Furthermore, advances in single cell analytics have been successfully applied to CTCs, allowing for exciting new clinical and research applications. In this chapter, we will review the current state of CTC research in GI cancers as well as the potential future applications that are currently being developed. PMID- 29206384 TI - Cost-Effectiveness Analysis in Cancer Care. AB - With the increasing complexity of modern medical therapies, it is becoming imperative to recognize the marginal cost and gains of increasingly sophisticated (and expensive) interventions. By understanding the incremental cost of a given intervention, investigators must help answer questions about healthcare resource utilization that are not answered by randomized clinical trials. The continued funding of biomedical research and pharmaceuticals will require more objective study of the return on investment for any given treatment modality, and cost effectiveness analyses will be instrumental in providing solutions to the inequalities in healthcare delivery. PMID- 29206385 TI - Vascular tangles: Recognizing and understanding arteriovenous malformations. PMID- 29206386 TI - Gastrointestinal Malignancy: Genetic Implications to Clinical Applications. AB - Alterations in the DNA sequences of genes, or mutations, have traditionally been viewed as the primary factors driving tumor progression, however, epigenetic evidence would suggest that some heritable traits are mediated by changes in DNA expression that are not dependent upon alterations in the primary DNA sequence. Advances in the genetic understanding of cancer have, in some instances, allowed for more precise administration of anti-neoplastic therapy. Targeted therapies, the aim of which are to target specific cellular proteins or processes used by the cancer cells, have been advocated to avoid the adverse side effects attributable to a lack of cell specificity associated with traditional chemotherapy. Here we aim to describe the current state of understanding regarding the genetic related causes of cancers, the targeted therapies aimed at killing them and the inter-relationship between these two. PMID- 29206387 TI - Zach's Story: An internal look at provider's AVM experience. PMID- 29206393 TI - Last Word: The Ups and downs of EMS. PMID- 29206388 TI - Hands on product reviews from street crews. PMID- 29206394 TI - Resuscitation Advances: Keep your mind (and your patient's cardiac flows) open. PMID- 29206395 TI - Evolving Care Standards: Stay current to avoid liability risk. PMID- 29206396 TI - Upgrade to EMS 3.0: Forthcoming document will guide the evolving role of EMS. PMID- 29206397 TI - Shortness of Breath: Standardized treatment doesn't work for all patients. PMID- 29206398 TI - Motorcross Malady: A look at alternative drugs for pain control in the field. PMID- 29206400 TI - Intubation Success: Study shows intubation success rate is higher with two-medic crews. PMID- 29206399 TI - Association between structural and functional brain alterations in drug-free patients with schizophrenia: a multimodal meta-analysis AB - Background: Neuroimaging studies have shown both structural and functional abnormalities in patients with schizophrenia. Recently, studies have begun to explore the association between structural and functional grey matter abnormalities. By conducting a meta--analysis on morphometric and functional imaging studies of grey matter alterations in drug-free patients, the present study aims to examine the degree of overlap between brain regions with anatomic and functional changes in patients with schizophrenia. Methods: We performed a systematic search of PubMed, Embase, Web of Science and the Cochrane Library to identify relevant publications. A multimodal analysis was then conducted using Seed-based d Mapping software. Exploratory analyses included jackknife, subgroup and meta-regression analyses. Results: We included 15 structural MRI studies comprising 486 drug-free patients and 485 healthy controls, and 16 functional MRI studies comprising 403 drug-free patients and 428 controls in our meta-analysis. Drug-free patients were examined to reduce pharmacological effects on the imaging data. Multimodal analysis showed considerable overlap between anatomic and functional changes, mainly in frontotemporal regions, bilateral medial posterior cingulate/paracingulate gyrus, bilateral insula, basal ganglia and left cerebellum. There were also brain regions showing only anatomic changes in the right superior frontal gyrus, left supramarginal gyrus, right lingual gyrus and functional alternations involving the right angular -gyrus. Limitations: The methodological aspects, patient characteristics and clinical variables of the included studies were heterogeneous, and we cannot exclude medication effects. Conclusion: The present study showed overlapping anatomic and functional brain abnormalities mainly in the default mode (DMN) and auditory networks (AN) in drug free patients with schizophrenia. However, the pattern of changes differed in these networks. Decreased grey matter was associated with decreased activation within the DMN, whereas it was associated with increased activation within the AN. These discrete patterns suggest different pathophysiological changes impacting structural and functional associations within different neural networks in patients with schizophrenia. PMID- 29206401 TI - Resuscitation outcomes consortium (ROC) studies dig deep into the science of CPR. PMID- 29206402 TI - And the Dead Shall Rise: Head-up CPR and the revolutionary research model used to develop it. PMID- 29206403 TI - Small Town, Big Commitment. Public safety agencies in Nebraska City, Neb., worked together to save their own. PMID- 29206404 TI - Evidence-Based Emphasis: Improving systems of care in time-sensitive emergencies. PMID- 29206405 TI - ? PMID- 29206406 TI - ? PMID- 29206407 TI - Caring for the Carers: Delivering peer-to-peer support and assessment following a traumatic incident. PMID- 29206408 TI - ? PMID- 29206409 TI - Special Needs in the Field: A guide to helping patients with disabilities. PMID- 29206411 TI - Hands On: Product Reviews From the Street Crews. PMID- 29206410 TI - The 5 Deadly Causes of Chest Pain: Recognizing the potentially lethal causes other than myocardial infarction. PMID- 29206412 TI - Essential Ingredients: Planting the seeds of leadership. PMID- 29206413 TI - Last Word: The Ups and Downs of EMS. PMID- 29206437 TI - Ultralow-Threshold and Lightweight Biodegradable Porous PLA/MWCNT with Segregated Conductive Networks for High-Performance Thermal Insulation and Electromagnetic Interference Shielding Applications. AB - Lightweight, biodegradable, thermally insulating, and electrically conductive materials play a vital role in achieving the sustainable development of our society. The fabrication of such multifunctional materials is currently very challenging. Here, we report a general, facile, and eco-friendly way for the large-scale fabrication of ultralow-threshold and biodegradable porous polylactic acid (PLA)/multiwalled carbon nanotube (MWCNT) for high-performance thermal insulation and electromagnetic interference (EMI) shielding applications. Thanks to the unique structure of the microporous PLA matrix embedded by conductive 3D MWCNT networks, the lightweight porous PLA/MWCNT with a density of 0.045 g/cm3 possesses a percolation threshold of 0.00094 vol %, which, to our knowledge, is the minimum value reported so far. Furthermore, the material exhibits excellent thermal insulation performance with a thermal conductivity of 27.5 mW.m-1.K-1, which is much lower than the best value of common thermal insulation materials. Moreover, it also shows outstanding EMI shielding performance characterized by its high shielding effectiveness (SE) values and absorption-dominated shielding feature. More importantly, its specific EMI SE is as high as 1010 dB.cm3.g-1, which is superior to those of other shielding materials reported so far. Thus, this novel multifunctional material and its general fabrication methodology provide a promising way to meet the growing demand for high-performance multifunctional materials in sustainable development. PMID- 29206438 TI - Corrosion Resistance of Nanosized Silicon Carbide-Rich Composite Coatings Produced by Noble Gas Ion Mixing. AB - Ion beam mixing has been used to produce a silicon carbide (SiC)-rich nanolayer for protective coating. Different C/Si/C/Si/C/Si(substrate) multilayer structures (with individual layer thicknesses falling in the range of 10-20 nm) have been irradiated by Ar+ and Xe+ ions at room temperature in the energy and fluence ranges of 40-120 keV and 1-6 * 1016 ion/cm2, respectively. The effects of ion irradiation, including the in-depth distribution of the SiC produced, was determined by Auger electron spectroscopy depth profiling. The thickness of the SiC-rich region was only some nanometers, and it could be tailored by changing the layer structure and the ion irradiation conditions. The corrosion resistance of the layers was investigated by potentiodynamic electrochemical test in 4 M KOH solution. The measured corrosion resistance of the SiC-rich layers was orders of magnitude better than that of pure silicon, and a correlation was found between the corrosion current density and the effective areal density of the SiC. PMID- 29206439 TI - Redox-Active Hydrogel Polymer Electrolytes with Different pH Values for Enhancing the Energy Density of the Hybrid Solid-State Supercapacitor. AB - To enhance the energy density of solid-state supercapacitors, a novel solid-state cell, made of redox-active poly(vinyl alcohol) (PVA) hydrogel electrolytes and functionalized carbon nanotube-coated cellulose paper electrodes, was investigated in this work. Briefly, acidic PVA-[BMIM]Cl-lactic acid-LiBr and neutral PVA-[BMIM]Cl-sodium acetate-LiBr hydrogel polymer electrolytes are used as catholyte and anolyte, respectively. The acidic condition of the catholyte contributes to suppression of the undesired irreversible reaction of Br- and extension of the oxygen evolution reaction potential to a higher value than that of the redox potential of Br-/Br3- reaction. The observed Br-/Br3- redox activity at the cathode contributes to enhance the cathode capacitance. The neutral condition of the anolyte helps extend the operating voltage window of the supercapacitor by introducing hydrogen evolution reaction overpotential to the anode. The electrosorption of nascent H on the negative electrode also increases the anode capacitance. As a result, the prepared solid-state hybrid supercapacitor shows a broad voltage window of 1.6 V, with a high Coulombic efficiency of 97.6% and the highest energy density of 16.3 Wh/kg with power density of 932.6 W/kg at 2 A/g obtained. After 10 000 cycles of galvanostatic charge and discharge tests at the current density of 10 A/g, it exhibits great cyclic stability with 93.4% retention of the initial capacitance. In addition, a robust capacitive performance can also be observed from the solid-state supercapacitor at different bending angles, indicating its great potential as a flexible energy storage device. PMID- 29206440 TI - Highly Efficient Broadband Yellow Phosphor Based on Zero-Dimensional Tin Mixed Halide Perovskite. AB - Organic-inorganic hybrid metal halide perovskites have emerged as a highly promising class of light emitters, which can be used as phosphors for optically pumped white light-emitting diodes (WLEDs). By controlling the structural dimensionality, metal halide perovskites can exhibit tunable narrow and broadband emissions from the free-exciton and self-trapped excited states, respectively. Here, we report a highly efficient broadband yellow light emitter based on zero dimensional tin mixed-halide perovskite (C4N2H14Br)4SnBrxI6-x (x = 3). This rare earth-free ionically bonded crystalline material possesses a perfect host-dopant structure, in which the light-emitting metal halide species (SnBrxI6-x4-, x = 3) are completely isolated from each other and embedded in the wide band gap organic matrix composed of C4N2H14Br-. The strongly Stokes-shifted broadband yellow emission that peaked at 582 nm from this phosphor, which is a result of excited state structural reorganization, has an extremely large full width at half maximum of 126 nm and a high photoluminescence quantum efficiency of ~85% at room temperature. UV-pumped WLEDs fabricated using this yellow emitter together with a commercial europium-doped barium magnesium aluminate blue phosphor (BaMgAl10O17:Eu2+) can exhibit high color rendering indexes of up to 85. PMID- 29206441 TI - Toward a Mechanistic Understanding of Vertical Growth of van der Waals Stacked 2D Materials: A Multiscale Model and Experiments. AB - Vertical stacking of monolayers via van der Waals (vdW) interaction opens promising routes toward engineering physical properties of two-dimensional (2D) materials and designing atomically thin devices. However, due to the lack of mechanistic understanding, challenges remain in the controlled fabrication of these structures via scalable methods such as chemical vapor deposition (CVD) onto substrates. In this paper, we develop a general multiscale model to describe the size evolution of 2D layers and predict the necessary growth conditions for vertical (initial + subsequent layers) versus in-plane lateral (monolayer) growth. An analytic thermodynamic criterion is established for subsequent layer growth that depends on the sizes of both layers, the vdW interaction energies, and the edge energy of 2D layers. Considering the time-dependent growth process, we find that temperature and adatom flux from vapor are the primary criteria affecting the self-assembled growth. The proposed model clearly demonstrates the distinct roles of thermodynamic and kinetic mechanisms governing the final structure. Our model agrees with experimental observations of various monolayer and bilayer transition metal dichalcogenides grown by CVD and provides a predictive framework to guide the fabrication of vertically stacked 2D materials. PMID- 29206442 TI - Fire-Retardant, Self-Extinguishing Inorganic/Polymer Composite Memory Foams. AB - Polymeric foams used in furniture and automotive and aircraft seating applications rely on the incorporation of environmentally hazardous fire retardant additives to meet fire safety norms. This has occasioned significant interest in novel approaches to the elimination of fire-retardant additives. Foams based on polymer nanocomposites or based on fire-retardant coatings show compromised mechanical performance and require additional processing steps. Here, we demonstrate a one-step preparation of a fire-retardant ice-templated inorganic/polymer hybrid that does not incorporate fire-retardant additives. The hybrid foams exhibit excellent mechanical properties. They are elastic to large compressional strain, despite the high inorganic content. They also exhibit tunable mechanical recovery, including viscoelastic "memory". These hybrid foams are prepared using ice-templating that relies on a green solvent, water, as a porogen. Because these foams are predominantly comprised of inorganic components, they exhibit exceptional fire retardance in torch burn tests and are self extinguishing. After being subjected to a flame, the foam retains its porous structure and does not drip or collapse. In micro-combustion calorimetry, the hybrid foams show a peak heat release rate that is only 25% that of a commercial fire-retardant polyurethanes. Finally, we demonstrate that we can use ice templating to prepare hybrid foams with different inorganic colloids, including cheap commercial materials. We also demonstrate that ice-templating is amenable to scale up, without loss of mechanical performance or fire-retardant properties. PMID- 29206444 TI - Multiregional Input-Output Analysis of Spatial-Temporal Evolution Driving Force for Carbon Emissions Embodied in Interprovincial Trade and Optimization Policies: Case Study of Northeast Industrial District in China. AB - In the counties with rapid economy and carbon emissions (CEs) growth, CEs embodied in interprovincial trade (CEs-PT) significantly impacts the CEs amount and structure and represents a key issue to consider in CEs reduction policies formulation. This study applied EEBT and two-stage SDA model to analyze the characteristics and driving force of spatial-temporal evolution for net CEs-PT outflow in the Northeast Industrial District of China (NID). We found that, during 1997-2007, the net CEs-PT flowed out from NID to 16 south and east provinces, then to 23 provinces all over China, and its amount has increased 216.798Mt (by 211.67% per year). The main driving forces are technology and demand (further decomposed into structure and scale matrix); the contribution are 71.6418 Mt and 145.1562 Mt. Then, we constructed coupling relationship model and took the top three industries with the greatest net CEs-PT outflow (farming, forestry, animal husbandry and fisheries, electricity and heat production and supply, petroleum processing, coking, and nuclear fuel processing) as examples, adjusted the interprovincial trade constructions, scales, and objects, to reduce the CEs-PT with lower costs, greater effect, and more equitability. The achievement could provide reference for formulating CEs reduction policies for similar areas in the world characterized by rapid growth of economy and CEs. PMID- 29206443 TI - Site-Specific 64Cu Labeling of the Serine Protease, Active Site Inhibited Factor Seven Azide (FVIIai-N3), Using Copper Free Click Chemistry. AB - A method for site-specific radiolabeling of the serine protease active site inhibited factor seven (FVIIai) with 64Cu has been applied using a biorthogonal click reaction. FVIIai binds to tissue factor (TF), a trans-membrane protein involved in hemostasis, angiogenesis, proliferation, cell migration, and survival of cancer cells. First a single azide moiety was introduced in the active site of this 50 kDa protease. Then a NOTA moiety was introduced via a strain promoted azide-alkyne reaction and the corresponding conjugate was labeled with 64Cu. Binding to TF and the stability was evaluated in vitro. TF targeting capability of the radiolabeled conjugate was tested in vivo by positron emission tomography (PET) imaging in pancreatic human xenograft cancer mouse models with various TF expressions. The conjugate showed good stability (>91% at 16 h), an immunoreactivity of 93.5%, and a mean tumor uptake of 2.1 +/- 0.2%ID/g at 15 h post injection. In conclusion, FVIIai was radiolabeled with 64Cu in single well defined position of the protein. This method can be utilized to prepare conjugates from serine proteases with the label at a specific position. PMID- 29206445 TI - Quantitation of a Therapeutic Antibody in Serum Using Intact Sequential Affinity Capture, Trypsin Digestion, and LC-MS/MS. AB - Large molecule quantitation by LC-MS/MS commonly relies on bottom-up or so-called surrogate peptide measurements to infer the whole-molecule concentration. This can lead to questions about what is actually being measured in the assay (intact drug and/or other drug related material). An intact sequential affinity capture (ISAC) assay was developed utilizing two different immunoaffinity (IA) reagents. The reagents were selective for the heavy and light chain of a monoclonal antibody, which when used consecutively, ensures that only the intact form of the antibody is represented by the surrogate peptide. The approach provided comparable results to a traditional sandwich IA assay indicating similar capture populations. The use of an initial ISAC assessment of affinity capture purification, should add a degree of confidence in the use of a single IA-LC MS/MS quantitation assay. PMID- 29206446 TI - Design of Complex Nanomaterials for Energy Storage: Past Success and Future Opportunity. AB - The development of next-generation lithium-based rechargeable batteries with high energy density, low cost, and improved safety is a great challenge with profound technological significance for portable electronics, electric vehicles, and grid scale energy storage. Specifically, advanced lithium battery chemistries call for a paradigm shift to electrodes with high Li to host ratio based on a conversion or alloying mechanism, where the increased capacity is often accompanied by drastic volumetric changes, significant bond breaking, limited electronic/ionic conductivity, and unstable electrode/electrolyte interphase. Fortunately, the rapid progress of nanotechnology over the past decade has been offering battery researchers effective means to tackle some of the most pressing issues for next generation battery chemistries. The major applications of nanotechnology in batteries can be summarized as follows: First, by reduction of the dimensions of the electrode materials, the cracking threshold of the material upon lithiation can be overcome, at the same time facilitating electron/ion transport within the electrode. Second, nanotechnology also provides powerful methods to generate various surface-coating and functionalization layers on electrode materials, protecting them from side reactions in the battery environment. Finally, nanotechnology gives people the flexibility to engineer each and every single component within a battery (separator, current collector, etc.), bringing novel functions to batteries that are unachievable by conventional methods. Thus, this Account aims to highlight the crucial role of nanotechnology in advanced battery systems. Because of the limited space, we will mainly assess representative examples of rational nanomaterials design with complexity for silicon and lithium metal anodes, which have shown great promise in constraining their large volume changes and the repeated solid-electrolyte interphase formation during cycling. Noticeably, the roadmap delineating the gradual improvement of silicon anodes with a span of 11 generations of materials designs developed in our group is discussed in order to reflect how nanotechnology could guide battery research step by step toward practical applications. Subsequently, we summarize efforts to construct nanostructured composite sulfur cathodes with improved electronic conductivity and effective soluble species encapsulation for maximizing the utilization of active material, cycle life, and system efficiency. We emphasize carbon-based materials and, importantly, materials with polar surfaces for sulfur entrapment. We then briefly discuss nanomaterials strategies to improve the ionic conductivity of solid polymer electrolytes by means of incorporating high-surface area and, importantly, high-aspect-ratio secondary-phase fillers for continuous, low-tortuosity ionic transport pathways. Finally, critical innovations that have been brought to the area of grid-scale energy storage and battery safety by nanotechnology are also succinctly reviewed. PMID- 29206447 TI - Collection Method for Isotopic Analysis of Gaseous Nitrous Acid. AB - The sources and chemistry of gaseous nitrous acid (HONO) in the environment are of great interest. HONO is a major source of atmospheric hydroxyl radical (OH), which impacts air quality and climate. HONO is also a major indoor pollutant that threatens human health. However, the large uncertainty of HONO sources and chemistry hinders an accurate prediction of the OH budget. Isotopic analysis of HONO may provide a tool for tracking the sources and chemistry of HONO. In this study, a modified annular denuder system (ADS) was developed to quantitatively capture HONO for offline nitrogen and oxygen isotopic analysis (delta15N and delta18O) using the denitrifier method. The ADS method was tested using laboratory generated HONO (400 ppbv to 1 ppmv) and validated by parallel HONO collection with a standard, basic impinger (BI) method. The ADS system shows complete capture of HONO without isotopic fractionation. The uncertainty (1sigma) based on repeated measurements across the entire analytical procedure is 0.60/00 for delta15N and 0.50/00 for delta18O. The ADS method was also tested in roadside collections of ambient HONO (0.4-1.3 ppbv) for isotopic analysis and was found to be robust for low concentration collections over 3 and 12 h collection times. In order to ensure ability to use this method in the laboratory and in the field, storage conditions for the collected HONO samples were tested and samples can be stored with consistent delta15N and delta18O for 60 days. This method enables future work to utilize the isotopic composition of HONO for studying HONO chemical formation pathways, as well as atmospheric sources and chemistry. PMID- 29206448 TI - Ni-Al Bimetallic Catalyzed Enantioselective Cycloaddition of Cyclopropyl Carboxamide with Alkyne. AB - A Ni-Al bimetallic catalyzed enantioselective cycloaddition reaction of cyclopropyl carboxamides with alkynes has been developed. A series of cyclopentenyl carboxamides were obtained in up to 99% yield and 94% ee. The bifunctional-ligand-enabled bimetallic catalysis proved to be an efficient strategy for the C-C bond cleavage of unreactive cyclopropanes. PMID- 29206449 TI - Key Roles of Size and Crystallinity of Nanosized Iron Hydr(oxides) Stabilized by Humic Substances in Iron Bioavailability to Plants. AB - Availability of Fe in soil to plants is closely related to the presence of humic substances (HS). Still, the systematic data on applicability of iron-based nanomaterials stabilized with HS as a source for plant nutrition are missing. The goal of our study was to establish a connection between properties of iron-based materials stabilized by HS and their bioavailability to plants. We have prepared two samples of leonardite HS-stabilized iron-based materials with substantially different properties using the reported protocols and studied their physical chemical state in relation to iron uptake and other biological effects. We used Mossbauer spectroscopy, XRD, SAXS, and TEM to conclude on iron speciation, size, and crystallinity. One material (Fe-HA) consisted of polynuclear iron(III) (hydr)oxide complexes, so-called ferric polymers, distributed in HS matrix. These complexes are composed of predominantly amorphous small-size components (<5 nm) with inclusions of larger crystalline particles (the mean size of (11 +/- 4) nm). The other material was composed of well-crystalline feroxyhyte (delta'-FeOOH) NPs with mean transverse sizes of (35 +/- 20) nm stabilized by small amounts of HS. Bioavailability studies were conducted on wheat plants under conditions of iron deficiency. The uptake studies have shown that small and amorphous ferric polymers were readily translocated into the leaves on the level of Fe-EDTA, whereas relatively large and crystalline feroxyhyte NPs were mostly sorbed on the roots. The obtained data are consistent with the size exclusion limits of cell wall pores (5-20 nm). Both samples demonstrated distinct beneficial effects with respect to photosynthetic activity and lipid biosynthesis. The obtained results might be of use for production of iron-based nanomaterials stabilized by HS with the tailored iron availability to plants. They can be applied as the only source for iron nutrition as well as in combination with the other elements, for example, for industrial production of "nanofortified" macrofertilizers (NPK). PMID- 29206450 TI - Widely Applicable Hydrofluorination of Alkenes via Bifunctional Activation of Hydrogen Fluoride. AB - Expanding the use of fluorine in pharmaceuticals, agrochemicals and materials requires a widely applicable and more efficient protocol for the preparation of fluorinated compounds. We have developed a new generation nucleophilic fluorination reagent, KHSO4-13HF, HF 68 wt/wt %, that is not only easily handled and inexpensive but also capable of hydrofluorinating diverse, highly functionalized alkenes, including natural products. The high efficiency observed in this reaction hinges on the activation of HF using a highly "acidic" hydrogen bond acceptor. PMID- 29206451 TI - Correction to Understanding the Scarcity of Thorium Peroxide Clusters. PMID- 29206452 TI - Magnetic Structure of Density Matrices. AB - The spin structure of wave functions is reflected in the magnetic structure of the one-particle density matrix. Indeed, for single determinants we can use either one to determine the other. In this work we discuss how one can simply examine the one-particle density matrix to faithfully determine whether the spin magnetization density vector field is collinear, coplanar, or noncoplanar. For single determinants, this test suffices to distinguish collinear determinants which are eigenfunctions of Sn from noncollinear determinants which are not. We also point out the close relationship between noncoplanar magnetism on the one hand and complex conjugation symmetry breaking on the other. Finally, we use these ideas to classify the various ways single determinant wave functions break and respect symmetries of the Hamiltonian in terms of their one-particle density matrix. PMID- 29206453 TI - Exploring the Accuracy of a Low Scaling Similarity Transformed Equation of Motion Method for Vertical Excitation Energies. AB - The newly developed back transformed pair natural orbital based similarity transformed equation of motion (bt-STEOM) method at the coupled cluster singles and doubles level (CCSD) is combined with an appropriate modification of our earlier active space selection scheme for STEOM. The resulting method is benchmarked for valence, Rydberg, and charge transfer excited states of Thiel's test set and other test systems. The bt-PNO-STEOM-CCSD method gives very similar results to canonical STEOM-CCSD for both singlet and triplet excited states. It performs in a balanced manner for all these types of excited states, while the EOM-CCSD method performs especially well for Rydberg excited states and the CC2 method excels at obtaining accurate results for valence excited states. Both EOM CCSD and CC2 perform worse than bt-PNO-STEOM-CCSD for charge transfer states for the test cases studied. PMID- 29206454 TI - Direct Access to Highly Functionalized Heterocycles through the Condensation of Cyclic Imines and alpha-Oxoesters. AB - A facile, gram-scale preparation of 2-hydroxy-5,6,7,7a-tetrahydro-3H-pyrrolizin-3 ones and 2-hydroxy-6,7,8,8a-tetrahydroindolizin-3(5H)-ones from a condensation cyclization of alpha-oxoesters with five- and six-membered cyclic imines, respectively, is reported. This transformation enables a concise, three-step synthesis of the natural products phenopyrrozin and p-hydroxyphenopyrrozin. Further, biologically relevant scaffolds, such as alpha-quaternary beta-homo prolines and beta-lactams, are also prepared in two- to three-steps from the versatile 2-hydroxy-5,6,7,7a-tetrahydro-3H-pyrrolizin-3-one core. PMID- 29206455 TI - Reversible Insertion of a C?C Bond into Magnesium(I) Dimers: Generation of Highly Active 1,2-Dimagnesioethane Compounds. AB - The insertion of 1,1-diphenylethylene into the Mg-Mg bond of two magnesium(I) dimers, [(ArNacnac)Mg-]2 (Ar = C6H2Me3-2,4,6 (Mes); C6H3Et2-2,6 (Dep)), yielding 1,2-dimagnesioethane products, [{(ArNacnac)Mg}2(MU-CH2CPh2)], is described. These reactions are readily reversible at room temperature and thus represent the first examples of room-temperature reversible redox processes for s-block metal complexes. The 1,2-dimagnesioethane products are highly activated magnesium alkyls and show unprecedented, uncatalyzed reactivity toward H2, CO, and ethylene. Computational studies have investigated the mechanisms of all presented reaction types. PMID- 29206457 TI - ADVERPred-Web Service for Prediction of Adverse Effects of Drugs. AB - Application of structure-activity relationships (SARs) for the prediction of adverse effects of drugs (ADEs) has been reported in many published studies. Training sets for the creation of SAR models are usually based on drug label information which allows for the generation of data sets for many hundreds of drugs. Since many ADEs may not be related to drug consumption, one of the main problems in such studies is the quality of data on drug-ADE pairs obtained from labels. The information on ADEs may be included in three sections of the drug labels: "Boxed warning," "Warnings and Precautions," and "Adverse reactions." The first two sections, especially Boxed warning, usually contain the most frequent and severe ADEs that have either known or probable relationships to drug consumption. Using this information, we have created manually curated data sets for the five most frequent and severe ADEs: myocardial infarction, arrhythmia, cardiac failure, severe hepatotoxicity, and nephrotoxicity, with more than 850 drugs on average for each effect. The corresponding SARs were built with PASS (Prediction of Activity Spectra for Substances) software and had balanced accuracy values of 0.74, 0.7, 0.77, 0.67, and 0.75, respectively. They were implemented in a freely available ADVERPred web service ( http://www.way2drug.com/adverpred/ ), which enables a user to predict five ADEs based on the structural formula of compound. This web service can be applied for estimation of the corresponding ADEs for hits and lead compounds at the early stages of drug discovery. PMID- 29206456 TI - Real-Time Conformational Changes and Controlled Orientation of Native Proteins Inside a Protein Nanoreactor. AB - Protein conformations play crucial roles in most, if not all, biological processes. Here we show that the current carried through a nanopore by ions allows monitoring conformational changes of single and native substrate-binding domains (SBD) of an ATP-Binding Cassette importer in real-time. Comparison with single-molecule Forster Resonance Energy Transfer and ensemble measurements revealed that proteins trapped inside the nanopore have bulk-like properties. Two ligand-free and two ligand-bound conformations of SBD proteins were inferred and their kinetic constants were determined. Remarkably, internalized proteins aligned with the applied voltage bias, and their orientation could be controlled by the addition of a single charge to the protein surface. Nanopores can thus be used to immobilize proteins on a surface with a specific orientation, and will be employed as nanoreactors for single-molecule studies of native proteins. Moreover, nanopores with internal protein adaptors might find further practical applications in multianalyte sensing devices. PMID- 29206458 TI - A Versatile Approach to Attachment of Triarylmethyl Labels to DNA for Nanoscale Structural EPR Studies at Physiological Temperatures. AB - Triarylmethyl (trityl, TAM) radicals are a promising class of spin labels for nanometer-scale distance measurements in biomolecules at physiological temperatures. However, to date, existing approaches to site-directed TAM labeling of DNA have been limited to label attachment at the termini of oligonucleotides, thus hindering a majority of demanded applications. Herein, we report a new versatile strategy for TAM attachment at arbitrary sites of nucleic acids. It utilizes an achiral non-nucleoside phosphoramidite monomer for automated solid phase synthesis of oligonucleotides, which are then postsynthetically functionalized with TAM. We demonstrate a synthesis of a set of oligonucleotide complexes that are TAM-labeled at internal or terminal sites, as well as the possibility of measuring interspin distances up to ~5-6 nm at 298 K using double quantum coherence electron paramagnetic resonance (EPR). Implementation of the developed approach strongly broadens the scope of nucleic acids and nucleoprotein complexes available for nanoscale structural EPR studies at room temperatures. PMID- 29206459 TI - Photochemistry of the H2O/CO System Revisited: The HXeOH...CO Complex in a Xenon Matrix. AB - We report on the complex of a noble-gas hydride HXeOH with carbon monoxide. This species is prepared via the annealing-induced H + Xe + OH...CO reaction in a xenon matrix, the OH...CO complexes being produced by VUV photolysis of the H2O...CO complexes. The H-Xe stretching mode of the HXeOH...CO complex absorbs at 1590.3 cm-1 and it is blue-shifted by 12.7 cm-1 from the H-Xe stretching band of HXeOH monomer. The observed blue shift indicates the stabilization of the H-Xe bond upon complexation, which is characteristic of complexes of noble-gas hydrides. The HXeOH...CO species is the first complex of a noble-gas hydride with carbon monoxide and the second observed complex of HXeOH. On the basis of the MP2/aug-cc-pVTZ-PP calculations, the experimental complex is assigned to the structure, where the carbon atom of CO interacts with the oxygen atom of HXeOH. PMID- 29206460 TI - Complex Dynamics of Water in Protein Confinement. AB - This paper studies single-molecule and collective dynamics of water confined in protein powders by means of molecular dynamics simulations. The single-particle dynamics show a modest retardation compared to the bulk but become highly stretched in the powder, with the stretching exponent of ?0.2. The collective dynamics of the total water dipole are affected by intermolecular correlations inside water and by cross-correlations between the water and the protein. The dielectric spectrum of water in the powder has two nearly equal-amplitude peaks: a Debye peak with ?16 ps relaxation time and a highly stretched peak with the relaxation time of ?13 ns and a stretching exponent of ?0.12. The slower relaxation component is not seen in the single-molecule correlation functions and can be assigned to elastic protein motions displacing water in the powder. The loss spectrum of the intermediate scattering function reported by neutron scattering experiments is also highly stretched, with the high-frequency wing scaling according to a power law. Translational dynamics can become much slower in the powder than in the bulk but are overshadowed by the rotational loss in the overall loss spectrum of neutron scattering. PMID- 29206461 TI - First-Principles Study of Dissociation Processes for the Synthesis of Fe and Co Oxide Nanoparticles. AB - Thermal decomposition is a practical and reliable tool to synthesize nanoparticles with monodisperse size distribution and reproducible accuracy. The nature of the precursor molecules and their interaction with the environment during the synthesis process have a direct impact on the resulting nanoparticles. Our study focuses on widely used transition-metal (Co, Fe) stearates precursors and their thermal decomposition reaction pathway. We show how the nature of the metal and the presence or absence of water molecules, directly related to the humidity conditions during the synthesis process, affect the decomposition mechanism and the resulting transition-metal oxide building blocks. This, in turn, has a direct effect on the physical and chemical properties of the produced nanoparticles and deeply influences their composition and morphology. PMID- 29206463 TI - Rigorous pKa Estimation of Amine Species Using Density-Functional Tight-Binding Based Metadynamics Simulations. AB - Predicting pKa values for different types of amine species with high accuracy and efficiency is of critical importance for the design of high performance and economical solvents in carbon capture and storage with aqueous amine solutions. In this study, we demonstrate that density-functional tight-binding-based metadynamics simulations are a promising approach to calculate the free energy difference between the protonated and neutral states of amines in aqueous solution with inexpensive computational cost. The calculated pKa values were in satisfactory agreement with the experimental values, the mean absolute deviation being only 0.09 pKa units for 34 amines commonly used in CO2 scrubbing. Such superior reproducibility and correlation compared to estimations by static quantum mechanical calculations highlight the significant effect of dynamical proton transfer processes in explicit solvent molecules for the improvement of the estimation accuracy. PMID- 29206462 TI - Lipidomics Reveals Dramatic Physiological Kinetic Isotope Effects during the Enzymatic Oxygenation of Polyunsaturated Fatty Acids Ex Vivo. AB - Arachidonic acid (AA, 20:4) is an omega-6 polyunsaturated fatty acid (PUFA) and the main precursor to the class of lipid mediators known as eicosanoids. The enzymes that catalyze the oxygenation of AA begin by abstracting hydrogen from one of three bis-allylic carbons within 1,4-cis,cis-diene units. Substitution of deuterium for hydrogen has been shown to lead to massive kinetic isotope effects (KIE) for soybean lipoxygenase (sLOX) oxygenation of linoleic acid (LA, 18:2). Yet, experimental determination of the KIE during oxygenation of AA and LA by mammalian enzymes including cyclooxygenase (COX) and lipoxygenase (LOX) has revealed far lower values. All prior studies investigating the KIE of PUFA oxygenation have relied on in vitro systems using purified enzymes and were limited by availability of deuterated substrates. Here we demonstrate the use of macrophages as an ex vivo model system to study the physiological KIE (PKIE) during enzymatic AA oxygenation by living cells using a newly synthesized library of deuterated AA isotopologues. By extending lipidomic UPLC-MS/MS approaches to simultaneously quantify native and deuterated lipid products, we were able to demonstrate that the magnitude of the PKIE measured in macrophages for COX and LOX oxygenation of AA is similar to KIEs determined in previous reports using the AA isotopologue deuterated at carbon 13 (C13). However, for the first time we show that increasing the number of deuterated bis-allylic carbons to include both C10 and C13 leads to a massive increase in the PKIE for COX oxygenation of AA. We provide evidence that hydrogen(s) present at C10 of AA play a critical role in the catalysis of prostaglandin and thromboxane synthesis. Furthermore, we discovered that deuteration of C10 promotes the formation of the resolving lipid mediator lipoxin B4, likely by interfering with AA cyclization and shunting AA to the LOX pathway under physiological conditions. PMID- 29206464 TI - Ring-Opening Diarylation of Siloxydifluorocyclopropanes by Ag(I) Catalysis: Stereoselective Construction of 2-Fluoroallylic Scaffold. AB - A silver-catalyzed, defluorination ring-opening diarylation of siloxy 2,2 difluorocyclopropanes, with two arenes, to directly prepare polysubstituted 2 fluoroallylic compounds, is described. This multicomponent reaction proceeds smoothly in good stereoselectivity, which is due to a chelation-controlled addition of arenes to alpha-fluorinated ketone intermediate. PMID- 29206465 TI - Testing the Equivalence between Spatial Averaging and Temporal Averaging in Highly Dilute Solutions. AB - Diffusion relates the flux of particles to the local gradient of the particle density in a deterministic way. The question arises as to what happens when the particle density is so low that the local gradient becomes an ill-defined concept. The dilemma was resolved early last century by analyzing the average motion of particles subject to random forces whose magnitude is such that the particles are always in thermal equilibrium with their environment. The diffusion dynamics is now described in terms of the probability density of finding a particle at some position and time and the probabilistic flux density, which is proportional to the gradient of the probability density. In a time average sense, the system thus behaves exactly like the ensemble average. Here, we report on an experimental method and test this fundamental equivalence principle in statistical physics. In the experiment, we study the flux distribution of 20 nm radius polystyrene particles impinging on a circular sink of micrometer dimensions. The particle concentration in the water suspension is approximately 1 particle in a volume element of the dimension of the sink. We demonstrate that the measured flux density is exactly described by the solution of the diffusion equation of an infinite system, and the flux statistics obeys a Poissonian distribution as expected for a Markov process governing the random walk of noninteracting particles. We also rigorously show that a finite system behaves like an infinite system for very long times despite the fact that a finite system converges to a zero flux empty state. PMID- 29206466 TI - Doping of Self-Catalyzed Nanowires under the Influence of Droplets. AB - Controlled and reproducible doping is essential for nanowires (NWs) to realize their functions. However, for the widely used self-catalyzed vapor-liquid-solid (VLS) growth mode, the doping mechanism is far from clear, as the participation of the nanoscale liquid phase makes the doping environment highly complex and significantly different from that of the thin film growth. Here, the doping mechanism of self-catalyzed NWs and the influence of self-catalytic droplets on the doping process are systematically studied using beryllium (Be) doped GaAs NWs. Be atoms are found for the first time to be incorporated into NWs predominantly through the Ga droplet that is observed to be beneficial for setting up thermodynamic equilibrium at the growth front. Be dopants are thus substitutional on Ga sites and redundant Be atoms are accumulated inside the Ga droplets when NWs are saturated, leading to the change of the Ga droplet properties and causing the growth of phase-pure zincblende NWs. This study is an essential step toward the design and fabrication of nanowire devices. PMID- 29206467 TI - Structural Transformation of LiFePO4 during Ultrafast Delithiation. AB - The prolific lithium battery electrode material lithium iron phosphate (LiFePO4) stores and releases lithium ions by undergoing a crystallographic phase change. Nevertheless, it performs unexpectedly well at high rate and exhibits good cycling stability. We investigate here the ultrafast charging reaction to resolve the underlying mechanism while avoiding the limitations of prevailing electrochemical methods by using a gaseous oxidant to deintercalate lithium from the LiFePO4 structure. Oxidizing LiFePO4 with nitrogen dioxide gas reveals structural changes through in situ synchrotron X-ray diffraction and electronic changes through in situ UV/vis reflectance spectroscopy. This study clearly shows that ultrahigh rates reaching 100% state of charge in 10 s does not lead to a particle-wide union of the olivine and heterosite structures. An extensive solid solution phase is therefore not a prerequisite for ultrafast charge/discharge. PMID- 29206468 TI - Frequency-Domain Proof of the Existence of Atomic-Scale SERS Hot-Spots. AB - The existence of sub-nanometer plasmonic hot-spots and their relevance in spectroscopy and microscopy applications remain elusive despite a few recent theoretical and experimental evidence supporting this possibility. In this Letter, we present new spectroscopic evidence suggesting that Angstrom-sized hot spots exist on the surfaces of plasmon-excited nanostructures. Surface-enhanced Raman scattering (SERS) spectra of 4,4'-biphenyl dithiols placed in metallic junctions show simultaneously blinking Stokes and anti-Stokes spectra, some of which exhibit only one prominent vibrational peak. The activated vibrational modes were found to vary widely between junction sites. Such site-specific, single-peak spectra could be successfully modeled using single-molecule SERS induced by a hot-spot with a diameter no larger than 3.5 A, located at the specific molecular sites. Furthermore, the model, which assumes the stochastic creation of hot-spots on locally flat metallic surfaces, consistently reproduces the intensity distributions and occurrence statistics of the blinking SERS peaks, further confirming that the sources of the hot-spots are located on the metallic surfaces. This result not only provides compelling evidence for the existence of Angstrom-sized hot-spots but also opens up the new possibilities for the vibrational and electronic control of single-molecule photochemistry and real space visualization of molecular vibration modes. PMID- 29206469 TI - Chiral Metamaterials of Plasmonic Slanted Nanoapertures with Symmetry Breaking. AB - We propose a universal design scheme for a new type of chiral metamaterials based on plasmonic slanted nanoapertures simply milled in a single metal layer. Strong optical chirality is introduced by tilting nanoapertures with almost arbitrary shape along a certain direction to break all the mirror symmetries. As a typical example, chiral metamaterial based on slanted split-ring apertures is demonstrated with giant circular dichroism in transmission (CDT) over 78% at 760 nm. We reveal that the high CDT originates from the circularly dichroic mode coupling process in the slanted nanoapertures induced by spin-dependent field overlap conditions. Furthermore, tunable CDT is presented through the in-plane rotation of nanoapertures to form chiral images with controllable image contrast. Besides, chiral metamaterials with slanted nanoapertures of two other shapes including L-shaped aperture and rectangular aperture are also presented with large circular dichroism. We envision that our demonstrated chiral metamaterials enable promising platforms for a variety of applications in nonlinear optics, chiral imaging and sensing, spectroscopy, and polarization manipulation. PMID- 29206470 TI - Csp2-Csp2 and Csp2-N Bond Formation in a One-Pot Reaction between N Tosylhydrazones and Bromonitrobenzenes: An Unexpected Cyclization to Substituted Indole Derivatives. AB - A novel, sequential, palladium-catalyzed, cross-coupling reaction using N tosylhydrazone and bromonitrobenzene derivatives followed by reductive cyclization has been developed. This transformation providing an efficient route to unexpected N-arylindole derivatives involves, in a one-pot reaction, the formation of one Csp2-Csp2 bond and two Csp2-N bonds together with the cleavage of one Csp2-heteroatom bond. Evaluation of the biological activity led to the identification of compound 5a, which displays potent activity at nanomolar concentrations against human colon carcinoma cell line. PMID- 29206471 TI - Optical Forces at the Nanoscale: Size and Electrostatic Effects. AB - The reduced magnitude of the optical trapping forces exerted over sub-200 nm dielectric nanoparticles complicates their optical manipulation, hindering the development of techniques and studies based on it. Improvement of trapping capabilities for such tiny objects requires a deep understanding of the mechanisms beneath them. Traditionally, the optical forces acting on dielectric nanoparticles have been only correlated with their volume, and the size has been traditionally identified as a key parameter. However, the most recently published research results have shown that the electrostatic characteristics of a sub-100 nm dielectric particle could also play a significant role. Indeed, at present it is not clear what optical forces depend. In this work, we designed a set of experiments in order to elucidate the different mechanism and properties (i.e., size and/or electrostatic properties) that governs the magnitude of optical forces. The comparison between experimental data and numerical simulations have shown that the double layer induced at nanoparticle's surface, not considered in the classical description of nanoparticle's polarizability, plays a relevant role determining the magnitude of the optical forces. Here, the presented results constitute the first step toward the development of the dielectric nanoparticle over which enhanced optical forces could be exerted, enabling their optical manipulation for multiples purposes ranging from fundamental to applied studies. PMID- 29206472 TI - Synergistic Enhancement of Electron-Accepting and -Donating Ability of Nonconjugated Polymer Nanodot in Micellar Environment. AB - Understanding the fundamental electron-transfer dynamics in photoactive carbon nanoparticles (CNPs) is vitally important for their fruitful application in photovoltaics and photocatalysis. Herein, photoinduced electron transfer (PET) to and from the nonconjugated polymer nanodot (PND), a new class of luminescent CNP, has been investigated in the presence of N,N-dimethylaniline (DMA) and methyl viologen (MV2+) in homogeneous methanol and sodium dodecyl sulfate (SDS) micelles. It has been observed that both DMA and MV2+ interact with the photoexcited PND and quench the PL intensity as well as excited-state lifetime in bulk methanol. While in bulk methanol, purely diffusion-controlled PET from DMA to MV2+ via PND has been observed, the mechanism and dynamics differ significantly in SDS micelles. In contrast to homogeneous methanol medium, a distinct synergic effect has been observed in SDS micelles. The presence of both DMA and MV2+ enhances the electron-accepting and -donating abilities of PND in SDS micelles. Time-resolved photoluminescence (PL) measurements reveal that the PET process in SDS micelles is nondiffusive in nature mainly due to instantaneous electron transfer at the confined micellar surface. These results have been explained on the basis of heterogeneous microenvironments of SDS micelles which compartmentalize the donor and acceptor inside its micellar pseudo phase. The present findings provide valuable insights into the intrinsic relation between redox and PL properties of nonconjugated PND. PMID- 29206473 TI - Carbonyl Iron Powder: A Reagent for Nitro Group Reductions under Aqueous Micellar Catalysis Conditions. AB - An especially mild, safe, efficient, and environmentally responsible reduction of aromatic and heteroaromatic nitro-group-containing educts is reported that utilizes very inexpensive carbonyl iron powder (CIP), a highly active commercial grade of iron powder. These reductions are conducted in the presence of nanomicelles composed of TPGS-750-M in water, a recyclable aqueous micellar reaction medium. This new technology also shows broad scope and scalability and presents opportunities for multistep one-pot sequences involving this reducing agent. PMID- 29206474 TI - Trace lithium in Texas tap water is negatively associated with all-cause mortality and premature death. AB - Lithium in tap water was previously found to have life-extending effects across 18 Japanese municipalities. Using a larger dataset with several Texas counties, our study shows that lithium concentrations in tap water are negatively associated with all-cause mortality (r = -0.18, p = 0.006, 232 counties) and years of potential life lost (r = -0.22, p = 0.001, 214 counties). Thus, our present findings extend and reinforce lithium's purported life-prolonging effect in humans. PMID- 29206475 TI - Whole-Blood Gene Expression in Pulmonary Nontuberculous Mycobacterial Infection. AB - The factors predisposing toward the development of pulmonary nontuberculous mycobacterial (pNTM) disease and influencing disease progression remain unclear. Impaired immune responses have been reported in individuals with pNTM disease, but data are limited and inconsistent. In this study, we sought to use gene expression profiling to examine the host response to pNTM disease. Microarray analysis of whole-blood gene expression was performed on 25 subjects with pNTM disease and 27 uninfected control subjects with respiratory disease. Gene expression results were compared with phenotypic variables and survival data. Compared with uninfected control subjects, pNTM disease was associated with downregulation of 213 transcripts enriched for terms related to T cell signaling, including IFNG. Reduced IFNG expression was associated with more severe computed tomography changes and impaired lung function. Mortality was associated with the expression of transcripts related to the innate immune response and inflammation, whereas transcripts related to T and B cell function were associated with improved survival. These findings suggest that pNTM disease is associated with an aberrant immune response, which may reflect an underlying propensity to infection or result from NTM infection itself. There were important differences in the immune response associated with survival and mortality in pNTM disease. PMID- 29206476 TI - Systemic Markers of Adaptive and Innate Immunity Are Associated with Chronic Obstructive Pulmonary Disease Severity and Spirometric Disease Progression. AB - The progression of chronic obstructive pulmonary disease (COPD) is associated with marked alterations in circulating immune cell populations, but no studies have characterized alterations in these cell types across the full spectrum of lung function impairment in current and former smokers. In 6,299 subjects from the COPDGene and ECLIPSE (Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints) studies, we related Coulter blood counts and proportions to cross-sectional forced expiratory volume in 1 second (FEV1), adjusting for current smoking status. We also related cell count measures to 3 year change in FEV1 in ECLIPSE subjects. In a subset of subjects with blood gene expression data, we used cell type deconvolution methods to infer the proportions of immune cell subpopulations, and we related these to COPD clinical status. We observed that FEV1 levels are positively correlated with lymphocytes and negatively correlated with myeloid populations, such as neutrophils and monocytes. In multivariate models, absolute cell counts and proportions were associated with cross-sectional FEV1, and lymphocytes, monocytes, and eosinophil counts were predictive of 3-year change in lung function. Using cell type deconvolution to study immune cell subpopulations, we observed that subjects with COPD had a lower proportion of CD4+ resting memory cells and naive B cells compared with smokers without COPD. Alterations in circulating immune cells in COPD support a mixed pattern of lymphocyte suppression and an enhanced myeloid cell immune response. Cell counts and proportions contribute independent information to models predicting lung function, suggesting a critical role for immune response in long-term COPD outcomes. Cell type deconvolution is a promising method for immunophenotyping in large cohorts. PMID- 29206477 TI - Acute Eosinophilic Pneumonia. Causes, Diagnosis, and Management. AB - Acute eosinophilic pneumonia (AEP) is an uncommon acute respiratory illness of varying severity that includes presentation as acute respiratory distress syndrome with fatal outcome. AEP may be idiopathic, but identifiable causes include smoking and other inhalational exposures, medications, and infections. The pathogenesis of AEP is poorly understood but likely varies depending on the underlying cause. Airway epithelial injury, endothelial injury, and release of IL 33 are early events that subsequently promote eosinophil recruitment to the lung; eosinophilic infiltration and degranulation appear to mediate subsequent lung inflammation and associated clinical manifestations. Crucial for the diagnosis are the demonstration of pulmonary eosinophilia in the BAL fluid and the exclusion of other disease processes that can present with acute pulmonary infiltrates. Although peripheral blood eosinophilia at initial presentation may be a clue in suggesting the diagnosis of AEP, it may be absent or delayed, especially in smoking-related AEP. Optimal management of AEP depends on the recognition and elimination of the underlying cause when identifiable. The cessation of the exposure to the inciting agent (e.g., smoking), and glucocorticoids represent the mainstay of treating AEP of noninfectious origin. If AEP is recognized and treated in a timely manner, the prognosis is generally excellent, with prompt and complete clinical recovery, even in those patients manifesting acute respiratory failure. PMID- 29206478 TI - Lactate is oxidized outside of the mitochondrial matrix in rodent brain. AB - The nature and existence of mitochondrial lactate oxidation is debated in the literature. Obscuring the issue are disparate findings in isolated mitochondria, as well as relatively low rates of lactate oxidation observed in permeabilized muscle fibres. However, respiration with lactate has yet to be directly assessed in brain tissue with the mitochondrial reticulum intact. To determine if lactate is oxidized in the matrix of brain mitochondria, oxygen consumption was measured in saponin-permeabilized mouse brain cortex samples, and rat prefrontal cortex and hippocampus (dorsal) subregions. While respiration in the presence of ADP and malate increased with the addition of lactate, respiration was maximized following the addition of exogenous NAD+, suggesting maximal lactate metabolism involves extra-matrix lactate dehydrogenase. This was further supported when NAD+ dependent lactate oxidation was significantly decreased with the addition of either low-concentration alpha-cyano-4-hydroxycinnamate or UK-5099, inhibitors of mitochondrial pyruvate transport. Mitochondrial respiration was comparable between glutamate, pyruvate, and NAD+-dependent lactate oxidation. Results from the current study demonstrate that permeabilized brain is a feasible model for assessing lactate oxidation, and support the interpretation that lactate oxidation occurs outside the mitochondrial matrix in rodent brain. PMID- 29206479 TI - Microencapsulation of esterified krill oil, using complex coacervation. AB - The microencapsulation of the esterified krill oil (EKO), obtained from the transesterification of krill oil (KO) with 3,4-dihydroxyphenylacetic acid (DHPA), via complex coacervation and was investigated. The experimental findings showed that the DHPA and phenolic lipids (PLs) in the EKO affected the stability of the gelatine (GE)-EKO emulsion. To improve its stability, the effects of varying the pH of GE and the use of two emulsification devices, including the homogeniser and ultrasonic liquid processor were investigated, where the ultrasonic liquid processor was found to be a relatively more appropriate emulsification device. In addition, the capsules prepared using a pH of GE of 8.0 showed superior storage and had significantly (p <0.05) lower peroxide value as compared to those prepared with a pH of GE of 6.5. The microencapsulation of the EKO was effective in delaying the development of oxidation products during a period of 25 d of storage, at 25 degrees C. PMID- 29206480 TI - Soil microbial communities of three grassland ecosystems in the Bayinbuluke, China. AB - The microbial community plays an important role in soil nutrient cycles and energy transformations in alpine grassland. In this study, we investigated the composition of the soil microbial community collected from alpine cold swamp meadow (ASM), alpine cold meadow (AM), and alpine cold desert steppe (ADS) within the Bayinbuluke alpine grassland, China, using Illumina amplicon sequencing. Of the 147 271 sequences obtained, 36 microbial phyla or groups were detected. The results showed that the ADS had lower microbial diversity than the ASM and AM, as estimated by the Shannon index. The Verrucomicrobia, Chloroflexi, Planctomycetes, Proteobacteria, and Actinobacteria were the predominant phyla in all 3 ecosystems. Particularly, Thaumarchaeota was only abundant in ASM, Bacteroidetes in AM, and Acidobacteria in ADS. Additionally, the predominant genus also differed with each ecosystem. Candidatus Nitrososphaera was predominant in ADS, the Pir4 lineage in ASM, and Sphingomonas in AM. Our results indicated that the soil microbial community structure was different for each grassland ecosystem in the Bayinbuluke. PMID- 29206481 TI - Age, memory loss and perceptions of dementia in South Asian ethnic minorities. AB - BACKGROUND: South Asian older adults are represented less frequently in mainstream mental health services or those for people with dementia. This study aimed to explore in detail the perceptions of dementia (symptoms, causes, consequences, treatments) held by South Asians and to discern how these understandings vary by age and by the self-recognition of memory problems, as these influence help-seeking behaviour. METHODS: Participants were allocated to three groups: younger adults; older adults; and older adults with subjective memory problems. They completed the semi-structured Barts Explanatory Model Inventory for Dementia schedule, whilst older adults also completed measures of cognition (MMSE), and depression (GDS). Interviews were conducted in English, Gujarati or Urdu. RESULTS: Groups were similar in identifying unusual forgetting and confusion as the most frequent symptoms; stress and age as the most frequent causes; and talking to your GP/nurse, taking medication, and talking to family and friends as the most frequent treatments. Younger adults more often knew about risk factors and reported practical consequences more than older adults. Older adults with subjective memory problems were more likely to describe sleep related problems or symptoms commonly associated with depression. They more often cited as causes of dementia lack of sleep, side effects of medication and medical reasons, and mentioned religion as a means to cope. CONCLUSIONS: Findings highlight variability in perceptions of dementia across the South Asian Community and identify specific areas where dementia awareness could be raised in South Asian sub-groups to improve timely diagnosis, treatment outcomes and service access. PMID- 29206482 TI - Brain circuits and neurochemical systems in essential tremor: insights into current and future pharmacotherapeutic approaches. AB - INTRODUCTION: There are few medications that are available for the treatment of essential tremor (ET) and they are only moderately effective. Areas covered: Data were obtained from a PubMed search. Original articles, review articles, and clinical guidelines were included. Two disease models for ET have been proposed: 1) the olivary model, which attributes ET to a pathological pacemaker in the inferior olivary nucleus, and 2) the cerebellar degeneration model, which postulates that ET originates in the cerebellum and could be related to deficient or abnormal Purkinje cell (PC) output. Underlying biochemical dysfunction in T type calcium channels (T-tCaC) may loosely be linked to the first model and deficiency/abnormality in gamma-aminobutyric acid (GABA) neurotransmission, to the second. Expert commentary: Human data points robustly to the role of GABA in ET. Numerous medications that target the GABA system have been tried, with variable success. Given the many different types of GABA-ergic neurons, and the multitude of GABAA receptor subtypes, a given medication could have competing/cancelling effects. It would seem that influencing GABA receptors broadly is not as effective as targeting certain GABAA receptor subtypes. Future research should seek to identify molecular candidates that have a more targeted effect within the GABA system. PMID- 29206484 TI - A high-fat diet is deleterious to mice under glycolysis restriction. AB - It is debated whether carbohydrate restriction has metabolic advantage for its variable weight loss. Five-week-old male mice fed a high-fat diet and receiving a glycolytic inhibitor, 2-deoxyglucose, died within 9 days. They exhibited greater decreases in rectal temperature, appetite, and decline in body weight accompanied by increasing total cholesterol level than the other groups. This study suggests that carbohydrate is necessary for adequate physical and metabolic performance when lipid-rich diet is loaded. PMID- 29206483 TI - Positron emission tomography in Parkinson's disease: insights into impulsivity. AB - This study reviews previous studies that employ positron emission tomography (PET) imaging assessments in Parkinson's disease (PD) patients with and without Impulsive Compulsive Behaviours (ICB). This begins with a summary of the potential benefits and limitations of commonly utilized ligands, specifically D2/3 receptor and dopamine transporter ligands. Since previous findings emphasize the role of the ventral striatum in the manifestation of ICBs, this study attempts to relate these imaging findings to changes in behaviour, especially emphasizing work performed in substance abuse and addiction. Next, it reviews how increasing disease duration in PD can influence dopamine receptor expression, with an emphasis on differential striatal and extra-striatal changes that occur along the course of PD. Finally, it focuses on how extra-striatal changes, particularly in the orbitofrontal cortex, amygdala, and anterior cingulate, may influence the proficiency of behavioural regulation in PD. The discussion emphasizes the interaction of disease and medication effects on network-wide changes that occur in PD, and how these changes may result in behavioural dysregulation. PMID- 29206485 TI - Structure and Measurement Invariance of Adult Romantic Attachment. AB - Romantic attachment is a popular theory for explaining affect, cognition, and behavior in romantic contexts. This popularity has led to a surge of self-report measures assessing dimensions of attachment. In this study, we considered the ability of 2 common attachment measures, the Adult Attachment Questionnaire (AAQ) and the Experience in Close Relationships-Revised (ECR-R), to replicate the avoidant and anxious attachment factors. We also determined the degree of measurement invariance across, and mean differences between, genders and single and nonsingle individuals. Both the AAQ (N = 650) and the ECR-R (N = 1,271) successfully distinguished avoidant and attachment factors. The AAQ showed evidence for partial strong measurement invariance, whereas the ECR-R showed strict factorial invariance for both gender and relationship status. Gender differences were detected on both measures in a direction consistent with previous research, with males exhibiting higher levels of avoidant attachment (relative to females) and females exhibiting higher levels of anxious attachment (relative to males). Furthermore, when compared to individuals who were currently single, those in romantic relationships exhibited lower levels of avoidant tendencies. This research aligns with the notion that the AAQ and ECR-R reliably assess similar constructs, across genders and single and nonsingle individuals. PMID- 29206486 TI - The method of chicken whole embryo culture using the eggshell windowing, surrogate eggshell and ex ovo culture system. AB - 1. The unique accessibility of the avian embryo have made them an ideal model for the study of development and genome editing. Chicken whole embryo culture has provided important insights into toxicity tests, gene manipulation, clarifying gene functions, cell transplantation and cell tracking. 2. A simple technique for chicken manipulation is eggshell windowing, without or with seal, the latter having demonstrated some improvement in hatching rates. 3. Likewise, a surrogate eggshell system provides an accessible model for manipulation during chicken and quail development, with a higher hatchability compared to the simple windowing method. 4. The development of the chicken ex ovo culture systems in a synthetic environment as an efficient technique for imaging and microsurgery applications has enabled the study of important events of live chicken embryos at a specific time point. 5. This short review illustrates recent applications of well-designed whole embryo culture systems as a robust model for research into numerous biological mechanism, drug discovery, gene manipulating and production of functional proteins. PMID- 29206487 TI - Role of catechins on ET-1-induced stimulation of PLD and NADPH oxidase activities in pulmonary smooth muscle cells: determination of the probable mechanism by molecular docking studies. AB - The treatment of human pulmonary artery smooth muscle cells with ET-1 stimulates the activity of PLD and NADPH oxidase, but this stimulation is inhibited by pretreatment with bosentan (ET-1 receptor antagonist), FIPI (PLD inhibitor), apocynin (NADPH oxidase inhibitor), and EGCG and ECG (catechins having a galloyl group), but not EGC and EC (catechins devoid of a galloyl group). Herein, using molecular docking analyses based on our biochemical studies, we determined the probable mechanism by which the catechins containing a galloyl group inhibit the stimulation of PLD activity induced by ET-1. The ET-1-induced stimulation of PLD activity was inhibited by SecinH3 (inhibitor of cytohesin). Arf6 and cytohesin-1 are associated in the cell membrane, which is not inhibited by the catechins during ET-1 treatment of the cells. However, EGCG and ECG inhibited the binding of GTPgammaS with Arf6, even in the presence of cytohesin-1. The molecular docking analyses revealed that the catechins containing a galloyl group (EGCG and ECG) with cytohesin-1-Arf6GDP, but not the catechins without a galloyl group (EGC and EC), prevent GDP-GTP exchange in Arf6, which seems to be an important mechanism for inhibiting the activation of PLD induced by ET-1, and subsequently increases the activity of NADPH oxidase. PMID- 29206489 TI - Continuous flow technology vs. the batch-by-batch approach to produce pharmaceutical compounds. AB - INTRODUCTION: For the manufacture of small molecule drugs, many pharmaceutical innovator companies have recently invested in continuous processing, which can offer significant technical and economic advantages over traditional batch methodology. This Expert Review will describe the reasons for this interest as well as many considerations and challenges that exist today concerning continuous manufacturing. Areas covered: Continuous processing is defined and many reasons for its adoption are described. The current state of continuous drug substance manufacturing within the pharmaceutical industry is summarized. Current key challenges to implementation of continuous manufacturing are highlighted, and an outlook provided regarding the prospects for continuous within the industry. Expert commentary: Continuous processing at Lilly has been a journey that started with the need for increased safety and capability. Over twelve years the original small, dedicated group has grown to more than 100 Lilly employees in discovery, development, quality, manufacturing, and regulatory designing in continuous drug substance processing. Recently we have focused on linked continuous unit operations for the purpose of all-at-once pharmaceutical manufacturing, but the technical and business drivers that existed in the very beginning for stand-alone continuous unit operations in hybrid processes have persisted, which merits investment in both approaches. PMID- 29206488 TI - Structural and functional evidence for the scaffolding effect of alveolar blood vessels. AB - A contribution of pulmonary blood distension to alveolar opening was first proposed more than 100 years ago. To investigate the contribution of blood distension to lung mechanics, we studied control mice (normal perfusion), mice after exsanguination (absent perfusion) and mice after varying degrees of parenchymal resection (supra-normal perfusion). On inflation, mean tracheal pressures were higher in the bloodless mouse (4.0 +/- 2.5 cm H2O); however, there was minimal difference between conditions on deflation (0.7 +/- 0.9 cm H2O). To separate the peripheral and central mechanical effects of blood volume, multi frequency lung impedance data was fitted to the constant-phase model. The presence or absence of blood had no effect on central airway resistance (p > .05). In contrast, measures of tissue damping (G), tissue elastance (H) and hysteresivity (eta) demonstrated a significant increase in bloodless mice relative to control mice (p < .001). After varying amount of surgical resection and associated supra-normal perfusion of the remaining lung, there was an increase in G and H. Although the absolute difference in G and H increased with the amount of parenchymal resection, the proportional contribution of blood was identical in all conditions. The presence of blood in the pulmonary vasculature resulted in a constant 64 +/- 5% reduction in tissue damping (G) and a 55 +/- 4% reduction in tissue elastance (H). This nearly-constant contribution of blood to lung hysteresivity was only reduced by positive end-expiratory pressure (PEEP). To identify a distinct structural subset of vessels in the lung potentially contributing to these observations, vascular casting and scanning electron microscopy of the lung demonstrated morphologically distinct vascular rings at the alveolar opening. Our results suggest that intravascular blood distension, likely attributable to a subset of vessels in the alveolar entrance ring, contributes a measurable scaffolding effect to the functional recruitment of the peripheral lung. PMID- 29206491 TI - New advances in tau imaging in parkinsonism. AB - Currently, the differential diagnosis between atypical parkinsonisms and classical idiopathic Parkinson's disease can be quite difficult because of the significant overlap of clinical presentation and symptoms. Neurodegenerative conditions, including progressive supranuclear palsy (PSP), corticobasal degeneration (CBD), and frontotemporal dementia (FTD), are primarily characterized by accumulation of tau protein in the brain. Recent imaging developments for tau pathology may provide a promising tool for the assessment of diagnosis, prognosis, and progression of these neurodegenerative disorders. This review will survey PET studies to describe the recent advances in the imaging of tau pathology in PSP, CBD, and FTD. PMID- 29206492 TI - Intravenous controlled-release hydrogen sulfide protects against ventilator induced lung injury. AB - BACKGROUND: Despite its critical utility in providing life support to patients with impaired respiratory functions, prolonged mechanical ventilation has been found to cause a series of pathological changes in the lung that are collectively referred to as ventilator-induced lung injury (VILI). This study aims to investigate the therapeutic effects of mesoporous silica nanoparticles (DATS MSN), which is capable of releasing H2S in a slow and controlled manner, on VILI. METHODS: A murine VILI model was generated. Rats were randomly divided to three equal groups, the DATS-MSN group, the ventilation group and the nonventilated control group. The animals in both the DATS-MSN group and the ventilation group were surgically connected to rodent ventilators. Meanwhile, the DATS-MSN group and the ventilation group were administered intravenously with 50 mg/kg DATS-MSN and physiological saline, respectively. Animal mortality and various physiological parameters of the lung were recorded throughout the experiment period. Upon completion, the rats were sacrificed and lung tissues were collected for histological examination. The levels of various pro- and anti-inflammatory cytokines in the bronchoalveolar lavage fluid were quantified. The protein levels of NF-kappaB, total and phosphorylated IkappaB-alpha in lung tissues were determined by Western blotting. RESULTS: The rats in the ventilation group showed severe lung injuries and impaired respiratory functions as evidenced by decreased tension of oxygen in arterial blood. However, the injection of DATS-MSN was found to significantly mitigate these abnormalities. In addition, DATS-MSN could significantly alleviate ventilator-induced up-regulation of several pro inflammatory proteins, such as TNF-alpha, IL-1alpha/beta and IL-2, in the murine lung tissues, while stimulating the expression of IL-4, an anti-inflammatory cytokine. Lastly, the nanoparticles were demonstrated to decrease NF-kappaB activity in lung tissues by inhibiting IkappaB-alpha phosphorylation and degradation. CONCLUSION: The current study provided preliminary evidence that intravenous administration of DATS-MSN, a controlled-release H2S donor, led to prolonged survival, improved lung function and alleviated the inflammatory response to mechanical ventilation in a murine model. PMID- 29206493 TI - Understanding and Diagnosing Antimicrobial Resistance on Social Media: A Yearlong Overview of Data and Analytics. AB - To better understand user conversations revolving around antibiotics and antimicrobial resistance (AMR) on Twitter, we used an online data collection and analysis toolkit with full firehose access to collect corpuses of tweets with "antibiotic" and "antimicrobial resistance" keyword tracks. The date range included tweets from November 28, 2015, to November 25, 2016, for both datasets. This yearlong date range provides insight into how users have discussed antibiotics and AMR and identifies any spikes in activity during a particular time frame. Overall, we found that discussions about antibiotics and AMR predominantly occur in the United States and the United Kingdom, with roughly equal gender participation. These conversations are influenced by news sources, health professionals, and governmental health organizations. Users will often defer to retweet and recirculate content posted from these official sources and link to external articles instead of posting their own musings on the subjects. Our findings are important benchmarks in understanding the prevalence and reach of potential misinformation about antibiotics and AMR on Twitter. PMID- 29206494 TI - Prenatal Diagnosis of Twin Fetuses with a Novel AR Gene Mutation in a Chinese Family of Complete Androgen Insensitivity Syndrome. AB - INTRODUCTION AND AIMS: Androgen insensitivity syndrome (AIS) is an X-linked recessive genetic disorder caused by mutations in the androgen receptor (AR) gene. Only a few cases of AIS with AR gene mutations have been diagnosed prenatally. This study aimed to investigate the gene mutation in a Chinese complete androgen insensitivity syndrome family and perform prenatal diagnosis for twin fetuses. CASE REPORT: We evaluated the AR gene of the child proband in a Chinese CAIS family, and detected a novel mutation c.3864T>C (p. Phe917Leu). Amniocentesis was performed when the mother presented to our hospital with a subsequent twin pregnancy. Mutation analysis revealed that both fetuses were hemizygous for this mutation. The aborted fetuses had typical female external genitalia and bilateral testes in abdomen. CONCLUSION: The c.3864T>C AR novel mutation is responsible for complete androgen insensitivity syndrome, and its identification was subsequently used for a subsequent successful prenatal diagnosis. PMID- 29206495 TI - The Clinical and Pathological Features of Maternal Gastric Adenocarcinoma Metastatic to Placenta. AB - We describe two mothers with metastatic gastric carcinoma involving the placenta. The first was a 35-year-old woman, who presented with a progressive decline in serum fibrinogen level at 34 + 2gestation week and underwent an emergency cesarean section. The second case was a 30-year-old woman who developed intolerable lumbosacral pain and cesarean section was performed at her 37 + 3gestation week. Gross pathological examinations of both placentas were normal, but microscopy showed poorly differentiated adenocarcinoma infiltration in the intervillous space, later proved to be gastric in origin. The neoplastic cells did not involve the villi, but were associated with massive perivillous fibrin. The two mothers died 180 and 19 days after the delivery. Both babies were free of metastatic carcinoma at 20- and 19-month follow-up. PMID- 29206496 TI - Development of solid dispersions of beta-lapachone in PEG and PVP by solvent evaporation method. AB - beta-lapachone (betalap) has shown potential use in various medical applications. However, its poor solubility has limited its systemic administration and clinical applications. The aim of this work is to develop solid dispersions of betalap using poly (ethylene glycol) (PEG 6000) and polyvinylpyrrolidone (PVP K30) as hydrophilic polymers and evaluate the dissolution rate in aqueous medium. Solid dispersions were prepared by solvent evaporation method using different weight ratios of betalap and hydrophilic polymer (1:1, 1:2, and 1:3). Characterization performed by differential scanning calorimetry, Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy showed that betalap was molecularly dispersed within the polymer matrix. The in vitro dissolution tests showed an enhancement in the dissolution profile of betalap as solid dispersions prepared in both PVP and PEG, although the former showed better results. The drug:polymer ratio influenced betalap dissolution rate, as higher amounts of hydrophilic polymer led to enhanced drug dissolution. Thus, this study demonstrated that solid dispersions of betalap in PVP offers an effective way to overcome the poor dissolution of betalap. PMID- 29206497 TI - Computer assisted surgery in preoperative planning of acetabular fracture surgery: state of the art. AB - INTRODUCTION: The development of imaging modalities and computer technology provides a new approach in acetabular surgery. Areas covered: This review describes the role of computer-assisted surgery (CAS) in understanding of the fracture patterns, in the virtual preoperative planning of the surgery and in the use of custom-made plates in acetabular fractures with or without 3D printing technologies. A Pubmed internet research of the English literature of the last 20 years was carried out about studies concerning computer-assisted surgery in acetabular fractures. The several steps for CAS in acetabular fracture surgery are presented and commented by the main author regarding to his personal experience. Expert commentary: Computer-assisted surgery in acetabular fractures is still initial experiences with promising results. Patient-specific biomechanical models considering soft tissues should be developed to allow a more realistic planning. PMID- 29206498 TI - The potential application of strategic released apigenin from polymeric carrier in pulmonary fibrosis. AB - AIM: The capability of reducing fibrotic and inflammatory responses in lung tissues represents a gold standard for evaluating the efficacy of therapeutic interventions for treating idiopathic pulmonary fibrosis (IPF). A wide variety of therapeutic strategies have been employed in clinic to treat PF, but limited success has been obtained. Apigenin (4, 5, 7-trihydroxyflavone) is a member of flavonoid family that exerts anti-inflammatory and anti-fibrosis effects. In this study, we explore the potential therapeutic effect of apigenin in lung fibrosis. MATERIALS AND METHODS: Apigenin was employed to treat IPF in a bleomycin-induced PF rat model. Apigenin was loaded onto a biodegradable polymer carrier (nanoparticle, NP) to improve its bio-solubility and bio-availability. The properties (e.g. size, apigenin loading and release profile) of the apigenin loaded polymer carrier were well-characterized. In vitro study was performed to assess the impact of apigenin on pulmonary cell viability, growth, as well as inflammatory and pro-fibrosis responses in pulmonary cells. The impact of apigenin on the production of inflammatory cytokines (e.g. TGF-beta, TNF-alpha) and pro-fibrosis factors in bronchoalveolar lavage fluid and pulmonary cells from lung tissues was also investigated. RESULTS: Our results showed, apigenin has anti-fibrosis effect by inhibition fibrosis related cytokines expression. And compared with apigenin in soluble form, the strategic release of apigenin is more effective in inhibiting pulmonary fibrosis and inflammation. CONCLUSION: Our finding suggested that apigenin loaded on polymeric carrier might be an effective treatment for pulmonary fibrosis patients. PMID- 29206499 TI - Expert judgment based multicriteria decision models to assess the risk of pesticides on reproduction failures of grey partridge. AB - A suite of models is proposed for estimating the risk of pesticides against the grey partridge (Perdix perdix) and their clutches. Radio-tracked data of females, description and location of the clutches, and data on the pesticide treatments during the laying periods of the partridges were used as basic information. Quantitative structure-activity relationship (QSAR) and quantitative structure property relationship (QSPR) modelling allowed us to characterize the pesticides by their 1-octanol/water partition coefficient (log P), vapour pressure, primary and ultimate biodegradation potential, acute toxicity (LD50) on P. perdix, and endocrine disruption potential. From these physicochemical and toxicological data, the system of integration of risk with interaction of scores (SIRIS) method was used to design scores of risk for pesticides, alone or in mixture. A program, written in R (version 3.1.1), called Simulation of Toxicity in Perdix perdix (SimToxPP), was designed for estimating the risk of substances, considered alone or in mixture, against the grey partridge during breeding. The software tool is flexible enough to simulate realistic in situ scenarios. Different examples of applications are shown. The advantages and limitations of the approach are briefly discussed. PMID- 29206500 TI - Molecular property diagnostic suite (MPDS): Development of disease-specific open source web portals for drug discovery. AB - Molecular property diagnostic suite (MPDS) is a Galaxy-based open source drug discovery and development platform. MPDS web portals are designed for several diseases, such as tuberculosis, diabetes mellitus, and other metabolic disorders, specifically aimed to evaluate and estimate the drug-likeness of a given molecule. MPDS consists of three modules, namely data libraries, data processing, and data analysis tools which are configured and interconnected to assist drug discovery for specific diseases. The data library module encompasses vast information on chemical space, wherein the MPDS compound library comprises 110.31 million unique molecules generated from public domain databases. Every molecule is assigned with a unique ID and card, which provides complete information for the molecule. Some of the modules in the MPDS are specific to the diseases, while others are non-specific. Importantly, a suitably altered protocol can be effectively generated for another disease-specific MPDS web portal by modifying some of the modules. Thus, the MPDS suite of web portals shows great promise to emerge as disease-specific portals of great value, integrating chemoinformatics, bioinformatics, molecular modelling, and structure- and analogue-based drug discovery approaches. PMID- 29206501 TI - Synthesis and investigation of binding interactions of 1,4-benzoxazine derivatives on topoisomerase IV in Acinetobacter baumannii. AB - Acinetobacter baumannii has emerged as an important pathogen for nosocomial infections having high morbidity and mortality. This pathogen is notorious for antimicrobial resistance to many common antimicrobial agents including fluoroquinolones, which have both intrinsic and acquired resistance mechanisms. Fluoroquinolones targeting the bacterial topoisomerase II (DNA gyrase and Topo IV) show potent broad-spectrum antibacterial activity by the stabilization of the covalent enzyme-DNA complex. However, their efficacy is now being threatened by an increasing prevalence of resistance. Fluoroquinolones cause stepwise mutations in DNA gyrase and Topo IV, having alterations of their binding sites. Furthermore, the water-Mg+2 bridge, which provides enzyme-fluoroquinolone interactions, has a significant role in resistance. In this study, 13 compounds were synthesized as 1,4-benzoxazine derivatives which act as bacterial topoisomerase II inhibitors and their antibacterial activities were determined against multi-drug resistant Acinetobacter strains which have ciprofloxacin (CIP) resistant and GyrA mutation. Afterwards we performed docking studies with Topo IV (pdb:2XKK) of these compounds to comprehend their binding properties in Discovery Studio 3.5. The results of this study show significant conclusions to elucidate the resistance mechanism and lead to the design of new antibacterial agents as bacterial topoisomerase II inhibitors. PMID- 29206502 TI - Synthesis and activity mechanism of some novel 2-substituted benzothiazoles as hGSTP1-1 enzyme inhibitors. AB - Human GSTP1-1 is one of the most important proteins, which overexpresses in a large number of human tumours and is involved in the development of resistance to several anticancer drugs. So, it has become an important target in cancer treatment. In this study, 12 benzothiazole derivatives were synthesized and screened for their in vitro inhibitory activity for hGSTP1-1. Among these compounds, two of them (compounds #2 and #5) have been found to be the leads when compared with the reference drug etoposide. In order to analyse the structure activity relationships (SARs) and to investigate the binding side interactions of the observed lead compounds, a HipHop pharmacophore model was generated and the molecular docking studies were performed by using CDocker method. In conclusion, it is observed that the lead compounds #2 and #5 possessed inhibitory activity on the hGSTP1-1 by binding to the H-site as a substrate in which the para position of the phenyl ring of the benzamide moiety on the benzothiazole ring is important. Substitution at this position with a hydrophobic group that reduces the electron density at the phenyl ring is required for the interaction with the H side active residue Tyr108. PMID- 29206503 TI - Patients can bid farewell to 'Cadillac' healthcare. PMID- 29206504 TI - Rural medicine: rocky soil for managed care? PMID- 29206505 TI - Managed care can be quality care. PMID- 29206507 TI - Will personal freedom survive reform? PMID- 29206506 TI - Is old-fashioned patient care obsolete? PMID- 29206508 TI - Patients Worry About Rationing And Long Lines. PMID- 29206510 TI - Medicine for the masses: what suffers? PMID- 29206509 TI - Now, Do Something! PMID- 29206511 TI - Change is coming to doctor-patient relationships. PMID- 29206513 TI - Rx for healthcare: let patients pay their share. PMID- 29206512 TI - The reform-plan maze. PMID- 29206514 TI - When bigger isn't better. PMID- 29206516 TI - Your hotline to the players in Washington. PMID- 29206515 TI - Who will advocate for patients? PMID- 29206517 TI - Will reform limit access for rural patients? PMID- 29206518 TI - 'We're going to survive' a solo practitioner digs in his heels. PMID- 29206520 TI - Government-managed healthcare. AB - According to Cato Institute chairman William A. Niskanen, government-mandated managed competition will fail to control healthcare costs and will pose a serious threat to the quality of American medical care. Mr Niskanen elaborates on this viewpoint in the following remarks, which were originally delivered in a speech. PMID- 29206519 TI - Proposed changes in malpractice law. AB - Most of the healthcare reform plans recently introduced in Congress propose changes in medical liability law. Will these changes suffice to stem the rising tide of malpractice suits? How will healthcare professionals be affected by the legislation? The authors, a physician and an attorney, address these and other questions as they analyze the malpractice provisions of five plans and offer their own recommendations for reform. PMID- 29206521 TI - Does Congress know what YOU think? PMID- 29206522 TI - What private-practice doctors can do to contain costs. AB - Not all of the costs of private practice, particularly those related to government regulation, are within your control. However, there are steps, both large and small, that you can take to get fees under control and to eliminate or reduce expenditures. Dr Orient suggests a number of these. PMID- 29206523 TI - What managed-care doctors can do to contain costs. AB - Why does the government need to be involved in cost containment in the healthcare industry? Can't physicians improve efficiency and see more patients without federal rules, regulations, and limits? Dr Clanton shares some ideas about increasing efficiency in managed-care operations, describing ways that physicians and administrators can decrease the cost of healthcare delivery. PMID- 29206524 TI - How physicians will benefit under Clinton's plan. AB - President Clinton's healthcare reform plan will be good for primary care physicians, according to Judith Feder, one of the administration's top health policy advisers. During a 20-minute phone interview recently, she told postgraduate medicine that the goal is to reduce governmental and other kinds of hassles for practitioners while holding them accountable for results. Her responses to other concerns of physicians follow. PMID- 29206525 TI - Making managed care work for you. AB - Making a practice cost-effective and profitable does not have to come at the expense of quality care. By incorporating managed care into their practices, the authors were able to find a successful balance. In this article, they lay out tips that would benefit physicians thinking of setting up their own managed-care centers as well as those looking to fine-tune or expand their current practices. PMID- 29206526 TI - Burning out on solo practice 'you'd like to keep it going but you just can't'. PMID- 29206527 TI - Obstructive sleep apnea. AB - Preview A group of women are talking about their husbands' sleep habits. Tossing, turning, snoring, and falling asleep in the easy chair right after dinner come up. Then someone says, "What really bothers me is when he quits breathing." Several other spouses agree. What they may not know is that this is sleep apnea, which can have serious consequences if left untreated. Drs Chua and Chediak discuss risk factors, causes, diagnosis, and treatment of obstructive sleep apnea. PMID- 29206528 TI - Attention-deficit hyperactivity disorder. AB - Preview Children who fidget, chatter incessantly, interrupt, and hop from one activity to another may be very tiring to be around. Worse yet, their behavior limits their ability to learn and make friends and may have long-term consequences for themselves as well as their families. The authors review the features of attention-deficit hyperactivity disorder and summarize pharmacologic, educational, and behavioral intervention. PMID- 29206529 TI - Oral empirical treatment of pneumonia. AB - Preview Physicians treating community-acquired pneumonia in adults are faced with the challenge of selecting an antimicrobial agent and initiating therapy before a precise cause can be identified. Dr Gleckman discusses factors that can help identify the most likely pathogens, describes advantages and disadvantages of several newer compounds used to treat pneumonia, and outlines an approach to empirical therapy that is based on the patient's age and medical history. PMID- 29206531 TI - Our own Organizations are Campaigning for a Healthcare Bureaucracy. PMID- 29206530 TI - Peripartum complications. AB - Preview Complications around the time of delivery remain a serious problem in this country. Many women are having children later in life, and medical conditions that increase risk may have had time to develop. Drs Ritter and deShazo explain the various risk factors as they describe diagnosis and treatment of these complications. As they point out, the conditions need to be identified and treated immediately, and this task often falls into the hands of primary care physicians. PMID- 29206532 TI - Lipoproteins and apolipoproteins. AB - Preview Plasma contains four major lipoprotein particles: chylomicrons, VLDLs, LDLs, and HDLs. How cholesterol is metabolized depends on the particle with which it is associated. Thus, treatment for hypercholesterolemia is most effective when it is designed to fit the lipoprotein features of a given patient. Dr Kottke describes the five common forms of hyperlipoproteinemia and provides specific therapeutic approaches for each. PMID- 29206533 TI - Dyslipidemias in diabetic patients. AB - Preview Coronary artery disease is the most common cause of premature death in both men and women with diabetes. Thus, optimal care should address atherosclerotic risk factors, which in diabetic patients center on elevated triglyceride levels and decreased high-density lipoprotein cholesterol levels. Dr Gates discusses when and how to treat dyslipidemias in this special population. PMID- 29206534 TI - Gastroesophageal reflux disease. AB - Preview President Clinton's hoarseness during the presidential campaign represents one of the diverse presentations of gastroesophageal reflux disease. Its prevalence is difficult to determine because so many people with mild symptoms treat themselves. Dr Robinson describes the manifestations and causes of chronic reflux and discusses a multiphasic approach to treatment. Future uses of over-the-counter histamine2 blockers (which are still in development) are also explored. PMID- 29206535 TI - Gout and 'pseudogout'. AB - Preview Two crystal compounds-monosodium urate and calcium pyrophosphate dihydrate-can accumulate in connective tissue and/or joints and can present clinically in several ways. The authors discuss the typical patterns seen with each of the arthropathies induced by these crystals, the options available for treatment, and, in the case of gout, ways for preventing recurrence. They also describe identifying radiographic and microscopic characteristics and provide representative illustrations. PMID- 29206536 TI - Helicobacter pylori and peptic ulcer disease. AB - Preview Eradication of Helicobacter pylori clearly reduces the recurrence rate of peptic ulcer disease. Although a preferred treatment regimen has not been established, triple-drug therapy that combines antibiotics with bismuth is recommended. Dr Fedotin suggests, however, that this treatment only be used in selected patients, because it is expensive and may have undesirable side effects. PMID- 29206537 TI - Congestive heart failure. PMID- 29206538 TI - Hat Trick. PMID- 29206539 TI - The facts about fibroids. AB - Preview Uterine fibroids develop in more than half of all women and are the most common indication for major surgery in women. How do these tumors present, and what diagnostic techniques are useful? What are the latest developments in medical treatment? When is surgery indicated? Dr Christiansen answers these and other questions in this review. PMID- 29206540 TI - Thyroid dysfunction in the severely ill and elderly. AB - Preview Manifestations of thyroid dysfunction may be totally misleading in severely ill and elderly patients, often confounding clinical diagnosis. To prevent undue morbidity and mortality in these patients, appropriate selection and accurate interpretation of thyroid function tests are crucial. In this article, Dr Isley compares the classic signs and symptoms of thyroid disorders with those that may appear in elderly patients and in patients severely ill with other diseases, and he presents algorithms for diagnosing thyrotoxicosis and hypothyroidism. PMID- 29206541 TI - Modern management of epilepsy. AB - Preview Your new patient has epilepsy. You remember most of what you learned in medical school and you've seen a few cases since, but you know that things have changed. What are the latest medical regimens and surgical procedures? Which drugs are being used now, and what can you expect from them? Dr Wyler, director of a center devoted to management of epilepsy, fills in the details in this easy to-read article. PMID- 29206542 TI - Noninvasive assessment of systolic and diastolic function. AB - Preview No one has "just CHF" any longer. The increasing sophistication of diagnostic tools has turned a simple diagnosis into a technologic feast. Both systolic and diastolic left ventricular function in patients with CHF can now be accurately defined by using M-mode, two-dimensional, and Doppler echocardiography and radionuclide angiography. Even if your practice does not include these testing capabilities, knowing how to interpret the results and knowing the diagnostic clues on physical examination enhance your ability to care for any type of patient with CHF. PMID- 29206543 TI - Invasive testing in congestive heart failure. AB - Preview Cardiac catheterization of patients with congestive heart failure (CHF) can provide information that may indicate the cause of the CHF, suggest its prognosis, or serve as a basis for treatment decisions. Under what circumstances do CHF patients require hemodynamic assessment? What are the benefits of contrast angiography and coronary arteriography? Why is it important to consider endomyocardial biopsy in any patient with CHF who does not have significant coronary or valvular disease? Dr Murali addresses these and other questions. PMID- 29206545 TI - Snow Jobs. PMID- 29206546 TI - Drug dosing in patients with renal insufficiency. AB - Preview When drugs are prescribed for patients with renal insufficiency, the dosage regimen may need to be altered to prevent toxic accumulation of drugs or their metabolites. An increase in the dosing interval is preferred over dose reduction for drugs excreted by the kidney. In this article, the authors explain how renal impairment interferes with the disposition of drugs and present guidelines to reduce drug-induced side effects and improve patient outcomes. PMID- 29206544 TI - A Complication of Percutaneous Sclerotherapy for Congenital Pulmonary Airway Malformation: Intravascular Injection and Cardiac Necrosis. AB - INTRODUCTION: A congenital pulmonary airway malformation (CPAM) type III may become large enough to cause hydrops fetalis. In such circumstances, the fetus can be treated with open fetal resection, maternal betamethasone administration, or percutaneous sclerotherapy. CASE REPORT: A 24 week gestation fetus with a CPAM type III was treated by percutaneous sclerotherapy using ethanolamine oleate (EO). The EO inadvertently entered the left atrium and ventricle with subsequent fetal bradycardia and demise. Autopsy revealed myocardial necrosis. CONCLUSION: Percutaneous sclerotherapy has been previously described in the literature for the treatment of microcystic CPAMs with secondary hydrops. This is the first reported case of an adverse event after fetal sclerotherapy. PMID- 29206547 TI - Rheumatoid arthritis. AB - Preview Once considered relatively benign, rheumatoid arthritis is now recognized as a disabling systemic disease that causes substantial morbidity and mortality. Early, aggressive therapy may be critical for altering the course of disease. Drs Vikings-son and Graziano describe the causes and clinical course of rheumatoid arthritis and discuss diagnostic considerations and prognostic indicators that support optimum management. PMID- 29206548 TI - Chronic pelvic pain. AB - Preview What do complaints of sleeplessness, depression, childhood sexual abuse, and dysfunctional family and marital relationships have to do with chronic pelvic pain? Maybe a lot, according to the authors' findings in studies of patients at a clinic for chronic pain. The authors describe diagnostic clues to watch for during history taking, an approach to differential diagnosis (including use of the "torso score"), and therapeutic options. PMID- 29206549 TI - Chronic bronchitis. AB - Preview A number of therapies may be beneficial to patients with chronic bronchitis, but quitting smoking is the first and most important step. The authors of this article explain why smoking cessation is so essential for improvement of symptoms and preservation of pulmonary function. They also discuss current pharmacologic approaches to management of chronic bronchitis. PMID- 29206550 TI - Headache in elderly patients. AB - Preview Although headaches in elderly patients are usually benign, they are common and some can be life-threatening. Precise diagnosis is imperative for optimum pain management and early detection of underlying organic disorders. Dr Ruoff discusses the primary types of benign headache, current diagnostic criteria, and appropriate pharmacologic and non-pharmacologic therapies. Organic causes of headache are also discussed. PMID- 29206551 TI - Hepatocellular carcinoma. AB - Preview Although hepatocellular carcinoma is rare in the United States, it is a serious disease that will likely increase in incidence with the changing patterns of immigration. The vast majority of patients with hepatocellular carcinoma have been exposed to hepatitis B or hepatitis C, and all three diseases have the same geographic distribution. Thus, a link between the diseases seems indisputable. The authors define the populations at risk for hepatocellular carcinoma and describe the availability and use of screening methods. PMID- 29206552 TI - Chronic bronchitis. AB - Preview Wheezing, difficulty in breathing, and coughing that produces thick sputum are all symptoms of chronic bronchitis. Differentiating this very common disorder from other pulmonary diseases with similar symptoms can be difficult. What factors contribute to the disorder? What should be the focus of clinical evaluation? In this article, Drs Kronenberg and Griffith answer these and other questions relating to evaluation of chronic bronchitis. PMID- 29206553 TI - Development of Imminent Mortality Predictor for Advanced Cancer (IMPAC), a Tool to Predict Short-Term Mortality in Hospitalized Patients With Advanced Cancer. AB - PURPOSE: End-of-life care for patients with advanced cancer is aggressive and costly. Oncologists inconsistently estimate life expectancy and address goals of care. Currently available prognostication tools are based on subjective clinical assessment. An objective prognostic tool could help oncologists and patients decide on a realistic plan for end-of-life care. We developed a predictive model (Imminent Mortality Predictor in Advanced Cancer [IMPAC]) for short-term mortality in hospitalized patients with advanced cancer. METHODS: Electronic health record data from 669 patients with advanced cancer who were discharged from Yale Cancer Center/Smilow Cancer Hospital were extracted. Statistical learning techniques were used to develop a tool to estimate survival probabilities. Patients were randomly split into training (70%) and validation (30%) sets 20 times. We tested the predictive properties of IMPAC for mortality at 30, 60, 90, and 180 days past the day of admission. RESULTS: For mortality within 90 days at a 40% sensitivity level, IMPAC has close to 60% positive predictive value. Patients estimated to have a greater than 50% chance of death within 90 days had a median survival time of 47 days. Patients estimated to have a less than 50% chance of death had a median survival of 290 days. Area under the receiver operating characteristic curve for IMPAC averaged greater than .70 for all time horizons tested. Estimated potential cost savings per patient was $15,413 (95% CI, $9,162 to $21,665) in 2014 constant dollars. CONCLUSION: IMPAC, a novel prognostic tool, can generate life expectancy probabilities in real time and support oncologists in counseling patients about end-of-life care. Potentially avoidable costs are significant. PMID- 29206554 TI - Front-Line Treatment Options for Chronic-Phase Chronic Myeloid Leukemia. AB - The Oncology Grand Rounds series is designed to place original reports published in the Journal into clinical context. A case presentation is followed by a description of diagnostic and management challenges, a review of the relevant literature, and a summary of the authors' suggested management approaches. The goal of this series is to help readers better understand how to apply the results of key studies, including those published in Journal of Clinical Oncology, to patients seen in their own clinical practice. A 40-year-old woman with a past medical history of hypertension and occasional premature ventricular contractions was found on routine blood work in June 2011 to have mild thrombocytosis, with a platelet count of 405,000. In November 2011, repeat analysis revealed a platelet count of 433,000, and by February 2012 her platelet count was 509,000. She had no evidence of leukocytosis or anemia and no symptoms of early satiety, night sweats, pruritus, or erythromelalgia. She was referred to a hematologist for evaluation of persistent isolated thrombocytosis in March 2012. Her spleen was not palpable, and a quantitative polymerase chain reaction (PCR) test for JAK2/V617F was negative. A bone marrow biopsy and aspiration revealed a mildly hypercellular marrow (70% to 80% cellularity), with an elevated myeloid:erythroid ratio of 5:1, increased megakaryocytes including micromegakaryocytes in the absence of increased blasts. Cytogenetic analysis revealed the presence of the Philadelphia chromosome translocation in 17 out of 20 metaphases. The remaining three metaphases were normal karyotype. Quantitative PCR for BCR-ABL1 yielded a value of 29.6% on the International Scale. PMID- 29206555 TI - A Connectedness Primer for Healthcare Providers: Adolescents/Young Adult Cancer Survivors' Perspectives on Behaviors That Foster Connectedness During Cancer Treatment and the Resulting Positive Outcomes. AB - PURPOSE: Many healthcare providers (HCPs) struggle to communicate and connect with adolescents and young adults (AYA) with cancer that hinders their ability to adequately assess and address the psychosocial needs of AYA. The purpose of this article is to describe the key behaviors of HCPs AYA perceive as essential to fostering connectedness with them and the outcomes AYA experience from such connectedness. METHODS: The sample for this empirical phenomenological study was nine AYA cancer survivors (aged 20-23 years) who were diagnosed in adolescence. In-person individual interviews were conducted using a broad, data-generating question and analyzed using an adapted Colaizzi's method. RESULTS: The key behaviors of HCPs AYA perceive as essential to fostering connectedness include (1) exhibiting characteristics of knowing how to connect; (2) being watchful and attentive to AYA needs; (3) displaying a willingness to foster the relationship; (4) using humor; and (5) conveying respect, support, and caring. Outcomes of connectedness for AYA include a sense of being cared about, understood, and respected as unique individuals. In addition, AYA experience a sense of confidence/comfort in expressing themselves to HCPs, anticipation of interacting with HCPs in the future, a sense of gratitude for HCPs, and enhanced well-being. CONCLUSION: Findings highlight the specific behaviors HCPs can use to foster connectedness with AYA and the outcomes AYA experience from connectedness. Improving HCPs' ability to connect with AYA and maintain connectedness is essential to identifying and addressing the psychosocial needs of AYA. AYA-HCP connectedness may help reduce the psychosocial distress AYA experience during and after treatment. PMID- 29206557 TI - Selection Bias in Colorectal Surgery in a Non-Tertiary Hospital: Laparoscopic Versus Open Surgery. AB - INTRODUCTION: Laparoscopy is used increasingly to treat malignant and benign colorectal surgical diseases. However, this practice is still not offered to all patients. Many barriers halt the widespread use of laparoscopic colorectal surgery. Both surgeon's and patient's factors contribute to limit a wider use of laparoscopy in colorectal surgery. MATERIALS AND METHODS: We retrospectively analyzed 408 consecutive colorectal resections in a 4-year period, to find out if a selection bias exists in using laparotomy or laparoscopy for colorectal surgical diseases, and which factors are associated with a poor use of laparoscopy or to a preferred laparotomy. RESULTS: In our practice, advanced disease, American Society of Anesthesiologist class III and IV, and emergency status are all patient-related factors associated with laparotomy. Surgeon's age more than 52 years and lack of laparoscopic training are surgeon-related factors that negatively affect the chance of being operated on with the laparoscopic technique. CONCLUSIONS: An extensive laparoscopic colorectal training and a supporting environment, especially during the night shift, are needed to facilitate the use of laparoscopy in colorectal surgery avoiding a bias in selecting surgical candidates to one technique or another. PMID- 29206556 TI - Intravitreal, Subretinal, and Suprachoroidal Injections: Evolution of Microneedles for Drug Delivery. AB - Even though the very thought of an injection into the eye may be frightening, an estimated 6 million intravitreal (IVT) injections were made in the USA during 2016. With the introduction of new therapeutic agents, this number is expected to increase. In addition, drug products that are injectable in ocular compartments other than the vitreous humor are expected to enter the back of the eye market in the not so distant future. Besides the IVT route, some of the most actively investigated routes of invasive administration to the eye include periocular, subretinal, and suprachoroidal (SC) routes. While clinical efficacy is the driving force behind new injectable drug product development for the eye, safety is also being improved with time. In the case of IVT injections, the procedural guidelines have evolved over the years to improve patient comfort and reduce injection-related injury and infection. Similar advances are anticipated for other routes of administration of injectable products to the eye. In addition to procedural improvements, the design of needles, particularly those with smaller diameters, length, and controlled bevel angles are expected to improve overall safety and acceptance of injected ophthalmic drug products. A key development in this area is the introduction of microneedles of a length less than a millimeter that can target the SC space. In the future, needles with smaller diameters and lengths, potentially approaching nanodimensions, are expected to revolutionize ophthalmic disease management. PMID- 29206558 TI - Toxic shock syndrome. AB - Preview Toxic shock syndrome is no longer a disease that affects only young, menstruating women. Staphylococcal toxic shock syndrome has been diagnosed with increasing frequency in children, men, and older women, and a streptococcal syndrome affecting both sexes and all age-groups has been identified. The variant presentations of these infections can make diagnosis difficult. Dr Strausbaugh describes the features of both the staphylococcal and the streptococcal forms of toxic shock syndrome and offers tips for rapid recognition. PMID- 29206559 TI - Primary sclerosing cholangitis and primary biliary cirrhosis. AB - Preview Although primary sclerosing cholangitis occurs most often in middle-aged or younger men and primary biliary cirrhosis in middle-aged or older women, the diseases have some traits in common-unfortunate ones. In both diseases, the cause is unknown, and liver transplantation is the only known effective therapy for advanced cases. Dr Fennerty discusses trials of medical treatments used in an attempt to arrest progression of these diseases and summarizes the outcomes. PMID- 29206560 TI - Prevention of myocardial reinfarction. AB - Preview The number of cardiac drugs is growing every day, and their indications are changing as more is learned about each one. Choosing the appropriate drug for each patient is made difficult by these complexities, especially when a patient has already had a heart attack. The authors review the latest trials of the major classes of cardiac drugs and give recommendations that will help physicians make a reasonable choice of drug therapy for each patient. PMID- 29206561 TI - Gallstones. AB - Preview Gallstones, already estimated to occur in 1 of every 10 Americans, may be even more common than that, since many stones are asymptomatic and discovered only incidentally. In an effort to avoid the expense of surgery and the recovery period afterward, investigators have developed pharmacologic, radiographic, and other nonsurgical treatment methods, which continue to be refined. Dr Jaffe summarizes these alternatives, patient selection, success rates, and posttreatment recurrence. PMID- 29206562 TI - Biliary obstruction. AB - Preview In a state-of-the art medical center, stones in the bile duct can be fragmented with stone-crushing baskets or electro- hydraulic or laser probes passed through an endoscope. Or they can be snared in a basket catheter inserted through a T-tube tract and guided by fluoroscopy. Expanding metallic mesh stents are being developed for use in biliary strictures and may have prolonged patency. However, as Dr Hixson emphasizes, the success of these and the other techniques described in this article depends on the skill and experience of available endoscopists and interventional radiologists. PMID- 29206563 TI - Benign prostatic hyperplasia. AB - Preview Management of benign prostatic hyperplasia (BPH) is no longer the cut-and dried topic that it once was. In this article, Dr Moul presents an update on new medical therapies for mild and moderate cases of BPH and on surgical interventions (some experimental) for more advanced cases. He predicts that intensive research during the next decade will lead to more insight into the most effective therapies for this condition. PMID- 29206564 TI - Advance Care Planning in an Accountable Care Organization Is Associated with Increased Advanced Directive Documentation and Decreased Costs. AB - BACKGROUND: Advance care planning (ACP) documents patient wishes and increases awareness of palliative care options. OBJECTIVE: To study the association of outpatient ACP with advanced directive documentation, utilization, and costs of care. DESIGN: This was a case-control study of cases with ACP who died matched 1:1 with controls. We used 12 months of data pre-ACP/prematch and predeath. We compared rates of documentation with logit model regression and conducted a difference-in-difference analysis using generalized linear models for utilization and costs. SETTING/SUBJECTS: Medicare beneficiaries attributed to a large rural suburban-small metro multisite accountable care organization from January 2013 to April 2016, with cross reference to ACP facilitator logs to find cases. MEASUREMENTS: The presence of advance directive forms was verified by chart review. Cost analysis included all utilization and costs billed to Medicare. RESULTS: We matched 325 cases and 325 controls (51.1% female and 48.9% male, mean age 81). 320/325 (98.5%) ACP versus 243/325 (74.8%) of controls had a Healthcare Power of Attorney (odds ratio [OR] 21.6, 95% CI 8.6-54.1) and 172/325(52.9%) ACP versus 145/325 (44.6%) controls had Practitioner Orders for Life Sustaining Treatment (OR 1.40, 95% CI 1.02-1.90) post-ACP/postmatch. Adjusted results showed ACP cases had fewer inpatient admissions (-0.37 admissions, 95% CI -0.66 to 0.08), and inpatient days (-3.66 days, 95% CI -6.23 to -1.09), with no differences in hospice, hospice days, skilled nursing facility use, home health use, 30-day readmissions, or emergency department visits. Adjusted costs were $9,500 lower in the ACP group (95% CI -$16,207 to -$2,793). CONCLUSIONS: ACP increases documentation and was associated with a reduction in overall costs driven primarily by a reduction in inpatient utilization. Our data set was limited by small numbers of minorities and cancer patients. PMID- 29206565 TI - Absorption, distribution, metabolism, and excretion of mTOR kinase inhibitor CC 223 in rats, dogs, and humans. AB - 1. The absorption, distribution, metabolism, and excretion of CC-223 were studied following a single oral dose of [14C]CC-223 to rats (3 mg/kg; 90 MUCi/kg), dogs (1.5 mg/kg; 10 MUCi/kg), and healthy volunteers (20 mg; 200 nCi). 2. CC-223 derived radioactivity was widely distributed in rats. Excretion of radioactivity was rapid and nearly complete from rats (87%), dogs (78%), and humans (97%). Feces was the major excretion pathway for rats (67%) and dogs (70%), whereas urine (57.6%) was the major elimination route for humans. Urine and bile each contained approximately 20% administered radioactivity in rats, whereas bile (20%) played a more important role than urine (<10%) in the excretion of absorbed radioactivity in dogs. Based on excretion data, CC-223 had good absorption, with greater than 56%, 29%, and 57% of the oral dose absorbed in rats, dogs, and humans, respectively. 3. CC-223 was the prominent radioactive component in circulation of rats (>71% of the exposure to total radioactivity) and dogs (>=45.5%), whereas M1 (76.5%) was the predominant circulating metabolite in humans. M1 and M1-derived metabolites accounted for >66% of human dose. CC-223 was extensively metabolized in rats, dogs, and humans through glucuronidation, O demethylation, oxidation, and combinations of these pathways. PMID- 29206566 TI - Preferences and Inhalation Techniques for Inhaler Devices Used by Patients with Chronic Obstructive Pulmonary Disease. AB - BACKGROUND: Inhaler technique and patient preferences are often overlooked when selecting maintenance treatments for patients with chronic obstructive pulmonary disease (COPD), but are important issues in ensuring drug efficacy and patient adherence. Few data on these issues are available for new inhalation devices. OBJECTIVES: To evaluate the inhalation techniques for the HandiHaler(r), Breezhaler(r), Genuair(r), and Respimat(r) inhalation devices, and patient preferences for the three latter inhalers that were recently developed. METHODS: A prospective two-center cross-sectional study of COPD patients was conducted. The patients were required to be current HandiHaler users who had not previously used the new inhalers (Breezhaler, Genuair, Respimat). The patients were given the new devices and asked to identify the one they preferred before and after using the inhaler. Each patient tried the HandiHaler and two devices out of the three new inhalers: one preferred by the patient and one imposed by the investigator. Their inhalation technique was evaluated using an assessment checklist. A logistic regression model was used to determine which device was used with the fewest errors. RESULTS: Of the 98 patients who completed the study, 57.1% (95% CI: 47.4-66.9) had an adequate HandiHaler technique. There was no difference between the proportions of patients with an adequate Breezhaler and Genuair inhalation technique (aOR 1.08, 95% CI: 0.51-2.30), but 62% fewer patients using Respimat had an adequate technique than those using Genuair (aOR for adequate technique 0.38, 95% CI: 0.18-0.82). There were no significant differences in the initial patient preferences for the three new inhalers, and no association between the patient's preference and an adequate inhaler technique. CONCLUSION: Inhalation techniques were suboptimal and varied between inhalers. The arrival of new inhalers is an opportunity to reassess patient techniques and preferences. Further studies should also explore the association between the inhaler preferences and treatment adherence of patients. PMID- 29206567 TI - Comparison of Robotic Pyeloplasty and Standard Laparoscopic Pyeloplasty in Infants: A Bi-Institutional Study. AB - PURPOSE: To compare outcomes between robotic pyeloplasty (RP) and standard laparoscopic pyeloplasty (LP) in the infant population for the treatment of ureteropelvic junction (UPJ) obstruction. MATERIALS AND METHODS: We performed a retrospective cohort study of all children under 1 year of age who underwent RP or LP at two different medical centers between October 2009 and February 2016. Patient demographics, perioperative data, complications, and results were reviewed. RESULTS: Thirteen patients underwent standard LP, and 21 patients underwent RP during the study period. Median age and median weight at time of operation for the whole cohort were 6.1 months and 7.9 kg. Surgery success rates were similar with 95% and 92% in RP and LP, respectively. There was no statistically significant difference in operating time between the 2 groups, with a median time of 156 minutes in RP (range 125-249) and 192 minutes (range 98-229) in standard LP (P = .35). Median length of hospital stay was significantly shorter in the robotic group with a median stay of 1 day (range 1-3) and 7 days (range 7-12) in the standard LP group.(P < .0001) Drains or nephrostomy tubes were used more often in the laparoscopic group (100%, 13/13) as opposed to RP (9.5%, 2/21, P < .0001) There was a comparable complication rate between the 2 groups, 30.8% for LP and 23.8% for RP (P = .65). CONCLUSIONS: The minimally invasive dismembered pyeloplasty is safe and effective in the infant population and produces high success rates. The results, complication rates, and operative time were comparable between the two surgical methods while the standard LP demonstrated longer hospital stay. Both the robotic approach and the LP can be successfully utilized for the benefit of infants with UPJ obstruction. PMID- 29206568 TI - In Utero Exposure to Opioids: An Observational Study of Mothers Involved in the Child Welfare System. AB - BACKGROUND: Women are underrepresented in the current substance abuse research; however, women are a particularly vulnerable population when it comes to opioid use and abuse. Pregnant women are even more so, because of the potential that exists for in utero exposure (IUE) to substances. OBJECTIVES: To identify trends in IUE to opioids in order to ensure that resources are allocated effectively to address the current opioid epidemic and to assist the populations most affected by it. METHODS: This study draws on 15 years' worth of clinical assessment data collected from 3598 child welfare-involved mothers to assess for trends in IUE to substances over time. Data from the last 5 year period (N = 852) are then analyzed to identify recent demographic correlates associated with IUE to opioid substances. RESULTS: A substantial increase in the rates of IUE to opioids over the past 15 years is observed among child welfare-involved mothers. Moreover, we find that race is a significant correlate of IUE to opioids. CONCLUSION: Study findings are consistent with other recent research that demonstrates racial differences in the populations that are most affected by the opioid epidemic; however, more research is needed to determine how these racial differences in rates of IUE to opioids affect child welfare outcomes. PMID- 29206569 TI - Application of Miniature Heart Rate Data Loggers for Use in Large Free-Moving Decapod Crustaceans: Method Development and Validation. AB - Cardiovascular responses of decapod crustaceans to environmental challenges have received extensive attention. However, nearly all of these studies have been restricted to lab-based experiments; here we describe a methodology that will enable measurement of heart rate (HR) in free-moving decapods in the field. Data storage tag heart rate and temperature loggers (DST micro-HRT; Star-Oddi) were used to record electrocardiograms (ECG) and HR in large decapod crustaceans. These loggers were originally designed for use in vertebrates and must be surgically implanted in the body cavity near the heart in order to function. We adapted these loggers for external use in large decapod crustaceans. The method involved abrading the carapace directly above the heart and placing the electrodes of the logger directly on top of the dermal tissue. The logger was then secured in place with periphery wax. This method negated some of the more intricate operations used for vertebrates. The rapid setup time of approximately 5 min suggested that animals could be easily instrumented in the field and without the use of anesthetic. The logger was calibrated by simultaneously measuring the HR changes of a West Indian spider crab Mithrax spinosissimus with a pulsed-Doppler flowmeter. The data gathered with the two methods showed a tight correlation during an increase in temperature. The loggers were also successfully implanted in a variety of other large species of aquatic and terrestrial decapods. The data obtained showed that the method works in a broad range of species, under different experimental conditions. In each case, the loggers comprised less than 1% of the body mass and would be suitable for use in animals >300 g. All animals survived the attachment procedures and were feeding and active after removal of the loggers. Nearly all previous cardiac measurements on decapods have been carried out in controlled laboratory settings. The use of these loggers will make significant advances in measuring HR in unrestrained, undisturbed animals in their natural environment during extended periods of time and has the potential to lead to novel findings. PMID- 29206570 TI - Understanding Suicidal Ideation in Latino/a Adolescents Living in Puerto Rico. AB - : Puerto Rican adolescents, as well as other Latinos/as, have been identified at higher risk for suicidal ideation and attempts compared to other ethnic groups. However, research designed to better understand suicidality among Puerto Rican adolescents is rare. OBJECTIVE: A socio-cognitive vulnerability model of suicidal ideation was tested in adolescents living in Puerto Rico. METHOD: Multiple group path analyses were performed to assess the effect of self-reported socio environmental and vulnerability factors on suicidal ideation, by sex, in 233 students from the metropolitan area of San Juan, Puerto Rico. RESULTS: Overall, the model explained a large amount of the variance in suicidal ideation (r2 = .59 for females and r2 = .48 for males). Depressive symptoms had the strongest total effect on suicidal ideation for both sexes (r = .69 for females and r = .53 for males) and negative life events were the most salient socio-environmental factor. Hopelessness had a direct effect on suicidal ideation for males only. Externalizing behaviors had a direct effect on suicidal ideation for both males and females, but it was particularly strong for females. CONCLUSION: Results support the mediating role of vulnerability factors and the differential importance of socio-environmental and vulnerability factors in understanding suicidal ideation among Puerto Rican adolescents. The relevance of exploring different developmental paths to suicidal ideation, separately by sex, is discussed. PMID- 29206571 TI - Predicting Ambivalence: When Same-Sex Sex Is Only "Sometimes Wrong". AB - Despite Americans' growing acceptance of LGBTQ people and their sexual behaviors over the past 40 years, approximately 10% of the population consistently expresses conflicted feelings, reporting that same-sex sex is only sometimes wrong. This research employs a theory of socially structured ambivalence to examine how individuals with ambivalence toward the morality of same-sex sex differ from those with strong moral stances. Using multinomial regression analysis of General Social Survey data, we find that socio-structural conflicts e.g. simultaneous membership in institutions with conflicting normative messages are predictive of ambivalent attitudes, and the presence of these structured conflicts appears to have a cumulative effect. These findings provide evidence of the predictive power of socially structured conflicts in producing ambivalent attitudes and expand the existing literature on ambivalence and attitudes about same-sex relations. We propose that scholars conceptualize ambivalence as a distinctly socio-structural and relational construct that may help to signal fertile ground for social change. PMID- 29206572 TI - Non-Monosex Research Publication in U.S.-Based Social Work Journals Between 2008 2016. AB - An estimated 4% of men and 9% of women identify as non-monosex, a term for sexual identities outside of the heterosexual/homosexual binary, such as bisexual, pansexual, polysexual, and asexual. In addition to experiences of oppression shared with all sexual minorities, non-monosex-identifying persons face additional issues of monosex bias in their personal lives, in mass media, and in research. Despite social work's commitment to issues of social justice and inclusion, prior reviews of the literature have indicated a gap in research on non-monosex-identifying persons, which can lead to inappropriate clinical practices and continued stigmatization. The authors of this article examined the state of social work literature on non-monosex-identifying persons through a systematic review and content analysis of primary-study data-based publications from 2008 to 2016 in 24 social work journals based in the United States. Only four articles were found that met the inclusion criteria, and while 31% of the 357 total study participants identified as non-monosex, a content analysis showed subtle forms of monosex bias in the reporting of study results, such as collapsing of gay/lesbian participants with non-monosex participants and the use of marginalizing language. Implications and suggestions for future social work researchers are discussed. PMID- 29206573 TI - Associations between Health Literacy, Cancer-Related Knowledge, and Preventive Health Behaviors in Community-Dwelling Korean Adults. AB - This cross-sectional study aimed to examine the association between health literacy, cancer-related knowledge, and preventive health behaviors among community-dwelling adults in Korea. Data were collected from 542 adults aged >= 18 years living in five big provinces in Korea (Seoul, Gyeonggi-do, Gyeongsang do, Chungcheong-do, and Gangwon-do). Socio-demographic and health-related characteristics were determined using structured questionnaires. Health literacy, cancer-related knowledge, and engagement in preventive health behaviors were measured using validated instruments. These three variables differed according to socio-demographic and health-related characteristics, such as education, sex, age, and marital status. In the hierarchical regression analysis, health literacy (beta = 0.26, p < .001) and cancer-related knowledge (beta = 0.21, p < .001) were significant predictors of preventive health behavior after adjusting for confounding variables. Cancer-related knowledge partially mediated the effect of health literacy on preventive health behaviors. Health literacy can play a key role in cancer prevention. It is important for healthcare providers to know how to deliver cancer-related knowledge and how to help people with low health literacy to engage in preventive health behaviors, using a variety of health information resources. Further research is needed to develop the instruments to assess comprehension of spoken and written health messages for cancer prevention and screening. PMID- 29206574 TI - The Role of Cultural and Family Values on Social Connectedness and Loneliness among Ethnic Minority Elders. AB - OBJECTIVES: Ethnic minority elders have high levels of social isolation and loneliness. Assumptions about the family providing enough social support exist in the literature, contradicting ethnic minority elders' reported levels of isolation and loneliness. While structural barriers influence feelings of isolation and loneliness, limited information exists about the role of cultural factors such as acculturation and family values. Accordingly, this study investigated the roles of acculturation and family values on loneliness and social isolation among ethnic minority elders. METHODS: Ethnic minority elders (N = 123) completed a questionnaire that assessed their social connectedness, measured by social network and levels of loneliness, and structural factors such as income. Additionally, cultural and family values were assessed by acculturation and the 'family as referents' dimension of familism, which refers to the belief that family members' behaviour should meet with familial expectations. RESULTS: Statistical analysis using hierarchical regression indicated that 'family as referents' and acculturation predicted loneliness, but not social network. CONCLUSIONS: This study raises the importance of considering cultural values when investigating predictors of loneliness among ethnic minority elders. CLINICAL IMPLICATIONS: Findings highlight the importance of addressing familial expectations in programs aimed at alleviating loneliness among ethnic minority elders. PMID- 29206575 TI - Gun attitudes on campus: United and divided by safety needs. AB - All people share a need for safety. Yet people's pursuit of safety can conflict when it comes to guns, with some people perceiving guns as a means to safety and others perceiving guns as a threat to safety. We examined this conflict on a U.S. college campus that prohibits guns. We distinguished between people (N = 11,390) who (1) own a gun for protection, (2) own a gun exclusively for reasons other than protection (e.g., collecting, sports), and (3) do not own a gun. Protection owners felt less safe on campus and supported allowing guns on campus. They also reported that they and others would feel safer and that gun violence would decrease if they carried a gun on campus. Non-owners and non-protection owners felt the reverse. The findings suggest that protection concerns, rather than gun ownership per se, account for diverging perceptions and attitudes about guns and gun control. PMID- 29206576 TI - A Review of the Literature on LGBTQ Adults Who Experience Homelessness. AB - Little is known about lesbian, gay, bisexual, transgender, and queer (LGBTQ) adults who experience homelessness. The current review critically analyzes the scant literature on LGBTQ adults who experience homelessness, with a particular focus on: (1) pathways into homelessness; (2) support needs; (3) targeted programming; and (4) exits out of homelessness. A total of 143 articles were identified, and 16 articles met the criteria of appropriate age range, article quality, and relevance of topic. Results from this review demonstrate that homeless LGBTQ adults have unique physical and mental health challenges, largely concerning HIV and substance use. Transgender and gender non-conforming adults who experience homelessness encounter several challenges in the homelessness system, particularly in regard to safety and gender-affirming supports. Recommendations focus on practical implications for support and suggestions for future research. PMID- 29206577 TI - Increased Reporting of Exclusionary Diagnoses Inflate Apparent Reductions in Long Stay Antipsychotic Prescribing. AB - OBJECTIVE: Over the two years following the 2012 introduction of CMS's National Partnership, combined rates of schizophrenia, Tourette's, and Huntington's in US long-stay residents increased 12%. We evaluated trends in reporting of these diagnoses for the subgroup of long-stay residents on antipsychotics. METHODS: Retrospective analysis of Virginia Medicaid claims identified annual utilization rates of psychiatric diagnoses for long-stay seniors on antipsychotics. Chi square analysis compared rates for the year before March, 2012 with the same 12 month period 1 year later. A 5-year pre-existing baseline rate was also obtained. RESULTS: Diagnosis rates for 2011 were unchanged from baseline. Comparing 2011 with 2013, diagnoses rates for schizophrenia, Tourette's, and Huntington's combined increased 40% (p < .0001), primarily because schizophrenia reporting nearly doubled (p < .0001). CONCLUSIONS: For long-stay seniors on antipsychotics, reporting of schizophrenia, Tourette's, and Huntington's began increasing in 2012 and at almost triple the rate CMS described for the general long-stay population. The increased reporting of these diagnoses described by CMS since 2012 appears to be new and concentrated in residents on antipsychotics Clinical Implications: Since antipsychotics prescribed for schizophrenia, Tourette's, and Huntington's are excluded from quality-measure auditing, apparent reductions in inappropriate long-stay antipsychotic use since the National Partnership may be exaggerated. PMID- 29206579 TI - Peripheral neuropathy. AB - Preview Peripheral neuropathy affects about one in five older persons, yet it is often not recognized as a cause of falls. Why do patients with peripheral neuropathy fall? The authors, who have studied this subject extensively, describe specific impairments, explain simple clinical techniques to identify functionally significant nerve dysfunction, and suggest ways to help patients prevent further falls. PMID- 29206578 TI - Wellness in Sickness and Health (The W.I.S.H. Project): Advance Care Planning Preferences and Experiences Among Elderly Latino Patients. AB - OBJECTIVE: To assess advance care planning (ACP) preferences, experiences, and comfort in discussing end-of-life (EOL) care among elderly Latinos. METHODS: Patients aged 60 and older from the Los Angeles County and University of Southern California (LAC+USC) Medical Center Geriatrics Clinic (n = 41) participated in this intervention. Trained staff conducted ACP counseling with participants in their preferred language, which included: (a) pre-counseling survey about demographics and EOL care attitudes, (b) discussion of ACP and optional completion of an advance directive (AD), and (c) post-session survey. RESULTS: Patients were primarily Spanish speaking with an average of 2.7 chronic medical conditions. Most had not previously documented (95%) or discussed (76%) EOL wishes. Most were unaware they had control over their EOL treatment (61%), but valued learning about EOL options (83%). Post-counseling, 85% reported comfort discussing EOL goals compared to 66% pre-session, and 88% elected to complete an AD. Nearly half of patients reported a desire to discuss EOL wishes sooner. CONCLUSIONS: Elderly Latino patients are interested in ACP, given individualized, culturally competent counseling in their preferred language. CLINICAL IMPLICATIONS: Patients should be offered the opportunity to discuss and document EOL wishes at all primary care appointments, regardless of health status. Counseling should be completed in the patient's preferred language, using culturally competent materials, and with family members present if this is the patient's preference. Cultural-competency training for providers could enhance the impact of EOL discussions and improve ACP completion rates for Latino patients. PMID- 29206580 TI - Diabetic ketoacidosis and hyperosmolar nonketotic state. AB - Preview Severe metabolic complications of diabetes mellitus are a common cause of morbidity and death in both type I and type II disease. The distinctions between diabetic ketoacidosis and hyperosmolar nonketotic state are clearly defined, and accurate recognition is important for proper treatment. This article focuses on the practical aspects of evaluation and management of these serious diabetic complications in adults. PMID- 29206581 TI - New developments in acute anticoagulation therapy. AB - Preview Heparin has been in use for more than 40 years and is still an important agent for inhibiting plasma- and surface-bound thrombin. However, modifications have produced low-molecular-weight heparin, which has better bioavailability and perhaps other advantages over traditional heparin. Another direction of research in anticoagulation therapy has been toward new antithrombin- independent agents. Dr Carter describes the present status of studies on heparin and its derivatives, direct thrombin inhibitors, and ancrod, a component of snake venom. PMID- 29206582 TI - Bumps on the entrance ramp to the information highway. PMID- 29206583 TI - Noninvasive positive pressure ventilation. AB - Preview In most cases of acute respiratory failure, mechanical ventilation and endotracheal intubation are the preferred treatment. However, a noninvasive approach is proving valuable in selected patients and has some advantages over standard mechanical ventilation. How are patients selected for this therapy? What are its risks and benefits? The authors discuss the usefulness and potential role of this important new technique. PMID- 29206584 TI - Opportunistic fungal infections in patients with HIV disease. AB - Preview The increasing number of patients surviving with advanced HIV infection presents new challenges to physicians who care for them. As a patient's CD4+ T lymphocyte count declines, susceptibility to opportunistic fungal infections increases. In this article, Dr Kirchner discusses two commonly encountered pathogens, Cryptococcus neoformans and Histoplasma capsulatum. PMID- 29206585 TI - The Shifting Healthcare Marketplace. PMID- 29206586 TI - Relief of suffering. AB - Preview The relief of human suffering has been a sacred duty of physicians for thousands of years. Today's focus in medical education, however, is largely confined to the diagnosis and treatment of disease. Yet, without a true understanding and appreciation of the nature of human suffering, sophisticated interventions run the risk of increasing the distress they were meant to alleviate. By combining the art and science of medicine, physicians can often provide tremendous comfort and relief to patients. Dr O'Brien offers some useful suggestions for achieving this goal. PMID- 29206587 TI - Common disorders of pigmentation. AB - Preview A woman noticing a small patch of pale skin may comment, "My mother used to have the same thing." Or a father seeing a milky-brown lesion on his newborn may receive the explanation, "It'll go away on its own." Pigmentation imperfections are common. Usually they are benign and cause little distress. However, some disorders can be disfiguring and some flag possible systemic disease. Dr Hacker describes the presentation of a variety of disorders, provides illustrations of several, and summarizes therapeutic approaches to those that respond to treatment. PMID- 29206588 TI - The anti-phospholipid syndrome. AB - Preview Antiphospholipid antibodies may be found in a variety of clinical situations, including in the absence of systemic disease. Certainly, for cost effective healthcare, physicians should not spend resources evaluating otherwise healthy people. However, when features of the antiphospholipid syndrome (APS) are also present, serious venous or arterial thrombosis or recurrent spontaneous abortion may ensue. The authors present a practical overview of the antibodies and how to uncover and manage APS. PMID- 29206589 TI - Oral anticoagulant therapy. AB - Preview The overall prescription of oral anticoagulants has steadily increased as important randomized clinical trials have clarified various indications for therapy. However, a number of practical matters related to initiation, monitoring, dose adjustment, and management are less frequently addressed. Moreover, this information can be difficult to find, even in major textbooks. Rather than providing a comprehensive review of oral anticoagulants, this article emphasizes various practical aspects of therapy. PMID- 29206590 TI - Heparin therapy. AB - Preview Heparin is used worldwide to prevent arterial and venous thrombosis and to treat established thromboembolic disorders. It is also the mainstay of anticoagulation therapy for cardiopulmonary bypass and hemodialysis circuits. In this article, the authors examine the common indications for heparin therapy and describe the basic principles of heparin monitoring. Use of low-molecular-weight heparin is also briefly reviewed. PMID- 29206591 TI - Advances in anticoagulation. PMID- 29206592 TI - Dysthymic disorder. AB - Preview Dysthymic disorder, or dysthymia, is a mild to moderate depression that smolders for years despite brief moments of emotional reprieve in which the individual experiences a normal mood. These fleeting euthymic periods do not extend beyond a couple of months at a time. The up-and-down course is as potentially debilitating as that of major depression, yet dysthymia is surprisingly underdiagnosed. The authors review the diagnostic characteristics, comorbid conditions, and clinical approach to management of this insidious mood disorder. PMID- 29206593 TI - Glioma Grade Discrimination with MR Diffusion Kurtosis Imaging: A Meta-Analysis of Diagnostic Accuracy. AB - Purpose To assess the diagnostic test accuracy and sources of heterogeneity for the discriminative potential of diffusion kurtosis imaging (DKI) to differentiate low-grade glioma (LGG) (World Health Organization [WHO] grade II) from high-grade glioma (HGG) (WHO grade III or IV). Materials and Methods The Cochrane Library, Embase, Medline, and the Web of Science Core Collection were systematically searched by two librarians. Retrieved hits were screened for inclusion and were evaluated with the revised tool for quality assessment for diagnostic accuracy studies (commonly known as QUADAS-2) by two researchers. Statistical analysis comprised a random-effects model with associated heterogeneity analysis for mean differences in mean kurtosis (MK) in patients with LGG or HGG. A bivariate restricted maximum likelihood estimation method was used to describe the summary receiver operating characteristics curve and bivariate meta-regression. Results Ten studies involving 430 patients were included. The mean difference in MK between LGG and HGG was 0.17 (95% confidence interval [CI]: 0.11, 0.22) with a z score equal to 5.86 (P < .001). The statistical heterogeneity was explained by glioma subtype, echo time, and the proportion of recurrent glioma versus primary glioma. The pooled area under the curve was 0.94 for discrimination of HGG from LGG, with 0.85 (95% CI: 0.74, 0.92) sensitivity and 0.92 (95% CI: 0.81, 0.96) specificity. Heterogeneity was driven by neuropathologic subtype and DKI technique. Conclusion MK shows high diagnostic accuracy in the discrimination of LGG from HGG. (c) RSNA, 2017 Online supplemental material is available for this article. PMID- 29206594 TI - The Diagnostic Value of MR Imaging in Differentiating T Staging of Bladder Cancer: A Meta-Analysis. AB - Purpose To assess the diagnostic accuracy of magnetic resonance (MR) imaging for differentiating stage T1 or lower tumors from stage T2 or higher tumors and to analyze the influence of different imaging protocols in patients with bladder cancer. Materials and Methods A systematic literature search for original diagnostic studies was performed in PubMed, Medline, the Cochrane Library, and Web of Science. The methodologic quality of each study was evaluated by two independent reviewers who used the Quality Assessment of Diagnostic Accuracy Studies 2 tool. Data necessary to complete 2 * 2 tables were obtained, and patient, study, and imaging characteristics were extracted. Statistical analysis included data pooling, heterogeneity testing, sensitivity analyses, and forest plot construction. Results Seventeen studies (1449 patients with bladder cancer) could be analyzed. The pooled sensitivity and specificity of MR imaging were 0.90 (95% confidence interval [CI]: 0.83, 0.94) and 0.88 (95% CI: 0.77, 0.94), respectively, for differentiating tumors staged T1 or lower from those staged T2 or higher. Diffusion-weighted imaging and use of higher field strengths (3 T) improved sensitivity (0.92; 95% CI: 0.86, 0.96) and specificity (0.96; 95% CI: 0.93, 0.98). Conclusion This meta-analysis demonstrated high diagnostic performance of MR imaging for differentiating T1 or lower tumors from T2 or higher tumors in patients with bladder cancer. Higher field strength (3 T) and the use of diffusion-weighted imaging can slightly help improve sensitivity and specificity. (c) RSNA, 2017. PMID- 29206595 TI - Assessment of Response to Transcatheter Arterial Chemoembolization with Doxorubicin-eluting Microspheres: Tumor Biology and Hepatocellular Carcinoma Recurrence in a 5-year Transplant Cohort. AB - Purpose To assess response to transcatheter arterial chemoembolization (TACE) based on immune markers and tumor biology in patients with hepatocellular carcinoma (HCC) who were bridged to liver transplantation, and to produce an optimized pretransplantation model for posttransplantation recurrence risk. Materials and Methods In this institutional review board-approved HIPAA-compliant retrospective analysis, 93 consecutive patients (73 male, 20 female; mean age, 59.6 years; age range, 23-72 years) underwent TACE with doxorubicin-eluting microspheres (DEB) (hereafter, DEB-TACE) and subsequently underwent transplantation over a 5-year period from July 7, 2011, to May 16, 2016. DEB-TACE response was based on modified Response Evaluation Criteria in Solid Tumors. Imaging responses and posttransplantation recurrence were compared with demographics, liver function, basic immune markers, treatment dose, and tumor morphology. Treatment response and recurrence were analyzed with uni- and multivariate statistics, as well as internal validation and propensity score matching of factors known to affect recurrence to assess independent effects of DEB-TACE response on recurrence. Results Low-grade tumors (grade 0, 1, or 2) demonstrated a favorable long-term treatment response in 87% of patients (complete response, 49%; partial response, 38%; stable disease [SD] or local disease progression [DP], 13%) versus 33% of high-grade tumors (grade 3 or 4) (complete response, 0%; partial response, 33%; SD or DP, 67%) (P < .001). Of the 93 patients who underwent treatment, 82 were followed-up after transplantation (mean duration, 757 days). Recurrence occurred in seven (9%) patients (mean time after transplantation, 635 days). Poor response to DEB-TACE (SD or DP) was present in 86% of cases and accounted for 35% of all patients with SD or DP (P < .001). By using only variables routinely available prior to liver transplantation, a validated model of posttransplantation recurrence risk was produced with a concordance statistic of 0.83. The validated model shows sensitivity of 83.6%, specificity of 82.6%, and negative predictive value of 98.4%, which are pessimistic estimates. Conclusion Response to DEB-TACE is correlated with tumor biology and patients at risk for posttransplantation recurrence, and it may be associated with HCC recurrence after liver transplantation. (c) RSNA, 2017 Online supplemental material is available for this article. PMID- 29206596 TI - Value of a Computer-aided Detection System Based on Chest Tomosynthesis Imaging for the Detection of Pulmonary Nodules. AB - Purpose To assess the value of a computer-aided detection (CAD) system for the detection of pulmonary nodules on chest tomosynthesis images. Materials and Methods Fifty patients with and 50 without pulmonary nodules underwent both chest tomosynthesis and multidetector computed tomography (CT) on the same day. Fifteen observers (five interns and residents, five chest radiologists, and five abdominal radiologists) independently evaluated tomosynthesis images of 100 patients for the presence of pulmonary nodules in a blinded and randomized manner, first without CAD, then with the inclusion of CAD marks. Multidetector CT images served as the reference standard. Free-response receiver operating characteristic analysis was used for the statistical analysis. Results The pooled diagnostic performance of 15 observers was significantly better with CAD than without CAD (figure of merit [FOM], 0.74 vs 0.71, respectively; P = .02). The average true-positive fraction and false-positive rate per all cases with CAD were 0.56 and 0.26, respectively, whereas those without CAD were 0.47 and 0.20, respectively. Subanalysis showed that the diagnostic performance of interns and residents was significantly better with CAD than without CAD (FOM, 0.70 vs 0.62, respectively; P = .001), whereas for chest radiologists and abdominal radiologists, the FOM with CAD values were greater but not significantly: 0.80 versus 0.78 (P = .38) and 0.74 versus 0.73 (P = .65), respectively. Conclusion CAD significantly improved diagnostic performance in the detection of pulmonary nodules on chest tomosynthesis images for interns and residents, but provided minimal benefit for chest radiologists and abdominal radiologists. (c) RSNA, 2017 Online supplemental material is available for this article. PMID- 29206597 TI - Quantitative Proteomic Analysis of the Hippocampus of Rats with GCR-Induced Spatial Memory Impairment. AB - NASA is planning future missions to Mars, which will result in astronauts being exposed to ~13 cGy/year of galactic cosmic radiation (GCR). Previous ground-based experiments have demonstrated that low (15 cGy) doses of 1 GeV/n 56Fe ions impair hippocampus-dependent spatial memory in rats. However, some irradiated rats maintain a spatial memory performance comparable to that seen in the sham irradiated rats, suggesting that some of these animals are able to ameliorate the deleterious effects of the GCR, while others are not. This rat model provides a unique opportunity to increase our understanding of how GCR affects neurophysiology, what adaptive responses can be invoked to prevent the emergence of GCR-induced spatial memory impairment, as well as the pathways that are altered when spatial memory impairment occurs. A label-free, unbiased proteomic profiling approach involving quantitative protein/peptide profiling followed by Cytoscape analysis has established the composition of the hippocampal proteome in male Wistar rats after exposure to 15 cGy of 1 GeV/n 56Fe, and identified proteins whose expression is altered with respect to: 1. radiation exposure and 2. impaired spatial memory performance. We identified 30 proteins that were classified as "GCR exposure marker" (GEM) proteins (expressed solely or at higher levels in the irradiated rats but not related to spatial memory performance), most notably CD98, Cadps and GMFB. Conversely, there were 252 proteins that were detected only in the sham-irradiated samples, i.e., they were not detected in either of the irradiated cohorts; of these 10% have well-documented roles in neurotransmission. The second aspect of our data mining was to identify proteins whose expression was associated with either impaired or functional spatial memory. While there are multiple changes in the hippocampal proteome in the irradiated rats that have impaired spatial memory performance, with 203 proteins being detected (or upregulated) only in these rats, it would appear that spatial memory impairment may also arise from an inability of these rats to express "good spatial memory" (GSM) proteins, many of which play an important role in neuronal homeostasis and function, axonogenesis, presynaptic membrane organization and G protein coupled receptor (GCPR) signaling. It may be possible to use this knowledge to develop two alternative countermeasure strategies, one that preserves critical pathways prophylactically and one that invokes restorative pathways after GCR exposure. PMID- 29206600 TI - The changes before 'the change'. AB - Preview The effects of waning ovarian function start before menstruation stops, and they can be medically important. What changes should women expect, and what preventive health measures can they take? When is oral contraceptive therapy appropriate? How can irregular bleeding and decreased vaginal lubrication best be treated? Dr Bachmann addresses these and other questions in this discussion of appropriate healthcare for women in transition to the menopause. PMID- 29206599 TI - FTIR Microspectroscopy Probes Particle-Radiation Effect on HCT116 cells (p53+/+, p53-/-). AB - p53 is a crucial tumor suppressor and plays an important role in cell cycle arrest, DNA damage repair, promotion of cell senescence and apoptosis, prevention of DNA damage and maintaining genomic stability and integrity. It has been reported that p53 might also be related to radiation sensitivity, for which the involved effects and processes could be further examined biochemically at the molecular level. In this study, we explored a new spectroscopic approach to probe the radiation-induced biological effects related to p53. Infrared microspectroscopy was used to detect the metabolic changes related to p53 under particle radiation. After alpha-particle irradiation of HCT116 cells (p53+/+, p53 /-), cell cycle arrest, DNA damage and lipid peroxidation in the cancer cells were observed using Fourier-transform infrared (FTIR) spectroscopy and microspectroscopy imaging. A remarkable difference in radiosensitivity between the two genotypes of cells was observed as well. This work provides a biochemical analysis of the p53-related radiation effects in cells and demonstrates the potential usefulness of FTIR microspectroscopy in the field of radiation research. PMID- 29206598 TI - Is there Unmeasured Indication Bias in Radiation-Related Cancer Risk Estimates from Studies of Computed Tomography? AB - Recently reported studies have associated radiation exposure from computed tomography (CT) scanning with small excess cancer risks. However, since existing medical records were used in these studies, they could not control for reasons for the CT scans and therefore, the results may have been confounded by indication. Here we conducted a study to estimate potential indication bias that could affect hazard ratios for colorectal, lung and female breast cancers by reasons for a CT scan. This involved a retrospective cohort study of electronic records from all patients aged 18-89 years without previous cancer diagnoses, who received at least one CT scan at Columbia University Medical Center in the period of 1994-2014. This investigation is not a study of CT-related cancer risks with adjustment for reasons, but an evaluation of the potential for confounding by indication in such studies. Among 75,968 patients, 212,487 CT scans were analyzed during a mean follow-up of 7.6 years. For colorectal and female breast cancers, no hazard ratio bias estimates for any of the CT reasons reached statistical significance. For lung cancer, significant biases occurred only in patients with unknown CT reasons and in patients with CTs for "abnormal findings" and in those with CTs for cancer- or nodule-related reasons. This retrospective cohort study among adults with >=1 CT scan evaluates, for the first time, CT reason-specific indication biases of potential CT-related cancer risks. Overall, our data suggest that, in studies of adults who underwent CT scans, indication bias is likely to be of negligible importance for colorectal cancer and female breast cancer risk estimation; for lung cancer, indication bias is possible but would likely be associated with only a small modulation of the risk estimate. Radiat. Res. PMID- 29206601 TI - Rheumatoid arthritis. AB - Preview The physical effects of rheumatoid arthritis go beyond joint pain and destruction. The disease may take a toll on numerous organ systems and has been shown to increase morbidity and mortality. How does it affect the lungs? The heart? The nervous system? In this article, Dr Bell answers these and other questions about the extra-articular manifestations of rheumatoid arthritis. PMID- 29206602 TI - Evaluation of involuntary weight loss. AB - Preview When a patient presents with involuntary weight loss, the etiologic considerations can be overwhelming. To plan a cost- effective workup, physicians need to be aware of the most common causes of weight loss and the tests that yield the most pertinent data. Drs Wise and Craig review the clinical studies on unintentional weight loss and suggest an initial approach to management. PMID- 29206603 TI - Acute, disruptive cough. AB - Preview Acute, disruptive cough is the second most common reason for which office visits are made and prescriptions written. But even when specific therapy is prescribed, a disruptive nonproductive cough may become nagging and prompt a patient to seek help again. The authors discuss the mechanism and causes of cough and describe symptomatic therapies in terms of their proposed mechanisms and indications. PMID- 29206605 TI - A Dictionary of Medical Puns. PMID- 29206604 TI - Radiographic evaluation of cervical spine trauma. AB - Preview A patient with a suspected cervical spine injury must be handled with the utmost care until fractures and other causes of instability have been excluded. In this article, the authors describe essential imaging techniques and discuss the evaluation of common- and some uncommon- injuries. PMID- 29206606 TI - Tuberculin skin testing. AB - Preview The incidence of tuberculosis in the United States is escalating at an alarming rate. Thus, it is imperative to detect the infection early so that chemoprophylaxis can be given before active disease has a chance to develop. The tuberculin skin test is simple, cheap, and effective and should be an integral part of evaluating not only high-risk groups but also the population at large. Dr Amin describes how to administer the test and interpret its results. PMID- 29206607 TI - Massive blood loss in trauma patients. AB - Preview An injured and bleeding patient who is pale, confused, hypotensive, and anuric is an obvious candidate for transfusion to counteract hemorrhagic shock. However, not all patients with shock have such classic signs, at least not until hemodynamic compromise becomes severe. The authors summarize the basic principles of patient evaluation and care in emergency situations. They also describe some adverse consequences of massive transfusions and present tips on how to avoid or minimize them. PMID- 29206608 TI - Thrombolytic therapy for acute myocardial infarction. AB - Preview There is little question that reperfusion therapy with thrombolytic agents benefits patients who meet the current eligibility requirements and receive therapy shortly after acute myocardial infarction. Less clear is whether this therapy would benefit and be safe for use in patients who are now deemed ineligible to receive it. The authors compare the three available intravenous thrombolytic agents, summarize the risks and benefits associated with thrombolyic therapy in various situations, and make recommendations based on their experience. PMID- 29206609 TI - Empathy and humanitarianism predict preferential moral responsiveness to in groups and out-groups. AB - The current research tests whether empathy-sharing others' emotions-and humanitarianism-recognizing the moral worth of all people-each predict moral responsiveness toward others but in ways that favor in-groups and out-groups, respectively. In Studies 1 and 2, empathy and humanitarianism differentially predicted preferential moral concern for in-groups and out-groups. In Study 3, humanitarianism predicted lower in-group-targeted prosociality and greater out group prosociality. In Study 4, empathy and humanitarianism predicted perceived moral obligation to in-groups and out-groups respectively. In Study 5, out-group obligation mediated between humanitarianism and allocations to out-group charities, and in-group obligation mediated between empathy and one of two in group charities. In sum, empathy and humanitarianism are associated with preferential morality via group-based obligation, suggesting that morality could be extended by altering empathy, humanitarianism, or group processes. PMID- 29206610 TI - Systolic hypertension in the elderly. AB - Preview Just when it appeared that diuretics were becoming obsolete in the attack against hypertension, they have come charging back to the fore. This is especially true in treatment of systolic hypertension in the elderly. The perspective on diuretics and their recommendations for administration have changed recently because of the results reported from several important clinical trials. This article reviews these findings and summarizes treatment implications. PMID- 29206611 TI - Right upper quadrant abdominal pain. AB - Preview Pain in the right upper quadrant of the abdomen can masquerade as a remarkable number of conditions. The gallbladder may be the cause, or other organ systems may be involved, including the lung, liver, pancreas, esophagus, stomach, or muscles of the thorax. When gallstones have been ruled out by ultrasonography, there are thus still a sobering number of possibilities, including, paradoxically, gallstones. Drs Rathgaber and Rex describe the differential diagnosis of this pain with clarity and common sense. PMID- 29206612 TI - Popliteal artery aneurysm. AB - Preview Symptoms of popliteal artery aneurysm may be nonexistent or transient, and a missed diagnosis can result in ischemic complications and limb amputation. In this article, Dr Seddon describes a case in which a patient presenting with "blue toes" was initially thought to have either a drug reaction or vasculitis. Dr Seddon also discusses important points in the evaluation and treatment of popliteal artery aneurysm. PMID- 29206613 TI - Modern coronary rehabilitation. AB - Preview The approach to rehabilitative care of coronary patients has changed dramatically in recent years. Emphasis has shifted from highly structured, formal programs to individualized regimens. Why have these changes come about? What are the current recommendations for exercise training? Can new technologies improve education and counseling of coronary patients? Dr Wenger, an advocate of the evolving patterns of coronary rehabilitative care, answers these and other questions and explains the advantages of the new approaches. PMID- 29206614 TI - Gonorrhea. AB - Preview Despite a recent decline in total cases, gonorrhea is on the rise in the adolescent population, particularly in black teenagers. Increases in sexual activity, drug abuse, and gonococcal resistance to antibiotics have contributed to the changing epidemiology of the disease. Dr Hawley explains how prevention and detection of gonorrhea can be improved and describes new, single-dose treatment with oral antibiotics. PMID- 29206615 TI - Chronic obstructive pulmonary disease. AB - Preview Because the dyspnea accompanying chronic obstructive pulmonary disease (COPD) is frightening, patients often become anxious and even fear death. As a result, they may retreat into a sedentary life-style and not seek medical care until much of their pulmonary function is lost. In this article, Dr Saroea discusses the therapeutic challenge that patients with COPD present and examines the major goals of management. PMID- 29206616 TI - Acute gouty arthritis. AB - Preview Gout is a painful and sometimes disabling form of arthritis that is easily managed if appropriate guidelines are observed. The main goals of management are termination of the acute attack and prevention of future attacks and complications. In this article, the authors review the important principles in diagnosis and treatment of this common disorder. PMID- 29206617 TI - Invasion of the 'killer' bees. AB - Preview How did Africanized honeybees get the reputation of being killers when their venom is no more potent than that of common European honeybees and they have less of it? Their highly defensive nature and their habit of attacking in great numbers probably account for the reports of alarming encounters between humans or animals and swarms of these bees. The authors discuss the bees' migration into the United States and summarize how to avoid and treat stings. PMID- 29206618 TI - Entrapment neuropathies. AB - Preview Entrapment neuropathies are common disorders that are often misdiagnosed. Accurate identification is important because the outlook for patients is good if appropriate treatment is initiated early. Drs Parachuri and Adams tell how to differentiate nerve entrapment from the neurologic, vascular, and articular diseases that it can resemble, and they discuss the diagnosis and treatment of nine common entrapment neuropathies. PMID- 29206619 TI - The antinuclear antibody test. AB - Preview The great majority of patients with systemic lupus erythematosus have positive antinuclear antibody (ANA) test results. However, other rheumatic and nonrheumatic diseases, certain drugs, infections, and pregnancy can also cause positive results. Thus, a negative ANA test is sometimes more helpful than a positive one when evaluating patients who do not clearly meet diagnostic criteria for rheumatic disease. The authors summarize appropriate use of the ANA test and how to interpret results. PMID- 29206620 TI - When Doctors Get Sick. PMID- 29206622 TI - Letter from the editor. PMID- 29206621 TI - Human Vaccines & Immunotherapeutics: News. PMID- 29206623 TI - Group identity and positive deviance in work groups. AB - This study examines why and how identity cognitions, including group identification and individual differentiation, influence the positive deviance of employees. We identify the risk-taking intention of employees as a critical psychological mechanism to overcome stigma-induced identity threat of positive deviance. The analysis of data collected from 293 members comprising 66 work teams reveals that the relationship between individual differentiation and positive deviance is partially mediated by risk-taking intention. The indirect effect of group identification on positive deviance through risk-taking intention is also significant and positive in groups with low conformity pressure, whereas the same indirect effect is neutralized in groups with high conformity pressure. The current analysis offers new insights into the way the group context and the identity cognition of members explain the development of positive deviance and workplace creativity. PMID- 29206624 TI - Use of Highways in the Sky and a virtual pad for landing Head Up Display symbology to enable improved helicopter pilots situation awareness and workload in degraded visual conditions. AB - Flight within degraded visual conditions is a great challenge to pilots of rotary wing craft. Environmental cues typically used to guide interpretation of speed, location and approach can become obscured, forcing the pilots to rely on data available from in-cockpit instrumentation. To ease the task of flight during degraded visual conditions, pilots require easy access to flight critical information. The current study examined the effect of 'Highways in the Sky' symbology and a conformal virtual pad for landing presented using a Head Up Display (HUD) on pilots' workload and situation awareness for both clear and degraded conditions across a series of simulated rotary-wing approach and landings. Results suggest that access to the HUD lead to significant improvements to pilots' situation awareness, especially within degraded visual conditions. Importantly, access to the HUD facilitated pilot awareness in all conditions. Results are discussed in terms of future HUD development. Practitioner Summary: This paper explores the use of a novel Heads Up Display, to facilitate rotary wing pilots' situation awareness and workload for simulated flights in both clear and degraded visual conditions. Results suggest that access to HUD facilitated pilots' situation awareness, especially when flying in degraded conditions. PMID- 29206625 TI - Effect of miR-204&211 and RUNX2 control on the fate of human mesenchymal stromal cells. AB - MiR-204 and 211 enforced expression in murine mesenchymal stromal cells (MSCs) has been shown to induce adipogenesis and impair osteogenesis, through RUNX2 down modulation. This mechanism has been suggested to play a role in osteoporosis associated with obesity. However, two further fundamental MSC functions, chondrogenesis and hematopoietic supporting activity, have not yet been explored. To this end, we transduced, by a lenti-viral vector, miR-204 and 211 in a model primary human MSC line, opportunely chosen among our MSC collection for displaying all properties of canonical bone marrow MSCs, except adipogenesis. Enforced expression of miR-204&211 in these cells, rescued adipogenesis, and inhibited osteogenesis, as previously reported in murine MSCs, but, surprisingly, also damaged cartilage formation and hematopoietic supporting activity, which were never explored before. RUNX2 has been previously indicated as the target of miR-204&211, whose down modulation is responsible for the switch from osteogenesis to adipogenesis. However, the additional disruption of chondrogenesis and hematopoietic supporting activity, which we report here, might depend on diverse miR-204&211 targets. To investigate this hypothesis, permanent RUNX2 knock-down was performed. Sh-RUNX2 fully reproduced the phenotypes induced by miR-204&211, confirming that RUNX2 down modulation is the major event leading to the reported functional modification on our MSCs. It seems thus apparent that RUNX2, a recognized master gene for osteogenesis, might rule all four MSC commitment and differentiation processes. Hence, the formerly reported role of miR204&211 and RUNX2 in osteoporosis and obesity, coupled with our novel observation showing inhibition of cartilage differentiation and hematopoietic support, strikingly resemble the clinical traits of metabolic syndrome, where osteoarthritis, osteoporosis, anaemia and obesity occur together. Our observations, corroborating and extending previous observations, suggest that miR 204&211-RUNX2 axis in human MSCs is possibly involved in the pathogenesis of this rapidly growing disease in industrialized countries, for possible therapeutic intervention to regenerate former homeostasis. PMID- 29206626 TI - Intensive smoking diminishes the differences in quality of life and exacerbation frequency between the alpha-1-antitrypsin deficiency genotypes PiZZ and PiSZ. AB - BACKGROUND: Alpha-1-antitrypsin deficiency (AATD) is a rare genetic disorder that is associated with low levels of circulating alpha-1-antitrypsin in serum. In comparison to the genotype PiZZ, PiSZ usually leads to lower risk of emphysema, better lung function and better survival. The aim of this study was to analyze the relationship between cigarette smoking (packyears) and the AATD genotypes (PiZZ and PiSZ) concerning quality of life (SGRQ), transfer factor of the lung for carbon monoxide (TLCO), forced expiratory volume in one second (FEV1) and exacerbation rate. METHODS: We compared PiZZ and PiSZ individuals from the German registry for individuals with AATD (AATDR) in univariate analysis and multivariate linear regression models. All subjects were stratified into three groups according to their cumulative nicotine consumption (0 py; 0 < py < 30; ?30 py). RESULTS: 868 PiZZ individuals (mean age 52.6 +/- 12.8 years (43.5% female)) and 114 PiSZ individuals (mean age 50.3 +/- 17.4 years (46.5% female)) were compared. In contrast to never- and intensive (ex-) smokers, moderate (ex-) smoking PiSZ individuals had a significantly better SGRQ total score (B = ?8.148; p = 0.020) and less exacerbations (B = ?0.354; p = 0.037) than individuals with PiZZ in multivariate analysis. CONCLUSIONS: The differences in quality of life and exacerbation frequency between PiZZ and PiSZ individuals diminish by intensive (ex-) smoking. PMID- 29206627 TI - Promoting physical activity in COPD: Insights from a randomized trial of a web based intervention and pedometer use. AB - RATIONALE: Low physical activity is highly prevalent among COPD patients and is associated with increased healthcare utilization and mortality and reduced HRQL. The addition of a website to pedometer use is effective at increasing physical activity; however, the timeline of change and impact of environmental factors on efficacy is unknown. METHODS: U.S. Veterans with COPD were randomized (1:1) to receive either (1) a pedometer and website which provided goal-setting, feedback, disease-specific education, and an online community forum or (2) pedometer alone for 3 months. Primary outcome was change in daily step count. Secondary outcomes included 6MWT distance, HRQL, dyspnea, depression, COPD knowledge, exercise self efficacy, social support, motivation, and confidence to exercise. Generalized linear mixed-effects models evaluated the effect of the pedometer plus website compared to pedometer alone. RESULTS: Data from 109 subjects (98.5% male, mean age 68.6 +/- 8.3 years) were analyzed. At 13 weeks, subjects in the pedometer plus website group had significant increases daily step count from baseline relative to the pedometer alone group (804 +/- 356.5 steps per day, p = 0.02). The pedometer plus website group had significant improvements in daily step count from baseline beginning in week 3 which were sustained until week 13. In subgroup analyses, the pedometer plus website attenuated declines in daily step count during the transition from summer to fall. No significant differences in secondary outcomes were noted between groups. CONCLUSIONS: A website added to pedometer use improves daily step counts, sustains walking over 3 months, and attenuates declines in physical activity due to season. PMID- 29206628 TI - Implementation gaps for asthma prevention and control. AB - Asthma and allergic diseases can start in childhood and persist throughout life, but could also be manifested later, at any time for still misunderstood reasons. They are major chronic multifactorial respiratory diseases, for which prevention, early diagnosis and treatment is recognized as a priority for the Europe's public health policy and the United Nations. Given that allergy triggers (including infections, rapid urbanization leading to loss in biodiversity, pollution and climate changes) are not expected to change in a foreseeable future, it is imperative that steps are taken to develop, strengthen and optimize preventive and treatment strategies. Currently there are good treatments for asthma, several risk factors are known (e.g., allergies, rhinitis, tobacco smoke) and tools to control the disease have been developed. However, we are still uncertain how to prevent patients from developing asthma and allergic diseases. In this paper, we list the positive and negative experiences in this field as well as analyze the missing links in the process. This critical analysis will be the basis of setting up an effective program for prevention and making, a process labeled as "implementation gaps". PMID- 29206629 TI - Biological effects of p38 MAPK inhibitor losmapimod does not translate to clinical benefits in COPD. AB - RATIONALE: p38 mitogen-activated protein kinase (MAPK) expression is increased in chronic inflammatory disease. Losmapimod, a p38 MAPK inhibitor, has been developed as a potential anti-inflammatory therapy in COPD. OBJECTIVES: To evaluate the effect of losmapimod in reducing exacerbations in subjects with moderate-to-severe COPD. METHODS: In this double-blind, parallel-group study, subjects at risk of COPD exacerbations and ?2% blood eosinophils at screening, were randomized 1:1 to losmapimod 15 mg or placebo (variable treatment duration: 26-52 weeks). The primary endpoint was the annualized rate of moderate/severe exacerbations. Using a Bayesian framework, treatment success was defined as >90% posterior probability that the true ratio of the losmapimod/placebo exacerbation rate was <1. Lung function and health status (St George's Respiratory Questionnaire (SGRQ)) were also assessed. RESULTS: A planned interim analysis resulted in early study termination due to the low probability of a successful study outcome; a total of 94 subjects were randomized to placebo and 90 to losmapimod 15 mg, and 14 and 10 subjects respectively completed the study. Losmapimod treatment was not associated with an improvement in the adjusted posterior median annualized exacerbation rate (losmapimod/placebo ratio: 1.04 (95% Cr I: 0.63, 1.73)). The posterior probability for the losmapimod/placebo annualized rate ratio being <1 was 0.44 (success criterion: >0.90). A statistically significant improvement in post-bronchodilator forced expiratory volume in 1 s was seen at Week 26, at the 5% significance level, with losmapimod treatment versus placebo (p = 0.007). Changes from baseline in SGRQ total score were similar in both groups. No new risks or safety signals were identified with losmapimod treatment. CONCLUSIONS: Losmapimod treatment did not reduce the rate of exacerbations in, subjects with COPD at high risk of exacerbation and ?2% blood eosinophils. These data do not support its use as a therapy in COPD in addition to standard of care. PMID- 29206630 TI - Does untreated obstructive sleep apnea cause secondary erythrocytosis? AB - BACKGROUND: The current literature suggests a relationship between obstructive sleep apnea (OSA) severity and hematocrit. However, the degree that OSA contributes to clinically significant erythrocytosis is uncertain. The aim of this study is to evaluate this association in a large study sample controlling for multiple confounders. METHODS: We evaluated consecutive subjects with suspected untreated OSA using multivariate analysis to test the associations between apnea-hypopnea index (AHI) and hematocrit. Subjects were evaluated with sleep studies, comprehensive sleep questionnaires, and detailed electronic medical record reviews to document their medical comorbidities, and demographic and laboratory information. RESULTS: 1604 consecutive veterans (age 57.6 +/- 13.4 years, 92% male) were included in the analysis with 77.4% diagnosed with OSA. However, few included subjects (1.6%) had clinical erythrocytosis. OSA severity defined by AHI was not associated with hematocrit or clinically significant erythrocytosis. Rather, awake oxygen saturation (-0.17 points, p < 0.001) and mean nocturnal oxygen saturation (-0.08 points, p = 0.04) were inversely proportional to hematocrit (per standardized Z-score). Other factors including active tobacco, increased alcohol ingestion and exogenous testosterone therapy were associated with higher hematocrit. Although AHI was not predictive of erythrocytosis, having severe OSA was predictive of nocturnal hypoxemia (adjusted OR 7.4, p < 0.001). CONCLUSIONS: Hematocrit levels and presence of erythrocytosis appear not associated with OSA severity, but rather with hypoxemia as measured by awake and to a lesser extent mean nocturnal oxygen saturation. Nocturnal oximetry may provide diagnostic utility in the evaluation of unexplained secondary polycythemia and polysomongraphy may be warranted in those with unexplained nocturnal hypoxemia and erythrocytosis. PMID- 29206631 TI - Extrafine compared to non-extrafine particle inhaled corticosteroids in smokers and ex-smokers with asthma. AB - BACKGROUND: Smoking is as prevalent in asthmatics as in the general population. Asthmatic smokers benefit less from inhaled corticosteroids (ICS) than non smoking asthmatics, possibly due to more smoking-induced small airways disease. Thus targeting small airways may be important in treating asthmatic (ex-)smokers. We hypothesized that extrafine particle ICS improve small airways function more than non-extrafine particle ICS in asthmatic (ex-)smokers. METHODS: We performed an open-label, randomized, three-way cross-over study comparing extrafine beclomethasone (HFA-QVAR) to non-extrafine beclomethasone (HFA-Clenil) and fluticasone (HFA-Flixotide) in 22 smokers and 21 ex-smokers with asthma (?5 packyears). RESULTS: Improvement from baseline in PD20 adenosine after using QVAR, Clenil or Flixotide was 1.04 +/- 1.71, 1.09 +/- 2.12 and 0.94 +/- 1.97 doubling doses, mean +/- standard deviation (SD), respectively. The change from baseline in R5-R20 at PD20 adenosine after using QVAR, Clenil or Flixotide was ?0.02 +/- 0.27, 0.02 +/- 0.21, and ?0.02 +/- 0.31 kPa sL?1, mean +/- SD, respectively. The change in PD20 adenosine and R5-R20 at PD20 adenosine were neither statistically significant different between QVAR and Clenil (p = 0.86 and p = 0.82) nor between QVAR and Flixotide (p = 0.50 and p = 0.96). CONCLUSION: Similar effectiveness in improving small airways function was found for extrafine and non-extrafine particle ICS treatment for asthmatic smokers and ex-smokers. PMID- 29206632 TI - Unclassifiable-interstitial lung disease: Outcome prediction using CT and functional indices. AB - BACKGROUND: Unclassifiable-interstitial lung disease (uILD) represents a heterogeneous collection of pathologies encompassing those fibrosing lung diseases which do not fulfill current diagnostic criteria. We evaluated baseline and longitudinal functional and CT (visual and quantitative computer [CALIPER] analysis) variables to identify outcome predictors in uILD. METHODS: Consecutive patients with uILD on multidisciplinary review (n = 95) had baseline functional (FVC, DLco, CPI [composite physiologic index]) and CT features (visual evaluation: CT pattern, fibrosis extent, honeycombing presence, traction bronchiectasis severity, pulmonary artery (PA) diameter; CALIPER evaluation: fibrosis extent, pulmonary vessel volume (PVV)) examined in univariate and multivariate Cox regression models. Change in functional and CT variables were examined in a patient subset (n = 37), to identify indicators of outcome. RESULTS: On univariate analysis, CPI was the most powerful functional predictor of mortality (p < 0.0001). Visual traction bronchiectasis (p < 0.0001), PA diameter (p < 0.0001) and honeycombing presence (p = 0.0001) and CALIPER PVV (p = 0.0003) were the strongest CT outcome predictors. On multivariate analysis of baseline indices, traction bronchiectasis (p = 0.003), PA diameter (p = 0.003) and CPI (p = 0.0001) independently predicted mortality. Colinearity with functional indices precluded the evaluation of CALIPER PVV in multivariate models. On evaluation of longitudinal variables, increasing CALIPER fibrosis extent was the strongest outcome predictor, and remained so following adjustment for baseline disease severity, and when FVC declines were marginal. CONCLUSIONS: In uILD patients, CPI, traction bronchiectasis severity and PA diameter independently predicted outcome at baseline. Increasing fibrosis extent measured by CALIPER was the most powerful index of outcome regardless of baseline disease severity and strongly predicted outcome in patients with marginal FVC declines. PMID- 29206633 TI - Exploration of the MUC5B promoter variant and ILD risk in patients with autoimmune myositis. AB - Interstitial lung disease (ILD) is common in patients with autoimmune myositis but factors that determine susceptibility are unknown. Familial and sporadic idiopathic pulmonary fibrosis (IPF) are strongly associated with a single nucleotide polymorphism in the promoter region of MUC5B (rs35705950). We sought to determine the relationship between MUC5B polymorphism expression and myositis ILD. The MUC5B minor allele frequency (MAF) was examined in 402 European American participants; 60 with idiopathic interstitial pneumonia (IIP), 208 with myositis ILD, and 134 unaffected controls. The MUC5B minor allele frequency was 26%, 8%, and 7% in those with non-myositis ILD, myositis-ILD, and unaffected controls, respectively. The MUC5B variant was associated with IIP (OR 4.10; p < 0.001). The MUC5B polymorphism was not significantly associated with myositis-ILD (OR 1.08; p = 0.80)]. We found MUC5B MAFs in our IIP cohort similar to published frequencies for subjects with familial and sporadic IPF. Overall, the MUC5B promoter variant does not appear to contribute to ILD risk in myositis patients. PMID- 29206634 TI - Long-term "real-life" safety of omalizumab in patients with severe uncontrolled asthma: A nine-year study. AB - BACKGROUND: Randomized Controlled Trials showed that omalizumab exhibited a good safety and tolerability profile in patients with moderate-to-severe asthma. However, safety data of long-term treatment with omalizumab are scarce. Our aim was to assess the safety of omalizumab in patients under long-term treatment in a real-life setting. METHODS: Difficult-to-control asthmatic patients treated with omalizumab up to 9 years were retrospectively evaluated. Mild to severe adverse events any and reasons for discontinuation were recorded. RESULTS: Ninety-one patients (26.4% males, mean age 49.9 +/- 14.9 years) were included: mean treatment length, 3.8 +/- 2.6 years; mean individual monthly dose, 514.5 +/- 345.7 mg (range, 150-1200 mg). A total of 10,472 single injections were given cumulatively to the 91 patients (115 single injections per patients, on average, over a treatment period up to 9 years). Fifty-nine patients (64.8%) were treated for a period of time from 3 to 9 years, 14 of whom from 6 to 9 years. A high proportion of patients who discontinued treatment dropped out within the first year (18, 39.1%), mainly for reasons unrelated to treatment. Six patients (6.6%) discontinued omalizumab for treatment-related adverse events: arthralgia/myalgia (3 patients); urticaria, angioedema (1 patients); metrorrhagia (1 patient); relapsing herpes labialis (1 patient). Four other patients complained of mild adverse events (rhinitis/conjunctivitis, injection site reaction, fatigue, thrombosis) but continued the treatment. Anaphylaxis was not reported. CONCLUSIONS: Long-term treatment with omalizumab appears remarkably safe and well tolerated in real-life setting. Prolonged omalizumab treatment for many consecutive years did not increase the risk of side effects, particularly anaphylaxis. PMID- 29206635 TI - Domestic solid fuel combustion in an adult population in Nigeria: A cross sectional analysis of association with respiratory symptoms, quality of life and lung function. AB - BACKGROUND AND OBJECTIVES: We examined the association of respiratory symptoms, health status, and lung function with the use of solid fuel (wood, charcoal, coal or crop residue) for cooking or heating in a predominantly non-smoking population. METHODS: Using the protocol of the Burden of Obstructive Lung Diseases (BOLD) initiative, we collected representative population data using questionnaires and spirometry tests. We categorized solid fuel use into 'never user', 'ex user' and 'current user' based on responses to the survey. We developed regression models to evaluate the relation between use of solid fuel and the prevalence of respiratory symptoms, quality of life and lung function adjusting for confounding variables. RESULTS: Out of 1147 respondents with complete information on domestic fuel type, 33% were 'never-users', 19% were 'ex users' while 48% reported current use of solid fuel for domestic cooking and/or indoor heating. Compared with never-users, current solid fuel users were more likely to report cough (OR: 1.7, 95% CI: 1.0, 2.9), cough or phlegm (OR: 1.6, 95% CI: 1.0, 2.5) and the association was stronger among women (OR: 3.0, 95% CI: 1.3, 7.1 and OR: 2.3, 95% CI: 1.1, 5.2, respectively). Current solid fuel users also had lower mental health status (coefficient: ?1.5, 95% CI: ?2.8, - 0.2) compared with the group of never-users. Current or previous domestic use of solid fuels for cooking or heating was not associated with higher prevalence of chronic airflow obstruction (FEV1/FVC < LLN). CONCLUSIONS: Using solid fuel for domestic cooking or heating was associated with a higher risk of cough or phlegm and a lower mental quality of life. However we found no significant effect in the prevalence of chronic airflow obstruction in Ife, Nigeria. PMID- 29206636 TI - Long-term effect of weight loss induced by bariatric surgery on asthma control and health related quality of life in asthmatic patients with severe obesity: A pilot study. AB - BACKGROUND: The weight loss induced by bariatric surgery (BS) improves asthma clinical control evaluated usually after a short time. The long-term effects of weight loss attained by BS on asthma control and health related-quality of life (HRQoL) in patients affected by asthma and obesity are not known. OBJECTIVE: To investigate the five-year effect of weight reduction induced by BS on asthma control, quality of life and pulmonary functional parameters in severely obese intermittent or mild-to-moderate asthmatic patients. METHODS: Twenty-six consecutive severe obese subjects with previous diagnosis of asthma with indication for laparoscopic adjustable gastric banding (LAGB) were enrolled into the study. Fifteen of them agreed to undertake the surgery (treatment group, TG) while the remaining eleven non-operated patients represented the control group (CG). Body mass index (BMI), Asthma Control Test (ACT), Mini Asthma Quality of Life Questionnaire (mini-AQLQ) and spirometric parameters were evaluated at baseline and after one and five years from surgery. RESULTS: Mean BMI of TG significantly decreased at one and five years after the surgery, while it remained unchanged in CG. After surgery, both the overall ACT and the mini-AQLQ score significantly improved in TG after one year, persisting improved after 5 years (p < 0.001), while these outcomes remained unchanged in CG. As compared with the pre-surgery values, the percentage of predicted FEV1 and FVC significantly increased at five-year follow-up from surgery in TG, while it remained unchanged in CG. CONCLUSIONS: In severe obese asthmatic patients, the significant improvement of asthma control test and HRQoL, observed one year after LAGB, persists five years after surgery. PMID- 29206637 TI - Effects of inhaled corticosteroids /long-acting agonists in a single inhaler versus inhaled corticosteroids alone on all-cause mortality, pneumonia, and fracture in chronic obstructive pulmonary disease: A nationwide cohort study 2002 2013. AB - BACKGROUND: Both inhaled corticosteroids (ICS) and long-acting ?-agonists (LABA) have been recommended for the treatment of severe/moderate chronic obstructive pulmonary disease (COPD), but mild COPD has not been frequently studied. METHODS: We performed a prospective cohort study to compare the effect of inhaled corticosteroid (ICS) and ICS/long-acting ?-agonist (LABA) in a single inhaler on all-cause mortality and adverse events, such as pneumonia and fracture, in patients with newly diagnosed chronic obstructive pulmonary disease (COPD). We used representative nationwide cohort data from the Korean National Health Insurance claims database (2002-2013). Patients who were at least 40-years-old, newly diagnosed with COPD, and prescribed ICS or ICS/LABA in a single inhaler (N = 1995). To analyze the data, we utilized a Cox's proportional hazard regression. RESULTS: Among the total of 1995 patients, 807 had severe COPD (FEV1 < 50%) and 1188 had mild/moderate COPD (FEV1 ? 50%). The cumulative incidence and 5-year cumulative incidence of all-cause mortality was 59.5% and 29.6% for ICS users, and 35.8% and 20.2% for single inhaler ICS/LABA users, respectively. The adjusted hazard ratio (HR) of all-cause mortality for new ICS/LABA users, compared with that in new ICS users, was 0.77 (95% CI: 0.62-0.95) for the total population. For the severe and non-severe COPD groups, the adjusted HRs of all-cause mortality for new ICS/LABA users were 1.07 (95% CI: 0.65-1.76) and 0.70 (95% CI: 0.55 0.89), respectively. There was no difference in the risk for the first hospitalization due to pneumonia between new ICS and ICS/LABA users among the total population (HR: 1.02; 95% CI: 0.79-1.34). The adjusted HR of the first hospitalization for fractures in new ICS/LABA users, compared with that in new ICS users, was 0.60 (95% CI: 0.39-0.92) for the total population. CONCLUSIONS: Among newly diagnosed COPD patients and new users of ICS or ICS/LABA, use of ICS/LABA in a single inhaler was associated with lowered risk of all-cause mortality and delayed first hospitalization for fracture, as compared with use of ICS alone. However, there was no significant difference in terms of first hospitalization for pneumonia. PMID- 29206638 TI - Work-related asthma in a sample of subjects with established asthma. AB - OBJECTIVE: To assess the impact of occupational exposure to irritants or sensitizers on the occurrence, recrudescence and worsening of asthma and to identify unrecognized cases of work related asthma (WRA) including Work Exacerbated Asthma (WEA) and Occupational Asthma (OA), in a general asthma clinic population sample. SETTING, DESIGN AND PARTICIPANTS: The study was a population based cross sectional survey. 1289 asthmatic subjects (from 15 to 46 yrs old) living in a vast district of Tuscany (Italy) were identified from the Medical Reimbursement Register of the National Health System. 893 subjects agreed to take part in the study. Subjects who were currently working or had worked in past were classified in different categories of occupational risk exposure (No, Low or High) according to the italian standard classification for industries and job titles, associated with the judgment of occupational hygiene experts. RESULTS: 41% of subjects worked in industries and in job titles at risk for exposure to airway irritants and/or sensitizers, 48.6% reported an occupational exposure to gases, dust and fumes, more males than females. Prevalence of WEA and OA was higher in subjects who worked at higher risk exposure; these subjects reported a higher prevalence of markers of asthma severity (asthma control, level of treatment, FEV1) than subjects without WRA. Risk of WEA was significantly associated to female gender, older age, and self-reported exposure, while risk of OA was associated to job title with higher exposure risk to occupational asthmogens. CONCLUSIONS: Our study shows a high prevalence of WRA (especially WEA) associated with employment in industries and job titles at risk for airways sensitizers and/or irritants; data also support a role for occupational exposure in determining a poor asthma control and a higher level of asthma severity. PMID- 29206639 TI - Electrical impedance tomography in children with community acquired pneumonia: preliminary data. AB - BACKGROUND: Electrical impedance tomography (EIT) is a noninvasive pulmonary function test that provides spatial and temporal information of changes in regional lung ventilation. We aimed to assess the feasibility of EIT as a supplementary tool in the evaluation of community acquired pneumonia in children. Furthermore, we performed a prospective evaluation of regional lung ventilation changes during a six-month follow-up period. METHODS: We enrolled otherwise healthy children aged 2-15 years with radiological diagnosis of community acquired pneumonia on admission at pediatric emergency department. Chest EIT was performed at enrollment, at three and six-months from baseline. RESULTS: Nineteen children were enrolled. A significant agreement between EIT and chest radiography in identifying the affected lung (left or right) was observed (Cohen K statistic = 0.73, 95% CI 0.5-0.98). Ventilation improvement was documented at three-month follow-up, but a full recovery only at six months. CONCLUSION: EIT reliably provides additional information on lung ventilation disorders due to CAP in children. It further allows bedside, real time and radiation free monitoring of lung functional recovery. Future studies are needed to expand the generalizability of this method and evaluate effectiveness on clinical practice. PMID- 29206640 TI - Trends in 30-day readmission rates after COPD hospitalization, 2006-2012. AB - BACKGROUND: Reduction in 30-day readmission rate after chronic obstructive pulmonary disease (COPD)-related hospitalization is a national objective. However, little is known about trends in readmission rates in recent years, particularly in priority populations defined by the Agency for Healthcare Research and Quality (AHRQ)(e.g., the elderly, women, racial/ethnic minorities, low-income and rural populations, and populations with chronic illnesses). METHODS: We conducted a retrospective cohort study using data from the State Inpatient Database of eight geographically-dispersed US states (Arkansas, California, Florida, Iowa, Nebraska, New York, Utah, and Washington) from 2006 through 2012. We identified all COPD-related hospitalizations by patients ?40 years old. The primary outcome was any-cause readmission within 30 days of discharge from the index hospitalization for COPD. RESULTS: From 2006 to 2012, a total of 845,465 hospitalizations at risk for 30-day readmissions were identified. Overall, 30-day readmission rate for COPD-related hospitalization decreased modestly from 20.0% in 2006 to 19.2% in 2012, an 0.8% absolute decrease (OR 0.991, 95%CI 0.989-0.995, Ptrend<0.001). This modest decline remained statistically significant after adjusting for patient demographics and comorbidities (adjusted OR 0.981, 95%CI 0.977-0.984, Ptrend<0.001). Similar to the overall population, the readmission rate over the 7-year period remained persistently high in most of AHRQ-defined priority populations. CONCLUSIONS: Our observations provide a benchmark for future investigation of the impact of Hospital Readmissions Reduction Program on readmissions after COPD hospitalization. Our findings encourage researchers and policymakers to develop effective strategies aimed at reducing readmissions among patients with COPD in an already-stressed healthcare system. PMID- 29206641 TI - Comparison of exercise training responses in COPD patients with and without Alpha 1 antitrypsin deficiency. AB - BACKGROUND: The benefits of pulmonary rehabilitation (PR) on fatigue-resistant skeletal muscle fibre type I have been found to be smaller in COPD patients with alpha-1 antitrypsin deficiency (AATD) than in those without AATD. Alpha-1 antitrypsin (AAT) augmentation therapy was suggested as a potential factor of influence. Whether this finding mirrors different improvements in 6-min walk distance (6MWD) between both groups remains unknown. METHODS: 140 patients with AATD-related COPD (phenotype PiZZ, FEV1: 31 +/- 8%pred.) and 280 COPD patients without AATD (FEV1: 31 +/- 8%pred.) were matched for baseline 6MWD and included in a retrospective analysis. AATD patients were divided into those "on" (AATDAUG+) or "off" (AATDAUG-) augmentation therapy. 6MWD was assessed pre and post an inpatient 4-week PR program. Plasma level of creatinine was analysed at baseline. RESULTS: In AATD and COPD patients with comparable initial 6MWD (331 +/ 106 m and 326 +/- 101 m, p = n.s.), improvements in 6MWD following PR were similar (+49 +/- 49 m and +53 +/- 52 m, intra-group change: p < 0.001). Notably, 68% of AATD and 65% of COPD responded well with a clinically relevant 6MWD improvement of ?30 m. The improvement in 6MWD was independent of gender, age, pack years, SF36 mental score and body mass index. The augmentation therapy with AAT did not influence 6MWD outcome (AATDAUG+: +51 +/- 55 m, AATDAUG-: +47 +/- 40 m, p = n.s.). Only in AATD group, higher baseline creatinine levels and lower 6MWD were positive predictors for the PR-related increase in 6MWD. CONCLUSIONS: Independently of the genetic variant of AAT, COPD patients achieved the same training-related benefit in 6MWD. Augmentation therapy showed no effect on 6MWD adaptation during PR. PMID- 29206642 TI - Measurement of sirolimus concentrations in human blood using an automated electrochemiluminescence immunoassay (ECLIA): a multicenter evaluation. AB - BACKGROUND: Therapeutic drug monitoring (TDM) of sirolimus is essential in transplant recipients. We evaluated the performance of a new electrochemiluminescence immunoassay (ECLIA) for measuring sirolimus concentrations in whole blood at five European laboratories. METHODS: Study assessments included repeatability, intermediate precision and functional sensitivity (concentration at coefficient of variation [CV] of 20%) experiments. Method comparisons with liquid chromatography-tandem mass spectrometry (LC-MS/MS; reference method) and two immunoassays (chemiluminescent microparticle immunoassay [CMIA] and antibody-conjugated magnetic immunoassay [ACMIA]) were performed using native samples from patients with kidney transplants. RESULTS: Imprecision testing CVs were <=6.4% and <=10.7% across the sirolimus concentration range for both repeatability and intermediate precision, respectively. The ECLIA showed excellent functional sensitivity: the CV did not reach 20%; the CV at the assay's limit of quantitation (1.5 MUg/L) was 7.0%. Agreement between the ECLIA and LC-MS/MS using native kidney samples was close, with weighted Deming regression analysis yielding a slope of 1.05, an intercept of 0.154 MUg/L and a Pearson's correlation coefficient (r) of 0.94, while Bland Altman analysis showed a combined mean bias of 0.41 MUg/L (+/-2 standard deviation [SD], -1.96 to 2.68). The ECLIA also showed good correlation with the two other immunoassays: the CMIA (slope=0.91, intercept=0.112 MUg/L and r=0.89) and the ACMIA (slope=0.99, intercept=0.319 MUg/L and r=0.97). CONCLUSIONS: The ECLIA showed good precision, functional sensitivity and agreement with other methods of sirolimus measurement used in clinical practice, suggesting that the assay is suitable for TDM in transplant recipients and provides an alternative to LC-MS/MS. PMID- 29206643 TI - Emblica officinalis - Anti-obesity activity. AB - Context Emblica officinalis Gaertn. (family-Phyllanthaceae) fruits, known commonly as amla, is extensively used in Indian traditional system of medicine for the treatment of various disorders. The ethanolic E. officinalis extract is reported to have various activity such as antidiabetic, antihyperlipidemic and antioxidant activity in experimental animals. Objective To evaluate anti-obesity effect of aqueous E. officinalis extract in murine model of high fat diet (HFD) induced obesity. Materials and methods Male Wistar rats fed with HFD (20 g/day/rat, p.o) for a period of 42 days were used to induce obesity. Aqueous E. officinalis extract (20 mg/kg bw) administered orally to HFD-fed rats from day 8 to 50 days for a period of 42 days. Body weight gain, serum lipids, insulin and leptin parameters were measured. Results Oral feeding of the aqueous E. officinalis extract (20 mg/kg) to HFD-induced obese rats for a period of 42 days resulted in significant reduction in body weight gain, insulin, leptin, lipids as compared to rats fed HFD alone. Further, the extract also showed significant increase in high density lipoprotein (HDL-C) levels. Discussion and conclusions These results show that aqueous E. officinalis extract possess significant anti obesity potential. PMID- 29206644 TI - Antinociceptive and antioxidant activities of Hunteria umbellata stem bark: possible role of the serotonergic, opioidergic and dopaminergic pathways. AB - Background Hunteria umbellata (HU) (K. Schum) is used in ethnomedicine for the management of pain, diabetes mellitus and dysmenorrhoea. This study evaluated the analgesic and antioxidant activities of aqueous extract of HU stem bark and the possible mechanism(s) of action. Methods The antinociceptive effect of HU was evaluated using acetic acid mouse writhing, tail flick, hot plate and formalin induced paw licking models. To establish the possible mechanism(s) of action of HU, separate group of animals were pretreated with naloxone (1 mg/kg, i.p.), atropine (1 mg/kg, i.p.), haloperidol (0.1 mg/kg, i.p.), ondansetron (1 mg/kg, i.p.) and phenoxybenzamine (0.1 mg/kg, i.p.), 15 min before HU. The in vivo and in vitro antioxidant potential was evaluated using established methods. Results The extract at 150 and 300 mg/kg, significantly (p<0.05) reduced the number of writhes and paw licking times and increased pain threshold in writhing assay, paw licking and hotplate tests respectively. Pretreatment of animals with ondansetron, naloxone and haloperidol, significantly (p<0.05 and p<0.01) attenuated the analgesic activity of HU. The extract demonstrated significant (p<0.05) radical scavenging activity (IC50 0.39 ug/mL), with high phenol content and reducing property. The total phenol content was 124.19 per gram of gallic acid. In vivo antioxidant assay showed significant (p<0.05) increase in catalase and superoxide levels. Conclusions Results obtained in this study suggest the involvement of serotonergic, opioidergic and dopaminergic pathways in the analgesic effect of HU stem bark, in addition to its potent antioxidant potential. PMID- 29206645 TI - Corrigendum to: Functional brain MRI in patients complaining of electrohypersensitivity after long term exposure to electromagnetic fields. PMID- 29206646 TI - Argatroban and Bivalirudin for Perioperative Anticoagulation in Cardiac Surgery. PMID- 29206647 TI - Microvascular Permeability after an Acute and Chronic Salt Load in Healthy Subjects: A Randomized Open-label Crossover Intervention Study. AB - BACKGROUND: Sodium-induced microcirculatory changes, endothelial surface layer alterations in particular, may play an important role in sodium-mediated blood pressure elevation. However, effects of acute and chronic sodium loading on the endothelial surface layer and microcirculation in humans have not been established. The objective of this study was to assess sodium-induced changes in blood pressure and body weight as primary outcomes and also in microvascular permeability, sublingual microcirculatory dimensions, and urinary glycosaminoglycan excretion in healthy subjects. METHODS: Twelve normotensive males followed both a low-sodium diet (less than 50 mmol/day) and a high-sodium diet (more than 200 mmol/day) for eight days in randomized order, separated by a crossover period. After the low-sodium diet, hypertonic saline (5 mmol sodium/liter body water) was administered intravenously in 30 min. RESULTS: Both sodium interventions did not change blood pressure. Body weight increased with 2.5 (95% CI, 1.7 to 3.2) kg (P < 0.001) after dietary sodium loading. Acute intravenous sodium loading resulted in increased transcapillary escape rate of I labeled albumin (2.7 [0.1 to 5.3] % cpm . g . h; P = 0.04), whereas chronic dietary sodium loading did not affect transcapillary escape rate of I-labeled albumin (-0.03 [-3.3 to 3.2] % cpm . g . h; P = 1.00), despite similar increases of plasma sodium and osmolality. Acute intravenous sodium loading coincided with significantly increased plasma volume, as assessed by the distribution volume of albumin, and significantly decreased urinary excretion of heparan sulfate and chondroitin sulfate. These changes were not observed after dietary sodium loading. CONCLUSIONS: Our results suggest that intravenous sodium loading has direct adverse effects on the endothelial surface layer, independent of blood pressure. PMID- 29206648 TI - Relationship between plasma protein S levels and apolipoprotein C-II in Japanese middle-aged obese women and young nonobese women. AB - : Protein S, a nonenzymatic cofactor to activated protein C, presents in two forms in plasma, free form and in a complex with C4b-binding protein. The aim of this study was to determine the association of plasma protein S levels with the variables related to cardiovascular disease risk. The relationships between plasma protein S levels with lipids, inflammation markers, and adiposity were first examined on middle-aged obese women (n = 62), then on young nonobese women (n = 160) to verify the findings in the obese women. Total and free protein S antigen levels in middle-aged obese women, approximately half being in a postmenopausal state and suffered from dyslipidemia, correlated negatively with estradiol and positively with triglycerides, total cholesterol, LDL cholesterol, apoA-II, apoB, apoC-II, apoC-III, apoE, hemoglobin A1c, and protein C, whereas there was no correlation with HDL cholesterol, apoA-I, BMI, visceral fat area, blood pressure, or factor VII activity. Multiple linear regression analyses revealed that protein C, apoC-II, and fibrinogen were significant predictors of total protein S antigen levels, accounting for 51.9% of variance, and apoC-II as a singular significant predictor for free protein S antigen levels (12.3% of variance). In young nonobese women, most being normolipidemic, apoC-II was also selected as a significant predictor of total protein S antigen levels, but not of free protein S antigen levels. The positive relationship between plasma protein S levels and apoC-II, a key regulator of triglycerides hydrolysis, may contribute to the pathogenesis of increased concentrations of plasma protein S. PMID- 29206649 TI - The importance of the microbiome in pediatrics and pediatric infectious diseases. AB - PURPOSE OF REVIEW: Emerging research on the pediatric microbiome implicates the importance of the microbiome on the development of the immune system, nervous system, and growth. Changes to the microbiome during infancy are associated with the development of chronic illnesses such as asthma and inflammatory bowel disease. Additionally, the microbiome provides protection against certain pathogens, affects vaccine responses, and alters drug metabolism. This review highlights what is known about the microbiome, the establishment of a healthy microbiome and the significance that changes to the microbiome composition have on growth and health of children and adolescents. RECENT FINDINGS: Vaginal delivery, breastfeeding, maternal health, and nutrition help shape a healthy microbiome. Caesarian delivery, formula feeding, and antibiotic use perturb the microbiome and are associated with the development of type II diabetes, asthma, allergic diseases, and obesity later in life. Specific interventions using pre and probiotics in multiple settings are under investigation with limited success. SUMMARY: A better understanding of the microbiome and the interaction with the immune system may help guide interventions to alter the microbiome toward a state of lifelong health. PMID- 29206650 TI - Surgical treatment of femoroacetabular impingement after slipped capital femoral epiphysis. AB - PURPOSE OF REVIEW: Femoroacetabular impingement (FAI) post slipped capital femoral epiphysis (SCFE) may lead to degenerative changes on the hip. We have reviewed the current procedures in the literature, aiming to correct the SCFE to prevent FAI and the ones that treat FAI post SCFE. RECENT FINDINGS: The trends of managing moderated or severe SCFE is to correct the displacement by reduction and fixation with articular hematoma decompression in unstable hips and Dunn modified procedure even for unstable and stable situations. However, after FAI is settled, the options are osteochondroplasty by arthroscopy or surgical hip dislocation, associated or not to subtrocanteric osteotomy. SUMMARY: Femoroacetabular impingement may occur in mild slips and certainly occur in cases of moderate and severe slips. The initial management depends on the severity and the stability of the slip.The modified Dunn procedure is a good option for the treatment of unstable SCFEs. Gentle closed reduction with capsulotomy (Parsch) may be considered whenever the surgeon is not comfortable with the modified Dunn procedure.Hips with open physis and stable moderate or severe SCFE, the modified Dunn procedure can be indicated. Cases with closed physis are managed with intertrochanteric osteotomy combined with osteoplasty.In the presence of symptomatic FAI secondary to SCFE, one should consider arthroscopic osteoplasty or surgical hip dislocation (with or without osteotomies) as treatment options. PMID- 29206651 TI - Novel therapeutic strategies and targets in advanced uveal melanoma. AB - PURPOSE OF REVIEW: Currently, there are no U.S. Food and Drug Administration approved or effective treatment options for advanced-stage uveal melanoma. In this article, we focus on therapeutic targets in pathways/mechanisms associated with common mutations in uveal melanoma. We review the challenges associated with targeting of these pathways and novel treatment strategies. RECENT FINDINGS: Common mutations that promote uveal melanoma initiation and progression include alterations in G protein subunit alpha q/11 (GNAQ/GNA11) and breast cancer gene 1 associated protein 1 (BAP1). Mutant GNAQ/GNA11 induces constitutive activation of tumorigenic pathways such as extracellular signal-regulated kinase (ERK)1/2 and yes-associated protein. Inhibition of mitogen-activated protein kinase kinase (MEK) downstream of ERK1/2, however, was shown in trials to have limited clinical benefit. Recent reports suggested that combination therapies of MEK inhibition and modulators of mechanisms of drug resistance may improve tumor responses to MEK inhibitors. BAP1 has been shown to be involved in modulating chromatin dynamics and deubiquitination of proteins. Hence, epigenetic inhibitors are being investigated in BAP1 mutant uveal melanoma. However, other functions of BAP1, such as in DNA damage repair and cell cycle regulation, indicate additional targets for treatment of BAP1 mutant uveal melanoma. In addition, the frequent delayed development of uveal melanoma macrometastases is likely due to cellular dormancy mechanisms. Nuclear receptor subfamily 2, group F, member 1 and transforming growth factor beta 2 were among factors that have been shown in other cancers to induce dormant phenotypes. SUMMARY: Findings from studies in uveal melanoma and in other cancers provide evidence for potential strategies that may be tested preclinically and clinically in advanced-stage uveal melanoma to improve treatment outcome and overall survival of patients. PMID- 29206652 TI - Suprachoroidal shunts. AB - PURPOSE OF REVIEW: This article reviews recent studies evaluating the efficacy and safety of ab externo and ab interno suprachoroidal shunts designed to augment uveoscleral outflow in patients with open angle glaucoma. RECENT FINDINGS: The Gold Shunt and STARflo are placed into the suprachoroidal space via an ab externo approach, while the CyPass Micro-Stent and iStent Supra are inserted ab interno through a clear corneal incision. A small randomized clinical trial suggested similar efficacy among two different models of the Gold Shunt and the Ahmed glaucoma valve. The pivotal multicenter, randomized COMPASS trial showed that the CyPass Micro-Stent combined with cataract surgery is more effective than cataract surgery alone through 2 years. Study results suggest a favorable safety profile for each suprachoroidal device and intraocular pressure-lowering to the mid-to high teens with an associated reduction in medication burden. Given the relative novelty of these procedures, it is currently unknown whether fibroblastic proliferation within the suprachoroidal space may limit their long-term success. SUMMARY: Renewed interest in the suprachoroidal space has led to the development of new biocompatible glaucoma implants. Ab interno devices are easily combined with cataract surgery and preserve conjunctiva for future incisional glaucoma surgery. Additional data regarding the long-term efficacy and late complications of suprachoroidal shunts are needed. PMID- 29206653 TI - Ginkgo biloba and its potential role in glaucoma. AB - PURPOSE OF REVIEW: This study will review the research on the effect of ginkgo biloba extract (GBE) on patients with glaucoma. RECENT FINDINGS: GBE appears to increase ocular blood flow in those with glaucoma. However, data on visual field outcomes are inconclusive. SUMMARY: GBE has been shown to have antioxidant and vascular effects, making it potentially effective in treating glaucoma. Published data are limited but show an increase in ocular blood flow after GBE administration. Conclusive evidence is lacking regarding the effect of GBE on clinical outcomes in glaucoma patients such as visual field performance. PMID- 29206654 TI - Descemet membrane endothelial keratoplasty and glaucoma. AB - PURPOSE OF REVIEW: The aim of this review is to describe the relationship between Descemet membrane endothelial keratoplasty (DMEK) and glaucoma. RECENT FINDINGS: Glaucoma after DMEK is a serious complication that may cause permanent visual loss, affect donor endothelial cells and graft survival. The mechanisms of raised intraocular pressure (IOP) after DMEK include reverse pupillary block in the early postoperative period, and steroid response in the late phase. The reduced risk of immunogenic graft rejection after DMEK necessitates a shorter duration of steroids, which may in turn reduce the risk of steroid response. On the other hand, eyes with preexisting glaucoma that undergo DMEK may have a poorer prognosis than those without glaucoma. SUMMARY: Early recognition and treatment of raised IOP is important after DMEK. Accurate IOP measurements after DMEK may be difficult to obtain because of the presence of an air bubble, corneal oedema, and corneal irregularities. A prophylactic peripheral iridectomy is recommended to prevent reverse pupillary block. Patients should posture face-up and be evaluated in the early postoperative period, as patients may be asymptomatic despite raised IOP. In order to reduce the risk of steroid response, weaker steroids may be prescribed after 1-3 months without adverse effects on DMEK outcomes. PMID- 29206657 TI - Dual bronchodilator therapy for chronic obstructive pulmonary disease: evidence for the efficacy and Safety of fixed dose combination treatments in the setting of recent guideline updates. AB - PURPOSE OF REVIEW: Recent updates to the GOLD guidelines emphasize the use of combination LABA and LAMA bronchodilators for patients with chronic obstructive pulmonary disease with persistent dyspnea despite monotherapy or frequent exacerbations despite LAMA monotherapy. There are several commercially available LABA/LAMA fixed dose combination inhalers, which are likely to become the principle therapy for many patients with COPD. RECENT FINDINGS: In the last 4 years, there have been a number of large clinical trials evaluating the efficacy and safety of combined LAMA and LABA bronchodilators. LAMA/LABA fixed dose combination therapies have consistently demonstrated clinically significant improvements to airway obstruction, dyspnea, and quality of life whenever compared with placebo, and more modest improvements compared with bronchodilator monotherapies and combined bronchodilator/inhaled corticosteroid therapy. SUMMARY: New guidelines emphasize combination bronchodilators as a mainstay of therapy for many patients with symptomatic COPD and there are several new combination bronchodilator therapies available to patients. It is important for physicians and patients to understand the range and degree of expected clinical effects and the safety profiles of these new medications. PMID- 29206656 TI - HIV integration sites and implications for maintenance of the reservoir. AB - PURPOSE OF REVIEW: To provide an overview of recent research of how HIV integration relates to productive and latent infection and implications for cure strategies. RECENT FINDINGS: How and where HIV integrates provides new insights into how HIV persists on antiretroviral therapy (ART). Clonal expansion of infected cells with the same integration site demonstrates that T-cell proliferation is an important factor in HIV persistence, however, the driver of proliferation remains unclear. Clones with identical integration sites harbouring defective provirus can accumulate in HIV-infected individuals on ART and defective proviruses can express RNA and produce protein. HIV integration sites differ in clonally expanded and nonexpanded cells and in latently and productively infected cells and this influences basal and inducible transcription. There is a growing number of cellular proteins that can alter the pattern of integration to favour latency. Understanding these pathways may identify new interventions to eliminate latently infected cells. SUMMARY: Using advances in analysing HIV integration sites, T-cell proliferation of latently infected cells is thought to play a major role in HIV persistence. Clonal expansion has been demonstrated with both defective and intact viruses. Production of viral RNA and protein from defective viruses may play a role in driving chronic immune activation. The site of integration may determine the likelihood of proliferation and the degree of basal and induced transcription. Finally, host factors and gene expression at the time of infection may determine the integration site. Together these new insights may lead to novel approaches to elimination of latently infected cells. PMID- 29206655 TI - Pathophysiology, clinical presentation, and treatment of coma and acute kidney injury complicating falciparum malaria. AB - PURPOSE OF REVIEW: Cerebral impairment and acute kidney injury (AKI) are independent predictors of mortality in both adults and children with severe falciparum malaria. In this review, we present recent advances in understanding the pathophysiology, clinical features, and management of these complications of severe malaria, and discuss future areas of research. RECENT FINDINGS: Cerebral malaria and AKI are serious and well recognized complications of severe malaria. Common pathophysiological pathways include impaired microcirculation, due to sequestration of parasitized erythrocytes, systemic inflammatory responses, and endothelial activation. Recent MRI studies show significant brain swelling in both adults and children with evidence of posterior reversible encephalopathy syndrome-like syndrome although targeted interventions including mannitol and dexamethasone are not beneficial. Recent work shows association of cell-free hemoglobin oxidation stress involved in the pathophysiology of AKI in both adults and children. Paracetamol protected renal function likely by inhibiting cell-free mediated oxidative stress. It is unclear if heme-mediated endothelial activation or oxidative stress is involved in cerebral malaria. SUMMARY: The direct causes of cerebral and kidney dysfunction remain incompletely understood. Optimal treatment involves prompt diagnosis and effective antimalarial treatment with artesunate. Renal replacement therapy reduces mortality in AKI but delayed diagnosis is an issue. PMID- 29206658 TI - Lung function trajectories and chronic obstructive pulmonary disease: current understanding and knowledge gaps. AB - PURPOSE OR REVIEW: Population-based studies have shown a significant heterogeneity in patients with chronic obstructive pulmonary disease (COPD), regarding both the attainment of maximal lung function and the subsequent decline over time. This review will highlight recent advances in the understanding of lung function trajectory in COPD, focusing on factors that influence peak adult lung function, markers of accelerated lung function decline and pharmacologic interventions in early phases of the disease. RECENT FINDINGS: Recent data have shown that individuals with lower lung function early in life will go on to develop lower forced expiratory volume in 1 s (FEV1) in adulthood. Smoking can amplify the effect of specific childhood exposures on maximal adult lung function. Clinical symptoms such as chronic mucous hypersecretion and the biomarker club cell secretory protein have been associated with lung function decline over time. New computed tomography imaging markers also show promise as a way to detect early small airway disease, but need to be examined more longitudinally. In addition to these advances, a slower decline in FEV1 has been demonstrated in two randomized clinical trials studying tiotropium and inhaled fluticasone. SUMMARY: A better understanding of lung function development and eventual decline in those at risk for progression to COPD will aide in a precision medicine approach, in which markers for those at risk of low maximal lung function and accelerated decline are identified. Targeted therapy can then be used early to modify disease activity and outcomes. PMID- 29206659 TI - What are the dominant cytokines in early rheumatoid arthritis? AB - PURPOSE OF REVIEW: Rheumatoid arthritis is a systemic disease of evolving immune dysregulation that culminates in joint destruction and disability. The principle by which pro-inflammatory cytokines may be therapeutically targeted to abrogate disease is well established, but has yet to translate into reliable cures for patients. Emerging insights into cytokine-mediated pathobiology during rheumatoid arthritis development are reviewed, and their implications for future treatment strategies considered. RECENT FINDINGS: Accumulating data highlight cytokine perturbations before the clinical onset of rheumatoid arthritis. Some of these have now been linked to the arthritogenic activation of autoantibodies and associated pain and bone destruction in affected joints. These observations suggest cytokines may trigger the transition from systemic immunity to arthritis. Cytokine exposure could furthermore 'prime' synovial stromal cells to perpetuate a dominant pro-inflammatory environment. By facilitating cross-talk between infiltrating immune cells and even sustaining ectopic lymphoid structure development in some cases, cytokine interplay ultimately underpins the failure of arthritis to resolve. SUMMARY: Successful therapeutic stratification will depend upon an increasingly sophisticated appreciation of how dominant players amongst cytokine networks vary across time and anatomical space during incipient rheumatoid arthritis. The prize of sustained remission for all patients justifies the considerable effort required to achieve this understanding. PMID- 29206661 TI - The need and opportunity for donation after circulatory death worldwide. AB - PURPOSE OF REVIEW: The global shortage of organ donors will not be resolved solely by relying on deceased donation following a brain death determination (DBD). Expansion of deceased donation after circulatory death (DCD) will be needed to address the shortfall of organs for transplantation. Approximately 120 000 organ transplants are performed each year; however, the WHO estimates that this number of transplants only resolves 10% of the annual worldwide transplant need. RECENT FINDINGS: The report addresses the opportunity of DCD expansion by evaluating the DCD potential that is not being realized, the utility of DCD enabling DBD to emerge in some clinical situations, by the effectiveness of a donor registry in achieving DCD, and by the current clinical research of heart, lung, and liver transplantation from DCD. SUMMARY: The future of deceased donation must include DCD and ex-vivo organ repair if the organ shortage is to be reconciled even partially to the ongoing demand. Although the religious and legal impediments have been overcome to determine brain death, the possibility of DCD has not been addressed. A program of DCD is feasible in all countries with transplantation services. The excellent results following kidney and lung transplantation suggest opportunities of heart and liver transplantation should be the focus of needed DCD accomplishment in the near future. PMID- 29206662 TI - Surgery Versus Radiation Treatment for High-Grade Neuroendocrine Cancer of Uterine Cervix: A Surveillance Epidemiology and End Results Database Analysis. AB - OBJECTIVES: The objective of this study was to assess treatment and other factors impacting survival in cervical high-grade neuroendocrine carcinoma (HGNEC). METHODS/MATERIALS: We identified patients with cervical HGNECs diagnosed during 1988 to 2012 in the Surveillance Epidemiology and End Results database. We determined overall survival by International Federation of Gynecology and Obstetrics stages and by local treatment modalities, that is, radical surgery versus external beam radiation treatment (EBRT) plus brachytherapy using Kaplan Meier analysis with log-rank test. We also determined factors of age, stage, and treatment modality impacting survival using proportional hazard analysis. RESULTS: We identified 832 cases of cervical HGNECs in the database. After excluding cases with incomplete stage data, the International Federation of Gynecology and Obstetrics stages I to IV distributions were 196 (28.0%), 69 (9.9%), 175 (25.0%), and 260 patients (37.1%), respectively. Radical surgery and primary radiotherapy yielded similar 5-year overall survival for stages I (61% vs 53%, P = 0.27), II (48% vs 28%, P = 0.308), and III (33% vs 28%, P = 0.408) patients. External beam radiation treatment plus brachytherapy did not yield superior survival than EBRT alone in stage I (48% vs 49%, P = 0.799), II (37% vs 20%, P = 0.112), or III (25% vs 32%, P = 0.636) patients. Age (P = 0.004) and stage (stage II: hazard ratio [HR], 1.78, P = 0.013; stage III: HR, 2.42; P < 0.001) were independent factors impacting survival but not local treatment modality (EBRT: HR, 1.30, P = 0.17; EBRT plus brachytherapy: HR, 1.16; P = 0.417). CONCLUSIONS: Patients with cervical HGNECs had poor prognosis. Primary treatment by radical surgery or external beam radiotherapy with or without brachytherapy yielded equally poor survival. PMID- 29206660 TI - Recent developments in systemic lupus erythematosus pathogenesis and applications for therapy. AB - PURPOSE OF REVIEW: Systemic lupus erythematosus (SLE) pathogenesis is complex. Aberrancies of immune function that previously were described but not well understood are now becoming better characterized, in part through recognition of monogenic cases of lupus-like disease. RECENT FINDINGS: We highlight here recent descriptions of metabolic dysfunction, cytokine dysregulation, signaling defects, and DNA damage pathways in SLE. Specifically, we review the effects of signaling abnormalities in mammalian target of rapamycin, Rho kinase, Bruton's tyrosine kinase, and Ras pathways. The importance of DNA damage sensing and repair pathways, and their influence on the overproduction of type I interferon in SLE are also reviewed. SUMMARY: Recent findings in SLE pathogenesis expand on previous understandings of broad immune dysfunction. These findings have clinical applications, as the dysregulated pathways described here can be targeted by existing and preclinical therapies. PMID- 29206663 TI - Letter From Editor: January 2018. PMID- 29206665 TI - Lean Mass and Functional Recovery in Men With Hip Fracture: A Short-Term Prospective Pilot Study. AB - OBJECTIVE: The aim of the study was to assess the capability of different definitions of low appendicular lean mass (aLM) to predict the short-term functional recovery in men with hip fracture. DESIGN: We investigated 80 of 95 men with hip fracture admitted consecutively to a rehabilitation hospital. Body composition was assessed by dual-energy x-ray absorptiometry. Functional recovery after inpatient rehabilitation was evaluated using Barthel Index scores. RESULTS: The patients with aLM above the cutoff value of 19.75 kg indicated by the Foundation for the National Institutes of Health (FNIH) had significantly higher Barthel Index scores than those with aLM below the cutoff value (P = 0.002). Patients' categorization according to the same threshold (aLM = 19.75 kg) was significantly associated with a Barthel Index score of 85 or higher after adjustment for age, cognitive impairment, hip fracture type, co-morbidities, and medications (odds ratio = 7.17, 95% confidence interval = 1.43-35.94, P = 0.017). Conversely, patients' categorization according to neither Baumgartner's cutoff value (7.26 kg/m) for aLM/height nor Foundation for the National Institutes of Health cutoff value (0.789) for aLM divided by body mass index was significantly associated with the Barthel Index scores. CONCLUSIONS: Categorization according to the Foundation for the National Institutes of Health threshold for aLM, but not to the Foundation for the National Institutes of Health threshold for aLM/body mass index or Baumgartner's threshold for aLM/height, was associated with the short-term recovery in activities of daily living after a hip fracture in men. PMID- 29206666 TI - Immediate Effects of Simultaneous Application of Transcutaneous Electrical Nerve Stimulation and Ultrasound Phonophoresis on Active Myofascial Trigger Points: A Randomized Controlled Trial. AB - OBJECTIVE: The aim of the study was to investigate the efficacy of phonophoresis with combined therapy on active myofascial trigger points. PARTICIPANTS: One hundred participants with acute mechanical neck pain and at least one active myofascial trigger point in the upper trapezius were randomly assigned into four equal groups. INTERVENTION: Groups consisted of diclofenac phonophoresis with combined therapy, diclofenac phonophoresis, ultrasound (US) with coupling gel, and sham US and applied for 10 mins over myofascial trigger points. MEASUREMENTS: Measurements included pressure pain threshold and active cervical lateral flexion. RESULTS: There were statistically significant improvements in postintervention pressure pain threshold and range of motion values in treatment groups (P < 0.0001). As for the sham US, no significant difference was found between the preintervention and postintervention values (P > 0.05). Bonferroni correction test revealed that there was a significant difference between all the four groups in pressure pain threshold values (P < 0.0001); however, it was nonsignificant (P > 0.05) for range of motion. CONCLUSIONS: Diclofenac phonophoresis with combined therapy, phonophoresis, and US were all effective in increasing pressure pain threshold values and range of motion. In addition, phonophoresis with combined therapy was shown to be superior over phonophoresis, and phonophoresis was superior over US in terms of reducing pain sensitivity. However, none of the treatment groups were found to be superior over the other in increasing range of motion. PMID- 29206664 TI - Chemoresistance of Gastric-Type Mucinous Carcinoma of the Uterine Cervix: A Study of the Sankai Gynecology Study Group. AB - OBJECTIVE: Gastric-type mucinous carcinoma (GAS) is a novel variant of mucinous carcinoma of the uterine cervix, characterized by aggressive clinical behavior and absence of high-risk human papillomavirus. We conducted this study to evaluate the chemosensitivity of GAS compared with that of usual-type endocervical adenocarcinoma (UEA) in patients who had been enrolled in our previous study. METHODS: Of 52 patients from our previous phase 2 study (SGSG005) of neoadjuvant chemotherapy with docetaxel and carboplatin for stage IB2 to IIB nonsquamous cervical cancer, 47 (stage IB2, 12; stage IIA2, 7; stage IIB, 28) were enrolled in this study with written informed consent. The biopsy specimens before neoadjuvant chemotherapy and surgical specimens after chemotherapy were centrally reviewed based on the updated World Health Organization classification (2014). RESULTS: Of 47 patients with nonsquamous cell carcinoma, 20 (42.6%) were diagnosed with UEA, 13 (27.7%) with GAS, 12 (25.5%) with adenosquamous carcinoma, and 1 patient each (2%) with small cell carcinoma and serous carcinoma. Consequently, 33 patients, consisting of 20 patients with UEA and 13 patients with GAS, were eligible for the current study. The response rate of GAS was significantly lower than that of UEA (46.2% vs 85.0%, P = 0.048). Of 16 cases of stage II UEA, 11 (68.8%) were downstaged on microscopic examination of postsurgical specimens, but none of the 8 patients with stage II GAS showed any response (P < 0.01). Two inoperative tumors were GAS. With a median follow-up duration of 56 months, the 5-year progression-free and overall survival rates of GAS were significantly worse than those of UEA (38.5% vs 75.0% [P = 0.011] and 36.9% vs 90.0% [P < 0.001], respectively). CONCLUSIONS: These findings suggest that GAS should be distinguished from UEA by its chemoresistance, necessitating an alternative treatment strategy established for this distinct subtype of endocervical adenocarcinoma. PMID- 29206667 TI - Total Pancreatectomy With Intraportal Islet Autotransplantation as a Treatment of Chronic Pancreatitis in Patients With CFTR Mutations. AB - OBJECTIVES: Chronic pancreatitis (CP) is an infrequent but debilitating complication associated with CFTR mutations. Total pancreatectomy with islet autotransplantation (TPIAT) is a treatment option for CP that provides pain relief and preserves beta-cell mass, thereby minimizing the complication of diabetes mellitus. We compared outcomes after TPIAT for CP associated with CFTR mutations to CP without CTFR mutations. METHODS: All TPIATs performed between 2002 and 2014 were retrospectively reviewed: identifying 20 CFTR homozygotes (cystic fibrosis [CF] patients), 19 CFTR heterozygotes, and 20 age-/sex-matched controls without CFTR mutations. Analysis of variance and chi tests were used to compare groups. RESULTS: Baseline demographics were not different between groups. Postoperative glycosylated hemoglobin and C-peptide levels were similar between groups, as were islet yield and rate of postoperative complications. At 1 year, 40% of CF patients, 22% of CFTR heterozygotes, and 35% of control patients were insulin independent. CONCLUSION: Total pancreatectomy with islet autotransplantation is a safe, effective treatment option for CF patients with CP, giving similar outcomes for those with other CP etiologies. PMID- 29206669 TI - Reply to "Full or Limited Enhanced Recovery Program? That Is the Question". PMID- 29206670 TI - Surgical Treatment of Perihilar Cholangiocarcinoma: Resection or Transplant? PMID- 29206668 TI - Treatment Patterns and Clinical Outcomes in Patients With Metastatic Gastroenteropancreatic Neuroendocrine Tumors Treated in the Community Practice Setting in the United States. AB - OBJECTIVE: This study was conducted to understand treatment patterns and clinical outcomes in metastatic gastroenteropancreatic neuroendocrine tumor patients treated in a large community oncology network. METHODS: This retrospective study used the McKesson Specialty Health/US Oncology Network iKnowMed electronic health record database with supplemental chart review. Eligibility criteria included a metastatic neuroendocrine tumor diagnosis between January 1, 2008, and to December 31, 2012; at least 2 US Oncology Network visits; and age at least 18 years. Follow-up was through October 31, 2014. RESULTS: Among the 229 patients identified, median age was 64.0 years, 52.4% were male, 69.4% were white, and 62.9% were overweight/obese. Primary tumor sites included small bowel (47.6%), pancreas (31.4%), and stomach/colorectum (21.0%). There were 16.2% under observation without treatment, 52.4% received only somatostatin analogs (SSAs), and 31.4% received chemotherapy/targeted therapy during treatment. In the first line setting (n = 192), 77% received SSAs, 12% received chemotherapy, and 10.9% received targeted therapy. Fifty percent of patients receiving octreotide had a relative dose intensity of less than 85%, and 16.7% received above-label dose. Toxicities of SSAs included diarrhea (18.2%), abdominal pain (16.9%), and fatigue (13.5%). Median overall survival from diagnosis was 68.0 months (95% confidence interval, 57.1 to not reached). CONCLUSIONS: Most metastatic gastroenteropancreatic neuroendocrine tumor patients received systemic treatment with SSAs. Patient treatment used an individualized dosing approach. Overall survival and toxicity were consistent with the published literature. PMID- 29206671 TI - Higher Patient Numbers-Stronger Evidence? PMID- 29206672 TI - Full or limited enhanced recovery program? That is the question. PMID- 29206673 TI - PD-L1 Expression, Tumor-infiltrating Lymphocytes, and Clinical Outcome in Patients With Surgically Resected Esophageal Cancer. AB - OBJECTIVES: To examine the prognostic impact of the programmed death ligand 1 (PD L1) expression, tumor-infiltrating lymphocyte (TIL) status, and their combination in esophageal cancer. SUMMARY BACKGROUND DATA: PD-L1 has garnered much attention for its roles in tumor immunology and as an immune-based therapeutic target. To ensure a response to PD-L1 checkpoint inhibitor, a new framework based on PD-L1 expression and the presence or absence of TILs is required. METHODS: Using a nonbiased database of 305 curatively resected esophageal cancers, we evaluated PD L1 expression and TIL status (cluster of differentiation 8 (CD8) expression) by immunohistochemical analysis. The Cox proportional hazard model was used to compute the hazard ratio (HR) for mortality. RESULTS: Compared with PD-L1 negative cases (n=252), PD-L1 positive cases (n = 53) showed significantly worse overall survival [log-rank P = 0.016; HR: 1.71; 95% confidence interval: 1.08 2.61; P = 0.024; multivariate HR: 1.69; 95% confidence interval: 1.05-2.67; P = 0.033]. TIL positivity was significantly correlated with longer overall survival (log-rank P < 0.0001) and high CD8 expression (P < 0.0001). A stratification based on PD-L1 expression and TIL status was also significantly associated with overall survival (log rank P < 0.0001). CONCLUSIONS: PD-L1 expression was associated with an unfavorable clinical outcome in esophageal cancer, supporting its role as a prognostic biomarker. In addition, the combination with TIL status enabled further classification patients according to clinical outcome. PD-L1 expression and TIL status may serve as predictive tissue biomarkers and can be used for patient selection in clinical trials of drugs targeting the PD-1/PD-L1 pathways. PMID- 29206674 TI - Long-Term Outcome and Causes of Death for Working-Age Patients Hospitalized Due to Acute Pancreatitis With a Median Follow-Up of 10 Years. AB - OBJECTIVE: To examine long-term survival and causes of death among working-age patients with acute pancreatitis (AP) compared with the normal population. SUMMARY OF BACKGROUND DATA: Few studies have investigated long-term survival after AP and recurrent AP compared with the normal population; moreover, results from those studies are difficult to compare, due to suboptimal control populations and wide variations in follow-up times. METHODS: This retrospective, registry-based study included 1644 patients with AP, aged 18 to 64 years, admitted to Oulu University Hospital in 1995 to 2012. Patient data were compared with data from 8220 age- and sex-matched controls that resided in the hospital district area. RESULTS: Alcohol was the main etiologic factor causing 71.4% of the cases. During the median follow-up time of 9.5 years, mortality was 24.2% in the study group and 6.3% in the control group (P < 0.001). Alcohol-related factors caused 39.4% of deaths and alcohol AP was the main single cause of death (16.3%) in the study group. Of all fatal AP cases, 42.9% were related to recurrence. Survival was similar among patients with nonalcohol AP and controls. CONCLUSION: The long-term mortality among patients admitted to the hospital due to (mainly alcohol induced) AP was 4 times higher than that in the age- and sex matched control population. The significant difference in the causes of death between patients with alcohol AP and controls could be explained by alcohol related diseases. Occurrences of AP without an alcohol etiology had a minimal impact on survival. PMID- 29206675 TI - The John L. Cameron Legacy Factor: Further Quantifying His Impact. PMID- 29206676 TI - Hepatobiliary Hands of Hopkins. AB - OBJECTIVE: This historical perspective documents the role that John L. Cameron played in advancing hepatobiliary research, education, and surgery at Johns Hopkins in the 1970s, 1980s, and 1990s. SUMMARY OF BACKGROUND DATA: Dating back to William S. Halsted in the 19th century, leaders of the Department of Surgery at Johns Hopkins have been interested in hepatobiliary disease and surgery. John L. Cameron had broad hepato-pancreato-biliary (HPB) interests when he completed his surgical training. Over the next 3 decades, he focused on the pancreas. As a result, many faculty and trainee hepatobiliary careers were launched. METHODS: This perspective is based on 18 years of service as a surgical resident and faculty member at Johns Hopkins. An extensive literature search on the hepatobiliary publications of Halsted, Trimble, Blalock, Longmire, Zuidema, and Cameron was undertaken for this manuscript. Numerous hepatobiliary publications from Johns Hopkins from the 1970s, 1980s, 1990s, and early 2000s were also reviewed. RESULTS: John L. Cameron's early biliary interests included stones, infections, malignancies, and strictures. He was innovative with respect to portal hypertension and Budd-Chiari surgery and supportive when liver transplantation emerged in the 1980s. Volume-outcome studies in the 1990s included hepatic and complex biliary surgery. He supported and encouraged studies of biliary lithotripsy, laparoscopic cholecystectomy, clinical pathways, hepatobiliary cysts, and gallstone pathogenesis. CONCLUSION: Lessons learned by many who worked with John L. Cameron included the importance of mentorship, innovation, friendship, and collaboration. He taught leadership and change management by example. He fostered a multidisciplinary approach and encouraged randomized controlled trials. PMID- 29206677 TI - Benchmarking Complications Associated with Esophagectomy. AB - OBJECTIVE: Utilizing a standardized dataset with specific definitions to prospectively collect international data to provide a benchmark for complications and outcomes associated with esophagectomy. SUMMARY OF BACKGROUND DATA: Outcome reporting in oncologic surgery has suffered from the lack of a standardized system for reporting operative results particularly complications. This is particularly the case for esophagectomy affecting the accuracy and relevance of international outcome assessments, clinical trial results, and quality improvement projects. METHODS: The Esophageal Complications Consensus Group (ECCG) involving 24 high-volume esophageal surgical centers in 14 countries developed a standardized platform for recording complications and quality measures associated with esophagectomy. Using a secure online database (ESODATA.org), ECCG centers prospectively recorded data on all resections according to the ECCG platform from these centers over a 2-year period. RESULTS: Between January 2015 and December 2016, 2704 resections were entered into the database. All demographic and follow-up data fields were 100% complete. The majority of operations were for cancer (95.6%) and typically located in the distal esophagus (56.2%). Some 1192 patients received neoadjuvant chemoradiation (46.1%) and 763 neoadjuvant chemotherapy (29.5%). Surgical approach involved open procedures in 52.1% and minimally invasive operations in 47.9%. Chest anastomoses were done most commonly (60.7%) and R0 resections were accomplished in 93.4% of patients. The overall incidence of complications was 59% with the most common individual complications being pneumonia (14.6%) and atrial dysrhythmia (14.5%). Anastomotic leak, conduit necrosis, chyle leaks, recurrent nerve injury occurred in 11.4%, 1.3%, 4.7%, and 4.2% of cases, respectively. Clavien-Dindo complications >= IIIb occurred in 17.2% of patients. Readmissions occurred in 11.2% of cases and 30- and 90-day mortality was 2.4% and 4.5%, respectively. CONCLUSION: Standardized methods provide contemporary international benchmarks for reporting outcomes after esophagectomy. PMID- 29206678 TI - Quality Improvement in Bariatric Surgery: The Impact of Reducing Postoperative Complications on Medicare Payments. AB - OBJECTIVE: To determine the temporal relationship between reducing surgical complications and costs, using the study population of bariatric surgery. BACKGROUND: Understanding the relationship between quality and costs has significant implications for the business case of investing in performance improvement. An unprecedented focus on safety in bariatric surgery has led to substantial reductions in complication rates over time, making it an ideal patient population in which to examine this relationship. METHODS: We performed a retrospective review of Medicare beneficiaries undergoing bariatric surgery in the years 2005 to 2006 and 2013 to 2014 (total N = 37,329 patients, 562 hospitals). Hospitals were ranked into quintiles based on their degree of improvement in risk and reliability-adjusted 30-day rates of serious complications across the time periods. Multivariable regression was used to calculate corresponding changes in average price-standardized payments for each quintile of hospitals. RESULTS: We found a strong association between reductions in complications and decreased Medicare payments. The top 20% of hospitals had a decrease in average serious complication rate of 7.3% (10.0%-2.7%; P < 0.001) and an average per-patient savings of $4861 (95% confidence interval $3921-5802). Conversely, the bottom 20% of hospitals had smaller decrease in complication rate of 0.8% (4.4% to 3.6%; P < 0.001) and a smaller average savings of $2814 (95% confidence interval $2139-3490). CONCLUSIONS: When analyzing Medicare patients undergoing bariatric surgery, hospitals with the largest reductions in serious postoperative complications had the greatest decrease in per-patient payments. This study demonstrates the potential savings associated with quality improvement in high-risk surgical procedures. PMID- 29206679 TI - Predicting Intestinal Adaptation in Pediatric Intestinal Failure: A Retrospective Cohort Study. AB - OBJECTIVE: The primary goal in intestinal failure (IF) is adaptation and enteral autonomy (EA). Our goals were to determine the proportion of patients treated for IF by an established intestinal rehabilitation program who achieved EA and to assess the predictors of EA. BACKGROUND: There have been considerable advancements in the management of IF over the last 15 years, children with short bowel syndrome with a reduction in mortality. Several studies have discussed variables that may influence the ability to attain EA; however, majority were written when mortality rates were considerably higher compared with the current contemporary experience. METHODS: A retrospective analysis of infants <12 months with short bowel syndrome referred between 2006 and 2013 (n = 120). Data was collected on IF-related factors and nutritional intake. The cohort was stratified based on achievement of EA. Statistical testing completed using t test, Chi Square, and Cox Proportional Hazards regression (P < 0.05). RESULTS: EA was achieved in 84 (70.0%) patients. Patients who remained parenteral nutrition dependent were more likely to have volvulus (1.2 vs 22.2%, P < 0.001), shorter percent residual small bowel (29.4 vs 68.6%; P < 0.0001) and colon length (64.6 vs 86.0%; P = 0.001), and no ileocecal valve (61.1 vs 29.8%; P = 0.05). Mortality was also decreased in those who achieved EA (4 vs 22%; P = 0.004). Percent residual small bowel (HR = 1.03; 95% CI 1.02-1.03) and colon (HR = 1.01; 95% CI 1.00-1.02) length were positively associated with EA, while number of septic episodes was negatively associated (HR = 0.95; 95% CI 0.91-0.99). CONCLUSION: Seventy percent of infants with IF achieved EA. Residual small and large bowel length were the most important predictors of EA and septic events had a negative impact. PMID- 29206680 TI - Immune therapies in acute myeloid leukemia: a focus on monoclonal antibodies and immune checkpoint inhibitors. AB - PURPOSE OF REVIEW: This review discusses the rationale, efficacy, and toxicity of a variety of immune approaches being evaluated in the therapy of acute myeloid leukemia (AML) including naked and conjugated monoclonal antibodies, bispecific T cell engager antibodies, and immune checkpoint blockade via antibodies targeting cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed-death 1 (PD 1). RECENT FINDINGS: The stellar success of immune therapies that harness the power of T cells in solid tumors and an improved understanding of the immune system in patients with hematologic malignancies have resulted in major efforts to develop immune therapies for the treatment of patients with AML. Monoclonal antibodies in AML therapy include naked antibodies against AML surface antigens such as CD33 (e.g. lintuzumab) or CD38 (e.g. daratumumab), antibodies conjugated to toxins in various anti-CD33 (gemtuzumab ozogamicin, SGN33A, IMGN779) and anti CD123 (SL-401, SGN-CD123A) formulations, and antibodies conjugated to radioactive particles such as I or Ac-labeled anti-CD33 or anti-CD45 antibodies. Additional antigenic targets of interest in AML include CLL1, CD38, CD25, TIM3, FLT3, and others. Approaches to harness the body's own T cells against AML include antibodies that recruit and induce cytotoxicity of tumor cells by T cells (bispecific T-cell engager [BiTE] such as CD33 x CD3 (e.g. AMG 330) or CD123 x CD3 (e.g. flotetuzumab, JNJ-63709178) or antibodies that block immune checkpoint receptors CTLA4 (e.g. ipilimumab) or PD1/PD-L1 (e.g. nivolumab, pembrolizumab, avelumab) on T cells, unleashing the patients' T cells against leukemic cells. SUMMARY: The ongoing trials and well designed correlative interrogation of the immune system in patients treated on such trials will further enhance our understanding and clinical application of immune therapies as single-agent and combination approaches for the treatment of AML. PMID- 29206681 TI - Primary care management of ulcerative colitis. AB - Ulcerative colitis (UC) is an inflammatory bowel disease marked by mucosal inflammation. UC has an impact on quality of life and places a financial burden on the healthcare system. This article focuses on the impact, presentation, diagnosis and classification, systemic manifestations, complications, management, and treatment associated with UC. PMID- 29206682 TI - Research Artifact-Real or Not? Only the Discussion Can Tell Us for Sure. PMID- 29206683 TI - Surprised by Benefit in Pediatric Palliative Care Research. PMID- 29206684 TI - The Diagnosis of Acute Compartment Syndrome: A Critical Analysis Review. PMID- 29206685 TI - Intelligence and specific cognitive functions in intellectual disability: implications for assessment and classification. AB - PURPOSE OF REVIEW: Current diagnostic criteria for intellectual disability categorize ability as measured by IQ tests. However, this does not suit the new conceptualization of intellectual disability, which refers to a range of neuropsychiatric syndromes that have in common early onset, cognitive impairments, and consequent deficits in learning and adaptive functioning. A literature review was undertaken on the concept of intelligence and whether it encompasses a range of specific cognitive functions to solve problems, which might be better reported as a profile, instead of an IQ, with implications for diagnosis and classification of intellectual disability. RECENT FINDINGS: Data support a model of intelligence consisting of distinct but related processes. Persons with intellectual disability with the same IQ level have different cognitive profiles, based on varying factors involved in aetiopathogenesis. Limitations of functioning and many biopsychological factors associated with intellectual disability are more highly correlated with impairments of specific cognitive functions than with overall IQ. SUMMARY: The current model of intelligence, based on IQ, is of limited utility for intellectual disability, given the wide range and variability of cognitive functions and adaptive capacities. Assessing level of individual impairment in executive and specific cognitive functions may be a more useful alternative. This has considerable implications for the revision of the International Classification of Diseases and for the cultural attitude towards intellectual disability in general. PMID- 29206686 TI - Adverse childhood experiences in children with autism spectrum disorder. AB - PURPOSE OF REVIEW: Recent years have shown an uptick in studies assessing bullying and other adverse childhood experiences (ACEs) in children with autism spectrum disorder (ASD). This article reviews extant findings, and points to gaps in the literature. RECENT FINDINGS: Children with ASD are bullied by peers at a rate three to four times that of nondisabled peers with negative impacts on academic functioning and mental health symptoms, including increased risk for suicidality. Children with ASD are also at enhanced risk for other ACES, particularly parental divorce and income insufficiency, and as observed in the general population, children with ASD who experience an increased number of ACES are at elevated risk for comorbid psychiatric and medical health problems. Children with ASD with an elevated number of ACES also experience a delay in ASD diagnosis and treatment initiation. There is no evidence of increased risk of child maltreatment within the ASD population. SUMMARY: As bullying and other adverse experiences are common and associated with deleterious outcomes in children with ASD, there is a need for additional research on intervention strategies to prevent and mitigate the impact of these experiences. Ongoing work on the assessment of trauma experiences and PTSD symptoms in children on the spectrum is also needed. PMID- 29206687 TI - A review of clinical trials of oxytocin in Prader-Willi syndrome. AB - PURPOSE OF REVIEW: PWS is a severe developmental disability for which there is no known treatment. The oxytocin system is currently a primary target for intervention. The aim of this article is to review the evidence for the efficacy of intranasal oxytocin in PWS. RECENT FINDINGS: To date, there have been five clinical trials of oxytocin in PWS. Four of these studies reported that oxytocin improved behaviors. However, each of these studies suffered important limitations that likely influenced the findings. For example, one study did not include a control group. Another study did not statistically analyze the effects of oxytocin on behavior. The final two studies used study-specific measures for which psychometric properties have not been assessed. SUMMARY: Because of these limitations, the most appropriate conclusion to draw from the existing studies is that there is currently no convincing evidence that intranasal oxytocin improves symptoms of PWS. However, this does not mean that oxytocin is not involved in PWS. Rather, it suggests that further work is needed to understand the nature of the PWS oxytocin abnormality. PMID- 29206688 TI - Current developments in the genetics of Rett and Rett-like syndrome. AB - PURPOSE OF REVIEW: This article reviews the current molecular genetic studies, which investigate the genetic causes of Rett syndrome or Rett-like phenotypes without a MECP2 mutation. RECENT FINDINGS: As next generation sequencing becomes broadly available, especially whole exome sequencing is used in clinical diagnosis of the genetic causes of a wide spectrum of intellectual disability, autism, and encephalopathies. Patients who were diagnosed with Rett syndrome or Rett-like syndrome because of their phenotype but were negative for mutations in the MECP2, CDKL5 or FOXG1 genes were subjected to whole exome sequencing and the results of the last few years revealed yet 69 different genes. Many of these genes are involved in epigenetic gene regulation, chromatin shaping, neurotransmitter action or RNA transcription/translation. Genetic data also allows to investigate the individual genetic background of an individual patient, which can modify the severity of a genetic disorder. SUMMARY: We conclude that the Rett syndrome phenotype has a much broader underlying genetic cause and the typical phenotype overlap with other genetic disorders. For proper genetic counselling, patient perspective and treatment it is important to include both phenotype and genetic information. PMID- 29206689 TI - Placental fatty acid transfer. AB - PURPOSE OF REVIEW: This review outlines recent advances in placental lipid transport in relation to maternal metabolic status and pregnancy outcome. A particular focus of this review will be on the way these findings may influence our understanding of placental transfer of the essential fatty acid docosahexaenoic acid (DHA) which is crucial for fetal neurodevelopment and of lipid transfer as a predisposing factor for childhood obesity. RECENT FINDINGS: Placental metabolism may determine the quantity and composition of fatty acids delivered to the fetus. Maternal factors, such as obesity, appear to regulate placental lipid metabolism and may influence fatty acids delivery to the fetus. Although the role of placental metabolism is now recognized, new evidence also suggests important roles for nontraditional fatty acid transporters such as Mfsd2a which facilitates transfer of DHA. SUMMARY: Placental lipid metabolism is likely to be a determinant of placental transfer of fatty acids to the fetus. Maternal conditions, such as obesity, have now been shown to regulate placental lipid metabolism and thus may influence fatty acid transfer and fetal development. However, it is not yet clear how regulation of placental lipid metabolism affects fatty acid delivery to the fetus and its long-term health. PMID- 29206690 TI - Mechanisms regulating brain docosahexaenoic acid uptake: what is the recent evidence? AB - PURPOSE OF REVIEW: To summarize recent advances pertaining to the mechanisms regulating brain docosahexaenoic acid (DHA) uptake. DHA is an omega-3 polyunsaturated fatty acid highly enriched in neuronal membranes and it is implicated in several important neurological processes. However, DHA synthesis is extremely limited within the brain. RECENT FINDINGS: There are two main plasma pools that supply the brain with DHA: the nonesterified pool and the lysophosphatidylcholine (lysoPtdCho) pool. Quantitatively, plasma nonesterified DHA (NE-DHA) is the main contributor to brain DHA. Fatty acid transport protein 1 (FATP1) in addition to fatty acid-binding protein 5 (FABP5) are key players that regulate brain uptake of NE-DHA. However, the plasma half-life of lysoPtdCho-DHA and its brain partition coefficient are higher than those of NE-DHA after intravenous administration. SUMMARY: The mechanisms regulating brain DHA uptake are more complicated than once believed, but recent advances provide some clarity notably by suggesting that FATP1 and FABP5 are key contributors to cellular uptake of DHA at the blood-brain barrier. Elucidating how DHA enters the brain is important as we might be able to identify methods to better deliver DHA to the brain as a potential therapeutic. PMID- 29206691 TI - Comprehensive Review of Skiing and Snowboarding Injuries. AB - Skiing and snowboarding have increased in popularity since the 1960s. Both sports are responsible for a substantial number of musculoskeletal injuries treated annually by orthopaedic surgeons. Specific injury patterns and mechanisms associated with skiing and snowboarding have been identified. No anatomic location is exempt from injury, including the head, spine, pelvis, and upper and lower extremities. In these sports, characteristic injury mechanisms often are related to the position of the limbs during injury, the athlete's expertise level, and equipment design. Controversy exists about the effectiveness of knee bracing and wrist guards in reducing the incidence of these injuries. Understanding these injury patterns, proper training, and the use of injury prevention measures, such as protective equipment, may reduce the overall incidence of these potentially debilitating injuries. PMID- 29206692 TI - Individualizing the care of older heart failure patients. AB - PURPOSE OF REVIEW: The heart failure epidemic is driven mainly by population aging and the improving survival of patients with cardiovascular risk factors. Aging heart failure patients are affected by multiple concurrent comorbidities and geriatric syndromes, the most important of which are frailty and cognitive impairment. The purpose of this review is to provide clinicians with practical advice on how to individualize the care of older heart failure patients. RECENT FINDINGS: Frailty and cognitive impairment are common in older heart failure patients. Frailty is increasingly recognized as a key risk factor for functional decline, health service utilization and mortality in aging heart failure patients. Similarly, cognitive impairment impairs patients' ability for self-care and leads to adverse outcomes. Simple and efficient instruments exist to screen for these conditions. Heart failure patients who are frail or cognitively impaired are best looked after in a disease management setting that is deployed in a more integrated healthcare system with access to specialized geriatric consultants. Optimal care planning requires knowledge of these conditions as well as patient and caregiver engagement. SUMMARY: Frailty and cognitive impairment are central features of the heart failure syndrome in aging patients and should be routinely considered in assessment and care planning. PMID- 29206693 TI - Long-term results of suture annuloplasty for degenerative mitral valve disease: a propensity-matched analysis. AB - AIMS: Ring annuloplasty is the gold standard of surgical repair in degenerative mitral valve disease. However, prosthetic annuloplasty has some drawbacks and potential hazards. Suture annuloplasty theoretically is able to preserve annular leaflet dynamics and left ventricular performance, but experience is limited. The aim of the study was to review the early and long-term outcome of the posterior double-suture annuloplasty (DSA) technique for degenerative mitral valve repair. METHODS: From January 2002 to December 2008, 400 patients underwent primary mitral valve repair for degenerative disease either with posterior DSA [n = 147 (37%)] or with flexible posterior annuloplasty band [n = 253 (63%)]. Differences in patient characteristics were addressed by propensity-score matching (132 pairs). A composite end-point of mitral valve failure (MVF) was calculated as the incidence of mitral valve regurgitation greater than 2+ or need for mitral valve replacement at follow-up. RESULTS: After propensity-score matching, the distribution of preoperative variables among matched pairs was, on average, equal. Isolated annuloplasty and leaflet repair techniques were similarly performed in both groups (P = 0.20). In-hospital mortality was comparable between the two study groups (P = 0.48). Predischarge echocardiography showed excellent results regarding valve hemodynamics (P = 0.71). At a mean follow-up of 11 +/- 3 years, all-cause mortality (P = 0.12), need for mitral valve replacement (P = 0.49), and cardiac re-hospitalization rate (P = 0.57) resulted comparable between the two groups. Ten-year survival (75 vs. 71%, P = 0.51) and freedom from MVF (92 vs. 84%, P = 0.39) were similar between posterior annuloplasty band and DSA groups. CONCLUSION: Suture annuloplasty demonstrated comparable results with posterior flexible band repair and could be a viable option for mitral valve surgery in selected patients, such as in the minimally invasive approach, in endocarditis, and in developing countries. PMID- 29206694 TI - Diagnosis and management of a patient with recurrent variant angina and history of percutaneous coronary intervention: vasospasm and percutaneous coronary intervention. PMID- 29206695 TI - Drug-induced sleep endoscopy: from obscure technique to diagnostic tool for assessment of obstructive sleep apnea for surgical interventions. AB - PURPOSE OF REVIEW: Provide a practical update on drug-induced sleep endoscopy (DISE) for anesthesia providers, which can also serve as a reference for those preparing to establish a DISE program. RECENT FINDINGS: New developments in surgical approaches to OSA and the growing global incidence of the condition have stimulated increased interest and demand for drug-induced sleep endoscopy. New techniques include transoral robotic surgery and hypoglossal nerve stimulation. Recent DISE literature has sought to address numerous debates including relevance of DISE findings to those during physiologic sleep and the most appropriate depth and type of sedation for DISE. Propofol and dexmedetomidine have supplanted midazolam as the drugs of choice for DISE. Techniques based on pharmacokinetic models of propofol are superior to empiric dosing with regard to risk of respiratory compromise and the reliability of dexmedetomidine to achieve adequate conditions for a complete DISE exam is questionable. SUMMARY: The role of DISE in surgical evaluation and planning for treatment of OSA continues to develop. Numerous questions as to the optimal anesthetic approach remain unanswered. Multicenter studies that employ a standardized approach using EEG assessment, pharmacokinetic-pharmacodynamic modelling, and objectively defined clinical endpoints will be helpful. There may be benefit to undertaking DISE studies in non-OSA patients. PMID- 29206696 TI - The perioperative significance of systemic arterial diastolic hypertension in adults. AB - PURPOSE OF REVIEW: Hypertension affects approximately one third of the U.S. population and is the most common preventable medical reason that surgical cases are postponed or cancelled. However, subtypes of hypertension and their perioperative risks are poorly studied and understood. We will review the natural history and pathophysiology of essential hypertension and discuss the perioperative significance of diastolic blood pressure elevation. RECENT FINDINGS: There is evidence that elevated preoperative diastolic blood pressures are associated with an increased perioperative risk of cardiovascular and cerebrovascular events and increased postoperatively 30-day mortality. However, lower preoperative diastolic blood pressures were found, in one study, to be associated with renal injury. SUMMARY: Diastolic hypertension and hypotension both carry perioperative risk. Further study needs to be dedicated to elucidating the risks and developing strategies for acute and chronic management of diastolic blood pressure changes in order to improve perioperative safety. PMID- 29206697 TI - Perioperative pulmonary thromboembolism: current concepts and treatment options. AB - PURPOSE OF REVIEW: Anesthesiologists are familiar with pulmonary emboli prophylaxis paradigms and many have witnessed acute intraoperative embolization. Clinicians must balance conservative anticoagulation and aggressive intervention in perioperative submassive pulmonary emboli, yet the bulk of the literature excludes surgery as a relative contraindication. This review will summarize the current treatment options for acute pulmonary emboli, drawing attention to special considerations in perioperative submassive pulmonary emboli, and discuss right ventricular monitoring to improve assessment of intervention efficacy. RECENT FINDINGS: Recent reviews have identified the elevated risk and inadequacy of treatment of pulmonary embolism in intra and postoperative patients, in part because of the risks of systemic anticoagulation. Early studies of catheter directed therapies have shown promising efficacy with a reduction in bleeding risk, which is especially important for perioperative patients. Success relies on defining endpoints, yet the practice of measuring mean pulmonary artery pressure alone to assess intervention efficacy is flawed. SUMMARY: Identifying submassive pulmonary emboli that requires treatment and optimizing therapy remains difficult. Researchers must consider avoiding systemic anticoagulation and focus on designing trials that evaluate intervention efficacy in surgical patients. The success of catheter-directed therapy in early trials warrants further investigation into using these therapies in the treatment of perioperative submassive pulmonary emboli. PMID- 29206698 TI - Surgery and discontinuation of angiotensin converting enzyme inhibitors: current perspectives. AB - PURPOSE OF REVIEW: The current article reviews the current evidence for continuing or discontinuing angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) during the perioperative period. RECENT FINDINGS: In patients undergoing treatment of hypertension with ACEIs or ARBs, there are both benefits associated with continuing these medications during the perioperative period and higher risk for perioperative hypotension and its complications. SUMMARY: Since the introduction of ACEIs and ARBs into clinical practice, their use during the perioperative period has been controversial. Although these medications increase the risk of serious hypotension immediately after induction and maintenance of anesthesia, their use has numerous benefits, making it reasonable to continue them during perioperative period. PMID- 29206699 TI - Evaluation of antidepressant activity of methanolic extract of Saraca asoca bark in a chronic unpredictable mild stress model. AB - It is well established that chronic exposure to stressful events plays an important role in the etiology of depression. Saraca asoca (Roxb.), De. wild, or Saraca indica, belonging to family Fabaceae, is endogenous to India. The flowers, seeds, bark, and leaves of the plant have been used widely in Ayurveda medicine. The bark extract of S. asoca has shown chemoprotection, myeloprotection, and antioxidant potential. Owing to the above-mentioned properties of the plant, the present study sought to evaluate the effect of a methanolic extract of S. asoca bark in rats exposed to chronic unpredictable mild stress (CUMS) daily for 8 weeks using a forced-swim test, an open-field test, and a sucrose-preference test. The effect of the extract on endogenous antioxidant levels in the brain was also assessed using catalase activity, superoxide dismutase activity, reduced glutathione levels, and malondialdehyde levels in the brain. Male Sprague-Dawley rats received 100 mg/kg (oral) of the extract daily 1 h before daily stress exposure for 8 weeks. The extract showed a significant reduction in the immobility time in the forced-swim test, increased the total number of line crossing, rearing, and grooming in the open-field test, and increased the sucrose consumption as well as the levels of endogenous antioxidants significantly in comparison with the CUMS control group. Therefore, S. asoca might be a useful agent for the treatment or alleviation of symptoms associated with depression possibly by reducing CUMS-induced oxidative stress and reactive oxygen species in the brain. PMID- 29206700 TI - Caregiver anticipatory grief: phenomenology, assessment and clinical interventions. AB - PURPOSE OF REVIEW: This review aims to synthesize recent findings on anticipatory grief in caregivers, referring to its phenomenology, assessment and clinical interventions. RECENT FINDINGS: Recent literature illustrates the wide scope of the current use of the term anticipatory grief, reflecting caregivers' experiences in different end-of-life trajectories. The anticipation of death is the distinctive aspect of anticipatory grief in the predeath grief continuum, encompassing several progressive losses, past and future. Recently developed assessment instruments capture key aspects of this experience, such as separation anxiety, anticipation of death and future absence of the person, denial and relational losses. Recent findings on prevalence of clinically significant predeath symptoms in caregivers range from 12.5 to 38.5%. Beyond personal and relational factors, difficult circumstances of end-of-life care significantly interfere in adjustment to anticipatory grief. Useful therapeutic interventions were identified, such as validation of grief feelings, increased coping and self care, anticipation of future losses and reframing roles. However, rigorous interventional studies are needed to create guidelines and the manualization of specific therapeutic approaches to caregiver anticipatory grief. SUMMARY: Findings suggest that anticipatory grief dynamics in different end-of-life trajectories should be recognized and adequately assessed. Clinical interventions considered useful to support anticipatory grief caregivers are presented, but further research is needed to verify effectiveness. PMID- 29206701 TI - Thirst in heart failure: what do we know so far? AB - PURPOSE OF REVIEW: Thirst is a common and burdensome symptom of heart failure, which impacts adversely on quality of life. To date, there is limited research on the prevalence of thirst, the factors associated with thirst and interventions to help manage thirst in heart failure. This review summarizes key empirical research developments of thirst. RECENT FINDINGS: Recent research shows that the heart failure syndrome, medications, self-care practice such as fluid restriction and anxiety contributes greatly to increased thirst in patients with heart failure. In addition, predictors such as being younger, male patient, with high symptom burden and serum urea is also associated with thirst. There are no intervention studies to manage thirst, only reports of various strategies recommended to heart failure patients in clinical practice. SUMMARY: Despite the burden of thirst in heart failure patients, strategies to relieve thirst remains insufficiently addressed in literature. Further research to improve the understanding of the severity of thirst and its relationship to possible factors associated with thirst is required in order to develop future interventions to either prevent or alleviate troublesome thirst in patients with heart failure. PMID- 29206702 TI - Challenges in clarifying goals of care in patients with advanced heart failure. AB - PURPOSE OF REVIEW: Patients with advanced heart failure require communication about goals of care, yet many challenges exist, leaving it suboptimal. High mortality rates and advances in the use of life-sustaining technology further complicate communication and underscore the urgency to understand and address these challenges. This review highlights current research with a view to informing future research and practice to improve goals of care communication. RECENT FINDINGS: Clinicians view patient and family barriers as more impactful than clinician and system factors in impeding goals of care discussions. Knowledge gaps about life-sustaining technology challenge timely goals of care discussions. Complex, nurse-led interventions that activate patient, clinician and care systems and video-decision aids about life-sustaining technology may reduce barriers and facilitate goals of care communication. SUMMARY: Clinicians require relational skills in facilitating goals of care communication with diverse patients and families with heart failure knowledge gaps, who may be experiencing stress and discord. Future research should explore the dynamics of goals of care communication in real-time from patient, family and clinician perspectives, to inform development of upstream and complex interventions that optimize communication. Further testing of interventions is needed in and across community and hospital settings. PMID- 29206703 TI - Palliative care needs of heart failure patients in China: putting people first. AB - PURPOSE OF REVIEW: Recognizing the rising prevalence of heart failure in China, patients with heart failure have substantial palliative needs. This review highlights recent evidence on the epidemic of heart failure, identifies needs and potential benefit of palliative care in heart failure, and sets future strategic policy and research directions in China. RECENT FINDINGS: Epidemiological studies demonstrate the prevalence of heart failure among women is higher than men in China and increases substantially with age. However, few studies have addressed the palliative needs of Chinese heart failure patients. The main themes from this review include: Healthcare providers should be culturally sensitive whenever assessing symptoms and needs. Locally validated, brief outcome measures are called for to identify symptoms and needs of Chinese heart failure patients. Palliative care should be better integrated into the management of heart failure through increased training for healthcare providers, policy development, financial support, and cultural acceptance of palliative care. SUMMARY: Large scale epidemiological studies are urgently needed to assess the current situation of heart failure in China, alongside interventional studies to drive the development of innovative palliative care services to address the needs of Chinese heart failure patients. PMID- 29206704 TI - Palliative care needs assessment in chronic heart failure. AB - PURPOSE OF REVIEW: The unmet palliative care needs of patients with chronic heart failure (CHF) are well known. Palliative care needs assessment is paramount for timely provision of palliative care. The present review provides an overview of palliative care needs assessment in patients with CHF: the role of prognostic tools, the role of the surprise question, and the role of palliative care needs assessment tools. RECENT FINDINGS: Multiple prognostic tools are available, but offer little guidance for individual patients. The surprise question is a simple tool to create awareness about a limited prognosis, but the reliability in CHF seems less than in oncology and further identification and assessment of palliative care needs is required. Several tools are available to identify palliative care needs. Data about the ability of these tools to facilitate timely initiation of palliative care in CHF are lacking. SUMMARY: Several tools are available aiming to facilitate timely introduction of palliative care. Focus on identification of needs rather than prognosis appears to be more fitting for people with CHF. Future studies are needed to explore whether and to what extent these tools can help in addressing palliative care needs in CHF in a timely manner. PMID- 29206705 TI - Institution of Just Culture Physician Peer Review in an Academic Medical Center. AB - OBJECTIVES: For academic medical centers to improve quality outcomes, identification and optimization of opportunities for improvement are necessary. Effective clinical peer review frequently has limitations on timeliness, transparency, and consideration of system processes related to untoward clinical outcomes. We developed a process to overcome these barriers and capture opportunities for process improvement identified within the clinical peer review system. METHODS: A multidisciplinary committee was formed to evaluate the current process of physician peer review at Magee Womens Hospital of the University of Pittsburgh Medical Center. Evaluation of current peer review triggers, processes, communication, transparency, and actionable outcomes was performed. A new approach was established that incorporated a protected electronic portal to improve communication and provider engagement, as well as initiation of a Just Culture peer review algorithm to realize opportunities for system improvements. RESULTS: The new process has been operative for 2 years. After initiation, the average time necessary for full case review decreased by 66% (6-2 months). Provider engagement and input have increased to 71%, from less than 10% before implementation. Most cases (51%) were identified as having more than one causative factor, with systems issues being the most frequent contributor to untoward outcomes. CONCLUSIONS: Given the recognized benefits, this approach is being considered for implementation on a broader scale within service-line quality initiatives across the University of Pittsburgh Medical Center health system. Although first implemented among faculty, consideration of incorporation into graduate medical education programs is ongoing. PMID- 29206706 TI - Quantifying Dental Office-Originating Adverse Events: The Dental Practice Study Methods. AB - BACKGROUND: Preventable medical errors in hospital settings are the third leading cause of deaths in the United States. However, less is known about harm that occurs in patients in outpatient settings, where the majority of care is delivered. We do not know the likelihood that a patient sitting in a dentist chair will experience harm. Additionally, we do not know if patients of certain race, age, sex, or socioeconomic status disproportionately experience iatrogenic harm. METHODS: We initiated the Dental Practice Study (DPS) with the aim of determining the frequency and types of adverse events (AEs) that occur in dentistry on the basis of retrospective chart audit. This article discusses the 6 month pilot phase of the DPS during which we explored the feasibility and efficiency of our multistaged review process to detect AEs. RESULTS: At sites 1, 2, and 3, respectively, 2 reviewers abstracted 21, 11, and 23 probable AEs, respectively, from the 100 patient charts audited per site. At site 2, a third reviewer audited the same 100 charts and found only 1 additional probable AE. Of the total 56 probable AEs (from 300 charts), the expert panel confirmed 9 AE cases. This equals 3 AEs per 100 patients per year. Patients who experienced an AE tended to be male and older and to have undergone more procedures within the study year. CONCLUSIONS: This article presents an overview of the DPS. It describes the methods used and summarizes the results of its pilot phase. To minimize threats to dental patient safety, a starting point is to understand their basic epidemiology, both in terms of their frequency and the extent to which they affect different populations. PMID- 29206707 TI - Language as Advocacy. PMID- 29206708 TI - Use of a Telehealth System to Enhance a Home Exercise Program for a Person With Parkinson Disease: A Case Report. AB - BACKGROUND AND PURPOSE: This case addresses feasibility of a home-based telehealth system to enhance home exercise program (HEP) adherence for a patient with Parkinson disease (PD). We describe START-System for Technology-Augmented Rehabilitation and Training-and discuss outcomes after integrating START into the HEP component of an established therapy protocol, Lee Silverman Voice Technique BIG (LSVT BIG). CASE DESCRIPTION: The participant was a 67-year-old woman with PD at Hoehn and Yahr Stage II. INTERVENTION: During the first 4 weeks of a 4-month intervention, a physical therapist guided the participant through the LSVT BIG protocol. START was introduced at week 3; the participant was encouraged to complement her daily HEP through the end of the fourth month with START. OUTCOMES: Improvements in gait, endurance, balance confidence, and quality of life were observed from the start of the assessment to the end of month 1. By month 4, the participant maintained or improved with respect to these outcomes. Monitored by START, the rate of adherence to her twice-daily HEP prescription was 24%, but her daily participation rate was 78%. The participant's satisfaction with the START system was high, although autonomous feedback provided by START was a limiting concern. There were no technical issues or adverse events reported. DISCUSSION: This case supports START as a feasible HEP telehealth solution for physical therapy, given that increased long-term exercise adherence may improve health outcomes for people with PD. The outcomes of this case study support further investigation into the use of START for people with PD.Video Abstract available for more insights from the authors (see Video; Supplemental Digital Content 1, http://links.lww.com/JNPT/A192). PMID- 29206710 TI - Academy of Neurologic Physical Therapy 2018 Combined Sections Meeting Platform Presentations: Scheduling & Abstracts: (Searchable Platform Abstracts are published on-line in PDF format at www.JNPT.org). PMID- 29206709 TI - Academy of Neurologic Physical Therapy Programming Combined Sections Meeting 2018: Tuesday, February 20 to Saturday, February 24, 2018 Preliminary Program Schedule. PMID- 29206711 TI - Academy of Neurologic Physical Therapy 2018 Combined Sections Meeting Poster Presentations: (Searchable Poster Abstracts are published on-line in PDF format at www.JNPT.org). PMID- 29206712 TI - Call for Academy of Neurologic Physical Therapy Leadership Nominations. PMID- 29206713 TI - Educating Future Health Care Professionals About Cybercivility: Needs Assessment Study. AB - As misbehaviors online in higher education have been widely addressed in recent research, the discourse on cyberincivility has become a contemporary issue in health professions education. However, studies regarding cybercivility, particularly from an interprofessional education standpoint, are few. This study assessed the knowledge, experience, and perceptions about cyberincivility among students in 4 health care disciplines. Their preferred means of learning about cybercivility and the perceived benefits of such education are also discussed. PMID- 29206714 TI - Expression of GHRH-R, a Potentially Targetable Biomarker, in Triple-negative Breast Cancer. AB - PURPOSE: Growth hormone-releasing hormone (GHRH) has been shown to modify the growth behavior of many cancers, including breast. GHRH is produced by tumor cells, acts in an autocrine/paracrine manner, and requires the presence of GHRH receptor (GHRH-R) on the tumor cells to exert its effects. GHRH activity can be effectively blocked by synthetic antagonists of its receptor and hence, the expression of GHRH-R by tumor cells could serve as a predictor of response to GHRH-R antagonist therapy. In this study, we investigated the expression of GHRH R in triple-negative breast cancers (TNBC). As TNBCs are morphologically and immunophenotypically heterogenous, the staining results were also correlated with the histologic subtypes of these tumors. MATERIALS AND METHODS: On the basis of histomorphology and immunophenotype, 134 cases of primary TNBCs were further subdivided into medullary, metaplastic, apocrine, and invasive ductal carcinomas of no special type (IDC-NST). Immunohistochemistry for GHRH-R was performed on paraffin sections and the staining results were assessed semiquantitatively as negative, low expression, moderate, and high expression. RESULTS: Of the 134 TNBCs, 85 were classified as IDC-NST, 25 as metaplastic, 16 as medullary, and 8 as apocrine carcinoma. Overall, positive reaction for GHRH-R was seen in 77 (57%) of tumors including 66 (77.6%) of IDC-NST. All medullary carcinomas were negative for GHRH-R and, with the exception of 1 case with low expression, none of the metaplastic carcinomas expressed GHRH-R (P<0.005). CONCLUSIONS: A considerable number of TNBCs are positive for GHRH-R as a predictor of potential response to anti-GHRH-R treatment. This expression however, varies considerably between histologic subtypes of triple-negative breast cancers. Although most medullary and metaplastic carcinomas do not express GHRH-R, three fourths of the IDC-NST show a positive reaction. Testing for GHRH-R expression is therefore advisable if anti-GHRH-R therapy is being considered. PMID- 29206715 TI - SP174 Antibody Lacks Specificity for NRAS Q61R and Cross-Reacts With HRAS and KRAS Q61R Mutant Proteins in Malignant Melanoma. AB - HRAS, KRAS, and NRAS, highly homologous proteins, are often mutationally activated in cancer. Usually, mutations cluster in codons 12, 13, and 61 and are detected by molecular genetic testing of tumor DNA. Recently, immunohistochemistry with SP174 antibody has been introduced to detect NRAS Q61R mutant protein. Studies on malignant melanomas showed that such an approach could be a viable alternative to molecular genetic testing. This investigation was undertaken to evaluate the value of SP174 immunohistochemistry for detection of NRAS Q61R-mutant isoform. Two hundred ninety-two malignant melanomas were evaluated using Leica Bond-Max automated immunostainer. Twenty-nine tumors (10%) showed positive immunoreactivity. NRAS codon 61 was polymerase chain reaction amplified and sequenced in 24 positive and 92 negative cases using Sanger sequencing, quantitative polymerase chain reaction, and next-generation sequencing approaches. A c.182A>G substitution leading to NRAS Q61R mutation was identified in 22 tumors. Two NRAS wild-type tumors revealed c.182A>G substitutions in HRAS and KRAS codon 61, respectively. Both mutations were detected by next-generation sequencing and independently confirmed by Sanger sequencing. None of 85 NRAS codon 61 wild-type tumors and 7 NRAS mutants other than Q61R showed immunoreactivity with SP174 antibody. Thus, SP174 antibody was 100% sensitive in detecting NRAS Q61R-mutant isoform in malignant melanoma, but not fully specific as it cross-reacted with HRAS and KRAS Q61R-mutant proteins. Therefore, molecular testing is needed to determine which RAS gene is mutated. The rarity of HRAS and KRAS Q61R mutants in malignant melanoma let previous investigations erroneously conclude that SP174 is specific for NRAS Q61R-mutant protein. PMID- 29206716 TI - Primary Epithelioid Angiosarcoma of Finger Masquerading as Epithelioid Hemangioma: Report of a Case and Analysis of Mutational Pattern in Epithelioid Hemangiomas and Angiosarcomas by Next-generation Sequencing. AB - AIMS: We report an unusual case of epithelioid angiosarcoma (AS) mimicking an epithelioid hemangioma (EH) and analyze mutational patterns in EHs and ASs. METHODS AND RESULTS: A 58-year-old woman presented with a finger lump and metastatic lung nodules. Initial needle biopsies showed an EH, with only focal atypical histologic features. The patient underwent finger amputation and resection of lung nodules. The amputation specimen and lung nodules revealed features of AS. Fluorescence in situ hybridization for FOS and FOSB gene rearrangements were negative in the primary tumor as well as in the lung metastasis. Intrigued by the unique morphologic features of an AS masquerading as an EH, we expanded our study by analyzing mutations in EHs versus ASs using a targeted next-generation sequencing of 50 cancer-related genes. Seven EHs and 6 ASs including the present case were subjected to mutation analysis using the Ion AmpliSeq Cancer Hotspot Panel v2 assay of 50 cancer-related genes. The present case lacked mutation. Novel somatic variants were detected in 2 of 7 EHs and 1 of 6 ASs. Sorting intolerant from tolerant and polymorphism phenotyping analysis revealed benign/tolerated and deleterious variants in both tumor types. Deleterious variants TP53 c.707T>C (p.Tyr236Cys), FLT3 c.1995C>T (p.Met665Ile), and SMO c.1919C>T (p.Thr640Ile) were detected in EH, while AS revealed deleterious variant PTPN11 c.226G>A (p.Glu76Lys). CONCLUSIONS: We present an epithelioid AS mimicking EH. We report novel somatic variants in EHs and AS. Benign variants may not be associated with development of these tumors. Whereas, deleterious variants, especially PTPN11 c.226G>A, may be linked to tumorigenesis of AS. PMID- 29206717 TI - Targets and Receptor of Sexual Transmission of Zika Virus. PMID- 29206718 TI - Imaging of Exudative Age-Related Macular Degeneration: Toward a Shift in the Diagnostic Paradigm? PMID- 29206719 TI - Trends in Urodynamic Procedures, Surgical Procedures, and Overall Health Resource Utilization in the Adult Taiwanese Population With Urinary Incontinence: A Secondary Data Analysis. AB - BACKGROUND: The prevalence and incidence of the main risk factors for urinary incontinence (UI) have both increased over time. In addition, official statistics indicate that Taiwan is on course to evolve from an aging society into an aged society within the next decade. However, most of the studies in the literature that address the natural history of UI target Western and other non-Asian populations. Taiwan lacks knowledge of the natural history of UI. PURPOSE: The aims of this research were to study the trends in the use of urodynamic and surgical procedures for various subtypes of UI and to investigate the relationship between UI and healthcare resource utilization. METHODS: The data on 1 million, randomly selected people who were enrolled in the Taiwan National Health Insurance program between 2000 and 2008 were extracted from the Longitudinal Health Insurance Database. The population and all procedures were identified based on the International Classification of Disease, Ninth Revision, Clinical Modification codes. Annual incidence of UI was calculated on an annual basis, and trend analysis was performed using logistic regression models. The association between UI and healthcare utilization was examined using generalized linear models in a gamma distribution with a log link function. RESULTS: Overall, the trend in the annual incidence for all types of UI increased significantly (p < .01). Significantly increasing trends in the use of urodynamic procedures over time were observed for mixed and other types of UI (p < .01). In addition, a significantly increasing trend was observed in the annual rates of surgical procedures that were received by patients with urge or stress UI (p < .05). Patients with UI showed significantly higher healthcare resource utilization, including number of ambulatory visits, number of hospitalizations, average ambulatory care expenditures, and average days of hospitalization, than those without UI. However, limited information is available on the conservative treatment of UI in the database. CONCLUSIONS: UI symptoms may lead to increased healthcare resource utilization in patients with UI. PMID- 29206720 TI - Recruitment of Female Sex Workers in HIV Prevention Trials: Can Efficacy Endpoints Be Reached More Efficiently? AB - BACKGROUND/SETTING: Randomized controlled trials (RCTs) of HIV biomedical prevention interventions often enroll participants with varying levels of HIV exposure, including people never exposed to HIV. We assessed whether enrolling larger proportion of participants with consistently high exposure to HIV, such as female sex workers (FSWs), might reduce trial duration and improve the accuracy of product efficacy estimates in future HIV prevention trials. METHODS: We used an individual-based stochastic model to simulate event-driven RCTs of an HIV prevention intervention providing 80% reduction in susceptibility per act under different proportions of FSW enrolled. A 5% annual dropout rate was assumed for both FSW and non-FSW in our main scenario, but rates of up to 50% for FSW were also explored. RESULTS: Enrolling 20% and 50% FSW reduced the median-simulated trial duration from 30 months with 0% FSW enrolled to 22 months and 17 months, respectively. Estimated efficacy increased from 71% for RCTs without FSW to 74% and 76% for RCTs with 20% and 50% FSW enrolled, respectively. Increasing the FSW dropout rate to 50% increased the duration of RCTs by 1-2 months on average and preserved the gain in estimated efficacy. CONCLUSIONS: Despite the potential logistical challenges of recruiting and retaining FSW, trialists should revisit the idea of enrolling FSW in settings where HIV incidence among FSW is higher than among non-FSW. Our analysis suggests that enrolling FSW would increase HIV incidence, reduce trial duration, and improve efficacy estimates, even if the annual dropout rate among FSW participants is high. PMID- 29206721 TI - Viral Drug Resistance Through 48 Weeks, in a Phase 2b, Randomized, Controlled Trial of the HIV-1 Attachment Inhibitor Prodrug, Fostemsavir. AB - BACKGROUND: Fostemsavir is a prodrug of temsavir, an attachment inhibitor that binds to HIV-1 gp120, blocking viral attachment to host CD4 T-cells. The phase 2b trial AI438011 investigated the safety, efficacy, and dose-response of fostemsavir vs ritonavir-boosted atazanavir (ATV/r) in treatment-experienced, HIV 1-infected subjects. METHODS: Two hundred fifty-one treatment-experienced subjects with baseline (BL) susceptibility to study drugs [temsavir half-maximal inhibitory concentration (IC50) <100 nM, PhenoSense Entry assay] received fostemsavir or ATV/r, each with tenofovir disoproxil fumarate + raltegravir. Subjects meeting resistance-testing criteria were assessed for emergent viral drug resistance. Changes in temsavir IC50 from BL was given a conservative technical cutoff (>3-fold increase). RESULTS: 66/200 fostemsavir and 14/51 ATV/r subjects had resistance testing performed; 44/66 and 9/14 were successfully tested using the PhenoSense GT assay. No subjects had emergent tenofovir disoproxil fumarate or ATV resistance. Six fostemsavir-treated subjects developed emergent raltegravir resistance. 29/66 fostemsavir-treated subjects had an evaluable phenotype using PhenoSense Entry (which tests for viral susceptibility to temsavir) and 13/29 exhibited >3-fold increase in temsavir IC50 from BL. gp120 population sequencing was successful in 11/13 subjects and 7 had emergent substitutions in gp120 associated with reduced temsavir susceptibility (S375, M426, or M434). However, 5/13 fostemsavir-treated subjects achieved subsequent suppression to <50 copies/mL before the week 48 database lock, regardless of key gp120 substitutions. CONCLUSIONS: Response rates remained similar across study arms regardless of BL nucleoside reverse transcriptase inhibitor, nonnucleoside reverse transcriptase inhibitor, and protease inhibitor resistance-associated mutations. Emergent changes in viral susceptibility occurred more frequently with fostemsavir compared with ATV/r. However, the full impact of temsavir IC50 changes and emergent HIV-1 gp120 substitutions, and thus appropriate clinical cutoffs, requires further study. Fostemsavir is being evaluated in a phase 3 trial in heavily treatment-experienced subjects. PMID- 29206722 TI - Rapid Serological Tests Ineffectively Screen for HIV Exposure in HIV-Positive Infants. AB - BACKGROUND: Data on the performance and utility of rapid serological tests in infants to determine HIV exposure are unclear and in some instances contradictory. This study sought to understand the performance of rapid serological tests in high HIV burden, high Option B+ coverage settings to be used as an HIV exposure screening tool. METHODS: A total of 3600 infants up to 24 months of age at 4 regional hospitals in Uganda were systematically enrolled and tested simultaneously using both HIV rapid serological and nucleic acid-based tests. RESULTS: Only 58 of the 94 HIV-positive infants who received both rapid serological and nucleic acid-based tests were positive with the rapid serological test (sensitivity: 61.7%; 95% confidence interval: 51.1 to 71.5). Using rapid serological tests to screen infants for exposure to HIV and follow-up nucleic acid-based testing would have missed 38.3% (36 of 94) of HIV-positive infants. Finally, several HIV-positive infants who were negative by rapid serological test presented to well-child entry points and were considered healthy. All 3 HIV positive infants presenting to outreach and immunization were negative by rapid serological testing and 73% (8 of 11) presenting to outpatient. CONCLUSIONS: These data suggest that the use of rapid serological tests may have inadequate performance as an indicator of exposure and potential HIV infection among infants presenting at both well-child (immunization and community outreach) and sick infant (nutrition and inpatient) entry points. To improve the identification of HIV-positive infants, nucleic acid-based testing should instead be considered in infants aged younger than 18 months. PMID- 29206723 TI - Brief Report: Assessing the Association Between Changing NRTIs When Initiating Second-Line ART and Treatment Outcomes. AB - BACKGROUND: After first-line antiretroviral therapy failure, the importance of change in nucleoside reverse transcriptase inhibitor (NRTI) in second line is uncertain due to the high potency of protease inhibitors used in second line. SETTING: We used clinical data from 6290 adult patients in South Africa and Zambia from the International Epidemiologic Databases to Evaluate AIDS (IeDEA) Southern Africa cohort. METHODS: We included patients who initiated on standard first-line antiretroviral therapy and had evidence of first-line failure. We used propensity score-adjusted Cox proportional-hazards models to evaluate the impact of change in NRTI on second-line failure compared with remaining on the same NRTI in second line. In South Africa, where viral load monitoring was available, treatment failure was defined as 2 consecutive viral loads >1000 copies/mL. In Zambia, it was defined as 2 consecutive CD4 counts <100 cells/mm. RESULTS: Among patients in South Africa initiated on zidovudine (AZT), the adjusted hazard ratio for second-line virologic failure was 0.25 (95% confidence interval: 0.11 to 0.57) for those switching to tenofovir (TDF) vs. remaining on AZT. Among patients in South Africa initiated on TDF, switching to AZT in second line was associated with reduced second-line failure (adjusted hazard ratio = 0.35 [95% confidence interval: 0.13 to 0.96]). In Zambia, where viral load monitoring was not available, results were less conclusive. CONCLUSIONS: Changing NRTI in second line was associated with better clinical outcomes in South Africa. Additional clinical trial research regarding second-line NRTI choices for patients initiated on TDF or with contraindications to specific NRTIs is needed. PMID- 29206725 TI - Time of Day When Type 1 Diabetes Patients With Eating Disorder Symptoms Most Commonly Restrict Insulin. AB - OBJECTIVE: Restricting insulin to lose weight is a significant problem in the clinical management of type 1 diabetes (T1D). Little is known about this behavior or how to effectively intervene. Identifying when insulin restriction occurs could allow clinicians to target typical high-risk times or formulate hypotheses regarding factors that influence this behavior. The current study investigated the frequency of insulin restriction by time of day. METHODS: Fifty-nine adults with T1D and eating disorder symptoms completed 72 hours of real-time reporting of eating and insulin dosing with continuous glucose monitoring. We used a generalized estimating equation model to test the global hypothesis that frequency of insulin restriction (defined as not taking enough insulin to cover food consumed) varied by time of day, and examined frequency of insulin restriction by hour. We also examined whether patterns of insulin restriction for 72 hours corresponded with patients' interview reports of insulin restriction for the past 28 days. RESULTS: Frequency of insulin restriction varied as a function of time (p = .016). Insulin restriction was the least likely in the morning hours (6:00-8:59 AM), averaging 6% of the meals/snacks consumed. Insulin restriction was more common in the late afternoon (3:00-5:59 PM), peaking at 29%. Insulin was restricted for 32% of the meals/snacks eaten overnight (excluding for hypoglycemia); however, overnight eating was rare. Insulin restriction was associated with higher 120-minute postprandial blood glucose (difference = 44.4 mg/dL, 95% confidence interval = 22.7-68.5, p < .001) and overall poorer metabolic control (r = 0.43-0.62, p's < .01). Patients reported restricting insulin for a greater percentage of meals and snacks for the past 28 days than during the 72 hour real-time assessment; however, the reports were correlated (Spearman's rho = 0.46, p < .001) and accounted for similar variance in HbA1c (34% versus 35%, respectively). CONCLUSIONS: Findings suggest that insulin restriction may be less likely in the morning, and that late afternoon is a potentially important time for additional therapeutic support. Results also suggest that systematic clinical assessment and treatment of overnight eating might improve T1D management. PMID- 29206726 TI - Standardization of Pediatric Interfacility Transport Handover: Measuring the Development of a Shared Mental Model. AB - OBJECTIVES: To determine if standardization of pediatric interfacility transport handover is associated with the development of a prototypical shared mental model between healthcare providers. DESIGN: A single center, prepost, retrospective cohort study. SETTINGS: A 259-bed, tertiary care, pediatric referral center. PATIENTS: Children 0 to 18 years old transferred to our critical care units or emergency center from October 2016 to February 2017. INTERVENTIONS: Standardization of interfacility handover using a multidisciplinary checklist, didactic teaching, and simulation conducted midway through the study period. MEASUREMENTS AND MAIN RESULTS: The primary outcome was a shared mental model index defined as percent congruence among handover participants regarding key patient healthcare data including patient identification, diagnoses, transport interventions, immediate postadmission care plans, and anticipatory guidance for ongoing care. Secondary outcomes were handover comprehensiveness and teaming metrics such as efficiency, attendance, interruption frequency, and team member inclusion. During the study period, 100 transport handovers were observed of which 50 were preintervention and 50 post. A majority of handovers represented transfers to the emergency center (41%) or PICU (45%). There were no observable differences between prepost intervention cohorts by general characteristics, admission diagnoses, or severity of illness metrics including Pediatric Index of Mortality-3-Risk of Mortality, length of stay, mortality, frequency of invasive and noninvasive ventilation, and vasoactive use. The shared mental model index increased from 38% to 78% following standardization of handover. Attendance (76% vs 94%), punctuality (91.5% vs 98%), attention (82% vs 92%), summarization (42% vs 72%), and provision of anticipatory guidance (42% vs 58%) also improved. Efficiency was unchanged with a mean handover duration of 4 minutes in both cohorts. CONCLUSIONS: Considerable enhancements in handover quality, team participation, and the development of a shared mental model after standardization of interfacility transport handover were noted. These findings were achieved without compromising handover efficiency. PMID- 29206724 TI - Impact of Racial Discrimination and Hostility on Adrenergic Receptor Responsiveness in African American Adults. AB - OBJECTIVE: Racial discrimination is increasingly recognized as a contributor to increased cardiovascular disease (CVD) risk among African Americans. Previous research has shown significant overlap between racial discrimination and hostility, an established predictor of CVD risk including alterations in adrenergic receptor functioning. The present study examined the associations of racial discrimination and hostility with adrenergic receptor responsiveness. METHODS: In a sample (N = 57) of young to middle-aged African American adults (51% female) with normal and mildly elevated blood pressure, a standardized isoproterenol sensitivity test (CD25) was used to evaluate beta-AR responsiveness, whereas the dose of phenylephrine required to increase mean arterial pressure by 25 mm Hg (PD25) was used to assess alpha1-AR responsiveness. Racial discrimination was measured using the Perceived Racism Scale and hostility was assessed using the Cook-Medley Hostility Scale. RESULTS: In hierarchical regression models, greater racial discrimination, but not hostility, emerged as a significant predictor of decreased beta-adrenergic receptor responsiveness (beta = .38, p = .004). However, moderation analysis revealed that the association between racial discrimination and blunted beta-adrenergic receptor responsiveness was strongest among those with higher hostility (beta = .49, 95% confidence interval = .17-.82, p = .004). In addition, hostility, but not racial discrimination, significantly predicted alpha1-AR responsiveness. CONCLUSIONS: These findings suggest racial discrimination was associated with blunted beta adrenergic receptor responsiveness, providing further evidence of the potential contribution of racial discrimination to increased CVD risk among African Americans. The adverse effects of discrimination on cardiovascular health may be enhanced in individuals with higher levels of hostility. PMID- 29206727 TI - Assessment of Myocardial Function and Injury by Echocardiography and Cardiac Biomarkers in African Children With Severe Plasmodium falciparum Malaria. AB - OBJECTIVES: Perturbed hemodynamic function complicates severe malaria. The Fluid Expansion as Supportive Therapy trial demonstrated that fluid resuscitation, involving children with severe malaria, was associated with increased mortality, primarily due to cardiovascular collapse, suggesting that myocardial dysfunction may have a role. The aim of this study was to characterize cardiac function in children with severe malaria. DESIGN: A prospective observational study with clinical, laboratory, and echocardiographic data collected at presentation (T0) and 24 hours (T1) in children with severe malaria. Cardiac index and ejection fraction were calculated at T0 and T1. Cardiac troponin I and brain natriuretic peptide were measured at T0. We compared clinical and echocardiographic variables in children with and without severe malarial anemia (hemoglobin < 5 mg/dL) at T0 and T1. SETTING: Mbale Regional Referral Hospital. PATIENTS: Children 3 months to 12 years old with severe falciparum malaria. INTERVENTIONS: Usual care. MEASUREMENTS AND MAIN RESULTS: We enrolled 104 children, median age 23.3 months, including 61 children with severe malarial anemia. Cardiac troponin I levels were elevated (> 0.1 ng/mL) in n equals to 50, (48%), and median brain natriuretic peptide was within normal range (69.1 pg/mL; interquartile range, 48.4-90.8). At T0, median Cardiac index was significantly higher in the severe malarial anemia versus nonsevere malarial anemia group (6.89 vs 5.28 L/min/m) (p = 0.001), which normalized in both groups at T1 (5.60 vs 5.13 L/min/m) (p = 0.452). Cardiac index negatively correlated with hemoglobin, r equals to -0.380 (p < 0.001). Four patients (3.8%) had evidence of depressed cardiac systolic function (ejection fraction < 45%). Overall, six children died, none developed pulmonary edema, biventricular failure, or required diuretic treatment. CONCLUSIONS: Elevation of cardiac index, due to increased stroke volume, in severe malaria is a physiologic response to circulatory compromise and correlates with anemia. Following whole blood transfusion and antimalarial therapy, cardiac index in severe malarial anemia returns to normal. The majority (> 96%) of children with severe malaria have preserved myocardial systolic function. Although there is evidence for myocardial injury (elevated cardiac troponin I), this does not correlate with cardiac dysfunction. PMID- 29206728 TI - Distributions and Behavior of Vital Signs in Critically Ill Children by Admission Diagnosis. AB - OBJECTIVES: Define the distributions of heart rate and intraarterial blood pressure in children at admission to an ICU based on admission diagnosis and examine trends in these physiologic signs over 72 hours from admission (or to discharge if earlier). DESIGN: A retrospective analysis of continuously acquired signals. SETTING: A quaternary and primary referral children's hospital with a general PICU and cardiac critical care unit. PATIENTS: One thousand two hundred eighty-nine patients less than 18 years old were analyzed. Data from individual patient admissions were divided into 19 groups by primary admission diagnosis or surgical procedure. INTERVENTIONS: None. MEASUREMENT AND MAIN RESULTS: Distributions at admission are dependent on patient age and admission diagnosis (p < 10). Heart rate decreases over time, whereas arterial blood pressure is relatively stable, with differences seen in the directions and magnitude of these trends when analyzed by diagnosis group (p < 10). Multiple linear regression analysis shows that patient age, diagnosis group, and physiologic vital sign value at admission explain 50-63% of the variation observed for that physiologic signal at 72 hours (or at discharge if earlier) with admission value having the greatest influence. Furthermore, the variance of either heart rate or arterial blood pressure for the individual patient is smaller than the variance measured at the level of the group of patients with the same diagnosis. CONCLUSIONS: This is the first study reporting distributions of continuously measured physiologic variables and trends in their behavior according to admission diagnosis in critically ill children. Differences detected between and within diagnostic groups may aid in earlier recognition of outliers as well as allowing refinement of patient monitoring strategies. PMID- 29206730 TI - Understanding the Impact of Fluid Restriction on Growth Outcomes in Infants Following Cardiac Surgery. AB - OBJECTIVE: Fluid restriction is reported to be a barrier in providing adequate nutrition following cardiac surgery. The specific aim of this study was to evaluate the adequacy of nutritional intake during the postoperative period using anthropometrics by comparing preoperative weight status, as measured by weight for-age z scores, to weight status at discharge home. DESIGN: Prospective cohort study. SETTING: Cardiac ICU at Miami Children's Hospital. PATIENTS: Infants from birth to 12 months old who were scheduled for cardiac surgery at Miami Children's Hospital between December 2013 and September 2014 were followed during the postoperative stay. INTERVENTIONS: Observational study. MEASUREMENTS AND MAIN RESULTS: Preoperative and discharge weight-for-age z scores were analyzed. The Risk Adjustment for Congenital Heart Surgery 1 categories were obtained to account for the individual complexity of each case. In patients who had preoperative and discharge weights available (n = 40), the mean preoperative weight-for-age z score was -1.3 +/- 1.43 and the mean weight-for-age z score at hospital discharge was -1.89 +/- 1.35 with a mean difference of 0.58 +/- 0.5 (p < 0.001). A higher Risk Adjustment for Congenital Heart Surgery 1 category was correlated with a greater decrease in weight-for-age z scores (r = -0.597; p = 0.002). CONCLUSIONS: Nutritional status during the postoperative period was found inadequate through the use of objective anthropometric measures and by comparing them with normal growth curves. Increase in surgical risk categories predicted a greater decrease in weight-for-age z scores. The development of future protocols for nutritional intervention should consider surgical risk categories. PMID- 29206729 TI - Extracorporeal Cardiopulmonary Resuscitation in the Pediatric Cardiac Population: In Search of a Standard of Care. AB - OBJECTIVES: Although clinical and pharmacologic guidelines exist for the practice of cardiopulmonary resuscitation in children (Pediatric Advanced Life Support), the practice of extracorporeal cardiopulmonary resuscitation in pediatric cardiac patients remains without universally accepted standards. We aim to explore variation in extracorporeal cardiopulmonary resuscitation procedures by surveying clinicians who care for this high-risk patient population. DESIGN: A 28-item cross-sectional survey was distributed via a web-based platform to clinicians focusing on cardiopulmonary resuscitation practices and extracorporeal membrane oxygenation team dynamics immediately prior to extracorporeal membrane oxygenation cannulation. SETTINGS: Pediatric hospitals providing extracorporeal mechanical support services to patients with congenital and/or acquired heart disease. SUBJECTS: Critical care/cardiology specialist physicians, cardiothoracic surgeons, advanced practice nurse practitioners, respiratory therapists, and extracorporeal membrane oxygenation specialists. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Survey web links were distributed over a 2-month period with critical care and/or cardiology physicians comprising the majority of respondents (75%). Nearly all respondents practice at academic/teaching institutions (97%), 89% were from U.S./Canadian institutions and 56% reported less than 10 years of clinical experience. During extracorporeal cardiopulmonary resuscitation, a majority of respondents reported adherence to guideline recommendations for epinephrine bolus dosing (64%). Conversely, 19% reported using only one to three epinephrine bolus doses regardless of extracorporeal cardiopulmonary resuscitation duration. Inotropic support is held after extracorporeal membrane oxygenation cannulation "most of the time" by 58% of respondents and 94% report using afterload reducing/antihypertensive agents "some" to "most of the time" after achieving full extracorporeal membrane oxygenation support. Interruptions in chest compressions are common during active cannulation according to 77% of respondents. CONCLUSIONS: The results of this survey identify wide variability in resuscitative practices during extracorporeal cardiopulmonary resuscitation in the pediatric cardiac population. The deviations from established Pediatric Advanced Life Support CPR guidelines support a call for further inquiry into the pharmacologic and logistical care surrounding extracorporeal cardiopulmonary resuscitation. PMID- 29206732 TI - Enteral Feeding in Children on Noninvasive Ventilation Is Feasible, but Clinicians Remain Fearful. PMID- 29206731 TI - Enteral Feeding Practices in Infants With Congenital Heart Disease Across European PICUs: A European Society of Pediatric and Neonatal Intensive Care Survey. AB - OBJECTIVES: To describe enteral feeding practices in pre and postoperative infants with congenital heart disease in European PICUs. DESIGN: Cross-sectional electronic survey. SETTING: European PICUs that admit infants with congenital heart disease pre- and postoperatively. PARTICIPANTS: One senior PICU physician or designated person per unit. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Fifty-nine PICUs from 18 European countries responded to the survey. PICU physicians were involved in the nutritional care of children with congenital heart disease in most (76%) PICUs, but less than 60% of units had a dedicated dietician. Infants with congenital heart disease were routinely fed preoperatively in only 63% of the PICUs, due to ongoing concerns around prostaglandin E1 infusion, the presence of umbilical venous and/or arterial catheters, and the use of vasoactive drugs. In three quarters of the PICUs (76%), infants were routinely fed during the first 24 hours postoperatively. Units cited, the most common feeding method, both pre and postoperatively, was intermittent bolus feeds via the gastric route. Importantly, 69% of European PICUs still did not have written guidelines for feeding, but this varied for pre and postoperative patients. CONCLUSIONS: Wide variations in practices exist in the nutritional care between European PICUs, which reflects the absence of local protocols and scientific society-endorsed guidelines. This is likely to contribute to suboptimal energy delivery in this particularly vulnerable group. PMID- 29206733 TI - Is the ICU a Risk Factor for Future Asthma Readmissions? PMID- 29206734 TI - Viral Bronchiolitis in PICUs: Looking Further Than the Acute Phase! PMID- 29206735 TI - The Most Vulnerable SPROUTs: Severe Sepsis in the Pediatric Hematopoietic Cell Transplantation Population. PMID- 29206736 TI - Fluid Overload and Extracorporeal Membrane Oxygenation: Is Renal Replacement Therapy a Buoy or an Anchor? PMID- 29206737 TI - Piperacillin-Tazobactam Plus Vancomycin Equals Acute Kidney Injury: Does It Add Up? PMID- 29206738 TI - Communication of Risk and Benefit. PMID- 29206739 TI - The Quest to Preserve Muscle Mass-Lessons From Pediatric Burn Injury. PMID- 29206740 TI - Healthcare in the PICU May Be More Complicated Than We Thought-Who Knew? PMID- 29206741 TI - Assessing Cardiac Surgery-Associated Acute Kidney Injury in Pediatric Patients. PMID- 29206742 TI - The authors reply. PMID- 29206743 TI - Can Serum Neutrophil Gelatinase-Associated Lipocalin Be Precisely Used as a Diagnostic Marker of Sepsis in Pediatric Cases? PMID- 29206744 TI - Detectable Concentrations of Inhaled Tobramycin in Critically Ill Children Without Cystic Fibrosis: Should Routine Monitoring Be Recommended? AB - OBJECTIVES: To determine the percentage of detectable tobramycin troughs and acute kidney injury in critically ill children without cystic fibrosis on inhaled therapy. DESIGN: Historic cohort. SETTING: Academic hospital. PATIENTS: Forty children less than 18 years receiving inhaled tobramycin across 6.5 years. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: The primary objective was to determine the percentage of detectable tobramycin troughs greater than or equal to 0.5 ug/mL. Secondary objectives included a comparison of acute kidney injury in children with and without detectable troughs. Twenty-two (55%) had trough concentrations obtained. Ten of these (45.5%) had detectable concentrations, with a median of 0.85 ug/mL (interquartile range, 0.5-2.0). There was no statistical significance between the detectable and nondetectable groups in age, gender, and method of administration. However, patients in the detectable group tended to be younger than nondetectable group and more likely to have a tracheotomy. There was a clinically significant decrease in estimated glomerular filtration rate in the detectable trough group. CONCLUSIONS: Detectable troughs were noted in almost half of patients with concentrations obtained. A clinically significant decrease in estimated glomerular filtration rate was noted in patients with detectable concentrations. Continued work should be directed to better understand outcomes and monitoring in children requiring inhaled tobramycin. PMID- 29206745 TI - Cardiosphere-Derived Cells and Ischemic Heart Failure. AB - After a myocardial infarction, heart tissue becomes irreversibly damaged, leading to scar formation and inevitably ischemic heart failure. Of the many available interventions after a myocardial infarction, such as percutaneous intervention or pharmacological optimization, none can reverse the ischemic insult on the heart and restore cardiac function. Thus, the only available cure for patients with scarred myocardium is allogeneic heart transplantation, which comes with extensive costs, risks, and complications. However, multiple studies have shown that the heart is, in fact, not an end-stage organ and that there are endogenous mechanisms in place that have the potential to spark regeneration. Stem cell therapy has emerged as a potential tool to tap into and activate this endogenous framework. Particularly promising are stem cells derived from cardiac tissue itself, referred to as cardiosphere-derived cells (CDCs). CDCs can be extracted and isolated from the patient's myocardium and then administered by intramyocardial injection or intracoronary infusion. After early success in the animal model, multiple clinical trials have demonstrated the safety and efficacy of autologous CDC therapy in humans. Clinical trials with allogeneic CDCs showed early promising results and pose a potential "off-the-shelf" therapy for patients in the acute setting after a myocardial infarction. The mechanism responsible for CDC-induced cardiac regeneration seems to be a combination of triggering native cardiomyocyte proliferation and recruitment of endogenous progenitor cells, which most prominently occurs via paracrine effects. A further understanding of the mediators involved in paracrine signaling can help with the development of a stem cell-free therapy, with all the benefits and none of the associated complications. PMID- 29206746 TI - Mitral Valve and Subvalvular Repair for Secondary Mitral Regurgitation: Rationale and Clinical Outcomes of the Papillary Muscle Sling. AB - Secondary mitral regurgitation (MR) is a common finding in patients with dilated cardiomyopathy, and it is associated with poor outcomes. It is the result of incomplete systolic closure of the mitral valve (MV) as a consequence of left ventricular dilatation, papillary muscle displacement with impaired systolic shortening, and mitral leaflet tethering. MV surgery may be performed in cases of significant secondary MR despite guideline-directed medical therapy. However, MV repair, which is most commonly performed with an undersized ring annuloplasty, is associated with a 30-60% recurrence of moderate or greater MR at mid-term follow up. To improve MV repair durability, several adjunctive subvalvular procedures have been proposed, one of which is the addition of papillary muscle approximation utilizing a papillary muscle sling. Recent studies comparing the outcomes of a conventional undersized ring annuloplasty with a MV repair utilizing a papillary muscle sling have reported a significant reduction in recurrent moderate or severe MR, greater left ventricular reverse remodeling, and improved MV apparatus geometry with the addition of the papillary muscle sling. We present a comprehensive review of the pathophysiology of secondary MR, and the rationale and clinical outcomes of MV repair with papillary muscle sling placement for the treatment of secondary MR. PMID- 29206747 TI - Safety and Efficacy of Atazanavir Powder and Ritonavir in HIV-1-Infected Infants and Children From 3 Months to <11 Years of Age: The PRINCE-2 Study. AB - BACKGROUND: Novel antiretroviral formulations that are palatable, safe, and effective are needed for infants and children. METHODS: PRINCE-2 is an ongoing clinical trial assessing safety, efficacy, and palatability of once-daily atazanavir powder formulation boosted with ritonavir (ATV + RTV) plus optimized dual nucleos(t)ide reverse transcriptase inhibitors therapy in antiretroviral naive/experienced children with screening HIV-1 RNA >=1000 copies/mL. Children 3 months to <11 years received ATV + RTV by 5 baseline weight bands: 5 to <10 kg = 150/80 mg; 5 to <10 kg = 200/80 mg; 10 to <15 kg = 200/80 mg; 15 to <25 kg = 250/80 mg; and 25 to <35 kg = 300/100 mg. RESULTS: Of 99 treated children, 83.8% and 59.6% remained on ATV powder until 24 and 48 weeks, respectively. Through 48 weeks, the most common adverse events were upper respiratory tract infections (33.3%), gastroenteritis (28.3%), vomiting (21.2%) and hyperbilirubinemia (18.2%; none leading to treatment discontinuation). Serious adverse events occurred in 20.2% of patients. Laboratory grade 3-4 hyperbilirubinemia occurred in 9.2% and elevated total/pancreatic amylase in 33.7%/3.1%. At week 24, proportions with virologic suppression (HIV-1 RNA <50 copies/mL; intention-to-treat analysis) across weight bands were 10/23 (43.5%), 2/12 (16.5%), 10/21 (47.6%), 19/35 (54.3%) and 5/8 (62.5%), respectively. Virologic suppression was similar in antiretroviral-naive/experienced patients and lowest in the 5 to <10 kg = 200/80 mg group, likely because of higher baseline HIV-1 RNA and discontinuation (66.7%). Overall, virologic suppression at weeks 24 (46.5%) and 48 (43.0%) was comparable. At week 48, 83.3% and 74.1% of caregivers reported no trouble giving ATV powder and RTV, respectively. CONCLUSIONS: ATV powder palatability, efficacy and lack of unexpected safety findings support its use for HIV-1-infected children >=3 months to <11 years. PMID- 29206748 TI - Pharmacokinetics and Pharmacodynamics of Atazanavir in HIV-1-Infected Children Treated With Atazanavir Powder and Ritonavir: Combined Analysis of the PRINCE-1 and -2 Studies. AB - BACKGROUND: Two clinical studies (PRINCE-1 and -2) in HIV-1-infected children assessed the safety, efficacy and pharmacokinetics of dual nucleos(t)ide reverse transcriptase inhibitor background therapy plus once-daily atazanavir (ATV) powder formulation boosted with ritonavir (ATV + RTV). Here, we present a combined analysis of ATV pharmacokinetics and pharmacodynamics across these studies. METHODS: Intensive 24-hour pharmacokinetic profiles at steady state compared ATV exposures (area under the concentration-time curve in one dosing interval) in 5 ATV + RTV baseline weight-band dosing categories, with historic data in adults receiving ATV + RTV 300/100 mg capsules. Repeated ATV Ctrough measurements over 48 weeks explored relationships between ATV composite Ctrough quartiles (CCQs) with virologic efficacy and key safety parameters. RESULTS: Of 146 children included in this combined analysis, 49.3% were male, 56.8% were Black/African American and 62.3% were antiretroviral experienced. Proportions with HIV-1 RNA <50 copies/mL at week 48 were 13/32, 24/32, 19/32 and 13/28 in the lowest through highest ATV CCQs, respectively. Mean changes from baseline in total bilirubin at week 48 were +0.3, +0.5, +0.6 and +1.0 mg/dL in the lowest through highest ATV CCQs, respectively. Corresponding proportions with adverse events of hyperbilirubinemia by week 48 were 1/36, 4/36, 5/36 and 13/35, respectively. Changes from baseline in total amylase or electrocardiogram parameters and adverse events of diarrhea did not vary by ATV CCQs. CONCLUSIONS: Weight-band dosing of ATV + RTV plus optimized dual nucleos(t)ide reverse transcriptase inhibitors in young HIV-1-infected children achieved similar ATV exposure to that in adults; no unexpected safety findings occurred, and with the exception of lower virologic suppression in the lowest ATV CCQ, there was no apparent trend in virologic suppression across ATV CCQs. PMID- 29206749 TI - A California Infant With Insidious Left Wrist Swelling. PMID- 29206750 TI - Ceftazidime-Avibactam Antimicrobial Activity and Spectrum When Tested Against Gram-negative Organisms From Pediatric Patients: Results From the INFORM Surveillance Program (United States, 2011-2015). AB - BACKGROUND: Ceftazidime-avibactam was approved by the US Food and Drug Administration in 2015 to treat complicated intra-abdominal and urinary tract infections in adults and is under clinical development for treating pediatric patients. METHODS: Among 53,381 Gram-negative organisms (1 per patient) collected in 2011-2015, 8461 (15.9%) were from pediatric (<=17 years old) patients. The isolates were collected from 82 US medical centers and susceptibility tested against ceftazidime-avibactam (avibactam at fixed 4 MUg/mL) and comparators by reference broth microdilution methods. Susceptibility results were stratified by patient age: <=1 (3671 isolates); 2-5 (1900); 6-12 (1644) and 13-17 years old (1246). Enterobacteriaceae with an extended-spectrum beta-lactamase (ESBL) screening-positive phenotype were evaluated by microarray-based assay for genes encoding ESBLs, KPC, NDM and transferable AmpC enzymes. RESULTS: Ceftazidime avibactam inhibited >99.9% of all Enterobacteriaceae at the <=8 MUg/mL susceptible break point and was highly active against ESBL screening-positive phenotype Escherichia coli and Klebsiella pneumoniae. Overall, 83.6% of ESBL screening-positive phenotype K. pneumoniae were susceptible to meropenem. Only 1 of 4724 Enterobacteriaceae (0.02%) isolates was nonsusceptible to ceftazidime avibactam, an Enterobacter aerogenes with a ceftazidime-avibactam minimum inhibitory concentration (MIC) value of 16 MUg/mL and negative results for all beta-lactamase tested. Ceftazidime-avibactam was very active against Pseudomonas aeruginosa (MIC50/90, 1/4 MUg/mL; 99.1% susceptible), including isolates nonsusceptible to meropenem (94.0% susceptible to ceftazidime-avibactam) or piperacillin-tazobactam (91.7% susceptible) or ceftazidime (89.6% susceptible). Ceftazidime-avibactam activity against P. aeruginosa did not vary substantially among age groups (98.8%-99.3% susceptible) or year of isolation (98.5%-100.0% susceptible). CONCLUSIONS: Ceftazidime-avibactam was very active against a large collection of Gram-negative bacilli isolated from pediatric patients, including P. aeruginosa and Enterobacteriaceae with an ESBL screening-positive phenotype and resistant to carbapenems. PMID- 29206751 TI - The Impact of Clostridium difficile Infection on Mortality in Patients With Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. AB - BACKGROUND AND AIMS: Clostridium difficile infection (CDI) has been associated with an increased mortality risk among patients with inflammatory bowel disease (IBD) in multiple observational studies. We performed a systematic review and meta-analysis to help clearly define the magnitude of risk in IBD patients with and without CDI, and to assess the risk in individual IBD subtypes. METHODS: A systematic search of multiple electronic databases was conducted for observational studies reporting the risk of mortality in IBD, stratified by the presence of CDI. Weighted summary estimates were calculated using generalized inverse variance with random-effects model. Study quality was assessed using the Newcastle-Ottawa scale. RESULTS: Ten observational studies were identified (8 from North America and 2 from Europe) and included 40,700 IBD patients with CDI and 1,320,764 IBD controls without CDI. Overall, IBD patients with CDI had a higher risk of mortality compared with IBD patients without CDI [odds ratios (OR), 4.39; 95% confidence interval (CI), 3.56-5.42; I=93%]. The results were stable in high-quality studies and in hospitalized patients. When patients were stratified by IBD type, CDI was associated with increased mortality in patients with ulcerative colitis (7 studies) (OR, 4.39; 95% CI, 3.44-5.61; I), but not in patients with Crohn's disease (4 studies) (OR, 2.21; 95% CI, 0.84-5.77; I). Individual studies were limited by an inability to control for IBD disease activity and therapeutic interventions. CONCLUSIONS: On the basis of 10 observational studies with at least moderate quality, CDI seems to increase mortality risk in IBD, particularly in ulcerative colitis. These findings are a cause for concern and suggest that CDI should be managed aggressively in patients with IBD. PMID- 29206752 TI - Rather than Surgical Technique, Dedicated Stroke Centers Improve Bowel and Life Outcomes in Acute Mesenteric Ischemia. PMID- 29206753 TI - The Effects of Sleep on the Commensal Microbiota: Eyes Wide Open? AB - Sleep dysfunction is an epidemic, the implications of which have a profound impact on a variety of gastrointestinal disease. Recent data suggests a relationship between sleep dysfunction and intestinal dysbiosis, a known proinflammatory driver. This article evaluates the interplay between sleep dysfunction and gastrointestinal health and disease, with a focus on the impact of circadian rhythm disruption on the commensal microbiota. PMID- 29206754 TI - Abdominal Ultrasound Does Not Reveal Significant Alterations in Patients With Nonceliac Wheat Sensitivity. AB - GOALS: The goal of this study was (A) to evaluate abdominal ultrasound signs in nonceliac wheat sensitivity (NCWS) patients for features useful in diagnosis and (B) to compare these aspects with those of celiac patients to assess whether ultrasound can be useful in the differential diagnosis between NCWS and celiac disease (CD). BACKGROUND: NCWS diagnosis is difficult as no biomarkers of this condition have as yet been identified. In CD ultrasound aspects have been identified that have a good diagnostic accuracy. STUDY: We prospectively recruited 45 NCWS patients (11 males, 34 females; mean age 35.7 y). Three control groups were included: (A) 99 age-matched CD patients; (B) 18 patients with seronegative CD; (C) 50 patients with irritable bowel syndrome (IBS) who did not improve on a wheat-free diet. NCWS diagnosis was confirmed on the basis of an elimination diet and double-blind placebo-controlled (DBPC) challenge. Ultrasound sign investigation included: dilatation of the small bowel loops, thickening of the small bowel wall, hyperperistalsis, enlarged mesenteric lymph nodes, ascites, hyposplenism, altered diameter of the portal vein. RESULTS: NCWS patients showed a low frequency of pathologic ultrasound findings. Dilated or thickened loops appeared more often in CD patients than in NCWS patients (88.8% vs. 20%; P<0.0001). These US signs were significantly more frequent in seronegative CD than in NCWS patients (both P<0.0001), whereas no difference was found between NCWS patients and IBS controls. CONCLUSIONS: In NCWS patients' ultrasound does not show a characteristic pattern which could be helpful for diagnosis. However, US can be useful to differentiate between NCWS and CD patients and especially those with seronegative CD. (ClinicalTrials.gov NCT03017274). PMID- 29206755 TI - THE OASIS MP-1 SUBSTUDY: Characterization of the Effect of Ocriplasmin on Microperimetry Parameters. AB - PURPOSE: To evaluate the effects of ocriplasmin and symptomatic vitreomacular adhesion resolution on visual fixation and macular sensitivity using microperimetry. METHODS: MP-1 parameters were analyzed from 3 OASIS sites after the use of standardized instruments and testing procedures over 24 months. RESULTS: A total of 27 patients (19 ocriplasmin, 8 sham) were evaluated. Mean distance of the preferred fixation locus to the anatomical center was farther in the sham group at baseline and farther in the sham versus ocriplasmin group throughout the study. Retinal sensitivity values were consistently higher in the ocriplasmin versus sham group after Month 3. Fewer patients in the ocriplasmin group had predominantly eccentric fixation at study end compared with the sham group, which also had an increased number of patients with unstable fixation. Patients with vitreomacular adhesion resolution had lower bivariate contour area, fewer relative scotomas, and higher retinal sensitivity parameters at baseline than those with unresolved vitreomacular adhesion. CONCLUSION: Substudy results suggest that fixation and sensitivity parameters tended to be better in the ocriplasmin group than in the sham group over time. The substudy identified parameters that were distinct between patients with and without vitreomacular adhesion resolution, suggesting that microperimetry warrants further study as a relevant biomarker for visual function.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. PMID- 29206756 TI - Optical Coherence Tomography Angiography Before and After Bevacizumab Injection in Ocular Ischemic Syndrome. PMID- 29206757 TI - CONTACT VERSUS NONCONTACT WIDE-FIELD VIEWING SYSTEMS: Why Not Have the Best of Both Worlds? PMID- 29206758 TI - EARLY MICROVASCULAR AND NEURAL CHANGES IN PATIENTS WITH TYPE 1 AND TYPE 2 DIABETES MELLITUS WITHOUT CLINICAL SIGNS OF DIABETIC RETINOPATHY. AB - PURPOSE: To assess and compare early modifications in inner retinal layer thickness and optical coherence tomography angiography parameters in patients with diabetes mellitus (DM) Types 1 and 2 without clinical signs of diabetic retinopathy. METHODS: Ninety eyes of 90 subjects (24 Type 1 DM, 36 Type 2 DM, and 30 healthy controls) were prospectively evaluated with spectral domain OCT, swept source OCT angiography, and color fundus photography (on the same day). Retinal nerve fiber layer, ganglion cell layer (GCL+), and nerve fiber layer + GCL+ (GCL++) thickness were automatically determined by the instrument in the 1, 3, and 6 central mm. On OCT angiography, the following parameters were evaluated: area of foveal avascular zone, number of focally dilated endings of the capillaries (detected only on OCT angiography), presence of regular/irregular foveal avascular zone, capillary loss, and capillary network irregularities in the superficial capillary plexus (SCP) and deep capillary plexus (DCP). RESULTS: Ganglion cell layer+ (P = 0.0099) and GCL++ (P = 0.0367) were significantly thicker in DM Type 1 versus DM Type 2 in 1 central mm, after adjustment for age and DM duration. The area of foveal avascular zone was significantly larger in DM Type 1 versus controls in both SCP and DCP and in DM Type 1 versus Type 2 only in DCP (P < 0.05 for all); the number of focally dilated endings of the capillaries was higher in DM Type 1 versus controls in both SCP and DCP (P < 0.01 for all); and in DM Type 2 versus controls only in DCP (P = 0.007). Perifoveal capillary loss in SCP and inner retinal layer thickness had the highest correlation in both DM types. CONCLUSION: There are specific neural and microvascular modifications even before clinical signs of diabetic retinopathy in DM Types 1 and 2. Perifoveal capillary loss in the SCP is highly correlated with inner retinal layer. These data may help in characterization of patients at the preclinical stage of diabetic retinopathy. PMID- 29206759 TI - MULTIMODAL IMAGING OF CHOROIDAL LESIONS IN DISSEMINATED MYCOBACTERIUM CHIMAERA INFECTION AFTER CARDIOTHORACIC SURGERY. AB - PURPOSE: To explore morphologic characteristics of choroidal lesions in patients with disseminated Mycobacterium chimaera infection subsequent to open-heart surgery. METHODS: Nine patients (18 eyes) with systemic M. chimaera infection were reviewed. Activity of choroidal lesions were evaluated using biomicroscopy, fundus autofluorescence, enhanced depth imaging optical coherence tomography, fluorescein angiography/indocyanine green angiography, and optical coherence tomography angiography. Relationships of choroidal findings to systemic disease activity were sought. RESULTS: All 9 male patients, aged between 49 and 66 years, were diagnosed with endocarditis and/or aortic graft infection. Mean follow-up was 17.6 months. Four patients had only inactive lesions (mild disease). In all five patients (10 eyes) with progressive ocular disease, indocyanine green angiography was superior to other tests for revealing new lesions and active lesions correlated with hyporeflective choroidal areas on enhanced depth imaging optical coherence tomography. One eye with a large choroidal granuloma developed choroidal neovascularization. Optical coherence tomography angiography showed areas with reduced perfusion at the inner choroid. All 5 patients with progressive ocular disease had evidence of systemic disease activity within +/-6 weeks' duration. CONCLUSION: Choroidal manifestation of disseminated M. chimaera infection indicates systemic disease activity. Multimodal imaging is suitable to recognize progressive ocular disease. We propose ophthalmologic screening examinations for patients with M. chimaera infection. PMID- 29206760 TI - Development of Noninvasive in Vivo Approach to Assess Vascular Permeability in Inflammation Using Fluorescence Imaging. AB - INTRODUCTION: In vivo fluorescence imaging can quantify vascular permeability without requiring sacrifice of animals. However, use of this noninvasive approach for vascular permeability assessment in remote organ injury caused by systemic inflammatory disease has not been reported. METHODS: Evans blue (EB) and Genhance 750 fluorescent dye were mixed and injected into mice. The lung as a remote organ and the footpad as a noninvasive observational site were assessed in a cecal ligation and puncture (CLP)-induced systemic inflammation mouse model and compared with sham and hydrocortisone pretreated (CLP + HC) mouse models. Extraction of EB in harvested tissues was assessed as a conventional indicator of vascular permeability. Fluorescent intensities in the footpad or harvested lung were assessed and their correlation was analyzed to investigate this novel, noninvasive approach for estimation of lung vascular permeability. RESULTS: Fluorescent intensity in the footpad and harvested lung in the CLP group was significantly higher than in the other groups (footpad, sham vs. CLP, P < 0.0001; CLP vs. CLP + HC, P = 0.0004; sham vs. CLP + HC, P = 0.058; lung, sham vs. CLP, P < 0.0001; CLP vs. CLP + HC, P < 0.0001; sham vs. CLP + HC, P = 0.060). The fluorescent intensity in the footpad was strongly correlated with that in the lung (r = 0.95). CONCLUSIONS: This fluorescent technique may be useful for vascular permeability assessment based on EB quantification. Footpad fluorescent intensity was strongly correlated with that in the lung, and may be a suitable indicator in noninvasive estimation of lung vascular permeability. PMID- 29206762 TI - Soluble Epoxide Hydrolase Plays a Vital Role in Angiotensin II-Induced Lung Injury in Mice. AB - BACKGROUND: Angiotensin II plays a vital role in the pathogenesis of acute respiratory distress syndrome (ARDS). However, its mechanism is not well defined. Angiotensin II upregulates the expression of soluble epoxide hydrolase (sEH; Ephx2). sEH is suggested as a potential pharmacologic target for ARDS. The present study investigates whether the sEH is involved in the angiotensin II triggered pulmonary inflammation and edema using an angiotensin II-induced lung injury animal model. METHODS: Lung injury was induced by angiotensin II intratracheally instillation in wild-type or Ephx2 deficient mice. RESULTS: sEH activities were markedly increased in wild-type mice treated with angiotensin II. Angiotensin II markedly increased the levels of tumor necrosis factor-alpha and interleukin-1beta in bronchoalveolar lavage fluid, worsened alveolar capillary protein leak and lung histological alterations, and elevated activity of activator protein-1 and nuclear factor-kappaB. However, these changes were significantly improved in Ephx2 deficient mice. Moreover, Losartan, an angiotensin II receptor 1 antagonist, abolished the sEH induction and improved mortality. CONCLUSIONS: Angiotensin II-induced lung injury was improved in sEH gene deleted mice. The angiotensin II-triggered pulmonary inflammation is mediated, at least in part, through the sEH. PMID- 29206761 TI - Skeletal Muscle Mitochondrial Function is Determined by Burn Severity, Sex, and Sepsis, and is Associated With Glucose Metabolism and Functional Capacity in Burned Children. AB - BACKGROUND: Restoring normal mitochondrial function represents a new target for strategies aimed at mitigating the stress response to severe burn trauma and hastening recovery. Our objective was to investigate the determinants of skeletal muscle mitochondrial respiratory capacity and function and its association with glucose metabolism and functional capacity in burned children. METHODS: Data from burned children enrolled in the placebo arm of an ongoing prospective clinical trial were analyzed. Mitochondrial respiratory capacity was determined in permeabilized myofibers by high-resolution respirometry on at least one occasion per participant. In subsets of patients, glucose kinetics and cardiorespiratory fitness (VO2peak) were also determined. Mixed multiple regression models were used to identify the determinants of mitochondrial respiratory function and to assess the relationship between mitochondrial respiration and both glucose control and functional capacity (VO2peak). MAIN RESULTS: Increasing full thickness burn size was associated with greater adjusted coupled (ATP-producing) respiration, adjusted for age, sex, sepsis, and time of testing (P < 0.01; n = 55, obs = 97). Girls had on average 23.3% lower coupled respiration (adjusted mean and 95% confidence of interval [CI], -7.1; -12.6 to -1.7 pmol/s/mg; P < 0.025) and 29.8% lower respiratory control than boys (adjusted mean and 95% CI, 0.66; -1.07 to -0.25; P < 0.01; n = 55, obs = 97). The presence of sepsis was associated with lower respiration coupled to ATP production by an average of 25.5% compared with nonsepsis (adjusted mean and 95% CI, -6.9; -13.0 to -0.7 pmol/s/mg; P < 0.05; n = 55, obs = 97), after adjustment for age, sex, full thickness burn size, and time of testing. During a hyperinsulinemic euglycemic clamp, hepatic glucose release was associated with greater coupled respiration and respiratory control (P < 0.05; n = 42, obs = 73), independent of age, sepsis, full-thickness burn size, and time postinjury testing. Coupled respiration was positively associated with VO2peak after adjustment for age, full-thickness burn size, and time of exercise testing (P < 0.025; n = 18, obs = 25). CONCLUSIONS: Burn severity, sex, and sepsis influence skeletal muscle mitochondrial function in burned children. Glucose control and functional capacity are associated with altered mitochondrial respiratory function in muscle of burn survivors, highlighting the relationship of altered muscle bioenergetics with the clinical sequelae accompanying severe burn trauma. PMID- 29206764 TI - PET-CT in Critically Ill Patients: Diagnosing the Unsuspected. AB - OBJECTIVE: Quick identification of septic source is fundamental in patients with severe sepsis of unknown origin. The purpose of this case report was to assess the benefit and feasibility of an early PET-CT in critically ill patients with undiagnosed sepsis. DATA SOURCES: Clinical observations of two patients. STUDY SELECTION: Case reports. DATA EXTRACTION: Data extracted from medical records, after patient's consent. Illustrations were collected from the imaging software. DATA SYNTHESIS: We admitted two critically ill patients for suspected sepsis and altered mental state. As all bacteriological samples were initially sterile, diagnostic workups in both patients led us to suspect underlying malignant hemopathy. In fact, the lumbar puncture of the first patient revealed a large B cell lymphoma, and an acquired thrombotic thrombocytopenic purpura was suspected in the second patient. However, PET-CTs performed in both patients displayed infra-clinical underlying infectious foci. Within 48 hours, both patients developed a clearly identified sepsis linked to the described focus, and favorable outcome thanks to the precious information delivered by the PET-CT. CONCLUSIONS: PET-CT precisely detected the deep foci of infection about 48 hours prior to the diagnosis of sepsis. The cases reports suggested the use of this image technique in ICU for patients with sepsis of unknown origin. PMID- 29206763 TI - Association of Clinical Hypoperfusion Variables With Lactate Clearance and Hospital Mortality. AB - BACKGROUND: Lactate has shown utility in assessing the prognosis of patients admitted to the hospital with confirmed or suspected shock. Some findings of the physical examination may replace it as screening tool. We have determined the correlation and association between clinical perfusion parameters and lactate at the time of admission; the correlation between the change in clinical parameters and lactate clearance after 6 and 24 h of resuscitation; and the association between clinical parameters, lactate, and mortality. METHODS: Prospective cohort study of adult patients hospitalized in the emergency room with infection, polytrauma, or other causes of hypotension. We measured serum lactate, capillary refill time, shock index, and pulse pressure at 0, 6, and 24 h after admission. A Spearman's correlation was performed between clinical variables and lactate levels, as well as between changes in clinical parameters and lactate clearance. The operative characteristics of these variables were determined by area under the receiver operating characteristic curve analysis and the association between lactate, clinical variables, and mortality through logistic regression. RESULTS: A total of 1,320 patients met the inclusion criteria, 66.7% (n = 880) confirmed infection, 19% (n = 251) polytrauma, and 14.3% (n = 189) another etiology. No significant correlation was found between any clinical variable and lactate values (r < 0.28). None of the variable had an adequate discriminatory capacity to detect hyperlactatemia (AUC < 0.62). In the multivariate model, lactate value at admission was the only variable independently associated with mortality (OR 1.2; 95% CI = 1.1-1.1). CONCLUSIONS: Among patients with hypoperfusion risk or shock, no correlation was found between clinical variables and lactate. Of the set of parameters collected, lactate at admission was the only independent marker of mortality. PMID- 29206765 TI - The New York Sepsis Severity Score: Development of a Risk-Adjusted Severity Model for Sepsis. AB - OBJECTIVES: In accordance with Rory's Regulations, hospitals across New York State developed and implemented protocols for sepsis recognition and treatment to reduce variations in evidence informed care and preventable mortality. The New York Department of Health sought to develop a risk assessment model for accurate and standardized hospital mortality comparisons of adult septic patients across institutions using case-mix adjustment. DESIGN: Retrospective evaluation of prospectively collected data. PATIENTS: Data from 43,204 severe sepsis and septic shock patients from 179 hospitals across New York State were evaluated. SETTINGS: Prospective data were submitted to a database from January 1, 2015, to December 31, 2015. INTERVENTIONS: None. MEASUREMENT AND MAIN RESULTS: Maximum likelihood logistic regression was used to estimate model coefficients used in the New York State risk model. The mortality probability was estimated using a logistic regression model. Variables to be included in the model were determined as part of the model-building process. Interactions between variables were included if they made clinical sense and if their p values were less than 0.05. Model development used a random sample of 90% of available patients and was validated using the remaining 10%. Hosmer-Lemeshow goodness of fit p values were considerably greater than 0.05, suggesting good calibration. Areas under the receiver operator curve in the developmental and validation subsets were 0.770 (95% CI, 0.765-0.775) and 0.773 (95% CI, 0.758-0.787), respectively, indicating good discrimination. Development and validation datasets had similar distributions of estimated mortality probabilities. Mortality increased with rising age, comorbidities, and lactate. CONCLUSIONS: The New York Sepsis Severity Score accurately estimated the probability of hospital mortality in severe sepsis and septic shock patients. It performed well with respect to calibration and discrimination. This sepsis-specific model provides an accurate, comprehensive method for standardized mortality comparison of adult patients with severe sepsis and septic shock. PMID- 29206767 TI - Prevention of Ventilator-Associated and Early Postoperative Pneumonia Through Tapered Endotracheal Tube Cuffs: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. AB - OBJECTIVE: Microaspiration of subglottic secretions is considered a major pathogenic mechanism of hospital-acquired pneumonia, either early postoperative or ventilator-associated pneumonia. Tapered endotracheal tube cuffs have been proposed to provide a better seal of the extraluminal airway, thereby preventing microaspiration and possibly hospital-acquired pneumonia. We performed a systematic review and meta-analysis to assess the value of endotracheal tubes with tapered cuffs in the prevention of hospital-acquired pneumonia. DATA SOURCES: A systematic search of MEDLINE, EMBASE, CENTRAL/CCTR, ClinicalTrials.gov, and ICTRP was conducted up to March 2017. STUDY SELECTION: Eligible trials were randomized controlled clinical trials comparing the impact of tapered cuffs versus standard cuffs on hospital-acquired pneumonia. DATA EXTRACTION: Random-effects meta-analysis calculated odds ratio and 95% CI for hospital-acquired pneumonia occurrence rate between groups. Secondary outcome measures included mortality, duration of mechanical ventilation, length of hospital and ICU stay, and cuff underinflation. DATA SYNTHESIS: Six randomized controlled clinical trials with 1,324 patients from intensive care and postoperative wards were included. Only two studies concomitantly applied subglottic secretion drainage, and no trial performed continuous cuff pressure monitoring. No significant difference in hospital-acquired pneumonia incidence per patient was found when tapered cuffs were compared with standard cuffs (odds ratio, 0.97; 95% CI, [0.73-1.28]; p = 0.81). There were likewise no differences in secondary outcomes. CONCLUSIONS: Application of tapered endotracheal tube cuffs did not reduce hospital-acquired pneumonia incidence among ICU and postoperative patients. Further research should examine the impact of concomitant use of tapered cuffs with continuous cuff pressure monitoring and subglottic secretion drainage. PMID- 29206766 TI - Hospital Variation in Renal Replacement Therapy for Sepsis in the United States. AB - OBJECTIVES: Acute renal replacement therapy in patients with sepsis has increased dramatically with substantial costs. However, the extent of variability in use across hospitals-and whether greater use is associated with better outcomes-is unknown. DESIGN: Retrospective cohort study. SETTING: Nationwide Inpatient Sample in 2011. PATIENTS: Eighteen years old and older with sepsis and acute kidney injury admitted to hospitals sampled by the Nationwide Inpatient Sample in 2011. INTERVENTIONS: We estimated the risk- and reliability-adjusted rate of acute renal replacement therapy use for patients with sepsis and acute kidney injury at each hospital. We examined the association between hospital-specific renal replacement therapy rate and in-hospital mortality and hospital costs after adjusting for patient and hospital characteristics. MEASUREMENTS AND MAIN RESULTS: We identified 293,899 hospitalizations with sepsis and acute kidney injury at 440 hospitals, of which 6.4% (n = 18,885) received renal replacement therapy. After risk and reliability adjustment, the median hospital renal replacement therapy rate for patients with sepsis and acute kidney injury was 3.6% (interquartile range, 2.9-4.5%). However, hospitals in the top quintile of renal replacement therapy use had rates ranging from 4.8% to 13.4%. There was no significant association between hospital-specific renal replacement therapy rate and in-hospital mortality (odds ratio per 1% increase in renal replacement therapy rate: 1.03; 95% CI, 0.99-1.07; p = 0.10). Hospital costs were significantly higher with increasing renal replacement therapy rates (absolute cost increase per 1% increase in renal replacement therapy rate: $1,316; 95% CI, $157-$2,475; p = 0.03). CONCLUSIONS: Use of renal replacement therapy in sepsis varied widely among nationally sampled hospitals without associated differences in mortality. Improving renal replacement standards for the initiation of therapy for sepsis may reduce healthcare costs without increasing mortality. PMID- 29206768 TI - Inhibition of Group Ia Afferents Between Brachioradialis and Flexor Carpi Radialis in Humans: A Study Using an Electromyogram-Averaging Method. AB - PURPOSE: Our previous studies using a poststimulus time histogram method demonstrated inhibitory spinal reflex arcs (inhibition) between the brachioradialis (BR) and flexor carpi radialis (FCR) in humans. Group I afferents mediated the inhibition through an oligosynaptic path. In this study, effects of the inhibition on excitability of the motoneuron pools were examined, and we tried to clarify which afferents of group Ia or Ib are responsible for the inhibition. METHODS: We evaluated the effects of low-threshold afferents between BR and FCR on FCR and BR motoneuron pools, respectively, using an electromyogram averaging method in 14 healthy human subjects. Changes of rectified and averaged electromyogram of BR by electrical conditioning stimulation with the intensity below the motor threshold to the median nerve branch innervating FCR (FCR nerve) and those of FCR by the stimulation to the radial nerve branch innervating BR (BR nerve) were evaluated. RESULTS: The stimulation to the FCR and BR nerves produced an early and significant trough of rectified and averaged electromyogram of BR and FCR, respectively, in all the subjects. The amount of inhibition of BR and FCR was 13.2 +/- 3.4% (mean +/- SD) and 14.2 +/- 1.4%, respectively. The trough of BR and FCR diminished by tonic vibration stimuli to a respective FCR and BR. Such a trough was never provoked by cutaneous stimulation. CONCLUSIONS: The inhibition between BR and FCR depresses excitability of the FCR and BR motoneuron pools, respectively. Group Ia afferents should mediate the inhibition. PMID- 29206769 TI - Severe menopausal symptoms associated with reduced adherence to antiretroviral therapy among perimenopausal and menopausal women living with HIV in Metro Vancouver. AB - OBJECTIVES: Although more women living with HIV (WLWH) are entering midlife, the experiences of perimenopausal and menopausal WLWH, including the effects of menopausal symptoms severity, remain understudied. This study longitudinally investigated the correlates of antiretroviral therapy (ART) adherence among perimenopausal and menopausal WLWH from Metro Vancouver. METHODS: Analyses drew on longitudinal data (2014-2017) from Sexual health and HIV/AIDS: Women's Longitudinal Needs Assessment, an ongoing community-based cohort of WLWH, aged 14+, from Metro Vancouver, Canada. At baseline and biannually, participants completed an interviewer-administered questionnaire. Bivariate and multivariable logistic regression with generalized estimating equations were used to identify the correlates of self-reported <95% ART adherence. RESULTS: The sample included 109 perimenopausal and menopausal WLWH (233 observations), with a median age of 49 years (IQR 44-53). Whereas most (68.8%) participants experienced menopausal symptoms, only 17% had received treatment (eg, antidepressants, hormone therapy) at baseline. In multivariable analysis, severe menopausal symptoms (adjusted odds ratio [AOR] 1.03, 95% confidence interval [CI] 1.00-1.06), injection drug use (AOR 2.86, 95% CI 1.44-5.55), and physical/sexual violence (AOR 2.33, 95% CI 1.02 5.26) independently and positively correlated with <95% adherence. CONCLUSIONS: These findings suggest that menopausal symptoms may undermine ART adherence, with overlapping vulnerabilities such as injection drug use and sexual/physical violence further exacerbating poor ART adherence. Women-centred, trauma-informed care approaches to detect menopause and treat menopausal symptoms are urgently needed. Such approaches should holistically address the intersecting barriers to adherence and link WLWH to peripheral health and social services, including trauma counseling and evidence-based harm reduction services. PMID- 29206770 TI - The cross-sectional association between chemerin and bone health in peri/pre and postmenopausal women: results from the EPIC-Potsdam study. AB - OBJECTIVE: Recent in vitro data suggested that the novel adipokine chemerin may influence bone health. However, only limited evidence of the relationship between chemerin and bone health in humans is available. Therefore, this study aimed to investigate the association between chemerin and broadband ultrasound attenuation (BUA) in peri/premenopausal and postmenopausal women. METHODS: Data from the German population-based European Prospective Investigation into Cancer and Nutrition-Potsdam cohort comprising 404 peri/premenopausal and 279 postmenopausal women were analyzed. Multivariable-adjusted analysis of covariance including age, body mass index, waist circumference, smoking status, education, physical activity, alcohol consumption, and hormone use was used to investigate potential relationships between the adipokine and BUA levels in peri/premenopausal and postmenopausal women, respectively. RESULTS: The concentrations of chemerin were lower in peri/premenopausal women (median 118.0 ng/mL, interquartile range [IQR] 99.2-135.0), compared with postmenopausal women (median 140.0 ng/mL, IQR 121.0 167.0). In peri/premenopausal women chemerin was inversely associated with BUA levels; after multivariable adjustment, a 10% increase in the chemerin concentration was significantly associated with 0.83 dB/MHz lower BUA levels (P = 0.0006). In postmenopausal women chemerin was not related to BUA levels (P = 0.8). CONCLUSION: The present study provides evidence for an inverse association between chemerin and BUA in peri/premenopausal women. Therefore, the study suggests that high chemerin concentrations may minimize peak bone mass and thereby may promote age-related bone loss. Further studies are needed to investigate the role of chemerin in bone homeostasis in peri/premenopausal and postmenopausal women. PMID- 29206772 TI - Letter to the Editor. PMID- 29206771 TI - Vasomotor symptom characteristics: are they risk factors for incident diabetes? AB - OBJECTIVE: Vasomotor symptoms (VMS), encompassing hot flashes and night sweats, may be associated with diabetes, but evidence is limited. We sought to estimate these associations. METHODS: Among 150,007 postmenopausal Women's Health Initiative participants from 1993 to 2014, we prospectively examined associations of incident diabetes with VMS characteristics at enrollment: any VMS, severity (mild/ moderate/severe), type (hot flashes/night sweats), timing (early [premenopausal or perimenopausal]/late [postmenopausal]), and duration. Cox proportional-hazards models estimated hazard ratios (HRs) and 95% confidence intervals (CIs). RESULTS: Mean duration of follow-up was 13.1 years. VMS prevalence was 33%. Reporting any VMS was associated with 18% increased diabetes risk (95% CI 1.14, 1.22), which increased with severity (mild: HR 1.13, 95% CI 1.08, 1.17; moderate: HR 1.29, 95% CI 1.22, 1.36; severe: HR 1.48, 95% CI 1.34, 1.62) and duration (4% per 5 years, 95% CI 1.03, 1.05), independent of obesity. Diabetes risk was more pronounced for women reporting any night sweats (night sweats only: HR 1.20, 95% CI 1.13, 1.26; night sweats and hot flashes: HR 1.22, 95% CI 1.17, 1.27) than only hot flashes (HR 1.08, 95% CI 1.02, 1.15) and was restricted to late VMS (late: HR 1.12, 95% CI 1.07, 1.18; early and late: HR 1.16, 95% CI 1.11, 1.22; early: HR 0.99, 95% CI 0.95, 1.04). CONCLUSIONS: VMS are associated with elevated diabetes risk, particularly for women reporting night sweats and postmenopausal symptoms. The menopause transition may be an optimal window for clinicians to discuss long-term cardiovascular/metabolic risk with patients and leverage the bother of existing symptoms for behavior change to improve VMS and reduce diabetes risk. PMID- 29206773 TI - Trauma exposure and endothelial function among midlife women. AB - OBJECTIVE: Trauma is a potent exposure that can have implications for health. However, little research has considered whether trauma exposure is related to endothelial function, a key process in the pathophysiology of cardiovascular disease (CVD). We tested whether exposure to traumatic experiences was related to poorer endothelial function among midlife women, independent of CVD risk factors, demographic factors, psychosocial factors, or a history of childhood abuse. METHODS: In all, 272 nonsmoking perimenopausal and postmenopausal women aged 40 to 60 years without clinical CVD completed the Brief Trauma Questionnaire, the Child Trauma Questionnaire, physical measures, a blood draw, and a brachial ultrasound for assessment of brachial artery flow-mediated dilation (FMD). Relations between trauma and FMD were tested in linear regression models controlling for baseline vessel diameter, demographics, depression/anxiety, CVD risk factors, health behaviors, and, additionally, a history of childhood abuse. RESULTS: Over 60% of the sample had at least one traumatic exposure, and 18% had three or more exposures. A greater number of traumatic exposures was associated with lower FMD, indicating poorer endothelial function in multivariable models (beta, beta [standard error, SE] -1.05 [0.40], P = 0.01). Relations between trauma exposure and FMD were particularly pronounced for three or more trauma exposures (b [SE] -1.90 [0.71], P = 0.008, relative to no exposures, multivariable). CONCLUSIONS: A greater number of traumatic exposures were associated with poorer endothelial function. Relations were not explained by demographics, CVD risk factors, mood/anxiety, or a by history of childhood abuse. Women with greater exposure to trauma over life maybe at elevated CVD risk. PMID- 29206775 TI - Menopause improves the predictive value of common cardiovascular risk scores in women with premature coronary artery disease. AB - OBJECTIVE: Menopause, particularly its early stage (<=3 years from onset), may be an important risk factor for premature coronary artery disease. The objective of the study was to assess whether the addition of the presence of menopause in women with premature coronary artery disease could improve the predictive value of the Atherosclerotic Cardiovascular Disease risk estimator and the Systematic COronary Risk Evaluation model. METHODS: The case-control study included 307 women with coronary artery disease aged 55 or less, and 347 age-matched controls without coronary artery disease. Diagnostic accuracy parameters were evaluated for traditional risk models versus those enriched with menopausal status. Early and late postmenopausal periods were defined as <=3 and >3 years from the onset of menopause, respectively. RESULTS: Only the addition of the presence of the early postmenopausal stage to the 10-year Atherosclerotic Cardiovascular Disease risk classes resulted in significantly increased c-statistics from 0.66 (95% confidence interval [CI] 0.62-0.7) to 0.705 (95%CI 0.66-0.75) (P = 0.0003) and an increase of accuracy from 61.3% to 63.8% (P = 0.0025).Adding the presence of early postmenopause to the Systematic COronary Risk Evaluation risk classes also resulted in significantly increased c-statistics from 0.59 (95% CI 0.55-0.63) to 0.641 (95%CI 0.6-0.68) (P = 0.0024) and an increase of accuracy from 64.1% versus 57.5% (P = 0.001). CONCLUSION: Adding the early menopausal period may significantly improve the predictive value of the 10-year Atherosclerotic Cardiovascular Disease risk score and the Systematic COronary Risk Evaluation model in women with premature coronary artery disease. PMID- 29206776 TI - In Reply. PMID- 29206774 TI - Associations between improvement in genitourinary symptoms of menopause and changes in the vaginal ecosystem. AB - OBJECTIVE: The aim of the study was to identify associations between improvement in genitourinary symptoms of menopause (GSM) and vaginal microbiota, vaginal glycogen, and serum estrogen. METHODS: Thirty postmenopausal women enrolled in a hot flash treatment trial (oral estradiol vs venlafaxine vs placebo) who reported GSM and provided vaginal swabs at 0, 4, and 8 weeks were studied. Bacterial communities were characterized using deep sequencing targeting the 16S rRNA gene V3-V4 region. Participants selected a most bothersome genitourinary symptom (dryness, discharge, pain, itch/burn, or inability to have sex) and rated severity on a 10-point scale at baseline and 8 weeks. Vaginal glycogen and serum estradiol and estrone were measured at enrollment and 8 weeks. Comparisons according to improvement in most bothersome symptom (MBS) were made using chi, Wilcoxon signed-rank test, or Hotelling's t test. RESULTS: Of 30 participants, 21 (70%) had improvement in MBS over the 8-week study and 9 (30%) had no improvement or worsening of MBS. A higher proportion of women receiving estradiol or venlafaxine reported improvement in MBS (88%, 78%) compared with placebo (54%; P = 0.28). MBS improvement was associated with Lactobacillus-dominant vaginal microbiota at enrollment (57% vs 22%, P = 0.08). Vaginal glycogen, serum estradiol, and estrone significantly increased in women whose MBS improved. CONCLUSIONS: A larger proportion of women whose MBS improved had a Lactobacillus dominant microbiota at enrollment than those who had no improvement during the trial, though this difference was not statistically significant. Larger trials are needed to determine whether vaginal microbiota modify or mediate treatment responses in women with GSM. PMID- 29206777 TI - To the Editor. PMID- 29206778 TI - Urinary incontinence: finding a voice to talk about "it". PMID- 29206779 TI - Concentration range of serum sex steroids in normal postmenopausal women and those with diagnosis of vulvovaginal atrophy. AB - OBJECTIVE: The aim of the study was to determine the range of serum sex-related steroids in normal postmenopausal women and in women of the same age with a diagnosis of vulvovaginal atrophy (VVA). METHODS: Validated mass spectrometry based assays coupled to gas or liquid chromatography were used over a 10-year period for steroid measurements. Serum samples were obtained in up to 1,512 women aged 55 to 65 years. RESULTS: Serum estrone sulfate (E1S) and androsterone glucuronide (ADT-G), the main metabolites of estrogens and androgens, respectively, were 16.9% (P = 0.005) and 16.1% (P = 0.001) higher in women not diagnosed with moderate/severe VVA than those diagnosed with VVA. Serum estrone (E1) was 14.5% (P < 0.0001) higher in women with no diagnosis of VVA, whereas the other steroids did not show meaningful differences. The limited biological significance of serum estradiol (E2) and testosterone is supported by the lack of statistical significance in the serum concentrations of these two steroids between the two groups. Most importantly, for the women without a diagnosis of VVA, the normal upper limit (95 centile) of serum E2 was 9.15 pg/mL (n = 364) and 10.7 pg/mL (n = 67) for a weighted average of 9.99 pg E2/mL. A limit of 10 pg E2/mL has recently been found by two other laboratories. When comparing 50- to 59 year-old and 70- to 79-year-old women, serum E2, E1S, ADT-G, and DHEA were, respectively, 24.4%, 22.6%, 27.0%, and 85.9% higher in the younger group. CONCLUSIONS: Somewhat higher values, namely, 16.9% and 16.1%, are observed in the serum concentrations of the estrogen (E1S) and androgen (ADT-G) metabolites in normal compared with women with a diagnosis of VVA. Such data indicating a lower estrogenic and androgenic global exposure in women diagnosed with VVA offers an opportunity for the local intravaginal administration of DHEA to replace the deficiency in endogenous DHEA. PMID- 29206780 TI - Neoadjuvant strategies for advanced pancreatic neuroendocrine tumors: should combined chemotherapy and peptide receptor radionuclide therapy be the preferred regimen for maximizing outcome? PMID- 29206781 TI - Perceptual Responses to High- and Moderate-Intensity Interval Exercise in Adolescents. AB - PURPOSE: Continuous high-intensity exercise is proposed to evoke unpleasant sensations as predicted by the dual-mode theory and may negatively impact on future exercise adherence. Previous studies support unpleasant sensations in affective responses during continuous high-intensity exercise, but the affect experience during high-intensity interval exercise (HIIE) involving brief bursts of high-intensity exercise separated by low-intensity activity is poorly understood in adolescents. We examined the acute affective, enjoyment, and perceived exertion responses to HIIE compared with moderate-intensity interval exercise (MIIE) in adolescents. METHODS: Thirteen adolescent boys (mean +/- SD: age, 14.0 +/- 0.5 yr) performed two counterbalanced exercise conditions: 1) HIIE: 8 * 1-min work intervals at 90% maximal aerobic speed; and 2) MIIE: between 9 and 12 * 1-min work intervals at 90% ventilatory threshold where the number of intervals performed were distance-matched to HIIE. HIIE and MIIE work intervals were interspersed with 75 s active recovery at 4 km.h. Affect, enjoyment, and RPE were recorded before, during, and after exercise. RESULTS: Affect responses declined in both conditions but the fall was greater in HIIE than MIIE (P < 0.025, effect size [ES], 0.64 to 0.81). Affect remained positive at the end-work interval for both conditions (MIIE, 2.62 +/- 1.50; HIIE, 1.15 +/- 2.08 on feeling scale). No enjoyment differences were evident during HIIE and MIIE (P = 0.32), but HIIE elicited greater postexercise enjoyment compared with MIIE (P = 0.01, ES = 0.47). RPE was significantly higher during HIIE than MIIE across all work intervals (all P < 0.03, ES > 0.64). CONCLUSIONS: Despite elevated RPE, HIIE did not elicit prominent unpleasant feelings as predicted by the dual-mode theory and was associated with greater postexercise enjoyment responses than MIIE. This study demonstrates the feasibility of the application of HIIE as an alternative form of physical activity in adolescents. PMID- 29206782 TI - Muscle Fiber and Performance Changes after Fast Eccentric Complex Training. AB - INTRODUCTION: The purpose of this study was to examine the effects of a short term fast eccentric and ballistic complex training program on muscle power, rate of force development (RFD), muscle fiber composition, and cross-sectional area (CSA). METHODS: Sixteen male physical education students were randomly assigned to either a training group (TG, n = 8) or a control group (n = 8). The TG followed a 6-wk low volume training program, including fast eccentric squat training with an individually optimized load of 74% +/- 7% of maximal half-squat strength (1RM) twice per week and a ballistic training session with loaded (30% 1RM) and unloaded jump squats, once per week, all combined with unloaded plyometric jumps. RESULTS: Half squat 1RM was increased in the TG from 1.87 +/- 0.28 to 2.14 +/- 0.31 kg per kilogram body mass (14.4% +/- 9.3%, P = 0.01). The percentage of types I, IIA, and IIX fibers were similar in the two groups at pretesting and did not change after the intervention period (P = 0.53-0.89). Muscle fiber CSA increased in all fiber types by 8.3% to 11.6% (P = 0.02 to 0.001) in TG only. Countermovement jump height and peak power measured at five different external loads (0%-65% of 1RM) only increased in the TG by approximately 20% to 36% (P < 0.01) and approximately 16% to 22% (P < 0.01), respectively. Peak ground reaction force during jump squats remained unchanged in both groups, whereas RFD increased in the TG only (40%-107%, P = 0.001). CONCLUSIONS: A combination of low-volume fast eccentric and ballistic jump squat training with plyometric jumps in a strength-power potentiation complex format, induced substantial increases in peak leg muscle power, RFD, and maximal strength, accompanied by gains in CSA of all muscle fiber types, without a reduction in fast twitch fiber composition. PMID- 29206783 TI - Protocol for Objective Measurement of Infants' Physical Activity using Accelerometry. AB - PURPOSE: This study aimed to evaluate methods for infants' physical activity measurement based on accelerometry, including the minimum number of measurement days and placement of a wrist or ankle device. We also evaluated the acceptability of the device among infants and mothers. METHODS: A cross-sectional mixed-methods study was conducted on a convenience sample of 90 infants. Physical activity was measured using the Actigraph GT3X+ accelerometer placed on the wrist and/or ankle for 7 consecutive days (worn for 24 h), and a qualitative interview was performed to verify acceptability. The intraclass correlation coefficient (ICC) method and the Bland and Altman's dispersion diagram were used to verify the minimum number of measurement days. All analyses were stratified by walking status. RESULTS: The mean (SD) age was 12.9 (1.70) months; the mean acceleration varied between 25.8 mg (95% confidence interval (CI), 14.3-52.7) and 27.3 mg (95% CI, 17.9-44.5) using the wrist placement, and between 24.9 mg (95% CI, 10.6-48.4) and 26.2 mg (95% CI, 11.7-65.6) using the ankle placement. The ICC results showed a lower acceleration variability between days among infants incapable of walking; they achieved an ICC of 0.80 with 1 d of measurement in both placements. Among those capable of walking, the minimum number of days to achieve an ICC of 0.80 was 2 d measured at the wrist (0.85; 95% CI, 0.71-0.93) and 3 d measured at the ankle (0.92; 95% CI, 0.84-0.96). The qualitative results pointed to the wrist placement as the preferred placement among the overall sample. CONCLUSIONS: Two and three measurement days with the accelerometer placed on the wrist and ankle, respectively, seemed to adequately represent a week of measurement. The accelerometer placed on the wrist had better acceptance by the infants and mothers. PMID- 29206784 TI - Effect of Beta-blocker Treatment on VO2peak in Patients with Heart Failure. AB - PURPOSE: In addition to prolonged life and reduced hospitalization rates, it is currently unclear whether beta-blocker (BB) treatment modulates peak oxygen consumption (VO2peak), a hallmark of exercise capacity, in patients with heart failure (HF). The main aim of this study is to determine the effect of BB treatment on VO2peak in HF patients. METHODS: We conducted a systematic search of MEDLINE, Scopus, and Web of Science since their inceptions until March 2017 for randomized controlled trials (RCT) assessing the effect of BB treatment on VO2peak in chronic HF patients. A meta-analysis was performed to ascertain the standardized mean difference (SMD) between the effects of BB and placebo treatment on VO2peak. Secondary outcomes included peak exercise performance and New York Health Association functional class. Subgroup and meta-regression analyses assessed potential moderating factors. RESULTS: Fourteen RCT met the inclusion criteria (overall n = 616). Interventions comprised BB (n = 324) or placebo (n = 292) administration lasting 3 to 24 months. Concomitant reported medication did not differ between HF patients assigned to BB and placebo groups. After data pooling, VO2peak was preserved with BB compared with placebo treatment (SMD, -0.04; 95% confidence interval (CI), -0.20 to 0.12; P = 0.61); heterogeneity among studies was not detected (I = 0%, P = 0.88). Peak exercise performance was not altered (SMD, 0.02; 95% CI, -0.16 to 0.20; P = 0.85), whereas New York Health Association functional class was reduced with BB compared with placebo (SMD, -0.54; 95% CI, -0.90 to -0.18; P = 0.003). CONCLUSIONS: According to evidence from RCT, prolonged BB (B1-selective or nonselective) treatment does not affect VO2peak but improves functional status in HF patients. PMID- 29206785 TI - Three Weeks of Overload Training Increases Resting Muscle Sympathetic Activity. AB - PURPOSE: Overload training is hypothesized to alter autonomic regulation, although interpretations using indirect measures of heart rate variability are conflicting. The aim of the present study was to examine the effects of overload training on muscle sympathetic nerve activity (MSNA), a direct measure of central sympathetic outflow, in recreational endurance athletes. METHODS: Measurements of heart rate variability, cardiac baroreflex sensitivity (BRS), MSNA (microneurography), and sympathetic BRS were obtained in 17 healthy triathletes and cyclists after 1 wk of reduced training (baseline) and again after 3 wk of either regular (n = 7) or overload (n = 10) training. RESULTS: After training, the changes (Delta) in peak power output (10 +/- 10 vs -12 +/- 9 W, P < 0.001), maximal heart rate (-2 +/- 4 vs -8 +/- 3 bpm, P = 0.006), heart rate variability (SD of normal-to-normal intervals, 27 +/- 31 vs -3 +/- 25 ms; P = 0.04), and cardiac BRS (7 +/- 6 vs -2 +/- 8 ms.mm Hg, P = 0.02) differed between the control and overload groups. The change in MSNA burst frequency (-2 +/- 2 vs 4 +/- 5 bursts per minute, P = 0.02) differed between groups. Across all participants, the changes in resting MSNA and peak power output were correlated negatively (r = -0.51, P = 0.04). No between-group differences in resting heart rate or blood pressure were observed (all P > 0.05). CONCLUSIONS: Overload training increased MSNA and attenuated increases in cardiac BRS and heart rate variability observed with regular training. These results support neural adaptations after overload training and suggest that increased central sympathetic outflow may be linked with decreased exercise performance. PMID- 29206786 TI - Same-Day Discharge Compared with Inpatient Hospitalization Following Hip and Knee Arthroplasty. AB - BACKGROUND: Discharge from the hospital on the day of (same-day) hip and knee arthroplasties has become more common; however, to our knowledge, few studies have compared morbidity between same-day and inpatient surgical procedures. The aims of this study were to compare matched cohorts of patients who underwent same day and inpatient hip or knee arthroplasty in terms of postoperative complications and 30-day readmission rates. METHODS: Patients who underwent primary elective total hip arthroplasty, total knee arthroplasty, or unicompartmental knee arthroplasty from 2005 to 2014 were identified from the National Surgical Quality Improvement Program registry. Patients discharged the day of the surgical procedure were matched 1:1 with patients who had an inpatient stay using propensity scores. The rates of 30-day adverse events and readmission were compared between matched cohorts using the McNemar test. Risk factors for 30 day readmission following same-day procedures were identified using multivariate regression. RESULTS: Of 177,818 patients identified, 1,236 (0.70%) underwent a same-day surgical procedure. After matching, there were no differences in overall adverse events or readmission between same-day and inpatient groups, although inpatients had increased thromboembolic events (p = 0.048) and same-day patients had an increased rate of return to the operating room (p = 0.016). When procedures were assessed individually, the only difference identified was that the same-day total knee arthroplasty cohort had an increased return to the operating room compared with the inpatient total knee arthroplasty cohort (p = 0.046). Body mass index of >=35 kg/m (p = 0.035), insulin-dependent diabetes (p = 0.041), non-insulin-dependent diabetes (p = 0.013), and age of >=85 years (p = 0.039) were associated with 30-day readmission following same-day surgical procedures. Infection was the most common reason for reoperation and readmission following same-day procedures. CONCLUSIONS: No significant differences in overall postoperative complications or readmission were found between matched cohorts of patients who underwent same-day and inpatient hip and knee arthroplasties, although inpatients had a higher rate of thromboembolic events and same-day patients had a higher rate of reoperation. Patients with a body mass index of >=35 kg/m, diabetes, and an age of >=85 years had an increased risk of 30-day readmission following same-day procedures, which was most commonly due to infection. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206787 TI - Outpatient Total Knee Arthroplasty Is Associated with Higher Risk of Perioperative Complications. AB - BACKGROUND: As concerns regarding health-care expenditure in the U.S. remain at the national forefront, outpatient arthroplasty is an appealing option for carefully selected patient populations. The purpose of this study was to determine the nationwide trends and complication rates associated with outpatient total knee arthroplasty (TKA) in comparison with standard inpatient TKA. METHODS: We performed a retrospective review of the Humana subset of the PearlDiver Patient Record Database to identify patients who had undergone TKA (Current Procedural Terminology [CPT] code 27447) as either outpatients or inpatients from 2007 to 2015. The incidence of perioperative medical and surgical complications was determined by querying for relevant International Classification of Diseases, Ninth Revision (ICD-9) and CPT codes. Multivariate logistic regression analysis adjusted for age, sex, and Charlson Comorbidity Index (CCI) was used to calculate odds ratios (ORs) of complications among outpatients relative to inpatients treated with TKA. RESULTS: Cohorts of 4,391 patients who underwent outpatient TKA and 128,951 patients who underwent inpatient TKA were identified. The median age was in the 70 to 74-year age group in both cohorts. The incidence of outpatient TKA increased across the study period (R = 0.60, p = 0.015). After adjustment for age, sex, and CCI, outpatient TKAs were found to more likely be followed by tibial and/or femoral component revision due to a noninfectious cause (OR = 1.22, 95% confidence interval [CI] = 1.01 to 1.47; p = 0.039), explantation of the prosthesis (OR = 1.35, CI = 1.07 to 1.72; p = 0.013), irrigation and debridement (OR = 1.50, CI = 1.28 to 1.77; p < 0.001), and stiffness requiring manipulation under anesthesia (OR = 1.28, CI = 1.17 to 1.40; p < 0.001) within 1 year. Outpatient TKA was also more frequently associated with postoperative deep vein thrombosis (OR = 1.42, CI = 1.25 to 1.63; p < 0.001) and acute renal failure (OR = 1.13, CI = 1.01 to 1.25; p = 0.026). CONCLUSIONS: With the potential to minimize arthroplasty costs among healthy patients, outpatient TKA is an increasingly popular option. Nationwide data from a private insurance database demonstrated a higher risk of perioperative surgical and medical complications including component failure, surgical site infection, knee stiffness, and deep vein thrombosis. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206788 TI - Matrix-Induced Autologous Chondrocyte Implantation (MACI) Using a Cell-Seeded Collagen Membrane Improves Cartilage Healing in the Equine Model. AB - BACKGROUND: Autologous chondrocyte implantation (ACI) using a collagen scaffold (matrix-induced ACI; MACI) is a next-generation approach to traditional ACI that provides the benefit of autologous cells and guided tissue regeneration using a biocompatible collagen scaffold. The MACI implant also has inherent advantages including surgical implantation via arthroscopy or miniarthrotomy, the elimination of periosteal harvest, and the use of tissue adhesive in lieu of sutures. This study evaluated the efficacy of the MACI implant in an equine full thickness cartilage defect model at 1 year. METHODS: Autologous chondrocytes were seeded onto a collagen type-I/III membrane and implanted into one of two 15-mm defects in the femoral trochlear ridge of 24 horses. Control defects either were implanted with cell-free collagen type-I/III membrane (12 horses) or were left ungrafted as empty defects (12 horses). An additional 3 horses had both 15-mm defects remain empty as nonimplanted joints. The repair was scored by second-look arthroscopy (12 weeks), and necropsy examination (53 weeks). Healing was assessed by arthroscopic scoring, gross assessment, histology and immunohistology, cartilage matrix component assay, and gene expression determination. Toxicity was examined by prostaglandin E2 formation in joint fluid, and lymph node morphology combined with histologic screening of organs. RESULTS: MACI-implanted defects had improved gross healing and composite histologic scores, as well as increases in chondrocyte predominance, toluidine blue-stained matrix, and collagen type-II content compared with scaffold-only implanted or empty defects. There was minimal evidence of reaction to the implant in the synovial membrane (minor perivascular cuffing), subchondral bone, or cartilage. There were no adverse clinical effects, signs of organ toxicity, or evidence of chondrocytes or collagen type-I/III membrane in draining lymph nodes. CONCLUSIONS: The MACI implant appeared to improve cartilage healing in a critical-sized defect in the equine model compared with collagen matrix alone. CLINICAL RELEVANCE: These results indicate that the MACI implant is quick to insert, provides chondrocyte security in the defect, and improves cartilage healing compared with ACI. PMID- 29206789 TI - Functional Outcomes of the Ream-and-Run Shoulder Arthroplasty: A Concise Follow up of a Previous Report. AB - : We previously reported the results at an average of 4.5 years after treatment of 176 patients with the ream-and-run arthroplasty. In the present study, we present the patient self-reported functional outcomes and clinical implant survival of the original cohort at a mean of 10 years (range, 5 to 16 years). Twenty-eight (16%) of the 176 patients had a subsequent procedure, 11 (6%) died, and 30 (17%) had <5 years of follow-up. The Simple Shoulder Test (SST) score at the time of the latest follow-up was a median of 11 points (interquartile range, 9 to 12 points) and a mean (and standard deviation) of 10 +/- 2.6 points, out of a possible 12 points. The present study demonstrates that the improvement in function and comfort derived from the ream-and-run procedure can be sustained at the time of mid-term follow-up. LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206790 TI - Aspirin for Prophylaxis Against Venous Thromboembolism After Orthopaedic Oncologic Surgery. AB - BACKGROUND: Patients who undergo orthopaedic oncologic surgical procedures are at increased risk of developing a venous thromboembolism (VTE). Guidelines from surgical societies are shifting to include aspirin as a postoperative VTE prophylactic agent. The purpose of this study was to review our experience using aspirin as postoperative VTE prophylaxis for orthopaedic oncologic surgical procedures. METHODS: This study was a retrospective review of patients diagnosed with a primary malignant soft-tissue or bone tumor or metastatic carcinoma. Demographic information, histopathologic diagnosis, VTE history, surgical procedure, and VTE prophylaxis were analyzed. VTE rates in the overall and prophylactic-specific cohorts were recorded and compared. RESULTS: A total of 142 distinct surgical procedures in 130 patients were included. VTE prophylaxis with aspirin was used after 103 procedures, and non-aspirin prophylaxis was used after 39. In 33 cases, imaging was used to investigate for VTE because of clinical signs and symptoms. VTE developed after 7 (4.9%) of the 142 procedures. There were 6 deep venous thromboses (DVTs) and 1 pulmonary embolism, and 2 of the VTEs presented in patients with a VTE history. VTE developed in 2.9% (3) of the 103 aspirin cases and 10.3% (4) of the 39 non-aspirin cases. No patient in the aspirin group who had been diagnosed with metastatic carcinoma, malignant soft tissue sarcoma, lymphoma, or multiple myeloma developed a VTE. Risk factors for VTE development included diabetes mellitus (odds ratio [OR] = 10.40, 95% confidence interval [CI] = 1.61 to 67.30), a history of VTE (OR = 7.26, 95% CI = 1.19 to 44.25), postoperative transfusion (OR = 34.50, 95% CI = 3.94 to 302.01), and estimated blood losses of 250 mL (OR = 1.50, 95% CI = 1.11 to 2.03), 500 mL (OR = 2.26, 95% CI = 1.23 to 4.13), and 1,000 mL (OR = 5.10, 95% CI = 1.52 to 17.04). CONCLUSIONS: Aspirin may be a suitable and effective option for VTE chemoprophylaxis in patients treated with orthopaedic oncologic surgery, especially those diagnosed with a soft-tissue sarcoma. Research with a more advanced study design is required. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206791 TI - Irrigation and Debridement with Component Retention for Acute Infection After Hip Arthroplasty: Improved Results with Contemporary Management. AB - BACKGROUND: There are conflicting data on the results of irrigation and debridement with component retention in patients with acute periprosthetic hip infections. The goals of this study were to examine contemporary results of irrigation and debridement with component retention for acute infection after primary hip arthroplasty and to identify host, organism, antibiotic, or implant factors that predict success or failure. METHODS: Ninety hips (57 total hip arthroplasties and 33 hemiarthroplasties) were diagnosed with acute periprosthetic hip infection (using strict criteria) and were treated with irrigation and debridement and component retention between 2000 and 2012. The mean follow-up was 6 years. Patients were stratified on the basis of McPherson criteria. Hips were managed with irrigation and debridement and retention of well fixed implants with modular head and liner exchange (70%) or irrigation and debridement alone (30%). Seventy-seven percent of patients were treated with chronic antibiotic suppression. Failure was defined as failure to eradicate infection, characterized by a wound fistula, drainage, intolerable pain, or infection recurrence caused by the same organism strain; subsequent removal of any component for infection; unplanned second wound debridement for ongoing deep infection; and/or occurrence of periprosthetic joint infection-related mortality. RESULTS: Treatment failure occurred in 17% (15 of 90 hips), with component removal secondary to recurrent infection in 10% (9 of 90 hips). Treatment failure occurred in 15% (10 of 66 hips) after early postoperative infection and 21% (5 of 24 hips) after acute hematogenous infection (p = 0.7). Patients with McPherson host grade A had a treatment failure rate of 8%, compared with 16% (p = 0.04) in host grade B and 44% in host grade C (p = 0.006). Most treatment failures (12 of 15 failures) occurred within the initial 6 weeks of treatment; failures subsequent to 6 weeks occurred in 3% of those treated with chronic antibiotic suppression compared with 11% of those who were not treated with suppression (hazard ratio, 4.0; p = 0.3). CONCLUSIONS: The success rate was higher in this contemporary series than in many previous series. Systemic host grade A was predictive of treatment success. LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206792 TI - Direct Anterior Hip Replacement Does Not Pose Undue Radiation Exposure Risk to the Patient or Surgeon. AB - BACKGROUND: The fluoroscopically assisted direct anterior approach for total hip arthroplasty has gained interest in recent years. One of the perceived advantages is the use of fluoroscopy to aid in the positioning of implants. The purpose of this study was to measure the radiation entrance surface dose to anatomically important areas of both patients and surgeons during direct anterior approach total hip arthroplasty. METHODS: Radiation dosimetry badges were placed at the sternal notch and pubic symphysis of 50 patients undergoing direct anterior approach total hip arthroplasty. Badges were also placed on the surgeons outside of their lead aprons at the level of the thyroid. Three fellowship-trained arthroplasty surgeons were involved in the study. Radiation exposure of each badge was measured after each case (surgeon and patient). The cumulative dose was also calculated for the surgeons. To limit surgeon bias during the study, 50 consecutive direct anterior approach total hip arthroplasties that occurred prior to this study were analyzed for total fluoroscopic dose and time and served as a control group. RESULTS: Forty-five subjects met study criteria. In the study group, 1 patient had a detectable thyroid exposure equal to 1 mrem. Seven patients had a detectable radiation entrance surface dose at the pubic symphysis (range, 1 to 7 mrem). No radiation entrance surface dose was detectable in the remaining 44 patients at the sternal notch and 38 patients at the pubic symphysis. Surgeons in the study did not experience a detectable radiation entrance surface dose. The mean fluoroscopic time was 13.72 seconds (range, 6.7 to 28.7 seconds). The mean patient radiation exposure was 178 mrem (range, 54 to 526 mrem). CONCLUSIONS: This study demonstrates that during direct anterior approach total hip arthroplasty, the mean patient entrance surface dose at the pubic symphysis and the sternal notch is not detectable in most patients. The mean patient exposure in this study during direct anterior approach total hip arthroplasty was 178 mrem, which is less than a single pelvic radiograph (600 mrem). No surgeon in our study demonstrated a detectable radiation entrance surface dose. Our data suggest that direct anterior approach total hip arthroplasty typically results in a negligible or very low dose of absorbed radiation exposure to the patient and the surgeon. CLINICAL RELEVANCE: We believe this study to have clinical relevance because both patients and surgeons have evidence that utilization of fluoroscopy during direct anterior total hip replacement places both parties at a relatively low radiation exposure risk. PMID- 29206793 TI - Diagnosis and Management of Sacroiliac Joint Dysfunction. PMID- 29206794 TI - What's New in Musculoskeletal Basic Science. PMID- 29206795 TI - What's Important: What Constitutes Success in an Orthopaedic Career?: Defining Success Your Way. PMID- 29206796 TI - Overlapping and Concurrent Surgery: A Professional and Ethical Analysis. AB - Overlapping and concurrent surgeries form a continuum of simultaneous surgical practice in which a single surgeon has 2 or more patients in operating rooms at the same time. Undeniably, in an acute life-or-limb-threatening presentation, it may be essential for a surgeon to care for 2 individual patients simultaneously. These situations are different from scheduled elective surgery. Concurrent surgery is defined as the attending surgeon not being present for "critical and key" portions of a procedure. Billing for concurrent surgical procedures is a violation of the U.S. Centers for Medicare & Medicaid Services guidelines. The American College of Surgeons Statement of Principles (April 2016), adopted by the American Academy of Orthopaedic Surgeons, judges the practice of concurrent surgery to be "inappropriate." Overlapping surgery, although permissible under regulatory guidelines in the United States, presents substantial professional, bioethical, and legal concerns, and threatens our obligation as orthopaedic surgeons to respect the primacy of patient welfare and an individual's autonomy. PMID- 29206797 TI - Instability of the Hip Joint After Posterior Acetabular Wall Fracture: Independent Risk Factors Remain Elusive. AB - BACKGROUND: Exact determinants of hip instability have not been established for fractures of the posterior wall of the acetabulum involving <=50% of the wall. Therefore, examination of the hip under anesthesia (EUA) is routinely performed. Recently, the superior exit point of the fracture has been reported to be an important identifiable risk factor. Pre-existing adult hip dysplasia (developmental dysplasia of the hip [DDH]) is thought to have a similar role. The purpose of this study was to determine if any known radiographic measurements and signs associated with DDH, or any fracture characteristics, are independent risk factors for hip instability after fracture of the posterior wall of the acetabulum. METHODS: All patients with a posterior acetabular wall fracture (OTA 62.A1) treated at our institution between 2004 and 2015 were considered for the study. Inclusion criteria were an age of >=18 years, an isolated posterior acetabular wall fracture involving <=50% of the acetabular wall, adequate imaging, and documented EUA results. Evaluated variables included fracture fragment size, superior exit point of the fracture, center-edge angle, acetabular index, Tonnis angle, lateralized head sign, crossover sign, posterior wall sign, ischial spine sign, and hip version. Data were examined using univariate testing, followed by a multivariate logistic regression analysis. RESULTS: Sixty-eight patients met all of the inclusion criteria. Univariate analyses identified the posterior wall sign (p = 0.033), ischial spine sign (p = 0.030), and proximity of the superior exit point of the fracture to the acetabular dome (p = 0.044) as having a significant association with hip instability. However, multivariate logistic regression modeling revealed that none of these factors were significant independent risk factors. CONCLUSIONS: Consistent with previous studies, univariate analyses identified certain radiographic findings as significant risk factors for hip instability in the setting of a fracture of the posterior wall of the acetabulum. However, subsequent multivariate logistic regression modeling showed that no studied variable was an independent risk factor. Our results indicate that important factors leading to hip instability are yet to be identified or the contributions of the measured variables are relatively small. Therefore, EUA should remain the main clinical determinant of hip stability status. LEVEL OF EVIDENCE: Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence. PMID- 29206798 TI - A Novel Registration-Based Approach for 3D Assessment of Posttraumatic Distal Humeral Deformities. AB - BACKGROUND: With current 3-dimensional (3D) computer-based methods for the assessment of deformities, a surface registration method is applied to superimpose a computer model of the pathological bone onto a mirrored computer model of the contralateral side. However, because of bilateral differences, especially in humeral torsion, such template-based approaches may introduce bias in the assessment of a distal humeral deformity. We hypothesized that a novel registration approach might prove superior to the current approach in reducing such bias, thus yielding improved accuracy of 3D assessment of distal humeral deformities. METHODS: Three-dimensional triangular surface models were generated from computed tomographic (CT) data of 100 paired humeri without a pathological condition. Humeral segments of varying, predetermined lengths, excluding the distal part of the humerus, were defined. A surface registration algorithm was applied to superimpose the humeral models of both sides based on each selected segment. Humeral contralateral registration (HCR) errors, defined as the residual differences in apparent 3D orientation between the distal parts, were evaluated. RESULTS: The mean HCR error (and standard deviation) using the distal-most humeral shaft segment to assess the angular orientation was 2.3 degrees +/- 1.1 (range, 0.5 degrees to 5.8 degrees ). Including the humeral head in the surface registration algorithm, however, as is done currently, resulted in a higher HCR error (p < 0.001). The HCR error using the proximal-most segment was >10 degrees in 20% of the cases and between 5 degrees and 10 degrees in an additional 50% of the cases. By comparison, using the proposed distal-most humeral shaft segment, the HCR error was between 5 degrees and 10 degrees in only 2% of cases, and was never >10 degrees . The proximal segments are nevertheless used in the proposed method for registering humeral length. CONCLUSIONS: The proposed new approach yields a deformity assessment that is less prone to bias arising from inherent bilateral differences and therefore is more accurate than current surface registration approaches. CLINICAL RELEVANCE: Accurate 3D assessment is of fundamental importance if computer-based methods are applied in the correction of posttraumatic deformities. PMID- 29206799 TI - Simulation-Based Educational Module Improves Intern and Medical Student Performance of Closed Reduction and Percutaneous Pinning of Pediatric Supracondylar Humeral Fractures. AB - BACKGROUND: Simulation-based education has been integrated into many orthopaedic residency programs to augment traditional teaching models. Here we describe the development and implementation of a combined didactic and simulation-based course for teaching medical students and interns how to properly perform a closed reduction and percutaneous pinning of a pediatric supracondylar humeral fracture. METHODS: Subjects included in the study were either orthopaedic surgery interns or subinterns at our institution. Subjects all completed a combined didactic and simulation-based course on pediatric supracondylar humeral fractures. The first part of this course was an electronic (e)-learning module that the subjects could complete at home in approximately 40 minutes. The second part of the course was a 20-minute simulation-based skills learning session completed in the simulation center. Subject knowledge of closed reduction and percutaneous pinning of supracondylar humeral fractures was tested using a 30-question, multiple-choice, written test. Surgical skills were tested in the operating room or in a simulated operating room. Subject pre-intervention and post-intervention scores were compared to determine if and how much they had improved. RESULTS: A total of 21 subjects were tested. These subjects significantly improved their scores on both the written, multiple-choice test and skills test after completing the combined didactic and simulation module. Prior to the module, intern and subintern multiple-choice test scores were significantly worse than postgraduate year (PGY) 2 to PGY-5 resident scores (p < 0.01); after completion of the module, there was no significant difference in the multiple-choice test scores. After completing the module, there was no significant difference in skills test scores between interns and PGY-2 to PGY-5 residents. Both tests were validated using the scores obtained from PGY-2 to PGY-5 residents. CONCLUSIONS: Our combined didactic and simulation course significantly improved intern and subintern understanding of supracondylar humeral fractures and their ability to perform a closed reduction and percutaneous pinning of these fractures. PMID- 29206801 TI - Wishing It True Doesn't Make It So: Commentary on an article by Gregory M. Mendez, MD, et al.: "Aspirin for Prophylaxis Against Venous Thromboembolism After Orthopaedic Oncologic Surgery". PMID- 29206800 TI - Outpatient Total Joint Arthroplasty: An Evolving Concept: Commentary on an article by Armin Arshi, MD, et al.: "Outpatient Total Knee Arthroplasty Is Associated with Higher Risk of Perioperative Complications". PMID- 29206802 TI - Another Option in the Armamentarium: Understanding the Role of Irrigation and Debridement to Treat Hip Periprosthetic Joint Infection: Commentary on an article by Andrew J. Bryan, MD, et al.: "Irrigation and Debridement with Component Retention for Acute Infection After Hip Arthroplasty. Improved Results with Contemporary Management". PMID- 29206803 TI - Clinical Indicators of the Need for Telemetry Postoperative Monitoring in Patients With Suspected Obstructive Sleep Apnea Undergoing Total Knee Arthroplasty. AB - BACKGROUND AND OBJECTIVES: Obstructive sleep apnea is associated with increased complication rates postoperatively. Current literature does not provide adequate guidance on management of these patients. This study used the STOP-Bang questionnaire to diagnose patients with possible obstructive sleep apnea (score >=3). We hypothesized that a STOP-Bang score of 3 or greater would significantly correlate with the number of oxygen desaturation episodes during the first 48 hours after total knee arthroscopy. METHODS: The STOP-Bang questionnaire was administered to 110 patients preoperatively. All patients underwent spinal epidural anesthesia with a saphenous nerve block and sedation and were connected to the Nellcor OxiMax N-600x pulse oximeter for 48 hours postoperatively. RESULTS: Final analysis included 98 patients. There was no significant difference in the total number of desaturation events between STOP-Bang groups (score <3 vs >=3 and score <5 vs >=5). The total number of desaturation events on postoperative day 1 was greater than that on day 0 (32.8 +/- 42.7 vs 4.1 +/- 10.0, P < 0.0001). The total number of desaturation events correlated with length of hospital stay (r = 0.329, P = 0.0001). Patients with a preoperative serum CO2 of 30 mmol/L or greater had significantly longer episodes of desaturation on postoperative day 0 compared with CO2 of less than 30 mmol/L (233.7 +/- 410.1 vs 82.0 +/- 126.2 seconds, P = 0.044). CONCLUSIONS: A high preoperative value of CO2 should be a warning for possible prolonged episodes of desaturation postoperatively. An attempt to limit postoperative desaturation events should be made to minimize length of stay. PMID- 29206804 TI - Comparison of Endoscopic Ultrasonography Guided Biliary Drainage and Percutaneous Transhepatic Biliary Drainage in the Management of Malignant Obstructive Jaundice After Failed ERCP. AB - AIMS: The aim of this study is to compare the efficacy and safety of endoscopic ultrasonography guided biliary drainage and percutaneous transhepatic biliary drainage in the management of malignant obstructive jaundice after failed ERCP. METHODS: We performed a prospective study on 66 consecutive patients with malignant obstructive jaundice admitted to our hospital between January 2014 and January 2016 [corrected]. Patients were performed endoscopic ultrasonography guided biliary drainage in 36 cases (group A) and percutaneous transhepatic biliary drainage in 30 cases (group B) according to the results of the draw. Data on the following variables were compared between the 2 groups: the technical success rate, the clinical success rate, complications, length of hospital stay, and hospital costs. RESULTS: There was statistically significant difference in the clinical success rate (88.89% vs. 66.67%; chi=4.84), complications (5.56% vs. 23.33%; chi=4.39), length of hospital stay (11.54+/-3.73 d vs. 15.68+/-6.56 d; t=8.17) and hospital costs (23.52+/-8.44 thousand yuan vs. 32.81+/-6.06 thousand yuan; t=16.28) (P<0.05) between group A and group B. The technical success rate was higher in groups A than that in group B, although the difference did not reach statistical significance (94.44% vs. 86.67%; chi=1.20; P>0.05). CONCLUSIONS: In the treatment of malignant obstructive jaundice, endoscopic ultrasonography guided biliary drainage is safer and more effective than percutaneous transhepatic biliary drainage when performed by experienced practitioners after failed ERCP. Its more widespread use is recommended. PMID- 29206805 TI - Axial to Centrifugal Continuous Flow LVAD Pump Exchange Using Minimally Invasive Technique. AB - Driveline or device infection may complicate left ventricular assist device implants, and only curative option may be pump exchange. Replacement with similar device may be liable to reinfection, because pump configuration is such that the new device and driveline may partly lie within the pocket of the previous pump. One approach to overcome this is using a different pump design such that the new pump would lie in a different location from the old pump. We describe treatment of severe HeartMate II (Abbott, [St Jude Thoratec Corp], Pleasanton, CA USA) left ventricular assist device infection by minimally invasive exchange to an intrapericardial HVAD (HeartWare International, Inc, Framingham, MA USA) left ventricular assist device. PMID- 29206806 TI - Ultra-High Performance Liquid Chromatography Tandem Mass Spectrometry for Cyclosporine Analysis in Human Whole Blood and Comparison With an Antibody Conjugated Magnetic Immunoassay. AB - BACKGROUND: Various immunoassays have been used for cyclosporine A (CsA) analysis in human whole blood; however, they could not fully satisfy the requirements of criteria for accuracy and specificity in CsA measurement. The liquid chromatography tandem mass spectrometry is a gold method for CsA analysis. The aim of the study was to develop and validate an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method for CsA analysis and establish its agreement with an antibody-conjugated magnetic immunoassay (ACMIA) in clinical sample analysis. METHODS: An UHPLC-MS/MS method for CsA analysis in human whole blood was developed, validated, and applied in 85 samples, which were also tested by ACMIA. The agreement between UHPLC-MS/MS and ACMIA was evaluated by Bland-Altman plot. RESULTS: The calibration range was 5-2000 ng/mL. The inaccuracy and imprecision were -4.60% to 5.56% and less than 8.57%, respectively. The internal standard-normalized recovery and matrix factor were 100.4%-110.5% and 93.5%-107.6%, respectively. The measurements of ACMIA and UHPLC MS/MS were strongly correlated (r > 0.98). Evaluated by Bland-Altman plot, the 95% limit of agreement of the ACMIA:UHPLC-MS/MS ratio was 88.7%-165.6%, and the mean bias of the ratio was 21.1%. CONCLUSIONS: A rapid, simple, accurate, and reliable UHPLC-MS/MS method for CsA analysis in human whole blood was developed, validated, and applied in 85 samples. On average, 21.1% overestimation was observed in ACMIA compared with that in the UHPLC-MS/MS. Further and larger studies are required to identify whether this degree of variance could be accepted by clinicians. PMID- 29206807 TI - Comparison of the Arktm Immunoassay With Hplc-Uv for Therapeutic Drug Monitoring of Linezolid. AB - BACKGROUND: An enzymatic immunoassay is under development by ARK Diagnostics, Inc. for the quantification of plasma concentrations of linezolid (LZD). In the present study, the authors aimed to assess the performance of this immunoassay using a validated HPLC-UV method as reference. METHODS: Within- and between-day in vitro inaccuracy and imprecision of the ARK LZD assay were firstly tested using spiked quality controls (QC) provided by the kit manufacture. Subsequently, the performance of the immunoassay was verified in vivo by analyzing 170 trough LZD plasma samples from patients on antibiotic therapy. RESULTS: Imprecision of the spiked QCs resulted in every instance less than 7.0% and the inaccuracy ranged from -1.5% to 6.6%. The linear correlation between the two methods was documented by the Pearson analysis of plasma samples from patients on LZD therapy (coefficient = 0.9619). By Bland-Altman comparison, 8.2% of the patient samples resulted out of the limits ranging from -27.0% to +33.5%, with the large majority of them having LZD concentrations exceeding 10 mg/L. CONCLUSIONS: Acceptable analytical performance of the ARK LZD immunoassay has been demonstrated both with spiked QC and patients' samples, making it a viable alternative to HPLC for the TDM of LZD in clinical practice in laboratory hospitals that do not have HPLC equipment. PMID- 29206808 TI - Extrinsic Calcitonin Gene-Related Peptide Inhibits Hyperoxia-Induced Alveolar Epithelial Type II Cells Apoptosis, Oxidative Stress, and Reactive Oxygen Species (ROS) Production by Enhancing Notch 1 and Homocysteine-Induced Endoplasmic Reticulum Protein (HERP) Expression. AB - BACKGROUND Lung alveolar epithelial type II cells (AEC II) are the most important stem cells in lung tissues, which are critical for wound repair of bronchopulmonary dysplasia (BPD). This study investigated the effects of calcitonin gene-related peptide (CGRP) on AEC II cells exposed to hyperoxia. MATERIAL AND METHODS Neonatal rat AEC II cells were isolated and identified by detecting surfactant protein C (SP-C). Three small interfering RNAs targeting Notch 1 were synthesized and transfected into AEC II. A hyperoxia-exposed AEC II cell injury model was established and was divided into 8 groups. MDA levels and SOD activity were examined using lipid peroxidation assay kits. Apoptosis and reactive oxygen species (ROS) production were evaluated using flow cytometry. Notch 1 mRNA expression was examined using RT-PCR. Homocysteine-induced endoplasmic reticulum protein (HERP) was examined using Western blot analysis. RESULTS CGRP treatment significantly enhanced MDA levels and decreased SOD activity compared to hyperoxia-treated AEC II cells (P<0.05). CGRP treatment significantly inhibited hyperoxia-induced AEC II cell apoptosis, and significantly suppressed hyperoxia-induced ROS production compared to hyperoxia treated AEC II cells (P<0.05) either undergoing g secretase inhibitor or Notch RNA interference. CGRP significantly triggered Notch 1 mRNA expression and significantly enhanced HERP expression compared to hyperoxia-treated AEC II cells (P<0.05) either undergoing g secretase inhibitor or Notch RNA interference. CONCLUSIONS In AEC II cells, extrinsic peptide CGRP suppressed hyperoxia-induced apoptosis, oxidative stress, and ROS production, which may be triggered by Notch 1 and HERP signaling pathway. PMID- 29206809 TI - Effect of recombinant human growth hormone therapy on blood lipid and carotid intima-media thickness in children with growth hormone deficiency. AB - BackgroundReports on the association between growth hormone deficiency (GHD) and cardiovascular risk factors in children are limited. We aim to investigate the effect of different doses of recombinant human growth hormone (rhGH) therapy on blood lipid and carotid intima-media thickness (cIMT) in Chinese GHD children.MethodsNinety children, including sixty isolated GHD children and thirty healthy children, were enrolled. GHD children were randomly divided into two groups (A and B) according to the rhGH dose given: group A received 0.23 mg/kg/week and group B received 0.35 mg/kg/week for 12 months. The TC, TG, LDL-C, HDL-C, and cIMT at baseline and after treatment were measured.ResultsThe height, weight, and height velocity improved significantly over 12 months of rhGH therapy in all GHD children. At baseline, GHD children in both the treatment groups showed significantly higher total cholesterol (TC), triglyceride (TG), low density lipoprotein-cholesterol (LDL-C), cIMT, and lower high-density lipoprotein cholesterol (HDL-C) than healthy children (all P<=0.033). After the 12-month rhGH therapy, a significant decrease in the TC, TG, LDL-C, and cIMT, as well as a significant increase in the HDL-C (P<=0.046), was observed in the GHD children, with change in the group B being even more marked.ConclusionsThe RhGH replacement therapy in GHD children can improve both the blood lipid profile and carotid intima-media thickness, with higher-dose rhGH therapy showing superior effects. PMID- 29206810 TI - mGluR5 Modulation of Behavioral and Epileptic Phenotypes in a Mouse Model of Tuberous Sclerosis Complex. AB - Drugs targeting metabotropic glutamate receptor 5 (mGluR5) have therapeutic potential in autism spectrum disorders (ASD), including tuberous sclerosis complex (TSC). The question whether inhibition or potentiation of mGluR5 could be beneficial depends, among other factors, on the specific indication. To facilitate the development of mGluR5 treatment strategies, we tested the therapeutic utility of mGluR5 negative and positive allosteric modulators (an mGluR5 NAM and PAM) for TSC, using a mutant mouse model with neuronal loss of Tsc2 that demonstrates disease-related phenotypes, including behavioral symptoms of ASD and epilepsy. This model uniquely enables the in vivo characterization and rescue of the electrographic seizures associated with TSC. We demonstrate that inhibition of mGluR5 corrects hyperactivity, seizures, and elevated de novo synaptic protein synthesis. Conversely, positive allosteric modulation of mGluR5 results in the exacerbation of hyperactivity and epileptic phenotypes. The data suggest a meaningful therapeutic potential for mGluR5 NAMs in TSC, which warrants clinical exploration and the continued development of mGluR5 therapies. PMID- 29206812 TI - When and How to Stop Surveillance Colonoscopy in Older Adults: Five Rules of Thumb for Practitioners. PMID- 29206813 TI - A Randomized Double-Blind, Placebo-Controlled, Cross-Over Study Using Baclofen in the Treatment of Rumination Syndrome. AB - OBJECTIVES: Both rumination syndrome and supra-gastric belching (SGB) have limited treatment options. We demonstrated (open-label) that baclofen reduces pressure flow events in these patients. We aimed to study the effect of baclofen in a placebo-controlled, double-blind, cross-over study in patients with clinically suspected rumination and/or SGB. METHODS: Twenty tertiary-care patients (mean age 42 years (range 18-61), 13f) with clinically suspected rumination and/or SGB were randomized to receive baclofen (10 mg, t.i.d) or placebo for 2 weeks with cross-over to the alternative intervention after a 1 week wash-out period. At the end of each treatment period, patients underwent a solid-state high-resolution impedance manometry measurement, during which they registered symptoms. Patients received a solid meal and recordings continued for 1 h. They scored overall treatment evaluation (OTE) on a -3 to +3 scale. RESULTS: Both the number of regurgitation event markers and rumination episodes were significantly decreased after baclofen (6 (0-19) vs. 4 (0-14), P=0.04; 13 (8-22) vs. 8 (3-11), P=0.004). The number of SGB episodes was similar in both groups. Lower esophageal sphincter (LES) pressure was significantly higher and the number of transient LES relaxations was significantly lower after baclofen (17.8 (12.7 22.7) vs. 13.1 (7.2-16.9) mm Hg, P=0.0002; 4(1-8) vs. 7(3-12), P=0.17). The number of reflux events decreased in the baclofen condition (4 (1-9) vs. 3 (0-6), P=0.03). Straining episodes were similar in both arms, but the rumination/straining ratio was significantly lower in the baclofen arm (0.06 (0 0.32) vs. 0.33 (0-0.51), P=0.0012). OTE was superior after baclofen compared to placebo (P=0.03). CONCLUSIONS: Baclofen is an effective treatment option for patients with rumination syndrome, probably through its effect on LES pressure. PMID- 29206814 TI - Expanding the Facebook Platform to Engage and Educate Online Communities. PMID- 29206815 TI - Novel Intra-Procedural Distensibility Measurement Accurately Predicts Immediate Outcome of Pneumatic Dilatation for Idiopathic Achalasia. AB - OBJECTIVES: Often 2-3 graduated pneumatic dilatations (PD) are required to treat achalasia as there is no current intra-procedural predictor of clinical response. Distensibility measurements using functional lumen imaging probe (FLIP) may provide an intra-procedural predictor of outcome. Our aim was to determine the optimal criterion for esophagogastric junction (EGJ) distensibility measurements during PD that predicts immediate clinical response. METHODS: EGJ distensibility was prospectively measured using FLIP immediately pre- and post-PD. The EGJ distensibility index (EGJ-DI) was defined as a ratio of the narrowest cross sectional area and the corresponding intra-bag pressure at 40 ml distension. Immediate and short-term clinical responses were defined as Eckardt score <=3 assessed 2 weeks Post-PD and at 3-month follow-up, respectively. RESULTS: In 54 patients, we performed thirty-seven 30 mm; twenty 35 mm and six 40 mm PDs. The short-term response rate to the graded PD was 93% (27/29) in newly diagnosed achalasia; 87% (13/15) and 70% (7/10) in those who had relapsed after previous PD and Heller's Myotomy, respectively. Among those demonstrating an immediate response, EGJ-DI increased by an average of 4.5 mm2/mmHg (95% CI (3.5, 5.5) (P<0.001). Within-subject Delta EGJ-DI was highly predictive of immediate clinical response with AUROC of 0.89 (95% CI [0.80, 0.98], P<0.001). An increment in EGJ-DI of 1.8 mm2/mmHg after a single PD predicts an immediate response with an accuracy of 87%. CONCLUSIONS: FLIP-measured Delta EGJ-DI is a novel intra procedural tool that accurately predicts immediate clinical response to PD in achalasia. This technique may potentially dictate an immediate mechanism to "step up" dilator size within a single endoscopy session. PMID- 29206811 TI - Neuronal Mechanisms for Sleep/Wake Regulation and Modulatory Drive. AB - Humans have been fascinated by sleep for millennia. After almost a century of scientific interrogation, significant progress has been made in understanding the neuronal regulation and functions of sleep. The application of new methods in neuroscience that enable the analysis of genetically defined neuronal circuits with unprecedented specificity and precision has been paramount in this endeavor. In this review, we first discuss electrophysiological and behavioral features of sleep/wake states and the principal neuronal populations involved in their regulation. Next, we describe the main modulatory drives of sleep and wakefulness, including homeostatic, circadian, and motivational processes. Finally, we describe a revised integrative model for sleep/wake regulation. PMID- 29206816 TI - Optimizing Selection of Biologics in Inflammatory Bowel Disease: Development of an Online Patient Decision Aid Using Conjoint Analysis. AB - OBJECTIVES: Recent drug approvals have increased the availability of biologic therapies for inflammatory bowel disease (IBD), making it difficult for patients with ulcerative colitis (UC) and Crohn's disease (CD) to navigate treatment options. Here we developed a conjoint analysis to examine patient decision-making surrounding biologic medicines for IBD. We used the results to create an online patient decision aid that generates a unique "preferences report" for each patient to assist with shared decision-making with their provider. METHODS: We administered an adaptive choice-based conjoint survey to IBD patients that quantifies the relative importance of biologic attributes (e.g., efficacy, side effect profile, mode of administration, and mechanism of action) in decision making. The conjoint software determined individual patient preferences by calculating part-worth utilities for each attribute. We conducted regression analyses to determine if demographic and disease characteristics (e.g., type of IBD and severity) predicted how patients made decisions. RESULTS: 640 patients completed the survey (UC=304; CD=336). In regression analyses, demographics and IBD characteristics did not predict individual patient preferences; the main exception was IBD type. When compared to UC, CD patients were more likely to report side effect profile as most important (odds ratio (OR) 1.63, 95% confidence interval (CI) 1.16-2.30). Conversely, those with UC were more likely to value therapeutic efficacy (OR 1.41, 95% CI 1.01-2.00). CONCLUSIONS: Biologic decision-making is highly personalized; demographic and disease characteristics poorly predict individual preferences, indicating that IBD patients are unique and difficult to statistically categorize. The online decision tool resulting from this study (www.ibdandme.org) may be used by patients to support shared decision-making and optimize personalized biologic selection with their provider. PMID- 29206817 TI - Quality of Care and the Irritable Bowel Syndrome: Is Now the Time to Set Standards? PMID- 29206818 TI - HCV Therapy in Decompensated Cirrhosis before or after Liver Transplantation: A Paradoxical Quandary. PMID- 29206820 TI - [General practitioner certification]. AB - La regulacion de la profesion medica es un proceso antiguo en nuestro pais. Desde los tiempos del virreinato existia el Real Tribunal del Protomedicato, que tenia como funcion examinar a los medicos, cirujanos y boticarios para ser autorizados a ejercer su profesion; con el tiempo, esta funcion se fue relegando en otras estructuras administrativas que se fueron modificando, pero que la mantuvieron en vigor. PMID- 29206819 TI - Mechanisms of inactivation of the tumour suppressor gene RHOA in colorectal cancer. AB - BACKGROUND: Reduced RHOA signalling has been shown to increase the growth/metastatic potential of colorectal tumours. However, the mechanisms of inactivation of RHOA signalling in colon cancer have not been characterised. METHODS: A panel of colorectal cancer cell lines and large cohorts of primary tumours were used to investigate the expression and activity of RHOA, as well as the presence of RHOA mutations/deletions and promoter methylation affecting RHOA. Changes in RHOA expression were assessed by western blotting and qPCR after modulation of microRNAs, SMAD4 and c-MYC. RESULTS: We show here that RHOA point mutations and promoter hypermethylation do not significantly contribute to the large variability of RHOA expression observed among colorectal tumours. However, RHOA copy number loss was observed in 16% of colorectal tumours and this was associated with reduced RHOA expression. Moreover, we show that miR-200a/b/429 downregulates RHOA in colorectal cancer cells. In addition, we found that TGF beta/SMAD4 upregulates the RHOA promoter. Conversely, RHOA expression is transcriptionally downregulated by canonical Wnt signalling through the Wnt target gene c-MYC that interferes with the binding of SP1 to the RHOA promoter in colon cancer cells. CONCLUSIONS: We demonstrate a complex pattern of inactivation of the tumour suppressor gene RHOA in colon cancer cells through genetic, transcriptional and post-transcriptional mechanisms. PMID- 29206821 TI - [Analysis of road traffic injuries in Mexican cyclists]. AB - With the objective of analyzing fatal and non-fatal road traffic injuries in cyclists and to document helmet use in this road user to inform sustainable mobility policies, a descriptive analysis of four secondary official information sources was conducted at the national level: mortality, Ministry of Health's hospital discharges, Unintentional and Violence Registry System (SIS-SS-17-P) and the 2012 National Health and Nutrition Survey (ENSANUT). Only SIS-SS-17-P and ENSANUT document helmet use. Except for ENSANUT information analyzed is of 2014.A total of 190 cyclists died in Mexico during 2014 and 392 were hospitalized; head was the anatomical region most frequently affected (63% and 32%, respectively). Only 0.75% of the 667 cases registered in SIS-17 reported helmet use and 24% suffered head injuries. Of the 165,348 non-fatally injured cyclists from ENSANUT <10% used helmet, 24% had head injuries and more than 16,000 suffered permanent injuries. Whereas cyclist-friendly infrastructure is an effective intervention to prevent injuries in the long term, helmet use could potentially reduce the frequency and severity of head injuries in the short run while bicycle use widespread as a means of transportation providing "safety in numbers". PMID- 29206822 TI - Analysis of accidents and injuries on motorcycles in Mexico. AB - OBJECTIVE: To analyze the type of injuries and the characteristics and geographical distribution of road accidents where motorcycles were involved in Mexico. METHODS: A descriptive analysis of second-hand information sources was conducted, including the number of accidents (N = 41,881), total number of injured people (N = 13,916) and medical expenses (N = 9,111) associated to motorcycle accidents during 2014. RESULTS: Motorcycles represent 13.14% of the total number of deaths in road accidents in Mexico, and the Southeast region of Mexico registers the highest proportion of fatal injuries. Of the total number of motorcycles, 1.84% (95% confidence interval [CI]: 1.83-1.86) were involved in a collision. 3.64 (95% CI: 3.39-3.89) people died and 105.5 (95% CI: 104.1-106.8) were injured in every 10,000. Out of the total number of injuries, 76.6% were male and 53.74% were women. 55.1% of deaths were caused by intracranial trauma. Only 16.6% wore a helmet at the time of the accident, and those not wearing a helmet had a 2.11 (odds ratio [OR]: 2.1; CI 95%: 1.8-2.4) higher chance of head injury. Regarding the severity of the crash, those occurred in suburban areas (OR: 6.58; CI 95%: 5.69-7.60), in unpaved surfaces (OR: 4.13; CI 95%: 3.04-5.61), after low alcohol consumption (OR: 1.89; CI 95%: 1.46-2.44), at night (OR: 2.24; CI 95%: 1.95-2.57) and on weekends (OR: 1.65; CI 95%: 1.44-1.90), had the highest chance of turning into a fatal accident. CONCLUSIONS: In spite of the progress made in terms of road safety, motorcycle accidents are still increasing, and the use of a helmet is still proportionally low. More information on these groups and risk factors needs to be available so people are better informed. Also, regulations need improvements regarding the use of security equipment like helmets in order to reduce injuries and fatal accidents. PMID- 29206823 TI - [Thoracic and lumbar fractures in adolescents. An eight-year study]. AB - METHODS: In order to know the characteristics of these lesions in our environment and compare with those the adults, a transversal and descriptive study of adolescents between 12 and 18 years who were hospitalized for thoracic and lumbar fracture in two centers of high level trauma in our country for 8 years was performed. The variables studied were applied statistical analysis descriptive and correlation. RESULTS: They were found significant date by associating the causes of damage with associated lesions (p = 0.006) and the initial neurological damage associated with the final neurological damage (p = 0.000). DISCUSSION: They were registered seven teenagers with 10 fractures firearm, as rare cause of injury. An increase in the frequency of thoracic and lumbar fractures in adolescents with increasing age was found. The thoracic and lumbar fractures in adolescents caused by road accidents are associated with lesions in the chest and abdomen. And when are caused by falls are associated with lower extremity fractures. In addition, 13.5% of cases showed significant changes toward improvement in the initial neurological damage. PMID- 29206824 TI - [Approach to percutaneous nephrolithotomy. Comparison of the procedure in a one shot versus the sequential with metal dilata]. AB - INTRODUCTION: Percutaneous nephrolithotomy is an efficient approach for treatment of different types of kidney stones. Various types of access techniques have been described like sequential dilatation and one-shot procedure. OBJECTIVE: To determine the differences in time of exposure to X-rays and hemoglobin levels between techniques. METHODS: Controlled clinical trial. Patients older than 18 years with complex/uncomplicated kidney stones, without urine infection were included. They were assigned randomly to one of the two techniques. Response variables were determined before and 24 h after procedures. RESULTS: 59 patients were included: 30 underwent one-shot procedure (study-group) and 29 sequential dilatation (control-group). Baseline characteristics were similar. Study group had a lower postoperative hemoglobin decline than control group (0.81 vs. 2.03 g/dl, respectively; p < 0.001); X-ray exposure time (69.6 vs. 100.62 s; p < 0.001) and postoperative creatinine serum levels (0.93 +/- 0.29 vs. 1.13 +/- 0.4 mg/dl; p = 0.039). No significant differences in postoperative morbidity were found. CONCLUSION: One-shot technique demonstrated better results compared to sequential dilatation. PMID- 29206825 TI - Clinical competence of Guatemalan and Mexican physicians for family dysfunction management. AB - OBJECTIVE: To evaluate the clinical competence of Mexican and Guatemalan physicians to management the family dysfunction. METHODS: Cross comparative study in four care units first in Guadalajara, Mexico, and four in Guatemala, Guatemala, based on a purposeful sampling, involving 117 and 100 physicians, respectively. Clinical competence evaluated by validated instrument integrated for 187 items. Non-parametric descriptive and inferential statistical analysis was performed. RESULTS: The percentage of Mexican physicians with high clinical competence was 13.7%, medium 53%, low 24.8% and defined by random 8.5%. For the Guatemalan physicians'14% was high, average 63%, and 23% defined by random. There were no statistically significant differences between healthcare country units, but between the medium of Mexicans (0.55) and Guatemalans (0.55) (p = 0.02). CONCLUSION: The proportion of the high clinical competency of Mexican physicians' was as Guatemalans. PMID- 29206826 TI - [Response to serotonergic and noradrenergic antidepressants: a crossover study of fluoxetine and desipramine in patients with first major depression episode]. AB - BACKGROUND: Response rate data from studies with different kinds of antidepressant drugs help in the development of guidelines for the rational prescription of pharmacotherapy. However, there are still few comparative studies with selective reuptake inhibition on serotonin or norepinephrine in the same sample of major depression patients. METHODS: First episode major depression (DSM III-R) outpatients who completed 6 weeks in two double-blind randomized trials with fluoxetine and desipramine were crossed over to treatment with the other drug under open conditions for 6 weeks. Response was considered if patient's final Hamilton depression scale score decreased 50% or more from baseline. RESULTS: No significant differences were found by drug treatment or sequence of treatment. Ten of the 18 patients (55.5%) were responders to both fluoxetine and desipramine, 3 (16.6%) were resistant to fluoxetine, 3 (16.6%) to desipramine and 2 (11.1%) to both drugs. DISCUSSION: These data suggest that among first major depressive episode outpatients fluoxetine and desipramine are equally effective. In patients who have been non-responders to one of the studied drugs, the other one is strikingly effective; this kind of treatment maneuver should be considered in such patients. PMID- 29206827 TI - [Health obligation or health fascism]. AB - El Dr. Lifshitz presenta un editorial interesante sobre la campana de una region de Italia que pretendia que la salud debia ser obligatoria y que quien no la obedeciera tendria pena de muerte. Esta pretension, que de entrada resulta simpatica, quiza muestra la desesperacion de un sistema de salud que se ve rebasado presupuestalmente con el incremento de la esperanza de vida y, por ende, de la presentacion de enfermedades cronicas degenerativas en la poblacion. PMID- 29206828 TI - Chest trauma of Alexander the Great, a pneumology approach. AB - Delgado-Garcia, et al. presentan una disertacion amplia, con revision historica profunda, de la lesion toracica que sufrio Alejandro Magno por el disparo de una saeta de dos codos de largo (88 cm) en la batalla contra los malios, donde a traves de diversas narraciones se ha considerado que sufrio un neumotorax y que debido a la gravedad de la lesion sus medicos decidieron retirar el objeto punzocortante, obteniendose aire y sangre posextraccion; el emperador perdio el estado de alerta, recuperandose posteriormente la herida y permitiendole montar a caballo a los pocos dias. Los autores finalizan con la frase "Lo sucedido despues del flechazo torna inverosimil la posibilidad de un neumotorax". PMID- 29206829 TI - [Transition from Millennium Development Goals to Sustainable Development Goals from the perspective of the social determinants of health and health equity]. AB - The United Nations Declaration of 2000 agreed on eight millennium development goals (MDGs) to be met in 2015. The results show that poverty continues through population growth and advances in both rich and poor countries are threatened by economic crises and inequities in geographic areas and population groups within countries. In a globalized world with great social and economic inequalities, from the perspective of the social determinants of health (SDH), the relevance of the new 17 sustainable development goals (SDGs) is greater. Faced with the health challenges in our country to achieve SDGs, the symposium "The transition from MDGs to SDGs from the perspective of SDH and health equity" was presented at the XLIV Congress of the National Academy of Medicine. The presentations dealt with five important aspects of the transition in Mexico: background and context; the current state of the MDGs in childhood; the impact on gender equity and adolescent fertility; the health system and the theme of environmental health and were presented by Dr. Raffaela Schiavon, Jacobo Finkelman, Luis Jasso and Rafael Lozano. PMID- 29206830 TI - [The masters of thoracic trauma in the Central Hospital of the Mexican Red Cross. Their story and legacy]. AB - The branches of medicine responsible for the care of victims of different types of injuries were born as a result of the urgent need to save lives during the wars. In Mexico, one of the first hospitals developed for the care of injured patients was the Central Hospital of the Mexican Red Cross. The aim of this article is to pay tribute to the first service for the care of patients with chest trauma, founded in 1954, its founders and those who have continued with their work: Dr. Pedro Garza Alegria, Dr. Octavio Rivas Solis Dr. Jesus Genis Becerra, etc. In 64 years of existence, there have been trained eight specialists in cardiothoracic surgery and three of them have worked in the Central Hospital of the Mexican Red Cross. PMID- 29206831 TI - Prognostic value of ALDH2 polymorphism for patients with oropharyngeal cancer in a Japanese population. AB - BACKGROUND: Half of Japanese possess a polymorphism of aldehyde dehydrogenase 2(ALDH2), while few white individuals possess this mutation. The purpose of this study was to investigate the possibility of ALDH2 polymorphism as a prognostic factor for oropharyngeal cancer (OPC) among Japanese population. METHODS: We analyzed 82 Japanese patients with OPC treated between 2006 and 2011. The median observation period was 50 months. P16-staining and ALDH2 polymorphisms were investigated. To examine the frequencies of second primary pharyngeal and esophageal cancers (SPPEC),37 Japanese patients with OPC treated at Tokyo University Hospital were included for statistical analysis. RESULTS: Statistically significant differences were noted in OS among sex, age, N classification, and p16 (p = 0.045, 0.024, 0.020, 0.007, respectively). In addition, OS and DSS rates of the patients with heterozygous ALDH2 tended to be worse than those of the patients with homozygous ALDH2 (p = 0.21, 0.086, respectively). Of note, OS and DSS of the patients with p16-negative OPC and heterozygous ALDH2 was significant poorer than those of the patients with p16 positive OPC (p = 0.002, 0.006, respectively), while there was no significant difference in OS and DSS between patients with p16-positive OPC and patients with p16-negative OPC and homozygous ALDH2. CONCLUSIONS: ALDH2 polymorphism might be a promising prognostic factor for Japanese patients with p16-negative OPC. PMID- 29206832 TI - The effects of dipeptidyl peptidase-4 inhibitors on bone fracture among patients with type 2 diabetes mellitus: A network meta-analysis of randomized controlled trials. AB - AIM: The association between dipeptidyl peptidase-4 inhibitors (DPP-4is), a class of anti-diabetes, and bone fracture in patients with type 2 diabetes mellitus (T2DM) is unknown. This meta-analysis aimed to systematically evaluate the effects of DPP-4is on bone fracture in T2DM patients. METHODS: We searched the Cochrane Library, Embase, Medline and ClinicalTrials.gov from inception through April 28th, 2016 to identify randomized controlled trials (RCTs) that compared DPP-4is with placebo or other anti-diabetes in T2DM patients. RCTs lasting more than 12 weeks and having data on bone fracture were included. We conducted random effects meta-analysis to estimate odds ratios (ORs) and their 95% confidence intervals (CIs), and network meta-analysis (NMA) to supplement direct comparisons. Predictive interval plot and node-splitting method were used to evaluate the heterogeneity and inconsistency for NMA, while the funnel plot was applied to explore publication bias. Besides, study quality was assessed according to Cochrane risk of bias tool. RESULTS: We identified 75 RCTs with a total of 70,207 patients and 11 treatments: interventions included 5 DPP-4is (alogliptin, linagliptin, saxagliptin, sitagliptin, vildagliptin), while controls included placebo and 5 other anti-diabetes (sulfonylureas, glucagon-like peptide 1 receptor agonists, metformin, thiazolidinediones, sodium-glucose co-transporter 2 inhibitors). In the NMA, the risk of fracture for alogliptin tended to decrease when versus placebo (OR, 0.51; 95% CI, 0.29 to 0.88). Besides, aloglitpin had a lower risk compared with linagliptin (OR, 0.45; 95% CI, 0.20 to 0.99) and saxagliption (OR, 0.46; 95%CI, 0.25 to 0.84); the risk was higher with saxagliptin when versus sitagliptin (OR, 1.90; 95% CI, 1.04 to 3.47) and sulfonylureas (OR, 1.98; 95% CI, 1.06 to 3.71). In the direct pairwise meta analysis, alogliptin was associated with a non-significant tendency to reduction of bone fracture compared with placebo (OR, 0.54; 95% CI, 0.29 to 1.01). Ranking probability analysis indicated alogliptin decreased the risk of bone fracture most with a probability of 76.3%. CONCLUSION: Alogliptin may be associated with a lower risk of bone fracture compared with placebo, linagliptin, or saxagliptin, while other anti-diabetes did not seem to have an association with the risk of bone fracture. PMID- 29206833 TI - Effects of women's groups practising participatory learning and action on preventive and care-seeking behaviours to reduce neonatal mortality: A meta analysis of cluster-randomised trials. AB - BACKGROUND: The World Health Organization recommends participatory learning and action (PLA) in women's groups to improve maternal and newborn health, particularly in rural settings with low access to health services. There have been calls to understand the pathways through which this community intervention may affect neonatal mortality. We examined the effect of women's groups on key antenatal, delivery, and postnatal behaviours in order to understand pathways to mortality reduction. METHODS AND FINDINGS: We conducted a meta-analysis using data from 7 cluster-randomised controlled trials that took place between 2001 and 2012 in rural India (2 trials), urban India (1 trial), rural Bangladesh (2 trials), rural Nepal (1 trial), and rural Malawi (1 trial), with the number of participants ranging between 6,125 and 29,901 live births. Behavioural outcomes included appropriate antenatal care, facility delivery, use of a safe delivery kit, hand washing by the birth attendant prior to delivery, use of a sterilised instrument to cut the umbilical cord, immediate wrapping of the newborn after delivery, delayed bathing of the newborn, early initiation of breastfeeding, and exclusive breastfeeding. We used 2-stage meta-analysis techniques to estimate the effect of the women's group intervention on behavioural outcomes. In the first stage, we used random effects models with individual patient data to assess the effect of groups on outcomes separately for the different trials. In the second stage of the meta-analysis, random effects models were applied using summary level estimates calculated in the first stage of the analysis. To determine whether behaviour change was related to group attendance, we used random effects models to assess associations between outcomes and the following categories of group attendance and allocation: women attending a group and allocated to the intervention arm; women not attending a group but allocated to the intervention arm; and women allocated to the control arm. Overall, women's groups practising PLA improved behaviours during and after home deliveries, including the use of safe delivery kits (odds ratio [OR] 2.92, 95% CI 2.02-4.22; I2 = 63.7%, 95% CI 4.4%-86.2%), use of a sterile blade to cut the umbilical cord (1.88, 1.25-2.82; 67.6%, 16.1%-87.5%), birth attendant washing hands prior to delivery (1.87, 1.19 2.95; 79%, 53.8%-90.4%), delayed bathing of the newborn for at least 24 hours (1.47, 1.09-1.99; 68.0%, 29.2%-85.6%), and wrapping the newborn within 10 minutes of delivery (1.27, 1.02-1.60; 0.0%, 0%-79.2%). Effects were partly dependent on the proportion of pregnant women attending groups. We did not find evidence of effects on uptake of antenatal care (OR 1.03, 95% CI 0.77-1.38; I2 = 86.3%, 95% CI 73.8%-92.8%), facility delivery (1.02, 0.93-1.12; 21.4%, 0%-65.8%), initiating breastfeeding within 1 hour (1.08, 0.85-1.39; 76.6%, 50.9%-88.8%), or exclusive breastfeeding for 6 weeks after delivery (1.18, 0.93-1.48; 72.9%, 37.8%-88.2%). The main limitation of our analysis is the high degree of heterogeneity for effects on most behaviours, possibly due to the limited number of trials involving women's groups and context-specific effects. CONCLUSIONS: This meta analysis suggests that women's groups practising PLA improve key behaviours on the pathway to neonatal mortality, with the strongest evidence for home care behaviours and practices during home deliveries. A lack of consistency in improved behaviours across all trials may reflect differences in local priorities, capabilities, and the responsiveness of health services. Future research could address the mechanisms behind how PLA improves survival, in order to adapt this method to improve maternal and newborn health in different contexts, as well as improve other outcomes across the continuum of care for women, children, and adolescents. PMID- 29206834 TI - Influence of socioeconomic status on the whole blood transcriptome in African Americans. AB - BACKGROUND: The correlation between low socioeconomic status (SES) and poor health outcome or higher risk of disease has been consistently reported by many epidemiological studies across various race/ancestry groups. However, the biological mechanisms linking low SES to disease and/or disease risk factors are not well understood and remain relatively under-studied. The analysis of the blood transcriptome is a promising window for elucidating how social and environmental factors influence the molecular networks governing health and disease. To further define the mechanistic pathways between social determinants and health, this study examined the impact of SES on the blood transcriptome in a sample of African-Americans. METHODS: An integrative approach leveraging three complementary methods (Weighted Gene Co-expression Network Analysis, Random Forest and Differential Expression) was adopted to identify the most predictive and robust transcriptome pathways associated with SES. We analyzed the expression of 15079 genes (RNA-seq) from whole blood across 36 samples. RESULTS: The results revealed a cluster of 141 co-expressed genes over-expressed in the low SES group. Three pro-inflammatory pathways (IL-8 Signaling, NF-kappaB Signaling and Dendritic Cell Maturation) are activated in this module and over-expressed in low SES. Random Forest analysis revealed 55 of the 141 genes that, collectively, predict SES with an area under the curve of 0.85. One third of the 141 genes are significantly over-expressed in the low SES group. CONCLUSION: Lower SES has consistently been linked to many social and environmental conditions acting as stressors and known to be correlated with vulnerability to chronic illnesses (e.g. asthma, diabetes) associated with a chronic inflammatory state. Our unbiased analysis of the blood transcriptome in African-Americans revealed evidence of a robust molecular signature of increased inflammation associated with low SES. The results provide a plausible link between the social factors and chronic inflammation. PMID- 29206835 TI - The human kidney capsule contains a functionally distinct mesenchymal stromal cell population. AB - We recently demonstrated that the adult human kidney cortex contains a perivascular stromal cell (kPSC) that shows organotypic properties and is important for repair and stabilisation of kidney function. Not only the kidney cortex but also the kidney capsule contains stromal cells that are important for the three dimensional organisation of the kidney during nephrogenesis. They provide the barrier function of the capsule which is critical for homeostatic processes such as pressure natriuresis. We postulated that stromal cells derived from the kidney capsule may therefore also have specific properties and functions. To this end, we isolated these capsule mesenchymal stromal cells (cMSC) from human cadaveric kidneys that were not suitable for transplantation. There were several similarities between cMSCs and kPSCs including support of vascular plexus formation, phenotypic marker expression and resistance against myofibroblast transformation. However, compared to kPSCs, cMSCs showed distinct mRNA and miRNA expression profiles, showed increased immunosuppressive capacity, and displayed strongly reduced HGF production, contributing to the inability to enhance kidney epithelial repair. Therefore cMSCs are a distinct, novel human kidney-derived MSC-population and these data underpin the large functional diversity of phenotypic similar stromal cells in relation to their anatomic site, even within one organ. PMID- 29206836 TI - Where should the safe limits of alcohol consumption stand in light of liver enzyme abnormalities in alcohol consumers? AB - OBJECTIVES: To estimate the prevalence and risk factors for abnormal liver enzymes in a large age- and gender stratified population-based sample of apparently healthy individuals with or without alcohol consumption and other health-related risk factors (adiposity, physical inactivity, smoking). METHODS: Data on alcohol use, smoking, diet and physical activity were recorded using structured questionnaires from 13,976 subjects (6513 men, 7463 women, aged 25-74 years) in the national FINRISK studies. Alcohol data was used to categorize the participants into abstainers, light drinkers, moderate drinkers and heavy drinkers. Serum gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT) activities were measured using standard kinetic methods. RESULTS: Male light drinkers, moderate drinkers and heavy drinkers showed significantly higher relative risks of abnormal GGT than abstainers: 1.37 (95% confidence interval 1.11 to 1.71, p < 0.01), 2.72 (2.08 to 3.56, p < 0.0005), and 6.10 (4.55 to 7.17, p < 0.0005), respectively. Corresponding values for women were 1.22 (0.99 to 1.51, p = 0.065), 1.90 (1.44 to 2.51, p < 0.0005), and 5.91 (3.80 to 9.17, p < 0.0005). Estimated threshold doses for a significant GGT elevation was 14 standard weekly alcohol doses for men and 7 for women. Excess body weight and age over 40 years modulated the thresholds towards smaller quantities of alcohol. The risk of abnormal GGT was also significantly influenced by physical inactivity and smoking. The relative risks of abnormal ALT activities were increased in male heavy drinkers, especially in those presenting with adiposity and sedentary lifestyle. CONCLUSIONS: Alcohol use markedly increases the risk for abnormal liver enzyme activities in those presenting with age over 40 years, obesity, smoking or sedentary lifestyle. The data should be considered in public health recommendations and in the definitions of safe limits of alcohol use. PMID- 29206837 TI - Pyogenic vertebral osteomyelitis of the elderly: Characteristics and outcomes. AB - BACKGROUND: The incidence of pyogenic vertebral osteomyelitis (PVO) has increased over the past two decades. One possible cause of this increase is the aging of the population, which results in more comorbidities in high income countries. OBJECTIVE: To better characterize the clinical presentation and outcome of PVO in the elderly. DESIGN: We conducted a post-hoc analysis of a previously published trial that studied treatment duration in PVO and compared the presentation and outcomes according to age. PARTICIPANTS: Our analysis included 351 patients among whom 85 (24%) were 75-years-old or more. RESULTS: There were no significant differences in the socio-demographics of the patients. Neoplasia and chronic inflammatory diseases were more common in the older group: 34% vs. 19% (p = 0.021) and 9% versus 1% (p = 0.004), respectively. There were no significant differences in clinical and radiological presentations between the groups in terms of back pain (337/351, 97%), fever (182/351, 52%), PVO localization, neurological signs and epidural abscess. Associated infective endocarditis (IE) was more frequent in the older group (37% vs. 14%, p<0.001). Streptococci were more frequently involved in infections of older patients (29% vs. 14%, p = 0.003) in contrast to Staphylococcus aureus (31% vs. 45%, p = 0.03). Older patients displayed higher mortality rates at 1 year (21% vs. 3%, p<0.001) and more adverse events related to cardiorespiratory failure (10.6% vs. 3.8%, p = 0.025), but had similar quality of life among the survivors. CONCLUSION: During PVO, the clinical and radiological findings are similar in older patients. Global mortality rates are higher in older patients compared to younger patients, which could be explained by the increased frequency of neoplasia at diagnosis and higher prevalence of associated IE in the elderly. PMID- 29206838 TI - Implementation of stroke teams and simulation training shortened process times in a regional stroke network-A network-wide prospective trial. AB - BACKGROUND: To meet the requirements imposed by the time-dependency of acute stroke therapies, it is necessary 1) to initiate structural and cultural changes in the breadth of stroke-ready hospitals and 2) to find new ways to train the personnel treating patients with acute stroke. We aimed to implement and validate a composite intervention of a stroke team algorithm and simulation-based stroke team training as an effective quality initiative in our regional interdisciplinary neurovascular network consisting of 7 stroke units. METHODS: We recorded door-to-needle times of all consecutive stroke patients receiving thrombolysis at seven stroke units for 3 months before and after a 2 month intervention which included setting up a team-based stroke workflow at each stroke unit, a train-the-trainer seminar for stroke team simulation training and a stroke team simulation training session at each hospital as well as a recommendation to take up regular stroke team trainings. RESULTS: The intervention reduced the network-wide median door-to-needle time by 12 minutes from 43,0 (IQR 29,8-60,0, n = 122) to 31,0 (IQR 24,0-42,0, n = 112) minutes (p < 0.001) and substantially increased the share of patients receiving thrombolysis within 30 minutes of hospital arrival from 41.5% to 59.6% (p < 0.001). Stroke team training participants stated a significant increase in knowledge on the topic of acute stroke care and in the perception of patient safety. The overall course concept was regarded as highly useful by most participants from different professional backgrounds. CONCLUSIONS: The composite intervention of a binding team-based algorithm and stroke team simulation training showed to be well transferable in our regional stroke network. We provide suggestions and materials for similar campaigns in other stroke networks. PMID- 29206839 TI - Development of an organ failure score in acute liver failure for transplant selection and identification of patients at high risk of futility. AB - INTRODUCTION: King's College Hospital criteria are currently used to select liver transplant candidates in acetaminophen-related acute liver failure (ALF). Although widely accepted, they show a poor sensitivity in predicting pre transplant mortality and cannot predict the outcome after surgery. In this study we aimed to develop a new prognostic score that can allow patient selection for liver transplantation more appropriately and identify patients at high risk of futile transplantation. METHODS: We analysed consecutive patients admitted to the Royal Free and Beaujon Hospitals between 1990 and 2015. Clinical and laboratory data at admission were collected. Predictors of 3-month mortality in the non transplanted patients admitted to the Royal Free Hospital were used to develop the new score, which was then validated against the Beaujon cohort. The Beaujon transplanted group was also used to assess the ability of the new score in identifying patients at high risk of transplant futility. RESULTS: 152 patients were included of who 44 were transplanted. SOFA, CLIF-C OF and CLIF-ACLF scores were the best predictors of 3-month mortality among non-transplanted patients. CLIF-C OF score and high dosages of norepinephrine requirement were the only significant predictors of 3-month mortality in the non-transplanted patients, and therefore were included in the ALF-OFs score. In non-transplanted patients, ALF OFs showed good performance in both exploratory (AUC = 0.89; sensitivity = 82.6%; specificity = 89.5%) and the validation cohort (AUC = 0.988; sensitivity = 100%; specificity = 92.3%). ALF-OFs score was also able to identify patients at high risk of transplant futility (AUC = 0.917; sensitivity = 100%; specificity = 79.2%). CONCLUSION: ALF-OFs is a new prognostic score in acetaminophen-related ALF that can predict both the need for liver transplant and high risk of transplant futility, improving candidate selection for liver transplantation. PMID- 29206840 TI - Age-related changes in somatic condition and reproduction in the Eurasian beaver: Resource history influences onset of reproductive senescence. AB - Using 15 years of data from a stable population of wild Eurasian beavers (Castor fiber), we examine how annual and lifetime access to food resources affect individual age-related changes in reproduction and somatic condition. We found an age-related decline in annual maternal reproductive output, after a peak at age 5 6. Rainfall, an established negative proxy of annual resource availability for beavers, was consistently associated with lower reproductive output for females of all ages. In contrast, breeding territory quality, as a measure of local resource history over reproductive lifetimes, caused differences in individual patterns of reproductive senescence; animals from lower quality territories senesced when younger. Litter size was unrelated to maternal age, although adult body weight increased with age. In terms of resource effects, in poorer years but not in better years, older mothers produced larger offspring than did younger mothers, giving support to the constraint theory. Overall, our findings exemplify state-dependent life-history strategies, supporting an effect of resources on reproductive senescence, where cumulative differences in resource access, and not just reproductive strategy, mediate long-term reproductive trade-offs, consistent with the disposable soma and reproductive restraint theories. We propose that flexible life-history schedules could play a role in the dynamics of populations exhibiting reproductive skew, with earlier breeding opportunities leading to an earlier senescence schedule through resource dependent mechanisms. PMID- 29206841 TI - Auditory word recognition of verbs: Effects of verb argument structure on referent identification. AB - Word recognition includes the activation of a range of syntactic and semantic knowledge that is relevant to language interpretation and reference. Here we explored whether or not the number of arguments a verb takes impinges negatively on verb processing time. In this study, three experiments compared the dynamics of spoken word recognition for verbs with different preferred argument structure. Listeners' eye movements were recorded as they searched an array of pictures in response to hearing a verb. Results were similar in all the experiments. The time to identify the referent increased as a function of the number of arguments, above and beyond any effects of label appropriateness (and other controlled variables, such as letter, phoneme and syllable length, phonological neighborhood, oral and written lexical frequencies, imageability and rated age of acquisition). The findings indicate that the number of arguments a verb takes, influences referent identification during spoken word recognition. Representational complexity and amount of information generated by the lexical item that aids target identification are discussed as possible sources of this finding. PMID- 29206842 TI - From menarche to menopause: A population-based assessment of water, sanitation, and hygiene risk factors for reproductive tract infection symptoms over life stages in rural girls and women in India. AB - Women face greater challenges than men in accessing water, sanitation, and hygiene (WASH) resources to address their daily needs, and may respond to these challenges by adopting unsafe practices that increase the risk of reproductive tract infections (RTIs). WASH practices may change as women transition through socially-defined life stage experiences, like marriage and pregnancy. Thus, the relationship between WASH practices and RTIs might vary across female reproductive life stages. This cross-sectional study assessed the relationship between WASH exposures and self-reported RTI symptoms in 3,952 girls and women from two rural districts in India, and tested whether social exposures represented by reproductive life stage was an effect modifier of associations. In fully adjusted models, RTI symptoms were less common in women using a latrine without water for defecation versus open defecation (Odds Ratio (OR) = 0.69; Confidence Interval (CI) = 0.48, 0.98) and those walking shorter distances to a bathing location (OR = 0.79, CI = 0.63, 0.99), but there was no association between using a latrine with a water source and RTIs versus open defecation (OR = 1.09; CI = 0.69, 1.72). Unexpectedly, RTI symptoms were more common for women bathing daily with soap (OR = 6.55, CI = 3.60, 11.94) and for women washing their hands after defecation with soap (OR = 10.27; CI = 5.53, 19.08) or ash/soil/mud (OR = 6.02; CI = 3.07, 11.77) versus water only or no hand washing. WASH practices of girls and women varied across reproductive life stages, but the associations between WASH practices and RTI symptoms were not moderated by or confounded by life stage status. This study provides new evidence that WASH access and practices are associated with self-reported reproductive tract infection symptoms in rural Indian girls and women from different reproductive life stages. However, the counterintuitive directions of effect for soap use highlights that causality and mechanisms of effect cannot be inferred from this study design. Future research is needed to understand whether improvements in water and sanitation access could improve the practice of safe hygiene behaviors and reduce the global burden of RTIs in women. PMID- 29206843 TI - Periparturient lipolysis and oxylipid biosynthesis in bovine adipose tissues. AB - The periparturient period of dairy cows is characterized by intense lipolysis in adipose tissues (AT), which induces the release of free fatty acids (FFA) into circulation. Among FFA, polyunsaturated fatty acids are susceptible to oxidation and can modulate inflammatory responses during lipolysis within AT. Linoleic and arachidonic acid oxidized products (oxylipids) such as hydroxy-octadecadienoic acids (HODE) and hydroxy-eicosatetraenoic acids (HETE), were recently identified as products of lipolysis that could modulate AT inflammation during lipolysis. However, the effect of lipolysis intensity during the transition from gestation to lactation on fatty acid substrate availability and subsequent AT oxylipid biosynthesis is currently unknown. We hypothesized that in periparturient dairy cows, alterations in AT and plasma fatty acids and oxylipid profiles coincide with changes in lipolysis intensity and stage of lactation. Blood and subcutaneous AT samples were collected from periparturient cows at -27+/-7 (G1) and -10+/-5 (G2) d prepartum and at 8+/-3 d postpartum (PP). Targeted lipidomic analysis was performed on plasma and AT using HPLC-MS/MS. We report that FFA concentrations increased as parturition approached and were highest at PP. Cows exhibiting high lipolysis rate at PP (FFA>1.0 mEq/L) had higher body condition scores at G1 compared to cows with low lipolysis rate (FFA<1.0 mEq/L). Concentrations of plasma linoleic and arachidonic acids were increased at PP. In AT, 13-HODE, and 5-, 11- and 15-HETE were increased at PP compared to G1 and G2. Concentrations of beta hydroxybutyrate were positively correlated with those of 13-HODE and 15-HETE in AT. Plasma concentrations of 5- and 20-HETE were increased at PP. These data demonstrate that prepartum adiposity predisposes cows to intense lipolysis post-partum and may exacerbate AT inflammation because of increased production of pro-inflammatory oxylipids including 5- and 15-HETE and 13-HODE. These results support a role for certain linoleic and arachidonic acid derived oxylipids as positive and negative modulators of AT inflammation during periparturient lipolysis. PMID- 29206844 TI - Restoration of the prolyl-hydroxylase domain protein-3 oxygen-sensing mechanism is responsible for regulation of HIF2alpha expression and induction of sensitivity of myeloma cells to hypoxia-mediated apoptosis. AB - Multiple myeloma (MM) is an incurable disease of malignant plasma B-cells that infiltrate the bone marrow (BM), resulting in bone destruction, anemia, renal impairment and infections. Physiologically, the BM microenvironment is hypoxic and this promotes MM progression and contributes to resistance to chemotherapy. Since aberrant hypoxic responses may result in the selection of more aggressive tumor phenotypes, we hypothesized that targeting the hypoxia-inducible factor (HIF) pathways will be an effective anti-MM therapeutic strategy. We demonstrated that MM cells are resistant to hypoxia-mediated apoptosis in vivo and in vitro, and that constitutive expression of HIF2alpha contributed to this resistance. Since epigenetic silencing of the prolyl-hydroxylase-domain-3 (PHD3) enzyme responsible for the O2-dependent regulation of HIF2alpha is frequently observed in MM tumors, we asked if PHD3 plays a role in regulating sensitivity to hypoxia. We found that restoring PHD3 expression using a lentivirus vector or overcoming PHD3 epigenetic silencing using a demethyltransferase inhibitor, 5-Aza-2' deoxycytidine (5-Aza-dC), rescued O2-dependent regulation of HIF2alpha and restored sensitivity of MM cells to hypoxia-mediated apoptosis. This provides a rationale for targeting the PHD3-mediated regulation of the adaptive cellular hypoxic response in MM and suggests that targeting the O2-sensing pathway, alone or in combination with other anti-myeloma chemotherapeutics, may have clinical efficacy. PMID- 29206845 TI - Turbulence in protein folding: Vorticity, scaling and diffusion of probability flows. AB - Recently, when studying folding of a SH3 domain, we discovered that the flows of transitions between protein states can be surprisingly similar to turbulent fluid flows. This similarity was not restricted by a vortex pattern of the flow fields but extended to a spatial correlation of flow fluctuations, resulting, in particular, in the structure functions such as in the Kolmogorov theory of homogeneous and isotropic turbulence. Here, we undertake a detailed analysis of spatial distribution of folding flows and their similarity to turbulent fluid flows. Using molecular dynamics simulations, we study folding of another benchmark system-Trp-cage miniprotein, which has different content of secondary structure elements and mechanism of folding. Calculating the probability fluxes of transitions in a three-dimensional space of collective variables, we have found that similar to the SH3 domain, the structure functions of the second and third orders correspond to the Kolmogorov functions. The spatial distributions of the probability fluxes are self-similar with a fractal dimension, and the fractal index decreases toward the native state, indicating that the flow becomes more turbulent as the native state is approached. We also show that the process of folding can be viewed as Brownian diffusion in the space of probability fluxes. The diffusion coefficient plays a role of the key parameter that defines the structures functions, similar to the rate of dissipation of kinetic energy in hydrodynamic turbulence. The obtained results, first, show that the very complex dynamics of protein folding allows a simple characterization in terms of scaling and diffusion of probability fluxes, and, secondly, they suggest that the turbulence phenomena similar to hydrodynamic turbulence are not specific of folding of a particular protein but are common to protein folding. PMID- 29206846 TI - Bacterial community composition in the gut content of Lampetra japonica revealed by 16S rRNA gene pyrosequencing. AB - The composition of the bacterial communities in the hindgut contents of Lampetrs japonica was surveyed by Illumina MiSeq of the 16S rRNA gene. An average of 32385 optimized reads was obtained from three samples. The rarefaction curve based on the operational taxonomic units tended to approach the asymptote. The rank abundance curve representing the species richness and evenness was calculated. The composition of microbe in six classification levels was also analyzed. Top 20 members in genera level were displayed as the classification tree. The abundance of microorganisms in different individuals was displayed as the pie charts at the branch nodes in the classification tree. The differences of top 50 genera in abundance between individuals of lamprey are displayed as a heatmap. The pairwise comparison of bacterial taxa abundance revealed that there are no significant differences of gut microbiota between three individuals of lamprey at a given rarefied depth. Also, the gut microbiota derived from L. japonica displays little similarity with other aquatic organism of Vertebrata after UPGMA analysis. The metabolic function of the bacterial communities was predicted through KEGG analysis. This study represents the first analysis of the bacterial community composition in the gut content of L. japonica. The investigation of the gut microbiota associated with L. japonica will broaden our understanding of this unique organism. PMID- 29206847 TI - "Gaining or losing": The importance of the perspective in primary care health services valuation. AB - RATIONALE AND OBJECTIVES: Economic theory classifies an intervention as socially beneficial if the total Willingness to Pay (WTP) of those who gain exceeds the total Willingness to accept (WTA) of those who are harmed. This paper examines the differences in health system users' valuation of a health care service in primary care setting based on the WTP and WTA perspectives, discussing the impact of personal and service variables, including risk attitudes, on these disparities. METHOD: Six hundred and sixty two subjects who asked for care in health centres in the Region of Madrid (Spain) were interviewed, using the contingent valuation method to estimate WTP and WTA. Patient sociodemographic characteristics, health needs, satisfaction with the service and risk attitude and behaviour under risk (measured by self-reported scales and lottery games respectively) were collected. Generalised Linear Models were used to estimate the association between the explanatory variables and the WTA/WTP ratio. RESULTS: We obtained the WTA/WTP ratio for 570 subjects (mean 1.66 CI 95%: 1.53-1.79; median 1, interquartile range 1-2). People with higher education or in high social groups expressed WTA values closest to WTP. The opposite occurred in patients with the greatest health needs or who were born abroad. Self-reported expression of risk aversion appeared also related to increases in the WTA/WTP ratio. Satisfaction with the service evaluated was the most influential factor in the WTA/WTP ratio. CONCLUSION: Health need, difficulty in obtaining substitutes and satisfaction with the service could serve for profiling people averse to loss for health care services in primary care setting. Self-reported expression of risk aversion could also be related to increases in the WTA/WTP ratio. This would mean that these characteristics should be taken into account both in the design and implementation of new healthcare interventions, as in the making decision for disinvestment. PMID- 29206848 TI - Caveolin-3 promotes glycometabolism, growth and proliferation in muscle cells. AB - OBJECTIVE: Caveolin-3 (CAV3) protein is known to be expressed specifically in various myocytes, but its physiological function remains unclear. CAV3, located at the cell membrane, may promote the sensitivity of the Akt signaling pathway, which is closely related to glucose metabolism and to cell growth and proliferation. METHODS: The CAV3 gene was stably transfected into C2C12 muscle cells, and the effects were evaluated by biochemical assays, WB and confocal microscopy for the observation of cellular glucose metabolism, growth and proliferation, and the effect of CAV3 on the Akt signaling pathway with no insulin stimulation. RESULTS: After C2C12 cells were transfected with the mouse CAV3 gene, which increased CAV3 expression, the abundance of the CAV3 and GLUT4 proteins on the cell membrane increased, but the total GLUT4 protein content of the cell was unchanged. Glucose uptake was increased, and this did not affect the glycogen synthesis, but the cell surface area and cell proliferation increased. While there were significant increases in p-Akt and p-p70s6K, which is a downstream component of Akt signaling, the level of GSK3beta protein, another component of Akt signaling did not change. CONCLUSIONS: The muscle, CAV3 protein can activate Akt signaling, increase GLUT4 protein localization in the cell membrane, increase glucose uptake, and promote myocyte growth and proliferation. CAV3 protein has a physiological role in glycometabolism, growth and proliferation, independent of insulin stimulation. PMID- 29206849 TI - Cilostazol attenuates intimal hyperplasia in a mouse model of chronic kidney disease. AB - Intimal hyperplasia (IH) is a common cause of vasculopathy due to direct endothelial damage (such as post-coronary revascularization) or indirect injury (such as chronic kidney disease, or CKD). Although the attenuation of coronary revascularization-induced IH (direct-vascular-injury-induced IH) by cilostazol, a phosphodiesterase III inhibitor, has been demonstrated, our understanding of the effect on CKD-induced IH (indirect-vascular-injury-induced IH) is limited. Herein, we tested if cilostazol attenuated CKD-induced IH in a mouse model of ischemic-reperfusion injury with unilateral nephrectomy (Chr I/R), a normotensive non-proteinuria CKD model. Cilostazol (50 mg/kg/day) or placebo was orally administered once daily from 1-week post-nephrectomy. At 20 weeks, cilostazol significantly attenuated aortic IH as demonstrated by a 34% reduction in the total intima area with 50% and 47% decreases in the ratios of tunica intima area/tunica media area and tunica intima area/(tunica intima + tunica media area), respectively. The diameters of aorta and renal function were unchanged by cilostazol. Interestingly, cilostazol decreased miR-221, but enhanced miR-143 and miR-145 in either in vitro or aortic tissue, as well as attenuated several pro inflammatory mediators, including asymmetrical dimethylarginine, high-sensitivity C-reactive protein, vascular endothelial growth factor in aorta and serum pro inflammatory cytokines (IL-6 and TNF-alpha). We demonstrated a proof of concept of the effectiveness of cilostazol in attenuating IH in a Chr I/R mouse model, a CKD model with predominantly indirect-vascular-injury-induced IH. These considerations warrant further investigation to develop a new primary prevention strategy for CKD-related IH. PMID- 29206850 TI - The prognostic value of asymmetric dimethylarginine in patients with cardiac syndrome X. AB - BACKGROUND: The pathophysiology of cardiac syndrome X is multifactorial and endothelial dysfunction has been implicated as important contributing factor. Asymmetric dimethylarginine (ADMA), characterized as a circulating endogenous inhibitor of nitric oxide synthase, may have been implicated as an important contributing factor for the development of endothelial dysfunction. In this study, we aim to assess the predictive power of ADMA for long-term prognosis in patients with cardiac syndrome X. METHODS AND RESULTS: We enrolled 239 consecutive patients with cardiac syndrome X diagnosed by coronary angiography. The mean age was 58.7+/-10.1 years. The patients were grouped into tertiles according to the plasma ADMA levels: <0.38 MUmol/l (tertile I), 0.38-0.44 MUmol/l (tertile II), and >0.44 MUmol/l (tertile III). All patients were followed up for a mean period of 6.5+/-1.5 years (median: 6.3 years, inter-quartile range: 5.7 8.0 years). During the follow-up period, major adverse events (MAE) were observed in 15 patients (6.3%), including 13 deaths. The plasma ADMA levels in patients who developed MAE were significantly higher than those who did not (0.48+/-0.06 MUmol/l vs. 0.42+/-0.08 MUmol/l, p = 0.005). In multivariate Cox regression analysis adjusted for age, eGFR and LVEF, ADMA tertile I and II were identify to be associated with a significantly lower risk of MAE compared to ADMA tertile III (p = 0.017). By considering the plasma ADMA level as a continuous variable, the plasma ADMA level remained a significant independent predictor for outcomes of MAE, and the relative risk of MACE increased by 50% when plasma ADMA level increased by 1 SD of value (p = 0.018). CONCLUSIONS: In patients with cardiac syndrome X, elevated plasma ADMA levels appeared to be an independent predictor of long-term adverse clinical outcomes. PMID- 29206851 TI - Role of viral coinfections in asthma development. AB - BACKGROUND: Viral respiratory infections, especially acute bronchiolitis, play a key role in the development of asthma in childhood. However, most studies have focused on respiratory syncytial virus or rhinovirus infections and none of them have compared the long-term evolution of single versus double or multiple viral infections. OBJECTIVE: Our aim was to compare the frequency of asthma development at 6-8 years in children with previous admission for bronchiolitis associated with single versus double or multiple viral infection. PATIENTS & METHODS: A cross-sectional study was performed in 244 children currently aged 6-8 years, previously admitted due to bronchiolitis between September 2008 and December 2011. A structured clinical interview and the ISAAC questionnaire for asthma symptoms for 6-7-year-old children, were answered by parents by telephone. Specimens of nasopharyngeal aspirate for virological study (polymerase chain reaction) and clinical data were prospectively taken during admission for bronchiolitis. RESULTS: Median current age at follow-up was 7.3 years (IQR: 6.7 8.1). The rate of recurrent wheezing was 82.7% in the coinfection group and 69.7% in the single-infection group, p = 0.06. The number of wheezing-related admissions was twice as high in coinfections than in single infections, p = 0.004. Regarding the ISAAC questionnaire, 30.8% of coinfections versus 15% of single infections, p = 0.01, presented "wheezing in the last 12 months", data that strongly correlate with current prevalence of asthma. "Dry cough at night" was also reported more frequently in coinfections than in single infections, p = 0.02. The strongest independent risk factors for asthma at 6-8 years of age were: age > 9 months at admission for bronchiolitis (OR: 3.484; CI95%: 1.459-8.317, p:0.005), allergic rhinitis (OR: 5.910; 95%CI: 2.622-13.318, p<0.001), and viral coinfection-bronchiolitis (OR: 3.374; CI95%: 1.542-7.386, p:0.01). CONCLUSIONS: Asthma at 6-8 years is more frequent and severe in those children previously hospitalized with viral coinfection-bronchiolitis compared with those with single infection. Allergic rhinitis and older age at admission seem also to be strong independent risk factors for asthma development in children previously hospitalised because of bronchiolitis. PMID- 29206852 TI - Psychological, pharmacological, and combined smoking cessation interventions for smokers with current depression: A systematic review and meta-analysis. AB - We conducted a systematic literature review and meta-analysis (ID: CRD42016051017) of smoking cessation interventions for patients with current depression. We examined the effectiveness of smoking cessation treatments in improving abstinence rates and depressive symptoms. The following electronic databases were used for potentially eligible studies: PUBMED, PSYCINFO, DIALNET and WEB OF KNOWLEDGE. The search terms used were: smoking cessation, depressive disorder, depression, mood, depressive, depressed, smoking, smokers, nicotine, nicotine dependence, and tobacco cigarette smoking. The methodological quality of included studies was assessed using the Effective Public Health Practice Project Quality assessment tool (EPHPP). Of the 6,584 studies identified, 20 were eligible and included in the review. Trial designs of studies were 16 randomized controlled trials and 4 secondary studies. Studies included three types of intervention: psychological (6/30%), pharmacological (6/30%) or combined (8/40%). Four trials comprised special populations of smokers. Four studies received a strong methodological quality, 7 were scored as moderate and 9 studies received a weak methodological rating. Analyses of effectiveness showed that smoking cessation interventions appear to increase short-term and long-term smoking abstinence in individuals with current depression. Subgroup analyses revealed stronger effects among studies that provided pharmacological treatments than in studies using psychological treatments. However, the evidence is weak due to the small number of studies. Smoking abstinence appears to be associated with an improvement in depressive symptoms. Heterogeneity in protocols in similar types of treatment also prevent firm conclusions being drawn on the effectiveness of any particular treatment model to optimally manage abstinence among depressed smokers. Further research is required to strengthen the evidence base. PMID- 29206853 TI - Proportion and factors associated with recent HIV infection in a cohort of patients seen for care in Italy over 1996-2014: Data from the ICONA Foundation Study cohort. AB - In Italy the prevalence of recent HIV infection (RHI) isn't currently monitored. Early diagnosis is crucial to allow introduction of antiretroviral therapy (cART) in the recent phase of infection. We aimed to estimate the proportion and the determinants of RHI among patients enrolled in the ICONA cohort; we explored differences in the median time from HIV diagnosis to cART initiation and in the viro-immunological response between RHI and Less Recent HIV infections (NRHI). We included antiretroviral-naive HIV-positive patients enrolled in the cohort with documented dates of HIV-negative and positive antibodies tests, grouped in RHI (estimated date of seroconversion within 12 months of enrolment) and NRHI. Proportion of RHI and the trend of this proportion by calendar period (1996-2014) were investigated (Chi-square test). Logistic regression analysis was employed to identify factors associated with RHI. The time from seroconversion to cART initiation was compared in RHI and NRHI overall and after stratification by calendar period (survival analysis). We finally explored the time from starting cART to HIV-RNA <50 copies/mL and to CD4+ gain >=200 cells/mmc by Cox regression. HIV seroconversion could be estimated for 2608/12,616 patients: 981/2608 (37.6%) were RHI. Proportion of RHI increased in recent calendar periods and was associated with younger age, baseline higher HIV-RNA and CD4+ count. There wasn't difference in the 2-year estimates of cART start between RHI and NRHI, regardless of calendar period. Rates and hazards of virological response were similar in RHI versus NRHI. RHI showed a 1.5-fold higher probability of CD4+ gain, also following adjustment for calendar period and cART regimen, and for age, HCV and smoking; the difference in probability was however attenuated after further controlling for baseline HIV-RNA and CD4+ T-cells. The increased proportion of RHI over time suggests that in recent years in Italy HIV infections are more likely to be detected earlier than before. The similar rates of cART introduction and viro-immunological response in RHI and NRHI probably reflect the efficacy of the modern cART regimens. An improvement of the prevention services is warranted to allow an early cART access, also in the perspective of therapy as prevention. PMID- 29206854 TI - Zingerone alleviates the delayed ventricular repolarization and AV conduction in diabetes: Effect on cardiac fibrosis and inflammation. AB - BACKGROUND: The study aims to analyse the action of zingerone in diabetes-related cardiac arrhythmias. METHODS: Diabetes was induced by streptozocin while treatment groups received 20 mg/kg zingerone daily. Following extra seven weeks, electrocardiography, extraction of blood, urine and heart for biochemical analysis, histopathology and immunofluorescence were undertaken. RESULTS: The suppression of QT and QTc prolongation in diabetic rats was indicative of prolonged cardiac repolarisation that was greatly reduced by zingerone treatment. In addition, the reduction in PR interval attested that zingerone improved AV delay in diabetic rats. The fibrogenic transforming growth factor beta1 upregulation in diabetic hearts was suppressed by zingerone. The marked glycogen deposition and muscle degeneration seen in diabetic heart sections were also alleviated by zingerone. Furthermore, zingerone prevented the decrease in of the serum anti-inflammatory cytokine adiponectin in diabetics. The heightened levels of oxidative stress markers 8-isoprostane and uric acid in diabetic rats were suppressed. In the diabetic heart, the reduced catalase activity was improved and the excessive expression of angiotensin receptor 1 was inhibited by zingerone. CONCLUSION: Cardiac delayed repolarisation and AV conduction in rats with diabetes were halted by zingerone. It appears that inhibition of cardiac fibrosis and associated inflammation-oxidative stress signalling underpins the zingerone effect. PMID- 29206855 TI - Linking disease epidemiology and livestock productivity: The case of bovine respiratory disease in France. AB - Concerns are growing over the impact of livestock farming on environment and public health. The livestock industry is faced with the double constraint of limiting its use of natural resources and antimicrobials while ensuring its economic sustainability. In this context, reliable methods are needed to evaluate the effect of the prevention of endemic animal diseases on the productivity of livestock production systems. In this study, an epidemiological and productivity model was used to link changes in Bovine Respiratory Disease (BRD) incidence with the productivity of the beef and dairy cattle sectors in France. Cattle production parameters significantly affected by BRD were selected through literature review. Previous field study results and national cattle performance estimates were used to infer growth performances, mortality rates and carcass quality in the cattle affected and not affected by BRD. A steady-state deterministic herd production model was used to predict the productivity of the dairy and beef sector and their defined compartments (breeding-fattening, feedlot young bulls, and feedlot veal) in case of BRD incidence reduction by 20%, 50% or 100%. Results suggested that BRD should be controlled at a priority in beef breeding farms as eradication of BRD in beef calves would increase the whole beef sector's productivity by 4.7-5.5% while eradication in other production stages would result in lower productivity gain in their respective sectors. However, the analysis performed at compartment level showed that, in both the beef and dairy sector, young bull and veal feedlot enterprises derive more economic benefits from BRD eradication for their own compartment (increase in productivity of 8.7 12.8% for beef young bulls) than the breeding farms (increase in productivity of 5.1-6% for beef calves), which may limit the investments in BRD control. PMID- 29206856 TI - A novel post-processing scheme for two-dimensional electrical impedance tomography based on artificial neural networks. AB - OBJECTIVE: Electrical Impedance Tomography (EIT) is a powerful non-invasive technique for imaging applications. The goal is to estimate the electrical properties of living tissues by measuring the potential at the boundary of the domain. Being safe with respect to patient health, non-invasive, and having no known hazards, EIT is an attractive and promising technology. However, it suffers from a particular technical difficulty, which consists of solving a nonlinear inverse problem in real time. Several nonlinear approaches have been proposed as a replacement for the linear solver, but in practice very few are capable of stable, high-quality, and real-time EIT imaging because of their very low robustness to errors and inaccurate modeling, or because they require considerable computational effort. METHODS: In this paper, a post-processing technique based on an artificial neural network (ANN) is proposed to obtain a nonlinear solution to the inverse problem, starting from a linear solution. While common reconstruction methods based on ANNs estimate the solution directly from the measured data, the method proposed here enhances the solution obtained from a linear solver. CONCLUSION: Applying a linear reconstruction algorithm before applying an ANN reduces the effects of noise and modeling errors. Hence, this approach significantly reduces the error associated with solving 2D inverse problems using machine-learning-based algorithms. SIGNIFICANCE: This work presents radical enhancements in the stability of nonlinear methods for biomedical EIT applications. PMID- 29206857 TI - Z-disc protein CHAPb induces cardiomyopathy and contractile dysfunction in the postnatal heart. AB - AIMS: The Z-disc is a crucial structure of the sarcomere and is implicated in mechanosensation/transduction. Dysregulation of Z-disc proteins often result in cardiomyopathy. We have previously shown that the Z-disc protein Cytoskeletal Heart-enriched Actin-associated Protein (CHAP) is essential for cardiac and skeletal muscle development. Furthermore, the CHAP gene has been associated with atrial fibrillation in humans. Here, we studied the misregulated expression of CHAP isoforms in heart disease. METHODS AND RESULTS: Mice that underwent transverse aortic constriction and calcineurin transgenic (Tg) mice, both models of experimental heart failure, displayed a significant increase in cardiac expression of fetal isoform CHAPb. To investigate whether increased expression of CHAPb postnatally is sufficient to induce cardiomyopathy, we generated CHAPb Tg mice under the control of the cardiac-specific alphaMHC promoter. CHAPb Tg mice displayed cardiac hypertrophy, interstitial fibrosis and enlargement of the left atrium at three months, which was more pronounced at the age of six months. Hypertrophy and fibrosis were confirmed by evidence of activation of the hypertrophic gene program (Nppa, Nppb, Myh7) and increased collagen expression, respectively. Connexin40 and 43 were downregulated in the left atrium, which was associated with delayed atrioventricular conduction. Tg hearts displayed both systolic and diastolic dysfunction partly caused by impaired sarcomere function evident from a reduced force generating capacity of single cardiomyocytes. This co-incided with activation of the actin signalling pathway leading to the formation of stress fibers. CONCLUSION: This study demonstrated that the fetal isoform CHAPb initiates progression towards cardiac hypertrophy, which is accompanied by delayed atrioventricular conduction and diastolic dysfunction. Moreover, CHAP may be a novel therapeutic target or candidate gene for screening in cardiomyopathies and atrial fibrillation. PMID- 29206858 TI - Extreme metal adapted, knockout and knockdown strains reveal a coordinated gene expression among different Tetrahymena thermophila metallothionein isoforms. AB - Metallothioneins (MT) constitute a superfamily of small cytosolic proteins that are able to bind metal cations through numerous cysteine (Cys) residues. Like other organisms the ciliate Tetrahymena thermophila presents several MT isoforms, which have been classified into two subfamilies (Cd- and Cu-metallothioneins). The main aim of this study was to examine the specific functions and transcriptional regulation of the five MT isoforms present in T. thermophila, by using several strains of this ciliate. After a laboratory evolution experiment over more than two years, three different T. thermophila strains adapted to extreme metal stress (Cd2+, Cu2+ or Pb2+) were obtained. In addition, three knockout and/or knockdown strains for different metallothionein (MT) genes were generated. These strains were then analyzed for expression of the individual MT isoforms. Our results provide a strong basis for assigning differential roles to the set of MT isoforms. MTT1 appears to have a key role in adaptation to Cd. In contrast, MTT2/4 are crucial for Cu-adaptation and MTT5 appears to be important for Pb-adaptation and might be considered as an "alarm" MT gene for responding to metal stress. Moreover, results indicate that likely a coordinated transcriptional regulation exists between the MT genes, particularly among MTT1, MTT5 and MTT2/4. MTT5 appears to be an essential gene, a first such report in any organism of an essential MT gene. PMID- 29206859 TI - Proteus mirabilis inhibits cancer growth and pulmonary metastasis in a mouse breast cancer model. AB - A variety of bacteria have been used as agents and vectors for antineoplastic therapy. A series of mechanisms, including native bacterial toxicity, sensitization of the immune system and competition for nutrients, may contribute to antitumor effects. However, the antitumor effects of Proteus species have been minimally studied, and it is not clear if bacteria can alter tumor hypoxia as a component of their antineoplastic effect. In the present study, Proteus mirabilis bacteria were evaluated for the ability to proliferate and accumulate in murine tumors after intravenous injection. To further investigate the efficacy and safety of bacterial injection, mice bearing 4T1 tumors were treated with an intravenous dose of 5*107 CFU Proteus mirabilis bacteria via the tail vein weekly for three treatments. Histopathology, immunohistochemistry (IHC) and western analysis were then performed on excised tumors. The results suggested Proteus mirabilis localized preferentially to tumor tissues and remarkably suppressed the growth of primary breast cancer and pulmonary metastasis in murine 4T1 models. Results showed that the expression of NKp46 and CD11c was significantly increased after bacteria treatment. Furthermore, tumor expression of carbonic anhydrase IX (CA IX) and hypoxia inducible factor-1a (HIF-1a), surrogates for hypoxia, was significantly lower in the treated group than the control group mice as assessed by IHC and western analysis. These findings demonstrated that Proteus mirabilis may a promising bacterial strain for used against primary tumor growth and pulmonary metastasis, and the immune system and reduction of tumor hypoxia may contribute to the antineoplastic and antimetastatic effects observed. PMID- 29206860 TI - The acute glucose lowering effect of specific GPR120 activation in mice is mainly driven by glucagon-like peptide 1. AB - The mechanism behind the glucose lowering effect occurring after specific activation of GPR120 is not completely understood. In this study, a potent and selective GPR120 agonist was developed and its pharmacological properties were compared with the previously described GPR120 agonist Metabolex-36. Effects of both compounds on signaling pathways and GLP-1 secretion were investigated in vitro. The acute glucose lowering effect was studied in lean wild-type and GPR120 null mice following oral or intravenous glucose tolerance tests. In vitro, in GPR120 overexpressing cells, both agonists signaled through Galphaq, Galphas and the beta-arrestin pathway. However, in mouse islets the signaling pathway was different since the agonists reduced cAMP production. The GPR120 agonists stimulated GLP-1 secretion both in vitro in STC-1 cells and in vivo following oral administration. In vivo GPR120 activation induced significant glucose lowering and increased insulin secretion after intravenous glucose administration in lean mice, while the agonists had no effect in GPR120 null mice. Exendin 9-39, a GLP-1 receptor antagonist, abolished the GPR120 induced effects on glucose and insulin following an intravenous glucose challenge. In conclusion, GLP-1 secretion is an important mechanism behind the acute glucose lowering effect following specific GPR120 activation. PMID- 29206861 TI - Preparative two-step purification of recombinant H1.0 linker histone and its domains. AB - H1 linker histones are small basic proteins that have a key role in the formation and maintenance of higher-order chromatin structures. Additionally, many examples have shown that linker histones play an important role in gene regulation, modulated by their various subtypes and posttranslational modifications. Obtaining high amounts of very pure linker histones, especially for efficient antibody production, remains a demanding and challenging procedure. Here we present an easy and fast method to purify human linker histone H1.0 overexpressed in Escherichia coli, as well as its domains: N-terminal/globular domain and C terminal intrinsically disordered domain. This purification protocol relies on a simple affinity chromatography step followed by cation exchange due to the highly basic properties of histone proteins. Therefore, this protocol can also be applied to other linker histones. Highly pure proteins in amounts sufficient for most biochemical experiments can be obtained. The functional quality of purified H1.0 histone and its domains has been confirmed by pull-down, gel-mobility shift assays and the nuclear import assay. PMID- 29206862 TI - Recombinant human IL-26 facilitates the innate immune response to endotoxin in the bronchoalveolar space of mice in vivo. AB - Interleukin (IL)-26 is released in response to bacterial endotoxin (LPS) in the bronchoalveolar space of humans in vivo and it may potentiate neutrophil chemotaxis by enhanced IL-26 receptor stimulation. However, the effects of extracellular IL-26 protein on the innate immune response in the lungs in vivo remain unknown. Here, we characterized these effects of IL-26 on a wide range of aspects of the innate immune response to LPS in different compartments of the lungs in vivo over time. We administrated recombinant human (rh) IL-26 protein in the bronchoalveolar space using intranasal instillation in a mouse in vivo model, with and without prior instillation of LPS. We verified gene expression of the IL 26 receptor complex in mouse lungs and observed that, after instillation of LPS, rhIL-26 increases the phosphorylation of STAT3, a signaling molecule of the IL-26 receptor complex. We also observed that rhIL-26 exerted additional stimulatory and inhibitory actions that are compartment- and time-dependent, resulting in alterations of cytokines, proteinases, tissue inflammation and the accumulation of innate effector cells. Without the prior instillation of LPS, rhIL-26 exerted time-dependent effects on total gelatinase activity but few other effects. Most important, after instillation of LPS, rhIL-26 cleared inflammatory cells from local tissue and increased the accumulation of innate effector cells in the bronchoalveolar space. Tentatively, rhIL-26 may facilitate the innate immune response towards the bronchoalveolar space in vivo and represents a potential target for therapy in lung disorders involving the innate immune response. PMID- 29206863 TI - Blood collection in cell-stabilizing tubes does not impact germline DNA quality for pediatric patients. AB - OBJECTIVES: Liquid biopsy technologies allow non-invasive tumor profiling for patients with solid tumor malignancies by sequencing circulating tumor DNA. These studies may be useful in risk-stratification, monitoring for relapse, and understanding tumor evolution. The quality of DNA obtained for these studies is improved when blood samples are collected in tubes that stabilizing white blood cells (WBC). However, ongoing germline research in pediatric oncology generally requires obtaining blood samples in EDTA tubes, which do not contain a WBC stabilizing preservative. In this study, we explored whether blood samples collected in WBC-stabilizing tubes could be used for both liquid biopsy and germline studies simultaneously, minimizing blood collection volumes for pediatric patients. METHODS: Blood was simultaneously collected from three patients in both EDTA and Streck Cell-Free DNA BCT(r) tubes. Germline DNA was extracted from all blood samples and subjected to whole-exome sequencing and microarray profiling. RESULTS: Quality control metrics of DNA quality, sequencing library preperation and whole-exome sequencing alignment were virtually identical regardless of the sample collection method. There was no discernable difference in patterns of variant calling for paired samples by either whole-exome sequencing or microarray analysis. CONCLUSION: Our study demonstrates that high quality genomic studies may be performed from germline DNA obtained in Streck tubes. Therefore, these tubes may be used to simultaneously obtain samples for both liquid biopsy and germline studies in pediatric patients when the volume of blood available for research studies may be limited. PMID- 29206864 TI - High visual acuity revealed in dogs. AB - Humans have selectively bred and used dogs over a period of thousands of years, and more recently the dog has become an important model animal for studies in ethology, cognition and genetics. These broad interests warrant careful descriptions of the senses of dogs. Still there is little known about dog vision, especially what dogs can discriminate in different light conditions. We trained and tested whippets, pugs, and a Shetland sheepdog in a two-choice discrimination set-up and show that dogs can discriminate patterns with spatial frequencies between 5.5 and 19.5 cycle per degree (cpd) in the bright light condition (43 cd m-2). This is a higher spatial resolution than has been previously reported although the individual variation in our tests was large. Humans tested in the same set-up reached acuities corresponding to earlier studies, ranging between 32.1 and 44.2 cpd. In the dim light condition (0.0087 cd m-2) the acuity of dogs ranged between 1.8 and 3.5 cpd while in humans, between 5.9 and 9.9 cpd. Thus, humans make visual discrimination of objects from roughly a threefold distance compared to dogs in both bright and dim light. PMID- 29206866 TI - An adaptive map-matching algorithm based on hierarchical fuzzy system from vehicular GPS data. AB - An improved hierarchical fuzzy inference method based on C-measure map-matching algorithm is proposed in this paper, in which the C-measure represents the certainty or probability of the vehicle traveling on the actual road. A strategy is firstly introduced to use historical positioning information to employ curve curve matching between vehicle trajectories and shapes of candidate roads. It improves matching performance by overcoming the disadvantage of traditional map matching algorithm only considering current information. An average historical distance is used to measure similarity between vehicle trajectories and road shape. The input of system includes three variables: distance between position point and candidate roads, angle between driving heading and road direction, and average distance. As the number of fuzzy rules will increase exponentially when adding average distance as a variable, a hierarchical fuzzy inference system is then applied to reduce fuzzy rules and improve the calculation efficiency. Additionally, a learning process is updated to support the algorithm. Finally, a case study contains four different routes in Beijing city is used to validate the effectiveness and superiority of the proposed method. PMID- 29206865 TI - Regulation of potassium dependent ATPase (kdp) operon of Deinococcus radiodurans. AB - The genome of D. radiodurans harbors genes for structural and regulatory proteins of Kdp ATPase, in an operon pattern, on Mega plasmid 1. Organization of its two component regulatory genes is unique. Here we demonstrate that both, the structural as well as regulatory components of the kdp operon of D. radiodurans are expressed quickly as the cells experience potassium limitation but are not expressed upon increase in osmolarity. The cognate DNA binding response regulator (RR) effects the expression of kdp operon during potassium deficiency through specific interaction with the kdp promoter. Deletion of the gene encoding RR protein renders the mutant D. radiodurans (DeltaRR) unable to express kdp operon under potassium limitation. The DeltaRR D. radiodurans displays no growth defect when grown on rich media or when exposed to oxidative or heat stress but shows reduced growth following gamma irradiation. The study elucidates the functional and regulatory aspects of the novel kdp operon of this extremophile, for the first time. PMID- 29206868 TI - A model for foreign exchange markets based on glassy Brownian systems. AB - In this work we extend a well-known model from arrested physical systems, and employ it in order to efficiently depict different currency pairs of foreign exchange market price fluctuation distributions. We consider the exchange rate price in the time range between 2010 and 2016 at yearly time intervals and resolved at one minute frequency. We then fit the experimental datasets with this model, and find significant qualitative symmetry between price fluctuation distributions from the currency market, and the ones belonging to colloidal particles position in arrested states. The main contribution of this paper is a well-known physical model that does not necessarily assume the independent and identically distributed (i.i.d.) restrictive condition. PMID- 29206867 TI - GNB3 overexpression causes obesity and metabolic syndrome. AB - The G-protein beta subunit 3 (GNB3) gene has been implicated in obesity risk; however, the molecular mechanism of GNB3-related disease is unknown. GNB3 duplication is responsible for a syndromic form of childhood obesity, and an activating DNA sequence variant (C825T) in GNB3 is also associated with obesity. To test the hypothesis that GNB3 overexpression causes obesity, we created bacterial artificial chromosome (BAC) transgenic mice that carry an extra copy of the human GNB3 risk allele. Here we show that GNB3-T/+ mice have increased adiposity, but not greater food intake or a defect in satiety. GNB3-T/+ mice have elevated fasting plasma glucose, insulin, and C-peptide, as well as glucose intolerance, indicating type 2 diabetes. Fasting plasma leptin, triglycerides, cholesterol and phospholipids are elevated, suggesting metabolic syndrome. Based on a battery of behavioral tests, GNB3-T/+ mice did not exhibit anxiety- or depressive-like phenotypes. GNB3-T/+ and wild-type animals have similar activity levels and heat production; however, GNB3-T/+ mice exhibit dysregulation of acute thermogenesis. Finally, Ucp1 expression is significantly lower in white adipose tissue (WAT) in GNB3-T/+ mice, suggestive of WAT remodeling that could lead to impaired cellular thermogenesis. Taken together, our study provides the first functional link between GNB3 and obesity, and presents insight into novel pathways that could be applied to combat obesity and type 2 diabetes. PMID- 29206869 TI - Measurements of 6-thioguanine nucleotide levels with TPMT and NUDT15 genotyping in patients with Crohn's disease. AB - The association between the 6-thioguanine nucleotide (6-TGN) level and clinical remission in Crohn's disease (CD) remains controversial. Thiopurine-induced leukopenia is a life-threatening complication of CD in Asians that was recently shown to strongly correlate with NUDT15 genetic variants. This study aimed to determine the relationship between thiopurine metabolite levels and therapeutic response, and to investigate the association of NUDT15, TPMT, and thiopurine metabolites with leukopenia in patients with CD. We enrolled 165 adult patients with CD undergoing thiopurine treatment. Clinical evaluation and laboratory examinations were carried out every 2-3 months. We measured thiopurine metabolites levels and genotyped NUDT15 and TPMT. During the median 12-month observational period, 95 (67.9%) patients exhibited clinical response and 45 (32.1%) did not respond to the treatment. The median 6-TGN level was significantly higher in responders than in non-responders (P < 0.001). The odds ratio of patients with a 6-TGN level >=230 pmol/8 * 108 red blood cells for showing a clinical response was 4.63 (95% CI 1.62-11.9). NUDT15 variant types were strongly associated with developing leukopenia. Patients with NUDT15 homozygous variant genotype developed severe early leukopenia with an average reduction of 88.2% (range, 84-94%) from the baseline white blood cell count at 4 weeks. Our findings support the role of therapeutic drug monitoring in thiopurine maintenance treatment to optimize thiopurine therapy, especially, for non responding CD patients. Thiopurine treatment should not be recommended to patients with NUDT15 homozygous variant genotype due to severe early leukopenia. PMID- 29206870 TI - Loss of polarity alters proliferation and differentiation in low-grade endometrial cancers by disrupting Notch signaling. AB - Cell adhesion and apicobasal polarity together maintain epithelial tissue organization and homeostasis. Loss of adhesion has been described as a prerequisite for the epithelial to mesenchymal transition. However, what role misregulation of apicobasal polarity promotes tumor initiation and/or early progression remains unclear. We find that human low-grade endometrial cancers are associated with disrupted localization of the apical polarity protein Par3 and Ezrin while, the adhesion molecule E-cadherin remains unchanged, accompanied by decreased Notch signaling, and altered Notch receptor localization. Depletion of Par3 or Ezrin, in a cell-based model, results in loss of epithelial architecture, differentiation, increased proliferation, migration and decreased Notch signaling. Re-expression of Par3 in endometrial cancer cell lines with disrupted Par3 protein levels blocks proliferation and reduces migration in a Notch dependent manner. These data uncover a function for apicobasal polarity independent of cell adhesion in regulating Notch-mediated differentiation signals in endometrial epithelial cells. PMID- 29206871 TI - Clopidogrel in a combined therapy with anticancer drugs-effect on tumor growth, metastasis, and treatment toxicity: Studies in animal models. AB - Clopidogrel, a thienopyridine derivative with antiplatelet activity, is widely prescribed for patients with cardiovascular diseases. In addition to antiplatelet activity, antiplatelet agents possess anticancer and antimetastatic properties. Contrary to this, results of some studies have suggested that the use of clopidogrel and other thienopyridines accelerates the progression of breast, colorectal, and prostate cancer. Therefore, in this study, we aimed to evaluate the efficacy of clopidogrel and various anticancer agents as a combined treatment using mouse models of breast, colorectal, and prostate cancer. Metastatic dissemination, selected parameters of platelet morphology and biochemistry, as well as angiogenesis were assessed. In addition, body weight, blood morphology, and biochemistry were evaluated to test toxicity of the studied compounds. According to the results, clopidogrel increased antitumor and/or antimetastatic activity of chemotherapeutics such as 5-fluorouracil, cyclophosphamide, and mitoxantrone, whereas it decreased the anticancer activity of doxorubicin, cisplatin, and tamoxifen. The mechanisms of such divergent activities may be based on the modulation of tumor vasculature via factors, such as transforming growth factor beta1 released from platelets. Moreover, clopidogrel increased the toxicity of docetaxel and protected against mitoxantrone-induced toxicity, which may be due to the modulation of hepatic enzymes and protection of the vasculature, respectively. These results demonstrate that antiplatelet agents can be useful but also dangerous in anticancer treatment and therefore use of thienopyridines in patients undergoing chemotherapy should be carefully evaluated. PMID- 29206873 TI - Correction: Repurposed Transcriptomic Data Reveal Small Viral RNA Produced by Influenza Virus during Infection in Mice. AB - [This corrects the article DOI: 10.1371/journal.pone.0165729.]. PMID- 29206872 TI - Socioeconomic disparities and sexual dimorphism in neurotoxic effects of ambient fine particles on youth IQ: A longitudinal analysis. AB - Mounting evidence indicates that early-life exposure to particulate air pollutants pose threats to children's cognitive development, but studies about the neurotoxic effects associated with exposures during adolescence remain unclear. We examined whether exposure to ambient fine particles (PM2.5) at residential locations affects intelligence quotient (IQ) during pre-/early- adolescence (ages 9-11) and emerging adulthood (ages 18-20) in a demographically diverse population (N = 1,360) residing in Southern California. Increased ambient PM2.5 levels were associated with decreased IQ scores. This association was more evident for Performance IQ (PIQ), but less for Verbal IQ, assessed by the Wechsler Abbreviated Scale of Intelligence. For each inter-quartile (7.73 MUg/m3) increase in one-year PM2.5 preceding each assessment, the average PIQ score decreased by 3.08 points (95% confidence interval = [-6.04, -0.12]) accounting for within-family/within-individual correlations, demographic characteristics, family socioeconomic status (SES), parents' cognitive abilities, neighborhood characteristics, and other spatial confounders. The adverse effect was 150% greater in low SES families and 89% stronger in males, compared to their counterparts. Better understanding of the social disparities and sexual dimorphism in the adverse PM2.5-IQ effects may help elucidate the underlying mechanisms and shed light on prevention strategies. PMID- 29206874 TI - Correction: Human babesiosis: Indication of a molecular mimicry between thrombospondin domains from a novel Babesia microti BmP53 protein and host platelets molecules. AB - [This corrects the article DOI: 10.1371/journal.pone.0185372.]. PMID- 29206875 TI - Correction: Effects of insulin like growth factors on early embryonic chick limb myogenesis. AB - [This corrects the article DOI: 10.1371/journal.pone.0185775.]. PMID- 29206877 TI - Correction: Quality of life measures predict cardiovascular health and physical performance in chronic renal failure patients. AB - [This corrects the article DOI: 10.1371/journal.pone.0183926.]. PMID- 29206876 TI - DNA barcoding, ecology and geography of the cryptic species of Aneura pinguis and their relationships with Aneura maxima and Aneura mirabilis (Metzgeriales, Marchantiophyta). AB - Aneura pinguis is a thalloid liverwort species with broad geographical distribution. It is composed of cryptic species, however, the number of cryptic species within A. pinguis is not known. Five cpDNA regions (matK, rbcL, rpoC1, trnH-psbA and trnL-trnF) and the entire nuclear ITS region were studied in 130 samples of A. pinguis from different geographical regions. The relationships between the cryptic species of A. pinguis, A. maxima and A. mirabilis were analyzed. All of the examined samples were clustered into 10 clades corresponding to 10 cryptic species of A. pinguis (marked A to J). Aneura mirabilis and A. maxima were nested among different cryptic species of A. pinguis, which indicates that A. pinguis is a paraphyletic taxon. Subgroups were found in cryptic species A, B, C and E. As single barcodes, all tested DNA regions had 100% discriminant power and fulfilled DNA barcode criteria for species identification; however, the only combination detected in all subgroups was trnL-trnF with trnH-psbA or ITS2. The distances between cryptic species were 11- to 35-fold higher than intraspecific distances. In all analyzed DNA regions, the distances between most pairs of cryptic A. pinguis species were higher than between A. maxima and A. mirabilis. All cryptic species of A. pinguis clearly differed in their habitat preferences, which suggests that habitat adaptation could be the main driving force behind cryptic speciation within this taxon. PMID- 29206878 TI - Predictors of mercury, lead, cadmium and antimony status in Norwegian never pregnant women of fertile age. AB - BACKGROUND: The toxic trace elements mercury (Hg), lead (Pb), cadmium (Cd) and antimony (Sb) are transferred over the placenta to the fetus and secreted into the breastmilk. All four elements bioaccumulate in the body and as maternal age at delivery is increasing in industrialized countries, the burden of toxic trace elements in never-pregnant women of fertile age is of concern. METHODS: Healthy, never-pregnant women aged 18 to 40 years (n = 158) were recruited between June 2012 and March 2015 in Bergen, Norway. Clinical data were collected and non fasting venous blood samples were analyzed for whole blood Hg, Pb and Cd and serum Sb by ICP-MS and related to diet and life style factors. RESULTS: In a multiple linear regression model, increasing age was associated with higher levels of Hg and Sb, but diet and life style factors were more important predictors. Median whole blood Hg was increased by a factor of 70 in women who had fish for dinner >=1/week, compared to women who rarely or never ate fish (p<0.001). Alcohol intake was the strongest predictor for whole blood Pb, while use of tobacco was the strongest predictor for whole blood Cd. Being a vegetarian was associated with lower levels of both Hg and Sb. CONCLUSIONS: As toxic trace elements tend to bioaccumulate in the body, increasing maternal age at delivery may represent a threat to the next generation. In a group of healthy Norwegian never-pregnant women, age contributed to Hg and Sb levels, but diet and life style factors were stronger determinants of whole blood Hg, Pb, Cd and serum Sb levels. Continuous public actions are needed to reduce modifiable and preventable sources of potentially deleterious toxins to minimize the exposure in children and fertile women. PMID- 29206879 TI - Climate change influences on the potential geographic distribution of the disease vector tick Ixodes ricinus. AB - BACKGROUND: Ixodes ricinus is a species of hard tick that transmits several important diseases in Europe and North Africa, including Lyme borreliosis and tick-borne encephalitis. Climate change is affecting the geographic distributions and abundances of arthropod vectors, which in turn influence the geographic distribution and epidemiology of associated vector-borne diseases. To date, few studies have investigated effects of climate change on the spatial distribution of I. ricinus at continental extents. Here, we assessed the potential distribution of I. ricinus under current and future climate conditions to understand how climate change will influence the geographic distribution of this important tick vector in coming decades. METHOD: We used ecological niche modeling to estimate the geographic distribution of I. ricinus with respect to current climate, and then assessed its future potential distribution under different climate change scenarios. This approach integrates occurrence records of I. ricinus with six relevant environmental variables over a continental extent that includes Europe, North Africa, and the Middle East. Future projections were based on climate data from 17 general circulation models (GCMs) under 2 representative concentration pathway emissions scenarios (RCPs), for the years 2050 and 2070. RESULT: The present and future potential distributions of I. ricinus showed broad overlap across most of western and central Europe, and in more narrow zones in eastern and northern Europe, and North Africa. Potential expansions were observed in northern and eastern Europe. These results indicate that I. ricinus populations could emerge in areas in which they are currently lacking, posing increased risks to human health in those areas. However, the future of I. ricinus ticks in some important regions such the Mediterranean was unclear owing to high uncertainty in model predictions. PMID- 29206880 TI - Improved multi-objective clustering algorithm using particle swarm optimization. AB - Multi-objective clustering has received widespread attention recently, as it can obtain more accurate and reasonable solution. In this paper, an improved multi objective clustering framework using particle swarm optimization (IMCPSO) is proposed. Firstly, a novel particle representation for clustering problem is designed to help PSO search clustering solutions in continuous space. Secondly, the distribution of Pareto set is analyzed. The analysis results are applied to the leader selection strategy, and make algorithm avoid trapping in local optimum. Moreover, a clustering solution-improved method is proposed, which can increase the efficiency in searching clustering solution greatly. In the experiments, 28 datasets are used and nine state-of-the-art clustering algorithms are compared, the proposed method is superior to other approaches in the evaluation index ARI. PMID- 29206881 TI - Deletion of lynx1 reduces the function of alpha6* nicotinic receptors. AB - The alpha6 nicotinic acetylcholine receptor (nAChR) subunit is an attractive drug target for treating nicotine addiction because it is present at limited sites in the brain including the reward pathway. Lynx1 modulates several nAChR subtypes; lynx1-nAChR interaction sites could possibly provide drug targets. We found that dopaminergic cells from the substantia nigra pars compacta (SNc) express lynx1 mRNA transcripts and, as assessed by co-immunoprecipitation, alpha6 receptors form stable complexes with lynx1 protein, although co-transfection with lynx1 did not affect nicotine-induced currents from cell lines transfected with alpha6 and beta2. To test whether lynx1 is important for the function of alpha6 nAChRs in vivo, we bred transgenic mice carrying a hypersensitive mutation in the alpha6 nAChR subunit (alpha6L9'S) with lynx1 knockout mice, providing a selective probe of the effects of lynx1 on alpha6* nAChRs. Lynx1 removal reduced the alpha6 component of nicotine-mediated rubidium efflux and dopamine (DA) release from synaptosomal preparations with no effect on numbers of alpha6beta2 binding sites, indicating that lynx1 is functionally important for alpha6* nAChR activity. No effects of lynx1 removal were detected on nicotine-induced currents in slices from SNc, suggesting that lynx1 affects presynaptic alpha6* nAChR function more than somatic function. In the absence of agonist, lynx1 removal did not alter DA release in dorsal striatum as measured by fast scan cyclic voltammetry. Lynx1 removal affected some behaviors, including a novel-environment assay and nicotine stimulated locomotion. Trends in 24-hour home-cage behavior were also suggestive of an effect of lynx1 removal. Conditioned place preference for nicotine was not affected by lynx1 removal. The results show that some functional and behavioral aspects of alpha6-nAChRs are modulated by lynx1. PMID- 29206883 TI - Watching TV has a distinct sociodemographic and lifestyle profile compared with other sedentary behaviors: A nationwide population-based study. AB - Watching TV has been consistently associated with higher risk of adverse health outcomes, but the effect of other sedentary behaviors (SB) is uncertain. Potential explanations are that watching TV is not a marker of a broader sedentary pattern and that each SB reflects different sociodemographic and health characteristics. Data were taken form a survey on 10,199 individuals, representative of the Spanish population aged >=18 years. SB and other health behaviors were ascertained using validated questionnaires. Watching TV was the predominant SB (45.4% of the total sitting time), followed by sitting at the computer (22.7%). TV watching time showed no correlation with total time on other SB (r: -0.02, p = 0.07). By contrast, time spent at the computer was directly correlated with time spent on commuting (r: 0.07, p<0.01), listening to music (r: 0.10, p<0.01) and reading (r: 0.08, p<0.01). TV watching time was greater in those with older age, lower education, unhealthier lifestyle, and with diabetes or osteomuscular disease. More time spent at the computer or in commuting was linked to younger age, male gender, higher education and having a sedentary job. In conclusion, watching TV is not correlated with other SB and shows a distinct demographic and lifestyle profile. PMID- 29206882 TI - Morphological study of the eye and adnexa in capuchin monkeys (Sapajus sp.). AB - The objective of this study was to describe the anatomic and histologic features of the Sapajus sp. eye, comparing similarities and differences of humans and other species of non-human primates for biomedical research purposes. Computed tomography (CT) of adnexa, eye and orbit live animal, as well as formolized pieces of the same structures of Sapajus sp. for anatomical and histological study were also performed. The anatomical description of the eye and adnexa was performed using the techniques of topographic dissection and exenteration. Histological fragments were fixated in buffered formalin 10%, processed by the routine paraffin inclusion technique, stained with hematoxylin-eosin and special stains. CT scan evaluation showed no differences between the live animal and the formolized head on identification of visual apparatus structures. Anatomic and histologic evaluation revealed rounded orbit, absence of the supraorbital foramen and frontal notch, little exposure of the sclera, with slight pigmentation of the exposed area and marked pigmentation at the sclerocorneal junction. Masson's Trichrome revealed the Meibomian glands, the corneal epithelium and Bowman's membrane; in the choroid, melanocytes and Bruch's membrane were observed; and in the retina, cones and rods as well as, optic nerve, the lamina cribrosa of the nerve fibers bundles. Toluidine blue highlighted the membranes: Bowman, Descemet and the endothelium; in the choroid: melanocytes; and in the retina: nuclear layers and retinal pigment epithelium. In view of the observed results Sapajus sp. is an important experimental model for research in the ophthalmology field, which has been shown due to the high similarity of its anatomical and histological structures with the human species. PMID- 29206884 TI - Rapid research and implementation priority setting for wound care uncertainties. AB - INTRODUCTION: People with complex wounds are more likely to be elderly, living with multimorbidity and wound related symptoms. A variety of products are available for managing complex wounds and a range of healthcare professionals are involved in wound care, yet there is a lack of good evidence to guide practice and services. These factors create uncertainty for those who deliver and those who manage wound care. Formal priority setting for research and implementation topics is needed to more accurately target the gaps in treatment and services. We solicited practitioner and manager uncertainties in wound care and held a priority setting workshop to facilitate a collaborative approach to prioritising wound care-related uncertainties. METHODS: We recruited healthcare professionals who regularly cared for patients with complex wounds, were wound care specialists or managed wound care services. Participants submitted up to five wound care uncertainties in consultation with their colleagues, via an on-line survey and attended a priority setting workshop. Submitted uncertainties were collated, sorted and categorised according professional group. On the day of the workshop, participants were divided into four groups depending on their profession. Uncertainties submitted by their professional group were viewed, discussed and amended, prior to the first of three individual voting rounds. Participants cast up to ten votes for the uncertainties they judged as being high priority. Continuing in the professional groups, the top 10 uncertainties from each group were displayed, and the process was repeated. Groups were then brought together for a plenary session in which the final priorities were individually scored on a scale of 0-10 by participants. Priorities were ranked and results presented. Nominal group technique was used for generating the final uncertainties, voting and discussions. RESULTS: Thirty-three participants attended the workshop comprising; 10 specialist nurses, 10 district nurses, seven podiatrists and six managers. Participants had been qualified for a mean of 20.7 years with a mean of 16.8 years of wound care experience. One hundred and thirty-nine uncertainties were submitted electronically and a further 20 were identified on the day of the workshop following lively, interactive group discussions. Twenty-five uncertainties from the total of 159 generated made it to the final prioritised list. These included six of the 20 new uncertainties. The uncertainties varied in focus, but could be broadly categorised into three themes: service delivery and organisation, patient centred care and treatment options. Specialist nurses were more likely to vote for service delivery and organisation topics, podiatrists for patient centred topics, district nurses for treatment options and operational leads for a broad range. CONCLUSIONS: This collaborative priority setting project is the first to engage front-line clinicians in prioritising research and implementation topics in wound care. We have shown that it is feasible to conduct topic prioritisation in a short time frame. This project has demonstrated that with careful planning and rigor, important questions that are raised in the course of clinicians' daily decision making can be translated into meaningful research and implementation initiatives that could make a difference to service delivery and patient care. PMID- 29206885 TI - Does elevated glucose metabolism correlate with higher cell density in Neurofibromatosis type 1 associated peripheral nerve sheath tumors? AB - PURPOSE: To investigate whether elevated glucose metabolism in neurofibroma, determined by [F18]-FDG-PET, is correlated with cell density in MRI, as expressed through the apparent diffusion coefficient. MATERIALS AND METHODS: Patients diagnosed with neurofibromatosis type 1 and peripheral nerve sheath tumors (PNST) were enrolled in this prospective, IRB-approved study. After a single [F18]-FDG injection, patients consecutively underwent [F18]-FDG-PET/CT and [F18]-FDG PET/MRI on the same day. Maximum and mean standardized uptake values (SUVmax, SUVmean) on [F18]-FDG-PET/CT and [F18]-FDG-PET/MRI were compared, and correlated with minimum and mean apparent diffusion coefficients (ADCmean, ADCmin). RESULTS: A total of 12 (6 male/6 female, mean age was 16.2 +/- 5.2 years) patients were prospectively included and analyzed on a per-lesion (n = 39) basis. The SUVmean of examined PNST showed a moderate negative correlation with the ADCmean (r = .441) and ADCmin (r = -.477), which proved to be statistically significant (p = .005 and p = .002). The SUVmax of the respective lesions, however, showed a weaker negative correlation for ADCmean (r: -.311) and ADCmin (r: -.300) and did not reach statistical significance (p = .054 and p = .057). Lesion-based correlation between [F18]-FDG-PET/MRI and [F18]-FDG-PET/CT showed a moderate correlation for SUVmax (r = .353; p = .027) and a strong one for SUVmean (r = .879; p = .001)). Patient-based liver uptake (SUVmax and mean) of [F18]-FDG PET/MRI and [F18]-FDG-PET/CT were strongly positively correlated (r = .827; p < .001 and r = .721; p < .001) but differed significantly (p < .001). CONCLUSIONS: We found a statistically significant, negative correlation between glucose metabolism and cell density in PNST. Thus, ADCmean and ADCmin could possibly add complimentary information to the SUVmax and SUVmean and may serve as a potential determinant of malignant transformation of PNST. PMID- 29206886 TI - Monodisperse measurement of the biotin-streptavidin interaction strength in a well-defined pulling geometry. AB - The widely used interaction of the homotetramer streptavidin with the small molecule biotin has been intensively studied by force spectroscopy and has become a model system for receptor ligand interaction. However, streptavidin's tetravalency results in diverse force propagation pathways through the different binding interfaces. This multiplicity gives rise to polydisperse force spectroscopy data. Here, we present an engineered monovalent streptavidin tetramer with a single cysteine in its functional subunit that allows for site specific immobilization of the molecule, orthogonal to biotin binding. Functionality of streptavidin and its binding properties for biotin remain unaffected. We thus created a stable and reliable molecular anchor with a unique high-affinity binding site for biotinylated molecules or nanoparticles, which we expect to be useful for many single-molecule applications. To characterize the mechanical properties of the bond between biotin and our monovalent streptavidin, we performed force spectroscopy experiments using an atomic force microscope. We were able to conduct measurements at the single-molecule level with 1:1 stoichiometry and a well-defined geometry, in which force exclusively propagates through a single subunit of the streptavidin tetramer. For different force loading rates, we obtained narrow force distributions of the bond rupture forces ranging from 200 pN at 1,500 pN/s to 230 pN at 110,000 pN/s. The data are in very good agreement with the standard Bell-Evans model with a single potential barrier at Deltax0 = 0.38 nm and a zero-force off-rate koff,0 in the 10-6 s-1 range. PMID- 29206887 TI - Reduced spore germination explains sensitivity of reef-building algae to climate change stressors. AB - Reduced seawater pH and changes in carbonate chemistry associated with ocean acidification (OA) decrease the recruitment of crustose coralline algae (CCAcf.), an important coral-reef builder. However, it is unclear whether the observed decline in recruitment is driven by impairment of spore germination, or post settlement processes (e.g. space competition). To address this, we conducted an experiment using a dominant CCA, Porolithon cf. onkodes to test the independent and combined effects of OA, warming, and irradiance on its germination success and early development. Elevated CO2 negatively affected several processes of spore germination, including formation of the germination disc, initial growth, and germling survival. The magnitude of these effects varied depending on the levels of temperature and irradiance. For example, the combination of high CO2 and high temperature reduced formation of the germination disc, but this effect was independent of irradiance levels, while spore abnormalities increased under high CO2 and high temperature particularly in combination with low irradiance intensity. This study demonstrates that spore germination of CCA is impacted by the independent and interactive effects of OA, increasing seawater temperature and irradiance intensity. For the first time, this provides a mechanism for how the sensitivity of critical early life history processes to global change may drive declines of adult populations of key marine calcifiers. PMID- 29206888 TI - Corrigendum: Supported Discharge Teams for older people in hospital acute care: a randomized controlled trial. PMID- 29206889 TI - Drastic decrease of the HIV reservoir in a patient treated with nivolumab for lung cancer. PMID- 29206890 TI - Validation of the diagnosis of mesothelioma and BAP1 protein expression in a cohort of asbestos textile workers from Northern Italy. AB - Background: Diagnosis of mesothelioma based on death certificate is subject to misclassification, which may bias the results of epidemiology studies. A high proportion of mesothelioma harbor mutations in the BRCA1-associated protein 1 (BAP1) gene. Methods: We searched medical and pathology records and specimens for 127 workers from a textile-asbestos factory in Italy who died during 1963-2013 with a diagnosis of pleural or peritoneal neoplasm or mesothelioma on death certificate, to confirm the diagnosis with immunohistochemistry markers. We calculated the odds ratio of confirmation by selected characteristics and asbestos exposure variables. When sufficient pathology material was available, we analyzed BAP1 protein expression. Results: The diagnosis of mesothelioma was histologically confirmed for 35 cases (27.6%); 5 cases were classified as non mesothelioma (3.9%), for 33 cases a mention of mesothelioma was found on record but no sufficient material was available for revision (26.0%); no records were available for 54 cases (death-certificate-only 42.5%). Diagnostic confirmation was not associated with sex, location of the neoplasm, age, or duration of employment; however, there was a significant association with time since first employment (P for linear trend 0.04). An association between duration of employment and time since first employment was observed for confirmed cases but not for death-certificate-only cases. BAP1 protein was lost in 18/35 cases (51.4%), without an association with sex, location, age, indices of asbestos exposure, or survival. Conclusions: We were able to confirm by immunohistochemistry a small proportion of mesothelioma diagnoses on certificates of deceased asbestos workers, and confirmation correlated with latency of asbestos exposure but not other characteristics. BAP1 protein loss is a frequent event in mesothelioma of asbestos-exposed workers, but does not correlate with exposure. PMID- 29206891 TI - Rituximab: a benchmark in the development of chemotherapy-free treatment strategies for follicular lymphomas. AB - Background: With the introduction of the anti-CD20 antibody rituximab, the outcome of patients with follicular lymphoma (FL) has greatly improved over the last two decades. First-line prolonged rituximab monotherapy is effective, achieving long-term remission and prolonged failure-free survival in some patients. Additionally, rituximab has been shown to synergize with chemotherapeutic and novel targeted agents alike with measurable gains in duration of response. As such, rituximab has made its mark in the treatment of FL and remains a valid agent despite the availability of newer monoclonal antibodies. This review summarizes the evolving role of rituximab as the first available anti-CD20 monoclonal antibody, emphasizing its clear activity as a single agent and in combination with chemotherapy or molecular targeted agents, and setting the standard for the development of new anti-CD20 monoclonal antibodies. Conclusion: We provide data that support the ongoing use of rituximab as a therapeutic partner for novel agents in future clinical trials exploring chemotherapy-free alternatives. PMID- 29206892 TI - Progestin-associated shift of meningioma mutational landscape. AB - Background: Meningiomas are the most common primary tumor of the central nervous system. The relationship between meningioma and progestins is frequently mentioned but has not been elucidated. Patients and methods: We identified 40 female patients operated for a meningioma after long-term progestin therapy and performed targeted next generation sequencing to decipher the mutational landscape of hormone-related meningiomas. A published cohort of 530 meningiomas in women was used as a reference population. Results: Compared with the control population of meningiomas in women, progestin-associated meningiomas were more frequently multiple meningiomas [19/40 (48%) versus 25/530 (5%), P < 10-12] and located at the skull base [46/72 (64%) versus 241/481 (50%), P = 0.03]. We found a higher frequency of PIK3CA mutations [14/40 (35%) versus 18/530 (3%), P < 10-8] and TRAF7 mutations [16/40 (40%) versus 140/530 (26%), P < 0.001] and a lower frequency of NF2-related tumors compared with the control population of meningiomas [3/40 (7.5%) versus 169/530 (32%), P < 0.001]. Conclusion: This shift in mutational landscape indicates the vulnerability of certain meningeal cells and mutations to hormone-induced tumorigenesis. While the relationship between PIK3CA mutation frequency and hormone-related cancers such as breast and endometrial cancer is well-known, this hormonally induced mutational shift is a unique feature in molecular oncology. PMID- 29206893 TI - The cerebellar cognitive affective/Schmahmann syndrome scale. AB - Cerebellar cognitive affective syndrome (CCAS; Schmahmann's syndrome) is characterized by deficits in executive function, linguistic processing, spatial cognition, and affect regulation. Diagnosis currently relies on detailed neuropsychological testing. The aim of this study was to develop an office or bedside cognitive screen to help identify CCAS in cerebellar patients. Secondary objectives were to evaluate whether available brief tests of mental function detect cognitive impairment in cerebellar patients, whether cognitive performance is different in patients with isolated cerebellar lesions versus complex cerebrocerebellar pathology, and whether there are cognitive deficits that should raise red flags about extra-cerebellar pathology. Comprehensive standard neuropsychological tests, experimental measures and clinical rating scales were administered to 77 patients with cerebellar disease-36 isolated cerebellar degeneration or injury, and 41 complex cerebrocerebellar pathology-and to healthy matched controls. Tests that differentiated patients from controls were used to develop a screening instrument that includes the cardinal elements of CCAS. We validated this new scale in a new cohort of 39 cerebellar patients and 55 healthy controls. We confirm the defining features of CCAS using neuropsychological measures. Deficits in executive function were most pronounced for working memory, mental flexibility, and abstract reasoning. Language deficits included verb for noun generation and phonemic > semantic fluency. Visual spatial function was degraded in performance and interpretation of visual stimuli. Neuropsychiatric features included impairments in attentional control, emotional control, psychosis spectrum disorders and social skill set. From these results, we derived a 10-item scale providing total raw score, cut-offs for each test, and pass/fail criteria that determined 'possible' (one test failed), 'probable' (two tests failed), and 'definite' CCAS (three tests failed). When applied to the exploratory cohort, and administered to the validation cohort, the CCAS/Schmahmann scale identified sensitivity and selectivity, respectively as possible exploratory cohort: 85%/74%, validation cohort: 95%/78%; probable exploratory cohort: 58%/94%, validation cohort: 82%/93%; and definite exploratory cohort: 48%/100%, validation cohort: 46%/100%. In patients in the exploratory cohort, Mini-Mental State Examination and Montreal Cognitive Assessment scores were within normal range. Complex cerebrocerebellar disease patients were impaired on similarities in comparison to isolated cerebellar disease. Inability to recall words from multiple choice occurred only in patients with extra cerebellar disease. The CCAS/Schmahmann syndrome scale is useful for expedited clinical assessment of CCAS in patients with cerebellar disorders.awx317media15678692096001. PMID- 29206894 TI - Liver Transplantation in Patients with Alcoholic Liver Disease: A Retrospective Study. AB - Aim: Alcoholic liver disease (ALD) is the most common liver disease in the Western World. Liver transplantation (LT) is the treatment for end-stage ALD. However, many transplant centers are still reluctant to transplant these patients because of the risk of alcohol relapse, recurrence of the primary liver disease and associated post-transplant complications. We examined survival rate, prevalence of primary liver disease recurrence, re-transplantation and post transplant complications among transplanted patients for alcoholic cirrhosis compared with those transplanted for viral cirrhosis. Methods: data about patients transplanted for alcoholic and viral cirrhosis at the Gemelli Hospital from January 1995 to April 2016 were retrospectively collected. Survival rate was evaluated according to the Kaplan-Meier method. Recurrence was defined as histological evidence of primary liver disease. Data on the onset of complication, causes of death and graft failure after liver transplant were analyzed. Results: There was no statistically significant difference regarding survival rate between the two groups. Only patients transplanted for viral cirrhosis presented with primary liver disease recurrence. There was a higher rate of cancer development in patients transplanted for alcoholic cirrhosis. Cancer was the major cause of death in this population. Risk factors associated with the onset of cancer were a high MELD score at the transplant time and smoking after transplantation. Conclusion: ALD is a good indication for LT. Patients transplanted for alcoholic cirrhosis should receive regular cancer screening and should be advised against smoking. Short Summary: No difference was found between patients transplanted for alcoholic cirrhosis and viral cirrhosis in term of survival rate. Only patients transplanted for viral cirrhosis presented primary liver disease recurrence. A higher rate of cancer development was found in patients transplanted for alcoholic cirrohosis. This complication was associated with post-trasplant smoking. PMID- 29206896 TI - Review of methodologies of cohort studies of older people. AB - This paper describes a cohort study in terms of its design, the research questions answered by cohort studies, common analytic techniques and the strengths and limitations of this type of study. We also describe the main cohort studies of older populations, many of which are available for secondary data analysis. PMID- 29206895 TI - Minimally conscious state or cortically mediated state? AB - Durable impairments of consciousness are currently classified in three main neurological categories: comatose state, vegetative state (also recently coined unresponsive wakefulness syndrome) and minimally conscious state. While the introduction of minimally conscious state, in 2002, was a major progress to help clinicians recognize complex non-reflexive behaviours in the absence of functional communication, it raises several problems. The most important issue related to minimally conscious state lies in its criteria: while behavioural definition of minimally conscious state lacks any direct evidence of patient's conscious content or conscious state, it includes the adjective 'conscious'. I discuss this major problem in this review and propose a novel interpretation of minimally conscious state: its criteria do not inform us about the potential residual consciousness of patients, but they do inform us with certainty about the presence of a cortically mediated state. Based on this constructive criticism review, I suggest three proposals aiming at improving the way we describe the subjective and cognitive state of non-communicating patients. In particular, I present a tentative new classification of impairments of consciousness that combines behavioural evidence with functional brain imaging data, in order to probe directly and univocally residual conscious processes. PMID- 29206897 TI - Optimization of Poplar mRNA purification for trancriptome library construction. PMID- 29206898 TI - Somatic mutation footprinting reveals a unique tetranucleotide signature associated with intron-exon boundaries in lung cancer. AB - Cigarette smoke comprises a large number of carcinogenic substances that can increase DNA mutation load in epithelial cells of the mouth, throat and lungs. While a strong C:A substitution preference is abundant in tobacco-related cancer genomes, detection of complex or less abundant somatic mutation signatures may be confounded by the heterogeneity of carcinogens present in smoke. Trinucleotide signatures are defined for a variety of somatic mutation processes, yet the extent to which this configuration optimally defines and discriminates between mutational processes is not clear. Here, we describe a method that determines whether trinucleotide patterns do a good job at encapsulating a mutation signature or whether they mask underlying heterogeneity that alternative pattern structures would better define. The approach works by mapping the dependency of trinucleotide signatures in relation to sequence context to establish a 'footprint' of context dependency. Applying this technique to smoke-associated cancers, we show that a robust tetranucleotide substitution is prevalent in 17% of lung squamous cell carcinoma genomes. The signature is dominated by the substitution CT(C:A)G and is strongly associated with gene expression level and intron-exon junctions. Intriguingly, its distribution across the genome is biased towards 5' splice junctions, suggesting a novel mechanism of mutation. PMID- 29206899 TI - MOSAIC: a chemical-genetic interaction data repository and web resource for exploring chemical modes of action. AB - Summary: Chemical-genomic approaches that map interactions between small molecules and genetic perturbations offer a promising strategy for functional annotation of uncharacterized bioactive compounds. We recently developed a new high-throughput platform for mapping chemical-genetic (CG) interactions in yeast that can be scaled to screen large compound collections, and we applied this system to generate CG interaction profiles for more than 13 000 compounds. When integrated with the existing global yeast genetic interaction network, CG interaction profiles can enable mode-of-action prediction for previously uncharacterized compounds as well as discover unexpected secondary effects for known drugs. To facilitate future analysis of these valuable data, we developed a public database and web interface named MOSAIC. The website provides a convenient interface for querying compounds, bioprocesses (Gene Ontology terms) and genes for CG information including direct CG interactions, bioprocesses and gene-level target predictions. MOSAIC also provides access to chemical structure information of screened molecules, chemical-genomic profiles and the ability to search for compounds sharing structural and functional similarity. This resource will be of interest to chemical biologists for discovering new small molecule probes with specific modes-of-action as well as computational biologists interested in analysing CG interaction networks. Availability and implementation: MOSAIC is available at http://mosaic.cs.umn.edu. Contact: hisyo@riken.jp, yoshidam@riken.jp, charlie.boone@utoronto.ca or chadm@umn.edu. Supplementary information: Supplementary data are available at Bioinformatics online. PMID- 29206900 TI - Cbx3 inhibits vascular smooth muscle cell proliferation, migration, and neointima formation. AB - Aims: To investigate the role of chromobox protein homolog 3 (Cbx3) in vascular smooth muscle cell (VSMC) proliferation, migration, and neointima formation following vascular injury. Methods and results: Overexpression of Cbx3 led to a significant increase in VSMC contractile gene expression and VSMC apoptosis as well as a dramatic decrease in collagen gene expression, VSMC proliferation, and migration. Meanwhile, the opposite was observed following inhibition of endogenous Cbx3. Luciferase activity assays revealed that Notch signalling, but neither beta-catenin nor NF-kappaB signalling, is regulated by Cbx3 in VSMCs, and among the four Notch receptors, Notch3 is selectively down-regulated by Cbx3 through a transcriptional repression mechanism. Notch3 gene activation recapitulates the effects of Cbx3 knockdown on VSMC proliferation and migration. Consequently, the inhibitory effects of Cbx3 over-expression on VSMC proliferation and migration were reversed by Notch3 gene reactivation. In a model of vascular damage by carotid wire injury, we observed that Cbx3 expression was dramatically down-regulated in the injured arteries. Local ectopic over expression of Cbx3 in the injured arteries significantly inhibited Notch3 expression, thereby reducing VSMCs proliferation and causing an overall decrease in neointima formation. Additionally, injury-induced neointimal SMC hyperplasia was significantly reduced by aortic inhibition of Notch3. Importantly, a decreased expression level of Cbx3, but an increased expression level of Notch3, was observed in human femoral arteries with atherosclerotic lesions. Conclusion: Cbx3 modulates VSMC contractile and collagen gene expression, as well as VSMC proliferation, migration, and apoptosis via a Notch3 pathway, and plays an important role in controlling injury-induced neointima formation. PMID- 29206901 TI - GenSSI 2.0: multi-experiment structural identifiability analysis of SBML models. AB - Motivation: Mathematical modeling using ordinary differential equations is used in systems biology to improve the understanding of dynamic biological processes. The parameters of ordinary differential equation models are usually estimated from experimental data. To analyze a priori the uniqueness of the solution of the estimation problem, structural identifiability analysis methods have been developed. Results: We introduce GenSSI 2.0, an advancement of the software toolbox GenSSI (Generating Series for testing Structural Identifiability). GenSSI 2.0 is the first toolbox for structural identifiability analysis to implement Systems Biology Markup Language import, state/parameter transformations and multi experiment structural identifiability analysis. In addition, GenSSI 2.0 supports a range of MATLAB versions and is computationally more efficient than its previous version, enabling the analysis of more complex models. Availability and implementation: GenSSI 2.0 is an open-source MATLAB toolbox and available at https://github.com/genssi-developer/GenSSI. Contact: thomas.ligon@physik.uni muenchen.de or jan.hasenauer@helmholtz-muenchen.de. Supplementary information: Supplementary data are available at Bioinformatics online. PMID- 29206903 TI - Rapid Determination of Pyrrolidinium Cations by Ion-Pair Chromatography With Imidazolium Ionic Liquids. AB - This article describes a pioneering ion-pair chromatography with indirect ultraviolet detection with imidazolium ionic liquids (ILs) as ultraviolet absorption reagent and eluting agent for determination of pyrrolidinium cations. Three pyrrolidinium cations were analyzed on a reversed-phase silica-based monolithic column by isocratic elution with imidazolium ILs-ion-pair reagents methanol mixtures. The effects of the ultraviolet absorption reagents, detection wavelength, ion-pair reagents, imidazolium ILs, organic solvents, column temperature and flow rate on the separation and determination of pyrrolidinium cations were investigated. Under the selected chromatographic conditions, the separation time was reduced to <2.5 min while maintaining excellent peak shapes and sufficient resolution. The detection limits for N-methyl-N-ethylpyrrolidinium cation, N-methyl-N-propylpyrrolidinium cation and N-methyl-N-butylpyrrolidinium cation were 0.12, 0.08 and 0.19 mg/L, respectively. Relative standard deviations for peak area were <0.59%. This simple and practical method has been successfully applied to the determination of three IL samples synthesized by the chemistry laboratory. The method is accurate, reliable and meets the requirements for quantitative analysis. In general, the analytical system and its associated methods appear to be widely applicable to determination of pyrrolidinium cations. PMID- 29206902 TI - Managing Asbestos-Containing Materials in the Built Environment: Report of a Health and Safety Executive and Government Office for Science Workshop. AB - The duty to manage asbestos in non-domestic premises is described in the Control of Asbestos Regulations 2012. Health and Safety Executive (HSE) policy and guidance on asbestos in the built environment in Great Britain is that asbestos containing materials (ACMs) that are in good condition and unlikely to be disturbed can be managed in place. Where ACMs are in poor condition or likely to be disturbed they should be repaired, encapsulated or, if necessary, removed. HSE and Government Office for Science hosted a stakeholder workshop to consider evidence on the management of ACMs in public buildings. Invitees attended from a range of backgrounds (including regulatory, government, academic, medical, public interest groups, and professional service providers). Participants considered the evidence, suggested nine evidence gap areas and ranked these according to preference in an anonymous vote. The top three suggested evidence gaps were: (i) the comparative risks of managing ACMs in place versus removal; (ii) improved measurement techniques at lower fibre concentrations; and (iii) building the evidence base on the effectiveness of asbestos management and safe removal. HSE will use the workshop outputs to inform its research planning. It is anticipated that a number of initiatives for shared research will be explored. PMID- 29206904 TI - The ESMO Precision Medicine Glossary. PMID- 29206906 TI - What is Comprehensive Geriatric Assessment (CGA)? An umbrella review. AB - Background: Comprehensive Geriatric Assessment (CGA) is now the accepted gold standard for caring for frail older people in hospital. However, there is uncertainty about identifying and targeting suitable recipients and which patients benefit the most. Objectives: our objectives were to describe the key elements, principal measures of outcome and the characteristics of the main beneficiaries of inpatient CGA. Methods: we used the Joanna Briggs Institute umbrella review method. We searched for systematic reviews and meta-analyses describing CGA services for hospital inpatients in the Cochrane Database of Systematic Reviews, Database of Reviews of Effectiveness (DARE), MEDLINE and EMBASE and a range of other sources. Results: we screened 1,010 titles and evaluated 419 abstracts for eligibility, 143 full articles for relevance and included 24 in a final quality and relevance check. Thirteen reviews, reported in 15 papers, were selected for review. The most widely used definition of CGA was: 'a multidimensional, multidisciplinary process which identifies medical, social and functional needs, and the development of an integrated/co-ordinated care plan to meet those needs'. Key clinical outcomes included mortality, activities of daily living and dependency. The main beneficiaries were people >=55 years in receipt of acute care. Frailty in CGA recipients and patient related outcomes were not usually reported. Conclusions: we confirm a widely used definition of CGA. Key outcomes are death, disability and institutionalisation. The main beneficiaries in hospital are older people with acute illness. The presence of frailty has not been widely examined as a determinant of CGA outcome. PMID- 29206905 TI - Control of inflammation decreases the need for subsequent esophageal dilation in patients with eosinophilic esophagitis. AB - It is unknown if successful control of esophageal inflammation in eosinophilic esophagitis (EoE) decreases the need for subsequent esophageal dilation. We aimed to determine whether histologic response to topical steroid treatment decreases the likelihood and frequency of subsequent esophageal dilation. We conducted a retrospective cohort study. Patients with an incident diagnosis of EoE were included if they had an initial esophageal dilation, received topical steroids, and had a subsequent endoscopy with biopsies. The number of dilations performed in each group was determined, and histologic responders (<15 eos/hpf) were compared to nonresponders. The 55 EoE patients included (27 responders and 28 nonresponders) underwent a mean of 3.0 dilations over a median follow-up of 19 months. Responders required fewer dilations than nonresponders (1.6 vs. 4.6, P = 0.03), after adjusting for potential confounders. Despite undergoing significantly fewer dilations, responders achieved a similar increase in esophageal diameter with dilation (4.9 vs. 5.0 mm; P = 0.92). In EoE patients undergoing esophageal dilation at baseline, control of inflammation with topical steroids was associated with a 65% decrease in the number of subsequent dilations to maintain the same esophageal caliber. This suggests that inflammation control is an important goal in patients with fibrostenotic changes of EoE. PMID- 29206907 TI - A novel bioactive derivative of eicosapentaenoic acid (EPA) suppresses intestinal tumor development in ApcDelta14/+ mice. AB - Familial adenomatous polyposis (FAP) is a genetic disorder characterized by the development of hundreds of polyps throughout the colon. Without prophylactic colectomy, most individuals with FAP develop colorectal cancer at an early age. Treatment with EPA in the free fatty acid form (EPA-FFA) has been shown to reduce polyp burden in FAP patients. Since high-purity EPA-FFA is subject to rapid oxidation, a stable form of EPA compound has been developed in the form of magnesium l-lysinate bis-eicosapentaenoate (TP-252). We assessed the chemopreventive efficacy of TP-252 on intestinal tumor formation using ApcDelta14/+ mice and compared it with EPA-FFA. TP-252 was supplemented in a modified AIN-93G diet at 1, 2 or 4% and EPA-FFA at 2.5% by weight and administered to mice for 11 weeks. We found that administration of TP-252 significantly reduced tumor number and size in the small intestine and colon in a dose-related manner and as effectively as EPA-FFA. To gain further insight into the cancer protection afforded to the colon, we performed a comprehensive lipidomic analysis of total fatty acid composition and eicosanoid metabolites. Treatment with TP-252 significantly decreased the levels of arachidonic acid (AA) and increased EPA concentrations within the colonic mucosa. Furthermore, a classification and regression tree (CART) analysis revealed that a subset of fatty acids, including EPA and docosahexaenoic acid (DHA), and their downstream metabolites, including PGE3 and 14-hydroxy-docosahexaenoic acid (HDoHE), were strongly associated with antineoplastic activity. These results indicate that TP 252 warrants further clinical development as a potential strategy for delaying colectomy in adolescent FAP patients. PMID- 29206908 TI - Regulatory and Operational Complexities of Conducting a Clinical Treatment Trial During an Ebola Virus Disease Epidemic. AB - The first phase II and III clinical trials for Ebola virus disease treatments were conducted during the West Africa outbreak. We report the operational practicalities of conducting a phase II clinical trial of TKM-130803 to international standards during this outbreak. PMID- 29206909 TI - Seasonal Incidence of Symptomatic Influenza in the United States. AB - Background: The seasonal incidence of influenza is often approximated as 5%-20%. Methods: We used 2 methods to estimate the seasonal incidence of symptomatic influenza in the United States. First, we made a statistical estimate extrapolated from influenza-associated hospitalization rates for 2010-2011 to 2015-2016, collected as part of national surveillance, covering approximately 9% of the United States, and including the existing mix of vaccinated and unvaccinated persons. Second, we performed a literature search and meta-analysis of published manuscripts that followed cohorts of subjects during 1996-2016 to detect laboratory-confirmed symptomatic influenza among unvaccinated persons; we adjusted this result to the US median vaccination coverage and effectiveness during 2010-2016. Results: The statistical estimate of influenza incidence among all ages ranged from 3.0%-11.3% among seasons, with median values of 8.3% (95% confidence interval [CI], 7.3%-9.7%) for all ages, 9.3% (95% CI, 8.2%-11.1%) for children <18 years, and 8.9% (95% CI, 8.2%-9.9%) for adults 18-64 years. Corresponding values for the meta-analysis were 7.1% (95% CI, 6.1%-8.1%) for all ages, 8.7% (95% CI, 6.6%-10.5%) for children, and 5.1% (95% CI, 3.6%-6.6%) for adults. Conclusions: The 2 approaches produced comparable results for children and persons of all ages. The statistical estimates are more versatile and permit estimation of season-to-season variation. During 2010-2016, the incidence of symptomatic influenza among vaccinated and unvaccinated US residents, including both medically attended and nonattended infections, was approximately 8% and varied from 3% to 11% among seasons. PMID- 29206910 TI - State Medicaid Hepatitis C Treatment Eligibility Criteria and Use of Direct Acting Antivirals. AB - Medicaid program criteria for accessing hepatitis C treatment are changing. Medicaid drug utilization data from 2014 to 2016 show that programs that have relaxed their criteria have seen significant increases in treatment utilization, as have states with Medicaid expansions. PMID- 29206911 TI - Libman-Sacks vegetations detected by 3D echocardiography. PMID- 29206912 TI - An evidence-based framework on community-centred approaches for health: England, UK. AB - Community participation is a central concept for health promotion, covering a breadth of approaches, purposes and activities. This paper reports on a national knowledge translation project in England, UK, which resulted in a conceptual framework and typology of community-based approaches, published as national guidance. A key objective was to develop a conceptual framework linked to sources of evidence that could be used to support increased uptake of participatory methods across the health system. It was recognized that legitimacy of community participation was being undermined by a scattered evidence base, absence of a common terminology and low visibility of community practice. A scoping review, combined with stakeholder consultation, was undertaken and 168 review and conceptual publications were identified and a map produced. A 'family of community-centred approaches for health and wellbeing' was then produced as way of organizing the evidence and visually representing the range of intervention types. There are four main groups, with sub-categories: (i) strengthening communities, (ii) volunteer and peer roles, (iii) collaborations and partnerships and (iv) access to community resources. Each group is differentiated using key concepts and theoretical justifications around increasing equity, control and social connectedness. An open access bibliography is available to accompany the framework. The paper discusses the application of the family of community-centred approaches as a flexible planning tool for health promotion practice and its potential to be used as a framework for organizing and synthesizing evidence from a range of participatory methods. PMID- 29206913 TI - Molecular regulation of Nodal signaling during mesendoderm formation. AB - One of the most important events during vertebrate embryogenesis is the formation or specification of the three germ layers, endoderm, mesoderm, and ectoderm. After a series of rapid cleavages, embryos form the mesendoderm and ectoderm during late blastulation and early gastrulation. The mesendoderm then further differentiates into the mesoderm and endoderm. Nodal, a member of the transforming growth factor beta (TGF-beta) superfamily, plays a pivotal role in mesendoderm formation by regulating the expression of a number of critical transcription factors, including Mix-like, GATA, Sox, and Fox. Because the Nodal signal transduction pathway is well-characterized, increasing effort has been made to delineate the spatiotemporal modulation of Nodal signaling during embryonic development. In this review, we summarize the recent progress delineating molecular regulation of Nodal signal intensity and duration during mesendoderm formation. PMID- 29206914 TI - Simultaneous Determination of Vinpocetine and its Major Active Metabolite Apovincaminic Acid in Rats by UPLC-MS/MS and its Application to the Brain Tissue Distribution Study. AB - A specific, rapid and sensitive ultra-performance liquid chromatography-tandem mass spectrometric (UPLC-MS/MS) method was developed for simultaneous determination of vinpocetine (VP) and its active metabolite, apovincaminic acid (AVA) in rat brain regions, such as hypothalamus, striatum, cortex, cerebellum and hippocampus. Phenacetin was used as internal standard (IS). Brain tissue samples were precipitated protein by using 500 MUL methanol. The separation was achieved on a Waters ACQUITY UPLC BEH C18 column (100 mm * 2.1 mm, 1.7 MUm), using a methanol-water gradient elution at the flow rate of 0.20 mL/min. The detection was performed on a triple quadrupole tandem mass spectrometer in multiple reaction monitoring (MRM) mode via positive electrospray ionization source (ESI). The quantification was operated using the transitions of m/z 351 -> m/z 280 for VP, m/z 323 -> m/z 280 for AVA and m/z 180 -> m/z 110 for IS, respectively. The calibration curve was linear in concentration range from 0.100 to 60.0 ng/mL for VP and 0.103 to 6.18 ng/mL for AVA. The intra-day and inter-day precision (relative standard deviation, RSD) values were within 11.8%, the accuracy (relative error, RE) was from -1.7% to 3.0% for VP and 2.7% to 9.5% for AVA at all the three concentration levels of quality-control (QC) samples. The improved UPLC-MS/MS method was specific, rapid and sensitive, which was further successfully applied to simultaneous determination of VP and AVA in different rat brain regions after intragastric administration of 4 mg/kg VP. It was indicated that VP could be eliminated quickly in brain, while the elimination of AVA was slow and it could be maintained for more than 12 h in brain. Moreover, it was found that the contents of VP and AVA were much higher in the hypothalamus, striatum and cortex than those in the cerebellum and hippocampus, which verified the distribution characteristics of VP and AVA in different brain regions from the point of quantitation in rats. PMID- 29206916 TI - Regulation of low-density lipoprotein cholesterol by intestinal inflammation and the acute phase response. AB - Systemic inflammation, induced by disease or experimental intervention, is well established to result in elevated levels of circulating triglycerides, and reduced levels of high-density lipoprotein-cholesterol (HDL-C), in most mammalian species. However, the relationship between inflammation and low-density lipoprotein-cholesterol (LDL-C) concentrations is less clear. Most reports indicate that systemic inflammation, as observed during sepsis or following high dose experimental endotoxaemia, lowers total, and LDL-C in man. However, isolated reports have suggested that certain inflammatory conditions are associated with increased LDL-C. In this review, we summarize the emerging evidence that low grade inflammation specifically of intestinal origin may be associated with increased serum LDL-C levels. Preliminary insights into potential mechanisms that may mediate these effects, including those connecting inflammation to trans intestinal cholesterol efflux (TICE), are considered. We conclude that this evidence supports the potential downregulation of major mediators of TICE by inflammatory mediators in vitro and during intestinal inflammation in vivo. The TICE-inflammation axis therefore merits further study in terms of its potential to regulate serum LDL-C, and as a readily druggable target for hypercholesterolaemia. PMID- 29206915 TI - Phylogenetic Distribution of CMP-Neu5Ac Hydroxylase (CMAH), the Enzyme Synthetizing the Proinflammatory Human Xenoantigen Neu5Gc. AB - The enzyme CMP-N-acetylneuraminic acid hydroxylase (CMAH) is responsible for the synthesis of N-glycolylneuraminic acid (Neu5Gc), a sialic acid present on the cell surface proteins of most deuterostomes. The CMAH gene is thought to be present in most deuterostomes, but it has been inactivated in a number of lineages, including humans. The inability of humans to synthesize Neu5Gc has had several evolutionary and biomedical implications. Remarkably, Neu5Gc is a xenoantigen for humans, and consumption of Neu5Gc-containing foods, such as red meats, may promote inflammation, arthritis, and cancer. Likewise, xenotransplantation of organs producing Neu5Gc can result in inflammation and organ rejection. Therefore, knowing what animal species contain a functional CMAH gene, and are thus capable of endogenous Neu5Gc synthesis, has potentially far reaching implications. In addition to humans, other lineages are known, or suspected, to have lost CMAH; however, to date reports of absent and pseudogenic CMAH genes are restricted to a handful of species. Here, we analyze all available genomic data for nondeuterostomes, and 322 deuterostome genomes, to ascertain the phylogenetic distribution of CMAH. Among nondeuterostomes, we found CMAH homologs in two green algae and a few prokaryotes. Within deuterostomes, putatively functional CMAH homologs are present in 184 of the studied genomes, and a total of 31 independent gene losses/pseudogenization events were inferred. Our work produces a list of animals inferred to be free from endogenous Neu5Gc based on the absence of CMAH homologs and are thus potential candidates for human consumption, xenotransplantation research, and model organisms for investigation of human diseases. PMID- 29206918 TI - Differences in planktonic microbial communities associated with three types of macrophyte stands in a shallow lake. AB - Little is known about how various substances from living and decomposing aquatic macrophytes affect the horizontal patterns of planktonic bacterial communities. Study sites were located within Lake Kolon, which is a freshwater marsh and can be characterised by open-water sites and small ponds with different macrovegetation (Phragmites australis, Nymphea alba and Utricularia vulgaris). Our aim was to reveal the impact of these macrophytes on the composition of the planktonic microbial communities using comparative analysis of environmental parameters, microscopy and pyrosequencing data. Bacterial 16S rRNA gene sequences were dominated by members of phyla Proteobacteria (36%-72%), Bacteroidetes (12% 33%) and Actinobacteria (5%-26%), but in the anoxic sample the ratio of Chlorobi (54%) was also remarkable. In the phytoplankton community, Cryptomonas sp., Dinobryon divergens, Euglena acus and chrysoflagellates had the highest proportion. Despite the similarities in most of the measured environmental parameters, the inner ponds had different bacterial and algal communities, suggesting that the presence and quality of macrophytes directly and indirectly controlled the composition of microbial plankton. PMID- 29206919 TI - Identification and Quantification of Four Anthraquinones in Rhubarb and its Preparations by Gas Chromatography-Mass Spectrometry. AB - A gas chromatographic-mass spectrometric (GC-MS) method was developed for the determination of four anthraquinones found in rhubarb. Chrysophanol, physcion, aloe-emodin and emodin were confirmed by GC-MS and the possible main cleavage pathways of fragment ions are discussed in this study. Rhubarb is a traditional Chinese medicinal herb which required an effective evaluation method to quantitate the four major active anthraquinone compounds described. The determinations of analytes were accomplished by GC-MS using osthole as an internal standard. MS detection was performed in selected ion monitoring mode to increase the sensitivity. The method was evaluated by a number of validation characteristics (precision, limit of detection, calibration range and recovery). The calibration ranges were all 3.2-30.0 MUg/mL. This method was fully validated and showed good performances in terms of recovery (96.9-102.9%) and precision (1.4-2.9%). Finally, the method was applied to the analysis of four anthraquinones in rhubarb and its preparations in the first time. PMID- 29206917 TI - Tunicamycin-induced ER stress in breast cancer cells neither expresses GRP78 on the surface nor secretes it into the media. AB - GRP78 (an Mr 78 kDa calcium dependent glucose binding protein) is located in ER lumen. It functions as ER chaperone and translocates proteins for glycosylation at the asparagine residue present in the sequon Asn-X-Ser/Thr. Paraffin sections from N-glycosylation inhibitor tunicamycin treated ER-/PR-/HER2+ (double negative) breast tumor in athymic nude mice exhibited reduced N-glycan but increased GRP78 expression. We have evaluated the effect of tunicamycin on cellular localization of GRP78 in metastatic human breast cancer cells MDA-MB-231 (ER-/PR-/HER2-). Tunicamycin inhibited cell proliferation in a time and dose dependent manner. Nonmetastatic estrogen receptor positive (ER+) MCF-7 breast cancer cells were also equally effective. GRP78 expression (protein and mRNA) was higher in tunicamycin (1.0 MUg/mL) treated MCF-7 and MDA-MB-231 cells. GRP78 is an ER stress marker, so we have followed its intracellular localization using immunofluorescence microscopy after subjecting the cancer cells to various stress conditions. Unfixed cells stained with either FITC-conjugated Concanavalin A (Con A) or Texas-red conjugated wheat germ agglutinin (WGA) exhibited surface expression of N-glycans but not GRP78. GRP78 became detectable only after a brief exposure of cells to ice-cold methanol. Western blotting did not detect GRP78 in conditioned media of cancer cells whereas it did for MMP-1. The conclusion, GRP78 is expressed neither on the outer-leaflet of the (ER-/PR-/HER2-) human breast cancer cells nor it is secreted into the culture media during tunicamycin-induced ER stress. Our study therefore suggests strongly that anti-tumorigenic action of tunicamycin can be modeled to develop next generation cancer therapy, i.e., glycotherapy for treating breast and other sold tumors. PMID- 29206920 TI - Evaluation of hospital readmissions for surgical site infections in Italy. AB - Background: The objectives of this investigation are to assess the prevalence of hospital readmissions for surgical site infections (SSIs) in patients aged >=18 in Italy and to describe the clinical characteristics of these patients and evaluate the possible association with readmission for SSIs. Methods: A retrospective epidemiological study was conducted between January and May 2015 considering a sample of patients aged >=18 years admitted to the surgical wards of two hospitals in Naples and undergoing surgery in the year 2014. Results: 3.8% of patients had been readmitted and 28.8% of them were readmitted to hospital due to SSIs. The multiple logistic regression model showed that readmissions for SSIs were significantly more common in smokers (odds ratio [OR] = 3.14; 95% confidence interval [CI] = 1.13-8.69), in patients with immunosuppression status (OR = 8.28; 95% CI = 1.76-38.87), in patients with low serum albumin (OR = 3.07; 95% CI = 1.05-9.01) and in patients who had undergone a surgical procedure classified as contaminated (OR = 10:44; 95% CI = 3.11-35.01) compared with those that had undergone a surgical procedure classified as clean. Conclusions: The results point to the need that hospital infection prevention strategies are implemented in order to reduce morbidity and mortality for patients. Moreover, the measures taken to prevent infections would lead to a reduction in health spending since almost one third of readmissions to the hospital in our study were due to SSIs. PMID- 29206922 TI - PIE: A prior knowledge guided integrated likelihood estimation method for bias reduction in association studies using electronic health records data. AB - Objectives: This study proposes a novel Prior knowledge guided Integrated likelihood Estimation (PIE) method to correct bias in estimations of associations due to misclassification of electronic health record (EHR)-derived binary phenotypes, and evaluates the performance of the proposed method by comparing it to 2 methods in common practice. Methods: We conducted simulation studies and data analysis of real EHR-derived data on diabetes from Kaiser Permanente Washington to compare the estimation bias of associations using the proposed method, the method ignoring phenotyping errors, the maximum likelihood method with misspecified sensitivity and specificity, and the maximum likelihood method with correctly specified sensitivity and specificity (gold standard). The proposed method effectively leverages available information on phenotyping accuracy to construct a prior distribution for sensitivity and specificity, and incorporates this prior information through the integrated likelihood for bias reduction. Results: Our simulation studies and real data application demonstrated that the proposed method effectively reduces the estimation bias compared to the 2 current methods. It performed almost as well as the gold standard method when the prior had highest density around true sensitivity and specificity. The analysis of EHR data from Kaiser Permanente Washington showed that the estimated associations from PIE were very close to the estimates from the gold standard method and reduced bias by 60%-100% compared to the 2 commonly used methods in current practice for EHR data. Conclusions: This study demonstrates that the proposed method can effectively reduce estimation bias caused by imperfect phenotyping in EHR-derived data by incorporating prior information through integrated likelihood. PMID- 29206921 TI - Acute Effects of Methylphenidate, Modafinil, and MDMA on Negative Emotion Processing. AB - Background: Stimulants such as methylphenidate and modafinil are frequently used as cognitive enhancers in healthy people, whereas 3,4 methylenedioxymethamphetamine (ecstasy) is proposed to enhance mood and empathy in healthy subjects. However, comparative data on the effects of methylphenidate and modafinil on negative emotions in healthy subjects have been partially missing. The aim of this study was to compare the acute effects of methylphenidate and modafinil on the neural correlates of fearful face processing using 3,4-methylenedioxymethamphetamine as a positive control. Methods: Using a double-blind, within-subject, placebo-controlled, cross-over design, 60 mg methylphenidate, 600 mg modafinil, and 125 mg 3,4-methylenedioxymethamphetamine were administrated to 22 healthy subjects while performing an event-related fMRI task to assess brain activation in response to fearful faces. Negative mood states were assessed with the State-Trait Anxiety Inventory and subjective ratings. Results: Relative to placebo, modafinil, but not methylphenidate or 3,4 methylenedioxymethamphetamine, increased brain activation within a limbic cortical-striatal-pallidal-thalamic circuit during fearful face processing. Modafinil but not methylphenidate also increased amygdala responses to fearful faces compared with 3,4-methylenedioxymethamphetamine. Furthermore, activation in the middle and inferior frontal gyrus in response to fearful faces correlated positively with subjective feelings of fearfulness and depressiveness after modafinil administration. Conclusions: Despite the cognitive enhancement effects of 600 mg modafinil in healthy people, potential adverse effects on emotion processing should be considered. PMID- 29206924 TI - Predicting Australia's university students' mental health status. AB - University years are a period of increased morbidity and mortality, associated with negative health behaviours and corresponding poor mental health (MH) status amongst students. With this said, the aim of this research was to determine the level of influence a number of predictive factors have on Australia's university students' MH status. A cross-sectional study design, consisting of an online survey was implemented. Psychometric measurement components were based on adopting Bronfenbrenner's socio-ecological model approach to collecting descriptive statistics. This approach was concerned with investigating patterns of association between three predictive factors [social emotional wellbeing (SEWB), physical activity (PA) levels and sporting club (SC) involvement], against four domains (personal, university, home and community). This study identified that 25% (n = 571) of participants (n = 2326) indicated that they have been diagnosed with a MH disorder. Specifically, gender, age, negative health behaviours, lower levels of PA and SC involvement and poor SEWB, were found to be significantly and positively associated (p < 0.05*, p < 0.01**) with a MH diagnosis. Importantly, findings from this study indicate that there are significant (positive/negative) associations between the identified predictive factors and participants' MH status. Findings from this study will go towards informing current and future Student Health Service policies, practices and infrastructure allocation that address MH status amongst university students. PMID- 29206925 TI - Exploring fish microbial communities to mitigate emerging diseases in aquaculture. AB - Aquaculture is the fastest growing animal food sector worldwide and expected to further increase to feed the growing human population. However, existing and (re )emerging diseases are hampering fish and shellfish cultivation and yield. For many diseases, vaccination protocols are not in place and the excessive use of antibiotics and other chemicals is of substantial concern. A more sustainable disease control strategy to protect fish and shellfish from (re-)emerging diseases could be achieved by introduction or augmentation of beneficial microbes. To establish and maintain a 'healthy' fish microbiome, a fundamental understanding of the diversity and temporal-spatial dynamics of fish-associated microbial communities and their impact on growth and health of their aquatic hosts is required. This review describes insights in the diversity and functions of the fish bacterial communities elucidated with next-generation sequencing and discusses the potential of the microbes to mitigate (re-)emerging diseases in aquaculture. PMID- 29206923 TI - Vascular abnormalities in the placenta of Chst14-/- fetuses: implications in the pathophysiology of perinatal lethality of the murine model and vascular lesions in human CHST14/D4ST1 deficiency. AB - Collagen is one of the most important components of the extracellular matrix that is involved in the strength of tissues, cell adhesion and cell proliferation. Mutations in several collagen and post-translational modification enzyme genes cause Ehlers-Danlos syndrome (EDS) characterized by joint and skin hyperextensibility as well as fragility of various organs. Carbohydrate sulfotransferase 14/dermatan 4-O-sulfotransferase-1 (CHST14/D4ST1) is a critical enzyme for biosynthesis of dermatan sulfate, a side chain of various proteoglycans including biglycan that regulates collagen fibrils through their interaction. Mutations in CHST14 were found to cause a new form of EDS, named musculocontractural type EDS (mcEDS-CHST14). Large subcutaneous hematomas are one of the most serious complications accompanied by decreased quality of life and potential lethality. In this study, Chst14 gene-deleted mice were expected to be an animal model of the vascular abnormalities of mcEDS-CHST14. However, only limited numbers of adult mice were generated because of perinatal lethality in most Chst14 gene-deleted homozygote (Chst14-/-) mice. Therefore, we investigated the placentas of these fetuses. The placentas of Chst14-/- fetuses showed a reduced weight, alterations in the vascular structure, and ischemic and/or necrotic-like changes. Electron microscopy demonstrated an abnormal structure of the basement membrane of capillaries in the placental villus. These findings suggest that Chst14 is essential for placental vascular development and perinatal survival of fetuses. Furthermore, placentas of Chst14-/- fetuses could be a useful model for vascular manifestations in mcEDS-CHST14, such as the large subcutaneous hematomas. PMID- 29206926 TI - Impact of cleaner fuel use and improved stoves on acute respiratory infections: evidence from India. AB - Background: The use of cleaner fuel and improved stoves has been promoted as a means to lower harmful emissions from solid fuels. However, little is known about how exclusive use of cleaner fuels, mixed fuel use and improved stoves influences children's health. Methods: We compared the impact of using liquefied petroleum gas (LPG) exclusively with mixed fuel use (LPG plus polluting fuels) and with exclusive use of polluting fuels on acute respiratory infections (ARI) among 16 157 children 0-4 years of age from households in the 2012 Indian Human Development Survey. Inverse probability weighting (IPW) procedures for multiple treatments were used for this evaluation. Results: Children from households using LPG had a 5.0% lower probability of reporting ARI relative to exclusive users of polluting fuels, with larger effects (10.7%) in rural households. The probability of ARI in households using improved stoves and mixed fuel use was also lower in rural households, by 2.9% and 2.8%, respectively. The magnitude of effect varied across population subgroups, with the highest effects for children living in households living in kachha (low quality material) houses households identified as poor. Conclusion: Use of LPG and improved stoves lowered the probability of ARI among children younger than 5 years. PMID- 29206927 TI - Conservation Genetics of Two Highly Endangered and Poorly Known Species of Zamia (Zamiaceae: Cycadales) in Colombia. AB - Genetic diversity is key in providing the variation needed to face stochastic change. Increased habitat loss alters population size and dynamics posing serious threats to the conservation of wild species. Colombia has undergone massive deforestation over the last century, but harbors extraordinary high species diversity of genus Zamia (Cycadales); however, most of the species are under threat. In this study, we targeted the largest accessible remaining populations of 2 closely related species growing as endemics in the Magdalena Valley region of Colombia. We successfully transferred the SSR loci used in previous Zamia studies to these species. In total, we amplified 13 microsatellite loci in 3 wild populations, aiming at: 1) assessing genetic diversity and 2) understanding if the structure found between the 3 populations reflected species and population boundaries due to ecological and historical genetic isolation. We found that the actual population size does not reflect population genetic diversity with a small population (Perales) harboring the highest genetic diversity. In addition, all populations are highly structured regardless of species containment, all showing signs of genetic isolation. Given the high degree of ecological threat, and the inherent biological traits of Cycads, we provide information regarding the prioritization of populations for ex situ management. PMID- 29206929 TI - The need for appropriate use criteria: the proof of the pudding. PMID- 29206928 TI - Confounding by ill health in the observed association between BMI and mortality: evidence from the HUNT Study using offspring BMI as an instrument. AB - Background: The observational association between mortality and body mass index (BMI) is U-shaped, leading to highly publicized suggestions that moderate overweight is beneficial to health. However, it is unclear whether elevated mortality is caused by low BMI or if the association is confounded, for example by concurrent ill health. Methods: Using HUNT, a Norwegian prospective study, 32 452 mother-offspring and 27 747 father-offspring pairs were followed up to 2009. Conventional hazard ratios for parental mortality per standard deviation of BMI were estimated using Cox regression adjusted for behavioural and socioeconomic factors. To estimate hazard ratios with reduced susceptibility to confounding, particularly from concurrent ill health, the BMI of parents' offspring was used as an instrumental variable for parents' own BMI. The shape of mortality-BMI associations was assessed using cubic splines. Results: There were 18 365 parental deaths during follow-up. Conventional associations of mortality from all causes, cardiovascular disease and cancer with parents' own BMI were substantially nonlinear, with elevated mortality at both extremes and minima at 21-25 kg m-2. Equivalent associations with offspring BMI were positive and there was no evidence of elevated parental mortality at low offspring BMI. The linear instrumental variable hazard ratio for all-cause mortality per standard deviation increase in BMI was 1.18 (95% confidence interval: 1.10, 1.26), compared with 1.05 (1.03, 1.06) in the conventional analysis. Conclusions: Elevated mortality rates at high BMI appear causal, whereas excess mortality at low BMI is likely exaggerated by confounding by factors including concurrent ill health. Conventional studies probably underestimate the adverse population health consequences of overweight. PMID- 29206930 TI - Exploring an Ancient Event in Pumpkin, Gourd, and Melon Evolution. PMID- 29206931 TI - Scientists Find Evidence Our Best Friends, Dogs, Similarly Adapted to Malaria in Africa. PMID- 29206933 TI - Scientists Bring New Insights into the Heritability of HIV Infection Severity. PMID- 29206932 TI - Novel oral anticoagulants in patients with chronic kidney disease and atrial fibrillation. AB - Atrial fibrillation (AF) is the most frequent arrhythmia in common clinical practice and its prevalence is markedly increased among patients with chronic kidney disease (CKD). The presence of CKD increases the incidence of AF and vice versa. Both AF and CKD increase the risk of stroke or systemic thromboembolism and oral anticoagulation is the mainstay for thromboembolic event prevention in patients with AF. Novel oral anticoagulants (NOACs) are nowadays often used in patients with AF and CKD, but they display a variable degree of renal elimination and the risk of accumulation and bleeding increases among patients with CKD in particular as kidney disease progresses. While recent data have demonstrated that patients with Stage 3 CKD benefit even more from oral anticoagulation therapies in comparison with patients with normal renal function, relatively little is known about the best choice of anticoagulation in patients with advanced and, in particular, end-stage renal disease, as these patients were excluded from all pivotal Phase 3 NOACs trials. This review summarizes current knowledge on the efficacy and safety of these agents in individuals with CKD and provides CKD stage-specific recommendations. PMID- 29206934 TI - Enzymatic Functional Assays of Coagulation Using Small Sample Volumes. AB - Current laboratory methods for comprehensive thrombophilia status require large blood volumes and long turn-around times. We demonstrate the feasibility of performing thrombophilia panel testing of enzymatic functional assays on a microfluidic cartridge using low sample volume.Functional assays for Antithrombin III, Protein C, Factor VIII, and plasminogen were adapted on the digital microfluidic platform by developing novel fluorogenic substrates and establishing on-cartridge fluorescence (360/460 nm) detection. Cartridge vs. microtiter plate results were compared using samples obtained from pediatric patients. Linear regression and Bland-Altman plots were used to establish correlations. Results were not significantly different when performed on-cartridge compared to microtiter plates. Importantly, the sample volume required is significantly lower for all on-cartridge compared to microtiter plate assays (25 MUL vs. 2 ml).This study demonstrates the feasibility of thrombophilia panel testing with high fidelity using small plasma volume. The efficacy of this near-patient technology in clinical settings needs further investigation. PMID- 29206935 TI - Report of a Myocarditis Outbreak among Pediatric Patients: Human Herpesvirus 7 as a Causative Agent? AB - Background: The etiology of myocarditis in children has not yet been completely elucidated. Objective: Medical records of eight pediatric patients diagnosed with acute myocarditis within a 41-day period in a small-town hospital were retrospectively analyzed. Methods: We examined antibody titers of adenovirus, Epstein-Barr virus, herpes simplex virus, respiratory syncytial virus, varicella zoster virus and cytomegalovirus in peripheral blood. We used polymerase chain reaction (PCR) amplification to detect genetic sequences from Human herpesvirus (HHV) 7, HHV 6, enterovirus, measles or parvovirus in peripheral blood. Results: The causative agent was HHV 7 in four patients. HHV 7 sequences were detected through PCR in one patient with rapid deterioration. Of four patients with HHV 7, two presented with dilated cardiomyopathy. Conclusion: To our knowledge, this is the first report to suggest HHV 7 as a causative agent for acute myocarditis. We believe HHV 7 should be considered as a possible etiologic pathogen for patients with suspected myocarditis. PMID- 29206936 TI - Birthweight of singletons born after cleavage-stage or blastocyst transfer in fresh and warming cycles. AB - STUDY QUESTION: Does extended culture to the blastocyst stage affect singleton birthweight after either fresh or vitrified-warmed embryo transfer? SUMMARY ANSWER: Singleton birthweight z-scores did not vary significantly after a fresh blastocyst transfer, whereas the additional effect of vitrification remains inconclusive. WHAT IS KNOWN ALREADY: Observational studies have associated extended culture with an increased risk of preterm birth and low birthweight. On the contrary, in terms of birthweight and gestational age, singletons born after vitrification have been associated with a better perinatal outcome when compared to those born following a fresh transfer. STUDY DESIGN, SIZE, DURATION: Our post hoc cohort analysis on neonatal outcomes included 447 liveborn singletons was derived from a recent retrospective analysis on cumulative live birth rates after cleavage-stage and blastocyst transfers. These babies were born following a fresh single cleavage-stage transfer (FCT Day 3, n = 113), fresh single blastocyst transfer (FBT Day 5, n = 218), vitrified-warmed cleavage-stage transfer (VCT Day 3, n = 58) or vitrified-warmed blastocyst transfer (VBT Day 5, n = 58). PARTICIPANTS/MATERIALS, SETTING, METHODS: Singleton birthweight was the primary outcome measure. Gestational age and gender of the newborn were accounted for by using birthweight z-scores in a multivariable linear regression analysis, adjusting for other confounders (maternal age, BMI, parity and smoking behaviour). Vanishing twins were excluded from the analysis. MAIN RESULTS AND THE ROLE OF CHANCE: A significantly lower z-score was observed after blastocyst transfer compared to cleavage-stage transfer in the vitrified-warmed Day 5 group (P = 0.013), a difference not observed in the fresh transfer groups (P = 0.32). Following multivariable regression analysis [adjusted regression coefficient (95% confidence interval)], the FCT and FBT groups showed no significant influence on the birthweight z-scores after fresh transfer [-0.19 (-0.44; 0.05)], but the transfer of vitrified blastocysts (VBT) was associated with a lower birthweight [ 0.52 (-0.90; -0.15)] compared with the transfer of vitrified cleavage-stage embryos (VCT). LIMITATIONS, REASONS FOR CAUTION: The present cohort was relatively small, especially in the vitrified-warmed subgroups. Pregnancy associated factors possibly influencing birthweight (such as diabetes, hypertension, pre-eclampsia) were also not accounted for in the analysis. WIDER IMPLICATIONS OF THE FINDINGS: Different ART procedures, including extended culture and vitrification, may hold potential safety issues. These results require further confirmation in future larger studies. STUDY FUNDING/COMPETING INTEREST(S): None. TRIAL REGISTRATION NUMBER: N/A. PMID- 29206937 TI - Functional impact of microRNA regulation in models of extreme stress adaptation. AB - When confronted with severe environmental stress, some animals are able to undergo a substantial reorganization of their cellular environment that enables long-term survival. One molecular mechanism of adaptation that has received considerable attention in recent years has been the action of reversible transcriptome regulation by microRNA. The implementation of new computational and high-throughput experimental approaches has started to uncover the vital contributions of microRNA towards stress adaptation. Indeed, recent studies have suggested that microRNA may have a major regulatory influence over a number of cellular processes that are essential to prolonged environmental stress survival. To date, a number of studies have highlighted the role of microRNA in the regulation of a metabolically depressed state, documenting stress-responsive microRNA expression during mammalian hibernation, frog and insect freeze tolerance, and turtle and marine snail anoxia tolerance. These studies collectively indicate a conserved principle of microRNA stress response across phylogeny. As we are on the verge of dissecting the role of microRNA in environmental stress adaptation, this review summarizes recent research advances and the hallmark expression patterns that facilitate stress survival. PMID- 29206938 TI - Misidentification of Acinetobacter baumannii as Alcaligenes faecalis by VITEK 2 System; Case Report. AB - Acinetobacter baumannii (A. baumannii) is widely known as an opportunistic bacterial pathogen that causes infection more frequently among immunocompromised individuals. Our case demonstrated the limitation of the current VITEK 2 system for the idendification of A. baumannii. Four clinical isolates of A. baumannii were identified as Alcaligenes faecalis by the VITEK 2 system. Misidentification might lead to unnecessary tests and inappropriate treatments. Additional methods appear to be helpful for the accurate identification of A. baumannii for clinical microbiology laboratories. PMID- 29206940 TI - Neurons in the Human Left Amygdala Automatically Encode Subjective Value Irrespective of Task. AB - The amygdala plays an important role in the computation of internal reward signals. In animals it has been shown to enable a stimulus to indicate the current value of a reinforcer. However, the exact nature of the current value representations in humans remains unknown. Specifically, do neurons of the human amygdala represent current value signals only in tasks requiring valuation? We recorded from 406 neurons in the amygdala, orbitofrontal cortex, parahippocampal cortex, entorhinal cortex, and hippocampus of 6 neurosurgical patients while subjects repeatedly viewed 40 different pictures of sweet or salty "junk food" items in 2 different tasks. Neural activity during stimulus inspection in a valuation task reflected food preferences in the amygdala, orbitofrontal cortex, hippocampus, and entorhinal cortex. Notably, only left amygdala activity represented these food preferences even in a sweet-salty classification task. Valuation signals of the left amygdala thus appear to be stimulus-, not-task driven. PMID- 29206939 TI - Paradoxical roles of TGF-beta signaling in suppressing and promoting squamous cell carcinoma. AB - Transforming growth factor beta (TGF-beta) signaling either promotes or inhibits tumor formation and/or progression of many cancer types including squamous cell carcinoma (SCC). Canonical TGF-beta signaling is mediated by a number of downstream proteins including Smad family proteins. Alterations in either TGF beta or Smad signaling can impact cancer. For instance, defects in TGF-beta type I and type II receptors (TGF-betaRI and TGF-betaRII) and in Smad2/3/4 could promote tumor development. Conversely, increased TGF-beta1 and activated TGF betaRI and Smad3 have all been shown to have tumor-promoting effects in experimental systems of human and mouse SCCs. Among TGF-beta/Smad signaling, only TGF-betaRII or Smad4 deletion in mouse epithelium causes spontaneous SCC in the mouse model, highlighting the critical roles of TGF-betaRII and Smad4 in tumor suppression. Herein, we review the dual roles of the TGF-beta/Smad signaling pathway and related mechanisms in SCC, highlighting the potential benefits and challenges of TGF-beta/Smad-targeted therapies. PMID- 29206941 TI - Factors Associated with Bottle Feeding in Namibia: Findings from Namibia 2013 Demographic and Health Survey. AB - Aim: The aim of this study is to examine the prevalence of bottle feeding (BF) among children aged 0-23 months and factors associated with BF in Namibia. Methods: Data from Namibia 2013 Demographic Health Survey were used for the study. The study covered last-born alive children aged 0-23 months, making up 1926 mother-baby pairs. Chi-square tests and binary logistic regression were used to test for association between BF and related factors. Results: Prevalence of BF in Namibia was 35.7%. In the multivariate analysis, the following factors were significantly associated with increased risk of BF: working mothers, hospital delivery, increasing child age, higher mother's educational status, higher wealth quintile and urban residence. Conclusion: To achieve a substantial decrease in bottle usage rate in Namibia, breastfeeding promotion programmes should target all mothers but especially those at risk of BF highlighted in the study. PMID- 29206942 TI - Understanding decision-making in cardiac imaging: determinants of appropriate use. AB - Aims: Appropriate Use Criteria (AUC) for echocardiography were developed in 2007 to facilitate decision-making, reduce variability in test utilization, and encourage rational use of imaging. However, there is little evidence that the AUC have favourably influenced ordering behaviour. This study explores the factors that contribute to clinicians requesting echocardiograms with a focus on appropriate use. Methods and results: Semi-structured face-to-face interviews with cardiologists and non-cardiologists who had requested echocardiograms were conducted at an Australian tertiary hospital. The interview guide included hypothetical clinical scenarios to better understand decision-making in ordering echocardiograms and the actions they could take when receiving test reports. Interviews underwent thematic analysis. Seventeen clinicians were interviewed, ten of whom were cardiologists. All participants ordered echocardiograms to support their clinical decision-making. Awareness of the AUC was low. The categorization of tests as 'appropriate' or 'inappropriate' was considered ineffective as it failed to reflect the decision-making process. The decision to request echocardiograms was influenced by a number of personal and systemic factors as well as guidelines and protocols. Training and experience, patients' expectations, and management of uncertainty were key personal factors. Systemic factors involved the accessibility of services and health insurance status of the patient. Conclusion: Factors that influenced the ordering of echocardiograms by clinicians at a tertiary care hospital did not appear to be amenable to control with AUC. Alternative approaches may be more effective than the AUC in addressing the overuse of echocardiography. PMID- 29206943 TI - Time to redefine endometriosis including its pro-fibrotic nature. AB - Endometriosis is currently defined as presence of endometrial epithelial and stromal cells at ectopic sites. This simple and straightforward definition has served us well since its original introduction. However, with advances in disease knowledge, endometrial stromal and glands have been shown to represent only a minor component of endometriotic lesions and they are often absent in some disease forms. In rectovaginal nodules, the glandular epithelium is often not surrounded by stroma and frequently no epithelium can be identified in the wall of ovarian endometriomas. On the other hand, a smooth muscle component and fibrosis represent consistent features of all disease forms. Based on these observations, we believe that the definition of endometriosis should be reconsidered and reworded as 'A fibrotic condition in which endometrial stroma and epithelium can be identified'. The main reasons for this change are: (1) to foster the evaluation of fibrosis in studies on endometriosis pathogenesis using animal models; (2) to limit potential false negative diagnoses if pathologists stick stringently to the current definition of endometriosis requiring the demonstration of endometrial stromal and glands; (3) to consider fibrosis as a potential target for treatment in endometriosis. This opinion article is aimed at boosting the attention paid to a largely neglected aspect of the disease. We hope that targeting the fibrotic process might increase success in developing new therapeutic approaches. PMID- 29206944 TI - The direct and indirect effects of kisspeptin-54 on granulosa lutein cell function. AB - STUDY QUESTION: What are the in vivo and in vitro actions of kisspeptin-54 on the expression of genes involved in ovarian reproductive function, steroidogenesis and ovarian hyperstimulation syndrome (OHSS) in granulosa lutein (GL) cells when compared with traditional triggers of oocyte maturation? SUMMARY ANSWER: The use of kisspeptin-54 as an oocyte maturation trigger augmented expression of genes involved in ovarian steroidogenesis in human GL cells including, FSH receptor (FSHR), LH/hCG receptor (LHCGR), steroid acute regulatory protein (STAR), aromatase, estrogen receptors alpha and beta (ESR1, ESR2), 3-beta-hydroxysteroid dehydrogenase type 2 (3BHSD2) and inhibin A (INHBA), when compared to traditional maturation triggers, but did not alter markers of OHSS. WHAT IS KNOWN ALREADY: hCG is the most widely used trigger of oocyte maturation, but is associated with an increased risk of OHSS. The use of GnRH agonists to trigger oocyte maturation is a safer alternative to hCG. More recently, kisspeptin-54 has emerged as a novel therapeutic option that safely triggers oocyte maturation even in women at high risk of OHSS. Kisspeptin indirectly stimulates gonadotropin secretion by acting on hypothalamic GnRH neurons. Kisspeptin and its receptor are also expressed in the human ovary, but there is limited data on the direct action of kisspeptin on the ovary. STUDY DESIGN SIZE, DURATION: Forty-eight women undergoing IVF treatment for infertility consented to kisspeptin-54 triggering and/or granulosa cell collection and were included in the study. Twelve women received hCG, 12 received GnRH agonist and 24 received kisspeptin-54 to trigger oocyte maturation. In the kisspeptin-54 group, 12 received one injection of kisseptin-54 (9.6 nmol/kg) and 12 received two injections of kisspeptin-54 at a 10 h interval (9.6 nmol/kg * 2). PARTICIPANTS/MATERIALS, SETTING, METHODS: Follicular fluid was aspirated and pooled from follicles during the retrieval of oocytes for IVF/ICSI. GL cells were isolated and either RNA extracted immediately or cultured in vitro +/- kisspeptin or hCG. MAIN RESULTS AND THE ROLE OF CHANCE: GL cells from women who had received kisspeptin-54 had a 14-fold and 8-fold higher gene expression of FSHR and a 2-fold (ns) and 2.5-fold (P < 0.05) higher expression of LHCGR than GL cells from women who had received hCG or GnRH agonist, respectively. CYP19A1 expression was 3.6-fold (P < 0.05) and 4.5-fold (P < 0.05) higher, STAR expression was 3.4-fold (P < 0.01) and 1.8-fold (P < 0.05) higher, HSD3B2 expression was 7.5- (P < 0.01) and 2.5-fold higher (P < 0.05), INHBA was 2.5-fold (P < 0.01) and 2.5-fold (P < 0.01) higher in GL cells from women who had received kisspeptin-54 than hCG or GnRHa, respectively. ESR1 (P < 0.05) and ESR2 (P < 0.05) both showed 3-fold higher expression in cells from kisspeptin treated than GnRHa treated women. Markers of vascular permeability and oocyte growth factors were unchanged (VEGFA, SERPINF1, CDH5, amphiregulin, epiregulin). Gene expression of kisspeptin receptor was unchanged. Whereas treating GL cells in vitro with hCG induced steroidogenic gene expression, kisspeptin-54 had no significant direct effects on either OHSS genes or steroidogenic genes. LIMITATIONS REASONS FOR CAUTION: Most women in the study had PCOS, which may limit applicability to other patient groups. For the analysis of the in vitro effects of kisspeptin-54, it is important to note that GL cells had already been exposed in vivo to an alternate maturation trigger. WIDER IMPLICATIONS OF THE FINDINGS: The profile of serum gonadotropins seen with kisspeptin administration compared to other triggers more closely resemble that of the natural cycle as compared with hCG. Thus, kisspeptin could potentially permit an ovarian environment augmented for steroidogenesis, in particular progesterone synthesis, which is required for embryo implantation. STUDY FUNDING/COMPETING INTEREST(S): Dr Owens is supported by an Imperial College London PhD Scholarship. Dr Abbara is supported by an National Institute of Health Research Academic Clinical Lectureship. The authors do not have any conflict of interest to declare. TRIAL REGISTRATION NUMBER: ClinicalTrials.gov NCT01667406. PMID- 29206945 TI - Exploring practices and perceptions of alcohol use during pregnancy in England and Sweden through a cross-cultural lens. AB - Background: Qualitative studies have aimed to understand why some women continue to drink during pregnancy; however, there is a lack of comparative cross-cultural research. We aimed to explore perceptions and practices of alcohol use during pregnancy in England and Sweden. Methods: Semi-structured interviews were conducted with 21 parents in Merseyside, England and 22 parents in Orebro County, Sweden. Interviews were audio recorded, transcribed verbatim and translated. Data were analyzed using thematic analysis. Results: The majority of women in both countries abstained from alcohol when they found out they were pregnant, despite alcohol being part of many social contexts before pregnancy. Nine of the seventeen English women drank at some point during pregnancy, typically on special occasions. Most parents felt women should modify their alcohol intake when they become mothers, though several English parents argued that responsible motherhood did not necessarily equate to abstinence. Swedish parents held strong opinions against drinking during pregnancy and argued that any amount of alcohol could harm the foetus. English parents' opinions were divided; some were skeptical of whether low to moderate drinking was associated with risks. Conclusions: Practices and attitudes towards alcohol use during pregnancy and views on foetal rights and responsibilities of pregnant women differed in England and Sweden. Shared social norms around drinking may be shaped within the policy context of pregnancy drinking guidelines, determining whether women consume alcohol or not. PMID- 29206946 TI - Meaning Reconstruction among Women following Stillbirth: A Loss Fraught with Ambiguity and Doubt. AB - Stillbirth (SB), death of a fetus in late stages of pregnancy or during birth, usually leads to extended and intense grief among women. However, their grief is often disenfranchised and they are denied the social right to mourn their loss. Constructivist theories recently assuming a central place in bereavement studies inform this article, which aims to identify the meaning that women who experience SB ascribe to their loss in general and to the lost figure. This tack may offer the opportunity to examine the consequences of the discrepancy between personal and environmental constructions of this loss on its personal construction and to learn about the essence of the loss. Within the domain of qualitative research, the current article draws on phenomenology and the research method that has emerged from this approach. Specifically, the article focuses on in-depth interviews with 10 women who experienced SB. Its findings suggest that for these women, the lost figure and the loss in general engender ambiguity both internally that is, within the psyche of women themselves-and externally, within the women's social environment. Thus, ambiguity, uncertainty, and doubt infused women's experience of SB. Implications for theory and practice are discussed. PMID- 29206947 TI - Academic Disruption and Substance Use Disorders: University-Based Treatment Facilities. PMID- 29206948 TI - Leadership, Literacy, and Translational Expertise in Genomics: Challenges and Opportunities for Social Work. AB - The transdisciplinary field of genomics is revolutionizing conceptualizations of health, mental health, family formation, and public policy. Many professions must rapidly acquire genomic expertise to maintain state-of-the-art knowledge in their practice. Calls for social workers to build genomic capacity come regularly, yet social work education has not prepared practitioners to join the genomics workforce in providing socially just, ethically informed care to all clients, particularly those from vulnerable and marginalized groups. The authors suggest a set of action steps for bringing social work skills and practice into the 21st century. They propose that good genomic practice entails bringing social work values, skills, and behaviors to genomics. With education and training, social workers may facilitate socially just dissemination of genomic knowledge and services across practice domains. Increased genomic literacy will support the profession's mission to address disparities in health, health care access, and mortality. PMID- 29206949 TI - The Subjective Experiences of Attention-Deficit/Hyperactivity Disorder of Chinese Families in Hong Kong: Co-Construction of Meanings in Multiple Family Groups. AB - The subjective experiences of Chinese children in Hong Kong with attention deficit/hyperactivity disorder (ADHD) are underexplored. This article reports the results of a qualitative study that aims to understand the subjective experiences of children with ADHD in Hong Kong, taken from among a clinical sample of Chinese families with children struggling with ADHD who have participated in cross disciplinary research of multiple family groups (MFG). The participating children revealed the subjective experiences of their struggle with the disorder in response to their parents' concern at a "press conference," one of the MFG activities, which underscored the importance of developing a new social work model to meet the multiple psychosocial service needs of these families. The article concludes with the discussion of the implications for the new model. PMID- 29206950 TI - Formal and Informal Neighborhood Social Organization: Which Promotes Better Resident Health? AB - Neighborhood social organization captures how neighborhood residents differently organize to exert social control and enact their vision of their community. Whereas structural aspects of neighborhoods have been found to predict the health of neighborhood residents, we know less about whether neighborhood social characteristics, like social organization, matter for resident health. In their study, authors tested whether two types of social organization-formal and informal-were more predictive of resident self-rated health in a diverse sample of Chicago residents. They used multilevel models with survey weights, ordered dependent variables, and multiple imputation. They found that one measure of formal social organization, organizational participation, was significantly associated with self-rated health even when controlling for other types of social organization and individual participation. The article concludes with a discussion of the implications for macro social work practice to address social determinants of health and improve community health. PMID- 29206951 TI - The Effects of Caregiving Resources on Perceived Health among Caregivers. AB - This study examined how various types of resources influence perceived health of caregivers. Guided by the conservation of resources theory, a caregiver health model was built and tested using structural equation modeling. The caregiver health model consisted of caregiving situations (functional limitations and cognitive impairments of older adults and caregiving time), resources (financial resources, mastery, social support, family harmony, and service utilization), caregiver burden, and perceived health of caregivers. The sample included 1,837 unpaid informal caregivers drawn from the 2004 National Long-Term Caregiver Survey. The model fit indices indicated that the first structural model did not fit well; however, the revised model yielded an excellent model fit. More stressful caregiving situations were associated with fewer resources and higher burden, whereas greater resources were associated with lower burden and better perceived health of caregivers. The results suggest explicit implications for social work research and practice on how to protect the health of caregivers. PMID- 29206952 TI - Dental Disparities among Low-Income American Adults: A Social Work Perspective. PMID- 29206953 TI - Social Workers as Behavioral Health Consultants in the Primary Care Clinic. PMID- 29206954 TI - Social Determinants of Health: Grand Challenges in Social Work's Future. PMID- 29206955 TI - AIMS: A Care Coordination Model to Improve Patient Health Outcomes. PMID- 29206956 TI - Psychological Problems Experienced by Women with Gynecological Cancer and How They Cope with It: A Phenomenological Study in Turkey. AB - This study was carried out to reveal, in detail, the psychosocial problems faced by women in Turkey during their illness with gynecological cancer, and how they cope with these problems. The phenomenological approach used for the methodology is consistent with that described by Clark Moustakas's transcendental phenomenology. The sample included 17 married women. A semistructured, in-depth question directive was used to collect the data. The psychological problems found in the women in the study included frustration and despair, depression, inability to control anger, disruption in body image, and problems with their sex lives. The women in the study stated that, among other activities, they prayed frequently. They also emphasized that social support from family and others was important in coping. The majority said that they were able to cope through denial. Women under treatment for gynecological cancer should be evaluated from a psychosocial standpoint, and spiritual care and social support should be provided as they frequently use these to cope with their illness. It is recommended that a team be created, consisting of nurses, psychiatrists or psychologists, and religious staff to meet these needs. PMID- 29206957 TI - Sleep as an Underused Target for Rapid Response in the Treatment of Depression and Suicidal Ideation. PMID- 29206959 TI - Identifying Risk for Suicide. PMID- 29206960 TI - Spotlight on recently published ICVTS articles. PMID- 29206958 TI - The Impact of Racial and Socioeconomic Disparities on Binge Eating and Self Efficacy among Adults in a Behavioral Weight Loss Trial. AB - The prevalence of obesity is a significant problem among racial and ethnic minorities and those of low socioeconomic status (SES). Psychosocial barriers, such as binge eating and low self-efficacy, are known to hinder the adoption of a more healthful diet. There is limited research identifying racial and SES differences in binge eating and self-efficacy. Further investigations of these constructs may allow researchers to improve the effectiveness of weight management interventions and increase social worker involvement. In this article, the authors examine the socioeconomic and racial differences in binge eating and eating self-efficacy in a sample of individuals seeking weight loss treatment (N = 151). They explore associations between various sociodemographic variables and the Binge Eating Scale and Weight Efficacy Lifestyle Questionnaire (WEL). At baseline, nonwhite participants or those with fewer years of education exhibited more confidence resisting eating when food was available. Moreover, nonwhite participants reported more self-confidence eating under social pressure and had higher total WEL scores than white participants. However, at six months, nonwhite participants' WEL scores decreased. White participants increased their total WEL scores and obtained a higher percent weight change by the end of the intervention. Additional investigations on the dynamics affecting the development of self-efficacy are warranted. PMID- 29206961 TI - Corrigendum to '2017 ESC/EACTS Guidelines for the management of valvular heart disease' [Eur J Cardiothorac Surg 2017;52:616-664]. PMID- 29206962 TI - Health promotion, partnership and intersectoral action. PMID- 29206964 TI - David Holmes MD FACC. PMID- 29206963 TI - Occupational Exposure to Alcohol-Based Hand Sanitizers: The Diagnostic Role of Alcohol Biomarkers in Hair. AB - Ethyl glucuronide (EtG) and fatty acid ethyl esters (FAEEs) in hair are effective direct biomarkers of ethanol ingestion, whose analytical determination can be used to discriminate between chronic and occasional ethanol intake. Ethanol is a compound widely used in some workplaces (e.g., clinics, hospitals) and is present in considerable amounts in mouthwash for oral cleaning, medications, cosmetic products, hydro-alcoholic disinfectants and antiseptics for hands. This study examined the ethyl alcohol exposure derived from hand disinfectants (in gel form) by simulating the typical occupational situation of medical-health workers (healthcare workers, nurses, surgeons, etc.) who frequently wash their hands with antiseptic sanitizer. Two types of hand disinfectants with 62% w/w of ethanol content were daily applied to the hands of a teetotaler for 20 times a day, for 4 consecutive weeks, thus simulating a typical workplace situation and a cumulative dermal exposure to ethanol of ~1,100 g. Different matrices (head, chest and beard hair, urine) were regularly sampled and analyzed using a ultra high-performance liquid chromatography tandem massspectrometry validated method for EtG and a (HS)SPME-GC-MS validated technique for FAEEs. The data obtained showed that a significant dermal absorption and/or inhalation of ethanol occurred, and that the use of detergents produce urinary EtG concentrations both higher than the cut offs normally used for clinical and forensic analyses (either 100 and 500 ng/mL, depending on the context). The concentrations of the ethanol metabolites in the keratin matrices were, respectively, below the cut-off of 7 pg/mg for EtG and below 0.5 ng/mg for FAAEs (0.35 ng/mg for ethyl palmitate). In conclusion, the regular use of alcohol-based hand sanitizers can affect the concentration of urinary EtG and lead to positive analytical results, particularly when specimens are obtained shortly after sustained use of ethanol-containing hand sanitizer. On the other hand, direct biomarkers of alcohol abuse in the keratin matrix are capable of distinguishing between ethanol consumption and incidental exposures. PMID- 29206965 TI - Training the next generation of cardiovascular leaders in health policy and economics. PMID- 29206966 TI - The EuroCTO Club Anniversary meeting. PMID- 29206967 TI - Ferrara II. PMID- 29206968 TI - New from ESC: ESC Journals Twitter. PMID- 29206969 TI - Managing aortic stenosis with TAVI or surgery: risk assessement and long-term outcome. PMID- 29206970 TI - Thrombospondin-1 and disease progression in dysferlinopathy. AB - The purpose of this study was to determine whether thrombospondin (TSP)-1 promotes macrophage activity and disease progression in dysferlinopathy. First, we found that levels of TSP-1 are elevated in blood of non-ambulant dysferlinopathy patients compared with ambulant patients and healthy controls, supporting the idea that TSP-1 levels are correlated with disease progression. We then crossed dysferlinopathic BlaJ mice with TSP-1 knockout mice and assessed disease progression longitudinally with magnetic resonance imaging (MRI). In these mice, deletion of TSP-1 ameliorated loss in volume and mass of the moderately affected gluteal muscle but not of the severely affected psoas muscle. T2 MRI parameters revealed that loss of TSP-1 modestly inhibited inflammation only in gluteal muscle of male mice. Histological assessment indicated that deletion of TSP-1 reduced inflammatory cell infiltration of muscle fibers, but only early in disease progression. In addition, flow cytometry analysis revealed that, in males, TSP-1 knockout reduced macrophage infiltration and phagocytic activity, which is consistent with TSP-1-enhanced phagocytosis and pro inflammatory cytokine induction in cultured macrophages. In summary, TSP-1 appears to play an accessory role in modulating Mp activity in BlaJ mice in a gender, age and muscle-dependent manner, but is unlikely a primary driver of disease progression of dysferlinopathy. PMID- 29206971 TI - An unexpected response to rituximab in a patient with rheumatoid arthritis. PMID- 29206973 TI - Social Work Should Be More Proactive in Addressing the Need to Plan for End of Life. PMID- 29206972 TI - Nutritional Deficiencies and Clinical Correlates in First-Episode Psychosis: A Systematic Review and Meta-analysis. AB - Objective: Diet is increasingly recognized as a potentially modifiable factor influencing the onset and outcomes of psychiatric disorders. Whereas, previous research has shown long-term schizophrenia is associated with various nutritional deficiencies, this meta-analysis aimed to determine the prevalence and extent of nutritional deficits in first-episode psychosis (FEP). Method: A search of electronic databases conducted in July 2017 identified 28 eligible studies, examining blood levels of 6 vitamins and 10 minerals across 2612 individuals: 1221 individuals with FEP and 1391 control subjects. Meta-analyses compared nutrient levels in FEP to nonpsychiatric controls. Clinical correlates of nutritional status in patient samples were systematically reviewed. Results: Significantly lower blood levels of folate (N = 6, n = 827, g = -0.624, 95% confidence interval [CI] = -1.176 to -0.072, P = .027) and vitamin D (N = 7, n = 906, g = -1.055, 95% CI = -1.99 to -0.119, P = .027) were found in FEP compared to healthy controls. Synthesis of clinical correlates found both folate and vitamin D held significant inverse relationships with psychiatric symptoms in FEP. There was also limited evidence for serum level reductions of vitamin C (N = 2, n = 96, g = -2.207, 95% CI = -3.71 to -0.71, P = .004). No differences were found for other vitamins or minerals. Conclusions: Deficits in vitamin D and folate previously observed in long-term schizophrenia appear to exist from illness onset, and are associated with worse symptomology. Further research must examine the direction and nature of these relationships (ie, mediator, moderator, or marker) with clinical status in FEP. Future trials assessing efficacy of nutrient supplementation in FEP samples should consider targeting and stratifying for baseline deficiency. PMID- 29206974 TI - Experiences with Health Insurance and Health Care in the Context of Welfare Reform. AB - Studies have shown that in the wake of welfare reform there has been a drop in the health insurance coverage and health care utilization of low-income mothers. Using data from 20 telephone interviews, this study explored the health insurance and health care experiences of current and former welfare participants living in Los Angeles County. This study found that half of these women had been uninsured at some point. Many of these lapses in health insurance coverage were linked to employment transitions and lack of knowledge regarding eligibility for different safety net programs. This study also found that satisfaction with access to health care was high among the insured respondents; however, barriers to care remained for many individuals, including appointment scheduling issues, limited scope of health insurance coverage, narrow provider networks, lack of care continuity, and perceived low quality of care. Better linkages between social programs assisting with health insurance coverage and improved knowledge among program clients may reduce health insurance cycling in this group. New rules for Medicaid managed care, currently being considered by the Centers for Medicare and Medicaid Services, have the potential to improve access to health care and the quality of care for these individuals. PMID- 29206975 TI - Health-Related Quality of Life of Low-Socioeconomic-Status Populations in Urban China. AB - Previous researchers had not yet examined the association between socioeconomic status (SES) and health-related quality of life (HRQOL) in urban China. The present study attempts to assess HRQOL of lower-SES populations in urban China in comparison with middle- and high-SES populations, and then to examine the mediating role of sense of control between SES and HRQOL. A national representative sample of 1,856 participants responded to the HRQOL survey using the 12-item Short Form Health Survey (SF-12), conducted by the Chinese General Social Survey research team in 2010. The results showed that lower-SES populations reported lower HRQOL than middle- and high-SES populations. Sense of control could partially mediate the association between social class and HRQOL. These findings will generate significant policy and practice implications for identifying those at particular risk for lower HRQOL and, accordingly, suggesting ways to improve their HRQOL through specific social work interventions in urban China's context. PMID- 29206976 TI - Talking about Sexuality and Intimacy with Women Spousal Caregivers: Perspectives of Service Providers. AB - This article reports the findings of an exploratory study examining service provider perceptions and experiences of addressing sexuality and intimacy with women spousal caregivers. The caregiver-provider encounter is examined, and challenges faced by service providers in addressing sexuality are considered. Themes identified include ambivalence and discomfort, personal and institutional barriers, meanings attributed to sexuality and intimacy, and lack of opportunities to discuss experiences. Strategies to overcome silence and invisibility on the part of service providers in the health and social services system are considered. PMID- 29206977 TI - Underuse and Unawareness of Residential Respite Care Services in Dementia Caregiving: Constraining the Need for Relief. AB - This article describes an analysis of the use of residential respite care services and the factors that influence the use of such services among informal caregivers of people with dementia. The authors studied a sample of 223 caregivers participating in a community-based intervention project in northern Portugal. Participants provided information on their overall caregiving situation and on their use or willingness to use respite care services. Results showed that fewer than 6 percent of caregivers accessed the services and that although most caregivers were not familiar with these services, they recognized their importance and strongly considered the possibility of using them. Part-time care, lower levels of gratification, higher burden, and the care receiver's attendance of day center supported the willingness to use residential respite services. The limited offer, not knowing about the services, and cultural issues related to the family duties within the caregiving role can explain the low use of these services. Social work professionals have an important role in promoting residential respite care services, and thereby helping to reduce caregiving overload. PMID- 29206978 TI - Analysis of Advance Directive Documentation to Support Palliative Care Activities in Nursing Homes. AB - As part of an intervention to improve health care in nursing homes with the goal of reducing potentially avoidable hospital admissions, 1,877 resident records were reviewed for advance directive (AD) documentation. At the initial phases of the intervention, 50 percent of the records contained an AD. Of the ADs in the resident records, 55 percent designated a durable power of attorney for health care, most often a child (62 percent), other relative (14 percent), or spouse (13 percent). Financial power of attorney documents were sometimes found within the AD, even though these documents focused on financial decision making rather than health care decision making. Code status was the most prevalent health preference documented in the record at 97 percent of the records reviewed. The intervention used these initial findings and the philosophical framework of respect for autonomy to develop education programs and services on advance care planning. The role of the social worker within an interdisciplinary team is discussed. PMID- 29206979 TI - Seasonal Difference in National School Lunch Program Participation and Its Impacts on Household Food Security. AB - The National School Lunch Program (NSLP) is one of the most important food assistance programs in the United States to ensure children's food security and healthy development. Previous studies have offered mixed results and challenges in estimating the effects of program participation. This study assesses NSLP's effect on household food security using data from the Survey of Income and Program Participation (SIPP). SIPP collects information on food security that covers four reference months, including both summer (June, July, August) and nonsummer months. The number of summer months in these four reference months varies by SIPP rotation group. These unique features allow this study to address the potential selection bias in the research of NSLP and food security by examining a seasonal difference in program participation. The analysis found that one more summer month in the reference period increases the difference in low food security rates by about 1.5 percentage points between recipients and nonrecipients eligible for free or reduced-price lunch. Findings have important social work and health policy implications for increasing food security among low income households with children. PMID- 29206980 TI - Social Security's Disability Hearings Backlog: A National Crisis. PMID- 29206981 TI - Variable Molecular Markers for the Order Mantophasmatodea (Insecta). AB - The recently discovered insect order Mantophasmatodea currently comprises 19 Southern African species. These mainly occur in allopatry, have high levels of color polymorphism and communicate via species- and gender-specific vibratory signals. High levels of interspecific morphological conservatism mean that cryptic species are likely to be uncovered. These aspects of Mantophasmatodean biology make them an ideal group in which to investigate population divergence due to habitat-specific adaptation, sexual selection, and potentially sensory speciation. Lack of appropriate genetic markers has thus far rendered such studies unfeasible. To address this need, the first microsatellite loci for this order were developed. Fifty polymorphic loci were designed specifically for Karoophasma biedouwense (Austrophasmatidae), out of which 23 were labeled and tested for amplification across the order using 2-3 individuals from 10 species, representing all 4 currently known families. A Bayesian mitochondrially encoded cytochrome c oxidase I (COI) topology was reconstructed and divergence dates within the order were estimated for the first time. Amplification success and levels of polymorphism were compared with genetic divergence and time since divergence. In agreement with studies on vertebrate taxa, both amplification and variability were negatively correlated with distance (temporal and genetic). The high number of informative loci will offer sufficient resolution for both broad level population genetic analysis and individual based pedigree or parentage analyses for most species in Austrophasmatidae, with at least some loci available for the other families. This resource will facilitate research into the evolutionary biology of this understudied but fascinating group. PMID- 29206982 TI - Measures and metrics of sustainable diets with a focus on milk, yogurt, and dairy products. AB - The 4 domains of sustainable diets are nutrition, economics, society, and the environment. To be sustainable, foods and food patterns need to be nutrient-rich, affordable, culturally acceptable, and sparing of natural resources and the environment. Each sustainability domain has its own measures and metrics. Nutrient density of foods has been assessed through nutrient profiling models, such as the Nutrient-Rich Foods family of scores. The Food Affordability Index, applied to different food groups, has measured both calories and nutrients per penny (kcal/$). Cultural acceptance measures have been based on relative food consumption frequencies across population groups. Environmental impact of individual foods and composite food patterns has been measured in terms of land, water, and energy use. Greenhouse gas emissions assess the carbon footprint of agricultural food production, processing, and retail. Based on multiple sustainability metrics, milk, yogurt, and other dairy products can be described as nutrient-rich, affordable, acceptable, and appealing. The environmental impact of dairy farming needs to be weighed against the high nutrient density of milk, yogurt, and cheese as compared with some plant-based alternatives. PMID- 29206983 TI - Cytogenetic Profiling of Myelomas, Association With Complete Blood Count: Study of 180 Patients. AB - Objectives: To analyze the most common primary and secondary cytogenetic events in myelomas using a probe panel designed in our laboratory, and to associate those events with hematological and biochemical findings. Methods: Blood specimens from patients diagnosed with myeloma were processed to determine complete blood count and levels of albumin, creatinine, and beta-2 microglobulin. We evaluated bone-marrow specimens for plasma-cell percentage by light microscopy and for cytogenetic abnormalities by fluorescence in situ hybridization (FISH). The Mann-Whitney U test was used to compare hematological and biochemical parameters. Results: We observed immunoglobulin heavy chain (IgH) gene translocations in 43.3% and t(4;14) in 21% of specimens; t(11;14) was observed in 7.7% of specimens. Gain of chromosomes was observed in 67.2% and loss observed in 16.6% of specimens. Conclusions: Gains of chromosomes were observed in two-thirds of patients with myeloma. The most common IgH translocation was t(4;14); del13/monosomy13 was the most common secondary cytogenetic abnormality. Partial or complete tetrasomies were associated with higher beta-2 microglobulin levels. PMID- 29206984 TI - Rational Urine Drug Monitoring in Patients Receiving Opioids for Chronic Pain: Consensus Recommendations. AB - Objective: To develop consensus recommendations on urine drug monitoring (UDM) in patients with chronic pain who are prescribed opioids. Methods: An interdisciplinary group of clinicians with expertise in pain, substance use disorders, and primary care conducted virtual meetings to review relevant literature and existing guidelines and share their clinical experience in UDM before reaching consensus recommendations. Results: Definitive (e.g., chromatography-based) testing is recommended as most clinically appropriate for UDM because of its accuracy; however, institutional or payer policies may require initial use of presumptive testing (i.e., immunoassay). The rational choice of substances to analyze for UDM involves considerations that are specific to each patient and related to illicit drug availability. Appropriate opioid risk stratification is based on patient history (especially psychiatric conditions or history of opioid or substance use disorder), prescription drug monitoring program data, results from validated risk assessment tools, and previous UDM. Urine drug monitoring is suggested to be performed at baseline for most patients prescribed opioids for chronic pain and at least annually for those at low risk, two or more times per year for those at moderate risk, and three or more times per year for those at high risk. Additional UDM should be performed as needed on the basis of clinical judgment. Conclusions: Although evidence on the efficacy of UDM in preventing opioid use disorder, overdose, and diversion is limited, UDM is recommended by the panel as part of ongoing comprehensive risk monitoring in patients prescribed opioids for chronic pain. PMID- 29206985 TI - Advanced Maternal Age and the Risk of Low Birth Weight and Preterm Delivery: a Within-Family Analysis Using Finnish Population Registers. AB - Advanced maternal age at birth is considered a major risk factor for birth outcomes. It is unclear to what extent this association is confounded by maternal characteristics. To test whether advanced maternal age at birth independently increases the risk of low birth weight (<2,500 g) and preterm birth (<37 weeks' gestation), we compared between-family models (children born to different mothers at different ages) with within-family models (children born to the same mother at different ages). The latter procedure reduces confounding by unobserved parental characteristics that are shared by siblings. We used Finnish population registers, including 124,098 children born during 1987-2000. When compared with maternal ages 25-29 years in between-family models, maternal ages of 35-39 years and >=40 years were associated with percentage increases of 1.1 points (95% confidence intervals: 0.8, 1.4) and 2.2 points (95% confidence intervals: 1.4, 2.9), respectively, in the probability of low birth weight. The associations are similar for the risk of preterm delivery. In within-family models, the relationship between advanced maternal age and low birth weight or preterm birth is statistically and substantively negligible. In Finland, advanced maternal age is not independently associated with the risk of low birth weight or preterm delivery among mothers who have had at least 2 live births. PMID- 29206986 TI - Potential for Bias When Estimating Critical Windows for Air Pollution in Children's Health. AB - Evidence supports an association between maternal exposure to air pollution during pregnancy and children's health outcomes. Recent interest has focused on identifying critical windows of vulnerability. An analysis based on a distributed lag model (DLM) can yield estimates of a critical window that are different from those from an analysis that regresses the outcome on each of the 3 trimester average exposures (TAEs). Using a simulation study, we assessed bias in estimates of critical windows obtained using 3 regression approaches: 1) 3 separate models to estimate the association with each of the 3 TAEs; 2) a single model to jointly estimate the association between the outcome and all 3 TAEs; and 3) a DLM. We used weekly fine-particulate-matter exposure data for 238 births in a birth cohort in and around Boston, Massachusetts, and a simulated outcome and time varying exposure effect. Estimates using separate models for each TAE were biased and identified incorrect windows. This bias arose from seasonal trends in particulate matter that induced correlation between TAEs. Including all TAEs in a single model reduced bias. DLM produced unbiased estimates and added flexibility to identify windows. Analysis of body mass index z score and fat mass in the same cohort highlighted inconsistent estimates from the 3 methods. PMID- 29206987 TI - Neighborhood Physical Environment and Changes in Body Mass Index: Results From the Multi-Ethnic Study of Atherosclerosis. AB - Longitudinal associations between neighborhood characteristics and body mass index (BMI; weight (kg)/height (m)2) were assessed from 2000 to 2011 among 5,919 participants in the Multi-Ethnic Study of Atherosclerosis. The perceived availability of healthy food and walking environment were assessed via surveys, and 1-mile (1.6-km) densities of supermarkets, fruit-and-vegetable stores, and recreational facilities were obtained through a commercial database. Econometric fixed-effects models were used to estimate the association between within-person changes in neighborhood characteristics and within-person change in BMI. In fully adjusted models, a 1-standard-deviation increase in the healthy food environment index was associated with a 0.16-kg/m2 decrease in BMI (95% confidence interval (CI): -0.27, -0.06) among participants with obesity at baseline. A 1-standard deviation increase in the physical activity environment index was associated with 0.13-kg/m2 (95% CI: -0.24, -0.02) and 0.14-kg/m2 (95% CI: -0.27, -0.01) decreases in BMI for participants who were overweight and obese at baseline, respectively. Paradoxically, increases in the physical activity index were associated with BMI increases in persons who were normal-weight at baseline. This study provides preliminary longitudinal evidence that favorable changes in neighborhood physical environments are related to BMI reductions in obese persons, who comprise a substantial proportion of the US population. PMID- 29206989 TI - Work-Related Biomechanical Exposure and Job Strain as Separate and Joint Predictors of Musculoskeletal Diseases: A 28-Year Prospective Follow-up Study. AB - We investigated how work-related biomechanical exposure and job strain in midlife separately and jointly predicted back and degenerative musculoskeletal diseases (MSDs). A total of 6,257 employees participated in the Finnish Longitudinal Study on Aging Municipal Employees (FLAME) in 1981 and were followed up for 28 years. Risk ratios and the relative excessive risk due to interaction and 95% confidence intervals were modeled for separate and joint prediction estimates, respectively. After adjustment for confounders, job strain predicted degenerative MSDs among women after 4 and 11 years of follow-up. After 11 years, both exposures predicted both types of MSDs among men. Joint exposure predicted both types of MSDs after 4 years among women (for back MSDs, risk ratio (RR) = 1.58, 95% confidence interval (CI): 1.15, 2.18; for degenerative MSDs, RR = 1.59, 95% CI: 1.21, 2.07) and men (for back MSDs, RR = 1.50, 95% CI: 1.05, 2.15; for degenerative MSDs, RR = 1.61, 95% CI: 1.16, 2.22) and both types of MSDs after 11 years (for back MSDs, RR = 1.72, 95% CI: 1.21, 2.43; for degenerative MSDs, RR = 1.68, 95% CI: 1.25, 2.46) among men only, but the relative excessive risk due to interaction was not significant throughout. However, after 28 years, the separate and joint exposures did not predict MSDs. Workplace interventions should be focused on reducing job strain along with biomechanical exposure for possible prevention of MSDs in working life and around the time of retirement, but there may be other pathways of onset of MSDs in old age. PMID- 29206988 TI - Group-Based Trajectory of Body Shape From Ages 5 to 55 Years and Cardiometabolic Disease Risk in 2 US Cohorts. AB - The association of adiposity across the life span with cardiometabolic risk is not completely delineated. We used a group-based modeling approach to identify distinct trajectories of body shape from ages 5 years to 55 years among 84,792 women from the Nurses' Health Study (1976-2010) and 37,706 men from the Health Professionals Follow-up Study (1986-2010) and assessed the associations between these trajectories and incidence of type 2 diabetes and cardiovascular disease (CVD) during a 17-year follow-up period. Compared with those who maintained leanness throughout the life span ("lean-stable" trajectory), participants who maintained a medium body shape ("medium-stable" trajectory) had somewhat increased risk. Those who started lean but had a moderate or marked increase in adiposity ("lean-moderate increase" and "lean-marked increase" trajectories) had even higher risk (e.g., for a "lean-marked increase" trajectory, the hazard ratio for diabetes was 8.11 (95% confidence interval (95% CI): 7.10, 9.27) in women and 2.36 (95% CI: 2.04, 2.74) in men; for CVD, it was 1.38 (95% CI: 1.25, 1.52) in women and 1.28 (95% CI: 1.16, 1.41) in men). Participants who started heavy and became heavier (a "heavy-increase" trajectory) had substantially elevated risk (for diabetes, the hazard ratio was 7.34 (95% CI: 6.40, 8.42) in women and 2.80 (95% CI: 2.37, 3.31) in men; for CVD, it was 1.55 (95% CI: 1.40, 1.71) in women and 1.35 (95% CI: 1.20, 1.53) in men). Our data showed that trajectories of body shape from ages 5 to 55 years were associated with subsequent risk of developing type 2 diabetes and CVD. PMID- 29206990 TI - Measuring the Impact of Disasters Using Publicly Available Data: Application to Hurricane Sandy (2012). AB - The unexpected nature of disasters leaves little time or resources for organized health surveillance of the affected population, and even less for those who are unaffected. An ideal epidemiologic study would monitor both groups equally well, but would typically be decided against as infeasible or costly. Exposure and health outcome data at the level of the individual can be difficult to obtain. Despite these challenges, the health effects of a disaster can be approximated. Approaches include 1) the use of publicly available exposure data in geographic detail, 2) health outcomes data-collected before, during, and after the event, and 3) statistical modeling designed to compare the observed frequency of health outcomes with the counterfactual frequency hidden by the disaster itself. We applied these strategies to Hurricane Sandy, which struck the northeastern United States in October 2012. Hospital admissions data from the state of New York with information on primary payer as well as patient demographic characteristics were analyzed. To illustrate the method, we present multivariate logistic regression results for the first 2 months after the hurricane. Inferential implications of admissions data on nearly the entire target population in the wake of a disaster are discussed. PMID- 29206991 TI - Clinical Predictors of Malaria, Acute Bacterial Meningitis and Treatment Outcomes among Febrile Children Admitted with Altered Mental Status in Northwestern Tanzania. AB - Background: Malaria and acute bacterial meningitis (ABM) are the leading infectious causes of febrile encephalopathy in malaria endemic settings. The clinical distinction of the two conditions is complicated by overlap in clinical features. Objective: To determine the clinical predictors for malaria, ABM and treatment outcome in febrile children aged 2 months to 12 years with altered mentation at two tertiary hospitals in Northwestern Tanzania. Methods: Prospective study of 103 children to document demographic data and physical examination findings, such as level of consciousness and meningeal irritations. Laboratory results for cerebrospinal fluid, hemoglobin, malaria and HIV were also evaluated. Results: Age >60 months and hemoglobin <=5 g/dl were independent predictors of malaria; (p = 0.013 and 0.004, respectively). HIV infection was the only predictor of meningitis, p = 0.037, and mortality was high if the diagnosis was unconfirmed. Conclusions: Children with febrile encephalopathy are more likely to have malaria than ABM if they have severe anemia. PMID- 29206992 TI - Seroprevalence of lymphatic filariasis among migrant workers in Peninsular Malaysia. AB - Background: Malaysia aims to eliminate lymphatic filariasis (LF) by the year 2020, thus the potential threat of LF from migrant workers needs to be investigated. Methods: Brugian and bancroftian filariasis among 484 migrant workers from six countries were investigated using rapid tests based on detection of specific IgG4 antibodies against BmR1 (Brugia Rapid) and BmSXP recombinant antigens. Results: The seroprevalence of brugian filariasis was very low; however, bancroftian filariasis was notable among workers from India, Nepal and Myanmar. Conclusion: Malaysia is not endemic for Wuchereria bancrofti, but harbors the vectors for the parasite, thus the results showed that migrant workers should be monitored for this infection. PMID- 29206993 TI - Longitudinal Relationship Between Knee Pain Status and Incident Frailty: Data from the Osteoarthritis Initiative. AB - Objective: Examine the longitudinal association between knee pain and prefrailty/frailty. Design: Longitudinal study. Setting: Five clinical centers across the United States. Subject: Data from 3,053 nonfrail participants aged 45 79 years at baseline from the Osteoarthritis Initiative. Methods: According to self-reported knee pain at baseline, the participants were placed into three groups: no knee pain (N = 1,600), unilateral knee pain (N = 822), and bilateral knee pain (N = 631). Frailty status was assessed over time using the five frailty indicators (unintentional weight loss, exhaustion, weak energy, slow gait speed, and little physical activity). Based on the number of frailty indicators present, prefrailty (1-2) and frailty (>=3) were diagnosed. Generalized estimating equations logistic regression analyses were conducted to examine the relationship between knee pain status and prefrailty/frailty. Results: After adjusting for age, sex, race, education, marital status, smoking status, comorbidities, and body mass index, unilateral knee pain at baseline was associated with an increased odds of developing prefrailty (odds ratio [OR] = 1.14, 95% confidence interval [CI] = 1.01-1.27) and frailty (OR = 1.89, 95% CI = 1.38-2.62), and bilateral knee pain at baseline was also associated with an increased risk of prefrailty (OR = 1.41, 95% CI = 1.24-1.62) and frailty (OR = 2.21, 95% CI = 1.63 3.01) over time in comparison with no knee pain. The interaction of knee pain status by time was not significantly associated with either prefrailty or frailty. Conclusions: Knee pain (particularly bilateral knee pain) is associated with an increased risk of developing prefrailty and frailty over time. PMID- 29206994 TI - Trends and patterns in leprosy in nine states of the Republic of the Sudan 7 years after the introduction of routine contact screening. AB - Background: This paper analyzes the trends of key indicators reflecting the epidemiological situation of leprosy in nine different states of the Republic of the Sudan after the introduction of a systematic contact screening in 2010. Methods: The routinely assessed data from the leprosy control program from 2010 to 2016 were analyzed. Results: Despite, intense contact screening, the overall number of new cases detected showed a decreasing trend. The female:male ratio among new cases was constantly low. The overall average number of contacts needed to screen in order to detect a new case among contacts was 64. However, this number varied significantly in the nine states under investigation, with the best yield being observed in the state with the lowest case detection rate. Conclusions: The total number of new cases of leprosy in nine states of the Republic of the Sudan has shown declining tendencies since 2010. Our data are not suggestive of a significant impact of contact screening on the trends of leprosy key indicators. Overall, contact screening proved to be efficient in most states, including those that exhibited very low annual new case detection rates (ANCDRs). Sensitization of personnel undergoing training and measures improving access of females to leprosy services are urgently needed. PMID- 29206995 TI - Concordance of Circulating Tumor DNA and Matched Metastatic Tissue Biopsy in Prostate Cancer. AB - Background: Real-time knowledge of the somatic genome can influence management of patients with metastatic castration-resistant prostate cancer (mCRPC). While routine metastatic tissue biopsy is challenging in mCRPC, plasma circulating tumor DNA (ctDNA) has emerged as a minimally invasive tool to sample the tumor genome. However, no systematic comparisons of matched "liquid" and "solid" biopsies have been performed that would enable ctDNA profiling to replace the need for direct tissue sampling. Methods: We performed targeted sequencing across 72 clinically relevant genes in 45 plasma cell-free DNA (cfDNA) samples collected at time of metastatic tissue biopsy. We compared ctDNA alterations with exome sequencing data generated from matched tissue and quantified the concordance of mutations and copy number alterations using the Fisher exact test and Pearson correlations. Results: Seventy-five point six percent of cfDNA samples had a ctDNA proportion greater than 2% of total cfDNA. In these patients, all somatic mutations identified in matched metastatic tissue biopsies were concurrently present in ctDNA. Furthermore, the hierarchy of variant allele fractions for shared mutations was remarkably similar between ctDNA and tissue. Copy number profiles between matched liquid and solid biopsy were highly correlated, and individual copy number calls in clinically actionable genes were 88.9% concordant. Detected alterations included AR amplifications in 22 (64.7%) samples, SPOP mutations in three (8.8%) samples, and inactivating alterations in tumor suppressors TP53 , PTEN , RB1 , APC , CDKN1B , BRCA2 , and PIK3R1 . In several patients, ctDNA sequencing revealed robust changes not present in paired solid biopsy, including clinically relevant alterations in the AR, WNT, and PI3K pathways. Conclusions: Our study shows that, in the majority of patients, a ctDNA assay is sufficient to identify all driver DNA alterations present in matched metastatic tissue and supports development of DNA biomarkers to guide mCRPC patient management based on ctDNA alone. PMID- 29206996 TI - Tumor Regression Grading After Preoperative Chemoradiotherapy as a Prognostic Factor and Individual-Level Surrogate for Disease-Free Survival in Rectal Cancer. AB - Background: We investigated tumor regression grading (TRG) as a prognostic marker and individual-level surrogate for disease-free survival (DFS) in patients with rectal carcinoma treated within the Chirurgische Arbeitsgemeinschaft fur Onkologie/Arbeitsgemeinschaft Radiologische Onkologie/Arbeitsgemeinschaft Internistische Onkologie (CAO/ARO/AIO)-04 randomized trial. Methods: TRG was recorded prospectively using the Dworak classification in 1179 patients after preoperative fluorouracil-based chemoradiotherapy (CRT) with or without oxaliplatin. Multivariable analysis was performed using Cox regression models adjusted for treatment arm, resection status, and pathologic stage. Individual level surrogacy of TRG for DFS was examined using the four Prentice criteria (PC1 4). All statistical tests were two-sided. Results: With a median follow-up of 50 months, the addition of oxaliplatin to fluorouracil-based CRT led to statistically significantly improved three-year DFS (75.9%, 95% CI = 72.3 to 79.5, vs 71.3%, 95% CI = 67.6 to 74.9, P = .04, PC 1) and a shift toward more advanced TRG groups ( P < .001, PC 2) compared with CRT with fluorouracil alone. The three-year DFS was 64.6% (95% CI = 57.3 to 71.9), 77.6% (95% CI = 74.5 to 80.7), and 92.3% (95% CI = 88.4 to 96.2) for TRG 0 + 1 (poor regression), TRG 2 + 3 (intermediate regression), and TRG 4 (complete regression), respectively ( P < .001, PC 3). TRG constituted an independent prognostic factor for DFS (TRG 2 + 3 vs TRG 0 + 1, HR = 0.68, 95% CI = 0.51 to 0.90, P = .007). Due to multicollinearity, TRG 4 and pathologic stage could not be tested within the same model. The treatment effect on DFS was captured by TRG, satisfying individual level PC4. Conclusions: Higher TRG after preoperative CRT predicted a favorable long-term outcome. At the individual patient level, TRG was a surrogate marker for DFS. Further phase III trials are needed to validate TRG as a surrogate at trial level. PMID- 29206997 TI - Healthcare use among immigrants and natives in Sweden on disability pension, before and after changes of regulations. AB - Background: There is limited knowledge regarding psychiatric healthcare utilization around the time of granting disability pension (DP) due to common mental disorders (CMD) among immigrants and if this is related to social insurance regulations. The aim was to evaluate patterns of psychiatric healthcare utilization before and after DP due to CMD among immigrants and natives. A second aim was to evaluate if such patterns differed before and after changes in social insurance regulations in Sweden in 2008. Methods: All 28 354 individuals living in Sweden with incident DP due to CMD, before (2005-06; n = 24 298) or after (2009-10; n = 4056) changes in regulations of granting DP, were included. Patterns of psychiatric in- and specialized outpatient healthcare utilization during a 7-year window around DP granting were assessed by Generalized Estimating Equations estimating multivariate adjusted odds ratios (OR) and 95% confidence intervals (CI). Results: Prevalence rates of psychiatric inpatient care were comparable among immigrants and natives, lower in non-Western immigrants (Africa, Asia and South-America). Three years after DP, non-Western immigrants in comparison to natives and Western immigrants had a stronger decrease in inpatient psychiatric healthcare: OR 0.48 (CI 0.38-0.62), 0.76 (0.70-0.83) and 1.01 (0.76 1.34), respectively. After 2008, a strong reduction in outpatient psychiatric healthcare after DP granting was observed, similarly in immigrants and natives. Conclusions: Non-Western immigrants showed a different pattern of inpatient specialized healthcare after DP granting in comparison to natives. After changes in social insurance regulations, the decline in outpatient psychiatric healthcare following DP granting was comparable in immigrants and natives. PMID- 29206999 TI - Expansion of Viral Load Testing and the Potential Impact on HIV Drug Resistance. AB - The US President's Emergency Plan for AIDS Relief (PEPFAR) supports aggressive scale-up of antiretroviral therapy (ART) in high-burden countries and across all genders and populations at risk toward global human immunodeficiency virus (HIV) epidemic control. PEPFAR recognizes the risk of HIV drug resistance (HIVDR) as a consequence of aggressive ART scale-up and is actively promoting 3 key steps to mitigate the impact of HIVDR: (1) routine access to routine viral load monitoring in all settings; (2) optimization of ART regimens; and (3) routine collection and analysis of HIVDR data to monitor the success of mitigation strategies. The transition to dolutegravir-based regimens in PEPFAR-supported countries and the continuous evolution of HIVDR surveillance strategies are essential elements of PEPFAR implementation. PMID- 29207000 TI - Key Factors Influencing the Emergence of Human Immunodeficiency Virus Drug Resistance in Low- and Middle-Income Countries. AB - The emergence and spread of human immunodeficiency virus (HIV) drug resistance from antiretroviral roll-out programs remain a threat to long-term control of the HIV-AIDS epidemic in low- and middle-income countries (LMICs). The patterns of drug resistance and factors driving emergence of resistance are complex and multifactorial. The key drivers of drug resistance in LMICs are reviewed here, and recommendations are made to limit their influence on antiretroviral therapy efficacy. PMID- 29207001 TI - The Role of HIV-1 Drug-Resistant Minority Variants in Treatment Failure. AB - Human immunodeficiency virus type 1 (HIV-1) drug resistance genotyping is recommended to help in the selection of antiretroviral therapy and to prevent virologic failure. There are several ultrasensitive assays able to detect HIV-1 drug-resistance minority variants (DRMVs) not detectable by standard population sequencing-based HIV genotyping assays. Presence of these DRMVs has been shown to be clinically relevant, but its impact does not appear to be uniform across drug classes. In this review, we summarize key evidence for the clinical impact of DRMVs across drug classes for both antiretroviral treatment-naive and antiretroviral treatment-experienced patients, and highlight areas where more supporting evidence is needed. PMID- 29207003 TI - Risk factors for symptomatic esophageal stricture after caustic ingestion-a retrospective cohort study. AB - Esophageal stricture is a major secondary complication of ingesting caustic agents. We examined our experiences with caustic injuries with a view to finding clinical and biological risk factors of esophageal strictures secondary to caustic ingestion. Records were retrieved for 58 adults admitted consecutively to our intensive care unit for caustic ingestion. Fifty cases were managed conservatively and therefore retained for analyses. Patients were grouped according to whether they developed strictures or not during the follow-up period. Mucosal damage was assessed by emergency endoscopy. Eleven patients (22%) developed a stricture. At referral, dysphagia, epigastric pain, and hematemesis were associated with secondary stricture (respectively P = 0.047, P = 0.008, P = 0.02). A high Zargar endoscopic grade (above IIa; P = 0.02), the ingestion of strong acids or alkalis (P = 0.006), hyperleukocytosis (P = 0.02), and a low prothrombin ratio (P = 0.002) were associated with a higher risk of developing a stricture. The median delay of stricture diagnosis was 12 (8;16) days after ingestion, with extreme values from 4 to 26 days. Initial symptoms such as dysphagia or hematemesis, early endoscopy showing >IIa grade esophagitis, and certain laboratory results should draw the physician's attention to a high risk of esophageal stricture. PMID- 29207004 TI - Phenotypic antimicrobial susceptibility testing of Chlamydia trachomatis isolates from patients with persistent or successfully treated infections. AB - Objectives: Antimicrobial susceptibility data for Chlamydia trachomatis are lacking. Methodologies for susceptibility testing in C. trachomatis are not well defined, standardized or performed routinely owing to its intracellular growth requirements. We sought to develop an assay for the in vitro susceptibility testing of C. trachomatis isolates from two patient cohorts with different clinical outcomes. Methods: Twenty-four clinical isolates (11 from persistently infected and 13 from successfully treated patients) were overlaid with media containing two-fold serial dilutions of azithromycin or doxycycline. After incubation, aliquots were removed from the stock inoculum (SI) and each antimicrobial concentration for total RNA extraction, complementary DNA generation and real-time PCR. The MIC was defined as the lowest antimicrobial concentration where a 95% reduction in transcription was evident in comparison with the SI for each isolate. Results: MICs of azithromycin were comparable for isolates from the two patient groups (82% <= 0.25 mg/L for persistently infected and 100% <= 0.25 mg/L for successfully treated patients). Doxycycline MICs were at least two-fold lower for isolates from the successfully treated patients (53.9% <= 0.064 mg/L) than for the persistently infected patients (100% >= 0.125 mg/L) (P = 0.006, Fisher's exact test). Overall, 96% of isolates gave reproducible MICs when re-tested. Conclusions: A reproducible assay was developed for antimicrobial susceptibility testing of C. trachomatis. MICs of azithromycin were generally comparable for the two different patient groups. MICs of doxycycline were significantly higher in the persistently infected patients. However, interpretation of elevated MICs in C. trachomatis is extremely challenging in the absence of breakpoints, or wild-type and treatment failure MIC distribution data. PMID- 29207005 TI - Global Health Journal Club: Is Honey Effective as a Treatment for Chemotherapy induced Mucositis in Paediatric Oncology Patients? AB - Oral mucositis (OM) is an inflammatory response of mucosal epithelium to the cytotoxic effects of chemotherapy and radiotherapy causing severe oral pain and ulceration, which may complicate the management of cancer. The Mucositis Prevention Guideline Development Group has developed an international guideline for the prevention of mucositis in children receiving treatment for cancer or undergoing haematopoietic stem cell transplantation. Evidence-based preventative strategies include cryotherapy, low-level light therapy and keratinocyte growth factor. However, these strategies are often not available in resource-poor settings. There is some evidence that honey may be a suitable treatment for OM in adult patients. We performed a literature search of 11 databases to find papers exploring the use of honey to treat chemotherapy-associated mucositis in paediatric oncology patients. We found four papers, which provide Grade C evidence that honey is effective as a preventative and therapeutic measure for OM in paediatric oncology patients. PMID- 29207002 TI - Disability, fatigue, pain and their associates in early diffuse cutaneous systemic sclerosis: the European Scleroderma Observational Study. AB - Objectives: Our aim was to describe the burden of early dcSSc in terms of disability, fatigue and pain in the European Scleroderma Observational Study cohort, and to explore associated clinical features. Methods: Patients completed questionnaires at study entry, 12 and 24 months, including the HAQ disability index (HAQ-DI), the Cochin Hand Function Scale (CHFS), the Functional Assessment of Chronic Illness Therapy-fatigue and the Short Form 36 (SF36). Associates examined included the modified Rodnan skin score (mRSS), current digital ulcers and internal organ involvement. Correlations between 12-month changes were also examined. Results: The 326 patients recruited (median disease duration 11.9 months) displayed high levels of disability [mean (s.d.) HAQ-DI 1.1 (0.83)], with 'grip' and 'activity' being most affected. Of the 18 activities assessed in the CHFS, those involving fine finger movements were most affected. High HAQ-DI and CHFS scores were both associated with high mRSS (rho = 0.34, P < 0.0001 and rho = 0.35, P < 0.0001, respectively). HAQ-DI was higher in patients with digital ulcers (P = 0.004), pulmonary fibrosis (P = 0.005), cardiac (P = 0.005) and muscle involvement (P = 0.002). As anticipated, HAQ-DI, CHFS, the Functional Assessment of Chronic Illness Therapy and SF36 scores were all highly correlated, in particular the HAQ-DI with the CHFS (rho = 0.84, P < 0.0001). Worsening HAQ-DI over 12 months was strongly associated with increasing mRSS (rho = 0.40, P < 0.0001), decreasing hand function (rho = 0.57, P < 0.0001) and increasing fatigue (rho = -0.53, P < 0.0001). Conclusion: The European Scleroderma Observational Study highlights the burden of disability in early dcSSc, with high levels of disability and fatigue, associating with the degree of skin thickening (mRSS). Impaired hand function is a major contributor to overall disability. PMID- 29207006 TI - Distal Functional Connectivity of Known and Emerging Cortical Targets for Therapeutic Noninvasive Stimulation. AB - Noninvasive stimulation is an emerging modality for the treatment of psychiatric disorders, including addiction. A crucial element in effective cortical target selection is its distal influence. We approached this question by examining resting-state functional connectivity patterns in known and potential stimulation targets in 145 healthy adults. We compared connectivity patterns with distant regions of particular relevance in the development and maintenance of addiction. We used stringent Bonferroni-correction for multiple comparisons. We show how the anterior insula, dorsal anterior cingulate, and ventromedial prefrontal cortex had opposing functional connectivity with striatum compared to the dorsomedial prefrontal cortex. However, the dorsolateral prefrontal cortex, the currently preferred target, and the presupplementary motor area had strongest negative connections to amygdala and hippocampus. Our findings highlight differential and opposing influences as a function of cortical site, underscoring the relevance of careful cortical target selection dependent on the desired effect on subcortical structures. We show the relevance of dorsal anterior cingulate and ventromedial prefrontal cortex as emerging cortical targets, and further emphasize the anterior insula as a potential promising target in addiction treatment, given its strong connections to ventral striatum, putamen, and substantia nigra. PMID- 29207007 TI - Fertility preservation in women harboring deleterious BRCA mutations: ready for prime time? AB - Fertility issues have become critical in the management and counseling of BRCA mutation carriers. In this setting four points deserve consideration. (1) Women in general lose their ability to conceive at a mean age of 41 years, thus the suggested policy of prophylactic bilateral salpingo-oophorectomy at age 40 for BRCA mutation carriers does not affect the chances of natural pregnancy. Conversely, if the procedure is chosen at 35 years old, oocyte cryopreservation prior to surgery should be considered. (2) Some evidence suggests that ovarian reserve may actually be partly reduced in BRCA mutations carriers and that the mutation may affect ovarian responsiveness to stimulation. However, these findings are still controversial. (3) Breast cancer is not rare before the age of 40 and fertility preservation after diagnosis can be requested in a significant proportion of BRCA mutation carriers. Thus, a policy of oocyte cryopreservation in young healthy carriers deserves consideration. The procedure could be considered at a young age and in an elective setting, when ovarian stimulation may yield more oocytes of better quality. (4) Preimplantation genetic diagnosis (PGD) could be considered in BRCA mutations carriers, particularly when good quality oocytes have been stored at a young age. Based on the current knowledge, a univocal approach cannot be recommended; in depth patient counseling is warranted. PMID- 29207008 TI - Cannabis Use and Hypomania in Young People: A Prospective Analysis. AB - Background: Cannabis use in young people is common and associated with psychiatric disorders. However, the prospective link between cannabis use and bipolar disorder symptoms has rarely been investigated. The study hypothesis was that adolescent cannabis use is associated with hypomania in early adulthood via several potential etiological pathways. Methods: Data were used from the Avon Longitudinal Study of Parents and Children, a UK birth cohort study. The prospective link between cannabis use at age 17 and hypomania at age 22-23 years was tested using regression analysis, adjusted for gender, early environmental risk factors, alcohol and drug use, and depression and psychotic symptoms at age 18 years. Path analysis examined direct and indirect effects of the link and whether gender, childhood family adversity, or childhood abuse are associated with hypomania via an increased risk of cannabis use. Results: Data were available on 3370 participants. Cannabis use at least 2-3 times weekly was associated with later hypomania (OR = 2.21, 95% CI = 1.49-3.28) after adjustment. There was a dose-response relationship (any use vs weekly). Cannabis use mediated the association of both childhood sexual abuse and hypomania, and male gender and hypomania. The cannabis use-hypomania link was not mediated by depression or psychotic symptoms. Conclusions: Adolescent cannabis use may be an independent risk factor for future hypomania, and the nature of the association suggests a potential causal link. Cannabis use mediates the link between childhood abuse and future hypomania. As such it might be a useful target for indicated prevention of hypomania. PMID- 29207009 TI - TAT-fused IP3R-derived peptide enhances cisplatin sensitivity of ovarian cancer cells by increasing ER Ca2+ release. AB - Ovarian cancer is the most common gynecological malignancy. At present, cisplatin is used to treat ovarian cancer; however, the development of cisplatin resistance during therapy is a common obstacle to achieving favorable outcomes. Recently, the B-cell lymphoma 2 (Bcl-2) BH4 domain has been reported to mediate the prosurvival activity of Bcl-2 in cancer; however, the involvement of the BH4 domain of Bcl-2 in the cisplatin resistance of ovarian carcinoma cells is not entirely clear. In this study, we observed the cytoplasmic and mitochondrial levels of Ca2+ by confocal laser microscopy. We also detected cell apoptosis using western blot analysis and flow cytometry. The present study demonstrated that TAT-fused inositol 1,4,5-trisphosphate receptor-derived peptide (TAT-IDPS), which targets the BH4 domain of Bcl-2, increased cisplatin-induced Ca2+ flux from the endoplasmic reticulum (ER) into the cytosol and mitochondria. In addition, TAT-IDPS increased cisplatin-induced expression of mitochondrial apoptosis associated proteins and ER stress-associated proteins. These results indicated that TAT-IDPS may enhance the cytotoxicity of cisplatin toward ovarian carcinoma cells by increasing ER Ca2+ release. PMID- 29207010 TI - The potential inhibitory effects of miR-19b on vulnerable plaque formation via the suppression of STAT3 transcriptional activity. AB - Atherosclerotic plaque growth requires angiogenesis, and acute coronary syndrome (ACS) is usually triggered by the rupture of unstable atherosclerotic plaques. Previous studies have identified typically circulating microRNA (miRNA/miR) profiles in patients with ACS. miRNAs serve important roles in the pathophysiology of atherosclerotic plaque progression. The present study aimed to investigate the potential role and mechanism of miR-19b in plaque stability. miRNA array data indicated that 28 miRNAs were differentially expressed in the plasma of patients with unstable angina (UA; n=12) compared with in control individuals (n=12), and miR-19b exhibited the most marked upregulation. Circulating miR-19b levels were further validated in another independent cohort, which consisted of 34 patients with UA and 24 controls, by quantitative polymerase chain reaction. Gene Ontology annotations of the predicted target genes of miR-19b suggested that miR-19b may be involved in endothelial cell (EC) proliferation, migration and angiogenesis, which was confirmed by Cell Counting kit-8, wound healing and tube formation assays in the present study. Finally, the present study indicated that miR-19b may suppress signal transducer and activator of transcription 3 (STAT3) tyrosine phosphorylation and transcriptional activity in ECs, as determined by western blot analysis and luciferase reporter assay. In conclusion, the present study revealed that increased miR-19b expression may delay unstable plaque progression in patients with UA by inhibiting EC proliferation, migration and angiogenesis via the suppression of STAT3 transcriptional activity. PMID- 29207011 TI - Astragaloside IV prevents kidney injury caused by iatrogenic hyperinsulinemia in a streptozotocin-induced diabetic rat model. AB - Diabetic patients are able to manage their blood glucose with exogenous insulin but, ultimately, remain at risk of diabetic nephropathy (DN). Long-term use of insulin may lead to iatrogenic hyperinsulinemia, which has been suggested to cause kidney injury. However, there are no effective interventions for iatrogenic hyperinsulinemia leading to kidney damage. In the present paper, the hypothesis that astragaloside IV (AS-IV), a novel saponin purified from Astragalus membranaceus (Fisch) Bunge, may prevent DN in iatrogenic hyperinsulinemic diabetic rats through antioxidative and anti-inflammatory mechanisms was investigated. Diabetes was induced with streptozotocin (STZ) (55 mg/kg) by intraperitoneal injection in rats. At 1 week following STZ injection, the diabetic rats were treated with Levemir subcutaneously for 4 weeks. Diabetic rat insulin levels >30 uU/ml were considered as iatrogenic hyperinsulinemia. Rats were divided into six groups (n=8 per group): Iatrogenic hyperinsulinemic rats, and iatrogenic hyperinsulinemic rats treated with Tempol and AS-IV at 2.5, 5 and 10 mg/kg/day, intragastric infusion, for 12 weeks. The normal rats were used as a non-diabetic control group. AS-IV ameliorated albuminuria, mesangial cell proliferation, basement membrane thickening and podocyte foot process effacement in iatrogenic hyperinsulinemic rats. In iatrogenic hyperinsulinemic rat renal tissues, malondialdehyde, interleukin-1beta (IL-1beta), tumor necrosis factor alpha (TNF-alpha), type IV collagen and laminin levels were increased, whereas glutathione peroxidase and superoxide dismutase activity levels were decreased. Nicotinamide adenine dinucleotide phosphate oxidase 4 expression and extracellular signal-regulated kinase 1/2 (ERK1/2) activation were upregulated, and canonical transient receptor potential cation channel 6 (TRPC6) protein expression was downregulated. However, all these abnormalities were attenuated by AS-IV. These findings suggested that AS-IV prevented rat kidney injury caused by iatrogenic hyperinsulinemia by inhibiting oxidative stress, IL-1beta and TNF alpha overproduction, downregulating ERK1/2 activation, and upregulating TRPC6 expression. PMID- 29207012 TI - MicroRNA-30a-5p suppresses tumor cell proliferation of human renal cancer via the MTDH/PTEN/AKT pathway. AB - The present study aimed to explore the effects of microRNA (miRNA)-30a-5p on tumor proliferation and to seek a potential therapeutic target for the treatment of human renal cancer. The results demonstrated that the expression levels of miRNA-30a-5p were reduced in tumor samples from patients with renal cancer compared with in normal tissue samples. Overall survival and disease-free survival were increased in patients with renal cancer and high miRNA-30a-5p expression compared with in those with low miRNA-30a-5p. Furthermore, overexpression of miRNA-30a-5p suppressed cell proliferation, induced apoptosis, and promoted caspase-3/9 activities and B-cell lymphoma 2-associated X protein (Bax) protein expression in Caki-2 cells. In addition, the results confirmed that overexpression of miRNA-30a-5p inhibited metadherin (MTDH), upregulated phosphatase and tensin homolog (PTEN) and suppressed phosphorylated (p)-protein kinase B (AKT) protein expression levels in Caki-2 cells. Furthermore, transfection with small interfering RNA-MTDH, increased the effects of miRNA-30a 5p on the inhibition of cell proliferation, and promotion of apoptosis, caspase 3/9 activities and Bax protein expression levels in Caki-2 cells. Knockdown of MTDH expression also upregulated PTEN and suppressed p-AKT protein expression in Caki-2 cells. In conclusion, the present study is the first, to the best of our knowledge, to provide evidence suggesting that miRNA-30a-5p suppresses tumor human renal cancer cell proliferation via the MTDH/PTEN/AKT pathway. PMID- 29207013 TI - Effects of kartogenin on the attenuated nucleus pulposus cell degeneration of intervertebral discs induced by interleukin-1beta and tumor necrosis factor alpha. AB - Cytokines are the main cause of intervertebral disc degeneration. Kartogenin (KGN) is found to protect chondrocytes from cytokines. To explore whether KGN can slow down the degeneration on intervertebral discs following exposure to interleukin-1beta (IL-1beta) and tumor necrosis factor-alpha (TNF-alpha), the expression of type II collagen (Col II) and aggrecan were detected by immunofluorescence, immunohistochemistry and tissue staining. An in vitro model of disc degeneration using human nucleus pulposus cells (hNPCs) and ex vivo culture of mouse intervertebral discs organs under the actions of inflammatory cytokines were used, and the expression of Col II and aggrecan in hNPCs were detected by semi-quantitative western blot analysis, and the mRNA expression of the genes than encode Col II and aggrecan were detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR). The results indicated that the expression of Col II and aggrecan was reduced in the degeneration models. However, the protein expressions of Col II and aggrecan were significantly elevated in hNPCs and the mouse intervertebral discs following addition of KGN. RT-qPCR results revealed that the mRNA expression of Col II and aggrecan was increased in hNPCs and mouse intervertebral discs following treatment with KGN. Thus, KGN effectively increased the expression of Col II and aggrecan in hNPCs and slowed the degeneration of intervertebral discs stimulated by IL-1beta and TNF-alpha. PMID- 29207014 TI - Necroptosis: A novel manner of cell death, associated with stroke (Review). AB - Cell death is indispensable in the physiology, pathology, growth, development, senility and death of an organism. In recent years, the identification of a highly regulated form of necrosis, known as necroptosis, has challenged the traditional concept of necrosis and apoptosis, which are two major modes of cell death. This novel manner of cell death is similar in form to necrosis in terms of morphological features, and it can also be regulated in a caspase-independent manner. Therefore, necroptosis can be understood initially as a combination of necrosis and apoptosis. The mechanism of its regulation, induction and inhibition is complicated, and involves a range of molecular expression and regulation. According to the recent literature, necroptosis takes place in the physiological regulatory processes of an organism and is involved in the occurrence, development and prognosis of a variety of diseases that have a necrosis phenotype, including neurodegenerative diseases, ischemic disease, hemorrhagic disease, inflammation and viral infectious diseases. In the present review, the features, molecular mechanism and identification of necroptosis under pathological conditions are discussed, with particular emphasis on its association with stroke. PMID- 29207015 TI - Human amniotic epithelial cells regulate osteoblast differentiation through the secretion of TGFbeta1 and microRNA-34a-5p. AB - Since the beginning of the use of stem cells in tissue regenerative medicine, there has been a search for optimal sources of stem cells. Human amniotic epithelial cells (hAECs) are derived from human amnions, which are typically discarded as medical waste, but were recently found to include cells with trilineage differentiation potential in vitro. Previous study has focused on the osteogenic differentiation ability of hAECs as seed cells in bone regeneration; however, their paracrine effects on osteoblasts (OBs) are yet to be elucidated. In the present study, conditioned medium (CM) derived from hAECs was used to determine their paracrine effects on the human fetal OB cell line (hFOB1.19), and the potential bioactive factors involved in this process were investigated. The results suggested that hAEC-CM markedly promoted the proliferation, migration and osteogenic differentiation of hFOB1.19 cells. Expression of transforming growth factor beta1 (TGFbeta1) and microRNA 34a-5p (miR-34a-5p) were detected in hAECs. Furthermore, it was demonstrated that TGFbeta1 and miR-34a-5p stimulated the differentiation of hFOB1.19 cells, and that TGFbeta1 promoted cell migration. Moreover, the effects of hAEC-CM were downregulated following the depletion of either TGFbeta1 or miR-34a-5p. These results demonstrated that hAECs promote OB differentiation through the secretion of TGFbeta1 and miR-34a-5p, and that hAECs may be an optimal cell source in bone regenerative medicine. PMID- 29207016 TI - MicroRNA-21 promotes the progression of peritoneal fibrosis through the activation of the TGF-beta/Smad signaling pathway: An in vitro and in vivo study. AB - The present study aimed to explore the roles of microRNA-21 (miR-21) and the transforming growth factor-beta (TGF-beta)/Smad signaling pathway in the development of peritoneal fibrosis (PF). First, dialysis effluents from 30 patients with PF were collected, and after the establishment of a mouse model of PF, hematoxylin and eosin (H&E) and Masson's staining were used to observe peritoneal tissues, inflammatory cells and blood vessels. High glucose was used to stimulate human peritoneal mesothelial cell lines and these stimulated cells were then transfected with miR-21 inhibitor. Immunofluorescence microscopy was applied for the observation of the transfected cells. Reverse transcription quantitative polymerase chain reaction (RT-qPCR) was used to detect the expression of miR-21, and RT-qPCR and western blot analysis were used to detect the mRNA and protein expression of Zonula occludens-1 (ZO-1), TGF-beta, Smad, vimentin and connective-tissue growth factor (CTGF). The mRNA and protein expression levels TGF-beta, Smad-3, vimentin and CTGF were elevated, while ZO-1 mRNA and protein expression was decreased with the prolonged duration of dialysis treatment in the patients with PF. The experiments using the mouse model of PF revealed that the peritoneal connective tissue was thickened, while the numbers of inflammatory cells and blood vessels were increased. The expression levels of miR-21, and the mRNA and protein expression levels of TGF-beta, Smad-3, vimentin and CTGF were increased over time, whereas the mRNA and protein expression levels ZO-1 constantly decreased in the mice in the experimental group. Moreoever, the expression of miR-21 positively correlated with the expression levels of TGF beta, Smad-3, vimentin and CTGF, while it negatively correlated with the expression of ZO-1. The results of H&E and Masson's staining revealed that miR-21 expression was associated with the degree of PF. These findings thus indicate that miR-21 promotes the progression of PF through the activation of the TGF beta/Smad signaling pathway. PMID- 29207017 TI - A common African variant of human connexin 37 is associated with Caucasian primary ovarian insufficiency and has a deleterious effect in vitro. AB - Folliculogenesis requires communication between granulosa cells and oocytes, mediated by connexin-based gap junctions. Connexin 37 (Cx37)-deficient female mice are infertile. The present study assessed Cx37 deficiency in patients with primary ovarian insufficiency (POI). A candidate gene study was performed in patients and controls from the National Genotyping Center (Evry, France) including 58 Caucasian patients with idiopathic isolated POI and 142 Caucasian controls. Direct genomic sequencing of the coding regions of the GJA4 gene (encoding Cx37) was performed with the aim to identify a deleterious variant associated with POI and absent in ethnically matched controls. A single Cx37 variant absent in the control population was identified, namely a c.946G>A heterozygous substitution leading to a p.Gly316Ser variant that was present in two POI patients. This variant was absent in all Caucasian controls from various databases, and has been observed exclusively in African populations. This variant was identified to have a dominant negative effect in HeLa cells in vitro to alter connexon function (by 67.2+/-7.17%), as determined by Gap-fluorescence recovery after photobleaching. The alteration principally resulted from a decrease of cell surface connexons due to altered trafficking (by 47.73+/-8.59%). In marked contrast to this observation, a p.Pro258Ser variant frequent in all ethnic populations in databases had no functional effect in vitro. In conclusion, the present study reported on a Cx37 variant in two Caucasian POI patients, which was absent in control Caucasian populations, and which had a deleterious effect in vitro. It is therefore suggested that in the genetic context of the Caucasian population, this variant may contribute to POI. PMID- 29207018 TI - Clinical significance of interleukin-6 and inducible nitric oxide synthase in ketamine-induced cystitis. AB - Ketamine is an ionotropic glutamatergic N-methyl-D-aspartate receptor antagonist, which is widely used among recreational drug abusers. Ketamine abusers exhibit substantially reduced bladder capacity, which can lead to urinary frequency. The molecular pathogenesis of ketamine-induced cystitis has been scarcely reported. Given previous clinical findings, it may be hypothesized that pathological alterations in smooth muscle cells (SMCs) of the urinary bladder serve a crucial role in the mechanism underlying cystitis. In the present study, two lineages of SMCs, one from differentiated foreskin-derived fibroblast-like stromal cells and the other from cultured normal aortic SMCs, were used to study ketamine-induced molecular alterations. Polymerase chain reaction was used to study the effects of ketamine on oxidative stress. The effects of adjuvant chemotherapy with cyclophosphamide (CTX) were also investigated. The results indicated that the expression levels of interleukin-6 and inducible nitric oxide synthase (iNOS) were decreased, whereas collagen expression and deposition were increased in ketamine-treated SMCs. Conversely, treatment with CTX restored the expression of iNOS, which may prevent or limit oxidative damage. In conclusion, the present study demonstrated that ketamine may induce several molecular alterations in SMCs and these changes may be associated with the clinical symptoms observed in ketamine abusers. In addition, the specific chemotherapeutic agent CTX may reverse these ketamine-induced aberrations. PMID- 29207019 TI - Stromal-epithelial lactate shuttle induced by tumor-derived interleukin-1beta promotes cell proliferation in oral squamous cell carcinoma. AB - Stromal-epithelial lactate shuttle is an essential process to support fast growing tumor cells, however, the underlying mechanism remains ambiguous. Interleukin-1beta (IL-1beta), which is a key node gene in both stromal and epithelial cells of oral squamous cell carcinoma (OSCC), may participate in this metabolic reprogramming. In the present study, anaerobic glycolysis of cancer associated fibroblasts (CAFs) was evaluated and the role of IL-1beta in regulating stromal-epithelial lactate shuttle was determined. A co-culture system of primary fibroblasts and OSCC cell lines (CAL27, UM1 or SCC25) was created to investigate the stromal-epithelial interaction. alpha-smooth muscle actin (alpha SMA) expression of fibroblasts, IL-1beta expression and cell proliferation of OSCC cells, and a series of glycolytic genes were measured. Recombinant IL-1beta treatment and IL-1beta knockdown in UM1 cells were also used to evaluate the effect of IL-1beta. Expression of alpha-SMA, glucose transporter 1, hexokinase 2, lactic dehydrogenase and mono-carboxylate transporter (MCT) 4 were significantly overexpressed in activated fibroblasts, while IL-1beta and MCT1 were upregulated in OSCC cells, indicating enhanced glycolysis in cells of the tumor stroma and a lactate shuttle to the tumor cells. Furthermore, exogenous IL-1beta induced fibroblasts to present similar expression profiles as that in the co-culture system. Silencing of IL-1beta significantly abrogated the regulatory effect of UM1 cells on stromal glycolysis. Additionally, carboxy-fluorescein succinimidyl ester cell tracing indicated that OSCC cell proliferation was accelerated during co-cultivation with fibroblasts. These results indicate that tumor-derived IL 1beta enhanced stromal glycolysis and induced one-way lactate flow from the tumor mesenchyme to transformed epithelium, which promotes OSCC proliferation. PMID- 29207020 TI - Quercetin inhibits okadaic acid-induced tau protein hyperphosphorylation through the Ca2+-calpain-p25-CDK5 pathway in HT22 cells. AB - Alzheimer's disease (AD) is a common neurodegenerative disorder characterized by aberrant tau protein hyperphosphorylation, which eventually leads to the formation of neurofibrillary tangles. Hyperphosphorylated tau protein is considered as a vital factor in the development of AD and is highly associated with cognitive impairment. Therefore, it is recognized to be a potential therapeutic target. Quercetin (QUE) is a naturally occurring flavonoid compound. In the present study, the inhibitory effect of QUE on okadaic acid (OA)-induced tau protein hyperphosphorylation in HT22 cells was explored. Western blotting results indicated that QUE significantly attenuated OA-induced tau protein hyperphosphorylation at the Ser396, Ser199, Thr231 and Thr205 sites. Further experiments demonstrated that QUE inhibited the activity of cyclin-dependent kinase 5 (CDK5), a key enzyme in the regulation of tau protein, and blocked the Ca2+-calpain-p25-CDK5 signaling pathway. These observations indicate the ability of QUE to decrease tau protein hyperphosphorylation and thereby attenuate the associated neuropathology. In conclusion, these results support the potential of QUE as a therapeutic agent for AD and other neurodegenerative tauopathies. PMID- 29207021 TI - Stromal cell-derived factor-1 induces matrix metalloproteinase expression in human endplate chondrocytes, cartilage endplate degradation in explant culture, and the amelioration of nucleus pulposus degeneration in vivo. AB - Intervertebral disc (IVD) degeneration is a strong etiological factor in chronic lower back pain. Stem cell migration toward the site of IVD degeneration for regeneration is restricted by avascularity and distance. Our previous study indicated that the expression of stromal cell-derived factor-1 (SDF-1) and its receptor, C-X-C chemokine receptor type 4 (CXCR4) was upregulated in degenerated cartilage endplate (CEP) and nucleus pulposus (NP). In the present study, SDF-1 increased CXCR4 mRNA and protein expression in human endplate chondrocytes in a dose-dependent manner. The results of reverse transcription-quantitative polymerase chain reaction, western blotting and zymography indicated that SDF-1 increased matrix metalloproteinase (MMP)-1, -3 and -13 mRNA and protein expression in human endplate chondrocytes in a dose-dependent manner. The results of zymography suggested that SDF-1 also increased MMP-2 and -9 protein expression in a dose-dependent manner. The CXCR4-specific chemical inhibitor AMD3100 significantly decreased the levels of MMP-1, -2, -3, -9 and -13 expression. In a human cartilage explant culture model, SDF-1 accelerated the degradation of extracellular matrix (ECM), and AMD3100 decreased cartilage cleavage. However, in a rat tail disc degeneration model, the injection of SDF-1 into the NP resulted in the retention of dense areas of proteoglycan matrix and enhanced NP regeneration. These results suggest that SDF-1, as an inflammatory cytokine, induces MMP expression in human endplate chondrocytes and that ECM remodeling in the CEP may be a favorable factor of endogenous stem cell homing into the NP for regeneration in vivo. PMID- 29207022 TI - Role of the c-Jun N-terminal kinase signaling pathway in the activation of trypsinogen in rat pancreatic acinar cells. AB - Bile acid causes trypsinogen activation in pancreatic acinar cells through a complex process. Additional research is required to further elucidate which signaling pathways affect trypsinogen activation when activated. the changes in the whole-genome expression profile of AR42J cells under the effect of taurolithocholic acid 3-sulfate (TLC-S) were investigated. Furthermore, gene groups that may play a regulatory role were analyzed using the modular approach of biological networks. The aim of the present study was to improve our understanding of the changes in TLC-S-stimulated AR42J cells through a genetic functional modular analysis. whole-genome expression profile chip arrays were applied to detect genes that were differentially expressed in pancreatic acinar AR42J cells treated with TLC-S for 20 min. Based on the human protein reference database, a protein-protein interaction network was obtained, which was then processed by CFinder software to derive 14 modules. Among these 14 modules, the gene ontology biological processes enrichment analysis identified two as modules of interest. Kyoto encyclopedia of genes and genomes map analysis revealed that MAP2K4, MAPK8 and FLNA are part of the c-Jun N-terminal kinase (JNK) pathway. The JNK signaling pathway is involved in regulating trypsinogen activation in rat pancreatic AR42J cells. Next, a regulatory network of seven kinase inhibitors was constructed. SP600125 is an ATP-competitive, efficient, selective and reversible inhibitor of JNK. the results were verified by four sets of experiments and demonstrated that trypsinogen activation is mediated by the JNK signaling pathway in the pathogenesis of acute pancreatitis (AP). The present study provided a useful reference for better understanding the pathogenesis of AP and identifying new targets to regulate trypsinogen activation, in addition to providing valuable information for the treatment of AP. PMID- 29207023 TI - Macrophage migration inhibitory factor promotes Warburg effect via activation of the NF-kappaB/HIF-1alpha pathway in lung cancer. AB - Macrophage migration inhibitory factor (MIF) is upregulated in various solid tumors, a process that is associated with tumor progression and metastasis. The present study aimed to investigate the role and the underlying mechanism of MIF in human lung cancer. Human lung cancer H358, H460, H524, H1650, H838, H1975 and A549 cell lines were used to examine the expression of MIF by real time quantitative polymerase chain reaction and western blotting. The lentivirus was used to overexpress MIF and the expression of MIF and hypoxia-inducible factor 1 alpha (HIF-1alpha) were knocked down by shRNA or siRNA. The proliferation of cell lines was detected by MTT assay. Glucose uptake, adenosine 5'-triphosphate (ATP) production, the glycolytic rate and lactate production were used to examine the Warburg effect in cells. BAY 11-7082 (BAY) was used to inhibit the nuclear translocation of nuclear factor-kappaB (NF-kappaB), which was detected using immunofluorescence. It was revealed that overexpression of MIF promoted cell proliferation and the Warburg effect in lung cancer, whereas knockdown of MIF inhibited cell proliferation and the Warburg effect. Mechanistically, MIF promoted the Warburg effect by upregulating HIF-1alpha. Knockdown of HIF-1alpha largely abolished the promotional effect of MIF on the Warburg effect. Additionally, the results in the current study provided evidence that MIF regulates HIF-1alpha through NF-kappaB. In conclusion, the findings of the present study demonstrated that MIF is a key component in lung cancer progression through promoting the Warburg effect, and that the novel MIF/NF-kappaB/HIF-1alpha axis may prove to be useful for the development of new strategies for treating patients with lung cancer. PMID- 29207024 TI - Geraniin protects bone marrow-derived mesenchymal stem cells against hydrogen peroxide-induced cellular oxidative stress in vitro. AB - Administration of bone marrow-derived mesenchymal stem cells (MSCs) has emerged as a potential therapeutic approach for the treatment of myocardial infarction (MI). However, the increase in reactive oxygen species (ROS) in ischemic cardiac tissue compromises the survival of transplanted MSCs, thus resulting in limited therapeutic efficiency. Therefore, strategies that attenuate oxidative stress induced damage and enhance MSC viability are required. Geraniin has been reported to possess potent antioxidative activity and exert protective effects on numerous cell types under certain conditions. Therefore, geraniin may be considered a potential drug used to modulate MSC-based therapy for MI. In the present study, MSCs were pretreated with geraniin for 24 h and were exposed to hydrogen peroxide (H2O2) for 4 h. Cell apoptosis, intracellular ROS levels and mitochondrial membrane potential were measured using Annexin V-fluorescein isothiocyanate/propidium iodide staining, the 2',7'-dichlorodihydrofluorescein diacetate fluorescent probe and the membrane permeable dye JC-1, respectively. Glutathione and malondialdehyde levels were also investigated. The expression levels of apoptosis-associated proteins and proteins of the phosphoinositide 3 kinase (PI3K)/protein kinase B (Akt) signaling pathway were analyzed by western blotting. The results demonstrated that geraniin could significantly attenuate H2O2-induced cell damage by promoting MSC survival, reducing cellular ROS production and maintaining mitochondrial function. Furthermore, geraniin modulated the expression levels of phosphorylated-Akt in a time- and dose dependent manner. The cytoprotective effects of geraniin were suppressed by LY294002, a specific PI3K inhibitor. In conclusion, the present study revealed that geraniin protects MSCs from H2O2-induced oxidative stress injury via the PI3K/Akt pathway. These findings indicated that cotreatment of MSCs with geraniin may optimize therapeutic efficacy for the clinical treatment of MI. PMID- 29207025 TI - Anti-obesity effects of pectinase and cellulase enzyme-treated Ecklonia cava extract in high-fat diet-fed C57BL/6N mice. AB - The present study investigated the anti-obesity effects of enzyme-treated Ecklonia cava extract (EEc) in C57BL/6N mice with high-fat diet (HFD)-induced obesity. The EEc was separated and purified with the digestive enzymes pectinase (Rapidase X-Press L) and cellulase (Rohament CL) and its effects on the progression of HFD-induced obesity were examined over 10 weeks. The mice were divided into 6 groups (n=10/group) as follows: Normal diet group, HFD group, mice fed a HFD with 25 mg/kg/day Garcinia cambogia extract and mice fed a HFD with 5, 25 or 150 mg/kg/day EEc (EHD groups). Changes in body weight, fat, serum lipid levels and lipogenic enzyme levels were determined. The body weight and liver weight were increased in the HFD group compared with those in the ND group, which was significantly reduced by EEc supplementation. In addition, significant reductions in epididymal, perirenal and mesenteric white adipose tissues were present in the EHD groups and all three EHD groups exhibited decreases in insulin, leptin and glutamate pyruvate transaminase levels compared with those in the HFD group. In addition, EEc treatment significantly decreased the serum and hepatic triglyceride levels compared with those in the HFD group. However, the levels of high-density lipoprotein cholesterol/total cholesterol ration increased significantly in EHD-25 and -150 groups compared with those in the HFD group. Changes in adipogenic and lipogenic protein expression in the liver was assessed by western blot analysis. The EHD-25 and -150 groups exhibited reduced levels of CCAAT/enhancer-binding protein alpha and peroxisome proliferator activated receptor gamma. However, the phosphorylation ratios of AMP-activated protein kinase and acetyl-CoA carboxylase were significantly increased in the liver tissue obtained from the EHD (5, -25 and -150 mg/kg/day) groups compared with those in the HFD group. EEc supplementation reduced levels of sterol regulatory element-binding protein-1c, adipose fatty acid-binding protein, fatty acid synthase and leptin, while it significantly increased glucose transporter type 4 and adiponectin protein levels in the liver tissues of all three EHD groups compared with those in the HFD group. Taken together, these results suggest that EEc exerts anti-obesity effects by reducing body weight and the serum and hepatic levels of obesity-associated factors. Thus, EEc supplementation reduces HFD induced obesity in C57BL/6N mice and has the potential to prevent obesity and subsequent metabolic disorders. PMID- 29207026 TI - Comparative analysis of human embryonic stem cell-derived neural stem cells as an in vitro human model. AB - Alternative cell models of human neural stem cells (hNSCs) have been developed and used for investigations ranging from in vitro experiments to in vivo clinical studies. However, a cell model capable of mimicking the 'normal' state of hNSCs is mandatory in order to extrapolate the results of these studies to humans. In the present study, to select a more suitable hNSC model for developing human based experimental platforms, two representative hNSC types were compared, namely human embryonic stem cell (hESC)-derived hNSCs and ReNcell CX cells, which are well-characterized immortalized hNSC lines. The hNSCs, differentiated from hESCs via human neuroectodermal sphere (hNES) formation, recapitulated the molecular and cellular phenotypes of hNSCs, including NSC marker expression and terminal neuronal differentiation potential. Comparative analyses of the transcriptome profiles of the hESC-derived hNESs and ReNcell CX hNSCs showed that the differentiated hNESs were analogous to the ReNcell CX cells, as demonstrated by principal component analysis and hierarchical sample clustering. The hNSC specific transcriptome was presented, comprising commonly expressed transcripts between hNESs derived from hESCs and ReNcell CX cells. To elucidate the molecular mechanisms associated with the hNSC identity, the hNSC-specific transcriptome was analyzed using pathway and functional annotation clustering analyses. The results suggested that hESC-derived hNESs, an expandable and accessible cell source, may be used as a relevant hNSC model in a wide range of neurological investigations. PMID- 29207028 TI - Role of the cofilin 2 gene in regulating the myosin heavy chain genes in mouse myoblast C2C12 cells. AB - The cofilin 2 (CFL2) and myosin heavy chain (MyHC) genes play a key role in muscle development and myofibrillar formation. The aim of the present study was to investigate the effect of CFL2 on genes involved in fiber formation and the mechanisms underlying this process. Undifferentiated and differentiated C2C12 cells (UDT and DT, respectively) were transfected with CFL2 small interfering RNA (siRNA). CFL2 mRNA and protein levels were assessed using reverse transcription polymerase chain reaction (RT-PCR) and western blotting, respectively. MyHC gene expression in UDT and signaling pathway-related factors were observed with quantitative PCR (RT-qPCR) and western blotting. Fluorescence microscopy was used to analyze the cytoskeletal effects of CFL2. The mRNA and protein expressions of CFL2, four MyHC isoforms (MyHC-I, MyHC-IIa, MyHC-IIb and MyHC-IIx), p38 mitogen activated protein kinase, cAMP-response element-binding protein, AMP-activated protein kinase alpha1, and myocyte enhancer factor 2C, were significantly decreased in UDT. However, extracellular signal-regulated kinase 2 expression was significantly increased. Slightly decreased CFL2 protein and mRNA expression was observed in DT C2C12 cells transfected with CFL2 siRNA. Fluorescence microscopy revealed a significant decrease of CFL2 in the cytoplasm, but not the nucleus, of UDT, compared with normal cells. These results indicated that the mouse CFL2 gene may be involved in the regulation of MyHC via the key signaling molecules of CFL2 related signaling pathways. PMID- 29207029 TI - Icariin possesses chondroprotective efficacy in a rat model of dexamethasone induced cartilage injury through the activation of miR-206 targeting of cathepsin K. AB - The present study aimed to investigate the articular cartilage and chondrocytes of dexamethasone (DXM)-induced cartilage injuries in rats in response to treatment with icariin, as well as the implicated molecular mechanism. Effects of icariin on bone metabolism and articular cartilage in experimental rats were investigated. Subsequently, the present study assessed dysregulated microRNA (miRNA) in the articular cartilage of experimental rats, and validated the significant miRNA and their targets. Finally, the effects of icariin on chondrocytes in experimental rats and the implicated molecular mechanism were explored. Quantitative polymerase chain reaction demonstrated that icariin significantly reversed DXM-induced bone degradation and stimulated bone regeneration. In addition, some notable changes in articular cartilage were also observed following continuous administration of icariin to DXM-treated rats, including enhanced cartilage area (revealed by safranin-O staining), substantial decrements in serum concentrations of deoxypyridinoline and C-terminal telopeptide of type II collagen, reduced expression of collagen type I and matrix metalloproteinase-13, as well as elevated expression of transforming growth factor-beta. Furthermore, miR-206 was determined to be significantly upregulated in the icariin group compared with the DXM-treated group. A luciferase assay further validated cathepsin K as the target RNA of miR-206. Additionally, icariin (100 uM) facilitated the viability of chondrocytes and reduced apoptotic chondrocytes. More importantly, icariin (100 uM) not only abolished the inhibition effect of DXM on miR-206 expression in chondrocytes, but also eliminated the enhancing effect of DXM on cathepsin K expression. Overall, the present study identified icariin as a novel therapeutic agent in DXM-induced cartilage injury in rats, and revealed that the activation of miR-206 targeting of cathepsin K may be responsible for the chondroprotective efficacy of icariin. PMID- 29207027 TI - Galectin-3 as a novel biomarker for disease diagnosis and a target for therapy (Review). AB - Galectin-3 is a member of the galectin family, which are beta-galactoside-binding lectins with >=1 evolutionary conserved carbohydrate-recognition domain. It binds proteins in a carbohydrate-dependent and -independent manner. Galectin-3 is predominantly located in the cytoplasm; however, it shuttles into the nucleus and is secreted onto the cell surface and into biological fluids including serum and urine. It serves important functions in numerous biological activities including cell growth, apoptosis, pre-mRNA splicing, differentiation, transformation, angiogenesis, inflammation, fibrosis and host defense. Numerous previous studies have indicated that galectin-3 may be used as a diagnostic or prognostic biomarker for certain types of heart disease, kidney disease and cancer. With emerging evidence to support the function and application of galectin-3, the current review aims to summarize the latest literature regarding the biomarker characteristics and potential therapeutic application of galectin-3 in associated diseases. PMID- 29207030 TI - Der f1 induces pyroptosis in human bronchial epithelia via the NLRP3 inflammasome. AB - Damage to the bronchial epithelium leads to persistent inflammation and airway remodelling in various respiratory diseases, such as asthma and chronic obstructive pulmonary disease. To date, the mechanisms underlying bronchial epithelial cell damage and death by common allergens remain largely unknown. The aim of the present study was to investigate Der f1, an allergen of Dermatophagoides farinae, which may result in the death of human bronchial epithelial cells (HBECs). Der f1 induces BECs to undergo the inflammatory cell death referred to as pyroptosis, induced by increasing lactate dehydrogenase release and propidium iodide penetration. Stimulation by Der f1 enhances interleukin (IL)-1beta cleavage and release, which is associated with caspase-1 activation. In addition, the NOD-like receptor family pyrin domain-containing 3 (NLRP3), is required for the activation of caspase-1 through increasing the formation of the inflammasome complex. Consistent with these findings, pre treatment of HBECs with a caspase-1 inhibitor, or silencing of NLRP3 by siRNA transfection, reduced Der f1-mediated IL-1beta and pyroptosis. Therefore, the common allergen Der f1 was not only found to induce allergy, but also led to pyroptosis and IL-1beta secretion via the NLRP3-caspase-1 inflammasome in HBECs. This newly identified connection of the Der f1 allergen with BEC damage and inflammation may play an important role in the pathogenesis of asthma. PMID- 29207031 TI - PRL-3 increases the aggressive phenotype of prostate cancer cells in vitro and its expression correlates with high-grade prostate tumors in patients. AB - The increased expression of phosphatase of regenerating liver-3 (PRL-3) has been shown to be associated with the aggressive and metastatic phenotype of different solid tumors. However, it is not known whether PRL-3 plays a similar role in the progression of prostate cancer (PCa). In this study, immunoblot analysis of androgen receptor (AR)-positive PCa lines (LNCaP and LNCaP-SF) revealed the constitutive cytoplasmic expression of PRL-3, and stimulation with R1881 (AR agonist) rapidly increased the nuclear translocation of PRL-3. The AR-negative cell lines exhibited negligible PRL-3 expression, and the ectopic overexpression of PRL-3 increased both the proliferative and invasive potential of PC3 and DU145 cells. In addition, we measured PRL-3 protein expression in human prostate tumor sections. A high-density prostate tumor microarray (TMA) was immunostained to assess whether PRL-3 expression and its subcellular localization (cytoplasmic and nuclear levels) is associated with the Gleason score (GS), Gleason grade (GG) and tumor stage (T-stage). Digital image analysis (DIA) revealed that PRL-3 expression was significantly higher in the malignant cores, as compared to the non-malignant areas. Increases in both total and nuclear PRL-3 levels were also associated with a higher GS and GG. Metastatic tumors (T4-stage) had lower cytoplasmic, but higher nuclear PRL-3 levels. Furthermore, the nuclear/cytoplasmic ratio for PRL-3 in the tumors graded as GS7 could effectively distinguish between indolent (3+4) and aggressive (4+3) disease. Thus, our experiments using PCa lines suggested that PRL-3 is an AR-regulated gene and its androgen-induced nuclear localization may increase the aggressive behavior of PCa cells. Furthermore, the digital analysis of immunostained tumor sections suggested that PRL-3 may be an effective biomarker of high-grade PCa, and its nuclear/cytoplasmic ratio may be used to distinguish between indolent vs. aggressive tumors. PMID- 29207032 TI - Autophagy relieves the function inhibition and apoptosis-promoting effects on osteoblast induced by glucocorticoid. AB - Autophagy may be a major mechanism by which osteoblasts (OBs) protect against the negative effects of chronic glucocorticoid (GC) usage. OBs are closely associated with the remodeling that occurs in GC-induced osteoporosis (GIO). In osteocytes, in response to stress induced by GCs, several pathways are activated, including cell necrosis, apoptosis and autophagy. However, the role of autophagy in OBs following treatment with excess GCs has not been addressed. In the current study, confocal microscopy observation of green fluorescent protein-microtubule associated protein 1 light chain 3beta (LC3) punctuate, and western blotting for LC3II and Beclin 1 were performed for detection of autophagy in the MC3T3-E1 osteoblastic cell line. Flow cytometry and western blotting were used for the examination of apoptosis and expression of BAX apoptosis regulator (Bax)/apoptosis regulator Bcl-2 (Bcl-2). The expression of genes associated with osteoblastic function, runt-related transcription factor 2, alpha-1 type 1 collagen and osteocalcin, were measured by reverse transcription-quantitative polymerase chain reaction. The results indicated that autophagy was induced in OBs during dexamethasone (Dex) treatment in a dose-dependent manner. The level of autophagy did not continue to increase over time, but peaked at 48 h and then decreased gradually. Subsequently, flow cytometry was used to demonstrate that inhibition of autophagy induced apoptosis in OBs under Dex treatment, and was associated with the upregulation of Bax and the downregulation of Bcl-2 protein expression. Furthermore, the data suggested that the inhibition of autophagy also suppressed the expression of osteoblastic genes. By contrast, the stimulation of autophagy maintained the gene expression level under Dex treatment. The data revealed that autophagy is an important regulator of osteoblastic apoptosis through its interaction with Bax/Bcl-2, and maintains the osteoblastic function of MC3T3-E1 cells following GC exposure. In addition, these results indicated that the suppression of autophagy in OBs under chronic GC therapy may increase the prevalence of GIO and fragility fractures. PMID- 29207033 TI - Epigallocatechin-3-gallate inhibits inflammation and epithelial-mesenchymal transition through the PI3K/AKT pathway via upregulation of PTEN in asthma. AB - Asthma is a chronic disease associated with hyperresponsiveness, obstruction and remodeling of the airways. Epithelial-mesenchymal transition (EMT) has an important role in these alterations and may account for the accumulation of subepithelial mesenchymal cells, thus contributing to airway hyperresponsiveness and remodeling. Epigallo-catechin-3-gallate (EGCG), which is a type of polyphenol, is the most potent ingredient in green tea, and exhibits antibacterial, antiviral, antioxidative, anticancer and chemopreventive activities. Recently, numerous studies have investigated the protective effects of EGCG against asthma and other lung diseases. In the present study, the role of EGCG in ovalbumin (OVA)-challenged asthmatic mice was determined. In addition, the inhibitory effects of EGCG against transforming growth factor (TGF)-beta1 induced EMT and migration of 16HBE cells, and the underlying mechanisms of the phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) signaling pathway, were investigated by immunofluorescence, Transwell, wound healing assay and western blot analysis, respectively. The results indicated that EGCG may suppress inflammation and inflammatory cell infiltration into the lungs of OVA-challenged asthmatic mice, and may also inhibit EMT via the PI3K/Akt signaling pathway through upregulating the expression of phosphatase and tensin homolog (PTEN) in vivo and in vitro. The present study also revealed the anti-migratory effects of EGCG in TGF-beta1-induced 16HBE cells, thus suggesting it may reduce airway remodeling. The present study provides a novel insight into understanding the protective effects of EGCG on airway remodeling in asthma, and indicates that EGCG may be useful as an adjuvant therapy for bronchial asthma. PMID- 29207034 TI - Role of inhibitor of growth 4 in the suppression of human melanoma cells through the Fas/FasL-mediated apoptosis pathway. AB - Melanoma, the most aggressive form of skin cancer, is notoriously resistant to all current available therapies. Inhibitor of growth 4 (ING4), a novel member of the ING family of proteins, has previously been shown to play a critical role in the development of multiple tumors by regulating apoptosis, proliferation, cell cycle progress, migration and invasion. However, the functional role of ING4 in human melanoma remains unclear. To fully understand its potential role in human melanoma, in the present study, lentivirus (LV)-ING4 and LV-ING4-short hairpin RNA were constructed and transfected into human melanoma A375 cells. First, the effect of overexpressing or downregulating ING4 on the apoptosis of the transfected melanoma cells and cluster of differentiation (CD)3+ T cells was investigated. In the present study, we found that the late apoptotic cells, and not the early apoptotic cells, were more in LV-ING4 group compared with LV control, and both the early and late apoptosis of CD3+ T cells was significantly observed in A375 cells transfected with LV-ING4 compared with LV-control. Importantly, it was determined whether the overexpression of ING4 significantly induce apoptotic cell death via Fas/FasL (Fas death receptor/FasL) pathway activation and downregulation of poly(ADP-ribose) polymerase, caspase-3 and caspase-8 in the melanoma cells and CD3+ T cells. These results demonstrated that overexpression of ING4 can induce the apoptosis of melanoma cells and CD3+ T cells through signaling pathways such as the Fas/FasL pathway, and that ING4 gene therapy for melanoma treatment is a novel approach. PMID- 29207035 TI - In vitro characterization of spheres derived from colorectal cancer cell lines. AB - Spherical cultures (SCs) can be regarded in cancer research as a link between in vitro investigations on cancer lines and in vivo studies of tumor development. SCs are believed to mimic tumor architecture and to be enriched in cancer stem cell-like cells (CSC-like cells). In the present study we characterized colonospheres derived from colorectal cancer (CRC) cell lines, and we confirmed the ability of HCT116 and HT29 cell lines to form spheres within serum-free medium, however, the detailed analysis presented the major differences concerning their characteristics including morphology, phenotype, proliferative potential, distribution in the cell cycle phases and spherogenicity. Moreover, after we magnetically separated CD133+ and CD133- cells we could conduct the analogical analysis as we performed for the original cells. We observed that all cellular fractions unveiled sphere formation capacity, even when cultured in limited number of cells per well and only SCs originated from CD133+ fraction resembled morphologically the parental spheres. Both CD133+ and CD133- subsets derived from HCT116 line were more enriched in cells in G0/G1 phase of the cell cycle in comparison to their HT29 analogues. Additionally, proliferative potential also varied amongst all studied fractions. Surprisingly, 3-D invasion assay revealed that only HCT116-derived populations were able to migrate into extended regions of Matrigel Matrix confirming their higher aggressiveness. Our results provided comprehensive characterization of CRC cell lines culture in adherent and spherical forms and, what seems to be the most advantageous, the comparison of two distinct fractions after magnetic separation. As we found the specific features of cells presented line- and expansion mode-dependency, thus, such complete description might appear crucial before CRC lines would be involved into sophisticated assays, especially focused on potentially novel therapeutic agents targeting CSC-like cells. PMID- 29207036 TI - Periostin has a protective role in melatonin-induced cell apoptosis by inhibiting the eIF2alpha-ATF4 pathway in human osteoblasts. AB - The present study aimed to investigate the role of periostin (POSTN) and high melatonin concentrations in the apoptosis of hFOB 1.19 human normal fetal osteoblastic cells. hFOB 1.19 human osteoblastic cells were stably cultured and treated in different concentrations of melatonin for different durations of action. Apoptosis was assessed quantitatively using flow cytometric analysis. The results of western blot analysis demonstrated that the treatment of cells with different concentrations of melatonin for different durations of action revealed a positive association between melatonin and the expression levels of glucose regulated protein (GRP)78, GRP94, phosphorylated (p-) eukaryotic initiation factor 2alpha (eIF2alpha), activating transcription factor (ATF)4, CCAAT/enhanced binding protein homologous protein (CHOP), cleaved caspase-3, p-c-Jun N-terminal kinase (JNK) and POSTN. When POSTN was inhibited, the levels of p-JNK, CHOP, p eIF2alpha, ATF4 and cleaved caspase-3 were significantly increased, whereas other proteins associated with the endoplasmic reticulum stress (ERS) pathways, including ATF6 and X-box binding protein 1 (XBP1), were not significantly altered. Reverse transcription-quantitative polymerase chain reaction analysis was also performed to assess the relative mRNA levels of ATF4, ATF6 and XBP1. The results of the present study are the first, to the best of our knowledge, to demonstrate that melatonin induced apoptosis in hFOB 1.19 human osteoblastic cells by activating the ERS-associated eIF2alpha-ATF4 pathway and subsequently triggered the cascade effects of CHOP, caspase-3 and JNK. POSTN may function as a protective factor for osteoblasts during this process by inhibiting the eIF2alpha ATF4 pathway. PMID- 29207037 TI - Anti-inflammatory effect of quercetin and galangin in LPS-stimulated RAW264.7 macrophages and DNCB-induced atopic dermatitis animal models. AB - Flavonols are compounds that have been shown to possess potent anti-inflammatory effects in cellular and animal models of inflammation. In the present study, the anti-inflammatory effects and mechanisms of two natural flavonols, quercetin and galangin, in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages were investigated. It was identified that quercetin and galangin markedly reduced the production of nitric oxide (NO), inducible NO synthase and interleukin-6, and the nuclear translocation of nuclear factor-kappaB (NF-kappaB). In addition, LPS induced activation of extracellular signal-regulated kinase 1/2 (Erk1/2) and c Jun N-terminal kinase (JNK) was suppressed by quercetin and galangin. Taken together, these data implied that NF-kappaB, Erk1/2 and JNK may be potential molecular targets of quercetin and galangin in an LPS-induced inflammatory response. Subsequently, the effects of oral administration of quercetin or galangin, either alone or in combination, in a 2,4-dinitrochlorobenzene-induced atopic dermatitis (AD) mouse model were investigated. As a result, measurements of ear thickness and the levels of serum immunoglobulin E, and histological analysis revealed that the two flavonols led to a decrease in inflammation, whereas, in combination, they were even more effective. These results suggested that quercetin and galangin may be promising therapeutic agents for AD. Additionally, their combination may be a novel therapeutic strategy for the prevention of AD. PMID- 29207038 TI - Interaction of iPSC-derived neural stem cells on poly(L-lactic acid) nanofibrous scaffolds for possible use in neural tissue engineering. AB - Tissue engineering is a rapidly growing technological area for the regeneration and reconstruction of damage to the central nervous system. By combining seed cells with appropriate biomaterial scaffolds, tissue engineering has the ability to improve nerve regeneration and functional recovery. In the present study, mouse induced pluripotent stem cells (iPSCs) were generated from mouse embryonic fibroblasts (MEFs) with the non-integrating episomal vectors pCEP4-EO2S-ET2K and pCEP4-miR-302-367 cluster, and differentiated into neural stem cells (NSCs) as transplanting cells. Electrospinning was then used to fabricate randomly oriented poly(L-lactic acid) (PLLA) nanofibers and aligned PLLA nanofibers and assessed their cytocompatibility and neurite guidance effect with iPSC-derived NSCs (iNSCs). The results demonstrated that non-integrated iPSCs were effectively generated and differentiated into iNSCs. PLLA nanofiber scaffolds were able to promote the adhesion, growth, survival and proliferation of the iNSCs. Furthermore, comp-ared with randomly oriented PLLA nanofibers, the aligned PLLA nanofibers greatly directed neurite outgrowth from the iNSCs and significantly promoted neurite growth along the nanofibrous alignment. Overall, these findings indicate the feasibility of using PLLA nanofiber scaffolds in combination with iNSCs in vitro and support their potential for use in nerve tissue engineering. PMID- 29207039 TI - Effective component of Salvia miltiorrhiza in promoting cardiomyogenic differentiation of human placenta-derived mesenchymal stem cells. AB - Our previous study indicated that Salvia miltiorrhiza (SM) induced human placenta derived mesenchymal stem cells (hPDMSCs) to differentiate into cardiomyocytes, however, the effective component of SM in promoting cardiomyogenic differentiation remained to be elucidated. In the present study, the most commonly examined components of SM, including danshensu, salvianolic acid B, protocatechuic aldehyde, tanshinone I (TS I), TS IIA and cryptotanshinone, were used to determine the effective components of SM in promoting cardiomyogenic differentiation. The above components of SM slowed cell growth rate and altered cell morphology with a spindle or irregular shape to different degrees. The cells treated with the above components of SM showed increasing of cardiac protein expression to differing degrees, including GATA-binding protein 4, atrial natriuretic factor, alpha-sarcomeric actin and cardiac troponin-I. Among the components of SM, TS IIA induced the most marked effects. In addition, the above components of SM increased the expression of phosphorylated glycogen synthase kinase-3beta, but decreased the expression of beta-catenin to different degrees, with TS IIA also having the most marked effects. In conclusion, the results of the present study suggested that TS IIA was the most effective active component of SM in inducing hPDMSCs to differentiate into cardiomyocytes, and that Wnt/beta catenin signaling was important in the process of TS IIA promoting cardiomyogenic differentiation. PMID- 29207041 TI - Mitochondria-mediated damage to dopaminergic neurons in Parkinson's disease (Review). AB - Mitochondria are important organelles in virtually all eukaryotic cells, and are involved in a wide range of physiological and pathophysiological processes. Besides the generation of cellular energy in the form of adenosine triphosphate, mitochondria are also involved in calcium homeostasis, reactive oxygen species production and the activation of the intrinsic cell death pathway, thus determining cell survival and death. Mitochondrial abnormalities have been implicated in a wide range of disorders, including neurodegenerative disease such as Parkinson's disease (PD), and considered as a primary cause and central event responsible for the progressive loss of dopaminergic neurons in PD. Thus, reversion or attenuation of mitochondrial dysfunction should alleviate the severity or progression of the disease. The present review systematically summarizes the possible mechanisms associated with mitochondria-mediated dopaminergic neuron damage in PD, in an attempt to elucidate the requirement for further studies for the development of effective PD treatments. PMID- 29207040 TI - Aryl hydrocarbon receptor inhibits inflammation in DSS-induced colitis via the MK2/p-MK2/TTP pathway. AB - The pathogenesis of inflammatory bowel disease (IBD) is believed to be associated with the abnormal expression of inflammatory factors. The aryl hydrocarbon receptor (AhR) is a ligand-dependent transcription factor, which can suppress the inflammatory response and attenuate experimental colitis. However, the detailed mechanism underlying the effects of AhR remains unclear. The present study investigated the role of AhR in the pathogenesis of IBD. Colitis was induced in mice by administration of 3% dextran sulphate sodium (DSS) for 7 days. The mice were also administered injections of the AhR agonist, 6-formylindolo(3,2 b)carbazole (FICZ), starting 2 days after the first administration of DSS. Furthermore, LoVo cells were treated with lipopolysaccharide (LPS) in the presence or absence of FICZ for 8 h. The protein expression levels of AhR, cytochrome P450 1A1 (CYP1A1) and tristetraprolin (TTP) were assessed by western blotting and immunofluorescence, whereas mRNA expression levels were assessed by reverse transcription-quantitative polymerase chain reaction. The results indicated that injection of mice with FICZ significantly attenuated DSS-induced colitis; in addition, the expression levels of inflammatory cytokines were markedly downregulated. Conversely, the expression levels of AhR and TTP were upregulated. In addition, mice in the AhR-knockout + DSS group exhibited elevated inflammatory cytokine production and developed more severe colitis. In LoVo cells, incubation with FICZ decreased the expression levels of inflammatory cytokines, whereas AhR and TTP expression was increased. In addition, the levels of phosphorylated-mitogen-activated protein kinase-activated protein kinase 2 (p MK2) were decreased. These results suggested that AhR deficiency resulted in increased susceptibility to colitis, whereas activation of AhR by FICZ could ameliorate DSS-induced colitis via the MK2/p-MK2/TTP pathway. PMID- 29207042 TI - Anti-inflammatory effect of lovastatin is mediated via the modulation of NF kappaB and inhibition of HDAC1 and the PI3K/Akt/mTOR pathway in RAW264.7 macrophages. AB - Lovastatin is a 3-hydroxy-3-methylglutaryl-CoA reductase inhibitor that is clinically used for the prevention of cardiovascular diseases. Although it has been reported that lovastatin has anti-inflammatory properties in several studies, how lovastatin regulates the inflammation is still unclear. To evaluate the effect of lovastatin on nitric oxide production (NO) in RAW264.7 macrophages, NO production assay was performed. Also, cell viability was measured to confirm cytotoxicity. Level of tumor necrosis factor-alpha (TNF-alpha) transcription was measured by reverse transcription polymerase chain reaction (RT-PCR) from total RNA in RAW264.7 cells. Western blot analysis and immunofluorescence staining were used to investigate the regulation of lovastatin on the expression, phosphorylation, and nuclear translocation of cellular proteins. The results of the present study revealed that lovastatin reduced nitric oxide production via the reduction of inducible nitric oxide synthase (iNOS) expression in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells. The mRNA level of TNF-alpha was reduced in presence of lovastatin. In addition, lovastatin downregulated histone deacetylase 1 (HDAC1), resulting in the accumulation of acetylated histone H3 and heat shock protein 70. Furthermore, the expression of phosphoinositide 3-kinase catalytic subunits alpha and beta was reduced under lovastatin treatment, and the phosphorylation of Akt and mammalian target of rapamycin was consequently inhibited. Lovastatin also inhibited the phosphorylation of inhibitor of nuclear factor (NF)-kappaBalpha and the translocation of NF-kappaB into the nucleus. Therefore, the present study demonstrates that lovastatin inhibits the expression of pro-inflammatory mediators, including iNOS and TNF-alpha, through the suppression of HDAC1 expression, PI3K/Akt phosphorylation and NF-kappaB translocation in LPS stimulated RAW264.7 macrophage cells. PMID- 29207043 TI - Naringenin induces laxative effects by upregulating the expression levels of c Kit and SCF, as well as those of aquaporin 3 in mice with loperamide-induced constipation. AB - Constipation is a common affliction which causes discomfort and affects the quality of life of affected individuals. Naringenin (NAR), a natural flavonoid widely found in citrus fruits and tomatoes, has been reported to exhibit various pharmacological effects, such as anti-inflammatory, anti-atherogenic, anti mutagenic, hepatoprotective and anticancer effects. Increasing evidence has indicated that NAR has potential for use in the treatment of constipation. Thus, the aim of this study was to evaluate the laxative effects of NAR in mice with loperamide-induced (Lop-induced) constipation. The data indicated that NAR relieved Lop-induced constipation in mice based on the changes of fecal parameters (numbers, weight and water content), the intestinal charcoal transit ratio and the histological alteration. ELISA revealed that NAR regulated the production levels of gastrointestinal metabolic components, such as motilin (MTL), gastrin (Gas), endothelin (ET), substance P (SP), acetylcholinesterase (AChE) and vasoactive intestinal peptide (VIP) in serum. The expression levels of enteric nerve-related factors, glial cell line-derived neurotrophic factor (GDNF), transient receptor potential vanilloid 1 (TRPV1), nitric oxide synthase (NOS), c-Kit, stem cell factor (SCF) and aquaporin 3 (AQP3) were examined by western blot analysis and RT-PCR analysis. The results of this study suggest that NAR relieves Lop-induced constipation by increasing the levels of interstitial cells of Cajal markers (c-Kit and SCF), as well as AQP3. Thus, NAR may be effective as a candidate in patients suffering from lifestyle-induced constipation. PMID- 29207044 TI - Ginsenoside Rg1 inhibits inflammatory responses via modulation of the nuclear factor-kappaB pathway and inhibition of inflammasome activation in alcoholic hepatitis. AB - Ginsenoside Rg1 (G-Rg1) is an active ingredient of Panax ginseng, which has previously been reported to attenuate alcohol-induced hepatic damage; however, the underlying mechanisms remain largely unknown. The present study aimed to investigate the protective effects of G-Rg1 on alcohol-induced cell injury in vitro and on a rat model of alcoholic hepatitis in vivo. For the in vitro model, L-O2 cells were incubated with ethanol in the presence or absence of G-Rg1. For the in vivo model, rats were administered ethanol by intragastric injection and were treated with G-Rg1, or dexamethasone as a control. The results indicated that serum biochemical parameters, including alanine aminotransferase, aspartate aminotransferase and total bilirubin, as well as the expression of nuclear factor (NF)-kappaB pathway-associated inflammatory cytokines, including interleukin (IL) 6, tumor necrosis factor-alpha and IL-1beta, were elevated in response to alcohol; however, they were significantly decreased by G-Rg1 treatment. Furthermore, NF-kappaB pathway activation was reduced by treatment with G-Rg1. G Rg1 also decreased oxidative stress by inhibiting cytochrome P450 2E1 expression and reactive oxygen species production, and promoting glutathione peroxidase expression. Furthermore, G-Rg1 inhibited the expression levels of caspase-3 and 8, which may be associated with decreased hepatocyte apoptosis. These data suggested that G-Rg1 may protect hepatocytes against alcohol-induced injury, through preventing excessive inflammation and hepatocellular apoptosis. PMID- 29207045 TI - Effect of Atractylodes macrocephala rhizoma on isoproterenol-induced ventricular remodeling in rats. AB - Myocardial infarction (MI) is the primary cause of ventricular remodeling (VR). The aim of the present study was to determine the effect of Atractylodis macrocephalae rhizoma (AMR) on VR induced by isoproterenol (ISO) in rats. Male Sprague Dawley rats were randomly divided into the normal control, ISO-induced and AMR groups. Rats in the ISO-induced and AMR groups were subcutaneously injected with 85 mg/kg/day ISO for two consecutive days. Compared with the ISO induced group, AMR normalized the levels of hemodynamic parameters, markedly attenuated myocardial pathological damage, decreased the level of N-terminal prohormone of brain natriuretic peptide, and inhibited cardiac hypertrophy and myocardial fibrosis. In addition, AMR inhibited oxidative stress and activation of the rennin-angiotensin-aldosterone system (RAAS) when compared with the ISO induced group. The results of the present study suggest that AMR may reverse VR via its antioxidative effect and inhibition of RAAS activation. PMID- 29207046 TI - Nano-sized titanium alloy particles inhibit the proliferation and promote the apoptosis of bone marrow mesenchymal stem cells in vitro. AB - Aseptic loosening of artificial joints is the leading cause of failure for patients who receive total joint arthroplasty. Prior reports indicate that bone marrow mesenchymal stem cells (BSMC) are critical in the stabilization of implanted artificial joints, and that deregulated interaction between BMSCs and artificial joint derived particles is a risk factor for aseptic loosening with an unknown mechanism. In the present study, the pathomechanisms whereby titanium and its alloy derived particles facilitate aseptic loosing were investigated in vitro. It was demonstrated that nano-sized titanium alloy particles significantly inhibited the proliferation of BMSCs in a time and concentration dependent manner. Furthermore, it was demonstrated that the particles promoted the apoptosis of BMSCs in the same manner. Bax and Caspase-3 expression of BMSCs were elevated when cultured with the particles. As BMSCs exhibit a critical role in the stabilization of artificial joints, the results of the present study may provide a novel direction for the management of aseptic loosening in clinics. PMID- 29207047 TI - Clinical and next-generation sequencing findings in a Chinese family exhibiting severe familial exudative vitreoretinopathy. AB - Familial exudative vitreoretinopathy (FEVR) is a rare hereditary retinal disorder characterized by the premature arrest of vascularization in the peripheral retina. The aim of the present study was to characterize the clinical presentations of a Chinese family affected by bilateral severe FEVR, and to identify the underlying genetic variations. One family that presented with bilateral FEVR was recruited for this study. Comprehensive ophthalmic examinations, including best-corrected visual acuity, slit-lamp examination, fundus photography, fundus fluorescein angiography imaging and electroretinogram were performed. Genomic DNA was extracted from leukocytes of the peripheral blood collected from the affected and unaffected family members, as well as 200 unrelated control subjects from the same population. Next-generation sequencing of the candidate genes associated with ocular diseases was performed, and the identified mutations were validated by conventional polymerase chain reaction based sequencing. The functional effects of the mutations were analyzed by polymorphism phenotyping (PolyPhen) and sorting intolerant from tolerant (SIFT). One heterozygous ATP binding cassette subfamily A member 4 (ABCA4) c.5693G>A (p.R1898H) mutation in exon 40 and one heterozygous LDL receptor related protein 5 (LRP5) c.260T>G (p.I87S) mutation in exon 2 were identified in this family. To the best of our knowledge, the ABCA4 c.5693G>A (p.R1898H) mutation has not been reported in FEVR, and the LRP5 c.260T>G (p.I87S) mutation is a novel mutation. PolyPhen and SIFT predicted that the amino acid substitution R1898H in protein ABCA4 is benign, whereas the amino acid substitution I87S in protein LRP5 is damaging. A single nucleotide polymorphism c.266A>G (p.Q89R, rs41494349) was identified in exon 2 of LRP5. These findings expand the mutation spectrums of ABCA4 and LRP5, and will be valuable for genetic counseling and development of therapeutic interventions for patients with FEVR. PMID- 29207048 TI - TLR4 promotes the expression of HIF-1alpha by triggering reactive oxygen species in cervical cancer cells in vitro-implications for therapeutic intervention. AB - The present study investigated the mechanism underlying Toll-like receptor 4 (TLR4)-mediated stimulation of hypoxia-inducible factor-1alpha (HIF-1alpha) activity and its association with reactive oxygen species (ROS) in cervical cancer cells. SiHa cells were cultured and randomized to control, lipopolysaccharide (LPS), methyl-beta-cyclodextrin (MbetaCD)+LPS, ammonium pyrrolidinedithiocarbamate (PDTC)+LPS, ST2825+LPS and small interfering (si) RNA TLR4+LPS treatment groups. Cell proliferation was quantified using an MTT assay, cell cloning was performed using soft agar colony formation and HIF-1alpha expression was detected by immunocytochemical staining and western blot analyses. Dichloro-dihydro-fluorescein diacetate and lucigenin luminescence assays were used to detect alterations in ROS and nicotinamide-adenine dinucleotide phosphate (NADPH) oxidase content, respectively. Co-localization of TLR4 and HIF-1alpha was detected by immunofluorescence staining and observed using fluorescence microscopy. Compared with the control group, cell proliferation was enhanced in the LPS-treated group and was not altered in the PDTC+LPS treatment group. Cell proliferation was reduced in all other treatment groups (P<0.05). Compared with the LPS group, cell proliferation decreased in all other groups. Compared with the PDTC+LPS treatment group, cell proliferation significantly decreased when LPS was co-administered with ST2825, siTLR4 and MbetaCD (P<0.01). Treatment with MbetaCD+LPS exhibited an increased inhibitory effect on cell activity and proliferation. Compared with the control group, HIF-1alpha expression was enhanced following treatment with LPS, although it decreased when LPS was co administered with ST2825, siTLR4 and MbetaCD (P<0.05). HIF-1alpha expression decreased following treatment with ST2825, siTLR4, MbetaCD and PDTC+LPS, compared with treatment with LPS alone. Compared with the PDTC+LPS group, HIF-1alpha activity decreased when LPS was co-administered with ST2825, siTLR4 and MbetaCD. NADPH oxidase and ROS levels increased in cells treated with LPS, compared with the control group, at 24 and 12 h following treatment, respectively, and decreased at 12 h when LPS was co-administered with ST2825, siTLR4 and MbetaCD. There was no difference between the LPS and PDTC+LPS groups with respect to NADPH and ROS levels. Compared with the PDTC+LPS group, NADPH oxidase activity and ROS content decreased when LPS was co-administered with ST2825, siTLR4 and MbetaCD. NADPH oxidase activity and ROS content were lowest in the MbetaCD+LPS treatment group, and immunofluorescent staining demonstrated that TLR4 was localized to the cell surface and HIF-1alpha was primarily localized to the cytoplasm. TLR4 was co expressed with HIF-1alpha in cervical cancer cells. The results of the present study suggested that TLR4 signaling primarily promoted HIF-1alpha activity via activation of lipid rafts/NADPH oxidase redox signaling and may be associated with the initiation and progression of cervical cancer. This promoting effect was stronger in TLR4/lipid rafts/NADPH oxidase pathway than that in TLR4-NF-kappaB signaling pathway. Therefore, the TLR4/lipid raft-associated redox signal may be a target for therapeutic intervention to prevent the growth of cervical cancer. PMID- 29207049 TI - Coordinated microRNA/mRNA expression profiles reveal a putative mechanism of corneal epithelial cell transdifferentiation from skin epidermal stem cells. AB - Skin epidermal stem cells (SESCs), which share a single origin with corneal epithelial cells (CECs), are considered to be one of the most ideal seed cells for the construction of tissue engineered corneas. However, the mechanism underlying the transdifferentiation of SESCs to CECs has not been fully elucidated. In the present study, to identify critical microRNAs (miRNAs/miRs) and genes that regulate the transdifferentiation of SESCs to CECs, SESCs and CECs were collected from sheep and used for small RNA sequencing and mRNA microarray analyses. Among the differentially expressed miRNAs and genes, 36 miRNAs were downregulated and 123 genes were upregulated in the CECs compared with those in the SESCs. miR-10b exhibited the largest change in expression between the cell types. Target genes of the 36 downregulated miRNAs were predicted and a computational approach demonstrated that these target genes may be involved in several signaling pathways, including the 'PI3K signaling pathway', the 'Wnt signaling pathway' and the 'MAPK signaling pathway', as well as in 'focal adhesion'. Comparison of these target genes to the 123 upregulated genes identified 43 intersection genes. A regulatory network of these 43 intersection genes and its correlative miRNAs were constructed, and three genes (dedicator of cytokinesis 9, neuronal differentiation 1 and activated leukocyte cell adhesion molecule) were found to have high interaction frequencies. The expression levels of 7 randomly selected miRNAs and the 3 intersection genes were further validated by reverse transcription-quantitative polymerase chain reaction. It was found that miR-10b, the Wnt signaling pathway and the 3 intersection genes may act together and serve a critical role in the transdifferentiation process. This study identified miRNAs and genes that were expressed in SESCs and CECs that may assist in uncovering its underlying molecular mechanism, as well as promote corneal tissue engineering using epidermal stem cells for clinical applications. PMID- 29207050 TI - In vitro cell behaviors of bone mesenchymal stem cells derived from normal and postmenopausal osteoporotic rats. AB - Postmenopausal osteoporosis (PMO) increases bone fragility and the risk of fractures, and impairs the healing procedure of bone defects in aged women. The stromal cell-derived factor-1alpha (SDF-1alpha)/CXC chemokine receptor type 4 (CXCR4) axis helps to maintain the biological and physiological functions of bone marrow mesenchymal stem cells (BMSCs) and increase the homing efficiency of BMSCs. The present study aimed to provide insights into the possible association between migration and osteogenic ability and the SDF-1alpha/CXCR4 axis in BMSCs derived from a rat model of PMO. In order to do this, the general and SDF 1alpha/CXCR4-associated biological characteristics as well as associated molecular mechanisms in BMSCs isolated from a PMO rat model (OVX-BMSCs) and normal rats (Sham-BMSCs) were investigated and compared. In comparison with Sham BMSCs, OVX-BMSCs exhibited an impaired osteo-genic ability, but a stronger adipogenic activity as well as a higher proliferative ability. In addition, OVX BMSCs presented a lower chemotactic activity towards SDF-1alpha, lower expression levels of CXCR4 and reduced levels of phosphorylated AKT (p-AKT). Therefore, the lower expression levels of CXCR4 and p-AKT may be responsible for the impaired osteogenic ability and lower chemotactic activity towards SDF-1alpha of OVX BMSCs. PMID- 29207051 TI - Chlorogenic acid attenuates hydrogen peroxide-induced oxidative stress in lens epithelial cells. AB - Oxidative stress has an important role in the degradation, oxidation, cross linking and aggregation of lens proteins, and can trigger lens epithelial cell apoptosis. To investigate the protective effect of chlorogenic acid (CGA) against hydrogen peroxide (H2O2)-induced oxidative stress, human lens epithelial cells (hLECs) were exposed to various concentrations of H2O2 in the presence and absence of CGA. Using MTT assay, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and ELISA techniques, cell viability, and protein/mRNA levels of BCL2 apoptosis regulator (Bcl-2) and BCL2 associated X apoptosis regulator (Bax) were investigated. Additionally, the levels of intracellular reactive oxygen species (ROS) and apoptosis within cells were measured using flow cytometry to determine the protective effect of CGA on H2O2-induced oxidative stress. Furthermore, the protective effect of CGA on H2O2-induced apoptosis was also examined using rabbit lenses ex vivo. The results indicated that CGA reduced H2O2-induced cytotoxicity in a dose-dependent manner. Flow cytometry analysis demonstrated that simultaneous exposure of hLECs to H2O2 and CGA significantly decreased apoptosis and the levels of ROS. RT-qPCR analysis revealed a decrease in Bcl-2 and an increase in Bax in hLECs following exposure to H2O2 for 24 h, regardless of CGA presence. Furthermore, ELISA results indicate that CGA increased Bcl-2 expression and decreased Bax expression following treatment with H2O2 for 24 h and the Bax/Bcl-2 ratio was significantly decreased by CGA treatment. Lens organ culture experiments indicated a dose-dependent decrease in H2O2-induced lens opacity following CGA treatment. These results suggest that CGA suppresses hLECs apoptosis and prevents lens opacity induced by H2O2 via Bax/Bcl 2 signaling pathway. CGA may provide effective defenses against oxidative stress and, thus, hasigma potential as treatment for a variety of diseases in clinical practice. PMID- 29207052 TI - Molecular expression of multiple Nav1.5 splice variants in the frontal lobe of the human brain. AB - Voltage-gated sodium channels serve an essential role in the initiation and propagation of action potentials for central neurons. Previous studies have demonstrated that two novel variants of Nav1.5, designated Nav1.5e and Nav1.5f, were expressed in the human brain cortex. To date, nine distinct sodium channel isoforms of Nav1.5 have been identified. In the present study, the expression of Nav1.5 splice variants in the frontal lobe of the human brain cortex was systematically investigated. The results demonstrated that wild Nav1.5 and its splice variants, Nav1.5c and Nav1.5e, were expressed in the frontal lobe of the human brain cortex. Nav1.5a, Nav1.5b and Nav1.5d splice variants were not detected. However, the expression level of different Nav1.5 variants was revealed to vary. The expression ratio of wild Nav1.5 vs. Nav1.5c and Nav1.5e was approximately 5:1 and 1:5, respectively. Immunochemistry results revealed that Nav1.5 immunoreactivity was predominantly in neuronal cell bodies and processes, including axons and dendrites, whereas little immunoreactivity was detected in the glial components. These results revealed that a minimum of four Nav1.5 splice variants are expressed in the frontal lobe of the human brain cortex. This indicates that the previously reported tetrodotoxin-resistant sodium current was a compound product of different Nav1.5 variants. The present study revealed that Nav1.5 channels have a more abundant expression in the human brain than previously considered. It also provided further insight into the complexity and functional significance of Nav1.5 channels in human brain neurons. PMID- 29207053 TI - Diagnostic significance and potential function of miR-338-5p in hepatocellular carcinoma: A bioinformatics study with microarray and RNA sequencing data. AB - MicroRNA (miR)-338-5p has been studied in hepatocellular carcinoma (HCC); however, the diagnostic value and molecular mechanism underlying its actions remains to be elucidated. The present study aimed to validate the diagnostic ability of miR-338-5p and further explore the underlying molecular mechanism. Data from eligible studies, Gene Expression Omnibus (GEO) chips and The Cancer Genome Atlas (TCGA) datasets were gathered in the data mining and the integrated meta-analysis, to evaluate the significance of miR-338-5p in diagnosing HCC comprehensively. The potential target genes of miR-338-5p were achieved from the intersection of the deregulated targets of miR-338-5p from GEO and TCGA in addition to the predicted target genes from 12 online software. A protein-protein interaction (PPI) network was drawn to illustrate the interaction between target genes and to define the hub genes. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed to investigate the function of the target genes. From the results, miR-338-5p exhibited favorable value in diagnosing HCC. Types of sample and experiment were defined as the possible sources of heterogeneity in meta-analysis. A total of 423 genes were selected as the potential target genes of miR-338-5p, and five genes were defined as the hub genes from the PPI network. The GO and KEGG analyses indicated that the target genes were significantly assembled in the pathways of metabolic process and cell cycle. miR-338-5p may function as a novel diagnostic target for HCC through regulating certain target genes and signaling pathways. PMID- 29207054 TI - Use of methylation profiling to identify significant differentially methylated genes in bone marrow mesenchymal stromal cells from acute myeloid leukemia. AB - The present study aimed to characterize the epigenetic architecture by studying the DNA methylation signature in bone marrow mesenchymal stem cells (BM-MSCs) from patients with acute myeloid leukemia (AML). Microarray dataset GSE79695 was downloaded from the Gene Expression Omnibus database. Differentially methylated sites and differentially methylated CpG islands were identified in BM-MSC samples from patients with AML compared with controls. MicroRNAs (miRs) encoding genes covering differentially methylated sites were found and the regulation network was constructed. Pathway enrichment analysis of hypermethylated genes and hypomethylated genes was performed, followed by protein-protein interaction (PPI) network construction. Moreover, the identified differentially methylated genes were compared with the leukemia-related marker/therapeutic genes from the literature. Overall, 228 hypermethylated CpG site probes covering 183 gene symbols and 523 hypomethylated CpG sites probes covering 362 gene symbols were identified in the BM-MSCs from AML patients. Furthermore, 4 genes with CpG island hypermethylation were identified, including peptidase M20 domain containing 1 (PM20D1). The hsa-miR-596-encoding gene MIR596 was found to be hypermethylated and the regulation network based on hsa-miR-596 and its targets (such as cytochrome P450 family 1 subfamily B member 1) was constructed. Hypermethylated and hypomethylated genes were enriched in different Kyoto Encyclopedia of Genes and Genomes pathways, including 'hsa05221: Acute myeloid leukemia' and 'hsa05220: Chronic myeloid leukemia', which the hypomethylated gene mitogen-activated protein kinase 3 (MAPK3) was involved in. In addition, MAPK3, lysine demethylase 2B and RAP1A, member of RAS oncogene family were hubs in the PPI network of methylated genes. In conclusion, PM20D1 with hypermethylation of CpG islands may be associated with the energy expenditure of patients with AML. Furthermore, the aberrantly hypermethylated miR-159-encoding gene MIR159 may be a potential biomarker of AML. PMID- 29207055 TI - Therapeutic effects of conditioned medium from bone marrow-derived mesenchymal stem cells on epithelial-mesenchymal transition in A549 cells. AB - Pulmonary fibrosis (PF) is a chronic lung disease. The transforming growth factor beta1 (TGF-beta1)/Smad3 signaling pathway plays an important role in the pathogenesis of pulmonary fibrosis. Bone marrow-derived mesenchymal stem cells (BMSCs) have been shown to be a modulator of the molecular aspects of the fibrosis pathway. However, it is still unknown as to whether the conditioned medium from BMSCs (BMSCs-CM) inhibits the epithelial-mesenchymal transition (EMT) process. This study confirmed the hypothesis that BMSCs-CM exerts an anti fibrotic effect on human type II alveolar epithelial cells (A549) by suppressing the phosphorylation of Smad3. We used the A549 cells in vitro to detect morphological evidence of EMT by phase-contrast microscopy. These cells were randomly divided into 4 groups as follows: the control group, the TGF-beta1 group, the SIS3 (specific inhibitor of Smad3) group and the BMSCs-CM group. The immunofluorescence method was used to determined the location of E-cadherin (E calcium mucins; E-cad), alpha-smooth muscle actin (alpha-SMA) and p-Smad3. The expression levels of E-cad, CK8, alpha-SMA, vimentin, p-Smad3, Snail1, collagen I (COLI) and collagen III (COLIII) were detected by western blot analysis. Following exposure to TGF-beta1, the A549 cells displayed a spindle-shaped fibroblast-like morphology. In accordance with these morphological changes, the expression levels of E-cad and CK8 were downregulated, while the expression levels of alpha-SMA and vimentin were upregulated. Along with this process, the expression levels of p-Smad3, Snail1, COLI and COLIII were increased. However, the cells in the BMSCs-CM group and SIS3 group exhibited a decrease in the levels of alpha-SMA and vimentin (which had been upregulated by TGF-beta1), and an increase in the levels of E-cad and CK8 expression (which had been downregulated by TGF-beta1). On the whole, these results indicated that BMSCs-CM suppressed the EMT which might be associated with TGF-beta1/Smad3. This study provides the theoretical basis for the research of the mechanisms responsible for pulmonary disease. PMID- 29207056 TI - Different roles of Akt and mechanistic target of rapamycin in serum-dependent chondroprotection of human osteoarthritic chondrocytes. AB - Despite various animal serums being used widely to culture chondrocytes, the regulatory mechanism of serum on chondrocyte activities has not been elucidated. In the present study, human osteoarthritis (OA) chondrocytes were used to perform in vitro investigations on the effect of different concentrations of bovine fetal serum on extracellular matrix synthesis, cell proliferation and autophagy using the Cell Counting Kit-8 analysis, a laser-scanning confocal microscope, and western blot analysis. The results demonstrated that 5% serum exerted a chondroprotective effect more than the other concentrations of serum, as it simultaneously promoted cell proliferation, autophagy, and ECM synthesis in human OA chondrocytes. Furthermore, the decreased mechanistic target of rapamycin (mTOR) and increased Akt were observed in 5% serum-treated OA chondrocytes. Either mTOR or Akt inhibitor influenced the effect of 5% serum on cell proliferation and autophagy in human OA chondrocytes, which was associated with LC-3B or B-cell lymphoma-2 (Bcl-2) signal molecules. Consistent with previous studies, the present study proposes that 5% serum promotes cell proliferation via the Akt/Bcl-2 axis and induces autophagy via the mTOR/LC-3B axis in human OA chondrocytes. Furthermore, the different roles of Akt and mTOR in the cell processes of human OA chondrocytes require consideration for preclinical and clinical therapy of OA. PMID- 29207057 TI - Molecular mechanism and targeted therapy of Hsp90 involved in lung cancer: New discoveries and developments (Review). AB - The exploration of the molecular mechanisms and signaling pathways on lung cancer is very important for developing new strategies of diagnosis and treatment to this disease, such as finding valuable lung cancer markers and molecularly targeted therapies. Previously, a number of studies disclose that heat shock protein 90 (Hsp90) is upregulated in cancer cells, tissues and serum of lung cancer patients, and its upregulation intimately correlates with the occurrence, development and outcome of lung cancer. On the contrary, inhibition of Hsp90 can suppress cell proliferation, motility and metastasis of lung cancer and promote apoptosis of lung cancer cells via complex signaling pathways. In addition, a series of Hsp90 inhibitors have been investigated as effective molecular targeted therapy tactics fighting against lung cancer. This review, systematically summarizes the role of Hsp90 in lung cancer, the molecular mechanisms and development of anti-Hsp90 treatment in lung cancer. PMID- 29207058 TI - Protective effect of baicalin against severe burn-induced remote acute lung injury in rats. AB - Baicalin exhibits antibacterial, anti-viral, anti-oxidative, antipyretic, analgesic, anti-inflammatory and anti-tumor properties. The chemical scavenges oxygen free radicals, protects the cardiovascular system and neurons, protects the liver, and has been used for the prevention and treatment of diabetes associated complications. The present study investigated the effect of baicalin on severe burn-induced remote acute lung injury (ALI). The present study demonstrated that baicalin significantly decreased the lung wet-to-dry weight ratio, improved pulmonary histological alterations and reduced the expression of high mobility group protein B1 in the rat model of ALI. In addition, treatment with baicalin decreased tumor necrosis factor-alpha, interleukin (IL)-8, IL-1beta and IL-18 concentrations in the serum, reduced myeloperoxidase activity and malondialdehyde content, and increased the level of superoxide dismutase in the serum in treated model rats with ALI. As a result, baicalin significantly suppressed nucleotide-binding oligomerization, NACHT, LRR and PYD domains containing protein 3 (NLRP3), caspase-1, nuclear factor-kappaB and matrix metalloproteinase-9 protein expression in the rat model of ALI. The results of the present study suggested that baicalin may serve a protective role against ALI in rats through the NLRP3 signaling pathway. PMID- 29207059 TI - Therapeutic effect of adipose-derived stem cell transplantation on optic nerve injury in rats. AB - Adipose-derived stem cells (ADSCs) are mesenchymal stem cells in adipose tissue. ADSCs may differentiate into cells and tissues of different embryonic germ layers under specific inducing conditions. Previous studies have demonstrated that Schwann cells transformed from ADSCs can express nerve growth factors, generate nerve fibers and promote axonal regeneration in models of peripheral nerve injury. Stem cell transplantation is one of the potential techniques for the treatment of retinal ganglion cell injury. The present study developed an optic nerve crush injury rat model to investigate the therapeutic effect of fat stem cell transplantation on optic nerve injured rats. Retinal morphological changes were observed on day 3, 7, 14, 21 and 28 following optic nerve injury. It was determined that the number of retinal ganglion cells (RGCs) decreased with time following optic nerve injury; however, the number of RGCs in the stem cell transplantation group was higher compared with the buffer control group. The results of reverse transcription-quantitative polymerase chain reaction also demonstrated that the growth associated protein 43 mRNA expression level of the stem cell transplantation group was higher compared with the buffer control group. Apoptosis tests demonstrated that the stem cell transplantation group was able to resist the apoptosis of retinal cells. The present study demonstrated that in vivo transplantation of ADSCs can improve the survival rate of RGCs in rats with optic nerve injury and to resist the apoptosis of retinal cells. PMID- 29207060 TI - Honokiol induces autophagy and apoptosis of osteosarcoma through PI3K/Akt/mTOR signaling pathway. AB - Honokiol is the main active constituent of Magnolia officinalis. With effective and long-term pharmacological functions of being antibacterial, anti-oxidative, anti-inflammatory, antitumor, anti-spasmic, anti-anxiety and anti-viral, Honokiol is clinically used in the treatment of acute enteritis and chronic gastritis. The aim of the present study was to observe the possible anti-effects of honokiol on autophagy and apoptosis of osteosarcoma, and to investigate the role of the PI3K/Akt/mTOR signaling pathway in its anticancer effects. MTT assay was used to evaluate cell proliferation and Annexin V-fluorescein isothiocyanate/propidium iodide staining flow cytometry was used to analyze the apoptotic rate. The authors identified that honokiol could inhibit cell proliferation and induce the apoptotic rate of osteosarcoma cells. The expression level of Bcl-2-like protein 4, caspase-3 and p53 protein expression were induced and cyclin D1 protein expression was suppressed in osteosarcoma cells by honokiol. Autophagy-associated LC3II protein expression level was promoted, and PI3K, p-Akt and p-mTOR protein expression level was suppressed in osteosarcoma cells by honokiol. The present study demonstrated, to the best of the authors' knowledge, for the first time that honokiol induces autophagy and apoptosis of osteosarcoma cells through the PI3K/Akt/mTOR signaling pathway. PMID- 29207061 TI - Neurochemical changes in the hippocampus and prefrontal cortex associated with electroacupuncture for learning and memory impairment. AB - Electroacupuncture (EA) has been widely used to treat cognitive impairment following cerebral ischemia. However, the functional mechanisms of EA have not been fully elucidated. The aim of the present study was to investigate whether EA at the GV 20 and DU 24 acupoints can improve the learning and memory ability via alteration of the neurochemical metabolism in the hippocampus (HPC) and prefrontal cortex (PFC) of rats with ischemia and reperfusion (I/R) injury. Sprague-Dawley male rats were randomly divided into three groups, namely the sham group (n=12), the middle cerebral artery occlusion (MCAO) group (n=12) and the EA treatment (MCAO + EA) group (n=12). MCAO was performed to establish the left focal cerebral I/R injury model, and the GV 20 and DU 24 acupoints were then stimulated with EA for 30 min per time, once daily, for 7 consecutive days. The Morris water maze (MWM) test was used to assess learning and memory ability. T2 weighted imaging was used to assess the cerebral infarct volume. Magnetic resonance spectroscopy was used to assess neurochemical metabolism of HPC and PFC. The neurological scores of the MCAO + EA group were significantly reduced compared with those of the MCAO group 7 days after EA treatment (P<0.01). The escape latency of the MWM test in the MCAO + EA group was found to be shorter compared with that in the MCAO group (P<0.01). The number of rats crossing through the platform area was significantly higher in the MCAO + EA group compared with that in the MCAO group (P<0.01). The cerebral infarct volume was also decreased in the MCAO + EA group compared with the MCAO group (P<0.05). The ratios of N-acetylaspartate (NAA)/creatine (Cr) and choline (Cho)/Cr of left-to right HPC were increased in the MCAO + EA group compared with the MCAO group; however, the ratio of glutamate (Glu)/Cr did not change significantly (P>0.05). The ratios of NAA/Cr, Cho/Cr and Glu/Cr of left-to-right PFC were elevated (P<0.05). In conclusion, EA at the GV 20 and DU 24 acupoints may ameliorate learning and memory ability, possibly through increasing the levels of NAA and Cho in the HPC and PFC of rats with I/R injury. PMID- 29207062 TI - Sevoflurane inhibits the malignant potential of head and neck squamous cell carcinoma via activating the hypoxia-inducible factor-1alpha signaling pathway in vitro. AB - Sevoflurane, an inhalational anesthetic, is extensively used during oral cancer surgery. However, the effect of sevoflurane on head and neck squamous cell carcinoma (HNSCC) remains unclear. The objective of the present study was to investigate the effects of sevoflurane on the proliferation, apoptosis and invasion in HNSCC cell lines and the underlying molecular mechanism. The Cell Counting Kit-8 assay was used to evaluate cell proliferation. Apoptosis was analyzed by flow cytometry. Cell invasion was evaluated using the Transwell invasion assay. The expression levels of Akt, p-Akt (Ser473), hypoxia-inducible factor-1alpha (HIF-1alpha), Fas and Bcl-2 were measured by western blotting. Significant inhibition of cell proliferation and induction of apoptosis were observed in FaDu and CAL-27 cells following sevoflurane treatment. The expression of Akt, p-Akt (Ser473) and Bcl-2 was supressed, while that of Fas was significantly increased, which was partly associated with the activation of the HIF-1alpha pathway. In addition, the results revealed a statistically significant inhibition of cell invasion in the FaDu cell line following exposure to 2 and 4% sevoflurane for 2, 4, 6 and 8 h. Therefore, the present study demonstrated that sevoflurane decreased the malignant behavior of HNSCC cell lines in vitro, which was associated with activation of the HIF-1alpha pathway. PMID- 29207063 TI - Forskolin attenuates retinal inflammation in diabetic mice. AB - The present study aimed to investigate the effect of forskolin on retinal inflammation under diabetic conditions. C57BL/6 mice were randomly divided into normal control, diabetic control and forskolin treatment groups. The diabetic model was established by intraperitoneal injection of streptozotocin. The forskolin treatment group received intragastrical administration of forskolin for 12 weeks, the other two groups received an equal amount of PBS. At 21 weeks following diabetic induction, an immunoblotting test was conducted to investigate the expression of two inflammatory factors: Intercellular adhesion molecule-1 (ICAM-1) and tumor necrosis factor-alpha (TNF-alpha). Glucose concentration was additionally calculated. A leukostasis assay was utilized to compare microvasculature pathological alterations. It was demonstrated that retinal glucose concentration of diabetic control and forskolin treatment were both increased compared with normal control, however the forskolin treatment group was only ~68.06% of the diabetic control due to downregulated glucose transporter 1 expression. The expression of ICAM-1 and TNF-alpha were upregulated in the forskolin treatment and diabetic control groups compared with the normal control, however these two inflammatory factor expression levels in the forskolin treatment group were ~68.75 and 75.37% of diabetic control. It was additionally observed that there were less adherent leukocytes in retinal microvasculature in the forskolin treatment group compared with diabetic control. All the differences observed were significant. Overall, by means of limiting glucose transport into the retina via forskolin, the retinal environment with lower glucose concentration alleviates the inflammatory response under diabetic conditions. PMID- 29207064 TI - Quinalizarin exerts an anti-tumour effect on lung cancer A549 cells by modulating the Akt, MAPK, STAT3 and p53 signalling pathways. AB - Quinalizarin may be a potential chemical agent for cancer therapy, as it exerts anti-tumour effects against a variety of different types of cancer. However, the underlying regulatory mechanism and signalling pathways of quinalizarin in lung cancer cells remains unknown. The present study sought to investigate the effects of quinalizarin on proliferation, apoptosis and reactive oxygen species (ROS) generation in lung cancer. MTT assays were used to evaluate the effects of quinalizarin on the viability of lung cancer A549, NCI-H460 and NCI-H23 cells. Flow cytometry was employed to evaluate the effects of quinalizarin on the cell cycle, apoptosis and ROS generation in A549 cells. Western blotting was performed to detect cell cycle and apoptosis-associated protein expression levels in A549 cells. Quinalizarin inhibited A549, NCI-H460 and NCI-H23 cell proliferation and induced A549 cell cycle arrest at the G0/G1 phase. Quinalizarin induced apoptosis by upregulating the expression of B-cell lymphoma 2 (Bcl-2)-associated agonist of cell death, cleaved-caspase-3 and cleaved-poly (adenosine diphosphate-ribose) polymerase, and downregulating the expression of Bcl-2. Furthermore, quinalizarin activated mitogen-activated protein kinase (MAPK) and p53, and inhibited the protein kinase B and signal transducer and activator of transcription-3 (STAT3) signalling pathways. In addition, quinalizarin increased ROS generation. The ROS scavenger N-acetyl-L-cysteine restored quinalizarin-induced cell apoptosis, and inactivated the MAPK and STAT3 signalling pathways. The results of the present study demonstrated that quinalizarin induces G0/G1 phase cell cycle arrest and apoptosis via ROS mediated-MAPK and STAT3 signalling pathways. PMID- 29207065 TI - Estrogen inhibits the overgrowth of Escherichia coli in the rat intestine under simulated microgravity. AB - Microgravity can affect many aspects of intestinal homeostasis, leading to an increased risk of colitis. Estrogen, the most frequently affected hormone when under simulated microgravity, regulates the permeability of the colonic mucosa barrier. The associations between alterations in intestinal microbiota and increased susceptibility under microgravity have not been thoroughly elucidated. The aim of the present study was to evaluate the changes in intestinal microbiota under simulated microgravity and to investigate the protective effect of estrogen against those changes. The hindlimb unweighting (HU) model was used to simulate microgravity in rats. Estrogen was administered via intramuscular injection. Amplicons of the V3 variable regions of bacterial 16S rDNA were analyzed using denaturing gradient gel electrophoresis (DGGE), cloning and sequencing. Several specific bacterial groups were assayed using quantitative-polymerase chain reaction. Bacterial translocation was evaluated by detecting serum lipopolysaccharide (LPS) and LPS binding protein (LBP) levels. DGGE profiles generated by universal primers revealed minor, though specific, changes in bacterial communities under simulated microgravity, particularly the band matching the sequence of Escherichia coli (E. coli). The quantification of 16S RNA revealed increased numbers of Bacteroides fragilis, E. coli and Fusobacterium nucleatum; however, Bifidobacteria longum significantly decreased under microgravity. Estrogen inhibited the overgrowth of E. coli, and decreased the levels of LBS and LBP under simulated microgravity. These results demonstrated that simulated microgravity alters the intestinal microflora and may contribute to bacterial translocation in the gut mucosa. The data also suggested that further investigations evaluating the administration of estrogen to protect against microgravity-associated diseases may be required. PMID- 29207066 TI - Erythropoietin induces the osteogenesis of periodontal mesenchymal stem cells from healthy and periodontitis sources via activation of the p38 MAPK pathway. AB - Erythropoietin (Epo), a hematopoietic hormone, has multiple biological functions. Recently, the positively osteogenic effects of Epo on mesenchymal stem cells (MSCs) have attracted broad interest. However, the effects of Epo on the osteogenesis of human periodontal ligament tissue-derived mesenchymal stem cells (hPDLSCs) and periodontitis mesenchymal stem cells (pPDLSCs) from patients with periodontitis remain unknown. In the present study, osteogenic effects of Epo on hPDLSCs and pPDLSCs were investigated, and the results suggested that the effects were mediated by promoting the expression of runt related transcription factor 2, alkaline phosphatase (ALP) and osteocalcin. Using Alizarin Red and ALP staining, it was demonstrated that Epo exerted positive osteogenic effects on hPDLSCs and pPDLSCs. Additionally, Epo upregulated the proliferation of hPDLSCs and pPDLSCs, based on flow cytometric analyses of the cell cycle. To determine the underlying mechanism, the role of the p38 mitogen-activated protein kinase (MAPK) pathway, which is associated with the osteogenesis of hPDLSCs and pPDLSCs, was investigated further. Epo increases p38 phosphorylation (the target of the MAPK pathway) in hPDLSCs and pPDLSCs. Furthermore, when the cells were treated with SB203580, an inhibitor of the p38 MAPK pathway, the osteogenic effects of Epo on hPDLSCs and pPDLSCs were attenuated. In conclusion, Epo may upregulate the bone formation ability of hPDLSCs and pPDLSCs via the p38 MAPK pathways. PMID- 29207068 TI - Role of DDAH/ADMA pathway in TGF-beta1-mediated activation of hepatic stellate cells. AB - Asymmetric dimethylarginine (ADMA) is catalyzed by the enzyme dimethylarginine dimethylaminohydrolase (DDAH) in humans, and the role for ADMA has been associated with hepatic fibrogenesis. Transforming growth factor-beta (TGF-beta) has been shown to mediate the myofibroblastic transformation of quiescent hepatic stellate cells (HSCs), a pivotal step in liver fibrogenesis. However, the underlying molecular mechanisms are not well understood. Accumulation of ADMA due to low activity of DDAH has been reported to be associated with liver damage and hepatic fibrosis. In this study, the role of the DDAH/ADMA pathway in the TGF beta1-induced HSC activation was assessed. Freshly harvested primary HSCs from rat liver were used in this study. It was demonstrated that TGF-beta1 treatment significantly suppressed the DDAH protein expression and activity, and increased levels of ADMA in the culture medium of rat primary HSCs. Notably, the TGF-beta1 mediated effects on DDAH/ADMA were significantly abrogated by the p38 mitogen activated protein kinase specific inhibitor, SB203580. Furthermore, it was demonstrated that excessive ADMA led to an increase in the number of TGF-beta1 positive HSCs and induced the expression of alpha-smooth muscle actin and collagen type I in rat primary HSCs. In addition, rat primary HSCs exposed to excessive ADMA showed a significant increase in the expressions of alpha-SMA and collagen type I. Finally, it was revealed that ADMA treatment promoted the proliferation of rat primary HSCs. In conclusion, the results obtained from the study suggest a potentially novel role for the ADMA/DDAH1 signaling pathway in TGF-beta1-induced HSC activation, and along with the studies of others, suppression of the ADMA/DDAH1 pathway may be an alterative approach for the treatment of liver fibrosis. PMID- 29207067 TI - High glucose/lysophosphatidylcholine levels stimulate extracellular matrix deposition in diabetic nephropathy via platelet-activating factor receptor. AB - Platelet-activating factor (PAF), protein kinase C (PKC)betaI, transforming growth factor (TGF)-beta1 and aberrant extracellular matrix (ECM) deposition have been associated with diabetic nephropathy (DN). However, the mechanistic basis underlying this association remains to be elucidated. The present study investigated the association among the aforementioned factors in a DN model consisting of human mesangial cells (HMCs) exposed to high glucose (HG) and lysophosphatidylcholine (LPC) treatments. HMCs were divided into the following treatment groups: Control; PAF; PAF+PKCbetaI inhibitor LY333531; HG + LPC; PAF + HG + LPC; and PAF + HG + LPC + LY333531. Cells were cultured for 24 h, and PKCbetaI and TGF-beta1 expression was determined using the reverse transcription quantitative polymerase chain reaction and western blotting. The expression levels of the ECM-associated molecules collagen IV and fibronectin in the supernatant were detected using ELISA analysis. Subcellular localization of PKCbetaI was assessed using immunocytochemistry. PKCbetaI and TGF-beta1 expression was increased in the PAF + HG + LPC group compared with the other groups (P<0.05); however, this effect was abolished in the presence of LY333531 (P<0.05). Supernatant fibronectin and collagen IV levels were increased in the PAF + HG + LPC group compared with the others (P<0.05); this was reversed by treatment with LY333531 (P<0.05). In cells treated with PAF, HG and LPC, PKCbetaI was translocated from the cytosol to the nucleus, an effect which was blocked when PKCbetaI expression was inhibited (P<0.05). The findings of the present study demonstrated that PAF stimulated ECM deposition in HMCs via activation of the PKC-TGF-beta1 axis in a DN model. PMID- 29207069 TI - Stimulation of chondrocytes and chondroinduced mesenchymal stem cells by osteoinduced mesenchymal stem cells under a fluid flow stimulus on an integrated microfluidic device. AB - The aim of the present study was to investigate the stimulation of osteoinduced mesenchymal stem cells (MSCs) into chondrogenically predifferentiated MSCs and chondrocytes in a mechanical environment. A novel two-layer microfluidic chip was used to mimic the interstitial flow in the superficial zones of articular cartilage. The morphology, proliferation rate and the expression of collagen I, collagen II and aggrecan of chondrocytes and chondro-MSCs were investigated. The results revealed that the cells in the bottom layer were influenced by the top layer's osteoinduced MSCs and the bottom layer's shear flow. The expression of collagen I, which may signify the effect of the shear stress on the dedifferentiation change, was weakened by the stimulation of osteoinduced MSCs on the top layer. The expression of collagen II and aggrecan was increased in the fluidic environment by osteoinduced MSCs. These results indicate that osteoinduced MSCs have a significant effect on the phenotype of chondro-MSCs and chondrocytes in the fluidic microenvironment. The present study described a simple and promising way to rapidly evaluate cell responses to other cells in a fluidic environment, which may help to better promote the utilization of MSCs and chondrocytes in tissue engineering. PMID- 29207070 TI - KIF9-AS1, LINC01272 and DIO3OS lncRNAs as novel biomarkers for inflammatory bowel disease. AB - Long non-coding RNAs (lncRNAs) are a novel group of non-coding RNAs that are associated with inflammation and tumorigenesis. At present, the diagnostic efficacy of lncRNAs in inflammatory bowel disease (IBD) is unclear. The present study aimed to identify lncRNAs that may be used as potential biomarkers for IBD. The mRNA expression levels of various lncRNAs (KIF9-AS1, LINC01272 and DIO3OS) were detected in tissue and plasma samples from patients with IBD by reverse transcription-quantitative polymerase chain reaction. The results indicated that the mRNA expression levels of KIF9-AS1 and LINC01272 were significantly upregulated in tissue and plasma samples from patients with IBD compared with in the healthy controls; conversely, the mRNA expression levels of DIO3OS were significantly downregulated in tissue and plasma samples from patients with IBD compared with in the healthy controls. Subsequently, the specificity and sensitivity of KIF9-AS1, LINC01272 and DIO3OS were determined using a receiver operating characteristic (ROC) curve analysis. The results indicated that KIF9 AS1, LINC01272 and DIO3OS had potential diagnostic value for the detection of IBD. Furthermore, there were significantly positive correlations in KIF9-AS1, LINC01272 and DIO3OS expression between IBD tissue and plasma samples. Therefore, the present study indicated that KIF9-AS1, LINC01272 and DIO3OS may be potential diagnostic biomarkers for IBD. PMID- 29207071 TI - Hepatocellular carcinoma-targeted nanoparticles for cancer therapy. AB - Nanocarriers, such as liposomes, have the potential to increase the payload of chemotherapeutic drugs while decreasing toxicity to non-target tissues; such advantageous properties can be further enhanced through surface conjugation of nanocarriers with targeting moieties. We previously reported that SP94 peptides, identified by phage display, exhibited higher binding affinity to human hepatocellular carcinoma (HCC) than to hepatocytes and other normal cells. Here, we confirm the tumor-targeting properties of SP94 peptide by near-infrared fluorescence imaging. Non-targeted PEGylated liposomal doxorubicin (LD) and SP94 conjugated PEGylated liposomal doxorubicin (SP94-LD) were compared by assessing pharmacokinetics, tissue distribution, and antitumor efficacy in xenograft bearing mice, in order to investigate the effectiveness of SP94-mediated targeting for cancer therapy. SP94-LD demonstrated a significant increase in drug accumulation in tumors, while its plasma residence time was the same as its non targeted equivalent. Consistent with this result, conjugation of targeting peptide SP94 enhances the therapeutic efficacy of liposomal doxorubicin in mouse models with hepatocellular carcinoma xenografts. Furthermore, combination targeted therapy exhibited a significant enhancement against orthotopic tumor growth, and markedly extended the survival of mice compared with all other treatments. Our study shows that SP94-mediated targeting enhances antitumor efficacy by improving tumor pharmacokinetics and tissue distribution, allowing large amounts of antitumor drugs to accumulate in tumors. PMID- 29207072 TI - Transcription factor TBX18 promotes adult rat bone mesenchymal stem cell differentiation to biological pacemaker cells. AB - Bone mesenchymal stem cells (BMSCs) are currently considered the optimal stem cells for biological pacemaker cell transformation. The cardiac-specific transcription factor T-Box protein 18 (TBX18) is essential for sinoatrial node (SAN) formation, particularly formation of the head region that generates the electrical impulses that induce heart contraction. The present study aimed to confirm the effects of TBX18 on biological pacemaker differentiation of rat BMSCs. Flow cytometry was used to identify the surface markers of BMSCs, in order to acquire pure mesenchymal stem cells. Subsequently, BMSCs were transduced with TBX18 or green fluorescent protein adenovirus vectors. The effects of TBX18 were evaluated using SAN-specific makers including TBX18, alpha-actin, cardiac troponin I, hyperpolarization-activated cyclic nucleotide-gated channel 4 and connexin 43 by reverse transcription-quantitative polymerase chain reaction, western blotting and immunofluorescence. The findings demonstrated that direct conversion of BMSCs to biological pacemaker cells via TBX18 is a feasible method in the field of cardiology. PMID- 29207073 TI - P2X7 receptor antagonist protects retinal ganglion cells by inhibiting microglial activation in a rat chronic ocular hypertension model. AB - Microglial activation and the release of pro-inflammatory cytokines occur during early glaucoma. However, the exact mechanism underlying the initiation of the microglial activation process remains unclear. Thus, the present study investigated the potential role of a purine receptor subtype, the P2X purinoceptor 7 (P2X7) receptor, during microglial activation in the retinal tissues of a rat chronic ocular hypertension (COH) model. This was achieved by cauterizing 3 of the 4 episcleral veins. Microglial activation and caspase-1 upregulation were observed in COH rat retinas by immunohistochemical and western blotting techniques. Intravitreal injection of 2',3'-O-(4-benzoylbenzoyl)-ATP (BzATP), a P2X7 receptor agonist, induced microglial activation in normal rat retinal tissues, which was alleviated by pretreatment with the P2X7 receptor antagonist, Brilliant Blue G (BBG). BBG further attenuated caspase-1 increment in COH rat retinal tissues. The data demonstrated that BBG reduced TUNEL-positive retinal ganglion cells in whole-mount retinal tissues with COH and normal retinal tissues following intravitreal injection with BzATP. One may conclude that the P2X7 receptor may be involved in microglial activation in the COH retina and could be considered a target for neuronal protection in glaucoma. PMID- 29207074 TI - Establishment of a novel hepatic steatosis cell model by Cas9/sgRNA-mediated DGKtheta gene knockout. AB - To investigate the role of diacylglycerol kinase theta (DGKtheta) in lipid metabolism and insulin resistance, the present study generated an in vitro hepatic steatosis cell model by knockout of the DGKtheta gene in liver cancer cell line HepG2 using CRISPR/Cas9 technology. The cell line was characterized by Oil Red O staining and shown to exhibit increased intracellular lipid accumulation, compared with that in wild-type liver cancer cell line HepG2. The gene expression levels of signaling proteins in pathways involved in lipid metabolism, insulin resistance and gluconeogenesis were also examined. The DGKtheta-knockout HepG2 cells showed increased mRNA and protein expression levels of lipid synthesis-related genes, fatty acid synthase, peroxisome proliferator activated receptor-gamma and sterol regulatory element-binding protein-1c, and decreased expression levels of the lipolysis-related gene, carnitine palmitoyltransferase1A. These changes may account for the increased intracellular lipid content of this cell line. The DGKtheta-knockout HepG2 cells also exhibited an increased phosphorylation level of protein kinase Cepsilon and decreased phosphorylation levels of insulin receptor substrate 1, mechanistic target of rapamycin and protein kinase B (also known as Akt). These changes have been reported to mediate insulin resistance. Taken together, an in vitro hepatic steatosis cell model was established in the present study, providing a valuable tool for understanding the pathogenesis of nonalcoholic fatty liver disease and associated insulin resistance, and for developing treatment strategies for this disease. PMID- 29207075 TI - Blocking interleukin-6 signaling inhibits cell viability/proliferation, glycolysis, and colony forming activity of human medulloblastoma cells. AB - Elevated levels of the pro-inflammatory cytokine interleukin-6 (IL-6) have tumor promoting activity and are associated with poor survival outcomes in many cancers. Additionally, the IL-6/GP130/STAT3 axis has been widely studied due to its pivotal role in tumor development and maintenance in a number of tissue types, including the cerebellum. However, the connection between IL-6 signaling and medulloblastoma progression is largely unexplored. In the present study, we observed that IL-6 induced medulloblastoma cell viability, cell proliferation and glycolysis. Furthermore, it also upregulated the expression of phosphorylated STAT3, indicating that the IL-6/GP130/STAT3 pathway plays a central role in medulloblastoma. The FDA-approved drug bazedoxifene, a blocker of the formation of the hexameric IL-6/IL-6R/GP130 complex, was re-purposed in this study to inhibit the IL-6/GP130/STAT3 signaling pathway. Bazedoxifene not only inhibited IL-6 mediated cell viability and cell proliferation, and increased phosphorylated STAT3 expression, but it also decreased cell glycolysis, demonstrating a certain level of therapeutic efficacy in vitro. Collectively, our findings offer new insight into the molecular mechanism underlying the biological aggressiveness of medulloblastoma, the roles of IL-6 in these processes and a possible efficacious adjuvant therapy for medulloblastoma. PMID- 29207077 TI - Investigation of the pro-apoptotic effects of arbutin and its acetylated derivative on murine melanoma cells. AB - Arbutin, a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses whitening and anticancer properties. The effects of arbutin on melanogenesis and its pro-apoptotic effect on B16 murine melanoma cells have not yet been reported. In the present study, acetylated arbutin was prepared in order to improve the biological effects of arbutin, and it was found to significantly inhibit the biosynthesis of melanin and tyrosinase activity compared with parent arbutin in B16 murine melanoma cells. Interestingly, only acetylated arbutin strongly inhibited B16 murine melanoma cell migration in a dose-dependent manner. Both arbutin and acetylated arbutin significantly reduced cell viability, promoted cell apoptosis, caused G1 cell cycle arrest and induced mitochondrial disruption in B16 murine melanoma cells. Furthermore, reduced expression of B cell lymphoma-extra large (Bcl-xL) and Bcl-2 were observed in arbutin- and acetylated arbutin-treated cells. Therefore, arbutin and acetylated arbutin were found to exert pro-apoptotic effects on B16 murine melanoma cells, mediated through the mitochondrial pathway. The findings of the present study also support the use of acetylated arbutin as a new potential candidate agent for skin whitening and melanoma treatment. PMID- 29207076 TI - Antiangiogenic effects of catalpol on rat corneal neovascularization. AB - To investigate the effects of catalpol on corneal neovascularization (CNV) and associated inflammation, eye drops (5 mM catalpol or PBS) were administered four times daily to alkali-burn rat models of CNV and inflammation. Clinical evaluations of CNV and the degree of inflammation were performed on days 0, 4, 7, 10 and 14 under slit lamp microscopy. Eyes were collected on day 14 and prepared for hematoxylin and eosin, and immunofluorescence staining; corneal cell apoptosis was investigated via terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) staining. Protein expression levels of angiogenic and proinflammatory factors, including vascular endothelial growth factor (VEGF), pigment epithelium-derived factor (PEDF), tumor necrosis factor-alpha (TNF-alpha) and necrosis factor-kappaB (NF-kappaB) were determined by western blotting. The effects of catalpol on cell proliferation were investigated in vitro using human umbilical vein endothelial cells (HUVECs) and a Cell Counting kit-8 (CCK-8); alterations in migration and tube formation were investigated via HUVEC wound closure and tube formation assays. HUVEC viability and proliferative ability were inhibited in a dose-dependent manner; catalpol also decreased HUVEC cell migration and tube forming ability. Within alkali-burn rat models, decreased inflammation and CNV was associated with catalpol administration; as demonstrated with TUNEL, corneal cell apoptosis was decreased in response to catalpol. Western blot analysis revealed reduced protein expression levels of VEGF and TNF-alpha; however, PEDF and phosphorylated-NF-kappaB p65 were increased due to catalpol administration. The present study demonstrated the inhibitory effects exerted by catalpol on CNV and inflammation within alkali-burned rat models. Topical application of catalpol in vivo was associated with reduced CNV and inflammation; therefore, catalpol may be considered an anti-inflammatory agent for the clinical treatment of CNV. PMID- 29207078 TI - Characterizing key nucleotide polymorphisms of hepatitis C virus-disease associations via mass-spectrometric genotyping. AB - As more than 80% of hepatocellular carcinoma patients in Japan also suffer from hepatitis C virus infections some time in their medical history, identifying genetic aberrations associated to hepatitis C virulence in these individuals remains a high priority in the diagnosis and treatment of hepatocellular carcinoma. From the BioBank Japan Project, we acquired 480 subjects of hepatocellular carcinoma, chronic hepatitis and liver cirrhosis, and genotyped 131 clinically relevant host single nucleotide polymorphisms to survey the potential association between certain risk alleles and genes to a patient's predisposition to hepatitis C and liver cancer. Among those polymorphisms, we found 12 candidates with statistical significance to support association with hepatitis C virus susceptibility and genetic predisposition to hepatocellular carcinoma. SNPs in genes such as XPC, FANCA, KDR and BRCA2 also suggested likely connections between hepatitis C virus susceptibility and the contraction of liver diseases. Single nucleotide polymorphisms reported here provided suggestions for genes as biomarkers and elucidated insights briefing the linkage of hepatitis C virulence to the alteration of healthy liver genomic landscape as well as liver disease progression. PMID- 29207079 TI - Molecular basis of coronary artery dilation and aneurysms in patients with Kawasaki disease based on differential protein expression. AB - Kawasaki disease (KD) is an acquired cardiac disease with a high incidence that affects children. KD has various complications, including coronary artery dilation (CAD) and coronary artery aneurysms (CAA). The identification of differentially expressed proteins and the underlying mechanisms may be the key to understanding differences between these KD complications. In the present study, isobaric tags for relative and absolute quantitation were used to identify variations in serum proteins between KD patients with CAD and CAA. In total, 87 (37 upregulated and 50 downregulated) and 65 (33 upregulated and 32 downregulated) significantly differentially-expressed proteins were identified in comparisons between control samples (healthy individuals) and those obtained from patients with KD and with CAD or CAA. Investigation into the underlying biological process revealed that variations between the two complications were associated with the wound healing response, as well as lipoprotein- and cholesterol-associated processes. Important proteins involved in the formation of the wound healing signaling network were identified via enriched biological processes and pathway analysis using ClueGo and ReactomeFIViz software. In the present study, 5 significantly differentially-expressed proteins, including mannose binding lectin 2 (MBL2), complement factor H (CFH), kininogen 1 (KNG1), serpin family C member 1 (SERPINC1) and fibronectin 1 (FN1), were selected and confirmed by western blotting. Analysis indicated that these proteins were associated to immunity, inflammation and metabolism, serving a key role within each module, which has never been reported previously. The present study proposed that MBL2, CFH, KNG1, SERPINC1 and FN1 may be a potentially excellent indicator group for distinguishing the two major KD complications, CAD and CAA. PMID- 29207080 TI - Effect of puerarin on collagen metabolism of fibroblasts in pelvic tissue of women with pelvic organ prolapse. AB - The aim of the present study was to investigate the protective effect of puerarin on pelvic organ prolapse (POP) and the underlying mechanisms that regulate the metabolism of human parametrial ligament fibroblasts (HPLFs). HPLFs obtained from the pelvic tissue of patients with (n=10) or without (n=8) POP during hysterectomy were isolated by enzymatic digestion and subsequently identified by immunocytochemistry in a previous study of the authors. Following this, cultured HPLFs were treated with 0.01, 0.10 or 1.00 mmol/l puerarin, followed by detection of proliferation rate by Cell Counting kit-8 assay. Following incubation with puerarin for 48 h, mRNA and protein expression levels of tissue inhibitor of metalloproteinase-1 (TIMP-1), matrix metalloproteinase (MMP)-2 and -9, and collagen (COL)I and III in HPLFs were quantified by reverse transcription quantitative polymerase chain reaction, and western blot and gelatin zymography analyses, respectively. MMP-2 and -9 expression levels were increased, whereas expression levels of TIMP-1, and COL I and III were decreased, in patients with POP compared with healthy controls. Following puerarin treatment, the expression levels of TIMP-1, and COL I and III were enhanced, whereas MMP-2 and -9 were inhibited. In conclusion, the present study demonstrated evidence increased degradation of the extracellular matrix in pelvic tissues of patients with POP compared with controls, and the protective effect of puerarin against POP via its anti-degradation effect on collagen. These results provide evidence for puerarin as a novel approach for the treatment of POP. PMID- 29207081 TI - Increased serum protein levels by Yuanshi Shengmai Chenggu Tablet in treatment of avascular osteonecrosis of the femoral head. AB - The traditional Chinese medicine (TCM) Yuanshi Shengmai Chenggu Tablet is used for treating the common orthopedic disease, hormone-induced avascular necrosis of the femoral head (ANFH) in China. However, its underlying mechanism and the changes induced in the treatment of ANFH remain to be fully elucidated. In the present study, through the use of isobaric Tag for Relative and Absolute Quantitation and multiple reaction monitoring quantifications, corticosteroid induced femoral head necrosis and the effects of treatment with Yuanshi Shengmai Chenggu Tablet were examined. The aim was to identify serum proteins, which may be potential serum markers for the early clinical diagnosis of ANFH, and maybe used to develop more rapid and convenient detection strategies. A total of five proteins were identified, comprising Ig mu chain C region, keratin, type I cytoskeletal 9, properdin, apolipoprotein A-IV, and IQ and AAA domain-containing protein 1. The expression levels of all five proteins were lower in ANFH and were higher following TCM treatment. These findings were confirmed using ELISA and western blot analysis. PMID- 29207082 TI - Autophagy regulates proliferation and biliary differentiation of hepatic oval cells via the MAPK/ERK signaling pathway. AB - Hepatic oval cells (HOCs) are thought to possess self-renewal ability and a bipotential capacity for differentiation, which allows them to differentiate into hepatocytes and cholangiocytes. Autophagy serves an important role in self renewal and differentiation of stem cells; however, how autophagy contributes to proliferation and differentiation of hepatic progenitor cells has yet to be elucidated. In the present study, autophagy was regulated by rapamycin (Rapa) and chloroquine (Chlo) administration. The results demonstrated that Chlo-treated HOCs exhibited decreased autophagic activity alongside a decreased tendency to proliferate, as determined by Cell Counting Kit-8. In addition, activation of autophagy by Rapa enhanced the biliary differentiation of HOCs. Furthermore, increased phosphorylated (p)-extracellular signal-regulated kinase (ERK)/p-p38 expression was observed following the induction of autophagy, thus indicating that the mitogen-activated protein kinase (MAPK)/ERK signaling pathway was activated by autophagy to exert effects on the stimulation of HOC proliferation and differentiation. In conclusion, the present study demonstrated that autophagy regulates proliferation and biliary differentiation of HOCs via the MAPK/ERK signaling pathway. These results suggest a role for autophagy in stimulating the proliferation and differentiation of HOCs. PMID- 29207083 TI - A type 2 diabetes-associated SNP in KCNQ1 (rs163184) modulates the binding activity of the locus for Sp3 and Lsd1/Kdm1a, potentially affecting CDKN1C expression. AB - Although genome-wide association studies have shown that potassium voltage-gated channel subfamily Q member 1 (KCNQ1) is one of the genes that is most significantly associated with type 2 diabetes mellitus (T2DM), functionally annotating disease-associated single nucleotide polymorphisms (SNPs) remains a challenge. Recently, our group described a novel strategy to identify proteins that bind to SNP-containing loci in an allele-specific manner. The present study successfully applied this strategy to investigate rs163184, a T2DM susceptibility SNP located in the intronic region of KCNQ1. Comparative analysis of DNA-binding proteins revealed that the binding activities for the genomic region containing SNP rs163184 differed between alleles for several proteins, including Sp3 and Lsd1/Kdm1a. Sp3 preferentially bound to the non-risk rs163184 allele and stimulated transcriptional activity in an artificial promoter containing this region. Lsd1/Kdm1a was identified to be preferentially recruited to the non-risk allele of the rs163184 region and reduced Sp3-dependent transcriptional activity in the artificial promoter. In addition, expression of the nearby cyclin dependent kinase inhibitor 1C (CDKN1C) gene was revealed to be upregulated after SP3 knockdown in cells that possessed non-risk alleles. This suggests that CDKN1C is potentially one of the functional targets of SNP rs163184, which modulates the binding activity of the locus for Sp3 and Lsd1/Kdm1a. PMID- 29207084 TI - Promoter hypermethylation may contribute to E-cadherin repression in the human salivary carcinoma ex pleomorphic adenoma. AB - The role of promoter methylation in the inactivation of E-cadherin (CDH1) in salivary carcinoma ex pleomorphic adenoma (CXPA) is unknown. The objective of this study was to determine the role and potential clinical implications of CDH1 promoter methylation in salivary CXPA. The CDH1 promoter methylation status was determined by bisulfite sequencing PCR in 37 primary CXPA tissues and 2 CXPA cell lines. E-cadherin expression levels were determined by immunohistochemical analysis of each tumor. E-cadherin protein levels and CDH1 mRNA levels were examined by immunoblotting and quantitative real-time PCR, respectively, in 2 CXPA cell lines. Cells were treated with 5-Aza-dC or TGF-beta1 to test the influence of promoter methylation on CDH1 mRNA and protein expression. Associations between CDH1 molecular alterations and patients' clinicopathologic characteristics and prognosis were statistically evaluated. CDH1 promoter hypermethylation was detected in 21 of 37 tumors (56.76%). Of these 37 tumors, 13 tumors (35.14%) showed low E-cadherin expression. Tumors that had CDH1 promoter methylation had a histological tendency toward luminal differentiation (P=0.004), high tumor grade (P=0.005), high T stage (P=0.024) and high TNM stage (P=0.038) compared with tumors that did not. The two CXPA cell lines exhibited an inverse relationship between CDH1 promoter methylation status and CDH1 mRNA and protein expression. Treatment of the hypermethylated cell line with 5-Aza-dC restored CDH1 mRNA and E-cadherin protein expression. The induction of hypermethylation by TGF-beta1 resulted in the repression of CDH1 mRNA and protein expression. CDH1 is commonly silenced in CXPA through promoter methylation. CDH1 methylation is closely related to tumor cell differentiation, histological grade, lymph node metastasis and advanced TNM stage, indicating that CDH1 methylation may play a role in the initiation and progression of CXPA. PMID- 29207085 TI - Chronic prenatal hypoxia impairs cochlear development, a mechanism involving connexin26 expression and promoter methylation. AB - Chronic prenatal hypoxia is a damaging to fetal development and may have various consequences, including hearing loss. Connexin 26 (Cx26) is one of the major protein subunits required for gap junction formation, and has an important role in maintaining homeostasis in the cochlea and normal hearing. Cx26 mutation and expression abnormality are closely associated with inherited nonsyndromic deafness, but the association between Cx26 and prenatal hypoxia is less established. The present study aimed to examine Cx26 expression and aberrant methylation the Cx26 promoter region in the cochlea from rats exposed to chronic prenatal hypoxia. Hematoxylin and eosin staining demonstrated that the number of hair cells in the organ of Corti were less in the hypoxia group. Reverse transcription-quantitative polymerase chain reaction and western blot analysis revealed that protein and mRNA levels of Cx26 were decreased in the hypoxia group compared with the control group. Further bisulfite sequencing analysis revealed that prenatal hypoxia significantly increased the methylation status of the promoter region of the Cx26 gene. These results demonstrate that chronic prenatal hypoxia caused hearing impairment, and suggest that promoter region hypermethylation and expression downregulation of Cx26 underlie the mechanism of action. PMID- 29207086 TI - Tan IIA inhibits H1299 cell viability through the MDM4-IAP3 signaling pathway. AB - Tanshinone IIA (Tan IIA), as a bioactive compound extracted from the dried roots of Salvia miltiorrhiza (also known as Danshen), is known to inhibit cancer cell proliferation and induce apoptosis. However, the mechanisms underlying the function of Tan IIA in cancer cell apoptosis remain to be elucidated The aim of the present study was to identify the molecular mechanisms underlying the anti cancer effects of Tan IIA in p53-deficient H1299 cells. Tan IIA was demonstrated to suppress murine double minute 4 (MDM4) expression in a time- and dose dependent manner through the inhibition of MDM4 mRNA synthesis. Tan IIA-induced downregulation of MDM4 resulted in an increase of P73alpha and a decrease of inhibitor of apoptosis 3 (IAP3). However, P73alpha was not activated as two P73alpha target genes, BCL2 binding component 3 and phorbol-12-myristate-13 acetate-induced protein 1, were not significantly induced. Tan IIA-induced inhibition of IAP3 expression may be involved in Tan IIA-induced apoptosis and inhibition of H1299 cell viability. Notably, a combination of Tan IIA and doxorubicin (DOX) exposure resulted in further MDM4 overexpression in H1299 cells, indicating that Tan IIA sensitized p53-deficient and MDM4-overexpressing H1299 cells to DOX-induced apoptosis. PMID- 29207087 TI - p-STAT3 in luminal breast cancer: Integrated RNA-protein pooled analysis and results from the BIG 2-98 phase III trial. AB - In the present study, in order to investigate the role of signal transducer and activator of transcription 3 (STAT3) in estrogen receptor (ER)-positive breast cancer prognosis, we evaluated the phosphorylated STAT3 (p-STAT3) status and investigated its effect on the outcome in a pooled analysis and in a large prospective adjuvant trial. By using the TCGA repository, we developed gene signatures that reflected the level of p-STAT3. Using pooled analysis of the expression data from luminal breast cancer patients, we assessed the effects of the p-STAT3 expression signature on prognosis. We further validated the p-STAT3 prognostic effect using immunohistochemistry (IHC) and immunofluorescence staining of p-STAT3 tissue microarrays from a large randomised prospective trial. Our analysis demonstrated that p-STAT3 expression was elevated in luminal A-type breast cancer (Kruskal-Wallis test, P<10e-10) and was significantly associated with a good prognosis (log-rank, P<10e-10). Notably, the p-STAT3 expression signature identified patients with a good prognosis irrespective of the luminal subtype (log-rank: luminal A, P=0.026; luminal B, P=0.006). p-STAT3 staining by IHC in the stroma or tumour was detected in 174 out of 610 ER-positive samples (28.5%) from the BIG 2-98 randomised trial. With a median follow-up of 10.1 years, p-STAT3 was associated with a reduced risk of recurrence in ER positive/HER2-negative breast cancer (Cox univariate HR, 0.66; 95% CI, 0.44-0.98; P=0.04). On the whole, our data indicate that p-STAT3 is associated with an improved outcome in ER-positive breast cancer. PMID- 29207088 TI - Liposome encapsulated luteolin showed enhanced antitumor efficacy to colorectal carcinoma. AB - Luteolin is a falconoid compound that is present in various types of plants and possesses remarkable potential as a chemopreventive agent. However, the poor aqueous solubility of luteolin limits its clinical application. In the present study, an approach towards chemoprevention was explored using liposomes to deliver luteolin, and the antitumor efficacy was investigated in colorectal carcinoma. The present findings demonstrated that luteolin was efficiently encapsulated into liposomes with an encapsulation efficiency as high as 90%. The particle size of the liposomal luteolin (Lipo-Lut) and zeta-potential were optimized. In vitro studies demonstrated that, Lipo-Lut had a significant inhibitory effect on the growth on the CT26 colorectal carcinoma cell line compared with free luteolin (Free-Lut). The in vivo study indicated that Lipo-Lut could achieve superior antitumor effects against CT26 tumor compared with luteolin alone. The present results suggested that liposome delivery of luteolin improved solubility, bioavailability and may have potential applications in chemoprevention in clinical settings. PMID- 29207089 TI - Overexpression of p16ink4a regulates the Wnt/beta-catenin signaling pathway in pancreatic cancer cells. AB - The pathogenesis and etiology of pancreatic cancer remain to be fully elucidated; therefore, associated investigations are required to improve the outcome and prognosis of patients. In the present study, the effects of the overexpression of p16ink4a on the Wnt/beta-catenin signaling pathway were investigated in pancreatic cancer cell lines. Two pancreatic cancer cell lines, Bxpc-3 and Miapaca-2, characterized by low expression of p16ink4a, were transfected with the pc-DNA3.0-p16ink4a plasmid. After 24 h, Reverse transcription-polymerase chain reaction and western blot analyses were performed to evaluate the expression of p16ink4a, beta-catenin, which is a key molecule in the Wnt/beta-catenin signaling pathway, c-myc and cyclin D1, which are molecules downstream of beta-catenin. The expression of p16ink4a was significantly upregulated in the transfected cells. Consequently, the expression of beta-catenin was inhibited, whereas the expression levels of c-myc and cyclin D1 were not altered significantly. The increased expression of p16ink4a may affect the activity of Wnt/beta-catenin signaling through modulation of the expression of beta-catenin. The results of the present study provide information for the future development of targeted treatments for pancreatic cancer. PMID- 29207090 TI - Long intergenic non-coding RNA-p21 mediates cardiac senescence via the Wnt/beta catenin signaling pathway in doxorubicin-induced cardiotoxicity. AB - Doxorubicin (Dox)-induced cardiotoxicity has been a well-known phenomenon to clinicians and scientists for decades. It has been confirmed that Dox-dependent cardiotoxicity is accompanied by cardiac cellular senescence. However, the molecular mechanisms underlying Dox cardiotoxicity remains to be fully elucidated. Long non-coding (lnc) RNAs regulate gene transcription and the fate of post-transcriptional mRNA, which affects a broad range of age-associated physiological and pathological conditions, including cardiovascular disease and cellular senescence. However, the functional role of lncRNAs in Dox-induced cardiac cellular senescence remains largely unknown. Using the reverse transcription-quantitative polymerase chain reaction method, the present study indicated that long intergenic non-coding (linc) RNA-p21 was highly expressed in Dox-treated HL-1 murine cardiomyocytes. Dox-induced cardiac senescence was accompanied by decreased cellular proliferation and viability, increased expression of p53 and p16, and decreased telomere length and telomerase activity, while these effects were relieved by silencing endogenous lincRNA-p21. We found that lincRNA-p21 interacted with beta-catenin and that silencing beta-catenin abolished the anti-senescent effect of lincRNA-p21 silencing. It was observed that modulating lincRNA-p21 to exert an anti-senescent effect was dependent on decreasing oxidant stress. To conclude, the present findings suggest that lincRNA p21 may be involved in Dox-associated cardiac cellular senescence and that silencing lincRNA-p21 effectively protects against Dox cardiotoxicity by regulating the Wnt/beta-catenin signaling pathway and decreasing oxidant stress. Furthermore, modulating lincRNA-p21 may have cardioprotective potential in patients with cancer receiving Dox treatment. PMID- 29207091 TI - Fibroblast activation protein-alpha in tumor cells promotes colorectal cancer angiogenesis via the Akt and ERK signaling pathways. AB - Fibroblast activation protein-alpha (FAP-alpha) is a cell surface serine protease of the post-prolyl peptidase family, and stromal FAP-alpha expression may serve important functions in tumor occurrence and progression. In recent years, FAP alpha expression in tumor cells has been detected in a number of types of tumor, and its roles in tumor growth and metastasis have been reported. However, the presence of FAP-alpha in colorectal cancer (CRC) cells lacks sufficient evidence and its role in angiogenesis remains unknown. The present study confirmed FAP alpha expression in CRC cells at the tissue and cellular level, using immunohistochemistry and western blot analysis, respectively; it additionally identified that FAP-alpha in CRC cells was positively associated with vascular endothelial growth factor (VEGF)-A expression and microvessel density in stained tissue samples for the first time. In addition, western blotting identified that FAP-alpha overexpression in SW1116 cells significantly upregulated VEGF-A expression, and silencing of FAP-alpha in HT29 cells markedly inhibited VEGF-A expression. Survival analysis demonstrated that patients with high expression of FAP-alpha and VEGF-A had the shortest survival time. To detect the effects of FAP alpha on human umbilical vein endothelial cells (HUVECs), conditioned medium (CM) from CRC cell lines was used and it was identified that CM from SW1116 cells with overexpressed FAP-alpha exhibited significantly increased VEGF-R2, phosphorylated extracellular signal-regulated kinase (p-ERK) and p-RAC-alpha serine/threonine protein kinase (Akt) in HUVECs, in addition to the proliferation rate. Conversely, CM from HT29 cells with FAP-alpha silenced exhibited a significantly inhibited proliferation rate. Molecular mechanism analysis demonstrated that p ERK and p-Akt in SW1116 and HT29 cells were affected by alterations in FAP-alpha expression, and treatment with a p-ERK inhibitor (U0126) and p-Akt inhibitor (LY294002) ameliorated VEGF-A upregulation induced by FAP-alpha overexpression. All the results confirmed the presence of FAP-alpha in CRC cells and suggested that FAP-alpha may effectively promote angiogenesis in CRC via the Akt and ERK signaling pathways. PMID- 29207092 TI - Lycium barbarum polysaccharide arbitrates palmitate-induced apoptosis in MC3T3-E1 cells through decreasing the activation of ERS-mediated apoptosis pathway. AB - Palmitate (PA) has been identified to induce cell apoptosis in osteoblasts. The c Jun NH2-teminal kinase (JNK) signaling pathway and endoplasmic reticulum stress (ERS) were found to be important contributors. Therefore, natural or synthetic agents may antagonize PA-induced apoptosis in osteoblasts, and demonstrate the potential application to reverse osteoporosis. The present study demonstrated that the Lycium barbarum polysaccharide (LBP) is as a major active ingredient of Lycium barbarum and that it can reduce the fatty acid toxicity of PA. Furthermore, this study attempted to elucidate the underlying molecular mechanisms of LBP. Firstly, it was demonstrated via a Cell Counting Kit-8 assay, that LBP could significantly increase the viability of MC3T3-E1 cells in a dose dependent manner. Flow cytometric analysis indicated that LBP inhibits PA-induced apoptosis in osteoblastic cells. Reverse transcription-quantitative polymerase chain reaction and western blotting results showed that the expression levels of glucose-regulated protein 78, C/EBP homologous protein and cysteinyl asparate specific proteinase-3/-9/-12, were increased in MC3T3-E1 cells following PA treatment. The treatment of the cells with PA resulted in an activation of the ERS and the JNK signaling pathway. These pathways were effectively suppressed by co-incubation with LBP. Taken together, PA may cause ERS, in cell apoptosis, and it may further activate the JNK signaling pathway. LBP reversed PA-induced apoptosis in MC3T3-E1 cells through inhibition of the activation of the ERS mediated JNK signaling pathway. PMID- 29207093 TI - Potential inhibitory effects of the traditional herbal prescription Hyangso-san against skin inflammation via inhibition of chemokine production and inactivation of STAT1 in HaCaT keratinocytes. AB - Inflammatory skin disease are caused by multiple factors, including susceptibility genes, and immunologic and environmental factors, and are characterized by an increase in epidermal thickness and the infiltration of macrophages, keratinocytes, mast cells, eosinophils and other inflammatory cells. Keratinocytes may serve an important role in the pathogenesis of inflammatory skin diseases. The traditional herbal decoction Hyangso-san (HSS) has been used to treat symptoms of the common cold, including headache, pantalgia, fever and chills. However, to the best of our knowledge, there is no evidence regarding whether HSS has an effect on inflammatory skin diseases. The present study investigated the anti-skin inflammation activity of HSS using the HaCaT human keratinocyte cell line. The mRNA expression and production of inflammatory chemokines, including C-C motif chemokine ligand 22 (CCL22), CCL5, CCL17, and interleukin (IL)-8, was measured using reverse transcription polymerase chain reaction and ELISA analyses. Moreover, we evaluated the effect of HSS on signal transducer and activator of transcription 1 (STAT1) pathway in HaCaT cells. The cells were stimulated with tumor necrosis factor-alpha (TNF-alpha) and interferon gamma (IFN-gamma) to induce an inflammatory reaction. In the TNF-alpha- and IFN gamma-stimulated cells, the production and expression of inflammatory chemokines were observed, including CCL22, CCL5, CCL17 and IL-8. In addition, stimulation with TNF-alpha and IFN-gamma increased the phosphorylation and nuclear translocation of STAT1 in HaCaT cells. By contrast, HSS extract treatment inhibited TNF-alpha- and IFN-gamma-induced STAT1 activation. Results from the present study indicated that HSS exhibited inhibitory effects on TNF-alpha- and IFN-gamma-mediated chemokine production and expression by targeting STAT1 in keratinocytes. Overall, the results indicated that HSS may be a potential candidate therapeutic drug for inflammatory skin diseases such as atopic dermatitis. PMID- 29207094 TI - MicroRNA-132 modifies angiogenesis in patients with ischemic cerebrovascular disease by suppressing the NF-kappaB and VEGF pathway. AB - In the present study, the expression of microRNA (miR)-132 and the mechanism by which it modifies angiogenesis in patients with ischemic cerebrovascular disease (ICD) was investigated. RNA isolation and reverse transcription-quantitative polymerase chain reaction were used to measure miR-132 expression in patients with ICD. Inflammatory factors were measured using ELISA kits and western blotting measured B-cell lymphoma-2 (Bcl-2)-associated X/Bcl-2 ratio (Bax/Bcl-2 ratio), nuclear factor (NF)-kappaB p65, matrix metalloproteinase-9 (MMP-9), vascular cell adhesion molecule-1 (VCAM-1) and protein expression of inducible nitric oxide synthase (iNOS), and vascular endothelial growth factor (VEGF) protein expression. miR-132 expression in patients with ICD was lower compared with healthy volunteers. PC12 cells were used to create an oxygen glucose deprivation (OGD) model. miR-132 overexpression in an in vitro model was able to reduce tumor necrosis factor-a, interleukin (IL)-1beta, IL-6, IL-8, cyclooxygenase-2, caspase-3 and caspase-9 levels, suppress Bax/Bcl-2 ratio, NF kappaB p65, MMP-9, VCAM-1, iNOS, VEGF protein expression. The results suggested that miR-132 may modify angiogenesis in patients with ICD by suppressing the NF kappaB pathway and promoting the VEGF pathway, and may develop into a therapy for ICD in future research. PMID- 29207095 TI - Upregulation of ZBTB7A exhibits a tumor suppressive role in gastric cancer cells. AB - Gastric cancer presents as a complex solid tumor and is the third leading cause of global cancer-associated mortality. The genetic alterations in gastric cancer remain unclear and deserve further investigation. Mining The Cancer Genome Atlas gastric adenocarcinoma dataset identified a frequent loss of the zinc finger and BTB domain containing 7A (ZBTB7A) gene locus and a significant correlation between low ZBTB7A expression and poor patient survival. ZBTB7A belongs to the POZ/BTB and Kruppel transcription factor family. In the present study, overexpression of ZBTB7A in a gastric cancer cell line induced cell cycle arrest at the S phase. Upregulation of ZBTB7A also promoted apoptosis and repressed cell migration. The results of the present study indicated that ZBTB7A functions as a tumor suppressor in gastric cancer cells. Understanding the role of ZBTB7A in gastric cancer may provide important clinical insight for treatment. PMID- 29207096 TI - Therapeutic effect of herb residue fermentation supernatant on spleen-deficient mice. AB - To minimize the waste of active ingredients present in herb residues, in the present study, probiotics of Bacillus subtilis, Aspergillus oryzae and Lactobacillus plantarum M3 were selected to reuse herb residues from Jianweixiaoshi tablets, and the therapeutic effects of the herb residue fermentation supernatant were evaluated using a spleen-deficient mouse model. The results of the present study indicated that the fermentation supernatant may effectively improve the immunity of mice, as measured by body weight, spleen and thymus index, and inflammatory cytokines, including interleukin (IL)-2, IL-4 and interferon-gamma. The viable cell count and denaturing gradient gel electrophoresis results indicated that the fermentation supernatant markedly enhanced bacterial diversity and the number of lactobacilli in mouse intestines. Therefore, the combination of the Jianweixiaoshi herb residue and probiotics provided a novel method to reuse herb residues and may in the future contribute to the treatment of spleen deficiency. PMID- 29207097 TI - The anticancer effects of Cucurbitacin I inhibited cell growth of human non-small cell lung cancer through PI3K/AKT/p70S6K pathway. AB - The present study aimed to identify potential anticancer effects of Cucurbitacin I regulators on cell growth of human non-small cell lung cancer (NSCLC) and to explore their mechanism. The results indicated that the anticancer effects of Cucurbitacin I markedly attenuated cell proliferation, and induced apoptosis in NSCLC. Furthermore, Cucurbitacin I suppressed phosphatidylinositol-4,5 bisphosphate 3-kinase (PI3K), phosphorylation (p)-AKT and p-p70S6K pathway in NSCLC. Then, (PI3K) inhibitor increased anticancer effects of Cucurbitacin I on NSCLC. In conclusion, the present results indicated that Cucurbitacin I inhibited cell growth of human NSCLC through PI3K/AKT/p70S6K signaling pathway. PMID- 29207098 TI - FOXO1 is crucial in glioblastoma cell tumorigenesis and regulates the expression of SIRT1 to suppress senescence in the brain. AB - In the present study, the role of Forkhead Box O1 (FOXO1) in glioblastoma (GBM) cell tumorigenesis was examined and the underlying mechanisms were investigated. Reverse transcription-quantitative polymerase chain reaction and western blot analyses were used to analyze the expression of FOXO1 in GBM cell lines (LN18 and T98G) and tissues. Compared with the control groups, FOXO1 was significantly downregulated in the GBM tissues and GBM cell lines (P<0.05). The effects of the expression of FOXO1 on GBM cell proliferation and cell cycle were examined using flow cytometry. The overexpression of FOXO1 markedly inhibited LN18 and T98G cell proliferation and arrested cell cycle at the G0/G1 phase. In addition, FOXO1 facilitated cell senescence through regulation of the expression of sirtuin 1. Epithelial-mesenchymal transition (EMT) is a complex process, which affects cell growth, invasion and metastasis. The results of the present study revealed that FOXO1 inhibited EMT and metastasis in GBM. These finding revealed a novel mechanism of FOXO1 in the suppression of tumorigenesis and metastasis of GBM cells and suggested that FOXO1 may be a potential therapeutic target for treating GBM. PMID- 29207099 TI - N-acetylcysteine ameliorates contrast-induced kidney injury in rats with unilateral hydronephrosis. AB - The aim of the present study was to investigate the protective effects of N acetylcysteine (NAC) on contrast-induced acute kidney injury in rats with unilateral hyronephrosis. Eighty-two male Sprague Dawley rats were randomized to undergo sham operation (n=14) or unilateral ureteral obstruction (UUO) (n=68). After 3 weeks, the UUO animals were randomized to three groups: NAC gastric perfusion, UUO+iohexol+NAC (n=24); normal saline perfusion, UUO+iohexol (n=24); and controls, UUO (n=20). After 3 days, UUO+iohexol+NAC and UUO+iohexol rats were injected with iohexol. One day after contrast, half of the rats were sacrificed to assess the pathological changes to the kidneys, serum creatinine, serum neutrophil gelatinase-associated lipocalin (NGAL), renal cell apoptosis rate and expression of apoptosis regulators Bcl-2/Bax. The remaining rats underwent obstruction relief and were analyzed 3 weeks later. Compared with the controls, serum NGAL levels were high in UUO+iohexol rats 1 day following injection and 3 weeks after obstruction relief, but UUO+iohexol+NAC rats exhibited lower serum NGAL levels compared with UUO+iohexol rats (all P<0.05). Following modeling, UUO+iohexol rats exhibited a significantly higher apoptosis rate of renal tubular cells, higher expression of Bax mRNA, and lower ratio of Bcl-2/Bax (all P<0.05). Three weeks after obstruction relief, UUO+iohexol+NAC rats exhibited a lower apoptosis rate, lower Bax mRNA expression, higher expression of Bcl-2 mRNA and higher ratio of Bcl-2/Bax (all P<0.05) compared with day 1 following drug administration. The prophylactic use of NAC reduced the apoptotic rate of renal tubular cells following contrast exposition, which was accompanied by changes in the expression of Bcl-2/Bax mRNA. PMID- 29207100 TI - Retinal microvasculature alteration in central serous chorioretinopathy. AB - The aim of the present study was to investigate the changes of retinal microvascular network in patients with central serous chorioretinopathy (CSCR). A total of fifteen patients (right eye) with CSCR and 15 normal controls (right eye) were recruited. We used optical coherence tomography angiography to scan 6x6 mm macular retinal blood flow images with the application of a series of customized image segmentation processing program software to obtain microvascular and macrovascular density, and compared the superficial microvascular (SMIR), superficial macrovascular ring (SMAR) and the superficial total microvascular (STMI) density between CSCR patients and control group. Using the annular partition (C1-C6) and quadrant partition methods on the macular, we compared the retinal vessel density changes. We also performed ROC analysis of superficial retinal microvessel density in CSCR retina to investigate the relationship between the microvascular density, the foveal thickness and visual acuity. The density of STMI and SMIR decreased in macular area in the patients with CSCR compared to the normal controls (P<0.05), while the density of SMAR did not change significantly. We found no significant difference in the density of SMIR with the quadrant partition method, whereas the annular partition method showed significantly decreased SMIR density only in the C1 region in patients with CSCR (P<0.05), with no significant difference observed in C2-C6 regions. The density of SMIR had the highest differentiation power in the CSCR group, whereas the density of SC1 ring had the lowest differentiation power by the annular method. The largest area under the ROC curves was 0.77. The correlation index of the SMIR density and visual acuity was -0.544, whereas macular thickness and visual acuity was -0.644 in the CSCR group. The density of STMI and SMIR were decreased in patients with CSCR, which might provide further understanding of the pathogenesis of CSCR. PMID- 29207101 TI - Diosgenin prevents high-fat diet-induced rat non-alcoholic fatty liver disease through the AMPK and LXR signaling pathways. AB - Non-alcoholic fatty liver disease (NAFLD) is a major public health concern worldwide. The aim of the present study was to observe the effect of diosgenin on NAFLD and investigate the underlying mechanisms. Diosgenin treatment increased the phosphorylation of AMP-activated protein kinase (AMPK) and acetyl-CoA carboxylase (ACC) in HepG2 cells. Diosgenin significantly inhibited high glucose (HG)-induced triglyceride (TG) accumulation and sterol regulatory element-binding protein-1c (SREBP-1c) mRNA increase in HepG2 cells, which were partially abolished by the AMPK inhibitor compound C. Diosgenin also significantly inhibited the increase of liver X receptor (LXR) alpha mRNA induced by HG or T0901317. However, T0901317-induced upregulation of LXRalpha and SREBP-1c mRNA was not blocked by compound C. Following a high-fat diet for 16 weeks, the body and liver weights of the experimental rats were significantly increased, but this effect was significantly suppressed by diosgenin. Diosgenin and fenofibrate ameliorated lipid deposition in the liver and reduced the increase of hepatic TG content. Diosgenin significantly decreased the alanine aminotransferase (ALT) level, whereas fenofibrate significantly increased the ALT and aspartate aminotransferase levels. Diosgenin also increased AMPK and ACC phosphorylation and suppressed LXRalpha in the liver. In conclusion, the results of the present study suggested that diosgenin is a potential agent for preventing the development of NAFLD through the AMPK and LXR signaling pathways. PMID- 29207102 TI - LncRNA TUG1 serves an important role in hypoxia-induced myocardial cell injury by regulating the miR-145-5p-Binp3 axis. AB - The aim of the present study was to investigate the function of long non-coding RNA TUG1 in hypoxia-induced myocardial cell injury and to explore the potential molecular mechanisms. The cardiomyocyte cell line H9c2 was cultured under hypoxic and normoxic conditions. TUG1 expression under hypoxic conditions was then detected. The effects of TUG1 overexpression on viability, apoptosis, migration and invasion were assayed. In addition, the microRNA (miR)-145-5p expression was detected. Following H9c2 cell transfection with miR-145-5p mimics, the H9c2 cell viability, apoptosis, migration and invasion were also detected. Additionally, the target gene of miR-145-5p was assayed by Luciferase reporter assay. The protein expressions of Wnt-3a, Wnt5a, and beta-catenin in H9c2 cells under hypoxic conditions were also determined. The results revealed that hypoxia induced injury in H9c2 cells, including inhibiting cell viability, migration and invasion, and promoting cell apoptosis. Overexpression of TUG1 aggravated hypoxia induced injury in H9c2 cells. In addition, miR-145-5p was negatively regulated by TUG1, and TUG1 overexpression aggravated hypoxia-induced injury via the downregulation of miR-145-5p. Furthermore, B-cell lymphoma 2 interacting protein 3 (Bnip3) was a target of miR-145-5p, and overexpression of Bnip3 aggravated hypoxia-induced cell injury by activating Wnt/beta-catenin signaling pathways in H9c2 cells. In conclusion, overexpression of TUG1 aggravated hypoxia-induced injury in cardiomyocytes by regulating the miR-145-5p-Binp3 axis. Activation of the Wnt/beta-catenin signaling pathway may be a key mechanism to mediate the role of TUG1 in regulating hypoxia-induced myocardial injury. TUG1 may be an effective diagnostic marker and therapeutic target for myocardial ischemia. PMID- 29207103 TI - Epigenetic alterations of the Igf2 promoter and the effect of miR-483-5p on its target gene expression in esophageal squamous cell carcinoma. AB - Esophageal squamous cell carcinoma (ESCC) is one of the most widespread malignancies in China. MicroRNAs (miRNAs/miRs) are endogenous evolutionarily conserved small non-coding RNAs that are able to regulate ESCC formation and deterioration by negatively regulating specific target genes. In the present study, the expression levels of miR-483-5p and its associated mRNAs were measured by quantitative polymerase chain reaction (PCR) analysis, and the methylation levels of the insulin-like growth factor 2 (Igf2) promoter were detected via the methylation-specific PCR method in serum and tissues from patients with ESCC. The results demonstrated that the expression level of miR-483-5p was significantly upregulated in preoperative serum and cancer tissues from patients with ESCC (P<0.01), and the miR-483-5p expression levels were correlated with the tumor, node, metastasis stage (P<0.05) and lymph node metastasis (P<0.05). In addition, the mRNA levels of miR-483-5p target genes (Rho GDP dissociation inhibitor alpha, activated leukocyte cell adhesion molecule, and suppressor of cytokine signaling 3) in cancer tissues were significantly decreased compared with adjacent non cancerous tissues. These results indicated that miR-483-5p and its target genes may be involved in the developmental process of ESCC. The Igf2 levels in cancer tissues were significantly increased compared with adjacent non-cancerous tissues (P<0.01). Additionally, the methylation levels of the Igf2 promoter region were 31.82 and 54.55% in cancer tissues and adjacent non-cancerous tissues, respectively, suggesting that low methylation of the Igf2 gene promoter region may promote the expression of Igf2 and miR-483-5p; this, in turn, induces the degradation of miR-483-5p target genes, and leads to the upregulation of oncogenes and the downregulation of tumor suppressors, which promotes the development of ESCC. PMID- 29207105 TI - microRNA-363-3p inhibits cell growth and invasion of non-small cell lung cancer by targeting HMGA2. AB - Lung cancer is the second most common cancer and is the leading cause of cancer related death worldwide. For decades, increasing evidence revealed that microRNAs may contribute to non-small cell lung cancer (NSCLC) carcinogenesis and progression and could provide novel therapeutic targets for treatments of patients with NSCLC. Accumulated studies indicate that microRNA (miR)-363-3p serves important roles in tumorigenesis and tumor development; however, the role of miR-363-3p in NSCLC is still unclear. The current study reported that miR-363 3p exhibited reduced expression in NSCLC tissues and cell lines. Reduced miR-363 3p expression was correlated with tumor node metastasis classification and distant metastasis of NSCLC patients. Notably, miR-363-3p re-expression significantly suppressed cell proliferation and invasion of NSCLC. Furthermore, bioinformatics analysis, luciferase reporter assay, reverse transcription quantitative polymerase chain reaction and western blotting indicated that (high mobility group AT-hook 2) HMGA2 was a direct target gene of miR-363-3p. HMGA2 was increased in NSCLC tissues and inversely associated with HMGA2 expression. Moreover, HMGA2 underexpression had similar effects to miR-363-3p overexpression in NSCLC cells. Thus, the current study suggested that miR-363-3p may act as a tumor suppressor in NSCLC and that the miR-363-3p could be investigated as a therapeutic target for the patients with this disease. PMID- 29207104 TI - The role and mechanism of beta-arrestins in cancer invasion and metastasis (Review). AB - beta-arrestins are a family of adaptor proteins that regulate the signaling and trafficking of various G protein-coupled receptors (GPCRs). They consist of beta arrestin1 and beta-arrestin2 and are considered to be scaffolding proteins. beta arrestins regulate cell proliferation, promote cell invasion and migration, transmit anti-apoptotic survival signals and affect other characteristics of tumors, including tumor growth rate, angiogenesis, drug resistance, invasion and metastatic potential. It has been demonstrated that beta-arrestins serve roles in various physiological and pathological processes and exhibit a similar function to GPCRs. beta-arrestins serve primary roles in cancer invasion and metastasis via various signaling pathways. The present review assessed the function and mechanism of beta-arrestins in cancer invasion and metastasis via multiple signaling pathways, including mitogen-activated protein kinase/extracellular signal regulated kinase, Wnt/beta-catenin, nuclear factor-kappaB and phosphoinositide-3 kinase/Akt. PMID- 29207106 TI - LncRNA SNHG12 regulates gastric cancer progression by acting as a molecular sponge of miR-320. AB - Gastric cancer (GC) is one of the most common malignancies worldwide. Previous studies have focused on long non-coding RNAs (lncRNAs), which have important roles in the development and progression of GC. The present study aimed to clarify the expression and function of lncRNA small nucleolar RNA host gene 12 (SNHG12) in GC. The expression and the clinical characteristics of GC were analyzed in the samples from patients with GC and matched adjacent normal tissues. The present study determined that SNHG12 was significantly overexpressed in GC and its expression level was highly associated with tumor size, tumor-node metastasis stage, distant metastasis, lymphatic metastasis. Patients with high SNHG12 expression had a short survival period. Additionally, inhibition of SNHG12 in GC cell lines SGC-7901 and AGS suppressed cell growth, colony formation, proliferation and invasion. MicroRNA (miR)-320, a putative target gene of SNHG12, was inversely correlated with SNHG12 expression in GC tissues and cell lines. In addition, the present study determined that miR-320 was directly regulated by SNHG12 and suppression of miR-320 expression reversed the inhibitory effects of SNHG12 siRNA on GC cell proliferation and invasion. These findings revealed that SNHG12 acts as a tumor promoter by directly targeting miR-320 in GC, suggesting a potential novel biomarker for the diagnosis and prognosis of GC. PMID- 29207107 TI - Modular organization of a hypocretin gene minimal promoter. AB - Orexins or hypocretins are neurotransmitters produced by a small population of neurons in the lateral hypothalamus. This family of peptides modulates sleep-wake cycle, arousal and feeding behaviors; however, the mechanisms regulating their expression remain to be fully elucidated. There is an interest in defining the key molecular elements in orexin regulation, as these may serve to identify targets for generating novel therapies for sleep disorders, obesity and addiction. Our previous studies showed that the expression of orexin was decreased in mice carrying null-mutations of the transcription factor early B cell factor 2 (ebf2) and that the promoter region of the prepro-orexin (Hcrt) gene contained two putative ebf-binding sites, termed olf-1 sites. In the present study, a minimal promoter region of the murine Hcrt gene was identified, which was able to drive the expression of a luciferase reporter gene in the human 293 cell line. Deletion of the olf1-site proximal to the transcription start site of the Hcrt gene increased reporter gene expression, whereas deletion of the distal olf1-like site decreased its expression. The lentiviral transduction of murine transcription factor ebf2 cDNA into 293 cells increased the gene expression driven by this minimal Hcrt-gene promoter and an electrophoretic mobility shift assays demonstrated that the distal olf1-like sequence was a binding site for ebf2. PMID- 29207108 TI - Integrated analysis of gene expression and copy number variations in MET proto oncogene-transformed human primary osteoblasts. AB - The aim of the present study was to screen the potential osteosarcoma (OS) associated genes and to obtain additional insight into the pathogenesis of OS. Transcriptional profile (ID: GSE28256) and copy number variations (CNV) profile were downloaded from Gene Expression Omnibus database. Differentially expressed genes (DEGs) between MET proto-oncogene-transformed human primary osteoblast (MET HOB) samples and the control samples were identified using the Linear Models for Microarray Data package. Subsequently, CNV areas and CNVs were identified using cut-off criterion of >30%-overlap within the cases using detect_cnv.pl in PennCNV. Genes shared in DEGs and CNVs were obtained and discussed. Additionally, the Database for Annotation, Visualization and Integrated Discovery was used to identify significant Gene Ontology (GO) functions and pathways in DEGs with P<0.05. A total of 1,601 DEGs were screened out in MET-HOBs and compared with control samples, including 784 upregulated genes, such as E2F transcription factor 1 (E2F1) and 2 (E2F2) and 817 downregulated genes, such as retinoblastoma 1 (RB1) and cyclin D1 (CCND1). DEGs were enriched in 344 GO terms, such as extracellular region part and extracellular matrix and 14 pathways, including pathways in cancer and extracellular matrix-receptor interaction. Additionally, 239 duplications and 439 deletions in 678 genes from 1,313 chromosome regions were detected. A total of 12 genes were identified to be CNV-driven genes, including cadherin 18, laminin subunit alpha 1, spectrin beta, erythrocytic, ciliary rootlet coiled-coil, rootletin pseudogene 2, beta-1,4-N-acetyl galactosaminyltransferase 1, G protein regulated inducer of neurite outgrowth 1, EH domain binding protein 1-like 1, growth factor independent 1, cathepsin Z, WNK lysine deficient protein kinase 1, glutathione S-transferase mu 2 and microsomal glutathione S-transferase 1. Therefore, cell cycle-associated genes including E2F1, E2F2, RB1 and CCND1, and cell adhesion-associated genes, such as CDH18 and LAMA1 may be used as diagnosis and/or therapeutic markers for patients with OS. PMID- 29207109 TI - Downregulation of 14-3-3beta inhibits proliferation and migration in osteosarcoma cells. AB - The 14-3-3 protein isoform beta (14-3-3beta), which is an intracellular adaptor protein that exists in all eukaryotic organisms, is highly expressed in many cancer tissues, including glioma, lung carcinoma and breast cancer. However, 14-3 3beta expression and function in osteosarcoma progression remain unknown. In the present study, the endogenous expression of 14-3-3beta was assessed in osteosarcoma samples and the effect of 14-3-3beta knockdown was examined in human osteosarcoma MG63 cells using small interfering RNA (siRNA). mRNA and protein expression levels for 14-3-3beta were detected by reverse transcription quantitative polymerase reaction and western blotting, respectively. The results demonstrated that endogenous 14-3-3beta mRNA and protein were highly expressed in human osteosarcoma tissues and osteosarcoma cell lines (U2OS, MG63 and SaOs-2), but not in normal bone tissues or normal osteoblast hFOB1.19 cells. These data suggested that increased expression of 14-3-3beta may be significantly associated with the development and progression of osteosarcoma. Therefore, the effect of 14 3-3beta knockdown in MG63 cells was further examined in vitro. Knockdown of 14-3 3beta by siRNA significantly decreased cell viability, and inhibited cell proliferation and invasion. In addition, 14-3-3beta knockdown significantly decreased the protein expression levels of beta-catenin, cyclin D1, v-myc avian myelocytomatosis viral oncogene homolog and matrix metallopeptidase 9 in osteosarcoma MG63 cells. These results suggested that the anticancer effects of 14-3-3beta knockdown in MG63 cells might be mediated by the inhibition of the Wnt/beta-catenin signaling pathway. In summary, 14-3-3beta knockdown decreased proliferation and invasion in MG63 cells, which suggests a potential therapeutic application for 14-3-3beta as a novel target for the treatment of osteosarcoma patients. PMID- 29207110 TI - Acetylshikonin suppresses invasion of Porphyromonas gingivalis-infected YD10B oral cancer cells by modulating the interleukin-8/matrix metalloproteinase axis. AB - The development of pharmaceutical agents possessing anti-invasive and anti metastatic abilities, as well as apoptotic activity, is important in decreasing the incidence and recurrence of oral cancer. Cancer cells are known to acquire invasiveness not only through epigenetic changes, but also from inflammatory stimuli within the tumor microenvironment. Accordingly, the identification of agents that can suppress the inflammation-promoted invasiveness of cancer cells may be important in treating cancer and improving the prognosis of patients with cancer. Acetylshikonin, a flavonoid with anti-inflammatory activity, inhibits proliferation and induces apoptosis of oral cancer cells. In the present study, the anti-invasive effect of acetylshikonin on YD10B oral cancer cells infected with Porphyromonas gingivalis, a major pathogen of chronic periodontitis, and the mechanisms involved were investigated. Firstly, we examined whether P. gingivalis infection increased the invasiveness of YD10B cells. Results suggested that YD10B oral cancer cells become more aggressive when they are infected with P. gingivalis. Secondly, acetylshikonin significantly inhibited the invasion of P. gingivalis-infected YD10B cells by suppressing IL-8 release and IL-8-dependent MMP release. These data suggest that acetylshikonin may be a useful preventive and therapeutic candidate for oral cancer that is chronically infected with periodontal pathogens. PMID- 29207111 TI - H19 functions as a competing endogenous RNA to regulate human epidermal growth factor receptor expression by sequestering let-7c in gastric cancer. AB - Long non-coding RNA (lncRNA) H19 has been suggested to serve important roles in the progression of gastric cancer (GC); however, the mechanism involved is largely unknown. The present study aimed to investigate the mechanism underlying the effect of H19 on human epidermal growth factor receptor (HER2) expression. Let-7c belongs to the let-7 family, which has been reported to be downregulated in cancers and considered to serve as a tumor suppressor. Let-7c has been negatively associated with the expression of human epidermal growth factor receptor 2 (HER2). Reverse transcription-quantitative polymerase chain reaction was used to examine the expression levels of H19 and let-7c in GC tissues and cell lines. HER2 protein expression levels were examined using immunohistochemistry and western blot analyses. The effect of H19 on let-7c and HER2 expression was analyzed following transfection of small interfering RNA targeting H19 in GC cells. The results indicated that the expression levels of H19 lncRNA in GC tissue samples were significantly higher when compared with that in matched benign adjacent tissue samples (P<0.001). H19-silenced GC cells exhibited significantly increased let-7c expression and decreased HER2 protein expression levels. Assessment of tumor diameter and pathological tumor stage suggested that increased H19 expression was associated with a poorer prognosis in patients with GC. The results of the present study suggest that H19 may function as a competing endogenous RNA to regulate HER2 expression by sequestering let-7c in GC cells. The present study has aided the understanding of the mechanism of H19 lncRNA in GC, and has provided evidence for the application of lncRNA-based diagnostic and therapeutic strategies for GC. PMID- 29207112 TI - MicroRNA-381 suppresses the proliferation of osteosarcoma cells through LRH 1/Wnt/beta-catenin signaling pathway. AB - We explored the function of microRNA-381 on osteosarcoma cell growth and anticancer mechanism for clinic treatment. MicroRNA-381 of osteosarcoma patients was decreased, microRNA-381 levels were more downregulated at stages III/IV than those at stage I/II in osteosarcoma patients. Downregulation of microRNA-381 using anti-microRNA-381 mimics increased cell proliferation, decreased LDH activity and apoptosis, and inhibited caspase-3/9 activities, Bax/Bcl-2 and p53 protein expression in vitro osteosarcoma cells through upregulation of LRH 1/Wnt/beta-catenin signaling pathway. Overexpression of microRNA-381 using microRNA-381 mimics inhibited cell proliferation, induced apoptosis and increased LDH activity, caspase-3/9 activities, expression of Bax/Bcl-2 and p53 protein in osteosarcoma of in vitro model through downregulation of LRH-1/Wnt/beta-catenin signaling pathway. Si-LRH-1 promoted the anticancer effects of microRNA-381 on osteosarcoma cell growth through Wnt/beta-catenin signaling pathway. Thus, our data suggested that microRNA-381 suppresses the proliferation of osteosarcoma cells through upregulation of LRH-1/Wnt/beta-catenin signaling pathway. PMID- 29207113 TI - Spontaneous hypothermia ameliorated inflammation and neurologic deficit in rat cardiac arrest models following resuscitation. AB - Cardiac arrest (CA) is a leading cause of mortality worldwide. The majority of the associated mortalities are caused by post-CA syndrome, which includes symptoms, such as neurologic damage, myocardial dysfunction and systemic inflammation. Following CA, return of spontaneous circulation (ROSC) leads to a brain reperfusion injury, which subsequently causes adverse neurologic outcomes or mortality. Therefore, investigating the underlying mechanisms of ROSC-induced neurologic deficits and establishing potential treatments is critical to prevent and treat post-CA syndrome. In the current study, CA rat models were established by asphyxia. Following ROSC, the temperature was controlled to achieve hypothermia. The general neurologic status was assessed using the neurologic deficit scale. Changes in the concentrations of interleukin (IL)-18 and IL-1beta were measured with ELISA and the dynamic change in NACHT, LRR and PYD domains containing protein 3 inflammasome components was determined by western blot analysis and immunohistochemistry. Neuronal death and apoptosis were measured via TUNEL assays. In the CA rat models, increasing the duration of CA before cardiopulmonary resuscitation was found to aggravate the neural deficit and increase the incidence of inflammation. Following ROSC, the expression level of the inflammasome components was observed to increase in CA rat models, which was accompanied by increased secretion of IL-18 and IL-1beta, indicating the promotion of inflammation. In addition, the study identified the beneficial role of spontaneous hypothermia in ameliorating the ROSC-induced inflammation and neurologic deficit in CA rat models, including the downregulation of inflammasome components and attenuating neuronal apoptosis. The present study contributes to the understanding of underlying mechanisms in CA-evoked inflammation and the subsequent neurologic damage following ROSC. A novel potential therapeutic strategy that may increase survival times and the quality of life for patients suffering from post-CA syndrome is proposed in the present study. PMID- 29207114 TI - Elderly apolipoprotein E-/- mice with advanced atherosclerotic lesions in the aorta do not develop Alzheimer's disease-like pathologies. AB - Atherosclerosis and Alzheimer's disease (AD) are a major cause of morbidity and mortality in Western societies. These diseases share common risk factors, which are exhibited in old age, including hypertension, diabetes, hypercholesterolemia and apolipoprotein (Apo) epsilon4 allele. We previously demonstrated that factor XI (FXI) deficiency in mice reduced the atherosclerotic plaque area in coronary sinuses and the aortic arch. This led us to investigate whether FXI deficiency in elderly ApoE knockout (KO) mice would decrease pathological alterations compatible with atherosclerosis and AD. The present study used ApoE/factor XI double KO (ApoE/FXI DKO) mice aged 64 weeks and age-matched ApoE KO mice to serve as a control group. The ApoE KO mice developed an advanced atherosclerotic lesion area in the aortic arch, which was reduced by 33% in the DKO mice. However, neither atherosclerosis nor AD-associated pathological alterations in the elderly mice brains were observed in either the DKO mice or the ApoE KO mice. The results advocate a dichotomy between the brain and peripheral blood vessels. Therefore, the ApoE KO and DKO mice cannot serve as mouse models for studying AD or pathological brain changes compatible with atherosclerosis. The mechanism by which ApoE KO protects against brain pathology should be further studied as it may prove helpful for future treatment of senile dementia. PMID- 29207115 TI - Current status and future prospects of the strategy of combining CAR-T with PD-1 blockade for antitumor therapy (Review). AB - The immune system serves an important role in controlling and eradicating malignant cells. Immunotherapy for treating tumors has received much attention in recent years due to its marked effect. There are two approaches which currently lead this field: Chimeric antigen receptor-modified T-cell immunotherapy (CAR-T) and programmed cell death protein-1 blockade (PD-1 blockade). CAR-T has emerged as a promising regimen for the treatment of a range of types of cancer, including chronic lymphoid leukemia and neuroblastoma, with studies of long term remission in certain patients. PD-1 blockade has been reported to exert marked clinical responses in patients against a range of types of solid cancer, including advanced melanoma, non-small-cell lung cancer and renal cell carcinoma, in addition to hematological malignancies. While increasing the power of the immune system to fight cancer has been a long-standing goal in oncology, a number of studies have demonstrated the synergistic antitumor effects of combination therapies under the umbrella of immunotherapy. The present review focused on a novel combination approach involving CAR-T and PD-1 blockade. The present reviews aimed to discuss the following four aspects of such an approach: i) Current monotherapy status; ii) rationale for the combination of CAR-T and PD-1 blockade; iii) current status of the combination of CAR-T and PD-1 blockade; and iv) conclusions and future perspectives. PMID- 29207116 TI - Melatonin exerts an inhibitory effect on insulin gene transcription via MTNR1B and the downstream Raf-1/ERK signaling pathway. AB - The pineal hormone melatonin influences the secretion of insulin by pancreatic islets via the G-protein-coupled melatonin receptors 1 and 2 that are expressed in pancreatic beta-cells. Genome-wide association studies indicate that melatonin receptor 1B (MTNR1B) single nucleotide polymorphisms are tightly associated with type 2 diabetes mellitus (T2DM). However, the underlying mechanism is unclear. Raf-1 serves a critical role in the mitogen-activated protein kinase (MAPK) pathways in beta-cell survival and proliferation and, therefore, may be involved in the mechanism by which melatonin impacts on T2DM through MTNR1B. In the present study, the mRNA expression of the two mouse insulin genes Ins1 and Ins2 was investigated in MIN6 cells treated with different concentrations of melatonin, and insulin secretion was detected under the same conditions. Following the overexpression or silencing of MTNR1B, the activities of components of the MAPK signaling pathway, including Raf-1 and ERK, were evaluated. The impact of MTNR1B knockdown on the melatonin-regulated insulin gene expression and insulin secretion were also investigated. The results demonstrated that exogenous melatonin inhibited the expression of insulin mRNA in the MIN6 cells. Insulin secretion by the MIN6 cells, however, was not affected by melatonin. The MAPK signaling pathway was inhibited in MIN6 cells by treatment with melatonin or the overexpression of MTNR1B. The knockdown of MTNR1B totally attenuated the regulating effect of melatonin on insulin gene expression. Additionally, the inductive effect of melatonin on the expression of insulin mRNA was attenuated when the activities of Raf-1 or ERK were blocked using the chemical inhibitors GW5074 and U0126, respectively. It may be concluded that melatonin exerts an inhibitory effect on insulin transcription via MTNR1B and the downstream MAPK signaling pathway. PMID- 29207117 TI - Clinical significance of CCBE1 expression in lung cancer. AB - Lymph node metastasis (LNM) is one of the major causes of cancer-associated morbidity and mortality in patients with lung cancer following radical pulmonary carcinoma resection. The present study aimed to investigate the relationship between the expression of collagen and calcium-binding epidermal growth factor domain-containing protein 1 (CCBE1) and lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1) in tumor tissue with the clinical prognosis of lung cancer. The present study included 40 patients with lung cancer that underwent pulmonary carcinoma resection, including 10 patients with LNM, and 10 control patients who underwent pulmonary bullae resection. CCBE1 and LYVE1 expression was assessed in samples from normal and tumor tissue using polymerase chain reaction, western blot analysis and immunohistochemistry. CCBE1 expression appeared to be decreased in lung tumor tissue and further downregulated in samples from patients with LNM, and was revealed to be correlated with poor clinical outcome. Conversely, LYVE1 expression appeared to be upregulated in lung cancer tissue. In conclusion, the present results suggested that CCBE1 and LYVE1 may have potential as biomarkers for the identification of lung cancer patients at a high risk of LNM. PMID- 29207118 TI - Oxysophoridine rescues spinal cord injury via anti-inflammatory, anti-oxidative stress and anti-apoptosis effects. AB - Oxysophoridine (OSR) is an alkaloid extracted from Sophora alopecuroides L and has various pharmacological activities. The present study aimed to investigate the protective effects and underlying mechanisms of OSR on spinal cord injury (SCI), a clinically common serious trauma, in a rat model. The results of the present study demonstrated that the anti-inflammatory effect of OSR improved Basso, Beatie and Bresnahan Locomotor Rating Scale scores and reduced spinal cord tissue water contents in an SCI rat model. Inflammatory activation was measured by ELISA, and Prostaglandin E2 (PGE2), intercellular adhesion molecule-1 (ICAM 1), cyclooxygenase-2 (COX-2), nuclear factor-kappaB (NF-kappaB) and B-cell lymphoma 2 (Bcl-2)/Bcl-2-associated X (Bax) protein expression levels using western blotting. The results revealed that treatment with OSR reduced tumor necrosis factor-alpha, interleukin (IL)-1beta, IL-6, IL-8 and malondialdehyde, and increased superoxide dismutase and glutathione peroxidase levels in the serum of an SCI rat model. OSR significantly reduced the protein expression of inflammation-associated proteins PGE2, ICAM-1, COX-2, NF-kappaB and Bcl-2/Bax ratio in the spinal cord tissue of an SCI rat model. Furthermore, the results of the current study demonstrate that OSR ameliorates SCI via anti-inflammatory, anti-oxidative stress and anti-apoptosis effects. PMID- 29207119 TI - EZH2 inhibition sensitizes tamoxifen-resistant breast cancer cells through cell cycle regulation. AB - Enhancer of zeste homologue 2 (EZH2), a catalytic subunit of polycomb repressive complex 2, is overexpressed in a number of different tumors including breast cancer, and serves important roles in cell cycle regulation, proliferation, apoptosis, tumorigenesis and drug resistance. However, it remains unclear whether EZH2 contributes to tamoxifen resistance in breast cancer. In the present study, the role of EZH2 in tamoxifen resistance in MCF-7 cells was investigated. EZH2 was overexpressed in MCF-7 tamoxifen-resistant (MCF-7 TamR) cells. EZH2 overexpression decreased the sensitivity of MCF-7 cells to tamoxifen, and EZH2 knockdown improved the sensitivity of MCF-7 TamR cells to tamoxifen. Furthermore, EZH2 knockdown induced cell cycle arrest in MCF-7 TamR cells, accompanied by a decrease in cyclin D1 expression and an increase in p16 expression. EZH2 knockdown reduced p16 gene methylation in MCF-7 TamR cells. These findings suggested that EZH2 overexpression may contribute to tamoxifen resistance in breast cancer, and EZH2 inhibition may reverse tamoxifen resistance in breast cancer by regulating the cell cycle via the demethylation of the p16 gene. Thus, EZH2 inhibitors may be effective for treating tamoxifen resistance in breast cancer. PMID- 29207120 TI - The antibacterial effect of topical ozone on the treatment of MRSA skin infection. AB - Skin can be infected by many types of microorganisms, most commonly by gram positive strains of Staphylococcus and Streptococcus spp. Treatment of Staphylococcus aureus (S. aureus) infections, particularly that of methicillin resistant Staphylococcus aureus (MRSA), is a challenge in clinical practice. Ozone therapy has proven to be one of the strongest antiseptics against the majority of microorganisms involved in skin infections. The purpose of the present study was to evaluate the microbicidal effects of topical ozone therapy on S. aureus and MRSA, and determine the clinical efficacy of ozone therapy on patients with MRSA skin infection. Microbicidal effects of ozonated oil and ozonated water were determined by plating and Kirby Bauer methods. Clinical efficacy and safety of topical ozone were evaluated in two cases with skin MRSA infection. The killing rates of ozonated oil for S. aureus and MRSA were greater when compared with the control oil group. Almost 100% of S. aureus were eliminated by ozonated oil following 5 min. Almost 100% MRSA were eliminated by ozonated oil following 15 min. In addition, 100% S. aureus and 100% MRSA were eliminated by ozonated water in 1 min. The inhibition zone diameters of ozonated oil for S. aureus and MRSA were 17 and 13 mm, respectively, which were significantly larger than the control group. Both cases of skin MRSA infection were completely healed with ozone therapy. In conclusion, ozone therapy is a potential treatment for S. aureus and MRSA skin infection as it has great efficacy, few side effects and low-costs. PMID- 29207121 TI - Percentage and function of CD4+CD25+ regulatory T cells in patients with hyperthyroidism. AB - The current study observed the percentage of peripheral blood (PB) CD4+CD25+ regulatory T cells (Tregs) and the influence of CD4+CD25+ Tregs on the proliferation of naive CD4 T cells in patients with hyperthyroidism. Furthermore, preliminary discussions are presented on the action mechanism of CD4+CD25+ Tregs on hyperthyroidism attacks. The present study identified that compared with the percentage of PB CD4+CD25+ Tregs in healthy control subjects, no significant changes were observed in the percentage of PB CD4+CD25+ Tregs in patients with hyperthyroidism (P>0.05). For patients with hyperthyroidism, CD4+CD25+ Tregs exhibited significantly reduced inhibition of the proliferation of naive CD4 T cells and decreased secretion capacity on the cytokines of CD4 T cells, compared with those of healthy control subjects (P<0.05). In addition, it was demonstrated that thyroid function of patients with hyperthyroidism was significantly improved (P<0.05) subsequent to receiving medication. Compared with the percentage of PB CD4+CD25+ Tregs in patients with hyperthyroidism before treatment, no significant changes were observed in the percentage of PB CD4+CD25+ Tregs in hyperthyroidism patients following treatment (P>0.05). In the patients with hyperthyroidism, following treatment, CD4+CD25+ Tregs exhibited significantly increased inhibition of the proliferation of naive CD4 T cells and increased secretion capacity of CD4 T cell cytokines, compared with those of the patients with hyperthyroidism prior to treatment (P<0.05). PB CD4+CD25+ Tregs function was decreased in patients with hyperthyroidism, and its non-proportional decrease may be closely associated with the occurrence and progression of hyperthyroidism. PMID- 29207122 TI - Diallyl disulfide inhibits the metastasis of type II esophageal-gastric junction adenocarcinoma cells via NF-kappaB and PI3K/AKT signaling pathways in vitro. AB - Esophageal-gastric junction adenocarcinoma (AEG) is an aggressive tumor with high incidence and dismal prognosis worldwide. Despite significant advances in therapeutic strategies, the 5-year survival rate still remains low. Diallyl disulfide (DADS), which is one of the major volatile components isolated from garlic, has been shown to have multi-targeted antitumor activities in a variety of cancer cells. However, the exact anti-metastatic effects and underlying molecular mechanisms of DADS in AEG have not been elucidated. The present study demonstrated that DADS inhibited cell viability of OE19 cells with low cytotoxicity to healthy hepatocytes, L02 cells, in vitro. Non-toxic doses of DADS were <=10 ug/ml for a 24-h treatment. Our data showed that these non-toxic doses of DADS were found to block the metastasis of OE19 cells by suppressing MMPs, increasing u-PA and TIMPs, as well as altering the balance of MMPs/TIMPs, which at least in part resulted from the suppression of NF-kappaB and PI3K/AKT signaling pathways. The present study provides a previously neglected insight into the investigation of DADS in suppressing tumor metastasis and its underlying molecular mechanisms in vitro. Hence, DADS could be a promising anticancer agent for anti-metastatic treatment of AEG in the future. PMID- 29207123 TI - NACHT, LRR and PYD domains-containing protein 3 inflammasome is activated and inhibited by berberine via toll-like receptor 4/myeloid differentiation primary response gene 88/nuclear factor-kappaB pathway, in phorbol 12-myristate 13 acetate-induced macrophages. AB - The nucleotide-binding domain, leucine-rich-containing family, pyrin domain containing-3 (NLRP-3) inflammasome has recently emerged as a pivotal regulator of chronic inflammation. The present study investigated the expression of NLRP3 inflammasome in phorbol 12-myristate 13-acetate (PMA)-induced macrophages, and aimed to identify the effects of berberine on the inflammasome. Human monocytic THP-1 cells were pretreated with berberine for 1 h and then induced with PMA for 48 h. Total RNA and protein were collected for reverse transcription-quantitative polymerase chain reaction and western blot analysis, respectively. Supernatants were collected to determine IL-1beta levels by using ELISA. The present study demonstrated that NLRP3 inflammasome and IL-1beta were activated in PMA-induced macrophages in a time-dependent manner, whereas berberine significantly inhibited their expression in a dose-dependent manner in PMA-induced macrophages. Furthermore, berberine also suppressed the toll-like receptor 4 (TLR4)/myeloid differentiation primary response gene 88 (Myd88)/nuclear factor (NF)-kappaB signaling pathway which was activated during the conversion of THP-1 cells to macrophages by PMA. In conclusion, berberine reduced NLRP3 inflammasone expression by suppressing the activation of the TLR4/Myd88/NF-kappaB signaling pathway in PMA-induced macrophages. This inhibitory effect may imply an important role of berberine on chronic inflammation and atherogenic progression in coronary artery disease. PMID- 29207124 TI - Inhibiting proliferation and migration of lung cancer using small interfering RNA targeting on Aldo-keto reductase family 1 member B10. AB - Lung cancer is the leading cause of global cancer-associated mortality. Genomic alterations in lung cancers have not been widely characterized, however, the molecular mechanism of tumor initiation and progression remain unknown, and no molecularly targeted have been specifically developed for its treatment and diagnosis. The present study observed the upregulation of Aldo-keto reductase family 1 member Bio10 (AKR1B10) lung cancer tissues by analyzing two public lung cancer gene expression datasets. Further experiments in silencing AKR1B10 demonstrated that the expression of AKR1B10 was associated with cell proliferation, cell cycle, adhesion and invasion, as well as extracellular-signal regulated kinase/mitogen activated protein kinase signal pathway. The overexpression of AKR1B10 in lung cancer indicates the important role of AKR1B10 in tumorigenesis. These findings suggest that AKR1B10 could be a potential diagnosis and treatment mark of lung cancer. PMID- 29207126 TI - Melatonin enhances the apoptotic effects and modulates the changes in gene expression induced by docetaxel in MCF-7 human breast cancer cells. AB - Results from clinical trials and multiple in vivo and in vitro studies point to melatonin as a promising adjuvant molecule with many beneficial effects when concomitantly administered with chemotherapy. Melatonin palliates side-effects and enhances the efficacy of chemotherapeutic agents. However, the mechanisms through which melatonin regulates molecular changes induced by chemotherapeutic agents remain largely unknown. In this study, we demonstrated that melatonin enhanced the anti-proliferative and apoptotic responses to low doses of docetaxel in breast cancer cells. Importantly, these effects were more potent when melatonin was added prior to docetaxel. Treatment with 1 uM docetaxel (equivalent to the therapeutic dosage) induced changes in gene expression profiles and melatonin modulated these changes. Specifically, docetaxel downregulated TP53, cyclin-dependent kinase inhibitor 1A (CDKN1A) and cadherin 13 (CDH13), and upregulated mucin 1 (MUC1), GATA binding protein 3 (GATA3) and c-MYC, whereas melatonin counteracted these effects. Melatonin further stimulated the expression of the pro-apoptotic BAD and BAX genes, and enhanced the inhibition of the anti apoptotic gene BCL-2 induced by docetaxel. The findings of this study suggest that melatonin is a molecule with potential for use as an adjuvant in cancer chemotherapy, which may have implications for designing clinical trials using chemotherapeutic drugs in combination with melatonin. PMID- 29207127 TI - Radiolabeled methotrexate as a diagnostic agent of inflammatory target sites: A proof-of-concept study. AB - Methotrexate (MTX), as a pharmaceutical, is frequently used in tumor chemotherapy and is also a part of the established treatment of a number of autoimmune inflammatory disorders. Radiolabeled MTX has been studied as a tumor-diagnostic agent in a number of published studies. In the present study, the potential use of technetium-99m-labelled MTX (99mTc-MTX) as a radiotracer was investigated for the identification of inflammatory target sites. The labelling of MTX was carried out via a 99mTc-gluconate precursor. Evaluation studies included in vitro stability, plasma protein binding assessment, partition-coefficient estimation, in vivo scintigraphic imaging and ex vivo animal experiments in an animal inflammation model. MTX was successfully labelled with 99mTc, with a radiochemical purity of >95%. Stability was assessed in plasma, where it remained intact up to 85% at 4 h post-incubation, while protein binding of the radiotracer was observed to be ~50% at 4 h. These preclinical ex vivo and in vivo studies indicated that 99mTc-MTX accumulates in inflamed tissue, as well as in the spinal cord, joints and bones; all areas with relatively high remodeling activity. The results are promising, and set the stage for further work on the development and application of 99mTc-MTX as a radiotracer for inflammation associated with rheumatoid arthritis. PMID- 29207128 TI - NR4A1-induced increase in the sensitivity of a human gastric cancer line to TNFalpha-mediated apoptosis is associated with the inhibition of JNK/Parkin dependent mitophagy. AB - Tumor necrosis factor alpha (TNFalpha)-based immunotherapy is the vital host defense system against the progression of gastric cancer (GC) as a pro inflammatory and pro-apoptotic cytokine. However, resistance limits its therapeutic efficiency. Therefore, an increasing number of studies are focusing on the development of drugs or methods with which to enhance the treatment efficacy of TNFalpha. Nuclear receptor subfamily 4 group A member 1 (NR4A1) has been shown to exert antitumor effects through several mechanisms, such as by inhibiting proliferation, as well as pro-apoptotic and potent pro-oxidant effects. In this study, we examined the effects and mechanisms of action of NR4A1 on the apoptosis of GC cells treated with TNFalpha, with particular focus on mitochondrial homeostasis. We found that TNFalpha treatment decreased NR4A1 expression. Moreover, the overexpression of NR4A1 in the presence of TNFalpha further increased GC cell apoptosis. Mechanistically, the overexpression of NR4A1 augmented caspase-9-dependent mitochondrial apoptosis, as evidenced by reduced mitochondrial membrane potential, reactive oxygen species (ROS) overproduction, mitochondrial permeability transition pore (mPTP) opening and the leakage of cytochrome c (Cyt-c) leakage. Moreover, NR4A1 overexpression also evoked mitochondrial energy disorder via the suppression of mitochondrial respiratory complex expression. Furthermore, we found that TNFalpha treatment activated Parkin-dependent mitophagy. Excessive Parkin-dependent mitophagy blocked mitochondrial apoptosis, undermining the toxic effects of TNFalpha on cells. However, NR4A1 overexpression suppressed Parkin-dependent mitophagy via the inhibition of c-Jun N-terminal kinase (JNK). Re-activation of the JNK/Parkin pathway abrogated the inhibitory effects of NR4A1 on mitophagy, eventually limiting cell apoptosis. Collectively, this study confirmed that NR4A1 sensitizes GC cells to TNFalpha-induced apoptosis through the inhibition of JNK/Parkin dependent mitophagy. PMID- 29207125 TI - The spectrum of myocardial homeostasis mechanisms in the settings of cardiac surgery procedures (Review). AB - Classic cardiac surgery, determined through the function of cardiopulmonary bypass machine and myocardial cardioplegic arrest, represents the most controlled scenario for cardiomyocyte homeostatic disturbances due to systemic inflammatory response and myocardial reperfusion injury. An increasing number of studies have demonstrated that myocardial cell homeostasis in cardiac surgery procedures is a sequence of molecularly interrelated and overlapping mechanisms in the form of apoptosis, autophagy and necrosis, which are activated by a plethora of induced inflammatory mediators and gene-related signaling pathways. In this study, we outline the molecular mechanisms of the cardiomyocyte adaptive homeostatic process and the associated clinical implications, in the settings of classic cardiac surgery procedures. PMID- 29207129 TI - Identification of susceptibility loci for thoracic ossification of the posterior longitudinal ligament by whole-genome sequencing. AB - Ossification of the posterior longitudinal ligament (OPLL) is a myelopathy commonly observed in the cervical spine. By contrast, thoracic OPLL (T-OPLL) is rare but more severe. Previous studies have identified several polymorphisms in osteogenic genes that are associated with the occurrence and development of cervical OPLL. However, few genetic studies have evaluated T-OPLL. The present study aimed to identify the genetic factors for OPLL by performing whole-genome sequencing (WGS) in 30 unrelated northern Chinese Han patients with T-OPLL. Using bioinformatics analyses and damaging-variant prediction algorithms, two deleterious variants [c.1534G>A(p.Gly512Ser)/collagen, type VI, alpha1 (COL6A1)] and [c.2275C>A(p.Leu759Ile)/inteleukin-17 receptor C (IL17RC)] were identified in seven unrelated patients. These two mutations resulted in markedly increased gene expression levels in peripheral blood samples. To the best of our knowledge, this is the first report to describe the use of WGS analysis of T-OPLL in the northern Chinese Han population. The results revealed two novel potentially pathogenic mutations in patients with T-OPLL. PMID- 29207130 TI - Ethanol extract from Cnidium monnieri (L.) Cusson induces cell cycle arrest and apoptosis via regulation of the p53-independent pathway in HepG2 and Hep3B hepatocellular carcinoma cells. AB - Cnidium monnieri (L.) Cusson is a frequently used traditional Chinese medicine that treats gynecological diseases and carbuncles. However, the mechanism of action of C. monnieri remains to be fully elucidated. The present study examined the cell cycle arrest and apoptotic effects resulting from ethanol extract of C. monnieri (CME) in HepG2 (wild-type p53) and Hep3B (p53-null) hepatocellular carcinoma cells. An MTT assay was used to confirm the anti-proliferative effect of CME. The cells were stained with Hoechst 33342 or propidium iodide. It was demonstrated that proliferation of HepG2 cells was suppressed by CME. Cell cycle arrest occurred in the G1 phase following treatment with CME and the number of apoptotic bodies was increased. The expression levels of cell cycle-associated proteins, including protein kinase B (Akt), glycogen synthase kinase-3beta (GSK 3beta), p53, cyclin E and cyclin-dependent kinase 2 (CDK2) were determined by western blot analysis. The protein levels of phosphorylated (p)-Akt, p-GSK-3beta, p-MDM2 and cyclin E were decreased, whereas the protein levels of p53, p21 and p CDK2 (Thr14/Tyr15) were increased following treatment with CME. Furthermore, treatment or co-treatment with LY294002 (phosphoinositide-3-kinase/Akt inhibitor) or Pifithrin-alpha (p53 inhibitor) with CME resulted in CME-induced G1 arrest which occurred through the p53-independent signaling pathway in hepatocellular carcinoma cells. In conclusion, CME induces G1 arrest and apoptosis via the Akt/GSK-3beta signaling pathway which is regulated by MDM2-induced degradation of p21, rather than p53. PMID- 29207132 TI - IRF3 signaling pathway serves an important role in poly(I:C)-induced procollagen reduction in human skin fibroblasts. AB - Pattern recognition receptors (PRRs) are part of the immune system. They can recognize pathogen-associated molecular patterns (PAMPs). Toll-like receptors (TLRs) and retinoic acid-inducible gene 1 (RIG-1)-like receptors (RLRs) are 2 types of PRR in the innate immune system. Double-stranded RNA (dsRNA) can exist as a PAMP, including dsRNA viruses. dsRNA is known as a ligand not only for TLR3 but also for RLRs, including melanoma differentiation-associated gene 5 and RIG 1. Collagen is the main structural protein in the extracellular space in the skin. Recently, it was reported that treatment of a synthetic dsRNA, poly(I:C), decreases procollagen expression in skin fibroblasts. However, signaling pathways involved in this process have not yet been fully elucidated. The present study further explored the underlying signaling pathways involved in the processes. It was demonstrated by western blotting that treatment of poly(I:C), but not another PAMP, Pam3CSK4, inhibited procollagen expression in cultured human skin fibroblasts. Treatment of poly(I:C)and Pam3CSK4 induced activation of the mitogen activated protein kinases and the nuclear factor-kappaB pathways. However, only poly(I:C), but not Pam3CSK4, induced the activation of the interferon regulatory factor 3 (IRF3) pathway. By using specific inhibitors, it was demonstrated that inhibition of IRF3 pathway relieved poly(I:C)-induced procollagen reduction. In conclusion, IRF3 signaling pathway serves an important role in poly(I:C)-induced procollagen reduction in skin fibroblasts. This suggests that the IRF3 signaling pathway may be a key target for collagen regulation in the skin. PMID- 29207131 TI - Lysyl oxidases expression and histopathological changes of the diabetic rat nephron. AB - Diabetic nephropathy (DN) is a major complication of diabetes, the accumulation of extracellular matrix (ECM) is considered an indication of nephropathological changes. Lysyl oxidases (LOXs) are also associated with ECM. However, the majority of studies on LOXs have focused on their potential role in renal fibrogenesis and there has no examination of LOXs expression or the correlation with histopathological changes of DN, including glomerular basement membrane (GBM) thickening and glomerulosclerosis. In this study, the association between histological changes and LOXs was explored using a type 2 diabetes model of male Zucker diabetic fatty rats. The expression of LOX and lysyl oxidase-like 1 to 3 (LOXL1 to 3) levels were evaluated by immunohistochemical staining. The expression levels of LOX and LOXL2 in the kidney tissue in the diabetic group were significantly higher compared with those of the control group, but LOXL1 and LOXL3 expression levels were not significantly different between the two groups. These results indicated that LOXL2 and LOX may be critical factors involved in the progression of DN. PMID- 29207133 TI - Potential role of microRNA-223-3p in the tumorigenesis of hepatocellular carcinoma: A comprehensive study based on data mining and bioinformatics. AB - The aims of the present study were to examine the potential role of microRNA-233 3p (miR)-223-3p in the tumorigenesis of hepatocellular carcinoma (HCC), and to investigate its diagnostic accuracy and potential molecular mechanisms. The expression data of miR-223-3p in HCC were obtained from the Gene Expression Omnibus (GEO). Data for the precursor miR-223 were obtained from The Cancer Genome Atlas (TCGA). The diagnostic role of miR-223-3p was identified by the receiver operating curve (ROC), and the diagnostic value of miR-223-3p in HCC was calculated from qualified reports in the literature. In addition, associated data from the GEO, TCGA and qualified experiments were pooled for comprehensive meta analysis. Genes, which intersected between online prediction databases, natural language processing and differentially expressed genes from TCGA were regarded as potential targets of miR-223-3p in HCC. The Gene Ontology enrichment analysis and the Kyoto Encyclopedia of Genes and Genomes pathways of potential targets were performed using the Database for Annotation, Visualization and Integrated Discovery. The protein-protein interactions were mapped using the Search Tool for the Retrieval of Interacting Genes. Among 15 qualified microarray data sets from GEO, seven showed that a significantly lower level of miR-223-3p was present in the HCC tissues, compared with that in non-cancerous tissues (P<0.05). In addition, five GEO data sets revealed diagnostic values of miR-223-3p, with an area under the curve (AUC) of >0.80 (P<0.05). The diagnostic accuracy of the precursor miR-223 in TCGA was also calculated (AUC=0.78, P<0.05). Similarly, the precursor miR-223 showed a higher level of downregulation in HCC tissues, compared with that in healthy controls in TCGA (P<0.001). A summary ROC was also calculated as 0.89 (95% CI, 0.85-0.91) in the meta-analysis. A total of 72 potential targets were extracted, mainly involved in the terms 'microRNAs in cancer', 'ATP binding' and 'prostate cancer'. Five potential target genes were considered the hub genes of miR-223-3p in HCC, including checkpoint kinase 1, DNA methyltransferase 1, baculoviral IAP repeat containing 5, kinesin family member 23, and collagen, type I, alpha1. Based on TCGA, the hub genes were significantly upregulated in HCC (P<0.05). Collectively, these results showed that miR-223-3p may be crucial in HCC carcinogenesis showing high diagnostic accuracy, and may be mediated by several hub genes. PMID- 29207134 TI - Novel herbal medicine LA16001 ameliorates cisplatin-induced anorexia. AB - Chemotherapy frequently causes anorexia in cancer patients, which has been associated with poor disease prognosis. Several therapeutic strategies for the treatment of chemotherapy-induced anorexia are available; however, their adverse effects limit their clinical use. Herbal medicines have a long history of use for the treatment of various diseases, including cancer, and recent research has demonstrated their safety and efficacy. In the present study, combinations of herbal medicines were designed based on traditional Korean medicine, and their effects were investigated on chemotherapy-induced anorexia. Herbal mixtures were extracted, composed of Atractylodes japonica, Angelica gigas, Astragalus membranaceus, Lonicera japonica Thunb., Taraxacum platycarpum H. Dahlstedt and Prunella vulgaris var. asiatica (Nakai) Hara. The mixtures were termed LCBP Anocure-16001-3 (LA16001, LA16002, LA16003). A cisplatin-induced anorexic mouse model was used to evaluate the putative effects of the extracts on chemotherapy induced anorexia. Treatment with LA16001 was revealed to prevent body weight loss, and all three extracts were demonstrated to improve food intake. When the molecular mechanisms underlying the orexigenic effects of LA16001 were investigated, altered expression levels of ghrelin, leptin and interleukin-6 were revealed. Furthermore, LA16001 was reported to induce phosphorylation of Janus kinase 1 and signal transducer and activator of transcription 3. In addition, LA16001 administration increased the number of white blood cells and neutrophils. These results suggested that the herbal formula LA16001 may be able to prevent chemotherapy-induced anorexia and may have potential as a novel therapeutic strategy for the adjuvant treatment of patients with cancer. PMID- 29207135 TI - bFGF promotes Sca-1+ cardiac stem cell migration through activation of the PI3K/Akt pathway. AB - Cardiac stem cells (CSCs) are important for improving cardiac function following myocardial infarction, with CSC migration to infarcted or ischemic myocardium important for cardiac regeneration. Strategies to improve cell migration may improve the efficiency of myocardial regeneration. Basic fibroblast growth factor (bFGF) is an essential molecule in cell migration, but the endogenous bFGF level is too low to be effective. The effect of exogenously delivered bFGF on CSC migration was observed in vitro and in vivo in the present study. The CSC migration index in response to various bFGF concentrations was demonstrated in vitro. In addition, a murine myocardial infarction model was constructed and bFGF protein expression levels and CSC aggregation following myocardial infarction were observed. To study cell migration in vivo, CM-Dil-labeled CSCs or bFGF-CSCs were injected into the peri-infarct myocardium following myocardium infarction and cell migration and maintenance in the peri-infarct/infarct area was observed 1 week later. Protein expression levels of bFGF, CXCR-4 and SDF-1 were assessed, as was myocardium capillary density. The Akt inhibitor deguelin was used to assess the role of the PI3K/Akt pathway in vitro and in vivo. The present study demonstrated that bFGF-promoted Sca-1+ CSC migration, with the highest migration rate occurring at a concentration of 45 ng/ml. The PI3K/Akt pathway inhibitor deguelin attenuated this increase. The phospho-Akt/Akt ratio was elevated significantly after 30 min of bFGF exposure. Transplantation of bFGF-treated Sca 1+ CSCs led to improved cell maintenance in the peri-infarct area and increased cell migration to the infarct area, as well as improved angiogenesis. Protein expression levels of bFGF, CXCR-4 and SDF-1 were upregulated, and this upregulation was partially attenuated by deguelin. Therefore, bFGF was demonstrated to promote Sca-1+ CSC migration both in vitro and in vivo, partially through activation of the PI3K/Akt pathway. This may provide a new method for facilitating CSC therapy for myocardium repair after myocardium injury. PMID- 29207136 TI - Exploiting novel valve interstitial cell lines to study calcific aortic valve disease. AB - Calcific aortic valve disease (CAVD) involves progressive valve leaflet thickening and severe calcification, impairing leaflet motion. The in vitro calcification of primary rat, human, porcine and bovine aortic valve interstitial cells (VICs) is commonly employed to investigate CAVD mechanisms. However, to date, no published studies have utilised cell lines to investigate this process. The present study has therefore generated and evaluated the calcification potential of immortalized cell lines derived from sheep and rat VICs. Immortalised sheep (SAVIC) and rat (RAVIC) cell lines were produced by transduction with a recombinant lentivirus encoding the Simian virus (SV40) large and small T antigens (sheep), or large T antigen only (rat), which expressed markers of VICs (vimentin and alpha-smooth muscle actin). Calcification was induced in the presence of calcium (Ca; 2.7 mM) in SAVICs (1.9 fold; P<0.001) and RAVICs (4.6 fold; P<0.01). Furthermore, a synergistic effect of calcium and phosphate was observed (2.7 mM Ca/2.0 mM Pi) on VIC calcification in the two cell lines (P<0.001). Analysis of SAVICs revealed significant increases in the mRNA expression of two key genes associated with vascular calcification in cells cultured under calcifying conditions, runt related transcription factor-2 (RUNX2;1.3 fold; P<0.05 in 4.5 mM Ca) and sodium-dependent phosphate transporter 1 (PiT1; 1.2 fold; P<0.05 in 5.4 mM Ca). A concomitant decrease in the expression of the calcification inhibitor matrix Gla protein (MGP) was noted at 3.6 mM Ca (1.3 fold; P<0.01). Assessment of RAVICs revealed alterations in Runx2, Pit1 and Mgp mRNA expression levels (P<0.01). Furthermore, a significant reduction in calcification was observed in SAVICs following treatment with established calcification inhibitors, pyrophosphate (1.8 fold; P<0.01) and etidronate (3.2 fold; P<0.01). Overall, the present study demonstrated that the use of immortalised sheep and rat VIC cell lines is a convenient and cost effective system to investigate CAVD in vitro, and will make a useful contribution to increasing current understanding of the pathophysiological process. PMID- 29207137 TI - In vitro expression of mutant factor VII proteins and characterization of their clinical significance. AB - Factor VII (FVII) serves an essential role in the initiation of blood coagulation. Mutations in conserved residues within its serine protease domain may lead to dysregulated coagulation activity. The objective of the present study was to elucidate the impact of altering two conserved residues, H348R and S282R, on the functional properties of the FVII protein. The mutation-harboring fragments were derived from genomic DNA of a FVII deficient patient. The fragments were integrated into a pcDNA vector containing FVII cDNA of HepG2 cells. The wild-type and mutated FVII constructs were transfected into CHO-K1 cells as a mammalian cell model. The coagulation activity, antigen levels and intracellular localization of the recombinant proteins were studied in association with their pathological importance. Results indicated that FVII activity was not detectable in conditioned media of the cells transfected with the mutated constructs. The H348R mutation reduced the expression of intracellular and secreted forms of the FVII protein. Following S282R transfection, intracellular FVII expression showed no significant variation; however, extracellular protein was reduced. The pattern of intracellular localization of mutated FVII remained unaltered in comparison to the wild-type protein. In conclusion, the present study suggested that missense mutations within the serine protease domain of FVII affect extracellular levels in addition to the coagulation activity of FVII. These results may contribute to further understanding of the molecular pathogenesis of FVII deficiency and the development of pharmaceutical candidates with improved therapeutic properties. PMID- 29207138 TI - Anticancer pyridines induce G2/M arrest and apoptosis via p53 and JNK upregulation in liver and breast cancer cells. AB - In the present study, the synthesis and biological evaluation of one novel pyridine and one novel pyridone anticancer compound is reported. The compounds 6 (2,4-dimethoxyphenyl)-4-(3,4-methylenedioxyphenyl)-1H-pyridin-2-one (1) and 2 (2,4-dimethoxyphenyl)-4-(3,4-methylenedioxyphenyl)pyridine (2) were synthesized from a chalchone precursor. 1 was more active than 2 in inhibiting the proliferation of MCF-7 and HepG2 cells, whereas HepG2 cells were more sensitive to the antiproliferative activity of these compounds compared with MCF-7 cells. The lowest IC50 value was noted for compound 1 in HepG2 cells (IC50=4.5+/-0.3 uM). The mechanism of action involved induction of G2/M arrest and apoptosis. Both 1 and 2 further induced downregulation of the cell cycle-associated protein cyclin D1 and upregulation of the cell cycle inhibitors p53 and p21 and the apoptosis-associated protein JNK in HepG2 cells. Compound 1 was further shown to induce phosphorylation of JNK in HepG2 cells. These results demonstrate promising cytostatic effects for the two novel anticancer compounds in human cancer cells. PMID- 29207139 TI - CPNE1 silencing inhibits the proliferation, invasion and migration of human osteosarcoma cells. AB - Osteosarcoma (OS) is the most common primary malignancy of the bone affecting children and adolescents. Copine 1 (CPNE1) is a highly conserved calcium dependent phospholipid-binding protein and may function in regulating signal transduction and membrane trafficking. In the present study, we investigated CPNE1 expression in osteosarcoma tissues and cells, and studied the effects of small interfering RNA (siRNA)-targeting CPNE1 on proliferation, metastasis and chemosensitivity of the osteosarcoma cells. The results demonstrated that CPNE1 was highly expressed in the osteosarcoma tissues and cell lines. Moreover, functional investigations confirmed that CPNE1 knockdown significantly inhibited cell proliferation, colony formation, invasion and metastasis in Saos-2 and HOS cells. Western blot analysis indicated that CPNE1 silencing downregulated the expression of many proteins associated with tumorigenesis and development, including Ras, MEK-1/2, WNT1, beta-catenin, cyclin A1, IRAK2 and cIAP2. In addition, CPNE1 downregulation enhanced the sensitivity of Saos-2 cells towards cisplatin and adriamycin. The present study provides deep insight into the clinical use of lentiviral-mediated CPNE1 silencing for osteosarcoma therapy. PMID- 29207140 TI - Platelet-rich plasma inhibits RANKL-induced osteoclast differentiation through activation of Wnt pathway during bone remodeling. AB - Platelet-rich plasma (PRP) is used in the clinic as an autologous blood product to stimulate bone regeneration and chondrogenesis. Numerous studies have demonstrated that PRP affects bone remodeling by accelerating osteoblast formation. With the research perspective focusing on osteoclasts, the present study established a mouse model of mandibular advancement to examine the effect of PRP on osteoclast differentiation induced by modification of the dynamics of the temporomandibular joint (TMJ). The lower incisors of the mice were trimmed by 1 mm and the resultant change in mandibular position during the process of eating induced condylar adaptation to this change. PRP significantly increased the bone mass and decreased osteoclastic activity, in vitro as well as in vivo. Mechanistically, the reduced expression of receptor activator of nuclear factor kappaB ligand (RANKL)-induced differentiation marker genes, including nuclear factor of activated T-cells, cytoplasmic 1, c-fos and tartrate-resistant acid phosphatase, and that of the resorptive activity marker genes such as cathepsin k, carbonic anhydrase 2 and matrix metalloproteinase 9, indicated that PRP suppresses RANKL-induced osteoclast differentiation. A microarray analysis revealed that several genes associated with the Wnt pathway were differentially expressed, which indicated the involvement of this pathway in osteoclast differentiation. Furthermore, the activation of the Wnt pathway was verified by reverse transcription-quantitative polymerase chain reaction and immunoblot analysis of Dickkopf-related protein 1 and beta-catenin. The results of the present study indicated that PRP inhibits osteoclast differentiation through activation of the Wnt pathway. PMID- 29207141 TI - Downregulation of miR-29b targets DNMT3b to suppress cellular apoptosis and enhance proliferation in pancreatic cancer. AB - As one of the most aggressive types of tumor, pancreatic cancer is a principal cause of tumor-associated mortality. Negative associations between microRNA-29 (miR-29) and DNA methyltransferases (DNMT) 3a and 3b have been demonstrated to be associated with the carcinogenesis of a number of types of cancer; however, this has not been completely elucidated in pancreatic cancer. In the present study, pancreatic cancer tissues (n=15) and corresponding paracancerous tissues (n=15) were obtained and the results of reverse transcription-quantitative polymerase chain reaction analysis indicated decreased expression of miR-29b and enhanced mRNA expression of DNMT3b in pancreatic cancer tissues, compared with the corresponding paracancerous tissues. Increased protein expression of DNMT3b was demonstrated by western blotting and immunohistochemistry. In addition, the negative association between miR-29b and DNMT3b was noted in pancreatic cancer tissues, and luciferase reporter assays confirmed that miR-29b was able to directly target DNMT3b in vitro. Notably, miR-29b overexpression was able to decrease cell viability and to promote the apoptosis by targeting DNMT3b, and the knockdown of DNMT3b exhibited consistent results in vitro and in vivo. The results of the present study suggested that miR-29b, as a tumor suppressor, may be a novel target for the development of treatments for pancreatic cancer. PMID- 29207142 TI - Screening and identification of differentially expressed serum proteins in patients with vitiligo using two-dimensional gel electrophoresis coupled with mass spectrometry. AB - In the clinic, vitiligo is characterized by two stages: Stable and progressive. The pathogenesis of vitiligo is still not clear. Here, we identified serum markers of vitiligo by screening for differentially expressed proteins in patients with vitiligo compared to healthy individuals. Serum samples were collected from patients with vitiligo (n=10 for both the stable and progressive stages) and healthy individuals (n=10). Two-dimensional gel electrophoresis followed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and western blotting were used to validate the differential expression of the proteins in the serum (n=20 each, at both stages for patients and healthy individuals). A total of 48 differentially expressed proteins were identified by gel image analysis. There were 28 differentially expressed proteins in patients with progressive vitiligo (PV) and 13 differentially expressed proteins in patients with stable vitiligo (SV) compared with that in healthy individuals. Additionally, 7 differentially expressed proteins were identified in patients with PV compared with those in patients with SV. The western blotting results showed that Peroxiredoxin-6, apolipoprotein L1, apolipoprotein E and mannose-binding protein were differentially expressed in patients with different stages of vitiligo. Our results showed that change serum levels of several proteins might be useful as biomarkers or in understanding the pathogenesis of vitiligo. PMID- 29207143 TI - Screening and antitumor effect of an anti-CTLA-4 nanobody. AB - Cytotoxic T-lymphocyte antigen-4 (CTLA-4) is a critical negative regulator of immune responses. CTLA-4 is rapidly upregulated following T-cell activation, and then binds to B7 molecules with a higher affinity than CD28. CTLA-4 may abolish the initiation of the responses of T cells by raising the threshold of signals required for full activation of T cells, and it also may terminate ongoing T-cell responses. This regulatory role has led to the development of monoclonal antibodies (mAbs) designed to block CTLA-4 activity for enhancing immune responses against cancer. mAbs have several disadvantages including high production cost and unstable behavior. Nanobodies (Nbs) are single-domain antigen binding fragments derived from the camelid heavy-chain antibodies, which are highly attractive in cancer immunotherapy due to their small size, high specificity, and stability. We selected CTLA-4-specific Nbs from a high quality dromedary camel immune library by phage display technology. Four positive colonies were sequenced and classified based on the amino acids sequences in the CDR3 region. These Nbs recognized unique epitopes on CTLA-4 and displayed high binding rates when used on PHA-stimulated human T cells. Treatment of B16 melanoma-bearing C57BL/6 mice with anti-CTLA-4 nanobody 16 (Nb16) delayed melanoma growth and prolonged the survival time of mice. These data indicate that anti-CTLA-4 Nbs selected from a high quality phage display library may be effective for the treatment of patients with tumors. PMID- 29207144 TI - DNER modulates the length, polarity and synaptogenesis of spiral ganglion neurons via the Notch signaling pathway. AB - The Delta/Notch-like epidermal growth factor-related receptor (DNER) serves an important role in the developing central nervous system. However, the actions of DNER in the development of the spiral ganglion in the inner ear have yet to be elucidated. Wild-type C57BL/6 mice were housed and time-mated for use in the present study. Primary neuronal cultures were prepared using spiral ganglion progenitors isolated from the modiolus of postnatal day 1 (P1) mice. DNER recombinant lentiviral vectors were constructed and transfected into the cultured primary neurons. The relative proportion of differentiated neurons and the length of their neurites were evaluated using microscopy. The results of the present study demonstrated that DNER was expressed in spiral ganglion neurons (SGNs) that exhibited significant polarity in the early differentiation stages; DNER expression gradually decreased until the polarity was lost on week 35. The in vitro expression of DNER was revealed to be similar to that in vivo. When DNER expression was silenced using RNA interference, the polarity of the differentiated neurons was altered and they exhibited significantly reduced dendritic length. In addition, the proportion of bipolar neurons was decreased compared with the control group. Furthermore, the expression of alpha-synuclein and the GluR2/3 subunits of the alpha-amin-o-3-hydroxy-5-methyl-4 isoxazolepropionic acid glutamate receptor were also reduced in cultured neurons in which DNER was silenced. Notch1 was co-expressed with DNER in SGNs isolated from P1 mice. The indirect Notch inhibitor N-[N-(3,5-Difluorophenacetyl)-L alanyl]-S-phenylglycine t-butyl ester also affected the polarity and the formation of protrusions, and reduced the expression of DNER and glial fibrillary acidic protein in SGNs. In conclusion, the present study demonstrated that DNER was expressed in SGNs and appeared to be involved in the mechanisms underlying neuronal polarity and neuritogenesis, via a Notch-dependent signaling pathway. PMID- 29207145 TI - MicroRNA-133a acts as a tumour suppressor in breast cancer through targeting LASP1. AB - Many microRNAs (miRs) have been demonstrated to play promoting or tumor suppressive roles in human cancers including breast cancer. However, the molecular mechanism of miR-133a underlying the malignant progression of breast cancer still remains obscure. In the present study we observed that the expression of miR-133a was significantly downregulated in breast cancer tissues and cell lines, when compared with adjacent non-tumor tissues and normal breast cell line, respectively. Reduced miR-133a levels were significantly associated with advanced clinical stage, lymph node metastasis, as well as shorter survival time of patients with breast cancer. Restoration of miR-133a expression led to significant decrease in the proliferation, migration, and invasion of SK-BR-3 and MDA-MB-231 cells in vitro, as well as in tumor xenograft growth in nude mice. Luciferase reporter gene assay data identified LASP1 as a target gene of miR 133a, and the expression of LASP1 was negatively regulated by miR-133a in breast cancer cells. LASP1 was significantly upregulated in breast cancer tissues and cell lines, and its upregulation was significantly associated with disease progression. siRNA-induced LASP1 downregulation caused a significant reduction in breast cancer cell proliferation, migration and invasion. Furthermore, overexpression of LASP1 impaired the suppressive effects of miR-133a upregulation on the proliferation, migration and invasion of SK-BR-3 and MDA-MB-231 cells. In summary, the present study demonstrates that miR-133a acts as a tumor suppressor in breast cancer partly at least via targeting LASP1, and thus suggests that the miR-133a/LASP1 axis may become a potential therapeutic target for breast cancer. PMID- 29207146 TI - Interference of Notch 1 inhibits the proliferation and invasion of breast cancer cells: Involvement of the beta-catenin signaling pathway. AB - Breast cancer is one of the most common types of carcinoma in humans. The aim of the present study was to identify the role of Notch 1 in the proliferation and invasion of human breast cancer cells. Firstly, the levels of Notch 1 were determined by western blot analysis in breast cancer cell lines, and the results revealed that the expression levels of Notch 1 were markedly higher in MDA-MB-231 and MCF-7 cells, and lower in MCF-10A cells, compared with human mammary epithelial cells. An MTT assay was used to determine the viability of breast cancer cells. The optical density (OD)490 values were significantly decreased in Notch 1 short hairpin (sh)RNA-transfected MCF-7 and MDA-MB-231 cells, compared with the OD490 values in the negative control shRNA-transfected cells. The MCF-7 cells and MDA-MB-231 cells were also treated with increasing concentrations of MRK003, a Notch 1 inhibitor, for 24, 48 and 72 h, respectively. The inhibition rate was gradually increased in the MRK003-treated cells in a time- and dose dependent manner. The invasive ability of the cells was determined using a Transwell migration assay. The migration ability was significantly decreased in the Notch 1-transfected MCF-7 cells and MDA-MB-231 cells. The molecular mechanism was examined, and the knockdown of Notch 1 significantly decreased the expression levels of beta-catenin, matrix metalloproteinase (MMP)-2 and MMP-9, and was also correlated with the downregulation of beta-catenin in the nucleus. In conclusion, Notch 1 was key in the progression of breast cancer, and knocking down the expression of Notch 1 significantly suppressed the proliferation and invasion of breast cancer cells. This provides novel clues for cancer therapy in human breast cancer. PMID- 29207147 TI - Effect and mechanism of RNAi targeting WWTR1 on biological activity of gastric cancer cells SGC7901. AB - Gastric cancer (GC) is one of the most common malignancies in the world. It is essential to develop novel targets and therapeutic approaches for GC, which requires identification of novel functional molecules. WW-domain containing transcription regulator 1 (WWTR1) may activate many transcriptional factors and exhibit an important role in the development of various tissues in mammals. The results of the present study demonstrated that mRNA and protein levels of WWTR1 are increased in GC tissues and cell lines. The SGC7901 cell line was selected to perform RNA interference (RNAi) targeting WWTR1, and for subsequent study. Compared with control groups (cells without any treatment) and mock groups (cells treated with nonspecific siRNA), cell proliferation of siWWTR1 cells (cells treated with WWTR1 siRNA) was detected using a Cell Counting Kit-8 assay at 12, 24 and 48 h, and decreased in a time-dependent manner. Cell cycle and apoptosis status were determined by flow cytometry, and it was demonstrated that G1/S transition was blocked in the cell cycle and apoptosis promoted in siWWTR1 cells, compared with control and mock cells. Reverse transcription-quantitative polymerase chain reaction and western blotting were performed to detect the mRNA and protein levels of cell cycle and apoptosis-associated factors. The expression of Cyclin D1, cancer Myc and B cell lymphoma/leukemia-2 (Bcl-2) decreased and Bcl 2 associated X protein increased significantly in siWWRT1 cells, at the mRNA and protein level, compared with control and mock cells. With the exception of the Hippo pathway, siWWTR1 regulated downstream factors, including mothers against decapentaplegic homolog family member 3 (SMAD3) and inhibitor of DNA binding 1, HLH protein (ID1), HLH protein in the transforming growth factor (TGF)-beta pathway. The expression of asparagine synthetase was decreased whereas ID1, SMAD3 (proteins that participate in intracellular TGF-beta transduction) and betacellulin increased notably in siWWRT1 cells. In conclusion, WWTR1 promotes cell proliferation and inhibits apoptosis of GC cells by regulating cell cycle/apoptosis-associated factors, and effectors in the TGF-beta pathway. PMID- 29207148 TI - Paeoniflorin inhibits PDGF-BB-induced human airway smooth muscle cell growth and migration. AB - Abnormal proliferation and migration of airway smooth muscle cells (ASMCs) is important in the progression of asthma. Paeoniflorin (PF), one of the major active ingredients of Paeonia lactiflora, has been reported to exhibit anti asthmatic effects. However, the effects of PF in the regulation of platelet derived growth factor (PDGF)-BB-induced ASMC proliferation and migration remain unknown. The present study was designed to investigate the effects of PF on human ASMCs and the underlying mechanism. The results demonstrated that PF treatment significantly reduced the numbers of live ASMC cells and their PDGF-BB-induced migration. PF treatment also suppressed PDGF-BB-induced alpha-smooth muscle actin expression in ASMCs. Furthermore, pretreatment with PF reduced PDGF-BB-induced phosphorylation of phosphoinositide 3-kinase (PI3K) and AKT serine/threonine kinase 1 (Akt) in ASMCs. In conclusion, the present study demonstrated for the first time that PF inhibited ASMC growth and migration induced by PDGF-BB, and that this effect may be partly due to inhibition of the PI3K/Akt signaling pathway. The results provide novel information regarding the role of PF as a potential therapeutic agent for the treatment of asthma. PMID- 29207149 TI - Knockdown of Trio by CRISPR/Cas9 suppresses migration and invasion of cervical cancer cells. AB - Triple functional domain protein (Trio) is an evolutionarily conserved protein with guanine nucleotide exchange factors that regulate different physiological processes in some types of cancer. However, the expression and function of Trio in cervical cancer are still unknown. The purpose of this study was to detect the expression of Trio in cervical cancer tissues and to evaluate its clinical value. Furthermore, the effects of the Trio on the migration and invasion of cervical cancer cells and its mechanism were investigated in vitro. The results of the present study revealed that Trio expression levels were significantly higher in most of the clinical cervical cancer samples than in adjacent tissues. The clinicopathological significance of Trio expression was also analyzed, and the results revealed that high expression levels in cervical cancer were correlated with lymph node metastasis (P=0.005). The CRISPR/Cas9 system was used to knockdown the endogenous Trio. The inhibition of Trio significantly decreased the migration and invasion abilities of cervical cancer cells. Meanwhile, levels of RhoA/ROCK signaling factors (RhoA, Rock, and p-LIMK), which contributed to cell migration and invasion, were decreased along with the inhibition of Trio. Therefore, Trio may regulate the migration and invasion of cervical cancer through the RhoA/ROCK signaling pathway. PMID- 29207150 TI - Inhibition of autophagy enhances the targeted therapeutic effect of sorafenib in thyroid cancer. AB - The multi-target kinase inhibitor sorafenib has been approved for the treatment of patients with advanced differentiated thyroid cancer. However, different sensitivities to sorafenib have been observed, and few patients have benefited from sorafenib treatment in the long term. In the event of acquired resistance to sorafenib it is not beneficial to continue treatment in most patients. Autophagy can be induced in a variety of cancer treatments and plays an important role in cancer treatment. The role of autophagy in sorafenib treatment of thyroid cancer has not been fully demonstrated. The present study investigated whether autophagy is activated by sorafenib during the treatment of thyroid cancer, examined the underlying mechanisms, and explored potential strategies to enhance the therapeutic sensitivity of sorafenib. Chloroquine (CQ) is an autophagy inhibitor that has been reported to increase sensitivity to various cancer treatments. Thyroid cancer xenograft model mice were treated with sorafenib, CQ, or a combination of sorafenib and CQ. We observed that CQ or sorafenib treatment suppressed tumor growth, while mice treated with the combination of sorafenib and CQ displayed significantly reduced tumor growth compared with those treated with sorafenib or CQ alone. Western blotting results indicated that sorafenib concurrently inhibited the activities of the MAPK and AKT/mTOR pathways in thyroid cancer. Autophagy was activated by sorafenib in thyroid cancer, both in vitro and in vivo, which was at least in part due to suppression of the AKT/mTOR pathway. Combination treatment including CQ could inhibit the autophagic flux induced by sorafenib. Silencing the key autophagy gene ATG5 using small interfering RNA also increased the anticancer effect of sorafenib. In summary, the present study revealed that inhibition of autophagy enhances the anticancer effect of sorafenib, and the combination of CQ with sorafenib treatment represents a potential therapeutic strategy for treating advanced differentiated thyroid cancer. PMID- 29207151 TI - Long non-coding nuclear paraspeckle assembly transcript 1 acts as prognosis biomarker and increases cell growth and invasion in cervical cancer by sequestering microRNA-101. AB - Emerging studies have focused on the essential role of long non-coding RNAs (lncRNAs) in cervical carcinogenesis. A recent study has indicated that nuclear paraspeckle assembly transcript 1 (NEAT1) is highly expressed in the human cervical tissue. However, whether NEAT1 is involved in cervical cancer remains to be elucidated. Reverse transcription-quantitative polymerase chain reaction results demonstrated that the expression of NEAT1 was higher in cervical cancer cells/tissues compared with that in normal human keratinocytes/tissues. Patients with higher NEAT1 level had poorer clinical characteristics and a shorter survival time compared with those that exhibited lower NEAT1 expression levels. In vitro, flow cytometery analysis revealed that transfection with NEAT1 small interfering RNA retarded cervical cancer cell (Caski and HeLa) growth by decreasing the percentage of S phase in the cell cycle and inducing cell apoptosis. In addition, the colony formation assay, wound healing assay and matrigel invasion assay results indicated that downregulation of NEAT1 inhibited colony formation, cell migration and invasion. Further investigation using the luciferase reporter assay revealed that the expression of mircoRNA-101 (miR-101) target gene Fos was positively associated with NEAT1 expression due to NEAT1 competitive molecular sequestering of miR-101 via base pairing. Furthermore, reduction of miR-101 expression by inhibitor transfection reversed the effect of NEAT1 siRNA on cervical cancer cells. To conclude, the present data indicated that NEAT1 promoted cervical cancer progression by targeting miR-101. PMID- 29207152 TI - Increased soluble ST2 and IL-4 serum levels are associated with disease severity in patients with membranous nephropathy. AB - The interleukin (IL)-33/suppression of tumorigenicity 2 (ST2) axis regulates Th2 reactivity, and ST2 is the receptor for IL-33. In this study, the roles of IL-33 and soluble ST2 (sST2) in the pathogenesis of membranous nephropathy (MN), and their association with disease severity were evaluated. Serum levels of IL-33 and sST2 in 93 patients, and 34 healthy controls (HCs) were measured by enzyme-linked immunosorbent assays. Clinical characteristics were recorded and the estimated glomerular filtration rates (eGFRs) were computed. In addition, the association between serum IL-33 and sST2 levels, and clinical measurements in patients with MN was analyzed. No difference in the serum levels of IL-33 was identified between the patients with MN and HCs. However, the serum levels of sST2 were considerably higher in the MN patients compared with in the HCs at every stage. Higher concentrations of serum IL-2, IL-4, IL-10, IL-17A, and IFN-gamma were measured in the MN patients compared with in the HCs. Serum sST2 concentrations were negatively correlated with IL-4 concentrations in the patients with MN. Furthermore, serum sST2 levels were negatively correlated with the eGFRs and serum calcium levels. Serum sST2 levels, but not IL-33 levels, were positively correlated with the 24-h urine protein and serum phosphorus levels. Following treatment, serum sST2 levels were considerably reduced, whereas serum IL-4 and IL 10 levels were significantly increased. These data suggest that sST2 and IL-4, but not IL-33, contribute to the pathogenesis of MN. PMID- 29207153 TI - FGFR inhibitor BGJ398 and HDAC inhibitor OBP-801 synergistically inhibit cell growth and induce apoptosis in bladder cancer cells. AB - In advanced bladder cancer, cisplatin-based chemotherapy has been the standard treatment for many years, but there are many problems in terms of side-effects. Recently, a number of clinical trials using molecular-targeted agents have been conducted, and new therapies are expected that could replace conventional cytotoxic chemotherapy. We herein report that concurrent treatment with fibroblast growth factor receptor (FGFR) inhibitor BGJ398 and the novel histone deacetylase (HDAC) inhibitor OBP-801/YM753/spiruchostatin A synergistically inhibited cell growth and markedly induced apoptosis in high-grade bladder cancer cells. This combination activated caspase-3, -8 and -9, and the pan-caspase inhibitor zVAD-fmk significantly reduced the apoptotic response to the combined treatment. The combination upregulated the expression of Bim, one of the pro apoptotic molecules. In the present study, Bim siRNA efficiently reduced apoptosis induced by the co-treatment of BGJ398 and OBP-801. Therefore, the apoptosis induced by the combination was shown to be at least partially dependent on Bim. Taken together, these results suggest that the combination of BGJ398 and OBP-801 is a novel high potential therapeutic strategy for muscle-invasive bladder cancer. PMID- 29207154 TI - Adipose-derived stem cell conditioned medium attenuates cisplatin-triggered apoptosis in tongue squamous cell carcinoma. AB - Autologous fat grafting procedures have noted a markedly increased frequency, not only for cosmetic purposes, but also for deformities after head and neck cancer and breast cancer surgery. Carcinogenesis is always a major concern in cell therapy-related issues. However, there is no literature discussing this issue in head and neck squamous cell carcinoma patients. To evaluate the interaction of tongue cancer cells and adipose-derived stem cells, we performed a series of in vitro experiments. Our results demonstrated that cisplatin significantly reduced the viabilities of SCC-25 and CAL-27 cells in a concentration-dependent manner, but it had low cytotoxicity in cisplatin-resistant CAL-27 (CAR) cells. There was no significant difference in terms of viability among the SCC-25, CAL-27, and CAR cells in the adipose-derived stem cell conditioned medium and control groups. There was also no significant difference in terms of cell migration as determined by wound healing assay of SCC-25, CAL-27, and CAR cells between the adipose derived stem cell conditioned medium treatment and control treatment. Importantly, the adipose-derived stem cell conditioned medium attenuated cisplatin-triggered cell death in the SCC-25 and CAL-27 cells. Moreover, adipose derived stem cell conditioned medium markedly inhibited cisplatin-induced apoptotic cell death (sub-G1 phase) in the CAL-27 cells. Western blot analyses indicated that cisplatin-induced reductions in pro-caspase-3, pro-caspase-9, phospho-BAD, phospho-IGF-1R, phospho-AKT, and phospho-ERK in CAL-27 cells were reversed by adipose-derived stem cell conditioned medium supplement. Taken together, we provide evidence that adipose-derived stem cell conditioned medium protects CAL-27 cells from cisplatin-induced cell death, possibly through upregulation of the IGF-1R/AKT/ERK signaling pathway. PMID- 29207155 TI - miRNA-27a promotes the proliferation and inhibits apoptosis of human pancreatic cancer cells by Wnt/beta-catenin pathway. AB - A specific expression of miRNA in pancreatic cancer renders it the novel diagnostic marker of pancreatic cancer. Therefore, we investigated how the anticancer effect of miRNA-27a suppressed cell growth and induced apoptosis of human pancreatic cancer cells. We upregulated miRNA-27a expression in PANC-1 cells using miRNA-27a mimic, which demonstrated that induction of cell growth and suppression of apoptosis of human pancreatic cancer cells were observed. However, anti-miRNA-27a inhibited cell growth and apoptosis in pancreatic cancer cells. The downregulation of miRNA-27a suppressed Wnt/beta-catenin pathway. The inhibition of Wnt/beta-catenin pathway increased the anticancer effects of anti miRNA-27a on human pancreatic cancer cells. Taken together, miRNA-27a promotes the proliferation and inhibits apoptosis of human pancreatic cancer cells via Wnt/beta-catenin pathway. PMID- 29207156 TI - MAPK inhibitors, particularly the JNK inhibitor, increase cell death effects in H2O2-treated lung cancer cells via increased superoxide anion and glutathione depletion. AB - Reactive oxygen species (ROS), especially hydrogen peroxide (H2O2), induce apoptosis in cancer cells by regulating mitogen-activated protein kinase (MAPK) signaling pathways. The present study investigated the effects of MAPK inhibitors on cell growth and death as well as changes in ROS and glutathione (GSH) levels in H2O2-treated Calu-6 and A549 lung cancer cells. H2O2 inhibited growth and induced death of Calu-6 and A549 lung cancer cells. All MAPK inhibitors appeared to enhance growth inhibition in H2O2-treated Calu-6 and A549 lung cancer cells and increased the percentage of Annexin V-FITC-positive cells in these cancer cells. Among the MAPK inhibitors, a JNK inhibitor significantly augmented the loss of mitochondrial membrane potential (MMP; DeltaPsim) in H2O2-treated Calu-6 and A549 lung cancer cells. Intracellular ROS levels were significantly increased in the H2O2-treated cells at 1 and 24 h. Only the JNK inhibitor increased ROS levels in the H2O2-treated cells at 1 h and all MAPK inhibitors raised superoxide anion levels in these cells at 24 h. In addition, H2O2 induced GSH depletion in Calu-6 and A549 cells and the JNK inhibitor significantly enhanced GSH depletion in H2O2-treated cells. Each of the MAPK inhibitors altered ROS and GSH levels differently in the Calu-6 and A549 control cells. In conclusion, H2O2 induced growth inhibition and death in lung cancer cells through oxidative stress and depletion of GSH. The enhanced effect of MAPK inhibitors, especially the JNK inhibitor, on cell death in H2O2-treated lung cancer cells was correlated with increased O2*- levels and GSH depletion. PMID- 29207157 TI - Microarray analysis reveals gene and microRNA signatures in diabetic kidney disease. AB - The current study aimed to identify therapeutic gene and microRNA (miRNA) biomarkers for diabetic kidney disease (DKD). The public expression profile GSE30122 was used. Following data preprocessing, the limma package was used to select differentially-expressed genes (DEGs) in DKD glomeruli samples and tubuli samples and they were compared with corresponding controls. Then overlapping DEGs in glomeruli and tubuli were identified and enriched analysis was performed. In addition, protein-protein interaction (PPI) network analysis as well as sub network analysis was conducted. miRNAs of the overlapping DEGs were investigated using WebGestal. A total of 139 upregulated and 28 downregulated overlapping DEGs were selected, which were primarily associated with pathways involved in extracellular matrix (ECM)-receptor interactions and cytokine-cytokine receptor interactions. CD44, fibronectin 1, C-C motif chemokine ligand 5 and C-X-C motif chemokine receptor 4 were four primary nodes in the PPI network. miRNA (miR)-17 5p, miR-20a and miR-106a were important and nuclear receptor subfamily 4 group A member 3 (NR4A3), protein tyrosine phosphatase, receptor type O (PTPRO) and Kruppel like factor 9 (KLF9) were all predicted as target genes of the three miRNAs in the integrated miRNA-target network. Several genes were identified in DKD, which may be involved in pathways such as ECM-receptor interaction and cytokine-cytokine receptor interaction. Three miRNAs may also be used as biomarkers for therapy of DKD, including miR-17-5p, miR-20a and miR-106a, with the predicted targets of NR4A3, PTPRO and KLF9. PMID- 29207158 TI - Overexpression of miR-19a inhibits colorectal cancer angiogenesis by suppressing KRAS expression. AB - The microRNA miR-19a is closely related to tumor formation and development and is a key oncogene. Previous studies have demonstrated that miR-19a is upregulated in multiple cancer types, including colorectal cancer (CRC). However, most of these experiments were performed in vitro, and consequently, the mechanisms underlying the effects of miR-19a on CRC are still unclear. Therefore, in the present study, we investigated the role of miR-19a in the development of solid CRC tumors. We generated KRAS 3'UTR-Mut by deleting the predicted binding site for miR-19a in KRAS, and observed that the expression of a reporter gene containing the KRAS 3'UTR in HCT116 cells was suppressed by miR-19a, while that of a reporter gene with mutant KRAS 3'UTR was unaffected by miR-19a. We observed that high miR-19a levels reduced KRAS expression. In the tube formation assay, overexpression of miR-19a exhibited anti-angiogenesis effects, which were rescued by KRAS expression. We established a nude mouse xenograft model to investigate the specific role of miR-19a in solid tumors. The results revealed that the sizes of xenograft tumors and density of blood vessels developed from HCT116 cells expressing miR-19a were smaller/lower compared with those of the control. KRAS and VEGFA levels were also reduced. In conclusion, our results revealed that miR 19a overexpression supressed KRAS expression and angiogenesis in CRC, indicating possibilities of using miR-19a in future therapeutic applications. PMID- 29207159 TI - Downregulation of miR-146a promotes proliferation and migration of AOB-treated embryoid body via PDGFRA induction. AB - Antioxidant of bamboo leaves (AOB) has been proven to have antioxidant activity and an inhibitory effect on free radicals that induce deterioration of macromolecules. The multi-target regulation of microRNAs (miRs) in the complicated process of vasculogenesis and angiogenesis lead to the use of miRNA therapy in vascular development. In the present study, the role of miRNAs on early embryo vascular development upon AOB stimulation was investigated. For this purpose, mouse embryonic stem cells were spontaneously differentiated as embryoid bodies (EBs) and were examined by phase contrast microscopy. miR-146a mimic and scramble control were transfected into EBs and potential targets of miR-146a were predicted. Cell proliferation and migration were detected by cell viability and wound-healing and migration assays, respectively. Angiogenesis was determined by the Spheroid sprouting assay. It was demonstrated that EBs transfected with miR 146a mimic had an increased growth rate compared with the control cells. miR-146a transfected cells were very susceptible to AOB treatment. Furthermore, among the predicted miR-146a targets, platelet-derived growth factor receptor alpha (PDGFRA) was identified as a bona fide target of miR-146a. In conclusion, PDGFRA was demonstrated to participate in the modulation of cell migration and proliferation of mouse EBs. The present study expanded the current understanding of AOB biology and elucidated the mechanisms underlying early embryo vascular development upon AOB stimulation. PMID- 29207160 TI - UNC0638, a G9a inhibitor, suppresses epithelial-mesenchymal transition-mediated cellular migration and invasion in triple negative breast cancer. AB - Triple-negative breast cancer (TNBC) is associated with an aggressive clinical history, high risk of recurrence and metastasis, and shorter patient survival due to lack of targeted therapy. In the present study, UNC0638, a chemical G9a inhibitor, was identified to suppress TNBC cell invasion and migration in vitro at a non-cytotoxic concentration. In addition, UNC0638 reduced the size and number of the tumorsphere and decreased anchor-independent colony formation in the two TNBC cell lines. Evaluation of the underlying mechanism revealed that the suppressive effect of UNC0638 is associated with modulation of epithelial mesenchymal transition through enhancing E-cadherin promoter activities and restoring its expression. Thus, the current data indicates that UNC0638 may be developed as a chemotherapeutic agent to effectively treat metastatic cancers, including TNBC. PMID- 29207161 TI - Inhibition of autophagy in hepatocarcinoma cells promotes chemotherapeutic agent induced apoptosis during nutrient deprivation. AB - Autophagy is a lysosome-dependent process involved in protein and organelle degradation. It has been suggested that autophagy is activated in nutrient deficient condition and plays an important role in protecting cells from nutrient shortage. However, the effect of autophagy on chemotherapy during nutrient deficiency has been rarely researched. In the present study, we discovered that hepatocarcinoma cells exhibit chemoinsensitivity accompanied by the activation of autophagy when cultured in nutrient-deprived medium. Inhibition of autophagy by 3 methyladenine or siRNA-targeted Beclin 1 increased the nutrient deprivation induced apoptosis and chemosensitivity in hepatocarcinoma cells. Furthermore, decreased mitochondrial mass was detected when cells underwent autophagy. The present study suggests that induction of autophagy confers a survival advantage for hepatocarcinoma cells during nutrient deprivation, not only rescuing cells from nutrient deficiency-induced cell apoptosis, but also protecting cells from chemotherapy-induced cell death. Combined usage of the inhibition of autophagy and conventional chemotherapeutic agents could be an effective therapy for hepatocarcinoma during nutrient deprivation. PMID- 29207162 TI - miR-33a hinders the differentiation of adipose mesenchymal stem cells towards urothelial cells in an inductive condition by targeting beta-catenin and TGFR. AB - Tissue engineering technology offers an appealing approach for tissue reconstruction of the urothelium. Adipose-derived mesenchymal stem cells (ADSCs) represent an abundant source for tissue engineering applications. However, ASCs primarily possess mesoderm lineage differentiation potential. It is difficult to induce differentiation of ASCs towards urothelial cells that are derived from the endoderm, although a recent findings have reported that a conditioned medium may drive ADSCs towards differentiation into the urothelium phenotype. In the present study, human ADSCs were isolated from abdominal adipose tissues and incubated in this conditioned medium for indicated time periods. Western blotting showed that protein expression levels of urothelial specific marks, including CK7, CK20 and UPIII, were increased after seven days' incubation, but immunofluorescence microscopy determined that cells with CK7 and UPIII staining were scarce, which suggested a low-efficiency for the differentiation. Prolonging the incubation time did not further increase CK20 and UPIII expression. Furthermore, miR-33a expression was increased with ADSC differentiation. Using synthetic miRNAs to mimic or inhibit the action of miR-33a revealed that miR-33a hinders the differentiation of ADSCs towards urothelial cells. Furthermore, luciferase reporter assay confirmed that beta-catenin and transforming growth factor-beta receptor (TGFR) are targets of miR-33a. Inhibition of miR-33a expression increased beta-catenin and TGFR expression and improved the efficiency of ADSCs towards differentiation into the urothelium phenotype. The present novel finding suggests that miR-33 may be an important target in tissue engineering and regenerative medicine for urothelium repair. PMID- 29207163 TI - Preclinical analysis of MTOR complex 1/2 inhibition in diffuse intrinsic pontine glioma. AB - Diffuse intrinsic pontine glioma (DIPG) is an incurable childhood brain tumor. The mechanistic target of rapamycin (MTOR), a key oncogene, functions as two distinct signaling complexes, MTORC1 and MTORC2. We set out to determine the preclinical efficacy and mechanism of action of MTOR inhibitors in DIPG. We evaluated the MTORC1 inhibitor everolimus and the MTORC1/2 inhibitor AZD2014 in three patient-derived DIPG cell lines using cell culture models. We created dose response curves for both compounds. We measured phenotypic effects on cell self renewal, apoptosis, cell cycle, differentiation, senescence, and autophagy. We assessed the effects of each compound on the AKT pathway. Finally, we measured the efficacy of AZD2014 in combination with radiation therapy (RT) and a panel of FDA-approved chemotherapy drugs. While everolimus showed minimal antitumor efficacy, AZD2014 revealed IC50 levels of 410-552 nM and IC90 levels of 1.30-8.86 uM in the three cell lines. AZD2014 demonstrated increased inhibition of cell self-renewal compared to everolimus. AZD2014 decreased expression of phospho-AKT, while no such effect was noted with everolimus. Direct AKT inhibition showed similar efficacy to AZD2014, and induction of constitutive AKT activity rescued DIPG cells from the effects of AZD2014. AZD2014 exhibited synergistic relationships with both RT and various chemotherapy agents across classes, including the multikinase inhibitor ponatinib. MTORC1/2 inhibition shows antitumor activity in cell culture models of DIPG due to the effect of MTORC2 inhibition on AKT. This strategy should be further assessed for potential incorporation into combinatorial approaches to the treatment of DIPG. PMID- 29207164 TI - Silencing TGIF suppresses migration, invasion and metastasis of MDA-MB-231 human breast cancer cells. AB - This study explored the potential role of TG-interacting factor (TGIF) in migration, invasion and metastasis of the human breast cancer cell line MDA-MB 231. Western blot assay, immunohistochemistry and qRT-PCR assays were applied to detect the expression of protein and mRNA. Wound healing assay, Transwell invasion assay and tail vein metastatic assay were performed to assess the migration, invasion and metastasis of stable TGIF-silenced MDA-MB-231 cell line in vitro and in vivo. The significantly higher frequency of TGIF high-expression was observed in metastatic breast cancer (62.9%) compared to that in non metastatic breast cancer (25.8%). Silencing TGIF suppressed migration and invasion of MDA-MB-231 cells in vitro and tumor metastasis in nude mouse models. The expression of Snail1, matrix metalloproteinase 2 (MMP2) and beta-catenin was markedly decreased in the stable TGIF-silenced MDA-MB-231 cells compared with the control cells. Our results suggest that silencing TGIF suppressed the migration, invasion and metastasis of the human breast cancer cell line MDA-MB-231 using in vitro and in vivo experiments. PMID- 29207165 TI - Combination treatment of FTY720 and cisplatin exhibits enhanced antitumour effects on cisplatin-resistant non-small lung cancer cells. AB - A major common medical treatment for lung carcinoma is cisplatin (DDP)-based therapy. However, the development or existence of chemoresistance frequently blocks its effectiveness. Currently, autophagy is recognised as a potential anticancer strategy, although there is controversy over its role in the development of cancer. In lung carcinoma, no studies of autophagy induced by FTY720, a sphingosine 1-phosphate analog and a novel immunosuppressant drug, have been published, while apoptosis has been shown to be induced by FTY720 in several cancer cell lines. We evaluated the effects of FTY720 on autophagy in A549 cells and studied the related mechanisms of cell autophagy and apoptosis in non-small cell lung carcinoma, including both DDP-resistant and -sensitive cells. The results revealed that FTY720 inhibited the growth and induced apoptosis in the A549/DDP cells in a time- and dose-dependent manner and the combination of FTY720 and DDP further enhanced apoptosis in these cells as determined by CCK-8 assay, western blotting and flow cytometry. Compared with the sensitive cell line A549, DDP-resistant A549/DDP cells showed a substantial increase in baseline autophagy as determined by increased LC puncta, and expression of LC3-I, LC3-II and Atg7 expression. DDP-induced apoptotic cell death was enhanced by the blockade of either siRNA-mediated knockdown of Atg7 genetic expression or a pharmacological inhibitor (3-MA). Moreover, the combination of FTY720 and DDP showed enhanced antitumour activity in vivo in lung cancer-bearing mice. Immunohistochemistry showed that the mice with lung carcinoma treated with FTY720 and DDP showed decreased expression of Atg7 and Ki67. Compared with monotherapy in vivo and in vitro, FTY720 in combination with DDP inhibited A549 cell growth more effectively. and these findings also show the influence of FTY720 in the induction of autophagy. Overall, the results indicated that FTY720 in combination with a DDP-based regime could enhance the effectiveness of lung carcinoma treatment. PMID- 29207166 TI - Pentosan polysulfate ameliorates apoptosis and inflammation by suppressing activation of the p38 MAPK pathway in high glucose-treated HK-2 cells. AB - The apoptosis of tubular epithelial cells in diabetic nephropathy (DN) is commonly observed in human renal biopsies. Inflammation plays a key role in DN, and pentosan polysulfate (PPS) has been shown to largely attenuate the inflammation of nephropathy in aging diabetic mice. p38 mitogen-activated protein kinase (p38 MAPK) plays a crucial role in tissue inflammation and cell apoptosis, and it is activated by hyperglycemia. In the present study, high glucose (HG) treated human renal proximal tubular epithelial cells (HK-2) were used to examine the protective effects of PPS against HG-stimulated apoptosis and inflammation. The results of the study revealed that PPS markedly suppressed the HG-induced reduction in cell viability. Incubation of HK-2 cells with HG activated the p38 MAPK pathway and, subsequently, as confirmed by western blot analysis and flow cytometry, increased cell apoptosis, which was blocked by PPS. In addition, PPS treatment significantly inhibited HG-stimulated p38 MAPK and nuclear factor kappaB activation, and reduced the production of pro-inflammatory cytokines, such as tumor necrosis factor-alpha, interleukin (IL)-1beta and IL-6. In conclusion, PPS ameliorates p38 MAPK-mediated renal cell apoptosis and inflammation. The anti apoptotic actions and anti-inflammatory effects of PPS prompt further investigation of this compound as a promising therapeutic agent against DN. PMID- 29207167 TI - Prazosin protects myocardial cells against anoxia-reoxygenation injury via the extracellular signal-regulated kinase signaling pathway. AB - Ischemic heart disease (including coronary arterial atherosclerosis, or vascular cavity stenosis or occlusion) remains the leading cause of disease-associated mortality worldwide. Prazosin, a receptor blocker of postsynaptic adrenaline, is essential in expanding peripheral arteries, which decreases peripheral vascular resistance, and regulates anti-hypertensive action. However, the mechanisms underlying the effects of prazosin have not been fully elucidated. The aim of the present study was to investigate the protective effects of prazosin on myocardial cells against anoxia-reoxygenation injury in a mouse model. The regulatory effects of prazosin on blood lipid levels and blood pressure were investigated in experimental mice. Furthermore, inflammation responses and oxidative stress in myocardial cells were analyzed in mice treated with prazosin. Apoptotic myocardial cells were investigated in experimental mice treated with prazosin. In addition, apoptotic gene expression levels were evaluated in myocardial cells. Extracellular signal-regulated kinase (ERK) expression and phosphorylation was investigated in myocardial cells in mice with anoxia-reoxygenation injury following prazosin treatment. The activity and expression levels of nuclear factor of activated T cells (NF-AT), activator protein 1 (AP-1) and necrosis factor (NF)-kappaB were observed in myocardial cells. Furthermore, histological analyses were performed to investigate the benefits of prazosin treatment on anoxia-reoxygenation injury. The results of the present study identified that prazosin decreased the expression levels of inflammatory factors, interleukin (IL)-6, tumor necrosis factor (TNF)-alpha, IL-10 and IL-1 in the serum of mice exhibiting hypoxia/reoxygenation injury. Oxidative stress was observed to be improved and the apoptosis rate was decreased in myocardial cells in anoxia reoxygenation injury model mice treated with prazosin. ERK expression and phosphorylation was upregulated, and expression levels of NF-AT, AP-1 and NF kappaB were downregulated in the myocardial cells of mice treated with prazosin. Blood lipid levels and blood pressure of the anoxia-reoxygenation injury model mice were markedly improved following treatment with prazosin. Histological analysis indicated that the area, circumference fragmentation and segmentation of myocardial cells were significantly improved following prazosin treatment. Thus, these results indicate that prazosin treatment decreases inflammation responses, oxidative stress, and apoptosis of myocardial cells via regulation of the ERK signaling pathway. The findings indicate that prazosin may present as a potential therapeutic agent for the treatment of hypoxia/reoxygenation injury. PMID- 29207168 TI - Targeted next-generation sequencing reveals two novel mutations of NBAS in a patient with infantile liver failure syndrome-2. AB - Mutations in neuroblastoma amplified sequence (NBAS) cause infantile liver failure syndrome-2 (ILFS2). NBAS is a protein involved in Golgi-to-endoplasmic reticulum retrograde transport. Exon capture in combination with high-throughput sequencing was used to detect NBAS mutations. Via targeted sequencing, two causative mutations were identified from 358 selected genes associated with growth and development diseases; one was a missense mutation, c.3596G>A (p.C1199Y), detected in the coding region of NBAS (NM_015909.3), and the other a splice site mutation, c.209+1G>A. Both of these were heterozygous. The SEC39 structure of the wild-type NBAS protein was compared with a model of the mutated protein. The overall structure of the SEC39 after mutation did not change; however, steric hindrance did increase. In conclusion, two novel NBAS mutations were identified in a 4-year-old Chinese girl with ILFS2. PMID- 29207169 TI - Daam1 activates RhoA to regulate Wnt5a-induced glioblastoma cell invasion. AB - The signaling pathway of dishevelled-associated activator of morphogenesis 1 (Daam1) triggered by Wnt5a drives cell movement and migration during breast cancer metastasis. However, Wnt5a signaling in glioblastoma progression remains poorly defined. Wnt5a expression and activations of RhoA, Cdc42, and Rac1 were detected in human glioblastoma tissues by using ELISA assays and small G-protein activation assays, respectively. The cell invasion rate and Daam1 activation of glioblastoma U251 and T98MG cells were determined by cell invasion assays and pull-down assays, respectively. According to our experiments, Wnt5a expression and RhoA activation were upregulated in invasive glioblastoma tissues, with a significant positive correlation between them. Wnt5a activated Daam1 and RhoA, and subsequently promoted the invasion of glioblastoma U251 and T98MG cells. This process was abolished by secreted frizzled-related protein 2 (sFRP2), an antagonist that directly binds to Wnt5a. Specific small interfering RNA (siRNA) targeting Daam1 markedly inhibited Wnt5a-induced RhoA activation, stress fiber formation and glioblastoma cell invasion. CCG-1423, a RhoA inhibitor, decreased Wnt5a-induced stress fiber formation and glioblastoma cell invasion. Finally, siRNA targeting Daam1 or CCG-1423 treatment did not alter the cell proliferation of glioblastoma U251 and T98MG cells. We thus concluded that Wnt5a promoted glioblastoma cell invasion via Daam1/RhoA signaling pathway. PMID- 29207170 TI - BMI-1 suppression increases the radiosensitivity of oesophageal carcinoma via the PI3K/Akt signaling pathway. AB - B-cell-specific Moloney murine leukaemia virus integration site-1 (BMI-1) contributes to the growth of tumour cells post-irradiation (IR). The aim of the present study was to characterize the effects of BMI-1 on cell viability, radiosensitivity and its mechanisms of action in oesophageal squamous cell cancer (ESCC). Western blotting and immunohistochemistry were employed to evaluate the protein expression of BMI-1 in ESCC cells and specimens, respectively. Additionally, the protein expression levels of BMI-1, H2AK119ub and gammaH2AX in ESCC cells were detected following different doses of IR and at different times after IR. The protein expression levels of MDC1 and 53BP1 were also measured. Flow cytometry and MTT assays were used to determine cell cycle progression, apoptosis and cell viability. The phosphatidylinositol 3-kinase inhibitor LY294002 and the agonist IGF-1 were employed to suppress or induce the phosphorylation of Akt to determine whether BMI-1 induces radioresistance in ESCC cells via activation of the PI3K/Akt pathway. The expression of BMI-1 was higher in ESCC tissues and cells compared with that in normal oesophageal tissues and cells. In addition, BMI-1 was positively related to tumour size and lymph node metastases and negatively to the overall survival of ESCC patients. IR induced the expression of BMI-1, H2AK119ub and gammaH2AX in a dose- and time-dependent manner. BMI-1 knockdown lowered the expression of gammaH2AX, MDC1 and 53BP1, suppressed cell viability and increased radiosensitivity. G2/M phase arrest was eliminated; this was followed by an increased proportion of cells entering the G0/G1 phase after IR and BMI-1 knockdown via the upregulation of P16 and downregulation of cyclin D2 and cyclin-dependent kinase-4. Moreover, BMI-1 knockdown increased cell apoptosis, downregulated MCL-1 and p-Akt and upregulated Bax. Additionally, the inhibitory effect of the downregulation of p-Akt by LY294002 on tumour cell viability was identical to that of BMI-1 knockdown, while the kinase agonist IGF-1 reversed the effects of BMI-1 knockdown on cell viability and radiosensitivity. Taken together, BMI-1 knockdown induces radiosensitivity in ESCC and significantly inhibits cell viability, which may contribute to an increased proportion of cells in the G0/G1 phase and cell apoptosis via suppression of the PI3K/Akt signalling pathway. PMID- 29207171 TI - Ginsenoside Rh2 inhibits human A172 glioma cell proliferation and induces cell cycle arrest status via modulating Akt signaling pathway. AB - Ginsenoside Rh2 (G-Rh2), the main bioactive component in American ginseng, is known to exert a wide variety of biological activities. Accumulating evidence suggests that G-Rh2 inhibits cell proliferation and induces apoptosis of tumor cells. However, the possible mechanism through which G-Rh2 exerts its action on malignant glioma cells have not been completely elucidated. The findings of the present study demonstrated that G-Rh2 decreased the viability of glioma cells in a dose- and time-dependent manner, and induced cell cycle arrest. G-Rh2-induced cell cycle arrest was accompanied by the downregulation of cyclin-dependent kinase 4 and Cyclin E. In addition, G-Rh2 markedly reduced the expression of total- RAC-alpha serine/threonine-protein kinase (Akt) and the levels of phosphorylated-Akt. These findings provide mechanistic details of how G-Rh2 acts on glioma cells and suggest that G-Rh2 may function as a potential anti-cancer drug for glioma treatment. PMID- 29207173 TI - microRNA-196b promotes cell migration and invasion by targeting FOXP2 in hepatocellular carcinoma. AB - Accumulating evidence indicates that microRNAs (miRNAs) play important roles in tumorigenesis and metastasis. Recent research has shown that miR-196b is implicated in metastasis by regulating the migration and invasion of cancer cells. However, the clinical significance of miR-196b and its role as well as the underlying mechanisms in hepatocellular carcinoma (HCC) remain largely unknown. Here, we detected miR-196b expression in HCC and matched non-tumor tissues with qRT-PCR. We found that miR-196b displayed higher expression in HCC patient tissues and cells. Clinical analysis revealed that high miR-196 expression was correlated with venous infiltration, advanced TNM stage and poor prognosis. Functionally, we demonstrated that miR-196b promoted the migration and invasion of HCC cells in vitro. Moreover, miR-196b knockdown restrained pulmonary metastasis in vivo. Mechanistically, we confirmed that miR-196b could directly bind to 3'UTR of forkhead box P2 (FOXP2) mRNA and repress its expression. miR 196b and FOXP2 showed a negative correlation in HCC tissues. More importantly, upregulation of FOXP2 antagonized miR-196b-mediated migration and invasion in Hep3B cells. Furthermore, FOXP2 knockdown partially reversed the anti-metastatic function of the miR-196b inhibitor on HCCLM3 cells. Taken together, we demonstrated that miR-196b may function as a prognostic biomarker and suppressed FOXP2 expression, subsequently leading to the metastasis of HCC. Our findings highlight a novel mechanism of miR-196b in the progression of HCC and identify miR-196b/FOXP2 axis as a promising target for HCC. PMID- 29207172 TI - Ran-binding protein M is associated with human spermatogenesis and oogenesis. AB - The aim of the present study was to explore the underlying mechanism and diagnostic potential of Ran-binding protein M (RanBPM) in human spermatogenesis and oogenesis. RanBPM expression in human testis and ovaries was analysed using polymerase chain reaction (PCR) and western blotting, and immunofluorescence was performed on testis and ovary tissue sections during different developmental stages of spermatogenesis and oogenesis using RanBPM antibodies. Interactions with a variety of functional proteins were also investigated. RanBPM mRNA and protein expression levels were determined by PCR and western blotting in the tissue sections. Results revealed that the mRNA expression levels were highest in the testis followed by the ovary. The RanBPM protein was predominantly localized in the nucleus of germ cells, and the expression levels were highest in pachytene spermatocytes and cells surrounding spermatids in testis tissue. In ovary cells, RanBPM was localized in the nucleus and cytoplasm. In conclusion, the results suggested that RanBPM may have multiple roles in the regulation of germ cell proliferation during human spermatogenesis and oogenesis. This research may provide a novel insight into the underlying molecular mechanism of RanBPM and may have implications for the clinical diagnosis and treatment of human infertility. PMID- 29207174 TI - Calcium channels are involved in EphB/ephrinB reverse signaling-induced apoptosis in a rat chronic ocular hypertension model. AB - Erythropoietin-producing hepatocyte receptor B (EphB)/ephrinB reverse signaling has been revealed to be activated in chronic ocular hypertension (COH) by increasing the apoptosis of retinal ganglion cells (RGCs). However, the exact mechanism is not well understood. The present study investigated the involvement of Ca2+ channels in the apoptosis of RGCs induced by EphB/ephrinB reverse signaling in a rat CHO model, which was established by cauterizing 3 out of the 4 episcleral veins. The expression levels of four voltage-gated Ca2+ channel subunits (Cav3.1-3.3 and Cav1.2) were detected using immunofluorescence and western blot analysis. TUNEL staining was performed to assess RGC apoptosis following an injection with the T type Ca2+ channel blocker. Ca2+ channels, mainly the T type, were upregulated in COH rat retinas when compared with the sham group (P<0.01). Additionally, the Cav3.2 subunit of T type calcium channels was predominantly expressed in Muller cells and RGCs, such as ephrinB2. Furthermore, an intravitreal injection of the Ca2+ channel blocker Mibefradil (3 uM) reduced EphB2-fragment crystallizable region-induced RGC apoptosis in normal rats. Thus, the results suggest that Ca2+ channels in a COH model may be a pathway involved in ephrinB/EphB signaling-induced RGC apoptosis. PMID- 29207175 TI - Hypermethylation of the SPARC promoter and its prognostic value for prostate cancer. AB - Secreted protein acidic and rich in cysteine (SPARC) is a secreted matricellular glycoprotein and plays a key role in the development of many tissues and organ types. However, the role of SPARC in prostate cancer (PCa) is still controversial. The aim of the present study was to investigate the abnormalities in the expression of SPARC and its promoter hypermethylation in prostate cancers and in correlated clinicopathological profiles. We examined the hypermethylation of the SPARC promoter as a potential mechanism for suppressing SPARC in PCa. The clinicopathological correlation between SPARC and its promoter expression and the prognostic significance of the aberrantly expressed genes were evaluated to identify novel biomarkers of PCa. SPARC expression was decreased in PCa cell lines, which correlated with hypermethylation of the SPARC promoter. Treatment with the demethylating agent 5-Aza-Cdr restored SPARC expression. Seventy percent (145 of 207) of the primary tumors exhibited SPARC hypermethylation, while only 2.6% was found in normal prostate mucosa (n=38). In PCa cases, SPARC hypermethylation was correlated with a poorer prognosis (P=0.005; relative risk 2.659, 95% CI, 1.433-4.562). Our findings revealed potential diagnostic markers of PCa based on specific hypermethylated CpG sites and also provided new insights of SPARC as a novel biomarker and/or treatment modality for prostate cancer. PMID- 29207176 TI - P4HB and PDIA3 are associated with tumor progression and therapeutic outcome of diffuse gliomas. AB - Diffuse gliomas are the most common type of primary brain and central nervous system (CNS) tumors. Protein disulfide isomerases (PDIs) such as P4HB and PDIA3 act as molecular chaperones for reconstructing misfolded proteins, and are involved in endoplasmic reticulum stress and the unfolded protein response. The present study focused on the role of P4HB and PDIA3 in diffuse gliomas. Analysis of GEO and HPA data revealed that the expression levels of P4HB and PDIA3 were upregulated in glioma datasets. their increased expression was then validated in 99 glioma specimens compared with 11 non-tumor tissues. High expression of P4HB and PDIA3 was significantly correlated with high Ki-67 and a high frequency of the TP53 mutation. Kaplan-Meier survival curve and Cox regression analyses showed that glioma patients with high P4HB and PDIA3 expression had a poor survival outcome, P4HB and PDIA3 could be independent prognostic biomarkers for diffuse gliomas. In vitro, knockdown of PDIA3 suppressed cell proliferation, induced cell apoptosis, and decreased the migration of glioma cells. Furthermore, downregulation of P4HB and PDIA3 may contribute to improve the survival of patients who receive chemotherapy and radiotherapy. The data suggest that high expression of P4HB and PDIA3 plays an important role in glioma progression, and could predict the survival outcome and therapeutic response of glioma patients. Therefore, protein disulfide isomerases may be explored as prognostic biomarkers and therapeutic targets for diffuse gliomas. PMID- 29207177 TI - Regulation of steroid hormones in the placenta and serum of women with preeclampsia. AB - Preeclampsia (PE) is a pregnancy-specific hypertensive syndrome that results in substantial maternal and fetal morbidity and mortality. The exact cause of PE has not been completely elucidate, although abnormal formation of the placenta has been considered. The placenta connects the developing fetus to the uterine wall, producing a large quantity of steroid hormones to maintain pregnancy. Although steroid hormones, particularly progesterone (P4) and estrogen (E2), in the serum of women with PE have been studied, steroidogenesis in the placenta has not well been established. The present study compared the concentrations of steroid hormones, including pregnenolone (PG), P4, dehydroepiandrosterone (DHEA), testosterone (T) and E2, in the serum and placenta of women with PE. PG, P4, DHEA and E2 concentrations tended to be decreased in PE serum and placentas, and the results were statistically significant for P4 and E2 in the serum. Quantification of genes associated with steroidogenesis in the placenta was performed, and the expression of the P4- and E2-synthesizing enzymes testosterone 17-beta dehydrogenase 3 and 3 beta-hydroxysteroid dehydrogenase/delta5 4-isomerase type 1 was reduced. Notably, aromatase, an enzyme required for the production of E2, was upregulated in the PE placenta, suggesting that steroidogenic enzymes may be dynamically regulated and may affect the symptoms of PE. In conclusion, the results of the present study suggested that the levels of steroid hormones, including P4 and E2, in the serum and placenta of women with PE are downregulated, which may be mediated by the regulation of steroidogenic enzyme expression in the PE placenta. PMID- 29207178 TI - miR-328-3p enhances the radiosensitivity of osteosarcoma and regulates apoptosis and cell viability via H2AX. AB - Osteosarcoma is a kind of high-risk sarcoma of the skeleton typically observed in people under 25 years old. Currently, radiotherapy is widely applied in cancer treatment. However, osteosarcoma is radioresistant and accordingly new, more effective radiosensitizers are needed. miRNAs have been reported to play an important role in osteosarcoma radiosensitivity. We examined the modulating effect of miR-328-3p in vivo and in vitro. miR-328-3p was downregulated in HOS-2R cells. The overexpression of miR-328-3p enhanced the radiosensitivity of osteosarcoma cells. miR-328-3p inhibited proliferation and promoted apoptosis in osteosarcoma cells under radiation conditions. In cells overexpressing miR-328 3p, H2AX expression was downregulated. We found that miR-328-3p targets H2AX and inhibits its expression. It was concluded, that miR-328-3p enhances the radiosensitization of osteosarcoma following X-ray irradiation, and determined that it directly targets H2AX to regulate radiosensitization. PMID- 29207179 TI - Arctigenin induces the apoptosis of primary effusion lymphoma cells under conditions of glucose deprivation. AB - Kaposi's sarcoma-associated herpesvirus (KSHV) is the causative agent of primary effusion lymphoma (PEL) and Kaposi's sarcoma. PEL is a type of non-Hodgkin's B cell lymphoma, affecting immunosuppressed individuals, such as post-transplant or AIDS patients. However, since PEL is resistant to chemotherapeutic regimens, new effective treatment strategies are required. Arctigenin, a natural lignan compound found in the plant Arctium lappa, has been widely investigated as a potential anticancer agent in the clinical setting. In the present study, we examined the cytotoxic effects of arctigenin by cell viability assay and found that arctigenin markedly inhibited the proliferation of PEL cells compared with KSHV-uninfected B-lymphoma cells under conditions of glucose deprivation. Arctigenin decreased cellular ATP levels, disrupted mitochondrial membrane potential and triggered caspase-9-mediated apoptosis in the glucose-deprived PEL cells. In addition, western blot analysis using phospho-specific antibodies were used to evaluate activity changes in the signaling pathways of interest. As a result, arctigenin suppressed the activation of the extracellular signal regulated kinase (ERK) and p38 mitogen-activated protein kinase (p38 MAPK) signaling pathways by inhibiting ERK and p38 MAPK phosphorylation in the glucose deprived PEL cells. We confirmed that an inhibitor of ERK (U0126) or p38 MAPK (SB202190 and SB203580) suppressed the proliferation of the BC3 PEL cells compared with the KSHV-negative DG75 cells. Moreover, RT-PCR and luciferase reporter assay revealed that arctigenin and p38 MAPK inhibition by SB202190 or SB203580 downregulated the transcriptional expression of unfolded protein response (UPR)-related molecules, including GRP78 and ATF6alpha under conditions of glucose deprivation. Finally, we confirmed that arctigenin did not affect KSHV replication in PEL cells, suggesting that arctigenin treatment for PEL does not contribute to the risk of de novo KSHV production. These data thus indicate that arctigenin may serve as a lead compound for the development of novel and effective drugs for the treatment of PEL. PMID- 29207180 TI - MicroRNA-411 inhibits malignant biological behaviours of colorectal cancer cells by directly targeting PIK3R3. AB - Colorectal cancer (CRC) is the third most common cancer and the fourth leading cause of cancer-related mortality worldwide. Aberrant expression of miRNAs play important roles in the development and progression of various types of cancers by modulating oncogenic and tumour-suppressor pathways. Therefore, exploring the functions of microRNAs (miRNAs) that specifically contribute to CRC tumourigenesis and tumour development would greatly aid in obtaining more information on CRC and provide new targets for its diagnosis and treatment. miRNA 411 (miR-411) was previously observed to be aberrantly expressed in multiple human cancers. However, the expression pattern, function and underlying molecular mechanism of miR-411 in CRC remain unclear. Therefore, the present study was performed to detect miR-411 expression, investigate the biological roles of miR 411 and identify its mechanism of action in CRC cells. Here, miR-411 expression was significantly downregulated in human CRC tissues and cell lines, and low levels of miR-411 were correlated with lymph node metastasis, distant metastasis and TNM stage. Resumed expression of miR-411 suppressed cell proliferation and invasion but promoted apoptosis in CRC. Additionally, phosphoinositide-3-kinase regulatory subunit 3 (PIK3R3) was identified as a direct target of miR-411 in CRC. PIK3R3 was upregulated in the CRC tissues and inversely correlated with miR 411 expression. Downregulation of PIK3R3 had tumour-suppressive effects similar to those of miR-411 overexpression in CRC. Moreover, upregulation of PIK3R3 could rescue the tumour-suppressing effects of miR-411 overexpression in CRC cells. More importantly, miR-411 specifically suppressed the activation of the AKT/mTOR signalling pathway in CRC. Therefore, miR-411 functions as a tumour-suppressive miRNA by directly targeting PIK3R3 and indirectly regulating AKT/mTOR signalling pathway. miR-411 may serve as a new therapeutic target for patients with CRC. PMID- 29207181 TI - Function of miR-212 as a tumor suppressor in thyroid cancer by targeting SIRT1. AB - miR-212 as a tumor suppressor has been reported to be downregulated in multiple cancer cells lines and tumor tissues. However, its role in thyroid cancer has nor been investigated. Therefore, the present study aimed to investigate the role of miR-212 in human thyroid cancer and the underlying mechanisms. In the present study, we demonstrated that miR-212 expression was significantly decreased in thyroid cancer specimens and cell lines compared with adjacent normal tissues and normal thyroid cell lines. In addition, we demonstrated that miR-212 downrwegulation in thyroid cancer tissues was negatively associated with lymph node metastasis and advanced clinical stage. Functionally, ectopic expression of miR-212 by transfection with miR-212 mimic significantly inhibited proliferation, colony formation, migration and invasion in TPC-1 cells. In addition, Sirtuin 1 (SIRT1) was identified as a direct target of miR-212 and its expression was inversely correlated with miR-212 expression in thyroid cancer tissues. Overexpression of SIRT1 could effectively rescue miR-212 mimic-induced suppression of cell proliferation, migration and invasion in TPC-1 cells. In vivo, miR-212 overexpression significantly inhibited tumor growth in a nude mice model. In light of these findings, miR-212 may function as a tumor suppressor in thyroid cancer by targeting SIRT1. PMID- 29207183 TI - Src homology phosphotyrosyl phosphatase 2 mediates cisplatin-related drug resistance by inhibiting apoptosis and activating the Ras/PI3K/Akt1/survivin pathway in lung cancer cells. AB - Cisplatin resistance is a major cause of chemotherapeutic failure in lung cancer patients. Unraveling the molecular mechanisms underlying cisplatin (CDDP) resistance is important in lung cancer therapeutics. To explore the role of Src homology phosphotyrosyl phosphatase 2 (SHP2) in the development of cisplatin resistance in lung cancer and the underlying mechanism, we established stable SHP2-overexpressing H446-SHP2-OE cells and SHP2-knockdown H446/CDDP-SHP2-shRNA cells derived from H446 and H446/CDDP (cisplatin-resistant) parental lung cancer cells. The cell viability and apoptosis of these cells exposed to CDDP were observed to determine the influence of SHP2 on drug resistance. In addition, the expression of SHP2, Ras, Akt1 and survivin was assessed by western blot analysis after the lung cancer cells were challenged by cisplatin or silenced by Ras siRNA. As a result, the 50% inhibitory concentration (IC50) of the H446-SHP2-OE cells exposed to CDDP increased from 1.01 to 1.218 ug/ml vs. the H446-control vector cells. The percentage of apoptotic cells was smaller in the H446-SHP2-OE cells vs. the H446-control vector cells after cisplatin challenge. In addition, the expression of Ras, pAkt1, Akt1 and survivin in the H446/CDDP cells was significantly increased vs. the H446 cells. Furthermore, the IC50 of the H446/CDDP-SHP2-shRNA cells exposed to CDDP decreased from 11.92 to 4.382 ug/ml vs. the H446/CDDP-mock cells. There were significantly more apoptotic cells among the H446/CDDP-SHP2-shRNA cells vs. the H446/CDDP-mock cells exposed to cisplatin. A smaller percentage of the H446/CDDP-SHP2-shRNA cells vs. the H446/CDDP-mock cells was observed. In addition, the expression of pAkt1 and survivin in the H446, H446/CDDP and H446/CDDP-mock cells was increased upon exposure to cisplatin however, a corresponding change was not observed in the H446/CDDP-SHP2-shRNA cells. Upon Ras RNA silencing with cisplatin, the Ras expression was significantly decreased in the H446, H446-SHP2-OE and H446/CDDP cells. However, upon Ras RNA interference, the SHP2 expression was not significantly changed, but the expression of Akt1, pAkt1 and survivin was significantly increased in the H446-SHP2-OE and H446/CDDP cells. In conclusion, SHP2 is a new cisplatin resistance-related phosphatase in lung cancer, which inhibits apoptosis by activating the Ras/PI3K/Akt1/survivin signaling pathway. PMID- 29207182 TI - Antitumor activity of the synthetic retinoid ST1926 on primary effusion lymphoma in vitro and in vivo models. AB - Primary effusion lymphoma (PEL) is a rare B-cell neoplasm, associated with Kaposi sarcoma-associated herpes virus/human herpes virus-8 (KSHV/HHV-8), arising as malignant effusions in body cavities. PEL cells do not harbor conventional genetic cancer mutations; however, their oncogenesis is mainly attributed to HHV 8 latent genes. Treatment strategies are inefficient resulting in poor prognosis of PEL patients, stressing the need for new effective therapy. ST1926 is a synthetic retinoid with favorable antitumor properties and no cross-resistance with the natural retinoid, all-trans retinoic acid. ST1926 has shown potent apoptotic activities on a variety of solid tumors and hematologic malignancies in in vitro and in vivo models. In the present study we elucidated the antitumor activities and underlying molecular mechanism of ST1926 using in vitro, ex vivo, and in vivo PEL preclinical models. ST1926, at sub-micromolar concentrations, displayed potent antiproliferative effects on PEL cell lines and malignant ascites. Furthermore, ST1926 treatment of PEL cells and ascites resulted in their accumulation in the sub-G1 region, S phase cell cycle arrest, early DNA damage, PARP cleavage and p53 activation including the upregulation of its target genes p21 and Bax. However, ST1926 did not significantly modulate HHV-8 latent viral transcripts. Importantly, ST1926 delayed formation of ascites and enhanced survival of PEL mice. These results highlight the therapeutic potential of ST1926 in combination with drugs that target HHV-8 in PEL patients. PMID- 29207184 TI - Cullin 7 is a predictor of poor prognosis in breast cancer patients and is involved in the proliferation and invasion of breast cancer cells by regulating the cell cycle and microtubule stability. AB - Cullin 7 is the 'scaffold' of the cullin-RING-based E3 ligases which catalyze the final step of the ubiquitination cascade in eukaryotic organisms. Although one study has reported the involvement of cullin 7 in the invasion and migration of breast cancer cells without further exploration of its mechanisms, the expression of cullin 7 in breast cancer tissues and its clinical significance have not been reported. The present study evaluated cullin 7 protein expression in malignant and benign breast tissues using immunochemistry, and further analyzed the association of positive cullin 7 expression in breast cancer tissues with clinicopathological characteristics of breast cancer patients. Cullin 7 expression was further silenced in breast cancer cells by siRNA and its functions and mechanisms in cell proliferation and invasion were investigated. The results showed that high cullin 7 expression was significantly correlated with pathological stage (P=0.013) and lymph node metastasis (P=0.022) of breast cancer. Patients with high cullin 7 expression had a shorter overall survival rate than those with low cullin 7 expression (P=0.037). Silencing of cullin 7 expression significantly inhibited the proliferation (P<0.05) and invasion (P<0.05), increased S1 phase (P<0.05), but decreased G2 phase (P<0.05) in MDA-MB 231 and BT549 cells. In addition, silencing of cullin 7 expression decreased cyclin A, but increased p21 protein expression. Moreover, silencing of cullin 7 expression altered the cell shape, caused disorder in microtubules, and increased the microtubule regeneration in MDA-MB-231 and BT549 cells. In conclusion, cullin 7 is overexpressed in breast cancer tissues which is associated with the development and prognosis of breast cancer. Cullin 7 is involved in the proliferation and invasion of breast cancer cells by regulating the cell cycle and microtubule stability. PMID- 29207185 TI - Novel multi-kinase inhibitor, T03 inhibits Taxol-resistant breast cancer. AB - Activation of kinase-associated signaling pathways is one of the leading causes of various malignant phenotypes in breast tumors. Strategies of drug discovery and development have investigated approaches to target the inhibition of protein kinase signaling. In the current study, the anti-tumor activities of a novel multi-kinase inhibitor, T03 were evaluated in breast cancer. T03 inhibited Taxol resistant breast cancer cell proliferation and induced cell cycle arrest and apoptosis in vitro and in vivo. The current results demonstrated that T03 downregulated c-Raf, platelet-derived growth factor receptor-beta and other kinases, thus inhibited Raf/mitogen-activated protein kinase kinase/extracellular signal-regulated kinase and Akt/mechanistic target of rapamycin survival pathways in MCF-7 and MCF-7/Taxol xenograft tumors. At a dose of 100 mg/kg, T03 inhibited tumor growth by 62.90 and 59.98% in tumor weight in MX-1 and MX-1/T xenograft models, respectively and by 62.60 and 60.22% in MCF-7 and MCF-7/T tumors, respectively. These data indicate that the novel multi-kinase inhibitor, T03, may present as a potential compound to develop novel treatments against breast cancer and Taxol-resistant breast tumors. PMID- 29207186 TI - Neuroglobin promotes the proliferation and suppresses the apoptosis of glioma cells by activating the PI3K/AKT pathway. AB - Our previous study demonstrated that neuroglobin (Ngb) functions as an independent predictive indicator of the prognosis of patients with glioma and promotes cancer cell growth by suppressing apoptosis. However, the understanding of the mechanisms underlying the survival-enhancing function of Ngb in glioma is limited. In the present study, KEGG PathwayFinder by gene correlation analysis was performed on the R2: Genomics Analysis and Visualization Platform, which revealed a high association between Ngb and the phosphatidylinositol 3-kinase (PI3K)/AKT pathway using glioma data (GSE4290) from the Gene Expression Omnibus database. Furthermore, western blotting experiments were performed in U251 and U87 glioma cells, and Ngb knockdown using short hairpin RNA reduced the protein levels of phosphorylated (p)-AKT, p-mammalian target of rapamycin (mTOR) and antiapoptotic factor Bcl-2, and increased the expression of the proapoptotic protein Bcl-2-associated X, in U251 cells. In addition, Ngb overexpression promoted the activation of the PI3K/AKT pathway in U87 cells. MK2206, a PI3K/AKT signaling inhibitor, reduced the expression of p-AKT and increased the levels of apoptosis-associated proteins, including cleaved poly(ADP-ribose) polymerase 1 and cleaved caspase-3/7/8, in Ngb-overexpressing U87 cells. Furthermore, MK2206 treatment reduced the proliferation and induced the apoptosis of Ngb overexpressing U87 cells, as indicated by the results of MTT, colony formation and flow cytometry assays. In addition, insulin-like growth factor-1, a PI3K/AKT signaling activator, reversed Ngb knockdown-induced growth arrest and apoptosis in U251 cells. In conclusion, the results of the present study indicate that Ngb may facilitate a malignant phenotype of glioma cells by activating the PI3K/AKT pathway. PMID- 29207187 TI - Macrophage migration inhibitory factor rescues mesenchymal stem cells from doxorubicin-induced senescence though the PI3K-Akt signaling pathway. AB - Doxorubicin (DOXO), an anthracycline antibiotic, is a commonly used anticancer drug. Despite its widespread usage, the therapeutic effects of DOXO are limited by its cardiotoxicity. Mesenchymal stem cell (MSC)-based therapies have had positive outcomes in the treatment of DOXO-induced cardiac damage; however, DOXO exerts toxic effects on MSCs, decreasing the effectiveness of MSC therapy. Macrophage migration inhibitory factor (MIF) promotes MSC survival and rejuvenation, and thus is a promising candidate to protect MSCs against DOXO induced injury. The present study revealed that DOXO induced the senescence of MSCs, resulting in decreased proliferation, viability and paracrine effects. However, pretreatment with MIF improved the proliferation rate, viability, paracrine function, telomere length and telomerase activity of MSCs. Furthermore, the results indicated that the molecular mechanism underlying the anti-senescent function of MIF involved the phosphatidylinositol 3-kinase (PI3K)-RAC-alpha serine/threonine-protein kinase (Akt) signaling pathway, which MIF activated. In agreement with this finding, silencing Akt was identified to abolish the anti senescent effect of MIF. In addition, MIF decreased oxidative stress in MSCs, as revealed by the decreased production of reactive oxygen species and malondialdehyde, and the increased activity of superoxide dismutase. These results indicate that MIF can rescue MSCs from a state of DOXO-induced senescence by inhibiting oxidative stress and activating the PI3K-Akt signaling pathway. Thus, treatment with MIF may have an important therapeutic application for the rejuvenation of MSCs in patients with cancer being treated with DOXO. PMID- 29207188 TI - Glycyrrhizic acid induces human MDA-MB-231 breast cancer cell death and autophagy via the ROS-mitochondrial pathway. AB - Glycyrrhizic acid (GA), the main component of licorice root extracts, has been shown to suppress cell proliferation and induce apoptosis in various types of cancers. However, the molecular mechanism of its anticancer activity remains poorly understood and warrants further investigation. MDA-MB-231 cells were treated with various concentrations of GA and the cytotoxic effects of GA were determined using the CCK-8 assay. Apoptosis and cell cycle status were detected by flow cytometry. Reactive oxygen species (ROS) levels and mitochondrial membrane potential (?Psim) were assessed using DCFDA, MitoSOX and JC-1 staining. Western blot analysis was used to quantify the expression of autophagy-related proteins. In the present study, induction of autophagic cell death was observed in GA-treated MDA-MB-231 cells. Downregulation of p62- and beclin 1-associated proteins occurred after GA treatment, and, the conversion of LC3 and increased ROS without significant changes in caspase-associated proteins and intracellular responses were detected. Furthermore, loss of mitochondria and its membrane potential in cells demonstrated that mitochondria were involved in the GA regulated MDA-MB-231 cell death. The addition of a pan-caspase inhibitor (z-VAD fmk) did not suppress the GA-induced apoptotic effect, and GA-induced apoptosis was not accompanied by processing of procaspase-8, -9 and -3. However, GA triggered the translocation of the apoptosis-inducing factor (AIF) from the mitochondria into the nucleus. In contrast, GA-induced LC3 conversion was significantly inhibited by 3 methlyadenine (3MA), an inhibitor of PI3K-regulated autophagy. Therefore, these results suggest that enhancement of both AIF- and LC3 dependent GA-derived ROS generation plays an important role in the inhibition of the growth of MDA-MB-231 human breast cancer cells. PMID- 29207189 TI - Overexpression of COUP-TFII suppresses proliferation and metastasis of human gastric cancer cells. AB - The abnormal expression of the chicken ovalbumin upstream promoter transcription factor 2 (COUP-TFII) is associated with numerous forms of cancer, including gastric, prostate, colon and lung cancer. However, previous studies investigating the association between COUP-TFII expression and the occurrence, recurrence, invasion and metastasis of gastric cancer are limited in number. In the present study, it was revealed that the expression of COUP-TFII is significantly reduced in gastric carcinoma tissues compared with normal gastric mucosa cells (GES-1). In addition, the expression of COUP-TFII was also reduced in gastric cancer cell lines compared with GES-1 cells. Furthermore, it was revealed that ectopic expression of COUP-TFII was able to suppress the proliferation, migration and invasion of gastric cells, as well as inhibit hepatic metastasis, in vivo. In addition, it was demonstrated that COUP-TFII knockdown was able to promote the proliferation, migration and invasion of GES-1 cells in vitro. Furthermore, database analysis suggested that COUP-TFII expression in patients with gastric cancer is correlated with clinical stage classification and increased expression levels of COUP-TFII improved overall survival rates in patients with gastric cancer. The results of the present study suggest that COUP-TFII functions as a significant regulatory suppressor of gastric cancer growth and metastasis, and suggests that COUP-TFII may serve as a novel diagnostic and prognostic biomarker for gastric cancer metastasis. PMID- 29207190 TI - Anticancer potential of novel curcumin analogs towards castrate-resistant prostate cancer. AB - Prostate cancer is initially sensitive to hormone therapy; however, over time the majority of patients progress to a hormone-insensitive form classified as castration-resistant prostate cancer (CRPC). CRPC is highly metastatic and patients have a poor prognosis. Thus, new drugs for the treatment of this disease are required. In this study, we therefore examined the cytotoxic effects and anticancer mechanism(s) of action of second generation curcumin analogs towards CRPC cells. For this purpose, PC3 and DU145 cells were treated with a series of curcumin analogs at 0-10 uM for 72 h and cytotoxicity was determined by the sulforhodamine B (SRB) assay. Two compounds, 1-isopropyl-3,5-bis(pyridin-3 ylmethylene)-4-piperidone (RL118) and 1-methyl-3,5-[(6-methoxynaphthalen-2 yl)methylene]-4-piperidone (RL121), were found to have the most potent cytotoxic effect with EC50 values of 0.50 and 0.58 uM in the PC3 cells and EC50 values of 0.76 and 0.69 uM in the DU145 cells, respectively. Thus, further experiments were performed focusing on these two compounds. Flow cytometry was performed to determine their effects on the cell cycle and apoptosis. Both analogs increased the number of cells in the G2/M phase of the cell cycle and induced apoptosis. Specifically, in the PC3 cells, RL121 increased the number of cells in the G2/M phase by 86% compared to the control, while RL118 increased the number of cells in the G2/M phase by 42% compared to the control after 24 h. Moreover, both RL118 and RL121 induced the apoptosis of both cell lines. In the DU145 cells, a 38-fold increase in the number of apoptotic cells was elicited by RL118 and a 78-fold increase by RL121 compared to the control. Furthermore, the effects of both analogs on the expression of key proteins involved in cell proliferation were also determined by western blot analysis. The results revealed that both analogs inhibited the expression of nuclear factor (NF)-kappaB (p65/RelA), eukaryotic translation initiation factor 4E-binding protein 1 (4E-BP1), p-4E-BP1, mammalian target of rapamycin (mTOR), p-mTOR, AKT and p-AKT. Thus, the findings of this study provide evidence that RL118 and RL121 have potent anticancer activity against CPRC cells, and both analogs warrant further investigation in vivo. PMID- 29207191 TI - Novel evidence that pituitary sex hormones regulate migration, adhesion, and proliferation of embryonic stem cells and teratocarcinoma cells. AB - The pituitary sex hormones (SexHs): follicle-stimulating hormone (FSH), luteinizing hormone (LH), and prolactin (PRL) regulate several functions crucial for reproduction, including oogenesis, spermatogenesis, and lactation. An important source of prolactin-like hormones, known as lactogens, is the placenta, and lactogens bind to the PRL receptor (PRLR) with high affinity and thereby mimic the actions of PRL. Recently, it has been demonstrated that pituitary SexHs were involved in metastatic lung cancer, certain sarcomas, and leukemia. In the present study we aimed to investigate whether FSH, LH, and PRL were able to stimulate stem cells involved in early development. To address this issue we employed a murine embryonic stem cell line (ES-D3) as well as two teratocarcinoma cell lines, P19 (murine) and NTera2 (human). We determined that all these cells expressed SexH receptors at the mRNA and protein levels and that stimulation of these receptors induced phosphorylation of p42/44 MAPK, p38 MAPK, and AKT. Moreover, ES-D3, P19, and NTera2 cells responded with increased migration and adhesion to physiological concentrations of pituitary SexHs. In view of these findings we proposed that maternal-derived pituitary SexHs regulate the biology of stem cells involved in early development. PMID- 29207192 TI - Resveratrol attenuates hydrogen peroxide-induced apoptosis, reactive oxygen species generation, and PSGL-1 and VWF activation in human umbilical vein endothelial cells, potentially via MAPK signalling pathways. AB - Reactive oxygen species (ROS) are implicated in the pathogenesis of thrombosis. Studies have reported that resveratrol exhibits antioxidative activities, however, the effect and underlying mechanisms of resveratrol on venous thrombosis remain largely unknown. To investigate the effect of resveratrol on venous thrombosis and the underlying mechanisms, the present study investigated the effects of resveratrol on cell viability, apoptosis, ROS generation and the expression of thrombosis-associated markers in human umbilical vein endothelial cells (HUVECs). HUVECs were pretreated with resveratrol for 2 h and incubated with hydrogen peroxide (H2O2) for 24 h prior to the evaluation of cell viability, ROS generation, apoptosis and thrombosis-associated marker expression by performing MTT assays, 2',7'-dichlorofluorescin diacetate reagent, flow cytometry, and reverse transcription-quantitative polymerase chain reaction (RT qPCR) and western blot analysis, respectively. Subsequently, to validate whether resve-ratrol functions via mitogen-activated protein kinase (MAPK) pathways, the expression of thrombosis-associated markers was detected by western blot analysis and RT-qPCR following treatment of cells with resveratrol and the MAPK pathway activators anisomycin and curcumin. The results demonstrated that cell viability was markedly reduced by H2O2, and resveratrol treatment reversed the reductions in cell viability in a dose-dependent manner. In addition, the levels of cell apoptosis and ROS generation were significantly increased by H2O2 alone, and resveratrol also reduced these effects in a dose-dependent manner. Furthermore, the mRNA and protein expression of caspase-3, P-selectin glycoprotein ligand-1 and von Willebrand factor was upregulated by H2O2 treatment in HUVECs. However, resveratrol decreased the protein expression these proteins in a dose-dependent manner. Resveratrol also significantly inhibited the induction of phosphorylated (p)-p38, P-c-Jun N-terminal kinase and P-extracellular signal-regulated kinase by H2O2, and these effects were attenuated by the MAPK pathway activators anisomycin and curcumin. In conclusion, these results indicate that resveratrol protected HUVECs against oxidative stress and apoptosis. Furthermore, to the best of our knowledge, the present study is the first to demonstrate that resveratrol attenuates the expression of thrombosis-associated markers induced by H2O2, which may occur through the suppression of the MAPK signalling pathways, indicating a potential novel therapeutic approach to prevent venous thrombosis. PMID- 29207193 TI - All-trans retinoic acid reduces endothelin-1 expression and increases endothelial nitric oxide synthase phosphorylation in rabbits with atherosclerosis. AB - All-trans retinoic acid (ATRA) is a natural derivative of vitamin A that ameliorates atherosclerosis (AS) by regulating inflammatory factors. However, studies concerning the role of retinoic acid in artery endothelial function are rare. Therefore, the present study investigated its role in regulating the production of endothelin-1 (ET-1) and nitric oxide (NO) in rabbits with AS. The rabbits were randomly divided into 3 groups: The control group was administered an ordinary diet, while the high fat group and the ATRA drug intervention group were administered a high fat diet. After 12 weeks, the blood lipid levels of rabbits, the morphological structure of the arterial wall, the arterial intimal permeability, the activity of blood endothelial nitric oxide synthase (eNOS) and the level of plasma NO were investigated. Western blot analysis was used to detect the levels of ET-1, eNOS and eNOS phosphorylation at Ser-1177 (p-eNOS), and a radioimmunoassay was performed to detect the level of ET-1 in the plasma. It was identified that plaque formation was alleviated in the ATRA group compared with the high fat group, as revealed by hematoxylin and eosin and oil red O staining, and a similar trend was reflected in the immunofluorescence results for endothelial permeability. Western blotting demonstrated significantly decreased ET-1 expression levels in the arterial tissue of rabbits in the ATRA group compared with the high fat group, together with increased p-eNOS level (P<0.05), however, no difference was observed in the expression of eNOS (P>0.05). The trends observed for ET-1 and the activity of eNOS in plasma were similar to those for arterial tissue. Therefore, the present study demonstrated that ATRA may regulate the grade of AS by the reduction of ET-1 secretion and increased NO formation via increased phosphorylation of eNOS. ATRA provides a potential novel method for the treatment of atherosclerosis. PMID- 29207194 TI - Quercetin synergistically reactivates human immunodeficiency virus type 1 latency by activating nuclear factor-kappaB. AB - Highly active antiretroviral therapy (HAART) is very effective in suppressing human immunodeficiency virus type 1 (HIV-1) replication. However, the treatment is required to be administered for the remainder of an individual's lifetime due to latent HIV-1 reservoirs. The 'shock-and-kill' strategy, which involves using agents to reactivate latent HIV-1 and subsequently killing latently infected cells in the presence of HAART, was recently proposed. Unfortunately, no agents have currently demonstrated an ability to reactivate latent HIV-1 in vivo in the absence of toxicity. Therefore, the identification of novel latency activators is required. In order to identify a potential novel agent, the present study investigated the effect of quercetin on latent HIV-1 reactivation using an established model of HIV-1 latency. As a marker for reactivation of HIV-1 in C11 Jurkat cells, the expression of green fluorescent protein, controlled by HIV-1 long terminal repeat, was observed by fluorescence microscopy. The results of the present study demonstrated that quercetin effectively reactivated latent HIV-1 gene expression alone, and led to synergistic reactivation when combined with prostratin or valproic acid. In addition, the present study provides evidence that quercetin may reactivate HIV-1 expression by inducing nuclear factor-kappaB nuclear translocation, and that the toxicity of quercetin is lower when compared with various additional activators of HIV-1. Combined, the results of the present study indicate that quercetin may be an effective agent to disrupt HIV-1 latency and may be useful in future eradication strategies. PMID- 29207195 TI - A novel correlation between ATP5A1 gene expression and progression of human clear cell renal cell carcinoma identified by co-expression analysis. AB - Clear cell renal cell carcinoma (ccRCC) is the most common solid lesion within kidneys, and its prognostic is influenced by the progression covering a complex network of gene interactions. In our study, a weighted gene co-expression network was constructed to identify gene modules associated with the progression of ccRCC (n=35). In the significant module (R2 = -0.53), a total of 13 network hub genes were identified, and 2 of them were hub nodes in the protein-protein interaction network as well. In validation, ATP5A1 showed a higher correlation with the disease progression than any other hub gene in the hub module (P=0.001219). In the test set (n=202), ATP5A1 was also highly expressed in normal kidney than ccRCC tissues of each grade (P<0.001). Functional and pathway enrichment analysis demonstrated that ATP5A1 is overrepresented in pathway of oxidative phosphorylation, which associated with tumorigenesis and tumor progression. Gene set enrichment analysis (GSEA) also demonstrated that the gene set of 'oxidative phosphorylation' and metabolic pathways were enriched in ccRCC samples with ATP5A1 highly expressed (P<0.05). In conclusion, based on the co-expression analysis, ATP5A1 was validated to be associated with progression of ccRCC, probably by regulating tumor-related phosphorylation. PMID- 29207196 TI - High-resolution metabolomics determines the mode of onset of type 2 diabetes in a 3-year prospective cohort study. AB - Type 2 diabetes mellitus (DM) is a progressive disease and the rate of progression from non-diabetes to DM varies considerably between individuals, ranging from a few months to many years. It is important to understand the mechanisms underlying the progression of diabetes. In the present study, a high resolution metabolomics (HRM) analysis was performed to detect potential biomarkers and pathways regulating the mode of onset by comparing subjects who developed and did not develop type 2 DM at the second year in a 3-year prospective cohort study. Metabolic profiles correlated with progression to DM were examined. The subjects (n=98) were classified into four groups: Control (did not develop DM for 3 years), DM (diagnosed with DM at the start of the study), DM onset at the third year and DM onset at the second year. The focus was on the comparison of serum samples of the DM groups with onset at the second and third year from the first year, where these two groups had not developed DM, yet. Analyses involved sample examination using liquid chromatography-mass spectrometry-based HRM and multivariate statistical analysis of the data. Metabolic differences were identified across all analyses with the affected pathways involved in metabolism associated with steroid biosynthesis and bile acid biosynthesis. In the first year, higher levels of cholesterol {mass-to charge ratio (m/z) 369.35, (M+H-H2O)+}, 25-hydroxycholesterol [m/z 403.36, (M+H)+], 3alpha,7alpha-dihydroxy-5beta-cholestane [m/z 443.33, (M+K)+], 4alpha methylzymosterol-4-carboxylate [m/z 425.34, (M+H-H2O)+], and lower levels of 24,25-dihydrolanosterol [m/z 429.40, (M+H)+] were evident in the group with DM onset at the second year compared with those in the group with DM onset at the third year. These results, with a focus on the cholesterol biosynthesis pathway, point to important aspects in the development of DM and may aid in the development of more effective means of treatment and prevention. PMID- 29207197 TI - Prohibitin-2 negatively regulates AKT2 expression to promote prostate cancer cell migration. AB - Prostate cancer (PCa) is a leading cause of cancer-associated mortality in men; however, the factors that contribute to disease development have yet to be fully elucidated. Previous studies have suggested that prohibitin-2 (PHB2), which is a multifunctional protein that contributes to various cellular processes, is positively correlated with malignant progression of PCa; however, the molecular mechanisms underlying the effects of PHB2 on the enhancement of cell migration have not been identified. The present study induced overexpression and knockdown of PHB2 in PCa cell lines (PC3 and DU145) with the aim of examining the effects of PHB2 on PCa cell migration via wound healing assays. The results indicated that PHB2 overexpression promoted migration of both cell lines. AKT serine/threonine kinase 2 (AKT2), which interacts with PHB2, has been reported to participate in cell migration; therefore, the present study examined the effects PHB2 overexpression and knockdown on AKT2 in PCa cells. The present study demonstrated that overexpression of PHB2 reduced the expression of AKT2, whereas PHB2 knockdown increased AKT2 expression in both PCa cell lines. In addition, knockdown of PHB2 enhanced the protein stability of AKT2. Furthermore, AKT2 overexpression resulted in a significant decrease in migration, whereas AKT2 knockdown promoted migration of PC3 and DU145 PCa cells. The combined overexpression of PHB2 and AKT2 inhibited migration of both cell lines, thus suggesting that AKT2 overexpression abolished PHB2-induced migration. Mechanistically, the present study suggested that PHB2 may promote PCa cell migration by inhibiting the expression of AKT2. These results provide information regarding the role of PHB2 in PCa migration and malignancy. PMID- 29207198 TI - Mechanism of triptolide in treating ankylosing spondylitis through the anti ossification effect of the BMP/Smad signaling pathway. AB - The present study aimed to examine the mechanism of triptolide in the treatment of ankylosing spondylitis (AS) through the anti-ossification effect of bone morphogenetic protein (BMP)/small mothers against decapentaplegic (Smad) pathway. Male rats were randomly divided into five groups: Normal rat group; model group; triptolide low dose group (10 mg/kg); triptolide middle dose group (20 mg/kg); triptolide high dose group (40 mg/kg). The spinal joint capsules of each group of rats were collected to perform primary cell culture to determine the levels of cell proliferation. Western blot and reverse transcription-polymerase chain reaction analyses, and ELISA were used to detect the mRNA and protein expression levels of core-binding factor alpha1 (Cbfal), BMP receptor type II (BMPRII), Smad1, Smad4, Smad5 and Smad6, the protein expression of phosphorylation indicators, including phosphorylated (p)Smad1 and pSmad5, the mRNA expression of tumor necrosis factor-alpha (TNF-alpha), interleukin (IL)-1beta and IL-6 in rat plasma, and the mRNA expression of BMP/Smads in fibroblasts induced by recombinant human (rh)BMP-2. The effects on AS in the rats were also examined. The results revealed that, following intervention with triptolide, inflammation was suppressed, and the mRNA expression levels of TNF-alpha, IL-1beta and IL-6 were reduced. The expression levels of Cbfal, BMPRII, Smad1, Smad4 and Smad5 were also reduced, whereas the expression of Smad6 was increased. Following induction by rhBMP-2, the effects of triptolide weakened, with the most marked effects observed at the highest concentration, suggesting that triptolide functions through the BMP/Smad signaling pathway. Taken together, the results suggested that triptolide may be used to treat AS, the mechanism of which may be through the BMP/Smad pathway. PMID- 29207199 TI - Genes and pathways associated with the occurrence of malignancy in benign lymphoepithelial lesions. AB - There is increasing evidence concerning the occurrence of malignant lymphoma among people suffering from Mikulicz disease, also termed benign lymphoepithelial lesion (BLEL) and immunoglobulin G4-associated disease. However, the underlying molecular mechanism of the malignant transformation remains unclear. The present study aimed to investigate the gene expression profile between BLEL and malignant lymphoepithelial lesion (MLEL) conditions using tissue microarray analysis, to identify genes and pathways which may be associated with the risk of malignant transformation. Comparing gene expression profiles between BLEL tissues (n=13) and MLEL (n=14), a total of 1,002 differentially expressed genes (DEGs) were identified including 364 downregulated and 638 upregulated DEGs in BLEL. The downregulated DEGs in BLEL were frequently associated with immune-based functions, immune cell differentiation, proliferation and survival, and metabolic functions, whereas the upregulated DEGs were primarily associated with organ, gland and tissue developmental processes. The B cell receptor signaling pathway, the transcription factor p65 signaling pathway, low affinity immunoglobulin gamma Fc region receptor II-mediated phagocytosis, the high affinity immunoglobulin epsilon receptor subunit gamma signaling pathway and Epstein-Barr virus infection, and pathways in cancer, were the pathways associated with the downregulated DEGs. The upregulated DEGs were associated with three pathways, including glutathione metabolism, salivary secretion and mineral absorption pathways. These results suggested that the identified signaling pathways and their associated genes may be crucial for understanding the molecular mechanisms underlying malignant transformation from BLEL, and they may be considered to be markers for predicting malignancy among the BLEL group. PMID- 29207200 TI - Effect of TW37 on the growth of H1975 EGFR-TKI-resistant lung cancer cells and its underlying mechanisms. AB - Previous studies have suggested that the B-cell lymphoma 2 (Bcl-2) inhibitor, TW37, may induce apoptosis of the non-small cell lung cancer cell line, H1975/epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI), which exhibits secondary resistance to EGFR-TKI. However, the effects of TW37 on H1975/EGFR-TKI cells remain unclear. The aim of the present study was to investigate the effects of TW37 on the growth of H1975/EGFR-TKI cells and explore the underlying mechanisms. An in vitro study was performed, whereby H1975/EGFR TKI cells were treated with serially increasing concentrations of TW37. MTT, flow cytometry, migration and transwell invasion assays were preformed to investigate the proliferation, apoptosis, migration and invasion of H1975/EGFR-TKI cells, respectively. In addition, reverse transcription-polymerase chain reaction and western blot analyses were performed to detect the mRNA and protein expression levels of apoptosis-associated factors, respectively. An enzyme-linked immunosorbent assay was performed to detect phosphatidylinositol [3,4,5] tris phosphate (PIP3) expression. The results suggested that the mRNA and protein expression levels of Bcl-2 were significantly decreased in TW37-treated cells when compared with the untreated control group. Following treatment with TW37, the proliferation, migration and invasion ability of H1975/EGFR-TKI cells decreased in a dose-dependent manner, while the percentage of apoptotic cells increased. In addition, the results demonstrated that TW37 reduced the expression of PIP3 and the phosphorylation of AKT serine/threonine kinase 1 (AKT) in H1975/EGFR-TKI cells in a dose-dependent manner. In conclusion, TW37 inhibited H1975/EGFR-TKI cell growth and induced cell apoptosis potentially via suppression of AKT signaling pathway activation. PMID- 29207202 TI - Synthesis, Structure, and Acidity Constants of Ligated alpha-Boryl Acetic Acids. AB - Basic hydrolyses of various ligated alpha-boryl acetic acid esters provided the first ligated derivatives of the unknown compound boroacetic acid (BH2 CH2 CO2 H). Four monoacids (L-BH2 CH2 CO2 H) and one diacid (L-BH(CH2 CO2 H)2 ) were prepared with N-heterocyclic carbene, amine, and pyridine ligands (L). The stable acids were characterized by X-ray crystallography and acidity constant (pKa ) measurements. They rank among the least acidic of all known carboxylic acids. In turn, their conjugate bases are among the strongest of all carboxylates. PMID- 29207201 TI - Hypoxia modulates the stem cell population and induces EMT in the MCF-10A breast epithelial cell line. AB - A common feature among pre-malignant lesions is the induction of hypoxia through increased cell propagation and reduced access to blood flow. Hypoxia in breast cancer has been associated with poor patient prognosis, resistance to chemotherapy and increased metastasis. Although hypoxia has been correlated with factors associated with the latter stages of cancer progression, it is not well documented how hypoxia influences cells in the earliest stages of transformation. Using the immortalized MCF-10A breast epithelial cell line, we used hypoxic culture conditions to mimic reduced O2 levels found within early pre-malignant lesions and assessed various cellular parameters. In this non-transformed mammary cell line, O2 deprivation led to some changes not immediately associated with cancer progression, such as decreased proliferation, cell cycle arrest and increased apoptosis. In contrast, hypoxia did induce other changes more consistent with an increased metastatic potential. A rise in the CD44+CD24-/low labeled cell sub-population along with increased colony forming capability indicated an expanded stem cell population. Hypoxia also induced cellular and molecular changes consistent with an epithelial-to-mesenchymal transition (EMT). Furthermore, these cells now exhibited increased migratory and invasive abilities. These results underscore the contribution of the hypoxic tumour microenvironment in cancer progression and dissemination. PMID- 29207203 TI - A Rotaxane Scaffold Bearing Multiple Redox Centers: Synthesis, Surface Modification and Electrochemical Properties. AB - A rotaxane scaffold incorporating two dithiolane anchoring units for the modification of gold surfaces has been functionalized with multiple copies of a redox unit, namely ferrocene. Surface modification has been first assessed at the single molecule level by atomic force microscopy (AFM) and scanning tunneling microscopy (STM) imaging, while tip enhanced Raman spectroscopy (TERS) provided the local vibrational signature of the ferrocenyl subunits of the rotaxanes grafted onto the gold surface. Finally, oxidation of the redox moieties within a rotaxane scaffold grafted onto gold microelectrodes has been investigated by ultrafast cyclic voltammetry. Intramolecular electron hopping is indeed extremely fast in this system. Moreover, the kinetics of charge injection depends on the molecular coverage due to the influence of intermolecular contacts on molecular motions. PMID- 29207204 TI - Cocoa production: Monocultures are not the solution to climate adaptation Response to Abdulai et al. 2017. PMID- 29207205 TI - Rebuttal from David Simpson and Jurgen Claassen. PMID- 29207206 TI - Spontaneous Covalent Self-Assembly of the Azoarcus Ribozyme from Five Fragments. AB - Spontaneous covalent assembly of short RNA fragments has been proposed as a plausible prebiotically relevant pathway to a self-reproducing system. We previously showed that the Azoarcus group I intron could self-assemble from four RNA fragments. Here, we extended this fragmentation to five RNAs that averaged <40 nucleotides in length. We optimized this reaction and showed that a dehydration-rehydration sequence was the most effective means to date to shift the self-assembly equilibrium from reactants to products. PMID- 29207207 TI - Synthesis of Functionalized Nitriles by Microwave-Promoted Fragmentations of Cyclic Iminyl Radicals. AB - The synthesis of functionalized nitriles via microwave-promoted radical fragmentations of cyclic O-phenyl oxime ethers is reported. A variety of radical traps can be employed, permitting the generation of diverse adducts via C-O, C-C, C-N, or C-X bond formation. Other salient features include a simple and practical protocol, very short reaction times, and the avoidance of metal catalysts and toxic cyanide reagents. The utility of this method is demonstrated by the ring distortion of a steroid-derived substrate. PMID- 29207208 TI - CrossTalk opposing view: dynamic cerebral autoregulation should be quantified using induced (rather than spontaneous) blood pressure fluctuations. PMID- 29207210 TI - Rebuttal from Y. C. Tzeng and R. B. Panerai. PMID- 29207212 TI - Hydrophilicity and Microsolvation of an Organic Molecule Resolved on the Sub molecular Level by Scanning Tunneling Microscopy. AB - Low-temperature scanning tunneling microscopy was used to follow the formation of a solvation shell around an adsorbed functionalized azo dye from the attachment of the first water molecule to a fully solvated molecule. Specific functional groups bind initially one water molecule each, which act as anchor points for additional water molecules. Further water attachment occurs in areas close to these functional groups even when the functional groups themselves are already saturated. In contrast, water molecules surround the hydrophobic parts of the molecule only when the two-dimensional solvation shell closes around them. This study thus traces hydrophilic and hydrophobic properties of an organic molecule down to a sub-molecular length scale. PMID- 29207211 TI - Preparation and Electrochemical Properties of NiCo2 O4 Nanospinels Supported on Graphene Derivatives as Earth-Abundant Oxygen Bifunctional Catalysts. AB - This work reports on the facile synthesis and characterisation of a non-precious metal bifunctional catalyst for oxygen reduction and evolution reactions (ORR and OER). A few-layer reduced graphene oxide-supported NiCo2 O4 catalyst is prepared using a rapid and easy two-step method of synthesis. It consists of the solvothermal poyl(vinylpyrrolidone)-assisted assembly of metal complexes onto few layer graphene followed by a calcination step aiming at converting metal complexes into the spinel phase. Using this synthesis approach, the most active material demonstrates an outstanding activity towards the OER and ORR, making it one of the best bifunctional catalysts of these reactions ever reported. This composite catalyst exhibits improved bifunctional behaviour with a low reversibility criterion of 746 mV. The ORR process follows a four-electron pathway and the hydroxyl selectivity is higher than those with pure reduced graphene oxide or NiCo2 O4 materials, showing the synergistic effect between the two phases. Moreover, the high activity of this composite catalyst is confirmed by comparing its performance with those obtained on other cobaltite catalysts prepared using a different synthesis method, or those obtained using a different graphene-based support. PMID- 29207213 TI - CrossTalk proposal: dynamic cerebral autoregulation should be quantified using spontaneous blood pressure fluctuations. PMID- 29207214 TI - Feed thickener for infants up to six months of age with gastro-oesophageal reflux. AB - BACKGROUND: Gastro-oesophageal reflux (GOR) is common in infants, and feed thickeners are often used to manage it in infants as they are simple to use and perceived to be harmless. However, conflicting evidence exists to support the use of feed thickeners. OBJECTIVES: To evaluate the use of feed thickeners in infants up to six months of age with GOR in terms of reduction in a) signs and symptoms of GOR, b) reflux episodes on pH probe monitoring or intraluminal impedance or a combination of both, or c) histological evidence of oesophagitis. SEARCH METHODS: We used the standard search strategy of the Cochrane Neonatal Review Group to search the Cochrane Central Register of Controlled Trials (CENTRAL 2016, Issue 2), MEDLINE via PubMed (1966 to 22 November 2016), Embase (1980 to 22 November 2016), and CINAHL (1982 to 22 November 2016). We also searched clinical trials databases, conference proceedings, and the reference lists of retrieved articles for randomised controlled trials. SELECTION CRITERIA: We included randomised controlled trials if they examined the effects of feed thickeners as compared to unthickened feeds (no treatment or placebo) in treating GOR in term infants up to six months of age or six months of corrected gestational age for those born preterm. DATA COLLECTION AND ANALYSIS: Two review authors independently identified eligible studies from the literature search. Two review authors independently performed data extraction and quality assessments of the eligible studies. Differences in opinion were resolved by discussion with a third review author, and consensus was reached among all three review authors. We used the GRADE approach to assess the quality of the evidence. MAIN RESULTS: Eight trials recruiting a total of 637 infants met the inclusion criteria for the systematic review. The infants included in the review were mainly formula-fed term infants. The trials were of variable methodological quality. Formula-fed term infants with GOR on feed thickeners had nearly two fewer episodes of regurgitation per day (mean difference -1.97 episodes per day, 95% confidence interval (CI) -2.32 to 1.61; 6 studies, 442 infants, moderate-certainty evidence) and were 2.5 times more likely to be asymptomatic from regurgitation at the end of the intervention period (risk ratio 2.50, 95% CI 1.38 to 4.51; number needed to treat for an additional beneficial outcome 5, 95% CI 4 to 13; 2 studies, 186 infants, low certainty evidence) when compared to infants with GOR on unthickened feeds. No studies reported failure to thrive as an outcome. We found low-certainty evidence based on 2 studies recruiting 116 infants that use of feed thickeners improved the oesophageal pH probe parameters of reflux index (i.e. percentage of time pH < 4), number of reflux episodes lasting longer than 5 minutes, and duration of longest reflux episode. No major side effects were reported with the use of feed thickeners. Information was insufficient to conclude which type of feed thickener is superior. AUTHORS' CONCLUSIONS: Gastro-oesophageal reflux is a physiological self resolving phenomenon in infants that does not necessarily require any treatment. However, we found moderate-certainty evidence that feed thickeners should be considered if regurgitation symptoms persist in term bottle-fed infants. The reduction of two episodes of regurgitation per day is likely to be of clinical significance to caregivers. Due to the limited information available, we were unable to assess the use of feed thickeners in infants who are breastfeeding or preterm nor could we conclude which type of feed thickener is superior. PMID- 29207215 TI - Unique preening behavior may use light and heat to facilitate ectoparasite removal in green herons (Butorides virescens). PMID- 29207216 TI - The roles of cellular and molecular components of a hematoma at early stage of bone healing. AB - Bone healing is a complex repair process that commences with the formation of a blood clot at the injured bone, termed hematoma. It has evidenced that a lack of a stable hematoma causes delayed bone healing or non-union. The hematoma at the injured bone constitutes the early healing microenvironment. It appears to dictate healing pathways that ends in a regenerative bone. However, the hematoma is often clinically removed from the damaged site. Conversely, blood-derived products have been used in bone tissue engineering for treating critical sized defects, including fibrin gels and platelet-rich plasma. A second generation of platelet concentrate that is based on leukocyte and fibrin content has also been developed and introduced in market. Conflicting effect of these products in bone repair are reported. We propose that the bone healing response becomes dysregulated if the blood response and subsequent formation and properties of a hematoma are altered. This review focuses on the central structural, cellular, and molecular components of a fracture hematoma, with a major emphasis on their roles in regulating bone healing mechanism, and their interactions with mesenchymal stem cells. New angles towards a better understanding of these factors and relevant mechanisms involved at the beginning of bone healing may help to clarify limited or adverse effects of blood-derived products on bone repair. We emphasize that the recreation of an early hematoma niche with critical compositions might emerge as a viable therapeutic strategy for enhanced skeletal tissue engineering. PMID- 29207217 TI - [Clinical competence in Nephrology: proposal of an evaluation pathway and definition of professional levels]. AB - The need to assess clinical competencies in a medical environment is an intriguing issue due to progressive involvement of young physicians in clinical practice, as well as for connections tied to evaluation systems to define postgraduate training and career progression. To reach this goal, system must be based upon contributions that are aimed to achieve a clear and homogeneous evaluation pathway and strictly related to the continuing medical education institution (credits). All these presuppositions are instrumental for the proposal of a sheet which could allow a data retrieval useful to depict a career progression by means of: identification of reproducible parameters along with clear standards; advices for indicators; objective judgments that could drive to a score meaningful for reaching higher steps in the performance evaluation. This work had been carried out at Local Health Authority 1 of Cuneo (ASLCN1) from 2014 to 2017 in order to provide a widely usable evaluation framework for all the medical workers. Aim of this work is thus to show up an original methodology, as much as possible based upon objective items, related to the professional improvement of a nephrologist working in Hospital and following him along his clinical course. PMID- 29207218 TI - [Medicine and Nephrology from Social Networks]. PMID- 29207219 TI - [Donor and recipient selection in living donor kidney transplantation: eligibility]. AB - This review is intended to be a guide for the physician to evaluate and prepare a donor / recipient couple for living kidney transplantation. Although it is intended to be exhaustive, it will not be able to respond at all possible and different cases, but it may apply at most of them. Renal transplantation is considered the choice treatment for patients with chronic renal failure and if the kidney transplant is performed pre-emptive it is associated with better organ and patient survival. The main aim of the program is to evaluate the risks of donor and recipient and to ensure the donor safety and well-being. Eligibility for living transplant can only be granted when the risks are acceptable, well defined and the couple is adequately informed. The review includes clinical and legal procedures needed to transplantation. Early conditions that contraindicate the transplant must be removed, to avoid unnecessary exams, excessive waste of time, money. The sequence of the exams has been ordered so that costly and invasive surveys are carried out only after other simple and essential investigations have confirmed the transplant suitability. Special attention should be paid to the renal function measurement, proteinuria, hematuria, hypertension, obesity, pre diabetes, renal calculus, and cancers. To give eligibility for living transplant is often not easy, but a careful study can avoid many complications and improve the transplant outcome. PMID- 29207220 TI - [Long-term outcome of renal function in women with preeclampia and pregestational diabetes]. AB - Pre-eclampsia (PE) is an important cause of acute renal failure and an important risk marker for subsequent chronic kidney disease. In normal pregnancy, there are marked changes in the renin-angiotensin system (RAS) including considerably elevated angiotensin II (ang II) levels. However, vascular resistance decreases markedly during normal pregnancy, suggesting that pregnant individuals are less sensitive to ang II than non-pregnant individuals. In contrast, during PE decreased circulating components of the RAS with enhanced sensitivity of ang II infusion have been reported. Patients with a history of PE have an increased risk of microalbuminuria with a prevalence similar to subjects with type 1 diabetes mellitus. Women with gestational or chronic hypertension were at a high risk of end-stage renal disease (ESRD) vs. normotensive ones, but the risk is much greater for women who had PE or eclampsia than those who had gestational hypertension only. A previous episode of PE should suggest long-term follow-up, especially with respect to hypertension and microalbuminuria within 6-8 weeks of delivery, and should require a nephrological consult if these disorders do not resolve. Pregestational diabetes was also associated with long-term increased risk of ESRD and death. Lastly, women who have PE and give birth to offspring with low birth weight and short gestation have a substantially increased risk for having a later kidney biopsy. For all these reasons, short and long-term evaluation of kidney function should be suggested in women with previous complicated pregnancy. PMID- 29207221 TI - [Therapy of glucocorticoid induced osteoporosis]. AB - Glucocorticoid-induced osteoporosis (GIO) is a major cause of secondary osteoporosis that starts early after the beginning of therapy even for low drug doses. Glucocorticoids are used for the treatment of immunologic nephropathies and in the setting of kidney transplant. In clinical practice, a number of algorithms are available; they allow us to estimate the long-term risk of major osteoporotic fracture; but none of them is specific for GIO. To date, the therapeutic approach comprises both general measures aimed at correcting calcium and vitamin D intake, and drugs (bisphosphonates, teriparatide, hormone replacement therapy, denosumab) that ameliorate bone mineral density and patient outcomes. PMID- 29207222 TI - Urea and impairment of the Gut-Kidney axis in Chronic Kidney Disease. AB - Gut microbiota can be considered a real organ coordinating health and wellness of our body. It is made of more than 100 trillions of microorganisms, thus about 3 times higher than the number of human body cells and more than 150 times than human genes containing 1000 different microbe species. It has been described a symbiotic relationship between gut and kidney, confirmed by several observations. This is a bi-directional relation with a mutual influence, even when kidney disease occurs, and consequent alterations of intestinal microbiota and production of uremic toxins, that in turn worsens kidney disease and its progression. Our review analyzes the components of gut-kidney axis and relative clinical consequences. PMID- 29207223 TI - [Fragility fracture in the Chronic Kidney Disease (CKD)]. AB - Fragility fractures (FF) are common in patients with chronic kidney disease (CKD), and they occur at a younger age and with a higher frequency than in the general population, producing significant morbidity, mortality and healthcare costs. The pathogenic mechanisms underlying FF in CKD patients have not been completely understood. Behind CKD-MBD, the uremic toxicity should play a role in their pathogenesis, by affecting bone quality (uremic osteoporosis). There are very few prospective studies investigating risk factors for fragility fractures in CKD patients, and available algorithms for fracture risk prediction (FRAX and DeFRA) have never considered CKD. The diagnosis of vertebral fractures (FV), under-diagnosed in CKD patients as well as in general population, should be performed by Quantitative Vertebral Morphometry (QVM) both with DXA or Spine (D4 L5) x-Ray. A recent KDIGO review has qualified the measurement of the Bone Mineral Density by DXA as a predictive tool for fracture risk assessment in patients with stage G3a-G5D. Furthermore, the Trabecular Bone Score (TBS, software applied to DXA) allows the bone quality evaluation as well as the fracture risk prediction. Other techniques, such as Quantitative Computerized Tomography (QCT), especially High Resolution-peripheral QCT (HR-pQCT), have been shown to be useful, although expensive. Finally, some bone biomarkers (PTH and BAP) demonstrated to be informative for the definition of fracture risk in patients with CKD-MBD. In conclusion, there are several different tools and approaches that demonstrated to be useful for the identification of CKD patients at high risk of fracture, when these are appropriately performed and interpreted by expertise clinicians. PMID- 29207224 TI - [Bone biopsy in the Chronic Kidney Disease (CKD)]. AB - Histomorphometry or quantitative histology is the analysis on histologic sections of bone resorption, formation and structure parameters. It is the only technique allowing a dynamic evaluation of osteoblast activity after labelling with tetracycline. In addition, the use of computed image analyzer allows the possibility to assess bone microarchitecture. Histomorphometric bone biopsy is a reliable and well-tolerated procedure. Bone samples are taken at iliac crest level under local anesthesia and sedation. Samples are put into methyl metacrilate resin where the sections are prepared for the microscopic analysis of different histomorphometric parameters. Histomorphometry is used to exclude or confirm the diagnosis of osteomalacia and also to evaluate bone damage associated with particular treatments (for example, glucocorticoids, anticonvulsants) or in case of rare bone diseases (osteogenesis imperfecta). Recently, this approach has been repurposed for the evaluation of bone disease during Chronic Kidney Disease, particularly to differentiate high and low bone turnover osteodystrophy. Kidney Disease Improving Global Outcomes (KDIGO) guidelines have pointed out the situations requiring bone biopsy for histomorphometric analysis. New techniques using molecular biology will improve the accuracy and predictive value of this approach. PMID- 29207225 TI - [ASSOCIATION BETWEEN VERTEBRAL FRACTURES AND VASCULAR CALCIFICATIONS]. AB - Several cross-sectional and prospective studies highlight the existence of an association between bone fractures and abdominal aortic calcifications, especially if particularly severe and independent from confounders such as aging, smoking habits and diabetes. This phenomenon affects not only the general population but also patients with chronic kidney disease in which cortical bone lesions are prevalent. Moreover, bone fractures and aortic calcifications have been proved to be linked to increased cardiovascular morbidity and mortality, both in the general populations and in patients with chronic kidney disease, who notoriously show elevated cardiovascular risks. Therefore, diagnostic investigations about bone fractures and abdominal aortic calcifications, particularly in patients with chronic kidney disease, may represent a useful tool for identification of patients with a higher cardiovascular risk in order to optimize therapies for bone metabolism disorders. PMID- 29207226 TI - [The treatment of the patient presenting with chronic kidney disease (CKD) and fragility fractures]. AB - Fragility fractures occur in all stages of chronic kidney disease (CKD) due to low bone mineral density and poor bone quality (namely osteoporosis), as well as in CKD-mineral and bone disorders (CKD-MBD). As in postmenopausal women and older adults, the prompt identification of CKD subjects with a history of fragility fractures is crucial in order to implement strategies to reduce the risk of new fragility fractures and their consequences. The treatment of severe osteoporosis for patients with stages 1-3 CKD should not differ from patients without CKD, while clinical decisions and pharmacological treatments in subjects with stages 4 5/5D CKD differ greatly, being more tricky and challenging. Before starting a pharmacological therapy in subjects with stages 4-5/5D CKD and a history of fragility fractures, it is imperative to discriminate between osteoporosis and CKD-MBD, using quantitative bone histomorphometry. After the implementation of general non-pharmacological measures for fractures and falls risk reduction, the management of osteoporotic patients in stages 4-5/5D CKD may include bisphosphonates and denosumab, though evidence for safety and efficacy is marginal in advanced CKD. Alendronate, risedronate and denosumab have been shown to be effective (in reducing fracture incidence), safe and well tolerated in stage 4 CKD. On the other hand, the pharmacological treatment in patients with stage 5/5D CKD has been explored only in small reports/series producing poor or limited evidence. In all cases (stages 4-5/5D), physicians should be aware of the potential risk of adverse events such as the adynamic bone disease or hypocalcaemia. PMID- 29207227 TI - First case report of using Ofatumumab in kidney transplantation AB0 incompatible. AB - Modern methods for desensitization protocol rely heavily on combined apheresis therapy and Rituximab, a chimeric (murine and human) anti-CD20 antibody used in AB0 incompatible kidney transplants. Severe infusion related reactions due to the administration of Rituximab are reported in 10% of patients. These adverse reactions may hinder the completion of the desensitization protocol. Therefore, it's useful to test alternative B cell depleting therapies. Our clinical case focuses on a 41-year-old male who developed an adverse infusion reaction following the administration of Rituximab and was given Ofatumumab as an alternative treatment. Ofatumumab is a fully humanized monoclonal anti-CD20 antibody. As a fully humanized antibody, Ofatumumab may avoid immunogenic reactions. The patient tolerated the administration of the drug showing no signs of adverse side effects and with good clinical efficacy. Our case report suggest that Ofatumumab is a valid alternative B cell depleting agent. PMID- 29207228 TI - [Clinical practice for the diagnosis of cardiac arrhythmias in patients on renal replacement therapy: data from a Lombard survey]. AB - Among dialysis patients, 40% of deaths are due to cardiovascular causes, and 60% of cardiac deaths are due to an arrhythmia. The purpose of this survey, carried out with the organizational support of the Lombard Section of the Italian Society of Nephrology, is to evaluate the frequency and mode of use of non-invasive instruments for the diagnosis of cardiac arrhythmias in the dialysis centers of Lombardy. Information on the prevalence and type of cardiac devices at December 1, 2016 in this population was also required. Data from 18 centers were collected for a total of 3395 patients in replacement renal therapy, including 2907 (85.6%) in hemodialysis and 488 (14.4%) in peritoneal dialysis. All centers use the 12 lead ECG in case of evocative symptoms of an arrhythmic event and 2/3 perform the exam with programmed cadence (usually once a year). Twenty four-hour ECG Holter is not used as a routine diagnostic tool. The proportion of cardiac devices is relatively high, compared to literature data: n=259, equal to 7.6% of the population. Pace-Maker patients are 166 (4.9%), those with intracardiac defibrillator 52 (1.5%), those with resynchronization therapy 18 (0.5%) and those with resynchronization therapy and intracardiac defibrillator 23 (0.7%). The survey provides interesting information and can be an important starting point for trying to optimize clinical practice and collaboration between nephrologists and cardiologists in front of a major problem like that of arrhythmic disease in patients on renal replacement therapy. PMID- 29207230 TI - [How italian Healthcare fights corruption: the experience of the APSS, city of Trento]. PMID- 29207231 TI - [Leading characters of privacy policies, informative note and informed consent]. PMID- 29207229 TI - [Bilirubin removal with Coupled Plasma Filtration and Adsorption in patients affected by hilar cholangiocarcinoma]. AB - Background: Patients affected by hilar cholangiocarcinoma are eligible for surgery only in the 20-30% of the cases and postoperative mortality is 40-50%. Many specialists are involved in the treatment of this disease, like surgeons, gastroenterologists, oncologists and radiotherapists. Recent studies have shown that preoperative bilirubinaemia is a predictor of morbidity and mortality after surgery. Coupled Plasma Filtration and Adsorption (CPFA) is a blood purification extracorporeal therapy recommended for sepsis and able to reduce bilirubinaemia. METHODS: We treated 10 patients referred to our centre affected by hilar cholangiocarcinoma complicated by obstructive jaundice with 34 CPFA sessions to test its ability to reduce preoperative bilirubin levels and we checked for mortality at 90 days. RESULTS: CPFA reduced preoperative bilirubin of 30% for session; it also improved others inflammation and coagulation tests. Mortality at 90 days was 40%. CONCLUSIONS: CPFA is an effective therapy for hyperbilirubinaemia. Lowering preoperative bilirubinaemia and improvement of coagulation tests subsidized the management of the patients but in our study did not affect postoperative mortality. Further studies to evaluate the indications for treatments that remove bilirubin in this setting are needed. PMID- 29207232 TI - A- to B-DNA Transition in AMBER Force Fields and Its Coupling to Sugar Pucker. AB - The A/B transition is a basic element of DNA conformational change. Because of its involvement in the sensing of the ionic conditions by DNA and in specific protein-DNA interactions, this transition is important for biological functions of DNA. Therefore, accurate modeling of the A/B equilibrium by means of empirical force fields is of utmost interest. In this work, we examine the A/B equilibrium in three AMBER force fields, including the recent bsc1 and OL15 modifications, using much longer MD simulations than attempted before. Special attention is paid to the coupling of the A/B equilibrium with the south/north (S/N) transition of the sugar pucker. We found that none of the tested force fields provided a satisfactory description of the A/B equilibrium because the B-form was predicted to be much too stable and the A-form was predicted to be almost absent even in concentrated trifluoroethanol solutions. Based on comparison with NMR data for duplexes and single nucleosides, we hypothesize that this problem arose from the incorrect description of the S/N equilibrium of sugar pucker, where the south conformation is much too stable, thus stabilizing the B-form. Because neither the A/B equilibrium in duplexes nor the S/N equilibrium in nucleosides was described accurately, further refinements of the AMBER DNA force fields are needed. PMID- 29207233 TI - Anomalous Temperature Dependence in Metal-Black Phosphorus Contact. AB - Metal-semiconductor contact has been the performance limiting problem for electronic devices and also dictates the scaling potential for future generation devices based on novel channel materials. Two-dimensional semiconductors beyond graphene, particularly few layer black phosphorus, have attracted much attention due to their exceptional electronic properties such as anisotropy and high mobility. However, due to its ultrathin body nature, few layer black phosphorus metal contact behaves differently than conventional Schottky barrier (SB) junctions, and the mechanisms of its carrier transport across such a barrier remain elusive. In this work, we examine the transport characteristic of metal black phosphorus contact under varying temperature. We elucidated the origin of apparent negative SB heights extracted from classical thermionic emission model and also the phenomenon of metal-insulator transition observed in the current temperature transistor characteristic. In essence, we found that the SB height can be modulated by the back-gate voltage, which beyond a certain critical point becomes so low that the injected carrier can no longer be described by the conventional thermionic emission theory. The transition from transport dominated by a Maxwell-Boltzmann distribution for the high energy tail states, to that of a Fermi distribution by low energy Fermi sea electrons, is the physical origin of the observed metal-insulator transition. We identified two distinctive tunneling limited transport regimes in the contact: vertical and longitudinal tunneling. PMID- 29207234 TI - Vacuum UV Polarization Spectroscopy of p-Terphenyl. AB - p-Terphenyl is used as a component in a variety of optical devices. In this investigation, the electronic transitions of p-terphenyl are investigated by synchrotron radiation linear dichroism (SRLD) spectroscopy in the range 30000 58000 cm-1 (330-170 nm) on molecular samples aligned in stretched polyethylene, thereby extending the region investigated by polarization spectroscopy into the vacuum UV. The resulting partial absorbance curves reveal that the vacuum UV band system with a maximum at 55000 cm-1 (180 nm) is predominantly short axis polarized. This result is of interest in the optical applications of p-terphenyl, for example as a wavelength shifter. The observed polarization spectra are compared with the results of quantum chemical model calculations. Convoluted versions of the transitions predicted with the semiempirical ZINDO method and with the long-range-corrected time-dependent density functional theory (TD-DFT) procedures TD-CAM-B3LYP, TD-LC-omegaPBE, and TD-omegaB97XD are in similar qualitative agreement with the observed partial absorbance curves throughout the investigated spectral regions, while TD-B3LYP fails to predict qualitatively the spectrum of p-terphenyl in the region above 40000 cm-1 (250 nm). PMID- 29207235 TI - A Data-Driven Perspective on the Hierarchical Assembly of Molecular Structures. AB - Macromolecular systems are composed of a very large number of atomic degrees of freedom. There is strong evidence suggesting that structural changes occurring in large biomolecular systems at long time scale dynamics may be captured by models coarser than atomistic, although a suitable or optimal coarse-graining is a priori unknown. Here we propose a systematic approach to learning a coarse representation of a macromolecule from microscopic simulation data. In particular, the definition of effective coarse variables is achieved by partitioning the degrees of freedom both in the structural (physical) space and in the conformational space. The identification of groups of microscopic particles forming dynamical coherent states in different metastable states leads to a multiscale description of the system, in space and time. The application of this approach to the folding dynamics of two proteins provides a revised view of the classical idea of prestructured regions (foldons) that combine during a protein-folding process and suggests a hierarchical characterization of the assembly process of folded structures. PMID- 29207236 TI - Modified Separator Performing Dual Physical/Chemical Roles to Inhibit Polysulfide Shuttle Resulting in Ultrastable Li-S Batteries. AB - In this paper we describe a modified (AEG/CH) coated separator for Li-S batteries in which the shuttling phenomenon of the lithium polysulfides is restrained through two types of interactions: activated expanded graphite (AEG) flakes interacted physically with the lithium polysulfides, while chitosan (CH), used to bind the AEG flakes on the separator, interacted chemically through its abundance of amino and hydroxyl functional groups. Moreover, the AEG flakes facilitated ionic and electronic transfer during the redox reaction. Live H-cell discharging experiments revealed that the modified separator was effective at curbing polysulfide shuttling; moreover, X-ray photoelectron spectroscopy analysis of the cycled separator confirmed the presence of lithium polysulfides in the AEG/CH matrix. Using this dual functional interaction approach, the lifetime of the pure sulfur-based cathode was extended to 3000 cycles at 1C-rate (1C = 1670 mA/g), decreasing the decay rate to 0.021% per cycle, a value that is among the best reported to date. A flexible battery based on this modified separator exhibited stable performance and could turn on multiple light-emitting diodes. Such modified membranes with good mechanical strength, high electronic conductivity, and anti-self-discharging shield appear to be a scalable solution for future high energy battery systems. PMID- 29207238 TI - Nonadiabatic Ab Initio Molecular Dynamics with the Floating Occupation Molecular Orbital-Complete Active Space Configuration Interaction Method. AB - We show that the floating occupation molecular orbital complete active space configuration interaction (FOMO-CASCI) method is a promising alternative to the widely used complete active space self-consistent field (CASSCF) method in direct nonadiabatic dynamics simulations. We have simulated photodynamics of three archetypal molecules in photodynamics: ethylene, methaniminium cation, and malonaldehyde. We compared the time evolution of electronic populations and reaction mechanisms as revealed by the FOMO-CASCI and CASSCF approaches. Generally, the two approaches provide similar results. Some dynamical differences are observed, but these can be traced back to energetically minor differences in the potential energy surfaces. We suggest that the FOMO-CASCI method represents, due to its efficiency and stability, a promising approach for direct ab initio dynamics in the excited state. PMID- 29207239 TI - The Human Microbiota, Infectious Disease, and Global Health: Challenges and Opportunities. AB - Despite significant advances in treating infectious diseases worldwide, morbidity and mortality associated with pathogen infection remains extraordinarily high and represents a critical scientific and global health challenge. Current strategies to combat these infectious agents include a combination of vaccines, small molecule drugs, increased hygiene standards, and disease-specific interventions. While these approaches have helped to drastically reduce the incidence and number of deaths associated with infection, continued investment in current strategies and the development of novel therapeutic approaches will be required to address these global health threats. Recently, human- and vector-associated microbiotas, the assemblages of microorganisms living on and within their hosts, have emerged as a potentially important factor mediating both infection risk and disease progression. These complex microbial communities are involved in intricate and dynamic interactions with both pathogens as well as the innate and adaptive immune systems of their hosts. Here, we discuss recent findings that have illuminated the importance of resident microbiotas in infectious disease, emphasizing opportunities for novel therapeutic intervention and future challenges for the field. Our discussion will focus on four major global health threats: tuberculosis, malaria, HIV, and enteric/diarrheal diseases. We hope this Perspective will highlight the many opportunities for chemists and chemical biologists in this field as well as inspire efforts to elucidate the mechanisms underlying established disease correlations, identify novel microbiota-based risk factors, and develop new therapeutic interventions. PMID- 29207240 TI - C(5) Site-Selective Functionalization of (S)-Cotinine. AB - (S)-(-)-Cotinine 2 undergoes direct and site-selective iridium-catalyzed borylation to provide boronate ester 3 and bromide 4 which offer flexible entry to a range of C(5)-substituted cotinine variants. PMID- 29207237 TI - Proteins and Proteoforms: New Separation Challenges. PMID- 29207241 TI - Quantum Wires and Waveguides Formed in Graphene by Strain. AB - Confinement of electrons in graphene to make devices has proven to be a challenging task. Electrostatic methods fail because of Klein tunneling, while etching into nanoribbons requires extreme control of edge terminations, and bottom-up approaches are limited in size to a few nanometers. Fortunately, its mechanical flexibility raises the possibility of using strain to alter graphene's properties and create novel straintronic devices. Here, we report transport studies of nanowires created by linearly-shaped strained regions resulting from individual folds formed by layer transfer onto hexagonal boron nitride. Conductance measurements across the folds reveal Coulomb blockade signatures, indicating confined charges within these structures, which act as quantum dots. Along folds, we observe sharp features in traverse resistivity measurements, attributed to an amplification of the dot conductance modulations by a resistance bridge incorporating the device. Our data indicates ballistic transport up to ~1 MUm along the folds. Calculations using the Dirac model including strain are consistent with measured bound state energies and predict the existence of valley polarized currents. Our results show that graphene folds can act as straintronic quantum wires. PMID- 29207242 TI - Suppression of Aflatoxin Production in Aspergillus Species by Selected Peanut (Arachis hypogaea) Stilbenoids. AB - Aspergillus flavus is a soil fungus that commonly invades peanut seeds and often produces carcinogenic aflatoxins. Under favorable conditions, the fungus challenged peanut plant produces and accumulates resveratrol and its prenylated derivatives in response to such an invasion. These prenylated stilbenoids are considered peanut antifungal phytoalexins. However, the mechanism of peanut fungus interaction has not been sufficiently studied. We used pure peanut stilbenoids arachidin-1, arachidin-3, and chiricanine A to study their effects on the viability of and metabolite production by several important toxigenic Aspergillus species. Significant reduction or virtually complete suppression of aflatoxin production was revealed in feeding experiments in A. flavus, Aspergillus parasiticus, and Aspergillus nomius. Changes in morphology, spore germination, and growth rate were observed in A. flavus exposed to the selected peanut stilbenoids. Elucidation of the mechanism of aflatoxin suppression by peanut stilbenoids could provide strategies for preventing plant invasion by the fungi that produce aflatoxins. PMID- 29207243 TI - Significantly Enhanced Dielectric Performances and High Thermal Conductivity in Poly(vinylidene fluoride)-Based Composites Enabled by SiC@SiO2 Core-Shell Whiskers Alignment. AB - Design of composites with ordered fillers arrangement results in anisotropic performances with greatly enhanced properties along a specific direction, which is a powerful tool to optimize physical properties of composites. Well-aligned core-shell SiC@SiO2 whiskers in poly(vinylidene fluoride) (PVDF) matrix has been achieved via a modified spinning approach. Because of the high aspect ratio of SiC whiskers, strong anisotropy and significant enhancement in dielectric constant were observed with permittivity 854 along the parallel direction versus 71 along the perpendicular direction at 20 vol % SiC@SiO2 loading, while little increase in dielectric loss was found due to the highly insulating SiO2 shell. The anisotropic dielectric behavior of the composite is perfectly understood macroscopically to have originated from anisotropic intensity of interfacial polarization based on an equivalent circuit model of two parallel RC circuits connected in series. Furthermore, finite element simulations on the three dimensional distribution of local electric field, polarization, and leakage current density in oriented SiC@SiO2/PVDF composites under different applied electrical field directions unambiguously revealed that aligned core-shell SiC@SiO2 whiskers with a high aspect ratio significantly improved dielectric performances. Importantly, the thermal conductivity of the composite was synchronously enhanced over 7 times as compared to that of PVDF matrix along the parallel direction at 20 vol % SiC@SiO2 whiskers loading. This study highlights an effective strategy to achieve excellent comprehensive properties for high-k dielectrics. PMID- 29207244 TI - Chemoproteomics Reveals Unexpected Lysine/Arginine-Specific Cleavage of Peptide Chains as a Potential Protein Degradation Machinery. AB - Proteins can undergo oxidative cleavage by in vitro metal-catalyzed oxidation (MCO) in either the alpha-amidation or the diamide pathway. However, whether oxidative cleavage of polypeptide-chain occurs in biological systems remains unexplored. We describe a chemoproteomic approach to globally and site specifically profile electrophilic protein degradants formed from peptide backbone cleavages in human proteomes, including the known N-terminal alpha ketoacyl products and >1000 unexpected N-terminal formyl products. Strikingly, such cleavages predominantly occur at the carboxyl side of lysine (K) and arginine (R) residues across native proteomes in situ, while MCO-induced oxidative cleavages randomly distribute on peptide/protein sequences in vitro. Furthermore, ionizing radiation-induced reactive oxygen species (ROS) also generate random oxidative cleavages in situ. These findings suggest that the endogenous formation of N-formyl and N-alpha-ketoacyl degradants in biological systems is more likely regulated by a previously unknown mechanism with a trypsin like specificity, rather than the random oxidative damage as previously thought. More generally, our study highlights the utility of quantitative chemoproteomics in combination with unrestricted search tools as a viable strategy to discover unexpected chemical modifications of proteins labeled with active-based probes. PMID- 29207245 TI - Mixed Quantum/Classical Method for Nonadiabatic Quantum Dynamics in Explicit Solvent Models: The pipi*/npi* Decay of Thymine in Water as a Test Case. AB - We present a novel mixed quantum classical dynamical method to include solvent effects on internal conversion (IC) processes. All the solute degrees of freedom are represented by a wavepacket moving according to nonadiabatic quantum dynamics, while the motion of an explicit solvent model is described by an ensemble of classical trajectories. The mutual coupling of the solute and solvent dynamics is included within a mean-field framework and the quantum and classical equations of motions are solved simultaneously. As a test case we apply our method to the ultrafast pipi* -> npi* decay of thymine in water. Solvent dynamical response modifies IC yield already on the 50 fs time scale. This effect is due to water librational motions that stabilize the most populated state. Pure static disorder, that is, the existence of different solvent configurations when photoexcitation takes place, also has a remarkable impact on the dynamics. PMID- 29207246 TI - Multiple Reaction Monitoring for the Quantitation of Serum Protein Glycosylation Profiles: Application to Ovarian Cancer. AB - Protein glycosylation fingerprints are widely recognized as potential markers for disease states, and indeed differential glycosylation has been identified in multiple types of autoimmune diseases and several types of cancer. However, releasing the glycans leave the glycoproteins unknown; therefore, there exists a need for high-throughput methods that allow quantification of site- and protein specific glycosylation patterns from complex biological mixtures. In this study, a targeted multiple reaction monitoring (MRM)-based method for the protein- and site-specific quantitation involving serum proteins immunoglobulins A, G and M, alpha-1-antitrypsin, transferrin, alpha-2-macroglobulin, haptoglobin, alpha-1 acid glycoprotein and complement C3 was developed. The method is based on tryptic digestion of serum glycoproteins, followed by immediate reverse phase UPLC-QQQ-MS analysis of glycopeptides. To quantitate protein glycosylation independent of the protein serum concentration, a nonglycosylated peptide was also monitored. Using this strategy, 178 glycopeptides and 18 peptides from serum glycoproteins are analyzed with good repeatability (interday CVs of 3.65-21-92%) in a single 17 min run. To assess the potential of the method, protein glycosylation was analyzed in serum samples from ovarian cancer patients and controls. A training set consisting of 40 cases and 40 controls was analyzed, and differential analyses were performed to identify aberrant glycopeptide levels. All findings were validated in an independent test set (n = 44 cases and n = 44 controls). In addition to the differential glycosylation on the immunoglobulins, which was reported previously, aberrant glycosylation was also observed on each of the glycoproteins, which could be corroborated in the test set. This report shows the development of a method for targeted protein- and site-specific glycosylation analysis and the potential of such methods in biomarker development. PMID- 29207247 TI - Surface Micropatterning of Uniaxially Oriented Polyethylene Films Using Interference Holography for Strain Sensors. AB - A new procedure is presented for direct generation of surface micropatterns on uniaxially oriented polyethylene (PE) films using interference holography with a nanosecond pulsed laser. An ultraviolet absorber, 2-(2H-benzotriazol-2-yl)-4,6-di tert-pentylphenol (BZT) is incorporated into PE prior to stretching to generate absorption at the wavelength of the laser. Illumination with an interference pattern in the absorption band of BZT leads to an obvious height variation in the exposed regions and consequently relief gratings are generated. The height in the exposed regions is strongly dependent on the angle between the grating direction and the film orientation direction. This phenomenon is attributed to a combination of events such as melting, entropic contraction, recrystallization, thermal evaporation of BZT, and anisotropic thermal conductivity. It is shown that the relief height increases with increasing BZT concentration and exhibits a linear dependence on the energy dose above a certain threshold. Additionally, the oriented PE films with the surface micropatterns are explored for strain sensors. The results demonstrate that small strains below 10% are monitored accurately in tensile deformation of the micropatterned, oriented PE films which makes these films potentially useful as strain sensors. PMID- 29207248 TI - Effect of pH and Salt on Surface pKa of Phosphatidic Acid Monolayers. AB - The pH-induced surface speciation of organic surfactants such as fatty acids and phospholipids in monolayers and coatings is considered to be an important factor controlling their interfacial organization and properties. Yet, correctly predicting the surface speciation requires the determination of the surface dissociation constants (surface pKa) of the protic functional group(s) present. Here, we use three independent methods-compression isotherms, surface tension pH titration, and infrared reflection-absorption spectroscopy (IRRAS)-to study the protonation state of dipalmitoylphosphatidic acid (DPPA) monolayers on water and NaCl solutions. By examining the molecular area expansion at basic pH, the pKa to remove the second proton of DPPA (surface pKa2) at the aqueous interface is estimated. In addition, utilizing IRRAS combined with density functional theory calculations, the vibrational modes of the phosphate headgroup were directly probed and assigned to understand DPPA charge speciation with increasing pH. We find that all three experimental techniques give consistent surface pKa2 values in good agreement with each other. Results show that a condensed DPPA monolayer has a surface pKa2 of 11.5, a value higher than previously reported (~7.9-8.5). This surface pKa2 was further altered by the presence of Na+ cations in the aqueous subphase, which reduced the surface pKa2 from 11.5 to 10.5. It was also found that the surface pKa2 value of DPPA is modulated by the packing density (i.e., the surface charge density) of the monolayer, with a surface pKa2 as low as 9.2 for DPPA monolayers in the two-dimensional gaseous phase over NaCl solutions. The experimentally determined surface pKa2 values are also found to be in agreement with those predicted by Gouy-Chapman theory, validating these methods and proving that surface charge density is the driving factor behind changes to the surface pKa2. PMID- 29207249 TI - Preschoolers' health-related quality of life following the implementation of a childcare physical activity intervention. AB - Being active offers many physical and emotional benefits contributing to a higher health-related quality of life (HRQoL); however, this relationship remains unexplored among preschoolers (aged 2.5-5 years). This study examined the impact of the Supporting Physical Activity in the Childcare Environment (SPACE), which was an intervention implemented using a cluster randomized controlled trial on preschoolers' HRQoL. Childcare centres were randomly allocated to the experimental (n = 11) or control (n = 11) conditions, and preschoolers' HRQoL was measured using the parent-report Pediatric Quality of Life Inventory 4.0 (3 subscales: physical, psychosocial, and total HRQoL) at baseline, post intervention (i.e., week 8), and 6- and 12-month follow-up. A linear mixed effects model was used to determine if preschoolers in the experimental condition displayed an increased HRQoL post-intervention and at follow-up compared with preschoolers in the control condition. Preschoolers (n = 234) with HRQoL data at baseline and one additional time-point were retained for analyses. Body mass index was not found to impact significantly on the intervention, and no statistically significant interaction effects were found for any of the 3 HRQoL variables. In conclusion, the SPACE intervention had no impact on preschoolers' HRQoL. Given the scarcity of research in this population, additional exploration is necessary to better understand the potential impact of physical activity participation on preschoolers' HRQoL. PMID- 29207250 TI - A survey of dog and cat anaesthesia in a sample of veterinary practices in New Zealand. AB - AIMS: To survey current anaesthesia practices for dogs and cats in small and mixed animal practices in New Zealand in order to improve anaesthesia education. METHODS: A questionnaire was sent to 440 small and mixed animal practices, including questions regarding the type of practice, preanaesthetic examination, anaesthetic drugs and management, anaesthetic machines, monitoring and topics of interest for continuing professional development. RESULTS: Responses were obtained from 113/440 (26%) practices, with 78 (69%) respondents from small and 35 (31%) from mixed animal practices. A preanaesthetic physical examination was carried out by >95% of respondents and premedication was usually given to dogs (112/113; 99%) and cats (95/113; 85%). Acepromazine was the preferred sedative for dogs and cats, with morphine or buprenorphine. Propofol and alfaxalone were the preferred induction agents, and isoflurane was preferred for maintenance in both dogs and cats. A venous catheter was usually placed for anaesthesia in dogs (59/113; 52%), but less so in cats (39/113; 35%). Perioperative fluid was administered at 10 mL/kg/hour by 62/110 (56%) respondents. Intubation was usually used for anaesthesia in dogs (111/112; 99%), and cats (87/112; 78%). Almost 40% of respondents usually administered supplementary oxygen if patients were not intubated. Local analgesia was used by 69/111 (88%) respondents sometimes or always if applicable. Morphine or buprenorphine, and meloxicam were common choices for post-operative analgesia after neuter surgery in dogs and cats. A semiclosed (non-rebreathing) system was used in animals weighing <10 kg, and a Mapleson E or F non-rebreathing circuit was used by 66/109 (61%) practices. Only 15/111 (14%) practices had a ventilator in their practice. A dedicated anaesthetist was usually used by 104/113 (92%) practices, and apnoea alarms, pulse oximeters, thermometers and oesophageal stethoscopes were the main monitoring devices available in practices. Loco-regional block, pain management, and anaesthetic drugs were the main topics of interest for continuing education. CONCLUSIONS AND CLINICAL RELEVANCE: Responses by the veterinarians taking part in this survey indicated that they had a reasonably good standard of anaesthetic practice. A physical examination was carried out preanaesthesia, and premedication including analgesia was routinely administered to most patients. A dedicated anaesthetist usually monitored patients and most respondents reported they had access to basic anaesthetic monitoring equipment. Areas where changes could lead to improved anaesthetic practice were increased use of I/V catheterisation, endotracheal intubation, and supplementary oxygen, and reduced I/V fluid rates. PMID- 29207251 TI - Oral contraceptives modulate the muscle metaboreflex in healthy young women. AB - There are known sex differences in blood pressure regulation. The differences are related to ovarian hormones that influence beta-adrenergic receptors and the transduction of muscle sympathetic nerve activity. Oral contraceptives (OC) modulate the ovarian hormonal profile in women and therefore may alter the cardiovascular response. We questioned if OC would alter the absolute pressor response to static exercise and influence the day-to-day variability of the response. Healthy men (n = 11) and women (n = 19) completed a familiarization day and 2 experimental testing days. Women were divided into those taking (W-OC, n = 10) and not taking (W-NC, n = 9) OC. Each experimental testing day involved isometric handgripping exercise, at 30% of maximal force, followed by circulatory occlusion to isolate the metaboreflex. Experimental days in men were 7-14 days apart. The first experimental testing in W-OC occurred 2-7 days after the start of the active phase of their OC. Women not taking OC were tested during the early and late follicular phase of the menstrual cycle as determined by commercial ovulation monitor. The increase in mean arterial pressure (MAP) during exercise was significantly lower in W-NC (95 +/- 4 mm Hg) compared with men (114 +/- 4 mm Hg) and W-OC (111 +/- 3 mm Hg) (P < 0.05), with the differences preserved during circulatory occlusion. The rise in MAP was significantly correlated between the 2 testing days in men (r = 0.72, P < 0.01) and W-OC (r = 0.77, P < 0.05), but not in W-NC (r = 0.17, P = 0.67), indicating greater day-to-day variation in W-NC. In conclusion, OC modulate the exercise pressor response in women and minimize day to-day variability in the exercise metaboreflex. PMID- 29207252 TI - Role of activin C in normal ovaries and granulosa cell tumours of mice and humans. AB - Activins and inhibins play important roles in the development, growth and function of the ovary. Mice lacking inhibin develop granulosa cell tumours in their ovaries that secrete activin A, and these tumours are modulated by increased activin C expression. The aim of the present study was to identify where activin C is expressed in mouse and human ovaries and whether overexpression of activin C modulates normal follicular development in mice. Immunohistochemical staining for the activin betaC subunit was performed on sections from mouse and human ovaries and human adult granulosa cell tumours. Stereology techniques were used to quantify oocyte and follicular diameters, and the percentage of different follicular types in ovaries from wild-type mice and those underexpressing inhibin alpha and/or overexpressing activin C. Staining for activin betaC was observed in the oocytes, granulosa cells, thecal cells and surface epithelium of mouse and human ovaries, and in the granulosa-like cells of adult granulosa cell tumours. Overexpression of activin C in mice did not alter follicular development compared with wild-type mice, but it did modulate the development of abnormal early stage follicles in inhibin alpha-null mice. These results provide further evidence of a role for activin C in the ovary. PMID- 29207253 TI - Influence of postnatal prolactin modulation on the development and maturation of ventral prostate in young rats. AB - Besides androgenic dependence, other hormones also influence the prostate biology. Prolactin has been described as an important hormone associated with maintenance of prostatic morphophysiology; however, there is a lack of information on the involvement of prolactin during prostate development and growth. This study aimed to evaluate whether perinatal prolactin modulation interferes with rat ventral prostate (VP) development and maturation. Therefore, prolactin or bromocriptine (an inhibitor of prolactin release from the pituitary) were administered to Sprague Dawley rats from postnatal Day (PND) 12 to PND 21 or 35. Animals were then killed and serum hormonal quantification, VP morphological stereological and immunohistochemical analyses and western blotting reactions were employed. Our results demonstrate that prolactin blockage increased serum testosterone on PND 21, which reflected an increase in anogenital distance. Although prolactin modulation did not interfere with VP weight, it modified VP morphology by dilating the acinar lumen and reducing epithelial cell height. Prolactin activated the signal transducer and activator of transcription (STAT) downstream pathway, increased androgen receptor expression and epithelial proliferation. In addition, prolactin and bromocriptine also increased expression of cytokeratin 18, a marker of luminal-differentiated cells. In conclusion, the VP responds to prolactin modulation through a mechanism of increasing the epithelial proliferative response and dynamics of cell differentiation, especially in animals treated for a more prolonged period. PMID- 29207254 TI - Seeing a Coastline Paradox in Membrane Reservoirs. AB - In this issue of Developmental Cell, Goudarzi et al. (2017) examine the membrane source that allows bleb-based cell migration in vivo. Their work reminds us of the fractal nature of cell surfaces and highlights how the unfolding of these convoluted surfaces contributes to physiologically relevant cell shape change in intact organisms. PMID- 29207255 TI - Macrophage Cytoplasmic Transfer in Melanoma Invasion. AB - Within tumors, macrophage infiltration can promote cancer cell invasiveness and, consequently, metastatic dissemination. In this issue of Developmental Cell, Roh Johnson et al. (2017) reveal that cytoplasmic transfer from macrophages to melanoma cells correlates with melanoma invasion and arises as a result of intimate cell-cell contact. PMID- 29207256 TI - MAP Kinase Signaling Turns to ICE. AB - Plants in temperate climates utilize cold acclimation modes to improve frost tolerance during phases of active growth. Two papers in this issue of Developmental Cell (Li et al., 2017; Zhao et al., 2017) now highlight the important role MAP kinases play in this process in Arabidopsis thaliana. PMID- 29207257 TI - Forcing Entry into the Nucleus. AB - Nuclear pore complexes tightly regulate nucleo-cytoplasmic transport, controlling the nuclear concentration of several transcription factors. In a recent issue of Cell, Elosegui-Artola et al. (2017) show that nuclear deformation modulates the nuclear entry rates of YAP/TAZ via nuclear pore stretching, clarifying how forces affect gene transcription. PMID- 29207258 TI - Macrophage-Dependent Cytoplasmic Transfer during Melanoma Invasion In Vivo. AB - Interactions between tumor cells and tumor-associated macrophages play critical roles in the initiation of tumor cell motility. To capture the cellular interactions of the tumor microenvironment with high-resolution imaging, we directly visualized tumor cells and their interactions with macrophages in zebrafish. Live imaging in zebrafish revealed that macrophages are dynamic, yet maintain sustained contact with tumor cells. In addition, the recruitment of macrophages to tumor cells promotes tumor cell dissemination. Using a Cre/LoxP strategy, we found that macrophages transfer cytoplasm to tumor cells in zebrafish and mouse models. Remarkably, macrophage cytoplasmic transfer correlated with melanoma cell dissemination. We further found that macrophages transfer cytoplasm to tumor cells upon cell contact in vitro. Thus, we present a model in which macrophage/tumor cell contact allows for the transfer of cytoplasmic molecules from macrophages to tumor cells corresponding to increased tumor cell motility and dissemination. PMID- 29207259 TI - A Chemical-Genetic Approach Reveals the Distinct Roles of GSK3alpha and GSK3beta in Regulating Embryonic Stem Cell Fate. AB - Glycogen synthase kinase 3 (GSK3) plays a central role in diverse cellular processes. GSK3 has two mammalian isozymes, GSK3alpha and GSK3beta, whose functions remain ill-defined because of a lack of inhibitors that can distinguish between the two highly homologous isozymes. Here, we show that GSK3alpha and GSK3beta can be selectively inhibited in mouse embryonic stem cells (ESCs) using a chemical-genetic approach. Selective inhibition of GSK3beta is sufficient to maintain mouse ESC self-renewal, whereas GSK3alpha inhibition promotes mouse ESC differentiation toward neural lineages. Genome-wide transcriptional analysis reveals that GSK3alpha and GSK3beta have distinct sets of downstream targets. Furthermore, selective inhibition of individual GSK3 isozymes yields distinct phenotypes from gene deletion, highlighting the power of the chemical-genetic approach in dissecting kinase catalytic functions from the protein's scaffolding functions. Our study opens new avenues for defining GSK3 isozyme-specific functions in various cellular processes. PMID- 29207261 TI - PARPs. AB - Leung introduces the various roles of PARPs and the regulation of ADP ribosylation of protein substrates. PMID- 29207262 TI - Transcranial electrical stimulation. AB - Transcranial electrical stimulation (tES) is a neuromodulatory technique in which low voltage constant or alternating currents are applied to the human brain via scalp electrodes. The basic idea of tES is that the application of weak currents can interact with neural processing, modify plasticity and entrain brain networks, and that this in turn can modify behaviour. The technique is now widely employed in basic and translational research, and increasingly is also used privately in sport, the military and recreation. The proposed capacity to augment recovery of brain function, by promoting learning and facilitating plasticity, has motivated a burgeoning number of clinical trials in a wide range of disorders of the nervous system. PMID- 29207260 TI - A Balance of Yki/Sd Activator and E2F1/Sd Repressor Complexes Controls Cell Survival and Affects Organ Size. AB - The Hippo/Yki and RB/E2F pathways both regulate tissue growth by affecting cell proliferation and survival, but interactions between these parallel control systems are poorly defined. In this study, we demonstrate that interaction between Drosophila E2F1 and Sd disrupts Yki/Sd complex formation and thereby suppresses Yki target gene expression. RBF modifies these effects by reducing E2F1/Sd interaction. This regulation has significant effects on apoptosis, organ size, and progenitor cell proliferation. Using a combination of DamID-seq and RNA seq, we identified a set of Yki targets that play a diversity of roles during development and are suppressed by E2F1. Further, we found that human E2F1 competes with YAP for TEAD1 binding, affecting YAP activity, indicating that this mode of cross-regulation is conserved. In sum, our study uncovers a previously unknown mechanism in which RBF and E2F1 modify Hippo signaling responses to modulate apoptosis, organ growth, and homeostasis. PMID- 29207263 TI - Ocean sunfish as indicators for the 'rise of slime'. AB - Overfishing and ocean warming are drastically altering the community composition and size structure of marine ecosystems, eliminating large bodied species [1]. Against a backdrop of such environmental change, the heaviest of all bony fish, the ocean sunfish (Mola mola), seems an improbable survivor. Indeed this indolent giant is killed globally as bycatch, and is listed as 'Vulnerable'[2]. We undertook the most extensive aerial surveys of sunfish ever conducted and found surprisingly high abundances off the Atlantic and Mediterranean coasts of Western Europe. With up to 475 individuals per 100 km2, these figures are one order of magnitude higher than abundance estimates for other areas [3-5]. Using bioenergetic modelling, we estimate that each sunfish requires 71 kg day-1 of jellyfish, a biomass intake more than an order of magnitude greater than predicted for a similarly sized teleost. Scaled up to the population level, this equates to a remarkable 20,774 tonnes day-1 of predated jellyfish across our study area in summer. Sunfish abundance may be facilitated by overfishing and ocean warming, which together cause reduced predation of sunfish by sharks and elevated jellyfish biomass. Our combined survey and bioenergetic data provide the first-ever estimate of spatialized ocean sunfish daily food requirements, and stress the importance of this species as a global indicator for the 'rise of slime'. This hypothesis posits that, in an overfished world ocean exposed to global warming, gelatinous zooplankton should flourish, to the detriment of other mesotrophic species such as small pelagic fish, causing irreversible trophic cascades as well as a series of other environmental and economic issues. PMID- 29207264 TI - Non-cortical magnitude coding of space and time by pigeons. AB - Considerable research in cognitive science, neuroscience, and developmental science has revealed that the temporal, spatial, and numerical features of a stimulus can interact with one another [1,2], as when larger stimuli are perceived as lasting longer than smaller stimuli. These findings have inspired the prominent hypothesis that time, space, and number are processed by a 'common magnitude system', which represents these dimensions via the same unit of magnitude [3,4]. According to current theorizing, the parietal cortex mediates this system [4]. To test the species generality and neuroanatomical foundations of this hypothesis, we asked whether space-time interactions can be observed in birds. Unlike mammals, birds lack a cortex [5,6]; rather, they possess a neuron dense pallium that is organized in clusters, in contrast to the laminar structure of the mammalian cortex [7]. Despite these striking neuroanatomical disparities, we observed reliable space-time interactions in pigeons. Our findings suggest that common magnitude systems are more widespread among animals than previously believed and need not be cortically dependent in all species. PMID- 29207265 TI - Reduced social-information provision by immigrants and use by residents following dispersal. AB - Greater access to social information is a proposed benefit of group living [1]. However, individuals vary in the quantity and quality of information they provide [2], and prior knowledge about signaller reliability is likely important when receivers decide how to respond [3]. While dispersal causes regular changes in group membership [4], no experimental work has investigated social-information provision and use in this context. We studied sentinel behaviour following immigration in a habituated population of wild dwarf mongooses (Helogale parvula) [5]; sentinels (raised guards) use various vocalisations to provide social information [5,6]. Recent immigrants acted as sentinels rarely and significantly less often than residents, limiting their role as social-information providers. Even when recent immigrants acted as social-information providers, foragers responded to them less than they did to residents. Several months after arrival, immigrants had increased sentinel contributions, and foragers no longer responded differently to sentinel activity by former immigrants and residents. Our results raise questions about the assumed social-information benefits associated with increased group size. PMID- 29207266 TI - Animal Communication: Origins of Sequential Structure in Birdsong. AB - Culturally transmitted behaviors have an innate foundation, but the detailed sequential structure of such complex, acquired behaviors is often an outcome of historical accidents. New research has identified innate predispositions for structuring vocal sequences in culturally acquired birdsong. PMID- 29207267 TI - Evolution: New Gene-Rich Mitochondria Found across the Eukaryotic Tree. AB - Mitochondria are the energy-generating organelles that power eukaryotic cells. Originally descended from endosymbiotic bacteria, their genomes have shrunk during evolution. New analyses suggest that large, gene-rich mitochondrial genomes are more common than previously thought, with interesting implications for eukaryotic genome evolution. PMID- 29207268 TI - Cortical Processing: How Mice Predict the Visual Effects of Locomotion. AB - New research identifies a frontal area in the mouse neocortex that sends predictions of locomotion-coupled visual flow to visual cortex. The findings support predictive coding theories of cortical processing. PMID- 29207269 TI - Actin Networks: Adapting to Load through Geometry. AB - Cell migration frequently involves the protrusion of lamellipodial actin networks, the structure and regulation of which have been studied for decades. New work highlights how the geometry of these networks endows cells with the ability to adapt to environmental conditions and load. PMID- 29207270 TI - Plant Development: Keeping on the Straight and Narrow and Flat. AB - Plant leaves have functionally specialized upper and lower sides. Two recent studies show that these opposite identities are derived from a pre-pattern in the shoot meristem and the border between them is maintained by mobile small RNAs with morphogen-like properties. PMID- 29207271 TI - Microbial Ecology: Community Coalescence Stirs Things Up. AB - When methane-producing microbial communities are mixed experimentally, the resulting community is dominated by the community with the greatest resource-use efficiency. These results suggest a degree of community cohesion, or the maintenance of that initial community in the mix. PMID- 29207272 TI - Evolution: Weevils Get Tough on Symbiotic Tyrosine. AB - Weevils, which represent one of the most diverse groups of terrestrial insects in nature, obtain a tough exoskeleton through the activity of an ancient bacterial symbiont with a tiny genome that serves as a factory for the production of tyrosine. PMID- 29207273 TI - Protein Targeting: ER Leads the Way to the Inner Nuclear Envelope. AB - Efficient targeting of newly synthesized membrane proteins from the endoplasmic reticulum to the inner nuclear membrane depends on nucleotide hydrolysis. A new study shows that this dependence reflects critical actions of the atlastin family of GTPases in maintaining the morphology of the endoplasmic reticulum network. PMID- 29207274 TI - Causes and Consequences of Microtubule Acetylation. AB - Among the different types of cytoskeletal components, microtubules arguably accumulate the greatest diversity of post-translational modifications (PTMs). Acetylation of lysine 40 (K40) of alpha-tubulin has received particular attention because it is the only tubulin PTM to be found in the lumen of microtubules: most other tubulin PTMs are found at the outer surface of the microtubule. As a consequence, the enzyme catalyzing K40 acetylation needs to penetrate the narrow microtubule lumen to find its substrate. Acetylated microtubules have been considered to be stable, long-lived microtubules; however, until recently, there was little information about whether the longevity of these microtubules is the cause or the consequence of acetylation. Current advances suggest that this PTM helps the microtubule lattice to cope with mechanical stress, thus facilitating microtubule self-repair. These observations now shed new light on the structural integrity of microtubules, as well as on the mechanisms and biological functions of tubulin acetylation. Here, we discuss recent insights into how acetylation is generated in the lumen of microtubules, and how this 'hidden' PTM can control the properties and functions of microtubules. PMID- 29207275 TI - Clinical features of otolith organ-specific vestibular dysfunction. AB - OBJECTIVE: To elucidate the clinical features and vestibular symptoms of patients with otolith organ dysfunction in the presence of normal function of the semicircular canals. METHODS: We reviewed the clinical records of 277 consecutive new patients with balance disorders who underwent testing of cervical and ocular vestibular evoked myogenic potentials (cVEMPs and oVEMPs) as well as caloric testing and video head impulse testing (vHIT). RESULTS: We identified 76 patients who showed normal caloric responses and normal vHIT findings in each SCC plane, but abnormal responses in cVEMP and/or oVEMP testing. Benign paroxysmal positional vertigo (BPPV) was the most common diagnosis. 37% of patients could not be categorized into any of the established clinical entities that could cause a balance disorder and did not show sensorineural hearing loss. The most common clinical manifestation in the idiopathic cases was recurrent rotatory vertigo with a duration of 1-12 h. CONCLUSIONS: The most common diagnosis of otolith organ-specific vestibular dysfunction was BPPV. The most common clinical manifestation in the idiopathic cases was recurrent rotatory vertigo. SIGNIFICANCE: Specific dysfunction of the otolith organs occurs in association with some of the undiagnosed patients with recurrent rotatory vertigo. PMID- 29207277 TI - Laser-captured microglia in the Alzheimer's and Parkinson's brain reveal unique regional expression profiles and suggest a potential role for hepatitis B in the Alzheimer's brain. AB - Expression array data from dozens of laboratories, including our own, show significant changes in expression of many genes in Alzheimer's disease (AD) patients compared with normal controls. These data typically rely on brain homogenates, and information about transcripts specific to microglia and other central nervous system (CNS) cell types, which far outnumber microglia-specific transcripts, is lost. We therefore used single-cell laser capture methods to assess the full range of microglia-specific expression changes that occur in different brain regions (substantia nigra and hippocampus CA1) and disease states (AD, Parkinson's disease, and normal controls). Two novel pathways, neuronal repair and viral processing were identified. Based on KEGG analysis (Kyoto Encyclopedia of Genes and Genomes, a collection of biological pathways), one of the most significant viruses was hepatitis B virus (HBV) (false discovery rate < 0.00000001). Immunohistochemical analysis using HBV-core antibody in HBV-positive control, amnestic mild cognitive impairment, and HBV-positive AD cases show increased HBV immunoreactivity as disease pathology increases. These results are the first, to our knowledge, to show regional differences in human microglia. In addition, these data reveal new functions for microglia and suggest a novel risk factor for AD. PMID- 29207278 TI - Collision induced unfolding of isolated proteins in the gas phase: past, present, and future. AB - Rapidly characterizing the three-dimensional structures of proteins and the multimeric machines they form remains one of the great challenges facing modern biological and medical sciences. Ion mobility-mass spectrometry based techniques are playing an expanding role in characterizing these functional complexes, especially in drug discovery and development workflows. Despite this expansion, ion mobility-mass spectrometry faces many challenges, especially in the context of detecting small differences in protein tertiary structure that bear functional consequences. Collision induced unfolding is an ion mobility-mass spectrometry method that enables the rapid differentiation of subtly-different protein isoforms based on their unfolding patterns and stabilities. In this review, we summarize the modern implementation of such gas-phase unfolding experiments and provide an overview of recent developments in both methods and applications. PMID- 29207276 TI - Environmental enrichment improves hippocampal function in aged rats by enhancing learning and memory, LTP, and mGluR5-Homer1c activity. AB - Previous studies from our laboratory have shown that environmental enrichment (EE) in young rats results in improved learning ability and enhanced metabotropic glutamate receptor-dependent long-term potentiation (mGluR-dependent LTP) resulting from sustained activation of p70S6 kinase. Here, we investigated whether 1-month EE is sufficient to improve hippocampus-dependent learning and memory and enhance hippocampal LTP in 23-24 month-old Fischer 344 male rats. Aged rats were housed in environmentally enriched, socially enriched, or standard housing conditions. We find that aged rats exposed to 1-month of EE demonstrate enhanced learning and memory relative to standard housed controls when tested in the Morris water maze and novel object recognition behavioral tasks. Furthermore, we find that environmentally enriched rats perform significantly better than socially enriched or standard housed rats in the radial-arm water maze and display enhanced mGluR5-dependent hippocampal LTP. Enhanced hippocampal function results from activity-dependent increases in the levels of mGluR5, Homer1c, and phospho-p70S6 kinase. These findings demonstrate that a short exposure of EE to aged rats can have significant effects on hippocampal function. PMID- 29207279 TI - Biofabrication of morphology improved cadmium sulfide nanoparticles using Shewanella oneidensis bacterial cells and ionic liquid: For toxicity against brain cancer cell lines. AB - The present work determines the anticancer activity of bio-mediated synthesized cadmium sulfide nanoparticles using the ionic liquid and bacterial cells (Shewanella oneidensis). Bacterial cells have been exposed to be important resources that hold huge potential as ecofriendly, cost-effective, evading toxic of dangerous chemicals and the alternative of conventional physiochemical synthesis. The Shewanella oneidensis is an important kind of metal reducing bacterium, known as its special anaerobic respiratory and sulfate reducing capacity. The crystalline nature, phase purity and surface morphology of biosynthesized cadmium sulfide nanoparticles were analyzed by Fourier transform infrared spectroscopy, X-ray diffraction, Field emission scanning electron microscopy, Energy dispersive spectroscopy and Transmission electron microscopy. The use of imidazolium based ionic liquids as soft templating agent for controlling self-assembly and crystal growth direction of metal sulfide nanoparticles has also advanced as an important method. The microscopic techniques showed that the nanoparticles are designed on the nano form and have an excellent spherical morphology, due to the self-assembled mechanism of ionic liquid assistance. The antitumor efficiency of the cadmium sulfide nanoparticles was investigated against brain cancer cell lines using rat glioma cell lines. The effectively improved nano-crystalline and morphological structure of CdS nanoparticles in the presence of IL exhibit excellent cytotoxicity and dispersion ability on the cell shape is completely spread out showing a nice toxic environment against cancer cells. The cytotoxicity effect of cadmium sulfide nanoparticles was discussed with a diagrammatic representation. PMID- 29207280 TI - Hybrid capture as a tool for cervical lesions screening in HIV-infected women: insights from a Brazilian cohort. AB - INTRODUCTION: Cervical cancer remains an important burden for HIV-infected women in the era of combination antiretroviral therapy. Recommendations for cervical screening in these women diverge and may include high-risk HPV (HRHPV) testing. We aimed to evaluate the clinical usefulness of a single HRHPV testing for cervical screening of HIV-infected women. METHODS: 723 HIV-infected women from a Brazilian prospective cohort were included between 1996 and 2012. Inclusion criteria were: normal cervical cytology at baseline and having a HRHPV-test at baseline. We calculated incidence rates of any squamous intraepithelial lesion (SIL) and high grade SIL+ (HSIL+) and negative predictive values (NPV) within 12 and 36 months. Hazard Ratios were obtained using Cox proportional hazards regression models. RESULTS: Incidence rate for both outcomes was low (9.9 cases per 100 PY [95% CI 8.8-11.0] for any SIL and 1.3 cases per 100 PY [95% IC 0.9 1.8] for HSIL+). Women with a HRHPV positive status at baseline had 1.7-fold (95% CI 1.3-2.2) and 3.2-fold (95% CI 1.5-7.1) increased risk of presenting any SIL and HSIL+, respectively, during follow-up. Negative-HRHPV test presented high NPV for both periods and outcomes (any SIL: 92.4% [95% CI 89.7-94.6] for 12 months and 80.9% [95% CI 77.2-84.3] for 36 months; and HSIL+: 99.8% [95% CI 98.9-100.0] for 12 months and 99.0 [95% CI 97.6-99.7] for 36 months). CONCLUSIONS: Incidence of any and high grade cytological abnormality was significantly higher among HIV infected women with positive-HRHPV test. A single negative-HRHPV test helped reassure follow-up free of cytological abnormalities through three years of follow-up in HIV-infected women with negative cytology. PMID- 29207281 TI - Dark-chilling and subsequent photo-activation modulate expression and induce reversible association of chloroplast lipoxygenase with thylakoid membrane in runner bean (Phaseolus coccineus L.). AB - Lipoxygenases (LOXs) are non-haem iron-containing dioxygenases that catalyse oxygenation of polyunsaturated fatty acids. This reaction is the first step in biosynthesis of oxylipins, which play important and diverse roles in stress response. In this study, we identified four LOX genes (PcLOXA, B, C, D) in chilling-sensitive runner bean (Phaseolus coccineus L.) plant and analyzed their expression patterns during long term dark-chilling (4 degrees C) stress and during day/night (21oC/4 degrees C) temperature fluctuations. Three of the four identified LOX genes, namely PcLOXA, PcLOXB and PcLOXD, were induced by wounding stress, while only the PcLOXA was induced by dark-chilling of both detached (wounded) leaves and whole plants. We identified PcLOXA as a chloroplast-targeted LOX protein and investigated its expression during chilling stress in terms of abundance, localization inside chloroplasts and interactions with the thylakoid membranes. The analysis by immunogold electron microscopy has shown that more than 60% of detectable PcLOXA protein was associated with thylakoids, and dark chilling of leaves resulted in increased amounts of this protein detected within grana margins of thylakoids. This effect was reversible under subsequent photo activation of chilled leaves. PcLOXA binding to thylakoids is not mediated by the posttranslational modification but rather is based on direct interactions of the protein with membrane lipids; the binding strength increases under dark-chilling conditions. PMID- 29207282 TI - Responses of riverbed sediment bacteria to heavy metals: Integrated evaluation based on bacterial density, activity and community structure under well controlled sequencing batch incubation conditions. AB - Better understanding the responses of riverbed sediment bacteria to heavy metals is a key for considering using riverbed sediment bacterial community as an indicator of river water contamination by heavy metals. For this, integrated evaluation based on bacterial density, activity and community structure through incubation experiments under well-controlled conditions is necessary to obtain more closely relevant findings that are difficult to achieve through field studies. The findings may also include those that can serve as new evidence to clarify contrary findings reported in previous studies. In this study, sequencing batch incubation experiments were performed using sediment suspensions from three rivers with catchment of different land covers and uses. The effects of four metals (Pb, Cr, Cd and Cu) were investigated by spiking them separately under three different concentration levels. Glucose was added once every day as the carbon source throughout the whole incubation lasted for 30 days. The changing trends of the density of general and heterotrophic bacteria showed clearly that the responses of sediment bacteria to Cu were obviously stronger, followed by that to Cd; whereas, the responses to Pb and Cr were not apparent. For incubation with Cu, a short-term inhibition effect appeared in the initial 3 days and was then followed by a long-term promotion effect reflected by obvious increases of bacterial density against control. In regard of bacterial activity evaluated based on the first-order consumption rate for glucose, a trend of decreases was revealed. The results of PCR-DGGE and sequence analysis of extracted 16S rDNA further suggested there were bacterial species that had strong tolerance against the metal and could grow readily to become new dominating ones. The existence of such bacterial species was inferred as the reason leading to the observed increases of bacterial density during incubation with the metal. PMID- 29207283 TI - Division of labor as an emergent phenomenon of social coordination: The example of playing doubles-pong. AB - In many daily situations, our behavior is coordinated with that of others. This study investigated this coordination in a doubles-pong task. In this task, two participants each controlled a paddle that could move laterally near the bottom of a shared computer screen. With their paddles, the players needed to block balls that moved down under an angle. In doing so, they needed to make sure that their paddles did not collide. A successful interception led to the ball bouncing back upwards. Importantly, all communication other than through vision of the shared screen was excluded. In the experiment, the initial position of the paddle of the right player was varied across trials. This allowed testing hypotheses regarding the use of a tacitly understood boundary to divide interception space. This boundary could be halfway the screen, or in the middle between the initial positions of the two paddles. These two hypotheses did not hold. As an alternative to planned division of labor, the behavioral patterns might emerge from continuous visual couplings of paddles and ball. This was tested with an action-based decision model that considered the rates of change of each player's angle between the interception axis and the line connecting the ball and inner edge of the paddle. The model accounted for the observed patterns of behavior to a very large extent. This led to the conclusion that decisions of who would take the ball emerged from ongoing social coordination. Implications for social coordination in general are discussed. PMID- 29207284 TI - Correspondence to the Editor Re: Artisanal and small-scale gold mining impacts in Madre de Dios, Peru: Management and mitigation strategies. PMID- 29207285 TI - Heat and health in Antwerp under climate change: Projected impacts and implications for prevention. AB - BACKGROUND: Excessive summer heat is a serious environmental health problem in several European cities. Heat-related mortality and morbidity is likely to increase under climate change scenarios without adequate prevention based on locally relevant evidence. METHODS: We modelled the urban climate of Antwerp for the summer season during the period 1986-2015, and projected summer daily temperatures for two periods, one in the near (2026-2045) and one in the far future (2081-2100), under the Representative Concentration Pathway (RCP) 8.5. We then analysed the relationship between temperature and mortality, as well as with hospital admissions for the period 2009-2013, and estimated the projected mortality in the near future and far future periods under changing climate and population, assuming alternatively no acclimatization and acclimatization based on a constant threshold percentile temperature. RESULTS: During the sample period 2009-2013 we observed an increase in daily mortality from a maximum daily temperature of 26 degrees C, or the 89th percentile of the maximum daily temperature series. The annual average heat-related mortality in this period was 13.4 persons (95% CI: 3.8-23.4). No effect of heat was observed in the case of hospital admissions due to cardiorespiratory causes. Under a no acclimatization scenario, annual average heat-related mortality is multiplied by a factor of 1.7 in the near future (24.1deaths/year CI 95%: 6.78-41.94) and by a factor of 4.5 in the far future (60.38deaths/year CI 95%: 17.00-105.11). Under a heat acclimatization scenario, mortality does not increase significantly in the near or in the far future. CONCLUSION: These results highlight the importance of a long-term perspective in the public health prevention of heat exposure, particularly in the context of a changing climate, and the calibration of existing prevention activities in light of locally relevant evidence. PMID- 29207286 TI - Short-term effects of ultrafine particles on daily mortality by primary vehicle exhaust versus secondary origin in three Spanish cities. AB - BACKGROUND: Evidence on the short-term effects of ultrafine particles (with diameter<100nm, UFP) on health is still inconsistent. New particles in ambient urban air are the result of direct emissions and also the formation of secondary UFP from gaseous precursors. We segregated UFP into these two components and investigated their impact on daily mortality in three Spanish cities affected by different sources of air pollution. METHODS: We separated the UFP using a method based on the high correlation between black carbon (BC) and particle number concentration (N). The first component accounts for aerosol constituents emitted by vehicle exhaust (N1) and the second for the photochemical new particle formation enhancements (N2). We applied city-specific Poisson regression models, adjusting for long-term trends, temperature and population dynamics. RESULTS: Mean BC levels were higher in Barcelona and Tenerife (1.8 and 1.2MUg.m-3, respectively) than in Huelva (0.8MUg.m-3). While mean UFP concentrations were similar in the three cities, from which N1 was 40% in Barcelona, 46% in Santa Cruz de Tenerife, and 27% in Huelva. We observed an association with N1 and daily mortality in Barcelona, by increasing approximately 1.5% between lags 0 and 2, per an interquartile increase (IQR) of 3277cm-3, but not with N2. A similar pattern was found in Santa Cruz de Tenerife, although none of the associations were significant. Conversely, in the industrial city of Huelva mortality was associated with N2 at lag 0, by increasing 3.9% per an IQR of 12,032.cm-3. CONCLUSION: The pattern and origin of UFP determines their short-term effect on human health. BC is possibly the better parameter to evaluate the health effects of particulate vehicle exhaust emissions, although in areas influenced by domestic solid fuel combustion this should also be taken into account. PMID- 29207287 TI - Nursing students' experiences with refugees with mental health problems in Jordan: A qualitative content analysis. AB - OBJECTIVES: The aim of this study was to describe Jordanian nursing students' experience of caring for refugees with mental health problems. BACKGROUND: According to refugees' experiences of crisis, a well-educated staff is needed to provide high quality of care due to mental health problems. Therefore, health professionals play an important role in creating an environment that promotes human rights regardless of ethnic origin. SETTINGS, PARTICIPANTS, METHOD: The study comprised eight interviews and was analysed using content analysis, a qualitative method that involves an inductive approach, to increase our understanding of nursing students' perspective and thoughts regarding caring for refugees with mental health problems. RESULTS: The results formed one category: to be challenged by refugees' mental health issues and three subcategories: managing refugees' mental health needs, affected by refugees' mental health, and improve mental healthcare for refugees. CONCLUSION: Language problems could be managed by using interpreters to decrease cultural clashes to facilitate equal healthcare. In addition, well-educated (theoretical knowledge) and trained (practical knowledge) nursing students have potential to fulfil refugees' care needs regardless of ethnicity or background by using nursing interventions built on communication skills and cultural competences (theory, practice) to facilitate high quality of healthcare. PMID- 29207288 TI - Adaptation and pretesting of the College Persistence Questionnaire V3 (Short Form) for measuring intention to persist among Aboriginal Diploma of Nursing students. AB - BACKGROUND: Culturally appropriate health care delivery is essential to improve health outcomes for Aboriginal peoples. There is a shortage of Aboriginal and Torres Strait Islander nurses partly due to disproportionately high non completion rates among tertiary sector students. The College Persistence Questionnaire V3 (Short Form) provides scales for gauging major predictors of retention. OBJECTIVE: To adapt an instrument for measuring intention to persist among Aboriginal Diploma of Nursing students. DESIGN: Instrument adaptation and pretesting. PARTICIPANTS: A convenience sample of Aboriginal Diploma of Nursing students (N=21) at a registered training organisation in Australia. METHODS: The instrument was mapped against the domain of interest and modified. Ten experts reviewed its content validity; its reading ease and educational grade reading level were assessed. RESULTS: The expert panel endorsed individual items as valid (item-level Content Validity Index 0.90-1.00) and scale-level validation was acceptable (average scale-level Content Validity Index=0.98). The minimally adapted instrument was 'fairly easy' to read and suitable for general adult audiences (Flesch Reading Ease score 71.3) and was below the United States 8th grade reading level (Flesch-Kincaid Grade Level 6.7). Students took <30min to complete the questionnaire. All understood its purpose, found instructions clear, and questions easy to answer. Most rated its length 'Just right'. CONCLUSION: The College Persistence Questionnaire - Registered Training Organisation Version appears suitable for assessing factors influencing retention/attrition among Aboriginal Diploma of Nursing students. Piloting and psychometric evaluation is recommended. PMID- 29207289 TI - Accuracy evaluation of a method to partition ground reaction force and center of pressure in cane-assisted gait using an instrumented cane with a triaxial force sensor. AB - Clarifying the biomechanics of cane-assisted gait in elderly individuals and patients with gait disorders is important for developing better therapeutic interventions in the fields of rehabilitation and orthopedics. However, if the foot and the cane in the ipsilateral hand are placed on the same force plate simultaneously, the force plate cannot separate the forces as it records the sum of the forces. To overcome this indeterminacy problem of the ground reaction force (GRF) and the center of pressure (COP) in cane-assisted gait analysis, a method to partition the GRF and COP using an instrumented cane with a force transducer has been proposed. However, the accuracy and precision of the estimated GRF and COP has not been evaluated previously. We therefore reestablished a framework to partition the foot and cane forces during walking using an instrumented cane with a triaxial force sensor and evaluated the accuracy and precision of the method using a force plate array. Cane-assisted gait of healthy adults and hemiplegic patients were measured. Mean accuracy and precision associated with the GRF and COP measurements were approximately 0.4+/ 1.4N and 0.2+/-2.7mm, respectively, indicating that the separations of the GRF and COP were sufficiently accurate for kinetic gait analysis. Although some methodological limitations certainly apply, this system will serve as a useful tool for improved therapeutic interventions. PMID- 29207290 TI - Physiological-phased kinetic characteristics of microalgae Chlorella vulgaris growth and lipid synthesis considering synergistic effects of light, carbon and nutrients. AB - To comprehensively understand kinetic characteristics of microalgae growth and lipid synthesis in different phases, a phase-feeding strategy was proposed to simultaneously regulate light, carbon and nutrients in adaption, growth and stationary phases of microalgae cultivation. Physiological-phased kinetic characteristics of microalgae Chlorella vulgaris growth and lipid synthesis under synergistic effects of light, carbon and nutrients were investigated, and supply demand relationships of electrons and energy between light and dark reactions of photosynthesis process were discussed. Finally, the optimized cultivation strategy for microalgae in various phases were obtained, under which the lipid productivity was significantly improved from 130.11 mg/L/d to 163.42 mg/L/d. The study provided some important guidance for the large-scale production of biofuels from microalgae. PMID- 29207291 TI - Transcriptome analysis of ovine granulosa cells reveals differences between small antral follicles collected during the follicular and luteal phases. AB - Ovarian follicular growth occurs in both the follicular and luteal phases of the estrous cycle but in very different endocrine contexts. In both phases, many small antral follicles with similar morphologic and histologic characteristics are present within the ovaries as a reserve for the terminal folliculogenesis. However, there are several gaps in our molecular knowledge of the gene expression profiles of small antral follicles in the follicular and luteal phases. The aim of the present study was to use RNA sequencing to compare and analyze the global transcriptional profile of ovine granulosa cells collected from small antral follicles (1-3 mm) either during the follicular or the luteal phase of the estrous cycle, with the hypothesis that they should be differential. We identified 663 genes whose mRNA was differentially expressed or accumulated in the granulosa cell layer of small antral follicles in the two phases. A comprehensive interpretation of these data was performed through integrative analyses (Gene Ontology, Ingenuity Pathway Analysis) and the exploitation of already available transcriptomic data on follicular growth and atresia. In particular, we observed that the contrasted endocrine context between follicular and luteal phases may have an impact on estradiol, follicle-stimulating hormone (FSH), and on the activin/inhibin signaling pathways. Furthermore, we reveal the possible initiation of early follicular atresia in small antral follicles during the follicular phase in interaction with the presence of immune cells. This study provides new insights into the gene expression profile in ovine granulosa cells, and we suggest that these molecular changes may have an implication at the time of follicle selection. PMID- 29207292 TI - Reproductive system development in male and female horse embryos and fetuses: Gonadal hyperplasia revisited. AB - In horses, pregnancy is characterized by high levels of maternal estrogens that are produced largely by the interstitial tissue inside the gonads of the offspring, associated with a physiological gonadal hyperplasia, that is uncommon in other species. However, a detailed structural-functional understanding of the early stages of gonadal development and hyperplasia has remained elusive in horse pregnancy because of the lack of substantial data. The goal of this study was to describe the genital organs' development in 19 early horse embryos and fetuses (days 20-140 of gestation) of both sexes by means of anatomy, histology, stereology, and immunohistochemistry, with a specific focus on gonadal hyperplasia and interstitial tissue development. Gonadal hyperplasia with similar amounts of interstitial cells was observed in both sexes, but only during the early stage of development (days 40-90). Surprisingly, a higher degree of hyperplasia, characterized by larger amounts of interstitial cell-rich areas, was seen in fetal ovaries from 90 days of gestation onwards. Another novel aspect was that parallel to the hyperplasia of the interstitial cells, a much more precocious and pronounced differentiation of germinal cells was seen in the ovary, characterized by an earlier peak and decrease of DAZL and OCT protein immune markers. In conclusion, a reduced degree of hyperplasia and interstitial tissue in the fetal testis after 90 days of gestation suggests the existence of a more efficient mechanism regarding the synthesis of estrogen precursors as a structural or physiological difference between both fetal sexes, which warrants further investigation. PMID- 29207293 TI - Inhibition of apoptosis by caspase inhibitor Z-VAD-FMK improves cryotolerance of in vitro derived bovine embryos. AB - The aim of this work was to evaluate whether the treatment with the pan-caspase inhibitor benzyloxycarbonyl-Val-Ala-Asp-fluoromethyl ketone (Z-VAD-FMK) during cryopreservation and post-warming in vitro culture improves cryotolerance of bovine in vitro produced (IVP) embryos. Abattoir derived bovine oocytes were in vitro matured, fertilized and cultured according to standard procedure. On Day 7, embryo yields were assessed and blastocysts randomly divided in 2 groups: vitrification and post-warming culture in the absence (n = 184) or presence (n = 156) of 20 MUM Z-VAD-FMK. Resistance to cryopreservation was evaluated post warming culture by assessing the survival rate and hatching rate. Differential staining combined with in situ terminal deoxynucleotidyl transferase mediated dUTP nick end labelling (TUNEL) technique was performed to evaluate total cells number, cell allocation into inner cell mass (ICM) and trophectoderm (TE) lineages, as well as the DNA fragmentation rate of vitrified blastocysts, while immunohystochemical staining was used to assess the level of cleaved-caspase 3. It was demonstrated that inhibition of caspase activity by Z-VAD-FMK increases embryo cryotolerance, as indicated by higher survival (76.1 vs 51.1%; P < 0.01) and hatching rates (26.5 vs 17.6%; P < 0.05) after 48 h of post-warming culture. Furthermore, Z-VAD-FMK decreased both the average number (4.7 +/- 0.3 vs 7.7 +/- 0.5; P < 0.01) and the percentage (3.4 +/- 0.2 vs 6.1 +/- 0.5; P < 0.01) of DNA fragmented cells in blastocysts compared to the control. No differences were recorded in the average number of ICM, TE and total cells between groups. The level of cleaved-caspase-3, the downstream effector of apoptosis, and its relative percentage on total area of blastocysts was reduced (P < 0.01) in the presence of Z-VAD-FMK both at thawing (1.29 +/- 0.17 vs 3.24 +/- 0.46) and after 48 h post-warming culture (1.46 +/- 0.17 vs 5.06 +/- 0.41). In conclusion, the addition of 20 MUM Z-VAD-FMK during vitrification/warming and post-warming culture partially inhibits cryopreservation-induced apoptosis by reducing the level of active caspase 3, suggesting a potential use as an additive to ameliorate the efficiency of embryo cryopreservation in cattle, critical for a further diffusion of IVEP technology in the field. Further studies are though needed to evaluate the effect of Z-VAD-FMK on post-transfer embryo development before considering a commercial application. PMID- 29207294 TI - Placental structure and function in different breeds in horses. AB - Ponies and sometimes draft horses are often used as experimental models for horses although size and metabolic parameters are known to vary between horse breeds. So far, there is little information about differences of placental structure and no information about differences of placental function between breeds. The aim of this study was to investigate differences in placental size, structure and function at birth in relation to foal size and weight in ponies, Saddlebred and draft horses. Pony, Saddlebred and draft horse pregnancies were obtained by artificial insemination over 2 successive breeding seasons. Foals and total fetal membranes (TFM) were weighed and placentas measured for surface area at term. Placentas were sampled above the umbilical cord insertion. Surface density and volume fraction of the different cellular components of the placenta were measured on histological sections using stereology. The expression of genes involved in growth and development, nutrient transfer and vascularization was compared between groups. Foals and TFM were lighter at birth in ponies than Saddlebred horses, and both were lighter compared to draft horses. The surface density and volume fraction of microcotyledonary vessels was increased in pony compared to Saddlebred placentas. The relative expression of genes involved in growth and development was different between breeds and increased with maternal, fetal and placental weight. Primiparous dams produced lighter foals and smaller placentas, associated with a decreased volume fraction of microcotyledonary vessels and genes involved in growth and development and vascularization. Foal sex had little effect on placental structure and function as the expression of only one gene differed according to sex, with EGFR expression being decreased in placentas of females compared to males. In conclusion, foal and placental weight, as well as placental expression of genes involved in growth and development were correlated with maternal size. Placental structure also differed between breeds, with a stronger difference between ponies and both breeds of horses. PMID- 29207295 TI - Effects of dietary omega-3 and -6 supplementations on phospholipid fatty acid composition in mice uterus during window of pre-implantation. AB - Since fatty acid composition of uterus phospholipids is likely to influence embryo implantation, this study was conducted to investigate the effects of dietary omega-3 and -6 fatty acids on implantation rate as well as uterine phospholipid fatty acids composition during mice pre-implantation period. Sixty female mice were randomly distributed into:1) control (standard pellet), 2) omega 3 (standard pellet + 10% w/w of omega-3 fatty acids) and 3) omega-6 (standard pellet + 10% w/w of omega-6 fatty acids). Uterine phospholipid fatty acid composition during the pre-implantation window (days 1-5 of pregnancy) was analyzed using gas-chromatography. The implantation rate on the fifth day of pregnancy was also determined. Our results showed that on days 1, 2 and 3 of pregnancy, the levels of arachidonic acid (ARA) as well as total omega-6 fatty acids were significantly higher and the levels of linolenic acid and total omega 3 fatty acids were statistically lower in the omega-6 group compared to the omega 3 group (p < 0.05). On the fourth day of pregnancy, only the ARA, total omega-6 fatty acids, and poly-unsaturated fatty acids levels were significantly different between the two dietary supplemented groups (p < 0.05). There were positive correlations between the levels of omega-6 fatty acids, especially ARA, with the implantation rate. The present study showed that diets rich in omega-3 and -6 fatty acids could differently modify uterine phospholipid fatty acid composition and uterine levels of phospholipid ARA, and that the total omega-6 fatty acids had a positive association with the implantation rate. PMID- 29207296 TI - Microplastics in freshwater river sediments in Shanghai, China: A case study of risk assessment in mega-cities. AB - Microplastics, which are plastic debris with a particle diameter of less than 5 mm, have attracted growing attention in recent years. Its widespread distributions in a variety of habitats have urged scientists to understand deeper regarding their potential impact on the marine living resources. Most studies on microplastics hitherto are focused on the marine environment, and research on risk assessment methodology is still limited. To understand the distribution of microplastics in urban rivers, this study investigated river sediments in Shanghai, the largest urban area in China. Seven sites were sampled to ensure maximum coverage of the city's central districts, and a tidal flat was also included to compare with river samples. Density separation, microscopic inspection and MU-FT-IR analysis were conducted to analyze the characteristics of microplastics and the type of polymers. The average abundance of microplastics in six river sediment samples was 802 items per kilogram of dry weight. The abundance in rivers was one to two orders of magnitude higher than in the tidal flat. White microplastic spheres were most commonly distributed in river sediments. Seven types of microplastics were identified, of which polypropylene was the most prevailing polymers presented. The study then conducted risk assessment of microplastics in sediments based on the observed results, and proposed a framework of environmental risk assessment. After reviewing waste disposal related legislation and regulations in China, this study conclude that in situ data and legitimate estimations should be incorporated as part of the practice when developing environmental policies aiming to tackle microplastic pollution. PMID- 29207297 TI - Differences between a deciduous and a conifer tree species in gaseous and particulate emissions from biomass burning. AB - In the Mediterranean ecosystem, wildfires are very frequent and the predicted future with a probable increase of fires could drastically modify the vegetation scenarios. Vegetation fires are an important source of gases and primary emissions of fine carbonaceous particles in the atmosphere. In this paper, we present gaseous and particulate emissions data from the combustion of different plant tissues (needles/leaves, branches and needle/leaf litter), obtained from one conifer (Pinus halepensis) and one deciduous broadleaf tree (Quercus pubescens). Both species are commonly found throughout the Mediterranean area, often subject to wildfires. Experiments were carried out in a combustion chamber continuously sampling emissions throughout the different phases of a fire (pre ignition, flaming and smoldering). We identified and quantified 83 volatile organic compounds including important carcinogens that can affect human health. CO and CO2 were the main gaseous species emitted, benzene and toluene were the dominant aromatic hydrocarbons, methyl-vinyl-ketone and methyl-ethyl-ketone were the most abundant measured oxygenated volatile organic compounds. CO2 and methane emissions peaked during the flaming phase, while the peak of CO emissions occurred during the smoldering phase. Overall, needle/leaf combustion released a greater amount of volatile organic compounds into the atmosphere than the combustion of branches and litter. There were few differences between emissions from the combustion of the two tree species, except for some compounds. The combustion of P. halepensis released a great amount of monoterpenes as alpha pinene, beta-pinene, p-cymene, sabinene, 3-carene, terpinolene and camphene that are not emitted from the combustion of Q. pubescens. The combustion of branches showed the longest duration of flaming and peak of temperature. Data presented appear crucial for modeling with the intent of understanding the loss of C during different phases of fire and how different typologies of biomass can affect wildfires and their speciation emissions profile. PMID- 29207298 TI - Effects of biochar on hydraulic conductivity of compacted kaolin clay. AB - Compacted clay is widely used as capillary barriers in landfill final cover system. Recently, biochar amended clay (BAC) has been proposed as a sustainable alternative cover material. However, the effects of biochar on saturated hydraulic conductivity (ksat) of clay with high degree of compaction is not yet understood. The present study aims to investigate the effects of biochar on ksat of compacted kaolin clay. Soil specimens were prepared by amending kaolin clay with biochar derived from peanut-shell at 0, 5 and 20% (w/w). The ksat of soil specimens was measured using a flexible water permeameter. The effects of biochar on the microstructure of the compacted clay was also investigated using MIP. Adding 5% and 20% of biochar increased the ksat of compacted kaolin clay from 1.2 * 10-9 to 2.1 * 10-9 and 1.3 * 10-8 ms-1, respectively. The increase in ksat of clay was due to the shift in pore size distribution of compacted biochar-amended clay (BAC). MIP results revealed that adding 20% of biochar shifted the dominant pore diameter of clay from 0.01-0.1 MUm (meso- and macropores) to 0.1-4 MUm (macropores). Results reported in this communication revealed that biochar application increased the ksat of compacted clay, and the increment was positively correlated to the biochar percentage. PMID- 29207299 TI - A novel screening method to identify air pollution by genotoxic compounds. AB - Genotoxic compounds, as common contaminants of the air environment, are of interest in air pollution monitoring. There are several methods to determine the level of these contaminants in different localities, many of which may be difficult to access with the use of conventional active and passive samplers. In the present study, the needles Pinus mugo Turra and Picea abies were used to monitor sampling localities in Austria, Slovakia, and the Czech Republic. Needles were extracted and chemical analysis and the genotoxicity bioassay SOS chromotest were used to obtain complex information about the chemical mixture of pollutants present and their genotoxic effects. The SOS chromotest method was optimized by using a CPRG chromogenic substrate to reduce the false positive genotoxic effect of needle extracts. Pinus mugo Turra and Picea abies were identified as suitable passive sampling matrices for long-term air monitoring using the same plants sampled at the same time. The presented study brings an innovative method for the fast screening and identification of localities loaded by genotoxic active air contaminants. PMID- 29207300 TI - Evaluating the relationship between temporal changes in land use and resulting water quality. AB - Changes in land use have a direct impact on receiving water quality. Effective mitigation strategies require the accurate prediction of water quality in order to enhance community well-being and ecosystem health. The research study employed Bayesian Network modelling to investigate the validity of using cross-sectional and longitudinal data on water quality and land use for predicting water quality in a mixed use catchment and the role it plays in the generation of blue-green algae in the receiving marine environment. Bayesian Network modelling showed that cross-sectional and longitudinal data analyses generate contrasting information about the influence of different land uses on surface water pollution. The modelling outcomes highlighted the lack of reliability in cross-sectional data analysis, based on the indication of spurious relationships between water quality and land use. On the other hand, the longitudinal data analysis, which accounted for changes in water quality and land use over a ten-year period, informed how catchment water quality varies in response to temporal changes in land use. The longitudinal data analysis further revealed that the types of anthropogenic activities have a more significant influence on pollutant generation than the change in the area extent of different land uses over time. Therefore, the careful interpretation of the findings derived solely from cross-sectional data analysis is important in the design of long-term strategies for pollution mitigation. PMID- 29207301 TI - Percutaneous low-dose CT-guided lung biopsy with an augmented reality navigation system: validation of the technique on 496 suspected lesions. AB - PURPOSE: To validate a CT-navigation system during percutaneous lung biopsy (PLB). METHODS: Four hundred-ninety-six patients underwent low-dose CT-guided PLB. Lesion diameter (LD), procedural time (PT), histologic validity, lesion distance from pleural surface (DPS), needle distance travelled during procedure (DTP), complications and radiation exposure were recorded. RESULTS: Hysto patological diagnosis was obtained in 96.2% cases. Mean PT, DPS, DTP, LD were respectively 29.5min, 12.4mm, 17.9mm, 20.7mm. In cases of major complications (4.6%), higher values of DTP were measured. CONCLUSIONS: CT-navigation system allowed a good success in terms of diagnosis in small lesions and when a long DTP is required. PMID- 29207302 TI - Lactic acid fermentation of human excreta for agricultural application. AB - Studies show that source separated human excreta have a fertilizing potential with benefits to plant growth and crop yield similar or exceeding that of mineral fertilizers. The main challenges in fertilizing with excreta are pathogens, and an increased risk of eutrophication of water bodies in case of runoff. This review shows that lactic acid fermentation of excreta reduces the amount of pathogens, minimizes the nutrient loss and inhibits the production of malodorous compounds, thus increasing its agricultural value. Pathogens (e.g., Enterobacteriacea, Staphylococcus and Clostridium) can be reduced by 7 log CFUg-1 during 7-10 days of fermentation. However, more resistant pathogens (e.g. Ascaris) are not always efficiently removed. Direct application of lacto fermented faeces to agriculture may be constrained by incomplete decomposition, high concentrations of organic acids or insufficient hygienization. Post treatment by adding biochar, vermi-composting, or thermophilic composting stabilizes and sanitizes the material. Pot and field experiments on soil conditioners obtained via lactic acid fermentation and post treatment steps (composting or biochar addition) demonstrated increased crop yield and growth, as well as improved soil quality, in comparison to unfertilized controls. PMID- 29207303 TI - The fate of cyanuric acid in biological wastewater treatment system and its impact on biological nutrient removal. AB - Cyanuric acid (CA) is widely used in living and production. It is a kind of environmental priority pollutants which exists chronically in soil and water, but is difficult to be chemically hydrolyzed or oxidized. The behavior of CA at different levels of 0, 0.01, 0.10 and 1.00 mg L-1 in biological wastewater treatment process was investigated in this paper. Experimental results showed that CA (0.01 and 0.10 mg L-1) was removed in biological wastewater treatment process, which was mainly achieved by biodegradation of particular species (Acidovorax and Pseudomonas) in the anaerobic condition. However, 1.00 mg L-1 CA was reluctant to be degraded in biological wastewater treatment system. With the CA level increase from 0 to 1.00 mg L-1, total nitrogen removal efficiency decreased from 97.23 to 74.72%. The presence of CA promoted both the synthesis and decomposition metabolisms of poly-hydroxyalkanoates and glycogen, thereby providing the advantage for phosphorus removal. CA could inhibit nitrification process because of inhibition to nitrite oxidizing bacteria (NOB). Moreover, the microbial community of activated sludge was changed by the exposure of CA. Polyphosphate accumulating organisms, such as Bacteroidetes, Chloroflexi and Saccharibacteria increased, but the abundance of Nitrospirae was decreased. PMID- 29207304 TI - Evaluating statistical model performance in water quality prediction. AB - Exposure to contaminated water while swimming or boating or participating in other recreational activities can cause gastrointestinal and respiratory disease. It is not uncommon for water bodies to experience rapid fluctuations in water quality, and it is therefore vital to be able to predict them accurately and in time so as to minimise population's exposure to pathogenic organisms. E. coli is commonly used as an indicator to measure water quality in freshwater, and higher counts of E. coli are associated with increased risk to illness. In this case study, we compare the performance of a wide range of statistical models in prediction of water quality via E. coli levels for the weekly data collected over the summer months from 2006 to 2014 at the recreational site on the Oreti river in Wallacetown, New Zealand. The models include naive model, multiple linear regression, dynamic regression, regression tree, Markov chain, classification tree, random forests, multinomial logistic regression, discriminant analysis and Bayesian network. The results show that Bayesian network was superior to all the other models. Overall, it had a leave-one-out and k-fold cross validation error rate of 21%, while predicting the majority of instances of E. coli levels classified as unsafe by the Microbiological Water Quality Guidelines for Marine and Freshwater Recreational Areas 2003, New Zealand. Because Bayesian networks are also flexible in handling missing data and outliers and allow for continuous updating in real time, we have found them to be a promising tool, and in the future, plan to extend the analysis beyond the current case study site. PMID- 29207305 TI - Simultaneous quantitation of hydroxychloroquine and its metabolites in mouse blood and tissues using LC-ESI-MS/MS: An application for pharmacokinetic studies. AB - Hydroxychloroquine (HCQ) has been shown to disrupt autophagy and sensitize cancer cells to radiation and chemotherapeutic agents. However, the optimal delivery method, dose, and tumor concentrations required for these effects are not known. This is in part due to a lack of sensitive and reproducible analytical methods for HCQ quantitation in small animals. As such, we developed and validated a selective and sensitive liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method for simultaneous quantitation of hydroxychloroquine and its metabolites in mouse blood and tissues. The chromatographic separation and detection of analytes were achieved on a reversed phase Thermo Aquasil C18 (50*4.6mm, 3MU) column, with gradient elution using 0.2% formic acid and 0.1% formic acid in methanol as mobile phase at a flow rate of 0.5mL/min. Simple protein precipitation was utilized for extraction of analytes from the desired matrix. Analytes were separated and quantitated using MS/MS with an electrospray ionization source in positive multiple reaction monitoring (MRM) mode. The MS/MS response was linear over the concentration range from 1 to 2000ng/mL for all analytes with a correlation coefficient (R2) of 0.998 or better. The within- and between-day precision (relative standard deviation, % RSD) and accuracy were within the acceptable limits per FDA guidelines. The validated method was successfully applied to a preclinical pharmacokinetic mouse study involving low volume blood and tissue samples for hydroxychloroquine and metabolites. PMID- 29207306 TI - Membrane bending by actin polymerization. AB - Actin polymerization provides driving force to aid several types of processes that involve pulling the plasma membrane into the cell, including phagocytosis, cellular entry of large viruses, and endocytosis. In endocytosis, actin polymerization is especially important under conditions of high membrane tension or high turgor pressure. Recent modeling efforts have shown how actin polymerization can give rise to a distribution of forces around the endocytic site, and explored how these forces affect the shape dynamics; experiments have revealed the structure of the endocytic machinery in increasing detail, and demonstrated key feedback interactions between actin assembly and membrane curvature. Here we provide a perspective on these findings and suggest avenues for future research. PMID- 29207307 TI - Systemic sclerosis: Clinical manifestations, anesthetic and orthopedic considerations in a patient. AB - INTRODUCTION: Systemic sclerosis is a rare and progressive multisystem autoimmune disorder that is characterized pathologically by vascular abnormalities, connective tissue sclerosis and atrophy of skin and various internal organs (e.g., alimentary tract, lungs, heart, kidney, CNS), and autoantibodies. With an unknown etiology, Scleroderma is a complex polygenetic disease. A recent Genome Wide Association Study (GWAS) confirmed a strong association with the Major Histocompatibility Complex (MHC) and autoimmunity. We provide a case scenario along with a review of the systems involved and challenges physicians can face in dealing with this rare disease. CASE PRESENTATION: Our patient, a known case of systemic sclerosis, was admitted with a history of right femur fracture following a fall. We highlight the medical, anesthetic and surgical challenges faced by our team in the management of this patient. We will explain the stages patient faced in treatment process till her death. We combined the case report with detailed literature review of this rare disease. DISCUSSION: Systemic sclerosis is a complex disease process with many different levels of system involvement. Patient needs to be reviewed thoroughly in preoperative period by multidisciplinary team and counseled in detail about the difficulties in procedure, risks and complications. CONCLUSION: Patient with scleroderma presents a challenge to the surgical team and anesthetist and a multidisciplinary approach should be followed with all of these patients to avoid catastrophic results. PMID- 29207308 TI - Road MAPs to engineer host microbiomes. AB - Microbiomes contribute directly or indirectly to host health and fitness. Thus far, investigations into these emergent traits, referred to here as microbiome associated phenotypes (MAPs), have been primarily qualitative and taxonomy-driven rather than quantitative and trait-based. We present the MAPs-first approach, a theoretical and experimental roadmap that involves quantitative profiling of MAPs across genetically variable hosts and subsequent identification of the underlying mechanisms. We outline strategies for developing 'modular microbiomes'-synthetic microbial consortia that are engineered in concert with the host genotype to confer different but mutually compatible MAPs to a single host or host population. By integrating host and microbial traits, these strategies will facilitate targeted engineering of microbiomes to the benefit of agriculture, human/animal health and biotechnology. PMID- 29207309 TI - Polypyridylruthenium(II) complexes exert in vitro and in vivo nematocidal activity and show significant inhibition of parasite acetylcholinesterases. AB - Over 4.5 billion people are at risk of infection with soil transmitted helminths and there are concerns about the development of resistance to the handful of frontline nematocides in endemic populations. We investigated the anti-nematode efficacy of a series of polypyridylruthenium(II) complexes and showed they were active against L3 and adult stages of Trichuris muris, the rodent homologue of the causative agent of human trichuriasis, T. trichiura. One of the compounds, Rubb12-mono, which was among the most potent in its ability to kill L3 (IC50 = 3.1 +/- 0.4 MUM) and adult (IC50 = 5.2 +/- 0.3 MUM) stage worms was assessed for efficacy in a mouse model of trichuriasis by administering 3 consecutive daily oral doses of the drug 3 weeks post infection with the murine whipworm Trichuris muris. Mice treated with Rubb12-mono showed an average 66% reduction (P = 0.015) in faecal egg count over two independent trials. The drugs partially exerted their activity through inhibition of acetylcholinesterases, as worms treated in vitro and in vivo showed significant decreases in the activity of this class of enzymes. Our data show that ruthenium complexes are effective against T. muris, a model gastro-intestinal nematode and soil-transmitted helminth. Further, knowledge of the target of ruthenium drugs can facilitate modification of current compounds to identify analogues which are even more effective and selective against Trichuris and other helminths of human and veterinary importance. PMID- 29207311 TI - Analysis of passenger-car crash injury severity in different work zone configurations. AB - Work zone safety remains a priority to the Federal Highway Administration, State Highway Departments, highway engineers, and the traveling public. Work zones create a hospitable environment for crashes; an issue that gained tremendous share of attention in recent years. Therefore, every effort should be sought out to reduce the injury severity of crashes in work zones. In this paper we attempt to investigate factors contributing to the injury severity of passenger-car crashes in different work zone configurations. Considering the discrete ordinal nature of injury severity categories, a Mixed Generalized Ordered Response Probit (MGORP) modeling framework was developed. The model estimation was undertaken by compiling a database consisting of 10 years of crashes that involved at least one passenger car, and occurred in a work zone. Revealing the underlying factors contributing to injury severity levels for different work zone configurations will allow for distinguishing mitigation methods for higher severity outcomes that best suit each of the depicted work zone layouts. This can be accomplished through the implementation of specific safety measures based on the specific configuration of a work zone as a potential crash location. Elasticity analysis suggests that partial control of access, roadways classified as rural, crashes during evening times, crashes during weekends, and curved roadways are key factors that increase the likelihood of severe outcomes. Also, the effects of several covariates were found to vary across the different work zone configurations. PMID- 29207312 TI - Investigating the spatial characteristics of the crossmodal interaction between nociception and vision using gaze direction. AB - The present study investigated the influence of nociceptive stimuli on visual stimuli processing according to the relative spatial congruence between the two stimuli of different sensory modalities. Participants performed temporal order judgments on pairs of visual stimuli, one presented near the hand on which nociceptive stimuli were occasionally applied, the other one either to its left or to its right. The visual hemifield in which the stimulated hand and the near visual stimulus appeared was manipulated by changing gaze direction. The stimulated hemibody and the stimulated visual hemifield were therefore either congruent or incongruent, in terms of anatomical locations. Despite the changes in anatomical congruence, judgments were always biased in favor of the visual stimuli presented near the stimulated hand. This indicates that nociceptive visual interaction may rely on a realignment of the respective initial anatomical representations of the somatic and retinotopic spaces toward an integrated, multimodal representation of external space. PMID- 29207310 TI - CXCL9, CXCL10, CXCL11/CXCR3 axis for immune activation - A target for novel cancer therapy. AB - Chemokines are proteins which induce chemotaxis, promote differentiation of immune cells, and cause tissue extravasation. Given these properties, their role in anti-tumor immune response in the cancer environment is of great interest. Although immunotherapy has shown clinical benefit for some cancer patients, other patients do not respond. One of the mechanisms of resistance to checkpoint inhibitors may be chemokine signaling. The CXCL9, -10, -11/CXCR3 axis regulates immune cell migration, differentiation, and activation, leading to tumor suppression (paracrine axis). However, there are some reports that show involvements of this axis in tumor growth and metastasis (autocrine axis). Thus, a better understanding of CXCL9, -10, -11/CXCR3 axis is necessary to develop effective cancer control. In this article, we summarize recent evidence regarding CXCL9, CXCL10, CXCL11/CXCR3 axis in the immune system and discuss their potential role in cancer treatment. PMID- 29207313 TI - Regulation of host-pathogen interactions via the post-transcriptional Csr/Rsm system. AB - A successful colonization of specific hosts requires a rapid and efficient adaptation of the virulence-relevant gene expression program by bacterial pathogens. An important element in this endeavor is the Csr/Rsm system. This multi-component, post-transcriptional control system forms a central hub within complex regulatory networks and coordinately adjusts virulence properties with metabolic and physiological attributes of the pathogen. A key function is elicited by the RNA-binding protein CsrA/RsmA. CsrA/RsmA interacts with numerous target mRNAs, many of which encode crucial virulence factors, and alters their translation, stability or elongation of transcription. Recent studies highlighted that important colonization factors, toxins, and bacterial secretion systems are under CsrA/RsmA control. CsrA/RsmA deficiency impairs host colonization and attenuates virulence, making this post-transcriptional regulator a suitable drug target. The CsrA/RsmA protein can be inactivated through sequestration by non coding RNAs, or via binding to specific highly abundant mRNAs and interacting proteins. The wide range of interaction partners and RNA targets, as well as the overarching, interlinked genetic control circuits illustrate the complexity of this regulatory system in the different pathogens. Future work addressing spatio temporal changes of Csr/Rsm-mediated control during the course of an infection will help us to understand how bacteria reprogram their expression profile to cope with continuous changes experienced in colonized niches. PMID- 29207314 TI - Enzyme evolution: innovation is easy, optimization is complicated. AB - Enzymes have been evolving to catalyze new chemical reactions for billions of years, and will continue to do so for billions more. Here, we review examples in which evolutionary biochemists have used big data and high-throughput experimental tools to shed new light on the enormous functional diversity of extant enzymes, and the evolutionary processes that gave rise to it. We discuss the role that gene loss has played in enzyme evolution, as well as the more familiar processes of gene duplication and divergence. We also review insightful studies that relate not only catalytic activity, but also a host of other biophysical and cellular parameters, to organismal fitness. Finally, we provide an updated perspective on protein engineering, based on our new-found appreciation that most enzymes are sloppy and mediocre. PMID- 29207315 TI - 8-oxoguanine DNA glycosylase (Ogg1) controls hepatic gluconeogenesis. AB - Mitochondrial DNA (mtDNA) resides in close proximity to metabolic reactions, and is maintained by the 8-oxoguanine DNA glycosylase (Ogg1) and other members of the base excision repair pathway. Here, we tested the hypothesis that changes in liver metabolism as under fasting/feeding conditions would be sensed by liver mtDNA, and that Ogg1 deficient mice might unravel a metabolic phenotype. Wild type (WT) and ogg1-/- mice were either fed ad libitum or subjected to fasting for 24h, and the corresponding effects on liver gene expression, DNA damage, as well as serum values were analyzed. Ogg1 deficient mice fed ad libitum exhibited hyperglycemia, elevated insulin levels and higher liver glycogen content as well as increased accumulation of 8oxoG in mtDNA compared to age- and gender matched WT mice. Interestingly, these phenotypes were absent in ogg1-/- mice during fasting. Gene expression and functional analyses suggest that the diabetogenic phenotype in the ogg1-/- mice is due to a failure to suppress gluconeogensis in the fed state. The ogg1-/- mice exhibited reduced mitochondrial electron transport chain (ETC) capacity and a combined low activity of the pyruvate dehydrogenase (PDH), alluding to inefficient channeling of glycolytic products into the citric acid cycle. Our data demonstrate a physiological role of base excision repair that goes beyond DNA maintenance, and implies that DNA repair is involved in regulating metabolism. PMID- 29207316 TI - Hafnium(IV) triflate as a potent catalyst for selective 1-O-deacetylation of peracetylated saccharides. AB - An efficient method for selective anomeric deacetylation of peracetylated mono-, di-, and trisaccharides has been developed by using 2 mol% Hf(OTf)4 as catalyst in acetonitrile. Employment of ultrasonic irradiation could significantly accelerate the reaction rate. Mechanistic study confirmed the hydrolysis nature of this reaction, and NMR experimental data suggested that multiple peracetylated saccharide molecules may ligate to Hf(IV) cation primarily via the anomeric acetate to promote its specific hydrolysis. PMID- 29207317 TI - Public attitudes towards psychiatrists in the metropolitan area of Hanoi, Vietnam. AB - OBJECTIVES: Mental health associated stigmatization remains problematic in low and middle-income countries, thus preventing patients from adequate access to psychiatric care. Public attitudes towards psychiatrists have not been examined in many countries, especially not in Vietnam where merely one psychiatrist per 300.000 population is available. The study aims to explore attitudes towards psychiatrists in the Hanoi municipality and to identify socio-demographical factors that influence these attitudes. METHODS: Between April and August 2013, a general population-based survey was carried out in the greater Hanoi area, Vietnam. The sample of 817 participants was stratified according to the latest Vietnamese census (2009) and micro-census (2013) with regards to socio demographic factors. Multivariate analyses were conducted to determine the influence of these factors on attitudes towards psychiatrists. RESULTS: Gender and religious beliefs significantly influenced public attitudes towards psychiatrists. Male participants reported significantly more negative perception towards psychiatrists compared to female respondents. Participants following a religion reported significantly more negative attitudes toward psychiatrists than those without self-reported religious attainment. CONCLUSIONS: Negative attitudes towards psychiatrists are associated with religious beliefs and gender affiliation in the greater Hanoi area. A strategy that involves religious institutions in raising awareness about mental health issues while considering public's socio-cultural attitudes may pave the way for greater potentialities of adequate psychiatric care, destigmatize the mental health system, and care provider. PMID- 29207318 TI - HER2 copy number of circulating tumour DNA functions as a biomarker to predict and monitor trastuzumab efficacy in advanced gastric cancer. AB - BACKGROUND: HER2 status is significant to trastuzumab therapy; however, it is difficult to determine HER2 status accurately with few pieces of biopsies from advanced gastric cancer (AGC) due to highly heterogeneity and invasive behaviour, which will be investigated in this study. METHODS: Fifty-six patients with AGC were included in this study. Primary tumour tissues and matched plasmas before medication from 36 patients were retrospectively collected, and the other 20 patients with primary tumour tissues and paired plasmas were prospectively collected. HER2 expression and amplification in 56 tumour tissues were determined by immunohistochemistry (IHC) and dual in situ hybridisation (DISH), and HER2 copy number in 135 circulating tumour DNAs (ctDNAs) was judged by next-generation sequencing. RESULTS: For tumour tissues, HER2 amplification by DISH was most commonly found in patients with HER2 score 3+by IHC. For plasmas, HER2 amplification defined as HER2 copy number >2.22 was identified in 26 of 56 patients. There was a high concordance of HER2 amplification between ctDNA and tumour tissues, suggesting that ctDNA could function as an alternative to screen HER2-targeted population. Moreover, the changes of HER2 copy number in ctDNA could efficiently monitor trastuzumab efficacy, the power of which was superior to commonly used markers carcinoembryonic antigen (CEA) and CA199, suggesting its potential role in clinical practice. CONCLUSION: ctDNA for HER2 analysis was strongly recommended to serve as a surrogate to screen trastuzumab-suitable population and monitor trastuzumab efficacy. PMID- 29207319 TI - Phytochemical variation among the traditional Chinese medicine Mu Dan Pi from Paeonia suffruticosa (tree peony). AB - Mu Dan Pi is a traditional Chinese medicine used to treat inflammation, cancer, allergies, diabetes, angiocardiopathy, and neurodegenerative diseases. In this study, the metabolome variation within Mu Dan Pi collected from 372 tree peony cultivars was systematically investigated. In total, 42 metabolites were identified, comprising of 14 monoterpene glucosides, 11 tannins, 8 paeonols, 6 flavonoids, and 3 phenols. All cultivars revealed similar metabolite profiles, however, they were further classified into seven groups on the basis of their varying metabolite contents by hierarchical cluster analysis. Traditional cultivars for Mu Dan Pi were found to have very low metabolite contents, falling into clusters I and II. Cultivars with the highest amounts of metabolites were grouped in clusters VI and VII. Five potential cultivars, namely, 'Bai Yuan Qi Guan', 'Cao Zhou Hong', 'Da Zong Zi', 'Sheng Dan Lu', and 'Cheng Xin', with high contents of monoterpene glycosides, tannins, and paeonols, were further screened. Interestingly, the majority of investigated cultivars had relatively higher metabolite contents compared to the traditional medicinal tree peony cultivars. PMID- 29207320 TI - PTP1B inhibitory and cytotoxic C-24 epimers of Delta28-24-hydroxy stigmastane type steroids from the brown alga Dictyopteris undulata Holmes. AB - Ten stigmastane-type steroids bearing unusual Delta28-24-hydroxy side chains, dictyopterisins A-J, including three pairs of C-24 epimers, dictyopterisins B/C, F/G, and I/J, were isolated from the brown alga Dictyopteris undulata Holmes, together with two previously reported analogues, (24S)- and (24R)-saringosterol. Their structures were elucidated on the basis of extensive spectroscopic analysis, with their absolute configurations at the stereogenic center C-24 of the side chain being assigned by a direct comparison of 1H NMR data with those of related known compounds. The absolute configurations of the steroidal nuclei of dictyopterisins A, B, and H were determined using the modified Mosher's method. The mixture of dictyopterisins D and E and dictyopterisin I exhibited promising PTP1B inhibitory activities with IC50 values of 1.88 and 3.47 MUM, respectively, comparable to the positive control oleanolic acid (IC50, 2.78 MUM). In addition, the mixture of dictyopterisins D and E and dictyopterisins F-J displayed significant cytotoxicities against the human cancer cell lines HL-60 (IC50 from 1.02 to 2.70 MUM) and A-549 (IC50 from 1.35 to 2.85 MUM). PMID- 29207321 TI - A multi-institutional registry of pediatric hospital-acquired thrombosis cases: The Children's Hospital-Acquired Thrombosis (CHAT) project. AB - BACKGROUND: Pediatric hospital-acquired venous thromboembolism (HA-VTE) rates have increased dramatically. To achieve generalizable knowledge in the derivation and validation of HA-VTE risk factors and risk prediction models and inform future risk-stratified prevention strategies, multi-institutional studies are needed. OBJECTIVES: This paper presents an investigator-initiated, multicenter pediatric case-cohort study designed to identify risk factors for HA-VTE to create a HA-VTE risk prediction model. METHODS: A registry, which houses pertinent variables from HA-VTE subjects and non-HA-VTE controls, was created for the Children's Hospital-Acquired Thrombosis (CHAT) study. Specific variables from the registry associated with HA-VTE risk will be identified using multivariable regression to create a pediatric HA-VTE risk prediction model to be prospectively validated. RESULTS: Seven large pediatric institutions have entered over 600 HA VTE subjects aged 0-21years of age into the registry. Subjects showed a male predominance (57%), a median age of three years (IQR 0.3-13) and were most likely admitted to an intensive care unit (57%) at VTE diagnosis. Median time to HA-VTE was 10days after admission. The most prevalent risk factors include central venous catheters (80%), surgery (43%), systemic steroids (31%), congenital heart disease (27%), infection (14%) and cancer (13%). CONCLUSIONS: CHAT, with its creation of a risk prediction model with prospective validation using the CHAT registry, is a novel study design and will be the first step in identifying safe and effective strategies to decrease HA-VTE in children by helping define the highest risk population for initial, or more aggressive, thromboprophylaxis efforts. PMID- 29207323 TI - Overcoming obstacles in the tumor microenvironment: Recent advancements in nanoparticle delivery for cancer theranostics. AB - Despite rapid advancements in the field of nanotechnology, there is mounting frustration in the scientific community regarding the translational impact of nanomedicine. Modest therapeutic performance of FDA-approved nanomedicines combined with multiple disappointing clinical trials (such as phase III HEAT trial) have raised questions about the future of nanomedicine. Encouraging breakthroughs, however, have been made in the last few years towards the development of new classes of nanoparticles that can respond to tumor microenvironmental conditions and successfully deliver therapeutic agents to cancer cells. Concurrently, a great deal of effort has also been devoted to alter various parameters of tumor pathophysiology to pre-treat tumors before nanoparticles are administered. Such 'priming' treatments improve access of the systemically administered agents to the tumor and promote drug penetration into the deeper layers of tumor tissue. This review will highlight recent advances in cancer nanomedicine exploiting both nanoparticle design and tumor microenvironment modification; and provide a critical perspective on the future development of nanomedicine delivery in oncology. PMID- 29207322 TI - Identification of a "VTE-rich" population in pediatrics - Critically ill children with central venous catheters. AB - BACKGROUND: The incidence of venous thromboembolism (VTE) is rising among inpatients in US hospitals, especially among kids with central venous catheters (CVCs) in the pediatric intensive care unit (PICU). OBJECTIVES: To identify a sub group of "VTE-rich" population among PICU children, and to assess the effect of VTE on morbidity and mortality. METHODS: Data was extracted from a multicenter Virtual PICU Database, or VPS, for children with a CVC and presence of a VTE. The primary outcome variable was all cause mortality and secondary outcome measure was prolonged mechanical ventilation. Primary diagnoses and Pediatric risk of mortality 2 (PIM 2) score were also recorded. RESULTS: The database identified 158,299 PICU patients who had a CVC. A total of 1602 patients had VTE (103 per 10,000 PICU patients). Multivariate analysis showed increased risk of VTE in patients who were <1year old (OR 1.48; 1.30-1.68), mechanically ventilated (OR 2.48; 2.07-2.98), had either a diagnostic (OR 2.32; 1.94-2.78) or therapeutic cardiac catheterization (OR 2.06; 1.66-2.55), PICC (OR 3.91; 3.50-4.37), and percutaneous CVC (OR 3.99; 3.48-4.61). Primary diagnoses associated with VTE were endocrinologic, immunologic, and gastrointestinal disorders. PICU patients with CVC and VTE had increased odds of mortality (OR 1.71; 1.47-2.00) after adjusting for factors associated with mortality, and fewer Ventilator Free Days (VFD) than patients without VTE. CONCLUSIONS: Critically ill children with CVC have a significant risk of developing VTE. Identification of the above "VTE-rich" population may aid in design of clinical trials aimed at prevention of VTE among hospitalized PICU children. PMID- 29207324 TI - Microenvironments to study migration and somal translocation in cortical neurons. AB - Migrating post-mitotic neurons of the developing cerebral cortex undergo terminal somal translocation (ST) when they reach their final destination in the cortical plate. This process is crucial for proper cortical layering and its perturbation can lead to brain dysfunction. Here we present a reductionist biomaterials platform that faithfully supports and controls the distinct phases of terminal ST in vitro. We developed microenvironments with different adhesive molecules to support neuronal attachment, neurite extension, and migration in distinct manners. Efficient ST occurred when the leading process of migratory neurons crossed from low-to high-adhesive areas on a substrate, promoting spreading of the leading growth cone. Our results indicate that elementary adhesive cell substrate interactions strongly influence migratory behavior and the final positioning of neurons during their developmental journey. This in vitro model allows advanced experimentation to reveal the microenvironmental requirements underlying cortical layer development and disorders. PMID- 29207325 TI - Prediction of miscarriage in women with viable intrauterine pregnancy-A systematic review and diagnostic accuracy meta-analysis. AB - Both ultrasound and biochemical markers either alone or in combination have been described in the literature for the prediction of miscarriage. We performed this systematic review and meta-analysis to determine the best combination of biochemical, ultrasound and demographic markers to predict miscarriage in women with viable intrauterine pregnancy. The electronic database search included Medline (1946-June 2017), Embase (1980-June 2017), CINAHL (1981-June 2017) and Cochrane library. Key MESH and Boolean terms were used for the search. Data extraction and collection was performed based on the eligibility criteria by two authors independently. Quality assessment of the individual studies was done using QUADAS 2 (Quality Assessment for Diagnostic Accuracy Studies-2: A Revised Tool) and statistical analysis performed using the Cochrane systematic review manager 5.3 and STATA vs.13.0. Due to the diversity of the combinations used for prediction in the included papers it was not possible to perform a meta-analysis on combination markers. Therefore, we proceeded to perform a meta-analysis on ultrasound markers alone to determine the best marker that can help to improve the diagnostic accuracy of predicting miscarriage in women with viable intrauterine pregnancy. The systematic review identified 18 eligible studies for the quantitative meta-analysis with a total of 5584 women. Among the ultrasound scan markers, fetal bradycardia (n=10 studies, n=1762 women) on hierarchical summary receiver operating characteristic showed sensitivity of 68.41%, specificity of 97.84%, positive likelihood ratio of 31.73 (indicating a large effect on increasing the probability of predicting miscarriage) and negative likelihood ratio of 0.32. In studies for women with threatened miscarriage (n=5 studies, n=771 women) fetal bradycardia showed further increase in sensitivity (84.18%) for miscarriage prediction. Although there is gestational age dependent variation in the fetal heart rate, a plot of fetal heart rate cut off level versus log diagnostic odds ratio showed that at <=110 beat per minutes the diagnostic power to predict miscarriage is higher. Other markers of intra uterine hematoma, crown rump length and yolk sac had significantly decreased predictive value. Therefore in women with threatened miscarriage and presence of fetal bradycardia on ultrasound scan, there is a role for offering repeat ultrasound scan in a week to ten days interval. PMID- 29207326 TI - In silico prediction of potential vaccine candidates on capsid protein of human bocavirus 1. AB - Human bocavirus 1 (HBoV1) is a newly identified parvovirus that causes serious respiratory infection among children across the globe. Aim of the present study was to predict immunogenic residues located on the VP2 protein of HBoV1 towards development of epitope based vaccines. Several computational tools were employed to predict epitopes (bothT and B cell restricted) with stringent regulation for the improvement of confidence. After meticulous analysis, the peptide "TTPWTYFNFNQY" was identified as potential candidate for development of preventive vaccine. Of note, the epitope "TTPWTYFNFNQY" was found to be recognized by fifteen different alleles belonging to seven HLA supertypes (A1, A3, A24, A26, B7, B58 and B62). Further, mutational variability analysis pointed that most of the amino acids were well conserved. Docking scores obtained from ClusPro and Autodock Vina for selected epitopes displayed energetically favorable and stable interaction of peptide-HLA-I complexes. The core peptide "LLYQMPFFL" was found to recognize by wide range of HLA class II allele recognition thereby qualified as candidate for therapeutic vaccine. Five distinct linear peptides (withT cell epitope superimposition) belonging to B cells were identified in the VP2 protein. Further attention on the enlisted epitopes may shed light on the path for development of diagnostic, therapeutic and preventive tools against HBoV1 infection. Additionally, the predicted epitopes may help us to address the original antigenic sin phenomena observed during consecutive HBoV2-4 infection. PMID- 29207327 TI - Molecular mechanism of LPS-induced TNF-alpha biosynthesis in polarized human macrophages. AB - In response to environmental stimuli such as granulocyte-macrophage or macrophage colony stimulating factor (GM-CSF/M-CSF), macrophages (MPhi) can acquire distinct functional phenotypes that control inflammatory processes on the one hand and contribute to a broad spectrum of pathologies on the other. Potential intervention strategies will require an understanding of the signalling processes that are associated with macrophage polarization. In the present study, we show that M-MPhi produce more IFN-beta and IL-10 and a lot less TNF-alpha than do GM MPhi in response to LPS. To define the molecular mechanisms that underlie the biosynthesis of TNF-alpha we carried out a detailed investigation of the LPS induced activation of the canonical and non-canonical myeloid differentiation primary response 88 (MyD88)-dependent signal transduction pathways as well as the TIR-domain-containing adapter-inducing interferon-beta (TRIF)-dependent pathway. Our results show that all three pathways are activated in both cell types and that the activation is more pronounced in M-MPhi. While IL-10 was found to interfere with TNF-alpha production in M-MPhi, we exclude a decisive role for IFN beta in this respect. Furthermore, we demonstrate that TNF-alpha mRNA is markedly destabilized in M-MPhi and that expression of the mRNA destabilizing protein tristetraprolin is greatly enhanced in these cells. Collectively, our study suggests that differential effects of LPS on TNF-alpha mRNA turnover and on signal transduction pathways influence the amount of TNF-alpha finally produced by GM-MPhi and M-MPhi. PMID- 29207328 TI - Age estimation approaches using cranial suture closure: A validation study on a Thai population. AB - Cranial suture closure, one of the most commonly used age estimation methods, for decades, however, is often viewed with caution and its reliability is still debated. Few methods of estimating age using the skeleton, especially cranial suture, have been tested on Thais. This study aims to test the traditional aging techniques using cranial suture closure on Thai individuals in order to identify the error rate of each method when applied to a Thai sample. Meindl and Lovejoy (1985), Acsadi and Nemeskeri (1970), and Mann (1991) methods were applied to 175 Thai dry crania. Bias and inaccuracy in the Meindl and Lovejoy, Acsadi and Nemeskeri, and Mann methods resulted in overestimation in young adults and underestimation in older individuals with an inaccuracy range of approximately 13 22 years. The Mann method approached 100% in predicting age in older males, but the method did not fare as well on Thai females. The results confirm inter population variation does exist. Additionally, differences in age composition between populations used to develop the methods and Thais may lead to an increase in error. This study indicates that these three aging methods should be used in conjunction with other techniques. Further research which develops specific methods for Thais might give better results for age estimation. PMID- 29207329 TI - Tensile rupture of medial arterial tissue studied by X-ray micro-tomography on stained samples. AB - Detailed characterization of damage and rupture mechanics of arteries is one the current challenges in vascular biomechanics, which requires developing suitable experimental approaches. This paper introduces an approach using in situ tensile tests in an X-ray micro-tomography setup to observe mechanisms of damage initiation and progression in medial layers of porcine aortic samples. The technique requires the use of sodium polytungstate as a contrast agent, of which the conditions for use are detailed in this paper. Immersion of the samples during 24h in a 15g/L concentrated solution provided the best compromise for viewing musculo-elastic units in this tissue. The process of damage initiation, delamination and rupture of medial tissue under tensile loading was observed and can be described as an elementary process repeating several times until complete failure. This elementary process initiates with a sudden mode I fracture of a group of musculo-elastic units, followed by an elastic recoil of these units, causing mode II separation of these, hence a delamination plane. The presented experimental approach constitutes a basis for observation of other constituents, or for investigations on other tissues and damage mechanisms. PMID- 29207330 TI - Steps towards 'drop-in' biofuels: focusing on metabolic pathways. AB - The past decade has witnessed rapid advance in microbial production of 'drop-in' biofuels from renewable resources. Various biosynthetic pathways have been constructed to produce biofuels with diverse structures, and multiple metabolic engineering strategies have been developed to increase biofuel titers, yields, productivities and system robustness. In this review, we intend to give a brief but comprehensive overview of the most recent progresses on four essential pathways leading to 'drop-in' biofuel production, with an emphasis on the metabolic pathway efficiencies and biofuel structures. Furthermore, we also provide an insightful discussion on optimization strategies to improve the robustness of the microbial platforms for biofuel production. PMID- 29207331 TI - Use of bacterial co-cultures for the efficient production of chemicals. AB - The microbial production of chemicals has traditionally relied on a single engineered microbe to enable the complete bioconversion of substrate to final product. Recently, a growing fraction of research has transitioned towards employing a modular co-culture engineering strategy using multiple microbes growing together to facilitate a divide-and-conquer approach for chemical biosynthesis. Here, we review key success stories that leverage the unique advantages of co-culture engineering, while also addressing the critical concerns that will limit the wide-spread implementation of this technology. Future studies that address the need to monitor and control the population dynamics of each strain module, while maintaining robust flux routes towards a wide range of desired products will lead the efforts to realize the true potential of co culture engineering. PMID- 29207332 TI - A model assessment method for predicting structural fatigue life using Lamb waves. AB - This paper presents a study on model assessment for predicting structural fatigue life using Lamb waves. Lamb wave coupon testing is performed for model development. Three damage sensitive features, namely normalized energy, phase change, and correlation coefficient are extracted from Lamb wave data and are used to quantify the crack size. Four data-driven models are proposed. The average relative error and the probability of detection (POD) are proposed as two measures to evaluate the performance of the four models. To study the influence of model choice on the probabilistic fatigue life prediction, probability density functions of the actual crack size are obtained from the POD models given the Lamb wave data. Crack growth model parameters are statistically identified using Bayesian parameter estimation with Markov chain Monte Carlo simulations. The model assessment and the influence of model choice on fatigue life prediction are made using both coupon testing data with artificial cracks and realistic lap joint testing data with naturally developed cracks. PMID- 29207333 TI - Acute in vitro neurotoxicity of some pyrethroids using microelectrode arrays. AB - Pyrethroid-mediated changes on microelectrode array (MEA) parameters, such as mean firing rate (MFR), mean burst rate (MBR), and number of active channels (nAC) were investigated by exposing neuronal networks to cumulative concentrations (0.01, 0.1, 1, 10, and 100MUM) of pyrethroids (Type-1, bifenthrin and permethrin; Type-2, beta-cyfluthrin, cypermethrin, deltamethrin, and lambda cyhalothrin). The average MFR, MBR, and nAC increased for all pyrethroids (except nAC for deltamethrin) at lower concentrations and decreased at higher concentrations. The increase in the average MFR, MBR, and nAC was not statistically significant in most of the cases. Increase in MFR, MBR, and nAC was observed in 19/19, 18/19, and 12/19 individual experiments, respectively, at lower concentrations. The IC50s calculated on MEA parameters were more or less similar. The relative potencies calculated on the IC50s of MEA parameters had a strong positive correlation. These observations indicate that the MEA parameters MFR, MBR, and nAC follow the same trend for pyrethroid-mediated changes, and provide a similar outcome. The rank orders of relative potencies on the IC50s of the MEA parameters distinguish type-1 pyrethroids from type-2 pyrethroids, with type-2 being more potent. As increase in MFR at the lower concentrations of pyrethroids was observed in all the individual experiments (19/19), it may be considered as the characteristic effect of pyrethroids on neuronal excitability. PMID- 29207334 TI - PeptideNavigator: An interactive tool for exploring large and complex data sets generated during peptide-based drug design projects. AB - There is growing interest in peptide-based drug design and discovery. Due to their relatively large size, polymeric nature, and chemical complexity, the design of peptide-based drugs presents an interesting "big data" challenge. Here, we describe an interactive computational environment, PeptideNavigator, for naturally exploring the tremendous amount of information generated during a peptide drug design project. The purpose of PeptideNavigator is the presentation of large and complex experimental and computational data sets, particularly 3D data, so as to enable multidisciplinary scientists to make optimal decisions during a peptide drug discovery project. PeptideNavigator provides users with numerous viewing options, such as scatter plots, sequence views, and sequence frequency diagrams. These views allow for the collective visualization and exploration of many peptides and their properties, ultimately enabling the user to focus on a small number of peptides of interest. To drill down into the details of individual peptides, PeptideNavigator provides users with a Ramachandran plot viewer and a fully featured 3D visualization tool. Each view is linked, allowing the user to seamlessly navigate from collective views of large peptide data sets to the details of individual peptides with promising property profiles. Two case studies, based on MHC-1A activating peptides and MDM2 scaffold design, are presented to demonstrate the utility of PeptideNavigator in the context of disparate peptide-design projects. PMID- 29207335 TI - Tamoxifen a pioneering drug: An update on the therapeutic potential of tamoxifen derivatives. AB - Tamoxifen (ICI 46 474), trans-1-(4-beta-dimethylaminoethoxyphenyl)-1,2 diphenylbut-1-ene, is the most commonly used drug for the treatment of estrogen receptor positive breast cancer and has been saving lives worldwide for the past four decades. Tamoxifen is considered a pioneering drug due to its ubiquitous use in both treatment and chemoprevention of breast cancer and also for research addressing novel selective estrogen receptor modulators (SERMs). Tamoxifen is cost effective, lifesaving, and devoid of major side effects in the majority of patients. The discovery of tamoxifen metabolites such as 4-hydroxy tamoxifen, N desmethyl tamoxifen, and endoxifen has facilitated understanding of tamoxifen's and its metabolites' mechanisms of action in breast cancer therapy. Continuous efforts are being made by both industry and academia to synthesize novel tamoxifen derivatives in order to better understand the mechanism of this drug's action and to generate new agents with reduced side effects for many therapeutic targets. This review article comprises the tamoxifen derivatives reported in the literature in the last few years and we anticipate that it will assist medicinal chemists in the synthesis of novel and pharmacologically potent agents for various therapeutic targets. PMID- 29207336 TI - Cytotoxicity, molecular modeling, cell cycle arrest, and apoptotic induction induced by novel tetrahydro-[1,2,4]triazolo[3,4-a]isoquinoline chalcones. AB - Novel tetrahydro-[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)-3-arylprop-2-en-1-one derivatives were synthesized and their structures were confirmed by different spectral tools. Cytotoxicity test revealed that some compounds exhibited strong to moderate effect, while others showed weak action against different cancer cell lines (MCF7, A549, HCT116, and Hepg2). Breast carcinoma revealed higher sensitivity toward all derivatives especially compounds 5 and 8 which offered the lowest IC50 values (50.05, and 27.15 MUg/ml) respectively, relative to the positive control 5-fluorouracil (5-FU) (IC50 = 178 MUg/ml). In addition, the two compounds exhibited less toxic effect toward normal melanocytes (HFB4). Several theoretical and experimental studies were done to reveal the molecular mechanisms that control breast carcinoma metastasis using the two promising novels 5 and 8. Docking simulation studies against the two proteins EGFR and DHFR demonstrate that compound 8 showed higher binding affinity toward the two proteins more than compound 5, suggesting that trimethoxy groups may be responsible for this higher activity through the formation of five hydrogen bonding with the active domain (4r3r) and other four interactions with the active domain (1dls). Real time PCR assay illustrates that the two compounds up regulated BAX, p53, caspase-3 genes and down regulated BCL2, MMP1, CDK4 ones. In addition, it was noted that compound 8 was more effective in gene regulation and apoptotic induction than compound 5. Also, flow cytometer analysis demonstrates that both compounds 5 and 8 induced cell growth arrest at G1 phase and thus, inhibit G1/S transition and cell cycle progression. In addition, both compounds stimulate apoptotic death of breast cells significantly to reach 8.72%, and 17.28% respectively, compared to their control (0.55%). Apoptotic induction of breast cells was enhanced effectively through activation of caspase-3 by compound 8 using Elisa assay. PMID- 29207337 TI - Quinoxaline: An insight into the recent pharmacological advances. AB - Quinoxaline, a fused heterocycle of benzene and pyrazine rings has gained considerable attention in the field of contemporary medicinal chemistry. The moiety is of substantial importance because of its wide array of pharmacological activities viz. anti-cancer, antimalarial, anti-inflammatory, antimicrobial, anti HIV etc. Diversely substituted quinoxalines are important therapeutic agents in the pharmaceutical industry. This review focusses on the quinoxaline derivatives developed during the last decennial period and their biomedical applications. A compilation of patents on quinoxaline is also included herein. PMID- 29207338 TI - Synthesis and bio-inspired optimization of drimenal: Discovery of chiral drimane fused oxazinones as promising antifungal and antibacterial candidates. AB - The synthesis of antifungal natural product drimenal was accomplished. Bio inspired optimization protruded chiral 8-(R)-drimane fused oxazinone D as a lead, considering favorable physicochemical profiles for novel pesticides. The improved scalable synthesis of scaffold D was implemented by Hofmann rearrangment under mild conditions. Detailed structural optimization was discussed for both antifungal and antibacterial exploration. Substituted groups (SGs) with C3~C5 hydrocarbon chain are recommended for exploration of antifungal agents, while substituents with C4~C6 carbon length are preferred for antibacterial ingredients. The chiral drimane fused oxazinone D8 was selected as a promising antifungal candidate against Botrytis cirerea, with an EC50 value of 1.18 mg/L, with the enhancement of up to >25 folds and >80 folds than the mother compound D, and acyclic counterpart AB5, respectively. The in vivo bioassay confirmed much better preservative effect of D8 than that of Carbendazim. The chiral oxazinone variant D10 possessed prominent antibacterial activity, with MIC values of 8 mg/L against both Bacillus subtilis and Ralstonia solanacearum, showing advantages over the positive control streptomycin sulfate. PMID- 29207339 TI - Structure-activity relationships for inhibitors of Pseudomonas aeruginosa exoenzyme S ADP-ribosyltransferase activity. AB - During infection, the Gram-negative opportunistic pathogen Pseudomonas aeruginosa employs its type III secretion system to translocate the toxin exoenzyme S (ExoS) into the eukaryotic host cell cytoplasm. ExoS is an essential in vivo virulence factor that enables P. aeruginosa to avoid phagocytosis and eventually kill the host cell. ExoS elicits its pathogenicity mainly via ADP-ribosyltransferase (ADPRT) activity. We recently identified a new class of ExoS ADPRT inhibitors with in vitro IC50 of around 20 MUM in an enzymatic assay using a recombinant ExoS ADPRT domain. Herein, we report structure-activity relationships of this compound class by comparing a total of 51 compounds based on a thieno [2,3 d]pyrimidin-4(3H)-one and 4-oxo-3,4-dihydroquinazoline scaffolds. Improved inhibitors with in vitro IC50 values of 6 MUM were identified. Importantly, we demonstrated that the most potent inhibitors block ADPRT activity of native full length ExoS secreted by viable P. aeruginosa with an IC50 value of 1.3 MUM in an enzymatic assay. This compound class holds promise as starting point for development of novel antibacterial agents. PMID- 29207340 TI - Xanthine oxidase inhibitory activity of natural and hemisynthetic flavonoids from Gardenia oudiepe (Rubiaceae) in vitro and molecular docking studies. AB - Xanthine oxidase (XO), an enzyme widely distributed among mammalian tissues, is associated with the oxidation of xanthine and hypoxanthine to form uric acid. Reactive oxygen species are also released during this process, leading to oxidative damages and to the pathology called gout. Available treatments mainly based on allopurinol cause serious side effects. Natural products such as flavonoids may represent an alternative. Thus, a series of polymethoxyflavones isolated and hemisynthesized from the bud exudates of Gardenia oudiepe has been evaluated for in vitro XO inhibitory activity. Compounds 1, 2 and 3 were more active than the reference inhibitor, Allopurinol (IC50 = 0.25 +/- 0.004 MUM) with IC50 values of (0.004 +/- 0.001) MUM, (0.05 +/- 0.01) MUM and (0.09 +/- 0.003) MUM, respectively. Structure-activity relationships were established. Additionally, a molecular docking study using MOETM tool was carried out to establish the binding mode of the most active flavones with the enzyme, showing important interactions with its catalytic residues. These promising results, suggest the use of these compounds as potential leads for the design and development of novel XO inhibitors. PMID- 29207341 TI - DNA intercalators based on (1,10-phenanthrolin-2-yl)isoxazolidin-5-yl core with better growth inhibition and selectivity than cisplatin upon head and neck squamous cells carcinoma. AB - ((3RS,5SR)- and ((3RS,5RS)-2-(2-methoxybenzyl)-3-(1,10-phenanthrolin-2 yl)isoxazolidin-5-yl)methanol have been synthesized, according to 1,3-dipolar cycloaddition methodology, as DNA intercalating agents and evaluated for their anticancer activity against human cervical carcinoma HeLa and head and neck squamous cells carcinoma cell lines. The synthesized compounds exhibited good cytotoxic activity with IC50 better than cisplatin, used as the main and effective treatment for HNSCC, and a 24.3-72.0-fold selectivity respect to the 184B5 non-cancerous immortalized breast epithelial cell lines. Unwinding assay, circular dichroism data, and Uv-vis melting experiments confirmed that these compounds act as DNA intercalators with a binding constant in the order of 104 M 1. Docking studies showed that both compounds can interact as intercalating agent with both poly-d(AT)2 and poly-d(GC)2, preferring an entrance by the minor groove of the poly-d(AT)2. PMID- 29207342 TI - Accelerated skin wound healing by selective 11beta-Hydroxylase (CYP11B1) inhibitors. AB - Previous studies have shown that inhibition of cortisol biosynthesis in skin leads to accelerated wound healing. Here, pyridylmethyl pyridine type 11beta hydroxylase (CYP11B1) inhibitors were optimized for topical application to avoid systemic side effects. The resulting very potent, non-toxic CYP11B1 inhibitor 14 (IC50 = 0.8 nM) exhibited good selectivity over 11beta-HSD1, CYP17A1 and CYP19A1. The compound showed high stability toward human plasma (t1/2= > 150 min, as a substitute for wound fluid) and low stability toward HLS9 (t1/2 = 19 min) for rapid metabolic clearance after absorption. Compound 14 was able to accelerate wound healing in human skin. PMID- 29207343 TI - Development of novel anti-filarial agents using carbamo(dithioperoxo)thioate derivatives. AB - A series of novel carbamo(dithioperoxo)thioate derivatives have been prepared in excellent yield using a significantly fast, one-pot three component reaction and experimented for their potential as anti-filarial agents against model filarial nematode Setaria cervi. Among 23 compounds (4a-w) evaluated for the anti-filarial activities, five compounds (4a, 4b, 4c, 4d and 4h) have shown promising anti proliferative effects on the juvenile stage microfilariae (mf) as well as in adults in a time and dose dependent manner. Compound 4a was found most active against oocytes, mf and adult nematods as well as non-cytotoxic to the normal cells. It has been established that the anti-filarial activity of the compounds were observed due to the involvement of reactive oxygen species (ROS) and apoptosis. Several biochemical and microscopic experiments have been carried out to establish the fact that both intrinsic and extrinsic pathways of apoptosis contribute to the compound 4a mediated death phenomenon of the filarial nematodes. PMID- 29207344 TI - NOD1 and NOD2: Molecular targets in prevention and treatment of infectious diseases. AB - Nucleotide-binding oligomerization domain (NOD) 1 and NOD2 are pattern recognition receptors responsible for sensing fragments of bacterial peptidoglycan known as muropeptides. Stimulation of innate immunity by systemic or local administration of NOD1 and NOD2 agonists is an attractive means to prevent and treat infectious diseases. In this review, we discuss novel data concerning structural features of selective and non-selective (dual) NOD1 and NOD2 agonists, main signaling pathways and biological effects induced by NOD1 and NOD2 stimulation, including induction of pro-inflammatory cytokines, type I interferons and antimicrobial peptides, induction of autophagy, alterations of metabolism. We also discuss interactions between NOD1/NOD2 and Toll-like receptor agonists in terms of synergy and cross-tolerance. Finally, we review available animal data on the role of NOD1 and NOD2 in protection against infections, and discuss how these data could be applied in human infectious diseases. PMID- 29207345 TI - Water-in-oil Pickering emulsions stabilized by stearoylated microcrystalline cellulose. AB - HYPOTHESIS: Hydrophobic particles with static water contact angles larger than 90 degrees are more like to stabilize W/O Pickering emulsions. In particular, high internal phase Pickering emulsions (HIPEs) are of great interest for diverse applications. However, W/O HIPEs have rarely been realized using sustainable biopolymers. Herein, we used stearoylated microcrystalline cellulose (SMCC) to stabilize W/O Pickering emulsions and especially, W/O HIPEs. Moreover, these W/O HIPEs can be further used as platforms for the preparation of porous materials, such as porous foams. EXPERIMENTS: Stearoylated microcrystalline cellulose (SMCC) was prepared by modifying MCC with stearoyl chloride under heterogeneous conditions. Using SMCC as emulsifiers, W/O medium and high internal phase Pickering emulsions (MIPEs and HIPEs) with various organic solvents as continuous phases were prepared using one-step and two-step methods, respectively. Polystyrene (PS) foams were prepared after polymerization of oil phase using HIPEs as templates and their oil/water separation capacity were studied. FINDINGS: SMCC could efficiently stabilize W/O Pickering emulsions and HIPEs could only be prepared via the two-step method. The internal phase volume fraction of the SMCC-stabilized HIPEs reached as high as 89%. Diverse internal phase volume fractions led to distinct inner structures of foams with closed or open cells. These macroporous polystyrene (PS) foams demonstrated great potential for the effective absorption of organic solvents from underwater. PMID- 29207346 TI - Colloidal polymer particles as catalyst carriers and phase transfer agents in multiphasic hydroformylation reactions. AB - HYPOTHESIS: Colloidal particles have been used to covalently bind ligands for the heterogenization of homogeneous catalysts. The replacement of the covalent bonds by electrostatic interactions between particles and the catalyst could preserve the selectivity of a truly homogeneous catalytic process. EXPERIMENTS: Functionalized polymer particles with trimethylammonium moieties, dispersed in water, with a hydrophobic core and a hydrophilic shell have been synthesized by emulsion polymerization and have been thoroughly characterized. The ability of the particles with different monomer compositions to act as catalyst carriers has been studied. Finally, the colloidal dispersions have been applied as phase transfer agents in the multiphasic rhodium-catalyzed hydroformylation of 1 octene. FINDINGS: The hydrodynamic radius of the particles has been shown to be around 100 nm, and a core-shell structure could be observed by atomic force microscopy. The polymer particles were proven to act as carriers for the water soluble hydroformylation catalyst, due to electrostatic interaction between the functionalized particles bearing ammonium groups and the sulfonated ligands of the catalyst. The particles were stable under the hydroformylation conditions and the aqueous catalyst phase could be recycled three times. PMID- 29207347 TI - A facile approach towards amino-coated ferroferric oxide nanoparticles for environmental pollutant removal. AB - A facile and environmental-friendly approach was developed to prepare magnetic nano-adsorbent for environmental pollutant removal. Based on the mussel-inspired polymerization, amino-coated Fe3O4 nanoparticles were fabricated by simply immersing Fe3O4 nanoparticles into an aqueous solution of catechol and hexanediamine with stirring at room temperature. The magnetic nano-adsorbent was characterized via Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), X-ray diffraction (XRD), vibrating sample magnetometer (VSM), thermo gravimetric analysis (TGA), and Brunauer-Emmett-Teller's test (BET). The effects of initial mole ratio of catechol/hexanediamine and coating time on the adsorption capacity were investigated, using Congo red as a model organic dye. Under the optimal preparation condition, the absorption capacity of the amino-coated Fe3O4 nanoparticles reached 97.3 mg/g for Congo red, and the adsorption reached about 80% of the equilibrium adsorption amount within 200 min. Adsorption kinetics and isotherm studies indicated that the absorption process fitted the pseudo-second-order kinetic and Langmuir isotherm models well. Besides, desired functional groups could be introduced onto the surface of Fe3O4 nanoparticles, to tailor the adsorption capacity for Congo red, amaranths red, methylene blue and methylene violet. It is believed that the amino-coated magnetic nano-adsorbent prepared by the proposed method in this study has a good prospect for wastewater treatment. PMID- 29207348 TI - Experimental study of dynamic contact angles on rough hydrophobic surfaces. AB - Rough hydrophobic surfaces have many applications in industry and technology. An experimental study was done on the spreading dynamics of different concentrations of polyethylene glycol (PEG) solutions on rough Teflon plates with different roughness. The experiments were conducted using Wilhelmy plate method. The advancing dynamic contact angle was found to be weakly dependent of capillary number. However, the receding dynamic contact angle decreases with increasing capillary number. The degree of roughness on rough Teflon surface has an important role on dynamic contact angle. The dynamics of receding motion was found to follow the molecular-kinetic theory. A power law relation between the receding dynamic contact angle and the capillary number was also obtained. PMID- 29207349 TI - Chemically functionalized graphene for lubricant applications: Microscopic and spectroscopic studies of contact interfaces to probe the role of graphene for enhanced tribo-performance. AB - Shear-induced transfer of graphene on the contact interfaces was studied by microscopic and spectroscopic analyses of steel balls lubricated with chemically functionalized graphene-based mineral lube base oil (SN-150). The 3,5-di-tert butyl-4-hydroxybenzaldehyde (DtBHBA) grafted-graphene (Gr-DtBHBA) was prepared by two-steps approach using graphene oxide as a precursor. Chemical and structural features of Gr-DtBHBA are probed by FTIR, XPS, Raman, TGA, and HRTEM analyses. The van der Waals interaction between the tertiary-butyl group in the Gr-DtBHBA and hydrocarbon chains of mineral lube base oil facilitates the dispersion of Gr DtBHBA in the SN-150 lube base oil, which is very important for the optimized performance of Gr-DtBHBA as a lubricant additive. The minute dosing (0.2-0.8 mg mL-1) of the Gr-DtBHBA in the SN-150 lube base oil showed the significant reduction in the coefficient of friction (40%) and wear scar diameter (17%) under the rolling contact between steel balls. The microscopic and EDX analysis of the worn area suggested the role of Gr-DtBHBA nanosheets for enhanced tribo performance of the SN-150 lube base oil. A detailed Raman study of the worn area of steel ball revealed the deposition of a graphene-based tribo thin film in the forms of irregular patches. The shear-induced deposition of graphene thin film on the contact interfaces reduced the friction and protected the tribo-surfaces against the wear. PMID- 29207350 TI - Mobile genetic elements and antibiotic resistance in mine soil amended with organic wastes. AB - Metal resistance has been associated with antibiotic resistance due to co- or cross-resistance mechanisms. Here, metal contaminated mine soil treated with organic wastes was screened for the presence of mobile genetic elements (MGEs). The occurrence of conjugative IncP-1 and mobilizable IncQ plasmids, as well as of class 1 integrons, was confirmed by PCR and Southern blot hybridization, suggesting that bacteria from these soils have gene-mobilizing capacity with implications for the dissemination of resistance factors. Moreover, exogenous isolation of MGEs from the soil bacterial community was attempted under antibiotic selection pressure by using Escherichia coli as recipient. Seventeen putative transconjugants were identified based on increased antibiotic resistance. Metabolic traits and metal resistance of putative transconjugants were investigated, and whole genome sequencing was carried out for two of them. Most putative transconjugants displayed a multi-resistant phenotype for a broad spectrum of antibiotics. They also displayed changes regarding the ability to metabolise different carbon sources, RNA: DNA ratio, growth rate and biofilm formation. Genome sequencing of putative transconjugants failed to detect genes acquired by horizontal gene transfer, but instead revealed a number of nonsense mutations, including in ubiH, whose inactivation was linked to the observed resistance to aminoglycosides. Our results confirm that mine soils contain MGEs encoding antibiotic resistance. Moreover, they point out the role of spontaneous mutations in achieving low-level antibiotic resistance in a short time, which was associated with a trade-off in the capability to metabolise specific carbon sources. PMID- 29207351 TI - Enhancing the efficiency of zero valent iron by electrolysis: Performance and reaction mechanism. AB - Electrolysis was applied to enhance the efficiency of micron-size zero valent iron (mFe0) and thereby promote p-nitrophenol (PNP) removal. The rate of PNP removal by mFe0 with electrolysis was determined in cylindrical electrolysis reactor that employed annular aluminum plate cathode as a function of experimental factors, including initial pH, mFe0 dosage and current density. The rate constants of PNP removal by Ele-mFe0 were 1.72-144.50-fold greater than those by pristine mFe0 under various tested conditions. The electrolysis-induced improvement could be primarily ascribed to stimulated mFe0 corrosion, as evidenced by Fe2+ release. The application of electrolysis could extend the working pH range of mFe0 from 3.0 to 6.0 to 3.0-10.0 for PNP removal. Additionally, intermediates analysis and scavengers experiments unraveled the reduction capacity of mFe0 was accelerated in the presence of electrolysis instead of oxidation. Moreover, the electrolysis effect could also delay passivation of mFe0 under acidic condition, as evidenced by SEM-EDS, XRD, and XPS analysis after long-term operation. This is mainly due to increased electromigration meaning that iron corrosion products (iron hydroxides and oxides) are not primarily formed in the vicinity of the mFe0 or at its surface. In the presence of electrolysis, the effect of electric field significantly promoted the efficiency of electromigration, thereby enhanced mFe0 corrosion and eventually accelerated the PNP removal rates. PMID- 29207352 TI - Ecosystem effects and the management of petroleum-contaminated soils on subantarctic islands. AB - Human activity in the Polar Regions has resulted in petroleum contamination of soils. In this context, subantarctic islands are a unique management challenge for climatic, biological and logistical reasons. In this review we identify the main abiotic factors affecting petroleum-contaminated soils in the subantarctic environment, the primary effects of such contamination on biota, and lessons learned with regards to remediation techniques in this region. The sensitivity of biota to contamination depends on organism life stage, on soil properties, and on the degree of contaminant weathering. Initial studies using species endemic to subantarctic islands suggest that for fresh diesel fuel, sensitivities may range between 103 and 20 000 mg total petroleum hydrocarbons (TPH) kg -1 soil. Diesel that has undergone a short period of weathering is generally more toxic, with sensitivities ranging between 52 and 13 000 mg TPH kg-1 soil for an earthworm and a grass respectively (based on EC20 and IC50 values). A sufficient body of data from which to develop remediation targets for existing spills in the region does not yet exist for the region, but there has been a recent increase in research attention to address this data gap. A range of remediation methods have also now been trialled, and techniques such as in-ground aeration and nutrient addition have achieved some success. Passive management techniques such as permeable reactive barriers and phytoremediation are in preliminary stages of investigation for the region and show promise, not least because they cause less collateral disturbance than other methods. PMID- 29207353 TI - Predicting acute toxicity of traditional Chinese medicine wastewater using UV absorption and volatile fatty acids as surrogates. AB - In this study, the applicability of UV absorbance at 254 nm (UV254) and volatile fatty acids (VFAs) to serve as reliable surrogates to predict acute toxicity of traditional Chinese medicine (TCM) wastewater was investigated. The medicine residues and VFAs were identified as main components of the TCM wastewater, and their individual and joint toxicity assays were operated with luminescent bacteria. The median effective concentration (EC50) values of medicine residues and VFAs were in the range of 26.46-165.55 mg/L and 11.45-20.58 g/L, respectively. The joint toxicity action modes of medicine residues, VFAs and medicine residues-VFAs were identified as additive, additive and synergistic respectively. UV254 and VFAs showed better correlations with acute toxicity according to the correlation analysis, compared with other conventional parameters. The regression model was a good fit for toxic unit (TU50) as a function of UV254 and VFAs according to the stepwise regression method (adjusted R2 = 0.836). Validation of the model to the pilot-scale samples provided satisfactory prediction results in the influent and hydrolysis acidification effluent samples tests, but for EGSB effluent and final effluent samples, the model needed further optimization. Surrogates prediction using UV254 and VFAs provided a valuable and cost-saving tool for rapid or on-line monitoring of acute toxicity of TCM wastewater. PMID- 29207354 TI - Biomonitoring chromium III or VI soluble pollution by moss chlorophyll fluorescence. AB - We systematically compared the impacts of four Cr salts (chromic chloride, chromic nitrate, potassium chromate and potassium bichromate) on physiological parameters and chlorophyll fluorescence in indigenous moss Taxiphyllum taxirameum. Among the four Cr salts, K2Cr2O7 treatment resulted in the most significant decrease in photosynthetic efficiency and antioxidant enzymes, increase in reactive oxygen species (ROS), and obvious cell death. Different form the higher plants, although hexavalent Cr(VI) salt treatments resulted in higher accumulation levels of Cr and were more toxic than Cr(III) salts, Cr(III) also induced significant changes in moss physiological parameters and chlorophyll fluorescence. Our results showed that Cr(III) and Cr(VI) could be monitored distinguishably according to the non-photochemical quenching (NPQ) fluorescence of sporadic purple and sporadic lavender images respectively. Then, the valence states and concentrations of Cr contaminations could be evaluated according to the image of maximum efficiency of PSII photochemistry (Fv/Fm) and the quantum yield of PSII electron transport (PhiPSII). Therefore, this study provides new ideas of moss's sensibility to Cr(III) and a new method to monitor Chromium contaminations rapidly and non-invasively in water. PMID- 29207356 TI - Quantification and characterization of chemically-and thermally-labile and recalcitrant biochar fractions. AB - The C:N ratios of biochar labile fractions is important for assessing biochar stability and N cycling in soil. Here we compare chemically and thermally labile fractions for nine biochars produced from five biomass feedstocks using four production techniques. Biochar fractionation methods included proximate analysis, hot water extraction, acid and base extractions (0.05 M, 0.5 M, 1 M, 2 M, 3 M, and 6 M of either H2SO4 or NaOH), and oxidation with 15% H2O2 and 0.33 M KMnO4 (pH 7.2). Results show chemical addition reactions cause underestimation of mass of the labile fraction for chemical extraction and oxidation procedures but not the thermal procedure. Estimates of C and N in labile and recalcitrant fractions were not adversely affected by addition reactions, because solvents were independent of C or N. Results indicate that herbaceous biochars may be a source of N fertility while hardwood biochars may immobilize N during the first few years after biochar application to soils. PMID- 29207355 TI - Environmental pollution and health hazards from distillery wastewater and treatment approaches to combat the environmental threats: A review. AB - Distillery industries are the key contributor to the world's economy, but these are also one of the major sources of environmental pollution due to the discharge of a huge volume of dark colored wastewater. This dark colored wastewater contains very high biological oxygen demand, chemical oxygen demand, total solids, sulfate, phosphate, phenolics and various toxic metals. Distillery wastewater also contains a mixture of organic and inorganic pollutants such as melanoidins, di-n-octyl phthalate, di-butyl phthalate, benzenepropanoic acid and 2-hydroxysocaproic acid and toxic metals, which are well reported as genotoxic, carcinogenic, mutagenic and endocrine disrupting in nature. In aquatic resources, it causes serious environmental problems by reducing the penetration power of sunlight, photosynthetic activities and dissolved oxygen content. On other hand, in agricultural land, it causes inhibition of seed germination and depletion of vegetation by reducing the soil alkalinity and manganese availability, if discharged without adequate treatment. Thus, this review article provides a comprehensive knowledge on the distillery wastewater pollutants, various techniques used for their analysis as well as its toxicological effects on environments, human and animal health. In addition, various physico-chemicals, biological as well as emerging treatment methods have been also discussed for the protection of environment, human and animal health. PMID- 29207357 TI - Asbestos containing materials detection and classification by the use of hyperspectral imaging. AB - In this work, hyperspectral imaging in the short wave infrared range (SWIR: 1000 2500nm) coupled with chemometric techniques was evaluated as an analytical tool to detect and classify different asbestos minerals, such as amosite ((Fe2+)2(Fe2+,Mg)5Si8O22(OH)2)), crocidolite (Na2(Mg,Fe)6Si8O22(OH)2) and chrysotile (Mg3(Si2O5)(OH)4), contained in cement matrices. Principal Component Analysis (PCA) was used for data exploration and Soft Independent Modeling of Class Analogies (SIMCA) for sample classification. The classification model was built using spectral characteristics of reference asbestos samples and then applied to the asbestos containing materials. Results showed that identification and classification of amosite, crocidolite and chrysotile was obtained based on their different spectral signatures, mainly related to absorptions detected in the hydroxyl combination bands, such as Mg-OH (2300nm) and Fe-OH (from 2280 to 2343nm). The developed SIMCA model showed very good specificity and sensitivity values (from 0.89 to 1.00). The correctness of classification results was confirmed by stereomicroscopic investigations, based on different color, morphological and morphometrical characteristics of asbestos minerals, and by micro X-ray fluorescence maps, through iron (Fe) and magnesium (Mg) distribution assessment on asbestos fibers. The developed innovative approach could represent an important step forward to detect asbestos in building materials and demolition waste. PMID- 29207358 TI - Sequence length dependence in arginine/phenylalanine oligopeptides: Implications for self-assembly and cytotoxicity. AB - We present a detailed study on the self-assembly and cytotoxicity of arginine rich fragments with general form [RF]n (n=1-5). These highly simplified sequences, containing only two l-amino acids, provide suitable models for exploring both structure and cytotoxicity features of arginine-based oligopeptides. The organization of the sequences is revealed over a range of length scales, from the nanometer range down to the level of molecular packing, and their cytotoxicity toward C6 rat glioma and RAW264.7 macrophage cell lines is investigated. We found that the polymorphism is dependent on peptide length, with a progressive increase in crystalline ordering upon increasing the number of [RF] pairs along the backbone. A dependence on length was also found for other observables, including critical aggregation concentrations, formation of chiral assemblies and half maximum inhibitory concentrations (IC50). Whereas shorter peptides self-assemble into fractal-like aggregates, clear fibrillogenic capabilities are identified for longer sequences with octameric and decameric chains exhibiting crystalline phases organized into cross-beta structures. Cell viability assays revealed dose-dependent cytotoxicity profiles with very similar behavior for both glioma and macrophage cell lines, which has been interpreted as evidence for a nonspecific mechanism involved in toxicity. We propose that structural organization of [RF]n peptides plays a paramount role regarding toxicity due to strong increase of local charge density induced by self assemblies rich in cationic groups when interacting with cell membranes. PMID- 29207359 TI - Telbivudine attenuates UUO-induced renal fibrosis via TGF-beta/Smad and NF-kappaB signaling. AB - Renal fibrosis yields decreased renal function and is a potent contributor to chronic kidney disease (CKD). Telbivudine (LdT) is an anti-hepatitis B virus (HBV) drug that has been found to steadily improve renal function, but the mechanism of drug action is unclear. One explanation is that LdT impacts inflammatory or fibrotic pathways. In this study, we investigated renal protection by LdT in a rat model of unilateral ureteral obstruction (UUO). UUO rats received oral gavage of LdT (1, 1.5, or 2g/kg/day) for 5weeks. Kidney tissues were examined histopathologically with hematoxylin and eosin and Masson's trichrome stain. To assess proliferation of myofibroblasts and matrix accumulation, alpha-smooth muscle actin (alpha-sma) and collagen type I and III were detected. Interleukin-1 (IL-1) and tumor necrosis factor (TNF)-alpha were evaluated as a measure of proinflammatory cytokines. Transforming growth factor (TGF)-beta and nuclear factor-kappaB (NF-kappaB) were considered the canonical signaling components in our investigation of the underlying mechanism of LdT action. Histopathology results indicated that LdT ameliorates renal injury and matrix accumulation. Expression of alpha-sma and collagen I/III as well as key fibrotic signaling factors in the TGF-beta/Smad pathway were downregulated. In addition, LdT suppressed the release of IL-1 and TNF-alpha and decreased the expression of NF-kappaB by inhibiting toll-like receptor 4. Taken together, these findings indicate that LdT can attenuate renal fibrosis and inflammation via TGF beta/Smad and NF-kappaB pathways in UUO. PMID- 29207360 TI - Oridonin protects against the inflammatory response in diabetic nephropathy by inhibiting the TLR4/p38-MAPK and TLR4/NF-kappaB signaling pathways. AB - Inflammation plays a pivotal role in the development and progression of diabetic nephropathy (DN). Oridonin (Ori), a component isolated from Rabdosia rubescens, possesses remarkable anti-inflammatory, immunoregulatory and antitumor properties. However, the renoprotective effects of Ori and the underlying molecular mechanisms have not been explored in DN. In this study, we aimed to investigate the protective effects and potential mechanisms responsible for the anti-inflammatory effects of Ori in diabetes-induced renal injury in vivo and in vitro. Our results showed that Ori significantly attenuated diabetes-induced renal injury and markedly decreased urinary protein excretion levels, serum creatinine concentrations and blood urea nitrogen concentrations in rats. Ori also significantly alleviated infiltration of inflammatory cells (cluster of differentiation (CD)68) in kidney tissues and reduced the levels of pro inflammatory cytokines, including tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), IL-1beta and monocyte chemotactic protein 1 (MCP-1), both in vivo and in vitro. TLR4 is a principal mediator of innate immune and inflammatory responses and participates in the development of DN. Our molecular studies indicated that Ori administration significantly down-regulated TLR4 overexpression in DN. Additional studies were conducted to investigate the effect of Ori on the p38-mitogen-activated protein kinase (p38-MAPK) and nuclear factor (NF)-kappaB pathways. The results showed that Ori inhibited IkappaBalpha, p65, and p38 phosphorylation, as well as NF-kappaB DNA-binding activity. In conclusion, these results demonstrated that Ori exerts protective effects in diabetes-induced renal injury in vivo and in vitro. These effects may be ascribed to its anti-inflammatory and modulatory effects on the TLR4/p38-MAPK and TLR4/NF kappaB signaling pathways. PMID- 29207361 TI - Patient Factors But Not the Use of Novel Anticoagulants or Warfarin Are Associated With Internal Jugular Vein Access-Site Hematoma After Right Heart Catheterization. AB - INTRODUCTION: Right heart catheterization (RHC) is routinely performed to assess hemodynamics. Generally, anticoagulants are held prior to the procedure. At our center, anticoagulants are continued and ultrasound guidance is always used for internal jugular vein access. A micropuncture access kit is used to place a 5 or 6 Fr sheath using the modified Seldinger technique. Manual compression is applied for 10-15 min and the patient is observed for at least 2 hours after the procedure. In a retrospective analysis, we investigated the risk of bleeding complications associated with RHC via the internal jugular vein in patients with and without full anticoagulation. METHODS AND RESULTS: Our catheterization laboratory database was searched for adult patients who underwent RHC by a single operator between January 2012 and December 2015. A total of 571 patients were included in the analysis. Baseline characteristics, labs, relevant invasive hemodynamics, co-morbid conditions, and incidence of access-site hematoma are presented. Multivariable binary logistic regression was performed using IBM SPSS v. 23.0 software. Statistically significant associations with access-site hematoma were observed with body mass index (P=.02; 95% confidence interval [CI], 1.0-1.1), right atrial pressure (P=.03; 95% CI, 0.7-0.9), and dialysis dependence (P<.01; 95% CI, 0.1-0.6). There was no association of access-site hematoma with the use of anticoagulants (P>.99). CONCLUSION: The incidence of internal jugular vein access-site hematoma is small when using careful access techniques for RHC even with the continued use of novel oral anticoagulants and warfarin. Patient characteristics and co-morbid conditions are related to bleeding complications. PMID- 29207362 TI - Alcohol Septal Ablation for Hypertrophic Obstructive Cardiomyopathy: Indications, Technical Aspects, and Clinical Outcomes. AB - Hypertrophic cardiomyopathy is the most common genetically transmitted heart disease. Around two-thirds of patients develop symptoms caused by the dynamic left ventricular outflow tract obstruction, either at rest or during effort. For patients with hypertrophic obstructive cardiomyopathy (HOCM) that remain symptomatic despite optimal medical treatment, septal reduction is a valuable therapeutic strategy. While surgical myomectomy was considered the gold standard until the end of the 1990s, alcohol septal ablation (ASA) has gained rapid popularity and acceptance, especially in Europe. In this review, we describe indications and contraindications to ASA, along with technical considerations related to the procedure. Particular emphasis is put on adjunctive imaging modalities required for proper patient selection (echocardiography, magnetic resonance imaging) and procedure safety (echocardiography). Next, we describe postprocedural care and potential procedural complications. Finally, a review of the recent literature describing the long-term results of ASA is presented. In short, when performed by an experienced team, ASA has a high success rate and low complication rate. The procedure provides symptom relief and grants patients similar longevity to that of the general population. PMID- 29207363 TI - Improvement in Aortic Valve Area in Patients With Aortic Stenosis Through Use of a New "Hourglass-Shaped" Valvuloplasty Balloon. AB - OBJECTIVES: The study aim was to assess the effect of hourglass-shaped V8 and TAV8 balloons (InterValve, Inc) on aortic valve area (AVA) and other outcomes in patients with severe aortic stenosis undergoing balloon aortic valvuloplasty (BAV). BAV has re-emerged with transcatheter therapy. Cylindrical balloons have been the device of choice despite limitations. The hourglass-shaped balloons, with shorter, broader segments separated by a narrowed waist, permit enhanced fixation and better leaflet opening without annular or sinotubular compromise. METHODS: We compared outcomes of InterValve balloon use in patients undergoing BAV with outcomes of cylindrical balloon use in patients from a BAV database. Patients were propensity matched by age, gender, baseline AVA, left ventricular ejection fraction, and Society of Thoracic Surgeons mortality risk score. Endpoints included change in AVA and aortic insufficiency (AI) by echocardiography, new permanent pacemaker (PPM) implantation, and major adverse events (ie, procedural death, emergency surgery, or stroke). RESULTS: Forty InterValve balloon patients were matched with 40 cylindrical balloon patients. Postprocedure change in AVA trended strongly in favor of InterValve balloon patients (0.29 +/- 0.17 cm2 vs 0.22 +/- 0.15 cm2; P=.06). Maximum balloon sizes were significantly smaller for InterValve balloon patients. Worsened AI occurred less frequently with InterValve balloons. There was no difference in postprocedure PPM implantations or major adverse events. CONCLUSIONS: Use of the hourglass-shaped balloons provided larger AVA, as compared with use of cylindrical balloons. Use of the novel balloons was not associated with an increase in AI, PPM, or major adverse events. PMID- 29207364 TI - Transpedal Access for the Management of Complex Peripheral Artery Disease. AB - OBJECTIVES: To evaluate the safety and efficacy of transpedal access for the management of complex peripheral artery disease (PAD). INTRODUCTION: Critical limb ischemia is associated with high risk of limb loss, as well as cardiovascular and all-cause mortality. Transpedal access is a novel, increasingly utilized technique for the management of complex PAD. METHODS: We performed a literature search using PubMed from January 2003 to December 2016. Published studies on transpedal access were studied. We evaluated patient sample demographics, procedure indications, access and target vessel, procedural characteristics, outcomes, and complications. RESULTS: Ten studies and 881 patients were included in our study. The indication for transpedal access was critical limb ischemia in 68.4% and severe claudication in 29.5%. A chronic total occlusion was present in 93.7% (average occlusion length, 206 mm). Access was achieved by ultrasound in 57.1% and by fluoroscopy in 35.7%. The anterior tibial or dorsalis pedis were accessed in 54.7% and the posterior tibial in 28.0%. The angiographic procedural success rate was 92.6%. The most commonly reported complication was dissection (7.49%), followed by perforation (1.36%) and embolization (1.25%). CONCLUSION: Based on the results of this systematic review, transpedal access appears to be a safe and effective technique for complex PAD. PMID- 29207365 TI - Thirty-Day Outcomes in 100 Consecutive Patients Undergoing Transfemoral Aortic Valve Replacement With the Portico Valve on an All-Comer Basis. AB - OBJECTIVES: Transcatheter heart valves such as the self-expandable Portico valve (St. Jude Medical) are being developed to overcome limitations of first generation devices. Since clinical experience with this valve is still limited in a real-world setting, we investigated its use on an all-comer basis. METHODS: Between October 2015 and October 2016, a total of 100 consecutive patients assessed for transcatheter aortic valve replacement (TAVR) and found suitable for the Portico valve were included. The primary endpoint was 30-day all-cause mortality. Secondary endpoints included immediate postprocedural survival, complications according to Valve Academic Research Consortium (VARC)-2 criteria, and echocardiographic findings. RESULTS: All 100 participants received a Portico valve; the patient group included 56 women (56%) and 44 men (44%) with mean age of 81.7 +/- 5.1 years. Mean EuroScore II and STS scores were 6.2 +/- 8.6 and 5.2 +/- 6.1, respectively. Immediate postprocedural survival rate was 99%. The 30-day mortality rate (6%) was comparable with earlier studies performed in selected patients. Complications included major stroke (2%), minor stroke (2%), major vascular complication (2%), minor vascular complication (4%), cardiac tamponade (1%), major bleeding (3%), conversion into open surgery (1%), and pacemaker implantation (19.5%). Maximal and mean echocardiographic gradients were reduced from 66 mm Hg (range, 21-141 mm Hg) to 15 mm Hg (range, 4-41 mm Hg) (P<.001) and from 44 mm Hg (range, 12-84 mm Hg) to 8 mm Hg (range, 2-25 mm Hg) (P<.001), respectively. A low rate of more-than-mild paravalvular leak was observed (4.4%). CONCLUSIONS: Our immediate and 30-day post-TAVR results support favorable survival comparable to other studies, and significant clinical improvement with the Portico valve in non-selected patients in a real-world setting, with short term complications being uncommon. PMID- 29207366 TI - Differences in Approaches and Outcomes of Defibrillator Lead Implants Between High-Volume and Low-Volume Operators: Results From the Pacemaker and Implantable Defibrillator Leads Survival Study ("PAIDLESS"). AB - OBJECTIVES: The purpose of this study was to investigate the relationship between operator volume and implantable defibrillator lead failure and patient mortality at a single large implanting center. METHODS: This study analyzed the differences between high-volume and low-volume defibrillator implanters in the Pacemaker and Implantable Defibrillator Lead Survival Study ("PAIDLESS") between February 1, 1996 and December 31, 2011 at NYU Winthrop Hospital. "High-volume" was defined as performing >=500 implants over the study period, while "low-volume" was defined as performing <500 implants. Comparisons between the procedure volume groups were performed using Fisher's Exact test, Wilcoxon rank-sum test, and Kaplan-Meier analysis as appropriate. RESULTS: Eight operators participated in the study, four of whom were high-volume operators. Of 3801 patients, a total of 3149 (83%) were operated upon by high-volume operators. Low-volume operators implanted fewer recalled leads (12% vs 42%; P<.001) and more often obtained venous access through the cephalic vein cutdown approach (63% vs 38%; P<.001) than high-volume operators. Kaplan-Meier analysis revealed shorter time to lead failure in the low volume group (P=.02). Time to mortality was not significantly different between the high-volume and low-volume groups (P=.18). When adjusted for lead recall status, patients of high-volume operators were 43% less likely to experience lead failure compared to patients of low-volume operators. CONCLUSIONS: High-volume defibrillator implanters selected a higher percentage of recalled leads, but their patients were less likely to encounter lead failure when adjusted for lead recall status compared to low-volume operators. PMID- 29207367 TI - Subadventitial Advancement of a Mother-and-Child Catheter to Allow Successful Recanalization of a Complex In-Stent Chronic Total Occlusion: Testing the Resistance of the Adventitia. AB - In-stent chronic total occlusion (CTO) represents a challenging lesion subset for percutaneous coronary intervention (PCI), and although a true-to-true lumen crossing is the first-line strategy, a subadventitial approach may become necessary. Here we describe a case of successful in-stent right coronary artery CTO-PCI performed with subadventitial crossing, crushing of the occluded stents, and advancement of a mother-and-child catheter to the distal right coronary artery through the subadventitial space to allow stent delivery. The use of intracoronary imaging in this setting proved crucial to confirm adequate apposition of the newly implanted stents and optimal crushing of the occluded stents. PMID- 29207368 TI - The Reverse T-Stenting and Small Protrusion Technique: A Novel Technique for Coronary Bifurcation Lesions. AB - Bifurcation lesions may be encountered in approximately 15%-20% of percutaneous coronary interventions. A 2-stent approach is required in up to 30% of these procedures. We describe a novel technique based on a modification of TAP stenting, suitable for procedures where a 2-stent strategy is predetermined. PMID- 29207369 TI - Young Athlete With Complex Aneurysmal Coronary Stenosis. AB - Kawasaki disease is an acute vasculitis that occurs predominantly in infants and children younger than 5 years old. If undiagnosed and untreated, the risk of developing coronary artery aneurysms increases to about 20%. In patients who present with angina and are found to have coronary artery aneurysm on imaging and angiography, Kawasaki disease should be considered as one of the leading diagnoses. PMID- 29207370 TI - A Bleeding Heart: Coronary-Cameral Fistula After Septal Myomectomy. AB - Coronary-cameral fistulas are relatively rare communications arising within the coronary vasculature entering into one of the four cardiac chambers. This case highlights a striking angiographic example of coronary-cameral fistula occurring after septal myomectomy, a complication occurring somewhat frequently with typical spontaneous resolution. PMID- 29207371 TI - Caught in Time: When IVC Filters Save Lives. AB - Inferior vena cava filters are indicated in patients with venous thromboembolic disease in whom anticoagulation is a contraindication. This case highlights the importance of inferior vena cava filter placement in patients with extensive proximal deep vein thromboses in order to prevent massive pulmonary emboli, possibly associated with sudden cardiac death. PMID- 29207372 TI - Catheter-Induced Coronary Spasm: Serious But Preventable. AB - While catheter-induced spasm is considered to be rare, it needs to be ruled out (especially in cases of left main stenosis) to avoid unnecessary revascularization. We present a patient where the underlying tendency for coronary spasm was so high, the severe spasm was possibly the underlying cause of a prior cardiac arrest episode. PMID- 29207373 TI - A Novel, Simple, and Safe Technique for Retrieving a Crushed Stent From the Coronary Artery: Balloon-Assisted Stent Retraction. AB - Various percutaneous methods have been described for the retrieval of damaged stents; however, these methods can be complex and carry a risk of stent embolization or vascular damage. We present a simple and safe technique using a compliant balloon for stent retrieval. PMID- 29207374 TI - Age-related gene expression changes, and transcriptome wide association study of physical and cognitive aging traits, in the Lothian Birth Cohort 1936. AB - Gene expression is influenced by both genetic variants and the environment. As individuals age, changes in gene expression may be associated with decline in physical and cognitive abilities. We measured transcriptome-wide expression levels in lymphoblastoid cell lines derived from members of the Lothian Birth Cohort 1936 at mean ages 70 and 76 years. Changes in gene expression levels were identified for 1,741 transcripts in 434 individuals. Gene Ontology enrichment analysis indicated an enrichment of biological processes involved in the immune system. Transcriptome-wide association analysis was performed for eleven cognitive, fitness, and biomedical aging-related traits at age 70 years (N=665 to 781) and with mortality. Transcripts for genes (F2RL3, EMILIN1 and CDC42BPA) previously identified as being differentially methylated or expressed in smoking or smoking-related cancers were overexpressed in smokers compared to non-smokers and the expression of transcripts for genes (HERPUD1, GAB2, FAM167A and GLS) previously associated with stress response, autoimmune disease and cancer were associated with telomere length. No associations between expression levels and other traits, or mortality were identified. PMID- 29207375 TI - Sexually dimorphic effects of dietary sugar on lifespan, feeding and starvation resistance in Drosophila. AB - Lifespan and health in older age are strongly influenced by diet. Feeding Drosophila melanogaster diets high in sugar has increasingly been used as an experimental model to understand the physiological effects of unhealthy, contemporary human diets. Several metabolic parameters and physiological responses to nutrition are known to be dependent on the sex of the animal. However, sexual dimorphism in the responses to high-sugar diets in fruit flies has not been examined. Here we show that a high-sugar diet in Drosophila melanogaster elicits sexually dimorphic effects on feeding behaviour, starvation resistance and lifespan. Females feed less on such diets, while males feed more, and these feeding responses may have secondary consequences. Females, more than males, gain the ability to resist periods of starvation from high-sugar diets, indicating that the female response to excess sugar may be geared towards surviving food shortages in early life. At the same time, female lifespan is more susceptible to the detrimental effects of high sugar diets. Our study reveals differences between Drosophila sexes in their responses to sugar-rich diets, indicating the fruit fly could be used as a model to understand the sexually dimorphic features of human metabolic health. PMID- 29207376 TI - The fat regulator neuropeptide Y and caloric restriction. PMID- 29207377 TI - Polymorphisms in Nonamelogenin Enamel Matrix Genes Are Associated with Dental Fluorosis. AB - The aim of this study was to evaluate whether genetic polymorphisms in AMELX, AMBN, ENAM, TFIP11, and TUFT1 genes are associated with dental fluorosis (DF). A total of 1,017 children from 2 Brazilian cohorts were evaluated. These populations lived in cities with fluoridation of public water supplies. DF was assessed in erupted permanent teeth using the modified Dean index. The polymorphisms rs946252, rs12640848, rs4694075, rs5997096, and rs4970957 were analyzed by real-time PCR from genomic DNA. Associations between DF, genotype, and allele distribution were evaluated using the chi2 test, with an alpha of 5%. The polymorphisms rs4694075, rs5997096, and rs4970957 in AMBN, TFIP11, and TUFT1 were associated with DF (p < 0.05). In conclusion, enamel matrix genes are associated with DF. PMID- 29207378 TI - Characteristics of Hepatocellular Carcinoma Aggressiveness Factors in Turkish Patients. AB - A large cohort of hepatocellular carcinoma (HCC) patients from several collaborating Turkish institutions were examined for the tumor parameters of maximum diameter (MTD), portal vein thrombosis (PVT), and alpha-fetoprotein (AFP) levels. A relationship was found between MTD and blood platelet levels. Patients with large >=5 cm tumors who had normal platelet levels had significantly larger tumors, higher percent of PVT, and significantly lower blood total bilirubin and liver cirrhosis than similar >=5 cm tumor patients having thrombocytopenia. A comparison of patients with and without PVT showed significantly larger tumors, greater multifocality, blood AFP, and C-reactive protein levels, and, interestingly, lower HDL levels in the patients with PVT. Fifty-eight percent of the total cohort had AFP levels <=100 IU/mL (and 42.1% had values <=20 IU/mL). These patients had significantly smaller tumors, less tumor multifocality and percent PVT, lower total bilirubin, and less cirrhosis. There was considerable geographic heterogeneity within Turkey in the patterns of HCC presentation, with areas of higher and lower hepatitis B virus, hepatitis D virus, cirrhosis, and tumor aggressiveness parameters. Turkish patients thus have distinct patterns of presentation, but the biological relationships between MTD and both platelets and bilirubin levels are similar to the relationships that have been reported in other ethnic patient groups. PMID- 29207380 TI - Body Mass Index and Olfactory Fossa Depth in Patients with and without Spontaneous Cerebrospinal Fluid Leaks. AB - BACKGROUND/AIMS: Spontaneous cerebrospinal fluid (SCSF) leaks are associated with a high body mass index (BMI) and an expanded skull base. The purpose of this study is to determine if a correlation exists between BMI and olfactory fossa depth (OFD) in patients with SCSF leaks and those without. METHODS: This is a cross-sectional study evaluating the correlation between OFD and BMI in patients with and without SCSF leaks. OFD was measured on computed tomography obtained in temporal proximity to the BMI. RESULTS: Patients with SCSF leaks had a deeper mean OFD than controls (6.39 vs. 5.46 mm, p = 0.013) and a larger BMI (38.2 vs. 30.5, p = 0.0003). Pearson correlation was positive between BMI and OFD in women from the control group (R = 0.319, n = 93, p = 0.002 on the left; R = 0.313, n = 93, p = 0.002 on the right) but insignificant in men. CONCLUSIONS: The olfactory fossa is deeper and the BMI higher in patients with SCSF leaks than in those without. Differences were statistically significant. Higher BMI may predict deeper olfactory fossa in women but not in men. These findings suggest expansion of weak points in the skull base as precursors to the development of SCSF leaks in response to elevated CSF pressures, particularly in women. PMID- 29207379 TI - Practical Recommendations of the Obesity Management Task Force of the European Association for the Study of Obesity for the Post-Bariatric Surgery Medical Management. AB - Bariatric surgery is today the most effective long-term therapy for the management of patients with severe obesity, and its use is recommended by the relevant guidelines of the management of obesity in adults. Bariatric surgery is in general safe and effective, but it can cause new clinical problems and is associated with specific diagnostic, preventive and therapeutic needs. For clinicians, the acquisition of special knowledge and skills is required in order to deliver appropriate and effective care to the post-bariatric patient. In the present recommendations, the basic notions needed to provide first-level adequate medical care to post-bariatric patients are summarised. Basic information about nutrition, management of co-morbidities, pregnancy, psychological issues as well as weight regain prevention and management is derived from current evidences and existing guidelines. A short list of clinical practical recommendations is included for each item. It remains clear that referral to a bariatric multidisciplinary centre, preferably the one performing the original procedure, should be considered in case of more complex clinical situations. PMID- 29207382 TI - Incidental Septostomy after Laser Surgery for Twin-Twin Transfusion Syndrome: Perinatal Outcomes and Antenatal Management. AB - INTRODUCTION: Incidental septostomy, or inadvertent perforation of the twins' dividing membranes, can create a functional monoamniotic twin pregnancy. Our aim was to describe the perinatal outcomes and antenatal management of patients with incidental septostomy after laser surgery for twin-twin transfusion syndrome (TTTS). MATERIALS AND METHODS: Monochorionic diamniotic multiple gestations with a gestational age (GA) between 16 and 26 weeks that underwent laser surgery from March 2006 to December 2015 were studied retrospectively. Perinatal outcomes were compared for patients with and without an incidental septostomy. A subgroup analysis was performed to evaluate antenatal management. RESULTS: Of 532 TTTS patients who underwent laser surgery, incidental septostomy occurred in 34 (6.4%). Compared to all others, patients with a septostomy had an earlier median (range) GA at delivery (30.8 [18.6-37.9] vs. 34.0 [19.3-40.4] weeks, p < 0.0001) and lower 30-day survival of at least one twin (85.3 vs. 94.6%, p = 0.0452). We found no evidence that inpatient fetal surveillance was protective. DISCUSSION: Incidental septostomy in TTTS patients treated via laser surgery appeared to be associated with lower GA at delivery and perinatal survival of at least one twin. Further study is required to determine the optimal antenatal surveillance strategy. PMID- 29207381 TI - Alicaforsen, an Antisense Inhibitor of Intercellular Adhesion Molecule-1, in the Treatment for Left-Sided Ulcerative Colitis and Ulcerative Proctitis. AB - BACKGROUND: Data on the efficacy of intercellular adhesion molecule-1 antisense oligonucleotide alicaforsen in ulcerative colitis (UC) is inconsistent. METHODS: All patients, who had received at least one dose of alicaforsen, were analyzed retrospectively. Alicaforsen's efficacy was assessed in patients treated for left sided UC and proctitis by comparing clinical and (if applicable) endoscopic disease activity before/after treatment. RESULTS: Twelve patients were treated for left-sided UC or proctitis. Eleven patients received a 6-week course of a once-daily 240 mg alicaforsen enema formulation. In 1 patient, treatment was discontinued, because it was found to be inefficient. Disease activity measured by the partial Mayo score and 6-point symptom score was significantly reduced after treatment (6.0 vs. 2.4, p = 0.011 and 3.7 vs. 1.4, p = 0.008). Faecal calprotectin showed a trend towards reduction (484.4 vs. 179.5 MUg/g, p = 0.063). Clinical improvement was achieved in 10 patients (83.3%). In 7 patients, a relapse occurred (70%). Median duration of clinical improvement was 18.0 weeks (range 1-112). Three patients showed an ongoing improvement of >9 months. No adverse events were reported. CONCLUSIONS: A 6-week course of alicaforsen seemed to be safe and efficacious in inducing clinical improvement in patients with left sided UC and proctitis. Prolonged clinical improvement was observed in many but not all patients. PMID- 29207383 TI - Thoracic Changes after Full Laser Ablation of the Feeding Artery in Fetuses with Bronchopulmonary Sequestration. AB - OBJECTIVE: To assess longitudinal intrathoracic changes after fetal laser surgery in fetuses with bronchopulmonary sequestration (BPS) with hydrops and/or hydrothorax. STUDY DESIGN: The presence of intrafetal fluid effusions, the lung mass volume ratio (congenital pulmonary airway malformation volume ratio [CVR]), and the observed/expected lung-to-head circumference ratio (O/E-LHR) of both lungs were evaluated in a cohort of BPS fetuses with hydrops and/or hydrothorax treated with full laser ablation of the feeding artery (FLAFA). The longitudinal changes in intrafetal fluid effusions, lung mass volume, and pulmonary growth were analyzed by survival and multilevel analysis against days after FLAFA. RESULTS: FLAFA was successfully performed in 15 cases at a median gestational age of 26.9 weeks. A complete disappearance of the hydrops and hydrothorax was observed a median interval of 7.5 and 21 days after the fetal intervention, respectively. A progressive decrease in the CVR and an increment in the size of both lungs were observed after FLAFA. The O/E-LHR of the lung contralateral and ipsilateral to the side of the BPS became normal on average 8 and 10 weeks after FLAFA, respectively. CONCLUSION: Fetal laser surgery with FLAFA promotes disappearance of all fetal fluid effusions, a lung mass regression sequence, and a normalization of pulmonary growth. PMID- 29207384 TI - SLC2A1 Tag SNPs in Greek Patients with Diabetic Retinopathy and Nephropathy. AB - : Backround: Genetic variants are implicated in the development of diabetic retinopathy (DR) and nephropathy (DN). The role of solute carrier family 2 facilitated glucose transporter member 1 (SLC2A1), also known as glucose transporter (GLUT1), on DR and DN remain controversial. OBJECTIVE: Examination of the influence of tag SLC2A1 single-nucleotide polymorphisms (SNPs) on the development of DR and DN during the course of type 2 diabetes mellitus (T2DM). METHODS: A total of 169 patients with DR or DN, 107 uncomplicated T2DM patients, and 315 controls were recruited and genotyped for 14 SLC2A1 tag SNPs. SNPs and haplotypes were tested for associations with microvascular diabetes' complications. RESULTS: rs3768029 TT genotype was associated with a lower risk of DR + DN, compared to the CC wild-type (p = 0.0024). Moreover, CT and TT rs841847 genotypes were associated with a higher risk of DR + DN compared to the CC genotype (p = 0.0028). A common haplotype (GGCCCGCATCAAT) was associated with an increased risk of DR, DN, DR +/- DN, and DR + DN phenotypes. Mutational loads of rs3768029, rs3729548, rs841853, and rs841847 were found to influence the development of microvascular complications during the T2DM course. CONCLUSIONS: This study provides evidence that SLC2A1 gene variants might be implicated in the development of T2DM microvascular complications. PMID- 29207385 TI - Real or Perceived: Hyperkalemia Is a Major Deterrent for Renin-Angiotensin Aldosterone System Inhibition in Heart Failure. PMID- 29207386 TI - Follow-Up of Asymptomatic High-Risk Patients with Normal Cervical Length to Predict Recurrence of Preterm Birth. AB - BACKGROUND: A midtrimester cervical length (CL) <25 mm is associated with spontaneous preterm birth (sPTB). However, as CL >=25 mm is not enough to exclude recurrence in high-risk patients, follow-up CL measurement later in pregnancy has been proposed. OBJECTIVES: To evaluate whether CL measurement at 26+/-1 weeks in asymptomatic high-risk patients improves the prediction of sPTB recurrence. METHODS: A retrospective cohort of high-risk women because of previous sPTB was analyzed. Patients with a CL >=25 mm at 20+/-1 weeks and subsequent CL measurement at 26+/-1 weeks were included. The exclusion criteria were incomplete follow-up, any treatment before CL assessments, and medically indicated preterm birth. The association and predictive performance of CL at 26+/-1 weeks for sPTB was studied. RESULTS: Of 131 patients with a CL measurement at 26+/-1 weeks, 19 and 4.6% presented sPTB before 37 and 34 weeks, respectively. The rate of sPTB before 37 weeks was higher in women with a CL <25 mm (37.5 vs. 16.5%, RR 2.3 [1.07-4.8], p = 0.045), although the detection rate of CL at 26+/-1 weeks to predict sPTB before 37 weeks was 24% (95% CI 10-46%). The performance did not improve regardless of the selected cutoff. CONCLUSIONS: In asymptomatic high-risk patients, CL <25 mm at 26+/-1 weeks is associated with higher risk of sPTB. However, the prediction of recurrence by CL was low and did not improve, regardless of the selected cutoff. PMID- 29207387 TI - Comparative Effects of Education and Bilingualism on the Onset of Mild Cognitive Impairment. AB - BACKGROUND: Increasing evidence suggests that life course factors such as education and bilingualism may have a protective role against dementia due to Alzheimer disease. This study aimed to compare the effects of education and bilingualism on the onset of cognitive decline at the stage of mild cognitive impairment (MCI). METHODS: A total of 115 patients with MCI evaluated in a specialty memory clinic in Hyderabad, India, formed the cohort. MCI was diagnosed according to Petersen's criteria following clinical evaluation and brain imaging. Age at onset of MCI was compared between bilinguals and monolinguals, and across subjects with high and low levels of education, adjusting for possible confounding variables. RESULTS: The bilingual MCI patients were found to have a clinical onset of cognitive complaints 7.4 years later than monolinguals (65.2 vs. 58.1 years; p = 0.004), while years of education was not associated with delayed onset (1-10 years of education, 59.1 years; 11-15 years of education, 62.6 years; >15 years of education, 62.2 years; p = 0.426). CONCLUSION: The effect of bilingualism is protective against cognitive decline, and lies along a continuum from normal to pathological states. In comparison, the role of years of education is less robust. PMID- 29207388 TI - Resveratrol Does Not Protect from Ischemia-Induced Acute Kidney Injury in an in Vivo Rat Model. AB - BACKGROUND/AIMS: The natural polyphenol resveratrol (RSV) has been shown to ameliorate ischemia/reperfusion (I/R)-induced damage. Therefore, a rat model of I/R-induced AKI equipped with intensive monitoring was utilized to examine direct renal protection by RSV in vivo. METHODS: AKI was induced by bilateral renal clamping (45 min) followed by reperfusion (3 h). Solvent-free RSV was continuously infused intravenously (0.056 and 0.28 mg/kg) in a total volume of 7 ml/kg/h starting from 30 min before renal clamping. At a mean arterial blood pressure below 70 mmHg for more than 5 min, bolus injections of 0.5 ml 0.9% NaCl solution were administered repetitively (max. 5 ml/kg/h). RESULTS: No differences could be found between normoxic control groups with/without RSV. Bilateral renal clamping and subsequent reperfusion caused a progressive rise in creatinine, cystatin C, and CK, a decrease in cellular ATP content and diuresis. Infusion of RSV increased sirtuin 1 expression after ischemia/reperfusion and was associated with decreased blood pressure during ischemia and early reperfusion accompanied by an increased requirement of bolus injections as well as with increased expression of TNFalpha. CONCLUSION: RSV did not exert protective effects on I/R induced AKI in the present short-term in vivo rat model. The lack of protection is potentially connected to aggravation of blood pressure instability. PMID- 29207391 TI - Tooth Extraction Locally Stimulates Proliferation of Multiple Myeloma in a Patient with Mandibular Localizations. AB - OBJECTIVES: Multiple myeloma (MM) is characterized by the occurrence of osteolytic lesions. MM treatment usually involves antiresorptive drugs (mainly bisphosphonates). CASE REPORT: A patient with an MM presented osteolytic lesions of the mandible. Extraction of teeth 45 and 46 was performed 5 years after the diagnosis of periodontitis. Four months later, osteonecrosis of the jaw (ONJ) was diagnosed at the extraction site. X-ray showed an extension of osteolytic lesions on the right side, close to the extraction site, without modification of the lesions on the left side. Two months later, a curettage was performed because of a painful bone sequestration. X-ray showed an extension of the osteolytic lesions on the right side. RESULTS: Histological analysis found a vascularized plasmacytoma of the soft tissues around the ONJ. Analysis of the bone showed mixed lesions with osteonecrotic areas and living bone resorbed by active osteoclasts surrounding a plasmacytoma. The surface area of the osteolytic foci has considerably increased only close to the extraction site. CONCLUSIONS: Tooth extraction triggered an ONJ associated with bisphosphonate treatment. However, it also seemed to induce a considerable proliferation of plasma cells at the extraction site; we hypothesize that it is due to the increase in bone remodeling related to the surgical trauma. PMID- 29207392 TI - Distinct Roles of Endothelial Dysfunction and Inflammation in Intracranial Atherosclerotic Stroke. AB - BACKGROUND/AIMS: The aim of the study was to evaluate the differential roles of endothelial dysfunction and inflammation in intracranial atherosclerotic stroke (ICAS). METHODS: We prospectively recruited 262 patients with acute cerebral infarcts caused by ICAS and 75 individuals with no history of stroke as controls. Markers of endothelial dysfunction (asymmetric dimethylarginine, ADMA) and inflammation (lipoprotein-associated phospholipase A2, Lp-PLA2) were measured. Acute ischemic lesions were measured in terms of their size, composition, and patterns. Subclinical microangiopathy (degree of leukoaraiosis) and macroangiopathy (presence/number of asymptomatic stenoses) were graded in each patient. RESULTS: Compared to normal controls, serum levels of ADMA (0.69 +/- 0.14 vs. 0.47 +/- 0.10, p < 0.001) and Lp-PLA2 (138.1 +/- 116.8 vs. 19.0 +/- 58.0, p < 0.001) were elevated in patients with ICAS. A high ADMA serum level was associated with greater prevalence of preclinical microangiopathy and macroangiopathy. Contrastingly, an elevated serum Lp-PLA2 level was associated with larger ischemic lesions, a greater number of lesions, and a larger cortical pattern. CONCLUSIONS: Endothelial dysfunction and inflammation have distinct effects in ICAS patents; endothelial dysfunction is associated with the underlying micro- and macro-atherosclerotic burden, whereas inflammation is associated with acute infarct volume and pattern. PMID- 29207393 TI - How Virtue Was Born. AB - This paper summarizes the Opening Lecture of the European Forum Alpbach 2017 in Tyrol/Austria (https://www.alpbach.org/de/). It deals with the evolution of cooperation throughout the history of life on Earth, and in particular human cooperation based on partnership. It emphasizes the role of institutions providing incentives for cooperation, and the role of praise and blame in guiding our actions. This helps for a better understanding of the social contract, based on evolutionary biology and psychology. PMID- 29207394 TI - Cumulative Effect of Obesogenic Behaviours on Adiposity in Spanish Children and Adolescents. AB - OBJECTIVE: Little is known about the cumulative effect of obesogenic behaviours on childhood obesity risk. We determined the cumulative effect on BMI z-score, waist-to-height ratio (WHtR), overweight and abdominal obesity of four lifestyle behaviours that have been linked to obesity. METHODS: In this cross-sectional analysis, data were obtained from the EnKid sudy, a representative sample of Spanish youth. The study included 1,614 boys and girls aged 5-18 years. Weight, height and waist circumference were measured. Physical activity (PA), screen time, breakfast consumption and meal frequency were self-reported on structured questionnaires. Obesogenic behaviours were defined as <1 h PA/day, >=2 h/day screen time, skipping breakfast and <3 meals/day. BMI z-score was computed using age- and sex-specific reference values from the World Health Organization (WHO). Overweight including obesity was defined as a BMI > 1 SD from the mean of the WHO reference population. Abdominal obesity was defined as a WHtR >= 0.5. RESULTS: High screen time was the most prominent obesogenic behaviour (49.7%), followed by low physical activity (22.4%), low meal frequency (14.4%), and skipping breakfast (12.5%). Although 33% of participants were free of all 4 obesogenic behaviours, 1, 2, and 3 or 4 behaviours were reported by 44.5%, 19.3%, and 5.0%, respectively. BMI z-score and WHtR were positively associated (p < 0.001) with increasing numbers of concurrent obesogenic behaviours. The odds of presenting with obesogenic behaviours were significantly higher in children who were overweight (OR 2.68; 95% CI 1.50; 4.80) or had abdominal obesity (OR 2.12; 95% CI 1.28; 3.52); they reported more than 2 obesogenic behaviours. High maternal and parental education was inversely associated (p = 0.004 and p < 0.001, respectively) with increasing presence of obesogenic behaviours. Surrogate markers of adiposity increased with numbers of concurrent presence of obesogenic behaviours. The opposite was true for high maternal and paternal education. PMID- 29207395 TI - Adiponectin and Its Receptors Are Differentially Expressed in Human Tissues and Cell Lines of Distinct Origin. AB - BACKGROUND: Adiponectin is secreted by adipose tissue and exerts high abundance and an anti-inflammatory potential. However, only little information exists about the expression profiles of adiponectin and its recently identified receptor CDH13 in non-tumorous human tissues and their association to clinical parameters. METHODS: The expression levels of adiponectin and CDH13 were analyzed in heart, liver, kidney, spleen, skin, blood vessels, peripheral nerve and bone marrow of 21 human body donors, in 12 human cell lines, and in purified immune effector cell populations of healthy blood donors by immunohistochemistry, Western-blot, and semi-quantitative PCR. The obtained results were then correlated to clinical parameters, including age, sex and known diseases like cardiovascular and renal diseases. RESULTS: Adiponectin expression in renal corpuscles was significantly higher in humans with known renal diseases. A coordinated expression of adiponectin and CDH13 was observed in the myocard. High levels of adiponectin could be detected in the bone marrow, in certain lymphoid tumor cell lines and in purified immune effector cell populations of healthy donors, in particular in cytotoxic T cells. CONCLUSION: For the first time, the expression profiles of adiponectin and CDH13 are analyzed in many human tissues in correlation to each other and to clinical parameters. PMID- 29207396 TI - Instrumentalization of Eating Improves Weight Loss Maintenance in Obesity. AB - AIM: The purpose of this study was to identify psychosocial determinants for maintaining weight loss. METHODS: 42 obese individuals who achieved a 12% weight loss before entering a 52-week weight maintenance program were interviewed qualitatively. Psychosocial factors related to weight loss maintenance were identified in two contrasting groups: weight reducers and weight regainers. Groups were defined by health-relevant weight maintenance (additional weight loss > 3% at week 52, n = 9 versus weight gain > 3%, at week 52, n = 20). RESULTS: Weight reducers reported structured meal patterns (p = 0.008), no comfort eating (p = 0.016) and less psychosocial stress (p = 0.04) compared to weight regainers. The ability to instrumentalize eating behavior emerged as an important factor (p = 0.007). Nutritional knowledge, motivation or exercise level did not differ between groups (p > 0.05). CONCLUSIONS: Successful weight loss maintenance was associated with an interplay between behavioral, affective and contextual changes. 'Instrumentalization of eating behavior' seems to be an important element in long-term weight maintenance. PMID- 29207397 TI - Relationship of Serum Fetuin A with Metabolic and Clinical Parameters in German Children and Adolescents with Type 1 Diabetes. AB - BACKGROUND AND AIM: The hepatokine fetuin A is upregulated in the metabolic syndrome and in type 2 diabetes (T2D), while its role in adolescent type 1 diabetes (T1D) is unclear. We assessed the relationship between circulating fetuin A levels and metabolic control, comorbidities, and complications in adolescent T1D patients. METHODS: We studied the relationship between serum fetuin A and clinical diabetes-related data from the DPV registry (Diabetes-Pa tienten-Verlaufsdokumentation) in 172 adolescent T1D patients with early-onset (<5 years) long-standing (>10 years) T1D. Fetuin A levels were further compared between adolescent T1D and T2D patients. RESULTS: Serum fetuin A levels in T1D patients (mean 0.267 +/- 0.043 g/L) did not correlate with age, diabetes duration, gender, body mass index (BMI), glycated hemoglobin, serum lipid levels, blood pressure, celiac or thyroid disease, nephropathy, or retinopathy. An association of fetuin A levels with insulin requirements was only evident within the subgroup of overweight T1D patients (rs = 0.439, p = 0.028, n = 25, BMI >90th percentile), disappearing after adjustment for multiple testing. Adolescent T1D patients showed distinctly lower fetuin A levels than patients with T2D (p <= 0.001). CONCLUSION: Overall, we did not observe a clinically relevant association of fetuin A levels with surrogate parameters for insulin sensitivity in our juvenile T1D cohort. A correlation with insulin requirements was detectable in overweight patients only. We hypothesize that multiple factors, such as obesity, puberty, inadequate metabolic control, and hepatic steatosis, have to add up before a clinically relevant effect of fetuin A on insulin sensitivity becomes evident. PMID- 29207398 TI - Involvement of N-Methyl-D-Aspartic Acid Receptor and DL-alpha-Amino-3-Hydroxy-5- Methyl-4-Isoxazole Propionic Acid Receptor in Ginsenosides Rb1 and Rb3 against Oxygen-Glucose Deprivation-Induced Injury in Hippocampal Slices from Rat. AB - OBJECTIVE: Ginsenosides, Rb1 and Rb3, are the major protopanaxadiol components of ginseng saponin. In the present study, the influences of ginsenosides Rb1 and Rb3 on N-methyl-D-aspartic acid (NMDA) receptor or DL-alpha-amino-3-hydroxy-5-methyl 4-isoxazole propionic acid (AMPA) receptor-mediated synaptic transmission after oxygen-glucose deprivation (OGD) were investigated. METHODS: NMDA receptor population spike (NMDA-PS) or AMPA receptor-mediated population spike (AMPA-PS) was recorded in the CA1 pyramidal cell layer of rat hippocampal slices by electrophysiological techniques. RESULTS: Under normal conditions, ginsenosides Rb3 and Rb1 depressed glutamate receptors-mediated synaptic transmission. Fourteen min of OGD resulted in a poor recovery amplitude of NMDA-PS or AMPA-PS after reoxygenation. Ginsenoside Rb3 significantly delayed the appearance of transient recovery of PS during OGD, and improved the recovery amplitudes of NMDA PS and AMPA-PS after reoxygenation. However, the similar protective effects of ginsenoside Rb1 were observed only on NMDA-PS but not AMPA-PS. CONCLUSION: These results suggest that ginsenosides Rb1 and Rb3 have the different inhibitions on NMDA and AMPA receptors-mediated response, which may partially explain the different protective effects of these agents on ischemic neuronal death. PMID- 29207404 TI - Cognitive Development in Pediatric Epilepsy Surgery. AB - Epilepsy surgery is a very effective treatment option for children and adolescents with drug-resistant structural epilepsy, resulting in seizure freedom in the majority of cases. Beyond seizure freedom, the postsurgical stabilization or even improvement of cognitive development constitutes a fundamental objective. This study aims to address key features of cognitive development in the context of pediatric epilepsy surgery. Many surgical candidates present with severe developmental delay and cognitive deficits prior to surgery. Recent studies support that global cognitive development remains stable after surgery. Individual developmental trajectories are determined by the degree of presurgical developmental impairment, age at surgery, seizure freedom, antiepileptic drug tapering, and other case-specific factors. Compared with adults, children may better compensate for temporary postsurgical deficits in circumscribed cognitive functions such as memory. Particularly for left-sided temporal resections, children present a clear advantage in terms of postsurgical recovery with regard to verbal learning compared with adults. In the case of severe presurgical developmental impairment, minimal postsurgical improvements are often not measurable, although they are evident to patients' families and have a large impact on their quality of life. Multicenter studies with a standardized assessment protocol and longer follow-up intervals are urgently called for to provide deeper insights into the cognitive development after epilepsy surgery, to analyze the interaction between different predictors, and to facilitate the selection of appropriate candidates as well as the counseling of families. PMID- 29207405 TI - [Correction: Glove Disinfection: Knowledge, Experiences and Attitudes of Hygiene Team Members and Company Physicians]. PMID- 29207406 TI - Double-clip counter-traction using a rubber band is a useful and adaptive tool for colonic endoscopic submucosal dissection. PMID- 29207407 TI - Triple stenting to treat a complete Wirsung-to-jejunum anastomotic leak after pancreaticoduodenectomy. PMID- 29207408 TI - Joshua P. Klein, MD, PhD, FANA, FASN, FAAN. PMID- 29207409 TI - Neuroimaging. PMID- 29207411 TI - Magnetic Resonance Spectroscopy as a Biomarker for Chronic Traumatic Encephalopathy. PMID- 29207410 TI - Functional Networks in Disorders of Consciousness. AB - Severe brain injury may cause disruption of neural networks that sustain arousal and awareness, the two essential components of consciousness. Despite the potentially devastating immediate and long-term consequences, disorders of consciousness (DoC) are poorly understood in terms of their underlying neurobiology, the relationship between pathophysiology and recovery, and the predictors of treatment efficacy. Recent advances in neuroimaging techniques have enabled the study of network connectivity, providing great potential to improve the clinical care of patients with DoC. Initial discoveries in this field were made using positron emission tomography (PET). More recently, functional magnetic resonance (fMRI) techniques have added to our understanding of functional network dynamics in this population. Both methods have shown that whether at rest or performing a goal-oriented task, functional networks essential for processing intrinsic thoughts and extrinsic stimuli are disrupted in patients with DoC compared with healthy subjects. Atypical connectivity has been well established in the default mode network as well as in other cortical and subcortical networks that may be required for consciousness. Moreover, the degree of altered connectivity may be related to the severity of impaired consciousness, and recovery of consciousness has been shown to be associated with restoration of connectivity. In this review, we discuss PET and fMRI studies of functional and effective connectivity in patients with DoC and suggest how this field can move toward clinical application of functional network mapping in the future. PMID- 29207413 TI - Advances in Imaging Multiple Sclerosis. PMID- 29207414 TI - TSPO-PET Imaging to Assess Cerebral Microglial Activation in Multiple Sclerosis. PMID- 29207415 TI - Acute Stroke Multimodal Imaging: Present and Potential Applications toward Advancing Care. PMID- 29207416 TI - Advances in Neuro-Ophthalmic Imaging. PMID- 29207417 TI - Imaging for Epilepsy Surgery. PMID- 29207418 TI - Neuroimaging of Brain Tumors: Pseudoprogression, Pseudoresponse, and Delayed Effects of Chemotherapy and Radiation. PMID- 29207419 TI - Clinical Experience with the Implementation of Accurate Measurement of Blood Loss during Cesarean Delivery: Influences on Hemorrhage Recognition and Allogeneic Transfusion. AB - OBJECTIVE: This article compares hemorrhage recognition and transfusion using accurate, contemporaneous blood loss measurement versus visual estimation during cesarean deliveries. STUDY DESIGN: A retrospective cohort study using visually estimated blood loss (traditional, n = 2,025) versus estimates using a mobile application that photographs sponges and canisters and calculates their hemoglobin content (device, n = 756). RESULTS: Blood loss > 1,000 mL was recognized in 1.9% of traditional visual estimation patients, while measured blood loss of > 1,000 mL occurred in 8.2% of device patients (p < 0.0001). In both groups, this was accompanied by a greater decrease in transfusion-adjusted hemoglobin levels than occurred in patients without hemorrhage (p < 0.0001). Despite similar transfusion rates (1.6% in both groups), fewer red cell units were given to transfused patients in the device group (1.83 +/- 0.58 versus 2.56 +/- 1.68 units; p = 0.038). None of the patients in the device group received plasma or cryoprecipitate. Seven patients in the traditional group received these products (p = 0.088). Device use was associated with shorter hospital stays (4.0 +/- 2.3 versus 4.4 +/- 2.9 days; p = 0.0006). CONCLUSION: The device identified hemorrhages more frequently than visual estimation. Device-detected hemorrhages appeared clinically relevant. Blood product transfusion was reduced possibly due to earlier recognition and treatment, although further studies are needed to verify the conclusion. PMID- 29207420 TI - [Internal Medicine - from Guidelines to "Choosing Wisely"]. PMID- 29207412 TI - Neuroimaging in Dementia. PMID- 29207421 TI - [Management of Lymphedema]. PMID- 29207422 TI - [Pheochromocytoma - Current Recommendations on Diagnostics, Therapy and Follow up]. PMID- 29207423 TI - [Addiction in Old Age]. PMID- 29207424 TI - [Current Aspects of Diagnosis and Treatment of Lung Cancer]. PMID- 29207425 TI - [Update on Uncomplicated Urinary Tract Infections - New Guideline 2017]. PMID- 29207426 TI - [Management of Delirium in the Intensive Care Unit]. PMID- 29207427 TI - [2016 ESC Position Paper on Cancer Treatments and Cardiovascular Toxicity]. PMID- 29207428 TI - [Primary and Secondary Glomerular Diseases - Update 2017]. PMID- 29207429 TI - [Rheumatoid Arthritis - New Treatment Options]. PMID- 29207430 TI - [Novel Developments in Autoimmune Liver Diseases]. PMID- 29207431 TI - [79-Year-Old Male Patient in Reduced General Condition with a Pronounced Cough]. PMID- 29207432 TI - [Sonography of the Optic Nerve: a New Bedside Tool in Intensive Care?] AB - History and clinical findings Here, we present the case history of a 76-year old man with out-of-hospital cardiac arrest due to a cardiogenic shock and a consecutive no-flow-time of approximately 10 minutes. After 25 minutes of resuscitation procedures a spontaneous return of circulation could be established. The patient was admitted to our center for emergency coronary angiography. After coronary stenting the patient was admitted to our intensive care unit and treated in accordance with the guidelines on cardiogenic shock due to myocardial infarction. Therapy and course After therapeutic hypothermia and subsequent termination of analgosedation a delayed wake-up reaction could be remarked. In the laboratory chemistry the initial parameter of neuron-specific enolase, a marker for cerebral hypoxia, was increased. Measurement of the optic nerve sheath diameter with a maximum diameter of 7 mm indicated an increased intracranial pressure. In the subsequent CT scan of the brain signs of hypoxic encephalopathy with breakup of grey and white matter differentiation were present. Conclusions In case of clinical and/or laboratory-chemical indications for hypoxic encephalopathy and/or increased intracranial pressure the bedside based sonography examination at the intensive care unit should imply an evaluation of the optic nerve in order to initiate early apparative neurological diagnostics. PMID- 29207433 TI - [From the History of the German Society of Internal Medicine (DGIM) - Part 1: The DGIM in the Nazi era]. AB - 51 years after its founding in 1882, the "Congress for Internal Medicine", 1920 renamed "German Society for Internal Medicine (DGIM)", fell into heavy water. While during the Kaiserreich and the Weimar Republic the medical care for the individual patient had never been seriously questioned, the proclaimed "Third Reich" brought fundamental changes. The 1164 male and 13 female physicians, who had been organized in the DGIM 1933, had to position themselves in the Nazi dictatorship. The same applied for the society as a whole.The behavior of the German Society of Internal Medicine during the Nazi period is disenchanting. The society completely subordinated to the Nazi regime. The scientific program of the meetings was oriented to the ideological interests of the regime. Solidarity with nazi-persecuted people is only apparent in rare cases. On the contrary, even DGIM chairmen were involved in expulsions and NS-medical crimes. Cautious criticism was limited to a few areas, such as the "Neue Deutsche Heilkunde" ("New German Healing") and the study conditions at the universities. Only individual DGIM members developed oppositional behavior on the basis of personal conviction.In accordance with the more recent research on the Nazi era, these results both clarify and broaden the picture of scientific organizations in general and medical societies in particular. PMID- 29207435 TI - Iron Pharmacokinetics in Women with Iron Deficiency Anaemia Following A Single Oral Dose of a Novel Formulation of Tardyferon (Prolonged Release Ferrous Sulphate). PMID- 29207434 TI - Role of Endovascular Aortic Repair in the Treatment of Infected Aortic Aneurysms Complicated by Aortoenteric or Aortobronchial Fistulae. AB - BACKGROUND: The aim of this study was to compare outcomes and identify factors related to increased mortality of open surgical and endovascular aortic repair (EVAR) of primary mycotic aortic aneurysms complicated by aortoenteric fistula (AEF) or aortobronchial fistula (ABF). METHODS: Patients with primary mycotic aortic aneurysms complicated by an AEF or ABF treated by open surgery or endovascular repair between January 1993 and January 2014 were retrospectively reviewed. Outcomes were compared between the open surgery and endovascular groups, and a Cox's proportional hazard model was used to determine factors associated with mortality. RESULTS: A total of 29 patients included 14 received open surgery and 15 received endovascular repair. Positive initial bacterial blood culture results included Salmonella spp., oxacillin-resistant Staphylococcus aureus, and Klebsiella pneumoniae. Mortality within 1 month of surgery was higher in the open surgery than in the endovascular group (43 vs. 7%, respectively, p = 0.035). Shock, additional surgery to repair gastrointestinal (GI) or airway pathology, and aneurysm rupture were associated with a higher risk of death. Compared with patients without resection surgery, the adjusted hazard ratio of death within 4 years in patients with resection for GI/bronchial disease was 0.25. Survival within 6 months was better in the endovascular group (p = 0.016). CONCLUSION: The results of this study showed that EVAR/thoracic EVAR (TEVAR) is feasible for the management of infected aortic aneurysms complicated by an AEF or ABF, and results in good short-term outcomes. However, EVAR/TEVAR did not benefit long-term survival compared with open surgery. PMID- 29207436 TI - [Dysphagia in a patient with postcricoidal lesion]. PMID- 29207437 TI - Unfavourable outcome of glucocorticoid treatment in suspected idiopathic pulmonary fibrosis. AB - BACKGROUND AND OBJECTIVE: The diagnostic classification of 'possible idiopathic pulmonary fibrosis (posIPF)' is characterized by a radiological pattern of inconsistent usual interstitial pneumonia (UIP) on high-resolution computed tomography (HRCT) scan and a UIP pattern in surgical lung biopsy (SLB). The evidence base to guide treatment for patients with posIPF is lacking; the clinician must choose between observation, treatment with immunomodulatory agents or anti-fibrotic agents. METHODS: To evaluate outcomes of immunomodulatory treatment, a multicentre cohort of 59 posIPF patients treated with prednisone was analysed retrospectively. Prednisone starting dose was 0.5 mg/kg/day and tapered to 0.15 mg/day/kg over 6 months. Outcome measures were forced vital capacity (FVC) and serious adverse events (SAE), defined as death or hospital admissions. RESULTS: The majority of prednisone-treated posIPF patients were non-responders (68%) with a decrease in FVC >5% or death within 6 months from baseline; 90% of patients with radiographical presence of honeycombing were non-responders. In contrast, six out of seven patients with focal desquamative interstitial pneumonia-like reaction in the SLB who had stopped smoking for <5 years ago were responders to prednisone, demonstrating <5% FVC decline. The mean decline of FVC was 8.7% (95% CI: 3.1-14.3%) before treatment and 20% (95% CI: 9.4-31.1%) after treatment (P = 0.018) in the 32 patients with available FVC data. Twelve SAE occurred within the first 3 months on prednisone (at dosage >0.3 mg/kg/day), including five deaths. CONCLUSION: Patients with posIPF demonstrated an accelerated FVC decline and a substantial number of SAE on steroid therapy. PMID- 29207439 TI - The world of molecular data is not enough - we still need more algal ultrastructure. PMID- 29207438 TI - Caterpillars induce jasmonates in flowers and alter plant responses to a second attacker. AB - In nature, herbivorous insects and plant pathogens are generally abundant when plants are flowering. Thus, plants face a diversity of attackers during their reproductive phase. Plant responses to one attacker can interfere with responses to a second attacker, and phytohormones that orchestrate plant reproduction are also involved in resistance to insect and pathogen attack. We quantified phytohormonal responses of flowering plants exposed to single or dual attack and studied resistance mechanisms of plants in the flowering stage. Flowering Brassica nigra were exposed to either a chewing caterpillar, a phloem-feeding aphid or a bacterial pathogen, and plant hormonal responses were compared with dual attack situations. We quantified phytohormones in inflorescences and leaves, and determined the consequences of hormonal changes for components of direct and indirect plant resistance. Caterpillars were the main inducers of jasmonates in inflorescences, and the phytohormonal profile of leaves was not affected by either insect or pathogen attack. Dual attack increased plant resistance to caterpillars, but compromised resistance to aphids. Parasitoid performance was negatively correlated with the performance of their hosts. We conclude that plants prioritize resistance of reproductive tissues over vegetative tissues, and that a chewing herbivore species is the main driver of responses in flowering B. nigra. PMID- 29207440 TI - Understanding the stoichiometric limitation of herbivore growth: the importance of feeding and assimilation flexibilities. AB - Ecological stoichiometry suggests that herbivore growth is limited by phosphorus when this element in the diet is < 8.6 MUg P mg C-1 (C : P atomic ratio > 300). However, in nature, it is not necessarily related to the relative phosphorus content in diets. This may be the result of complex feeding and assimilation responses to diets. We examined these possibilities using herbivorous plankton fed mono-specific and mixed algae varying in phosphorus content of 1.6 to 8.1 MUg P mg C-1 . The herbivores showed a 10-fold growth rate difference among the diets. Growth rates related poorly with phosphorus content in the diets (r2 = 0.07), better with P ingestion rate (r2 = 0.41) and best with phosphorus assimilation rate (r2 = 0.69). Inclusion of assimilation rates for carbon and fatty acids increased 7% of the explained growth variance. These results indicate that the feeding and assimilation flexibilities play pivotal roles in acquiring a deficient element and in regulating growth rate. PMID- 29207441 TI - The impact of host genetic diversity on virus evolution and emergence. AB - Accumulating evidence indicates that biodiversity has an important impact on parasite evolution and emergence. The vast majority of studies in this area have only considered the diversity of species within an environment as an overall measure of biodiversity, overlooking the role of genetic diversity within a particular host species. Although theoretical models propose that host genetic diversity in part shapes that of the infecting parasite population, and hence modulates the risk of parasite emergence, this effect has seldom been tested empirically. Using Rabies virus (RABV) as a model parasite, we provide evidence that greater host genetic diversity increases both parasite genetic diversity and the likelihood of a host being a donor in RABV cross-species transmission events. We conclude that host genetic diversity may be an important determinant of parasite evolution and emergence. PMID- 29207442 TI - Using the CAUSE Model to Understand Public Communication about Water Risks: Perspectives from Texas Groundwater District Officials on Drought and Availability. AB - Public communication about drought and water availability risks poses challenges to a potentially disinterested public. Water management professionals, though, have a responsibility to work with the public to engage in communication about water and environmental risks. Because limited research in water management examines organizational communication practices and perceptions, insights into research and practice can be gained through investigation of current applications of these risk communication efforts. Guided by the CAUSE model, which explains common goals in communicating risk information to the public (e.g., creating Confidence, generating Awareness, enhancing Understanding, gaining Satisfaction, and motivating Enactment), semistructured interviews of professionals (N = 25) employed by Texas groundwater conservation districts were conducted. The interviews examined how CAUSE model considerations factor in to communication about drought and water availability risks. These data suggest that many work to build constituents' confidence in their districts. Although audiences and constituents living in drought-prone areas were reported as being engaged with water availability risks and solutions, many district officials noted constituents' lack of perceived risk and engagement. Some managers also indicated that public understanding was a secondary concern of their primary responsibilities and that the public often seemed apathetic about technical details related to water conservation risks. Overall, results suggest complicated dynamics between officials and the public regarding information access and motivation. The article also outlines extensions of the CAUSE model and implications for improving public communication about drought and water availability risks. PMID- 29207443 TI - Carcinoid tumour of soft tissue: Primary or metastasis? PMID- 29207444 TI - Abnormal B Cell Development in Systemic Lupus Erythematosus: What the Genetics Tell Us. PMID- 29207445 TI - Risk Reduction of Breast Cancer by Childbirth, Breastfeeding, and Their Interaction in Korean Women: Heterogeneous Effects Across Menopausal Status, Hormone Receptor Status, and Pathological Subtypes. AB - Objectives: The purpose of this study was to examine the associations of childbirth, breastfeeding, and their interaction with breast cancer (BC) risk reduction, and to evaluate the heterogeneity in the BC risk reduction effects of these factors by menopause, hormone receptor (HR) status, and pathological subtype. Methods: BC patients aged 40+ from the Korean Breast Cancer Registry in 2004-2012 and controls from the Health Examinee cohort participants were included in this study after 1:1 matching (12 889 pairs) by age and enrollment year. BC risk according to childbirth, breast-feeding, and their interaction was calculated in logistic regression models using odds ratios (ORs) and 95% confidence intervals (CIs). Results: BC risk decreased with childbirth (3+ childbirths relative to 1 childbirth: OR, 0.66; 95% CI, 0.56 to 0.78 and OR, 0.80; 95% CI, 0.68 to 0.95 in postmenopausal and premenopausal women, respectively); and the degree of risk reduction by the number of children was heterogeneous according to menopausal status (p-heterogeneity=0.04), HR status (p heterogeneity<0.001), and pathological subtype (p-heterogeneity<0.001); whereas breastfeeding for 1-12 months showed a heterogeneous association with BC risk according to menopausal status, with risk reduction only in premenopausal women (p-heterogeneity<0.05). The combination of 2 more childbirths and breastfeeding for >=13 months had a much stronger BC risk reduction of 49% (OR, 0.51; 95% CI, 0.45 to 0.58). Conclusions: This study suggests that the combination of longer breastfeeding and more childbirths reduces BC risk more strongly, and that women who experience both 2 or more childbirths and breastfeed for >=13 months can reduce their BC risk by about 50%. PMID- 29207446 TI - Has the Copayment Ceiling Improved Financial Protection in the Korean National Health Insurance System? Evidence From the 2009 Policy Change. AB - Objectives: To relieve the financial burden faced by households, the Korean National Health Insurance (NHI) system introduced a "copayment ceiling," which evolved into a differential ceiling in 2009, with the copayment ceiling depending on patients' income. This study aimed to examine the effect of the differential copayment ceiling on financial protection and healthcare utilization, particularly focusing on whether its effects varied across different income groups. Methods: This study obtained data from the Korea Health Panel. The number of households included in the analysis was 6555 in 2008, 5859 in 2009, 5539 in 2010, and 5372 in 2011. To assess the effects of the differential copayment ceiling on utilization, out-of-pocket (OOP) payments, and catastrophic payments, various random-effects models were applied. Utilization was measured as treatment days, while catastrophic payments were defined as OOP payments exceeding 10% of household income. Among the right-hand side variables were the interaction terms of the new policy with income levels, as well as a set of household characteristics. Results: The differential copayment ceiling contributed to increased utilization regardless of income levels both in all patients and in cancer patients. However, the new policy did not seem to reduce significantly the incidence of catastrophic payments among cancer patients, and even increased the incidence among all patients. Conclusions: The limited effect of the differential ceiling can be attributed to a high proportion of direct payments for services not covered by the NHI, as well as the relatively small number of households benefiting from the differential ceilings; these considerations warrant a better policy design. PMID- 29207447 TI - Mercury Exposure in Association With Decrease of Liver Function in Adults: A Longitudinal Study. AB - Objectives: Although mercury (Hg) exposure is known to be neurotoxic in humans, its effects on liver function have been less often reported. The aim of this study was to investigate whether total Hg exposure in Korean adults was associated with elevated serum levels of the liver enzymes aspartate aminotransferase (AST), alanine transaminase (ALT), and gamma-glutamyltransferase (GGT). Methods: We repeatedly examined the levels of total Hg and liver enzymes in the blood of 508 adults during 2010-2011 and 2014-2015. Cross-sectional associations between levels of blood Hg and liver enzymes were analyzed using a generalized linear model, and nonlinear relationships were analyzed using a generalized additive mixed model. Generalized estimating equations were applied to examine longitudinal associations, considering the correlations of individuals measured repeatedly. Results: GGT increased by 11.0% (95% confidence interval [CI], 4.5 to 18.0%) in women and 8.1% (95% CI, -0.5 to 17.4%) in men per doubling of Hg levels, but AST and ALT were not significantly associated with Hg in either men or women. In women who drank more than 2 or 3 times per week, AST, ALT, and GGT levels increased by 10.6% (95% CI, 4.2 to 17.5%), 7.7% (95% CI, 1.1 to 14.7%), and 37.5% (95% CI,15.2 to 64.3%) per doubling of Hg levels, respectively, showing an interaction between blood Hg levels and drinking. Conclusions: Hg exposure was associated with an elevated serum concentration of GGT. Especially in women who were frequent drinkers, AST, ALT, and GGT showed a significant increase, with a significant synergistic effect of Hg and alcohol consumption. PMID- 29207448 TI - Are Serum Vitamin D Levels Associated With Dry Eye Disease? Results From the Study Group for Environmental Eye Disease. AB - Objectives: Dry eye disease (DED) is an increasingly important public health problem in Korea. Previous studies conducted in Korea have reported inconsistent results regarding the protective effects of vitamin D on DED, and these discrepancies may be related to the relatively simple questionnaire that has been used. Thus, we evaluated the association of serum vitamin D levels with DED using the ocular surface disease index (OSDI). Methods: The present study evaluated data from participants in the Study Group for Environmental Eye Disease (2014 2015). This group included data from 752 participants, and data from 740 participants (253 men and 487 women) were analyzed in the present study. DED severity was evaluated using the OSDI. Results: Higher serum vitamin D levels were associated with a non-significantly reduced risk of DED in the crude analysis (odds ratio [OR], 0.991; 95% confidence interval [CI], 0.971 to 1.011) and in the adjusted analysis (OR, 0.988; 95% CI, 0.966 to 1.010). In the crude analysis of no/mild DED vs. moderate/severe DED, men exhibited a decreased risk with increasing serum vitamin D levels (OR, 0.999; 95% CI, 0.950 to 1.051), while women exhibited an increased risk (OR, 1.003; 95% CI, 0.979 to 1.027). In these analyses, we found no significant associations. Conclusions: The findings of the present study support previous reports that serum vitamin D levels are not associated with DED. PMID- 29207449 TI - Exploratory Study of Dimensions of Health-related Quality of Life in the General Population of South Korea. AB - Objectives: This study aimed to explore dimensions in addition to the 5 dimensions of the 5-level EQ-5D version (EQ-5D-5L) that could satisfactorily explain variation in health-related quality of life (HRQoL) in the general population of South Korea. Methods: Domains related to HRQoL were searched through a review of existing HRQoL instruments. Among the 28 potential dimensions, the 5 dimensions of the EQ-5D-5L and 7 additional dimensions (vision, hearing, communication, cognitive function, social relationships, vitality, and sleep) were included. A representative sample of 600 subjects was selected for the survey, which was administered through face-to-face interviews. Subjects were asked to report problems in 12 health dimensions at 5 levels, as well as their self-rated health status using the EuroQol visual analogue scale (EQ-VAS) and a 5 point Likert scale. Among subjects who reported no problems for any of the parameters in the EQ-5D-5L, we analyzed the frequencies of problems in the additional dimensions. A linear regression model with the EQ-VAS as the dependent variable was performed to identify additional significant dimensions. Results: Among respondents who reported full health on the EQ-5D-5L (n=365), 32% reported a problem for at least 1 additional dimension, and 14% reported worse than moderate self-rated health. Regression analysis revealed a R2 of 0.228 for the original EQ-5D-5L dimensions, 0.200 for the new dimensions, and 0.263 for the 12 dimensions together. Among the added dimensions, vitality and sleep were significantly associated with EQ-VAS scores. Conclusions: This study identified significant dimensions for assessing self-rated health among members of the general public, in addition to the 5 dimensions of the EQ-5D-5L. These dimensions could be considered for inclusion in a new preference-based instrument or for developing a country-specific HRQoL instrument. PMID- 29207450 TI - One Health Perspectives on Emerging Public Health Threats. AB - Antimicrobial resistance and emerging infectious diseases, including avian influenza, Ebola virus disease, and Zika virus disease have significantly affected humankind in recent years. In the premodern era, no distinction was made between animal and human medicine. However, as medical science developed, the gap between human and animal science grew deeper. Cooperation among human, animal, and environmental sciences to combat emerging public health threats has become an important issue under the One Health Initiative. Herein, we presented the history of One Health, reviewed current public health threats, and suggested opportunities for the field of public health through better understanding of the One Health paradigm. PMID- 29207451 TI - Cardiovascular Disease-related Health Beliefs and Lifestyle Issues Among Karen Refugees Resettled in the United States From the Thai-Myanmar (Burma) Border. AB - Objectives: Refugees resettled in the US may be at risk for cardiovascular disease (CVD). However, little is known about CVD-related issues among Karen refugees who have migrated to the US from the Thai-Myanmar border. The purpose of this study was to examine CVD-related health beliefs and lifestyle issues among Karen refugees resettled in the US. Methods: Karen refugees resettled in the US from the Thai-Myanmar border (n=195) participated in a survey study on health beliefs related to CVD, salt intake, physical activity (PA), and smoking in the fall of 2016. Results: A high-salt diet, physical inactivity, and smoking were major lifestyle problems. Participants who adhered to a low-salt diet considered themselves to be susceptible to CVD. Most participants did not engage in regular PA. Regular PA was associated with less perceived susceptibility to CVD and greater perceived benefits of a healthy lifestyle for decreasing the likelihood of CVD. Conclusions: Each refugee population may require individualized strategies to promote PA and a healthy diet. Future studies should develop health education programs that are specifically designed for Karen refugees and evaluate such programs. In addition to health education programs on healthy lifestyle choices, tobacco cessation programs seem to be necessary for Karen refugees. At the same time, it is important to foster strategies to increase the utilization of preventive care among this population by promoting free or reduced-fee resources in the community to further promote their health. PMID- 29207452 TI - Congenital Malformations in Infants of Mothers Undergoing Assisted Reproductive Technologies: A Systematic Review and Meta-analysis Study. AB - Objectives: This meta-analysis aimed to evaluate congenital malformations in infants conceived by assisted reproductive techniques (ART), compared with infants conceived spontaneously. Methods: In this study, available resources searched to find relevant articles included PubMed, ScienceDirect, Scopus, Google Scholar, Cochrane, ProQuest, Iranmedex, Magiran, and Scientific Information Database. After extracting the necessary information from evaluated articles, meta-analysis on the articles' data was performed using Stata version 11.2. Results: In this study, from a total of 339 articles, extracted from the initial investigation, ultimately 30 articles were selected for meta-analysis that assessed the use of ART on the risk of congenital abnormalities and some birth complications on 5 470 181 infants (315 402 cases and 5 154 779 controls). The odds ratio (95% confidence interval [CI]) for low birth weight was 1.89 (95% CI, 1.36 to 2.62), preterm labor 1.79 (95% CI, 1.21 to 2.63), cardiac abnormalities 1.43 (95% CI, 1.27 to 1.62), central nervous system abnormalities 1.36 (95% CI, 1.10 to 1.70), urogenital system abnormalities 1.58 (95% CI, 1.28 to 1.94), musculoskeletal disorders 1.35 (95% CI, 1.12 to 1.64), and chromosomal abnormalities in infants conceived by ART was 1.14 (95% CI, 0.90 to 1.44), which were all statistically significant, except chromosomal abnormalities. Conclusions: The risk of congenital abnormalities and some birth complications were significantly higher in ART than normal conception, while chromosomal abnormalities were not; therefore, the application of ART should be selected individually for patients by detailed assessment to reduce such risks in the population. PMID- 29207453 TI - How to successfully list a journal in the Social Science Citation Index or Science Citation Index Expanded. PMID- 29207454 TI - Podcasting in medical education: a review of the literature. AB - Podcasts are increasingly being used for medical education, both within teaching institutions and on an international scale by major journals. To date, there are no evidence-based guidelines for the development of educational podcasts. To review the state of the literature, MEDLINE, SCOPUS, and ERIC were searched in May 2016 for articles describing audio format podcasts used in medical education. Eighty-four articles met inclusion criteria. A qualitative synthesis of the evidence was done using Kirkpatrick's model for evaluating outcomes. Twenty-four articles described reaction outcomes, eleven described learning outcomes, and one described behavioral outcomes. None measured patient impact. The literature demonstrates that podcasts are both feasible and accepted by learners. The mean length of reported podcasts was 18 minutes, which falls within the recommended range in at least one paper, and is consistent with reported listener preference. Interview format, clear disclosures, and accurate information were reported as desirable. There is limited evidence showing the efficacy of podcasts as teaching tools, or regarding best practices in making podcasts. More rigorous studies evaluating efficacy, changes in behavior, and changes in patient outcomes need to be performed in order to prove podcasts' value and to justify production costs. PMID- 29207455 TI - Verbal communication of students with high patient-physician interaction scores in a clinical performance examination assessed by standardized patients. AB - PURPOSE: Standardized patients (SPs) tend to rate medical students' communication skills subjectively and comprehensively, in contrast to such objective skill set defined in the clinical performance examination (CPX). Meanwhile, medical school instructors have a different approach in their evaluation of students' communication skills. We aim to analyze medical students' verbal communication skills using objective methods, and to determine the contributing factors of a patient-physician interaction (PPI) score. METHODS: Students with high- and low ranking scores for PPI in CPX were selected. The Roter interaction analysis system was used to compare verbal communication behaviors of the students and SPs. Patient-centeredness scores (PCSs), physician's verbal dominance, and number of utterances were compared between the two groups. RESULTS: PCSs and physician's verbal dominance had no difference between the groups. The number of utterances during the limited time of 5 minutes of CPX was higher for the high-ranking students. They tended to employ more paraphrase/check for understanding, and closed questions for psychosocial state and open questions for medical condition. The SPs interviewed by high-ranking students gave more medical information and requested for more services. CONCLUSION: In the case of the routine checkup, smooth conversations with more frequent utterances were detected in the high ranking students. More medical information exchange and requests for services by SPs were higher for the high-ranking students. Medical communication instructors should keep in mind that our results could be indicators of a high PPI score. PMID- 29207456 TI - A study of satisfaction of medical students on their mentoring programs at one medical school in Korea. AB - PURPOSE: The purpose of this study was to investigate the awareness levels of medical students regarding the characteristics of each function within a mentoring program conducted within Kyung Hee University and to ultimately suggest points for reformation. Medical students' awareness levels were determined using a 29-item questionnaire. METHODS: The questionnaire was conducted on 347 medical students, excluding 25 students who either marked multiple answers or did not reply. The assessment of the program was based on a questionnaire with the use of a 5-point Likert scale using SPSS version 22.0. Multiple regression was conducted to examine the relationship between the satisfaction level, regarding functions of mentoring programs, and characteristics of mentoring programs. Interviews were conducted to supplement additional information that was hard to gain from the questionnaire. RESULTS: The results on demographic and functional characteristics revealed that there was no statistically significant differences in satisfaction levels across gender, whereas there were significant differences across grade levels. In addition, there were significant differences in the frequency of meetings and topics of conversation while the length of meetings and meeting place were not significantly different. CONCLUSION: For the improved mentoring programs for medical students, the program should focus on the frequency of meetings and the topics of conversation. Furthermore, mentoring programs of high quality can be expected if professors take interview results into consideration. Also, students want to be provided with psychosocial advice from mentors in various ways such as role model function. PMID- 29207457 TI - Verification of learner's differences by team-based learning in biochemistry classes. AB - PURPOSE: We tested the effect of team-based learning (TBL) on medical education through the second-year premedical students' TBL scores in biochemistry classes over 5 years. METHODS: We analyzed the results based on test scores before and after the students' debate. The groups of students for statistical analysis were divided as follows: group 1 comprised the top-ranked students, group 3 comprised the low-ranked students, and group 2 comprised the medium-ranked students. Therefore, group T comprised 382 students (the total number of students in group 1, 2, and 3). To calibrate the difficulty of the test, original scores were converted into standardized scores. We determined the differences of the tests using Student t-test, and the relationship between scores before, and after the TBL using linear regression tests. RESULTS: Although there was a decrease in the lowest score, group T and 3 showed a significant increase in both original and standardized scores; there was also an increase in the standardized score of group 3. There was a positive correlation between the pre- and the post-debate scores in group T, and 2. And the beta values of the pre-debate scores and "the changes between the pre- and post-debate scores" were statistically significant in both original and standardized scores. CONCLUSION: TBL is one of the educational methods for helping students improve their grades, particularly those of low-ranked students. PMID- 29207458 TI - Implementation of problem-based learning in medical education in Korea. AB - PURPOSE: This study aims to identify how problem-based learning (PBL) has been implemented in Korean medical education, and how it is evaluated by each medical school. METHODS: For this study, a total of 40 medical schools in Korea were surveyed via e-mail. The survey tool was a questionnaire consisting of 22 questions which was developed independently by the researchers. RESULTS: Of the 40 medical schools, 35 schools were implementing PBL programs in their medical curriculum, while five were found not currently to be running the program. A large number of the schools which introduced PBL (30 schools, 85.7%) used a hybrid PBL model. In over 70% of the medical schools surveyed, professors evaluated the effects of PBL as positive. Most medical schools (85.7%) stated they would maintain or expand their use of PBL. However, the lack of understanding and skeptical attitude of the faculty on PBL, the lack of self study time and passive attitude of students, insufficiency of good PBL cases, and the perfunctory PBL introduction for school accreditation interfere with the successful PBL. CONCLUSION: PBL has been incorporated in Korean medical curriculum as hybrid PBL type. It is analyzed that intensive tutor training and good PBL case development are necessary for the success and effective operation of PBL. PMID- 29207459 TI - The challenges of medical education in developing "true medical professionalism". PMID- 29207460 TI - An epilogue to an emergency-trauma practicum. PMID- 29207461 TI - Effect of Solution Treatment on Precipitation Behaviors, Age Hardening Response and Creep Properties of Elektron21 Alloy Reinforced by AlN Nanoparticles. AB - In the present study, the solution and ageing treatments behavior of Mg-RE-Zr-Zn alloy (Elektron21) and its nano-AlN reinforced nanocomposites have been evaluated. The properties of the thermal-treated materials were investigated in terms of Vickers hardness, the area fraction of precipitates, microstructure and phase composition. The solution treatments were performed by treating at 520 degrees C, 550 degrees C and 580 degrees C in argon atmosphere. The outcomes show that the hardness of the solutionized alloys was slightly affected by the solution temperature. X-ray diffraction and image analysis revealed that the complete dissolution of precipitates was not possible, neither for Elektron21 (El21) nor for its AlN containing nanocomposites. The ageing treatment of El21 led to a significant improvement in hardness after 20 h, while for longer times, it progressively decreased. The effect of ageing on the hardness of El21-AlN composites was found to be much less than this effect on the hardness of the host alloy. Electron backscatter diffraction (EBSD) analysis of El21 and El21-1%AlN after solution treatment confirm the random orientation of grains with a typical texture of random distribution. The as-cast creep results showed that the incorporation of nanoparticles could effectively improve the creep properties, while the results after solution treatment at 520 degrees C for 12 h followed by ageing treatment at 200 degrees C for 20 h confirmed that the minimum creep rate of T6-El21 was almost equal to the as-cast El21-AlN. PMID- 29207462 TI - Celebrating Two Centuries of Research in Selenium Chemistry: State of the Art and New Prospective. AB - In 2017, the 200th anniversary of the discovery of selenium was celebrated. In 1817, the Swedish chemists, Berzelius and Gahn, on roasting 200 kg of sulfur from a pyrite from the Falun mine, obtained about 3 g of a precipitate that they first wrongly identified as tellurium. Berzelius doubted this result and repeated the analysis some months later realizing that a new element was in his hands and he named this element Selenium (Greek: Selene, moon) in consideration of its resemblance to Tellurium (Latin: Tellus, earth). Several events were organized in the year for this special celebration and this Special Issue would like to be an additional contribution to the success of a research that, especially during the last decades, rapidly grew in different fields: synthesis, medicinal chemistry, biology, material, and environment. These studies are strongly characterized by multi- and interdisciplinary connections, and, for this reason, we collected here contributions coming from different areas and disciplines, not exclusively synthetic organic chemistry. PMID- 29207463 TI - Synthesis and Characterization of Polyaniline/Graphene Composite Nanofiber and Its Application as an Electrochemical DNA Biosensor for the Detection of Mycobacterium tuberculosis. AB - This article describes chemically modified polyaniline and graphene (PANI/GP) composite nanofibers prepared by self-assembly process using oxidative polymerization of aniline monomer and graphene in the presence of a solution containing poly(methyl vinyl ether-alt-maleic acid) (PMVEA). Characterization of the composite nanofibers was carried out by Fourier transform infrared (FTIR) and Raman spectroscopy, transmission electron microscopy (TEM) and scanning electron microscopy (SEM). SEM images revealed the size of the PANI nanofibers ranged from 90 to 360 nm in diameter and was greatly influenced by the proportion of PMVEA and graphene. The composite nanofibers with an immobilized DNA probe were used for the detection of Mycobacterium tuberculosis by using an electrochemical technique. A photochemical indicator, methylene blue (MB) was used to monitor the hybridization of target DNA by using differential pulse voltammetry (DPV) method. The detection range of DNA biosensor was obtained from of 10-6-10-9 M with the detection limit of 7.853 * 10-7 M under optimum conditions. The results show that the composite nanofibers have a great potential in a range of applications for DNA sensors. PMID- 29207464 TI - Synthesis, Characterization and Antibacterial Activity of Novel 1,3-Diethyl-1,3 bis(4-nitrophenyl)urea and Its Metal(II) Complexes. AB - A bioactive ligand and its dinuclear metal(II) complexes were synthesized and characterized by Fourier-transform infrared spectroscopy (FT-IR), ultraviolet visible (UV-Visible), nuclear magnetic resonance (1H-NMR), mass spectroscopy and molar conductance measurements. The ligand has been crystalized in the monoclinic system with a P21/c space group. The biological activities of metal complexes were evaluated using disc diffusion and broth dilution methods. In vitro antibacterial activities of the ligand and their metal complexes were examined against two Gram-positive bacteria (Bacillus subtilis and Staphylococcus aureus) and two Gram-negative bacteria (Escherichia coli and Serratia marcescens) and compared to the standard drugs. It was found that metal complexes displayed much higher antibacterial activities and better inhibitory effects than that of the ligand and standard drugs. Among these complexes, the compound having Zn-metal showed greater antibacterial activity against all four tested bacteria and was more effective against Serratia marcescens with the zone inhibition diameter of 26 mm and MIC value of 31.25 ug/mL. PMID- 29207465 TI - gammaPNA FRET Pair Miniprobes for Quantitative Fluorescent In Situ Hybridization to Telomeric DNA in Cells and Tissue. AB - Measurement of telomere length by fluorescent in situ hybridization is widely used for biomedical and epidemiological research, but there has been relatively little development of the technology in the 20 years since it was first reported. This report describes the use of dual gammaPNA (gammaPNA) probes that hybridize at alternating sites along a telomere and give rise to Forster resonance energy transfer (FRET) signals. Bright staining of telomeres is observed in nuclei, chromosome spreads and tissue samples. The use of FRET detection also allows for elimination of wash steps, normally required to remove unhybridized probes that would contribute to background signals. We found that these wash steps can diminish the signal intensity through the removal of bound, as well as unbound probes, so eliminating these steps not only accelerates the process but also enhances the quality of staining. Thus, gammaPNA FRET pairs allow for brighter and faster staining of telomeres in a wide range of research and clinical formats. PMID- 29207466 TI - Evaluation of Poly(Lactic-co-glycolic) Acid Alone or in Combination with Hydroxyapatite on Human-Periosteal Cells Bone Differentiation and in Sinus Lift Treatment. AB - Most recent advances in tissue engineering in the fields of oral surgery and dentistry have aimed to restore hard and soft tissues. Further improvement of these therapies may involve more biological approaches and the use of dental tissue stem cells in combination with inorganic/organic scaffolds. In this study, we analyzed the osteoconductivity of two different inorganic scaffolds based on poly (lactic-co-glycolic) acid alone (PLGA-Fisiograft) or in combination with hydroxyapatite (PLGA/HA-Alos) in comparison with an organic material based on equine collagen (PARASORB Sombrero) both in vitro and in vivo. We developed a simple in vitro model in which periosteum-derived stem cells were grown in contact with chips of these scaffolds to mimic bone mineralization. The viability of cells and material osteoconductivity were evaluated by osteogenic gene expression and histological analyses at different time points. In addition, the capacity of scaffolds to improve bone healing in sinus lift was examined. Our results demonstrated that the osteoconductivity of PLGA/HA-Alos and the efficacy of scaffolds in promoting bone healing in the sinus lift were increased. Thus, new clinical approaches in sinus lift follow-up should be considered to elucidate the clinical potential of these two PLGA-based materials in dentistry. PMID- 29207467 TI - Review of Ethnomedicinal Uses, Phytochemistry and Pharmacological Properties of Euclea natalensis A.DC. AB - Euclea natalensis is traditionally used as herbal medicine for several human diseases and ailments in tropical Africa. This study reviews information on ethnomedicinal uses, botany, phytochemical constituents, pharmacology and toxicity of E. natalensis. Results of this study are based on literature search from several sources including electronic databases, books, book chapters, websites, theses and conference proceedings. This study showed that E. natalensis is used as traditional medicine in 57.1% of the countries where it is indigenous. Euclea natalensis has a high degree of consensus on abdominal pains, antidote for snake bites, diabetes, diarrhoea, malaria, roundworms, stomach problems, toothache, venereal diseases and wounds. Several ethnopharmacological studies have shown that crude extracts and chemical compounds from E. natalensis demonstrated many biological activities both in vitro and in vivo, which included antibacterial, antidiabetic, antifungal, antimycobacterial, antiviral, antioxidant, antiplasmodial, larvicidal, antischistosomal, molluscicidal, dentin permeability and hepatoprotective activities. Future studies should focus on the mechanism of biological activities of both crude extracts and chemical compounds from the species, as well as structure-function relationships of bioactive constituents of the species. PMID- 29207468 TI - Vertical Optical Scanning with Panoramic Vision for Tree Trunk Reconstruction. AB - This paper presents a practical application of a technique that uses a vertical optical flow with a fisheye camera to generate dense point clouds from a single planimetric station. Accurate data can be extracted to enable the measurement of tree trunks or branches. The images that are collected with this technique can be oriented in photogrammetric software (using fisheye models) and used to generate dense point clouds, provided that some constraints on the camera positions are adopted. A set of images was captured in a forest plot in the experiments. Weighted geometric constraints were imposed in the photogrammetric software to calculate the image orientation, perform dense image matching, and accurately generate a 3D point cloud. The tree trunks in the scenes were reconstructed and mapped in a local reference system. The accuracy assessment was based on differences between measured and estimated trunk diameters at different heights. Trunk sections from an image-based point cloud were also compared to the corresponding sections that were extracted from a dense terrestrial laser scanning (TLS) point cloud. Cylindrical fitting of the trunk sections allowed the assessment of the accuracies of the trunk geometric shapes in both clouds. The average difference between the cylinders that were fitted to the photogrammetric cloud and those to the TLS cloud was less than 1 cm, which indicates the potential of the proposed technique. The point densities that were obtained with vertical optical scanning were 1/3 less than those that were obtained with TLS. However, the point density can be improved by using higher resolution cameras. PMID- 29207469 TI - Eating at Food Outlets and "On the Go" Is Associated with Less Healthy Food Choices in Adults: Cross-Sectional Data from the UK National Diet and Nutrition Survey Rolling Programme (2008-2014). AB - Eating location has been linked with variations in diet quality including the consumption of low-nutrient energy-dense food, which is a recognised risk factor for obesity. Cross-sectional data from 4736 adults aged 19 years and over from Years 1-6 of the UK National Diet and Nutrition Survey (NDNS) Rolling Programme (RP) (2008-2014) were used to explore food consumption patterns by eating location. Eating location was categorized as home, work, leisure places, food outlets and "on the go". Foods were classified into two groups: core (included in the principal food groups and considered important/acceptable within a healthy diet) and non-core (all other foods). Out of 97,748 eating occasions reported, the most common was home (67-90% of eating occasions). Leisure places, food outlets and "on the go" combined contributed more energy from non-core (30%) than from core food (18%). Analyses of modulating factors revealed that sex, income, frequency of eating out and frequency of drinking were significant factors affecting consumption patterns (p < 0.01). Our study provides evidence that eating patterns, behaviours and resulting diet quality vary by location. Public health interventions should focus on availability and access to healthy foods, promotion of healthy food choices and behaviours across multiple locations, environments and contexts for food consumption. PMID- 29207470 TI - Repetitively Mode-Locked Cavity-Enhanced Absorption Spectroscopy (RML-CEAS) for Near-Infrared Gas Sensing. AB - A Pound-Drever-Hall (PDH)-based mode-locked cavity-enhanced sensor system was developed using a distributed feedback diode laser centered at 1.53 um as the laser source. Laser temperature scanning, bias control of the piezoelectric ceramic transducer (PZT) and proportional-integral-derivative (PID) feedback control of diode laser current were used to repetitively lock the laser modes to the cavity modes. A gas absorption spectrum was obtained by using a series of absorption data from the discrete mode-locked points. The 15 cm-long Fabry-Perot cavity was sealed using an enclosure with an inlet and outlet for gas pumping and a PZT for cavity length tuning. The performance of the sensor system was evaluated by conducting water vapor measurements. A linear relationship was observed between the measured absorption signal amplitude and the H2O concentration. A minimum detectable absorption coefficient of 1.5 * 10-8 cm-1 was achieved with an averaging time of 700 s. This technique can also be used for the detection of other trace gas species by targeting the corresponding gas absorption line. PMID- 29207471 TI - Nuts and Human Health Outcomes: A Systematic Review. AB - There has been increasing interest in nuts and their outcome regarding human health. The consumption of nuts is frequently associated with reduction in risk factors for chronic diseases. Although nuts are high calorie foods, several studies have reported beneficial effects after nut consumption, due to fatty acid profiles, vegetable proteins, fibers, vitamins, minerals, carotenoids, and phytosterols with potential antioxidant action. However, the current findings about the benefits of nut consumption on human health have not yet been clearly discussed. This review highlights the effects of nut consumption on the context of human health. PMID- 29207472 TI - Effects of beta-Hydroxy-beta-methylbutyrate-free Acid Supplementation on Strength, Power and Hormonal Adaptations Following Resistance Training. AB - BACKGROUND: beta-Hydroxy-beta-methylbutyrate-free acid (HMB-FA) has been ingested prior to exercise to reduce muscle damage, however the effects of HMB-FA supplementation on hormonal, strength and power adaptation are unclear. METHODS: Sixteen healthy men were matched and randomized into two groups and performed six week resistance training while supplementing with either HMB-FA or placebo (3 g per day). The subjects were evaluated for 1 repetition maximum (1RM) bench press and leg press and vertical jump (VJ) prior to and after training intervention. In addition, blood samples were obtained before and after resistance training to evaluate resting growth hormone (GH), insulin like growth factor 1 (IGF-1), testosterone (TEST), cortisol (CORT), and adrenocorticotropic hormone (ACTH) responses. The HMB-FA supplementation group showed greater gains compared with the placebo group in peak power (effect size ES = 0.26 vs. 0.01) and 1RM leg press (ES = 1.52 vs. 0.96). In addition, the HMB-FA supplementation group indicated greater decrements in ACTH and CORT responses to training in comparison to the placebo group (p < 0.05). Likewise, in GH (ES = 1.41 vs. 0.12) and IGF-1 (ES = 0.83 vs. 0.41), the HMB-FA indicated greater training effects when compared with the placebo group. CONCLUSIONS: These findings provide further support for the potential anabolic benefits associated with HMB-FA supplementation. PMID- 29207473 TI - The Cost-Effectiveness of Lowering Permissible Noise Levels Around U.S. Airports. AB - Aircraft noise increases the risk of cardiovascular diseases and mental illness. The allowable limit for sound in the vicinity of an airport is 65 decibels (dB) averaged over a 24-h 'day and night' period (DNL) in the United States. We evaluate the trade-off between the cost and the health benefits of changing the regulatory DNL level from 65 dB to 55 dB using a Markov model. The study used LaGuardia Airport (LGA) as a case study. In compliance with 55 dB allowable limit of aircraft noise, sound insulation would be required for residential homes within the 55 dB to 65 dB DNL. A Markov model was built to assess the cost effectiveness of installing sound insulation. One-way sensitivity analyses and Monte Carlo simulation were conducted to test uncertainty of the model. The incremental cost-effectiveness ratio of installing sound insulation for residents exposed to airplane noise from LGA was $11,163/QALY gained (95% credible interval: cost-saving and life-saving to $93,054/QALY gained). Changing the regulatory standard for noise exposure around airports from 65 dB to 55 dB comes at a very good value. PMID- 29207474 TI - Emerging Roles of Mitochondrial Ribosomal Proteins in Plant Development. AB - Mitochondria are the powerhouse of eukaryotic cells because they are responsible for energy production through the aerobic respiration required for growth and development. These organelles harbour their own genomes and translational apparatus: mitochondrial ribosomes or mitoribosomes. Deficient mitochondrial translation would impair the activity of this organelle, and is expected to severely perturb different biological processes of eukaryotic organisms. In plants, mitoribosomes consist of three rRNA molecules, encoded by the mitochondrial genome, and an undefined set of ribosomal proteins (mitoRPs), encoded by nuclear and organelle genomes. A detailed functional and structural characterisation of the mitochondrial translation apparatus in plants is currently lacking. In some plant species, presence of small gene families of mitoRPs whose members have functionally diverged has led to the proposal of the heterogeneity of the mitoribosomes. This hypothesis supports a dynamic composition of the mitoribosomes. Information on the effects of the impaired function of mitoRPs on plant development is extremely scarce. Nonetheless, several works have recently reported the phenotypic and molecular characterisation of plant mutants affected in mitoRPs that exhibit alterations in specific development aspects, such as embryogenesis, leaf morphogenesis or the formation of reproductive tissues. Some of these results would be in line with the ribosomal filter hypothesis, which proposes that ribosomes, besides being the machinery responsible for performing translation, are also able to regulate gene expression. This review describes the phenotypic effects on plant development displayed by the mutants characterised to date that are defective in genes which encode mitoRPs. The elucidation of plant mitoRPs functions will provide a better understanding of the mechanisms that control organelle gene expression and their contribution to plant growth and morphogenesis. PMID- 29207475 TI - Function of microRNAs in the Osteogenic Differentiation and Therapeutic Application of Adipose-Derived Stem Cells (ASCs). AB - Traumatic wounds with segmental bone defects represent substantial reconstructive challenges. Autologous bone grafting is considered the gold standard for surgical treatment in many cases, but donor site morbidity and associated post-operative complications remain a concern. Advances in regenerative techniques utilizing mesenchymal stem cell populations from bone and adipose tissue have opened the door to improving bone repair in the limbs, spine, and craniofacial skeleton. The widespread availability, ease of extraction, and lack of immunogenicity have made adipose-derived stem cells (ASCs) particularly attractive as a stem cell source for regenerative strategies. Recently it has been shown that small, non-coding miRNAs are involved in the osteogenic differentiation of ASCs. Specifically, microRNAs such as miR-17, miR-23a, and miR-31 are expressed during the osteogenic differentiation of ASCs, and appear to play a role in inhibiting various steps in bone morphogenetic protein-2 (BMP2) mediated osteogenesis. Importantly, a number of microRNAs including miR-17 and miR-31 that act to attenuate the osteogenic differentiation of ASCs are themselves stimulated by transforming growth factor beta-1 (TGFbeta-1). In addition, transforming growth factor beta-1 is also known to suppress the expression of microRNAs involved in myogenic differentiation. These data suggest that preconditioning strategies to reduce TGFbeta-1 activity in ASCs may improve the therapeutic potential of ASCs for musculoskeletal application. Moreover, these findings support the isolation of ASCs from subcutaneous fat depots that tend to have low endogenous levels of TGFbeta-1 expression. PMID- 29207476 TI - Protective Effects of Hesperidin (Citrus Flavonone) on High Glucose Induced Oxidative Stress and Apoptosis in a Cellular Model for Diabetic Retinopathy. AB - The aim of this study was to investigate the protective effects and mechanisms of hesperidin, a plant based active flavanone found in citrus fruits, under the oxidative stress and apoptosis induced by high levels of glucose in retinal ganglial cells (RGCs). RGC-5 cells were pretreated with hesperidin (12.5, 25, or 50 MUmol/L) for 6 h followed by exposure to high (33.3 mmol/L) d-glucose for 48 h. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was adopted to evaluate cell viability. Mitochondrial function was estimated by measuring the mitochondrial membrane potential (DeltaPsim). A fluorescent probe was employed to evaluate the intercellular production of reactive oxygen species (ROS). Colorimetric assay kits were used to evaluate lipid peroxidation, antioxidant enzyme activities, and protein carbonyls formation. The expression of apoptosis-related proteins and mitogen-activated protein kinase (MAPK) were measured with Western blotting. Hesperidin inhibited high glucose-mediated cell loss and restored mitochondrial function including a reversion of DeltaPsim loss and cytochrome c release. Treated with hesperidin, high glucose-induced increase in ROS, malondialdehyde, and protein carbonyl levels were blocked in RGC-5 cells. Hesperidin was found to elevate the activities of superoxide dismutase, catalase, glutathione peroxidase, and to recover glutathione levels. Hesperidin inhibited high glucose-induced cell apoptosis by attenuating the downregulation of caspase 9, caspase-3, and Bax/Bcl-2. Furthermore, the phosphorylation of c-Jun N-terminal kinases (JNK) and p38 MAPK triggered by high glucose were attenuated in RGC-5 cells after their incubation with hesperdin. We concluded that hesperidin may protect RGC-5 cells from high glucose-induced injury since it owns the properties of antioxidant action and blocks mitochondria-mediated apoptosis. PMID- 29207477 TI - A Robust Manifold Graph Regularized Nonnegative Matrix Factorization Algorithm for Cancer Gene Clustering. AB - Detecting genomes with similar expression patterns using clustering techniques plays an important role in gene expression data analysis. Non-negative matrix factorization (NMF) is an effective method for clustering the analysis of gene expression data. However, the NMF-based method is performed within the Euclidean space, and it is usually inappropriate for revealing the intrinsic geometric structure of data space. In order to overcome this shortcoming, Cai et al. proposed a novel algorithm, called graph regularized non-negative matrices factorization (GNMF). Motivated by the topological structure of the GNMF-based method, we propose improved graph regularized non-negative matrix factorization (GNMF) to facilitate the display of geometric structure of data space. Robust manifold non-negative matrix factorization (RM-GNMF) is designed for cancer gene clustering, leading to an enhancement of the GNMF-based algorithm in terms of robustness. We combine the l 2 , 1 -norm NMF with spectral clustering to conduct the wide-ranging experiments on the three known datasets. Clustering results indicate that the proposed method outperforms the previous methods, which displays the latest application of the RM-GNMF-based method in cancer gene clustering. PMID- 29207478 TI - Phenolic Content and Antioxidant Activity in Raw and Denatured Aqueous Extracts from Sprouts and Wheatgrass of Einkorn and Emmer Obtained under Salinity. AB - Total phenolic content (TPC), reducing power (RP), superoxide radical scavenging (RS), and thiobarbituric acid reactive substances (TBARS) production inhibition were measured in raw and denatured aqueous extracts from sprouts and wheatgrass of einkorn and emmer obtained at increasing salinity. Grains were incubated and kept at 0, 25, 50, and 100 mM NaCl until either sprout or wheatgrass stage. Additionally, a recovery treatment was included, in which sprouts obtained at 100 mM NaCl were then transferred at 0 mM NaCl until wheatgrass stage. All parameters (TPC, RP, RS, and TBARS production inhibition) increased with sprouting and were highest in wheatgrass. Salinity increased all parameters, but the effect varied with NaCl concentration, genotype, developmental stage, and plant material processing (raw or denatured). Overall, given the delay and limitation of growth at high NaCl concentration, the best compromise appears to be the application of a moderate salinity (25 to 50 mM NaCl). In denatured extracts, TPC, RP, and RS slightly decreased, and TBARS was not affected, which means that antioxidant activity was mainly related to compounds other than enzymes and peptides, and thus it can be assumed to remain after digestion. Thus, supplementing the human diet with einkorn or emmer sprouts and wheatgrass can actually benefit health. PMID- 29207479 TI - Growth and Bone Mineralization of Very Preterm Infants at Term Corrected Age in Relation to Different Nutritional Intakes in the Early Postnatal Period. AB - Preterm infants often have a reduced bone mineral content (BMC) with increased risk of metabolic bone disease. After birth it is difficult to supply calcium (Ca) and phosphorus (P) comparable to the high fetal accretion rate. It is not known whether high supplementation of minerals in the early postnatal period improves growth and bone mineralization. The aim of this study was to evaluate growth and bone mineralization at term corrected age (TCA) in very and extremely preterm infants who received different enteral Ca and P intakes during the first 10 days of life. Infants (n = 109) with birth weights below 1500 g were randomly assigned to one of three groups that differed in the nutritional protocols delivered until day 10: Group A, mother's own milk (MOM) and donor milk (unfortified); Group B, MOM (unfortified) and preterm formula; Group C, MOM (start fortification >50 mL/day) and preterm formula. Due to the earlier commencement of fortification, Group C received higher intakes of calcium and phosphorus and protein (p < 0.001) until day 10. At TCA weight, length, BMC and bone mineral density (BMD), measured by dual-X-ray absorptiometry, were not different between the groups. Nutritional intake of P was positively associated with length (beta; (95% confidence interval (CI): 0.20 (0.001; 0.393); p-value = 0.048), whereas Ca intake was negatively associated with BMC (-1.94 (-2.78; 1.09); p-value < 0.001). A small interaction between Ca and P intake was only found for BMD (0.003 (0.00002; 0.00006); p-value = 0.036). The volume of human milk per kg provided during the first 10 days was positively associated with BMC (beta; (95% CI): 0.013 (0.002; 0.023); p < 0.017). Higher intakes of Ca and P during the first 10 days, as provided in this study, did not improve bone mineralization at term corrected age. PMID- 29207480 TI - Improved In Vivo Efficacy of Anti-Hypertensive Biopeptides Encapsulated in Chitosan Nanoparticles Fabricated by Ionotropic Gelation on Spontaneously Hypertensive Rats. AB - Recent biotechnological advances in the food industry have led to the enzymatic production of angiotensin I-converting enzyme (ACE)-inhibitory biopeptides with a strong blood pressure lowering effect from different food proteins. However, the safe oral administration of biopeptides is impeded by their enzymatic degradation due to gastrointestinal digestion. Consequently, nanoparticle (NP)-based delivery systems are used to overcome these gastrointestinal barriers to maintain the improved bioavailability and efficacy of the encapsulated biopeptides. In the present study, the ACE-inhibitory biopeptides were generated from stone fish (Actinopyga lecanora) protein using bromelain and stabilized by their encapsulation in chitosan (chit) nanoparticles (NPs). The nanoparticles were characterized for in vitro physicochemical properties and their antihypertensive effect was then evaluated on spontaneously hypertensive rats (SHRs). The results of a physicochemical characterization showed a small particle size of 162.70 nm, a polydispersity index (pdi) value of 0.28, a zeta potential of 48.78 mV, a high encapsulation efficiency of 75.36%, a high melting temperature of 146.78 degrees C and an in vitro sustained release of the biopeptides. The results of the in vivo efficacy indicated a dose-dependent blood pressure lowering effect of the biopeptide-loaded nanoparticles that was significantly higher (p < 0.05) compared with the un-encapsulated biopeptides. Moreover, the results of a morphological examination using transmission electron microscopy (TEM) demonstrated the nanoparticles as homogenous and spherical. Thus, the ACE-inhibitory biopeptides stabilized by chitosan nanoparticles can effectively reduce blood pressure for an extended period of time in hypertensive individuals. PMID- 29207481 TI - Switching between Successful and Dead-End Intermediates in Membrane Fusion. AB - Fusion of cellular membranes during normal biological processes, including proliferation, or synaptic transmission, is mediated and controlled by sophisticated protein machinery ensuring the preservation of the vital barrier function of the membrane throughout the process. Fusion of virus particles with host cell membranes is more sparingly arranged and often mediated by a single fusion protein, and the virus can afford to be less discriminative towards the possible different outcomes of fusion attempts. Formation of leaky intermediates was recently observed in some fusion processes, and an alternative trajectory of the process involving formation of pi-shaped structures was suggested. In this study, we apply the methods of elasticity theory and Lagrangian formalism augmented by phenomenological and molecular geometry constraints and boundary conditions to investigate the traits of this trajectory and the drivers behind the choice of one of the possible scenarios depending on the properties of the system. The alternative pathway proved to be a dead end, and, depending on the parameters of the participating membranes and fusion proteins, the system can either reversibly enter the corresponding "leaky" configuration or be trapped in it. A parametric study in the biologically relevant range of variables emphasized the fusion protein properties crucial for the choice of the fusion scenario. PMID- 29207482 TI - Physico-Chemical and Electrochemical Properties of Nanoparticulate NiO/C Composites for High Performance Lithium and Sodium Ion Battery Anodes. AB - Nanoparticulate NiO and NiO/C composites with different carbon proportions have been prepared for anode application in lithium and sodium ion batteries. Structural characterization demonstrated the presence of metallic Ni in the composites. Morphological study revealed that the NiO and Ni nanoparticles were well dispersed in the matrix of amorphous carbon. The electrochemical study showed that the lithium ion batteries (LIBs), containing composites with carbon, have promising electrochemical performances, delivering specific discharge capacities of 550 mAh/g after operating for 100 cycles at 1C. These excellent results could be explained by the homogeneity of particle size and structure, as well as the uniform distribution of NiO/Ni nanoparticles in the in situ generated amorphous carbon matrix. On the other hand, the sodium ion battery (NIB) with the NiO/C composite revealed a poor cycling stability. Post-mortem analyses revealed that this fact could be ascribed to the absence of a stable Solid Electrolyte Interface (SEI) or passivation layer upon cycling. PMID- 29207483 TI - Biochemical, Physiological and Transcriptomic Comparison between Burley and Flue Cured Tobacco Seedlings in Relation to Carbohydrates and Nitrate Content. AB - Burley tobacco is a genotype of chloroplast-deficient mutant with accumulates high levels of tobacco-specific nitrosamines (TSNAs) which would induce malignant tumors in animals. Nitrate is a principle precursor of tobacco-specific nitrosamines. Nitrate content in burley tobacco was significantly higher than that in flue-cured tobacco. The present study investigated differences between the two tobacco types to explore the mechanisms of nitrate accumulation in burley tobacco. transcripts (3079) related to the nitrogen and carbon metabolism were observed. Expression of genes involved in carbon fixation, glucose and starch biosynthesis, nitrate translocation and assimilation were significantly low in burley tobacco than flue-cured tobacco. Being relative to flue-cured tobacco, burley tobacco was significantly lower at total nitrogen and carbohydrate content, nitrate reductase and glutamine synthetase activities, chlorophyll content and photosynthetic rate (Pn), but higher nitrate content. Burley tobacco required six-fold more nitrogen fertilizers than flue-cured tobacco, but both tobaccos had a similar leaf biomass. Reduced chlorophyll content and photosynthetic rate (Pn) might result in low carbohydrate formation, and low capacity of nitrogen assimilation and translocation might lead to nitrate accumulation in burley tobacco. PMID- 29207484 TI - Tunisian Milk Thistle: An Investigation of the Chemical Composition and the Characterization of Its Cold-Pressed Seed Oils. AB - In this study, milk thistle seeds growing in different areas in Tunisia were cold pressed and the extracted oils were examined for their chemical and antioxidant properties. The major fatty acids were linoleic acid (C18:2) (57.0%, 60.0%, and 60.3% for the milk thistle seed oils native to Bizerte, Zaghouan and Sousse, respectively) and oleic acid (C18:1) (15.5%, 21.5%, and 22.4% for the milk thistle seed oils originating from Bizerte, Zaghouan and Sousse, respectively). High performance liquid chromatography (HPLC) analysis showed the richness of the milk thistle seed oils (MTSO) in alpha-tocopherol. The highest content was recorded for that of the region of Zaghouan (286.22 mg/kg). The total phenolic contents (TPC) of Zaghouan, Bizerte, and Sousse were 1.59, 8.12, and 4.73 Gallic Acid Equivalent (GAE) mg/g, respectively. Three phenolic acids were also identified (vanillic, p-coumaric, and silybine), with a predominance of the vanillic acid. The highest value was recorded for the Zaghouan milk thistle seed oil (83 mg/100 g). Differences in outcomes between regions may be due to climatic differences in areas. Zaghouan's cold-pressed milk thistle seed oil had a better quality than those of Bizerte and Sousse, and can be considered as a valuable source for new multi-purpose products or by-products for industrial, cosmetic, and pharmaceutical utilization. PMID- 29207485 TI - Study on the Ingredient Proportions and After-Treatment of Laser Sintering Walnut Shell Composites. AB - To alleviate resource shortage, reduce the cost of materials consumption and the pollution of agricultural and forestry waste, walnut shell composites (WSPC) consisting of walnut shell as additive and copolyester hot melt adhesive (Co-PES) as binder was developed as the feedstock of selective laser sintering (SLS). WSPC parts with different ingredient proportions were fabricated by SLS and processed through after-treatment technology. The density, mechanical properties and surface quality of WSPC parts before and after post processing were analyzed via formula method, mechanical test and scanning electron microscopy (SEM), respectively. Results show that, when the volume fraction of the walnut shell powder in the WSPC reaches the maximum (40%), sintered WSPC parts have the smallest warping deformation and the highest dimension precision, although the surface quality, density, and mechanical properties are low. However, performing permeating resin as the after-treatment technology could considerably increase the tensile, bending and impact strength by 496%, 464%, and 516%, respectively. PMID- 29207486 TI - Superior Stability of Hydroxysafflor Yellow A in Xuebijing Injection and the Associated Mechanism. AB - Hydroxysafflor yellow A (HSYA) is the main bioactive ingredient of XBJ injection. At first, the stability of HSYA in solution and in a Xuebijing injection was investigated, then the mechanisms of the increased stability of HSYA in the XBJ injection were investigated to provide useful information on clinical safety. HSYA stability was investigated as a function of pH and temperature in aqueous solution and an XBJ injection, following the guidelines from the International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use. Products were identified by UPLC-MS/MS. HSYA reaction followed first-order kinetics under all conditions. The half-life of HSYA in XBJ was almost 40 times longer than in aqueous solution. The activation energies of HSYA reaction in aqueous solution and XBJ were calculated to be 78.53 and 92.90 kJ?mol-1 by using Arrhenius equation. The results indicated that HSYA was more stable in XBJ than in aqueous solution. Two products were identified and the mechanism was intra-molecular nucleophilic substitution. The excellent stability of HSYA in XBJ injection partly due to the micelles formed in the injection. The study may provide clues for compatibility in TCM prescription and also provide useful information for further preparation technology research of HSYA and assessment of clinical safety of XBJ. PMID- 29207488 TI - A Wideband Magnetoresistive Sensor for Monitoring Dynamic Fault Slip in Laboratory Fault Friction Experiments. AB - A non-contact, wideband method of sensing dynamic fault slip in laboratory geophysical experiments employs an inexpensive magnetoresistive sensor, a small neodymium rare earth magnet, and user built application-specific wideband signal conditioning. The magnetoresistive sensor generates a voltage proportional to the changing angles of magnetic flux lines, generated by differential motion or rotation of the near-by magnet, through the sensor. The performance of an array of these sensors compares favorably to other conventional position sensing methods employed at multiple locations along a 2 m long * 0.4 m deep laboratory strike-slip fault. For these magnetoresistive sensors, the lack of resonance signals commonly encountered with cantilever-type position sensor mounting, the wide band response (DC to ~ 100 kHz) that exceeds the capabilities of many traditional position sensors, and the small space required on the sample, make them attractive options for capturing high speed fault slip measurements in these laboratory experiments. An unanticipated observation of this study is the apparent sensitivity of this sensor to high frequency electomagnetic signals associated with fault rupture and (or) rupture propagation, which may offer new insights into the physics of earthquake faulting. PMID- 29207487 TI - Diffuse Axonal Injury and Oxidative Stress: A Comprehensive Review. AB - Traumatic brain injury (TBI) is one of the world's leading causes of morbidity and mortality among young individuals. TBI applies powerful rotational and translational forces to the brain parenchyma, which results in a traumatic diffuse axonal injury (DAI) responsible for brain swelling and neuronal death. Following TBI, axonal degeneration has been identified as a progressive process that starts with disrupted axonal transport causing axonal swelling, followed by secondary axonal disconnection and Wallerian degeneration. These modifications in the axonal cytoskeleton interrupt the axoplasmic transport mechanisms, causing the gradual gathering of transport products so as to generate axonal swellings and modifications in neuronal homeostasis. Oxidative stress with consequent impairment of endogenous antioxidant defense mechanisms plays a significant role in the secondary events leading to neuronal death. Studies support the role of an altered axonal calcium homeostasis as a mechanism in the secondary damage of axon, and suggest that calcium channel blocker can alleviate the secondary damage, as well as other mechanisms implied in the secondary injury, and could be targeted as a candidate for therapeutic approaches. Reactive oxygen species (ROS) mediated axonal degeneration is mainly caused by extracellular Ca2+. Increases in the defense mechanisms through the use of exogenous antioxidants may be neuroprotective, particularly if they are given within the neuroprotective time window. A promising potential therapeutic target for DAI is to directly address mitochondria-related injury or to modulate energetic axonal energy failure. PMID- 29207489 TI - Quinacrine Inhibits ICAM-1 Transcription by Blocking DNA Binding of the NF-kappaB Subunit p65 and Sensitizes Human Lung Adenocarcinoma A549 Cells to TNF-alpha and the Fas Ligand. AB - Quinacrine has been used for therapeutic drugs in some clinical settings. In the present study, we demonstrated that quinacrine decreased the expression of intercellular adhesion molecule-1 (ICAM-1) induced by tumor necrosis factor (TNF) alpha and interleukin-1 (IL-1) alpha in human lung adenocarcinoma A549 cells. Quinacrine inhibited ICAM-1 mRNA expression and nuclear factor kappaB (NF-kappaB) responsive luciferase reporter activity following a treatment with TNF-alpha and IL-1alpha. In the NF-kappaB signaling pathway, quinacrine did not markedly affect the TNF-alpha-induced degradation of the inhibitor of NF-kappaB or the TNF-alpha induced phosphorylation of the NF-kappaB subunit, p65, at Ser-536 and its subsequent translocation to the nucleus. In contrast, a chromatin immunoprecipitation assay showed that quinacrine prevented the binding of p65 to the ICAM-1 promoter following TNF-alpha stimulation. Moreover, TNF-alpha and the Fas ligand effectively reduced the viability of A549 cells in the presence of quinacrine only. Quinacrine down-regulated the constitutive and TNF-alpha-induced expression of c-FLIP and Mcl-1 in A549 cells. These results revealed that quinacrine inhibits ICAM-1 transcription by blocking the DNA binding of p65 and sensitizes A549 cells to TNF-alpha and the Fas ligand. PMID- 29207490 TI - Is Trabecular Bone Score Valuable in Bone Microstructure Assessment after Gastric Bypass in Women with Morbid Obesity? AB - INTRODUCTION: The effects of bariatric surgery on skeletal health raise many concerns. Trabecular bone score (TBS) is obtained through the analysis of lumbar spine dual X-ray absorptiometry (DXA) images and allows an indirect assessment of skeletal microarchitecture (MA). The aim of our study was to evaluate the changes in bone mineral density (BMD) and alterations in bone microarchitecture assessed by TBS in morbidly obese women undergoing Roux-en-Y gastric bypass (RYGB), over a three-year follow-up. MATERIAL/METHODS: A prospective study of 38 morbidly obese white women, aged 46.3 +/- 8.2 years, undergoing RYGB was conducted. Biochemical analyses and DXA scans with TBS evaluation were performed before and at one year and three years after surgery. RESULTS: Patients showed normal calcium and phosphorus plasma concentrations throughout the study. However, 25-hydroxyvitamin D (25(OH)D3) decreased, and 71% of patients had a vitamin D deficiency at three years. BMD at femoral neck and lumbar spine (LSBMD) significantly decreased 13.53 +/- 5.42% and 6.03 +/- 6.79%, respectively, during the three-year follow-up; however Z-score values remained above those for women of the same age. TBS was within normal ranges at one and three years (1.431 +/- 106 and 1.413 +/- 85, respectively), and at the end of the study, 73.7% of patients had normal bone MA. TBS at three years correlated inversely with age (r = -0.41, p = 0.010), body fat (r = -0.465, p = 0.004) and greater body fat deposited in trunk (r = -0.48, p = 0.004), and positively with LSBMD (r = 0.433, p = 0.007), fat mass loss (r = 0.438, p = 0.007) and lean mass loss (r = 0.432, p = 0.008). In the regression analysis, TBS remained associated with body fat (beta = -0.625, p = 0.031; R2 = 0.47). The fracture risk, calculated by FRAX(r) (University of Sheffield, Sheffield, UK), with and without adjustment by TBS, was low. CONCLUSION: Women undergoing RYGB in the mid-term have a preserved bone MA, assessed by TBS. PMID- 29207491 TI - Dietary Intake of High-Protein Foods and Other Major Foods in Meat-Eaters, Poultry-Eaters, Fish-Eaters, Vegetarians, and Vegans in UK Biobank. AB - Vegetarian diets are defined by the absence of meat and fish, but differences in the intake of other foods between meat-eaters and low or non-meat eaters are also important to document. We examined intakes of high-protein foods (meat, poultry, fish, legumes, nuts, vegetarian protein alternatives, dairy products, and eggs) and other major food groups (fruit, vegetables, bread, pasta, rice, snack foods, and beverages) in regular meat-eaters, low meat-eaters, poultry-eaters, fish eaters, vegetarians, and vegans of white ethnicity participating in UK Biobank who had completed at least one web-based 24-h dietary assessment (n = 199,944). In regular meat-eaters, around 25% of total energy came from meat, fish, dairy and plant milk, cheese, yogurt, and eggs. In vegetarians, around 20% of energy came from dairy and plant milk, cheese, yoghurt, eggs, legumes, nuts, and vegetarian protein alternatives, and in vegans around 15% came from plant milk, legumes, vegetarian alternatives, and nuts. Low and non-meat eaters had higher intakes of fruit and vegetables and lower intakes of roast or fried potatoes compared to regular meat-eaters. The differences in the intakes of meat, plant based high-protein foods, and other foods between meat-eaters and low and non meat eaters in UK Biobank may contribute to differences in health outcomes. PMID- 29207492 TI - Rapid Non-Enzymatic Glycation of the Insulin Receptor under Hyperglycemic Conditions Inhibits Insulin Binding In Vitro: Implications for Insulin Resistance. AB - The causes of insulin resistance are not well-understood in either type 1 or type 2 diabetes. Insulin (INS) is known to undergo rapid non-enzymatic covalent conjugation to glucose or other sugars (glycation). Because the insulin receptor (IR) has INS-like regions associated with both glucose and INS binding, we hypothesize that hyperglycemic conditions may rapidly glycate the IR, chronically interfering with INS binding. IR peptides were synthesized spanning IR- associated INS-binding regions. Glycation rates of peptides under hyperglycemic conditions were followed over six days using matrix assisted laser desorption/ionization-time of flight (MALDI-TOF) mass spectrometry. INS conjugated to horse-radish peroxidase was used to determine INS binding to IR peptides in glycated and non-glycated forms. Several IR peptides were glycated up to 14% within days of exposure to 20-60 mM glucose. Rates of IR-peptide glycation were comparable to those of insulin. Glycation of four IR peptides significantly inhibits INS binding to them. Glycation of intact IR also decreases INS binding by about a third, although it was not possible to confirm the glycation sites on the intact IR. Glycation of the IR may therefore provide a mechanism by which INS resistance develops in diabetes. Demonstration of glycation of intact IR in vivo is needed. PMID- 29207493 TI - Glycoprotein 90K Promotes E-Cadherin Degradation in a Cell Density-Dependent Manner via Dissociation of E-Cadherin-p120-Catenin Complex. AB - Glycoprotein 90K (also known as LGALS3BP or Mac-2BP) is a tumor-associated protein, and high 90K levels are associated with poor prognosis in some cancers. To clarify the role of 90K as an indicator for poor prognosis and metastasis in epithelial cancers, the present study investigated the effect of 90K on an adherens junctional protein, E-cadherin, which is frequently absent or downregulated in human epithelial cancers. Treatment of certain cancer cells with 90K significantly reduced E-cadherin levels in a cell-population-dependent manner, and these cells showed decreases in cell adhesion and increases in invasive cell motility. Mechanistically, 90K-induced E-cadherin downregulation occurred via ubiquitination-mediated proteasomal degradation. 90K interacted with the E-cadherin-p120-catenin complex and induced its dissociation, altering the phosphorylation status of p120-catenin, whereas it did not associate with beta catenin. In subconfluent cells, 90K decreased membrane-localized p120-catenin and the membrane fraction of the p120-catenin. Particularly, 90K-induced E-cadherin downregulation was diminished in p120-catenin knocked-down cells. Taken together, 90K upregulation promotes the dissociation of the E-cadherin-p120-catenin complex, leading to E-cadherin proteasomal degradation, and thereby destabilizing adherens junctions in less confluent tumor cells. Our results provide a potential mechanism to explain the poor prognosis of cancer patients with high serum 90K levels. PMID- 29207494 TI - An Opportunistic Pathogen Afforded Ample Opportunities: Middle East Respiratory Syndrome Coronavirus. AB - The human coronaviruses (CoV) include HCoV-229E, HCoV-OC43, HCoV-NL63, and HCoV HKU1, some of which have been known for decades. The severe acute respiratory syndrome (SARS) CoV briefly emerged into the human population but was controlled. In 2012, another novel severely human pathogenic CoV-the Middle East Respiratory Syndrome (MERS)-CoV-was identified in the Kingdom of Saudi Arabia; 80% of over 2000 human cases have been recorded over five years. Targeted research remains key to developing control strategies for MERS-CoV, a cause of mild illness in its camel reservoir. A new therapeutic toolbox being developed in response to MERS is also teaching us more about how CoVs cause disease. Travel-related cases continue to challenge the world's surveillance and response capabilities, and more data are needed to understand unexplained primary transmission. Signs of genetic change have been recorded, but it remains unclear whether there is any impact on clinical disease. How camels came to carry the virus remains academic to the control of MERS. To date, human-to-human transmission has been inefficient, but virus surveillance, characterisation, and reporting are key to responding to any future change. MERS-CoV is not currently a pandemic threat; it is spread mainly with the aid of human habit and error. PMID- 29207496 TI - Cationic Biomimetic Particles of Polystyrene/Cationic Bilayer/Gramicidin for Optimal Bactericidal Activity. AB - Nanostructured particles of polystyrene sulfate (PSS) covered by a cationic lipid bilayer of dioctadecyldimethylammonium bromide (DODAB) incorporated gramicidin D (Gr) yielding optimal and broadened bactericidal activity against both Escherichia coli and Staphylococcus aureus. The adsorption of DODAB/Gr bilayer onto PSS nanoparticles (NPs) increased the zeta-average diameter by 8-10 nm, changed the zeta-potential of the NPs from negative to positive, and yielded a narrow size distributions for the PSS/DODAB/Gr NPs, which displayed broad and maximal microbicidal activity at very small concentrations of the antimicrobials, namely, 0.057 and 0.0057 mM DODAB and Gr, respectively. The results emphasized the advantages of highly-organized, nanostructured, and cationic particles to achieve hybrid combinations of antimicrobials with broad spectrum activity at considerably reduced DODAB and Gr concentrations. PMID- 29207495 TI - Validity of Dietary Assessment in Athletes: A Systematic Review. AB - Dietary assessment methods that are recognized as appropriate for the general population are usually applied in a similar manner to athletes, despite the knowledge that sport-specific factors can complicate assessment and impact accuracy in unique ways. As dietary assessment methods are used extensively within the field of sports nutrition, there is concern the validity of methodologies have not undergone more rigorous evaluation in this unique population sub-group. The purpose of this systematic review was to compare two or more methods of dietary assessment, including dietary intake measured against biomarkers or reference measures of energy expenditure, in athletes. Six electronic databases were searched for English-language, full-text articles published from January 1980 until June 2016. The search strategy combined the following keywords: diet, nutrition assessment, athlete, and validity; where the following outcomes are reported but not limited to: energy intake, macro and/or micronutrient intake, food intake, nutritional adequacy, diet quality, or nutritional status. Meta-analysis was performed on studies with sufficient methodological similarity, with between-group standardized mean differences (or effect size) and 95% confidence intervals (CI) being calculated. Of the 1624 studies identified, 18 were eligible for inclusion. Studies comparing self reported energy intake (EI) to energy expenditure assessed via doubly labelled water were grouped for comparison (n = 11) and demonstrated mean EI was under estimated by 19% (-2793 +/- 1134 kJ/day). Meta-analysis revealed a large pooled effect size of -1.006 (95% CI: -1.3 to -0.7; p < 0.001). The remaining studies (n = 7) compared a new dietary tool or instrument to a reference method(s) (e.g., food record, 24-h dietary recall, biomarker) as part of a validation study. This systematic review revealed there are limited robust studies evaluating dietary assessment methods in athletes. Existing literature demonstrates the substantial variability between methods, with under- and misreporting of intake being frequently observed. There is a clear need for careful validation of dietary assessment methods, including emerging technical innovations, among athlete populations. PMID- 29207497 TI - Accumulation of De-Icing Salt and Leaching in Spanish Soils Surrounding Roadways. AB - The environmental implications of soil salinity caused by accumulation of de icing salt and leaching in soils of northeastern Spain were examined. For this purpose, the concentrations of ions associated with diagnosing and managing this problem were evaluated from several measurements performed over one year along a road. This analysis demonstrated a higher concentration of soluble Na+ in the soil 3 m from a road in the northernmost part of the study area in February, which made the soil saline-sodic. Data from the rest of the study period (during the spring and summer) demonstrated that the de-icing salt moved to areas farther south by runoff water, which caused environmental impacts by modifying soil characteristics. These results suggest that leaching of Ca2+ and Mg2+ cations occurred faster in the studied systems in sodic soils. Leaching of these cations may affect plant yield, and results in environmental impacts within 3-30 m from the road. Awareness of this impact will be useful for developing future strategies for evaluating and reporting these complex relationships within Spain's transport system and environment. PMID- 29207498 TI - Steppogenin Isolated from Cudrania tricuspidata Shows Antineuroinflammatory Effects via NF-kappaB and MAPK Pathways in LPS-Stimulated BV2 and Primary Rat Microglial Cells. AB - Excessive microglial stimulation has been recognized in several neurodegenerative diseases, including Parkinson's disease (PD), Alzheimer's disease (AD), amyotropic lateral sclerosis (ALS), HIV-associated dementia (HAD), multiple sclerosis (MS), and stroke. When microglia are stimulated, they produce proinflammatory mediators and cytokines, including nitric oxide (NO) derived from inducible NO synthase (iNOS), prostaglandin E2 (PGE2) derived from cyclooxygenase 2 (COX-2), tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta), interleukin-12 (IL-12), and interleukin-6 (IL-6). These inflammatory reactions are related to the nuclear factor-kappa B (NF-kappaB) and mitogen-activated protein kinase (MAPK) signaling pathways. Therefore, the modulation of NF-kappaB and MAPK is vital to prevent microglial activation and confer resistance against neuronal injury. In this study, steppogenin (1) isolated from Cudrania tricuspidata suppressed the neuroinflammatory responses to lipopolysaccharide (LPS). Steppogenin (1) inhibited the production of proinflammatory mediators and cytokines in LPS-challenged BV2 and rat primary microglial cells. Moreover, western blot analysis and immunofluorescence revealed that the nuclear translocation of NF-kappaB was inhibited in LPS-induced BV2 and rat primary microglial cells. The LPS-stimulated activation of BV2 and rat primary microglial cells was inhibited by steppogenin (1) through the suppression of c-Jun NH2 terminal kinase (JNK) and p38 MAPK signaling. These results suggested that steppogenin (1) exerted antineuroinflammatory effects against acute neuroinflammation in BV2 and rat primary microglial cells by suppressing the activation of NF-kappaB and MAPK signaling and the production of proinflammatory mediators and cytokines. PMID- 29207499 TI - Sulfur-Mediated-Alleviation of Aluminum-Toxicity in Citrus grandis Seedlings. AB - Limited data are available on the sulfur (S)-mediated-alleviation of aluminum (Al)-toxicity in higher plants. Citrus grandis seedlings were irrigated for 18 weeks with 0.5 mM MgSO4 or 0.5 mM MgSO4 + 0.5 mM Na2SO4, and 0 (-Al) or 1 mM AlCl3.6H2O (+Al, Al-toxicity). Under Al-toxicity, S decreased the level of Al in leaves; increased the relative water content (RWC) of roots and leaves, the contents of phosphorus (P), calcium (Ca) and magnesium (Mg) per plant, the dry weights (DW) of roots and shoots, the ratios of root DW/shoot DW, and the Al induced secretion of citrate from root; and alleviated the Al-induced inhibition of photosynthesis via mitigating the Al-induced decrease of electron transport capacity resulting from the impaired photosynthetic electron transport chain. In addition to decreasing the Al-stimulated H2O2 production, the S-induced upregulation of both S metabolism-related enzymes and antioxidant enzymes also contributed to the S-mediated-alleviation of oxidative damage in Al-treated roots and leaves. Decreased transport of Al from roots to shoots and relatively little accumulation of Al in leaves, and increased leaf and root RWC and P, Ca, and Mg contents per plant might also play a role in the S-mediated-alleviation of Al toxicity. PMID- 29207500 TI - Enrichment of Circular Code Motifs in the Genes of the Yeast Saccharomyces cerevisiae. AB - A set X of 20 trinucleotides has been found to have the highest average occurrence in the reading frame, compared to the two shifted frames, of genes of bacteria, archaea, eukaryotes, plasmids and viruses. This set X has an interesting mathematical property, since X is a maximal C3 self-complementary trinucleotide circular code. Furthermore, any motif obtained from this circular code X has the capacity to retrieve, maintain and synchronize the original (reading) frame. Since 1996, the theory of circular codes in genes has mainly been developed by analysing the properties of the 20 trinucleotides of X, using combinatorics and statistical approaches. For the first time, we test this theory by analysing the X motifs, i.e., motifs from the circular code X, in the complete genome of the yeast Saccharomyces cerevisiae. Several properties of X motifs are identified by basic statistics (at the frequency level), and evaluated by comparison to R motifs, i.e., random motifs generated from 30 different random codes R. We first show that the frequency of X motifs is significantly greater than that of R motifs in the genome of S. cerevisiae. We then verify that no significant difference is observed between the frequencies of X and R motifs in the non-coding regions of S. cerevisiae, but that the occurrence number of X motifs is significantly higher than R motifs in the genes (protein-coding regions). This property is true for all cardinalities of X motifs (from 4 to 20) and for all 16 chromosomes. We further investigate the distribution of X motifs in the three frames of S. cerevisiae genes and show that they occur more frequently in the reading frame, regardless of their cardinality or their length. Finally, the ratio of X genes, i.e., genes with at least one X motif, to non-X genes, in the set of verified genes is significantly different to that observed in the set of putative or dubious genes with no experimental evidence. These results, taken together, represent the first evidence for a significant enrichment of X motifs in the genes of an extant organism. They raise two hypotheses: the X motifs may be evolutionary relics of the primitive codes used for translation, or they may continue to play a functional role in the complex processes of genome decoding and protein synthesis. PMID- 29207501 TI - Detection of a Planktothrix agardhii Bloom in Portuguese Marine Coastal Waters. AB - Cyanobacteria blooms are frequent in freshwaters and are responsible for water quality deterioration and human intoxication. Although, not a new phenomenon, concern exists on the increasing persistence, scale, and toxicity of these blooms. There is evidence, in recent years, of the transfer of these toxins from inland to marine waters through freshwater outflow. However, the true impact of these blooms in marine habitats has been overlooked. In the present work, we describe the detection of Planktothrix agardhii, which is a common microcystin producer, in the Portuguese marine coastal waters nearby a river outfall in an area used for shellfish harvesting and recreational activities. P. agardhii was first observed in November of 2016 in seawater samples that are in the scope of the national shellfish monitoring system. This occurrence was followed closely between November and December of 2016 by a weekly sampling of mussels and water from the sea pier and adjacent river mouth with salinity ranging from 35 to 3. High cell densities were found in the water from both sea pier and river outfall, reaching concentrations of 4,960,608 cells.L-1 and 6810.3 * 106 cells.L-1 respectively. Cultures were also established with success from the environment and microplate salinity growth assays showed that the isolates grew at salinity 10. HPLC-PDA analysis of total microcystin content in mussel tissue, water biomass, and P. agardhii cultures did not retrieve a positive result. In addition, microcystin related genes were not detected in the water nor cultures. So, the P. agardhii present in the environment was probably a non-toxic strain. This is, to our knowledge, the first report on a P. agardhii bloom reaching the sea and points to the relevance to also monitoring freshwater harmful phytoplankton and related toxins in seafood harvesting and recreational coastal areas, particularly under the influence of river plumes. PMID- 29207502 TI - Relationship between Vitamin Intake and Depressive Symptoms in Elderly Japanese Individuals: Differences with Gender and Body Mass Index. AB - Only a few studies have focused on the relationship between vitamin intake and depressive symptoms in Japanese individuals. This cross-sectional study investigated the relationship between vitamin intake and depressive symptoms in 1634 elderly Japanese individuals (65 years and older). The consumption of fifteen vitamins including retinol, a retinol equivalent, beta-carotene equivalent, vitamin D, alpha-tocopherol, vitamin K, vitamin group B, vitamin C, and cryptoxanthine was analyzed using a brief-type self-administered diet history questionnaire (BDHQ). The short version of the Geriatric Depression Scale (GDS) was used to assess depressive symptoms. The prevalence of participants with depressive symptoms was 26.7%. The consumption of all vitamins, except for retinol and vitamin D, was lower among depressed than non-depressed participants. The consumption of vitamins was significantly less in female and overweight participants with depressive symptoms than in elderly participants without depressive symptoms. After adjustments for potential confounders, none of the fifteen vitamins were correlated with depressive symptoms in male or underweight participants. Associations between vitamin deficiencies and depressive symptoms were observed in female and overweight elderly participants. Our findings demonstrated a relationship between vitamin intake and depressive symptoms. PMID- 29207504 TI - Effect of Anisotropy on the Resilient Behaviour of a Granular Material in Low Traffic Pavement. AB - Granular materials are often used in pavement structures. The influence of anisotropy on the mechanical behaviour of granular materials is very important. The coupled effects of water content and fine content usually lead to more complex anisotropic behaviour. With a repeated load triaxial test (RLTT), it is possible to measure the anisotropic deformation behaviour of granular materials. This article initially presents an experimental study of the resilient repeated load response of a compacted clayey natural sand with three fine contents and different water contents. Based on anisotropic behaviour, the non-linear resilient model (Boyce model) is improved by the radial anisotropy coefficient gamma3 instead of the axial anisotropy coefficient gamma1. The results from both approaches (gamma1 and gamma3) are compared with the measured volumetric and deviatoric responses. These results confirm the capacity of the improved model to capture the general trend of the experiments. Finally, finite element calculations are performed with CAST3M in order to validate the improvement of the modified Boyce model (from gamma1 to gamma3). The modelling results indicate that the modified Boyce model with gamma3 is more widely available in different water contents and different fine contents for this granular material. Besides, based on the results, the coupled effects of water content and fine content on the deflection of the structures can also be observed. PMID- 29207503 TI - Detection of Nuclear Protein Profile Changes by Human Metapneumovirus M2-2 Protein Using Quantitative Differential Proteomics. AB - Human metapneumovirus (hMPV) is a leading cause of lower respiratory infection in pediatric populations globally. This study examined proteomic profile changes in A549 cells infected with hMPV and two attenuated mutants with deleted PDZ domain binding motif(s) in the M2-2 protein. These motifs are involved in the interruption of antiviral signaling, namely the interaction between the TNF receptor associated factor (TRAF) and mitochondrial antiviral-signaling (MAVS) proteins. The aim of this study was to provide insight into the overall and novel impact of M2-2 motifs on cellular responses via an unbiased comparison. Tandem mass tagging, stable isotope labeling, and high-resolution mass spectrometry were used for quantitative proteomic analysis. Using quantitative proteomics and Venn analysis, 1248 common proteins were detected in all infected samples of both technical sets. Hierarchical clustering of the differentiated proteome displayed distinct proteomic signatures that were controlled by the motif(s). Bioinformatics and experimental analysis confirmed the differentiated proteomes, revealed novel cellular biological events, and implicated key pathways controlled by hMPV M2-2 PDZ domain-binding motif(s). This provides further insight for evaluating M2-2 mutants as potent vaccine candidates. PMID- 29207505 TI - Co-Precipitation, Strength and Electrical Resistivity of Cu-26 wt % Ag-0.1 wt % Fe Alloy. AB - Both a Cu-26 wt % Ag (Fe-free) alloy and Cu-26 wt % Ag-0.1 wt % Fe (Fe-doping) alloy were subjected to different heat treatments. We studied the precipitation kinetics of Ag and Cu, microstructure evolution, magnetization, hardness, strength, and electrical resistivity of the two alloys. Fe addition was incapable of changing the precipitation kinetics of Ag and Cu; however, it decreased the size and spacing of rod-shaped Ag precipitates within a Cu matrix, because Fe might affect the elastic strain field and diffusion field, suppressing the nucleation of Ag precipitates. Magnetization curves showed that gamma-Fe precipitates were precipitated out of the Cu matrix, along with Ag precipitates in Fe-doping alloy after heat treatments. The yield strength of the Fe-doping alloy was higher than that of the Fe-free alloy, and the maximum increment was about 41.3%. The electrical conductivity in the aged Fe-doping alloy was up to about 67% IACS (International Annealed Copper Standard). Hardness, strength, and electrical resistivity were intensively discussed, based on the microstructural characterization and solute contributions of both alloys. Our results demonstrated that an increasing fraction of nanoscale gamma-Fe precipitates and decreasing spacing between Ag precipitates resulted in the increasing strength of the Fe-doping alloy. PMID- 29207506 TI - Longitudinal Surveillance of Porcine Rotavirus B Strains from the United States and Canada and In Silico Identification of Antigenically Important Sites. AB - Rotavirus B (RVB) is an important swine pathogen, but control and prevention strategies are limited without an available vaccine. To develop a subunit RVB vaccine with maximal effect, we characterized the amino acid sequence variability and predicted antigenicity of RVB viral protein 7 (VP7), a major neutralizing antibody target, from clinically infected pigs in the United States and Canada. We identified genotype-specific antigenic sites that may be antibody neutralization targets. While some antigenic sites had high amino acid functional group diversity, nine antigenic sites were completely conserved. Analysis of nucleotide substitution rates at amino acid sites (dN/dS) suggested that negative selection appeared to be playing a larger role in the evolution of the identified antigenic sites when compared to positive selection, and was identified in six of the nine conserved antigenic sites. These results identified important characteristics of RVB VP7 variability and evolution and suggest antigenic residues on RVB VP7 that are negatively selected and highly conserved may be good candidate regions to include in a subunit vaccine design due to their tendency to remain stable. PMID- 29207507 TI - Zinc Ameliorate Oxidative Stress and Hormonal Disturbance Induced by Methomyl, Abamectin, and Their Mixture in Male Rats. AB - Exposure to mixtures of toxicants (e.g., pesticides) is common in real life and a subject of current concern. The present investigation was undertaken to assess some toxicological effects in male rats following exposure to methomyl (MET), abamectin (ABM), and their combination (MET+ABM), and to evaluate the ameliorative effect of zinc co-administration. Three groups of rats were designated for MET, ABM, and the mixture treatments. Three other groups were designated for zinc in conjunction with the pesticides. Additionally, one group received water only (control), and the other represented a positive zinc treatment. The obtained results revealed that MET was acutely more toxic than ABM. The tested pesticides induced significant elevation in lipid peroxidation and catalase levels, while declined the levels of the other tested parameters e.g., Superoxide dismutase (SOD), Glutathione-S-transferase (GST), Glutathione peroxidase (GPx), Glutathione reductase (GR), Cytochrome P450 (CYP450), testosterone, and thyroxine). Biochemical alterations induced by the mixture were greater than those recorded for each of the individual insecticides. The joint action analysis, based on the obtained biochemical data, revealed the dominance of antagonistic action among MET and ABM. Zinc supplementation achieved noticeable ameliorative effects. It was concluded that zinc may act as a powerful antioxidant, especially in individuals who are occupationally exposed daily to low doses of such pesticides. PMID- 29207509 TI - A Round-Efficient Authenticated Key Agreement Scheme Based on Extended Chaotic Maps for Group Cloud Meeting. AB - The security is a critical issue for business purposes. For example, the cloud meeting must consider strong security to maintain the communication privacy. Considering the scenario with cloud meeting, we apply extended chaotic map to present passwordless group authentication key agreement, termed as Passwordless Group Authentication Key Agreement (PL-GAKA). PL-GAKA improves the computation efficiency for the simple group password-based authenticated key agreement (SGPAKE) proposed by Lee et al. in terms of computing the session key. Since the extended chaotic map has equivalent security level to the Diffie-Hellman key exchange scheme applied by SGPAKE, the security of PL-GAKA is not sacrificed when improving the computation efficiency. Moreover, PL-GAKA is a passwordless scheme, so the password maintenance is not necessary. Short-term authentication is considered, hence the communication security is stronger than other protocols by dynamically generating session key in each cloud meeting. In our analysis, we first prove that each meeting member can get the correct information during the meeting. We analyze common security issues for the proposed PL-GAKA in terms of session key security, mutual authentication, perfect forward security, and data integrity. Moreover, we also demonstrate that communicating in PL-GAKA is secure when suffering replay attacks, impersonation attacks, privileged insider attacks, and stolen-verifier attacks. Eventually, an overall comparison is given to show the performance between PL-GAKA, SGPAKE and related solutions. PMID- 29207508 TI - Preparation of A Spaceflight: Apoptosis Search in Sutured Wound Healing Models. AB - To prepare the ESA (European Space Agency) spaceflight project "Wound healing and Sutures in Unloading Conditions", we studied mechanisms of apoptosis in wound healing models based on ex vivo skin tissue cultures, kept for 10 days alive in serum-free DMEM/F12 medium supplemented with bovine serum albumin, hydrocortisone, insulin, ascorbic acid and antibiotics at 32 degrees C. The overall goal is to test: (i) the viability of tissue specimens; (ii) the gene expression of activators and inhibitors of apoptosis and extracellular matrix components in wound and suture models; and (iii) to design analytical protocols for future tissue specimens after post-spaceflight download. Hematoxylin-Eosin and Elastica-van-Gieson staining showed a normal skin histology with no signs of necrosis in controls and showed a normal wound suture. TdT-mediated dUTP-biotin nick end labeling for detecting DNA fragmentation revealed no significant apoptosis. No activation of caspase-3 protein was detectable. FASL, FADD, CASP3, CASP8, CASP10, BAX, BCL2, CYC1, APAF1, LAMA3 and SPP1 mRNAs were not altered in epidermis and dermis samples with and without a wound compared to 0 day samples (specimens investigated directly post-surgery). BIRC5, CASP9, and FN1 mRNAs were downregulated in epidermis/dermis samples with and/or without a wound compared to 0 day samples. BIRC2, BIRC3 were upregulated in 10 day wound samples compared to 0 day samples in epidermis/dermis. RELA/FAS mRNAs were elevated in 10 day wound and no wound samples compared to 0 day samples in dermis. In conclusion, we demonstrate that it is possible to maintain live skin tissue cultures for 10 days. The viability analysis showed no significant signs of cell death in wound and suture models. The gene expression analysis demonstrated the interplay of activators and inhibitors of apoptosis and extracellular matrix components, thereby describing important features in ex vivo sutured wound healing models. Collectively, the performed methods defining analytical protocols proved to be applicable for post-flight analyzes of tissue specimens after sample return. PMID- 29207510 TI - A Combined Approach of Sensor Data Fusion and Multivariate Geostatistics for Delineation of Homogeneous Zones in an Agricultural Field. AB - To assess spatial variability at the very fine scale required by Precision Agriculture, different proximal and remote sensors have been used. They provide large amounts and different types of data which need to be combined. An integrated approach, using multivariate geostatistical data-fusion techniques and multi-source geophysical sensor data to determine simple summary scale-dependent indices, is described here. These indices can be used to delineate management zones to be submitted to differential management. Such a data fusion approach with geophysical sensors was applied in a soil of an agronomic field cropped with tomato. The synthetic regionalized factors determined, contributed to split the 3D edaphic environment into two main horizontal structures with different hydraulic properties and to disclose two main horizons in the 0-1.0-m depth with a discontinuity probably occurring between 0.40 m and 0.70 m. Comparing this partition with the soil properties measured with a shallow sampling, it was possible to verify the coherence in the topsoil between the dielectric properties and other properties more directly related to agronomic management. These results confirm the advantages of using proximal sensing as a preliminary step in the application of site-specific management. Combining disparate spatial data (data fusion) is not at all a naive problem and novel and powerful methods need to be developed. PMID- 29207512 TI - Molecular Investigation of the Stem Snap Point in Textile Hemp. AB - Fibre crops are important natural resources, as they sustainably provide bast fibres, an economically-valuable raw material used in the textile and biocomposite sectors. Among fibre crops, textile hemp (Cannabis sativa L.) is appreciated for its long and strong gelatinous bast fibres. The stem of fibre crops is a useful system for cell wall-oriented studies, because it shows a strong tissue polarity with a lignified inner core and a cellulosic hypolignified cortex, as well as a basipetal lignification gradient. Along the stem axis of fibre crops, a specific region, denoted snap point, marks the transition from elongation (above it) to fibre thickening (below it). After empirically determining the snap point by tilting the plant, we divided the stem segment containing it into three non-overlapping consecutive regions measuring 1 cm each, and carried out targeted RT-qPCR on cell wall-related genes separately, in outer and inner tissues. Different gene clusters can be observed, two of which are the major gene groups, i.e., one group with members expressed at higher levels in the inner tissues, and one group whose genes are more expressed in the cortex. The present results provide a molecular validation that the snap point is characterised by a gradient of events associated with the shift from fibre elongation to thickening. PMID- 29207511 TI - Subcellular Trafficking of the Papillomavirus Genome during Initial Infection: The Remarkable Abilities of Minor Capsid Protein L2. AB - Since 2012, our understanding of human papillomavirus (HPV) subcellular trafficking has undergone a drastic paradigm shift. Work from multiple laboratories has revealed that HPV has evolved a unique means to deliver its viral genome (vDNA) to the cell nucleus, relying on myriad host cell proteins and processes. The major breakthrough finding from these recent endeavors has been the realization of L2-dependent utilization of cellular sorting factors for the retrograde transport of vDNA away from degradative endo/lysosomal compartments to the Golgi, prior to mitosis-dependent nuclear accumulation of L2/vDNA. An overview of current models of HPV entry, subcellular trafficking, and the role of L2 during initial infection is provided below, highlighting unresolved questions and gaps in knowledge. PMID- 29207513 TI - Methylxanthine Content in Commonly Consumed Foods in Spain and Determination of Its Intake during Consumption. AB - Methylxanthines present psychostimulant effects. These compounds have low toxicity and their consumption at moderate levels presents some beneficial health effects, whereas some significant risk appears at high levels. Samples of common types of methylxanthine-containing beverages and foods consumed in Spain were analyzed to determine their content. Caffeine was the methylxanthine that was most found in the samples investigated. Instant coffees gave the highest caffeine percentage (18-44 mg.g-1). Green and scented teas were found to have a caffeine dry-weight content (8-26 mg.g-1) equivalent to ground coffees (13-23 mg.g-1), but black and pu-erh teas (18-30 mg.g-1) had a higher caffeine content. The evaluation of the most conventional methods for preparing espresso coffees showed that an espresso contains between 88-116 mg of caffeine. In the case of tea beverages, the amount of caffeine present was 2-3 times smaller than in espresso coffees. Energy drinks showed a similar caffeine content (80-106 mg) as espresso coffees. Chocolates had the lowest caffeine content. It has been found that none of the foods evaluated reach the recommended daily intake limit of 400 mg of caffeine with a single dose. This limit can be reached with 4-5 doses in the case of coffees and energy drinks. In the case of chocolates, the methylxanthine compound detected at large levels was theobromine, with amounts ranging from 4 to 10 mg.g-1 for dark chocolates. PMID- 29207514 TI - Nutrition Counselling Practices among General Practitioners in Croatia. AB - Chronic non-communicable diseases are a significant public health problem and imbalanced nutrition is one of the most significant risk factor for them. The objective of this study was to examine Croatia's general practitioners' nutrition counselling practice and determine the factors that influence such practice. A cross-sectional study was conducted among 444 (17.0%) randomly selected general practitioners (GPs) in Croatia from May to July 2013 via a 32-item anonymous questionnaire. Study showed that 77.0% of participants had provided nutrition counselling exclusively to patients with specific health risks; 18.7% participants had provided nutrition counselling for all patients, regardless of their individual risks, while 4.3% had not provide nutrition counselling. As the most significant stimulating factor for implementing nutrition counselling in their daily work with patients, 55.6% of the participants identified personal interest regarding nutrition and the effects it has on health. The latter factor was more frequently emphasized among female general practitioners (p < 0.001) and general practitioners without chronic diseases (p < 0.001). The most significant barrier for nutrition counselling was lack of time (81.6%). It is necessary to make additional efforts to increase the frequency of nutrition counselling provided by general practitioners in Croatia. The majority of Croatian general practitioners could increase their nutrition counselling practice in order to promote balanced nutrition and improve the overall health status of their patients. PMID- 29207515 TI - A Low-Cost and Portable Dual-Channel Fiber Optic Surface Plasmon Resonance System. AB - A miniaturization and integration dual-channel fiber optic surface plasmon resonance (SPR) system was proposed and demonstrated in this paper. We used a yellow light-emitting diode (LED, peak wavelength 595 nm) and built-in web camera as a light source and detector, respectively. Except for the detection channel, one of the sensors was used as a reference channel to compensate nonspecific binding and physical absorption. We packaged the LED and surface plasmon resonance (SPR) sensors together, which are flexible enough to be applied to mobile devices as a compact and portable system. Experimental results show that the normalized intensity shift and refractive index (RI) of the sample have a good linear relationship in the RI range from 1.328 to 1.348. We used this sensor to monitor the reversible, specific interaction between lectin concanavalin A (Con A) and glycoprotein ribonuclease B (RNase B), which demonstrate its capabilities of specific identification and biochemical samples concentration detection. This sensor system has potential applications in various fields, such as medical diagnosis, public health, food safety, and environment monitoring. PMID- 29207516 TI - Equine Vaccines: How, When and Why? Report of the Vaccinology Session, French Equine Veterinarians Association, 2016, Reims. AB - To date, vaccination is one of the most efficient methods of prevention against equine infectious diseases. The vaccinology session, which was organised during the annual meeting of the French Equine Veterinarians Association (AVEF) at Reims (France) in 2016, aimed to approach three subjects of importance for the equine industry. Vaccination against three major equine diseases were used as examples: equine influenza (equine influenza virus), rhinopneumonitis (equine herpes virus 1/4), and tetanus (Clostridium tetani neuro-toxin). (1) Emergency vaccination: while it has been very successful to reduce the impact of equine influenza epizooties and it is also recommended for tetanus in case of surgery and accident, the benefit of emergency vaccination against equine herpes virus 1/4 remains arguable; (2) Compatibility of equine vaccines from different brands: despite being a frequent concerns for equine veterinarians, little information is available about the compatibility of equine vaccines from different commercial origins. The consequence of mixing different equine vaccines targeting the same disease is believed to be limited but scientific evidences are sparse; and, (3) Laps vaccination and vaccine shortage: they could have serious consequences in terms of protection and their impact should be evaluated on a case by case basis, taking into account the risk of contact with the pathogen and the effect on herd immunity. PMID- 29207517 TI - Monitoring the Activity of Immobilized Lipase with Quinizarin Diester Fluoro Chromogenic Probe. AB - Quinizarin diester is used as a fluoro-chromogenic substrate of the activity of lipase supported in poly(methylmetacrylate) beads (CALB, Novozym(r) 435) dispersed in organic solvents. The monoester and diester of quinizarin are both non-fluorescent species contrasting with the enzymatic product quinizarin that shows optical absorption in the visible region and strong fluorescence signal. The enzymatic conversion is accomplished by spectroscopic measurements and it follows a sigmoid curve from which the mean reaction time of the enzymatic process can be determined. This parameter indicates the enzyme activity of the immobilized lipase. Its dependency with the amount of lipase allowed the determination of the ratio of the catalytic rate and the Michaelis constant (kc/Km) and the experimental value found was (1.0 +/- 0.1) * 10-2 mg-1/min in the case of quinizarin diacetate. PMID- 29207518 TI - Highly Sensitive and Stretchable Strain Sensor Based on Ag@CNTs. AB - Due to the rapid development and superb performance of electronic skin, we propose a highly sensitive and stretchable temperature and strain sensor. Silver nanoparticles coated carbon nanowires (Ag@CNT) nanomaterials with different Ag concentrations were synthesized. After the morphology and components of the nanomaterials were demonstrated, the sensors composed of Polydimethylsiloxane (PDMS) and CNTs or Ag@CNTs were prepared via a simple template method. Then, the electronic properties and piezoresistive effects of the sensors were tested. Characterization results present excellent performance of the sensors for the highest gauge factor (GF) of the linear region between 0-17.3% of the sensor with Ag@CNTs1 was 137.6, the sensor with Ag@CNTs2 under the strain in the range of 0 54.8% exhibiting a perfect linearity and the GF of the sensor with Ag@CNTs2 was 14.9. PMID- 29207519 TI - A Diastereoselective Synthesis of Dispiro[oxindole-cyclohexanone]pyrrolidines by 1,3-Dipolar Cycloaddition. AB - For the first time, arylmethylidene cyclohexanones that are non-symmetrical due to the presence of peripheral substituents were studied in 1,3-dipolar cycloaddition reactions. It is shown that the interaction with the azomethine ylide generated from sarcosine proceeds regio- and diastereoselectively, with the participation of two non-equivalent parts of the dipolarophile. Also for the first time, beta-amino ketones (Mannich bases) were used as dipolarophile equivalents of unsaturated ketones. It was found that cycloaddition occurs diastereoselectively at the generated center. PMID- 29207521 TI - "I Am Ready and Willing to Provide the Service ... Though My Religion Frowns on Abortion"-Ghanaian Midwives' Mixed Attitudes to Abortion Services: A Qualitative Study. AB - BACKGROUND: Unsafe abortion is a major preventable public health problem and contributes to high mortality among women. Ghana has ratified international conventions to prevent unwanted pregnancies and provide safe abortion services, legally authorizing midwives to provide induced abortion services in certain circumstances. OBJECTIVE: The aim of the study was to understand midwives' readiness to be involved in legal induced abortions, should the law become less restricted in Ghana. METHODS: A qualitative study design, with a topic guide for individual in-depth interviews of selected midwives, was adopted. The interviews were tape-recorded and analyzed using content analysis. RESULTS: Participants emphasized their willingness to reduce maternal mortalities, their experiences of maternal deaths, and their passion for the health of pregnant women. Knowledge of Ghana's abortion law was generally low. Different views were expressed regarding readiness to engage in abortion services. Some expressed it as being sinful and against their religion to assist in abortion care, whilst others felt it was good to save the lives of women. CONCLUSION: The midwives made it clear that unsafe abortions are common, stigmatizing and contributing to maternal mortality, issues that must be addressed. They made various suggestions to reduce this preventable tragedy. PMID- 29207520 TI - Plants of the Genus Zingiber as a Source of Bioactive Phytochemicals: From Tradition to Pharmacy. AB - Plants of the genus Zingiber (Family Zingiberaceae) are widely used throughout the world as food and medicinal plants. They represent very popular herbal remedies in various traditional healing systems; in particular, rhizome of Zingiber spp. plants has a long history of ethnobotanical uses because of a plethora of curative properties. Antimicrobial activity of rhizome essential oil has been extensively confirmed in vitro and attributed to its chemical components, mainly consisting of monoterpene and sesquiterpene hydrocarbons such as alpha-zingiberene, ar-curcumene, beta-bisabolene and beta-sesquiphellandrene. In addition, gingerols have been identified as the major active components in the fresh rhizome, whereas shogaols, dehydrated gingerol derivatives, are the predominant pungent constituents in dried rhizome. Zingiber spp. may thus represent a promising and innovative source of natural alternatives to chemical food preservatives. This approach would meet the increasing concern of consumers aware of the potential health risks associated with the conventional antimicrobial agents in food. This narrative review aims at providing a literature overview on Zingiber spp. plants, their cultivation, traditional uses, phytochemical constituents and biological activities. PMID- 29207522 TI - Using the SPE and Micro-HPLC-MS/MS Method for the Analysis of Betalains in Rat Plasma after Red Beet Administration. AB - The objective of this study was to develop a simple and reproducible method for the qualitative and quantitative analysis of betalains in plasma samples, based on Solid Phase Extraction (SPE) and micro-high performance liquid chromatography coupled with mass spectrometry (micro-HPLC-MS/MS). The eight betalain compounds detected and quantified were characterized in the fortified rat blood plasma samples. The developed method showed a good coefficient of determination (R2 = 0.999), good recovery, precision, and appropriate limits of detection (LOD) and quantification (LOQ) for these compounds. Application of this method for the treatment of rat plasma samples collected after the betalain preparation administration, for the first time, revealed the presence of native betalains and their metabolites in plasma samples. Moreover, among them, betanin (2.14 +/- 0.06 umol/L) and isobetanin (3.28 +/- 0.04 umol/L) were found at the highest concentration. The results indicated that the combination of an SPE method with a micro-HPLC-MS/MS analysis may be successfully applied for the determination of betalains in the blood plasma. PMID- 29207523 TI - 31iemes Journees Franco-Belges de Pharmacochimie: Meeting Report. AB - The "Journees Franco-Belges de Pharmacochimie" is a recognized two-day annual meeting on Medicinal Chemistry that is renowned for the advanced science presented, conviviality, and outstanding opportunities for senior and young scientists to exchange knowledge. Abstracts of plenary lectures, oral communications, and posters presented during the meeting are collected in this report. PMID- 29207524 TI - Characterization of a Novel Bat Adenovirus Isolated from Straw-Colored Fruit Bat (Eidolon helvum). AB - Bats are important reservoirs for emerging zoonotic viruses. For extensive surveys of potential pathogens in straw-colored fruit bats (Eidolon helvum) in Zambia, a total of 107 spleen samples of E. helvum in 2006 were inoculated onto Vero E6 cells. The cell culture inoculated with one of the samples (ZFB06-106) exhibited remarkable cytopathic changes. Based on the ultrastructural property in negative staining and cross-reactivity in immunofluorescence assays, the virus was suspected to be an adenovirus, and tentatively named E. helvum adenovirus 06 106 (EhAdV 06-106). Analysis of the full-length genome of 30,134 bp, determined by next-generation sequencing, showed the presence of 28 open reading frames. Phylogenetic analyses confirmed that EhAdV 06-106 represented a novel bat adenovirus species in the genus Mastadenovirus. The virus shared similar characteristics of low G + C contents with recently isolated members of species Bat mastadenoviruses E, F and G, from which EhAdV 06-106 diverged by more than 15% based on the distance matrix analysis of DNA polymerase amino acid sequences. According to the taxonomic criteria, we propose the tentative new species name "Bat mastadenovirus H". Because EhAdV 06-106 exhibited a wide in vitro cell tropism, the virus might have a potential risk as an emerging virus through cross species transmission. PMID- 29207525 TI - Phenylpropionamides, Piperidine, and Phenolic Derivatives from the Fruit of Ailanthus altissima. AB - Four novel compounds-two phenylpropionamides, one piperidine, and one phenolic derivatives-were isolated and identified from the fruit of a medicinal plant, Ailanthus altissima (Mill.) Swingle (Simaroubaceae), together with one known phenylpropionamide, 13 known phenols, and 10 flavonoids. The structures of the new compounds were elucidated as 2-hydroxy-N-[(2-O-beta-d glucopyranosyl)phenyl]propionamide (1), 2-hydroxy-N-[(2-O-beta-d-glucopyranosyl (1->6)-beta-d-glucopyranosyl)phenyl]propionamide (2), 2beta-carboxyl-piperidine 4beta-acetic acid methyl ester (4), and 4-hydroxyphenyl-1-O-[6-(hydrogen-3 hydroxy-3-methylpentanedioate)]-beta-d-glucopyranoside (5) based on spectroscopic analysis. All the isolated compounds were evaluated for their inhibitory activity against Tobacco mosaic virus (TMV) using the leaf-disc method. Among the compounds isolated, arbutin (6), beta-d-glucopyranosyl-(1->6)-arbutin (7), 4 methoxyphenylacetic acid (10), and corilagin (18) showed moderate inhibition against TMV with IC50 values of 0.49, 0.51, 0.27, and 0.45 mM, respectively. PMID- 29207526 TI - Thymoquinone Inhibits the Migration and Invasive Characteristics of Cervical Cancer Cells SiHa and CaSki In Vitro by Targeting Epithelial to Mesenchymal Transition Associated Transcription Factors Twist1 and Zeb1. AB - Cervical cancer is one of the most common gynecological malignant tumors worldwide, for which chemotherapeutic strategies are limited due to their non specific cytotoxicity and drug resistance. The natural product thymoquinone (TQ) has been reported to target a vast number of signaling pathways in carcinogenesis in different cancers, and hence is regarded as a promising anticancer molecule. Inhibition of epithelial to mesenchymal transition (EMT) regulators is an important approach in anticancer research. In this study, TQ was used to treat the cervical cancer cell lines SiHa and CaSki to investigate its effects on EMT regulatory proteins and cancer metastasis. Our results showed that TQ has time dependent and dose-dependent cytotoxic effects, and it also inhibits the migration and invasion processes in different cervical cancer cells. At the molecular level, TQ treatment inhibited the expression of Twist1, Zeb1 expression, and increased E-Cadherin expression. Luciferase reporter assay showed that TQ decreases the Twist1 and Zeb1 promoter activities respectively, indicating that Twist1 and Zeb1 might be the direct target of TQ. TQ also increased cellular apoptosis in some extent, but apoptotic genes/proteins we tested were not significant affected. We conclude that TQ inhibits the migration and invasion of cervical cancer cells, probably via Twist1/E-Cadherin/EMT or/and Zeb1/E-Cadherin/EMT, among other signaling pathways. PMID- 29207527 TI - Efficient Generation of Somatic Cell Nuclear Transfer-Competent Porcine Cells with Mutated Alleles at Multiple Target Loci by Using CRISPR/Cas9 Combined with Targeted Toxin-Based Selection System. AB - The recent advancement in genome editing such a CRISPR/Cas9 system has enabled isolation of cells with knocked multiple alleles through a one-step transfection. Somatic cell nuclear transfer (SCNT) has been frequently employed as one of the efficient tools for the production of genetically modified (GM) animals. To use GM cells as SCNT donor, efficient isolation of transfectants with mutations at multiple target loci is often required. The methods for the isolation of such GM cells largely rely on the use of drug selection-based approach using selectable genes; however, it is often difficult to isolate cells with mutations at multiple target loci. In this study, we used a novel approach for the efficient isolation of porcine cells with at least two target loci mutations by one-step introduction of CRISPR/Cas9-related components. A single guide (sg) RNA targeted to GGTA1 gene, involved in the synthesis of cell-surface alpha-Gal epitope (known as xenogenic antigen), is always a prerequisite. When the transfected cells were reacted with toxin-labeled BS-I-B4 isolectin for 2 h at 37 C to eliminate alpha Gal epitope-expressing cells, the surviving clones lacked alpha-Gal epitope expression and were highly expected to exhibit induced mutations at another target loci. Analysis of these alpha-Gal epitope-negative surviving cells demonstrated a 100% occurrence of genome editing at target loci. SCNT using these cells as donors resulted in the production of cloned blastocysts with the genotype similar to that of the donor cells used. Thus, this novel system will be useful for SCNT-mediated acquisition of GM cloned piglets, in which multiple target loci may be mutated. PMID- 29207529 TI - Improving the Catalytic Property of the Glycoside Hydrolase LXYL-P1-2 by Directed Evolution. AB - The glycoside hydrolase LXYL-P1-2 from Lentinula edodes can specifically hydrolyze 7-beta-xylosyltaxanes to form 7-beta-hydroxyltaxanes for the semi synthesis of paclitaxel. In order to improve the catalytic properties of the enzyme, we performed error-prone PCR to construct the random mutant library of LXYL-P1-2 and used the methanol-induced plate method to screen the mutants with improved catalytic properties. Two variants, LXYL-P1-2-EP1 (EP1, S91D mutation) and LXYL-P1-2-EP2 (EP2, T368E mutation), were obtained from the library and exhibited 17% and 47% increases in their catalytic efficiencies on 7-beta-xylosyl 10-deacetyltaxol. Meanwhile, compared with LXYL-P1-2, EP1 and EP2 showed elevated stabilities in the range of pH >= 6 conditions. After treatment at pH 12 for 48 h, EP1 and EP2 retained 77% and 63% activities, respectively, while the wild-type only retained 33% activity under the same condition. Molecular docking results revealed that the S91D mutation led to a shorter distance between the R-chain and the substrate, while the T368E mutation increased negative charge at the surface of the enzyme, and may introduce alterations of the loop near the active pocket, both of which may result in improved stabilities and catalytic activities of enzymes. This study provides a practical directed evolution method for exploring catalytically improved glycoside hydrolase. PMID- 29207528 TI - Construction and Potential Applications of Biosensors for Proteins in Clinical Laboratory Diagnosis. AB - Biosensors for proteins have shown attractive advantages compared to traditional techniques in clinical laboratory diagnosis. In virtue of modern fabrication modes and detection techniques, various immunosensing platforms have been reported on basis of the specific recognition between antigen-antibody pairs. In addition to profit from the development of nanotechnology and molecular biology, diverse fabrication and signal amplification strategies have been designed for detection of protein antigens, which has led to great achievements in fast quantitative and simultaneous testing with extremely high sensitivity and specificity. Besides antigens, determination of antibodies also possesses great significance for clinical laboratory diagnosis. In this review, we will categorize recent immunosensors for proteins by different detection techniques. The basic conception of detection techniques, sensing mechanisms, and the relevant signal amplification strategies are introduced. Since antibodies and antigens have an equal position to each other in immunosensing, all biosensing strategies for antigens can be extended to antibodies under appropriate optimizations. Biosensors for antibodies are summarized, focusing on potential applications in clinical laboratory diagnosis, such as a series of biomarkers for infectious diseases and autoimmune diseases, and an evaluation of vaccine immunity. The excellent performances of these biosensors provide a prospective space for future antibody-detection-based disease serodiagnosis. PMID- 29207530 TI - Characterization of Ultrasound Energy Diffusion Due to Small-Size Damage on an Aluminum Plate Using Piezoceramic Transducers. AB - During the propagation of ultrasonic waves in structures, there is usually energy loss due to ultrasound energy diffusion and dissipation. The aim of this research is to characterize the ultrasound energy diffusion that occurs due to small-size damage on an aluminum plate using piezoceramic transducers, for the future purpose of developing a damage detection algorithm. The ultrasonic energy diffusion coefficient is related to the damage distributed in the medium. Meanwhile, the ultrasonic energy dissipation coefficient is related to the inhomogeneity of the medium. Both are usually employed to describe the characteristics of ultrasound energy diffusion. The existence of multimodes of Lamb waves in metallic plate structures results in the asynchronous energy transport of different modes. The mode of Lamb waves has a great influence on ultrasound energy diffusion as a result, and thus has to be chosen appropriately. In order to study the characteristics of ultrasound energy diffusion in metallic plate structures, an experimental setup of an aluminum plate with a through-hole, whose diameter varies from 0.6 mm to 1.2 mm, is used as the test specimen with the help of piezoceramic transducers. The experimental results of two categories of damages at different locations reveal that the existence of damage changes the energy transport between the actuator and the sensor. Also, when there is only one dominate mode of Lamb wave excited in the structure, the ultrasound energy diffusion coefficient decreases approximately linearly with the diameter of the simulated damage. Meanwhile, the ultrasonic energy dissipation coefficient increases approximately linearly with the diameter of the simulated damage. However, when two or more modes of Lamb waves are excited, due to the existence of different group velocities between the different modes, the energy transport of the different modes is asynchronous, and the ultrasonic energy diffusion is not strictly linear with the size of the damage. Therefore, it is recommended that only one dominant mode of Lamb wave should be excited during the characterization process, in order to ensure that the linear relationship between the damage size and the characteristic parameters is maintained. In addition, the findings from this paper demonstrate the potential of developing future damage detection algorithms using the linear relationships between damage size and the ultrasound energy diffusion coefficient or ultrasonic energy dissipation coefficient when a single dominant mode is excited. PMID- 29207532 TI - Relationship among Phosphorus Circulation Activity, Bacterial Biomass, pH, and Mineral Concentration in Agricultural Soil. AB - Improvement of phosphorus circulation in the soil is necessary to enhance phosphorus availability to plants. Phosphorus circulation activity is an index of soil's ability to supply soluble phosphorus from organic phosphorus in the soil solution. To understand the relationship among phosphorus circulation activity; bacterial biomass; pH; and Fe, Al, and Ca concentrations (described as mineral concentration in this paper) in agricultural soil, 232 soil samples from various agricultural fields were collected and analyzed. A weak relationship between phosphorus circulation activity and bacterial biomass was observed in all soil samples (R2 = 0.25), and this relationship became significantly stronger at near neutral pH (6.0-7.3; R2 = 0.67). No relationship between phosphorus circulation activity and bacterial biomass was observed at acidic (pH < 6.0) or alkaline (pH > 7.3) pH. A negative correlation between Fe and Al concentrations and phosphorus circulation activity was observed at acidic pH (R2 = 0.72 and 0.73, respectively), as well as for Ca at alkaline pH (R2 = 0.64). Therefore, bacterial biomass, pH, and mineral concentration should be considered together for activation of phosphorus circulation activity in the soil. A relationship model was proposed based on the effects of bacterial biomass and mineral concentration on phosphorus circulation activity. The suitable conditions of bacterial biomass, pH, and mineral concentration for phosphorus circulation activity could be estimated from the relationship model. PMID- 29207531 TI - Microbial and Plant-Assisted Bioremediation of Heavy Metal Polluted Environments: A Review. AB - Environmental pollution from hazardous waste materials, organic pollutants and heavy metals, has adversely affected the natural ecosystem to the detriment of man. These pollutants arise from anthropogenic sources as well as natural disasters such as hurricanes and volcanic eruptions. Toxic metals could accumulate in agricultural soils and get into the food chain, thereby becoming a major threat to food security. Conventional and physical methods are expensive and not effective in areas with low metal toxicity. Bioremediation is therefore an eco-friendly and efficient method of reclaiming environments contaminated with heavy metals by making use of the inherent biological mechanisms of microorganisms and plants to eradicate hazardous contaminants. This review discusses the toxic effects of heavy metal pollution and the mechanisms used by microbes and plants for environmental remediation. It also emphasized the importance of modern biotechnological techniques and approaches in improving the ability of microbial enzymes to effectively degrade heavy metals at a faster rate, highlighting recent advances in microbial bioremediation and phytoremediation for the removal of heavy metals from the environment as well as future prospects and limitations. However, strict adherence to biosafety regulations must be followed in the use of biotechnological methods to ensure safety of the environment. PMID- 29207534 TI - Effects of the Macular Carotenoid Lutein in Human Retinal Pigment Epithelial Cells. AB - Retinal pigment epithelial (RPE) cells are central to retinal health and homoeostasis. Oxidative stress-induced damage to the RPE occurs as part of the pathogenesis of age-related macular degeneration and neovascular retinopathies (e.g., retinopathy of prematurity, diabetic retinopathy). The xanthophyll carotenoids, lutein and zeaxanthin, are selectively taken up by the RPE, preferentially accumulated in the human macula, and transferred to photoreceptors. These macular xanthophylls protect the macula (and the broader retina) via their antioxidant and photo-protective activities. This study was designed to investigate effects of various carotenoids (beta-carotene, lycopene, and lutein) on RPE cells subjected to either hypoxia or oxidative stress, in order to determine if there is effect specificity for macular pigment carotenoids. Using human RPE-derived ARPE-19 cells as an in vitro model, we exposed RPE cells to various concentrations of the specific carotenoids, followed by either graded hypoxia or oxidative stress using tert-butyl hydroperoxide (tBHP). The results indicate that lutein and lycopene, but not beta-carotene, inhibit cell growth in undifferentiated ARPE-19 cells. Moreover, cell viability was decreased under hypoxic conditions. Pre-incubation of ARPE-19 cells with lutein or lycopene protected against tBHP-induced cell loss and cell co-exposure of lutein or lycopene with tBHP essentially neutralized tBHP-dependent cell death at tBHP concentrations up to 500 MUM. Our findings indicate that lutein and lycopene inhibit the growth of human RPE cells and protect the RPE against oxidative stress-induced cell loss. These findings contribute to the understanding of the protective mechanisms attributable to retinal xanthophylls in eye health and retinopathies. PMID- 29207535 TI - Contamination Event Detection with Multivariate Time-Series Data in Agricultural Water Monitoring. AB - Time series data of multiple water quality parameters are obtained from the water sensor networks deployed in the agricultural water supply network. The accurate and efficient detection and warning of contamination events to prevent pollution from spreading is one of the most important issues when pollution occurs. In order to comprehensively reduce the event detection deviation, a spatial-temporal based event detection approach with multivariate time-series data for water quality monitoring (M-STED) was proposed. The M-STED approach includes three parts. The first part is that M-STED adopts a Rule K algorithm to select backbone nodes as the nodes in the CDS, and forward the sensed data of multiple water parameters. The second part is to determine the state of each backbone node with back propagation neural network models and the sequential Bayesian analysis in the current timestamp. The third part is to establish a spatial model with Bayesian networks to estimate the state of the backbones in the next timestamp and trace the "outlier" node to its neighborhoods to detect a contamination event. The experimental results indicate that the average detection rate is more than 80% with M-STED and the false detection rate is lower than 9%, respectively. The M-STED approach can improve the rate of detection by about 40% and reduce the false alarm rate by about 45%, compared with the event detection with a single water parameter algorithm, S-STED. Moreover, the proposed M-STED can exhibit better performance in terms of detection delay and scalability. PMID- 29207533 TI - Molecular and Genetic Determinants of Glioma Cell Invasion. AB - A diffusely invasive nature is a major obstacle in treating a malignant brain tumor, "diffuse glioma", which prevents neurooncologists from surgically removing the tumor cells even in combination with chemotherapy and radiation. Recently updated classification of diffuse gliomas based on distinct genetic and epigenetic features has culminated in a multilayered diagnostic approach to combine histologic phenotypes and molecular genotypes in an integrated diagnosis. However, it is still a work in progress to decipher how the genetic aberrations contribute to the aggressive nature of gliomas including their highly invasive capacity. Here we depict a set of recent discoveries involving molecular genetic determinants of the infiltrating nature of glioma cells, especially focusing on genetic mutations in receptor tyrosine kinase pathways and metabolic reprogramming downstream of common cancer mutations. The specific biology of glioma cell invasion provides an opportunity to explore the genotype-phenotype correlation in cancer and develop novel glioma-specific therapeutic strategies for this devastating disease. PMID- 29207536 TI - Text Messaging Based Obesity Prevention Program for Parents of Pre-Adolescent African American Girls. AB - African American girls are at a greater risk of obesity than their nonminority peers. Parents have the primary control over the home environment and play an important role in the child obesity prevention. Obesity prevention programs to help parents develop an obesity-preventive home environment are needed. The purpose of this study was to collect formative research from parents of 8-10-year old African American girls about perceptions, expectations, and content for a text messaging based program. Mothers (n = 30) participated in surveys and interviews to inform message development and content. A professional expert panel (n = 10) reviewed draft text messages via a survey. All the mothers reported owning a cellphone with an unlimited texting plan, and they used their cellphones for texting (90.0%) and accessing the Internet (100.0%). The majority were interested in receiving text messages about healthy eating and physical activity (86.7%). Interviews confirmed survey findings. One hundred and seven text messages promoting an obesity-preventive home environment were developed. The expert panel and parents reported positive reactions to draft text messages. This research provides evidence that mobile health (mHealth) interventions appeal to parents of African American girls and they have ready access to the technology with which to support this approach. PMID- 29207537 TI - A Robust Indoor/Outdoor Navigation Filter Fusing Data from Vision and Magneto Inertial Measurement Unit. AB - Visual-inertial Navigation Systems (VINS) are nowadays used for robotic or augmented reality applications. They aim to compute the motion of the robot or the pedestrian in an environment that is unknown and does not have specific localization infrastructure. Because of the low quality of inertial sensors that can be used reasonably for these two applications, state of the art VINS rely heavily on the visual information to correct at high frequency the drift of inertial sensors integration. These methods struggle when environment does not provide usable visual features, such than in low-light of texture-less areas. In the last few years, some work have been focused on using an array of magnetometers to exploit opportunistic stationary magnetic disturbances available indoor in order to deduce a velocity. This led to Magneto-inertial Dead-reckoning (MI-DR) systems that show interesting performance in their nominal conditions, even if they can be defeated when the local magnetic gradient is too low, for example outdoor. We propose in this work to fuse the information from a monocular camera with the MI-DR technique to increase the robustness of both traditional VINS and MI-DR itself. We use an inverse square root filter inspired by the MSCKF algorithm and describe its structure thoroughly in this paper. We show navigation results on a real dataset captured by a sensor fusing a commercial-grade camera with our custom MIMU (Magneto-inertial Measurment Unit) sensor. The fused estimate demonstrates higher robustness compared to pure VINS estimate, specially in areas where vision is non informative. These results could ultimately increase the working domain of mobile augmented reality systems. PMID- 29207538 TI - Bioinspiring Chondrosia reniformis (Nardo, 1847) Collagen-Based Hydrogel: A New Extraction Method to Obtain a Sticky and Self-Healing Collagenous Material. AB - Collagen is a natural and abundant polymer that serves multiple functions in both invertebrates and vertebrates. As collagen is the natural scaffolding for cells, collagen-based hydrogels are regarded as ideal materials for tissue engineering applications since they can mimic the natural cellular microenvironment. Chondrosia reniformis is a marine demosponge particularly rich in collagen, characterized by the presence of labile interfibrillar crosslinks similarly to those described in the mutable collagenous tissues (MCTs) of echinoderms. As a result single fibrils can be isolated using calcium-chelating and disulphide reducing chemicals. In the present work we firstly describe a new extraction method that directly produces a highly hydrated hydrogel with interesting self healing properties. The materials obtained were then biochemically and rheologically characterized. Our investigation has shown that the developed extraction procedure is able to extract collagen as well as other proteins and Glycosaminoglycans (GAG)-like molecules that give the collagenous hydrogel interesting and new rheological properties when compared to other described collagenous materials. The present work motivates further in-depth investigations towards the development of a new class of injectable collagenous hydrogels with tailored specifications. PMID- 29207539 TI - Comprehensive Profiling and Quantification of Ginsenosides in the Root, Stem, Leaf, and Berry of Panax ginseng by UPLC-QTOF/MS. AB - The effective production and usage of ginsenosides, given their distinct pharmacological effects, are receiving increasing amounts of attention. As the ginsenosides content differs in different parts of Panax ginseng, we wanted to assess and compare the ginsenosides content in the ginseng roots, leave, stems, and berries. To extract the ginsenosides, 70% (v/v) methanol was used. The optimal ultra-performance liquid chromatography-quadrupole time of flight mass spectrometry (UPLC-QTOF/MS) method was used to profile various ginsenosides from the different parts of P. ginseng. The datasets were then subjected to multivariate analysis including principal component analysis (PCA) and hierarchical clustering analysis (HCA). A UPLC-QTOF/MS method with an in-house library was constructed to profile 58 ginsenosides. With this method, a total of 39 ginsenosides were successfully identified and quantified in the ginseng roots, leave, stem, and berries. PCA and HCA characterized the different ginsenosides compositions from the different parts. The quantitative ginsenoside contents were also characterized from each plant part. The results of this study indicate that the UPLC-QTOF/MS method can be an effective tool to characterize various ginsenosides from the different parts of P. ginseng. PMID- 29207541 TI - Node Depth Adjustment Based Target Tracking in UWSNs Using Improved Harmony Search. AB - Underwater wireless sensor networks (UWSNs) can provide a promising solution to underwater target tracking. Due to the limited computation and bandwidth resources, only a small part of nodes are selected to track the target at each interval. How to improve tracking accuracy with a small number of nodes is a key problem. In recent years, a node depth adjustment system has been developed and applied to issues of network deployment and routing protocol. As far as we know, all existing tracking schemes keep underwater nodes static or moving with water flow, and node depth adjustment has not been utilized for underwater target tracking yet. This paper studies node depth adjustment method for target tracking in UWSNs. Firstly, since a Fisher Information Matrix (FIM) can quantify the estimation accuracy, its relation to node depth is derived as a metric. Secondly, we formulate the node depth adjustment as an optimization problem to determine moving depth of activated node, under the constraint of moving range, the value of FIM is used as objective function, which is aimed to be minimized over moving distance of nodes. Thirdly, to efficiently solve the optimization problem, an improved Harmony Search (HS) algorithm is proposed, in which the generating probability is modified to improve searching speed and accuracy. Finally, simulation results are presented to verify performance of our scheme. PMID- 29207540 TI - Herpesvirus and Autophagy: "All Right, Everybody Be Cool, This Is a Robbery!" AB - Autophagy is an essential vacuolar process of the cell, leading to lysosomal degradation and recycling of proteins and organelles, which is extremely important in maintaining homeostasis. Multiple roles have been now associated with autophagy, in particular a pro-survival role in nutrient starvation or in stressful environments, a role in life span extension, in development, or in innate and adaptive immunity. This cellular process can also take over microorganisms or viral proteins inside autophagosomes and degrade them directly in autolysosomes and is then called xenophagy and virophagy, respectively. Several Herpesviruses have developed strategies to escape this degradation, by expression of specific anti-autophagic proteins. However, we are increasingly discovering that Herpesviruses hijack autophagy, rather than just fight it. This beneficial effect is obvious since inhibition of autophagy will lead to decreased viral titers for human cytomegalovirus (HCMV), Epstein-Barr virus (EBV) or Varicella-Zoster virus (VZV), for example. Conversely, autophagy stimulation will improve viral multiplication. The autophagic machinery can be used in whole or in part, and can optimize viral propagation or persistence. Some viruses block maturation of autophagosomes to avoid the degradation step, then autophagosomal membranes are used to contribute to the envelopment and/or the egress of viral particles. On the other hand, VZV stimulates the whole process of autophagy to subvert it in order to use vesicles containing ATG (autophagy-related) proteins and resembling amphisomes for their transport in the cytoplasm. During latency, autophagy can also be activated by latent proteins encoded by different oncogenic Herpesviruses to promote cell survival and achieve long term viral persistence in vivo. Finally, reactivation of gammaherpesvirus Murid Herpesvirus 68 (MHV68) in mice appears to be positively modulated by autophagy, in order to control the level of inflammation. Therefore, Herpesviruses appear to behave more like thieves than fugitives. PMID- 29207542 TI - Mapping Sensory Spots for Moderate Temperatures on the Back of Hand. AB - Thermosensation with thermoreceptors plays an important role in maintaining body temperature at an optimal state and avoiding potential damage caused by harmful hot or cold environmental temperatures. In this work, the locations of sensory spots for sensing moderate temperatures of 40-50 degrees C on the back of the hands of young Chinese people were mapped in a blind-test manner with a thermal probe of 1.0 mm spatial resolution. The number of sensory spots increased along with the testing temperature; however, the surface density of sensory spots was remarkably lower than those reported previously. The locations of the spots were irregularly distributed and subject-dependent. Even for the same subject, the number and location of sensory spots were unbalanced and asymmetric between the left and right hands. The results may offer valuable information for designing artificial electronic skin and wearable devices, as well as for clinical applications. PMID- 29207543 TI - The Effects of Carbon Nanotubes on the Mechanical and Wear Properties of AZ31 Alloy. AB - Carbon nanotube (CNT)-reinforced AZ31 matrix nanocomposites were successfully fabricated using a powder metallurgy method followed by hot extrusion. The influence of CNTs on microstructures, mechanical properties, and wear properties were systematically investigated by optical microscope (OM), scanning electron microscope (SEM), X-ray diffraction (XRD), hardness test, tensile test, and wear test. The results revealed that the nanocomposites showed a slightly smaller grain size compared with the matrix and uniform distribution that CNTs could achieve at proper content. As a result, the addition of CNTs could weaken basal plane texture. However, the yield strength and ultimate tensile strength of the composites were enhanced as the amount of CNTs increased up to 2.0 wt. %, reaching maximum values of 241 MPa (+28.2%) and 297 MPa (+6.1%), respectively. The load transfer mechanism, Orowan mechanism, and thermal mismatch mechanism played important roles in the enhancement of the yield strength, and several classical models were employed to predict the theoretical values. The effect of CNT content on the friction coefficient and weight loss of the nanocomposites was also studied. The relationships between the amount of CNTs, the friction coefficient, and weight loss could be described by the exponential decay model and the Boltzmann model, respectively. PMID- 29207544 TI - How Does Health-Related Advertising with a Regulatory Focus and Goal Framing Affect Attitudes toward Ads and Healthy Behavior Intentions? AB - The health costs of colorectal cancer have increased over the years in Taiwan. The National Health Insurance Administration (NHI) and the Health Promotion Administration of the Ministry of Health and Welfare (MOHW) in Taiwan advocate that people have to change their unhealthy behaviors; however, the number of patients of colorectal cancer is increasing annually. This research discussed the effects of healthy diet advocacy advertisements (ads) on healthy diet behavior intentions as influenced by the interactions between regulatory focus theory (RFT) and message framing effects. Both regulatory focus theory and message framing effect were discussed for the relationship between advertisement and behavior change in many fields, such as health-related behavior, pro environmental behavior, consumer choice, etc. We executed an experiment with four different types of public health advocacy ads. A 2 (regulatory focus: promotion vs. prevention) * 2 (message framing: gain framing vs. loss framing) two-factor experiment was adopted, and 201 valid participants responded to the questionnaire. Results indicated that if the ad's regulatory focus is promotion focus, viewers' attitudes toward the ad and their behavior intentions are more positive when the slogan of the ad is gain framing rather than loss framing via the multiple analysis of variance (MANOVA), and vice versa. Respondents found the communication easier to comprehend when the ads evoked the respondents' regulatory focus and applied the appropriate message framing, thus improving the efficacy of health-related advertising. We offer suggestions regarding the future use of health-related advertising for the MOHW. PMID- 29207546 TI - Frequency-Locked Detector Threshold Setting Criteria Based on Mean-Time-To-Lose Lock (MTLL) for GPS Receivers. AB - Frequency-locked detector (FLD) has been widely utilized in tracking loops of Global Positioning System (GPS) receivers to indicate their locking status. The relation between FLD and lock status has been seldom discussed. The traditional PLL experience is not suitable for FLL. In this paper, the threshold setting criteria for frequency-locked detector in the GPS receiver has been proposed by analyzing statistical characteristic of FLD output. The approximate probability distribution of frequency-locked detector is theoretically derived by using a statistical approach, which reveals the relationship between probabilities of frequency-locked detector and the carrier-to-noise ratio (C/N0) of the received GPS signal. The relationship among mean-time-to-lose-lock (MTLL), detection threshold and lock probability related to C/N0 can be further discovered by utilizing this probability. Therefore, a theoretical basis for threshold setting criteria in frequency locked loops for GPS receivers is provided based on mean time-to-lose-lock analysis. PMID- 29207545 TI - Plasma Sphingolipids in Acute Pancreatitis. AB - Acute pancreatitis (AP) is a prevalent gastrointestinal disorder associated with systemic inflammatory response syndrome and, in the case of severe AP, a mortality rate ranging from 36% to 50%. Standard clinical treatment of AP includes intensive hydration, analgesia, and management of complications. Unfortunately, the direct treatment of AP at the level of its molecular pathomechanism has not yet been established. Recent studies indicate that the sphingolipid signaling pathway may be one of the important factors contributing to the development of inflammation in pancreatic diseases. In the current study, we sought to investigate this promising route. We examined the plasma sphingolipid profile of 44 patients with acute pancreatitis, dividing them into three groups: mild, moderate and severe AP. Samples were collected from these groups at days 1, 3 and 7 following their hospital admission. We demonstrated significant changes in blood plasma sphingolipids in relation to the time course of AP. We also found an inhibition of de novo ceramide synthesis in mild and moderate AP. However, the most important and novel finding was a significant elevation in sphingosine-1-phosphate (S1P) (a downstream metabolite of ceramide) in mild AP, as well as a dramatic reduction in the lipid molecule content in the early stage (days 1 and 3) of severe AP. This strongly indicates that plasma S1P could serve as a prognostic marker of AP severity. PMID- 29207547 TI - Predicted Release and Analysis of Novel ACE-I, Renin, and DPP-IV Inhibitory Peptides from Common Oat (Avena sativa) Protein Hydrolysates Using in Silico Analysis. AB - The renin-angiotensin-aldosterone system (RAAS) plays an important role in regulating hypertension by controlling vasoconstriction and intravascular fluid volume. RAAS itself is largely regulated by the actions of renin (EC 3.4.23.15) and the angiotensin-I-converting enzyme (ACE-I; EC 3.4.15.1). The enzyme dipeptidyl peptidase-IV (DPP-IV; EC 3.4.14.5) also plays a role in the development of type-2 diabetes. The inhibition of the renin, ACE-I, and DPP-IV enzymes has therefore become a key therapeutic target for the treatment of hypertension and diabetes. The aim of this study was to assess the bioactivity of different oat (Avena sativa) protein isolates and their ability to inhibit the renin, ACE-I, and DPP-IV enzymes. In silico analysis was carried out to predictthe likelihood of bioactive inhibitory peptides occurring from oat protein hydrolysates following in silico hydrolysis with the proteases papain and ficin. Nine peptides, including FFG, IFFFL, PFL, WWK, WCY, FPIL, CPA, FLLA, and FEPL were subsequently chemically synthesised, and their bioactivities were confirmed using in vitro bioassays. The isolated oat proteins derived from seven different oat varieties were found to inhibit the ACE-I enzyme by between 86.5 +/- 10.7% and 96.5 +/- 25.8%, renin by between 40.5 +/- 21.5% and 70.9 +/- 7.6%, and DPP-IV by between 3.7 +/- 3.9% and 46.2 +/- 28.8%. The activity of the synthesised peptides was also determined. PMID- 29207549 TI - 9-Vinylanthracene Based Fluorogens: Synthesis, Structure-Property Relationships and Applications. AB - Fluorescent dyes with aggregation-induced emission (AIE) properties exhibit intensified emission upon aggregation. They are promising candidates to study biomolecules and cellular changes in aqueous environments when aggregation formation occurs. Here, we report a group of 9-position functionalized anthracene derivatives that were conveniently synthesized by the palladium-catalyzed Heck reaction. Using fluorometric analyses, these dyes were confirmed to show AIE behavior upon forming aggregates at high concentrations, in viscous solvents, and when poorly solubilized. Their photophysical properties were then further correlated with their structural features, using density functional theory (DFT) calculation. Finally, we demonstrated their potential applications in monitoring pH changes, quantifying globular proteins, as well as cell imaging with confocal microscopy. PMID- 29207548 TI - The Role of Omega-3 Fatty Acids in Developmental Psychopathology: A Systematic Review on Early Psychosis, Autism, and ADHD. AB - In this systematic review, we will consider and debate studies that have explored the effects of omega-3 polyunsaturated fatty acids (PUFAs) in three major, and somehow related, developmental psychiatric disorders: Autism, Attention Deficit and Hyperactivity disorder and Psychosis. The impact of omega-3 PUFAs on clinical symptoms and, if possible, brain trajectory in children and adolescents suffering from these illnesses will be reviewed and discussed, considering the biological plausibility of the effects of omega-3 fatty acids, together with their potential perspectives in the field. Heterogeneity in study designs will be discussed in the light of differences in results and interpretation of studies carried out so far. PMID- 29207550 TI - Using Free Adoptions to Reduce Crowding and Euthanasia at Cat Shelters: An Australian Case Study. AB - Many healthy adult cats are euthanised annually in shelters, and novel approaches are required to reduce euthanasia rates. Waiving adoption fees is one such approach. However, concerns that less responsible owners will be attracted to free events persist among welfare groups. We evaluated evidence for differences in cat fate, health, and adherence to husbandry legislation via a case-study of a free adoption-drive for cats >=1 year at a Western Australian shelter. Post adoption outcomes were compared between free adopters and a control group of normal-fee adopters. The free adoption-drive rehomed 137 cats, increasing average weekly adoptions by 533%. First-time adopters were a significantly larger portion of the free cohort, as a result of mixed-media promotions. Both adopter groups selected cats of similar age; sex and pelage. Post-adoption, both groups retained >90% cats, reporting near identical incidences of medical and behavioural problems. Adopters did not differ in legislative compliance regarding fitting collars, registering cats, or allowing cats to roam. The shelter reported satisfaction with the adoption-drive, because in addition to relieving crowding of healthy adults, adoption of full-fee kittens increased 381%. Overall, we found no evidence for adverse outcomes associated with free adoptions. Shelters should not be dissuaded from occasional free adoption-drives during overflow periods. PMID- 29207551 TI - Hyaluronan-Based Nanohydrogels as Effective Carriers for Transdermal Delivery of Lipophilic Agents: Towards Transdermal Drug Administration in Neurological Disorders. AB - We suggest a convenient nanoemulsion fabrication method to create hyaluronan (HA) based nanohydrogels for effective transdermal delivery. First, hyaluronan conjugated dodecylamine (HA-Do) HA-based polymers to load the lipophilic agents were synthesized with hyaluronan (HA) and dodecylamine (Do) by varying the substitution ratio of Do to HA. The synthetic yield of HA-Do was more than 80% (HA-Do (A): 82.7 +/- 4.7%, HA-Do (B): 87.1 +/- 3.9% and HA-Do (C): 81.4 +/- 4.5%). Subsequently, nanohydrogels were fabricated using the nanoemulsion method. Indocyanine green (ICG) simultaneously self-assembled with HA-Do, and the size depended on the substitution ratio of Do in HA-Do (nanohydrogel (A): 118.0 +/- 2.2 nm, nanohydrogel (B): 121.9 +/- 11.4 nm, and nanohydrogel (C): 142.2 +/- 3.8 nm). The nanohydrogels were delivered into cells, and had excellent biocompatibility. Especially, nanohydrogel (A) could deliver and permeate ICG into the deep skin layer, the dermis. This suggests that nanohydrogels can be potent transdermal delivery systems. PMID- 29207552 TI - Hydroxyapatite Coated Iron Oxide Nanoparticles: A Promising Nanomaterial for Magnetic Hyperthermia Cancer Treatment. AB - Targeting cancer cells without injuring normal cells is the prime objective in treatment of cancer. In this present study, solvothermal and wet chemical precipitation techniques were employed to synthesize iron oxide (IO), hydroxyapatite (HAp), and hydroxyapatite coated iron oxide (IO-HAp) nanoparticles for magnetic hyperthermia mediated cancer therapy. The synthesized well dispersed spherical IO-HAp nanoparticles, magnetite, and apatite phases were confirmed by X ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR) and Field emission transmission electron microscopy (FETEM) with Energy Dispersive X-ray spectroscopy (EDS). The non-toxic behavior of synthesized IO-HAp nanoparticles was confirmed by cytotoxicity assay (Trypan blue and MTT assay). The synthesized nanoparticles revealed a remarkable magnetic saturation of 83.2 emu/g for IO and 40.6 emu/g for IO-HAp nanoparticles in presence of 15,000 Oe (1.5 T) magnetic field at room temperature (300 K). The magnetic hyperthermia study that was performed with IO-HAp nanoparticles showed an excellent hyperthermia effect (SAR value 85 W/g) over MG-63 osteosarcoma cells. The in vitro hyperthermia temperature (~45 degrees C) was reached within 3 min, which shows a very high efficiency and kills nearly all of the experimental MG-63 osteosarcoma cells within 30 min exposure. These results could potentially open new perceptions for biomaterials that are aimed for anti-cancer therapies based on magnetic hyperthermia. PMID- 29207553 TI - Determination of the Relative Efficacy of Eicosapentaenoic Acid and Docosahexaenoic Acid for Anti-Cancer Effects in Human Breast Cancer Models. AB - Epidemiological studies have associated high fish oil consumption with decreased risk of breast cancer (BC). n-3 long chain polyunsaturated fatty acids (n-3 LCPUFA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) found in fish and fish oils exert anti-cancer effects. However, few studies have examined the relative efficacy of EPA and DHA alone and in mixtures on BC subtypes. This was the objective of the present review, as this research is a necessity for the translation of findings to human health and disease. The literature suggests that DHA has a greater anti-cancer effect in triple negative BC (TNBC). In estrogen positive (ER+) BC, DHA has a greater effect on cell viability, while both fatty acids have similar effects on apoptosis and proliferation. These effects are associated with preferential uptake of DHA into TNBC lipid rafts and EPA in ER+ BC. EPA:DHA mixtures have anti-cancer activity; however, the ratio of EPA:DHA does not predict the relative incorporation of these two fatty acids into membrane lipids as EPA appears to be preferentially incorporated. In summary, DHA and EPA should be considered separately in the context of BC prevention. The elucidation of optimal EPA:DHA ratios will be important for designing targeted n 3 LCPUFA treatments. PMID- 29207554 TI - The Synergetic Effect of Cash Transfers for Families, Child Sensitive Social Protection Programs, and Capacity Building for Effective Social Protection on Children's Nutritional Status in Nepal. AB - OBJECTIVE: The aim of this study was to evaluate the effectiveness of the synergetic effect of child sensitive social protection programs, augmented by a capacity building for social protection and embedded within existing government's targeted resource transfers for families on child nutritional status. DESIGN: A repeat cross-sectional quasi-experimental design with measures taken pre- (October-December 2009) and post- (December 2014-February 2015) intervention in the intervention and comparison district. The comparison district received standard social welfare services in the form of targeted resource transfers (TRTs) for eligible families. The intervention district received the TRTs plus a child cash payment, augmented by a capacity building for effective social protection outcomes. Propensity scores were used in difference-in-differences models to compare the changes over time between the intervention and control groups. RESULTS: Propensity score matched/weighted models produced better results than the unmatched analyses, and hence we report findings from the radius matching. The intervention resulted in a 5.16 (95% CI: 9.55, 0.77), 7.35 (95% CI: 11.62, 3.08) and 2.84 (95% CI: 5.58, 0.10) percentage point reduction in the prevalence of stunting, underweight, and wasting among children under the age, respectively. The intervention impact was greater in boys than girls for stunting and wasting; and greater in girls than boys for underweight. The intervention also resulted in a 6.66 (95% CI: 2.13, 3.18), 11.40 (95% CI: 16.66, 6.13), and 4.0 (95% CI: 6.43, 1.78) percentage point reduction in the prevalence of stunting, underweight, and wasting among older children (>=24 months). No impact was observed among younger children (<24 months). CONCLUSIONS: Targeted resource transfers for families, augmented with a child sensitive social protection program and capacity building for social protection can address effectively child malnutrition. To increase the intervention effectiveness on younger children, the child cash payment amount needs to be revisited and closely embedded into infant and young child feeding initiatives, but also adjusted to equate to 20% of household expenditure or more to maximize the diversity of food available to young children. PMID- 29207555 TI - Study on Spatial Spillover Effects of Logistics Industry Development for Economic Growth in the Yangtze River Delta City Cluster Based on Spatial Durbin Model. AB - The overall entropy method is used to evaluate the development level of the logistics industry in the city based on a mechanism analysis of the spillover effect of the development of the logistics industry on economic growth, according to the panel data of 26 cities in the Yangtze River delta. On this basis, the paper uses the spatial durbin model to study the direct impact of the development of the logistics industry on economic growth and the spatial spillover effect. The results show that the direct impact coefficient of the development of the logistics industry in the Yangtze River Delta urban agglomeration on local economic growth is 0.092, and the significant spatial spillover effect on the economic growth in the surrounding area is 0.197. Compared with the labor force input, capital investment and the degree of opening to the world, and government functions, the logistics industry's direct impact coefficient is the largest, other than capital investment; the coefficient of the spillover effect is higher than other control variables, making it a "strong engine" of the Yangtze River Delta urban agglomeration economic growth. PMID- 29207556 TI - Effect of Low Cycle Fatigue Predamage on Very High Cycle Fatigue Behavior of TC21 Titanium Alloy. AB - The effect of low cycle fatigue (LCF) predamage on the subsequent very high cycle fatigue (VHCF) behavior is investigated in TC21 titanium alloy. LCF predamage is applied under 1.8% strain amplitude up to various fractions of the expected life and subsequent VHCF properties are determined using ultrasonic fatigue tests. Results show that 5% of predamage insignificantly affects the VHCF limit due to the absence of precrack, but decreases the subsequent fatigue crack initiation life estimated by the Pairs law. Precracks introduced by 10% and 20% of predamage significantly reduce the subsequent VHCF limits. The crack initiation site shifts from subsurface-induced fracture for undamaged and 5% predamaged specimens to surface precrack for 10% and 20% predamaged specimens in very high cycle region. Furthermore, the predicted fatigue limits based on the El Haddad modified model for the predamaged specimens agree with the experimental results. PMID- 29207557 TI - Lobocrassin B Induces Apoptosis of Human Lung Cancer and Inhibits Tumor Xenograft Growth. AB - Lobocrassin B, a natural cembrane-type compound isolated from the soft coral Lobophytum crassum, has been shown to have significant biological effects, including anticancer activity. As the most common cause of cancer mortality worldwide, lung cancer remains a major concern threatening human health. In the current study, we conducted in vitro experiments to demonstrate the inhibiting effect of Lobocrassin B on CL1-5 and H520 human lung cancer cells growth and to explore the underlying mechanisms, as well as in nude mice bearing CL1-5 tumor xenografts. Lobocrassin B exerted cytotoxic effects on lung cancer cells, as shown by decreasing cell viability, and inducing apoptosis, oxidative stress and mitochondrial dysfunction. In addition, the increased level of Bax, cleaved caspase-3, -9 and -8, and the suppression of Bcl-2 were observed in the Lobocrassin B treated cells. Moreover, in vivo assays verified the significance of these results, revealing that Lobocrassin B inhibited CL1-5 tumor xenograft growth and that inhibitory effects were accompanied by a marked increase in tumor cell apoptosis. In conclusion, the results suggested that Lobocrassin B could be a potential anticancer compound for its propensity to inhibit growth and induce apoptosis in human lung cancer cells. PMID- 29207558 TI - Three New Cytotoxic Steroidal Glycosides Isolated from Conus pulicarius Collected in Kosrae, Micronesia. AB - Three new sulfated steroidal glycosides (3-5), along with known cholesterol derivatives (1,2), were isolated from the visceral extract of the cone snail Conus pulicarius. The structure of each new compound was elucidated by nuclear magnetic resonance spectroscopy and high-resolution mass spectrometry. The three new compounds exhibited significant in vitro cytotoxicity (GI50 values down to 0.49 MUM) against the K562 human leukemia cell line. PMID- 29207559 TI - Tooth Wear Is Frequent in Adult Patients with Celiac Disease. AB - (1) Background: Celiac disease (CD) patients can be affected by mouth and tooth disorders, which are influenced by their gluten-free diet. The aim of our research was to evaluate the pathological conditions of the stomatognathic system observed in celiac patients on a gluten-free diet. (2) Methods: we consecutively recruited celiac patients on a gluten-free diet at our celiac center, as well as healthy volunteers. Two dentists examined all patients/controls and checked them for any mouth disorder. (3) Results: Forty-nine patients affected by celiac disease (age at test 31.8 +/- 11.58, time on GFD 8.73 +/- 7.7) and 51 healthy volunteers (age at test 30.5 +/- 8.7) were included. Recurrent aphthous stomatitis was reported in 26 patients (53.0%) and in 13 (25.5%) controls (p = 0.005). Dental enamel disorders were reported in 7 patients (14.3%) and in 0 controls (p = 0.002), with none having geographic tongue. We found non-specific tooth wear, characterized by loss of the mineralized tissue of the teeth, in 9 patients (18.3%) and in 3 (5.9%) controls (p = 0.05). (4) Conclusion: Recurrent aphthous stomatitis and enamel hypoplasia are "risk indicators" that may suggest that an individual has CD. We detected a high prevalence of non-specific tooth wear that can be caused by several factors such as malocclusion, sleep bruxism, parafunctional activity, and age. PMID- 29207560 TI - Optimization of Collagenase Production by Pseudoalteromonas sp. SJN2 and Application of Collagenases in the Preparation of Antioxidative Hydrolysates. AB - Collagenases are the most important group of commercially-produced enzymes. However, even though biological resources are abundant in the sea, very few of these commercially popular enzymes are from marine sources, especially from marine bacteria. We optimized the production of marine collagenases by Pseudoalteromonas sp. SJN2 and investigated the antioxidant activities of the hydrolysates. Media components and culture conditions associated with marine collagenase production by Pseudoalteromonas sp. SJN2 were optimized by statistical methods, namely Plackett-Burman design and response surface methodology (RSM). Furthermore, the marine collagenases produced by Pseudoalteromonas sp. SJN2 were seen to efficiently hydrolyze marine collagens extracted from fish by-products, and remarkable antioxidant capacities of the enzymatic hydrolysates were shown by DPPH radical scavenging and oxygen radical absorbance capacity (ORAC) tests. The final optimized fermentation conditions were as follows: soybean powder, 34.23 g.L-1; culture time, 3.72 d; and temperature, 17.32 degrees C. Under the optimal fermentation conditions, the experimental collagenase yield obtained was 322.58 +/- 9.61 U.mL-1, which was in agreement with the predicted yield of 306.68 U.mL-1. Collagen from Spanish mackerel bone, seabream scale and octopus flesh also showed higher DPPH radical scavenging rates and ORAC values after hydrolysis by the collagenase. This study may have implications for the development and use of marine collagenases. Moreover, seafood waste containing beneficial collagen could be used to produce antioxidant peptides by proteolysis. PMID- 29207561 TI - Cross-National Differences in Psychosocial Factors of Perinatal Depression: A Systematic Review of India and Japan. AB - Perinatal depression is prevalent worldwide. However, there are few available studies that discuss the different cultural factors affecting perinatal depression within Asian countries. This study aims to compare the literature regarding related factors relating to perinatal depression in India and Japan, and to synthesize the evidence common to both countries in addition to the country-specific evidence. We conducted a systematic review using several databases (CINAHL, MEDLINE, Pubmed, Ovid, SCOPUS, IndMED, and ICHUSI). Keywords were "antenatal depression" or "postpartum depression", and "India" or "Japan". Both Japanese and English language papers were reviewed. The identified evidence was compared between the two countries, as well as with non-Asian countries based on previous reports. In total, 15 articles on India and 35 on Japan were reviewed. Although several factors were shared between the two countries as well as with other non-Asian countries (vulnerable personality, being abused, age, marital conflict, and lower socio-demographic status), some differing factors were identified between India and Japan and non-Asian countries; India: poor socioeconomic status, living only with the husband, pregnancy not welcomed by the husband, a female baby, and poor relationship with in-laws; Japan: infertility treatment, conflict with work-life balance, poor relationships with biological mother or in-laws, and concerns about social relations with the other mother's friends. To conclude, involving the family and community may be important for implementing both global standardized and culture-specific interventions. In India, treatment involving the in-laws may be effective because large family structure is a significant predictor of perinatal depression. In Japan, a family/community approach involving not only the mother's family of origin but also the working environment is essential. PMID- 29207562 TI - The Impact of Technological Progress in the Energy Sector on Carbon Emissions: An Empirical Analysis from China. AB - This paper investigates the relationship between technological progress in the energy sector and carbon emissions based on the Environment Kuznets Curve (EKC) and data from China during the period of 1995-2012. Our study confirms that the situation in China conforms to the EKC hypothesis and presents the inverted U curve relationship between per capita income and carbon emissions. Furthermore, the inflection point will be reached in at least five years. Then, we use research and development (R & D) investment in the energy industry as the quantitative indicator of its technological progress to test its impact on carbon emissions. Our results show that technological progress in the energy sector contributes to a reduction in carbon emissions with hysteresis. Furthermore, our results show that energy efficiency improvements are also helpful in reducing carbon emissions. However, climate policy and change in industrial structure increase carbon emissions to some extent. Our conclusion demonstrates that currently, China is not achieving economic growth and pollution reduction simultaneously. To further achieve the goal of carbon reduction, the government should increase investment in the energy industry research and improve energy efficiency. PMID- 29207563 TI - Pyrene-Based Blue AIEgen: Enhanced Hole Mobility and Good EL Performance in Solution-Processed OLEDs. AB - Organic luminogens with strong solid-state emission have attracted much attention for their widely practical applications. However, the traditional organic luminogens with planar conformations often suffer from the notorious aggregation caused quenching (ACQ) effect in solid state for the pi-pi stacking. Here, a highly efficient blue emitter TPE-4Py with an aggregation-induced emission (AIE) effect is achieved by combining twisted tetraphenylethene (TPE) core and planar pyrene peripheries. When the emitter was spin-coated in non-doped OLEDs with or without a hole-transporting layer, comparable EL performance was achieved, showing the bifunctional property as both an emitter and a hole-transporting layer. Furthermore, its EL efficiency was promoted in doped OLED, even at a high doping concentration (50%), because of its novel AIE effect, with a current efficiency up to 4.9 cd/A at 484 nm. PMID- 29207564 TI - Obstacle Detection as a Safety Alert in Augmented Reality Models by the Use of Deep Learning Techniques. AB - Augmented reality (AR) is becoming increasingly popular due to its numerous applications. This is especially evident in games, medicine, education, and other areas that support our everyday activities. Moreover, this kind of computer system not only improves our vision and our perception of the world that surrounds us, but also adds additional elements, modifies existing ones, and gives additional guidance. In this article, we focus on interpreting a reality based real-time environment evaluation for informing the user about impending obstacles. The proposed solution is based on a hybrid architecture that is capable of estimating as much incoming information as possible. The proposed solution has been tested and discussed with respect to the advantages and disadvantages of different possibilities using this type of vision. PMID- 29207565 TI - Delivery Mode and the Transition of Pioneering Gut-Microbiota Structure, Composition and Predicted Metabolic Function. AB - Cesarean (C-section) delivery, recently shown to cause excess weight gain in mice, perturbs human neonatal gut microbiota development due to the lack of natural mother-to-newborn transfer of microbes. Neonates excrete first the in utero intestinal content (referred to as meconium) hours after birth, followed by intestinal contents reflective of extra-uterine exposure (referred to as transition stool) 2 to 3 days after birth. It is not clear when the effect of C section on the neonatal gut microbiota emerges. We examined bacterial DNA in carefully-collected meconium, and the subsequent transitional stool, from 59 neonates [13 born by scheduled C-section and 46 born by vaginal delivery] in a private hospital in Brazil. Bacterial DNA was extracted, and the V4 region of the 16S rRNA gene was sequenced using the Illumina MiSeq (San Diego, CA, USA) platform. We found evidence of bacterial DNA in the majority of meconium samples in our study. The bacterial DNA structure (i.e., beta diversity) of meconium differed significantly from that of the transitional stool microbiota. There was a significant reduction in bacterial alpha diversity (e.g., number of observed bacterial species) and change in bacterial composition (e.g., reduced Proteobacteria) in the transition from meconium to stool. However, changes in predicted microbiota metabolic function from meconium to transitional stool were only observed in vaginally-delivered neonates. Within sample comparisons showed that delivery mode was significantly associated with bacterial structure, composition and predicted microbiota metabolic function in transitional-stool samples, but not in meconium samples. Specifically, compared to vaginally delivered neonates, the transitional stool of C-section delivered neonates had lower proportions of the genera Bacteroides, Parabacteroides and Clostridium. These differences led to C-section neonates having lower predicted abundance of microbial genes related to metabolism of amino and nucleotide sugars, and higher abundance of genes related to fatty-acid metabolism, amino-acid degradation and xenobiotics biodegradation. In summary, microbiota diversity was reduced in the transition from meconium to stool, and the association of delivery mode with microbiota structure, composition and predicted metabolic function was not observed until the passing of the transitional stool after meconium. PMID- 29207566 TI - The Osteogenic and Tenogenic Differentiation Potential of C3H10T1/2 (Mesenchymal Stem Cell Model) Cultured on PCL/PLA Electrospun Scaffolds in the Absence of Specific Differentiation Medium. AB - The differentiation potential of mesenchymal stem cells (MSC) has been extensively tested on electrospun scaffolds. However, this potential is often assessed with lineage-specific medium, making it difficult to interpret the real contribution of the properties of the scaffold in the cell response. In this study, we analyzed the ability of different polycaprolactone/polylactic acid PCL/PLA electrospun scaffolds (pure or blended compositions, random or aligned fibers, various fiber diameters) to drive MSC towards bone or tendon lineages in the absence of specific differentiation medium. C3H10T1/2 cells (a mesenchymal stem cell model) were cultured on scaffolds for 96 h without differentiation factors. We performed a cross-analysis of the cell-scaffold interactions (spreading, organization, and specific gene expression) with mechanical (elasticity), morphological (porosity, fibers diameter and orientation) and surface (wettability) characterizations of the electrospun fibers. We concluded that (1) osteogenic differentiation can be initiated on pure PCL-based electrospun scaffolds without specific culture conditions; (2) fiber alignment modified cell organization in the short term and (3) PLA added to PCL with an increased fiber diameter encouraged the stem cells towards the tendon lineage without additional tenogenic factors. In summary, the differentiation potential of stem cells on adapted electrospun fibers could be achieved in factor-free medium, making possible future applications in clinically relevant situations. PMID- 29207567 TI - Synthesis and Antibacterial Evaluation of a Series of 11,12-Cyclic Carbonate Azithromycin-3-O-descladinosyl-3-O-carbamoyl Glycosyl Derivatives. AB - A novel series of 11,12-cyclic carbonate azithromycin-3-O-descladinosyl-3-O carbamoyl glycosyl derivatives were designed, synthesized, and evaluated for their antibacterial activities in vitro. Most of these compounds had significant antibacterial activity against seven kinds of susceptible strains. In particular, compound G1 exhibited the most potent activity against methicillin-resistant Streptococcus pneumoniae 943 (MIC: 1 MUg/mL), Staphylococcus pneumoniae 746 (MIC: 2 MUg/mL), Streptococcus pyogenes 447 (MIC: 8 MUg/mL), and Escherichia coli 236 (MIC: 32 MUg/mL), which were two-, four-, four-, four-, and eight-fold stronger activity than azithromycin, respectively. Additionally, compound G2 exhibited improved activity against methicillin-resistant Staphylococcus aureus MRSA-1 (MIC: 8 MUg/mL), Streptococcus pneumoniae 943 (MIC: 2 MUg/mL), Staphylococcus pneumoniae 746 (MIC: 2 MUg/mL), and Escherichia coli 236 (MIC: 32 MUg/mL), which were two-, two-, four-, and eight-fold better activity than azithromycin, respectively. As for methicillin-resistant Staphylococcus aureus MRSA-1, compound G6 presented the most excellent activity (MIC: 4 MUg/mL), showing four-fold higher activity than azithromycin (MIC: 16 MUg/mL) and erythromycin (MIC: 16 MUg/mL). However, compared with other compounds, compounds G7 and G8 with the disaccharide side chain were observed the lower activity against seven strains. PMID- 29207568 TI - Recent Advances in Fluorescence Lifetime Analytical Microsystems: Contact Optics and CMOS Time-Resolved Electronics. AB - Fluorescence spectroscopy has become a prominent research tool with wide applications in medical diagnostics and bio-imaging. However, the realization of combined high-performance, portable, and low-cost spectroscopic sensors still remains a challenge, which has limited the technique to the laboratories. A fluorescence lifetime measurement seeks to obtain the characteristic lifetime from the fluorescence decay profile. Time-correlated single photon counting (TCSPC) and time-gated techniques are two key variations of time-resolved measurements. However, commercial time-resolved analysis systems typically contain complex optics and discrete electronic components, which lead to bulkiness and a high cost. These two limitations can be significantly mitigated using contact sensing and complementary metal-oxide-semiconductor (CMOS) implementation. Contact sensing simplifies the optics, whereas CMOS technology enables on-chip, arrayed detection and signal processing, significantly reducing size and power consumption. This paper examines recent advances in contact sensing and CMOS time-resolved circuits for the realization of fully integrated fluorescence lifetime measurement microsystems. The high level of performance from recently reported prototypes suggests that the CMOS-based contact sensing microsystems are emerging as sound technologies for application-specific, low cost, and portable time-resolved diagnostic devices. PMID- 29207569 TI - The UV Plasmonic Behavior of Distorted Rhodium Nanocubes. AB - For applications of surface-enhanced spectroscopy and photocatalysis, the ultraviolet (UV) plasmonic behavior and charge distribution within rhodium nanocubes is explored by a detailed numerical analysis. The strongest plasmonic hot-spots and charge concentrations are located at the corners and edges of the nanocubes, exactly where they are the most spectroscopically and catalytically active. Because intense catalytic activity at corners and edges will reshape these nanoparticles, distortions of the cubical shape, including surface concavity, surface convexity, and rounded corners and edges, are also explored to quantify how significantly these distortions deteriorate their plasmonic and photocatalytic properties. The fact that the highest fields and highest carrier concentrations occur in the corners and edges of Rh nanocubes (NCs) confirms their tremendous potential for plasmon-enhanced spectroscopy and catalysis. It is shown that this opportunity is fortuitously enhanced by the fact that even higher field and charge concentrations reside at the interface between the metal nanoparticle and a dielectric or semiconductor support, precisely where the most chemically active sites are located. PMID- 29207571 TI - Computational Modelling of Structures with Non-Intuitive Behaviour. AB - This paper presents a finite-element analysis of honeycomb and re-entrant honeycomb structures made of a two-phase composite material which is optimized with respect to selected parameters. It is shown that some distributions of each phase in the composite material result in the counter-intuitive mechanical behaviour of the structures. In particular, negative values of effective Poisson's ratio, i.e., effective auxeticity, can be obtained for a hexagonal honeycomb, whereas re-entrant geometry can be characterized by positive values. Topology optimization by means of the method of moving asymptotes (MMA) and solid isotropic material with penalization (SIMP) was used to determine the materials' distributions. PMID- 29207570 TI - Low Levels of Physical Activity and Sedentary Behavior in Adults with Intellectual Disabilities. AB - Adults with intellectual disabilities (ID) are more likely to lead sedentary lifestyles and have low levels of physical activity (LLPA). The present study investigated the prevalence of reported LLPA and time spent watching TV in adults with ID and identified the associated factors for these behaviors. The proxy informants of 1618 adults with ID completed the surveys regarding their health behaviors. Multiple logistic regressions were employed for LLPA and multiple linear regressions for time spent watching TV. About 60% of adults with ID had LLPA and average time spent watching TV was 3.4 h a day. Some characteristics and health and function variables were identified as associated factors. While engaging in community activities and involvement in Special Olympics were inversely associated with LLPA, they were not associated with time spent watching TV. Attending day/educational programs or being employed were associated with spending less time watching TV. Findings highlight differential factors associated with LLPA versus TV-watching behavior in adults with ID. Hence, a key strategy aimed at increasing physical activity includes promoting participation in social and community activities, while targeted activities for reducing sedentary behavior might focus on providing day programs or employment opportunities for adults with ID. PMID- 29207572 TI - Fixed and Adaptive Parallel Subgroup-Specific Design for Survival Outcomes: Power and Sample Size. AB - Biomarker-guided clinical trial designs, which focus on testing the effectiveness of a biomarker-guided approach to treatment in improving patient health, have drawn considerable attention in the era of stratified medicine with many different designs being proposed in the literature. However, planning such trials to ensure they have sufficient power to test the relevant hypotheses can be challenging and the literature often lacks guidance in this regard. In this study, we focus on the parallel subgroup-specific design, which allows the evaluation of separate treatment effects in the biomarker-positive subgroup and biomarker-negative subgroup simultaneously. We also explore an adaptive version of the design, where an interim analysis is undertaken based on a fixed percentage of target events, with the option to stop each biomarker-defined subgroup early for futility or efficacy. We calculate the number of events and patients required to ensure sufficient power in each of the biomarker-defined subgroups under different scenarios when the primary outcome is time-to-event. For the adaptive version, stopping probabilities are also explored. Since multiple hypotheses are being tested simultaneously, and multiple interim analyses are undertaken, we also focus on controlling the overall type I error rate by way of multiplicity adjustment. PMID- 29207573 TI - The Effects of Industrial Protective Gloves and Hand Skin Temperatures on Hand Grip Strength and Discomfort Rating. AB - Daily working activities and functions require a high contribution of hand and forearm muscles in executing grip force. To study the effects of wearing different gloves on grip strength, under a variety of hand skin temperatures, an assessment of the maximum grip strength was performed with 32 healthy male workers with a mean age (standard deviation) of 30.44 (5.35) years wearing five industrial gloves at three hand skin temperatures. Their ages and anthropometric characteristics including body mass index (BMI), hand length, hand width, hand depth, hand palm, and wrist circumference were measured. The hand was exposed to different bath temperatures (5 degrees C, 25 degrees C, and 45 degrees C) and hand grip strength was measured using a Jamar hydraulic hand dynamometer with and without wearing the gloves (chemical protection glove, rubber insulating glove, anti-vibration impact glove, cotton yarn knitted glove, and RY-WG002 working glove). The data were analyzed using the Shapiro-Wilk test, Pearson correlation coefficient, Tukey test, and analysis of variance (ANOVA) of the within-subject design analysis. The results showed that wearing gloves significantly affected the maximum grip strength. Wearing the RY-WG002 working glove produced a greater reduction on the maximum grip when compared with the bare hand, while low temperatures (5 degrees C) had a significant influence on grip when compared to medium (25 degrees C) and high (45 degrees C) hand skin temperatures. In addition, participants felt more discomfort in both environmental extreme conditions. Furthermore, they reported more discomfort while wearing neoprene, rubber, and RY-WG002 working gloves. PMID- 29207574 TI - Novel Carbazole Skeleton-Based Photoinitiators for LED Polymerization and LED Projector 3D Printing. AB - Radical chemistry is a very convenient way to produce polymer materials. Here, an application of a particular photoinduced radical chemistry is illustrated. Seven new carbazole derivatives Cd1-Cd7 are incorporated and proposed as high performance near-UV photoinitiators for both the free radical polymerization (FRP) of (meth)acrylates and the cationic polymerization (CP) of epoxides utilizing Light Emitting Diodes LEDs @405 nm. Excellent polymerization-initiating abilities are found and high final reactive function conversions are obtained. Interestingly, these new derivatives display much better near-UV polymerization initiating abilities compared to a reference UV absorbing carbazole (CARET 9H carbazole-9-ethanol) demonstrating that the new substituents have good ability to red shift the absorption of the proposed photoinitiators. All the more strikingly, in combination with iodonium salt, Cd1-Cd7 are likewise preferred as cationic photoinitiators over the notable photoinitiator bis(2,4,6 trimethylbenzoyl)phenylphosphine oxide (BAPO) for mild irradiation conditions featuring their remarkable reactivity. In particular their utilization in the preparation of new cationic resins for LED projector 3D printing is envisioned. A full picture of the included photochemical mechanisms is given. PMID- 29207575 TI - Synthesis of Novel Nitrogen-Containing Heterocycle Bromophenols and Their Interaction with Keap1 Protein by Molecular Docking. AB - We previously reported 5,2'-dibromo-2,4',5'-trihydroxydiphenylmethanoe (LM49), a bromophenol analogue that shows strong protection from oxidative stress injury owing to its superior anti-inflammatory, antioxidant, and anti-apoptotic properties. A series of novel nitrogen-containing heterocycle bromophenols were herein synthesized by introducing substituted piperidine, piperazine, and imidazole to modify 2-position of the lead compound LM49. By further evaluating their cytoprotective activity against H2O2 induced injury in EA.hy926 cells, 14 target bromophenols showed moderate-to-potent activity with EC50 values in the range of 0.9-6.3 MUM, which were stronger than that of quercetin (EC50: 18.0 MUM), a positive reference compound. Of these, the most potent compound 22b is a piperazine bromophenol with an EC50 value of 0.9 MUM equivalent to the LM49. Molecular docking studies were subsequently performed to deduce the affinity and binding mode of derived halophenols toward the Keap1 Kelch domain, the docking results exhibited that the small molecule 22b is well accommodated by the bound region of Keap1-Kelch and Nrf2 through stable hydrogen bonds and hydrophobic interaction, which contributed to the enhancement of affinity and stability between the ligand and receptor. The above facts suggest that 22b is a promising pharmacological candidate for further cardiovascular drug development. Moreover, the targeting Keap1-Nrf2 protein-protein interaction may be an emerging strategy for halophenols to selectively and effectively activate Nrf2 triggering downstream protective genes defending against injury. PMID- 29207577 TI - Replication stress in colorectal cancer stem cells. PMID- 29207576 TI - Glycosaminoglycan-Mediated Downstream Signaling of CXCL8 Binding to Endothelial Cells. AB - The recruitment of leukocytes, mediated by endothelium bound chemokine gradients, is a vital process in inflammation. The highly negatively charged, unbranched polysaccharide family of glycosaminoglycans (GAGs), such as heparan sulfate and chondroitin sulfate mediate chemokine immobilization. Specifically the binding of CXCL8 (interleukin 8) to GAGs on endothelial cell surfaces is known to regulate neutrophil recruitment. Currently, it is not clear if binding of CXCL8 to GAGs leads to endothelial downstream signaling in addition to the typical CXCR1/CXCR2 (C-X-C motif chemokine receptor 1 and 2)-mediated signaling which activates neutrophils. Here we have investigated the changes in protein expression of human microvascular endothelial cells induced by CXCL8. Tumor necrosis factor alpha (TNFalpha) stimulation was used to mimic an inflammatory state which allowed us to identify syndecan-4 (SDC4) as the potential proteoglycan co-receptor of CXCL8 by gene array, real-time PCR and flow cytometry experiments. Enzymatic GAG depolymerization via heparinase III and chondroitinase ABC was used to emulate the effect of glycocalyx remodeling on CXCL8-induced endothelial downstream signaling. Proteomic analyses showed changes in the expression pattern of a number of endothelial proteins such as Zyxin and Caldesmon involved in cytoskeletal organization, cell adhesion and cell mobility. These results demonstrate for the first time a potential role of GAG-mediated endothelial downstream signaling in addition to the well-known CXCL8-CXCR1/CXCR2 signaling pathways in neutrophils. PMID- 29207578 TI - Molecular insights into desmoid tumors. PMID- 29207579 TI - Circulating tumour DNA analysis in multiple myeloma. PMID- 29207580 TI - Targeting the value of targeted therapy. PMID- 29207581 TI - Targeting multiple nodes of MLL complexes to improve leukemia therapy. PMID- 29207582 TI - Our young cancer patients talk-we learn. PMID- 29207583 TI - Autologous transplant for myeloma: when the old meets the new. PMID- 29207584 TI - miR-301a mediated immune evasion by Japanese encephalitis virus. PMID- 29207585 TI - Multifaceted CK2 in malignant and healthy T cells. PMID- 29207586 TI - Targeting autoreactive germinal centers to curb autoimmunity. PMID- 29207587 TI - Cobll1: A new player in CML. PMID- 29207588 TI - Traceback: leveraging archived biospecimens to identify mutation carriers. PMID- 29207589 TI - Tolerogenic dendritic cell-based immunotherapy. PMID- 29207590 TI - Microvesicles in CLL: predictor of disease progression/relapse. PMID- 29207591 TI - Integrative cancer care: crossing communication barriers. PMID- 29207592 TI - Unproven stem cell therapy for macular degeneration. PMID- 29207593 TI - Deregulated c-Myc requires a functional HSF1 for experimental and human hepatocarcinogenesis. AB - Deregulated activity of the c-Myc protooncogene is a frequent molecular event underlying mouse and human hepatocarcinogenesis. Nonetheless, the mechanisms sustaining c-Myc oncogenic activity in liver cancer remain scarcely delineated. Recently, we showed that the mammalian target of rapamycin complex 1 (mTORC1) cascade is induced and necessary for c-Myc dependent liver tumor development and progression. Since the heat shock factor 1 (HSF1) transcription factor is a major positive regulator of mTORC1 in the cell, we investigated the functional interaction between HSF1 and c-Myc using in vitro and in vivo approaches. We found that ablation of HSF1 restrains the growth of c-Myc-derived mouse hepatocellular carcinoma (HCC) cell lines, where it induces downregulation of c Myc levels. Conversely, silencing of c-Myc gene in human and mouse HCC cells led to downregulation of HSF1 expression. Most importantly, overexpression of a dominant negative form of HSF1 (HSF1dn) in the mouse liver via hydrodynamic gene delivery resulted in the complete inhibition of mouse hepatocarcinogenesis driven by overexpression of c-Myc. Altogether, the present results indicate that a functional HSF1 is necessary for c-Myc-driven hepatocarcinogenesis. Consequently, targeting HSF1 might represent a novel and effective therapeutic strategy for the treatment of HCC subsets with activated c-Myc signaling. PMID- 29207594 TI - Cancer-mutated ribosome protein L22 (RPL22/eL22) suppresses cancer cell survival by blocking p53-MDM2 circuit. AB - Several ribosomal proteins (RPs) in response to various ribosomal stressors have been shown to play a critical role in p53-dependent regulation of cell cycle arrest, apoptosis and tumor suppression. Here, we report ribosomal protein L22 (RPL22/eL22) as a novel p53 activator highly mutated (mostly deletion mutation) in various types of human cancers, but not essential for ribosomal biogenesis in normal cells. Ectopic expression of RPL22/eL22 suppressed the colony formation of cancer cells in a p53-dependent manner, whereas knockdown of RPL22/eL22 significantly compromised p53 activation by Actinomycin D, rescuing p53-induced G1/G0 cell cycle arrest. Interestingly, human tumors with RPL22/eL22 deletion appeared to sustain wild type p53. Mechanistically, RPL22/eL22 bound to MDM2 acidic domain and inhibited MDM2-mediated p53 ubiquitination and degradation, hence extending the half-life of p53. Ribosome-profiling analysis revealed that induction of ribosomal stress by Actinomycin D leads to the increase of ribosome free RPL22/eL22 pool. Also, RPL22/eL22 formed a complex with MDM2/RPL5/uL18/RPL11/uL5 and synergized with RPL11/uL5 to activate p53. Furthermore, the N terminus of RPL22/eL22 bound to MDM2, while the C terminus interacted with RPL5/uL18/RPL11/uL5; both of these two fragments activated p53 by inhibiting MDM2. Our study indicates that RPL22/eL22 highly mutated in human cancers plays an anti-cancer role likely through regulation of the MDM2-p53 feedback loop, and also suggests that targeting the RPL22/eL22-MDM2-p53 pathway could be a potential strategy for future development of anti-cancer therapy. PMID- 29207595 TI - CDK1 promotes nascent DNA synthesis and induces resistance of cancer cells to DNA damaging therapeutic agents. AB - Cyclin dependent kinase 1 (CDK1) is essential for cell viability and plays a vital role in many biological events including cell cycle control, DNA damage repair, and checkpoint activation. Here, we identify an unanticipated role for CDK1 in promoting nascent DNA synthesis during S-phase. We report that a short duration of CDK1 inhibition, which does not perturb cell cycle progression, triggers a replication-associated DNA damage response (DDR). This DDR is associated with a disruption of replication fork progression and leads to genome instability. Moreover, we show that compromised CDK1 activity dramatically increases the efficacy of chemotherapeutic agents that kill cancer cells through perturbing DNA replication, including Olaparib, an FDA approved PARP inhibitor. Our study has revealed an important role for CDK1 in the DNA replication program, and suggests that the therapeutic targeting CDK1 may be a novel approach for combination chemotherapy. PMID- 29207596 TI - UVB-induced nuclear translocation of TC-PTP by AKT/14-3-3sigma axis inhibits keratinocyte survival and proliferation. AB - Understanding protein subcellular localization is important to determining the functional role of specific proteins. T-cell protein tyrosine phosphatase (TC PTP) contains bipartite nuclear localization signals (NLSI and NLSII) in its C terminus. We previously have demonstrated that the nuclear form of TC-PTP (TC45) is mainly localized to the cytoplasm in keratinocytes and it is translocated to the nucleus following UVB irradiation. Here, we report that TC45 is translocated by an AKT/14-3-3sigma-mediated mechanism in response to UVB exposure, resulting in increased apoptosis and decreased keratinocyte proliferation. We demonstrate that UVB irradiation increased phosphorylation of AKT and induced nuclear translocation of 14-3-3sigma and TC45. However, inhibition of AKT blocked nuclear translocation of TC45 and 14-3-3sigma. Site-directed mutagenesis of 14-3-3sigma binding sites within TC45 showed that a substitution at Threonine 179 (TC45/T179A) effectively blocked UVB-induced nuclear translocation of ectopic TC45 due to the disruption of the direct binding between TC45 and 14-3-3sigma. Overexpression of TC45/T179A in keratinocytes resulted in a decrease of UVB induced apoptosis which corresponded to an increase in nuclear phosphorylated STAT3, and cell proliferation was higher in TC45/T179A-overexpressing keratinocytes compared to control keratinocytes following UVB irradiation. Furthermore, deletion of TC45 NLSII blocked its UVB-induced nuclear translocation, indicating that both T179 and NLSII are required. Taken together, our findings suggest that AKT and 14-3-3sigma cooperatively regulate TC45 nuclear translocation in a critical step of an early protective mechanism against UVB exposure that signals the deactivation of STAT3 in order to promote keratinocyte cell death and inhibit keratinocyte proliferation. PMID- 29207597 TI - Inhibition of Miro1 disturbs mitophagy and pancreatic beta-cell function interfering insulin release via IRS-Akt-Foxo1 in diabetes. AB - Mitochondrial function is essential to meet metabolic demand of pancreatic beta cells respond to high nutrient stress. Mitophagy is an essential component to normal pancreatic beta-cell function and has been associated with beta-cell failure in Type 2 diabetes (T2D). Our previous studies have indicated that mitochondrial Rho (Miro) GTPase-mediated mitochondrial dysfunction under high nutrient stress leads to NOD-like receptor 3 (NLRP3)-dependent proinflammatory responses and subsequent insulin resistance. However, the in vivo mechanism by which Miro1 underlies mitophagy has not been identified. Here we show firstly that the expression of Miro is reduced in human T2D and mouse db/db islets and in INS-1 cell line exposed to high glucose and palmitate. beta-cell specific ablation of Miro1 (Miro1f/f: Rip-cre mice, or (IKO) under high nutrient stress promotes the development of hyperglycemia. beta-cells from IKO mice display an inhibition of mitophagy under oxidative stress and induces mitochondrial dysfunction. Dysfunctional mitophagy in IKO mice is represented by damaged islet beta cell mitochondrial and secretory capacity, unbalanced downstream MKK-JNK signalling without affecting the levels of MEK, ERK or p38 activation and subsequently, impaired insulin secretion signaling via inhibition IRS-AKT-Foxo1 pathway, leading to worsening glucose tolerance in these mice. Thus, these data suggest that Miro1 may be responsible for mitophagy deficiency and beta-cell dysfunction in T2D and that strategies target Miro1 in vivo may provide a therapeutic target to enhance beta-cell mitochondrial quality and insulin secretion to ameliorate complications associated with T2D. PMID- 29207598 TI - Low expression of SerpinB2 is associated with reduced survival in lung adenocarcinomas. AB - : Lung cancer is a leading cause of cancer deaths worldwide and new biomarkers are of utmost importance. Studies have indicated that the anti-plasminogen activators SerpinB2 and Neuroserpin, and the adhesion molecule L1CAM, have a coordinated impact on development of metastasis. Here, we examined whether expression of these markers was associated with clinico-pathologic characteristics and prognosis in resected non-small cell lung cancer (NSCLC). Surgical specimens from 438 NSCLC patients treated at Haukeland University Hospital, Bergen, Norway (1993-2010) were included (median age 68 years; 213 adenocarcinomas, 135 squamous cell carcinomas, 90 others). Representative tumor sections were stained for SerpinB2, Neuroserpin, and L1CAM. Low expression of SerpinB2 was associated with reduced lung cancer specific survival (LCSS) in adenocarcinomas (p = 0.017), also in stage I (p = 0.031). In contrast, high SerpinB2 was associated with reduced LCSS in stage I squamous cell carcinomas (p = 0.022). Although Neuroserpin and L1CAM showed some associations with clinico pathologic phenotype, there were no associations with survival. In multivariate survival analysis of adenocarcinomas, low SerpinB2 demonstrated independent prognostic value (HR 1.8, p = 0.008). In summary, low expression of SerpinB2 in lung adenocarcinomas was an independent prognostic factor. In contrast to findings by others, we found no impact of L1CAM on survival. INTRODUCTION: PMID- 29207599 TI - Automated histological classification of whole slide images of colorectal biopsy specimens. AB - Background: An automated image analysis system, e-Pathologist, was developed to improve the quality of colorectal biopsy diagnostics in routine pathology practice. Objective: The aim of the study was to evaluate the classification accuracy of the e-Pathologist image analysis software in the setting of routine pathology practice in two institutions. Materials and methods: In total, 1328 colorectal tissue specimens were consecutively obtained from two hospitals (1077 tissues from Tokyo hospital, and 251 tissues from East hospital) and the stained specimen slides were anonymized and digitized. At least two experienced gastrointestinal pathologists evaluated each slide for pathological diagnosis. We compared the 3-tier classification results (carcinoma or suspicion of carcinoma, adenoma, and lastly negative for a neoplastic lesion) between the human pathologists and that of e-Pathologist. Results: For the Tokyo hospital specimens, all carcinoma tissues were correctly classified (n=112), and 9.9% (80/810) of the adenoma tissues were incorrectly classified as negative. For the East hospital specimens, 0 out of the 51 adenoma tissues were incorrectly classified as negative while 9.3% (11/118) of the carcinoma tissues were incorrectly classified as either adenoma, or negative. For the Tokyo and East hospital datasets, the undetected rate of carcinoma, undetected rate of adenoma, and over-detected proportion were 0% and 9.3%, 9.9% and 0%, and 36.1% and 27.1%, respectively. Conclusions: This image analysis system requires some improvements; however, it has the potential to assist pathologists in quality improvement of routine pathological practice in the not too distant future. PMID- 29207600 TI - Host cell transcriptome modification upon exogenous HPV16 L2 protein expression. AB - Human papillomavirus type 16 minor capsid protein L2 has been shown to assist in the initial entry and intracellular trafficking events leading to nuclear translocation of the viral genome. During our investigations of L2 function, we observed that expression of L2 in a keratinocyte cell line (HaCaT) resulted in phenotypic changes. In this manuscript, we present data that expression of the L2 protein in this cellular model system HaCaTs resulted in a shift from G0/G1 phase to mitotic S phase, as well as a reduced amount of retinoblastoma protein (Rb) and an increase in Cdc2 phosphorylation. We performed genome-wide host cell mRNA sequencing and identified 2586 differentially expressed genes upon HPV16 L2 expression. Via machine learning and protein network analysis, genes involved in cellular differentiation and proliferation were highlighted as impacted by L2. Our results have implications for the role of L2 at the viral production stages when the virus needs to prevent cellular differentiation while maintaining the cells ability to replicate DNA. Our study suggests a potential novel function of the L2 protein, as a regulator of cellular gene transcription. PMID- 29207601 TI - Dissecting the mechanisms involved in anti-human T-lymphocyte immunoglobulin (ATG)-induced tolerance in the setting of allogeneic stem cell transplantation - potential implications for graft versus host disease. AB - Polyclonal anti-human thymocyte globulins (ATG) have been recently shown to significantly reduce the incidence of graft versus host disease (GVHD) post allogeneic stem cell transplantation (HSCT) from both sibling and unrelated donors. Induction of regulatory T cells has been suggested as one of the possible mechanisms. The aim of current study was to further characterize the T cell populations induced by ATG treatment and to delineate the mechanisms involved in ATG-induced tolerance. Phenotypic characterization revealed a significant increase in the expression of FoxP3, GITR, CD95, PD-1 and ICOS as well as the complement inhibitory molecules CD55, CD58 and CD59 on CD4+CD25+ T cells upon ATG treatment. Addition of ATG-treated cells to autologous and allogeneic peripheral blood mononuclear cells (PBMCs) stimulated with anti-CD3/anti-CD28 antibodies resulted in significant inhibition of proliferation. Moreover, T-cell activation and IFNgamma secretion were reduced in the presence of ATG-induced Treg cells. The CD4+CD25+CD127-low Treg fraction sorted from ATG-treated culture demonstrated greater suppressive potency than negative fraction. Conditioned medium produced by ATG-treated but not IgG-treated cells contained TGFbeta and suppressed T cell proliferation and activation in a TGFbeta receptor-dependent manner. TGFbeta receptor kinase inhibitor SB431542 interfered with the suppressive activity of ATG-primed cells, enabling partial rescue of proliferation and IFNgamma secretion. Moreover, SB431542 prevented Treg phenotype induction upon ATG treatment. Altogether, our data reveal the role of TGFbeta signaling in ATG mediated immunosuppression and further support the use of ATG, a potent inducer of regulatory T cells, for prevention of GVHD post HSCT and potentially other therapeutic applications. PMID- 29207602 TI - The TRPV1 ion channel regulates thymocyte differentiation by modulating autophagy and proteasome activity. AB - Autophagy and the ubiquitin-proteasome system (UPS) control thymus cell homeostasis under resting and endoplasmic reticulum (ER) stress conditions. Several evidence support a cross-talk between UPS and autophagy; abrogation of UPS responses stimulates autophagy, and vice versa the inhibition of autophagy alters the UPS functions. Herein, we found that TRPV1 activation induces ER stress, proteasome dysfunction and autophagy in thymocytes by modulating the expression of UPR-related genes. The TRPV1-mediated autophagy prevents the UPR activation by inhibiting BiP, Grp94 and ERp57 chaperone protein expression. Thymocytes from TRPV1 KO mice display both autophagy and proteasome dysfunctions, resulting in increased apoptotic cells and reduced total DP thymocyte number. In addition, positive selection of thymocytes triggered by anti-TCRbeta/CD2 Ab mediated costimulation induces apoptosis in thymocytes from TRPV1 KO as compared with WT mice. Stimulation of TRPV1 KO thymocytes with anti-TCRbeta/CD2 mAbs modulates the expression of CD4 antigen on purified DP thymocytes, with reduced number of mature, single positive (SP) CD4 and increased number of immature SP CD4low and DP CD4lowCD8+ thymocytes, further supporting the intrinsic role of TRPV1 in T cell maturation. Finally, a reduction in CD8+ and CD4+ T cells is evidenced in the peripheral blood and spleen of TRPV1 KO, as compared with WT mice. Therapeutic strategy by restraining or stimulating the TRPV1 expression and functions in thymocytes might represent a new pharmacological tool in the regulation of different inflammatory T cell responses. PMID- 29207604 TI - Canis familiaris allergen Can f 6: expression, purification and analysis of B cell epitopes in Chinese dog allergic children. AB - Dog allergy is common worldwide. However, the allergenicity of dog allergy is still unclear in China as well as in special group, such as children. In this study, we chose Can f 6, a major dog allergen which belongs to the lipocalin to study its allergenicity in Chinese dog allergic children. Can f 6 gene was subcloned into pET-28a vector and transformed into E. coli BL21 (DE3) cells for expression. The recombinant Can f 6 was purified by nickel affinity chromatography, identified by SDS-PAGE, and tested for its allergenicity by Western blot with sera and basophil activation test. Secondary structures, B cell epitopes and homology modeling of Can f 6 were predicted by using a series of bioinformatical approaches. And the verification of B cell epitopes was detected by ELISA. The recombinant allergen showed an explicit band with the molecular weight of 20 kDa by SDS-PAGE. Sera from 56.3 % (18/32) of dog-allergic children patients reacted with Can f 6. The induction of the expression of CD63 and CCR3 of dog allergic children in passively sensitized basophils was up to approximately 5.0 times higher than healthy subjects. The secondary structure of Can f 6 contains 3 alpha-helices, 9 beta-sheets and random coils. Five B cell epitopes of Can f 6 were predicted and were confirmed successfully by ELISA. The results showed Can f 6 is a major allergen in Chinese children, which provides a basis for further study of Can f 6 in diagnosis and treatment of symptoms in children in China. The structural information of Can f 6 will help to form a foundation for the future design of vaccines and therapies for Can f 6 related allergies. PMID- 29207603 TI - Effects of baicalein on IL-1beta-induced inflammation and apoptosis in rat articular chondrocytes. AB - In osteoarthritis (OA), activated synoviocytes and articular chondrocytes produce pro-inflammatory cytokines, such as IL-1beta, that promote chondrocyte apoptosis and activate the NF-kappaB signaling pathway to induce catabolic factors. In this study, we examined the anti-inflammatory and anti-apoptotic effect of baicalein on IL-1beta signaling and NF-kappaB-regulated gene products in rat chondrocytes. Rat chondrocytes were pretreated with 10 ng/ml IL-1beta for 24 h and then co treated with 10 ng/ml IL-1beta and 50 MUM baicalein for 0, 12, 24, 36 and 48h. The expression levels of poly(ADP-ribose) polymerase (PARP), Bcl-2, caspase-3, matrix metalloproteinase (MMP)-9, MMP-3, cyclooxygenase (COX)-2 and SOX-9 were detected by Western blot and quantitative reverse transcription-PCR (qPCR). The effects of baicalein on the translocation and phosphorylation of the NF-kappaB system were studied by Western blotting and immunofluorescence. Baicalein stimulated the expression of anti-apoptotic genes and reduced the pro-apoptotic and pro-inflammatory gene products in chondrocytes. Baicalein promoted SOX-9 expression in a time-dependent manner in chondrocytes. Baicalein inhibited the NF kappaB activation that was induced by IL-1beta in a time-dependent manner in chondrocytes. Our results suggest that the anti-inflammatory and anti-apoptotic effects of baicalein are mediated through the inhibition of the translocation of phosphorylated p65 to the nucleus. PMID- 29207605 TI - VEGF121, is predictor for survival in activated B-cell-like diffuse large B-cell lymphoma and is related to an immune response gene signature conserved in cancers. AB - Tumor microenvironment including endothelial and immune cells plays a crucial role in tumor progression and has been shown to dramatically influence cancer survival. In this study, we investigated the clinical relevance of the gene expression of key mediators of angiogenesis, VEGF isoforms 121, 165, and 189, and their receptors (VEGFR-1 and R-2) in a cohort of patients (n = 37) with relapsed/refractory diffuse large B-cell lymphoma (DLBCL) from the Collaborative Trial in Relapsed Aggressive Lymphoma (CORAL). In patients with ABC-like DLBCL, but not in patients with GCB-like DLBCL, low VEGF121 expression was associated with a significantly better survival than in those with high VEGF121 level: 4 year overall survival at 100% vs 36% (p = .011), respectively. A specific gene signature including 57 genes was correlated to VEGF121 expression level and was analyzed using a discovery process in 1,842 GSE datasets of public microarray studies. This gene signature was significantly expressed in other cancer datasets and was associated with immune response. In conclusion, low VEGF121 expression level was significantly associated with a good prognosis in relapsed/refractory ABC-like DLBCL, and with a well-conserved gene-expression profiling signature related to immune response. These findings pave the way for rationalization of drugs targeting immune response in refractory/relapsed ABC-like DLBCL. PMID- 29207606 TI - Combination therapy with an OX40L fusion protein and a vaccine targeting the transcription factor twist inhibits metastasis in a murine model of breast cancer. AB - OX40 is a costimulatory receptor that potentiates proliferation, survival, memory formation, and effector function of CD4+ and CD8+ T-cells, while overcoming the suppressive activity of regulatory T-cells (Tregs). Here, we explored the combination of an OX40L fusion protein (OX40L-FP) with a poxvirus-based cancer vaccine (MVA-Twist-TRICOM) to inhibit tumor metastasis in the 4T1 murine breast cancer model. Contrary to the single agent treatments, the combination therapy significantly decreased the number of metastatic colonies per lung and prolonged survival. Depletion studies demonstrated that these effects were mediated by both CD4+ and CD8+ T-cells. The combination therapy a) increased the total number of T cells in the CD4+Foxp3- population and the CD4+ central and effector memory subsets within the lung, spleen, and draining lymph node, b) enhanced infiltration of CD4+ T-cells into metastatic areas of the lung, and (c) increased the number of functional CD8+ T-cells that produced IFNgamma and TNFalpha. The combination therapy also promoted the development of KLRG1-CD127+ memory precursor CD8+ T-cells, while reducing those with a KLRG1+ terminally differentiated phenotype. Moreover, the combination of OX40L-FP and vaccine induced greater CD4+ and CD8+ Twist-specific responses. In addition, Tregs isolated from mice receiving the combination were also less immunosuppressive in ex-vivo proliferation assays than those from the OX40L-FP and MVA-Twist-TRICOM monotherapy groups. Such results provide the rationale to combine co-stimulatory agonists with cancer vaccines for the treatment of tumor metastasis. PMID- 29207607 TI - Cyclin A2 regulates homologous recombination DNA repair and sensitivity to DNA damaging agents and poly(ADP-ribose) polymerase (PARP) inhibitors in human breast cancer cells. AB - Defects in homologous recombination (HR) repair are found in breast cancers. Intriguingly, breast cancers with defective HR show increased sensitivity to DNA crosslinking agents and poly(ADP-ribose) polymerase (PARP) inhibitors. As such, genes that can affect HR functions have been of high interest in studies aiming to develop biomarkers for predicting response to treatment with these agents. Cyclin A2 is a key component of the core cell cycle machinery. However, whether cyclin A2 dysfunctions could cause HR defect and mediate sensitivity to DNA damaging agents remain unclear. Here we show that loss of cyclin A2 causes high rates of double-strand breaks (DSB) in MCF-7 and MDA-MB-231 cells. The increased DSB was due to defective HR-mediated repair of the breaks, resulting from reduced MRE11 and RAD51 proteins. Cyclin A2 mediates MRE11 abundance through its MRE11 mRNA binding property and RAD51 abundance through inhibition of proteasome degradation of RAD51. Moreover, cyclin A2 depletion hypersensitized the cells to DNA damaging agents, such as cisplatin and melphalan. Our results demonstrate novel roles for cyclin A2 in regulating HR repair and determining sensitivity to DNA cross linkers and PARP inhibitors in breast cancer cells. PMID- 29207608 TI - GSTA1 diplotypes affect busulfan clearance and toxicity in children undergoing allogeneic hematopoietic stem cell transplantation: a multicenter study. AB - Busulfan (BU) dose adjustment following therapeutic drug monitoring contributes to better outcome of hematopoietic stem cell transplantation (HSCT). Further improvement could be achieved through genotype-guided BU dose adjustments. To investigate this aspect, polymorphism within glutathione S transferase genes were assessed. Particularly, promoter haplotypes of the glutathione S transferase A1 (GSTA1) were evaluated in vitro, with reporter gene assays and clinically, in a pediatric multi-center study (N =138) through association with BU pharmacokinetics (PK) and clinical outcomes. Promoter activity significantly differed between the GSTA1 haplotypes (p<0.001) supporting their importance in capturing PK variability. Four GSTA1 diplotype groups that significantly correlated with clearance (p=0.009) were distinguished. Diplotypes underlying fast and slow metabolizing capacity showed higher and lower BU clearance (ml/min/kg), respectively. GSTA1 diplotypes with slow metabolizing capacity were associated with higher incidence of sinusoidal obstruction syndrome, acute graft versus host disease and combined treatment-related toxicity (p<0.0005). Among other GST genes investigated, GSTP1 313GG correlated with acute graft versus host disease grade 1-4 (p=0.01) and GSTM1 non-null genotype was associated with hemorrhagic cystitis (p=0.003). This study further strengthens the hypothesis that GST diplotypes/genotypes could be incorporated into already existing population pharmacokinetic models for improving first BU dose prediction and HSCT outcomes. (No Clinicaltrials.gov identifier: NCT01257854. Registered 8 December 2010, retrospectively registered). PMID- 29207609 TI - Reciprocal regulation of DGCR5 and miR-320a affects the cellular malignant phenotype and 5-FU response in pancreatic ductal adenocarcinoma. AB - Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive and lethal malignancies. Long non-coding microRNAs (lncRNAs) are a newly discovered type of regulatory molecule with both diagnostic and prognostic value, but the role of lncRNA in PDAC has not been well investigated until now. Here, we present evidence that shows that the lncRNA DGCR5 is significantly reduced in PDAC tissues as well as in PDAC cell lines and that the downregulation of DGCR5 predicts poor prognosis. Ectopic expression of DGCR5 inhibits the proliferation and migration, and promotes 5-FU resistances of PDAC cells. Further experiments demonstrated that DGCR5 and miR-320a regulate each other in a reciprocal manner and that DGCR5 reverses the inhibition of PDCD4 by miR-320a, which is involved in the regulation of the PDAC cell phenotype and response to 5-FU. Our findings provide novel information about the functions of lncRNAs in PDAC, some of which might be beneficial to the precise diagnosis, prognosis and individualized therapy of patients with PDAC in the future. PMID- 29207611 TI - The positivity of G-protein-coupled receptor-30 (GPR 30), an alternative estrogen receptor is not different between type 1 and type 2 endometrial cancer. AB - It is well-known that the clinical outcomes are different between type 1 (estrogen dependent) and type 2 (estrogen independent) endometrial cancer. Studies have suggested that the estrogen receptor (ER) is positively correlated with endometrial cancer survival, however we previously reported that there is no difference in the positivity of ER as well as sex hormone levels between subtypes of cancer. G-protein-coupled receptor-30 (GPR 30), an alternative estrogen receptor has been suggested to be negatively correlated with clinical outcomes of endometrial cancer. In this study we investigated whether the positivity of GPR30 is different between subtypes of cancer. The immunostaining of GPR30 and ER was examined and analysed in 128 cases taking into account menopausal status. Overall, 105 (82%) cases were GPR30 positive and 118 (92%) cases were ER positive. The positivity of GPR30 in type 1 endometrial cancer (83%) was not statistically different to type 2 endometrial cancer (78%). In addition, intensity of immunostaining of GPR30 in type 1 endometrial cancer was also not different to type 2 endometrial cancer quantified by semi-quantitative analysis (p = 0.268). Menopausal status was not associated with the positivity of GPR30 in both type 1 and type 2 endometrial cancer. Furthermore, the positivity and intensity of immunostaining of GPR30 were not correlated with the positivity and intensity of immunostaining of ER in endometrial cancer (p = 0.689). Our data further confirm that type 2 endometrial cancer may not be completely estrogen independent, and suggest that type 1 and type 2 endometrial cancer may have similar pathogenesis. PMID- 29207612 TI - The antitumor effect of arsenic trioxide on hepatocellular carcinoma is enhanced by andrographolide. AB - High concentrations of arsenic trioxide (As2O3) are used to treat acute promyelocytic leukemia and solid tumors, with negative side effects to normal cells. Andrographolide is a traditional Chinese medicine that exerts anti-cancer, anti-inflammatory, anti-virus, and anti-diabetic effects. Here, we tested the effects of combined andrographolide with As2O3 against hepatocellular carcinoma (HCC). We found that by increasing apoptosis, andrographolide synergistically enhanced the anti-tumor effects of As2O3 in HepG2 cells in vitro and in vivo. Furthermore, results from our microarray assays and experiments with mouse xenografts showed that EphB4 was downregulated by the combination of As2O3 plus andrographolide. These findings suggest that the combination of andrographolide and As2O3 could yield therapeutic benefits in the treatment of HCC. PMID- 29207610 TI - Integration of microRNAome, proteomics and metabolomics to analyze arsenic induced malignant cell transformation. AB - Long-term exposure to arsenic has been linked to tumorigenesis in different organs and tissues, such as skin; however, the detailed mechanism remains unclear. In this present study, we integrated "omics" including microRNAome, proteomics and metabolomics to investigate the potential molecular mechanisms. Compared with non-malignant human keratinocytes (HaCaT), twenty-six miRNAs were significantly altered in arsenic-induced transformed cells. Among these miRNAs, the differential expression of six miRNAs was confirmed using Q-RT-PCR, representing potential oxidative stress genes. Two-dimensional gel electrophoresis (2D-PAGE) and mass spectrometry (MS) were performed to identify the differential expression of proteins in arsenic-induced transformed cells, and twelve proteins were significantly changed. Several proteins were associated with oxidative stress and carcinogenesis including heat shock protein beta-1 (HSPB1), peroxiredoxin-2 (PRDX2). Using ultra-performance liquid chromatography and Q-TOF mass spectrometry (UPLC/Q-TOF MS), 68 metabolites including glutathione, fumaric acid, citric acid, phenylalanine, and tyrosine, related to redox metabolism, glutathione metabolism, citrate cycle, met cycle, phenylalanine and tyrosine metabolism were identified and quantified. Taken together, these results indicated that arsenic-induced transformed cells exhibit alterations in miRNA, protein and metabolite profiles providing novel insights into arsenic-induced cell malignant transformation and identifying early potential biomarkers for cutaneous squamous cell carcinoma induced by arsenic. PMID- 29207613 TI - Changes in renal function indices in cirrhotic chronic hepatitis C patients treated with sofosbuvir-containing regimens. AB - This study aimed to explore changes in hepatic and renal function indices in chronic hepatitis C (CHC) patients treated with direct-acting antivirals (DAAs). Forty-three CHC patients treated with sofosbuvir (SOF)-containing regimens were enrolled. At the end of treatment, the estimated glomerular filtration rate (eGFR) level was significantly decreased and the serum creatinine (Scr) and uric acid (UA) levels were significantly increased compared with baseline levels (eGFR: 86.7 +/- 20.4 vs 80.5 +/- 21.3, P01 = 0.005; Scr: 83.9 +/- 19.1 vs 89.6 +/ 21.1, P01 < 0.001; UA: 323.7+/- 86.2 vs 358.5 +/- 93.2, P01 < 0.001); no significant improvements were observed at 24 w post-treatment (eGFR: 86.7 +/- 20.4 vs 81.4 +/- 18.6, P02 = 0.013; Scr: 83.6 +/- 17.9 vs 87.9 +/- 18.3, P02 = 0.014; UA: 320.8 +/- 76.3 vs 349.3 +/- 91.0, P02 = 0.004). When the patients were grouped by liver conditions, non-cirrhotic patients and cirrhotic patients had decreased eGFR levels and increased Scr levels at the end of treatment; at 24 w post-treatment, the eGFR and Scr levels were significantly improved in non cirrhotic patients (88.4 +/- 21.7 vs 83.8 +/- 18.5, P02 = 0.142; 84.4 +/- 20.4 vs 87.0 +/- 16.9, P02 = 0.088), while no obvious improvements were observed in cirrhotic patients (84.3 +/- 18.7 vs 78.1 +/- 18.6, P02 = 0.002; 83.2 +/- 17.7 vs 89.2 +/- 20.6, P02 = 0.006). Clinical physicians should closely monitor renal function in patients treated with SOF-containing regimens, especially in cirrhotic patients. PMID- 29207614 TI - Danshen improves survival of patients with advanced lung cancer and targeting the relationship between macrophages and lung cancer cells. AB - In traditional Chinese medicine, Salvia miltiorrhiza Bunge (danshen) is widely used in the treatment of numerous cancers. However, its clinical effort and mechanism in the treatment of advanced lung cancer are unclear. In our study, the in vivo protective effort of danshen in patients with advanced lung cancer were validated using data from the National Health Insurance Research Database in Taiwan. We observed in vitro that dihydroisotanshinone I (DT), a bioactive compound in danshen, exerts anticancer effects through many pathways. First, 10 MUM DT substantially inhibited the migration ability of lung cancer cells in both macrophage and macrophage/lung cancer direct mixed coculture media. Second, 10 MUM DT repressed the phosphorylation of signal transducer and activator of transcription 3 (STAT3), the protein expression of S-phase kinase associated protein-2 (Skp2), and the mRNA levels of STAT3-related genes, including chemokine (C-C motif) ligand 2 (CCL2). In addition, 10 MUM DT suppressed the macrophage recruitment ability of lung cancer cells by reducing CCL2 secretion from both macrophages and lung cancer cells. Third, 20 MUM DT induced apoptosis in lung cancer cells. Furthermore, DT treatment significantly inhibited the final tumor volume in a xenograft nude mouse model. In conclusion, danshen exerts protective efforts in patients with advanced lung cancer. These effects can be attributed to DT-mediated interruption of the cross talk between lung cancer cells and macrophages and blocking of lung cancer cell proliferation. PMID- 29207615 TI - PIK3CA mutations are associated with increased tumor aggressiveness and Akt activation in gastric cancer. AB - PIK3CA mutations are frequent in gastric cancer. However, their pathological and clinical implications are still unclear. We analyzed the clinicopathological characteristics according to the PIK3CA mutation status of patients with stage IB IV disease who underwent gastrectomy between May 2003 and Dec. 2005 (cohort 1; n = 302) and of those with stage IV disease who received gastrectomy between Jul. 2006 and Dec. 2012 (cohort 2; n = 120). PIK3CA mutations were detected in 40 patients (13.2%) in cohort 1. In these patients, PIK3CA-mutant tumors were more frequently located in the upper third of the stomach (p = 0.021) and significantly showed poorly differentiated histology (p = 0.018) and increased lymphatic (p = 0.015), vascular (p = 0.005), and perineural invasion (p = 0.026). In addition, these tumors showed significantly increased lymphocyte and neutrophil infiltration in cancer stroma (p < 0.001), Epstein-Barr virus positivity (p < 0.001), and microsatellite instability (p = 0.015). Cytoplasmic Akt expression was significantly increased in these tumors (p = 0.001). In cohort 2, PIK3CA mutations were identified in 15 patients (12.5%). PIK3CA-mutant tumors showed significantly increased vascular invasion (p = 0.019) and microsatellite instability (p = 0.041). In addition, cytoplasmic Akt expression was also significantly increased (p = 0.018). However, in both cohorts, PIK3CA mutations were not associated with the prognosis of patients. In conclusion, PIK3CA mutations were associated with increased tumor aggressiveness, especially in locoregional disease, and Akt activation in gastric cancer. Our data suggest that PIK3CA-mutated gastric cancer is a distinct disease entity, which might need a different therapeutic approach. PMID- 29207616 TI - PKM2 activation sensitizes cancer cells to growth inhibition by 2-deoxy-D glucose. AB - Cancer metabolism has emerged as an increasingly attractive target for interfering with tumor growth. Small molecule activators of pyruvate kinase isozyme M2 (PKM2) suppress tumor formation but have an unknown effect on established tumors. We demonstrate that TEPP-46, a PKM2 activator, results in increased glucose consumption, providing the rationale for combining PKM2 activators with the toxic glucose analog, 2-deoxy-D-glucose (2-DG). Combination treatment resulted in reduced viability of a range of cell lines in standard cell culture conditions at concentrations of drugs that had no effect when used alone. This effect was replicated in vivo on established subcutaneous tumors. We further demonstrated the ability to detect acute metabolic differences in combination treatment using hyperpolarized magnetic resonance spectroscopy (MRS). Combination treated tumors displayed a higher pyruvate to lactate 13C-label exchange 2 hr post-treatment. This ability to assess the effect of drugs non-invasively may accelerate the implementation and clinical translation of drugs that target cancer metabolism. PMID- 29207617 TI - Phenotypic and clinical characterization of low density neutrophils in patients with advanced lung adenocarcinoma. AB - Purpose: An immunosuppressive subgroup of neutrophils, low density neutrophils (LDNs) was reported to be closely related to several diseases. This study was designed to explore the association between LDNs and advanced lung adenocarcinoma, as well as potential mechanisms. Results: The expression levels of surface CD molecules on LDNs were different from high density neutrophils (HDNs), consistent with previous studies. The ratio of LDNs/HDNs, rather than the percentage of LDNs in peripheral blood mononuclear cells (PBMCs), was significantly higher in lung adenocarcinoma patients than healthy controls. It was also observed that the ratio decreased when patients received anti-cancer treatments, and increased when disease relapsed. Patients harboring positive epidermal growth factor receptor (EGFR) mutation had significantly higher ratios. Both the ratio and the percentage showed positive correlation with CD8+ T cells. Although significantly increased TGF-beta was detected in lung adenocarcinoma patients, relationship between TGF-beta and LDNs was not obvious. Materials and Methods: LDNs and HDNs levels of peripheral blood from 52 lung adenocarcinoma patients and 13 healthy controls were determined by flow cytometry. Lymphocytes and cytokines were also detected. Conclusions: Two kinds of neutrophils with different phenotypes were identified in lung adenocarcinoma patients. Besides, we found the existence of high ratio of LDNs/HDNs in these patients, which is related to disease prognosis, EGFR mutation and bad immune status. PMID- 29207618 TI - Neuroprotective effect of a novel gastrodin derivative against ischemic brain injury: involvement of peroxiredoxin and TLR4 signaling inhibition. AB - The inhibition of extracellular inflammatory peroxiredoxin (Prx) signaling appears to be a potential therapeutic strategy for neuroinflammatory injury after acute ischemic stroke. Gastrodin (Gas) is a phenolic glycoside that is used for the treatment of cerebral ischemia, accompanied by regulation of the autoimmune inflammatory response. The present study investigated the neuroprotective effects of Gas and its derivative, Gas-D, with a focus on the potential mechanism associated with inflammatory Prx-Toll-like receptor 4 (TLR4) signaling. Gas-D significantly inhibited Prx1-, Prx2-, and Prx4-induced inflammatory responses in RAW264.7 macrophages and H2O2-mediated oxidative injury in SH-SY5Y nerve cells. In rats, intraperitoneal Gas-D administration 10 h after reperfusion following 2 h middle cerebral artery occlusion (MCAO) ameliorated neurological deficits, brain infarction, and neuropathological alterations, including neuron loss, astrocyte and microglia/macrophage activation, T-lymphocyte invasion, and lipid peroxidation. Delayed Gas-D treatment significantly inhibited postischemic Prx1/2/4 expression and spillage, TLR4 signaling activation, and inflammatory mediator production. In contrast, Gas had no significant effects in either cell model or in MCAO rats under the same conditions. These results indicate that Gas D may be a drug candidate with an extended therapeutic time window that blocks inflammatory responses and attenuates the expression and secretome of inflammatory Prxs in acute ischemic stroke. PMID- 29207619 TI - Antitumor activity of gemcitabine against high-grade meningioma in vitro and in vivo. AB - Currently, there is no established therapeutic option for high-grade meningioma recurring after surgery and radiotherapy, and few chemotherapeutic agents are in development for the treatment of high-grade meningioma. Here in this study, we screened a panel of chemotherapeutic agents for their possible antitumor activity in high-grade meningioma and discovered that high-grade meningioma cells show a preferential sensitivity to antimetabolites, in particular, to gemcitabine. In vitro, gemcitabine inhibited the growth of high-grade meningioma cells effectively by inducing S-phase arrest and apoptotic cell death. In vivo, systemic gemcitabine chemotherapy suppressed not only tumor initiation but also inhibited the growth and achieved a long-term control of established tumors in xenograft models of high-grade meningioma. Histological analysis indicated that systemic gemcitabine blocks cell cycle progression and promotes apoptotic cell death in tumor cells in vivo. Together, our data demonstrate that gemcitabine exerts potent antitumor activity against high-grade meningioma through cytostatic and cytotoxic mechanisms. We therefore propose gemcitabine is a promising chemotherapeutic agent that warrants further investigation as a treatment option for high-grade meningioma. PMID- 29207620 TI - TXNDC5 is a cervical tumor susceptibility gene that stimulates cell migration, vasculogenic mimicry and angiogenesis by down-regulating SERPINF1 and TRAF1 expression. AB - TXNDC5 (thioredoxin domain-containing protein 5) catalyzes disulfide bond formation, isomerization and reduction. Studies have reported that TXNDC5 expression is increased in some tumor tissues and that its increased expression can predict a poor prognosis. However, the tumorigenic mechanism has not been well characterized. In this study, we detected a significant association between the rs408014 and rs7771314 SNPs at the TXNDC5 locus and cervical carcinoma using the Taqman genotyping method. We also detected a significantly increased expression of TXNDC5 in cervical tumor tissues using immunohistochemistry and Western blot analysis. Additionally, inhibition of TXNDC5 expression using siRNA prevented tube-like structure formation, an experimental indicator of vasculogenic mimicry and metastasis, in HeLa cervical tumor cells. Inhibiting TXNDC5 expression simultaneously led to the increased expression of SERPINF1 (serpin peptidase inhibitor, clade F) and TRAF1 (TNF receptor-associated factor 1), which have been reported to inhibit angiogenesis and metastasis as well as induce apoptosis. This finding was confirmed in Caski and C-33A cervical tumor cell lines. The ability to form tube-like structures was rescued in HeLa cells simultaneously treated with anti-TXNDC5, SERPINF1 and TRAF1 siRNAs. Furthermore, the inhibition of TXNDC5 expression significantly attenuated endothelial tube formation, a marker of angiogenesis, in human umbilical vein endothelial cells. The present study suggests that TXNDC5 is a susceptibility gene in cervical cancer, and high expression of this gene contributes to abnormal angiogenesis, vasculogenic mimicry and metastasis by down-regulating SERPINF1 and TRAF1 expression. PMID- 29207621 TI - Genetic variation of lncRNA GAS5 contributes to the development of lung cancer. AB - Lung cancer remains the leading cause of cancer-related deaths throughout the world. In spite of great effort for the research of carcinogenesis, the molecular mechanisms of lung cancer remain unclear. In current study, we investigated the possible association between susceptibility of lung cancer and GAS5 rs145204276, which showed contradictory roles in carcinogenesis of colorectal cancer and hepatocellular carcinoma. We found that the del allele was significantly associated with 21% decreased risk of lung cancer (OR=0.79; 95% CI=0.66-0.93; P value = 0.006). Compared with the genotype ins/ins, both the genotype ins/del (OR=0.78; 95% CI=0.62-0.99) and del/del (OR=0.59;95% CI=0.39-0.89) showed decreased susceptibility of lung cancer. Real-time PCR analysis found that the expression levels of lncRNA GAS5 in lung cancer tissues were significantly lower than those in the corresponding normal tissues (P<0.01). Also the relative GAS5 expression level in samples with del/del genotype was significantly higher than that in samples with ins/del and ins/ins genotype (P<0.01). Taken together, our findings provided strong evidence for the hypothesis that GAS5 rs145204276 were significantly associated with the susceptibility of lung cancer, and GAS5 functions as a tumor suppressor in carcinogenesis of lung cancer. PMID- 29207622 TI - The performance of 11C-Methionine PET in the differential diagnosis of glioma recurrence. AB - Despite the advancement of neuroimaging techniques, it often remains a diagnostic challenge to distinguish recurrent glioma from lesions representing treatment effect. Preliminary reports suggest that 11C-methionine Positron emission tomography (PET) can assist in diagnosing true glioma recurrence. We present here a meta-analysis to assess the accuracy of 11C-methionine PET in identifying recurrent glioma in patients who had undergone prior therapy. A comprehensive search of the PubMed, Embase and Chinese Biomedical (CBM) databases yielded 23 eligible articles comprising 29 studies listed prior to November 20, 2016, representing 891 patients. In this report, we assess the methodological quality of each article individually and perform a meta-analysis to obtain the summary diagnostic accuracy of 11C-methionine PET in correctly identifying recurrent glioma. The pooled sensitivity and specificity are 0.88 (95% CI: 0.85, 0.91) and 0.85 (95% CI: 0.80, 0.89), respectively, with an area under the curve (AUC) for the summary receiver-operating characteristic curve (SROC) of 0.9352. We conclude that 11C-methionine PET has excellent diagnostic performance for differentiating glioma recurrence from treatment effect. PMID- 29207623 TI - Isoxazole compound ML327 blocks MYC expression and tumor formation in neuroblastoma. AB - Neuroblastomas are the most common extracranial solid tumors in children and arise from the embryonic neural crest. MYCN-amplification is a feature of ~30% of neuroblastoma tumors and portends a poor prognosis. Neural crest precursors undergo epithelial-to-mesenchymal transition (EMT) to gain migratory potential and populate the sympathoadrenal axis. Neuroblastomas are posited to arise due to a blockade of neural crest differentiation. We have recently reported effects of a novel MET inducing compound ML327 (N-(3-(2-hydroxynicotinamido) propyl)-5 phenylisoxazole-3-carboxamide) in colon cancer cells. Herein, we hypothesized that forced epithelial differentiation using ML327 would promote neuroblastoma differentiation. In this study, we demonstrate that ML327 in neuroblastoma cells induces a gene signature consistent with both epithelial and neuronal differentiation features with adaptation of an elongated phenotype. These features accompany induction of cell death and G1 cell cycle arrest with blockage of anchorage-independent growth and neurosphere formation. Furthermore, pretreatment with ML327 results in persistent defects in proliferative potential and tumor-initiating capacity, validating the pro-differentiating effects of our compound. Intriguingly, we have identified destabilization of MYC signaling as an early and consistent feature of ML327 treatment that is observed in both MYCN amplified and MYCN-single copy neuroblastoma cell lines. Moreover, ML327 blocked MYCN mRNA levels and tumor progression in established MYCN-amplified xenografts. As such, ML327 may have potential efficacy, alone or in conjunction with existing therapeutic strategies against neuroblastoma. Future identification of the specific intracellular target of ML327 may inform future drug discovery efforts and enhance our understanding of MYC regulation. PMID- 29207624 TI - Autophagy suppression potentiates the anti-glioblastoma effect of asparaginase in vitro and in vivo. AB - Asparaginase has been reported to be effective in the treatment of various leukemia and several malignant solid cancers. However, the anti-tumor effect of asparaginase is always restricted due to complicated mechanisms. Herein, we investigated the mechanisms of how glioblastoma resisted asparaginase treatment and reported a novel approach to enhance the anti-glioblastoma effect of asparaginase. We found that asparaginase could induce growth inhibition and caspase-dependent apoptosis in U87MG/U251MG glioblastoma cells. Meanwhile, autophagy was activated as indicated by autophagosomes formation and upregulated expression of LC3-II. Importantly, abolishing autophagy using chloroquine (CQ) and LY294002 enhanced the cytotoxicity and apoptosis induced by asparaginase in U87MG/U251MG cells. Further study proved that Akt/mTOR and Erk signaling pathways participated in autophagy induction, while reactive oxygen species (ROS) served as an intracellular regulator for both cytotoxicity and autophagy in asparaginase treated U87MG/U251MG cells. Moreover, combination treatment with autophagy inhibitor CQ significantly enhanced anti-glioblastoma efficacy of asparaginase in U87MG cell xenograft model. Taken together, our results demonstrated that inhibition of autophagy potentiated the anti-tumor effect of asparagine depletion on glioblastoma, indicating that targeting autophagy and asparagine could be a potential approach for glioblastoma treatment. PMID- 29207625 TI - Stanniocalcin2 acts as an anorectic factor through activation of STAT3 pathway. AB - The regulation of food intake and body weight has been hotly investigated. In the present study, we show that stanniocalcin2 (STC2), a cytokine ubiquitously expressed and especially upregulated in many types of human cancers, has a regulatory role in food intake and weight loss. Systemic treatment of C57BL/6 mice with recombinant STC2 protein resulted in decreased food intake and body weight, whereas energy expenditure was not affected. Similarly, STC2 treatment also induced anorexia in hyperphagic leptin-deficient mice, leading to a significant reduction in body weight and improvement of blood glucose levels. Furthermore, intracerebroventricular administration of STC2 to mice led to an acute decrease in food intake, which was mediated, at least in part, by activation of STAT3 pathway. Taken together, our results revealed the importance of STC2 in the regulation of feeding behavior as well as body weight. PMID- 29207626 TI - Perioperative outcomes of robotic surgery for the treatment of lung cancer compared to a conventional video-assisted thoracoscopic surgery (VATS) technique. AB - Aim: To conduct a meta-analysis to determine the relative merits between robotic video-assisted thoracoscopic surgery (R-VATS) and conventional video-assisted thoracoscopic surgery (VATS) for lung cancer. Results: Fifteen studies matched the selection criterion, which reported 8827 subjects, of whom 1704 underwent R VATS and 7123 underwent VATS. Compared the perioperative outcomes with VATS, reports of R-VATS indicated unfavorable outcomes considering the operative time (SMD = 0.48, 95% CI 0.15 to 0.81). Meanwhile, the number of dissected lymph nodes (SMD = 0.12, 95% CI -0.27 to 0.51) and hospital stay following surgery (SMD = 0.1; 95% CI -0.27 to 0.07), conversion (RR = 0.68; 95% CI 0.42 to 1.11), morbidity (RR = 0.99, 95% CI 0.92 to 1.07) and mortality (RR = 0.33, 95% CI 0.1 to 1.09) were similar for both procedures. Materials and Methods: A literature search was performed to identify comparative studies reporting perioperative outcomes for R-VATS and VATS for lung cancer. Pooled risk ratio (RR) and standardized mean differences (SMDs) with 95% confidence intervals (95% CIs) were calculated using either the fixed effects model or the random effects model. Conclusions: There is no difference in terms of perioperative outcomes between R VATS and VATS except for the operative time which is significantly high for R VATS. Further studies are required to confirm these results. PMID- 29207627 TI - Orellanine specifically targets renal clear cell carcinoma. AB - Renal cell carcinoma (RCC), arising from the proximal tubule in the kidney, accounts for approximately 85% of kidney cancers and causes over 140,000 annual deaths worldwide. In the last decade, several new therapies have been identified for treatment of metastatic RCC. Although these therapies increase survival time compared to standard care, none of them has curative properties. The nephrotoxin orellanine specifically targets proximal tubular epithelial cells, leaving other organs unaffected. We therefore hypothesized that the selective toxicity of orellanine extends to clear cell RCC (ccRCC) cells since they emanate from proximal tubular cells. Orellanine would thus target both primary and metastatic ccRCC in vitro and in vivo. We found that orellanine induces dose-dependent cell death in proximal tubular cells and in all ccRCC cells tested, both primary and cell lines, with no toxicity detected in control cells. The toxic action of orellanine involve decreased protein synthesis, disrupted cell metabolism and induction of apoptosis. In nude rats carrying human ccRCC xenografts, brief orellanine treatment eliminated more than 90% of viable tumor mass compared to control rats. This identifies orellanine as a potential treatment concept for ccRCC patients on dialysis, due to its unique selective toxicity towards ccRCC. PMID- 29207628 TI - Sigma-1 and Sigma-2 receptor ligands induce apoptosis and autophagy but have opposite effect on cell proliferation in uveal melanoma. AB - Uveal melanoma is the most common primary intraocular tumor in adults, with about 1200-1500 new cases occurring per year in the United States. Metastasis is a frequent occurrence in uveal melanoma, and outcomes are poor once distant spread occurs and no clinically significant chemotherapeutic protocol is so far available. The aim of the present study was to test the effect of various sigma1 and sigma2 receptor ligands as a possible pharmacological strategy for this rare tumor. Human uveal melanoma cells (92.1) were treated with various concentrations of different sigma2 ligands (haloperidol and haloperidol metabolite II) and sigma1 ligand ((+)-pentazocine) at various concentrations (1, 10 and 25 MUM) and time points (0, 4 h, 8 h, 24 h and 48 h). Cell proliferation and migration were evaluated respectively by continuous cell monitoring by xCELLigence analysis, clonogenic assay and wound healing. Apoptosis and autophagy were also measured by cytofluorimetric and microscopy analysis. Our results showed that sigma2 receptor ligands significantly reduced cell proliferation whereas (+)-pentazocine exhibited opposite results. All tested ligands showed significant decrease in cell migration. Interestingly, both sigma1 and sigma2 receptor ligands showed significant increase of autophagy and apoptosis at all concentrations. Taken all together these results suggest that sigma receptors mediates opposite biological effects but they also share common pharmacological effect on apoptosis and autophagy in uveal melanoma. In conclusion, these data provide the first evidence that sigma receptors may represent a "druggable" target to develop new chemotherapic agent for uveal melanoma. PMID- 29207629 TI - Genetic deletion of Rnd3 in neural stem cells promotes proliferation via upregulation of Notch signaling. AB - Rnd3, a Rho GTPase, is involved in the inhibition of actin cytoskeleton dynamics through the Rho kinase-dependent signaling pathway. We previously demonstrated that mice with genetic deletion of Rnd3 developed a markedly larger brain compared with wild-type mice. Here, we demonstrate that Rnd3 knockout mice developed an enlarged subventricular zone, and we identify a novel role for Rnd3 as an inhibitor of Notch signaling in neural stem cells. Rnd3 deficiency, both in vivo and in vitro, resulted in increased levels of Notch intracellular domain protein. This led to enhanced Notch signaling and promotion of aberrant neural stem cell growth, thereby resulting in a larger subventricular zone and a markedly larger brain. Inhibition of Notch activity abrogated this aberrant neural stem cell growth. PMID- 29207630 TI - Shp2 regulates migratory behavior and response to EGFR-TKIs through ERK1/2 pathway activation in non-small cell lung cancer cells. AB - In the clinical treatment of lung cancer, therapy failure is mainly caused by cancer metastasis and drug resistance. Here, we investigated whether the tyrosine phosphatase Shp2 is involved in the development of metastasis and drug resistance in non-small cell lung cancer (NSCLC). Shp2 was overexpressed in a subset of lung cancer tissues, and Shp2 knockdown in lung cancer cells inhibited cell proliferation and migration, downregulated c-Myc and fibronectin expression, and upregulated E-cadherin expression. In H1975 cells, which carry double mutations (L858R + T790M) in epidermal growth factor receptor (EGFR) that confers resistance toward the tyrosine kinase inhibitor gefitinib, Shp2 knockdown increased cellular sensitivity to gefitinib; conversely, in H292 cells, which express wild-type EGFR and are sensitive to gefitinib, Shp2 overexpression increased cellular resistance to gefitinib. Moreover, by overexpressing Shp2 or using U0126, a small-molecule inhibitor of extracellular signal-regulated kinase 1/2 (ERK1/2), we demonstrated that Shp2 inhibited E-cadherin expression and enhanced the expression of fibronectin and c-Myc through activation of the ERK1/2 pathway. Our findings reveal that Shp2 is overexpressed in clinical samples of NSCLC and that Shp2 knockdown reduces the proliferation and migration of lung cancer cells, and further suggest that co-inhibition of EGFR and Shp2 is an effective approach for overcoming EGFR T790M mutation acquired resistance to EGFR tyrosine kinase inhibitors (TKIs). Thus, we propose that Shp2 could serve as a new biomarker in the treatment of NSCLC. PMID- 29207631 TI - Tetrahydrocurcumin induces mesenchymal-epithelial transition and suppresses angiogenesis by targeting HIF-1alpha and autophagy in human osteosarcoma. AB - Human osteosarcoma is considered a malignant tumor with poor prognosis that readily metastasizes. Tetrahydrocurcumin (THC) has been reported to have anti tumor activity in numerous tumors. In addition, hypoxia-inducible factor-1alpha (HIF-1alpha) has been demonstrated to be associated with tumor metastasis by regulating epithelial-mesenchymal transition (EMT). However, the role of THC in osteosarcoma remains uncertain. Therefore, this study aimed to elucidate the potential mechanisms. We found that THC significantly reduced the growth of osteosarcoma cells and suppressed migration and invasion, as tested in a nude mouse lung metastasis model. Additionally, the mesenchymal-epithelial transition (MET) process was facilitated by THC. Mechanistically, our study showed that HIF 1alpha had a pivotal role in the anti-metastatic effect of THC. Importantly, HIF 1alpha expression was downregulated by THC by inhibiting Akt/mTOR and p38 MAPK pathways. Moreover, THC exhibited a remarkable inhibitory effect on HIF-1alpha expression and angiogenesis under hypoxic conditions. Furthermore, THC activated autophagy and induced MET and suppressed angiogenesis in a HIF-1alpha-related manner. Taken together, our findings suggest that THC suppresses metastasis and invasion and this may be associated with HIF-1alpha and autophagy, which would potentially provide therapeutic strategies for human osteosarcoma. PMID- 29207632 TI - Addition of 5-fluorouracil to first-line induction chemotherapy with docetaxel and cisplatin before concurrent chemoradiotherapy does not improve survival in locoregionally advanced nasopharyngeal carcinoma. AB - Although a multicenter, randomized study indicated that induction chemotherapy (IC) with docetaxel/cisplatin/fluorouracil (TPF) before concurrent chemoradiotherapy (CCRT) improves survival outcomes, it remains unclear whether TPF is the best IC regimen for treating locoregionally advanced nasopharyngeal carcinoma (NPC). Our aim was to compare the efficacy and toxicities of TPF vs. docetaxel/cisplatin (TP) IC followed by CCRT in patients with locoregionally advanced NPC. One hundred thirty-two patients with locoregionally advanced NPC received 21-day cycles of IC with either TPF or TP. Both were followed by intensity-modulated radiotherapy concurrent with the cisplatin treatment every 3 weeks. Three-year rates of locoregional relapse-free survival, distant metastasis free survival, progression-free survival, and overall survival were respectively 96.4%, 87.7%, 86.0%, and 94.7% for patients in the TPF arm patients and 90.3%, 91.9%, 85.2%, and 92.0% for patients in the TP arm. There were no differences in survival between the two arms. Multivariate analysis revealed the IC regimen was not an independent prognostic factor for any survival outcome. However, patients in the TP arm experienced fewer grade 3/4 toxicities. In sum, IC with docetaxel and cisplatin is associated with similar efficacy and less toxicity than the TPF regimen. Addition of fluorouracil to docetaxel plus cisplatin IC is therefore not recommended for patients with locoregionally advanced NPC. PMID- 29207634 TI - Treatment plan comparison between Tri-Co-60 magnetic-resonance image-guided radiation therapy and volumetric modulated arc therapy for prostate cancer. AB - To investigate the plan quality of tri-Co-60 intensity-modulated radiation therapy (IMRT) with magnetic-resonance image-guided radiation therapy compared with volumetric-modulated arc therapy (VMAT) for prostate cancer. Twenty patients with intermediate-risk prostate cancer, who received radical VMAT were selected. Additional tri-Co-60 IMRT plans were generated for each patient. Both primary and boost plans were generated with tri-Co-60 IMRT and VMAT techniques. The prescription doses of the primary and boost plans were 50.4 Gy and 30.6 Gy, respectively. The primary and boost planning target volumes (PTVs) of the tri-Co 60 IMRT were generated with 3 mm margins from the primary clinical target volume (CTV, prostate + seminal vesicle) and a boost CTV (prostate), respectively. VMAT had a primary planning target volume (primary CTV + 1 cm or 2 cm margins) and a boost PTV (boost CTV + 0.7 cm margins), respectively. For both tri-Co-60 IMRT and VMAT, all the primary and boost plans were generated that 95% of the target volumes would be covered by the 100% of the prescription doses. Sum plans were generated by summation of primary and boost plans. In sum plans, the average values of V70 Gy of the bladder of tri-Co-60 IMRT vs. VMAT were 4.0% +/- 3.1% vs. 10.9% +/- 6.7%, (p < 0.001). Average values of V70 Gy of the rectum of tri-Co-60 IMRT vs. VMAT were 5.2% +/- 1.8% vs. 19.1% +/- 4.0% (p < 0.001). The doses of tri Co-60 IMRT delivered to the bladder and rectum were smaller than those of VMAT while maintaining identical target coverage in both plans. PMID- 29207633 TI - CaMKII is involved in subcellular Ca2+ redistribution-induced endoplasmic reticulum stress leading to apoptosis in primary cultures of rat proximal tubular cells exposed to lead. AB - Lead (Pb) is a known nephrotoxic element. Recently we have proved that subcellular Ca2+ redistribution is involved in Pb-induced apoptosis in primary cultures of rat proximal tubular (rPT) cells, but the underlying mechanism remains to be elucidated. Firstly, data showed that Pb triggers endoplasmic reticulum (ER) stress response in rPT cells, as evidenced by the elevations of ER stress markers. Moreover, pharmacological modulation of Ca2+ mobilization in ER and cytoplasm with three chemicals (2-APB or TG or BAPTA-AM) can effectively increase or decrease the protein expression of ER stress markers in Pb-exposed rPT cells, demonstrating that Pb-induced ER stress is Ca2+-dependent. We found that Pb stimulates phosphorylation of calcium/calmodulin-dependent protein kinase II (CaMKII) to activate its activity. Meanwhile, inhibition of CaMKII with KN93 or KN62 attenuated Pb-activated caspase-12 and CCAAT/enhancer-binding protein homologous protein (CHOP) in rPT cells, demonstrating that CaMKII activation promoted ER stress in rPT cells. Likewise, Pb-induced apoptosis can be effectively inhibited by CaMKII inhibitor KN93 or KN62. Furthermore, co-treatment with KN93 or KN62 significantly reversed Pb-induced ER Ca2+ release and concomitant intracellular Ca2+ overload in rPT cells. In summary, these results expound the mechanisms involving in ER stress, Ca2+ dyshomeostasis and activated CaMKII, which all contribute to Pb-induced apoptosis. CaMKII acts as a critical mediator of ER stress and associated apoptosis via regulating intracellular Ca2+ mobilization from ER to cytoplasm. PMID- 29207635 TI - SOCS2 overexpression alleviates diabetic nephropathy in rats by inhibiting the TLR4/NF-kappaB pathway. AB - Suppressor of cytokine signaling 2 (SOCS2) was reported to be involved in the development of Diabetic Nephropathy (DN). However, its underlying mechanism remains undefined. Western blot was carried out to determine the expressions of SOCS2, Toll-like receptors 4 (TLR4) and nuclear factor kappa B (NF-kappaB) pathway-related proteins in DN patients, streptozotocin (STZ)-induced DN rats and high glucose (HG)-stimulated podocytes. The effects of SOCS2 overexpression on renal injury, the inflammatory cytokines production, renal pathological changes, apoptosis and the TLR4/NF-kappaB pathway in DN rats or HG-stimulated podocytes were investigated. TLR4 antagonist TAK-242 and NF-kappaB inhibitor PDTC were used to confirm the functional mechanism of SOCS2 overexpression in HG-stimulated podocytes. SOCS2 was down-regulated, while TLR4 and NF-kappaB were up-regulated in renal tissues of DN patients and DN rats. Ad-SOCS2 infection alleviated STZ induced renal injury and pathological changes and inhibited STZ-induced IL-6, IL 1beta and MCP-1 generation and activation of the TLR4/NF-kappaB pathway in DN rats. SOCS2 overexpression attenuated apoptosis, suppressed the inflammatory cytokines expression, and inactivated the TLR4/NF-kappaB pathway in HG-stimulated podocytes. Suppression of the TLR4/NF-kappaB pathway enhanced the inhibitory effect of SOCS2 overexpression on apoptosis and inflammatory cytokines expressions in HG-stimulated podocytes. SOCS2 overexpression alleviated the development of DN by inhibiting the TLR4/NF-kappaB pathway, contributing to developing new therapeutic strategies against DN. PMID- 29207636 TI - Characterization of urinary extracellular vesicle proteins in muscle-invasive bladder cancer. AB - The mechanisms of bladder cancer progression are unknown, and new treatments and biomarkers are needed. Patient urinary extracellular vesicles (EVs) derive in part from bladder cancer cells and contain a specific protein cargo which may provide information about the disease. We conducted a proteomics study comparing EVs from the muscle-invasive bladder cancer (MIBC) cell line TCCSUP to EVs from normal urothelial line SVHUC. GO term analysis showed that TCCSUP EVs are enriched in proteins associated with the cell membrane, extracellular matrix, and inflammation and angiogenesis signaling pathways. Proteins characteristic of cancer EVs were further screened at the mRNA level in bladder cancer cell lines. In Western blots, three of six proteins examined showed greater than fifteenfold enrichment in patient urinary EVs compared to healthy volunteers (n = 6). Finally, we performed immunohistochemical staining of bladder tissue microarrays for three proteins of interest. One of them, transaldolase (TALDO1), is a nearly ubiquitous enzyme and normally thought to reside in the cytoplasm. To our surprise, nuclei were stained for transaldolase in 94% of MIBC tissue samples (n = 51). While cytoplasmic transaldolase was found in 89-90% of both normal urothelium (n = 79) and non-muscle-invasive samples (n = 71), the rate falls to 39% in MIBC samples (P < 0.001), and negative cytoplasmic staining was correlated with worse cancer-specific survival in MIBC patients (P = 0.008). The differential EV proteomics strategy reported here successfully identified a number of proteins associated with bladder cancer and points the way to future investigation. PMID- 29207637 TI - Wheat germ agglutinin-induced paraptosis-like cell death and protective autophagy is mediated by autophagy-linked FYVE inhibition. AB - Wheat germ agglutinin (WGA) is a lectin that specifically binds cell surface glycoproteins and disrupts nuclear pore complex function through its interaction with POM121. Our data indicate WGA induces paraptosis-like cell death without caspase activation. We observed the main features of paraptosis, including cytoplasmic vacuolation, endoplasmic reticulum dilation and increased ER stress, and the unfolded protein response in WGA-treated cervical carcinoma cells. Conversion of microtubule-associated protein I light chain 3 (LC3-I) into LC3-II and punctuate formation suggestive of autophagy were observed in WGA-treated cells. WGA-induced autophagy antagonized paraptosis in HeLa and CaSKi cells, which expressed autophagy-linked FYVE (Alfy) protein, but not in SiHa cells that did not express Alfy. Alfy knockdown in HeLa cells induced paraptosis-like cell death. These data indicate that WGA-induced cell death occurs through paraptosis and that autophagy may exert a protective effect. WGA treatment and Alfy inhibition could be an effective therapeutic strategy for apoptosis-resistant cervical cancer cells. PMID- 29207638 TI - Jolkinolide B induces apoptosis of colorectal carcinoma through ROS-ER stress Ca2+-mitochondria dependent pathway. AB - Colorectal carcinoma (CRC) remains one of the leading causes of death in cancer related diseases. In this study, we aimed to investigate the anticancer effect of Jolkinolide B (JB), a bioactive diterpenoid component isolated from the dried roots of Euphorbia fischeriana Steud, on CRC cells and its underlying mechanisms. We found that JB suppressed the cell viability and colony formation of CRC cells, HT29 and SW620. Annexin V/PI assay revealed that JB induced apoptosis in CRC cells, which was further confirmed by the increased expression of cleaved caspase3 and cleaved-PARP. iTRAQ-based quantitative proteomics was performed to identify JB-regulated proteins in CRC cells. Gene Ontology (GO) analysis revealed that these JB-regulated proteins were mainly involved in ER stress response, which was evidenced by the expression of ER stress marker proteins, HSP90, Bip and PDI. Moreover, we found that JB provoked the generation of reactive oxygen species (ROS), and that inhibition of the ROS generation with N-acetyl L-cysteine could reverse the JB-induced apoptosis. Confocal microscopy and flow cytometry showed that JB treatment enhanced intracellular and mitochondrial Ca2+ level and JC-1 assay revealed a loss of mitochondrial membrane potential in CRC after JB treatment. The mitochondrial Ca2+ uptake and depolarization can be blocked by Ruthenium Red (RuRed), an inhibitor of mitochondrial Ca2+ uniporter. Taken together, we demonstrated that JB exerts its anticancer effect by ER stress-Ca2+ mitochondria signaling, suggesting the promising chemotherapeutic potential of JB for the treatment of CRC. PMID- 29207639 TI - Comparative efficacy of different chemotherapies for non-Hodgkin lymphoma: a network-meta analysis. AB - This network meta-analysis (NMA) was conducted to integrate different chemotherapeutic regimens for non-Hodgkin lymphoma (NHL) patients. Overall survival (OS) and complete remission (CR) were considered as main outcome indicators to evaluate the efficacy of NHL chemotherapies. OS and CR data were extracted from included studies and represented by hazard ratio and odds ratio separately. Network structure and forest plots were further included to visually present the relative efficacy among different regimens. A total of 14 qualified publications with 4,167 patients were included. In OS results, no significant difference was observed from the 1-year OS. For 2-year, 3-year and 5-year OS, patients treated by CNOP exhibited the least favorable results. Moreover, significant advantages of R-CHOP treatment over CHOP and VMP were recognized in view of 3-year OS. In respect of CR, R-HDS presented significantly better outcomes than CNOP and VMP, and no significant difference was identified when compared to CHOP in forest plot. ProMACE-CytaBOM and R-HDS possessed the compelling cumulative ranking probability in OS or CR, indicating their competitive performance in NHL treatment while R-CHOP and I-CHOP yielded desirable in terms of long-term survival and short-term survival, respectively. To conclude, ProMACE-CytaBOM, I-CHOP, R-HDS and R-CHOP were recommended to go through further evaluation to confirm their superiority in NHL treatment. CNOP and VMP were discouraged after comprehensively analyzing OS and CR from NMA results. PMID- 29207640 TI - Accurate quantification of 5-Methylcytosine, 5-Hydroxymethylcytosine, 5 Formylcytosine, and 5-Carboxylcytosine in genomic DNA from breast cancer by chemical derivatization coupled with ultra performance liquid chromatography- electrospray quadrupole time of flight mass spectrometry analysis. AB - The DNA demethylation pathway has been discovered to play a significant role in DNA epigenetics. This pathway removes the methyl group from cytosine, which is involved in the oxidation of 5-methylcytosine to 5-hydroxymethylcytosine (5-hmC) by ten-eleven translocation (TET) proteins. Then, 5-hmC can be iteratively oxidized to generate 5-formylcytosine (5-foC) and 5-carboxylcytosine (5-caC). However, 5-hmC, 5-foC, and 5-caC are hardly detected due to their low content. In this study, we have developed a LC-HRMS method coupled with derivatization to accurately and simultaneously quantify 5-mC levels, along with its oxidation products in genomic DNA. Derivatization was carried out using 4-dimethylamino benzoic anhydride, which has been shown to improve separation and enhance the detection sensitivity. Finally, we successfully applied this method towards the quantification of 5-mC, 5-hmC, 5-foC, and 5-caC in genomic DNA isolated from both human breast cancer tissue and tumor-adjacent normal tissue. We show that 5-foC and 5-caC are increased in tumor tissue. In addition, the levels of 5-mC, 5-hmC, 5-foC, and 5-caC measured in tumor tissue versus tumor-adjacent tissue were found to be distinct among different classifications. This suggests that cytosine modifiers could be used as potential biomarkers for determining the stage of development of breast cancer, as well as prognosis. PMID- 29207641 TI - A small molecule, (E)-2-methoxy-4-(3-(4-methoxyphenyl) prop-1-en-1-yl) phenol suppresses tumor growth via inhibition of IkappaB kinase beta in colorectal cancer in vivo and in vitro. AB - Here we report that a novel synthesized compound (E)-2-methoxy-4-(3-(4 methoxyphenyl)prop-1-en-1-yl)phenol (MMPP) which exhibits better stability, drug likeness and anti-cancer effect than (E)-2,4-bis(p-hydroxyphenyl)-2-butenal (BHPB) that we previously reported. Of all newly synthesized BHPB analogues, MMPP showed the most significant inhibitory effect on colon cancer cell growth. Thus, we evaluated the anti-cancer effects and possible mechanisms of MMPP in vitro and in vivo. MMPP treatment (0-15 MUg/mL) induced apoptotic cell death and enhanced the expression of cleaved caspase-3 and cleaved caspase-8 in a concentration dependent manner. Notably, the expression of death receptor (DR)5 and DR6 was significantly increased by MMPP treatment. Moreover, DR5 siRNA or DR6 siRNA transfection partially abolished MMPP-induced cell growth inhibition. Pull down assay and docking experiment showed that MMPP bound directly to IkappaB kinase beta (IKKbeta). It was noteworthy that IKKbeta mutant (C99S) partially abolished MMPP-induced cell growth inhibition and enhanced expression of DR5 and DR6. In addition, MMPP enhanced TRAIL-induced apoptosis, cell growth inhibition and expression of DRs. In xenograft mice model, MMPP (2.5-5 mg/kg) suppressed tumor growth in a dose dependent manner. Immunohistochemistry analysis showed that the expression levels of DR5 and DR6 and active caspase-3 were increased while the expression levels of PCNA and p-IKKbeta were decreased in a dose dependent manner. Thus, MMPP may be a promising anti-cancer agent in colon cancer treatment. PMID- 29207642 TI - Crosstalk in competing endogenous RNA network reveals the complex molecular mechanism underlying lung cancer. AB - We investigated the transcriptional mechanism underlying lung cancer development. RNA sequencing analysis was performed on blood samples from lung cancer cases and healthy controls. Differentially expressed microRNAs (miRNAs), circular RNAs (circRNAs), mRNAs (genes), and long non-coding RNAs (lncRNA) were identified, followed by pathway enrichment analysis. Based on miRNA target interactions, a competing endogenous network was established and significant nodes were screened. Differentially expressed transcriptional factors were retrieved from the TRRUST database and the transcriptional factor regulatory network was constructed. The expression of 59 miRNAs, 18,306 genes,232 lncRNAs, and 292 circRNAs were greatly altered in patients with lung cancer. miRNAs were closely associated with cancer related pathways, such as pathways in cancer, colorectal cancer, and transcriptional misregulation in cancer. Two novel pathways, olfactory transduction and neuroactive ligand-receptor interactions, were significantly enriched by differentially expressed genes. The competing endogenous RNA network revealed 5 hub miRNAs. Hsa-miR-582-3p and hsa-miR-582-5p were greatly enriched in the Wnt signaling pathway. Hsa-miR-665 was closely related with the MAPK signaling pathway. Hsa-miR-582-3p and hsa-miR-582-5p were also present in the TF regulatory network. Transcriptional factors of WT1 (wilms tumor 1) and ETV1 (ETS variant 1) were regulated by hsa-miR-657 and hsa-miR-582-5p, respectively, and controlled androgen receptor gene expression. miR-582-5p, miRNA-582-3p, and miR 657 may play critical regulatory roles in lung tumor development. Our work may explore new mechanism of lung cancer and aid the development of novel therapy. PMID- 29207643 TI - LncRNA-UCA1 enhances MMP-13 expression by inhibiting miR-204-5p in human chondrocytes. AB - Osteoarthritis (OA) is a common degenerative disease characterized by degeneration of articular cartilage. Increasing studies showed that long noncoding RNAs (lncRNAs) play important roles in the cartilage damage. However, little is known about the role of UCA1 in the osteoarthritis. The expression level of UCA1 was upregulated in the OA cartilage. Overexpression of UCA1 suppressed the miR-204-5p expression in the chondrocytes. The expression of miR 204-5p was downregulated in the OA cartilage. Moreover, the expression of miR-204 5p was negatively correlated with the UCA1 expression in the OA cartilage. Elevated expression of UCA1 promoted the chondrocytes cell proliferation and overexpression of miR-204-5p suppressed chondrocytes cell proliferation. In addition, overexpression of UCA1 decreased the expression of the type II collagen and type IV collagen expression in the chondrocytes. Elevated expression of miR 204-5p promoted the type II collagen and type IV collagen expression in the chondrocytes. We idetified MMP-13 was a direct target gene of miR-204-5p in the chondrocytes. Overexpression of UCA1 enhanced the MMP-13 expression in the chondrocytes. Elevated expression of UCA1 regulated the chondrocytes cell proliferation and collagen expression through inhibiting the miR-204-5p expression.These results suggested that UCA1 played as an important regulator of survival and matrix synthesis of chondrocytes partly through suppressing the miR 204-5p expression. PMID- 29207644 TI - Protection by simvastatin on hyperglycemia-induced endothelial dysfunction through inhibiting NLRP3 inflammasomes. AB - Recent studies have demonstrated that NLRP3 inflammasome complex acts as pivotal elements to initiate inflammatory responses and plays an important role in the dysfunction of cardiovascular complications. Meanwhile, simvastatin prevents vascular endothelial dysfunction from inflammasome invasion contributing to reduce cardiovascular risk. However, Whether or not the simvastatin improves vascular endothelial barrier function through inhibiting the activation of NLRP3 inflammasome pathway remains unknown. Here, we explored the role and mechanisms of simvastatin in the activation of NLRP3 inflammasome which are involved in vascular endothelial hyperpermeability causing by the disruption of tight junction protein ZO-1 and adherens junction protein VE-Cadherin, an early initiation of cardiovascular complication. Our results found that high glucose significantly induced the formation and activation of NLRP3 inflammasome through NADPH oxidase-dependent reactive oxygen species (ROS) formation, associated with vascular endothelial hyperpermeability causing by ZO-1 and VE-Cadherin disruption in the rat aortic endothelial cells (RAECs). Simvastatin treatment remarkably abolished vascular endothelial hyperpermeability and enhanced the protein expression of ZO-1 and VE-Cadherin through NLRP3 inflammasome. Mechanistically, the inhibitory role of simvastatin endothelial hyperpermeability is attributed to the decreased release of cytoplasmic high mobility group box protein-1 (HMGB1) derived from endothelial NLRP3 inflammasome activation. We further confirm the protective role of simvastatin on vascular leakage in the heart of diabetic rats injected with Evans blue dye, which was associated with HMGB1 release in the serum. Collectively, the mechanism of simvastatin treatment alleviating vascular endothelial permeability dysfunction may be through inhibiting the NLRP3 inflammasome-dependent HMGB1 release in RAECs. PMID- 29207645 TI - Nitidine chloride acts as an apoptosis inducer in human oral cancer cells and a nude mouse xenograft model via inhibition of STAT3. AB - Nitidine chloride (NC) is a natural alkaloid compound derived from the plant Zanthoxylum nitidum and is known for its therapeutic anticancer potential. In this study, we investigated the effects of NC on growth and signaling pathways in human oral cancer cell lines and a tumor xenograft model. The apoptotic effects and related molecular targets of NC on human oral cancer were investigated using trypan blue exclusion assay, DAPI staining, Live/Dead assay, Western blotting, Immunohistochemistry/Immunofluorescence and a nude mouse tumor xenograft. NC decreased cell viability in both HSC3 and HSC4 cell lines; further analysis demonstrated that cell viability was reduced via apoptosis. STAT3 was hyper phosphorylated in human oral squamous cell carcinoma (OSCC) compared with normal oral mucosa (NOM) and dephosphorylation of STAT3 by the potent STAT3 inhibitor, cryptotanshinone or NC decreased cell viability and induced apoptosis. NC also suppressed cell viability and induced apoptosis accompanied by dephosphorylating STAT3 in four other oral cancer cell lines. In a tumor xenograft model bearing HSC3 cell tumors, NC suppressed tumor growth and induced apoptosis by regulating STAT3 signaling without liver or kidney toxicity. Our findings suggest that NC is a promising chemotherapeutic candidate against human oral cancer. PMID- 29207646 TI - TGFbeta1 induces hypertrophic change and expression of angiogenic factors in human chondrocytes. AB - The transforming growth factor beta1 (TGFbeta1) plays an important role in cartilage development. However, whether TGFbeta1 stimulates chondrocyte proliferation and cartilage regeneration in osteoarthritis (OA) remains elusive, especially in the context of different treatment and tissue environments. In the present study, we investigated the role of TGFbeta1 in human chondrocyte culture in vitro, focusing on the morphological change of chondrocytes and the expression of angiogenic factors upon TGFbeta1 stimulation. We found increased expression of biomarkers indicating chondrocyte hypertrophy and the chondrocytes aggregated to form networks when they were treated with TGFbeta1. DNA microarray analysis revealed significantly increased expression of genes related to blood vessel formation in TGFbeta1 treatment group compared to control group. Matrigel assay further demonstrated that chondrocytes had the potential to form network-like structure. These results suggested that TGFbeta1 induces the hypertrophic change of chondrocytes culture in vitro and induce expression of angiogenic biomarkers. Therefore, application of TGFbeta1 for chondrocyte culture in practice should be considered prudentially and targeting TGFbeta1 or relevant receptors to block the signaling pathway might be a strategy to prevent or alleviate progression of osteoarthritis. PMID- 29207647 TI - Response to transarterial chemoembolization may serve as selection criteria for hepatocellular carcinoma liver transplantation. AB - Aims: This study sought to extend the inclusion criteria for hepatocellular carcinoma (HCC) liver transplantation (LT), particularly addressing the safety and effectiveness of pre-LT transarterial chemoembolization (TACE). Materials and Methods: Our study included 115 patients with HCC who underwent LT after TACE. The response measured after each TACE session was based on the mRECIST criteria: complete response (CR), partial response (PR), stable disease (SD) or progressive disease (PD). We defined CR and PR patients as responders (64 cases) and SD and PD patients as non-responders (51 cases). Results: The majority of responders could be identified after the first or second TACE sessions (57 cases, 89.1%). Overall survival rates at 1, 3 and 5 years were 95.3%, 89.1% and 75.0%, respectively, in the responder group, and these rates were much higher than those in the non-responder group (86.3%, 66.7% and 54.9%, P=0.016). In addition, the tumor-free survival rate in the responder group was also higher than in the non responder group (P=0.009). In the responder group, a statistically improved long term outcome was observed in patients whose HCC did not satisfy the Milan criteria (P<0.05). Univariate and multivariate Cox analyses showed that achieving CR or PR was the best predictor of survival and tumor-free survival following TACE. Conclusion: The response to TACE, particularly following the first two sessions, primarily and robustly predicted overall and tumor-free survival in HCC patients, particularly those whose HCC did not satisfy the Milan criteria. PMID- 29207648 TI - CASC15 gene polymorphisms reduce neuroblastoma risk in Chinese children. AB - In this case-control study, we analyzed the association between three single nucleotide polymorphisms (SNPs) in the CASC15 gene (rs6939340 A>G, rs4712653 T>C, and rs9295536 C>A) and neuroblastoma susceptibility in the Guangdong and Henan populations of China. We genotyped and analyzed 118 cases and 281 control subjects from Henan province and combined them with previously published data from the Guangdong population. In the Henan population, only the rs6939340 G>A variant homozygote AA was associated with decreased neuroblastoma risk [AA vs. GG: adjusted odds ratio (OR) = 0.47, 95% confidence interval (CI) = 0.23-0.98; P=0.045]. All three polymorphisms, individually and in combination, were associated with decreased neuroblastoma susceptibility in the Guangdong population. Moreover, subjects carrying 1-3 of these protective genotypes had lower neuroblastoma susceptibility than non-carriers (adjusted OR=0.65, 95% CI=0.51-0.84, P=0.0007). These results show that all three genetic variants of CASC15 identified in a genome-wide association study (GWAS) decrease neuroblastoma risk in two distinct Chinese populations. PMID- 29207649 TI - Sulodexide recovers endothelial function through reconstructing glycocalyx in the balloon-injury rat carotid artery model. AB - Disruption of endothelial cell function is a principle event in cardiovascular disease. Accordingly, therapies have mostly focused on repairing the endothelium, but little attention has been paid to the reconstruction of glycocalyx, which covers the endothelium and protects the function of endothelial cells. Sulodexide has a similar glycosaminoglycan structure to glycocalyx, so it is assumed to be effective in remodeling the glycocalyx following damage. We assessed the effect of sulodexide on glycocalyx remodeling and endothelial function in the balloon injury rat carotid artery model. Electron micrographs showed that sulodexide (2mg/kg, administered by intraperitoneal injection for seven days after injury) could reconstruct the endothelial glycocalyx and recover the clear cytoarchitecture. With regard to endothelial function, sulodexide increased endothelial nitric oxide synthase level, attenuated endothelial hyperplasia, and inhibited platelet aggregation that benefitted from glycocalyx reforming. Sulodexide decreased the glycocalyx damage related expression of CD31 and intercellular cell adhesion molecule-1 in endothelium, accompanying by the downregulation of leukocyte counts and C-reactive protein levels. The levels of the atherosclerosis-related factors, osteopontin and vascular cell adhesion molecule-1, which increased in activated endothelial cells lacking glycocalyx, were normalized by sulodexide. Along with the benefit of glycocalyx reconstruction, sulodexide reversed the dyslipidemia. Moreover, sulodexide prevented CD68-positive inflammatory cells infiltration into the vascular wall, presumably as a result of glycocalyx reconstruction. In summary, sulodexide treatment reconstructed glycocalyx which therefore preserved endothelial function and attenuated the expression of inflammatory factors, and decreased the blood coagulation and lipid metabolism, all of which are important for vascular healing. PMID- 29207650 TI - Upregulation of miR-181a impairs hepatic glucose and lipid homeostasis. AB - The contributions of altered post-transcriptional gene silencing to the development of metabolic disorders remain poorly understood thus far. The objective of this study was to evaluate the roles of miR-181a in the regulation of hepatic glucose and lipid metabolism. MiR-181a is abundantly expressed in the liver, and we found that blood and hepatic miR-181a levels were significantly increased in patients and dairy cows with non-alcoholic fatty liver disease, as well as in high-fat diet and ob/ob mice. We determined that sirtuin1 is a target of miR-181a. Moreover, we found that hepatic sirtuin1 and peroxisome proliferator activated receptor-gamma coactivator-1alpha expression levels are downregulated, and acetylated peroxisome proliferator-activated receptor-gamma coactivator 1alpha expression levels are upregulated in patients and dairy cows with non alcoholic fatty liver disease, as well as in high-fat diet and ob/ob mice. MiR 181a overexpression inhibits the sirtuin1-peroxisome proliferator-activated receptor-gamma coactivator-1alpha pathway, reduces insulin sensitivity, and increases gluconeogenesis and lipid synthesis in dairy cow hepatocytes and HepG2 cells. Conversely, silencing of miR-181a over-activates the sirtuin1-peroxisome proliferator-activated receptor-gamma coactivator-1alpha pathway, increases insulin sensitivity and glycogen content, and decreases gluconeogenesis and lipid synthesis in hepatocytes, even under non-esterified fatty acids treatment conditions. Furthermore, miR-181a overexpression or sirtuin1 knockdown in mice increases lipid accumulation and decreases insulin sensitivity and glycogen content in the liver. Taken together, these findings indicate that increased hepatic miR-181a impairs glucose and lipid homeostasis by silencing sirtuin1 in non-alcoholic fatty liver disease. PMID- 29207651 TI - Matrix metalloproteinase-1 expression in breast carcinoma: a marker for unfavorable prognosis. AB - Matrix metalloproteinase-1 (MMP1) is a member of the matrix metalloproteinases family, and its aberrant expression is implicated in tumor invasion and metastasis. However, the relationship between MMP1 abnormal expression and clinical outcome in breast cancer patients remains to be elucidated. To address this issue, we conducted immunohistochemistry in breast cancer and adjacent normal tissues, and mined the transcriptional and survival data of MMP1 in breast cancer patients through Oncomine, Kaplan-Meier Plotter, bc-GenExMiner, COSMIC and cBioPortal databases. First, we found that both protein and mRNA levels of MMP1 expression were significantly higher in breast cancer tissues. Second, high MMP1 mRNA expression correlated with worse overall survival among grade II (HR = 1.75; p = 0.011), nodal-negative (HR = 2.00; p = 0.00028), ER-positive (HR = 1.61; p = 0.00027) and HER2-negative (HR = 3.17; p = 0.029) patients with breast cancer by using Kaplan-Meier plotter database. Third, the overexpression of MMP1 was associated with unfavorable survival results including overall survival (HR = 1.6; p = 1.6e-05), relapse free survival (HR = 1.78; p < 1e-16) and distant metastasis free survival (HR = 1.65; p = 5.3e-05) in patients with breast cancer. Taken together, the expression status of MMP1 is a significant prognostic indicator and a potential drug target for breast cancer. PMID- 29207652 TI - IQCA-TAVV: To explore the effect of P-selectin, GPIIb/IIIa, IL-2, IL-6 and IL-8 on deep venous thrombosis. AB - Deep vein thrombosis (DVT) associates with considerable morbidity, functional disability and mortality. Due to the lack of suitable inhibitor the correlation of various factors in DVT onset remains unknown. In this context we analyzed the structure of anti-platelet aggregation agent, P-selectin down-regulator, GPIIb/IIIa down-regulator and anti-inflammatory agent, thereby designed N-(3S 1,2,3,4-tetrahydroisoquinoline-3-carbonyl)- Thr-Ala-Arg-Gly-Asp(Val)-Val (IQCA TAVV) as an inhibitor of DVT to receive evaluations. The docking predicted that IQCA-TAVV can target P-selectin and GPIIb/IIIa. The UV showed that IQCA-TAVV can act on P-selectin and GPIIb/IIIa. ELISA indicated that IQCA-TAVV concentration dependently inhibited activated platelets to express P-selectin and GPIIb/IIIa, and the minimal effective concentration was 1 nM. IC50 of IQCA-TAVV against platelet aggregation induced by arachidonic acid, adenosine diphosphate and platelet activating factor fell within a range of 0.13 nM to 0.30 nM. In vivo IQCA-TAVV dose-dependently inhibited venous thrombosis and the minimal effective dose was 1 nmol/kg. On ear edema model the anti-inflammation activity of 10 nmol/kg IQCA-TAVV equaled that of 1.1mmol/kg aspirin. The concentration of IL-2, IL-6 and IL-8 in the serum of the ear edema mice were also significantly decreased by 10 nmol/kg IQCA-TAVV. Even at 1 MUmol/kg of dose IQCA-TAVV still did not injure the kidney, the liver, and the nerves of healthy mice. Thereby IQCA TAVV depicts a relationship of three levels (inhibiting platelet activation, targeting externalized membrane receptor, decreasing serum inflammatory factor) for the down-regulation of P-selectin, GPIIb/IIIa, IL-2, IL-6 and IL-8 in DVT. PMID- 29207653 TI - Melatonin enhances sorafenib actions in human hepatocarcinoma cells by inhibiting mTORC1/p70S6K/HIF-1alpha and hypoxia-mediated mitophagy. AB - The antiangiogenic effects of sustained sorafenib treatment in hepatocellular carcinoma (HCC) lead to the occurrence of hypoxia-mediated drug resistance resulting in low therapy efficiency and negative outcomes. Combined treatments with coadjuvant compounds to target the hypoxia-inducible factor-1alpha (HIF 1alpha) represent a promising therapeutic approach through which sorafenib efficiency may be improved. Melatonin is a well-documented oncostatic agent against different cancer types. Here, we evaluated whether melatonin could enhance sorafenib cytotoxicity and overcome the hypoxia-mediated resistance mechanisms in HCC. The pharmacological melatonin concentration (2 mM) potentiated the oncostatic effects of sorafenib (5 MUM) on Hep3B cells even under hypoxia. Melatonin downregulated the HIF-1alpha protein synthesis through the inhibition of the mammalian target of rapamycin complex 1 (mTORC1)/ribosomal protein S6 kinase beta-1 (p70S6K)/ribosomal protein S6 (RP-S6) pathway, although the indole enhanced Akt phosphorylation by the mTORC1/C2 negative feedback. Furthermore, melatonin and sorafenib coadministration reduced the HIF-1alpha-mitophagy targets expression, impaired autophagosome formation and subsequent mitochondria and lysosomes colocalization. Together, our results indicate that melatonin improves the Hep3B sensitivity to sorafenib, preventing HIF-1alpha synthesis to block the cytoprotective mitophagy induced by the hypoxic microenvironment, an important element of the multifactorial mechanisms responsible for the chemotherapy failure. PMID- 29207654 TI - Genetic variations in LIGHT are associated with susceptibility to ankylosing spondylitis in a Chinese Han population. AB - Ankylosing spondylitis (AS) is a common chronic autoimmune disease characterized by inflammation of axial skeleton and has strong genetic susceptibility. Single nucleotide polymorphisms (SNPs) have been found playing an important role in the development of AS. This study intends to explore whether the susceptibility to AS is associated with rs2171513 C>T, rs1077667 G>A in LIGHT (lymphotoxin, expressed on T lymphocytes) and rs12609318 A>G in B and T lymphocyte attenuator (BTLA) in a Chinese Han population. We studied a total of 497 AS patients and 387 healthy controls in the current research. Clinical characteristics were recorded when they were recruited. Single nucleotide polymorphisms (SNPs) were genotyped by polymerase chain reaction (PCR) and high-resolution melting methods (HRM). Statistically significant difference was found in both co-dominant model (GG vs. GA vs. AA) (p = 4.00E-06) and alleles (p = 4.59E-08) of rs1077667 between patients and controls. There was also a significant difference in alleles of rs2171513 (p = 0.037) between patients and controls. We found rs1077667 in LIGHT and rs2171513 in BTLA with susceptibility to AS, while 12609318 in LIGHT associate with susceptibility to AS. Our results showed that LIGHT might be involved in pathogenesis of AS. PMID- 29207655 TI - Egr-1 regulates RTA transcription through a cooperative involvement of transcriptional regulators. AB - Kaposi's sarcoma associated herpesvirus (KSHV) regulates the host cellular environment to establish life-long persistent infection by manipulating cellular signaling pathways, with approximately 1- 5% of cells undergoing lytic reactivation during the course of infection. Egr-1 (Early Growth Response Factor 1) is one such cellular transcription factor, which gets phosphorylated during the lytic phase of viral life cycle to perpetrate its function. This study demonstrates the mechanism of how Egr-1 mediates transcription of the immediate early gene, RTA (Replication and transcription activator), which is the lytic switch gene of KSHV. Egr-1 depleted KSHV infected cells exhibited reduced expression of RTA. Also, an increase in Egr-1 phosphorylation led to a higher virion production, which was suppressed in the presence of p38 and Raf inhibitors. Reporter assays showed that coexpression of Egr-1 and CBP (CREB binding protein) enhances RTA promoter activity as compared to the expression of either Egr-1 or CBP alone. Binding of Egr-1 and CBP at RTA promoter was analyzed by chromatin immunoprecipitation assay (ChIP), which showed an enhanced accumulation during viral reactivation. Mutation in Egr-1 binding site of the RTA promoter eliminated Egr-1 response on promoter activation. Furthermore, de novo infection of THP-1 (monocytic) and HUVECs (endothelial) cells showed an upregulation of Egr-1 phosphorylation, whereas depletion of Egr-1 reduced the mRNA levels of RTA during primary infection. Together, these results demonstrate a cooperative role of Egr-1 and CBP in mediating RTA transcription, which significantly improves our understanding of the involvement of cellular factors controlling RTA transcription in KSHV pathogenesis. PMID- 29207656 TI - CCR6 is required for ligand-induced CatSper activation in human sperm. AB - CatSper channel has been considered the principal sperm Ca2+ channel responsible for the cytosolic Ca2+ elevation required for various sperm functions necessary for fertilization [1-4]. However, the mechanism underlying the activation of CatSper channel by various physiological ligands remain incompletely understood. We have recently demonstrated the expression of C-C chemokine receptor 6 (CCR6) in sperm and Ca2+ influx upon binding of human beta-defensin 1 (DEFB1) to CCR6, which is important for sperm motility [5]. In the present study, we have demonstrated that CCR6 receptor and CatSper channel are both required for the Ca2+ entry/current induced by physiological ligands DEFB1, chemokine (C-C motif) ligand 20 (CCL20) and progesterone in human sperm. CCR6 is co-localized and interacts with CatSper in human sperm. Ca2+ influx mediated by CCR6 and CatSper is required for essential sperm functions, including motility, hyperactivation and acrosome reaction, which are impaired in infertile sperm showing reduced levels of CCR6 and CatSper. The present finding suggests a critical role of CCR6 receptor in mediating ligand-induced, CatSper-dependent Ca2+ influx required for various sperm functions and thus male fertility. PMID- 29207657 TI - Discovery of novel frizzled-7 inhibitors by targeting the receptor's transmembrane domain. AB - Frizzled (Fzd) proteins are seven transmembrane receptors that belong to a novel and separated family of G-protein-coupled receptors (GPCRs). The Fzd receptors can respond to Wnt proteins to activate the canonical beta-catenin pathway which is important for both initiation and progression of cancers. Disruption of the Wnt/beta-catenin signal thus represents an opportunity for rational cancer prevention and therapy. Of the 10 members of the Fzd family, Fzd7 is the most important member involved in cancer development and progression. In the present studies, we applied structure-based virtual screening targeting the transmembrane domain (TMD) of Fzd7 to select compounds that could potentially bind to the Fzd7 TMD and block the Wnt/Fzd7 signaling and further evaluated them in biological assays. Six small molecule compounds were confirmed as Fzd7 inhibitors. The best hit, SRI37892, significantly blocked the Wnt/Fzd7 signaling with IC50 values in the sub-micromolar range and inhibited cancer cell proliferation with IC50 values around 2 MUM. Our results provide the first proof of concept of targeting Fzd-TMD for the development of Wnt/Fzd modulators. The identified small molecular Fzd7 inhibitors can serve as a useful tool for studying the regulation mechanism(s) of Wnt/Fzd7 signaling as well as a starting point for the development of cancer therapeutic agents. PMID- 29207658 TI - Overexpression of RAD51B predicts a preferable prognosis for non-small cell lung cancer patients. AB - Lung cancer is the leading cause of cancer-related death. The majority of patients are diagnosed at an incurable advanced stage with poor prognosis. A recent study associated the methylation of homologous recombination genes with expression of immune checkpoints in lung squamous cell carcinoma. However, the correlation between them remains unclear. In our study, we propose that RAD51B, a repair gene in the homologous recombination process, which is noticed to be a key player in the maintenance of chromosome integrity and in sensing DNA damage, can act as an independent factor affecting the prognosis of non-small-cell lung cancer (NSCLC). Univariate analysis showed that overexpression of RAD51B is statistically significant correlated with better prognosis (P=0.013). Further, the multivariate Cox regression analysis showed that the morbidity of patients with high expression of RAD51B was decreased by 26% compared to those with low expression (HR=0.74, 95%CI: 0.59-0.93), especially for the patients with squamous cell carcinoma (HR=0.68, 95%CI: 0.51-0.90). In conclusion, RAD51B in mRNA level can be an important indicator to decide the prognosis of NSCLC and its overexpression predicts a preferable prognosis for NSCLC. Our results serve as a foundation for the investigation of the role of RAD51B in NSCLC, which may lead to potential therapeutic innovations. PMID- 29207659 TI - 2-(3, 4-dihydroxybenzylidene)malononitrile as a novel anti-melanogenic compound. AB - Tyrosinase is a key player in ultraviolet-induced melanogenesis. Because excessive melanin accumulation in the skin can induce hyperpigmentation, the development of tyrosinase inhibitors has attracted attention in cosmetic-related fields. However, side effects including toxicity and low selectivity have limited the use of many tyrosinase inhibitors in cosmetics. We synthesized 12 novel 2 (substituted benzylidene)malononitrile derivatives and investigated their anti melanogenic activities. Of these 12 compounds, 2-(3, 4-dihydroxy benzylidene)malononitrile (BMN11) exhibited the strongest inhibitory activity against tyrosinase (IC50 = 17.05 MUM). In parallel with this, BMN11 treatment notably decreased alpha-melanocyte-stimulating hormone-induced melanin accumulation in B16F10, cells without toxicity and also decreased melanin accumulation in a human skin model. As a mechanism underlying the BMN11-mediated anti-melanogenic effect, docking simulation showed that BMN11 can directly bind to tyrosinase by forming two hydrogen bonds with GLY281 and ASN260 residues, and via three hydrophobic interactions with VAL283, PHE264, and ALA286 residues in the tyrosinase binding pocket, and this likely contributes to its inhibitory effect on tyrosinase. Consistently, Lineweaver-Burk and Cornish-Bowden plots showed that BMN11 is a competitive inhibitor of tyrosinase. We concluded that BMN11 may be a novel tyrosinase inhibitor that could be used in cosmetics. PMID- 29207660 TI - Genetic polymorphisms of ATG5 predict survival and recurrence in patients with early-stage esophageal squamous cell carcinoma. AB - Esophageal squamous cell carcinoma (ESCC) is a deadly disease with high risk of tumor recurrence even among patients with an early pathologic stage of tumor. In the current study, we investigate the association between 20 SNPs of the ATG5 gene and prognosis of patients with early-stage ESCC. A total of 305 patients diagnosed with early-stage ESCC were enrolled in the study and randomly assigned to a training set (n=93) or replication set (n=212). The genotypes of candidate SNPs (single nucleotide polymorphisms) within ATG5 were analyzed and correlated with the prognosis of ESCC patients. We repeatedly demonstrated that 3 SNPs in ATG5, rs1322178, rs3804329, and rs671116, were significantly correlated with the prognosis of patients with early-stage ESCC (HR[95 % CI]=2.01[1.19-3.40], p=0.009 for ATG5: rs1322178; HR[95 % CI]=1.88 [1.08-3.26], p=0.025 for ATG5:rs3804329; HR[95 % CI]=1.73[1.24-2.42], p=0.001 for ATG5:rs671116, in combined group). Both rs1322178 and rs3804329 can predict early distant metastasis of patients. Furthermore, increased expression of ATG5 was observed in ESCC tumor tissue as compared to adjacent normal tissue. Moreover, higher levels of ATG5 expression in both normal and tumor tissues exhibited a trend to correlate with poor prognosis of patients. However, the expression of ATG5 did not correlate with these 3 relevant prognostic SNPs. We concluded that hereditary genetic polymorphisms and gene expression of ATG5 can serve as prognostic predictors of patients with early stage ESCC. PMID- 29207661 TI - Immunization with recombinant rabies virus expressing Interleukin-18 exhibits enhanced immunogenicity and protection in mice. AB - Several studies have shown that interleukin-18 (IL-18) plays an important role in both innate and adaptive immune responses. In this study, we investigated the pathogenicity and immunogenicity of recombinant rabies virus expressing IL-18 (rHEP-IL18). Experimental results showed that Institute of Cancer Research (ICR) mice that received a single intramuscular immunization with rHEP-IL18 elicited the highest titers of serum neutralizing antibodies and the strongest cell mediated immune responses to prevent the development of rabies disease, compared with immunization with the parent virus HEP-Flury. Mice inoculated with rHEP-IL18 developed significantly higher IFN-gamma responses, increased percentages of CD4+ and CD8+ T-lymphocytes compared to HEP-Flury. Flow cytometry results show that rHEP-IL18 recruited more activated T- and B-cells in lymph nodes or peripheral blood, which is beneficial for virus clearance in the early stages of infection. A higher percentage of mice immunized with rHEP-IL18 survived wild-type rabies virus (RABV) challenge, compared to HEP-Flury mice. Our results show that rHEP IL18 is promising as a novel vaccine for RABV prevention and control. PMID- 29207662 TI - Tumor-associated macrophages promote neuroblastoma via STAT3 phosphorylation and up-regulation of c-MYC. AB - Tumor-associated macrophages (TAMs) are strongly associated with poor survival in neuroblastomas that lack MYCN amplification. To study TAM action in neuroblastomas, we used a novel murine model of spontaneous neuroblastoma lacking MYCN amplification, and observed recruitment and polarization of TAMs, which in turn enhanced neuroblastoma proliferation and growth. In both murine and human neuroblastoma cells, we found that TAMs increased STAT3 activation in neuroblastoma cells and transcriptionally up-regulated the MYC oncogene. Analysis of human neuroblastoma tumor specimens revealed that MYC up-regulation correlates with markers of TAM infiltration. In an IL6ko neuroblastoma model, the absence of IL-6 protein had no effect on tumor development and prevented neither STAT3 activation nor MYC up-regulation. In contrast, inhibition of JAK-STAT activation using AZD1480 or the clinically admissible inhibitor ruxolitinib significantly reduced TAM-mediated growth of neuroblastomas implanted subcutaneously in NOD scid gamma mice. Our results point to a unique mechanism in which TAMs promote tumor cells that lack amplification of an oncogene common to the malignancy by up regulating transcriptional expression of a distinct oncogene from the same gene family, and underscore the role of IL-6-independent activation of STAT3 in this mechanism. Amplification of MYCN or constitutive up-regulation of MYC protein is observed in approximately half of high-risk tumors; our findings indicate a novel role of TAMs as inducers of MYC expression in neuroblastomas lacking independent oncogene activation. PMID- 29207663 TI - MicroRNA-218 inhibits proliferation and invasion in ovarian cancer by targeting Runx2. AB - MicroRNA-218 (miR-218) has been implicated in the development and progression of multiple cancers. We investigated the role of miR-218 in ovarian cancer progression. We found that miR-218 expression levels were lower in ovarian cancer tissues and cell lines than in adjacent normal tissues or a normal ovarian cell line.miR-218 levels associated with International Federation of Gynecology and Obstetrics (FIGO) stage and lymph node metastasis. Exogenous expression of miR 218 inhibited cell proliferation, colony formation, migration, and invasion in vitro and suppressed tumor growth in a tumor-bearing nude mouse model. Runt related transcription factor 2 (RUNX2) was identified as a direct functional target of miR-218, and its expression was inversely correlated with miR-218 expression in ovarian cancer tissues. RUNX2 overexpression rescued the suppressive effect of miR-218 on ovarian cancer cell proliferation, colony formation, migration, and invasion. These findings highlight an important role played bymiR-218 in the regulation of cancer growth and metastasis, in part by repressing RUNX2, and revealed the potential of miR-218 as a new therapeutic target inovarian cancer. PMID- 29207664 TI - Shikonin protects against D-Galactosamine and lipopolysaccharide-induced acute hepatic injury by inhibiting TLR4 signaling pathway. AB - Shikonin, a naphthoquinone isolated from the root of medical herb Lithospermum erythrorhizon, has been reported to have anti-inflammatory effect. However, there is no related research for the treatment of shikonin on hepaic injury. The purpose of this study was to investigate the effects of shikonin on D Galactosamine and Lipopolysaccharide-induced hepatic injury in mice. Male BALB/c mice were pretreated with shikonin 1 h before LPS/D-GalN treatment. The pathological changes of hepatic injury were detected by H&E staining. The levels of TNF-alpha and IL-1beta in hepatic tissues were detected by ELISA. The levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were also measured in this study. In addition, the expression of TLR4 and NF-kappaB were determined by western blot analysis. These results suggest that shikonin effectively prevents LPS/D-GalN-induced liver injury by inhibiting AST and ALT levels, as well as inflammatory cytokines TNF-alpha and IL-1beta production. The expression of TLR4 and NF-kappaB activation induced by LPS/D-GalN were also inhibited by treatment of shikonin. In vitro, shikonin significantly inhibited LPS-induced TNF-alpha and IL-1beta production, as well as TLR4 expression and NF kappaB activation. In conclusion, the results of the present study suggest that shikonin attenuates LPS/D-GalN-induced hepatic injury by inhibiting TLR4 signaling pathway. PMID- 29207665 TI - miR-15b represses BACE1 expression in sporadic Alzheimer's disease. AB - Beta-site Amyloid precursor protein Cleaving Enzyme 1 (BACE1) is conceived as a potential target for therapies against Alzheimer disease (AD). MicroRNAs (miRNAs) are small non-coding RNAs that negatively regulate gene expression in a sequence specific manner. Although miRNAs have been increasingly recognized as important modulators in sporadic AD. In order to confirm whether miR-15b correlates with the BACE1 upregulation in sporadic AD, we firstly evaluated the expression of miR 15b and BACE1 in sporadic AD brain tissues and analyzed the correlation of miR 15b with BACE1. Then we determined the regulation of miR-15b in SH-SY5Y cells on the BACE1 expression. And finally we determined the targeting to 3' UTR of BACE1 by miR-15b by a luciferase reporter. Downregulation of miR-15b alleviated Abeta induced viability inhibition and decreased apoptosis in SH-SY5Y cells. Our results demonstrated that miR-15b play an important role in the cellular AD phenotype and might be involved in the pathogenesis of AD. PMID- 29207666 TI - Integrative analysis to identify oncogenic gene expression changes associated with copy number variations of enhancer in ovarian cancer. AB - Enhancers are short regulatory regions (50-1500 bp) of DNA that control the tissue-specific activation of gene expression by long distance interaction with targeting gene regions. Recently, genome-wide identification of enhancers in diverse tissues and cell lines was achieved using high-throughput sequencing. Enhancers have been associated with malfunctions in cancer development resulting from point mutations in regulatory regions. However, the potential impact of copy number variations (CNVs) on enhancer regions is unknown. To learn more about the relationship between enhancers and cancer, we integrated the CNVs data on enhancers and explored their targeting gene expression pattern in high-grade ovarian cancer. Using human enhancer-gene interaction data with 13,691 interaction pairs between 7,905 enhancers and 5,297 targeting genes, we found that the 2,910 copy number gain events of enhancer are significantly correlated with the up-regulation of targeting genes. We further identified that a number of highly mutated super-enhancers, with concordant gene expression change on their targeting genes. We also identified 18 targeting genes by super-enhancers with prognostic significance for ovarian cancer, such as the tumour suppressor CDKN1B. We are the first to report that abundant copy number variations on enhancers could change the expression of their targeting genes which would be valuable for the design of enhancer-based cancer treatment strategy. PMID- 29207667 TI - Prevalence of and risk factors for cystic echinococcosis among herding families in five provinces in western China: a cross-sectional study. AB - Echinococcosis is a severe zoonosis that endangers the health of herdsmen in China's western provinces. This study aimed to examine the prevalence of this disease and identify potential factors associated with human echinococcosis among herding families. A cross-sectional study was conducted in five provinces in western China from May 1, 2016 to November 30, 2016, and 1500 herding families participated in the study. A total of 1211 completed questionnaires were analyzed. The prevalence of Cystic echinococcosis (CE) among surveyed herding families was 1.55%. The results of multivariate analysis revealed that the sheep immunization (OR=0.35, 95%CI 0.21-0.58), being concerned about family members echinococcosis (OR=0.49, 95%CI 0.28-0.84) were protective factors, while allowing dogs to roam free (OR=3.17, 95%CI 1.89-5.31), feeding dogs with viscera (OR=3.04, 95%CI 1.83, 5.03), slaughter at home (OR=3.53, 95%CI 2.04-6.12), drinking non boiled water (OR=2.15, 95%CI 1.28-3.63), eating raw vegetables (OR=1.87, 95%CI 1.13-3.10), not washing hands before meals (OR=3.08, 95%CI 1.68-5.65), and often seeing stray dogs (OR=2.60 95%CI 1.38-4.91) and wild animals (OR=1.92, 95%CI 1.17 3.14) near habitations were more associated with increased risk of infection. Immunizing sheep, appropriately managing domestic and stray dogs, and improving living environments and behavioral factors may help to reduce the risk of human echinococcosis in western China. PMID- 29207668 TI - Genetic or pharmacologic inhibition of EGFR ameliorates sepsis-induced AKI. AB - Despite recent studies have demonstrated that the EGF receptor (EGFR) activation provided a renoprotective role during ischemic and folic acid-induced AKI, the role and regulation mechanism of EGFR in septic AKI remains unclear. Here, gefitinib, a highly selective EGFR inhibitor, abrogated LPS-induced phosphorylation of EGFR, ERK1/2, and STAT3 as well as expression of COX, eNOS, and proinflammatory cytokines in HK-2 cells. In addition, c-Src is an upstream of EGFR signaling pathway and mediates LPS-induced EGFR transactivation. In vivo, either gefitinib or genetic approaches (Wave-2 mutant mice, which have reduced EGFR tyrosine kinase activity) protected against LPS or cecal ligation and puncture (CLP) induced AKI respectively. Interestingly, the beneficial effects of gefitinib or genetic approaches were accompanied by the dephosphorylation of EGFR, ERK1/2, and STAT3, the down regulation of expression of COX, eNOS, macrophage infiltration, proinflammatory cytokines production and the renal cell apoptosis. Furthermore, mRNA array results indicated that gene families involved in cell death, inflammation, proliferation and signal transduction were down regulated in Wave-2 (Wa-2) mice. Take together, these data suggest that EGFR may mediate renal injury by promoting production of inflammatory factors and cell apoptosis. Inhibition of EGFR may have therapeutic potential for AKI during endotoxemia. PMID- 29207669 TI - Breath analysis by gas chromatography-mass spectrometry and electronic nose to screen for pleural mesothelioma: a cross-sectional case-control study. AB - Rationale: Malignant pleural mesothelioma (MPM) is mainly caused by previous exposure to asbestos fibers and has a poor prognosis. Due to a long latency period between exposure and diagnosis, MPM incidence is expected to peak between 2020-2025. Screening of asbestos-exposed individuals is believed to improve early detection and hence, MPM management. Recent developments focus on breath analysis for screening since breath contains volatile organic compounds (VOCs) which reflect the cell's metabolism. Objectives: The goal of this cross-sectional, case control study is to identify VOCs in exhaled breath of MPM patients with gas chromatography-mass spectrometry (GC-MS) and to assess breath analysis to screen for MPM using an electronic nose (eNose). Methods: Breath and background samples were taken from 64 subjects: 16 healthy controls (HC), 19 asymptomatic former asbestos-exposed (AEx) individuals, 15 patients with benign asbestos-related diseases (ARD) and 14 MPM patients. Samples were analyzed with both GC-MS and eNose. Results: Using GC-MS, AEx individuals were discriminated from MPM patients with 97% accuracy, with diethyl ether, limonene, nonanal, methylcyclopentane and cyclohexane as important VOCs. This was validated by eNose analysis. MPM patients were discriminated from AEx+ARD participants by GC-MS and eNose with 94% and 74% accuracy, respectively. The sensitivity, specificity, positive and negative predictive values were 100%, 91%, 82%, 100% for GC-MS and 82%, 55%, 82%, 55% for eNose, respectively. Conclusion: This study shows accurate discrimination of patients with MPM from asymptomatic asbestos-exposed persons at risk by GC-MS and eNose analysis of exhaled VOCs and provides proof-of-principle of breath analysis for MPM screening. PMID- 29207670 TI - MicroRNA-92b inhibits epithelial-mesenchymal transition-induced migration and invasion by targeting Smad3 in nasopharyngeal cancer. AB - Increasing studies reports that aberrant miRNAs contribute to nasopharyngeal carcinoma (NPC) development and progression. However, the role of miR-92b in NPC remains unclear. In present research, we found that a reduced miR-92b expression in NPC tissues and cell lines. The clinical data showed that the down-regulated miR-92b expression was obviously associated with adverse prognostic characteristic. Furthermore, we confirmed that miR-92b was a novel independent prognostic symbol for predicting 5-year survival of NPC patients. MiR-92b overexpression inhibited cell migration, invasion and EMT progress, while down regulated miR-92b reversed the effect. Besides, miR-92b could modulate Smad3 by directly binding to its 3'-UTR. In clinical samples of NPC, miR-92b inversely correlated with Smad3. Alternation of Smad3 expression at least partially abrogated the migration, invasion and EMT progress of miR-92b on NPC cells. In summary, our results indicated that miR-92b functioned as a tumor suppressor gene in regulating the EMT and metastasis of NPC via targeting Smad3, and may represent a novel potential therapeutic target and prognostic marker for NPC. PMID- 29207671 TI - Ginkgo biloba extract EGb 761-induced upregulation of LincRNA-p21 inhibits colorectal cancer metastasis by associating with EZH2. AB - EGb 761, the standard ginkgo biloba extract, is frequently prescribed in traditional Chinese medicine. Currently, there is no research focusing on its role in human colorectal cancer progression. In our study, we determined the anti metastatic effect of EGb 761 on colorectal cancer cells and further explored the potential underlying regulatory mechanism. The cell migration and invasion assay indicated that EGb 761 treatment of colorectal cancer cells induced inhibition of cell migration and invasion ability in a concentration-dependent manner. To further explore the underlying regulatory mechanisms that may account for these findings, we performed quantitative real-time PCR (RT-qPCR), western blotting and immunoprecipitation analysis. The results showed that EGb 761 induced upregulation of LincRNA-p21 expression in a dose- and time-dependent manner. Overexpression of LincRNA-p21 also suppressed colorectal cancer cell metastasis. Furthermore, EGb 761 as well as LincRNA-p21 inhibited the expression of extracellular matrix protein, fibronectin. More importantly, RNA immunoprecipitation (RIP) and Chromatin immunoprecipitation (ChIP) assays showed that LincRNA-p21 directly interacted with EZH2, and this interaction suppressed the expression of fibronectin. Finally, the gain and loss function assay revealed that EGb 761 inhibited migration, invasion and fibronctin expression by the LincRNA-p21/EZH2 pathway in colorectal cancer cells. Hence, EGb 761 may be a promising treatment regimen for colorectal cancer and restoration of LincRNA-p21 levels may be helpful for enhancing the anti-cancer effect of EGb 761. PMID- 29207672 TI - Thoracic endovascular aortic repair for type B aortic dissection after renal transplantation. AB - Thoracic endovascular repair (TEVAR) is an effective treatment for type B aortic dissection (TBAD). Here, we evaluated the early-midterm effectiveness and safety of TEVAR for treating TBAD patients after renal transplantation. Six patients with TBAD treated with TEVAR after renal transplantation were recruited between February 2012 and December 2016. They were then followed up with clinical examinations and computed tomography angiography (CTA). TEVAR was successfully performed in all patients (100%), and the primary tear sites were well covered by stents with or without coverage of the left subclavian artery. No severe complications occurred in any patient during perioperative period. The one-year survival rate was 100%, one patient died of renal graft failure and heart failure four years after TEVAR; the remaining five patients (83.3%) survived and exhibited no severe complications. Our findings show that TEVAR provides satisfactory short-midterm results for TBAD patients after renal transplantation. Moreover, our experience shows that it need relative longer proximal landing zone to prevent the endoleak and recurrence. However, regular hematodialysis, long term immunosuppressive therapy, and blood pressure control remain crucial factors to prolong survival. Long-term follow-up studies are needed to evaluate the long term prognosis in these patients. PMID- 29207673 TI - Comparison among conventional and advanced MRI, 18F-FDG PET/CT, phenotype and genotype in glioblastoma. AB - Glioblastoma (GB) is a highly heterogeneous tumor. In order to identify in vivo the most malignant tumor areas, the extent of tumor infiltration and the sites giving origin to GB stem cells (GSCs), we combined positron emission tomography/computed tomography (PET/CT) and conventional and advanced magnetic resonance imaging (MRI) with histology, immunohistochemistry and molecular genetics. Prior to dura opening and tumor resection, forty-eight biopsy specimens [23 of contrast-enhancing (CE) and 25 of non-contrast enhancing (NE) regions] from 12 GB patients were obtained by a frameless image-guided stereotactic biopsy technique. The highest values of 2-[18F]-fluoro-2-deoxy-D-glucose maximum standardized uptake value (18F-FDG SUVmax), relative cerebral blood volume (rCBV), Choline/Creatine (Cho/Cr), Choline/N-acetylaspartate (Cho/NAA) and Lipids/Lactate (LL) ratio have been observed in the CE region. They corresponded to the most malignant tumor phenotype, to the greatest molecular spectrum and stem cell potential. On the contrary, apparent diffusion coefficient (ADC) and fractional anisotropy (FA) in the CE region were very variable. 18F-FDG SUVmax, Cho/Cr and Cho/NAA ratio resulted the most suitable parameters to detect tumor infiltration. In edematous areas, reactive astrocytes and microglia/macrophages were influencing variables. Combined MRI and 18F-FDG PET/CT allowed to recognize the specific biological significance of the different identified areas of GB. PMID- 29207674 TI - Genetic polymorphisms in caveolin-1 associate with breast cancer risk in Chinese Han population. AB - Caveolin-1(CAV-1) was demonstrated to be a tumor suppressor gene and be implicated in the development of breast cancer (BC). Numerous potentially functional polymorphisms in CAV-1 have been identified, but their effects on BC were not clear. This case-control study aims to evaluate the relationship between CAV-1 polymorphisms and BC risk. 560 BC patients and 583 healthy controls were enrolled in the present study, all from Chinese Han population. We detected 3 single nucleotide polymorphisms (rs3807987, rs1997623, and rs7804372) in CAV-1 using the Sequenom MassARRAY method. The association between CAV-1genotypes and BC risk was assessed in six genetic models by calculating the odds ratio (OR) and 95% confidence intervals (95% CIs) with chi2-test. The CAV-1 rs3807987 polymorphism was observed to increase the risk of BC And the A allele of rs3807987 relates to a larger tumor size (>=2cm) and lower incidence of PR positive BC while the AA genotype of rs7804372 associates with a higher ER and Her-2 positive rate among BC patients. In addition, Ars1997623Grs3807987Trs7804372 haplotype was linked to a decreased risk of BC (OR =0.64, 95%CI=0.44-0.93), whereas Crs1997623Ars3807987Trs7804372 haplotype was related to an increased BC risk (OR =1.74, 95%CI=1.04-2.92). Our study suggests that CAV-1 rs3807987 can increase the BC risk among Chinese Han women. And the rs3807987 and rs7804372 in CAV-1 may serve as predictors for prognosis of BC. PMID- 29207675 TI - Thio-barbiturate-derived compounds are novel antioxidants to prevent LPS-induced inflammation in the liver. AB - Liver inflammation is closely associated with metabolic syndrome. Oxidative stress plays a synergistic role in inflammation by activating nuclear factor kappa B (NF-kappaB) signaling in the liver. Therefore, substantial efforts have been made to develop compounds that inhibit the generation of oxidative stress and activation of NF-kappaB. We synthesized twenty-six novel 5-(substituted benzyl)-2-oxo- and 5-(substituted benzyl)-2-thioxo-dihydropyrimidine-4,6(1H,5H) dione derivatives for the development of potential antioxidants and examined their biological activities in vitro and in vivo. Thio-barbiturate-derived compounds 5-[4-hydroxy-3-methoxybenzy]-2-thioxodihydropyrimidine-4,6[1H,5H]-dione (2d) and 5-[4-hydroxy-3,5-methoxybenzy]-2-thioxodihydropyrimidine-4,6[1H,5H] dione (2l) had the strongest inhibitory effect on reactive oxygen species and peroxynitrite generation in vitro. Furthermore, oral administration of compounds 2d and 2l in mice notably suppressed lipopolysaccharide (LPS)-induced oxidative stress and NF-kappaB activation in the liver. Because macrophages play an essential role in liver inflammation, we investigated the effects of these compounds on inflammatory signaling in LPS-induced RAW264.7 macrophages. LPS induced NF-kappaB activation and protein expression of cyclooxygenase 2 and inducible nitric oxide synthase were inhibited by pretreatment of these compounds in macrophages. In parallel with this finding, the phosphatase and tensin homolog deleted on chromosome 10 (PTEN) and AKT signalings, which are upstream activators of p65, were decreased by these compounds in macrophages. Our study suggests that compounds 2d and 2l inhibit oxidative stress and NF-kB-mediated inflammation, at least partially, through suppressing PTEN/AKT signaling. Therefore, these compounds may be useful as therapeutic agents for the amelioration of inflammatory diseases. PMID- 29207676 TI - Circular RNA hsa_circ_000984 promotes colon cancer growth and metastasis by sponging miR-106b. AB - Circular RNAs (circRNAs) as a novel type of noncoding RNAs (ncRNAs) are widely studied in the development of human various diseases, including cancer. Here, we found circular RNA hsa_circ_000984 encoded by the CDK6 gene was remarkably upregulated in the tissues of colorectal cancer (CRC) patients and in the CRC cell lines. Moreover, high expression level of hsa_circ_000984 was significantly associated with advanced colorectal cancer. Further analysis revealed that hsa_circ_000984 knockdown could inhibit cell proliferation, migration, invasion in vitro and tumor formation in vivo in CRC cell lines. Mechanically, we found that hsa_circ_000984 may act as a competing endogenous RNA (ceRNA) by competitively binding miR-106b and effectively upregulate the expression of CDK6, thereby inducing a series of malignant phenotypes of tumor cells. Taken together, these observations suggest that the hsa_circ_000984 could mediate the expression of gene CDK6 by acting as a ceRNA, which may contribute to a better understanding of between the regulatory miRNA network and CRC pathogenesis. PMID- 29207677 TI - Dietary n-3 polyunsaturated fatty acids, fish consumption, and endometrial cancer risk: a meta-analysis of epidemiological studies. AB - The relationship between intake of fish and n-3 fatty acids and endometrial cancer risk has not been consistent across epidemiological studies. We quantitatively assessed the aforementioned association through a systematic review and meta-analysis. PubMed and Embase were searched through March 2017 for eligible epidemiological studies. Fixed or random-effects models were used to pool relative risks (RRs) and 95% confidence intervals (CIs). The dose-response relationship was also evaluated. Based on the literature search, five prospective studies and 11 case-control studies were identified. All 16 studies were categorized as high-quality studies. After pooling available risk estimates, no significant association was detected between overall fish intake and endometrial cancer risk. In subgroup analyses, every one additional serving/week of fish intake was significantly associated with inversed endometrial cancer risk in studies adjusted for smoking (RR (95% CI): 0.95 (0.91-1.00)), or studies performed in Europe (RR (95% CI): 0.90 (0.84-0.97)), but not in other tested subgroups. In studies conducted in Asia, there was significant positive association (RR (95% CI): 1.15 (1.10-1.21)). Regarding n-3 PUFA intake, marginally inverse associations of high EPA or DHA intake were detected (EPA: RR (95% CI) = 0.79 (0.61-1.04); DHA: RR (95% CI) = 0.85 (0.64-1.11)). Dose-response analyses suggested a significant nonlinear relationship between DHA intake and endometrial cancer risk (p: 0.04). Overall, this meta-analysis suggests that intake of n-3 PUFA may be inversely associated with endometrial cancer risk at some level of evidence, although the exact relationship, especially for fish intake, needs further characterization. Further well-designed studies are warranted. PMID- 29207678 TI - Systematic review and meta-analysis of the prognostic value of preoperative platelet-to-lymphocyte ratio in patients with urothelial carcinoma. AB - A large number of studies have investigated the prognostic value of the platelet to-lymphocyte ratio (PLR) in patients diagnosed with urothelial carcinoma, but the evidence from these papers is conflicting. This systematic review and meta analysis was carried out to assess the role of PLR in urothelial carcinoma patients. After a systematic search of the PubMed, Embase, Web of science databases, the associations between PLR and overall survival (OS), cancer specific survival (CSS)/disease-specific survival (DSS), and relapse-free survival (RFS)/disease-free survival (DFS) were analyzed in urothelial carcinoma patients. The relationship between PLR and pathological results was also evaluated. A total of seven studies (eight cohorts) comprising 3171 patients were included. The pooled hazard ratios (HRs) and 95% confidence intervals (CIs) indicated the increased preoperative PLR predicted poor OS (HR = 1.14, 95% CI = 1.01- 1.27, p < 0.001), CSS/DSS (HR = 1.24, 95% CI = 1.08-1.40, p < 0.001), RFS/DFS (HR = 1.23, 95% CI = 1.09-1.38, p < 0.001). However, no significant correlation was found between elevated preoperative PLR and pathological results such as tumor grade, tumor necrosis and T stages. These findings suggest a high PLR is associated with reduced OS, CSS/DSS and RFS/DFS in urothelial carcinoma. Preoperative PLR may therefore be a predictive factor in this patient group. PMID- 29207679 TI - Italian real life experience with brentuximab vedotin: results of a large observational study on 234 relapsed/refractory Hodgkin's lymphoma. AB - A large Italian multicenter observational retrospective study was conducted on the use of brentuximab vedotin (BV) for patients with relapsed Hodgkin's lymphoma (HL) to check if clinical trial results are confirmed even in a real life context. 234 CD30+ HL patients were enrolled. Best response was observed after a median of 4 cycles in 140 patients (59.8%): 74 (31.6%) patients obtained a complete response (CR) and 66 (28.2%) achieved a partial response (PR); overall response rate at the end of the treatment was 48.3% (62 CR and 51 PR). The best response rate was higher in the elderly subset: 14 (50%) CR and 5 (17.8%) PR. Disease free survival was 26.3% at 3 years and progression free survival 31.9% at 4.5 years. Duration of response did not differ for who achieved at least PR and then either did or did not undergo consolidative transplant. Overall, the treatment was well tolerated and no death has been linked to BV-induced toxicity. Our report confirms activity in elderly patients, duration of response unrelated to the consolidation with transplant procedure, the relevance of the CR status at first restaging, and the role of BV as a bridge to transplant for chemorefractory patients. PMID- 29207680 TI - Correlation between cerebellar metabolism and post-stroke depression in patients with ischemic stroke. AB - The neurochemical changes that occur in the brain of patients with post-stroke depression (PSD) are not fully understood. This study aims to explore the correlation between cerebellar metabolism changes and PSD using proton magnetic resonance spectroscopy (1H-MRS). Participants were assigned to 3 groups: 60 patients with PSD (PSD group), 60 stroke patients without depression (NOPSD group), and 60 healthy volunteers (HEAL group). T1 WI, T2 WI, DWI and 1H-MRS examination were performed for patients at 14 days, 3 months after the stroke, respectively, and for healthy volunteers once when included in the study. Cho/Cr and Cho/NAA ratios in the cerebellar hemisphere contralateral to the lesion were higher in the PSD group than those in the HEAL and NOPSD groups on 14th day after the stroke (P < 0.05). In PSD group, Cho/Cr and Cho/NAA ratios in the cerebellar hemisphere contralateral to the lesion were positively correlated to the HAMD scale scores at both 14 days and 3 months after stroke (P < 0.05); Higher Cho/Cr and Cho/NAA ratios, and lower NAA/Cr ratio in the cerebellar hemisphere contralateral to the lesion were observed at 3 months after stroke compared to that at 14 days after stroke. Cerebellar damage may lead to PSD, and the degree of cerebellar damage may be associated with severity of PSD. PMID- 29207681 TI - Histone demethylase JMJD2C: epigenetic regulators in tumors. AB - Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes. JMJD2C was firstly found to involve in embryonic development and stem cell regulation. Afterwards, aberrant status of JMJD2C histone methylation was observed during the formation and development of various tumors, and it has been reported to play crucial roles in the progression of breast cancer, prostate carcinomas, osteosarcoma, blood neoplasms and so on, indicating that JMJD2C represents a promising anti-cancer target. In this review, we will focus on the research progress and prospect of JMJD2C in tumors, and provide abundant evidence for the functional application and therapeutic potential of targeting JMJD2C in tumors. PMID- 29207683 TI - Non-coding RNA: a potential biomarker and therapeutic target for sepsis. AB - Sepsis, a syndrome of physiologic, pathologic, and biochemical abnormalities caused by an altered systemic host response to infection, has become the main cause of death among patients admitted to the intensive care units. Recently, genome-wide expression analysis revealed that over 80% of the essential genetic elements were altered in critically ill patients. Notably, non-coding RNAs, including microRNAs, long non-coding RNAs and circular RNAs, have been proven to play essential roles in innate immunity, mitochondrial dysfunction and organ dysfunction. In this review, we introduced the biogenesis of non-coding RNAs briefly and summed up different kinds of non-coding RNAs in regulation of sepsis, which could provide a more comprehensive understanding about pathogenesis of the disease. Additionally, we summarized the limitations of current biomarkers and then recommended some non-coding RNAs as novel potential biomarkers for sepsis and sepsis-induced organ dysfunction. Besides, we also introduced some problems and challenges that need to be overcome during the clinical application of non coding RNAs. Future research should focus on elucidating their molecular mechanisms, particularly long non-coding RNAs as well as circular RNAs and sepsis, to further understanding of the disease process. With the in-depth understanding of the mechanism of sepsis, non-coding RNAs provide a new insight into sepsis and could become the novel therapeutic targets in the future. PMID- 29207684 TI - Recurrent glioma clinical trial, CheckMate-143: the game is not over yet. AB - Glioblastoma (GBM) is the most common, and aggressive, primary brain tumor in adults. With a median patient survival of less than two years, GBM represents one of the biggest therapeutic challenges of the modern era. Even with the best available treatment, recurrence rates are nearly 100% and therapeutic options at the time of relapse are extremely limited. Nivolumab, an anti-programmed cell death-1 (PD-1) monoclonal antibody, has provided significant clinical benefits in the treatment of various advanced cancers and represented a promising therapy for primary and recurrent GBM. CheckMate 143 (NCT 02017717) was the first large randomized clinical trial of PD pathway inhibition in the setting of GBM, including a comparison of nivolumab and the anti-VEGF antibody, bevacizumab, in the treatment of recurrent disease. However, preliminary results, recently announced in a WFNOS 2017 abstract, demonstrated a failure of nivolumab to prolong overall survival of patients with recurrent GBM, and this arm of the trial was prematurely closed. In this review, we discuss the basic concepts underlying the rational to target PD pathway in GBM, address implications of using immune checkpoint inhibitors in central nervous system malignancies, provide a rationale for possible reasons contributing to the failure of nivolumab to prolong survival in patients with recurrent disease, and analyze the future role of immune checkpoint inhibitors in the treatment of GBM. PMID- 29207682 TI - Over forty years of bladder cancer glycobiology: Where do glycans stand facing precision oncology? AB - The high molecular heterogeneity of bladder tumours is responsible for significant variations in disease course, as well as elevated recurrence and progression rates, thereby hampering the introduction of more effective targeted therapeutics. The implementation of precision oncology settings supported by robust molecular models for individualization of patient management is warranted. This effort requires a comprehensive integration of large sets of panomics data that is yet to be fully achieved. Contributing to this goal, over 40 years of bladder cancer glycobiology have disclosed a plethora of cancer-specific glycans and glycoconjugates (glycoproteins, glycolipids, proteoglycans) accompanying disease progressions and dissemination. This review comprehensively addresses the main structural findings in the field and consequent biological and clinical implications. Given the cell surface and secreted nature of these molecules, we further discuss their potential for non-invasive detection and therapeutic development. Moreover, we highlight novel mass-spectrometry-based high-throughput analytical and bioinformatics tools to interrogate the glycome in the postgenomic era. Ultimately, we outline a roadmap to guide future developments in glycomics envisaging clinical implementation. PMID- 29207685 TI - Excellent response to chemotherapy post immunotherapy. AB - Introduction: Immunotherapy in the form of immune checkpoint inhibitors has changed the landscape of cancer treatment. Newer monoclonal antibodies are coming up and are being tested in various cancers during different stages of treatment. With the increasing use of immune checkpoint inhibitors in the management of various types of cancers, the question is raised as to what next can be offered to a patient who has progressed on this newer treatment. Does Sequence matter? There have been reports of improved responses to chemotherapy after immunotherapy in the form of vaccines. Here we present a case series of 6 patients who progressed on immunotherapy with immune checkpoint inhibitors after initial modality of treatment (chemotherapy/radiation), subsequently received chemotherapy with excellent response. Methods: We have a cohort of six patients who had disease progression on second line Immunotherapy for solid or hematological malignancies and had ECOG < 2. All these patients received third line salvage chemotherapy. Three patients had metastatic head and neck cancer, 2 had non-small cell lung cancer (NSCLC), and one had T -cell rich B- cell lymphoma. Prior review and approval were obtained from our institutional review board. Results: All patients had an excellent response to chemotherapy in third line setting, after immune checkpoint inhibitors and most of them achieved a complete response. Conclusion: Targeting cancer with chemotherapy after failure of immunotherapy is a valid option and can lead to better response rates and PFS which may lead to OS. This effect may be secondary to immunotherapy removing the inhibition exerted by tumor cells or other immune cells initially followed by cytotoxic chemotherapy mediated killing of tumor cells. PMID- 29207686 TI - Molecular targeting of the Aurora-A/SMAD5 oncogenic axis restores chemosensitivity in human breast cancer cells. AB - Although the majority of breast cancers initially respond to the cytotoxic effects of chemotherapeutic agents, most breast cancer patients experience tumor relapse and ultimately die because of drug resistance. Breast cancer cells undergoing epithelial to mesenchymal transition (EMT) acquire a CD44+/CD24 /ALDH1+ cancer stem cell-like phenotype characterized by an increased capacity for tumor self-renewal, intrinsic drug resistance and high proclivity to develop distant metastases. We uncovered in human breast tumor xenografts a novel non mitotic role of Aurora-A kinase in promoting breast cancer metastases through activation of EMT and expansion of breast tumor initiating cells (BTICs). In this study we characterized the role of the Aurora-A/SMAD5 oncogenic axis in the induction of chemoresistance. Breast cancer cells overexpressing Aurora-A showed resistance to conventional chemotherapeutic agents, while treatment with alisertib, a selective Aurora-A kinase inhibitor, restored chemosensitivity. Significantly, SMAD5 expression was required to induce chemoresistance and maintain a breast cancer stem cell-like phenotype, indicating that the Aurora A/SMAD5 oncogenic axis promotes chemoresistance through activation of stemness signaling. Taken together, these findings identified a novel mechanism of drug resistance through aberrant activation of the non-canonical Aurora-A/SMAD5 oncogenic axis in breast cancer. PMID- 29207687 TI - Variation in Morphometry of Vastus Medialis Muscle. AB - Introduction: The Vastus Medialis (VM) muscle divides into two parts, proximal Vastus Medialis Longus (VML) and distal Vastus Medialis Obliquus (VMO). The VMO originates from the tendon of adductor magnus and insert into the medial border of patella and these fibers are nearly horizontal. It exerts medial force vector to counter the lateral force vector of Vastus Lateralis (VL) hence the VM presents a biomechanical advantage over the VL. The functional importance of VML and VMO is well explained but the anatomical evidence of separate identity of VMO is lacking. Aim: To determine muscle fiber angles and lengths of VML and VMO, to find out the distinct nerve supply and fascial plane between VML and VMO and to evaluate VM insertion in relation to patella. Materials and Methods: Thirty intact lower limbs (right-15 and left- 15) from 15 donated cadavers with an age 60 years and above were dissected. Lengths and angles of VML, VMO superior (VMOs) and VMO inferior (VMOi) were measured. The fascial plane and the femoral nerve and its branches supplying VM were dissected and terminal branches were traced in each section with the blunt dissection. All parameters were recorded and statistical analysis was done using one-way ANOVA. Results: The VMO took origin from the adductor magnus muscle and attached to the patella. VMOi was present in 83.33% cases (25 limbs), and inserted to the medial border of patella. The percentages of VML, VMOs and VMOi lengths compared to total VM length were 65.54+/-4.84, 25.23+/-4.20 and 9.22+/-2.17 respectively. The fiber angles ranged for VML, VMOs and VMOi were between 18 to 32, 30 to 46 and 46 to 56 degrees respectively. There were significant differences among all groups (p=0.001). These two parts were not separated by distinct fascial plane and no separate nerve supply was observed but the richest nerve supply to VMO was noted. Conclusion: The present study conclude that VMO is having obtuse angle, horizontal fibers and richest nerve supply as compared to proximal part which make it functionally as a separate entity but not anatomically. PMID- 29207688 TI - Radiological Biometric Study of Metatarsals and Phalanges. AB - Introduction: Several diseases affect the forefoot bones. Relative dimensions of the forefoot bones are important considerations for preoperative and postoperative assessment of surgeries. The choice of a particular surgery over another can also be made if the surgeon knows the length to which a bone needs to be lengthened or shortened in comparison to other bones of the forefoot. Aim: To measure the dimensions of the metatarsals and phalanges on standardized radiographs and to determine possible correlations amongst them. Materials and Methods: A cross-sectional prospective study was conducted on 60 volunteer participants of either sex. The dimensions of metatarsals and phalanges were measured on standardized radiographs of both feet in 60 healthy adults. The mean, range and standard deviation were calculated. Correlation analysis was done to assess the association between the variables. Results: The first metatarsal was the shortest (56.42+/-4.41 mm in males and 50.09+/-3.06 mm in females) and widest of all metatarsals (13.7+/-1.00 mm in males and 11.7+/-0.91 mm in females). The first proximal phalanx was the longest (28.0+/-2.40 mm in males and 25.8+/-2.21 mm in females) and the fifth distal phalanx (5.2+/-1.33 mm in males and 4.4+/ 1.03 mm in females) was the shortest of all phalanges. A strong correlation (p<0.001) exists amongst the lengths of metatarsals, proximal phalanges and middle phalanges, within their own groups. Conclusion: Correlation of the lengths and widths of the forefoot bones amongst themselves and between types can be calculated mathematically utilising standardized radiographs. This helps in assessment of forefoot disorders, choose an appropriate surgical technique and postoperative evaluation. PMID- 29207689 TI - Students' Perception and Attitude on Methods of Anatomy Teaching in a Medical College of West Bengal, India. AB - Introduction: Incorporating newer teaching aids over traditional one in Anatomy has been challenging both for the teachers and the learners. Different educational strategies are being used for teaching of Anatomy. Aim: To elicit the perception and attitude toward teaching approaches in the Anatomy curriculum among first year medical students. Materials and Methods: A cross-sectional, descriptive study was undertaken with the help of predesigned, pre-tested questionnaire to elicit knowledge in four domains of classroom teaching which were: a) gross anatomical structure; b) organ identification; c) topography; and d) radiological anatomy and self-assessment of acquired skills in respective fields among 114 first year students. Results: A total of 57% of students opined good in gross structure of anatomy. A 60.5% of students preferred chalk and board method and 33.3% with LCD projector. Regarding acquiring knowledge, 72.8% of medical students gathered knowledge in gross anatomical structure domain whereas 58.8% in radiological anatomy. The overall mean score of attitude of the students regarding incorporating newer techniques in Anatomy teaching is 14.17+/-2.26. Conclusion: The perception of Anatomy teaching and attitude among medicos have been studied and opinion from them had thrown light for incorporation of newer techniques in their teaching curriculum. PMID- 29207690 TI - Morphological and Morphometric Study of Coronary Sinus in North Indian Population. AB - Introduction: Coronary sinus (CS) is the largest vein draining the blood from heart. It is a muscular tube of about 2 cm to 3 cm length and 1 cm in caliber. It has become a clinically important structure through its role in providing access for different cardiac procedures viz., biventricular pacing, arrhythmia ablation and for deployment of an array of cardiac devices. Aim: To study the location, shape, length and width of CS including its left atrial muscular coverage in 50 cadaveric hearts. Materials and Methods: The present study comprised of 50 adult human apparently normal formalin fixed cadaveric hearts belonging to either sex obtained from the Department of Anatomy, Government Medical College, Amritsar, India. Location and shape of CS were noted, external and internal lengths of the CS were measured with the help of a thread and Vernier caliper. Width of CS was measured at three levels; at the beginning, at the point of entry of Middle Cardiac Vein (MCV) and at termination in right atrium. The walls of CS were examined to note whether they were covered by the muscles of left atrium or not. Descriptive analysis was done to calculate range, mean and Standard Deviation (SD) by using Statistical Package for Social Science (SPSS) 17.0. Results: CS was located in the posterior atrioventricular sulcus in 98%. Two shapes; funnel in 82% and tubular/cylindrical in 18% were observed. External length of coronary sinus ranged from 20.5 mm to 58.78 mm (mean 38.22+/-8.6 mm) and internal length ranged from 16.28 mm to 49.6 mm (mean 34.48+/-8.9 mm). Maximum width of coronary sinus was at its termination (9.61+/-2.6 mm) and it was covered by muscles of left atrium in 96% of hearts. Conclusion: CS is a constant structure in cardiac venous anatomy but its location, shape, length and width are variable. Knowing these variations can help cardiac surgeons especially during cardiac resynchronization therapy, ablation and defibrillation. PMID- 29207691 TI - A Comparative Study of High Sensitivity C-Reactive Protein and Metabolic Variables in Type 2 Diabetes Mellitus with and without Nephropathy. AB - Introduction: Diabetic nephropathy is a serious chronic complication of Type 2 Diabetes Mellitus (T2DM) which impairs the quality of life, leading to increased morbidity and mortality. The high sensitivity C-reactive protein (hs-CRP) is an acute phase reactant which acts as a non-specific systemic marker of inflammation. Aim: To find out the relationship between serum hs-CRP and metabolic variables in Type 2 diabetic patients with and without nephropathy. Materials and Methods: The study group consists of 96 subjects that include non diabetic healthy controls, Type 2 diabetic patients without any complications and patients with diabetic nephropathy. The study group was composed of both genders, aged 31-70 years, who reported after 10-12 hours overnight fasting; then, venous blood and fresh urine samples were collected, in the morning from all the study subjects. Data were analysed using Statistical Package for the Social Sciences (SPSS). Independent t-test was used to compare between the groups and Chi square test was used to find out the relationship between serum hs-CRP and metabolic variables. Results: The results showed a significantly (p<0.05) increasing trend of serum hs-CRP with the degree of microalbumin excretion and the severity of nephropathy in Type 2 diabetic patients. The result showed a significant (p<0.05) relationship between hs-CRP and the metabolic variables like Fasting Blood Glucose (FBG), Post Prandial Blood Glucose (PPBG), Total Cholesterol (TC), Triglycerides (TG), LDL-Cholesterol (LDL-C), TC:HDL-Cholesterol (HDL-C) ratio and estimated Glomerular Filtration Rate (eGFR) and no significance (p>0.05) between hs-CRP and HDL-Cholesterol in both diabetic and diabetic nephropathy subjects. Conclusion: Hs-CRP was strongly associated with the metabolic variables and predictors of cardiovascular risk in Type 2 diabetes mellitus with and without nephropathy. The hs-CRP might be considered as a predictor or illness indicator for the development of nephropathy and cardiovascular risk in Type 2 diabetic patients. PMID- 29207692 TI - Oxidative Stress in the Development of Genetic Generalised Epilepsy: An Observational Study in Southern Indian Population. AB - Introduction: Oxidative stress resulting from excessive generation of Reactive Oxygen Species (ROS) plays a significant role in neurodegeneration associated with seizures/epilepsy. Aim: To evaluate oxidative stress markers and antioxidant enzymes in Genetic Generalised Epilepsy (GGE) and to know the extent of oxidative stress induced by Anti-Epileptic Drugs (AEDs) with the time duration of treatment. Materials and Methods: In this case-control study, 310 GGE patients (male:female=203:107), who were on AED treatment (n=235) and 75 untreated patients (male:female=49:26) along with 310 age and sex matched healthy controls were recruited. Oxidative stress markers such as Nitric Oxide (NO), Malondialdehyde (MDA) and antioxidant enzyme activities namely Superoxide Dismutase (SOD), Glutathione Peroxidase (GPx) and Catalase (CAT) were measured spectrophotometrically. Results: Significantly higher levels of serum NO, MDA and low levels of plasma Total Antioxidant Capacity (TAC) were found in patients as compared to controls (p<0.001) whereas erythrocyte SOD, CAT and GPx activities were found to be significantly low in patients when compared to the control group (p<0.001). Statistically significant higher levels of NO, MDA and lower levels of SOD, CAT and TAC were observed in patients subgroup, who were on AEDs for more than >5 years compared to other groups (<= 1 year and 1-<= 5 years) (p=0.02, p=0.01, p=0.001, p=0.01 and p=0.05 respectively). Further, significant increase in the levels of NO, MDA and decreased activities of SOD, CAT were found in treated patients compared to untreated patients (p<0.05) denoting that additional oxidative stress induced by AEDs which results in seizure recurrence and drug intractability. Conclusion: Our study demonstrated that GGE patients have additional oxidative stress due to AEDs and decreased antioxidant enzyme activities causing an imbalance between oxidant and antioxidant status, which might contribute to the pathogenesis of GGE. PMID- 29207693 TI - Serum Uric Acid in Chronic Obstructive Pulmonary Disease: A Hospital Based Case Control Study. AB - Introduction: Airway inflammation and imbalance between oxidant/anti-oxidant mechanisms are postulated to play a major role in the pathogenesis and exacerbation of Chronic Obstructive Pulmonary Disease (COPD). Previous studies on the role of serum Uric Acid (UA) in COPD subjects have been both confounding and inconclusive. Aim: To measure the serum UA levels among COPD subjects and to correlate with different stages of the disease. Materials and Methods: The study included 39 stable COPD subjects (21 males, 18 females; 13 smokers, 26 nonsmokers; age group; 40 to 60 years) and compared with 46 control subjects from the general population. Serum UA levels were measured by enzymatic colorimetric assay in fully automated analyser (Cobas Integra 400+, Roche, Germany) using commercially available kits from Roche. This was further correlated with duration and severity of COPD {determined as per Global Initiative for Obstructive Lung Disease (GOLD) criteria}. Results: The mean age of COPD and control subjects was 62.97+/-11.30 and 48.76+/-12.71 years, respectively (p<0.001). COPD cases had significantly higher level of UA compared to control subjects (4.85+/-1.67 vs. 2.32+/-0.93 mg/dl, respectively, p<0.001). Female subjects with COPD had higher levels of UA compared to their male counterparts (5.15+/-1.89 vs. 4.59+/-1.45 mg/dl, respectively, p=0.3). Similar insignificant (p=0.56) trend was also observed among control subjects. Hyperuricaemia correlated significantly (p< 0.05) with advance duration (>= 10 years) of COPD; whereas, statistically insignificant trend was observed for GOLD stage 3/4 versus stage 1/2 disease. Nonsmokers were having higher uric acid level than smokers. Alcohol intake did not affect the level of uric acid in COPD cases (p=0.79). Conclusion: Serum uric acid is a simple, cost effective biochemical test which may be useful in risk stratification of subjects with newly diagnosed chronic obstructive pulmonary disease. Hyperuricaemia is associated with advance duration and stage of COPD. PMID- 29207694 TI - The Effect of Ramadan Fasting on Biochemical Parameters in Healthy Thai Subjects. AB - Introduction: Although, the effect of Ramadan fasting on the risks for Cardiovascular Disease (CVD) has been reported in several studies, the results were inconsistent. In addition, the effect of Ramadan fasting on biochemical parameters in Thai subjects has not been evaluated. Aim: The aim of this study was to investigate the effect of Ramadan fasting on anthropometry, blood pressure, Fasting Blood Glucose (FBG), lipid profiles, and body composition in healthy Thai subjects. Materials and Methods: A total of 65 healthy subjects (21 men and 44 women) aged between 19-24 years were randomly recruited. Anthropometry, blood pressure, FBG, Total Cholesterol (TC), Triglyceride (TG), High Density Lipoprotein-Cholesterol (HDL-C), Low Density Lipoprotein-Cholesterol (LDL-C), and body composition were measured before Ramadan, end of Ramadan and after one month of Ramadan. Results: There were no changes in anthropometry, blood pressure, lipid profiles and body composition in both genders before Ramadan, end of Ramadan and after one month of Ramadan. Nevertheless, FBG levels were significantly increased after one month of Ramadan compared with baseline (5.09+/-0.50 versus 4.83+/-0.38 mmol/L, p=0.016, respectively) in women. Conclusion: The Ramadan fasting did not affect the lipid, anthropometric and body composition in healthy Thai subjects. However, the increased FBG levels after one month of Ramadan were observed in women. To improve the favourable biochemical parameters after Ramadan fasting, the lifestyle modifications such as, increased intake of healthy diets and increased physical activity should be recommended. PMID- 29207695 TI - Association of Glycated Haemoglobin and Serum Apolipoproteins with Diabetic Retinopathy: An Indian Overview. AB - Introduction: India is presently facing an epidemic of diabetes mellitus and the risks of chronic complications from the disease are associated with the duration of the disease as well as the degree of hyperglycaemia. Diabetic retinopathy is a known microvascular complication of diabetes mellitus and is the most common cause of blindness in the western countries.Apolipoproteins are the protein component of lipoproteins. Apart from acting as structural proteins, they also act as cofactors to various enzymes. Aim: To measure the levels of serum apolipoproteins and glycated haemoglobin in cases of diabetic retinopathy and to assess their association with the stages of diabetic retinopathy. Material and Methods: The 135 diabetic cases [with (110) and without (125) retinopathy] attending the Ophthalmology OPD of this tertiary care hospital were included in the present study. Following retinoscopy, the patients were classified as Non Proliferative Diabetic Retinopathy (NPDR) (n=75) and Proliferative Diabetic Retinopathy (PDR) (n=35). The controls (n=100) were age and sex matched patients who did not have diabetes. The cases and controls were assessed for HbA1c, total cholesterol, triglycerides, HDL cholesterol, Apo A-I and Apo B-100. Results: The HbA1c was found to be higher in diabetics without retinopathy (7.02%) as compared to controls (5.58%) (p<0.05) and the highest value was seen in the mild NPDR group (8.82%). The mean value of Apo A-I was found to be lowest in the diabetics without retinopathy at 88 mg/dl and the highest in severe NPDR at 167 mg/dL. The mean value of Apo B-100 was found to be highest in severe NPDR at 114 mg/dL. The mean value of HDL cholesterol was lowest in moderate NPDR at 36.6 mg/dl. Total cholesterol was highest in severe NPDR at 280.88mg/dl while triglyceride was highest in severe NPDR at 286.4mg/dl. Conclusion: In our study, the level of HbA1c was found to range from 5.58% in non-diabetic to 8.82% in mild NPDR. There was a clear association between Apo B-100 and total cholesterol, triglycerides with the highest value of each parameter seen in the severe NPDR group. There was a discordance noted in the levels of HDL and Apo A-I in various groups. Apo B-100 values may be of value in prognosis of diabetic retinopathy as higher values may result in progression of the disease. Further studies involving Lp(a) and homocysteine may be required in cases of diabetic retinopathy. PMID- 29207696 TI - Correlation of Pregnancy Associated Plasma Protein A and Zinc with Calculated Risk Ratio of Dual Test. AB - Introduction: First trimester screening by dual test is the most preferred method of antenatal screening. The detection rate of foetal aneuploidy using dual test is 95%. This test uses maternal serum free beta human Chorionic Gonadotropin (free beta hCG) and Pregnancy Associated Plasma Protein A (PAPP-A) along with maternal demographic and foetal sonographic indices to calculate risk for foetal aneuploidy. PAPP-A is a zinc binding metalloproteinase which is also responsible for placental development and foetal growth. So, zinc might also have some role in first trimester screening. No studies are available substantiating the role of zinc in first trimester screening. Aim: To measure and correlate maternal serum zinc with PAPP-A and calculated risk ratio of first trimester screening. Materials and Methods: PAPP-A and zinc were measured from the serum of 84 pregnant women aged 20-40 years in 11th-13th weeks+6 days of gestation who underwent dual test during their antenatal check-up. Risk calculation was done using Screening Software for Downs Windows Lab (SSDWL). Results: Maternal serum PAPP-A showed a significant positive correlation with maternal serum zinc (p value <0.001). Maternal serum PAPP-A and zinc both showed a significant positive correlation with calculated risk ratio (p-value<0.01). Conclusion: As PAPP-A is a zinc binding metalloproteinase, zinc showed significant pattern of correlation with aneuploidy risk as shown by PAPP-A. So there could be a possible role for serum zinc in first trimester of screening. PMID- 29207697 TI - Effects of Organophosphorus Pesticides on Cardiorespiratory Parameters among the Farmers. AB - Introduction: Indiscriminate use and improper handling of synthetic pesticides in agriculture have resulted in serious problems such as asthma, wheeze and chronic bronchitis among the farmers. Though number of studies have been done on pesticide exposure and its effect on cardiorespiratory parameters in Northern India, only few studies were done in Southern India, thus this study was chosen. Aim: To find the cardiorespiratory changes in farm workers exposed to organophosphorus pesticides. Materials and Methods: Peak Expiratory Flow Rate (PEFR), blood pressure, pulse rate were measured among 35 farm workers of Palayam and Naduveerpattu village of Cuddalore district and 35 age, sex, BMI matched controls were taken from urban area and the same parameters were measured in both groups from 10 am-12 am in the morning. History of use of personal protective equipments like face mask, eye mask, special clothes, shoes, hat, history of respiratory symptoms and hygienic work practices was also obtained from the farmers. Chi-square test was used to analyse the qualitative data. All values were expressed as Mean+/-SD. Students unpaired t-test was used to compare PEFR between two groups and to compare the duration of exposure and PEFR using GRAPH PAD PRISM. The p<0.05 was considered to be statistically significant. Results: There was a significant decrease in PEFR among the farmers (p<0.001) compared to the controls. On comparing the duration of exposure of pesticide and the PEFR values by unpaired Students t-test, there was a significant difference with p value of 0.03. Blood Pressure did not show any significant difference between the two groups. But the pulse rate was significantly decreased among the farmers (p<0.001) which could be due to their regular physical activity. About 71% of the farmers used personal protective equipments. Conclusion: Thus, chronic exposure to organophosphorus pesticides has an impact on PEFR among the farmers. PMID- 29207698 TI - Protective effects of Ethanolic Extract of Emblica officinalis (amla) on Cardiovascular Pathophysiology of Rats, Fed with High Fat Diet. AB - Introduction: Dietary high fat alters lipid profile and possibly induce sympatho vagal imbalance. Emblica officinalis is found to be potential antioxidant and possibly counteract hyperlipidemia induced lipid peroxidation. Aim: To assess Ethanolic extract of Emblica Officinalis (EEO) as lipid lowering and cardiovascular protective agent against high dietary fat supplemented to experimental rats. Further to study a comparative analysis between EEO and atorvastatin on hyperlipidemia and cardiovascular integrity. Materials and Methods: EEO was prepared and phytochemical analysis was done. Rats were divided into five groups, having six rats in each group as following; Group I-control (20% fat); Group II (+ EEO 100 mg/kg body wt); Group III (fed with high fat diet; 30% fat); Group IV (fed with high fat diet; 30% fat + EEO 100 mg/kg body wt) and Group V (fed with high fat diet; 30% fat + atorvastatin 4 mg/kg body wt). The treatments were continued for 21 days. Gravimetric parameters and electrophysiological parameters {Heart Rate (HR), sympatho-vagal balance} were recorded and lipid profiles of all the groups were measured. ANOVA, correlation and multiple regressions were done for analysis of data. Results: Significant alteration in serum lipid profile was observed in rats fed with high dietary fat but supplementation of EEO was found to be reversible. Electrophysiological evaluation revealed altered HR and sympatho-vagal balance in high dietary fat fed rats (Group III) which indicate cardiac autonomic malfunctions which were found to be improved in Emblica officinalis supplemented group of rats (Group IV). Further, analysis has shown significant negative correlation between HDL/LDL and sympatho-vagal balance in all groups of rats which clearly indicate a role of dietary fat on sympatho-vagal balance. These results further corroborated with findings of histopathological study on myocardium and elastic artery. Conclusion: Observations from the study indicate a beneficial role of ethanolic extract of Emblica officinalis (amla) on dyslipidemia and cardiac autonomic functions in rats treated with high fat diet. PMID- 29207699 TI - Effect of 12 Weeks of Yoga Therapy on Quality of Life and Indian Diabetes Risk Score in Normotensive Indian Young Adult Prediabetics and Diabetics: Randomized Control Trial. AB - Introduction: India has become the epicentre for diabetes, a stress-related disorder affecting the working skills and day-to-day lifestyle management of younger population. Most of the studies have reported the effect of yoga on improving Quality of Life (QoL) in diabetic patients with other comorbidities. Till date, no randomized control trial reports are available to show the effect of yoga therapy on QoL and Indian Diabetes Risk Score (IDRS) in normotensive prediabetic and diabetic young individuals. Aim: To determine the effect of 12 weeks of yoga therapy on QoL and IDRS among normotensive prediabetic and diabetic young Indian adults. Materials and Methods: A randomized control trial was conducted in Endocrinology Outpatient Department (OPD). Normotensive participants (n=310) aged 18-45 years were divided into healthy controls (n=62), prediabetics (n=124) and diabetics (n=124). Study group subjects were randomly assigned to Group II (n=62, prediabetes-standard treatment), Group III (n=62, prediabetes standard treatment + yoga therapy), Group IV (n=62, diabetes-standard treatment) and Group V (n=62, diabetes-standard treatment + yoga therapy). Flanagan QoL scale, IDRS questionnaire, Fasting Plasma Glucose (FPG) and insulin were assessed pre and post 12 weeks of intervention. Statistical analysis was done using Student's paired t-test and one-way ANOVA. Results: Pre-post intervention analysis showed significant improvement in QoL scale with p<0.01 in Group II and Group IV; p<0.001 in Group III and Group V respectively. There was significant reduction in IDRS in Group II (p<0.05); p<0.001 in Group III, Group IV and Group V respectively. Significant difference (p<0.001) in QoL scale and IDRS were found when study groups with standard treatment along with yoga therapy were compared to standard treatment alone. Conclusion: Yoga therapy along with standard treatment for 12 weeks improved QoL and attenuated the diabetes risk among Indian prediabetics and diabetics compared to standard treatment alone. PMID- 29207700 TI - Statistical Significance is Prerequisite in Study. PMID- 29207701 TI - Characterization of Vancomycin Resistant Enterococci in Hospitalized Patients and Role of Gut Colonization. AB - Introduction: Enterococci are part of the normal intestinal flora and have been recognized as important human pathogens. Vancomycin Resistant Enterococci (VRE) are global threat as this resistance is transmissible and also poses a challenge for infection control. Aim: This study was undertaken to study phenotypic and genotypic characteristics of VRE from clinically significant infections among hospitalized patients and their association with gut colonization. Materials and Methods: Clinically significant isolates of enterococci (n=250) were studied. Species confirmation was done by Polymerase Chain Reaction (PCR). Minimum Inhibitory Concentration (MIC) for vancomycin was determined by E-test. PCR for VanA, VanB and VanC1 gene was done for genotypic characterization. MIC for teicoplanin, linezolid, tigecycline, daptomycin and quinupristin-dalfopristin was determined by E test. Patients with VRE infection were screened for gut colonization using vancomycin screen agar (6 MUg/mL). Continuous data was analysed using the Student's t-test. Categorical data was assessed using Pearson's Chi-square test. A value of p <= 0.05 was considered statistically significant. Results: There was good correlation between the phenotypic and genotypic methods used for species identification and detection of vancomycin resistance. E. faecium (162, 64.8%) was most common followed by E. faecalis (82, 32.84%) and E. gallinarum (6, 2.4%). Overall higher resistance was observed among E. faecium. Vancomycin MIC >= 2 MUg/mL was noted in 63 (25.2%) isolates. Fifty seven isolates showed presence of vanA and vanC1 was detected in six isolates of E. gallinarum. Isolates with VanB genotype was not detected in the present study. MIC50 (MUg/mL) for teicoplanin, linezolid, tigecycline, daptomycin and quinupristin-dalfopristrin was 24, 0.75, 0.064, 2 and 0.064 respectively. Resistance to linezolid (1, 1.6%) and tigecycline (2, 3.2%) was rare. Majority (33/47, 70.2%) patients with clinically significant VRE infection showed gut colonization. Conclusion: Vancomycin resistance among enterococci is emerging. Emergence of tigecycline and linezolid resistance is also posing a challenge for clinicians. Thus, further investigations are warranted to control vancomycin resistance among pathogens. PMID- 29207702 TI - Nagging Presence of Clostridium difficile Associated Diarrhoea in North India. AB - Introduction: Clostridium Difficile Associated Diarrhoea (CDAD) is a significant cause of morbidity in hospitalised patients worldwide. The data on clinical epidemiology of this disease in Indian subcontinent is scarce. Aim: To evaluate the risk factors and clinical course of patients with CDAD. Materials and Methods: A cross-sectional study was planned at our tertiary care centre, All India Institute of Medical Sciences, whereby, all patients who had nosocomial diarrhea between 2010 and 2014 were included in the study. Their clinical and laboratory profile were recorded using structured questionnaire and their stool samples were subjected to ELISA for detection of toxins A and B (Premier toxins A and B). Those patients who had toxins A and B in their stool samples were diagnosed as CDAD. The clinical and laboratory profile of CDAD patients were further analysed. Results: A total of 791 patients with nosocomial diarrhea were included in this study. CDAD was diagnosed in a total of 48(6%) patients. The year wise breakdown of the positive patients is as follows: 7/135 (5.2%), 4/156 (2.6%), 5/141 (3.5%), 9/193 (4.7%) and 23/166 (13.8%), respectively. A total of 16/48 (33.3%) of CDAD cases belonged to the age group of 51-60 years. Malignancy (n=15, 31.25%) was the most common underlying pathological condition. All the patients had a history of antibiotic intake. Most common antibiotic used in the patients of CDAD was third generation cephalosporins (n=27, 56.25%). The use of clindamycin, carbapenems and colistin increased in the year 2014. Mean duration of hospital stay was 9.8 days. Diarrhoea was associated with fever in 50% of the patients while abdominal pain was seen in 39.6% of the patients. Conclusion: The control of Clostridium difficile infection suffers from the rampant use of higher antibiotics. There is a need for proper implementation of antimicrobial stewardship programmes and better hospital infection control to stop the transmission of this nagging bug. PMID- 29207703 TI - Diagnosis of Acute Q Fever by Detection of Coxiella burnetii DNA using Real-Time PCR, Employing a Commercial Genesig Easy Kit. AB - Introduction: Query (Q) fever is an important zoonosis and a cause of concern for humans, due to the potential bioterrorism threat posed by the causative agent, Coxiella burnetii. Because of the danger of contracting the illness, isolation attempts are seldom made. Serological and molecular diagnostic tests are the main option. Aim: To study the prevalence of acute Q fever in Puducherry and surrounding districts of Tamil Nadu, India, employing a new commercial Real-Time Polymerase Chain Reaction (RT-PCR) kit and confirming it by the gold standard Immunofluorescence Assay (IFA). Materials and Methods: Acute phase blood samples from 72 consecutive febrile patients and 24 healthy individuals were included in this prospective study. DNA was extracted from the buffy coats and preserved at 80 degrees C. Detection of C. burnetii was carried out employing a commercial Real-Time PCR kit. Serum samples were tested for IgM (Phase I+II) and IgG (Phase I+II) by QM-120 and QG-120, Coxiella burnetii IFA Fuller Laboratories, California, USA. Sensitivity, Specificity, Positive Predictive Value (PPV) and Negative Predictive Value (NPV) were calculated keeping IFA as the reference. Results: Presumptive diagnosis of acute Q fever was made in two febrile patients by the Genesig Easy kit (2.78%). In addition to these two PCR positive cases, one more patient was positive for both Phase II IgM and Phase II IgG antibodies by the gold standard IFA. All 24 healthy controls were negative for Q fever by both PCR and IFA. The sensitivity, specificity, NPV and PPV for Genesig Easy kit PCR were: 66.67%, 100%, 100% and 98.57 % respectively against IFA as the reference. Conclusion: The true prevalence of Q fever in India and other developing countries is poorly understood, owing to the difficulties in the diagnosis of this infection. Since molecular diagnostic tests have good specificity and are mandated for confirmation of single acute samples, validation of commercial Q fever PCR kits is the need of the hour. Genesig Easy kit in our hands was found to be reliable with the moderate sensitivity and high specificity. Performing both PCR (with acute specimens) and IFA (with paired sera) would be ideal for Q fever diagnosis. PMID- 29207704 TI - Opportunistic Microorganisms in Oral Cavity According to Treatment Status in Head and Neck Cancer Patients. AB - Introduction: Cancer patients receiving chemotherapy and/or radiation therapy are prone to many predisposing factors like immunosuppression, imbalance in the oral flora, hypo-salivation and local tissue damage. Therefore, considered to be at higher risk for oral bacterial and fungal infection than the general population. Aim: To study oropharyngeal flora in head and neck cancer patients under treatment and to correlate their incidence according with Chemotherapy cycles and Radiochemotherapy. Materials and Methods: Total 110 patients were selected for study, those were further divided into two groups, group I under Chemotherapy (CT) - 55 patients and group II under Radiochemotherapy (RCT) - 55 patients and 50 healthy individuals were taken as control. Saliva sample was collected from control and study group and inoculated on Blood agar, MacConkey agar and Sabouraud's Dextrose Agar (SDA). The identification of bacterial and fungal isolates was done by standard microbiological methods and result was calculated according to cycles of Chemotherapy and Radiochemotherapy combined. Significant differences between patients were tested using the Chi-square test or Fisher's exact test. A p-value less than 0.05 was considered as statistically significant. Result: There were 149 culture isolates from 110 patient in which Gram Negative Bacilli (GNB) found in 63.6%, Candida spp. in 50%, Staphylococcus aureus in 8% and Normal commensal of oral cavity in 13.6% patients in study group and this was higher than control group and this difference was statistically significant in relation to all isolates individually. Relatively more microorganism were isolated during RCT (56%) in compare to CT alone (44%), among GNB- Pseudomonas (27.7%,32.3%) and Klebsiella (25%,29.4%) were most frequently isolated during CT, RCT respectively. Candida spp. were more commonly isolated from patient on RCT (63.6%) than CT (36.3%) when compared to control group (20%) among which C. tropicalis was more prevalent species. Both GNB & Candida spp. were more commonly isolated in later chemotherapy cycles (CT4, CT5 CT6). Conclusion: Colonisation of Gram negative bacilli & Candida spp. is directly related to number of chemotherapy cycles and combined cancer therapy. Hence, prophylactic medication for these two organisms should be incorporated along with cancer therapy. PMID- 29207705 TI - Serum Vitamin D Level as a Risk Factor for Female Genital Tuberculosis (FGTB). AB - Introduction: Vitamin D is now known to be essential to Mycobacterium tuberculosis containment and killing through activation of 25-hydroxyvitamin-D receptors (VDRs) present on all immune cells or obtained from dietary food stuffs as either vitamin D3 or vegetable vitamin D2 (also known as ergocalciferol). Aim: To evaluate the association of serum vitamin D level between the Female Genital Tuberculosis (FGTB) cases and healthy controls. Materials and Methods: Total 120 cases and 120 controls enrolled for the study following inclusion and exclusion criteria. Detailed clinical history was taken from each subjects. Total of 3 ml of the blood was collected in EDTA vial from each subject (case and control). Quantification of serum vitamin D level was measured by active human vitamin D ELISA kit using an ELISA reader. Statistical analysis was done using Statistical Package for Social Science (SPSS) version 21.0. A p-value <0.05 was considered as significant. Results: A total of 120 confirmed FGTB cases and 120 healthy control enrolled for study. Out of 120 women 97.5%, 10.0%, 3.3%, 3.3% were detected positive for M. tuberculosis respectively. Comparing the mean demographic value of age and BMI were (29.03+/-3.127, 28.03+/-3.00) and (22.92+/-3.33, 24.15+/ 3.97) respectively with the p=0.012* and p=0.010* found to be significant among cases and controls. The mean serum vitamin D level was 14.96+/-8.81 in cases and 23.00+/-8.83 in controls with p-value<0.001. There was a significant positive association found in low serum vitamin D level among FGTB cases than controls. Conclusion: Vitamin D is important for normal immune cell function, as well as regression of FGTB disease. FGTB may be controlled by regulating the serum vitamin D level concentration. This study suggests that, vitamin D deficiency and BMI is strongly associated with the progression of active FGTB disease which alters the expression of antimicrobial peptide and lead to the persistence of TB infection. Therefore, serum vitamin D level may play an important role in treatment of FGTB. PMID- 29207706 TI - Detection of blaCTX-M Extended Spectrum Beta-lactamase Producing Salmonella enterica Serotype Typhi in a Tertiary Care Centre. AB - Introduction: Infections caused by Salmonella are an important public health threat in tropical and subtropical countries. Due to the emergence of resistance to ampicillin, chloramphenicol and trimethoprim/sulfamethoxazole (multidrug resistant salmonellae) in the late 1980s, fluoroquinolones and extended spectrum cephalosporins became the drugs of choice. Resistance to cefotaxime and ceftriaxone due to the production of Extended Spectrum Beta-Lactamase (ESBL) and reduced susceptibility to ciprofloxacin have emerged resulting in treatment failure. The Cefotaximase (CTX-M) type ESBLs are the most widespread beta lactamase among Enterobacteriaceae including salmonellae. Aim: To detect the presence of blaCTX-M in salmonellae causing human infections. Detection of qnr genes to identify the coexistence of blaCTX-M and qnr gene. Materials and Methods: The study included 103 consecutive, non-repetitive salmonellae isolated from clinical specimens obtained from July 2015- June 2016 which were identified up to species level by conventional/automated methods. Susceptibility to various classes of antimicrobial agents was determined by disc diffusion method. Minimum Inhibitory Concentration (MIC) to cefotaxime and ceftriaxone was determined by agar dilution method. The results were interpreted in accordance with Clinical & Laboratory Standard Institute (CLSI) (guidelines 2015. Detection of the ESBL phenotype was performed by the combined disk method. Polymerase Chain Reaction (PCR) amplification of all isolates was performed using group specific primers to characterize the presence of blaCTX-M, qnrA, qnrB and qnrS. Result: Of the 103 study isolates two isolates of Salmonella typhi were resistant to cefotaxime and ceftriaxone and had a MIC of 128MUg/ml. PCR amplification and sequencing detected the presence of blaCTX-M-15 in these two isolates. These two isolates exhibited resistance to ciprofloxacin in vitro but qnr gene was not detected in these isolates. Conclusion: Resistance to third generation cephalosporins among salmonellae is a cause for concern as it may lead to treatment failure. It is imperative to continuously monitor the susceptibility pattern as enteric fever is endemic in India. PMID- 29207707 TI - Diagnostic Approach to Viral Acute Encephalitis Syndrome (AES) in Paediatric Age Group: A Study from New Delhi. AB - Introduction: Acute Encephalitis Syndrome has heralded the emergence of multiple virulent pathogens, which may result in severe morbidity and mortality. In India, encephalitis is not notified and there has been a dearth of analysis for trends in encephalitis death rates and causation. A downward trend has been observed in encephalitis deaths, due to 'known' causes, which can be largely explained by improvement in diagnostic, treatment, and prevention methods. There is still a very high proportion of encephalitis deaths in developing countries, where the aetiological diagnosis of the pathogen is not established and thus, lies the importance of monitoring encephalitis morbidity and mortality with a view to improve pathogen diagnosis and identify emerging infectious diseases. Aim: To formulate a diagnostic approach to viral acute encephalitis syndrome in paediatric age group. Materials and Methods: A cross-sectional study including 50 paediatric patients, clinically diagnosed with acute encephalitis syndrome using WHO criteria was conducted. The CSF of all the patients was evaluated to diagnose the aetiology for viral pathogens. ELISA was used for diagnosing Japanese encephalitis and dengue encephalitis; and multiplex real time PCR was used for detecting HSV-1, HSV-2, Varicella zoster virus, Mumps virus, Enterovirus and Parechovirus. Results: Confirmed diagnosis was established in 11 (22%) of 50 cases. A confirmed or probable viral agent of encephalitis was found in 7 (14%), bacterial agent was found in 2 (4%), non-infectious aetiology was found in 2 (4%). Fatal outcome was independently associated with patient age. Conclusion: Despite extensive testing, the aetiologies of more than three fourth of the cases remains elusive. Nevertheless the result from the present study may be useful for future design of early diagnosis and treatment of the disease. New strategies for pathogen identification and continued analysis of clinical features and case histories should help us improve our ability to diagnose, treat and prevent encephalitis. PMID- 29207708 TI - In Vitro Anti-Cariogenic Plaque Effects of Essential Oils Extracted from Culinary Herbs. AB - Introduction: Cariogenic bacteria including mutans streptococci and lactobacilli are partly but significantly involved in dental caries development. An effective prevention strategy against dental caries is to decrease the accumulation of this microbiota either in planktonic or in biofilm form. Aim: To examine the antimicrobial and anti-plaque effects of some culinary herbs (spices), so the herbs are plausibly used as alternative and effective herbal plaque control supplements to promote good oral health. Materials and Methods: Essential oils extracted from sweet basil (Ocimum basilicum), cinnamon bark (Cinnamomum zeylanicum), sweet fennel (Foeniculum vulgare), kaffir lime (Citrus hystrix), black pepper (Piper nigrum), peppermint (Mentha piperita), and spearmint (Mentha spicata) were primarily examined for their antimicrobial activities against the cariogenic bacteria (Streptococcus mutans KPSK2 and Lactobacillus casei) using the agar disk diffusion and broth microdilution methods, respectively. These essential oils were then analysed for anti-plaque effects (retardation of S. mutans biofilm formation and reduction of the in vitro established biofilm). This experimental study was performed at the Department of Oral Microbiology, Faculty of Dentistry, Mahidol University during June 2015 till August 2016. Results: All selected essential oils showed different degrees of antimicrobial activity against the planktonic form of both cariogenic bacteria. Cinnamon bark essential oil expressed the strongest inhibitory effect against S. mutans {MIC of 0.08% (v/v)} and L. casei {MIC of 0.16% (v/v)}, whereas the weakest effect was found in kaffir lime essential oil {MIC values of 2.5% and 5.0% (v/v) for S. mutans and L. casei, respectively}. Up to 80% of S. mutans biofilm was retarded to form on the substratum primed with these spice essential oils, especially cinnamon oil. The preventive effect of these oils was in dose- and exposure time-dependent manners. For reductive effect against the 24-hour pre-established S. mutans biofilm, at least 50% of the biofilm mass was reduced when the biofilm was treated with each essential oil at the MIC for an hour. The reductive effect against the in vitro established S. mutans biofilm of these culinary herb essential oils only depended on the exposure time. Conclusion: Cinnamon and sweet basil essential oils with impressive in vitro anti-cariogenic bacteria and anti-plaque effects may be proposed as alternative and effective supplements to promote oral health status. PMID- 29207709 TI - Isolation of the Rare Opportunistic Yeast Saprochaete capitata from Clinical Samples-Experience from a Tertiary Care Hospital in Southern India and a Brief Review of the Literature. AB - Introduction: Saprochaete capitata (Teleomorph: Magnusiomyces capitatus) is a ubiquitous yeast found in environmental sources such as soil, water, air, plants and dairy products. It is also a part of the normal microbial flora in humans. The yeast is being increasingly reported as an opportunistic pathogen, especially in patients in the haemato-oncology setting, the infection being often mistakenly diagnosed as invasive candidiasis. Aim: To review the epidemiological, clinical and microbiological features of six patients admitted in our hospital over a period of 10 years (from January 2007 to December 2016), from whom Saprochaete capitata was isolated. Materials and Methods: A retrospective study was conducted and the epidemiological, clinical, imaging and microbiological data of the six patients were collected and analysed. Results: The age of the six patients ranged from 19 years to 65 years with a median age of 53 years. There were two males and four females. In three out of the six patients, the isolation of S. capitata was considered clinically significant as the yeast was isolated repeatedly from blood and/or respiratory specimens and the clinical features could not be explained by any other alternative diagnosis. Haematological malignancy was the underlying disease in three out of the six patients while one patient was on triple immunosuppression following renal transplantation four years back. Three out of the six patients had severe neutropenia with Absolute Neutrophil Count (ANC) <= 500 at the time of isolation of S. capitata. Two patients with clinical features of fungal sepsis received antifungal therapy with Amphotericin B but succumbed within a short period of starting the therapy. The post renal transplant patient who presented with pneumonia recovered after treatment with a combination of Amphotericin B and Voriconazole. Conclusion: Awareness regarding the epidemiological, clinical and microbiological aspects of invasive infections caused by S. capitata is essential for early recognition and appropriate management. PMID- 29207711 TI - Universal Presence of blaNDM-1 Gene in Carbapenem-Resistant Gram-Negative Bacilli in an Indian Hospital in 2015. PMID- 29207710 TI - A Case of Keratomycosis Caused by Fusarium Solani at Rural Tertiary Care Center. AB - Keratomycosis is defined as invasive infection of corneal stroma caused by variety of fungi. Most of these cases occur in agricultural workers with history of corneal trauma with vegetative matter contaminated by fungi. Fusarium species which causes keratomycosis receives occasional mention in literature. We report a case of a 27-year-old male, farmer by occupation presented with complains of foreign body sensation, itching and discharge from the right eye and developed white patch on cornea which was progressed gradually to size of diameter of pea which was later diagnosed as keratitis caused by Fusarium species. PMID- 29207712 TI - Role of HER-2/neu in Premalignant and Malignant Lesions of Uterine Cervix. AB - Introduction: In light of literature and controversy that exists in various cervical lesions, this prospective study was designed to explore the expression of Human Epidermal Growth Factor Receptor-2 (HER-2/neu) in the cervical lesions and its correlation with the histopathological grade and type of tumour. Immunohistochemistry (IHC) was performed to evaluate HER-2/neu expression as it is the most reliable method of detecting overexpression of HER-2/neu. Aim: To assess the role of HER-2/neu expression in premalignant and malignant lesions of uterine cervix. Materials and Methods: Seventy cases of premalignant and malignant cervical lesions received in our department from January 2015 to December 2016, were included in study and Polyclonal Rabbit Anti-Human c-erbB-2 oncoprotein from DAKO was used. Standard streptovidin-biotin peroxidase method of IHC was followed. A golden brown membrane and cytoplasmic staining was taken as a positive reaction and intensity of expression was graded according to the 2014 ASCO/CAP guidelines for HER-2/neu reporting. Results: Out of total 70 cases, HER 2/neu expression scores were 0 in 64.3% {23 cases of Cervical Intraepithelial Neoplasia (CIN) and 22 of Squamous Cell Carcinoma (SCC)}, +1 in 22.9%, (04 cases of CIN and 12 of SCC) +2 in 10% (06 cases of SCC and 01 of adenosquamous carcinoma) and +3 in 2.9% (02 cases of adenocarcinoma) cases. HER-2/neu overexpression rate was significantly higher in malignant (48.8%) as compared to pre malignant (14.8%) cases (p=0.004) and expression scores were higher (+2 and +3) in 20.9% of malignant cases as compared to none of pre malignant cases (p=0.020). Significant higher HER-2/neu scores are seen (+2 and +3) in all the adenocarcinoma cases as compared to 15% cases of SCC (p<0.001). Among malignant cases, HER-2/neu expression was statistically significantly higher in {Moderately Differentiated (MD) + Poorly Differentiated (PD)} 59.09% as compared to {Well Differentiated (WD)} 38.09% cases (p=0.090). Conclusion: Study shows that expression of HER-2/neu is relatively lower in cervical lesions. However, the results of our study show that with shift from well to poorly differentiated lesions; the HER-2/neu expression rate shows an incremental trend. PMID- 29207713 TI - Analysis of Patient's Satisfaction with Phlebotomy Services in NABH Accredited Neuropsychiatric Hospital: An Effective Tool for Improvement. AB - Introduction: Patient's satisfaction is the need of the hour and one of the most important quality indicators in the laboratory medicine. Aim: To assess the patient's satisfaction with phlebotomy services in a neuropsychiatric hospital by a structured questionnaire with grading scale. Also, identify the problems causing dissatisfactions and to undertake necessary Corrective and Preventative Action (CAPA). Materials and Methods: Total 1200 patients were randomly selected over a period of two months (June and July 2016). A structured self designed questionnaire (feedback form) was devised in both Hindi and English languages containing ten questions with a grading scale for each question. It also included suggestions from the users. All the selected patients or their attendants filled up this questionnaire. At the same time, they were also interviewed by phlebotomy staff. A statistical analysis was conducted using SPSS version 16.0 software and Likert scale. Results: A total of 94% of the patients were satisfied with the phlebotomy services. Almost 30.0% patients found the phlebotomy services to be very good, but the majority of them (40.5%) found it to be good and another 23.5% found it to be satisfactory while, 4% found the services to be poor and 2% found it to be very poor. The highest rate of satisfaction (4.21) was noted in case of parameter-ease to find collection sample room and lowest rate of satisfaction (3.92) was scored by the parameter-staff's wearing proper uniform. Depending upon the deficient areas some corrective actions were suggested such as strict compliance of personal protective equipments, regular training to improve technical skill, knowledge and behaviour with emphasis on cleanliness of work area. Conclusion: Even though the overall patient's satisfaction was high, there were areas which needed our attention such as waiting time for phlebotomy procedure, lack of proper sitting arrangement, techniques of sample collection, knowledge of universal precautions etc. Appropriate corrective and preventive actions were taken to solve the problems. Thereby, feedback proved effective in maintenance and improvement of phlebotomy services. PMID- 29207714 TI - Paediatric Peripheral Primitive Neuroectodermal Tumour - A Clinico-Pathological Study from Southern India. AB - Introduction: Primitive Neuroectodermal Tumour (PNET)/Ewing Sarcomas (ES) are aggressive childhood malignancies with neuroectodermal differentiation. Aim: To study the clinical presentation, morphology, Immun-ohistochemistry (IHC), management and outcome of all the cases of paediatric pPNET/ES reported in our tertiary care centre over a period of six years. Materials and Methods: This was a retrospective study conducted at Sri Ramachandra Medical College and Research Institute, Chennai, India. All biopsy proven cases of peripheral PNET/ES, in patients less than 18 years of age for a period of six years were included in this study. The corresponding clinical details regarding initial presentation, treatment and follow up were retrieved from the case files and analysed. Survival rate was calculated and Kaplan-Meier survival curve was plotted. Results: We describe eleven cases of paediatric peripheral PNET/ES. The mean age at presentation was 94.08 (+/-58.27) months with a male/female ratio of 1.2:1. About 27.3% cases, all male with a mean age of 140 months at presentation, had distant metastasis during initial diagnosis. Biopsy showed small round blue cell morphology on light microscopy. IHC revealed strong membranous staining for CD99 in all cases. All children were treated with neo-adjuvant chemotherapy and then surgery, followed by radiotherapy if indicated. The cases were followed up for a mean duration of 20.82 months (ranging from one to 66 months). Nine children are doing well on follow up (81.8% survival rate). Two cases with metastasis at initial presentation died. Patients with metastatic disease exhibited a mean duration of survival of 9.66 (+/-7.24) months and those with localized disease exhibited a mean duration of survival of 25 (+/-22.88) months. Conclusion: Metastasis at diagnosis is the single most important factor affecting prognosis. This was reflected in the present study where cases with metastasis exhibited a short mean duration of survival when compared to localized disease. It is likely that many cases of PNET/ES were not accurately identified in the past as IHC plays a vital role in the diagnosis of these small round blue cell tumours. IHC in adjunct with molecular studies has improved diagnostic accuracy. Multidisciplinary management and good supportive care when the lesion is localized has lead to improved survival. PMID- 29207715 TI - A Correlative Study between Platelet Count, Mean Platelet Volume and Red Cell Distribution Width with the Disease Severity Index in Psoriasis Patients. AB - Introduction: Platelet activation is presumed to play an important role in the immunoinflammatory reactions. Several recent studies on a variety of inflammatory disorders have used Mean Platelet Volume (MPV) as a marker for platelet activation. Aim: To determine the relationship between haematological parameters and disease severity index in psoriasis patients. Materials and Methods: A Case control study was carried out on 50 psoriatic patients and 50 healthy control subjects. Ten haematologic parameters were compared between patients and control subjects. These parameters were also correlated in patients with PASI (Psoriasis Area and Severity Index) score. The data was statistically analysed using IBM SPSS software (Version 21). Spearman Rank Correlation was used to find the correlation between PASI and haematological parameters. Results: When all the patients were considered together, mean values for MPV, Platelet Count (PLT) and Red Cell Distribution Width (RDW) were significantly different between the two groups (Control and Patients). While MPV and RDW were raised, PLT was reduced in patients of both sexes when compared with controls. In Male patients the MPV and RDW showed statistically significant correlation with Psoriasis Area And Severity Index (PASI) (MPV <0.01; RDW<0.05), whereas PLT though reduced in both sexes when compared with controls, it showed significance in female patients alone (p <0.01). Conclusion: The mean values for MPV and RDW were higher and mean platelet values were lower in patients than controls. The MPV values in male patients and Platelet counts in female patients showed strong positive and negative correlation respectively with the PASI score. It can be concluded that rising MPV and decreasing PLT could be good indicators of disease severity and progression. These indicators could also help in assessing the treatment course of the disease. PMID- 29207716 TI - Expression of p16INK4A Protein in Cervical Intraepithelial Neoplasia and Invasive Carcinoma of Uterine Cervix. AB - Introduction: Cervical cancer still ranks as the most frequent cancer among women in India. Infection with Human Papilloma Virus (HPV) results in precancerous lesions and invasive cervical cancer. Interaction of HPV oncogenic proteins with cellular regulatory proteins leads to upregulation of p16INK4A, a cyclin dependent kinase inhibitor. Therefore, p16INK4A overexpression is a surrogate biomarker of HPV infection making it useful in evaluating HPV associated premalignant and malignant lesions of gynaecological tract. Aim: This study was conducted to evaluate the usefulness of p16INK4A as a biomarker in dysplastic and malignant alteration of cervical epithelium.Materials and Methods: A total of 57 specimens diagnosed histopathologically as cervical dysplasia or malignancy were included in this prospective study of two year duration. Immunohistochemical (IHC) study of p16INK4A expression was performed on normal cervical tissue samples, Cervical Intraepithelial Neoplasia (CIN) 1, CIN 2, CIN 3, squamous cell carcinoma, adenocarcinoma. Expression was scored by two methods. One was simple positive versus negative p16INK4A staining and the other method was a semi quantitative IHC scoring (0 to 8 points) according to the intensity of staining and the proportion of stained cells. The collected data was entered in excel sheet and analysed using Statistical Package For Social Science (SPSS) 16.0 software and the descriptive statistics, Chi-square test. The p-value of <0.05 was considered statistically significant. Results: Nuclear and/or cytoplasmic p16INK4A immunoreactivity was absent in normal cervical tissue, while immunopositivity was 25% in CIN 1, 50% in CIN 2, 75% in CIN 3, 75% and 100% in squamous cell carcinoma and adenocarcinoma respectively. All normal cervical samples had low scores (0 to 2 points), while number of cases with high scores was proportional to the degree of cervical dysplasia or invasive carcinoma. p16INK4A immunostaining with higher expression (score>5) was observed in 75% cases of carcinoma cervix. Conclusion: IHC expression of p16INK4A is related to degree of histological dysplasia and malignancy, suggesting its prognostic and predictive value in the management of cervical cancers. PMID- 29207717 TI - Heterotopic Prostate at Autopsy- An Unusual Mass at the Dome of the Urinary Bladder. AB - Heterotopic prostate in the dome of the urinary bladder is extremely rare and difficult to diagnose. It is often mistaken for neoplastic masses and histopathological examination is warranted for diagnosis. We report an autopsy case of an ectopic prostate at the dome of the bladder which mimicked a neoplasm on gross pathology. PMID- 29207718 TI - An Alpha Fetoprotein Producing Gastric Tumor with Yolk Sac, Hepatoid and Papillary Adenocarcinoma Components. AB - Alpha Fetoprotein (AFP) producing gastric carcinomas are very rare and have unique clinicopathological features and an extremely poor prognosis. Here, we report a case of AFP producing gastric carcinoma with three distinct histomorphologic patterns such as yolk sac like, hepatoid, tubular and papillary adenocarcinoma components. The uniqueness of this case is absence of metastases and associated findings such as fundic gland polyposis with varying degrees of dysplasia, gastric and duodenal well differentiated neuroendocrine tumour and rectal ganglioneuroma. The patient is symptom free as of two and half year's postoperative period. AFP producing gastric tumours although rare, need to be identified as it is known to carry poor prognosis. PMID- 29207719 TI - Approach to a Pregnant Woman with Anti D + Anti C Reactivity Pattern: A Diagnostic Conundrum. AB - The Rhesus G antigen is present on all RBCs that are C+ and also on most D+ RBCs. Due to this co-distribution of G with either C or D antigen, it mimics a reactivity pattern of anti C + anti D on Indirect Antiglobulin Test (IAT), though the role of Anti G in causing Hemolytic Disease of Newborn (HDN) is controversial. The differentiation of anti D, anti C, and anti G is essential particularly in pregnant females. We hereby report a rare case of anti G with anti D and anti C in a pregnant woman with emphasis on approach to identify anti D+C+G and its implications. PMID- 29207720 TI - Locally Aggressive Primary Intraosseous Paraganglioma of Sacrum. AB - Primary Intraosseous Paraganglioma (PGL) of sacrum is highly uncommon. Few of the spinal PGL reported were mostly intradural mass. Paraganglionic tissue is usually not present in the bone. So far, only seven cases of primary intraosseous sacral PGL have been reported in the literature. There are no dependable prognostic histological features to differentiate benign from malignant PGL. The only unequivocal criterion for malignancy is metastasis to an organ where paraganglionic tissue is normally not present. However, an aggressive nature can be identified histologically by loss of architecture, decreased or absent sustentacular cells and Ki-67 index of >3%. We report a case of an elderly male who was admitted with complaints of swelling in the lower back with associated radiating pain and difficulty in sitting of two months duration. A diagnosis of sacral chordoma was made on Magnetic Resonance Imaging (MRI). No other mass was detected elsewhere in his body. The patient underwent surgical excision followed by radiotherapy. On histopathology and immunohistochemistry, a diagnosis of locally aggressive primary intraosseous PGL of sacrum was rendered. Hence, when evaluating a lytic sacral mass, PGL has to be considered as a differential diagnosis. PMID- 29207721 TI - Anorectal Melanoma: An Unusual Cause of Rectal Bleeding. AB - Anorectum is a rare site for primary melanoma. It is an aggressive cancer with poor prognosis. The diagnosis is often delayed due to non-specific signs and symptoms. Clinically, it is often misdiagnosed as hemorrhoids. The cytological diagnosis can be challenging especially when melanin pigment is sparse or absent. Herein, we present a rare case of anorectal melanoma which was initially misdiagnosed as hemorrhoids. A final correct diagnosis was made on cytology when later on the patient developed inguinal metastasis. PMID- 29207722 TI - Thalassaemia Trait with Gaucher Disease: A Diagnostic Dilemma. AB - Gaucher Disease is an autosomal recessive disease caused by the accumulation of glucocerebrosidase due to deficiency in lysosomal glucocerebrosidase. Thalassaemia trait is asymptomatic and is usually an incidental diagnosis. Both thalassaemia and Gaucher disease can have similar haematologic manifestations and hence, their coexistence causes diagnostic dilemma. Our patient presented at one and-a-half years with weakness, pallor, failure to thrive and massive hepatosplenomegaly. Clinical examination and history pointed to a lipid storage disease. Peripheral smear revealed microcytic hypochromic cells and nucleated red cells with haemolytic blood picture. Thalassaemia trait was indicated on haemoglobin variant analysis using High Performance Liquid Chromatography. Liver biopsy, bone marrow aspirate and therapeutic splenectomy revealed Gaucher-like cells. Type 1 Gaucher disease can be clinically asymptomatic as well as present with massive liver and spleen enlargement and involvement of bone marrow. Anaemia, splenomegaly and thrombocytopenia are the usual presentations at diagnosis, similar to the haemoglobinopathies. Gaucher-like cells with normal beta-glucocerebrosidase (pseudo-Gaucher cells) are seen in thalassaemia, leukaemia, mycobacterial infections and myeloma. Gaucher disease coexisting with thalassaemia trait is uncommon. We report the occurrence of thalassaemia trait and Gaucher disease in a child, which resulted in confusion regarding the haematological diagnosis. This report highlights the necessity of independent establishment of the diagnosis in every patient so that appropriate management decisions are taken. PMID- 29207723 TI - Papillary Renal Cell Carcinoma with Tubercular Paraaortic Lymphadenopathy: A Blessing in Disguise. AB - Incidental Renal Cell Carcinoma (RCC) can be found in a tubercular kidney; however, the vice versa i.e., finding tubercular lymphadenopathy after radical nephrectomy for cancer is exceptionally rare. To the best of our knowledge, only two cases of coexistent renal cell carcinoma and tubercular paraaortic lymphadenopathy have been reported till date. Out of these, only one case was of papillary renal cell carcinoma. We hereby, report a rare case of papillary renal cell carcinoma with coexisting paraaortic tubercular lymphadenopathy, which was upstaged based on radiology findings. This case highlights the importance of considering the possibility of tuberculosis in cancer-associated lymphadenopathy. This can prevent unnecessary lymphnode dissection and inappropriate clinical upstaging in renal cancer patients. PMID- 29207724 TI - Diagnosis of Lafora Disease by Skin Biopsy. PMID- 29207725 TI - Rapid and Accurate Diagnosis of Acute Pyogenic Meningitis Due to Streptococcus Pneumoniae, Haemophilus influenzae Type b and Neisseria meningitidis Using A Multiplex PCR Assay. AB - Introduction: Acute bacterial meningitis is one of the major causes of morbidity and mortality in children and geriatric population, especially in developing countries. Methods of identification are standard culture and other phenotypic tests in many resource poor settings. Aim: To use molecular methods for the improvement of aetiological diagnosis of acute pyogenic meningitis in patients. Materials and Methods: CSF samples of 125 patients were included for the study. Gram staining and culture were performed according to standard procedures. Antigen was detected using commercial latex agglutination test kit. Multiplex PCR was performed using previously published primers and protocols. Fischer's exact test was used for finding association between presence of the disease and clinical/biochemical parameters, considering two tailed p<0.05 as statistically significant. Sensitivity, specificity, positive and negative predictive values were calculated using Graphpad QuicCalc software. Results: A total of 39 cases (31.2%) were confirmed to be of acute pyogenic meningitis based on biochemical methods. Only 10/39 was positive for the three organisms tested. Multiplex PCR was able to detect one additional isolate each of Streptococcus pneumoniae and Haemophilus influenzae type b. When compared with multiplex PCR as the gold standard, culture and latex agglutination tests had same sensitivity (80%), specificity (100%), PPV (100%) and NPV (97.8%), whereas Gram stain had poor sensitivity (40%) and good specificity (95.6%). Detection rates were higher in multiplex PCR for the two organisms Streptococcus pneumoniae and Haemophilus influenzae type b. Conclusion: Multiplex PCR was more sensitive than culture or antigen detection, and employing this assay can significantly increase the speed and accuracy of identification of the pathogen. PMID- 29207726 TI - Pleiotropic Effects of Losartan in Hypertensive Patients with Dyslipidemia. AB - Introduction: In essential hypertension, the comorbidity of dyslipidemia is very common. In addition to hypertension, dyslipidemia is linked to cardiovascular disease, stroke and decline in renal function. Unlike other angiotensin receptor blockers, Losartan has been claimed to have unique pleiotropic property and thereby decreasing the risk of future cardiovascular complications. Aim: The present study was done to assess on the pleiotropic effect of losartan in newly diagnosed hypertensive patients with dyslipidemia. Materials and Methods: Fifty four hypertensive patients with dyslipidemia who fulfilled the eligible criteria and were willing to give informed consent were included in the study after getting Institutional Ethical Committee (IEC) approval. All the study participants were given tab. Losartan 50mg once daily for four weeks. At the end of 1st, 2nd, 3rd and 4th week, blood pressure control and compliance were monitored. At the end of 4th week all the baseline laboratory parameters like renal function test, liver function test, lipid prolife and random blood sugar were performed. The EQ-5D questionnaires were completed at two points during the study: at the patient's initial visit before enrollment in the study and after 4 weeks of Losartan therapy. Appropriate statistical methods were used to analyse the results.The primary endpoint was reduction in blood pressure and improvement in lipid profile and improvement in quality of life score from baseline after 4 weeks of losartan therapy. Results: Four patients were withdrawn due to non compliance and totally 50 patients completed the study. The mean systolic blood pressure was reduced from 154.54 mm Hg to 138.16 mm Hg with p<0.0001 and the mean diastolic blood pressure was reduced from 91.56 mm Hg to 82.44 mm Hg with p<0.0001. There was a significant reduction in the mean total cholesterol from 189.52 to 180.46 mg/dl, mean LDL from 110.50 to 101.32 mg/dl and mean triglygeride from 135.68 to 127.70 mg/dl with p<0.0001. Improvements in anxiety and depression, as well as other dimensions in the QOL questionnaire, paralleled with improvement of the clinical picture. Conclusion: Based on the results of this study, Losartan is safe and effective in treating hypertensive patients with dyslipidemia in addition to its antihypertensive effect and it also has benefits of reducing serum glucose, lipid levels; and improvement in the quality of life. PMID- 29207727 TI - Effect of Cellular Mobile Phone Use and Cetrizine on Hand-Eye Coordination and Visual Acuity. AB - Introduction: Cellular mobile phones are a major cause of distraction especially while driving. The aggressive and inappropriate use of cellular mobile phones has increased the risk of accidents. Similar alerts are available in literature for certain substances and drugs (e.g. second generation anti H1 drug -Cetirizine) which also derange psychomotor performance and parameters of alertness. Aim: This study measured variations in hand-eye coordination and visual acuity due to use of cellular mobile phone in comparison to that of commonly used antihistaminic drug viz., single dose Cetirizine 10 mg. Materials and Methods: It was a single blind, single dose, interventional study, 100 healthy human volunteers divided into two groups. Baseline readings of all volunteers were noted. Group-I (n=50) was Cetirizine group (10mg orally stat), Group -II (n=50) Cellular mobile phone user group. Alertness was tested on hand- steadiness tester (Reaction Time Index = RTI) and on Flicker-fusion apparatus (visual acuity - Critical Flicker Fusion Frequency per second= CFFF/sec). Baseline readings of all volunteers were noted before intervention. Baseline was compared with readings at three hour post intervention and was analysed by paired t-test. Inter-group comparison of parameters was also done and was analysed by unpaired t-test. Results: The baseline RTI (95.46+/-41.74, 85.11+/-39.05) and CFF low and high (40.07+/-9.970, 40.76+/-9.309 and 40.42+/-9.035, 40.48+/-9.863) respectively, in Cetirizine group and Mobile user group were comparable. The RTI increased significantly (116.4+/ 51.46, 102.8+/-49.26) in both the groups after intervention. However, there is no significant change in CFF intensity from baseline in either group post intervention. Conclusion: Concurrent use of mobile phone while performing tasks, showed significant impairment of hand-steadiness which was comparable to that produced by single dose Cetirizine 10 mg and this may be one of the factors contributing to their close association with road traffic accidents. PMID- 29207728 TI - The Effect of Soy Isoflavones on the Menopause Rating Scale Scoring in Perimenopausal and Postmenopausal Women: A Pilot Study. AB - Introduction: Menopause is associated with many unpleasant symptoms which vary in different phases of menopausal transition. Although, Hormone Replacement Therapy (HRT) is considered the most effective mode of treatment for these symptoms, its use is associated with increased risk of breast cancer, endometrial cancer and thromboembolic events. Soy isoflavones are being widely used as a safer alternative to HRT, even though scientific evidence of their efficacy is poor or lacking. Aim: To study the effect of soy isoflavone supplementation on the menopausal symptoms in perimenopausal and postmenopausal women. Materials and Methods: An observational pilot study was done involving 29 perimenopausal and 21 postmenopausal women prescribed 100 mg soy isoflavones for 12 weeks. Menopause Rating Scale (MRS) questionnaire was administered to the patients before starting soy isoflavone therapy and at the end of treatment. Responses were analysed using Statistical Package for Social Sciences (SPSS) software 23.0. Results: Total score of both the groups were comparable at baseline. Among perimenopausal women highest score was given to symptoms of psychological domain. Urogenital symptoms were the worst among postmenopausal women. After 12 weeks of treatment, total scores improved significantly by 19.55% and 12.62% in the perimenopausal and postmenopausal women respectively. The greatest improvement was seen in scores of hot flashes for both the groups and the least improvement was shown by symptoms of urogenital subscale. Conclusion: Soy isoflavone improves the MRS score among both the perimenopausal and postmenopausal women. As they are most effective for somatic and psychological symptoms, their use could be beneficial during perimenopause. PMID- 29207729 TI - Comparison of Different Dosing Protocols of Anti-Snake Venom (ASV) in Snake Bite Cases. AB - Introduction: Considering the cost of Anti-Snake Venom (ASV) and irregularity in its supply, there is often a need to curtail doses of ASV, despite guidelines for management of snake bite. During June 2013 to September 2013, when ASV was in short supply, our institutional committee reviewed the overall hospital statistics of snake bite cases as well as scientific literature and formulated a working modified protocol that used low dose of ASV in snake bite cases. Aim: To retrospectively analyse and compare the modified ASV protocol versus conventional ASV protocol with respect to outcome, number of ASV vials required, duration of stay in the hospital/ ICU, and additional supportive interventions needed. Materials and Methods: This was a retrospective study conducted at a tertiary care teaching hospital, Maharashtra, India. Hospital records of inpatients admitted for snake bite during June 2013 to September 2013 (since introduction of the modified protocol) as well as during June 2012 to September 2012, (when patients received conventional protocol-historical controls) were retrospectively analysed to assess the number of ASV vials received by the patients during the stay, need for supportive therapy, duration of stay and outcome of the patients. Results: There was a significant reduction in average number of ASV vials per patient, required vide the modified protocol compared to their historical controls (10.74+/-0.95 vs 28.17+/-2.75 p<0.001). There was no significant difference in outcome, need for dialysis, fresh frozen plasma requirement, need for ICU stay and duration of hospitalization of snake bite patients. Yet, the average cost of management of each patient reduced by approximately 11974.41 INR per treated patient, based on the requirement of ASV. Conclusion: The modified ASV protocol used in this study is more cost effective as compared to the conventional protocol, deserves prospective evaluation and may be followed at least during prime time of scarcity of ASV. PMID- 29207730 TI - Safety Assessment of Human Bone Marrow-derived Mesenchymal Stromal Cells Transplantation in Wistar Rats. AB - Introduction: Bone Marrow-derived Mesenchymal Stromal Cells (BM-MSCs) are multipotent stem cells isolated from adult human bone marrow. Properties of MSCs make them potentially ideal candidates for regenerative medicine. The preclinical data available in the literature regarding the safety assessment of MSCs at different dosage group is scanty. Aim: To evaluate the safety of BM-MSCs transplantation in Wistar rats. Materials and Methods: Eighteen adult female Wistar rats were used in the study. They were randomly divided into normal control, low dose MSCs and high dose MSCs groups. Low dose group received 3.25 million BM-MSCs/kg body weight; high dose group received 9.75 million BM-MSCs/kg body weight intravenously. Body weight, food and water intake of each rat were measured statistically using SPSS version 16.0; animals were observed for changes in behaviour, general clinical signs, presence of any abnormal response, mortality for thirty days. Results: Repeated measures ANOVA indicated a significant increase in body weight, food, and water intake of all animals at all weeks of the study period compared to week zero (p<0.05). Between the low dose and high dose MSCs group, increase in absolute body weight was seen at the end of the 30th day which was statistically significant (p=0.01). There was no significant difference in body weights, food and water intake in MSCs group when compared to normal control. All the animals survived for the entire duration of the study. Further, there was no change in the behaviour of the animals, no adverse clinical signs or complications following the MSCs treatment. Conclusion: Results indicate that administration of BM-MSCs is safe when given by a slow intravenous infusion as it did not alter the food and water intake behaviour of the animals and did not have any negative effect on its body weight. PMID- 29207731 TI - Sodium Valproate Induced Alopecia: A Case Series. AB - Drug induced alopecia may range from a barely detectable shedding to an irreversible baldness. Alopecia associated with valproate is a dose-dependent and reversible side effect. We hereby report, three cases of alopecia that occurred in patients who received sodium valproate for various neurological conditions. In all three cases, long term exposure of valproate therapy led to the development of alopecia which eventually resolved after dose reduction or discontinuation. The Naranjo's causality assessment scale indicated valproate as the probable cause of the alopecia in all our patients. PMID- 29207732 TI - Pre-microRNA Gene Polymorphisms and Risk of Cervical Squamous Cell Carcinoma. AB - Introduction: MicroRNAs (miRNAs) are short (~22 nucleotides) regulatory RNAs that can modulate gene expression and are aberrantly expressed in many diseases, including cancer. It has been suggested that, the presence of single nucleotide polymorphisms in precursor miRNAs (pre-miRNAs) can alter miRNA processing, expression and binding to target mRNA and represents another type of genetic variability, that can contribute to the susceptibility of human cancers. Aim: The present study investigated the genetic variants in pre-miRNAs (hsa-miRNA-196a2 rs11614913 C/T, hsa-miRNA-499 rs3746444 T/C and hsa-miRNA-146a rs2910164 G/C) for their role in cervical cancer susceptibility. Materials and Methods: The study comprised 164 controls and 184 patients of cervical cancer. The genotypic frequency of miRNA polymorphisms were determined by using a polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay. Logistic regression was used for statistical analysis using SPSS Software version 15.0. Results: Hsa-miRNA-499 rs3746444 T/C polymorphism showed a statistically significant association with considerable risk for cervical cancer at genotypes (CC, p=0.001, OR=4.801) and variant allele (p<0.001, OR=2.307). MiRNA 146a and miRNA 196a2 polymorphisms showed no association with cervical cancer. However, interaction of miRNA polymorphisms with smoking habit showed higher risk of cervical cancer with miRNA 196a2 polymorphism in patients with smoking but no significant modification in the risk of cervical cancer was seen for other polymorphisms. Conclusion: The results of the present study demonstrate that, miRNA 499 T/C polymorphism is significantly associated with genetic susceptibility to cervical cancer and may have a role in its pathogenesis. PMID- 29207733 TI - The Association between Prolonged Jaundice and TATA Box Dinucleotide Repeats in Gilbert's Syndrome. AB - Introduction: Jaundice is a common condition during the neonatal period. Prolonged jaundice occurs in a large number of breastfed infants, considering the impact of genetic factors on the incidence of jaundice. Aim: To determine the association between prolonged jaundice and TATA box dinucleotide repeats in Gilbert's Syndrome (GS). Materials and Methods: In this case-control study, the case group consisted of 51 neonates with jaundice, aged more than two weeks with indirect bilirubin level higher than 10 mg/dl. Acute diseases, mother's use of phenobarbital and other medications were the exclusion criteria. The control group consisted of 54 newborns without jaundice. The two groups were matched in terms of age and sex. TATA box polymorphisms in the promoter region of UGT1A1 gene were evaluated using Polymerase Chain Reaction (PCR) in order to determine TATA box dinucleotide repeats. Results: Overall, 64.7% and 50% of subjects in the case and control groups were male, respectively (p=0.168). The mean age of neonates in the case and control groups was 20.1+/-7.1days and 18.8+/-4.1 days, respectively. The distribution of Gilbert genome was not significantly different between the two groups. In the case group, 13.7% of the subjects were homozygous, 37.3% were heterozygous and 49% were normal. In the control group, 7.4% of the participants were homozygous, 35.2% were heterozygous and 57.4% were normal. Conclusion: The results of this study showed an association between TATA box polymorphism and prolonged jaundice in neonates which revealed that TATA box polymorphism is an important risk to increase and extend icterus. PMID- 29207734 TI - Prenatal Screening for Rare Co-Inheritance of HbE and beta-Thalassaemia Traits in Western India. AB - The mutations in Haemoglobin Beta (HBB) gene, bring about less or no production of Hb beta-chain synthesis in affected cases, leading from minor to major types depending on haematological indices. In compound heterozygotic conditions, two traits are involved, in which one parent has HbE trait and the other has beta thalassaemia carrier (trait). Here, we report a family of Rajasthan, West India which had a proband (son) having HbE/ beta-thalassaemia a co-inherited compound heterozygosity as revealed by DNA sequencing. It also contained upper levels of HbE with altered Hb and red cell indices showing asymptomatic to symptomatic state requiring blood transfusion periodically. The parents and Chorionic Villus Sampling (CVS) were HbE and beta-thalassaemia traits only. Such case is rare in Western India and we recommend this family for genetic counseling and genetic testing before they want reproductive choices in future for better management in a society. PMID- 29207735 TI - Pattern of Isolated Fatal Mechanical Injury in Homicidal Deaths: A Cross Sectional Study. AB - Introduction: Homicide is the death of one human being as a result of conduct of another. Multiple assaults on the body are seen in 70% cases, which indicate determination on the part of the accused to end the life of the victim. Aim: To identify the pattern, distribution and means of inflicting fatal isolated mechanical injury on the body in cases of homicide. Materials and Methods: This cross-sectional study was conducted on total 728 homicide deaths, out of which 63 cases had an isolated fatal mechanical injury over the body and the rest 665 cases had multiple injuries. The data collected from the study sample were recorded in a case record form and was analysed using Graphpad Prism 5.0. Results: Homicidal deaths occurring due to an isolated bodily injury were 8.65%. Most of the victims (82%) were males. Those in the age group more than 60 years and less than 10 years together constituted 38% of the cases having isolated fatal homicidal injury. Sharp cutting weapons were used in most of the cases (46.03%) followed by use of hard and blunt weapon in 20.63%. The most common site of isolated injury causing homicide was head (41.26%) followed by the neck in 31.74%. The least common site of injury was the groin/scrotum (7.93%). The leading mode of death was coma (38.09%) followed by haemorrhagic shock in 34.92%. Conclusion: Victims of homicidal deaths with isolated bodily injury showed a distinct pattern in comparison to deaths due to homicide with multiple injuries, which can be an indicator of the degree of aggression, magnitude of violence and the determination or intention of the assailant to kill. PMID- 29207736 TI - Awareness of Patients' Rights among Inpatients of a Tertiary Care Teaching Hospital- A Cross-sectional Study. AB - Introduction: The rights of a patient are a set of rules of conduct which govern the interaction between the patients' and healthcare professionals. Every patient has a right to be informed about their rights and also the responsibility of the healthcare provider. Aim: To assess awareness among inpatient about patients' rights at an academic accredited hospital. Materials and Methods: A questionnaire based cross-sectional study was carried out among 350 patients admitted to the wards of a Tertiary Care Teaching Hospital. A 21-point questionnaire was developed based on standards of the National Accreditation Board for Hospitals and Healthcare Providers (NABH) and patients' charter of rights and validated. This charter of rights is also displayed in the hospital for patient's awareness. Frequencies and percentages were depicted. Chi-square test was used for statistical analysis. Results: Positive awareness among the patients ranged from 28% to 97.4%. Females were more aware of their rights than males for 11 out of the 21 patient rights items. Younger adults were more aware than any other age group participants. Participants who were admitted to wards of higher categories (deluxe rooms) had high degree of awareness about patients' rights and education. Patients from urban areas and higher educational status were more aware than patients coming from rural areas. Conclusion: The study concludes that effective measures should be taken to improve the overall awareness not only among patients but also among different stakeholders in the healthcare delivery system. Readability of the patients' rights charter with good readability score, developing and distributing patient education materials in simple language about the rights and responsibilities to the patient and their family/relatives during their stay in the hospital or at the time of registration.Continuing nursing and medical education in medical teaching institutions and hospitals should focus on patients' rights and its importance, its need for awareness and its consequences should be taught to students and hospital staff. Patient Right Committee in the hospital should be established for supervision monitoring and observance of patients' rights. PMID- 29207737 TI - Factors Affecting Post Caesarean Pain Intensity among Women in the Northern Peninsular of Malaysia. AB - Introduction: Caesarean section (CS) rate has increased considerably during the past years, accounting for 15% to 25% of births. During post-CS period, moderate to severe postoperative pain is a regularly reported problem. Ideally, the intensity of postoperative pain should be predicted so as to customize analgesia. Aim: To document the CS rate, assess the pain intensity and preoperative factors that may predict post caesarean pain among women in the Obstetric unit of a Hospital Pulau Pinang in Malaysia. Materials and Methods: A retrospective chart review of 400 caesarean deliveries was conducted between January 2013 and June 2014. The study encompassed patient's demographic data and obstetrics data. The overall pain scores since the time of surgery (2, 4, 8, 12, 24 and 48 hours postoperatively at rest and while moving) were assessed by visual analogue scale (VAS). The data were analyzed by using SPSS software (version 21.0 for Windows). Results: The results demonstrate that within a 48 hours postoperative period, the average pain at rest and while moving was 0.40+/-0.013 and 0.83+/-0.017 (VAS score), respectively. Logistic regression identified that a higher BMI (>=30) (OR 1.056; 95% CI=1.003 to 1.113, p=0.04), an increase in operation time (> 60 minutes) (OR 1.009; 95% CI=1.000 to 1.018, p=0.049), Single women (OR 11.597; 95% CI=1.382 to 97.320, p=0.024), blood group type O (OR 1.857; 95% CI=0.543 to 2.040, p = 0.001) and general anesthesia (OR 3.689; 95% CI=1.653 to 8.232, p=0.001) were found to be independent predictors for postcaesarean pain intensity. Conclusion: This study concluded that CS rate is 28% among women in the obstetric unit of a Hospital Pulau Pinang and the pain experienced by the study participants was mild. Moreover, the predictive factors for pain intensity may aid in identifying patients at greater risk for postoperative pain. This study concluded that the predictive methods proposed may aid in identifying patients at greater risk for postoperative pain. PMID- 29207738 TI - Medical Education Terminologies: Do These Really Percolate to the Level of Medical Students? A Survey. AB - Introduction: In Medical Education Technology, many terminologies are embodied in faculty training programs; used by teachers in daily practice like learning objectives, curriculum, and domains, formative and summative assessments. The awareness and knowledge of students regarding these terminologies, is questionable. Aim: To assess the awareness and knowledge of the students of all phases of MBBS - regarding terminologies in medical education. Materials and Methods: The study was questionnaire based survey at a private medical college in rural setting. Participants were the students from first, second, third Part I and third part II MBBS. Sample size included 175, 161,150 and 162 participants of first, second, third Part I and third Part II MBBS respectively. The questionnaire included 10 closed and one open ended questions which included the themes in educational spiral like: learning objectives, teaching-learning and assessment.Statistical data analysis was done by using descriptive and inferential statistics (Chi-square test) and p<0.05 was considered as level of significance. Qualitative data was analysed using coding and categorization. Results: Percentage of students participated for first, second, third Part I and third Part II MBBS were 87.5%, 80.09%, 93.16% and 90% respectively. The students were aware of some terms like learning objectives, its importance, curriculum; but knowledge component was missing. For some terms like cognitive, psychomotor, affective domain, simulation, formative, summative assessment; awareness as well as knowledge was missing. The methods suggested by students regarding the terminologies ranged from explanation of importance of these terms to its application. Conclusion: Efforts should be made in the direction to increase the awareness and knowledge of the basic terminologies used in medical education technology. PMID- 29207739 TI - Assessment of Palliative Care Awareness among Undergraduate Healthcare Students. AB - Introduction: Palliative care knowledge is being given meager importance in the curriculum of medical and other allied medical sciences. It is vital that all health care practitioners including medical, pharmacy, physiotherapy and nursing are aware and apply the best principles of palliative care. Aim: To assess the awareness of palliative care among undergraduate students of medical, nursing, pharmacy and physiotherapy. Materials and Methods: The study population included total of 200 students. Among 200 students, 50 were from each of the colleges of medicine, nursing, pharmacy and physiotherapy. After obtaining informed consent, questionnaire was given. The questionnaire contained the sociodemographic profile and 35 statements under nine groups, for which the respondents were expected to answer one out of the three options (Yes, No, Don't know). The groups of statements deal with palliative care definition, its philosophy, communication issues, non-pain symptoms, medications use and context of application of palliative care. Results: It was found that less than 20% of nursing students were unaware of palliative care. Among the undergraduates of college of pharmacy, more than 50% had no knowledge of palliative care. More than 80% of physiotherapy, nursing and medical students agree that death should occur without any pain or symptoms. The need of palliative care was well understood by more than 70% of students of physiotherapy, pharmacy, nursing and medical colleges. Conclusion: Basic knowledge about palliative care was inadequate among the undergraduate students related to healthcare. PMID- 29207740 TI - Risk Factors for Kidney Stones in Rural Puducherry: Case-Control Study. AB - Introduction: Renal stone is a distressing chronic condition which is getting common across the world. The rigorous evidence on multiple risk factors of kidney stone from a single study is limited. Aim: To find out the social and dietary risk factors responsible for the occurrence of kidney stone in a local community in rural Puducherry, India. Materials and Methods: It was a hospital-based unmatched case-control study. Based on existing information, a sample of 70 cases and 140 controls was calculated and considered adequate. The exposure information on recent cases was uniformly collected by interview and review of radiologic records and exposure information for controls was collected through interviews. Associations between the occurrence of renal stone as a dependent variable and multiple independent variables such as age, sex, socioeconomic status, type of family, religion, the source of drinking water and dietary practices were studied by using multiple logistic regression analysis. Results: We found associations of occurrence of kidney stone with genetic predisposition (OR:16.98, CI;3.02-95.25), less frequency of urine per day (OR:5.95, CI;1.03-34.19) and dietary habit of eating red meat once a week (OR:32.28, CI; 9.7-143.2) and even once a month (OR:5.20, CI;1.44-18.77). Conclusion: The risk of kidney stone was found high among those who had genetic predisposition, less frequency of urination per day and those who consumed red meat once a month or more. Patients and local community should be educated to reduce the red meat consumption and increase the consumption of water and fluid, especially during the hot climates. PMID- 29207741 TI - Prevalence of Chronic Morbidity and Sociodemographic Profile of Police Personnel A Study from Gujarat. AB - Introduction: The police personnel are special group of population that work for minimum 12 hours a day. They are at risk of various types of chronic morbidities. Aim: To determine the sociodemographic, chronic morbidity and health profile of police personnel of Vadodara district. Materials and Methods: It was a cross sectional study conducted on the police force of Vadodara district, Gujarat, India. The present study was the outcome of health checkup camp for police personnel. Total 982 police personnel participated in the aforementioned study. Information regarding the sociodemographic profile, addiction to alcohol drinking, tobacco chewing or smoking, diagnosed chronic morbidities, BMI, blood sugar and history of exercise and yoga was collected. Data collected was entered into Microsoft Excel 2007 and analysed by using Epi-Info 7. Statistical methods used included frequencies and proportions for categorical data while range, mean and standard deviation were calculated for continuous data. For bivariate analysis, Chi-square test was used. Results: In the study population, 95.10% were males. The prevalence of chronic morbidity, hypertension and diabetes were 9.5%, 5% and 2.6% respectively. About 47.05% had normal BMI and mean BMI was 24. The study revealed that 7.64% police personnel had the habit of smoking, 3.16% consumed alcohol whereas 24.03% consumed tobacco products. It was found that 138 (14.05%) were active in sports and 304 (30.95%) were actively involved in exercise while 44 (4.48%) were involved in yoga. Conclusion: The prevalence of hypertension (5%) and diabetes (2.6%) were low as compared to the general population (NFHS-4). This can be attributed to health consciousness prevalent among the population. A substantial number of study population were involved in sports, exercise and yoga. PMID- 29207742 TI - Use of Multi-Response Format Test in the Assessment of Medical Students' Critical Thinking Ability. AB - Introduction: To evaluate students critical thinking skills effectively, change in assessment practices is must. The assessment of a student's ability to think critically is a constant challenge, and yet there is considerable debate on the best assessment method. There is evidence that the intrinsic nature of open and closed-ended response questions is to measure separate cognitive abilities. Aim: To assess critical thinking ability of medical students by using multi-response format of assessment. Materials and Methods: A cross-sectional study was conducted on a group of 159 undergraduate third-year medical students. All the participants completed the California Critical Thinking Skills Test (CCTST) consisting of 34 multiple-choice questions to measure general critical thinking skills and a researcher-developed test that combines open and closed-ended questions. A researcher-developed 48-question exam, consisting of 8 short-answers and 5 essay questions, 19 Multiple-Choice Questions (MCQ), and 16 True-False (TF) questions, was used to measure critical thinking skills. Correlation analyses were performed using Pearson's coefficient to explore the association between the total scores of tests and subtests. Results: One hundred and fifty-nine students participated in this study. The sample comprised 81 females (51%) and 78 males (49%) with an age range of 20+/-2.8 years (mean 21.2 years). The response rate was 64.1%. A significant positive correlation was found between types of questions and critical thinking scores, of which the correlations of MCQ (r=0.82) and essay questions (r=0.77) were strongest. The significant positive correlations between multi-response format test and CCTST's subscales were seen in analysis, evaluation, inference and inductive reasoning. Unlike CCTST subscales, multi-response format test have weak correlation with CCTST total score (r=0.45, p=0.06). Conclusion: This study highlights the importance of considering multi-response format test in the assessment of critical thinking abilities of medical students by using both open and closed-ended response questions. PMID- 29207743 TI - Comparison of Microbiological Flora in the External Auditory Canal of Normal Ear and an Ear with Acute Otitis Externa. AB - Introduction: Acute Otitis Externa (AOE) is also known as swimmer's ear. Investigations initiated during World War II firmly established the role of bacteria in the aetiology of Acute Otitis Externa. Aim: To culture the microbiological flora of the normal ear and compare it with the flora causing AOE and to know the role of normal ear canal flora and anaerobes in the aetiology. Materials and Methods: A prospective observational study was conducted on 64 patients clinically diagnosed with unilateral AOE. Ear swabs were taken from both the ears. Microbiological flora was studied considering diseased ear as test ear and the normal ear as the control. Aerobic and anaerobic cultures were done. Severity of the disease was assessed by subjective and objective scores. Effect of topical treatment with ichthammol glycerine pack was assessed after 48 hours and scores were calculated again. Patients with scores < 4 after pack removal were started on systemic antibiotics and were assessed after seven days of antibiotics course. Data was analysed using Paired t-test, Wilcoxon signed ranks test and Chi-square test. A p-value < 0.05 was considered significant. Results: Pseudomonas aeruginosa (33%) was the most common bacteria cultured from the ear followed by Methicillin Resistant Staphylococcus aureus (MRSA) (18%). Patients with anaerobic organism in the test ear had severe symptoms and needed systemic antibiotic therapy. Conclusion: Most of the cases may respond to empirical antibiotic therapy. In cases with severe symptoms and the ones refractory to empirical treatment, a culture from the ear canal will not be a tax on the patient. This helps in giving a better understanding about the disease, causative organisms and helps in avoiding the use of inappropriate antibiotics that usually result in developing resistant strains of bacteria. PMID- 29207744 TI - Awareness of Presbyopia among Rural Female Population in North Karnataka. AB - Introduction: Presbyopia is an age related loss of lens accommodation resulting in inability to read and/write or to do near work. Though literacy level may be low in rural female population of South India, but household works like sewing, sorting grains and operating mobile phones must be difficult due to presbyopia. Aim: To determine the awareness of presbyopia in rural females; also, to determine the knowledge levels regarding presbyopia, spectacle coverage and reasons for not wearing spectacles. Materials and Methods: A hospital based cross sectional study was conducted at SDM College of Medical Sciences, Dharwad, Karnataka, India, on 1000 female subjects of age group 35 years and above coming from rural area (around Dharwad). They were examined and open-ended questionnaire was used to record subject's awareness and knowledge about presbyopia and their responses were analysed. Results: More than 2/3rd of 1000 (66.7%) subjects were not aware about presbyopia. More than 50% subjects had difficulty in cleaning grains, threading needles and reading fine newspaper print. About 86.5% thought presbyopia is age related and 92.2% thought it could be treated with spectacles. In spite of high prevalence, almost 98% of the population were not willing to wear glasses among which majority (60.2%) felt that spectacles were difficult to be maintained while working. In the present study, no statistical significance between literacy and awareness was noted (p=0.46). Conclusion: High prevalence of presbyopia was seen with majority of them uncorrected due to lack of awareness or unwillingness to wear glasses. We need to provide better health education regarding presbyopia among both literate and illiterate individuals. Thus, there is a need to create awareness and to provide affordable, accessible and compatible optical services to the affected population. PMID- 29207745 TI - Bilateral Persistent Hyperplastic Primary Vitreous - A Rare Case Report. AB - Persistent Hyperplastic Primary Vitreous (PHPV), now-a-days referred to as Persistent Fetal Vasculature (PFV), is a rare congenital anomaly of the eye that typically presents unilaterally with white pupillary reflex and microphthalmia without systemic associations. Bilateral presentations are rare. Here we report a case of 15-year-old male with bilateral PFV without leucokoria who was misdiagnosed as congenital esotropia with amblyopia, treated for refractive errors and referred to higher centre for squint corrections. The diagnosis of PFV was made easily on slit lamp examination with dilated pupil due to media clarity. Findings were confirmed by colour doppler ultrasonography of the eyes. This case warrants essential screening of the posterior segment of all children with deviated eyes to ensure earliest detection of such pathologies. PMID- 29207746 TI - Dengue Stings the Eye! AB - Dengue is a vector borne viral fever and has varied ocular affections. We report two cases of Dengue Associated Maculopathy (DAM). The first patient was a 22-year old lady with dengue fever, presented with diminution of vision in the left eye with best corrected visual acuity of 20/40. Fundus revealed soft exudates and streak haemorrhages at the macula in the left eye. Optical Coherence Tomography (OCT) showed cystoid macular oedema. She recovered completely within four days. The second patient was a 33-year-old lady with dengue, with blurred vision in the left eye and with a visual acuity of 20/80. Fundus examination in the left eye revealed elevated fovea with a yellow well circumscribed lesion with surrounding striations. OCT showed features suggestive of foveolitis. She improved spontaneously over the next 21 days to a visual acuity of 20/20p. DAM is usually a self-limiting condition with favourable prognosis. This report highlights the importance of anticipating visual morbidity in patients with dengue and a thorough evaluation and follow-up in spite of its benign behaviour. Also, this report highlights the importance of OCT in differentiating various presentations of DAM. PMID- 29207747 TI - Bilateral Conjunctival Rhinosporidiosis in a Paediatric Patient. PMID- 29207748 TI - A Three Year Analysis of Systemic Comorbidities in Cataract Operated Patients in India. PMID- 29207749 TI - Cirrhosis of Liver and Diabetes Mellitus: The Diabolic Duo? AB - Introduction: Cirrhosis of the liver and diabetes mellitus are two chronic illnesses with significant impact on the quality of life. Studies from different part of the world have shown the combination to be associated with higher incidence of complications of cirrhosis and reduced survival. However, data on the impact of pre-cirrhotic and post-cirrhotic diabetes on cirrhosis is minimal. Aim: The aim of the study was to determine the complications of cirrhosis patients with and without co-existent DM and to compare the relation between cirrhosis patients with antecedent DM and hepatogenous DM. Materials and Methods: The present prospective study was conducted at a tertiary care hospital in Kerala, India, over a period of three years. Cirrhosis patients with and without diabetes, along with subcategorization as antecedent and hepatogenous diabetes, were studied for various complications and outcome including death. Chi-square and Mann-whitney tests were used for comparing data. Results: Patients with cirrhosis and diabetes had higher incidence of gall stones (27.6% versus 13.2%; p=0.008) and urinary infection (29.3% versus 7.5%; p=<0.001). Incidence of hepatocellular carcinoma and mortality were similar between the groups. Patients with antecedent diabetes and hepatogenous diabetes were similar with respect to complications and mortality. Child-Turcotte-Pugh (CTP) score, Model for End stage Liver Disease (MELD) score, urinary tract and respiratory infections and duration of cirrhosis were independent predictors of mortality in patients with cirrhosis. Conclusion: Coexistent diabetes mellitus increases the incidence of complications and hospitalizations in cirrhosis patients but without impact on mortality rates. There is no significant morbidity or mortality difference between cirrhotics with antecedent diabetes and hepatogenous diabetes. PMID- 29207750 TI - Validity of Simplified Ankylosing Spondylitis Disease Activity Scores (SASDAS) in Indian Ankylosing Spondylitis Patients. AB - Introduction: Ankylosing Spondylitis Disease Activity Score (ASDAS) is a complex score for monitoring disease activity in Ankylosing Spondylitis (AS). Aim: To develop a simplified version of the ASDAS. Materials and Methods: Consenting 254 AS patients (modified New York and/or Assessment in Ankylosing Spondylitis 2009 criteria) were recruited. Sociodemographic data and disease characteristics such as Bath AS Disease Activity Index (BASDAI), Bath AS Functional Index (BASFI), and AS Quality of Life (ASQoL), Erythrocyte Sedimentation Rate (ESR), and C-Reactive Protein (CRP) were collected. Simplified ASDAS (SASDAS) was calculated as the simple sum of patient global assessment, back pain (BASDAI question no.2), peripheral pain and swelling (BASDAI question no.3), morning stiffness (BASDAI question no.6), and either ESR in mm/hour (for SASDAS-ESR) or CRP in mg/L (for SASDAS-CRP); this sum was divided by 10 to obtain the final score. Results: Most patients (224/254; 88.19%) were males with the median age of 30 years. SASDAS-ESR and SASDAS-CRP showed good correlation with ASDAS-ESR and ASDAS-CRP respectively (r2=0.78 and 0.58 respectively; p-value<0.0001). SASDAS-ESR showed good correlation with CRP (r=0.50) and is fairly correlated with backpain (r=0.19), morning stiffness (r=0.21) and peripheral pain (r=0.21); SASDAS-CRP showed good correlation with BASFI (r=0.32), and ESR (r=0.55) (all p-value<0.0001). Using established ASDAS cut-off values, corresponding cut-off points between 'inactive', 'moderate', 'high', and 'very high' disease activities (with optimum sensitivity and specificity) were 1.83, 2.45 and 4.45 for SASDAS-ESR, and 0.79, 1.50, and 3.26 for SASDAS-CRP. Both the SASDAS scores showed good correlation with BASDAI. Conclusion: SASDAS-ESR and SASDAS-CRP are reliable, easy-to calculate scores for disease activity assessment in Asian Indian AS patients; which can be used in daily clinical practice. PMID- 29207751 TI - Does Azithromycin and Cetirizine Combination Given for Upper Respiratory Tract Infections has any Significant Effect on QTc? AB - Introduction: Azithromycin usage in patients with baseline cardiovascular risk is associated with increased risk of cardiovascular mortality, following which Food and Drug Administration (FDA) issued a black box warning regarding safety of azithromycin in patients with cardiovascular morbidity particularly with prolonged QTc. Cetirizine is a second generation anti histaminic and is found to be commonly used for Upper Respiratory Tract Infections (URIs) along with azithromycin on outpatient basis. Whether, usage of these two drugs in combination confers a similar risk, is unknown. Aim: To assess the effect on QTc among patients treated with azithromycin and cetirizine combination for upper respiratory tract infection. Materials and Methods: We conducted a prospective longitudinal study from August 2014 to July 2016. The study was done on 45 patients above 18 years of age without any cardiovascular morbidity in whom azithromycin and cetirizine were prescribed for upper respiratory tract infections. We compared the QTc on day 1 and day 4. Data was analysed using Student's paired t-test. Results: During three days of azithromycin and cetirizine for upper respiratory tract infections, we observed that on day 4 there was significant increase in QTc in 43 patients (95.6%) as compared with the QTc on day 1. We also observed that in 8 (17.8%) out of 45 patients, QTc on day 4 crossed the upper limit of normal {430 milliseconds (ms)}, but this was not statistically significant. However, analysing these eight patients, we obtained the baseline QTc of 377.50 ms above which if prescribed, this combination of drugs have a chance of prolonging the QTc above 430 ms with a sensitivity of 87.5% and specificity of 40.5%. Conclusion: During three days treatment with azithromycin and cetirizine, there was significant change in QTc between day 1 and day 4. Patients with baseline QTc greater than 377.5 ms were at risk of QTc prolongation above 430 ms on day 4. PMID- 29207752 TI - Study of Left Ventricular Mass and Its Determinants on Echocardiography. AB - Introduction: Increased Left Ventricular Mass (LVM) is an independent risk factor for cardiovascular morbidity and mortality. Aim: This study was done to find the prevalence and determinants of LVM in the Northern Indian population. Materials and Methods: A prospective cross-sectional observational study was carried out in a tertiary care centre in Himachal Pradesh, India and the study population included all consecutive patients fulfilling the inclusion criteria attending cardiology OPD on seeking medical attention with various symptoms for dyslipidaemia, hypertension but not on medication over a period of one year. Focused history was taken; physical examination and investigations were done. Data collected was analysed using Epi-info software version 3.5.1. We calculated means of LVM index for categorical variables i.e., sex, tobacco consumption, alcohol consumption and sedentary lifestyle etc., and also calculated p-values as test of significance for mean difference across the exposure variable groups. The Pearson correlation coefficient was calculated and 2 tailed significance at p< 0.05 was taken as statistically significant. Results: Mean age of study population was 42.30+/-9.8 years and 62.9% were males. The mean LVM index was significantly higher in men than in women 77.7 +/- 11.4 vs.71.3 +/- 15.7 (p-value <0.01). Strong positive correlation was observed between increased waist hip ratio and increased Left Ventricular Mass Index (LVMI). The Pearson correlation coefficient was 36.77 and it was statistically significant with p-value 0.04. Conclusion: We found positive and independent correlation of increased LVMI with increased Waist Hip Ratio (WHR). A positive independent correlation was also observed with higher fasting blood sugar levels. PMID- 29207753 TI - A Study of Correlation of Neck Circumference with Framingham Risk Score as a Predictor of Coronary Artery Disease. AB - Introduction: It has been observed that metabolic syndrome is risk factor for Coronary Artery Disease (CAD) and exerts its effects through fat deposition and vascular aging. CAD has been acknowledged as a leading cause of death. In earlier studies, the metabolic risk has been estimated by Framingham risk score. Recent studies have shown that Neck Circumference (NC) has a good correlation with other traditional anthropometric measurements and can be used as marker of obesity. It also correlates with Framingham risk score, which is slightly more sophisticated measure of CAD risk. Aim: To assess the risk of CAD in a subject based on NC and to correlate the NC to Framingham risk score. Materials and Methods: The present cross-sectional study, done at Karnataka Institute of Medical Sciences, Hubli, Karnataka, India, includes 100 subjects. The study duration was of one year from 1st January 2015 to 31st December 2015. Anthropometric indices Body Mass Index (BMI) and NC were correlated with 10 year CAD risk as calculated by Framingham risk score. The correlation between BMI, NC, vascular age and Framingham risk score was calculated using Karl Pearson's correlation method. Results: NC has a strong correlation with 10 year CAD risk (p<=0.001). NC was significantly greater in males as compared to females (p<=0.001). Males had greater risk of cardiovascular disease as reflected by higher 10 year Framingham risk score (p<=0.0035). Conclusion: NC gives simple and easy prediction of CAD risk and is more reliable than traditional risk markers like BMI. NC correlates positively with 10 year Framingham risk score. PMID- 29207754 TI - Clinicopathological Characteristics and Outcomes of Diffuse Crescentic Glomerulonephritis - A Single Center Experience from Southern India. AB - Introduction: Diffuse Crescentic glomerulonephritis (CrGN) is characterized by rapidly progressive renal failure and has grave prognosis. There is significant regional and temporal variation in aetiology, prevalence and prognosis of diffuse crescentic glomerulonephritis (CrGN) with limited data available in adult Indian population. Aim: This study aims to identify the aetiology, clinico-pathological features and outcomes of diffuse CrGN in south Indian population. Materials and Methods: In this retrospective study, clinical records of all adults (>18 years) over a 5-year period (2010-2014) with a histopathological diagnosis of diffuse CrGN (>50% crescents) were reviewed. Clinical, serological, biochemical and histopathological data were collected. Follow-up data at six months including renal outcome and mortality were studied. Data was analysed using SPSS version 15. Results: There were 29 cases of diffuse CrGN accounting for an incidence of 2.9% among 1016 non-transplant kidney biopsies. The most common cause was pauci immune crescentic GN. The median creatinine at admission was 7.2 mg/dl {(interquartile range (IR) 3.3 - 10.4)} and 75.9% of patients required haemodialysis at admission. Complete/partial recovery was seen in 34.5%. At the end of six months 31% were dialysis dependent and the mortality was 27.6%. On univariate analysis, the significant predictors of renal loss and mortality were oliguria (p=0.02), requirement of haemodialysis and serum creatinine (p=0.001) at admission (>5.5mg/dl) (p=0.003). Histopathological features did not influence the outcome in our study. Conclusion: In our cohort, the most common cause for diffuse CrGN is pauci-immune CrGN. Diffuse CrGN carries a poor prognosis. Patients with pauci-immune and AntiGBM disease have worst prognosis compared to immune complex CrGN. The presence of oliguria, high serum creatinine and requirement of haemodialysis at admission are associated with poor outcomes. PMID- 29207755 TI - Correlation of Trace Elements in Patients of Chronic Liver Disease with Respect to Child- Turcotte- Pugh Scoring System. AB - Introduction: Zinc, copper, manganese and magnesium are essential trace elements whose role in chronic liver disease and its complications is not clear. Aim: To study the concentration of these elements in patients with Chronic Liver Disease (CLD) with respect to Child-Torcotte-Pugh (CTP) scoring. Materials and Methods: This was an observational study carried out in the Department of Medicine, JSS Hospital, Mysore, India, between October 2013 and October 2015. A total of 75 patients with cirrhosis were prospectively enrolled. Severity of liver disease was assessed based on CTP score and patients were grouped into Class A, B and C. Routine investigations were done and following trace elements were assessed in all-zinc, copper, manganese and magnesium. Results: The serum concentrations of zinc decreased with severity of liver disease, and the mean difference between different severity classes was statistically significant (p<0.001). There was a significant negative correlation between zinc and CTP Score (r= -0.439; p<0.001). Copper concentration was increased in patients with more severe cirrhosis and mean level difference of copper among the CTP groups were statistically significant (p<0.001). Moreover, copper showed significant positive correlation with CTP Score (r=0.385; p<0.001). The serum levels of manganese were significantly higher in patients with CTP C class in comparison to patients with CTP A and B class (p<0.05); Manganese showed significant positive correlation with CTP Score (r=0.271; p= 0.019). The concentrations of magnesium did not differ significantly between CTP class with the mean level difference not statistically significant. Conclusion: Increasing liver dysfunction alters the metabolism of trace elements towards excess of copper and deficiency of zinc. PMID- 29207756 TI - Intravenous Fluid Administration and the Survival of Pre hospital Resuscitated out of Hospital Cardiac Arrest Patients in Thailand. AB - Introduction: Out of Hospital Cardiac Arrest (OHCA) is a leading cause of death worldwide. The Emergency Medical Service (EMS) provides early care to critical OHCA patients. Pre hospital intervention has been improving OHCA survival rate, however it is still unclear for the recommendation of routine infusion of Intravenous (IV) fluids during cardiac arrest resuscitation. Aim: This study aimed to determine whether IV fluid administration was associated with increasing survival of resuscitated OHCA patients and to assess the survival rate of resuscitated OHCA patients. Materials and Methods: This cross-sectional analytical study was conducted among 33,006 resuscitated OHCA patients who received emergency medical service in Thailand. Data set from the EMS Registry of the OHCA patients who received Advanced Life Support (ALS) and Cardiopulmonary Resuscitation (CPR) during January 2011 to December 2015 was enrolled as per inclusion criteria. Data were analysed by using both descriptive statistic and multiple logistic regression. Results: The result indicated that 27,270 OHCA patients (82.62%:95%CI=82.121-83.030%) survived until they reached hospital. In addition, after adjusting for effect modifiers and covariates, it was found that adult (>=18 years) with IV fluid administration were more likely to survive (adjusted OR=4.389; 95% CI: 3.911-4.744) when compared to children (<18 years) with IV fluid administration (adjusted OR =2.952; 95% CI: 2.040-4.273). Other factors associated with OHCA patients' survival were female gender (adjusted OR =1.151; 95% CI: 1.067-1.241), response time per minutes (adjusted OR =0.993; 95% CI: 0.989-0.997), scene time per minutes (adjusted OR=0.948; 95% CI: 0.944-0.952) and transport time per minutes (adjusted OR=0.973, 95%CI: 0.968-0.978). Conclusion: This study revealed that IV fluid administration was significantly associated with survival of OHCA patients while controlled other covariates including female gender, response time, scene time and transport time. Therefore, it is recommended that the IV fluid administration should be medicated for resuscitated OHCA patients. PMID- 29207758 TI - Mycobacterium fortuitum Infection at Umbilical Hernioplasty Site. AB - Non Tuberculous Mycobacteria (NTM) are a group of rapidly growing mycobacteria and are generally considered to be of low virulence. Of late, there has been an increase in incidence of infections due to these organisms. Among them, Mycobacterium fortuitum, M. chelonae and M. abscessus are the common species which have been identified. Though they are occasionally implicated in pulmonary infections, NTM are very commonly associated with cutaneous infections, especially surgical site infections. Identification of NTM infection at such sites should be suspected when there is delayed healing of the wound. Histopathological Examination (HPE) of the wound site may reveal a classical picture of granulomas, epithelioid cells and giant cells which may lead to a suspicion of tuberculosis. It is important to perform mycobacterial culture and sensitivity testing of the wound tissue as this helps to differentiate tuberculous and non tuberculous infections. Here, we present a case of a patient who underwent mesh hernioplasty for umbilical hernia and was diagnosed with M. fortuitum infection at the site of umbilical hernioplasty. PMID- 29207759 TI - Combined Thrombophilia in a Young Male Presenting as Life Threatening Pulmonary Embolism. AB - Combined hereditary thrombophilia is an uncommon entity associated with higher risk of early onset thrombosis. We report a case of 39-year-old male with combined deficiency of natural anticoagulants (protein C, S and anti thrombin) along with hyper homocystenemia and factor V Leiden mutation, presenting with life threatening bilateral pulmonary embolism. The clinical implications of combined thrombophilia are also discussed. PMID- 29207757 TI - Vitamin D Levels and Associations in Indian Patients with Primary Sjogren's Syndrome. AB - Introduction: Vitamin D is a steroid hormone belonging to the class of secosteroids with myriad immune functions and has been implicated in aetiopathogenesis of various autoimmune diseases. Although, there have been various studies showing the association of vitamin D in rheumatoid arthritis and lupus in different populations, there have been limited studies on vitamin D and primary Sjogren's Syndrome (pSS). There are no studies on association of vitamin D and pSS from any tropical country including Indian subcontinent. Aim: The purpose of the study was to look for any association between 25-hydroxyvitamin D (25(OH)D) levels and disease manifestations in Indian patients with pSS. Materials and Methods: This is a retrospective cross-sectional study done at a tertiary teaching hospital in southern India in 235 patients with pSS. Patients satisfying the American European Consensus Group (AECG) or American College of Rheumatology (ACR) 2012 for pSS between 2008 and 2015 were included if baseline 25(OH)D levels using electrochemiluminescence were available in hospital's laboratory record, 25(OH)D <20 ng/ml,20-30 ng/ml and >30 ng/ml was defined as deficiency, insufficiency and normal, respectively. Clinical laboratory data and disease activity scoring by EULAR Sjogren's syndrome disease activity index (ESSDAI) were retrieved retrospectively. Latitude corresponding to residence of each patient and the season of performing the assay were recorded. Chi-square statistics was done to find associations between categorized 25(OH)D and outcomes and was reported as odds ratio(95% confidence interval). Results: Mean 25(OH)D for 235 patients with pSS was 19.98(12.55)ng/ml. A vitamin D deficiency, insufficiency and sufficiency was seen in 141(60%), 60(25.5%) and 34.0(14.5%), respectively. No association was noted between latitude or season of performing assay and the levels. pSS with 25(OH)D <=30ng/ml had more than two fold risk of higher grading on lip biopsy as well as Rheumatoid Factor (RF) positivity. However, low 25(OH)D seemed to be associated with lower ESSDAI and less pulmonary involvement. Conclusion: Prevalence of 25(OH)D deficiency in Indian patients with pSS was comparable to that of general Indian population. Low 25(OH)D level <=30ng/ml was associated with higher odds for RF positivity and positive grading on lip biopsy. Surprisingly, low 25(OH)D was associated with lower ESSDAI score. PMID- 29207760 TI - Epituberculosis Revisited: Case Report and Review. AB - Primary pulmonary tuberculosis can involve regional lymph nodes which may resolve spontaneously or on treatment; or they may enlarge causing extrinsic bronchial compression; or cause endobronchial inflammation and ulceration; or a node may erode through the bronchial wall with extrusion of caseous materials into the bronchial tree, causing focal or lobar pneumonia. This erosion is seen radiologically as hilar lymphadenopathy, with atelectasis and consolidation and described as "epituberculosis". It is more common in infants than older children. We hereby describe the case of a 13-year-old child with right hilar lymphadenopathy and right upper lobe consolidation on chest x-ray. We demonstrated by fibreoptic bronchoscopy that this epituberculosis resulted from perforation of a lymph node and discharge of caseous material into the upper lobe bronchus with resultant endobronchial obstruction. Thus a tuberculous ruptured lymph node may lead to clinical and radiological worsening, but this does not indicate development of drug resistance in these patients and they respond well to the same treatment regimen. PMID- 29207761 TI - Foreign Body Aspiration: An Unusual Presentation and Outcome. AB - Foreign body aspiration mostly presents as acute emergency with cough, choking and dyspnoea. Rarely aspiration of foreign body may be the underlying cause in patients presenting with long term symptomatologies. Here is a case of 60-year old male who came for surgical management of cholelithiasis. During his workup, X ray chest revealed right paracardiac opacity. Fibre-optic bronchoscopy showed a mass lesion in right main bronchus. It was taken out of the airways by flexible bronchoscope but could not be retrieved. Subsequent chest radiographs showed marked improvement. PMID- 29207762 TI - Guillain-Barre Syndrome with Falciparum Malaria and Scrub Typhus Mixed Infection An Unusual Combination. AB - Guillain-Barre Syndrome is very rare in parasitic and rickettsial infection. Here we report a case of Plasmodium falciparum and scrub typhus mixed infection, presented with quadriparesis. Clinical, Serological, CSF analysis and Nerve Conduction Studies were consistent with Acute Inflammatory Demyelinating Polyneuropathy (variant of GBS). After administration of antimalarials and antibiotics for the mixed infection, patient gradually improved. PMID- 29207763 TI - Carbamazepine Induced Thrombocytopenia. AB - Antiepileptic Drugs (AEDs) are commonly associated with haematological disorders, including anaemia, thrombocytopenia, neutropenia and even bone marrow failure. Fatal disorders like aplastic anaemia are uncommon. On exploring through the literature, older AEDs are more associated with haematological alterations than newer AEDs, and careful monitoring is warranted especially with phenytoin, carbamazepine and valproate. The exact cause of these alterations is not established, though immune mechanisms and pharmacology of individual drugs are the proposed mechanisms, a further research along this path is underway. Of worth mentioning here, this predilection of older AEDs towards haematological disorders is pronounced in children compared to adults. We present here a case of congenital heart disease with history of brain abscess and seizures, on carbamazepine who presented to our hospital with toothache. Routine screening prior to tooth extraction revealed thrombocytopenia. Further evaluation revealed the association of carbamazepine and thrombocytopenia, which mandated discontinuation of drug and switching patient to alternative AED. PMID- 29207764 TI - Spontaneous Renal Artery Thrombosis Successfully Intervened with Drug Eluting Stent: A Primary Renal Artery Angioplasty. AB - Renal artery thrombosis is a rare medical emergency and needs to be diagnosed early and treated urgently to prevent irreversible renal injury. We report a case of 35-year-old male, who presented with the total thrombotic occlusion of right renal artery and was managed with percutaneous transluminal angioplasty with a drug eluting stent. PMID- 29207765 TI - Syndrome of Inappropriate Secretion of Antidiuretic Hormone Preceding Guillain Barre Syndrome. AB - Guillain-Barre Syndrome (GBS) is an inflammatory polyradiculoneuropathy which is known to produce syndrome of inappropriate Secretion of Antidiuretic Hormone (SIADH). However, the hyponatremia is usually seen after the onset of weakness. Here, we report a case of SIADH that presented with hyponatremic seizures which preceded the onset of GBS by ten days. PMID- 29207766 TI - Successful Management of Urosepsis with Ceftriaxone+Sulbactam+EDTA: A Case Report of Penem Sparing Approach. AB - Over the past decade, the Anti-Microbial Resistance (AMR) among members of Enterobacteriaceae family is on rise mainly due to rapid spread of strains producing Extended-Spectrum Beta-Lactamases (ESBLs) and Metallo Beta-Lactamases (MBLs). Hence, the choice of drugs available for these resistant strains is diminishing and their treatment is becoming more challenging. This is a case of complicated Urinary Tract Infection (cUTI) due to ESBL producing E. coli leading to septic shock which was successfully managed with Antibiotic Adjuvant Entity (AAE), a combination of ceftriaxone+sulbactam+EDTA. PMID- 29207767 TI - Clinical Utility of Blood Cell Histogram Interpretation. AB - An automated haematology analyser provides blood cell histograms by plotting the sizes of different blood cells on X-axis and their relative number on Y-axis. Histogram interpretation needs careful analysis of Red Blood Cell (RBC), White Blood Cell (WBC) and platelet distribution curves. Histogram analysis is often a neglected part of the automated haemogram which if interpreted well, has significant potential to provide diagnostically relevant information even before higher level investigations are ordered. PMID- 29207768 TI - Controversies in Serotonin Syndrome Diagnosis and Management: A Review. AB - Over the past few years, Serotonin Syndrome (SS) has become a significant clinical concern. Over the last decade, United States saw a surge in antidepressant use. SS characteristically presents as the triad of altered mental status, autonomic dysfunction and neuromuscular excitation. Symptoms vary from patient to patient with mild cases presenting with subacute symptoms and severe cases progressing rapidly to death. Due to the protean manifestations of the syndrome along with non-specific prodromal, SS can easily be misdiagnosed if not carefully assessed. In severe cases, SS can be mistaken as neuroleptic malignant syndrome while mild cases are mostly misattributed to other causes such as flu. SS is a clinical diagnosis and therefore, requires a thorough review of medications and physical examination. Given the protean nature of this toxicologic syndrome various criteria were defined which includes Sternbach's, Radomski and Hunter's criteria. Keeping in mind the wide symptoms of serotonin syndrome from being barely perceptible to lethal emphasis there is a need to treat the syndrome on urgent basis. Mainstay for treatment of serotonin syndrome is to discontinue the offending drug. Improvement is seen in most patients within 24 hours. PMID- 29207769 TI - Brugada Syndrome with Spontaneous Fluctuation in ECG Pattern. PMID- 29207770 TI - Making Nutrition Management Scientific, Objective and Simple with the Help of Technology. AB - Nutrition management is one of the cornerstones of care in the management of hospitalized patients, especially, for those who are critically ill. Significant numbers of hospitalized patients have alteration in appetite and the function of the gastrointestinal tract. Calculating the caloric goal, prescribed proteins to be delivered in a finite amount of water at a certain rate is the need of the hour and it becomes a daunting task to complete daily. With the help of technology such tasks can be completed easily and accurately. This suggestion based software called as "iNutriMon" helps to screen out the patients which are at risk of malnutrition, formulate a plan, monitor and manage enteral nutrition of patients by calculating calories, proteins and water intake as per the patient requirement. PMID- 29207771 TI - Aspects of Evolving Genito Urinary Tuberculosis-A Profile of Genito Urinary Tuberculosis (GUTB) in 110 Patients. AB - Introduction: Genito Urinary Tuberculosis (GUTB) is a widespread disease seen in urology practice. The true incidence and prevalence of GUTB is difficult to estimate because a large number of patients remain asymptomatic. Aim: To recognize typical and atypical clinical and radiological features of tuberculosis and to emphasize the need for diagnosing GUTB early. Materials and Methods: This was a retrospective study conducted in 110 cases of GUTB diagnosed and treated in two teaching institutions over a period of three years, from July 2002 to June 2005. A detailed history, thorough clinical examination, urine examination, culture for tubercle bacillus, imaging studies, cystoscopy and histological and serological examination were done to arrive at a diagnosis. Results: Fifty six patients (51%) were in the age group of 21-40 years. The male: female ratio was 1.4: 1. Loin pain was the most common symptom observed in 27% of the patients. Intravenous Urogram (IVU) revealed non-visulalised kidney in 25 patients (23%), hydronephrosis or hydrouretero nephrosis in 34 patients (31%) and distortion, cavitation or scarring of the calyces in 16 patients (14.5%). Five of them had thimble bladder. In 14 patients, IVU appeared normal. About 28 patients (25%) were treated conservatively with anti tuberculosis therapy. Twenty one of them (19%) underwent Nephrectomy and 10 patients had reconstructive procedures. Conclusion: A peculiarity of most of our patients was a late presentation with advanced disease. Most patients were asymptomatic or ignorant. Slow but continuous infection causes a destruction of renal parenchyma and the healing process leads to renal parenchymal loss. If identified early and treated appropriately, GUTB is a curable condition. PMID- 29207772 TI - Comparison of Pain Relief from Different Intravenous Doses of Ketorolac after Reduction of Mandibular Fractures. AB - Introduction: Pain is an unpleasant feeling due to tissue destruction, which disturbs an individual's daily routines even at its lowest levels. The majority of surgeons and anaesthesiologists are increasingly trying to administer non opioid analgesics because excessive use of opioids after surgery results in patient dissatisfaction. Aim: To evaluate the analgesic effect of intravenous injection of different doses of ketorolac at different intervals in patients undergoing surgery for unilateral fractures of the mandible. Materials and Methods: In the present randomized clinical trial (March 2016 to January 2017, in Tabriz Imam Reza Treatment/Educational Center), 50 patients were assigned to five groups with simple randomization method. In Group 1 and 2, immediately before the induction of general anaesthesia 30 and 60 mg of ketorolac and in Group 3 and 4, immediately before termination of surgery 30 and 60 mg of ketorolac was injected intravenously. In Group 5, ketorolac was not administered. After each patient regained complete consciousness, the severity of pain was determined using VAS up to 24 hours at baseline and at 2, 4, 6, 12 and 24-hours intervals. The total dose of the opioid analgesic agent (morphine-pethidine) and the time for the first request for an analgesic agent were recorded for each patient and their means were compared in each group with suitable statistical tests. Results: The patients in Group 5 and 4 exhibited the highest and lowest mean pain scores (5.03+/-0.9 and 3.5+/-1), respectively. ANOVA for repeated measures and post-hoc Tukey tests showed significant differences only between Group 3 and 5 (p=0.002) and Group 4 and 5 (p=0.001), with no significant differences between the other groups (p>0.005). The highest dose of the analgesic agent was in Group 5 (5.3+/ 1.4 mg) and the lowest dose was recorded in Group 4 (1.6+/-0.6 mg). Patients in the control group received significantly higher doses compared to the other groups (p<0.05). The patients in Group 1 and 2 received higher doses of analgesics compared to Group 3 and 4 (p<0.05). The longest time for the request for the first dose of analgesic agent after surgery was 73.4+/-12.03 minutes in Group 4 The patients in the control group had requested analgesics after surgery at a significantly shorter time compared to the patients in all the study groups (p<0.05). The patients in Group 1 and 2 had requested analgesics at a shorter time after surgery compared to the subjects in Group 3 and 4 (p<0.05). Conclusion: Intravenous administration of 30 and 60 mg of ketorolac, immediately before termination of surgery, decreases the pain severity and the need for opioid analgesics after surgery. PMID- 29207773 TI - Testicular and Epididymal Metastasis from Prostate Carcinoma: A Rare Manifestation of Common Disease. AB - Carcinoma prostate secondary metastasis to testicle and epididymis is rare. We report a case of metastatic carcinoma prostate in which testicular and epididymal metastasis were diagnosed incidentally in bilateral orchiectomy specimen. Testicular and para testicular structure should be properly evaluated for accurate staging of carcinoma prostate. Epididymis should always be included in bilateral orchidectomy specimen. PMID- 29207774 TI - A Diagnostic Surprise For A Right Iliac Fossa Mass - A Perforated Ileal Gastrointestinal Stromal Tumour. AB - Gastrointestinal Stromal Tumours (GISTs) are tumours of the gut found mostly in stomach and small intestine. The complications are Gastrointestinal (GI) bleeding, obstruction, pain and rarely perforation. We are reporting an abnormal presentation of GIST masquerading as an acute abdomen with Right Iliac Fossa (RIF) mass in 60-year-old lady. Contrast Enhanced Computed Tomography (CECT) of abdomen revealed a peripherally enhancing encapsulated abscess in RIF in close contact with base of caecum and adjacent peritonitis suggesting caecal perforation. On laparotomy, a gangrenous perforated ileal GIST was identified along the antimesenteric border of ileum. Pathological examination confirmed the tumour to be a GIST of spindle cell type, further reiterated by immunohistochemistry. Our case report emphasizes, GIST as a rare and unusual differential diagnosis of RIF mass, and to have high degree of clinical suspicion when a similar situation is encountered in an emergency scenario, keeping in mind the poor outcome due to delay in appropriate management of the disease. PMID- 29207775 TI - Axial Torsion of Meckel's Diverticulum: A Rare Case Report. AB - Meckel's Diverticulum (MD) is the most common congenital anomaly of gastrointestinal tract, occurring in 2% of the population. It is a true diverticulum and histologically all four intestinal layers are present within MD. There are various complications related to a Meckel's diverticulum, including haemorrhage, intestinal obstruction, inflammation and perforation. Axial torsion followed by gangrene of MD is the rarest of the complications that have been reported. The exact mechanism for torsion is unclear. Preoperative diagnosis of torsion of MD is difficult and often confused with appendicitis as pain is usually localized to right lower quadrant. Radiological investigations do not provide much help in diagnosis. We report a case of axial torsion of MD presenting as acute abdomen in an 11-year-old female patient. The diagnostic laparoscopy was performed. Confirmatory diagnosis and further surgical management was done by exploratory laparotomy under general anaesthesia. PMID- 29207776 TI - Primary Adenocarcinoma of the Bulbomembranous Urethra in a 33-Year-Old Male Patient. AB - Primary Urethral Carcinoma (PUC) is considered as a rare tumour, accounts for less than 1% of all malignancies and an incidence rate of four cases per million patients. Incidence increases with the patient's age and most commonly present in seventh decades. Urothelial carcinoma is the most common type (76%) of the PUC, adenocarcinoma accounts for less than 5% of the PUC. No definitive protocol for tumour management for urethral adenocarcinoma has been described in the literature due to lack of prospective study and scarcity of the cases. Treatment usually depends on the site and stage of the tumour. We hereby report a case of 33-year-old male patient with urethral adenocarcinoma of bulbomembranous urethra spread to the prostatic urethra and left side inguinal lymph node. He was treated through multimodal therapy with surgery plus adjuvant chemotherapy. PMID- 29207777 TI - An Aggressive Primary Retroperitoneal Diffuse Large B-Cell Lymphoma Mimicking a Pancreatic Neoplasm, Presenting as Duodenal Stenosis. AB - Diffuse Large B-Cell Lymphoma (DLBCL) is the most common histological subtype of Non-Hodgkin's Lymphoma (NHL). Primary retroperitoneal DLBCL is uncommon and has seldom been reported. Extrinsic compression of the duodenum due to lesions originating from the retroperitoneum is also rare. We present a case of a 39-year old man who presented with inability to tolerate oral intake, abdominal pain, an upper abdominal mass and postprandial bilious vomiting caused by a large DLBCL arising from the retroperitoneum causing extrinsic compression of the duodenum. The cause of compression was initially presumed to be a neoplasm arising from the uncinate process of the pancreas or duodenum because of its proximity to the uncinate process and apparent widening of the C loop of duodenum. Repeat Computed Tomography (CT) scans were obtained because of the rapid increase in the size of the mass, normal levels of tumour markers such as Cancer Antigen (CA) 19-9, Carcinoembryonic Antigen (CEA) and no evidence of jaundice in spite of the large size of the mass. It revealed encasement of the uncinate process of pancreas with no involvement of parenchyma of the pancreas, thereby mimicking a pancreatic tumour. The neoplastic lymphoid cells were positive for Leukocyte Common Antigen (LCA), Cluster of Differentiation (CD)20, CD10, B-cell Lymphoma 2 (Bcl-2) and were negative for Creatine Kinase (CK), CD23, CD30, Anaplastic Lymphoma Kinase (ALK) and cyclin D1, D3 and D5. The Ki67 proliferative index was greater than 95%. Retroperitoneal DLBCL although rare should be considered in cases of duodenal obstruction. PMID- 29207778 TI - Delayed Tension Pneumothorax - Identification and Treatment in Traumatic Bronchial Injury: An Interesting Presentation. AB - A 13-year-old girl, who did not receive any treatment for few hours following Road Traffic Injury (RTI), reported to the Casualty Department and found to have patent airway with clinically normal C spine, air-hunger (RR 42/minute), trachea deviated to left, distended neck veins and absent breath sounds on the right side. The chest X-ray she carried, done immediately after the injury, showed right sided tension pneumothorax. She was put on oxygen at 11 L/minute and an Intercostal chest tube drainage (ICD) was inserted on right side. Her oxygen saturation (40%) failed to improve. ICD bag showed continuous bubbling and air entry remained absent on the right side. An urgent right thoracotomy was done which revealed right main bronchus tear; the tear was repaired using interrupted Prolene(r) sutures. Patient recovered well and was discharged 10 days later in a stable condition. PMID- 29207779 TI - Intraductal Tubulopapillary Neoplasm: A New Entity in the Spectrum of Pancreatic Intraductal Neoplasms. AB - Intraductal Tubulopapillary Neoplasms (ITPN) is a rare and new entity defined as an intraductal, grossly visible, tubule-forming epithelial neoplasm with high- grade dysplasia and ductal differentiation without overt production of mucin. Its clinical presentation can be varied, which makes the diagnosis quite challenging. In this report, we present a case of pancreatic ITPN and review the published work to learn clinicopathological, radiological features and treatment strategies of this recently proposed pancreatic neoplasm. PMID- 29207780 TI - Autoimmune Pancreatitis Type II: First Report from India. AB - Autoimmune Pancreatitis (AIP) presents in two forms - Type I or lymphoplasmacytic sclerosing pancreatitis and Type II or idiopathic ducto-centric pancreatitis (IDCP). AIP II is rare in south Asia and, especially so, in India. Most patients have either Idiopathic Chronic Pancreatitis (ICP) or alcohol related chronic pancreatitis. AIP Type I has been described in India. We herein report a patient who had features of ICP on imaging, for whom surgery was performed to relieve chronic pancreatic pain. However, the pathologic features revealed AIP Type II or IDCP. PMID- 29207781 TI - A Boy with a Congenital Sagittal Fissure of the Glans Penis Representing an Abortive Isolated Urethral Duplication. PMID- 29207782 TI - Prediction of Delivery in Women with Threatening Preterm Labour using Phosphorylated Insulin-Like Growth Factor Binding Protein-1 and Cervical Length using Transvaginal Ultrasound. AB - Introduction: Preterm delivery remains a challenge in Obstetrics as it is responsible for significant cause of perinatal morbidity and mortality. At present there is no standard test for prediction of preterm labour for timely referral to a center with NICU facilities. Aim: To evaluate the effectiveness of the cervical phosphorylated insulin like growth factor binding protein-1(phIGFBP 1), cervical length measurement and combination of phIGFBP-1 with cervical length for Predicting Preterm Labour (PTL). Materials and Methods: It was a observational prospective study done from January 2014 to April 2015 in Department of Obstetrics and Gynaecology, NDMC Medical College and Hindu Rao Hospital, Delhi, India. A total of 100 women with singleton pregnancy, between 24 and 36 weeks of gestation with complaint of uterine contractions were randomly selected. These women were subjected to detect phIGFBP-1 in cervical secretions and cervical length measurement by Transvaginal Sonography (TVS). Result of the test, cervical length and time lapse between test and delivery was noted and the results were analysed. The cervical length less than 25 mm was used as a cut off point for predicting pre-term delivery. Data was analysed using SPSS software version 20.0. Results: The Negative Predictive Value (NPV) of phIGFBP-1 and cervical length was similar (95.2% vs 94.05%) respectively for prediction of preterm labour within one week of admission and 93.92% vs 94.80% at 37 weeks of gestational age. Combined test had higher NPV of 96.38% at 34 weeks of gestation and 94% within two days of admission. Positive Predictive Value (PPV) was low for both the test and combining the two-test did not have any advantage as far as PPV was concerned. Receiver Operating Characteristic (ROC) curve showed that the combined test had a superior result in predicting PTL compared to either phIGFBP 1 or cervical length. The combined test had steepest ROC curve at < 34 weeks of gestation (AUC-0.83 with 95% CI). Conclusion: The phIGFBP-1 test and cervical length have an almost equivalent ability to predict preterm delivery independently. The combined use of phIGFBP-1 and TVS for cervical length shows an increase in efficacy in predicting preterm labour. PMID- 29207783 TI - Evaluation of Maternal and Perinatal Outcomes of Induction in Borderline Oligohydramnios at Term. AB - Introduction: Oligohydramnios is described as decreased amniotic fluid volume relative to gestational age. Semiquantitatively it is described using the Amniotic Fluid Index (AFI) which is calculated by adding the depth in centimetres of the largest vertical pocket in each of four equal uterine quadrants. AFI less than or equal to 5 cm is defined as oligohydramnios. A Borderline Oligohydramnios (BO) is defined as AFI 5.1-8 cm. Aim: To assess the maternal and perinatal outcome of induction in borderline oligohydramnios cases at term. Materials and Methods: This is a retrospective observational study done from December 2015 to November 2016 in Mahatma Gandhi Medical College and Research Institute, Puducherry, India. Fifty cases of BO with AFI 5.1 cm - 8 cm taken as case and another 50 cases of Normal Liquor (NL) with AFI 8.1 cm - 18 cm taken as control. Data was collected and analysed by SPSS software version 20.0 For qualitative data, the chi2-test or Fisher's-exact test were used and for continuous variables, the t-test was used. Results: Cases and controls were matched in baseline parameters. More number of cases were found with meconium stained liquor during labour which is statistically significant (p<0.05). Otherwise there were no statistical significant difference between cases and controls in maternal and perinatal outcome. Conclusion: Induction of labour in cases with BO cases compared to those with NL at term did not show very statistically significant difference in terms of induction to delivery interval and neonatal outcome. PMID- 29207784 TI - Emergency Peripartum Hysterectomy: A 14-Year Experience at a Tertiary Care Centre in India. AB - Introduction: Emergency Peripartum Hysterectomy (EPH), although relatively infrequent in present day obstetrics, is a life-saving procedure in the event of a massive postpartum haemorrhage. Aim: To assess incidence, risk factors, indications and complications of peripartum hysterectomies at a tertiary care teaching hospital in India. Materials and Methods: A retrospective study was conducted at 650-bedded tertiary care medical teaching hospital in Southern India. All emergency peripartum hysterectomies performed between February 2002 and December 2015 at a tertiary care teaching hospital, were included in the study. Demographic characteristics, risk factors, antepartum, intrapartum and post-partum events, need for blood transfusion, length of stay in intensive care unit and postoperative complications were noted. Data was entered in Microsoft Excel spreadsheet and analysed using SPSS software version 22.0. For categorical variables, data was compiled as frequency and percent. For continuous variables, data was calculated as mean+/-SD. Results: Among 16,473 deliveries in the study period, 12 emergency peripartum hysterectomies were undertaken, the incidence being 0.073%. Women were aged 20 to 40 years (mean 30.25 years). Majority (83%) were multiparous women. Atonic postpartum haemorrhage was the most common (58%) indication for hysterectomy. About 67% of hysterectomies performed were subtotal hysterectomies. One half of them had a previous caesarean section. Two patients had bilateral internal iliac artery embolization for ongoing haemorrhage. All patients required intensive care and blood transfusion. Two patients did not survive even after hysterectomy. Conclusion: Atonic postpartum haemorrhage was the most common reason for performing an emergency peripartum hysterectomy. Women with previous caesarean section are at increased risk, both due to atonic and traumatic postpartum haemorrhage. Regular departmental audits are needed to formulate appropriate protocols to decrease mortality and near-miss events like EPH. Stringent protocols should be instituted for managing obstetric haemorrhage. Although EPH is life-saving, early intervention by a senior obstetrician well versed with conservative procedures may avoid morbidity associated with EPH. PMID- 29207785 TI - Role of Sonographic Gray-Scale Pattern Recognition in the Diagnosis of Adnexal Masses. AB - Introduction: Characterization of adnexal masses as benign or malignant is of utmost importance for optimal management and prognostication. Ultrasound examination plays an important role in the differentiation of adnexal masses. Various sonographic characteristics have been recognised to differentiate benign and malignant adnexal masses. Subjective evaluation of gray-scale ultrasound images by an experienced ultrasound examiner to discriminate adnexal masses is known as "pattern recognition". Aim: To access the efficacy of pattern recognition at predicting an accurate histological diagnosis of adnexal masses. Materials and Methods: All adnexal masses diagnosed clinically or during screening sonography were included in the study (n=136). Sonographic pattern recognition was performed and documented with specific diagnosis whenever feasible. Risk of Malignancy Index 3 (RMI3) score was also calculated. Results were compared with the gold standard histology. Chi-square test was used to assess the significance of the results and a p-value <0.05 was considered statistically significant. Results: In the final cohort of 136 women, on pattern recognition, 91 were suspected to have benign adnexal masses and 45 were reported as malignant adnexal masses. However, on final histo-pathology, 94 patients had benign tumours and 42 patients had malignant disease. The benign group pattern recognition could render a specific diagnosis in 85.7% as compared to RMI3 pattern recognition conferred a sensitivity of 95.2% (RMI3 78.6%), with a slight compromise in the specificity (94.7% versus 96.8%). Conclusion: Pattern recognition is a sensitive and specific sonographic tool in discriminating benign and malignant adnexal masses. Moreover, it is also useful in differentiating various benign adnexal masses. PMID- 29207786 TI - Recurrent Vaginal Cuff Dehiscence in a Treated Case of Carcinoma Cervix. AB - Vaginal Cuff Dehiscence (VCD) is partial or total separation of anterior and posterior vaginal cuff layers. We report a case of recurrent vault cuff dehiscence in a patient of cervical carcinoma. A 60-year-old treated case of carcinoma cervix post surgery and radiotherapy was found to have vault dehiscence and intestinal prolapse second time during a routine speculum examination. She underwent an emergency laparotomy and closure of vault. Vaginal Cuff Dehiscence with Evisceration (VCDE) is a rare but potentially fatal complication following hysterectomy. Postoperative infection, poor technique, hematoma, coitus before healing, radiotherapy, corticosteroid therapy are the risk factors. Radiotherapy leads to progressive obliterative endarteritis and resultant tissue hypoxia. There is paucity of literature regarding the best management of VCD, but early corrective intervention is necessary. Patients and the treating physicians should be made aware of this possibility especially those receiving adjuvant radiation or cases of robotic or laparoscopic hysterectomies. PMID- 29207787 TI - Primary Adenocarcinoma of the Fallopian Tube: A Rare Entity. AB - Primary fallopian tube carcinoma is an uncommon gynaecologic malignancy usually seen in postmenopausal females. We present a case of a 66-year-old postmenopausal female who presented with complaint of blood mixed vaginal discharge on and off for past one month. Workup of the patient revealed no abnormality other than presence of atypical squamous cells on Papanicolaou (PAP) smear. MRI showed mildly bulky cervix with around 4cc fluid in endometrial cavity. As the patient remained symptomatic and fluid in endometrial cavity persisted, total abdominal hysterectomy with bilateral salpingo-oophorectomy was done. On histopathological examination, fimbrial end of left tube had features of poorly differentiated papillary serous adenocarcinoma. Postoperatively, she was given chemotherapy and is doing well with more than 3 years of follow up. This case highlights the importance of high suspicion in postmenopausal women with bleeding per vaginum, where there is little to suggest clinically or radiologically. PMID- 29207788 TI - Hyperparathyroidism during Pregnancy- A Diagnostic and Therapeutic Challenge. AB - Primary Hyperparathyroidism (PHP) is a rare event in pregnancy; Maternal complications in PHP patients can be as high as 67%. It can be overlooked easily because of many similar complaints shared by hyperparathyroidism and pregnancy such as nausea and vomiting, gastritis, bone aches, easy fatigability. Hypercalcemic crisis can develop resulting in coma and death. Neonatal effects are tetany and death in about 80% of cases. We report a case, of an antenatal woman at 30 weeks gestation with complains of painful swelling in left lower jaw and below right knee, pain over right hip joint and frequent episodes of gastritis. She was finally diagnosed to have primary hyperparathyroidism and brown tumour due to parathyroid adenoma. The baby was kept in Neonatal Intensive Care Unit (NICU) for three weeks, in view of prematurity with respiratory distress and later developed sepsis with DIC. The patient's signs and symptoms regressed after parathyroid surgery and the baby was healthy at the time of discharge. This case highlights the progressive deterioration of the patient because of lack of awareness of this disease process and its impact on maternal and foetal morbidity. PMID- 29207789 TI - Minerals in Pregnancy and Lactation: A Review Article. AB - Micronutrients (include vitamins and minerals) are essential for normal function, growth and development. Minerals have important effects on the health of the mother and foetus. But biological mechanisms of minerals are not completely understood. Micronutrient deficiency during pregnancy can lead to anaemia, hypertension, obstetric complications and even maternal death and in foetus lead to a fail in growth and development. Mineral deficiency during pregnancy, particularly exist in developing countries. During pregnancy due to the increased demands caused by physiological changes, deficiency is exaggerated and as a result its complications occur. Thus, ensuring to receive enough macronutrients and micronutrients before and during pregnancy, is important. Nevertheless, there are controversies regarding administrating supplements. There are not enough studies about some of the minerals and the challenges remain. Regarding the importance of minerals in pregnancy and lactation, in this review we will analyze the role of them in pregnancy and lactation. PMID- 29207790 TI - Large Vulvar Haematoma of Traumatic Origin. PMID- 29207791 TI - Gastroenteritis In Pregnancy: Relevance and Remedy. PMID- 29207792 TI - Clinical Evaluation of Efficacy and Performance of All-Poly Tibial Freedom(r) Total Knee System for Treating Osteoarthritis Patients: Three-Year Follow Up Study. AB - Introduction: Advancement in technology in terms of design and building materials has made Total Knee Replacement (TKR) a highly effective, safe, and predictable orthopedic procedure. Aim: To review the clinical outcomes for efficacy and performance of Freedom Total Knee System for the management of Osteoarthritis (OA), at a minimum of three years follow up. Materials and Methods: For this retrospective, post-marketing study, clinical data of patients treated with Freedom Total Knee System was retrieved from the clinical records after approval from the Institutional Ethics Committee . All the patients above the age of 18 years who completed at least three years after TKR were observed for the study purpose. Patients treated for OA were included while the patients who received the implant for treatment of rheumatoid arthritis and traumatic injury were excluded. Factors such as aseptic loosening, implant failure, and need for revision surgery were observed to evaluate implant performance. Cases were recruited for clinical assessment of primary efficacy endpoint in terms of post surgery maximun range of motion. Secondary efficacy endpoint was to determine the clinical and social quality of life as per the American Knee Society Score (AKSS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain and stiffness scores. Results: A total of 158 patients who had 191 TKR were observed for performance. The mean age of the patients was 67.67 years; mean BMI was 28.97+/-3.33, and the group comprised of 43% men and 57% women. Telephonic follow up at three years of 158 patients identified that none of them required revision surgery or had aseptic loosening suggesting excellent performance. Final clinical follow up at three years was available for only 35 patients (41 knee implants). The range of motion significantly improved from preoperative 104 degrees +/-5.67 degrees (range, 85 degrees -119 degrees ) to 119.8 degrees +/ 11.05 degrees (98 degrees -123 degrees ) at follow-up (p<0.05). There was a significant improvement in clinical and functional AKSS score and WOMAC score at follow-up. Conclusion: The evaluation of Freedom Total Knee System for TKR in treating OA, at a minimum of three years follow up showed excellent outcomes in terms of performance, range of motion, reduced postoperative stiffness and pain, and improved functionality. PMID- 29207793 TI - Posterior Dislocation of Subtalar Joint without Associated Fracture: A Case Report and Review of Literature. AB - Posterior subtalar dislocation is an exceedingly rare entity. Clinically, the appearance of the foot can simulate a complex fracture dislocation. It is important to recognize that not all posterior subtalar dislocations are true posterior dislocations. We report a true posterior subtalar dislocation in a 34 year-old female, managed promptly with closed reduction and resulting in an excellent functional outcome. A chronic dislocation or an irreducible dislocation may need open reduction. PMID- 29207794 TI - Non Traumatic Fracture of Pedunculated Osteochondroma: Conservative Management of a Rare Case. AB - Fracture of a pedunculated osteochondroma is a rare complication for which surgical treatment is usually advocated. In this report, we present the functional and radiological outcomes of a case of a conservatively treated fracture of a pedunculated osteochondroma. A 26-year-old man with no history of trauma presented with acute onset of left knee pain, oedema, and limited range of motion. Radiological assessment revealed a fracture of a pedunculated osteochondroma. It was treated conservatively with an elastic bandage and non steroidal anti-inflammatory drugs, and union was achieved by the 12-week follow up, with no complications. Although surgical treatment is usually advocated for a pedunculated osteochondroma fracture, conservative treatment should be the first approach to avoid complications of surgical intervention. PMID- 29207795 TI - Association between Vascular Endothelial Markers and Carotid Intima-Media Thickness in Children and Adolescents with Type 1 Diabetes Mellitus. AB - Introduction: Type 1 Diabetes Mellitus (T1DM) is one of the important risk factor for cardiovascular disease. Endothelial dysfunction and increased Carotid Intima Media Thickness (CIMT) result in cardiovascular complications. Vascular Cell Adhesion Molecule-1 (VCAM-1) and Intercellular Adhesion Molecule-1 (ICAM-1) are two adhesion molecules that are markers of early atherosclerosis and play a significant role in developing atherosclerosis. Aim: To evaluate CIMT and its association with the levels of ICAM-1 and VCAM-1 in children and adolescents with T1DM. Materials and Methods: In this descriptive, cross-sectional study conducted between April 2013 and September 2014, 29 children aged 7-20 years with T1DM for at least two years and 29 age and sex-matched, healthy individuals were evaluated. Plasma level of ICAM-1 and VCAM-1 was measured by ELISA, and CIMT via Doppler ultrasound was also assessed. The data were analysed by t-test and Pearson's correlation coefficient in SPSS 16.0 (p<=0.05). Results: Independent t test indicated that there is a significant difference in ICAM-1 level between the patients and controls (p<0.001). Further, CIMT was significantly higher in diabetic subject (p<0.001). CIMT was not significantly associated with the level of VCAM-1 and ICAM-1 in the patients (p>0.5). Conclusion: ICAM-1 and VCAM-1 were not associated with CIMT but, CIMT and level of ICAM-1 were significantly, higher in diabetic patients, and therefore could be used as useful tools for identification of early atherosclerosis in children and adolescents with T1DM. PMID- 29207796 TI - Clinico-Aetiological Study of Severe and Very Severe Pneumonia in Two Months to Five Years Children in a Tertiary Health Care Centre in Odisha, India. AB - Introduction: Pneumonia is a major cause of mortality under five-year-old children. In spite of recent advances in management, there is paucity of data on clinical, aetiological profile of severe and very severe pneumonia among under five-year-old children in developing countries. Aim: To determine the clinico aetiological factors of severe and very severe pneumonia and its outcome in children aged two -months to five-years in a tertiary health care centre in Odisha, India. Materials and Methods: This was a prospective observational study. All the patients between two-months to five-years age admitted to SCB Medical College, Cuttack, Odisha, India, were screened for features of severe and very severe pneumonia based on WHO diagnostic criteria, over a one year period. Out of 10300 patients admitted to our hospital during the study period; 141 cases were included in the study. Their clinical parameters were recorded and were followed up till discharge or death. Continous variables were analyzed using Student t test or Mann-Whitney U test whereas categorical data were analyzed using Pearson Chi square test or Fischer Exact test. Results: Out of 141 patients included in the study, cough, tachypnea and chest retractions were present in 100% cases while fever in 97.1% (137) cases. In 17% (24) cases, bacterial pathogen was isolated. Most common organism being Staphylococcus aureus 8.51% (12) followed by Streptococcus pneumonie 6.4% (9). Higher mortality 11.34% (16) was found among patients presenting after three days of illness (p=0.048). About 17% (24) patients developed complications. Common complications were sepsis 5.6% (8), CCF 4.2% (6) and empyema 4.2% (6). Higher mortality 22 (15.6%) was observed in very severe pneumonia group (p=0.003). Conclusion: The incidence of severe and very severe pneumonia was higher in infancy. Rainy and winter season were associated with higher incidence of disease. Bottle feeding practice and smoking were significantly associated with more severe disease. Death rate was high among patients admitted to hospital after three days of onset of illness, so early referral is indicated for better outcome. PMID- 29207797 TI - Audit of Organic Acidurias from a Single Centre: Clinical and Metabolic Profile at Presentation with Long Term Outcome. AB - Introduction: Organic Acidurias (OA) accounts between 10% and 40% of confirmed Inborn Errors of Metabolism (IEM) in India. With prompt recognition and management, better survival but adverse neurodevelopmental outcome is reported. Aim: To study the clinical and metabolic presentation, management with immediate and long term outcome of symptomatic children with confirmed OA. Materials and Methods: Hospital based study of symptomatic children diagnosed to have OA between 2003 and 2009 and the survivors followed up over next five years. Diagnosis was based on clinical and metabolic presentation and confirmed by spectrometry analyses of urine and blood. Management, immediate outcome, compliance to treatment and recurrence of crises were documented. Neurodevelopmental outcome was assessed in follow up. Mean with Standard Error (Mean +/- SE) and frequencies with percentages were calculated. Results: Of 72 cases suspected to have IEM, 38 (52.8%) were confirmed of (IEM), and out of which 15 (39.5%) had OA. Methyl malonic acidemia, multiple carboxylase deficiency and Propionic Acidemia (PA) constituted the largest proportion. Neurodevelopmental issues (73.3%) and metabolic crisis (53.3%) were common presenting features. Mean +/- SE of ammonia was 639.0+/-424.1 MUg/dl and lactate was 33.6+/-4.9 mg/dl. Mean pH, bicarbonate, and anion gap was 7.27+/-0.07, 14.1+/-2.3 and 17.9+/-2.3 respectively. Management was protocol based. Death was reported in two cases of PA; other morbidities were seen in five. Recurrent crisis (46.7%) complicated the follow up in survivors. Spasticity, extrapyramidal movement disorder, intellectual subnormality, autism spectrum, attention deficit hyperactivity disorder and sensory neural deafness were seen amongst survivors, in spite of compliance to therapy. Conclusion: OA is part of differential diagnosis in sick children and treatment needs to be prompt and specific. Prognosis is guarded even with long term cofactor supplementation in the symptomatic. PMID- 29207798 TI - Does Vitamin D Supplementation Improve Glycaemic Control In Children With Type 1 Diabetes Mellitus? - A Randomized Controlled Trial. AB - Introduction: Vitamin D endocrine system is a potential immune system modulator and has been implicated in the pathogenesis of several autoimmune diseases including Type 1 Diabetes Mellitus (T1DM). Studies have demonstrated an inverse risk relationship between T1DM and Vitamin D levels and also, shown a reduced risk of the disease with its supplementation. Aim: To evaluate the role of Vitamin D as an adjuvant in improving glycaemic control and residual pancreatic beta-cell function. Primary outcome was the mean change in HbA1c levels over a period of six months. Materials and Methods: This double-blinded randomized controlled trial was done in a tertiary care hospital, Southern India and included 52 children aged 1-18 years with T1DM, with 26 participants each in the intervention and standard of care arm. Oral Vitamin D therapy was administered once a month for six months in addition to insulin in intervention arm while only insulin was continued for other arm. Plasma HbA1c, serum 25-Hydroxy vitamin D (25OHD), insulin dose and C-peptide were measured at baseline and repeated after 6 months. Results: Prevalence of Vitamin D deficiency was as high as 63.5% i.e., 33 of total 52 children with T1DM. The mean C-peptide levels were significantly high in intervention arm as compared to standard of care after six months. However, there was no significant difference in HbA1c, and insulin requirement at six months between the two groups. No adverse events due to Vitamin D therapy were noted. Conclusion: Oral Vitamin D may serve as an adjuvant to insulin therapy for children with T1DM by augmenting residual beta-cell function and improving insulin secretion. However, a significant decrease in HbA1c level and requirement for exogenous insulin was not achieved in our study. PMID- 29207799 TI - Change in Bone Mineral Density and Role of Vitamin D and Calcium Supplementation During Treatment of First Episode Nephrotic Syndrome. AB - Introduction: Nephrotic Syndrome (NS) is one of the common illnesses in childhood. Oral glucocorticoids are mainstay of treatment, which are known to cause various short term and long term adverse effects including osteoporosis. Children with first episode and infrequent relapsing NS are not prescribed Calcium (Ca) and Vitamin D (VitD) supplements routinely. Aim: To observe change in Bone Mineral Density (BMD) in children during first episode of NS and role of VitD and Ca supplementation during the treatment of first episode of NS. Materials and Methods: A double blind randomized control trial was conducted in Department of Paediatrics at a tertiary care center in New Delhi, India, from October 2011 to March 2013. Three groups were made, each having sample size of 20. Group A (intervention group) consisted of first episode NS patients who received steroids along with VitD and Ca supplements. Group B (placebo group) had children with first episode of NS treated with steroids and placebo. Biochemical tests and BMD assessment were done at start and after three months of steroid treatment. Groupwise differences in BMD, VitD, Ca, Phosphate (PO4) and Alkaline Phosphatase (ALP) were assessed at baseline and after three months through Analysis Of Variance (ANOVA). Linear regression models for repeated measures were used to test the association between different variables and BMD and also between various study groups. Results: Among study population, Group B had significant decrease in VitD levels (28.85+/-5.52 ng/dl to 14.22+/-1.36 ng/dl) than to Group A (23.59+/-6.08 ng/dl to 13.27+/-1.35 ng/dl) after three months of steroid treatment. Similarly BMD decreased significantly in Group B (-0.033g/cm2) as compared to Group A (0.001g/cm2) showing significant decrease in VitD and BMD in children with first episode of NS after three months of steroid treatment whereas use of VitD and Ca supplements improves the deficit. Conclusion: Ca and VitD supplement should be used during treatment of first episode of NS, but further studies are required to ascertain the adequate dose for the same. PMID- 29207800 TI - Right Pulmonary Venous Atresia: A Rare Cause for Recurrent Unilateral Pneumonia. AB - Recurrent unilateral pneumonia poses a diagnostic dilemma for all paediatricians. Isolated pulmonary venous atresia is an uncommon entity, which presents with recurrent unilateral pulmonary infections, dyspnoea on exertion and haemoptysis. It is associated with significant mortality and morbidity. Owing to rarity of condition, there may be some difficulties in the diagnosis and therapy. Pulmonary angiography is the investigation of choice. However, the current multislice CT scanners may obviate the need for pulmonary angiography. We report a two-year-old child with this rare congenital malformation and discuss diagnostic modalities and management options. PMID- 29207801 TI - Autoimmune Haemolytic Anaemia-A Spectrum of Presentation in Children. AB - Autoimmune Haemolytic Anaemias (AIHAs) are rare in children. They can be either a primary disease or secondary to/triggered by a host of other clinical conditions. We present five interesting cases of paediatric AIHA associated with infections (viral, bacterial and atypical) and autoimmune diseases {Systemic Lupus Erythematosus (SLE) and Autoimmune Hepatitis (AIH)}. The H1N1 influenza associated AIHA responded to oseltamivir and Intravenous Immunoglobulin (IvIg) while the cases secondary to Mycoplasma pneumoniae and pneumococcal bacteraemia required only treatment of the primary infection. AIHA with SLE responded well to corticosteroid therapy but the patient with AIH and AIHA succumbed to severe liver failure. Rest of the four cases with good response to therapy did not have any recurrence/relapse of AIHA during their follow up periods. PMID- 29207802 TI - Image Findings of Solid Pseudopapillary Neoplasms of the Pancreas on Multiphasic Multidetector CT Scan-A Single Institute Experience from Southern India. AB - Introduction: Solid Pseudopapillary Neoplasms (SPN) are uncommon pancreatic tumours and are slow growing with uncertain malignant potential, showing female preponderance. Postoperative prognosis is good and metastasis is rare. Aim: To summarise the imaging and pathological features of seven cases of SPN in three years period, from January 2013 to January 2016. Materials and Methods: In this retrospective study the imaging features of seven cases on triphasic multidetector Computed Tomogram (CT), a 16-slice scanner, were reviewed along with CT-guided Fine Needle Aspiration Cytology (FNAC) and histopathological examination. Statistics were expressed in terms of percentiles. Results: All cases were female patients with an age range of 13-35 years (mean: 23.3 years). On CT assessment, the size of the tumours varied from 2.5-14 cm (mean: 5.3 cm). All these tumours were well capsulated and round to oval in shape. In four out of seven cases, the tumour was located in the tail of pancreas. All the solid enhancing portions showed moderate enhancement of at least 20-30 HU compared to unenhanced scan, on the other hand the cystic parts remained unenhanced with <5 HU variation in comparison to the plain scan. Histopathological examination exhibited characteristic poorly cohesive cuboidal cells arranged in papillaroid pattern having fine nuclear chromatin with nuclear grooves. Conclusion: Solid pseudopapillary neoplasm is a high diagnostic possibility in case of a young female having pancreatic mass and needs to be evaluated with triphasic contrast enhanced CT scan, followed by FNAC and or histopathological examination. PMID- 29207803 TI - Radiological Manifestations of Pulmonary Tuberculosis - A Comparative Study between Immunocompromised and Immunocompetent Patients. AB - Introduction: Pulmonary tuberculosis has atypical radiological manifestations in patients with underlying immunocompromised disease like diabetes and human immunodeficient virus infection. Computed tomography has important role in such patients for early diagnosis of disease and management to minimize complication. Aim: To evaluate and compare the computed tomography chest features of pulmonary tuberculosis in between immunocompromised patients and immunocompetent patients. Materials and Methods: This cross-sectional study was conducted in the hospital on newly diagnosed 60 pulmonary tuberculosis patients of which 30 patients had no underlying disease (Immunocompetent Group) and 30 patients had diabetes mellitus or were human immunodeficiency virus seropositive (Immunocompromised Group). CT scan of chest were evaluated for each patient. Results: In immunocompetent patients, 36.7% had radiologically atypical presentation,90% had nodular opacities, 73.3% had consolidation, 23.3% had lymphadenopathy, 60% had cavitation and cavitatory lesion were single in 94.4% patients. Isolated upper lung field were involved in 60% patients. In immunocompromised patients 76.7% had radiologically atypical presentation, 66.7% had nodular opacities, 46.7% had consolidation, 63.3% had lymphadenopathy, 20% had cavitation and cavitatory lesions were multiple in 60% patients. Isolated lower lung field were involved in 23.3% patients. Conclusion: We concluded that immunocompromised patients have more atypical involvement of lung fields, higher prevalence of lymphadenopathy as compared to immunocompetent patients. Diabetic patients have multiple cavitatory lesions as compared to non-diabetic patients. HIV seropositive patients have more prevalence of lymphadenopathy as compared to HIV seronegative patients. PMID- 29207804 TI - An Evaluation of Dental Crowding in Relation to the Mesiodistal Crown Widths and Arch Dimensions in Southern Indian Population. AB - Introduction: With the advancement in imaging technology, 3D dental computed tomography plays a very significant role in orthodontic treatment and diagnosis. Aim: To evaluate dental crowding in relation to the mesiodistal crown widths and arch dimensions and also to determine the differences of dental crowding among males and females, in Southern Indian population. Materials and Methods: A total of 132 subjects were divided into two groups: crowded and non-crowded, each comprising 66 subjects (33 males and 33 females), aged between 15 and 35 years, who were referred for computed tomography scan of brain to the radiology department, were selected. During the scan both the jaws were included in the image. The 2D images were converted to 3D images using volume rendering software. By using measurement tool, individual and collective mesiodistal crown widths of canine, first and second premolar and first molar and arch perimeter of both the maxillary and mandibular jaws were measured. Results: When both the gender were considered, the mesiodistal crown widths and arch perimeter were statistically significant for dental crowding in both mandibular jaw (p-value=0.001 for both mesiodistal crown width and arch perimeter) and maxillary jaw (p-value=0.016 for mesiodistal crown width and 0.002 for arch perimeter). However, when analysed separately, in males the mesiodistal crown widths and arch perimeter were statistically significant for dental crowding in both mandibular jaw (p value=0.001 for mesiodistal crown width and 0.002 for arch perimeter) and maxillary jaw (p-value=0.002 for mesiodistal crown width and 0.001 for arch perimeter) but in females it was not statistically significant in any jaw (p value=0.7 for mesiodistal crown width and 0.06 for arch perimeter in mandibular jaw and p-value=0.2 for mesiodistal crown width and 0.9 for arch perimeter for maxillary jaw). The crowded group had larger tooth size and smaller arch perimeter. Conclusion: This study concluded that in males, both the factors i.e., mesiodistal crown width and arch dimensions contributed to dental crowding and the crowded dentition had larger mesiodistal tooth size and smaller arch dimensions; whereas, in females both the factors were not responsible for crowding in Southern Indian population. PMID- 29207805 TI - Benign Lesions on Screening Mammography: Increasing Diagnostic Confidence in a Hitherto Unscreened Population. AB - Introduction: Screening mammography is used for detection of breast cancer and is interpreted using the Breast Image Reporting and Data System (BIRADS) convention. It is not routinely offered to women in countries which do not have a national screening programme resulting in a challenge for the radiologist who has to interpret these in the absence of previous mammograms. Aim: To analyse benign and probably benign lesions in screening mammograms in a hitherto unscreened population and suggest protocols to increase diagnostic confidence. Materials and Methods: Screening mammograms of 362 asymptomatic women in the age range of 40 to 60 years carried out over a two year period were retrospectively analysed. Patients of breast cancer and those who had palpable lumps were excluded from the study. All images were analysed in standard Mediolateral Oblique (MLO) and Craniocaudal (CC) projections with additional views wherever necessary. Corroborative ultrasound had been carried out wherever indicated in the opinion of the interpreting radiologist. The mammograms were finally classified according to the BIRADS convention. Results: Of the total number of 362 women screened, most of whom did not have any previous mammogram, 162 were reported as BIRADS I, 179 as BIRADS II and 18 as BIRADS III. The mammograms reported as BIRADS II had various findings including dystrophic calcification/macrocalcification, vascular calcification, simple cysts and fibroadenomas. Only 26 (16.04%) of the BIRADS I mammograms had undergone further evaluation with Ultrasound (US) due to dense breasts or asymmetrical involution of breast tissue whereas 76 (42.5%) of the BIRADS II mammograms had undergone further evaluation with US to characterize lesions like cysts and fibroadenomas, but occasionally also for benign clustered calcification. Of BIRADS III mammograms, 12 (66.6%) had required US correlation to exclude a mass in cases with dense breasts. The increased likelihood of ultrasound corroboration in BIRADS II and BIRADS III was analysed using the Chi square test and was statistically significant. Conclusion: In the absence of previous screening mammograms, a small number of BIRADS I mammograms and a significant number of BIRADS II and BIRADS III mammograms undergo a corroborative US examination. The addition of supplemental US to the evaluation of these lesions increase diagnostic confidence and lesion characterization in a population which is not subject to routine screening. PMID- 29207806 TI - Rapunzel Syndrome. AB - A bezoar refers to a mass of undigestible foreign material found in the gastrointestinal tract, mainly stomach. The second most common bezoar is the trichobezoar, which usually occurs in the young psychiatric female patients with history of trichotillomania and trichophagia. This is a case report of a 12 -year old female patient came with complaints of diffuse abdominal pain, vomiting, and constipation. Ultrasound, Barium X-ray and Computed Tomography scan were done, which suggested trichobezoar. Thus, trichobezoar should be considered as differential diagnosis of abdominal pain in young female patients with associated psychiatric complaints. A review is presented here, as a high index of suspicion for better diagnostic facilities which can help in timely diagnosis and intervention, to prevent further complications like intestinal obstruction, perforation and mortality in such children. PMID- 29207807 TI - Epididymal Cystic Lymphangioma Presenting as Scrotal Swelling in a Post Surgery Case of Carcinoma Rectum- A Case Report. AB - Cystic lymphangiomas are usually congenital malformations of draining lymphatic channels with most common sites including neck, axilla, mediastinum and retroperitoneum. Occurrence of lymphangiomas in scrotum or inguinal region is a rare entity and epididymal origin of these lesions is even more infrequent. We herein report a case of epididymal lymphangioma detected on USG, which developed after surgical abdominal lymph nodal dissection in an adult patient of carcinoma rectum presenting as painless scrotal swelling. PMID- 29207808 TI - Chilli Sign: Pathognomonic Sign for Ruling Out Sacral Agenesis on Foetal MRI. PMID- 29207809 TI - Therapeutic Efficacy of Ozone Injection into the Knee for the Osteoarthritis Patient along with Oral Celecoxib and Glucosamine. AB - Introduction: Suffering from osteoarthritis is prevalent among elderly patients so the use of intra-articular injection of medical ozone may well be the effective way to relieve their pain. Aim: To evaluate the effect of intra articular injection of medical ozone given into the knee of the osteoarthritis patients, and to compare it with taking celecoxib and glucosamine orally. Materials and Methods: In the present study, 76 patients suffering from osteoarthritis were randomly assigned into two groups. In the ozone group, 20 ml ozone-oxygen mixture gas concentration of 20 MUg/ml was injected into knee articular cavity and each patient took oral celecoxib and glucosamine hydrochloride. Patients in control group only took the celecoxib and glucosamine hydrochloride orally.Pain score and Lysholm knee score were measured prior to the injection (pretreatment) and at one, three, six weeks after the beginning of the treatment (posttreatment). Results: After the treatment, the pain intensity and function significantly improved in the two groups compared with the pretreatment (p<0.05). In the ozone group, three weeks after intervention, the pain score improved significantly when compared with the control group (p<0.05).After the treatment, the lysholm scores increased significantly (p<0.05), but in the ozone group, it improved faster. Conclusion: Intra-articular injection of ozone plus oral celecoxib and glucosamine could significantly decrease pain intensity in patients with mild to moderate Knee Osteoarthritis (KOA), and improve their functional status early than oral celecoxib and glucosamine only. PMID- 29207810 TI - Comparative Study of the Effect of Dexmedetomidine Vs. Fentanyl on Haemodynamic Response in Patients Undergoing Elective Laparoscopic Surgery. AB - Introduction: Dexmedetomidine and fentanyl, both have sedative and analgesic effects. They are often used as adjunct during anaesthesia to attenuate pressor response during tracheal intubation. Limited study has been done comparing the effect of both drugs on haemodynamic response in patients undergoing laparoscopic surgery. Aim: The study was designed to compare the effect of dexmedetomidine Vs fentanyl on haemodynamic response to tracheal intubation, following pneumoperitoneum and intraoperative period in patients undergoing laparoscopic surgery. Materials and Methods: Sixty patients of age group 18-60 years of either sex, classified as American Society of Anaesthesiologist (ASA) Grade I and II undergoing elective laparoscopy surgery were randomly allocated to one of the two groups (Group-D) and (Group F) of 30 each. Group D received dexmedetomidine and Group F received fentanyl. Patients received intravenous 0.5 MUg/kg of the study drug as loading dose over 10 minutes prior to intubation followed by 0.2-0.7 MUg/kg/hr as infusion till surgery was over. In operating room parameters like Heart Rate (HR), Respiratory Rate (RR), Systolic Blood Pressure (SBP), Mean Arterial Pressure (MAP), SpO2, EtCO2 were recorded 10 minutes after infusion of drug i.e., dexmedetomidine or fentanyl. The said parameters were again recorded after injection of induction drugs, after intubation, five minutes after intubation, just after pneumoperitoneum, and 5,10,15,30,45 and 60 minutes after pneumoperitoneum, five minutes after release of pneumoperitoneum, five and 10 minutes after extubation. Results: Dexmedetomidine significantly attenuates stress response at intubation with lesser increase in HR (5% Vs 18%), SBP (9% Vs 19%) and DBP (3% Vs 15%), MAP (2% Vs 15%) as compared to fentanyl (p<0.05). Throughout intraoperative period of pneumoperitoneum Group D showed significant fall in HR, SBP, DBP, MAP from baseline value at all points of time intervals whereas it remained constantly high above baseline value in Group F (p-value <0.05). Conclusion: Dexmedetomidine when compared to fentanyl causes greater attenuation of stress response to tracheal intubation, following pneumoperitoneum and in intraoperative period resulting in greater reduction of HR, SBP, DBP, MAP than that of fentanyl, thus causing better haemodynamic stability in patients undergoing elective laparoscopic surgery. PMID- 29207811 TI - Comparative Evaluation of Ropivacaine and Fentanyl Versus Ropivacaine and Fentanyl with Clonidine for Postoperative Epidural Analgesia in Total Knee Replacement Surgery. AB - Introduction: Clonidine an alpha 2 adrenoceptor agonist possesses analgesic properties and has been used as an adjuvant in epidural analgesia. The addition of clonidine to other analgesics may result in enhanced analgesia through additive mechanisms or synergistic mechanisms. The enhanced analgesia may lead to a decrease in the dosage of analgesic drugs along with reduction of side effects. Aim: The purpose of this study was to evaluate the effect of adding clonidine to epidural ropivacaine and fentanyl mixture in terms of quality of analgesia and side effects in patients of total knee replacement surgery. Materials and Methods: A prospective randomised double blind study was conducted on 60 patients of ASA physical status I, II and III who underwent unilateral total knee replacement surgery under combined spinal epidural anaesthesia. Patients were divided into two Groups A and B randomly. Postoperatively Group A received continuous epidural infusion of ropivacaine 2 mg.ml -1 and fentanyl 2 MUg.ml -1 along with clonidine 2 MUg.ml-1 in the range of 3-7 ml.hr-1 while Group B received the ropivacaine and fentanyl epidural solution. The postoperative VAS scores, haemodynamic parameters, motor block, sedation, nausea, vomiting and any other significant side effects were noted. The two groups were compared with student's t-test, Pearson's Chi square test and t-test using SPSS statistical software. Results: Visual analog scale scores were lower in Group A (3.38) than in Group B (3.72). The average infusion rate was lower in Group A (4.7 +/- 0.7 ml.hr -1) than in Group B (5.5 +/- 0.7 ml.hr-1). Patients in Group A required less dosage of rescue pain medication Paracetamol (1g i.v.), diastolic pressure and heart rate were lower in Group A. The groups were comparable in terms of sedation, motor block and nausea vomiting. Conclusion: Clonidine added to a ropivacaine and fentanyl mixture augmented the postoperative epidural analgesia without significant side effects. PMID- 29207812 TI - Prediction of Major Adverse Cardiovascular and Cerebrovascular Events (MACCE) after Thoracic Surgery- The Role of Estimated GFR. AB - Introducton: Little is known about the prognostic utility of preoperative estimated GFR (eGFR) on perioperative Major Adverse Cardiovascular and Cerebrovascular Events (MACCE) in apparently lower risk patients undergoing moderate risk surgeries like thoracotomy. Aim: The current study sought to identify a clinically relevant cut-off value of eGFR for identifying thoracotomy patients at higher risk for MACCE. Materials and Methods: Between July 2012 and July 2016, 436 consecutive patients were retrospectively studied after elective thoracotomy in a single institution. Patients were classified into six groups according to the calculated Chronic Kidney Disease Epidemiology Collaboration equations (CKD-EPI) eGFR (ml min -11.73 m -2): Stage 1, eGFR >90; Stage 2, eGFR=60-89.9; Stage 3a, eGFR=45-59.9; Stage 3b, eGFR=30-44.9; Stage 4, eGFR=15 29.9; Stage 5, eGFR <15. All the eGFR groups were analysed for perioperative MACCE, length of hospital stay, and mortality. Results: The incidence of perioperative MACCE in our study was 4.24%. The mean eGFR in our study as calculated by the CKD-EPI equation was 83 ml min-11.73 m-2. With the exception of nonfatal cardiac arrest which was not seen in any patient, the incidence of all MACCE increased with progressively worsening preoperative eGFR.It was seen by logistic regression analysis that the occurrence of any perioperative MACCE increased significantly with worsening eGFR (p<0.001). The increase in MACCE was particularly marked from Stage 3b onwards to the later stages (OR 1.9 in 3a vs. 3.6 in 3b). The two mortalities observed in the study were in Stages 4 and 5 with no deaths seen in the better eGFR subgroups. There was also an increased length of hospital stay with declining eGFR. Conclusion: Preoperative eGFR is a predictor of perioperative MACCE in homogenous moderate risk elective surgical population like thoracic surgeries. There is an inverse relationship between eGFR and MACCE, particularly manifested at eGFR values <45 ml/min/1.73. Routine use of preoperative eGFR for cardiovascular and cerebrovascular risk assessment in patients undergoing moderate risk surgeries like thoracotomy would be beneficial. PMID- 29207813 TI - Anaesthetic Considerations for Balloon Mitral Valvuloplasty in Pregnant Patient with Severe Mitral Stenosis: A Case Report and Review of Literature. AB - Even though, the incidence of Mitral Stenosis (MS) has reduced grossly, it still remains a health problem in developing countries and is the most common rheumatic valvular lesion encountered in pregnant patients. The already compromised cardiac status of a pregnant female deteriorates further by the presence of MS. So, pregnancy is a common situation during which untreated and frequently poorly tolerated MS are first diagnosed. Percutaneous Balloon Mitral Valvuloplasty (BMV) may be life saving in such a setting and a multidisciplinary approach in the management reduces the mortality and morbidity during the procedure. Anaesthetic management of such a procedure has hardly ever been reported. We report a case of a 23-year-old woman presenting at 28 weeks gestation with severe MS and severe pulmonary hypertension (52 mmHg) who underwent successful percutaneous BMV under monitored anaesthesia Care. The anaesthetic considerations in such situations are being discussed. PMID- 29207814 TI - Congenital Lobar Emphysema: Anaesthetic Challenges and Review of Literature. AB - Congenital Lobar Emphysema (CLE) is a developmental anomaly, characterized by hyperinflation of one or more pulmonary lobes. It presents in infancy with variable degree of respiratory distress due to compression atelectasis. It is most often associated with mediastinal shift with subsequent hypoxia. CLE poses a diagnostic and therapeutic dilemma. We report a case of five-month-old infant of CLE requiring left lobectomy, who was previously being treated for pneumonia which was unresponsive to medical therapy. Anaesthetic challenges experienced during the case and a brief review of literature is presented. PMID- 29207815 TI - Anaesthetic Management in Transoral Endoscopic Thyroidectomy. AB - Young females undergoing thyroid surgery are apprehensive about the surgical scar. This leads to the introduction of Transoral Endoscopic Thyroidectomy (TOET). TOET is gaining popularity for its minimally invasive and cosmetically sound approach to perform thyroidectomies in young patients. The surgical site being the mouth orifice poses a challenge to the anaesthesiologist to secure a definitive airway. The case report is that of a young female undergoing TOET for whom we have successfully performed nasal intubation with a North Pole ivory endotracheal tube (ET). PMID- 29207816 TI - Non-Catheter Related Perioperative Superior Vena Cava Syndrome Following Surgical VSD Closure-Role of Transesophageal Echocardiography. AB - Unintentional iatrogenic surgical complications can complicate the operative and postoperative courses of paediatric cardiac surgery patients. Unless recognized and treated early, it's possible, these complications may lead to a prolonged hospital stay, increased treatment cost, morbidity, and even death. Ventricular Septal Defect (VSD) is the most common congenital heart defect in children, occurring in 50% of all children with congenital heart disease and in 20% as an isolated lesion. Herein, we discuss the development of Superior Vena Cava (SVC) syndrome following surgical repair of VSD in a nine-month-old child. Early clinical diagnosis, immediate confirmation with Transthoracic Echocardiography (TTE) and surgical re-exploration led to a good outcome in this patient. If, however, we could have performed an intraoperative Trans Esophageal Echocardiography (TEE), this complication could have been recognized, even before shifting from the operating room. PMID- 29207817 TI - Immunohistochemical Expression of Cyclo-oxygenase 2 and Liver X Receptor-alpha in Acne Vulgaris. AB - Introduction: Acne Vulgaris (AV) is a common inflammatory disease of pilosebaceous units. Liver X Receptor-alpha (LXR-alpha) is a ligand activated transcription factor. It controls transcription of genes involved in lipid and fatty acid synthesis. Cyclo-oxygenase 2 (COX2) is a rate limiting enzyme in prostaglandin synthesis. It plays important role in inflammation. Aim: To evaluate the immunohistochemical expression of LXR-alpha and COX2 in acne vulgaris skin biopsies to explore their possible pathogenic role in this disease. Materials and Methods: Sixty five subjects were included (45 cases with AV and 20 age and gender-matched healthy controls). Skin biopsies were taken from lesional and perilesional skin of cases and from site-matched areas of control subjects. The evaluation of LXR-alpha and COX2 was done using immunohistochemical technique. Data were collected, tabulated and statistically analysed using a personal computer with "(SPSS) version 11" program. Chi-square test was used to study the association between qualitative variables. Mann-Whitney test was used for comparison between quantitative variables. Student's t-test was used for comparison between two groups having quantitative variables. Spearman's coefficient was used to study the correlation between two different variables. Differences were considered statistically significant with p<0.05. Results: COX2 was upregulated in lesional skin compared with peilesional and control skin both in epidermis and pilosebaceous units (p<0.001 for all). Higher epidermal COX2% was significantly associated with papulopustular acne (p=0.009) and higher acne score (p=0.018). Higher pilosebaceous units COX2% was significantly associated with papulopustular acne (p=0.04). LXR-alpha was upregulated in lesional skin compared with peilesional and control skin both in epidermis and pilosebaceous units (p<0.001 for all). Higher LXR-alpha % in epidermis and pilosebaceous units was significantly associated with papulopustular acne (p=0.01 for both) and higher acne score (p=0.03 for both). Significant positive correlation was detected between COX2% and LXR-alpha % in epidermis (p=0.001, r=0.87) and pilosebaceous units (p=0.001, r=0.65). Conclusion: Both LXR-alpha and COX-2 play a role in the pathogenesis of acne vulgaris through their effects on cellular proliferation, inflammation and lipid synthesis. Research for new therapeutic modalities based on their inhibition is needed. More understanding of the interaction between LXR-alpha, COX2 and acne lesions may lead to effective interference, possibly directed toward specific cell types or steps within inflammatory pathways. PMID- 29207818 TI - Clinical Efficacy and Safety on Combining 20% Trichloroacetic Acid Peel with Topical 5% Ascorbic Acid for Melasma. AB - Introduction: Trichloroacetic Acid (TCA) is a versatile peeling agent for treatment of melasma. However, Post-Inflammatory Hyperpigmentation (PIH) is reported to be the most common side-effect associated with TCA peel. Topical Ascorbic Acid (AA) due to its effect as antioxidant and tyrosinase inhibitor helps to prevent PIH and maintains the response. Aim: To assess the clinical efficacy, safety and reduction in Melasma Quality of Life (MELASQOL) on combining 20% TCA peel with 5% ascorbic acid cream in epidermal melasma. Materials and Methods: This study was conducted in the Department of Dermatology, Pt. Bhagwat Dayal Sharma University of Health Sciences, Rohtak. This was an open labelled prospective randomized study in which 60 patients of epidermal melasma were enrolled for 12 weeks. Patients were divided into two groups: Combination group received 20% TCA peel every two weeks with once daily 5% ascorbic acid cream and Control group received only 20% TCA peel. Melasma Area Severity Index (MASI) was used for evaluating clinical improvement of melasma. Improvement in Quality Of Life (QoL) was assessed by MELASQOL scale in both groups. Adverse effects were evaluated at each visit. All statistical analysis was carried out with SPSS 20th version. The difference in change in mean MASI scoring and MELASQOL scores between the two groups were analysed using Mann-Whitney test. The side effects between the two groups were compared using Chi-square test. Results: The combination group demonstrated a statistically significant improvement in MASI, percentage decrease in MASI and quality of life as compared to control group after treatment. At the baseline there was no statistically significant difference in MASI between the two groups (i.e., MASI in combination group and control group were 23.55+/-4.61 and 23.613+/-4.088 respectively). However, it was statistically significant at the end of therapy (i.e., MASI in combination group was 9.50+/-5.31 and in control group was 15.10+/-4.44). When the results were analysed in terms of percentage decrease in MASI from baseline, there was statistically significant difference in combination group (i.e., 10.87+/-4.11) as compared to control group (i.e., 6.3+/-1.97) after 2nd week of therapy. When the mean MELASQOL scores were compared between the two groups at the end of therapy (i.e., 12 weeks), it was found to be statistically significantly lower in combination group (16.60+/-8.03) as compared to control group (25.90+/-8.17). Minor adverse effects like post peel erythema, pruritus, burning and stinging sensation were observed in some of the patients, which didn't necessitate termination of the therapy. Conclusion: Combination of 20% TCA peel with topical 5% ascorbic acid is a highly effective, safe and promising therapeutic option in treatment of melasma which significantly improves the QoL. PMID- 29207819 TI - Effect of Rocker Soled Shoe Design on Walking Economy in Females with Pes Planus. AB - Introduction: The energy cost is increased during walking in pes planus condition whereas, energy cost during walking using rocker bottom shoes is debatable. Aim: To determine the walking economy with rocker soled shoes, when compared with bare feet walking in females with pes planus over treadmill. Materials and Methods: Seventeen collegiate flat footed females aged 18-25 years were recruited in accordance with inclusion and exclusion criteria. Subjects were asked to walk barefooted and with rocker soled shoes on treadmill for four minutes at a speed of 3.8 km/hour. Oxygen consumption (VO2) was measured directly using PowerLab 8/35 data acquisition system with Lab Chart Pro (AD Instruments, Australia) one minute before walking, four minutes during walking and one minute after walking. Rating of Perceived Exertion (RPE) was taken after termination of walking. Results: VO2 during barefoot walking was significantly lower than rocker soled shoe walking during four-five minutes (p<0.001) and during recovery (p=0.04). RPE is significantly lower during barefoot walking than rocker soled shoe walking (p<0.001) over treadmill. Conclusion: Oxygen consumption and RPE were increased during walking with rocker soled shoe design in comparison to bare feet walking over treadmill at same speed. PMID- 29207820 TI - Relationship Between Trunk Control and Balance in Children with Spastic Cerebral Palsy: A Cross-Sectional Study. AB - Introduction: Trunk control is impaired in children with Cerebral Palsy (CP) thus influencing their functional balance. However, there is a paucity of literature determining the relationship between trunk control and balance in children with CP. Aim: To find the relationship between trunk control and balance by means of Trunk Control Measurement Scale (TCMS) and Paediatric Balance Scale (PBS). Materials and Methods: Twenty four children {age range 8-14 years, Gross Motor Function Classification System (GMFCS) Level I-III} with spastic CP were recruited and evaluated using TCMS and PBS. The results were expressed as summary measures median (M) and Inter-Quartile Range (IQR). The correlation of TCMS and PBS were done using Spearman's correlation coefficient. A p-value <0.05 was considered statistically significant. Results: The children obtained a median score of 52 out of 58 on the TCMS and 50 out of 56 on PBS. There was a significantly strong correlation with rs=0.77 and p<0.01. A strong correlation (p<0.01) was seen between static, dynamic and total components of TCMS and PBS. The median scores of TCMS and PBS had a strong correlation for boys with rs=0.74 and very strong correlation for girls with rs=0.84. Based on the type of spastic CP, diplegics had a very strong correlation with rs=0.85. While based on GMFCS levels, Level II and Level III had a very strong correlation (For level II rs=0.81 and level III rs=0.86) and weak correlation for level I (rs=0.27). Conclusion: Based on gender, topography and severity of the motor impairment both trunk control and balance are impaired to a different degree in children with CP. The findings of this study showed a high positive correlation between trunk control and balance in children with spastic CP. PMID- 29207821 TI - Hand-Held Dynamometer is a Reliable Tool to Measure Trunk Muscle Strength in Chronic Stroke. AB - Introduction: Patients with chronic stroke show atypical coordination of trunk movement and they find difficulty during bed mobility and transfer skills due to weakness of trunk muscles. Routine bedside clinical examination fails to quantify the trunk muscle strength in patients with stroke. Handheld dynamometer is widely administered to quantify the strength of extremities, but its reliability on testing the trunk muscles strength is limited. Aim: This study aimed at examining the reliability of hand-held dynamometer to quantify the strength of trunk muscle groups in chronic stroke. Materials and Methods: This reliability study was conducted in outpatient clinical settings. Patients with chronic stroke aged between 30 and 80 years and an ambulatory capacity of 10-meter distance volunteered in the study. The strength of trunk flexors, extensors, rotators towards most and least affected sides and bilateral lateral flexors was examined by break test using hand-held dynamometer and the isometric strength was reported in pounds (lb.). These tests were carried out by two physical therapists independently at two time points and the assessment procedure was standardized. Pearson's correlation test was conducted to observe the reliability of dynamometer strength testing i.e., internal consistency of the measure and intra class correlation coefficient (r). Results: Of the 85 study participants, 51 of them had most trunk involvement on the left side and 34 had it on the right side. This study showed an excellent intra-rater (0.88-0.98) and inter-rater (0.84 0.96) reliability of trunk muscle strength testing using hand-held dynamometer. Conclusion: Hand-held dynamometer showed excellent intra and inter tester reliability to quantify the trunk muscle strength in patients with chronic stroke. So this tool can easily be administered in clinical and rehabilitation settings for diagnostic and prognostic purposes. PMID- 29207822 TI - Estimation of Correlation between Chronological Age, Skeletal Age and Dental Age in Children- A Cross-sectional Study. AB - Introduction: In the modern era, identification and determination of age is imperative for diversity of reasons that include disputed birth records, premature delivery, legal issues and for validation of birth certificate for school admissions, adoption, marriage, job and immigration. Several growth assessment parameters like bone age, dental age and the combination of both have been applied for different population with variable outcomes. It has been well documented that the chronological age does not necessarily correlate with the maturational status of a child. Hence, efforts were made to determine a child's developmental age by using dental age (calcification of teeth) and skeletal age (skeletal maturation). Aim: The present study was aimed to correlate the chronological age, dental age and skeletal age in children from Southeastern region of Andhra Pradesh, India. Materials and Methods: Out of the total 900 screened children, only 100 subjects between age groups of 6-14 years with a mean age of 11.3+/-2.63 for males and 10.77+/-2.24 for females were selected for the study. Dental age was calculated by Demirjian method and skeletal age by modified Middle Phalanx of left hand third finger (MP3) method. Pearson's and Spearman's correlation tests were done to estimate the correlation between chronological, dental and skeletal ages among study population. Results: There was a significant positive correlation between chronological age, dental age and all stages of MP3 among males. Similar results were observed in females, except for a non significant moderate correlation between chronological age and dental age in the H stage of the MP3 region. Conclusion: The results of the present study revealed correlation with statistical significance (p<0.05) between chronological, dental and skeletal ages among all the subjects (48 males and 52 females) and females attained maturity earlier than males in the present study population. PMID- 29207823 TI - An In vitro Study to Compare the Effect of Different Types of Tea with Chlorhexidine on Streptococcusmutans. AB - Introduction: Tea is the second most commonly consumed beverage in the world after water. The leaf and bud of the plant Camellia sinensis produces tea. The different forms of tea are 'non-fermented' green tea, 'semi-fermented' oolong tea and 'fermented' black tea according to the manufacturing process. Streptococcus mutans is the main causative organism in dental caries and plaque formation. Aim: The present study was undertaken to determine the antibacterial effectiveness of aqueous and ethanol extracts of green tea, black tea and oolong tea against S. mutans in comparison with 0.2% chlorhexidine. Materials and Methods: An in vitro study was conducted to compare the effectiveness of aqueous and ethanol extracts of green tea, black tea and oolong tea with 0.2% chlorhexidine against S. mutans. Chlorhexidine 0.2% commercially available as mouthwash was used as such for comparison. The antimicrobial activity was determined using agar well diffusion method. About 50 ul of the aqueous and ethanol extracts of tea and 0.2% chlorhexidine were inoculated into the wells prepared on blood agar plates smeared with S. mutans. The agar plates were incubated for 24 hours after which the diameter of the zone of inhibition was measured. Analysis of Variance (ANOVA) followed by Tukey's post hoc test were used for statistical analysis. Results: The mean zone of inhibition of the aqueous extracts of green tea, black tea, oolong tea and chlorhexidine was found to be 16.33 mm, 10.33 mm, 19.66 mm and 22 mm respectively. The mean zone of inhibition of the ethanol extracts of green tea, black tea, oolong tea and chlorhexidine was found to be 14 mm, 9 mm, 20.66 mm and 22 mm respectively. The study result state that the inhibitory effect of chlorhexidine is almost similar to that of oolong tea followed by green tea and black tea. Conclusion: From the present study, it can be concluded that the aqueous and ethanol extracts of oolong tea showed highest antimicrobial activity compared to green tea and black tea. PMID- 29207824 TI - Comparative Evaluation of Antiplaque Efficacy of Coconut Oil Pulling and a Placebo, Among Dental College Students: A Randomized Controlled Trial. AB - Introduction: Oil pulling, has been extensively used as traditional Indian folk remedy since many years to prevent dental diseases and for strengthening teeth and gums. Aim: To compare and evaluate antiplaque efficacy of coconut oil pulling with a placebo among dental students, in Hyderabad city of India. Materials and Methods: A randomized controlled study was carried out among 40 dental students. Out of 40, 20 subjects were randomly assigned to study group and other 20 to control group. Subjects in the study group were given the coconut oil and control group a placebo, and advised to rinse for 10 minutes, once daily in the morning for a period of seven days. Plaque levels were assessed on day zero, third and seventh day using Turesky-Gilmore-Glickman Modification of the Quigley-Hein Plaque Index (1970) for both the groups. Results: The mean plaque scores showed a significant difference at baseline, third day and seventh day among both study (p<0.001) and control groups (p<0.001). Group wise comparison revealed, though the mean plaque scores were low among study group on third day and seventh day on comparison with the control group, significant difference was noticed only on the seventh day. Furthermore, the mean percentage reduction of plaque scores were also significant only on the seventh day with a high mean plaque reduction among study groups (p<0.001). Conclusion: Oil pulling is effective in controlling plaque levels. PMID- 29207825 TI - Global Search Trends of Oral Problems using Google Trends from 2004 to 2016: An Exploratory Analysis. AB - Introduction: Oral diseases are pandemic cause of morbidity with widespread geographic distribution. This technology based era has brought about easy knowledge transfer than traditional dependency on information obtained from family doctors. Hence, harvesting this system of trends can aid in oral disease quantification. Aim: To conduct an exploratory analysis of the changes in internet search volumes of oral diseases by using Google Trends(c) (GT(c)). Materials and Methods: GT(c) were utilized to provide real world facts based on search terms related to categories, interest by region and interest over time. Time period chosen was from January 2004 to December 2016. Five different search terms were explored and compared based on the highest relative search volumes along with comma separated value files to obtain an insight into highest search traffic. Results: The search volume measured over the time span noted the term "Dental caries" to be the most searched in Japan, "Gingivitis" in Jordan, "Oral Cancer" in Taiwan, "No Teeth" in Australia, "HIV symptoms" in Zimbabwe, "Broken Teeth" in United Kingdom, "Cleft palate" in Philippines, "Toothache" in Indonesia and the comparison of top five searched terms provided the "Gingivitis" with highest search volume. Conclusion: The results from the present study offers an insight into a competent tool that can analyse and compare oral diseases over time. The trend research platform can be used on emerging diseases and their drift in geographic population with great acumen. This tool can be utilized in forecasting, modulating marketing strategies and planning disability limitation techniques. PMID- 29207826 TI - The Association between Periodontal Status, Serum Lipid Levels, Lipoprotein Associated Phosholipase A2 (Lp-PLA2) in Chronic Periodontitis Subjects and Healthy Controls. AB - Introduction: Lipoprotein associated phospholipase A2 (Lp-PLA2) has been explored as a potential biomarker for Cardiovascular Disease (CVD). The human Lp-PLA2 is a serine-dependent, Ca2+- independent enzyme. It gives way to oxidised free fatty acids and lysophosphatidyl choline by hydrolysing oxidised phospholipids, that leads to smooth muscle cell apoptosis, inflammatory cell chemotaxis and endothelial cell dysfunction in CVD. Owing to its role in inflammation, it may influence the development and progression of periodontitis as well. Aim: To compare the demographic variables, Gingival Index(GI), Bleeding On Probing (BOP), Probing Pocket Depth (PPD), and Clinical Attachment Level (CAL) with serum lipid profile and Lp-PLA2 level in Chronic Periodontitis (CP) subjects. Materials and Methods: A total of 75 subjects were selected and divided into three groups; based on the inclusion and exclusion criteria: Group I - 25 subjects with severe generalized CP with CAL >= 5 mm in more than 30% of sites. Group II -25 subjects with moderate generalized CD with clinical CAL 3 mm-4 mm in more than 30% of sites. Group III- 25 systemically and periodontally healthy volunteers who served as control. Clinical parameters such as Plaque Index (PI), BOP, Probing Depth (PD) and CAL, lipid profile such as Total Cholesterol (TC), Triglyceride (TG), High density Lipoprotein (HDL), Low Density Lipoprotein (LDL), Very Low Density Lipoprotein (VLDL) as well as Lp-PLA2 were assessed. One-way ANOVA and Tukey's Post-hoc test were used for data analysis. Results: Age was higher in Group I and II when compared to Group III. Group II showed a significant correlation between PI and LDL. In Group III, lower PI was significantly correlated with high HDL and low LDL and BOP was positively correlated with TG and HDL. A significant association of Lp-PLA2 was found to be higher with increase in the TG and VLDL level in Group I and Group II when compared to Group III. Conclusion: The study concluded that Lp-PLA2, TG and VLDL already being a predictor biomarker for atherosclerotic disease can be an inflammatory marker for periodontitis. PMID- 29207827 TI - To Evaluate the Correlation Between Skeletal and Dental Parameters to the Amount of Crowding in Class II Div. 1 Malocclusions. AB - Introduction: Crowding of teeth is one of the most common problem that motivates the patient to seek orthodontic treatment. Determination of etiology of crowding could have a significant effect on treatment planning and prognosis of Class II malocclusion. Aim: Aim of this study was to evaluate the relationship of skeletal and dental parameters to amount of dental crowding in patients with Class II Divison 1 (div.1) malocclusion. Materials and Methods: Pretreatment lateral cephalograms and dental casts of 60 patients with skeletal Class II malocclusion were collected for the study. The sample was divided into two groups according to severity of pretreatment mandibular crowding. Group I consisted of cases with crowding >=3 mm and Group II with crowding <3 mm. Lateral cephalograms for each patient was manually traced and skeletal parameters (effective maxillary and mandibular length, mandibular plane angle, Y Axis, lower anterior face height) and dental parameters (axial inclination of lower incisor, inclination of lower incisor to mandibular plane, interincisal angle) were measured. Unpaired t-test was used for intergroup comparison and relationship between different measurements was investigated using Pearson correlation coefficient. Results: Among the skeletal parameters measured, only effective mandibular length exhibited statistically significant difference between the two groups. No statistically significant difference was found between the two groups for any of the dental parameters. Significant inverse correlation was found between mandibular crowding and effective mandibular length. Conclusion: Subjects with Class II div.1 malocclusion and moderate to severe mandibular crowding have significantly smaller effective mandibular base length than subjects with the same malocclusion and slight mandibular crowding. PMID- 29207828 TI - Micronucleus Assay: An Early Diagnostic Tool to Assess Genotoxic Changes in Patients with Tobacco Use, Oral Leukoplakia and Oral Submucous Fibrosis. AB - Introduction: Micronuclei (MNi) are acentric chromatid or chromosome fragments produced via genetic damage through genotoxic agents contained in tobacco and betel nut. Evidently, the various Oral Potentially Malignant Disorders (OPMDs) like oral lichen Planus, oral leukoplakia and Oral Submucous Fibrosis (OSMF) demonstrate MNi, as a substantiation of genetic damage. As these changes can be easily appreciated in oral exfoliated cells, an exfoliated cell based MNi assay might be utilized as handy and non invasive biomonitoring tool for gauging the genetic damage and hence the propensity for malignant transformation in OPMDs. To this end, MNi are definitely easier to evaluate when compared to chromosome aberrations. Aim: To compare the MNi frequency in normal mucosa, in individuals using various tobacco forms without oral leukoplakia, individuals using various tobacco forms with oral leukoplakia, and areca nut chewers with OSMF, using three different stains. Materials and Methods: Oral exfoliated cells from 50 cases of normal mucosa (Group I), 50 cases of tobacco chewing people without Oral Leukoplakia (Group II), 50 cases of people with Oral Leukoplakia (Group III) and 50 cases of areca nut chewers with OSMF (Group IV) were taken. MNi frequencies were compared in these groups using three different stains i.e., Papanicolaou (PAP) stain, May Grunwald Giemsa (MGG) stain and Feulgen stain. The data between cases (Group II, III and IV) and control groups (Group I) was analyzed by Kruskal Wallis Test. The comparison between two independent groups was done by Mann Whitney U test and interstain comparison between cases and control was done by Wilcoxon Signed Rank Test and the individual p-value was obtained. Results: A significant increase in the count was observed during transition of normal mucosa to OPMDs. The best stain for detecting MNi was PAP stain followed by MGG stain and Feulgen stain. Conclusion: The higher mean MNi count for PAP stain and MGG stain could be attributed to nonspecific staining. Further study using a larger sample size on quantitative assessment of MNi count in various OPMDs is warranted. PMID- 29207829 TI - Evaluation of Tumour Associated Macrophages and Angiogenesis in Ameloblastoma. AB - Introduction: Ameloblastoma is a locally invasive odontogenic neoplasm that has a high recurrence rate. The invasion of adjacent tissue is supported by angiogenesis stimulated by Tumour-Associated Macrophages (TAMs). TAMs are macrophages modified in the milieu of the tumour microenvironment and have very weak or no ability to present antigens. Thus, there is collaboration between the tumour and the tumour microenvironment to maintain tumour enlargement. TAMs exist as the classically activated M1 macrophages that possess antitumour activity and the otherwise activated M2 macrophages that support tumour invasion and metastasis. Aim: To investigate the relative expression and topography of TAMs and CD34 in ameloblastoma in order to assess their affiliation and effect on tumour growth. Materials and Methods: Forty-six Formalin Fixed Paraffin Embedded (FFPE) blocks of ameloblastoma were processed for Abcam Mouse monoclonal Anti CCR7 antibody, Abcam Rabbit polyclonal Anti-CD206 antibody and Dako Mouse monoclonal Anti-CD34 antibody QBEnd-10. Cytoplasmic/membrane brown staining was taken as positive for all antibodies. The relative percentage of TAMs was classified as: <5%, 5-25%, 25-50% and >50%. TAMs related Microvessel Density (MVD) was evaluated as the mean of the three-recorded values. Cases with no CD34+ vessels adjacent to the TAMs region had MVD score of 0. Simple descriptive statistics was applied. Results: Macrophages adjacent to peri-tumour islands were marked by CD206 and CCR7 and we noted negligible intra-tumour presence of positive macrophages. The percentage of positive CCR7 immune cells was greater than that for CD206 in 38 (82.6%) cases, approximately equal to CD206 in 6 (13%) cases, and the CD206 expression was more than CCR7 in only 2 (4.3%) cases. In 34 (73.9%) cases, the area of MVD did not overlap with the region of TAMs but in 4 (8.7%) cases (where MVD overlapped TAM1), the average MVD score was 20. Conclusion: The relative percentage of TAM1 exceeds TAM2 in peri-tumoural areas of ameloblastoma, conferring anti-angiogenic and hence anti-tumour activity on the tumour. PMID- 29207830 TI - Assessment of Pulp Oxygen Saturation Levels by Pulse Oximetry for Pulpal Diseases -A Diagnostic Study. AB - Introduction: Diagnosis of pulpal inflammation is a key to endodontics. Pulse oximetry is a true vitality testing device which relies on oxygen saturation levels of pulp and helps in diagnosis of different pulpal conditions. Aim: The aim of the study was to analyse oxygen saturation levels of different pulpally inflamed teeth by using pulse oximetry. Materials and Methods: Hundred patients were included in the study and categorized into five groups based on pulpal status of the test tooth by using heat test and cold test. Twenty patients were recruited in each of the experimental groups i.e., Reversible Pulpitis (RP), Irreversible Pulpitis (IP), Pulpal Necrosis (PN), Positive Control (PC, healthy teeth), and Negative Control (NC, endodontically treated teeth). Oxygen saturation levels of all the groups were measured along with each patient index finger oxygen saturation readings. Results were analysed by using ANOVA and Tukey HSD tests. Results: The mean oxygen saturation levels of RP, IP, PN, PC and NC were 85.4%, 81.6%, 70.7%, 94.6% and 0 respectively. There was significant difference in the oxygen saturation levels between all the groups. Conclusion: Pulse oximeter is an effective tool in diagnosing different pulpal pathologies especially PN which was interpreted inaccurately by thermal tests. PMID- 29207831 TI - Comparison of Gingival Biotype between different Genders based on Measurement of Dentopapillary Complex. AB - Introduction: Clinical and aesthetic outcomes after periodontal or implant surgical procedures are determined by anatomical and morphological characteristics of the gingiva like width of keratinized gingiva, thickness of gingiva and alveolar bone. Therefore, the knowledge of gingival biotype plays an important role in modifying the dental therapeutic procedures for the desired outcome and predictability. Aim: The aim of the present study was to assess and compare the gingival biotype among genders by clinical, photographic and radiographic parameters. Materials and Methods: A total of 800 subjects (400 males and 400 females) were considered for the study. Width of keratinized gingiva (GW), transparency of the periodontal probe through the sulcus (TRAN) were assessed clinically; Crown Width/Crown Length ratio (CW/CL) and Papillary Height (PH) were assessed photographically; Gingival Thickness (GT1, GT2, GT3) and Alveolar bone Thickness (AT1, AT2, AT3) were assessed radiographically. The obtained data was correlated to compare the gingival biotype between males and females. The collected data was statistically analysed using Pearson correlation coefficient (r) with the corresponding 95% confidence interval. Results: The TRAN at GT1, GT2 and GT3 as well as at AT1, AT2 and AT3 showed a very strong positive correlation in males (r>0.8) as compared to females (r<0.8). A very strong positive correlation was observed between GT1, GT2, GT3 and AT1, AT2, AT3 in males (r>0.9) as compared to females (r<0.7). Conclusion: There are definite differences in the gingival biotype among different genders with predominance of a thin gingival biotype with reduced alveolar bone thickness in females as compared to males. PMID- 29207832 TI - A Comparison of Clinicopathological Differences in Oral Squamous Cell Carcinoma in Patients Below and Above 40 Years of Age. AB - Introduction: Recent times have revealed an increase in incidence of Oral Squamous Cell Carcinoma (OSCC) in young adults including those who lack association with typical risk factors such as tobacco. There are reported variations in clinical behaviour of tumours in young and older individuals. Aim: Present study evaluated differences in clinicopathological characteristics between two groups of OSCC, below and above 40 years of age. Materials and Methods: An analytical study was performed on two groups of OSCC patients, below and above 40 years of age. Clinicopathological parameters of site distribution, type of habit, histological grade, nodal metastasis, margin status, mitotic index and Argyrophilic Nucleolar Organizing Regions (AgNOR) count were compared. Chi square test and Students t- test were applied for statistical analysis. Results: Present study revealed that mean AgNOR count was significantly higher in older group (6.38) than younger group (4.27). However, no significant differences were noted in site distribution, tobacco habit, histological grade, mitotic index, nodal metastasis and status of resected surgical margins between the two age groups. A trend for increased metastasis and poor histological differentiation was also observed in the older and younger age group respectively. Most common site was buccal mucosa followed by tongue in both groups. Conclusion: Reasons for documented variability in tumour characteristics between young and older patients are currently unclear. Difference in AgNOR count found in present study is suggestive of variability in proliferative and ploidy characteristics between different age groups and supports the hypothesis of genetic and epigenetic influences in development of oral cancer. PMID- 29207833 TI - Possible Role of Bcl-2 Expression in Metastatic and Non Metastatic Oral Squamous Cell Carcinoma. AB - Introduction: Oral carcinoma is a global health problem. India accounts for one third of world burden with high prevalence rate of 2.5 million and mortality rate of 5.5 lacs per year. Oral carcinogenesis is a multistage process that frequently involves invasion and metastasis that needs early detection and treatment to improve the overall quality of life. The ability of Oral Squamous Cell Carcinoma (OSCC) to metastasize to lymph nodes does not always show a relationship with clinical staging. A spectrum of molecular mechanisms is involved in carcinogenesis, where defect in the regulation of apoptosis is assumed to contribute to the pathogenesis and progression of cancer. Apoptosis regulatory genes include the antiapoptotic protein such as B-cell lymphoma-2 (Bcl-2) gene that might be used as a molecular marker to evaluate the biological behaviour of oral cancer. Aim: To evaluate and correlate the Bcl-2 expression in OSCC patients with lymphnode metastasis and without metastasis. Materials and Methods: The study comprised of 30 samples, 15 cases of metastatic and 15 non-metastatic primary OSCC. All the cases were stained for routine Hematoxylin and Eosin (H&E), and Bcl-2 antibody by immunohistochemistry. The H&E stained sections were evaluated for Lymphocytic Infiltrate (LI) and Pattern Of Invasion (POI). Bcl-2 stained sections were evaluated for staining intensity and distribution. The differences between the groups were statistically analysed using chi-square test. Results: The histopathological parameters, LI and POI did not show any statistical difference between the study groups. Expression of Bcl-2 in OSCC was 33.3% among the study groups, where metastatic group showed a positive expression of 13.3% and 20% in non-metastatic OSCC that did not show statistically significance among the study groups. Conclusion: There was no significant difference in the expression of Bcl-2 between the study groups. Apoptosis is regulated by interaction among the Bcl-2 gene family. Hence, evaluation of Bcl-2 along with other apoptotic regulating proteins could define the role in pathogenesis and prognosis of metastatic and non-metastatic OSCC. PMID- 29207834 TI - Clinical Evaluation of Quality of Obturation and Instrumentation Time using Two Modified Rotary File Systems with Manual Instrumentation in Primary Teeth. AB - Introduction: Pulp therapy in primary teeth has been performed using various instrumentation techniques. However, the conventional instrumentation technique used for root canal preparation in primary teeth is hand instrumentation. Various Nickel-Titanium (Ni-Ti) instruments are available to perform efficient root canal preparation in primary teeth. These Ni-Ti instruments has been designed to aid in better root canal preparation in permanent teeth but are rarely used in primary teeth. It is necessary to assess the feasibility of using these adult rotary files with a modified sequence in primary teeth. Aim: To compare the quality of obturation and instrumentation time during root canal preparation using hand files and modified rotary file systems in primary molars. Materials and Methods: Forty-five primary mandibular molars were randomly assigned to three experimental groups (n=15). Group I was instrumented using k-hand files, Group II with S2 ProTaper universal file and Group III with 0.25 tip 4% taper K3 rotary file. Standardized digital radiographs were taken before and after root canal instrumentation. Root canal preparation time was also recorded. Statistical analysis of the obtained data was done using SPSS Software version 17.0. An intergroup comparison of the instrumentation time and the quality of obturation was done using ANOVA and Chi-square test with the level of significance set at 0.05. Results: No significant differences were noted with regard to the quality of obturation (p=0.791). However, a statistically significant difference was noted in the instrumentation time between the three groups (p<0.05). ProTaper rotary system had significantly lesser instrumentation time when compared to that of K3 rotary system and hand file system. Conclusion: The hand files, S2 ProTaper Universal and K3 0.25 tip 4% taper files systems performed similarly with respect to the quality of obturation. There was a significant difference in instrumentation time with manual instrumentation compared to the modified rotary file systems in primary teeth. PMID- 29207835 TI - SEM Evaluation of Enamel Surface Changes and Enamel Microhardness around Orthodontic Brackets after Application of CO2 Laser, Er,Cr:YSGG Laser and Fluoride Varnish: An In vivo Study. AB - Introduction: One of the most undesirable consequences of orthodontic treatment is occurrence of enamel demineralization around orthodontic brackets. Numerous in vitro studies have reported the prevention of enamel demineralization by surface treatment with lasers and fluoride varnish. Aim: To evaluate the changes on the enamel surface and microhardness around orthodontic brackets after surface treatment by CO2 laser, Er, Cr:YSGG laser and fluoride varnish in vivo. Materials and Methods: A double blind interventional study was carried out on 100 premolars which were equally divided into five groups, out of which one was the control group (Group 0). The intervention groups (Group I to IV) comprised of patients requiring fixed orthodontic treatment with all 4 first premolars extraction. Brackets were bonded on all 80 premolars which were to be extracted. Enamel surface treatment of Groups I, II and III was done by CO2 laser, Er, Cr:YSGG laser and 5% sodium fluoride varnish respectively and Group IV did not receive any surface treatment. A modified T-loop was ligated to the bracket and after two months, the premolars were extracted. Surface changes were evaluated by Scanning Electron Microscopic (SEM) and microhardness testing. Comparison of mean microhardness between all the groups was assessed using post-hoc test with Bonferroni correction. Results: Group I showed a melted enamel appearance with fine cracks and fissures while Group II showed a glossy, homogenous enamel surface with well coalesced enamel rods. Group III showed slight areas of erosions and Group IV presented areas of stripped enamel. Significant difference was observed between the mean microhardness (VHN) of Group I, Group II, Group III, Group IV and Group 0 with p<0.001. A significant difference of p<0.001 was observed while comparing Group I vs II,III,IV,0 and Group II vs III,IV,0. However, difference while comparing Group III vs IV was p=0.005 and difference between the mean microhardness of Group 0 vs Group III was non significant. Conclusion: Surface treatment with Er,Cr:YSGG laser causes a positive alteration of the enamel surface increasing its ability to resist demineralization with optimum microhardness as compared to CO2 laser and sodium fluoride varnish. PMID- 29207836 TI - Recurrent Aphthous Stomatitis: An Assessment of Antioxidant Levels in Plasma and Saliva. AB - Introduction: Recurrent Aphthous Stomatitis (RAS) is a common oral mucosal disorder that affects 20% of the population worldwide. Factors such as trauma, stress, genetic, hypersensitivity, nutrition, immune disturbance and hormonal imbalance may disturb the oxidant and antioxidant balance of an organism and precipitate RAS, but the relationships are poorly understood. Aim: The purpose of this study was to evaluate the antioxidant status in plasma and saliva of patients with RAS. Materials and Methods: Forty patients with RAS and forty healthy individuals were included in the study. The levels of antioxidants such as Superoxide Dismutase (SOD), Glutathione Peroxidase (GSHPx) Catalase (CAT) and Uric Acid (UA) were measured in plasma and saliva. Statistical analysis was performed to compare the two groups using independent t-test and ANOVA. Results: Decreased SOD levels were observed in plasma amongst RAS patients (p < 0.03) whereas, increased levels were observed in their saliva (p < 0.001) compared to the control group. A significant difference (p < 0.001) was noticed in GSHPx levels: RAS patients exhibited higher levels in plasma but decreased in saliva compared to the control group. CAT activities and UA levels in saliva (p = 0.015 and p < 0.001 respectively) were observed to be significantly higher in RAS patients. Within the RAS group elevated plasma SOD level (p < 0.006) was found in patients with major ulcers whereas, an increased plasma UA (p < 0.01) level was observed in patients with minor ulcers. Conclusion: The non-equilibrium antioxidant levels observed in both plasma and saliva indicate the antioxidant status of the body is disturbed in patients with RAS. PMID- 29207837 TI - Fracture Resistance of Endodontically Treated Teeth Restored with Biodentine, Resin Modified GIC and Hybrid Composite Resin as a Core Material. AB - Introduction: The restoration of a severely damaged tooth usually needs a post and core as a part of treatment procedure to provide a corono - radicular stabilization. Biodentine is a class of dental material which possess high mechanical properties with excellent biocompatibility and bioactive behaviour. The sealing ability coupled with optimum physical properties could make Biodentine an excellent option as a core material. Aim: The aim of the study was to determine the fracture resistance of Biodentine as a core material in comparison with resin modified glass ionomer and composite resin. Materials and Methods: Freshly extracted 30 human permanent maxillary central incisors were selected. After endodontic treatment followed by post space preparation and luting of Glass fibre post (Reforpost, Angelus), the samples were divided in to three groups based on the type of core material. The core build-up used in Group I was Biodentine (Septodont, France), Group II was Resin-Modified Glass Ionomer Cement (GC, Japan) and Group III was Hybrid Composite Resin (TeEconom plus, Ivoclar vivadent). The specimens were subjected to fracture toughness using Universal testing machine (1474, Zwick/Roell, Germany) and results were compared using One-way analysis of variance with Tukey's Post hoc test. Results: The results showed that there was significant difference between groups in terms of fracture load. Also, composite resin exhibited highest mean fracture load (1039.9 N), whereas teeth restored with Biodentine demonstrated the lowest mean fracture load (176.66 N). Resin modified glass ionomer exhibited intermediate fracture load (612.07 N). The primary mode of failure in Group I and Group II was favourable (100%) while unfavourable fracture was seen in Group III (30%). Conclusion: Biodentine, does not satisfy the requirements to be used as an ideal core material. The uses of RMGIC's as a core build-up material should be limited to non-stress bearing areas. Composite resin is still the best core build-up material owing to its high fracture resistance and bonding to tooth. PMID- 29207838 TI - In vitro Evaluation of Resin Infiltrant Penetration into White Spot Lesions of Deciduous Molars. AB - Introduction: Caries Infiltration is a recent microinvasive restorative technique that permits treatment of non-cavitated demineralized lesions, known as White Spot Lesions (WSL). Aim: To evaluate the extent of penetration of a commercially available resin caries-infiltrant into natural WSL occurring in deciduous tooth enamel. Materials and Methods: Deciduous molars with natural WSL on any smooth surface were selected and sectioned into halves to yield equal control and experimental groups. Therefore, 25 samples in the control group were untreated whereas 25 samples in the experimental group were treated with caries-infiltrant according to the manufacturer's instructions. Samples were then evaluated under cross-polarized light microscope. Lesion Depth (LD) and Penetration Depth (PD) of the caries-infiltrant were measured quantitatively and descriptive statistics were calculated. Results: Mean LD (standard deviation) for all samples (n=50) was 367(+/-182) MUm. Caries-infiltrant demonstrated varying depths of resin penetration into the natural white spot lesions of deciduous molars. Mean PD (standard deviation) was 352 (+/- 141) MUm. Conclusion: Resin-infiltrants can deeply and predictably penetrate enamel porosities in natural WSL in deciduous molars and impede lesion progression and prevent cavitation. PMID- 29207839 TI - Evaluation of Effect of Irrigants with or without Surfactant on Root Canal Transportation by Cone Beam Computed Tomography-An In vitro Study. AB - Introduction: Maintenance of original canal anatomy with proper disinfection is our primary goal to achieve during root canal instrumentation. Surfactants are added to irrigating solution to promote deeper penetration into dentinal tubules. Aim: The aim of this study was to evaluate the influence of addition of surfactants to Sodium Hypochlorite (NaOCl) and Ethylenediaminetetraacetic Acid (EDTA) on transportation of root canal. Materials and Methods: Fifty human mandibular molars with mesial root curvatures of 10 degrees - 40 degrees were selected and embedded in silicone impression material to simulate mandibular arch form to facilitate imaging process and maintain reproducibility of images. Before instrumentation, root canals were scanned by using Cone Beam Computed Tomography (CBCT) imaging (Carestream, India). The canals were then prepared with the ProTaper Next (PTN) system (Dentsply Maillefer, Ballaigues, Switzerland), using one of the following irrigation regimens during the instrumentation and were divided into five groups based on irrigation regimens followed: G1 (n=10) irrigation with saline solution(control); G2 (n=10)-irrigation with 2.5% NaOCl; G3 (n=10)-irrigation with 2.5% NaOCl added with surfactant; G4 (n=10)-irrigation with 17% EDTA; G5 (n=10)-irrigation with 17% EDTA added with surfactant. Post instrumentation scans were obtained with similar parameters and position as pre instrumentation scans by CBCT imaging. Transportation of the root canals were then analysed at three cross-sectional planes of pre-instrumentation and post instrumentation images at 2 mm, 5 mm, 8 mm from the apical end of the root. The data was statistically analyzed using Analysis of Variance (ANOVA) and Tukey post hoc test (p<0.05). Results: The mean transportation values were higher in G5. Transportation in G3 and G5 was not significantly different compared to G2 and G4 respectively (p<0.05). Conclusion: Instrumentation using irrigating solutions added with surfactant like 1% cetrimide maintained the canal curvature well. PMID- 29207841 TI - Effect of Mobile Phone Usage on Nickel Ions Release and pH of Saliva in Patients Undergoing Fixed Orthodontic Treatment. AB - Introduction: Hand held mobile phones are presently the most popular means of communication worldwide and have transformed our lives in many aspects. The widespread use of such devices have resulted in growing concerns regarding harmful effects of radiations emitted by them. This study was designed to evaluate the effects of mobile phone usage on nickel ion release as well as pH of saliva in patients with fixed orthodontic appliances. Aim: To assess the level of nickel ions in saliva and pH of saliva in mobile phone users undergoing fixed orthodontic treatment using inductively coupled plasma atomic emission spectrometry. Materials and Methods: A total of 42 healthy patients with fixed orthodontic appliance in mouth for a duration of six to nine months were selected for the study. They were divided into experimental group (n=21) consisting of mobile phone users and control group (n=21) of non mobile phone users. Saliva samples were collected from both the groups and nickel ion levels were measured using inductively coupled plasma-mass spectroscopy. The pH values were also assessed for both groups using pH meter. Unpaired t-test was used for the data analysis. Results: Statistical analysis revealed that though the pH levels were reduced and the nickel ion levels were higher in the experimental group compared to the control group, the results were non significant. Conclusion: Mobile phone usage may affect the pH of saliva and result in increased release of nickel ions in saliva of patients with fixed orthodontic appliances in the oral cavity. PMID- 29207840 TI - Evaluation of the Efficacy of G32 (Commercially Available Ayurvedic Preparation) in Reducing Halitosis - A Randomized Controlled Trial. AB - Introduction: Oral malodour is a social malady affecting people of all the age groups. Effective management of oral malodour is the key to improve the quality of life of such people. Aim: To evaluate the effectiveness of ayurvedic medication, G32 in controlling oral malodour and comparing the effects with Chlorhexidine (CHX). Materials and Methods: This was a single blind randomized controlled trial with parallel study design conducted at a hospital in the city of Udupi in Southern India. A total of 40 patients suffering with oral malodour, aged 17-35 years, were included in this trial. After inclusion into the study, the subjects were examined twice, with a one-week interval between both examinations. Volatile Sulphur Compounds (VSCs), gingival, plaque and tongue coating scores were assessed at both examinations. Subjects were randomly allocated to G32 group - ayurvedic formulation (intervention group) and CHX group (control group), and were provided with the respective formulations enough to be used twice daily for a period of one week. The difference between the mean scores of VSCs, plaque, and gingivitis and tongue coating were compared within the intervention and control groups, respectively, using paired t-test. Results: Both test and control groups showed a significant reduction in VSCs, plaque and gingivitis levels. The percentage reductions in VSCs, plaque and gingivitis were found to be similar among the two groups. There was no significant difference between the preintervention and postintervention scores in both the groups. Conclusion: G32, an ayurvedic medication, can be an effective tool to deal with oral malodour. PMID- 29207842 TI - A Three Month Comparative Evaluation of the Effect of Different Surface Treatment Agents on the Surface Integrity and Softness of Acrylic based Soft Liner: An In vivo Study. AB - Introduction: Acrylic based soft liners are cost effective, yet are inferior in durability as compared to silicone based liners. Hence, this study was conducted to evaluate if the softness and surface integrity of acrylic based soft liner can be maintained by using different surface treatment agents. Aim: To comparatively evaluate the effects of Varnish, Monopoly and Kregard surface treatment agents on the surface integrity and softness of acrylic based soft liner at baseline, at one month and after three months. Materials and Methods: A total of 37 participants who required conventional maxillary dentures were selected according to the determined inclusion and exclusion criteria of the study. In the maxillary denture on the denture bearing surface, eight palatal recesses (5 mm x 3 mm) were made and filled with acrylic based soft liner (Permasoft). The soft liners in these recesses were given surface treatment and divided as control (uncoated), Varnish, Monopoly and Kregard groups. The hardness and surface integrity were evaluated with Shore A Durometer and Scanning Electron Microscope (SEM) respectively at baseline, one month and three months interval. Surface integrity between groups was compared using Kruskal-Wallis test. Intergroup comparison for hardness was done using ANOVA and Tukey's HSD post-hoc tests. Results: Amongst all the groups tested, surface integrity was maintained in the Kregard group, as compared to control, Varnish and Monopoly groups for all three time intervals (p< 0.001). Kregard treated samples also demonstrated significantly higher softness at all the time intervals (p<0.001). Conclusion: Surface treatment with Kregard demonstrated better surface integrity and softness at all the time intervals. PMID- 29207843 TI - Biosynthesis, Characterization and Antibacterial Efficacy of Silver Nanoparticles Derived from Endophytic Fungi against P. gingivalis. AB - Introduction: Microbial resistance to existing antimicrobial agents in periodontal therapy is a growing problem. Therefore, there is a need for development of new antimicrobial agents. Aim: To biosynthesize and characterize Silver Nanoparticles (AgNPs) using endophytic fungi and to evaluate the antibacterial efficacy against P. gingivalis. Materials and Methods: Cut leaf segments of Withania Somnifera (Ashwagandha) were used to isolate the fungi. Fresh cultures of fungi were inoculated in Erlenmeyer flask of 100 ml Malt Glucose Yeast Peptone (MGYP) broth and incubated at 29 degrees C for 72 hours for the biomass to grow. Biomass was filtered and cell free fungal filtrate was used further. Biosynthesized AgNPs were characterized by visual observation, Ultraviolet-Visible (UV-Vis) spectrophotometer, Transmission Electron Microscopy (TEM), Selected Area Electron Diffraction Analysis (SAED) and Fourier Transform Infrared Spectroscopy (FTIR). Antibacterial efficacy was evaluated by agar diffusion method measuring the zone of inhibition. The study groups included different concentrations of AgNPs: A (20 MUl), B (40 MUl), C (60 MUl), D (80 MUl) and E (100 MUl) of AgNPs, F (0.2% CHX), G (2% CHX), H (Ampicillin) and I (sterile distilled water). The data collected for inhibition zones were statistically analysed using One-way Anova followed by Tukey post-hoc multiple comparison tests. Results: The fungi were identified as Fusarium semitectum. Characterization studies showed the colour change from colourless to reddish brown; U-V spectrum showed peak 420 nm, TEM revealed the particles spherical in shape and 10-20 nm in size. FTIR analysis revealed the presence of functional groups. AgNPs 80 MUl and 100 MUl showed mean zone of inhibition 17.33 and 18 mm against P. gingivalis. CHX (0.2%) 17.85 and CHX (2%) 19.97 mm, Ampicillin 20.5 mm and no zone for sterile distilled water. Conclusion: Biosynthesized AgNPs showed efficient antibacterial efficacy against P. gingivalis hence, creates a new horizon in periodontal therapy. PMID- 29207844 TI - Impact of Nano Hydroxyapatite, Nano Silver Fluoride and Sodium Fluoride Varnish on Primary Teeth Enamel Remineralization: An In Vitro Study. AB - Introduction: Dental caries is still prevailing worldwide, although different anti caries products have been introduced. Each remineralizing agent has its own shortcomings. Therefore, looking for new agents to have benefits of previous ones with lesser side effects is worthwhile. Aim: To determine the remineralization ability of NaF varnish, nano-Hydroxyapatite Serum (n-HAP) and Nano Silver Fluoride (NSF) on enamel of primary anterior teeth. Materials and Methods: Incipient caries were induced in primary sound anterior teeth by storing each specimen in demineralization solution for 72 hours. Then they were randomly divided into four groups of 15 samples each: (1) NaF varnish; (2) n-HAP repairing serum; (3) NSF and (4) no treatment (control). Surface Microhardness (SMH) was assessed with Vickers micro hardness tester before and after demineralization and after 10 days of pH-cycling. A total of 12 random specimens from groups 1 to 4 (3 random samples of each group) were examined by Atomic Force Microscopy (AFM). The SMH values were analysed with one-way and repeated measures ANOVA. Level of significance was set at p=0.05. Results: Post lesion SMH values significantly decreased in all groups (p<0.001). Post treatment SMH values significantly increased in comparison to post lesion ones (p<0.001) except for control group which was not different statistically (p=0.86). The highest SMH values were observed in NSF group (mean 222.90 +/- 28.79). Statistically significant differences were shown between all groups (p<0.05). However, NaF varnish and n HAP groups were not statistically different (p=0.165). AFM images demonstrated protective layers in all treated groups. Conclusion: The results of this in vitro study suggest that NSF could have the greatest remineralization efficacy. NaF varnish and n-HAP serum were similar in remineralizing initial caries. Future clinical studies are recommended for selection of the most appropriate remineralizing agent in primary teeth. PMID- 29207845 TI - Two Episodes of Trigeminocardiac Reflex During a Pan facial Fracture Surgery, a Rare Phenomenon - Case Report and Review of Literature. AB - Trigeminocardiac reflex is a sudden physiologic response due to mechanical manipulation of any of the branches of trigeminal nerve. Trigeminocardiac reflex occurs due to pressure effect or stretching of trigeminal nerve which causes fall in blood pressure and decrease in heart rate. In this reflex arc, the trigeminal nerve serves as afferent pathway and vagus nerve, which is cardio inhibitory in nature, serves as efferent pathway. Two episodes of trigeminocardiac reflex during maxillofacial trauma surgery is not a common phenomenon. The present case report describes a case of 40-year-old male patient, diagnosed with pan facial fracture in which two episodes of trigeminocardiac reflex were seen intraoperatively during fracture reduction and fixation of left zygomaticomaxillary complex fracture and inferior orbital rim fracture. Intraoperative management of trigeminocardiac reflex was done by withholding the stimulus and administration of atropine. PMID- 29207846 TI - Tiny Creature in Oral Cavity: A Case Report. AB - Oral cavity is nidus of much pathology. Some may arise due to altered eating habits such as meat, uncooked food etc. The parasitic infections arising from ingesting uncooked pork (larva of pork tapeworm) called as cysticercosis and being undiagnosed lead to "diagnostic dilemma". Herein we report a case of cysticercosis involving the right dorsum of tongue along with review of literature. PMID- 29207847 TI - Categorization and Management of Various Types of C-Shaped Canals: Two Case Reports. AB - This case report presents the categorization and management of two cases of C shaped canals in need of root canal treatment, based on the available classification systems. The prediction of C-shaped root canal morphology using radiography and clinical picture is possible through the application of the classification schemes proposed in literature. A modified cold lateral compaction technique is described for obturation of C-shaped canals partly united by a narrow isthmus. PMID- 29207848 TI - Bite Force Recording Devices - A Review. AB - In dental research, bite force serves as a valuable parameter to evaluate the efficacy of masticatory system. A variety of devices with different design and working principle have been used to record bite force, but no single device is capable to record all the required forces. One may find it difficult to choose a device that will fulfil the purpose of recording bite force for research. So, the present review aims to report and compare the wide range of devices and will help in describing their uses for recording bite force. PMID- 29207849 TI - Management of Paediatric Oral Ranula: A Systematic Review. AB - Introduction: Ranula is mucous extravasation cyst that occurs in the floor of the mouth. There are various methods of management of paediatric oral ranula each of which has their own advantage and disadvantage. Aim: The aim of this paper was to systematically review the available literature on the management of paediatric oral ranula. Materials and Methods: A total of 64 articles were retrieved by electronic search. Based on the preset inclusion and exclusion criteria, a total of 21 articles were retrieved for full text analysis. The following characteristics were assessed from the retrieved articles: author, year of publication, study design, sample size, intervention, adverse effects and follow up period. Results: The included studies consisted of the following study design: Seven articles were prospective clinical study, four articles were retrospective review, five articles were case series and five articles were case report. The mode of care varied from surgical excision to drug administration and lasers. Conclusion: The data obtained from the review, display a lack of high quality study, with proper sample size and adequate follow up period. Further, randomized clinical trials are required to help the clinicians devise a best treatment approach for the management of paediatric oral ranula. PMID- 29207850 TI - A Novel Technique of Fabricating a Modified Removable Provisional Prosthesis over an Autologous Bone Grafted Maxillary Anterior Edentulous Segment Prior to Implant Placement. AB - Implant dentistry has provided a lot of surgical as well as prosthetic techniques for improving the success of the implants. The surgical technique commonly followed now prior to implant placement is bone grafting procedure. One of the commonest techniques is the use of autologous block graft harvested from mandibular chin region. However, interference in healing as well as excessive bone resorption due to the use of removable provisional prosthesis over the bone grafted region has been commonly observed/reported. Hence now-a-days, fixed provisional prosthesis is preferred over removable provisional prosthesis for the added advantages of superior aesthetics and patient acceptance. This article highlights a new technique of fabricating removable provisional prosthesis, which is superior in aesthetics and strength, consumes less chair time and exerts zero pressure onto the grafted site. PMID- 29207851 TI - Correspondence: Correlation of Salivary pH, Incidence of Dental Caries and Periodontal Status in Diabetes Mellitus Patients: A Cross-Sectional Study. PMID- 29207852 TI - The efficacy and safety of high-intensity focused ultrasound ablation of benign thyroid nodules. AB - High-intensity focused ultrasound (HIFU) is a promising form of thermal ablation of benign thyroid nodules, but evidence supporting its use is scarce. The present review evaluated the efficacy and safety of single-session HIFU treatment of benign thyroid nodules. As reported in the literature, the extent of nodule shrinkage following treatment ranged from 48.8% to 68.8%. Like other forms of ablation, the shrinkage rate was greatest in the first 3-6 months, and the best responders were patients with small (<=10 mL) nodules. Complications were uncommon, but temporary vocal cord palsy occurred in 3%-4% of patients, and was related to the distance between the HIFU beam and the recurrent laryngeal nerve. Despite being safe and efficacious, a larger-scale prospective trial is required. PMID- 29207853 TI - Complications Following Transradial Cerebral Angiography : An Ultrasound Follow Up Study. AB - Objective: The feasibility and usefulness of transradial catheterization for coronary and neuro-intervention are well known. However, the anatomical change in the catheterized radial artery (RA) is not well understood. Herein, we present the results of ultrasonographic observation of the RA after routine transradial cerebral angiography (TRCA). Methods: Patients who underwent routine TRCA with pre- and post-procedure Doppler ultrasonography (DUS) of the catheterized RA were enrolled. We then recorded and retrospectively reviewed the diameter and any complicated features of the RA observed on DUS, and the factors associated with the diameter and complications were analyzed. Results: A total of 223 TRCAs across 181 patients were enrolled in the current study. The mean RA diameter was 2.48 mm and was positively correlated with male gender (p<0.001) and hypertension (p<0.002). The median change in diameter after TRCA was less than 0.1 mm (range, 1.3 to 1.2 mm) and 90% of changes were between -0.8 and +0.7 mm. Across 228 procedures, there were 12 cases (5.3%) of intimal hyperplasia and 22 cases (9.6%) of asymptomatic local vascular complications found on DUS. Patients with abnormal findings on the first procedure had a smaller pre-procedural RA diameter than that of patients without findings (2.26 vs. 2.53 mm, p=0.0028). There was no significant difference in the incidence of abnormal findings for the first versus subsequent procedures (p=0.68). Conclusion: DUS identified the pre- and post procedural diameter and local complications of RA. Routine TRCA seems to be acceptable with regard to identifying local complications and changes in RA diameter. PMID- 29207855 TI - Including the Sheath Rinse to Improve Cellular Yield in Biliary Brushing Cytology. PMID- 29207854 TI - Recent Development of Techniques and Devices in Colorectal Endoscopic Submucosal Dissection. AB - Colorectal endoscopic submucosal dissection (ESD) is now a well-established endoscopic treatment for early-stage colorectal neoplasms, especially in Asian countries, including Japan. Despite the spread of colorectal ESD, there are still situations in which achieving successful submucosal dissection is difficult. Various novel techniques and devices have been developed to overcome these difficulties, and past reports have shown that some of these strategies can be applied to colorectal ESD. We review several recent developments in the field. The techniques reviewed include the pocket creation method and traction methods and the devices reviewed include the overtube with balloon and electrosurgical knives with water-jet function. These improved techniques and devices can facilitate safer, more reliable ESDs and expand its applicability and acceptability all over the world. PMID- 29207856 TI - Diagnosis of Pancreatic Neuroendocrine Tumors. AB - Pancreatic neuroendocrine tumors (PNETs) are relatively rare; however, the incidence has increased over the last few decades. They are classified as functional or non-functional tumors according to the presence of associated clinical symptoms. The majority are non-functional tumors. For classification and staging, the World Health Organization 2010 classification system is the most commonly accepted. Chromogranin A is the most sensitive marker but has insufficient specificity. In general, PNETs are hypervascular tumors, and multiphasic contrast-enhanced computed tomography is considered the first choice for imaging study. Multiphasic magnetic resonance imaging can detect PNETs smaller than 2 cm and small liver metastasis compared with other modalities. Somatostatin receptor scintigraphy is often used in cases where functional PNETs are suspected. Positron emission tomography (PET) scan with 18F fluorodeoxyglucose cannot visualize PNETs, but PET with 68-Ga DOTATATE can. Endoscopic ultrasonography can characterize smaller PNETs using contrast and confirm histology through fine needle aspiration or biopsy. In this article, we review the characteristics of grading systems and diagnostic modalities commonly used for PNETs. PMID- 29207857 TI - Diagnosis and Management of Rectal Neuroendocrine Tumors. AB - The incidence of rectal neuroendocrine tumors (NETs) has increased by almost ten fold over the past 30 years. There has been a heightened awareness of the malignant potential of rectal NETs. Fortunately, many rectal NETs are discovered at earlier stages due to colon cancer screening programs. Endoscopic ultrasound is useful in assessing both residual tumor burden after retrospective diagnosis and tumor characteristics to help guide subsequent management. Current guidelines suggest endoscopic resection of rectal NETs <=10 mm as a safe therapeutic option given their low risk of metastasis. Although a number of endoscopic interventions exist, the best technique for resection has not been identified. Endoscopic submucosal dissection (ESD) has high complete and en-bloc resection rates, but also an increased risk of complications including perforation. In addition, ESD is only performed at tertiary centers by experienced advanced endoscopists. Endoscopic mucosal resection has been shown to have variable complete resection rates, but modifications to the technique such as the addition of band ligation have improved outcomes. Prospective studies are needed to further compare the available endoscopic interventions, and to elucidate the most appropriate course of management of rectal NETs. PMID- 29207858 TI - Can Endoscopic Ultrasonography Prevent Unnecessary Endoscopic Retrograde Cholangiopancreatography in Patients with High and Intermediate Likelihood of Choledocholithiasis? PMID- 29207859 TI - Clinical Significance of Risk Factors for Asymptomatic Peptic Ulcer Disease. PMID- 29207860 TI - Therapy of Pancreatic Neuroendocrine Tumors: Fine Needle Intervention including Ethanol and Radiofrequency Ablation. AB - Pancreatic neuroendocrine tumors (PNETs) are increasingly being detected, though usually as incidental findings. Majority of the PNETs are non-functional and surgical resection is the standard of care for most of them. However, in patients with small PNETs localized within the pancreas, who are unfit or unwilling for surgery, alternate methods of treatment are needed. Direct methods of ablation of PNETs, using either ethanol injection or radiofrequency ablation (RFA), are emerging as effective methods. The limited literature available as case reports or case series on endoscopic ultrasound (EUS)-guided local ablation using either ethanol or RFA has demonstrated safety and efficacy along with short- to medium term sustained relief. Long-term benefits with these local ablative therapies are awaited. Comparative studies are needed to show which of these two competing technologies is superior. Finally, comparative trials of EUS-guided ablation with surgical resection in terms of efficacy and safety will ensure their place in the management algorithm. PMID- 29207861 TI - Endoscopic Resection of Early Gastric Cancer with Undifferentiated-Type Histology. PMID- 29207863 TI - Proper Treatment Option for Small Rectal Neuroendocrine Tumors Using Precut Endoscopic Mucosal Resection. PMID- 29207862 TI - Diagnosis and Management of Upper Gastrointestinal Neuroendocrine Tumors. AB - Upper gastrointestinal neuroendocrine tumors (NETs) are rare tumors which are increasingly recognised by practising endoscopists. After confirmation by endoscopic biopsies of these focal lesions, many questions may arise. As NETs are less frequently encountered compared to other malignancies or gastrointestinal pathology, many endoscopists may not fully understand the natural history, diagnosis and management of these tumors. In this review, we aim to update the practising endoscopist on the key clinical features and management of patients with upper gastrointestinal NET. PMID- 29207864 TI - Long-term cosmesis following a novel schedule of accelerated partial breast radiation in selected early stage breast cancer: result of a prospective clinical trial. AB - PURPOSE: There is controversy regarding the cosmetic outcome after accelerated partial breast radiation (APBR). We report the cosmetic outcome from a single-arm prospective clinical trial of APBR delivered using intensity-modulated radiation therapy (IMRT) in elderly patients with stage I breast cancer (BC), using a novel fractionation schedule. MATERIALS AND METHODS: Forty-two patients aged >=65, with Stage I BC who underwent breast-conserving surgery were enrolled in a phase I/II study evaluating a 2-week course of APBR. Thirty eligible patients received 40 Gy in 4 Gy daily fractions. Cosmetic outcome was assessed subjectively by physician/patient and objectively by using a computer program (BCCT.core) before APBR, during, and after completion of the treatment. RESULTS: The median age was 72 years, the median tumor size was 0.8 cm, and the median follow-up was 50.5 months. The 5-year locoregional control in this cohort was 97% and overall survival 87%. At the last follow-up, patients and physicians rated cosmesis as 'excellent' or 'good' in 100% and 91 %, respectively. The BCCT.core program scored the cosmesis as 'excellent' or 'good' in 87% of the patients at baseline and 81% at the last follow-up. The median V50 (20 Gy) of the whole breast volume (WBV) was 37.2%, with the median WBV V100 (40 Gy) of 10.9%. CONCLUSION: An excellent rate of tumor control was observed in this prospective trial. By using multiple assessment techniques, we are showing acceptable cosmesis, supporting the use of IMRT planned APBR with daily schedule in elderly patients with early stage BC. PMID- 29207865 TI - Prognostic value of nodal SUVmax of 18F-FDG PET/CT in nasopharyngeal carcinoma treated with intensity-modulated radiotherapy. AB - PURPOSE: To investigate the predictive role of maximum standardized uptake value (SUVmax) of 2-[18F]fluoro-2-deoxy-D-glucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) in nasopharyngeal cancer patients treated with intensity-modulated radiotherapy (IMRT). MATERIALS AND METHODS: Between October 2006 and April 2016, 53 patients were treated with IMRT in two institutions and their PET/CT at the time of diagnosis was reviewed. The SUVmax of their nasopharyngeal lesions and metastatic lymph nodes (LN) was recorded. IMRT was delivered using helical tomotherapy. All patients except for one were treated with concurrent chemoradiation therapy (CCRT). Correlations between SUVmax and patients' survival and recurrence were analyzed. RESULTS: At a median follow-up time of 31.5 months (range, 3.4 to 98.7 months), the 3-year overall survival (OS) and disease-free survival (DFS) rates were 83.2% and 77.5%, respectively. In univariate analysis, patients with a higher nodal pre-treatment SUVmax (>= 13.4) demonstrated significantly lower 3-year OS (93.1% vs. 55.5%; p = 0.003), DFS (92.7% vs. 38.5%; p < 0.001), locoregional recurrence-free survival (100% vs. 50.5%; p < 0.001), and distant metastasis-free survival (100% vs. 69.2%; p = 0.004), respectively. In multivariate analysis, high pre-treatment nodal SUVmax (>= 13.4) was a negative prognostic factor for OS (hazard ratio [HR], 7.799; 95% confidence interval [CI], 1.506-40.397; p = 0.014) and DFS (HR, 9.392; 95% CI, 1.989-44.339; p = 0.005). CONCLUSIONS: High pre-treatment nodal SUVmax was an independent prognosticator of survival and disease progression in nasopharyngeal carcinoma patients treated with IMRT in our cohort. Therefore, nodal SUVmax may provide important information for identifying patients who require more aggressive treatment. PMID- 29207866 TI - Interobserver variation in target volume for salvage radiotherapy in recurrent prostate cancer patients after radical prostatectomy using CT versus combined CT and MRI: a multicenter study (KROG 13-11). AB - PURPOSE: To investigate interobserver variation in target volume delineations for prostate cancer salvage radiotherapy using planning computed tomography (CT) versus combined planning CT and magnetic resonance imaging (MRI). MATERIALS AND METHODS: Ten radiation oncologists independently delineated a target volume on the planning CT scans of five cases with different pathological status after radical prostatectomy. Two weeks later, this was repeated with the addition of planning MRI. The volumes obtained with CT only and combined CT and MRI were compared, and the effect of the addition of planning MRI on interobserver variability was assessed. RESULTS: There were large differences in clinical target volume (CTV) delineated by each observer, regardless of the addition of planning MRI (9.44-139.27 cm3 in CT only and 7.77-122.83 cm3 in CT plus MRI) and no significant differences in the mean and standard deviation of CTV. However, there were decreases in mean volume and standard deviation as a result of using the planning MRI. CONCLUSION: This study showed substantial interobserver variation in target volume delineation for salvage radiotherapy. The combination of planning MRI with CT tended to decrease the target volume and the variation. PMID- 29207868 TI - Unexpected amyloidosis, mimicking a splenic cyst. PMID- 29207869 TI - Concomitant emphysematous cystitis and liver abscess. PMID- 29207867 TI - Updated treatment strategies for intestinal Behcet's disease. AB - Behcet's disease (BD) is a chronic, idiopathic, relapsing immune-mediated disease involving multiple organs, and is characterized by recurrent oral and genital ulcers, ocular disease, gastrointestinal ulcers, vascular diseases, and skin lesions. In particular, gastrointestinal involvement in BD is followed by severe complications, including massive bleeding, bowel perforation, and fistula, which can lead to significant morbidity and mortality. However, the management of intestinal BD has not yet been properly established. Intestinal BD patients with a severe clinical course experience frequent disease aggravations and often require recurrent corticosteroid and/or immunomodulatory therapies, or even surgery. However, a considerable number of patients with intestinal BD are often refractory to conventional therapies such as corticosteroids and immunomodulators. Recently, there has been a line of evidence suggesting that biologics such as infliximab and adalimumab are effective in treating intestinal BD. Moreover, new biologics targeting proteins other than tumor necrosis factor alpha are emerging and are under active investigation. Therefore, in this paper, we review the current therapeutic strategies and new clinical data for the treatment of intestinal BD. PMID- 29207870 TI - Thermodynamics of a MU-oxo Dicopper(II) Complex for Hydrogen Atom Abstraction. AB - The mono-MU-hydroxo complex {[Cu(tmpa)]2-(MU-OH)}3+ (1) can undergo reversible deprotonation at -30 degrees C to yield {[Cu(tmpa)]2-(MU-O)}2+ (2). This species is basic with a pKa of 24.3. 2 is competent for concerted proton-electron transfer from TEMPOH, but is an intrinsically poor hydrogen atom abstractor (BDFE(OH) of 77.2 kcal/mol) based on kinetic and thermodynamic analyses. Nonetheless, DFT calculations experimentally calibrated against 2 reveal that [Cu2O]2+ is likely thermodynamically viable in copper-dependent methane monoxygenase enzymes. PMID- 29207871 TI - Molecular Tensor Analysis of Third-Harmonic Scattering in Liquids. AB - Third-harmonic scattering is a nonlinear optical process that involves the molecular second-hyperpolarizability, gamma. This work presents a rigorous quantum electrodynamical analysis of the scattering process, involving a partially index-symmetric construction of the fourth-rank gamma tensor-dispensing with the Kleinman symmetry condition. To account for stochastic molecular rotation in fluids, methods of isotropic averaging must be employed to relate the molecular properties to accessible experimental quantities such as depolarization ratio. A complete eighth-rank tensor rotational average yields results for observable third-harmonic scattering rates, cast as a function of the natural invariant gamma components, and the polarization geometry of the experiment. Decomposing the tensor gamma into irreducible weights allows specific predictions to be made for each molecular point group, allowing greater discrimination between the results for different molecular symmetries. PMID- 29207872 TI - Complexation of Al3+ and Ni2+ by l-Ascorbic Acid: An Experimental and Theoretical Investigation. AB - Despite the potential versatility of Vitamin C as a ligand, only for few metal complexes does full characterization exist. Vitamin C metal complexes, indeed, are difficult to study experimentally because the ligand has multiple protonation and oxidation states, and the metal-ligand complexes are in general not as tight as one might expect and frequently resistant to crystallographic characterization. In most cases, coordination via one of the hypothesized modes is invoked, characterized by monodentate or bidentate coordination via the most acidic oxygen atoms, with the ligand singly or doubly deprotonated. In this study the ability of l-ascorbic acid to form complexes with Al3+ and Ni2+ ions under physiological conditions was investigated by using a combination of potentiometric measurements, 1H NMR spectroscopy, and DFT computations in order to recognize the structural properties of the resulting complexes in aqueous solution. The comparison between the values of the free energies of complexation obtained by using DFT quantum chemical calculations and estimated from experimental stability constants according to the mass action law and by considering the involved equilibria allows to select structure and preferred coordination modes of formed complexes. The protonation constant of the free ligand was also determined using potentiometric data and its reproduction by using computational approaches was critically commented. PMID- 29207873 TI - A Novel Doxorubicin Prodrug with GRP78 Recognition and Nucleus-Targeting Ability for Safe and Effective Cancer Therapy. AB - Glucose-regulated protein of 78 kDa (GRP78) has become an attractive and novel target for tumor therapy. Design and construction of powerful delivery systems that could efficiently transport doxorubicin (DOX) to a tumor-cell nucleus remains a formidable challenge for improving the tumor therapeutic index and mitigating side effects to normal tissues. Herein, a novel doxorubicin prodrug (NDP) with GRP78 recognition and nucleus-targeting ability was synthesized by a facile chemical route. NDP exhibited an enhanced antiproliferative activity against colorectal cancer cells and could efficiently enter the cell nucleus. Furthermore, it is inspiring to note that NDP displayed a much stronger inhibitory efficacy against the growth of colorectal cancer xenografts in nude mice than free DOX and showed superior in vivo safety. Together, the work provides a novel GRP78 and nucleus-targeting strategy, and the NDP holds great promise to be used as a potent and safe chemotherapeutic agent. PMID- 29207874 TI - Recent Progress in the Chemistry of Pyridazinones for Functional Group Transformations. AB - While N-hetereocycles have received significant attention in organic synthesis and other research fields, the chemistry of pyridazine, a six-membered aromatic ring with two adjacent nitrogen atoms, and its derivatives has been relatively little understood. This Synopsis describes recent progress made in the synthesis of pyridazine derivatives-particularly, pyridazin-3(2H)-ones-and their utility as efficient and recyclable functional group carriers for various important organic reactions. PMID- 29207876 TI - Rural health in Japan: past and future. PMID- 29207877 TI - Alternative Thiol-Based Redox Systems. AB - The maintenance of thiol-redox homeostasis is vital to the survival of living organisms. Sulfur-based low-molecular weight compounds and proteins synthesized by cells provide efficient and specific ways to counteract oxidative stress and regulate cellular processes. For these tasks, most organisms share the glutathione and thioredoxin NADPH-dependent redox systems. However, in certain lineages, evolution has taken different paths that led to the emergence of novel cysteine-based low-molecular weight redox cofactors, around which new redox systems evolved. These include the sugar-based cysteinyl derivatives mycothiol and bacillithiol, and ergothioneine (EGT), which are present in different phyla from bacteria. Within Eukarya, some fungi contain EGT, whereas trypanothione is unique to species from the Euglenozoa family. This Forum compiles the state-of the-art knowledge about these noncanonical redox systems of pathogenic organisms. The functions in physiology and pathogenicity, as well as structural and biochemical specializations that these system components evolved, are thoroughly discussed. Antioxid. Redox Signal. 28, 407-409. PMID- 29207878 TI - CD20-CD19 Bispecific CAR T Cells for the Treatment of B-Cell Malignancies. AB - The treatment of leukemia/lymphoma by chimeric antigen receptor (CAR) redirected T cells with specificity for CD19 induced complete remissions in the majority of patients, with a realistic hope for cure. However, recent follow-up data revealed a substantial risk of relapse through leukemic cells that lack the CAR targeted antigen. In this situation, a bispecific CAR with binding domains for CD19 and CD20 is aimed at recognizing leukemic cells with only one cognate antigen. The anti-CD20-CD19 bispecific CAR induced a full T-cell response upon engagement of CD19 or CD20 on target cells showing a true "OR" gate recognition in redirecting T-cell activation. T cells with the anti-CD20-CD19 CAR efficiently killed patients' chronic lymphocytic leukemia cells in vitro. The bispecific CAR T cells cleared pediatric acute lymphocytic leukemia with a mixed CD19+CD20+/CD20- phenotype from the blood and bone marrow of transplanted mice, while anti-CD20 CAR T cells left CD20- leukemic cells behind without curing the disease. Data indicate the superior anti-leukemic activity in the control of leukemia, implying that the anti-CD20-CD19 bispecific CAR T cells may reduce the risk of relapse through antigen-loss leukemic cells in the long term. PMID- 29207879 TI - Association of DGAT2 gene polymorphisms with carcass and meat quality traits in domestic pigeons (Columba livia). AB - 1. Diacylglycerol acyltransferase (DGAT) plays an important role in the synthesis of triacylglycerol, but its effects on meat quality and carcass composition in pigeons are unclear. In this study, single-nucleotide polymorphisms (SNPs) in the exons of the DGAT2 gene were identified and analysed by using DNA sequencing methods in 200 domestic pigeons (Columba livia). The associations between DGAT2 polymorphisms and carcass and meat quality traits were also analysed. 2. Sequencing results showed that 5 nucleotide mutations were detected in exons 3, 4, 5 and 6 of the DGAT2 gene. The analysis revealed three genotypes (AA, AB and BB) in G18398T and G22484C, in which the AA genotype and A allele had the highest frequency. 3. In the SNP of G18398T located in exon 5, individuals with genotype BB had significantly higher meat quality and lower abdominal fat content than those with AA or AB genotype. In the SNP of G22484C located in exon 6, the genotype AA showed highest carcass trait values, while the genotype BB represented better meat quality, compared to AA and AB genotypes. 4. The results imply that DGAT2 gene has a close relationship with carcass and meat quality traits in pigeons, and the SNPs of G18398T and G22484C can be used as genetic markers for marker-assisted breeding in pigeon. PMID- 29207880 TI - The psychosocial needs of refugee children and youth and best practices for filling these needs: A systematic review. AB - Conflict across the globe has displaced over 16.1 million refugees, with approximately half under the age of 18. Despite the number of young refugees, there is a dearth of research reporting on the needs of refugee children and youth. The purpose of this systematic review is to begin to fill this gap by summarizing what we know about the needs of refugee children and youth (5-18 years old). Eighteen manuscripts met the study inclusion criteria. In these studies, the identified needs of refugee children and youth were primarily in the domains of social support, security, culture, and education. Several strategies were identified as facilitating their integration, such as mentorship programs. The current review can help inform future integration programs designed for refugee children and youth. Supporting the integration of refugee children and youth, and their families, promotes positive outcomes and is beneficial for both refugees and members of host communities. PMID- 29207882 TI - The modified lateral supraorbital approach. AB - PURPOSE: Lateral supraorbital approach is a simpler and quicker method than pterional approach. It provides a more anterior projection when compared to the pterional approach. There are some minor differences of the modified lateral supraorbital approach when compared to lateral supraorbital approach. It is directed more subfrontally and anterior than the pterional and lateral supraorbital approach. MATERIAL AND METHODS: We used modified lateral supraorbital approach in 100 cases between 2012 and 2015 in Medical Park Izmir Hospital/Turkey. The assessed data were as follows: age, gender, Glasgow coma scale at admission, the localization of pathology, the condition of surgical obliteration for aneurysm, excision grade for meningioma, length of stay in the hospital and Glasgow outcoma scale at discharge. RESULTS: Of all patients, 58 (58%) were men and 42 (42%) were women. Our cases were anterior communicating artery aneurysms (41 cases), tuberculum sella and medial sphenoid wing meningiomas (22 cases), middle cerebral artery aneurysms (15 cases), olfactory groove meningiomas (15 cases), anterior choroidal artery aneurysms (4 cases) and posterior communicating artery aneurysms (3 cases). 4 patients died and the mortality rate of the study cohort was 4%. CONCLUSIONS: The MLSA is faster, simpler and less invasive than the PA and LSA. PMID- 29207881 TI - Sickle cell disease: a malady beyond a hemoglobin defect in cerebrovascular disease. AB - INTRODUCTION: Sickle cell disease (SCD) is a devastating monogenic disorder that presents as a multisystem illness and affects approximately 100,000 individuals in the United States alone. SCD management largely focuses on primary prevention, symptomatic treatment and targeting of hemoglobin polymerization and red blood cell sickling. Areas covered: This review will discuss the progress of SCD over the last few decades, highlighting some of the clinical (mainly cerebrovascular) and psychosocial challenges of SCD in the United States. In addition, focus will also be made on the evolving science and management of this inherited disease. Expert commentary: Until recently hydroxyurea (HU) has been the only FDA approved therapy for SCD. However, advancing understanding of SCD pathophysiology has led to multiple clinical trials targeting SCD related thrombo-inflammation, abnormal endothelial biology, increased oxidant stress and sickle cell mutation. Yet, despite advancing understanding, available therapies are limited. SCD also imposes great psychosocial challenges for the individual and the affected community, which has previously been under-recognized. This has created a pressing need for complementary adjuvant therapies with repurposed and novel drugs, in addition to the establishment of comprehensive clinics focusing on both the medical treatment and the psychosocial issues associated with SCD. PMID- 29207883 TI - Physiological and behavioral indices of short-term stress in wild vicunas (Vicugna vicugna) in Jujuy Province, Argentina. AB - The management of wild vicunas can trigger a stress response that may compromise welfare. In Santa Catalina, Jujuy Province, Argentina, indices of short-term stress associated with capture, handling, and shearing were studied in 105 wild vicunas (Vicugna vicugna). The study included 2 groups (n = 59 and n = 46) of wild vicunas captured in 2 consecutive days. Independent variables analyzed included sex, restraint time, and groups. Cortisol, creatine kinase, glucose, white blood cells, temperature, heart rate, and respiratory frequency were higher than published values. Respiratory rate increased during handling and correlated with holding time and group size, while heart rate decreased. Packed cell volume was higher in females. Cortisol concentrations differed between restraint groups and sex and inversely correlated with agonistic behavior. The most common behavior was increased vigilance. Sternal recumbency increased over holding time. During handling procedures, frequency of sudden movements like kicking and attempts to stand increased as restraint time increased. Females vocalized more than males. In conclusion, the methods used triggered measurable changes suggestive of short-term stress that appeared to be physiologically tolerated by the vicunas. PMID- 29207884 TI - Mental Health of Refugees and Asylum Seekers: Assessment and Intervention. AB - With unprecedented numbers of displaced persons worldwide, mental health clinicians in high-income countries will increasingly encounter refugee and asylum-seeking patients, many of whom have experienced significant adversity before and after their migration. This paper presents a summary of the recent evidence on the assessment and treatment of refugees across the lifespan to inform clinicians' approaches to care of refugee patients in mental health care settings. Assessment and interventions for refugees are grounded in an ecosystemic approach which considers not only pre-migratory trauma, but social, familial, and cultural determinants of mental health in the host country. Evidence for psychotherapy and pharmacological treatments are reviewed, highlighting promising interventions while acknowledging that further research is needed. Ultimately, serving refugees necessitates a biopsychosocial approach that engages clinicians as medical experts, therapists, and advocates. PMID- 29207885 TI - The effectiveness of walking versus exercise on pain and function in chronic low back pain: a systematic review and meta-analysis of randomized trials. AB - OBJECTIVE: Walking is commonly recommended to relieve pain and improve function in chronic low back pain. The purpose of this study was to conduct a systematic review and meta-analysis of randomized controlled trials concerning the effectiveness of walking interventions compared to other physical exercise on pain, disability, quality of life and fear-avoidance, in chronic low back pain. METHODS: Randomized controlled trials investigating the effects of walking alone compared to exercise and to exercise with added walking on adults with chronic low back pain were identified using the MEDLINE, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Physiotherapy Evidence Database (PEDro), Cochrane Central Register of Controlled Trials (CENTRAL), PsychINFO, and SPORT DiscusTM databases. Two reviewers independently selected the studies and extracted the results. Study quality was assessed using the PEDro scale and the clinical relevance of each outcome measure was evaluated. RESULTS: Meta-analysis of five randomized controlled trials meeting inclusion criteria was performed. The effectiveness of walking and exercise at short-, mid-, and long-term follow ups appeared statistically similar. Adding walking to exercise did not induce any further statistical improvement, at short-term. CONCLUSIONS: Pain, disability, quality of life and fear-avoidance similarly improve by walking or exercise in chronic low back pain. Walking may be considered as an alternative to other physical activity. Further studies with larger samples, different walking dosages, and different walking types should be conducted. Implications for Rehabilitation Walking is commonly recommended as an activity in chronic low back pain. Pain, disability, and fear-avoidance similarly improve by walking or exercise. Adding walking to exercise does not induce greater improvement in the short-term. Walking may be a less-expensive alternative to physical exercise in chronic low back pain. PMID- 29207886 TI - Quality characteristics of wheat flour dough and bread containing grape pomace flour. AB - Wheat bread was enriched with 6%, 10% and 15% dried and milled grape pomace flour from two grape cultivars: 'Merlot' and 'Zelen'. Rheological, textural, sensory and antioxidant properties of the enriched dough and bread were evaluated, and compared to control samples. Grape cultivar had significant impact on the rheological characteristics of the dough, and on the sensory and antioxidant properties of the final bread. Development time and dough stability were longer when 'Merlot' grape pomace flour was added compared to 'Zelen' grape pomace flour and the control. Grape pomace flour addition affected bread volume, firmness, crumb and crust colour, and odour and taste intensity. Moreover, grape pomace flour addition resulted in a stickier and less springy crumb texture, and some negative sensorial properties, such as increased intensity of aftertaste and sand feeling in the mouth. The phenolic content and antioxidant activity of bread were positively correlated with grape pomace flour addition ( r = 0.987, p = 0.01 and r = 0.941, p = 0.01 between phenolic content and ferric reducing antioxidant power and phenolic content and 2,2-diphenyl-1-picrylhydrazyl, respectively). The highest total phenolic contents were 5.92 mg gallic acid equivalents (GAE)/g dw for 'Merlot' and 3.65 mg gallic acid equivalents /g dw for 'Zelen', which were seen for the bread prepared with the highest grape pomace flour addition (15%). The highest antioxidant activity determined by the 2,2-diphenyl-1-picrylhydrazyl and ferric reducing antioxidant power assays were seen for the bread prepared with the highest 'Merlot' grape pomace flour addition (15%). Dough characteristic and sensory profile are strongly influenced by cultivar of grape pomace flour. Based on results of sensory profiling, the variety 'Zelen' is suggested for use. PMID- 29207887 TI - Burn care and rehabilitation in Australia: health professionals' perspectives. AB - OBJECTIVE: To understand health professionals' perspectives of burn care and rehabilitation. DESIGN: Qualitative and semi-structured interviews. SETTING: Australian burn and rehabilitation units. PARTICIPANTS: Twenty-two clinicians working in burns units across disciplines and healthcare settings. RESULTS: The data portrayed the health professionals' perspectives of burn care and rehabilitation in Australia. Three themes were identified: (1) interprofessional collaboration; (2) integrated community care, and (3) empowering patients to self care. CONCLUSION: Burn care and rehabilitation remains a complex and a challenging area of care with limited access to burn services especially in rural and remote areas. Interprofessional training and education of health professionals involved with the complex care of burn injury remains a key element to support and sustain the long-term rehabilitation requirements for patients and their families. Empowering patients to develop independence early in their rehabilitation is fundamental to their ongoing recovery. A burns model of care that embraces a multidisciplinary collaboration and integrated care across the continuum has the potential to positively impact recovery and improve health outcomes. Implications for rehabilitation Burn care and rehabilitation remains a complex and challenging area of care. Managing the rehabilitation phase after burn injury can be as complex as managing the acute phase. Interprofessional collaboration, integrated community care, and empowering patients to self-care are key elements for sustaining the rehabilitation of adults with burn injuries. PMID- 29207888 TI - Effect of oral supplementation of composite leaf extract of medicinal plants on biomarkers of oxidative stress in induced diabetic Wistar rats. AB - Present study was conducted to evaluate the effect of oral supplementation of composite extract of leaves (CLE) of four medicinal plants; Aegle marmelos, Ocimum sanctum, Murraya koenigii and Azadirachta indica on markers of oxidative stress in brain tissues of alloxan-induced diabetic rats in vivo. Enhanced lipid peroxidation, protein oxidation and reduced antioxidative defence systems were measured in brain tissues of diabetic rats. Supplementation of CLE, once in a day for 35 days significantly (p < .05) protected the peroxidation of lipid, oxidation of protein and ameliorated the antioxidant defence in brain tissue of diabetic rats. It was observed that the insulin-like effect of CLE was dose dependent; higher effect at higher doses. The results of the study suggest that supplementation CLE may provide an overall homeostasis and significant neuro protection through rescuing brain cells from oxidative abuse and accelerating brain antioxidative defence during advanced stage of hyperglycaemia. PMID- 29207889 TI - Primary Carcinosarcoma of the Vagina Associated With Differentiated Squamous Intraepithelial Neoplasia in a Patient With Complete Uterine Prolapse: Case Report and Review of the Literature. AB - Vaginal carcinosarcomas (VCSs) are rare and clinically aggressive neoplasms. Primary vaginal malignancies are among the rarest malignant tumors, so clear management guidelines and optimal therapy, especially in the presence of significant pelvic organ prolapse, has not been determined. Here, we present a case of primary VCS closely associated with differentiated squamous intraepithelial neoplasia (DSIN), from which it appeared to have arisen in a postmenopausal patient with complete uterine prolapse. The unusual presentation of our case with DSIN in the adjacent vaginal epithelium with possible diagnostic pitfalls emphasizes the need for systemic presentation of these cases to help pathologists and clinicians know that such lesions can initially present in a patient with complete uterine prolapse. To our knowledge, this is the first case of vaginal DSIN described in the literature to date. PMID- 29207890 TI - Artificial miRNAs Reduce Human Mutant Huntingtin Throughout the Striatum in a Transgenic Sheep Model of Huntington's Disease. AB - Huntington's disease (HD) is a fatal neurodegenerative disease caused by a genetic expansion of the CAG repeat region in the huntingtin (HTT) gene. Studies in HD mouse models have shown that artificial miRNAs can reduce mutant HTT, but evidence for their effectiveness and safety in larger animals is lacking. HD transgenic sheep express the full-length human HTT with 73 CAG repeats. AAV9 was used to deliver unilaterally to HD sheep striatum an artificial miRNA targeting exon 48 of the human HTT mRNA under control of two alternative promoters: U6 or CbetaA. The treatment reduced human mutant (m) HTT mRNA and protein 50-80% in the striatum at 1 and 6 months post injection. Silencing was detectable in both the caudate and putamen. Levels of endogenous sheep HTT protein were not affected. There was no significant loss of neurons labeled by DARPP32 or NeuN at 6 months after treatment, and Iba1-positive microglia were detected at control levels. It is concluded that safe and effective silencing of human mHTT protein can be achieved and sustained in a large-animal brain by direct delivery of an AAV carrying an artificial miRNA. PMID- 29207891 TI - Reluctance of patients with chronic obstructive pulmonary disease in its early stages and their families to participate in a partnership-based self-management trial: A search for explanation. AB - Recruitment, the process of accessing, screening, selecting and retaining participants for research remains a challenge. In a randomized controlled trial, partnership-based self-management intervention for patients who have chronic obstructive pulmonary disease (COPD) in its initial stages, and their families, a theoretical framework developed for patients with an advanced COPD and their families was modified and implemented in a primary care context. In contrast to recruitment to the original study where 4% decline participation, in this study 25% of the potential patients declined participation. Although participants were encouraged to bring a family member, only 25% of them did so. The main reason for not being accompanied by a family member was that patients did not want anybody accompany them. Those who had quit smoking were more often accompanied by a family member compared to those who smoked. Reviewing the literature, the most compelling explanations for non-participation are shame and self-blame due to smoking, and that potential participants may not have envisioned any benefits from participating since they might not have realized that they had COPD. An alternative recruitment process needs to embrace the situation that potential participants find themselves in and which takes account of the issues at stake. PMID- 29207892 TI - Serum adipokines (adiponectin and resistin) correlation in developing gestational diabetes mellitus: pilot study. AB - Adiponectin and resistin are adipose tissue-derived proteins with antagonistic actions; adiponectin has insulin sensitive properties while resistin is involved in the development of insulin resistance. We analyzed adiponectin and resistin levels in gestational diabetes mellitus (GDM) women to evaluate the association of these adipokines in a very high diabetes prevalence population. An age-matched case-control study of GDM and normal pregnant women in Saudi population. We recruited 90 pregnant women at 24-32 weeks of gestation. Glucose levels (fasting, 1, 2, and 3 h) and lipid parameters (cholesterol, triglyceride, HDL cholesterol, LDL cholesterol) were measured. Serum adiponectin and resistin levels were analyzed using Randox evidence biochip analyzer. Pearson's correlation coefficient was used to determine the association of adiponectin and resistin with GDM risk factors. GDM women showed significantly low adiponectin and high resistin levels when compared with control group. Pearson's correlation analysis of adiponectin and resistin in all the subjects with various GDM risk factors showed a negative association of adiponectin (r = -0.32, p = .05) and a positive correlation of resistin (r = 0.41, p = .01) with LDL cholesterol. This study analyzes adiponectin and resistin levels together, as accumulating evidences shows that these are involved in the pathophysiology of GDM. This is going to help to determine in conjunction with traditional risk factors the incremental value of circulating adiponectin and resistin in developing GDM. PMID- 29207893 TI - A combination of an iron chelator with an antioxidant exerts greater efficacy on cardioprotection than monotherapy in iron-overload thalassemic mice. AB - Many recent studies have shown that antioxidant compounds decrease cardiac oxidative stress, decrease cardiac iron deposition, and improve cardiac dysfunction in iron-overload induced cardiomyopathy in animal models. Interestingly, a therapy including the combination of the iron chelator deferiprone (DFP) plus the antioxidant N-acetylcysteine (NAC) has been shown to significantly decrease oxidative stress and restore heart and brain function in iron-overloaded rats. However, the cardioprotective effects of this combined DFP and NAC treatment in thalassemic mice have not been investigated. We hypothesised that the combination of DFP and NAC exerts better cardioprotection than monotherapy via decreasing cardiac iron accumulation, oxidative stress, and apoptosis in thalassemic mice. The iron-overload condition was induced in heterozygous betaKO HT and wild-type mice by instigating high iron diet consumption (FE) for three months. Then, iron chelator DFP (75 mg/kg/day twice a day), antioxidant NAC (100 mg/kg/day once a day), and combined DFP plus NAC were fed via oral gavage for one month with continuous iron feeding. Left ventricular (LV) function, heart rate variability (HRV), apoptosis, and cardiac iron accumulation were determined. Chronic iron-overload in mice led to increased cardiac iron deposition, oxidative stress, apoptosis, and impaired LV function and HRV. Although DFP and NAC showed similar cardioprotective efficacy, combined DFP plus NAC exerted greater efficacy in reducing both cardiac iron deposition and cellular apoptosis than monotherapy. In conclusion, combined iron chelator and NAC treatment exert the greatest cardioprotective efficacy when compared with either of the monotherapies in iron-overload thalassemic mice. PMID- 29207894 TI - Maternal and neonatal outcomes related to iron supplementation or iron status: a summary of meta-analyses. AB - BACKGROUND: Iron deficiency is the most abundant nutritional deficiency in the world and is discussed to be associated with adverse pregnancy outcomes. The objective of this review was to perform an umbrella summary of meta-analyses to evaluate the effects and associations of iron supplementation or iron status on maternal and birth/neonatal outcomes. METHODS: A literature search was conducted on PubMed and Scopus by two reviewers without temporal restriction. Systematic reviews and meta-analyses of studies evaluating (1) the effects of multimicronutrient compared to iron + folic acid supplementations on maternal and birth/neonatal outcomes (2), the association of dietary iron intake or hemoglobin or ferritin status regarding the risk for maternal (gestational diabetes mellitus (GDM)) and birth/neonatal outcomes, and (3) the effects of iron supplementation on pregnancy and birth/neonatal outcomes, were included in this review. RESULTS: Overall, 16 meta-analyses were included. Multimicronutrient supplements had significant risk reducing effects on low birth weight and small for gestational age compared to iron/folic acid supplements as controls. Furthermore, most of the meta-analyses showed that higher levels of hemoglobin or ferritin increased the risk for GDM. On the other hand, maternal anemia (low hemoglobin levels) was associated with adverse birth/neonatal outcomes. Finally, iron supplementation reduced the risk of iron deficiency and iron deficiency anemia and had some risk reducing effects on low birth weight newborns. CONCLUSIONS: Our summary of meta analyses showed that multimicronutrient supplementation had beneficial effects on some neonatal outcomes. Furthermore, higher ferritin levels seem to increase the risk for GDM whereas maternal anemia was associated with adverse birth/neonatal outcomes. PMID- 29207895 TI - Nonpharmacological management of neonatal abstinence syndrome: a review of the literature. AB - BACKGROUND: Infants with neonatal abstinence syndrome (NAS) experience withdrawal that occurs as a result of termination of placental opioid supply following delivery. Common symptoms include restlessness, tremors, agitation and gastrointestinal disturbances. Severe NAS is often treated using opioids and/or sedatives. Although commonly employed effectively in neonatal care, there is a lack of published information regarding nonpharmacological management of the NAS infant. OBJECTIVE: The purpose of this review was to summarize the current literature on nonpharmacological management of NAS. METHODS: A literature search of Medline and EMBASE was performed for articles published between 2000 and June 2107. RESULTS: Nonpharmacological management encompasses "environmental control", "feeding methods", "social integration", "soothing techniques" and "therapeutic modalities". Several interventions, including: breastfeeding, swaddling, rooming in, environmental control and skin to skin contact have proven to be effective in managing NAS and should be incorporated into standard of care for this population (Level I-III Evidence). These interventions can be effective when offered in combination with pharmacological therapy, or as stand-alone therapy for less severe cases of NAS (Finnegan score <8). CONCLUSIONS: Given the increasing body of evidence on its efficacy and ease of implementation, nonpharmacological treatment should universally be incorporated into standard of care for NAS. PMID- 29207897 TI - Association of the CD11b rs1143679 polymorphism with systemic lupus erythematosus in the Han Chinese population. AB - Objective To investigate the association of the CD11b single nucleotide polymorphism (SNP) rs1143679 with systemic lupus erythematosus (SLE) in Han Chinese patients, and to clarify this association with SLE clinical manifestations. Methods PCR-restriction fragment length polymorphism and direct sequencing of CD11b rs1143679 were conducted in 584 patients with SLE and 628 healthy controls in this case-control study to compare genotype and allele frequency distributions. Correlations between CD11b genotypes and clinical manifestations were also determined. Results The frequency of the CD11b rs1143679 GA genotype was 1.89% in Han Chinese patients with SLE, which was much lower than that of European and American populations, but close to the frequency observed in individuals from Hong Kong and Thailand. The CD11b rs1143679 GA genotype was also shown to confer susceptibility to SLE (odds ratio = 4.00, 95% confidence interval = 1.11-14.41). CD11b rs1143679 was found to be significantly associated with nephritis, but not with age of disease onset, arthritis, hematological involvement, or neural lesions. Conclusion CD11b rs1143679 appears to be associated with risk for SLE in the Han Chinese population, and may play an important role in the development of lupus nephritis. PMID- 29207896 TI - Rho GTPase effectors and NAD metabolism in cancer immune suppression. AB - INTRODUCTION: Sustained proliferative signaling and de-regulated cellular bioenergetics are two of the chief hallmarks of cancer. Alterations in the Ras pathway and its downstream effectors are among the major drivers for uncontrolled cell growth in many cancers. The GTPases are one of the signaling molecules that activate crucial signal transducing pathways downstream of Ras through several effector proteins. The GTPases (GTP bound) interact with several effectors and modulate a number of different biological pathways including those that regulate cytoskeleton, cellular motility, cytokinesis, proliferation, apoptosis, transcription and nuclear signaling. Similarly, the altered glycolytic pathway, the so-called 'Warburg effect', rewires tumor cell metabolism to support the biosynthetic requirements of uncontrolled proliferation. There exists strong evidence for the critical role of the glycolytic pathway's rate limiting enzymes in promoting immunosuppression. Areas covered: We review the emerging roles of GTPase effector proteins particularly the p21 activated kinase 4 (PAK4) and nicotinamide biosynthetic pathway enzyme nicotinamide phosphoribosyltransferase (NAMPT) as signaling molecules in immune surveillance and the immune response. Expert opinion: In this expert opinion article we highlight the recent information on the role of GTPases and the metabolic enzymes on the immune microenvironment and propose some unique immune therapeutic opportunities. PMID- 29207899 TI - Effect of a Mat Pilates Program with TheraBand on Dynamic Balance in Patients with Parkinson's Disease: Feasibility Study and Randomized Controlled Trial. AB - The aim of this study was to assess the effect of a physical exercise program based on Mat Pilates (MP) with TheraBand(r) on the dynamic balance of a sample population diagnosed with Parkinson's disease (PD). After random selection, 26 participants were allocated to a MP group or a control group where they performed calisthenics exercises. Both interventions lasted 12 weeks and involved 2 weekly sessions of 60 minutes. Assessments took place at baseline, 12 weeks after the intervention started and 4 weeks after the intervention was completed using the body mass index (BMI), the Timed Up and Go (TUG) test with Wiva(r) sensors, the 30 Second Chair Stand test, and the Five Times Sit to Stand test. The group that completed the MP program presented significant improvements in BMI (F1,21 = 3.986; p = 0.038), the 30 Second Chair Stand test (F1,21 = 6.716; p = 0.014), the Five Times Sit to Stand test (F1,21 = 5.213; p = 0.032), and the time required to complete the TUG dynamic balance test (F1,21 = 5.035; p = 0.035). The MP program performed by a sample population with PD led to improvements in dynamic balance, and participants in the MP group showed increased strength in the lower limbs, but such improvements were not permanent after the activity ceased. PMID- 29207898 TI - NR3C1 gene polymorphisms are associated with steroid resistance in patients with primary nephrotic syndrome. AB - AIM: The aim of this study was to investigate the role of SNPs of genes involved in the glucocorticoid pathway in the development of steroid resistance in patients with primary nephrotic syndrome. METHODS: Sequenom MassARRAY method was used to sequence 25 SNP genotypes in 154 patients. The frequency distribution of the genotypes was compared between patients with steroid-sensitive nephrotic syndrome and those with steroid-resistant nephrotic syndrome. RESULTS: NR3C1 rs6196 G allele carriers had a decreased risk of steroid resistance compared with that of the A allele carriers. The presence of rs10052957 and rs258751 A alleles could reduce the incidence of steroid resistance compared with that with G allele. Haplotype analysis showed AAG and GGA haplotypes that contain NR3C1 rs10052957, rs258751 and rs6196 were associated with steroid resistance. CONCLUSION: NR3C1 gene polymorphisms are significantly associated with the response to glucocorticoids in patients with primary nephrotic syndrome. PMID- 29207900 TI - In vivo characterization of a new type of biodegradable starch microsphere for transarterial embolization. AB - Transarterial embolization is an established minimally invasive treatment for solid tumors. Unintended inflammation, foreign body reactions and ischemia triggered neoangiogenesis are clinical drawbacks of permanent embolic materials. The aim of the current study was to characterize a new type of biodegradable starch microsphere with regard to angiographic and histopathological features such as patterns of acute arterial occlusion as well as induction of tissue necrosis, microsphere biodegradation, and inflammation and foreign body reactions during follow-up. Key characteristics of both biodegradable prototypes (L1 and L2; prototype groups) were as follows: microspheres are biodegradable by serum alpha-amylase, produced from chemically crosslinked potato starch to different extents, in a diameter range of ~300-800 um, differing in size distribution and featuring a microsphere deformation of ~1%. In vivo transarterial embolization with L1 and L2, while applying clinical standard techniques, was performed and compared with clinically established permanent microspheres (Embosphere(r)500-700 and Embosphere(r)700-900; control groups). Twenty-four pig kidneys were embolized with the different embolic materials by following the study protocol, and there were no technical failures or complications. Parenchymal necrosis with interstitial calcification was observed in all kidneys independent of the type of embolic material used. Compared with the permanent embolic materials, biodegradable microspheres showed complete (L1) or partial (L2) biodegradation within one week after transarterial embolization, and induced a comparable (L1) or a lower (L2) degree of arterial wall necrosis and a lower degree of inflammation and foreign body reactions. In conclusion, the presented new type of biodegradable microsphere is promising, and could be further evaluated in terms of clinical translation. PMID- 29207901 TI - Repeated treatment with the alpha2-adrenoceptor agonist UK-14304 improves cognitive performance in middle-age rats: Role of hippocampal Fas-associated death domain. AB - The cell fate regulator Fas-associated death domain (FADD) balances cell death with non-apoptotic actions via its phosphorylated form. A recent study associated loss of cortical FADD with cognitive decline and increased risk of clinical dementia. Since the activation of cortical alpha2A-adrenoceptors improved memory deficits in various animal models of working memory loss, the present study evaluated whether UK-14304, an alpha2-adrenoceptor agonist known to acutely regulate brain FADD forms, would improve cognitive function in middle-aged rats. Sprague-Dawley rats were treated with UK-14304 (0.3 or 1 mg/kg) or saline (1 mL/kg) for seven days. Cognitive performance was evaluated in the eight-arm radial maze. FADD protein content was measured in the prefrontal cortex and hippocampus by Western blot analysis. The results showed that UK-14304 (1 mg/kg) improved cognitive performance (less time: -310+/-45 s, p=0.025 and fewer errors: -2.75+/-1.06, p=0.043 to complete the maze) and increased FADD selectively in the hippocampus (+35+/-11%, p=0.029). Interestingly, hippocampal FADD content negatively correlated with the time ( r=-0.651, p<0.01) needed to complete the maze. Thus, better cognitive scores were associated with higher FADD hippocampal content. These results support a role for alpha2-adrenoceptors in ameliorating cognition and suggest FADD protein content as a possible correlate for cognitive performance. PMID- 29207903 TI - Professor Klaus Gartner, 1927-2017. PMID- 29207904 TI - Graft-Versus-Host Disease With Early Cytomegalovirus Infection in Gastrointestinal Tract Biopsies. AB - Gastrointestinal (GI) graft-versus-host disease (GVHD) and cytomegalovirus (CMV) infection often simulate each other. However, distinction between GVHD and CMV infection is critical in the management of immunosuppression for transplant recipients. This study retrospectively reviewed 16 patients diagnosed with GVHD from 2010 to 2016 and found 4 cases (25%) coinfected with CMV. Two cases were initially diagnosed as GVHD only but found to have CMV infection by serological testing within 3 days after immunosuppression treatment for GVHD. The remarkable histological feature of CMV infection appeared to be significant acute inflammation in addition to apoptotic epithelial injuries, and particularly in an early stage of CMV replication, acute inflammation is possibly the only detectable feature of CMV infection. PMID- 29207902 TI - Analgesics promote welfare and sustain tumour growth in orthotopic 4T1 and B16 mouse cancer models. AB - Murine orthotopic cancer models often require surgery, potentially causing pain or distress. However, analgesics are often withheld because they may alter tumour development. Two orthotopically implanted cancers were investigated in mice pre treated with meloxicam (10 mg/kg), buprenorphine (0.2 mg/kg) or saline (1 ml/kg). Tumours were imaged and welfare was assessed using body weight, behaviour and nociceptive responses. In study 1, BALB/c mice were inoculated with 4T1 mammary carcinoma or saline during surgery or anaesthesia. As pre-treatment with a single buprenorphine dose appeared beneficial to cancer growth consistency, a second cohort of mice additionally received saline or buprenorphine at 12 and 24 h. Surgery resulted in increased mammary tumour growth and lung metastases. These unwanted effects were lessened by buprenorphine pre-treatment, especially when given repeatedly. Mammary tumour-bearing mice became less active and nociceptive thresholds declined over time, indicating some discomfort as tumours grew. In study 2, C57BL/6 mice received B16 melanoma. This non-surgical model was used to determine whether meloxicam or buprenorphine affected cancer seeding of the lungs. While meloxicam reduced B16 lung seeding, buprenorphine did not. Mechanical thresholds decreased as cancer developed in mice bearing melanoma, but the magnitude of this was insufficient to conclude that there were any significant welfare concerns. This study highlights the scientific value in utilising non-surgical models, where possible. When surgery must be performed at the time of tumour inoculation, the effects of this should be controlled with appropriate analgesics to enhance the value and possibly translation of the research. PMID- 29207905 TI - Incremental Clinical Utility of ADHD Assessment Measures With Latino Families. AB - OBJECTIVE: This study examined the incremental clinical utility of parent and teacher reports of ADHD symptomatology and functional impairment in Latino youth, as well as parent and teacher agreement with the final clinical judgment on a diagnostic structured interview. METHOD: Participants included 70 Latino youth (47 males, 23 females; M age = 8.13 years, SD = 2.51 years) and their parents and teachers; 60 participants were diagnosed with ADHD. Correlations, percent agreement, kappas, and regressions were utilized. RESULTS: Results demonstrated that teachers agreed with the final clinical judgment more often than did parents. Results additionally demonstrated that functional impairment did not statistically significantly improve diagnostic models already including ADHD symptoms; follow-up analyses were run and are discussed. Finally, results demonstrated that teacher reports statistically significantly improved diagnostic models already including parent reports. CONCLUSION: The current findings suggest the importance of including both parent and teacher reports of both ADHD symptomatology and functional impairment when assessing ADHD in Latino youth. PMID- 29207906 TI - Synthetic studies on optically active furofuran and diarylbutane lignans. AB - Lignans are a large class of naturally occurring secondary metabolites which are widely spread within the plant kingdom. Their diverse structures and variety of biological activities have fascinated organic chemists. For synthesizing optically active lignans, we have developed the novel asymmetric dimerization of cinnamic acid derivatives, and applied it to the enantioselective syntheses of furofuran lignans (yangambin, sesamin, eudesmin, caruilignan A) and diarylbutane lignans (sauriols A and B). This review summarizes the methodology of our asymmetric dimerization of cinnamic acid derivatives, and efficient total syntheses of furofuran and diarylbutane lignans reported by our and other groups. PMID- 29207907 TI - Implementation of a Goal-Directed Mechanical Ventilation Order Set Driven by Respiratory Therapists Improves Compliance With Best Practices for Mechanical Ventilation. AB - PURPOSE: Data regarding best practices for ventilator management strategies that improve outcomes in acute respiratory distress syndrome (ARDS) are readily available. However, little is known regarding processes to ensure compliance with these strategies. We developed a goal-directed mechanical ventilation order set that included physician-specified lung-protective ventilation and oxygenation goals to be implemented by respiratory therapists (RTs). We sought as a primary outcome to determine whether an RT-driven order set with predefined oxygenation and ventilation goals could be implemented and associated with improved adherence with best practice. METHODS: We evaluated 1302 patients undergoing invasive mechanical ventilation (1693 separate episodes of invasive mechanical ventilation) prior to and after institution of a standardized, goal-directed mechanical ventilation order set using a controlled before-and-after study design. Patient-specific goals for oxygenation partial pressure of oxygen in arterial blood (Pao2), ARDS Network [Net] positive end-expiratory pressure [PEEP]/fraction of inspired oxygen [Fio2] table use) and ventilation (pH, partial pressure of carbon dioxide) were selected by prescribers and implemented by RTs. RESULTS: Compliance with the new mechanical ventilation order set was high: 88.2% compliance versus 3.8% before implementation of the order set ( P < .001). Adherence to the PEEP/Fio2 table after implementation of the order set was significantly greater (86.0% after vs 82.9% before, P = .02). There was no difference in duration of mechanical ventilation, intensive care unit (ICU) length of stay, and in-hospital or ICU mortality. CONCLUSIONS: A standardized best practice mechanical ventilation order set can be implemented by a multidisciplinary team and is associated with improved compliance to written orders and adherence to the ARDSNet PEEP/Fio2 table. PMID- 29207908 TI - A Scoping Review of Pain in Children after Traumatic Brain Injury: Is There More Than Headache? AB - Headache is a common source of pain in children after traumatic brain injury (TBI); however, relatively little is known about nonheadache pain in this pediatric population. The present review seeks to map the extant literature to determine the prevalence, characteristics, and impact of nonheadache pain in children post-TBI of all severities. We found that of 109 studies published on pain in children after a TBI, 95 (87%) were focused exclusively on headache pain and only 14 (13%) reported on nonheadache pain or overall pain, with half (n = 7) in the form of case studies. Overall, the level of evidence was low, with only three level 1 high-quality prospective studies. In one study, over half (57.1%) of adolescents who experienced persistent pain post-TBI reported pain in multiple body sites (e.g., back, lower limb, and neck).1 For each additional noncephalic pain site, the risk for developing chronic migraine is also increased. Nevertheless, pain in body regions other than the head is often not assessed systematically in pediatric TBI research. Findings of the current review suggest that pain assessment in children post-TBI needs improvement, given that pain is linked to worse recovery, poorer quality of life, and can be long-lasting. More rigorous examination of nonheadache pain and its role in impeding recovery in children post-TBI is imperative and has the potential to improve the care and management of children with TBI. We conclude with recommendations for pain assessment, discuss gaps in the literature, and highlight directions for future research. PMID- 29207909 TI - The Evolving Role of Long-Term Pharmacotherapy for Opioid-Induced Constipation in Patients Being Treated for Noncancer Pain. AB - Nationally, the prescription of opioids for acute and chronic pain is increasing. As opioid use continues to expand and become of increased concern for health-care practitioners, so do the adverse effects and long-term management of those effects. Opioid-induced constipation (OIC) presents a unique challenge because tolerance does not develop to this particular adverse effect, making chronic pain management a delicate balance between relieving pain and preventing long-term adverse effects such as constipation and dependence. Several agents have been developed for the treatment of OIC in patients with chronic noncancer pain on the basis of short-term studies of 12 weeks or less. However, chronic pain management often extends beyond this 12-week boundary, resulting in health-care professionals questioning the safety and efficacy of continued treatment with OIC agents. This review evaluates available literature on long-term treatment of OIC in patients with chronic noncancer pain with lubiprostone, naloxegol, and methylnaltrexone as well as preliminary results of the recently completed naldemedine long-term trial, COMPOSE-3. PMID- 29207910 TI - The Posture of Putting One's Palms Together Modulates Visual Motion Event Perception. AB - We investigated the effect of an observer's hand postures on visual motion perception using the stream/bounce display. When two identical visual objects move across collinear horizontal trajectories toward each other in a two dimensional display, observers perceive them as either streaming or bouncing. In our previous study, we found that when observers put their palms together just below the coincidence point of the two objects, the percentage of bouncing responses increased, mainly depending on the proprioceptive information from their own hands. However, it remains unclear if the tactile or haptic (force) information produced by the postures mostly influences the stream/bounce perception. We solved this problem by changing the tactile and haptic information on the palms of the hands. Experiment 1 showed that the promotion of bouncing perception was observed only when the posture of directly putting one's palms together was used, while there was no effect when a brick was sandwiched between the participant's palms. Experiment 2 demonstrated that the strength of force used when putting the palms together had no effect on increasing bounce perception. Our findings indicate that the hands-induced bounce effect derives from the tactile information produced by the direct contact between both palms. PMID- 29207911 TI - Soybean amplifies the hypohomocysteinemic effect of betaine and improves its hypercholesterolemic effect. AB - We examined whether soybean (SB) and soy protein isolate (SPI) can prevent the betaine-induced elevation of plasma cholesterol as well as maintain the betaine induced reduction of plasma Hcy concentration. Rats were fed casein-, SB-, or SPI based diet with or without betaine; SPI-based diet with betaine containing soybean fiber (SF) or soy lecithin (SL) or the combination of SF and SL. Plasma Hcy concentration was decreased by feeding betaine to rats fed the casein-, SB-, and SPI-based diets. Betaine-induced elevation of plasma cholesterol was decreased by feeding the SB-based diet compared with the casein-based diet, but was not decreased by feeding the SPI-based diet. In rats fed the SPI-based diet, the increased concentration of plasma cholesterol by betaine feeding was not prevented by independent addition of SL or SF, but was prevented by a combination of SL and SF, and was associated with increased fecal excretion of bile acids. PMID- 29207913 TI - Generation of Dopamine-Secreting Cells from Human Adipose Tissue-Derived Stem Cells In Vitro. AB - Several studies have demonstrated the differentiation of human adipose tissue derived stem cells (hADSCs) to neuronal and glial phenotypes, but directing the fate of these cells toward dopaminergic neurons has not been frequently reported. The aim of this study was to investigate dopaminergic specification of hADSCs in vitro. ADSCs were isolated from subcutaneous abdominal adipose tissue and were characterized. For dopaminergic differentiation, a cocktail of sonic hedgehog, fibroblast growth factor 8, basic fibroblast growth factor, and brain-derived neurotrophic factor were used under a low serum condition. As the control group, the ADSCs were cultured under the same low serum condition without the dopaminergic cocktail. At the end of differentiation period, the cells expressed neuron-specific markers, NES, NSE, and NEFL, and dopaminergic markers, EN1, NURR1, PITX3, VMAT2, TH, and GIRK2 genes. TH, NURR1, and EN1 mRNAs were upregulated in the dopaminergic group compared with the control group. NEFL and TH proteins were also expressed in the differentiated cells. A total of 27.9% of the cells differentiated in dopaminergic induction medium showed positive staining for TH protein. Based on reversed-phase high-performance liquid chromatography analysis, the differentiated cells released a significant amount of dopamine in response to KCl-induced depolarization. In conclusion, results of this study indicate that hADSCs can be induced by a growth factor cocktail to produce dopamine secreting cells with possible applications for future cell replacement therapy of Parkinson's disease. PMID- 29207912 TI - Genome-wide scan identifies candidate loci related to remifentanil requirements during laparoscopic-assisted colectomy. AB - AIM: Opioids are widely used as effective analgesics, but opioid sensitivity is well known to vary widely among individuals. We explored the genetic factors that contribute to individual differences in intraoperative opioid sensitivity by performing a genome-wide association study. PATIENTS & METHODS: We conducted a multistage genome-wide association study in subjects who underwent laparoscopic assisted colectomy. RESULTS: A nonsynonymous SNP, rs199670311, within the TMEM8A gene region and intronic SNPs, including rs4839603, within the SLC9A9 gene region were significantly associated with intraoperative opioid requirements (p = 3.409 * 10-8 in the dominant model for rs199670311; p = 4.162 * 10-6 and p = 4.229 * 10 6 in the additive and recessive models, respectively, for rs4839603). The A and T alleles of the rs199670311 and rs4839603 SNPs, respectively, were associated with lower opioid sensitivity in patients. CONCLUSION: Our findings provide valuable information for personalized pain treatment during laparoscopic-assisted colectomy. PMID- 29207914 TI - Exploring School Nurse Interventions and Health and Education Outcomes: An Integrative Review. AB - School nurses intervene with students, parents, and school staff to advance the health and academic success of students. We conducted an integrative literature review of published research to describe the types of school nurse interventions and health and education outcome measures and to examine how school nurse interventions were linked to student outcomes. Sixty-five studies met the inclusion criteria. We used the National Association of School Nurses' Framework for 21st Century School Nursing Practice to categorize school nurse interventions and health and education outcome measures. The majority of interventions were categorized under the care coordination principle, most commonly, motivational interviewing and counseling. In 17 studies, school nurse interventions were linked to improved student outcomes. Most studies (80%) were descriptive. To advance school nursing science, researchers can build on this foundation with more rigorous research methods to evaluate the impact of school nurse interventions and activities on student health and education outcomes. PMID- 29207915 TI - First synthesis of (S)-(+)-hymenoic acid, a DNA polymerase lambda inhibitor isolated from Hymenochaetaceae sp. AB - Hymenoic acid, isolated from cultures of the fungus, Hymenochaetaceae sp., is a specific inhibitor of DNA polymerase lambda. The first synthesis of (S)-(+) hymenoic acid was achieved by starting from trans-1,4-cyclohexanedimethanol and methyl (R)-(-)-3-hydroxyisobutyrate, and Julia-Kocienski olefination was employed as the key step. PMID- 29207916 TI - Flavonoid glycosides in Malabar spinach Basella alba inhibit the growth of Spodoptera litura larvae. AB - Basella alba is a perennial plant of the Basellaceae and is known by various common names including Malabar spinach. There are few insects that cause damage to B. alba. In this study, we examined the effect of B. alba leaves on the growth of Spodoptera litura larvae. B. alba leaves and a methanolic extract of the leaves inhibited the growth of S. litura larvae. Half of the larvae reared on the leaves died within 1 week. We found that two flavonoids, vitexin, and vitexin-2" O-arabinofuranoside, were abundant in the methanol extract of leaves. When larvae were reared on purified vitexin or vitexin-2"-O-arabinofuranoside, their growth was significantly impaired compared with larvae reared on control spinach leaves. These results suggested that the flavonoid glycosides in B. alba leaves act as deterrents to S. litura larvae. PMID- 29207917 TI - Functional Effects of SNPs in MYH9 and Risks of Nonsyndromic Orofacial Clefts. AB - Nonsyndromic orofacial clefts (NSOCs) are congenital newborn malformations. Myosin heavy chain 9 ( MYH9) is a candidate gene of NSOCs. To investigate the associations between single-nucleotide polymorphisms (SNPs) of MYH9 and NSOC susceptibility, a 2-stage case-control study was designed and 4 potentially functional SNPs of MYH9 (rs12107, rs2269529, rs9619601, rs5756130) were selected and genotyped by iPLEX Sequenom MassARRAY and TaqMan assay in the first stage (599 NSOC cases and 590 controls). The significant SNPs in the first stage were replicated in the second stage (676 NSOC cases and 705 controls) by TaqMan assay. Reverse transcription polymerase chain reaction, cell transfection, and luciferase assay were performed accordingly to explore their functionality. In stage I, rs12107 was nominally associated with NSOCs, whereas rs2269529 showed a significant association (rs12107: Phet = 0.028; rs2269529: Phet = 0.001). In stage II, rs12107 was nominally associated with NSOCs, and rs2269529 showed a significant association (rs12107: Phom = 0.014; rs2269529: Phet = 0.006). In combined stages, these 2 SNPs gained significant associations (rs12107: Pdom = 0.004; rs2269529: Pdom = 4.4 * 10-5). In subphenotype analysis, these 2 SNPs were associated with cleft lip only (CLO) and cleft lip with palate (CLP), and rs2269529 was also associated with cleft palate only (CPO). Haplotype analysis revealed associations between rs12107-G/rs2269529-T and NSOC susceptibility ( P = 0.011). Combined analysis of rs12107 and rs2269529 indicated the risk of NSOCs increased with the number of risk alleles (rs12107-G and rs2269529-T, P for trend = 0.008). MYH9 SNP rs12107 AG + GG and rs2269529 CT + TT were associated with higher MYH9 expression in lip tissues compared with their corresponding wild-type homozygote. For rs12107, higher luciferase activities of G allele than A allele were observed in the luciferase assay. MYH9 was downregulated when transfecting its putative binding target miR-196b-3p into human embryo plate mesenchyme (HEPM) and C2C12 cell lines. For rs2269529, C > T contributed to increased MYH9 messenger RNA. In conclusion, rs12107 and rs2269529 were associated with the expression of MYH9 and contributed to the susceptibility of NSOCs. PMID- 29207918 TI - Intake of green-plant membrane with dietary oil suppresses postprandial hypertriglyceridemia in rats via promoting excretion of bile acids. AB - Green-plant membrane is a phytonutrient present in green leafy vegetables at high concentration. Postprandial increases in blood triglyceride levels result in insulin resistance and type 2 diabetes. Additionally, dietary life and eating order also affect postprandial hypertriglyceridemia. In this study, the effects of once-daily intake of green-plant membrane with dietary oil on postprandial hypertriglyceridemia were investigated in vitro and in vivo. In vitro, green plant membrane bound hydrophobic bile acids but did not inhibit pancreatic lipase activity. Following the administration, green-plant membrane with dietary oil in rats, oral fat tolerance tests, increases in serum triglycerides levels were significantly reduced. Moreover, fecal total lipid and bile acid volumes were significantly increased in rats that administered 200 mg/mL green-plant membrane. These results suggest that green-plant membrane with dietary oil inhibits dietary fat absorption via promotion of bile acid excretion in feces and the effectiveness of eating green-plant membrane, such as green leafy vegetables, with meals. PMID- 29207919 TI - Enhancement of natural killer activity and IFN-gamma production in an IL-12 dependent manner by a Brassica rapa L. AB - Certain food components possess immunomodulatory effects. The aim of this study was to elucidate the mechanism of the immunostimulatory activity of Brassica rapa L. We demonstrated an enhancement of natural killer (NK) activity and interferon (IFN)-gamma production in mice that were orally administered an insoluble fraction of B. rapa L. The insoluble fraction of B. rapa L. significantly induced IFN-gamma production in mouse spleen cells in an interleukin (IL)-12-dependent manner, and NK1.1+ cells were the main cells responsible for producing IFN-gamma. Additionally, the results suggested that the active compounds in the insoluble fraction were recognized by Toll-like receptor (TLR) 2, TLR4, and C-type lectin receptors on dendritic cells, and they activated signaling cascades such as MAPK, NF-kappaB, and Syk. These findings suggest that B. rapa L. is a potentially promising immuno-improving material, and it might be useful for preventing immunological disorders such as infections and cancers by activating innate immunity. PMID- 29207920 TI - Endoscopic ultrasound guided versus surgical transrectal drainage of pelvic abscesses. AB - BACKGROUND: Pelvic abscesses are common but only small case series reporting outcome of either endoscopic ultrasound (EUS) guided or surgical transrectal drainage have been reported. METHODS: We performed a retrospective consecutive cohort study, assessing effectivity and safety of EUS guided or surgical transrectal drainage of previously untreated pelvic abscesses from all causes, diagnosed using CT scan between 09/2010 and 06/2014 in a Dutch teaching hospital. RESULTS: Forty-six patients with comparable demographics, apart from stoma presence (p = .016), were included. The success rate after a single intervention was 83% in the EUS guided compared to 48% in the surgical transrectal drainage group (p = .013). However, the mean duration of drainage was threefold in the EUS group [42 versus 13 days (p = .001)]. The length of stay in hospital was similar for both EUS and surgical group [24 versus 20 days (p = .56)] as was abscess resolution during follow-up [78% versus 74%]. We recorded a total of 12 anastomotic leaks [3 versus 9]. In the occurrence of leakage, only one stoma was finally closed in each group. CONCLUSION: EUS guided and surgical transrectal drainage of pelvic abscesses from any cause are safe, nonetheless EUS guided drainage(if feasible) seems more effective after a single treatment, with high overall cure rates. PMID- 29207922 TI - Effect of steady-state methadone on high fructose corn syrup consumption in rats. AB - Patients undergoing methadone maintenance treatment self-report enhanced preferences for, and excessive consumption of, foods rich in sugar. However, it is unclear whether these are direct pharmacological effects of methadone or the consequences of metabolic dysfunctions induced by addiction to illicit opiates. Hence, the current study in drug-naive male Sprague-Dawley rats explored the effects of steady-state methadone delivered by osmotic mini-pumps (13 days; 0, 10, 30 mg/kg/day) on consumption of rat chow and a palatable, sweet, liquid high fructose corn syrup solution. Six days after the removal of the pumps, mRNA expression of genes involved in responses to stress and rewards were quantified: pro-opiomelanocortin in the hypothalamus, mu-opioid receptor in the nucleus accumbens, and dopamine D2 receptor in the dorsal striatum. Taste reactivity and locomotion tests were also performed throughout the study. It was found that methadone increased caloric intake from high fructose corn syrup and reduced caloric intake from chow, effects that could not be directly ascribed to changes in high fructose corn syrup taste reactivity or motor functions. However, the changes in caloric intake displayed significant tolerance, and mRNA expression analysis suggested that methadone attenuated the effect of high fructose corn syrup on pro-opiomelanocortin mRNA, and possibly on dopamine D2 receptor mRNA. These findings in rats suggest that the pharmacological effect of methadone, administered to achieve steady-state maintenance, may not be the primary cause of dietary alterations reported by patients maintained on methadone. PMID- 29207921 TI - Allyl isothiocyanate increases carbohydrate oxidation through enhancing insulin secretion by TRPV1. AB - The transient receptor potential (TRP) V1 is a cation channel belonging to the TRP channel family and it has been reported to be involved in energy metabolism, especially glucose metabolism. While, we have previously shown that intragastric administration of allyl isothiocyanate (AITC) enhanced glucose metabolism via TRPV1, the underlying mechanism has not been elucidated. In this study, we examined the relationship between insulin secretion and the increase in carbohydrate oxidation due to AITC. Intragastric administration of AITC elevated blood insulin levels in mice and AITC directly enhanced insulin secretion from isolated islets. These observations were not reproduced in TRPV1 knockout mice. Furthermore, AITC did not increase carbohydrate oxidation in streptozotocin treated mice. These results suggest that intragastric administration of AITC could induce insulin secretion from islets via TRPV1 and that enhancement of insulin secretion was related to the increased carbohydrate oxidation due to AITC. PMID- 29207923 TI - Isogloiosiphone B, a novel acetal, and hydrophobic compounds as beta glucuronidase inhibitors derived from the red alga Neodilsea yendoana. AB - A novel acetal named isogloiosiphone B was isolated from the red alga Neodilsea yendoana, along with three known hydrophobic compounds as beta-glucuronidase inhibitors. The acetal was determined as a naturally occurring compound from the extraction experiments with several kinds of solvent. The acetal showed the highest inhibition against beta-glucuronidase among the compounds examined. PMID- 29207924 TI - Speckle Tracking in Transcranial Ultrasound Allows Noninvasive Analysis of Pulsation Patterns of the Third Ventricle. AB - Cerebrospinal fluid (CSF) flow is sensitive to many cerebral disorders. We aimed to develop a noninvasive bedside method to detect physiological and pathological CSF phenomena by measuring pulsation patterns of the third ventricle. By transcranial B-mode ultrasound, electrocardiography (ECG)-gated video loops of the third ventricle were acquired. "Speckle tracking" software was used to quantify the relative change of its width. We conducted measurements of nine cardiac cycles in 11 healthy subjects in sitting and in supine position during Valsalva maneuver to investigate the influence of an increased intracranial pressure on the relative deformation of the third ventricle. In one patient with occlusive hydrocephalus, 19 cardiac cycles were measured in sitting position before and after removal of a tumorous obstruction of the aqueduct of Sylvius. Healthy subjects expressed a pulse-related increased width of the third ventricle ([Formula: see text]: +5.69, 95% confidence interval [CI] = [4.38, 7.00]). No significant difference was found between the sitting and the supine position in healthy adults. In the preoperative state of occlusive hydrocephalus, we found a negative, pulse-related deformation ([Formula: see text]: -1.86, 95% CI = [-2.15, -1.58]) with delayed onset. After surgery, the deformation pattern resembled that of our healthy controls. The difference between pre- and postoperative condition was significant (p < 0.001). Transcranial B-mode sonography can be used to record small movements of the sidewalls of the third ventricle. This noninvasive bedside method is suitable to assess CSF pulsatility within the third ventricle and might be able to distinguish between physiological and pathological flows. PMID- 29207925 TI - Quantifying emergency department crowding: comparison between two scores. AB - INTRODUCTION: Emergency department (ED) crowding is a major international concern with a negative impact on both patient care and providers. Currently, there is no consensus regarding measure of crowding. Therefore, emergency physicians have to choose between numerous scoring systems, from simple to more complex. The aim of the present study was to compare the complex National Emergency Department Overcrowding Scale (NEDOCS) with the simple ED Occupancy rate (OR) determination. We further evaluated the correlation between these scores and a qualitative assessment of crowding. METHOD: This study was conducted in two academic and one regional hospital in Liege Province, in Belgium; each accounting for an ED census of over 40,000 patient visits per year. Crowding measures were sampled four times a day, over a two-week period, in January 2016. RESULTS: ED staff considered overcrowding as a major concern in the three ED. Median OR ranged from 68 to 100, while NEDOCS ranged from 64.5 to 76.3. A significant correlation was found in each ED between the OR and the NEDOCS (Pearson r = 0.973, 0.974 and 0.972), as well as between the OR, the NEDOCS and the subjective evaluation by the ED staff (p = 0.001). CONCLUSION: Crowding evaluation in ED requires validated scores. Our study in three different hospitals demonstrates that simple OR appeared as accurate as more sophisticated NEDOCS. Furthermore, this measure is perfectly correlated with the feeling of ED staff. PMID- 29207926 TI - Nature-derived epigallocatechin gallate/duck's feet collagen/hydroxyapatite composite sponges for enhanced bone tissue regeneration. AB - Scaffolds mimicking structural and chemical characteristics of the native bone tissues are critical for bone tissue engineering. Herein, we have developed and characterized epigallocatechin gallate/duck's feet collagen/hydroxyapatite (EGCG/DC/HAp) composite sponges that enhanced the bone tissue regeneration. The three-dimensional composite sponges were synthesized by loading various amounts (i.e. 1, 5 and 10 MUM) of EGCG to duck feet derived collagen followed by freeze drying and then coating with hydroxyapatite. Several measuremental techniques were employed to examine the properties of the as-fabricated composite sponges including morphology and structure, porosity, compressive strength, etc. and as well compared with pristine duck feet derived collagen. SEM observations of EGCG/DC/HAp sponges showed the formation of a highly porous collagen matrix with EGCG embodiment. The porosity and pore size of sponges were found to increase by high EGCG content. The compressive strength was calculated as 3.54 +/- 0.04, 3.63 +/- 0.03, 3.89 +/- 0.05, 4.047 +/- 0.05 MPa for 1, 5 and 10 MUM EGCG/DC/HAp sponges, respectively. Osteoblast-like cell (BMSCs isolated from rabbit) culture and in vivo experiments with EGCG/DC/HAp sponges implanted in nude mouse followed by histological staining showed enhanced cell internalization and attachment, cell proliferation, alkaline phosphatase expressions, indicating that EGCG/DC/HAp sponges have ahigh biocompatibility. Moreover, highEGCG content in the EGCG/DC/HAp sponges have led to increased cellular behavior. Collectively, the 5 MUM of EGCG/DC/HAp sponges were suggested as the potential candidates for bone tissue regeneration. PMID- 29207927 TI - Welcome to the 13th Volume of Nanomedicine. PMID- 29207928 TI - Occupational gender composition and mild to severe depression in a Swedish cohort: The impact of psychosocial work factors. AB - AIMS: The aim of the present study was to investigate associations between occupational gender composition, psychosocial work factors and mild to severe depression in Swedish women and men with various educational backgrounds. METHODS: The study included 5560 participants from two waves of the Swedish Longitudinal Occupational Survey of Health, an approximately representative sample of the Swedish working population. Odds ratios (OR) and 95% confidence intervals of mild to severe depression in 2014 were estimated for five strata of occupational gender composition with >20-40%, >40-60%, >60-80% and >80-100% women, using 0-20% women as the reference. Analyses were stratified by gender and education. Job strain, organisational injustice, poor social support and effort reward imbalance in 2012 were added in separate models, and changes in OR of mild to severe depression for strata of occupational gender composition were evaluated. RESULTS: Among women, the odds of mild to severe depression did not vary by occupational gender composition. Among men with low to intermediate education, the odds were higher in the stratum with >80-100% women, and among men with high education, the odds were higher in strata with >20-40% and >60-80% women. Psychosocial work factors affected the odds ratios of mild to severe depression, but most of the variation remained unexplained. CONCLUSIONS: Odds of mild to severe depression appeared to vary by occupational gender composition among Swedish men but not women. This variation seemed only to a small extent to be explained by psychosocial work factors. PMID- 29207929 TI - A nationwide Danish survey on the use of green spaces by people with mobility disabilities. AB - BACKGROUND: There is increasing awareness of the importance and health benefits of living near green spaces. Research usually focuses on the general population's use of green spaces and there has been little focus on the use of green spaces by specific groups, such as people with mobility disabilities. This represents a significant knowledge gap with regard to facilitating access to healthy green environments by all population groups. This study aims to provide knowledge of the use of green spaces by people with mobility disabilities. METHODS: The study was based on data from the Danish Health and Morbidity Survey in 2005. The study participants consisted of 11,238 adult Danes, 383 of whom reported mobility disabilities, meaning that they were dependent on assistive devices for walking or moving around. Multiple logistic regression analysis was used to investigate the association between mobility disability and use of green spaces. RESULTS: The results show that respondents who reported mobility disabilities visited green spaces less often than respondents without mobility disabilities. The severity of the mobility disability was associated with the frequency of visits. Frequency of visits was also related to the respondents' health-related quality of life status. CONCLUSIONS: These results highlight the need for further research into the constraints faced by people with mobility disabilities with regard to visiting green spaces. PMID- 29207930 TI - The rise and fall of an opt-out system. AB - INTRODUCTION: In Denmark, citizens participate in register-based research without the possibility of opting out. However, in 1995 it was made possible for Danish citizens to register an opt-out called 'researcher protection' [ forskerbeskyttelse], which implied that researchers could not contact people to invite them to participate in research projects, such as clinical trials or questionnaries, based on their registrations in national registers. Data already registered could still be used for research. In 2014, this possibility of opt-out was revoked by law. AIMS: The aims of this paper are to understand how the Danish researcher protection system came about, why it was terminated and what we can we learn from this example. METHODS: We conducted a descriptive analysis of a copy of the former researcher protection register along with policies and media debate surrounding the rise and revocation of the researcher protection system. RESULTS: Our results show how both the inception and the abolishment of researcher protection appear to be ad hoc and without specified criteria of success. An examination of the recorded entries in the researcher protection registry could have led to changes in its administration as an alternative to its total abolition. CONCLUSIONS: In future opt-out systems, there should be focus on monitoring register practices and the purpose and criteria for evaluation must be defined prior to implementation. PMID- 29207931 TI - Drug-related deaths: Statistics based on death certificates miss one-third of cases. AB - AIMS: Statistics on drug-related deaths (DRD) provide crucial information on the drug situation. The European Monitoring Centre for Drug and Drug Addiction (EMCDDA) has published a specification for extracting DRD from national mortality registers to be used in international comparisons. However, surprisingly little is known of the accuracy of DRD statistics derived from national mortality registers. This study assesses the accuracy of Swedish data derived from national mortality registers by comparing it with other sources of data. METHODS: We compared five Swedish datasets. Three were derived from national mortality registers, two according to a Swedish specification and one according to the EMCDDA specification. A fourth dataset was based on toxicological analyses. We used a fifth dataset, an inventory of DRD in Stockholm, to assess the completeness and coverage of the Swedish datasets. RESULTS: All datasets were extracted from high-quality registers, but still did not capture all DRD, and both the numbers and demographic characteristics varied considerably. However, the time trends were consistent between the selections. In international comparisons, data completeness and investigation procedures may impact even more on stated numbers. CONCLUSIONS: Basing international comparisons on numbers or rates of DRDs gives misleading results, but comparing trends is still meaningful. PMID- 29207932 TI - Contact with primary and mental health care prior to suicide: A systematic review of the literature from 2000 to 2017. AB - AIM: To examine rates of contact with primary and mental health care prior to suicide in men and women and across a range of age categories. METHOD: The authors performed a systematic review of 44 studies from 2000 to 2017 of which 36 reported rates on contact with primary health care and 14 reported on contact with mental health care prior to suicide. RESULTS: Contact with primary health care was highest in the year prior to suicide with an average contact rate of 80%. At one month, the average rate was 44%. The lifetime contact rate for mental health care was 57%, and 31% in the final 12 months. In general, women and those over 50 years of age had the highest rates of contact with health care prior to suicide. CONCLUSIONS: Contact with primary health care prior to suicide is common even in the final month before death. The findings presented in this study highlight the importance of placing suicide prevention strategies and interventions within the primary health care setting. PMID- 29207933 TI - Prognostic factors for in-hospital mortality of patients hospitalized for acutely decompensated heart failure. AB - Objectives Despite improved treatment during last 20 years, prognosis for patients hospitalized for acutely decompensated heart failure (ADHF) is poor and mortality rates reported for these patients are high. Laboratory results can assist clinicians in evaluation and triaging of patients on hospital admission, and are important for the medical decision-making and prognosis assessments. Recently, new guidelines for the diagnosis and treatment of acute and chronic HF patients were published introducing a new group of patients with mid-range left ventricular ejection fraction (LVEF). Methods In order to explore the prognostic value for the in-hospital mortality of ADHF patients we analyzed laboratory test results for 165 emergency hospitalized patients regarding the survival and LVEF. Results In-hospital mortality was 16%. Patients who died were older than survivals (p = 0.003). There were no differences in LVEF between survivals and non-survivals. Patients who survived had significantly lower N-terminal pro-B type natriuretic peptide (NT-proBNP), high-sensitivity cardiac troponin T (hs cTnT), uric acid, urea, creatinine, and red blood cell distribution width (RDW) than patients who died (p < 0.001). All these tests had a good discrimination power between survivals and non-survivals (p < 0.001), but their incremental addition to NT-proBNP didn't improve its overall prognostic value. There was only a very weak correlation between NT-proBNP concentrations and LVEF. Groups with different LVEF status showed significant difference in number of erythrocytes, RDW and hemoglobin concentrations. Conclusions NT-proBNP had the best discriminatory power between survivals and non-survivals. Some routine laboratory test results, like RDW, uric acid, urea, and creatinine, have potentially significant value. PMID- 29207934 TI - Incidence of skeletal related events in patients with bone metastasis receiving denosumab every four weeks compared to intervals greater than every four weeks. AB - Objective Denosumab is a monoclonal antibody used for prevention of skeletal related events in patients with bone metastasis from solid tumors and is administered every four weeks. In our practice, denosumab is often given at different frequencies more similar to patient's chemotherapy regimens to decrease frequency of clinic visits. The purpose of this study is to compare the incidence of skeletal related events, incidence of hypocalcemia, and cost with denosumab given at every four weeks and denosumab given at other frequencies. Methods This retrospective study at Duke University Health System included solid tumor patients with an age >=18 years who received denosumab for prevention of skeletal related events. Results A total of 94 patients were included, with 29 in the every four-week group and 65 in the greater than every four-week group. Patients who received denosumab every four weeks had a 41.4% incidence of skeletal related events compared to 26.2% incidence of skeletal related events in patients who received denosumab at intervals greater than every four weeks (OR: 0.50; p = 0.14). There was no statistically significant difference in incidence of hypocalcemia. Based on average wholesale price, when the frequency of denosumab is extended to greater than every four weeks, annual cost savings per patient ranged from $4700 (every 5 weeks) to $18,800 (every 12 weeks). Conclusion While this study raises the possibility of decreasing the frequency of denosumab administration, further data are necessary to confirm that less frequent administration is non-inferior to every four-week administration. PMID- 29207935 TI - Cardiac birth defects in a twin infant born to a woman with chronic myeloid leukemia on dasatinib. AB - Preclinical animal studies have demonstrated an association between maternal use of tyrosine kinase inhibitors and embryofetal toxicity; yet, multiple clinical case series have reported normal pregnancy outcomes and healthy infants in women on these medications during the course of their pregnancy. We describe a case of a woman with chronic myeloid leukemia who had taken the second-generation tyrosine kinase inhibitor dasatinib during the first 12 weeks of her dichorionic diamniotic twin pregnancy and subsequently delivered two low-birth weight infants, one with severe cardiac malformations and the other without apparent birth abnormalities. To our knowledge, this is the first reported case of fetal cardiovascular defects in an infant born to a woman on dasatinib during a twin pregnancy and supports current recommendations to avoid this medication during pregnancy. We also review relevant preclinical and clinical studies of tyrosine kinase inhibitor use during pregnancy and explore alternative therapeutic options for patients with chronic myeloid leukemia during pregnancy to aid clinicians in the appropriate management of these patients so as to minimize both maternal and fetal risks. PMID- 29207936 TI - Fatal graft-versus-host disease after allogeneic stem cell transplantation in a patient recently exposed to nivolumab. AB - Allogeneic hematopoietic stem cell transplantation and checkpoint blockade therapy are immune-based salvage therapies for Hodgkin's lymphoma; however, the use of programmed death 1 blocking agents in the allogeneic stem cell transplantation setting could augment the incidence of steroid refractory graft versus-host disease. Few studies suggest that that nivolumab is safe in patients previously treated with an allogeneic stem cell transplantation. Likewise, there are very limited data on the use of nivolumab before allogeneic stem cell transplantation. Here, we report a case of fatal graft-versus-host disease in a patient who underwent allogeneic stem cell transplantation 26 days after the last administration of nivolumab. Careful monitoring and close clinical assessment of atypical presentation for graft-versus-host disease in these patients, interval of time from nivolumab administration to allogeneic stem cell transplantation, drug dosage adjustments or more effective allo prophilaxys should been evaluated in prospective clinical trial. PMID- 29207937 TI - A retrospective analysis of clinical acuity markers on hospital length of stay in patients with febrile neutropenia. AB - Objective The primary objective of this study was to identify factors that have predictive value in determining total hospital length of stay in patients with febrile neutropenia, particularly time to first antibiotic dose. Methods This study was a retrospective chart review analyzing patients admitted to a 443 bed tertiary county teaching hospital from 1 November 2010 through 1 November 2015. Patients were eligible for enrollment into the study if they met Infectious Diseases Society of America accepted criteria for febrile neutropenia. Results Ninety-three patients were included for analysis. Time to first antibiotic dose, first empirically appropriate antibiotic dose, and time to first isolate appropriate antibiotic did not show a significant correlation to total hospital length of stay (p = 0.71, p = 0.342, and p = 0.77, respectively). Subject's Multinational Association for Supportive Care in Cancer and Simplified Acute Physiology II scores were significantly correlated with hospital lengths of stay (p = 0.0052, rs = -0.243 and p = 0.0001, rs = 0.344, respectively). Higher median (interquartile ranges) Simplified Acute Physiology II scores were also associated with hospital mortality [dead = 46 (34.8-51.7) vs. alive = 34 (28-43.3), p = 0.0173]. Conclusions Measures of patient acuity, such as the Multinational Association for Supportive Care in Cancer and Simplified Acute Physiology II scores, did show a correlation to clinical outcomes in patients with febrile neutropenia. Timing of initial antibiotics between 2.32 and 6.27 hours after presentation in patients with febrile neutropenia did not correlate with clinical outcomes. PMID- 29207938 TI - Characterization of collaborative practice agreements held by hematopoietic stem cell transplant pharmacists. AB - Background Current workforce shortages within the hematopoietic stem cell transplant field necessitate capitalizing on the role of oncology-trained pharmacists. Working within an agreed-upon protocol, pharmacists are able to expand patient care delivery through optimal medication therapy management. Methods An electronic survey was developed by the Advocacy & Policy Working Committee of the American Society for Blood and Marrow Transplantation Pharmacy Special Interest Group and distributed to pharmacists involved in the care of hematopoietic stem cell transplant patients. The primary objective was to assess the current state of collaborative practice agreements in the hematopoietic stem cell transplant setting. Results Forty-eight responses representing 41 institutions were returned. Respondents were mostly female (67%) and practiced in the adult setting (83%). Reponses represented a range of practice experience in hematopoietic stem cell transplant with the majority of the hematopoietic stem cell transplant positions (83%) funded by the department of pharmacy at an academic medical center. Of the 48 responses, 22 (46%) respondents reported having collaborative practice agreements in place; 10 (21%) respondents did not currently have collaborative practice agreements, but were planning to implement them; and 16 (33%) respondents did not have collaborative practice agreements at their institution. Clinical activities performed under a collaborative practice agreement included medication selection and dosing modifications, therapeutic drug monitoring, supportive care management, and management of comorbid conditions and chronic diseases. The most commonly cited barrier to establishing collaborative practice agreements was the inability to secure reimbursement for services provided. No respondents reported a negative impact on job satisfaction. Conclusions The results of this survey provide the pharmacy community with a robust understanding of the current landscape of hematopoietic stem cell transplant pharmacy collaborative practice agreements. PMID- 29207939 TI - Tocilizumab for the management of immune mediated adverse events secondary to PD 1 blockade. AB - Background Immune checkpoint inhibitors are poised to revolutionize the management of a growing number of malignancies. Unfortunately, the management of steroid-refractory immune mediated adverse events is based on a paucity of randomized data and limited to single center experiences. Our initial experience with the IL-6 receptor antagonist tocilizumab showed clinical improvement in a wide variety of irAEs. As a result, we adopted the use of tocilizumab for the management of steroid refractory irAEs. Methods The character and clinical course of irAEs were abstracted from the medical record and analyzed. The dose of tocilizumab was 4 mg/kg given IV over one hour. C-reactive protein was drawn at first nivolumab infusion and at q two weeks (and with irAEs) thereafter. Clinical improvement was defined as either: documentation of resolution of symptoms or hospital discharge within seven days. Results Of the initial 87 patients that were treated with nivolumab, 34 required tocilizumab (39.1%). All patients were on corticosteroids. The majority (88.2%) were lung cancer patients. The index grade 3/4 irAE was pneumonitis in 35.3%, serum sickness/SIRS in 35.3%, cerebritis in 14.7% and one case each of hypophysitis, colitis, pancreatitis, hepatitis and immune mediated coagulopathy. Median time between first nivolumab and initiation of tocilizumab was 76 days (range 1-429). There was a statistically significant increase in C-reactive protein from a median of 23 mg/L (range 0.1-238.5) at baseline to 109.3 mg/L (21.5-350.4) at the time of index irAE, followed by a decrease to 19.2 mg/L (0.25-149) after tocilizumab ( p < 0.00001). Clinical improvement was noted in 27/34 patients (79.4%). Some patients (52.9%) required a single dose, while 38.2% required two, 8.8% required three and 1 patient required four doses. Twenty-seven doses were given in the inpatient setting (49.1%). Median time to discharge was four days (range 1-27). Seventy-four percent of patients were discharged home. For the 53 doses of tocilizumab that were delivered when infliximab was an option, there was a cost savings of $141,048.72 (WAC) during the 18 month study period. Conclusions Tocilizumab may be a therapeutic option for the management of steroid refractory irAEs secondary to immune checkpoint blockade. However, randomized trials are needed to better elucidate the relative efficacy and safety of these agents. PMID- 29207940 TI - Time trend of clinical cases of Lyme disease in two hospitals in Belgium, 2000 2013. AB - BACKGROUND: As several studies indicated an increase in Lyme disease (LD), notably in neighbouring countries, concerns have arisen regarding the evolution of Lyme disease in Belgium. In order to confirm or infirm the increase of LD in Belgium, we focused on hospital admissions of patients diagnosed with LD between 2000 and 2013 based on hospital admission databases from two hospitals in Belgium. METHODS: Hospital databases are a stable recording system. We did a retrospective analysis of the medical files of patients hospitalized with Lyme disease in two Belgian hospitals between 2000 and 2013. RESULTS: The annual number of cases of LD for the two studied Belgian hospitals remained stable between 2000 and 2013, ranging from 1 for the Cliniques universitaires Saint-Luc to 15 for the the Clinique Saint-Pierre. No increasing trend were noted in the estimated annual incidence rate but the average estimated annual incidence rate was higher for the hospital Saint-Pierre (8.1 +/- 3.7 per 100,000 inhabitants) than Saint-Luc (2.2 +/- 1.5 per 100,000 inhabitants). The number of hospital cases of LD peaked between June and November. CONCLUSIONS: Based on hospital admissions with LD, no increasing trend was observed for the period 2000-2013 in the two studied Belgian hospitals. This is in line with other studies carried out in Belgium. PMID- 29207941 TI - Uneven acute non-alcoholic fatty change of the liver after percutaneous transhepatic portal vein embolization in a patient with hilar cholangiocarcinoma a case report. AB - BACKGROUND: Portal vein embolization is essential for patients with biliary cancer who undergo extended hepatectomy to induce hypertrophy of the future remnant liver. Over 830 patients have undergone the portal vein embolization at our institution since 1990. Non-alcoholic fatty liver disease is an entity of hepatic disease characterized by fat deposition in hepatocytes. It has a higher prevalence among persons with morbid obesity, type 2 diabetes, and hyperlipidemia. Neither the mechanism of hepatic hypertrophy after portal vein embolization nor the pathophysiology of non-alcoholic fatty liver disease has been fully elucidated. Some researchers integrated the evident insults leading to progression of fatty liver disease into the multiple-hit hypothesis. Among these recognized insults, the change of hemodynamic status of the liver was never mentioned. CASE PRESENTATION: We present the case of a woman with perihilar cholangiocarcinoma who received endoscopic biliary drainage and presented to our institute for surgical consultation. A left trisectionectomy with caudate lobectomy and extrahepatic bile duct resection was indicated for curative treatment. To safely undergo left trisectionectomy, she underwent selective portal vein embolization of the liver, in which uneven acute fatty change subsequently developed. The undrained left medial sector of the liver with dilated biliary tracts was spared the fatty change. The patient underwent planned surgery without any major complications 6 weeks after the event and has since resumed a normal life. The discrepancies in fatty deposition in the different sectors of the liver were confirmed by pathologic interpretations. CONCLUSION: This is the first report of acute fatty change of the liver after portal vein embolization. The sparing of the undrained medial sector is unique and extraordinary. The images and pathologic interpretations presented in this report may inspire further research on how the change of hepatic total inflow after portal vein embolization can be one of the insults leading to non-alcoholic fatty liver disease/ change. PMID- 29207942 TI - A reconstruction of sexual modes throughout animal evolution. AB - BACKGROUND: Although most extant animals have separate sexes, simultaneous hermaphrodites can be found in lineages throughout the animal kingdom. However, the sexual modes of key ancestral nodes including the last common ancestor (LCA) of all animals remain unclear. Without these data, it is difficult to infer the reproductive-state transitions that occurred early in animal evolution, and thus a broad understanding of the evolution of animal reproduction remains elusive. In this study, we use a composite phylogeny from four previously published studies, two alternative topologies (ctenophores or sponges as sister to the rest of animals), and multiple phylogenetic approaches to conduct the most extensive analysis to date of the evolution of animal sexual modes. RESULTS: Our analyses clarify the sexual mode of many ancestral animal nodes and allow for sound inferences of modal transitions that have occurred in animal history. Our results also indicate that the transition from separate sexes to hermaphroditism has been more common in animal history than the reverse. CONCLUSIONS: These results provide the most complete view of the evolution of animal sexual modes to date and provide a framework for future inquiries into the correlation of these transitions with genes, behaviors, and physiology. These results also suggest that mutations promoting hermaphroditism have historically been more likely to invade gonochoristic populations than vice versa. PMID- 29207943 TI - Auxiliary diagnostic potential of ventricle geometry and late gadolinium enhancement in left ventricular non-compaction; non-randomized case control study. AB - BACKGROUND: There are still ambiguities existing in regard to left ventricular non-compaction (LVNC) diagnostic imaging. The aim of our study was to analyze diagnostic potential of late gadolinium enhancement (LGE) and ventricle geometry in patients with LVNC and controls. METHODS: Data on cardiac magnetic resonance imaging (CMR) studies for LVNC were reassessed from the hospital's database (3.75 years; n=1975 exams). Matching sample of controls included cases with no structural heart disease, hypertrophic or dilative cardiomyopathy, arrhythmogenic right ventricular dysplasia or subacute myocarditis. Eccentricity of the left ventricle was measured at end diastole in the region with pronounced NC and maximal to minimal ratio (MaxMinEDDR) was calculated. RESULTS: Study included 255 patients referred for CMR, 100 (39.2%) with LVNC (prevalence in the studied period 5.01%) and 155 (60.8%) controls. Existing LGE had sensitivity of 52.5% (95%-CI:42.3-62.5), specificity of 80.4% (95%-CI:73.2-86.5) for LVNC, area under curve (AUC) 0.664 (95%-CI:0.603-0.722);p<0.001. MaxMinEDDR>1.10 had sensitivity of 95.0% (95%-CI:88.7-98.4), specificity of 82.6% (95%-CI: 75.7-88.2) for LVNC, AUC 0.917 (95%-CI:0.876-0.948); p<0.001. LGE correlated with Max-Min-EDD-R (Rho=0.130; p=0.038) and there was significant difference in ROC analysis DeltaAUC0.244 (95%-CI:0.175-0.314); p<0.001. LGE also correlated negatively with stroke volume and systolic function (both p<0.05, respectively). CONCLUSIONS: LGE was found to be frequently expressed in patients with LVNC, but without sufficient power to be used as a discriminative diagnostic parameter. Both LGE and eccentricity of the left ventricle were found to be relatively solid diagnostic landmarks of complex infrastructural and functional changes within the failing heart. PMID- 29207944 TI - Incidence of breast cancer in Chinese women exposed to the 1959-1961 great Chinese famine. AB - BACKGROUND: The association of malnutrition in early life with breast cancer risk has been studied in Europe by investigating survivors of the Dutch Hunger Winter Famine, but not in China. We evaluated the effect of exposure to the 1959-1961 Great Leap Forward famine on subsequent breast cancer risk in Chinese women. METHODS: A total of 59,060 women born in 1955~1966 were recruited from Minhang district, Shanghai, China, during the period 2008 to 2012. A baseline survey was conducted to collect demographic characteristics and known risk factors for breast cancer. Incident breast cancers were identified by conducting record linkage with the Shanghai Cancer Registry up to June 30, 2015, and confirmed through medical records. Cumulative probabilities of cancer incidence were evaluated after adjusting for age, educational level and other confounders. Cox regression models were applied to estimate the hazard ratios (HR) and 95% confidence intervals (CI) of breast cancer. RESULTS: The overall crude incidence of in situ and invasive breast cancer were 19.2 and 115.0 per 100,000, respectively, in women conceived or born during the famine (1959-1962), slightly higher than those in women born before (1955-1958) (13.2 and 109.8/100,000) and after (1963-1966) (10.4 and 101.5/100,000). Particularly, at age group of 50-52 years when all participants contributed person-year of observations, the age specific incidence of invasive breast cancer was higher in pre-natal exposed women (123.7/100,000, 95%CI: 94.5-161.9/100,000) than in post-natal exposed (109.6/100,000, 95%CI: 69.1-174.0/100,000) and unexposed women (82.7/100,000, 95%CI: 46.9-145.7/100,000). However, the incidence of cancer in situ was slightly lower in pre-natal exposed women at the age group. Adjusted cumulative probabilities of breast cancer incidence, both in-situ and invasive, were also observed to be higher in women exposed to the famine, however, the difference was not statistically significant. CONCLUSION: Our results suggest a possible adverse, but limited, impact of exposure to the Great famine on the risk of breast cancer in Chinese women. PMID- 29207945 TI - Meningococcal arthritis and myopericarditis: a case report. AB - BACKGROUND: We report the first adult case of Neisseria meningitidis W-135 presenting with meningococcal arthritis and myopericarditis concomitantly, without other classical features of meningococcal disease. CASE PRESENTATION: A 67-year-old Caucasian man presented with acute-onset polyarthralgia, myalgia, and fever. On examination he had polyarticular synovitis. An electrocardiogram (ECG) demonstrated ST-elevation in leads I, II, III, aVF, and V2-V6 without reciprocal depression, and a high-sensitivity troponin level was significantly elevated. Cardiac magnetic resonance (CMR) imaging on day five of admission demonstrated patchy pericardial enhancement. Neisseria meningitidis W-135 was isolated from both synovial fluid and blood cultures. The clinical outcome was favourable with intravenous ceftriaxone and myopericarditis treatment (colchicine and ibuprofen). CONCLUSIONS: We conclude that this is a rare case of disseminated Neisseria meningitidis W-135 presenting with acute polyarticular septic arthritis and myopericarditis, without other classical features of systemic meningococcal disease. The earlier described entity of primary meningococcal arthritis (PMA) can present in patients with meningococcal bacteraemia, and may not be distinct from disseminated meningococcal disease, but rather an atypical presentation of this. PMID- 29207946 TI - Achieved systolic blood pressure in older people: a systematic review and meta analysis. AB - BACKGROUND: It remains unclear into which level the systolic blood pressure (SBP) should be lowered in order to provide the best cardiovascular protection among older people. Hypertension guidelines recommendation on attaining SBP levels <150 mmHg in this population is currently based on experts' opinion. To clarify this issue, we systematically reviewed and quantified available evidence on the impact of achieving different SBP levels <150 mmHg on various adverse outcomes in subjects aged >=60 years old receiving antihypertensive drug treatment. METHODS: We searched 8 databases to identify randomized controlled trials (RCTs) and post hoc analyses or subanalyses of RCTs reporting the effects of attaining different SBP levels <150 mmHg on the risk of stroke, acute myocardial infarction, heart failure, cardiovascular mortality and all-cause mortality in participants aged >=60 years. We performed random-effects meta-analyses stratified by study design. RESULTS: Eleven studies (> 33,600 participants) were included. Compared with attaining SBP levels >=140 mmHg, levels of 130 to <140 mmHg were not associated with lower risk of outcomes in the meta-analysis of RCTs, whereas there was an associated reduction of cardiovascular mortality (RR 0.72, 95% CI 0.59-0.88) and all-cause mortality (RR 0.86, 95% CI 0.75-0.99) in the meta-analysis of post-hoc analyses or subanalyses of RCTs. Limited and conflicting data were available for the SBP levels of <130 mmHg and 140 to <150 mmHg. CONCLUSIONS: Among older people, there is suggestive evidence that achieving SBP levels of 130 to <140 mmHg is associated with lower risks of cardiovascular and all-cause mortality. Future trials are required to confirm these findings and to provide additional evidence regarding the <130 and 140 to <150 mmHg SBP levels. PMID- 29207947 TI - Modeling heterogeneous (co)variances from adjacent-SNP groups improves genomic prediction for milk protein composition traits. AB - BACKGROUND: Accurate genomic prediction requires a large reference population, which is problematic for traits that are expensive to measure. Traits related to milk protein composition are not routinely recorded due to costly procedures and are considered to be controlled by a few quantitative trait loci of large effect. The amount of variation explained may vary between regions leading to heterogeneous (co)variance patterns across the genome. Genomic prediction models that can efficiently take such heterogeneity of (co)variances into account can result in improved prediction reliability. In this study, we developed and implemented novel univariate and bivariate Bayesian prediction models, based on estimates of heterogeneous (co)variances for genome segments (BayesAS). Available data consisted of milk protein composition traits measured on cows and de regressed proofs of total protein yield derived for bulls. Single-nucleotide polymorphisms (SNPs), from 50K SNP arrays, were grouped into non-overlapping genome segments. A segment was defined as one SNP, or a group of 50, 100, or 200 adjacent SNPs, or one chromosome, or the whole genome. Traditional univariate and bivariate genomic best linear unbiased prediction (GBLUP) models were also run for comparison. Reliabilities were calculated through a resampling strategy and using deterministic formula. RESULTS: BayesAS models improved prediction reliability for most of the traits compared to GBLUP models and this gain depended on segment size and genetic architecture of the traits. The gain in prediction reliability was especially marked for the protein composition traits beta-CN, kappa-CN and beta-LG, for which prediction reliabilities were improved by 49 percentage points on average using the MT-BayesAS model with a 100-SNP segment size compared to the bivariate GBLUP. Prediction reliabilities were highest with the BayesAS model that uses a 100-SNP segment size. The bivariate versions of our BayesAS models resulted in extra gains of up to 6% in prediction reliability compared to the univariate versions. CONCLUSIONS: Substantial improvement in prediction reliability was possible for most of the traits related to milk protein composition using our novel BayesAS models. Grouping adjacent SNPs into segments provided enhanced information to estimate parameters and allowing the segments to have different (co)variances helped disentangle heterogeneous (co)variances across the genome. PMID- 29207948 TI - Homozygous GRID2 missense mutation predicts a shift in the D-serine binding domain of GluD2 in a case with generalized brain atrophy and unusual clinical features. AB - BACKGROUND: Spinocerebellar ataxias comprise a large and heterogeneous group of disorders that may present with isolated ataxia, or ataxia in combination with other neurologic or non-neurologic symptoms. Monoallelic or biallelic GRID2 mutations were recently reported in rare cases with cerebellar syndrome and variable degree of ataxia, ocular symptoms, hypotonia and developmental delay. CASE PRESENTATION: We report on a consanguineous family with autosomal recessive childhood onset of slowly progressive cerebellar ataxia and delayed psychomotor development in three siblings. MRI of an adult and affected family member revealed slightly widened cerebral and cerebellar sulci, suggesting generalized brain atrophy, and mild cerebellar atrophy. Using whole exome sequencing we identified a novel homozygous missense variant [c.2128C > T, p.(Arg710Trp)] in GRID2 that segregates with the disease. The missense variant is located in a conserved region encoding the extracellular serine-binding domain of the GluD2 protein and predicts a change in conformation of the protein. CONCLUSION: The widespread supratentorial brain abnormalities, absence of oculomotor symptoms, increased peripheral muscle tone and the novel missense mutation add to the clinical and genetic variability in GRID2 associated cerebellar syndrome. The neuroradiological findings in our family indicate a generalized neurodegenerative process to be taken into account in other families segregating complex clinical features and GRID2 mutations. PMID- 29207949 TI - Comparative analysis of avian poxvirus genomes, including a novel poxvirus from lesser flamingos (Phoenicopterus minor), highlights the lack of conservation of the central region. AB - BACKGROUND: Avian poxviruses are important pathogens of both wild and domestic birds. To date, seven isolates from subclades A and B and one from proposed subclade E, have had their genomes completely sequenced. The genomes of these isolates have been shown to exhibit typical poxvirus genome characteristics with conserved central regions and more variable terminal regions. Infection with avian poxviruses (APVs) has been reported in three species of captive flamingo, as well as a free-living, lesser flamingo at Kamfers dam, near Kimberley, South Africa. This study was undertaken to further characterise this virus which may have long term effects on this important and vulnerable, breeding population. RESULTS: Gene content and synteny as well as percentage identities between conserved orthologues was compared between Flamingopox virus (FGPV) and the other sequenced APV genomes. Dotplot comparisons revealed major differences in central regions that have been thought to be conserved. Further analysis revealed five regions of difference, of differing lengths, spread across the central, conserved regions of the various genomes. Although individual gene identities at the nucleotide level did not vary greatly, gene content and synteny between isolates/species at these identified regions were more divergent than expected. CONCLUSION: Basic comparative genomics revealed the expected similarities in genome architecture but an in depth, comparative, analysis showed all avian poxvirus genomes to differ from other poxvirus genomes in fundamental and unexpected ways. The reasons for these large genomic rearrangements in regions of the genome that were thought to be relatively conserved are yet to be elucidated. Sequencing and analysis of further avian poxvirus genomes will help characterise this complex genus of poxviruses. PMID- 29207950 TI - Persistent hematuria in patients with antineutrophil cytoplasmic antibody associated vasculitis during clinical remission: chronic glomerular lesion or low grade active renal vasculitis? AB - BACKGROUND: Whether persistent hematuria in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) during clinical remission reflects active disease or chronic glomerular injury is uncertain. This study aimed to investigate the significance of persistent hematuria during clinical remission in a large cohort of AAV patients. METHODS: A cohort of 219 AAV patients in complete clinical remission after induction therapy at our center was retrospectively studied, and their clinical and laboratory data as well as long term outcomes were analyzed. RESULTS: A total of 80 out of 219 patients had persistent hematuria during clinical remission of AAV. Compared with patients without hematuria during remission, the slope of eGFR decline in patients with persistent hematuria was significantly higher during the long-term follow-up [3.6 (IQR 1.2, 7.2) vs. 1.5 (IQR 0.2, 4.0) mL/min/1.73 m2/year, P < 0.001]. Among the 80 patients with persistent hematuria during remission, there was little difference between those with fast and slow decline of eGFR, as divided by either median or interquartile range of the slope of eGFR decline. We also compared patients without hematuria who had a slope of eGFR decline that was lower than the median level of the slope of eGFR decline with those with persistent hematuria, and found that patients with hematuria had significantly lower levels of CRP and ESR at baseline and higher levels of ANCA at remission. CONCLUSIONS: Among the AAV patients who achieved clinical remission after immunosuppressive therapy, those with persistent hematuria are not rare and may reflect either chronic renal damage or low-grade active renal disease. PMID- 29207951 TI - Downstream mediators of Ten-m3 signalling in the developing visual pathway. AB - BACKGROUND: The formation of visuotopically-aligned projections in the brain is required for the generation of functional binocular circuits. The mechanisms which underlie this process are unknown. Ten-m3 is expressed in a broad high ventral to low-dorsal gradient across the retina and in topographically corresponding gradients in primary visual centres. Deletion of Ten-m3 causes profound disruption of binocular visual alignment and function. Surprisingly, one of the most apparent neuroanatomical changes-dramatic mismapping of ipsilateral, but not contralateral, retinal axons along the representation of the nasotemporal retinal axis-does not correlate well with Ten-m3's expression pattern, raising questions regarding mechanism. The aim of this study was to further our understanding of the molecular interactions which enable the formation of functional binocular visual circuits. METHODS: Anterograde tracing, gene expression studies and protein pull-down experiments were performed. Statistical significance was tested using a Kolmogorov-Smirnov test, pairwise-fixed random reallocation tests and univariate ANOVAs. RESULTS: We show that the ipsilateral retinal axons in Ten-m3 knockout mice are mismapped as a consequence of early axonal guidance defects. The aberrant invasion of the ventral-most region of the dorsal lateral geniculate nucleus by ipsilateral retinal axons in Ten-m3 knockouts suggested changes in the expression of other axonal guidance molecules, particularly members of the EphA-ephrinA family. We identified a consistent down regulation of EphA7, but none of the other EphA-ephrinA genes tested, as well as an up-regulation of ipsilateral-determinants Zic2 and EphB1 in visual structures. We also found that Zic2 binds specifically to the intracellular domain of Ten-m3 in vitro. CONCLUSION: Our findings suggest that Zic2, EphB1 and EphA7 molecules may work as effectors of Ten-m3 signalling, acting together to enable the wiring of functional binocular visual circuits. PMID- 29207952 TI - Economic burden of preemptive treatment of CMV infection after allogeneic stem cell transplantation: a retrospective study of 208 consecutive patients. AB - BACKGROUND: Cytomegalovirus (CMV) infection and disease (CMV episodes) are global concerns after allogeneic hematopoietic stem cell transplantation (HSCT). They affect survival, both by direct and indirect effects. Due to safety issues of current anti-CMV antivirals, long-term CMV prophylaxis is poorly tolerated and the most common strategy to decrease the incidence of CMV disease is preemptive. New, less toxic, molecules are currently being assessed for CMV prophylaxis which should replace or considerably decrease the preemptive approach. The aim of this study was to assess the economic burden of CMV episodes after HSCT with a preemptive approach. METHODS: We analyzed data from 208 consecutive adults transplanted in our institution, between 2008 and 2013. Hospital resource utilization was retrieved via the linked hospital admissions and Diagnostic Related Groups for the period of conditioning to 12 months after transplant. RESULTS: CMV episodes occurred in 70 patients (34%) over the first 12 months following HSCT, after a mean of 75 days (median: 46 (7-334)). The mean total length of stay was significantly associated with the occurrence of a CMV episode (113.9 vs. 87.5 days, p = 0.0002) but was associated neither with the pre transplant CMV serology of donors/recipients nor with survival. The mean cost of transplant was ?104,016 (SD = ?37,281) after 12 months. Bivariate and multivariate analyses indicated that the occurrence of >1 CMV episode increased the costs of allogeneic HSCT by 25-30% (p < 0.0001). CONCLUSION: Our study, which is the largest, single-institution cost study of allogeneic HSCT in Europe, shows that two or more CMV episodes significantly increased the transplant cost. New prophylactic strategies to prevent CMV infection and disease should decrease transplant costs. PMID- 29207953 TI - Genomic signature of highland adaptation in fish: a case study in Tibetan Schizothoracinae species. AB - BACKGROUND: Genome-wide studies on highland adaptation mechanism in terrestrial animal have been widely reported with few available for aquatic animals. Tibetan Schizothoracinae species are ideal model systems to study speciation and adaptation of fish. The Schizothoracine fish, Gymnocypris przewalskii ganzihonensis had underwent the ecological niche shift from salt water to freshwater, and also experienced a recent split from Gymnocypris przewalskii przewalskii. In addition, G. p. ganzihonensis inhabited harsh aquatic environment including low temperature and hypoxia as well as other Schizothoracinae species, its genetic mechanism of highland adaptation have yet to be determined. RESULTS: Our study used comparative genomic analysis based on the transcriptomic data of G. p. ganzihonensis and other four fish genome datasets to investigate the genetic basis of highland adaptation in Schizothoracine fish. We found that Schizothoracine fish lineage on the terminal branch had an elevated dN/dS ratio than its ancestral branch. A total of 202 gene ontology (GO) categories involved into transport, energy metabolism and immune response had accelerated evolutionary rates than zebrafish. Interestingly, we also identified 162 genes showing signature of positive selection (PSG) involved into energy metabolism, transport and immune response in G. p. ganzihonesis. While, we failed to find any PSG related to hypoxia response as previous studies. CONCLUSIONS: Comparative genomic analysis based on G. p. ganzihonensis transcriptome data revealed significant genomic signature of accelerated evolution ongoing within Tibetan Schizothoracinae species lineage. Molecular evolution analysis suggested that genes involved in energy metabolism, transport and immune response functions in Schizothoracine fish underwent positive selection, especially in innate immunity including toll-like receptor signaling pathway genes. Taken together, our result as a case study in Schizothoracinae species provides novel insights in understanding the aquatic animal adaptation to extreme environment on the Tibetan Plateau, and also provides valuable genomic resource for further functional verification studies. PMID- 29207954 TI - The Turkish validation of the Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) battery. AB - BACKGROUND: Cognitive impairment may be seen in as many as 43-70% of patients with multiple sclerosis (MS) and may be observed in all MS subtypes. The Brief International Cognitive Assessment in Multiple Sclerosis (BICAMS) battery may be used to evaluate cognition status. The purpose of the current study is to validate the BICAMS battery in Turkish. METHODS: Patients with MS attending our clinic between September 2014 and April 2015 were invited to participate. Healthy control participants were matched in terms of age, gender and years of education. RESULTS: One hundred seventy-three MS patients and 153 healthy control participants were enrolled in the study. MS patients performed significantly worse in all trials than the members of the healthy control group. In addition, cognitive dysfunction was identified in 78 of the 173 (45.1%) patients. In the MS with cognitive impairment group, 64 out of 151 (42.4%) subjects were RRMS patients, 12 out of 18 (66.7%) were secondary progressive MS patients, and 2 out of 4 (50%) were primer progressive MS patients. CONCLUSIONS: The BICAMS has been proposed for assessing cognitive impairment in MS patients. This study shows that the battery is suitable for use in Turkey. PMID- 29207955 TI - Classification schemes for knowledge translation interventions: a practical resource for researchers. AB - BACKGROUND: As implementation science advances, the number of interventions to promote the translation of evidence into healthcare, health systems, or health policy is growing. Accordingly, classification schemes for these knowledge translation (KT) interventions have emerged. A recent scoping review identified 51 classification schemes of KT interventions to integrate evidence into healthcare practice; however, the review did not evaluate the quality of the classification schemes or provide detailed information to assist researchers in selecting a scheme for their context and purpose. This study aimed to further examine and assess the quality of these classification schemes of KT interventions, and provide information to aid researchers when selecting a classification scheme. METHODS: We abstracted the following information from each of the original 51 classification scheme articles: authors' objectives; purpose of the scheme and field of application; socioecologic level (individual, organizational, community, system); adaptability (broad versus specific); target group (patients, providers, policy-makers), intent (policy, education, practice), and purpose (dissemination versus implementation). Two reviewers independently evaluated the methodological quality of the development of each classification scheme using an adapted version of the AGREE II tool. Based on these assessments, two independent reviewers reached consensus about whether to recommend each scheme for researcher use, or not. RESULTS: Of the 51 original classification schemes, we excluded seven that were not specific classification schemes, not accessible or duplicates. Of the remaining 44 classification schemes, nine were not recommended. Of the 35 recommended classification schemes, ten focused on behaviour change and six focused on population health. Many schemes (n = 29) addressed practice considerations. Fewer schemes addressed educational or policy objectives. Twenty-five classification schemes had broad applicability, six were specific, and four had elements of both. Twenty-three schemes targeted health providers, nine targeted both patients and providers and one targeted policy makers. Most classification schemes were intended for implementation rather than dissemination. CONCLUSIONS: Thirty-five classification schemes of KT interventions were developed and reported with sufficient rigour to be recommended for use by researchers interested in KT in healthcare. Our additional categorization and quality analysis will aid in selecting suitable classification schemes for research initiatives in the field of implementation science. PMID- 29207956 TI - A microsatellite diversity analysis and the development of core-set germplasm in a large hulless barley (Hordeum vulgare L.) collection. AB - BACKGROUND: Clarifying genetic diversity in a large germplasm resource plays important roles in experimental designs that provides flexible utility in fundamental research and breeding in crops. However, the work is limited due to small collections of barley that are insufficient representatives. RESULTS: In the present study, we collected 562 hulless barley (Hordeum vulgare L.) accessions with worldwide geographic origins and evaluated their genetic variability and relatedness based on 93 simple sequence repeat (SSR) markers. In an integrated analysis of the population structure, analysis of molecular variance (AMOVA) and pairwise F ST, the 562 barley accessions exhibited a strong stratification that allowed for them to be divided into two major subpopulations (p1 and p2) and an admixture subpopulation, with 93, 408 and 61 accessions, respectively. In a neutral test, considerable proportions of SSR alleles expressed the strong non-neutrality in specific subpopulations (44 and 37), which are probably responsible for population differentiation. To reduce the diversity redundancy in large barley collections, we delicately selected a core set of 200 barley accessions as a tradeoff between diversity and representativeness in an easily handled population. In comparing the 562 barley accessions, the core barley set accounted for 96.2% of allelic diversity and 93% to 95% of phenotypic variability, whereas it exhibited a significant enhancement in minor allelic frequencies, which probably benefit association mapping in the barley core set. CONCLUSIONS: The results provided additional insight into the genetic structure in a large barley germplasm resource, from which an easily manageable barley core set was identified, demonstrating the great potential for discovering key QTLs and ultimately facilitating barley breeding progress. PMID- 29207957 TI - Placenta response of inflammation and oxidative stress in low-risk term childbirth: the implication of delivery mode. AB - BACKGROUND: Caesarean delivery rate is increasing gradually in China and there is no doubt that delivery mode is closely associated with the maternal health and infant development.This study examined the independent effect of delivery mode on placenta inflammation response and oxidative stress response. METHODS: A total of 3474 pregnant women recruited in Ma'anshan Birth Cohort Study were the initial study population. Data on maternal socio-demographic characteristics and pre pregnancy BMI were collected at their 1st antenatal checkups. Pregnancy-specific anxiety was assessed during the three trimesters of pregnancy. Common pregnant complications were monitored in the whole pregnancy period. Delivery modes, as well as newborn characteristics were abstracted from medical records. Delivery modes included vaginal deliveries (VD), caesarean delivery with medical indications (CDMI), caesarean delivery on maternal request (CDMR) and urgent cesarean delivery (UCD). Placentas were collected during childbirth. The mRNA expression of IL-1beta, TNF-a, IL-6, IFN-gamma, IL-4, IL-10, IL-8, and HO-1 were assessed in the final sample of 1978 low-risk women with singleton term-births. RESULTS: The overall rate of caesarean delivery (CD) was 50.5% (1650/3265) in singleton term childbirths in this study. Among women who reported definite CD reasons, 56.8%of them chose the surgery without any medical indications.It shows a non-linear relationship between cytokines related with placenta inflammatory response, oxidative stress response and different delivery modes. At high percentiles of IL-1beta, IFN-gamma and IL-8, women with CDMR had higher expression levels compared to women with VD. Women with CDMI had higher levels at median percentiles of IL-1beta, IFN-gamma and IL-8. Women with CDMR had higher expression compared with VD at high percentiles of IL-6 and HO-1, and women with CDMI had higher levels of these two cytokines at their low percentiles. It is worth noting that at high percentiles, compared with normal delivery, the expression of IL-1beta, IFN-gamma, IL-8 and HO-1 have significantly altered in women with CDMR. CONCLUSION: A high overall CD rate was found in this study, and caesarean delivery on maternal request was the major contributor to the high prevalence. Maternal placental oxidative stress and inflammatory response were closely associated with delivery mode. The effect is much amplified at high levels of expression in women who chose CD on maternal request.Such difference needs to be noticed and may have important implications for obstetricians, midwives and other perinatal health care workers. PMID- 29207958 TI - Bloodstream infections at a tertiary level paediatric hospital in South Africa. AB - BACKGROUND: Bloodstream infection (BSI) in children causes significant morbidity and mortality. There are few studies describing the epidemiology of BSI in South African children. METHODS: A retrospective descriptive cohort study was conducted at a paediatric referral hospital in Cape Town, South Africa. The National Health Laboratory Service (NHLS) microbiology database was accessed to identify positive blood culture specimens during the period 2011-2012. Demographic and clinical details, antimicrobial management and patient outcome information were extracted from medical and laboratory records. Antibiotic susceptibility results of identified organisms were obtained from the NHLS database. RESULTS: Of the 693 unique bacterial and fungal BSI episodes identified during the study period, 248 (35.8%) were community-acquired (CA), 371 (53.5%) hospital-acquired (HA) and 74 (10.7%) healthcare-associated (HCA). The overall risk was 6.7 BSI episodes per 1000 admissions. Escherichia coli, Staphylococcus aureus and Streptococcus pneumoniae were the most frequent causes of CA-BSI and Klebsiella pneumoniae, Acinetobacter baumanii and S.aureus were most commonly isolated in HA-BSI. On multivariable analysis, severe underweight, severe anaemia at the time of BSI, admission in the ICU at the time of BSI, and requiring ICU admission after BSI was diagnosed were significantly associated with 14-day mortality. CONCLUSION: This study adds to the limited literature describing BSI in children in Africa. Further studies are required to understand the impact that BSI has on the paediatric population in sub-Saharan Africa. PMID- 29207959 TI - Insulin-like growth factor receptor and sphingosine kinase are prognostic and therapeutic targets in breast cancer. AB - BACKGROUND: Targeting the type 1 insulin-like growth factor receptor (IGF1R) in breast cancer remains an ongoing clinical challenge. Oncogenic IGF1R-signaling occurs via activation of PI3K/AKT/MAPK downstream mediators which regulate cell proliferation and protein synthesis. To further understand IGF1R signaling we have investigated the involvement of the oncogenic IGF1R-related sphingosine kinase (SphK) pathway. METHODS: The prognostic (overall survival, OS) and therapeutic (anti-endocrine therapy) co-contribution of IGF1R and SphK1 were investigated using breast cancer patient samples (n = 236) for immunohistochemistry to measure total and phosphorylated IGF1R and SphK1. Kaplan Meier and correlation analyses were performed to determine the contribution of high versus low IGF1R and/or SphK1 expression to OS in patients treated with anti endocrine therapy. Cell viability and colony formation in vitro studies were completed using estrogen receptor (ER) positive and negative breast cancer cell lines to determine the benefit of IGF1R inhibitor (OSI-906) and SphK inhibitor (SKI-II) co-therapy. Repeated measures and 1-way ANOVA were performed to compare drug treatments groups and the Chou-Talalay combination index (CI) was calculated to estimate drug synergism in vitro (CI < 1). RESULTS: High IGF1R and SphK1 protein co-expression in tumor tissue was associated with improved OS specifically in ER-positive disease and stratified for anti-endocrine therapy. A significant synergistic inhibition of cell viability and/or colony formation following OSI-906 and SKI-II co-treatment in vitro was evident (p < 0.05, CI < 1). CONCLUSION: We conclude that high IGF1R and SphK1 co-expression act together as prognostic indicators and are potentially, dual therapeutic targets for the development of a more effective IGF1R-directed combination breast cancer therapy. PMID- 29207960 TI - Decreased expression of the beta2 integrin on tumor cells is associated with a reduction in liver metastasis of colorectal cancer in mice. AB - BACKGROUND: Lymphocyte Function-Associated Antigen-1 (LFA-1; CD18/CD11a) is one of the main adhesion molecules used by immune cells to infiltrate the liver under inflammatory conditions. Recently, the expression of this integrin has also been reported on several solid tumors, including colorectal cancer. However, its functional role in the metastatic progression to the liver remains unknown. Using in vitro assays and an experimental orthotopic in vivo model of liver metastasis, we aimed to elucidate the role of tumor LFA-1 in the metastatic progression by means of the partial depletion of the beta2 subunit of LFA-1, required for integrin activation, firm adhesion and signaling. METHODS: To do so, we evaluated the effects of beta2 reduction on the murine colon carcinoma C26 cell line on their pro-metastatic features in vitro and their metastatic potential in vivo in a mouse model of colon carcinoma metastasis to the liver. RESULTS: The reduction in beta2 integrin expression correlated with a slower proliferation, and a reduced adhesion and migration of C26 cells in an in vitro setting. Additionally, tumor cells with a reduced in beta2 integrin expression were unable to activate the liver sinusoidal endothelial cells (LSECs). This resulted in a recovery of the cytotoxic potential of liver lymphocytes which is compromised by LSECs activated by C26 cells. This was related to the abrogation of RNA expression of inflammatory and angiogenic cytokines by C26 cells after their activation with sICAM-1, the main ligand of beta2alphaL. Furthermore, in vivo tumor cell retention and metastasis were profoundly reduced, along with a decrease in the recruitment and infiltration of myeloid derived suppressor cells (MDSCs) and lymphocytes to the liver. CONCLUSION: Taken together, our findings uncovered the modulatory role for the tumor beta2 subunit of the LFA-1 integrin in the metastatic progression of colorectal cancer to the liver by impairing activation of liver endothelium and thus, the local immune response in the liver. Besides, this integrin also showed to be critical in vivo for tumor cell retention, cytokine release, leukocyte recruitment and metastasis development. These data support a therapeutical potential of the integrin LFA-1 as a target for the treatment of colorectal liver metastasis. PMID- 29207961 TI - When and how should multiple imputation be used for handling missing data in randomised clinical trials - a practical guide with flowcharts. AB - BACKGROUND: Missing data may seriously compromise inferences from randomised clinical trials, especially if missing data are not handled appropriately. The potential bias due to missing data depends on the mechanism causing the data to be missing, and the analytical methods applied to amend the missingness. Therefore, the analysis of trial data with missing values requires careful planning and attention. METHODS: The authors had several meetings and discussions considering optimal ways of handling missing data to minimise the bias potential. We also searched PubMed (key words: missing data; randomi*; statistical analysis) and reference lists of known studies for papers (theoretical papers; empirical studies; simulation studies; etc.) on how to deal with missing data when analysing randomised clinical trials. RESULTS: Handling missing data is an important, yet difficult and complex task when analysing results of randomised clinical trials. We consider how to optimise the handling of missing data during the planning stage of a randomised clinical trial and recommend analytical approaches which may prevent bias caused by unavoidable missing data. We consider the strengths and limitations of using of best-worst and worst-best sensitivity analyses, multiple imputation, and full information maximum likelihood. We also present practical flowcharts on how to deal with missing data and an overview of the steps that always need to be considered during the analysis stage of a trial. CONCLUSIONS: We present a practical guide and flowcharts describing when and how multiple imputation should be used to handle missing data in randomised clinical. PMID- 29207963 TI - Two staging systems for gastrointestinal stromal tumors in the stomach: which is better? AB - BACKGROUND: The prognosis of a gastrointestinal stromal tumor (GIST) is influenced by its anatomic site; however, few studies on the prognosis of gastric GISTs have been reported. The aims of this study were to evaluate long-term prognoses of patients who underwent surgical resection for gastric GISTs and to compare the clinical efficacy of two staging systems: the National Institutes of Health (NIH) consensus criteria and the 7th Union for International Cancer Control/American Joint Committee on Cancer (UICC/AJCC) tumor-node-metastasis (TNM) staging system. METHODS: We conducted a retrospective observational study of 145 patients who underwent surgical resection for gastric GISTs between February 2001 and June 2012 at Pusan National University Hospital (Busan, Korea). Recurrence and 5-year recurrence-free survival (RFS) rates were analyzed. RESULTS: During a median follow-up period of 44 months (range, 6-144 months), 11 recurrent lesions were detected in 9 patients (6.4%). On multivariate analysis, tumor size (>5 cm), mitotic count (>5/50 high-power fields), and epithelioid and mixed pathological type were significantly associated with recurrence. The overall 5-year RFS rate was 93.4%. Although no statistically significant differences were detected (C-statistic difference P = 0.886), all metrics showed lower values for the UICC/AJCC TNM staging system than for the NIH consensus criteria, suggesting that the UICC/AJCC TNM staging system may be a better model. CONCLUSIONS: The 5-year RFS rate in patients who underwent curative resection for gastric GISTs was excellent. The UICC/AJCC TNM staging system may be more useful than the NIH consensus criteria for risk categorization of patients with gastric GISTs. PMID- 29207962 TI - A partially supervised physical activity program for adult and adolescent survivors of childhood cancer (SURfit): study design of a randomized controlled trial [NCT02730767]. AB - BACKGROUND: Beyond survival of nowadays >80%, modern childhood cancer treatment strives to preserve long-term health and quality of life. However, the majority of today's survivors suffer from short- and long-term adverse effects such as cardiovascular and pulmonary diseases, obesity, osteoporosis, fatigue, depression, and reduced physical fitness and quality of life. Regular exercise can play a major role to mitigate or prevent such late-effects. Despite this, there are no data on the effects of regular exercise in childhood cancer survivors from randomized controlled trials (RCTs). Primary outcome of the current RCT is therefore the effect of a 12-months exercise program on a composite cardiovascular disease risk score in childhood cancer survivors. Secondary outcomes are single cardiovascular disease risk factors, glycaemic control, bone health, body composition, physical fitness, physical activity, quality of life, mental health, fatigue and adverse events (safety). METHODS: A total of 150 childhood cancer survivors aged >=16 years and diagnosed >=5 years prior to the study are recruited from Swiss paediatric oncology clinics. Following the baseline assessments patients are randomized 1:1 into an intervention and control group. Thereafter, they are seen at month 3, 6 and 12 for follow-up assessments. The intervention group is asked to add >=2.5 h of intense physical activity/week, including 30 min of strength building and 2 h of aerobic exercises. In addition, they are told to reduce screen time by 25%. Regular consulting by physiotherapists, individual web-based activity diaries, and pedometer devices are used as motivational tools for the intervention group. The control group is asked to keep their physical activity levels constant. DISCUSSION: The results of this study will show whether a partially supervised exercise intervention can improve cardiovascular disease risk factors, bone health, body composition, physical activity and fitness, fatigue, mental health and quality of life in childhood cancer survivors. If the program will be effective, all relevant information of the SURfit physical activity intervention will be made available to interested clinics that treat and follow-up childhood cancer patients to promote exercise in their patients. TRIAL REGISTRATION: Prospectively registered in clinicaltrials.gov [ NCT02730767 ], registration date: 10.12.2015. PMID- 29207964 TI - Concordance of FDG PET/CT metabolic tumour volume versus DW-MRI functional tumour volume with T2-weighted anatomical tumour volume in cervical cancer. AB - BACKGROUND: 18F-fluoro-deoxyglucose positron emission tomography with computed tomography (FDG PET/CT) has been employed to define radiotherapy targets using a threshold based on the standardised uptake value (SUV), and has been described for use in cervical cancer. The aim of this study was to evaluate the concordance between the metabolic tumour volume (MTV) measured on FDG PET/CT and the anatomical tumour volume (ATV) measured on T2-weighted magnetic resonance imaging (T2W-MRI); and compared with the functional tumour volume (FTV) measured on diffusion-weighted MRI (DW-MRI) in cervical cancer, taking the T2W-ATV as gold standard. METHODS: Consecutive newly diagnosed cervical cancer patients who underwent FDG PET/CT and DW-MRI were retrospectively reviewed from June 2013 to July 2017. Volumes of interest was inserted to the focal hypermetabolic activity corresponding to the cervical tumour on FDG PET/CT with automated tumour contouring and manual adjustment, based on SUV 20%-80% thresholds of the maximum SUV (SUVmax) to define the MTV20-80, with intervals of 5%. Tumour areas were manually delineated on T2W-MRI and multiplied by slice thickness to calculate the ATV. FTV were derived by manually delineating tumour area on ADC map, multiplied by the slice thickness to determine the FTV(manual). Diffusion restricted areas was extracted from b0 and ADC map using K-means clustering to determine the FTV(semi-automated). The ATVs, FTVs and the MTVs at different thresholds were compared using the mean and correlated using Pearson's product-moment correlation. RESULTS: Twenty-nine patients were evaluated (median age 52 years). Paired difference of mean between ATV and MTV was the closest and not statistically significant at MTV30 (-2.9cm3, -5.2%, p = 0.301). This was less than the differences between ATV and FTV(semi-automated) (25.0cm3, 45.1%, p < 0.001) and FTV(manual) (11.2cm3, 20.1%, p = 0.001). The correlation of MTV30 with ATV was excellent (r = 0.968, p < 0.001) and better than that of the FTVs. CONCLUSIONS: Our study demonstrated that MTV30 was the only parameter investigated with no statistically significant difference with ATV, had the least absolute difference from ATV, and showed excellent positive correlation with ATV, suggesting its superiority as a functional imaging modality when compared with DW MRI and supporting its use as a surrogate for ATV for radiotherapy tumour contouring. PMID- 29207965 TI - Long-term intra-individual variability of albuminuria in type 2 diabetes mellitus: implications for categorization of albumin excretion rate. AB - BACKGROUND: Diabetic kidney disease (DKD) is the leading cause of end-stage renal disease in the Western world. Early and accurate identification of DKD offers the best chance of slowing the progression of kidney disease. An important method for evaluating risk of progressive DKD is abnormal albumin excretion rate (AER). Due to the high variability in AER, most guidelines recommend the use of more than or equal to two out of three AER measurements within a 3- to 6-month period to categorise AER. There are recognised limitations of using AER as a marker of DKD because one quarter of patients with type 2 diabetes may develop kidney disease without an increase in albuminuria and spontaneous regression of albuminuria occurs frequently. Nevertheless, it is important to investigate the long-term intra-individual variability of AER in participants with type 2 diabetes. METHODS: Consecutive AER measurements (median 19 per subject) were performed in 497 participants with type 2 diabetes from 1999 to 2012 (mean follow-up 7.9 +/- 3 years). Baseline clinical characteristics were collected to determine associations with AER variability. Participants were categorised as having normo , micro- or macroalbuminuria according to their initial three AER measurements. Participants were then categorised into four patterns of AER trajectories: persistent, intermittent, progressing and regressing. Coefficients of variation were used to measure intra-individual AER variability. RESULTS: The median coefficient of variation of AER was 53.3%, 76.0% and 67.0% for subjects with normo-, micro- or macroalbuminuria at baseline. The coefficient of variation of AER was 37.7%, 66% and 94.8% for subjects with persistent, intermittent and progressing normoalbuminuria; 43%, 70.6%, 86.1% and 82.3% for subjects with persistent, intermittent, progressing and regressing microalbuminuria; and 55.2%, 67% and 82.4% for subjects with persistent, intermittent and regressing macroalbuminuria, respectively. CONCLUSION: High long-term variability of AER suggests that two out of three AER measurements may not always be adequate for the optimal categorisation and prediction of AER. PMID- 29207966 TI - Study protocol for a cluster-randomized trial to compare human papillomavirus based cervical cancer screening in community-health campaigns versus health facilities in western Kenya. AB - BACKGROUND: Despite guidelines for cervical cancer prevention in low-resource countries, a very small proportion of women in these settings undergo screening, and even fewer women are successfully treated. Using pilot data from western Kenya and World Health Organization recommendations, we developed a protocol to implement evidence-based cervical cancer screening and linkage to treatment strategies to the rural communities. We describe the protocol for a cluster randomized trial to compare two implementation strategies for human papillomavirus (HPV)-based cervical cancer screening program using metrics described in the RE-AIM (reach, efficacy, adaption, implementation and maintenance) framework. METHODS: The study is a three-year, two-phase cluster randomized trial in 18 communities in western Kenya. During Phase 1, six control communities were offered screening in health facilities; and six intervention communities were offered screening in community health campaigns. Screening was done with human-papillomavirus testing through self-collected specimens. Phase 1 ended and we are working in partnership with communities to further contextualize the implementation strategy for screening, and develop an enhanced linkage to treatment plan. This plan will be tested in an additional six communities in Phase 2 (enhanced intervention). We will compare the reach, efficacy, cost effectiveness and adaptability of the implementation strategies. DISCUSSION: Effective low-cost cervical cancer prevention technologies are becoming more widely available in low- and middle-income countries. Despite increasing government support for cervical cancer prevention, there remains a sizeable gap in service availability. We will use implementation science to identify the most effective strategies to fill this gap through development of context-specific evidence-based solutions. This protocol design and results can help guide implementation of cervical cancer screening in similar settings, where women are most underserved and at highest risk for disease. TRIAL REGISTRATION: This trial is registered at ClinicalTrials.gov , NCT02124252 . PMID- 29207967 TI - Identification by mass spectrometry and automated susceptibility testing from positive bottles: a simple, rapid, and standardized approach to reduce the turnaround time in the management of blood cultures. AB - BACKGROUND: Speeding up identification and antimicrobial susceptibility testing (AST) is of foremost importance in the management of blood cultures. Here, we describe a simple, rapid, and standardized approach based on a very short-term incubation on solid medium from positive blood cultures followed by MALDI-TOF mass spectrometry identification and automated AST. The aim of the study was to evaluate the impact in the laboratory practice of this new procedure with respect to that previously used (standard method) by comparing TAT and cumulative percentage of final reports to clinicians. RESULTS: Compared with the standard method, the new procedure gave correct organism identification at genus or species level in 98.4% of monomicrobial samples. AST resulted in 97.7% essential agreement and 98.1% categorical agreement, with 0.9% minor errors, 1.0% major error, and 1.5% very major errors. The mean turnaround time to identification and AST was 61.4 h by using the new method compared to 83.1 h by using standard procedure. Concerning cumulative percentages of final reports, approximately a third of results were available at 48 h from the check-in of the sample when using the new procedure, whereas no final reports were ready at the same time with the standard method. CONCLUSIONS: The new procedure allows faster and reliable results using a simple and standardized approach. Thus, it represents an important tool for a more rapid management of blood cultures when molecular methods are not available in the laboratory. PMID- 29207968 TI - Palliative chemotherapy for pancreatic adenocarcinoma: a retrospective cohort analysis of efficacy and toxicity of the FOLFIRINOX regimen focusing on the older patient. AB - BACKGROUND: Pancreatic cancer occurs more frequently in older patients, but these are underrepresented in the phase III clinical studies that established the current treatment standards. This leads to uncertainty regarding the treatment of older patients with potentially toxic but active regimens like FOLFIRINOX. METHODS: We conducted a retrospective analysis of patients treated according to the FOLFIRINOX protocol at our institution between 2010 and 2014 with a focus on older patients. RESULTS: Overall survival in our cohort was 10.2 months. Only 43% of patients did not need dose adaptations, but dose reductions did not lead to an inferior survival. We did not find evidence that patients aged 65 years and older deemed fit enough for palliative treatment had more toxicities or a worse outcome than younger patients. CONCLUSION: We conclude that treatment with the FOLFIRINOX protocol in patients with pancreatic cancer should not be withhold from patients solely based on their chronological age but rather be based on the patient's performance status and comorbidities. PMID- 29207969 TI - Pre-treatment alphafeto protein in hepatocellular carcinoma with non-viral aetiology - a prospective study. AB - BACKGROUND: Alpha-fetoprotein (AFP) is a biomarker for hepatocellular carcinoma (HCC). The significance of pre-treatment AFP (pt-AFP) in non-viral HCC (nvHCC) is not clear. METHODS: Patients with nvHCC, referred to a Hepatobiliary Clinic from September 2011-2015 were screened. HCC was diagnosed using American Association for the Study of Liver Disease guidelines, and TNM staged. nvHCC was diagnosed when HBsAg and anti-HCVAb was negative. Child-Turcotte-Pugh (CTP) and Model for End-stage Liver Disease (MELD) scores were calculated. AFP level was evaluated against patient characteristics, tumour characteristics and survival. RESULTS: Three hundred eighty-nine patients with nvHCC [age 64(12-88) years; 344(88.4%) males] were screened. Median AFP was 25.46 ng/ml (1.16-100,000). 41.2% (n = 160) Of patients had normal AFP level. 22.9% (n = 89) had AFP over 400 ng/ml. Female gender (P < 0.05), vascular invasion (P < 0.001), tumours over 5 cm (P < 0.05), late TNM stage (P < 0.001) and non-surgical candidates had higher AFP levels. Diffuse type (P < 0.001), macro vascular invasion (P < 0.001) and late stage tumours (P < 0.001) had AFP over 400 ng/ml. Having AFP below 400 ng/ml was associated with longer survival (16 vs. 7 months, P < 0.001). CONCLUSION: Pre treatment AFP has a limited value In diagnosing nvHCC, Having a AFP value over 400 ng/ml was associated with aggressive tumour behaviour and poor prognosis. PMID- 29207970 TI - Overexpression of Cullin7 is associated with hepatocellular carcinoma progression and pathogenesis. AB - BACKGROUND: Overexpression of Cullin7 is associated with some types of malignancies. However, the part of Cullin7 in hepatocellular carcinoma remains unclear. The aim of this study was to investigate the role of Cullin7 in pathogenesis and the progression of hepatocellular carcinoma. METHODS: In the present study, the expression of Cullin7 in hepatocellular carcinoma cell lines and five surgical hepatocellular carcinoma specimens was detected with quantitative reverse transcription PCR and western blotting. In addition, the protein expression of Cullin7 was examined in 162 cases of archived hepatocellular carcinoma using immunohistochemistry. RESULTS: We found elevated expression of both mRNA and protein levels of Cullin7 in hepatocellular carcinoma cell lines, and Cullin7 protein was significantly upregulated in hepatocellular carcinoma compared with paired normal hepatic tissues. The immunohistochemistry analysis revealed that overexpression of Cullin7 occurred in 69.1% of hepatocellular carcinoma samples, which was a significantly higher rate than that in adjacent normal hepatic tissue (P < 0.01). Statistical analysis found that overexpression of Cullin7 was significantly associated with lymph node metastasis, tumor thrombus of the portal vein and advanced clinical stage (P < 0.05). Furthermore, by overexpressing Cullin7 in hepatocellular carcinoma HepG2 cells, we revealed that Cullin7 could significantly enhance cell proliferation, growth, migration and invasion. Conversely, knocking down Cullin7 expression with short hairpin RNAi in hepatocellular carcinoma HepG2 cells inhibited cell proliferation, growth, migration and invasion. CONCLUSION: Our studies provide evidence that overexpression of Cullin7 plays an important role in the pathogenesis and progression of hepatocellular carcinoma and may be a valuable marker for hepatocellular carcinoma management. PMID- 29207972 TI - Disparities in the regional, hospital and individual levels of antibiotic use in gallstone surgery in Sweden. AB - BACKGROUND: Antimicrobial resistance may be promoted by divergent routines and lack of conformity in antibiotic treatment, especially regarding the practice of antibiotic prophylaxis. The aim of the present study was to assess differences in gallstone surgery regarding antibiotic use in Sweden. METHODS: The study was based on data from the Swedish Register for Gallstone Surgery and ERCP (GallRiks) 2005-2015. Funnel plots were used to test impact of grouping factors, including, hospital and surgeon and to identify units that deviated from the rest of the population. RESULTS: After adjusting for cofounders including age, gender, ASA classification, indication for surgery, operation time, gallbladder perforation and emergency status, there were 0/21 (0%) at the regional level, 18/76 (24%) at the hospital level and 128/1038 (12%) at the surgeon level outside the 99.9% confidence interval (CI). The estimated median odds ratios were 1.13 (95% CI 1.00 1.31) at the regional level, 1.93 (95% CI 1.70-2.19) at the hospital level and 2.38 (95% CI 2.26-2.50) at the surgeon level. CONCLUSION: There are significant differences between hospitals and surgeons, but little or no differences between regions. These deviations confirm the lack of standardization in regards to prescription of antibiotic prophylaxis and the need more uniform routines regarding antibiotic usage. Randomized controlled trials and large population based studies are necessary to assess assessing the effectiveness and safety of antibiotic prophylaxis in gallstone surgery. PMID- 29207971 TI - Comparison of the association of mammographic density and clinical factors with ductal carcinoma in situ versus invasive ductal breast cancer in Korean women. AB - BACKGROUND: In spite of the increasing incidence of in situ breast cancer, the information about the risk factors of in situ breast cancer (DCIS) is scarce as compared to the information available for invasive ductal breast cancer (IDC), with inconsistent findings regarding the difference in risk factors between DCIS and IDC. METHODS: We enrolled 472 women with IDC and 90 women with DCIS and 1088 controls matching for age and menopausal status. Information on risk factors was collected through self-administered questionnaire. Percent mammographic dense area (PDA), absolute mammographic dense area (ADA), and nondense area were assessed using a computer-assisted thresholding technique. Odds ratio (OR) and 95% confidence intervals (CI) were estimated by conditional logistic regression model with adjustment for covariates. RESULTS: Later age at menarche and regular physical exercise were associated with decreased risk of IDC, whereas alcohol consumption, previous benign breast disease, and family history of breast cancer were associated with increased risk of IDC. For DCIS, previous benign breast disease and alcohol consumption were associated with the increased risk, and regular physical exercise was associated with decreased risk. Increase of ADA by 1-quartile level and PDA increase by 10% were associated with 1.10 (95% CI: 1.01, 1.21) and 1.10 (95% CI: 1.01, 1.19) times greater risk of IDC, respectively. The increase of ADA by 1-quartile level and PDA increase by 10% were associated with 1.17 (95% CI: 0.91, 1.50) times and 1.11 (95% CI:0.90,1.37) times greater risk of DCIS, respectively, but the associations were not statistically significant. There was no significant difference in the association with risk factors and mammographic density measures between IDC and DCIS (P > 0.1). CONCLUSIONS: Differential associations of DCIS with mammographic density and risk factors as compared with the associations of IDC were not evident. This finding suggests that IDC and DCIS develop through the shared causal pathways. PMID- 29207973 TI - Identifying models of HIV care and treatment service delivery in Tanzania, Uganda, and Zambia using cluster analysis and Delphi survey. AB - BACKGROUND: Organization of HIV care and treatment services, including clinic staffing and services, may shape clinical and financial outcomes, yet there has been little attempt to describe different models of HIV care in sub-Saharan Africa (SSA). Information about the relative benefits and drawbacks of different models could inform the scale-up of antiretroviral therapy (ART) and associated services in resource-limited settings (RLS), especially in light of expanded client populations with country adoption of WHO's test and treat recommendation. METHODS: We characterized task-shifting/task-sharing practices in 19 diverse ART clinics in Tanzania, Uganda, and Zambia and used cluster analysis to identify unique models of service provision. We ran descriptive statistics to explore how the clusters varied by environmental factors and programmatic characteristics. Finally, we employed the Delphi Method to make systematic use of expert opinions to ensure that the cluster variables were meaningful in the context of actual task-shifting of ART services in SSA. RESULTS: The cluster analysis identified three task-shifting/task-sharing models. The main differences across models were the availability of medical doctors, the scope of clinical responsibility assigned to nurses, and the use of lay health care workers. Patterns of healthcare staffing in HIV service delivery were associated with different environmental factors (e.g., health facility levels, urban vs. rural settings) and programme characteristics (e.g., community ART distribution or integrated tuberculosis treatment on-site). CONCLUSIONS: Understanding the relative advantages and disadvantages of different models of care can help national programmes adapt to increased client load, select optimal adherence strategies within decentralized models of care, and identify differentiated models of care for clients to meet the growing needs of long-term ART patients who require more complicated treatment management. PMID- 29207974 TI - Spectrum of mutations in monogenic diabetes genes identified from high-throughput DNA sequencing of 6888 individuals. AB - BACKGROUND: Diagnosis of monogenic as well as atypical forms of diabetes mellitus has important clinical implications for their specific diagnosis, prognosis, and targeted treatment. Single gene mutations that affect beta-cell function represent 1-2% of all cases of diabetes. However, phenotypic heterogeneity and lack of family history of diabetes can limit the diagnosis of monogenic forms of diabetes. Next-generation sequencing technologies provide an excellent opportunity to screen large numbers of individuals with a diagnosis of diabetes for mutations in disease-associated genes. METHODS: We utilized a targeted sequencing approach using the Illumina HiSeq to perform a case-control sequencing study of 22 monogenic diabetes genes in 4016 individuals with type 2 diabetes (including 1346 individuals diagnosed before the age of 40 years) and 2872 controls. We analyzed protein-coding variants identified from the sequence data and compared the frequencies of pathogenic variants (protein-truncating variants and missense variants) between the cases and controls. RESULTS: A total of 40 individuals with diabetes (1.8% of early onset sub-group and 0.6% of adult onset sub-group) were carriers of known pathogenic missense variants in the GCK, HNF1A, HNF4A, ABCC8, and INS genes. In addition, heterozygous protein truncating mutations were detected in the GCK, HNF1A, and HNF1B genes in seven individuals with diabetes. Rare missense mutations in the GCK gene were significantly over represented in individuals with diabetes (0.5% carrier frequency) compared to controls (0.035%). One individual with early onset diabetes was homozygous for a rare pathogenic missense variant in the WFS1 gene but did not have the additional phenotypes associated with Wolfram syndrome. CONCLUSION: Targeted sequencing of genes linked with monogenic diabetes can identify disease-relevant mutations in individuals diagnosed with type 2 diabetes not suspected of having monogenic forms of the disease. Our data suggests that GCK-MODY frequently masquerades as classical type 2 diabetes. The results confirm that MODY is under-diagnosed, particularly in individuals presenting with early onset diabetes and clinically labeled as type 2 diabetes; thus, sequencing of all monogenic diabetes genes should be routinely considered in such individuals. Genetic information can provide a specific diagnosis, inform disease prognosis and may help to better stratify treatment plans. PMID- 29207976 TI - Demographic differences in and correlates of perceived body image discrepancy among urban adolescent girls: a cross-sectional study. AB - BACKGROUND: Understanding factors related to girls' body image discrepancy, which is the difference between self-perceived current or actual and ideal body size, is important for addressing body-related issues and preventing adverse sequelae. Two aims were to: 1) examine demographic differences in body image discrepancy; and 2) determine the association of body image discrepancy with weight status, percent body fat, physical activity, sedentary behavior, and cardiovascular (CV) fitness among young adolescent girls. METHODS: The cross-sectional study included a secondary analysis of baseline data from a group randomized controlled trial including 1519 5th-8th grade girls in 24 U.S. schools. Girls completed physical activity and sedentary behavior surveys. To indicate perceived current/actual and ideal body image, girls selected from nine body figures the one that represented how they look now and another showing how they want to look. Girls wore accelerometers measuring physical activity. Height, weight, and percent body fat were assessed. The Progressive Aerobic CV Endurance Run was used to estimate CV fitness. Independent t-test, one- and two-way ANOVA, correlational analyses, and hierarchical linear regressions were performed. RESULTS: The majority (67.5%; n = 1023) chose a smaller ideal than current/actual figure. White girls had higher body image discrepancy than Black girls (p = .035). Body image discrepancy increased with increasing weight status (F3,1506 = 171.32, p < .001). Moderate-to vigorous physical activity (MVPA) and vigorous physical activity were negatively correlated with body image discrepancy (r = -.10, p < .001; r = -.14, p < .001, respectively), but correlations were not significant after adjusting for race and body mass index (BMI), respectively. Body image discrepancy was moderately correlated with CV fitness (r = -.55, p < .001). After adjusting for demographics, percent body fat, but not CV fitness or MVPA, influenced body image discrepancy. Girls with higher percent body fat had higher body image discrepancy (p < .001). CONCLUSION: This study provided important information to guide interventions for promoting a positive body image among girls. TRIAL REGISTRATION: ClinicalTrials.gov Identifier NCT01503333 , registration date: January 4, 2012. PMID- 29207975 TI - Radiomics based analysis to predict local control and survival in hepatocellular carcinoma patients treated with volumetric modulated arc therapy. AB - BACKGROUND: To appraise the ability of a radiomics based analysis to predict local response and overall survival for patients with hepatocellular carcinoma. METHODS: A set of 138 consecutive patients (112 males and 26 females, median age 66 years) presented with Barcelona Clinic Liver Cancer (BCLC) stage A to C were retrospectively studied. For a subset of these patients (106) complete information about treatment outcome, namely local control, was available. Radiomic features were computed for the clinical target volume. A total of 35 features were extracted and analyzed. Univariate analysis was used to identify clinical and radiomics significant features. Multivariate models by Cox regression hazards model were built for local control and survival outcome. Models were evaluated by area under the curve (AUC) of receiver operating characteristic (ROC) curve. For the LC analysis, two models selecting two groups of uncorrelated features were analyzes while one single model was built for the OS analysis. RESULTS: The univariate analysis lead to the identification of 15 significant radiomics features but the analysis of cross correlation showed several cross related covariates. The un-correlated variables were used to build two separate models; both resulted into a single significant radiomic covariate: model-1: energy p < 0.05, AUC of ROC 0.6659, C.I.: 0.5585-0.7732; model-2: GLNU p < 0.05, AUC 0.6396, C.I.:0.5266-0.7526. The univariate analysis for covariates significant with respect to local control resulted in 9 clinical and 13 radiomics features with multiple and complex cross-correlations. After elastic net regularization, the most significant covariates were compacity and BCLC stage, with only compacity significant to Cox model fitting (Cox model likelihood ratio test p < 0.0001, compacity p < 0.00001; AUC of the model is 0.8014 (C.I. = 0.7232 0.8797)). CONCLUSION: A robust radiomic signature, made by one single feature was finally identified. A validation phases, based on independent set of patients is scheduled to be performed to confirm the results. PMID- 29207977 TI - Acute Zonal Occult Outer Retinopathy (AZOOR): a case report of vision improvement after intravitreal injection of Ozurdex. AB - BACKGROUND: AZOOR was first described by Gass in 1993 as a syndrome with rapid loss of one or more extensive zones of the outer retinal segments. It is characterized by photopsia, minimal funduscopic changes, and electroretinographic abnormalities. The efficacy of systemic steroids in treating AZOOR has been previously described and advocated by the concept of autoimmune retinopathy. However, the use of intravitreal of sustained-released steroid had not been mentioned to date. CASE PRESENTATION: A 34-year-old man had sudden onset of central scotoma and photopsia in the left eye. His visual acuity continued deteriorating. The visual field defect demonstrated bilateral enlarged blind spots and altitudinal defects. Fluorescein angiography (FA) showed nonspecific retinal inflammation, and an electroretinogram (ERG) illustrated decreased amplitude of the b wave in both eyes. Optical coherence tomography (OCT) examinations revealed parafoveal loss of the photoreceptor inner/outer segment (IS/OS) junction. Therefore, acute zonal occult outer retinopathy (AZOOR) was diagnosed. Although his vision did not improve under the initial treatment of systemic corticosteroid and calcium channel blocker, remarkable improvement was noticed after the intravitreal injection(IVI) of Ozurdex, consistent with the recovered IS/OS junction disruption. CONCLUSIONS: We herein report a typical case of AZOOR, suggesting that the intravitreal injection of steroid may benefit in certain patients. PMID- 29207978 TI - Potential therapeutic effects of N-butylidenephthalide from Radix Angelica Sinensis (Danggui) in human bladder cancer cells. AB - BACKGROUND: N-butylidenephthalide (BP) isolated from Radix Angelica Sinensis (Danggui) exhibits anti-tumorigenic effect in various cancer cells both in vivo and in vitro. The effect of BP in bladder cancer treatment is still unclear and worth for further investigate. METHODS: Changes of patients with bladder cancer after Angelica Sinensis exposure were evaluated by analysis of Taiwan's National Health Insurance Research Database (NHIRD) database. The anti-proliferative effect of BP on human bladder cancer cells was investigated and their cell cycle profiles after BP treatment were determined by flow cytometry. BP-induced apoptosis was demonstrated by Annexin V-FITC staining and TUNEL assay, while the expressions of apoptosis-related proteins were determined by western blot. The migration inhibitory effect of BP on human bladder cancer cells were shown by trans-well and wound healing assays. Tumor model in NOD-SCID mice were induced by injection of BFTC human bladder cancer cells. RESULTS: The correlation of taking Angelica sinensis and the incidence of bladder cancer in NHIRD imply that this herbal product is worth for further investigation. BP caused bladder cancer cell death in a time- and dose- dependent manner and induced apoptosis via the activation of caspase-9 and caspase-3. BP also suppressed the migration of bladder cancer cells as revealed by the trans-well and wound healing assays. Up regulation of E-cadherin and down-regulation of N-cadherin were evidenced by real time RT-PCR analysis after BP treatment in vitro. Besides, in combination with BP, the sensitivity of these bladder cancer cells to cisplatin increased significantly. BP also suppressed BFTC xenograft tumor growth, and caused 44.2% reduction of tumor volume after treatment for 26 days. CONCLUSIONS: BP caused bladder cancer cell death through activation of mitochondria-intrinsic pathway. BP also suppressed the migration and invasion of these cells, probably by modulating EMT-related genes. Furthermore, combination therapy of BP with a lower dose of cisplatin significantly inhibited the growth of these bladder cancer cell lines. The incidence of bladder cancer decreased in patients who were exposed to Angelica sinensis, suggesting that BP could serve as a potential adjuvant in bladder cancer therapy regimen. PMID- 29207979 TI - A propeptide toolbox for secretion optimization of Flavobacterium meningosepticum endopeptidase in Lactococcus lactis. AB - BACKGROUND: Lactic acid bacteria are a family of "generally regarded as safe" organisms traditionally used for food fermentation. In recent years, they have started to emerge as potential chassis for heterologous protein production. And more recently, due to their beneficial properties in the gut, they have been examined as potential candidates for mucosal delivery vectors, especially for acid-sensitive enzymes. One such application would be the delivery of gluten digesting endopeptidases for the treatment of celiac disease. To facilitate these applications, an efficient recombinant protein expression toolbox is required, especially for recombinant protein secretion. While current tools for enhancing protein secretion consist mainly of signal peptides, secretion propeptides have also been observed to play a crucial role for protein secretion and improved yields. RESULTS: To expand the propeptide library for secretion optimization, we have mined and characterized three naturally occurring propeptides from the sequenced genomes of 109 Lactococcus species. These newly-mined propeptides were introduced after the N-terminal USP45 secretion signal to characterize and compare their effects on the secretion of Escherichia coli thioredoxin (TRX) and Flavobacterium meningosepticum prolyl endopeptidase (Fm PEP) in Lactococcus lactis NZ9000. All three propeptides, along with the positive control LEISSTCDA, improved volumetric secretion yields by 1.4-2.3-folds. However, enhancement of secretion yield is dependent on protein of interest. For TRX, the optimal combination of USP45 signal peptide and LEISSTCDA produced a 2.3-fold increase in secretion yields. Whilst for Fm PEP, propeptide 1 with USP45 signal peptide improved volumetric secretion yields by 2.2-fold compared to a 1.4-fold increase by LEISSTCDA. Similar trends in Fm PEP activity and protein yield also demonstrated minimal effect of the negative charged propeptides on PEP activity and thus folding. CONCLUSIONS: Overall, we have characterized three new propeptides for use in L. lactis secretion optimization. From success of these propeptides for improvement of secretion yields, we anticipate this collection to be valuable to heterologous protein secretion optimisation in lactic acid bacteria. We have also demonstrated for the first time, secretion of Fm PEP in L. lactis for potential use as a therapy agent in celiac disease. PMID- 29207980 TI - Pilot randomised controlled trial of culturally adapted cognitive behavior therapy for psychosis (CaCBTp) in Pakistan. AB - BACKGROUND: Evidence for efficacy of cognitive-behavioural therapy (CBT) in treatment of schizophrenia is growing. CBT is effective and cost efficient in treating positive and negative symptoms. To effectively meet the needs of diverse cultural groups, CBT needs to be adapted to the linguistic, cultural and socioeconomic context. We aimed to assess the feasibility, efficacy and acceptability of a culturally adapted CBT for treatment of psychosis (CaCBTp) in a low-income country. METHODS: Rater-blind, randomised, controlled trial of the use of standard duration CBT in patients with psychosis from a low-income country. Participants with a ICD-10 diagnosis of psychosis were assessed using Positive and Negative Syndrome Scale for Schizophrenia (PANSS), Psychotic Symptom Rating Scales (PSYRATS), and the Schedule for Assessment of Insight (SAI) (baseline, 3 months and 6 months). They were randomized into the intervention group (n = 18) and Treatment As Usual (TAU) group (n = 18). The intervention group received 12 weekly sessions of CaCBTp. RESULTS: The CaCBTp group had significantly lower scores on PANSS Positive (p = 0.02), PANSS Negative (p = 0.045), PANSS General Psychopathology (p = 0.008) and Total PANSS (p = 0.05) when compared to TAU at three months. They also had low scores on Delusion Severity Total (p = 0.02) and Hallucination Severity Total (p = 0.04) of PSYRATS, as well as higher scores on SAI (p = 0.01) at the same time point. At six months only the improvement in PANSS positive scores (p = 0.045) met statistical significance.. CONCLUSIONS: It is feasible to offer CaCBTp as an adjunct to TAU in patients with psychosis, presenting to services in a lower middle-income country. TRIAL REGISTRATION: Clinicaltrials.gov identifier NCT02202694 (Retrospectively registered). PMID- 29207981 TI - An ontology-aware integration of clinical models, terminologies and guidelines: an exploratory study of the Scale for the Assessment and Rating of Ataxia (SARA). AB - BACKGROUND: Electronic rating scales represent an important resource for standardized data collection. However, the ability to exploit reasoning on rating scale data is still limited. The objective of this work is to facilitate the integration of the semantics required to automatically interpret collections of standardized clinical data. We developed an electronic prototype for the Scale of the Assessment and Rating of Ataxia (SARA), broadly used in neurology. In order to address the modeling challenges of the SARA, we propose to combine the best performances from OpenEHR clinical archetypes, guidelines and ontologies. METHODS: A scaled-down version of the Human Phenotype Ontology (HPO) was built, extracting the terms that describe the SARA tests from free-text sources. This version of the HPO was then used as backbone to normalize the content of the SARA through clinical archetypes. The knowledge required to exploit reasoning on the SARA data was modeled as separate information-processing units interconnected via the defined archetypes. Each unit used the most appropriate technology to formally represent the required knowledge. RESULTS: Based on this approach, we implemented a prototype named SARA Management System, to be used for both the assessment of cerebellar syndrome and the production of a clinical synopsis. For validation purposes, we used recorded SARA data from 28 anonymous subjects affected by Spinocerebellar Ataxia Type 36 (SCA36). When comparing the performance of our prototype with that of two independent experts, weighted kappa scores ranged from 0.62 to 0.86. CONCLUSIONS: The combination of archetypes, phenotype ontologies and electronic information-processing rules can be used to automate the extraction of relevant clinical knowledge from plain scores of rating scales. Our results reveal a substantial degree of agreement between the results achieved by an ontology-aware system and the human experts. PMID- 29207982 TI - On causal roles and selected effects: our genome is mostly junk. AB - The idea that much of our genome is irrelevant to fitness-is not the product of positive natural selection at the organismal level-remains viable. Claims to the contrary, and specifically that the notion of "junk DNA" should be abandoned, are based on conflating meanings of the word "function". Recent estimates suggest that perhaps 90% of our DNA, though biochemically active, does not contribute to fitness in any sequence-dependent way, and possibly in no way at all. Comparisons to vertebrates with much larger and smaller genomes (the lungfish and the pufferfish) strongly align with such a conclusion, as they have done for the last half-century. PMID- 29207983 TI - Protocol for project IMPACT (improving millions hearts for provider and community transformation): a quasi-experimental evaluation of an integrated electronic health record and community health worker intervention study to improve hypertension management among South Asian patients. AB - BACKGROUND: The Million Hearts(r) initiative aims to prevent heart disease and stroke in the United States by mobilizing public and private sectors around a core set of objectives, with particular attention on improving blood pressure control. South Asians in particular have disproportionately high rates of hypertension and face numerous cultural, linguistic, and social barriers to accessing healthcare. Interventions utilizing Health information technology (HIT) and community health worker (CHW)-led patient coaching have each been demonstrated to be effective at advancing Million Hearts(r) goals, yet few studies have investigated the potential impact of integrating these strategies into a clinical-community linkage initiative. Building upon this initiative, we present the protocol and preliminary results of a research study, Project IMPACT, designed to fill this gap in knowledge. METHODS: Project IMPACT is a stepped wedge quasi-experimental study designed to test the feasibility, adoption, and impact of integrating CHW-led health coaching with electronic health record (EHR) based interventions to improve hypertension control among South Asian patients in New York City primary care practices. EHR intervention components include the training and implementation of hypertension-specific registry reports, alerts, and order sets. Fidelity to the EHR intervention is assessed by collecting the type, frequency, and utilization of intervention components for each practice. CHW intervention components consist of health coaching sessions on hypertension and related risk factors for uncontrolled hypertensive patients. The outcome, hypertension control (<140 mmHg systolic blood pressure (BP) and <90 mmHg diastolic BP), is collected at the aggregate- and individual-level for all 16 clinical practices enrolled. DISCUSSION: Project IMPACT builds upon the evidence base of the effectiveness of CHW and Million Hearts(r) initiatives and proposes a unique integration of provider-based EHR and community-based CHW interventions. The project informs the effectiveness of these interventions in team-based care approaches, thereby, helping to develop relevant sustainability strategies for improving hypertension control among targeted racial/ethnic minority populations at small primary care practices. TRIAL REGISTRATION: This study protocol has been approved and is made available on Clinicaltrials.gov by NCT03159533 as of May 17, 2017. PMID- 29207984 TI - Individualised radial extracorporeal shock wave therapy (rESWT) for symptomatic calcific shoulder tendinopathy: a retrospective clinical study. AB - BACKGROUND: A retrospective single centre cohort analysis was performed to evaluate an individualised radial extracorporeal shock wave therapy (rESWT) protocol for treatment of symptomatic calcific shoulder tendinopathy. METHODS: 67 patients (79 Shoulders) were identified with 76 shoulders included for analysis. rESWT treatment protocol was adapted according to individual response to treatment. Variables included number of sessions, shockwave impulses, pressure and frequency. Success rate was estimated as the percentage of patients having >=60% visual analogue score (VAS) pain decrease at follow-up. Recurrence at 1 year was recorded. RESULTS: Using this individualised symptom guided protocol, patients underwent a mean of 7 +/- 1.5 rESWT sessions, with mean pressure of 1.7 +/- 0.2 bar, mean frequency of 5 +/- 0.3 Hz and 2175 +/- 266 impulses. The mean pre-treatment VAS score of 6.7 +/- 1.1 was significantly decreased to 3.2 +/- 0.8 immediately post-treatment, 2.6 +/- 0.9 at 1 month, 1.7 +/- 1.0 at 3 months and 0.8 +/- 1.0 at 1 year follow up (alpha = 0.05). One-year success rate was estimated at 92% and 1-year recurrence rate was 7%. CONCLUSIONS: We conclude that in this retrospective study an individualised rESWT protocol resulted in a high success rate with low number of recurrences. Randomised controlled trials to support these findings are recommended. PMID- 29207985 TI - Long-term follow-up after scleral lens fixation in patients with Marfan syndrome. AB - BACKGROUND: The dislocation of the crystalline lens is a common finding in patients with Marfan syndrome (MFS). Scleral intraocular lens (IOL) fixation is an accepted treatment method of this complication. To now, no long-term data on scleral IOL fixation in MFS exist. METHODS: We present a retrospective study of 27 eyes of 17 MFS patients that underwent scleral lens fixation at our clinic between 1999 and 2012. These patients are compared to an age- and surgeon-matched group of 31 eyes of 27 patients who underwent the same procedure for reasons other than MFS. RESULTS: The median age in the MFS group was 35.4 years versus 35.6 years in the non-MFS group. The median follow-up was 4 years for MFS and 3 years for non-MFS. In the MFS group, significantly more IOL-dislocations occurred than compared to the non-MFS group (30% vs. 6.5%, p = 0.02). Retinal detachment occurred in four MFS-eyes compared to three eyes in the non-MFS group. Biometry prediction error was 1.11 diopters (D) for MFS and 1.33 D for non-MFS (p = 0.11). Median BCVA (best-corrected visual acuity, logMAR) was 0.1 in the MFS group versus 0.3 in non-MFS patients. CONCLUSION: Scleral lens fixation in MFS patients achieves satisfying visual and refractive outcomes. Our data shows a significantly higher rate of IOL dislocations in patients with MFS. We therefore recommend addressing this complication preoperatively. PMID- 29207986 TI - Risk of total/subtotal meniscectomy for respective medial and lateral meniscus injury: correlation with tear type, duration of complaint, age, gender and ACL rupture in 6034 Asian patients. AB - BACKGROUND: To evaluate the risk factor associated with total or subtotal meniscectomy for respective medial and lateral meniscus injury. METHODS: The data of all the meniscus injured patients undergoing arthroscopy in our institute between January 15th, 2000 and December 31st, 2008 was collected and 6034 patients with 7241 injured menisci met the inclusion criteria. The mean patient age was 33.6 +/- 14.9 years and there were 4785 males and 2456 females with 3568 medial and 3673 lateral menisci. The decision tree approach was applied to investigate the correlation of the tear type, the duration of complaint, age, gender, ACL rupture and total/subtotal meniscectomy for respective medial and lateral meniscus. RESULTS: The tear type was associated with both medial (chi2 = 70.901, P < 0.001) and lateral (chi2 = 268.019, P < 0.001) total/subtotal meniscectomy. The strongest risk of total/subtotal meniscectomy of both medial and lateral meniscus tear was shown for the complex tear followed by the longitudinal, oblique, horizontal and radial tear of the medial meniscus and followed by horizontal, longitudinal, radial and oblique tear of the lateral meniscus. The risk of total/subtotal medial meniscectomy was significantly elevated for the patients with complex tear and the age of <=40 years old (chi2 = 21.028, P < 0.001) and those with the oblique, horizontal or radial tear accompanied by ACL rupture (chi2 = 6.631, P = 0.01). Besides, the duration of complaint was also associated with total/subtotal meniscectomy of the medial longitudinal tear with ACL rupture (chi2 = 17.155, P < 0.001). On the other side, the risk of total/subtotal lateral meniscectomy was significantly elevated for the complex tear of the female patients (chi2 = 5.877, P = 0.015) with no ACL rupture (chi2 = 50.501, P < 0.001). The ACL rupture was associated with a decreased risk of total/subtotal meniscectomy for all the types of the lateral meniscus (complex: chi2 = 50.501, P < 0.001; horizontal: chi2 = 20.897, P < 0.001; oblique: chi2 = 27.413, P < 0.001; longitudinal and radial: chi2 = 110.85, P < 0.001). CONCLUSION: Analyzing data from a big sample available in an Asian patient database, we found different risk factors associated with total/subtotal meniscectomy for respective medial and lateral meniscus. Identifying patients at high risk for total/subtotal meniscectomy may allow for interventions after meniscus injury. PMID- 29207987 TI - Correction to: Public-on-private dual practice among physicians in public hospitals of Tigray National Regional State, North Ethiopia: perspectives of physicians, patients and managers. AB - CORRECTION: After the publication of this article [1] it has come to our attention that the author Jeph Herrin was incorrectly included as Jeph Henry. The correct spelling is included in this erratum and the original article has been updated. PMID- 29207988 TI - Correction to: An exploration of mortality risk factors in non-severe pneumonia in children using clinical data from Kenya. AB - CORRECTION: The original article contains an omission in the Acknowledgements sub section of the Declarations. PMID- 29207989 TI - Case report: continued treatment with alectinib is possible for patients with lung adenocarcinoma with drug-induced interstitial lung disease. AB - BACKGROUND: Alectinib, a second-generation anaplastic lymphoma kinase (ALK) inhibitor, is a key drug for ALK rearranged lung adenocarcinoma. Interstitial lung disease (ILD) is an important adverse effect of alectinib, which generally requires termination of treatment. However, we treated two patients with drug induced ILD who continued to receive alectinib. CASE PRESENTATION: Patient 1 was a 57-year-old male with an ALK-rearranged Stage IV lung adenocarcinoma who was administered alectinib as first-line therapy. Computed tomography (CT) detected asymptomatic ground-glass opacity (GGO) on day 33 of treatment. Alectinib therapy was therefore discontinued for 7 days and then restarted. GGO disappeared, and the progression of ILD ceased. Patient 2 was a 64-year-old woman with an ALK positive lung adenocarcinoma who was administered alectinib as third-line therapy. One year later, CT detected GGO; and she had a slight, nonproductive cough. Alectinib therapy was continued in the absence of other symptoms, and GGO slightly diminished after 7 days. Two months later, CT detected increased GGO, and alectinib therapy was continued. GGO diminished again after 7 days. The patient has taken alectinib for more than 2 years without progression of ILD. CONCLUSIONS: Certain patients with alectinib-induced ILD Grade 2 or less may continue alectinib therapy if they are closely managed. PMID- 29207990 TI - Relevance of matrix metalloproteases in non-small cell lung cancer diagnosis. AB - BACKGROUND: The need for novel biomarkers that could aid in non-small cell lung cancer (NSCLC) detection, together with the relevance of Matrix Metalloproteases (MMPs) -1, -2, -7, -9 and -10 in lung tumorigenesis, prompted us to assess the diagnostic usefulness of these MMPs and the Tissue Inhibitor of Metalloproteinase (TIMP) -1 in NSCLC patients. METHODS: Markers were evaluated in an initial study cohort (19 NSCLC cases and 19 healthy controls). Those that better performed were analyzed in a larger sample including patients with benign lung diseases. Serum MMPs and TIMP-1 were determined by multiplexed immunoassays. Logistic regression was employed for multivariate analysis of biomarker combinations. RESULTS: MMPs and TIMP-1 were elevated in the serum of NSCLC patients compared to healthy controls. MMP-1, -7 and -9 performed at best and were further evaluated in the sample including benign pathologies, corroborating the superiority of MMP-9 in NSCLC discrimination, also at early-stage NSCLC. The optimal diagnostic value was obtained with the model including MMP-9, gender, age and smoking history, that demonstrated an AUC of 0.787, 85.54% sensitivity and 64.89% specificity. CONCLUSION: Our results suggest that MMP-9 is a potential biomarker for NSCLC diagnosis and its combined measurement with other biomarkers could improve NSCLC detection. PMID- 29207992 TI - Correction to: Chronic obstructive pulmonary disease, bronchial asthma and allergic rhinitis in the adult population within the commonwealth of independent states: rationale and design of the CORE study. AB - After publication of this work [1] it was noticed three author names were spelt incorrectly. Liudmila Iashyna should be Liudmyla Iashyna, Marina Polyanskaya should be Maryna Polianska and Elcan Mamamdbayov should be Eljan Mammadbayov. PMID- 29207991 TI - Investigation of c-KIT and Ki67 expression in normal, preneoplastic and neoplastic canine prostate. AB - BACKGROUND: c-KIT expression has been related to bone metastasis in human prostate cancer, but whether c-KIT expression can be similarly classified in canine prostatic tissue is unknown. This study assessed c-KIT and Ki67 expression in canine prostate cancer (PC). c-KIT gene and protein expression and Ki67 expression were evaluated in forty-four canine prostatic tissues by immunohistochemistry, RT-qPCR and western blot. Additionally, we have investigated c-KIT protein expression by immunoblotting in two primary canine prostate cancer cell lines. RESULTS: Eleven normal prostates, 12 proliferative inflammatory atrophy (PIA) prostates, 18 PC, 3 metastatic lesions and two prostate cancer cell cultures (PC1 and PC2) were analysed. The prostatic tissue exhibited varying degrees of membranous, cytoplasmic or membranous/cytoplasmic c KIT staining. Four normal prostates, 4 PIA and 5 prostatic carcinomas showed positive c-KIT expression. No c-KIT immunoexpression was observed in metastases. Canine prostate cancer and PIA samples contained a higher number of Ki67-positive cells compared to normal samples. The median relative quantification (RQ) for c KIT expression in normal, PIA and prostate cancer and metastatic samples were 0.6 (0.1-2.5), 0.7 (0.09-2.1), 0.7 (0.09-5.1) and 0.1 (0.07-0.6), respectively. A positive correlation between the number of Ki67-positive cells and c-KIT transcript levels was observed in prostate cancer samples. In the cell line, PC1 was negative for c-KIT protein expression, while PC2 was weakly positive. CONCLUSION: The present study identified a strong correlation between c-KIT expression and proliferative index, suggesting that c-KIT may influence cell proliferation. Therefore, c-KIT heterogeneous protein expression among the samples (five positive and thirteen negative prostate cancer samples) indicates a personalized approach for canine prostate cancer. PMID- 29207993 TI - Views of policy makers and health promotion professionals on factors facilitating implementation and maintenance of interventions and policies promoting physical activity and healthy eating: results of the DEDIPAC project. AB - BACKGROUND: The uptake, implementation, and maintenance of effective interventions promoting physical activity (PA) and a healthy diet and the implementation of policies targeting these behaviors are processes not well understood. We aimed to gain a better understanding of what health promotion professionals and policy makers think are important factors facilitating adoption, implementation, and maintenance of multi-level interventions and policies promoting healthy eating and PA in Belgium, Germany, Ireland, Norway, and Poland. METHODS: Six interventions and six policies were identified based on pre-defined criteria. Forty semi-structured interviews were conducted with stakeholders from various sectors to elicit information on factors impacting adoption, implementation, and maintenance of these interventions and policies. All interview transcripts were coded in NVivo, using a common categorization matrix. Coding in the respective countries was done by one researcher and validated by a second researcher. RESULTS: Active involvement of relevant stakeholders and good communication between coordinating organizations were described as important factors contributing to successful adoption and implementation of both interventions and policies. Additional facilitating factors included sufficient training of staff and tailoring of materials to match needs of various target groups. The respondents indicated that maintenance of implemented interventions/policies depended on whether they were embedded in existing or newly created organizational structures in different settings and whether continued funding was secured. CONCLUSIONS: Despite considerable heterogeneity of interventions and health policies in the five countries, stakeholders across these countries identify similar factors facilitating adoption, implementation, and maintenance of these interventions and policies. PMID- 29207994 TI - The functional and molecular studies on involvement of hydrogen sulphide in myometrial activity of non-pregnant buffaloes (Bubalus bubalis). AB - BACKGROUND: Hydrogen sulphide (H2S), a member of the gasotransmitters family, is known to play patho-physiological role in different body systems including during pregnancy. But its involvement in myometrial spontaneity and associated signalling pathways in uterus in non-pregnant animals is yet to be studied. Present study describes the effect of L-cysteine, an endogenous H2S donor, on isolated myometrial strips of non-pregnant buffaloes and the underlying signaling mechanism(s). RESULTS: L-cysteine (10 nM-30 mM) produced concentration-dependent contractile effect on buffalo myometrium which was extracellular Ca2+ and L-type calcium channels-dependent. Significant rightward shift of dose-response curve of L-cysteine was observed with significant decrease in maxima in the presence of amino-oxyacetic acid (AOAA; 100 MUM) and d, l-propargylglycine (PAG; 100 MUM), the specific blockers of cystathionine beta-synthase (CBS) and cystathionine gamma-lyase (CSE), respectively. Existence of CBS enzyme of 63 kDa and CSE of 45 kDa molecular weights was confirmed by western blot using specific antibodies and also by immunohistochemistry. CONCLUSIONS: Endogenous H2S along with its biosynthetic enzymes (CBS and CSE) is evidently present in uteri of non-pregnant buffaloes and it regulates spontaneity in uteri of non-pregnant buffaloes and this effect is dependent on extracellular Ca2+ influx through nifedipine sensitive L-type calcium channels. Thus H2S-signalling pathway may be a potential target to alter the uterine activities in physiology and patho-physiolgical states. PMID- 29207995 TI - Physicians using spinal manipulative treatment in The Netherlands: a description of their characteristics and their patients. AB - BACKGROUND: Various health care professionals apply Spinal Manipulative Treatment (SMT) in daily practice. While the characteristics of chiropractors and manual therapists and the characteristics of their patient populations are well described, there is little research about physicians who use SMT techniques. A distinct group of physicians in The Netherlands has been trained in musculoskeletal (MSK) medicine, which includes the use of SMT. Our objective was to describe the characteristics of these physicians and their patient population. METHODS: All registered MSK physicians were approached with questionnaires and telephone interviews to collect data about their characteristics. Data about patient characteristics were extracted from a web-based register. In this register physicians recorded basic patient data (age, gender, the type and duration of the main complaint, concomitant complaints and the type of referral) at the first consultation. Patients were invited to fill in web-based questionnaires to provide baseline data about previous treatments and the severity of their main complaint. Functional impairment was measured with Patient Reported Outcome Measures (PROMs). RESULTS: Questionnaires were sent to 138 physicians of whom 90 responded (65%). Most physicians were trained in MSK medicine after a career in other medical specialities. They reported to combine their SMT treatment with a variety of diagnostic and treatment options part of which were only permissible for physicians, such as prescription medication and injections. The majority of patients presented with complaints of long duration (62.1% > 1 year), most frequently low back pain (48.1%) or neck pain (16.9%), with mean scores of 6.0 and 6.2, respectively, on a 0 to10 numerical rating scale (NRS) for pain intensity. Mean scores on all PROMs showed moderate impairment. Patients most frequently reported previous treatment by physical therapists (68.1%), manual therapists (37.7%) or chiropractors (17.0%). CONCLUSION: Our study showed that MSK physicians in The Netherlands used an array of SMT techniques. They embedded their SMT techniques in a broad array of other diagnostic and treatment options, part of which were limited to medical doctors. Most patients consulted MSK physicians with spinal pain of long duration with moderate functional impairment. PMID- 29207997 TI - Correction to: Effect of inhaled corticosteroid particle size on asthma efficacy and safety outcomes: a systematic literature review and meta-analysis. AB - CORRECTION: After publication of this work [1] it was noticed that the author name Rachael L. DiSantostefano was not spelt correctly as there was a space in her surname between 'Di' and 'Santostefano'. The publisher apologises for this error. PMID- 29207996 TI - CRISPR-Cas9 mediated gene deletions in lager yeast Saccharomyces pastorianus. AB - BACKGROUND: The ease of use of CRISPR-Cas9 reprogramming, its high efficacy, and its multiplexing capabilities have brought this technology at the forefront of genome editing techniques. Saccharomyces pastorianus is an aneuploid interspecific hybrid of Saccharomyces cerevisiae and Saccharomyces eubayanus that has been domesticated for centuries and is used for the industrial fermentation of lager beer. For yet uncharacterised reasons, this hybrid yeast is far more resilient to genetic alteration than its ancestor S. cerevisiae. RESULTS: This study reports a new CRISPR-Cas9 method for accurate gene deletion in S. pastorianus. This method combined the Streptococcus pyogenes cas9 gene expressed from either a chromosomal locus or from a mobile genetic element in combination with a plasmid-borne gRNA expression cassette. While the well-established gRNA expression system using the RNA polymerase III dependent SNR52 promoter failed, expression of a gRNA flanked with Hammerhead and Hepatitis Delta Virus ribozymes using the RNA polymerase II dependent TDH3 promoter successfully led to accurate deletion of all four alleles of the SeILV6 gene in strain CBS1483. Furthermore the expression of two ribozyme-flanked gRNAs separated by a 10-bp linker in a polycistronic array successfully led to the simultaneous deletion of SeATF1 and SeATF2, genes located on two separate chromosomes. The expression of this array resulted in the precise deletion of all five and four alleles mediated by homologous recombination in the strains CBS1483 and Weihenstephan 34/70 respectively, demonstrating the multiplexing abilities of this gRNA expression design. CONCLUSIONS: These results firmly established that CRISPR-Cas9 significantly facilitates and accelerates genome editing in S. pastorianus. PMID- 29207998 TI - Health workers' perceptions of private-not-for-profit health facilities' organizational culture and its influence on retention in Uganda. AB - BACKGROUND: An in-depth understanding of how organizational culture is experienced by health workers (HWs), and influences their decisions to leave their jobs is a fundamental, yet under-examined, basis for forming effective retention strategies. This research examined HWs' working experiences and perceptions of organisational culture within private-not-for-profit, largely mission-based hospitals, and how this influenced retention. METHODS: Thirty-two HWs, including managers, in 19 health facilities in Uganda were interviewed using a semi-structured topic guide. Interview transcripts were analysed using thematic content analysis. RESULTS: Interviews showed that the organizational culture was predominantly hierarchical, with non-participative management styles which emphasized control and efficiency. HWs and managers held different perceptions of the organizational culture. While the managers valued results and performance, HWs valued team work, recognition and participative management. CONCLUSIONS: The findings of this study indicate that organizational culture influences retention of HWs in health facilities and provide a useful context to inform health care managers in the PNFP sub-sector in Uganda and similar contexts. To improve retention of HWs, a gradual shift in organizational culture will be necessary, focussing on the values, beliefs and perceptions which have the greatest influence on observable behaviour. PMID- 29207999 TI - Corticosteroid plus beta2-agonist in a single inhaler as reliever therapy in intermittent and mild asthma: a proof-of-concept systematic review and meta analysis. AB - BACKGROUND: Current guidelines recommend a single inhaler maintenance and reliever therapy (SMART) regimen for moderate to severe asthma. However, evidence for the inhaled corticosteroid plus fast-onset-acting beta2-agonist (ICS/FABA) as reliever therapy in management of intermittent and mild asthma patients is lacking. OBJECTIVE: To systematically explore efficacy and safety of the proof-of concept of the ICS plus FABA regimen in a single inhaler as reliever therapy across children and adults with intermittent and mild persistent asthma. METHODS: We searched online bibliographic databases for randomized controlled trials (RCTs) involving the as-needed use of ICS/FABA as monotherapy in intermittent or mild asthma patients. The primary outcomes were exacerbations and the hazard ratio (HR) of the time to first exacerbation. RESULTS: Six RCTs (n = 1300) met the inclusion criteria. Compared with the as-needed FABA regimen, the as-needed use of ICS/FABA as monotherapy statistically reduced exacerbations (RR = 0.56, P = 0.001). Compared with regular ICS regimen, the as-needed ICS/FABA therapy had slightly higher risk of exacerbations (RR = 1.39, P = 0.011). The HR for time to first exacerbations in the ICS/FABA regimen was significant lower when compared with FABA regimen (HR = 0.52, P = 0.002) but had no difference when compared with ICS regimen (HR = 1.30, P = 0.286). The corticosteroid exposure in the daily ICS regimen was 2- to 5-fold compared with as-needed use of ICS/FABA regimen. CONCLUSIONS: Our analysis shows that the ICS/FABA as a symptom-driven therapy may be a promising alternative regimen for the patients with intermittent or mild asthma, but it needs further real-world RCTs to confirm these findings. PMID- 29208000 TI - Dynamics behind the scale up of evidence-based obesity prevention: protocol for a multi-site case study of an electronic implementation monitoring system in health promotion practice. AB - BACKGROUND: The effectiveness of many interventions to promote health and prevent disease has been well established. The imperative has therefore shifted from amassing evidence about efficacy to scale-up to maximise population-level health gains. Electronic implementation monitoring, or 'e-monitoring', systems have been designed to assist and track the delivery of preventive policies and programs. However, there is little evidence on whether e-monitoring systems improve the dissemination, adoption, and ongoing delivery of evidence-based preventive programs. Also, given considerable difficulties with e-monitoring systems in the clinical sector, scholars have called for a more sophisticated re-examination of e-monitoring's role in enhancing implementation. METHODS: In the state of New South Wales (NSW), Australia, the Population Health Information Management System (PHIMS) was created to support the dissemination of obesity prevention programs to 6000 childcare centres and elementary schools across all 15 local health districts. We have established a three-way university-policymaker-practice research partnership to investigate the impact of PHIMS on practice, how PHIMS is used, and how achievement of key performance indicators of program adoption may be associated with local contextual factors. Our methods encompass ethnographic observation, key informant interviews and participatory workshops for data interpretation at a state and local level. We use an on-line social network analysis of the collaborative relationships across local health district health promotion teams to explore the relationship between PHIMS use and the organisational structure of practice. DISCUSSION: Insights will be sensitised by institutional theory, practice theory and complex adaptive system thinking, among other theories which make sense of socio-technical action. Our working hypothesis is that the science of getting evidence-based programs into practice rests on an in-depth understanding of the role they play in the on-going system of local relationships and multiple accountabilities. Data will be synthesised to produce a typology to characterise local context, PHIMS use and key performance indicator achievement (of program implementation) across the 15 local health districts. Results could be used to continuously align e-monitoring technologies within quality improvement processes to ensure that such technologies enhance practice and innovation. A partnership approach to knowledge production increases the likelihood that findings will be put into practice. PMID- 29208001 TI - Factors associated with infants' and young children's (6-23 months) dietary diversity in Pakistan: evidence from the demographic and health survey 2012-13. AB - BACKGROUND: Optimum nutrition and good feeding practices amongst infants and young children are the key determinants of growth for a healthy life. Dietary diversity is considered to be a reliable and easy-to-measure proxy variable to assess young children's feeding practices for dietary adequacy and nutritional intake. This research aims to examine the current practices of dietary diversity amongst infants and young children aged 6-23 months in Pakistan and the various associated factors at child, maternal, household and community levels. METHODS: Secondary data analysis was performed for this research using the nationally representative dataset of the Pakistan Demographic and Health Survey 2012-13. Data on the last-born infants and young children aged 6-23 months (n = 1102) was taken from their mothers' interviews, who reported on their child's consumption of 7 food groups during the 24 h immediately preceding the survey. Data was analysed, using IBM(r) SPSS(r) Complex Sample to measure the association between children's dietary diversity and various factors at child, maternal, household and community levels through multiple linear regressions. RESULTS: Our research uncovered positive associations between children's dietary diversity and other sociodemographic variables. Overall, a variation was observed in consumption of 7 food groups across the youngest, middle and oldest age-groups of children. Multivariate analysis revealed that the children's Dietary Diversity Score (scale from 0 to 7) increases to 0.56 (95% CI: 0.18-0.94) amongst children in the middle age-group (12-17 months). Furthermore, the children who were still breastfeeding, with mothers who had a primary level of schooling and whose mothers also received information/services from lady health workers (LHWs) on maternal and child health were found to be a statistically significant predictor of infants' and young children's dietary diversity. Nevertheless, amongst them, the DDS had a negative association with the children's status of still breastfeeding and mothers' primary level of schooling, whereas it had a positive association with children being in the middle age-group and with mothers who received information/services from LHWs. CONCLUSION: The dietary diversity of infants and young children aged 6 23 months has a modest, nevertheless statistically significant, relationship with sociodemographic characteristics in Pakistan. There is a need for practical efforts to change the behaviour of communities to encourage more diverse foods to promote the healthy growth of children. PMID- 29208002 TI - EPHA6 rs4857055 C > T polymorphism associates with hypertension through triglyceride and LDL particle size in the Korean population. AB - BACKGROUND: Erythropoietin-producing human hepatocellular (Eph) receptors might contribute to the development of atherosclerosis. A genome-wide association study indicated that the Eph receptor A6 gene (EPHA6) associated with at least 1 blood pressure (BP) phenotype. The objective of the present study was to determine whether EPHA6 is a novel candidate gene for hypertension in a Korean population. METHODS: A total 2146 study participants with normotension and hypertension were included. Genotype data were obtained using a Korean Chip. To assess the association between single-nucleotide polymorphisms (SNPs) and BP, we performed a linear regression analysis, which showed that rs4850755 in the EPHA6 gene was the SNP most highly associated with both systolic and diastolic BP. RESULTS: The presence of the TT genotype of the EPHA6 rs4857055 C > T SNP was associated with a higher risk of hypertension after adjusting for age, sex, body mass index (BMI), smoking, and drinking [odds ratio 1.533, P = 0.001]. In the control group, significant associations were observed between systolic BP and the rs4857055 polymorphism and between diastolic BP and the rs4857055 polymorphism. In the hypertension group, a significant association was observed between systolic BP and the rs4857055 polymorphism. In the hypertension group, subjects with the TT genotype showed significantly higher systolic BP than CC subjects. Additionally, in the hypertension group, TT carriers showed a higher tendency of serum triglyceride (P = 0.069) and significantly higher apolipoprotein B (P = 0.015) and smaller low-density lipoprotein (LDL) particle size (P < 0.001) than either TC or CC subjects. CONCLUSIONS: These results could suggest that the EPHA6 rs4857055 C > T SNP is a novel candidate gene for hypertension in the Korean population. Additionally, the TT genotype could be associated with hypertriglyceridemia and small LDL particle size in hypertension. PMID- 29208003 TI - FOXA1 inhibits hepatocellular carcinoma progression by suppressing PIK3R1 expression in male patients. AB - BACKGROUND: Forkhead box A1 (FOXA1) expression is associated with various types of tumors; however, the function and underlying mechanism of FOXA1 in the development of hepatocellular carcinoma (HCC) remains obscure. METHODS: Here, we investigated the role of FOXA1 in the development of HCC by applying gene function gain and loss analysis to HepG2 and Hep3B cell lines, and comparing outcomes with those of clinical HCC samples. RESULTS: Phosphoinositide-3-kinase regulatory subunit 1 (PIK3R1), which encodes protein PI3Kp85 (p85), was identified as a FOXA1 target gene. Analyses of the mechanism and function revealed that FOXA1 suppresses hepatocellular carcinoma cell viability and motility by inhibiting PI3K/Akt signaling through direct inhibition of PIK3R1 transcription. Moreover, in clinical samples from male HCC patients, FOXA1 expression was much lower, whereas PI3Kp85 levels were much higher in tumor than in non-tumor tissues. Elevated PI3Kp85 is an unfavorable factor in HCC. CONCLUSIONS: As a tumor suppressor, FOXA1 targets PIK3R1 directly to inhibit PI3K/Akt signaling pathway, thus exerting a negative regulatory effect on proliferation, migration, and invasion of HCC in male patients. PMID- 29208004 TI - Psychometric properties of the single-item measure, severity of worst tiredness, in patients with moderately to severely active rheumatoid arthritis. AB - BACKGROUND: To assess the reliability, validity, and responsiveness to treatment change of the single-item measure, Severity of Worst Tiredness, in patients with rheumatoid arthritis (RA). METHODS: Data from two Phase 3, randomized, placebo controlled (RA-BUILD; and active-controlled [RA-BEAM]), clinical studies of the efficacy of baricitinib in adults with moderately to severely active RA were used. The psychometric properties of the single-item measure, Severity of Worst Tiredness, were assessed, including test-retest reliability, convergent and discriminant validity, known-groups validity, and responsiveness, using other patient- and clinician-reported outcomes frequently assessed in RA patients. RESULTS: Test-retest reliability of the Severity of Worst Tiredness was supported through large intraclass correlation coefficients (0.89 <= ICC <= 0.91). Moderate to-large correlations were observed between this patient-reported outcome (PRO) and other related patient- and clinician-reported assessments of RA symptoms and patient functioning, supporting construct validity of the measure (?r? >= 0.41). The instrument also displayed known-groups validity through statistically significant differences between mean values of the Severity of Worst Tiredness defined using other indicators of RA severity. Finally, responsiveness was supported by large and statistically significant differences in change scores from Day 1 to Week 12 for patients comparing responders and nonresponders using the American College of Rheumatology 20 (ACR20) criteria. CONCLUSION: The Severity of Worst Tiredness PRO demonstrated adequate reliability, validity, and responsiveness in clinical trials of adults with moderately to severely active RA and is fit for purpose in this patient population. PMID- 29208005 TI - Recovery after critical illness: putting the puzzle together-a consensus of 29. AB - In this review, we seek to highlight how critical illness and critical care affect longer-term outcomes, to underline the contribution of ICU delirium to cognitive dysfunction several months after ICU discharge, to give new insights into ICU acquired weakness, to emphasize the importance of value-based healthcare, and to delineate the elements of family-centered care. This consensus of 29 also provides a perspective and a research agenda about post-ICU recovery. PMID- 29208006 TI - Identification and validation of a 44-gene expression signature for the classification of renal cell carcinomas. AB - BACKGROUND: Renal cancers account for more than 3% of all adult malignancies and cause more than 23,400 deaths per year in China alone. The four most common types of kidney tumours include clear cell, papillary, chromophobe and benign oncocytoma. These histological subtypes vary in their clinical course and prognosis, and different clinical strategies have been developed for their management. Some kidney tumours can be very difficult to distinguish based on the pathological assessment of morphology and immunohistochemistry. METHODS: Six renal cell carcinoma microarray data sets, including 106 clear cell, 66 papillary, 42 chromophobe, 46 oncocytoma and 35 adjacent normal tissue samples, were subjected to integrative analysis. These data were combined and used as a training set for candidate gene expression signature identification. In addition, two independent cohorts of 1020 RNA-Seq samples from The Cancer Genome Atlas database and 129 qRT-PCR samples from Fudan University Shanghai Cancer Center (FUSCC) were analysed to validate the selected gene expression signature. RESULTS: A 44-gene expression signature derived from microarray analysis was strongly associated with the histological differentiation of renal tumours and could be used for tumour subtype classification. The signature performance was further validated in 1020 RNA-Seq samples and 129 qRT-PCR samples with overall accuracies of 93.4 and 93.0%, respectively. CONCLUSIONS: A 44-gene expression signature that could accurately discriminate renal tumour subtypes was identified in this study. Our results may prompt further development of this gene expression signature into a molecular assay amenable to routine clinical practice. PMID- 29208007 TI - A pilot study to determine the effect of one physical therapy session on physical activity levels for individuals with chronic low back pain. AB - BACKGROUND: A pilot study was conducted to quantify the effect size of changes in physical activity after of one session of physical therapy for individuals with chronic low back pain and to determine factors that predict daily sedentary activity time. METHODS: Fourteen subjects with at least 3 days of physical activity accelerometer data were analyzed before and after one session of physical therapy. Data was analyzed using 1-tailed, paired t-tests with level of significance set at 0.05. Effect sizes were computed using the baseline and post intervention mean differences divided by the baseline and post-intervention differences in the standard deviation. RESULTS: A nonsignificant reduction in steps-per-day and time spent performing sedentary activities, with increases in light and moderate-vigorous physical activity were found (effect size: 0.15 0.33). A nonsignificant decrease in daily sitting and standing time 1 week immediately following the physical therapy session and an increase in daily lying time (p = 0.03) (effect size: 0.23-0.69) were found. CONCLUSION: One physical therapy session resulted in a small physical activity change for individuals with chronic low back pain. Baseline and post intervention levels of pain catastrophisation and perceptions of disability need to be explored in future studies to determine if these are factors that influence levels of physical activity change for these individuals Results are limited by the small sample size, however the ability to increase physical activity in this population may be of clinical relevance. Trial Registration NCT02823756; June 30, 2016: Retrospectively Registered. PMID- 29208009 TI - Troglostrongylus brevior: a new parasite for Romania. AB - BACKGROUND: The genus Troglostrongylus includes nematodes infecting domestic and wild felids. Troglostrongylus brevior was described six decades ago in Palestine and subsequently reported in some European countries (Italy, Spain, Greece, Bulgaria, and Bosnia and Herzegovina). As the diagnosis by the first-stage larvae (L1) may be challenging, there is a possibility of confusion with Aelurostrongylus abstrusus. Hence, the knowledge on the distribution of this neglected feline parasite is still scarce. The present paper reports the first case of T. brevior infection in Romania. In July 2017, a road-killed juvenile male Felis silvestris, was found in in Covasna County, Romania. A full necropsy was performed and the nematodes were collected from the trachea and bronchioles. Parasites were sexed and identified to species level, based on morphometrical features. A classical Baermann method was performed on the lungs and the faeces to collect the metastrongyloid larvae. Genomic DNA was extracted from an adult female nematode. Molecular identification was accomplished with a PCR assay targeting the ITS2 of the rRNA gene. RESULTS: Two males and one female nematodes were found in the trachea and bronchioles. They were morphologically and molecularly identified as T. brevior. The first-stage larvae (L1) recovered from the lung tissue and faeces were morphologically consistent with those of T. brevior. No other pulmonary nematodes were identified and no gross pulmonary lesions were observed. CONCLUSIONS: This paper represents the first report of Troglostrongylus brevior infection in Romania, so far representing the second northernmost location for this genus in Europe. The diversity of species infecting wild and domestic felids and the differences regarding the clinical significance of these nematodes highlight the need for a more intense surveillance and proper diagnosis of feline lungworm infections, especially in countries where more species were demonstrated to be present. Furthermore, an increased awareness between clinicians is needed for a correct diagnostic approach to feline lungworm diagnosis. PMID- 29208008 TI - "I just feel comfortable out here, there's something about the place": staff and client perceptions of a remote Australian Aboriginal drug and alcohol rehabilitation service. AB - BACKGROUND: The need for effective, culturally safe residential rehabilitation services for Aboriginal people is widely acknowledged, however the combination of treatment components that is optimally effective, is not well defined. Most existing Aboriginal residential rehabilitation research has focused on describing client characteristics, and largely ignored the impact of treatment and service factors, such as the nature and quality of therapeutic components and relationships with staff. METHODS: This qualitative study was undertaken as part of a three-year mixed methods community-based participatory research (CBPR) project that aimed to empirically describe a remote Aboriginal drug and alcohol rehabilitation service. Researchers utilised purposive sampling to conduct 21 in depth, semi-structured interviews. The interviews used a 'research yarning' approach, a form of culturally appropriate conversation that is relaxed and narrative-based. The interview transcripts were thematically coded using iterative categorization. The emerging themes were then analysed from an Interpretative Phenomenological Analysis, focusing on how participants' lived experiences before and during their admission to the service shaped their perceptions of the program. RESULTS: A total of 12 clients (mean age 35 years, SD 9.07, 91% Aboriginal) and 9 staff (2 female, 7 male, mean age 48 years, SD 8.54, 67% Aboriginal) were interviewed. Five themes about specific program components were identified in the interview data: healing through culture and country; emotional safety and relationships; strengthening life skills; improved wellbeing; and perceived areas for improvement. This research found that Aboriginal drug and alcohol residential rehabilitation is not just about length of time in treatment, but also about the culture, activities and relationships that are part of the treatment process. CONCLUSION: This study highlights that cultural elements were highly valued by both clients and staff of a remote Aboriginal residential rehabilitation service, with the country or location being fundamental to the daily practice of, and access to, culture. Developing reliable and valid assessments of the program components of culture and treatment alliance would be valuable, given this study has reinforced their perceived importance in achieving positive treatment outcomes. Further, strengthening the aftercare program, as part of an integrated model of care, would likely provide greater support to clients after discharge. PMID- 29208010 TI - Prediction of progression of damage to articular cartilage 2 years after anterior cruciate ligament reconstruction: use of aggrecan and type II collagen biomarkers in a retrospective observational study. AB - BACKGROUND: We aimed to determine whether synovial fluid (SF) biomarkers can predict the progression of articular cartilage damage as determined by arthroscopic evaluation during and after anterior cruciate ligament (ACL) reconstruction. METHODS: Arthroscopic assessment of articular cartilage damage was performed twice in 62 patients, first during ACL reconstruction and then approximately 2 years later during implant removal for ligament fixation. SF levels of the collagenase-generated cleavage neoepitope of type II collagen (C2C) and proteoglycan glycosaminoglycans keratan sulfate (KS), chondroitin-4-sulfate (Deltadi-C4S), and chondroitin-6-sulfate (Deltadi-C6S) were measured at ACL reconstruction. Associations between baseline biomarker levels and subsequent progression of cartilage damage were determined using receiver operating characteristic analysis and multivariable logistic regression analysis. RESULTS: No radiographic changes were observed in any of the patients. Progression of high grade cartilage damage, observed arthroscopically, was negatively correlated with levels of Deltadi-C6S and KS, as well as the ratio of Deltadi-C6S to Deltadi-C4S (C6S/C4S). Logistic regression analysis revealed significant associations of Deltadi-C6S (cut-off: 55.7 nmol/ml, odds ratio (OR) 0.231, 95% confidence interval (CI) 0.061-0.879), KS (cut-off: 10.6 MUg/ml, OR 0.114, 95% CI 0.024 0.529), and C6S/C4S ratio (cut-off: 4.6, OR 0.060, 95% CI 0.005-0.737) with the progression of high-grade cartilage damage after adjusting for age, the duration from injury to first surgery, sex, and the number of high-grade lesions (grades III and IV) at baseline. CONCLUSIONS: The progression of high-grade cartilage damage was significantly associated with baseline levels of proteoglycan glycosaminoglycan biomarkers; namely, Deltadi-C6S, KS, and C6S/C4S ratio. PMID- 29208011 TI - Babesia vesperuginis, a neglected piroplasmid: new host and geographical records, and phylogenetic relations. AB - BACKGROUND: Babesia spp. are hemoparasites which infect the red blood cells of a large variety of mammals. In bats, the only known species of the genus is Babesia vesperuginis. However, except a few old reports, the host range and geographical distribution of this bat parasite have been poorly studied. This study aimed to investigate the presence of piroplasms in tissues of bats collected in four different countries from eastern and central Europe: Austria, Czech Republic, Hungary and Romania. METHODS: A total of 461 bat carcasses (24 species) were collected between 2001 and 2016 from caves, mines and buildings. PCR was performed using specific primers targeting a portion of the 18S rDNA nuclear gene and cytochrome c oxidase subunit 1 mitochondrial gene, followed by sequencing. RESULTS: The results of this study show for the first time the presence of B. vesperuginis in bats in central and eastern Europe. The phylogenetic analysis of the 18S rDNA nuclear gene revealed no variability between the sequences and the phylogenetic analysis of the cox1 mitochondrial gene proved that B. vesperuginis could be divided into two subclades. CONCLUSION: Our study showed a broad geographical distribution of B. vesperuginis in European bats, reporting its presence in five new host species (M. cf. alcathoe, M. bechsteinii, M. myotis, Pi. nathusii and V. murinus) and three new countries. PMID- 29208012 TI - Pho dynamically interacts with Spt5 to facilitate transcriptional switches at the hsp70 locus. AB - BACKGROUND: Numerous target genes of the Polycomb group (PcG) are transiently activated by a stimulus and subsequently repressed. However, mechanisms by which PcG proteins regulate such target genes remain elusive. RESULTS: We employed the heat shock-responsive hsp70 locus in Drosophila to study the chromatin dynamics of PRC1 and its interplay with known regulators of the locus before, during and after heat shock. We detected mutually exclusive binding patterns for HSF and PRC1 at the hsp70 locus. We found that Pleiohomeotic (Pho), a DNA-binding PcG member, dynamically interacts with Spt5, an elongation factor. The dynamic interaction switch between Pho and Spt5 is triggered by the recruitment of HSF to chromatin. Mutation in the protein-protein interaction domain (REPO domain) of Pho interferes with the dynamics of its interaction with Spt5. The transcriptional kinetics of the heat shock response is negatively affected by a mutation in the REPO domain of Pho. CONCLUSIONS: We propose that a dynamic interaction switch between PcG proteins and an elongation factor enables stress inducible genes to efficiently switch between ON/OFF states in the presence/absence of the activating stimulus. PMID- 29208013 TI - Patients and surgeons provide endorsement of core domains for total joint replacement clinical trials. AB - BACKGROUND: Our objective in this study was to examine whether stakeholders further endorse the core domain set proposed by the Outcome Measures in Rheumatology Trials (OMERACT) total joint replacement (TJR) working group. METHODS: We emailed a survey to 3810 hip/knee arthroplasty patients and 49 arthroplasty surgeons at a high-volume arthroplasty center to rate the importance of each core domain (i.e., pain, function, patient satisfaction, revision surgery, adverse events, and death) and two additional domains (i.e., cost and participation). Ratings were on a 1-9 scale, with 1-3 indicating limited or no importance for patients, 4-6 being important but not critical, and 7-9 being critical. We calculated median (IQR) values and compared ratings by sex, age, and participant type using the Wilcoxon rank-sum test. RESULTS: The questionnaire was completed by 1295 patients (34%) and 21 surgeons (43%). Patient nonresponders were similar to responders in age (>=55 years, 85.7% vs. 88.6%), sex (female, 57.5% vs. 57.3%), and joint procedure (total hip replacement, 56.9% vs. 63.2%). Overall, all core domains and one noncore domain (i.e., participation) were confirmed as "critical" by both stakeholder groups. Cost was rated as only "important" but not "critical" by surgeons. A completed consensus for all the core domains persisted even when we stratified by sex, age, arthritis type, and the affected joint (knee vs. hip). We received suggestions for additional critical domains from 217 patients and 5 surgeons, prompting the inclusion of 2 research agenda items. CONCLUSIONS: Our study confirmed a consensus rating of the OMERACT TJR core domain set as critical for patients. This broad endorsement should encourage the identification of candidate outcome instruments to further develop a TJR core measurement set that can harmonize reporting in TJR clinical trials. PMID- 29208014 TI - Plasma C4d as marker for lupus nephritis in systemic lupus erythematosus. AB - BACKGROUND: In the present study, we sought to evaluate the complement activation product C4d as a marker for lupus nephritis in systemic lupus erythematosus (SLE). METHODS: C4d levels were determined by enzyme-linked immunosorbent assay in plasma samples of patients with established SLE using a novel approach based on detection of a short linear cleavage neoepitope. Cross-sectional associations were studied in 98 patients with SLE with samples taken at lower or higher respective disease activity. Temporal associations were investigated in 69 patients with SLE who were followed longitudinally for up to 5 years. Plasma samples from 77 healthy donors were included as controls. RESULTS: C4d levels were negligible in healthy control subjects and significantly increased in patients with SLE in the cross-sectional study (p < 0.0001). C4d levels discriminated between higher and lower disease activity according to ROC curve analysis (p < 0.001), exhibiting a positive predictive value of 68%. At higher disease activity, C4d levels correlated with the modified Systemic Lupus Erythematosus Disease Activity Index (p = 0.011) and predominantly with lupus nephritis (p = 0.003), exhibiting a sensitivity of 79% to identify patients with nephritis. High C4d levels together with the presence of anti-dsDNA autoantibodies preceded and thus predicted future lupus nephritis in the longitudinal study (OR 5.4, 95% CI 1.4-21.3). When we considered only patients with renal involvement (19 of 69) during the longitudinal study, we found that high C4d levels alone could forecast recurrence of future lupus nephritis (OR 3.3, 95% CI 1.2-9.6). CONCLUSIONS: C4d appears to be a valuable marker for use in monitoring of patients with SLE, particularly for lupus nephritis. Importantly, C4d levels can predict impending flares of lupus nephritis and may thus be useful for informing treatment. PMID- 29208015 TI - Molecular etiological profile of atypical bacterial pathogens, viruses and coinfections among infants and children with community acquired pneumonia admitted to a national hospital in Lima, Peru. AB - OBJECTIVE: The main objective of this study was to detect the presence of 14 respiratory viruses and atypical bacteria (Mycoplasma pneumoniae, Chlamydia pneumoniae), via polymerase chain reaction in patients under 18 years old hospitalized due to community-acquired pneumonia (CAP) from Lima, Peru. RESULTS: Atypical pathogens were detected in 40% (58/146); viral etiologies in 36% (52/146) and coinfections in 19% (27/146). The most common etiological agent was M. pneumoniae (n = 47), followed by C. pneumoniae (n = 11). The most frequent respiratory viruses detected were: respiratory syncytial virus A (n = 35), influenza virus C (n = 21) and parainfluenza virus (n = 10). Viral-bacterial and bacterium-bacterium coinfections were found in 27 cases. In our study population, atypical bacteria (40%) were detected as frequently as respiratory viruses (36%). The presence of M. pneumoniae and C. pneumoniae should not be underestimated as they can be commonly isolated in Peruvian children with CAP. PMID- 29208016 TI - Production and characterization of anti-Campylobacter jejuni IgY derived from egg yolks. AB - BACKGROUND: Campylobacter jejuni is a major cause of foodborne disease having chickens as an important reservoir. Its control at the farm would lower the contamination of the final products and therefore also lower the risk of transmission to humans. At the farm, C. jejuni is rarely found in chickens before they reach 2 weeks of age. Past studies have shown that maternal antibodies could hamper C. jejuni gut colonization. The objective of this study was to compare protocols to use in order to produce anti-C. jejuni antibodies derived from egg yolks in the perspective to be used as feed additives for the control of chicken C. jejuni colonization. Laying hens were naturally contaminated with four well characterized strains or injected with either outer membrane proteins or formalin killed whole bacteria derived from these same strains. Eggs were collected and IgYs present in the yolks were extracted. The amount and the specificity of the recovered antibodies were characterized. RESULTS: It was observed that injection yielded eggs with superior concentrations of both total and anti-C. jejuni antibodies. Equivalent performances for antibodies recovered from all protocols were observed for the ability of the antibodies to agglutinate the live C. jejuni homologous strains, to hinder their motility or to lyse the bacteria. Western blot analyses showed that proteins from all strains could be recognized by all IgY extracts. All these characteristics were strain specific. The characterization assays were also made for heterologous strains and weaker results were observed when compared to the homologous strains. CONCLUSIONS: Based on these results, only an IgY quantitative based selection can be made in regards to which protocol would give the best anti-C. jejuni IgY enriched egg-yolks as all tested protocols were equivalent in terms of the recovered antibody ability to recognized the tested C. jejuni strains. PMID- 29208017 TI - A multisession evaluation of an adaptive competitive arm rehabilitation game. AB - BACKGROUND: People with neurological injuries such as stroke should exercise frequently and intensely to regain their motor abilities, but are generally hindered by lack of motivation. One way to increase motivation in rehabilitation is through competitive exercises, but such exercises have only been tested in single brief sessions and usually did not adapt difficulty to the patient's abilities. METHODS: We designed a competitive arm rehabilitation game for two players that dynamically adapts its difficulty to both players' abilities. This game was evaluated by two participant groups: 15 participants with chronic arm impairment who exercised at home with an unimpaired friend or relative, and 20 participants in the acute or subacute phase of stroke who exercised in pairs (10 pairs) at a rehabilitation clinic. All participants first played the game against their human opponent for 3 sessions, then played alone (against a computer opponent) in the final, fourth session. In all sessions, participants' subjective experiences were assessed with the Intrinsic Motivation Inventory questionnaire while exercise intensity was measured using inertial sensors built into the rehabilitation device. After the fourth session, a final brief questionnaire was used to compare competition and exercising alone. RESULTS: Participants who played against an unimpaired friend or relative at home tended to prefer competition (only 1 preferred exercising alone), and exhibited higher enjoyment and exercise intensity when competing (first three sessions) than when exercising alone (last session). Participants who played against each other in the clinic, however, did not exhibit significant differences between competition and exercising alone. For both groups, there was no difference in enjoyment or exercise intensity between the first three sessions, indicating no negative effects of habituation or novelty. CONCLUSIONS: Competitive exercises have high potential for unsupervised home rehabilitation, as they improve enjoyment and exercise intensity compared to exercising alone. Such exercises could thus improve rehabilitation outcome, but this needs to be tested in long-term clinical trials. It is not clear why participants who competed against each other at the clinic did not exhibit any advantages of competition, and further studies are needed to determine how different factors (environment, nature of opponent etc.) influence patients' experiences with competitive exercises. TRIAL REGISTRATION: The study is not a clinical trial. While human subjects are involved, they do not participate in a full rehabilitation intervention, and no health outcomes are examined. PMID- 29208018 TI - Noise exposure during prehospital emergency physicians work on Mobile Emergency Care Units and Helicopter Emergency Medical Services. AB - BACKGROUND: Prehospital personnel are at risk of occupational hearing loss due to high noise exposure. The aim of the study was to establish an overview of noise exposure during emergency responses in Mobile Emergency Care Units (MECU), ambulances and Helicopter Emergency Medical Services (HEMS). A second objective was to identify any occupational hearing loss amongst prehospital personnel. METHODS: Noise exposure during work in the MECU and HEMS was measured using miniature microphones worn laterally to the auditory canals or within the earmuffs of the helmet. All recorded sounds were analysed in proportion to a known tone of 94 dB. Before and after episodes of noise exposure, the physicians underwent a hearing test indicating whether the noise had had any impact on the function of the outer sensory hair cells. This was accomplished by measuring the amplitude level shifts of the Distortion Product Otoacoustic Emissions. Furthermore, the prehospital personnels' hearing was investigated using pure-tone audiometry to reveal any occupational hearing loss. All prehospital personnel were compared to ten in-hospital controls. RESULTS: Our results indicate high noise exposure levels of >=80 dB(A) during use of sirens on the MECU and during HEMS operations compared to in-hospital controls (70 dB(A)). We measured an exposure up to >=90 dB(A) under the helmet for HEMS crew. No occupational hearing loss was identified with audiometry. A significant level shift of the Distortion Product Otoacoustic Emissions at 4 kHz for HEMS crew compared to MECU physicians was found indicating that noise affected the outer hair cell function of the inner ear, thus potentially reducing the hearing ability of the HEMS crew. DISCUSSION: Further initiatives to prevent noise exposure should be taken, such as active noise reduction or custom-made in-ear protection with communication system for HEMS personnel. Furthermore, better insulation of MECU and ambulances is warranted. CONCLUSION: We found that the exposure levels exceeded the recommendations described in the European Regulative for Noise, which requires further protective initiatives. Although no hearing loss was demonstrated in the personnel of the ground-based units, a reduced function of the outer sensory hair cells was found in the HEMS group following missions. PMID- 29208019 TI - Correlation between quantitative analysis of wall shear stress and intima-media thickness in atherosclerosis development in carotid arteries. AB - BACKGROUND: This paper presents quantitative analysis of blood flow shear stress by measuring the carotid arterial wall shear stress (WSS) and the intima-media thickness (IMT) of experimental rabbits fed with high-fat feedstuff on a weekly basis in order to cause atherosclerosis. METHODS: This study is based on establishing an atherosclerosis model of high-fat rabbits, and measuring the rabbits' common carotid arterial WSS of the experimental group and control group on a weekly basis. Detailed analysis was performed by using WSS quantification. RESULTS: We have demonstrated small significant difference of rabbit carotid artery WSS between the experimental group and the control group (P<0.01) from the 1st week onwards, while the IMT of experimental group had larger differences from 5th week compared with the control group (P<0.05). Next, we have shown that with increasing blood lipids, the rabbit carotid artery shear stress decreases and the rabbit carotid artery IMT goes up. The decrease of shear stress appears before the start of IMT growth. Furthermore, our receiver operator characteristic (ROC) curve analysis showed that when the mean value of shear stress is 1.198 dyne/cm2, the rabbit common carotid atherosclerosis fatty streaks sensitivity is 89.8%, and the specificity is 81.3%. The area under the ROC curve is 0.9283. CONCLUSIONS: All these data goes to show that WSS decreasing to 1.198 dyne/cm2 can be used as an indicator that rabbit common carotid artery comes into the period of fibrous plaques. In conclusion, our study is able to find and confirm that the decrease of the arterial WSS can predict the occurrence of atherosclerosis earlier, and offer help for positive clinical intervention. PMID- 29208020 TI - Mapping upper-limb motor performance after stroke - a novel method with utility for individualized motor training. AB - BACKGROUND: Chronic upper limb motor impairment is a common outcome of stroke. Therapeutic training can reduce motor impairment. Recently, a growing interest in evaluating motor training provided by robotic assistive devices has emerged. Robot-assisted therapy is attractive because it provides a means of increasing practice intensity without increasing the workload of physical therapists. However, movements practised through robotic assistive devices are commonly pre defined and fixed across individuals. More optimal training may result from individualizing the selection of the trained movements based on the individual's impairment profile. This requires quantitative assessment of the degree of the motor impairment prior to training, in relevant movement tasks. However, standard clinical measures for profiling motor impairment after stroke are often subjective and lack precision. We have developed a novel robot-mediated method for systematic and fine-grained mapping (or profiling) of individual performance across a wide range of planar arm reaching movements. Here we describe and demonstrate this mapping method and its utilization for individualized training. We also present a novel principle for the individualized selection of training movements based on the performance maps. METHODS AND RESULTS: To demonstrate the utility of our method we present examples of 2D performance maps produced from the kinetic and kinematics data of two individuals with stroke-related upper limb hemiparesis. The maps outline distinct regions of high motor impairment. The procedure of map-based selection of training movements and the change in motor performance following training is demonstrated for one participant. CONCLUSIONS: The performance mapping method is feasible to produce (online or offline). The 2D maps are easy to interpret and to be utilized for selecting individual performance-based training. Different performance maps can be easily compared within and between individuals, which potentially has diagnostic utility. PMID- 29208021 TI - Alliance members' roles in collective field-building: an assessment of leadership and championship within the Population Health Intervention Research Initiative for Canada. AB - BACKGROUND: The Population Health Intervention Research Initiative for Canada (PHIRIC) is a multi-stakeholder alliance founded in 2006 to advance population health intervention research (PHIR). PHIRIC aimed to strengthen Canada's capacity to conduct and use such research to inform policy and practice to improve the public's health by building PHIR as a field of research. In 2014, an evaluative study of PHIRIC at organisational and system levels was conducted, guided by a field-building and collaborative action perspective. METHODS: The study involved 17 qualitative key informant interviews with 21 current and former PHIRIC Planning Committee and Working Group members. The interviews examined how individuals and organisations were acting as champions and exerting leadership in building the field of PHIR. RESULTS: Founding PHIRIC organisational members have been championing PHIR at organisational and system levels. While the PHIR field has progressed in terms of enhanced funding, legitimacy, profile and capacity, some members and organisations faced constraints and challenges acting as leaders and champions in their respective environments. Expectations about the future of PHIRIC and field-building of PHIR were mixed, where longer-term and founding members of PHIRIC expressed more optimism than recent members. All agreed on the need for incorporating perspectives of decision-makers into PHIR directions and initiatives. CONCLUSIONS: The findings contribute to understanding alliance members' roles in leadership and championship for field-building more generally, and for population health and PHIR specifically. Building this field requires multi-level efforts, collaborative action and distributed leadership to create the necessary conditions for PHIRIC members to both benefit from and contribute to advancing PHIR as a field. Lessons from this 'made in Canada' model may be of interest to other countries regarding the structures needed for PHIR field building. PMID- 29208022 TI - Role of endoplasmic reticulum stress in the protective effects of PPARbeta/delta activation on endothelial dysfunction induced by plasma from patients with lupus. AB - BACKGROUND: We tested whether GW0742, a peroxisome proliferator-activated receptor beta/delta (PPARbeta/delta) agonist, improves endothelial dysfunction induced by plasma from patients with systemic lupus erythematosus (SLE) involving the inhibition of endoplasmic reticulum (ER) stress. METHODS: A total of 12 non pregnant women with lupus and 5 non-pregnant healthy women (controls) participated in the study. Cytokines and double-stranded DNA autoantibodies (anti dsDNA) were tested in plasma samples. Endothelial cells, isolated from human umbilical cord veins (HUVECs), were used to measure nitric oxide (NO), intracellular reactive oxygen species (ROS) production, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity, and ER stress markers. RESULTS: Interferon-gamma, interleukin-6, and interleukin-12 levels were significantly increased in plasma from patients with SLE with active nephritis (AN), as compared to both patients with SLE with inactive nephritis (IN) and the control group. The NO production stimulated by both the calcium ionophore A23187 and insulin was significantly reduced in HUVECs incubated with plasma from patients with AN-SLE as compared with the control group. Plasma from patients with IN-SLE did not modify A23187-stimulated NO production. Increased ROS production and NADPH oxidase activity were found in HUVECs incubated with plasma from patients with AN-SLE, which were suppressed by the ER stress inhibitor 4-PBA and the NADPH oxidase inhibitors, apocynin and VAS2870. GW0742 incubation restored the impaired NO production, the increased ROS levels, and the increased ER stress markers induced by plasma from patients with AN-SLE. These protective effects were abolished by the PPARbeta/delta antagonist GSK0660 and by silencing PPARbeta/delta. CONCLUSIONS: PPARbeta/delta activation may be an important target to control endothelial dysfunction in patients with SLE. PMID- 29208023 TI - Comparison of 2002 AECG and 2016 ACR/EULAR classification criteria and added value of salivary gland ultrasonography in a patient cohort with suspected primary Sjogren's syndrome. AB - BACKGROUND: The objective was to evaluate concordance between 2002 American European Consensus Group (AECG) and 2016 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) classification criteria for primary Sjogren's syndrome (pSS) and to assess how salivary gland ultrasonography (SGUS) might improve the classification of patients. METHODS: Patients with suspected pSS underwent a standardised evaluation, including SGUS, at inclusion into the single-centre Brittany DIApSS cohort. Agreement between the two criteria sets was assessed using Cohen's kappa coefficient. Characteristics of discordantly categorised patients were detailed. RESULTS: We prospectively included 290 patients between 2006 and 2016, among whom 125 (43%) met ACR/EULAR criteria and 114 (39%) also met AECG criteria; thus, 11 (4%) patients fulfilled only ACR/EULAR, no patients AECG only, and 165 (57%) patients neither criteria set. Concordance was excellent (kappa = 0.92). Compared to patients fulfilling both criteria sets, the 11 patients fulfilling only ACR/EULAR criteria had similar age and symptom duration but lower frequencies of xerophthalmia and xerostomia (p < 0.01 for each) and salivary gland dysfunction (p < 0.01); most had systemic involvement (91%), including three (27%) with no sicca symptoms; 91% had abnormal salivary gland biopsy and 46% anti-Sjogren's-syndrome-related antigen A (anti-SSA); 64% were diagnosed with pSS by the physician. SGUS was abnormal in 12% of the 165 patients fulfilling no criteria set. Including SGUS among the ACR/EULAR criteria increased sensitivity from 87.4% to 91.1% when physician diagnosis was the reference standard. CONCLUSIONS: Agreement between AECG and ACR/EULAR criteria sets is excellent. ACR/EULAR criteria are slightly more sensitive and classified some patients without sicca symptoms as having pSS. Including SGUS in the ACR/EULAR criteria may further improve their sensitivity. PMID- 29208024 TI - Selection of a suitable reference gene for quantitative gene expression in mouse lymph nodes after vaccination. AB - BACKGROUND: The quantification of gene expression is an important tool in the evaluation of the immune response to vaccines. Reliable reference genes for gene expression studies in mouse draining lymph nodes after vaccination have not been reported. RESULTS: The utility of seven potential reference genes was investigated using commercially available Taq-man primer/probe mixes. Results were evaluated with RefFinder, a web-based program including multiple algorithm methods such as geNorm, NormFinder, BestKeeper and the comparative delta-Ct. Further assessment was done by applying the candidate reference genes in relative expression calculations with genes related to the magnitude and longevity of the humoral immune responses. The ubiquitin C gene, Ubc, was found to be the most reliable reference gene when validated with well-known genes that are expressed at relatively low levels after vaccination. The optimal time of sample collection varied depending on the function of the target genes. CONCLUSIONS: This study identified Ubc as the most reliable reference gene and provides useful information for studies examining immunological gene expression in the draining lymph nodes after vaccination in mice. PMID- 29208025 TI - Change in cardiac output during Trendelenburg maneuver is a reliable predictor of fluid responsiveness in patients with acute respiratory distress syndrome in the prone position under protective ventilation. AB - BACKGROUND: Predicting fluid responsiveness may help to avoid unnecessary fluid administration during acute respiratory distress syndrome (ARDS). The aim of this study was to evaluate the diagnostic performance of the following methods to predict fluid responsiveness in ARDS patients under protective ventilation in the prone position: cardiac index variation during a Trendelenburg maneuver, cardiac index variation during an end-expiratory occlusion test, and both pulse pressure variation and change in pulse pressure variation from baseline during a tidal volume challenge by increasing tidal volume (VT) to 8 ml.kg-1. METHODS: This study is a prospective single-center study, performed in a medical intensive care unit, on ARDS patients with acute circulatory failure in the prone position. Patients were studied at baseline, during a 1-min shift to the Trendelenburg position, during a 15-s end-expiratory occlusion, during a 1-min increase in VT to 8 ml.kg-1, and after fluid administration. Fluid responsiveness was deemed present if cardiac index assessed by transpulmonary thermodilution increased by at least 15% after fluid administration. RESULTS: There were 33 patients included, among whom 14 (42%) exhibited cardiac arrhythmia at baseline and 15 (45%) were deemed fluid-responsive. The area under the receiver operating characteristic (ROC) curve of the pulse contour-derived cardiac index change during the Trendelenburg maneuver and the end-expiratory occlusion test were 0.90 (95% CI, 0.80-1.00) and 0.65 (95% CI, 0.46-0.84), respectively. An increase in cardiac index >= 8% during the Trendelenburg maneuver enabled diagnosis of fluid responsiveness with sensitivity of 87% (95% CI, 67-100), and specificity of 89% (95% CI, 72-100). The area under the ROC curve of pulse pressure variation and change in pulse pressure variation during the tidal volume challenge were 0.52 (95% CI, 0.24-0.80) and 0.59 (95% CI, 0.31-0.88), respectively. CONCLUSIONS: Change in cardiac index during a Trendelenburg maneuver is a reliable test to predict fluid responsiveness in ARDS patients in the prone position, while neither change in cardiac index during end-expiratory occlusion, nor pulse pressure variation during a VT challenge reached acceptable predictive performance to predict fluid responsiveness in this setting. TRIAL REGISTRATION: ClinicalTrials.gov, NCT01965574 . Registered on 16 October 2013. The trial was registered 6 days after inclusion of the first patient. PMID- 29208026 TI - Operationalizing mHealth to improve patient care: a qualitative implementation science evaluation of the WelTel texting intervention in Canada and Kenya. AB - BACKGROUND: Mobile health (mHealth) applications have proliferated across the globe with much enthusiasm, although few have reached scale and shown public health impact. In this study, we explored how different contextual factors influenced the implementation, effectiveness and potential for scale-up of WelTel, an easy-to-use and evidence-based mHealth intervention. WelTel uses two way SMS communication to improve patient adherence to medication and engagement in care, and has been developed and tested in Canada and Kenya. METHODS: We used a comparative qualitative case study design, which drew on 32 key informant interviews, conducted in 2016, with stakeholders involved in six WelTel projects. Our research was guided by the Consolidated Framework for Implementation Research (CFIR), a meta-theoretical framework, and our analysis relied on a modified approach to grounded theory, which allowed us to compare findings across these projects. RESULTS: We found that WelTel had positive influences on the "culture of care" at local clinics and hospitals in Canada and Kenya, many of which stretched beyond the immediate patient-client relationship to influence wider organizational systems. However, these were mediated by clinician norms and practices, the availability of local champion staff, the receptivity and capacity of local management, and the particular characteristics of the technology platform, including the ability for adaptation and co-design. We also found that scale-up was influenced by different forms of data and evidence, which played important roles in legitimization and partnership building. Even with robust research evidence, scale-up was viewed as a precarious and uncertain process, embedded within the wider politics and financing of Canadian and Kenyan health systems. Challenges included juggling different interests, determining appropriate financing pathways, maintaining network growth, and "packaging" the intervention for impact and relevance. CONCLUSIONS: Our comparative case study, of a unique transnational mobile health research network, revealed that moving from mHealth pilots to scale is a difficult, context-specific process that couples social and technological innovation. Fostering new organizational partnerships and ways of learning are paramount, as mHealth platforms straddle the world of research, industry and public health. Partnerships need to avoid the perils of the technological fix, and engage the structural barriers that mediate people's health and access to services. PMID- 29208027 TI - Animations designed to raise patient awareness of prudent antibiotic use: patient recall of key messages and their immediate effect on patient attitude. AB - OBJECTIVES: This study aimed to determine if patients recalled key messages from antibiotic animations shown on digital displays in General Practice waiting rooms, and if watching them changed patients' immediate intentions to consult their GP for upper respiratory tract infections, seek antibiotics and self-care. RESULTS: The pre intervention focus group found the animations intergenerational, informative and educational. 3119 patients were observed in 3 GP practices during project team visits; 145 (4.6%) were observed watching the animations; 132 (91%) remembered seeing them; the key messages were retained by 47-55% of patients. Significant positive differences were observed for questions related to intended antibiotic related behaviours. PMID- 29208028 TI - Psychosocial effects of infertility among couples attending St. Michael's Hospital, Jachie-Pramso in the Ashanti Region of Ghana. AB - OBJECTIVE: Infertility is a life crisis with a wide range of socio-cultural, emotional, physical and financial problems. This study sought to determine the psychosocial effects of infertility among couples attending St. Michael's hospital, Jachie-Pramso. A descriptive study design was adopted using a quantitative approach. A simple random technique was used to select 100 respondents and a structured closed ended questionnaire was administered to couples who visited the St. Michaels Hospital at Jachie-Pramso. RESULTS: The study has revealed that the social effects of infertility on couples included exclusion, verbal and physical abuse, divorce as well as stigma. There is high level of despondence among couples who are considered infertile. Reliance on family members for emotional support as well as avoidance of sensitive conversations was the main coping strategies adopted by the couples to cope with their conditions. Infertility has psychological, emotional and social consequences on individuals as well as couples. Families should support infertile individuals in every way that they can so that they will not be isolated. PMID- 29208029 TI - Tissue source determines the differentiation potentials of mesenchymal stem cells: a comparative study of human mesenchymal stem cells from bone marrow and adipose tissue. AB - BACKGROUND: Mesenchymal stem cells (MSCs) possess intrinsic regeneration capacity as part of the repair process in response to injury, such as fracture or other tissue injury. Bone marrow and adipose tissue are the major sources of MSCs. However, which cell type is more effective and suitable for cell therapy remains to be answered. The intrinsic molecular mechanism supporting the assertion has also been lacking. METHODS: Human bone marrow-derived MSCs (BMSCs) and adipose tissue-derived MSCs (ATSCs) were isolated from bone marrow and adipose tissue obtained after total hip arthroplasty. ATSCs and BMSCs were incubated in standard growth medium. Trilineage differentiation including osteogenesis, adipogenesis, and chondrogenesis was performed by addition of relevant induction mediums. The expression levels of trilineage differentiation marker genes were evaluated by quantitative RT-PCR. The methylation status of CpG sites of Runx2, PPARgamma, and Sox9 promoters were checked by bisulfite sequencing. In addition, ectopic bone formation and calvarial bone critical defect models were used to evaluate the bone regeneration ability of ATSCs and BMSCs in vivo. RESULTS: The results showed that BMSCs possessed stronger osteogenic and lower adipogenic differentiation potentials compared to ATSCs. There was no significant difference in the chondrogenic differentiation potential. The CpG sites of Runx2 promoter in BMSCs were hypomethylated, while in ATSCs they were hypermethylated. The CpG sites of PPARgamma promoter in ATSCs were hypomethylated, while in BMSCs they were hypermethylated. The methylation status of Sox9 promoter in BMSCs was only slightly lower than that in ATSCs. CONCLUSIONS: The epigenetic memory obtained from either bone marrow or adipose tissue favored MSC differentiation along an osteoblastic or adipocytic lineage. The methylation status of the main transcription factors controlling MSC fate contributes to the differential differentiation capacities of different source-derived MSCs. PMID- 29208030 TI - Experimental therapeutic assays of Tephrosia vogelii against Leishmania major infection in murine model: in vitro and in vivo. AB - BACKGROUND: Conventional targeted leishmanicidal chemotherapy has persistently remained prohibitive for most economically deprived communities due to costs, associated time to accessing health services and duration for successful treatment programme. Alternatives are bound to be incorporated in rational management of leishmaniasis by choice or default due to accessibility and cultural beliefs. Therefore, there is need to rigorously investigate and appraise the activity of medicinal compounds that may have anti-leishmanicidal activity especially in the context of products that are already being utilized by the populations for other ailments but have limited information on their therapeutic value and possible cytoxicity. Hence, the study examined both in vivo and in vitro response of L. major infection to Tephrosia vogelii extracts in BALB/c mice as the mouse model. METHODS: A comparative study design was applied for the in vivo and in vitro assays of the extract with Pentostam (GlaxoSmithKline, UK) and Amphotericin B [FungizoneTM, X-Gen Pharmaceuticals (US)] as standard drugs. RESULTS: In BALB/c mice where the chemotherapeutic extract was administered intraperitoneally, there was significantly (p < 0.05) larger reduction in lesion size and optimal control of parasite burden than those treated orally. However, standard drugs showed better activity. Tephrosia vogelii had 50% inhibitory concentration (IC50) and IC90 of 12 and 68.5 MUg/ml respectively, while the standard drugs had IC50 and IC90 of 5.5 and 18 MUg/ml for Pentostam and 7.8 and 25.5 MUg/ml for Amphotericin B in that order. In the amastigote assay, the infection rates decreased with increase in chemotherapeutic concentration. The multiplication indices for L. major amastigotes in macrophages treated with 200 ug/ml of the standard drugs and extract were significantly different (p < 0.05). 200 ug/ml of T. vogelii extract showed a multiplication index of 20.57, 5.65% for Amphotericin B and 9.56% for Pentostam. There was also significant difference (p < 0.05) in levels of Nitric oxide produced in the macrophages. CONCLUSIONS: The findings demonstrated that T. vogelii extract has anti-leishmanial activity and further assays should be done to ascertain the active compounds responsible for anti-leishmanial activity. PMID- 29208031 TI - Lipid-rafts remain stable even after ionizing radiation induced disintegration of beta1 integrin containing focal adhesions. AB - OBJECTIVE: Adhesion of cells to the extracellular matrix is facilitated by integrin receptors. We recently found that a nanoscale organization of plasma membrane located integrins containing the beta1 subunit is responsible for an enhanced radio-resistance in 3D cultured cells over cells grown in 2D. While ionizing radiation is known to have broad effects on the lipid composition of the plasma membrane and their organization in lipid-rafts, it is not clear whether the effects of ionizing radiation on the nanoscale clustering of integrins is lipid-raft dependent. RESULTS: Using single molecule microscopy we can show that beta1 integrins colocalize with cholesterol in lipid-rafts. Ionizing radiation, as an extrinsic stressor, causes the separation of beta1 integrins from cholesterol lipid raft suggesting that the effects of ionizing radiation on the clustering of beta1 integrins are lipid-raft independent. PMID- 29208032 TI - Junior Rounds: an educational initiative to improve role transitions for junior residents. AB - OBJECTIVE: At our institution, Morning Report focuses mostly on diagnostic reasoning. This makes it a challenge for first-year residents to learn to manage common on-call emergencies, such as hyperkalemia. We sought to improve their preparedness for the transitions they would encounter: from medical student to physician at the beginning of the academic year, and from junior resident to senior resident toward the end. In response to feedback, we developed the Junior Rounds curriculum: a weekly session focused on the approach to commonly encountered on-call emergencies and internal medicine referrals. Anonymous surveys were sent to trainees, and iterative analysis of monthly feedback led to changes to Junior Rounds. RESULTS: Junior Rounds was implemented from August 2015 to June 2016. Thirty-nine of 92 possible respondents (44%) completed surveys in that period. Most respondents agreed that Junior Rounds met their educational needs, was presented at an appropriate level, and was more important to their learning than other available educational activities. Our experience demonstrates that dedicated time for level-specific learning aimed to support the transitions of junior residents can be successfully achieved. Iterative adjustment to these rounds based on feedback allowed for evolution of the curriculum to meet the changing priorities of junior learners. PMID- 29208034 TI - Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study. AB - BACKGROUND: Within systematic reviews, when searching for relevant references, it is advisable to use multiple databases. However, searching databases is laborious and time-consuming, as syntax of search strategies are database specific. We aimed to determine the optimal combination of databases needed to conduct efficient searches in systematic reviews and whether the current practice in published reviews is appropriate. While previous studies determined the coverage of databases, we analyzed the actual retrieval from the original searches for systematic reviews. METHODS: Since May 2013, the first author prospectively recorded results from systematic review searches that he performed at his institution. PubMed was used to identify systematic reviews published using our search strategy results. For each published systematic review, we extracted the references of the included studies. Using the prospectively recorded results and the studies included in the publications, we calculated recall, precision, and number needed to read for single databases and databases in combination. We assessed the frequency at which databases and combinations would achieve varying levels of recall (i.e., 95%). For a sample of 200 recently published systematic reviews, we calculated how many had used enough databases to ensure 95% recall. RESULTS: A total of 58 published systematic reviews were included, totaling 1746 relevant references identified by our database searches, while 84 included references had been retrieved by other search methods. Sixteen percent of the included references (291 articles) were only found in a single database; Embase produced the most unique references (n = 132). The combination of Embase, MEDLINE, Web of Science Core Collection, and Google Scholar performed best, achieving an overall recall of 98.3 and 100% recall in 72% of systematic reviews. We estimate that 60% of published systematic reviews do not retrieve 95% of all available relevant references as many fail to search important databases. Other specialized databases, such as CINAHL or PsycINFO, add unique references to some reviews where the topic of the review is related to the focus of the database. CONCLUSIONS: Optimal searches in systematic reviews should search at least Embase, MEDLINE, Web of Science, and Google Scholar as a minimum requirement to guarantee adequate and efficient coverage. PMID- 29208033 TI - Evaluating the oxysterol combination of 22(S)-hydroxycholesterol and 20(S) hydroxycholesterol in periodontal regeneration using periodontal ligament stem cells and alveolar bone healing models. AB - BACKGROUND: Oxysterols, oxygenated by-products of cholesterol biosynthesis, play roles in various physiological and pathological systems. However, the effects of oxysterols on periodontal regeneration are unknown. This study investigated the effects of the specific oxysterol combination of 22(S)-hydroxycholesterol and 20(S)-hydroxycholesterol (SS) on the regeneration of periodontal tissues using in vitro periodontal ligament stem cells (PDLSCs) and in-vivo models of alveolar bone defect. METHODS: To evaluate the effects of the combined oxysterols on PDLSC biology, we studied the SS-induced osteogenic differentiation of PDLSCs by assessing alkaline phosphatase activity, intracellular calcium levels [Ca2+]i, matrix mineralization, and osteogenic marker mRNA expression and protein levels. To verify the effect of oxysterols on alveolar bone regeneration, we employed tooth extraction bone defect models. RESULTS: Oxysterols increased the osteogenic activity of PDLSCs compared with the control group. The expression of liver X receptor (LXR) alpha and beta, the nuclear receptors for oxysterols, and their target gene, ATP-binding cassette transporter A1 (ABCA1), increased significantly during osteogenesis. Oxysterols also increased protein levels of the hedgehog (Hh) receptor Smo and the transcription factor Gli1. We further confirmed the reciprocal reaction between the LXRs and Hh signaling. Transfection of both LXRalpha and LXRbeta siRNAs decreased Smo and Gli1 protein levels. In contrast, the inhibition of Hh signaling attenuated the LXRalpha and LXRbeta protein levels. Subsequently, SS-induced osteogenic activity of PDLSCs was suppressed by the inhibition of LXRs or Hh signaling. The application of SS also enhanced bone formation in the defect sites of in-vivo models, showing equivalent efficacy to recombinant human bone morphogenetic protein-2. CONCLUSIONS: These findings suggest that a specific combination of oxysterols promoted periodontal regeneration by regulating PDLSC activity and alveolar bone regeneration. PMID- 29208035 TI - Prevalence, predictors and adverse outcomes of adolescent pregnancy in sub Saharan Africa: a protocol of a systematic review. AB - BACKGROUND: Several studies have reported on factors influencing adolescent pregnancies and the associated outcomes, but evidence from a systematic review is limited, especially in sub-Saharan Africa where the greater burden lies. Establishment of accurate epidemiological data on the rates of adolescent pregnancy, its predictors, and adverse outcomes (maternal and neonatal) may have important implications towards attainment of the Sustainable Development Goals. METHODS: This will be a systematic review of studies reporting predictors of adolescent pregnancy and adverse outcomes in sub-Saharan Africa published between January 2000 and December 2017. The following databases will be searched: PubMed/MEDLINE, Excerpta Medica Database (EMBASE), SCOPUS, Popline, Africa Wide Information, African Index Medicus, Google scholar and the Cochrane library. Three authors will independently screen all potential articles for eligibility as guided by the selection criteria. The Stata statistical software will be used in analysing the data. Appropriate meta-analytic techniques will be used to pool prevalence estimates from studies with similar features, overall and by major subgroups as warranted. Heterogeneity of studies will be evaluated by the chi 2 test on Cochrane's Q statistic. Publication bias will be sorted for using funnel plot analysis and Egger's test. Qualitative synthesis will be used where data are insufficient to produce a quantitative synthesis. This protocol is reported according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols (PRISMA-P) 2015 guidelines. DISCUSSION: This systematic review and meta analysis is expected to serve as a template for designing adolescent-friendly preventive and control programmes to help curb the ever-growing burden of adolescent pregnancies, and as a guide for future research. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42017070773. PMID- 29208036 TI - Informal care and health behaviors among elderly people with chronic diseases. AB - BACKGROUND: The mechanism by which social relationships influence health can be interpreted as a social network regulating one's health behaviors. Based on the hypothesis that relatives, friends, or neighbors are sources of social support and may monitor one's health behaviors, researchers have gotten significant and consistent results that a social network can regulate health behaviors. However, few empirical studies have been conducted to examine the role of informal care in the regulation of health behaviors, especially for elderly individuals with chronic diseases that can be controlled by healthy behaviors. This paper researched the effects of informal care on health behaviors-smoking control, dietetic regulation, weight control, and maintenance of exercise-among elderly patients with chronic diseases in China who are facing the challenge of aging. METHODS: We used the propensity score matching method to control the impacts of a very rich set of family and individual characteristics. The 2011-2012 national baseline data of the China Health and Retirement Longitudinal Study (CHARLS) was used. RESULTS: Our findings showed that informal care could significantly help improve the health behaviors of elderly people. Informal care could improve the compliance of smoking control and dietetic regulation significantly. Elderly people with informal care smoked less and consumed more meals per day. For weight control, informal care helped decrease the possibility of weight gain of elderly people, but its impacts were not significant for BMI and weight loss. Last, for the elders, informal care could only help increase the probability of walking exercise; however, there was no significant result for moderate exercise. CONCLUSIONS: Findings from this study highlight the importance of informal care among elderly people. Our results appeal to policy makers who aim to control chronic diseases that they should take informal care into account and provide appropriate policies to meet the demand of informal care for elderly people. PMID- 29208037 TI - Uterine rupture in a primigravid patient, an uncommon but severe obstetrical event: a case report. AB - BACKGROUND: A spontaneous rupture of the unscarred uterus in a primigravid patient is extremely rare and is associated with high perinatal and maternal morbidity and mortality. CASE PRESENTATION: A 34-year-old white primigravid woman, 31 + 3 weeks of gestation, presented with pre-eclampsia and developed a sudden acute abdomen. An emergency laparotomy was performed and a uterine rupture was found as the cause of the event. A stillborn girl was born. CONCLUSION: A rupture of the pregnant uterus should always be considered in a pregnant woman presenting with abdominal pain, even in a primigravid patient. PMID- 29208038 TI - Genetic investigation of XPA gene: high frequency of the c.682C>T mutation in Moroccan XP patients with moderate clinical profile. AB - OBJECTIVE: Xeroderma pigmentosum (XP) is a genetically and clinically heterogeneous disease, associated with an inherited defect in one of eight different genes (XPA to XPG and XPV). In addition to the early onset of the skin manifestations, the XP group A is marked by the presence of a mild to severe neural disorders which appear tardily and worsens with age. In this study, 9 patients with moderate clinical profile belonging to 6 XP families were recruited to determine the XPA mutational spectrum in Morocco, using the direct sequencing of the whole coding region of the XPA gene. RESULTS: The genetic investigation of the XPA gene showed that 7 from 9 patients were homozygous for the c.682C>T, p.Arg228X mutation, while all their investigated family members were heterozygous. The frequency of this mutation was estimated to be 83.33% (5/6 families) .The molecular analysis of the 5 other exons of the XPA gene, showed that the 2 negative siblings carried no mutation in the XPA gene. This finding suggests that c.682C>T (p.Arg228X) mutation is relatively associated with moderate phenotype in XP group A Moroccan families; this result will also contribute to improve the molecular diagnosis of XP disease in Moroccan patients. PMID- 29208039 TI - Effects of metamizole, MAA, and paracetamol on proliferation, apoptosis, and necrosis in the pancreatic cancer cell lines PaTu 8988 t and Panc-1. AB - BACKGROUND: Adenocarcinoma of the pancreas is one of the most aggressive cancer diseases affecting the human body. Recent research has shown the importance of the perioperative phase in disease progression. Particularly during this vulnerable phase, substances such as metamizole and paracetamol are given as general anesthetics and postoperative analgesics. Therefore, the effects of metamizole and paracetamol on tumor progression should be investigated in more detail because the extent to which these substances influence the carcinogenesis of pancreatic carcinoma is still unclear. This study analyzed the influence of metamizole and its active metabolites MAA (4-N-methyl-aminoantipyrine) and paracetamol on the proliferation, apoptosis, and necrosis of the pancreatic cancer cell lines PaTu 8988t and Panc-1 in vitro. METHODS: Cell proliferation was measured by means of the ELISA BrdU assay and the rate of apoptosis by flow cytometry using the Annexin V assay. RESULTS: Metamizole and paracetamol significantly inhibited cell proliferation in pancreatic cancer cells. After the addition of metamizole to PaTu 8988t cells, the rate of apoptosis was reduced after 3 h of incubation but significantly increased after 9 h of incubation. CONCLUSION: The oncogenic potential of pancreatic adenocarcinoma is mainly characterized by its extreme growth rate. Non-opioid analgesics such as metamizole and paracetamol are given as general anesthetics and postoperative analgesics. The combination of metamizole or paracetamol with cytotoxic therapeutic approaches may achieve synergistic effects. Further studies are necessary to identify the underlying mechanisms so that new therapeutic options may be developed for the treatment of this aggressive tumor. PMID- 29208040 TI - A systematic review of school-based eHealth interventions targeting alcohol use, smoking, physical inactivity, diet, sedentary behaviour and sleep among adolescents: a review protocol. AB - BACKGROUND: Six key behavioural risk factors (risky alcohol use, smoking, poor diet, physical inactivity, sedentary behaviour and unhealthy sleep patterns) have been identified as strong determinants of chronic disease, such as cardiovascular disease, diabetes and cancers. School-based interventions targeting these multiple health risk behaviours among adolescents have the potential to halt the trajectory towards later disease, whilst online and mobile technology interventions offer advantages in terms of student engagement, reach and scalability. Despite this, the efficacy of eHealth school-based interventions targeting these six health risk behaviours among adolescents has not been evaluated. The proposed systematic review aims to address this by determining the nature and efficacy of existing eHealth school-based interventions targeting multiple health risk behaviours among adolescents. METHODS: A systematic search of the MEDLINE, Embase, PsycINFO and Cochrane Library databases will be conducted to identify eligible published papers. Eligible studies will be randomised controlled trials, including cluster randomised controlled trials, of interventions targeting two or more of the following lifestyle risk behaviours: alcohol use, smoking, poor diet, physical inactivity, sedentary behaviour and sleep. Eligible studies will be those evaluating interventions delivered in a secondary school setting among participants 11-18 years of age, via an eHealth platform (Internet, computers of mobile technology). Two reviewers will independently screen studies for eligibility, extract data and assess the risk of bias. Study outcomes will be summarised in a narrative synthesis, and meta analyses will be conducted where it is appropriate to combine studies. DISCUSSION: It is anticipated that the results from this review will serve to inform the development of future eHealth multiple health behaviour interventions for adolescents by identifying common characteristics of effective programs and highlighting knowledge gaps in the evidence base. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42017072163. PMID- 29208042 TI - Abnormal placental cord insertion and adverse pregnancy outcomes: a systematic review and meta-analysis. AB - BACKGROUND: Abnormal placental cord insertion (PCI) includes marginal cord insertion (MCI) and velamentous cord insertion (VCI). VCI has been shown to be associated with adverse pregnancy outcomes. This systematic review and meta analysis aims to determine the association of abnormal PCI and adverse pregnancy outcomes. METHODS: Embase, Medline, CINAHL, Scopus, Web of Science, ClinicalTrials.gov, and Cochrane Databases were searched in December 2016 (from inception to December 2016). The reference lists of eligible studies were scrutinized to identify further studies. Potentially eligible studies were reviewed by two authors independently using the following inclusion criteria: singleton pregnancies, velamentous cord insertion, marginal cord insertion, and pregnancy outcomes. Case reports and series were excluded. The methodological quality of the included studies was assessed using the Newcastle-Ottawa Scale. Outcomes for meta-analysis were dichotomous and results are presented as summary risk ratios with 95% confidence intervals. RESULTS: Seventeen studies were included in the systematic review, all of which were assessed as good quality. Normal PCI and MCI were grouped together as non-VCI and compared with VCI in seven studies. Four studies compared MCI, VCI, and normal PCI separately. Two other studies compared MCI with normal PCI, and VCI was excluded from their analysis. Studies in this systematic review reported an association between abnormal PCI, defined differently across studies, with preterm birth, small for gestational age (SGA), low birthweight (< 2500 g), emergency cesarean delivery, and intrauterine fetal death. Four cohort studies comparing MCI, VCI, and normal PCI separately were included in a meta-analysis resulting in a statistically significant increased risk of emergency cesarean delivery for VCI (pooled RR 2.86, 95% CI 1.56-5.22, P = 0.0006) and abnormal PCI (pooled RR 1.77, 95% CI 1.33 2.36, P < 0.0001) compared to normal PCI. CONCLUSIONS: The available evidence suggests an association between abnormal PCI and emergency cesarean delivery. However, the number of studies with comparable definitions of abnormal PCI was small, limiting the analysis of other adverse pregnancy outcomes, and further research is required. PMID- 29208041 TI - Metabolomics reveals distinct, antibody-independent, molecular signatures of MS, AQP4-antibody and MOG-antibody disease. AB - The overlapping clinical features of relapsing remitting multiple sclerosis (RRMS), aquaporin-4 (AQP4)-antibody (Ab) neuromyelitis optica spectrum disorder (NMOSD), and myelin oligodendrocyte glycoprotein (MOG)-Ab disease mean that detection of disease specific serum antibodies is the gold standard in diagnostics. However, antibody levels are not prognostic and may become undetectable after treatment or during remission. Therefore, there is still a need to discover antibody-independent biomarkers. We sought to discover whether plasma metabolic profiling could provide biomarkers of these three diseases and explore if the metabolic differences are independent of antibody titre. Plasma samples from 108 patients (34 RRMS, 54 AQP4-Ab NMOSD, and 20 MOG-Ab disease) were analysed by nuclear magnetic resonance spectroscopy followed by lipoprotein profiling. Orthogonal partial-least squares discriminatory analysis (OPLS-DA) was used to identify significant differences in the plasma metabolite concentrations and produce models (mathematical algorithms) capable of identifying these diseases. In all instances, the models were highly discriminatory, with a distinct metabolite pattern identified for each disease. In addition, OPLS-DA identified AQP4-Ab NMOSD patient samples with low/undetectable antibody levels with an accuracy of 92%. The AQP4-Ab NMOSD metabolic profile was characterised by decreased levels of scyllo-inositol and small high density lipoprotein particles along with an increase in large low density lipoprotein particles relative to both RRMS and MOG-Ab disease. RRMS plasma exhibited increased histidine and glucose, along with decreased lactate, alanine, and large high density lipoproteins while MOG-Ab disease plasma was defined by increases in formate and leucine coupled with decreased myo-inositol. Despite overlap in clinical measures in these three diseases, the distinct plasma metabolic patterns support their distinct serological profiles and confirm that these conditions are indeed different at a molecular level. The metabolites identified provide a molecular signature of each condition which is independent of antibody titre and EDSS, with potential use for disease monitoring and diagnosis. PMID- 29208043 TI - Self-sampling for human papillomavirus testing among rural young women of KwaZulu Natal, South Africa. AB - BACKGROUND: Cervical cancer is a major problem in women and it is important to find a suitable and acceptable screening method, especially among young in low resource areas for future human papillomavirus (HPV) vaccine follow-up investigations. The study sought to test the acceptability of self-sampling as well as the suitability of the specimen collecting devices. METHODS: Ninety-eight young women from rural KwaZulu-Natal were enrolled between March and July 2014. Collected genital specimens were transferred to colour indicator cards for HPV detection. Participants answered a questionnaire where they described their experiences with self-sampling. Samples were tested for high-risk HPV using GP5/6+ PCR. RESULTS: Of the enrolled participants, 91 answered questionnaires and indicated that self-sampling was preferred by 51/91 (56%) women while 40/91 (44%) indicated preference for sampling by a doctor (p = 0.023). The majority, 64% were comfortable using a swab, 22% preferred a brush while 11% were comfortable with both devices. Of the 98 self-sampled specimens 61 were negative for HPV in both specimens while 37 were HPV-positive in either brush or swab. Of the 37, 26 (70%) were HPV-positive in both brush and swab (kappa = 0.743) and 11 (30%) were discordant. CONCLUSIONS: Self-sampling was acceptable to the majority of participants in this rural area. The Dacron swab was the preferred device, and can be used in combination with colour indicator cards for comfortable self sampling, easy storage and transport of specimens plus detection. PMID- 29208044 TI - An outbreak of acute haemorrhagic conjunctivitis associated with coxsackievirus A24 variant in The Gambia, West Africa. AB - OBJECTIVE: An outbreak of acute haemorrhagic conjunctivitis occurred in The Gambia, West Africa in 2011. Affected individuals presented with conjunctival haemorrhages, swelling and ocular discharge. In an effort to identify a causative agent of the disease, ocular swabs were taken from patients during the acute and convalescent phases. Total RNA was extracted from all samples and reverse transcriptase PCR performed using primers specific for all enteroviruses. Resulting amplicons were sequenced and data compared to known sequences using the BLAST algorithm. RESULTS: Forty-eight swabs were included in the analysis. Of these, 21 acute and 9 convalescent swabs (65% of the total) gave positive PCR results. Sequence analysis of the resulting amplicons indicated 99% sequence identity with coxsackievirus A24 variant identified during independent outbreaks of acute haemorrhagic conjunctivitis around the world and suggest the Gambian outbreak was due to this virus. PMID- 29208045 TI - Joubert's syndrome and related disorders and home-based peritoneal dialysis in East Africa: a case report. AB - BACKGROUND: Joubert's syndrome is a rare condition affecting an estimated 1:80,000-1:100,000 individuals. There is underdevelopment of the cerebellar vermis resulting in a characteristic molar tooth sign on cross sectional axial magnetic resonance imaging. It can occur in association with multi-organ involvement; in such cases it is classified as Joubert's syndrome and related disorders. To date, there are no cases of Joubert's syndrome and related disorders from sub-Saharan Africa described in the literature. CASE PRESENTATION: An 8 year old black Kenyan female child was diagnosed in Joubert's syndrome in her first year of life. She was noted to have dysmorphic facies and hypotonia in the neonatal period and cranial MRI showed dysplasia of the cerebellar vermis and typical molar tooth malformation. She was subsequently lost to follow up for several years and later presented with anaemia. Further investigation revealed bilateral multicystic kidneys and significant renal impairment consistent with a diagnosis of end stage renal failure and polycystic kidney disease. She underwent home peritoneal dialysis for 7 months. CONCLUSIONS: Joubert's syndrome and related disorders is a rare condition. This case report demonstrates that home peritoneal dialysis is feasible in a low resource setting. Although it is scarcely provided in African countries, it is an effective renal replacement strategy for patients with end stage renal disease. PMID- 29208046 TI - Short form version of the Quality of Trauma Care Patient-Reported Experience Measure (SF QTAC-PREM). AB - OBJECTIVE: To enable the valid and reliable measurement of patient experiences we previously published a multicenter multi-center validation of the Quality of Trauma Care Patient-Reported Experience Measure (QTAC-PREM). The purpose of this study was to derive a simplified, short form version of the QTAC-PREM to further enhance the feasibility of measuring patient experiences in injury care. To identify candidate items for the short form we reviewed the results of the original multi-center long form validation cohort study, which included 400 injury care patients and their family members recruited from three trauma centers. We only included the best performing items on the revised short form. RESULTS: The acute care component of the measure was shortened by 30% and the post-acute care component was shortened by 42%. We identified two subscales on the acute measure (information and communication; clinical and ancillary care) and one subscale on the post-acute measure (post-discharge information and communication). The measurement properties of the short form measure were similar to that of the validated long form. This short form assessment of patient injury care experiences offers a useful, practical, and easy tool for trauma centers to implement for service evaluation, quality improvement, and injury care research. PMID- 29208047 TI - Non-conventional dosing of oral anticancer agents in oncology and malignant haematology: a systematic review protocol. AB - BACKGROUND: Recent advances in cancer therapeutics have resulted in significantly improved overall survival and progression-free survival for patients. Targeted oral systemic anticancer therapies (SACT) offer a range of treatment approaches that differ from traditional cytotoxic chemotherapy: non-cytotoxic oral SACT target malignant disease continuously, have less broad and more favourable safety profiles, which can improve patients' quality of life (QoL). Toxicities associated with daily oral SACT administration can, however, result in non adherence and a reduced QoL. Non-conventional dosing of oral SACT, where unlicensed doses/schedules of drugs are prescribed, is one approach increasingly adopted by clinicians to reduce toxicities and subsequent non-adherence and to improve QoL. Guidance governing this practice is, however, limited. This systematic review aims to identify evidence about prescribing practices of, and outcomes from, non-conventional dosing of oral SACT in oncology and malignant haematology. METHODS: A search using the following electronic databases will be conducted: Ovid MEDLINE, Ovid EMBASE, Cumulative Index to Nursing and Allied Health Literature (CINAHL) and Cochrane Registry of Controlled Trials. Studies will be selected based on predefined inclusion/exclusion criteria. Critical appraisal will be conducted to identify potential biases, strengths and limitations of included studies. Extracted data will be tabulated to sort and summarise key findings. An initial literature search indicated that studies reporting non-standard dosing of oral SACT intervention studies are diverse and heterogeneous in study design. Extracted data will, therefore, be tabulated, and together with a narrative synthesis of integrated key findings, will be presented and discussed in reference to the strengths and weaknesses of the evidence base. If sufficient stratified data is available (e.g. age group, tumour type, disease stage) or intervention (drug, dosing schedule), sub-group analysis will be conducted to inform prescribing practice. DISCUSSION: This review will identify relevant literature on the topic to inform prescribers working in oncology and malignant haematology. It will also analyse any evidence of the following outcomes: toxicity, treatment adherence and/or QoL outcomes for patients receiving non-standard doses of oral SACT. Limitations in the evidence base may arise from variability in both the type and quality of studies reviewed. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42017076195 . PMID- 29208048 TI - Quantifying heterogeneity in individual participant data meta-analysis with binary outcomes. AB - BACKGROUND: In meta-analyses (MA), effect estimates that are pooled together will often be heterogeneous. Determining how substantial heterogeneity is is an important aspect of MA. METHOD: We consider how best to quantify heterogeneity in the context of individual participant data meta-analysis (IPD-MA) of binary data. Both two- and one-stage approaches are evaluated via simulation study. We consider conventional I 2 and R 2 statistics estimated via a two-stage approach and R 2 estimated via a one-stage approach. We propose a simulation-based intraclass correlation coefficient (ICC) adapted from Goldstein et al. to estimate the I 2, from the one-stage approach. RESULTS: Results show that when there is no effect modification, the estimated I 2 from the two-stage model is underestimated, while in the one-stage model, it is overestimated. In the presence of effect modification, the estimated I 2 from the one-stage model has better performance than that from the two-stage model when the prevalence of the outcome is high. The I 2 from the two-stage model is less sensitive to the strength of effect modification when the number of studies is large and prevalence is low. CONCLUSIONS: The simulation-based I 2 based on a one-stage approach has better performance than the conventional I 2 based on a two-stage approach when there is strong effect modification with high prevalence. PMID- 29208049 TI - Selecting the right gate to identify relevant cells for your assay: a study of thioglycollate-elicited peritoneal exudate cells in mice. AB - OBJECTIVE: In this study, we investigate the diversity and modulation of leukocyte populations represented in the gates defined by size and granularity at different time points of thioglycollate-induced peritonitis in mouse. RESULTS: The inflammatory cells were distributed into four regions (R1-R4) of a data plot graph defined by cell size and granularity. R1 and R2 contained agranular cells that were small in size and predominately included T (CD3+) lymphocytes along with B (B220+) lymphocytes. Macrophages (F4/80+) were the predominant cells found in the R3 region. However, these cells were present in all regions, albeit at a lower frequency in R1 and R2. Granulocytes (Gr1+) were mainly distributed in R3 and R4. The wide distribution of F4/80+ and Gr1+ cells may reflect the recruitment and activation state of the different macrophage and granulocyte populations. Based on these observations, size and granularity may contribute to an initial step in the analysis and sorting of thioglycollate-elicited peritoneal exudate cells. However, the developmental stage and cell activation state may interfere with cell segregation using size and granularity as parameters. PMID- 29208051 TI - A novel mutation in ST14 at a functionally significant amino acid residue expands the spectrum of ichthyosis-hypotrichosis syndrome. AB - BACKGROUND: Mutations in the ST14 gene, encoding the serine protease matriptase, have been associated with ichthyosis-hypotrichosis syndrome (IHS), a Mendelian disorder with skin and hair manifestations which include, in addition to ichthyosis and hypotrichosis, hypohidrosis and follicular atrophoderma. However, the understanding of the specific consequences of mutations in ST14 on the development of this syndrome is incomplete. RESULTS: Using a targeted next generation sequencing array of 38 ichthyosis-associated genes on a large cohort of 180 ichthyosis patients from a primarily consanguineous background, a previously unreported homozygous p.Asp482Asn mutation in ST14 was identified in a patient with IHS. This mutation affects an essential site within a ligand-binding domain of matriptase. Comparison with previous reports of IHS allowed further delineation of the phenotype of IHS in correlation with mutations present in these patients. Histological and ultrastructural analysis of skin and hair identified novel features in this disorder. CONCLUSIONS: This study correlates genotypic and phenotypic features of the rare disorder, IHS, expands the spectrum of pathology associated with the disorder, and provides clinical evidence of the importance of the Asp482 amino acid, previously shown to have an essential role in matriptase activation. PMID- 29208050 TI - Robotic-assisted total mesorectal excision with the single-docking technique for patients with rectal cancer. AB - BACKGROUND: The robotic system has advantages of high-definition three dimensional vision and articular instruments with high dexterity, allowing more precise dissection in the deep and narrow pelvic cavity. METHODS: We enrolled 95 patients with stage I-III rectal cancer (adenocarcinoma) who underwent totally robotic-assisted total mesorectal excision (TME) with single-docking technique at a single institution between September 2013 and December 2016. RESULTS: Of the 95 patients, 48 (50.5%) and 30 (31.6%) patients had lower and middle rectal cancers, respectively. Of the 75 (78.9%) patients undergoing preoperative concurrent chemoradiotherapy (CCRT), 27 (28.4%) exhibited pathologic complete response (pCR). Only four (4.2%) patients underwent abdominoperineal resection and the sphincter preservation rate was 95.8%. R0 resection was performed in 92 (96.8%) patients. Circumferential resection margin (CRM) and distal resection margin (DRM) were positive in 2 (2.1%) and 1 (1.1%) patients, respectively. The anastomotic leakage rate was 5.4% (5/95 patients). The overall complication rate was 17.9% (17/95 patients); most of them were mild. No 30-day hospital mortality occurred, and no patients required conversion to open surgery. In 92 patients undergoing R0 resection, 2-year overall survival was 94% and 2-year disease-free survival was 83%. CONCLUSIONS: The results demonstrated that totally robotic assisted TME with the single-docking technique is safe and feasible for patients with rectal cancer, with or without preoperative CCRT. Moreover, favorable pCR rate, R0 resection rate, CRM, DRM, sphincter preservation rate, and short-term oncological outcomes can be achieved by combining this approach with appropriate preoperative CCRT. PMID- 29208053 TI - A comparison of the effects of electronic reminders and group bonuses on the recording of diagnoses in primary care: a longitudinal follow-up study. AB - OBJECTIVE: To improve the recording of diagnoses in visits to general practitioners, an observational retrospective study based on a before-after design was performed by installing an electronic reminder in the computerized patient chart system, reinforced in feedback delivered in superior-subordinate or development discussions with the general practitioners. The monthly rate of recording diagnoses was observed before and after the intervention. The effect of this intervention on recording of diagnoses was compared with the effects of financial group bonuses on the same parameter in a neighbouring city. RESULTS: Before intervention, the level of recording diagnoses was about 45% in the primary care units. Nine months after this intervention there was not yet any statistically significant increase in recording of diagnoses but after 21 months it yielded a recording rate of 90% (P < 0.001). In three years, this percentage reached level over 95%. Group bonuses, a financial incentive serving as a control intervention, increased this parameter from 50 to 80% (P < 0.001) in nine months, and in 21 months the level of recording diagnoses was 90%. The both methods increased the level of recording diagnoses at the same level. Group bonuses acted faster but were also more expensive. PMID- 29208054 TI - Unpublished systematic reviews and financial support: a meta-epidemiological study. AB - OBJECTIVE: PROSPERO, an international prospective register of systematic reviews, was launched in February 2011 to reduce publication bias of systematic reviews (SRs). A questionnaire survey of SR researchers conducted in 2005 indicated the existence of unpublished SRs and the potential influence of lack of funding as a reason for non-publication. Here, we investigated the publication status of registered SRs in the 1st year that PROSPERO launched and assessed the association between publication and the existence of funding or conflicts of interest (COIs). RESULTS: We identified 326 SRs registered in PROSPERO from February 2011 through February 2012. Among them, 85 SRs (26%) remained unpublished at least 65 months after registration. We found 241 published reports, including four conference abstracts and one poster presentation. Median time to publication from protocol registration was 16.3 months. Funding for SRs was associated with publication [odds ratio (OR) = 2.10; 95% confidence interval (CI) = 1.26 to 3.50]. We found no significant association of author-reported COIs with publication (OR = 2.35; 95% CI = 0.67 to 8.20). Twenty SRs were not published despite the authors reporting completion of the reviews in PROSPERO. PMID- 29208055 TI - Combinations of SNP genotypes from the Wellcome Trust Case Control Study of bipolar patients. AB - OBJECTIVES: Combinations of genetic variants are the basis for polygenic disorders. We examined combinations of SNP genotypes taken from the 446 729 SNPs in The Wellcome Trust Case Control Study of bipolar patients. METHODS: Parallel computing by graphics processing units, cloud computing, and data mining tools were used to scan The Wellcome Trust data set for combinations. RESULTS: Two clusters of combinations were significantly associated with bipolar disorder. One cluster contained 68 combinations, each of which included five SNP genotypes. Of the 1998 patients, 305 had combinations from this cluster in their genome, but none of the 1500 controls had any of these combinations in their genome. The other cluster contained six combinations, each of which included five SNP genotypes. Of the 1998 patients, 515 had combinations from the cluster in their genome, but none of the 1500 controls had any of these combinations in their genome. CONCLUSION: Clusters of combinations of genetic variants can be considered general risk factors for polygenic disorders, whereas accumulation of combinations from the clusters in the genome of a patient can be considered a personal risk factor. PMID- 29208057 TI - Caenorhabditis elegans: nature and nurture gift to nematode parasitologists. AB - The free-living nematode Caenorhabditis elegans is the simplest animal model organism to work with. Substantial knowledge and tools have accumulated over 50 years of C. elegans research. The use of C. elegans relating to parasitic nematodes from a basic biology standpoint or an applied perspective has increased in recent years. The wealth of information gained on the model organism, the use of the powerful approaches and technologies that have advanced C. elegans research to parasitic nematodes and the enormous success of the omics fields have contributed to bridge the divide between C. elegans and parasite nematode researchers. We review key fields, such as genomics, drug discovery and genetics, where C. elegans and nematode parasite research have convened. We advocate the use of C. elegans as a model to study helminth metabolism, a neglected area ready to advance. How emerging technologies being used in C. elegans can pave the way for parasitic nematode research is discussed. PMID- 29208056 TI - Importation, Mitigation, and Genomic Epidemiology of Candida auris at a Large Teaching Hospital. AB - OBJECTIVE Candida auris (CA) is an emerging multidrug-resistant pathogen associated with increased mortality. The environment may play a role, but transmission dynamics remain poorly understood. We sought to limit environmental and patient CA contamination following a sustained unsuspected exposure. DESIGN Quasi-experimental observation. SETTING A 528-bed teaching hospital. PATIENTS The index case patient and 17 collocated ward mates. INTERVENTION Immediately after confirmation of CA in the bloodstream and urine of a patient admitted 6 days previously, active surveillance, enhanced transmission-based precautions, environmental cleaning with peracetic acid-hydrogen peroxide and ultraviolet light, and patient relocation were undertaken. Pre-existing agreements and foundational relationships among internal multidisciplinary teams and external partners were leveraged to bolster detection and mitigation efforts and to provide genomic epidemiology. RESULTS Candida auris was isolated from 3 of 132 surface samples on days 8, 9, and 15 of ward occupancy, and from no patient samples (0 of 48). Environmental and patient isolates were genetically identical (4-8 single-nucleotide polymorphisms [SNPs]) and most closely related to the 2013 India CA-6684 strain (~200 SNPs), supporting the epidemiological hypothesis that the source of environmental contamination was the index case patient, who probably acquired the South Asian strain from another New York hospital. All isolates contained a mutation associated with azole resistance (K163R) found in the India 2105 VPCI strain but not in CA-6684. The index patient remained colonized until death. No surfaces were CA-positive 1 month later. CONCLUSION Compared to previous descriptions, CA dissemination was minimal. Immediate access to rapid CA diagnostics facilitates early containment strategies and outbreak investigations. Infect Control Hosp Epidemiol 2018;39:53-57. PMID- 29208052 TI - Collaborative modeling of an implementation strategy: a case study to integrate health promotion in primary and community care. AB - BACKGROUND: Evidence-based interventions are more likely to be adopted if practitioners collaborate with researchers to develop an implementation strategy. This paper describes the steps to plan and execute a strategy, including the development of structure and supports needed for implementing proven health promotion interventions in primary and community care. RESULTS: Between 10 and 13 discussion and consensus sessions were performed in four highly-motivated primary health care centers involving 80% of the primary care staff and 21 community based organizations. All four centers chose to address physical activity, diet, and smoking. They selected the 5 A's evidence-based clinical intervention to be adapted to the context of the health centers. The planned implementation strategy worked at multiple levels: bottom-up primary care organizational change, top-down support from managers, community involvement, and the development of innovative e health information and communication tools. Shared decision making and practice facilitation were perceived as the most positive aspects of the collaborative modeling process, which took more time than expected, especially the development of the new e-health tools integrated into electronic health records. CONCLUSIONS: Collaborative modeling of an implementation strategy for the integration of health promotion in primary and community care was feasible in motivated centers. However, it was difficult, being hindered by the heavy workload in primary care and generating uncertainty inherent to a bottom-up decision making processes. Lessons from this experience could be useful in diverse settings and for other clinical interventions. Two companion papers report the evaluation of its feasibility and assess quantitatively and qualitatively the implementation process. PMID- 29208059 TI - Associations of the serum long-chain n-3 PUFA and hair mercury with resting heart rate, peak heart rate during exercise and heart rate recovery after exercise in middle-aged men. AB - Long-chain n-3 PUFA from fish have been associated with lower risk of CVD. Fish may also contain methylmercury, which may attenuate the inverse associations of the long-chain n-3 PUFA. However, the mechanisms underlying these associations are not fully known. We evaluated the associations of the serum long-chain n-3 PUFA (EPA, DPA and DHA) and hair Hg with resting heart rate (HR), peak HR during cycle ergometer exercise and HR recovery after exercise. A total of 1008 men from the population-based Kuopio Ischaemic Heart Disease Risk Factor Study, aged 42-60 years and free of CVD, were studied. After multivariate-adjustments in ANCOVA, higher serum total long-chain n-3 PUFA concentration was associated with lower resting HR (extreme-quartile difference 2.2 beats/min; 95 % CI 0.2, 4.1, P trend across quartiles=0.02), but not with peak HR or HR recovery. Associations were generally similar when EPA, DPA and DHA were evaluated individually, except for DPA, which was also associated with better HR recovery after exercise (extreme quartile difference 2.1 beats/min; 95 % CI 0.1, 4.2, P trend=0.06). Higher hair Hg content had a trend towards lower peak HR after adjusting for the long-chain n 3 PUFA (P trend=0.05), but it only slightly attenuated the associations of the serum long-chain n-3 PUFA with HR. These findings suggest that higher serum long chain n-3 PUFA concentrations are associated with lower resting HR in middle-aged men from Eastern Finland, which may partially explain the potential cardioprotective effect of fish intake. PMID- 29208058 TI - Low-protein diet supplemented with ketoacids delays the progression of diabetic nephropathy by inhibiting oxidative stress in the KKAy mice model. AB - Diabetic nephropathy (DN) is a major cause of chronic kidney disease. We aimed to investigate the effect of the low-protein diets (LPD) supplemented with ketoacids (LPD+KA) in KKAy mice, an early type 2 DN model. KKAy mice were treated with normal protein diet (NPD), LPD or LPD+KA from 12 to 24 weeks of age. A period of 12-week treatment with LPD significantly reduced albuminuria as compared with that observed after NPD treatment. Treatment with LPD+KA further reduced albuminuria as compared with that observed with LPD treatment alone. Moreover, LPD treatment reduced mesangial expansion, thickness of glomerular basement membrane and the severity of the podocyte foot process effacement in KKAy mice; these effects were more pronounced in KKAy mice treated with LPD+KA. Both LPD and LPD+KA treatments slightly reduced total body weight, but had no significant effect on kidney weight and blood glucose concentrations when compared with NPD treated KKAy mice. LPD treatment slightly attenuated oxidative stress in kidneys as compared with that observed in NPD-treated KKAy mice; however, LPD+KA treatment remarkably ameliorated oxidative stress in diabetic kidneys as shown by decreased malondialdehyde concentrations, protein carbonylation, nitrotyrosine expression and increased superoxide dismutase expression. Nutritional therapy using LPD+KA confers additional renal benefits as compared with those of LPD treatment alone in early type 2 DN through inhibition of oxidative stress. PMID- 29208060 TI - Pertussis epidemiology prior to the introduction of a maternal vaccination program, Queensland Australia. AB - Pertussis morbidity is highest in infants too young to be fully protected by routine vaccination schedules. Alternate vaccine strategies are required to maximise protection in this age-group. To understand baseline pertussis epidemiology prior to the introduction of the maternal pertussis vaccination program in 2014, we conducted a retrospective case series analyses of 53 901 notifications and temporal trends from 1997 to 2014. Notifications were highest in infants younger than 4 months of age and highest annual notification rates in infants younger than 1 month of age (308/100 000 per year). Amongst Aboriginal and Torres Strait Islander infants aged younger than 1 month, this rate was 576/100 000 per year. Notification rates were 40% higher amongst women 15-44 years, 62.4/100 000 population compared with men (44.5/100 000) and 90% higher in Aboriginal and Torres Strait Islander women of the same age (38.2/100 000) compared with men (19.7/100 000). Six infant deaths were identified, all younger than 2 months of age. Monitoring epidemiology in at-risk groups - infants too young to be vaccinated, women of childbearing age and Aboriginal and Torres Strait Islander peoples - following implementation of the maternal pertussis vaccination program will be important to assess its impact and safety. PMID- 29208061 TI - Antichagasic effect of crotalicidin, a cathelicidin-like vipericidin, found in Crotalus durissus terrificus rattlesnake's venom gland. AB - Cathelicidins are antimicrobial peptides produced by humans and animals in response to various pathogenic microbes. Crotalicidin (Ctn), a cathelicidin related vipericidin from the South American Crotalus durissus terrificus rattlesnake's venom gland, and its fragments have demonstrated antimicrobial and antifungal activity, similarly to human cathelicidin LL-37. In order to provide templates for the development of modern trypanocidal agents, the present study evaluated the antichagasic effect of these four peptides (Ctn, Ctn[1-14], Ctn[15 34] and LL-37). Herein, Ctn and short derived peptides were tested against the epimastigote, trypomastigote and amastigote forms of Trypanosoma cruzi Y strain (benznidazole-resistant strain) and cytotoxicity in mammalian cells was evaluated against LLC-MK2 lineage cells. Ctn inhibited all T. cruzi developmental forms, including amastigotes, which is implicated in the burden of infection in the chronic phase of Chagas disease. Moreover, Ctn showed a high selective index against trypomastigote forms (>200). Ctn induced cell death in T. cruzi through necrosis, as determined by flow cytometry analyses with specific molecular probes and morphological alterations, such as loss of membrane integrity and cell shrinkage, as observed through scanning electron microscopy. Overall, Ctn seems to be a promising template for the development of antichagasic agents. PMID- 29208062 TI - Performances of statistical methods for the detection of seasonal influenza epidemics using a consensus-based gold standard. AB - Influenza epidemics are monitored using influenza-like illness (ILI) data reported by health-care professionals. Timely detection of the onset of epidemics is often performed by applying a statistical method on weekly ILI incidence estimates with a large range of methods used worldwide. However, performance evaluation and comparison of these algorithms is hindered by: (1) the absence of a gold standard regarding influenza epidemic periods and (2) the absence of consensual evaluation criteria. As of now, performance evaluations metrics are based only on sensitivity, specificity and timeliness of detection, since definitions are not clear for time-repeated measurements such as weekly epidemic detection. We aimed to evaluate several epidemic detection methods by comparing their alerts to a gold standard determined by international expert consensus. We introduced new performance metrics that meet important objective of influenza surveillance in temperate countries: to detect accurately the start of the single epidemic period each year. Evaluations are presented using ILI incidence in France between 1995 and 2011. We found that the two performance metrics defined allowed discrimination between epidemic detection methods. In the context of performance detection evaluation, other metrics used commonly than the standard could better achieve the needs of real-time influenza surveillance. PMID- 29208063 TI - Unusually high illness severity and short incubation periods in two foodborne outbreaks of Salmonella Heidelberg infections with potential coincident Staphylococcus aureus intoxication. AB - We describe the investigation of two temporally coincident illness clusters involving salmonella and Staphylococcus aureus in two states. Cases were defined as gastrointestinal illness following two meal events. Investigators interviewed ill persons. Stool, food and environmental samples underwent pathogen testing. Alabama: Eighty cases were identified. Median time from meal to illness was 5.8 h. Salmonella Heidelberg was identified from 27 of 28 stool specimens tested, and coagulase-positive S. aureus was isolated from three of 16 ill persons. Environmental investigation indicated that food handling deficiencies occurred. Colorado: Seven cases were identified. Median time from meal to illness was 4.5 h. Five persons were hospitalised, four of whom were admitted to the intensive care unit. Salmonella Heidelberg was identified in six of seven stool specimens and coagulase-positive S. aureus in three of six tested. No single food item was implicated in either outbreak. These two outbreaks were linked to infection with Salmonella Heidelberg, but additional factors, such as dual aetiology that included S. aureus or the dose of salmonella ingested may have contributed to the short incubation periods and high illness severity. The outbreaks underscore the importance of measures to prevent foodborne illness through appropriate washing, handling, preparation and storage of food. PMID- 29208064 TI - Sleep indices and eating behaviours in young adults: findings from Project EAT. AB - OBJECTIVE: To test the associations between sleep indices and eating behaviours in young adults, a group vulnerable to suboptimal sleep. DESIGN: Cross-sectional analysis of survey measures of sleep (i.e. time in bed, variability, timing and quality) and dietary patterns (i.e. breakfast skipping, eating at fast-food restaurants, consumption of sports and energy drinks, and sugar-free, sugar sweetened and caffeinated beverages). SETTING: Minneapolis/St. Paul metropolitan area of Minnesota (USA). SUBJECTS: A total of 1854 respondents (20-30 years, 55.6 % female) from the 2008-2009 survey conducted for the third wave of the population-based Project EAT (Eating and Activity in Teens and Young Adults) study. RESULTS: After adjustment for demographic and behavioural covariates in linear regression models, those who went to bed after 00.30 hours consumed 0.3 more servings of sugar-sweetened beverages per day, consumed 1.7 times more energy drinks, skipped breakfast 1.8 more times per week and consumed fast food 0.3 more times per week compared with those who went to bed before 22.30 hours. Reported sleep quality in the lowest (Q1) v. highest (Q3) tertile was associated with more intake of energy drinks (Q3 v. Q1, prevalence ratio, 95 % CI: 1.79, 1.24, 2.34), sports drinks (1.28, 1.00, 1.55) and breakfast skipping (adjusted mean, 95 % CI: Q1: 4.03, 3.81, 4.26; Q3: 3.43, 3.17, 3.69). Time in bed and sleep variability were associated with few eating behaviours. CONCLUSIONS: Some, but not all, sleep indices were related to problematic eating behaviours. Sleep habits may be important to address in interventions and policies that target improvements in eating patterns and health outcomes. PMID- 29208065 TI - Use of Confocal Microscopy to Evaluate Equine Zygote Development After Sperm Injection of Oocytes Matured In Vivo or In Vitro. AB - Confocal microscopy was used to image stages of equine zygote development, at timed intervals, after intracytoplasmic sperm injection (ICSI) of oocytes that were matured in vivo or in vitro. After fixation for 4, 6, 8, 12, or 16 h after ICSI, zygotes were incubated with alpha/beta tubulin antibodies and human anticentromere antibody (CREST/ACA), washed, incubated in secondary antibodies, conjugated to either Alexa 488 or Alexa 647, and incubated with 561-Phalloidin and Hoechst 33258. An Olympus IX81 spinning disk confocal microscope was used for imaging. Data were analyzed using chi 2 and Fisher's exact tests. Minor differences in developmental phases were observed for oocytes matured in vivo or in vitro. Oocytes formed pronuclei earlier when matured in vivo (67% at 6 h and 80% at 8 h) than in vitro (13% at 6 and 8 h); 80% of oocytes matured in vitro formed pronuclei by 12 h. More (p=0.04) zygotes had atypical phenotypes, indicative of a failure of normal zygote development, when oocyte maturation occurred in vitro versus in vivo (30 and 11%, respectively). Some potential zygotes from oocytes matured in vivo had normal phenotypes, although development appeared to be delayed or arrested. Confocal microscopy provided a feasible method to assess equine zygote development using limited samples. PMID- 29208066 TI - Estimating the likely true changes in rheumatic fever incidence using two data sources. AB - Acute rheumatic fever (ARF) continues to produce a significant burden of disease in New Zealand (NZ) Maori and Pacific peoples. Serious limitations in national surveillance data mean that accurate case totals cannot be generated. Given the changing epidemiology of ARF in NZ and the major national rheumatic fever prevention programme (2012-2017), we updated our previous likely true case number estimates using capture-recapture analyses. Aims were to estimate the likely true incidence of ARF in NZ and comment on the changing ability to detect cases. Data were obtained from national hospitalisation and notification databases. The Chapman Estimate partially adjusted for bias. An estimated 2342 likely true new cases arose from 1997 to 2015, giving a mean annual incidence of 2.9 per 100 000 (95% CI 2.5-3.5). Compared with the pre-intervention (2009-2011) baseline incidence (3.4 per 100 000, 95% CI 2.9-4.0), the likely true 2015 incidence declined 44%. Large gaps in data completeness are slowly closing. During the period 2012-2015, 723 cases were identified; 83.8% of notifications were matched to hospitalisation data, and 87.2% of hospitalisations matched to notifications. Despite this improvement, clinicians need to remain aware of the need to notify atypical patients. A possible unintended consequence of the national ARF prevention programme is increased misdiagnosis. PMID- 29208067 TI - Predicting weight status in Chinese pre-school children: independent and interactive effects of caregiver types and feeding styles. AB - OBJECTIVE: To investigate caregiver type as a potential moderating effect in the relationship between feeding style and weight status among Chinese pre-school children. DESIGN: Cross-sectional data collected with the Caregiver's Feeding Style Questionnaire (CFSQ), anthropometric data, childcare and sociodemographic information. SETTING: Shenyang, China. SUBJECTS: Caregiver-child dyads (n 857). RESULTS: After controlling for confounders, authoritarian feeding style was associated with a 0.30 lower BMI Z-score. Fathers as primary caregivers were related to lower BMI Z-score (beta=-0.66), while grandparents as main caregivers were associated with higher BMI Z-score (beta=0.66) after adjusting for covariates. Mothers buffered the relationship between authoritarian (beta=0.50, 95 % CI 0.04, 0.95) or indulgent (beta=-0.60, 95 % CI -1.06, -0.14) feeding styles and BMI Z-score. Grandparents strengthened the trend that indulgent feeding style was related to higher BMI Z-score (beta=0.54, 95 % CI 0.01, 1.08). CONCLUSIONS: The results of independent and interactive effects of specific feeding styles and caregiver types had different influences on child BMI Z scores. Longitudinal investigations are needed to evaluate the effect of fathers' and grandparents' feeding on their children's nutrition and weight status. PMID- 29208068 TI - In vitro supplementation with the porcine plasma product, betaGRO(r), stimulates activity of porcine fetal myoblasts and neonatal satellite cells in a divergent manner. AB - Two separate experiments were conducted to evaluate the effect of betaGRO(r) supplementation on in vitro porcine fetal myoblasts (PFM) and porcine satellite cells (PSC) proliferation, fusion and myotube thickness. The PFM and PSC were isolated from the m. longissimus dorsi of day 60 of gestation fetuses and piglets within 24 h of birth, respectively. Proliferation assays were conducted as 4*3 factorial arrangements with time of culture (24, 48, 72, 96 h) and media treatment (standard porcine media supplemented with 10% (vol/vol) fetal bovine serum (HS); HS without 10% fetal bovine serum (LS); and LS supplemented with 10 mg/ml betaGRO(r) (BG)) as main effects. Fusion and myotube growth assays were conducted as 2*2 factorial designs with serum concentration (HS or LS), and betaGRO(r) inclusion (0 or 10 mg/ml) as main effects. There was a treatment*time interaction and betaGRO(r)*serum interactions for proliferation, fusion and myotube thickness of PFM (P<0.01). At all-time points, HS and BG-PFM had greater proliferation rates compared LS (P<0.01). The HS treatment had greater proliferation rates than BG (P<0.02) except at 72 h of culture (P=0.44). When betaGRO(r) was added to LS media, fusion percentage and myotube thickness decreased (P<0.01), while fusion percentage increased (P<0.01) and myotube thickness was unaffected (P=0.63) when betaGRO(r) was added to HS media. There were treatment*time and betaGRO(r)*serum interactions for proliferation rate and fusion rate of PSC, respectively (P<0.01). At all-time points, HS had greater proliferation rates than LS and BG (P<0.01), and LS had greater proliferation rates than BG (P<0.02). When betaGRO(r) was added to LS and HS media, fusion percentage increased for both media types (P<0.01). There was no betaGRO(r)*serum interaction (P=0.63) for PSC myotube thickness; however, betaGRO(r) supplemented myotubes were thicker (P<0.01) than non-betaGRO(r) supplemented myotubes. These two experiments indicate in vitro betaGRO(r) supplementation stimulates divergent responses based on the age of cell examined. PMID- 29208069 TI - The Delirium Drug Scale is associated to delirium incidence in the emergency department. AB - : ABSTRACTBackground:The Delirium Drug Scale (DDS) is an evaluation scale developed to assess a patient's drug burden for delirium. The primary goal is to validate the association between the DDS score and the incidence of delirium. METHODS: This study was an observational retrospective cross-sectional chart review study in patients aged 75 years and older. It was carried out in three emergency departments of a tertiary care university health center. Patients were included if a medication list was available. Delirium present upon admission was assessed during the first five days of admission. RESULTS: A total of 1,205 subjects were included in the analysis. The mean age was of 83.4 years, and 62.4% were female. The prevalence of delirium was 19.1%. A total of 745 patients (62%) were exposed to DDS medication. The relative risk for the low (1-2) and high (>2) exposure group according to the DDS score was of 1.26 (CI: 0.95; 1.66) and 2.18 (CI: 1.61; 2.96) compared to a score of 0. In the multivariate analysis, dementia, anxiety, insomnia, history of delirium, infection, and acute kidney failure were significantly associated to delirium. When adjusted for confounding variables, the DDS score was associated with the incidence of delirium with an odd ratio (OR) of 1.29 (CI: 1.16; 1.44). CONCLUSIONS: This study found that DDS score was associated with delirium incidence. The association persisted in the multivariate analysis adjusted for 26 known risks and precipitating factors for delirium. PMID- 29208070 TI - Neuropsychological outcomes in CHD beyond childhood: a meta-analysis. AB - BACKGROUND: Risk for neurodevelopmental delay in infants and children with CHD is well established, but longer-term outcomes are equivocal. A meta-analysis was conducted to establish whether cognitive deficits remain beyond childhood - into teenage and young adult years. Methods and results A total of 18 unique samples, involving adolescents, teenagers, and adults with CHD significant enough to require invasive intervention, and sourced through searches of Web of Science, MEDLINE, CINAHL Plus, and PsychInfo, met the inclusion criteria. These included the use of standardised neuropsychology tests across 10 domains of cognitive functioning and the reporting of effect size differences with controls. Reports of patients with chromosomal or genetic abnormalities were excluded. Pooled effect sizes suggested no significant differences between CHD samples and controls in terms of general intellectual ability and verbal reasoning. However, small-medium effects sizes were noted (0.33-0.44) and were statistically significant within the domains of non-verbal reasoning, processing speed, attention, auditory-verbal memory, psychomotor abilities, numeracy, and literacy with executive functioning also emerging as significant when one study outlier was excluded. We also included quality assurance statistics including Cochran's Q, T, and I2 statistics, leave-one-out analyses, and assessment of publication bias. These often suggested study variability, possibly related to the heterogeneity of diagnostic groups included, and different tests used to measure the same construct. CONCLUSIONS: Heterogeneity indicated that moderators affect cognitive outcomes in CHD. Nevertheless, deficits across cognitive domains were discerned, which are likely to have functional impact and which should inform practice with this clinical population. PMID- 29208071 TI - Economic policy and the double burden of malnutrition: cross-national longitudinal analysis of minimum wage and women's underweight and obesity. AB - OBJECTIVE: To examine changes in minimum wage associated with changes in women's weight status. DESIGN: Longitudinal study of legislated minimum wage levels (per month, purchasing power parity-adjusted, 2011 constant US dollar values) linked to anthropometric and sociodemographic data from multiple Demographic and Health Surveys (2000-2014). Separate multilevel models estimated associations of a $10 increase in monthly minimum wage with the rate of change in underweight and obesity, conditioning on individual and country confounders. Post-estimation analysis computed predicted mean probabilities of being underweight or obese associated with higher levels of minimum wage at study start and end. SETTING: Twenty-four low-income countries. SUBJECTS: Adult non-pregnant women (n 150 796). RESULTS: Higher minimum wages were associated (OR; 95 % CI) with reduced underweight in women (0.986; 0.977, 0.995); a decrease that accelerated over time (P-interaction=0.025). Increasing minimum wage was associated with higher obesity (1.019; 1.008, 1.030), but did not alter the rate of increase in obesity prevalence (P-interaction=0.8). A $10 rise in monthly minimum wage was associated (prevalence difference; 95 % CI) with an average decrease of about 0.14 percentage points (-0.14; -0.23, -0.05) for underweight and an increase of about 0.1 percentage points (0.12; 0.04, 0.20) for obesity. CONCLUSIONS: The present longitudinal multi-country study showed that a $10 rise in monthly minimum wage significantly accelerated the decline in women's underweight prevalence, but had no association with the pace of growth in obesity prevalence. Thus, modest rises in minimum wage may be beneficial for addressing the protracted underweight problem in poor countries, especially South Asia and parts of Africa. PMID- 29208072 TI - Risk-based strategies for surveillance of tuberculosis infection in cattle for low-risk areas in England and Scotland. AB - Disease surveillance can be made more effective by either improving disease detection, providing cost savings, or doing both. Currently, cattle herds in low risk areas (LRAs) for bovine tuberculosis (bTB) in England are tested once every 4 years. In Scotland, the default herd testing frequency is also 4 years, but a risk-based system exempts some herds from testing altogether. To extend this approach to other areas, a bespoke understanding of at-risk herds and how risk based surveillance can affect bTB detection is required. Here, we use a generalized linear mixed model to inform a Bayesian probabilistic model of freedom from infection and explore risk-based surveillance strategies in LRAs and Scotland. Our analyses show that in both areas the primary herd-level risk factors for bTB infection are the size of the herd and purchasing cattle from high-risk areas of Great Britain and/or Ireland. A risk-based approach can improve the current surveillance system by both increasing detection (9% and 7% fewer latent infections), and reducing testing burden (6% and 26% fewer animal tests) in LRAs and Scotland, respectively. Testing at-risk herds more frequently can also improve the level of detection by identifying more infected cases and reducing the hidden burden of the disease, and reduce surveillance effort by exempting low-risk herds from testing. PMID- 29208073 TI - Dallas MegaShelter Medical Operations Response to Hurricane Harvey. AB - On August 25, 2017, Hurricane Harvey made landfall near Corpus Christi, Texas. The ensuing unprecedented flooding throughout the Texas coastal region affected millions of individuals.1 The statewide response in Texas included the sheltering of thousands of individuals at considerable distances from their homes. The Dallas area established large-scale general population sheltering as the number of evacuees to the area began to amass. Historically, the Dallas area is one familiar with "mega-sheltering," beginning with the response to Hurricane Katrina in 2005.2 Through continued efforts and development, the Dallas area had been readying a plan for the largest general population shelter in Texas. (Disaster Med Public Health Preparedness. 2017;page 1 of 4). PMID- 29208076 TI - Improving diagnostic communication in dementia. AB - In many countries around the world, owing to the lack of specialists and equipment, delay up to a few years in help-seeking and getting diagnostic examinations for dementia is not uncommon (Sayegh and Knight, 2013), and this situation is considerably more serious in "atypical dementias" due to the challenge they present for differential diagnosis. For instance, a survey in the USA showed that misdiagnosis was common in patients with Lewy body dementia who, on average, saw at least three physicians over a year's time or more before getting the proper diagnosis (Lewy Body Dementia Association, 2010). Furthermore, in multiethnic communities, cultural and language barriers between practitioners and patients may lead to substantial delay as well (Sayegh and Knight, 2013). PMID- 29208074 TI - The impact of implementing a Xpert MTB/RIF algorithm on drug-sensitive pulmonary tuberculosis: a retrospective analysis. AB - Xpert MTB/RIF (Xpert) is the preferred first-line test for all persons with tuberculosis (TB) symptoms in South Africa in line with a diagnostic algorithm. This study evaluates pre- and post-implementation trends in diagnostic practices for drug-sensitive, pulmonary TB in adults in an operational setting, following the introduction of the Xpert-based algorithm. We retrospectively analysed data from the national TB database for Greater Tzaneen sub-district, Limpopo Province. Trends in a number of cases, diagnosis and outcome and characteristics associated with death are reported. A total of 8407 cases were treated from 2008 until 2015, with annual cases registered decreasing by 31.7% over that time period (from 1251 to 855 per year). After implementation of Xpert, 69.9% of cases were diagnosed by Xpert, 29.4% clinically, 0.6% by smear microscopy and 0.1% by culture. Cases with a recorded microbiological test increased from 76.2% to 96.4%. Cases started on treatment without confirmation, but with a negative microbiological test increased from 7.1% to 25.7%. Case fatality decreased from 15.0% to 9.8%, remaining consistently higher in empirically treated groups, regardless of HIV status. Implementation of the algorithm coincided with a reduced number of TB cases treated and improved coverage of microbiological testing; however, a substantial proportion of cases continued to start treatment empirically. PMID- 29208075 TI - Estimating vaccine effectiveness against laboratory-confirmed influenza among children and adolescents in Lower Saxony and Saxony-Anhalt, 2012-2016. AB - Influenza vaccine effectiveness (VE) has to be estimated anew for every season to explore vaccines' protective effect in the population. We report VE estimates against laboratory-confirmed influenza A(H1N1)pdm09, A(H3N2) and influenza B among children aged 2-17 years, using test-negative design. Pooled data from two German federal states' surveillance systems for acute respiratory illness from week 40/2012 to 20/2016 was used, yielding a total of 10 627 specimens. Odds ratios and 95% confidence intervals (95% CIs) for the association between laboratory-confirmed influenza and vaccination status were calculated by multivariate logistic regression adjusting for age, sex, illness onset and federal state. VE was estimated as 1-Odds Ratio. Overall adjusted VE was 33% (95% CI: 24.3-40.7). A strong variation of VE between the seasons and subtypes was observed: highest season- and subtype-specific VE of 86.2% (95% CI: 41.3-96.7) was found against A(H1N1)pdm09 in 7-17-year-olds in 2015/16. Low estimates of VE were observed against A(H3N2) in any season, e.g. 1.5% (95% CI: -39.3-30.3) in 2014/15. Estimates showed a tendency to higher VE among 7-17-year-old children, but differences were not statistically significant. Although our findings are common in studies estimating influenza VE, we discussed several explanations for observed low VE. PMID- 29208077 TI - Response Time Consistency Is an Indicator of Executive Control Rather than Global Cognitive Ability. AB - OBJECTIVES: Intraindividual variability increases with age, but the relative strength of association with cognitive domains is still unclear. The objective of this study was to examine the relation between cognitive domains and the shape and spread of response time (RT) distributions as indexed by intraindividual standard deviation (ISD), and ex-Gaussian parameters (MU, sigma, tau). METHODS: Healthy adults (40 young [aged 18-30 years], 40 young-old [aged 65-74 years], and 41 old-old [aged 75-85 years]) completed neuropsychological testing and a touch screen attention task from which ISD and ex-Gaussian parameters were derived. The relation between RT performance and cognitive domains (memory, processing speed, executive functioning) was examined with structural equation modeling (SEM), and the predictive power of RT distribution indices over age was investigated with linear regression. RESULTS: ISD, MU, and tau, but not sigma, showed a linear increase with age group. An SEM showed that independent of age, tau was most strongly associated with executive functioning, while MU exhibited less critical associations. Linear regression indicated that MU and tau explained a significant portion of variance in processing speed and executive ability in addition to age group. Memory was more parsimoniously predicted by age, without any significant contribution of ex-Gaussian parameters. CONCLUSIONS: The findings suggest that exceptionally slow responses convey attention lapses through wavering of cognitive control, which strongly correspond to executive functioning tests. General slowing and extremely slow responses predicted processing speed and executive performance beyond age group, indicating that RT metrics are sensitive to differences in cognitive ability. (JINS, 2018, 24, 456-465). PMID- 29208078 TI - Community junior sport sponsorship: an online experiment assessing children's responses to unhealthy food v. pro-health sponsorship options. AB - OBJECTIVE: To explore children's responses to sponsorship of community junior sport by unhealthy food brands and investigate the utility of alternative, pro health sponsorship options. DESIGN: Between-subjects experiment, with four sponsorship conditions: A, non-food branding (control); B, unhealthy food branding; C, healthier food branding; D, obesity prevention campaign branding. SETTING: Online experiment conducted in schools. Participants were shown a junior sports pack for their favourite sport that contained merchandise with branding representing their assigned sponsorship condition. Participants viewed and rated the sports pack, completed a distractor task, then completed questions assessing brand awareness, brand attitudes and preference for food sponsors' products. SUBJECTS: Students in grades 1 to 3 (aged 5-10 years; n 1124) from schools in metropolitan Melbourne, Australia. RESULTS: Compared with the control condition, there were no significant effects of unhealthy food branding on awareness of, attitudes towards or preference for these brands. Exposure to healthier food branding prompted a significant increase in the proportion of children aware of these brands, but did not impact attitudes towards or preference for these brands. Exposure to either healthier food branding or obesity prevention campaign branding prompted a significant reduction in the proportion of children showing a preference for unhealthy food sponsor products. CONCLUSIONS: The sponsorship of children's sport by healthier food brands may promote awareness of these brands and healthier sponsorship branding may reduce preferences for some unhealthy food products. Establishing and implementing healthy sponsor criteria in sports clubs could forge healthier sponsorship arrangements and help phase out unhealthy food and beverage sponsors. PMID- 29208079 TI - Asthma control, lung function, symptoms, and corticosteroid sparing after omalizumab initiation in patients with allergic asthma. AB - BACKGROUND: Omalizumab is approved in patients with moderate-to-severe allergic asthma with symptoms uncontrolled, despite the mainstay therapy. OBJECTIVE: Electronic medical records (EMR) were used to increase the knowledge of omalizumab effectiveness in a real-world setting. METHODS: Patients with uncontrolled moderate-to-severe allergic asthma, ages >=12 years old, initiated on omalizumab (index date), with >=12 months of pre- and postindex data, were identified in an EMR data base. An Asthma Control Test score (>=20 is considered well controlled), forced expiratory volume in 1 second as a percentage of the predicted value (<80% considered below normal), symptoms, and oral corticosteroid (OCS) and inhaled corticosteroid (ICS) use were compared in the 12-month post- versus the preindex period with univariate generalized estimating equations adjusted for repeated measurements. RESULTS: A total of 208 patients (mean +/- standard deviation[SD] age, 41 +/- 19 years; 64.9% women; 71.2% white; and with a mean +/- SD serum total immunoglobulin E level of 455.4 +/- 644.7 IU/mL) were identified. In the post- versus preindex period, the patients were significantly more likely to have well-controlled asthma (odds ratio [OR] 1.72 [95% confidence interval {CI}, 1.11-2.64]) and less likely to have a lung function value below normal (nonsignificant) after omalizumab initiation. The patients experienced significantly less coughing (OR 0.66 [95% CI, 0.49-0.91]), shortness of breath (OR 0.60 [95% CI, 0.44-0.83]), and wheezing (OR 0.59 [95% CI, 0.43-0.81]), with no improvement in chest tightness. A significantly lower likelihood of new OCS prescriptions (OR 0.58 [95% CI, 0.41-0.82]) was observed. A lower likelihood of new high- and medium-dose ICS prescriptions was nonsignificant. CONCLUSION: Omalizumab was associated with beneficial effects on asthma control and symptoms, and the likelihood of requiring new OCS prescriptions. An observed trend of improved lung function and lower likelihood of requiring high- and medium-dose ICS did not reach statistical significance. PMID- 29208080 TI - Selective Determination of Diazinon and Chlorpyrifos in the Presence of Their Degradation Products: Application to Environmental Samples. AB - An accurate, sensitive, and selective HPLC method was developed and validated for the determination of diazinon and chlorpyrifos. These pesticides were subjected to different stress conditions, such as acidic, alkaline, oxidative, thermal, and photolytic hydrolysis. The proposed method used a C18 Eclipse Plus column (100 * 4.6 mm, 3.5 um) and a mobile phase consisting of acetonitrile-water (70 + 30, v/v) in an isocratic separation mode. The flow rate was 1.5 mL/min, with UV detection at 247 and 230 nm for diazinon and chlorpyrifos, respectively. The proposed method was linear over the range of 0.40-50.00 ug/mL for diazinon and 0.40-40.00 ug/mL for chlorpyrifos. The proposed method was validated per International Conference on Harmonization guidelines and subsequently applied for the successful determination of the studied pesticides in bulk form in their commercial samples in the presence of their degradation products. The developed method was used for the determination of the residues of these pesticides in lavender and rosemary leaves that were pretreated with the recommended doses of these pesticides. PMID- 29208081 TI - The 2003 European heat waves. AB - The current issue of Eurosurveillance updates and provides additional context to the report in early 2004 of an estimated 22 080 excess deaths in England and Wales, France, Italy and Portugal during and immediately after the heat waves of the summer of 2003 [1]. While estimates for England and Wales [2], France [3], and Portugal [4], are largely unchanged from those reported earlier, to these should be added 6595-8648 excess deaths in Spain [5], of which approximately 54% or 3574-4687 occurred in August, and 1400-2200 in the Netherlands [6], of which an estimated 500 occurred during the heat wave of 31 July-13 August. Data for Italy, provided here for the cities of Bologna, Milan, Rome, and Turin, are compatible with the earlier estimate that 3134 excess deaths occurred in the 21 Italian regional capitals during the period 1 June-15 August [1,7]; the Italian National Institute of Statistics however, reported an excess of 19 780 deaths country-wide during June-September 2003 as compared to 2002 [8]. Reports elsewhere indicate that approximately 1250 heat-related deaths occurred in Belgium during the summer of 2003 [9], that there were 975 excess deaths during June-August in Switzerland [10] and 1410 during the period August 1-24 in Baden Wurttemberg, Germany [11]. At this point, it seems reasonable to speculate that with evidence of heat wave-associated deaths beyond England and Wales, France, Italy, and Portugal, the previously published estimate of 22 080 early August excess deaths should be revised upward by at least 50% for all of western Europe, and by 100% or more if heat events that occurred during June and July 2003 are also taken into account. PMID- 29208082 TI - The impact of the summer 2003 heat waves on mortality in four Italian cities. AB - This study evaluates the impact of the 2003 heat wave on cause-specific mortality and the role of demographic characteristics and socioeconomic conditions that may have increased the risk of mortality in four Italian cities: Bologna, Milan, Rome and Turin. Daily mortality counts, for the resident population by age, sex and cause of death were considered. Daily excess mortality was calculated as the difference between the number of deaths observed and the smoothed average. The impact of heat on health is measured in terms of maximum apparent temperature. The greatest excess in mortality was observed in the north west of Italy (Turin, +23% and Milan, +23%). The old (75-84 years) and the very old (85+ years) were the age groups most affected, and when stratifying by sex, the increase in mortality seemed to be greater among females. The greatest excess in mortality was registered in those with low socioeconomic status in Rome (+17.8%) and in those with lower education levels in Turin (+43%). The analysis of cause-specific mortality not only confirms results from previous studies of an increase in heat related mortality by respiratory and cardiovascular diseases, but also shows a significant excess in mortality for diseases of the central nervous system and for metabolic/endocrine disorders. Results from 2003 highlight the necessity of targeting future prevention programmes at the susceptible sub-groups identified. The introduction of warning systems alongside efficient preventive plans and the monitoring of mortality during heat waves may represent a valid tool for the reduction of heat-related deaths. PMID- 29208083 TI - Real or media-mediated outbreak of coxsackie infections in 2002 in Greece? AB - The purpose of this study was to provide evidence about the existence of a coxsackie B outbreak in Greece in 2002 by comparing data of laboratory confirmed coxsackie B recent infections in northern Greece between 1998-2001 with data from 2002. The infections were confirmed serologically, using the indirect immunofluorescence method detecting IgM antibodies for coxsackie B1-B6 viruses. Sera from 2701 patients residents of northern Greece who were suspected to be suffering from coxsackie B virus infections were examined: 2056 between 1998 and 2001, and 645 in 2002. The comparison between the results of laboratory confirmed cases and data available at the laboratory between the two periods showed that: - The total number of patients examined per year was higher in 2002 (645 versus an annual average of 514 in 1998-2001). - The proportion of laboratory confirmed recent infections was lower in 2002 (27.8% versus 32.7%) and the estimated incidence was 0.66/10 000 for 2002 and 0.32-0.84/10 000 for 1998-2001. - The age distribution differed: the proportions of cases in children versus cases in adults were reversed in 2002 compared with 1998-2001, with a higher proportion among children in 2002. The difference between the two periods was statistically significant. Children aged 3-5 years were the age group most affected in 2002. - Seasonal distribution remained the same for both periods (peaks in spring and autumn). In 2002, three fatal cases occurred in April, but no deaths were reported in 1998-2001. - The clinical syndromes involved also differed: cases of respiratory infections, mainly pneumonia, rose from 5.75% to 24.3% in children in 2002 and cases of myopericarditis rose in adults from 13% in 1998-2001 to 29.5% in 2002. The last finding, combined with the involvement of the media (because of the three fatal cases) and the panic in the general public that followed suggested that an outbreak had occurred, but we conclude that there was no outbreak. PMID- 29208084 TI - Late detection of a shigellosis outbreak in a school in Madrid. AB - Even though shigellosis in Spain is rare, an indigenous outbreak is occasionally detected. We describe an outbreak in a school in Madrid caused by person-to person transmission of Shigella sonnei. After the detection of Shigella sonnei in a stool sample from a 3 year old girl, an investigation at her school was initiated. Questionnaires were distributed to the parents of 520 pupils attending the school. A case was defined as a school case if it was the first case in a child's household, and as a household case if other members of the household had fallen ill first. We identified 88 cases (60 pupils and 28 of their family members). The attack rate (AR) was 12% in the school and 32% in the families. There was a significant association between higher AR and lower age. The outbreak lasted for two months. The length and the shape of the epidemic curve of the 60 cases in pupils suggests person-to-person transmission. Shigella sonnei isolated from 5 different cases were typed by pulsed field gel electrophoresis (PFGE) and was found to be an identical strain. The prolonged duration of the outbreak was probably due to delayed detection, and stopped as soon as control measures were introduced. PMID- 29208085 TI - Disseminated and chronic Lyme borreliosis in Norway, 1995 - 2004. AB - Lyme borreliosis is the most common tickborne infection in Norway. All clinical manifestations of Lyme borreliosis other than erythema migrans are notifiable to Folkehelseinstituttet, the Norwegian Institute of Public Health. During the period 1995-2004 a total of 1506 cases of disseminated and chronic Lyme borreliosis were reported. Serological tests were the basis for laboratory diagnosis in almost all cases. The annual numbers of cases showed no clear trend over the period, but varied each year between 120 and 253 cases, with the highest number of cases reported in 2004. Seventy five per cent of cases with information on time of onset were in patients who fell ill during the months of June to October. There was marked geographical variation in reported incidence rates, with the highest rates reported from coastal counties in southern and central Norway. Fifty six per cent of the cases were in males and 44% in females. The highest incidence rate was found in children aged between 5 and 9 years. Neuroborreliosis was the most common clinical manifestation (71%), followed by arthritis/arthralgia (22%) and acrodermatitis chronica atrophicans (5%). Forty six per cent of patients were admitted to hospital. Prevention of borreliosis in Norway relies on measures to prevent tick bites, such as use of protective clothing and insect repellents, and early detection and removal of ticks. Antibiotics are generally not recommended for prophylaxis after tick bites in Norway. PMID- 29208086 TI - Absence of infection in asymptomatic contacts of index SARS case in France. AB - The first case of severe acute respiratory syndrome (SARS) in France was diagnosed in March 2003. We conducted a serological survey to assess whether or not asymptomatic persons who had been in contact with this patient during his infectious stage had been infected. They were interviewed and asked to provide a blood sample for SARS coronavirus immunoglobulin G antibody testing. Despite the likely high infectivity of the SARS patient, no asymptomatic SARS infection was found in any of the 37 contacts included. These findings support a SARS case definition that is essentially based on clinical and epidemiological assessment, should SARS re-emerge. PMID- 29208087 TI - Reply to Letter: Outbreaks caused by parvovirus B19. AB - We are grateful for the comments provided by Kelly and Leydon, and Bernard J Cohen. They seem to share our previously expressed opinion that 'in the context of measles and rubella elimination programs, study protocols should include data collection procedures and laboratory tests able to confirm or discard the diagnosis of B19 infections.' [1]. They have provided a useful commentary with relevant information and references. PMID- 29208088 TI - Pneumococcal vaccination policy in Europe. AB - Infection due to Streptococcus pneumoniae (Pneumococcus) (Pnc) is an important cause of invasive clinical manifestations such as meningitis, septicaemia and pneumonia, particularly in young children and the elderly. A 23-valent polysaccharide Pnc vaccine (PPV) has been available for many years and a 7-valent conjugate Pnc vaccine (PCV) has been licensed since 2001 in Europe. As part of a European Union (EU) funded project on pneumococcal disease (Pnc-EURO), a questionnaire was distributed to all 15 EU member states, Switzerland, Norway and the 10 accession countries in 2003 to ascertain current pneumococcal vaccination policy. Twenty three of the 27 target countries, constituting the current European Union (plus Norway and Switzerland), completed the questionnaire. PPV was licensed in 22 of the 23 responding countries and was in the official recommendations of 21. In all the 20/21 countries for which information was available, risk groups at higher risk of infection were targeted. The number of risk groups targeted ranged from one to 12. At least 17 countries recommend that PPV be administered to all those >65 years of age (in three countries, to those over 60 years of age). Thirteen countries had developed national recommendations for PCV in 2003. No country recommended mass infant immunisation at that time, but rather targeted specific risk groups (between 1 and 11), particularly children with asplenia (n=13) and HIV infection (n=12). PCV use was restricted to children under two years of age in seven countries, and in four countries to children under five years of age. Future decisions on use of pneumococcal vaccines in Europe will be decided on the basis of several factors including: local disease burden; the predicted impact of any universal programme, particularly the importance of serotype replacement and herd immunity (indirect protection to the unvaccinated population); the effectiveness of reduced dose schedules, and vaccine cost. Indeed, at least one country, Luxembourg, has since implemented a universal infant PCV immunisation policy. PMID- 29208089 TI - A human case of travel-related rabies in Austria, September 2004. AB - A young male Austrian tourist, aged 23 years and unvaccinated against rabies, was bitten by a dog in Morocco in July 2004. One month later he was hospitalised in Ceuta with symptoms compatible with rabies. He died on 23 September in an Austrian hospital after a diagnosis of rabies was confirmed by FAT, IHC and RT PCR (including sequencing) of the neck skin and the RT-PCR (including sequencing) of the pharyngeal swab. This Austrian case of laboratory confirmed rabies highlights the urgent need for reinforcement of the international recommendations for travel vaccinations. PMID- 29208090 TI - Mortality in Spain during the heat waves of summer 2003. AB - The effect of the elevated temperatures on mortality experienced in Europe during the summer of 2003 was observed in several countries. This study, carried out in Spain, describes mortality between 1 June and 31 August and evaluates the effect of the heat wave on mortality. Observed deaths were obtained from official death registers from 50 provincial capitals. Observed deaths were compared with the expected number, estimated by applying a Poisson regression model to historical mortality series and adjusting for the upward trend and seasonality observed. Meteorological information was provided by the Instituto Nacional de Meteorologia (National Institute of Meteorology). Spain experienced three heat waves in 2003. The total associated excess deaths were 8% (43 212 observed deaths compared with 40 046 expected deaths). Excess deaths were only observed in those aged 75 years and over (15% more deaths than expected for the age group 75 to 84 and 29% for those aged 85 or over). This phenomenon (heat-associated excess mortality) is an emerging public health problem because of its increasing attributable risk, the aging of the Spanish population and its forecasted increasing frequency due to global warming. The implementation of alert and response systems based on monitoring of climate-related risks, emergency room activity and mortality, and strengthening the response capacity of the social and health services should be considered. PMID- 29208091 TI - Mortality in Portugal associated with the heat wave of August 2003: Early estimation of effect, using a rapid method. AB - During the first two weeks of August 2003, Portugal was affected by a severe heat wave. Following the identification in Portugal of the influence of heat waves on mortality in 1981 and 1991 (estimated excess of about 1900 and 1000 deaths respectively), the Observatorio Nacional de Saude (ONSA) - Instituto Nacional de Saude Dr. Ricardo Jorge, together with the Vigilancia Previsao e Informacao - Instituto de Meteorologia, created a surveillance system called ICARO, which has been in operation since 1999. ICARO identifies heat waves with potential influence on mortality [1]. Before the end of the 2003 heat wave, ONSA had produced a preliminary estimate of its effect on mortality. The results based on daily number of deaths from 1 June to 12 August 2003 were presented within 4 working days. Data was gathered from 31 National Civil registrars, covering the district capitals of all 18 districts of mainland Portugal, and representing approximately 40% of the mainland's mortality. The number of deaths registered in the period 30 July to 12 August was compared with the ones registered during 3 comparison periods: (in July): 1-14 July, 1-28 July, and 15-28 July). 15-28 July, the period best resembling the heat wave in time and characteristics, produced an estimation of 37.7% higher mortality rate then the value expected under normal temperature conditions. From this value, an estimate of 1316 death excess was obtained for mainland Portugal. The main purpose of this article is to present the method used to identify and assess the occurrence of an effect (excess mortality) during the heat wave of summer 2003. PMID- 29208092 TI - New diagnoses of HTLV infection in England and Wales: 2002-2004. AB - Human T cell lymphotropic viruses (HTLV) are retroviruses transmitted through breastfeeding, sexual contact, blood transfusion and injecting drug use. HTLV is endemic in the Caribbean, and parts of Africa, Japan and South America, with isolated foci in other areas. Infection is life long. Fewer than 5% of those infected progress to one of the HTLV-related diseases, but these are debilitating and often fatal. In England and Wales, laboratory and clinical reports of new HTLV diagnoses are routinely collected, including infections identified by the blood service since the introduction of anti-HTLV testing in August 2002. Between 2002 and 2004, 273 individuals were diagnosed with HTLV: 102 (37%) were male and 169 female (sex was not reported for two). Median ages at diagnosis were 54 and 50 years respectively. Clinical reports were received for 78% (212/273) individuals. Where reported, 58% (116/199) of individuals were of black Caribbean ethnicity and 29% (57/199) white; 87% (128/147) were probably infected heterosexually or through mother-to-child transmission; 45% (66/146) were probably infected in the Caribbean and 40% (59/146) in the United Kingdom. An appreciable number of HTLV infections continue to be diagnosed within England and Wales, with increases in 2002-2003 because of anti-HTLV testing of blood donations. While most infections diagnosed are directly associated with the Caribbean, transmission of HTLV infection is occurring within England and Wales. Specialist care services for HTLV-infected individuals and their families have improved in recent years, but prevention remains limited. PMID- 29208093 TI - Comparison of the European Union Disease Surveillance Networks' websites. AB - Currently the surveillance of infectious disease in the European Union (EU) is supported by the Basic Surveillance Network (BSN) and other disease specific surveillance networks (DSNs). Each network has its own website. The objective of the current study was to describe the information presented with public access on each website from the perspective of its usefulness for the surveillance of an EU member state. The BSN and the DSNs cited in Decision 2003/542/CE were included. Each website was reviewed and assessed on the inclusion of characteristics from three broad categories: 1) general information, 2) procedures for data collection and 3) data presentation. Ten surveillance network websites were reviewed during the week of 5 December 2005. At least 80% of the 10 networks included a list of participating countries, the contact addresses for the coordinator of the network and the participating country gatekeepers and the network's objectives. Only one network specified the source and coverage of the data of each country on its website, and seven presented the disease case definition. Raw data were shown on eight websites and only two networks included presentation of elaborated data for the whole of the EU. Four networks included no reports on their websites. The periodicity of presentation for both raw data and elaborated data varied greatly between networks. The publicly available information on the 10 network websites studied was not homogeneous. We recommend that all networks present a basic set of characteristics on their websites, including case definitions, procedures used for data collection and periodic reports covering elaborated data for the entire EU. PMID- 29208094 TI - The epidemiology of severe Streptococcus pyogenes associated disease in Europe. AB - Several European countries reported outbreaks of severe disease caused by Streptococcus pyogenes in the late 1980s. This marked a departure from the previous decades, where very few such outbreaks were noted. These changes in disease occurrence formed part of a global phenomenon, the reasons for which have yet to be explained. Results of surveillance activities for invasive S. pyogenes infection within Europe over the past fifteen years identified further increases in many countries. However, variations in surveillance methods between countries preclude robust comparisons being made, illustrating the need for a unified surveillance strategy across Europe. This was finally embodied in the Strep-EURO programme, introduced in 2002. PMID- 29208096 TI - An outbreak of airborne tularaemia in France, August 2004. AB - Fifteen tularaemia cases were identified after a holiday spent at a converted mill in the Vendee region in France, between 9 and 12 August 2004. The mill was visited, and descriptive, retrospective cohort and environmental investigations were conducted. The 39 people who had stayed at the mill between 24 July and 11 August were asked about symptoms, exposure to food and animals, and leisure activities. A case was defined as a person with evidence of fever and a positive serology (seroconversion or significant rise in antibody titre, or a single titre) = 40. Culture for Francisella tularensis and polymerase chain reaction (PCR) diagnosis was carried out for drinking water, firewood, and domestic animals at the mill. Fifteen cases of tularaemia (38%) were confirmed. Twelve of the cases (80%) had the pulmonary form. None of the patients was admitted to hospital. There was a strong association between infection and participation in a dinner at the mill on 4 August (p<10-8). One of the three dogs present in the dining room was serologically positive for F. tularensis. Results of analysis of environmental samples were negative. These investigations confirmed the occurrence of a cluster of 15 tularaemia cases, in patients who were infected on the evening of 4 August, in a mill in Vend|e, an endemic area for tularaemia. The investigations highlight the existence of nonspecific and benign pulmonary forms of the illness in France. The pulmonary form of infection in the human cases and the positive serology of the dog suggest contamination by inhalation of contaminated particles from the dog!-s fur disseminated by the dog shaking itself. PMID- 29208095 TI - Emerging Salmonella Enteritidis anaerogenic phage type 14b: Outbreak in Norwegian, Swedish and Finnish travellers returning from Greece. AB - In July 2001, the Norwegian Institute of Public Health (Folkehelseinstituttet, FHI) reported a cluster of Salmonella Enteritidis of phage type 14b infections in Norwegian travellers returning from Greece. An increase in the same uncommon phage type was also registered in Sweden and Finland at the same time. Cases of S. Enteritidis PT 14b in patients returning from Greece were reported in these three Nordic countries in 2001 (303 cases), 2002 (164 cases) and 2003 (199 cases). Case-control studies performed in 2001 in Norway and Sweden indicated that consumption of chicken was associated with illness. In 2002 and 2003, continuing case reports indicated that this uncommon phage type had probably become established in the Greek food chain. Tour operators were informed and contacts were made with Greek public health authorities. Because place of infection is not systematically included in most Salmonella notification systems, the S. Enteritidis phage type 14b outbreak reported here may represent only part of a larger outbreak among travellers visiting Greece. Infections are often reported only in the tourists' home countries and public health authorities in the tourist destinations may not be aware of the problem. Further collaboration between national institutes of public health in Europe is needed to detect outbreaks occurring among tourists. PMID- 29208097 TI - Surveillance of antimicrobial resistance of invasive pathogens: the Estonian experience. AB - The aim of the present study was to evaluate the needs for surveillance of invasive Gram-negative pathogens in Estonia. The antimicrobial susceptibility data of invasive isolates of Acinetobacter baumannii, Pseudomonas aeruginosa, Klebsiella spp, Escherichia coli, Staphylococcus aureus, Streptococcus pneumoniae and enterococci were collected in accordance with EARSS (European Antimicrobial Resistance Surveillance System) protocols. Despite the higher rate of Gram positive pathogens, their resistance to antimicrobials was low in contrast to the elevated resistance established for Gram negative pathogens. The higher resistance to antimicrobials was particularly associated with A. baumannii and P. aeruginosa. Also, the proportion of extended spectrum betalactamase (ESBL) producing strains was 23% among Klebsiella spp. and 3.6% among E. coli. The inclusion of invasive Gram negative pathogens in antimicrobial resistance surveillance provides useful information concerning local pathogen susceptibility, as well as for the empirical treatment of suspected infections. PMID- 29208098 TI - An imported case of canine rabies in Aquitaine: Investigation and management of the contacts at risk, August 2004-March 2005. AB - In August 2004, a case of rabies was diagnosed in a puppy that had been illegally imported from Morocco to Bordeaux (France). Because a great number of people and animals were thought to have come into contact with the puppy, extensive tracing measures were implemented, and an international alert was launched to trace and treat the contacts at risk. One hundred and eighty seven people received post exposure treatment, eight of whom also received serovaccination, and 57 animals known to have been exposed to the puppy were tested. Six months after the death of the rabid animal, none of the people treated showed any signs of rabies, nor was any secondary animal case reported. The management of this crisis highlights the importance of the role of a rapid alert system at European level. Strict application of sanitary control regulations is essential for animals introduced into EU countries, and all necessary information must be made available to EU residents travelling to rabies enzootic areas. PMID- 29208099 TI - An outbreak of mumps in Sweden, February-April 2004. AB - Between 24 February and 26 April 2004, Vastra Gotaland county in Sweden reported 42 cases of suspected mumps. A descriptive study of the cases was undertaken. A questionnaire was administered by telephone and vaccine effectiveness was calculated using the screening method. Seventy four per cent (31/42) of the suspected cases were interviewed by telephone. Eight out of the 42 serum samples were positive or equivocal for mumps IgM by ELISA. Mumps virus genome was identified in 21/42 (50%) saliva samples. Eleven were selected for sequencing and all were confirmed to be mumps virus. Cases were predominantly from 2 small towns. Eighteen out of 19 cases that developed bilateral swelling could be linked to one small town. The median age of interviewed cases was 43 years (range 5 to 88). Six cases were admitted to hospital, 5 of which were older than 30 years. The highest incidence occurred in the 35 to 44 years age group. Vaccine effectiveness was estimated to be 65% for 1 dose and 91% for 2 doses. This descriptive study shows the increasing age of mumps cases with increasing vaccine coverage. Vaccine effectiveness was particularly high for 2 doses. Second-dose uptake must be ensured, as primary vaccine failure is well documented in mumps. Stronger precautions must be taken to avoid pools of susceptible older individuals accumulating due to the increased risk of complications. PMID- 29208100 TI - Outbreak of E. coli O157 infection in the south west of the UK: risks from streams crossing seaside beaches. AB - In August 2004 seven cases of Escherichia coli O157 infection were identified in children on holiday in Cornwall, southwest England, all of whom had stayed at different sites in the area. Isolates from all seven cases were confirmed as E. coli serogroup O157 phage type 21/28. We carried out a case-control study among holidaymakers who visited the beach. A standardised questionnaire was administered by telephone to parents. They were asked where on the beach the children had played, whether they had had contact with the stream that flowed across the beach, and about their use of food outlets and sources of food eaten. Cases were more likely to have played in the stream than controls (OR [1.72- undefined]). The time spent in the stream by cases was twice spent there by controls. Cases and controls were equally exposed to other suspected risk factors. PFGE profiles for all the cases were indistinguishable. Increased numbers of coliforms were found in the stream prior to the outbreak. Cattle were found grazing upstream. We suggest that the vehicle of infection for an outbreak of acute gastrointestinal illness caused by E. coli O157 was a contaminated freshwater stream flowing across a seaside beach. The onset dates were consistent with a point source. Heavy rainfall in the days preceding the outbreak might have lead to faeces from the cattle potentially contaminated by E. coli O157 contaminating the stream, thereby leading to the outbreak. Control measures included fencing off the part of the stream in which children played, and putting up warning signs around the beach. PMID- 29208101 TI - Tuberculosis control in Latvia: integrated DOTS and DOTS-plus programmes. AB - From 1991 until the end of 1998, the number of patients with tuberculosis in Latvia increased 2.5 times with a simultaneous increase of drug resistant and multidrug resistant tuberculosis (MDR-TB). Descriptive analysis of different TB programme services, activities and strategies including Directly Observed Therapy Short-course (DOTS) for tuberculosis and treatment of MDR-TB, were performed. Data from the state tuberculosis registry, drug resistance surveillance, and the national MDR-TB database were used. The state-funded national tuberculosis control programme (NTAP, Nacionala Tuberkulozes Apkarodanas Programma), based on WHO recommended DOTS strategy, was introduced in Latvia in 1996. The NTAP includes TB control in prisons. Treatment of MDR-TB using second line drugs was started in 1997. Cure rates for TB patients increased from 59.5% in 1996 to 77.5% in 2003. Between 1996 and 2003, more than 200 patients began MDR-TB treatment each year, and the cure rate was between 66% and 73%. Numbers of MDR-TB patients were reduced by more than half during this period. Treatment results including MDR-TB reached the WHO target, with cure rates 85% of newly diagnosed patients. These results demonstrate that MDR-TB treatment and management using the individualised treatment approach can be effectively provided within the overall TB programme on a national scale, to successfully treat a large number of MDR-TB patients. Rapid diagnostic methods combined with early intensified case finding, isolation and infection control measures could decrease transmission of TB and MDR-TB in hospitals and in the community. Highly important that MDR-TB management follows WHO recommendations in order to stop creating drug resistance to first and to second line drugs. PMID- 29208102 TI - European recommendations for the management of healthcare workers occupationally exposed to hepatitis B virus and hepatitis C virus. AB - Exposure prevention is the primary strategy to reduce the risk of occupational bloodborne pathogen infections in healthcare workers (HCW). HCWs should be made aware of the medicolegal and clinical relevance of reporting an exposure, and have ready access to expert consultants to receive appropriate counselling, treatment and follow-up. Vaccination against hepatitis B virus (HBV), and demonstration of immunisation before employment are strongly recommended. HCWs with postvaccinal anti-HBs levels, 1-2 months after vaccine completion, >10 mIU/mL are considered as responders. Responders are protected against HBV infection: booster doses of vaccine or periodic antibody concentration testing are not recommended. Alternative strategies to overcome non-response should be adopted. Isolated anti-HBc positive HCWs should be tested for anti-HBc IgM and HBV-DNA: if negative, anti-HBs response to vaccination can distinguish between infection (anti-HBs >50 mUI/ml 30 days after 1st vaccination: anamnestic response) and false positive results(anti-HBs >10 mUI/ml 30 days after 3rd vaccination: primary response); true positive subjects have resistance to re infection. and do not need vaccination The management of an occupational exposure to HBV differs according to the susceptibility of the exposed HCW and the serostatus of the source. When indicated, post-exposure prophylaxis with HBV vaccine, hepatitis B immunoglobulin or both must be started as soon as possible (within 1-7 days). In the absence of prophylaxis against hepatitis C virus (HCV) infection, follow-up management of HCV exposures depends on whether antiviral treatment during the acute phase is chosen. Test the HCW for HCV-Ab at baseline and after 6 months; up to 12 for HIV-HCV co-infected sources. If treatment is recommended, perform ALT (amino alanine transferase) activity at baseline and monthly for 4 months after exposure, and qualitative HCV-RNA when an increase is detected. PMID- 29208103 TI - An outbreak of Campylobacter jejuni associated with consumption of chicken, Copenhagen, 2005. AB - In May/June 2005 an outbreak of diarrhoeal illness occurred among company employees in Copenhagen. Cases were reported from seven of eight companies that received food from the same catering kitchen. Stool specimens from three patients from two companies were positive for Campylobacter jejuni. We performed a retrospective cohort study among employees exposed to canteen food in the three largest companies to identify the source of the outbreak and to prevent further spread. Using self-administered questionnaires we collected information on disease, days of canteen food eaten and food items consumed. The catering kitchen was inspected and food samples were taken. Questionnaires were returned by 295/348 (85%) employees. Of 247 employees who ate canteen food, 79 were cases, and the attack rate (AR) was 32%. Consuming canteen food on 25 May was associated with illness (AR 75/204, RR=3.2, 95%CI 1.3-8.2). Consumption of chicken salad on this day, but not other types of food, was associated with illness (AR=43/97, RR=2.3, 95%CI 1.3-4.1). Interviews with kitchen staff indicated the likelihood of cross-contamination from raw chicken to the chicken salad during storage. This is the first recognised major Campylobacter outbreak associated with contaminated chicken documented in Denmark. It is plausible that food handling practices contributed to transmission, and awareness of safe food handling and storage has since been raised among kitchen staff. The low number of positive specimens accrued in this outbreak suggests a general underascertainment of adult cases in the laboratory reporting system by a factor of 20. PMID- 29208104 TI - Two clusters of human infection with influenza A/H5N1 virus in the Republic of Azerbaijan, February-March 2006. AB - Following the appearance of influenza A/H5 virus infection in several wild and domestic bird species in the Republic of Azerbaijan in February 2006, two clusters of potential human avian influenza due to A/H5N1 (HAI) cases were detected and reported by the Ministry of Health (MoH) to the World Health Organization (WHO) Regional Office for Europe during the first two weeks of March 2006. On 15 March 2006, WHO led an international team, including infection control, clinical management, epidemiology, laboratory, and communications experts, to support the MoH in investigation and response activities. As a result of active surveillance, 22 individuals, including six deaths, were evaluated for HAI and associated risk infections in six districts. The investigations revealed eight cases with influenza A/H5N1 virus infection confirmed by a WHO Collaborating Centre for Influenza and one probable case for which samples were not available. The cases were in two unrelated clusters in Salyan (seven laboratory confirmed cases, including four deaths) and Tarter districts (one confirmed case and one probable case, both fatal). Close contact with and de feathering of infected wild swans was considered to be the most plausible source of exposure to influenza A/H5N1 virus in the Salyan cluster, although difficulties in eliciting information were encountered during the investigation, because of the illegality of some of the activities that might have led to the exposures (hunting and trading in wild birds and their products). These cases constitute the first outbreak worldwide where wild birds were the most likely source of influenza A/H5N1 virus infection in humans. The rapid mobilisation of resources to contain the spread of influenza A/H5 in the two districts was achieved through collaboration between the MoH, WHO and its international partners. Control activities were supported by the establishment of a field laboratory with real-time polymerase chain reaction (RT-PCR) capacity to detect influenza A/H5 virus. Daily door-to-door surveillance undertaken in the two affected districts made it unlikely that human cases of influenza A/H5N1 virus infection remained undetected. PMID- 29208105 TI - Community-acquired methicillin-resistant Staphylococcus aureus in Switzerland : first surveillance report. AB - Methicillin resistant Staphylococcus Aureus (MRSA) infection is an emerging community pathogen. Community-acquired MRSA (CA-MRSA) has been associated with virulent strains producing Panton-Valentine leukocidin (PVL) and a variety of other exotoxins. In Geneva, PVL-producing CA-MRSA was first reported in 2002 and a surveillance system based on voluntary reporting was set up. PMID- 29208106 TI - A regional outbreak of S. Typhimurium in Denmark and identification of the source using MLVA typing. AB - In Denmark, as part of the national laboratory-based surveillance system of human enteric infections, all S. Typhimurium isolates are currently sub-typed using phage typing, antibiogram typing, and pulsed-field gel electrophoresis (PFGE). However, the discriminatory ability of PFGE is not always high enough to discriminate within certain phage types, and it is not always possible to separate unrelated and related isolates. We have therefore applied multiple locus variable number of tandem repeats analysis (MLVA) for surveillance typing of S. Typhimurium since 2004. In May and June 2005, an outbreak with 26 cases of S. Typhimurium infection was identified by MLVA. The isolates were fully sensitive and had one of the most frequently occurring Danish phage types (DT12) and PFGE types. S. Typhimurium DT12 isolates from routine surveillance of animals and food were typed using MLVA and PFGE for comparison with the human isolates. The typing results revealed that an isolate from a pig herd and its corresponding slaughterhouse located in the same geographic region as the outbreak had the same PFGE and MLVA type as the human isolates. In contrast, all other DT12 isolates investigated, which had the same PFGE profile, had different MLVA types. The conclusion that the pig herd was the source of the human infections was supported by patient information, and pork from the herd stopped entering the market on 29 June. MLVA may contribute significantly to both surveillance and outbreak investigations of S. Typhimurium, as without MLVA typing this outbreak would not have been found nor its origin traced. PMID- 29208108 TI - Salmonella Enteritidis phage type 21 outbreak in Austria, 2005. AB - We report an outbreak of gastroenteritis due to Salmonella Enteritidis PT 21 associated with attending an annual traditional fair in a small Austrian village on 4 May 2005. The outbreak lasted from 4 to 8 May. Descriptive and analytical epidemiological investigations were conducted in order to determine the extent of the outbreak and to identify outbreak risk factors. Of the 115 persons who visited the fair, 85 persons fulfilled the criteria of an outbreak case (attack rate=73.9%). Stool specimens from 52 patients, including two kitchen staff, were tested for salmonella, and 20 specimens were positive for Salmonella Enteritidis PT 21. The cohort study revealed mixed salad (which included potatoes) as the likely cause of the outbreak (RR: 10.4, 95%CI 2.8 - 39.1; P=<0.001). The causative agent of the outbreak was cultured from the stock of eggs used at the fair and from all three drag swabs and one barn dust sample collected from the responsible egg laying flock. Molecular subtyping by pulsed-field gel electrophoresis of genomic DNA after XbaI digestion showed that isolates from eggs, from the flock and from humans were indistinguishable. We hypothesise that cross contamination from eggs to boiled potatoes occurred in the kitchen area, where raw eggs were handled by village residents preparing a traditional Viennese egg dressing. Unrefrigerated storage of peeled potatoes may have favoured bacterial growth. Eggs from small rural flocks of laying hens kept in a traditional 'natural' way should not be assumed to be salmonella-free. PMID- 29208107 TI - Meat inspection for Trichinella in pork, horsemeat and game within the EU: available technology and its present implementation. AB - A new EU directive relating to meat inspection for Trichinella, expected to come into force in 2006, imposes important modifications to current legislation. Nevertheless, several issues need more attention. Optimisation of methods, especially concerning sensitivity and digestibility of the meat to be inspected, along with further simplification of the legislation with regard to the number of techniques accepted, is recommended to guarantee that all member states of the EU will be given tools to perform inspection of consumer meat at the same high level. Additionally, there is a need for guidelines and protocols regarding optimal proficiency testing procedures. PMID- 29208109 TI - European survey of BCG vaccination policies and surveillance in children, 2005. AB - In 2005, all 25 EU countries, as well as Andorra, Bulgaria, Norway, Romania and Switzerland, participated in a survey on BCG vaccination in children. BCG was recommended nationally for children under 12 months in 12 countries, in older children in five countries and in children at risk (from origin, contact or travel) in 10 countries. Seven countries did not use BCG systematically. Revaccination was practised in four countries. In countries with universal vaccination, BCG coverage was high (83.0% to 99.8%). TB cases commonly occurred in vaccinated children (at least 30%-98% in five countries using universal or high-risk approach). Disseminated infection due to BCG was rarely reported in recent years (0-1/100 000 vaccinated). There is a wide variation among BCG recommendations in Europe, and nearly half the countries surveyed were considering revisions, at a time when the European Centre for Disease Prevention and Control (ECDC) is advocating for harmonised vaccine strategies. Data on monitoring of BCG coverage in target groups is important but often lacking in Europe. Information on BCG status and eligibility should be collected routinely through TB case notification. The incidence of severe adverse effects of BCG in children should be monitored. Given lack of evidence to its efficacy, revaccination should be discontinued. PMID- 29208110 TI - First general outbreak of Verocytotoxin-producing Escherichia coli O157 in Denmark. AB - This report describes the first general outbreak of verocytotoxin-producing E. coli (VTEC) in Denmark. Twenty five patients, 18 children and seven adults, with culture-confirmed VTEC O157:H- infection and indistinguishable pulsed-field gel electrophoresis DNA profiles, were identified during a six month period from September 2003 to March 2004. The outbreak strain possessed the virulence genes: eae, vtx1 and vtx2c. All patients but one presented with diarrhoea; none developed haemolytic uraemic syndrome. The outbreak was restricted to Copenhagen and surrounding areas. A case-control study including 11 cases and 55 matched controls revealed an association between VTEC O157:H- infection and shopping in a specific supermarket chain in Copenhagen and surrounding area, matched odds ratio (OR): 8.7 (95% confidence interval (CI): 1.1-71). After exclusion of three assumed secondary cases, only consumption of a particular kind of organic milk from a small dairy was associated with disease OR: 8.7 (95% CI 1.6-48). Environmental and microbiological investigations at the suspected dairy did not confirm the presence of the outbreak strain, but the outbreak stopped once the dairy was closed and thoroughly cleaned. PMID- 29208111 TI - Prolonged outbreak of B meningococcal disease in the Seine-Maritime department, France, January 2003 to June 2005. AB - Between January 2003 and June 2005, an outbreak of meningococcal disease occured in the department of Seine-Maritime in northern France. Eighty six cases were notified, giving an average annual incidence of 2.7 cases per 100 000 inhabitants, compared with 1.6 in France. An especially affected area was defined as the city of Dieppe and its surrounding area (26 cases, giving an annual incidence of 12 cases per 100 000). This outbreak was due to N. meningitidis phenotype B:14:P1.7,16 belonging to the clonal complex ST-32/ET-5. Over the 31 B14:P1.7,16 cases confirmed by phenotyping methods at the national reference centre for meningococci (CNR, Centre National de Reference des meningocoques) the case-fatality rate (19%) and the proportion of purpura fulminans (42%) were especially high. Teenagers aged between 15 and 19 years and children aged 1 to 9 years were the most affected. In 2003, health authorities put in place enhanced epidemiological surveillance and informed practitioners and population about the disease. In 2004, the national vaccination advisory board studied the opportunity of using a non licensed outer membrane vesicle vaccine developed in Norway which may be effective against the B14:P1.7,16 strain. The Ministry of health decided in 2006 to offer vaccination with this vaccine to people aged 1 to 19 years in Seine- Maritime. PMID- 29208112 TI - Tribute to Andrea Infuso. AB - This special issue of Eurosurveillance is dedicated to the memory of Andrea Infuso, a dear and respected colleague and friend, who died suddenly on 20 September 2005 at the age of 44. Andrea was actively involved in the preparation of this special issue on vaccination and tuberculosis. As EuroTB coordinator since 2000, his knowledge of and contacts with all European experts involved in tuberculosis surveillance in Europe were very valuable in conceiving this thematic issue. The Euroroundup published in this issue, European survey of BCG vaccination policies and surveillance in children, 2005, written by Andrea as first author, is a posthumous publication. PMID- 29208113 TI - Lymphogranuloma venereum emerging in men who have sex with men in Germany. AB - A resurgence of lymphogranuloma venereum (LGV) has been observed in several European countries. LGV is not a mandatorily notifiable disease in Germany. Reports of LGV cases have actively been collected by the Robert Koch-Institut since 2004 to describe the outbreak and estimate the extent of the LGV problem in Germany. Updates on the LGV outbreak were published in the German national epidemiological bulletin. Physicians were asked to send their samples to a laboratory for genotyping. A possible case was defined as a person with symptoms of proctitis and/or inguinal lymph node swelling and a positive chlamydia serology. A probable case had in addition a positive chlamydia rectal or urinary PCR test. A case was confirmed if the genotype L1-L3 was identified based on sequence analysis of omp1 gene sequences. Since 2003, LGV has been reported in 78 male patients in Germany. Of these, 61 patients were confirmed as genotype L2. Fifty eight out of 78 patients (74%) are known to be men who have sex with men (MSM). Fifty five patients (71%) had rectal symptoms and 49 (63%) knew they were HIV positive. Sixty two (79%) of the patients were residents of Berlin or Hamburg. LGV has emerged in MSM in Germany at the same time as in other European countries. It is thought that LGV may become endemic in the MSM community in German metropolitan areas, because the number of reported patients with LGV continues to increase. The increase in the number of LGV cases and the high HIV prevalence in LGV patients are of great public health concern. Clinicians and MSM may not be sufficiently aware of the disease, and existing efforts to promote awareness and prevention of sexually transmitted infections and HIV need to be strengthened. PMID- 29208114 TI - Epidemiological and virological assessment of influenza activity in Europe, during the 2004-2005 winter. AB - The 2004-2005 influenza season in Europe started in late December 2004 and the first influenza activity occurred in the west and southwest (Spain, United Kingdom and Ireland). Influenza activity then moved gradually east across Europe during January and early February 2005, and from late February until late March, most movement was south to north. The intensity of clinical influenza activity in ten out of 23 countries was higher than during the 2003-2004 season, and lower or equal to the 2003-2004 season in the other 13 countries. The highest consultation rates were generally observed among children aged 0-14 years. However, the peak consultation rates due to influenza-like illness or acute respiratory infection were not especially high when compared with historical data. The predominant virus strain was influenza A (83% of total detections) of the H3 subtype (85% of H-subtyped A viruses), with fewer influenza B (17% of total detections) or A(H1) viruses (15 % of H-subtyped A viruses) detected. The vast majority of A(H3) viruses were similar to the reference strains A/Wellington/1/2004 (H3N2) and, subsequently, A/California/7/2004 (H3N2) that are closely related drift variants of the A/Fujian/411/2002 (H3N2) prototype vaccine strain. The B viruses co circulated with A viruses during the whole influenza season in 11 out of 24 countries. Seven of these were located in the northeast of Europe and in these countries the proportion of B viruses was higher (range: 31-60%) than in the rest of Europe (range: 6-26%). In 13 out of 24 countries the B viruses circulated relatively late in the season. About 43% of all antigenically characterised B viruses were B/Hong Kong/330/2001-like (B/Victoria/2/87 lineage), a strain that is distinguishable from the vaccine influenza B strain, which was a B/Yamagata/16/88 lineage virus. Based on the viruses detected worldwide until February 2005, the World Health Organization modified the composition of the 2005 2006 influenza vaccine from the 2004-2005 season vaccine to include a new A(H3N2) component: an A/California/7/2004 (H3N2)-like virus. PMID- 29208115 TI - Travel-associated legionnaires' disease in Europe: 2004. AB - Six hundred and fifty five cases of travel-associated legionnaires' disease with onset in 2004 have been reported to the EWGLINET surveillance scheme by 25 countries. A total of 84.9% of cases were diagnosed by the urinary antigen test, and 37 cultures were obtained. Thirty seven deaths were reported, giving a case fatality rate of 5.6%. Eighty six new clusters were detected, 45% of which would not have been detected without the EWGLINET scheme. Ninety four accommodation sites were investigated and the names of four sites were published on the EWGLI website. Fifteen sites were associated with additional cases after a report was received to say that investigations and control measures had been satisfactorily carried out. Further improvements could be made in the data collected on deaths due to travel-associated legionnaires' disease, and on the number of samples taken for culture throughout Europe. PMID- 29208116 TI - Respiratory viruses and influenza-like illness: a survey in the area of Rome, winter 2004-2005. AB - Limited information is available on the viral aetiology of influenza-like illness (ILI) in Southern European countries. Hereby we report the main findings of a survey conducted in the area of Rome during the 2004-2005 winter season. ILI cases were defined as individuals with fever >37.5 degrees C and at least one constitutional symptom and one respiratory symptom, recruited during the survey period. Influenza and other respiratory viruses were identified using polymerase chain reaction (PCR) on throat swabs. Basic individual information was collected through a standard form. Of 173 ILI cases enrolled, 74 tested positive for one virus, and two tested positive for two viruses. Overall, 33.5% of the cases were positive for influenza viruses, 5.2% for adenoviruses, 3.5% for parainfluenza viruses, 1.7% for coronaviruses, and 1.2% for the respiratory syncitial virus. The proportion of influenza virus detection was higher in the 'high influenza activity' period. The distribution of viral agents varied across age groups, influenza viruses being more likely to be detected in younger patients. Viral pathogens were identified in less than 50% of ILI cases occurred during a high activity influenza season. The detection of other than influenza viruses was sporadic, without evidence of large outbreaks due to specific agents. PMID- 29208117 TI - A measles outbreak in children under 15 months of age in La Rioja, Spain, 2005 2006. AB - This paper describes a measles outbreak in La Rioja, Spain, which began in December 2005 and mainly affected children under 15 months of age who were not yet immunised with MMR vaccine. The measles cases were detected by the mandatory reporting system, under which laboratories must report every confirmed measles case. Cases were classified in accordance with the National Measles Elimination Plan: suspected and laboratory-confirmed. In the period 14 December 2005 to 19 February 2006, 29 suspected cases of measles were investigated, and 18 were confirmed. The mean incubation period was 13.8 days (range: 9 to 18). Of the 18 confirmed cases, only two were in adults. MMR vaccination was recommended for all household contacts, as well as for children aged 6 to 14 months who attended the daycare centres where the cases had appeared. At these centres, the second dose of MMR was administered ahead of schedule for children under three years of age. It was recommended that the first dose of MMR vaccine be administered ahead of schedule for all children aged 9 to 14 months. During an outbreak of measles, children aged 6 months or older, who have not previously been vaccinated against measles, mumps and rubella, should receive a first dose as soon as possible, and those who have had a first dose should receive a second dose as soon as possible, provided that a minimum of one month has elapsed between the two doses. PMID- 29208118 TI - Case-control study for risk factors for Q Fever in southwest England and Northern Ireland. AB - Q fever (Coxiella burnetti) is thought to account for 1% (700 cases) of community acquired pneumonia in the United Kingdom each year, and can result in serious complications such as endocarditis. Although outbreaks have frequently been reported worldwide, the causes are often not clearly identified and there have been few studies of risk factors in sporadic cases. We conducted a matched case control study. Cases of acute Q fever in people aged over 15 years in southwest England and Northern Ireland were identified from January 2002 to December 2004. Controls were matched for age, sex and the general practice at which they were registered. Questionnaires asking about contact with animals, and leisure and work activities, were posted to cases and controls. Questionnaires were completed by 39/50 (78%) of the cases and 90/180 (50%) of the controls. In the single variable analysis, occupational exposure to animals or animal products was the only risk factor associated with cases at the 5% level (P=0.05, odds ratio (OR) 3.4). Long term illness appeared to be significantly protective (P=0.03, OR 0.3). In multivariable analysis the strength of association between occupational exposure and illness remained high (OR 3.6, 95% confidence interval (CI) 0.9 to 14.8) and smoking emerged as a possible risk factor. This is the first case control study to identify occupational exposure to animals or animal products as the most likely route of infection in sporadic cases as opposed to outbreaks. PMID- 29208120 TI - Surveillance of listeria infections in Europe. AB - In addition to the economic consequences and threats associated with outbreaks, listeriosis remains of great public health concern, as it has one of the highest case fatality rates of all the foodborne infections (20%-30%), and has common source epidemic potential. Changes in the way food is produced, distributed and stored have created the potential for diffuse and widespread outbreaks involving many countries. In 2002, a survey was carried out to assess the need for and the feasibility of a European network on listeria infections in humans. Data on surveillance systems and laboratory methods were collected through two postal surveys sent to the national Centres for communicable disease surveillance and to the listeria reference laboratories. Surveillance systems for listeria infections were in operation in 16 out of the 17 countries surveyed, and 16 countries had a national reference laboratory (NRL). All countries based their case definition of listeriosis on the isolation of Listeria monocytogenes. Fourteen NRLs performed at least one typing method on human strains. At least 13 countries already carried out or expressed willingness to carry out characterisation of isolates by pulsed field gel electrophoresis (PFGE) of L. monocytogenes strains isolated from human cases following a standard protocol. The participants concluded that there was a clear added value to having a European surveillance network for listeria infections, particularly for outbreak detection and investigation, and that a surveillance network based on the existing national surveillance systems was feasible. PMID- 29208119 TI - Comparative analysis of the Burkholderia cenocepacia K56-2 essential genome reveals cell envelope functions that are uniquely required for survival in species of the genus Burkholderia. AB - Burkholderia cenocepacia K56-2 belongs to the Burkholderia cepacia complex, a group of Gram-negative opportunistic pathogens that have large and dynamic genomes. In this work, we identified the essential genome of B. cenocepacia K56-2 using high-density transposon mutagenesis and insertion site sequencing (Tn-seq circle). We constructed a library of one million transposon mutants and identified the transposon insertions at an average of one insertion per 27 bp. The probability of gene essentiality was determined by comparing of the insertion density per gene with the variance of neutral datasets generated by Monte Carlo simulations. Five hundred and eight genes were not significantly disrupted, suggesting that these genes are essential for survival in rich, undefined medium. Comparison of the B. cenocepacia K56-2 essential genome with that of the closely related B. cenocepacia J2315 revealed partial overlapping, suggesting that some essential genes are strain-specific. Furthermore, 158 essential genes were conserved in B. cenocepacia and two species belonging to the Burkholderia pseudomallei complex, B. pseudomallei K96243 and Burkholderia thailandensis E264. Porins, including OpcC, a lysophospholipid transporter, LplT, and a protein involved in the modification of lipid A with aminoarabinose were found to be essential in Burkholderia genomes but not in other bacterial essential genomes identified so far. Our results highlight the existence of cell envelope processes that are uniquely essential in species of the genus Burkholderia for which the essential genomes have been identified by Tn-seq. PMID- 29208122 TI - Cryptosporidium outbreak linked to interactive water feature, UK: importance of guidelines. AB - A need for national guidelines relating to interactive water features was highlighted following three outbreaks of cryptosporidiosis in the United Kingdom, all of which were related to public water features. In August 2003 the Health Protection Agency South West of England was notified of an outbreak of cryptosporidiosis associated with an interactive water feature designed for water play within an adventure park. The water feature was implicated following samples with a high coliform count and the presence of faecal coliforms. A case was defined as any child (younger than 16 years of age) who had visited the park during August and who subsequently had gastrointestinal symptoms and a faecal sample positive for cryptosporidium. Seventy one children were identified in the cohort. This outbreak of cryptosporidiosis was characterised by a very high attack rate (89%), relatively severe in duration (median 8 days) and had a relatively high hospital admission (16% of cases). The epidemic curve was consistent with a point source of infection, which corresponded to the date 80% of the cohort visited the park. This outbreak has similarities to two other cryptosporidiosis outbreaks reported in England in 2003 that involved public water features. These outbreaks raise issues about the operation and maintenance of water-based recreational attractions that very often involve children. The paper reflects on the basic control measures that can be taken and highlights the need for guidelines, especially since such attractions are becoming increasingly common. The Pool Water Treatment Advisory Group in United Kingdom has now produced guidelines. PMID- 29208124 TI - HIV incidence increasing in MSM in Germany: factors influencing infection dynamics. AB - After an initial peak in the mid-1980s, HIV incidence in men who have sex with men (MSM) declined in most western industrialised countries and then levelled off during the 1990s. Since the late 1990s, increasing numbers of newly diagnosed HIV infections in MSM have been observed in the majority of countries with large and visible MSM communities. Based on a review of national and international behavioural surveillance studies of MSM and national HIV surveillance data, we propose a model for the HIV epidemic in MSM in Germany. The model includes aspects such as individuals' increasing numbers of sexual partners and increasing frequency of unprotected anal intercourse, conditional condom use based on real or perceived HIV status of sexual partners (HIV 'serosorting') and sexual role assignments (insertive versus receptive based on HIV status (HIV 'seropositioning'), selection of partners and formation of sexual networks through seeking sexual partners on the internet, the introduction of HAART and changing HAART treatment strategies. All these aspects have been shown or are suspected to increase or decrease HIV transmission risk in MSM. We conclude that increasing HIV incidence in MSM in recent years has been fuelled by a spread of HIV in high-risk sexual networks with an increasing proportion of infections transmitted during highly infective early HIV infection, acquired mostly from casual sexual partners. PMID- 29208121 TI - Whole-genome sequencing of bloodstream Staphylococcus aureus isolates does not distinguish bacteraemia from endocarditis. AB - Most Staphylococcus aureus isolates can cause invasive disease given the right circumstances, but it is unknown if some isolates are more likely to cause severe infections than others. S. aureus bloodstream isolates from 120 patients with definite infective endocarditis and 121 with S. aureus bacteraemia without infective endocarditis underwent whole-genome sequencing. Genome-wide association analysis was performed using a variety of bioinformatics approaches including SNP analysis, accessory genome analysis and k-mer based analysis. Core and accessory genome analyses found no association with either of the two clinical groups. In this study, the genome sequences of S. aureus bloodstream isolates did not discriminate between bacteraemia and infective endocarditis. Based on our study and the current literature, it is not convincing that a specific S. aureus genotype is clearly associated to infective endocarditis in patients with S. aureus bacteraemia. PMID- 29208123 TI - Outbreak of human listeriosis associated with tomme cheese in northwest Switzerland, 2005. AB - During an eight week period in spring 2005, 10 cases of listeriosis were reported in a small area of northwest Switzerland (150 000 inhabitants). Eight cases were in older immunocompromised patients who became ill with bacteraemia (three deaths), and two cases were in pregnant women who had septic abortion. PMID- 29208125 TI - Rabies in Europe in 2005. AB - Rabies is still present in Europe in 2005. Its incidence in humans remains limited (fewer than 5 human cases per year) through the application of strict prophylactic measures (anti-rabies treatment) and by means of veterinary rabies control measures in the domesticated and wild animal populations. The main indigenous animal reservoirs are: the dog in eastern European countries and on the borders with the Middle East; the fox in central and eastern Europe; the racoon dog in northeastern Europe; and the insectivorous bat throughout the entire territory. Finally, each year, cases of animals with rabies imported from enzootic areas are reported, showing the permeability of borders and traveller's lack of consideration of the rabies risk. These importations constantly threaten the rabies-free status of terrestrial animals in western European countries and complicate the therapeutic decisions taken by physicians in the absence of information regarding the biting animal. PMID- 29208126 TI - Human-to-human transmission of avian influenza A/H7N7, The Netherlands, 2003. AB - An outbreak of highly pathogenic avian influenza A virus subtype H7N7 began in poultry farms in the Netherlands in 2003. Virus infection was detected by RT-PCR in 86 poultry workers and three household contacts of PCR-positive poultry workers, mainly associated with conjunctivitis. To determine the magnitude of and risk factors for human-to-human transmission of influenza A/H7N7 in the Netherlands, a retrospective cohort study among household members of infected poultry workers was undertaken. In total, 33 (58.9%) of 56 (among 62) participants who provided blood samples had positive H7 serology, using single convalescent serum samples obtained at least 3 weeks after onset of symptoms of the index case. Eight household members (12.9%) reported symptoms (conjunctivitis and/or ILI), of which four of five (80.0%) tested seropositive. On univariate analysis, significant risk factors for seropositivity included having at least two toilets, a pet bird, and using cloth handkerchiefs. It was not possible to obtain a stable model for binomial regression for the outcome of A/H7N7 infection. Further seroprevalence studies among contacts of asymptomatic H7 cases should be conducted. PMID- 29208127 TI - The Early Warning and Response System for communicable diseases in the EU: an overview from 1999 to 2005. AB - Under Decision 2119/98/EC of the European Parliament and of the Council, a network for epidemiological surveillance and control of communicable diseases in the Community was set up in 1998. One pillar of Decision 2119/98/EC is the early warning and response system (EWRS). The main objective of the network is to establish permanent communication between European Union (EU) Member States' public health authorities, which are responsible for determining the measures required to control communicable disease-related events. Since 1998, a web based informatics tool has been developed in order to allow information to be shared between the relevant public health authorities. Between 1998 and December 2005, a total of 583 messages were circulated through the EWRS, notifying 396 events. The information shared through the system helped to coordinate public health measures in the EU. However, only few events prompted specific measures at Community level and most of them were controlled with public health measures applied at national level. Major events (such as the Severe Acute Respiratory Syndrome) and the results of simulation exercises prompted the Commission to upgrade the informatics system on the basis of user needs. Since 1 May 2004 the 10 newest Member States have provided information under the current legislation and since April 2005 the European Centre for Disease Prevention and Control (ECDC) is part of the system. Future developments will include a link between the existing EWRS and the communication platform currently developed by the ECDC. PMID- 29208128 TI - Surveillance of listeriosis in Finland during 1995-2004. AB - We analysed the surveillance data from listeriosis cases notified to the Finnish National Infectious Diseases Register between 1995 and 2004 and describe our recent experience in investigating clusters of listeriosis cases. The number of annual cases varied between 18 and 53 but no trends in incidence were identified (average annual incidence was 7 cases per million inhabitants). PMID- 29208129 TI - Pneumococcal disease surveillance in Europe. AB - Pneumococcal disease (Pnc) is responsible for invasive pneumococcal disease (IPD) - mainly meningitis and septicaemia - and is an infection of public health importance in Europe. Following the licensure of an effective conjugate vaccine (PCV) in Europe, several European countries, including France, Germany, the Netherlands, Norway, Spain and the United Kingdom, are introducing universal Pnc childhood immunisation programmes. As part of a European Union (EU) funded project on pneumococcal disease (Pnc-EURO), a questionnaire was distributed in late 2003 to each of the current 25 European Union member states as well as Norway and Switzerland to get a clearer picture of national surveillance for invasive pneumococcal disease (IPD) in Europe. All respondents were contacted in 2006 and asked to provide an update to the questionnaire. Twenty two of the 27 countries targeted completed and returned the questionnaire. Four of the 22 responding countries have no reporting requirement for IPD. Eighteen countries reported a total of 27 national surveillance systems. Case definitions employed in these systems differed. Fourteen of the 18 countries reported collection of IPD strains to a single reference lab for serotyping and in 12 countries to a single laboratory for susceptibility testing. Thirteen countries undertook laboratory quality assurance. Information on age and sex were widely collected, but only 11/27 systems collected information on pneumococcal polysaccharide vaccine status, while 5/27 systems collected information on pneumococcal conjugate vaccine status. The incidence of IPD reported in each of the 18 countries ranged from 0.4 to 20/100 000 in the general population, with a total of 23 470 IPD cases reported over a 12 month period. Surveillance for IPD in Europe is very heterogeneous. Several countries lack surveillance systems. Large differences in reported disease incidence may reflect both true differences, and also variations in patient and healthcare factors, including surveillance. If IPD surveillance in Europe can be strengthened, countries will be able to make informed decisions regarding the introduction of new pneumococcal vaccines and also to monitor and compare the impact and effectiveness of new programmes. PMID- 29208131 TI - Using sentinel surveillance to monitor effectiveness of influenza vaccine is feasible: A pilot study in Denmark. AB - The influenza vaccine for the season 2003/04 did not contain the circulating A(H3N2)/Fujian virus strain. Vaccine effectiveness (VE) estimates were needed but unavailable. We explored whether or not laboratory based influenza surveillance can be used to estimate VE. We carried out a case-control study nested within Danish sentinel surveillance. A case was defined as a person aged 25 or above with A(H3N2)/Fujian/411/02 influenza. Four controls per case, matched on age groups and time, were selected from clients of sentinel practitioners (SP) who reported cases. SPs collected the following data in structured one-page questionnaires: vaccination status, chronic illness and previous pneumococcal vaccination. We sent postal survey questionnaires to participating SPs to assess acceptability and simplicity of data collection. Twenty four cases were identified. Data from 19 case-control sets were analysed. One control was excluded because information on vaccination status was missing. Two of the 19 cases and 11 of 75 controls had been vaccinated against influenza. The VE adjusted for chronic illness was 33% (95% CI 0%-88%) and 37% (95% CI 0%-89%) when excluding 5 controls with influenza-like illness. Twenty two SPs returned survey questionnaires. Fifteen of 17 SPs reported that it was easy to find controls. SPs collected data through interviews and clinical notes, spending 1 to 5 minutes per case and 5 to 15 minutes for all four controls. Nineteen of 22 SPs considered the amount of time they spent on the study to be acceptable, 17 said that they would like to participate again, and none ruled out further participation. Le controle de l'EV au sein des systemes de surveillance sentinelle est faisable. Les nombres restreints de notre etude limitent l'interpretation de l'EV. Une etude etendue a l'echelle europeenne, comprenant plusieurs pays, pourrait surmonter cette limitation et offrir des evaluations de l'efficacite vaccinale plus tot dans la saison, pour differents groupes d'age et pour des souches virales emergentes, incluant les sous-types nouveaux et pandemiques. Monitoring VE within sentinel surveillance systems is feasible. The small numbers in our study limit interpretation of VE. Expansion to a European multicountry study could overcome this limitation and provide VE estimates earlier in the season, for different age groups and emerging virus strains, including new and pandemic subtypes. PMID- 29208130 TI - Novel large-scale chromosomal transfer in Bacteroides fragilis contributes to its pan-genome and rapid environmental adaptation. AB - Bacteroides fragilis, an important component of the human gastrointestinal microbiota, can cause lethal extra-intestinal infection upon escape from the gastrointestinal tract. We demonstrated transfer and recombination of large chromosomal segments from B. fragilis HMW615, a multidrug resistant clinical isolate, to B. fragilis 638R. In one example, the transfer of a segment of ~435 Kb/356 genes replaced ~413 Kb/326 genes of the B. fragilis 638R chromosome. In addition to transfer of antibiotic resistance genes, these transfers (1) replaced complete divergent polysaccharide biosynthesis loci; (2) replaced DNA inversion controlled intergenic shufflons (that control expression of genes encoding starch utilization system outer membrane proteins) with more complex, divergent shufflons; and (3) introduced additional intergenic shufflons encoding divergent Type 1 restriction/modification systems. Conjugative transposon-like genes within a transferred segment and within a putative integrative conjugative element (ICE5) ~45 kb downstream from the transferred segment both encode proteins that may be involved in the observed transfer. These data indicate that chromosomal transfer is a driver of antigenic diversity and nutrient adaptation in Bacteroides that (1) contributes to the dissemination of the extensive B. fragilis pan-genome, (2) allows rapid adaptation to a changing environment and (3) can confer pathogenic characteristics to host symbionts. PMID- 29208132 TI - Wound botulism in injectors of drugs: upsurge in cases in England during 2004. AB - Wound infections due to Clostridium botulinum were not recognised in the UK and Republic of Ireland before 2000. C. botulinum produces a potent neurotoxin which can cause paralysis and death. In 2000 and 2001, ten cases were clinically recognised, with a further 23 in 2002, 15 in 2003 and 40 cases in 2004. All cases occurred in heroin injectors. Seventy cases occurred in England; the remainder occurred in Scotland (12 cases), Wales (2 cases) and the Republic of Ireland (4 cases). Overall, 40 (45%) of the 88 cases were laboratory confirmed by the detection of botulinum neurotoxin in serum, or by the isolation of C. botulinum from wounds. Of the 40 cases in 2004, 36 occurred in England, and of the 12 that were laboratory confirmed, 10 were due to type A. There was some geographical clustering of the cases during 2004, with most cases occurring in London and in the Yorkshire and Humberside region of northeast England. PMID- 29208133 TI - Outbreak of Salmonella enterica serotype Manhattan infection associated with meat products, France, 2005. AB - Between August 2005 and March 2006 in France, 69 cases of Salmonella enterica serotype Manhattan (Salmonella Manhattan) were reported, 51 (74%) of them from southeastern France. At the time of the alert (November 2005), 13 cases and 33 controls were interviewed. Cases were more likely than controls to have eaten pork sausages (OR=5.9, confidence interval CI [1.3; 26.9]) and beef (OR=9.3, CI [1.3; 68.6]). At the same time, 19 strains of Salmonella Manhattan isolated from meat products in southeastern France, reported to the French food safety agency (Afssa, Agence francaise de securite sanitaire des aliments) in September and November 2005, had an indistinguishable PFGE profile to the 7 human isolates of Salmonella Manhattan from the outbreak in southeastern France. Trace-back investigations revealed that pork samples came from one wholesaler whose pork products had tested positive for S. Manhattan during routine food testing in August 2005. This wholesaler supplied retail outlets in southeastern France. Additionally, a slaughterhouse supplying the wholesaler was inspected and widespread contamination with Salmonella spp. and S. Manhattan was found. Cooperation between the national agencies in charge of human health (Institut de veille sanitaire, InVS) and food safety (Afssa) allowed us to determine the most probable source of contamination and to take appropriate control measures. PMID- 29208134 TI - Epidemiologic surveillance system implemented in the Hautes-Alpes District, France, during the Winter Olympic Games, Torino 2006. AB - Some of the competitions of the Olympic Winter Games in Torino, 10 to 26 February 2006, were organised in France near the city of Briancon, in the department of Hautes-Alpes. An epidemiologic surveillance system was set up by the local health authorities. The goals were to detect in a timely fashion any phenomenon which could justify prevention or sanitary control action, and to guide interventions in the case of outbreak or environmental pollution. Surveillance was implemented from 30 January to15 March 2006 in the Briancon area. Mortality was tracked using by analysing the number and cause of deaths. A sentinel network of general practitioners was set up and reported the frequency of acute gastroenteritis, influenza-like illness and measles. Medical laboratories provided data about the analyses they undertook. Hospital emergency department and emergency ambulance service activities were followed up. Statutory notification diseases and toxic effects of carbon monoxide surveillances were reinforced. Analysed data were transmitted daily to the health authorities. A French/English report was sent weekly to all participants. The participation rate was close to 100%, and data transmission deadlines were respected. No adverse health event was identified. The strong acceptability of this surveillance system comes from its good understanding by the participants. This surveillance, structured around routine and ad-hoc systems, allowed the establishment of the foundations of a network to be used in case of outbreak or environmental pollution. PMID- 29208135 TI - A pseudo-outbreak of human A/H5N1 infections in Greece and its public health implications. AB - The recent wide geographic spread of the highly pathogenic avian influenza A/H5N1 virus has important public health implications. Several wild migratory birds were confirmed to be infected with avian influenza A/H5N1 in Greece in February and March 2006. The aim of this paper is to report data from potential H5N1 human cases that presented to local hospitals during this period with a respiratory infection and expressing concern about exposure to avian influenza. A case control investigation was conducted that included case identification with the use of a structured definition, review of epidemiological and clinical characteristics and molecular testing for avian influenza A/H5N1. The setting was the entire country of Greece during February and March 2006. The main outcomes were rates of possible cases (meeting both a clinical and an epidemiological criterion) and clinical or epidemiological characteristics differentiating them from potential cases that met either one of the criteria of a possible case, but not both. Twenty six potential patients (81% of whom met a clinical criterion, and 39% of whom met an epidemiological criterion) presented and most (85%) were admitted in local hospitals during the period of interest. The majority of cases (85%) were observed in northern Greece where most of the confirmed A/H5N1 avian cases were documented. Five of the 26 evaluated patients met the definition of a possible case. These clustered within the early period of confirmed A/H5N1 cases in wild migratory birds (P=0.05). Molecular testing was negative for all possible cases. Application of a revised case definition constructed according to newer European Union guidance resulted in the exclusion of two possible cases. Several potential A/H5N1 human cases were recently identified in Greece. Both the timing of identification and the geographical location of potential cases suggest an increased awareness on the part of the general public, as well as poor interpretation of the case definition by the clinicians. PMID- 29208136 TI - From evaluation to continuous quality assurance of surveillance systems. AB - Surveillance systems have been described as the nerve cells of public health with afferent arms receiving information, cell bodies analysing the information and efferent arms initiating appropriate action or further distribution of information [1]. Increasing numbers of scientific publications on the methodology and evaluation of surveillance systems seem to underline the importance of surveillance systems in public health. The most often cited references in these publications appear to be the definition of public health surveillance by Thacker and Berkelman [2] and variations thereof, and the recommendations for evaluating surveillance systems from 1988 [3] and its update from 2002 written by working groups at the Centers for Disease Control and Prevention (CDC) in the United States[4]. PMID- 29208137 TI - Rectal lymphogranuloma venereum surveillance in France 2004-2005. AB - Lymphogranuloma venereum (LGV) is a sexually transmitted infection (STI) caused by Chlamydia trachomatis strains belonging to the L1, L2 or L3 genotype. An alert about an outbreak of LGV among MSM in the Netherlands was published in January 2004. The first cases of rectal LGV in France were retrospectively diagnosed in March 2004 and sentinel surveillance for LGV was implemented in April 2004. Most of the participating centres were located in the cities of Paris and Bordeaux. Only confirmed rectal LGV cases were included in the surveillance. Rectal specimens from men that were found to be positive for C trachomatis by PCR were sent to the National Reference Centre for Chlamydia infection for genotyping. Simple epidemiological data provided by clinicians and genotyping results were sent to the Institut de Veille Sanitaire (InVS) where data were anonymously recorded. A total of 328 C. trachomatis rectal strains isolated in men were genotyped by the end of December 2005. Of these, 244 (74%) were LGV strains belonging to the L2 genotype. No L1 or L3 C. trachomatis genotype was found. Diagnosis was made retrospectively for 46 cases. The median age of patients with LGV was 39 years. HIV status was known for 96 patients: 82/96 (85%) were HIV infected. Most LGV cases were diagnosed in the Paris area (92%). Among the remaining 26% C. trachomatis strains, genotypes Da and G were the most frequent. As with syphilis in recent years, the emergence of LGV in Europe is mainly affecting HIV-infected MSM. The screening and treatment of STIs should be included in the clinical follow-up of all HIV-infected MSM. PMID- 29208139 TI - You're the Flight Surgeon. AB - Timboe AM. You're the flight surgeon: seborrheic dermatitis. Aerosp Med Hum Perform. 2017; 88(1):68-70. PMID- 29208140 TI - Suspected cases of intracontinental Burkholderia pseudomallei sequence type homoplasy resolved using whole-genome sequencing. AB - Burkholderia pseudomallei is a Gram-negative environmental bacterium that causes melioidosis, a disease of high mortality in humans and animals. Multilocus sequence typing (MLST) is a popular and portable genotyping method that has been used extensively to characterise the genetic diversity of B. pseudomallei populations. MLST has been central to our understanding of the underlying phylogeographical signal present in the B. pseudomallei genome, revealing distinct populations on both the intra- and the inter-continental level. However, due to its high recombination rate, it is possible for B. pseudomallei isolates to share the same multilocus sequence type (ST) despite being genetically and geographically distinct, with two cases of 'ST homoplasy' recently reported between Cambodian and Australian B. pseudomallei isolates. This phenomenon can dramatically confound conclusions about melioidosis transmission patterns and source attribution, a critical issue for bacteria such as B. pseudomallei that are of concern due to their potential for use as bioweapons. In this study, we used whole-genome sequencing to identify the first reported instances of intracontinental ST homoplasy, which involved ST-722 and ST-804 B. pseudomallei isolates separated by large geographical distances. In contrast, a third suspected homoplasy case was shown to be a true long-range (460 km) dispersal event between a remote Australian island and the Australian mainland. Our results show that, whilst a highly useful and portable method, MLST can occasionally lead to erroneous conclusions about isolate origin and disease attribution. In cases where a shared ST is identified between geographically distant locales, whole genome sequencing should be used to resolve strain origin. PMID- 29208142 TI - Investigation of a tuberculosis cluster at a job centre in Manchester, United Kingdom. AB - During the summer of 2005, four cases of active tuberculosis from the same occupational setting were investigated in Manchester, UK. The index case had been diagnosed in December of the previous year. At that stage the closest occupational contacts had been screened, all of whom were assessed as being free from active disease, and none had met nationally recommended criteria for chemoprophylaxis for latent tuberculosis infection (LTBI). In June 2005, two work contacts developed progressive primary extrapulmonary (pleural) TB. Following a detailed risk assessment, the screening programme was widened to include 137 staff who worked at the job centre (employment agency) where the first four cases had been found. This screening programme was based on tuberculin Mantoux testing, CXR and gamma-interferon testing. Of these 137 contacts screened, one additional person was found to have active disease and six others were offered chemoprophylaxis for LTBI. The isolates from the index case and the first two secondary cases were indistinguishable on VNTR-MIRU (variable number tandem repeat - mycobacterial interspersed repetitive unit) typing at 15 loci. No samples were available for testing from the fourth case of active disease. Management of this incident has benefited from the evolving fields of both genotyping and diagnostic testing for LTBI. However, further research into the epidemiological inferences made through genotyping, as well as the significance of a positive gamma-interferon test in assessing the risk of development of active disease, is still required. PMID- 29208141 TI - Enhanced Surveillance of Infectious Diseases : the 2006 FIFA World Cup experience, Germany. AB - The 2006 FIFA World Cup was held in 12 German cities between 9 June and 9 July 2006. We identified a need to accelerate and sensitise the pre-existing surveillance system for infectious diseases in order to timely detect adverse health events during the World Cup. Enhanced surveillance, based on Germany's pre existing system of mandatory notifications was conducted between 7 June and 11July 2006 in the 12 World Cup cities by: accelerating frequency of electronic data transmission of case-definition based notifiable diseases from weekly to daily transmission, additional reporting of non-case definition-based infectious disease events, lay and expert press screening and intensifying communication between all stakeholders of the surveillance system. Median delay of notification data transmission from the community to the federal level was reduced from three days to one day. The enhanced reporting system detected a norovirus outbreak in the International Broadcast Centre in Munich with 61 epidemiologically linked cases within the first week after onset, as well as four single cases related to the World Cup, two of them with relevance for the International Health Regulations. After the World Cup, all surveillance stakeholders agreed that communication between local, state and federal levels had improved considerably. Unlike the majority of health planners of previous mass gatherings in the last decade we did not introduce syndromic surveillance. Nevertheless, enhancement of infectious disease surveillance successfully detected adverse health events in a timely manner during the FIFA World Cup. Additionally, it provided a valuable communication and networking exercise for potentially critical health-related events. We recommend continuing daily notification data transmission for routine infectious disease surveillance in Germany. PMID- 29208143 TI - SmiNet-2: Description of an internet-based surveillance system for communicable diseases in Sweden. AB - Electronic systems for communicable diseases surveillance enhance quality by simplifying reporting, improving completeness, and increasing timeliness. In this article we outline the ideas and technologies behind SmiNet-2, a new comprehensive regional/national system for communicable disease surveillance in Sweden. The system allows for reporting from physicians (web form) and laboratories (direct from lab data system) over the internet. Using a unique personal identification number, SmiNet-2 automatically merges clinical and laboratory notifications to case records. Privileged users, at national and county level, work against a common central server containing all notifications and case records. In addition, SmiNet-2 has separate county servers with tools for outbreak investigations, contact tracing and case management. SmiNet-2 was first used in September 2004. Individual counties receive up to 90% of all notifications electronically. In its first year, SmiNet-2 received 54 980 clinical notifications and 32 765 laboratory notifications, which generated 58 891 case records. Since most clinicians in Sweden have easy access to the internet, a general web-based reporting has been feasible, and it is anticipated that within a few years all reporting to SmiNet-2 will be over the internet. In this context, some of the major advantages of SmiNet-2 when compared with other systems are timeliness in the dataflow (up to national level), the full integration of clinical and laboratory notifications, and the capability to handle more than 50 diseases with tailor-made notification forms within one single system. PMID- 29208144 TI - Significant increase of listeriosis in Germany - Epidemiological patterns 2001 2005. AB - Listeriosis has been a mandatorily notifiable disease in Germany since January 2001. Clinical cases with isolation of Listeria monocytogenes from sterile specimens or neonates are reported to the Robert Koch-Institut. Listeriosis incidence significantly increased from 0.26 per 100 000 inhabitants (217 cases) in 2001 to 0.62 per 100 000 (519 cases) in 2005. PMID- 29208145 TI - SurvNet@RKI - a multistate electronic reporting system for communicable diseases. AB - In 2001 Germany implemented a new electronic reporting system for surveillance of notifiable infectious diseases (SurvNet@RKI). The system is currently being used in all 431 local health departments (LHD), the 16 state health departments (SHD) and the Robert Koch-Institut (RKI), the national agency for infectious disease epidemiology. The SurvNet@RKI software is written in MS Access 97 and Visual Basic and it supports MS Access as well as MS SQL Server database management systems as a back-end. The database is designed as a distributed, dynamic database for 73 reporting categories with more than 600 fields and about 7000 predefined entry values. An integrated version management system documents deletion, undeletion, completion and correction of cases at any time and entry level and allows reproduction of previously conducted queries. Integrated algorithms and help functions support data quality and the application of case definitions. RKI makes the system available to all LHDs and SHDs free of charge. RKI receives an average of 300 000 case reports and 6240 outbreak reports per year through this system. A public web-based query interface, SurvStat@RKI, assures extensive and timely publication of the data. During the 5 years that SurvNet@RKI has been running in all LHDs and SHDs in Germany it has coped well with a complex federal structure which makes this system particularly attractive to multinational surveillance networks. The system is currently being migrated to Microsoft C#/.NET and transport formats in XML. Based on our experiences, we provide recommendations for the design and implementation of national or international electronic surveillance systems. PMID- 29208146 TI - Epidemiology of invasive meningococcal disease in France in 2003. AB - National surveillance of invasive meningococcal disease (IMD) is based on mandatory reporting. The case definition for surveillance notification was changed in mid-2002 to include cases without microbiological confirmation. The IMD alert detection system was enhanced in 2003 with daily reporting and weekly analysis by district, serogroup, and age. Evaluation of the exhaustivity of the surveillance with capture-recapture analysis allowed correcting for underreporting. In 2003, 803 cases were reported. After correction for under reporting, the estimated incidence was 1.78 / 100 000. After excluding 'new' cases reported with new definition criteria, the 2002-2003 increase was 4%. Incidence decreased with age, with the highest values in infants less than 1 year (20/100 000), children aged between 1 and 2 years (11/100 000) and in teenagers of 17 years old(7/100 000). The overall case fatality rate was 12%. Fifty nine per cent of cases were due to serogroup B, 32% to C, 5% to W135, and 4% to Y and non-groupable meningococci. Patients with purpura fulminans treated with intravenous antibiotics before admission to hospital were shown to have lower fatality rates than those not treated. In 2001-2003, 5 situations required particular attention: two clusters of serogroup B IMD had set off mass prophylaxis, one outbreak due to a specific B IMD clonal complex with high case fatality rate, and two districts crossed the alert threshold for serogroup C IMD, 2/100 000, and mass vaccination was recommended. PMID- 29208147 TI - Shiga toxin-producing Escherichia coli (STEC) O157 outbreak, The Netherlands, September - October 2005. AB - In September 2005, the first national food-related outbreak of Shiga toxin (Stx) producing Escherichia coli (STEC) O157 was investigated in the Netherlands. A total of 21 laboratory-confirmed cases (including one secondary case), and another 11 probable cases (two primary and nine secondary cases) were reported in patients who became ill between 11 September and 10 October 2005. Preliminary investigation suggested consumption of a raw beef product, steak tartare (in the Netherlands also known as 'filet americain'), and contact with other symptomatic persons as possible risk factors. A subsequent case-control study supported the hypothesis that steak tartare was the source of the outbreak (matched odds ratio (OR) 272, 95% confidence interval (CI) 3 - 23211). Consumption of ready-to-eat vegetables was also associated with STEC O157 infection (matched OR 24, 95% CI 1.1 - 528), but was considered a less likely source, as only 40% of the cases were exposed. Samples of steak tartare collected from one chain of supermarkets where it is likely that most patients (67%) bought steak tartare, all tested negative for STEC O157. However, sampling was done three days after the date of symptom onset of the last reported case. Since 88% of the cases became ill within a two week period, point source contamination may explain these negative results. It is concluded that steak tartare was the most likely cause of the first national food-related outbreak of STEC O157 in the Netherlands. PMID- 29208148 TI - Ascertainment of meningococcal disease in Europe. AB - Meningococcal disease surveillance in most countries is based upon a combination of statutory notification systems and laboratory reporting, both of which are recognised to underestimate the true burden of disease. The incidence of meningococcal disease varies throughout Europe, and although there are many reasons for this, it is important to quantify the degree of under-ascertainment in order to validate international comparisons. Here, we review the literature on the ascertainment of meningococcal disease in Europe and the available methods for estimating the degree of under-reporting. We found that the sensitivity of surveillance varies between countries and over time, with estimates ranging from 40% to 96%. We identified five methods suitable for conducting ascertainment studies, from simple comparative studies to more complicated capture-recapture and regression analyses. Studies of ascertainment may be used to identify weaknesses and biases in surveillance data, and facilitate the improvement of these systems. These findings are relevant to the surveillance of other infectious diseases, particularly those with lower mortality and a lower public profile than meningococcal disease, for which ascertainment may be worse. PMID- 29208150 TI - Exercise Countermeasures: The First Decade on ISS. PMID- 29208151 TI - Tattooing, permanent makeup and piercing in Amsterdam; guidelines, legislation and monitoring. AB - Tattooing, body piercing and permanent makeup are increasing in popularity. Here, we describe the procedures involved in these practices, their risks, the content of guidelines developed by the Municipal Health Service in Amsterdam (the Netherlands) to reduce infection risks, the legislation in the city of Amsterdam, and results of monitoring in tattoo and piercing studios. PMID- 29208152 TI - Diagnosis of non-viral sexually transmitted infections in Lithuania and international recommendations. AB - The aim of this study is to evaluate the range, quality and availability of diagnostic services for non-viral sexually transmitted infections (STIs), i.e. C. trachomatis, N. gonorrhoeae, T. vaginalis and T. pallidum, in Lithuania from September 2002 to December 2003. Surveillance data describing the organisation and performance characteristics of non-viral STI diagnostic services in Lithuania were collected using a questionnaire and subsequent site-visits. International evidence-based recommendations for non-viral STI diagnosis were used to evaluate the quality of the STI diagnostics. There were 171 facilities providing non-viral STI diagnostic services for the 3.5 million inhabitants of Lithuania. However, only 6% (n=9) of the respondents (n=153) could provide a confirmatory diagnosis, in accordance with international recommendations, for the full minimum range of relevant non-viral STIs in Lithuania, i.e. C. trachomatis, N. gonorrhoeae, T. pallidum, and T. vaginalis. In addition, accessibility to STI diagnostic services differed significantly among the different counties in Lithuania. Several of the respondents analysed low numbers of samples each year, and overall the sampling size was extremely low, especially for C. trachomatis diagnostics. In Lithuania, optimisation of non-viral STI diagnostics as well as of epidemiological surveillance and management of STIs is crucial. It may be worth considering a decrease in the number of laboratories, with those remaining having the possibility of performing STI diagnostic services that are optimised, in concordance with international recommendations, standardised, and quality assured using systematic internal and external quality controls and systems. In addition, establishment of national inter-laboratory networks and reference centres for non viral STIs is recommended. PMID- 29208153 TI - 'Did you have flu last week?' A telephone survey to estimate a point prevalence of influenza in the Swedish population. AB - Sentinel surveillance usually underestimates the true burden of influenza in a population, as individuals must present to medical establishments to be included in the surveillance system. We carried out a telephone survey to estimate the national burden of influenza in the Swedish population for one week during the 2004/05 influenza season. Fixed-line telephone numbers were randomly sampled and households interviewed concerning influenza illness between 14-20 February 2005 (Week 7 of 2005). Questions regarding seasonal influenza vaccination status, symptoms and the impact of illness on daily life were also included. A self defined influenza prevalence of 7.7% in week 7 of 2005 was estimated. On applying a case definition of 'cough and fever and muscle pain' for influenza like illness, the prevalence decreased to 3.6%. The survey provided insight into the burden of illness in the population further to that estimated through the sentinel surveillance system. PMID- 29208154 TI - The emergence of LGV in Western Europe: what do we know, what can we do? AB - Lymphogranuloma venereum (LGV), a systemic sexually transmitted disease (STD) caused by a variety of the bacterium Chlamydia trachomatis, occurs rarely in the Western world [1]. However, in January 2004, public health officials in the Netherlands noted an outbreak of cases of LGV proctitis among men who have sex with men (MSM) [2]. Since then, cases have been reported from several European countries, and the United States of America and Canada. In this issue three countries report on the current status of LGV [3-5]. PMID- 29208155 TI - Legionnaires' disease in Europe 2003-2004. AB - Once a year, countries that collaborate in the European Surveillance Scheme for Travel Associated Legionnaires' Disease (EWGLINET) are requested to submit a dataset that provides epidemiological and microbiological information on cases of legionnaires' disease (nosocomial (hospital-acquired), community and travel related) detected in their country for that year. This paper presents the data collected for 2003 and 2004. For this period, 9166 cases were reported to the dataset by 35 countries, of which 941 cases were associated with outbreaks. Fourteen countries reported a total of 218 detected outbreaks. National infection rates varied between countries from 28.7 to less than one case per million population. This information is valuable in that it allows countries to assess the effectiveness of their national surveillance schemes in detecting cases. Over the two year period, 748 cases were reported to have died, giving a case fatality rate of 8.2%. The lack of detailed epidemiological information on deaths from legionnaires' disease is highlighted. The establishment of the European Centre for Disease Prevention and Control is seen as an opportunity to develop European collaborations more fully, and to increase further the protection of Europeans from outbreaks of legionnaires' disease. PMID- 29208156 TI - Epidemic conjunctivitis in Germany, 2004. AB - Epidemic conjunctivitis can be associated with viral or bacterial pathogens, whereas epidemic keratoconjunctivitis is caused mainly by adenoviruses type 8,19 and 37. In Germany, the incidence of adenovirus conjunctivitis cases increased from 0.2 per 100 000 inhabitants (in 2001 and 2002) eventually to 0.5 in 2003 and 0.8 in 2004. The detection of adenovirus in conjunctival swabs is notifiable to the local health departments. Data about cases with positive conjunctival swabs are then transmitted to the Robert Koch-Institut. Quality control of data takes place and national surveillance data of confirmed cases with adenovirus conjunctivitis are published. From January to April 2004 the national surveillance system captured an outbreak with 1024 cases (131 laboratory confirmed). Analysis of the national surveillance data showed that in March 2004 the group primarily affected by epidemic keratoconjunctivitis was young men between 18 -29 years old followed by an increased number of notifications from women in the same age group. Meanwhile the German Armed Forces experienced an outbreak of conjunctivitis, almost exclusively without laboratory confirmation, affecting 6378 soldiers. Despite the small number of laboratory confirmed cases it became clear from the analysis of the national surveillance data that person to-person transmission between young men and similar age groups of the population did occur. Whether the outbreak started within the garrisons of the German Armed Forces or whether it was triggered within these accommodations, there is clearly a need for the national and the military public health institutions to work together on guidelines to handle future challenges. PMID- 29208157 TI - Using data from a behavioural survey of men who have sex with men (MSM) to estimate the number likely to present for HIV pre-exposure prophylaxis (PrEP) in Ireland, 2017. AB - In Ireland, men who have sex with men (MSM) have increased HIV risk. Pre-exposure prophylaxis (PrEP), combined with safe sex practices, can reduce HIV acquisition. We estimated MSM numbers likely to present for PrEP by applying French PrEP criteria to Irish MSM behavioural survey data. We adjusted for survey bias, calculated proportions accessing testing services and those likely to take PrEP. We estimated 1-3% of MSM in Ireland were likely to present for PrEP. PMID- 29208158 TI - HIV testing in Europe: Evaluating the impact, added value, relevance and usability of the European Centre for Disease Prevention and Control (ECDC)'s 2010 HIV testing guidance. AB - BACKGROUND: An evaluation of the 2010 ECDC guidance on HIV testing, conducted in October 2015-January 2016, assessed its impact, added value, relevance and usability and the need for updated guidance. METHODS: Data sources were two surveys: one for the primary target audience (health policymakers and decision makers, national programme managers and ECDC official contact points in the European Union/European Economic Area (EU/EEA) countries and one for a broader target audience (clinicians, civil society organisations and international public health agencies); two moderated focus group discussions (17 participants each); webpage access data; a literature citation review; and an expert consultation (18 participants) to discuss the evaluation findings. RESULTS: Twenty-three of 28 primary target audience and 31 of 51 broader target audience respondents indicated the guidance was the most relevant when compared with other international guidance. Primary target audience respondents in 11 of 23 countries reported that they had used the guidance in development, monitoring and/or evaluation of their national HIV testing policy, guidelines, programme and/or strategy, and 29 of 51 of the broader target audience respondents reported having used the guidance in their work. Both the primary and broader target audience considered it important or very important to have an EU/EEA-level HIV testing guidance (23/28 and 46/51, respectively). CONCLUSION: The guidance has been widely used to develop policies, guidelines, programmes and strategies in the EU/EEA and should be regularly updated due to continuous developments in the field in order to continue to serve as an important reference guidance in the region. PMID- 29208159 TI - Reduction in undiagnosed HIV infection in the European Union/European Economic Area, 2012 to 2016. AB - It is well-documented that early HIV diagnosis and linkage to care reduces morbidity and mortality as well as HIV transmission. We estimated the median time from HIV infection to diagnosis in the European Union/European Economic Area (EU/EEA) at 2.9 years in 2016, with regional variation. Despite evidence of a decline in the number of people living with undiagnosed HIV in the EU/EEA, many remain undiagnosed, including 33% with more advanced HIV infection (CD4 < 350 cells/mm3). PMID- 29208160 TI - HIV epidemic among men who have sex with men in the Czech Republic, 2016: high time for targeted action. AB - Reported incidence of human immunodeficiency virus (HIV) infection in the Czech Republic increased steeply over the past decade from 90 new cases in 2005 to 266 in 2015. This increase is almost exclusively attributed to sexual transmissions between men who have sex with men (MSM). In 2015, there were 79% (n=210) newly diagnosed cases among MSM, 17% (n=45) were attributed to heterosexual transmission and 1% (n=3) to people who inject drugs. Interventions targeted at MSM have not yet been prioritised in the broadly focused national HIV prevention strategy which this is envisaged to change in the programme set out for 2018 to 2022. The national budget for HIV prevention has been reduced, however, and this remains. Availability of voluntary counselling and testing has decreased substantially in the past decade. Post- and pre-exposure prophylaxis for sexual intercourse among MSM are not part of the HIV prevention policy and the concept of treatment as prevention is not fully recognised. Provision of a combined prevention strategy with a focus on MSM, reflecting the above factors including stigmatisation, should contribute to reverse the development of a concentrated HIV epidemic among MSM in the Czech Republic. PMID- 29208161 TI - Hepatitis A outbreak in HIV-infected MSM and in PrEP-using MSM despite a high level of immunity, Lyon, France, January to June 2017. AB - Since 2016, an increase in the number of hepatitis A cases affecting mainly men who have sex with men (MSM) has been reported in low endemic countries in Europe. We calculated the attack rate in Lyon, France, in populations considered at high risk: HIV-infected MSM and HIV-negative MSM receiving HIV pre-exposure prophylaxis (PrEP). In these populations, high level of immunity did not prevent the outbreak, indicating that vaccination should be reinforced, particularly in younger individuals. PMID- 29208162 TI - Healthcare associated infections in university hospitals in Latvia, Lithuania and Sweden: a simple protocol for quality assessment. AB - Surveillance of healthcare associated infections is an overlooked parameter of good clinical practice in most healthcare institutions, due to the workload demanded in the absence of adequate IT-systems. The aim of the present study was to investigate whether a simple protocol could be used to estimate the burden of healthcare associated infections in three university hospitals in Huddinge in Sweden, Riga in Latvia and Vilnius in Lithuania and form the basis for initiating a long term follow up system. The medical records of all patients receiving antibiotics were reviewed according to a standardised protocol, focusing on the indications for the drugs and on the frequency of hospital acquired infection (HAI) in a point-prevalence survey. Only comparable specialities were included. The proportion of patients treated with antibiotics (prophylaxis not included) were 63/280 (22%) in Huddinge, 73/649 (11%) in Riga and 99/682 (15%) in Vilnius. The proportion of admitted patients treated for a HAI were 15%, 3% and 4%, respectively, (both comparisons Huddinge versus other centres P<0.001). Surgical site infections were most common, followed by infections with an onset more than 2 days after admission without any of the other registered risk factors present. Our inexpensive and simple method showed that healthcare associated infections were a significant problem among patients admitted to Huddinge. The figures obtained can be used for further discussion and form a baseline for follow up at the local level. The comparison of figures between centres was far less relevant than the process the study created. PMID- 29208164 TI - Syndromic surveillance based on emergency department activity and crude mortality: two examples. AB - Recent public health crises have shown the need for readily available information allowing proper management by decision-makers. One way of obtaining early information is to involve data providers who already record routine data for their own use. We describe here the results of a pilot network carried out by the InVS (Institut national de veille sanitaire) which gathered data available in real time from hospital emergency departments and register offices. Emergency departments data were registered from patients' computerised medical files. Mortality data were received from the national institute of statistics (Insee). Data were transmitted automatically on a daily basis. Influenza data from outbreaks in 2004/05 and 2005/06 were compared with data from the sentinel network for the same periods. Environmental health data were compared with meteorological temperatures recorded in Paris between June and August 2006. A mortality analysis was conducted on a weekly basis. Correlation between influenza data from emergency departments and data from Sentiweb (sentinel network) was significant (p<0.001) for both outbreaks. In 2005 and 2006, the outbreaks were described similarly by both sources with identification of the start of the outbreaks by both systems during the same weeks. As for data related to heat, a significant correlation was observed between some diagnoses and temperature increases. For both types of phenomena, mortality increased significantly with one to two weeks lag. To our knowledge, this is the first time that a study using real time morbidity and mortality data is conducted. These initial results show how these data complement each other and how their simultaneous analysis in real time makes it possible to quickly measure the impact of a phenomenon. PMID- 29208163 TI - Population structure of Escherichia coli O26 : H11 with recent and repeated stx2 acquisition in multiple lineages. AB - A key virulence factor of enterohaemorrhagic Escherichia coli (EHEC) is the bacteriophage-encoded Shiga toxin (Stx). Stxs are classified into two types, Stx1 and Stx2, and Stx2-producing strains are thought to cause more severe infections than strains producing only Stx1. Although O26 : H11 is the second most prevalent EHEC following O157 : H7, the majority of O26 : H11 strains produce Stx1 alone. However, Stx2-producing O26 strains have increasingly been detected worldwide. Through a large-scale genome analysis, we present a global phylogenetic overview and evolutionary timescale for E. coli O26 : H11. The origin of O26 has been estimated to be 415 years ago. Sequence type 21C1 (ST21C1), one of the two sublineages of ST21, the most predominant O26 : H11 lineage worldwide, emerged 213 years ago from one of the three ST29 sublineages (ST29C2). The other ST21 lineage (ST21C2) emerged 95 years ago from ST21C1. Increases in population size occurred in the late 20th century for all of the O26 lineages, but most remarkably for ST21C2. Analysis of the distribution of stx2-positive strains revealed the recent and repeated acquisition of the stx2 gene in multiple lineages of O26, both in ST21 and ST29. Other major EHEC virulence genes, such as type III secretion system effector genes and plasmid-encoded virulence genes, were well conserved in ST21 compared to ST29. In addition, more antimicrobial resistance genes have accumulated in the ST21C1 lineage. Although current attention is focused on several highly virulent ST29 clones that have acquired the stx2 gene, there is also a considerable risk that the ST21 lineage could yield highly virulent clones. PMID- 29208165 TI - Hepatitis A vaccination policy for travellers to Egypt in eight European countries, 2004. AB - In 2004, an outbreak of hepatitis A occurred in European tourists returning from Egypt. The reported hepatitis A attack rates varied considerably between tourists from different European countries. To determine the reason for this divergence in attack rates, a survey was undertaken with the following objectives: (a) documentation of national hepatitis A prevention policies for people travelling to Egypt and (b) documentation of hepatitis A reporting practices in these countries. A questionnaire was compiled and distributed to 13 European countries. All eight of the countries that responded had produced guidelines for the prevention of travel-associated hepatitis A. Between 2001-2003, 40% (range 4-51) of hepatitis A cases reported annually were associated with travel abroad. This occurred despite the fact that all countries recommended active vaccination with hepatitis A vaccine for people travelling to Egypt for holidays. There was no standard case definition for reporting confirmed cases in the countries that reported hepatitis A cases. As it is likely that travel-associated infections will increase as more people take overseas holidays, innovative ways to increase the number of travellers who seek and adhere to appropriate medical advice prior to travel must be explored. In addition, we recommend the use of the European Commission case definition for notification of confirmed cases of hepatitis A. PMID- 29208166 TI - Antibiotic resistance in the southeastern Mediterranean - preliminary results from the ARMed project. AB - Sporadic reports from centres in the south and east of the Mediterranean have suggested that the prevalence of antibiotic resistance in this region appears to be considerable, yet pan-regional studies using comparable methodology have been lacking in the past. Susceptibility test results from invasive isolates of Staphylococcus aureus, Streptococcus pneumoniae, Escherichia coli, Enterococcus faecium and faecalis routinely recovered from clinical samples of blood and cerebrospinal fluid within participating laboratories situated in Algeria, Cyprus, Egypt, Jordan, Lebanon, Malta, Morocco, Tunisia and Turkey were collected as part of the ARMed project. Preliminary data from the first two years of the project showed the prevalence of penicillin non-susceptibility in S. pneumoniae to range from 0% (Malta) to 36% (Algeria) [median: 29%] whilst methicillin resistance in Staphylococcus aureus varied from 10% in Lebanon to 65% in Jordan [median: 43%]. Significant country specific resistance in E. coli was also seen, with 72% of isolates from Egyptian hospitals reported to be resistant to third generation cephalosporins and 40% non-susceptible to fluoroquinolones in Turkey. Vancomycin non-susceptibility was only reported in 0.9% of E. faecalis isolates from Turkey and in 3.8% of E. faecium isolates from Cyprus. The preliminary results from the ARMed project appear to support previous sporadic reports suggesting high antibiotic resistance in the Mediterranean region. They suggest that this is particularly the case in the eastern Mediterranean region where resistance in S. aureus and E. coli seems to be higher than that reported in the other countries of the Mediterranean. PMID- 29208167 TI - A slow epidemic of LGV in the Netherlands in 2004 and 2005. AB - In 2004, an outbreak of LGV was detected in MSM in the Netherlands. By January 2006, 179 confirmed cases of LGV had been reported; 65 (retrospectively) in 2002/2003, 76 in 2004 and 38 in 2005. The evolution of the LGV outbreak appears to have slowed down and only a few cases were found in the first months of 2006. PMID- 29208168 TI - Biochemical evaluation of hydroxyurea derivative schiff bases in liver of rats. AB - In this study, it was aimed to examine the antioxidant and antihepatotoxic effects of hydroxyurea derivative Schiff bases on serum biochemical parameters (AST, ALT, LDH, urea, creatinine and total bilirubin) and antioxidant parameters (SOD, CAT, GPx, MDA). In this study, a total of 49 adult male Wistar rats was examined and they were divided into 7 equal groups. DMSO, which is diluted only with corn oil, was administered to control group. 25 mg / kg ligand, 25 mg / kg Schiff base - manganese, 25 mg / kg Schiff base-copper, 25 mg / kg Schiff base - zinc, 25 mg / kg Schiff base - nickel, 25 mg / kg Schiff base - cobalt complexes were administered to rats of experimental group subcutaneously for 15 days with three-day intervals throughout the test process. All specimens were killed by decapitation and their livers were extracted. According to the results obtained, ALT level was observed to be higher (P<0.05) in the Cu-L group compared to other groups. LDH level was observed to be higher (P<0.05) in the Cu-L and Co-L groups compared to other groups. SOD level was observed to be higher (P<0.05) in the Cu L, Mn-L and Zn-L groups compared to other groups. MDA level was observed to be higher (P<0.05) in the Ni-L, Cu-L, Zn-L groups compared to other groups. In conclusion, it can be suggested that the determination of the pharmacological characteristics of them can be beneficial in numerous fields of application thanks to the antioxidant and hepatotoxic activities demonstrated by hydroxyurea derivative Schiff bases. PMID- 29208169 TI - Effect of melatonin on cytokine levels in a hyperthermia-induced febrile seizure model. AB - Higher serum cytokine levels have been reported in children admitted with febrile seizures and in some experimental models. However, other studies have shown that cytokine levels are influenced by melatonin. In this study, we investigated serum cytokine levels in a hyperthermia-induced febrile rat seizure model and the effect of melatonin. A total of 28 male Sprague-Dawley rats were divided into four groups: the control (C) group, healthy melatonin (MT) group, and hyperthermia-induced febrile seizure groups with (HIFS-MT) and without (HIFS) administration of melatonin. Melatonin (80 mg/kg) was given intraperitoneally 15 min before the seizure. HIFS was induced by placing the rats in 45 degrees C water. The rats were sacrificed under anesthesia after the seizure. Blood samples were drawn by transcardiac puncture to measure serum cytokine and melatonin levels. Serum interleukin (IL)-1beta, IL-6, IL-10, and tumor necrosis factor (TNF)-alpha levels were lower in the HIFS group than those in the C group (p = 0.005, p = 0.200, p = 0.011, and p = 0.016, respectively). All serum cytokine levels of rats in the MT and HIFS-MT groups were similar to those in the C group. This experimental rat model demonstrated that serum cytokine levels decrease with HIFS and that administering melatonin maintains serum cytokine levels. These results suggest that cytokines may play role in the anticonvulsive activity of melatonin in rats with febrile seizures. PMID- 29208170 TI - Ferula gummosa gum induces apoptosis via ROS mechanism in human leukemic cells. AB - Ferula species known for its oleo-resins that are recognized valuable industrial crops and food products. In this study, we examined the level of cellular oxidants, cytotoxicity, apoptosis and differentiation induced by oleo resin gum from Ferula gummosa (30-250 ug/mL), as well as Arsenic trioxide (50 uM, as positive control), in leukemic (NB4 and HL-60 cells) and normal polymorph nuclear cells during 72 h. Resazurin assay was used to determine cell viability following treatment with F. gummosa (30-250 ug/mL). Intracellular reactive oxygen species was measured by fluorimetry using carboxy 2', 7'-dichlorofluorescein diacetate. Apoptotic cells were evaluated using PI staining of DNA fragmentation by flow cytometry (sub-G1 peak). Differentiation of cells evaluated by Giemsa staining and Nitro Blue Tetrazolium reduction. F. gummosa showed a concentration-dependent suppression in cell survival with IC50 values of 41.8 ug/mL for HL60 and 59.2 ug/mL for NB4 cells after 72 h treatment. ROS formation and apoptotic cells were concentration-dependently increased following treatment with F. gummosa, similar to As2O3. F. gummosa did not induce differentiation of leukemic cells towards granulocytic pattern. The resin did not have toxic effect on PMN cells (<800 ug/mL). In conclusion, the present study demonstrated that F. gummosa induced apoptosis through ROS mechanism on leukemic cells as a concentration and time dependent manner. The precise signaling pathway by which F. gummosa induce apoptosis needs further research. PMID- 29208171 TI - Ecological and biological studies on five-lined skink, Trachylepis (= Mabuya) quinquetaeniata inhabiting two different habitats in Egypt. AB - This study was carried out to study the diet type, genetic, morphometric and histological variations between two natural populations of Trachylepis quinquetaeniata inhabiting Abu-Rawash, Embaba, North Giza and Garfas-Senoures, El Faiyum habitats. In this study, morphometric examination showed that Trachylepis quinquetaeniata is a typically ground-dwelling Skink and seems to be frequently associated with grass and below shrubs. Geographic variation in sexual size dimorphism (SSD) and head size dimorphism (HSD) with greater dimensions in Garfas Senoures, El-Faiyum compared with Abu-Rawash, Embaba, North Giza might be correlated with spatial food availability and abundance or micro-evolutionary change or phenotypic plasticity. Also, the increase of body size and mass in individuals from Garfas-Senoures, El-Faiyum might be an adaptation to lower ambient temperature and hypoxia. Diet analysis showed that the bulk of gut contents were beetles, plant bugs, hymenopterans and dipterans. The remainder of the plant material was probably ingested secondarily. Moreover, the increase in the activity of Ldh in liver tissues of T. quinquetaeniata inhabiting Abu-Rawash, Embaba, North Giza could be confirmed by the significant increase in the accumulation of the total lipids in liver and muscle tissues than that in the other population. As well as, a marked degeneration, necrosis and desquamation of spermatogoneal cells lining seminiferous tubules in testes of T. quinquetaeniata inhabiting Garfas-Senoures, El-Faiyum than that in the other population inhabiting Abu-Rawash, Embaba, North Giza that could be attributed to the bioaccumulation of soil heavy metals in testes. Higher carbohydrate accumulation in the former lizards' population was confirmed by the high availability and diversity of diet in El-Faiyum habitat. Thus we concluded that T. quinquetaeniata inhabiting Abu-Rawash, Embaba, North Giza is more active, energetic and adaptable in its habitat than T. quinquetaeniata inhabiting Garfas-Senoures, El-Faiyum. PMID- 29208172 TI - Investigation of role of vascular endothelial growth factor, Annexin A5 and Apelin by immunohistochemistry method in placenta of preeclampsia patients. AB - Preeclampsia is a disease characterized by hypertension and proteinuria occurred after 20 weeks of gestation. Preeclampsia is a major cause of maternal and fetal morbidity and mortality. The pathophysiological mechanism of preeclampsia is not known exactly yet. Preeclampsia endothelial cell dysfunction, associated with inadequate trophoblastic invasion is characterized by abnormal placentation. Vascular endothelial growth factor (VEGF) according to is an angiogenic cytokine, Annexin A5 is among endogenous peptides are both expressed from placental trophoblasts and Apelin is a multifunctional peptide and expressed by placental trophoblasts and endothelial cells. It was aimed to investigate roles of these parameters occurring in preeclampsia and to compare immunoreactivity of them in normal and preeclamptic placenta. In this study, placentas were collected from 20 normotensive pregnant women as controls, 16 mild-preeclamptic pregnant women, and 16 severe preeclamptic women. VEGF, Annexin A5 and Apelin were examined in samples of placenta tissues by streptavidin-biotin-peroxidase complex immunohistochemical methods. Immunoreactivity scores (IRS) were obtained for each parameter. VEGF and Apelin IRS were increased significantly in preeclamptic groups compared with control group (p <0.026, p<0.002 respectively). But Annexin A5 IRS was decreased significantly in preeclamptic groups compared with control group (p<0.04). In correlation with the intensity of disease, increase in VEGF and Apelin, and decrease in Annexin A5 supports roles of hemo-dynamic alterations in fetoplacental circulation and structural alterations in uteroplacental bed occurring in preeclampsia. PMID- 29208173 TI - Transforming Growth Factor-beta1 gene polymorphism and osteoporosis in postmenopausal egyptian women. AB - Transforming growth factor-beta1 (TGF-beta1) is a wide spread bone matrix protein that affect the function, formation and cell-cell interactions of osteoclasts and osteoblasts to regulate bone remodeling and sustain adequate bone mass. The aim of this study is to evaluate the role of the two polymorphism of transforming growth factor-beta1 T869C and C-509T in developing osteoporosis in postmenopausal Egyptian women. This study was performed on 138 postmenopausal osteoporosis/osteopenic women and 128 postmenopausal female control group. There was a significant statistical difference in the CC, CT and TT (T869C) genotype frequencies between the osteopenia/osteoporosis and control subjects (p value <0.001). There was a non-significant statistical difference in the CC, CT and TT (T-509C) genotype frequencies between the osteopenia/osteoporosis and control subjects (p value <0.082). There was a significant statistical difference between TT,CT and CC of (T869C) and T score, Z score and calcium of osteopenia/osteoporosis group (p value <0.001). There was a non-significant statistical difference between TT, CT and CC of (T-509C) and T score, Z score of osteopenia/osteoporosis group (p value 0.32,0.31),but there was a statistically significant difference between the three genotyping and serum calcium and creatinine (p value 0.04). Multivariate regression analysis showed that T869C polymorphism is a significant risk factor for osteopenia/ osteoporosis (OR 3.57, 95% CI= 1.56-5.67). We concluded that T869C polymorphism of the TGF-beta1 gene has an impact on bone mineral density and enhancement of the susceptibility to osteopenia/osteoporosis in Egyptian women. PMID- 29208174 TI - Strong antimicrobial activity of Hypericum perforatum L. against oral isolates of Lactobacillus spp. AB - Lactobacillus spp. are one of the first microorganisms involved in the development of dental caries in the first years of life of the child. The purpose of this study was to investigate the antibacterial effect of alcoholic extract of hypericin against strains of Lactobacillus spp. and determine its related MIC (minimum inhibitory concentration); and cytotoxic effect against gingival fibroblasts. Antimicrobial activity and MIC were evaluated using micro broth dilution method based on CLSI (clinical and laboratory standards institute) protocols. Determination of cytotoxicity was done by using MTT assay protocol on gingival fibroblast cells at 24, 48 and 72 hours after adding different concentrations of alcoholic extract of hypericin. Hypericin extract had an antimicrobial effect on lactobacillus spp., and its MIC was determined to be 0.625ug/ml . The IC50 value after 24, 48 and 72 hours was obtained as 0.89MUg/ml, 0.7MUg/ml and 0.604MUg/ml, respectively. Hypericin extract MIC for L.acidophilus spp. was 0.625ug/ml and given that, MIC was less than IC50. This concentration does not have toxic effects on gingival fibroblast cells. The results of this study indicate that hypericin extract was able to eliminate acid producing strains in the mouth and can be evaluated as a suitable and safe substitute for mouthwashes and oral disinfectants. PMID- 29208175 TI - Antifungal activity of silver nanoparticles on Fluconazole resistant Dermatophytes identified by (GACA)4 and isolated from primary school children suffering from Tinea Capitis in Ismailia - Egypt. AB - Fungal infections caused by dermatophytes recently became more common. Available antifungal drugs are limited because of emergence of resistant strains due to prophylaxis with them, so there is an urgent need for novel antifungals. This study is aimed to detect the antifungal activity of silver nanoparticles (SNPs) on Fluconazole resistant dermatophytes isolated from primary school children clinically suffering from tinea capitis and attending El-Sheikh Zaid Dermatology Center in Ismailia. The study was done on 112 clinical cases. Examination with potassium hydroxide(KOH) of hair samples was done, followed by routine identification using culturing, macroscopical and microscopical examination and biochemical tests, finally molecular identification using Polymerase Chain Reaction (PCR) with (GACA) 4 was done. Fluconazole resistance of these dermatophytes was detected by different methods including agar disc diffusion method and broth microdilution susceptibility testing. Silver nanoparticles susceptibility testing was carried out on these Fluconazole resistant dermatophytes. The Ubiquitin 1 (Ub 1) gene was detected in samples which were Fluconazole resistant but SNPs susceptible. In this study dermatophytes were found only in 70 samples (62.5%). They were belonged to 3 species: Trichophyton violaceum, Microsporum gypseum and Microsporum canis. Fluconazole resistance was found in 58 samples (82.85%). Both M. canis and M. gypseum were resistant to all used concentrations of SNPs, while T. violaceum was susceptible to 50 ug/ml SNPs solution. The Ub1 gene was detected in 1 sample (4.8%). Therefore SNPs can be used for treatment of T. violaceum, while they can't be used for treatment of M. canis or M. gypseum. PMID- 29208176 TI - Analysis of potential interactions between vitamins D and C using gene expression profiles from mouse models. AB - Vitamin D (VD) and vitamin C (VC) have been recognized as essential elements for human health. Animal models, especially mouse models, have been widely used in the study of VD and VC. This study is to investigate how VD and VC interact at molecular level using whole genome expression profiles from spleens of 111 mouse strains and livers from 40 mouse strains. We first identified the genes that are closely correlated to vitamin D receptor (Vdr) and gulonolactone oxidase (Lgo). We next analyzed the potential molecular pathways of Vdrand Lgo correlated genes and examined how these two sets of pathways are connected in liver and spleen. Our results indicated that Vdrand Lgo associate to distinct groups of genes. While most of genes are not the same, a few of them are associated to both Vdrand Lgo. Our gene network construction suggests that there are interactions between Vdrand Lgopathways. Our work laid down the foundation for future study of the interactions between VD and VC and revealed the potential bias when using animals for the study of VD or VC, as humans do not produce VC. PMID- 29208177 TI - Human haematological and epithelial tumor-derived cell lines express distinct patterns of onco-microRNAs. AB - MicroRNAs post-transcriptionally regulate gene expression thus playing a critical role in a wide range of physiological and pathological processes, including cancer initiation and progression. Moreover, a growing number of evidences highlights that miRNAs themselves are differentially expressed between normal and malignant tissues. In this study, we analysed differences in miRNA expression profile between haematological and epithelial tumor-derived cell lines and explored their role in definying different cancer cells phenotypes. Cancer Focus microRNA PCR Panel was used to analyze eighty-four oncomiRNAs in two human haematological (K562 and HL-60) and in two epithelial (H460 and MCF-7) cancer cell lines. Bioinformatic tools were used to identify miRNA-specific signatures and to discover potentially deregulated pathways. Our analysis led to the identification of i) a large repertoire of miRNAs commonly expressed in the four cell lines, including two equally highly expressed (UPmiRs) and four equally low expressed (DNmiRs); ii) two miRNAs signatures, one associated with the haematological and one with the epithelial cell lines; iii) miRNA signatures specific for the acute or for the chronic myeloid leukemic cells; iv) miRNA signatures specific for the lung or for the breast carcinoma cells. As a whole, these results strengthen the significance of miRNAs profiling in human cancer subtyping, providing the ground for the identification of novel potential biomarkers for specific cancer cell phenotypes. PMID- 29208178 TI - Bioactive flavones isolated from Tunisian Artemisia campestris L. Leaves. AB - Four flavones were isolated from dried leaves of Artemisia campestris L. 2',4',5,7-tetrahydroxy-5',6-dimethoxyflavone, eupatilin and dimethoxycentaureidin were reported for the first time in this species whereas cirsiliol was previously identified but it was isolated for the first time. Their structures were elucidated by spectroscopic methods, including 1D and 2D NMR experiments and mass spectrometry analysis. In addition, all isolated flavones were evaluated for their antioxidant, anti-inflammatory, anti-superoxide dismutase, anti-xanthine oxidase and cytotoxic activities. The results showed that all isolated compounds exhibited potent anti-xanthine oxidase activity with IC50 ranging from 3.3 to 6.8 uM, which was higher than that of the control compound allopurinol (8.2 +/- 0.6 uM). In addition, cirsiliol was found to be the most cytotoxic against OVCAR-3, IGROV-1and HCT-116 cell lines at 15uM, with inhibition percentage values of 53.7, 48.8 and 40.9%, respectively. All compounds also showed weak to moderate anti inflammatory and anti-superoxide dismutase activities. PMID- 29208179 TI - Genetic characterization and assessment of demographic bottleneck in Caspian horse population. AB - The aim of this study was to evaluate genetic characterization of the Caspian horse population using microsatellite markers. This study determined the efficiency of microsatellite markers for conservation plans and breeding strategies in Caspian horse population. For this purpose, 120 Caspian horse samples including 95 adults and 25 foals were genotyped by using seventeen microsatellite markers recommended by ISAG. The number of allele per locus varied from 5 (HMS01 and HTG07) to 9 (HTG10) with an average value of 7.41. The observed heterozygosity and the expected heterozygosity ranged 0.505-0.831 (mean 0.684), from 0.615-0.835 (mean 0.748) respectively. PIC value ranged from 0.716 (HMS01) to 0.834 (AHT04) with average 0.787. The total exclusion probability of the 17 microsatellite loci was 0.9999. Low values of Wright's fixation index, Fis (0.084) indicated low levels of inbreeding. A significant heterozygote excess on the basis of different models suggested that Caspian horse population has decreased to low numbers in the past, but a bottleneck event is still scrutable, and its number has recently increased is not in mutation drift equilibrium. The present study contributes to our knowledge of the genetic diversity of the Caspian horse population and helps to define its genetic conservation strategies. PMID- 29208180 TI - Curcumin induce DNA damage and apoptosis through generation of reactive oxygen species and reducing mitochondrial membrane potential in melanoma cancer cells. AB - Melanoma is the most malignant skin cancer. Curcumin has shown to have therapeutic effects when used in the treatment of malignant diseases. However, the precise molecular mechanisms of its action are not fully elucidated. In this research, we hypothesized that reactive oxygen species (ROS) play a key role in curcumin induced DNA damage, apoptosis and cell dead. To test our hypothesis, cytotoxic, genotoxic, apoptotic, ROS generating and mitochondrial membrane potential (MMP) of curcumin on mouse melanoma cancer cells (B16-F10) and fibroblastic normal cells (L-929) were investigated. Our results demonstrated that curcumin decreased cell viability and MMP and, increased DNA damage, apoptosis and ROS levels in both melanoma cancer and normal cells in a dose dependent manner and, these activities were significantly higher in melanoma cells than in normal cells with higher concentrations. There were positive strong relationships between DNA damage, apoptosis, cytotoxicity and ROS generation and MMP levels in curcumin treated melanoma and normal cells. In summary, this in vitro study provide clear evidence that curcumin induced DNA damage, apoptosis and cytotoxicity via its pro-oxidant activity in a dose dependent manner in both cancer and normal cells and these activities were higher in cancer cells than those of normal cells. PMID- 29208181 TI - Potential biomarkers for the diagnosis of respiratory tract infection and lungs cancer. AB - Major hurdle faced by many physicians in treating various respiratory tract infections and lung carcinomas is their late or mis-diagnosis. In most respiratory tract infections the manner of infection is not completely understood. Similarly, various lung carcinomas are diagnosed at advance stages at which not only the treatment possibilities are narrowed but the chances of survival are also reduced. So, for the sake of better treatment, the quick and improved diagnostic strategies are suggested. Protein biomarkers fully fit the description in this regard as they have shown great potential in specific diagnosis of many respiratory diseases and also have shown capability in timely pin pointing different stages of lung carcinomas. Many serum biomarkers are presently being used for diagnosis but the efficiency for diagnosis of these biomarkers is lower when used alone. So, physicians are suggested to use the combination of different biomarkers. Moreover, genetic biomarkers are also currently studied to indicate the exact stage of disease, the possible damage occurred, the severity of disease and also for the analysis of the possible body response to the therapeutics. PMID- 29208182 TI - Complexity of phenotypes induced by p.Asn1303Lys-CFTR correlates with difficulty to rescue and activate this protein. AB - Cystic Fibrosis is the most common recessive autosomal rare disease found in Caucasian. It is caused by mutations on the Cystic Fibrosis Transmembrane Conductance Regulator gene (CFTR) that encodes for a protein located on the apical membrane of epithelial cells. c.3909C>G (p.Asn1303Lys) is one of the most common worldwide mutations located in nucleotide binding domain 2. The effect of the p.Asn1303Lys mutation on misprocessing was studied by immunofluorescence and western blotting analysis in presence and absence of treatment. To evaluate the functionality of potentially rescued p.Asn1303Lys-CFTR, we assessed the channel activity by radioactive iodide efflux. No recovery of the activity was observed in transfected cultured cells treated with VX-809. Thus, our results suggest that multiple drugs may be needed for the treatment of c.3909C>G patients in order to correct and activate p.Asn1303Lys-CFTR as it shows folding and functional defects. PMID- 29208183 TI - Promoter motifs required for c-mpl gene expression induced by thrombopoietin in CMK cells. AB - Thrombopoietin (TPO) and its receptor, c-Mpl, are the central regulators of megakaryocyte development and platelet production and are also crucial to regulate megakaryocytopoiesis. TPO remarkably elevated c-mpl promoter activity, while the protein kinase C (PKC) inhibitors, GF109203, H7 and Calphostin C, clearly reduced the steady level of its promoter activity. In the present study, motifs crucial for c-mpl promoter activity induced by TPO treatment have been analyzed using a human megakaryoblastic cell line, CMK. Destruction of the 107Sp1 and the -57Sp1 sites in the c-mpl promoter enhancer region resulted in decrease of the promoter activity by 53.1% and 64.4%, respectively, and destruction of -69Ets and -28Ets elements dramatically decreased the promoter activity by 96.4% and 87.8%, respectively, while mutation of -77GATA moderately reduced the activity by 31.4%. The result was in agreement with our previous report that showed the crucial motifs in the c-mpl promoter for the promoter activity induced by PMA-treatment. This indicates that TPO-induced activation of the c-mpl promoter activity is fully modulated by transcription through a PKC dependent pathway and the two Sp1 and two Ets motifs are crucial for the activation of the c-mpl promoter activity rather than a GATA motif in the c-mpl promoter of CMK cells. PMID- 29208184 TI - Development of PCR primer systems for amplification of 16S-rDNA to detect of Thiobacillus spp. AB - Thiobacillus is a genus of Gram-negative, rod-shaped and autotrophic Betaproteobacteria. They catalyze the dissimilatory oxidation of elemental sulfur and reduced inorganic sulfur compounds. Whereas more than 30 species have been known in this genus, most were never reliably or effectively published. The rest were either reclassified into Thiomonas, Paracoccus, Starkeya, Sulfuriferula, Halothiobacillus, Thermithiobacillus or Acidithiobacillus, were lost from culture. Most of Thiobacillus species are obligate autotrophs via elementary sulfur, thiosulfate or polythionates as energy sources. Based on 16S ribosomal RNA sequence analysis, many members of Thiobacillus have been reclassified. A system was developed for the detection of Thiobacillus bacteria by the amplification of specific 16S ribosomal RNA sequence gene (16S rDNA) fragments with PCR. Primer sequences were designed for the amplification of fragments of 16S rDNA. PMID- 29208185 TI - Association between vitamin D receptor BsmI gene polymorphism and periodontitis: a meta-analysis in a single ethnic group. AB - Although many researchers have studied on the association between vitamin D receptor (VDR) BsmI polymorphism and periodontitis, this association remains elusive. To further assess the effects of VDR BsmI polymorphism on the risk of periodontitis, a meta-analysis was performed in a single ethnic group. We searched PubMed and Chinese databases for relevant studies till April 2017. The strength of the associations were assessed used pooled odds ratios (ORs) and 95% confidence intervals (CIs). Six studies including 757 periodontitis cases and 670 controls were identified at last. In the total analyses, VDR BsmI polymorphism was not associated with the risk of periodontitis in all models. The subgroup analyses suggested a significantly reduced risk of periodontitis in South China. In conclusion, our meta-analysis showed that VDR BsmI polymorphism was associated with the decreased risk of periodontitis in Chinese individuals from South China, and further studies in other ethic groups are required for definite conclusions. PMID- 29208186 TI - Association between platelet glycoprotein Ia C807T gene polymorphism and ischemic stroke: a meta-analysis in a separate ethnic group. AB - Many studies have been examined the association of platelet glycoprotein (GP) Ia C807T polymorphism with ischemic stroke (IS) susceptibility. However, the results of these studies are inconsistent. To further assess the effects of GP Ia C807T polymorphism on the risk of IS, a meta-analysis was performed in a separate ethnic group. Relevant studies were identified using PubMed and Chinese databases through January 2017. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were used to assess the strength of the associations. Finally, 13 studies contained 2438 IS cases and 2308 controls included. In the total analyses, a significantly elevated risk of IS was associated with all variants of GP Ia C807T in the Chinese population (T vs C: OR = 1.24, 95% CI = 1.09-1.40; TT vs CC: OR = 1.59, 95% CI = 1.17-2.15; TT and CT combined vs CC: OR = 1.32, 95% CI = 1.09 1.59; TT vs CC and CT: OR = 1.35, 95% CI = 1.04-1.76). In the subgroup analyses stratified by ethnicity and geographic areas, it revealed the significant results in Chinese Han and in South China. This meta-analysis provides the evidence that GP Ia C807T polymorphism may contribute to the IS development in the Chinese population, especially in South China, and further studies in other ethic groups are required for definite conclusions. PMID- 29208187 TI - A meta-analysis study of the association between EGFR rs2252586 mutation and the risk of glioma. AB - Several studies reported the association between Epidermal growth factor receptor (EGFR) rs2252586 mutation and glioma susceptibility. However, the results of these studies were inconsistent. A computer-based search using EMBASE and PubMed databases was conducted. Odds ratios (OR) and 95% confidence interval (CI) were used to assess the strength of association between EGFR rs2252586 mutation and glioma susceptibility. The EGFR rs2252586 mutation was significantly associated with an increased risk of glioma (OR=1.16; 95%CI, 1.11-1.21; P<0.00001). When stratified by tumor subtype, the significantly elevated risk was observed in glioblastoma (OR=1.15; 95%CI, 1.04-1.26; P=0.007) but not in oligodendroglioma (OR=1.19; 95%CI, 0.97-1.46; P=0.10). When we excluded the studies with small sample size (case number < 1000), a significant association between EGFR rs2252586 mutation and glioma susceptibility remained (OR=1.16; 95%CI, 1.09-1.22; P<0.00001). In conclusion, this meta-analysis found that EGFR rs2252586 mutation was significantly associated with glioma risk. PMID- 29208188 TI - The antiosteoporosis effect of icariin in ovariectomized rats: a systematic review and meta-analysis. AB - Herba Epimedii (Yinyanghuo or Horny Goat Weed) is a traditional Chinese medicine widely used in treating osteoporosis. As the major active component, icariin is intensively investigated in the prevention and treatment of osteoporosis in ovariectomized rats. However, misleading conclusions can be generated in animal studies with various experimental designs. Therefore, a systematic review and meta-analysis was performed to evaluate the efficacy of icariin against osteoporosis in ovariectomized rats. PubMed, EMBASE and Chinese National Knowledge Infrastructure databases were searched to identify studies of icariin in ovariectomized rats. Two independent authors selected and reviewed the publications. Data were pooled using a DerSimonian and Laird random-effects model. The results demonstrated that ovariectomized rats treated with icariin had significantly higher bone mineral density (femur and lumbar spine) and lower bone turnover markers (serum alkaline phosphatase and osteocalcin) compared with the ovariectomized control group. For bone histomorphometric parameters, the percentages of trabecular area and trabecular thickness were significantly higher while the trabecular separation was significantly lower in the ovariectomized rats treated with icariin. Based on these results, the presnet study suggested that icariin might possess substantial antiosteoporosis effect in ovariectomized rats. Safety studies and large randomized clinical trials are needed to further support possible clinical applications of icariin in postmenopausal women with osteoporosis. PMID- 29208189 TI - Enlightenment and lesson from the successful treatment of acute superior mesenteric artery embolism. AB - Despite recent advances, treatment of acute superior mesenteric artery embolism (SMAE) in emergency is still very difficult. The comparative rarity, the difficulty of early diagnosis, and the extremely high mortality of SMAE give us the sufficient reasons to report our successful experience in curing a patient with acute SMAE. In the present case, the patient was diagnosed early without evidence of intestinal necrosis. The diagnosis of SMAE was verified by computed tomography angiography (CTA). A comprehensive treatment was immediately employed including a combination of intra-arterial thrombolysis and embolectomy operation with emergent laparotomy. We summarize that the successful treatment of superior mesenteric artery embolism depends on early diagnosis and timely reestablishment of arterial flow under the support of general treatments such as prevention of sepsis and control of organic insufficiencies. Through a combined treatment, patient's life could be saved without complications. PMID- 29208191 TI - [Throat pain after colonoscopy]. AB - A 38-year-old man known with inflammatory bowel disease, received an ileostomy and a blinded colon. Eight years later the patient underwent a painful colonoscopy, performed under suspicion of malignancy in the blinded colon. Two days later the patient was admitted due to hoarseness, throat pain and a feeling of neck swelling but no abdominal pain. A chest X-ray showed subcutaneous emphysema in the neck region and pneumoperitoneum. We conclude, that colonoscopies can give a variety of complications, such as perforation in the colon with secondary subcutaneous emphysema in the neck and throat region. PMID- 29208192 TI - [A 12-kg benign ovarian tumour in a teenage girl]. AB - This is case report of a 14-year-old girl with severe abdominal swelling over a period of 12 months. The patient was admitted to the local children's hospital, and an ultrasound scan was performed. The scan showed a tumour in the right ovary. Further investigation with MRI confirmed the tumour as cystic, and resection and pathological examination revealed a 12-kg benign cystadenoma of the right ovary. PMID- 29208193 TI - [Epidermolysis bullosa]. AB - Epidermolysis bullosa (EB) is a rare genodermatosis. A new classification system is presented, distinguishing the subtypes of EB, and this system is based on the phenotype, mode of inheritance, ultrastructure, immunofluorescence findings, and specific mutation(s) present. EB is inherited in an autosomal dominant or recessive fashion. Clinical manifestations vary in severity and character according to subtype. The severity ranges from mild localized to life threatening. Available treatment is mainly symptomatic with therapeutic treatment in an experimental stage. PMID- 29208190 TI - Preventing blood-borne virus infection in people who inject drugs in the UK: systematic review, stakeholder interviews, psychosocial intervention development and feasibility randomised controlled trial. AB - BACKGROUND: Opioid substitution therapy and needle exchanges have reduced blood borne viruses (BBVs) among people who inject drugs (PWID). Some PWID continue to share injecting equipment. OBJECTIVES: To develop an evidence-based psychosocial intervention to reduce BBV risk behaviours and increase transmission knowledge among PWID, and conduct a feasibility trial among PWID comparing the intervention with a control. DESIGN: A pragmatic, two-armed randomised controlled, open feasibility trial. Service users were Steering Group members and co-developed the intervention. Peer educators co-delivered the intervention in London. SETTING: NHS or third-sector drug treatment or needle exchanges in Glasgow, London, Wrexham and York, recruiting January and February 2016. PARTICIPANTS: Current PWID, aged >= 18 years. INTERVENTIONS: A remote, web-based computer randomisation system allocated participants to a three-session, manualised, psychosocial, gender-specific group intervention delivered by trained facilitators and BBV transmission information booklet plus treatment as usual (TAU) (intervention), or information booklet plus TAU (control). MAIN OUTCOME MEASURES: Recruitment, retention and follow-up rates measured feasibility. Feedback questionnaires, focus groups with participants who attended at least one intervention session and facilitators assessed the intervention's acceptability. RESULTS: A systematic review of what works to reduce BBV risk behaviours among PWID; in-depth interviews with PWID; and stakeholder and expert consultation informed the intervention. Sessions covered improving injecting technique and good vein care; planning for risky situations; and understanding BBV transmission. Fifty-six per cent (99/176) of eligible PWID were randomised: 52 to the intervention group and 47 to the control group. Only 24% (8/34) of male and 11% (2/18) of female participants attended all three intervention sessions. Overall, 50% (17/34) of men and 33% (6/18) of women randomised to the intervention group and 47% (14/30) of men and 53% (9/17) of women randomised to the control group were followed up 1 month post intervention. Variations were reported by location. The intervention was acceptable to both participants and facilitators. At 1 month post intervention, no increase in injecting in 'risky' sites (e.g. groin, neck) was reported by participants who attended at least one session. PWID who attended at least one session showed a trend towards greater reduction in injecting risk behaviours, a greater increase in withdrawal planning and were more confident about finding a vein. A mean cost of L58.17 per participant was calculated for those attending one session, L148.54 for those attending two sessions and L270.67 for those attending all three sessions, compared with L0.86 in the control group. Treatment costs across the centres vary as a result of the different levels of attendance, as total session costs are divided by attendees to obtain a cost per attendee. The economic analysis suggests that a cost-effectiveness study would be feasible given the response rates and completeness of data. However, we have identified aspects where the service use questionnaire could be abbreviated given the low numbers reported in several care domains. No adverse events were reported. CONCLUSIONS: As only 19% of participants attended all three intervention sessions and 47% were followed up 1 month post intervention, a future definitive randomised controlled trial of the intervention is not feasible. Exposure to information on improving injecting techniques did not encourage riskier injecting practices or injecting frequency, and benefits were reported among attendees. The intervention has the potential to positively influence BBV prevention. Harm reduction services should ensure that the intervention content is routinely delivered to PWID to improve vein care and prevent BBVs. FUTURE WORK: The intervention did not meet the complex needs of some PWID, more tailoring may be needed to reach PWID who are more frequent injectors, who are homeless and female. LIMITATIONS: Intervention delivery proved more feasible in London than other locations. Non-attendance at the York trial site substantially influenced the results. TRIAL REGISTRATION: Current Controlled Trials ISRCTN66453696 and PROSPERO 014:CRD42014012969. FUNDING: This project was funded by the National Institute for Health Research Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 21, No. 72. See the NIHR Journals Library website for further project information. PMID- 29208194 TI - [Gut microbiota and depressive symptoms]. AB - The gut microbiota is believed to affect a wide variety of mental disorders, including depression. The hypothesis involves bacterial signalling to the host through metabolic, endocrinal, immunologic and neuronal pathways. Few studies of patients with depression have shown altered microbiota profiles and increased levels of systemic endotoxin, which can be detected by leucocytes and result in expression of cytokines. Studies performed so far have lacked statistical power and provide no causal explanation for the gut-brain hypothesis. Further research into the matter is certainly warranted. PMID- 29208195 TI - [Treatment principles in bone reconstruction and limb lengthening of the lower extremity]. AB - Limb length discrepancies, axis deviations and bone loss on a congenital, traumatic or infectious basis are treated with restoration of axis and bone elongation. The intention is to improve gait and function, to relieve pain caused by imbalance in the musculoskeletal system and to prevent degenerative joint disease. Modern motorized intramedullary nails spare the patients for external fixators, and thus complications are being reduced. X-ray, CT-based planning and a thorough clinical examination is essential for a good result. Complications are frequent, and treatment can be lengthy. Modern techniques have made treatment more gentle and allow a normal daily life during treatment and rehabilitation. PMID- 29208196 TI - ? PMID- 29208197 TI - [Treatment of rolandic epilepsy]. AB - Recent literature indicates, that rolandic epilepsy/epilepsy of childhood with centrotemporal spikes may not be as benign as previously assumed. This study investigates the existing evidence, which describes the treatment effects on seizure frequency as well as improvement of cognition in children with rolandic epilepsy. We conclude, that treatment with anti-epileptic drugs could be justified, if treatment reduces seizures, prevents the evolution to atypical forms, or diminishes the negative cognitive consequences associated with the disease. Levetiracetam and sulthiame are the recommended treatments according to the existing evidence, which is still insufficient. A larger randomized controlled trial is warranted. PMID- 29208198 TI - [Idiopathic oedema]. AB - Idiopathic oedema is a non-inflammatory interstitial oedema seen in fertile women. A hallmark is a daily increase in weight > 1.4 kg from morning until evening due to fluid retention, which shows as facial puffiness in the morning and more often abdominal increase and swollen lower extremities during the day. Patients may be disabled due to accompanying symptoms like headache, dizziness, fatigue, anxiety, and depression. The diagnosis is based on clinical features and exclusion of other causes of oedema. Non-pharmacological interventions and pharmacological therapies are reviewed. PMID- 29208199 TI - [Amputation of an arm due to infection with Vibrio vulnificus after beach holiday]. AB - Infection with Vibrio vulnificus is a rare condition with approximately 11 cases reported in the Danish literature. It is characterized by soft tissue infection/wound, necrotizing fasciitis and septicaemia. In this case report we present a patient admitted with a rapid progression and sepsis consistent with V. vulnificus infection but with no informa-tion of water exposure. The initial treatment was surgery and sepsis management including broad-spectrum antibiotics. On day eight the patient's right arm was amputated. On day 16 the patient was discharged from the intensive care unit, and on day 32 the patient was transferred to a local hospital. PMID- 29208200 TI - [Primary septic arthritis is a rare, atypical manifestation of invasive meningococcal disease]. AB - We present a case report of a 50-year-old man diagnosed with a primary septic arthritis with invasive Neisseria meningitidis serogroup W (MenW) clonal complex 11 identified with culture in blood and synovial fluid. The patient recovered from rapidly instituted relevant antibiotics and synovectomy, but there may be a risk of fatal delayed diagnosis and treatment by an atypical manifestation of invasive meningococcal disease. Invasive MenW disease has been increasing in recent years and has been described with atypical presentations. PMID- 29208201 TI - [Osteochondritis dissecans]. AB - Osteochondritis dissecans (OCD) has been known for more than 100 years. Several reasons have been suggested as the major cause for developing OCD: trauma/microtrauma, ischaemic or genetic reasons. OCD is primarily located in the knee. In adolescent patients with knee symptoms, X-ray of the affected knee and often a subsequent MRI scan is indicated. Depending on the findings, an arthroscopy can be performed. Conservative treatment can be quiet regime or bracing. Operative treatment can be transchondral/retrograde drilling for the in situ lesion or fixation of the unstable lesion. PMID- 29208202 TI - [Deformities of the finger joints]. AB - Extension of the fingers is a complex act. Boutonniere deformity is defined by flexion at the proximal inter-phalangeal (PIP) joint and hyperextension at the distal interphalangeal (DIP) joint due to disruption of the central slip of the extensor tendon. Swan neck deformity is defined by hyperextension at the PIP joint and flexion at the DIP joint, and the pathology is divided into intrinsic, extrinsic, and articular. The deformities are a result of imbalance of the tendons and ligaments in the fingers. Treatment is depending on the underlying cause and includes surgery and non-operative treatment. Functional gain and risk must be realistically assessed. PMID- 29208203 TI - Effects of adding Rheum officinale to angiotensin-converting enzyme inhibitors or angiotensin receptor blockers on renal function in patients with chronic renal failure: A meta-analysis of randomized controlled trials?. AB - OBJECTIVE: Rheum officinale is a traditional medicinal herb used widely in China to treat chronic renal failure, but the proof of evidence-based medicine is poor. This meta-analysis aims to assess the benefits of angiotensin converting enzyme inhibitors (ACEIs) or angiotensin receptor blockers (ARBs) supplemented with Rheum officinale for delaying the progression of chronic renal failure. MATERIALS AND METHODS: The MEDLINE, EMBASE, Cochrane Library, SinoMed, Chinese National Knowledge Infrastructure, Wanfang, and VIP databases were searched to identify studies published before September 2016 that investigated the effects of ACEI/ARB plus the Chinese patented medicine Rheum (CPM-Rheum) compared to ACEI/ARB alone in lowering serum creatinine (SCr) and blood urea nitrogen (BUN) levels in chronic renal failure patients. Review Manager 5.3 was used to perform the meta-analysis. Fixed- and random-effects models were used to analyze the data. RESULTS: The meta-analysis included nine clinical trials. Comparisons of patients before and after treatment with ACEI/ARB plus CPM-Rheum or ACEI/ARB alone revealed that ACEI/ARB plus CPM-Rheum resulted in significantly greater reductions in SCr (short-term: weighted mean difference (WMD): 17.26, 95% confidence interval (CI): 7.28 - 27.24; long-term: WMD: 63.71, 95% CI: 51.01 - 76.41) and BUN (short-term: WMD: 1.70, 95% CI: 1.27 - 2.12; long term: WMD: 3.98, 95% CI: 3.14 - 4.82) than ACEI/ARB alone. CONCLUSION: In patients with chronic renal failure, the addition of CPM-Rheum to ACEI/ARB significantly lowered both SCr and BUN, particularly after long-term administration. Thus, the combination of ACEI/ARB and CPM-Rheum may improve the treatment of patients with impaired renal function.?. PMID- 29208204 TI - Durable renal response after combination of bortezomib, corticosteroids, rituximab, and plasmapheresis for late antibody-mediated renal transplant rejection?. AB - : Late occurrence of antibody-mediated rejection (AMR), defined as occurring 6 months after transplantation, is associated with poor renal allograft survival, compared to early acute AMR and acute cellular rejection. The proteasome inhibitor bortezomib has multiple immunomodulatory effects on plasma cells, the source of donor-specific HLA antibodies which mediate AMR. MATERIALS AND METHODS: Consecutive patients who presented with biopsy-proven AMR and donor-specific anti HLA antibodies (DSA) at a single institution between July 2011 and February 2015 were included. They received rituximab 375 mg/m2 on day 1, bortezomib 1.3 mg/m2 and methylprednisolone on days 1, 4, 8, 11, and plasmapheresis on days -1, 4, 8, 11, 14, 15, 17, with herpes zoster prophylaxis. The primary outcome was graft survival independent of dialysis. Patients were prospectively assessed with serial monitoring of renal function and proteinuria, and neuropathy symptoms. Toxicity determination was made by medical record review for hospitalizations within 3 months of therapy, or documentation of opportunistic infection. RESULTS: Eleven patients were treated for late AMR (diagnosed at a median of 38 months post renal transplant) with this bortezomib based protocol; 2 patients underwent the regimen twice. Of the 11 patients, 9 have functioning allografts (82% graft survival) with a median creatinine of 2.1 mg/dL (range 1.1 - 3.4 mg/dL), at a median follow-up of 50 months after AMR therapy (range 24 - 63 months). One patient was re-transplanted at 4 years post AMR treatment with no AMR recurrence to date at 2-years' follow-up, and a second patient re-initiated dialysis at 2 years post AMR treatment. Patient survival is 91% (10/11): 1 patient relocated out of state and was reported to have died from complications of hypertensive encephalopathy. The majority of patients (7/11) had several class I and class II DSA specificities; of these, 4 patients had negative class I DSA but persistent class II DSAs at 2 - 3 months post therapy. Only 1 patient who was positive for class II DSAs alone (DR53 and DQ2) converted to negative DSA, although DSA testing was delayed to 2 years' follow-up. Two patients were hospitalized within 1 month of the protocol, 1 for ileus and 1 for urinary tract infection and ruptured ovarian cyst. One other patient had herpes zoster. CONCLUSION: Renal allograft survival was 82% at 4 years after bortezomib based therapy for late onset AMR; toxicity profile of this regimen was acceptable. Eradication of DSAs may not be necessary for meaningful and durable renal response.?. PMID- 29208205 TI - Dense deposit disease associated with multiple myeloma?. AB - Dense deposit disease (DDD) is a very rare pathological finding associated with activation of the final complement pathway. DDD has been rarely found in association with multiple myeloma (MM). Here we report a patient with MM presenting with renal failure, anemia, and bone pain. The renal biopsy showed DDD. The patient received anti-myeloma treatment and responded well. The case is discussed and literature reviewed.?. PMID- 29208206 TI - Prospective study of NSAIDs prescribing in Saudi Arabia: Cardiovascular and gastrointestinal risk in patients with diabetes mellitus?. AB - OBJECTIVES: The purpose of this study was to investigate the patterns of nonsteroidal anti-inflammatory drug (NSAID) prescriptions in diabetes mellitus (DM) patients and to evaluate their suitability based on patient gastrointestinal/cardiovascular (GI/CV) risk profiles. MATERIALS AND METHODS: We retrospectively identified patients with DM, who were seen at a primary care facility from March 1 to 31, 2016. GI risk factors, CV histories, and current medications were recorded. Data were evaluated for appropriateness of NSAID prescribing by using current understanding and accepted guidelines. RESULTS: A total of 443 evaluable patients were reviewed. NSAIDs were prescribed in 171 patients (38.5%). Ibuprofen (23.5%) was the most frequently prescribed drug, followed by celecoxib (20%) and naproxen (14.1%). Of 171 patients, 76 (44.4%) had a previous history of CV events, while 52 patients without CV history had a moderate to very high 10-year risk of heart disease. Markedly fewer patients with CV history (19.1%) than patients without CV history were prescribed naproxen. Patients at high GI risk (22.9%) were prescribed traditional NSAIDs without a gastroprotective agent. Overall, 22.9% of patients at high GI risk and 65.8% at high CV risk were prescribed NSAIDs that were not in accordance with current guidelines or recommendations of regulatory agencies. CONCLUSION: Inappropriate prescribing of NSAIDs was found in more than half of the studied DM patients who were at risk for significant GI and CV adverse events. Assessment of GI and CV risks in DM patients is crucial to tailor NSAID selection and optimize patient outcomes.?. PMID- 29208207 TI - Corrigendum to "Chlorin E6 phototoxicity in L. major and L. braziliensis promastigotes-In vitro study" [Photodiagn. Photodyn. Ther. 15 (September) (2016) 19-24]. PMID- 29208208 TI - Corrigendum to "Photoinactivation of single and mixed biofilms of Candida albicans and non-albicans Candida species using Photodithazine(r)"[Photodiagn. Photodyn. Ther. 17C (2017) 194-199]. PMID- 29208209 TI - Imepitoin withdrawal in dogs with idiopathic epilepsy well-controlled with imepitoin and phenobarbital and/or potassium bromide does not increase seizure frequency. AB - Phenobarbital or potassium bromide (KBr) add-on treatment decreases the average monthly seizure frequency in dogs with idiopathic epilepsy resistant to a maximum dose of imepitoin. The importance of continued administration of imepitoin in these dogs is currently unknown. The goal of this study was to assess whether imepitoin withdrawal would destabilize epileptic seizure control. In this prospective clinical trial epileptic seizure control was evaluated by comparing the monthly seizure frequency of 13 dogs with well-controlled idiopathic epilepsy receiving a combination of imepitoin and phenobarbital (n=4), imepitoin and KBr (n=7), and imepitoin, phenobarbital and KBr (n=2) during a period of 3-6 months (pre-withdrawal period), with a follow-up period of 9-12 months after withdrawal of imepitoin (post-withdrawal period). Adverse effects were also recorded before and after withdrawal of imepitoin. Imepitoin was tapered off over 3 months as follows: 20mg/kg twice daily for 1 month, then 10mg/kg twice daily for 1 month, then once daily for 1 month. Withdrawal of imepitoin did not increase monthly seizure frequency (P=0.9). Moreover, all owners reported improvement in the adverse effects experienced by their dog after withdrawal of imepitoin. Imepitoin withdrawal in epileptic dogs that were well-controlled with imepitoin and phenobarbital and/or KBr did not worsen epileptic seizure control, and possibly decreased antiepileptic treatment-related adverse effects. However, a worsening of seizure frequency could occur in individual cases. PMID- 29208210 TI - Evaluation of the delta neutrophil index from an automated blood cell analyser in septic dogs. AB - Immature granulocytes (IG) are a marker of severe inflammatory states in human beings and animals, and have been linked to a diagnosis of sepsis and poor prognosis. The delta neutrophil index (DNI), automatically calculated by a haematological analyser, provides an estimate of circulating IG. In particular, an increased DNI value has been associated with the severity of sepsis, and mortality, in critically ill human beings. The aims of this study were to determine the DNI reference interval (RI) in healthy dogs, and to evaluate its diagnostic and prognostic significance in dogs with sepsis. A total of 118 dogs with sepsis undergoing a complete blood cell count (CBC) at the time of hospital admission were included retrospectively. Dogs with sepsis were compared to 20 dogs with primary immune-mediated haemolytic anaemia (IMHA) and 99 healthy controls. The DNI RI was set from 0 to 9.2%. The DNI was significantly higher in dogs with sepsis compared to dogs with IMHA and healthy dogs (P<0.001), and significantly higher in dogs with septic shock compared to septic dogs without circulatory failure (P<0.03). No differences were detected between survivors (78/118) and non-survivors (40/118). Septic dogs with a DNI above the RI had significantly higher frequencies of IG and toxic neutrophil changes on manual blood smear evaluation (P=0.03 and P<0.001, respectively). The DNI had a fair performance in identifying dogs with sepsis in this population and predicted septic shock. Larger prospective studies are needed to validate DNI measurement in dogs and to test its clinical utility. PMID- 29208211 TI - Plasma firocoxib concentrations after intra-articular injection of autologous conditioned serum prepared from firocoxib positive horses. AB - Orthobiologics such as autologous conditioned serum (ACS) are often used to treat joint disease in horses. Because ACS is generated from the horse's own blood, any medication administered at the time of preparation would likely be present in stored ACS, which could lead to an inadvertent positive drug test following intra articular (IA) injection. The main objective of this study was to determine if ACS prepared from firocoxib positive horses could result in detectable plasma concentrations of the drug following IA injection. Firocoxib was administered to six horses at 0.1mg/kg PO twice at a 24h interval. Blood was obtained at 4h following the second dose and transferred to a separate syringe (Arthrex IRAP II) for ACS preparation. Plasma and ACS concentrations of firocoxib were analysed by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS). When horses were confirmed firocoxib negative, 7.5mL of ACS was injected into both tarsocrural joints. Blood samples were collected at 0, 4, 8, 12, 24, and 48h, and firocoxib concentration was measured. Mean (+/-standard error of the mean, SEM) plasma concentration of firocoxib 4h following the second dose was 33.3+/ 4.72ng/mL. Mean (+/-SEM) firocoxib concentration in ACS was 35.4+/-4.47ng/mL. Fourteen days following the second and last dose of firocoxib, mean plasma concentration was below the lower limit of detection (LOD=1ng/mL) in all horses. Following IA injection of ACS, plasma concentrations of firocoxib remained below LOD at all times in all horses. ACS generated from horses with therapeutic plasma concentrations of firocoxib did not contain sufficient firocoxib to lead to a positive plasma drug test following IA administration. PMID- 29208212 TI - Incidence and risk factors for hypoadrenocorticism in dogs treated with trilostane. AB - The aim of this study was to describe the incidence and permanence of hypoadrenocorticism associated with trilostane treatment and to assess potential risk factors for hypoadrenocorticism. A retrospective cohort study was conducted using case records for 156 dogs treated with trilostane after a diagnosis of hyperadrenocorticism. Occurrences of hypoadrenocorticism were categorised as either transient or permanent. After initiation of treatment with trilostane, the estimated cumulative incidence of hypoadrenocorticism was 15% by 2 years and 26% by 4.3 years, respectively. Occurrences of hypoadrenocorticism were transient in 14/19 (74%) affected study dogs. The risk of hypoadrenocorticism was not significantly associated with trilostane dose rate and other potential risk factors assessed were not significantly associated with subhazard of hypoadrenocorticism, but effect estimates for most were imprecise. In conclusion, approximately 15% of dogs being treated with trilostane developed hypoadrenocorticism within the first 2 years of treatment and about one quarter became affected by 4 years. However, first occurrences of hypoadrenocorticism were mostly transient. Over the range of dose rates studied, each 1mg/kg/day increase in trilostane dose rate resulted in, at most, only a small increase in the risk of developing hypoadrenocorticism. PMID- 29208213 TI - Evaluation of ex vivo restoration of carious equine maxillary cheek teeth infundibulae following debridement with dental drills and Hedstrom files. AB - An ex-vivo study was performed on vertically mounted equine maxillary cheek teeth that had caries of 30 infundibulae, using high and low speed contra-angle dental drills and Hedstrom files to debride infundibular food debris and carious dental tissues. This technique effectively debrided 27/30 infundibulae with a mean depth of 19mm (range 9.4-34.3mm) as assessed by computed tomographic (CT) imaging. The debrided infundibulae were treated with sodium hypochlorite, EDTA and a bonding agent, and then then filled in layers with endodontic restoration materials. Further CT imaging and direct examination of sectioned restored teeth showed 6/30 infundibulae, including three that were incompletely debrided, to have defects between the restoration and the infundibular wall/apex. Twenty-one of the remaining 24 infundibulae contained air bubbles, largely within restorations. It is concluded that the use of drills and Hedstrom files is effective in debriding carious infundibulae but improved techniques and materials are required to more effectively fill infundibulae with restorative material. PMID- 29208214 TI - Proof of concept of a new autologous skin substitute for the treatment of deep wounds in dogs. AB - Autologous skin grafts are effective for the repair of large skin wounds, but the availability of large amounts of skin is often limited. Through bioengineering, several autologous skin substitutes have been developed for use in human clinical practice. However, few skin substitutes are available for use in animals. The aim of this study was to develop and assess an engineered autologous skin substitute for the treatment of deep wounds in veterinary medicine. Canine keratinocytes and fibroblasts were isolated after double enzyme digestion from 8mm punch biopsies from four healthy Beagle dogs. Skin substitutes were constructed on a fibrin based matrix and grafting capacity was assessed by xenografting in six athymic mice. Bioengineered autologous skin was assessed clinically in two dogs with large deep skin wounds. The canine skin construct was ready for use within 12 14days after the initial biopsy specimens were obtained. Grafting capacity in this model was confirmed by successful grafting of the construct in athymic mice. In both dogs, grafts were established and permanent epithelialisation occurred. Histological studies confirmed successful grafting. This full thickness skin substitute developed for the management of large skin defects in dogs appears to be a safe and useful tool for clinical veterinary practice. Further studies are needed to validate its efficacy for the treatment of deep wounds. PMID- 29208215 TI - Plasma potassium concentrations in neonatal diarrhoeic calves are correlated with serum aldosterone concentrations but not with insulin concentrations. AB - Hyperkalaemia is a clinically relevant electrolyte imbalance in neonatal diarrhoeic calves which was previously associated with severe dehydration and acidaemia. The present study assessed the association of plasma potassium (cK) with serum aldosterone and insulin concentrations, since these hormones are involved in the regulation of potassium homeostasis. Serum aldosterone (rs=0.62), but not insulin concentrations (rs=0.22) were closely correlated to cK in 123 hospitalised neonatal diarrhoeic calves. Median values for serum aldosterone concentrations in 38 hyperkalaemic calves (cK>5.8mmol/L) were 3.2 and 15.3 times higher (P<0.001) than in 85 non-hyperkalaemic diarrhoeic calves and nine healthy control calves, respectively. Aldosterone, but not insulin secretion, appears to be highly stimulated in dehydrated diarrhoeic calves with hyperkalaemia, but hypovolaemia and a concomitant decrease in renal perfusion and urinary flow rate are likely to limit the efficacy of aldosterone-induced control mechanisms in these animals. PMID- 29208216 TI - Clinical veterinary proteomics: Techniques and approaches to decipher the animal plasma proteome. AB - Over the last two decades, technological advancements in the field of proteomics have advanced our understanding of the complex biological systems of living organisms. Techniques based on mass spectrometry (MS) have emerged as powerful tools to contextualise existing genomic information and to create quantitative protein profiles from plasma, tissues or cell lines of various species. Proteomic approaches have been used increasingly in veterinary science to investigate biological processes responsible for growth, reproduction and pathological events. However, the adoption of proteomic approaches by veterinary investigators lags behind that of researchers in the human medical field. Furthermore, in contrast to human proteomics studies, interpretation of veterinary proteomic data is difficult due to the limited protein databases available for many animal species. This review article examines the current use of advanced proteomics techniques for evaluation of animal health and welfare and covers the current status of clinical veterinary proteomics research, including successful protein identification and data interpretation studies. It includes a description of an emerging tool, sequential window acquisition of all theoretical fragment ion mass spectra (SWATH-MS), available on selected mass spectrometry instruments. This newly developed data acquisition technique combines advantages of discovery and targeted proteomics approaches, and thus has the potential to advance the veterinary proteomics field by enhancing identification and reproducibility of proteomics data. PMID- 29208217 TI - Humidity sensing in insects-from ecology to neural processing. AB - Humidity is an omnipresent climatic factor that influences the fitness, reproductive behavior and geographic distribution of animals. Insects in particular use humidity cues to navigate the environment. Although the sensory neurons of this elusive sense were first described more than fifty years ago, the transduction mechanism of humidity sensing (hygrosensation) remains unknown. Recent work has uncovered some of the key molecules involved, opening up for novel approaches to study hygrosensory transduction. In this review, I will discuss this progress made toward understanding hygrosensation in insects. PMID- 29208218 TI - Drosophila as a holistic model for insect pheromone signaling and processing. AB - In recent years, research into the chemical ecology of the vinegar fly, Drosophila melanogaster, has yielded a wealth of information on the neural substrates that detect and process pheromones and control behavior. The studies reveal at the cellular and molecular level how behavioral responses to pheromones are initiated and modulated by social, environmental, and physiological factors. By taking into account both the complexity of the chemical world and the intricacies of the animal's physiological state, the emerging holistic perspective provides insight not only into chemical communication but more generally, how organisms balance internal and external signals when making behavioral decisions. PMID- 29208219 TI - Neuronal modulation of D. melanogaster sexual behaviour. AB - Drosophila melanogaster sexual behaviour relies on well-studied genetically determined neuronal circuits. At the same time, it can be flexible and is modulated by multiple external and internal factors. This review focuses on how physiological state, behavioural context and social experience impact sexual circuits in the two sexes. We discuss how females tune receptivity and other behaviours depending on mating status and how males adjust courtship intensity based on sexual satiety, age and the conflicting drive for aggression. Neuronal mechanisms for behavioural modulation include changes in sensory and central processing. Activity of modulatory neurons can enhance, suppress or reverse the behavioural response to sensory cues. In summary, fly sexual behaviour is an excellent model to study mechanisms of neuromodulation of complex innate behaviour on the circuit level. PMID- 29208220 TI - Regulation of pheromone biosynthesis in moths. AB - Female moths release sex pheromones for attracting males from a distance. Most moths are nocturnal so there is a periodicity to the release of sex pheromone. The temporal release of sex pheromone in most moths is regulated by calling behavior and by the biosynthesis of sex pheromone. In most moths, biosynthesis occurs in the pheromone gland and is controlled by the neuropeptide PBAN (pheromone biosynthesis activating neuropeptide). PBAN is produced in the subesophageal ganglion and released into circulation where it travels to the pheromone gland to activate pheromone biosynthesis. The G-protein coupled receptor that binds PBAN has been identified as well as aspects of signal transduction to activate the biosynthetic pathway. This review will highlight recent advances in the study of regulation of pheromone biosynthesis in moths. PMID- 29208221 TI - Evolutionary origin of insect pheromones. AB - Communication via chemical signals, that is, pheromones, is of pivotal importance for most insects. According to current evolutionary theory, insect pheromones originated either from extant precursor compounds being selected for information transfer or by the pheromone components exploiting a pre-existing sensory bias in the receiver. Here, we review the available experimental evidence for both hypotheses. Existing data indicate that most insect pheromones evolved from precursor compounds that were emitted as metabolic by-products or that previously had other non-communicative functions. Many studies have investigated cuticular hydrocarbons that have evolved a communicative function, although examples of pheromones exist that have arisen from defensive secretions, hormones or dietary compounds. We summarize and discuss the selective pressures shaping the pheromone during signal evolution. PMID- 29208222 TI - Using virtual reality to study visual performances of honeybees. AB - Virtual reality (VR) offers an appealing experimental framework for studying visual performances of insects under highly controlled conditions. In the case of the honeybee Apis mellifera, this possibility may fill the gap between behavioural analyses in free-flight and cellular analyses in the laboratory. Using automated, computer-controlled systems, it is possible to generate virtual stimuli or even entire environments that can be modified to test hypotheses on bee visual behaviour. The bee itself can remain tethered in place, making it possible to record neural activity while the bees is performing behavioural tasks. Recent studies have examined visual navigation and attentional processes in VR on flying or walking tethered bees, but experimental paradigms for examining visual learning and memory are only just emerging. Behavioural performances of bees under current experimental conditions are often lower in VR than in natural environments, but further improvements on current experimental protocols seem possible. Here we discuss current developments and conclude that it is essential to tailor the specifications of the VR simulation to the visual processing of honeybees to improve the success of this research endeavour. PMID- 29208223 TI - Neuronal and molecular mechanisms of sleep homeostasis. AB - Sleep is necessary for survival, and prolonged waking causes a homeostatic increase in the need for recovery sleep. Homeostasis is a core component of sleep regulation and has been tightly conserved across evolution from invertebrates to man. Homeostatic sleep regulation was first identified among insects in cockroaches several decades ago, but the characterization of sleep rebound in Drosophila melanogaster opened the use of insect model species to understand homeostatic functions and regulation of sleep. This review describes circuits in two neuropil structures, the central complex and mushroom bodies, that influence sleep homeostasis and neuromodulatory systems that influence the accrual of homeostatic sleep need. PMID- 29208225 TI - Pheromone biosynthesis in bark beetles. AB - Pine bark beetles rely on aggregation pheromones to coordinate mass attacks and thus reproduce in host trees. The structural similarity between many pheromone components and those of defensive tree resin led to early suggestions that pheromone components are metabolic derivatives of ingested precursors. This model has given way to our current understanding that most pheromone components are synthesized de novo. Their synthesis involves enzymes that modify products from endogenous metabolic pathways; some of these enzymes have been identified and characterized. Pheromone production is regulated in a complex way involving multiple signals, including JH III. This brief review summarizes progress in our understanding of this highly specialized metabolic process. PMID- 29208224 TI - Unraveling the neural basis of insect navigation. AB - One of the defining features of animals is their ability to navigate their environment. Using behavioral experiments this topic has been under intense investigation for nearly a century. In insects, this work has largely focused on the remarkable homing abilities of ants and bees. More recently, the neural basis of navigation shifted into the focus of attention. Starting with revealing the neurons that process the sensory signals used for navigation, in particular polarized skylight, migratory locusts became the key species for delineating navigation-relevant regions of the insect brain. Over the last years, this work was used as a basis for research in the fruit fly Drosophila and extraordinary progress has been made in illuminating the neural underpinnings of navigational processes. With increasingly detailed understanding of navigation circuits, we can begin to ask whether there is a fundamentally shared concept underlying all navigation behavior across insects. This review highlights recent advances and puts them into the context of the behavioral work on ants and bees, as well as the circuits involved in polarized-light processing. A region of the insect brain called the central complex emerges as the common substrate for guiding navigation and its highly organized neuroarchitecture provides a framework for future investigations potentially suited to explain all insect navigation behavior at the level of identified neurons. PMID- 29208226 TI - Image statistics and their processing in insect vision. AB - Natural scenes may appear random, but are not only constrained in space and time, but also show strong spatial and temporal correlations. Spatial constraints and correlations can be described by quantifying image statistics, which include intuitive measures such as contrast, color and luminance, but also parameters that need some type of transformation of the image. In this review we will discuss some common tools used to quantify spatial and temporal parameters of naturalistic visual input, and how these tools have been used to inform us about visual processing in insects. In particular, we will review findings that would not have been possible using conventional, experimenter defined stimuli. PMID- 29208228 TI - Pheromones-based sexual selection in a rapidly changing world. AB - Insects utilise chemical cues for a range of different purposes and the complexity and degree of specificity of these signals is arguably unparalleled in the animal kingdom. Chemical signals are particularly important for insect reproduction and the selective pressures driving their evolution and maintenance have been the subject of previous reviews. However, the world in which chemical cues evolved and are maintained is changing at an unprecedented rate. How (or indeed whether) chemical signals used in sexual selection will respond is largely unknown. Here, we explore how recent increases in urbanisation and associated anthropogenic impacts may affect how chemical signals are produced and perceived. We focus on four anthropomorphic influences which have the potential to interact with pheromone-mediated sexual selection processes; climatic temperature shifts, exposure to chemical pollutants, the presence of artificial light at night and nutrient availability. Our aim is to provide a broad overview of key areas where the rapidly changing environment of the future might specifically affect pheromones utilised in sexual selection. PMID- 29208227 TI - Retinal perception and ecological significance of color vision in insects. AB - Color vision relies on the ability to discriminate different wavelengths and is often improved in insects that inhabit well-lit, spectrally rich environments. Although the Opsin proteins themselves are sensitive to specific wavelength ranges, other factors can alter and further restrict the sensitivity of photoreceptors to allow for finer color discrimination and thereby more informed decisions while interacting with the environment. The ability to discriminate colors differs between insects that exhibit different life styles, between female and male eyes of the same species, and between regions of the same eye, depending on the requirements of intraspecific communication and ecological demands. PMID- 29208229 TI - Pheromones involved in insect parental care and family life. AB - Effective parental care requires recognition and communication processes. Whereas chemical communication has been studied intensively in eusocial organisms, in which the workers (siblings) predominantly provide brood care, insect groups in which parents engage in care have been largely neglected. However, the study of communication in insect families might complement and enhance our understanding not only of the evolution of signaling process involved in social insects, but also of those involved in vertebrate families. In this review, we synthesize the existing information about the pheromones and chemical cues that regulate and affect insect parental care and family life. We will present research dealing with pre-hatching as well as post-hatching parental care and cover interactions between parents and offspring, between male and female parents, and among siblings. PMID- 29208230 TI - Learning from connectomics on the fly. AB - Parallels between invertebrates and vertebrates in nervous system development, organisation and circuits are powerful reasons to use insects to study the mechanistic basis of behaviour. The last few years have seen the generation in Drosophila melanogaster of very large light microscopy data sets, genetic driver lines and tools to report or manipulate neural activity. These resources in conjunction with computational tools are enabling large scale characterisation of neuronal types and their functional properties. These are complemented by 3D electron microscopy, providing synaptic resolution data. A whole brain connectome of the fly larva is approaching completion based on manual reconstruction of electron-microscopy data. An adult whole brain dataset is already publicly available and focussed reconstruction is under way, but its 40* greater volume would require ~500-5000 person-years of manual labour. Nevertheless rapid technical improvements in imaging and especially automated segmentation will likely deliver a complete adult connectome in the next 5 years. To enhance our understanding of the circuit basis of behaviour, light and electron microscopy outputs must be integrated with functional and physiological information into comprehensive databases. We review presently available data, tools and opportunities in Drosophila. We then consider the limits and potential of future progress and how this may impact neuroscience in rich model systems provided by larger insects and vertebrates. PMID- 29208231 TI - Editorial overview: Recent advances in insect neuroethology: from sensory processing to circuits controlling internal states. PMID- 29208232 TI - Editorial overview: Insect pheromones: making sense of a rapidly diversifying field of study. PMID- 29208233 TI - From testing to diagnostic strategies and dia-prognostic research. PMID- 29208235 TI - Modelling the effect of intervillous flow on solute transfer based on 3D imaging of the human placental microstructure. AB - INTRODUCTION: A healthy pregnancy depends on placental transfer from mother to fetus. Placental transfer takes place at the micro scale across the placental villi. Solutes from the maternal blood are taken up by placental villi and enter the fetal capillaries. This study investigated the effect of maternal blood flow on solute uptake at the micro scale. METHODS: A 3D image based modelling approach of the placental microstructures was undertaken. Solute transport in the intervillous space was modelled explicitly and solute uptake with respect to different maternal blood flow rates was estimated. Fetal capillary flow was not modelled and treated as a perfect sink. RESULTS: For a freely diffusing small solute, the flow of maternal blood through the intervillous space was found to be limiting the transfer. Ignoring the effects of maternal flow resulted in a 2.4 +/ 0.4 fold over-prediction of transfer by simple diffusion, in absence of binding. Villous morphology affected the efficiency of solute transfer due to concentration depleted zones. Interestingly, less dense microvilli had lower surface area available for uptake which was compensated by increased flow due to their higher permeability. At super-physiological pressures, maternal flow was not limiting, however the efficiency of uptake decreased. CONCLUSIONS: This study suggests that the interplay between maternal flow and villous structure affects the efficiency of placental transfer but predicted that flow rate will be the major determinant of transfer. PMID- 29208234 TI - Vitamin D attenuates sphingosine-1-phosphate (S1P)-mediated inhibition of extravillous trophoblast migration. AB - INTRODUCTION: Failure of trophoblast invasion and remodelling of maternal blood vessels leads to the pregnancy complication pre-eclampsia (PE). In other systems, the sphingolipid, sphingosine-1-phosphate (S1P), controls cell migration therefore this study determined its effect on extravillous trophoblast (EVT) function. METHODS: A transwell migration system was used to assess the behaviour of three trophoblast cell lines, Swan-71, SGHPL-4, and JEG3, and primary human trophoblasts in the presence or absence of S1P, S1P pathway inhibitors and 1,25(OH)2D3. QPCR and immunolocalisation were used to demonstrate EVT S1P receptor expression. RESULTS: EVTs express S1P receptors 1, 2 and 3. S1P inhibited EVT migration. This effect was abolished in the presence of the specific S1PR2 inhibitor, JTE-013 (p < 0.05 versus S1P alone) whereas treatment with the S1R1/3 inhibitor, FTY720, had no effect. In other cell types S1PR2 is regulated by vitamin D; here we found that treatment with 1,25(OH)2D3 for 48 or 72 h reduces S1PR2 (4-fold; <0.05), but not R1 and R3, expression. Moreover, S1P did not inhibit the migration of cells exposed to 1,25(OH)2D3 (p < 0.05). DISCUSSION: This study demonstrates that although EVT express three S1P receptor isoforms, S1P predominantly signals through S1PR2/Galpha12/13 to activate Rho and thereby acts as potent inhibitor of EVT migration. Importantly, expression of S1PR2, and therefore S1P function, can be down-regulated by vitamin D. Our data suggest that vitamin D deficiency, which is known to be associated with PE, may contribute to the impaired trophoblast migration that underlies this condition. PMID- 29208236 TI - Placental abnormalities differ between small for gestational age fetuses in dichorionic twin and singleton pregnancies. AB - OBJECTIVE: Twin fetuses grow slower during the third trimester compared with singletons. However, the extent to which the relative smallness of twins is the result of placenta-mediated factors similar to those associated with fetal growth restriction in singletons remains unclear. Our aim was to address this question by comparing placental findings between small for gestational age (SGA) twins and SGA singletons. METHODS: Retrospective cohort study of all SGA non-anomalous newborns from singleton and dichorionic twin pregnancies in a single tertiary referral center between 2002 and 2015. SGA was defined as birth weight <10th percentile for gestational age according to sex-specific national reference charts. Placental findings were compared between SGA twins and SGA singletons and were classified into lesions associated with maternal vascular malperfusion, fetal vascular malperfusion, placental hemorrhage and chronic villitis. RESULTS: A total of 532 SGA twins and 954 SGA singletons met the inclusion criteria. SGA twins had a higher mean placental weight (371 +/- 103 g vs. 319 +/- 107, p < 0.001) and a lower fetal-placental ratio (6.0 +/- 2.5 vs. 6.7 +/- 3.2, p < 0.001) compared with SGA singletons. Compared with SGA singletons, SGA twins were less likely to have any placental pathology (aOR 0.37, 95%-CI 0.29-0.46), hypercoiled cord (aOR 0.45, 95%-CI 0.33-0.61), placental weight<10th% (aOR 0.13, 95%-CI 0.08 0.20), maternal vascular malperfusion pathology (aOR 0.24, 95%-CI 0.18-0.30) and fetal vascular malperfusion pathology (aOR 0.62, 95%-CI 0.48-0.82). By contrast, SGA twins had higher odds of a marginal or velamentous cord insertion compared with SGA singletons (aOR 13.82, 95%-CI 10.44-18.30). Similar significant associations were observed in subgroups of SGA fetuses with a birth weight below the 5th and 3rd percentile for gestational age. CONCLUSIONS: Our findings illustrate that the mechanisms underlying reduced fetal growth in dichorionic twins differ from those involved in singletons, and may provide support to the hypothesis that smallness in dichorionic twins may be more benign than in singletons. PMID- 29208237 TI - Imaging the human placental microcirculation with micro-focus computed tomography: Optimisation of tissue preparation and image acquisition. AB - Micro-CT provides 3D volume imaging with spatial resolution at the micrometre scale. We investigated the optimal human placenta tissue preparation (contrast agent, perfusion pressure, perfusion location and perfusion vessel) and imaging (energy, target material, exposure time and frames) parameters. Microfil (Flow Tech, Carver, MA) produced better fill than Barium sulphate (84.1%(+/ 11.5%)vs70.4%(+/-18.02%) p = 0.01). Perfusion via umbilical artery produced better fill than via chorionic vessels (83.8%(+/-17.7%)vs78.0%(+/-21.9%), p < 0.05), or via umbilical vein (83.8%(+/-16.4%)vs69.8%(+/-20.3%), p < 0.01). Imaging at 50 keV with a molybdenum target produced the best contrast to noise ratio. We propose this method to enable quantification and comparison of the human fetoplacental vascular tree. PMID- 29208238 TI - Toll-like receptor-2 mediates local innate immune response against Trypanosoma cruzi in ex vivo infected human placental chorionic villi explants. AB - BACKGROUND: Congenital Chagas disease is caused by the protozoan parasite Trypanosoma cruzi that must cross the placental barrier during transmission. The trophoblast constitutes the first tissue in contact with the maternal-blood circulating parasite. Importantly, the congenital transmission rates are low, suggesting the presence of local placental defense mechanisms. On the other hand, the placenta is considered an immune regulatory organ since it acts as a modulator of fetal and maternal immune responses. We have previously proposed that local placental factors, such as the epithelial turnover of the trophoblast and the innate immune response initiated by Toll-like receptors (TLRs), might prevent parasite infection and congenital transmission. Here, we studied in an ex vivo infected human placental chorionic villi explant HPCVE model, the relationship between TLR-2 activation in response to T. cruzi trypomastigotes, the secreted profile of cytokines, the integrity of the placental barrier and the expression of trophoblast turnover markers. RESULTS: TLR-2 inhibition increases the parasite induced histopathological damage, prevents secretion of IL-6 and IL 10, decreases expression of PCNA (proliferation marker) and of beta-hCG (differentiation marker) while increasing caspase 3 activity (cell death marker). CONCLUSION: Our results suggest that TLR-2 is not only involved in the local secretion of cytokines but also regulates, at least partially, the trophoblast turnover. PMID- 29208239 TI - Syncytial nuclei accumulate at the villous surface in IUGR while proliferation is unchanged. AB - INTRODUCTION: Placental syncytiotrophoblast is responsible for feto-maternal nutrient exchange during pregnancy. It is assumed that in IUGR, placental dysfunction is crucially bound to compromised stability and function of syncytiotrophoblast, the latter being related to altered proliferation of villous trophoblast. Cell cycle data obtained on conventional thin sections has produced inconsistent results. In the present study we investigated cell cycle markers found in the villous trophoblast using a novel 3D histological quantification method. METHODS AND FINDINGS: We analyzed 40 placentas from IUGR pregnancies and 42 placentas from clinically normal pregnancies by immunohistochemical detection of the cell cycle marker PCNA. Nuclei immuno-positive for PCNA were quantified using 3D microscopy, and the results were compared to corresponding results obtained on conventional thin histological sections. These data did not show any evidence of altered trophoblast proliferation in IUGR, while the density of post proliferative (i.e. PCNA-negative) trophoblast nuclei was statistically significantly increased in IUGR. The latter could be revealed by 3D topological microscopy, but not by conventional histology of thin sections. DISCUSSION: The data of the present study indicate a previously unknown type of regulation of syncytial stability and function, independent of proliferation. We hypothesize that in IUGR, post-proliferative trophoblast nuclei accumulate at the villous surface of peripheral villous branches. This could possibly reflect the presence of an unknown mechanism controlling syncytial function and stability by modulation of syncytial passage time rather than by modulation of proliferative supply. PMID- 29208240 TI - Redness discordance in monochorionic twin placentas: Correlation with clinical and placental findings. AB - INTRODUCTION/OBJECTIVES: Recent studies suggest redness (color) discordance of the placental basal plate may be a marker for twin anemia-polycythemia sequence (TAPS), a recently described complication of diamniotic-monochorionic twinning characterized by marked intertwin hemoglobin (Hb) discordance in the absence of oligohydramnios-polyhydramnios. In this study, we determined the clinicoplacental and choriovascular correlates of basal plate color discordance in monochorionic twin placentas, and assessed its value as postnatal indicator of TAPS. METHODS: We performed a clinicoplacental analysis of 100 consecutive non-TTTS diamniotic monochorionic twin placentas with available photographic documentation of the basal plate. Basal plate redness was quantified by computer-assisted analysis of digital images and expressed as intertwin color difference ratio (CDR). RESULTS: The CDR ranged between 1.00 and 3.58 (median CDR: 1.14; 90th %ile: 1.98). Compared to twins with low CDR (N = 90), twins with high CDR (>=2.0; N = 10) had significantly higher hemoglobin difference (11.25 g/dL versus 2.55 g/dL) and significantly fewer and smaller artery-to-artery (AA) and artery-to-vein (AV) anastomoses. Apgar scores and birth weights were equivalent in both groups. Among the 10 twin sets with high CDR, six (60%) qualified as TAPS, as defined by intertwin Hb difference >8 g/dL and absent or very small AA and AV anastomoses. Conversely, 6 of 8 (75%) twin sets with TAPS had a CDR >= 2.0. CONCLUSION: Intertwin CDR correlates with intertwin hemoglobin difference and chorionic angioarchitecture. A CDR value >= 2.0 (the 90%ile value for CDR derived from the present cohort) has high specificity (96%), but relatively low positive predictive value (60%) as indicator of TAPS, as currently defined. PMID- 29208241 TI - Increased trophoblast inclusions in placentas from prematurely born infants: A potential marker of risk for preterm neurodevelopmental outcomes. AB - Trophoblast inclusions (TIs) are placental abnormalities of the trophoblast bilayer. Present in 2-8% of full-term placentas, they are associated with poor neurodevelopment, including autism. Although previously unstudied, examination of chorionic villi from 108 preterm births revealed a ~4 fold increase in the frequency of TIs (30.5%). Frequency of TIs was inversely related to gestational age (GA); 43% of placentas <30 weeks and 20% of placentas >=32 weeks had TIs (chi2 = 4.41, p = 0.036). This increased prevalence in preterm infants suggests that TIs may indicate adverse intrauterine processes or undetected genetic abnormalities and could identify infants at risk for poor neurodevelopment. PMID- 29208242 TI - DNA methylation of amino acid transporter genes in the human placenta. AB - INTRODUCTION: Placental transfer of amino acids via amino acid transporters is essential for fetal growth. Little is known about the epigenetic regulation of amino acid transporters in placenta. This study investigates the DNA methylation status of amino acid transporters and their expression across gestation in human placenta. METHODS: BeWo cells were treated with 5-aza-2'-deoxycytidine to inhibit methylation and assess the effects on amino acid transporter gene expression. The DNA methylation levels of amino acid transporter genes in human placenta were determined across gestation using DNA methylation array data. Placental amino acid transporter gene expression across gestation was also analysed using data from publically available Gene Expression Omnibus data sets. The expression levels of these transporters at term were established using RNA sequencing data. RESULTS: Inhibition of DNA methylation in BeWo cells demonstrated that expression of specific amino acid transporters can be inversely associated with DNA methylation. Amino acid transporters expressed in term placenta generally showed low levels of promoter DNA methylation. Transporters with little or no expression in term placenta tended to be more highly methylated at gene promoter regions. The transporter genes SLC1A2, SLC1A3, SLC1A4, SLC7A5, SLC7A11 and SLC7A10 had significant changes in enhancer DNA methylation across gestation, as well as gene expression changes across gestation. CONCLUSION: This study implicates DNA methylation in the regulation of amino acid transporter gene expression. However, in human placenta, DNA methylation of these genes remains low across gestation and does not always play an obvious role in regulating gene expression, despite clear evidence for differential expression as gestation proceeds. PMID- 29208243 TI - Resveratrol mitigates trophoblast and endothelial dysfunction partly via activation of nuclear factor erythroid 2-related factor-2. AB - INTRODUCTION: Maternal endothelial dysfunction underlying preeclampsia arises from excessive placental release of anti-angiogenic factors, such as soluble fms like tyrosine kinase-1 (sFlt1), soluble endoglin (sEng) and activin A. Resveratrol, an activator of the nuclear factor erythroid 2-related factor-2 (Nrf2) transcription factor, mediates the gene expression of antioxidant and vasoprotective factors that may counter the endothelial damage imposed by these anti-angiogenic factors. The objective of this study was to assess whether resveratrol could reduce placental oxidative stress and production of anti angiogenic factors in vitro and/or improve in vitro markers of endothelial dysfunction via Nrf2 activation. METHOD: We used in vitro term placental explants to assess the effects of resveratrol on placental oxidative stress and production of sFlt1, sEng and activin A. Using human umbilical vein endothelial cells we investigated the effects of resveratrol on markers of in vitro endothelial dysfunction, including the expression of intercellular adhesion molecule 1 (ICAM1), vascular cell adhesion molecule 1 (VCAM1), E-selectin and endothelin-1, and endothelial permeability. To confirm that resveratrol mediated its effects via Nrf2, we examined the impact of resveratrol on the same in vitro markers of endothelial and placental dysfunction following Nrf2 knockdown. RESULTS: Resveratrol significantly decreased placental oxidative stress and the production of sFlt1 and activin A. Resveratrol significantly mitigated tumor necrosis factor alpha stimulated endothelial expression of ICAM1, VCAM1, E-selectin and endothelin-1 and prevented an increase in endothelial monolayer permeability. Nrf2 knockdown abolished some of the protective effects of resveratrol on endothelial cells, but not in primary trophoblast cells. CONCLUSION: Features of placental and endothelial dysfunction characteristic of preeclampsia are improved by resveratrol in vitro, partially via the modulation of Nrf2. PMID- 29208244 TI - Role of nucleoside transporters in transplacental pharmacokinetics of nucleoside reverse transcriptase inhibitors zidovudine and emtricitabine. AB - INTRODUCTION: Zidovudine (AZT) and emtricitabine (FTC) are effective and well tolerated antiretroviral drugs, routinely used in the prevention of perinatal HIV transmission. However, precise mechanism(s) involved in their transfer from mother to fetus are not fully elucidated. Since both drugs are nucleoside analogues, we hypothesized that the mechanisms of their transplacental passage might include equilibrative nucleoside transporters, ENT1 and/or ENT2. METHODS: To address this issue, we performed in vitro accumulation assays in the BeWo placental trophoblast cell line, ex vivo uptake studies in fresh villous fragments isolated from human placenta and in situ dually perfused rat term placenta experiments. RESULTS: Applying this complex array of methods, we did not prove that ENTs play a significant role in transfer of AZT or FTC across the placenta. DISCUSSION: We conclude that the transplacental passage of AZT and FTC is independent of ENTs. Disposition of either compound into the fetal circulation should thus not be affected by ENT-mediated drug-drug interactions or placental expression of the transporters. PMID- 29208245 TI - Mammalian target of rapamycin signaling is a mechanistic link between increased endoplasmic reticulum stress and autophagy in the placentas of pregnancies complicated by growth restriction. AB - INTRODUCTION: Increased endoplasmic reticulum (ER) stress and autophagy have been noted in the placentas of pregnancies complicated by idiopathic intrauterine growth restriction (IUGR); however, the cause of these phenomena remains unclear. We surmised that oxygen-glucose deprivation (OGD) may increase ER stress and autophagy and that mammalian target of rapamycin (mTOR) signaling is involved in regulating placental ER stress and autophagy in pregnancies complicated by IUGR. METHODS: We obtained placentas from women with normal term pregnancies and pregnancies complicated by IUGR to compare ER stress, mTOR signaling, and levels of autophagy-related proteins between the two groups and used primary cytotrophoblast cells treated with or without salubrinal (an ER stress inhibitor), MHY1485 (an mTOR activator), or rapamycin (an mTOR inhibitor) to investigate the effects of OGD on ER stress, mTOR activity, and autophagy levels in vitro. RESULTS: Women with pregnancies complicated by IUGR displayed higher placental ER stress and autophagy levels but lower mTOR activity than women with normal pregnancies. Furthermore, OGD increased ER stress, regulated in development and DNA damage responses-1 (REDD1), phosphorylated tuberous sclerosis complex 2 (TSC2), and autophagy levels and decreased mTOR activity compared to the standard culture condition; however, the salubrinal treatment attenuated these changes. Moreover, the administration of MHY1485 or rapamycin to OGD treated cells decreased or increased autophagy levels, respectively. DISCUSSION: Based on our results, mTOR is a mechanistic link between OGD-induced ER stress and autophagy in cytotrophoblast cells; thus, mTOR plays an essential role in the pathogenesis of pregnancies complicated by IUGR. PMID- 29208246 TI - History of reptile placentology, part III: Giacomini's 1891 histological monograph on lizard placentation. AB - By the 1890s, placental arrangements had been documented macroscopically in lizards and fishes, but placental studies on such species lagged far behind research on mammals. In 1891, the biologist Ercole Giacomini (at the University of Siena, Italy) published the first histological analysis of a reptile placenta. Focusing on a placentotrophic lizard (Chalcides chalcides) with a morphologically complex placenta, Giacomini documented the histological and cellular bases for placental nutrient transfer and gas exchange. In conjunction with a follow-up study in 1906, he demonstrated that placental structure is correlated with function and can vary dramatically between related species. Giacomini's work was highly influential in showing that placentation in lizards had converged evolutionarily on that of mammals, while establishing reptile placentology as a highly promising area for future research. PMID- 29208247 TI - Assessing the Risk of Aortic Aneurysm in Takayasu Arteritis. PMID- 29208248 TI - Kidney Diseases Associated With Alternative Complement Pathway Dysregulation and Potential Treatment Options. AB - Atypical hemolytic uremic syndrome and C3 glomerulopathy (dense deposit disease and C3 glomerulonephritis) are characterized as inappropriate activation of the alternative complement pathway. Genetic mutations affecting the alternative complement pathway regulating proteins (complement factor H, I, membrane cofactor protein and complement factor H-related proteins) and triggers (such as infection, surgery, pregnancy and autoimmune disease flares) result in the clinical manifestation of these diseases. A decade ago, prognosis of these disease states was quite poor, with most patients developing end-stage renal disease. Furthermore, renal transplantation in these conditions was associated with poor outcomes due to graft loss to recurrent disease. Recent advances in targeted complement inhibitor therapy resulted in significant improvement in disease remission, renal recovery, health-related quality of life and allograft survival. PMID- 29208249 TI - Aortic Aneurysm in Takayasu Arteritis. AB - BACKGROUND: Aortic aneurysm (AA) is a severe complication of Takayasu arteritis (TA). This study aimed to evaluate the prevalence, clinical and imaging features, management and long-term outcomes of AA in patients with TA. MATERIALS AND METHODS: A retrospective study was performed of TA patients with AA admitted to Fuwai Hospital from 1996-2015. Baseline clinical data and follow-up data of TA patients with AA were collected and analyzed. RESULTS: Thirty-nine (4.2%) of 934 patients with TA were identified with AA that was related to vasculitis. The mean age at disease onset was 31 +/- 10 years, with a female-to-male ratio of 1.79:1. The ascending aorta was the most common site of the aneurysmal lesion (18, 33.3%), and the most frequent manifestations associated with AA were chest tightness (12, 30.8%) and shortness of breath (12, 30.8%), which were usually concomitant with aortic valve insufficiency. Involvement of multiple sites in AA was found in 8 patients (20.5%), and multiple AAs were found in 5 patients (12.8%). No significant difference was observed in clinical and imaging findings between sexes. Of 25 patients (64.1%) with a median 72-month follow-up, 1 patient suffered from heart failure owing to perivalvular leakage, and 1 patient died, possibly related to severe complications of the operation. CONCLUSIONS: The prevalence of AA is relatively low in Chinese patients with TA. AA seems to develop more frequently in male patients with TA. Management should consider location and size of AA, complexity of vessel lesions and disease status. Long term follow-up is indispensable. PMID- 29208250 TI - Elevated Serum Midkine in Patients With Acute Pancreatitis. AB - BACKGROUND: Midkine (MK) is reported to be involved in the pathogenesis of numerous pathologies, but the expression of MK in acute pancreatitis (AP) has not been well studied and documented. METHODS: In this study, the temporal changes of serum MK were assessed in 97 patients with AP by enzyme-linked immunosorbent assay. RESULTS: The concentration of serum MK increased along with the severity of AP. Serum MK level increased more significantly in patients with organ failure than in those without organ failure. A more obvious elevation of serum MK level was also observed in patients with pancreatic necrosis. CONCLUSION: Serum MK might be a useful marker in the clinical diagnosis of AP. PMID- 29208251 TI - Drug-Coated Balloon Versus Drug-Eluting Stent in Primary Percutaneous Coronary Intervention: A Feasibility Study. AB - BACKGROUND: Drug-eluting stents (DES) represent a significant evolution in the treatment of patients with acute myocardial infarction with ST elevation. However, stent-related adverse events have led to an introduction of drug-coated balloons (DCB) applied particularly to bifurcation lesions, in-stent restenosis and small vessel disease. The aim of this study was to determine whether a DCB only strategy has a similar safety profile and equal angiographic and clinical outcomes to DES implantation in primary percutaneous coronary intervention (pPCI). MATERIALS AND METHODS: Seventy-five patients with acute myocardial infarction with ST elevation were randomized into DES and DCB groups of 37 and 38 patients, respectively. The study end-points were major adverse cardiac events and late lumen loss during the 6 months following the pPCI. RESULTS: Reinfarction occurred in 5.4% of patients in the DES and 5.3% of patients in the DCB group after 1 month (risk ratio = 1.03, 95% CI [0.15-6.91], P = 0.98). After 6 months, major adverse cardiac events were reported in 5.4% of patients in the DES group and none in the DCB group (risk ratio = 5.13, 95% CI [0.25-103.42], P = 0.29). Late lumen loss in the DES group was 0.10 +/- 0.19mm and -0.09 +/- 0.09mm in the DCB group (P < 0.05). CONCLUSIONS: A DCB-only strategy is safe and feasible in the pPCI setting and showed good clinical and angiographic outcomes in a 6-month follow-up period. PMID- 29208252 TI - Sporadic Fundic Gland Polyps and Gastric Acid Suppression Level. AB - BACKGROUND: Fundic gland polyps (FGPs) are a common endoscopic finding and are known to be associated with proton pump inhibitors (PPIs) use. It is not known if their prevalence is affected by gastric acidity levels. This study aimed to assess whether there is a correlation between FGPs and gastric acidity levels as identified on 24-hour ambulatory impedance-pH studies in patients on PPI therapy. METHODS: We performed a review of 402 consecutive patients who take at least once daily PPI and underwent esophagogastroduodenoscopy with combined impedance-pH studies in the same setting (time and place) between January 2010 and December 2014. Patients were classified into 2 groups based on the presence or absence of biopsy-confirmed FGPs during endoscopy. RESULTS: Of the 402 patients, 30 (7%) had FGPs. One of these polyps was found with low-grade dysplasia. There was no significant difference of the distributions of the [H+] in the FGPs versus the nonpolyp groups (P = 0.741). There was no significant difference between the 2 groups regarding PPI dose frequency regimens (once and twice) (P = 0.074). However, we found weak ordinal association with PPI duration (P = 0.01) (Spearman = 0.1). CONCLUSIONS: FGPs are common endoscopic lesions. Incidence of dysplasia in FGPs is not only rare, but also of unknown clinical significance. Although they seem to be associated with PPIs, the mechanism remains unclear, as we found no correlation between the presence of FGPs and gastric acid control or PPI dose. Future studies would be useful to elucidate an alternate mechanism. PMID- 29208254 TI - Assessing Mobile Health Capacity and Task Shifting Strategies to Improve Hypertension Among Ghanaian Stroke Survivors. AB - BACKGROUND: There has been a tremendous surge in stroke prevalence in sub-Saharan Africa. Hypertension (HTN), the most potent, modifiable risk factor for stroke, is a particular challenge in sub-Saharan Africa. Culturally sensitive, efficacious HTN control programs that are timely and sustainable are needed, especially among stroke survivors. Mobile health (mHealth) technology and task shifting offer promising approaches to address this need. METHODS: Using a concurrent triangulation design, we collected data from stroke survivors, caregivers, community leaders, clinicians and hospital personnel to explore the barriers, facilitators and perceptions toward mHealth related to HTN management among poststroke survivors in Ghana. Exploration included perceptions of a nurse led navigational model to facilitate care delivery and willingness of stroke survivors and caregivers to use mHealth technology. RESULTS: Two hundred stroke survivors completed study surveys while focus groups (n = 4) were conducted with stroke survivors, caregivers and community leaders (n = 28). Key informant interviews were completed with clinicians and hospital personnel (n = 10). A total of 93% of survey respondents had HTN (60% uncontrolled). Findings support mHealth strategies for poststroke care delivery and HTN management and for task shifting through a nurse-led model. Of survey and focus group participants, 76% and 78.6%, respectively, have access to mobile phones and 90% express comfort in using mobile phones and conveyed assurance that task-shifting through a nurse-led model could facilitate management of HTN. Findings also identified barriers to care delivery and medication adherence across all levels of the social ecological model. CONCLUSIONS: Participants strongly supported enhanced care delivery through mobile health and were receptive toward a nurse-led navigational model. PMID- 29208253 TI - Socioeconomic, Psychosocial and Behavioral Characteristics of Patients Hospitalized With Cardiovascular Disease. AB - BACKGROUND: Recent studies have drawn attention to nonclinical factors to better understand disparities in the development, treatment and prognosis of patients with cardiovascular disease. However, there has been limited research describing the nonclinical characteristics of patients hospitalized for cardiovascular care. METHODS: Data for this study come from 520 patients admitted to the Duke Heart Center from January 1, 2015 through January 10, 2017. Electronic medical records and a standardized survey administered before discharge were used to ascertain detailed information on patients' demographic (age, sex, race, marital status and living arrangement), socioeconomic (education, employment and health insurance), psychosocial (health literacy, health self-efficacy, social support, stress and depressive symptoms) and behavioral (smoking, drinking and medication adherence) attributes. RESULTS: Study participants were of a median age of 65 years, predominantly male (61.4%), non-Hispanic white (67.1%), hospitalized for 5.11 days and comparable to all patients admitted during this period. Results from the survey showed significant heterogeneity among patients in their demographic, socioeconomic and behavioral characteristics. We also found that the patients' levels of psychosocial risks and resources were significantly associated with many of these nonclinical characteristics. Patients who were older, women, nonwhite and unmarried had generally lower levels of health literacy, self efficacy and social support, and higher levels of stress and depressive symptoms than their counterparts. CONCLUSIONS: Patients hospitalized with cardiovascular disease have diverse nonclinical profiles that have important implications for targeting interventions. A better understanding of these characteristics will enhance the personalized delivery of care and improve outcomes in vulnerable patient groups. PMID- 29208255 TI - Using Ice Cream for Diagnosis of Diabetes Mellitus and Impaired Glucose Tolerance: An Alternative to the Oral Glucose Tolerance Test. AB - BACKGROUND: Oral glucose tolerance test (OGTT) is a sensitive and reliable test for diabetes mellitus and impaired glucose tolerance (IGT). However, poor patient tolerance of glucose solutions is common. We aim to compare the diagnostic value of an ice cream test with a standard OGTT. MATERIALS AND METHODS: A total of 104 healthy adults were randomly assigned to either 75-g OGTT or ice cream, followed by a crossover to the other test. RESULTS: Most patients were females (71%). Mean age was 37 +/- 12 years, and body mass index was 24.2 +/- 3.9kg/m2. Diabetes mellitus and IGT, as diagnosed by 75-g OGTT, were 4.8% and 6.7%, respectively. The 2-hour plasma glucose levels were 110 +/- 55.5mg/dL with 75-g glucose and 97.52 +/- 40.7mg/dL with ice cream. The correlation coefficient of 2-hour plasma glucose for the 2 tests was 0.82 (95% CI: 0.75-0.87; P < 0.001). Discordant diagnostic results, based on 2-hour plasma glucose levels, were 9.61%. By using a combination of fasting plasma glucose and 2-hour plasma glucose values, the ice cream test would have missed 5.76% of those at high risk for diabetes mellitus (impaired fasting glucose and IGT) or diabetes. CONCLUSIONS: An ice cream test may serve as an alternative to a 75-g OGTT. Before applying this test in clinical practice, it needs to be validated in a larger population. PMID- 29208256 TI - Combined Cryoballoon and Radiofrequency Ablation Versus Radiofrequency Ablation Alone for Long-Standing Persistent Atrial Fibrillation. AB - BACKGROUND: To achieve sinus rhythm, ablation of long-standing persistent atrial fibrillation (LSPAF) usually requires substrate modification in addition to pulmonary vein isolation (PVI). In the present article, we aimed to compare clinical and substrate modification effects of 2 distinct PVI strategies during stepwise ablation in patients with LSPAF: (1) Combined approach: cryoballoon (CB) for PVI and radiofrequency (RF) ablation for substrate modification and (2) RF only approach: RF ablation for both PVI and substrate modification. MATERIALS AND METHODS: A total of 34 patients were divided into 2 groups: 19 in the combined group and 15 in the RF group. Left atrial (LA) complex fractionated atrial electrogram (CFAE) maps were acquired before and after PVI and compared between groups. The groups were compared for acute atrial fibrillation termination (AFT) rates and long-term arrhythmia-free survival. RESULTS: A significant reduction on total LA CFAE area was observed with PVI in both groups. In the CB group, when pulmonary veins were excluded, the reduction of LA CFAE area was the most significant on the posterior wall of left atrium and which was greater than in the RF group. Although the ratio of AFT was higher in the CB group (44% versus 33%, respectively), single-procedure arrhythmia-free survival at 1 year was comparable between groups (68% in the CB group versus 66% in the RF group). Times of total procedure, fluoroscopy and post-PVI RF were all shorter in the CB group. CONCLUSIONS: CB may cause greater substrate modification on the posterior wall and increase AFT rate during LSPAF ablation. PMID- 29208257 TI - Cross-Cultural Interprofessional Faculty Development in Japan: Results of an Integrated Workshop for Clinical Teachers. AB - BACKGROUND: Faculty development programs, studied both home and abroad, have been shown to be helpful for enhancing the scholarly and academic work of nonacademic clinicians. Interprofessional education and faculty development efforts have been less well studied. This project investigated the effect of a well-studied faculty development program applied in an interprofessional fashion across health profession educators in medicine and nursing. METHODS: A faculty cohort of nurse and physician educators at The University of Tokyo underwent training in the Stanford Faculty Development Center (SFDC) model of clinical teaching through a sequence of 7 workshops. The workshops were performed in English with all materials translated into Japanese. A validated, retrospective pretest and posttest instrument was used to measure study outcomes on global assessment of teaching abilities and specific teaching behaviors (STBs) at 1 and 12 months after intervention. Successful completion of Commitment to Change statements were also assessed at 12 months. RESULTS: In total, 19 faculty participants completed the study. All participants found the workshops valuable. For global assessment, significant improvement in self-reported teaching abilities was seen comparing the mean pretest scores of 27.26 (maximum score = 55, standard deviation [SD] = 8.61) with mean scores at both 1 month (36.81, SD = 7.48, P < 0.001) and at 1 year (34.67, SD = 7.32, P < 0.001). For STBs, significant improvement was also seen comparing the mean group pretest score of 82.11 (maximum score = 145, SD = 15.72), to the posttest mean score of 111.11 (SD = 14.48, P < 0.001) and the 1 year mean score of 103.76 (SD = 12.87, P < 0.001). In total, 27/42 Commitment to Change statements were successfully completed at 1 year. CONCLUSIONS: Faculty development for improving clinical teaching can be performed across the cultures of medicine and nursing, as well as across the cultures of the United States and Japan. PMID- 29208258 TI - Durability of Sirolimus for Lymphangioleiomyomatosis. AB - Lymphangioleiomyomatosis (LAM), a rare, multisystem disorder primarily affecting women of reproductive age, is characterized by cystic-appearing lung lesions, progressive loss of lung function, chylous effusions and renal angiomyolipomas. Sirolimus, an mammalian target of rapamycin inhibitor, has been shown to stabilize lung function, reduce symptoms and resolve chylous effusions in the short term for patients with LAM. Herein, we report a premenopausal female with LAM who experienced complete and durable resolution of her chylothoraces with significant and sustained improvement in lung function on sirolimus. PMID- 29208259 TI - The Role of a Novel Long Noncoding RNA TUC40- in Cardiomyocyte Induction and Maturation in P19 Cells. AB - BACKGROUND: In previous studies, TUC40-, a new long noncoding RNA, was found to be overexpressed in human ventricular septal defect (VSD) embryonic heart samples. In this article, we carried out experiments on the P19 cell line to elucidate the effects of TUC40- overexpression on cardiomyocyte development relevant to VSD pathogenesis. METHODS: We established the overexpression cell model by plasmid transfection, and explored the expression profile of Pbx1, the sense gene of TUC40-, and the marker genes of cardiomyocyte linage commitment (Nkx2.5 and GATA4) and maturation (cardiac troponin T). In addition, we combined cell cycle and Cell Counting Kit-8 analysis to detect cell proliferation and used flow cytometry and caspase-3 assays to test apoptosis. At last, bioinformatics analysis was performed to show the possible role of TUC40-. RESULTS: In the control group, Pbx1 elevated steadily during cardiomyocyte induction; whereas in the overexpression group, it showed significantly lower expression at day 6, 8 and 10 of induction. Cells in the overexpression group failed to induce cardiomyocytes indicated by GATA4 and cardiac troponin T. Proliferation was inhibited possibly owing to G2/M cell cycle arrest and the induced apoptosis rate was higher in the overexpression group. CONCLUSIONS: TUC40- overexpression reduced Pbx1 expression, cardiomyocyte induction and differentiation, inhibited proliferation and promoted apoptosis. Combining the results and previous studies, we propose TUC40- as a potential pathologic factor for VSD. PMID- 29208260 TI - Ghrelin Ameliorates Asthma by Inhibiting Endoplasmic Reticulum Stress. AB - BACKGROUND: This study aimed to confirm the ameliorative effect of ghrelin on asthma and investigate its mechanism. MATERIALS AND METHODS: The murine model of asthma was induced by ovalbumin (OVA) treatment and assessed by histological pathology and airway responsiveness to methacholine. The total and differential leukocytes were counted. Tumor necrosis factor alpha, interferon gamma, interleukin-5 and interleukin-13 levels in bronchoalveolar lavage fluid were quantified by commercial kits. The protein levels in pulmonary tissues were measured by Western blot analysis. RESULTS: Ghrelin ameliorated the histological pathology and airway hyperresponsiveness in the OVA-induced asthmatic mouse model. Consistently, OVA-increased total and differential leukocytes and levels of tumor necrosis factor alpha, interferon gamma, interleukin-5 and interleukin 13 in bronchoalveolar lavage fluid were significantly attenuated by ghrelin. Ghrelin prevented the increased protein levels of the endoplasmic reticulum stress markers glucose regulated protein 78 and CCAAT/enhancer binding protein homologous protein and reversed the reduced levels of p-Akt in asthmatic mice. CONCLUSIONS: Ghrelin might prevent endoplasmic reticulum stress activation by stimulating the Akt signaling pathway, which attenuated inflammation and ameliorated asthma in mice. Ghrelin might be a new target for asthma therapy. PMID- 29208261 TI - Recurrent Malignancy-Associated Atypical Neutrophilic Dermatosis With Noninfectious Shock. AB - Sweet syndrome (SS) or acute febrile neutrophilic dermatosis presents with the sudden onset of fever, leukocytosis and tender, erythematous, edematous, well demarcated papules and plaques that histopathologically demonstrate a dense neutrophilic infiltrate. A total of 20% of patients with SS have malignancy associated disease that can present with bullous or atypical skin lesions that mimic pyoderma gangrenosum, another neutrophilic dermatosis. Both entities exist on a spectrum, and in the context of underlying malignancy, these neutrophilic diseases become less clinically distinct. The literature also describes life threatening cases of neutrophilic dermatoses that mimic severe sepsis. We present a fatal case of a patient with chronic eosinophilic leukemia with recurrent episodes of malignancy-associated atypical neutrophilic dermatosis characterized by necrotic skin lesions, pulmonary infiltrates and noninfectious shock and we also summarize the clinical presentations of an additional 10 patients reported in the literature. We conducted a PubMed search of articles published up to and in 2015, focusing on the English and Spanish literature with SS cross-referenced with the following search terms: neutrophilic dermatosis, pyoderma gangrenosum, shock, multiorgan failure and systemic inflammatory response syndrome. The articles were reviewed and the patients' clinical and laboratory findings were summarized. Cases of atypical neutrophilic dermatosis presenting with noninfectious shock syndrome are likely underrecognized clinically and underreported in the literature. Patients with malignancy-associated atypical neutrophilic dermatoses associated with noninfectious shock syndrome typically have multisystem disease characterized by recurrent episodes and typically have poor prognoses. PMID- 29208262 TI - Splenic Infarction and Rupture Due to Melioidosis. PMID- 29208263 TI - Nontyphoidal Salmonella Emphysematous Osteomyelitis. PMID- 29208264 TI - Spontaneous Pneumomediastinum in Dermatomyositis. PMID- 29208265 TI - Mulberry-Shaped Gingival Overgrowth Induced by Amlodipine and Cyclosporine. PMID- 29208266 TI - Comparative study of kerateine and keratose based composite nanofibers for biomedical applications. AB - In this work, two forms of keratins, kerateine (KR) and keratose (KO), were fabricated respectively into electrospun nanofibers by combination with polyurethane (PU). The differences of the structure and material properties between KR and KO based fibers were investigated by SEM observation, ATR-FTIR, XRD, contact angle, tensile test, in vitro degradation and cytocompatibility assay. The results indicated that the KR based nanofibers exhibited a higher tensile modulus, lower fracture strain and slower degradation rate, mainly due to the reformation of disulfide crosslinking between the regenerated cysteines in KR after the reductive extraction. The KO based nanofibers demonstrated a stronger hydrophilic property and higher water uptake ability due to the cysteic acid residues resulting from the oxidative extraction. Furthermore, the combination of keratins, regardless of KR or KO, could obviously improve the cytocompatibility of PU, especially in the cell attachment stage. PMID- 29208267 TI - Custom-made PEI/exfoliated-MoS2 nanocomposite ultrafiltration membranes for separation of bovine serum albumin and humic acid. AB - Herein, we report the effect of the exfoliated molybdenum disulfide (eMoS2) nanosheets in improving the permeability and anti-fouling properties of the PEI ultra-filtration (UF) membrane using bovine serum albumin (BSA) and humic acid (HA) as model fouling agents. The PEI/eMoS2 nanocomposite membranes were prepared via phase inversion method using three different eMoS2 concentrations (0.5, 1 and 2wt%) designated as PEI-0.5, PEI-1 and PEI-2, respectively. Fourier transform infra-red spectroscopy employed to probe the surface functionalities on the membranes. Contact angle measurement, pure water flux, swelling rate and solute rejection studies confirmed the improved hydrophilicity of the PEI/eMoS2 nanocomposite membranes than the individual entities. Flux recovery ratio (FRR), reversible and irreversible fouling results evidenced the improved fouling resistance of PEI/eMoS2 modified membranes than the individual counterparts. SEM results evidenced that the nanoscale eMoS2 significantly altered the membrane morphology by causing increased porosity and larger macrovoids formation on the surface as well as in the bulk of the membrane. PEI-1 membrane showed an increased pure water flux (52.54Lm-2h-1) and water content (74.8%) whereas lesser contact angle (69.2 degrees ) and hydraulic resistance (1.85kPa/Lm-2h-1). Resistance to fouling performance of PEI-1 membrane was evident from the FRR values of 95.3 and 90.2% and rejection values of 94.5 and 92.4% for BSA and HA respectively. PEI-2 membrane agglomerates with eMoS2 and hindered the membrane permeability by blocking the macrovoids in the bulk which restricted the permeation and fouling resistance of the membrane. Amongst various nanocomposite membranes investigated, the PEI-1 membrane exhibited better hydrophilicity and fouling resistance properties due to the availability of the favorable surface and bulk characteristics. PMID- 29208268 TI - Ultrafast microwave-assisted multicomponent tandem polymerization for rapid fabrication of AIE-active fluorescent polymeric nanoparticles and their potential utilization for biological imaging. AB - The fabrication and biomedical applications of fluorescent polymeric nanoparticles (FPNs) with aggregation-induced emission (AIE) feature has attracted the most intensive research interest since the first discovery of AIE phenomenon by Tang' group. Although great attention has been devoted to preparation of AIE-active FPNs, an efficient, facile and versatile strategy is still highly desirable to advance their biomedical applications. In this work, a one-pot microwave-assisted multicomponent tandem polymerization was proposed to fabricate AIE-active FPNs based on a microwave-assisted Kabachnik-Fields (KF) reaction, which involves the conjugation of aldehyde group containing polyethylene glycol (CHO-PEG-CHO) and amino-group terminating AIE dye (H2N-PhE NH2) using diethyl phosphate as the lock. The KF reaction can occur under rather facile and mild experimental conditions (e.g. absent of catalyst and solvents, air atmosphere) with the assistance of microwave irradiation in 5min. The resultant (PEG-DP-PhE) copolymers would self-assemble into FPNs that showed high water dispersibility and enhanced fluorescence intensity. The desirable cytocompatibility and cell uptake efficiency of PEG-DP-PhE FPNs endow their great potential for biomedical applications. Considering the convenience and effectiveness, the method should be promising for fabrication of many AIE-active functional materials with great application potential. PMID- 29208269 TI - High encapsulation and localized delivery of curcumin from an injectable hydrogel. AB - Most chemotherapy currently available for cancer treatment has limited potential to successful clinical cancer therapy, mainly due to low encapsulating capacity of drugs and unavailable pharmacologically beneficial concentrations at the tumor site. Herein, a novel yet simple strategy is developed to enhance drug encapsulating capacity and localized drug concentration using an injectable hydrogel based on thiolated chitosan (TCS) and poly(ethylene glycol) diacrylate (PEGDA). Almost 100% of encapsulating capacity is achieved when anti-cancer drug curcumin is encapsulated in the system. The interaction of curcumin with PEGDA is determined by fluorescence spectroscopy and the binding constant is calculated, followed by a simulation by a docking study using AutoDock. To improve the anti tumor activity and achieve effective local concentrations, lysozyme is introduced into the system. Sustained curcumin release in a controlled lysozyme-responsive behaviour is observed, which enables the drug concentration to reach the therapeutic threshold promptly. The system displays efficient intracellular curcumin release to promote cancer cells apoptosis in vitro. In addition, the system effectively delays the tumor growth and reduces adverse effects in tumor bearing nude mice. The strategy of localized, high encapsulation of drug by using an injectable hydrogel would be particularly beneficial with many insoluble anti cancer drugs. PMID- 29208270 TI - Nano-fibrous and ladder-like multi-channel nerve conduits: Degradation and modification by gelatin. AB - We recently fabricated multi-channel PLLA nerve conduits (NCs, conduits diameter: ~3mm, channels diameter: ~200MUm) with nano-fibrous microstructure (NNCs) and ladder-like microstructure (LNCs), and found the nanofibers in the NNCs promote differentiation of nerve stem cells (NSCs) into neurons. In the present study, we evaluated the degradation profile of NNCs and LNCs, and observed that NNCs degraded too fast to implant. To delay the degradation and retain the nano-scale effect of NNCs, we used gelatin to wrap (2% w/v gelatin) or embed (8% w/v gelatin) NNCs and LNCs via vacuum infusion and chemical cross-linking with genipin. NNCs-wrapped maintained their original nano-fibrous microstructure, but NNCs-embedded presented a porous morphology without nanofibers appearing. Incorporation of gelatin did not change their compressive moduli, but increased the creep recovery ratios of LNCs and NNCs. In vitro degradation revealed that integrity was maintained and the mass loss was <5% for NNCs-wrapped after 10weeks, in comparison with 15% mass loss and collapsed structure of the pure NNCs after 4weeks. Meanwhile, there were no obvious changes in the degradation of LNCs with modification. Nerve stem cells (NSCs) were then seeded onto the six NCs represented as: NNCs, NNCs-wrapped, NNCs-embedded, LNCs, LNCs-wrapped, and LNCs embedded. Immunocytochemistry analysis demonstrated that gelatin coating enhanced the adhesion and proliferation of NSCs, and the NNCs-wrapped scaffold promoted the differentiation proportion of NSCs into neurons from 25.8% (on pure NNCs) to 53.4% after 14days of seeding. On the other hand, only 14.3% of neurons were derived from the differentiation of the seeded NSCs on the NNCs-embedded. NNCs wrapped would be a good choice for future studies in nerve injury repair in vivo due to its appropriate degradation rate, flexibility, and nano-scale effect. PMID- 29208271 TI - Dissolvable layered microneedles with core-shell structures for transdermal drug delivery. AB - Microneedle (MN) systems for painless transdermal drug delivery have been developed in the past few years to overcome the issues of hypodermic injections. This study introduces a novel dissolvable layered microneedle (LMN) with core shell structure for efficient transdermal drug delivery. Fabricated by three-step casting method, the LMNs encapsulated the drug into the HA layer as a "shell", which is supported by PVA layer as core and base. When the LMNs are inserted into the skin, the drug would be released immediately once the HA layer were separated or dissolved. What's more, little drug would be wasted on the residual base after insertion. It is demonstrated that the mechanical property of LMNs is kept well with 100% insertion percentage at 60% relative humidity. Moreover, in the transdermal delivery in vivo test, almost 90% of drug in LMNs could be successful delivered into the skin with 10s, while the homogeneous HA MNs with wide drug distribution need more than 120s to reach the same efficiency. Owing to the advantages of stable mechanical property and rapid efficient drug delivery, the LMNs are more reliable and satisfied for the self-administration in the future. PMID- 29208272 TI - Biosynthesis of cerium oxide nanoparticles and their effect on lipopolysaccharide (LPS) induced sepsis mortality and associated hepatic dysfunction in male Sprague Dawley rats. AB - The fetal/life challenging Sepsis is an urgent medical disaster which have developed "blood poisoning". The sepsis is one of the disorders of organs which cause death in patients. The investigational models that mimicchemical change of sepsis in human bodywereessential. We have synthesized CeO2 NPs using eco friendly method using plant extract. The characterization of synthesized CeO2 NPs was studied using UV-Vis, FTIR, XRD, SEM, EDX and TEM analysis. The results were confirmed that the synthesized CeO2 was in nano size with spherical shape. The synthesized CeO2 nanoparticles were evaluated against lipopolysaccharide (LPS) male Sprague Dawley rats. We have intravenously administrated CeO2NPs (0.5mg/kg) to Sprague Dawleyratswhich are septic and checked the death rate, respiratory rate, blood pressure, body temperature. The rats could restore all parameters with decrease in hepatic damage, serum cytokines/chemokines, and swelling indicators. The Kupffer cells and macrophage cells treated with CeO2NPs and showed lowest TNF-a, IL-1b, IL-6, and HMGB1release. Due to the ROS, iNOS, COX-2, and nuclear factor-kappa light chain, the triggered B cells (NF-kB) transcriptional action was decreased. Thus, results represents that CeO2NPs can be applied as healing agent for liver sepsis. PMID- 29208273 TI - Self-catalyzed photo-initiated RAFT polymerization for fabrication of fluorescent polymeric nanoparticles with aggregation-induced emission feature. AB - In recent years, the fluorescent polymeric nanoparticles (FPNs) with aggregation induced emission (AIE) feature have been extensively exploited in various biomedical fields owing to their advantages, such as low toxicity, biodegradation, excellent biocompatibility, good designability and optical properties. Therefore, development of a facile, efficient and well designable strategy should be of great importance for the biomedical applications of these AIE-active FPNs. In this work, a novel method for the fabrication of AIE-active FPNs has been developed through the self-catalyzed photo-initiated reversible addition fragmentation chain transfer (RAFT) polymerization using an AIE dye containing chain transfer agent (CTA), which could initiate the RAFT polymerization under light irradiation. The results suggested that the final AIE active FPNs (named as TPE-poly(St-PEGMA)) showed great potential for biomedical applications owing to their optical and biological properties. More importantly, the method described in the work is rather simple and effective and can be further extended to prepare many other different AIE-active FPNs owing to the good monomer adoptability of RAFT polymerization. PMID- 29208274 TI - Hemostatic porous sponges of cross-linked hyaluronic acid/cationized dextran by one self-foaming process. AB - Effective hemostatic materials are very important for treating trauma cases. Natural polysaccharides have been particularly appealing in the development of new hemostatic materials due to their unique functions in human bodies. In this work, different polysaccharide-based hemostatic porous sponges (SHDP or SHDQ) of cross-linked hyaluronic acid (HA)/cationized dextran were readily prepared by the self-foaming process of HA and poly((2-dimethyl amino)-ethyl methacrylate) grafted dextran (Dex-PDM) or partially-quaternized Dex-PDM in the presence of sodium trimetaphosphate crosslinkers. SHDP and SHDQ sponges were investigated in terms of liquid-absorption ability, hemolysis, whole-blood clotting and hemostatic activity in hemorrhaging-liver models. Compared with HA/Dex-PDM sponges (HDP) without chemical cross-linking, SHDP and SHDQ sponges displayed higher porosity (>70.0% vs. 48.9%) and swelling ratios (>1000% vs. 520%). Meanwhile, hemolysis assay revealed the good blood compatibility of SHDP and SHDQ with low hemolysis ratio (below 0.5%). Furthermore, in vitro and in vivo hemostatic assay showed that SHDQ possessed better hemostatic properties than SHDP, owing to the higher cationic charges of partially-quaternized Dex-QPDM than Dex-PDM. The present study demonstrated that the self-foaming process of HA/Dex PDM under a 'green' condition is an effective means to produce new hemostatic materials. PMID- 29208275 TI - Synergetically understanding the interaction between nano/microspheres and peptide for controllable drug loading via experimental and theoretical approaches. AB - In this paper we systematically investigate the loading capacity of raspberry like nano/microspheres with highly cross-linked structure for the peptide, immunostimulating hexapeptide from human (IHH), by integrating both experimental and simulation efforts. The experimental results indicate that the loading capacities of raspberry-like nano/microspheres with different functionalized chains vary drastically. To provide theoretical insights into the observed phenomenon, the typical raspberry-like nano/microspheres were simplified as effective functionalized groups, thereby the interactions between them and IHH were accurately calculated by ab initio method. The ab initio results agree well with the experimental observations, and the underlying binding mechanism is analyzed in great details. It is shown that hydrogen bonding plays an important role and the binding affinity strongly depends on the functionalized motifs. Therefore, this work provides insightful guidance to controlling the drug loading by design of the functionalized surface of nanomaterials. PMID- 29208276 TI - Development of novel pH-sensitive thiolated chitosan/PMLA nanoparticles for amoxicillin delivery to treat Helicobacter pylori. AB - The cysteine conjugated chitosan/PMLA multifunctional nanoparticles were synthesized as targeted Nano-drug delivery system to eradicate Helicobacter pylori. Helicobacter pylori specifically express urea transport protein on its membrane to carrying urea to the cytoplasm urease to supply ammonia that protects bacteria in the acid environment of the stomach. The clinical suitability of topical antimicrobial agents is required to get rid of Helicobacter pylori inside the inflamed basal region. In this work, cysteine conjugated chitosan derivative, Cys-CS for their mucoadhesive and anticoagulant properties was designed and synthesized, for the preparation of multifunctional nanoparticles. The technique turned into optimized to prepare Cys-CS/PMLA nanoparticles for encapsulation of amoxicillin. The results showed that amoxicillin-Cys-CS/PMLA nanoparticles exhibit favorable pH-sensitive properties that could procrastinate the release of amoxicillin at gastric acid and allow the drug to deliver and target to Helicobacter pylori at its survival region efficiently. In comparison with unmodified amoxicillin-chitosan/PMLA nanoparticles, effective inhibition of Helicobacter pylori growth was observed for amoxicillin-Cys-CS/PMLA nanoparticles. These results indicate that the multifunctional amoxicillin-loaded nanoparticles have great potential for the effective treatment of Helicobacter pylori infection. They can also be used as pharmacologically powerful nanocarriers for oral targeted delivery of different therapeutic drugs to treat Helicobacter pylori. PMID- 29208277 TI - Preliminary investigation of the effect of doping of copper oxide in CaO-SiO2 P2O5-MgO bioactive composition for bone repair applications. AB - A diopside based bioactive system with a nominal composition of xCuO-(45.55-x)CaO 29.44 SiO2-10.28P2O5-14.73 MgO (x=0,1,3 and 5mol%) has been prepared by sol gel technique in the laboratory. X-ray Diffraction, Fourier Transform Infra-Red and Raman Spectroscopy, Field Emission Scanning Electron Microscopy along with Energy Dispersive X-ray Analysis and pH studies have been undertaken on the prepared samples before and after dipping the samples in simulated body fluid. It has been observed that hydroxyapatite layer starts to form with in 24h during immersion in simulated body fluid. Degradation studies have also been employed to check the degradation behavior in Tris-HCl. Dynamic light scattering studies show that particles are mostly agglomerated and have an average size of 356nm. Zeta potential studies have been undertaken to check the surface charge and it has been estimated that samples carry negative charge when dipped in simulated body fluid. Negative surface charge may contribute to attachment and proliferation of osteoblasts. Samples have also shown the antimicrobial properties against the Vibro cholerae and Escherichia coli pathogens. To check the non-toxic nature of the samples, cell cytotoxic and cell culture studies have been undertaken using the MG-63 cell lines. Samples have shown good response with good percentage viability of the cells in the culture media and hence, provides friendly environment to the growth of cells. The particle size, bioactivity, negative values of zeta potential, antimicrobial properties and good cell viability indicate the potential of the synthesized compositions as possible candidates for bone repair applications. PMID- 29208278 TI - Mixed-ligand copper(II) complex of quercetin regulate osteogenesis and angiogenesis. AB - Copper(II) complex of quercetin Cu+Q, mixed ligand complexes, quercetin-Cu(II) phenanthroline [Cu+Q(PHt)] and quercetin-Cu(II)-neocuproine [Cu+Q(Neo)] have been synthesized and characterized. From the FT-IR spectroscopic studies, it was evident that C-ring of quercetin is involved in the metal chelation in all the three copper complexes. C-ring chelation was further proven by UV-Visible spectra and the presence of Cu(II) from EPR spectroscopic investigations. These complexes were found to have osteogenic and angiogenic properties, observed through in vitro osteoblast differentiation and chick embryo angiogenesis assay. In osteoblast differentiation, quercetin-Cu(II) complexes treatment increased calcium deposition and alkaline phosphatase activity (ALP) activity at the cellular level and stimulated Runx2 mRNA and protein, ALP mRNA and type 1 collagen mRNA expression at the molecular level. Among the complexes, Q+Cu(PHt) showed more effects on osteoblast differentiation when compared to that of other two copper complexes. Additionally, Q+Cu(Neo) showed more effect compared to Q+Cu. Furthermore, the effect of these complexes on osteoblast differentiation was confirmed by the expression of osteoblast specific microRNA, pre-mir-15b. The chick embryo angiogenesis assay showed that angiogenic parameters such as blood vessel length, size and junctions were stimulated by these complexes. Thus, the present study demonstrated that quercetin copper(II) complexes exhibit as a pharmacological agent for the orthopedic application. PMID- 29208279 TI - Collagen-alginate as bioink for three-dimensional (3D) cell printing based cartilage tissue engineering. AB - Articular cartilage repair is still a huge challenge for researchers and clinicians. 3D bioprinting could be an innovative technology for cartilage tissue engineering. In this study, we used collagen type I (COL) or agarose (AG) mixed with sodium alginate (SA) to serve as 3D bioprinting bioinks and incorporated chondrocytes to construct in vitro 3D printed cartilage tissue. Swelling ratio, mechanical properties, scanning electron microscopy (SEM), cell viability and cytoskeleton, biochemistry analysis and quantitative real-time polymerase chain reaction (qRT-PCR) were performed to investigate the function of different bioinks in 3D printing cartilage tissue engineering applications. The results showed that the mechanical strength was improved in both SA/COL and SA/AG groups compared to SA alone. Besides, the addition of COL or AG has little impact on gelling behavior, demonstrating the advantage as bioinks for 3D printing. Among the three scaffolds, SA/COL could distinctly facilitated cell adhesion, accelerated cell proliferation and enhanced the expression of cartilage specific genes such as Acan, Col2al and Sox9 than the other two groups. Lower expression of Col1a1, the fibrocartilage marker, was present in SA/COL group than that in both of SA and SA/AG groups. The results indicated that SA/COL effectively suppressed dedifferentiation of chondrocytes and preserved the phenotype. In summary, 3D bioprinted SA/COL with favorable mechanical strength and biological functionality is promising in cartilage tissue engineering. PMID- 29208280 TI - Formulation and biological actions of nano-bioglass ceramic particles doped with Calcarea phosphorica for bone tissue engineering. AB - The improvisation of the treatment procedures for treating the various kind of bone defects such as, bone or dental trauma and for diseases such as osteoporosis, osteomyelitis etc., need the suitable and promising biomaterials with resemblance of bone components. Bioactive glass ceramic (BGC) has recently acquired great attention as the most promising biomaterials; hence it has been widely applied as a filler material for bone tissue regeneration. Because it elicts specific biological responses after implantation in addition more potential in formation of strong interface with both hard and soft tissues by dissolution of calcium and phosphate ions. Hence, the current focus in treating the bone defects by orchestrating the biomaterial in combination of alternative medicine such as homeopathic remedies with biomaterials to prevent the adverse effects at minimal concentrations. So the current study was focused on constructing the nano-bioglass ceramic particles (nBGC) doped with novel homeopathic remedy Calcarea phosphorica for dental and bone therapeutic implants. The nBGC particles were synthesized by sol-gel method and reinforced with commercially available Calcarea phosphorica. The synthesized particles were characterized by SEM, DLS, EDS, FT-IR, and XRD studies. The SEM and DLS were shown the size of the particles at nano scale, also the EDS, and FT-IR investigations indicated that the Calcarea phosphorica was integrated with nBGC particles and also the crystalline nature of particles was confirmed by XRD studies. Both nBGC and Calcarea phosphorica doped nBGC (CP-nBGC) were found to be non toxic to mouse mesenchymal stem cells at lower concentrations and also illustrated the better bone forming ability in vitro. PMID- 29208281 TI - Overcoming STC2 mediated drug resistance through drug and gene co-delivery by PHB PDMAEMA cationic polyester in liver cancer cells. AB - Stanniocalcin 2 (STC2) overexpression in hepatocellular carcinoma (HCC) could lead to poor prognosis, which might be due to its induced P-glycoprotein and Bcl 2 protein expression level increase. P-glycoprotein or membrane pump induced drug efflux and altered prosurvival Bcl-2 expression are key mechanisms for drug resistance leading to failure of chemotherapy in HCC. However, current strategy to overcome both P-glycoprotein and Bcl-2 protein induced drug resistance was rarely reported. In this work, we utilized an amphiphilic poly[(R)-3 hydroxybutyrate] (PHB)-b-poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) cationic polyester to encapsulate chemotherapeutic paclitaxel (PTX) in hydrophobic PHB domain and Bcl-2 convertor Nur77/DeltaDBD gene (Nur77 without DNA binding domain for mitochondria localization) by formation of polyplex due to cationic PDMAEMA segment, to effectively inhibit the drug resistant HepG2/STC2 and SMCC7721/STC2 liver cancer cell growth. Thanks to the cationic nanoparticle complex formation ability and high transfection efficiency to express Bcl-2 conversion proteins, PHB-PDMAEMA/PTX@polyplex could partially impair P glycoprotein induced PTX efflux and activate the apoptotic function of previous prosurvival Bcl-2 protein. This is the pioneer report of cationic amphiphilic polyester PHB-PDMAEMA to codeliver anticancer drug and therapeutic plasmid to overcome both pump and non-pump mediated chemotherapeutic resistance in liver cancer cells, which might be inspiring for the application of polyester in personalized cancer therapy. PMID- 29208282 TI - Polyester micelles for drug delivery and cancer theranostics: Current achievements, progresses and future perspectives. AB - The development of tumor-targeting nanocarriers is critical important for effective treatment. The synthetic polyesters have demonstrated high potential for developing nanocarriers for cancer theranostics. Especially, the biocompatible and biodegradable polyester micelles have held great promise for cancer therapy and diagnosis, while some candidates have been translated into clinical applications or under clinical trial. In this review, we have provided the state-of-the-art of polyester micelles for drug delivery and cancer theranostics. In addition, we have summarized several major types of polyesters used in the biomedical fields, the current clinical achievements of polyester micelles and recent progresses of multi-functional polyester micelles for tumor molecular imaging and therapeutic applications. PMID- 29208283 TI - A review of recent progress in drug and protein encapsulation: Approaches, applications and challenges. AB - Many drugs and proteins formulated for treatment of various diseases are not fully utilised due to environmentally problems such as degradation by enzymes or it being hydrophobic. To counter this problem, the drug and protein of interest are encapsulated by synthetic polymers where they are protected from the environment. This allows the molecule to reach its target safely and maximise its function. In this paper, we will discuss about the different techniques of encapsulation that includes emulsion evaporation, self-emulsifying drug delivery system and supercritical fluid. This will be followed by the drugs and proteins that are commonly encapsulated to counter life-threatening diseases such as cancer and diabetes. A novel method using foam was proposed and will be briefly discussed as it can play a huge role in future developments. PMID- 29208284 TI - Corrigendum to "Liposome-based drug co-delivery systems in cancer cells" [Mater. Sci. Eng. C 71 (2017) 1327-1341]. PMID- 29208285 TI - Hybrid nanofibers based on poly-caprolactone/gelatin/hydroxyapatite nanoparticles loaded Doxycycline: Effective anti-tumoral and antibacterial activity. AB - Cancer is one of the leading causes of morbidity and mortality Worldwide, 19.3 million new cancer cases are expected to be identified in 2025. Among the therapeutic arsenal to cancer control one could find the Doxycycline and the nano hydroxyapatite. The Doxycycline (Dox) not only shown antibiotic effect but also exhibits a wide range of pleiotropic therapeutic properties as the control of the invasive and metastatic cancer cells characteristics. The purpose of the present study was to evaluate both cytotoxicity in vitro and antibacterial activity of electrospun Dox-loaded hybrid nanofibrous scaffolds composed by hydroxyapatite nanoparticles (nHA), poly-epsilon-caprolactone (PCL) and gelatin (Gel) polymers. Both nHA and Dox were dispersed into different PCL/Gel ratios (70:30, 60:40, 50:50wt%) solutions to form electrospun nanofibers. The nHA and Dox/nHA/PCL-Gel hybrid nanofibers were characterized by TEM microscopy. In vitro Dox release behavior from all of these Dox-loaded nHA/PCL-Gel nanofibers showed the same burst release profile due to the high solubility of Gel in the release medium. Antibacterial properties of nanofiber composites were evaluated using Gram positive Staphylococcus aureus (S. aureus) and Gram-negative Porphyromonas gingivalis (P. gingivalis) bacteria. The co-delivery of nHA particles and Dox simultaneously exhibited inhibition of bacterial growth more efficiently than the delivery of either Dox or nHA at the same concentrations, indicating a synergistic effect. The results showed that cancer cell tested had different sensibility to co-delivery system. On the whole, A-431 cells were found exhibited the most pronounced synergistic effect compared to CACO-2 and 4T1 cancer cells. Based on the anticancer as well as the antimicrobial results in this study, the developed Dox/nHA/PCL-Gel composite nanofibers are suitable as a drug delivery system with potential applications in the biomedical fields. PMID- 29208286 TI - One pot biocatalytic synthesis of a biodegradable electroactive macromonomer based on 3,4-ethylenedioxytiophene and poly(l-lactic acid). AB - A novel electroactive macromonomer based on poly(l-lactic acid) (PLLA) with (3,4 ethylenedioxythiophene) (EDOT) functional end groups, was prepared by a traditional approach of organometallic polymerization with stannous octanoate [Sn(oct2)] and enzymatic polymerization using immobilized Candida antarctica Lipase B (CAL-B) and Amano lipase Pseudomonas cepacia(PS-IM), as catalysts. In the synthetic strategy, (2,3-dihydrothieno[3,4-b] dioxin-2-yl)methanol (EDOT-OH) was used to initiate the ring opening polymerization of lactide to yield PLLA with EDOT end group. All macromonomers (EDOT-PLLA) were characterized by 1H and 13C RMN, MALDI-TOF, GPC and EDX. Moreover, ICP-OES analysis showed the presence of Sn traces in the material synthesized by the traditional approach, but that pathway led to macromonomers with higher molecular weight while the enzymatic route led to completely metal-free macromonomers with medium and lower molecular weights. Also, electrochemical and chemical polymerization of EDOT-PLLA were tested showing that it is possible to prepare degradable conducting polymers based on poly(3,4-ethylenedioxythiphene) (PEDOT). The biocatalytic synthesis is a very promising and environmental friendly pathway for the preparation of biodegradable materials for short time applications. PMID- 29208287 TI - Development of temozolomide coated nano zinc oxide for reversing the resistance of malignant glioma stem cells. AB - Recently most of the researchers have turned their interest towards plant mediated synthesis of metal nanoparticles to avoid several environmental toxicants. In this manuscript, we have discussed the ecofriendly syntheses of zinc oxide nanoparticles (ZnO NPs) were achieved using Glycyrrhiza glabra (G. glabra) seed aqueous extract. The green synthesized ZnO NPs were characterized using analytical techniques like XRD, TEM, particle size histogram and Zeta potential. From the results, it was found that the green synthesized ZnO NPs were around 35nm in size with irregular spherical shape. The Zeta potential study of ZnO NPs was resulted to be high stabile with electronegative charge around 56.3mV. Further the G. glabra seed aqueous extract mediated synthesis of ZnO NPs were subjected to treat human glioblastoma cells with the help of temozolomide (TMZ) a commercially available drug by the method of MTT cell viability assay. The results stated that the ZnO NPs shows IC50 value around 30MUg/mL results significantly. The plausible mechanism behind the mortality rate was also discussed in this manuscript. PMID- 29208288 TI - Rhombicuboctahedron unit cell based scaffolds for bone regeneration: geometry optimization with a mechanobiology - driven algorithm. AB - In a context more and more oriented towards customized medical solutions, we propose a mechanobiology-driven algorithm to determine the optimal geometry of scaffolds for bone regeneration that is the most suited to specific boundary and loading conditions. In spite of the huge number of articles investigating different unit cells for porous biomaterials, no studies are reported in the literature that optimize the geometric parameters of such unit cells based on mechanobiological criteria. Parametric finite element models of scaffolds with rhombicuboctahedron unit cell were developed and incorporated into an optimization algorithm that combines them with a computational mechanobiological model. The algorithm perturbs iteratively the geometry of the unit cell until the best scaffold geometry is identified, i.e. the geometry that allows to maximize the formation of bone. Performances of scaffolds with rhombicuboctahedron unit cell were compared with those of other scaffolds with hexahedron unit cells. We found that scaffolds with rhombicuboctahedron unit cell are particularly suited for supporting medium-low loads, while, for higher loads, scaffolds with hexahedron unit cells are preferable. The proposed algorithm can guide the orthopaedic/surgeon in the choice of the best scaffold to be implanted in a patient-specific anatomic region. PMID- 29208289 TI - Elastic polyurethane bearing pendant TGF-beta1 affinity peptide for potential tissue engineering applications. PMID- 29208290 TI - Synthesis, spectroscopic, thermal and molecular modeling studies of Zn2+, Cd2+ and UO22+ complexes of Schiff bases containing triazole moiety. Antimicrobial, anticancer, antioxidant and DNA binding studies. AB - A novel series of Zn2+, Cd2+ and UO22+ complexes of ligands namely 1-[(5-mercapto 1H-1,2,4-triazole-3-ylimino) methyl]naphthalene-2-ol (HL1) and [(1H-1,2,4 triazole-3-ylimino) methyl] naphthalene-2-ol (HL2) have been prepared and characterized by different analytical and spectral techniques. The stoichiometry, stereochemistry, conductivity measurements and mode of bonding of the complexes have been elucidated. Accurate comparison of the IR spectra of the ligands with their metal chelates proved the involvement of nitrogen atoms of the azomethine group and/or triazole ring in chelation in addition to the deprotonated hydroxyl oxygen. The UV-Vis and molar conductance data supported the octahedral geometry for the metal complexes. TGA technique has been used to study the thermal decomposition way of the metal complexes and the thermo kinetic parameters were estimated. Valuable information is obtained from calculations of molecular parameters using the molecular modeling techniques. The interaction between the metal complexes and CT-DNA has been studied from which the binding constants (kb) were calculated. The Schiff bases and their metal chelates have shown potent antimicrobial, antioxidant and antitumor activities. The antitumor activities of the compounds have been tested in vitro against HEPG2 cell line and in silico by the molecular docking analysis with the VEGFR-2 receptor responsible for angiogenesis. PMID- 29208291 TI - Optimization of the composition and dosage of PEGylated polyethylenimine entrapped gold nanoparticles for blood pool, tumor, and lymph node CT imaging. AB - Gold nanoparticles (Au NPs) with a high X-ray attenuation coefficient have a good potential in CT imaging applications. Here, we report the design and synthesis of Au NPs entrapped within polyethylene glycol (PEG)-modified branched polyethyleneimine (PEI) with varying the initial Au salt/PEI molar ratios and with the remaining PEI surface amines being acetylated for blood pool, lung tumor and lymph node CT imaging. The formed unacetylated and acetylated PEGylated PEI entrapped Au NPs (Au PENPs) were characterized via different methods. We show that the PEGylated PEI is an effective template to entrap Au NPs having a uniform size ranging from 1.7nm to 4.4nm depending on the Au salt/PEI molar ratio. After optimization of the composition-dependent X-ray attenuation effect, we then selected {(Au0)100-PEI.NHAc-mPEG} NPs for biological testing and show that the particles have good cytocompatibility in the given concentration range and can be used as a contrast agent for effective CT imaging of the blood pool of rats, lung cancer model of nude mice and lymph node of rabbits after intravenous injection. For each application, the injected dosage of the particles was optimized. In addition, the {(Au0)100-PEI.NHAc-mPEG} NPs could be excreted out of the body with time. Our results indicate that the formed Au PENPs with an appropriate composition and dosage hold a great promise to be used for CT imaging of various biosystems. PMID- 29208292 TI - Hydroxyapatite/mesoporous silica coated gold nanorods with improved degradability as a multi-responsive drug delivery platform. AB - In this study, gold nanorods/mesoporous silica/hydroxyapatite (Au/SiO2/HAP) hybrid nanoparticles with AuNR core and SiO2/HAP hybrid inorganic shell for multi responsive drug delivery had been prepared. The morphology and structure of the nanoparticles were characterized by TEM, XPS, XRD, FT-IR and N2 adsorption desorption isotherms. The degradation of the hybrid nanoparticles could be significantly improved by the dissolution of HAP from the hybrid skeleton in acid environment. In vitro drug release results indicated that Au/SiO2/HAP nanoparticles exhibited high drug loading efficiency, excellent near-infrared (NIR)- and pH-responsive drug release properties. Compared to the drug release of Au/SiO2 nanoparticles over 12h (about 6.35%), Au/SiO2/HAP nanoparticles displayed a higher drug release of 37.62% upon NIR irradiation at pH4.5 due to the NIR responsiveness of AuNRs and the pH-responsiveness of HAP in acid media. The cell viability results also indicated that the Au/SiO2/HAP nanoparticles exhibited the excellent biocompatibility. The present paper provides a facile route to fabricate a hybrid drug carrier with high drug loading efficiency, excellent pH sensitivity, NIR-sensitivity, biodegradability and biocompatibility. PMID- 29208293 TI - Mesoporous silica-based bioactive glasses for antibiotic-free antibacterial applications. AB - Bioactive glasses (BGs) are being used in several biomedical applications, one of them being as antibacterial materials. BGs can be produced via melt-quenching technique or sol-gel method. Bactericidal silver-doped sol-gel derived mesoporous silica-based bioactive glasses were reported for the first time in 2000, having the composition 76SiO2-19CaO-2P2O5-3Ag2O (wt%) and a mean pore diameter of 28nm. This review paper discusses studies carried out exploring the potential antibacterial applications of drug-free mesoporous silica-based BGs. Bioactive glasses doped with metallic elements such as silver, copper, zinc, cerium and gallium are the point of interest of this review, in which SiO2, SiO2-CaO and SiO2-CaO-P2O5 systems are included as the parent glass compositions. Key findings are that silica-based mesoporous BGs offer a potential alternative to the systemic delivery of antibiotics for prevention against infections. The composition dependent dissolution rate and the concentration of the doped elements affect the antibacterial efficacy of BGs. A balance between antibacterial activity and biocompatibility is required, since a high dose of metallic ion addition can cause cytotoxicity. Typical applications of mesoporous BGs doped with antibacterial ions include bone tissue regeneration, multifunctional ceramic coatings for orthopedic devices and orbital implants, scaffolds with enhanced angiogenesis potential, osteostimulation and antibacterial properties for the treatment of large bone defects as well as in wound healing. PMID- 29208294 TI - Hearing loss: time for sound action. PMID- 29208295 TI - Far from universal access to electricity. PMID- 29208296 TI - Crucial role of finance ministry in achieving universal health coverage. PMID- 29208297 TI - Women in science, medicine, and global health: call for papers. PMID- 29208298 TI - Offline: The latent power of doctors. PMID- 29208299 TI - Informing women with endometriosis about ovarian cancer risk. PMID- 29208300 TI - To be a scientist in Mexico... or not to be? PMID- 29208301 TI - A global perspective on the history of anaesthesia. PMID- 29208302 TI - Efficacy of infliximab biosimilars in patients with Crohn's disease. PMID- 29208304 TI - Efficacy of infliximab biosimilars in patients with Crohn's disease - Authors' reply. PMID- 29208303 TI - Efficacy of infliximab biosimilars in patients with Crohn's disease. PMID- 29208305 TI - Heart transplantation at 50. PMID- 29208306 TI - US Senate considers Alex Azar to lead HHS. PMID- 29208307 TI - Department of Error. PMID- 29208308 TI - Serum intestinal fatty-acid binding protein: predictor of bowel necrosis in pediatric intussusception. AB - BACKGROUND/PURPOSE: Serum Intestinal Fatty-Acid Binding Protein (I-FABP) is a useful marker of bowel necrosis in pediatric intussusception. The aim of this study is to determine the sensitivity of this marker and correlate it with length of necrosed small bowel. METHODS: A single-centre prospective study of 50 children presenting to Lagos University Teaching Hospital, Nigeria, in whom a diagnosis of intussusception was made over 1 year was completed. Additionally, 25 age- and sex-matched controls (day case surgery) were recruited. They were grouped into three: 25 children with necrotic bowel, 25 without bowel necrosis, and 25 controls. The serum IFABP levels were compared between the cohorts with confirmed bowel necrosis at surgery and those with no necrosis, as well as controls. The cut-off values for the diagnosis of bowel necrosis were calculated using a receiver operating characteristic curve (ROC). The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were calculated. RESULTS: Twenty-five children were diagnosed with necrotic intussusception whose serum IFABP immunoassay has significantly higher median compared with those without necrosis and controls (2056.0ng/ml vs. 943.0ng/ml and 478.0ng/ml P=0.0002). Using a cut-off value of 1538ng/ml, the sensitivity, specificity, PPV, and NPV were 64%, 88%, 84%, and 71%, respectively. I-FABP titer greater than 1538ng/ml was found to have higher likelihood of necrotic bowel (p=0.002; odds ratio 13.04; 95% confidence interval; 0.618-0.891). CONCLUSION: Serum I-FABP is moderately sensitive for discriminating between bowel necrosis, and it predicts increased likelihood of bowel resectability in intussusception. LEVEL OF EVIDENCE: Level II - Development of diagnostic criteria in a consecutive series of patients and a universally applied "gold standard". PMID- 29208309 TI - Detection of estrogen active compounds in hops by planar yeast estrogen screen. AB - Hops used in the brewing process of beer for flavoring are known to contain estrogen active compounds (EAC) and to be the source of EAC in beer. The recently developed planar yeast estrogen screen (pYES) with the substrate resorufin-beta-d galactopyranoside (RGP) successfully was applied for the detection of EAC in ethanolic extracts of hops pellet samples. The only pYES positive compound was identified as the hop flavanone prenylnaringenin (PN) by thin-layer chromatography-mass spectrometry. The heat-induced formation of estrogen active PN from the inactive hop flavonoid desmethylxanthohumol was confirmed by simulation of wort boiling, extraction of both the hops' remainder and the supernatant water, and subsequent investigation of the extracts by pYES. By means of the dose-response curve of PN of a hops' remainder extract, the estradiol equivalent concentration (EEQ) and thus the estradiol equivalent amount (EEA) of PN in the hops' remainder after simulation of the wort boiling was determined to 39 MUg/L and 52 MUg/kg, respectively. PMID- 29208310 TI - Equivalent mortality and complication rates following periprosthetic distal femur fractures managed with either lateral locked plating or a distal femoral replacement. AB - INTRODUCTION: Management of distal femur fractures above total knee arthroplasty (TKA) remains challenging. Two common surgical options are locked lateral plating (LLP) and distal femoral arthroplasty (DFR). Unfortunately, approximately 30-50% of patients may die within one year of injury, require further surgery, or not regain prior mobility performance. We compared 87 LLP to 53 DFR patients - to our knowledge the largest comparative study - focusing on 90- and 365-day mortality, mobility maintenance, and further surgery. METHODS: We performed a retrospective review of patients at least 55 years old who sustained femur fractures near a primary TKA (essentially OTA-33 or Su types 1, 2, or 3) from 2000 to 2015 assigning cohort based on treatment: LLP or DFR. We excluded patients having prior care for the injury, whose surgery was not for fracture (e.g. loosening), or having other surgical intervention (e.g. intramedullary nail). RESULTS: Results Cohorts were similar based on body mass index and age adjusted Charlson Comorbidity Index (aaCCI). LLP was more common than DFR for fractures above and at the level of the implant, but similar for fractures within the implant for patients with aaCCI >= 5. LLP and DFR had similar mortality at 90 days (9% vs 4%) and 365 days (22% vs 10%), need for additional surgery (9% vs 3%), and survivors maintaining ambulation (77% vs 81%). Patients whose surgery occurred 3 or more days after presentation had similar mortality risk to those whose surgery was before 3days. The mean age of one year survivors was 77 whereas for patients who died it was 85. Neither surgical choice nor aaCCI was associated with increased risk in time to surgery. CONCLUSIONS: Fracture location, remaining bone stock, and patient's prior mobility and current comorbidities must guide treatment. Our study suggests that 90- and 365-day mortality, final mobility, and re-operation rate are not statistically different with LLP vs DFR management. PMID- 29208311 TI - Bonding strategies for MIH-affected enamel and dentin. AB - OBJECTIVES: Aim of the present study was to evaluate resin composite adhesion to dental hard tissues affected by molar incisor hypomineralisation (MIH). METHODS: 94 freshly extracted human molars and incisors (53 suffering MIH) were used. 68 teeth (35 with MIH) were used for MU-TBS tests in enamel and dentin, 26 (18 with MIH) for qualitative evaluation. Specimens were bonded with Clearfil SE Bond, Scotchbond Universal, and OptiBond FL. For MIH affected enamel, additional OptiBond FL groups with NaOCl and NaOCl+Icon were investigated. Beside fractographic analysis, also qualitative evaluations were performed using SEM at different magnifications as well as histological sectioning. RESULTS: Highest MU TBS values were recorded with dentin specimens (ANOVA, mod. LSD, p<0.05). Results were independent of adhesive and dentin substrate (p>0.05). Pre-test failures did not occur in dentin specimens. Sound enamel specimens exhibited significantly higher MU-TBS values than MIH enamel (p<0.05). The two-step self-etch adhesive (Clearfil SE Bond) and the two-step etch-and-rinse adhesive (Scotchbond Universal) showed the lowest values in affected enamel specimens (p<0.05) with most pre-test failures (p<0.05). OptiBond FL on affected enamel showed better results than Clearfil SE Bond (p<0.05). An additional pre-treatment of affected enamel with NaOCl or NaOCl and Icon did not enhance enamel bonding (p>0.05), however, it caused less pre-test failures (p<0.05). Micromorphological analyses revealed that conventional phosphoric acid etching produces a much less pronounced etching pattern in affected enamel and a porous structure as weak link for the resin-enamel bond was identified. SIGNIFICANCE: Bonding to porous hypomineralized MIH enamel is the limiting factor in adhesion to MIH teeth. MIH affected dentin may be bonded conventionally. PMID- 29208312 TI - Gadolinium deposition in the paediatric brain: T1-weighted hyperintensity within the dentate nucleus following repeated gadolinium-based contrast agent administration. AB - AIM: To determine whether repeated gadolinium-based contrast agent administration (GBCA) in children is associated with the development of increased T1-weighted signal intensity within the cerebellar dentate nucleus. MATERIALS AND METHODS: With institutional review board approval for this The Health Insurance Portability and Accountability Act-compliant retrospective study, a cohort of 41 patients under the age of 18 years who underwent at least four contrast-enhanced magnetic resonance imaging (MR) examinations of the brain from 2005 to 2015 were identified. For each examination, both dentate nuclei were manually contoured, and the mean dentate nucleus-to-pons signal intensity (DN-P SI) ratio was calculated. The DN-P SI ratios from the last to first MRI examination were compared, and the correlation between DN-P SI ratio and cumulative gadolinium dose was calculated using a linear mixed effect model to control for potentially confounding variables. RESULTS: For the 41 patients in the cohort, there was a significant increase in the mean DN-P SI ratio from the first MRI to the last MRI examination (1.05 versus 1.11, p=0.004). After controlling for patient diagnosis, history of chemotherapy or radiation, sex, and age, there was a significant positive association between DN-P SI ratio and cumulative gadolinium dose (coefficient=0.401, p=0.032). CONCLUSION: Repeated GBCA administration in children is associated with increased T1-weighted signal intensity within the dentate nucleus. PMID- 29208313 TI - Pursuit of a method for single administration of pFSH for superstimulation in cattle: What we have learned. AB - A single dose protocol of FSH for superstimulation in cattle may improve compliance and superovulatory response. A single subcutaneous (sc) administration of pFSH was efficacious, but response depended on body condition and injection site; the adipose tissue pad behind the shoulder was most efficacious. Inconsistent results in Holsteins were partially overcome by sc administration of 75% of the total pFSH dose behind the shoulder on the first day followed by 25% 48 h later. An alternative would be to combine FSH with polymers that cause it to be released slowly over several days. Hyaluronan is found normally in most animal tissues and is nonreactive when administered parentally. A single intramuscular (im) administration of pFSH in a 2.0% hyaluronan induced a superovulatory response that did not differ from twice daily im administration over 4 d. However, 2.0% hyaluronan was viscous and difficult to mix with FSH. Although solutions of 1.0 and 0.5% hyaluronan were less viscous, they lacked efficacy as a single im administration. However, superovulatory response was high when either 1.0 or 0.5% hyaluronan was used in a two-dose im protocol; two-thirds on the first day and one-third 48 h later. A single im administration of FSH in 0.5% hyaluronan effectively induced superstimulation for OPU in cattle. Successful superovulation in the cow was associated with circulating FSH levels that were similar to endogenous FSH levels prior to follicular wave emergence; however, levels must be maintained above baseline for at least 72 h, or 36 h for OPU. Circulating FSH levels following a single sc administration of 400 mg NIH-FSH-P1 behind the shoulder in beef cows increased to 1.0 or 1.2 ng/mL at 12 h and were back near baseline in approximately 60 h, while FSH levels following im administration of 200 mg NIH-FSH-P1 in 0.5% hyaluronan into Holstein donors reached 1.5 ng/mL at 12 h and returned to baseline in approximately 36 h. PMID- 29208314 TI - The 20S immunoproteasome and constitutive proteasome bind with the same affinity to PA28alphabeta and equally degrade FAT10. AB - The 20S immunoproteasome (IP) is an interferon(IFN)-gamma - and tumor necrosis factor (TNF) -inducible variant of the 20S constitutive proteasome (CP) in which all its peptidolytically active subunits beta1, beta2, and beta5 are replaced by their cytokine inducible homologues beta1i (LMP2), beta2i (MECL-1), and beta5i (LMP7). These subunit replacements alter the cleavage specificity of the proteasome and the spectrum of proteasome-generated peptide ligands of MHC class I molecules. In addition to antigen processing, the IP has recently been shown to serve unique functions in the generation of pro-inflammatory T helper cell subtypes and cytokines as well as in the pathogenesis of autoimmune diseases, but the mechanistic involvement of the IP in these processes has remained elusive. In this study we investigated whether the IP differs from the CP in the interaction with two IFN-gamma/TNF inducible factors: the 11S proteasome regulator PA28alphabeta and the ubiquitin-like modifier FAT10 (ubiquitin D). Using thermophoresis, we determined the affinity of PA28alphabeta for the CP and IP to be 12.2nM +/- 2.8nM and 15.3nM +/- 2.7nM, respectively, which is virtually identical. Also the activation of the peptidolytic activities of the IP and CP by PA28alphabeta did not differ. For FAT10 we determined the degradation kinetics in cycloheximide chase experiments in cells expressing almost exclusively IP or CP as well as in IFN-gamma stimulated and unstimulated cells and found no differences between the degradation rates. Taken together, we conclude that neither differences in the binding strength to, nor activation by PA28alphabeta, nor a difference in the rate of FAT10-mediated degradation can account for distinct functional capabilities of the IP as compared to the CP. PMID- 29208315 TI - On the role of V1 in avoiding obstacles. PMID- 29208316 TI - Should we perform an inspiratory or an expiratory chest radiograph for the initial diagnosis of pneumothorax? AB - Chest radiography for pneumothorax screening is a frequently employed test. However, there is some controversy about which radiographic technique to choose. Posteroanterior chest radiography taken during expiration has been the technique used for many decades because several experts in classical thoracic radiology, such as Greene and Felson, recommended it. However, chest radiography, with posteroanterior and lateral projections, taken during deep breath is the appropriated technique to initially assess the whole thoracic pathology. In this review we have tried to establish, based on the best available evidence, which is the initial examination of choice to diagnose pneumothorax. PMID- 29208317 TI - Protein dynamics in the solid-state from 2H NMR lineshape analysis. III. MOMD in the presence of Magic Angle Spinning. AB - We report on a new approach to the analysis of dynamic NMR lineshapes from polycrystalline (i.e., macroscopically disordered) samples in the presence of Magic Angle Spinning (MAS). This is an application of the Stochastic Liouville Equation developed by Freed and co-workers for treating restricted (i.e., microscopically ordered) motions. The 2H nucleus in an internally-mobile C-CD3 moiety serves as a prototype probe. The acronym is 2H/MOMD/MAS, where MOMD stands for "microscopic-order-macroscopic-disorder." The key elements describing internal motions - their type, the local spatial restrictions, and related features of local geometry - are treated in MOMD generally, within their rigorous three-dimensional tensorial requirements. Based on this representation a single physically well-defined model of local motion has the capability of reproducing experimental spectra. There exist other methods for analyzing dynamic 2H/MAS spectra which advocate simple motional modes. Yet, to reproduce satisfactorily the experimental lineshapes, one has either to use unusual parameter values, or combine several simple motional modes. The multi-simple-mode reasoning assumes independence of the constituent modes, features ambiguity as different simple modes may be used, renders inter-system comparison difficult as the overall models differ, and makes possible model-improvement only by adding yet another simple mode, i.e., changing the overall model. 2H/MOMD/MAS is free of such limitations and inherently provides a clear physical interpretation. These features are illustrated. The advantage of 2H/MOMD/MAS in dealing with sensitive but hardly investigated slow-motional lineshapes is demonstrated by applying it to actual experimental data. The results differ from those obtained previously with a two-site exchange scheme that yielded unusual parameters. PMID- 29208318 TI - Liver resection is justified for patients with bilateral multiple colorectal liver metastases: A propensity-score-matched analysis. AB - BACKGROUND: Increasingly, patients with multiple colorectal liver metastases (CLM) are surgically treated. Some studies have shown that patients with bilobar and unilobar multiple CLM have similar outcomes, but other have shown that patients with bilobar CLM have worse outcomes after resection. We aimed to compare clinical outcomes of surgical treatment of bilobar and unilobar CLM using propensity score matching. METHODS: The single-institution study included patients who underwent hepatectomy for >=3 histologically confirmed CLM during 1998-2014. Clinicopathologic characteristics and long-term outcomes were compared between patients with bilobar and unilobar CLM in a propensity-score-adjusted cohort. RESULTS: A total of 473 patients met the inclusion criteria, 271 (57%) with bilobar and 202 (43%) with unilobar CLM. In the propensity-score-matched population (bilobar, 170; unilobar, 170), no differences were observed according to the distribution of CLM except for a greater frequency of concomitant ablation, and R1 resection in the bilobar group. There was no difference between the bilobar and unilobar groups in 5-year overall survival rates (46% and 49%, respectively; P = 0.740) or 3-year recurrence-free survival rates (21% and 24%, respectively; P = 0.674). CONCLUSIONS: Tumor distribution may not affect the curability of surgery for multiple CLM. Liver resection would be justified for selected patients with bilobar CLM. PMID- 29208319 TI - Defining the incidence and clinical significance of lymph node metastasis in soft tissue sarcoma. AB - INTRODUCTION: The incidence and clinical significance of lymph node metastasis (LNM, N1) in soft tissue sarcoma (STS) is unclear. Recent studies have focused on extremity/trunk STS (ETSTS). We sought to define the subgroup of patients with LNM at sarcoma diagnosis across all disease sites and histologies. METHODS: We identified and categorized 89,870 STS patients from the National Cancer Data Base (1998-2012) by nodal stage. Pathologically confirmed LNM (pN1) were identified in 1404 patients; 1750 had clinically suspicious but not pathologically confirmed LNM (cN1). Survival analyses were performed by Kaplan-Meier method. RESULTS: Of 3154 patients (3.5%) with pN1 or cN1 LNM at presentation, 1310 had synchronous distant metastasis (M1). LNM affected a small proportion of patients (5.8% head/neck, 5.3% intrathoracic, 5.1% intra-abdominal, 2.0% ETSTS). Angiosarcoma (6%), epithelioid (13%), clear cell (16%), and small cell sarcoma (19%) had the highest incidence of LNM, although liposarcoma, fibrous histiocytoma, and leiomyosarcoma accounted for the greatest number of LNM patients. For pN1M0 disease, median overall survival (OS) was 28.2 months, varying by histology. Among patients with pN1M0 STS, angiosarcoma, clear cell sarcoma, leiomyosarcoma, and fibrous histiocytoma were associated with worse median OS (19.4, 23.8, 27.1, and 29.3 months) compared to epithelioid sarcoma and liposarcoma (49.6 and 56.0 months, p < 0.001). CONCLUSION: Despite clinical suspicion, pathologic LN evaluation in STS is inconsistently performed. LNM occurs across anatomic disease sites and is unevenly distributed across histologies. Although M1 disease portends poor prognosis regardless of LN status, LNM predicts worse OS in a histology-dependent manner in M0 disease. PMID- 29208320 TI - Efficacy of a massive transfusion protocol for hemorrhagic trauma resuscitation. AB - OBJECTIVES: New paradigm shifts in trauma resuscitation recommend that early reconstitution of whole blood ratios with massive transfusion protocols (MTP) may be associated with improved survival. We performed a preliminary study on the efficacy of MTP at an urban, Level 1 trauma center and its impact on resuscitation goals. METHODS: A case-control study was performed on consecutive critically-ill trauma patients over the course of 1 year. The trauma captain designated patients as either MTP activation (cases) or routine care without MTP (controls) in matched, non-randomized fashion. Primary outcomes were: time to initial transfusion; number of total units of packed red blood cells (pRBC) and fresh frozen plasma (FFP) transfused; and ratio of pRBC to fresh frozen plasma (pRBC:FFP). Secondary outcomes were in-hospital mortality, and length of stay. RESULTS: Out of 226 patients screened, we analyzed 58 patients meeting study criteria (32 MTP, 26 non-MTP). Study characteristics for the MTP and non-MTP groups were similar except age (34.0 vs. 45.85 years, p=0.015). MTP patients received blood products more expeditiously (41.7 minutes vs. 62.1 minutes, p=0.10), with more pRBC (5.19 vs 3.08 units, p=0.05), more FFP (0.19 vs 0.08 units, p<0.01), and had larger pRBC:FFP ratios (1.90 vs 0.52, p<0.01). Secondary outcomes did not differ significantly but the MTP group was associated with a trend for decreased hospital length of stay (p=0.08). CONCLUSIONS: MTP resulted in clinically significant improvements in transfusion times and volumes. Further larger and randomized studies are warranted to validate these findings to optimize MTP protocols. PMID- 29208321 TI - Predicting 72-hour emergency department revisits: Methodological issues. PMID- 29208322 TI - Face mask leak with nasal cannula during noninvasive positive pressure ventilation: A randomized crossover trial. AB - BACKGROUND: Nasal cannula can achieve apneic oxygenation during emergency intubation. However, pre-procedure nasal cannula placement may be difficult in patients undergoing non-invasive positive pressure ventilation (NPPV) prior to intubation. Our objective was to compare mask leak during NPPV with versus without simultaneous application of nasal cannula. We hypothesized mask leak would be no worse with concomitant use of nasal cannula (non-inferiority design). METHODS: We performed a randomized crossover non-inferiority study of healthy volunteers. We randomized subjects undergoing 60s trials of NPPV (10cmH2O continuous positive airway pressure) to either NPPV alone (NPPV-a) or NPPV with nasal cannula at 15L/min (NPPV-nc). After a brief rest period, all subjects underwent the alternative intervention. The primary outcome was time averaged mask leak over 60s (L/min). We defined a non-inferiority margin of 5L/min. RESULTS: We enrolled 64 subjects. Mean time-averaged mask leak was 2.2L/min for NPPV-a versus 4.0L/min for NPPV-nc for a difference of 1.7L/min (one-sided 95% CI -infinity to 3.2L/min). NPPV-a resulted in higher mean minute volume received (13.5 versus 12.2L) and higher mean respiratory rates (14.8 versus 13.5 breaths per minute). CONCLUSION: The addition of nasal cannula during NPPV does not significantly increase mask leak. The simultaneous application of nasal cannula with NPPV may be a useful strategy to streamline airway management among patients undergoing NPPV prior to intubation. PMID- 29208323 TI - Evaluation of Posterior Cruciate Ligament and Intercondylar Notch in Subjects With Anterior Cruciate Ligament Tear: A Comparative Flexed-Knee 3D Magnetic Resonance Imaging Study. AB - PURPOSE: To determine if posterior cruciate ligament (PCL) and intercondylar notch (IN) morphometries and volumetrics act as risk factors for anterior cruciate ligament (ACL) tears. METHODS: A prospective case-controlled magnetic resonance imaging (MRI) study was conducted with subjects presenting noncontact knee injuries. Exclusion criteria were previous surgery, PCL tear, osteoarthritis, tumors, or infectious and inflammatory conditions. All participants underwent a flexed-knee 3-dimensional (3D) magnetic resonance imaging (MRI) to uniformly straighten PCL. MR images were independently reviewed by 2 radiologists and assessed for 2D and 3D measurements (bicondylar width; IN angle, depth, width, and cross-sectional area; PCL width, thickness, and cross sectional area; and IN and PCL volumes). Clinical profiles were tabulated and subjects were divided into cases (ACL tear) and controls (without ACL tear). RESULTS: The study was composed of 50 cases versus 52 controls (N = 102), with a mean age of 36.8 years. There was no difference between groups (P > .05) regarding age, gender, body mass index, time from injury, Tegner score, flexion angle, limb side, intensity of injury, or familial or opposite limb history of tear. Agreement between readers ranged from substantial to almost perfect. Subjects with ACL tear presented with lower IN width, lower IN minus PCL widths, lower Notch Width Index, higher PCL/IN width proportion, higher PCL thickness, lower IN depth minus PCL thickness, and higher PCL thickness/IN depth proportion (P < .05). Moreover, higher PCL/IN cross-sectional area proportion, higher PCL volumes (OR = 9.01), and higher PCL/IN volume proportion were also found in cases. CONCLUSIONS: Our study shows that subjects with ACL tears present not only reduced IN but also larger PCL dimensions. These findings, isolated and combined, and especially PCL volume, might be suggestive as risk factors for ACL tears owing to the reduction of its space inside the IN. LEVEL OF EVIDENCE: Level III, comparative group. PMID- 29208324 TI - Measuring the cost of a pediatric vaccine administration in the UK. AB - The administration of a vaccine dose involves a series of activities prior to and on the day of vaccine delivery. Total vaccination cost should include the cost of each activity, which is often not done or poorly reported. To calculate those costs a field study was performed in 6 United Kingdom (UK) sites (General Practitioner (GP) practices) during a 4-month period (April-June 2015). First, a workflow map of all the relevant vaccine-related activities per site was obtained through interviews. Second, time estimates for activities happening prior to the vaccination day were obtained through interviews and associated costs were calculated. A prospective, non-interventional study using Time & Motion (T&M) methodology was used to measure time for activities happening on the day of vaccination. Consumables, wastage, and guardian time were also collected. Third, the time for each task and for all tasks combined during the T&M study was analyzed using a random intercept model to account for site effect. Hundred and twenty-three T&M observations with approximately 20 per site were collected and were equally stratified by vaccination visit during the first year of a baby's life. Total cost per visit was L11.9 (site range: L8.6-L17.0) when supply cost and time for activities prior to the vaccination day were included. Time per dose administrated was 7.1 min (site range: 5.7-9.2) and the associated cost was L4.3 (site range: L3.1-L6.2). The study demonstrates an accurate reflection of the time and cost involved in a vaccine dose administration in a pediatric setting in the UK. The amount measured is consistent with the current National Health Services fee schedule. PMID- 29208325 TI - Inhibitory effects of compound DMBT on hypoxia-induced vasculogenic mimicry in human breast cancer. AB - Breast cancer is one of the most serious malignant tumors that harm to women's health. Vasculogenic mimicry (VM) is an alternative type of blood supplement independent of endothelial vessels, which refers to the formation of tumor cell lined vessels and is associated with tumor invasion, metastasis and poor cancer patient prognosis. Prior antiangiogenic therapy just focused on vascular endothelial cells and did not significantly affect VM. DMBT, 6, 6'-bis (2, 3 dimethoxybenzoyl)-a, a-D-trehalose, has shown to have multiple anti-tumor invasion and metastasis activities; however the exact mechanism is not thoroughly elucidated. In this study, we examined key molecular mechanisms underlying VM by using breast cancer cells MDA-MB-231 and MCF-7. We found that following the hypoxia treatment, the cells were easily to form VM networks and DMBT could inhibit VM formation of both MDA-MB-231 and MCF-7 cells in hypoxic condition. When tumor cells exposed to hypoxia environment, the expression of VM related proteins such as HIF-1alpha, VE-cadherin, MMP-9, Cdc42, and EGFR, p-Akt, p-mTOR were increased but decreased when exposed to hypoxia medium with DMBT. In MDA-MB 231 cells, DMBT inhibit hypoxia-induced VM by suppress HIF-1alpha/VE cadherin/MMPs signaling pathway and in MCF-7 cells, DMBT had little effect on HIF 1alpha or VE-cadherin but could inhibit cell autophagy to suppress VM formation. These results suggested that DMBT could serve as a therapeutic agent to inhibit VM formation in human breast cancer. PMID- 29208326 TI - A review on the antagonist Ebola: A prophylactic approach. AB - Ebola virus (EBOV), a member of Filoviridae virus family under the genus Ebolavirus, has emerged as a dangerous and potential threat to human health globally. It causes a severe and deadly hemorrhagic fever in humans and other mammals, called Ebola Virus Disease (EVD). In recent outbreaks of EVD, there has been loss of large numbers of individual's life. Therefore, EBOV has attracted researchers and increased interests in developing new models for virus evolution, and therapies. The EBOV interacts with the immune system of the host which led to understand how the virus functions and effects immune system behaviour. This article presents an exhaustive review on Ebola research which includes EVD illness, symptoms, transmission patterns, patho-physiology conditions, development of antiviral agents and vaccines, resilient health system, dynamics and mathematical model of EBOV, challenges and prospects for future studies. PMID- 29208328 TI - Different approaches for identifying important concepts in probabilistic biomedical text summarization. AB - Automatic text summarization tools help users in the biomedical domain to acquire their intended information from various textual resources more efficiently. Some of biomedical text summarization systems put the basis of their sentence selection approach on the frequency of concepts extracted from the input text. However, it seems that exploring other measures rather than the raw frequency for identifying valuable contents within an input document, or considering correlations existing between concepts, may be more useful for this type of summarization. In this paper, we describe a Bayesian summarization method for biomedical text documents. The Bayesian summarizer initially maps the input text to the Unified Medical Language System (UMLS) concepts; then it selects the important ones to be used as classification features. We introduce six different feature selection approaches to identify the most important concepts of the text and select the most informative contents according to the distribution of these concepts. We show that with the use of an appropriate feature selection approach, the Bayesian summarizer can improve the performance of biomedical summarization. Using the Recall-Oriented Understudy for Gisting Evaluation (ROUGE) toolkit, we perform extensive evaluations on a corpus of scientific papers in the biomedical domain. The results show that when the Bayesian summarizer utilizes the feature selection methods that do not use the raw frequency, it can outperform the biomedical summarizers that rely on the frequency of concepts, domain-independent and baseline methods. PMID- 29208327 TI - Botulinum toxin A for patients with orofacial dystonia: prospective, observational, single-centre study. AB - The objective of this study was to demonstrate the efficacy of intramuscular botulinum toxin type A (BTX-A) as a method of controlling the symptoms of focal facial dystonia. A prospective, longitudinal, observational, pre-post (case series) single-centre study was conducted over a period of 3 months, involving 30 patients with focal dystonia. The patients were enrolled on a first-come, first served basis. For all patients, the abnormal movements were evaluated using the Abnormal Involuntary Movement Scale (AIMS). The AIMS results were recorded immediately before BTX-A injection (primary predictor variable) and after 3 months (the toxin reaches its maximum effect 2 weeks after injection, and the effect is maintained for 3 months). An improvement in AIMS score was the primary outcome variable. Treatment efficacy was evaluated using the Pearson correlation index with a level of significance of P<0.05. The average age of the study subjects was 70.9+/-12.7years (20 female, 10 male). The mean dose of BTX-A used was 27.4+/-20.5U. The mean improvement in AIMS score after treatment was 5.2+/ 4.2. A significant correlation was found between the dose applied and the reduction in AIMS score (P<0.05). BTX-A can be used in the treatment of focal dystonia and provides reproducible results. PMID- 29208329 TI - The Effects of Body Mass Index on Pain Control With Liposomal Bupivacaine in Hip and Knee Arthroplasty. AB - BACKGROUND: There is evidence to suggest that liposomal bupivacaine (LB) is an effective component of a multimodal pain regimen for total joint arthroplasty (TJA). Obesity has been associated with chronic pain following TJA. This study assessed whether early postoperative pain is affected by body mass index (BMI), and whether the standard LB dose has similar effects on obese vs nonobese patients. METHODS: A retrospective analysis of 2629 primary TJA over a 12-month period was conducted, with LB used in half of this group. Patients were further classified as nonobese (BMI < 30) or obese (BMI >= 30). Pain scores and narcotic use were recorded. Independent-sample t-tests were used for continuous variables and chi-squared analyses for categorical variables. A multivariate regression analysis was performed. RESULTS: Significantly less narcotic was required on postoperative days (POD) 0 and 1 in patients receiving LB compared to those who did not in both obese and nonobese patient groups. On POD 2, obese and nonobese patients had an increase in narcotic requirement, which was significant in obese patients. A regression analysis found that on POD 0 and POD 1, lack of LB use, obesity, and younger age were independently associated with increased narcotic use. CONCLUSION: While narcotic requirement of obese and nonobese patients decreased on POD 0 and POD 1 with initiation of LB at our institution, all patients demonstrated increased narcotic requirement on POD 2 which was statistically and clinically significant in obese patients. Further studies are needed to determine the optimal pain regimen in the growing obese population undergoing TJA. PMID- 29208330 TI - What Is the Impact of Advancing Age on the Outcomes of Total Hip Arthroplasty? AB - BACKGROUND: The global demand for total hip arthroplasty (THA) is increasing, underscoring its moniker as the "operation of the century." However, debate still exists as to whether the elderly who undergo the operation achieve the same outcomes as those younger. In this study, we sought to investigate the association between older age and the risks and benefits of THA. METHODS: In this study, we aimed to compare the risks and benefits of THA of those aged >=80 years vs those <80 years. We analyzed the physical status component of the Short-Form 12 Health Survey, complications within 12 months, all-cause mortality, length of hospital stay (LOS), and discharge to rehabilitation in 2457 cases of primary THA using multivariate modeling. RESULTS: There was no difference in improvement of those older vs the younger group in physical functioning. However, the older group had 2.87 times greater odds of experiencing a post-operative medical complication and 3.49 times the rate of all-cause mortality (P < .001). Additionally, the older group encountered an additional median 0.21-day increase in LOS and had 3.93 times greater odds of being discharged to rehabilitation rather than home (P < .001). We were unable to demonstrate any difference between groups in terms of post-operative surgical or wound-related complications. CONCLUSION: The elderly stand to gain equivalent benefits from THA as those younger in terms of physical functioning. However, this benefit needs to be balanced against the increased risk of post-operative medical complications, increased LOS, increased requirement for rehabilitation, and ultimately the increased risk of mortality. PMID- 29208331 TI - Autoimmune and medication-induced lymphadenopathies. AB - This article will provide a discussion of some common autoimmune disorders that could affect the lymph nodes and potentially mimic B and T-cell lymphomas. Some of these disorders are more characteristic of individuals in the pediatric age group (autoimmune lymphoproliferative syndrome, Kawasaki disease), while others present in older individuals (rheumatoid arthritis, lupus erythematosus, sarcoidosis). A common finding that groups all of these disorders together is the overall relative preservation of the architecture, a feature that can be particularly helpful to distinguish them from many B and T-cell lymphomas. Another area of interest, that will be discussed in this review, is the pathologic manifestations that can be present in lymph nodes secondary to medications. Such alterations range from 'reactive' forms of follicular, interfollicular or paracortical hyperplasia, to specific B and T-cell lymphoproliferative disorders (particularly documented in association with methotrexate and TNF-inhibitors). PMID- 29208332 TI - Severe aortic arch calcification predicts mortality in patients undergoing peritoneal dialysis: Response to methodological issues. PMID- 29208333 TI - The role of corticosteroid in septic shock patients: The authors reply. PMID- 29208334 TI - Factors influencing recurrent emergency department visits for epistaxis in the elderly. AB - OBJECTIVE: Our objective is to determine the risk factors associated with recurrent epistaxis requiring emergency department (ED) visits in the elderly. METHODS: We used a 5% national sample of Medicare data from January 2012 through December 2013. Our cohort included patients with a new diagnosis of epistaxis in the ED, defined as no epistaxis in the prior 12 months. We assessed the rates of ED visits for recurrent epistaxis in the 12 months following the incident visit. Our variables included demographics, geographic location, procedures performed during the incident visit and comorbidities. RESULTS: Out of the 4120 patients with incident epistaxis, 775 were readmitted with recurrent epistaxis within 12 months. 60% presented in the first 30days and 75% within 90 days. There was a significant increase in ED visits for patients over 75 years of age and in men compared to women. Recurrent ED visits for epistaxis was higher in patients with congestive heart failure, diabetes mellitus, and obstructive sleep apnea compared to those without these comorbidities. CONCLUSION: Additional ED visits for epistaxis are more common in the elderly and in males. Congestive heart failure, diabetes mellitus and obstructive sleep apnea were found to be independent risk factors. PMID- 29208335 TI - Fructose consumption and its impact on human health: Diet and risk of cardiovascular disease. PMID- 29208337 TI - "The Pink Cloud": Can Technology Curb Addiction. PMID- 29208336 TI - A framework for testing and comparing binaural models. AB - Auditory research has a rich history of combining experimental evidence with computational simulations of auditory processing in order to deepen our theoretical understanding of how sound is processed in the ears and in the brain. Despite significant progress in the amount of detail and breadth covered by auditory models, for many components of the auditory pathway there are still different model approaches that are often not equivalent but rather in conflict with each other. Similarly, some experimental studies yield conflicting results which has led to controversies. This can be best resolved by a systematic comparison of multiple experimental data sets and model approaches. Binaural processing is a prominent example of how the development of quantitative theories can advance our understanding of the phenomena, but there remain several unresolved questions for which competing model approaches exist. This article discusses a number of current unresolved or disputed issues in binaural modelling, as well as some of the significant challenges in comparing binaural models with each other and with the experimental data. We introduce an auditory model framework, which we believe can become a useful infrastructure for resolving some of the current controversies. It operates models over the same paradigms that are used experimentally. The core of the proposed framework is an interface that connects three components irrespective of their underlying programming language: The experiment software, an auditory pathway model, and task-dependent decision stages called artificial observers that provide the same output format as the test subject. PMID- 29208338 TI - Risky Behaviors of Mothers with Infants on Sudden Infant Death Syndrome in Turkey. AB - PURPOSE: Sudden infant death syndrome is the most common cause of death during the post-neonatal period. Factors such as sleeping position, bed sharing, pillow use, smoking during pregnancy and the breastfeeding period constitute risk factors for sudden infant death syndrome. This study aims to identify the risky behaviors of mothers with infants that may put their children at risk for sudden infant death syndrome. DESIGN AND METHODS: This is a cross-sectional, descriptive study. Data were collected using a questionnaire that was developed by the researchers. The questionnaire was filled out by 456 mothers who applied to the family health center between October 2014 and January 2015. RESULTS: The greatest risk factor is the infant's sleeping position. A total of 77.9% of the mothers put their babies in bed in a non-supine position; 65.8% used a pillow when they put their babies in bed, 52.9% used a soft mattress, and 28.5% shared their beds with their babies. Prone sleeping was more likely to occur when smoke was present in the home or a pillow was used. CONCLUSION: Nurses should notify families of the risky behaviors that can cause sudden infant death syndrome and plan appropriate nursing care. PMID- 29208339 TI - Comment on "Indoor terrestrial gamma dose rate mapping in France: A case study using two different geostatistical models" by Warnery et al. (J. Environ. Radioact. 2015, 139, 140-148). PMID- 29208340 TI - Different indicators for postprocedural mitral stenosis caused by single- or multiple-clip implantation after percutaneous mitral valve repair. AB - BACKGROUND: Postprocedural mitral stenosis (MS) is a main limitation for MitraClipTM (Abbot Vascular, Inc., Santa Clara, CA, USA) procedure. The purpose of this study was to detect the preprocedural predictors of high transmitral pressure gradient (TMPG) after MitraClipTM implantation, which indicated postprocedural mitral stenosis (MS). METHODS: We studied 79 patients who were implanted with MitraClipTM in our institute. Before the procedure, mitral valve orifice area (MVOA), and anterior-posterior (AP) and medial-lateral (ML) mitral annular diameters were measured at diastole using three-dimensional (3D) transesophageal echocardiography (TEE) data set. After the procedure, the mean TMPG was assessed using continuous-wave (CW) Doppler by periprocedural TEE. RESULTS: Preprocedural MVOA, and AP and ML diameter of left ventricular (LV) inflow orifices were larger in patients with mean TMPG <=4mmHg than in patients with TMPG >4mmHg after 1-and 2-clip implantation. The large MVOA and ML diameter of LV inflow orifice strongly correlated with the low TMPG after 1- and 2-clip implantation. As a result of the receiver operating characteristic curve analysis, the preprocedural MVOA predicted the low postprocedural TMPG more accurately than the ML diameter of LV inflow orifice after 1-clip implantation either in the degenerative or functional mitral regurgitation (MR) patients. After 2-clip implantation, however, the preprocedural ML diameter of LV inflow orifice predicted it more accurately than the MVOA in the degenerative and functional MR patients. CONCLUSIONS: 3D TEE derived MVOA predicts the postprocedural MS after 1-clip implantation, however, preprocedural ML diameter of LV inflow orifice is more useful to predict after 2-clip implantation. PMID- 29208341 TI - Hemodynamic correlates of nutritional indexes in heart failure. AB - BACKGROUND: Malnutrition in heart failure (HF) is related to altered intestinal function, which could be due to hemodynamic changes. We investigated the usefulness of novel nutritional indexes in relation to hemodynamic parameters. METHODS: We retrospectively analyzed 139 HF patients with reduced ejection fraction who underwent right heart catheterization. We investigated correlations between right side pressures and nutritional indexes, which include controlling nutritional (CONUT) score and geriatric nutritional risk index (GNRI). Receiver operating characteristic (ROC) curves were generated to investigate the prognostic accuracy of CONUT score and GNRI for a composite of death or HF hospitalization in 12 months. Logistic regression analysis was performed to investigate whether hemodynamic correlates were associated with malnutrition, which was defined based on CONUT sore or GNRI. RESULTS: Higher right side pressures were positively correlated with worse nutritional status according to CONUT score, but were negatively correlated with worse nutritional status according to GNRI. Area under ROC curve for the composite endpoint was 0.746 in CONUT score and 0.576 in GNRI. The composite endpoint occurred in 40% of CONUT score>=3 and in 11% of CONUT score<3 (p<0.001). These relationships were also investigated with GNRI (40% of GNRI<95 vs. 17% of GNRI>=95, p=0.002). In multivariate analysis, higher right atrial pressure was significantly associated with higher CONUT score, while no hemodynamic parameter was related to GNRI. CONCLUSIONS: CONUT score was associated with right side congestion, while no association between GNRI and right side congestion was noted. CONUT score had better predictive value than GNRI. PMID- 29208342 TI - Pediatric stroke related to Lyme neuroborreliosis: Data from the Swiss NeuroPaediatric Stroke Registry and literature review. AB - BACKGROUND: Cerebrovascular complications of Lyme neuroborreliosis (LNB) are poorly documented in the paediatric population. METHODS: We performed a retrospective analysis from prospectively registered cases of acute ischemic stroke (AIS) from the Swiss NeuroPaediatric Stroke Registry (SNPSR) from 2000 to 2015. Only cases with serologically confirmed LNB were included. In addition, a literature review on paediatric stroke cases secondary to Lyme neuroborreliosis in the same time frame was performed. RESULTS: 4 children out of 229 children with arterial ischemic childhood stroke and serologically confirmed LNB were identified in the SNPSR giving a global incidence of 1.7%. Median age was 9.9 years. A prior history of tick bites or erythema migrans (EM) was reported in two cases. Clinical presenting signs were suggestive of acute cerebellar/brainstem dysfunction. On imaging, three children demonstrated a stroke in the distribution of the posterior inferior cerebellar artery. The remaining fourth child had a "stroke-like" picture with scattered white matter lesions and a multifocal vasculitis with prominent basilar artery involvement. Lymphocytic pleocytosis as well as intrathecal synthesis of Borrelia burgdorferi antibodies were typical biological features. Acute intravenous third generation cephalosporins proved to be effective with rapid improvement in all patients. No child had recurrent stroke. Data from the literature concerning eight patients gave similar results, with prominent posterior circulation stroke, multifocal vasculitis and abnormal CSF as distinctive features. CONCLUSIONS: Lyme Neuroborreliosis accounts for a small proportion of paediatric stroke even in an endemic country. The strong predilection towards posterior cerebral circulation with clinical occurrence of brainstem signs associated with meningeal symptoms and CSF lymphocytosis are suggestive features that should rapidly point to the diagnosis. This can be confirmed by appropriate serological testing in the serum and CSF. Clinicians must be aware of this rare neurological complication of Lyme disease that demands specific antibiotic treatment. PMID- 29208343 TI - Single-center experience with intrathecal administration of Nusinersen in children with spinal muscular atrophy type 1. AB - BACKGROUND: Spinal muscular atrophy (SMA) is a neuromuscular disorder mainly characterized by proximal muscle weakness. There have been enormous advances in therapeutic development with the possibility to influence the clinical course of the disease. Nusinersen is the first approved drug to treat SMA. It is administered intrathecally and acts as splicing modifier of the SMN2 gene. METHODS: Lumbar punctures were performed using a standardized protocol. To evaluate safety and feasibility of the intrathecal treatment, vital signs and the need for sedation, analgesia or mechanical ventilation during the procedure were monitored. Furthermore, the number of puncture attempts, the injection site and the macroscopic appearance of cerebrospinal fluid were documented. RESULTS: Treatment with Nusinersen was initiated in 20 children aged from 2 to 50 months. Administration of a local anesthetic cream on the puncture site and a peripheral analgesic led to an adequate pain management. We observed a beneficial distraction through the possibility to watch a movie or listen to music during the procedure. In some cases, an additional sedation was necessary. In patients accustomed to non-invasive ventilation, this was used during lumbar punctures. On average, 1.5 +/- 1.0 puncture attempts were performed between L 4/5 and L 2/3. If required, the position of the medullary cone was identified by ultrasound to guarantee a safe puncture above L 3/4. CONCLUSIONS: Lumbar punctures for intrathecal administration of Nusinersen could be performed without any relevant complications. With the described approach lumbar punctures were tolerated well in all investigated age groups. PMID- 29208344 TI - Characteristic diversity and antimicrobial resistance of Salmonella from gastroenteritis. AB - Salmonella is a leading cause of foodborne disease worldwide and may cause to gastroenteritis. The aim of this study was to determine the prevalence, serotypes, virulence genes, molecular subtyping, and antibiotic resistance phenotype of Salmonella from gastroenteritis in Hubei, China. Of 500 patients stools samples collected from January 2015 to January 2016, 52 (10.40%) samples were contaminated by Salmonella. The results showed that most of the isolates were positive for eight virulence genes that appear on pathogenicity islands, prophages, plasmid, and fimbrial. A total of twelve serotypes were found. Antimicrobial susceptibility results indicated that most strains were resistant to ampicillin (57.69%), kanamycin (53.85%), and tetracycline (40.38%). There were 33 STs on MLST types, and were grouped into two clusters. Thus, our findings provided insights into the dissemination of antibiotic resistant strains, genetic diversity, and improved our knowledge of microbiological risk assessment in Salmonella from gastroenteritis. PMID- 29208345 TI - Multi-class parkinsonian disorders classification with quantitative MR markers and graph-based features using support vector machines. AB - BACKGROUND AND PURPOSE: In this study we attempt to automatically classify individual patients with different parkinsonian disorders, making use of pattern recognition techniques to distinguish among several forms of parkinsonisms (multi class classification), based on a set of binary classifiers that discriminate each disorder from all others. METHODS: We combine diffusion tensor imaging, proton spectroscopy and morphometric-volumetric data to obtain MR quantitative markers, which are provided to support vector machines with the aim of recognizing the different parkinsonian disorders. Feature selection is used to find the most important features for classification. We also exploit a graph based technique on the set of quantitative markers to extract additional features from the dataset, and increase classification accuracy. RESULTS: When graph-based features are not used, the MR markers that are most frequently automatically extracted by the feature selection procedure reflect alterations in brain regions that are also usually considered to discriminate parkinsonisms in routine clinical practice. Graph-derived features typically increase the diagnostic accuracy, and reduce the number of features required. CONCLUSIONS: The results obtained in the work demonstrate that support vector machines applied to multimodal brain MR imaging and using graph-based features represent a novel and highly accurate approach to discriminate parkinsonisms, and a useful tool to assist the diagnosis. PMID- 29208346 TI - Advancing the GI frontier for patients with CF. PMID- 29208347 TI - Usefulness of bandage contact lenses in the immediate postoperative period after uneventful myopic LASIK. AB - PURPOSE: To determine the usefulness of a silicone-hydrogel bandage contact lens (BCL) in the immediate postoperative period after uneventful myopic laser in-situ keratomileusis (LASIK). METHODS: The study design was randomized but not masked and data collection was prospective. This study comprised 51 consecutive myopic eyes intervened by means of the LASIK technique to compensate their refractive error. Patients were randomly assigned to two different groups. The experimental group included 24 eyes of 12 patients that were fitted with a BCL immediately after the flap replacement. The control group included 27 eyes of 14 patients with no BCL. Patients were examined 24h after the surgery; the experimental group was analyzed immediately after the extraction of the BCL. Postoperative uncorrected distance visual acuity (UDVA) and postoperative topographic indexes were compared to baseline in both groups. RESULTS: The experimental group achieved worse results in the majority of the studied variables. Postoperative UDVA was worse in experimental group (p<0.01). Likewise, corneal asphericity (Q) was significantly higher in experimental group (p=0.024). Topographic indexes showed higher asymmetry in the corneal maps pertaining to experimental group. Specifically, the index of surface variance (ISV) (p=0.017) and index of vertical asymmetry (IVA) (p=0.031) were higher in experimental group. Also, the postoperative central corneal thickness (CCT) resulted in higher values for eyes pertaining to experimental group. CONCLUSIONS: The fitting of a silicone-hydrogel BCL after uneventful LASIK provokes morphological changes in the ocular structures that may lead to a worse UDVA secondary to a higher postoperative CCT and corneal edema. PMID- 29208348 TI - Nuclear migration in mammalian brain development. AB - During development of the mammalian brain, neural stem cells divide and give rise to adult stem cells, glia and neurons, which migrate to their final locations. Nuclear migration is an important feature of neural stem cell (radial glia progenitor) proliferation and subsequent postmitotic neuronal migration. Defects in nuclear migration contribute to severe neurodevelopmental disorders such as microcephaly and lissencephaly. In this review, we address the cellular and molecular mechanisms responsible for nuclear migration during the radial glia cell cycle and postmitotic neuronal migration, with a particular focus on the role of molecular motors and cytoskeleton dynamics in regulating nuclear behavior. PMID- 29208349 TI - Re: "Management of Atherosclerotic Carotid and Vertebral Disease: 2017 Clinical Practice Guidelines of the European Society for Vascular Surgery (ESVS)". PMID- 29208351 TI - Detection radius of EMG for fasciculations: Empiric study combining ultrasonography and electromyography. AB - OBJECTIVE: The aims of this study were to investigate the detection radius and sensitivity of EMG for fasciculations. METHODS: Muscle ultrasonography was performed simultaneously to EMG recordings in patients with fasciculations in the context of amyotrophic lateral sclerosis. Ultrasonography and EMG parameters were analyzed for selected fasciculations. RESULTS: A total of 381 fasciculations were detected by ultrasonography in 18 muscles of 10 patients. Out of these, 125 (33%) were EMG-negative. In contrast, none of the fasciculations detected by EMG were ultrasonography-negative. EMG detection probability decreased significantly with increasing distance from the center of the fasciculation. EMG detection rate was 98% when the EMG needle was located within the fasciculation and 50% at 7.75 mm distance from the fasciculation center. In addition, EMG detection depended significantly on cross-sectional area of the fasciculation and presence of neurogenic changes. CONCLUSIONS: For detecting the same fasciculations, EMG is less sensitive than ultrasonography. EMG detection probability decreases sharply at a distance comparable to motor unit size. SIGNIFICANCE: These results extend previous knowledge about superior sensitivity of ultrasonography for fasciculations. Moreover, our novel bimodal detection method provides first in vivo data about the EMG detection radius for fasciculations in a clinical setting. PMID- 29208350 TI - Efficient Differentiation of Bone Marrow Mesenchymal Stem Cells into Endothelial Cells in Vitro. AB - OBJECTIVE: Endothelial cells (ECs) play an important role in neovascularisation, but are too limited in number for adequate therapeutic applications. Mesenchymal stem cells (MSCs) have the potential to differentiate into endothelial lineage cells, which makes them attractive candidates for therapeutic angiogenesis. The aim of this study was to investigate efficient differentiation of MSCs into ECs by inducing medium in vitro. METHODS: MSCs were isolated from bone marrow by density gradient centrifugation. The characterisation of the MSCs was determined by their cluster of differentiation (CD) marker profile. Inducing medium containing vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), insulin like growth factor (IGF), epidermal growth factor (EGF), ascorbic acid, and heparin was applied to differentiate the MSCs into ECs. Endothelial differentiation was quantitatively evaluated using flow cytometry. Real time quantitative PCR (qRT-PCR) was used to analyse mRNA expression of endothelial markers. Tube formation assay was further performed to examine the functional status of the differentiated MSCs. RESULTS: Flow cytometry analysis demonstrated that CD31+ and CD34+ cells increased steadily from 12% at 3 days, to 40% at 7 days, and to 60% at 14 days. Immunofluorescence staining further confirmed the expression of CD31 and CD34. qRT-PCR showed that expression of von Willebrand factor (vWF), vascular endothelial cadherin (VE-cadherin) and vascular endothelial growth factor receptor-2 (VEGFR-2) were significantly higher in the induced MSCs group compared with the uninduced MSCs group. The functional behavior of the differentiated cells was tested by tube formation assay in vitro on matrigel. Induced MSCs were capable of developing capillary networks, and progressive formation of vessel like structures was associated with increased EC population. CONCLUSIONS: These results provide a method to efficiently promote differentiation of MSCs into ECs in vitro for potential application in the treatment of peripheral arterial disease. PMID- 29208352 TI - Multicentre study of the impact of factors that may affect long-term survival following pancreaticoduodenectomy for distal cholangiocarcinoma. AB - BACKGROUND: Although the peri-operative mortality following pancreaticoduodenectomy (PD) for distal cholangiocarcinoma (DCC) has decreased, the post-operative morbidity remains high. The aim of this study was to evaluate the impact of factors that may affect the long term survival for patients with DCC following PD. METHODS: All patients who underwent PD for DCC between January 2000 and December 2015 in 5 tertiary referral centers underwent retrospective medical record review. Factors likely to influence overall (OS) and disease-free (DFS) survivals were assessed by univariate and multivariate analysis. RESULTS: A total of 201 on 217 patients who underwent PD for DCC were included for further analysis. The median OS was 39 months, with actuarial survival rates at 1, 3, and 5 years of 85%, 53% and 39%. Recurrence occurred in 123 (61%) patients. The median DFS was 16 months, with actuarial survival rates at 1, 3 and 5 years of 60%, 37% and 28%. Following multivariate analysis, peri-operative blood transfusions (PBT) were associated to worse OS (HR = 2.25 [1.31-3.85], P = 0.003) and DFS (HR = 2.08 [1.24-3.5], P = 0.005). CONCLUSION: This study confirms the negative impact of PBT on the oncologic result following PD for DCC. PMID- 29208353 TI - AtMMS21: Connecting DNA Repair and Root Development. AB - Two recent reports show that SUMO ligase AtMMS21 controls the cell cycle through dissociating the E2Fa/DPa complex, and regulates chromatin remodeling by maintaining the stability of BRAHMA. We discuss these novel functions of AtMMS21 and its potential role in linking DNA repair and root development. PMID- 29208355 TI - Usage of Prophylactic Cranial Irradiation in Elderly Patients With Small-cell Lung Cancer. AB - BACKGROUND: Prophylactic cranial irradiation (PCI) reduces the risk of overt brain metastases in patients with small-cell lung cancer (SCLC) and is currently recommended in guidelines for both limited and extensive disease. Given the concerns about the greater frequency of neurologic side effects in elderly patients, we studied the association among age, PCI usage, and survival for SCLC patients in the Netherlands. PATIENTS AND METHODS: Data from the Netherlands Cancer Registry for patients diagnosed with SCLC from 2009 to 2013 were queried. Separate analyses were performed for patients with stage I to III, treated with chemoradiotherapy (n = 1684) and patients with stage IV, treated with chemotherapy or chemoradiotherapy (n = 3481). Patients with brain metastasis at diagnosis were excluded. RESULTS: For patients with stage I to III, the overall PCI usage rate was 74%, and the rate decreased with age, from 78% for patients aged 18 to 59 years to 66% for patients aged >= 80 years. For patients with stage IV, the overall PCI usage rate was 41% and decreased with age, from 46% for patients aged 18 to 59 years to 23% for patients aged >= 80 years. Gender and socioeconomic status did not affect the PCI rates. For patients aged < 70 years and treated with PCI, the median survival was 45, 24, and 12 months for stage I and II, III, and IV, respectively. For patients aged >= 70 years treated with PCI, the corresponding survival duration was 33, 17, and 10 months. CONCLUSION: In the Dutch population, PCI usage rates were fairly high but were significantly lower for elderly patients. PMID- 29208354 TI - More Than a "Number": Perspectives of Prenatal Care Quality from Mothers of Color and Providers. AB - INTRODUCTION: African American mothers and other mothers of historically underserved populations consistently have higher rates of adverse birth outcomes than White mothers. Increasing prenatal care use among these mothers may reduce these disparities. Most prenatal care research focuses on prenatal care adequacy rather than concepts of quality. Even less research examines the dual perspectives of African American mothers and prenatal care providers. In this qualitative study, we compared perceptions of prenatal care quality between African American and mixed race mothers and prenatal care providers. METHODS: Prenatal care providers (n = 20) and mothers who recently gave birth (n = 19) completed semistructured interviews. Using a thematic analysis approach and Donabedian's conceptual model of health care quality, interviews were analyzed to identify key themes and summarize differences in perspectives between providers and mothers. FINDINGS: Mothers and providers valued the tailoring of care based on individual needs and functional patient-provider relationships as key elements of prenatal care quality. Providers acknowledged the need for knowing the social context of patients, but mothers and providers differed in perspectives of "culturally sensitive" prenatal care. Although most mothers had positive prenatal care experiences, mothers also recalled multiple complications with providers' negative assumptions and disregard for mothers' options in care. CONCLUSIONS: Exploring strategies to strengthen patient-provider interactions and communication during prenatal care visits remains critical to address for facilitating continuity of care for mothers of color. These findings warrant further investigation of dual patient and provider perspectives of culturally sensitive prenatal care to address the service needs of African American and mixed race mothers. PMID- 29208356 TI - Practice Patterns and Outcomes in Elderly Stage I Non-Small-cell Lung Cancer: A 2004 to 2012 SEER Analysis. AB - BACKGROUND: We reviewed the population-based treatment patterns and outcomes for elderly patients with stage I non-small-cell lung cancer (NSCLC) treated from 2004 to 2012. PATIENTS AND METHODS: Using the Surveillance, Epidemiology, and End Results (SEER) database, we identified biopsy-proven stage I NSCLC cases diagnosed from 2004 to 2012. The patients were divided into 5-year age subsets (60-64, 65-69, 70-74, 75-79, 80-84, 85-89, and >= 90 years). The demographic data, therapy, and survival were compared by year. Trends in overall survival (OS), cancer-specific survival (CSS), and practice patterns were analyzed. RESULTS: A total of 62,213 cases were identified. The use of surgery declined sharply with age. Patients aged 60 to 64 years had a surgical rate of 81% compared with 21% for those aged >= 90 years (P < .0001). Radiation use increased (from 11% to 39%; P < .0001), as did the receipt of neither surgery nor radiation (from 7% to 40%; P < .0001). When analyzing the annual trends, radiation use increased, with fewer patients forgoing treatment from 2004 to 2012 (P < .0001). From 2004 to 2011, CSS at 2 years improved significantly for patients treated with radiation alone (from 48% to 72%; P < .0001) and more subtly for those receiving surgery alone (from 87% to 91%; P < .0001). The outcomes were stable for those receiving neither surgery nor radiation (38% to 45%; P = NS). Surgical outcomes declined with advancing age (P < .0001); however, the radiation outcomes did not (P = NS). CONCLUSION: With advancing age, radiation replaces surgery as the most used treatment for early-stage NSCLC. OS and CSS have improved significantly for elderly stage I NSCLC patients treated with radiation alone during a timeline concurrent with the widespread adoption of stereotactic body radiation therapy. Dedicated prospective studies are indicated, because these findings are limited by the inherent biases of using the SEER database alone. PMID- 29208357 TI - Differential expression of IGFBPs in Laron syndrome-derived lymphoblastoid cell lines: Potential correlation with reduced cancer incidence. AB - Laron syndrome (LS), or primary growth hormone (GH) insensitivity, is a growth disorder that results from mutation of the GH-receptor (GHR) gene leading to congenital insulin-like growth factor-1 (IGF-1) deficiency. Recent epidemiological studies have shown that LS patients are protected from cancer development. Genome-wide profiling identified genes and signaling pathways that are differentially represented in LS patients, and that may contribute to cancer protection. The present study was aimed at evaluating the hypothesis that IGF binding proteins (IGFBPs) are differentially expressed in LS, most probably as a result of low circulating levels of IGF-1. Furthermore, we postulated that IGFBPs might be differentially regulated by oxidative stress in this condition and, therefore, may contribute to cancer evasion. Our results show that IGFBP-3, which is predominantly protective, was highly expressed in LS-derived lymphoblastoid cells in comparison to control cells from the same ethnic group. On the other hand, levels of IGFBP-2, -4, -5, and -6 were diminished in LS patients, as demonstrated by RQ-PCR, Western immunoblots and confocal immunofluorescence. In addition, our data provide evidence for a pattern of IGFBP response to H2O2 treatment that might be associated with distinct expression of apoptosis markers (BCL2, pro-caspase-9, pro-caspase-3) in LS. In summary, differential expression of specific IGFBPs in LS might be correlated with cellular mechanisms underlying cancer protection and, probably, additional phenotypes due to congenital IGF-1 deficiency. PMID- 29208358 TI - Effect of (-)-epicatechin, a flavonoid on the NO and NOS activity of Raillietina echinobothrida. AB - (-)-Epicatechin, a natural flavonoid reportedly has huge pharmacological properties. In this study the cestocide effect of (-)-epicatechin is demonstrated in Raillietina echinobothrida. Although the antiparasitic activity of (-) epicatechin has been demonstrated against protozoa, helminths and ectoparasites, in the present study the cestocide activity of (-)-epicatechin is shown to be related to a decrease in nitric oxide synthase (NOS) activity and nitric oxide (NO) production. On exposure to 0.53mg/ml each of epicatechin, reference drug praziquantel and O Nitro-l- Arginine Methyl Ester (NOS inhibitor), the parasites attained paralysis at 10.15, 0.27 and 11.21h followed by death at 30.15, 1.21 and 35.18h respectively. Biochemical analysis showed a significant decrease in activity of NOS (57.360, 36.040 and 44.615%) and NO (41.579, 19.078 and 24.826%) in comparison to the controls. NADPH-diaphorase histochemical staining (a selective marker for NOS in neuronal tissue) demonstrated a pronounced decline in the visible staining activity in the tegument, subtegument and the peripheral nerve regions following exposure to the treatments. Strong binding affinity of ( )-epicatechin with NOS protein was also revealed through docking studies. The results strongly define the probable anthelmintic activity of our compound through its influence on the NOS activity. PMID- 29208359 TI - Aminoguanidine hydrazones (AGH's) as modulators of norfloxacin resistance in Staphylococcus aureus that overexpress NorA efflux pump. AB - One of the promising fields for improving the effectiveness of antimicrobial agents is their combination with efflux pump inhibitors (EPIs), which besides expanding the use of existing antibiotics. The goal of this research was to evaluate a series of aminoguanidine hydrazones (AGH's, 1-19) as antibacterial agents and NorA efflux pump inhibitors in Staphylococcus aureus strain SA-1199B. Molecular modeling and docking studies were also performed in order to explain at the molecular level the interactions of the compounds with the generated NorA efflux pump model. The MICs of the antibiotic and ethidium bromide were determined by microdilution assay in absence or presence of a subinhibitory concentration of aminoguanidine hydrazones and macrophages viability was determined through MTT assay. Bioinformatic software Swiss-Model and AutoDock 4.2 were used to perform modeling and docking studies, respectively. As results, all AGH's were able to potentiate the action for the antibiotic norfloxacin, causing MIC's reduction of 16-fold and 32-fold to ethidium bromide. In the cell viability test, the concentration of 10 MUg/mL showed better results than 90% and the concentration of 1000 MUg/mL showed the lowest viability, reaching a maximum of 50% for the analyzed aminoguanidine hydrazones. Molecular docking studies showed that both norfloxacin and derivative 13 were recognized by the same binding site of NorA pump, suggesting a competitive mechanism. The present work demonstrated for the first time that AGH derivatives have potential to be putative inhibitors of NorA efflux pump, showing a promising activity as an antibacterial drug development. PMID- 29208361 TI - Bifurcations and global dynamics in a toxin-dependent aquatic population model. AB - The study of effects of environmental toxins on ecosystems is of great interest from both environmental and conservation points of view. In this paper, we present a global stability and bifurcation analysis of a toxin-dependent aquatic population model. Our analytical and numerical results show that both the environmental toxin level and the depuration capability of the population significantly affect the population persistence. The model exhibits a multifarious array of dynamics. While low levels of external toxin allow population persistence and high levels of toxin lead to an extirpation, intermediate toxin concentrations can produce very rich dynamics, such as transient oscillations, hysteresis, heteroclinic orbits, and a codimension-two bifurcation. In particular, a regime of bistability exists where the population is doomed to extinction or survival, depending on initial state of the system. As a practical implication of our study, the toxic effects of methylmercury on rainbow trout are scrutinized. The theory developed here provides a sound theoretical foundation for understanding the population effects of toxicity. PMID- 29208360 TI - The influence of soluble fragments of extracellular matrix (ECM) on tumor growth and morphology. AB - A major challenge in matrix-metalloproteinase (MMP) target validation and MMP inhibitor-drug development for anti-cancer clinical trials is to better understand their complex roles (often competing with each other) in tumor progression. While there is extensive research on the growth-promoting effects of MMPs, the growth-inhibiting effects of MMPs has not been investigated thoroughly. So we develop a continuum model of tumor growth and invasion including chemotaxis and haptotaxis in order to examine the complex interaction between the tumor and its host microenvironment and to explore the inhibiting influence of the gradients of soluble fragments of extracellular matrix (ECM) density on tumor growth and morphology. Previously, it was shown both computationally (in one spatial dimension) and experimentally that the chemotactic pull due to soluble ECM gradients is anti-invasive, contrary to the traditional view of the role of chemotaxis in malignant invasion [1]. With two-dimensional numerical simulation and using a level set based tumor-host interface capturing method, we examine the effects of chemotaxis on the progression and morphology of a tumor growing in nutrient-rich and nutrient-poor microenvironments which was not investigated before. In particular we examine how the geometry of the growing tumor is affected when placed in different environments. We also investigate the effects of varying ECM degradation rate, the production rate of matrix degrading enzymes (MDE), and the conversion of ECM into soluble ECM. We find that chemotaxis due to ECM-fragment gradients strongly influences tumor growth and morphology, and that the instabilities caused by tumor cell proliferation and haptotactic movements can be prevented if chemotaxis is sufficiently strong. The influence of chemotaxis and the above factors on tumor growth and morphology are found to be more prominent in nutrient-poor environments than in nutrient-rich environments. So we extend our investigations of these antinvasive chemotactic influences by examining the effects of cell-cell and cell-ECM adhesion and low proliferation rate for tumors growing in low-nutrient environments. We find that as the extent of chemotaxis increases, the effects of adhesion on tumor growth and shape become negligible. Under conditions of low cell mitosis, chemotaxis may cause the tumor to shrink, as the extent of chemotaxis increases. Both stable and unstable tumor shrinkage are predicted by our model. Unexpectedly, in some cases chemotaxis may contribute toward developing instability where haptotaxis alone induces stable growth. PMID- 29208362 TI - Feminizing effects of exposure to Corexit-enhanced water-accommodated fraction of crude oil in vitro on sex determination in Alligator mississippiensis. AB - Deepwater Horizon spilled over 200 million gallons of oil into the waters of the Gulf of Mexico in 2010. In an effort to contain the spill, chemical dispersants were applied to minimize the amount of oil reaching coastal shorelines. However, the biological impacts of chemically-dispersed oil are not well characterized, and there is a particular lack of knowledge concerning sublethal long-term effects of exposure. This study examined potential estrogenic effects of CWAF, Corexit 9500-enhanced water-accommodated fraction of oil, by examining its effect on estrogen receptors and sex determination in the American alligator, Alligator mississippiensis. The alligator exhibits temperature-dependent sex determination which is modulated by estrogen signals, and exposure to 17beta-estradiol (E2) and estrogenic compounds in ovo during the thermosensitive period of embryonic development can induce ovarian development at a male-producing temperature (MPT). CWAF induced transactivation up to 50% of the maximum induction by E2 via alligator estrogen receptors in vitro. To determine potential endocrine disrupting effects of exposure directly on the gonad, gonad-adrenal-mesonephric (GAM) organ complexes were isolated from embryos one day prior to the thermosensitive period and exposed to E2, CWAF, or medium alone in vitro for 8-16 days at MPT. Both CWAF and E2 exposure induced a significant increase in female ratios. CWAF exposure suppressed GAM mRNA abundances of anti-Mullerian hormone (AMH), sex determining region Y-box 9, and aromatase, whereas E2 exposure suppressed AMH and increased Forkhead box protein L2 mRNA abundances in GAM. These results indicate that the observed endocrine-disrupting effects of CWAF are not solely estrogenically mediated, and further investigations are required. PMID- 29208363 TI - The UK Paediatric Familial Hypercholesterolaemia Register: Statin-related safety and 1-year growth data. AB - BACKGROUND: For children with familial hypercholesterolemia (FH), UK guidelines recommend consideration of statin therapy by age 10 years and dietary and lifestyle advice to maintain an ideal body weight. OBJECTIVES: The objective of the study is to use the UK Paediatric Familial Hypercholesterolemia Register to determine: (1) the prevalence of plasma markers of liver toxicity and muscle damage in statin-treated FH children; (2) the prevalence of obesity in FH children compared to the UK general population; and (3) to compare growth rates in statin-treated and nontreated children. METHODS: Differences in registration and 1-year characteristics were compared by Mann-Whitney U tests. Age and gender body mass index percentiles were compared to UK children's growth charts. RESULTS: In 300 children (51% boys, 75% Caucasian, untreated mean [standard deviation] low-density lipoprotein cholesterol 5.50 [1.49] mmol/L), the proportion on statins varied significantly (P < .005) by age group (<5 years = 0%, 5-10 years = 16.7%, 10-15 years = 57.1%, and >15 years = 73.2%). Statin treatment reduced low-density lipoprotein cholesterol by 31% (1.84 [1.43] mmol/L), and no child showed elevated levels of markers of liver toxicity or muscle damage. At registration, 16.9% of the FH children were overweight (>85th percentile) and 11.1% were obese (>95th percentile) vs reported in 21.2% in UK non-FH children. There was no difference in annual growth rate in statin vs no statin groups (age-adjusted weight increases 3.58 vs 3.53 kg; P = .91, height 4.45 vs 4.60 cm P = .73). CONCLUSIONS: We show no evidence for statin-related safety or growth issues, but many FH children over the age of 10 years are not on statin treatment. Fewer UK children with FH are obese compared to UK non-FH children. PMID- 29208364 TI - Dopamine promotes cellular iron accumulation and oxidative stress responses in macrophages. AB - Iron is essential for many biological functions including neurotransmitter synthesis, where the metal is a co-factor of tyrosine hydroxylase, which converts tyrosine to dopamine and further to norepinephrine. As the shared chemical structure, called catechol, may potentially bind iron we questioned whether tyrosine derived hormones would impact on cellular iron homeostasis in macrophages, which are central for the maintenance of body iron homeostasis. Using murine bone marrow-derived macrophages (BMDMs), we investigated the effect of catecholamines and found that only dopamine but neither tyrosine, nor norepinephrine, affected cellular iron homeostasis. Exposure of macrophages to dopamine increased the uptake of non-transferrin bound iron into cells. The expansion of intracellular iron upon dopamine treatment resulted in oxidative stress responses as evidenced by increased expression of nuclear factor erythroid 2-related factor (Nrf2) and hypoxia inducible factor-1alpha. As a consequence, the transcriptional expression of stress response genes such as heme oxygenase-1 and the iron export protein ferroportin1 were significantly increased. Genetic deletion of Nrf2 abolished these effects of dopamine. Dopamine directly affects cellular iron homeostasis by increasing iron incorporation into macrophages and subsequently promoting intracellular oxidative stress responses. Our observations are of interest for disorders involving dopamine and iron dyshomeostasis such as Parkinson's disease and restless legs syndrome, partly enlightening the underlying pathology or the therapeutic efficacy of dopamine agonists to overcome neuronal iron deficiency. PMID- 29208365 TI - Targeting PI3K, mTOR, ERK, and Bcl-2 signaling network shows superior antileukemic activity against AML ex vivo. AB - Acute myeloid leukemia (AML) remains challenging to treat and needs more effective treatments. The PI3K/mTOR pathway is involved in cell survival and has been shown to be constitutively active in 50-80% of AML patients. However, targeting the PI3K/mTOR pathway results in activation of the ERK pathway, which also plays an important role in cell survival. In addition, AML cells often overexpress antiapoptotic Bcl-2 family proteins (e.g., Bcl-2), preventing cell death. Thus, our strategy here is to target the PI3K, mTOR (by VS-5584, a PI3K and mTOR dual inhibitor), ERK (by SCH772984, an ERK-selective inhibitor), and Bcl 2 (by ABT-199, a Bcl-2-selective inhibitor) signaling network to kill AML cells. In this study, we show that while inhibition of PI3K, mTOR, and ERK showed superior induction of cell death compared to inhibition of PI3K and mTOR, the levels of cell death were modest in some AML cell lines and primary patient samples tested. Although simultaneous inhibition of PI3K, mTOR, and ERK caused downregulation of Mcl-1 and upregulation of Bim, immunoprecipitation of Bcl-2 revealed increased binding of Bim to Bcl-2, which was abolished by the addition of ABT-199, suggesting that Bim was bound to Bcl-2 which prevented cell death. Treatment with combined VS-5584, SCH772984, and ABT-199 showed significant increase in cell death in AML cell lines and primary patient samples and significant reduction in AML colony formation in primary patient samples, while there was no significant effect on colony formation of normal human CD34+ hematopoietic progenitor cells. Taken together, our findings show that inhibition of PI3K, mTOR, and ERK synergistically induces cell death in AML cells, and addition of ABT-199 enhances cell death further. Thus, our data support targeting the PI3K, mTOR, ERK, and Bcl-2 signaling network for the treatment of AML. PMID- 29208366 TI - Keto-adaptation enhances exercise performance and body composition responses to training in endurance athletes. PMID- 29208367 TI - The role of EpCAM in tumor progression and the clinical prognosis of endometrial carcinoma. AB - OBJECTIVE: EpCAM is a transmembrane glycoprotein that functions as an epithelial marker in endometrial tissues. However, the correlation between EpCAM and endometrial carcinoma (EC) is not clear. METHODS: This study investigated the association between EpCAM and EC. Immunohistochemistry staining and bioinformatics analysis disclosed the clinical importance of low EpCAM expression. The migratory ability of cells expressing low EpCAM levels was studied in transwell invasion assays in vitro and an orthotopic intra-uterine tumor injection model in vivo. The Connectivity MAP was used to identify drugs that effectively inhibit cells with low EpCAM expression. RESULTS: According to immunohistochemistry analysis results, low EpCAM expression was associated with an advanced stage and lymph node metastasis in patients with endometrioid EC, and high EpCAM expression favored survival. EpCAM silencing promoted cell invasion, and EpCAM re-expression in EpCAM-silenced EC cells attenuated their invasiveness. EpCAM suppression in an orthotopic uterine implantation model promoted the lymph node metastasis of EC cells. According to quantitative PCR and promoter reporter analyses, estrogen receptor alpha signaling regulated EpCAM expression by enhancing its promoter activity. As shown in the Connectivity MAP analysis, transamin inhibited the invasiveness of EpCAM-silenced EC cells. CONCLUSIONS: The loss of EpCAM may increase the malignancy of EC, and these findings provide new insights into the prognostic role of EpCAM in patients with EC. PMID- 29208368 TI - The end of life costs for Medicare patients with advanced ovarian cancer. AB - OBJECTIVE: To describe the Medicare payments at the end of life for patients with advanced ovarian cancer, and assess factors responsible for payment variation METHODS: Using the linked Surveillance, Epidemiology and End Results (SEER) Medicare database, we identified a cohort of women with stage III/IV epithelial ovarian cancer diagnosed between 1995 and 2007. We defined the end of life as the last 90days prior to death. Total medical costs were estimated from overall Medicare payments, and adjusted for geography and for inflation to the 2009 U.S. dollar. A generalized linear regression was performed to assess factors associated with variability in cost. RESULTS: Of 5509 patients, 78.9% died from ovarian cancer. In the 90days prior to death, 65.2% of patients had an inpatient admission, 53.7% received chemotherapy, 19.3% had a palliative procedure, and 62.5% had hospice services. The mean total payment per patient in the last 90days of life was $24,073 (range 0-$484,119) over the study time period. The mean cost of inpatient admissions was $14,529 (range 0-$483,932). On a multivariate analysis, costs at the end of life did not vary based on length of patient survival (p=0.77). Factors associated with significantly increased costs in the last 90days of life were medical comorbidity, chemotherapy, time spent as an inpatient, and admissions associated with emergency room visits. CONCLUSIONS: Reducing the prescription of chemotherapy and increasing the use of hospice services for ovarian cancer patients at the end of life will aid in lowering costs. PMID- 29208370 TI - Design and development of a manual pump for bolus enteral nutrition. AB - INTRODUCTION: Enteral nutrition (EN) is based on administration of liquid solutions into the gastrointestinal tract using a tube. After identifying unsolved practical difficulties in administration of EN using volume syringes, a new device to overcome such technical difficulties was proposed. MATERIAL AND METHODS: Specific technologies (CAD, 3D printing) were used in collaboration with the PRODINTEC Foundation (Gijon, Asturias). Clarke Modet, a law firm specialized in intellectual property, provided legal advice on formulas for legal protection of the invention. RESULTS AND DISCUSSION: The resulting device is a manual pump for infusion of EN to patients that solves previously identified problems and is highly functional and compact. It would allow for comfortable and safe administration of solutions. Integration of a bottle into the device itself and pump dimensions facilitate transport and patient mobility. According to the described configuration, this invention has many advantages over the previously known procedures, such as a simpler administration within the field of intermittent EN, improving the standard nutritional support technique, which in this case is use of volume syringes. This would facilitate the work of caregivers while promoting patient self-care and autonomy. The pump was accredited novelty of design, inventive activity and industrial exploitation potential by the European Patent Office (EPO), to which a patent has been requested. PMID- 29208369 TI - Prophylactic 3-hour graduated infusion schedule minimizes risk of carboplatin hypersensitivity reactions - A prospective study. AB - OBJECTIVE: Aim of this study was observation of hypersensitivity reaction (HSR) frequency by using a 3-hour graduated infusion protocol with appropriate premedication as a prophylactic measure in patients with gynecological cancer receiving carboplatin retreatment in second line or above. None of the patients had experienced HSRs to platinum previously. METHOD: All the patients in this study received premedication with corticosteroids and anti-histamines followed by carboplatin as 3-hour graduated infusion. Carboplatin was administered either as monotherapy or in combination with other chemotherapeutic agents. RESULTS: Ninety nine patients with ovarian (n=71), fallopian tube (n=9), peritoneal (n=9) and other gynecological cancers (5 uterine cancer, 5 abdominal cancer of gynecological origin) were retreated by a total of 611cycles of carboplatin administered as monotherapy (210cycles) or combination regime (401cycles). HSRs were recorded in only 11cycles (1.8%) in a total of 11 patients. While 8 of these patients had grade 1or 2 reactions (8.1%), only 3 patients had grade 3 reactions (3%). After pause in the infusion and complete resolution of HSR symptoms, an attempt of retreatment using this infusion protocol with extra premedication was successful in 6 of these patients without any reoccurrence of HSRs. CONCLUSION: In this prospective study, we report that prophylactic 3-hour graduated infusion rate with appropriate premedication is associated with low frequency of HSRs in gynecological cancer patients requiring carboplatin retreatment in second line or above. PMID- 29208371 TI - Integrated semi-targeted metabolomics analysis reveals distinct metabolic dysregulation in pleural effusion caused by tuberculosis and malignancy. AB - BACKGROUND: Tuberculous pleural effusion (TPE) and malignant pleural effusion (MPE) are the 2 most frequent causes of exudative pleural effusions (PEs). However, the clinical differentiation is challenging. METHODS: Metabolic signatures in pleural effusion from 156 patients were profiled. An integrated semi-targeted metabolomics platform was incorporated for high throughput metabolite identification and quantitation. In this platform, orbitrap based mass spectrometry with data dependent MS/MS acquisition was applied in the analysis. In-house database containing ~1000MS/MS spectra were established and "MetaInt" was developed for metabolite alignment. RESULTS: Using this strategy, lower levels of amino acids, citric acid cycle intermediates and free fatty acids accompanied with elevated acyl-carnitines and bile acids were observed, demonstrating increased energy expenditure caused by TPE. Kynurenine pathway from tryptophan was significantly enhanced in TPE. The ratio of tryptophan/kynurenine exhibited decent performance in differentiating TPE from MPE with sensitivity of 92.7% and specificity of 86.1%. After two further independent validations, it turns out that the ratio of tryptophan/kynurenine can be applied confidently as a potential biomarker together with adenosine deaminase (ADA) for clinical diagnosis of TPE. CONCLUSIONS: Conclusively, the integrated in-house platform for high throughput semi-targeted metabolomics analysis reliably identified great potential of tryptophan/kynurenine ratio as a novel diagnostic biomarker to distinguish pleural effusion caused by tuberculosis and malignancy. PMID- 29208372 TI - Different calibrator options may strongly influence the trueness of serum transferrin measured by Abbott Architect systems. PMID- 29208373 TI - Roles of maternal wnt8a transcripts in axis formation in zebrafish. AB - In early zebrafish development, the program for dorsal axis formation begins soon after fertilization. Previous studies suggested that dorsal determinants (DDs) localize to the vegetal pole, and are transported to the dorsal blastomeres in a microtubule-dependent manner. The DDs activate the canonical Wnt pathway and induce dorsal-specific genes that are required for dorsal axis formation. Among wnt-family genes, only the wnt8a mRNA is reported to localize to the vegetal pole in oocytes and to induce the dorsal axis, suggesting that Wnt8a is a candidate DD. Here, to reveal the roles of maternal wnt8a, we generated wnt8a mutants by transcription activator-like effector nucleases (TALENs), and established zygotic, maternal, and maternal zygotic wnt8a mutants by germ-line replacement. Zebrafish wnt8a has two open reading frames (ORF1 and ORF2) that are tandemly located in the genome. Although the zygotic ORF1 or ORF2 wnt8a mutants showed little or no axis-formation defects, the ORF1/2 compound mutants showed antero dorsalized phenotypes, indicating that ORF1 and ORF2 have redundant roles in ventrolateral and posterior tissue formation. Unexpectedly, the maternal wnt8a ORF1/2 mutants showed no axis-formation defects. The maternal-zygotic wnt8a ORF1/2 mutants showed more severe antero-dorsalized phenotypes than the zygotic mutants. These results indicated that maternal wnt8a is dispensable for the initial dorsal determination, but cooperates with zygotic wnt8a for ventrolateral and posterior tissue formation. Finally, we re-examined the maternal wnt genes and found that Wnt6a is an alternative candidate DD. PMID- 29208374 TI - The Application of 3D Printing in the Formulation of Multilayered Fast Dissolving Oral Films. AB - Fast-dissolving oral films (FDFs) provide an alternative approach to increase consumer acceptance by advantage of rapid dissolution and administration without water. Usually, FDFs require taste-masking agents. However, inclusion of these excipients could make developing the formulation a challenging task. Hence, this work employed fused-deposition modeling three-dimensional printing to produce single-layered FDFs (SLFDFs), or multilayered FDFs (MLFDFs) films, with taste masking layers being separated from drug layer. Filaments were prepared containing polyethylene oxide (PEO) with ibuprofen or paracetamol as model drugs at 60 degrees C. Also, filaments were produced containing polyvinyl alcohol and paracetamol at 130 degrees C. Furthermore, a filament was prepared containing PEO and strawberry powder for taste-masking layer. FDFs were printed at temperatures of 165 degrees C (PEO) or 190 degrees C (polyvinyl alcohol) with plain or mesh designs. High-performance liquid chromatography and mass spectroscopy analysis indicated active ingredient stability during film preparation process. SLFDFs had thicknesses as small as 197 +/- 21 MUm, and MLFDFs had thicknesses starting from 298 +/- 15 MUm. Depending on the formulation and design, mesh SLFDFs presented disintegration time as short as 42 +/- 7 s, and this was 48 +/- 5 s for mesh MLFDFs. SLFDFs showed drug content uniformity in the range of 106.0%-112.4%. In conclusion, this study provides proof-of-concept for the manufacturing of FDFs by using 3D printing. PMID- 29208375 TI - Cancer control in Africa: infrastructure, not philanthropy. PMID- 29208376 TI - An action plan for cancer control in the USA. PMID- 29208377 TI - Priorities for cancer research in the USA. PMID- 29208378 TI - Implementing the Cancer Moonshot and beyond. PMID- 29208379 TI - Patients, data, and progress in cancer care. PMID- 29208380 TI - The Cancer Moonshot from a European perspective. PMID- 29208381 TI - CONVERTed or not: what are the barriers to implementing the evidence? PMID- 29208382 TI - CONVERTed or not: what are the barriers to implementing the evidence? - Author's reply. PMID- 29208383 TI - Neo-adjuvant chemotherapy alone or with regional hyperthermia for soft-tissue sarcoma. PMID- 29208385 TI - Physical fitness and cancer. PMID- 29208384 TI - Neo-adjuvant chemotherapy alone or with regional hyperthermia for soft-tissue sarcoma - Authors' reply. PMID- 29208386 TI - Cancer, checkpoint inhibitors, and confusion. PMID- 29208387 TI - Timing of androgen-deprivation therapy in prostate cancer. PMID- 29208388 TI - Timing of androgen-deprivation therapy in prostate cancer. PMID- 29208389 TI - Timing of androgen-deprivation therapy in prostate cancer - Author's reply. PMID- 29208390 TI - Adequate SIRT activity dose is as important as adequate chemotherapy dose. PMID- 29208391 TI - Adequate SIRT activity dose is as important as adequate chemotherapy dose - Authors' reply. PMID- 29208392 TI - Concordance between plasma-based and tissue-based next-generation sequencing in LOTUS. PMID- 29208393 TI - Neoadjuvant chemotherapy in oesophageal adenocarcinoma. PMID- 29208394 TI - Neoadjuvant chemotherapy in oesophageal adenocarcinoma. PMID- 29208395 TI - Neoadjuvant chemotherapy in oesophageal adenocarcinoma - Authors' reply. PMID- 29208396 TI - Correction to Lancet Oncol 2017; 18: 1502-11. PMID- 29208397 TI - Correction to Lancet Oncol 2017; 18: e315-29. PMID- 29208399 TI - Association between Extracellular Material and Biofilm Formation in Response to Sodium Hypochlorite by Clinical Isolates of Enterococcus faecalis. AB - INTRODUCTION: Extracellular material (ECM) surrounding Enterococcus faecalis may play a role in increasing resistance to environmental stresses. Our aim was to determine ECM levels in response to subminimal inhibitory concentrations of sodium hypochlorite (sub-MIC/NaOCl) or anaerobic growth and determine the impact on biofilm development. METHODS: From 37 E. faecalis clinical strains, 19 were selected according to their biofilm-producing ability by using a crystal violet biofilm assay: 10 strong, 4 intermediate, and 5 non-biofilm producers. Biofilm assays were subsequently performed on all strains when subjected to sub MIC/NaOCl. All strains were evaluated for ECM production under aerobic and anaerobic conditions and with sub-MIC/NaOCl. ECM production was assessed by using scanning electron microscopy. Double-blinded independent assessors were used to score levels of ECM production. The esp gene was detected by using polymerase chain reaction. Gelatinase activity was determined by using Todd-Hewitt and gelatin agar. RESULTS: In aerobic conditions, ECM was expressed in all strains. In the presence of sub-MIC/NaOCl, of the 10 strong biofilm producers, 5 increased their ECM production, and 4 showed increased biofilm growth. Two strains had less ECM production and showed decreased biofilm growth. One isolate demonstrated no observable changes. Most non-biofilm producers demonstrated no observable differences in ECM production, although 1 strain increased biofilm growth. ECM production in anaerobic conditions was highly variable. The esp gene (n = 15) and gelatinase activity (n = 7) were evident among the isolates. CONCLUSIONS: Clonal diversity among strains of E. faecalis suggests that some strong biofilm producers can upregulate ECM production and increase biofilm growth in response to sub-MIC/NaOCl. PMID- 29208400 TI - Influence of Cervical Preflaring on the Incidence of Root Dentin Defects. AB - INTRODUCTION: This study evaluated the influence of cervical preflaring on the incidence of root dentin defects after root canal preparation. METHODS: Extracted human maxillary central incisors were selected and allocated to 1 control group and 12 experimental groups (n = 15). Teeth in the control group were left unprepared, whereas the others were prepared using 2 reciprocating single-file systems (Reciproc and WaveOne [WO]), 3 full-sequence rotary systems (ProTaper Universal, ProTaper Next [PTN], and ProFile), and K-files driven by an oscillatory system, with and without cervical preflaring. Roots were then horizontally sectioned at 4, 8, and 12 mm from the apex, stained with 1% methylene blue, and viewed through a stereomicroscope at *25 magnification. Slices were inspected and the absence/presence of defects (fractures, partial cracks, and craze lines) recorded. Data were analyzed using Kolmogorov-Smirnov and Levene tests followed by the Tukey post hoc test at a significance level of P < .05. RESULTS: No root dentin defects were observed in the control group. WO was associated with a significantly higher number of defects than K-files, ProFile, and PTN (P < .05), but was not significantly different from Reciproc or ProTaper Universal (P > .05). Cervical preflaring significantly reduced the incidence of fractures and other defects in the WO and PTN groups (P < .05). CONCLUSIONS: All instruments caused root dentin defects, regardless of the enlargement or not of the cervical portion. Cervical preflaring was associated with a lower incidence of defects, mainly in root canals prepared with WO and PTN. PMID- 29208401 TI - Survival Rates from Fracture of Endodontically Treated Premolars Restored with Full-coverage Crowns or Direct Resin Composite Restorations: A Retrospective Study. AB - INTRODUCTION: The aim of the present study was to compare the survival rates against fracture of premolar endodontically treated teeth (ETT) restored with resin composite or crowns and to identify risk factors associated with the fracture. METHODS: Data from dental records and radiographs of premolar ETT with postendodontic restorations (ie, resin composite or crowns) were collected between 2012 and 2016 and selected following selected inclusion and exclusion criteria. Tooth location, type of restoration, number of proximal contacts, and amount of tooth surface loss were recorded. The incidence and restorability of postendodontic fractures were identified. Survival rates against fracture of the 2 restoration types were calculated using Kaplan-Meier survival analysis. Any potential factors associated with fractures were identified using Cox proportional hazards models. RESULTS: The survival rate against fracture of ETT restored with crowns (95.1%) was higher than resin composite (77.0%). ETT restored with resin composite with 1 or 2 tooth surface losses and 2 proximal contacts had a high survival rate of 88.5% that was not significantly different from ETT with crowns. A higher incidence of restorability after fracture was observed in teeth restored with resin composite than crowns. The type of restoration and number of proximal contacts were identified as potential risk factors associated with fracture incidence. CONCLUSIONS: The survival rate against fracture of ETT restored with crowns was higher than resin composite. However, ETT with 1 or 2 tooth surface losses and 2 proximal contacts and restored with resin composite showed a high survival rate that was comparable with ETT restored with crowns. PMID- 29208402 TI - Anesthetic Efficacy of Supine and Upright Positions for the Inferior Alveolar Nerve Block: A Prospective, Randomized Study. AB - INTRODUCTION: It has been recommended to place patients in an upright position after administration of an inferior alveolar nerve block (IANB), theoretically allowing the anesthetic to diffuse in an inferior direction and resulting in better pulpal anesthesia. The purpose of this study was to compare an upright versus a supine position on the success of pulpal anesthesia when an IANB was administered in asymptomatic teeth. METHODS: One hundred ten asymptomatic subjects were randomly given IANBs by using 2% lidocaine with 1:100,000 epinephrine while they were in an upright position and supine position at 2 different appointments spaced at least 2 weeks apart. Pulpal anesthesia was measured in the molars, premolars, and incisors with an electric pulp tester in 4 minute cycles for 60 minutes. Anesthetic success was defined as the subject achieving 2 consecutive 80 readings within 15 minutes of the injection and sustaining the 80 reading for 60 minutes. Success was analyzed by using a mixed model logistic regression. RESULTS: Pulpal anesthesia for the supine position was not statistically more successful than the upright position in the second molars (73% vs 65%), first molars (59% vs 54%), lateral incisors (28% vs 23%), and central incisors (11% vs 8%), respectively. The supine position significantly improved success in the second premolars (63% vs 53%) and first premolars (75% vs 64%). CONCLUSIONS: The supine and upright positions were equally successful in the molars and anterior teeth. The supine position was more successful in the premolars. However, clinically, neither position for the IANB administration would provide complete pulpal anesthesia. PMID- 29208403 TI - Efficacy of Standard Dose R-CHOP Alternating With R-HDAC Followed by Autologous Hematopoietic Cell Transplantation as Initial Therapy of Mantle Cell Lymphoma, a Single-Institution Experience. AB - BACKGROUND: Young fit patients with mantle cell lymphoma (MCL) are commonly treated with induction chemotherapy followed by high-dose chemotherapy and autologous hematopoietic cell transplantation (AHCT). Induction regimens with modifications of R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) and/or incorporation of high-dose cytarabine (HDAC) appear more effective than R-CHOP alone. PATIENTS AND METHODS: We adopted a modification of the Nordic protocol using standard, rather than higher dose R-CHOP, alternating with HDAC (rituximab plus HDAC), for 3 cycles each or, for patients already treated with R-CHOP alone before referral for AHCT, an additional 2 cycles of rituximab plus HDAC. We herein report our experience with 28 patients treated with this regimen who proceeded to AHCT, and compare their outcomes with patients treated with either standard-dose R-CHOP (n = 38) or R-HCVAD/MA (cyclophosphamide, vincristine, doxorubicin, dexamethasone alternating with methotrexate, and cytarabine; n = 21), before AHCT. RESULTS: With a median follow up duration of 26 months, our data show that this modification of the Nordic regimen is a highly effective pre-AHCT first-line therapy for MCL (3-year progression-free and overall survival rates of 69% and 75%, respectively). CONCLUSION: By using a less intense induction, this regimen can serve as a platform for combined use of novel agents, with less risk of additive toxicity. PMID- 29208404 TI - Naringin prevents bone loss in a rat model of type 1 Diabetes mellitus. AB - The aim of this work was to know whether naringin (NA) could prevent the bone complications in a model of streptozotocin (STZ) induced diabetes. Rats were divided in: 1) controls, 2) STZ-rats, 3) STZ-rats treated with 40 mg NA/kg, and 4) STZ-rats treated with 80 mg NA/kg. BMD and BMC were performed by DEXA. Bone histomorphometry and histology as well as TRAP staining were done in tibia. Osteocalcin (OCN) was determined in bone and serum. Glutathione content and SOD and catalase activities were assayed in bone marrow from femur. The data showed that NA80 increased the BMD and BMC from the long bones of STZ-rats. Both NA40 and NA80 normalized the trabecular number and the trabecular separations. An increase in the number of adipocytes and TRAP(+) cells in tibia from STZ-rats was blocked by NA. NA40 treatment increased the number of OCN(+) cells, but only the NA80 treatment allowed to reach the control values. NA normalized the SOD and catalase activities in bone marrow of femur from STZ-rats. In conclusion, NA avoids alterations in the physical properties and microstructure of bone from STZ rats probably by stimulation of osteoblastogenesis, inhibition of the osteoclastogenesis and adipogenesis via blocking the oxidative stress. PMID- 29208405 TI - Emergence of a Klebsiella pneumoniae ST392 clone harbouring KPC-3 in an Italian transplantation hospital. PMID- 29208406 TI - Macrophage depletion by liposome-encapsulated clodronate suppresses seizures but not hippocampal damage after acute viral encephalitis. AB - Viral encephalitis is a major risk factor for the development of seizures and epilepsy, but the underlying mechanisms are only poorly understood. Mouse models such as viral encephalitis induced by intracerebral infection with Theiler's virus in C57BL/6 (B6) mice allow advancing our understanding of the immunological and virological aspects of infection-induced seizures and their treatment. Previous studies using the Theiler's virus model in B6 mice have indicated that brain-infiltrating inflammatory macrophages and the cytokines released by these cells are key to the development of acute seizures and hippocampal damage in this model. However, approaches used to prevent or reduce macrophage infiltration were not specific, so contribution of other mechanisms could not be excluded. In the present study, we used a more selective and widely used approach for macrophage depletion, i.e., systemic administration of clodronate liposomes, to study the contribution of macrophage infiltration to development of seizures and hippocampal damage. By this approach, almost complete depletion of monocytic cells was achieved in spleen and blood of Theiler's virus infected B6 mice, which was associated with a 70% decrease in the number of brain infiltrating macrophages as assessed by flow cytometry. Significantly less clodronate liposome treated mice exhibited seizures than liposome controls (P<0.01), but the development of hippocampal damage was not prevented or reduced. Clodronate liposome treatment did not reduce the increased Iba1 and Mac3 labeling in the hippocampus of infected mice, indicating that activated microglia may contribute to hippocampal damage. The unexpected mismatch between occurrence of seizures and hippocampal damage is thought-provoking and suggests that the mechanisms involved in degeneration of specific populations of hippocampal neurons in encephalitis induced epilepsy are more complex than previously thought. PMID- 29208407 TI - Dehydrocavidine attenuates d-galactose induced learning and memory impairment in rats. AB - OBJECTIVE: Dehydrocavidine (DEH) is the major component of a plant corydalis saxicola Bunting, which is used to treat the patients with hepatic disorders, there is still no report about the effect of DEH on the brain disorder. In this study, the effect and mechanism of DEH on d-galactose (d-gala) induced learning and memory impairment in rats was investigated. METHODS: A learning and memory impairment rat model was employed by chronic intraperitoneal injection of d-gala and intragastric administration of DEH, then Morris water maze test was used to investigate the effect of DEH on learning and memory impairment, Golgi stain and biochemical methods, real time PCR were used to investigate underlying mechanism. RESULTS: Intraperitoneal injection of d-gala could induced severe learning and memory impairment in rats, intragastric administration of DEH could effectively attenuates these deficits. Golgi staining showed DEH supplementary could restored the density of spines to 5.7+/-1.16 spines per 10MUm in the DEH+d-gala group (p<0.05). DEH supplementary administration reversed the lipid peroxides and restored the enzymes activities to reduce oxidative damage (p<0.05). DEH supplementary administration could reduced the production of NO and PGE2 and the mRNA expression of iNOS and COX-2 (p<0.05). CONCLUSIONS: DEH could attenuates d gala induced learning and memory impairment in rats by enhancing synaptic plasticity, reducing oxidative damage and limiting the neuroinflammation. PMID- 29208398 TI - Future cancer research priorities in the USA: a Lancet Oncology Commission. AB - We are in the midst of a technological revolution that is providing new insights into human biology and cancer. In this era of big data, we are amassing large amounts of information that is transforming how we approach cancer treatment and prevention. Enactment of the Cancer Moonshot within the 21st Century Cures Act in the USA arrived at a propitious moment in the advancement of knowledge, providing nearly US$2 billion of funding for cancer research and precision medicine. In 2016, the Blue Ribbon Panel (BRP) set out a roadmap of recommendations designed to exploit new advances in cancer diagnosis, prevention, and treatment. Those recommendations provided a high-level view of how to accelerate the conversion of new scientific discoveries into effective treatments and prevention for cancer. The US National Cancer Institute is already implementing some of those recommendations. As experts in the priority areas identified by the BRP, we bolster those recommendations to implement this important scientific roadmap. In this Commission, we examine the BRP recommendations in greater detail and expand the discussion to include additional priority areas, including surgical oncology, radiation oncology, imaging, health systems and health disparities, regulation and financing, population science, and oncopolicy. We prioritise areas of research in the USA that we believe would accelerate efforts to benefit patients with cancer. Finally, we hope the recommendations in this report will facilitate new international collaborations to further enhance global efforts in cancer control. PMID- 29208408 TI - Personalized management of bipolar disorder. AB - Bipolar disorder (BD) is one of the most serious psychiatric disorders. The rates of disability, the risk of suicide attempts and their high lethality, as well as frequent and severe psychiatric and medical comorbidities, put it among the major causes of mortality and disability worldwide. At the same time, many patients can do well when treated properly. In this review, we focus on those aspects of the clinical care that offer the potential of individualized approach, in the context of the recent technology driven advances in the comprehension of the neurobiological underpinnings of BD. We first review those clinical and biological factors that can help identifying individuals at high risk of developing BD. Among these are a family history of BD and/or completed suicide, prodromal symptoms (in childhood and/or adolescence) such as anxiety and mood lability, early onset, and poor response to antidepressants. Panels of genetic markers are also being studied to identify subjects at risk for BD. Further, neuroimaging studies have found an increased gray matter density in the right Inferior Frontal Gyrus (rIFG) as a possible risk marker of BD. We then examine clinical factors that influence the initiation, selection and possibly discontinuation of long-term treatment. Lastly, we discuss the risk of side effects in BD, and their relevance for treatment adherence and for treatment monitoring. In summary, we discuss how a personalized approach in BD can be implemented through the identification of specific clinical and molecular predictors. We show that the realization of a personalized management of BD is not only of a theoretical value, but has substantial clinical repercussions, resulting in a significant reduction of the long-term morbidity and mortality associated to BD. PMID- 29208409 TI - Direct fermentation of Jerusalem artichoke tuber powder for production of l lactic acid and d-lactic acid by metabolically engineered Kluyveromyces marxianus. AB - An efficient production system for optically pure l- and d-lactic acid (LA) from Jerusalem artichoke tuber powder (JAP) was developed by metabolic engineering of Kluyveromyces marxianus. To construct LA-producing strains, the ethanol fermentation pathway of K. marxianus was redirected to LA production by disruption of KmPDC1 and expression of l- and d-lactate dehydrogenase (LDH) genes derived from Lactobacillus plantarum under the control of the K. marxianus translation elongation factor 1alpha promoter. To further increase the LA titer, the l-LA and d-LA consumption pathway of host strains was blocked by deletion of the oxidative LDH genes KmCYB2 and KmDLD1. The recombinant strains produced 130g/L l-LA and 122g/L d-LA by direct fermentation from 230g/L JAP containing 140g/L inulin, without pretreatment or nutrient supplementation. The conversion efficiency and optical purity were ?>95% and ?>99%, respectively. This system using JAP and the inulin-assimilating yeast K. marxianus could lead to a cost effective process for the production of LA. PMID- 29208410 TI - Application of heat compensation calorimetry to an E. coli fed-batch process. AB - The application of biocalorimetry to fermentation processes offers advantageous insights, while being less complex compared to other, sophisticated PAT solutions. Although the general concept is established, calorimetric methods vary in detail. In this work, a special approach, called heat compensation calorimetry, was applied to an E. coli fed-batch process. Much work has been done for batch processes, proving the validity and accuracy of this calorimetric mode. However, the adaption of this strategy to fed-batch processes has some implications. In the first section of this work, batch fermentations were performed, comparing heat capacity calorimetry to the compensation mode. Both processes showed very good agreement by means of growth behavior. The heat related differences, e.g. temperature profiles, were obvious. In addition, the impact of the chosen mode on the calculation of in-process heat transfer coefficients was shown. Finally, a fed-batch fermentation was performed. The compensation mode was kept sufficiently, up to the point where the metabolic heat production accelerated strongly. Controller tuning was a neuralgic point, which would have needed further optimization under these conditions. Nevertheless, in the present work it was possible to realize a working compensation process while demonstrating critical aspects that must be considered when establishing such approach. PMID- 29208411 TI - Distribution of NADPH-diaphorase reactivity in the central nervous system of the common toad (Bufo bufo). AB - We examined the distribution of nicotinamide adenine dinucleotide phosphate diaphorase (NADPH-d)-reactive elements in the central nervous system (CNS) of the common toad, Bufo bufo. The investigation involved adult male and female toads collected during the breeding season. Labeled neurons of different morphological appearances (weakly or darkly stained, unipolar, bipolar, and multipolar) and fibers were observed across all subdivisions of the amphibian brain. Overall, a similar distribution of NADPH-d-labeled neurons was observed in the brain of male and female toads. In the secondary prosencephalon NADPH-d-labeled neurons were observed in the olfactory bulbs, pallial regions, nucleus accumbens, diagonal band of Broca, septum, striatum, amygdala, suprachiasmatic and magnocellular preoptic nuclei, dorsal and ventral hypothalamus. In the diencephalon, NADPH-d positive neurons were seen in the anterior thalamic nuclei, ventromedial and ventrolateral nuclei, central and lateral thalamic nuclei, posterior tubercle, posterodorsal division of the lateral thalamic nucleus, and in the pretectal and pretoral gray. In the mesencephalon, heavily stained neurons were present in the anterodorsal and anteroventral tegmental nuclei, magnocellular, principal and laminar nuclei of the torus semicircularis, and nucleus profundus mesencephali. In the isthmus, stained cells were observed medially and ventrally in the posterodorsal and posteroventral tegmental nuclei. In the rhombencephalon, numerous NADPH-d-stained neurons were distributed in the cerebellar nucleus, sensory and descending trigeminal nuclei, motor nuclei of the glossopharyngeal and vagus nerves, the nucleus of the solitary tract, nuclei of the hypoglossal and octaval nerves, dorsal column nucleus, central gray region, and in reticular formation. However, the complete absence of NADPH-d-stained neurons in the cerebellar cortex was an unusual feature observed in this study. The widespread distribution of NADPH-d staining in diverse cell types, belonging to a variety of neuronal systems suggests a widespread role for NADPH-d in modulating diverse functions, including sensory coding in the amphibian nervous system. PMID- 29208412 TI - Impact of the surface charge of polydiacetylene micelles on their interaction with human innate immune protein C1q and the complement system. AB - Polydiacetylene (pDA) micelles have been demonstrated to be effective drug carriers for cancer therapy in mouse model. However, little is known about their interaction with the human complement system, which constitutes an important part of the innate immune system and can cause severe hypersensitivity reactions. Herein, we investigate the influence of micelle surface charge on the binding of complement protein C1q, the target recognition unit that activates the classical complement pathway and performs a range of other important physiological functions. Besides the classical pathway, we also investigate the surface charge effect on complement activities through the other activation pathways, namely, the MBL-dependent lectin pathway and the alternative pathway. We synthesized three samples of pDA micelles bearing neutral, anionic, and cationic surface charge motifs, respectively. Surface plasmon resonance showed that none of these micelles interacted with C1q. Results from serum complement activation assays indicated that all micelles were inert to complement, except for the anionic pDA micelles, which activated the alternative pathway. PMID- 29208413 TI - Characterization of ML0314c of Mycobacterium leprae and deciphering its role in the immune response in leprosy patients. AB - Mycobacterium leprae has a reduced genome size due to the reductive evolution over a long period of time. Lipid metabolism plays an important role in the life cycle and pathogenesis of this bacterium. In comparison to 26 lip genes (Lip A-Z) of M. tuberculosis, M. leprae retained only three orthologs indicating their importance in its life cycle. ML0314c (LipU) is one of them. It is conserved throughout the mycobacterium species. Bioinformatics analysis showed the presence of an alpha/beta hydrolase fold and 'GXSXG' characteristic of the esterases/lipases. The gene was expressed in E. coli and purified to homogeneity. It showed preference towards short chain esters with pNP-acetate as the preferred substrate. The enzyme showed optimal activity at 45 degrees C and pH8.0. ML0314c protein was stable between temperatures ranging from 20 to 60 degrees C and pH5.0 8.0, i.e., relatively acidic and neutral conditions. The active site residues predicted bioinformatically were confirmed to be Ser168, Glu267, and His297 by site directed mutagenesis. E-serine, DEPC and Tetrahydrolipstatin (THL) completely inhibited the activity of ML0314c. The protein was localized in cell wall and extracellular medium. Several antigenic epitopes were predicted in ML0314c. Protein elicited strong humoral immune response in leprosy patients, whereas, a reduced immune response was observed in the relapsed cases. No humoral response was observed in treatment completed patients. Overexpression of ml0314c in the surrogate host M. smegmatis showed marked difference in the colony morphology and growth rate. In conclusion, ML0314c is a secretary carboxyl esterase that could modulate the immune response in leprosy patients. PMID- 29208414 TI - Analysis of the SNP loci around transcription start sites related to goat fecundity trait base on whole genome resequencing. AB - Genome flanking regions surrounding transcription start sites (TSSs) are critical for the regulation of gene expression, containing many translational regulatory elements. To investigate whether critical single nucleotide polymorphisms (SNPs) exist around TSSs in the dairy goat genome, we performed high throughput DNA sequencing to compare two dairy goat groups with discrepant litter sizes. After genome mapping, SNP calling, and annotation, we screened the SNPs within 2kb scales surrounding annotated TSSs in high fecundity (HF) and low fecundity (LF) groups, respectively. We attempted to identify distinct SNPs and motifs near the TSSs in both groups. The SNPs near the TSSs most were consistent; 318 new SNPs were uncovered in the HF group, of which 305 were heterozygote SNPs, 13 were homozygote SNPs, and majority of which were distributed on chromosome 2 and 29. After validation by Sanger sequencing we found that a SNP in CHI16: 27612330 C>A in the PSEN2 gene presented an A/A genotype in the HF group and an A/A or A/C genotype in the LF group. In conclusion, our study provides insightful information into the dairy goat genomic variations surrounding TSSs, which may contribute to enhanced litter size. Based on comparison studies of SNPs exist around transcription start sites between high fecundity group and low fecundity group. Our finding provides insights concerning the goat litter size phenotypic and will promote future goat breeding. PMID- 29208415 TI - Guideline on terminology and definitions of updating clinical guidelines: The Updating Glossary. AB - OBJECTIVE: The Guidelines International Network (G-I-N) Updating Guidelines Working Group launched an initiative to develop a glossary (the Updating Glossary) with domains, terms, definitions, and synonyms related to updating of clinical guidelines (CGs). STUDY DESIGN AND SETTING: The steering committee developed an initial list of domains, terms, definitions, and synonyms through brainstorming and discussion. The panel members participated in three rounds of feedback to discuss, refine, and clarify the proposed terms, definitions, and synonyms. Finally, the panel members were surveyed to assess their level of agreement regarding the glossary. RESULTS: Eighteen terms were identified and defined: (1) continuous updating, (2) decision to update, (3) fixed updating, (4) full updating, (5) impact of the new evidence, (6) partial updating, (7) prioritization process, (8) reporting process, (9) signal for an update, (10) surveillance process, (11) time of validity, (12) timeframe, (13) tools and resources, (14) up to date, (15) update cycle, (16) update unit, (17) updated version, and (18) updating strategy. Consensus was reached for all terms, definitions, and synonyms (median agreement scores >= 6); except for one term. CONCLUSIONS: The G-I-N Updating Guidelines Working Group assembled the Updating Glossary to facilitate and improve the knowledge exchange among CGs developers, researchers, and users. PMID- 29208417 TI - Multiple digit melanonychia: Examine the scalp. PMID- 29208416 TI - Statin use and risk of skin cancer. AB - BACKGROUND: Statins are among the most commonly used medications in the United States, and statin use is associated with increased risk of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). However, previous studies are limited by lack of adjustment for important confounders. OBJECTIVE: Examine the relation between statins and skin cancer risk in the Nurses' Health Study and Health Professionals Follow-up Study. METHODS: Cox proportional hazards regression was used to evaluate associations. RESULTS: During follow-up (2000-2010), we documented 10,201 BCC, 1393 SCC, and 333 melanoma cases. History of high cholesterol level was not associated with risk of BCC (pooled multivariable adjusted hazard ratio [HR], 1.04; 95% confidence interval [CI], 1.00-1.09), SCC (HR, 0.95; 95% CI, 0.85-1.06), or melanoma (HR, 0.87; 95% CI, 0.64-1.19). Statin use was not associated with risk of BCC (HR, 1.04; 95% CI, 0.99-1.09]), SCC (HR, 1.08; 95% CI, 0.94-1.24), or melanoma (HR, 1.04; 95% CI, 0.78-1.38). There was a trend toward higher BCC risk with longer duration of statin use in men (P trend = .003) but not in women (P trend = .86). LIMITATIONS: Lack of treatment data. CONCLUSION: History of high cholesterol level was not associated with skin cancer risk. Longer duration of statin use was associated with a trend toward higher BCC risk in men. PMID- 29208418 TI - Left Atrial Volumes and Strain in Healthy Children Measured by Three-Dimensional Echocardiography: Normal Values and Maturational Changes. AB - BACKGROUND: Assessment of left atrial (LA) size and function is important in a number of pediatric cardiac conditions including those affecting the diastolic performance of the left ventricle. Measurements of LA volume and strain by two dimensional echocardiography rely upon inaccurate geometric assumptions and are hampered by out-of-plane motion. The objective of this study was to characterize LA volumes and strain by three-dimensional echocardiography in healthy children. METHODS: LA volumes and strain were retrospectively measured by three-dimensional echocardiography in healthy children with no known structural or functional heart disease using a commercial speckle-tracking package applied to the LA to compute maximum volume (Vmax), minimum volume (Vmin), ejection volume (LAEV), ejection fraction (LAEF), and the following components of global strain: 3D principal (3DS), longitudinal (GLS), and circumferential (GCS). RESULTS: The study population included 196 normal subjects (median age, 12 years; range, 4 days to 20.9 years). Vmax, Vmin, and LAEV increased with age and body surface area. Significant age-related declines were present in all measured functional indices including LAEF, 3DS, GLS, and GCS. Analysis of a subset of 50 subjects showed excellent agreement between Vmax derived by three-dimensional and two-dimensional biplane area-length method. Regression equations with standard deviations were generated to enable calculation of Z scores. CONCLUSIONS: LA volume and functional indices can be reliably calculated using a commercial three dimensional analysis software. All components of LA strain decline modestly with age. Normative data generated in this study have the potential to greatly enhance the utility of three-dimensional echocardiography-derived measurements in a wide range of cardiac pathologies. PMID- 29208419 TI - Planning of Polish physician workforce - Systemic inconsistencies, challenges and possible ways forward. AB - BACKGROUND: Poland has the lowest number of physicians per 1000 population (2.2/1000) in the EU. This is accompanied by a considerable migration rate of Polish physicians to other EU countries (estimated at above 7%). Among other consequences, this results in waiting lists and unmet health needs. OBJECTIVE: The aim of this article is an identification of the main challenges for physician workforce planning in Poland. METHODS: The authors analysed national and international documents, reports, official statements, publications and statistical databases. MAIN FINDINGS: In Poland health workforce planning is inadequate and insufficient. There is no formal structure and no strategy regarding human resource planning or regular forecasts for the health workforce, which results in many negative effects for the healthcare system. Currently the shortage of physicians in some specialties is becoming one of the most important reasons for limited access to care and lengthening the average wait time. CONCLUSIONS: To improve this situation operational and strategic actions should be undertaken without unnecessary delay. Effective and close cooperation between key stakeholders is needed. Health workforce planning needs to become one of the key building blocks of the Polish health system's reforms, strongly connected to the other functions of the health system. It is essential for Poland to follow available good practices in health workforce planning. PMID- 29208420 TI - The inhibitor of connexin Cx36 channels, mefloquine, inhibits voltage-dependent Ca2+ channels and insulin secretion. AB - The antimalarial agent, mefloquine, inhibits the function of connexin Cx36 gap junctions and hemichannels and has thus become a tool to investigate their physiological relevance in pancreatic islets. In view of earlier reports on a KATP channel-block by mefloquine, the specificity of mefloquine as a pharmacological tool was investigated. Mouse pancreatic islets and single beta cells were used to measure membrane potential, whole cell currents, Ca2+ channel activity, cytosolic Ca2+ concentration ([Ca2+]i) and insulin secretion. Mefloquine was tested in the concentration range of 5-50 MUM 25 MUM mefloquine was as effective as 500 MUM tolbutamide to depolarize the plasma membrane of beta cells, but did not induce action potentials. Rather, it abolished tolbutamide induced action potentials and the associated increase of [Ca2+]i. In the range of 5-50 MUM mefloquine inhibited voltage-dependent Ca2+ currents in primary beta cells as effectively as 1 MUM nisoldipine, a specific blocker of L-type Ca2+ channels. The Ca2+ channel opening effect of Bay K8644 was completely antagonized by mefloquine. Likewise, the increase of [Ca2+]i and of insulin secretion stimulated by 40 mM KCl, but not that by 30 mM glucose was antagonized by 50 MUM mefloquine. Neither at 5 MUM nor at 50 MUM did mefloquin stimulate insulin secretion at basal glucose. In conclusion, mefloquine blocks KATP channels and L type Ca2+ channels in pancreatic beta cells in the range from 5 to 50 MUM. Thus it inhibits depolarization-induced insulin secretion, but in the presence of a stimulatory glucose concentration additional effects of mefloquine, possibly on intracellular Ca2+ mobilization, and the metabolic amplification by glucose permit a sustained rate of secretion. PMID- 29208421 TI - Is testing for postprandial hyperinsulinemic hypoglycemia after gastric bypass necessary? AB - INTRODUCTION: Postprandial hyperinsulinemic hypoglycemia (pHH) is an increasingly reported complication after Roux-en-Y gastric bypass (RYGB). As pHH can cause life-threatening emergencies if occurring without warning symptoms, challenge testing may detect patients at risk. The study objective was to determine the frequency of occurrence of pHH with or without symptoms of hypoglycemia after RYGB. METHODS: We undertook an observational cohort study of consecutive, unselected patients approximately one year after uncomplicated RYGB. To simulate normal habits, all patients received a standardized carbohydrate-rich solid mixed meal. Plasma glucose and insulin were measured at 30, 60, 90, 120, and 150 min thereafter. Symptoms were classified as autonomous or neuroglycopenic. Patients with hypoglycemia (plasma glucose <3.0 mmol/L [55 mg/dL]), were tested a second time with a protein-rich solid mixed meal. RESULTS: 113 patients were included. Total weight loss at the first follow-up check (14 +/- 0.4 months) was 33.97 +/- 9.3%. After the carbohydrate-rich meal, glucose dropped to <3.0 mmol/L in 13.2% (n = 15) of patients vs no drop to <3.0 mmol/L after a protein-rich meal. The pHH occurred in 11.5% (n = 13) of patients. Asymptomatic patients (5.3%, n = 6) carried an increased risk (p = 0.008) for pHH. One patient needed emergency treatment after sudden loss of consciousness after the carbohydrate-rich meal. CONCLUSIONS: The occurrence of pHH was quite high in our study population with 11.5% thereof 5.3% asymptomatic. We therefore suggest that detection of these patients warrants a screening of patients after RYGB. At-risk patients should than be adequately advised to avoid carbohydrate-rich meals in order to optimize risk management. PMID- 29208422 TI - Support vector machine-based classification of first episode drug-naive schizophrenia patients and healthy controls using structural MRI. AB - Although regional brain deficits have been demonstrated in schizophrenia patients by structural MRI studies, one important question that remains largely unanswered is whether the complex and subtle deficits revealed by MRI could be used as objective biomarkers to discriminate patients from healthy controls individually. To address this question, a total of 326 right-handed participants were recruited, including 163 drug-naive first-episode schizophrenia (FES) patients and 163 demographically matched healthy controls. High-resolution anatomic data were acquired from all subjects and processed via Freesurfer software to obtain cortical thickness and surface area measurements. Subsequently, the Support Vector Machine (SVM) was used to explore the potential utility for cortical thickness and surface area measurements in the differentiation of individual patients and healthy controls. The accuracy of correct classification of patients and controls was 85.0% (specificity 87.0%, sensitivity 83.0%) for surface area and 81.8% (specificity 85.0%, sensitivity 76.9%) for cortical thickness (p<0.001 after permutation testing). Regions contributing to classification accuracy mainly included the gray matter in default mode, central executive, salience, and visual networks. Current findings, in a sample of never-treated FES patients, suggest that the patterns of illness-related gray matter changes has potential as a biomarker for identifying structural brain alterations in individuals with schizophrenia. Future prospective studies are needed to evaluate the utility of imaging biomarkers for research and potentially for clinical purpose. PMID- 29208423 TI - Delusions of control in schizophrenia: Resistant to the mind's best trick? AB - The existence of a free will is fiercely debated in neuroscience and philosophy. The debate has great impact on society and our self-understanding as human beings. Behavioral and electrophysiological data have challenged the intuitive assumption that human behavior is the result of conscious intentions. This notion has important implications for delusions of control in schizophrenia, where patients experience bodily movements as not being controlled by themselves. Current theories explain control delusions as a deficit to perceive certain aspects of motor control, but many findings are inconsistent with this idea. Here, an alternative view is proposed: Control delusions might be triggered by an even more veridical perception of the temporal order of intentions and actions. This hypothesis is supported by evidence that (a) conscious intentions in healthy subjects are often based on retrospective inferences, (b) temporal recalibrations of conscious percepts occur in healthy subjects and are disturbed in schizophrenia and (c) basic perceptual functions of schizophrenic patients are less influenced by expectations and therefore they can sometimes be closer to physical reality than those of healthy subjects. PMID- 29208424 TI - Evolutionary studies on the betaretrovirus RERV-H in the Leporidae family reveal an endogenization in the ancestor of Oryctolagus, Bunolagus and Pentalagus at 9 million years ago. AB - RERV-H was first identified in human tissues and mistaken for a human exogenous retrovirus. However, the integration sites carried by this virus showed that it was instead a European rabbit (Oryctolagus cuniculus) endogenous retrovirus. The first clones retrieved from European rabbit samples represented defective proviruses, although estimation of proviral copy numbers found in the European rabbit genome ranged from hundreds to thousands. Screening for the presence of RERV-H showed the absence of the virus in two other lagomorphs, pika (Ochotona) and hares (Lepus), which diverged from rabbits about 35 and 12 million years ago, respectively. Using a PCR-based approach, samples of seven different Lagomorph genera were tested for the presence of RERV-H. It was possible to amplify a proviral fragment corresponding to RNaseH from Oryctolagus, Bunolagus and Pentalagus genomic samples. The amplification of proviral DNA in species other than Oryctolagus revealed that this virus was endogenized in their common ancestor, roughly 9 million years ago. Using the European rabbit genome sequence OryCun2.0, it was possible to find multiple copies spread throughout the genome and several complete proviral genomes were retrieved. Some copies contained full open reading frames for all viral components. The lack of a complete genome in the other Lagomorph species did not allow further analyses of the provirus, although more deleterious mutations were found in Bunolagus and Pentalagus than in Oryctolagus RNaseH-amplified sequences. To what extent RERV-H and other endogenous viruses might have had an impact on the rabbit genome and its immune system remains elusive. PMID- 29208425 TI - Serum uric acid as a potential marker for heart failure risk in men on antihypertensive treatment: The British Regional Heart Study. AB - The role of serum uric acid (SUA) as a prognostic marker for incident heart failure (HF) in hypertensive subjects is uncertain. We have prospectively examined the relationship between SUA and incident HF in 3440 men aged 60-79years separately in those on and not on antihypertensive treatment who were followed up for a mean period of 15years. Men on SUA lowering drugs and those with history of HF or myocardial infarction were excluded. There were 260 incident HF cases. The men were divided into three groups of SUA concentrations/levels (<350, 350-410 and >410MUmol/L). Raised SUA was associated with significantly increased risk of HF in men on antihypertensive treatment (N=949) but not in those without (N=2491) (p=0.003 for interaction). In men on antihypertensive treatment those with hyperuricemia (>410MUmol/L) had the most adverse biological risk profile for HF including the highest rates of atrial fibrillation and renal dysfunction and the highest mean level of BMI, c-reactive protein and cardiac function (cardiac troponin T). Treated hypertensive men with SUA levels>410MUmol/L showed an increase in risk of HF of more than twofold compared to those on treatment with levels <350MUmol/L even after adjustment for lifestyle characteristics and biological risk factors [adjusted hazard ratio 2.26 (1.23,4.15)]. SUA improved prediction of HF beyond routine conventional risk factors (p=0.02 for improvement in c-statistics). SUA as a marker of increased xanthine oxidase activity may be a useful prognostic marker for HF risk in older men on antihypertensive treatment. PMID- 29208427 TI - Clinical decision making: more than just an algorithm. PMID- 29208426 TI - 5-Azacytidine engages an IRE1alpha-EGFR-ERK1/2 signaling pathway that stabilizes the LDL receptor mRNA. AB - Hepatic low-density lipoprotein receptor (LDLR) is the primary conduit for the clearance of plasma LDL-cholesterol and increasing its expression represents a central goal for treating cardiovascular disease. However, LDLR mRNA is unstable and undergoes rapid turnover mainly due to the three AU-rich elements (ARE) in its proximal 3'-untranslated region (3'-UTR). Herein, our data revealed that 5 azacytidine (5-AzaC), an antimetabolite used in the treatment of myelodysplastic syndrome, stabilizes the LDLR mRNA through a previously unrecognized signaling pathway resulting in a strong increase of its protein level in human hepatocytes in culture. 5-AzaC caused a sustained activation of the inositol-requiring enzyme 1alpha (IRE1alpha) kinase domain and c-Jun N-terminal kinase (JNK) independently of endoplasmic reticulum stress. This resulted in activation of the epidermal growth factor receptor (EGFR) and extracellular signal-regulated kinase1/2 (ERK1/2) that, in turn, stabilized LDLR mRNA. Systematic mutation of the AREs (ARE1-3) in the LDLR 3'UTR and expression of each mutant coupled to a luciferase reporter in Huh7 cells demonstrated that ARE1 is required for rapid LDLR mRNA decay and 5-AzaC-induced mRNA stabilization via the IRE1alpha-EGFR-ERK1/2 signaling cascade. The characterization of this pathway will help to reveal potential targets to enhance plasma LDL clearance and novel cholesterol-lowering therapeutic strategies. PMID- 29208428 TI - Lung cancer in Asian women and health system implications for Australia. PMID- 29208429 TI - Checkpoint inhibitors and aspergillosis in AML: the double hit hypothesis. PMID- 29208430 TI - Make Blood Cancer Visible. PMID- 29208431 TI - Cancer in two Renaissance families. PMID- 29208432 TI - Go, no-go decision making for phase 3 clinical trials: ACT IV revisited. PMID- 29208434 TI - Correction to Lancet Oncol 2017; 18: 1555-56. PMID- 29208433 TI - Go, no-go decision making for phase 3 clinical trials: ACT IV revisited - Authors' reply. PMID- 29208435 TI - Correction to Lancet Oncol 2017; 18: 1493-1501. PMID- 29208436 TI - Correction to Lancet Oncol 2016; 17: 1637-38. PMID- 29208437 TI - Correction to Lancet Oncol 2017; 18: 1061-75. PMID- 29208438 TI - An integrated multidisciplinary algorithm for the management of spinal metastases: an International Spine Oncology Consortium report. AB - Spinal metastases are becoming increasingly common because patients with metastatic disease are living longer. The close proximity of the spinal cord to the vertebral column limits many conventional therapeutic options that can otherwise be used to treat cancer. In response to this problem, an innovative multidisciplinary approach has been developed for the management of spinal metastases, leveraging the capabilities of image-guided stereotactic radiosurgery, separation surgery, vertebroplasty, and minimally invasive local ablative approaches. In this Review, we discuss the variables that should be considered during the management of these patients and review the role of each discipline and their respective management options to provide optimal care. This work is synthesised into a practical algorithm to aid clinicians in the management of patients with spinal metastasis. PMID- 29208439 TI - De-novo and acquired resistance to immune checkpoint targeting. AB - Use of immune checkpoint inhibitors targeting the programmed cell death protein 1/programmed cell death-ligand 1 and cytotoxic T lymphocyte-associated protein-4 axes has yielded impressive results in some clinical trials. However, only a subset of patients initially respond to these inhibitors, and increasing clinical evidence indicates that a substantial proportion of initial responders ultimately relapse with lethal, drug-resistant disease months or years later. Studies that have used massively parallel sequencing have shed light on the rich functional landscape of mutations that endow tumour cells with the ability to evade T-cell mediated immunosurveillance. Cancer genomes bear signatures of clonal evolution and selection, particularly implicating acquired defects in interferon receptor signalling and antigen presentation. In this Review, we discuss the biological processes that operate in the formation of so-called immunoresistant niches, and describe the latest progress in the development of combination strategies to reinstate immunosurveillance in immune-refractory tumours. PMID- 29208440 TI - Radiotherapy in the setting of breast reconstruction: types, techniques, and timing. AB - As the use of breast reconstruction and postmastectomy radiotherapy (PMRT) has increased over the past decade, the typical approach to integrating radiotherapy with breast reconstruction has provoked intense controversy in the management of breast cancer. PMRT can lead to an increased frequency of complications in the reconstructed breast. Conversely, the reconstructed breast can increase the complexity of radiotherapy delivery. How to minimise the frequency of complications without compromising oncological or cosmetic outcomes of the reconstructed breast is an important shared multidisciplinary goal for oncologists and their patients. Several questions remain, however, regarding the type of reconstruction that should be used with PMRT, when reconstruction should be done relative to PMRT and whether radiotherapy treatment should be directed towards the tissue expander or the implant for women who opt for a two-stage expander-implant reconstruction. Following advances in the planning of radiotherapy treatment, new questions about the application of these technologies in the setting of breast reconstruction have arisen. In this Review, we address these questions by reviewing contemporary evidence on the optimal integration of radiotherapy and breast reconstruction in the management of breast cancer. PMID- 29208441 TI - European position statement on lung cancer screening. AB - Lung cancer screening with low-dose CT can save lives. This European Union (EU) position statement presents the available evidence and the major issues that need to be addressed to ensure the successful implementation of low-dose CT lung cancer screening in Europe. This statement identified specific actions required by the European lung cancer screening community to adopt before the implementation of low-dose CT lung cancer screening. This position statement recommends the following actions: a risk stratification approach should be used for future lung cancer low-dose CT programmes; that individuals who enter screening programmes should be provided with information on the benefits and harms of screening, and smoking cessation should be offered to all current smokers; that management of detected solid nodules should use semi-automatically measured volume and volume-doubling time; that national quality assurance boards should be set up to oversee technical standards; that a lung nodule management pathway should be established and incorporated into clinical practice with a tailored screening approach; that non-calcified baseline lung nodules greater than 300 mm3, and new lung nodules greater than 200 mm3, should be managed in multidisciplinary teams according to this EU position statement recommendations to ensure that patients receive the most appropriate treatment; and planning for implementation of low-dose CT screening should start throughout Europe as soon as possible. European countries need to set a timeline for implementing lung cancer screening. PMID- 29208442 TI - Defining a global research and policy agenda for betel quid and areca nut. AB - Betel quid and areca nut are known risk factors for many oral and oesophageal cancers, and their use is highly prevalent in the Asia-Pacific region. Additionally, betel quid and areca nut are associated with health effects on the cardiovascular, nervous, gastrointestinal, metabolic, respiratory, and reproductive systems. Unlike tobacco, for which the WHO Framework Convention on Tobacco Control provides evidence-based policies for reducing tobacco use, no global policy exists for the control of betel quid and areca nut use. Multidisciplinary research is needed to address this neglected global public health emergency and to mobilise efforts to control betel quid and areca nut use. In addition, future research is needed to advance our understanding of the basic biology, mechanisms, and epidemiology of betel quid and areca nut use, to advance possible prevention and cessation programmes for betel quid and areca nut users, and to design evidence-based screening and early diagnosis programmes to address the growing burden of cancers that are associated with use. PMID- 29208443 TI - A polymorphous bullous dermatosis. PMID- 29208444 TI - Characterization of outer membrane vesicles of Acetobacter pasteurianus NBRC3283. AB - Acetobacter pasteurianus is characterized as a fermenting bacterium of kurozu, which is a common traditional Japanese black vinegar. Recently, we separated acid resistant and low Toll-like receptor 4 (TLR4)-stimulatory lipopolysaccharides (LPS) from A. pasteurianus. We also showed that their lipid A parts possessed a novel sugar backbone that is responsible for the low TLR4-stimulatory and acid resistant properties of the LPS. Outer membrane vesicles (OMVs) are nano-sized spherical structures secreted from many gram-negative bacteria. OMVs contain LPS and act as immunomodulants such as vaccines. In this study, we investigated OMVs secreted from A. pasteurianus. OMV secretion from A. pasteurianus NBRC 3283 cells was observed after 2 days in culture by transmission electron microscopy imaging. Thus OMVs were separated from the culture supernatants by ultracentrifugation and then purified by OptiPrep density gradient centrifugation. The OMVs contained several proteins including outer membrane proteins, and several sugars as components of LPS. The OMVs weakly stimulated TLR4 in accordance with the activity of A. pasteurianus LPS. Additionally, the TLR2-stimulating activity of the OMVs was significantly potent, indicating the existence of lipoproteins. Furthermore OMV-like spherical particles were observed in kurozu. Some of these particles are probably derived from A. pasteurianus. These data suggest that A. pasteurianus produce OMVs that contain LPS and probably lipoproteins, and can modulate the innate immune system. PMID- 29208445 TI - Optimal Interval for 18F-FDG-PET After Chemoradiotherapy for Rectal Cancer. AB - INTRODUCTION: Although 18F-fluorodeoxyglucose (FDG)-positron emission tomography (PET) has been increasingly used to evaluate the response to preoperative chemoradiotherapy (CRT) in patients with rectal cancer, the optimal intervals between completion of CRT, PET, and surgery have not been fully investigated. PATIENTS AND METHODS: A total of 148 consecutive patients with rectal adenocarcinoma who received CRT followed by FDG-PET and radical surgery were retrospectively analyzed. The association between the FDG-PET maximum standardized uptake value (SUVmax) and pathological response was assessed using a logistic regression model, with a primary focus on the intervals between CRT and PET as well as between PET and surgery. RESULTS: The baseline SUVmax showed no association with pathological response (P = .201; area under the curve [AUC] = 0.528), whereas the SUVmax after CRT completion showed a strong association (P < .001; AUC = 0.707). Logistic regression analysis revealed that the ability of the SUVmax to accurately predict pathological good responders was significantly associated with a long CRT-PET interval (>= 7 weeks; P = .027), but was not affected by the length of PET-surgery interval. In patients with a short CRT-PET interval (< 7 weeks), the ability of the SUVmax to predict good responders was poor (P = .201; AUC = 0.669); however, in patients with long intervals (>= 7 weeks), the predictive ability markedly improved (P < .001; AUC = 0.879). CONCLUSION: A minimum wait time of 7 weeks is recommended before performing FDG PET after neoadjuvant CRT for rectal cancer to obtain maximal predictive accuracy for pathological response. PMID- 29208446 TI - Person-Centered Care Planning: Preferences Are a Priority. PMID- 29208447 TI - Impact of Advanced Practice Registered Nurses on Quality Measures: The Missouri Quality Initiative Experience. AB - PURPOSE: The purpose of this article is to review the impact of advanced practice registered nurses (APRNs) on the quality measure (QM) scores of the 16 participating nursing homes of the Missouri Quality Initiative (MOQI) intervention. The MOQI was one of 7 program sites in the US, with specific interventions unique to each site tested for the Centers for Medicaid and Medicare Services Innovations Center. While the goals of the MOQI for long-stay nursing home residents did not specifically include improvement of the QM scores, it was anticipated that improvement most likely would occur. Primary goals of the MOQI were to reduce the frequency of avoidable hospital admissions and readmissions; improve resident health outcomes; improve the process of transitioning between inpatient hospitals and nursing facilities; and reduce overall healthcare spending without restricting access to care or choice of providers. METHODS: A 2-group comparison analysis was conducted using statewide QMs; a matched comparison group was selected from facilities in the same counties as the intervention homes, similar baseline QM scores, similar size and ownership. MOQI nursing homes each had an APRN embedded full-time to improve care and help the facility achieve MOQI goals. Part of their clinical work with residents and staff was to focus on quality improvement strategies with potential to influence healthcare outcomes. Trajectories of QM scores for the MOQI intervention nursing homes and matched comparison group homes were tested with nonparametric tests to examine for change in the desired direction between the 2 groups from baseline to 36 months. A composite QM score for each facility was constructed, and baseline to 36-month average change scores were examined using nonparametric tests. Then, adjusting for baseline, a repeated measures analysis using analysis of covariance as conducted. RESULTS: Composite QM scores of the APRN intervention group were significantly better (P = .025) than the comparison group. The repeated measures analysis identified statistically significant group by time interaction (P = .012). Then group comparisons were made at each of the 6 month intervals and statistically significant differences were found at 24 months (P = .042) and 36 months (P = .002), and nearly significant at 30 months (P = .11). IMPLICATIONS: APRNs working full time in nursing homes can positively influence quality of care, and their impact can be measured on improving QMs. As more emphasis is placed on quality and outcomes for nursing home services, providers need to find successful strategies to improve their QMs. Results of these analyses reveal the positive impact on QM outcomes for the majority of the MOQI nursing homes, indicating budgeting for APRN services can be a successful strategy. PMID- 29208448 TI - Investigation of TGFbetaR2 SNP rs4522809, Osteopontin, TGF beta1 and their association with dilatative pathology of ascending thoracic aorta. AB - BACKGROUND: Dilatative pathology of the ascending thoracic aorta (DPATA) is characterized by the aortic wall expansion more than 1.5 and could be accompanied by aortic wall rupture. Mutations of TGFBR2 gene demonstrated an association with syndromic DPATA and altered pathway of transforming growth factor beta (TGF beta). Elevated TGF-beta1 level has been found in blood samples in DPATA group. Moreover, elevated osteopontin (OPN) level was associated with mutations of TGFBR2 gene. Based on recently published findings, we aimed to evaluate genotyping results of TGFBR2 rs4522809 and the association with circulating OPN and TGF-beta1 concentrations within DPATA patients. METHODS AND FINDINGS: TGFBR2 SNP genotyping assay was performed by quantitative real-time PCR, TGF-beta1 and OPN concentrations were measured using enzyme-linked immunosorbent assay. Genotyping results showed G allele to be associated with DPATA (p = .01), the presence of G allele significantly increased the possibility of DPATA by 1.67 times (OR = 1.67, 95%, CI = 1.12-2.47). TGF-beta1 concentration was significantly higher in DPATA subjects compared with Reference group (p = 0,001). Finally, we found moderate inverse correlation (r = -0,524) between circulating TGF-beta1 and OPN levels within DPATA subjects (p = 0,002), as increasing levels of TGF-beta1 cytokine significantly decrease concentration of OPN. CONCLUSIONS: This is the first report on the association between previously defined TGFbetaR2 SNP rs4522809 linked with dilatation of ascending thoracic aorta. Also, for the first time we report the inversed correlation between circulating TGF-beta1 and OPN concentrations in DPATA subjects indicating the possible biomarkers for DPATA. PMID- 29208450 TI - Intracameral Chemotherapy for Globe Salvage in Retinoblastoma with Secondary Anterior Chamber Invasion. PMID- 29208449 TI - Surgical Treatment of Thoracic Spinal Tuberculosis: A Multicenter Retrospective Study. AB - OBJECTIVE: The aim of the present multicenter, retrospective study was to assess the safety and effectiveness of different surgery strategies for the treatment of thoracic tuberculosis and to provide a reference for surgical treatment of thoracic tuberculosis. MATERIALS AND METHODS: This study reviewed 394 patients with thoracic tuberculosis who were treated in 6 institutions between January 2000 and January 2015. There were 208 men and 186 women with an average age of 34.92 +/- 13.14 years (range 5-76 years). A total of 73 patients underwent one stage anterior surgery (group A); 84 underwent an anterior combined posterior surgery (group B); and 237 underwent one-stage posterior surgery (group C). Clinical outcome, laboratory indexes, and radiologic results were analyzed to observe the advantage of posterior approach surgery. RESULTS: All cases were followed up for about 26-60 months (average of 37 months). At the last follow-up, all patients reached bone fusion, pain relief, and neurologic recovery. There were significant differences before and after treatment in terms of the visual analog scale and Oswestry Disability Index scores (P < 0.05). Posterior approach significantly improved kyphosis (P < 0.05). CONCLUSIONS: Posterior fixation is superior to anterior fixation in the correction of kyphosis and maintenance of spinal stability. One-stage posterior surgery can achieve the same efficacy as anterior-only or combined surgery, with less trauma, less blood loss, and shorter operative times. However, for wide lesions or paraspinal abscesses, severe bone destruction, and anterior and middle column defects that are too large after debridement to require long segment bone grafting, the anterior combined posterior approach is indispensable. PMID- 29208451 TI - [Influence of occupation on cognitive impairment with no dementia in a sample population over 55 years from Zaragoza]. AB - INTRODUCTION: The prevalence of cognitive impairment with no dementia (CIND) varies between 5.1% and 35.9%, increasing between 65 and 85 years. The CIND increases the risk of dementia. Factors such as education, occupation, and social activities are associated with the risk of cognitive impairment. The main objective of this study was to analyse the association between the main occupation developed throughout life and CIND in a general population sample of over 55 years. METHODS: In wave I of the ZARADEMP Project, a sample (n=4803) of people over 55 years was interviewed. CIND measurement was obtained through the Mini Mental State Examination. Occupational activity data were recoded into white collar, blue collar, homemakers, and farmers. The association between the occupation variables and CIND was estimated using the odds ratio, and 95% confidence intervals using logistic regression equations. RESULTS: The prevalence of CIND in the sample was 28.2%. As regards white collar workers, the CIND diagnosis odds was 53% higher for blue collar workers, 77% higher for women who were homemakers and almost twice for farmers, after controlling for socio demographic, behavioural and clinical variables. All results were statistically significant. CONCLUSIONS: CIND frequency is influenced by the previous occupation of the subjects. An occupation with higher intellectual requirements can help keep cognitive functions intact for longer. PMID- 29208452 TI - External validation of mortality prognostic indices after hospital discharge in older adults. PMID- 29208453 TI - Comparison of survival between hemodialysis and peritoneal dialysis patients with end-stage renal disease in the era of icodextrin treatment. AB - BACKGROUND: Icodextrin could reduce the risk of technique failure and improve patient survival in peritoneal dialysis (PD) patients. This study compared the survival between incident hemodialysis (HD) and PD patients, with and without diabetes, in the era of icodextrin treatment. METHODS: From the Taiwan health insurance database, 53,103 incident end-stage renal disease patients undergoing dialysis were identified from 2005 to 2010. The mortality risks among HD and PD patients with or without icodextrin treatment were compared. The follow-up period started from the date of dialysis initiation to December 31, 2011. The competing risks regression model was used to estimate the subhazard ratio (SHR) of death with considering renal transplantation as a competing event. RESULTS: Compared with the corresponding HD patients, mortality risks were higher in diabetic PD patients with icodextrin treatment (Bonferroni adjusted SHR=1.16, 98.3% CI=1.04 1.30) and without the treatment (Bonferroni adjusted SHR=1.35, 98.3% CI=1.16 1.57), particularly for elderly patients. Mortality risks for patients without diabetes were not different among the three cohorts. The time-dependent competing risks model showed that PD patients with icodextrin treatment exhibited a reduced risk of death for diabetic patients, compared with those without icodextrin treatment (adjusted SHR=0.84, 95% CI=0.72-0.97). CONCLUSIONS: Icodextrin could attenuate the survival disadvantage for PD relative to HD in diabetic patients, particularly for the elderly patients. PMID- 29208454 TI - Pope Francis and the end-of-life: Time for serious reflection. PMID- 29208455 TI - High prevalence and incidence of HPV-related anal cancer precursor lesions in HIV positive women in the late HAART era. AB - INTRODUCTION: Anal cancer is one of the most common non-AIDS defining malignancies, especially in men who have sex with men and women living with HIV (WLHIV). OBJECTIVES: To evaluate the prevalence and incidence of precursor lesions (high-grade squamous intraepithelial lesions [HSIL]) and anal cancer in our cohort of women and to compare them to cervical lesions; to calculate the percentage of patients that acquire and clear oncogenic genotypes (HR-HPV) in the anal canal; and to determine predictive factors for anal HPV infection. PATIENTS AND METHODS: Prospective-longitudinal study (May 2012-December 2016). At baseline (V1) and follow up visits, anal mucosa samples were taken in liquid medium for cytology and HPV PCR. In cases of abnormal anal cytology and/or positive HR-HPV PCR results, a high resolution anoscopy was performed. Patients were also referred to the gynaecologist. RESULTS: Ninety five women with an average age of 43.7years were included. At baseline, 11.6% had cervical abnormalities (4.1% CIN1, 2.2% CIN2/3, 1.1% cervical cancer), 64.3% anal abnormalities (50% LSIL/AIN1, 9.5% HSIL/AIN2/3 and 2.4% anal cancer) and 49.4% had HR-HPV genotypes. During 36months of follow up, the incidence of anal HSIL was 16*1,000 person years; 14.8% acquired HR-HPV genotypes and 51.2% cleared them, P=.007. No patients presented CIN1/2/3/ or cervical cancer. In the multivariate analysis we found the following predictive factors for HR-HPV infection: smoking (RR: 1.55, 95%CI: 0.99-2.42), number of sexual partners >3 (RR: 1.69; 95%CI: 1.09-2.62), cervical and anal dysplasia (RR: 1.83; 95%CI: 1.26-2.67) and (RR: 1.55; 95%CI: 1.021-2.35), respectively. CONCLUSIONS: Despite clearance rates of anal oncogenic genotypes being higher than acquisition rates, prevalence and incidence of HSIL were still high and greater than cervical HSIL. Therefore, screening for these lesions should perhaps be offered to all WLHIV. PMID- 29208456 TI - Human immunodeficiency virus screening: Is it appropriate in hospital emergency departments? PMID- 29208457 TI - How, when and whom, selective screening of HIV at the emergency department. PMID- 29208458 TI - Inhibition of TGF-beta pathway reverts extracellular matrix remodeling in T. cruzi-infected cardiac spheroids. AB - Chagasic cardiomyopathy (CC) is the main manifestation of Chagas Disease (CD). CC is a progressive dysfunctional illness, in which transforming growth factor beta (TGF-beta) plays a central role in fibrogenesis and hypertrophy. In the present study, we tested in a three-dimensional (3D) model of cardiac cells culture (named cardiac spheroids), capable of mimicking the aspects of fibrosis and hypertrophy observed in CC, the role of TGF-beta pathway inhibition in restoring extracellular matrix (ECM) balance disrupted by T. cruzi infection. Treatment of T. cruzi-infected cardiac spheroids with SB 431542, a selective inhibitor of TGF beta type I receptor, resulted in a reduction in the size of spheroids, which was accompanied by a decrease in parasite load and in fibronectin expression. The inhibition of TGF-beta pathway also promoted an increase in the activity of matrix metalloproteinase (MMP)-2 and a decrease in tissue inhibitor of matrix metalloproteinase (TIMP)-1 expression, which may be one of the mechanisms regulating extracellular matrix remodeling. Therefore, our study provides new insights into the molecular mechanisms by which inhibition of TGF-beta signaling reverts fibrosis and hypertrophy generated by T. cruzi during CC and also highlights the use of cardiac spheroids as a valuable tool for the study of fibrogenesis and anti-fibrotic compounds. PMID- 29208459 TI - MiR-3202 protects smokers from chronic obstructive pulmonary disease through inhibiting FAIM2: An in vivo and in vitro study. AB - Previous study found the variable miR-3202 as a potential biomarker in smoker with or without chronic obstructive pulmonary disease (COPD). This study aims to identify the molecular involvement of miR-3202 in the pathophysiology of COPD. Level of miR-3202 in blood sample of non-smoker non-COPD(C), smoker without COPD(S), smoker with stable COPD(S-COPD) and smoker with acute exacerbation COPD(AE-COPD) was observed by quantitative real-time PCR. By bioinformatics prediction, Fas apoptotic inhibitory molecule 2 (FAIM2) was identified as a potential target of miR-3202. In vitro, human bronchial epithelial (HBE) cells and cigarette smoke extract (CSE) stimulated T lymphocytes were co-cultured. Cell proliferation and apoptosis of HBE cells were determinated. In vivo, rats were exposed in cigarette smoke for 30 days and expression of miR-3202 and FAIM2 in bronchia were detected. Results showed that The miR-3202 was down-regulated in S, S-COPD and AE-COPD group when compared with C group. Decreased level of miR-3202 was also observed in CSE treated T lymphocyte. Additionally, CSE stimulation increased INF-gamma and TNF-alpha levels and FAIM2 expression whereas inhibited Fas and FasL expressions in T lymphocytes. However, these effects were significantly suppressed by miR-3202 overexpression and enhanced by miR-3202 inhibitor. Likely to exogenous miR-3202, FAIM2 knockdown significantly inhibited HBE cells apoptosis, as well as inhibited INF-gamma and TNF-alpha levels. In COPD rats model, miR-3202 was reduced while FAIM2 was up-regulated accordingly. Here, results suggest that high level miR-3202 in T lymphocytes may protect epithelial cells through targeting FAIM2. MiR-3202 might be used as a notable biomarker of COPD. PMID- 29208460 TI - RalGPS2 is involved in tunneling nanotubes formation in 5637 bladder cancer cells. AB - RalGPS2 is a Ras-independent Guanine Nucleotide Exchange Factor (GEF) for RalA containing a PH domain and an SH3-binding region and it is involved in several cellular processes, such as cytokinesis, control of cell cycle progression, differentiation, cytoskeleton organization and rearrangement. Up to now, few data have been published regarding RalGPS2 role in cancer cells, and its involvement in bladder cancer is yet to be established. In this paper we demonstrated that RalGPS2 is expressed in urothelial carcinoma-derived 5637 cancer cells and is essential for cellular growth. These cells produces thin membrane protrusions that displayed the characteristics of actin rich tunneling nanotubes (TNTs) and here we show that RalGPS2 is involved in the formation of these cellular protrusions. In fact the overexpression of RalGPS2 or of its PH-domain increased markedly the number and the length of nanotubes, while the knock-down of RalGPS2 caused a strong reduction of these structures. Moreover, using a series of RalA mutants impaired in the interaction with different downstream components (Sec5, Exo84, RalBP1) we demonstrated that the interaction of RalA with Sec5 is required for TNTs formation. Furthermore, we found that RalGPS2 interacts with the transmembrane MHC class III protein leukocyte specific transcript 1 (LST1) and RalA, leading to the formation of a complex which promotes TNTs generation. These findings allow us to add novel elements to molecular models that have been previously proposed regarding TNTs formation. PMID- 29208461 TI - Simvastatin inhibits the development of radioresistant esophageal cancer cells by increasing the radiosensitivity and reversing EMT process via the PTEN-PI3K/AKT pathway. AB - Acquired radioresistance compromises the efficacy of radiotherapy for carcinomas including esophageal cancer (EC), thus resulting in recurrence and poor survival. Recent research corroborated radiosensitive function of simvastatin in stem-like breast cancer cells. However, its role in EC radioresistance remains poorly elucidated. Here, we developed a radioresistant EC cell line Ec9706-R with higher resistance to irradiation relative to control Ec9706 cells. Intriguingly, Ec9706 R cells exhibited epithelial-mesenchymal transition (EMT) characteristics with high invasion and migration ability. Simvastatin sensitized radioresistance of Ec9706-R cells and suppressed cell proliferation, but aggravated radiation induced apoptosis and caspase-3 activity. Furthermore, simvastatin reversed EMT and inhibited cell invasion and migration of Ec9706-R cells. Mechanism assay confirmed the activation of PI3K/AKT pathway after radiation, which was inhibited by simvastatin. After restoring this pathway by its activator, IGF-1, simvastatin mediated radiosensitivity and EMT reversion were abrogated. Further assay substantiated the PTEN suppression after irradiation, which was elevated following simvastatin pre-treatment. Moreover, PTEN cessation attenuated the inhibitory effect of simvastatin on PI3K/AKT activation, and subsequently antagonized simvastatin-induced radiosensitivity and EMT reversion. Additionally, simvastatin aggravated radiation-mediated Ec9706-R tumor growth inhibition. Together, simvastatin inhibits the development of Ec9706-R cells by increasing radiosensitivity and reversing EMT via PTEN-PI3K/AKT pathway, implying a promising strategy against EC radioresistance. PMID- 29208462 TI - MicroRNA-630 inhibits breast cancer progression by directly targeting BMI1. AB - MicroRNAs (miRNAs) play critical roles in breast cancer cell biological processes, including proliferation and apoptosis by inhibiting the expression of their target genes. Herein, we reported that miR-630 overexpression initiates apoptosis, blocks cell cycle progression and suppresses cell proliferation in breast cancer cells. Furthermore, BMI1, a member of polycomb group family, was identified as a direct target of miR-630, and there was a negative correlation between the expression levels of BMI1 and miR-630 in human breast cancer samples. With a series of biology approaches, subsequently, we proved that BMI1 was a functional downstream target of miR-630 and mediated the property of miR-630 dependent inhibition of breast cancer progression. Taken together, these findings provide further evidence on the tumor-suppression function of miR-630 in breast cancer, and clarify BMI1 as a novel functional target gene of miR-630. PMID- 29208463 TI - Stellate ganglion block ameliorates vascular calcification by inhibiting endoplasmic reticulum stress. AB - AIMS: Vascular calcification (VC) underlies substantial cardiovascular morbidity and mortality. No clinically therapies have emerged presently. Stellate ganglion block (SGB) is one of the most often used sympathetic blockade procedure, and regulates vascular dilation. However, the effect of SGB on VC is still unknown. Therefore, we aimed to identify the ameliorative effect of SGB on VC. KEY FINDING: In vivo VC was induced in rats by administering vitamin D3 plus nicotine (VDN), and in vitro calcification of rat aortic vascular smooth muscle cells (VSMC) was induced by beta-glycerophosphate. In VDN rats, alkaline phosphatase (ALP) activity and Calcium contents were higher than that in control rats. The transformation of VSMC from contractile to osteoblast-like phenotype was observed in calcified aorta. SGB ameliorated the increase of ALP activity and Calcium content, and the transformation of VSMC in calcified aorta. The stimulation of endoplasmic reticulum stress (ERS) in calcified aorta was also attenuated by SGB treatment. The inducer of ERS, tunicamycin could block the beneficial effect of SGB on VC, and the ERS inhibitor, 4-PBA could mimic the amelioration of SGB. Furthermore, SGB attenuated the increased plasma levels of norepinephrine in VDN rats. In vitro experiments, norepinephrine exaggerated VSMC calcification, phenotype transformation and ERS. SIGNIFICANCE: These results demonstrate that SGB could inhibit sympathetic nervous activity, and then prevent the activation of ERS followed by ameliorating VC. Sympathetic over-activation might play critical role in the pathogenesis of VC, which provides new strategy and target for therapy and prevention of VC. PMID- 29208465 TI - A curvature-dependent membrane binding by tyrosine kinase Fer involves an intrinsically disordered region. AB - Tyrosine kinases are important enzymes that mediate signal transduction at the plasma membrane. While the significance of membrane localization of tyrosine kinases has been well evaluated, the role of membrane curvature in their regulation is unknown. Here, we demonstrate that an intrinsically disordered region in the tyrosine kinase Fer acts as a membrane curvature sensor that preferentially binds to highly curved membranes in vitro. This region forms an amphipathic alpha-helix upon interaction with curved membranes, aligning hydrophobic residues on one side of the helical structure. Further, the tyrosine kinase activity of Fer is significantly enhanced by the membrane in a manner dependent on curvature. We propose a model for the regulation of Fer based on an intramolecular interaction and the curvature-dependent membrane binding mediated by its intrinsically disordered region. PMID- 29208464 TI - Risk factors for postpolypectomy bleeding in patients receiving anticoagulation or antiplatelet medications. AB - BACKGROUND AND AIMS: Balancing the risks for thromboembolism and postpolypectomy bleeding in patients requiring anticoagulation and antiplatelet agents is challenging. We investigated the incidence and risk factors for postpolypectomy bleeding on anticoagulation, including heparin bridge and other antithrombotic therapy. METHODS: We performed a retrospective cohort and case control study at 2 tertiary-care medical centers from 2004 to 2012. Cases included male patients on antithrombotics with hematochezia after polypectomy. Nonbleeding controls were matched to cases 3 to 1 by antithrombotic type, study site, polypectomy technique, and year of procedure. Our outcomes were the incidence and risk factors for postpolypectomy bleeding. RESULTS: There were 59 cases and 174 matched controls. Postpolypectomy bleeding occurred in 14.9% on bridge anticoagulation. This was significantly higher than the overall incidence of bleeding on antithrombotics at 1.19% (95% confidence interval, 0.91%-1.54%) (59/4923). We identified similarly low rates of bleeding in patients taking warfarin (0.66%), clopidogrel (0.84%), and aspirin (0.92%). Patients who bled tended to have larger polyps (13.9 vs 7.3 mm; P < .001) and more polyps >=2 cm (41% vs 10%; P < .001). Bleeding risk was increased with restarting antithrombotics within 1 week postpolypectomy (odds ratio [OR] 4.50; P < .001), having polyps >=2 cm (OR 5.94; P < .001), performing right-sided cautery (OR 2.61; P = .004), and having multiple large polyps (OR 2.92; P = .001). Among patients on warfarin, the presence of bridge anticoagulation was an independent risk factor for postpolypectomy bleeding (OR 12.27; P = .0001). CONCLUSION: We conclude that bridge anticoagulation is associated with a high incidence of postpolypectomy bleeding and is an independent risk factor for hemorrhage compared with patients taking warfarin alone. A higher threshold to use bridge anticoagulation should be considered in patients with an elevated bleeding risk. PMID- 29208467 TI - Human proton coupled folic acid transporter is a monodisperse oligomer in the lauryl maltose neopentyl glycol solubilized state. AB - The human proton coupled folic acid transporter PCFT is the major import route for dietary folates. Mutations in the gene encoding PCFT cause hereditary folic acid malabsorption, which manifests itself by compromised folate absorption from the intestine and also in impaired folate transport into the central nervous system. Since its recent discovery, PCFT has been the subject of numerous biochemical studies aiming at understanding its structure and mechanism. One major focus has been its oligomeric state, with some reports supporting oligomers and others a monomer. Here, we report the overexpression and purification of recombinant PCFT. Following detergent screening, n-Dodecyl beta-D-maltoside (DDM) and lauryl maltose neopentyl glycol (LMNG) were chosen for further work as they exhibited the most optimal solubilization. We found that purified detergent solubilized PCFT was able to bind folic acid, thus indicating a functionally active protein. Size exclusion chromatography showed that PCFT in DDM was polydisperse; the LMNG preparation was clearly monodisperse but with shorter retention time than the major DDM peak. To assess the oligomeric state negative stain electron microscopy was performed which showed a particle with the size of a PCFT dimer. PMID- 29208466 TI - Chetomin induces apoptosis in human triple-negative breast cancer cells by promoting calcium overload and mitochondrial dysfunction. AB - Human triple-negative breast cancer (TNBC) is poorly diagnosed and unresponsive to conventional hormone therapy. Chetomin (CHET), a fungal metabolite synthesized by Chaetomium cochliodes, has been reported as a promising anticancer and antiangiogenic agent but the complete molecular mechanism of its anticancer potential remains to be elucidated. In our study, we explored the anti-neoplastic action of CHET on TNBC cells. Cytotoxicity studies were performed in human TNBC cells viz. MDA-MB-231 and MDA-MB-468 cells by Sulforhodamine B assay. It exhibited antiproliferative response and induced apoptosis in both the cell types. Cell cycle analysis revealed that it increases the sub G0/G1 phase cell population. Modulation of mitochondrial membrane potential, activation of caspase 3/7 and a remarkable increase in the expression of cleaved PARP and increased chromatin condensation was observed after CHET treatment in MDA-MB-231 and MDA-MB 468 cells. Additionally, an elevated level of intracellular Ca2+ played an important role in CHET mediated cell death response. Calcium overload in mitochondria led to release of cytochrome c which in turn triggered caspase-3 mediated cell death. Inhibition of calcium signalling using BAPTA-AM reduced apoptosis confirming the involvement of calcium signalling in CHET induced cell death. Chetomin also inhibited PI3K/mTOR cell survival pathway in human TNBC cells. The overall findings suggest that Chetomin inhibited the growth of human TNBC cells by caspase-dependent apoptosis and modulation of PI3K/mTOR signalling and could be used as a novel chemotherapeutic agent for the treatment of human TNBC in future. PMID- 29208468 TI - Elevated Markers of Death Receptor-Activated Apoptosis are Associated with Increased Risk for Development of Diabetes and Cardiovascular Disease. PMID- 29208470 TI - On the statistical analysis of single cell lineage trees. AB - Stem cells play a central role in the regeneration and repair of multicellular organisms. However, it remains far from trivial to reliably identify them. Despite decades of work, current techniques to isolate hematopoietic stem cells (HSCs) based on cell-surface markers only result in 50% purity, i.e. half of the sorted cells are not stem cells when functionally tested. Modern microscopy techniques allow us to follow single cells and their progeny for up to weeks in vitro, while recording the cell fates and lifetime of each individual cell. This cell tracking generates so-called lineage trees. Here, we propose statistical techniques to determine if the initial cell in a lineage tree was a HSC. We apply these techniques to murine hematopoietic lineage trees, revealing that 18% of the trees in our HSC dataset display a unique signature, and this signature is compatible with these trees having started from a true stem cell. Assuming 50% purity of HSC empirical datasets, this corresponds to a 0.35 power of the test, and the type-1-error is estimated to be 0.047. In summary, this study shows that statistical analysis of lineage trees could improve the classification of cells, which is currently done based on bio-markers only. Our statistical techniques are not limited to mammalian stem cell biology. Any type of single cell lineage trees, be it from bacteria, single cell eukaryotes, or single cells in a multicellular organism can be investigated. We expect this to contribute to a better understanding of the molecules influencing cellular dynamics at the single cell level. PMID- 29208471 TI - High dietary intake of aromatic amino acids increases risk of hypertension. AB - Recent studies investigated the relation between amino acids and blood pressure. Our aim was to examine the association between intake of aromatic amino acids (AAAs) and risk of hypertension. A total of 4288 individuals, aged 20-70 years, participants of the Tehran Lipid and Glucose Study, who were free of hypertension at baseline (2008-2011), were followed for 3 years (2011-2014). Average intakes of AAAs including phenylalanine, tyrosine, and tryptophan were collected using a valid and reliable food frequency questionnaire at baseline. Adjusted logistic regression models were used to report odds ratio (OR) of hypertension across quartiles of AAAs. At the end of follow-up, 429 (10%) hypertension cases were ascertained. The adjusted OR of hypertension for percentage of AAAs from total protein intakes was 1.63 (95% confidence interval, 1.06-2.50; P for trend: .03) when comparing the highest quartile to the lowest. Furthermore, in the adjusted analyses, a statistically significant positive relationship was observed between the highest versus the lowest quartile intake of phenylalanine (OR = 1.66; 95% confidence interval, 1.14-2.47; P for trend: .03). However, there was no significant association of tyrosine and tryptophan intakes with hypertension risk. Our data suggest that AAAs may increase the risk of incident hypertension. PMID- 29208469 TI - An Elastomeric Polymer Matrix, PEUU-Tac, Delivers Bioactive Tacrolimus Transdurally to the CNS in Rat. AB - Central nervous system (CNS) neurons fail to regrow injured axons, often resulting in permanently lost neurologic function. Tacrolimus is an FDA-approved immunosuppressive drug with known neuroprotective and neuroregenerative properties in the CNS. However, tacrolimus is typically administered systemically and blood levels required to effectively treat CNS injuries can lead to lethal, off-target organ toxicity. Thus, delivering tacrolimus locally to CNS tissues may provide therapeutic control over tacrolimus levels in CNS tissues while minimizing off-target toxicity. Herein we show an electrospun poly(ester urethane) urea and tacrolimus elastomeric matrix (PEUU-Tac) can deliver tacrolimus trans-durally to CNS tissues. In an acute CNS ischemia model in rat, the optic nerve (ON) was clamped for 10s and then PEUU-Tac was used as an ON wrap and sutured around the injury site. Tacrolimus was detected in PEUU-Tac wrapped ONs at 24h and 14days, without significant increases in tacrolimus blood levels. Similar to systemically administered tacrolimus, PEUU-Tac locally decreased glial fibrillary acidic protein (GFAP) at the injury site and increased growth associated protein-43 (GAP-43) expression in ischemic ONs from the globe to the chiasm, consistent with decreased astrogliosis and increased retinal ganglion cell (RGC) axon growth signaling pathways. These initial results suggest PEUU-Tac is a biocompatible elastic matrix that delivers bioactive tacrolimus trans durally to CNS tissues without significantly increasing tacrolimus blood levels and off-target toxicity. PMID- 29208472 TI - Role of transglutaminase 2 in A1 adenosine receptor- and beta2-adrenoceptor mediated pharmacological pre- and post-conditioning against hypoxia-reoxygenation induced cell death in H9c2 cells. AB - Pharmacologically-induced pre- and post-conditioning represent attractive therapeutic strategies to reduce ischaemia/reperfusion injury during cardiac surgery and following myocardial infarction. We have previously reported that transglutaminase 2 (TG2) activity is modulated by the A1 adenosine receptor and beta2-adrenoceptor in H9c2 cardiomyoblasts. The primary aim of this study was to determine the role of TG2 in A1 adenosine receptor and beta2-adrenoceptor-induced pharmacological pre- and post-conditioning in the H9c2 cells. H9c2 cells were exposed to 8h hypoxia (1% O2) followed by 18h reoxygenation, after which cell viability was assessed by monitoring mitochondrial reduction of MTT, lactate dehydrogenase release and caspase-3 activation. N6-cyclopentyladenosine (CPA; A1 adenosine receptor agonist), formoterol (beta2-adrenoceptor agonist) or isoprenaline (non-selective beta-adrenoceptor agonist) were added before hypoxia/reoxygenation (pre-conditioning) or at the start of reoxygenation following hypoxia (post-conditioning). Pharmacological pre- and post-conditioning with CPA and isoprenaline significantly reduced hypoxia/reoxygenation-induced cell death. In contrast, formoterol did not elicit protection. Pre-treatment with pertussis toxin (Gi/o-protein inhibitor), DPCPX (A1 adenosine receptor antagonist) or TG2 inhibitors (Z-DON and R283) attenuated the A1 adenosine receptor-induced pharmacological pre- and post-conditioning. Similarly, pertussis toxin, ICI 118,551 (beta2-adrenoceptor antagonist) or TG2 inhibition attenuated the isoprenaline-induced cell survival. Knockdown of TG2 using small interfering RNA (siRNA) attenuated CPA and isoprenaline-induced pharmacological pre- and post conditioning. Finally, proteomic analysis following isoprenaline treatment identified known (e.g. protein S100-A6) and novel (e.g. adenine phosphoribosyltransferase) protein substrates for TG2. These results have shown that A1 adenosine receptor and beta2-adrenoceptor-induced protection against simulated hypoxia/reoxygenation occurs in a TG2 and Gi/o-protein dependent manner in H9c2 cardiomyoblasts. PMID- 29208473 TI - Role of beta2- and beta3-adrenoceptors in arterial stiffness in a state of hypertension. AB - An increase in arterial stiffness is associated with a high risk for morbidity and mortality in a state of elevated systemic pressure. The sympathetic nervous system plays an important role in the regulation of vascular tone via activation of beta-adrenoceptors. The aim of this investigation was to determine the involvement of beta-adrenoceptors in the control of arterial stiffness in a state of hypertension versus normotension. Pulse wave velocity (PWV), an index of vascular stiffness, was assessed in isoflurane-anaesthetized 13-14-week-old male spontaneously hypertensive (SH) and Wistar-Kyoto (WKY) rats. At baseline, PWV was significantly higher in SH (9.2+/-0.9m/s) compared to WKY rats (6.7+/-0.4m/s). The stimulation of beta2- but not beta3-adrenoceptors significantly reduced PWV in SH rats despite comparable reductions in blood pressure. Stimulation of beta2- or beta3-adrenoceptors did not reduce PWV in WKY rats. The administration of sodium nitroprusside (SNP) also significantly reduced PWV in SH but not WKY rats. Immunofluorescence revealed the expression of beta2- and beta3-adrenoceptors in endothelial cells and vascular smooth muscle cells of the abdominal aorta. There were no significant differences in the distribution of the expression of beta2- and beta3-adrenoceptors in endothelial and/or smooth muscle cells in blood vessels of SH compared to WKY rats. The evidence suggests that beta2-adrenoceptor stimulation and SNP infusion reduce PWV independently from reduction in blood pressure in a state of high systemic arterial pressure. A reduction in vascular tone of the central arteries may play a key role in decreasing PWV that is elevated due to stiffer arterial wall. PMID- 29208474 TI - Caenorhabditis elegans as a model system for target identification and drug screening against neurodegenerative diseases. AB - Over the past decades, Caenorhabditis elegans (C. elegans) has been widely used as a model system because of its small size, transparent body, short generation time and lifespan (~3 days and 3 weeks, respectively), completely sequenced genome and tractability to genetic manipulation. Protein misfolding and aggregation are key pathological features in neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease and Amyotrophic lateral sclerosis. Animal models, including C. elegans, have been extensively used to discover and validate new drugs against neurodegenerative diseases. The well-defined and genetically tractable nervous system of C. elegans offers an effective model to explore basic mechanistic pathways of neurodegenerative diseases. Recent progress in high-throughput drug screening also provides a powerful approach for identifying chemical modulators of biological processes. Here, we summarize the latest progress of using C. elegans as a model system for target identification and drug screening in neurodegenerative diseases. PMID- 29208475 TI - Cortical bone trajectory screws fixation in lumbar adjacent segment disease: A technique note with case series. AB - Lumbar adjacent segment disease after lumbar fusion surgery often requires surgical intervention. However, subsequent surgical treatment often needs to expose and remove all of the previous instruments. This additional surgery leads to significant post-operative pain, muscular fibrosis, poor wound healing and infection, etc. From October 2015 to March 2016, we collected six cases underwent cortical bone trajectory screws fixation with minimal invasive inter-body cage fusion for lumbar adjacent segment disease. Patients in the study all had improvement after surgery without recurrence or instruments failure during follow up. The technique negates removal of pre-existing instruments and when combined with minimal invasive fusion surgery, the wound length, blood loss and soft tissue damage could be reduced compared with traditional surgery. We introduce the surgical procedures in detail and wish this technique could be an option for spine surgeons who encounter a similar situation. PMID- 29208476 TI - What does best evidence tell us about robotic gait rehabilitation in stroke patients: A systematic review and meta-analysis. AB - BACKGROUND: Studies about electromechanical-assisted devices proved the validity and effectiveness of these tools in gait rehabilitation, especially if used in association with conventional physiotherapy in stroke patients. OBJECTIVE: The aim of this study was to compare the effects of different robotic devices in improving post-stroke gait abnormalities. METHODS: A computerized literature research of articles was conducted in the databases MEDLINE, PEDro, COCHRANE, besides a search for the same items in the Library System of the University of Parma (Italy). We selected 13 randomized controlled trials, and the results were divided into sub-acute stroke patients and chronic stroke patients. We selected studies including at least one of the following test: 10-Meter Walking Test, 6 Minute Walk Test, Timed-Up-and-Go, 5-Meter Walk Test, and Functional Ambulation Categories. RESULTS: Stroke patients who received physiotherapy treatment in combination with robotic devices, such as Lokomat or Gait Trainer, were more likely to reach better results, compared to patients who receive conventional gait training alone. Moreover, electromechanical-assisted gait training in association with Functional Electrical Stimulations produced more benefits than the only robotic treatment (-0.80 [-1.14; -0.46], p > .05). CONCLUSIONS: The evaluation of the results confirm that the use of robotics can positively affect the outcome of a gait rehabilitation in patients with stroke. The effects of different devices seems to be similar on the most commonly outcome evaluated by this review. PMID- 29208477 TI - Impact of Opioid Therapy on Sleep and Respiratory Patterns in Adults With Advanced Cancer Receiving Palliative Care. AB - CONTEXT: In advanced cancer, abnormal sleep patterns may contribute to poor quality of life, but the impact of opioid-related sleep disorders has not been explored in detail in these patients. OBJECTIVE: To document sleep and respiratory patterns in patients with cancer, receiving a range of opioids, determine factors that contribute to severity of central or obstructive apnea, and to what extent these contribute to sleep disturbance. METHODS: Adults with advanced cancer admitted to a palliative care service underwent a sleep analysis by an unattended polysomnography. Total sleep time, apnea hypopnea index, central apnea index, obstructive apnea hypopnea index, arousal index, and oxygen desaturation were measured. Baseline assessment included body habitus, Mallampati score, comorbidity indices, concomitant medications, and the Berlin questionnaire. Epworth Sleepiness Scale, Stanford Sleepiness Scale, and Wu cancer fatigue scales were documented. RESULTS: Twenty-eight patients were studied, including 25 receiving opioids. In the latter group, the apnea hypopnea index was mildly abnormal in six patients and severely abnormal in 10 patients. Central apnea index and obstructive apnea hypopnea index were abnormal in nine and 17 patients, respectively. There was no significant correlation between opioid dose and polysomnographic results. CONCLUSION: In patients with advanced cancer receiving opioid analgesia, there was a high prevalence of respiratory disturbance, both central and obstructive, and deranged sleep patterns. Addressing sleep-disordered breathing in cancer patients has the potential to improve daytime drowsiness and quality of life. PMID- 29208478 TI - Pilot Testing of a Brief Couple-Based Mind-Body Intervention for Patients With Metastatic Non-Small Cell Lung Cancer and Their Partners. AB - CONTEXT: Given the generally incurable nature of metastatic lung cancer, patients and their spouses/partners are at risk for psychological and spiritual distress. To address this concern, we developed a couple-based mind-body (CBMB) intervention. OBJECTIVES: This formative research aimed at examining the intervention's acceptability and initial efficacy in patients with metastatic lung cancer undergoing treatment and their spouses. METHODS: Intervention content evaluation sessions and an ensuing single-arm trial were conducted. To evaluate intervention content, participants performed intervention exercises and then participated in semistructured interviews and completed written evaluations. In the single-arm trial, four intervention sessions were delivered over two weeks, focusing on cultivating mindfulness, interpersonal connection, gratitude, and purpose. Newly recruited couples completed measures of depressive symptoms, cancer distress, spiritual well-being, and sleep disturbances before and after the intervention. RESULTS: Content evaluations by seven dyads of patients and their partners revealed high acceptability ratings for the CBMB intervention (e.g., all participants would recommend the intervention). Consent and adherence rates (54% and 67%, respectively) were acceptable in the single-arm trial. All patients (n = 7 dyads; 67% male; mean age, 55 years) and partners (33% male; mean age, 59 years) rated the intervention as useful. Paired t-test analyses revealed large effect sizes for reduced sleep disturbances (d = 1.83) and medium effect sizes for cancer-specific distress (d = 0.61) for patients and large effect sizes for depressive symptoms (d = 0.90) for partners. CONCLUSION: Based on these results, the CBMB intervention appears to be acceptable and subjectively useful. In addition, we observed preliminary evidence of quality of life gains in both patients and their partners. PMID- 29208479 TI - Ninety Day Mortality and Overall Survival after Radical Radiotherapy for Non small Cell Lung Cancer. PMID- 29208480 TI - Robotic Stereotactic Retreatment for Biochemical Control in Previously Irradiated Patients Affected by Recurrent Prostate Cancer. AB - AIMS: Robotic stereotactic body radiotherapy (rSBRT) to local recurrences emerged as a valuable option for exclusive local failure after prior external beam radiation therapy (EBRT) for localised prostate cancer. The aim of this study was to assess the efficacy and safety of rSBRT in patients experiencing locally recurrent prostate cancer after prior definitive or postoperative radiotherapy using the Cyberknife. MATERIALS AND METHODS: Data from 50 patients were retrospectively reviewed. Local recurrence was assessed by 18F-choline positron emission tomography and pelvic magnetic resonance imaging; a dose of 30 Gy was delivered in five fractions. Prostate-specific antigen (PSA) was assessed at 2 months, 6 months and every 4 months thereafter. Toxicity was assessed according to CTCAE v.4.03. RESULTS: All patients received prior EBRT. The median EQD2 total dose was 74 Gy (60-80 Gy). Eleven patients were receiving androgen deprivation after prior biochemical failure. At 6 months, 41 patients showed a median PSA decline of -77.1% (14.3-99.3%), whereas nine patients experienced a median PSA elevation of +58.7% (0-2300.0%). Biochemical relapse-free survival (BRFS) was 80.0%. Impaired BRFS was correlated with the high-risk category at diagnosis (P = 0.014, hazard ratio 5.61) and ongoing androgen deprivation (P = 0.025, hazard ratio 2.98). Neither clinical variables nor dosimetric parameters were found to be predictive for toxicity. CONCLUSION: Focal rSBRT can achieve durable remission in locally relapsing patients and systemic treatment can be postponed with acceptable toxicity. Accurate patient selection is mandatory to maximise disease control. PMID- 29208481 TI - Detection thresholds for four different fatty stimuli are associated with increased dietary intake of processed high-caloric food. AB - BMI-specific differences in food choice and energy intake have been suggested to modulate taste perception. However, associations between body composition and fat taste sensitivity are controversial. The objective of this study was to examine the association between body composition, dietary intake and detection thresholds of four fatty stimuli (oleic acid, paraffin oil, canola oil, and canola oil spiked with oleic acid) that could be perceived via gustatory and/or textural cues. In 30 participants, fat detection thresholds were determined in a repeated measurements design over twelve days. Weight status was examined by measuring the participants' BMI, waist circumference and waist-to-hip ratio. The habitual food intake was assessed via several questionnaires and twelve, non-consecutive 24 hour food diaries. In this study, a negative correlation was found between fat detection thresholds and the intake of food rich in vitamins and fibre. Moreover, a positive correlation was identified between the intake of high-fat food and fat detection thresholds. No differences in fat detection thresholds were observed due to variations in BMI or waist-to-hip ratio. These findings indicate that a regular intake of fatty foods might decrease an individuals' perceptual response to fats which might lead to excess fat intake on the long term. PMID- 29208482 TI - What motivates women to breastfeed in Lebanon: An exploratory qualitative analysis. AB - This exploratory qualitative study examined the influence of injunctive and descriptive norms on breastfeeding, a health-improving behaviour related to a highly committed personal decision. The research explores the different mechanisms through which social norms impact breastfeeding behaviour pre or post adoption of breastfeeding practice. A qualitative approach was used by performing in-depth analysis of cross-sectional accounts of women in Lebanon contemplating adoption of breastfeeding practice and women who already breastfed. Interviews were also conducted with medical professionals, lactation specialists, and breastfeeding activists. On one hand, the attitude of the medical professionals and the government efforts are two mechanisms that stimulate the injunctive norms. On the other hand, the descriptive norms are defined by community attitude aggregated with societal beliefs and expectations on women's image and role in society. Both types of social norms are in constant interplay with personal norms and each type becomes more salient at different periods over time. The findings suggest that social norms are major determinants of breastfeeding behaviour. The influence of the type of social norm-descriptive or injunctive-on the decision to breastfeed varies according to the moment of life the mother is living. Theoretical and practical implications are discussed. PMID- 29208483 TI - Initial validation of the Nine Item Avoidant/Restrictive Food Intake disorder screen (NIAS): A measure of three restrictive eating patterns. AB - Avoidant/Restrictive Food Intake Disorder (ARFID) is an eating or feeding disorder characterized by inadequate nutritional or caloric intake leading to weight loss, nutritional deficiency, supplement dependence, and/or significant psychosocial impairment. DSM-5 lists three different eating patterns that can lead to symptoms of ARFID: avoidance of foods due to their sensory properties (e.g., picky eating), poor appetite or limited interest in eating, or fear of negative consequences from eating. Research on the prevalence and psychopathology of ARFID is limited by the lack of validated instruments to measure these eating behaviors. The present study describes the development and validation of the nine item ARFID screen (NIAS), a brief multidimensional instrument to measure ARFID associated eating behaviors. Participants were 455 adults recruited on Amazon's Mechanical Turk, 505 adults recruited from a nationally-representative subject pool, and 311 undergraduates participating in research for course credit. Exploratory and confirmatory factor analyses provided evidence for three factors. The NIAS subscales demonstrated high internal consistency, test-retest reliability, invariant item loadings between two samples, and convergent/discriminant validity with other measures of picky eating, appetite, fear of negative consequences, and psychopathology. The scales were also correlated with measures of ARFID-like symptoms (e.g., low BMI, low fruit/vegetable variety and intake, and eating-related psychosocial interference/distress), although the picky eating, appetite, and fear scales had distinct independent relationships with these constructs. The NIAS is a brief, reliable instrument that may be used to further investigate ARFID-related eating behaviors. PMID- 29208484 TI - Value of 18F-FDG PET/CT in the diagnosis of chorea-acanthocytosis. PMID- 29208485 TI - Lactational exposure of polychlorinated biphenyls impair Leydig cellular steroidogenesis in F1 progeny rats. AB - The present study was aimed to determine the effects of lactational exposure of PCBs (Aroclor 1254) on Leydig cellular steroidogenesis in F1 progeny rats. Lactating dams were orally treated by gavage with different doses of PCBs (1, 2 and 5mg/kg b.wt./day). Male progenies were sacrificed on PND60. Our results demonstrated that exposure to PCBs decreased the body weight, testis weight and anogenital distance (AGD) index in the F1 progeny rats. Importantly, PCBs exposure reduced the serum levels of LH, testosterone and estradiol. Interestingly, PCBs caused a decrease in the Leydig cell population along with decreased activities of steroidogenic enzymes 3beta- and 17beta-HSD. Additionally, we observed a significant decrease in LHR, SR-B1, StAR protein, Cyp11a1, 3beta-HSD, Cyp17a1, 17beta-HSD, 5alpha-reductase, Cyp19a1 and AR gene expression in the Leydig cells of progeny rats. In conclusion, our study demonstrates that lactational exposure of PCBs alters Leydig cellular steroidogenesis in the F1 progeny rats. PMID- 29208487 TI - In-vitro comparison of mechanical resistance between two straight plates and a Y plate for fixation of mandibular condyle fractures. AB - OBJECTIVE: To compare the mechanical resistance of conventional plates with a modified Y-plate in mandibular condyle fracture. MATERIALS AND METHODS: 40 synthetic hemi-mandibular polyurethane replicates were used. Two groups of fixing materials were included: 20 mandibles fixed with 40 straight plates with four roles each (2.0 mm system) and 20 mandibles fixed with 20 Y-shaped plates (2.0 mm system and 1.5 mm thickness). The samples were submitted to linear loading in the following directions: 10 mandibles from each group from lateral to medial and 10 mandibles from each group from anterior to posterior. A universal loading machine, Instron Universal 4411, was used to performed the tests, and the resistance of each fixed mandible was assessed at displacements of 1 mm, 3 mm, and 5 mm. The t-test for independent samples was performed. The p value was set at <0.05. RESULTS: The worst mechanical resistance was found in the Y-plates loaded from anterior to posterior. The best mechanical resistance was in two straight hole plates loaded from lateral to medial. The Y-plates and two straight hole plates showed similar resistance when a lateral to medial load was applied. CONCLUSION: There was no difference between the plates when lateral to medial loading was tested. PMID- 29208486 TI - Controlled-release biodegradable nanoparticles: From preparation to vaginal applications. AB - This study aimed to prepare poly (d,l-lactide-co-glycolide) (PLGA) nanoparticles (NPs) with chitosan (CTS) surface modification to be used as a vaginal delivery system for antimycotic drugs. Clotrimazole was encapsulated with entrapment efficiencies of 86.1 and 68.9% into Clotrimazole-PLGA-NPs (CLT-PLGA-NPs) and PLGA NPs with CTS-modified surface (CLT-PLGA-CTS-NPs), respectively. The later NPs exhibited a larger size and higher positive zeta potential (Z potential) in comparison to unmodified NPs. In vitro release kinetic studies indicated that Clotrimazole was released in percentages of >98% from both nanoparticulate systems after 18days. Antifungal activity and mucoadhesive properties of NPs were enhanced when CTS was added onto the surface. In summary, these results suggested that Clotrimazole loaded into PLGA-CTS-NPs has great potential for vaginal applications in treating vaginal infections generated by Candida albicans. PMID- 29208488 TI - Multi-targeted effects of G4-aptamers and their antiproliferative activity against cancer cells. AB - We selected and investigated nine G-quadruplex (G4)-forming aptamers originally designed against different proteins involved in the regulation of cellular proliferation (STAT3, nucleolin, TOP1, SP1, VEGF, and SHP-2) and considered to be potential anticancer agents. We showed that under physiological conditions all the aptamers form stable G4s of different topology. G4 aptamers designed against STAT3, nucleolin and SP1 inhibit STAT3 transcriptional activity in human breast adenocarcinoma MCF-7 cells, and all the studied aptamers inhibit TOP1-mediated relaxation of supercoiled plasmid DNA. STAT3 inhibition by G4 aptamer designed against SP1 protein provides a new explanation for the SP1 and STAT3 crosstalk described recently. We found some correlation between G4-mediated inhibition of the DNA replication and TOP1 activity. Four G4 aptamers from our dataset that appeared to be the strongest TOP1 inhibitors most efficiently decreased de novo DNA synthesis, by up to 79-87%. Seven G4 aptamers demonstrated significantly higher antiproliferative activity on human breast adenocarcinoma MCF-7 cells than on immortalized mammary epithelial MCF-10A cells. Pleiotropic properties of G4 aptamers and their high specificity against cancer cells observed for the majority of the studied G4 aptamers allowed us to present them as promising candidates for multi-targeted cancer therapy. PMID- 29208489 TI - Relaxing access to liver transplantation with living donation: A foolish move or a time to change? PMID- 29208490 TI - Fluorescence enlightens RND pump activity and the intrabacterial concentration of antibiotics. AB - To understand antibiotic resistance in Gram-negative bacteria, a key point is to investigate antibiotic accumulation, which is defined by influx and efflux. Several methods exist to evaluate membrane permeability and efflux pump activity, but they present disadvantages and limitations. An optimized spectrofluorimetric method using intrinsic tryptophan fluorescence as an internal standard, as well as a complementary microfluorimetric assay following time-course accumulation in intact individual cells, have been developed. Comparing the latter population and single cell approaches can lead to an understanding of phenotypic heterogeneity within a population. The two methodologies lead to determination of parameters, concentration, accumulation rates and localization that contribute to emerging concepts (RTC2T, SICAR) with the aim of identifying and detailing antibiotic chemotypes involved in influx/efflux. PMID- 29208491 TI - Feedback information and the reward positivity. AB - The reward positivity is a component of the event-related brain potential (ERP) sensitive to neural mechanisms of reward processing. Multiple studies have demonstrated that reward positivity amplitude indices a reward prediction error signal that is fundamental to theories of reinforcement learning. However, whether this ERP component is also sensitive to richer forms of performance information important for supervised learning is less clear. To investigate this question, we recorded the electroencephalogram from participants engaged in a time estimation task in which the type of error information conveyed by feedback stimuli was systematically varied across conditions. Consistent with our predictions, we found that reward positivity amplitude decreased in relation to increasing information content of the feedback, and that reward positivity amplitude was unrelated to trial-to-trial behavioral adjustments in task performance. By contrast, a series of exploratory analyses revealed frontal central and posterior ERP components immediately following the reward positivity that related to these processes. Taken in the context of the wider literature, these results suggest that the reward positivity is produced by a neural mechanism that motivates task performance, whereas the later ERP components apply the feedback information according to principles of supervised learning. PMID- 29208492 TI - Resting state connectivity mediates the relationship between collectivism and social cognition. AB - Humans are intrinsically social beings and it is natural that self-processing is associated with social cognition. The degree to which the self is perceived as a part of social environment is modulated by cultural stereotypes, such as collectivism and individualism. Here, we tested the hypothesis that individuals who endorse collectivist values would spontaneously think more about their relationships with other people and this association would be mediated by connectivity between the medial prefrontal cortex (MPFC) and the rest of the brain. Connectivity was evaluated based on resting state EEG data using the recently developed methods, which combine beamformer spatial filtering with seed based connectivity estimation. The formal mediation analysis revealed that collectivism is associated with an enhanced connectivity of MPFC with a set of cortical regions that are frequently co-activated in moral reasoning, empathy, and theory of mind tasks and with diminished connectivity with the precuneus?posterior cingulate cortex, which is involved in self-centered cognition. The relationship between collectivism and social cognition was mediated by MPFC connectivity with the left middle temporal gyrus implying that in participants with collectivistic attitude, thinking about relationships with other people may be associated with semantic memory retrieval and reasoning on moral issues and others' intentions. PMID- 29208493 TI - Almond, hazelnut and walnut, three nuts for neuroprotection in Alzheimer's disease: A neuropharmacological review of their bioactive constituents. AB - An increase in the prevalence of Alzheimer's disease (AD) as a multifactorial neurodegenerative disorder is an almost obvious issue in the world. Researches on natural products for finding effective drugs to prevent the disease are in progress. There is special attention to the three types of nuts including almond, hazelnut and walnut in manuscripts of traditional Persian medicine (PM) as the preventive agents against brainatrophy and memory loss. The purpose of this study is a pharmacological review of their bioactive constituents and introducing the value of these nuts as the effective supplements and natural medicinal foods in AD patients. Databases including PubMed and ScienceDirect were searched in title, abstract and keywords from year 2000 to present for AD-related researches on these tree nuts, their major phytochemicals and their mechanisms of action. As result, almond, hazelnut and walnut provide macronutrients, micronutrients, and phytochemicals which affect several pathways in AD pathogenesis such as amyloidogenesis, tau phosphorylation, oxidative stress, cholinergic pathways, and some non-target mechanisms including cholesterol lowering and anti-inflammatory properties, as well as effect on neurogenesis. These nuts are recommended in PM for their brain-protective activity and particularly reversing brain atrophy in case of hazelnut. The therapeutical statements of PM scholars mentioned in their books are based on their clinical observations with support of a long history of experiences. Beyond the molecular activities attributed to the phytochemicals, the use of these tree nuts could be more considered in scientific researches as the effective nutrients for prevention or even management of AD. PMID- 29208494 TI - Bleeding in advanced CKD patients on antithrombotic medication - A critical appraisal. AB - Patients with advanced chronic kidney disease (CKD) are at an increased risk of bleeding, especially in the context of the complex therapeutic schemes of coronary artery disease (CAD) (from stable angina to acute coronary syndromes), atrial fibrillation or venous thromboembolism. The bleeding issue increases morbidity and mortality, a serious problem in daily medical practice. However, these patients are largely excluded from major randomized clinical trials, which results in the lack of medical evidence-based foundation for specific recommendations regarding antithrombotic treatment in a high bleeding risk setting. Within this framework, the clinician does not benefit from a clear set of algorithms and measures in the exploration and balancing of bleeding and thrombosis risks. We discuss a diversity of scenarios, encompassing all categories of advanced CKD patients with CAD or/and atrial fibrillation, and with various combinations of drugs, such as antiplatelet therapy or/and oral anticoagulation. Our review highlights the most recent research as well as existing gaps in the recommendations of European Society of Cardiology Guidelines. We evaluate the existence or lack of assessment tools for the bleeding risk, strength, reliability and usefulness of the bleeding risk scores. Also, we identify all the measures recommended after risk evaluation, including specific plans, dose adjustments and particular therapeutic approaches. Finally, we provide with suggestions for improving the management of this patient population. PMID- 29208495 TI - Peptidoglycan recognition protein of Solen grandis (SgPGRP-S1) mediates immune recognition and bacteria clearance. AB - Peptidoglycan recognition proteins (PGRPs) are indispensable molecules in innate immunity due to their prominent function in sensing and eliminating invading microorganisms. In the present study, a short type PGRP from razor clam Solen grandis (SgPGRP-S1) was recombinantly expressed and purified to investigate its potential function in innate immunity. As a pattern recognition receptor, recombinant SgPGRP-S1 (rSgPGRP-S1) specifically bind Lys-type and Dap-type peptidoglycan in vitro, but not lipopolysaccharide or beta-glucan. The peptidoglycan binding ability of rSgPGRP-S1 resulted in significant agglutination activity against Gram-negative Escherichia coli and Listonella anguillarum, as well as Gram-positive Micrococcus luteus. Furthermore, rSgPGRP-S1 was bactericidal, significantly suppressing the growth of both E. coli and Gram positive Staphylococcus aureus. The protein also exhibited strong amidase activity and degraded bacterial peptidoglycan in the presence of Zn2+, suggesting amidase activity might contribute to SgPGRP-S1 antibacterial activity. These results indicate SgPGRP-S1 is multifunctional in innate immunity, mediating both immune recognition and bacteria elimination. PMID- 29208496 TI - Effect of stocking density on growth performance, digestive enzyme activities, and nonspecific immune parameters of Palaemonetes sinensis. AB - Palaemonetes sinensis is a new breed of shrimp with great potential for aquaculture, which has been confirmed in our previous production tests. However, there are limited reports about this species and its biological information is scarce. This study describes the effect of stocking density on the growth, digestive enzyme activities, and nonspecific immunity of P. sinensis with an initial average body weight was 0.25 +/- 0.02 g. Groups of shrimps were reared at four different initial densities (2.5, 5, 10, and 20 individuals.L-1). After 30 days of culture, the results indicated that the final body weight, weight gain, and specific growth rate were higher in shrimps grown in groups of 10 individuals.L-1 than other groups, but the survival rates of these shrimp were significantly lower than those reared in group of 2.5 or 5 individuals.L-1. The trypsin, amylase, and lipase activities of shrimp significantly decreased with increase in stocking density. Nonspecific immune indicators decreased significantly with increase in density, but there were no significant differences between the 2.5 and 5 individuals.L-1 groups in terms of the total haemocyte count (THC), phenoloxidase activity (PO), lysozyme (LZM), catalase (CAT), and superoxide dismutase (SOD). These results suggest that increasing the stocking density from 2.5 to 5 individuals.L-1 did not affect any of the detected indicators of P. sinensis, but there are shelter in farming mode is better for culture of P. sinensis up to 10 individuals L-1. PMID- 29208497 TI - Molecular cloning, expression, promoter analysis and functional characterization of a new Crustin from Litopenaeus vannamei. AB - Antimicrobial peptides (AMPs) are the most important players in the innate immune system, providing a principal first-line of defense against the invading pathogens. Crustin, a type of whey acidic protein (WAP) domain-containing and cationic cysteine-rich AMP, can function in a protease inhibition or an effector molecule manner. In the present study, a new Crustin was cloned and identified from Pacific white shrimp Litopenaeus vannamei and designated as LvCrustinA. The full-length cDNA of LvCrustinA was 687 bp, with a 519 bp open reading frame (ORF) that encoded a peptide of 172 amino acids. Domain analysis indicated that LvCrustinA contained a Glycine-rich region in the N-terminal and a single WAP domain within eight cysteines in the C-terminal. The 5' upstream regulatory sequence of 1249 bp (promoter) was obtained using a genome walking method, and it contained several conserved transcription factors binding motifs including NF kappaB, AP-1 and STAT (Signal transducers and activators of transcription). Dual reporter assay showed that NF-kappaB transcription factors LvDorsal and LvRelish, and AP-1 transcription factor Lvc-Jun could up-regulate the promoter activity of LvCrustinA, suggesting that NF-kappaB and JNK-c-Jun pathways could be involved in regulating the expression of LvCrustinA. Moreover, LvCrustinA was abundantly expressed in immune related tissues such as gill, hemocyte and epithelium, and its expression was up-regulated in response to Vibrio parahaemolyticus and White spot syndrome virus (WSSV) challenges in gill tissue, suggesting that LvCrustinA could be involved in the host defense against bacterial and viral infection. Additionally, RNAi mediated knockdown of LvCrustinA resulted in shrimps with the higher cumulative mortality during V. parahaemolyticus and WSSV infection. Taken together, these results provided some insight into the expression and transcriptional regulatory role of LvCrustinA, and its defensive role against pathogenic infection. PMID- 29208498 TI - Identification and functional characterization of interferon regulatory factor 7 involved in activation JAK/STAT pathway in miiuy croaker. AB - Interferon regulatory factor (IRF) family is a transcription factor family which plays an important role in the regulation of natural immunity and immune cell differentiation. IRF7 is important to regulate the response of type I interferon (IFN) to viral infection. Thus, more researches of the characteristic and functions of IRF7 should be done to get better understanding of the mechanisms underlying immune reactions. Here, the characterization of full-length cDNA of IRF7 was reported from miiuy croaker. Gene characterization analysis of mmiIRF7 showed conservative with other fish and inferred that the difference of tryptophan residues in IRF7 may occurred in the period of fish-specific genome duplication (FSGD) or earlier. Syntenic analysis of IRF7 showed that fish IRF7 had more highly conserved synteny than the higher vertebrates IRF7. Luciferase reporter assays result showed the ability of mmiIRF7 for activation of IFNalpha, IFNbeta, IFNgamma and ISRE luciferase reporter. In this study, we systematically and comprehensively analyzed evolution and function of mmiIRF7, which will provide the basis for future research on fish IRF family. PMID- 29208500 TI - Effect of microencapsulated probiotic Bacillus vireti 01-polysaccharide extract of Gracilaria folifera with alginate-chitosan on immunity, antioxidant activity and disease resistance of Macrobrachium rosenbergii against Aeromonas hydrophila infection. AB - Polysaccharide from red seaweed Gracilaria folifera has an interesting functional property of antioxidant activity and prebiotic effect. A feeding trial experiment was directed to examine the effect of probiotic bacteria Bacillus vireti 01 microencapsulated with G. folifera polysaccharide against freshwater prawn M. rosenbergii. Three different feeding trials were conducted for 15 days. The first group contained prawns fed with commercial diet. The second group was comprised of Aeromonas hydrophila challenged prawns fed with commercial feed. The third group consisted of A. hydrophila challenged prawns fed with microencapsulated probiotic-polysaccharide. Survival percentage was significantly decreased in prawns of group2 as compared to that of group1 and group3 prawns (p < 0.0001). The immunological parameters and antioxidant activities (p < 0.001) were found to be increased in group three prawns which were fed with encapsulated probiotic seaweed polysaccharide and challenged with A. hydrophila as compared to that of group1 and group2. Tissue necrosis, fused lamella, haemocyte infiltration and damage of hepatopancreas lumen and tubule were noted in group2 prawns. There was no histological changes were observed in group3 prawns in which the histological architecture was similar to the control group1. The results suggested that combination of encapsulated probiotic B. vireti 01 and seaweed polysaccharide as dietary feed showed an enhancement of immune response, antioxidant activity and disease resistant of M. rosenbergii against A. hydrophila. PMID- 29208499 TI - Identification of SNP markers associated with tolerance to ammonia toxicity by selective genotyping from de novo assembled transcriptome in Litopenaeus vannamei. AB - The high concentration of ammonia from deteriorated aquaculture environments and the intensive culture system could increase the susceptibility to pathogens and even cause high mortality in Litopenaeus vannamei. In addition, we have revealed that the ammonia-tolerant shrimp also have high disease resistance in L. vannamei. In the present study, in order to identify SNP markers associated with tolerance to ammonia toxicity, we developed and characterized SNPs from our previous transcriptome sequencing data of ammonia-stressed and control groups, and a marker-trait association analysis was performed for marker-assisted selection (MAS) to increase production in L. vannamei. A total of 318,919 SNPs were identified from the transcriptome sequences, and 25,772 SNPs were found from the 1826 ammonia-responsive genes with functional annotation. We selected 49 SNPs from 26 ammonia-responsive genes that had strong homologies to known genes in the shrimp and probably involved in immune function as candidate markers for genotyping, among which 39 SNPs were polymorphic for further marker-trait association analysis with the ammonia-tolerant (AT) and ammonia-sensitive (AS) groups. Finally, 12 out of the 49 SNP markers were identified to be associated with ammonia tolerance, containing 10 loci with significantly different allele frequencies and 10 loci with significantly different genotyping frequencies between the AT and AS groups. Among the associated markers, the G allele of TSP-1 (the first locus from the thrombospondin gene), the A allele of TSP-3, and the C allele of XBP1-5 (the fifth locus from X-box binding protein 1) only presented in the AT groups, but they were absent from the AS groups, which would be the preference of the MAS for the ammonia-tolerant shrimp. In addition, when the 12 associated SNP markers were used for analysis, the genetic diversity of the AT groups were significantly higher than that of the AS groups, but when the 39 loci were used there was no difference. This is the first report for the markers associated with ammonia tolerance in this species, indirectly with disease resistance, which provided important potential for genetic selection to increase survival rate and production in shrimp farming. PMID- 29208501 TI - Autophagic processes in Mytilus galloprovincialis hemocytes: Effects of Vibrio tapetis. AB - Autophagy is a highly conserved and regulated catabolic process involved in maintaining cell homeostasis in response to different stressors. The autophagic machinery is also used as an innate immune mechanism against microbial infection. In invertebrates, that lack acquired immunity, autophagy may thus play a key role in the protection against potential pathogens. In aquatic molluscs, evidence has been provided for induction of autophagy by starvation and different environmental stressors; however, no information is available on autophagic pathways in the immune cells, the hemocytes. In this work, the autophagic processes were investigated in the hemocytes of the marine bivalve, the mussel Mytilus galloprovincialis. The effects of classical inducers/inhibitors of mammalian autophagy were first tested. Rapamycin induced a decrease in lysosomal membrane stability-LMS that was prevented by the autophagy inhibitor Wortmannin. Increased MDC fluorescence and expression of LC3-II were also observed. Moreover, responses to in vitro challenge with the bivalve pathogen Vibrio tapetis were evaluated. Mussel hemocytes were unable to activate the immune response towards V. tapetis; however, bacterial challenge induced a moderate decrease in LMS, corresponding to lysosomal activation but no cytotoxicity; the effect was prevented by Wortmannin. TEM observations showed that V. tapetis resulted in rapid formation of autophagosomes and autolysosomes. Accordingly, increased LC3 II expression, decreased levels of phosphorylated mTor and of p62 were observed. The results represent the first evidence for autophagic processes in bivalve hemocytes in response to bacterial challenge, and underline the protective role of autophagy towards potential pathogenic vibrios. PMID- 29208502 TI - Rate of caesarean sections according to the Robson classification: Analysis in a French perinatal network - Interest and limitations of the French medico administrative data (PMSI). AB - INTRODUCTION: The objective of our study was to determine, in accordance with WHO recommendations, the rates of Caesarean sections in a French perinatal network according to the Robson classification and determine the benefit of the medico administrative data (PMSI) to collect this indicator. This study aimed to identify the main groups contributing to local variations in the rates of Caesarean sections. MATERIAL AND METHODS: A descriptive multicentric study was conducted in 13 maternity units of a French perinatal network. The rates of Caesarean sections and the contribution of each group of the Robson classification were calculated for all Caesarean sections performed in 2014. The agreement of the classification of Caesarean sections according to Robson using medico-administrative data and data collected in the patient records was measured by the Kappa index. We also analysed a 6 groups simplified Robson classification only using data from PMSI, which do not inform about parity and onset of labour. RESULTS: The rate of Caesarean sections was 19% (14.5-33.2) in 2014 (2924 out of 15413 deliveries). The most important contributors to the total rates were groups 1, 2 and 5, representing respectively 14.3%, 16.7% and 32.1% of the Caesarean sections. The rates were significantly different in level 1, 2b and 3 maternity units in groups 1 to 4, level 2a maternity units in group 5, and level 3 maternity units in groups 6 and 7. The agreement between the simplified Robson classification produced using the medical records and the medico-administrative data was excellent, with a Kappa index of 0.985 (0.980-0.990). CONCLUSION: To reduce the rates of Caesarean sections, audits should be conducted on groups 1, 2 and 5 and local protocols developed. Simply by collecting the parity data, the excellent metrological quality of the medico-administrative data would allow systematisation of the Robson classification for each hospital. PMID- 29208503 TI - Maternal complications induced by digoxin treatment of fetal tachycardia: A retrospective series of 18 cases. AB - OBJECTIVE: To evaluate maternal tolerance to digoxin, used alone or associated to other antiarrhythmic drugs in the management of fetal tachycardia. PATIENTS AND METHODS: This retrospective study was conducted at Rouen University Hospital between January 2009 and July 2016. All women who have received a treatment by either digoxin alone or associated with another antiarrhythmic drug for fetal tachycardia were included in the study. Maternal cardiac and extracardiac adverse effects were reported and comparisons between electrocardiograms before and during treatment with digoxin alone were performed. RESULTS: Eighteen women were treated by digoxin, either alone or associated with another antiarrhythmic (sotalol, flecainide or amiodarone). During treatment, digoxin overdosing (>2ng/mL) was observed in 11 women (61%), among which 4 women had toxic levels of digoxinemia (>3ng/mL) that was symptomatic in 3 women. Cardiac complications such as sinus bradycardia, first-degree auriculo-ventricular block and Mobitz I second degree auriculo-ventricular block were reported in four women (18.2%). Extracardiac side effects i.e. neurosensorial or digestive were diagnosed in 35.3% of women. The parameters of the electrocardiogram were not altered before and after treatment with digoxin alone. CONCLUSION: Antiarrhythmics can cause maternal cardiac complications and extracardiac side effects that can sometimes be severe but rapidly reversible upon treatment arrest. PMID- 29208504 TI - Hepatoprotective effects of garlic against ethanol-induced liver injury: A mini review. AB - Alcoholic liver disease (ALD) is a progressively aggravated liver disease with a diverse spectrum from steatosis to hepatitis, fibrosis, and cirrhosis. Epidemiological studies reveal that alcohol is one of the major causes of advanced liver disease in Europe, United States, and China. Despite the considerable harm, progression in ALD research is slow and the current therapies for ALD have less efficient. Garlic (Allium sativum) has been used as a flavoring agent and also a folk medicine since ancient time. Along with the prosperity in the use of herbal medicines for the treatment of human diseases in recent decades, a series of studies have focused on the beneficial effects of garlic against ALD. This mini-review highlighted the protective roles of garlic against ALD and the potential mechanisms. PMID- 29208505 TI - Toxicological analysis of roast duck flavor components. AB - The aim of the study was to investigate toxicity of the synthesized roast duck flavor through animal experiment (mice feeding with the flavor for 35 days), and the major toxic compounds (acrylamide and 3,4-benzopyrene) were detected by high performance liquid chromatography. Compared with the control group, the blood biochemical indexes including protein content, bilirubin content, activity of alkaline phosphatase, activity of aspartate transaminase (AST) and alanine transaminase (ALT), cholesterol content, high density lipoprotein (HDL) and low density lipoprotein (LDL) content, triglycerides content, activity of creatine kinase (CK) and CK-MB, activity of cholinesterase (CHE) and lactate dehydrogenase (LDH), total bile acid (TBA) in high dose feeding group were significantly different. And body weight of mice fed by the flavor was decreased distinctly, and the heart weight was also decreased, while the liver weight was increased obviously. Superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities in liver and heart were significantly decreased, while methane dicarboxylic aldehyde (MDA) contents were increased evidently. Acrylamide was detected by high performance liquid-mass spectrum (HPLC-MS), and the content was 5.21 mg/kg 3,4-benzoapryene was calculated by HPLC with fluorescence detector, and the content was 21.13 MUg/kg. Thus, the roast duck flavor was considered to be potential toxicity to human being. PMID- 29208506 TI - New iridoids from Verbascum nobile and their effect on lectin-induced T cell activation and proliferation. AB - The Verbascum species are widely used traditional herb remedies against respiratory, inflammatory conditions and disorders. In the present study methanol extract of the aerial parts of the endemic Verbascum nobile Velen, was investigated and two novel iridoid glycosides 1 and 2, together with nine known constituents: iridoids, phenylethanoids, and saponins characteristic of Verbascum genus were identified. Further, the biological activity of the extract and selected isolated compounds on concanavalin (Con A)-induced T cell proliferation and activation of human Jurkat T cell line and splenic murine CD3 T cells was evaluated. T cell growth was studied by colorimetric-based WST proliferation assay while DNA content, cell cycling, dynamic of cell proliferation, expression of activation markers, intracellular expression of cytokine IFN-gamma, and phosphorylation of ERK were analyzed by flow cytometry. Caspase-mediated apoptosis resulting in a poly (ADP-ribose) polymerase (PARP) cleavage was assessed by colorimetric in-cell kit. It was found that the extract, and all tested compounds (1, 2, 3 and 9) inhibited lectin-induced cell growth of Jurkat T cell line. The novel compounds decreased the frequencies of cells in S phase without causing a significant cell cycle arrest at G1 phase, caspases-mediated apoptosis and/or a profound change in the dynamic of splenic murine CD3+ T cell proliferation. Both compounds showed stronger inhibitory effect on Con A-induced ERK phosphorylation than the known bioactive compounds 3 and 9, and suppressed the expression of early activation marker CD69, the intracellular level of IFN gamma, and the generation of CD3+IFN-gamma+ effectors. Our data suggest that the novel iridoid glycosides might have a potential to modulate T cell-related pathologies. PMID- 29208507 TI - Myrtenol protects against myocardial ischemia-reperfusion injury through antioxidant and anti-apoptotic dependent mechanisms. AB - Myrtenol is a monoterpene with multiple pharmacological activities. However, although monoterpenes have been proposed to play beneficial roles in a variety of cardiac disorders, pharmacological actions of myrtenol in the heart are not yet reported. Hence, the aim of this study was to evaluate whether myrtenol promotes cardioprotection against myocardial ischemia-reperfusion (IR) injury, and the mechanisms involved in these effects. Male Wistar rats were orally treated for seven consecutive days with myrtenol (50 mg/kg) or N-acetyl cysteine (1.200 mg/kg, NAC). Afterward, hearts were subjected to myocardial IR injury. Here, we show that the severe impairment of contractile performance induced by IR was significantly prevented by myrtenol or NAC. Moreover, myrtenol abolished aberrant electrocardiographic waveform (ST-segment elevation), as well as reduced life threatening arrhythmias and infarct size induced by IR injury. Importantly, myrtenol fully prevented the massive increase of cardiac reactive oxygen species generation and oxidative stress damage. Accordingly, myrtenol restored the impairment of endogenous antioxidant enzymes (superoxide dismutase, catalase, glutathione peroxidase and reductase) activities and balance of pro- and anti apoptotic pathways (Bax and Bcl-2), associated with decreased apoptotic cells. Taken together, our data show that myrtenol promotes cardioprotection against IR injury through attenuation of oxidative stress and inhibition of pro-apoptotic pathway. PMID- 29208508 TI - Scientific evidence on the links between periodontal diseases and diabetes: Consensus report and guidelines of the joint workshop on periodontal diseases and diabetes by the International diabetes Federation and the European Federation of Periodontology. AB - BACKGROUND: Diabetes and periodontitis are chronic non-communicable diseases independently associated with mortality and have a bidirectional relationship. AIMS: To update the evidence for their epidemiological and mechanistic associations and re-examine the impact of effective periodontal therapy upon metabolic control (glycated haemoglobin, HbA1C). EPIDEMIOLOGY: There is strong evidence that people with periodontitis have elevated risk for dysglycaemia and insulin resistance. Cohort studies among people with diabetes demonstrate significantly higher HbA1C levels in patients with periodontitis (versus periodontally healthy patients), but there are insufficient data among people with type 1 diabetes. Periodontitis is also associated with an increased risk of incident type 2 diabetes. MECHANISMS: Mechanistic links between periodontitis and diabetes involve elevations in interleukin (IL)-1-beta, tumour necrosis factor alpha, IL-6, receptor activator of nuclear factor-kappa B ligand/osteoprotegerin ratio, oxidative stress and Toll-like receptor (TLR) 2/4 expression. INTERVENTIONS: Periodontal therapy is safe and effective in people with diabetes, and it is associated with reductions in HbA1C of 0.27-0.48% after 3 months, although studies involving longer-term follow-up are inconclusive. CONCLUSIONS: The European Federation of Periodontology (EFP) and the International Diabetes Federation (IDF) report consensus guidelines for physicians, oral healthcare professionals and patients to improve early diagnosis, prevention and comanagement of diabetes and periodontitis. PMID- 29208509 TI - The use of an intraarticular catheter on fast-track primary knee arthroplasty, is it a step forward? AB - OBJECTIVE: This study compares the efficacy in post-operative pain control of the intraarticular catheter compared to the epidural catheter after primary total knee arthroplasty. MATERIAL AND METHOD: Randomised clinical trial consisting of two groups of patients. A control group with intradural anaesthesia and an intraoperative epidural catheter (ropivacaine) and an intervention group using the same anaesthetic technique and an intraarticular catheter with an elastomeric pump (ropivacaine+dexketoprofen). Data such as demographic, anaesthetic and surgical variables, pain intensity according to Verbal Rating Scale, opioid use and complications, joint balance, onset of walking and hospital stay were recorded. RESULTS: A lower incidence and severity on Verbal Rating Scale and a better control of postoperative pain (p<.0014) were observed in the intervention group. Joint balance also presented significant results in flexion and 74% of these patients started walking before the first 36h and the control group had not yet done so. Regarding patient satisfaction, 54.1% of the patients were "very satisfied" with the use of the catheter (p>.001). Finally, the hospital stay decreased significantly, with 33.3% of intervention group patients discharged within the first 48h compared to none of the control group. DISCUSSION AND CONCLUSIONS: The use of the intraarticular catheter as postoperative analgesia is a useful and safe alternative. It reduces the possibility of side effects. It helps in early improvement of joint balance, onset of walking and control of pain. All of which increase patient satisfaction and result in a shorter period of hospitalisation. PMID- 29208510 TI - Differential impacts of individual and combined exposures of deoxynivalenol and zearalenone on the HepaRG human hepatic cell proteome. AB - : Numerous surveys have highlighted the natural co-occurrence of deoxynivalenol (DON) and zearalenone (ZEA) mycotoxins in food and feed. Nevertheless, data regarding cellular mechanisms involved in response to their individual and simultaneous exposures are lacking. In this study, in order to analyze how low mycotoxin doses could impact cellular physiology and homeostasis, proteomic profiles of proliferating human hepatic cells (HepaRG) exposed for 1h and 24h to low DON and ZEA cytotoxicity levels (0.2 and 20MUM respectively), alone or in combination, were analyzed by LC-MS/MS. Proteome analyses of mycotoxin-treated cells identified 4000 proteins with about 1.4% and 3.7% of these proteins exhibiting a significantly modified abundance compared to controls after 1h or 24h, respectively. Analysis of the Gene Ontology biological process annotations showed that cell cycle, proliferation and/or development as well as on DNA metabolic processes were affected for most treatments. Overall, different proteins, and thus biological processes, were impacted depending on the considered mycotoxin and exposure duration. Finally, despite the important proteome changes observed following 24h exposure to both mycotoxins, only the uptake of ZEA by the cells was suggested by the mycotoxin quantification in cell supernatants. BIOLOGICAL SIGNIFICANCE: This study investigated the proteomic changes that occurred after DON and ZEA (individually and in combination) short exposures at low cytotoxicity levels in proliferating HepaRG cells using LC MS/MS. The obtained results showed that the cellular response is time- and mycotoxin or mixture-dependent. In particular, after 1h exposure, the DON+ZEA combination led to more proteomic changes than DON or ZEA alone, whereas the opposite was observed after 24h. In addition, the significant cellular response to stress induced by ZEA after 24h exposure seemed to be reduced when combined with DON. Thus, these results supported a possible mitigation by the hepatocytes when exposed to the mycotoxin mixture for a long duration. These findings represent an essential step to further explore adaptive cell response to mycotoxin exposure using with more complex incubation kinetics and combining different "omics" tools. Moreover, as mycotoxin quantification in cell supernatants showed different behaviors for DON and ZEA, this also raises the question about how mycotoxins actually trigger the cell response. PMID- 29208511 TI - Identification of potent lysophosphatidic acid receptor 5 (LPA5) antagonists as potential analgesic agents. AB - Lysophosphatidic acid (LPA) plays an important role in a variety of cellular functions. In particular, LPA5 receptor is highly expressed in spinal cord and dorsal root ganglion, which are associated with pain. This fact prompted us to hypothesize that LPA5 antagonists show analgesic effects. To search for potent LPA5 antagonists with blood brain barrier (BBB) permeability, we conducted high throughput screening (HTS). In HTS campaign, we found a 2H-isoquinoline-1-one scaffold showing antagonistic activity against LPA5 and synthesized a series of 2H-isoquinoline-1-one derivatives and evaluated their LPA5 activities. Among these compounds, compound 7e showed potent LPA5 activity with an IC50 value of 0.12 MUM, and acceptable BBB permeability. Furthermore, it showed effective analgesic effect in a chronic constriction injury rat model. Therefore, 7e may have a potential as novel pain therapeutic approach. PMID- 29208512 TI - Interobserver variability in the delineation of the primary lung cancer and lymph nodes on different four-dimensional computed tomography reconstructions. AB - PURPOSE: The study compared interobserver variation in the delineation of the primary tumour (GTVp) and lymph nodes (GTVln) between three different 4DCT reconstruction types; Maximum Intensity Projection (MIP), Mid-Ventilation (Mid-V) and Mid-Position (Mid-P). MATERIAL AND METHODS: Seven radiation oncologists delineated the GTVp and GTVln on the MIP, Mid-V and Mid-P 4DCT image reconstructions of 10 lung cancer patients. The volumes, the mean standard deviation (SD) and distribution of SD (SD/area) over the median surface contour were compared for different tumour regions. RESULTS: The overall mean delineated volume on the MIP was significantly larger (p < 0.001) than the Mid-V and Mid-P. For the GTVp the Mid-P had the lowest interobserver variation (SD = 0.261 cm), followed by Mid-V (SD = 0.314 cm) and MIP (SD = 0.330 cm) For GTVln the Mid-V had the lowest interobserver variation (SD = 0.425 cm) followed by the MIP (SD = 0.477 cm) and Mid-P (SD = 0.543 cm). The SD/area distribution showed a statistically significant difference between the MIP versus Mid-P and Mid-P versus Mid-V for both GTVp and GTVln (p < 0.001), with outliers indicating interpretation differences for GTVp located close to the mediastinum and GTVln. CONCLUSION: The Mid-P reduced the interobserver variation for the GTVp. Delineation protocols must be improved to benefit from the improved image quality of Mid-P for the GTVln. PMID- 29208513 TI - Clinical evaluation of atlas and deep learning based automatic contouring for lung cancer. AB - BACKGROUND AND PURPOSE: Contouring of organs at risk (OARs) is an important but time consuming part of radiotherapy treatment planning. The aim of this study was to investigate whether using institutional created software-generated contouring will save time if used as a starting point for manual OAR contouring for lung cancer patients. MATERIAL AND METHODS: Twenty CT scans of stage I-III NSCLC patients were used to compare user adjusted contours after an atlas-based and deep learning contour, against manual delineation. The lungs, esophagus, spinal cord, heart and mediastinum were contoured for this study. The time to perform the manual tasks was recorded. RESULTS: With a median time of 20 min for manual contouring, the total median time saved was 7.8 min when using atlas-based contouring and 10 min for deep learning contouring. Both atlas based and deep learning adjustment times were significantly lower than manual contouring time for all OARs except for the left lung and esophagus of the atlas based contouring. CONCLUSIONS: User adjustment of software generated contours is a viable strategy to reduce contouring time of OARs for lung radiotherapy while conforming to local clinical standards. In addition, deep learning contouring shows promising results compared to existing solutions. PMID- 29208514 TI - Fragmentation level determines mitochondrial damage response and subsequently the fate of cancer cells exposed to carbon ions. AB - OBJECTIVES: Although mitochondria are known to play an important role in radiation-induced cellular damage response, the mechanisms of how radiation elicits mitochondrial responses are largely unknown. MATERIALS AND METHODS: Human cervical cancer cell line HeLa and human breast cancer cell lines MCF-7 and MDA MB-231 were irradiated with high LET carbon ions at low (0.5 Gy) and high (3 Gy) doses. Mitochondrial functions, dynamics, mitophagy, intrinsic apoptosis and total apoptosis, and survival fraction were investigated after irradiation. RESULTS: We found that carbon ions irradiation induced two different mitochondrial morphological changes and corresponding responses in cancer cells. Cells exposed to carbon ions of 0.5 Gy exhibited only modestly truncated mitochondria, and subsequently damaged mitochondria could be eliminated through mitophagy. In contrast, mitochondria within cells insulted by 3 Gy radiation split into punctate and clustered ones, which were associated with apoptotic cell death afterward. Inhibition of mitochondrial fission by Drp1 or FIS1 knockdown or with the Drp1 inhibitor mdivi-1 suppressed mitophagy and potentiated apoptosis after irradiation at 0.5 Gy. However, inhibiting fission led to mitophagy and increased cell survival when cells were irradiated with carbon ions at 3 Gy. CONCLUSION: We proposed a stress response model to provide a mechanistic explanation for the mitochondrial damage response to high-LET carbon ions. PMID- 29208515 TI - Effectiveness of sitagliptin in a patient with late dumping syndrome after total gastrectomy. AB - An 83-year-old man developed hypoglycemia after undergoing total gastrectomy for gastric cancer in 200X-4. The patient was admitted to our hospital in May 200X and placed on continuous glucose monitoring (CGM). Glycemic excursions were examined while on 3-meal/day (1700kcal) and 6-meal/day (1800kcal) diets. Oxyhyperglycemia followed about 2h later by a sudden drop in glucose levels was seen with both regimens. These findings were consistent with late dumping syndrome. CGM was continued, oral miglitol at 150mg/day or sitagliptin at 50mg/day was started, and glycemic excursions were compared. Results were similar for both drugs, with reductions in postprandial glucose elevations. Meal tolerance testing 3 months after oral sitagliptin, compared to before starting treatment, showed reductions in both early postprandial hyperglycemia and insulin hypersecretion. These findings suggest that DPP-4 inhibitors such as sitagliptin may be effective for treating post-gastrectomy late dumping syndrome. PMID- 29208516 TI - Selection of the Best of 2017 on Acute Cardiac Care. PMID- 29208517 TI - Selection of the Best of 2017 on Cardio-oncology. What Should We Know? PMID- 29208518 TI - Three-dimensional Model for Percutaneous Closure of an Iatrogenic Fistula. PMID- 29208519 TI - Cardiac Involvement in a Patient With Behcet Disease. Diagnostic and Therapeutic Approach. PMID- 29208520 TI - Multimodality Imaging in a Patient With Suspected Myocarditis. PMID- 29208521 TI - Protective effects of 6-ureido/thioureido-2,4,5-trimethylpyridin-3-ols against 4 hydroxynonenal-induced cell death in adult retinal pigment epithelial-19 cells. AB - Dysfunction or progressive degeneration of retinal pigment epithelium (RPE) contributes in the initial pathogenesis of age-related macular degeneration (AMD) causing irreversible vision loss, which makes RPE the prime target of the disease. The present study aimed to identify compounds to protect 4 hydroxynonenal (4-HNE)-induced RPE cell death by inhibiting NADPH oxidase 4 (NOX4) activity, not just as free radical scavengers, using ARPE-19, a human adult retinal pigment epithelial cell line, as a RPE representative. Novel thirty two 6-ureido/thioureido-2,4,5-trimethylpyridin-3-ol derivatives 17 were synthesized and tested. We found that there was a strong correlation between level of protective effect of compounds 17 against 4-HNE-induced APRE-19 cell death and that of inhibitory activity against 4-HNE-induced superoxide production, and that most of the compounds 17 showed minimal DPPH radical scavenging activity. Compound 17-28 showed the best protective activity against 4 HNE-induced superoxide production (79.5% inhibition) and cell death (85.1% recovery) at 10 MUM concentration, which was better than that of VAS2870, a NOX2/4 inhibitor. In addition, compound 17-28 blocked 4-HNE-induced apoptosis of ARPE-19 cells in a concentration-dependent manner. The results indicate that compound 17-28 may be a lead compound to develop AMD therapeutics. PMID- 29208522 TI - Discovery of new GSK-3beta inhibitors through structure-based virtual screening. AB - Glycogen synthase kinase-3beta (GSK-3beta) is an attractive therapeutic target for human diseases, such as diabetes, cancer, neurodegenerative diseases, and inflammation. Thus, structure-based virtual screening was performed to identify novel scaffolds of GSK-3beta inhibitors, and we observed that conserved water molecules of GSK-3beta were suitable for virtual screening. We found 14 hits and D1 (IC50 of 0.71 MUM) were identified. Furthermore, the neuroprotection activity of D1-D3 was validated on a cellular level. 2D similarity searches were used to find derivatives of high inhibitory compounds and an enriched structure-activity relationship suggested that these skeletons were worthy of study as potent GSK 3beta inhibitors. PMID- 29208523 TI - Rational modification of semaxanib and sunitinib for developing a tumor growth inhibitor targeting ATP binding site of tyrosine kinase. AB - Analysis of the crystal structure of tyrosine kinase in complexation with an ATP analogue, supplemented with the molecular docking studies of semaxanib and sunitinib in the ATP binding site of the enzyme enabled us to make design of a series of tyrosine kinase inhibitors. The combination of pyrrole and indolinone in one molecule and placement of appropriate substituent thereof made the molecule compatible for the hydrophobic sub-pocket of the enzyme. Screening of the compounds over 60 cell line panel of human tumor cell lines identified compound 3a that exhibited GI50 35 nM and 63 nM against MCF7 and MDA-MB-468 cell lines of breast cancer. PMID- 29208524 TI - Synthesis, in vitro alpha-glucosidase inhibitory activity and docking studies of novel chromone-isatin derivatives. AB - A novel series of chromone-isatin derivatives 6a-6p were designed, synthesized and characterized by 1H NMR, 13C NMR and HRMS. These novel synthetic compounds were evaluated for inhibitory activity against yeast alpha-glucosidase enzyme. The results of biological test have shown that all tested compounds exhibited excellent to potent inhibitory activity in the range of IC50 = 3.18 +/- 0.12 16.59 +/- 0.17 MUM as compared to the standard drug acarbose (IC50 = 817.38 +/- 6.27 MUM). Compound 6j (IC50 = 3.18 +/- 0.12 MUM) with a hydroxyl group at the 7 position of chromone and a 4-bromobenzyl group at the N1-positions of isatin, was found to be the most active compound among the series. Furthermore, molecular docking study was performed to help understand binding interactions of the most active analogs with alpha-glucosidase enzyme. These results indicated that this class of compounds had potential for the development of anti-diabetic agents. PMID- 29208525 TI - Novel familial mutation of LRP5 causing high bone mass: Genetic analysis, clinical presentation, and characterization of bone matrix mineralization. AB - The Wnt signalling pathway is a critical regulator of bone mass and quality. Several heterozygous mutations in the LRP5 gene, a Wnt co-receptor, causing high bone mass (LRP5-HBM) have been described to date. The pathogenic mechanism is thought to be a gain-of-function caused by impaired inhibition of the canonical Wnt signalling pathway, thereby leading to increased bone formation. We report the cases of two affected family members, a 53-year-old mother and her 23-year old daughter, with high bone mass (T-scores mother: lumbar spine 11.4, femoral neck 10.5; T-scores daughter: lumbar spine 5.4, femoral neck 8.7), increased calvarial thickness, and thickened cortices of the long bones but no history of fractures. Whereas the mother did not show any indications of the mutation, the daughter suffered from congenital hearing impairment resulting in cochlear implantation, recurrent facial palsy, and migraine. In addition, she had stenosis of the foramen magnum. In both individuals, we detected a novel heterozygous duplication of six basepairs in the LRP5 gene, resulting in an insertion of two amino acids, very likely associated with a gain-of-function. When the daughter had part of the occipital bone surgically removed, the bone sample was used for the visualization of bone lamellar structure and bone cells as well as the measurement of bone mineralization density distribution (BMDD). The bone sample revealed two distinctly different regions: an intra-cortical region with osteonal remodeling, typical osteonal lamellar orientation, associated with relatively higher heterogeneity of bone matrix mineralization, and another periosteal region devoid of bone remodeling, with parallel bone lamellae and lower heterogeneity of mineralization. In conclusion, we present data on bone tissue and material level from an LRP5-HBM patient with a novel mutation in the LRP5 gene. Our findings indicate normal morphology of osteoclasts and osteoblasts as well as normal mineralization in skull bone in LRP5-HBM. PMID- 29208527 TI - Spontaneous pure subacute subdural haematoma without subarachnoid haemorrhage caused by rupture of middle cerebral artery aneurysm. PMID- 29208526 TI - LARG GEF and ARHGAP18 orchestrate RhoA activity to control mesenchymal stem cell lineage. AB - The quantity and quality of bone depends on osteoblastic differentiation of mesenchymal stem cells (MSCs), where adipogenic commitment depletes the available pool for osteogenesis. Cell architecture influences lineage decisions, where interfering with cytoskeletal structure promotes adipogenesis. Mechanical strain suppresses MSC adipogenesis partially through RhoA driven enhancement of cytoskeletal structure. To understand the basis of force-driven RhoA activation, we considered critical GEFs (activators) and GAPs (inactivators) on bone marrow MSC lineage fate. Knockdown of LARG accelerated adipogenesis and repressed basal RhoA activity. Importantly, mechanical activation of RhoA was almost entirely inhibited following LARG depletion, and the ability of strain to inhibit adipogenesis was impaired. Knockdown of ARHGAP18 increased basal RhoA activity and actin stress fiber formation, but did not enhance mechanical strain activation of RhoA. ARHGAP18 null MSCs exhibited suppressed adipogenesis assessed by Oil-Red-O staining and Western blot of adipogenic markers. Furthermore, ARHGAP18 knockdown enhanced osteogenic commitment, confirmed by alkaline phosphatase staining and qPCR of Sp7, Alpl, and Bglap genes. This suggests that ARHGAP18 conveys tonic inhibition of MSC cytoskeletal assembly, returning RhoA to an "off state" and affecting cell lineage in the static state. In contrast, LARG is recruited during dynamic mechanical strain, and is necessary for mechanical suppression of adipogenesis. In summary, mechanical activation of RhoA in mesenchymal progenitors is dependent on LARG, while ARHGAP18 limits RhoA delineated cytoskeletal structure in static cultures. Thus, on and off GTP exchangers work through RhoA to influence MSC fate and responses to static and dynamic physical factors in the microenvironment. PMID- 29208528 TI - Heterochromatin protein (HP)1gamma is not only in the nucleus but also in the cytoplasm interacting with actin in both cell compartments. AB - Confocal and electron microscopy images, and WB analysis of cellular fractions revealed that HP1gamma is in the nucleus but also in the cytoplasm of C2C12 myoblasts, myotubes, skeletal and cardiac muscles, N2a, HeLa and HEK293T cells. Signal specificity was tested with different antibodies and by HP1gamma knockdown. Leptomycin B treatment of myoblasts increased nuclear HP1gamma, suggesting that its nuclear export is Crm-1-dependent. HP1gamma exhibited a filamentous pattern of staining partially co-localizing with actin in the cytoplasm of myotubes and myofibrils. Immunoelectron microscopic analysis showed high-density immunogold particles that correspond to HP1gamma localized to the Z disk and A-band of the sarcomere of skeletal muscle. HP1gamma partially co localized with actin in C2C12 myotubes and murine myofibrils. Importantly, actin co-immunoprecipitated with HP1gamma in the nuclear and cytosolic fractions of myoblasts. Actin co-immunoprecipitated with HP1gamma in myoblasts incubated in the absence or presence of the actin depolymerizing agent cytochalasin D, suggesting that HP1gamma may interact with G-and F-actin. In the cytoplasm, HP1gamma was associated to the perinuclear actin cap that controls nuclear shape and position. In the nucleus, re-ChIP assays showed that HP1gamma-actin associates to the promoter and transcribed regions of the house keeping gene GAPDH, suggesting that HP1gamma may function as a scaffold protein for the recruitment of actin to control gene expression. When HP1gamma was knocked-down, myoblasts were unable to differentiate or originated thin myotubes. In summary, HP1gamma is present in the nucleus and the cytoplasm interacting with actin, a protein complex that may exert different functions depending on its subcellular localization. PMID- 29208529 TI - Vesicular transport protein Arf6 modulates cytoskeleton dynamics for polar body extrusion in mouse oocyte meiosis. AB - Arf6 (ADP-ribosylation factor 6) is known to play important roles in membrane dynamics through the regulation of actin filament reorganization for multiple cellular processes such as cytokinesis, phagocytosis, cell migration and tumor cell invasion. However, the functions of Arf6 in mammalian oocyte meiosis have not been clarified. In present study we showed that Arf6 expressed in mouse oocytes and was mainly distributed around the spindle during meiosis. Depletion of Arf6 by morpholino microinjection caused oocytes failing to extrude first polar body. Further analysis indicated that Arf6 knock down caused the aberrant actin distribution, which further induced the failure of meiotic spindle movement. And the loss of oocyte polarity also confirmed this. The regulation of Arf6 on actin filaments in mouse oocytes might be due to its effects on the phosphorylation level of cofilin and the expression of Arp2/3 complex. Moreover, we found that the decrease of Arf6 caused the disruption of spindle formation, indicating the multiple roles of Arf6 on cytoskeleton dynamics in meiosis. In summary, our results indicated that Arf6 was involved in mouse oocyte meiosis through its functional roles in actin-mediated spindle movement and spindle organization. PMID- 29208530 TI - Analytical performances of simultaneous detection of HIV-1, HIV-2 and hepatitis C specific antibodies and hepatitis B surface antigen (HBsAg) by multiplex immunochromatographic rapid test with serum samples: A cross-sectional study. AB - BACKGROUND: The HIV/HCV/HBsAg Triplex consists in manually performed, visually interpreted, lateral flow, immunochromatographic rapid diagnostic test simultaneously detecting in 15min human immunodeficiency virus (HIV)-1 and HIV-2 and hepatitis C virus (HCV)- specific antibodies (Ab) (IgG and IgM) and hepatitis B virus (HBV) surface antigen (HBsAg) in serum, plasma and whole blood. METHODS: A hospital-based cross-sectional study was conducted on a prospective panel of serum samples from adult inpatients included from routine analysis irrespectively of age and sex, including 250 sera positive for HIV-1-specific Ab, 250 for HCV specific Ab, 250 for HBsAg and 250 sera negative for HIV- and HCV- Ab and HBsAg, and from 110 HIV-2-infected patients living in Ivory Coast, according to the results obtained by the reference chemiluminiscent microparticle immunoassay (CMIA) Abbott Architect i2000SR analyzer (Abbott Diagnostic, Chicago, IL, USA). Among HCV-seropositive sera, 187 were positive for HCV RNA (chronic infection), whereas 63 were negative (resolved infection), respectively. Serum samples were further tested blindly by HIV/HCV/HBsAg Triplex according to manufacturers' recommendations. RESULTS: HIV/HCV/HBsAg Triplex showed very high sensitivity and specificity, as well as excellent concordance with CMIA Abbott results, as shown in the Table. Lower sensitivity was observed only in individuals who had cleared their HCV infection (presence of HCV-specific Ab in absence of HCV RNA). The mean lower limit of HBsAg detection was 2.38+/-0.63 IU/ml. Erythrocytes-spiked serum samples gave similar results than serum samples. CONCLUSIONS: Advantages of HIV/HCV/HBsAg Triplex for HIV-1, HIV-2, HCV and HBV include the requirement for less overall specimen volume, fewer finger-sticks if capillary whole blood is used, cost savings through lower cost per virus tested, improved patient flow with results for multiple viruses available at the same time, overall service delivery efficiencies with less time required per infected patient; and patient benefits from fewer visits and lower cost associated with each clinic attendance. The screening of chronic HIV, HCV and HBV by multiplex HIV-1/HIV-2/HCV/HBsAg Triplex may improve the "cascade of screening" and quite possibly linkage-to-care with reduced cost. PMID- 29208531 TI - The characteristics of household food waste in Hong Kong and their implications for sewage quality and energy recovery. AB - Food waste (FW) is a worldwide environmental issue due to its huge production amount. FW separation from municipal solid waste followed by different treatment strategies has been widely accepted. Food waste disposer (FWD) is a promising approach to separate and collect household food waste (HFW), which has been widely applied in many countries. However, the feasibility of FWD application in many countries is still being debated due to the major concerns over the impact of FWD on the wastewater treatment plants. In order to investigate the feasibility of FWD application, FW characterization is a key work to be conducted in advance. Since the FW characteristics largely vary by region, reliable and representative FW characteristics in different countries should be investigated. To provide such information for further studies on FW management for Hong Kong, HFW was collected from Hong Kong typical households over one year and analyzed systemically in this study. The FW composition varied little from place to place or season to season, and the values observed were comparable with results reported from other countries and regions. Based on the reliable HFW characteristics obtained from one-year survey coupled with statistical analysis, simulated HFW for Hong Kong consisting of 50% fruits, 20% vegetables, 20% starchy food and 10% meat was proposed for future studies. On the other hand, the FWD treatment caused more than 50% of the biodegradable organic content in HFW to dissolve. With a ratio of 1 g food waste to 1 L sewage, total solids in the wastewater stream were predicted to increase by 73%, total chemical oxygen demand by 61%, soluble chemical oxygen demand by 110%, nitrogen by 6% and phosphorus by 16%. Theoretically, 22 million m3/year of additional methane could be generated if 50% of Hong Kong residential buildings equipped with FWD. That would certainly increase pollutant loading on the wastewater treatment plants, but also energy recovery potential. PMID- 29208533 TI - Assessing cerebellar brain inhibition (CBI) via transcranial magnetic stimulation (TMS): A systematic review. AB - The inhibitory tone that the cerebellum exerts on the primary motor cortex (M1) is known as cerebellar brain inhibition (CBI). Studies show CBI to be relevant to several motor functions, including adaptive motor learning and muscle control. CBI can be assessed noninvasively via transcranial magnetic stimulation (TMS) using a double-coil protocol. Variability in parameter choice and controversy surrounding the protocol's ability to isolate the cerebellothalamocortical pathway casts doubt over its validity in neuroscience research. This justifies a systematic review of both the protocol, and its application. The following review examines studies using the double-coil protocol to assess CBI in healthy adults. Parameters and CBI in relation to task-based studies, other non-invasive protocols, over different muscles, and in clinical samples are reviewed. Of the 1398 studies identified, 24 met selection criteria. It was found that methodological design and selection of parameters in several studies may have reduced the validity of outcomes. Further systematic testing of CBI protocols is warranted, both from a parameter and task-based perspective. PMID- 29208532 TI - Improvement of acidogenic fermentation for volatile fatty acid production from protein-rich substrate in food waste. AB - Based on our previous study, the low volatile fatty acid (VFA) production from egg white in food waste was mainly attributed to more acidogenic substrates (proteins and amino acids) consumed in the Maillard reaction and more organics converted into lactic acid. In this study, two methods were employed to improve VFA production: (1) reducing Maillard reaction with a drop in pH during hydrothermal (HT) pretreatment, and (2) inhibiting the conversion from protein to lactic acid. HT pretreatment under weakly acidic condition significantly promoted the hydrolysis and degradation of protein and the hydrolytic enzyme (protease) activity, thus increasing VFA yield by 45.8% from 0.24 to 0.35 g/g protein for HT pretreated egg white. Addition of sodium oxamate increased the maximal VFA yield from 0.24 to 0.29 g/g protein for HT pretreated egg white and from 0.32 to 0.67 g/g protein for egg white with no pretreatment in which there was more protein converted through the lactic acid metabolism pathway. Sodium oxamate improved the acidification step by inhibiting the reaction from pyruvates to lactic acid, and thereby accelerating the process of conversion from pyruvates to VFA. PMID- 29208534 TI - Loss of CDKL5 disrupts respiratory function in mice. AB - Cyclin-dependent kinase-like 5 (CDKL5) is an X-linked gene encoding a serine threonine kinase that is highly expressed in the central nervous system. Mutations in CDKL5 cause neurological and psychiatric symptoms, including early onset seizures, motor dysfunction, autistic features and sleep breathing abnormalities in patients. It remains to be addressed whether loss of CDKL5 causes respiratory dysfunction in mice. Here, we examined the respiratory pattern of male Cdkl5-/y mice at 1-3 months of age during resting breathing and respiratory challenge (i.e., hypoxia and hypercapnia) via whole body plethysmography. The results demonstrated that the resting respiratory frequency and tidal volume of Cdkl5-/y mice was unaltered compared to that of WT mice at 1 month of age. However, these mutant mice exhibit transient reduction in tidal volume during respiratory challenge even the reduction was restored at 2 months of age. Notably, the sigh-breathing pattern was changed in Cdkl5-/y mice, showing a transient reduction in sigh volume at 1-2 month of age and long-term attenuation of peak expiratory airflow from 1 to 3 month of age. Therefore, loss of CDKL5 causes breathing deficiency, supporting a CDKL5-mediated regulation of respiratory function in mice. PMID- 29208535 TI - The influence of 5-HT1A receptors in the dorsal raphe nucleus on genioglossus activity. AB - Genioglossus activity maintains the patency of the upper airway. 5-HT neurons in the raphe nucleus regulate genioglossus activity. In order to study the influence of 5-HT1A receptors in dorsal raphe nucleus (DRN) on genioglossus EMG during normoxia, adult male Wistar rats were randomly divided into four groups: the artificial cerebrospinal fluid group (ACSF group), the low-concentration of 5 HT1A receptors agonist 8-OH-DPAT group (0.1 mM group), the mid-concentration 8-OH DPAT group (0.4 mM group) and the high-concentration 8-OH-DPAT group (1.0 mM group). Rats received 0.1 MUl ACSF/8-OH-DPAT microinjections into the DRN. EMG activity of the genioglossus was recorded at 5 min, 15 min and 30 min after microinjection. In three 8-OH-DPAT groups, genioglossus EMG activity significantly decreased at 5 min after microinjection and persisted for 30 min. The significantly decreased EMG activity was more pronounced in the mid- and high concentration groups than in the low-concentration group, indicating that 5-HT1A receptors in the DRN could rapidly and continuously inhibit genioglossus EMG activity during normoxia. PMID- 29208536 TI - HEK-293 secretome attenuates kainic acid neurotoxicity through insulin like growth factor-phosphatidylinositol-3-kinases pathway and by temporal regulation of antioxidant defense machineries. AB - A major impediment in the success of cell therapy for neurodegenerative diseases is the poor survival of grafted cells in the in vivo milieu, predominantly due to accumulated reactive oxygen species, thus prompting the search for suitable alternatives. Accumulating evidence suggests that the therapeutic potential of transplanted cells is partially attributed to the secretome released by them into the extracellular milieu. Studies that investigated the neuroprotective potential of the secretome attributes to the mere presence of growth factors without addressing other underlying cellular/molecular changes that occur upon post secretome intervention like re-establishing the host cell's free radical scavenging machineries. In the present study, we investigated the neuroprotective effects of human embryonic kidney (HEK-293) cell line derived secretome (HEK-S) in an in vitro model of kainic acid (KA) induced neurodegeneration and explored the possible neuroprotective mechanism(s) of HEK-S. Murine hippocampal cells were exposed to toxic doses of KA (200MUM) for 6hours (H) or 24H to induce excitotoxicity. Kainic acid exposed hippocampal cells were then treated with HEK S either simultaneously or 6h post-KA exposure. Our results revealed that HEK-S confers significant neuroprotection in early/later stages of neurodegeneration through insulin like growth factor (IGF) - phosphatidylinositol-3-kinases (PI3K) pathway, efficiently restoring the host's free radical scavenging mechanisms at molecular-cellular-biochemical levels and also by modulating kainate receptor subunit expressions in host neurons. PMID- 29208538 TI - Sleep-Related Painful Erections: A Meta-Analysis on the Pathophysiology and Risks and Benefits of Medical Treatments. AB - BACKGROUND: Patients with sleep-related painful erections (SRPEs) have frequent awakenings from deep penile pain during nocturnal erections. This results in severe sleep deprivation. AIM: To review the current literature on SRPEs and discuss the pathophysiologic theories and risks and benefits of medical treatments. METHODS: PubMed was searched using the terms sleep-related painful erections, nocturnal priapism, treatment, and sleep-related erections. OUTCOME: Variables included patient demographics, medical history, diagnostics, hypotheses on pathophysiology, and treatment modalities and their effect on SRPE in the short and long term. RESULTS: The search yielded in 66 SRPE cases that were analyzed, including our mono-institutional series of 24 patients. The phenomenon of SRPEs is not well understood. Theories about pathophysiology concerned increased serum testosterone levels, altered autonomic function, compression of the lateral preoptic area, coexistent obstructive sleep apnea syndrome, the existence of a "compartment syndrome," and psychosomatic factors. Except for polysomnographic findings that showed sleep fragmentation and decreased sleep efficiency in all patients, other diagnostic results varied widely. Multiple agents were tried. Baclofen and, to lesser degree, clonazepam showed noticeable results, most likely due to their influence on the gamma-aminobutyric acid system and, hence, suppression of glutamate release. In addition, baclofen relaxes the ischiocavernosus and bulbospongiosus muscles, which are involved in penile erection. CLINICAL IMPLICATIONS: By providing a critical analysis and complete overview on the limited literature about this overlooked and undermanaged condition, this review contributes to a better understanding of the pathophysiology and provides directions for future research on the treatment of SRPE. STRENGTHS AND LIMITATIONS: Because the literature on SRPEs includes only case reports and small case series, the level of evidence of treatment advice is limited. CONCLUSION: The pathophysiology of SRPEs is not yet clarified. Further diagnostic evaluation, including electromyography of the ischiocavernosus and bulbospongiosus muscles to elucidate the pathophysiology, is recommended. Prospective controlled investigations are warranted to assess the efficacy and safety of long-term use of baclofen and develop evidence-based treatment advice. Vreungdenhil S, Weidenaar AC, de Jong IJ, van Driel MF. Sleep-Related Painful Erections: A Meta-Analysis on the Pathophysiology and Risks and Benefits of Medical Treatments. J Sex Med 2018;15:5-19. PMID- 29208537 TI - Comprehensive Evaluation of the Learning Curve for Peroral Endoscopic Myotomy. AB - BACKGROUND & AIMS: Peroral endoscopic myotomy (POEM) is a minimally invasive endoscopic surgical procedure that is effective in treatment for spastic esophageal motility disorders. However, little is known about the learning curve for endoscopists. We aimed to evaluate the effects of various factors on the POEM learning curve. METHODS: We performed a retrospective study of 1346 patients who underwent POEM for achalasia at Shanghai Zhongshan Hospital in China from August 2010 through July 2015. We used risk-adjusted cumulative sum and moving average methods to evaluate outcomes. The primary outcome was a composite of technical failure and adverse events. Secondary outcomes included procedure time and the composite outcome of technical failure, adverse events, and clinical failure of the first 192 cases performed by only the original, training surgeon. RESULTS: The primary composite outcome occurred in 54 (4%) of the 1346 patients: 10 technical failures and 44 adverse events. This composite outcome was independently associated with the case number (P = .010), full-thickness myotomy (P = .002), and procedure time (P = .001). After we adjusted for these risk factors, cumulative sum analysis showed that the primary composite outcome decreased gradually after 100 cases. The procedure time was high during the first few cases and decreased after endoscopists performed 70 cases. The secondary composite outcome of technical failure, adverse events, and clinical failure for the 192 cases performed by only the original surgeon gradually decreased after 90 100 cases. CONCLUSIONS: In a retrospective analysis of POEM procedures, we found that 100 cases were required to decrease the risk of technical failure, adverse events, and clinical failure (the learning curve). Seventy cases can be considered the threshold for decreasing procedure time. PMID- 29208539 TI - Trichoderma based synthesis of anti-pathogenic silver nanoparticles and their characterization, antioxidant and cytotoxicity properties. AB - Antibacterial silver nanoparticles (AgNPs) are synthesized from various biological resources, but studies on Trichoderma-based synthesis are limited. Hence, the current work synthesized antibacterial silver nanoparticles using Trichoderma atroviride and also tested for their biomedical properties. AgNPs synthesis was confirmed by the occurrence of plasmon resonance at 390-400 nm in the UV-vis spectrum. FTIR spectrum displayed the bands at 1115.4 and 3450 cm-1 indicating the vibrations of the metallic oxides. Transmission electron microscopic and EDX analysis confirmed a high percentage signal of anisotropic structural AgNPs with the size of 15-25 nm. The AgNPs exhibited high antibacterial activity and DPPH scavenging activity in a dosedependent manner. The cytotoxicity assay ???? indicated that the AgNPs triggered the cancer cell death at the inhibitory concentration of IC50 16.5 MUg/ml. Current work reported for the first time Trichoderma atroviride based synthesis of anisotropic structural AgNPs with the relatively small size of 15-25 nm with remarkable anti bacterial, antioxidant and cytotoxicity activities, and this deserves future investigations for biomedical applications. PMID- 29208540 TI - Phytochemical analysis and antibacterial activities extracts of mangrove leaf against the growth of some pathogenic bacteria. AB - In this study, the effects of water, ethanol, methanol and glycerin at five levels (0, 31.25, 83.33, 125 and 250 ml) were investigated on the efficiency of mangrove leaf extraction using mixture optimal design. The antimicrobial effect of the extracts on Streptococcus pneumoniae, Enterococcus faecium and Klebsiella pneumoniae was evaluated using disk diffusion, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) methods. The mangrove leaf extraction components were identified through gas chromatography/mass spectrometry (GC/MS). Phytochemical analysis (alkaloids, tannins, saponins, flavone and glycosides) were evaluated based on qualitative methods. Antioxidant activity of extracts was measured using 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing antioxidant potential (FRAP) methods. Maximum antimicrobial effect was observed in Enterococcus faecium and highest resistance against mangrove leaf extract in Enterococcus faecium and Klebsiella pneumoniae, respectively. Increasing concentration of mangrove extracts had a significant effect (p <= 0.05) on inhibition zone diameter. The MICs of the mangrove leaf extraction varied from 4 mg/ml to 16 mg/ml. The optimum formulation was found to contain glycerin (0 ml), water (28.22 ml), methanol (59.83 ml) and ethanol (161.95 ml). The results showed that the highest antioxidant activity was related to optimum extract of mangrove leaf and ethanolic extract respectively. The results of phytochemical screening of Avicennia marina leaves extract showed the existence of alkaloids, tannins, saponins, flavone and glycosides. 2-Propenoic acid, 3-phenyl- was the major compound of Avicennia marina. The results of non significant lack of fit tests, and F value (14.62) indicated that the model was sufficiently accurate. In addition, the coefficient of variations (16.8%) showed an acceptable reproducibility. PMID- 29208541 TI - Biological synthesis of silver nanoparticles using beta-1, 3 glucan binding protein and their antibacterial, antibiofilm and cytotoxic potential. AB - The present study reports the biological synthesis of silver nanoparticles using crustacean immune molecule beta-1, 3 glucan binding protein (beta-GBP) purified from the haemolymph of blue swimmer crab Portunus pelagicus. The characterization of synthesized beta-GBP based silver nanoparticles (Ppbeta-GBP-AgNPs) was made by UV-Vis spectroscopy, XRD, FTIR and TEM analysis. UV-Vis spectra recorded the strong absorbance peak at 420 nm due to its surface plasmon resonance. The XRD analysis revealed the crystalline nature of synthesized nanoparticles with Bragg's reflection peaks at (111), (200), (220), (311) planes. FTIR analysis showed the possible functional groups at 3422, 2926, 2847, 1648, 1556, 1407, 1016 and 669 cm-1. The mean particle size of Ppbeta-GBP-AgNPs was 33-47 nm revealed by TEM analysis. Ppbeta-GBP-AgNPs exhibit appreciable antibacterial activity against Enterococcus faecalis and Pseudomonas aeruginosa when compared to chemical based AgNPs (Chem-AgNPs). The antibiofilm property of Ppbeta-GBP-AgNPs was assessed through light microscopy and confocal laser scanning microscopy analysis (CLSM), which clearly demonstrates, thickness of E. faecalis and P. aeruginosa preformed biofilm was reduced to 11 MUm & 8 MUm from 47 MUm & 45 MUm respectively. Moreover, exopolysaccharide (EPS) quantification and cell surface hydrophobicity (CSH) index exhibited that, Ppbeta-GBP-AgNPs had the potential to disturb structural integrity of biofilm by upset EPS matrix and bacterial adhesion to hydrocarbons. In addition, the cytotoxic effect of Ppbeta-GBP-AgNPs was evaluated against human cervical cancer cells (HeLa). Ppbeta-GBP-AgNPs effectively inhibit the viability of HeLa cells at 50 MUg/ml concentration and the morphological changes in Ppbeta-GBP-AgNPs treated HeLa cells were observed under phase contrast microscopy. PMID- 29208542 TI - Antibiotics susceptibility of quinolones against Salmonella spp. strains isolated and molecularly sequenced for gyrA gene. AB - Drug-resistant Salmonella is frequently detected in most parts of the world, and its rate of resistance has increased significantly in recent years. However, this study aimed to evaluate the minimum inhibitory concentration (MIC, determined with the Kirby-Bauer method) of quinolones in 86 Salmonella spp. strains isolated from pigs. Both the inside and outside of the QRDR region of strains were sequenced. The DNA sequence of the QRDR region of Salmonella spp. revealed the mutations S83F, D87N and S83Y. The region outside the QRDR showed a mutation in L582G. Forty-five isolates of Salmonella ssp. were categorized as quinolone resistant; out of these, 16 corresponded to Salmonella enterica and isolates showed intermediate resistance (6.25%) to nalidixic acid. Three isolats (18.6%) were resistant to ampicillin; two (12.5%) were resistant to carbenicillin. Moreover, three (18.7%) isolates were resistant to gentamicin, nitrofurantoin and pefloxacin, and 8 (50%) were resistant to trimethoprim/sulfamethoxazole. Six percent of Salmonella spp. strains showed less resistance to antimicrobial agents compared to S. Thyphimurium (18%). The resistance to individual quinolones varied by serotypes. For S. anatum and S. Reading, it was 12.25%, and for S. choreaeaesuis, S. typhimurium monofasica, 6.25%. In contrast, S. agona, S. bredeney and S. london were sensitive to these antibiotics. In conclusion, quinolones have become the drugs of choice for the treatment of severe Salmonella infections. The study of mutations outside the QRDR region opens up new insights about the resistance of Salmonella to fluoroquinolones. PMID- 29208543 TI - In vivo toxic effects of 4-methoxy-5-hydroxy-canthin-6-one in zebrafish embryos via copper dyshomeostasis and oxidative stress. AB - Dysfunction of copper homeostasis can lead to a host of disorders, which might be toxic sometimes. 4-Methoxy-5-hydroxy-canthin-6-one (CAN) is one of the major constituents from Picrasma quassioides and responsible for its therapeutic effects. In this work, we evaluated the toxic effect of CAN (7.5MUM) on zebrafish embryos. CAN treatment decreased survival, delayed hatching time and induced malformations (loss of pigmentation, pericardial edema, as well as hematologic and neurologic abnormalities). Besides, exogenous copper supplementation rescued the pigmentation and cardiovascular defects in CAN-treated embryos. Further spectroscopic studies revealed a copper-chelating activity of CAN. Then its regulation on the expressions of copper homeostasis related genes also be analyzed. In addition, CAN lowered the total activity of SOD, elevated the ROS production and altered the oxidative related genes transcriptions, which led to oxidative stress. In conclusion, we demonstrated that CAN (7.5MUM) might exert its toxic effects in zebrafish embryos by causing copper dyshomeostasis and oxidative stress. It will give insight into the risk assessment and prevention of CAN-mediated toxicity. PMID- 29208544 TI - Mandibuloacral dysplasia: A premature ageing disease with aspects of physiological ageing. AB - Mandibuloacral dysplasia (MAD) is a rare genetic condition characterized by bone abnormalities including localized osteolysis and generalized osteoporosis, skin pigmentation, lipodystrophic signs and mildly accelerated ageing. The molecular defects associated with MAD are mutations in LMNA or ZMPSTE24 (FACE1) gene, causing type A or type B MAD, respectively. Downstream of LMNA or ZMPSTE24 mutations, the lamin A precursor, prelamin A, is accumulated in cells and affects chromatin dynamics and stress response. A new form of mandibuloacral dysplasia has been recently associated with mutations in POLD1 gene, encoding DNA polymerase delta, a major player in DNA replication. Of note, involvement of prelamin A in chromatin dynamics and recruitment of DNA repair factors has been also determined under physiological conditions, at the border between stress response and cellular senescence. Here, we review current knowledge on MAD clinical and pathogenetic aspects and highlight aspects typical of physiological ageing. PMID- 29208545 TI - IL-24 is a common and specific autoantigen of IgE in patients with chronic spontaneous urticaria. AB - BACKGROUND: The efficacy of omalizumab (anti-IgE) and increased IgE levels in patients with chronic spontaneous urticaria (CSU) suggest autoallergic mechanisms. OBJECTIVE: We sought to identify autoallergic targets of IgE in patients with CSU. METHODS: Serum samples of patients with CSU together with those of patients with idiopathic anaphylaxis and healthy control subjects (7 of each) were screened for IgE autoantibodies by using an array of more than 9000 proteins. Sera of 1062 patients with CSU and 482 healthy control subjects were used in an IgE-anti-IL-24-specific ELISA to investigate the association of IgE anti-IL-24 and CSU. RESULTS: By using array analyses, more than 200 IgE autoantigens were found in patients with CSU that were not found in control subjects. Of the 31 IgE autoantigens detected in more than 70% of patients, 8 were soluble or membrane bound and expressed in the skin. Of these, only IgE autoantibodies to IL-24 were found in all patients with CSU. In vitro studies showed IL-24 to release histamine from human mast cells sensitized with purified IgE of patients with CSU but not control subjects. By using ELISA, mean +/- SD levels of IgE-anti-IL-24 were 0.52 +/- 0.24 IU/mL in patients with CSU and 0.27 +/- 0.08 IU/mL in control subjects, with 80% of patients with CSU but only 20% of control subjects having levels greater than 0.33 IU/mL (P < .0001). IgE-anti-IL 24 showed acceptable predictive properties for CSU, with a likelihood ratio of 3.9. Clinically, IgE-anti-IL-24 levels showed an association with disease activity, as assessed by the urticaria activity score and with reduced basophil counts. CONCLUSION: Our findings show that patients with CSU frequently exhibit IgE autoantibodies against many autoantigens and that IL-24 is a common, specific, and functional autoantigen of IgE antibodies in patients with CSU. PMID- 29208546 TI - Thymic stromal lymphopoietin does not activate human basophils. PMID- 29208547 TI - Generation of adult human T-cell progenitors for immunotherapeutic applications. PMID- 29208548 TI - Physicians infrequently miss choledocholithiasis prior to cholecystectomy in the United States. PMID- 29208549 TI - The natural history of achalasia: Evidence of a continuum-"The evolutive pattern theory". AB - BACKGROUND: It is currently unclear if the three manometric patterns of esophageal achalasia represent distinct entities or part of a disease continuum. The study's aims were: a) to test the hypothesis that the three patterns represent different stages in the evolution of achalasia; b) to investigate whether manometric patterns change after Laparoscopic-Heller-Dor (LHD). METHODS: We assessed the patients diagnosed with achalasia who underwent LHD as their first treatment from 1992 to 2016. Their symptoms were scored using a detailed questionnaire for dysphagia, food-regurgitation, and chest pain. Barium-swallow, endoscopy, and esophageal-manometry were performed before and 6 months after surgery. RESULTS: The study population consisted of 511 patients (M:F=283:228). Patients' demographic and clinical data showed that those with pattern III had a shorter history of symptoms, a higher incidence of chest pain, and a less dilated gullet (p<0.001). All patients with a sigmoid-shaped mega-esophagus had pattern I achalasia. One patient with a diagnosis of pattern III achalasia developed pattern II at a follow-up manometry before surgery. At a median follow-up of 30 months (IQR 12-56), the outcome of surgery was positive in 479 patients (91.7%). All patients with pattern I preoperatively had the same pattern after LHD, whereas more than 50% of patients with pattern III before treatment showed pattern I or II after surgery. CONCLUSIONS: This study supports the hypothesis/theory that the different manometric patterns represent different stages in the evolution of the disease-where pattern III is the earliest stage, pattern II an intermediate stage, and pattern I the final stage. PMID- 29208550 TI - Transabdominal salvage surgery after pouch failure in a tertiary center: A case matched study. AB - BACKGROUND: Salvage surgery after failure of ileal pouch-anal anastomosis (IPAA) could be offered to selected patients. However, the results vary widely in different centers. AIMS: To assess the outcomes of salvage surgery by comparison with a control group matched for confounding variables. METHODS: From a prospective database of 1286 IPAA, patients undergoing transabdominal salvage surgery were compared for perioperative and functional outcomes and quality of life (QOL) to a 1:3 control group of primary IPAA cases. RESULTS: Salvage surgery patients (30) had a higher rate of hand-sewn anastomoses (80 vs 20%, p <0.0001) and reoperations (10 vs 2.2%, p 0.02) than control group (90). A higher number of daytime and nighttime bowel movements (7.4 vs 4.1, p <0.0001, and 2.6 vs 1.8, p=0.002), a lower median CGQL score (0.7 vs 0.8, p=0.0001) and a higher rate of pouch fistulae (13.3 vs 1.1%, p=0.003) were reported after salvage surgery. Pouch failure rate after salvage surgery was 10.1%, 18.7% and 26.8% at 1, 5 and 10 years (vs 0%, 3.5% and 8.4% in control group, p=0.0085). CONCLUSIONS: Although worse functional outcomes and decreased QOL have to be expected, salvage surgery after pouch failure is associated with acceptable outcomes when performed in a referral center. PMID- 29208551 TI - A simplified prognostic model to predict mortality in patients with acute variceal bleeding. AB - BACKGROUND: Acute variceal bleeding (AVB) is a major cause of death in patients with liver cirrhosis. The aim of this study was to investigate mortality predictors and develop a new simple prognostic model using easily verified factors at admission in AVB patients. METHODS: Between January 2009 and May 2015, 333 consecutive patients with AVB were included. A simplified prognostic model was developed using multiple logistic regression after identifying significant predictors of 6-week mortality. Mortality prediction accuracy was assessed with area under the receiver operating characteristic (AUROC) curve. We compared the new model to existing models of model for end-stage liver disease (MELD) and Child-Pugh scores. RESULTS: The 6-week overall mortality rate was 12.9%. Multivariate analysis showed that C-reactive protein (CRP), total bilirubin, and the international normalized ratio were independent predictors of mortality. A new logistic model using these variables was developed. This model's AUROC was 0.834, which was significantly higher than that of MELD (0.764) or Child-Pugh scores (0.699). Two external validation studies showed that the AUROC of our model was consistently higher than 0.8. CONCLUSIONS: Our new simplified model accurately and consistently predicted 6-week mortality in patients with AVB using objective variables measured at admission. Our system can be used to identify high risk AVB patients. PMID- 29208552 TI - Controlling human corneal stromal stem cell contraction to mediate rapid cell and matrix organization of real architecture for 3-dimensional tissue equivalents. AB - : The architecture of the human corneal stroma consists of a highly organized extracellular matrix (ECM) interspersed with keratocytes. Their progenitor cells; corneal stromal stem cells (CSSC) are located at the periphery, in the limbal stroma. A highly organized corneal ECM is critical for effective transmission of light but this structure may be compromised during injury or disease, resulting in loss of vision. Re-creating normal organization in engineered tissue equivalents for transplantation often involves lengthy culture times that are inappropriate for clinical use or utilisation of synthetic substrates that bring complications such as corneal melting. CSSC have great therapeutic potential owing to their ability to reorganize a disorganized matrix, restoring transparency in scarred corneas. We examined CSSC contractile behavior to assess whether this property could be exploited to rapidly generate cell and ECM organization in Real Architecture For 3D Tissues (RAFT) tissue equivalents (TE) for transplantation. Free-floating collagen gels were characterized to assess contractile behavior of CSSC and establish optimum cell density and culture times. To mediate cell and collagen organization, tethered collagen gels seeded with CSSC were cultured and subsequently stabilized with the RAFT process. We demonstrated rapid creation of biomimetic RAFT TE with tunable structural properties. These displayed three distinct regions of varying degrees of cellular and collagen organization. Interestingly, increased organization coincided with a dramatic loss of PAX6 expression in CSSC, indicating rapid differentiation into keratocytes. The organized RAFT TE system could be a useful bioengineering tool to rapidly create an organized ECM while simultaneously controlling cell phenotype. STATEMENT OF SIGNIFICANCE: For the first time, we have demonstrated that human CSSC exhibit the phenomenon of cellular self-alignment in tethered collagen gels. We found this mediated rapid co-alignment of collagen fibrils and thus subsequently exploited this property in vitro to improve the architecture of engineered RAFT tissue equivalents of the corneal stroma. Existing techniques are extremely lengthy and carry significant risk and cost for GMP manufacture. This rapid and tunable technique takes just 8 h of culture and is therefore ideal for clinical manufacture, creating biomimetic tissue equivalents with both cellular and ECM organization. Thus, cellular self-alignment can be a useful bioengineering tool for the development of organized tissue equivalents in a variety of applications. PMID- 29208553 TI - Fibril growth kinetics link buffer conditions and topology of 3D collagen I networks. AB - : Three-dimensional fibrillar networks reconstituted from collagen I are widely used as biomimetic scaffolds for in vitro and in vivo cell studies. Various physicochemical parameters of buffer conditions for in vitro fibril formation are well known, including pH-value, ion concentrations and temperature. However, there is a lack of a detailed understanding of reconstituting well-defined 3D network topologies, which is required to mimic specific properties of the native extracellular matrix. We screened a wide range of relevant physicochemical buffer conditions and characterized the topology of the reconstituted 3D networks in terms of mean pore size and fibril diameter. A congruent analysis of fibril formation kinetics by turbidimetry revealed the adjustment of the lateral growth phase of fibrils by buffer conditions to be key in the determination of pore size and fibril diameter of the networks. Although the kinetics of nucleation and linear growth phase were affected by buffer conditions as well, network topology was independent of those two growth phases. Overall, the results of our study provide necessary insights into how to engineer 3D collagen matrices with an independent control over topology parameters, in order to mimic in vivo tissues in in vitro experiments and tissue engineering applications. STATEMENT OF SIGNIFICANCE: The study reports a comprehensive analysis of physicochemical conditions of buffer solutions to reconstitute defined 3D collagen I matrices. By a combined analysis of network topology, i.e., pore size and fibril diameter, and the kinetics of fibril formation we can reveal the dependence of 3D network topology on buffer conditions, such as pH-value, phosphate concentration and sodium chloride content. With those results we are now able to provide engineering strategies to independently tune the topology parameters of widely used 3D collagen scaffolds based on the buffer conditions. By that, we enable the straightforward mimicking of extracellular matrices of in vivo tissues for in vitro cell culture experiments and tissue engineering applications. PMID- 29208555 TI - Hollow mesoporous zirconia delivery system for biomineralization precursors. AB - : Strategies based on the combination of nanocarrier delivery systems and scaffolds provide bone tissue engineering scaffolds with multifunctional capability. Zirconia, a biocompatible ceramic commonly used in orthopedic and dental implants, was used to synthesize hollow mesoporous nanocapsules for loading, storage and sustained release of a novel polyamine-stabilized liquid precursor phase of amorphous calcium phosphate (PAH-ACP) for collagen biomineralization and bone marrow stromal cells osteoinduction. Hollow mesoporous zirconia (hmZrO2) nanocapsules loaded with biomimetic precursors exhibited pH sensitive release capability and good biocompatibility. The PAH-ACP released from loaded hmZrO2 still retained the ability to infiltrate and mineralize collagen fibrils as well as exhibited osteoinductivity. A collagen scaffold blended with PAH-ACP@hmZrO2 supplement and stem cells may be a promising tool for bone tissue engineering. STATEMENT OF SIGNIFICANCE: The advent of nanotechnology has catalyzed the development of bone tissue engineering strategies based on the combination of nanocarrier delivery systems and scaffolds, which provide distinct advantages, including the possibilities of sustained release and protection of the bioactive agents, site-specific pharmacological effects and reduction of side effects. Herein, hollow mesoporous zirconia (hmZrO2) nanocapsules with pH sensitive capacity were synthesized for loading, storage and sustained release of a novel polyamine-stabilized liquid precursor phase of ACP (PAH-ACP). The loaded nanocapsules show good biocompatibility and demonstrate bioactivities for collagen biomineralization and bone marrow stromal cells osteoinduction. Our results may offer a promising tool for designing bone tissue engineering "cocktail therapy" involving seeding scaffolds with biomineralization precursors loaded hmZrO2 supplement and stem cells. PMID- 29208554 TI - Intracutaneous delivery of gelatins induces lipolysis and suppresses lipogenesis of adipocytes. AB - Due to growing interest in cosmetics and medical applications, therapeutic medications that reduce the amount of local subcutaneous adipose tissue have potential for obesity treatment. However, conventional methods such as surgical operation are restricted due to risk of complications. Here, we report a simple and effective method for local reduction of subcutaneous adipose tissue (AT) by using microneedle-assisted transdermal delivery of natural polymers. After in vitro screening tests, gelatin was selected as a therapeutic polymer to reduce accumulation of AT. An in vitro study showed that the level of released glycerol as an indicator of lipolysis was elevated in isolated adipocytes after gelatin treatment. In addition, gelatins suppressed expression levels of lipogenesis associated genes. Following application of gelatin microneedle (GMN) patches to high-fat diet (HD)-induced obese rats, the amount of subcutaneous AT at the site of GMN application was significantly reduced, which was also confirmed by histological analysis and micro-computed tomography scanning. In addition, lipogenesis-associated genes were down-regulated in GMN-treated subcutaneous AT. These findings suggest that GMN patches induce lipolysis and simultaneously inhibit lipogenesis, thereby reducing deposition of subcutaneous AT. This platform using GMNs may provide a new strategy to treat excess subcutaneous AT with minimal complications. STATEMENT OF SIGNIFICANCE: (1) Significance This work reports a new approach for the local reduction of subcutaneous adipose tissue using a dissolving microneedle patch prepared using gelatin to enable suppression of lipogenesis and acceleration of lipolysis in adipocytes. The gelatin microneedle patch exhibited a significant reduction of local subcutaneous fat up to 60% compared to control groups without any change in total weight. (2) Scientific impact This is the first report demonstrating the direct anti-obesity effects of gelatin administrated in a transdermal route and the feasibility of natural polymer therapeutics for regional reduction of subcutaneous fat. We believe that our work will excite interdisciplinary readers of Acta Biomaterialia, those who are interested in the natural polymers, drug delivery, and obesity. PMID- 29208556 TI - Binding of thioflavin T by albumins: An underestimated role of protein oligomeric heterogeneity. AB - Amyloid fibrils formation is the well-known hallmark of various neurodegenerative diseases. Thioflavin T (ThT)-based fluorescence assays are widely used to detect and characterize fibrils, however, if performed in bioliquids, the analysis can be biased due to the presence of other, especially abundant, proteins. Particularly, it is known that albumin may bind ThT, although the binding mechanism remains debatable. Here the role of low-order albumin oligomers in ThT binding is investigated using time-resolved fluorometry and size-exclusion chromatography. Under conditions used, the fraction of dimers in human (HSA) and bovine (BSA) serum albumin solutions is as low as ~7%, however, it is responsible for ~50% of ThT binding. For both albumins, the binding affinity was estimated to be ~200 and ~40MUM for monomeric and dimeric species, respectively. Molecular docking suggested that ThT preferentially binds in the hydrophobic pocket of subdomain IB of albumin monomer in a similar position but with a variable torsion angle, resulting in a lower fluorescence enhancement (~40-fold) compared to amyloid fibrils (~1000-fold). Dimerization of albumin presumably creates an extra binding site at the subunit interface. These results demonstrate the underestimated role of low-order albumin oligomers that can be highly relevant when analyzing drugs binding using fluorescence spectroscopy. PMID- 29208557 TI - Demonstration of bioprocess factors optimization for enhanced mono-rhamnolipid production by a marine Pseudomonas guguanensis. AB - We identified that Pseudomonas guguanensis produced macromolecular mono rhamnolipid (1264.52 Da) upon sensing n-hexadecane/diesel/kerosene from its surroundings. Permutation experiments were done to improve the laboratory-scale mono-rhamnolipid production (ie, a three-fold increase) using RSM validation. Consequently, maximal mono-rhamnolipids production [40-50 mg/L] and emulsification abilities [65-70%] were encountered on day 8 using vegetable oil, peptone + yeast extract. EI24 values for the rhamnolipids were found to be 78+/ 1.75% at 12.5 mg/ mL. Production and secretion of rhamnolipids were accompanied by aggregation of cells at day 6 as pictured in SEM. Pure monorhamnolipids of P. guguanensis was found to lower the surface tension of water to 32.98+/-0.3 mN/m than the crude and CFSs of P. aeruginosa indicating efficient activity. Utilization and subsequent removal of hexadecane was 77.2% and the breakdown products were fatty acids [decanoic, hexadecanoic, octadecanoic acids and methyl stearates] as signified in Head-space GC-MS. The breakdown products of hexadecane are also present in the synthesized rhamnolipids suggesting their biosynthetic role. Rapid degradation of hexadecane, diesel and kerosene by this emulsifier combined with non-pathogenic trait of P. guguanensis identifies this organism as a viable option to remove n-alkanes from aquatic environments. PMID- 29208558 TI - Aggregation of globular protein as a consequences of macromolecular crowding: A time and concentration dependent study. AB - The living cells show profoundly crowded condition, called as macromolecular crowding. Crowding essentially impacts on protein structure and lead to its aggregation. Protein aggregates have been involved in a wide range of diseases including Parkinson, Alzheimer's, and Huntington's. Increased in normal physiological macromolecular crowding because of increasing age can be implicated as one of the leading cause of proteopathies. In the present study, we have demonstrated the effect of macromolecular crowding on native structure of hemoglobin using bovine serum albumin as a crowding agent. Conformational changes of Hb at different concentrations of BSA were monitored using intrinsic fluorescence and ATR-FTIR spectroscopy. These results showed the transition of native Hb to a non-native form. Thermodynamic parameters were analyzed by isothermal titration calorimetry. The measurements of turbidity, thioflavin T, congo red and intrinsic fluorescence revealed the formation of significant protein aggregates with time. The kinetics of protein aggregation using relative ThT and 8-anilino-1-naphthalenesulphonic acid spectra clearly showed acceleration of the process with time and in concentration dependent manner. The spectra at 80g/l of BSA incubated for 64h showed formation of maximum Hb aggregates. Transmission electron microscopy results clearly showed the formation of amyloid aggregates structures, thus supporting the spectroscopic data. PMID- 29208559 TI - Pilose antler peptide attenuates LPS-induced inflammatory reaction. AB - The present study was designed to study the effects of pilose antler peptide (PAP) on primary culture of nucleus pulposus cells in intervertebral disc. We demonstrated that PAP significantly inhibited lipopolysaccharides (LPS) induced over-production of inflammatory factors including interleukin-1beta (IL-1beta), tumor necrosis Factor-alpha (TNF-alpha) and interleukin-6 (IL-6) in nucleus pulposus cells. PAP also attenuated increase of malondialdehyde (MDA) and decrease of superoxide dismutase (SOD) induced by LPS challenge in a concentration-dependent manner. Moreover, the expression of the protein levels of mitogen-activated protein kinase (MAPK)/nuclear transcription factor-kappaB(NF kappaB) were increased accompanying with the LPS challenge, which were significantly reversed after PAP treatment. Our results demonstrated the ability of PAP to antagonize LPS-mediated inflammation in primary culture of nucleus pulposus in intervertebral disc, suggesting a beneficial potential for its clinical application. PMID- 29208560 TI - Multiplex PCR system for the rapid diagnosis of respiratory virus infection: systematic review and meta-analysis. AB - OBJECTIVES: To provide a summary of evidence for the diagnostic accuracies of three multiplex PCR systems (mPCRs)-BioFire FilmArray RP (FilmArray), Nanosphere Verigene RV+ test (Verigene RV+) and Hologic Gen-Probe Prodesse assays-on the detection of viral respiratory infections. METHODS: A comprehensive search up to 1 July 2017 was conducted on Medline and Embase for studies that utilized FilmArray, Verigene RV+ and Prodesse for diagnosis of viral respiratory infections. A summary of diagnostic accuracies for the following five viruses were calculated: influenza A virus (FluA), influenza B virus, respiratory syncytial virus, human metapneumovirus and adenovirus. Hierarchical summary receiver operating curves were used for estimating the viral detection performance per assay. RESULTS: Twenty studies of 5510 patient samples were eligible for analysis. Multiplex PCRs demonstrated high diagnostic accuracy, with area under the receiver operating characteristic curve (AUROC) equal to or more than 0.98 for all the above viruses except for adenovirus (AUROC 0.89). FilmArray, Verigene RV+ and ProFlu+ (the only Prodesse assay with enough data) demonstrated a summary sensitivity for FluA of 0.911 (95% confidence interval, 0.848-0.949), 0.949 (95% confidence interval, 0.882-0.979) and 0.954 (95% confidence interval, 0.871-0.985), respectively. The three mPCRs were comparable in terms of detection of FluA. CONCLUSIONS: Point estimates calculated from eligible studies showed that the three mPCRs (FilmArray, Verigene RV+ and ProFlu+) are highly accurate and may provide important diagnostic information for early identification of respiratory virus infections. In patients with low pretest probability for FluA, these three mPCRs can predict a low possibility of infection and may justify withholding empirical antiviral treatments. PMID- 29208561 TI - Antibacterial prophylaxis with ciprofloxacin for patients with multiple myeloma and lymphoma undergoing autologous haematopoietic cell transplantation: a quasi experimental single-centre before-after study. AB - OBJECTIVES: We aimed to study whether ciprofloxacin prophylaxis reduces infectious complications in patients undergoing autologous haematopoietic cell transplantation (AHCT). METHODS: This is a quasi-experimental, retrospective, before-after study. We compared the incidence of bacterial-related complications among 356 patients with multiple myeloma (MM) (n = 202) and lymphoma (n = 154) who underwent AHCT with (n = 177) or without (n = 179) ciprofloxacin prophylaxis between 03/2007 and 10/2012 and between 10/2012 and 07/2016, respectively, at a single centre. RESULTS: Febrile neutropaenia, bacteraemia, and pneumonia were significantly more common among patients who underwent AHCT during the second study period and did not receive antibacterial prophylaxis compared with patients who underwent AHCT during the first study period and received antibacterial prophylaxis (89.9% (161/179) vs. 83.1% (147/177), difference 6.9%, 95% CI 0 14.1%, P = 0.002; 15.1% (27/179) vs. 4.5% (8/177), difference 10.6%, 95% CI 4.4 16.9%, p < 0.0001; 12.3% (22/179) vs. 6.2% (11/177), difference 6.1%, 95% CI 0 12.3%, p = 0.04, respectively). The number-needed-to-treat to prevent one episode of bacteraemia, pneumonia, and febrile neutropaenia was 8.6, 8.5, and 13.7, respectively. Patients with ciprofloxacin prophylaxis had higher rates of ciprofloxacin-resistant bacteraemia (62.5% (5/8) vs. 18.5% (5/27), difference 44%, 95% CI 7-70%, p = 0.01). In multivariate analysis, ciprofloxacin prophylaxis significantly decreased the odds of bacteraemia (OR 0.19, 95% CI 0.07-0.52; p < 0.0001) and pneumonia (OR 0.37, 95% CI 0.16-0.85, p = 0.02). CONCLUSION: According to our single-centre experience, patients with MM and lymphoma undergoing AHCT may benefit from antibacterial prophylaxis with ciprofloxacin. PMID- 29208562 TI - Microbiologic factors affecting Clostridium difficile recurrence. AB - BACKGROUND: Recurrent Clostridium difficile infection (rCDI) places a huge economic and practical burden on healthcare facilities. Furthermore, rCDI may affect quality of life, leaving patients in an rCDI cycle and dependant on antibiotic therapy. AIMS: To discuss the importance of microbiologic factors in the development of rCDI. SOURCES: Literature was drawn from a search of PubMed from 2000 onwards with the search term 'recurrent Clostridium difficile infection' and further references cited within these articles. CONTENT: Meta analyses and systematic reviews have shown that CDI and rCDI risk factors are similar. Development of rCDI is attendant on many factors, including immune status or function, comorbidities and concomitant treatments. Studies suggest that poor bacterial diversity is correlated with clinical rCDI. Narrow-spectrum gut microflora-sparing antimicrobials (e.g. surotomycin, cadazolid, ridinilazole) are in development for CDI treatment, while microbiota therapeutics (faecal microbiota transplantation, nontoxigenic C. difficile, stool substitutes) are increasingly being explored. rCDI can only occur when viable C. difficile spores are present, either within the gut lumen after infection or when reacquired from the environment. C. difficile spore germination can be influenced by gut environmental factors resulting from dysbiosis, and spore outgrowth may be affected stage by some antimicrobials (e.g. fidaxomicin, ramoplanin, oritavancin). IMPLICATIONS: rCDI is a significant challenge for healthcare professionals, requiring a multifaceted approach; optimized infection control to minimize reinfection; C. difficile-targeted antibiotics to minimize dysbiosis; and gut microflora restoration to promote colonization resistance. These elements should be informed by our understanding of the microbiologic factors involved in both C. difficile itself and the gut microbiome. PMID- 29208563 TI - Malignant perivascular epithelioid cell tumor of the oropharynx with strong TFE3 expression mimicking alveolar soft part sarcoma: a case report and review of the literature. AB - Perivascular epithelioid cell tumors (PEComas) in the head and neck region are rare, with 26 cases described in literature. These distinct mesenchymal tumors normally express both myoid and melanocytic markers. We here report an interesting and challenging case of malignant PEComa that showed transcription factor E3 (TFE3) protein expression and rearrangement, paucity of muscle and melanocytic marker expression, and morphologically mimicked alveolar soft part sarcoma. Awareness of this morphologic pitfall and recognition of TFE3 gene rearranged PEComa, as a distinct subtype of PEComa, is essential to avoid misdiagnosis. PMID- 29208564 TI - Nectin-4 promotes gastric cancer progression via the PI3K/AKT signaling pathway. AB - Nectin-4, a member of the Nectin family that includes 4 Ca+-independent immunoglobulin-like cell adhesion molecules, plays a carcinogenic role in multiple cancers. However, Nectin-4 expression and its biological role in gastric cancer (GC) remain largely unknown. In this study, quantitative real-time polymerase chain reaction, Western blotting, and immunohistochemistry were used to evaluate the expression patterns of Nectin-4 in GC specimens and cell lines. We observed that high expression of Nectin-4 in GC patients was associated with TNM stage and lymph node metastasis status, and poor prognosis. In addition, cell proliferation and cell migration assays in vitro and tumorigenicity in vivo were performed to observe the effects of up-regulation and down-regulation of Nectin-4 expression on GC cell phenotypes. In further studies, the PI3K/AKT signaling pathway was revealed to be involved in Nectin-4-mediated GC progression. These results demonstrated that Nectin-4 had a promoter effect on human GC cell growth and motility, indicating that Nectin-4 may serve as an effective therapeutic target in GC. PMID- 29208565 TI - Mismatch repair-deficient colorectal cancer: a model of immunogenic and immune cell-rich tumor despite nonsignificant programmed cell death ligand-1 expression in tumor cells. AB - Mismatch repair-deficient (dMMR) colorectal cancers (CRCs) are good responders to anti-programmed cell death ligand-1 (PD-L1) immunotherapy, but the value of PD-L1 testing remains unclear. We studied PD-L1 expression and the tumor immune microenvironment in dMMR CRC as a model of good responders to immunotherapy. We examined 35 dMMR and 34 mismatch repair-proficient (pMMR) CRCs using immune cell markers (CD3, CD4, CD8, CD20, CD68, and FOXP3) as well as programmed cell death receptor-1 (PD-1) and PD-L1 immunohistochemistry staining in whole tumor specimens and tissue microarray slides to compare 4 PD-L1 immunohistochemistry clones (SP142, E1L3N, 22C3, and 28.8). We observed no significant difference in PD-L1 expression between dMMR and pMMR CRCs. Only 2 dMMR tumors had membranous PD L1 staining. Expression of PD-L1 was greater in stromal immune cells of dMMR CRC, which also contained more numerous intraepithelial (CD3+, CD8+, FOXP3+, and PD 1+) and stromal (CD8+, PD-1+) lymphocytes than did pMMR tumors. Immune cell quantification discriminated better between dMMR and pMMR tumors than did PD-L1 expression. Tumor heterogeneity and variations in PD-L1 expression were noted with different antibodies, especially for PD-L1+ immune cells, which were more numerous at the invasion margin. Given the poor correlation with mismatch repair status and technical limitations, the value of PD-L1 testing to accompany the development of anti-PD-1/PD-L1 immunotherapy remains unclear. Further clinical trials are required to determine which parameters are valuable predictive biomarkers of the response to immunotherapy among mismatch repair status, PD-L1 expression, and immune cell quantification in CRC. PMID- 29208566 TI - MiR-26a and miR-26b mediate osteoarthritis progression by targeting FUT4 via NF kappaB signaling pathway. AB - Osteoarthritis (OA) is the most common joint disease, characterized by articular cartilage degradation and changes in all other joint tissues. MicroRNAs (miRNAs) play an important role in mediating the main risk factors for OA. This study aimed to investigate the effect of miR-26a/26b on the proliferation and apoptosis of human chondrocytes by targeting fucosyltransferase 4 (FUT4) through NF-kappaB signaling pathway. We revealed the differential expression profiles of FUT4 and miR-26a/26b in the articular cartilage tissues of OA patients and normal people. The ability of miR-26a/26b to specifically interact with the 3'UTR of FUT4 was demonstrated via a luciferase reporter assay in chondrocytes. Further results showed altered levels of miR-26a/26b and FUT4 could regulate the process of IL 1beta-induced extracellular matrix degradation in chondrocytes. Forced miR 26a/26b expression was able to affect chondrocytes proliferation and apoptosis, while altered expression of FUT4 in chondrocytes modulated progression upon transfection with miR-26a/26b mimic or inhibitor. In OA mice, the overexpression of miR-26a/26b by intra-articular injection significantly attenuated OA progression. In addition, regulating FUT4 expression markedly modulated the activity of NF-kappaB signaling pathway, and this effect could be reversed by miR 26a/26b. In short, miR-26a/-26b/FUT4/NF-kappaB axis may serve as a predictive biomarker and a potential therapeutic target in OA treatment. PMID- 29208567 TI - Phosphorylation of threonine residues on Shc promotes ligand binding and mediates crosstalk between MAPK and Akt pathways in breast cancer cells. AB - Scaffold proteins play important roles in regulating signalling network fidelity, the absence of which is often the basis for diseases such as cancer. In the present work, we show that the prototypical scaffold protein Shc is phosphorylated by the extracellular signal-regulated kinase, Erk. In addition, Shc threonine phosphorylation is specifically up-regulated in two selected triple negative breast cancer (TNBC) cell lines. To explore how Erk-mediated threonine phosphorylation on Shc might play a role in the dysregulation of signalling events, we investigated how Shc affects pathways downstream of EGF receptor. Using an in vitro model and biophysical analysis, we show that Shc threonine phosphorylation is responsible for elevated Akt and Erk signalling, potentially through the recruitment of the 14-3-3 zeta and Pin-1 proteins. PMID- 29208568 TI - Overexpression of ELF3 facilitates cell growth and metastasis through PI3K/Akt and ERK signaling pathways in non-small cell lung cancer. AB - ELF3 is one of the member of transcription factors from E-twenty-six family, its role varies in different types of cancer. However, the role and specific mechanisms of ELF3 in the development of non-small cell lung cancer (NSCLC) still remains largely unknown. In our study, ELF3 was observed to be upregulated in NSCLC tissues compared to the corresponding normal lung tissue at mRNA and protein levels, and its expression level was correlated with the overall survival of patients with NSCLC. Silencing of the ELF3 gene in NSCLC cells inhibited the proliferation and metastasis significantly in vitro and in vivo. Conversely, overexpression of ELF3 in NSCLC cells promoted cancer growth and metastasis in vitro. Mechanistically, ELF3 activated PI3K/AKT and ERK signaling pathways and its downstream effectors, thus regulating the cell cycle and epithelial mesenchymal transition (EMT). Furthermore, the promotive effects of ELF3 on cellular proliferation and metastasis could be rescued by Ly294002 (inhibitor of PI3K) and U0126 (inhibitor of MEK1/2). The results show that ELF3 promotes cell growth and metastasis by regulating PI3K/Akt and ERK pathways in NSCLC and that it may be a promising new target for the treatment of NSCLC patients. PMID- 29208570 TI - Modelling and interpretation of magnetization transfer imaging in the brain. AB - Magnetization transfer contrast has yielded insight into brain tissue microstructure changes across the lifespan and in a range of disorders. This progress has been aided by the development of quantitative magnetization transfer imaging techniques able to extract intrinsic properties of the tissue that are independent of the specifics of the data acquisition. While the tissue properties extracted by these techniques do not map directly onto specific cellular structures or pathological processes, a growing body of work from animal models and histopathological correlations aids the in vivo interpretation of magnetization transfer properties of tissue. This review examines the biophysical models that have been developed to describe magnetization transfer contrast in tissue as well as the experimental evidence for the biological interpretation of magnetization transfer data in health and disease. PMID- 29208569 TI - A digital 3D atlas of the marmoset brain based on multi-modal MRI. AB - The common marmoset (Callithrix jacchus) is a New-World monkey of growing interest in neuroscience. Magnetic resonance imaging (MRI) is an essential tool to unveil the anatomical and functional organization of the marmoset brain. To facilitate identification of regions of interest, it is desirable to register MR images to an atlas of the brain. However, currently available atlases of the marmoset brain are mainly based on 2D histological data, which are difficult to apply to 3D imaging techniques. Here, we constructed a 3D digital atlas based on high-resolution ex-vivo MRI images, including magnetization transfer ratio (a T1 like contrast), T2w images, and multi-shell diffusion MRI. Based on the multi modal MRI images, we manually delineated 54 cortical areas and 16 subcortical regions on one hemisphere of the brain (the core version). The 54 cortical areas were merged into 13 larger cortical regions according to their locations to yield a coarse version of the atlas, and also parcellated into 106 sub-regions using a connectivity-based parcellation method to produce a refined atlas. Finally, we compared the new atlas set with existing histology atlases and demonstrated its applications in connectome studies, and in resting state and stimulus-based fMRI. The atlas set has been integrated into the widely-distributed neuroimaging data analysis software AFNI and SUMA, providing a readily usable multi-modal template space with multi-level anatomical labels (including labels from the Paxinos atlas) that can facilitate various neuroimaging studies of marmosets. PMID- 29208571 TI - Using multi-echo simultaneous multi-slice (SMS) EPI to improve functional MRI of the subcortical nuclei of the basal ganglia at ultra-high field (7T). AB - The nuclei of the basal ganglia pose a special problem for functional MRI, especially at ultra-high field, because T2* variations between different regions result in suboptimal BOLD sensitivity when using gradient-echo echo-planar imaging (EPI). Specifically, the iron-rich lentiform nucleus of the basal ganglia, including the putamen and globus pallidus, suffers from substantial signal loss when imaging is performed using conventional single-echo EPI with echo times optimized for the cortex. Multi-echo EPI acquires several echoes at different echo times for every imaging slice, allowing images to be reconstructed with a weighting of echo times that is optimized individually for each voxel according to the underlying tissue or T2* properties. Here we show that multi echo simultaneous multi-slice (SMS) EPI can improve functional activation of iron rich subcortical regions while maintaining sensitivity within cortical areas. Functional imaging during a motor task known to elicit strong activations in the cortex and the subcortex (basal ganglia) was performed to compare the performance of multi-echo SMS EPI to single-echo SMS EPI. Notably within both the caudate nucleus and putamen of the basal ganglia, multi-echo SMS EPI yielded higher tSNR (an average 84% increase) and CNR (an average 58% increase), an approximate 3 fold increase in supra-threshold voxels, and higher t-values (an average 39% increase). The degree of improvement in the group level t-statistics was negatively correlated to the underlying T2* of the voxels, such that the shorter the T2*, as in the iron-rich nuclei of the basal ganglia, the higher the improvement of t-values in the activated region. PMID- 29208573 TI - Swimming against the tide: insights from the ORBITA trial. PMID- 29208572 TI - Experimental studies of g-ratio MRI in ex vivo mouse brain. AB - This study aimed to experimentally evaluate a previously proposed MRI method for mapping axonal g-ratio (ratio of axon diameters, measured to the inner and outer boundary of myelin). MRI and electron microscopy were used to study excised and fixed brains of control mice and three mouse models of abnormal white matter. The results showed that g-ratio measured with MRI correlated with histological measures of myelinated axon g-ratio, but with a bias that is likely due to the presence of non-myelinated axons. The results also pointed to cases where the MRI g-ratio model simplifies to be primarily a function of total myelin content. PMID- 29208574 TI - Experimental validation of TMVR technologies: a bumpy road with the risk of getting lost in translation. PMID- 29208575 TI - Grow your own valve. PMID- 29208576 TI - Editorial on "Characteristics of extension and de novo recurrent spontaneous coronary artery dissection". PMID- 29208577 TI - Lost in translational filters between peers. PMID- 29208578 TI - Endeavours to define optimal antithrombotic therapy after percutaneous coronary intervention. PMID- 29208579 TI - cFFR as an alternative to FFR: please do not contrast simplicity! PMID- 29208580 TI - Wire externalisation techniques for retrograde percutaneous coronary interventions of chronic total occlusions. PMID- 29208581 TI - How should I treat a left persistent superior vena cava with unroofed coronary sinus associated with severe stenosis and regurgitation of aortic homograft placed in the tricuspid position? PMID- 29208582 TI - Bacterial, fungal, parasitological and pathological analyses of abortions in small ruminants from 2012-2016. AB - INTRODUCTION: Abortion in small ruminants presents a clinical and economic problem with legal implications regarding animal health and zoonotic risk by some of the abortive pathogens. Several bacteria, fungi and parasites can cause abortion, but cost-orientated routine diagnostics only cover the most relevant epizootic agents. To cover a broad-range of common as well as underdiagnosed abortifacients, we studied 41 ovine and 36 caprine abortions by Stamp's modification of the Ziehl-Neelsen stain, culture for classical and opportunistic abortive agents, real-time PCR for C. burnetii, C. abortus, pathogenic Leptospira spp., Toxoplasma gondii and Neospora caninum. When the dam's serum was available detection of antibodies against B. melitensis, C. burnetii, C. abortus and Leptospira spp. was performed. In 37 cases sufficient placental tissue was available for pathological and histopathological examination. From the 77 cases 11 (14.3%) were positive by staining whereas real-time PCR detected C. burnetii and C. abortus in 49.3% and 32.5% of the cases. Antibodies against C. abortus and Leptospira spp. (33.3 and 26.7%) were detected. In 23.4% a bacterial culturable pathogen was isolated. Fungal abortion was confirmed in 1.3% of cases. A single abortive agent was identified in 44.2% of the cases and in 31.2% multiple possible abortifacients were present. Our study shows that the highest clarification rate can only be achieved by a combination of methods and evidences the role that multi-infections play as cause of abortion. PMID- 29208584 TI - Outbreak of Highly Pathogenic Avian Influenza H5N8 in November 2016 in Wild Birds in Switzerland. PMID- 29208583 TI - Challenging anaesthetic management of captive reindeer (Rangifer tarandus): Report of 4 cases. AB - INTRODUCTION: Four captive reindeer underwent anaesthesia to allow dehorning or drainage of lymph nodes abscessation. Premedication was based on xylazine (dose range: 0.075- 0.5 mg/kg, IM or IV), with or without ketamine (dose range: 1-2 mg/kg, IM or IV), all of which failed to produce effective sedation without side effects. During anaesthesia, 2 reindeer experienced severe hypoxaemia and hypoventilation. Recovery was smooth in 3 out 4 animals, but delayed in one reindeer sedated with 0.5 mg/kg of xylazine IV; this patient required repeated atipamezole administrations (0.01 mg/kg IM given 3 times) to regain normal locomotion. Anaesthesia of reindeer is challenging and useful dose ranges for safe and effective anaesthesia are mostly unknown. PMID- 29208585 TI - ? PMID- 29208586 TI - Mastitis associated with Mycobacterium smegmatis complex members in a Swiss dairy cattle herd: compost bedding material as a possible risk factor. PMID- 29208587 TI - HIV Surveillance Among Pregnant Women Attending Antenatal Clinics: Evolution and Current Direction. AB - Since the late 1980s, human immunodeficiency virus (HIV) sentinel serosurveillance among pregnant women attending select antenatal clinics (ANCs) based on unlinked anonymous testing (UAT) has provided invaluable information for tracking HIV prevalence and trends and informing global and national HIV models in most countries with generalized HIV epidemics. However, increased coverage of HIV testing, prevention of mother-to-child transmission (PMTCT), and antiretroviral therapy has heightened ethical concerns about UAT. PMTCT programs now routinely collect demographic and HIV testing information from the same pregnant women as serosurveillance and therefore present an alternative to UAT based ANC serosurveillance. This paper reports on the evolution and current direction of the global approach to HIV surveillance among pregnant women attending ANCs, including the transition away from traditional UAT-based serosurveillance and toward new guidance from the World Health Organization and the Joint United Nations Programme on HIV/AIDS on the implementation of surveillance among pregnant women attending ANCs based on routine PMTCT program data. PMID- 29208588 TI - App-Supported Promotion of Child Growth and Development by Community Health Workers in Kenya: Feasibility and Acceptability Study. AB - BACKGROUND: Early childhood is a critical phase of development. In low resource settings, monitoring this stage of development and providing appropriate and timely feedback is a challenge. Community-based service providers play a key role in promoting early childhood development in areas where government services are weak. These community-based service providers are also tasked with the collection of monitoring and evaluation data for donors and local government. Usually, collection of these data aims to provide accountability, learning, and correction leading to improvement. However, such data is rarely used beyond the accountability stage. OBJECTIVE: The purpose of this study was to test the feasibility and acceptability of the Information for Action (IFA) mobile phone app. The IFA app was designed for use by community health volunteers (CHVs), and repackages routinely collected data about children into useful, offline decision support for caregivers and program managers. METHODS: The IFA app was tested with a convenience sample of 10 CHVs in West Katweng'a, a sublocation of Rarieda subcounty in western Kenya. CHVs used the IFA app for 5 months as part of their regular home visits to households containing children aged 0 to 5 years, after which a qualitative assessment of the app was conducted. A total of 16 caregivers who received services from the CHVs were randomly selected to participate in 1 of 2 focus group discussions about their experience. RESULTS: The app was reported to help facilitate interactive dialog between CHVs and caregivers, leading to improved quality of home visits. Caregivers described the app as shifting the relationship from feeling harassed by CHVs to experiencing genuine interest from CHVs. CHVs reported feasibility challenges primarily related to infrastructure. The limited battery life of mobile phones combined with the lack of readily available electricity made it difficult to keep the phones charged. CHVs reported initial anxiety as first-time mobile phones users, including concerns about using the IFA app. With time, increased levels of confidence were seen. CONCLUSIONS: Acceptability was high with both CHVs and caregivers, who reported an improvement in their client-provider relationship. A number of feasibility challenges were experienced. PMID- 29208589 TI - Development of an Index of Engagement in HIV Care: An Adapted Internet-Based Delphi Process. AB - BACKGROUND: Improving engagement in medical care among persons living with human immunodeficiency virus (HIV) is critical to optimizing clinical outcomes and reducing onward transmission of HIV. However, a clear conceptualization of what it means to be engaged in HIV care is lacking, and thus efforts to measure and enhance engagement in care are limited. OBJECTIVE: This paper describes the use of a modified online Delphi process of consensus building to solicit input from a range of HIV and non-HIV researchers and providers, and to integrate that input with focus group data conducted with HIV-infected patients. The overarching goal was to generate items for a patient-centered measure of engagement in HIV care for use in future research and clinical practice. METHODS: We recruited 66 expert panelists from around the United States. Starting with six open-ended questions, we used four rounds of online Delphi data collection in tandem with 12 in-person focus groups with patients and cognitive interviews with 25 patients. RESULTS: We recruited 66 expert panelists from around the United States and 64 (97%) were retained for four rounds of data collection. Starting with six open-ended questions, we used four rounds of online Delphi data collection in tandem with 12 in-person focus groups with patients and cognitive interviews with 25 patients. The process resulted in an expansion to 120 topics that were subsequently reduced to 13 candidate items for the planned assessment measure. CONCLUSIONS: The process was an efficient method of soliciting input from geographically separated and busy experts across a range of disciplines and professional roles with the aim of arriving at a coherent definition of engagement in HIV care and a manageable set of survey items to assess it. Next steps are to validate the utility of the new measure in predicting retention in care, adherence to treatment, and clinical outcomes among patients living with HIV. PMID- 29208591 TI - The Second-Look Procedure for Transoral Videolaryngoscopic Surgery for T1 and T2 Laryngeal, Oropharyngeal, and Hypopharyngeal Cancer Patients: Protocol for a Nonrandomized Clinical Trial. AB - BACKGROUND: Transoral videolaryngoscopic surgery (TOVS) has been widely applied for early T stage head and neck cancer. The resection is performed with a minimum safety margin for function preservation under a limited surgical field of view, making it difficult to be certain of complete resection. OBJECTIVE: Our aim is the evaluation of the completeness of resection by initial TOVS resection, and the possibility of primary control by TOVS alone, allowing for repeat procedures for function preserving treatment in early T stage laryngeal, oropharyngeal, and hypopharyngeal cancer patients. METHODS: Patients are treated by TOVS for the primary site with or without neck dissection. Patients are divided in two groups based on the results of the pathological evaluation of the surgical specimen; the control group in which the resection is considered to be complete, and the intervention (second-look procedure) group in which incomplete tumor resection is suspected. The predictive factors for the possibility of complete resection by TOVS will then be analyzed. RESULTS: Patient enrollment started on January 1, 2014, and closed on March 31, 2016, with 54 patients. The control group consists of 27 patients, the intervention group is 21 patients, and 6 patients were excluded. There were no clinical differences between the control and intervention groups. The observation period will end on December 31, 2018. CONCLUSIONS: TOVS has potential for both definitive resection and function preservation with minimal invasiveness. Identifying the limitations of TOVS is beneficial to ensure accurate treatment selection in early T stage head and neck cancer patients. TRIAL REGISTRATION: UMIN Clinical Trials Registry: UMIN000012485; https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi? recptno=R000014472 (Archived by WebCite at http://www.webcitation.org/6v1b741Iw). PMID- 29208592 TI - Missing several GP appointments could be warning sign, say researchers. PMID- 29208590 TI - The National Patient-Centered Clinical Research Network (PCORnet) Bariatric Study Cohort: Rationale, Methods, and Baseline Characteristics. AB - BACKGROUND: Although bariatric procedures are commonly performed in clinical practice, long-term data on the comparative effectiveness and safety of different procedures on sustained weight loss, comorbidities, and adverse effects are limited, especially in important patient subgroups (eg, individuals with diabetes, older patients, adolescents, and minority patients). OBJECTIVE: The objective of this study was to create a population-based cohort of patients who underwent 3 commonly performed bariatric procedures-adjustable gastric band (AGB), Roux-en-Y gastric bypass (RYGB), and sleeve gastrectomy (SG)-to examine the long-term comparative effectiveness and safety of these procedures in both adults and adolescents. METHODS: We identified adults (20 to 79 years old) and adolescents (12 to 19 years old) who underwent a primary (first observed) AGB, RYGB, or SG procedure between January 1, 2005 and September 30, 2015 from 42 health systems participating in the Clinical Data Research Networks within the National Patient-Centered Clinical Research Network (PCORnet). We extracted information on patient demographics, encounters with healthcare providers, diagnoses recorded and procedures performed during these encounters, vital signs, and laboratory test results from patients' electronic health records (EHRs). The outcomes of interest included weight change, incidence of major surgery-related adverse events, and diabetes remission and relapse, collected for up to 10 years after the initial bariatric procedure. RESULTS: A total of 65,093 adults and 777 adolescents met the eligibility criteria of the study. The adult subcohort had a mean age of 45 years and was predominantly female (79.30%, 51,619/65,093). Among adult patients with non-missing race or ethnicity information, 72.08% (41,248/57,227) were White, 21.13% (12,094/57,227) were Black, and 20.58% (13,094/63,637) were Hispanic. The average highest body mass index (BMI) recorded in the year prior to surgery was 49 kg/m2. RYGB was the most common bariatric procedure among adults (49.48%, 32,208/65,093), followed by SG (45.62%, 29,693/65,093) and AGB (4.90%, 3192/65,093). The mean age of the adolescent subcohort was 17 years and 77.5% (602/777) were female. Among adolescent patients with known race or ethnicity information, 67.3% (473/703) were White, 22.6% (159/703) were Black, and 18.0% (124/689) were Hispanic. The average highest recorded BMI in the year preceding surgery was 53 kg/m2. The majority of the adolescent patients received SG (60.4%, 469/777), followed by RYGB (30.8%, 239/777) and AGB (8.9%, 69/777). A BMI measurement (proxy for follow-up) was available in 84.31% (44,978/53,351), 68.09% (20,783/30,521), and 68.56% (7159/10,442) of the eligible adult patients at 1, 3, and 5 years of follow-up, respectively. The corresponding proportion was 82.0% (524/639), 49.9% (174/349), and 38.8% (47/121) in the adolescent subcohort. CONCLUSIONS: Our study cohort is one of the largest cohorts of patients with bariatric procedures in the United States. Patients are geographically and demographically diverse, which improves the generalizability of the research findings and allows examination of treatment effect heterogeneity. Ongoing and planned investigations will provide real-world evidence on the long-term benefits and risks of these most commonly used bariatric procedures in current clinical practice. PMID- 29208593 TI - Adenovirus infection: beware of plasma procalcitonin levels in children. PMID- 29208595 TI - GP who falsified prescriptions to treat his depression is suspended for 12 months. PMID- 29208594 TI - Sixty seconds on . . . flu vaccine for health staff. PMID- 29208596 TI - Urinary 8-Hydroxy-2'-Deoxyguanosine as a Myocardial Oxidative Stress Marker Is Associated With Ventricular Tachycardia in Patients With Active Cardiac Sarcoidosis. AB - BACKGROUND: Recently, we reported that urinary 8-hydroxy-2'-deoxyguanosine (U-8 OHdG), an oxidative stress marker, reflected inflammatory activity in cardiac sarcoidosis (CS). Here, we investigated whether U-8-OHdG levels were associated with ventricular tachycardia (VT) in patients with CS. METHODS AND RESULTS: This prospective cohort study enrolled 62 consecutive patients with CS, of whom 36 were diagnosed as having active CS based on abnormal 18F-flurodeoxyglucose accumulation in the heart on positron-emission tomography/computed tomography. The 36 patients with active CS were subdivided as having CS with sustained VT (CS VT group; n=18) or CS without sustained VT (CS-nVT group; n=18). Twenty-seven patients diagnosed with idiopathic dilated cardiomyopathy served as heart failure controls. U-8-OHdG, brain natriuretic peptide, cardiac function indices, and immunohistological data from subendomyocardial biopsy samples were compared across groups. Immunohistochemical examination of ventricle biopsy samples revealed that the anti-8-OHdG antibody-positive area of cardiac tissue was significantly greater in CS-VT than in CS-nVT or dilated cardiomyopathy and significantly correlated with U-8-OHdG levels (n=58; R=0.61; P<0.00001), which were significantly higher in CS-VT than in CS-nVT (24.6+/-7.1 versus 15.2+/-3.8 ng/mg.Cr; P<0.0001). Other baseline characteristics did not differ between the groups. Multivariate analysis indicated that U-8-OHdG was an independent determinant factor for VT. Receiver operating characteristic curve analysis to identify patients with VT resulted in a U-8-OHdG cutoff value of 17.5 ng/mg.Cr (sensitivity, 89%; specificity, 83%; area under the curve, 0.90). CONCLUSIONS: U 8-OHdG levels are associated with VT in patients with active CS diagnosed by 18F flurodeoxyglucose positron-emission tomography, providing additive and relevant information about the arrhythmia substrate. PMID- 29208597 TI - Unraveling Inflammation and Oxidative Stress in Cardiac Sarcoidosis. PMID- 29208598 TI - Myosin IIa is critical for cAMP-mediated endothelial secretion of von Willebrand factor. AB - Nonmuscle myosin II has been implicated in regulation of von Willebrand factor (VWF) release from endothelial Weibel-Palade bodies (WPBs), but the specific role of myosin IIa isoform is poorly defined. Here, we report that myosin IIa is expressed both in primary human endothelial cells and intact mouse vessels, essential for cyclic adenosine monophosphate (cAMP)-mediated endothelial VWF secretion. Downregulation of myosin IIa by shRNAs significantly suppressed both forskolin- and epinephrine-induced VWF secretion. Endothelium-specific myosin IIa knockout mice exhibited impaired epinephrine-stimulated VWF release, prolonged bleeding time, and thrombosis. Further study showed that in resting cells, myosin IIa deficiency disrupted the peripheral localization of Rab27-positive WPBs along stress fibers; on stimulation by cAMP agonists, myosin IIa in synergy with zyxin promotes the formation of a functional actin framework, which is derived from preexisting cortical actin filaments, around WPBs, facilitating fusion and subsequent exocytosis. In summary, our findings not only identify new functions of myosin IIa in regulation of WPB positioning and the interaction between preexisting cortical actin filaments and exocytosing vesicles before fusion but also reveal myosin IIa as a physiological regulator of endothelial VWF secretion in stress-induced hemostasis and thrombosis. PMID- 29208599 TI - Prognostic miRNA classifier in early-stage mycosis fungoides: development and validation in a Danish nationwide study. AB - Mycosis fungoides (MF) is the most frequent form of cutaneous T-cell lymphoma. The disease often takes an indolent course, but in approximately one-third of the patients, the disease progresses to an aggressive malignancy with a poor prognosis. At the time of diagnosis, it is impossible to predict which patients develop severe disease and are in need of aggressive treatment. Accordingly, we investigated the prognostic potential of microRNAs (miRNAs) at the time of diagnosis in MF. Using a quantitative reverse transcription polymerase chain reaction platform, we analyzed miRNA expression in diagnostic skin biopsies from 154 Danish patients with early-stage MF. The patients were subdivided into a discovery cohort (n = 82) and an independent validation cohort (n = 72). The miRNA classifier was built using a LASSO (least absolute shrinkage and selection operator) Cox regression to predict progression-free survival (PFS). We developed a 3-miRNA classifier, based on miR-106b-5p, miR-148a-3p, and miR-338-3p, which successfully separated patients into high-risk and low-risk groups of disease progression. PFS was significantly different between these groups in both the discovery cohort and the validation cohort. The classifier was stronger than existing clinical prognostic factors and remained a strong independent prognostic tool after stratification and adjustment for these factors. Importantly, patients in the high-risk group had a significantly reduced overall survival. The 3-miRNA classifier is an effective tool to predict disease progression of early-stage MF at the time of diagnosis. The classifier adds significant prognostic value to existing clinical prognostic factors and may facilitate more individualized treatment of these patients. PMID- 29208601 TI - Traffic pollution is linked to poor pregnancy outcomes. PMID- 29208603 TI - Will STPs lead to further cuts to health and social care? PMID- 29208604 TI - JCAR015 in ALL: A Root-Cause Investigation. AB - After conducting an internal probe of the five deaths that halted JCAR015's development for acute lymphoblastic leukemia, Juno Therapeutics has concluded that multiple factors were at play. A surge in inflammatory cytokine levels from rapid, early T-cell proliferation may have provoked the blood-brain barrier disruption seen in these patients, inducing fatal cerebral edema. PMID- 29208605 TI - Progress on malaria stalls amid decline in funding. PMID- 29208602 TI - Impact of London's road traffic air and noise pollution on birth weight: retrospective population based cohort study. AB - Objective To investigate the relation between exposure to both air and noise pollution from road traffic and birth weight outcomes.Design Retrospective population based cohort study.Setting Greater London and surrounding counties up to the M25 motorway (2317 km2), UK, from 2006 to 2010.Participants 540 365 singleton term live births.Main outcome measures Term low birth weight (LBW), small for gestational age (SGA) at term, and term birth weight.Results Average air pollutant exposures across pregnancy were 41 MUg/m3 nitrogen dioxide (NO2), 73 MUg/m3 nitrogen oxides (NOx), 14 MUg/m3 particulate matter with aerodynamic diameter <2.5 MUm (PM2.5), 23 MUg/m3 particulate matter with aerodynamic diameter <10 MUm (PM10), and 32 MUg/m3 ozone (O3). Average daytime (LAeq,16hr) and night time (Lnight) road traffic A-weighted noise levels were 58 dB and 53 dB respectively. Interquartile range increases in NO2, NOx, PM2.5, PM10, and source specific PM2.5 from traffic exhaust (PM2.5 traffic exhaust) and traffic non exhaust (brake or tyre wear and resuspension) (PM2.5 traffic non-exhaust) were associated with 2% to 6% increased odds of term LBW, and 1% to 3% increased odds of term SGA. Air pollutant associations were robust to adjustment for road traffic noise. Trends of decreasing birth weight across increasing road traffic noise categories were observed, but were strongly attenuated when adjusted for primary traffic related air pollutants. Only PM2.5 traffic exhaust and PM2.5 were consistently associated with increased risk of term LBW after adjustment for each of the other air pollutants. It was estimated that 3% of term LBW cases in London are directly attributable to residential exposure to PM2.5>13.8 MUg/m3during pregnancy.Conclusions The findings suggest that air pollution from road traffic in London is adversely affecting fetal growth. The results suggest little evidence for an independent exposure-response effect of traffic related noise on birth weight outcomes. PMID- 29208606 TI - Emerging Role of CRISPR/Cas9 Technology for MicroRNAs Editing in Cancer Research. AB - MicroRNAs (miRNA) are small, noncoding RNA molecules with a master role in the regulation of important tasks in different critical processes of cancer pathogenesis. Because there are different miRNAs implicated in all the stages of cancer, for example, functioning as oncogenes, this makes these small molecules suitable targets for cancer diagnosis and therapy. RNA-mediated interference has been one major approach for sequence-specific regulation of gene expression in eukaryotic organisms. Recently, the CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 system, first identified in bacteria and archaea as an adaptive immune response to invading genetic material, has been explored as a sequence-specific molecular tool for editing genomic sequences for basic research in life sciences and for therapeutic purposes. There is growing evidence that small noncoding RNAs, including miRNAs, can be targeted by the CRISPR/Cas9 system despite their lacking an open reading frame to evaluate functional loss. Thus, CRISPR/Cas9 technology represents a novel gene-editing strategy with compelling robustness, specificity, and stability for the modification of miRNA expression. Here, I summarize key features of current knowledge of genomic editing by CRISPR/Cas9 technology as a feasible strategy for globally interrogating miRNA gene function and miRNA-based therapeutic intervention. Alternative emerging strategies for nonviral delivery of CRISPR/Cas9 core components into human cells in a clinical context are also analyzed critically. Cancer Res; 77(24); 6812-7. (c)2017 AACR. PMID- 29208607 TI - Four week target for children to access mental health services proposed. PMID- 29208608 TI - Corticosteroids for sore throat: a clinical practice guideline. PMID- 29208609 TI - NHS England and government are on collision course over funding. PMID- 29208610 TI - Welsh opt-out law fails to increase organ donations. PMID- 29208611 TI - Perturbations of NAD+ salvage systems impact mitochondrial function and energy homeostasis in mouse myoblasts and intact skeletal muscle. AB - Nicotinamide adenine dinucleotide (NAD+) can be synthesized by nicotinamide phosphoribosyltransferase (NAMPT). We aimed to determine the role of NAMPT in maintaining NAD+ levels, mitochondrial function, and metabolic homeostasis in skeletal muscle cells. We generated stable Nampt knockdown (sh Nampt KD) C2C12 cells using a shRNA lentiviral approach. Moreover, we applied gene electrotransfer to express Cre recombinase in tibialis anterior muscle of floxed Nampt mice. In sh Nampt KD C2C12 myoblasts, Nampt and NAD+ levels were reduced by 70% and 50%, respectively, and maximal respiratory capacity was reduced by 25%. Moreover, anaerobic glycolytic flux increased by 55%, and 2-deoxyglucose uptake increased by 25% in sh Nampt KD cells. Treatment with the NAD+ precursor nicotinamide riboside restored NAD+ levels in sh Nampt cells and increased maximal respiratory capacity by 18% and 32% in control and sh Nampt KD cells, respectively. Expression of Cre recombinase in muscle of floxed Nampt mice reduced NAMPT and NAD+ levels by 38% and 43%, respectively. Glucose uptake increased by 40%, and mitochondrial complex IV respiration was compromised by 20%. Hypoxia-inducible factor (HIF)-1alpha-regulated genes and histone H3 lysine 9 (H3K9) acetylation, a known sirtuin 6 (SIRT6) target, were increased in shNampt KD cells. Thus, we propose that the shift toward glycolytic metabolism observed, at least in part, is mediated by the SIRT6/HIF1alpha axis. Our findings suggest that NAMPT plays a key role for maintaining NAD+ levels in skeletal muscle and that NAMPT deficiency compromises oxidative phosphorylation capacity and alters energy homeostasis in this tissue. PMID- 29208612 TI - Increased body fat mass explains the positive association between circulating estradiol and insulin resistance in postmenopausal women. AB - The relationship between circulating estrogen levels and cardiometabolic risk factors such as insulin resistance is unclear in postmenopausal women. High estradiol (E2) levels have been reported to predict increased risk of type 2 diabetes in this population. We aimed to examine associations among estrogen levels, adiposity measurements, and cardiometabolic risk variables including insulin resistance in postmenopausal women. One hundred-one healthy participants (mean +/- SD: age 57 +/- 4 yr, BMI 27.9 +/- 4.8 kg/m2) were included in the analysis. Fifteen plasma steroids or metabolites were measured by liquid chromatography-tandem mass spectrometry. Insulin sensitivity was assessed with a hyperinsulinemic-euglycemic clamp. Body composition and fat distribution were determined with hydrostatic weighing and computed tomography, respectively. Blood lipids and circulating cytokines were also measured. Circulating E2 was positively correlated with all adiposity indexes ( r = 0.62 to 0.42, P < 0.0001) except waist-to-hip ratio. E2 was positively correlated with VLDL-cholesterol, plasma-, VLDL-, and HDL-triglyceride levels ( r = 0.31 to 0.24, P < 0.02) as well as with hs-CRP and IL-6 ( r = 0.52 and 0.29, P < 0.005) and negatively with HDL cholesterol, adiponectin, and insulin sensitivity ( r = -0.36 to -0.20, P < 0.02). With adjustments for percent body fat, correlations between E2 and metabolic risk variables were no longer significant. Similar results were observed for circulating estrone (E1) and estrone-sulfate (E1-S) levels. In conclusion, circulating estrogen concentrations are proportional to adipose mass in postmenopausal women, although they remain in the low range. Insulin resistance as well as altered blood lipids and cytokines are observed when circulating estrogen levels are high within that range, but these differences are explained by concomitant variation in total adiposity. PMID- 29208613 TI - Do skeletal muscle-secreted factors influence the function of pancreatic beta cells? AB - Skeletal muscle is an endocrine organ that secretes a variety of compounds including proteins (myokines), metabolites, microRNAs (miRNAs), and exosomes, many of which are regulated by exercise and play important roles in endocrine signaling. Interorgan communication via muscle-secreted factors therefore provides a novel area for investigation and implicates the importance of skeletal muscle in the pathophysiology of metabolic diseases such as type 2 diabetes (T2D). Given that underlying molecular mechanisms of T2D are subject of ongoing research, in light of new evidence it is probable that interorgan cross-talk between skeletal muscle and pancreatic beta-cells plays an important part. To date, the number of studies published in this field provide the basis of this review. Specifically, we discuss current experimental evidence in support for a role of skeletal muscle to beta-cell cross-talk, paying particular attention to muscle-secreted factors including myokines, metabolites, miRNAs, and factors contained within exosomes that influence the function and/or the survival of beta cells in health and disease. In reviewing this evidence, we provide an update on the list of known muscle-secreted factors that have potential to influence the function and/or survival of beta-cells under normal and diabetic conditions. We also report limitations of current cross-talk methods and discuss future directions in this growing field. PMID- 29208614 TI - Association between hospitalisation for ambulatory care-sensitive conditions and primary health care physician specialisation: a cross-sectional ecological study in Curitiba (Brazil). AB - INTRODUCTION: Hospitalisation for ambulatory care-sensitive conditions (HACSCs) is frequently used as an indicator of the quality and effectiveness of primary healthcare (PHC) services around the world. The aim of the present study was to evaluate whether the PHC model (family health strategy (FHS) x conventional) and the availability of specialised PHC physicians is associated or not with total hospitalisation or HACSCs in the National Health System (SUS) of the municipality of Curitiba, Parana state (PR), Brazil. METHODOLOGY: This is a cross-sectional ecological study using multiple linear regression with socioeconomic and professional data from municipal health units (MHUs) between 1 April 2014 and 31 March 2015. RESULTS: After adjustment for age and sex and control of socioeconomic variables, the FHS model was associated with six fewer HACSCs a year per 10 000 inhabitants in relation to the conventional model and the availability of one family physician at each FHS model MHU per 10 000 inhabitants was associated with 1.1 fewer HACSCs for heart failure a year per 10 000 inhabitants. Basic specialists (clinicians, paediatricians and obstetrician/gynaecologists) and subspecialists showed no significant association with HACSC rates. CONCLUSION: These results obtained in a major Brazilian city reinforce the role of FHS as a priority PHC model in the country and indicate the potentially significant impact of specialising in family medicine on improving the health conditions of the population. PMID- 29208615 TI - Association between exercise and the risk of dementia: results from a nationwide longitudinal study in China. AB - OBJECTIVE: This study was conducted to examine the causal association between exercise and the risk of dementia among older Chinese adults. DESIGN: Longitudinal population-based study with a follow-up duration of 9 years. SETTING: Data for the Chinese Longitudinal Healthy Longevity Survey waves occurring from 2002 to 2011-2012 were extracted from the survey database. PARTICIPANTS: In total, 7501 dementia-free subjects who were older than 65 years were included at baseline. Dementia was defined as a self-reported or proxy reported physician's diagnosis of the disease. OUTCOME MEASURES AND METHODS: Regular exercise and potential confounding variables were obtained via a self report questionnaire. We generated longitudinal logistic regression models based on time-lagged generalised estimating equation to examine the causal association between exercise and dementia risk. RESULTS: Of the 7501 older Chinese people included in this study, 338 developed dementia during the 9-year follow-up period after excluding those who were lost to follow-up or deceased. People who regularly exercised had lower odds of developing dementia (OR=0.53, 95% CI 0.33 to 0.85) than those who did not exercise regularly. CONCLUSION: Regular exercise was associated with decreased risk of dementia. Policy-makers should develop effective public health programmes and build exercise-friendly environments for the general public. PMID- 29208616 TI - Measuring clinical trial transparency: an empirical analysis of newly approved drugs and large pharmaceutical companies. AB - OBJECTIVES: To define a series of clinical trial transparency measures and apply them to large pharmaceutical and biotechnology companies and their 2014 FDA approved drugs. DESIGN: Cross-sectional descriptive analysis of all clinical trials supporting 2014 Food and Drugs Administration (FDA)-approved new drug applications (NDAs) for novel drugs sponsored by large companies. DATA SOURCES: Data from over 45 sources, including Drugs@FDA.gov, ClinicalTrials.gov, corporate and international registries; PubMed, Google Scholar, EMBASE, corporate press releases, Securities and Exchange Commission (SEC) filings and personal communications with drug manufacturers. OUTCOME MEASURES: Trial registration, results reporting, clinical study report (CSR) synopsis sharing, biomedical journal publication, and FDA Amendments Acts (FDAAA) compliance, analysed on the drug level. RESULTS: The FDA approved 19 novel new drugs, sponsored by 11 large companies, involving 553 trials, in 2014. We analysed 505 relevant trials. Per drug, a median of 100% (IQR 86%-100%) of trials in patients were registered, 71% (IQR 57%-100%) reported results or shared a CSR synopsis, 80% (70%-100%) were published and 96% (80%-100%) were publicly available in some form by 13 months after FDA approval. Disclosure rates were lower at FDA approval (65%) and improved significantly by 6 months post FDA approval. Per drug, a median of 100% (IQR 75%-100%) of FDAAA-applicable trials were compliant. Half of reviewed drugs had publicly disclosed results for all trials in patients in our sample. One trial was uniquely registered in a corporate registry, and not ClinicalTrials.gov; 0 trials were uniquely registered in international registries. CONCLUSIONS: Among large pharmaceutical companies and new drugs, clinical trial transparency is high based on several standards, although opportunities for improvement remain. Transparency is markedly higher for trials in patients than among all trials supporting drug approval, including trials in healthy volunteers. Ongoing efforts to publicly track companies' transparency records and recognise exemplary companies may encourage further progress. PMID- 29208618 TI - Feasibility study of a randomised controlled trial to investigate the treatment of sarcoidosis-associated fatigue with methylphenidate (FaST-MP): a study protocol. AB - INTRODUCTION: Fatigue is a frequent and troublesome manifestation of chronic sarcoidosis. This symptom can be debilitating and difficult to treat, with poor response to the treatment. Symptomatic management with neurostimulants, such as methylphenidate, is a possible treatment option. The use of such treatment strategies is not without precedent and has been trialled in cancer-related fatigue. Their use in sarcoidosis requires further evaluation before it can be recommended for clinical practice. METHODS AND ANALYSIS: The Fatigue and Sarcoidosis-Treatment with Methylphenidate study is a randomised, controlled, parallel-arm and feasibility trial of methylphenidate for the treatment of sarcoidosis-associated fatigue. Patients are eligible if they have a diagnosis of sarcoidosis, significant fatigue (measured using the Fatigue Assessment Scale) and have stable disease. Up to 30 participants will be randomly assigned to either methylphenidate (20 mg two times per day) or identical placebo in a 3:2 ratio for 24 weeks. The primary objective is to collect data determining the feasibility of a future study powered to determine the clinical efficacy of methylphenidate for sarcoidosis-associated fatigue. The trial is presently open and will continue until July 2018. ETHICS AND DISSEMINATION: Ethical approval for the study was granted by the Cambridge Central Research Ethics Committee on 21 June 2016 (reference 16/EE/0087) and was approved and sponsored by the Norfolk and Norwich University Hospital (reference 190280). Clinical Trial Authorisation (EudraCT number 2016-000342-60) from the Medicines and Healthcare products Regulatory Agency (MHRA) was granted on 19 April 2016. Results will be presented at relevant conferences and submitted to appropriate journals following trial closure and analysis. TRIAL REGISTRATION NUMBER: NCT02643732; Pre-results. PMID- 29208617 TI - Stigma towards mental illness among medical and nursing students in Singapore: a cross-sectional study. AB - OBJECTIVES: To assess stigma towards people with mental illness among Singapore medical and nursing students using the Opening Minds Stigma Scale for Health Care Providers (OMS-HC), and to examine the relationship of students' stigmatising attitudes with sociodemographic and education factors. DESIGN AND SETTING: Cross sectional study conducted in Singapore PARTICIPANTS: The study was conducted among 1002 healthcare (502 medical and 500 nursing) students during April to September 2016. Students had to be Singapore citizens or permanent residents and enrolled in public educational institutions to be included in the study. The mean (SD) age of the participants was 21.3 (3.3) years, with the majority being females (71.1%). 75.2% of the participants were Chinese, 14.1% were Malays, and 10.7% were either Indians or of other ethnicity. METHODS: Factor analysis was conducted to validate the OMS-HC scale in the study sample and to examine its factor structure. Descriptive statistics and multivariate linear regression were used to examine sociodemographic and education correlates. RESULTS: Factor analysis revealed a three-factor structure with 14 items. The factors were labelled as attitudes towards help-seeking and people with mental illness, social distance and disclosure. Multivariable linear regression analysis showed that medical students were found to be associated with lower total OMS-HC scores (P<0.05), less negative attitudes (P<0.001) and greater disclosure (P<0.05) than nursing students. Students who had a monthly household income of below S$4000 had more unfavourable attitudes than those with an income of SGD$10 000 and above (P<0.05). Having attended clinical placement was associated with more negative attitudes (P<0.05) among the students. CONCLUSION: Healthcare students generally possessed positive attitudes towards help-seeking and persons with mental illness, though they preferred not to disclose their own mental health condition. Academic curriculum may need to enhance the component of mental health training, particularly on reducing stigma in certain groups of students. PMID- 29208619 TI - Encouraging translation and assessing impact of the Centre for Research Excellence in Integrated Quality Improvement: rationale and protocol for a research impact assessment. AB - INTRODUCTION: There is growing recognition among health researchers and funders that the wider benefits of research such as economic, social and health impacts ought to be assessed and valued alongside academic outputs such as peer-reviewed papers. Research translation needs to increase and the pathways to impact ought to be more transparent. These processes are particularly pertinent to the Indigenous health sector given continued concerns that Indigenous communities are over-researched with little corresponding improvement in health outcomes. This paper describes the research protocol of a mixed methods study to apply FAIT (Framework to Assess the Impact from Translational health research) to the Centre for Research Excellence in Integrated Quality Improvement (CRE-IQI). FAIT will be applied to five selected CRE-IQI Flagship projects to encourage research translation and assess the wider impact of that research. METHODS AND ANALYSIS: Phase I will develop a modified programme logic model for each Flagship project including identifying process, output and impact metrics so progress can be monitored. A scoping review will inform potential benefits. In phase II, programme logic models will be updated to account for changes in the research pathways over time. Audit and feedback will be used to encourage research translation and collect evidence of achievement of any process, output and interim impacts. In phase III, three proven methodologies for measuring research impact-Payback, economic assessment and narratives-will be applied. Data on the application of FAIT will be collected and analysed to inform and improve FAIT's performance. ETHICS AND DISSEMINATION: This study is funded by a nationally competitive grant (ID 1078927) from the Australian National Health and Medical Research Council. Ethics approval was obtained from the University of Newcastle's Human Research Ethics Committee (ID: H-2017-0026). The results from the study will be presented in several peer-reviewed publications, through conference presentations and via social media. PMID- 29208620 TI - Impact of electronic clinical decision support on adherence to guideline recommended treatment for hyperlipidaemia, atrial fibrillation and heart failure: protocol for a cluster randomised trial. AB - INTRODUCTION: Clinical practice guidelines facilitate optimal clinical practice. Point of care access, interpretation and application of such guidelines, however, is inconsistent. Informatics-based tools may help clinicians apply guidelines more consistently. We have developed a novel clinical decision support tool that presents guideline-relevant information and actionable items to clinicians at the point of care. We aim to test whether this tool improves the management of hyperlipidaemia, atrial fibrillation and heart failure by primary care clinicians. METHODS/ANALYSIS: Clinician care teams were cluster randomised to receive access to the clinical decision support tool or passive access to institutional guidelines on 16 May 2016. The trial began on 1 June 2016 when access to the tool was granted to the intervention clinicians. The trial will be run for 6 months to ensure a sufficient number of patient encounters to achieve 80% power to detect a twofold increase in the primary outcome at the 0.05 level of significance. The primary outcome measure will be the percentage of guideline based recommendations acted on by clinicians for hyperlipidaemia, atrial fibrillation and heart failure. We hypothesise care teams with access to the clinical decision support tool will act on recommendations at a higher rate than care teams in the standard of care arm. ETHICS AND DISSEMINATION: The Mayo Clinic Institutional Review Board approved all study procedures. Informed consent was obtained from clinicians. A waiver of informed consent and of Health Insurance Portability and Accountability Act (HIPAA) authorisation for patients managed by clinicians in the study was granted. In addition to publication, results will be disseminated via meetings and newsletters. TRIAL REGISTRATION NUMBER: NCT02742545. PMID- 29208622 TI - US tax bill could destroy central pillar of Obamacare. PMID- 29208621 TI - Retrospective, multicohort analysis of the Clinical Practice Research Datalink (CPRD) to determine differences in the cost of medication wastage, dispensing fees and prescriber time of issuing either short (<60 days) or long (>=60 days) prescription lengths in primary care for common, chronic conditions in the UK. AB - OBJECTIVES: To investigate patterns of early repeat prescriptions and treatment switching over an 11-year period to estimate differences in the cost of medication wastage, dispensing fees and prescriber time for short (<60 days) and long (>=60 days) prescription lengths from the perspective of the National Health Service in the UK. SETTING: Retrospective, multiple cohort study of primary care prescriptions from the Clinical Practice Research Datalink. PARTICIPANTS: Five random samples of 50 000 patients each prescribed oral drugs for (1) glucose control in type 2 diabetes mellitus (T2DM); (2) hypertension in T2DM; (3) statins (lipid management) in T2DM; (4) secondary prevention of myocardial infarction; and (5) depression. PRIMARY AND SECONDARY OUTCOME MEASURES: The volume of medication wastage from early repeat prescriptions and three other types of treatment switches was quantified and costed. Dispensing fees and prescriber time were also determined. Total unnecessary costs (TUC; cost of medication wastage, dispensing fees and prescriber time) associated with <60 day and >=60 day prescriptions, standardised to a 120-day period, were then compared. RESULTS: Longer prescription lengths were associated with more medication waste per prescription. However, when including dispensing fees and prescriber time, longer prescription lengths resulted in lower TUC. This finding was consistent across all five cohorts. Savings ranged from L8.38 to L12.06 per prescription per 120 days if a single long prescription was issued instead of multiple short prescriptions. Prescriber time costs accounted for the largest component of TUC. CONCLUSIONS: Shorter prescription lengths could potentially reduce medication wastage, but they may also increase dispensing fees and/or the time burden of issuing prescriptions. PMID- 29208623 TI - Acknowledgment of Ad Hoc Reviewers. PMID- 29208625 TI - Lowering Expectations with Niacin Treatment for CKD-MBD. PMID- 29208626 TI - The Effect of Extended Release Niacin on Markers of Mineral Metabolism in CKD. AB - BACKGROUND AND OBJECTIVES: Niacin downregulates intestinal sodium-dependent phosphate transporter 2b expression and reduces intestinal phosphate transport. Short-term studies have suggested that niacin lowers serum phosphate concentrations in patients with CKD and ESRD. However, the long-term effects of niacin on serum phosphate and other mineral markers are unknown. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The Atherothrombosis Intervention in Metabolic Syndrome with Low HDL/High Triglycerides: Impact on Global Health Trial was a randomized, double-blind, placebo-controlled trial testing extended release niacin in persons with prevalent cardiovascular disease. We examined the effect of randomized treatment with niacin (1500 or 2000 mg) or placebo on temporal changes in markers of mineral metabolism in 352 participants with eGFR<60 ml/min per 1.73 m2 over 3 years. Changes in each marker were compared over time between the niacin and placebo arms using linear mixed effects models. RESULTS: Randomization to niacin led to 0.08 mg/dl lower plasma phosphate concentrations per year of treatment compared with placebo (P<0.01) and 0.25 mg/dl lower mean phosphate 3 years after baseline (3.32 versus 3.57 mg/dl; P=0.03). In contrast, randomization to niacin was not associated with statistically significant changes in plasma intact fibroblast growth factor 23, parathyroid hormone, calcium, or vitamin D metabolites over 3 years. CONCLUSIONS: The use of niacin over 3 years lowered serum phosphorous concentrations but did not affect other markers of mineral metabolism in participants with CKD. PMID- 29208627 TI - Generation and characterisation of two D2A1 mammary cancer sublines to model spontaneous and experimental metastasis in a syngeneic BALB/c host. AB - Studying the complex mechanisms underlying breast cancer metastasis and therapy response necessitates relevant in vivo models, particularly syngeneic models with an intact immune system. Two syngeneic spontaneously metastatic sublines, D2A1-m1 and D2A1-m2, were generated from the poorly metastasising BALB/c-derived D2A1 cell line by serial in vivo passaging. In vivo and in vitro analyses revealed distinct and shared characteristics of the metastatic D2A1-m1 and D2A1-m2 sublines. In particular, D2A1-m1 cells are more aggressive in experimental metastasis assays, while D2A1-m2 cells are more efficient at disseminating from the primary tumour in spontaneous metastasis assays. Surprisingly, classical metastasis-associated in vitro phenotypes, such as enhanced proliferation, migration and invasion, are reduced in the sublines compared to the parental cell line. Further, evasion of immune control cannot fully explain their enhanced metastatic properties. By contrast, both sublines show increased resistance to apoptosis when cultured in non-adherent conditions and, for the D2A1-m2 subline, increased 3D tumour spheroid growth. Moreover, the enhanced spontaneous metastatic phenotype of the D2A1-m2 subline is associated with an increased ability to recruit an activated tumour stroma. The metastatic D2A1-m1 and D2A1-m2 cell lines provide additional syngeneic models for investigating the different steps of the metastatic cascade and thereby represent valuable tools for breast cancer researchers. Finally, this study highlights that morphology and cell behaviour in 2D cell-based assays cannot be used as a reliable predictor of metastatic behaviour in vivo. PMID- 29208628 TI - Impact of regulatory variation across human iPSCs and differentiated cells. AB - Induced pluripotent stem cells (iPSCs) are an essential tool for studying cellular differentiation and cell types that are otherwise difficult to access. We investigated the use of iPSCs and iPSC-derived cells to study the impact of genetic variation on gene regulation across different cell types and as models for studies of complex disease. To do so, we established a panel of iPSCs from 58 well-studied Yoruba lymphoblastoid cell lines (LCLs); 14 of these lines were further differentiated into cardiomyocytes. We characterized regulatory variation across individuals and cell types by measuring gene expression levels, chromatin accessibility, and DNA methylation. Our analysis focused on a comparison of inter individual regulatory variation across cell types. While most cell-type-specific regulatory quantitative trait loci (QTLs) lie in chromatin that is open only in the affected cell types, we found that 20% of cell-type-specific regulatory QTLs are in shared open chromatin. This observation motivated us to develop a deep neural network to predict open chromatin regions from DNA sequence alone. Using this approach, we were able to use the sequences of segregating haplotypes to predict the effects of common SNPs on cell-type-specific chromatin accessibility. PMID- 29208629 TI - SIDR: simultaneous isolation and parallel sequencing of genomic DNA and total RNA from single cells. AB - Simultaneous sequencing of the genome and transcriptome at the single-cell level is a powerful tool for characterizing genomic and transcriptomic variation and revealing correlative relationships. However, it remains technically challenging to analyze both the genome and transcriptome in the same cell. Here, we report a novel method for simultaneous isolation of genomic DNA and total RNA (SIDR) from single cells, achieving high recovery rates with minimal cross-contamination, as is crucial for accurate description and integration of the single-cell genome and transcriptome. For reliable and efficient separation of genomic DNA and total RNA from single cells, the method uses hypotonic lysis to preserve nuclear lamina integrity and subsequently captures the cell lysate using antibody-conjugated magnetic microbeads. Evaluating the performance of this method using real-time PCR demonstrated that it efficiently recovered genomic DNA and total RNA. Thorough data quality assessments showed that DNA and RNA simultaneously fractionated by the SIDR method were suitable for genome and transcriptome sequencing analysis at the single-cell level. The integration of single-cell genome and transcriptome sequencing by SIDR (SIDR-seq) showed that genetic alterations, such as copy-number and single-nucleotide variations, were more accurately captured by single-cell SIDR-seq compared with conventional single cell RNA-seq, although copy-number variations positively correlated with the corresponding gene expression levels. These results suggest that SIDR-seq is potentially a powerful tool to reveal genetic heterogeneity and phenotypic information inferred from gene expression patterns at the single-cell level. PMID- 29208630 TI - Regulated Alternative Splicing of Drosophila Dscam2 Is Necessary for Attaining the Appropriate Number of Photoreceptor Synapses. AB - How the brain makes trillions of synaptic connections using a genome of only 20,000 genes is a major question in modern neuroscience. Alternative splicing is one mechanism that can increase the number of proteins produced by each gene, but its role in regulating synapse formation is poorly understood. In Drosophila, photoreceptors form a synapse with multiple postsynaptic elements including lamina neurons L1 and L2. L1 and L2 express distinct isoforms of the homophilic repulsive protein Dscam2, and since these isoforms cannot bind to each other, cell-specific expression has been proposed to be necessary for preventing repulsive interactions that could disrupt the synapse. Here, we show that the number of synapses are reduced in flies that express only one isoform, and L1 and L2 dendritic morphology is perturbed. We propose that these defects result from inappropriate interactions between L1 and L2 dendrites. We conclude that regulated Dscam2 alternative splicing is necessary for the proper assembly of photoreceptor synapses. PMID- 29208632 TI - Right ventricular exercise contractile reserve and outcomes after early surgery for primary mitral regurgitation. AB - OBJECTIVE: To assess if the lack of development of right ventricular (RV) contractile reserve during exercise echocardiography (ex-echo) might be a predictor of postoperative major adverse cardiovascular events (MACEs) in patients with primary mitral regurgitation (pMR) undergoing early surgery. METHODS: Comprehensive resting and ex-echo were performed in 142 asymptomatic patients (58+/-21 years, 68% men, New York Heart Association functional class <=2) with isolated severe pMR and preserved left ventricular (LV) function (LV ejection >60%, LV end-systolic diameter <45 mm) undergoing mitral valve replacement (n=20) or repair. Postoperative MACEs were defined as occurrence of atrial fibrillation, stroke, cardiac-related hospitalisation or death. RV function was evaluated at rest in every patient during ex-echo by measuring their tricuspid annular plane systolic excursion (TAPSE) value. RESULTS: After median follow-up of 30 months (IQR 16-60 months), MACEs occurred in 48 (34%) patients. Using Bayesian model averaging, among all the characteristics including the type of surgery, exercise TAPSE (ex-TAPSE) emerged as the most likely predictor of prognosis (HR 0.91, 95% CI 0.86 to 0.96). Other probable predictors were exercise fractional area change (HR 0.02, 95% CI 0.00 to 0.80), male gender (HR 0.40, 95% CI 0.21 to 0.75) and RV basal diameter (HR 1.06, 95% CI 0.98 to 1.14). In the receiver operating characteristic curve analysis, an ex-TAPSE value of <26 mm (sensitivity 73% (95% CI 61 to 84) and specificity of 86% (95% CI 77% to 93%)) defined RV dysfunction. Event-free survival at 5 years was significantly lower in the patient group that exhibited no development of RV contractile reserve during exercise: 43.9% (95% CI 31.3 to 61.4) vs 75.8% (95% CI 64.8 to 88.7). CONCLUSION: Lack of development of exercise-induced RV contractile reserve is a prognostic predictor in patients with severe pMR undergoing early mitral valve surgery. PMID- 29208631 TI - The Drosophila junctophilin gene is functionally equivalent to its four mammalian counterparts and is a modifier of a Huntingtin poly-Q expansion and the Notch pathway. AB - Members of the Junctophilin (JPH) protein family have emerged as key actors in all excitable cells, with crucial implications for human pathophysiology. In mammals, this family consists of four members (JPH1-JPH4) that are differentially expressed throughout excitable cells. The analysis of knockout mice lacking JPH subtypes has demonstrated their essential contribution to physiological functions in skeletal and cardiac muscles and in neurons. Moreover, mutations in the human JPH2 gene are associated with hypertrophic and dilated cardiomyopathies; mutations in JPH3 are responsible for the neurodegenerative Huntington's disease like-2 (HDL2), whereas JPH1 acts as a genetic modifier in Charcot-Marie-Tooth 2K peripheral neuropathy. Drosophila melanogaster has a single junctophilin (jp) gene, as is the case in all invertebrates, which might retain equivalent functions of the four homologous JPH genes present in mammalian genomes. Therefore, owing to the lack of putatively redundant genes, a jpDrosophila model could provide an excellent platform to model the Junctophilin-related diseases, to discover the ancestral functions of the JPH proteins and to reveal new pathways. By up- and downregulation of Jp in a tissue-specific manner in Drosophila, we show that altering its levels of expression produces a phenotypic spectrum characterized by muscular deficits, dilated cardiomyopathy and neuronal alterations. Importantly, our study has demonstrated that Jp modifies the neuronal degeneration in a Drosophila model of Huntington's disease, and it has allowed us to uncover an unsuspected functional relationship with the Notch pathway. Therefore, this Drosophila model has revealed new aspects of Junctophilin function that can be relevant for the disease mechanisms of their human counterparts. PMID- 29208633 TI - In Vivo Visualization of beta-Cells by Targeting of GPR44. AB - GPR44 expression has recently been described as highly beta-cell selective in the human pancreas and constitutes a tentative surrogate imaging biomarker in diabetes. A radiolabeled small-molecule GPR44 antagonist, [11C]AZ12204657, was evaluated for visualization of beta-cells in pigs and nonhuman primates by positron emission tomography as well as in immunodeficient mice transplanted with human islets under the kidney capsule. In vitro autoradiography of human and animal pancreatic sections from subjects without and with diabetes, in combination with insulin staining, was performed to assess beta-cell selectivity of the radiotracer. Proof of principle of in vivo targeting of human islets by [11C]AZ12204657 was shown in the immunodeficient mouse transplantation model. Furthermore, [11C]AZ12204657 bound by a GPR44-mediated mechanism in pancreatic sections from humans and pigs without diabetes, but not those with diabetes. In vivo [11C]AZ12204657 bound specifically to GPR44 in pancreas and spleen and could be competed away dose-dependently in nondiabetic pigs and nonhuman primates. [11C]AZ12204657 is a first-in-class surrogate imaging biomarker for pancreatic beta-cells by targeting the protein GPR44. PMID- 29208634 TI - The Synthetic Microneurotrophin BNN27 Affects Retinal Function in Rats With Streptozotocin-Induced Diabetes. AB - BNN27, a C17-spiroepoxy derivative of DHEA, was shown to have antiapoptotic properties via mechanisms involving the nerve growth factor receptors (tropomyosin-related kinase A [TrkA]/neurotrophin receptor p75 [p75NTR]). In this study, we examined the effects of BNN27 on neural/glial cell function, apoptosis, and inflammation in the experimental rat streptozotocin (STZ) model of diabetic retinopathy (DR). The ability of BNN27 to activate the TrkA receptor and regulate p75NTR expression was investigated. BNN27 (2,10, and 50 mg/kg i.p. for 7 days) administration 4 weeks post-STZ injection (paradigm A) reversed the diabetes induced glial activation and loss of function of amacrine cells (brain nitric oxide synthetase/tyrosine hydroxylase expression) and ganglion cell axons via a TrkA receptor (TrkAR)-dependent mechanism. BNN27 activated/phosphorylated the TrkAY490 residue in the absence but not the presence of TrkAR inhibitor and abolished the diabetes-induced increase in p75NTR expression. However, it had no effect on retinal cell death (TUNEL+ cells). A similar result was observed when BNN27 (10 mg/kg i.p.) was administered at the onset of diabetes, every other day for 4 weeks (paradigm B). However, BNN27 decreased the activation of caspase-3 in both paradigms. Finally, BNN27 reduced the proinflammatory (TNFalpha and IL 1beta) and increased the anti-inflammatory (IL-10 and IL-4) cytokine levels. These findings suggest that BNN27 has the pharmacological profile of a therapeutic for DR, since it targets both the neurodegenerative and inflammatory components of the disease. PMID- 29208635 TI - The Sox2 promoter-driven CD63-GFP transgenic rat model allows tracking of neural stem cell-derived extracellular vesicles. AB - Extracellular vesicles (EVs) can modulate microenvironments by transferring biomolecules, including RNAs and proteins derived from releasing cells, to target cells. To understand the molecular mechanisms maintaining the neural stem cell (NSC) niche through EVs, a new transgenic (Tg) rat strain that can release human CD63-GFP-expressing EVs from the NSCs was established. Human CD63-GFP expression was controlled under the rat Sox2 promoter (Sox2/human CD63-GFP), and it was expressed in undifferentiated fetal brains. GFP signals were specifically observed in in vitro cultured NSCs obtained from embryonic brains of the Tg rats. We also demonstrated that embryonic NSC (eNSC)-derived EVs were labelled by human CD63-GFP. Furthermore, when we examined the transfer of EVs, eNSC-derived EVs were found to be incorporated into astrocytes and eNSCs, thus implying an EV mediated communication between different cell types around NSCs. This new Sox2/human CD63-GFP Tg rat strain should provide resources to analyse the cell-to cell communication via EVs in NSC microenvironments. PMID- 29208637 TI - Could blocking the formation of amyloid channels rescue Alzheimer's phenotype? PMID- 29208636 TI - Homeodomain-interacting protein kinase promotes tumorigenesis and metastatic cell behavior. AB - Aberrations in signaling pathways that regulate tissue growth often lead to tumorigenesis. Homeodomain-interacting protein kinase (Hipk) family members are reported to have distinct and contradictory effects on cell proliferation and tissue growth. From these studies, it is clear that much remains to be learned about the roles of Hipk family protein kinases in proliferation and cell behavior. Previous work has shown that Drosophila Hipk is a potent growth regulator, thus we predicted that it could have a role in tumorigenesis. In our study of Hipk-induced phenotypes, we observed the formation of tumor-like structures in multiple cell types in larvae and adults. Furthermore, elevated Hipk in epithelial cells induces cell spreading, invasion and epithelial-to mesenchymal transition (EMT) in the imaginal disc. Further evidence comes from cell culture studies, in which we expressed Drosophila Hipk in human breast cancer cells and showed that it enhances proliferation and migration. Past studies have shown that Hipk can promote the action of conserved pathways implicated in cancer and EMT, such as Wnt/Wingless, Hippo, Notch and JNK. We show that Hipk phenotypes are not likely to arise from activation of a single target, but rather through a cumulative effect on numerous target pathways. Most Drosophila tumor models involve mutations in multiple genes, such as the well known RasV12 model, in which EMT and invasiveness occur after the additional loss of the tumor suppressor gene scribble. Our study reveals that elevated levels of Hipk on their own can promote both hyperproliferation and invasive cell behavior, suggesting that Hipk family members could be potent oncogenes and drivers of EMT. PMID- 29208639 TI - Reconstitution of Female Germ Cell Fate Determination and Meiotic Initiation in Mammals. AB - Meiosis is a fundamental process that underpins sexual reproduction. In mammals, the execution of meiosis is tightly integrated within the complex processes of oogenesis and spermatogenesis, and elucidation of the molecular mechanisms regulating meiotic initiation remains challenging. We have recently developed in vitro culture strategies to induce mouse pluripotent stem cells into germ cells, which successfully contribute to both oogenesis and spermatogenesis and to fertile offspring. The culture strategies faithfully recapitulate transcriptional and epigenetic dynamics as well as signaling principles for germ cell specification, proliferation, and female sex determination/meiotic induction, providing a valuable platform for studies to illuminate the molecular mechanisms underlying such critical processes. Here, we review mammalian gametogenesis with a focus on the implementation of meiosis and, based on our recent studies, discuss new insights into the mechanisms for meiotic initiation and germ cell sex determination in mice. PMID- 29208640 TI - Shaping Chromatin in the Nucleus: The Bricks and the Architects. AB - Chromatin organization in the nucleus provides a vast repertoire of information in addition to that encoded genetically. Understanding how this organization impacts genome stability and influences cell fate and tumorigenesis is an area of rapid progress. Considering the nucleosome, the fundamental unit of chromatin structure, the study of histone variants (the bricks) and their selective loading by histone chaperones (the architects) is particularly informative. Here, we report recent advances in understanding how relationships between histone variants and their chaperones contribute to tumorigenesis using cell lines and Xenopus development as model systems. In addition to their role in histone deposition, we also document interactions between histone chaperones and other chromatin factors that govern higher-order structure and control DNA metabolism. We highlight how a fine-tuned assembly line of bricks (H3.3 and CENP-A) and architects (HIRA, HJURP, and DAXX) is key in adaptation to developmental and pathological changes. An example of this conceptual advance is the exquisite sensitivity displayed by p53-null tumor cells to modulation of HJURP, the histone chaperone for CENP-A (CenH3 variant). We discuss how these findings open avenues for novel therapeutic paradigms in cancer care. PMID- 29208638 TI - The diphenylpyrazole compound anle138b blocks Abeta channels and rescues disease phenotypes in a mouse model for amyloid pathology. AB - Alzheimer's disease is a devastating neurodegenerative disease eventually leading to dementia. An effective treatment does not yet exist. Here we show that oral application of the compound anle138b restores hippocampal synaptic and transcriptional plasticity as well as spatial memory in a mouse model for Alzheimer's disease, when given orally before or after the onset of pathology. At the mechanistic level, we provide evidence that anle138b blocks the activity of conducting Abeta pores without changing the membrane embedded Abeta-oligomer structure. In conclusion, our data suggest that anle138b is a novel and promising compound to treat AD-related pathology that should be investigated further. PMID- 29208642 TI - STPs are based on flawed financial assumptions. PMID- 29208641 TI - Alternative Oxidase Isoforms Are Differentially Activated by Tricarboxylic Acid Cycle Intermediates. AB - The cyanide-insensitive alternative oxidase (AOX) is a non-proton-pumping ubiquinol oxidase that catalyzes the reduction of oxygen to water and is posttranslationally regulated by redox mechanisms and 2-oxo acids. Arabidopsis (Arabidopsis thaliana) possesses five AOX isoforms (AOX1A-AOX1D and AOX2). AOX1D expression is increased in aox1a knockout mutants from Arabidopsis (especially after restriction of the cytochrome c pathway) but cannot compensate for the lack of AOX1A, suggesting a difference in the regulation of these isoforms. Therefore, we analyzed the different AOX isoenzymes with the aim to identify differences in their posttranslational regulation. Seven tricarboxylic acid cycle intermediates (citrate, isocitrate, 2-oxoglutarate, succinate, fumarate, malate, and oxaloacetate) were tested for their influence on AOX1A, AOX1C, and AOX1D wild type protein activity using a refined in vitro system. AOX1C is insensitive to all seven organic acids, AOX1A and AOX1D are both activated by 2-oxoglutarate, but only AOX1A is additionally activated by oxaloacetate. Furthermore, AOX isoforms cannot be transformed to mimic one another by substituting the variable cysteine residues at position III in the protein. In summary, we show that AOX isoforms from Arabidopsis are differentially fine-regulated by tricarboxylic acid cycle metabolites (most likely depending on the amino-terminal region around the highly conserved cysteine residues known to be involved in regulation by the 2 oxo acids pyruvate and glyoxylate) and propose that this is the main reason why they cannot functionally compensate for each other. PMID- 29208643 TI - Heterologous Protein Expression in the Xenopus Oocyte. AB - The Xenopus oocyte is a specialized single cell of colossal size (>1 mm diameter) that is highly amenable for microinjection and a stalwart model for heterologous expression. Oocytes are easily obtainable, robust in vitro, and faithfully express injected constructs. Their large size translational capacity provides a huge canvas for observing and recording integrated cellular responses-from studies of single molecules within single cells to medium-throughput drug screening applications. Most eukaryotic promoters suffice for Xenopus expression, and the oocyte can functionally express proteins from many diverse organisms. This protocol provides a basic introduction for scientists keen to perform nuclear microinjections of cDNA constructs. These are easy methods to master, do not require elaborate equipment, and make accessible a wonderful model cell system for studying signaling, transport, cell architecture, and protein function. PMID- 29208644 TI - Filopodia-Like Structure Formation from Xenopus Egg Extracts. AB - The actin cytoskeleton comprises many different architectures of filaments, including branched networks, parallel bundles and antiparallel fibers. A current challenge is to elucidate how the diverse array of actin regulators, which controls the growth, assembly and turnover of actin filaments, is used to orchestrate cytoskeletal organization and in turn cell shape and movement. Long observed to assemble at cell membranes, actin in Xenopus egg extracts recapitulates membrane-triggered assembly at specific lipid and membrane environments. The use of Xenopus egg extracts has contributed greatly to identifying how constitutively autoinhibited regulatory pathways are activated, which converge on activation of the Arp2/3 complex. Here we describe a protocol for making parallel actin bundles using Xenopus egg extracts from supernatants prepared by high-speed centrifugation. These filopodia-like actin bundles emanate from clusters of actin regulators that self-assemble at phosphatidylinositol (4,5)-bisphosphate-containing supported lipid bilayers. Forming a plasma membrane mimicking bilayer on glass allows easy, optimizable, high signal-to-noise microscopy at high spatial and temporal resolution. The use of Xenopus egg extracts yields large quantities of active material that can be flexibly tailored to address specific questions, for example, by dilution, addition of fluorescent proteins, antibodies or protein fragments, immunodepletion, addition of small molecule inhibitors, or biochemical fractionation. PMID- 29208645 TI - Observation of DNA intertwining along authentic budding yeast chromosomes. AB - DNA replication of circular genomes generates physically interlinked or catenated sister DNAs. These are resolved through transient DNA fracture by type II topoisomerases to permit chromosome segregation during cell division. Topoisomerase II is similarly required for linear chromosome segregation, suggesting that linear chromosomes also remain intertwined following DNA replication. Indeed, chromosome resolution defects are a frequent cause of chromosome segregation failure and consequent aneuploidies. When and where intertwines arise and persist along linear chromosomes are not known, owing to the difficulty of demonstrating intertwining of linear DNAs. Here, we used excision of chromosomal regions as circular "loop outs" to convert sister chromatid intertwines into catenated circles. This revealed intertwining at replication termination and cohesin-binding sites, where intertwines are thought to arise and persist but not to a greater extent than elsewhere in the genome. Intertwining appears to spread evenly along chromosomes but is excluded from heterochromatin. We found that intertwines arise before replication termination, suggesting that replication forks rotate during replication elongation to dissipate torsion ahead of the forks. Our approach provides previously inaccessible insight into the topology of eukaryotic chromosomes and illuminates a process critical for successful chromosome segregation. PMID- 29208646 TI - A Serum Protein Signature Associated with Outcome after Anti-PD-1 Therapy in Metastatic Melanoma. AB - A mass spectrometry analysis was performed using serum from patients receiving checkpoint inhibitors to define baseline protein signatures associated with outcome in metastatic melanoma. Pretreatment serum was obtained from a development set of 119 melanoma patients on a trial of nivolumab with or without a multipeptide vaccine and from patients receiving pembrolizumab, nivolumab, ipilimumab, or both nivolumab and ipilimumab. Spectra were obtained using matrix assisted laser desorption/ionization time of flight mass spectrometry. These data combined with clinical data identified patients with better or worse outcomes. The test was applied to five independent patient cohorts treated with checkpoint inhibitors and its biology investigated using enrichment analyses. A signature consisting of 209 proteins or peptides was associated with progression-free and overall survival in a multivariate analysis. The test performance across validation cohorts was consistent with the development set results. A pooled analysis, stratified by set, demonstrated a significantly better overall survival for "sensitive" relative to "resistant" patients, HR = 0.15 (95% confidence interval: 0.06-0.40, P < 0.001). The test was also associated with survival in a cohort of ipilimumab-treated patients. Test classification was found to be associated with acute phase reactant, complement, and wound healing pathways. We conclude that a pretreatment signature of proteins, defined by mass spectrometry analysis and machine learning, predicted survival in patients receiving PD-1 blocking antibodies. This signature of proteins was associated with acute phase reactants and elements of wound healing and the complement cascade. This signature merits further study to determine if it identifies patients who would benefit from PD-1 blockade. Cancer Immunol Res; 6(1); 79-86. (c)2017 AACR. PMID- 29208648 TI - Optimizing Genomic Methods for Mapping and Identification of Candidate Variants in ENU Mutagenesis Screens Using Inbred Mice. AB - Positional cloning of ENU-induced mutations has traditionally relied on analysis of polymorphic variation between two strains. In contrast, the application of whole-genome sequencing (WGS) has enabled gene discovery in mutant lines maintained on an inbred genetic background. This approach utilizes genetic variation derived from ENU-induced variants for mapping and reduces the likelihood of phenotypic variation, making it an ideal method for genetic modifier screening. Here, we describe the results of such a screen, wherein we determined the minimal number of mutant genomic DNA samples to include in our analyses and improved the sensitivity of our screen by individually barcoding each genomic DNA library. We present several unique cases to illustrate this approach's efficacy, including the discovery of two distinct mutations that generate essentially identical mutant phenotypes, the ascertainment of a non-ENU induced candidate variant through homozygosity mapping, and an approach for the identification of putative dominant genetic modifiers. PMID- 29208649 TI - Whole Genome Sequencing of Hulunbuir Short-Tailed Sheep for Identifying Candidate Genes Related to the Short-Tail Phenotype. AB - The Hulunbuir short-tailed sheep (Ovis aries) is a breed native to China, in which the short-tail phenotype is the result of artificial and natural selection favoring a specific set of genetic mutations. Here, we analyzed the genetic differences between short-tail and normal-tail phenotypes at the genomic level. Selection signals were identified in genome-wide sequences. From 16 sheep, we identified 72,101,346 single nucleotide polymorphisms. Selection signals were detected based on the fixation index and heterozygosity. Seven genomic regions under putative selection were identified, and these regions contained nine genes. Among these genes, T was the strongest candidate as T is related to vertebral development. In T, a nonsynonymous mutation at c.G334T resulted in p.G112W substitution. We inferred that the c.G334T mutation in T leads to functional changes in Brachyury-encoded by this gene-resulting in the short-tail phenotype. Our findings provide a valuable insight into the development of the short-tail phenotype in sheep and other short-tailed animals. PMID- 29208647 TI - Cell-Type Transcriptomes of the Multicellular Green Alga Volvox carteri Yield Insights into the Evolutionary Origins of Germ and Somatic Differentiation Programs. AB - Germ-soma differentiation is a hallmark of complex multicellular organisms, yet its origins are not well understood. Volvox carteri is a simple multicellular green alga that has recently evolved a simple germ-soma dichotomy with only two cell-types: large germ cells called gonidia and small terminally differentiated somatic cells. Here, we provide a comprehensive characterization of the gonidial and somatic transcriptomes of V. carteri to uncover fundamental differences between the molecular and metabolic programming of these cell-types. We found extensive transcriptome differentiation between cell-types, with somatic cells expressing a more specialized program overrepresented in younger, lineage specific genes, and gonidial cells expressing a more generalist program overrepresented in more ancient genes that shared striking overlap with stem cell specific genes from animals and land plants. Directed analyses of different pathways revealed a strong dichotomy between cell-types with gonidial cells expressing growth-related genes and somatic cells expressing an altruistic metabolic program geared toward the assembly of flagella, which support organismal motility, and the conversion of storage carbon to sugars, which act as donors for production of extracellular matrix (ECM) glycoproteins whose secretion enables massive organismal expansion. V. carteri orthologs of diurnally controlled genes from C. reinhardtii, a single-celled relative, were analyzed for cell-type distribution and found to be strongly partitioned, with expression of dark-phase genes overrepresented in somatic cells and light-phase genes overrepresented in gonidial cells- a result that is consistent with cell-type programs in V. carteri arising by cooption of temporal regulons in a unicellular ancestor. Together, our findings reveal fundamental molecular, metabolic, and evolutionary mechanisms that underlie the origins of germ-soma differentiation in V. carteri and provide a template for understanding the acquisition of germ-soma differentiation in other multicellular lineages. PMID- 29208650 TI - Transcriptional Profiling of Saccharomyces cerevisiae Reveals the Impact of Variation of a Single Transcription Factor on Differential Gene Expression in 4NQO, Fermentable, and Nonfermentable Carbon Sources. AB - Cellular metabolism can change the potency of a chemical's tumorigenicity. 4 nitroquinoline-1-oxide (4NQO) is a tumorigenic drug widely used on animal models for cancer research. Polymorphisms of the transcription factor Yrr1 confer different levels of resistance to 4NQO in Saccharomyces cerevisiae To study how different Yrr1 alleles regulate gene expression leading to resistance, transcriptomes of three isogenic Scerevisiae strains carrying different Yrr1 alleles were profiled via RNA sequencing (RNA-Seq) and chromatin immunoprecipitation coupled with sequencing (ChIP-Seq) in the presence and absence of 4NQO. In response to 4NQO, all alleles of Yrr1 drove the expression of SNQ2 (a multidrug transporter), which was highest in the presence of 4NQO resistance-conferring alleles, and overexpression of SNQ2 alone was sufficient to overcome 4NQO-sensitive growth. Using shape metrics to refine the ChIP-Seq peaks, Yrr1 strongly associated with three loci including SNQ2 In addition to a known Yrr1 target SNG1, Yrr1 also bound upstream of RPL35B; however, overexpression of these genes did not confer 4NQO resistance. RNA-Seq data also implicated nucleotide synthesis pathways including the de novo purine pathway, and the ribonuclease reductase pathways were downregulated in response to 4NQO. Conversion of a 4NQO-sensitive allele to a 4NQO-resistant allele by a single point mutation mimicked the 4NQO-resistant allele in phenotype, and while the 4NQO resistant allele increased the expression of the ADE genes in the de novo purine biosynthetic pathway, the mutant Yrr1 increased expression of ADE genes even in the absence of 4NQO. These same ADE genes were only increased in the wild type alleles in the presence of 4NQO, indicating that the point mutation activated Yrr1 to upregulate a pathway normally only activated in response to stress. The various Yrr1 alleles also influenced growth on different carbon sources by altering the function of the mitochondria. Hence, the complement to 4NQO resistance was poor growth on nonfermentable carbon sources, which in turn varied depending on the allele of Yrr1 expressed in the isogenic yeast. The oxidation state of the yeast affected the 4NQO toxicity by altering the reactive oxygen species (ROS) generated by cellular metabolism. The integration of RNA-Seq and ChIP-Seq elucidated how Yrr1 regulates global gene transcription in response to 4NQO and how various Yrr1 alleles confer differential resistance to 4NQO. This study provides guidance for further investigation into how Yrr1 regulates cellular responses to 4NQO, as well as transcriptomic resources for further analysis of transcription factor variation on carbon source utilization. PMID- 29208651 TI - A 12.3-kb Duplication Within the VWF Gene in Pigs Affected by Von Willebrand Disease Type 3. AB - Von Willebrand Disease (VWD) type 3 is a serious and sometimes fatal hereditary bleeding disorder. In pigs, the disease has been known for decades, and affected animals are used as models for the human disease. Due to the recessive mode of inheritance of VWD type 3, severe bleeding is typically seen in homozygous individuals. We sequenced the complete porcine VWF (Von Willebrand Factor) complementary DNA (cDNA) and detected a tandem duplication of exons 17 and 18, causing a frameshift and a premature termination codon (p.Val814LeufsTer3) in the affected pig. Subsequent next generation sequencing on genomic DNA proved the existence of a 12.3-kb tandem duplication associated with VWD. This duplication putatively originates from porcine Short Interspersed Nuclear Elements (SINEs) located within VWF introns 16 and 18 with high identity. The premature termination truncates the VWF open reading frame by a large part, resulting in an almost entire loss of the mature peptide. It is therefore supposed to account for the severe VWD type 3. Our results further indicate the presence of strong, nonsense-mediated decay in VWF messenger RNA (mRNA) containing the duplication, which was supported by the almost complete absence of the complete VWF protein in immunohistochemistry analysis of the VWD-affected pig. In the past, differentiation of wild-type and heterozygous pigs in this VWD colony had to rely on clinical examinations and additional laboratory methods. The present study provides the basis to distinguish both genotypes by performing a rapid and simple genetic analysis. PMID- 29208652 TI - Is continuous electronic fetal monitoring useful for all women in labour? PMID- 29208653 TI - Twin Pregnancy With Gestational Diabetes Mellitus: A Double Whammy? PMID- 29208655 TI - Obstructive Sleep Apnea and Diabetes Independently Add to Cardiovascular Risk After Coronary Revascularization. PMID- 29208654 TI - Advanced Glycation End Products, Oxidation Products, and Incident Cardiovascular Events in Patients With Type 2 Diabetes. AB - OBJECTIVE: The goal of this study was to determine whether plasma levels of advanced glycation end products (AGE) and oxidation products (OP) predict the incidence of cardiovascular disease (CVD) in type 2 diabetes. RESEARCH DESIGN AND METHODS: Five specific AGE (methylglyoxal hydroimidazolone, carboxymethyl lysine, carboxyethyl lysine, 3-deoxyglucosone hydroimidazolone, and glyoxal hydroimidazolone) and two OP (2-aminoadipic acid and methionine sulfoxide [MetSO]) were measured at baseline in two intensive glucose-lowering studies: 1) a subcohort of the Veterans Affairs Diabetes Trial (VADT) (n = 445) and 2) a nested case-control subgroup from the Action to Control Cardiovascular Risk in Diabetes (ACCORD) study (n = 271). RESULTS: Increased levels of several AGE and OP were associated with older age, decreased kidney function, previous CVD, and longer diabetes duration, but not with hemoglobin A1c. In the VADT, increased risk of incident CVD events (n = 107) was associated with lower MetSO after adjusting for age, race/ethnicity, sex, prior CVD event, kidney function, treatment assignment, and diabetes duration (hazard ratio [HR] 0.53; 95% CI 0.28 0.99; P = 0.047). Individuals with both low MetSO and high 3-deoxyglucosone hydroimidazolone concentrations were at highest risk for CVD (HR 1.70; P = 0.01). In the ACCORD study, those with incident CVD events (n = 136) had lower MetSO (by 14%; P = 0.007) and higher glyoxal hydroimidazolone and carboxymethyl lysine (by 18% and 15%, respectively; P = 0.04 for both); however, only the difference in MetSO remained significant after adjustment for prior CVD event (P = 0.002). CONCLUSIONS: Lower levels of MetSO and higher levels of select AGE are associated with increased incident CVD and may help account for the limited benefit of intensive glucose lowering in type 2 diabetes. PMID- 29208656 TI - PvdO is required for the oxidation of dihydropyoverdine as the last step of fluorophore formation in Pseudomonas fluorescens. AB - Pyoverdines are important siderophores that guarantee iron supply to important pathogenic and non-pathogenic pseudomonads in host habitats. A key characteristic of all pyoverdines is the fluorescent dihydroxyquinoline group that contributes two ligands to the iron complexes. Pyoverdines are derived from the non ribosomally synthesized peptide ferribactin, and their fluorophore is generated by periplasmic oxidation and cyclization reactions of d-tyrosine and l diaminobutyric acid. The formation of the fluorophore is known to be driven by the periplasmic tyrosinase PvdP. Here we report that the putative periplasmic oxidoreductase PvdO of Pseudomonas fluorescens A506 is required for the final oxidation of dihydropyoverdine to pyoverdine, which completes the fluorophore. The pvdO deletion mutant accumulates dihydropyoverdine, and this phenotype is fully complemented by recombinant PvdO. The autoxidation of dihydropyoverdine at alkaline pH and the presence of high copper concentrations can mask this phenotype. Mutagenesis of conserved residues with potential catalytic function identified Glu-260 as an essential residue whose mutation abolished function without affecting stability or transport. Glu-260 of PvdO is at the exact position of the active-site cysteine in the structurally related formylglycine generating enzyme. Evolution thus used the same protein fold for two distinct functionalities. As purified PvdO was inactive, additional factors are required for catalysis. PMID- 29208657 TI - Assembly of intermediates for rapid membrane fusion. AB - Membrane fusion is essential for intracellular protein sorting, cell growth, hormone secretion, and neurotransmission. Rapid membrane fusion requires tethering and Sec1-Munc18 (SM) function to catalyze R-, Qa-, Qb-, and Qc-SNARE complex assembly in trans, as well as SNARE engagement by the SNARE-binding chaperone Sec17/alphaSNAP. The hexameric vacuolar HOPS (homotypic fusion and vacuole protein sorting) complex in the yeast Saccharomyces cerevisiae tethers membranes through its affinities for the membrane Rab GTPase Ypt7. HOPS also has specific affinities for the vacuolar SNAREs and catalyzes SNARE complex assembly, but the order of their assembly into a 4-SNARE complex is unclear. We now report defined assembly intermediates on the path to membrane fusion. We found that a prefusion intermediate will assemble with HOPS and the R, Qa, and Qc SNAREs, and that this assembly undergoes rapid fusion upon addition of Qb and Sec17. HOPS tethered membranes and all four vacuolar SNAREs formed a complex that underwent an even more dramatic burst of fusion upon Sec17p addition. These findings provide initial insights into an ordered fusion pathway consisting of the following intermediates and events: 1) Rab- and HOPS-tethered membranes, 2) a HOPS:R:Qa:Qc trans-complex, 3) a HOPS:4-SNARE trans-complex, 4) an engagement with Sec17, and 5) the rapid lipid rearrangements during fusion. In conclusion, our results indicate that the R:Qa:Qc complex forms in the context of membrane, Ypt7, HOPS, and trans-SNARE assembly and serves as a functional intermediate for rapid fusion after addition of the Qb-SNARE and Sec17 proteins. PMID- 29208658 TI - Unbiased Approach to Counteract Upward Drift in Cerebrospinal Fluid Amyloid-beta 1-42 Analysis Results. AB - BACKGROUND: Low cerebrospinal fluid (CSF) amyloid-beta 1-42 (Abeta 1-42) concentrations indicate amyloid plaque accumulation in the brain, a pathological hallmark of Alzheimer disease (AD). Innotest assay values of Abeta 1-42 have gradually increased over the past 2 decades, which might lead to misclassification of AD when a single cutpoint for abnormality is used. We propose an unbiased approach to statistically correct for drift. METHODS: We determined year-specific cutpoints with Gaussian mixture modeling, based on the cross-section of bimodal distributions of Abeta 1-42 concentrations in 4397 memory clinic patients. This allowed us to realign year-specific cutpoints as an unbiased method to remove drift from the data. Sensitivity and specificity to detect AD dementia were compared between corrected and uncorrected values. RESULTS: Abeta 1-42 values increased 22 pg/mL annually, and this could not be explained by changes in cohort composition. Our approach removed time dependencies [beta (SE) = 0.07 (0.59); P = 0.91]. Statistically correcting for drift improved the sensitivity to detect AD dementia to 0.90 (95% CI, 0.89-0.92) from at least 0.66 (95% CI, 0.64-0.69) based on uncorrected data. Specificity became lower (0.69; 95% CI, 0.67-0.70) vs at most 0.80 (95% CI, 0.79-0.82) for uncorrected data. CONCLUSIONS: This approach may also be useful to standardize Abeta 1-42 CSF concentrations across different centers and/or platforms, and to optimize use of CSF biomarker data collected over a long period. PMID- 29208659 TI - Rapid Diagnosis of Tick-Borne Illnesses by Use of One-Step Isothermal Nucleic Acid Amplification and Bio-Optical Sensor Detection. AB - BACKGROUND: Scrub typhus and severe fever with thrombocytopenia syndrome (SFTS) are the most common tick-borne illnesses in South Korea. Early differentiation of SFTS from scrub typhus in emergency departments is essential but difficult because of their overlapping epidemiology, shared risk factors, and similar clinical manifestations. METHODS: We compared the diagnostic performance of one step isothermal nucleic acid amplification with bio-optical sensor detection (iNAD) under isothermal conditions, which is rapid (20-30 min), with that of real time PCR, in patients with a confirmed tick-borne illness. Fifteen patients with confirmed SFTS who provided a total of 15 initial blood samples and 5 follow-up blood samples, and 21 patients with confirmed scrub typhus, were evaluated. RESULTS: The clinical sensitivity of iNAD (100%; 95% CI, 83-100) for SFTS was significantly higher than that of real-time PCR (75%; 95% CI, 51-91; P = 0.047), while its clinical specificity (86%; 95% CI, 65-97) was similar to that of real time PCR (95%; 95% CI, 77-99; P = 0.61). The clinical sensitivity of iNAD for scrub typhus (100%; 95% CI, 81-100) was significantly higher than that of real time PCR for scrub typhus (67%; 95% CI, 43-85; P = 0.009), while its clinical specificity (90%; 95% CI, 67-98) was similar to that of real-time PCR (95%; 95% CI, 73-100; P > 0.99). CONCLUSIONS: iNAD is a valuable, rapid method of detecting SFTS virus and Orientia tsutsugamushi with high clinical sensitivity and specificity. PMID- 29208660 TI - Dynamics of Clinically Important Proteins: Measuring Turnover of Drug Targets and Biomarkers. PMID- 29208661 TI - Plasma Steroid Metabolome Profiling for Diagnosis and Subtyping Patients with Cushing Syndrome. AB - BACKGROUND: Diagnosis of Cushing syndrome requires a multistep process that includes verification of hypercortisolism followed by identification of the cause of adrenocortical hyperfunction. This study assessed whether pituitary, ectopic, and adrenal subtypes of Cushing syndrome were characterized by distinct plasma steroid profiles that might assist diagnosis. METHODS: In this retrospective cross-sectional study, mass spectrometric measurements of a panel of 15 plasma steroids were applied to 222 patient samples tested for Cushing syndrome. Disease was excluded in 138 and confirmed in 51 patients with pituitary Cushing syndrome, 12 with ectopic adrenocorticotropin secretion, and 21 with adrenal disease. Another 277 age- and sex-matched hypertensive and normotensive volunteers were included for comparison. RESULTS: Compared with patients without disease, the largest increases in plasma steroids among patients with Cushing syndrome were observed for 11-deoxycortisol (289%), 21-deoxycortisol (150%), 11 deoxycorticosterone (133%), corticosterone (124%), and cortisol (122%). Patients with ectopic disease showed the most prominent increases, but there was considerable variation for other steroids according to subtype. Patients with adrenal disease had the lowest concentrations of androgens, whereas those with ectopic and pituitary disease showed the lowest concentrations of aldosterone. Plasma 18-oxocortisol was particularly low in ectopic disease. With the use of 10 selected steroids, subjects with and without different Cushing syndrome subtypes could be discriminated nearly as closely as with the use of salivary and urinary free cortisol, dexamethasone-suppressed cortisol, and plasma adrenocorticotropin (9.5% vs 5.8% misclassification). CONCLUSIONS: Patients with different subtypes of Cushing syndrome show distinctive plasma steroid profiles that may offer a supplementary single-test alternative for screening purposes. PMID- 29208662 TI - Antenatal corticosteroids in impending preterm deliveries before 25 weeks' gestation. AB - Antenatal corticosteroid (ANC) use before 25 weeks' gestation is controversial. Our previous systematic review (eight observational studies, n=10 109) showed that ANC exposure was associated with significantly reduced mortality and severe intraventricular haemorrhage (IVH)/periventricular leukomalacia (PVL) in neonates born <25 weeks. We update our review by adding data (n=3334) from a recent study. We used Cochrane methodology and summarised the results using GRADE (The Grading of Recommendations Assessment, Development and Evaluation) guidelines. Nine high quality observational studies were included. Meta-analysis (random effects model) showed reduced mortality (n=13 443; OR=0.48 (95% CI 0.42 to 0.55) P<0.00001; level of evidence (LOE): moderate) and IVH or PVL (n=8418; OR=0.70 (95% CI 0.63 to 0.79), P<0.00001; LOE: moderate) in neonates born <25 weeks exposed to ANC. There was no difference in necrotising enterocolitis (NEC) >=stage II (n=8737; OR=1.01 (95% CI 0.84 to 1.22), P=0.89; LOE: low); incidence of chronic lung disease (CLD) was higher (n=7983; OR=1.32 (95% CI 1.04 to 1.67), P=0.02; LOE: low) in ANC group. Composite outcomes of death/major morbidities (eg, severe IVH, NEC, CLD) were improved after ANC exposure. PMID- 29208663 TI - Haemodynamic effects of umbilical cord milking in premature sheep during the neonatal transition. AB - OBJECTIVE: Umbilical cord milking (UCM) at birth may benefit preterm infants, but the physiological effects of UCM are unknown. We compared the physiological effects of two UCM strategies with immediate umbilical cord clamping (UCC) and physiological-based cord clamping (PBCC) in preterm lambs. METHODS: At 126 days' gestational age, fetal lambs were exteriorised, intubated and instrumented to measure umbilical, pulmonary and cerebral blood flows and arterial pressures. Lambs received either (1) UCM without placental refill (UCMwoPR); (2) UCM with placental refill (UCMwPR); (3) PBCC, whereby ventilation commenced prior to UCC; or (4) immediate UCC. UCM involved eight milks along a 10 cm length of cord, followed by UCC. RESULTS: A net volume of blood was transferred into the lamb during UCMwPR (8.8 mL/kg, IQR 8-10, P=0.01) but not during UCMwoPR (0 mL/kg, IQR 2.8 to 1.7) or PBCC (1.1 mL/kg, IQR -1.3 to 4.3). UCM had no effect on pulmonary blood flow, but caused large fluctuations in mean carotid artery pressures (MBP) and blood flows (CABF). In UCMwoPR and UCMwPR lambs, MBP increased by 12%+/-1% and 8%+/-1% and CABF increased by 32%+/-2% and 15%+/-2%, respectively, with each milk. Cerebral oxygenation decreased the least in PBCC lambs (17%, IQR 13-26) compared with UCMwoPR (26%, IQR 23-25, P=0.03), UCMwPR (35%, IQR 27-44, P=0.02) and immediate UCC (34%, IQR 28-41, P=0.02) lambs. CONCLUSIONS: UCMwoPR failed to provide placental transfusion, and UCM strategies caused considerable haemodynamic disturbance. UCM does not provide the same physiological benefits of PBCC. Further review of UCM is warranted before adoption into routine clinical practice. PMID- 29208664 TI - Improving intrapartum care: can we use routinely available data to monitor the effects of our actions? PMID- 29208665 TI - Cognitive trajectories from infancy to early adulthood in the EPICure cohort: time to refocus research on how to break the 'natural limits' of brain plasticity. PMID- 29208667 TI - Etk Interaction with PFKFB4 Modulates Chemoresistance of Small-cell Lung Cancer by Regulating Autophagy. AB - Purpose: Epithelial and endothelial tyrosine kinase (Etk), also known as bone marrow X kinase (Bmx), was found to be critical in modulating the chemoresistance of small-cell lung cancer (SCLC) in our preliminary study. However, the molecular mechanisms of Etk in SCLC chemoresistance remain poorly understood.Experimental Design: We determined correlation of Etk with autophagy in SCLC. And direct inhibition of autophagy was performed to validate its effect on chemoresistance. Coimmunoprecipitation (co-IP) and GST-pull down experiments were conducted to verify the interaction of Etk and PFKFB4, after a microarray analysis. In vitro and in vivo gain or loss-of-function analyses and evaluation of PFKFB4 expression in SCLC specimens, were done to validate its role in chemoresistance. Ibrutinib was administrated in SCLC cells to verify its synergistic anti-tumor effect with chemotherapy using preclinical models including a PDX model.Results: Downregulation of Etk suppressed autophagy in chemoresistant SCLC cells, and direct inhibition of autophagy sensitized cells to chemotherapy. PFKFB4 (6 phosphofructo-2-kinase/fructose-2,6-biphosphatase 4) was identified as a downstream target of Etk and an Etk-interacting protein, which promoted chemoresistance in SCLC and was associated with poor therapeutic response and prognosis. Furthermore, ibrutinib was found to exhibit a synergistic anti-tumor effect with chemotherapy in targeting Etk.Conclusions: Our results demonstrated for the first time that Etk interacts with PFKFB4 to promote SCLC chemoresistance through regulation of autophagy. Aberrant Etk and PFKFB4 can be predictive factors for the chemotherapy response as well as potential therapeutic targets in SCLC. Clin Cancer Res; 24(4); 950-62. (c)2017 AACR. PMID- 29208666 TI - Epidemiology of UK neonatal infections: the neonIN infection surveillance network. AB - OBJECTIVE: To describe the epidemiology of neonatal infection over the past decade in UK neonatal units. DESIGN: Retrospective analysis of prospectively collected infection surveillance network data from 2005 to 2014. SETTING: 30 neonatal units in the UK. PATIENTS: Newborns on participating neonatal units who had a positive blood, cerebrospinal fluid or urine culture and were treated with at least 5 days of appropriate antibiotics. RESULTS: 2171 episodes of neonatal infection in 1922 infants were recorded. The incidence of infection was 6.1/1000 live births and 48.8/1000 neonatal admissions (2.9 and 23.5 respectively if coagulase-negative staphylococci (CoNS) cultures excluded). The incidence of infection showed a statistically significant reduction over time with reductions in the rates of both early-onset sepsis (EOS) and late-onset sepsis (LOS).The majority of episodes (76%) represented LOS (diagnosed > 48 hours after birth), and infection was more common in premature (<37 weeks gestation) and low birth weight (<2500 g) neonates (84% and 81%, respectively). Commonly identified pathogens included group B streptococci (43%) and Escherichia coli (18%) for EOS, while E. coli (15%), Staphylococcus aureus (14%) and CoNS were prominent causes of LOS. CONCLUSIONS: This paper describes the epidemiology of neonatal infection in the UK over the past decade. These data enable benchmarking of practice and inform areas of future research and guideline development. The results support the hypothesis that the introduction of infection prevention care bundles and antibiotic stewardship programmes in the UK has reduced the burden of LOS. PMID- 29208668 TI - A Polymorphism within the Vitamin D Transporter Gene Predicts Outcome in Metastatic Colorectal Cancer Patients Treated with FOLFIRI/Bevacizumab or FOLFIRI/Cetuximab. AB - Purpose: Vitamin D exerts its inhibitory influence on colon cancer growth by inhibiting Wnt signaling and angiogenesis. We hypothesized that SNPs in genes involved in vitamin D transport, metabolism, and signaling are associated with outcome in metastatic colorectal cancer (mCRC) patients treated with first-line FOLFIRI and bevacizumab.Experimental Design: 522 mCRC patients enrolled in the FIRE-3 (discovery cohort) and TRIBE (validation set) trials treated with FOLFIRI/bevacizumab were included in this study. 278 patients receiving FOLFIRI and cetuximab (FIRE-3) served as a control cohort. Six SNPs in 6 genes (GC, CYP24A1, CYP27B1, VDR, DKK1, CST5) were analyzed.Results: In the discovery cohort, AA carriers of the GC rs4588 SNP encoding for the vitamin D-binding protein, and treated with FOLFIRI/bevacizumab had a shorter overall survival (OS) than those harboring any C allele (15.9 vs. 25.1 months) in both univariable (P = 0.001) and multivariable analyses (P = 0.047). This association was confirmed in the validation cohort in multivariable analysis (OS 18.1 vs. 26.2 months, HR, 1.83; P = 0.037). Interestingly, AA carriers in the control set exhibited a longer OS (48.0 vs. 25.2 months, HR, 0.50; P = 0.021). This association was further confirmed in a second validation cohort comprising refractory mCRC patients treated with cetuximab +/- irinotecan (PFS 8.7 vs. 3.7 months) in univariable (P = 0.033) and multivariable analyses (P = 0.046).Conclusions:GC rs4588 SNP might serve as a predictive marker in mCRC patients treated with FOLFIRI/bevacizumab or FOLFIRI/cetuximab. Whereas AA carriers derive a survival benefit with FOLFIRI/cetuximab, treatment with FOLFIRI/bevacizumab is associated with a worse outcome. Clin Cancer Res; 24(4); 784-93. (c)2017 AACR. PMID- 29208670 TI - Inhibition of ID1-BMPR2 Intrinsic Signaling Sensitizes Glioma Stem Cells to Differentiation Therapy. AB - Purpose: Normal stem cells tightly control self-renewal and differentiation during development, but their neoplastic counterparts, cancer stem cells (CSCs), sustain tumorigenicity both through aberrant activation of stemness and evasion of differentiation. Although regulation of CSC stemness has been extensively studied, the molecular mechanisms suppressing differentiation remain unclear.Experimental Design: We performed in silico screening and in vitro validation studies through Western blotting, qRT-PCR for treatment of WNT and SHH signaling inhibitors, and BMP signaling inducer with control and ID1 overexpressing cells. We also performed in vivo drug treatment assays with Balb/c nude mice.Results: Inhibitor of differentiation 1 (ID1) abrogated differentiation signals from bone morphogenetic protein receptor (BMPR) signaling in glioblastoma stem cells (GSCs) to promote self-renewal. ID1 inhibited BMPR2 expression through miRNAs, miR-17 and miR-20a, which are transcriptional targets of MYC. ID1 increases MYC expression by activating WNT and SHH signaling. Combined pharmacologic blockade of WNT and SHH signaling with BMP treatment significantly suppressed GSC self-renewal and extended survival of tumor-bearing mice.Conclusions: Collectively, our results suggested that ID1 simultaneously regulates stemness through WNT and SHH signaling and differentiation through BMPR mediated differentiation signaling in GSCs, informing a novel therapeutic strategy of combinatorial targeting of stemness and differentiation. Clin Cancer Res; 24(2); 383-94. (c)2017 AACR. PMID- 29208669 TI - Vimentin Is Required for Lung Adenocarcinoma Metastasis via Heterotypic Tumor Cell-Cancer-Associated Fibroblast Interactions during Collective Invasion. AB - Purpose: Vimentin is an epithelial-to-mesenchymal transition (EMT) biomarker and intermediate filament protein that functions during cell migration to maintain structure and motility. Despite the abundance of clinical data linking vimentin to poor patient outcome, it is unclear if vimentin is required for metastasis or is a correlative biomarker. We developed a novel genetically engineered mouse model (GEMM) to probe vimentin in lung adenocarcinoma metastasis.Experimental Design: We used the LSL-KrasG12D/Lkb1fl/fl/Vim-/- model (KLV-/-), which incorporates a whole-body knockout of vimentin and is derived from the Cre dependent LSL-KrasG12D/Lkb1fl/fl model (KLV+/+). We compared the metastatic phenotypes of the GEMMs and analyzed primary tumors from the KLV models and lung adenocarcinoma patients to assess vimentin expression and function.Results: Characterization of KLV+/+ and KLV-/- mice shows that although vimentin is not required for primary lung tumor growth, vimentin is required for metastasis, and vimentin loss generates lower grade primary tumors. Interestingly, in the KLV+/+ mice, vimentin was not expressed in tumor cells but in cancer-associated fibroblasts (CAFs) surrounding collective invasion packs (CIPs) of epithelial tumor cells, with significantly less CIPs in KLV-/- mice. CIPs correlate with tumor grade and are vimentin-negative and E-cadherin-positive, indicating a lack of cancer cell EMT. A similar heterotypic staining pattern was observed in human lung adenocarcinoma samples. In vitro studies show that vimentin is required for CAF motility to lead tumor cell invasion, supporting a vimentin-dependent model of collective invasion.Conclusions: These data show that vimentin is required for lung adenocarcinoma metastasis by maintaining heterotypic tumor cell-CAF interactions during collective invasion. Clin Cancer Res; 24(2); 420-32. (c)2017 AACR. PMID- 29208671 TI - CXCR4 Is a Potential Target for Diagnostic PET/CT Imaging in Barrett's Dysplasia and Esophageal Adenocarcinoma. AB - Purpose: Barrett's esophagus represents an early stage in carcinogenesis leading to esophageal adenocarcinoma. Considerable evidence supports a major role for chronic inflammation and diverse chemokine pathways in the development of Barrett's esophagus and esophageal adenocarcinoma.Experimental Design: Here we utilized an IL1beta transgenic mouse model of Barrett's esophagus and esophageal adenocarcinoma and human patient imaging to analyze the importance of CXCR4 expressing cells during esophageal carcinogenesis.Results: IL1beta overexpression induces chronic esophageal inflammation and recapitulates the progression to Barrett's esophagus and esophageal adenocarcinoma. CXCR4 expression is increased in both epithelial and immune cells during disease progression in pL2-IL1beta mice and also elevated in esophageal adenocarcinoma patient biopsy samples. Specific recruitment of CXCR4-positive (CXCR4+) immune cells correlated with dysplasia progression, suggesting that this immune population may be a key contributor to esophageal carcinogenesis. Similarly, with progression to dysplasia, there were increased numbers of CXCR4+ columnar epithelial cells at the squamocolumnar junction (SCJ). These findings were supported by stronger CXCR4-related signal intensity in ex vivo fluorescence imaging and autoradiography with advanced dysplasia. Pilot CXCR4-directed PET/CT imaging studies in patients with esophageal cancer demonstrate the potential utility of CXCR4 imaging for the diagnosis and staging of esophageal cancer.Conclusion: In conclusion, the recruitment of CXCR4+ immune cells and expansion of CXCR4+ epithelial cells in esophageal dysplasia and cancer highlight the potential of CXCR4 as a biomarker and molecular target for diagnostic imaging of the tumor microenvironment in esophageal adenocarcinoma. Clin Cancer Res; 24(5); 1048-61. (c)2017 AACR. PMID- 29208672 TI - CD271 Confers an Invasive and Metastatic Phenotype of Head and Neck Squamous Cell Carcinoma through the Upregulation of Slug. AB - Purpose: Head and neck squamous cell carcinoma (HNSCC) is comprised of heterogeneous populations of cells, and CD271 (NGFR; p75NTR) has been associated with a tumor-initiating cell subpopulation. This study assessed the role of CD271 in modulating metastatic behavior in HNSCC.Experimental Design: CD271 was overexpressed in murine and human oral squamous cell carcinoma cells to assess the impact of CD271 activation on the invasive and metastatic phenotype of these cells, using in vitro and orthotopic in vivo modeling. Treatment with human nerve growth factor (NGF) to activate CD271, as well as shRNA knockdown of the CD271 upregulated Snai2 expression, was used to assess the mechanism of the CD271 induced invasive phenotype. Relevance of CD271 expression in human HNSCC was evaluated in patient-derived xenografts (PDX) and primary human oral cancers, annotated with clinical behavior characteristics and survival data.Results: Forced expression of CD271 resulted in a more invasive and metastatic phenotype. Slug, an epithelial-to-mesenchymal transition (EMT)-related transcription factor, encoded by Snai2, was highly expressed in MOC2-CD271 and HSC3-CD271, compared with respective parental cells. CD271 activation by NGF conferred enhanced invasiveness in CD271-overexpressing cells, which was abrogated by Snai2 knockdown. In PDXs and primary human HNSCC, CD271 expression correlated with higher Snai2 expression, greater nodal metastasis, and shorter disease-free survival.Conclusions: Activation of CD271 results in upregulation of Snai2/Slug, which, in turn, results in a more invasive phenotype and an enhanced capacity for metastasis to regional lymph nodes. These findings point to CD271 as a promising, therapeutic target for oral cancer metastasis. Clin Cancer Res; 24(3); 674-83. (c)2017 AACR. PMID- 29208673 TI - Biomarkers of Primary Resistance to Trastuzumab in HER2-Positive Metastatic Gastric Cancer Patients: the AMNESIA Case-Control Study. AB - Purpose: Refining the selection of HER2-positive metastatic gastric cancer patient candidates for trastuzumab is a challenge of precision oncology. Preclinical studies have suggested several genomic mechanisms of primary resistance, leading to activation of tyrosine kinase receptors other than HER2 or downstream signaling pathways.Experimental Design: We carried out this multicenter, prospective, case-control study to demonstrate the negative predictive impact of a panel of candidate genomic alterations (AMNESIA panel), including EGFR/MET/KRAS/PI3K/PTEN mutations and EGFR/MET/KRAS amplifications. Hypothesizing a prevalence of candidate alterations of 30% and 0% in resistant and sensitive HER2-positive patients, respectively, 20 patients per group were needed.Results: AMNESIA panel alterations were significantly more frequent in resistant (11 of 20, 55%) as compared with sensitive (0% of 17) patients (P < 0.001), and in HER2 IHC 2+ (7 of 13, 53.8%) than 3+ (4 of 24, 16.7%) tumors (P = 0.028). Patients with tumors bearing no candidate alterations had a significantly longer median progression-free [5.2 vs. 2.6 months; HR, 0.34; 95% confidence interval (CI), 0.07-0.48; P = 0.001] and overall survival (16.1 vs. 7.6 months; HR, 0.38; 95% CI, 0.09-0.75; P = 0.015). The predictive accuracy of the AMNESIA panel and HER2 IHC was 76% and 65%, respectively. The predictive accuracy of the combined evaluation of the AMNESIA panel and HER2 IHC was 84%.Conclusions: Our panel of candidate genomic alterations may be clinically useful to predict primary resistance to trastuzumab in patients with HER2-positive metastatic gastric cancer and should be further validated with the aim of molecularly stratifying HER2-addicted cancers for the development of novel treatment strategies. Clin Cancer Res; 24(5); 1082-9. (c)2017 AACR. PMID- 29208674 TI - Molecular moieties masking Ca2+-dependent facilitation of voltage-gated Cav2.2 Ca2+ channels. AB - Voltage-gated Cav2.1 (P/Q-type) Ca2+ channels undergo Ca2+-dependent inactivation (CDI) and facilitation (CDF), both of which contribute to short-term synaptic plasticity. Both CDI and CDF are mediated by calmodulin (CaM) binding to sites in the C-terminal domain of the Cav2.1 alpha1 subunit, most notably to a consensus CaM-binding IQ-like (IQ) domain. Closely related Cav2.2 (N-type) channels display CDI but not CDF, despite overall conservation of the IQ and additional sites (pre IQ, EF-hand-like [EF] domain, and CaM-binding domain) that regulate CDF of Cav2.1. Here we investigate the molecular determinants that prevent Cav2.2 channels from undergoing CDF. Although alternative splicing of C-terminal exons regulates CDF of Cav2.1, the splicing of analogous exons in Cav2.2 does not reveal CDF. Transfer of sequences encoding the Cav2.1 EF, pre-IQ, and IQ together (EF-pre-IQ-IQ), but not individually, are sufficient to support CDF in chimeric Cav2.2 channels; Cav2.1 chimeras containing the corresponding domains of Cav2.2, either alone or together, fail to undergo CDF. In contrast to the weak binding of CaM to just the pre-IQ and IQ of Cav2.2, CaM binds to the EF-pre-IQ-IQ of Cav2.2 as well as to the corresponding domains of Cav2.1. Therefore, the lack of CDF in Cav2.2 likely arises from an inability of its EF-pre-IQ-IQ to transduce the effects of CaM rather than weak binding to CaM per se. Our results reveal a functional divergence in the CDF regulatory domains of Cav2 channels, which may help to diversify the modes by which Cav2.1 and Cav2.2 can modify synaptic transmission. PMID- 29208675 TI - Why attempt en bloc resection of non-pedunculated colorectal adenomas? A systematic review of the prevalence of superficial submucosal invasive cancer after endoscopic submucosal dissection. AB - OBJECTIVE: Endoscopic submucosal dissection (ESD) aims to achieve en bloc resection of non-pedunculated colorectal adenomas which might be indicated in cases with superficial submucosal invasive cancers (SMIC), but the procedure is time consuming and complex. The prevalence of such cancers is not known but may determine the clinical necessity for ESD as opposed to the commonly used piecemeal mucosal resection (endoscopic mucosal resection) of colorectal adenomas. The main aim was to assess the prevalence of SMIC SM1 (ie, invasion <=1000 um or less than one-third of the submucosa) on colorectal lesions removed by ESD. DESIGN: A literature review was conducted using electronic databases (up to March 2017) for colorectal ESD series reporting the histology of the dissected lesions. RESULTS: 51 studies with data on 11 260 colorectal dissected lesions were included. Most resected lesions (82.2%; 95% CI 78.8% to 85.3%) were adenomas (low- and high-grade dysplasia, 26.8% and 55.4%, respectively). Overall, 15.7% were submucosal cancers, but only slightly more than half (8.0%; 95% CI 6.1% to 10.3%) had an infiltration depth of <=1000 um, providing a number needed to treat (NNT) to avoid one surgery of 12.5. Estimating an oncologically curative (R0; G1/2; L0/V0) resection rate of 75.3% (95% CI 52.2% to 89.4%) for malignant lesions, the prevalence of curative resection lowered to 6% (95% CI 4.2% to 7.2%) with an NNT of 16.7. CONCLUSION: The low prevalence of SMIC SM1 in lesions selected for ESD as well as the even lower rate of curative resection limits the clinical applicability of endoscopic en bloc resection. This calls for caution over an indiscriminate use of this technique in the resection of colorectal neoplasia. PMID- 29208676 TI - Vonoprazan, aspirin and NSAIDs: new era in acid inhibition and gastroprotection. PMID- 29208677 TI - Intestinal organoid culture model is a valuable system to study epithelial barrier function in IBD. PMID- 29208678 TI - MicroRNA-100 Suppresses Chronic Vascular Inflammation by Stimulation of Endothelial Autophagy. AB - RATIONALE: The interaction of circulating cells within the vascular wall is a critical event in chronic inflammatory processes, such as atherosclerosis, but the control of the vascular inflammatory state is still largely unclear. OBJECTIVE: This study was undertaken to characterize the function of the endothelial-enriched microRNA miR-100 during vascular inflammation and atherogenesis. METHODS AND RESULTS: Based on a transcriptome analysis of endothelial cells after miR-100 overexpression, we identified miR-100 as a potent suppressor of endothelial adhesion molecule expression, resulting in attenuated leukocyte-endothelial interaction in vitro and in vivo as shown by flow cytometry and intravital imaging. Mechanistically, miR-100 directly repressed several components of mammalian target of rapamycin complex 1-signaling, including mammalian target of rapamycin and raptor, which resulted in a stimulation of endothelial autophagy and attenuated nuclear factor kappaB signaling in vitro and in vivo. In a low-density lipoprotein receptor-deficient atherosclerotic mouse model, pharmacological inhibition of miR-100 resulted in enhanced plaque lesion formation and a higher macrophage content of the plaque, whereas a systemic miR 100 replacement therapy had protective effects and attenuated atherogenesis, resulting in a decrease of plaque area by 45%. Finally, analysis of miR-100 expression in >70 samples obtained during carotid endarterectomy revealed that local miR-100 expression was inversely correlated with inflammatory cell content in patients. CONCLUSIONS: In summary, we describe an anti-inflammatory function of miR-100 in the vascular response to injury and inflammation and identify an important novel modulator of mammalian target of rapamycin signaling and autophagy in the vascular system. Our findings of miR-100 as a potential protective anti-athero-miR suggest that the therapeutic replacement of this microRNA could be a potential strategy for the treatment of chronic inflammatory diseases, such as atherosclerosis, in the future. PMID- 29208679 TI - TIME Trial: Effect of Timing of Stem Cell Delivery Following ST-Elevation Myocardial Infarction on the Recovery of Global and Regional Left Ventricular Function: Final 2-Year Analysis. AB - RATIONALE: The TIME trial (Timing in Myocardial Infarction Evaluation) was the first cell therapy trial sufficiently powered to determine if timing of cell delivery after ST-segment-elevation myocardial infarction affects recovery of left ventricular (LV) function. OBJECTIVE: To report the 2-year clinical and cardiac magnetic resonance imaging results and their modification by microvascular obstruction. METHODS AND RESULTS: TIME was a randomized, double blind, placebo-controlled trial comparing 150 million bone marrow mononuclear cells versus placebo in 120 patients with anterior ST-segment-elevation myocardial infarctions resulting in LV dysfunction. Primary end points included changes in global (LV ejection fraction) and regional (infarct and border zone) function. Secondary end points included changes in LV volumes, infarct size, and major adverse cardiac events. Here, we analyzed the continued trajectory of these measures out to 2 years and the influence of microvascular obstruction present at baseline on these long-term outcomes. At 2 years (n=85), LV ejection fraction was similar in the bone marrow mononuclear cells (48.7%) and placebo groups (51.6%) with no difference in regional LV function. Infarct size and LV mass decreased >=30% in each group at 6 months and declined gradually to 2 years. LV volumes increased ~10% at 6 months and remained stable to 2 years. Microvascular obstruction was present in 48 patients at baseline and was associated with significantly larger infarct size (56.5 versus 36.2 g), greater adverse LV remodeling, and marked reduction in LV ejection fraction recovery (0.2% versus 6.2%). CONCLUSIONS: In one of the longest serial cardiac magnetic resonance imaging analyses of patients with large anterior ST-segment-elevation myocardial infarctions, bone marrow mononuclear cells administration did not improve recovery of LV function over 2 years. Microvascular obstruction was associated with reduced recovery of LV function, greater adverse LV remodeling, and more device implantations. The use of cardiac magnetic resonance imaging leads to greater dropout of patients over time because of device implantation in patients with more severe LV dysfunction resulting in overestimation of clinical stability of the cohort. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00684021. PMID- 29208681 TI - HemITAM: A single tyrosine motif that packs a punch. AB - Innate immune cells sense danger through a plethora of germline-encoded receptors that recognize pathogen-associated molecular patterns (PAMPs) or cellular molecules that are exposed only by stressed, infected, malignant, or dead cells. Many of these danger-sensing receptors belong to the C-type lectin-like superfamily (CLSF) and therefore are called C-type lectin-like receptors (CTLRs). Certain activating CTLRs, namely, CLEC-2, Dectin-1, DNGR-1, NKp80, and NKp65, which are encoded by genes that are clustered together in a subregion of the mammalian natural killer gene complex (NKC), use a single copy tyrosine signaling module termed the hemi-immunoreceptor tyrosine-based activation motif (hemITAM). These hemITAM-bearing CTLRs are present on myeloid cells and innate lymphocytes and stimulate various functions, such as phagocytosis, cytokine production, and cytotoxicity. Proximal signaling mechanisms involve the tyrosine phosphorylation of the hemITAM and the subsequent activation of the kinase Syk. Signaling and Syk recruitment by the hemITAM appear to be tuned by variable amino acids within or near the hemITAM, which give rise to differences in downstream signaling events and diverging functional outcomes among hemITAM-bearing receptors. PMID- 29208680 TI - Subtle modifications to oxytocin produce ligands that retain potency and improved selectivity across species. AB - Oxytocin and vasopressin mediate various physiological functions that are important for osmoregulation, reproduction, cardiovascular function, social behavior, memory, and learning through four G protein-coupled receptors that are also implicated in high-profile disorders. Targeting these receptors is challenging because of the difficulty in obtaining ligands that retain selectivity across rodents and humans for translational studies. We identified a selective and more stable oxytocin receptor (OTR) agonist by subtly modifying the pharmacophore framework of human oxytocin and vasopressin. [Se-Se]-oxytocin-OH displayed similar potency to oxytocin but improved selectivity for OTR, an effect that was retained in mice. Centrally infused [Se-Se]-oxytocin-OH potently reversed social fear in mice, confirming that this action was mediated by OTR and not by V1a or V1b vasopressin receptors. In addition, [Se-Se]-oxytocin-OH produced a more regular contraction pattern than did oxytocin in a preclinical labor induction and augmentation model using myometrial strips from cesarean sections. [Se-Se]-oxytocin-OH had no activity in human cardiomyocytes, indicating a potentially improved safety profile and therapeutic window compared to those of clinically used oxytocin. In conclusion, [Se-Se]-oxytocin-OH is a novel probe for validating OTR as a therapeutic target in various biological systems and is a promising new lead for therapeutic development. Our medicinal chemistry approach may also be applicable to other peptidergic signaling systems with similar selectivity issues. PMID- 29208682 TI - The receptor tyrosine kinase EphA2 promotes glutamine metabolism in tumors by activating the transcriptional coactivators YAP and TAZ. AB - Malignant tumors reprogram cellular metabolism to support cancer cell proliferation and survival. Although most cancers depend on a high rate of aerobic glycolysis, many cancer cells also display addiction to glutamine. Glutamine transporters and glutaminase activity are critical for glutamine metabolism in tumor cells. We found that the receptor tyrosine kinase EphA2 activated the TEAD family transcriptional coactivators YAP and TAZ (YAP/TAZ), likely in a ligand-independent manner, to promote glutamine metabolism in cells and mouse models of HER2-positive breast cancer. Overexpression of EphA2 induced the nuclear accumulation of YAP and TAZ and increased the expression of YAP/TAZ target genes. Inhibition of the GTPase Rho or the kinase ROCK abolished EphA2 dependent YAP/TAZ nuclear localization. Silencing YAP or TAZ substantially reduced the amount of intracellular glutamate through decreased expression of SLC1A5 and GLS, respectively, genes that encode proteins that promote glutamine uptake and metabolism. The regulatory DNA elements of both SLC1A5 and GLS contain TEAD binding sites and were bound by TEAD4 in an EphA2-dependent manner. In patient breast cancer tissues, EphA2 expression positively correlated with that of YAP and TAZ, as well as that of GLS and SLC1A5 Although high expression of EphA2 predicted enhanced metastatic potential and poor patient survival, it also rendered HER2-positive breast cancer cells more sensitive to glutaminase inhibition. The findings define a previously unknown mechanism of EphA2-mediated glutaminolysis through YAP/TAZ activation in HER2-positive breast cancer and identify potential therapeutic targets in patients. PMID- 29208683 TI - IL-33 and ST2 mediate FAK-dependent antitumor immune evasion through transcriptional networks. AB - Focal adhesion kinase (FAK) mediates tumor cell-intrinsic behaviors that promote tumor growth and metastasis. We previously showed that FAK also induces the expression of inflammatory genes that inhibit antitumor immunity in the microenvironment. We identified a crucial, previously unknown role for the dual function cytokine interleukin-33 (IL-33) in FAK-dependent immune evasion. In murine squamous cell carcinoma (SCC) cells, specifically nuclear FAK enhanced the expression of the genes encoding IL-33, the chemokine CCL5, and the soluble, secreted form of the IL-33 receptor, called soluble ST2 (sST2). The abundance of IL-33 and CCL5 was increased in FAK-positive SCC cells but not in normal keratinocytes. IL-33 associated with FAK in the nucleus, and the FAK-IL-33 complex interacted with a network of chromatin modifiers and transcriptional regulators, including TAF9, WDR82, and BRD4, which promote the activity of nuclear factor kappaB (NF-kappaB) and its induction of genes encoding chemokines, including CCL5. We did not detect secretion of IL-33 from FAK-positive SCC cells; thus, we propose that the increased production and secretion of sST2 likely sequesters IL-33 secreted by other cell types within the tumor environment, thus blocking its stimulatory effects on infiltrating host immune cells. Depleting FAK, IL-33, or sST2 from SCC cells before implantation induced tumor regression in syngeneic mice, except when CD8+ T cells were co-depleted. Our data provide mechanistic insight into how FAK controls the tumor immune environment, namely, through a transcriptional regulatory network mediated by nuclear IL-33. Targeting this axis may boost antitumor immunity in patients. PMID- 29208684 TI - Central NPY-Y5 sub-receptor partially functions as a mediator of NPY-induced hypothermia and affords thermotolerance in heat-exposed fasted chicks. AB - Exposure of chicks to a high ambient temperature (HT) has previously been shown to increase neuropeptide Y (NPY) mRNA expression in the brain. Furthermore, it was found that NPY has anti-stress functions in heat-exposed fasted chicks. The aim of the study was to reveal the role of central administration of NPY on thermotolerance ability and the induction of heat-shock protein (HSP) and NPY sub receptors (NPYSRs) in fasted chicks with the contribution of plasma metabolite changes. Six- or seven-day-old chicks were centrally injected with 0 or 375 pmol of NPY and exposed to either HT (35 +/- 1 degrees C) or control thermoneutral temperature (CT: 30 +/- 1 degrees C) for 60 min while fasted. NPY reduced body temperature under both CT and HT NPY enhanced the brain mRNA expression of HSP-70 and -90, as well as of NPYSRs-Y5, -Y6, and -Y7, but not -Y1, -Y2, and -Y4, under CT and HT A coinjection of an NPYSR-Y5 antagonist (CGP71683) and NPY (375 pmol) attenuated the NPY-induced hypothermia. Furthermore, central NPY decreased plasma glucose and triacylglycerol under CT and HT and kept plasma corticosterone and epinephrine lower under HT NPY increased plasma taurine and anserine concentrations. In conclusion, brain NPYSR-Y5 partially afforded protective thermotolerance in heat-exposed fasted chicks. The NPY-mediated reduction in plasma glucose and stress hormone levels and the increase in free amino acids in plasma further suggest that NPY might potentially play a role in minimizing heat stress in fasted chicks. PMID- 29208685 TI - Nonmuscle myosin 2 proteins encoded by Myh9, Myh10, and Myh14 are uniquely distributed in the tubular segments of murine kidney. AB - The diverse epithelial cell types of the kidneys are segregated into nephron segments and the collecting ducts in order to endow each tubular segment with unique functions. The rich diversity of the epithelial cell types is highlighted by the unique membrane channels and receptors expressed within each nephron segment. Our previous work identified a critical role for Myh9 and Myh10 in mammalian endocytosis. Here, we examined the expression patterns of Nonmuscle myosin 2 (NM2) heavy chains encoded by Myh9, Myh10, and Myh14 in mouse kidneys as these genes may confer unique nephron segment-specific membrane transport properties. Interestingly, we found that each segment of the renal tubules predominately expressed only two of the three NM2 isoforms, with isoform-specific subcellular localization, and different levels of expression within a nephron segment. Additionally, we identify Myh14 to be restricted to the intercalated cells and Myh10 to be restricted to the principal cells within the collecting ducts and connecting segments. We speculate that the distinct expression pattern of the NM2 proteins likely reflects the diversity of the intracellular trafficking machinery present within the different renal tubular epithelial segments. PMID- 29208686 TI - Effects of growth hormone administration on luteinizing hormone secretion in healthy older men and women. AB - The known interactions between the somatotropic and hypothalamic-pituitary gonadal (HPG) axes have not been well delineated in older individuals. Aging associated decline in insulin like growth factor-1 (IGF-1) levels has been proposed to play a role in reproductive senescence in animals. However, the effects of GH on LH secretion are unknown in older individuals. Our objective was to determine whether GH modulates LH secretion or levels of sex steroids (SS) in healthy older (ages 65-88 years) men (n = 24) and women (n = 24) with low-normal plasma IGF-1 levels. In a double-masked, placebo-controlled (n = 24), randomized study, we evaluated the effects of GH (n = 24, 20 MUg/kg sc 3*/week) for 26 weeks on nocturnal LH secretory dynamics [(8 pm to 8 am, Q20) min sampling and analyzed by multiparameter deconvolution algorithm]. Indices of LH secretion [frequency, mass per burst, pulsatile production rate, and approximate entropy (ApEn)] and fasting serum IGF-1, SHBG, and SS (TT, fT, or E2) were measured. At baseline, all indices of LH secretion (frequency, mass per burst, pulsatile production rate) were inversely (P < 0.05) related to IGF-1, but not to mean nocturnal serum GH concentrations. GH administration for 26 weeks increased serum IGF-1, but exerted no significant effects on LH secretory dynamics, or concentrations of SSs (TT, fT, or E2) or SHBG in older women or men. These data suggest that GH-mediated increases in IGF-1 do not modulate the HPG axis in older individuals. PMID- 29208688 TI - The impact of acute bouts of interval and continuous walking on energy-intake and appetite regulation in subjects with type 2 diabetes. AB - In healthy subjects, it has been suggested that exercise may acutely suppress energy-intake and appetite, with peak intensity being an important determinant for this effect. In subjects with type 2 diabetes (T2D), the effect of exercise on appetite-related variables is, however, virtually unknown. We aimed to assess the effects of two exercise interventions, differing with regards to peak intensity, on energy-intake, satiety and appetite-related hormones in subjects with T2D. Thirteen subjects with T2D completed three 60-min interventions with continuous measurement of oxygen consumption in a randomized and counterbalanced order: (1) Control, (2) Continuous walking (CW; intended 73% of VO2peak), (3) Interval-walking (IW; repeated cycles of 3 min slow [54% of VO2peak] and 3 min fast walking [89% of VO2peak]). Forty-five minutes after completion of the intervention, a 3-h liquid mixed meal tolerance test (MMTT, 450 kcal) with regular satiety assessments and blood samples for appetite-related hormones commenced. An ad libitum meal was served after the MMTT, with subsequent calculation of energy-intake. Moreover, free-living diet records were completed for the following ~32 h. Exercise interventions were well-matched for mean oxygen consumption (CW = 77 +/- 2% of VO2peak; IW = 76 +/- 1% of VO2peak, P > 0.05). No differences in appetite-related hormones or energy-intake were found (P > 0.05 for all comparisons). IW increased fullness compared to Control shortly after the intervention (P < 0.05) and tended to reduce hunger 2 h into the MMTT compared to CW and Control (P < 0.10). In conclusion, a single exercise session does not affect energy-intake during the following ~4-36 h in subjects with T2D. However, satiety may be affected up to ~3 h after the exercise session, dependent on peak intensity. PMID- 29208687 TI - Increased autophagy signaling but not proteasome activity in human skeletal muscle after prolonged low-intensity exercise with negative energy balance. AB - Little is known about the molecular regulation of skeletal muscle protein turnover during exercise in field conditions where energy is intake inadequate. Here, 17 male and 7 female soldiers performed an 8 days long field-based military operation. Vastus lateralis muscle biopsies, in which autophagy, the ubiquitin proteasome system, and the mTORC1 signaling pathway were studied, were collected before and after the operation. The 187 h long operation resulted in a 15% and 29% negative energy balance as well as a 4.1% and 4.6% loss of body mass in women and men, respectively. After the operation protein levels of ULK1 as well as the phosphorylation of ULK1Ser317 and ULK1Ser555 had increased by 11%, 39%, and 13%, respectively, and this was supported by a 17% increased phosphorylation of AMPKThr172 (P < 0.05). The LC3b-I/II ratio was threefold higher after compared to before the operation (P < 0.05), whereas protein levels of p62/SQSTM1 were unchanged. The beta1, beta2, and beta5 activity of the proteasome and protein levels of MAFbx did not change, whereas levels of MuRF-1 were slightly reduced (6%, P < 0.05). Protein levels and phosphorylation status of key components in the mTORC1 signaling pathway remained at basal levels after the operation. Muscle levels of glycogen decreased from 269 +/- 12 to 181 +/- 9 mmol.kg dry.muscle-1 after the exercise period (P < 0.05). In conclusion, the 8 days of field-based exercise resulted in induction of autophagy without any increase in proteasome activity or protein ubiquitination. Simultaneously, the regulation of protein synthesis through the mTORC1 signaling pathway was maintained. PMID- 29208690 TI - Aortic hemodynamics in postmenopausal women following cessation of hormone therapy. AB - Central (aortic) blood pressure and aortic pulse wave characteristics are measures of cardiovascular health, predictive of cardiovascular mortality. Previous studies have compared aortic hemodynamics in women who do and do not take menopausal hormone therapy, but characteristics of these parameters following cessation of treatment have not been defined. Therefore, the purpose of this study was to define aortic pulse wave characteristics in postmenopausal women with and without a history of menopausal hormone therapy use. Pulse wave analysis was conducted on 67 women who had participated in the randomized, double blind, placebo-controlled Kronos Early Estrogen Prevention Study (KEEPS), 3 years subsequent to the four-year treatment period. Treatment was oral conjugated equine estrogen (0.45 mg/day; n = 18); transdermal 17beta-estradiol (50 MUg/day; n = 23) each with oral micronized progesterone (Prometrium 200 mg); and placebo pills and patch (n = 26). At post-treatment, median age (60 years) and body mass index (27 kg/m2) did not differ across prior treatment assignment. Aortic blood pressures (median systolic 115 mm Hg and diastolic 76 mm Hg) and augmentation index (median 33%) did not differ among women across prior treatment assignment. These results suggest that these doses and formulations of menopausal hormone therapy had no long-term effects on central vascular function 3 years after cessation of treatment. PMID- 29208689 TI - Gestation changes sodium pump isoform expression, leading to changes in ouabain sensitivity, contractility, and intracellular calcium in rat uterus. AB - Developmental and tissue-specific differences in isoforms allow Na+, K+-ATPase function to be tightly regulated, as they control sensitivity to ions and inhibitors. Uterine contraction relies on the activity of the Na+, K+ATPase, which creates ionic gradients that drive excitation-contraction coupling. It is unknown whether Na+, K+ATPase isoforms are regulated throughout pregnancy or whether they have a direct role in modulating uterine contractility. We hypothesized that gestation-dependent differential expression of isoforms would affect contractile responses to Na+, K+ATPase alpha subunit inhibition with ouabain. Our aims were therefore: (1) to determine the gestation-dependent expression of mRNA transcripts, protein abundance and tissue distribution of Na+, K+ATPase isoforms in myometrium; (2) to investigate the functional effects of differential isoform expression via ouabain sensitivity; and (3) if changes in contractile responses can be explained by changes in intracellular [Ca2+]. Changes in abundance and distribution of the Na+, K+ATPase alpha, beta and FXYD1 and 2 isoforms, were studied in rat uterus from nonpregnant, and early, mid-, and term gestation. All alpha, beta subunit isoforms (1,2,3) and FXYD1 were detected but FXYD2 was absent. The alpha1 and beta1 isoforms were unchanged throughout pregnancy, whereas alpha2 and alpha3 significant decreased at term while beta2 and FXYD1 significantly increased from mid-term onwards. These changes in expression correlated with increased functional sensitivity to ouabain, and parallel changes in intracellular Ca2+, measured with Indo-1. In conclusion, gestation induces specific regulatory changes in expression of Na+, K+ATPase isoforms in the uterus which influence contractility and may be related to the physiological requirements for successful pregnancy and delivery. PMID- 29208691 TI - Inhibition of nitric oxide synthase unmasks vigorous vasoconstriction in established pulmonary arterial hypertension. AB - It is widely accepted that impaired bioavailability of endothelial nitric oxide (NO) plays a critical role in the pathophysiology of pulmonary arterial hypertension (PAH). However, there are published data that show that relatively many PAH patients respond favorably to acetylcholine-induced pulmonary vasodilation during their follow-up period, when diverse stages of the disorder are included. We hypothesized that NO bioavailability varies depending on the progression of PAH Adult rats were exposed to the VEGF receptor blocker Sugen5416 and 3 weeks of hypoxia followed by return to normoxia for various additional weeks. All rats developed increased right ventricular systolic pressure (RVSP) and occlusive lesion formation at 1, 3, 5, and 8 weeks after the Sugen5416 injection. Acute NO synthase blockade did not change the elevated RVSP at the 1 week time point, while it further increased RVSP markedly at the 3-, 5-, and 8 week time points, leading to death in all rats tested at 8 weeks. Acetylcholine caused significant reduction in RVSP at the 8-week but not the 1-week time point, whereas sodium nitroprusside decreased the pressure similarly at both time points. Increased NO-mediated cGMP production was found in lungs from the 8-week but not the 1-week time point. In conclusion, despite its initial impairment, NO bioavailability is restored and endogenous NO plays a critical protective role by counteracting severe pulmonary vasoconstriction in established stages of PAH in the Sugen5416/hypoxia/normoxia-exposed rats. Our results provide solid pharmacological evidence for a major contribution of a NO-suppressed vasoconstrictor component in the pathophysiology of established PAH. PMID- 29208692 TI - Exercise-induced irisin release as a determinant of the metabolic response to exercise training in obese youth: the EXIT trial. AB - The mechanisms underlying the metabolic improvements following aerobic exercise training remain poorly understood. The primary aim of this study was to determine if an adipomyokine, irisin, responded to acute exercise was associated with the metabolic adaptations to chronic aerobic exercise in obese youth. The acute response to exercise was assessed in 11 obese youth following 45-min acute bouts of aerobic (AE) and resistance exercise (RE). The irisin area under the curve (pre-exercise, 15, 30, and 45 min) during these AE sessions were the main exposure variables. The primary outcome measure was the change in insulin sensitivity using the Matsuda index, following 6 weeks of RE training, delivered for 45 min, three times per week at 60-65% 1RM. Participants were also categorized as either responders (above) or nonresponders (below) based on the percentage change in the Matsuda index following the 6-week intervention. Irisin increased significantly during the acute bout of AE from 29.23 +/- 6.96 to 39.30 +/- 7.05 ng/mL; P = 0.028, but not significantly during the RE session (P = 0.182). Absolute and relative change in irisin during the acute bout of AE was associated with absolute and relative change in Matsuda index (r = 0.68; P = 0.022 and r = 0.63; P = 0.037) following the 6-week RE intervention. No such association was observed with the irisin response to acute RE (all P > 0.05). Responders to the 6-week RE intervention displayed a fourfold greater irisin response to acute AE (90.0 +/- 28.0% vs. 22.8 +/- 18.7%; P = 0.024) compared to nonresponders. Irisin increases significantly following an acute bout of AE, but not RE, and this response is associated with a greater improvement in insulin sensitivity in response to chronic resistance training. PMID- 29208694 TI - Variation in Care and Clinical Outcomes in Children Hospitalized With Orbital Cellulitis. AB - OBJECTIVES: To describe variation in the care of children hospitalized with orbital cellulitis and to determine associations with length of stay (LOS), emergency department (ED) revisits, and hospital readmissions. METHODS: By using the Pediatric Health Information System, we performed a multicenter, retrospective study of children aged 2 months to 18 years with a primary International Classification of Diseases, Ninth Revision, Clinical Modification discharge diagnosis code for orbital cellulitis from 2007 to 2014. We assessed hospital-level variation in the use of diagnostic tests, corticosteroids, and antibiotics individually and in aggregate for association with outcomes (LOS, ED revisits, readmissions) after risk-adjusting for important clinical and demographic factors. RESULTS: A total of 1828 children met inclusion criteria. Complete blood cell counts (median [interquartile range]: 81.8% [66.7-89.6]), C reactive protein levels (57.1% [22.2-84.0]), blood cultures (57.9% [48.9-63.6]), and computed tomography imaging (74.7% [66.7-81.0]) were the most frequently performed diagnostic tests, with significant variation observed across hospitals (all P < .001). Corticosteroids were used in 29.2% of children (interquartile range: 18.4-37.5). There was significant variation in antibiotic exposure across hospitals (P < .001). Increased total diagnostic test usage was associated with increased LOS (P = .044), but not with 30-day ED revisits (P = .176) or readmissions (P = .403). CONCLUSIONS: Children hospitalized with orbital cellulitis experience wide variation in clinical management. Increased hospital level usage is associated with increased LOS. Our findings highlight a critical need to identify treatment strategies that optimize resource use and outcomes for children hospitalized with orbital cellulitis. PMID- 29208693 TI - Dysregulation of junctional adhesion molecule-A contributes to ethanol-induced barrier disruption in intestinal epithelial cell monolayers. AB - Alcohol consumption promotes loss of intestinal barrier function. However, mechanisms by which ethanol affects the tight junction (TJ), the cellular structure responsible for maintaining the gut epithelial barrier, are not well understood. Three classes of transmembrane proteins comprise TJs: occludin, claudins, and junctional adhesion molecules (JAMs). It has recently been postulated that JAM-A (F11R), the most abundant JAM expressed in intestinal epithelium, regulates "leak" pathway flux, a paracellular route for the nonselective permeation of large solutes. Since transluminal flux of many gut derived antigens occurs through this pathway, we investigated the role of JAM-A in ethanol-induced disruption of the intestinal epithelial barrier. Using Caco-2 and SK-CO15 monolayers, we found that ethanol induced a dose- and time-dependent decrease in JAM-A protein expression to about 70% of baseline levels. Alcohol also reduced Ras-related protein 2 (Rap2) activity, and enhanced myosin light chain kinase (MLCK) activity, changes consistent with impaired JAM-A signaling. Stable overexpression and shRNA-mediated knockdown of JAM-A were employed to investigate the role of JAM-A in paracellular-mediated flux following alcohol exposure. The paracellular flux of 40-kDa fluorescein isothiocynate (FITC) dextran following ethanol treatment was decreased by the overexpression of JAM-A; conversely, flux was enhanced by JAM-A knockdown. Thus, we conclude that ethanol mediated control of JAM-A expression and function contributes to mechanisms by which this chemical induces intestinal epithelial leakiness. PMID- 29208695 TI - 2017 Jack Kenney Award for Outstanding Service. PMID- 29208696 TI - Acetyl-CoA carboxylase 1 regulates endothelial cell migration by shifting the phospholipid composition. AB - The enzyme acetyl-CoA carboxylase (ACC) plays a crucial role in fatty acid metabolism. In recent years, ACC has been recognized as a promising drug target for treating different diseases. However, the role of ACC in vascular endothelial cells (ECs) has been neglected so far. To characterize the role of ACC, we used the ACC inhibitor, soraphen A, as a chemical tool, and also a gene silencing approach. We found that ACC1 was the predominant isoform in human umbilical vein ECs as well as in human microvascular ECs and that soraphen A reduced the levels of malonyl-CoA. We revealed that ACC inhibition shifted the lipid composition of EC membranes. Accordingly, membrane fluidity, filopodia formation, and migratory capacity were reduced. The antimigratory action of soraphen A depended on an increase in the cellular proportion of PUFAs and, most importantly, on a decreased level of phosphatidylglycerol. Our study provides a causal link between ACC, membrane lipid composition, and cell migration in ECs. Soraphen A represents a useful chemical tool to investigate the role of fatty acid metabolism in ECs and ACC inhibition offers a new and valuable therapeutic perspective for the treatment of EC migration-related diseases. PMID- 29208697 TI - Simultaneous lipidomic and transcriptomic profiling in mouse brain punches of acute epileptic seizure model compared to controls. AB - In this study, we report the development of a dual extraction protocol for RNA and lipids, including phospholipids, endocannabinoids, and arachidonic acid, at high spatial resolution, e.g., brain punches obtained from whole frozen brains corresponding to four brain subregions: dorsal hippocampus, ventral hippocampus, basolateral amygdala, and hypothalamus. This extraction method combined with LC/multiple reaction monitoring for lipid quantifi-cation and quantitative PCR for RNA investigation allows lipidomic and transcriptomic profiling from submilligram amounts of tissue, thus benefiting the time and animal costs for analysis and the data reliability due to prevention of biological variability between animal batches and/or tissue heterogeneity, as compared with profiling in distinct animal batches. Moreover, the method allows a higher extraction efficiency and integrity preservation for RNA, while allowing concurrently quantitative analysis of low and high abundant lipids. The method was applied for brain punches obtained 1 h after kainic acid-induced epileptic seizures in mice (n = 10) compared with controls (n = 10), and enabled the provision of valuable new insights into the subregional lipid and RNA changes with epilepsy, highlighting its potential as a new viable tool in quantitative neurobiology. PMID- 29208698 TI - Arginine 123 of apolipoprotein A-I is essential for lecithin:cholesterol acyltransferase activity. AB - ApoA-I activates LCAT that converts lipoprotein cholesterol to cholesteryl ester (CE). Molecular dynamic simulations suggested earlier that helices 5 of two antiparallel apoA-I molecules on discoidal HDL form an amphipathic tunnel for migration of acyl chains and unesterified cholesterol to the active sites of LCAT. Our recent crystal structure of Delta(185-243)apoA-I showed the tunnel formed by helices 5/5, with two positively charged residues arginine 123 positioned at the edge of the hydrophobic tunnel. We hypothesized that these uniquely positioned residues Arg123 are poised for interaction with fatty acids produced by LCAT hydrolysis of the sn-2 chains of phosphatidylcholine, thus positioning the fatty acids for esterification to cholesterol. To test the importance of Arg123 for LCAT phospholipid hydrolysis and CE formation, we generated apoA-I[R123A] and apoA-I[R123E] mutants and made discoidal HDL with the mutants and WT apoA-I. Neither mutation of Arg123 changed the particle composition or size, or the protein conformation or stability. However, both mutations of Arg123 significantly reduced LCAT catalytic efficiency and the apparent Vmax for CE formation without affecting LCAT phospholipid hydrolysis. A control mutation, apoA-I[R131A], did not affect LCAT phospholipid hydrolysis or CE formation. These data suggest that Arg123 of apoA-I on discoidal HDL participates in LCAT-mediated cholesterol esterification. PMID- 29208699 TI - Regulation of fatty acid trafficking in liver by thioesterase superfamily member 1. AB - Thioesterase superfamily member 1 (Them1) is an acyl-CoA thioesterase that is highly expressed in brown adipose tissue, where it functions to suppress energy expenditure. Lower Them1 expression levels in the liver are upregulated in response to high-fat feeding. Them1-/- mice are resistant to diet-induced obesity, hepatic steatosis, and glucose intolerance, but the contribution of Them1 in liver is unclear. To examine its liver-specific functions, we created conditional transgenic mice, which, when bred to Them1-/- mice and activated, expressed Them1 exclusively in the liver. Mice with liver-specific Them1 expression exhibited no changes in energy expenditure. Rates of fatty acid oxidation were increased, whereas hepatic VLDL triglyceride secretion rates were decreased by hepatic Them1 expression. When fed a high-fat diet, Them1 expression in liver promoted excess steatosis in the setting of reduced rates of fatty acid oxidation and preserved glycerolipid synthesis. Liver-specific Them1 expression did not influence glucose tolerance or insulin sensitivity, but did promote hepatic gluconeogenesis in high-fat-fed animals. This was attributable to the generation of excess fatty acids, which activated PPARalpha and promoted expression of gluconeogenic genes. These findings reveal a regulatory role for Them1 in hepatocellular fatty acid trafficking. PMID- 29208700 TI - Hypertension-evoked RhoA activity in vascular smooth muscle cells requires RGS5. AB - G protein-mediated signaling plays a decisive role in blood pressure regulation and the phenotype of vascular smooth muscle cells (VSMCs); however, the relevance of proteins that restrict G protein activity is not well characterized in this context. Here, we investigated the influence of regulator of G protein signaling 5 (RGS5), an inhibitor of Galphaq/11 and Galphai/o activity, on blood pressure and the VSMC phenotype during experimental hypertension. In mice, loss of RGS5 did not affect baseline blood pressure, but prevented hypertension-induced structural remodeling. RGS5-deficient arterial VSMCs did not acquire a synthetic phenotype as evidenced by their inability to decrease the abundance of contractile markers-alpha-smooth muscle actin and smooth muscle-myosin heavy chain-or to proliferate under these conditions. Mechanistically, hypertensive pressure levels or biomechanical stretch are sufficient to increase the expression of RGS5. Loss of RGS5 severely impairs the activation of RhoA and stress fiber formation. In stretch-exposed VSMCs, RhoA activity was amplified upon inhibition of PKC, which mimics the downstream effects evoked by RGS5 mediated inhibition of Galphaq/11 signaling. Collectively, our findings underline that RhoA activation may depend on the restriction of G protein activity and identify RGS5 as a mechanosensitive regulatory protein that is required to promote the synthetic VSMC phenotype as a prerequisite for structural renovation of the arterial wall during hypertension.-Arnold, C., Demirel, E., Feldner, A., Genove, G., Zhang, H., Sticht, C., Wieland, T., Hecker, M., Heximer, S., Korff, T. Hypertension-evoked RhoA activity in vascular smooth muscle cells requires RGS5. PMID- 29208701 TI - Interleukin-23 regulates interleukin-17 expression in wounds, and its inhibition accelerates diabetic wound healing through the alteration of macrophage polarization. AB - Inflammation is a critical phase in the healing of skin wounds. Excessive inflammation and inflammatory macrophages are known to cause impaired wound closure and outcome. This prompted us to test the role of IL-23 in IL-17 expression and in modulating wound inflammation and macrophage polarization. Full thickness wounds (4 * 6 mm) were created on the dorsal surface of multiple genetically modified mouse models. Obese diabetic mouse wounds were treated with anti-IL-17A, anti-IL-23, or isotype-matched antibodies. We found IL-23- but not IL-12-deficient mice displayed significantly reduced IL-17 expression in wounds. This was rescued by delivery of recombinant IL-23. IL-23- and IL-17-deficient mice showed a significant increase in noninflammatory macrophages. Obese diabetic mice treated with anti-IL-17A and anti-IL-23p19 blocking antibodies had significantly improved wound reepithelialization. Similarly, IL-17-/- obese mice had accelerated wound closure, resulting in reduced iNOS expression and inflammatory macrophages while maintaining prohealing CD206 and lymphatic vessel endothelial hyaluronic acid receptor 1 (LYVE1)-expressing macrophages. This study highlights the importance of the IL-17 pathway in wound closure offering new possibilities of therapeutic intervention in chronic wounds.-Lee, J., Rodero, M. P., Patel, J., Moi, D., Mazzieri, R., Khosrotehrani, K. Interleukin-23 regulates interleukin-17 expression in wounds, and its inhibition accelerates diabetic wound healing through the alteration of macrophage polarization. PMID- 29208702 TI - Biochemistry and structural studies of kynurenine 3-monooxygenase reveal allosteric inhibition by Ro 61-8048. AB - The human kynurenine 3-monooxygenase (hKMO) is a potential therapeutic target for neurodegenerative and neurologic disorders. Inhibition of KMO by Ro 61-8048, a potent, selective, and the most widely used inhibitor of KMO, was shown effective in various models of neurodegenerative or neurologic disorders. However, the molecular basis of hKMO inhibition by Ro 61-8048 is not clearly understood. Here, we report biochemistry studies on hKMO and crystal structures of an hKMO homolog, pfKMO from Pseudomonas fluorescens, in complex with the substrate l-kynurenine and Ro 61-8048. We found that the C-terminal ~110 aa are essential for the enzymatic activity of hKMO and the homologous C-terminal region of pfKMO folds into a distinct, all-alpha-helical domain, which associates with the N-terminal catalytic domain to form a unique tunnel in proximity to the substrate-binding pocket. The tunnel binds the Ro 61-8048 molecule, which fills most of the tunnel, and Ro 61-8048 is hydrogen bonded with several completely conserved residues, including an essential catalytic residue. Modification of Ro 61-8048 and biochemical studies of the modified Ro 61-8048 derivatives suggested that Ro 61 8048 inhibits the enzyme in an allosteric manner by affecting the conformation of the essential catalytic residue and by blocking entry of the substrate or product release. The unique binding sites distinguish Ro 61-8048 as a noncompetitive and highly selective inhibitor from other competitive inhibitors, which should facilitate further optimization of Ro 61-8048 and the development of new inhibitory drugs to hKMO.-Gao, J., Yao, L., Xia, T., Liao, X., Zhu, D., Xiang, Y. Biochemistry and structural studies of kynurenine 3-monooxygenase reveal allosteric inhibition by Ro 61-8048. PMID- 29208704 TI - Increased Phosphorylation of Ser-Gln Sites on SUPPRESSOR OF GAMMA RESPONSE1 Strengthens the DNA Damage Response in Arabidopsis thaliana. AB - The Arabidopsis thaliana transcription factor SUPPRESSOR OF GAMMA RESPONSE1 (SOG1) regulates hundreds of genes in response to DNA damage, and this results in the activation of cell cycle arrest, DNA repair, endoreduplication, and programmed cell death. However, it is not clear how this single transcription factor regulates each of these pathways. We previously reported that phosphorylation of five Ser-Gln (SQ) motifs in the C-terminal region of SOG1 are required to activate downstream pathways. In this study, we introduced Ser-to-Ala (AQ) substitutions in these five SQ motifs to progressively eliminate them and then we examined the effects on DNA damage responses. We found that all SQs are required for the full activation of SOG1 and that the expression level of most downstream genes changed incrementally depending on the number of phosphorylated SQ sites. Genes involved in DNA repair and cell cycle progression underwent stepwise activation and inhibition respectively as the number of phosphorylated SQ sites increased. Also, inhibition of DNA synthesis, programmed cell death, and cell differentiation were incrementally induced as the number of phosphorylated SQ sites increased. These results show that the extent of SQ phosphorylation in SOG1 regulates gene expression levels and determines the strength of DNA damage responses. PMID- 29208703 TI - DISTAG/TBCCd1 Is Required for Basal Cell Fate Determination in Ectocarpus. AB - Brown algae are one of the most developmentally complex groups within the eukaryotes. As in many land plants and animals, their main body axis is established early in development, when the initial cell gives rise to two daughter cells that have apical and basal identities, equivalent to shoot and root identities in land plants, respectively. We show here that mutations in the Ectocarpus DISTAG (DIS) gene lead to loss of basal structures during both the gametophyte and the sporophyte generations. Several abnormalities were observed in the germinating initial cell in dis mutants, including increased cell size, disorganization of the Golgi apparatus, disruption of the microtubule network, and aberrant positioning of the nucleus. DIS encodes a TBCCd1 protein, which has a role in internal cell organization in animals, Chlamydomonas reinhardtii, and trypanosomes. Our study highlights the key role of subcellular events within the germinating initial cell in the determination of apical/basal cell identities in a brown alga and emphasizes the remarkable functional conservation of TBCCd1 in regulating internal cell organization across extremely distant eukaryotic groups. PMID- 29208705 TI - An amazing meeting arrangement on messenger RNA genes. PMID- 29208706 TI - miPrimer: an empirical-based qPCR primer design method for small noncoding microRNA. AB - MicroRNAs (miRNAs) are 18-25 nucleotides (nt) of highly conserved, noncoding RNAs involved in gene regulation. Because of miRNAs' short length, the design of miRNA primers for PCR amplification remains a significant challenge. Adding to the challenge are miRNAs similar in sequence and miRNA family members that often only differ in sequences by 1 nt. Here, we describe a novel empirical-based method, miPrimer, which greatly reduces primer dimerization and increases primer specificity by factoring various intrinsic primer properties and employing four primer design strategies. The resulting primer pairs displayed an acceptable qPCR efficiency of between 90% and 110%. When tested on miRNA families, miPrimer designed primers are capable of discriminating among members of miRNA families, as validated by qPCR assays using Quark Biosciences' platform. Of the 120 miRNA primer pairs tested, 95.6% and 93.3% were successful in amplifying specifically non-family and family miRNA members, respectively, after only one design trial. In summary, miPrimer provides a cost-effective and valuable tool for designing miRNA primers. PMID- 29208707 TI - Recurring infection with ecologically distinct HPV types can explain high prevalence and diversity. AB - The high prevalence of human papillomavirus (HPV), the most common sexually transmitted infection, arises from the coexistence of over 200 genetically distinct types. Accurately predicting the impact of vaccines that target multiple types requires understanding the factors that determine HPV diversity. The diversity of many pathogens is driven by type-specific or "homologous" immunity, which promotes the spread of variants to which hosts have little immunity. To test for homologous immunity and to identify mechanisms determining HPV transmission, we fitted nonlinear mechanistic models to longitudinal data on genital infections in unvaccinated men. Our results provide no evidence for homologous immunity, instead showing that infection with one HPV type strongly increases the risk of infection with that type for years afterward. For HPV16, the type responsible for most HPV-related cancers, an initial infection increases the 1-year probability of reinfection by 20-fold, and the probability of reinfection remains 14-fold higher 2 years later. This increased risk occurs in both sexually active and celibate men, suggesting that it arises from autoinoculation, episodic reactivation of latent virus, or both. Overall, our results suggest that high HPV prevalence and diversity can be explained by a combination of a lack of homologous immunity, frequent reinfections, weak competition between types, and variation in type fitness between host subpopulations. Because of the high risk of reinfection, vaccinating boys who have not yet been exposed may be crucial to reduce prevalence, but our results suggest that there may also be large benefits to vaccinating previously infected individuals. PMID- 29208708 TI - Aminoglycoside interactions and impacts on the eukaryotic ribosome. AB - Aminoglycosides are chemically diverse, broad-spectrum antibiotics that target functional centers within the bacterial ribosome to impact all four principle stages (initiation, elongation, termination, and recycling) of the translation mechanism. The propensity of aminoglycosides to induce miscoding errors that suppress the termination of protein synthesis supports their potential as therapeutic interventions in human diseases associated with premature termination codons (PTCs). However, the sites of interaction of aminoglycosides with the eukaryotic ribosome and their modes of action in eukaryotic translation remain largely unexplored. Here, we use the combination of X-ray crystallography and single-molecule FRET analysis to reveal the interactions of distinct classes of aminoglycosides with the 80S eukaryotic ribosome. Crystal structures of the 80S ribosome in complex with paromomycin, geneticin (G418), gentamicin, and TC007, solved at 3.3- to 3.7-A resolution, reveal multiple aminoglycoside-binding sites within the large and small subunits, wherein the 6'-hydroxyl substituent in ring I serves as a key determinant of binding to the canonical eukaryotic ribosomal decoding center. Multivalent binding interactions with the human ribosome are also evidenced through their capacity to affect large-scale conformational dynamics within the pretranslocation complex that contribute to multiple aspects of the translation mechanism. The distinct impacts of the aminoglycosides examined suggest that their chemical composition and distinct modes of interaction with the ribosome influence PTC read-through efficiency. These findings provide structural and functional insights into aminoglycoside-induced impacts on the eukaryotic ribosome and implicate pleiotropic mechanisms of action beyond decoding. PMID- 29208710 TI - Transverse fields to tune an Ising-nematic quantum phase transition. AB - The paradigmatic example of a continuous quantum phase transition is the transverse field Ising ferromagnet. In contrast to classical critical systems, whose properties depend only on symmetry and the dimension of space, the nature of a quantum phase transition also depends on the dynamics. In the transverse field Ising model, the order parameter is not conserved, and increasing the transverse field enhances quantum fluctuations until they become strong enough to restore the symmetry of the ground state. Ising pseudospins can represent the order parameter of any system with a twofold degenerate broken-symmetry phase, including electronic nematic order associated with spontaneous point-group symmetry breaking. Here, we show for the representative example of orbital nematic ordering of a non-Kramers doublet that an orthogonal strain or a perpendicular magnetic field plays the role of the transverse field, thereby providing a practical route for tuning appropriate materials to a quantum critical point. While the transverse fields are conjugate to seemingly unrelated order parameters, their nontrivial commutation relations with the nematic order parameter, which can be represented by a Berry-phase term in an effective field theory, intrinsically intertwine the different order parameters. PMID- 29208709 TI - Conserved salt-bridge competition triggered by phosphorylation regulates the protein interactome. AB - Phosphorylation is a major regulator of protein interactions; however, the mechanisms by which regulation occurs are not well understood. Here we identify a salt-bridge competition or "theft" mechanism that enables a phospho-triggered swap of protein partners by Raf Kinase Inhibitory Protein (RKIP). RKIP transitions from inhibiting Raf-1 to inhibiting G-protein-coupled receptor kinase 2 upon phosphorylation, thereby bridging MAP kinase and G-Protein-Coupled Receptor signaling. NMR and crystallography indicate that a phosphoserine, but not a phosphomimetic, competes for a lysine from a preexisting salt bridge, initiating a partial unfolding event and promoting new protein interactions. Structural elements underlying the theft occurred early in evolution and are found in 10% of homo-oligomers and 30% of hetero-oligomers including Bax, Troponin C, and Early Endosome Antigen 1. In contrast to a direct recognition of phosphorylated residues by binding partners, the salt-bridge theft mechanism represents a facile strategy for promoting or disrupting protein interactions using solvent-accessible residues, and it can provide additional specificity at protein interfaces through local unfolding or conformational change. PMID- 29208711 TI - Molecular basis for the recognition of the human AAUAAA polyadenylation signal. AB - Nearly all eukaryotic messenger RNA precursors must undergo cleavage and polyadenylation at their 3'-end for maturation. A crucial step in this process is the recognition of the AAUAAA polyadenylation signal (PAS), and the molecular mechanism of this recognition has been a long-standing problem. Here, we report the cryo-electron microscopy structure of a quaternary complex of human CPSF-160, WDR33, CPSF-30, and an AAUAAA RNA at 3.4-A resolution. Strikingly, the AAUAAA PAS assumes an unusual conformation that allows this short motif to be bound directly by both CPSF-30 and WDR33. The A1 and A2 bases are recognized specifically by zinc finger 2 (ZF2) of CPSF-30 and the A4 and A5 bases by ZF3. Interestingly, the U3 and A6 bases form an intramolecular Hoogsteen base pair and directly contact WDR33. CPSF-160 functions as an essential scaffold and preorganizes CPSF-30 and WDR33 for high-affinity binding to AAUAAA. Our findings provide an elegant molecular explanation for how PAS sequences are recognized for mRNA 3'-end formation. PMID- 29208712 TI - Crystal structure of human IRAK1. AB - Interleukin 1 (IL-1) receptor-associated kinases (IRAKs) are serine/threonine kinases that play critical roles in initiating innate immune responses against foreign pathogens and other types of dangers through their role in Toll-like receptor (TLR) and interleukin 1 receptor (IL-1R) mediated signaling pathways. Upon ligand binding, TLRs and IL-1Rs recruit adaptor proteins, such as myeloid differentiation primary response gene 88 (MyD88), to the membrane, which in turn recruit IRAKs via the death domains in these proteins to form the Myddosome complex, leading to IRAK kinase activation. Despite their biological and clinical significance, only the IRAK4 kinase domain structure has been determined among the four IRAK family members. Here, we report the crystal structure of the human IRAK1 kinase domain in complex with a small molecule inhibitor. The structure reveals both similarities and differences between IRAK1 and IRAK4 and is suggestive of approaches to develop IRAK1- or IRAK4-specific inhibitors for potential therapeutic applications. While the IRAK4 kinase domain is capable of homodimerization in the unphosphorylated state, we found that the IRAK1 kinase domain is constitutively monomeric regardless of its phosphorylation state. Additionally, the IRAK1 kinase domain forms heterodimers with the phosphorylated, but not unphosphorylated, IRAK4 kinase domain. Collectively, these data indicate a two-step kinase activation process in which the IRAK4 kinase domain first homodimerizes in the Myddosome, leading to its trans-autophosphorylation and activation. The phosphorylated IRAK4 kinase domain then forms heterodimers with the IRAK1 kinase domain within the Myddosome, leading to its subsequent phosphorylation and activation. PMID- 29208714 TI - Encoding model of temporal processing in human visual cortex. AB - How is temporal information processed in human visual cortex? Visual input is relayed to V1 through segregated transient and sustained channels in the retina and lateral geniculate nucleus (LGN). However, there is intense debate as to how sustained and transient temporal channels contribute to visual processing beyond V1. The prevailing view associates transient processing predominately with motion sensitive regions and sustained processing with ventral stream regions, while the opposing view suggests that both temporal channels contribute to neural processing beyond V1. Using fMRI, we measured cortical responses to time-varying stimuli and then implemented a two temporal channel-encoding model to evaluate the contributions of each channel. Different from the general linear model of fMRI that predicts responses directly from the stimulus, the encoding approach first models neural responses to the stimulus from which fMRI responses are derived. This encoding approach not only predicts cortical responses to time varying stimuli from milliseconds to seconds but also, reveals differential contributions of temporal channels across visual cortex. Consistent with the prevailing view, motion-sensitive regions and adjacent lateral occipitotemporal regions are dominated by transient responses. However, ventral occipitotemporal regions are driven by both sustained and transient channels, with transient responses exceeding the sustained. These findings propose a rethinking of temporal processing in the ventral stream and suggest that transient processing may contribute to rapid extraction of the content of the visual input. Importantly, our encoding approach has vast implications, because it can be applied with fMRI to decipher neural computations in millisecond resolution in any part of the brain. PMID- 29208713 TI - SbcC-SbcD and ExoI process convergent forks to complete chromosome replication. AB - SbcC-SbcD are the bacterial orthologs of Mre11-Rad50, a nuclease complex essential for genome stability, normal development, and viability in mammals. In vitro, these enzymes degrade long DNA palindromic structures. When inactivated along with ExoI in Escherichia coli, or Sae2 in eukaryotes, palindromic amplifications arise and propagate in cells. However, long DNA palindromes are not normally found in bacterial or human genomes, leaving the cellular substrates and function of these enzymes unknown. Here, we show that during the completion of DNA replication, convergent replication forks form a palindrome-like structural intermediate that requires nucleolytic processing by SbcC-SbcD and ExoI before chromosome replication can be completed. Inactivation of these nucleases prevents completion from occurring, and under these conditions, cells maintain viability by shunting the reaction through an aberrant recombinational pathway that leads to amplifications and instability in this region. The results identify replication completion as an event critical to maintain genome integrity and cell viability, demonstrate SbcC-SbcD-ExoI acts before RecBCD and is required to initiate the completion reaction, and reveal how defects in completion result in genomic instability. PMID- 29208715 TI - What Chern-Simons theory assigns to a point. AB - We answer the questions, "What does Chern-Simons theory assign to a point?" and "What kind of mathematical object does Chern-Simons theory assign to a point?" Our answer to the first question is representations of the based loop group. More precisely, we identify a certain class of projective unitary representations of the based loop group [Formula: see text] We define the fusion product of such representations, and we prove that, modulo certain conjectures, the Drinfel'd center of that representation category of [Formula: see text] is equivalent to the category of positive energy representations of the free loop group [Formula: see text]? The abovementioned conjectures are known to hold when the gauge group is abelian or of type [Formula: see text] Our answer to the second question is bicommutant categories. The latter are higher categorical analogs of von Neumann algebras: They are tensor categories that are equivalent to their bicommutant inside [Formula: see text], the category of bimodules over a hyperfinite [Formula: see text] factor. We prove that, modulo certain conjectures, the category of representations of the based loop group is a bicommutant category. The relevant conjectures are known to hold when the gauge group is abelian or of type [Formula: see text]. PMID- 29208716 TI - Direct measurements of meltwater runoff on the Greenland ice sheet surface. AB - Meltwater runoff from the Greenland ice sheet surface influences surface mass balance (SMB), ice dynamics, and global sea level rise, but is estimated with climate models and thus difficult to validate. We present a way to measure ice surface runoff directly, from hourly in situ supraglacial river discharge measurements and simultaneous high-resolution satellite/drone remote sensing of upstream fluvial catchment area. A first 72-h trial for a 63.1-km2 moulin terminating internally drained catchment (IDC) on Greenland's midelevation (1,207 1,381 m above sea level) ablation zone is compared with melt and runoff simulations from HIRHAM5, MAR3.6, RACMO2.3, MERRA-2, and SEB climate/SMB models. Current models cannot reproduce peak discharges or timing of runoff entering moulins but are improved using synthetic unit hydrograph (SUH) theory. Retroactive SUH applications to two older field studies reproduce their findings, signifying that remotely sensed IDC area, shape, and supraglacial river length are useful for predicting delays in peak runoff delivery to moulins. Applying SUH to HIRHAM5, MAR3.6, and RACMO2.3 gridded melt products for 799 surrounding IDCs suggests their terminal moulins receive lower peak discharges, less diurnal variability, and asynchronous runoff timing relative to climate/SMB model output alone. Conversely, large IDCs produce high moulin discharges, even at high elevations where melt rates are low. During this particular field experiment, models overestimated runoff by +21 to +58%, linked to overestimated surface ablation and possible meltwater retention in bare, porous, low-density ice. Direct measurements of ice surface runoff will improve climate/SMB models, and incorporating remotely sensed IDCs will aid coupling of SMB with ice dynamics and subglacial systems. PMID- 29208717 TI - Efficient targeted DNA editing and replacement in Chlamydomonas reinhardtii using Cpf1 ribonucleoproteins and single-stranded DNA. AB - The green alga Chlamydomonas reinhardtii is an invaluable reference organism to research fields including algal, plant, and ciliary biology. Accordingly, decades long standing inefficiencies in targeted nuclear gene editing broadly hinder Chlamydomonas research. Here we report that single-step codelivery of CRISPR/Cpf1 ribonucleoproteins with single-stranded DNA repair templates results in precise and targeted DNA replacement with as much as ~10% efficiency in C. reinhardtii We demonstrate its use in transgene- and selection-free generation of sequence specific mutations and epitope tagging at an endogenous locus. As the direct delivery of gene-editing reagents bypasses the use of transgenes, this method is potentially applicable to a wider range of species without the need to develop methods for stable transformation. PMID- 29208719 TI - Effect of removing Kupffer cells on nanoparticle tumor delivery. AB - A recent metaanalysis shows that 0.7% of nanoparticles are delivered to solid tumors. This low delivery efficiency has major implications in the translation of cancer nanomedicines, as most of the nanomedicines are sequestered by nontumor cells. To improve the delivery efficiency, there is a need to investigate the quantitative contribution of each organ in blocking the transport of nanoparticles to solid tumors. Here, we hypothesize that the removal of the liver macrophages, cells that have been reported to take up the largest amount of circulating nanoparticles, would lead to a significant increase in the nanoparticle delivery efficiency to solid tumors. We were surprised to discover that the maximum achievable delivery efficiency was only 2%. In our analysis, there was a clear correlation between particle design, chemical composition, macrophage depletion, tumor pathophysiology, and tumor delivery efficiency. In many cases, we observed an 18-150 times greater delivery efficiency, but we were not able to achieve a delivery efficiency higher than 2%. The results suggest the need to look deeper at other organs such as the spleen, lymph nodes, and tumor in mediating the delivery process. Systematically mapping the contribution of each organ quantitatively will allow us to pinpoint the cause of the low tumor delivery efficiency. This, in effect, enables the generation of a rational strategy to improve the delivery efficiency of nanoparticles to solid tumors either through the engineering of multifunctional nanosystems or through manipulation of biological barriers. PMID- 29208720 TI - Reply to Hilborn: Role of marine reserves depends on assumptions. PMID- 29208721 TI - Traditional fisheries management is the best way to manage weak stocks. PMID- 29208722 TI - Reply to Hogan: Direct evidence of RNA-protein interactions and rewiring. PMID- 29208718 TI - An inclusive Research Education Community (iREC): Impact of the SEA-PHAGES program on research outcomes and student learning. AB - Engaging undergraduate students in scientific research promises substantial benefits, but it is not accessible to all students and is rarely implemented early in college education, when it will have the greatest impact. An inclusive Research Education Community (iREC) provides a centralized scientific and administrative infrastructure enabling engagement of large numbers of students at different types of institutions. The Science Education Alliance-Phage Hunters Advancing Genomics and Evolutionary Science (SEA-PHAGES) is an iREC that promotes engagement and continued involvement in science among beginning undergraduate students. The SEA-PHAGES students show strong gains correlated with persistence relative to those in traditional laboratory courses regardless of academic, ethnic, gender, and socioeconomic profiles. This persistent involvement in science is reflected in key measures, including project ownership, scientific community values, science identity, and scientific networking. PMID- 29208723 TI - Clarifying results and prevailing models for the evolution of Puf proteins and their RNA targets. PMID- 29208724 TI - Reply to Nakov et al.: Model choice requires biological insight when studying the ancestral habitat of photosynthetic eukaryotes. PMID- 29208725 TI - Models with unequal transition rates favor marine origins of Cyanobacteria and photosynthetic eukaryotes. PMID- 29208726 TI - How Parents of Children With Cancer Learn About Their Children's Prognosis. AB - OBJECTIVES: To determine which prognostic information sources parents find informative and which are associated with better parental understanding of prognosis. METHODS: Prospective, questionnaire-based cohort study of parents and physicians of children with cancer at 2 academic pediatric hospitals. We asked parents how they learned about prognoses and evaluated relationships between information sources and prognostic understanding, defined as accuracy versus optimism. We excluded parents with pessimistic estimates and whose children had such good prognoses that optimism relative to the physician was impossible. Analytic cohort of 256 parent-physician pairs. RESULTS: Most parents considered explicit sources (conversations with oncologists at diagnosis, day-to-day conversations with oncologists, and conversations with nurses) "very" or "extremely" informative (73%-85%). Implicit sources (parent's sense of how child was doing or how oncologist seemed to feel child was doing) were similarly informative (84%-87%). Twenty-seven percent (70/253) of parents reported prognostic estimates matching physicians' estimates. Parents who valued implicit information had lower prognostic accuracy (odds ratio [OR] 0.50; 95% confidence interval 0.29-0.88), especially those who relied on a "general sense of how my child's oncologist seems to feel my child is doing" (OR 0.47; 0.22-0.99). Parents were more likely to use implicit sources if they reported receiving high-quality prognostic information (OR 3.02; 1.41-6.43), trusted the physician (OR 2.01; 1.01 3.98), and reported high-quality physician communication (OR 1.81; 1.00-3.27). CONCLUSIONS: Reliance on implicit sources was associated with overly-optimistic prognostic estimates. Parents who endorsed strong, trusting relationships with physicians were not protected against misinformation. PMID- 29208727 TI - An Unusual Case of Abdominal Pain and Hyponatremia in a 16-Year-Old Girl With Disordered Eating. AB - A previously healthy 16-year-old girl presented to the emergency department with 1 week of severe, diffuse abdominal pain and constipation, as well as several episodes of nonbloody, nonbilious emesis. Her symptoms began several days after she decreased her caloric intake in an attempt to lose weight. She had been drinking 48 to 60 oz of water per day for several days before admission in an attempt to ameliorate her constipation. She also admits to drinking alcohol the night before her pain began. She had visited several other emergency departments before her presentation to our hospital, and she had been sent home on a bowel regimen without amelioration of her symptoms. On arrival to our emergency department, she described severe diffuse abdominal pain. Her abdomen was tender to palpation throughout but soft with no rebound tenderness or peritoneal signs. The remainder of her physical examination yielded normal results. She was found to have hyponatremia with a sodium level of 122 and no neurologic sequelae. Abdominal radiograph showed moderate constipation but her abdominal pain continued even after bowel cleanout. The home, education, activities, drugs, sex, suicide, and safety assessment revealed several stressors, including a recent suicide in the family and a history of disordered eating and anxiety. Here, we present her case, diagnostic evaluation, ultimate diagnosis, and complications. PMID- 29208728 TI - Imaging in low-grade glioma: a guide for neurologists. AB - The management of low-grade glioma (LGG) is shifting as evidence has emergedthat refutes the previously commonplace imaging-based 'watch and wait' approach, in favour of early aggressive surgical resection. This coupled with the recent 2016 update to the World Health Organisation Classification of Tumours of the Central Nervous System is changing LGG imaging and management. Recently in Practical Neurology the contemporary management of low-grade glioma and the changes to this grading system were discussed in detail. 1 In this complementary article, we discuss the role of imaging in the diagnosis, surgical planning and post treatment follow-up of LGG. We describe the principles of imaging these tumours and use several cases to highlight some difficult scenarios. PMID- 29208729 TI - Persistent postural-perceptual dizziness (PPPD): a common, characteristic and treatable cause of chronic dizziness. AB - Persistent postural-perceptual dizziness (PPPD) is a newly defined diagnostic syndrome that unifies key features of chronic subjective dizziness, phobic postural vertigo and related disorders. It describes a common chronic dysfunction of the vestibular system and brain that produces persistent dizziness, non spinning vertigo and/or unsteadiness. The disorder constitutes a long-term maladaptation to a neuro-otological, medical or psychological event that triggered vestibular symptoms, and is usefully considered within the spectrum of other functional neurological disorders. While diagnostic tests and conventional imaging usually remain negative, patients with PPPD present in a characteristic way that maps on to positive diagnostic criteria. Patients often develop secondary functional gait disorder, anxiety, avoidance behaviour and severe disability. Once recognised, PPPD can be managed with effective communication and tailored treatment strategies, including specialised physical therapy (vestibular rehabilitation), serotonergic medications and cognitive-behavioural therapy. PMID- 29208731 TI - Misleading signs in acute vertigo. AB - The acute vestibular syndrome is common and usually has a benign cause. Sometimes, however, even experienced neurologists can find it difficult to determine the cause clinically. Furthermore, neuroimaging is known to be insensitive.We describe two cases of acute vestibular syndrome where conflicting clinical findings contributed to a delay in making the correct diagnosis. The first patient with symptomatic vertigo had signs consistent with horizontal benign paroxysmal positional vertigo but also had an abnormal horizontal head impulse test, superficially suggesting acute vestibular neuritis but later accounted for by the finding of a vestibular schwannoma (acoustic neuroma). The second patient also had an abnormal horizontal head impulse test, with skew deviation suggesting stroke as the cause. However, later assessment identified that a long-standing fourth nerve palsy was the true cause for her apparent skew. We discuss potential errors that can arise when assessing such patients and highlight ways to avoid them. PMID- 29208730 TI - Rituximab for corticosteroid-resistant relapsing IgG4-related intracranial pachymeningitis: report of two cases. AB - IgG4-related disease is now recognised as an important cause of intracranial and spinal hypertrophic pachymeningitis. Treatment with corticosteroids generally leads to significant clinical improvement. We present two cases of IgG4 pachymeningitis unresponsive to corticosteroids who improved with rituximab. PMID- 29208733 TI - Opinion: Building a better past with the help of agent-based modeling. PMID- 29208732 TI - The Next Generation of Training for Arabidopsis Researchers: Bioinformatics and Quantitative Biology. PMID- 29208735 TI - David Oliver: Seven day service standards in NHS hospitals: thorny problem or blooming success? PMID- 29208737 TI - Genetic influence on the associations between IGF-I and glucose metabolism in a cohort of elderly twins. AB - OBJECTIVE: IGF-I may be a marker of later metabolic and cardiovascular disease. The interactions between IGF-I and glucose metabolism are multifactorial, and there is potential confounding from several secondary effects. In this study, we examined the interaction between IGF-I and glucose metabolism in a large cohort of clinically well-characterized elderly twins. DESIGN: A total of 303 twin pairs of the same gender (606 twins) were included in the study; 125 monozygotic and 178 dizygotic twin pairs. METHODS: A clinical examination including a standard oral glucose tolerance test (OGTT) and anthropometric measurements was performed. RESULTS: The heritability estimates were high for IGF-I and IGFBP-3 (h2: 0.65 (95% CI: 0.55-0.74) and 0.71 (0.48-0.94), respectively) and for insulin secretion (h2 = 0.56, P < 0.0001), whereas the heritability estimates for insulin sensitivity were low (h2 = 0.14, P = 0.11). In a multiple regression analysis (adjusting for age, gender and twin status), there was a negative association between IGF-I and insulin sensitivity (B: -0.13, SE 0.03, P < 0.0001) and IGF-I and disposition index (B: -0.05, SE 0.02, P < 0.001) in the entire cohort of 606 twins. The associations between IGF-I and both DI and HOMA-S did not differ between the DZ and MZ twins. Forty-five twin pairs were discordant for T2D, but the discordant twins had similar concentrations of IGF-I or IGFBP-3. CONCLUSIONS: There was a high heritability for IGF-I and IGFBP-3, but a low heritability for insulin secretion and insulin sensitivity in a group of elderly twins. In addition, we found a strong negative relationship between IGF-I and insulin sensitivity, which did not seem to be strongly genetically determined. PMID- 29208738 TI - A new form of nicotine retailers: a systematic review of the sales and marketing practices of vape shops. AB - OBJECTIVE: Retailers that primarily or exclusively sell electronic cigarettes (e cigarettes) or vaping products represent a new category of tobacco retailer. We sought to identify (a) how vape shops can be identified and (b) sales and marketing practices of vape shops. DATA SOURCES: A medical librarian iteratively developed a search strategy and in February 2017 searched seven academic databases (ABI/INFORM Complete, ECONLit, Embase, Entrepreneurship, PsycINFO, PubMed/MEDLINE and Scopus). We hand searched Tobacco Regulatory Science and Tobacco Prevention & Cessation. STUDY SELECTION: We used dual, independent screening. Records were eligible if published in 2010 or later, were peer reviewed journal articles and focused on vape shops. DATA EXTRACTION: We used dual, independent data abstraction and assessed risk of bias. Of the 3605 records identified, 22 were included. DATA SYNTHESIS: We conducted a narrative systematic review. Researchers relied heavily on Yelp to identify vape shops. Vape shop owners use innovative marketing strategies that sometimes diverge from those of traditional tobacco retailers. Vape shop staff believe strongly that their products are effective harm-reduction products. Vape shops were more common in areas with more White residents. CONCLUSIONS: Vape shops represent a new type of retailer for tobacco products. Vape shops have potential to promote e-cigarettes for smoking cessation but also sometimes provide inaccurate information and mislabelled products. Given their spatial patterning, vape shops may perpetuate inequities in tobacco use. The growing literature on vape shops is complicated by researchers using different definitions of vape shops (eg, exclusively selling e cigarettes vs also selling traditional tobacco products). PMID- 29208739 TI - Correlates of compliance with national comprehensive smoke-free laws. AB - OBJECTIVE: To explore correlates of high compliance with smoking bans in a cross sectional data set from the 41 countries with national comprehensive smoke-free laws in 2014 and complete data on compliance and enforcement. METHODS: Outcome variable: compliance with a national comprehensive smoke-free law in each country was obtained for 2014 from the WHO global report on the global tobacco epidemic. Explanatory variables: legal enforcement requirements, penalties, infrastructure and strategy were obtained through a separate survey of governments. Also, country socioeconomic and demographic characteristics including the level of corruption control were included. ANALYSIS: an initial bivariate analysis determined the significance of each potentially relevant explanatory variable of high compliance. Differences in compliance were tested using the exact logistic regression. RESULTS: High compliance with the national comprehensive smoke-free law was associated with the involvement of the local jurisdictions in providing training and/or guidance for inspections (OR=10.3, 95% CI 1.7 to 117.7) and a perception of high corruption control efforts in the country (OR=7.2, 95% CI 1.1 to 85.8). DISCUSSION: The results show the importance of the depth of the enforcement infrastructure and effort represented by the degree to which the local government is involved in enforcement. They also show the significance of fighting corruption in the enforcement process, including the attempts of the tobacco industry to undermine the process, to achieve high levels of compliance with the law. The results point out to the need to invest minimal but essential enforcement resources given that national comprehensive smoke-free laws are self enforcing in many but not all countries and sectors. PMID- 29208736 TI - Pathophysiological and behavioral deficits in developing mice following rotational acceleration-deceleration traumatic brain injury. AB - Abusive head trauma (AHT) is the leading cause of death from trauma in infants and young children. An AHT animal model was developed on 12-day-old mice subjected to 90 degrees head extension-flexion sagittal shaking repeated 30, 60, 80 and 100 times. The mortality and time until return of consciousness were dependent on the number of repeats and severity of the injury. Following 60 episodes of repeated head shakings, the pups demonstrated apnea and/or bradycardia immediately after injury. Acute oxygen desaturation was observed by pulse oximetry during respiratory and cardiac suppression. The cerebral blood perfusion was assessed by laser speckle contrast analysis (LASCA) using a PeriCam PSI system. There was a severe reduction in cerebral blood perfusion immediately after the trauma that did not significantly improve within 24 h. The injured mice began to experience reversible sensorimotor function at 9 days postinjury (dpi), which had completely recovered at 28 dpi. However, cognitive deficits and anxiety like behavior remained. Subdural/subarachnoid hemorrhage, damage to the brain blood barrier and parenchymal edema were found in all pups subjected to 60 insults. Proinflammatory response and reactive gliosis were upregulated at 3 dpi. Degenerated neurons were found in the cerebral cortex and olfactory tubercles at 30 dpi. This mouse model of repetitive brain injury by rotational head acceleration-deceleration partially mimics the major pathophysiological and behavioral events that occur in children with AHT. The resultant hypoxia/ischemia suggests a potential mechanism underlying the secondary rotational acceleration deceleration-induced brain injury in developing mice. PMID- 29208740 TI - Ecosystem Resilience and Limitations Revealed by Soil Bacterial Community Dynamics in a Bark Beetle-Impacted Forest. AB - Forested ecosystems throughout the world are experiencing increases in the incidence and magnitude of insect-induced tree mortality with large ecologic ramifications. Interestingly, correlations between water quality and the extent of tree mortality in Colorado montane ecosystems suggest compensatory effects from adjacent live vegetation that mute responses in less severely impacted forests. To this end, we investigated whether the composition of the soil bacterial community and associated functionality beneath beetle-killed lodgepole pine was influenced by the extent of surrounding tree mortality. The most pronounced changes were observed in the potentially active bacterial community, where alpha diversity increased in concert with surrounding tree mortality until mortality exceeded a tipping point of ~30 to 40%, after which diversity stabilized and decreased. Community structure also clustered in association with the extent of surrounding tree mortality with compositional trends best explained by differences in NH4+ concentrations and C/N ratios. C/N ratios, which were lower in soils under beetle-killed trees, further correlated with the relative abundance of putative nitrifiers and exoenzyme activity. Collectively, the response of soil microorganisms that drive heterotrophic respiration and decay supports observations of broader macroscale threshold effects on water quality in heavily infested forests and could be utilized as a predictive mechanism during analogous ecosystem disruptions.IMPORTANCE Forests around the world are succumbing to insect infestation with repercussions for local soil biogeochemistry and downstream water quality and quantity. This study utilized microbial community dynamics to address why we are observing watershed scale biogeochemical impacts from forest mortality in some impacted areas but not others. Through a unique "tree-centric" approach, we were able to delineate plots with various tree mortality levels within the same watershed to see if surviving surrounding vegetation altered microbial and biogeochemical responses. Our results suggest that forests with lower overall tree mortality levels are able to maintain "normal" ecosystem function, as the bacterial community appears resistant to tree death. However, surrounding tree mortality influences this mitigating effect with various linear and threshold responses whereupon the bacterial community and its function are altered. Our study lends insight into how microscale responses propagate upward into larger-scale observations, which may be useful for future predictions during analogous disruptions. PMID- 29208741 TI - Genome Sequences Reveal Cryptic Speciation in the Human Pathogen Histoplasma capsulatum. AB - Histoplasma capsulatum is a pathogenic fungus that causes life-threatening lung infections. About 500,000 people are exposed to H. capsulatum each year in the United States, and over 60% of the U.S. population has been exposed to the fungus at some point in their life. We performed genome-wide population genetics and phylogenetic analyses with 30 Histoplasma isolates representing four recognized areas where histoplasmosis is endemic and show that the Histoplasma genus is composed of at least four species that are genetically isolated and rarely interbreed. Therefore, we propose a taxonomic rearrangement of the genus.IMPORTANCE The evolutionary processes that give rise to new pathogen lineages are critical to our understanding of how they adapt to new environments and how frequently they exchange genes with each other. The fungal pathogen Histoplasma capsulatum provides opportunities to precisely test hypotheses about the origin of new genetic variation. We find that H. capsulatum is composed of at least four different cryptic species that differ genetically and also in virulence. These results have implications for the epidemiology of histoplasmosis because not all Histoplasma species are equivalent in their geographic range and ability to cause disease. PMID- 29208742 TI - Force-Induced Strengthening of the Interaction between Staphylococcus aureus Clumping Factor B and Loricrin. AB - Bacterial pathogens that colonize host surfaces are subjected to physical stresses such as fluid flow and cell surface contacts. How bacteria respond to such mechanical cues is an important yet poorly understood issue. Staphylococcus aureus uses a repertoire of surface proteins to resist shear stress during the colonization of host tissues, but whether their adhesive functions can be modulated by physical forces is not known. Here, we show that the interaction of S. aureus clumping factor B (ClfB) with the squamous epithelial cell envelope protein loricrin is enhanced by mechanical force. We find that ClfB mediates S. aureus adhesion to loricrin through weak and strong molecular interactions both in a laboratory strain and in a clinical isolate. Strong forces (~1,500 pN), among the strongest measured for a receptor-ligand bond, are consistent with a high-affinity "dock, lock, and latch" binding mechanism involving dynamic conformational changes in the adhesin. Notably, we demonstrate that the strength of the ClfB-loricrin bond increases as mechanical force is applied. These findings favor a two-state model whereby bacterial adhesion to loricrin is enhanced through force-induced conformational changes in the ClfB molecule, from a weakly binding folded state to a strongly binding extended state. This force sensitive mechanism may provide S. aureus with a means to finely tune its adhesive properties during the colonization of host surfaces, helping cells to attach firmly under high shear stress and to detach and spread under low shear stress.IMPORTANCEStaphylococcus aureus colonizes the human skin and the nose and can cause various disorders, including superficial skin lesions and invasive infections. During nasal colonization, the S. aureus surface protein clumping factor B (ClfB) binds to the squamous epithelial cell envelope protein loricrin, but the molecular interactions involved are poorly understood. Here, we unravel the molecular mechanism guiding the ClfB-loricrin interaction. We show that the ClfB-loricrin bond is remarkably strong, consistent with a high-affinity "dock, lock, and latch" binding mechanism. We discover that the ClfB-loricrin interaction is enhanced under tensile loading, thus providing evidence that the function of an S. aureus surface protein can be activated by physical stress. PMID- 29208743 TI - Latency-Associated Expression of Human Cytomegalovirus US28 Attenuates Cell Signaling Pathways To Maintain Latent Infection. AB - Reactivation of human cytomegalovirus (HCMV) latent infection from early myeloid lineage cells constitutes a threat to immunocompromised or immune-suppressed individuals. Consequently, understanding the control of latency and reactivation to allow targeting and killing of latently infected cells could have far-reaching clinical benefits. US28 is one of the few viral genes that is expressed during latency and encodes a cell surface G protein-coupled receptor (GPCR), which, during lytic infection, is a constitutive cell-signaling activator. Here we now show that in monocytes, which are recognized sites of HCMV latency in vivo, US28 attenuates multiple cell signaling pathways, including mitogen-activated protein (MAP) kinase and NF-kappaB, and that this is required to establish a latent infection; viruses deleted for US28 initiate a lytic infection in infected monocytes. We also show that these monocytes then become potent targets for the HCMV-specific host immune response and that latently infected cells treated with an inverse agonist of US28 also reactivate lytic infection and similarly become immune targets. Consequently, we suggest that the use of inhibitors of US28 could be a novel immunotherapeutic strategy to reactivate the latent viral reservoir, allowing it to be targeted by preexisting HCMV-specific T cells.IMPORTANCE Human cytomegalovirus (HCMV) is a betaherpesvirus and a leading cause of morbidity and mortality among immunosuppressed individuals. HCMV can establish latent infection, where the viral genome is maintained in an infected cell, without production of infectious virus. A number of genes, including US28, are expressed by HCMV during latent infection. US28 has been shown to activate many cellular signaling pathways during lytic infection, promoting lytic gene expression and virus production. As such, the role of US28 remains unclear and seems at odds with latency. Here, we show that US28 has the opposite phenotype in cells that support latent infection-it attenuates cellular signaling, thereby maintaining latency. Inhibition of US28 with a small-molecule inhibitor causes HCMV latent infection to reactivate, allowing latently infected cells to be detected and killed by the immune system. This approach could be used to treat latent HCMV to clear it from human transplants. PMID- 29208744 TI - Severity of Acute Infectious Mononucleosis Correlates with Cross-Reactive Influenza CD8 T-Cell Receptor Repertoires. AB - Fifty years after the discovery of Epstein-Barr virus (EBV), it remains unclear how primary infection with this virus leads to massive CD8 T-cell expansion and acute infectious mononucleosis (AIM) in young adults. AIM can vary greatly in severity, from a mild transient influenza-like illness to a prolonged severe syndrome. We questioned whether expansion of a unique HLA-A2.01-restricted, cross reactive CD8 T-cell response between influenza virus A-M158 (IAV-M1) and EBV BMLF1280 (EBV-BM) could modulate the immune response to EBV and play a role in determining the severity of AIM in 32 college students. Only ex vivo total IAV-M1 and IAV-M1+EBV-BM cross-reactive tetramer+ frequencies directly correlated with AIM severity and were predictive of severe disease. Expansion of specific cross reactive memory IAV-M1 T-cell receptor (TCR) Vbeta repertoires correlated with levels of disease severity. There were unique profiles of qualitatively different functional responses in the cross-reactive and EBV-specific CD8 T-cell responses in each of the three groups studied, severe-AIM patients, mild-AIM patients, and seropositive persistently EBV-infected healthy donors, that may result from differences in TCR repertoire use. IAV-M1 tetramer+ cells were functionally cross reactive in short-term cultures, were associated with the highest disease severity in AIM, and displayed enhanced production of gamma interferon, a cytokine that greatly amplifies immune responses, thus frequently contributing to induction of immunopathology. Altogether, these data link heterologous immunity via CD8 T-cell cross-reactivity to CD8 T-cell repertoire selection, function, and resultant disease severity in a common and important human infection. In particular, it highlights for the first time a direct link between the TCR repertoire with pathogenesis and the diversity of outcomes upon pathogen encounter.IMPORTANCE The pathogenic impact of immune responses that by chance cross-react to unrelated viruses has not been established in human infections. Here, we demonstrate that the severity of acute infectious mononucleosis (AIM), an Epstein-Barr virus (EBV)-induced disease prevalent in young adults but not children, is associated with increased frequencies of T cells cross-reactive to EBV and the commonly acquired influenza A virus (IAV). The T-cell receptor (TCR) repertoire and functions of these cross-reactive T cells differed between mild- and severe-AIM patients, most likely because these two groups of patients had selected different memory TCR repertoires in response to IAV infections encountered earlier. This heterologous immunity may explain variability in disease outcome and why young adults with more-developed IAV-specific memory T cell pools have more-severe disease than children, who have less-developed memory pools. This study provides a new framework for understanding the role of heterologous immunity in human health and disease and highlights an important developing field examining the role of T-cell repertoires in the mediation of immunopathology. PMID- 29208745 TI - The Complex Quorum Sensing Circuitry of Burkholderia thailandensis Is Both Hierarchically and Homeostatically Organized. AB - The genome of the bacterium Burkholderia thailandensis encodes three complete LuxI/LuxR-type quorum sensing (QS) systems: BtaI1/BtaR1 (QS-1), BtaI2/BtaR2 (QS 2), and BtaI3/BtaR3 (QS-3). The LuxR-type transcriptional regulators BtaR1, BtaR2, and BtaR3 modulate the expression of target genes in association with various N-acyl-l-homoserine lactones (AHLs) as signaling molecules produced by the LuxI-type synthases BtaI1, BtaI2, and BtaI3. We have systematically dissected the complex QS circuitry of B. thailandensis strain E264. Direct quantification of N-octanoyl-homoserine lactone (C8-HSL), N-3-hydroxy-decanoyl-homoserine lactone (3OHC10-HSL), and N-3-hydroxy-octanoyl-homoserine lactone (3OHC8-HSL), the primary AHLs produced by this bacterium, was performed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) in the wild-type strain and in QS deletion mutants. This was compared to the transcription of btaI1, btaI2, and btaI3 using chromosomal mini-CTX-lux transcriptional reporters. Furthermore, the levels of expression of btaR1, btaR2, and btaR3 were monitored by quantitative reverse transcription-PCR (qRT-PCR). We observed that C8-HSL, 3OHC10-HSL, and 3OHC8-HSL are differentially produced over time during bacterial growth and correlate with the btaI1, btaI2, and btaI3 gene expression profiles, revealing a successive activation of the corresponding QS systems. Moreover, the transcription of the btaR1, btaR2, and btaR3 genes is modulated by cognate and noncognate AHLs, showing that their regulation depends on themselves and on other QS systems. We conclude that the three QS systems in B. thailandensis are interdependent, suggesting that they cooperate dynamically and function in a concerted manner in modulating the expression of QS target genes through a successive regulatory network.IMPORTANCE Quorum sensing (QS) is a widespread bacterial communication system coordinating the expression of specific genes in a cell density-dependent manner and allowing bacteria to synchronize their activities and to function as multicellular communities. QS plays a crucial role in bacterial pathogenicity by regulating the expression of a wide spectrum of virulence/survival factors and is essential to environmental adaptation. The results presented here demonstrate that the multiple QS systems coexisting in the bacterium Burkholderia thailandensis, which is considered the avirulent version of the human pathogen Burkholderia pseudomallei and thus commonly used as an alternative study model, are hierarchically and homeostatically organized. We found these QS systems to be finely integrated into a complex regulatory network, including transcriptional and posttranscriptional interactions, and further incorporating growth stages and temporal expression. These results provide a unique, comprehensive illustration of a sophisticated QS network and will contribute to a better comprehension of the regulatory mechanisms that can be involved in the expression of QS-controlled genes, in particular those associated with the establishment of host-pathogen interactions and acclimatization to the environment. PMID- 29208746 TI - Controlled Activity of the Salmonella Invasion-Associated Injectisome Reveals Its Intracellular Role in the Cytosolic Population. AB - The Salmonella invasion-associated type III secretion system (T3SS1) is an essential virulence factor required for entry into nonphagocytic cells and consequent uptake into a Salmonella-containing vacuole (SCV). While Salmonella is typically regarded as a vacuolar pathogen, a subset of bacteria escape from the SCV in epithelial cells and eventually hyperreplicate in the cytosol. T3SS1 is downregulated following bacterial entry into mammalian cells, but cytosolic Salmonella cells are T3SS1 induced, suggesting prolonged or resurgent activity of T3SS1 in this population. In order to investigate the postinternalization contributions of T3SS1 to the Salmonella infectious cycle in epithelial cells, we bypassed its requirement for bacterial entry by tagging the T3SS1-energizing ATPase InvC at the C terminus with peptides that are recognized by bacterial tail specific proteases. This caused a dramatic increase in InvC turnover which rendered even assembled injectisomes inactive. Bacterial strains conditionally expressing these unstable InvC variants were proficient for invasion but underwent rapid and sustained intracellular inactivation of T3SS1 activity when InvC expression ceased. This allowed us to directly implicate T3SS1 activity in cytosolic colonization and bacterial egress. We subsequently identified two T3SS1 delivered effectors, SopB and SipA, that are required for efficient colonization of the epithelial cell cytosol. Overall, our findings support a multifaceted, postinvasion role for T3SS1 and its effectors in defining the cytosolic population of intracellular SalmonellaIMPORTANCE A needle-like apparatus, the type III secretion system (T3SS) injectisome, is absolutely required for Salmonella enterica to enter epithelial cells; this requirement has hampered the analysis of its postentry contributions. To identify T3SS1-dependent intracellular activities, in this study we overcame this limitation by developing a conditional inactivation in the T3SS whereby T3SS activity is chemically induced during culture in liquid broth, permitting bacterial entry into epithelial cells, but is quickly and perpetually inactivated in the absence of inducer. In this sense, the mutant acts like wild-type bacteria when extracellular and as a T3SS mutant once it enters a host cell. This "conditional" mutant allowed us to directly link activity of this T3SS with nascent vacuole lysis, cytosolic proliferation, and cellular egress, demonstrating that the invasion-associated T3SS also contributes to essential intracellular stages of the S. enterica infectious cycle. PMID- 29208747 TI - Proposed Role for KaiC-Like ATPases as Major Signal Transduction Hubs in Archaea. AB - All organisms must adapt to ever-changing environmental conditions and accordingly have evolved diverse signal transduction systems. In bacteria, the most abundant networks are built around the two-component signal transduction systems that include histidine kinases and receiver domains. In contrast, eukaryotic signal transduction is dominated by serine/threonine/tyrosine protein kinases. Both of these systems are also found in archaea, but they are not as common and diversified as their bacterial and eukaryotic counterparts, suggesting the possibility that archaea have evolved other, still uncharacterized signal transduction networks. Here we propose a role for KaiC family ATPases, known to be key components of the circadian clock in cyanobacteria, in archaeal signal transduction. The KaiC family is notably expanded in most archaeal genomes, and although most of these ATPases remain poorly characterized, members of the KaiC family have been shown to control archaellum assembly and have been found to be a stable component of the gas vesicle system in Halobacteria Computational analyses described here suggest that KaiC-like ATPases and their homologues with inactivated ATPase domains are involved in many other archaeal signal transduction pathways and comprise major hubs of complex regulatory networks. We predict numerous input and output domains that are linked to KaiC-like proteins, including putative homologues of eukaryotic DEATH domains that could function as adapters in archaeal signaling networks. We further address the relationships of the archaeal family of KaiC homologues to the bona fide KaiC of cyanobacteria and implications for the existence of a KaiC-based circadian clock apparatus in archaea.IMPORTANCE Little is currently known about signal transduction pathways in Archaea Recent studies indicate that KaiC-like ATPases, known as key components of the circadian clock apparatus in cyanobacteria, are involved in the regulation of archaellum assembly and, likely, type IV pili and the gas vesicle system in Archaea We performed comprehensive comparative genomic analyses of the KaiC family. A vast protein interaction network was revealed, with KaiC family proteins as hubs for numerous input and output components, many of which are shared with two-component signal transduction systems. Putative KaiC-based signal transduction systems are predicted to regulate the activities of membrane associated complexes and individual proteins, such as signal recognition particle and membrane transporters, and also could be important for oxidative stress response regulation. KaiC-centered signal transduction networks are predicted to play major roles in archaeal physiology, and this work is expected to stimulate their experimental characterization. PMID- 29208748 TI - From Cell Death to Metabolism: Holin-Antiholin Homologues with New Functions. AB - Programmed cell death in bacteria is generally triggered by membrane proteins with functions analogous to those of bacteriophage holins: they disrupt the membrane potential, whereas antiholins antagonize this process. The holin-like class of proteins is present in all three domains of life, but their functions can be different, depending on the species. Using a series of biochemical and genetic approaches, in a recent article in mBio, Charbonnier et al. (mBio 8:e00976-17, 2017, https://doi.org/10.1128/mBio.00976-17) demonstrate that the antiholin homologue in Bacillus subtilis transports pyruvate and is regulated in an unconventional way by its substrate molecule. Here, we discuss the connection between cell death and metabolism in various bacteria carrying genes encoding these holin-antiholin analogues and place the recent study by Charbonnier et al. in an evolutionary context. PMID- 29208750 TI - Erratum for Sze and Schloss, "Looking for a Signal in the Noise: Revisiting Obesity and the Microbiome". PMID- 29208749 TI - Development of Anti-Virulence Approaches for Candidiasis via a Novel Series of Small-Molecule Inhibitors of Candida albicans Filamentation. AB - Candida albicans remains the main etiologic agent of candidiasis, the most common fungal infection and now the third most frequent infection in U.S. hospitals. The scarcity of antifungal agents and their limited efficacy contribute to the unacceptably high morbidity and mortality rates associated with these infections. The yeast-to-hypha transition represents the main virulence factor associated with the pathogenesis of C. albicans infections. In addition, filamentation is pivotal for robust biofilm development, which represents another major virulence factor for candidiasis and further complicates treatment. Targeting pathogenic mechanisms rather than growth represents an attractive yet clinically unexploited approach in the development of novel antifungal agents. Here, we performed large scale phenotypic screening assays with 30,000 drug-like small-molecule compounds within ChemBridge's DIVERSet chemical library in order to identify small-molecule inhibitors of C. albicans filamentation, and our efforts led to the identification of a novel series of bioactive compounds with a common biaryl amide core structure. The leading compound of this series, N-[3-(allyloxy) phenyl]-4-methoxybenzamide, was able to prevent filamentation under all liquid and solid medium conditions tested, suggesting that it impacts a common core component of the cellular machinery that mediates hypha formation under different environmental conditions. In addition to filamentation, this compound also inhibited C. albicans biofilm formation. This leading compound also demonstrated in vivo activity in clinically relevant murine models of invasive and oral candidiasis. Overall, our results indicate that compounds within this series represent promising candidates for the development of novel anti-virulence approaches to combat C. albicans infections.IMPORTANCE Since fungi are eukaryotes, there is a limited number of fungus-specific targets and, as a result, the antifungal arsenal is exceedingly small. Furthermore, the efficacy of antifungal treatment is compromised by toxicity and development of resistance. As a consequence, fungal infections carry high morbidity and mortality rates, and there is an urgent but unmet need for novel antifungal agents. One appealing strategy for antifungal drug development is to target pathogenetic mechanisms associated with infection. In Candida albicans, one of the most common pathogenic fungi, morphogenetic transitions between yeast cells and filamentous hyphae represent a key virulence factor associated with the ability of fungal cells to invade tissues, cause damage, and form biofilms. Here, we describe and characterize a novel small-molecule compound capable of inhibiting C. albicans filamentation both in vitro and in vivo; as such, this compound represents a leading candidate for the development of anti-virulence therapies against candidiasis. PMID- 29208751 TI - Erratum for Ianiri et al., "FKBP12-Dependent Inhibition of Calcineurin Mediates Immunosuppressive Antifungal Drug Action in Malassezia". PMID- 29208752 TI - Effects of Alanyl-Glutamine Treatment on the Peritoneal Dialysis Effluent Proteome Reveal Pathomechanism-Associated Molecular Signatures. AB - Peritoneal dialysis (PD) is a modality of renal replacement therapy in which the high volumes of available PD effluent (PDE) represents a rich source of biomarkers for monitoring disease and therapy. Although this information could help guide the management of PD patients, little is known about the potential of PDE to define pathomechanism-associated molecular signatures in PD.We therefore subjected PDE to a high-performance multiplex proteomic analysis after depletion of highly-abundant plasma proteins and enrichment of low-abundance proteins. A combination of label-free and isobaric labeling strategies was applied to PDE samples from PD patients (n = 20) treated in an open-label, randomized, two period, cross-over clinical trial with standard PD fluid or with a novel PD fluid supplemented with alanyl-glutamine (AlaGln).With this workflow we identified 2506 unique proteins in the PDE proteome, greatly increasing coverage beyond the 171 previously-reported proteins. The proteins identified range from high abundance plasma proteins to low abundance cellular proteins, and are linked to larger numbers of biological processes and pathways, some of which are novel for PDE. Interestingly, proteins linked to membrane remodeling and fibrosis are overrepresented in PDE compared with plasma, whereas the proteins underrepresented in PDE suggest decreases in host defense, immune-competence and response to stress. Treatment with AlaGln-supplemented PD fluid is associated with reduced activity of membrane injury-associated mechanisms and with restoration of biological processes involved in stress responses and host defense.Our study represents the first application of the PDE proteome in a randomized controlled prospective clinical trial of PD. This novel proteomic workflow allowed detection of low abundance biomarkers to define pathomechanism associated molecular signatures in PD and their alterations by a novel therapeutic intervention. PMID- 29208753 TI - Compartment-resolved Proteomic Analysis of Mouse Aorta during Atherosclerotic Plaque Formation Reveals Osteoclast-specific Protein Expression. AB - Atherosclerosis leads to vascular lesions that involve major rearrangements of the vascular proteome, especially of the extracellular matrix (ECM). Using single aortas from ApoE knock out mice, we quantified formation of plaques by single run, high-resolution mass spectrometry (MS)-based proteomics. To probe localization on a proteome-wide scale we employed quantitative detergent solubility profiling. This compartment- and time-resolved resource of atherogenesis comprised 5117 proteins, 182 of which changed their expression status in response to vessel maturation and atherosclerotic plaque development. In the insoluble ECM proteome, 65 proteins significantly changed, including relevant collagens, matrix metalloproteinases and macrophage derived proteins. Among novel factors in atherosclerosis, we identified matrilin-2, the collagen IV crosslinking enzyme peroxidasin as well as the poorly characterized MAM-domain containing 2 (Mamdc2) protein as being up-regulated in the ECM during atherogenesis. Intriguingly, three subunits of the osteoclast specific V-ATPase complex were strongly increased in mature plaques with an enrichment in macrophages thus implying an active de-mineralization function. PMID- 29208754 TI - Proactive Use of High-Flow Nasal Cannula With Critically Ill Subjects. AB - INTRODUCTION: It has been suggested that use of a high-flow nasal cannula (HFNC) could be a first-line therapy for patients with acute hypoxic respiratory failure. The purpose of this study was to determine if protocolized use of HFNC decreases unplanned intubation and adverse outcomes in an ICU population. METHODS: The study was a prospective evaluation of 2 cohorts who received HFNC per protocol. Control groups were retrospective selections of subjects who received HFNC in the pre-protocol period. Cohort 1 (n = 88) received mechanical ventilation for >= 24 h and was extubated directly to HFNC following strict protocol criteria. Cohort 2 (n = 83) were placed on HFNC when oxygen requirements escalated (>4 L/min). RESULTS: Cohort 1 did not differ from its control group in mortality, hospital stay, or ICU days, but there were significant decreases in incidence of Gram-negative pulmonary infection (30% vs 9%, P = .001) and use of bronchodilator therapy (81% vs 61%, P = .008). Failed extubation rates were nearly identical across groups, but time to re-intubation was shorter in the protocol group (24 vs 13 h, P = .19). Cohort 2 did not differ significantly from its control group in intubation rates or mortality, but subjects managed by protocol experienced significant decreases in ICU days (4 vs 3 d, P = .03) and hospital days (12 vs 8 d, P = .007). There was a trend toward fewer hours on HFNC (33 vs 24 h, P = .10) and faster time to intubation when HFNC failed (19 vs 9 h, P = .08). CONCLUSIONS: Extubation to HFNC led to a significant decrease in pulmonary infections and bronchodilator therapy in Cohort 1 but did not reduce length of stay or rates of failed extubation. When HFNC was used early and per protocol (Cohort 2), ICU and hospital lengths of stay were reduced and HFNC was initiated more quickly when the need for respiratory support escalated. PMID- 29208755 TI - Home Mechanical Ventilation: A 12-Year Population-Based Retrospective Cohort Study. AB - BACKGROUND: Increasing numbers of individuals are being initiated on home mechanical ventilation, including noninvasive (bi-level) and invasive mechanical ventilation delivered via tracheostomy due to chronic respiratory failure to enable symptom management and promote quality of life. Given the high care needs of these individuals, a better understanding of the indications for home mechanical ventilation, and health-care utilization is needed. METHODS: We performed a retrospective cohort study using provincial health administrative data from Ontario, Canada (population ~13,000,000). Home mechanical ventilation users were characterized using health administrative data to determine the indications for home mechanical ventilation, the need for acute care at the time of ventilation approval, and their health service use and mortality rates following approval. RESULTS: The annual incidence of home mechanical ventilation approval rose from 1.8/100,000 in 2000 to 5.0/100,000 in 2012, or an annual increase of approximately 0.3/100,000 persons/y. The leading indications were neuromuscular disease, thoracic restriction, and COPD. The indication for the remainder could not be determined due to limitations of the administrative databases. Of the 4,670 individuals, 23.0% commenced home mechanical ventilation following an acute care hospitalization. Among individuals who survived at least 1 y, fewer required hospitalization in the year that followed home mechanical ventilation approval (29.9% vs 39.8%) as compared with the year prior. CONCLUSIONS: Utilization of home mechanical ventilation is increasing in Ontario, Canada, and further study is needed to clarify the factors contributing to this and to further optimize utilization of health-care resources. PMID- 29208756 TI - Neurally Adjusted Ventilatory Assist After Pediatric Cardiac Surgery: Clinical Experience and Impact on Ventilation Pressures. AB - BACKGROUND: After pediatric cardiac surgery, ventilation with high airway pressures can be detrimental to right ventricular function and pulmonary blood flow. Neurally adjusted ventilatory assist (NAVA) improves patient-ventilator interactions, helping maintain spontaneous ventilation. This study reports our experience with the use of NAVA in children after a cardiac surgery. We hypothesize that using NAVA in this population is feasible and allows for lower ventilation pressures. METHODS: We retrospectively studied all children ventilated with NAVA (invasively or noninvasively) after undergoing cardiac surgery between January 2013 and May 2015 in our pediatric intensive care unit. The number and duration of NAVA episodes were described. For the first period of invasive NAVA in each subject, detailed clinical and ventilator data in the 4 h before and after the start of NAVA were extracted. RESULTS: 33 postoperative courses were included in 28 subjects with a median age of 3 [interquartile range (IQR) 1-12] months. NAVA was used invasively in 27 courses for a total duration of 87 (IQR 15-334) h per course. Peak inspiratory pressures and mean airway pressures decreased significantly after the start of NAVA (mean differences of 5.8 cm H2O (95% CI 4.1-7.5) and 2.0 cm H2O (95% CI 1.2-2.8), respectively, P < .001 for both). There was no significant difference in vital signs or blood gas values. NAVA was used noninvasively in 14 subjects, over 79 (IQR 25-137) h. CONCLUSIONS: NAVA could be used in pediatric subjects after cardiac surgery. The significant decrease in airway pressures observed after transition to NAVA could have a beneficial impact in this specific population, which should be investigated in future interventional studies. PMID- 29208757 TI - Critical Velocity Determined by a Non-Exhaustive Method in Subjects With COPD. AB - BACKGROUND: Exercise training is an effective and low-cost tool for COPD rehabilitation. Thus, validating a non-exhaustive method to determine a patient's anaerobic threshold would be a very interesting tool in practical settings. We aimed to test the reproducibility of critical velocity values determined in a non exhaustive manner (CVNE) and tolerance for exercise performed at this physiological marker in subjects with COPD. METHODS: Twelve subjects with COPD were evaluated in this cross-sectional study. The study was divided into 2 phases: Phase A consisted of reproducibility of CVNE for subjects with COPD, and Phase B determined the tolerance for exercise tests performed at this physiological marker. RESULTS: The proposed protocol for determining CVNE presented fair reproducibility according to blood lactate concentrations (intraclass correlation coefficient = 0.58). However, we cannot consider that the tests were reproducible due to the wide CI (0.03-0.85). Furthermore, moderate and strong correlations were observed between the CVNE determined by lactate concentration, by oxygen consumption (VO2 ) (r = 0.66), and by heart rate (r = 0.88). However, a high limit of agreement was observed +/-1.45 km/h and +/-1.55 km/h, respectively. In the tolerance for exercise test, none of the subjects presented lactate destabilization, whereas 3 tests were interrupted by oxygen saturation decline and 1 test was interrupted by hemodynamic instability. CONCLUSIONS: Although most of the subjects presented good tolerance for exercise at CVNE, fair levels of reproducibility were observed in subjects with COPD, even using lactate. Thus, the use of CVNE determined through double 3-min efforts should be considered with caution. PMID- 29208758 TI - Respiratory Volume Monitoring Reduces Hypoventilation and Apnea in Subjects Undergoing Procedural Sedation. AB - INTRODUCTION: The use of monitored anesthesia care for endoscopic procedures increases the risk of respiratory depression, necessitating careful monitoring of patient ventilation. We examined the effectiveness of an impedance-based respiratory volume monitor (RVM) in improving the safety of patients undergoing upper and lower gastrointestinal endoscopies under total intravenous anesthesia. We hypothesized that feedback from the RVM would allow anesthesiologists to maintain adequate ventilation, which would reduce the duration of respiratory depression (ie, hypoventilation and apnea) compared to a blinded control group. METHODS: Sixty-five subjects were enrolled in a randomized controlled trial and monitored with a noninvasive impedance-based RVM, which displayed respiratory traces and calculated expiratory minute ventilation (VE), tidal volume (VT), and breathing frequency (f) measurements. Prior to induction of anesthesia, a baseline VE measurement (VE-baseline) was taken as a measurement of normal breathing. VE was monitored throughout the procedure for signs of hypoventilation and apnea. Hypoventilation was defined as VE < 40% VE-baseline, and apneas were defined as VE = 0 for > 15 s. RESULTS: Sixty-five subjects were randomly assigned to either a control (n = 38) or RVM intervention group (n = 27). Subjects in the intervention group had a higher VE% for the entire procedure (P = .045), as well as the third and fourth quartile of the procedure compared to the control group (P = .01). Likewise, subjects in the RVM intervention group spent significantly less time below 40% VE-baseline compared to the control group throughout the entire procedure (12 +/- 15% vs 32 +/- 24%, respectively) (P < .001). The median number of apneas per subject was greater in the control group (median 2, interquartile range 1-2, maximum 4) compared to the RVM intervention group (median 1, interquartile range 1-2, maximum 3) (P = .037). CONCLUSIONS: The control group had a higher incidence of hypoventilation and apnea compared to the RVM intervention group. Respiratory monitoring using the RVM can potentially be a useful tool for identifying early signs of respiratory depression and for titrating anesthetics to maintain adequate ventilation while minimizing patient risk. PMID- 29208759 TI - The Role of Multidetector Computed Tomography and the Forced Oscillation Technique in Assessing Lung Damage in Adults With Cystic Fibrosis. AB - BACKGROUND: With increased survival rates and the consequent emergence of an adult population with cystic fibrosis (CF), developing novel tools for periodic evaluations of these patients has become a new challenge. Thus, we sought to determine the contribution of lung-volume quantification using multidetector computed tomography (CT) in adults with CF and to investigate the association between structural changes and functional abnormalities. METHODS: This was a cross-sectional study in which 21 adults with CF and 22 control subjects underwent lung-volume quantification using multidetector CT. Voxel densities were divided into 4 bands: -1,000 to -900 Hounsfield units (HU) (hyperaerated region), -900 to -500 HU (normally aerated region), -500 to -100 HU (poorly aerated region), and -100 to 100 HU (non-aerated region). In addition, all participants performed pulmonary function tests including spirometry, body plethysmography, diffusion capacity for carbon monoxide, and the forced oscillation technique. RESULTS: Adults with CF had more non-aerated regions and poorly aerated regions with lung-volume quantification using multidetector CT than controls. Despite these abnormalities, total lung volume measured by lung-volume quantification using multidetector CT did not differ between subjects and controls. Total lung capacity (TLC) measured by body plethysmography correlated with both total lung volume (rs = 0.71, P < .001) and total air volume (rs = 0.71, P < .001) as measured with lung-volume quantification using multidetector CT. While the hyperaerated regions correlated with the functional markers of gas retention in the lungs (increased residual volume (RV) and RV/TLC ratio), the poorly aerated regions correlated with the resistive parameters measured by the forced oscillation technique (increased intercept resistance and mean resistance). We also observed a correlation between normally aerated regions and highest pulmonary diffusion values (rs = 0.68, P < .001). CONCLUSIONS: In adults with CF, lung-volume quantification using multidetector CT can destimate the lung volumes of compartments with different densities and determine the aerated and non aerated contents of the lungs; furthermore, lung-volume quantification using multidetector CT is clearly related to pulmonary function parameters. PMID- 29208760 TI - Effectiveness of and overdiagnosis from mammography screening in the Netherlands: population based study. AB - Objective To analyse stage specific incidence of breast cancer in the Netherlands where women have been invited to biennial mammography screening since 1989 (ages 50-69) and 1997 (ages 70-75), and to assess changes in breast cancer mortality and quantified overdiagnosis.Design Population based study.Setting Mammography screening programme, the Netherlands.Participants Dutch women of all ages, 1989 to 2012.Main outcome measures Stage specific age adjusted incidence of breast cancer from 1989 to 2012. The extra numbers of in situ and stage 1 breast tumours associated with screening were estimated by comparing rates in women aged 50-74 with those in age groups not invited to screening. Overdiagnosis was estimated after subtraction of the lead time cancers. Breast cancer mortality reductions and overdiagnosis during 2010-12 were computed without (scenario 1) and with (scenario 2) a cohort effect on mortality secular trends.Results The incidence of stage 2-4 breast cancers in women aged 50 or more was 168 per 100 000 in 1989 and 166 per 100 000 in 2012. Screening would be associated with a 5% mortality reduction in scenario 1 and with no influence on mortality in scenario 2. In both scenarios, improved treatments would be associated with 28% reductions in mortality. Overdiagnosis has steadily increased over time with the extension of screening to women aged 70-75 and with the introduction of digital mammography. After deduction of clinical lead time cancers, 33% of cancers found in women invited to screening in 2010-12 and 59% of screen detected cancers would be overdiagnosed.Conclusions The Dutch mammography screening programme seems to have little impact on the burden of advanced breast cancers, which suggests a marginal effect on breast cancer mortality. About half of screen detected breast cancers would represent overdiagnosis. PMID- 29208762 TI - A dimeric catalytic core relates the short and long forms of ATP phosphoribosyltransferase. AB - Adenosine triphosphate (ATP) phosphoribosyltransferase (ATP-PRT) catalyses the first committed step of histidine biosynthesis in plants and microorganisms. Two forms of ATP-PRT have been reported, which differ in their molecular architecture and mechanism of allosteric regulation. The short-form ATP-PRT is a hetero octamer, with four HisG chains that comprise only the catalytic domains and four separate chains of HisZ required for allosteric regulation by histidine. The long form ATP-PRT is homo-hexameric, with each chain comprising two catalytic domains and a covalently linked regulatory domain that binds histidine as an allosteric inhibitor. Here, we describe a truncated long-form ATP-PRT from Campylobacter jejuni devoid of its regulatory domain (CjeATP-PRTcore). Results showed that CjeATP-PRTcore is dimeric, exhibits attenuated catalytic activity, and is insensitive to histidine, indicating that the covalently linked regulatory domain plays a role in both catalysis and regulation. Crystal structures were obtained for CjeATP-PRTcore in complex with both substrates, and for the first time, the complete product of the reaction. These structures reveal the key features of the active site and provide insights into how substrates move into position during catalysis. PMID- 29208761 TI - Priming of innate antimycobacterial immunity by heat-killed Listeria monocytogenes induces sterilizing response in the adult zebrafish tuberculosis model. AB - Mycobacterium tuberculosis remains one of the most problematic infectious agents, owing to its highly developed mechanisms to evade host immune responses combined with the increasing emergence of antibiotic resistance. Host-directed therapies aiming to optimize immune responses to improve bacterial eradication or to limit excessive inflammation are a new strategy for the treatment of tuberculosis. In this study, we have established a zebrafish-Mycobacterium marinum natural host pathogen model system to study induced protective immune responses in mycobacterial infection. We show that priming adult zebrafish with heat-killed Listeria monocytogenes (HKLm) at 1 day prior to M. marinum infection leads to significantly decreased mycobacterial loads in the infected zebrafish. Using rag1 /- fish, we show that the protective immunity conferred by HKLm priming can be induced through innate immunity alone. At 24 h post-infection, HKLm priming leads to a significant increase in the expression levels of macrophage-expressed gene 1 (mpeg1), tumor necrosis factor alpha (tnfa) and nitric oxide synthase 2b (nos2b), whereas superoxide dismutase 2 (sod2) expression is downregulated, implying that HKLm priming increases the number of macrophages and boosts intracellular killing mechanisms. The protective effects of HKLm are abolished when the injected material is pretreated with nucleases or proteinase K. Importantly, HKLm priming significantly increases the frequency of clearance of M. marinum infection by evoking sterilizing immunity (25 vs 3.7%, P=0.0021). In this study, immune priming is successfully used to induce sterilizing immunity against mycobacterial infection. This model provides a promising new platform for elucidating the mechanisms underlying sterilizing immunity and to develop host-directed treatment or prevention strategies against tuberculosis.This article has an associated First Person interview with the first author of the paper. PMID- 29208763 TI - Characterization of the catalytic signature of Scabin toxin, a DNA-targeting ADP ribosyltransferase. AB - Scabin was previously identified as a novel DNA-targeting mono-ADP ribosyltransferase (mART) toxin from the plant pathogen 87.22 strain of Streptomyces scabies Scabin is a member of the Pierisin-like subgroup of mART toxins, since it targets DNA. An in-depth characterization of both the glycohydrolase and transferase enzymatic activities of Scabin was conducted. Several protein variants were developed based on an initial Scabin.DNA molecular model. Consequently, three residues were deemed important for DNA-binding and transferase activity. Trp128 and Trp155 are important for binding the DNA substrate and participate in the reaction mechanism, whereas Tyr129 was shown to be important only for DNA binding, but was not involved in the reaction mechanism. Trp128 and Trp155 are both conserved within the Pierisin-like toxins, whereas Tyr129 is a unique substitution within the group. Scabin showed substrate specificity toward double-stranded DNA containing a single-base overhang, as a model for single-stranded nicked DNA. The crystal structure of Scabin bound to NADH - a competitive inhibitor of Scabin - was determined, providing important insights into the active-site structure and Michaelis-Menten complex of the enzyme. Based on these results, a novel DNA-binding motif is proposed for Scabin with substrate and the key residues that may participate in the Scabin.NAD(+) complex are highlighted. PMID- 29208764 TI - Thiamine and selected thiamine antivitamins - biological activity and methods of synthesis. AB - Thiamine plays a very important coenzymatic and non-coenzymatic role in the regulation of basic metabolism. Thiamine diphosphate is a coenzyme of many enzymes, most of which occur in prokaryotes. Pyruvate dehydrogenase and 2 oxoglutarate dehydrogenase complexes as well as transketolase are the examples of thiamine-dependent enzymes present in eukaryotes, including human. Therefore, thiamine is considered as drug or diet supplement which can support the treatment of many pathologies including neurodegenerative and vascular system diseases. On the other hand, thiamine antivitamins, which can interact with thiamine-dependent enzymes impeding their native functions, thiamine transport into the cells or a thiamine diphosphate synthesis, are good propose to drug design. The development of organic chemistry in the last century allowed the synthesis of various thiamine antimetabolites such as amprolium, pyrithiamine, oxythiamine, or 3 deazathiamine. Results of biochemical and theoretical chemistry research show that affinity to thiamine diphosphate-dependent enzymes of these synthetic molecules exceeds the affinity of native coenzyme. Therefore, some of them have already been used in the treatment of coccidiosis (amprolium), other are extensively studied as cytostatics in the treatment of cancer or fungal infections (oxythiamine and pyrithiamine). This review summarizes the current knowledge concerning the synthesis and mechanisms of action of selected thiamine antivitamins and indicates the potential of their practical use. PMID- 29208766 TI - miR-146a C/G polymorphism increased the risk of head and neck cancer, but overall cancer risk: an analysis of 89 studies. AB - Several studies have evaluated the association of miR-146a C/G with head and neck cancer (HNC) susceptibility, and overall cancer risk, but with inconclusive outcomes. To drive a more precise estimation, we carried out this meta-analysis. The literature was searched from MEDLINE (mainly PubMed), Embase, the Cochrane Library, and Google Scholar databases to identify eligible studies. A total of 89 studies were included. The results showed that miR-146a C/G was significantly associated with increased HNC risk in dominant model (I2 =15.6%, Pheterogeneity=0.282, odds ratio (OR) =1.088, 95% confidence interval (CI) =1.002 1.182, P=0.044). However, no cancer risk was detected under all genetic models. By further stratified analysis, we found that rs4919510 mutation contributed to the risk of HNC amongst Asians under homozygote model (I2 =0, Pheterogeneity=0.541, OR =1.189, 95% CI =1.025-1.378, P=0.022), and dominant model (I2 =0, Pheterogeneity=0.959, OR =1.155, 95% CI =1.016-1.312, P=0.028). Simultaneously, in the stratified analysis by source of controls, a significantly increased cancer risk amongst population-based studies was found under homozygote model, dominant model, recessive model, and allele comparison model. However, no significant association was found in the stratified analysis by ethnicity and source of control. The results indicated that miR-146a C/G polymorphism may contribute to the increased HNC susceptibility and could be a promising target to forecast cancer risk for clinical practice. However, no significant association was found in subgroup analysis by ethnicity and source of control. To further confirm these results, well-designed large-scale case-control studies are needed in the future. PMID- 29208765 TI - Protein arginine methyltransferase expression and activity during myogenesis. AB - Despite the emerging importance of protein arginine methyltransferases (PRMTs) in regulating skeletal muscle plasticity, PRMT biology during muscle development is complex and not completely understood. Therefore, our purpose was to investigate PRMT1, -4, and -5 expression and function in skeletal muscle cells during the phenotypic remodeling elicited by myogenesis. C2C12 muscle cell maturation, assessed during the myoblast (MB) stage, and during days 1, 3, 5, and 7 of differentiation, was employed as an in vitro model of myogenesis. We observed PRMT-specific patterns of expression and activity during myogenesis. PRMT4 and -5 gene expression was unchanged, while PRMT1 mRNA and protein content were significantly induced. Cellular monomethylarginines (MMAs) and symmetric dimethylarginines (SDMAs), indicative of global and type II PRMT activities, respectively, remained steady during development, while type I PRMT activity indicator asymmetric dimethylarginines (ADMAs) increased through myogenesis. Histone 4 arginine 3 (H4R3) and H3R17 contents were elevated coincident with the myonuclear accumulation of PRMT1 and -4. Collectively, this suggests that PRMTs are methyl donors throughout myogenesis and demonstrate specificity for their protein targets. Cells were then treated with TC-E 5003 (TC-E), a selective inhibitor of PRMT1 in order to specifically examine the enzymes role during myogenic differentiation. TC-E treated cells exhibited decrements in muscle differentiation, which were consistent with attenuated mitochondrial biogenesis and respiratory function. In summary, the present study increases our understanding of PRMT1, -4, and -5 biology during the plasticity of skeletal muscle development. Our results provide evidence for a role of PRMT1, via a mitochondrially mediated mechanism, in driving the muscle differentiation program. PMID- 29208767 TI - The feasibility of low-concentration contrast and low tube voltage in computed tomography perfusion imaging: an animal study. AB - Aim: To investigate the feasibility of low-concentration contrast (270 mg/ml) together with low tube voltage (80 kV) and adaptive iterative dose reduction (AIDR)-3D reconstruction in liver computed tomography (CT) perfusion imaging.Method: A total of 15 healthy New Zealand rabbits received two CT scans each. The first scan (control) was acquired at 100 kV and 100 mA with iopromide (370 mg/ml), while the second scan (experimental) was acquired at 80 kV and 100 mA with iodixanol (270 mg/ml) 24 h after the first scan. The obtained images were reconstructed with filtered back projection (FBP) and AIDR-3D in the control and experimental groups respectively. The perfusion parameters (hepatic artery perfusion [HAP], portal vein perfusion [PVP], hepatic perfusion index [HPI], and total liver perfusion [TLP]) and image quality (image quality score, average CT value of abdomen aorta, signal-to-noise ratio [SNR], contrast-to-noise ratio [CNR], and figure of merit [FOM]) were compared using a paired t-test or Mann Whitney U test between the two groups, when appropriate. The effective radiation dose and iodine intake were also recorded and compared.Results: With the exception of the FOM criteria, the image quality and perfusion parameters were not significantly different between the two groups. The effective radiation dose and iodine intake were 38.79% and 27.03% lower respectively, in the experimental group.Conclusion: Low-concentration contrast (iodixanol, 270 mg/ml) together with low tube voltage (80 kV) and AIDR-3D reconstruction help to reduce radiation dose and iodine intake without compromising perfusion parameters and image quality in liver CT perfusion imaging. PMID- 29208768 TI - Caspase-independent programmed cell death triggers Ca2PO4 deposition in an in vitro model of nephrocalcinosis. AB - Nephrocalcinosis involves the deposition of microscopic crystals in the tubular lumen or interstitium. While the clinical, biochemical, and genetic aspects of the diseases causing nephrocalcinosis have been elucidated, little is known about the cellular events in this calcification process. We previously reported a phenomenon involving the spontaneous formation of Ca2PO4 nodules in primary papillary renal cells from a patient with medullary nephrocalcinosis harboring a rare glial cell-derived neurotrophic factor (GDNF) gene variant. We also demonstrated that cultivating GDNF-silenced human kidney-2 (HK-2) cells in osteogenic conditions for 15 days triggered Ca2PO4 deposits. Given the reportedly close relationship between cell death and pathological calcification, aim of the present study was to investigate whether apoptosis is involved in the calcification of GDNF-silenced HK-2 cells under osteogenic conditions. Silenced and control cells were cultured in standard and osteogenic medium for 1, 5, and 15 days, and any Ca2PO4 deposition was identified by means of von Kossa staining and environmental SEM (ESEM) analyses. Based on the results of annexin V and propidium iodide (PI) analysis, and terminal deoxynucleotidyl transferase dUTP biotin nick end labeling (TUNEL) assay, the silenced cells in the osteogenic medium showed a significant increase in the percentage of cells in the late phase of apoptosis and an increased Ca2PO4 deposition at 15 days. The results of quantitative real-time PCR (qRT-PCR) of BAX and BCL2, and in-cell Western analysis of caspases indicated that the cell death process was independent of caspase-3, -6, -7, and -9 activation, however. Using this model, we provide evidence of caspase-independent cell death triggering the calcification process in GDNF-silenced HK-2 cells. PMID- 29208769 TI - Association between the TIMD4-HAVCR1 variants and serum lipid levels, coronary heart disease and ischemic stroke risk and atorvastatin lipid-lowering efficacy. AB - Little is known about the association of the TIMD4 (T-cell immunoglobulin and mucin domain 4 gene)-HAVCR1 (hepatitis A virus cellular receptor 1) variants and lipid metabolism, the risk of coronary heart disease (CHD) and ischemic stroke (IS). The present study aimed to determine the TIMD4-HAVCR1 variants, their haplotypes and gene-environment interactions on serum lipid levels, the risk of CHD and IS, and the lipid-lowering efficacy of atorvastatin in a southern Chinese Han population. Genotypes of three variants in 622 controls, 579 CHD, and 546 IS patients were determined by the Snapshot technology. Atorvastatin calcium tablet (20 mg/day) was given in 724 hyperlipidemic patients for 8 weeks after genotyping. The rs12522248 genotypic and allelic frequencies were different between controls and patients, and were associated with the risk of CHD and IS. The rs1501908G-rs12522248T-rs2036402T haplotype was associated with an increased risk of CHD; the G-C-T haplotype was associated with lower risk of CHD; and the C C-C haplotype was associated with an increased risk of IS. Variants and their haplotypes in controls were associated with triglyceride (rs1501908), low-density lipoprotein cholesterol (LDL-C, rs1501908, G-T-T), high-density lipoprotein cholesterol (HDL-C, rs12522248, C-C-C) and the ratio of total cholesterol (TC) to HDL-C (C-C-C). Interactions of rs1501908- and rs2036402-alcohol (HDL-C); rs1501908- and rs12522248-high body mass index (hBMI, >=24 kg/m2; TC); and TIMD4 HAVCR1 variants-atorvastatin on several lipid parameters were detected. Interactions of rs12522248TC/CC-hBMI, G-T-T-, and C-C-C-smoking on the risk of CHD; and C-C-C-smoking, C-C-C-, and G-C-T-hBMI on the risk of IS were also observed. These findings suggest that the TIMD4-HAVCR1 variants may be the genetic risk factors for CHD and IS. PMID- 29208774 TI - Predicting Relapse with Circulating Tumor DNA Analysis in Lung Cancer. AB - Advances in circulating tumor DNA (ctDNA) analysis are revealing new treatment strategies for patients with cancer. Detection of residual disease with ctDNA analysis predicts relapse with high accuracy after treatment for early stage lung cancer. Cancer Discov; 7(12); 1368-70. (c)2017 AACRSee related article by Chaudhuri et al., p. 1394. PMID- 29208775 TI - CNS Endothelial Cell Activation Emerges as a Driver of CAR T Cell-Associated Neurotoxicity. AB - Central nervous system (CNS) toxicity associated with chimeric antigen receptor-based therapeutics has emerged as a significant cause of morbidity and mortality, and insights into the pathophysiology of this syndrome have been lacking. A new study provides evidence that cytokine-induced CNS endothelial cell activation leading to disruption of the blood-brain barrier plays an early and critical role in this phenomenon. These insights provide new opportunities for targeted therapeutic interventions to modulate endothelial cell activation. Cancer Discov; 7(12); 1371-3. (c)2017 AACRSee related article by Gust et al., p. 1404. PMID- 29208770 TI - The role of gut microbiota in the effects of maternal obesity during pregnancy on offspring metabolism. AB - Obesity is considered a global epidemic. Specifically, obesity during pregnancy programs an increased risk of the offspring developing metabolic disorders in addition to the adverse effects on the mother per se Large numbers of human and animal studies have demonstrated that the gut microbiota plays a pivotal role in obesity and metabolic diseases. Similarly, maternal obesity during pregnancy is associated with alterations in the composition and diversity of the intestine microbial community. Recently, the microbiota in the placenta, amniotic fluid, and meconium in healthy gestations has been investigated, and the results supported the "in utero colonization hypothesis" and challenged the traditional "sterile womb" that has been acknowledged worldwide for more than a century. Thus, the offspring microbiota, which is crucial for the immune and metabolic function and further health in the offspring, might be established prior to birth. As a detrimental intrauterine environment, maternal obesity influences the microbial colonization and increases the risk of metabolic diseases in offspring. This review discusses the role of the microbiota in the impact of maternal obesity during pregnancy on offspring metabolism and further analyzes related probiotic or prebiotic interventions to prevent and treat obesity and metabolic diseases. PMID- 29208771 TI - Advanced iron-overload cardiomyopathy in a genetic murine model is rescued by resveratrol therapy. AB - Iron-overload cardiomyopathy is prevalent on a worldwide basis and is a major comorbidity in patients with genetic hemochromatosis and secondary iron overload. Therapies are limited in part due to lack of a valid preclinical model, which recapitulates advanced iron-overload cardiomyopathy. Male hemojuvelin (HJV) knockout (HJVKO) mice, which lack HJV, a bone morphogenetic co-receptor protein required for hepcidin expression and systemic iron homeostasis, were fed a high iron diet starting at 4 weeks of age for a duration of 1 year. Aged HJVKO mice in response to iron overload showed increased myocardial iron deposition and mortality coupled with oxidative stress and myocardial fibrosis culminating in advanced iron-overload cardiomyopathy. In a parallel group, iron-overloaded HJVKO mice received resveratrol (240 mg/day) at 9 months of age until 1 year of age. Echocardiography and invasive pressure-volume (PV) loop analyses revealed a complete normalization of iron-overload mediated diastolic and systolic dysfunction in response to resveratrol therapy. In addition, myocardial sarcoplasmic reticulum Ca2+ ATPase (SERCa2a) levels were reduced in iron overloaded hearts and resveratrol therapy restored SERCa2a levels and suppressed up-regulation of the sodium-calcium exchanger (NCX1). Further, iron-mediated oxidative stress and myocardial fibrosis were suppressed by resveratrol treatment with concomitant activation of the p-Akt and p-AMP-activated protein kinase (AMPK) signaling pathways. A combination of ageing and high-iron diet in male HJVKO mice results in a valid preclinical model that recapitulates iron-overload cardiomyopathy in humans. Resveratrol therapy resulted in normalization of cardiac function demonstrating that resveratrol represents a feasible therapeutic intervention to reduce the burden of iron-overload cardiomyopathy. PMID- 29208776 TI - Losers of Primary Cilia Gain the Benefit of Survival. AB - In this issue, Zhao and colleagues demonstrate that loss of primary cilia in medulloblastoma cells confers resistance to the Smoothened (SMO) inhibitor sonidegib. When treated with sonidegib, medulloblastoma cells lost their cilia and gained resistance. Surprisingly, loss of cilia is associated with recurrent mutations in ciliogenesis genes that are eventually able to drive drug resistance. These findings uncover a previously unknown mechanism of cancer cells in gaining a "persister-like" state against anticancer agents at the expense of losing primary cilia. Cancer Discov; 7(12); 1374-5. (c)2017 AACRSee related article by Zhao et al., p. 1436. PMID- 29208780 TI - Does digestive symptoms require esophago gastroscopy prior to bariatric procedure? Assessment of 6 years' experience. AB - AIM: Performance of routine preoperative esophagogastroduodenal endoscopy (EGE) in patients undergoing bariatric surgery is still a controversial subject. The purpose of our study was to evaluate the benefits of performing preoperative EGE in a cohort of bariatric patients. MATERIAL AND METHODS: The present retrospective study was performed between March 2010 and June 2016. We divided the study participants into two groups: group A comprised subjects without disturbing upper digestive signs, while group B comprised patients with disturbing upper digestive signs. Logistic regression analysis was used to identify the pre-dictors that might be associated with abnormal outcomes. RESULTS: Our study included 232 patients (who had undergone sleeve gastrectomy, gastric bypass, ileal interposition, or transit bipartition). The average age was 41.4 +/- 10.3 years, and the average body mass index (BMI) was 43.6 +/- 5.1 kg/m2. Of all the observed gastroscopic abnormalities, the prevalence for gastritis (17.3%), followed by esophagitis (10.2%), hiatus hernia (9.4%), and bulbitis (8.7%). In multivariate regression analysis, the Gastrointestinal Symptom Rating Scale (GSRS) score and upper gastric symptoms were found to be the only independent predictive markers (OR = 2.822, 95% CI: 1.674-3.456 and OR =2.735, 95% CI: 1.827-3.946, respectively). We identified a positive corre-lation between abnormal EGE findings and postoperative complications. CONCLUSION: Preoperative EGE had a high rate of detection for the possible abnormalities prior to bariatric surgery. Upper gastric symptoms are significant predictive factors of postoperative complications. Performing preoperative EGE for symptomatic patients could help reduce the morbidity and mortality rates in these patients. KEY WORDS: Bariatric surgery, Preoperative endoscopy, Upper digestive symptoms. PMID- 29208781 TI - Ephebodontics: A Little-known Branch of Dentistry. AB - Adolescence is an age group defined from the onset of puberty to establishment of social independence. Chronologically it is defined as the age of 10 to 18 years but social and behavioral situations may dictate vari-ability.1 Ephebodontics is the term coined for adolescent dentistry in the April 1969 issue of Dental Clinics of North America. The dental needs of adolescents differ largely from other established age groups. There are anomalous physical, emotional, and psychological changes in adolescents that need specific health care protocol.2. PMID- 29208777 TI - Short Abeta peptides attenuate Abeta42 toxicity in vivo. AB - Processing of amyloid-beta (Abeta) precursor protein (APP) by gamma-secretase produces multiple species of Abeta: Abeta40, short Abeta peptides (Abeta37-39), and longer Abeta peptides (Abeta42-43). gamma-Secretase modulators, a class of Alzheimer's disease therapeutics, reduce production of the pathogenic Abeta42 but increase the relative abundance of short Abeta peptides. To evaluate the pathological relevance of these peptides, we expressed Abeta36-40 and Abeta42-43 in Drosophila melanogaster to evaluate inherent toxicity and potential modulatory effects on Abeta42 toxicity. In contrast to Abeta42, the short Abeta peptides were not toxic and, when coexpressed with Abeta42, were protective in a dose dependent fashion. In parallel, we explored the effects of recombinant adeno associated virus-mediated expression of Abeta38 and Abeta40 in mice. When expressed in nontransgenic mice at levels sufficient to drive Abeta42 deposition, Abeta38 and Abeta40 did not deposit or cause behavioral alterations. These studies indicate that treatments that lower Abeta42 by raising the levels of short Abeta peptides could attenuate the toxic effects of Abeta42. PMID- 29208782 TI - Relative Translucency of a Multilayered Ultratranslucent Zirconia Material. AB - AIM: The aim of this study was to compare the translucency parameter (TP) of ultratranslucent multilayered (UTML) zirconia according to thickness and layer level. MATERIALS AND METHODS: Rectangles of UTML zirconia with four layers [dentin layer (DEL), first transitional layer (FTL), second transitional layer (STL), and enamel layer (ENL)] and four different thicknesses (0.4, 0.6, 0.8, and 1 mm) were milled from blanks. Digital images were taken in a dark studio against white and black backgrounds under simulated daylight illumination and international commission on illumination (CIE) Lab* color values recorded using Photoshop Creative Cloud software. The TP was computed and compared according to thickness and layer level using analysis of variance (ANOVA) followed by Bonferroni post hoc analysis for multiple comparisons. Significance was set at p < 0.05. RESULTS: In each thickness, TP values were similar between any two layers. The significant effect of thickness on the TP was observed only in the first two layers. In the DEL, translucency was significantly greater at 0.4 mm than all other thicknesses. In the FTL, differences were significant between 0.4 and 0.8 mm and between 0.4 and 1 mm. CONCLUSION: The investigated zirconia does not seem to show gradational changes in relative translucency from dentin to enamel levels regardless of the thickness used. Thickness affected the TP only in the first two layers with better translu-cency at 0.4 mm. CLINICAL SIGNIFICANCE: Since relative translucency does not seem to be significantly different between layers, clinicians can modify the apicocoronal positioning of the UTML layers within the restoration according to the desired Chroma without any implications on the clinically perceived translucency. While the thickness of 0.4 mm may be suggested for anterior esthetic veneers because of its higher translucency, the other thicknesses of 0.6 to 1 mm can be used to mask colored abutments in full contour restorations. PMID- 29208783 TI - Clinical Time Required and Internal Adaptation in Cavities restored with Bulk fill Composites. AB - AIM: The aim of this study was to compare the restorative time required and the internal adaptation after thermomechanical aging of class I restorations using either the conventional incremental technique or bulk-fill technique. MATERIALS AND METHODS: Cavities (Class I) were prepared on the occlusal surface of human third molars. 40 teeth were divided into four experimental groups according to the restorative technique (n = 10): G1 = 3 mm increment of Surefill SDR Flow + 1 mm Filtek P60; G2 = 3 mm increment of Filtek Bulk-Fill + 1 mm Filtek P60; G3 = Filtek P60 inserted with incremental technique; G4 = 3 mm increment of Filtek Z350 Flow XT + 1 mm increment of Filtek P60. The required restorative clinical time for each technique was marked. Specimens were submitted to thermomechanical loading (20,000 mechanical cycles-80 N/thermal cycling-5/55 degrees C for 30 seconds). After, samples were sectioned, ratio of internal gaps to interface length (%) was recorded using dye-staining-gap technique. Data were submitted to analysis of variance (ANOVA) and Tukey's test (95% significance). RESULTS: There was no significant difference in gap formation and none of the groups was completely gap-free. However, a significant reduction on required restorative clinical time was observed for G1 (167 +/- 7 seconds), G2 (169 +/- 4 seconds), and G4 (169 +/- 8 seconds) when compared with G3 (204 +/- 8 seconds). CONCLUSION: No significant difference in gap formation was found among bulk-fill and conventional incremental restorative technique tested; however, the use of a bulk fill composite reduced 20% of the required restorative clinical time. CLINICAL SIGNIFICANCE: None of the restorative techniques applied were able to prevent internal gap formation. The use of bulk-fill composite reduced the required clinical time to perform class I restorations. PMID- 29208784 TI - Impact of Mouthwashes on Antibacterial Activity of Subjects with Fixed Orthodontic Appliances: A Randomized Clinical Trial. AB - AIM: The study aimed to assess the impact of mouthwashes on antibacterial activity of individuals with fixed orthodontic appliances. MATERIALS AND METHODS: A total of 60 individuals were considered in the study. Sixty (20 each group) nonextraction class I individuals were randomly divided into experimental and control groups. Group I: Experimental group [chlorhexidine (CHX) mouthwash], group II: Experimental group (neem mouthwash), group III: Control group (distilled water). All the clinical examinations were done at baseline and 30th day respectively, after the start of orthodontic treatment. The mean differences between the different experimental groups were calculated using one-way analysis of variance (ANOVA) test. RESULTS: There was no statistical significance at baseline mean plaque index (PI), gingival index (GI) scores, and Streptococcus mutans (SM) colony count between groups. The PI and GI scores among CHX and neem mouthwash groups (p = 0.002, p = 0.032 respectively) were significantly reduced after intervention and also the SM colonies count was reduced in CHX and neem mouthwash groups and there was significant difference between the groups. CONCLUSION: As both mouthwashes showed significant effectiveness on antibacterial activity in individuals with fixed orthodontic appliances, neem mouthwash can be used as an alternative to CHX. CLINICAL SIGNIFICANCE: It is better to have a sound knowledge regarding the use of mouthwash in long term as fixed orthodontics are associated with accumulation of SM, enamel demineralization, and an increased number of carious lesions, predominantly in sites adjacent to bracket. PMID- 29208785 TI - Use of a Partial-thickness Flap for Guided Bone Regeneration in the Upper Jaw. AB - INTRODUCTION: Guided bone regeneration (GBR) aims to restore adequate bone volume for the placement of implants in an ideal location. In this article, we analyze different surgical techniques for tissue management during GBR and a modified partial-thickness surgical approach. MATERIALS AND METHODS: In a year's time span, five patients were enrolled in the study: Four women and one man (aged 44 59 years). In four patients, a GBR with simultaneous implant placement was adopted, whereas in another patient, a delayed implant placement was done. The flap was of full thickness and overturned on the side palatal with the aim of a retractor, thus exposing the bone crest. The graft material was covered and protected with a resorbable collagen membrane (Geistlich Bio-Gide(r), Switzerland). The periosteal layer of the flap was then positioned above the resorbable membrane without traction. The sutures as vertical mattress were then positioned. Each patient received an intramuscular betamethasone dose (4 mg/50 kg) and antibiotic therapy for 7 days (amoxicillin + clavulanic acid 1 gm every 12 hours) and was instructed to maintain oral hygiene and appropriate wound cleaning. The patients were recalled at different times to monitor the healing. RESULTS: No cases of tissue dehiscence were observed during the period of wound healing. One patient, however, showed a delayed exposure 4 months after surgery. This occurrence was managed without complications for the patient. CONCLUSION: The design of proposed flap seems to be effective in controlling the risk of dehiscence during the healing time in the GBR. The vascular supply was rarely compromised. The results we obtained are encouraging even if further studies on this technique are needed. CLINICAL SIGNIFICANCE: Lateral partial-thickness flaps seem to be effective in controlling tissue tension and consequently the risk of dehiscence. The incision vestibularly performed should favor the soft tissue healing. PMID- 29208786 TI - Evaluation of Short and Regular Implants after Prosthesis Placement in the Mandible: A Nonrandomized Controlled Clinical Trial. AB - AIM: The aim of this nonrandomized controlled preliminary clinical trial was to compare treatment using short and conventional implants in the posterior region of the mandible after prosthesis installation by means of clinical, resonance frequency, and radiographic analyses. MATERIALS AND METHODS: A total of 10 patients with 40 dental implants already installed were included in this study. Four implants were installed for each subject, in which the length of the implants (short and conventional) was distributed according to the reminiscent alveolar bone in the left and right side of the mandible. All implants received splinted prosthesis after the osseointegration period. Analyses were performed immediately after prosthesis installation (T1), and 3 (T2) and 6 months (T3) after prosthesis placement. RESULTS: The 6-month survival and success rates were 100% for the short and conventional implants. Probing depths (PDs) after 6 months did not show statistical differences between short and conventional implants. All groups showed mean implant stability quotient (ISQ) values above 60 in all periods evaluated, demonstrating great implant stability, and no differences were found between groups at T3. Radiographic measurements showed an increased bone loss for conventional implants compared with short implants in all the three periods evaluated. CONCLUSION: Our findings suggest that treatment of resorbed posterior regions in the mandible with shorter dental implants is as reliable as treatment with conventional implants after 6 months of splinted prosthesis installation. CLINICAL SIGNIFICANCE: Short implants might be considered a predictable treatment alternative to bone augmentation or extensive surgical techniques in regions of restricted vertical bone height in the posterior region of the mandible. PMID- 29208787 TI - Assessment of Marginal Adaptation and Sealing Ability of Root Canal Sealers: An in vitro Study. AB - AIM: This study aims to compare the marginal adaptation and sealing ability [mineral trioxide aggregate (MTA)-Fillapex, AH Plus, Endofill sealers] of root canal sealers. MATERIALS AND METHODS: In the present study, the inclusion criteria include 45 single-rooted extracted mandibular premolar teeth, with single canal and complete root formation. The sectioning of the samples was done at the cementoenamel junction using a low-speed diamond disc. Step-back technique was used to prepare root canals manually. The MTA-Fillapex, AH Plus, and Endofill sealers were the three experimental sealer groups to which 45 teeth were distributed. Under scanning electron microscope (SEM), marginal gap at sealer and root dentin interface were examined at coronal and apical halves of root canal. RESULTS: Among the three maximum marginal adaptations were seen with AH Plus sealer (4.10 +/- 0.10) which is followed by Endofill sealer (1.44 +/- 0.18) and MTA-Fillapex sealer (0.80 +/- 0.22). Between the coronal and apical marginal adaptation, significant statistical difference (p = 0.001) was seen in AH Plus sealer. When a Mann-Whitney U-test was done on MTA-Fillapex sealer vs AH Plus sealer and AH Plus sealer vs Endofill sealer, there was a statistically significant difference (p < 0.05) found between the above two groups at coronal and apical third. CONCLUSION: The present study proves that AH Plus sealer has a better marginal adaptation when compared with other sealers used. CLINICAL SIGNIFICANCE: For sealing space of crown wall and main cone in root canal treatment, sealers play an important role. The other advantages of sealers are that they are used to fill voids and irregularities in root channel, secondary, lateral channels, and space between applied gutta-percha cones and also act as tripper during filling. PMID- 29208788 TI - Comparative Evaluation of Cleaning Efficacy using Four Novel Nickel-titanium Rotary Instruments: An in vitro Scanning Electron Microscope Study. AB - AIM: The aim of the study was to compare the cleaning efficacy (debris and smear layer removal) of two multifile rotary systems (MTwo and Silk) and two single file rotary systems (F6 Skytaper and NeoNiTi). MATERIALS AND METHODS: Eighty mesial canals of mandibular first molars were cleaned and shaped using four nickel-titanium (NiTi) rotary instruments to size # 25 and 3% NaOCl and 17% ethylenediaminetetraacetic acid (EDTA). Samples were randomly divided into four equal groups (n = 20) according to instrumentation: Group I, Mtwo; group II, Silk; group III, F6 Skytaper; group IV, NeoNiTi. Samples were split longitudinally and examined under scanning electron microscope (SEM) for debris and smear layer removal in coronal, middle, and apical thirds of each root canal. RESULTS: F6 skytaper and Mtwo groups showed significantly higher debris removal than Silk and NeoNiTi groups in apical third of root canal as well as when compared with NeoNiTi group in middle third. F6 Skytaper group showed significantly higher debris and smear layer removal than Silk group in coronal third. There was statistically significant difference among all thirds of root canal in terms of debris removal in Silk and NeoNiTi groups. There was statistically significant difference among all thirds of root canal in F6 Skytaper and NeoNiTi groups in terms of smear layer removal. CONCLUSION: F6 Skytaper single-file rotary instrumentation showed the maximum cleaning efficacy followed by Mtwo multifile rotary instrumentation in all thirds of root canal. CLINICAL SIGNIFICANCE: F6 Skytaper rotary instrument is most efficient followed by Mtwo rotary instrument among all rotary instruments. PMID- 29208789 TI - General Dental Practitioners as Potential Responders to Disaster Scenario in a Highly Disaster-prone Area: An Explorative Study. AB - AIM: The aim of this study is to obtain insights pertaining to disaster management among Indian general dental practitioners (GDPs). MATERIALS AND METHODS: All GDPs in Mangaluru city, Karnataka, India, were included in the present study. Their willingness to participate in disaster management and their objective knowledge, attitude, behavior, and perceived effectiveness related to disaster management were assessed by a structured, pretested, self-administered questionnaire. Demographic information was also collected. RESULTS: Overall, 101 GDPs volunteered for the study, and 96.04% of respondents were willing to participate in disaster management. Mean knowledge, attitude, behavior, and perceived effectiveness scores were 52.65, 79.60, 41.55, and 64.20% respectively. Religion (odds ratio [OR] = -0.194, p = 0.022), marital status (OR = -0.222, p = 0.040), attachment to college (OR = -0.256, p = 0.037), familiarity with standard operating procedures (SOP; OR = -0.502, p = 0.000), and knowledge (OR = 0.265, p = 0.003) were significant predictors of behavior. CONCLUSION: The GDPs reported knowledge and behavior scores which were low, while their attitude and willingness to participate were high. Demographic determinants might be critical indicators in disaster management scenario among GDPs. CLINICAL SIGNIFICANCE: The present study has crucial implications for policymakers and curriculum changes to integrate dentists effectively into disaster response teams. As responsible members of the society, the dental fraternity has critical contributions to make toward disaster mitigation. Integration of GDPs in a multidisciplinary team managing disasters might be crucial, especially in highly disaster-prone areas, such as India, with a definite paucity of resources. PMID- 29208790 TI - Oral Manifestation in Patients diagnosed with Dermatological Diseases. AB - AIM: This study aimed to estimate the frequency of oral lesions in dermatological diseased patients attending the outpatient department of Pravara Rural Medical and Dental College and Hospital, Pravara Institute of Medical Sciences (Deemed University), Loni, Ahmednagar, Maharashtra, India, and the Department of Dermatology at Medical College, Ahmednagar, Maharashtra, India. MATERIALS AND METHODS: A cross-sectional hospital-based study was conducted in Loni from October 2013 to January 2014. A total of 310 patients (mean age 37.2 +/- 16 years, 61.2% males) completed an oral examination and a personal interview. Oral lesions were recorded. Biopsy and smear were used as adjuvant techniques for confirmation. Data were analyzed using Statistical Package for the Social Sciences (SPSS) (version 15.0.1). RESULTS: Of 310 cases (n = 310) observed for skin lesions, 99 cases were psoriasis (31.93%) and 68 cases were lichen planus (LP; 21.9%), followed by herpes zoster in 44 cases (14.1%), herpes simplex in 13 cases (4.1%), pemphigus vulgaris (PV) in 15 cases (4.8%), erythema multiforme (EM) in 8 cases (2.5%), bullous pemphigoid (BP) in 4 cases (1.2%), chicken pox in 3 cases (0.9%), eczema in 52 cases (16.7%), and nutritional deficiency and candidiasis in 2 cases (Table 1). CONCLUSION: The dermatologic diseases studied frequently occur in the oral cavity. Among them, psoriasis was the most common dermatological disease, and LP frequently showed. CLINICAL SIGNIFICANCE: This study also depicts that diagnosis and management of these oral lesions should also be carried out by oral clinicians so as to improve the oral health functioning during the course of the disease. The intraoral examination should be incorporated to the routine of dermatologic assistance as the oral manifestations can represent preliminary signs or can coexist with the diseases. PMID- 29208791 TI - Effect of Temperature on Film Thickness of Two Types of Commonly used Luting Cements. AB - AIM: The aim of this study is to evaluate the effect of temperature change on film thickness of both types of cements. MATERIALS AND METHODS: Totally, 60 samples were prepared with 10 in each subgroup, thus comprising 30 in each group. Materials tested were glass ionomer cement (GIC) type I and zinc phosphate type I. Samples were manipulated with manufacturer's instructions and tested according to American Dental Association (ADA) guidelines. RESULTS: The mean values of film thickness were recorded for both groups I and II. In intragroup comparison of group 1, subgroup III (26.560 +/- 0.489 urn) was found to have the highest film thickness followed by subgroup II (24.182 +/- 0.576 urn) and the lowest in subgroup I (20.209 +/- 0.493 urn). In intragroup comparison of group II, the film thickness recorded in subgroup III (25.215 +/- 0.661 urn) was the highest followed by subgroup II (21.471 +/- 0.771 urn) and the least in subgroup I (17.951 +/- 0.654 urn; p < 0.01). In intergroup comparison of groups I and II, group II (21.545 +/- 0.841) was found to have less film thickness than group I (23.650 +/- 0.271). The results were found to be statistically significant (p < 0.01). CONCLUSION: Both zinc phosphate and GICs can be used satisfactorily for luting purpose. The temperature fluctuations have a direct influence on the film thickness. Zinc phosphate has less film thickness than GIC. CLINICAL SIGNIFICANCE: Zinc phosphate should be preferred over GIC in clinical practice, and more stress should be given in mechanical preparation of crowns for better retentive quality of prosthesis. PMID- 29208792 TI - Impact of Educational Intervention for Hand Hygiene on Dental Students' Knowledge, Attitude, and Bacterial Contamination Level on Hands. AB - AIM: The present study aimed to investigate the impact of the educational intervention for hand hygiene (HH) on knowledge, attitude, and mean colony forming bacterial counts and type of bacteria on hands of undergraduate dental students. MATERIALS AND METHODS: A total of 86 dental students from different clinical grades were included in the study. They were divided into two groups, group I (55 students) received onetime educational session for HH at the start of the academic year and group II (31 students) received an extra reenforce-ment session 6 months later. After 2 weeks of reenforcement session, a self administrated questionnaire was directed to all participants assessing their knowledge and attitude about HH. Fingertip prints of the five fingers of the dominant hand from every participant were pressed onto blood agar plates in triplets at the same clinical session, before and after HH. Bacterial colony forming units (CFUs) on each plate were recorded and identified microbiologically. RESULTS: The overall scores of knowledge and attitude showed higher levels in group II than in group I with nonsignificant differences between both groups as regards knowledge and significant differences (p < 0.05) as regards attitude. Mean CFUs showed extremely significant differences (p < 0.000) between 2nd and 3rd counts and between 1st and 2nd counts except for students of group I where the difference was only significant (p < 0.05). Normal bacterial flora was identified in 94.9% of the plates (92.2% coagulase-negative Staphylococci and 2.7% Micrococcus). Potentially pathogenic bacteria isolated from the other plates were Klebsiella pneumonia, Pseudomonas spp., and spore forming aerobic nonhemolytic Bacilli. CONCLUSION: Reenforcement session had a positive impact on HH knowledge, attitude, and reduction of bacterial CFUs. CLINICAL SIGNIFICANCE: Continuous education with frequent training sessions is recommended to reinforce HH compliance and reduce cross-contamination. PMID- 29208793 TI - Assessment of Proliferative Potential of Odontogenic Keratocyst and Dentigerous Cyst using Podoplanin: An Immunohistochemical Study. AB - INTRODUCTION: Odontogenic cysts are commonly encountered lesions among head and neck pathologies. Odontogenic keratocyst (OKC) has unique features of recurrence and local aggressiveness. Podoplanin (PDP) is a lymphatic endothelial marker and is shown to be expressed in a variety of tissues. Hence, we planned to assess the significance of PDP in OKC and dentigerous cyst (DC). MATERIALS AND METHODS: The present study included assessment of immunoexpression of PDP in OKC and DC. Twenty specimens each of OKC and DC were included in the present study and were stained with D2-40 antibody. All the sections were analyzed and were categorized as negative staining, weakly positive staining, and strongly positive staining. All the results were analyzed by Statistical Package for the Social Sciences (SPSS) software. RESULTS: We detected PDP-positive staining in the cell membrane and cytoplasm of the cells of basal cell layer and supra-basal cell layers. In DC cases, we observed positive staining only in cases associated with inflammation. CONCLUSION: Podoplanin does play a significant role in enhancing the local invasive and neoplastic properties of OKC. CLINICAL SIGNIFICANCE: Podoplanin expression in OKC is potentially associated with moderate invasive nature of the neighboring structures. PMID- 29208794 TI - Intricate Estimation and Assessment of Surface Conditioning of Posts to improve Interfacial Adhesion in Post-core Restorations: An in vitro Study. AB - INTRODUCTION: Post and core restorations are routinely used for restoring grossly decayed tooth structures. Various chemical agents are known to affect the interfacial adhesions between the post and the core. Hence, we planned the present study to evaluate the effect of various post-surface treatments on the interfacial strength between the posts and composite materials that are used for building up the core portion. MATERIALS AND METHODS: The present study included assessment of the effect of surface conditioning of posts on the interfacial adhesion in post-core restorations. A total of 80 clear post-tapers were included and were divided broadly into four study groups based on the type of chemical testing protocols used. Various chemical treatments included alkaline potassium permanganate, hydrogen peroxide, and phosphoric acid. The fourth group was the control group. The composite core material was used for building up the core. Testing of the tensile load was done on a universal testing machine. All the results were analyzed by the Statistical Package for the Social Sciences (SPSS) software. RESULTS: The highest bond strength was observed in the study group treated with alkaline potassium permanganate, while the lowest was observed in the control group followed by the hydrogen peroxide group. While comparing the mean bond strength in between various study groups, significant results were obtained. CONCLUSION: Chemical treatment protocol significantly alters the mean bond strength of the post and core restoration. CLINICAL SIGNIFICANCE: Potassium permanganate significantly increases the bond strength between the fiber post and core restoration. PMID- 29208795 TI - In vitro Assessment of Influence of Various Bleaching Protocols on the Strength of Ceramic Orthodontic Brackets bonded to Bleached Tooth Surface: A Comparative Study. AB - INTRODUCTION: Esthetics is one of the common issues because of which patients consult dental orthodontic treatment. Two ways of tooth bleaching are available these days, which includes in-office bleach and home bleach. Various bleaching protocols are available these days for treating the tooth surfaces. Hence, we planned the present study for investigating the impact of various intracoronal bleaching protocols on shear bond strength of ceramic brackets bonded to tooth surface after bleaching. MATERIALS AND METHODS: The present study included assessment of 100 extracted maxillary central incisors with the integrated buccal surface. A resin block was made and individual teeth were embedded in each block. Root canal therapy procedure was performed in all the teeth, after which 2 mm short of tooth apex up to the level of cementoenamel junction, removal of the root canal filling was done. All the samples were broadly divided into four study groups with 25 samples in each group. Bleaching procedure was carried in all the samples intracoronally followed by testing of shear bond strength using universal force testing machine. Following the modified adhesive remnant index (AI), assessment of remaining adhesive on the brackets was done. All the results were compiled and analyzed by Statistical Package for the Social Sciences (SPSS) software version 17.0. RESULTS: In the control group, mean shear bond strength was found to be 17.9 MPa. While comparing the carbamide peroxide (CP) group with sodium perborate study group, we observed a statistically significant difference. Nonsignificant results were obtained while comparing the shear bond strength in between sodium perborate group and hydrogen peroxide (HP) group. CONCLUSION: Intracoronal bleaching does affect the shear bond strength of ceramic brackets. Sodium perborate bleaching influences shear bond strength more strongly than other bleaching agents such as CP and HP. CLINICAL SIGNIFICANCE: In patients undergoing orthodontic treatment, HP is a preferred agent where bleaching has to be followed by orthodontic bonding to the tooth surface. PMID- 29208796 TI - Comparative Evaluation of Tensile Strength in Die Stone Incorporated with Sodium and Calcium Hypochlorite as Disinfectants: An in vitro Study. AB - AIM: The aim of this study was to evaluate the tensile strength of die stone incorporated with sodium and calcium hypochlorite as disinfectants. MATERIALS AND METHODS: Two commercially available type IV die stone (Kalrock: Kalabhai Karson Pvt., Ltd and Pearlstone: Asian Chemicals) and two commercially available disinfectant solutions (sodium hypochlorite and calcium hypochlorite: Beachem Laboratory Chemical Private Limited, Chennai and Leo Chem Private Limited, Bengaluru) were used in this study, and the tensile strength was measured using Lloyd's Universal Testing Machine. RESULTS: The results show that incorporating the disinfecting solutions decreases the tensile strength of both products. The effect of decreasing tensile strength on type IV gypsum product is seen more in calcium hypochlorite when compared with sodium hypochlorite disinfecting solution, and the tensile strength of Kalrock specimens is higher than Pearlstone specimens after disinfecting with sodium hypochlorite and calcium hypochlorite solution. The statistical results also show significant results in all the groups when compared with the control group. CONCLUSION: The incorporation of sodium and calcium hypochlorite disinfecting solutions is not an encouraging method for both die materials as it reduces the tensile strength of type IV gypsum product. Tensile strength of Kalstone(r) die material is superior than Pearlstone(r) die material after mixing with sodium hypochlorite and calcium hypochlorite. CLINICAL SIGNIFICANCE: According to the recommendations of Americans with Disability Act (ADA) and the Centers for Disease Control and Prevention, disinfecting the whole cast without or minimal changes in physical and mechanical properties was the motto of the study. The tensile strength in type IV gypsum product plays a most important role in retrieval of cast from impression, especially in narrow tooth preparation. This study reveals that incorporating method of disinfecting solutions is not recommended as it reduces the tensile strength. PMID- 29208797 TI - Caries Preventive Effect of Sodium Fluoride Varnish on Deciduous Dentition: A Clinical Trial. AB - AIM: The aim of the study is to evaluate the efficacy of intensive application of sodium fluoride varnish in reducing caries incidence among children aged 6 to 7 years. MATERIALS AND METHODS: The study was a randomized controlled trial conducted among 6- to 7-year-old children of Sangamner, Maharashtra, India. Nearly 200 randomly selected children were randomized into two groups: Control group and intervention (varnish) group. Dental examination to record the caries experiences was conducted at baseline and at 1-year follow-up. The fluoride varnish was applied for three times in a week for a period of 1 year. Mean decayed, missed, and filled teeth (DMFT) were compared between and within groups using t-test. RESULTS: Out of 200 participants, there were 3 dropouts for control group and 4 for intervention group. Nearly 55% study participants were males and remaining were females. There was a statistically significant difference between the baseline and follow-up caries levels in varnish group for deciduous dentition. Mean caries reduction in this study was 26%. CONCLUSION: After 1 year of study, we found significant caries reversal in deciduous dentition among the 6 to 7-year-olds after intensive fluoride application. Such a regimen can be advocated to encourage the practitioners and the caregivers alike for early caries prevention. CLINICAL SIGNIFICANCE: Intensive fluoride application (three times a week) once a year was found to be effective in reducing the incidence of detectable carious lesions and can be advocated to the dental professionals to be incorporated in their routine preventive clinical practice. PMID- 29208798 TI - A Clinical and Microbiological Evaluation of Helicobacter pylori in Recurrent Aphthous Stomatitis. AB - AIM: The aim of this study is to evaluate the association of Helicobacter pylori in recurrent aphthous stomatitis (RAS) with or without peptic ulcer. MATERIALS AND METHODS: A total of 42 patients were selected for the present study from outpatient Department of Oral Medicine, and divided into control (group I) and test groups (groups II, III). A total number of 15 patients suffering from RAS based on history and clinical examination was selected as group II. A total number of 12 patients suffering concomitantly from RAS and duodenal ulcer based on history and clinical examination were selected as group III. A total number of 15 healthy subjects were selected as controls in group I. All selected subjects belonged to the age group of 16 to 45 years. Data were tabulated and statistically analyzed with Statistical Package for the Social Sciences (SPSS) statistical software version 19 of IBM, Chicago, Illinois, USA. RESULTS: Among all three groups, 54.8% was negative and 45.2% was positive for H. pylori. No significant relation was established between H. pylori and RAS. CONCLUSION: In the present study, there was no association of H. pylori in patients with RAS and in patients with RAS along with gastric ulcers. CLINICAL SIGNIFICANCE: This clinical study evaluated the relation of H. pylori in RAS patients. PMID- 29208799 TI - An Alternative Approach for Space Opening in a Bilateral Maxillary Lateral Incisor Agenesis Patient using Miniplates. AB - AIM: This case report aimed to present an orthodontic mechanic alternative for space opening in a patient missing maxillary lateral incisors, using miniplates as anchorage, associated with self-ligating brackets. BACKGROUND: Dental agenesis affects the population causing esthetic and functional damages. The prevalence of missing maxillary lateral incisors should be considered for its significant rate and negative impact on smile esthetics. CASE REPORT: This treatment was chosen based on the presence of balanced facial pattern, large canine anatomy, the need to improve dental occlusion to prevent further wear, and patient's esthetic complaint. To obtain the results, upper third molars were extracted, and two miniplates were installed to distalize the upper arch with no need for patient compliance or auxiliary devices. Self-ligating brackets were used to reduce friction on posterior teeth, thus facilitating movement with light force application. At the end of 19 months, the patient presented with class I good overbite and overjet, and adequate space for implant and prosthetics; also, good facial esthetic was maintained. CONCLUSION: When indicated, space opening may provide excellent esthetics and functional results, and even more predictable results when skeletal anchorage miniplates are used to distalize all posterior teeth. CLINICAL SIGNIFICANCE: Considering the high level of esthetic and functional compromise caused by dental agenesis, the technique hereby described represents a viable mechanic alternative within orthodontic possibilities. PMID- 29208800 TI - Spanning the Horizon of Accuracy of Different Intraoral Radiographic Modalities: A Systematic Review. AB - AIM: This study was conducted with an aim to systematically review the literature for assessing the accuracy of intraoral radiographs in detection of dental caries. INTRODUCTION: Despite the advancements in oral disease science, dental caries continues to be a worldwide health concern, affecting humans of all ages. Correct diagnosis of caries is critical both in clinical practice as well as in epidemiology and radiography are worthwhile adjunct for a thorough examination. RESULTS: A literature review was performed in PubMed Central and Cochrane library, Embase, and Google Scholar, and these databases were searched up to 2016. The primary outcome measure was to assess the accuracy of intraoral radiographs in the detection of dental caries based on sensitivity and specificity. The sensitivity for conventional radiographs for the detection of lesions in enamel (16-68%) and dentin (16-96%) was found to be superior as compared with other modalities of digital radiography, whereas the specificity of digital radiography was found to be superior in detection of lesion in enamel (77 96%) and dentin (84-100%) when compared with conventional radiography. Sensitivity of conventional radiographs was noted to be superior as compared with digital radiography, whereas in terms of specificity, digital was found to be superior to conventional radiographs. CONCLUSION: Although there was no significant difference between digital and conventional radiography in the diagnosis of caries, conventional radiographs were able to detect carious lesion, in general, but for lesion to be detected precisely, digital was found to be superior. CLINICAL SIGNIFICANCE: As digital radiography produces lower ionizing radiation, dental professionals should employ this method in their routine dental practice for diagnosing and treating carious lesions. PMID- 29208801 TI - Grossing of Oral Pathologies-Revisited. AB - Grossing pathologies, otherwise known as macroscopic cutup for diagnostic information, is a vital laboratory step as it impacts the patient treatment and prognosis. However, it is a challenging skill acquired with keen observation, experience, and correlation between macroscopy and microscopy. Before we make an attempt to gross, it is imperative to have sound knowledge about its general principles and its applications as it differs among different lesions. Thereby, we have made an attempt to enhance the guidelines for gross description and also updated on the general principles. A practical insight has been provided with respect to grossing of oral mucosal biopsies, pathology of malignancies, odontogenic cysts, cystic odontogenic tumors, salivary gland pathologies, and lymph nodes along with the brief history of gross pathology. PMID- 29208802 TI - Eliminating cataract blindness: Are we on target? PMID- 29208803 TI - Cataract surgery: The journey thus far. PMID- 29208804 TI - Cataract surgery and controversy: Susruta-Daviel-Kelman. PMID- 29208805 TI - Endophthalmitis prophylaxis in cataract surgery. PMID- 29208806 TI - Cataract surgery training during ophthalmology residency in India: Challenges and how to overcome them? PMID- 29208807 TI - Review of manual small-incision cataract surgery. AB - Cataract surgery has undergone many changes with the size of incision progressively decreasing over time with an incision of 12.0 mm for intracapsular cataract extraction to 2.2-2.8 mm in phacoemulsification. However, phacoemulsification due to high cost and equipment maintenance cannot be employed widely in developing countries. Manual small-incision cataract surgery (MSICS) offers similar advantages with the merits of wider applicability, less time consuming, a shorter learning curve, and lower cost. MSICS can be performed in high-volume setups due to fast technique. Here, we review the various techniques, safety and efficacy of MSICS, and its progress and utility in developing and underdeveloped countries. PMID- 29208808 TI - Intraocular lens calculations in atypical eyes. AB - Cataract surgery is the most performed surgical procedure in the field of ophthalmology. The process of intraocular lens (IOL) calculations is a critical step to achieving successful outcomes. Many IOL formulae exist to guide surgeons through the difficult process of picking the most appropriate lens to achieve a certain target refraction. However, these formulae reach within 0.50 diopters of the target refraction only 75% of the time, leaving 25% of the eyes with a significant refractive surprise. A literature review was performed to investigate all the relevant published material on the history, progress, and recent advancements of IOL calculations. Based on this review, the appropriate history, evolution, progress, limitations, and recent advancements are analyzed and explained. Although the modern IOL formulae and biometric devices perform well for average eyes, they are suboptimal for eyes with atypical biometric parameters and also those that are postrefractive and keratoconic. There has not been a single, perfect formula that can resolve the complexities of this process. Various methods of formula optimization and newer generation of IOL formulae and devices may hold the key to improving outcomes in both typical and atypical eyes. These solutions minimize refractive error by introducing new input parameters and complex mathematical techniques to better estimate postoperative lens position. PMID- 29208809 TI - Optimizing outcomes with multifocal intraocular lenses. AB - Modern day cataract surgery is evolving from a visual restorative to a refractive procedure. The advent of multifocal intraocular lenses (MFIOLs) allows greater spectacle independence and increased quality of life postoperatively. Since the inception in 1980s, MFIOLs have undergone various technical advancements including trifocal and extended depth of vision implants more recently. A thorough preoperative workup including the patients' visual needs and inherent ocular anatomy allows us to achieve superior outcomes. This review offers a comprehensive overview of the various types of MFIOLs and principles of optimizing outcomes through a comprehensive preoperative screening and management of postoperative complications. PMID- 29208810 TI - Optimizing outcomes with toric intraocular lenses. AB - Toric intraocular lenses (IOLs) are the procedure of choice to correct corneal astigmatism of 1 D or more in cases undergoing cataract surgery. Comprehensive literature search was performed in MEDLINE using "toric intraocular lenses," "astigmatism," and "cataract surgery" as keywords. The outcomes after toric IOL implantation are influenced by numerous factors, right from the preoperative case selection and investigations to accurate intraoperative alignment and postoperative care. Enhanced accuracy of keratometry estimation may be achieved by taking multiple measurements and employing at least two separate devices based on different principles. The importance of posterior corneal curvature is increasingly being recognized in various studies, and newer investigative modalities that account for both the anterior and posterior corneal power are becoming the standard of care. An ideal IOL power calculation formula should take into account the surgically induced astigmatism, the posterior corneal curvature as well as the effective lens position. Conventional manual marking has given way to image-guided systems and intraoperative aberrometry, which provide a mark-less IOL alignment and also aid in planning the incisions, capsulorhexis size, and optimal IOL centration. Postoperative toric IOL misalignment is the major factor responsible for suboptimal visual outcomes after toric IOL implantation. Realignment of the toric IOL is needed in 0.65%-3.3% cases, with more than 10 degrees of rotation from the target axis. Newer toric IOLs have enhanced rotational stability and provide precise visual outcomes with minimal higher order aberrations. PMID- 29208811 TI - Reviewing the visual benefits of femtosecond laser-assisted cataract surgery: Can we improve our outcomes? AB - Femtosecond laser-assisted cataract surgery (FLACS) was introduced in 2009 and has increasingly been incorporated into surgical practice. The automation of three key aspects of cataract surgery was expected to deliver a significant improvement in both refractive and safety outcomes. The published literature has not yet shown consistent refractive improvement above conventional techniques. The purpose of this paper is to review current FLACS refractive outcomes and explore factors that may have contributed to the current findings and whether future improvements are possible. PMID- 29208812 TI - Cataract surgery in small pupils. AB - This paper presents the review of historical aspects and the current state-of-the art in various pupil dilatation methods to be used in cataract surgery. The surgical algorithm in managing small pupil cases should include topical and intraocular mydriatics, appropriately selected viscosurgical device and mechanical dilatation with instruments, iris hooks, and/or pupil expanders. PMID- 29208813 TI - Decision-making and management of uveitic cataract. AB - The visual outcome of uveitic cataract surgery depends on the underlying uveitic diagnosis, the presence of vision-limiting pathology and perioperative optimization of disease control. A comprehensive preoperative ophthalmic assessment for the presence of concomitant ocular pathology, with particular emphasis on macula and optic nerve involvement, is essential to determine which patients will benefit from improved vision after cataract surgery. Meticulous examination in conjunction with adjunct investigations can help in preoperative surgical planning and in determining the need for combined or staged procedures. The eye should be quiescent for a minimum of 3 months before cataract surgery. Perioperative corticosteroid prophylaxis is important to reduce the risk of cystoid macular edema and recurrence of the uveitis. Antimicrobial prophylaxis may also reduce the risk of reactivation in eyes with infectious uveitis. Uveitic cataracts may be surgically demanding due to the presence of synechiae, membranes, and pupil abnormalities that limit access to the cataract. This can be overcome by manual stretching, multiple sphincterotomies or mechanical dilation with pupil dilation devices. In patients <2 years of age and in eyes where the inflammation is poorly controlled, intraocular lens implantation should be deferred. Intensive local and/or oral steroid prophylaxis should be given postoperatively if indicated. Patients must be monitored closely for disease recurrence, excessive inflammation, raised intraocular pressure, hypotony, and other complications. Complications must be treated aggressively to improve visual rehabilitation. With proper patient selection, improved surgical techniques and optimization of peri- and post-operative care, patients with uveitic cataracts can achieve good visual outcomes. PMID- 29208814 TI - Pediatric cataract. AB - Pediatric cataract is a leading cause of childhood blindness. Untreated cataracts in children lead to tremendous social, economical, and emotional burden to the child, family, and society. Blindness related to pediatric cataract can be treated with early identification and appropriate management. Most cases are diagnosed on routine screening whereas some may be diagnosed after the parents have noticed leukocoria or strabismus. Etiology of pediatric cataract is varied and diagnosis of specific etiology aids in prognostication and effective management. Pediatric cataract surgery has evolved over years, and with improving knowledge of myopic shift and axial length growth, outcomes of these patients have become more predictable. Favorable outcomes depend not only on effective surgery, but also on meticulous postoperative care and visual rehabilitation. Hence, it is the combined effort of parents, surgeons, anesthesiologists, pediatricians, and optometrists that can make all the difference. PMID- 29208815 TI - Managing the posterior polar cataract: An update. AB - Posterior polar cataracts (PPC) have always been a challenge for cataract surgeons due to their inherently higher propensity for posterior capsule rupture. Over the years, several technical modifications have been suggested to enhance safety and reduce posterior capsule rupture rates in these polar cataracts. This review article tries to present the various techniques and strategies to published in literature to manage PPCs. It also discusses pearls for making surgery more reproducible and consistent, as well as the role of newer diagnostic and surgical technology based on the published literature on the subject. PMID- 29208816 TI - Posterior capsular rent: Prevention and management. AB - This review article deals with a potentially sight threatening complication - rupture of the posterior capsule - during cataract surgery. Cataract surgery is the most commonly performed surgical procedure in ophthalmology and despite tremendous technical and technological advancements, posterior capsular rent (PCR) still occurs. PCR occurs both in the hands of experienced senior surgeons and the neophyte surgeons, although with a higher frequency in the latter group. Additionally, certain types of cataracts are prone to this development. If managed properly in a timely manner the eventual outcome may be no different from that of an uncomplicated case. However, improper management may lead to serious complications with a higher incidence of permanent visual disability. The article covers the management of posterior capsular rent from two perspectives: 1. Identifying patients at higher risk and measures to manage such patients by surgical discipline, and 2. Intraoperative management of posterior capsular rent and various case scenarios to minimize long-term complications.This review is written for experienced and not-so-experienced eye surgeons alike to understand and manage PCR. PMID- 29208817 TI - Glued intrascleral haptic fixation of an intraocular lens. AB - Glued intrascleral haptic fixation of an intraocular lens (glued IOL) has evolved as a technique with various modifications that are adopted and practiced by several surgeons. With adequate and appropriate haptic tuck, glued IOL imparts a stable IOL fixation and is a secured method of secondary IOL placement with no pseudophacodonesis. PMID- 29208818 TI - Corneal edema after phacoemulsification. AB - Phacoemulsification is the most commonly performed cataract surgery in this era. With all the recent advances in investigations and management of cataract through phacoemulsification, most of the patients are able to achieve excellent visual outcome. Corneal edema after phacoemulsification in the immediate postoperative period often leads to patient dissatisfaction and worsening of outcome. Delayed onset corneal edema often warrants endothelial keratoplasty. This review highlights the etiopathogenesis, risk factors, and management of corneal edema in the acute phase including descemet's membrane detachment (DMD) and toxic anterior segment syndrome. Various investigative modalities such as pachymetry, specular microscopy, anterior segment optical coherence tomography, and confocal microscopy have been discussed briefly. PMID- 29208819 TI - Antibiotic prophylaxis in cataract surgery - An evidence-based approach. AB - Various protocols are being followed for endophthalmitis prophylaxis in cataract surgery, and this subject continues to be a matter of debate. We summarize the most recent evidence-based studies on this topic with additional stress on intracameral (IC) antibiotic prophylaxis. Here, we discuss several large, international clinical studies which discuss the efficacy, adoption, safety, cost, and newer trends in antibiotic prophylaxis. Majority of these studies report a significant reduction in endophthalmitis rates with IC antibiotic prophylaxis. Efficacy data have been reported for IC cefuroxime, vancomycin, and moxifloxacin. Surgeons are now looking for alternatives to vancomycin for IC prophylaxis because of its association with the rare but sight-threatening complication of hemorrhagic occlusive retinal vasculitis. A recent large clinical study shows convincing efficacy with IC moxifloxacin prophylaxis. Two large studies have also reported significant endophthalmitis reduction following use of IC antibiotic prophylaxis, in eyes with posterior capsule tear which are at highest risk for infection. Except for one randomized controlled trial, there is a lack of prospective data on this subject; however, considering the complexity of performing such studies, surgeons have to rely on the mounting evidence from other recent big data studies. Availability of approved intraocular antibiotic formulations will see a much higher adoption in the future. PMID- 29208820 TI - Prevention and management of postoperative endophthalmitis: A case-based approach. AB - Endophthalmitis following intraocular surgery is a disastrous complication and can lead to poor visual outcomes and loss of globe integrity. It should be differentiated from toxic anterior segment syndrome (TASS) where management differs drastically. This article presents basic knowledge about postoperative endophthalmitis and describes nine different real-world scenarios ranging from TASS to milder forms of endophthalmitis responding to intravitreal antibiotics alone and more complicated forms associated with corneal involvement, fungal endophthalmitis and cases requiring intraocular lens removal, radical vitrectomy with hyaloid peeling, base dissection, and silicone oil. A case-based approach is followed where practical considerations have been adopted with each case such that it facilitates the readers' ability to apply theoretical knowledge to real life clinical situations. PMID- 29208821 TI - Redefining evidence in the management of acute post-cataract surgery endophthalmitis in India - The 2014 Adenwalla Oration, All India Ophthalmological Society. AB - The current evidence of postoperative endophthalmitis management in three important components of care-infection control, inflammation control, and prevention was reviewed, and their current relevance and application in an Indian context were evaluated. The publications from India indicated that Gram-negative bacterial and filamentous fungal infections are relatively higher. There are increasing instances of resistance to ceftazidime by Gram-negative microorganisms. Intravitreal dexamethasone limits inflammation in bacterial endophthalmitis when given together with the intravitreal antibiotics. Intracameral antibiotic could reduce postcataract surgery infection at least in less rigorous surgical environment. Systematic collection of data and periodic evaluation of the current practice against the new evidence are necessary to prevent or treat postcataract surgery endophthalmitis. PMID- 29208822 TI - B-HEX pupil expander: Pupil expansion redefined. AB - The B-HEX(r) Pupil Expander (Med Invent Devices) is a disposable 6.5 mm flexible hexagonal device with notches at corners and flanges at sides. Alternate flanges with positioning holes are tucked under the iris to engage the notches to the margin of the pupil to provide a 5.5 mm expanded pupil. Unlike devices with scrolls or pockets which require an injector to avoid snagging the incision, the preloaded B-HEX is inserted and removed through a 1 mm or larger incision using a manipulator or 23-gauge micro-forceps. The thin profile and uniplanar design allow unhindered instrument movement during phacoemulsification, cortical cleaning, and intraocular lens implantation. The B-HEX is safely used even after capsulorhexis since the thin uniplanar notches are directly visualized to avoid the capsule margin. It is useful in coaxial phacoemulsification, coaxial sub 2.00 mm micro incision cataract surgery (MICS), biaxial 1.5 mm MICS, femtosecond laser assisted cataract surgery (FLACS), small pupil pars plana vitrectomy, and shallow anterior chamber eyes. PMID- 29208823 TI - Zepto precision pulse capsulotomy: A new automated and disposable capsulotomy technology. AB - Despite the appeal of an automated method of creating a perfectly circular anterior capsulotomy, global adoption of femtosecond laser capsulotomy (FSLC) has been limited by its high acquisition and per case cost. In addition, the femtosecond laser's large size and the need for eye docking create surgical efficiency and workflow challenges. The Zepto precision pulse capsulotomy (PPC) technology creates a circular anterior capsulotomy of a precise diameter using a disposable handpiece and tip that are used in the normal surgical sequence. Extensive preclinical and clinical testing has resulted in the US Food and Drug Administration (FDA) approval of the technology. Zepto PPC holds promise for complicated eyes such as those with intumescent or brunescent lenses, zonulopathy, or small pupils. This paper and the accompanying videos describe and demonstrate the technique and review the published studies. PMID- 29208824 TI - Terminal chop: New technique for full thickness nuclear segmentation in mature hard cataract. AB - We describe an efficient technique, "Terminal Chop," for full thickness nuclear segmentation in mature hard cataracts. Terminal chop utilizes the principle of secondary rock breakage system with stress concentration to break these hard nuclei. In this technique consonant to drag picks, a specially designed chopper "Terminator" is used to initiate a unique dispersive mechanical force to create a full thickness nuclear crack (crack formation) at the weakest soft and thin equator, which automatically traverses through the center and to the equator on the other side. Lateral separation of both the instruments placed at the equator, propagates the initial full thickness nuclear crack (crack propagation), breaking the entire nucleus into two complete pieces including the posterior plate. The direction of splitting follows the cleavage plane in a more direct manner, thus requiring least fracture force, least manipulation and stress, much lower than compressive stress, causing minimal trauma, and highly satisfactory postoperative results. PMID- 29208825 TI - Spatula scaffold: An iris-sparing technique for lensectomy. AB - Lensectomy with vitrectomy is often performed for crystalline lenticular subluxation. We report a new technique and a practical approach that involves the placement of a spatula beneath the iris tissue that facilitates retroiridial removal of subluxated lens and acts as a scaffold by protecting the iris tissue from being accidentally trapped into the vitrectomy cutter port. Our technique facilitates management of the lens and vitreous without any trauma to the iris and secondarily obviates the need to perform an iris repair procedure that may arise due to iatrogenic reasons. PMID- 29208826 TI - Limited vitrectomy in phacomorphic glaucoma. AB - One of the challenging situations for a cataract surgeon is phacoemulsification in the shallow anterior chamber like cases of phacomorphic glaucoma. Some of the main concerns of operating in a narrow space include endothelial decompensation, descemet's detachment, and posterior capsular rents. High vitreous pressure predisposes to posterior capsular rents owing to a reduced concavity of the posterior capsule and increasing the proximity of phaco-tip to the posterior capsule. We describe a technique of limited vitrectomy in such cases. A small gauge 23-G/25-G trocar cannula is passed transconjunctivally, and the liquefied vitreous is allowed to egress. Vitrectomy is done extraocularly till the vitreous pressure lowers down. This technique helps to debulk the vitreous and decompress the globe in a controlled manner. The resultant posterior displacement of iris lens diaphragm causes a deepening of the anterior chamber to facilitate phacoemulsification. PMID- 29208827 TI - Optimizing optical outcomes of intraocular lens implantation by achieving centration on visual axis. AB - In existing designs of intraocular lenses (IOLs), optical outcomes are compromised even after perfectly executed surgery. The reason for this is misalignment of optical axis of the eye and its visual axis. There is a need to design an IOL which compensates for this misalignment and hence enhances the optical outcomes of cataract surgery. The present innovation attempts to fulfill this unmet need and optimizes optical outcomes of all IOLs of different optical profiles - spherical, aspheric, toric, and multifocal. In addition, the improvised design of IOL offers other benefits such as delaying the formation of after-cataract and ameliorating negative dysphotopsia. PMID- 29208828 TI - A simple technique of intraocular lenses explantation for single-piece foldable lenses. AB - Foldable intraocular lenses (IOLs) are most commonly used in modern-day cataract surgery. Explantation of these IOLs is not frequently encountered, but sometimes extreme situations may demand the same. Commonly explantation is achieved by bisecting the IOL inside the anterior chamber with a cutter and delivering the pieces out one by one. This may require corneal wound extension with associated damage and endothelial loss leading to visual deterioration. We devised a simple, innovative IOL explantation technique utilizing a modified Alcon A cartridge and snare. This can successfully refold the IOL to be explanted inside the eye and deliver it out through the same wound. The device has limitations with very thick optic lenses, multipiece, and silicon IOLs. In conclusion, we describe a simple, innovative, and reproducible technique to explant almost any single piece IOL without compromising the original surgery and yielding very satisfactory outcomes. PMID- 29208829 TI - Comparative analysis of endothelial cell loss following phacoemulsification in pupils of different sizes. AB - PURPOSE: To compare Endothelial cell(EC) loss following Phacoemulsification (PKE) in pupils of different sizes. METHODS: A prospective double masked observational study in which a total of 150 eyes of 150 patients between 50 & 70 years of age with senile cataract of nuclear sclerosis grade II were enrolled. Patients were allocated into three groups of 50 eyes each in Group A (pupil size <5 mm), Group B (pupil size 5-7 mm) and Group C (pupil size >7 mm). Pupillary size was measured by determining the height of slit on slit-lamp biomicroscope examination. PKE was done by the same expert surgeon using vertical chop technique and a foldable intraocular lens was implanted in the capsular bag. Corneal EC count and pachymetry were performed twice and average of 2 readings was taken for the purpose of this study. Measurements were taken preoperatively and postoperatively on day 1, day 7 and day 30. RESULTS: The mean EC count loss on postoperative day 1 in Group A was 19.45%, Group B 14.89%, Group C 10.19% with statistical significant difference between Group A and Group B, as also Group A and Group C. The difference was not significant between Group B and Group C, though there was a fall in EC count in Group C as well. Increase in corneal thickness on postoperative day 1 in group A was 5.43%, Group B 3.55%, Group C 2.14% with statistical significant difference between Group A and Group B, as also Group A and Group C with no difference in Group B and Group C. CONCLUSION: PKE done in eyes with maximal pupillary dilatation of <5 mm causes a greater EC loss and results in thicker corneas postoperatively as compared to eyes with pupillary dilatation of >5 mm at the end of one month. PMID- 29208830 TI - Lens decompression technique for prevention of intraoperative complications during phacoemulsification of intumescent cataract. AB - PURPOSE: To evaluate intraoperative complications during phacoemulsification of intumescent cataract using lens decompression technique. METHODS: Participants with intumescent cataract scheduled for phacoemulsification were recruited and divided into two groups. In both groups, after the anterior capsule was stained with trypan blue, the anterior chamber was filled peripherally with a dispersive ophthalmic viscosurgical device (OVD) followed centrally by a higher viscosity cohesive OVD (Healon GV). In Group 2, a 25-gauge needle was then inserted into the lens center and liquid cortex aspirated by pulling back on the syringe plunger. The outcomes measured were the incidence of capsular radial tears and the incidence of conversion to extracapsular cataract extraction (ECCE). RESULTS: In Group 1 (20 eyes), capsular radial tears occurred in four eyes, and in two eyes, the procedure had to be converted to ECCE. In Group 2 (20 eyes), no capsular radial tears or conversion to ECCE was reported. CONCLUSION: Lens decompression technique reduced the risk of capsular radial tears and conversion to ECCE during phacoemulsification of intumescent cataract. PMID- 29208831 TI - Long-term results of trypan blue dye irrigation in the capsular bag to prevent posterior capsule opacification: A randomized trial. AB - PURPOSE: To study the effect of capsular bag irrigation of trypan blue dye (0.06%) on posterior capsular opacification (PCO) in eyes undergoing phacoemulsification. METHODS: This was a randomized, trial conducted at a tertiary eye care center in central India. The study included 50 patients (100 eyes) with senile cataracts who were scheduled for phacoemulsification and intraocular lens (IOL) implantation and were willing to undergo bilateral cataract surgery. One eye of each patient was randomized to one of two groups. The dye group received 0.2 ml of trypan blue injected in the capsular bag after cortical cleanup under air. The control group (other eye of the same patient) received 0.2 ml of balanced salt solution injected in a similar manner. PCO in the central 3 mm area of IOL optic was analyzed by a masked observer using an evaluation of PCO software computer analysis system at 6, 12, 24, and 36 months. RESULTS: The average age of patients was 62.05 +/- 6.22 in the dye group and 64.92 +/- 7.16 years in the control group. The mean PCO score at 6 months was significantly lower in the dye group (0.10 +/- 0.15) than in the control group (0.22 +/- 0.30). There were no significant differences in the PCO scores between the two groups from 12 to 36 months. At the end of 3 years, eight eyes in the dye group and seven in the control group required YAG capsulotomy (P = 0.21). CONCLUSION: Capsular bag irrigation of trypan blue dye decreased the PCO score at 6 months, but it had no effect at 36 months. PMID- 29208832 TI - Comparison of visual performance and after cataract formation between two monofocal aspheric intraocular lenses following phacoemulsification for senile cataract: A randomized controlled study. AB - PURPOSE: Monofocal aspheric intraocular lenses (IOLs) provide better visual outcome compared to other available IOLs following cataract surgery. However, the imported IOLs are expensive and are not affordable by all subset of patients in low- to middle-income countries like India. The aim of this study is to compare the safety and efficacy of a relatively low cost indigenous IOL (Acriol EC) with an imported aspheric IOL (AcrySof IQ). METHODS: A randomized controlled trial was conducted at a tertiary care centre. Two hundred and five eyes of 137 patients >45 years of age with uncomplicated age-related cataract were recruited. All cases underwent standard phacoemulsification and randomly assigned to one of the IOL implantations (Group I: AcrySof IOL; Group II: Acriol EC IOL). Primary outcome measure was best-corrected visual acuity (BCVA). Secondary outcomes included visual function (VF) score, spherical equivalent, contrast sensitivity, optical aberrations, and posterior capsular opacification. Independent t-test to compare two means; Mann-Whitney test; Pearson's Chi-square test, and McNemar's test were used for analyzing the nonparametric data such as incidence of posterior capsule opacification. RESULTS: There was no significant difference in the mean postoperative BCVA at 1, 3, 6, and 12 months in either group (P > 0.05). The contrast sensitivity, wavefront aberrations, VF score, and posterior capsular opacification were comparable between the groups except for higher-order aberrations and spherical aberration, which were higher in Group II. CONCLUSIONS: Acriol EC IOL provides visual outcomes comparable to other commonly used aspheric IOLs with comparable safety and efficacy at an affordable cost. PMID- 29208833 TI - Sutureless 27-gauge needle-assisted transconjunctival intrascleral intraocular lens fixation: Initial experience. AB - PURPOSE: The purpose of the study was to report our initial experience with the transconjunctival Intrascleral Intraocular Lens (SFIOL) fixation with modified Yamane's double-needle technique and flanged haptics. METHODS: This was a prospective interventional study that enrolled 31 consecutive patients undergoing SFIOL with the modified Yamane's technique. All patients underwent comprehensive evaluation including uncorrected and best-corrected vision, intraocular pressure, ultrasound biomicroscopy, endothelial cell density, and macular thickness using optical coherence tomography (OCT). We excluded patients with visually significant coexistent pathology such as corneal scars, macular pathology, and glaucoma. RESULTS: The mean age of subjects was 57 +/- 16.9 years and 23 were men (74%). Surgery was performed for aphakia following complicated cataract surgery in 10 eyes (32%), with lensectomy for subluxated/dislocated cataract in 6 eyes (19%), and with IOL explantation for subluxated/dislocated IOL in 15 eyes (48%). There were no intraoperative complications. Uncorrected visual acuity improved from median of 1.48 logarithm of minimum angle of resolution (logMAR) units (interquartile range [IQR] = 1.3-2 logMAR) at baseline to 0.3 logMAR (IQR = 0.2 0.4 logMAR) at 6 weeks (P < 0.001) which was maintained at 6 months. There were no significant changes in endothelial cell density (P = 0.34) and OCT-based macular thickness (P = 0.31) at 6 months. Two eyes had slight IOL decentration. CONCLUSION: Our initial experience suggests that the Yamane's technique for SFIOL is a simple procedure with a short-learning curve and is independent of scleral flaps, tunnels, sutures, and fibrin glue. Using widely available 27-gauge needle instead of 30-gauge thin wall needle as originally described by Yamane makes it possible for the use of various three-piece IOLs available globally. Further studies are required for widespread acceptance of this technique. PMID- 29208834 TI - Sutureless glueless intrascleral fixation of posterior chamber intraocular lens: Boon for aphakic. AB - PURPOSE: To report results of intrascleral fixation of 3-piece IOL without the help of suture and glue. METHODS: Study included intrascleral fixation of haptic in 50 eyes by T-fixation technique. Preoperative and postoperative visual acuity, slit lamp and fundus examination, applanation tonometry, keratometry, biometry, optical coherence tomography, Scheimpflug imaging were done for extensive evaluation. Qualitative and quantitative data were summarized in the form of proportion and mean and standard deviation, respectively. The significance of difference was measured by Chi-square test or unpaired t-test or ANOVA whichever is appropriate. P < 0.05 was considered as statistically significant. RESULTS: There was one case in which haptic broke during handshake maneuver and another IOL was required. Postoperative complications included corneal edema (4%), increased intraocular pressure (6%), cystoid macular edema (2%), decentration (4%), and dislocation (2%), which were all managed to the level of good visual recovery. There was no significant change in corneal astigmatism. There was significant change found in best-corrected visual acuity and uncorrected visual acuity after surgery. CONCLUSION: This modified technique seems to be a good alternative in IOL implantation in eyes with deficient capsules in view of the decrease in the learning time and surgical time and risk for complications. PMID- 29208835 TI - Effects of Fuchs uveitis syndrome on the ultrastructure of the anterior lens epithelium: A transmission electron microscopic study. AB - PURPOSE: The purpose of the study was to investigate the electron microscopic findings of the lens epithelial cells (LECs) in patients with Fuchs uveitis syndrome (FUS) who suffered from cataracts and to compare those with age-matched controls. METHODS: This study was a prospective, comparative case series. The anterior lens capsules (ALC: basement membrane and associated LECs) were taken from 12 eyes of 12 cases of FUS and ten eyes of ten control patients. The ALCs were obtained from cataract surgery and prepared for transmission electron microscopy (TEM). RESULTS: There were no statistically significant differences regarding the age or gender between the FUS group and the control group (P > 0.05). In the TEM examinations of the ALCs, all of the FUS cases revealed similar significant ultrastructural changes when compared to the control patients. In the FUS group, the LECs showed homogeneous thickening and irregularity which included some small vacuoles in different areas of the epithelial tissue. Moreover, in some areas of the LECs, widespread, oval-shaped, pigment clusters were detected. Conversely, in the control group, the LECs and all of their elements were in normal ultrastructural patterns, with the exception of some small intraepithelial vacuoles which were fewer and smaller than those in the FUS group. CONCLUSION: Ultrastructural analysis of the ALC of the patients with FUS disclosed some significant alterations which may be related to the summation of oxidative stress, intraocular inflammation, and iris atrophy. PMID- 29208836 TI - Clinical outcomes in traumatic pseudophacocele: A rare clinical entity. AB - PURPOSE: The purpose of this study is to evaluate the clinical outcomes in patients with traumatic pseudophacocele. METHODS: In this retrospective, interventional case series, scleral wound repair with pars plana vitrectomy and glued intrascleral fixation of an intraocular lens (glued IOL) was performed in 5 eyes of 5 patients. Pupilloplasty was performed in 3 cases whereas aniridia glued IOL fixation was done in 1 case that had total avulsion and loss of iris tissue. The main outcome measures were best-corrected visual acuity (BCVA), intraoperative and postoperative complications during the entire follow-up period. RESULTS: The preoperative vision ranged from hand movement to perception of light in all the patients. The mean postoperative BCVA was 0.42 +/- 0.21 Snellen's decimal equivalent (SDE) at final follow-up. Postoperatively, all the cases retained good visual acuity with case 1 and case 2 reporting 0.5 SDE, case 3 had 0.33 SDE, case 5 had 0.67 SDE whereas case 4 had a final visual acuity limited to 0.1 SDE due to associated corneal opacity. The mean follow-up period was 20.2 +/- 11.7 months (range from 9 months to 36 months). The IOL was well centered, all the wounds were well apposed and the mean postoperative intraocular pressure was 14.6 +/- 1.95 mm Hg. No complications were reported in the entire follow-up period. CONCLUSION: The clinical outcomes of management of pseudophacocele were encouraging with retention of reasonably good visual potential in all cases. PMID- 29208838 TI - Endophthalmitis prophylaxis: My perspective. PMID- 29208837 TI - Antibiotic prophylaxis practice patterns for cataract surgery in India - Results from an online survey. AB - PURPOSE: The aim of this study is to assess the current antibiotic prophylaxis practice patterns for cataract surgery in India. METHODS: This was a questionnaire-based E-survey carried out at a tertiary eye care center in India. An E-mail invitation to complete an online 20 point questionnaire survey was sent to all members of the All India Ophthalmological Society with valid E-mail addresses using a digital E-mail service. Duplicate entries were prevented. RESULTS: Out of 1228 total respondents (8.2%) who completed the survey 38% reported using routine intracameral (IC) antibiotic prophylaxis. Another 7% place antibiotics in the irrigating solution. Of those using IC antibiotic prophylaxis, 91% adopted this practice within the past 2 years; 92% are using moxifloxacin with 56% using a commercially available moxifloxacin formulation. Those predominantly performing phacoemulsification (43% vs. 25% performing mostly manual small incision cataract surgery, P < 0.001) and more than 500 cataract surgeries annually (45% vs. 33%, P < 0.001) reported greater use of IC moxifloxacin. Self-reported endophthalmitis rates were statistically significantly greater in those not using IC antibiotics (0.045% vs. 0.036, P = 0.04). Although a majority of respondents believe that IC antibiotics are an important option (54%) and that it is important to have a commercially available solution (68%), many believe that other antibiotic prophylaxis methods are sufficient (31%). CONCLUSION: IC antibiotic prophylaxis for cataract surgery has sharply increased in India. In contrast to the West, intraocular moxifloxacin, which is commercially available in India, is preferred by the vast majority of users. PMID- 29208839 TI - Safety, efficacy and cost-effectiveness of consecutive bilateral cataract surgery on two successive days in tribes at base hospital through community outreach program: A prospective study of Aravali Mountain, North West India. AB - PURPOSE: The aim of the study was to evaluate the safety and efficacy of consecutive bilateral cataract surgery (CBCS) on two successive days in a single hospital visit. METHODS: Prospective study was conducted on 565 patients of various tribes of hilly area of West Rajasthan who had come to our hospital through community outreach programmed (CORP) between January 2015 and March 2016. Patients with significant bilateral cataract without any other ocular morbidity were advised bilateral manual small incision cataract surgery on two consecutive days. Intraoperative and postoperative complications were evaluated, and follow up was done at 1 week, 1 month, and 3 months. RESULTS: Out of 565 patients, 519 underwent both eye surgeries. Second eye surgery was deferred for a later date in 46 cases. Because of intraoperative and postoperative complications in the first eye, 31 had delayed surgeries while 15 patients refused to undergo another eye surgery either because of postoperative day 1 poor vision in the operated eye due to retinal pathologies (n = 8) or unwillingness (n = 7). The second eye surgery was performed for 519 patients, out of whom six had intra or postoperative complications. At 1 month follow-up, four patients had unilateral cystoid macular edema and three had prolonged postoperative inflammation. At 3 months, all patients were satisfied and had no complications. None of the patients had sight threatening complications such as endophthalmitis, corneal decompensation, or vitreoretinal complications. CONCLUSION: CBCS may be considered safe and cost effective for patients living in remote locations, dependent on CORP. PMID- 29208841 TI - Soemmering's ring. PMID- 29208840 TI - Awareness and eye health-seeking practices for cataract among urban slum population of Delhi: The North India eye disease awareness study. AB - PURPOSE: The objective of the study was to assess the awareness and health seeking practices related to cataract in urban slums of Delhi. METHODS: This study design was a population-based cross-sectional study. Participants aged 18 60 years were recruited from randomly selected five slums of South Delhi. They were interviewed using a semi-structured interview schedule on awareness and eye health-seeking practices related to cataract. The practices were recorded if the respondents themselves or any other member of the family was diagnosed with cataract in previous 2 years. RESULTS: A total of 1552 respondents participated in the study, of which, 89.9% had heard of cataract but only (42%) were aware of any symptom of cataract. The common symptoms of cataract reported by the participants were white opacity in eyes (25.9%) and loss of vision (20.6%). Surgery as a treatment of cataract was known to only 559 (40.1%) participants. Awareness about surgery as treatment of cataract was significantly higher among people aged 45-60 years (adjusted odds ratio = 2.89, 95% confidence interval = 2.11-3.97) and in educated people (adjusted OR = 3.69 95% CI = 2.37-5.73). Out of 84 respondents who had been diagnosed with cataract, the health-seeking practices were observed by 70 (83.3%) participants. Among them, 51 (72.9%) had undergone surgery and another 19 (27.1%) had been advised to wait for surgery. Most of the operated patients 48 (94.1%) attended the postoperative follow-up. CONCLUSION: The study findings suggest the majority of participants have heard of cataract, but there is low awareness of its symptoms and treatment, and good eye health seeking practices observed for cataract in urban slum population. Gaps in awareness observed can be filled up by implementing proper eye health education programs. PMID- 29208842 TI - Implantation of a double iris-claw intraocular lens in an aphakic nanophthalmic eye. AB - A 55-year-old female with an aphakic nanophthalmic eye underwent a secondary intraocular lens implantation (IOL) with double Artisan aphakia iris claw IOLs (ICIOLs) and was evaluated in this research. The patient's preoperative best corrected visual acuity (BCVA) of the right eye was 0.4 (0.4 logMAR) (with + 21.00 D), postoperative 1st and 3rd month, 1st year, and 3 years BCVAs were 0.4 (0.4 logMAR). The intraocular pressure was 15 mmHg preoperatively, and 14, 12, 12, and 15 mmHg postoperatively at 1st and 3rd month, 1st year, and 3 years, respectively. The preoperative endothelial cell density (ECD) was 2372 cells/mm2, and postoperative ECDs were 2352, 2391, 2246, and 2240 cells/mm2 at 1st and 3rd months, at 1st year, and 3 years respectively. In aphakic nanophthalmic eyes with inadequate capsular support, which require high IOL dioptry, the implantation of double ICIOLs (one in front of the iris and the other behind the iris) seems to be safe and provides good visual rehabilitation. PMID- 29208843 TI - Severe pigment dispersion after iris-claw phakic intraocular lens implantation. AB - A 23-year-old female patient presented 3 months after the implantation of an Artisan(r) phakic intraocular lens with a severe depigmentation of the iris and peripheral anterior synechiae. Explantation of the intraocular lens and goniosynechialysis were performed. Eleven months after the explantation appearance of the iris significantly improved. There was no loss of lines of corrected distance visual acuity. Severe pigment dispersion after the implantation of an Artisan(r) phakic intraocular lens may happen and may require explantation of the lens. Iris depigmentation may improve with time. PMID- 29208844 TI - A rare case of traumatic subretinal migration of crystalline lens, corroborated histologically. AB - Blunt trauma is the most common cause of posterior dislocation of the crystalline lens. We describe a rare case of subretinal migration of crystalline lens through the giant retinal tear following blunt ocular trauma. This incidental finding of subretinal dislocation of lens following blunt ocular trauma was confirmed on histopathological examination of the enucleated eye. This complication has not been described by histopathological examination in literature so far. PMID- 29208845 TI - Epilepsy among Systemic Lupus Erythematosus Patients: Insights from a Large Database Analysis. AB - OBJECTIVE: Epilepsy is characterized by a relevant epidemiological and clinical burden. In the extant literature, an increased risk of seizures has been described in several inflammatory/autoimmune disorders, including systemic lupus erythematosus (SLE). However, so far, relatively few and small size-based studies have been conducted. We aimed to investigate the link between seizure and SLE utilizing a large sample of subjects and extensive data analysis. METHODS: Patients with SLE were compared with age- and sex-matched controls regarding the prevalence of epilepsy in a cross-sectional study. Chi-square and t tests were used for univariate analysis and a logistic regression model was used for multivariate analysis. The study was performed utilizing the medical database of Clalit Health Services. RESULTS: The study included 5,018 patients with SLE and 25,090 age- and gender-frequency-matched controls. The proportion of epilepsy was found significantly higher among SLE patients (4.03 vs. 0.87%, p < 0.001). Using logistic regression, adjusting for multiple confounding factors, older age (>=70 years) resulted as negative predictor (OR 0.42 [95% CI 0.27-0.62], p <0.001), whereas the presence of SLE was a positive predictor of epilepsy (OR 4.70 [95% CI 3.94-5.82], p < 0.001). Interaction between SLE and elderly age resulted in high OR of 5.47 for epilepsy (95% CI 2.53-11.9). CONCLUSION: Our study confirms the higher prevalence of epilepsy in SLE patients. Physicians should be aware of such findings and have a lower threshold for suspecting epileptic seizures in these patients. Further studies are needed to better elucidate the mechanisms by which SLE favors the insurgence of seizures. PMID- 29208846 TI - Evaluation of the Efficacy of Ultrasound-Guided Local Lauromacrogol Injection Combined with Aspiration for Cesarean Scar Pregnancy: A Novel Treatment. AB - OBJECTIVES: To evaluate the efficacy of ultrasound-guided local lauromacrogol injection combined with aspiration for treating cesarean scar pregnancy (CSP). METHODS: From July 2016 to December 2016, 18 patients diagnosed with CSP were treated with ultrasound-guided local lauromacrogol injection combined with aspiration. Clinical data and outcome were analysed. RESULTS: All patients were treated successfully. The amount of bleeding ranged between 10 and 50 mL. The duration of hospitalization ranged between 2 and 11 days. Serum beta-human chorionic gonadotropin (beta-hCG) decreased to the nondetectable level within 19 41 days. Menstruation recovery occurred after 10-24 days of normalization of serum beta-hCG level. Reproductive functions were preserved, and there were no untoward effects or complications. CONCLUSIONS: Ultrasound-guided local lauromacrogol injection combined with aspiration is an effective CSP therapy, as it was associated with a high success rate, short hospitalization and fast recovery. However, its wider application and popularization have to be validated on a larger patient population affected by CSP. PMID- 29208847 TI - Effect of Etanercept on the Success of Assisted Reproductive Technology in Patients with Endometrioma. AB - AIMS: To determine the effects of a tumor necrosis factor inhibitor (etanercept) on pregnancy outcomes in patients with endometrioma who were treated with assisted reproductive technology. METHODS: Sixty-eight infertile patients who had endometrioma were included in our retrospective case-control study. We administered etanercept (Enbrel, 50 mg in 1 mL intramuscularly) to 19 patients on the second day of their previous menstrual cycle. All patients were treated with assisted reproductive technology. Pregnancy and live birth rates (LBR) were documented. RESULTS: When all other parameters (age, body mass index, infertility) are supposed to be constant, the clinical pregnancy rate was significantly higher in patients who used etanercept in an antagonist protocol than in patients who did not use etanercept (chi2 = 5.547; p = 0.019) but LBR did not reach a statistical significance (chi2 = 3.179; p = 0.075). The use of etanercept had an OR of 4.17 (95% CI 1.23-14.14) compared with not using etanercept for clinical pregnancy rate. The use of etanercept increased the rate of pregnancy (chi2 = 6.55; p = 0.01). The pregnancy rate with the use of etanercept had an OR of 4.23 (95% CI 1.35-13.25) compared with patients who did not use etanercept. In the same way, the use of etanercept increased LBR twofold, but it is not significant in the border line (chi2 = 3.771; p = 0.052). CONCLUSIONS: Etanercept may be a new non-hormonal therapy that may be an adjunct to treatment of infertile women with endometrioma. However, the safety of etanercept on embryos and fetuses has not been fully clarified. PMID- 29208848 TI - Assessment of Homocysteine as a Diagnostic and Early Prognostic Biomarker for Patients with Acute Lacunar Infarction. AB - BACKGROUND: Although increasing evidence has demonstrated that elevated homocysteine (Hcy) levels may be an important contributor for the development of cerebral infarction, rare studies focused on its diagnostic and early prognostic roles in acute lacunar infarction. METHODS: A total of 197 patients with acute lacunar infarction and 192 to form the control group were prospectively recruited between January 2013 and February 2017. Early neurological deterioration was defined as an increase of >=2 points in National Institutes of Health Stroke Scale or the decrease in Barthel index (BI) score at discharge. RESULTS: Univariate and multivariate logistic regression analyses revealed that higher levels of fibrinogen and Hcy were independently clinical predictors associated with lacunar infarction. Receiver operating characteristic curves analysis demonstrated that the diagnosis value of Hcy was superior to fibrinogen, with the area under the curve of 0.881 and 0.688 respectively. Using the optimal cutoff value of 15.5 MUmol/L of Hcy, a sensitivity of 65% and a specificity of 100% were achieved for predicting lacunar infarction. Hcy was only significantly related with BI reduction in the males (30.5 [15.5-65.5] vs. 18 [15-24], p = 0.034) in the univariate analysis but not in the females and the multivariate analysis. CONCLUSIONS: Serum Hcy may be an independent diagnostic and not an early prognostic biomarker for patients with acute lacunar infarction. PMID- 29208849 TI - Possessions Including Poltergeist: "Are You There, Madness?" AB - Beliefs involving the devil and possession figured in the nosography of mental illness that alienists gradually established during the 19th century. The description of this form of cenesthetic hallucination resulted in "the possessed" being viewed as patients, which protected them from the trials and punishments they so frequently faced in earlier centuries. According to psychologists, this illusion of mental duality is linked to impairment of introspective capacities. Current brain imaging suggests inappropriate activity of the default mode network, which interferes with attentional systems during the hallucinatory episode. PMID- 29208850 TI - Carotid Artery Stenosis Contralateral to Acute Tandem Occlusion: An Independent Predictor of Poor Clinical Outcome after Mechanical Thrombectomy with Concomitant Carotid Artery Stenting. AB - BACKGROUND AND PURPOSE: Cerebral ischemic strokes due to extra-/intracranial tandem occlusions (TO) of the anterior circulation are responsible for causing mechanical thrombectomy (MT). The impact of concomitant contralateral carotid stenosis (CCS) upon outcome remains unclear in this stroke subtype. METHODS: Retrospective analysis of prospectively collected data of 4 international stroke centers between 2011 and 2017. One hundred ninety-seven consecutive patients with anterior TO were treated with MT and acute carotid artery stenting (CAS). Clinical (including demographics and National Institutes of Health Stroke Scale [NIHSS]), imaging (including angiographic evaluation of CCS) and procedural data were evaluated. Favorable clinical outcome was defined as modified Rankin Scale (mRS) <=2 at 90 days. RESULTS: In 186 out of 197 TO patients preinterventional CT angiography was available for analysis, thereof 49 patients (26%) presented with CCS. Median admission NIHSS and procedural timings did not differ between groups. Reperfusion was successful in 38 out of 49 patients (78%) vs. 113 out of 148 patients (76%) without CCS. In stark contrast, rate of favorable outcome at 90 days differed significantly between groups (22 vs. 44%; p < 0.05). The presence of CCS in TO was associated with an unfavorable clinical outcome independent of age and NIHSS in multivariate logistic regression (p < 0.05). Final infarct volume was significantly larger in CCS patients (100 +/- 127 vs. 63 +/- 77 cm3; p < 0.05). Neither all-cause mortality rates (25 vs. 17%) nor frequency of peri interventional symptomatic intracranial hemorrhage differed between groups (7 vs. 6%). CONCLUSION: For patients with anterior TO undergoing MT with concomitant CAS the presence of CCS >50% is an independent predictor of poor clinical outcome. This most likely cause is due to poorer collateral flow to the affected tissue. PMID- 29208851 TI - Alcohol Relapse After Liver Transplantation: Younger Women Are at Greatest Risk. PMID- 29208852 TI - Extremely High Serum Ferritin: An Instrumental Marker of Masquerading Adult-Onset Still's Disease with Hemophagocytic Syndrome. AB - BACKGROUND Adult-onset Still's disease (AOSD) is a rare multi-systemic inflammatory disorder of unknown etiology characterized by spiking fever, characteristic rash, and arthritis. It often associates with high serum ferritin levels. CASE REPORT An 88-year-old woman had fever of over 39 degrees C without response to extended-spectrum antibiotics for 6 days. She had non-specific erythema with infiltration on her trunk. She had leukocytosis with neutrophilia of 80%, mild hepatic dysfunction, normal level of rheumatoid factor and antinuclear antibody, thrombocytopenia, elevated d-dimer and soluble interleukin2 receptor, extremely high serum ferritin (78 662 ng/mL), and splenomegaly. Although she had no arthritis or specific erythema, we made the diagnosis of AOSD according to Yamaguchi's criteria with disseminated intravascular coagulation (DIC) and hemophagocytic syndrome (HPS) after ruling out infections, malignancies, or other connective tissue diseases. Twelve percent of AOSD patients have HPS. The mean serum ferritin of AOSD with HPS was reported at 18 179 ng/mL, which supported the diagnosis of AOSD because only a few other diseases could show such extremely high serum ferritin. Although she was treated with prednisolone (30 mg/day), her condition deteriorated and her left pleural effusion increased. Therefore, methylprednisolone 500 mg/day for 3 days was started followed by prednisolone 30 mg/day and immunosuppressive agent (Cyclosporine 50 mg/day), which improved her general condition, elevated C reactive protein levels, and extremely high serum ferritin levels. CONCLUSIONS We report the case of an elderly patient with severe AOSD, who developed HPS and DIC, whose extremely high serum ferritin level was useful in diagnosis. PMID- 29208854 TI - Study on Clinical Presentation and Outcome of Septic Abortion and Its Relationship with Person Inducing Abortion. AB - Abortion is a global problem. Maternal mortality and morbidity is still high due to uncontrolled abortion mainly induced abortion which may turn to septic abortion. A total of 50 cases of septic abortion cases admitted in Dhaka Medical College Hospital were included in this study. This cross sectional study was designed to find out the clinical presentation and outcome of septic abortion from January 2010 to January 2011. Out of 50 cases of septic abortion admitted where 44(88%) were induced abortion. Majority of the cases were parous (2-3 parity 32%; 4-6 parity 38%; and 6+ parity 4%) and housewives 42(84%), living with their husbands 49(98%), hailing from urban, semi urban and urban slums. Nineteen (38%) having no education and 21(42%) had primary education. Most of the women 20(45.45%) wanted no more child, decided to terminate pregnancy not to overburden their families or due to disturbed marital relationship. The termination of pregnancy was carried out in first trimester 20(40%) and between (13-16) weeks it was 17(34%). Complications of septic abortion still remain a lethal threat to the life and health of women. The death rate was found 6(12%). And the leading causes of death were generalized peritonitis with septicaemia 3(50%), septicaemia with renal failure 2(33.30%), septic abortion with Disseminated Intravascular Coagulation 1(16.70%). Effective and widespread contraceptive use and continuing health and sex education remain pivotal if the incidence of septic abortion and their complications are to be reduced. PMID- 29208853 TI - Investigations of Cartilage Matrix Degeneration in Patients with Early-Stage Femoral Head Necrosis. AB - BACKGROUND The purpose of this study was to explore changes in cartilage matrix in early-stage femoral head necrosis (FHN). MATERIAL AND METHODS Femoral head samples of patients with early FHN were collected during total hip arthroplasty (THA), high-field 7.0T MRI scans were performed in vitro, and the average T2 values were calculated. Cartilage samples were obtained from the weight-bearing area (FHN group) and non-weight-bearing area (Control group), divided into 3 equal parts and used for biochemical analysis, histopathological staining, and gene expression analysis. RESULTS T2 mapping of the femoral head specimens showed that the density distribution of cartilage surface was not uniform, and the average T2 value increased unevenly. Histological staining demonstrated that the number of chondrocytes was significantly decreased and they were irregularly arranged, SO staining was lost, and collagen fiber arrangement was slightly more irregular on the cartilage surface in the FHN group. The biochemical results in the FHN group showed that the water content increased significantly and the DNA content decreased significantly, while no significant changes in GAG and total collagen contents were detected. Gene expression analysis in the FHN group showed that SOX9 expression was significantly down-regulated, while COL10A1 and RUNX2 expressions were significantly up-regulated. The expression of ACAN and COL2A1 were decreased and COL1A1 was increased, but there was no significant difference compared with the Control group. CONCLUSIONS Taken together, the results of this study suggest that patients with early-stage FHN tend to have cartilage matrix degeneration, which provides new ideas for studying the pathogenesis of FHN and selecting treatment strategies. PMID- 29208855 TI - Detection of Ovarian Tumor by Color Doppler Ultrasonography and CA-125. AB - Ovarian cancer is the most frequent cause of death from all gynaecological malignancies because of its insidious onset, vague symptoms and late presentation. This cross-sectional study was carried out on purposively selected 43 patients with suspected ovarian tumor in the Department of Radiology and Imaging in collaboration with the Department of Gynaecology and Obstetrics and Department of Pathology, Mymensingh Medical College Hospital, Bangladesh from January 2015 to December 2016 to assess the diagnostic performance of color Doppler ultrasonography and CA-125 in a combination described as Novel Index in detection of ovarian tumor. Highest number of patients of ovarian tumor 10(23.26%) were in age group 35 to 44 years and 45 to 54 years with a mean of 37.72+/-15.65 years with a range of 8-70 years. Histopathology findings revealed 19(44.18%) benign tumors and 24(55.82%) malignant tumors. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of Resistance Index (RI) in diagnosis of ovarian tumor were 91.67%, 89.47%, 91.67%, 89.47% and 90.69% respectively. Sensitivity, specificity, PPV, NPV and accuracy of serum CA-125 were 83.33%, 89.47%, 90.90%, 80.95% and 86.04% respectively. Sensitivity, specificity, PPV, NPV and accuracy of Novel index were 95.83%, 89.47%, 92.00%, 94.44% and 93.02% respectively. Novel index showed better diagnostic performance. Based on the current study it is concluded that the combination of color Doppler ultrasonography and serum CA-125 can be useful for diagnosis of ovarian tumor. PMID- 29208856 TI - Prevalence of GERD in Type II Diabetes Mellitus Patients Admitted in A Tertiary Care Hospital of Bangladesh. AB - Gastroesophageal reflux disease (GERD) is defined as symptoms or complications associated with regurgitation from the stomach and/or the duodenum to the esophagus. Patients with type II diabetes mellitus (DM) were known to have higher prevalence of GERD in the Western countries, but data on the impact of GERD on DM patients in our country are scarce. The aim of this cross-sectional study was to evaluate the presence of GERD in type II DM patients admitted at the Department of Medicine, Mymensingh Medical College Hospital, Mymensingh, Bangladesh from April 2015 to September 2015. A total of 137 type II DM cases were purposively collected. Reflux Disease Questionnaire (RDQ) was used to check the presence of GERD. Patient's characteristics, laboratory data, face-to-face interview data were analyzed. Out of 137 type 2 DM patients 108 were suffering from GERD giving a prevalence rate of 78.8% which is quite high. Pathophysiological factors like age, sex, duration of DM, weight, waist circumference (WC) had no significant difference between GERD-DM and non-GERD-type II DM patients. Only hypertension and frequent eating fatty food were found to have significant differences between the two groups. From the study findings it could be said that the higher rate of GERD in patients with type II DM may be associated with lifestyle factor and some pathophysiological factors like hypertension. Psychiatric factors may also play role in contributing GERD. Further in-depth and large scale studies are necessary in our country in this regard. PMID- 29208857 TI - Assessment of Subvalvular Apparatus in Patients with Rheumatic Mitral Stenosis: Comparison between 2D and 3D Echocardiography. AB - Mitral valve is the most involved valve in rheumatic heart disease especially in the form of mitral stenosis. Treatment options of mitral stenosis depend upon pattern, extent & the severity of disease and echocardiography has the key role in this area. Severity of involvement of subvalvular apparatus (SVA) is an important factor for determining the treatment option. 2D echocardiography (2DE) is conventionally used. With the advancement of echocardiographic technology 3D echocardiography (3DE) would offer better assessment of subvalvular apparatus. This study compared transthoracic 2D versus 3D echocardiography for assessment of SVA in chronic rheumatic mitral valve disease. This cross sectional observational study was done in University cardiac centre, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from May 2012 to October 2012. In this study, considering all ethical issues, data were collected from 50 subjects who underwent transthoracic 2D and 3D echocardiography for the assessment of extent and severity of mitral stenosis. Accurate measurement of Mitral valvular area is very important in assessment of severity, which is found similar by both 2DE (0.98+/-0.24cm2) and 3DE (0.92 +/-0.23cm2). But assessment of subvalvular involvement especially chordal adhesion can be done better by 3DE (p<0.001). This observation suggests superiority of 3DE for assessment of SVA in chronic rheumatic mitral stenosis. The result of the study demonstrates that 3DE is superior to 2DE for the assessment of SVA in chronic rheumatic mitral stenosis. PMID- 29208858 TI - Correlation of Troponin-I Level with Left Ventricular Ejection Fraction and In hospital outcomes after First Attack of Non-ST Segment Elevation Myocardial Infarction. AB - Coronary heart disease (CHD) is the most common cause of heart disease and is the single most important cause of premature death in developed world. Recognizing a patient with ACS is important because the diagnosis triggers both triage and management. cTnI is 100% tissue-specific for the myocardium and it has been shown to be a very sensitive and specific marker for acute myocardial infarction (AMI). Ventricular function is the best predictor of death after an acute coronary syndrome. It serves as a marker of myocardial damage, provides information on systolic function as well as diagnosis and prognosis. The study aimed at investigating the impact of elevated Troponin-I level on LV ejection fraction and in-hospital outcomes in patients with first attack of Non ST-segment Elevation Myocardial Infarction (NSTEMI). This prospective analytical study was conducted in the Department of Cardiology in Mymensingh Medical College Hospital from December 2015 to November 2016. Total 130 first attack of NSTEMI patients were included considering inclusion and exclusion criteria. The sample population was divided into two groups: Group I - Patients with first attack of NSTEMI with good LV function (LVEF: >=55%). Group II - Patients with first attack of NSTEMI with LV systolic dysfunction (LVEF: <55%). Then Troponin-I and LVEF levels were correlated using Pearson's correlation coefficient test. In this study mean Troponin-I of Group I and Group II were 5.53+/-7.43 and 16.46+/-15.79ng/ml respectively. It was statistically significant (p<0.05). Echocardiography showed that patients with high Troponin-I level had low ejection fraction (LVEF) and patients with low Troponin-I level had preserved ejection fraction (LVEF). Analysis showed that patients with severe left ventricular systolic dysfunction (LVEF <35%) had the highest level of Troponin-I with worse in-hospital outcomes and vice versa-the patients with the preserved systolic function (LVEF >=55%) had the lowest levels of Troponin-I with better in-hospital outcomes. In our study, it also showed that the levels of Troponin-I had negative correlation with LV ejection fraction levels, with medium strength of association (r= -0.5394, p=0.001). The study enabled us to conclude that, the higher was the Troponin-I level, the lower was the LV ejection fraction level and thus worse in-hospital outcomes in first attack of NSTEMI patients. PMID- 29208859 TI - An Evaluation of the Result of Fenestration and Discectomy for the Treatment of Prolapsed Lumber Intervertrebal Disc (PLID). AB - The aim of this study is to asses the result of fenestration and discectomy for the treatment of PLID. This Prospective quasi experimental study was conducted on 29 Patient of PLID with different ages at Dhaka Medical College Hospital (DMCH), Dhaka, Bangladesh from July 2014 to June 2016. Post Operative outcome was assessed through Modified Macnab Criteria & Visual Analogue Score (VAS). The mean age of patient were 38.14+/-9.20 years and ranging from 24 to 55 years. The mean age of male was 37.21+/-9.72 years and female patient was 39.90+/-8.32 years. Overall subjective assessment of this study revealed that 79.2% patients had excellent functional outcome, 13.8% good and 6.9% fair and there was no poor functional outcome a according to modified Macnab criteria. PMID- 29208860 TI - High Wall Motion Score Index after Acute Myocardial Infarction is Associated with Worse In-Hospital Outcome. AB - Myocardial Infarction is a major cause of death and disability worldwide. The incidence of coronary heart disease is high and second most cause of death after cancer. This prospective study conducted on 100 patients admitted with first attack of acute myocardial infarction in the department of Cardiology in Mymensingh Medical College Hospital, Mymensingh, Bangladesh from July 2012 to June 2013 who were observed 3 to 8 days of hospital stay without doing further echocardiography and evaluated the relationship between echocardiographic wall motion score index (WMSI) assessed within 24 hours of admission and in-hospital outcomes. Mean age was 53.24+/-10.17 years in WMSI <2 and 55.58+/-12.68 years in WMSI >=2 groups; difference was statistically non-significant (p>0.05). In both groups, males were predominant sufferer. Male-female ratio was 3.55:1 and the difference was statistically non-significant (p>0.05). As a risk factor, smoking was significantly higher in both groups but the difference was not statistically significant (p>0.05) between groups. Hypertension was 34(49.28%) cases in WMSI <2 and 13(41.93%) cases in WMSI >=2 group; difference was not statistically significant (p>0.05). Diabetes mellitus was 13(18.84%) cases in WMSI <2 and 16(51.61%) cases in WMSI >=2 group that was statistically significant (p<0.05). Dyslipidemia was 28(40.58%) cases in WMSI <2 group and 23(74.19%) cases in WMSI >=2 group that was statistically significant (p<0.05). Site of involvement of MI in WMSI <2 group were 39(56.52%) cases AMI (Anterior) and 30(43.48%) cases AMI (Inferior). In WMSI >=2 group, AMI (Anterior) were 29(93.55%) and AMI (Inferior) were 02(6.45%). It revealed that AMI (anterior) was significantly higher in WMSI >=2 group and AMI (Inferior) was significantly higher in WMSI <2 group. Heart failure class (Killip class) increases with the increasing of WMSI. In Killip class-I, 4(5.80%) were WMSI <2 and 01(3.23%) was WMSI >=2 (p>0.05). In Killip class-II, 8(11.59%) were WMSI <2 and 02(6.45%) were WMSI >=2 (p>0.05). In Killip class-III, 4(5.80%) were WMSI <2 and 13(41.94%) were WMSI >=2 (p<0.05). In Killip class-IV, 2(2.89%) were WMSI <2 and 05(16.13%) were WMSI >=2 (p<0.05) that was statistically significant. Arrhythmia was 14(20.29%) cases in WMSI <2 group and 13(41.94%) cases in WMSI >=2 group that was statistically significant (p<0.05). Death was 2(2.90%) cases in WMSI <2 and 07(22.58%) cases in WMSI >=2 group that was statistically significant (p<0.05). Early mortality rate was greater in patients with both WMSI >=2 and a higher Killip's class. The higher the WMSI determined within 24 hours of admission, the worse the in-hospital outcome. Echocardiography is an affordable and readily available technique, which may be used to identify and stratify the risk following acute MI. PMID- 29208861 TI - Etiology of Early Renal Allograft Dysfunction and Comparison between Dysfunction and Function Group: A Single Center Study. AB - Over a period of two years thirty five renal allograft recipients & donors were evaluated to find out the aetiology of early renal allograft dysfunction, in the Department of Nephrology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from March 2010 to February 2012. A comparison was made between dysfunction & functioning graft group. Mean age of recipients were (36.4+/-9.4) years, mean age of donors were (41.7+/-8.3) years, with a male and female ratio of 3:1. Fifty percent recipients showed one heliotype match, ninety percent recipients were anti CMV antibody IgG positive, few were anti CMV antibody IgM positive. All kidney transplant recipients received same immunosuppressive drugs. Primary disease of the renal allograft recipients demonstrates that majority 88.58% had glomerulonephritis, 5.72% had polycystic kidney disease, 2.85% had chronic pyelonephritis and another 2.85% had diabetic nephropathy. Among 35 renal allograft recipients 23(66%) showed early graft dysfunction, 12(34%) showed normal graft function. The etiology of early graft dysfunction showed, 50% developed acute rejection, 17% acute cyclosporine toxicity, 17% acute tubular necrosis, 8% had graft thrombosis and 8% developed recurrent glomerulonephritis. Sub-clinical rejection was detected in 20% cases. Comparison of donor characteristics between dysfunctioning and functioning graft groups revealed that age and sex were identically distributed between the groups (p=0.183 and p=0.087 respectively). The mean serum creatinine of donor was significantly higher in the graft dysfunction group than that in the functioning graft group (113.5+/-12.6 vs. 99.6+/-17.3; p=0.025), as well as the mean creatinine clearance rate was significantly less in the former group than that in the later group (82.1+/-13.5 vs. 93.9+/-18.6, p=0.040). The mean cyclosporine (C2) level on 7th POD were 1593.2+/-320.4ng/ml in graft dysfunction group and 1439.1+/-199.5ng/ml in the functioning graft group which decreased to 1364.8+/-263.7ng/ml and 1114.2+/ 145.1ng/ml after three months in the dysfunction and the functioning graft groups respectively. There was no significant difference in the cyclosporine level between groups on 7th POD and 14th POD, 1st and 2nd month. However, at 3rd month the level of cyclosporine was higher in the dysfunction group than that in the function group. Proteinuria on 14th POD was almost similar between dysfunction and function graft groups (p=0.704). However, higher incidence of proteinuria was observed in subsequent months in the graft dysfunction group compared to the function graft group. All the postoperative variables like systolic blood pressure, diastolic blood pressure, fever and tremor were higher in dysfunction group in comparison to functioning graft group. Per operative biopsy of donor kidney, some showed increased number of sclerotic glomeruli which is more common in dysfunction group. Among 35 recipients 2(16.7%) died due to infection in dysfunction group compared to 1(4.3%) in functioning graft group. PMID- 29208862 TI - Impact of Magnetic Resonance Imaging in the Diagnosis of Pituitary Adenoma. AB - Pituitary adenoma is the third most common primary intracranial neoplasm involving the adult population with clinical features due to excess or deficient hormone secretion or due to its mass effect. Debate about the diagnostic accuracy, sensitivity and specificity of MRI imaging in detecting pituitary adenoma has been continuing. The study was aimed to evaluate the accuracy, sensitivity and specificity of MR imaging in detecting pituitary adenoma. This cross sectional study was conducted in the Department of Radiology and imaging, Bangabandhu Sheikh Mujib medical University (BSMMU) from July 2013 to August 2015. It was carried out in 50 pituitary adenoma cases of which, 28 male and 22 female to see the impact of MRI in the diagnosis of pituitary of adenoma. Out of 50 cases 43 cases were diagnosed by MRI, 3 were normal and 2 were pituitary apoplexy, one was immature teratoma as confirmed through histopathology. So, MRI has got major impact in the diagnosis of pituitary adenoma. PMID- 29208863 TI - Short-segment versus Long-segment Stabilization for Unstable Thoracolumbar Junction Burst Fractures. AB - The treatment of unstable thoracolumbar junction burst fractures remains a controversial issue. We evaluate the efficacy of short segment (SS) compared with that of long-segment (LS) stabilization in terms of clinical and the radiological outcomes. Records of 88 patients with thoracolumbar burst fracture underwent posterior pedicle screw fixation from January 2004 to December 2015, studied retrospectively. These patients were divided into two groups: SS and the LS group. Clinical parameters: back pain, disability, neurological deficit and radiologic parameters: Cobb angle, sagittal index, the kyphotic deformation of vertebral body, vertebral height and canal compromise were measured before surgery and immediately after surgery and at 3, 6 and 12 months postoperatively. Overall outcomes were evaluated using the modified Mcnab criteria at the last follow-up. Chi-squared test and paired-t test were used for statistical analysis using SPSS. There were 36 and 52 patients in the SS and LS- group, respectively. The mean age of the patients was 30.6+/-8.4 and 33.4+/-8.4 years and the mean follow-up period was 24.5 and 16.8 months in SS and LS-group respectively. In the SS-group, the fractured vertebral body level was L1, T12, L2, T11 and T10 in 15, 10, 6, 3 and 2 cases and LS- group, the fractured vertebral body level was L1, T12, L2, T11 and T10 in 22, 17, 5, 5 and 3 cases, respectively. Both groups achieved satisfactory clinical outcomes according to the modified Mcnab criteria. In the SS-group, 8(22.22%), 21(58.33%) and 7(19.44%) cases were considered to have excellent, good and fair outcome and LS-group, 18(34.61%), 25(48.08%), 6(11.54%) and 3(5.77%) cases were considered to have excellent, good, fair, and poor outcome, respectively. Short-segment pedicle screw fixation including the fractured vertebral body might be as effective as long-segment pedicle screw fixation for the treatment of unstable thoracolumbar junction burst fracture. PMID- 29208864 TI - How Does Family Structure Relate With Children's Language Development? A Cross Sectional Experience from Urban Slums in Dhaka. AB - Family structure is an important factor for children's overall development. In this cross sectional study, we explored how single parenting relates to child's language development in slums of Dhaka city, Bangladesh from 31st August 2010 to 9th February 2011. Children aged 10 to 24 months (n=133), living with mother only and those living with both parents were included. Children's comprehensive and expressive language development was assessed using the Bengali version of Mac Arthur's Communicative Development Inventory (MCDI). Family care indicators (FCI) were used to assess quality of psychosocial stimulation at home, maternal depression was assessed using Centre for Epidemiological Studies - Depression (CES-D) questionnaire and socioeconomic status (SES) of the family was determined using a previously tested questionnaire. We analyzed the data using multivariate analysis. Maternal depression scores were higher in single mothers compared to those living with their husband and more depressed mothers provided less stimulating environment for the child. Children in the single parent families had lower scores on FCI and their comprehension and expression scores were slightly lower. Multiple regressions analysis showed that children's comprehension {B (95%CI), 0.19 (0.07, 0.32), p=0.003} and expression {0.18 (0.02, 0.35), p=0.032} scores were significantly higher in those living with both parents. Steps to educate parents on the importance of a healthy family life needs to be taken in order to ensure development of children to achieve their full potentials. Further long-term effects of living without father on children's development needs to be explored in Bangladesh. PMID- 29208865 TI - Assessment of Postnatal Depression by Edinburgh Postnatal Depression Scale in a Tertiary Care Hospital of Bangladesh. AB - The objective of the study was to estimate the prevalence of post partum depression and its associated risk factors among the mothers in their immediate post natal period. This cross sectional study was carried out in the Department of Obstetrics & Gynaecology, Bangabandhu Sheikh Mujib Medical University (BSMMU) and a tertiary care centre in Dhaka, Bangladesh from July 2015 to December 2015. Total 145 post natal mothers were screened for postnatal depression from day 5-7 following caesarean section by the validated Bangla version of Edinburgh Postnatal Depression Scale. To find out the risk factors for depression baseline data included age, parity, socioeconomic conditions, educational level, and occupation, history of depression, social support, and marital support, gestational age at the time of delivery, weight and sex of the baby. Postpartum depression was noted among 12.4% cases. Maternal age, history of depression, lack of social support was found to be significantly associated with maternal depression. This small study reflected the facts that many of the postnatal mothers of our circumstances suffer from postpartum depression and needs medical attention. Screening of postpartum depression can be considered as a routine part of postpartum care. PMID- 29208866 TI - Acute Kidney Injury in Patients with Acute Viral Hepatitis: A Study in a Tertiary Care Hospital. AB - This cross sectional observational study was done in the Department of Medicine, Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from May 2013 to April 2014 to find out the proportion of acute kidney injury among patients with acute viral hepatitis and to identify risk factors associated with development of acute kidney injury (AKI). A total of 100 patients with acute viral hepatitis were included purposively as study subjects. Among them 61 were male and 39 were female. They were divided into AKI group (n=6) and non-AKI group (n=94) on the basis of development of AKI. There was no significant difference in mean age (39.0+/-13.1 years vs. 32.2+/-10.8 years, p=0.335) and sex (67% vs. 61% & 33.0% vs. 39.0%) p=0.769) between AKI group and non-AKI group. There were 27% acute viral hepatitis A, 21% acute viral hepatitis B and 52% acute viral hepatitis E but no case of acute viral hepatitis C was found in this study. Acute kidney injury (AKI) developed in 6 of 27 patients with acute viral hepatitis A. This study showed that 22.2% patients with acute viral hepatitis A developed acute kidney injury but patients with acute viral hepatitis B (HBV) and hepatitis E (HEV) did not develop acute kidney injury. Majority of the patients with acute kidney injury were smokers and hypertensive with elevated mean arterial pressure (p=0.0001) at presentation and had higher total bilirubin (p=0.0001), alanine aminotranseferase values (p=0.040), prolonged prothrombin time (INR) {p=0.0001}, lower albumin (p=0.0001), lower haematocrit level (p=0.0001), high CRP concentration (p=0.0001), leucocytosis (p=0.0001) and thrombocytopenia (p=0.0001) at presentation than patients without acute kidney injury. It is evident from the study that acute kidney injury is not a rare complication in patients with acute viral hepatitis. PMID- 29208867 TI - Surgical Treatment of Hepatolithiasis: Our Experience in Bangabandhu Sheikh Mujib Medical University. AB - Recurrent cholangitis and sepsis are common complications after surgical treatment for hepatolithiasis as total clearance is not always possible. This retrospective study is designed to see the effect of our treatment for hepatolithiasis on stone clearance and post operative complications. We have treated 60 patients with hepatolithiasis surgically from September 2010 to September 2016 in the Department of Surgery, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. Various operative procedures were applied on the basis of location of stone and status of biliary tree. Choledocoscopic examination was performed during surgery for checking and cleaning of intrahepatic duct. Regular follow up was given and outcome was assessed. The chronological changes of treatment methods for patients with hepatolithiasis were analyzed for appropriate treatments for particular type. There were 22 males and 38 females with age ranges from 15 to 60 years. The stone were located in left duct (56.6%), right duct (10%) and both duct (33.4%). The most commonly performed operation was extended choledocholithotomy and hepatolithotomy and it was performed in 28 patients (46.7%). Segmentectomy and lobectomy was performed in 17 patients (28.3%). Common bile duct (CBD) excision, hepatolithotomy and hepaticojejunostomy with or without segmentectomy, lobectomy and Houston access loop formation was performed in rest of the patients. Stones could be removed completely in all patients who underwent lobectomy or segmentectomy. In contrast stone clearance was possible only in 57.2% and 55.5% who underwent extended choledocholithotomy and hepatolithotomy, and excision of CBD, hepatolithiasis with hepaticojejunostomy for unilateral or bilateral hepatolithiasis respectively. Houston's access loop to stomach was made in 2 patients for future endoscopic removal of stone. There was no mortality in the present series but morbidity occurred in 18 patients; wound infection (n=15, 25%), bile leakage (n=1, 1.7%), and renal dysfunction (n=1, 1.7%), septicemia (n=1, 1.7%). Patients who underwent lobectomy or segmentectomy did not develop cholangitis or sepsis on 1 to 3 years follow up. In contrast who underwent extended choledocholithotomy and hepatolithotomy, 70.8% patients developed cholangitis and sepsis, and the patients who underwent excision of CBD, hepatolithotomy with hepaticojejunostomy 50% developed cholangitis and sepsis within 1 to 3 years of follow up, required re-operations or conservative treatment. The difference of developing postoperative cholangitis and sepsis is significant (p<0.05) between patient who underwent extended choledocolithotomy and hepatolithotomy, and who underwent excision of CBD, hepatolithotomy and Roux-en-Y hepaticojejunostomy. In conclusion, lobectomy or segmentectomy is the best option for hepatolithiasis if the stones are limited to a lobe or segment. Excision of CBD, hepatolithotomy with hepaticojejunostomy is better than extended choledocholithotomy and hepatolithotomy for bilateral hepatolithiasis. Huston's access loop formation associated with other procedures may be considered for bilateral hepatolithiasis for future minimal invasive stone retrieval procedure as residual stones and recurrent stone formation is common. PMID- 29208868 TI - Detection of Plasmid Mediated AmpC-beta lactamases Among Gram-Negative Uropathogens at a Tertiary Care Hospital, Dhaka City. AB - Plasmid-mediated AmpC beta-lactamase (PMABL) resistance among gram negative bacilli is an emerging problem worldwide. They likely originate from chromosomal AmpC of certain Gram-negative bacterial species and subsequently are mobilized to transmissible plasmids. There are reports of unfavorable clinical outcomes in patients infected with these organisms and treated with broad spectrumcephalosporins. The present cross sectional study was designed to detect PMABL genes among gram negative uropathogens in a tertiary care hospital, Dhaka city, Bangladesh from January 2014 to December 2014. Total 138 gram negative uropathogens were identified by the conventional methods and were screened for AmpC production using cefoxitin discs. Confirmatory phenotypic identification was done by modified three dimensional test (MTDT). The common AmpC genotypes ACC, FOX, MOX, DHA, CIT and EBC types were determined by a multiplex PCR.PMABL genes were detected by PCR in 90% of cefoxitin resistant isolates and the molecular types of the genes detected predominantly were CIT, DHA followed by EBC and ACC types. Overall, PMABL genes were detected in 32.61% (45/138) of the studied gram negative uropathogens which is alarming. All (100%) the plasmid mediated AmpC beta-lactamase producers showed resistance to amoxicillin-clavulanic acid, ceftazidime, ceftriaxone, cefotaxime and cefoxitin. These results emphasize that clinical laboratories should consider the tests for the detection of PMABL genes for infection control and formulation of effective antibiotic policy. PMID- 29208869 TI - Prediction of Un-erupted Canine and Premolar Tooth Size in Mixed Dentition among Bangladeshi Population. AB - Accurate prediction of the space available to accommodate the size of the un erupted canines and premolars plays an important role in mixed dentition in Orthodontics. This Descriptive cross sectional study was carried out in the Department of Orthodontics of Bangabandhu Sheikh Mujib Medical University from July 2014 to June 2015. Dental study models of 140 patients were taken as sample. The sample was consisted of 54 Bangladeshi males and 86 females aged between 12 to 17 years and without any previous orthodontic treatment fully erupted permanent teeth and with no dental anomalies were recruited. The study was done by measuring the mesio-distal dimensions of teeth over the dental cast. A pre structured data collection form which includes the particulars of the patient and data was filled. All patients were having a serial number to maintain their confidentiality. The study protocol was approved by "Institutional Review Board" of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. Un paired t test were used to examine differences between genders, correlation coefficients and linear regression equations were used to carry out the analysis. Descriptive statistics including means, standard deviations, and minimum-maximum values were calculated. Unpaired sample 't' tests were carried out to compare tooth size between the sexes. Logistic regression for development of new prediction formula on the basis of study sample of our population. Pearson correlation coefficient test for found the correlation between mandibular incisors and mandibular and maxillary canine and premolars in each quadrant. The difference between the present study with that of Moyers and Tanaka and Johnston were statistically significant (p<0.001). The values from Moyers and Tanaka and Johnston methods exceed while comparing to Bangladeshi population. Therefore, Moyers and Tanaka and Johnston method of prediction are not applicable for our population. PMID- 29208870 TI - A Comparative Study of Magnetic Resonance Imaging and Transabdominal Ultrasonography for the Diagnosis and Evaluation of Uterine Fibroids. AB - Uterine fibroids often cause symptoms of pelvic pain, pressure, and bleeding and a significant cause of morbidity for women of reproductive age. A new, Food and Drug Administration approved noninvasive treatment option is magnetic resonance guided focused ultrasound surgery, which has the potential to become a treatment of choice for selected patients. The purpose of the study was to compare and evaluate the usefulness of MRI and transabdominal ultrasonography for the diagnosis of uterine fibroids. A cross sectional study was carried out in the department of Radiology & Imaging of Mymensingh Medical College Hospital, during the period of January' 2010 to December 2011. A total number of 40 consecutive patients having suspected uterine fibroids underwent MRI and transabdominal ultrasonography and they were followed up from the admission upto the tissue diagnosis of uterine fibroids for histopathological correlation were included in this study. The test of validity of MRI and transabdominal ultrasonography in diagnosis of uterine fibroids was calculated. In the diagnosis of uterine fibroids, USG was 88.2% sensitive, 66.7% specific, 85.0% accurate, 93.8% positive predictive values and 50% negative predictive values. However MRI was 97.1% sensitive, 83.3% specific, 95.0% accurate, 97.1% positive predictive values and 83.3% negative predictive values for prediction of uterine fibroids. The study shows that the MRI is more efficient diagnostic modality than transabdominal ultrasonography in detecting uterine fibroid presence and evaluation. PMID- 29208871 TI - Management of Infected Sebaceous Cyst by Suture Closure: A New Approach. AB - Incision and drainage is the management plan of any infected sebaceous cyst from old age. But in infected sebaceous cyst, we can treat it in a simple way.Under local or general anesthesia the infected tissue is excised along with a rim of healthy tissue and then closed by Prolene in the same sitting. Usually stitches are removed on 21st day in the back and 14th day in the limb. This cross sectional observational study was carried out in the Department of Surgery of 250 Bed District Hospital, Kishoreganj and local clinics of Kishoreganj, Bangladesh from January 2012 to March 2015. One hundred (100) cases were selected with clinical diagnosis of infected sebaceous cyst and the procedure was carefully explained to every patients. The overall results were analyzed and it was revealed that with this method patients got quick recovery and no need for frequent dressing which prevents cross infection. It is cost effective and saves time also. PMID- 29208872 TI - Age and Gender-dependent Correlates as Risk Factors of Recurrent Headache among Bangladeshi Secondary School Children. AB - Magnitude of recurrent headache (RHA) is not well explored among school-children (schoolers) particularly in developing countries like Bangladesh, though recent literature reveals that RHA connotes serious public health implication(s) particularly in schoolers in resource constraint countries. To study age and gender-dependent correlates of RHA among secondary-level schoolers and to determine if these remains its risk-factors. Cross-sectional population based respondent-dependent study employing direct interviews using pre-tested open and closed-ended questionnaire following ICHD-II (2004) diagnostic criteria. Overall, 17% RHA was observed among 1499 schoolers surveyed initially, being more in pubertal/adolescents (13-15 years) than pre-pubertal (11-12 years) ones. Of screened-out 255 RHA positive cases, migraine (MHA) was observed in 55.3% while tension-type-headache (TTH) in 19.6% schoolers. RHA demonstrated a steady inclining trend with schooler's age. Gender difference was obvious in MHA (p<0.001) but not in TTH (p<0.31). Pubertal schoolers (OR=8.75) and boys (OR=1.8) remained at greater risk for migraine but less risky for TTH. Mass-awareness program is imperative to prevent RHA among schoolers towards progressing it into chronicity, psycho-socially handicapped and economically burdened. Further in depth studies warrant prudent data to examine its long-term risks/underlying factors involving more diverse population (school-children) from different geographical areas and cultural contexts. PMID- 29208873 TI - Correlation between Seropositivity of Chlamydia Trachomatis and Tubal and/or Pelvic Pathology Detected by Diagnostic Laparoscopy in Subfertile Women. AB - This prospective observational study was carried out in the Infertility Unit, Department of Obstetrics and Gynaecology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, from February 2011 to December 2013. Sixty-nine (69) subfertile women who were seropositive for Chlamydia Trachomatis were included in this study. Inclusion criteria was patients with sub-fertility having age between 22 and 40 years, seeking infertility treatment, normal ovarian function, all normozoospermic male partner, duration of infertility ranged from 1.5 to 14 years. Exclusion criteria were patients having sub-fertility with extensive pelvic and/or ovarian surgery, endometriosis, ablation of endometriotic spots, pelvic tuberculosis and history of ectopic pregnancy. Before laparoscopic evaluation, all study women were screened for Chlamydia Trachomatis Specific IgG & IgM antibodies using ELISA in the Microbiology Department of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. All the study women had positive results for IgG antibodies. All study women underwent diagnostic laparoscopy. During laparoscopy, we observed the condition of pelvic cavity, uterus, fallopian tubes, ovaries, peritubal adhesions, tubo-ovarian relationship, status of Pouch of Douglas (POD), fimbriae etc. During dye test procedure, dilute methylene blue dye was injected through the cervical canal and the dye spill out was observed to confirm the tubal patency or blockage or pattern of flow of dye. The results of laparoscopic findings demonstrated that mobility of uterus was restricted in 20(29%) cases, adhesion of uterus with peritoneum was in 8(11.6%) cases, uterine fibroid was present in 11(15.9%) cases, hydrosalpinx in right fallopian tubes were in 27(39.1%) cases, in left fallopian tubes were in 32(46.4%) cases and in both fallopian tubes in 16(23.2%) cases, inflamed right fallopian tubes in 32(46.4%) cases, inflamed left fallopian tubes in 36(52.2%) cases and inflamed both fallopian tubes in 26(37.7%) cases, adhesions in pouch of Douglas was in 4(5.8%) cases, collections in pouch of Douglas was in 7(10.1%) cases and obliterations in pouch of Douglas was in 5(7.2%) cases. Results of Dye test during laparoscopy were that right fallopian tube was blocked in 32(46.4%) cases, left fallopian tube was blocked in 32(46.4%) cases and both fallopian tubes were blocked in 21(30.4%) cases. This study shows that by laparoscopy, significant number of cases of tubal and pelvic pathology was diagnosed in the chlamydia trachomatis seropositive subfertile female. This indicates strong correlation between seropositivity of chlamydia trachomatis and/or pelvic pathology detected by diagnostic laparoscopy. PMID- 29208874 TI - Status of Baby Friendly Hospital Initiative in Neonatal Units. AB - Neonatal unit is more vulnerable and critical ward than any others. To assure breastfeeding in neonatal unit is one of the ways to reduce child morbidity and mortality. Baby friendly hospital initiative is the best method in hospital setting to assure breastfeeding. This cross-sectional descriptive study was conducted from July 2014 to December 2014 to find out the Status of Baby Friendly Hospital Initiative (BFHI) in neonatal unit of different public hospitals. The study area was consisting of several tertiary level hospitals in Dhaka city. Study was done in those hospital where declared as Baby Friendly Hospital Initiative. Total 137 data was collected from care givers (70) and healthcare providers (67). From hospital data it was found that all children discharged for last month were exclusively breastfed. Written breastfeeding policy was present in all hospitals but out of 67 staffs only 28(41.48%) staffs received training which was not fulfillment of the requirement of Global Criteria of UNICEF/WHO (BFHI External Assessment and Reassessment). In step 5 only 21(31.34%) staffs show or offered help for breastfeeding. In step 6 and 9 there were 100% fulfill the requirements, no teats and pacifier was found, no use of foods or drinks except medications. Nurses were co-operative but due to lack of training and motivation they were not fully aware about the importance of breastfeeding. PMID- 29208875 TI - Predicting Neonatal Hyperbilirubinemia Using First Day Serum Bilirubin Level in Late Preterm and Term Healthy Newborn. AB - Hyperbilirubinemia is a common problem during the neonatal period and is the most common reason for readmission after early hospital discharge of the healthy near term and term infants. This early discharge policy along with limited follow-up facilities in developing countries and inadequate communication between physicians and parents necessitates a prognostic test to predict hyperbilirubinemia in these newborns; for early and effective management and prevention of potential complication before it occurred. This observational analytical study was done to determine the predictability of day1 total serum bilirubin (TSB) level as a screening test and identify the best cutoff value which would predict neonates likely to develop significant hyperbilirubinemia. The study was carried out in the Department of Neonatology and Department of Gynecology and Obstetrics, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh from 1st April 2013 to 31st March 2014. A TSB level of >=17mg/dl after 72 hours was defined as significant hyperbilirubinemia. By purposive sampling method, 100 healthy late preterm and term neonates fulfilling the inclusion criteria were enrolled and 89 were finally analyzed. Among 89 neonates 14(15.74%) developed significant hyperbilirubinemia (Group II) and 75(84.26%) did not develop hyperbilirubinemia (Group I). Mean time of sample collection was similar in both groups. Mean TSB level on day1 was significantly higher in Group II (5.97+/-1.74mg/dl) than Group I (3.19+/-1.4mg/dl). By using ROC (Receiver Operating Characteristic) analysis, TSB level of 5.65mg/dl on day 1 has the best combination of sensitivity (86%) and specificity (91%) to predict neonates at risk of significant hyperbilirubinemia (AUC-0.880, p=0.001). At this cut-off PPV was 63% and NPV 97%. Total serum bilirubin level on first day of life predicts neonates at risk of subsequent significant hyperbilirubinemia and late preterm and term babies with TSB level of >=5.65mg/dl on day 1 of life should be followed up strictly either in the hospital or in the outpatient department on day 5. PMID- 29208876 TI - Disease Pattern among Children attending Pediatric Outpatient Department in Community Based Medical College Hospital, Bangladesh. AB - Disease pattern is based on socio-demographic characteristics, comprehensive health care services, and environmental variables like water supply, basic sanitation and housing, illness behavior like quick decision to arrive at health care facility, and treatment behavior like the modality of treatment they receive. The descriptive cross-sectional study was conducted during the period of January 2014 to December 2015. The study was carried out among 310 purposively selected children attended at Pediatric Outpatient department of Community Based Medical College Hospital, Bangladesh. Data were collected by face to face interview of the parents and clinical examination and anthropometric measurement of children using case record form. Mean age of the children was 4.11 years with a SD of 4.35 years, male-female ratio was 1.25:1 with predominance 201(64.84%) of under-five children. The common diseases were 121(39.03%) with Acute Respiratory Infections (ARI), while 43(13.87%) diarrheal diseases, 25(8.06%) each with bronchial asthma and helminthiasis. Other diseases 96(30.97%) include anemia 17(5.48%), urinary tract infection 15 (4.84%), peptic ulcer disease 9(2.90%), enteric fever, oral candidiasis, apthous ulcer of mouth, scabies and vulvovaginitis. Average number of children per family was 2.2 including 251(80.97%) children having sanitary latrine in the family, 297(95.81%) with safe drinking water facilities and 270(87.10%) were fully vaccinated under EPI. More than three fourth 76(24.52%) of the children were underweight, 114(36.77%) were from poor families and 136(43.87%) lived in Kancha house. With the improvement of safe water supply and use of sanitary latrine diseases like diarrhoeal disease and helminthiasis are showing a decreasing trend. PMID- 29208877 TI - Significance of Age-Spleen-Platelet Ratio Index (ASPRI) to Exclude Cirrhosis in Patients with Chronic Hepatitis B. AB - Liver biopsy is an integral part of management of patients with Chronic Hepatitis B (CHB), which is helpful in confirming diagnosis, assessing grade of inflammation and stage of fibrosis and also in guiding treatment strategy. Although liver biopsy is relatively safe, morbidity occurs in 0.2-2% of patients. Hence various non-invasive markers, like AST-ALT Ratio (AAR), Age-Platelet Index (API), AST to Platelet Ratio Index (APRI), Fibroscan etc. have been developed worldwide to asses liver histology. Age-Spleen-Platelet Ratio Index (ASPRI) is new in this series. In this cross sectional study 51 (fifty one) patients with CHB, attending at Hepatology ward in Bangabandhu Sheikh Mujib Medical University, Dhaka, from January 2006 to May 2006, were studied. They were divided into two groups: Group I patients with ASPRI<5 and Group II patients with ASPRI>5. Clinical, serological, biochemical, virological parameters were analyzed and following liver biopsy, correlation of liver fibrosis with ASPRI was evaluated. Among 51 patients of CHB, 30 patients Group I with ASPRI<5 (mean 3.4) had mean fibrosis 1.3 using Knodell scoring system; while mean age, spleen size and platelet count were 23.2 years, 8.6cm and 278?109/L accordingly. In Group II, 21 patients with ASPRI>5 (mean 5.8) had mean fibrosis 1.8; mean age was 30.6 years, spleen size 9.5cm and platelet count 195?109/L. Mean liver fibrosis was significantly increased in Group II patients. In Group I patients, liver fibrosis showed significant correlation with platelet count (p=0.03) and ASPRI (p= 0.011), while none was observed in Group II patients. Age-Spleen-Platelet Ratio Index ASPRI can be used as a good tool for diagnosis of liver fibrosis in chronic hepatitis B. However, further study with larger study population is required to assess its validity. PMID- 29208878 TI - Study of Thyroid Disorders among Type 2 Diabetic Patients Attending a Tertiary Care Hospital. AB - Type 2 diabetes mellitus (T2DM) and thyroid disorders (TD) are the two most common endocrine disorders in clinical practice. Unrecognized thyroid disorders may adversely affect the metabolic control and add more risk to an already predisposing type 2 diabetes mellitus. The objective of the study is to find out the percentage of hypothyroidism and hyperthyroidism in patients with type 2 diabetes mellitus and non diabetic subjects. This cross-sectional study was conducted in the department of Biochemistry and outpatient Department of Endocrinology, BIRDEM General Hospital, Dhaka, Bangladesh from July 2014 to June 2015. Total 200 patients were selected by inclusion and exclusion criteria. Among them, 115 were T2DM subjects and 85 were non diabetic subjects. Type 2 diabetes mellitus and normoglycemia were diagnosed according to WHO criteria from previous medical records. All patients were underwent thyroid function tests; free thyroxine (FT4), free tri-iodothyronine (FT3) and S. TSH (thyroid stimulating hormone). Study sample were divided 4 groups: Group 1: Type 2 diabetic subjects with thyroid disorders; Group 2: Non diabetic subjects with thyroid disorders; Group 3: Type 2 diabetic subjects without thyroid disorders; Group 4: Non diabetic without thyroid disorders. Thyroid disorders were categorized into subclinical hypothyroidism, overt hypothyroidism, subclinical hyperthyroidism and overt hyperthyroidism. Percentage of thyroid disorders in type 2 diabetes mellitus and non diabetic patients were estimated. Comparison of all demographic characteristics was done among the groups. The percentage of thyroid disorders in type 2 diabetic patients was 23.5%. The most frequent thyroid disorders in type 2 diabetic patients were subclinical hypothyroidism (10.4%) and overt hypothyroidism (6.1%). The percentage of thyroid disorders in non diabetic subjects was 12%. Here, subclinical hypothyroidism is 5.9% and overt hypothyroidism is 3.5% were significantly higher in female, overweight and obese subjects. Patients with thyroid disorders (both type 2 diabetic and non-diabetic) had strong association with family history of thyroid disorders. This study showed that the percentage of thyroid disorders in type 2 diabetes mellitus is very high. Specially hypothyroidism (both subclinical and overt) are most frequent. So it is very necessary to provide regular screening for thyroid disorders in type 2 diabetic patients as well as initiating early treatment. Early treatment thyroid disorders in type 2 diabetic patients will help us to avoid complications and reduce morbidity and mortality of diabetes mellitus and thyroid disorders. PMID- 29208879 TI - OncoE6 Positivity among VIA Positive Suspected Cases from Colposcopy Clinic of Mymensingh Medical College Hospital, Mymensingh. AB - Cervical cancer is a major world health problem for women. It is the fourth most leading cause of death in women around the world. High risk HPV DNA has been shown to be present in 99.7% of cervical cancers worldwide. Oncoprotein E6 and E7 play an important role in the development of cervical cancer which can be detected by OncoE6 cervical test. This Cross sectional observational study was performed to detect E6 Oncoprotein from cervical swab by OncoE6 cervical test. Following universal safety precautions a total of 47 endocervical swabs were collected from Colposcopy clinic of Obstetrics and Gynaecology department of Mymensingh Medical College Hospital (MMCH), Mymensingh, Bangladesh from January 2015 to December 2015. Laboratory work was done in the department of Microbiology, Mymensingh medical college. E6 strip test is an immunochromatographic test based on the detection of HPV-E6 oncoprotein in cervical swab samples. The swab specimen was treated with lysis solution and conditioning solution. Then the specimen solution was clarified by centrifugation. After that the sample solution was transferred into Detector mAb vial, wash solution vial and finally into developing solution vial. The test unit was then placed on a reading guide. Positive result was indicated by the appearance of purple colored test line. Out of 47 specimens 21(44.68%) were OncoE6 positive by OncoE6 cervical test. Among 21 positive cases 19(90.48%) were HPV-16 and 2 were (9.52%) HPV-18. Histopathologically out of 22 cervical carcinoma cases 20(90.90%) were positive by this test. Based on the findings of the present study, it may be concluded that screening with HPV E6 may minimize the overtreatment as well as the colposcopy referral. So it can be used as primary screening to aid colposcopy and to identify real disease. HPV based screening may help to control cervical cancer in Bangladesh. As HPV is a sexually transmitted infection; so, male screening method should be established. PMID- 29208880 TI - Comparative yielding of BACTEC MGIT 960 and GeneXpert MTB/RIF Assay for Rapid Diagnosis of Drug Resistance Tuberculosis from Sputum Specimen. AB - Among communicable disease, tuberculosis is the second leading cause of death worldwide, killing nearly two million people each year. Several diagnostic techniques are currently used to detect mycobacteria in respiratory specimens. Therefore an alternative, rapid and most effective method is required for diagnosis of pulmonary tuberculosis which is relatively more sensitive and specific. A total of 107 sputum samples of suspected TB patients were enrolled attending the National Tuberculosis Reference Laboratory (NTRL), Mohakhali, Dhaka, Bangladesh from July 2014 to July 2015. Liquid culture of 107 sputum samples, yielded 76.63% culture positive and 1.86% contamination was observed. Antibiotic susceptibility test was done for 82 culture positive sputum samples among which 28.04% cases were resistant to both Rifampicin and Isoniazid. GeneXpert assay detected 85.04% M. tuberculosis among which 25.23% were found to be Rifampicin Resistance. PMID- 29208881 TI - Clinicopathological Assessment of Colorectal Carcinoma in Mymensingh Medical College Hospital, Bangladesh. AB - Colorectal carcinoma (CRC) is the third most commonly diagnosed cancer and the third leading cause of cancer death in both men and women in the US. It is mainly a disease of the developed countries with a western culture, yet the disease is not uncommon in developing countries. There is substantial geographical variation in the incidence and demographic characteristics of the disease. Variations are also observed in the risk factors, mode of presentation, sub site distribution and stage of the disease at presentation. This cross-sectional, descriptive study was intended to explore the age and sex distribution, pattern of presentation, sites and histological types of colorectal carcinoma. This cross-sectional, descriptive study was conducted in the department of surgery, Mymensingh Medical College Hospital, Bangladesh from October 2011 to September 2012. Purposively selected sixty patients irrespective of age and sex with histologically proven colorectal cancer were included in the study. A pre-tested, structured case record form was used for collection of data. Most of the patients (80.0%) were above 50 years of age. Mean age was 60.83 years with an SD of 11.2 years. Male to female ratio was almost equal (1.3:1). Positive family history was present in 3.3% cases. More than half of the patients (53.3%) were smokers, 76.7% patients had the history of taking fresh fruits irregularly. Pain in abdomen was the leading symptom followed by alteration of bowel habit and weight loss. Anaemia was found in 71.6% patients followed by wasting in 70.0% cases. Proctosigmoidoscopy was the principal diagnostic modality (61.7%) followed by double contrast barium enema (30.0%). Patients with rectal growth were detected by digital rectal examination (23.3%). Rectum was the principal site of cancer (36.7%) followed by sigmoid colon (33.3%). Cancer in caecum and ascending colon were in 15.0% and 6.7% patients respectively. Adenocarcinoma was the principal histological type (88.0%) and 36.7% were well differentiated carcinoma. Majority of the patients (63.3%) were in advanced stage (stage III and stage IV). Some forms of palliative surgical treatment were offered to all colorectal cancer patients in the study. Postoperative outcome was uneventful in most of the patients. However, there was wound infection in (13.3%) patients. Colorectal cancer was found mainly in elderly. Male and females were affected almost equally. Smoking was the most commonly found risk factor. Colorectal carcinoma involved rectum and sigmoid colon in majority of the patients. Adenocarcinoma was the principal histological type and the most of which were well differentiated. Majority of the patients were diagnosed at an advanced stage and palliative treatment was offered to them. Postoperative period was uneventful in most of them. Policies should be taken to promote health education & screening programmes which will lead to early diagnosis, affordable and effective treatment and better prognosis. PMID- 29208882 TI - Thrombocytopenia in Late Onset Neonatal Sepsis and Its Relationship with Specific Organism in A Tertiary Care Hospital. AB - Late onset neonatal sepsis (LONS) is a common complication in the Neonatal Intensive Care Unit (NICU) especially in premature infants, in whom the clinical presentation can be subtle and nonspecific. Thrombocytopenia is an important complication of sepsis. The objective of the present study was to identify the organism-speci?c platelet response in neonate with culture proven LONS. In this retrospective study all the infants with blood culture positive LONS in the neonatal intensive care unit (NICU) at Square Hospitals Ltd., Dhaka, Bangladesh from January 2012 to June 2016 were included in this retrospective observational study. Multiple hemograms with platelet counts, blood culture which also revealed growth of fungus along with growth of bacterial organism were conducted. Duration of thrombocytopenia in relation to type of organism and mortality with respect to degree of thrombocytopenia were also studied. Out of 87 patients with culture proven nosocomial sepsis, 59(67.8%) patients developed thrombocytopenia (platelet count <150*109/l). In our study, Acinetobacter was the most frequently isolated organism (22/87; 25.3%) the incidence of thrombocytopenia was high among patients who had gram negative sepsis, concurrent bacterial and fungal sepsis (4/4, 100%) and also isolated fungal sepsis (11/11; 100%). The mean platelet count in Gram negative sepsis was significantly lower than gram positive infection (p<0.0001) and also in fungal sepsis in compares with gram positive bacterial causes of sepsis (p=0.0085). Also, the mean duration of thrombocytopenia in patients with Gram-positive sepsis was significantly less than that of both Gram-negative and fungal sepsis (p<0.0001). In this study, about 1.15% cases presented mild, 21.84% moderate and 36.78% severe thrombocytopenia. The mortality rate was higher in thrombocytopenic group. LONS sepsis is an important risk factor for thrombocytopenia in the NICU. Fungal and gram negative sepsis were frequently associated with a decreased platelet count. The mortality rate was higher in sepsis associated with thrombocytopenia. PMID- 29208883 TI - Tumor Lysis Syndrome and Hyperleukocytosis in Childhood Acute Lymphoblastic Leukemia in a Tertiary Care Hospital. AB - Acute lymphoblastic leukemia is the most common (77%) childhood leukemia and also the most common neoplastic disease in children. Acute lymphoblastic leukemia initially present with hyperleukocytosis (WBC count more than 50,000/mm3) in twenty percent cases. These children are particularly at risk of development of tumor lysis syndrome (TLS). Tumor lysis syndrome is a metabolic disorder consists of hyperuricaemia, hyperkalemia, hyperphosphataemia, hypocalcaemia with or without renal insufficiency. It is the most common disease related emergency encountered by physicians caring for cancer of children and adult. This cross sectional observational study was conducted in Department of Paediatric Haemato oncology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from November 2011 to April 2012 and was designed to assess early biochemical changes associated with hyperleukocytosis which may follow tumor lysis syndrome. Children with Acute lymphoblastic leukemia with hyperleukocytosis who are potential to develop tumor lysis syndrome were selected for the study in their initial presentation. Thirty patients with newly diagnosed acute lymphoblastic leukemia with initial high WBC count; more than 50,000/mm3 were selected for the study. The objectives of the study were to observe the development of tumor lysis syndrome with hyperleukocytosis, detection of early signs of electrolyte changes and early detection of tumor lysis syndrome which can help further in the management of such patients. Majority of the cases were in age group 7 years to 15 years with male predominance (83%). Hyperphosphataemia (80%) followed by hyperuricaemia (53%) were the most common biochemical findings. Hyperkalemia and hypocalcaemia were present in 33% and 26% patients. Laboratory tumor lysis syndrome was developed in 40% of patients and clinical tumor lysis syndrome was developed in 20% patients with hyperleucocytosis meeting the criteria for definition of tumor lysis syndrome by Cairo Bishop in 2004. It was observed that TLS increased with higher WBC. Tumor lysis syndrome developed in 26% patients with WBC count below one lac, 50% with WBC count 1 lac to 2 lacs and increasing upto 100% with WBC count more than 3 lacs. Developing tumor lysis syndrome in high LDH (44% when LDH is more than 1000 unit/l) was also observed. PMID- 29208884 TI - Role of Oral Clonidine Premedication on Intra-operative Haemodynamics and PONV in Laparoscopic Cholecystectomy. AB - Laparoscopic cholecystectomy is a gold standard surgical procedure for gallbladder operation. It causes altered haemodynamic responses due to pneumoperitoneum and surgical procedure also causes high incidence of postoperative nausea &vomiting. Clonidine has been shown to reduce intraoperative haemodynamic instability. This randomized prospective single blind clinical study was designed to evaluate the efficacy of oral clonidine premedication for attenuation of haemodynamic responses associated with pneumoperitoneum & also reduce the incidence of postoperative nausea & vomiting and carried out in the department of Anaesthesia Analgesia and Intensive care Medicine, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh from January 2010 to June 2010. Sixty adult patients of ASA physical status I & II scheduled for elective laparoscopic cholecystecomy were recruited for a prospective randomized single blind study. They were selected randomized into two equal groups, thirty in each group. Group A received no premedication & Group B (Clonidine) received clonidine (100MUgm) orally 60 minutes before induction of anaesthesia. Pulse rate, mean arterial pressure were recorded prior to induction, 2 minutes after endotracheal intubation, before pneumoperitoneum, 10 minutes & 20 minutes after pneumoperitoneum, 10 minutes after release of carbon dioxide & 10 minutes after extubation. Patients in Group B (Clonidine) maintained greater haemodynamic stability intraoperatively compare to Group A after intubation, during pneumoperitoneum and also extubation. Pulse rate & mean arterial pressure significantly varies in Group A compare with Group B (Clonidine) at different times of intraoperative period (p<0.05). Postoperative nausea & vomiting was significantly less in Group B (Clonidine). Premedication with oral clonidine attenuates the haemodynamic responses produced by pneumoperitoneum during laparoscopic cholecystectomy and also significantly nausea and vomiting, results better patient satisfaction and cost effective. PMID- 29208885 TI - Serum Homocysteine and its Association with Glycemic Control in Type 2 Diabetic Patients. AB - In developing countries like Bangladesh the prevalence of type 2 diabetes mellitus is increasing day by day. Among the long-term complications of diabetes mellitus, vascular complications represent a major cause of morbidity and mortality. Hyperglycemia is still considered the principal cause of diabetes complications. Total plasma homocysteine (tHcy) is an emerging cardiovascular risk factor. Hyperhomocysteinemia independently appears to be a stronger risk factor for mortality than other risk factors in type 2 diabetes than in non diabetes. It may partly explain the link between microalbuminurea and increased risk of cardiovascular disease. Objective of the study was to evaluate serum total homocysteine level and to correlate it with glycemic status in type 2 diabetic patients. This cross sectional study was conducted during the period of July 2011 to June 2013 on 95 patients of type 2 diabetes mellitus, attending the Endocrine OPD of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh. The study was carried out in the Department of Biochemistry, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh. Study subjects were selected by purposive and convenient sampling technique. Study subjects were categorized according to the presence or absence of hyperhomocysteinemia. Among the total study population hyperhomocysteinemia was found in 21.05%. Among them number of male was greater. Overall glycemic control was poor in the patients. Mean HbA1c (%) was 8.31+/-2.04. Among those having hyperhomocysteinemia mean HbA1c (%) was significantly lower than those who had no hyperhomocysteinemia (7.2+/-1.5 vs. 8.6+/-2.06). Around one fifth of the type 2 diabetic patients had hyperhomocysteinemia. Those having hyperhomocysteinemia had significantly better glycemic control than those having no hyperhomocysteinemia. PMID- 29208886 TI - Coronary Angiography Findings and Its Determinants in Patients Presenting With Acute Coronary Syndrome: A Descriptive Analysis from Asian Population. AB - The aim was to study the angiographic profile in patients presented as acute coronary syndrome and its relation with risk factors and comparison between genders. This prospective observational study was performed on total 352 patients of acute coronary syndrome were analyzed for various risk factors, angiographic pattern in Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, South India from January 2015 to July 2016. Mean age of presentation was 52.62+/-11.63 years. Male were 271(77.0%) and female were 81(23.0%). Majority of patients were STEMI (67.6%) followed by UA (24.4%) and NSTEMI (8%). Smoker was 117(33.3%) patients. Hypertensive were 124(35.2%) of patients and 149(42.3%) were diabetics. Family history of CAD was positive in 45(12.8%). On angiographic evaluation left main reference diameter was lower in females (4.02+/-0.72) than males (4.07+/-0.82). LAD was most commonly involved followed by RCA and LCX among all three group of acute coronary syndrome. Left main was least involved (8.3%). In STEMI SVD (40.3%) was most common presentation, after that DVD was seen in 22.3%, TVD in 10.5%, non-obstructive coronary was seen in 16% of patients and normal coronary was seen in 11% of patients. In UA 28%, 22.8%, 13.2%, 15.8%, 20.2% was seen in SVD, DVD, TVD, non obstructive and normal coronary respectively. Long length coronary lesions (>20mm) were seen in majority in all type of acute coronary syndrome. Coronary lesion length was not associated with presentation acute coronary syndrome and genders. Male were most commonly presented as acute coronary syndrome. STEMI was most common presentation. Diabetic was most prevalent risk factor. SVD was most common angiographic pattern and LAD was most common involved arteries. PMID- 29208887 TI - A Rare Case of Polycystic Disease of the Pancreas. AB - Polycystic disease of the pancreas is very rare and only few cases have been reported in the literature. We report a case of 27 year old female presented with recurrent upper abdominal pain associated with nausea and vomiting. Her ultrasonography of whole abdomen and computed tomography (CT) scan revealed polycystic pancreas associated with hepatic cysts. She underwent distal pancreatectomy with splenectomy. Histological examination revealed typical features of polycystic pancreatic disease in the resected specimen. Previously two of her sisters and her mother were also diagnosed as cases of polycystic pancreatic disease and they all underwent operative treatments. Among them one of those sisters and her mother received treatment under our department in 2009 and 2014 accordingly. PMID- 29208888 TI - Polyarthritis is a Rare Manifestation of Pachydermoperiostosis: A Case Report. AB - Pachydermoperiostosis or primary hypertrophic osteoarthropathy, also known as Touraine-Solente-Gole syndrome, is a rare process, frequently inherited. In its complete form it is characterized by pachydermia (thickening of the skin), skeletal changes (periostosis) and acropachia (digital clubbing). Diagnosis can be made considering the typical clinical features and the histological feature. We report a patient of 25-year old man presented with joint pain involving in multiple joints for last 7 years and progressive enlargement of his hands and feet with profuse sweating of palms and soles for last 4 years. Physical examination revealed thickened skin with excessive furrowing of his forehead, dropping of both eyelids, clubbing of all fingers, toes and enlargement of his hands and feet with pamoplantar hyperhidrosis. Laboratory investigation shows raised CRP, X-ray feet lateral view showed normal heel pad thickness, new bone formation and periosteal elevation in lower end of tibia and fibula and skin biopsy showed dense fibrocollagenous tissue in dermis and subcutis and mild acanthosis. With this scenario he was diagnosed as primary hypertrophic osteoarthropathy (Pachydermoperiostosis). After diagnosis he was treated with cholchicine (0.6mg) twice daily, naproxen (500mg) twice daily, and risedronate (150mg) monthly. After one year his skin texture became less thickened, joint pain improved, there was no further enlargement of acral part of fore arm. In this report we review the characteristic features of this syndrome. We highlight the importance of ruling out secondary forms of hypertrophic osteoarthropathy and of a close follow-up of these patients because of complications that might develop on long-term. Although no treatment was satisfactory, we wanted to emphasize that NSAIDs, Cholchicine and risedronate could be an effective treatment option. PMID- 29208889 TI - Why Abortion is Illegal? Comparison of Legal and Illegal Abortion: A Critical Review. AB - Abortion is the termination of pregnancy that occurs spontaneously or purposely. In the most developed world, abortion is legally allowed for women seeking safe termination of pregnancies. Particularly, when access to legal abortion is restricted, abortion is the resort to unsafe methods. The aim of this review is to necessitate safe abortion and to accentuate the consequences of illegal abortion in case of legal prohibition. We used Pubmed, MedLine and Scopus databases to review previous literatures of safe, unsafe, legal and illegal abortions. Research work and reports from organizations such as World Health Organization (WHO), World Bank (WB) and United Nations (UN) were included. Snowball sampling was used to obtain relevant journals. Abortion is conventional whether it is safe, unsafe, legal or illegal. The intention of the antiabortion policy was to reduce the number of abortions globally. However, instead of decreasing rates, evidences show significant increase in abortions. When abortion is legal, the preconditions to be ensured are availability, accessibility, affordability and acceptability for the safe abortion facilities. When abortion is illegal, risk reduction strategies are needed to decrease maternal morbidity and mortality. We can reduce abortion related morbidity and mortality, whether it is legal or illegal if we can ensure the appropriate access to health care, including abortion services, education on sexuality, access to contraceptives, post abortion care, and suitable interventions and liberalization of laws. The paper reviewed the Mexico City Policy and the US foreign aid strategies and highlighted the evidence based analysis for policy reform. The liberalized abortion law can save pregnant women from abortion related complications and death. PMID- 29208890 TI - Impact-induced changes in source depth and volume of magmatism on Mercury and their observational signatures. AB - Mercury's crust is mostly the result of partial melting in the mantle associated with solid-state convection. Large impacts induce additional melting by generating subsurface thermal anomalies. By numerically investigating the geodynamical effects of impacts, here we show that impact-generated thermal anomalies interact with the underlying convection modifying the source depth of melt and inducing volcanism that can significantly postdate the impact depending on the impact time and location with respect to the underlying convection pattern. We can reproduce the volume and time of emplacement of the melt sheets in the interior of Caloris and Rembrandt if at about 3.7-3.8 Ga convection in the mantle of Mercury was weak, an inference corroborated by the dating of the youngest large volcanic provinces. The source depth of the melt sheets is located in the stagnant lid, a volume of the mantle that never participated in convection and may contain pristine mantle material. PMID- 29208891 TI - Inhibition of D-Ala:D-Ala ligase through a phosphorylated form of the antibiotic D-cycloserine. AB - D-cycloserine is an antibiotic which targets sequential bacterial cell wall peptidoglycan biosynthesis enzymes: alanine racemase and D-alanine:D-alanine ligase. By a combination of structural, chemical and mechanistic studies here we show that the inhibition of D-alanine:D-alanine ligase by the antibiotic D cycloserine proceeds via a distinct phosphorylated form of the drug. This mechanistic insight reveals a bimodal mechanism of action for a single antibiotic on different enzyme targets and has significance for the design of future inhibitor molecules based on this chemical structure. PMID- 29208892 TI - Discrete and continuous mechanisms of temporal selection in rapid visual streams. AB - Humans can reliably detect a target picture even when tens of images are flashed every second. Here we use magnetoencephalography to dissect the neural mechanisms underlying the dynamics of temporal selection during a rapid serial visual presentation task. Multivariate decoding algorithms allow us to track the overlapping brain responses induced by each image in a rapid visual stream. The results show that temporal selection involves a sequence of gradual followed by all-or-none stages: (i) all images first undergo the same parallel processing pipeline; (ii) starting around 150 ms, responses to multiple images surrounding the target are continuously amplified in ventral visual areas; (iii) only the images that are subsequently reported elicit late all-or-none activations in visual and parietal areas around 350 ms. Thus, multiple images can cohabit in the brain and undergo efficient parallel processing, but temporal selection also isolates a single one for amplification and report. PMID- 29208893 TI - Geochemical and mineralogical evidence that Rodinian assembly was unique. AB - The mineralogy and geochemistry associated with Rodinian assembly (~1.3-0.9 Ga) are significantly different from those of other supercontinents. Compared to other supercontinents, relatively more Nb-bearing minerals, Y-bearing minerals, and zircons formed during Rodinian assembly, with corresponding enrichments of Nb, Y, and Zr concentrations in igneous rocks. By contrast, minerals bearing many other elements (e.g., Ni, Co, Au, Se, and platinum group elements) are significantly less abundant, without corresponding depletion of Ni and Co concentrations in igneous rocks. Here we suggest that the Nb, Y, and Zr enrichments in igneous rocks and relatively more occurrences of corresponding Nb bearing minerals, Y-bearing minerals, and zircons result from significant non-arc magmatism during the mid-Proterozoic, while fewer occurrences of many other minerals suggest enhanced erosion of Rodinian volcanic arcs and orogens. The prolonged, extrovert assembly of Rodinia from thickened mid-Proterozoic continental crust via two-sided subduction can account for both the prevalence of non-arc magmatism and the enhanced erosion. PMID- 29208894 TI - Broad modulus range nanomechanical mapping by magnetic-drive soft probes. AB - Stiffness matching between the probe and deformed portion of the sample in piezo drive peak force modulation atomic force microscopy (AFM) limits the modulus measurement range of single probes. Here we develop a magnetic drive peak force modulation AFM to broaden the dynamic range of the probe with direct cantilever excitation. This approach not only successfully drives the softest commercial probe (6 pN nm-1) for mapping extremely soft samples in liquid but also provides an indentation force of hundreds of nanonewtons for stiff samples with a soft probe. Features of direct measurements of the indentation force and depth can unify the elastic modulus range up to four orders of magnitude, from 1 kPa to 10 MPa (in liquid) and 1 MPa to 20 GPa (in air or liquid) using a single probe. This approach can be particularly useful for analysing heterogeneous samples with large elastic modulus variations in multi-environments. PMID- 29208895 TI - Existence of multi-radical and closed-shell semiconducting states in post graphene organic Dirac materials. AB - Post-graphene organic Dirac (PGOD) materials are ordered two-dimensional networks of triply bonded sp 2 carbon nodes spaced by pi-conjugated linkers. PGOD materials are natural chemical extensions of graphene that promise to have an enhanced range of properties and applications. Experimentally realised molecules based on two PGOD nodes exhibit a bi-stable closed-shell/multi-radical character that can be understood through competing Lewis resonance forms. Here, following the same rationale, we predict that similar states should be accessible in PGOD materials, which we confirm using accurate density functional theory calculations. Although for graphene the semimetallic state is always dominant, for PGOD materials this state becomes marginally meta-stable relative to open shell multi-radical and/or closed-shell states that are stabilised through symmetry breaking, in line with analogous molecular systems. These latter states are semiconducting, increasing the potential use of PGOD materials as highly tuneable platforms for future organic nano-electronics and spintronics. PMID- 29208897 TI - Network dynamics-based cancer panel stratification for systemic prediction of anticancer drug response. AB - Cancer is a complex disease involving multiple genomic alterations that disrupt the dynamic response of signaling networks. The heterogeneous nature of cancer, which results in highly variable drug response, is a major obstacle to developing effective cancer therapy. Previous studies of cancer therapeutic response mostly focus on static analysis of genome-wide alterations, thus they are unable to unravel the dynamic, network-specific origin of variation. Here we present a network dynamics-based approach to integrate cancer genomics with dynamics of biological network for drug response prediction and design of drug combination. We select the p53 network as an example and analyze its cancer-specific state transition dynamics under distinct anticancer drug treatments by attractor landscape analysis. Our results not only enable stratification of cancer into distinct drug response groups, but also reveal network-specific drug targets that maximize p53 network-mediated cell death, providing a basis to design combinatorial therapeutic strategies for distinct cancer genomic subtypes. PMID- 29208896 TI - Mechanistic insight into TRIP13-catalyzed Mad2 structural transition and spindle checkpoint silencing. AB - The spindle checkpoint maintains genomic stability and prevents aneuploidy. Unattached kinetochores convert the latent open conformer of the checkpoint protein Mad2 (O-Mad2) to the active closed conformer (C-Mad2), bound to Cdc20. C Mad2-Cdc20 is incorporated into the mitotic checkpoint complex (MCC), which inhibits the anaphase-promoting complex/cyclosome (APC/C). The C-Mad2-binding protein p31comet and the ATPase TRIP13 promote MCC disassembly and checkpoint silencing. Here, using nuclear magnetic resonance (NMR) spectroscopy, we show that TRIP13 and p31comet catalyze the conversion of C-Mad2 to O-Mad2, without disrupting its stably folded core. We determine the crystal structure of human TRIP13, and identify functional TRIP13 residues that mediate p31comet-Mad2 binding and couple ATP hydrolysis to local unfolding of Mad2. TRIP13 and p31comet prevent APC/C inhibition by MCC components, but cannot reactivate APC/C already bound to MCC. Therefore, TRIP13-p31comet intercepts and disassembles free MCC not bound to APC/C through mediating the local unfolding of the Mad2 C-terminal region. PMID- 29208898 TI - Diffusion of treatment in social networks and mass drug administration. AB - Information, behaviors, and technologies spread when people interact. Understanding these interactions is critical for achieving the greatest diffusion of public interventions. Yet, little is known about the performance of starting points (seed nodes) for diffusion. We track routine mass drug administration-the large-scale distribution of deworming drugs-in Uganda. We observe friendship networks, socioeconomic factors, and treatment delivery outcomes for 16,357 individuals in 3491 households of 17 rural villages. Each village has two community medicine distributors (CMDs), who are the seed nodes and responsible for administering treatments. Here, we show that CMDs with tightly knit (clustered) friendship connections achieve the greatest reach and speed of treatment coverage. Importantly, we demonstrate that clustering predicts diffusion through social networks when spreading relies on contact with seed nodes while centrality is unrelated to diffusion. Clustering should be considered when selecting seed nodes for large-scale treatment campaigns. PMID- 29208900 TI - 'Candidatus Liberibacter asiaticus' Accumulates inside Endoplasmic Reticulum Associated Vacuoles in the Gut Cells of Diaphorina citri. AB - Citrus greening disease known also as Huanglongbing (HLB) caused by the phloem limited bacterium 'Candidatus Liberibacter asiaticus' (CLas) has resulted in tremendous losses and the death of millions of trees worldwide. CLas is transmitted by the Asian citrus psyllid Diaphorina citri. The closely-related bacteria 'Candidatus Liberibacter solanacearum' (CLso), associated with vegetative disorders in carrots, is transmitted by the carrot psyllid Bactericera trigonica. A promising approach to prevent the transmission of these pathogens is to interfere with the vector-pathogen interactions, but our understanding of these processes is limited. It was recently reported that CLas induced changes in the nuclear architecture, and activated programmed cell death, in D. citri midgut cells. Here, we used electron and fluorescent microscopy and show that CLas induces the formation of endoplasmic reticulum (ER)-associated bodies. The bacterium recruits those ER structures into Liberibacter containing vacuoles (LCVs), in which bacterial cells seem to propagate. ER- associated LCV formation was unique to CLas, as we could not detect these bodies in B. trigonica infected with CLso. ER recruitment is hypothesized to generate a safe replicative body to escape cellular immune responses in the insect gut. Understanding the molecular interactions that undelay these responses will open new opportunities for controlling CLas. PMID- 29208899 TI - In vivo transplantation of 3D encapsulated ovarian constructs in rats corrects abnormalities of ovarian failure. AB - Safe clinical hormone replacement (HR) will likely become increasingly important in the growing populations of aged women and cancer patients undergoing treatments that ablate the ovaries. Cell-based HRT (cHRT) is an alternative approach that may allow certain physiological outcomes to be achieved with lower circulating hormone levels than pharmacological means due to participation of cells in the hypothalamus-pituitary-ovary feedback control loop. Here we describe the in vivo performance of 3D bioengineered ovarian constructs that recapitulate native cell-cell interactions between ovarian granulosa and theca cells as an approach to cHRT. The constructs are fabricated using either Ca++ or Sr++ to crosslink alginate. Following implantation in ovariectomized (ovx) rats, the Sr++ cross-linked constructs achieve stable secretion of hormones during 90 days of study. Further, we show these constructs with isogeneic cells to be effective in ameliorating adverse effects of hormone deficiency, including bone health, uterine health, and body composition in this rat model. PMID- 29208901 TI - Alternative substrate-bound conformation of bacterial solute-binding protein involved in the import of mammalian host glycosaminoglycans. AB - Glycosaminoglycans (GAGs), constituted by repeating uronate and amino sugar units, are major components of mammalian extracellular matrices. Some indigenous and pathogenic bacteria target GAGs for colonization to and/or infection of host mammalian cells. In Gram-negative pathogenic Streptobacillus moniliformis, the solute-binding protein (Smon0123)-dependent ATP-binding cassette (ABC) transporter incorporates unsaturated GAG disaccharides into the cytoplasm after depolymerization by polysaccharide lyase. Smon0123, composed of N and C domains, adopts either a substrate-free open or a substrate-bound closed form by approaching two domains at 47 degrees in comparison with the open form. Here we show an alternative 39 degrees -closed conformation of Smon0123 bound to unsaturated chondroitin disaccharide sulfated at the C-4 and C-6 positions of N acetyl-d-galactosamine residue (CDelta4S6S). In CDelta4S6S-bound Smon0123, Arg204 and Lys210 around the two sulfate groups were located at different positions from those at other substrate-bound 47 degrees -closed conformations. Therefore, the two sulfate groups in CDelta4S6S shifted substrate-binding residue arrangements, causing dynamic conformational change. Smon0123 showed less affinity with CDelta4S6S than with non-sulfated and monosulfated substrates. ATPase activity of the Smon0123-dependent ABC transporter in the presence of CDelta4S6S was lower than that in the presence of other unsaturated chondroitin disaccharides, suggesting that CDelta4S6S-bound Smon0123 was unpreferable for docking with the ABC transporter. PMID- 29208902 TI - Publisher Correction: Population scale data reveals the antidepressant effects of ketamine and other therapeutics approved for non-psychiatric indications. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has not been fixed in the paper. PMID- 29208903 TI - A novel bioreactor system for biaxial mechanical loading enhances the properties of tissue-engineered human cartilage. AB - The ex vivo engineering of autologous cartilage tissues has the potential to revolutionize the clinical management of joint disorders. Yet, high manufacturing costs and variable outcomes associated with tissue-engineered implants are still limiting their application. To improve clinical outcomes and facilitate a wider use of engineered tissues, automated bioreactor systems capable of enhancing and monitoring neotissues are required. Here, we developed an innovative system capable of applying precise uni- or biaxial mechanical stimulation to developing cartilage neotissues in a tightly controlled and automated fashion. The bioreactor allows for simple control over the loading parameters with a user friendly graphical interface and is equipped with a load cell for monitoring tissue maturation. Applying our bioreactor, we demonstrate that human articular chondrocytes encapsulated in hydrogels composed of gelatin methacryloyl (GelMA) and hyaluronic acid methacrylate (HAMA) respond to uni- and biaxial mechanical stimulation by upregulation of hyaline cartilage-specific marker genes. We further demonstrate that intermittent biaxial mechanostimulation enhances accumulation of hyaline cartilage-specific extracellular matrix. Our study underlines the stimulatory effects of mechanical loading on the biosynthetic activity of human chondrocytes in engineered constructs and the need for easy-to use, automated bioreactor systems in cartilage tissue engineering. PMID- 29208904 TI - Author Correction: Developing a molecular picture of soil organic matter-mineral interactions by quantifying organo-mineral binding. AB - In the original version of this Article, the Acknowledgements section omitted the Department of Energy-funded Environmental and Molecular Sciences Laboratory in which the XRD measurements were performed. This error has now been corrected in both the PDF and HTML versions of the Article. PMID- 29208905 TI - Total synthesis of the reported structure of 13a-hydroxytylophorine. AB - The first total synthesis of the reported structure of 13a-hydroxytylophorine was accomplished. The key step was an unprecedented NaBH4-promoted one-pot reductive cyclization cascade that efficiently yielded a hydroxyl azonane intermediate. The indolizidine framework was obtained by means of oxidation and a subsequent unexpected protecting-group migration. This total synthesis revealed that the reported structure of the naturally isolated compound is incorrect. PMID- 29208906 TI - Simultaneous multi-slice inverse imaging of the human brain. AB - Ultrafast functional magnetic resonance imaging (fMRI) can measure blood oxygen level dependent (BOLD) signals with high sensitivity and specificity. Here we propose a novel method: simultaneous multi-slice inverse imaging (SMS-InI) - a combination of simultaneous multi-slice excitation, simultaneous echo refocusing (SER), blipped controlled aliasing in parallel imaging echo-planar imaging (EPI), and regularized image reconstruction. Using a 32-channel head coil array on a 3 T scanner, SMS-InI achieves nominal isotropic 5-mm spatial resolution and 10 Hz sampling rate at the whole-brain level. Compared with traditional inverse imaging, we found that SMS-InI has higher spatial resolution with lower signal leakage and higher time-domain signal-to-noise ratio with the optimized regularization parameter in the reconstruction. SMS-InI achieved higher effective resolution and higher detection power in detecting visual cortex activity than InI. SMS-InI also detected subcortical fMRI signals with the similar sensitivity and localization accuracy like EPI. The spatiotemporal resolution of SMS-InI was used to reveal that presenting visual stimuli with 0.2 s latency between left and right visual hemifield led to 0.2 s relative hemodynamic response latency between the left and right visual cortices. Together, these results indicate that SMS-InI is a useful tool in measuring cortical and subcortical hemodynamic responses with high spatiotemporal resolution. PMID- 29208907 TI - Connectivity motifs of inhibitory neurons in the mouse Auditory Cortex. AB - Connectivity determines the function of neural circuits and it is the gateway to behavioral output. The emergent properties of the Auditory Cortex (ACx) have been difficult to unravel partly due to our assumption that it is organized similarly to other sensory areas. But detailed investigations of its functional connectivity have begun to reveal significant differences from other cortical areas that perform different functions. Using Laser Scanning Photostimulation we previously discovered unique circuit features in the ACx. Specifically, we found that the functional asymmetry of the ACx (tonotopy and isofrequency axes) is reflected in the local circuitry of excitatory inputs to Layer 3 pyramidal neurons. In the present study we extend the functional wiring diagram of the ACx with an investigation of the connectivity patterns of inhibitory subclasses. We compared excitatory input to parvalbumin (PV) and somatostatin (SOM)-expressing interneurons and found distinct circuit-motifs between and within these subpopulations. Moreover, these connectivity motifs emerged as intrinsic differences between the left and right ACx. Our results support a functional circuit based approach to understand the role of inhibitory neurons in auditory processing. PMID- 29208908 TI - Multiplex three-dimensional optical mapping of tumor immune microenvironment. AB - Recent developments in optical tissue clearing and microscopic imaging have advanced three-dimensional (3D) visualization of intact tissues and organs at high resolution. However, to expand applications to oncology, critical limitations of current methods must be addressed. Here we describe transparent tissue tomography (T3) as a tool for rapid, three-dimensional, multiplexed immunofluorescent tumor imaging. Cutting tumors into sub-millimeter macrosections enables simple and rapid immunofluorescence staining, optical clearing, and confocal microscope imaging. Registering and fusing macrosection images yields high resolution 3D maps of multiple tumor microenvironment components and biomarkers throughout a tumor. The 3D maps can be quantitatively evaluated by automated image analysis. As an application of T3, 3D mapping and analysis revealed a heterogeneous distribution of programmed death-ligand 1 (PD-L1) in Her2 transgenic mouse mammary tumors, with high expression limited to tumor cells at the periphery and to CD31+ vascular endothelium in the core. Also, strong spatial correlation between CD45+ immune cell distribution and PD-L1 expression was revealed by T3 analysis of the whole tumors. Our results demonstrate that a tomographic approach offers simple and rapid access to high-resolution three dimensional maps of the tumor immune microenvironment, offering a new tool to examine tumor heterogeneity. PMID- 29208910 TI - Author Correction: Temperature dependence of protein-water interactions in a gated yeast aquaporin. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper. PMID- 29208909 TI - Mitochondrial DNA Mutations Associated with Type 2 Diabetes Mellitus in Chinese Uyghur Population. AB - A hospital-based case-control study was conducted to investigate potential association between mitochondrial DNA and Type 2 diabetes mellitus (T2DM) in Chinese Uyghur population. We sequenced mitochondrial DNA from 210 Uyghur individuals including 88 T2DM patients and 122 controls. Using haplogroup classification and association test, we found that haplogroup H (odds ratio [OR] = 1.40; 95% confidence interval [CI]: 1.20-1.64; P = 0.0005138) and D4 (odds ratio = 1.47; 95% CI: 1.22-1.77; P = 0.001064) were associated with an increased risk of T2DM in Chinese Uyghur population. Two markers of haplogroup D4 and H, MT ATP8 m.8414 T > G (p.Leu17Phe) and m.2706 G > A encoding 16S rRNA in mitochondria, were predicted to affect the structure of MT-ATP8 and 16S RNA, respectively, and may be involved in the pathogenesis of T2DM. Our study provides a new clue for mitochondrial DNA in the etiology of T2DM in Chinese Uyghur population. PMID- 29208911 TI - Initiation of prolyl cis-trans isomerisation in the CDR-H3 loop of an antibody in response to antigen binding. AB - Proline cis-trans isomerisation is a regulatory mechanism used in a range of biological processes, and is related to various diseases such as Alzheimers disease and cancer. However, the details of the exact molecular mechanism by which it occurs are not known. Using X-ray crystallography, proline isomerisation has been shown to occur following formation of an antigen-antibody complex between the target epiregulin (EPR) and the antibody 9E5, at proline (Pro103), located in the third complementarity-determining region (CDR) of the heavy chain of 9E5. To obtain an accurate description of the pathway involved in cis-trans isomerisation in this system, we performed ten independent long molecular dynamics (MD) simulations starting at a stable transient bound structure obtained from many short binding MD simulations. As a result, we were able to describe the process by which cis-trans isomerisation is initiated, and suggest a catalysis mechanism for cis-trans isomerization in this antigen-antibody system. We found that Asp102, which is immediately adjacent to Pro103, rotates while changing its interacting partner residues in the light chain of 9E5, and at the same time EPR polar residues help to stabilise the intermediate states in the isomerisation process by interacting strongly with Asp102. PMID- 29208912 TI - Single electron-photon pair creation from a single polarization-entangled photon pair. AB - Quantum entanglement between different forms of qubits is an indication of the universality of quantum mechanics. Entanglement transfer between light and matter, especially photon and spin, has long been studied as the central concept, but it remains technically challenging for single photons and spins. In this paper, we show paired generation of a single electron in a GaAs quantum dot and a single photon from a single polarization-entangled photon pair. We measure temporal coincidence between the single photo-electron detection and the single photon detection. Considering a single photon polarization is converted to an electron spin via an optical selection rule, the present result indicates the capability of photon to spin entanglement transfer. This may be useful to explore the physics of entanglement transfer and also for applications to quantum teleportation based quantum communication. PMID- 29208913 TI - Prevention and treatment strategies for contextual overgeneralization. AB - At the core of anxiety disorders lies the tendency to generalize fear from a threatening to a safe situation. A deeper understanding of the mechanisms that facilitate and restrain generalization in humans is therefore needed. Rodent studies showed that pre-exposure to a context that is similar to the threatening context enhanced generalization to the similar context. In Experiment 1 we replicated these animal findings in humans (US-expectancy). Studies on the underlying mechanisms showed that the pre-exposure representation was recalled during conditioning (due to similarity between the contexts) and the shock also became linked to the recalled representation, resulting in greater generalization. In Experiment 2 we developed a pre-exposure procedure that increased the ability to distinguish between the conditioned and pre-exposure contexts, such that presentation of the former would no longer result in recall of the latter. We then observed that overgeneralization (US-expectancy) was prevented. Pre-exposure did not affect generalization of skin conductance response or fear potentiated startle. Finally, exploratory analyses revealed that increased generalization (US-expectancy), if not prevented, could be reduced by a reminder of the conditioned context. Hence, we developed a prevention- and a treatment-strategy for overgeneralization. These findings may guide the development of new therapeutic strategies. PMID- 29208914 TI - Chemical profiling and quantification of XueBiJing injection, a systematic quality control strategy using UHPLC-Q Exactive hybrid quadrupole-orbitrap high resolution mass spectrometry. AB - To clarify and quantify the chemical profiling of XueBiJing injection (XBJ) rapidly, a feasible and accurate strategy was developed by applying ultra high performance liquid chromatography-Q Exactive hybrid quadrupole-orbitrap high resolution accurate mass spectrometry (UHPLC-Q-Orbitrap HRMS). A total of 162 components were characterized, including 19 phenanthrenequinones, 33 lactones, 28 flavonoids and 12 phenolic acids and 51 other compounds. Among them, 38 major compounds were unambiguously quantified by comparing with reference standards. Meanwhile, 38 representative compounds were simultaneously detected in XBJ samples by Q-Orbitrap HRMS. Satisfactory linearity and correlation coefficient were achieved with wide linear range. The precisions, repeatability, stability and recovery were meeting requirements. The validated method was successfully applied for simultaneous determination of 38 bioactive compounds in 10 batches XBJ samples. In addition, the similarity evaluation of fingerprintings was applied to assess the quality of XBJ. And the results were evaluated by multiple statistical strategies and five compounds might be the most important chemical markers for chemical quality control of XBJ. Finally, a rapid and simple UPLC MS/MS method was developed for determination of five markers in XBJ sample. This research established a high sensitive and efficient strategy for integrating quality control, including identification and quantification of XBJ. PMID- 29208915 TI - Publisher Correction: Autonomic versus perceptual accounts for tactile hypersensitivity in autism spectrum disorder. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper. PMID- 29208916 TI - Sumatran tiger survival threatened by deforestation despite increasing densities in parks. AB - The continuing development of improved capture-recapture (CR) modeling techniques used to study apex predators has also limited robust temporal and cross-site analyses due to different methods employed. We develop an approach to standardize older non-spatial CR and newer spatial CR density estimates and examine trends for critically endangered Sumatran tigers (Panthera tigris sumatrae) using a meta regression of 17 existing densities and new estimates from our own fieldwork. We find that tiger densities were 47% higher in primary versus degraded forests and, unexpectedly, increased 4.9% per yr from 1996 to 2014, likely indicating a recovery from earlier poaching. However, while tiger numbers may have temporarily risen, the total potential island-wide population declined by 16.6% from 2000 to 2012 due to forest loss and degradation and subpopulations are significantly more fragmented. Thus, despite increasing densities in smaller parks, we conclude that there are only two robust populations left with >30 breeding females, indicating Sumatran tigers still face a high risk of extinction unless deforestation can be controlled. PMID- 29208917 TI - Correspondence: Reply to 'Phantom phonon localization in relaxors'. PMID- 29208918 TI - The necessity to choose causes the effects of reward on saccade preparation. AB - When humans have to choose between different options, they can maximize their payoff by choosing the option that yields the highest reward. Information about reward is not only used to optimize decisions but also for movement preparation to minimize reaction times to rewarded targets. Here, we show that this is especially true in contexts in which participants additionally have to choose between different options. We probed eye movement preparation by measuring saccade latencies to differently rewarded single targets (single-trial) appearing left or right from fixation. In choice-trials, both targets were displayed and participants were free to decide for one target to receive the corresponding reward. In blocks without choice-trials, single-trial latencies were not or only weakly affected by reward. With choice-trials present, the influence of reward increased with the proportion and difficulty of choices and decreased when a cue indicated that no choice will be necessary. Choices caused a delay in subsequent single-trial responses to the non-chosen option. Taken together, our results suggest that reward affects saccade preparation mainly when the outcome is uncertain and depends on the participants' behavior, for instance when they have to choose between targets differing in reward. PMID- 29208919 TI - Robust method for identification of prognostic gene signatures from gene expression profiles. AB - In the last decade, many attempts have been made to use gene expression profiles to identify prognostic genes for various types of cancer. Previous studies evaluating the prognostic value of genes suffered by failing to solve the critical problem of classifying patients into different risk groups based on specific gene expression threshold levels. Here, we present a novel method, called iterative patient partitioning (IPP), which was inspired by the receiver operating characteristic (ROC) curve, is based on the log-rank test and overcomes the threshold decision problem. We applied IPP to analyze datasets pertaining to various subtypes of breast cancer. Using IPP, we discovered both novel and well studied prognostic genes related to cell cycle/proliferation or the immune response. The novel genes were further analyzed using copy-number alteration and mutation data, and these results supported their relationship with prognosis. PMID- 29208920 TI - A feasibility study on non-invasive oxidative metabolism detection and acoustic assessment of human vocal cords by using optical technique. AB - Voice disorder such as vocal fatigue is a common and complex multifaceted clinical problem that presents a significant impact on quality of life. In this study, the functional near-infrared diffuse optical technique (fNIRS-DOT) was proposed as a novel approach for human vocal cords oxidative metabolism detection and acoustic assessment simultaneously to provide a multidimensional assessment of voice disorder. A totally of 60 healthy subjects included 30 male and 30 female adults of age-matched were recruited and performed a vocal loading task to trigger a mild inflammation of the vocal cords in this study. In the results of oxidative metabolism, the vocal cords expressed hypoxia after vocal loading task in both male and female groups that could provide relevant information on the relationship between tissue oxygen consumption and supply for vocal cords diagnosis. Additionally, the results of optical acoustic assessment revealed the worse/changes voice quality after vocal loading task. Therefore, integration of non-invasive oxidative metabolism detection and acoustic assessment by using optical technique could provide more relevant information for diagnosis of voice disorders. The multi-functional vocal cords detection system could provide a good feasibility for clinical applications such as diagnosis and therapeutic monitoring of voice disorder. PMID- 29208921 TI - Fe4S4 Cubane Type Cluster Immobilized on a Graphene Support: A High Performance H2 Evolution Catalysis in Acidic Water. AB - The development of alternate catalysts that utilize non-precious metal based electrode materials such as the first row transition metal complexes is an important goal for economic fuel cell design. In this direction, a new Fe4S4 cubane type cluster, [PPh4]2[Fe4S4(DMET)4] (1) (DMET = cis-1,2 dicarbomethoxyethylene dithiolate) and its composite with functionalized graphene, (1@graphene) have been synthesized and characterized. The presence of nanocrystalline structures on graphene matrix in TEM and SEM images of 1@graphene indicate that the cluster (1) has been immobilized. The composite, 1@graphene evolves H2 gas from p-toluene sulfonic acid (TsOH) in a mixture of H2O and CH3CN under ambient conditions with a significant turnover number of 3200. 1@graphene electro-catalyzes H2 evolution at Ep, -1.2 V with remarkable throughput, catalytic efficiency and stability in only H2O or in only CH3CN. The Fe4S4 cluster (1) alone electro-catalyzes hydrogen evolution at Ep, -0.75 V from TsOH in CH3CN. The X-ray crystal structure of the Fe4S4 cluster (1) (lambdamax, CH2Cl2, 823 nm; epsilon, 2200 mol-1 cm-1) shows that it is dianionic with a cumulative oxidation state of +2.5 for the iron centers and short C-S bond distances (ca., 1.712 A & 1.727 A) indicating the presence of sulfur based radicals. PMID- 29208922 TI - Beyond the Michaelis-Menten equation: Accurate and efficient estimation of enzyme kinetic parameters. AB - Examining enzyme kinetics is critical for understanding cellular systems and for using enzymes in industry. The Michaelis-Menten equation has been widely used for over a century to estimate the enzyme kinetic parameters from reaction progress curves of substrates, which is known as the progress curve assay. However, this canonical approach works in limited conditions, such as when there is a large excess of substrate over enzyme. Even when this condition is satisfied, the identifiability of parameters is not always guaranteed, and often not verifiable in practice. To overcome such limitations of the canonical approach for the progress curve assay, here we propose a Bayesian approach based on an equation derived with the total quasi-steady-state approximation. In contrast to the canonical approach, estimates obtained with this proposed approach exhibit little bias for any combination of enzyme and substrate concentrations. Importantly, unlike the canonical approach, an optimal experiment to identify parameters with certainty can be easily designed without any prior information. Indeed, with this proposed design, the kinetic parameters of diverse enzymes with disparate catalytic efficiencies, such as chymotrypsin, fumarase, and urease, can be accurately and precisely estimated from a minimal amount of timecourse data. A publicly accessible computational package performing such accurate and efficient Bayesian inference for enzyme kinetics is provided. PMID- 29208923 TI - Plant-endophytes interaction influences the secondary metabolism in Echinacea purpurea (L.) Moench: an in vitro model. AB - The influence of the interaction(s) between the medicinal plant Echinacea purpurea (L.) Moench and its endophytic communities on the production of alkamides is investigated. To mimic the in vivo conditions, we have set up an infection model of axenic in vitro E. purpurea plants inoculated with a pool of bacterial strains isolated from the E. purpurea stems and leaves. Here we show different alkamide levels between control (not-inoculated) and inoculated plants, suggesting that the alkamide biosynthesis may be modulated by the bacterial infection. Then, we have analysed the branched-chain amino acids (BCCA) decarboxylase gene (GenBank Accession #LT593930; the enzymatic source for the amine moiety formation of the alkamides) expression patterns. The expression profile shows a higher expression level in the inoculated E. purpurea tissues than in the control ones. These results suggest that the plant-endophyte interaction can influence plant secondary metabolism affecting the therapeutic properties of E. purpurea. PMID- 29208924 TI - HSP60 possesses a GTPase activity and mediates protein folding with HSP10. AB - The mammalian molecular chaperone, HSP60, plays an essential role in protein homeostasis through mediating protein folding and assembly. The structure and ATP dependent function of HSP60 has been well established in recent studies. After ATP, GTP is the major cellular nucleotide. In this paper, we have investigated the role of GTP in the activity of HSP60. It was found that HSP60 has different properties with respect to allostery, complex formation and protein folding activity depending on the nucleoside triphosphate present. The presence of GTP slightly affected the ATPase activity of HSP60 during protein folding. These results provide clues as to the functional mechanism of the HSP60-HSP10 complex. PMID- 29208925 TI - Feeding type and development drive the ingestion of microplastics by freshwater invertebrates. AB - Microscopic plastic items (microplastics) are ubiquitously present in aquatic ecosystems. With decreasing size their availability and potential to accumulate throughout food webs increase. However, little is known on the uptake of microplastics by freshwater invertebrates. To address this, we exposed species with different feeding strategies to 1, 10 and 90 um fluorescent polystyrene spheres (3-3 000 particles mL-1). Additionally, we investigated how developmental stages and a co-exposure to natural particles (e.g., food) modulate microplastic ingestion. All species ingested microplastics in a concentration-dependent manner with Daphnia magna consuming up to 6 180 particles h-1, followed by Chironomus riparius (226 particles h-1), Physella acuta (118 particles h-1), Gammarus pulex (10 particles h-1) and Lumbriculus variegatus (8 particles h-1). D. magna did not ingest 90 um microplastics whereas the other species preferred larger microplastics over 1 um in size. In C. riparius and D. magna, size preference depended on the life stage with larger specimens ingesting more and larger microplastics. The presence of natural particles generally reduced the microplastics uptake. Our results demonstrate that freshwater invertebrates have the capacity to ingest microplastics. However, the quantity of uptake depends on their feeding type and morphology as well as on the availability of microplastics. PMID- 29208926 TI - Altered expression of metabolites and proteins in wild and caged fish exposed to wastewater effluents in situ. AB - Population growth has led to increased global discharges of wastewater. Contaminants that are not fully removed during wastewater treatment, such as pharmaceuticals and personal care products (PPCPs), may negatively affect aquatic ecosystems. PPCPs can bioaccumulate causing adverse health effects and behavioural changes in exposed fish. To assess the impact of PPCPs on wild fish, and to assess whether caged fish could be used as a surrogate for resident wild fish in future monitoring, we caged goldfish in a marsh affected by discharges of wastewater effluents (Cootes Paradise, Lake Ontario, Canada). We collected plasma from resident wild goldfish, and from goldfish that we caged in the marsh for three weeks. We analyzed the plasma proteome and metabolome of both wild and caged fish. We also compared proteomic and metabolic responses in caged and wild fish from the marsh to fish caged at a reference site (Jordan Harbour Conservation Area). We identified significant changes in expression of over 250 molecules that were related to liver necrosis, accumulation and synthesis of lipids, synthesis of cyclic AMP, and the quantity of intracellular calcium in fish from the wastewater affected marsh. Our results suggest that PPCPs could be affecting the health of wild fish populations. PMID- 29208928 TI - Finite size effect on the structural and magnetic properties of MnAs/GaAs(001) patterned microstructures thin films. AB - MnAs epitaxial thin films on GaAs(001) single crystalline substrates crystallize at room temperature (RT) in a mixture of two crystalline phases with distinct magnetic properties, organized as stripes along the MnAs [0001] direction. This particular morphology is driven by anisotropic epitaxial strain. We elucidate here the physical mechanisms at the origin of size reduction effect on the MnAs crystalline phase transition. We investigated the structural and magnetic changes in MnAs patterned microstructures (confined geometry) when the lateral dimension is reduced to values close to the periodicity and width of the stripes observed in continuous films. The effects of the microstructure's lateral size, shape and orientation (with respect to the MnAs [Formula: see text] direction) were characterized by local probe synchrotron X-ray diffraction (MU-XRD) using a focused X-ray beam, X-ray Magnetic Circular Dichroism - Photo Emission Electron Microscopy (XMCD-PEEM) and Low Energy Electron Microscopy (LEEM). Changes in the transition temperature and the crystalline phase distribution inside the microstructures are evidenced and quantitatively measured. The effect of finite size and strain relaxation on the magnetic domain structure is also discussed. Counter-intuitively, we demonstrate here that below a critical microstructure size, bulk MnAs structural and magnetic properties are restored. To support our observations we developed, tested and validated a model based on the size dependence of the elastic energy and strain relaxation to explain this phase re distribution in laterally confined geometry. PMID- 29208927 TI - Establishment of a strain of haemophilia-A pigs by xenografting of foetal testicular tissue from neonatally moribund cloned pigs. AB - Grafting of testicular tissue into immunodeficient mice makes it possible to obtain functional sperm from immature donor animals that cannot be used for reproduction. We have developed a porcine model of human haemophilia A (haemophilia-A pigs) by nuclear transfer cloning from foetal fibroblasts after disruption of the X-linked coagulation factor VIII (F8) gene. Despite having a recessive condition, female F8+/- cloned pigs died of severe bleeding at an early age, as was the case for male F8-/Y cloned pigs, thus making it impossible to obtain progeny. In this study, therefore, we produced sperm from F8-/Y cloned pigs by grafting their foetal testicular tissue into nude mice. Two F8+/- female pigs were generated from oocytes injected with xenogeneic sperm. Unlike the F8+/- cloned pigs, they remained asymptomatic, and delivered five F8-/Y and four F8+/- pigs after being crossed with wild-type boars. The descendant F8-/Y pigs conserved the haemophilia phenotype. Thus, the present F8+/- pigs show resolution of the phenotypic abnormality, and will facilitate production of F8-/Y pigs as founders of a strain of haemophilia-A pigs for the development of new therapeutics for haemophilia A. This strategy will be applicable to other genetically modified pigs. PMID- 29208930 TI - Attraction of Halyomorpha halys (Hemiptera: Pentatomidae) haplotypes in North America and Europe to baited traps. AB - Halyomorpha halys is a global invasive species, native to Southeast Asia, that is threatening agriculture in invaded regions. Our objectives were to: 1) establish the attractiveness of semiochemical stimuli paired with field-deployed traps in Europe (Greece, Hungary, Italy, and Switzerland), compared with Maryland, USA, and 2) identify H. halys haplotypes recovered from traps at each location. We found qualitatively identical patterns of capture between sites located across Europe and in Maryland, USA. In both regions, captures of H. halys adults indicated a synergistic response to traps baited with the two component H. halys aggregation pheromone, and pheromone synergist, methyl (2E, 4E, 6Z)-decatrienoate when compared with either individually. Haplotype diversity in Europe based on trapped specimens was much greater than the USA, with five new haplotypes described here, probably indicating ongoing invasion and re-introduction of H. halys. By contrast, a single, previously identified haplotype was trapped in Maryland, USA, representing a single introduction. All H. halys haplotypes responded to each semiochemical in apparent proportion to their frequency in the overall population based on independently derived information from prior work. Taken together, these data suggest that pheromone-based technology will be of global utility for the monitoring of this important invasive species. PMID- 29208929 TI - The choice of cryopreservation method affects immune compatibility of human cardiovascular matrices. AB - Conventional frozen cryopreservation (CFC) is currently the gold standard for cardiovascular allograft preservation. However, inflammation and structural deterioration limit transplant durability. Ice-free cryopreservation (IFC) already demonstrated matrix structure preservation combined with attenuated immune responses. In this study, we aim to explore the mechanisms of this diminished immunogenicity in vitro. First, we characterized factors released by human aortic tissue after CFC and IFC. Secondly, we analyzed co-cultures with human peripheral blood mononuclear cells, purified monocytes, T cells and monocyte-derived macrophages to examine functional immune effects triggered by the tissue or released cues. IFC tissue exhibited significantly lower metabolic activity and release of pro-inflammatory cytokines than CFC tissue, but surprisingly, more active transforming growth factor beta. Due to reduced cytokine release by IFC tissue, less monocyte and T cell migration was detected in a chemotaxis system. Moreover, only cues from CFC tissue but not from IFC tissue amplified alphaCD3 triggered T cell proliferation. In a specifically designed macrophage-tissue assay, we could show that macrophages did not upregulate M1 polarization markers (CD80 or HLA-DR) on either tissue type. In conclusion, IFC selectively modulates tissue characteristics and thereby attenuates immune cell attraction and activation. Therefore, IFC treatment creates improved opportunities for cardiovascular graft preservation. PMID- 29208931 TI - Novel Methods for Prevention of Hydrogen Embrittlement in Iron. AB - Iron is the most widely used metal in the world. However, hydrogen embrittlement in steels-iron based alloys-is an important issue related to the safety of our infrastructure, such as railroads and bridges. Therefore, the prevention of hydrogen embrittlement in steels is necessary. In the present study, we demonstrate two novel methods for the prevention of hydrogen embrittlement in iron: one involves the low-energy implantation of helium, which is usually an element harmful to metals, into iron, the other is inducing damage to the iron surface by ion irradiation. In general, irradiation with high-energy particles leads to metal brittleness. In the former method, the driving force for hydrogen embrittlement in iron is weakened, in the latter method, hydrogen diffusion in iron is prevented because of trapping of hydrogen atoms in the vacancies produced by the irradiation. As a result, hydrogen embrittlement in iron was suppressed by both methods. PMID- 29208932 TI - Mouse papillomavirus infection persists in mucosal tissues of an immunocompetent mouse strain and progresses to cancer. AB - Mouse papillomavirus has shown broad tissue tropism in nude mice. Previous studies have tested cutaneous infections in different immunocompromised and immunocompetent mouse strains. In the current study, we examined mucosal infection in several immunocompetent and immunocompromised mouse strains. Viral DNA was monitored periodically by Q-PCR of lavage samples. Immunohistochemistry and in situ hybridization were used to determine viral capsid protein and viral DNA respectively. All athymic nude mouse strains showed active infections at both cutaneous and mucosal sites. Interestingly, NOD/SCID mice, which have a deficiency in T, B, and NK cells, showed minimal disease at cutaneous sites but developed persistent infection at the mucosal sites including those of the anogenital region and the oral cavity. Three strains of immunocompetent mice supported mucosal infections. Infections of the lower genital tract in heterozygous (immunocompetent) mice of the NU/J strain progressed to high grade dysplasia and to carcinoma in situ. Anti-MmuPV1 neutralizing antibodies were detected in the sera of all immunocompetent animals. Our findings demonstrate that the mucosae may be the preferred sites for this virus in mice. The mouse model is expected to be a valuable model for the study of mucosal papillomavirus disease, progression, and host immune control. PMID- 29208933 TI - The anthelmintic praziquantel is a human serotoninergic G-protein-coupled receptor ligand. AB - Schistosomiasis is a debilitating tropical disease caused by infection with parasitic blood flukes. Approximately 260 million people are infected worldwide, underscoring the clinical and socioeconomic impact of this chronic infection. Schistosomiasis is treated with the drug praziquantel (PZQ), which has proved the therapeutic mainstay for over three decades of clinical use. However, the molecular target(s) of PZQ remain undefined. Here we identify a molecular target for the antischistosomal eutomer - (R)-PZQ - which functions as a partial agonist of the human serotoninergic 5HT2B receptor. (R)-PZQ modulation of serotoninergic signaling occurs over a concentration range sufficient to regulate vascular tone of the mesenteric blood vessels where the adult parasites reside within their host. These data establish (R)-PZQ as a G-protein-coupled receptor ligand and suggest that the efficacy of this clinically important anthelmintic is supported by a broad, cross species polypharmacology with PZQ modulating signaling events in both host and parasite. PMID- 29208934 TI - Salmonella small RNA fragment Sal-1 facilitates bacterial survival in infected cells via suppressing iNOS induction in a microRNA manner. AB - Salmonella can hijack host atypical miRNA processing machinery to cleave its small non-coding RNA into a ~22-nt RNA fragment, Sal-1, which facilitates Salmonella survival in the infected host. The mechanism through which Sal-1 promotes Salmonella survival, however, remains unknown. In the present study, we reported that Sal-1 targets cellular inducible nitric oxide synthase (iNOS) in a miRNA manner, leading to attenuation of host cell iNOS/NO-mediated anti-microbial capacity. First, depletion of Sal-1 in Salmonella-infected epithelial cells significantly increased the iNOS level but not the levels of various inflammatory cytokines. Bioinformatics analysis and mutagenesis strategies were consistent with the identification of mRNA of iNOS as a target of Sal-1 in both human and mice. Second, western blot and immunohistochemical analysis confirmed that Sal-1 suppressed iNOS expression in vitro and in vivo, thus reducing the production of NO. Finally, Sal-1 facilitating Salmonella survival through suppressing iNOS induction was confirmed in mouse model by expressing mutated iNOS that is not targeted by Sal-1 in mice colon. In conclusion, our study provides new insight into the pathogenic mechanism of intracellular bacteria to modulate host innate immune response. PMID- 29208935 TI - Author Correction: The impact of poor asthma control among asthma patients treated with inhaled corticosteroids plus long-acting beta2-agonists in the United Kingdom: a cross-sectional analysis. AB - A correction to this article has been published and is linked from the HTML version of this article. PMID- 29208936 TI - Disulfide driven folding for a conditionally disordered protein. AB - Conditionally disordered proteins are either ordered or disordered depending on the environmental context. The substrates of the mitochondrial intermembrane space (IMS) oxidoreductase Mia40 are synthesized on cytosolic ribosomes and diffuse as intrinsically disordered proteins to the IMS, where they fold into their functional conformations; behaving thus as conditionally disordered proteins. It is not clear how the sequences of these polypeptides encode at the same time for their ability to adopt a folded structure and to remain unfolded. Here we characterize the disorder-to-order transition of a Mia40 substrate, the human small copper chaperone Cox17. Using an integrated real-time approach, including chromatography, fluorescence, CD, FTIR, SAXS, NMR, and MS analysis, we demonstrate that in this mitochondrial protein, the conformational switch between disordered and folded states is controlled by the formation of a single disulfide bond, both in the presence and in the absence of Mia40. We provide molecular details on how the folding of a conditionally disordered protein is tightly regulated in time and space, in such a way that the same sequence is competent for protein translocation and activity. PMID- 29208937 TI - Elucidating the in vivo interactome of HIV-1 RNA by hybridization capture and mass spectrometry. AB - HIV-1 replication requires myriad interactions between cellular proteins and the viral unspliced RNA. These interactions are important in archetypal RNA processes such as transcription and translation as well as for more specialized functions including alternative splicing and packaging of unspliced genomic RNA into virions. We present here a hybridization capture strategy for purification of unspliced full-length HIV RNA-protein complexes preserved in vivo by formaldehyde crosslinking, and coupled with mass spectrometry to identify HIV RNA-protein interactors in HIV-1 infected cells. One hundred eighty-nine proteins were identified to interact with unspliced HIV RNA including Rev and Gag/Gag-Pol, 24 host proteins previously shown to bind segments of HIV RNA, and over 90 proteins previously shown to impact HIV replication. Further analysis using siRNA knockdown techniques against several of these proteins revealed significant changes to HIV expression. These results demonstrate the utility of the approach for the discovery of host proteins involved in HIV replication. Additionally, because this strategy only requires availability of 30 nucleotides of the HIV-RNA for hybridization with a capture oligonucleotide, it is readily applicable to any HIV system of interest regardless of cell type, HIV-1 virus strain, or experimental perturbation. PMID- 29208939 TI - Diet breadth modulates preference - performance relationships in a phytophagous insect community. AB - In most phytophagous insects, larvae are less mobile than adults and their fitness depends on the plant chosen by their mother. To maximize fitness, adult preference and larval performance should thus be correlated. This correlation is not always apparent and seems to increase with the level of specialisation, i.e. specialists have a stronger preference for high quality host plant species compared to generalists. The aim of this study was to test whether the relationship between female preference and larval performance was stronger for specialists than for generalists within a community of fruit flies (Diptera: Tephritidae). A total of six fruit fly species was used, including four generalists, and two specialists co-existing in La Reunion island (France). We estimated oviposition preference through the number of eggs laid and larval performance through the larval survival on 29 different host plants species belonging to 15 families in the laboratory and evaluated the relationship between these two traits. Preference-performance relationship differed according to the degree of specialisation with a strong positive correlation for specialists and no relationship for generalists. These results substantiate the theory that choosing high quality hosts is more important for specialists that are adapted to survive on fewer host plants than for generalists. PMID- 29208938 TI - Oncolytic virotherapy as an immunotherapeutic strategy for multiple myeloma. AB - Multiple Myeloma (MM), a clonal malignancy of antibody-producing plasma cells, is the second most common hematologic malignancy and results in significant patient morbidity and mortality. The high degree of immune dysregulation in MM, including T cell imbalances and up-regulation of immunosuppressive checkpoint proteins and myeloid derived suppressor cells, allows this malignancy to escape from host immune control. Despite advances in the therapeutic landscape of MM over the last decade, including the introduction of immunomodulatory drugs, the prognosis for this disease is poor, with less than 50% of patients surviving 5 years. Thus, novel treatment strategies are required. Oncolytic viruses (OV) are a promising new class of therapeutics that rely on tumour specific oncolysis and the generation of a potent adaptive anti-tumour immune response for efficacy. To date, a number of OV have shown efficacy in pre-clinical studies of MM with three reaching early phase clinical trials. OVs represent a rational therapeutic strategy for MM based on (1) their tumour tropism, (2) their ability to potentiate anti-tumour immunity and (3) their ability to be rationally combined with other immunotherapeutic agents to achieve a more robust clinical response. PMID- 29208940 TI - CEA but not CA19-9 is an independent prognostic factor in patients undergoing resection of cholangiocarcinoma. AB - Cholangiocarcinoma (CCA) represents a rare form of primary liver cancer with increasing incidence but dismal prognosis. Surgical treatment has remained the only potentially curative treatment option, but it remains unclear which patients benefit most from liver surgery, highlighting the need for new preoperative stratification strategies. In clinical routine, CA19-9 represents the most widely used tumor marker in CCA patients. However, data on the prognostic value of CA19 9 in CCA patients are limited and often inconclusive, mostly due to small cohort sizes. Here, we investigated the prognostic value of CA19-9 in comparison with other standard laboratory markers in a large cohort of CCA patients that underwent tumor resection. Of note, while CA19-9 and CEA were able to discriminate between CCA and healthy controls, CEA showed a higher accuracy for the differentiation between CCA and patients with primary sclerosing cholangitis (PSC) compared to CA19-9. Furthermore, patients with elevated levels of C reactive protein (CRP), CA19-9 or CEA showed a significantly impaired survival in Kaplan-Meier curve analysis, but surprisingly, only CEA but not CA19-9 represented an independent predictor of survival in multivariate Cox-regression analysis. Our data suggest that CEA might help to identify CCA patients with an unfavourable prognosis after tumor resection. PMID- 29208941 TI - The Role of Backbone Hydration of Poly(N-isopropyl acrylamide) Across the Volume Phase Transition Compared to its Monomer. AB - Thermo-responsive polymers undergo a reversible coil-to-globule transition in water after which the chains collapse and aggregate into bigger globules when passing to above its lower critical solution temperature (LCST). The hydrogen bonding with the amide groups in the side chains has to be contrasted with the hydration interaction of the hydrophobic main-chain hydrocarbons. In the present investigation we study molecular changes in the polymer poly(N-isopropyl acrylamide) (PNIPAM) and in its monomer N-isopropyl acrylamide (NIPAM) in solution across the LCST transition. Employing Fourier-transform infrared spectroscopy we probe changes in conformation and hydrogen bonding. We observe a nearly discontinuous shift of the peak frequencies and areas of vibrational bands across the LCST transition for PNIPAM whereas NIPAM exhibits a continuous linear change with temperature. This supports the crucial role of the polymer backbone with respect to hydration changes in the amide group in combination with cooperative interactions of bound water along the backbone chain. PMID- 29208942 TI - Endoscope-assisted resection of nonneoplastic space-occupying lesion in oral and maxillofacial areas. AB - Endoscope-assisted oral and maxillofacial surgeries have been applied to the resection of tumors with minimal invasion and good cosmetic outcomes. However, with regard to endoscope-assisted resection of nonneoplastic space-occupying lesion (NSOL) in oral and maxillofacial areas which differ from tumors in treatment, there are no systematic reports. Therefore the advantages and limitations of the endoscopy-assisted approach (EAA) in resection of NSOL remain unclear. In this novel study we describe endoscope technique for resection of NSOL in face and submandibular areas and compare the feasibility and effectiveness of EAA with external approach (EA). Eleven patients underwent EAA and 20 patients underwent EA procedures. The perioperative and postoperative outcomes of the patients were evaluated. The resection of NSOL with EAA was completed successfully with a shorter hospitalization duration, less bleeding, a smaller incison and better satisfaction with appearance than with the EA procedure (P < 0.01). Our study showed that endoscope-assisted resection of NSOL is technically safe, feasible and practicable. Good cosmetic results with minimal invasion can be achieved with this new technique and therefore this may be a promising new standard procedure in oral and maxillofacial areas. PMID- 29208943 TI - Adhesion toughness of multilayer graphene films. AB - Interface adhesion toughness between multilayer graphene films and substrates is a major concern for their integration into functional devices. Results from the circular blister test, however, display seemingly anomalous behaviour as adhesion toughness depends on number of graphene layers. Here we show that interlayer shearing and sliding near the blister crack tip, caused by the transition from membrane stretching to combined bending, stretching and through-thickness shearing, decreases fracture mode mixity G II/G I, leading to lower adhesion toughness. For silicon oxide substrate and pressure loading, mode mixity decreases from 232% for monolayer films to 130% for multilayer films, causing the adhesion toughness G c to decrease from 0.424 J m-2 to 0.365 J m-2. The mode I and II adhesion toughnesses are found to be G Ic = 0.230 J m-2 and G IIc = 0.666 J m-2, respectively. With point loading, mode mixity decreases from 741% for monolayer films to 262% for multilayer films, while the adhesion toughness G c decreases from 0.543 J m-2 to 0.438 J m-2. PMID- 29208945 TI - Safeguarding our soils. PMID- 29208944 TI - Correspondence: Phantom phonon localization in relaxors. PMID- 29208947 TI - The Y-chromosome haplogroup C3*-F3918, likely attributed to the Mongol Empire, can be traced to a 2500-year-old nomadic group. AB - The Mongol Empire had a significant role in shaping the landscape of modern populations. Many populations living in Eurasia may have been the product of population mixture between ancient Mongolians and natives following the expansion of Mongol Empire. Geneticists have found that most of these populations carried the Y-haplogroup C3* (C-M217). To trace the history of haplogroup (Hg) C3* and to further understand the origin and development of Mongolians, ancient human remains from the Jinggouzi, Chenwugou and Gangga archaeological sites, which belonged to the Donghu, Xianbei and Shiwei, respectively, were analysed. Our results show that nine of the eleven males of the Gangga site, two of the eight males of Chengwugou site and all of the twelve males of Jinggouzi site were found to have mutations at M130 (Hg C), M217 (Hg C3), L1373 (C2b, ISOGG2015), with the absence of mutations at M93 (Hg C3a), P39 (Hg C3b), M48 (Hg C3c), M407 (Hg C3d) and P62 (Hg C3f). These samples were attributed to the Y-chromosome Hg C3* (Hg C2b, ISOGG2015), and most of them were further typed as Hg C2b1a based on the mutation at F3918. Finally, we inferred that the Y-chromosome Hg C3*-F3918 can trace its origins to the Donghu ancient nomadic group. PMID- 29208946 TI - The enigmatic SAR202 cluster up close: shedding light on a globally distributed dark ocean lineage involved in sulfur cycling. AB - The dark ocean microbiota represents the unknown majority in the global ocean waters. The SAR202 cluster belonging to the phylum Chloroflexi was the first microbial lineage discovered to specifically inhabit the aphotic realm, where they are abundant and globally distributed. The absence of SAR202 cultured representatives is a significant bottleneck towards understanding their metabolic capacities and role in the marine environment. In this work, we use a combination of metagenome-assembled genomes from deep-sea datasets and publicly available single-cell genomes to construct a genomic perspective of SAR202 phylogeny, metabolism and biogeography. Our results suggest that SAR202 cluster members are medium sized, free-living cells with a heterotrophic lifestyle, broadly divided into two distinct clades. We present the first evidence of vertical stratification of these microbes along the meso- and bathypelagic ocean layers. Remarkably, two distinct species of SAR202 cluster are highly abundant in nearly all deep bathypelagic metagenomic datasets available so far. SAR202 members metabolize multiple organosulfur compounds, many appear to be sulfite-oxidizers and are predicted to play a major role in sulfur turnover in the dark water column. This concomitantly suggests an unsuspected availability of these nutrient sources to allow for the high abundance of these microbes in the deep sea. PMID- 29208948 TI - A novel mutation in SLC1A3 causes episodic ataxia. AB - Episodic ataxias (EAs) are rare channelopathies characterized by recurrent ataxia and vertigo, having eight subtypes. Mutated genes were found in four of these eight subtypes (EA1, EA2, EA5, and EA6). To date, only four missense mutations in the Solute Carrier Family 1 Member 3 gene (SLC1A3) have been reported to cause EA6. SLC1A3 encodes excitatory amino-acid transporter 1, which is a trimeric transmembrane protein responsible for glutamate transport in the synaptic cleft. In this study, we found a novel missense mutation, c.383T>G (p.Met128Arg) in SLC1A3, in an EA patient by whole-exome sequencing. The modeled structural analysis suggested that p.Met128Arg may affect the hydrophobic transmembrane environment and protein function. Analysis of the pathogenicity of all mutations found in SLC1A3 to date using multiple prediction tools showed some advantage of using the Mendelian Clinically Applicable Pathogenicity (M-CAP) score. Various types of SLC1A3 variants, including nonsense mutations and indels, in the ExAC database suggest that the loss-of-function mechanism by SLC1A3 mutations is unlikely in EA6. The current mutation (p.Med128Arg) presumably has a gain-of function effect as described in a previous report. PMID- 29208949 TI - Cooperation and the evolution of hunter-gatherer storytelling. AB - Storytelling is a human universal. From gathering around the camp-fire telling tales of ancestors to watching the latest television box-set, humans are inveterate producers and consumers of stories. Despite its ubiquity, little attention has been given to understanding the function and evolution of storytelling. Here we explore the impact of storytelling on hunter-gatherer cooperative behaviour and the individual-level fitness benefits to being a skilled storyteller. Stories told by the Agta, a Filipino hunter-gatherer population, convey messages relevant to coordinating behaviour in a foraging ecology, such as cooperation, sex equality and egalitarianism. These themes are present in narratives from other foraging societies. We also show that the presence of good storytellers is associated with increased cooperation. In return, skilled storytellers are preferred social partners and have greater reproductive success, providing a pathway by which group-beneficial behaviours, such as storytelling, can evolve via individual-level selection. We conclude that one of the adaptive functions of storytelling among hunter gatherers may be to organise cooperation. PMID- 29208950 TI - X-ray diffraction reveals the intrinsic difference in the physical properties of membrane and soluble proteins. AB - Membrane proteins are distinguished from soluble proteins by their insertion into biological membranes. This insertion is achieved via a noticeable arrangement of hydrophobic amino acids that are exposed at the surface of the protein, and renders the interaction with the aliphatic tails of lipids more energetically favorable. This important difference between these two categories of proteins is the source of the need for a specific handling of membrane proteins, which transpired in the creation of new tools for their recombinant expression, purification and even crystallization. Following this line, we show here that crystals of membrane proteins display systematically higher diffraction anisotropy than those of soluble proteins. This phenomenon dramatically hampers structure solution and refinement, and has a strong impact on the quality of electron-density maps. A farther search for origins of this phenomenon showed that the type of crystallization, and thus the crystal packing, has no impact on anisotropy, nor does the nature or function of the membrane protein. Membrane proteins fully embedded within the membrane display equal anisotropy compared to the ones with extra membranous domains or fusions with soluble proteins. Overall, these results overturn common beliefs and call for a specific handling of their diffraction data. PMID- 29208951 TI - Functional and spatial segregation within the inferior frontal and superior temporal cortices during listening, articulation imagery, and production of vowels. AB - Classical models of language localize speech perception in the left superior temporal and production in the inferior frontal cortex. Nonetheless, neuropsychological, structural and functional studies have questioned such subdivision, suggesting an interwoven organization of the speech function within these cortices. We tested whether sub-regions within frontal and temporal speech related areas retain specific phonological representations during both perception and production. Using functional magnetic resonance imaging and multivoxel pattern analysis, we showed functional and spatial segregation across the left fronto-temporal cortex during listening, imagery and production of vowels. In accordance with classical models of language and evidence from functional studies, the inferior frontal and superior temporal cortices discriminated among perceived and produced vowels respectively, also engaging in the non-classical, alternative function - i.e. perception in the inferior frontal and production in the superior temporal cortex. Crucially, though, contiguous and non-overlapping sub-regions within these hubs performed either the classical or non-classical function, the latter also representing non-linguistic sounds (i.e., pure tones). Extending previous results and in line with integration theories, our findings not only demonstrate that sensitivity to speech listening exists in production related regions and vice versa, but they also suggest that the nature of such interwoven organisation is built upon low-level perception. PMID- 29208952 TI - Major depletion of SOX2+ stem cells in the adult pituitary is not restored which does not affect hormonal cell homeostasis and remodelling. AB - The pituitary gland contains SOX2-expressing stem cells. However, their functional significance remains largely unmapped. We investigated their importance by depleting SOX2+ cells through diphtheria toxin (DT)-mediated ablation. DT treatment of adult Sox2CreERT2/+;R26iDTR/+ mice (after tamoxifen induced expression of DT receptor in SOX2+ cells) resulted in 80% obliteration of SOX2+ cells in the endocrine pituitary, coinciding with reduced pituisphere forming activity. Counterintuitively for a stem cell population, the SOX2+ cell compartment did not repopulate. Considering the more active phenotype of the stem cells during early-postnatal pituitary maturation, SOX2+ cell ablation was also performed in 4- and 1-week-old animals. Ablation grade diminished with decreasing age and was accompanied by a proliferative reaction of the SOX2+ cells, suggesting a rescue attempt. Despite this activation, SOX2+ cells did also not recover. Finally, the major SOX2+ cell depletion in adult mice did not affect the homeostatic maintenance of pituitary hormonal cell populations, nor the corticotrope remodelling response to adrenalectomy challenge. Taken together, our study shows that pituitary SOX2+ fail to regenerate after major depletion which does not affect adult endocrine cell homeostasis and remodelling. Thus, pituitary SOX2+ cells may constitute a copious stem cell reserve or may have other critical role(s) still to be clearly defined. PMID- 29208953 TI - Reconstructing ice-margin retreat using delta morphostratigraphy. AB - The paleogeographic reconstruction of the successive inland positions of a retreating ice sheet is generally constrained by mapping moraines. However, deltaic complexes constructed by sediment-charged meltwater can also provide a record of the retreating ice-margin positions. Here, we examine a serie of ice contact, ice-distal glaciofluvial and paraglacial depositional systems that developed along the Quebec North Shore (eastern Canada) in the context of falling relative sea level during the northward retreat of the Laurentide Ice Sheet (LIS). Ice-contact depositional systems formed when the LIS was stillstanding along the Quebec North Shore. Subsequent inland retreat of the ice margin generated glacial meltwaters feeding sediment to glaciofluvial deltas, leading to their rapid progradation. The retreat of the ice margin from drainage basins was marked by the onset of paraglacial processes such as the shutdown of delta progradation, severe fluvial entrenchment, and deposition of shallow-marine strata. Four end-member scenarios describe the spatial and stratigraphic distribution of these three depositional systems (ice-contact deposits, ice distal glaciofluvial deltas, and paraglacial suites). They reflect both the inherited drainage basin physiography and the retreat pattern of the ice margin. Applied to twenty deltaic complexes, these end-members allowed us to refine the model of LIS-margin retreat over southeastern Quebec. PMID- 29208954 TI - Monitoring trifluridine incorporation in the peripheral blood mononuclear cells of colorectal cancer patients under trifluridine/tipiracil medication. AB - Trifluridine/tipiracil (TFTD, TAS-102) is an orally administrated anti-cancer drug with efficacy validated for patients with metastatic colorectal cancer (mCRC). Trifluridine (FTD) is an active cytotoxic component of TFTD and mediates the anticancer effect via its incorporation into DNA. However, it has not been examined whether FTD is incorporated into the tissues of patients who received TFTD medication. By detecting FTD incorporation into DNA by a specific antibody, we successfully detected FTD in the bone marrow and spleen cells isolated from FTD-challenged mice as well as human peripheral blood mononuclear cells (PBMCs) activated with phytohemagglutinin-P and exposed to FTD in vitro. FTD was also detected in PBMCs isolated from mCRC patients who had administrated TFTD medication. Intriguingly, weekly evaluation of PBMCs from mCRC patients revealed the percentage of FTD-positive PBMCs increased and decreased in parallel with the administration and cessation of TFTD medication, respectively. To our knowledge, this is the first report to detect an active cytotoxic component of a chemotherapeutic drug in clinical specimens using a specific antibody. This technique may enable us to predict the clinical benefits or the adverse effects of TFTD in mCRC patients. PMID- 29208955 TI - The interdomain flexible linker of the polypeptide GalNAc transferases dictates their long-range glycosylation preferences. AB - The polypeptide GalNAc-transferases (GalNAc-Ts), that initiate mucin-type O glycosylation, consist of a catalytic and a lectin domain connected by a flexible linker. In addition to recognizing polypeptide sequence, the GalNAc-Ts exhibit unique long-range N- and/or C-terminal prior glycosylation (GalNAc-O-Ser/Thr) preferences modulated by the lectin domain. Here we report studies on GalNAc-T4 that reveal the origins of its unique N-terminal long-range glycopeptide specificity, which is the opposite of GalNAc-T2. The GalNAc-T4 structure bound to a monoglycopeptide shows that the GalNAc-binding site of its lectin domain is rotated relative to the homologous GalNAc-T2 structure, explaining their different long-range preferences. Kinetics and molecular dynamics simulations on several GalNAc-T2 flexible linker constructs show altered remote prior glycosylation preferences, confirming that the flexible linker dictates the rotation of the lectin domain, thus modulating the GalNAc-Ts' long-range preferences. This work for the first time provides the structural basis for the different remote prior glycosylation preferences of the GalNAc-Ts. PMID- 29208956 TI - Poleta O-GlcNAcylation governs genome integrity during translesion DNA synthesis. AB - DNA polymerase eta (Poleta) facilitates translesion DNA synthesis (TLS) across ultraviolet (UV) irradiation- and cisplatin-induced DNA lesions implicated in skin carcinogenesis and chemoresistant phenotype formation, respectively. However, whether post-translational modifications of Poleta are involved in these processes remains largely unknown. Here, we reported that human Poleta undergoes O-GlcNAcylation at threonine 457 by O-GlcNAc transferase upon DNA damage. Abrogation of this modification results in a reduced level of CRL4CDT2-dependent Poleta polyubiquitination at lysine 462, a delayed p97-dependent removal of Poleta from replication forks, and significantly enhanced UV-induced mutagenesis even though Poleta focus formation and its efficacy to bypass across cyclobutane pyrimidine dimers after UV irradiation are not affected. Furthermore, the O GlcNAc-deficient T457A mutation impairs TLS to bypass across cisplatin-induced lesions, causing increased cellular sensitivity to cisplatin. Our findings demonstrate a novel role of Poleta O-GlcNAcylation in TLS regulation and genome stability maintenance and establish a new rationale to improve chemotherapeutic treatment. PMID- 29208958 TI - The positivity of estrogen receptor and progesterone receptor may not be associated with metastasis and recurrence in epithelial ovarian cancer. AB - The estrogen (ER) or progesterone receptors (PR) is positively associated with better clinical outcomes in ovarian cancer. Whether metastasis or recurrence of ovarian cancer is correlated with this association has not been investigated. Data on 894 women with epithelial ovarian cancer were collected and the association between ER or PR positivity and peritoneal or lymph node metastases or recurrence was analysed. ER or PR positivity was higher in high-grade, low grade serous and endometrioid carcinoma, but lower in mucinous and clear-cell carcinoma. Significantly higher ER or PR positivity was seen in endometrioid carcinoma or high-grade serous carcinoma with peritoneal metastases, respectively, but not other subtypes. In addition, there was no significant difference in ER or PR positivity between cases with and without lymph node metastasis in these five subtypes. In recurrent high-grade serous carcinoma with peritoneal metastases (n = 103), the positivity of ER or PR was 86% and 55% respectively. Our data demonstrate that the association between ER or PR positivity and peritoneal metastases was only seen in endometrioid or high grade serous carcinoma, respectively. There was no association of ER or PR positivity and lymph node metastases. The majority of recurrent high-grade serous carcinoma with peritoneal metastases (86%) were ER positive. PMID- 29208959 TI - Design and Synthesis of an Artificial Perpendicular Hard Ferrimagnet with High Thermal and Magnetic Field Stabilities. AB - It is of great fundamental and practical interest to develop effective means of modulating the magnetic hystereses of magnetic materials and their heterostructures. A notable example is the exchange bias (EB) effect between an antiferromagnet or ferrimagnet and a ferromagnet, which has been widely employed to manipulate magnetic anisotropy in spintronic devices and artificial magnets. Here, we report the design, synthesis and characterization of a synthetic perpendicularly-magnetized ferrimagnet based on [Mn2.9Ga/Co2MnSi]n superlattices, which attains thermal stability above 400 K and a coercive field up to 45 kOe through a mechanism of magnetic compensation. The structure is incorporated into a prototype Heusler alloy and MgO barrier based magnetic tunnel junction, which demonstrates high dynamic range linear field responses and an unusual in-plane EB effect. With increasing temperature, the coercive field reaches beyond 70 kOe at 400 K in this device due to the increasing degree of magnetic moment compensation in the superlattice. The results demonstrate that the compensation mechanism can be utilized to achieve simultaneous thermal robustness and high coercivity in realistic spintronic devices. PMID- 29208957 TI - Neuronal signals regulate obesity induced beta-cell proliferation by FoxM1 dependent mechanism. AB - Under insulin-resistant conditions such as obesity, pancreatic beta-cells proliferate to prevent blood glucose elevations. A liver-brain-pancreas neuronal relay plays an important role in this process. Here, we show the molecular mechanism underlying this compensatory beta-cell proliferation. We identify FoxM1 activation in islets from neuronal relay-stimulated mice. Blockade of this relay, including vagotomy, inhibits obesity-induced activation of the beta-cell FoxM1 pathway and suppresses beta-cell expansion. Inducible beta-cell-specific FoxM1 deficiency also blocks compensatory beta-cell proliferation. In isolated islets, carbachol and PACAP/VIP synergistically promote beta-cell proliferation through a FoxM1-dependent mechanism. These findings indicate that vagal nerves that release several neurotransmitters may allow simultaneous activation of multiple pathways in beta-cells selectively, thereby efficiently promoting beta-cell proliferation and maintaining glucose homeostasis during obesity development. This neuronal signal-mediated mechanism holds potential for developing novel approaches to regenerating pancreatic beta-cells. PMID- 29208960 TI - MIF -173 G > C (rs755622) Gene Polymorphism Modulates Tuberculosis Risk: Evidence from a Meta-analysis and Trial Sequential Analysis. AB - The macrophage migration inhibitory factor (MIF) is a cytokine that plays an important role in inhibiting the growth of pathogenic Mycobacterium tuberculosis (M.tb) and regulates immune responses against M.tb pathogen. MIF -173 G > C gene polymorphism may affect immunity in an individual and leads to susceptibility to tuberculosis (TB). A large number of studies have investigated the relevance of this polymorphism with TB risk, but their results were inconclusive. To obtain a precise conclusion, a meta-analysis was performed by retrieving six eligible studies from Google Scholar, PubMed (Medline), and EMBASE online databases. Overall combined analysis suggested increased TB risk between MIF -173 G > C polymorphism and overall risk in four genetic models, i.e., allelic (C vs. G: p = 0.001; OR = 1.517, 95% CI = 1.312 to 1.753), homozygous (CC vs. GG: p = 0.026; OR = 1.874, 95% CI = 1.079 to 3.257), heterozygous (GC vs. GG: p = 0.001; OR = 1.542, 95% CI = 1.273 to 1.868) and dominant model (CC + GC vs. GG: p = 0.001; OR = 1.631, 95% CI = 1.362 to 1.955). Similarly, increased TB risk was observed in subgroup analysis of Asian ethnicity. No publication bias was observed. These results suggested that MIF -173 G > C variant is a significant risk factor for TB in overall and in Asian populations, and can be used as prognostic marker for TB susceptibility. PMID- 29208961 TI - Investigation of different nitrogen reduction routes and their key microbial players in wood chip-driven denitrification beds. AB - Field denitrification beds containing polymeric plant material are increasingly used to eliminate nitrate from agricultural drainage water. They mirror a number of anoxic ecosystems. However, knowledge of the microbial composition, the interaction of microbial species, and the carbon degradation processes within these denitrification systems is sparse. This study revealed several new aspects of the carbon and nitrogen cycle, and these findings can be correlated with the dynamics of the microbial community composition and the activity of key species. Members of the order Pseudomonadales seem to be important players in denitrification at low nitrate concentrations, while a switch to higher nitrate concentrations seems to select for members of the orders Rhodocyclales and Rhizobiales. We observed that high nitrate loading rates lead to an unpredictable transition of the community's activity from denitrification to dissimilatory reduction of nitrate to ammonium (DNRA). This transition is mirrored by an increase in transcripts of the nitrite reductase gene nrfAH and the increase correlates with the activity of members of the order Ignavibacteriales. Denitrification reactors sustained the development of an archaeal community consisting of members of the Bathyarchaeota and methanogens belonging to the Euryarchaeota. Unexpectedly, the activity of the methanogens positively correlated with the nitrate loading rates. PMID- 29208962 TI - Exploration of pyrazine-embedded antiaromatic polycyclic hydrocarbons generated by solution and on-surface azomethine ylide homocoupling. AB - Nanographenes, namely polycyclic aromatic hydrocarbons (PAHs) with nanoscale dimensions (>1 nm), are atomically precise cutouts from graphene. They represent prime models to enhance the scope of chemical and physical properties of graphene through structural modulation and functionalization. Defined nitrogen doping in nanographenes is particularly attractive due to its potential for increasing the number of pi-electrons, with the possibility of introducing localized antiaromatic ring elements. Herein we present azomethine ylide homocoupling as a strategy to afford internally nitrogen-doped, non-planar PAH in solution and planar nanographene on surfaces, with central pyrazine rings. Localized antiaromaticity of the central ring is indicated by optical absorption spectroscopy in conjunction with theoretical calculations. Our strategy opens up methods for chemically tailoring graphene and nanographenes, modified by antiaromatic dopants. PMID- 29208963 TI - Enhanced CD25+Foxp3+ regulatory T cell development by amodiaquine through activation of nuclear receptor 4A. AB - CD4+ T cells play key roles in the regulation of immune responses against pathogenic infectious antigens via development into effector T helper and induced regulatory T (iTreg) cells. Particularly, CD4+CD25+Foxp3+ iTreg cells are crucial for maintaining immune homeostasis and controlling inflammatory diseases. Anti inflammatory drugs that enhance iTreg cell generation would be effective at preventing and treating inflammatory and autoimmune diseases. In this study, we examined whether anti-malarial and anti-arthritic amodiaquine (AQ) could affect iTreg cell development. Despite the anti-proliferative activity of AQ, AQ only moderately decreased iTreg cell proliferation but substantially increased IL-2 production by iTreg cells. Furthermore, AQ dose-dependently increased iTreg cell development and significantly upregulated iTreg cell markers including CD25. Interestingly, CD25 expression was decreased at later stages of iTreg cell development but was sustained in the presence of AQ, which was independent of IL 2 signaling pathway. AQ directly increased CD25 gene transcription by enhancing the DNA-binding and transcriptional activity of nuclear receptor 4 A. Most importantly, in vivo administration of AQ attenuated inflammatory colitis, resulted in the increased iTreg cells and decreased inflammatory cytokines. The ability of anti-malarial AQ to potentiate iTreg cell development makes it a promising drug for preventing and treating inflammatory and autoimmune diseases. PMID- 29208964 TI - Reduced anxiety is associated with the accumulation of six serotonin reuptake inhibitors in wastewater treatment effluent exposed goldfish Carassius auratus. AB - Pharmaceuticals and personal care products (PPCPs) have been found in wastewater treatment plant (WWTP) effluents and their recipient watersheds. To assess the potential of WWTP effluents to alter fish behaviour, we caged male goldfish (Carassius auratus) for 21-days at three sites along a contamination gradient downstream from a WWTP which discharges into Cootes Paradise Marsh, on the western tip of Lake Ontario. We also included a fourth caging site as an external reference site within Lake Ontario at the Jordan Harbour Conservation Area. We then measured concentrations of PPCPs and monoamine neurotransmitters in caged goldfish plasma, and conducted behavioural assays measuring activity, startle response, and feeding. We detected fifteen different PPCPs in goldfish plasma including six serotonin reuptake inhibitors (amitriptyline, citalopram, fluoxetine/norfluoxetine, sertraline, venlafaxine, and diphenhydramine). Plasma concentrations of serotonin were significantly greater in plasma of fish caged closer to the WWTP effluent outfall site. The fish caged near and downstream of the WWTP effluent were bolder, more exploratory, and more active overall than fish caged at the reference site. Taken together, our results suggest that fish downstream of WWTPs are accumulating PPCPs at levels sufficient to alter neurotransmitter concentrations and to also impair ecologically-relevant behaviours. PMID- 29208965 TI - Network effects on coordination in asymmetric games. AB - Network structure can have an important effect on the behavior of players in an iterated 2 * 2 game. We study the effect of network structure on global and local behavior in asymmetric coordination games using best response dynamics. We find that global behavior is highly dependent on network topology. Random (Erdos Renyi) networks mostly converge to homogeneous behavior, but the higher the clustering in the network the more heterogeneous the behavior becomes. Behavior within the communities of the network is almost exclusively homogeneous. The findings suggest that clustering of networks facilitates self-organization of uniform behavior within clusters, but heterogeneous behavior between clusters. At the local level we find that some nodes are more important in determining the equilibrium behavior than other nodes. Degree centrality is for most networks the main predictor for the behavior and nodes with an even degree have an advantage over nodes with an uneven degree in dictating the behavior. We conclude that the behavior is difficult to predict for (Erdos-Renyi) networks and that the network imposes the behavior as a function of clustering and degree heterogeneity in other networks. PMID- 29208966 TI - A two-dimensional Fe-doped SnS2 magnetic semiconductor. AB - Magnetic two-dimensional materials have attracted considerable attention for their significant potential application in spintronics. In this study, we present a high-quality Fe-doped SnS2 monolayer exfoliated using a micromechanical cleavage method. Fe atoms were doped at the Sn atom sites, and the Fe contents are ~2.1%, 1.5%, and 1.1%. The field-effect transistors based on the Fe0.021Sn0.979S2 monolayer show n-type behavior and exhibit high optoelectronic performance. Magnetic measurements show that pure SnS2 is diamagnetic, whereas Fe0.021Sn0.979S2 exhibits ferromagnetic behavior with a perpendicular anisotropy at 2 K and a Curie temperature of ~31 K. Density functional theory calculations show that long-range ferromagnetic ordering in the Fe-doped SnS2 monolayer is energetically stable, and the estimated Curie temperature agrees well with the results of our experiment. The results suggest that Fe-doped SnS2 has significant potential in future nanoelectronic, magnetic, and optoelectronic applications. PMID- 29208967 TI - A selective inhibition of c-Fos/activator protein-1 as a potential therapeutic target for intervertebral disc degeneration and associated pain. AB - Intervertebral disc (IVD) degeneration is a major cause of low back pain. The transcription factor c-Fos/Activator Protein-1 (AP-1) controls the expression of inflammatory cytokines and matrix metalloproteinases (MMPs) that contribute to the pathogenesis IVD degeneration. We investigated the effects of inhibition of c Fos/AP-1 on IVD degeneration and associated pain. A selective inhibitor, T-5224, significantly suppressed the interleukin-1beta-induced up-regulation of Mmp-3, Mmp-13 and Adamts-5 transcription in human nucleus pulposus cells and in a mouse explant culture model of IVD degeneration. We used a tail disc percutaneous needle puncture method to further assess the effects of oral administration of T 5224 on IVD degeneration. Analysis of disc height, T2-magnetic resonance imaging (MRI) findings, and histology revealed that IVD degeneration was significantly mitigated by T-5224. Further, oral administration of T-5224 ameliorated pain as indicated by the extended tail-flick latency in response to heat stimulation of rats with needle-puncture-induced IVD degeneration. These findings suggest that the inhibition of c-Fos/AP-1 prevents disc degeneration and its associated pain and that T-5224 may serve as a drug for the prevention of IVD degeneration. PMID- 29208968 TI - Simultaneous representation of a spectrum of dynamically changing value estimates during decision making. AB - Decisions are based on value expectations derived from experience. We show that dorsal anterior cingulate cortex and three other brain regions hold multiple representations of choice value based on different timescales of experience organized in terms of systematic gradients across the cortex. Some parts of each area represent value estimates based on recent reward experience while others represent value estimates based on experience over the longer term. The value estimates within these areas interact with one another according to their temporal scaling. Some aspects of the representations change dynamically as the environment changes. The spectrum of value estimates may act as a flexible selection mechanism for combining experience-derived value information with other aspects of value to allow flexible and adaptive decisions in changing environments. PMID- 29208970 TI - Integrated mRNA and microRNA transcriptome analysis reveals miRNA regulation in response to PVA in potato. AB - Potato (Solanum tuberosum L.) is the fourth most important crop worldwide. Potato virus A (PVA) is one of the most harmful viruses infecting potatoes. However, the molecular mechanisms governing the responses to PVA infection in potato at the transcriptional and post-transcriptional levels are not well understood. In this study, we performed both mRNA and small RNA sequencing in potato leaves to identify the genes and miRNAs involved in the response to PVA infection. A total of 2,062 differentially expressed genes (DEGs) and 201 miRNAs (DEMs) were identified, respectively. Gene ontology (GO) and KEGG analysis revealed that these DEGs were involved in the transduction of pathogen signals, transcriptional reprogramming, induction of hormone signaling, activation of pathogenesis-related (PR) genes, and changes in secondary metabolism. Small RNA sequencing revealed 58 miRNA-mRNA interactions related to PVA infection. Some of the miRNAs (stu-miR482d 3p, stu-miR397-5p, etc) which target PR genes showed negative correlations between the DEMs and DEGs. Eight of the DEGs and three DEMs with their target genes were further validated by quantitative real time-PCR (qRT-PCR). Overall, this study provides a transcriptome-wide insight into the molecular basis of resistance to PVA infection in potato leaves and potenital candidate genes for improving resistance cultivars. PMID- 29208969 TI - Association of kidney fibrosis with urinary peptides: a path towards non-invasive liquid biopsies? AB - Chronic kidney disease (CKD) is a prevalent cause of morbidity and mortality worldwide. A hallmark of CKD progression is renal fibrosis characterized by excessive accumulation of extracellular matrix (ECM) proteins. In this study, we aimed to investigate the correlation of the urinary proteome classifier CKD273 and individual urinary peptides with the degree of fibrosis. In total, 42 kidney biopsies and urine samples were examined. The percentage of fibrosis per total tissue area was assessed in Masson trichrome stained kidney tissues. The urinary proteome was analysed by capillary electrophoresis coupled to mass spectrometry. CKD273 displayed a significant and positive correlation with the degree of fibrosis (Rho = 0.430, P = 0.0044), while the routinely used parameters (glomerular filtration rate, urine albumin-to-creatinine ratio and urine protein to-creatinine ratio) did not (Rho = -0.222; -0.137; -0.070 and P = 0.16; 0.39; 0.66, respectively). We identified seven fibrosis-associated peptides displaying a significant and negative correlation with the degree of fibrosis. All peptides were collagen fragments, suggesting that these may be causally related to the observed accumulation of ECM in the kidneys. CKD273 and specific peptides are significantly associated with kidney fibrosis; such an association could not be detected by other biomarkers for CKD. These non-invasive fibrosis-related biomarkers can potentially be implemented in future trials. PMID- 29208971 TI - Association between nonspecific interstitial pneumonia and presence of CD20+ B lymphocytes within pulmonary lymphoid follicles. AB - Nonspecific interstitial pneumonia (NSIP) is characterised by interstitial infiltration of lymphocytes and varying amounts of interstitial fibrosis. B cells have been suggested to contribute to the pathogenesis of NSIP. However, the relationship between B-lymphocyte and the clinical outcomes of NSIP was unclear. In this study, 50 patients with histopathologically confirmed NSIP from Peking Union Medical College Hospital between April 2003 to December 2012 were retrospectively analyzed. Using immunohistochemical analyses, CD20+ B cells were counted in the lymphoid follicles, perivascular, interstitial, and peribronchiolar regions of lung tissure. The CD20+ lymphocytes were mainly present in the lymphoid follicles. The number of follicular CD20+ lymphocytes was higher in the fibrosing than cellular NSIP pattern [255.08 (132.92-449.71) vs. 121.33 (63.54-282.88)/0.1 mm2, p = 0.017]. After 1 year of therapy, the follicular CD20+ lymphocytes were significantly higher in patients whose forced vital capacity (FVC) worsened as compared to those who improved (p = 0.014). Additionally, follicular CD20+ lymphocytes were negatively correlated with the post-treatment percentage change in FVC (rho = -0.397, p = 0.004). However, follicular CD20+ lymphocytes were not correlated with survival. These results suggested that pulmonary follicular CD20+ lymphocytes were correlated with the fibrosing pattern of NSIP and predicted less clinical improvement after treatment. PMID- 29208972 TI - Effects of 1,25 and 24,25 Vitamin D on Corneal Epithelial Proliferation, Migration and Vitamin D Metabolizing and Catabolizing Enzymes. AB - This study investigated the effects of 1,25(OH)2D3 and 24R,25(OH)2D3 on corneal epithelial cell proliferation, migration, and on the vitamin D activating enzyme CYP27B1 (produces 1,25(OH)2D3) and inactivating enzyme CYP24A1 (produces 24R,25(OH)2D3). The role of the vitamin D receptor (VDR) was also examined. In VDR wildtype mouse corneal epithelial cells (WT), 1,25(OH)2D3 increased CYP24A1 protein expression and decreased CYP27B1 expression. In VDR knockout mouse epithelial cells (KO), 1,25(OH)2D3 increased CYP24A1 and CYP27B1 protein expression. 1,25(OH)2D3 did not affect WT cell proliferation, but did stimulate VDR KO cell proliferation. In a human corneal epithelial cell line (HCEC), 1,25(OH)2D3 increased CYP24A1 mRNA and protein expression. 1,25(OH)2D3 increased CYP27B1 mRNA levels in HCEC, but had no effect on CYP27B1 protein levels. 1,25(OH)2D3 inhibited HCEC proliferation and stimulated cell migration in primary human epithelial cells. 24,25(OH)2D3, on the other hand, increased both CYP24A1 and CYP27B1 protein expression in WT and VDR KO cells, and stimulated cell proliferation in both WT and KO cells. In HCEC, 24,25(OH)2D3 increased CYP24A1 and CYP27B1 mRNA and protein expression, and stimulated cell migration. In human primary corneal epithelial cells, 24,25(OH)2D3 stimulated migration. We conclude that 24R,25(OH)2D3 is likely involved in corneal epithelial cell regulation independent of 1,25(OH)2D3 or VDR. PMID- 29208973 TI - Coupling of sea level and tidal range changes, with implications for future water levels. AB - Are perturbations to ocean tides correlated with changing sea-level and climate, and how will this affect high water levels? Here, we survey 152 tide gauges in the Pacific Ocean and South China Sea and statistically evaluate how the sum of the four largest tidal constituents, a proxy for the highest astronomical tide (HAT), changes over seasonal and interannual time scales. We find that the variability in HAT is significantly correlated with sea-level variability; approximately 35% of stations exhibit a greater than +/-50 mm tidal change per meter sea-level fluctuation. Focusing on a subset of three stations with long records, probability density function (PDF) analyses of the 95% percentile exceedance of total sea level (TSL) show long-term changes of this high-water metric. At Hong Kong, the increase in tides significantly amplifies the risk caused by sea-level rise. Regions of tidal decrease and/or amplification highlight the non-linear response to sea-level variations, with the potential to amplify or mitigate against the increased flood risk caused by sea-level rise. Overall, our analysis suggests that in many regions, local flood level determinations should consider the joint effects of non-stationary tides and mean sea level (MSL) at multiple time scales. PMID- 29208974 TI - Bioaccumulation of pharmaceuticals and personal care product chemicals in fish exposed to wastewater effluent in an urban wetland. AB - The bioaccumulation of a broad range of pharmaceuticals and personal care product chemicals (PPCPs) was studied in Cootes Paradise Marsh (CPM), an urban wetland that receives tertiary treated municipal waste waters as well as urban storm runoff. We measured PPCPs in caged and wild goldfish, as well as wild carp, and compared observed bioaccumulation factors (BAFP) using concentrations in surface waters and fish blood plasma, with modeled BAFs. Thirty-two PPCPs were detected in water from the central CPM site (CPM3) while 64 PPCPs were found at higher concentrations at a site immediately downstream of the effluent outflow (CPM1). Following a 3-week deployment, 15 PPCPs were detected in the plasma of caged goldfish at CPM1, and 14 at CPM3, compared to only 3 in goldfish caged at a reference site. The highest BAFP in goldfish were for the antidepressant Sigmafluoxetine averaging 386 L/kg in caged and 906 L/kg in wild goldfish, respectively. In carp, SigmaDiazepam (diazepam and oxazepam) had the highest BAFP (927 L/kg). This study identified a broader range of PPCPs in fish and surface waters than previously reported. However, modeled BAFs did not show good agreement with observed whole body or plasma BAFs, demonstrating that more work is needed to better explain bioaccumulation of PPCPs. PMID- 29208975 TI - A numerical treatment of radiative nanofluid 3D flow containing gyrotactic microorganism with anisotropic slip, binary chemical reaction and activation energy. AB - A numerical investigation of steady three dimensional nanofluid flow carrying effects of gyrotactic microorganism with anisotropic slip condition along a moving plate near a stagnation point is conducted. Additionally, influences of Arrhenius activation energy, joule heating accompanying binary chemical reaction and viscous dissipation are also taken into account. A system of nonlinear differential equations obtained from boundary layer partial differential equations is found by utilization of apposite transformations. RK fourth and fifth order technique of Maple software is engaged to acquire the solution of the mathematical model governing the presented fluid flow. A Comparison with previously done study is also made and a good agreement is achieved with existing results; hence reliable results are being presented. Evaluations are carried out for involved parameters graphically against velocity, temperature, concentration fields, microorganism distribution, density number, local Nusselt and Sherwood numbers. It is detected that microorganism distribution exhibit diminishing behavior for rising values of bio-convection Lewis and Peclet numbers. PMID- 29208976 TI - Dynamical system with plastic self-organized velocity field as an alternative conceptual model of a cognitive system. AB - It is well known that architecturally the brain is a neural network, i.e. a collection of many relatively simple units coupled flexibly. However, it has been unclear how the possession of this architecture enables higher-level cognitive functions, which are unique to the brain. Here, we consider the brain from the viewpoint of dynamical systems theory and hypothesize that the unique feature of the brain, the self-organized plasticity of its architecture, could represent the means of enabling the self-organized plasticity of its velocity vector field. We propose that, conceptually, the principle of cognition could amount to the existence of appropriate rules governing self-organization of the velocity field of a dynamical system with an appropriate account of stimuli. To support this hypothesis, we propose a simple non-neuromorphic mathematical model with a plastic self-organized velocity field, which has no prototype in physical world. This system is shown to be capable of basic cognition, which is illustrated numerically and with musical data. Our conceptual model could provide an additional insight into the working principles of the brain. Moreover, hardware implementations of plastic velocity fields self-organizing according to various rules could pave the way to creating artificial intelligence of a novel type. PMID- 29208978 TI - Algae associated with coral degradation affects risk assessment in coral reef fishes. AB - Habitat degradation alters the chemical landscape through which information about community dynamics is transmitted. Olfactory information is crucial for risk assessment in aquatic organisms as predators release odours when they capture prey that lead to an alarm response in conspecific prey. Recent studies show some coral reef fishes are unable to use alarm odours when surrounded by dead-degraded coral. Our study examines the spatial and temporal dynamics of this alarm odour nullifying effect, and which substratum types may be responsible. Field experiments showed that settlement-stage damselfish were not able to detect alarm odours within 2 m downcurrent of degraded coral, and that the antipredator response was re-established 20-40 min after transferral to live coral. Laboratory experiments indicate that the chemicals from common components of the degraded habitats, the cyanobacteria, Okeania sp., and diatom, Pseudo-nitzschia sp.prevented an alarm odour response. The same nullifying effect was found for the common red algae, Galaxauria robusta, suggesting that the problem is of a broader nature than previously realised. Those fish species best able to compensate for a lack of olfactory risk information at key times will be those potentially most resilient to the effects of coral degradation that operate through this mechanism. PMID- 29208977 TI - Protein Structure Insights into the Bilayer Interactions of the Saposin-Like Domain of Solanum tuberosum Aspartic Protease. AB - Many plant aspartic proteases contain a saposin-like domain whose principal functions are intracellular sorting and host defence. Its structure is characterised by helical segments cross-linked by three highly conserved cystines. The present study on the saposin-like domain of Solanum tuberosum aspartic protease revealed that acidification from inactive to active conditions causes dimerisation and a strand-to-helix secondary structure transition independent of bilayer interaction. Bilayer fusion was shown to occur under reducing conditions yielding a faster shift to larger vesicle sizes relative to native conditions, implying that a lower level structural motif might be bilayer active. Characterisation of peptide sequences based on the domain's secondary structural regions showed helix-3 to be active (~4% of the full domain's activity), and mutation of its sole positively charged residue resulted in loss of activity and disordering of structure. Also, the peptides' respective circular dichroism spectra suggested that native folding within the full domain is dependent on surrounding structure. Overall, the present study reveals that the aspartic protease saposin-like domain active structure is an open saposin fold dimer whose formation is pH-dependent, and that a bilayer-active motif shared among non-saposin membrane-active proteins including certain plant defence proteins is nested within an overall structure essential for native functionality. PMID- 29208979 TI - Induction of antimicrobial peptides secretion by IL-1beta enhances human amniotic membrane for regenerative medicine. AB - Due to antibacterial characteristic, amnion has been frequently used in different clinical situations. Developing an in vitro method to augment endogenous antibacterial ingredient of amniotic epithelial and mesenchymal stem cells is desirable for a higher efficacy of this promising biomaterial. In this study, epithelial or mesenchymal side dependent effect of amniotic membrane (AM) on antibacterial activity against some laboratory and clinical isolated strains was investigated by modified disk diffusion method and colony count assay. The effect of exposure to IL-1beta in production and release of antibacterial ingredients was investigated by ELISA assay. The results showed that there is no significant difference between epithelial and mesenchymal sides of amnion in inhibition of bacterial growth. Although the results of disk diffusion showed that the AM inhibitory effect depends on bacterial genus and strain, colony count assay showed that the extract of AM inhibits all investigated bacterial strains. The exposure of AM to IL-1beta leads to a higher level of antibacterial peptides secretion including elafin, HBD-2, HBD-3 and cathelicidic LL-37. Based on these results, amniotic cells possess antibacterial activity which can be augmented by inflammatory signal inducers; a process which make amnion and its epithelial and mesenchymal stem cells more suitable for tissue engineering and regenerative medicine. PMID- 29208981 TI - Influence of Spatial and Chromatic Noise on Luminance Discrimination. AB - Pseudoisochromatic figures are designed to base discrimination of a chromatic target from a background solely on the chromatic differences. This is accomplished by the introduction of luminance and spatial noise thereby eliminating these two dimensions as cues. The inverse rationale could also be applied to luminance discrimination, if spatial and chromatic noise are used to mask those cues. In this current study estimate of luminance contrast thresholds were conducted using a novel stimulus, based on the use of chromatic and spatial noise to mask the use of these cues in a luminance discrimination task. This was accomplished by presenting stimuli composed of a mosaic of circles colored randomly. A Landolt-C target differed from the background only by the luminance. The luminance contrast thresholds were estimated for different chromatic noise saturation conditions and compared to luminance contrast thresholds estimated using the same target in a non-mosaic stimulus. Moreover, the influence of the chromatic content in the noise on the luminance contrast threshold was also investigated. Luminance contrast threshold was dependent on the chromaticity noise strength. It was 10-fold higher than thresholds estimated from non-mosaic stimulus, but they were independent of colour space location in which the noise was modulated. The present study introduces a new method to investigate luminance vision intended for both basic science and clinical applications. PMID- 29208980 TI - Long-term drug modification to the surface of mesenchymal stem cells by the avidin-biotin complex method. AB - Mesenchymal stem cells (MSCs) have various functions, making a significant contribution to tissue repair. On the other hand, the viability and function of MSCs are not lasting after an in vivo transplant, and the therapeutic effects of MSCs are limited. Although various chemical modification methods have been applied to MSCs to improve their viability and function, most of conventional drug modification methods are short-term and unstable and cause cytotoxicity. In this study, we developed a method for long-term drug modification to C3H10T1/2 cells, murine mesenchymal stem cells, without any damage, using the avidin-biotin complex method (ABC method). The modification of NanoLuc luciferase (Nluc), a reporter protein, to C3H10T1/2 cells by the ABC method lasted for at least 14 days in vitro without major effects on the cellular characteristics (cell viability, cell proliferation, migration ability, and differentiation ability). Moreover, in vivo, the surface Nluc modification to C3H10T1/2 cells by the ABC method lasted for at least 7 days. Therefore, these results indicate that the ABC method may be useful for long-term surface modification of drugs and for effective MSC-based therapy. PMID- 29208982 TI - Peretinoin, an acyclic retinoid, inhibits hepatocarcinogenesis by suppressing sphingosine kinase 1 expression in vitro and in vivo. AB - Sphingosine-1-phospate is a potent bioactive lipid metabolite that regulates cancer progression. Because sphingosine kinase 1 and sphingosine kinase 2 (SPHK 1/2) are both essential for sphingosine-1-phospate production, they could be a therapeutic target in various cancers. Peretinoin, an acyclic retinoid, inhibits post-therapeutic recurrence of hepatocellular carcinoma via unclear mechanisms. In this study, we assessed effects of peretinoin on SPHK expression and liver cancer development in vitro and in vivo. We examined effects of peretinoin on expression, enzymatic and promoter activity of SPHK1 in a human hepatoma cell line, Huh-7. We also investigated effects of SPHK1 on hepatocarcinogenesis induced by diethylnitrosamine using SPHK1 knockout mice. Peretinoin treatment of Huh-7 cells reduced mRNA levels, protein expression and enzymatic activity of SPHK1. Peretinoin reduced SPHK1 promoter activity; this effect of peretinoin was blocked by overexpression of Sp1, a transcription factor. Deletion of all Sp1 binding sites within the SPHK1 promoter region abolished SPHK1 promoter activity, suggesting that peretinoin reduced mRNA levels of SPHK1 via Sp1. Additionally, diethylnitrosamine-induced hepatoma was fewer and less frequent in SPHK1 knockout compared to wild-type mice. Our data showed crucial roles of SPHK1 in hepatocarcinogenesis and suggests that peretinoin prevents hepatocarcinogenesis by suppressing mRNA levels of SPHK1. PMID- 29208983 TI - Comprehensive statistical inference of the clonal structure of cancer from multiple biopsies. AB - A comprehensive characterization of tumor genetic heterogeneity is critical for understanding how cancers evolve and escape treatment. Although many algorithms have been developed for capturing tumor heterogeneity, they are designed for analyzing either a single type of genomic aberration or individual biopsies. Here we present THEMIS (Tumor Heterogeneity Extensible Modeling via an Integrative System), which allows for the joint analysis of different types of genomic aberrations from multiple biopsies taken from the same patient, using a dynamic graphical model. Simulation experiments demonstrate higher accuracy of THEMIS over its ancestor, TITAN. The heterogeneity analysis results from THEMIS are validated with single cell DNA sequencing from a clinical tumor biopsy. When THEMIS is used to analyze tumor heterogeneity among multiple biopsies from the same patient, it helps to reveal the mutation accumulation history, track cancer progression, and identify the mutations related to treatment resistance. We implement our model via an extensible modeling platform, which makes our approach open, reproducible, and easy for others to extend. PMID- 29208984 TI - A nonlinear approach to identify pathological change of thyroid nodules based on statistical analysis of ultrasound RF signals. AB - In order to reassure the majority of patients with benign nodules from unnecessary needle biopsy, there is an increasing clinical requirement to identify benign and malignant thyroid nodules during ultrasound diagnosis. A nonlinear approach based on statistical analysis of ultrasound radio-frequency (RF) signals was developed for differential diagnosing the thyroid nodules to improve the diagnostic accuracy. Data from 44 patients with solitary thyroid nodules were collected, following with the ultrasound-guided fine needle aspiration (FNA) as the ground truth. The relative P-value (rP-value) was estimated to quantify the pathophysiologic changes by comparing the region of interest (ROI) with the no pathological change part in the thyroid gland using only one frame of raw RF data. The malignant nodules were distinguished from benign ones with high accuracy and high credibility (sensitivity = 100%, specificity = 80%). Suspicious nodules (rP-value < 0.5) could be picked out for FNA with no additional instruments. This method shows promising in differentiating malignant from benign thyroid nodules, subsequently avoiding unnecessary biopsies. PMID- 29208985 TI - Impact of remotely generated eddies on plume dispersion at abyssal mining sites in the Pacific. AB - Proposed harvesting of polymetallic nodules in the Central Tropical Pacific will generate plumes of suspended sediment which are anticipated to be ecologically harmful. While the deep sea is low in energy, it also can be highly turbulent, since the vertical density gradient which suppresses turbulence is weak. The ability to predict the impact of deep plumes is limited by scarcity of in-situ observations. Our observations show that the low-energy environment more than four kilometres below the surface ultimately becomes an order of magnitude more energetic for periods of weeks in response to the passage of mesoscale eddies. The source of these eddies is remote in time and space, here identified as the Central American Gap Winds. Abyssal current variability is controlled by comparable contributions from tides, surface winds and passing eddies. During eddy-induced elevated flow periods mining-related plumes, potentially supplemented by natural sediment resuspension, are expected to spread and disperse more widely and rapidly. Predictions are given of the timing, location and scales of impact. PMID- 29208986 TI - Immune tuning scaffold for the local induction of a pro-regenerative environment. AB - In mammals, tissue regeneration is accomplished through a well-regulated, complex cascade of events. The disruption of the cellular and molecular processes involved in tissue healing might lead to scar formation. Most tissue engineering approaches have tried to improve the regenerative outcome following an injury, through the combination of biocompatible materials, stem cells and bioactive factors. However, implanted materials can cause further healing impairments due to the persistent inflammatory stimuli that trigger the onset of chronic inflammation. Here, it is described at the molecular, cellular and tissue level, the body response to a functionalized biomimetic collagen scaffold. The grafting of chondroitin sulfate on the surface of the scaffold is able to induce a pro regenerative environment at the site of a subcutaneous implant. The early in situ recruitment, and sustained local retention of anti-inflammatory macrophages significantly reduced the pro-inflammatory environment and triggered a different healing cascade, ultimately leading to collagen fibril re-organization, blood vessel formation, and scaffold integration with the surrounding native tissue. PMID- 29208988 TI - Similarity-based Regularized Latent Feature Model for Link Prediction in Bipartite Networks. AB - Link prediction is an attractive research topic in the field of data mining and has significant applications in improving performance of recommendation system and exploring evolving mechanisms of the complex networks. A variety of complex systems in real world should be abstractly represented as bipartite networks, in which there are two types of nodes and no links connect nodes of the same type. In this paper, we propose a framework for link prediction in bipartite networks by combining the similarity based structure and the latent feature model from a new perspective. The framework is called Similarity Regularized Nonnegative Matrix Factorization (SRNMF), which explicitly takes the local characteristics into consideration and encodes the geometrical information of the networks by constructing a similarity based matrix. We also develop an iterative scheme to solve the objective function based on gradient descent. Extensive experiments on a variety of real world bipartite networks show that the proposed framework of link prediction has a more competitive, preferable and stable performance in comparison with the state-of-art methods. PMID- 29208987 TI - Genome-wide DNA methylation changes associated with olfactory learning and memory in Apis mellifera. AB - The honeybee is a model organism for studying learning and memory formation and its underlying molecular mechanisms. While DNA methylation is well studied in caste differentiation, its role in learning and memory is not clear in honeybees. Here, we analyzed genome-wide DNA methylation changes during olfactory learning and memory process in A. mellifera using whole genome bisulfite sequencing (WGBS) method. A total of 853 significantly differentially methylated regions (DMRs) and 963 differentially methylated genes (DMGs) were identified. We discovered that 440 DMRs of 648 genes were hypermethylated and 274 DMRs of 336 genes were hypomethylated in trained group compared to untrained group. Of these DMGs, many are critical genes involved in learning and memory, such as Creb, GABA B R and Ip3k, indicating extensive involvement of DNA methylation in honeybee olfactory learning and memory process. Furthermore, key enzymes for histone methylation, RNA editing and miRNA processing also showed methylation changes during this process, implying that DNA methylation can affect learning and memory of honeybees by regulating other epigenetic modification processes. PMID- 29208989 TI - Germination Biology of Two Invasive Physalis Species and Implications for Their Management in Arid and Semi-arid Regions. AB - Two Solanaceae invasive plant species (Physalis angulata L. and P. philadelphica Lam. var. immaculata Waterfall) infest several arable crops and natural habitats in Southeastern Anatolia region, Turkey. However, almost no information is available regarding germination biology of both species. We performed several experiments to infer the effects of environmental factors on seed germination and seedling emergence of different populations of both species collected from various locations with different elevations and habitat characteristics. Seed dormancy level of all populations was decreased with increasing age of the seeds. Seed dormancy of freshly harvested and aged seeds of all populations was effectively released by running tap water. Germination was slightly affected by photoperiods, which suggests that seeds are slightly photoblastic. All seeds germinated under wide range of temperature (15-40 degrees C), pH (4-10), osmotic potential (0 to -1.2 MPa) and salinity (0-400 mM sodium chloride) levels. The germination ability of both plant species under wide range of environmental conditions suggests further invasion potential towards non-infested areas in the country. Increasing seed burial depth significantly reduced the seedling emergence, and seeds buried below 4 cm of soil surface were unable to emerge. In arable lands, soil inversion to maximum depth of emergence (i.e., 6 cm) followed by conservational tillage could be utilized as a viable management option. PMID- 29208990 TI - Comparative transcriptomic analysis of Tibetan Gynaephora to explore the genetic basis of insect adaptation to divergent altitude environments. AB - Adaptation of insects to different altitudes remain largely unknown, especially those endemic to the Tibetan Plateau (TP). Here, we generated the transcriptomes of Gynaephora menyuanensis and G. alpherakii, inhabiting different high altitudes on the TP, and used these and the previously available transcriptomic and genomic sequences from low-altitude insects to explore potential genetic basis for divergent high-altitude adaptation in Gynaephora. An analysis of 5,869 orthologous genes among Gynaephora and other three low-altitude insects uncovered that fast-evolving genes and positively selected genes (PSGs) in the two Gynaephora species were enriched in energy metabolism and hypoxia response categories (e.g. mitochondrion, oxidation-reduction process, and response to oxidative stress). Particularly, mTOR signaling pathway involving hypoxia was enriched by PSGs, indicating this well-known pathway in mammal hypoxia adaptation may be an important signaling system in Gynaephora. Furthermore, some PSGs were associated with response to hypoxia (e.g. cytochrome proteins), cold (e.g. dehydrogenase) and DNA repair (e.g. DNA repair proteins). Interestingly, several insect-specific genes that were associated with exoskeleton and cuticle development (e.g. chitinase and ecdysteroids) had experienced positive selection, suggesting the specific adaptive mechanisms in insects. This study is favourable for understanding the adaptive evolution of Gynaephora and even TP insects to divergent altitudes. PMID- 29208991 TI - High-definition tDCS of the temporo-parietal cortex enhances access to newly learned words. AB - Learning associations between words and their referents is crucial for language learning in the developing and adult brain and for language re-learning after neurological injury. Non-invasive transcranial direct current stimulation (tDCS) to the posterior temporo-parietal cortex has been suggested to enhance this process. However, previous studies employed standard tDCS set-ups that induce diffuse current flow in the brain, preventing the attribution of stimulation effects to the target region. This study employed high-definition tDCS (HD-tDCS) that allowed the current flow to be constrained to the temporo-parietal cortex, to clarify its role in novel word learning. In a sham-controlled, double-blind, between-subjects design, 50 healthy adults learned associations between legal non words and unfamiliar object pictures. Participants were stratified by baseline learning ability on a short version of the learning paradigm and pairwise randomized to active (20 mins; N = 25) or sham (40 seconds; N = 25) HD-tDCS. Accuracy was comparable during the baseline and experimental phases in both HD tDCS conditions. However, active HD-tDCS resulted in faster retrieval of correct word-picture pairs. Our findings corroborate the critical role of the temporo parietal cortex in novel word learning, which has implications for current theories of language acquisition. PMID- 29208992 TI - Author Correction: Intermediate degrees of synergistic pleiotropy drive adaptive evolution in ecological time. AB - In the version of this Article previously published, there was a typographical error ('4' instead of '2') in the equations relating F ST and effective population size (N e) in the Methods section 'Genome-wide scan for selection based on temporal differentiation'. The correct equations are given below.[Formula: see text] [Formula: see text]. PMID- 29208993 TI - Author Correction: The social and cultural roots of whale and dolphin brains. AB - In Table 1 of the Supplementary Information, the data presented in the column 'Corrected social repertoire' were incorrect. This error does not affect the analyses, statistics or conclusions of the study, which employed the correct values. The data have now been corrected in the Supplementary file. PMID- 29208994 TI - Author Correction: The global distribution of tetrapods reveals a need for targeted reptile conservation. PMID- 29208995 TI - C-Phycocyanin protects against mitochondrial dysfunction and oxidative stress in parthenogenetic porcine embryos. AB - C-Phycocyanin (CP) is a biliprotein enriched in blue-green algae that is known to possess antioxidant, anti-apoptosis, anti-inflammatory, and radical-scavenging properties in somatic cells. However, the protective effect of CP on porcine embryo developmental competence in vitro remains unclear. In the present study, we investigated the effect of CP on the development of early porcine embryos as well as its underlying mechanisms. Different concentrations of CP (2, 5, 8, 10 MUg/mL) were added to porcine zygote medium 5 during in vitro culture. The results showed that 5 MUg/mL CP significantly increased blastocyst formation and hatching rate. Blastocyst formation and quality were significantly increased in the 50 MUM H2O2 treatment group following 5 MUg/mL CP addition. CP prevented the H2O2-induced compromise of mitochondrial membrane potential, release of cytochrome c from the mitochondria, and reactive oxygen species generation. Furthermore, apoptosis, DNA damage level, and autophagy in the blastocysts were attenuated by supplementation of CP in the H2O2-induced oxidative injury group compared to in controls. These results suggest that CP has beneficial effects on the development of porcine parthenotes by attenuating mitochondrial dysfunction and oxidative stress. PMID- 29208996 TI - Relativistic inverse Compton scattering of photons from the early universe. AB - Electrons at relativistic speeds, diffusing in magnetic fields, cause copious emission at radio frequencies in both clusters of galaxies and radio galaxies through non-thermal radiation emission called synchrotron. However, the total power radiated through this mechanism is ill constrained, as the lower limit of the electron energy distribution, or low-energy cutoffs, for radio emission in galaxy clusters and radio galaxies, have not yet been determined. This lower limit, parametrized by the lower limit of the electron momentum - pmin - is critical for estimating the total energetics of non-thermal electrons produced by cluster mergers or injected by radio galaxy jets, which impacts the formation of large-scale structure in the universe, as well as the evolution of local structures inside galaxy clusters. The total pressure due to the relativistic, non-thermal population of electrons can be measured using the Sunyaev-Zel'dovich Effect, and is critically dependent on pmin, making the measurement of this non thermal pressure a promising technique to estimate the electron low-energy cutoff. We present here the first unambiguous detection of this Sunyaev Zel'dovich Effect for a non-thermal population of electrons in a radio galaxy jet/lobe, located at a significant distance away from the center of the Bullet cluster of galaxies. PMID- 29208997 TI - Experimental maturation of Archaea encrusted by Fe-phosphates. AB - Burial is generally detrimental to the preservation of biological signals. It has often been assumed that (bio)mineral-encrusted microorganisms are more resistant to burial-induced degradation than non-encrusted ones over geological timescales. For the present study, we submitted Sulfolobus acidocaldarius experimentally encrusted by amorphous Fe phosphates to constrained temperature conditions (150 degrees C) under pressure for 1 to 5 days, thereby simulating burial-induced processes. We document the molecular and mineralogical evolution of these assemblages down to the sub-micrometer scale using X-ray diffraction, scanning and transmission electron microscopies and synchrotron-based X-ray absorption near edge structure spectroscopy at the carbon K-edge. The present results demonstrate that the presence of Fe-phosphates enhances the chemical degradation of microbial organic matter. While Fe-phosphates remained amorphous in abiotic controls, crystalline lipscombite (FeIIxFeIII3-x(PO4)2(OH)3-x) entrapping organic matter formed in the presence of S. acidocaldarius cells. Lipscombite textures (framboidal vs. bipyramidal) appeared only controlled by the initial level of encrustation of the cells, suggesting that the initial organic matter to mineral ratio influences the competition between nucleation and crystal growth. Altogether these results highlight the important interplay between minerals and organic matter during fossilization, which should be taken into account when interpreting the fossil record. PMID- 29208998 TI - High Resolution AMS Dates from Shubayqa 1, northeast Jordan Reveal Complex Origins of Late Epipalaeolithic Natufian in the Levant. AB - The Late Epipalaeolithic Natufian (~14,600 - 11,500 cal BP) is a key period in the prehistory of southwest Asia. Often described as a complex hunting and gathering society with increased sedentism, intensive plant exploitation and associated with an increase in artistic and symbolic material culture, it is positioned between the earlier Upper- and Epi-Palaeolithic and the early Neolithic, when plant cultivation and subsequently animal domestication began. The Natufian has thus often been seen as a necessary pre-adaptation for the emergence of Neolithic economies in southwest Asia. Previous work has pointed to the Mediterranean woodland zone of the southern Levant as the 'core zone' of the Early Natufian. Here we present a new sequence of 27 AMS radiocarbon dates from the Natufian site Shubayqa 1 in northeast Jordan. The results suggest that the site was occupied intermittently between ~14,600 - 12,000 cal BP. The dates indicate the Natufian emerged just as early in eastern Jordan as it did in the Mediterranean woodland zone. This suggests that the origins and development of the Natufian were not tied to the ecological conditions of the Mediterranean woodlands, and that the evolution of this hunting and gathering society was more complex and heterogeneous than previously thought. PMID- 29208999 TI - Associations between childhood body size and seventeen adverse outcomes: analysis of 65,057 European women. AB - Large childhood body size has been consistently shown to be associated with decreased breast cancer risk. However, it is important to consider the effects of a large childhood body size on other adult diseases. It is not clear if the associations between childhood body size and adult diseases will persist if they later attain healthy weight. The associations between body size at age 7 and 17 adverse outcomes in adulthood were examined using Cox models in a Swedish study of 65,057 women. Large body size at age 7, when compared to small body size, was associated with decreased risk for breast cancer (HR [95% CI]: 0.81 [0.70-0.93]) and increased risks for anorexia (2.13 [1.63-2.77]) and bulimia (1.91 [1.35 2.70]). Neither adjusting for adult BMI nor restricting the dataset to lean adults (BMI < 25 kg/m2) attenuated the associations. While large body size at age 7 by itself was positively associated with increased risks of diabetes (1.34 [1.16-1.55]), PCOS (1.69 [1.13-2.51]) and hypertension (before age 60), the associations were no longer significant after controlling for adult BMI. No clear associations were found with the remaining adverse outcomes (cervical, uterine, melanoma, colon cancer, depression, ovarian cyst, stroke, hyperlipidemia, heart failure, myocardial infarction, and angina pectoris). PMID- 29209001 TI - Remote tactile sensing system integrated with magnetic synapse. AB - Mechanoreceptors in a fingertip convert external tactile stimulations into electrical signals, which are transmitted by the nervous system through synaptic transmitters and then perceived by the brain with high accuracy and reliability. Inspired by the human synapse system, this paper reports a robust tactile sensing system consisting of a remote touch tip and a magnetic synapse. External pressure on the remote touch tip is transferred in the form of air pressure to the magnetic synapse, where its variation is converted into electrical signals. The developed system has high sensitivity and a wide dynamic range. The remote sensing system demonstrated tactile capabilities over wide pressure range with a minimum detectable pressure of 6 Pa. In addition, it could measure tactile stimulation up to 1,000 Hz without distortion and hysteresis, owing to the separation of the touching and sensing parts. The excellent performance of the system in terms of surface texture discrimination, heartbeat measurement from the human wrist, and satisfactory detection quality in water indicates that it has considerable potential for various mechanosensory applications in different environments. PMID- 29209000 TI - Deconvoluting the Photonic and Electronic Response of 2D Materials: The Case of MoS2. AB - Evaluating and tuning the properties of two-dimensional (2D) materials is a major focus of advancing 2D science and technology. While many claim that the photonic properties of a 2D layer provide evidence that the material is "high quality", this may not be true for electronic performance. In this work, we deconvolute the photonic and electronic response of synthetic monolayer molybdenum disulfide. We demonstrate that enhanced photoluminescence can be robustly engineered via the proper choice of substrate, where growth of MoS2 on r-plane sapphire can yield >100x enhancement in PL and carrier lifetime due to increased molybdenum-oxygen bonding compared to that of traditionally grown MoS2 on c-plane sapphire. These dramatic enhancements in optical properties are similar to those of super-acid treated MoS2, and suggest that the electronic properties of the MoS2 are also superior. However, a direct comparison of the charge transport properties indicates that the enhanced PL due to increased Mo-O bonding leads to p-type compensation doping, and is accompanied by a 2x degradation in transport properties compared to MoS2 grown on c-plane sapphire. This work provides a foundation for understanding the link between photonic and electronic performance of 2D semiconducting layers, and demonstrates that they are not always correlated. PMID- 29209002 TI - The orientation and stability of the GPCR-Arrestin complex in a lipid bilayer. AB - G protein-coupled receptors (GPCRs) constitute a large family of membrane proteins that plays a key role in transmembrane signal transduction and draw wide attention since it was discovered. Arrestin is a small family of proteins which can bind to GPCRs, block G protein interactions and redirect signaling to G protein-independent pathways. The detailed mechanism of how arrestin interacts with GPCR remains elusive. Here, we conducted molecular dynamics simulations with coarse-grained (CG) and all-atom (AA) models to study the complex structure formed by arrestin and rhodopsin, a prototypical GPCR, in a POPC bilayer. Our results indicate that the formation of the complex has a significant impact on arrestin which is tightly anchored onto the bilayer surface, while has a minor effect on the orientation of rhodopsin in the lipid bilayer. The formation of the complex induces an internal change of conformation and flexibility in both rhodopsin and arrestin, mainly at the binding interface. Further investigation on the interaction interface identified the hydrogen bond network, especially the long-lived hydrogen bonds, and the key residues at the contact interface, which are responsible for stabilizing the complex. These results help us to better understand how rhodopsin interacts with arrestin on membranes, and thereby shed lights on arrestin-mediated signal transduction through GPCRs. PMID- 29209004 TI - DNA nanotechnology: On-command molecular Trojans. PMID- 29209005 TI - Moore's deviation. PMID- 29209006 TI - Levitated nanoparticles: Nanoparticles jumping high. PMID- 29209007 TI - Reproducibility, sharing and progress in nanomaterial databases. PMID- 29209003 TI - Prostate cancer diagnosis and characterization with mass spectrometry imaging. AB - BACKGROUND: Prostate cancer (PCa), the most common cancer and second leading cause of cancer death in American men, presents the clinical challenge of distinguishing between indolent and aggressive tumors for proper treatment. PCa presents significant alterations in metabolic pathways that can potentially be measured using techniques like mass spectrometry (MS) or MS imaging (MSI) and used to characterize PCa aggressiveness. MS quantifies metabolomic, proteomic, and lipidomic profiles of biological systems that can be further visualized for their spatial distributions through MSI. METHODS: PubMed was queried for all publications relating to MS and MSI in human PCa from April 2007 to April 2017. With the goal of reviewing the utility of MSI in diagnosis and prognostication of human PCa, MSI articles that reported investigations of PCa-specific metabolites or metabolites indicating PCa aggressiveness were selected for inclusion. Articles were included that covered MS and MSI principles, limitations, and applications in PCa. RESULTS: We identified nine key studies on MSI in intact human prostate tissue specimens that determined metabolites which could either differentiate between benign and malignant prostate tissue or indicate PCa aggressiveness. These MSI-detected biomarkers show promise in reliably identifying PCa and determining disease aggressiveness. CONCLUSIONS: MSI represents an innovative technique with the ability to interrogate cancer biomarkers in relation to tissue pathologies and investigate tumor aggressiveness. We propose MSI as a powerful adjuvant histopathology imaging tool for prostate tissue evaluations, where clinical translation of this ex vivo technique could make possible the use of MSI for personalized medicine in diagnosis and prognosis of PCa. Moreover, the knowledge provided from this technique can majorly contribute to the understanding of molecular pathogenesis of PCa and other malignant diseases. PMID- 29209008 TI - How to build a nanotech company. PMID- 29209009 TI - Reply to 'On phonons and water flow enhancement in carbon nanotubes'. PMID- 29209010 TI - On phonons and water flow enhancement in carbon nanotubes. PMID- 29209013 TI - DNA nanotechnology: DNA robots that sort cargoes. PMID- 29209011 TI - The shortfall of risk assessment for decision-making. PMID- 29209014 TI - A MoTe2-based light-emitting diode and photodetector for silicon photonic integrated circuits. AB - One of the current challenges in photonics is developing high-speed, power efficient, chip-integrated optical communications devices to address the interconnects bottleneck in high-speed computing systems. Silicon photonics has emerged as a leading architecture, in part because of the promise that many components, such as waveguides, couplers, interferometers and modulators, could be directly integrated on silicon-based processors. However, light sources and photodetectors present ongoing challenges. Common approaches for light sources include one or few off-chip or wafer-bonded lasers based on III-V materials, but recent system architecture studies show advantages for the use of many directly modulated light sources positioned at the transmitter location. The most advanced photodetectors in the silicon photonic process are based on germanium, but this requires additional germanium growth, which increases the system cost. The emerging two-dimensional transition-metal dichalcogenides (TMDs) offer a path for optical interconnect components that can be integrated with silicon photonics and complementary metal-oxide-semiconductors (CMOS) processing by back-end-of-the line steps. Here, we demonstrate a silicon waveguide-integrated light source and photodetector based on a p-n junction of bilayer MoTe2, a TMD semiconductor with an infrared bandgap. This state-of-the-art fabrication technology provides new opportunities for integrated optoelectronic systems. PMID- 29209015 TI - Nanomaterials: 2D materials for silicon photonics. PMID- 29209016 TI - Direct measurement of Kramers turnover with a levitated nanoparticle. AB - Understanding the thermally activated escape from a metastable state is at the heart of important phenomena such as the folding dynamics of proteins, the kinetics of chemical reactions or the stability of mechanical systems. In 1940, Kramers calculated escape rates both in the high damping and low damping regimes, and suggested that the rate must have a maximum for intermediate damping. This phenomenon, today known as the Kramers turnover, has triggered important theoretical and numerical studies. However, as yet, there is no direct and quantitative experimental verification of this turnover. Using a nanoparticle trapped in a bistable optical potential, we experimentally measure the nanoparticle's transition rates for variable damping and directly resolve the Kramers turnover. Our measurements are in agreement with an analytical model that is free of adjustable parameters. The levitated nanoparticle presented here is a versatile experimental platform for studying and simulating a wide range of stochastic processes and testing theoretical models and predictions. PMID- 29209017 TI - New Hybrid Hydrazinyl Thiazole Substituted Chromones: As Potential alpha-Amylase Inhibitors and Radical (DPPH & ABTS) Scavengers. AB - Current research is based on the identification of novel inhibitors of alpha amylase enzyme. For that purpose, new hybrid molecules of hydrazinyl thiazole substituted chromones 5-27 were synthesized by multi-step reaction and fully characterized by various spectroscopic techniques such as EI-MS, HREI-MS, 1H-NMR and 13C-NMR. Stereochemistry of the iminic bond was confirmed by NOESY analysis of a representative molecule. All compounds 5-27 along with their intervening intermediates 1-4, were screened for in vitro alpha-amylase inhibitory, DPPH and ABTS radical scavenging activities. All compounds showed good inhibition potential in the range of IC50 = 2.186-3.405 uM as compared to standard acarbose having IC50 value of 1.9 +/- 0.07 uM. It is worth mentioning that compounds were also demonstrated good DPPH (IC50 = 0.09-2.233 uM) and ABTS (IC50 = 0.584-3.738 uM) radical scavenging activities as compared to standard ascorbic acid having IC50 = 0.33 +/- 0.18 uM for DPPH and IC50 = 0.53 +/- 0.3 uM for ABTS radical scavenging activities. In addition to that cytotoxicity of the compounds were checked on NIH-3T3 mouse fibroblast cell line and found to be non-toxic. In silico studies were performed to rationalize the binding mode of compounds (ligands) with the active site of alpha-amylase enzyme. PMID- 29209018 TI - Novel Mechanism of the Pericyte-Myofibroblast Transition in Renal Interstitial Fibrosis: Core Fucosylation Regulation. AB - Pericytes have been identified as a major source of myofibroblasts in renal interstitial fibrosis (RIF). The overactivation of several signaling pathways, mainly the TGF-beta and PDGF pathways, initiates the pericyte-myofibroblast transition during RIF. Key receptors in these two pathways have been shown to be modified by fucosyltransferase 8 (FUT8), the enzyme that catalyzes core fucosylation. This study postulated that core fucosylation might play an important role in regulating the pericyte transition in RIF. The data showed that core fucosylation increased with the extent of RIF in patients with IgA nephropathy (IgAN). Similarly, core fucosylation of pericytes increased in both a unilateral ureteral occlusion (UUO) mouse model and an in vitro model of pericyte transition. Inhibition of core fucosylation by adenoviral-mediated FUT8 shRNA in vivo and FUT8 siRNA in vitro significantly reduced pericyte transition and RIF. In addition, the activation of both the TGF-beta/Smad and PDGF/ERK pathways was blocked by core fucosylation inhibition. In conclusion, core fucosylation may regulate the pericyte transition in RIF by modifying both the TGF-beta/Smad and PDGF/ERK pathways. Glycosylation might be a novel "hub" target to prevent RIF. PMID- 29209019 TI - Correlations between gut microbiota community structures of Tibetans and geography. AB - Microbial communities of human gut directly influence health and bear adaptive potential to different geography environment and lifestyles. However, knowledge about the influences of altitude and geography on the gut microbiota of Tibetans is currently limited. In this study, fecal microbiota from 208 Tibetans across six different locations were analyzed by MiSeq sequencing; these locations included Gannan, Gangcha, Tianzhu, Hongyuan, Lhasa and Nagqu, with altitudes above sea level ranging from 2800 m to 4500 m across the Tibetan plateau. Significant differences were observed in microbial diversity and richness in different locations. At the phylum level, gut populations of Tibetans comprised Bacteroidetes (60.00%), Firmicutes (29.04%), Proteobacteria (5.40%), and Actinobacteria (3.85%) and were marked by a low ratio (0.48) of Firmicutes to Bacteroidetes. Analysis based on operational taxonomic unit level revealed that core microbiotas included Prevotella, Faecalibacterium, and Blautia, whereas Prevotella predominated all locations, except Gangcha. Four community state types were detected in all samples, and they mainly belong to Prevotella, Bacteroides, and Ruminococcaceae. Principal component analysis and related correspondence analysis results revealed that bacterial profiles in Tibetan guts varied significantly with increasing altitude, BMI, and age, and facultative anaerobes were rich in Tibetan guts. Gut microbiota may play important roles in regulating high-altitude and geographical adaptations. PMID- 29209021 TI - Resolving the spin splitting in the conduction band of monolayer MoS2. AB - Time-reversal symmetry and broken spin degeneracy enable the exploration of spin and valley quantum degrees of freedom in monolayer transition-metal dichalcogenides. While the strength of the large spin splitting in the valance band of these materials is now well-known, probing the 10-100 times smaller splitting in the conduction band poses significant challenges. Since it is easier to achieve n-type conduction in most of them, resolving the energy levels in the conduction band is crucial for the prospect of developing new spintronic and valleytronic devices. Here, we study quantum transport in high mobility monolayer MoS2 devices where we observe well-developed quantized conductance in multiples of e 2/h in zero magnetic field. We extract a sub-band spacing energy of 0.8 meV. The application of a magnetic field gradually increases the interband spacing due to the valley-Zeeman effect. Here, we extract a g-factor of ~2.16 in the conduction band of monolayer MoS2. PMID- 29209022 TI - Microdroplet-based On-Demand Drawing of High Aspect-Ratio Elastomeric Micropillar and Its Contact Sensing Application. AB - High aspect-ratio elastomeric micropillars play important roles as the platform for microscale sensing and actuation. Many soft-lithographic techniques have been developed for their facile realization but most of the techniques are limited to build the micropillars only on totally flat, widely accessible substrate areas with the micropillar's structural characteristics completely predetermined, leaving little room for in situ control. Here we demonstrate a new technique which overcomes these limitations by directly drawing micropillars from pipette dispensed PDMS microdroplets using vacuum-chucked microspheres. The combined utilization of PDMS microdroplets and microspheres not only enables the realization of microsphere-tipped PDMS micropillars on non-flat, highly space constrained substrate areas at in situ controllable heights but also allows arraying of micropillars with dissimilar heights at a close proximity. To validate the new technique's utility and versatility, we realize PDMS micropillars on various unconventional substrate areas in various configurations. We also convert one of them, the optical fiber/micropillar hybrid, into a soft optical contact sensor. Both the fabrication technique and the resulting sensing scheme will be useful for future biomedical microsystems. PMID- 29209020 TI - A genotype-first approach identifies an intellectual disability-overweight syndrome caused by PHIP haploinsufficiency. AB - Genotype-first combined with reverse phenotyping has shown to be a powerful tool in human genetics, especially in the era of next generation sequencing. This combines the identification of individuals with mutations in the same gene and linking these to consistent (endo)phenotypes to establish disease causality. We have performed a MIP (molecular inversion probe)-based targeted re-sequencing study in 3,275 individuals with intellectual disability (ID) to facilitate a genotype-first approach for 24 genes previously implicated in ID.Combining our data with data from a publicly available database, we confirmed 11 of these 24 genes to be relevant for ID. Amongst these, PHIP was shown to have an enrichment of disruptive mutations in the individuals with ID (5 out of 3,275). Through international collaboration, we identified a total of 23 individuals with PHIP mutations and elucidated the associated phenotype. Remarkably, all 23 individuals had developmental delay/ID and the majority were overweight or obese. Other features comprised behavioral problems (hyperactivity, aggression, features of autism and/or mood disorder) and dysmorphisms (full eyebrows and/or synophrys, upturned nose, large ears and tapering fingers). Interestingly, PHIP encodes two protein-isoforms, PHIP/DCAF14 and NDRP, each involved in neurodevelopmental processes, including E3 ubiquitination and neuronal differentiation. Detailed genotype-phenotype analysis points towards haploinsufficiency of PHIP/DCAF14, and not NDRP, as the underlying cause of the phenotype.Thus, we demonstrated the use of large scale re-sequencing by MIPs, followed by reverse phenotyping, as a constructive approach to verify candidate disease genes and identify novel syndromes, highlighted by PHIP haploinsufficiency causing an ID-overweight syndrome. PMID- 29209023 TI - Motor cortical activity changes during neuroprosthetic-controlled object interaction. AB - Brain-computer interface (BCI) controlled prosthetic arms are being developed to restore function to people with upper-limb paralysis. This work provides an opportunity to analyze human cortical activity during complex tasks. Previously we observed that BCI control became more difficult during interactions with objects, although we did not quantify the neural origins of this phenomena. Here, we investigated how motor cortical activity changed in the presence of an object independently of the kinematics that were being generated using intracortical recordings from two people with tetraplegia. After identifying a population-wide increase in neural firing rates that corresponded with the hand being near an object, we developed an online scaling feature in the BCI system that operated without knowledge of the task. Online scaling increased the ability of two subjects to control the robotic arm when reaching to grasp and transport objects. This work suggests that neural representations of the environment, in this case the presence of an object, are strongly and consistently represented in motor cortex but can be accounted for to improve BCI performance. PMID- 29209024 TI - Future loss of Arctic sea-ice cover could drive a substantial decrease in California's rainfall. AB - From 2012 to 2016, California experienced one of the worst droughts since the start of observational records. As in previous dry periods, precipitation inducing winter storms were steered away from California by a persistent atmospheric ridging system in the North Pacific. Here we identify a new link between Arctic sea-ice loss and the North Pacific geopotential ridge development. In a two-step teleconnection, sea-ice changes lead to reorganization of tropical convection that in turn triggers an anticyclonic response over the North Pacific, resulting in significant drying over California. These findings suggest that the ability of climate models to accurately estimate future precipitation changes over California is also linked to the fidelity with which future sea-ice changes are simulated. We conclude that sea-ice loss of the magnitude expected in the next decades could substantially impact California's precipitation, thus highlighting another mechanism by which human-caused climate change could exacerbate future California droughts. PMID- 29209025 TI - Oblique corpectomy in the cervical spine. AB - STUDY DESIGN: A narrative review. OBJECTIVES: A literature review of studies reporting on the application of oblique corpectomy (OC) in various pathologies of the cervical spine. SETTING: UK. METHODS: A search was carried out using the PubMed and Google Scholar up to 18 March 2017. Finally, 26 studies met the inclusion criteria. RESULTS: A multilevel OC shows good clinical outcomes in various pathologies in the cervical spine. The clinical improvement in cervical spondylotic myelopathy (CSM) and ossification of the posterior longitudinal ligament was found to be over 70%. OC allows wide anterior decompression of the spinal cord and complete unilateral nerve root decompression. The approach carries a risk of Horner's syndrome, vertebral artery and accessory nerve injury. OC does not compromise spine stability and osteoarthrodesis with bone grafting is not necessary. Spinal motions are preserved and appear close to normal. OC can be applied in patients with a low fusion rate such as the elderly, diabetics, and heavy smokers. Furthermore, OC was found to be an optimal approach for exta intradural tumors of the cervical spine. CONCLUSIONS: OC seems to be a valid alternative for the management of multisegmental CSM in selected cases. It should not be considered a first-line treatment strategy due to the relatively high morbidity. There are no studies comparing OC without fusion to other treatment options in CSM. Therefore, rigorous prospective studies using validated outcome measures with long-term follow-up are required. PMID- 29209026 TI - QSKL protects against myocardial apoptosis on heart failure via PI3K/Akt-p53 signaling pathway. AB - The ancient traditional Chinese medicine Qishenkeli (QSKL) is widely used in the treatment of heart failure (HF) in China. Previous studies have shown that QSKL has definite effects on HF. The purpose of this study is to identify the regulation of QSKL on apoptosis and clarify the underlying mechanism. An apoptosis model of H9C2 cells was induced by oxygen-glucose deprivation/recovery (OGD/R). An animal model of HF was induced by ligation of left anterior descending (LAD) coronary artery in rat. We found that QSKL reduced intracellular ROS generation, increased mitochondrial membrane potential and protected H9C2 cells against OGD/R-induced apoptosis. In vivo results showed that QSKL administration could improve cardiac functions, decrease fibrotic area, infarct size and apoptotic rate in HF model. QSKL regulated the expressions of key apoptotic molecules, including increasing Bcl-2/Bax ratio, reducing the expressions of P53, Bax and Cleaved-caspase-3. Interestingly, QSKL also regulated the phosphorylated expressions of PI3K and Akt without significantly affecting PTEN. Taken together, the protective and anti-apoptotic effects of QSKL could be mediated partly through modulating the PI3K/Akt-P53 apoptotic pathway. PMID- 29209027 TI - Shorter telomeres precede population extinction in wild lizards. AB - Identifying the early warning signals of catastrophic extinctions has recently become a central focus for ecologists, but species' functional responses to environmental changes remain an untapped source for the sharpening of such warning signals. Telomere length (TL) analysis represents a promising molecular tool with which to raise the alarm regarding early population decline, since telomere attrition is associated with aging processes and accelerates after a recurrent exposure to environmental stressors. In the southern margin of their range, populations of the common lizard (Zootoca vivipara) recently became extinct at lowest elevations due to changes in climate conditions. However, the proximal signals involved in these demographic declines are still unknown. Here, we sampled 100 yearling lizards from 10 natural populations (n = 10 per population) along an extinction risk gradient. Relative lizard abundance dramatically dropped over 12 years in low-altitude populations characterized by warmer ambient temperatures and higher body growth of lizards early in life. A non-linear relationship was found between TL and population extinction risk, with shorter telomeres in populations facing high risk of extinction when compared to non-threatened ones. Our results identify TL as a promising biomarker and imply that population extinctions might be preceded by a loop of physiological aging. PMID- 29209028 TI - Suitability of two distinct approaches for the high-throughput study of the post embryonic effects of embryo-lethal mutations in Arabidopsis. AB - Several hundred genes are required for embryonic and gametophytic development in the model plant Arabidopsis thaliana, as inferred from the lethality of their mutations. Despite many of these genes are expressed throughout the plant life cycle, the corresponding mutants arrest at early stages, preventing the study of their post-embryonic functions by conventional methods. Clonal analysis represents an effective solution to this problem by uncovering the effects of embryo-lethal mutations in sectors of mutant cells within an otherwise normal adult plant. In this pilot study, we have evaluated the suitability of two sector induction methods for the large-scale study of the post-embryonic effects of embryo-lethal (emb) mutations in Arabidopsis. In line with the interests of our laboratory, we selected 24 emb mutations that damage genes that are expressed in wild-type vegetative leaves but whose effects on leaf development remain unknown. For the induction of mutant sectors in adult plants, we followed one approach based on the X-ray irradiation of 'cell autonomy' (CAUT) lines, and another based on the site-specific excision of transgenes mediated by Cre recombinase. We conclude that both methods are time-consuming and difficult to scale up, being better suited for the study of emb mutations on a case-by-case basis. PMID- 29209029 TI - An in vitro assay to measure antibody-mediated inhibition of P. berghei sporozoite invasion against P. falciparum antigens. AB - A large research effort is currently underway to find an effective and affordable malaria vaccine. Tools that enable the rapid evaluation of protective immune responses are essential to vaccine development as they can provide selection criteria to rank order vaccine candidates. In this study we have revisited the Inhibition of Sporozoite Invasion (ISI) assay to assess the ability of antibodies to inhibit sporozoite infection of hepatocytes. By using GFP expressing sporozoites of the rodent parasite P. berghei we are able to robustly quantify parasite infection of hepatocyte cell lines by flow cytometry. In conjunction with recently produced transgenic P. berghei parasites that express P. falciparum sporozoite antigens, we have been able to use this assay to measure antibody mediated inhibition of sporozoite invasion against one of the lead malaria antigens P. falciparum CSP. By combining chimeric rodent parasites expressing P. falciparum antigens and a flow cytometric readout of infection, we are able to robustly assess vaccine-induced antibodies, from mice, rhesus macaques and human clinical trials, for their functional ability to block sporozoite invasion of hepatocytes. PMID- 29209030 TI - High-hole mobility polycrystalline Ge on an insulator formed by controlling precursor atomic density for solid-phase crystallization. AB - High-carrier mobility semiconductors on insulators are essential for fabricating advanced thin-film transistors, allowing for three-dimensional integrated circuits or high-performance mobile terminals. We investigate the low-temperature (375-450 degrees C) solid-phase crystallization (SPC) of Ge on a glass substrate, focusing on the precursor conditions. The substrate temperature during the precursor deposition, T d, ranged from 50 to 200 degrees C. According to the atomic density of the precursor and the T d dependent SPC properties, the precursor conditions were determined by three regimes: the low-density regime (T d < 100 degrees C), high-density regime (100 <= T d <= 125 degrees C), and nucleation regime (T d > 125 degrees C). The use of the precursor in the narrow high-density regime enabled us to form SPC-Ge with a hole mobility of 340 cm2/Vs, the highest value among semiconductor thin films grown on insulators at low temperature (<900 degrees C). The origins of the high hole mobility were determined to be both a large grain size (5 um) and a low energy barrier height (6.4 meV) for the grain boundary. The findings from and knowledge gained in this study, that is, the influence of the precursor conditions on subsequent crystal growth, will be universal and applicable to various materials. PMID- 29209031 TI - Racial differences in neonatal hypoglycemia among very early preterm births. AB - OBJECTIVE: To determine whether the prevalence of neonatal hypoglycemia differs by race/ethnicity. STUDY DESIGN: A retrospective cohort study using prospectively collected data from 515 neonates born very preterm (<32 weeks) to normoglycemic women and admitted to the neonatal intensive care unit (NICU) at a major tertiary hospital in Boston, MA, between 2008 and 2012. RESULTS: A total of 61%, 12%, 7%, 7%, and 13% were White, Black, Hispanic, Asian, and Other, respectively. Among the 66% spontaneous preterm births, 63% of the black neonates experienced hypoglycemia (blood glucose level < 40 mg/dL), while only 22-30% of the other racial/ethnic neonates did so (Black vs. White RR 2.15; 95% CI: 1.54-3.00). After adjusting for maternal education, maternal age, multiple gestations, delivery type, gestational age, birth weight, and neonates' sex, this association remained significant (adjusted Black vs. White RR: 1.61, 95% CI: 1.13-2.29). An increased risk of infant hypoglycemia was not seen in infants of other racial/ethnic groups, nor in any racial/ethnic group with a medically indicated preterm birth. CONCLUSIONS: Black neonates delivered for spontaneous (but not medical) indications at <32 weeks had a higher risk of hypoglycemia, which could provide critical information about mechanisms of preterm birth and adverse postnatal outcomes in this high-risk group. PMID- 29209032 TI - Comparison of state risk-appropriate neonatal care policies with the 2012 AAP policy statement. AB - OBJECTIVE: Compare state policies with standards outlined in the 2012 AAP Policy Statement on Levels of Neonatal Care. STUDY DESIGN: Systematic, web-based review of publicly available policies on levels of care in all states in 2014. Infant risk information, equipment capabilities, and specialty staffing were abstracted from published rules, statutes, and regulations. RESULT: Twenty-two states had a policy on regionalized perinatal care. State policies vary in consistency with the AAP Policy, with 60% of states including standards consistent with Level I criteria, 48% Level II, 14% Level III, and one state with Level IV. Ventilation capability standards are highly consistent (66-100%), followed by imaging capability standards (50-90%). Policy language on specialty staffing (44-68%), and subspecialty staffing (39-50%) are moderately consistent. CONCLUSION: State policies vary in consistency, a potentially significant barrier to monitoring, regulation, uniform care provision and measurement, and reporting of national level measures on risk-appropriate care. PMID- 29209033 TI - Study of THz-Plasmon hybridization of a loop Yagi-Uda absorber. AB - In this article we present a three-dimensional loop Yagi-Uda array for efficient, polarization independent and directional absorption of THz radiation over a narrow frequency range (f0 = 0.657 THz & Q factor = 7.5). Unit cell of the array consists of three vertically stacked gold micro rings separated from each other by 30 um thick SU-8 layers. The proposed array also exhibits a filtering response in its transmittance spectrum. The characteristics are explained by plasmon hybridization method. The transmission, reflection and absorption spectra of the structure are measured and they show a good agreement with corresponding simulated results. PMID- 29209034 TI - Na+ entry through heteromeric TRPC4/C1 channels mediates (-)Englerin A-induced cytotoxicity in synovial sarcoma cells. AB - The sesquiterpene (-)Englerin A (EA) is an organic compound from the plant Phyllanthus engleri which acts via heteromeric TRPC4/C1 channels to cause cytotoxicity in some types of cancer cell but not normal cells. Here we identified selective cytotoxicity of EA in human synovial sarcoma cells (SW982 cells) and investigated the mechanism. EA induced cation channel current (Icat) in SW982 cells with biophysical characteristics of heteromeric TRPC4/C1 channels. Inhibitors of homomeric TRPC4 channels were weak inhibitors of the Icat and EA induced cytotoxicity whereas a potent inhibitor of TRPC4/C1 channels (Pico145) strongly inhibited Icat and cytotoxicity. Depletion of TRPC1 converted Icat into a current with biophysical and pharmacological properties of homomeric TRPC4 channels and depletion of TRPC1 or TRPC4 suppressed the cytotoxicity of EA. A Na+/K+-ATPase inhibitor (ouabain) potentiated EA-induced cytotoxicity and direct Na+ loading by gramicidin-A caused Pico145-resistant cytotoxicity in the absence of EA. We conclude that EA has a potent cytotoxic effect on human synovial sarcoma cells which is mediated by heteromeric TRPC4/C1 channels and Na+ loading. PMID- 29209035 TI - Disturbed blood flow worsens endothelial dysfunction in moderate-severe chronic obstructive pulmonary disease. AB - The aims of this study were: (1) to test whether oscillatory shear stress further exacerbates endothelial dysfunction in patients with moderate-severe COPD, and (2) to test whether low flow oxygen administration improves endothelial function and is protective against oscillatory shear stress-induced endothelial dysfunction in patients with moderate-severe COPD. In 17 patients and 10 age matched non-smoking control subjects we examined brachial artery flow-mediated dilation (FMD) and circulating microparticles before and after 20 minutes of experimentally-induced oscillatory shear stress. COPD patients performed this intervention a second time following a 20-minute wash in period of low flow supplemental oxygen to normalize arterial oxygen saturation. COPD patients had ~six-fold greater baseline retrograde shear rate (P < 0.05) and lower FMD (P < 0.05). The oscillatory shear stress intervention induced significant decreases in brachial artery FMD of all groups (P < 0.05). Oscillatory shear stress elevated circulating markers of endothelial cell apoptosis (CD31+/CD41b- microparticles) in COPD patients, but not age-matched controls. Supplemental oxygen administration abrogated the oscillatory shear stress-induced increase in CD31+/CD41b- microparticles, and improved FMD after accounting for the shear stress stimulus. We have demonstrated that acutely disturbed blood flow with increased retrograde shear stress further deteriorates the already impaired endothelial function with attendant endothelial apoptosis in patients with moderate-severe COPD. PMID- 29209036 TI - A Universal 3D Voxel Descriptor for Solid-State Material Informatics with Deep Convolutional Neural Networks. AB - Material informatics (MI) is a promising approach to liberate us from the time consuming Edisonian (trial and error) process for material discoveries, driven by machine-learning algorithms. Several descriptors, which are encoded material features to feed computers, were proposed in the last few decades. Especially to solid systems, however, their insufficient representations of three dimensionality of field quantities such as electron distributions and local potentials have critically hindered broad and practical successes of the solid state MI. We develop a simple, generic 3D voxel descriptor that compacts any field quantities, in such a suitable way to implement convolutional neural networks (CNNs). We examine the 3D voxel descriptor encoded from the electron distribution by a regression test with 680 oxides data. The present scheme outperforms other existing descriptors in the prediction of Hartree energies that are significantly relevant to the long-wavelength distribution of the valence electrons. The results indicate that this scheme can forecast any functionals of field quantities just by learning sufficient amount of data, if there is an explicit correlation between the target properties and field quantities. This 3D descriptor opens a way to import prominent CNNs-based algorithms of supervised, semi-supervised and reinforcement learnings into the solid-state MI. PMID- 29209037 TI - Bacteriophage T5 tail tube structure suggests a trigger mechanism for Siphoviridae DNA ejection. AB - The vast majority of phages, bacterial viruses, possess a tail ensuring host recognition, cell wall perforation and safe viral DNA transfer from the capsid to the host cytoplasm. Long flexible tails are formed from the tail tube protein (TTP) polymerised as hexameric rings around and stacked along the tape measure protein (TMP). Here, we report the crystal structure of T5 TTP pb6 at 2.2 A resolution. Pb6 is unusual in forming a trimeric ring, although structure analysis reveals homology with all classical TTPs and related tube proteins of bacterial puncturing devices (type VI secretion system and R-pyocin). Structures of T5 tail tubes before and after interaction with the host receptor were determined by cryo-electron microscopy at 6 A resolution. Comparison of these two structures reveals that host-binding information is not propagated to the capsid through conformational changes in the tail tube, suggesting a role of the TMP in this information transduction process. PMID- 29209038 TI - A simple method to assess group difference in RT-qPCR reference gene selection using GeNorm: The case of the placental sex. AB - Normalization with proper reference genes is a crucial step in obtaining accurate mRNA expression levels in RT-qPCR experiments. GeNorm and NormFinder are two commonly used software packages that help in selecting the best reference genes, based on their expression stability. However, GeNorm does not take into account a group variable, such as sample sex, in its calculation. We demonstrate a simple calculation step to assess the variability of such parameters by multiplying the GeNorm M value with the difference of Cq values between groups. To test this, we used 28 reference gene candidates, to analyze 20 placental samples (10 of each sex), and by using HPRT1 (lower Cq values in male placentas (P = 0.017)), as a target gene. Our calculation demonstrates that the RPL30 - GAPDH reference gene combination is the better option to assess small placental sex differences in mRNA level, versus the selection obtained from GeNorm or NormFinder. The HPRT1 normalized mRNA expression level is different between placental sexes, using RPL30 and GAPDH as reference genes (P = 0.01), but not when using genes suggested by GeNorm or NormFinder. These results indicate that the proposed calculation is appropriate to assess small variations in mRNA expression between 2 groups. PMID- 29209039 TI - Author Correction: Tyrosine dephosphorylated cortactin downregulates contractility at the epithelial zonula adherens through SRGAP1. AB - A correction to this article has been published and is linked from the HTML version of this article. PMID- 29209040 TI - Chitosan coated cotton cloth supported zero-valent nanoparticles: Simple but economically viable, efficient and easily retrievable catalysts. AB - A simple, economically viable and fast method has been utilized for the preparation of highly active metal nanoparticles (MNPs) in coating layer of chitosan (CH) over cellulose microfibers of cotton cloth (CC). 2 wt% of CH solution was used for the coating of CC strips (CC-CH), and were kept in aqueous solutions of metal salts to adsorb metal ions. The CC-CH templated with metal ions were then treated with aqueous solution of NaBH4 to reduce the metal ions into zero-valent metal nanoparticles (M0). The CC-CH strips loaded with M0 were characterized by XRD, XPS, ATR-FTIR, FE-SEM and TGA, which indicates the successful synthesis of MNPs by this method. The M0/CC-CH strips were used as an efficient catalyst for the model reduction reaction of nitrophenol and toxic organic dyes. Among all the prepaped samples, Fe/CC-CH showed good catalytic activity for 4-NP and Rh-B dye reduction in the presence of NaBH4 with rate constants of 0.2937 min-1 and 0.3804 min-1, respectively. Moreover Fe/CC-CH has good catalytic reduction ability for MO and MB having rate constants equal to 0.1698 and 0.2802 min-1, respectively. Beside the good catalytic ability, it could be easily recoverable as compared to other available techniques. The recovery was completed by simply pulling the strip from the reaction matrix after completion of the reaction and can be used several times. PMID- 29209041 TI - The E3 ubiquitin ligase WWP1 sustains the growth of acute myeloid leukaemia. AB - The E3 ubiquitin ligase (E3) WWP1 is an oncogenic factor implicated in the maintenance of different types of epithelial cancers. The role of WW domain containing E3 ubiquitin protein ligase 1 (WWP1) in haematological neoplasms remains unknown. Acute myeloid leukaemia (AML) is characterized by the expansion of malignant myeloid cells blocked at different stages of differentiation. Here we report that the expression of WWP1 is significantly augmented in a large cohort of primary AML patients and in AML cell lines, compared with haematopoietic cells from healthy donors. We show that WWP1 inactivation severely impairs the growth of primary AML blasts and cell lines in vitro. In vivo, we observed a reduced leukaemogenic potential of WWP1-depleted AML cells upon transplantation into immunocompromised mice. Mechanistically, WWP1 inactivation induces the accumulation of its protein substrate p27Kip1, which ultimately contributes to G0/G1 cell cycle arrest of AML blasts. In addition, WWP1 depletion triggers the autophagy signalling and reduces survival of leukaemic cells. Collectively, our findings provide molecular insights into the anti-cancer potential of WWP1 inhibition, suggesting that this E3 is a promising biomarker and druggable target in AML. PMID- 29209042 TI - Analysis of the genomic landscape of multiple myeloma highlights novel prognostic markers and disease subgroups. AB - In multiple myeloma, next generation sequencing (NGS) has expanded our knowledge of genomic lesions, and highlighted a dynamic and heterogeneous composition of the tumor. Here, we used NGS to characterize the genomic landscape of 418 multiple myeloma cases at diagnosis and correlate this with prognosis and classification. Translocations and copy number changes (CNAs) had a preponderant contribution over gene mutations in defining the genotype and prognosis of each case. Known and novel independent prognostic markers were identified in our cohort of proteasome inhibitor and IMiD-treated patients with long follow-up, including events with context-specific prognostic value, such as deletions of the PRDM1 gene. Taking advantage of the comprehensive genomic annotation of each case, we used innovative statistical approaches to identify potential novel myeloma subgroups. We observed clusters of patients stratified based on the overall number of mutations and number/type of CNAs, with distinct effects on survival, suggesting that extended genotype of multiple myeloma at diagnosis may lead to improved disease classification and prognostication.Leukemia accepted article preview online, 06 December 2017. doi:10.1038/leu.2017.344. PMID- 29209043 TI - CRISPR/Cas9-edited NSG mice as PDX models of human leukemia to address the role of niche-derived SPARC. PMID- 29209044 TI - Biological and prognostic impact of APOBEC-induced mutations in the spectrum of plasma cell dyscrasias and multiple myeloma cell lines. PMID- 29209047 TI - IBD in 2017: Development of therapy for and prediction of IBD - getting personal. PMID- 29209045 TI - MiR-211 is essential for adult cone photoreceptor maintenance and visual function. AB - MicroRNAs (miRNAs) are key post-transcriptional regulators of gene expression that play an important role in the control of fundamental biological processes in both physiological and pathological conditions. Their function in retinal cells is just beginning to be elucidated, and a few have been found to play a role in photoreceptor maintenance and function. MiR-211 is one of the most abundant miRNAs in the developing and adult eye. However, its role in controlling vertebrate visual system development, maintenance and function so far remain incompletely unexplored. Here, by targeted inactivation in a mouse model, we identify a critical role of miR-211 in cone photoreceptor function and survival. MiR-211 knockout (-/-) mice exhibited a progressive cone dystrophy accompanied by significant alterations in visual function. Transcriptome analysis of the retina from miR-211-/- mice during cone degeneration revealed significant alteration of pathways related to cell metabolism. Collectively, this study highlights for the first time the impact of miR-211 function in the retina and significantly contributes to unravelling the role of specific miRNAs in cone photoreceptor function and survival. PMID- 29209048 TI - Gut microbiota: A mother's microbiota: intergenerational transfer. PMID- 29209046 TI - Cdc7-Dbf4-mediated phosphorylation of HSP90-S164 stabilizes HSP90-HCLK2-MRN complex to enhance ATR/ATM signaling that overcomes replication stress in cancer. AB - Cdc7-Dbf4 kinase plays a key role in the initiation of DNA replication and contributes to the replication stress in cancer. The activity of human Cdc7-Dbf4 kinase remains active and acts as an effector of checkpoint under replication stress. However, the downstream targets of Cdc7-Dbf4 contributed to checkpoint regulation and replication stress-support function in cancer are not fully identified. In this work, we showed that aberrant Cdc7-Dbf4 induces DNA lesions that activate ATM/ATR-mediated checkpoint and homologous recombination (HR) DNA repair. Using a phosphoproteome approach, we identified HSP90-S164 as a target of Cdc7-Dbf4 in vitro and in vivo. The phosphorylation of HSP90-S164 by Cdc7-Dbf4 is required for the stability of HSP90-HCLK2-MRN complex and the function of ATM/ATR signaling cascade and HR DNA repair. In clinically, the phosphorylation of HSP90 S164 indeed is increased in oral cancer patients. Our results indicate that aberrant Cdc7-Dbf4 enhances replication stress tolerance by rewiring ATR/ATM mediated HR repair through HSP90-S164 phosphorylation and by promoting recovery from replication stress. We provide a new solution to a subtyping of cancer patients with dominant ATR/HSP90 expression by combining inhibitors of ATR-Chk1, HSP90, or Cdc7 in cancer combination therapy. PMID- 29209049 TI - Repurposing an inhibitor of ribosomal biogenesis with broad anti-fungal activity. AB - The lack of new antifungal compounds with unique mechanisms of action is a concern for therapeutic management of patients. To identify inhibitors against human pathogenic fungi, we screened ~3000 compounds provided by the Developmental Therapeutics Program of NIH/NCI against a panel of pathogenic fungi including Candida species, Aspergillus fumigatus, and Cryptococcus neoformans. NSC319726 (a thiosemicarbazone) had broad antifungal activity in the range of 0.1-2.0 ug/ml and was also inhibitory to fluconazole-resistant isolates of Candida species. Synergy was demonstrated with NSC319726 and azoles, as well as caspofungin. The inhibitory concentration 50% (IC50) of NSC319726 was 35-800-fold higher than the Minimum Inhibitory Concentration 50% (MIC50 values), which indicates low compound toxicity to human cells in vitro. Transcriptome analysis of treated and untreated C. albicans using Gene Ontology (GO) revealed a large cluster of down regulated genes that encode translational proteins, especially those with ribosome biogenesis functions. As NSC319726 was first shown to have anti-cancer activity, its affects against human pathogenic fungi establish NSC319726 as a repurposed, off-patent compound that has potential antifungal activity. The minimal in vitro toxicity of lead optimized NSC319726 and its reasonable inhibitory activity against pathogens suggest advancing this compound to in vivo toxicity testing and protection studies against candidiasis. PMID- 29209050 TI - Publisher Correction: Method to Reduce Long-lived Fission Products by Nuclear Transmutations with Fast Spectrum Reactors. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper. PMID- 29209051 TI - Author Correction: Identification of functional tetramolecular RNA G-quadruplexes derived from transfer RNAs. AB - The original version of this Article contained an error in the spelling of the author Steven M. Coyne, which was incorrectly given as Stephen M. Coyne. This has now been corrected in both the PDF and HTML versions of the Article. PMID- 29209052 TI - Maintaining pH-dependent conformational flexibility of M1 is critical for efficient influenza A virus replication. AB - The M gene segment of influenza A virus has been shown to be a contributing factor to the high growth phenotype. However, it remains largely unknown why matrix protein 1 (M1), the major structural protein encoded by M gene, exhibits pH-dependent conformational changes during virus replication. Understanding the mechanisms underlying efficient virus replication can help to develop strategies not only to combat influenza infections but also to improve vaccine supplies. M(NLS-88R) and M(NLS-88E) are two M1 mutants differing by only a single amino acid: G88R vs G88E. G88R but not G88E was the compensatory mutation naturally selected by the virus after its nuclear localization signal was disrupted. Our study shows that, compared with M(NLS-88E) M1, M(NLS-88R) M1 dissociated quickly from viral ribonucleoproteins (vRNPs) at higher pH and took less time to dissemble in vitro, despite forming thicker matrix layer and having stronger association with vRNP in assembled virions. Correspondingly, M(NLS-88R) replicated more efficiently and was genetically more stable than M(NLS-88E). Crystallographic analysis indicated that M(NLS-88R) M1, like wild-type M1, is able to switch from a face-to-back-oriented conformation to a face-to-face oriented conformation when pH drops from neutral to acidic, whereas G88E mutation causes M(NLS-88E) M1 to be trapped in a face-to-face-arranged conformation regardless of environmental pH. Our results suggest that maintaining M1 pH dependent conformational flexibility is critical for efficient virus replication, and position 88 is a key residue controlling M1 pH-dependent conformational changes. Our findings provide insights into developing M1-based antiviral agents. PMID- 29209053 TI - Development of an influenza virus protein microarray to measure the humoral response to influenza virus infection in mallards. AB - Avian influenza viruses pose a serious zoonotic threat, in part because current seasonal influenza virus vaccines only offer strain-specific protection, instead of heterosubtypic or universal protection against influenza virus infection. Understanding the humoral response to vaccination and natural infection in the broadest context possible is important to developing defenses against influenza zoonosis. Protein microarrays are a novel platform well suited to assaying the humoral immune response broadly and efficiently. We developed an influenza virus protein microarray (IVPM) that could be used to assay sera from many species, including humans. Waterfowl such as mallard ducks are natural reservoirs for many influenza A viruses, but their humoral immune response to infection is poorly understood. To establish this technology, we assayed sera from mallards experimentally infected with two low-pathogenic common avian influenza viruses (H3N8 and H4N5) for reactivity to influenza virus hemagglutinin (HA) by IVPM. The IVPM results correlated well with results from an established enzyme-linked immunosorbent assay, supporting the validity of the IVPM as a serological assay in influenza virus research. Interestingly, successive infection with H3N8 followed by H4N5 virus in mallard ducks induced antibodies that were broadly reactive against group 2 hemagglutinins. We also analyzed sera from wild mallards and observed serological evidence for infection in those sera. With serological information, it may be possible to infer infection history of wild avian species and gain a better understanding of the infection dynamics of influenza viruses in their natural reservoir. This might ultimately lead to interventions that enhance our pandemic preparedness. PMID- 29209055 TI - Splicing: Going in circles. PMID- 29209054 TI - Triazole phenotypes and genotypic characterization of clinical Aspergillus fumigatus isolates in China. AB - This study investigated the triazole phenotype and genotypic of clinical Aspergillus fumigatus isolates from China. We determined the triazole susceptibility profiles of 159 A. fumigatus isolates collected between 2011 and 2015 from four different areas in China tested against 10 antifungal drugs using the Clinical Laboratory Standard Institute M38-A2 method. For the seven itraconazole-resistant A. fumigatus isolates identified in the study, the cyp51A gene, including its promoter region, was sequenced and the mutation patterns were characterized. The resistant isolates were genotyped by microsatellite typing to determine the genetic relatedness to isolates from China and other countries. The frequency of itraconazole resistance in A. fumigatus isolates in our study was 4.4% (7/159). Six of the seven triazole-resistant isolates were recovered from the east and southeast of China, and one from was recovered from the west of China. No resistant isolates were found in the north. Three triazole-resistant isolates exhibited the TR34/L98H mutation, two carried the TR34/L98H/S297T/F495I mutation and one harbored a G54V mutation in the cyp51A gene. Analysis of the microsatellite markers from seven non-wild-type isolates indicated the presence of five unique genotypes, which clustered into two major genetic groups. The cyp51A gene mutations TR34/L98H and TR34/L98H/S297T were the most frequently found mutations, and the G54V mutation was reported for the first time in China. The geographic origin of the triazole-resistant isolates appeared to concentrate in eastern and south-eastern areas, which suggests that routine antifungal susceptibility testing in these areas should be performed for all clinically relevant A. fumigatus isolates to guide antifungal therapy and for epidemiological purposes. PMID- 29209057 TI - Publisher Correction: Recycled iron fuels new production in the eastern equatorial Pacific Ocean. AB - The original version of this Article contained errors in Fig. 2b and Table 2. In Fig. 2b, the white circle labels were incorrectly positioned as they referred to scenarios that were used in an earlier version of the Article. In Table 2, the following three sentences were removed from the legend 'The last two calculations are discussed in the "Methods". The first assumes that all dissolved plus the ~0.3 nmol kg-1 of particulate iron (measured in the eastern equatorial Pacific30) is bioavailable. The last calculation assumes EUC dissolved iron concentrations from 140 degrees W'. These errors have now been corrected in both the PDF and HTML versions of the Article. PMID- 29209056 TI - Transcription regulation by the Mediator complex. AB - Alterations in the regulation of gene expression are frequently associated with developmental diseases or cancer. Transcription activation is a key phenomenon in the regulation of gene expression. In all eukaryotes, mediator of RNA polymerase II transcription (Mediator), a large complex with modular organization, is generally required for transcription by RNA polymerase II, and it regulates various steps of this process. The main function of Mediator is to transduce signals from the transcription activators bound to enhancer regions to the transcription machinery, which is assembled at promoters as the preinitiation complex (PIC) to control transcription initiation. Recent functional studies of Mediator with the use of structural biology approaches and functional genomics have revealed new insights into Mediator activity and its regulation during transcription initiation, including how Mediator is recruited to transcription regulatory regions and how it interacts and cooperates with PIC components to assist in PIC assembly. Novel roles of Mediator in the control of gene expression have also been revealed by showing its connection to the nuclear pore and linking Mediator to the regulation of gene positioning in the nuclear space. Clear links between Mediator subunits and disease have also encouraged studies to explore targeting of this complex as a potential therapeutic approach in cancer and fungal infections. PMID- 29209058 TI - Learning the value of information and reward over time when solving exploration exploitation problems. AB - To flexibly adapt to the demands of their environment, animals are constantly exposed to the conflict resulting from having to choose between predictably rewarding familiar options (exploitation) and risky novel options, the value of which essentially consists of obtaining new information about the space of possible rewards (exploration). Despite extensive research, the mechanisms that subtend the manner in which animals solve this exploitation-exploration dilemma are still poorly understood. Here, we investigate human decision-making in a gambling task in which the informational value of each trial and the reward potential were separately manipulated. To better characterize the mechanisms that underlined the observed behavioural choices, we introduce a computational model that augments the standard reward-based reinforcement learning formulation by associating a value to information. We find that both reward and information gained during learning influence the balance between exploitation and exploration, and that this influence was dependent on the reward context. Our results shed light on the mechanisms that underpin decision-making under uncertainty, and suggest new approaches for investigating the exploration exploitation dilemma throughout the animal kingdom. PMID- 29209059 TI - Fabrication and characterization of reversible thermochromic wood veneers. AB - Leuco dyes are widely used as functional materials for their thermosensitive chromogenic nature. The influences of thermochromic compounds and impregnation processing conditions on thermochromic wood veneer properties were investigated in this paper. The thermochromic compounds included thermochromic dye (ODB-2), color developer (bisphenol A) and solvent (1-tetradecanol). To achieve the maximum color change, the optimum mixing ratio of ODB-2 to bisphenol A to 1 tetradecanol was 1:2:60. Juglans mandshurica veneers were ultrasonically impregnated with reversible thermochromic compound suspensions. Analysis of variance showed that the influences of impregnation parameters on veneer color change were significant at the 0.05 level. The optimum thermochromic wood veneer can be obtained by impregnating with a thermochromic compound suspension for 2.0 min at 65 degrees C. In this paper, the thermochromic properties of wood veneers were evaluated, and functional thermochromic veneers exhibited excellent properties and thermostability. PMID- 29209060 TI - ATR-FTIR spectral discrimination between normal and tumorous mouse models of lymphoma and melanoma from serum samples. AB - This study presents, attenuated total reflection Fourier transforms infrared spectroscopy of dried serum samples in an effort to assess biochemical changes induced by non-Hodgkin's lymphoma and subcutaneous melanoma. An EL4 mouse model of non-Hodgkin lymphoma and a B16 mouse model of subcutaneous melanoma are used to extract a snapshot of tumor-associated alteration in the serum. The study of both cancer-bearing mouse models in wild types and their corresponding control types, emphasizes the diagnostic potential of this approach as a screening technique for non-Hodgkin lymphoma and melanoma skin cancer. Infrared absorbance values of the different spectral bands, hierarchical clustering and integral values of the component bands by curve fitting, show statistically significant differences (student's t-test, two-tailed unequal variance p-value < 0.05) between spectra representing healthy and tumorous mouse. This technique may thus be useful for having individualized route maps for rapid evaluation of lymphoma and melanoma status and associated therapeutic modalities. PMID- 29209061 TI - CAR-T cells: the narrow path between hope and bankruptcy? PMID- 29209062 TI - Jon van Rood (1926-2017). PMID- 29209063 TI - Effect of different organic fertilizers application on growth and environmental risk of nitrate under a vegetable field. AB - The effect of chicken manure after different disposal methods (water-logged composting, GOF; anaerobic digestion, BR; thermophilic composting, ROF) on vegetable growth and environmental risk was investigated under the tomato-celery tomato field. Results showed that organic fertilizers significantly increased vegetable yield and quality, but with inappropriate application may cause serious environmental risk such as nitrate pollution. Maximum vegetable yield of 80.9, 68.3, 112.7 t.ha-1 (first, second and third rotation crop, respectively) with best vegetable quality was obtained in ROF treatment. The highest N use efficiency with the least nitrate enrichment in soil was also found in ROF treatment. Moreover, under this fertilization way, nitrate concentration in soil leachate dropped to 6.4 mg.L-1, which satisfied the threshold (<10 mg.L-1) for drinking water set by the US Environmental Protection Agency. Thus, ROF was suggested to be the optimal fertilizer with the best yield, quality and the least environmental risk under the "tomato-celery" rotation system. PMID- 29209064 TI - Magnetic field observations in CoFeB/Ta layers with 0.67-nm resolution by electron holography. AB - Nanometre-scale magnetic field distributions in materials such as those at oxide interfaces, in thin layers of spintronics devices, and at boundaries in magnets have become important research targets in materials science and applied physics. Electron holography has advantages in nanometric magnetic field observations, and the realization of aberration correctors has improved its spatial resolution. Here we show the subnanometre magnetic field observations inside a sample at 0.67 nm resolution achieved by an aberration-corrected 1.2-MV holography electron microscope with a pulse magnetization system. A magnetization reduction due to intermixing in a CoFeB/Ta multilayer is analyzed by observing magnetic field and electrostatic potential distributions simultaneously. Our results demonstrate that high-voltage electron holography can be widely applied to pin-point magnetization analysis with structural and composition information in physics, chemistry, and materials science. PMID- 29209065 TI - Cellular automaton models for time-correlated random walks: derivation and analysis. AB - Many diffusion processes in nature and society were found to be anomalous, in the sense of being fundamentally different from conventional Brownian motion. An important example is the migration of biological cells, which exhibits non trivial temporal decay of velocity autocorrelation functions. This means that the corresponding dynamics is characterized by memory effects that slowly decay in time. Motivated by this we construct non-Markovian lattice-gas cellular automata models for moving agents with memory. For this purpose the reorientation probabilities are derived from velocity autocorrelation functions that are given a priori; in that respect our approach is "data-driven". Particular examples we consider are velocity correlations that decay exponentially or as power laws, where the latter functions generate anomalous diffusion. The computational efficiency of cellular automata combined with our analytical results paves the way to explore the relevance of memory and anomalous diffusion for the dynamics of interacting cell populations, like confluent cell monolayers and cell clustering. PMID- 29209067 TI - Preoperative serum thyroglobulin predicts initial distant metastasis in patients with differentiated thyroid cancer. AB - Differentiated thyroid cancer (DTC) generally has a favorable prognosis. However, a small percentage of patients suffer from initial distant metastasis (DM). To date, there is no effective predictor for the presence of initial DM. The aim of this study was to determine if preoperative serum thyroglobulin (Tg) level could predict initial DM in DTC. We reviewed an institutional thyroid cancer database from October 1994 to February 2016. To determine the Tg cutoff for predicting initial DM, 4,735 patients who were diagnosed with DTC were included in this study. Fifty-seven patients (1.2%) were identified as having DTC with initial DM. Median preoperative Tg level was 328.4 ng/ml in the initial DM group and 10.0 ng/ml in the non-DM group. Initial DM was the most important factor affecting serum Tg level (beta = 2,049.32 +/- 103.40; P < 0.001). The Tg cutoff level that distinguished overall DM with the greatest accuracy was 63.4 ng/ml [area under the ROC curve 0.914, sensitivity 84.2%, specificity 90.6%, negative likelihood ratio (LR) 0.17, and positive LR 8.97]. Preoperative Tg levels were useful for predicting initial DM of DTC. Measurement of serum Tg in patients with DTC may guide preoperative staging evaluation and initial treatment. PMID- 29209066 TI - Interaction of Complement Defence Collagens C1q and Mannose-Binding Lectin with BMP-1/Tolloid-like Proteinases. AB - The defence collagens C1q and mannose-binding lectin (MBL) are immune recognition proteins that associate with the serine proteinases C1r/C1s and MBL-associated serine proteases (MASPs) to trigger activation of complement, a major innate immune system. Bone morphogenetic protein-1 (BMP-1)/tolloid-like proteinases (BTPs) are metalloproteinases with major roles in extracellular matrix assembly and growth factor signalling. Despite their different functions, C1r/C1s/MASPs and BTPs share structural similarities, including a specific CUB-EGF-CUB domain arrangement found only in these enzymes that mediates interactions with collagen like proteins, suggesting a possible functional relationship. Here we investigated the potential interactions between the defence collagens C1q and MBL and the BTPs BMP-1 and mammalian tolloid-like-1 (mTLL-1). C1q and MBL bound to immobilized BMP-1 and mTLL-1 with nanomolar affinities. These interactions involved the collagen-like regions of the defence collagens and were inhibited by pre-incubation of C1q or MBL with their cognate complement proteinases. Soluble BMP-1 and mTLL-1 did not inhibit complement activation and the defence collagens were neither substrates nor inhibitors of BMP-1. Finally, C1q co-localized with BMP-1 in skin biopsies following melanoma excision and from patients with recessive dystrophic epidermolysis bullosa. The observed interactions provide support for a functional link between complement and BTPs during inflammation and tissue repair. PMID- 29209068 TI - "Carboranyl-cysteine"-Synthesis, Structure and Self-Assembly Behavior of a Novel alpha-Amino Acid. AB - Substitution of the thiol proton in cysteine with m-carborane furnished 2-amino-3 (1,7-dicarba-closo-dodecacarboranyl-1-thio)propanoic acid (3), a boron cluster amino acid that exhibits self-assembly to form micron-sized constructs. Field emission scanning electron microscopy revealed that ethanol solutions of 3 form floret-shaped constructs, while fibrillar architectures are formed in water. Furthermore, slow evaporation of methanol solutions of 3 produced crystals whose structure was revealed by X-ray crystallography. The crystal structure shows that the hydrogen bonding interactions between pairs of 3 result in the formation of bilayers of 174 A in length. The orientation of the clusters is not random in the crystal structure, such that the side-by-side aligned polyhedra are offset by 158 degrees. The material was characterized by FT-IR, NMR, high resolution mass spectrometry and dynamic light scattering. Circular dichroism studies indicated that self-assembly occurs at concentrations as low as 0.01 MUM. This represents the first demonstration of self-assembly of a carborane-based molecule in the absence of metals. The amino acid motif provides opportunities for the controlled synthesis of extended multimeric units with tunable properties and the potential for applications in biology, medicine and materials chemistry. PMID- 29209069 TI - Transcranial direct current stimulation of the medial prefrontal cortex dampens mind-wandering in men. AB - Mind-wandering, the mind's capacity to stray from external events and generate task-unrelated thought, has been associated with activity in the brain default network. To date, little is understood about the contribution of individual nodes of this network to mind-wandering. Here, we investigated the role of medial prefrontal cortex (mPFC) in mind-wandering, by perturbing this region with transcranial direct current stimulation (tDCS). Young healthy participants performed a choice reaction time task both before and after receiving cathodal tDCS over mPFC, and had their thoughts periodically sampled. We found that tDCS over mPFC - but not occipital or sham tDCS - decreased the propensity to mind wander. The tDCS-induced reduction in mind-wandering occurred in men, but not in women, and was accompanied by a change in the content of task-unrelated though, which became more related to other people (as opposed to the self) following tDCS. These findings indicate that mPFC is crucial for mind-wandering, possibly by helping construction of self-relevant scenarios capable to divert attention inward, away from perceptual reality. Gender-related differences in tDCS-induced changes suggest that mPFC controls mind-wandering differently in men and women, which may depend on differences in the structural and functional organization of distributed brain networks governing mind-wandering, including mPFC. PMID- 29209070 TI - Assessment of Concordance between 22C3 and SP142 Immunohistochemistry Assays regarding PD-L1 Expression in Non-Small Cell Lung Cancer. AB - Different anti-PD-1 and anti-PD-L1 antibodies bind different epitopes. However, whether the results from the SP142 and 22C3 immunochemistry (IHC) assays can be interchanged to determine patient eligibility for immunotherapy remains largely unknown. Histologic sections from 135 tumor samples were probed with both 22C3 and SP142 antibodies. The concordance of PD-L1 expression determined by the two assays was assessed. Additionally, we evaluated the association of PD-L1 expression detected by different assays with clinicopathological features and prognosis. In total, 105 (77.78%) of 135 samples evaluated by the 22C3-IHC platform produced the same results with the SP142-IHC platform (Kappa value: 0.481, p < 0.001). In addition, 69 (51.11%) of 135 samples evaluated by the SP142 IHC platform produced the same results with the 22C3-IHC platform (Kappa value: 0.324, p < 0.001). PD-L1 expression based on the 22C3-IHC assay was significantly correlated with smoking status, whereas that based on the SP142-IHC assay was correlated with smoking status, sex, and histology. Compared to the SP142-IHC assay, the 22C3-IHC assay usually resulted in an underestimation of PD-L1 expression in tumor cells and immune cells. Thus, the results from the two assays cannot be interchanged. Our data also suggest that the use of different reagents may account for inconsistencies in the literature regarding the association between PD-L1 expression and clinicopathological features. PMID- 29209071 TI - Inhaled nicotine equivalent to cigarette smoking disrupts systemic and uterine hemodynamics and induces cardiac arrhythmia in pregnant rats. AB - Maternal smoking with obligatory nicotine inhalation is associated with preterm delivery, low birth weight, fetal growth retardation and developmental defects. We tested the hypothesis that cigarette smoking-relevant nicotine inhalation during pregnancy impairs cardiovascular function and uterine hemodynamics with consequential fetal ischemia. Pregnant rats exposed to episodic inhaled nicotine via a novel lung alveolar region-targeted aerosol method produced nicotine pharmacokinetics resembling cigarette smoking in humans. This clinically relevant nicotine aerosol inhalation (NAI) induced transient reduction and irregular fluctuations in uterine artery blood flow associated with cardiac arrhythmia and high magnitude irregular fluctuations of systemic blood pressure. The arrhythmia included sinoatrial (SA) block, sinus arrest, 2 degrees and 3 degrees atrioventricular (A-V) block and supraventricular escape rhythm. These effects were blocked by the nicotinic acetylcholine receptor (nAChR) antagonist mecamylamine. Resection of the ovarian nerve, which innervates uterine blood vessels, counteracted the NAI-induced reduction in uterine blood flow. We suggest that the rapid rise pattern of arterial blood nicotine concentration stimulates and then desensitizes autonomic nAChRs leading to disruptions of cardiac function as well as systemic and uterine hemodynamics that reduces uteroplacental blood flow, a mechanism underlying maternal smoking-associated pregnancy complications and developmental disorders. These findings challenge the safety of pure nicotine inhalation, i.e., E-cigarettes. PMID- 29209072 TI - Free SepF interferes with recruitment of late cell division proteins. AB - The conserved cell division protein SepF aligns polymers of FtsZ, the key cell division protein in bacteria, during synthesis of the (Fts)Z-ring at midcell, the first stage in cytokinesis. In addition, SepF acts as a membrane anchor for the Z ring. Recently, it was shown that SepF overexpression in Mycobacterium smegmatis blocks cell division. Why this is the case is not known. Surprisingly, we found in Bacillus subtilis that SepF overproduction does not interfere with Z-ring assembly, but instead blocks assembly of late division proteins responsible for septum synthesis. Transposon mutagenesis suggested that SepF overproduction suppresses the essential WalRK two-component system, which stimulates expression of ftsZ. Indeed, it emerged that SepF overproduction impairs normal WalK localization. However, transcriptome analysis showed that the WalRK activity was in fact not reduced in SepF overexpressing cells. Further experiments indicated that SepF competes with EzrA and FtsA for binding to FtsZ, and that binding of extra SepF by FtsZ alleviates the cell division defect. This may explain why activation of WalRK in the transposon mutant, which increases ftsZ expression, counteracts the division defect. In conclusion, our data shows that an imbalance in early cell division proteins can interfere with recruitment of late cell division proteins. PMID- 29209073 TI - Integrating Clinical and Multiple Omics Data for Prognostic Assessment across Human Cancers. AB - Multiple omic profiles have been generated for many cancer types; however, comprehensive assessment of their prognostic values across cancers is limited. We conducted a pan-cancer prognostic assessment and presented a multi-omic kernel machine learning method to systematically quantify the prognostic values of high throughput genomic, epigenomic, and transcriptomic profiles individually, integratively, and in combination with clinical factors for 3,382 samples across 14 cancer types. We found that the prognostic performance varied substantially across cancer types. mRNA and miRNA expression profile frequently performed the best, followed by DNA methylation profile. Germline susceptibility variants displayed low prognostic performance consistently across cancer types. The integration of omic profiles with clinical variables can lead to substantially improved prognostic performance over the use of clinical variables alone in half of cancer types examined. Moreover, we showed that the kernel machine learning method consistently outperformed existing prognostic signatures, suggesting that including a large number of omic biomarkers may provide substantial improvement in prognostic assessment. Our study provides a comprehensive portrait of omic architecture for tumor prognosis across cancers, and highlights the prognostic value of genome-wide omic biomarker aggregation, which may facilitate refined prognostic assessment in the era of precision oncology. PMID- 29209074 TI - In vitro and in vivo antifungal activities and mechanism of heteropolytungstates against Candida species. AB - The antifungal activities of heteropolytungstates, alpha-1,2,3-K6H[SiW9V3O40] (SiW-3), K13[Ce(SiW11O39)2].17H2O (SiW-5), K13[Eu(SiW11O39)2].25H2O (SiW-10), K6PV3W9O40 (PW-6), alpha-K4PVW11O40 (PW-8), were screened in 29 Candida albicans, 8 Candida glabrata, 3 Candida krusei, 2 Candida parapsilosis, 1 Candida tropicalis, and 1 Cryptococcus neoformans strains using the CLSI M27-A3 method. SiW-5 had the highest efficacy with a minimum inhibitory concentration (MIC) values of <0.2-10.2 MUM in vitro. The antifungal mechanism, acute toxicity and in vivo antifungal activity of SiW-5 were then evaluated in C. albicans. The results showed that SiW-5 damaged the fungal cell membrane, reduce the ergosterol content and its main mode of action was through inhibition of ergosterol biosynthesis. Real-time PCR showed that ERG1, ERG7, ERG11 and ERG28 were all significantly upregulated by SiW-5. An acute toxicity study showed the 50% lethal dose (LD50) of SiW-5 for ICR mice was 1651.5 mg/kg. And in vivo antifungal studies demonstrated that SiW-5 reduced both the morbidity and fungal burden of mice infected with C. albicans. This study demonstrates that SiW-5 is a potential antifungal candidate against the Candida species. PMID- 29209079 TI - Zero-calorie sugar delivery to roots. PMID- 29209080 TI - Strategies for survival. PMID- 29209082 TI - How to get old without aging. PMID- 29209081 TI - Low number of fixed somatic mutations in a long-lived oak tree. AB - Because plants do not possess a defined germline, deleterious somatic mutations can be passed to gametes, and a large number of cell divisions separating zygote from gamete formation may lead to many mutations in long-lived plants. We sequenced the genome of two terminal branches of a 234-year-old oak tree and found several fixed somatic single-nucleotide variants whose sequential appearance in the tree could be traced along nested sectors of younger branches. Our data suggest that stem cells of shoot meristems in trees are robustly protected from the accumulation of mutations. PMID- 29209083 TI - Maintenance of carbohydrate transport in tall trees. AB - Trees present a critical challenge to long-distance transport because as a tree grows in height and the transport pathway increases in length, the hydraulic resistance of the vascular tissue should increase. This has led many to question whether trees can rely on a passive transport mechanism to move carbohydrates from their leaves to their roots. Although species that actively load sugars into their phloem, such as vines and herbs, can increase the driving force for transport as they elongate, it is possible that many trees cannot generate high turgor pressures because they do not use transporters to load sugar into the phloem. Here, we examine how trees can maintain efficient carbohydrate transport as they grow taller by analysing sieve tube anatomy, including sieve plate geometry, using recently developed preparation and imaging techniques, and by measuring the turgor pressures in the leaves of a tall tree in situ. Across nine deciduous species, we find that hydraulic resistance in the phloem scales inversely with plant height because of a shift in sieve element structure along the length of individual trees. This scaling relationship seems robust across multiple species despite large differences in plate anatomy. The importance of this scaling becomes clear when phloem transport is modelled using turgor pressures measured in the leaves of a mature red oak tree. These pressures are of sufficient magnitude to drive phloem transport only in concert with structural changes in the phloem that reduce transport resistance. As a result, the key to the long-standing mystery of how trees maintain phloem transport as they increase in size lies in the structure of the phloem and its ability to change hydraulic properties with plant height. PMID- 29209084 TI - Sublethal effects of buprofezin on development and reproduction in the white backed planthopper, Sogatella furcifera (Hemiptera: Delphacidae). AB - In the present study, the effects of sublethal concentrations of buprofezin on life-table traits of S. furcifera were evaluated for two consecutive generations (F0 and F1). Our results exhibited that the fecundity, life span (longevity) and hatchability of the F0 and F1 generations were significantly decreased at LC30 compared to the control. However, copulation was not significantly affected for the F0 or F1 generations at sublethal concentrations. The female life span was affected negatively at both treatments in F0 and at LC30 in F1, compared to the control. Furthermore, significant effects of the sublethal concentrations were found on the developmental rate of all instars except the 3rd instar of F1. However, the pre-adult period, total pre-oviposition period (TPOP) and adult pre oviposition period (APOP) significantly increased in F1 individuals at LC30 and LC10 compared to the control. Our findings revealed that demographic characters (survival rate, intrinsic rate of increase (ri), finite rate of increase (lambda), net reproductive rate (R 0), and gross reproductive rate (GRR)) of the F1 generation (from F0 parents) significantly decreased compared to the untreated group; however, the generation time (T) increased at LC10. Therefore, the results suggested that buprofezin could adversely affect individuals in the successive generation. PMID- 29209085 TI - Integrated Genomic and Proteomic Analyses of High-level Chloramphenicol Resistance in Campylobacter jejuni. AB - Campylobacter jejuni is a major zoonotic pathogen, and its resistance to antibiotics is of great concern for public health. However, few studies have investigated the global changes of the entire organism with respect to antibiotic resistance. Here, we provide mechanistic insights into high-level resistance to chloramphenicol in C. jejuni, using integrated genomic and proteomic analyses. We identified 27 single nucleotide polymorphisms (SNPs) as well as an efflux pump cmeB mutation that conferred modest resistance. We determined two radical S adenosylmethionine (SAM) enzymes, one each from an SNP gene and a differentially expressed protein. Validation of major metabolic pathways demonstrated alterations in oxidative phosphorylation and ABC transporters, suggesting energy accumulation and increase in methionine import. Collectively, our data revealed a novel rRNA methylation mechanism by a radical SAM superfamily enzyme, indicating that two resistance mechanisms existed in Campylobacter. This work provided a systems biology perspective on understanding the antibiotic resistance mechanisms in bacteria. PMID- 29209086 TI - Long noncoding RNAs that respond to Fusarium oxysporum infection in 'Cavendish' banana (Musa acuminata). AB - Long noncoding RNAs (lncRNAs) are a class of genes that influence a variety of biological functions through acting as signal, decoy, guide, and scaffold molecules. In banana (Musa spp.), an important economic fruit crop, particularly in Southeast Asia, the wilt disease caused by Fusarium oxysporum f. sp. cubense (Foc), especially strain Foc TR4, is disastrous. In banana, how the biogenesis of these lncRNAs is regulated in response to pathogen infection is still largely unknown. In this study, strand-specific paired-end RNA sequencing of banana samples was performed on susceptible and resistant cultivars inoculated with Foc, with three biological replicates and at two different times after infection. Overall, 5,294 lncRNAs were predicted with high confidence through strict filtration, including long intergenic ncRNA (lincRNA) and antisense lncRNA. Differentially expressed (DE) lncRNAs were identified in response to Foc infection in the inoculated versus the mock-inoculated banana of the susceptible 'BX' and resistant 'NK' cultivars. Through KEGG, GO, and the expression levels of the DE lncRNAs, some DE lncRNAs were predicted to be involved in plant-pathogen interactions and phytohormone signal transduction. In this study, this catalog of lncRNAs and their properties will facilitate further experimental studies and functional classifications of these genes. PMID- 29209087 TI - Quantitative trait loci mapping for feed conversion efficiency in crucian carp (Carassius auratus). AB - QTL is a chromosomal region including single gene or gene clusters that determine a quantitative trait. While feed efficiency is highly important in aquaculture fish, little genetic and genomic progresses have been made for this trait. In this study, we constructed a high-resolution genetic linkage map in a full-sib F1 family of crucian carp (Carassius auratus) consisting of 113 progenies with 8,460 SNP markers assigning onto 50 linkage groups (LGs). This genetic map spanned 4,047.824 cM (0.478 cM/marker) and covered 98.76% of the crucian carp genome. 35 chromosome-wide QTL affecting feed conversion efficiency (FCE, 8 QTL), relative growth rate (RGR, 9 QTL), average daily gain (ADG, 13 QTL) and average daily feed intake (ADFI, 5 QTL) were detected on 14 LGs, explaining 14.0-20.9% of the phenotypic variations. In LGs of LG16, LG25, LG36 and LG49, several QTL affecting different traits clustered together at the identical or close regions of the same linkage group. Seven candidate genes, whose biological functions may involve in the energy metabolism, digestion, biosynthesis and signal transduction, were identified from these QTL intervals by comparative genomics analysis. These results provide a basis for elucidating genetic mechanism of feed efficiency and potential marker-assisted selection in crucian carp. PMID- 29209089 TI - MRD in multiple myeloma: more questions than answers? PMID- 29209088 TI - Inhibitory effects of curcumin and cyclocurcumin in 1-methyl-4-phenylpyridinium (MPP+) induced neurotoxicity in differentiated PC12 cells. AB - Development and progression of neurodegenerative diseases like Parkinson's disease (PD) involve multiple pathways. Thus, effective therapeutic treatments should intervene to address all these pathways simultaneously for greater success. Most of the current pharmacotherapeutic approaches just supplement striatal dopamine. Hence, natural extracts of plants with therapeutic potential have been explored. Curcuminoids belong to one such group of polyphenol which show immense therapeutic effects. Here, we have used intracellular reactive oxygen species (ROS) measurement, and two-photon fluorescence lifetime imaging microscopy (2P-FLIM) of cellular autofluorescent co-enzyme reduced nicotinamide adenine dinucleotide (NADH) to study the inhibitory effects of curcumin and cyclocurcumin in alleviating PD like neurotoxicity of 1-methyl-4-phenylpyridinium (MPP+) in neuronal growth factor (NGF) induced differentiated PC12 cells. Our results showed that both cyclocurcumin and curcumin reduced the level of ROS caused by MPP+ treatment. Moreover, a significant increase in the free, protein bound, and average NADH fluorescence lifetimes along with a decrease in the relative contribution of free- vs. protein-bound NADH components in curcuminoids treated cells (pretreated with MPP+) were observed compared with those treated with MPP+ only. This study, which indicates that cyclocurcumin offers higher neuronal protection than curcumin, may initiate further studies of these compounds in the cure of neurodegenerative diseases. PMID- 29209090 TI - Meta-analysis of gut microbiome studies identifies disease-specific and shared responses. AB - Hundreds of clinical studies have demonstrated associations between the human microbiome and disease, yet fundamental questions remain on how we can generalize this knowledge. Results from individual studies can be inconsistent, and comparing published data is further complicated by a lack of standard processing and analysis methods. Here we introduce the MicrobiomeHD database, which includes 28 published case-control gut microbiome studies spanning ten diseases. We perform a cross-disease meta-analysis of these studies using standardized methods. We find consistent patterns characterizing disease-associated microbiome changes. Some diseases are associated with over 50 genera, while most show only 10-15 genus-level changes. Some diseases are marked by the presence of potentially pathogenic microbes, whereas others are characterized by a depletion of health-associated bacteria. Furthermore, we show that about half of genera associated with individual studies are bacteria that respond to more than one disease. Thus, many associations found in case-control studies are likely not disease-specific but rather part of a non-specific, shared response to health and disease. PMID- 29209092 TI - Opposite effects of dissolved oxygen on the removal of As(III) and As(V) by carbonate structural Fe(II). AB - Freshly prepared carbonate structural Fe(II) (CSF) was used to immobilize As(III) and As(V) in wastewater under oxic and anoxic conditions. Dissolved oxygen was found to exert opposite effects on these two arsenic species. The sorption density of As(III) was higher under oxic conditions, whereas that of As(V) was higher under anoxic conditions. X-ray diffraction and infrared spectroscopic analyses indicated that crystalline parasymplesite (Fe(II)3(AsO4)2.8H2O) was formed when As(V) was removed under anoxic conditions, while an amorphous Fe-As containing precipitate was formed when As(III) was removed under oxic conditions. The distribution of arsenic and iron between the solution and sediments suggested that the oxidation of structural Fe(II) promoted coprecipitation process and inhibited surface complexation. X-ray photoelectron spectroscopic analyses revealed that more As(III) was oxidized under oxic condition, which contributed to a higher sorption capacity for As(III). The formation of parasymplesite through surface complexation/precipitation was proposed to be more effective for the removal of As(V) by CSF, while As(III) was more efficiently removed through coprecipitation. Together, the results suggest that CSF may be an effective material for sequestering both As(III) and As(V). In addition, attention should be paid to the dissolved oxygen content when remediating different arsenic species. PMID- 29209091 TI - Type I interferons drive inflammasome-independent emergency monocytopoiesis during endotoxemia. AB - Emergency monocytopoiesis is an inflammation-driven hematological process that supplies the periphery with monocytes and subsequently with macrophages and monocyte-derived dendritic cells. Yet, the regulatory mechanisms by which early bone marrow myeloid progenitors commit to monocyte-derived phagocytes during endotoxemia remains elusive. Herein, we show that type I interferons signaling promotes the differentiation of monocyte-derived phagocytes at the level of their progenitors during a mouse model of endotoxemia. In this model, we characterized early changes in the numbers of conventional dendritic cells, monocyte-derived antigen-presenting cells and their respective precursors. While loss of caspase 1/11 failed to impair a shift toward monocytopoiesis, we observed sustained type I-IFN-dependent monocyte progenitors differentiation in the bone marrow correlated to an accumulation of Mo-APCs in the spleen. Importantly, IFN-alpha and -beta were found to efficiently generate the development of monocyte-derived antigen-presenting cells while having no impact on the precursor activity of conventional dendritic cells. Consistently, the LPS-driven decrease of conventional dendritic cells and their direct precursor occurred independently of type-I-IFN signaling in vivo. Our characterization of early changes in mononuclear phagocytes and their dependency on type I IFN signaling during sepsis opens the way to the development of treatments for limiting the immunosuppressive state associated with sepsis. PMID- 29209093 TI - Preparation and thermal properties of mineral-supported polyethylene glycol as form-stable composite phase change materials (CPCMs) used in asphalt pavements. AB - Three kinds of mineral-supported polyethylene glycol (PEG) as form-stable composite phase change materials (CPCMs) were prepared to choose the most suitable CPCMs in asphalt pavements for the problems of asphalt pavements rutting diseases and urban heat islands. The microstructure and chemical structure of CPCMs were characterized by SEM, FT-IR and XRD. Thermal properties of the CPCMs were determined by TG and DSC. The maximum PEG absorption of diatomite (DI), expanded perlite (EP) and expanded vermiculite (EVM) could reach 72%, 67% and 73.6%, respectively. The melting temperatures and latent heat of CPCMs are in the range of 52-55 degrees C and 100-115 J/g, respectively. The results show that PEG/EP has the best thermal and chemical stability after 100 times of heating cooling process. Moreover, crystallization fraction results show that PEG/EP has slightly higher latent heats than that of PEG/DI and PEG/EVM. Temperature adjusting asphalt mixture was prepared by substituting the fine aggregates with PEG/EP CPCMs. The upper surface maximum temperature difference of temperature adjusting asphalt mixture reaches about 7.0 degrees C in laboratory, and the surface peak temperature reduces up to 4.3 degrees C in the field experiment during a typical summer day, indicating a great potential application for regulating pavement temperature field and alleviating the urban heat islands. PMID- 29209094 TI - Possible function of the second RecJ-like protein in stalled replication fork repair by interacting with Hef. AB - RecJ was originally identified in Escherichia coli and plays an important role in the DNA repair and recombination pathways. Thermococcus kodakarensis, a hyperthermophilic archaeon, has two RecJ-like nucleases. These proteins are designated as GAN (GINS-associated nuclease) and HAN (Hef-associated nuclease), based on the protein they interact with. GAN is probably a counterpart of Cdc45 in the eukaryotic CMG replicative helicase complex. HAN is considered mainly to function with Hef for restoration of the stalled replication fork. In this study, we characterized HAN to clarify its functions in Thermococcus cells. HAN showed single-strand specific 3' to 5' exonuclease activity, which was stimulated in the presence of Hef. A gene disruption analysis revealed that HAN was non-essential for viability, but the DeltaganDeltahan double mutant did not grow under optimal conditions at 85 degrees C. This deficiency was not fully recovered by introducing the mutant han gene, encoding the nuclease-deficient HAN protein, back into the genome. These results suggest that the unstable replicative helicase complex without GAN performs ineffective fork progression, and thus the stalled fork repair system including HAN becomes more important. The nuclease activity of HAN is required for the function of this protein in T. kodakarensis. PMID- 29209095 TI - Life role salience and subjective well-being among Macedonian employees: Does family-supportive organization perception moderate this relationship. AB - OBJECTIVES: As many studies have shown, one of the most important tendencies of employees nowadays is to achieve work- life balance. Organizations should develop various activities and create supportive climate, within the framework of which employees will have opportunities to realize aforementioned goals which in turn would increase work productivity and work motivation. The aim of this paper was to examine how subjective well-being (life satisfaction and exhaustion) is associated with commitment to work and family roles under the conditions of strongly and weakly perceived organizational support for family life among health care professionals, teachers and bankers in Macedonia. Marriage duration and the number of children were introduced as control variables. MATERIAL AND METHODS: This cross-sectional study was conducted on a sample of 198 full-time employed doctors, nurses, teachers and bankers. Research variables were assessed using self-reported measures/ questionnaires. Hierarchical multiple linear regression was performed for data analysis. RESULTS: It was revealed that occupational role commitment contributed to highly expressed life satisfaction, while exhaustion was predicted by marital role commitment. These relationships were stronger among surveyed employees who reported positive family-supportive organization perception, but tested moderation effect of this variable was not statistically significant. Findings demonstrated that family-supportive organization perception moderated association of the number of children with life satisfaction, that is, participants who perceived an organization as family-supportive and had more children were more satisfied with their life in general. CONCLUSIONS: Results highlighted the importance of organizational orientation toward employees, their commitment to work and family roles, and their subjective well-being, as characteristics that might contribute to higher work engagement, success and family satisfaction. Int J Occup Med Environ Health 2018;31(3):281-291. PMID- 29209096 TI - Letter to the Editor (July 26, 2017) concerning the paper "Impact of electromagnetic radiation emitted by monitors on changes in the cellular membrane structure and protective antioxidant effect of vitamin A - In vitro study". PMID- 29209097 TI - Authors' response (September 1, 2017) to the letter to the Editor concerning the paper "Impact of electromagnetic radiation emitted by monitors on changes in the cellular membrane structure and protective antioxidant effect of vitamin A - In vitro study". PMID- 29209098 TI - The Distribution Frequency of Interferon-Gamma Receptor 1 Gene Polymorphisms in Interferon-gamma Release Assay-Positive Patients. AB - Tuberculosis is caused by mycobacterium, a potentially fatal infectious bacterium. In recent years, TB cases increased in the whole world. WHO statistics data shows that the world's annual tuberculosis incidence was 8~10 million with about 3 million deaths. Several studies have shown that susceptibility to tuberculosis may be associated with IFNGR1 gene polymorphisms. Here, we report the distribution frequency of IFNGR1 gene polymorphisms in 103 cases of IGA negative patients and 100 cases of IGA-positive patients from China by sequencing the IFNGR1 proximal ~750 bp promoter region. We found a total of 5 types of site mutations: -611 (G/A), -56 (T/C), -255 (C/T), -359 (T/C), and -72 (C/T). The two main types of gene polymorphisms among the IGA-negative and IGA-positive groups were -611 (G/A), with mutation rates of 88.3% and 78.4%, respectively, and -56 (T/C), with mutation rates of 84.5% and 83.8%, respectively, which had no statistical significance, and there was no correlation with the incidence of tuberculosis. PMID- 29209100 TI - Corrigendum to "RANTES Gene Polymorphisms Associated with HIV-1 Infections in Kenyan Population". AB - [This corrects the article DOI: 10.1155/2016/4703854.]. PMID- 29209099 TI - Polymorphisms in CCR5Delta32 and Risk of HIV-1 Infection in the Southeast of Caspian Sea, Iran. AB - Prevalence of CCR5Delta32 among blood samples of more than 400 healthy and HIV-1 infected people was investigated in Iran. Polymerase chain reaction (PCR) following DNA extraction was used. Desired frequency was analyzed by Hardy Weinberg equilibrium (HWE) analysis and SPSS 16.0 software to harvest the results. The prevalence of CCRDelta32 heterozygote genotype was 3% in healthy people and 0.7% in HIV-1-infected individuals. There was no homozygote CCR5Delta32 in both groups, and the allele Delta32 was only observed in 1.5% and 0.36% of healthy and HIV-1-infected participants, respectively. Therefore according to this study, the frequency of the allele CCR5Delta32 indicates no significant difference between either groups (p = 0.18) and it sounds that the mentioned mutation in heterozygote people would not affect their susceptibility against HIV infection. Genotyping trial in Iranians with HIV infection is supposed to be helpful as a matter of prognostic purposes. PMID- 29209101 TI - Role of Microvessels in Oxygen Supply to Tissue. AB - Since the early work of August Krogh in 1919, capillaries have been assumed to be the sole supplier of oxygen for tissue. Recent studies provide convincing evidence that other microvessels also contribute to tissue oxygenation and that capillaries play a much more complex role than originally proposed by Krogh. PMID- 29209102 TI - The Incidence of Depression among the Population of Central Kazakhstan and Its Relationship with Sociodemographic Characteristics. AB - It has been established that the presence of depression is accompanied by an increased risk of morbidity and mortality in cerebrovascular and cardiovascular diseases and diabetes. The aim of this research was to estimate depressive symptom prevalence among the population in Central Kazakhstan and to define the relationship with social-demographic and behavioral factors. 1820 respondents of the population of Central Kazakhstan, aged 25 to 65, were performed. Participants included 777 urban and 1043 rural residents. Depressive symptoms assessed with the Patient Health Questionnaire (PHQ-9). The results showed that some degree of depressive symptoms was detected in 75.7% of the respondents. A minimal degree of depressive symptoms was observed in 28.51%, mild in 27.7%, moderate in 13.7%, and severe and very severe degree of depressive symptoms in 4.6% and 1.2%, respectively; the absence of depression symptoms was reported in 24.3% of the respondents. The study found a relationship between the prevalence of depressive symptoms and factors such as gender, education, income, presence of chronic diseases, and physical activity. We have not found a correlation between the frequencies of depressive symptoms with age, employment, character of labor, and marital status. PMID- 29209104 TI - T-Cell Subsets in Rheumatoid Arthritis Patients on Long-Term Anti-TNF or IL-6 Receptor Blocker Therapy. AB - Data on the impact of biological therapies on the T-cell phenotype in rheumatoid arthritis are limited. Here, we prospectively measured the percentages of 15 circulating T-cell subtypes using flow cytometry. We obtained transversal and longitudinal data in 30 anti-TNF responders, 19 secondary anti-TNF nonresponders, and 43 IL-6R antagonist responders, before, 8 weeks and at least 6 months after biological therapy. Untreated RA patients and healthy controls were also included. The important findings are the following: (1) the proportion of regulatory T-cells (Tregs) which are decreased in untreated RA patients becomes normal in all long-term-treated groups; (2) in anti-TNF responders as well as in nonresponders, the frequencies of naive CD4+ and CD8+ cells are lower, whereas those of proinflammatory Th1, Th2, and Th17 cells and HLA-DR+-activated cells are higher than those in untreated RA or healthy controls; (3) in IL-6R responders, Th1 proportion is decreased, while that of Th2 and Th17 is increased as compared to that in anti-TNF-treated patients and controls; (4) pending confirmation, a CD4CD69 ratio < 2.43 at baseline, could be useful to predict a good therapeutic response to anti-TNF therapy. This study provides comprehensive information regarding the long-term impacts of those biological therapies on the ecotaxis of T-cells in RA. The ClinicalTrials.gov registration number of our study is NCT03266822. PMID- 29209105 TI - Effects of NSAIDs on the Release of Calcitonin Gene-Related Peptide and Prostaglandin E2 from Rat Trigeminal Ganglia. AB - Nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently used to treat migraine, but the mechanisms of their effects in this pathology are not fully elucidated. The trigeminal ganglia and calcitonin gene-related peptide (CGRP) have been implicated in the pathophysiology of migraine. The release of CGRP and prostaglandin E2 (PGE2) from freshly isolated rat trigeminal ganglia was evaluated after oral administration of nimesulide, etoricoxib, and ketoprofen, NSAIDs with different pharmacological features. Thirty minutes after oral administration, nimesulide, 10 mg/Kg, decreased the GCRP release induced by an inflammatory soup, while the other NSAIDs were ineffective at this point in time. Two hours after oral nimesulide (5 and 10 mg/Kg) and ketoprofen (10 mg/Kg), but not of etoricoxib, a significant decrease in the CGRP release was observed. All drugs reduced PGE2, although with some differences in timing and doses, and the action on CGRP does not seem to be related to PGE2 inhibition. The reduction of CGRP release from rat trigeminal ganglia after nimesulide and ketoprofen may help to explain the mechanism of action of NSAIDs in migraine. Since at 30 minutes only nimesulide was effective in reducing CGRP release, these results suggest that this NSAID may exert a particularly rapid effect in patients with migraine. PMID- 29209106 TI - Noncoding RNAs as drivers of the phenotypic plasticity of oesophageal mucosa. AB - The histological commitment of the lower oesophageal mucosa largely depends on a complex molecular landscape. After extended inflammatory insult due to gastroesophageal reflux disease, squamous oesophageal mucosa may differentiate into columnar metaplastic mucosa. In this setting, the presence of intestinal metaplasia is considered the starting point of Barrett's carcinogenetic cascade. Aside from secondary prevention strategies for Barrett's mucosa (BM) patients, there are multiple endoscopic ablative therapies available for BM eradication and for the replacement of metaplastic epithelia with a neosquamous mucosa. However, BM frequently recurs in a few years, which supports the notable phenotypic plasticity of the oesophageal mucosa. In recent years, several reports pinpointed a class of small noncoding RNAs, the microRNAs (miRNAs), as principal effectors and regulators of oesophageal mucosa metaplastic (and neoplastic) transformation. Because of miRNAs notable stability in fixed archival diagnostic specimens, expression profiling of miRNAs represent an innovative diagnostic, prognostic and predictive tool in the stratification of phenotypic alterations in the oesophageal mucosa. PMID- 29209103 TI - HIV as a Cause of Immune Activation and Immunosenescence. AB - Systemic immune activation has emerged as an essential component of the immunopathogenesis of HIV. It not only leads to faster disease progression, but also to accelerated decline of overall immune competence. HIV-associated immune activation is characterized by an increase in proinflammatory mediators, dysfunctional T regulatory cells, and a pattern of T-cell-senescent phenotypes similar to those seen in the elderly. These changes predispose HIV-infected persons to comorbid conditions that have been linked to immunosenescence and inflamm-ageing, such as atherosclerosis and cardiovascular disease, neurodegeneration, and cancer. In the antiretroviral treatment era, development of such non-AIDS-defining, age-related comorbidities is a major cause of morbidity and mortality. Treatment strategies aimed at curtailing persistent immune activation and inflammation may help prevent the development of these conditions. At present, the most effective strategy appears to be early antiretroviral treatment initiation. No other treatment interventions have been found effective in large-scale clinical trials, and no adjunctive treatment is currently recommended in international HIV treatment guidelines. This article reviews the role of systemic immune activation in the immunopathogenesis of HIV infection, its causes and the clinical implications linked to immunosenescence in adults, and the therapeutic interventions that have been investigated. PMID- 29209107 TI - Functional interaction of endoplasmic reticulum stress and hepatitis B virus in the pathogenesis of liver diseases. AB - Hepatitis B virus (HBV) is a non-cytopathic virus that causes acute and chronic inflammatory liver diseases, often leading to the pathogenesis of hepatocellular carcinoma (HCC). Although many studies for the roles of HBV on pathogenesis of the liver diseases, such as non-alcoholic fatty liver disease (NAFLD), hepatic inflammation, cirrhosis, and HCC, have been reported, the mechanisms are not fully understood. Endoplasmic reticulum (ER) and mitochondria have the protective mechanisms to restore their damaged function by intrinsic or extrinsic stresses, but their chronic dysfunctions are associated with the pathogenesis of the various diseases. Furthermore, HBV can affect intra- or extracellular homeostasis through induction of ER and mitochondrial dysfunctions, leading to liver injury. Therefore, the mechanism by which HBV induces ER or mitochondrial stresses may be a therapeutic target for treatment of liver diseases. PMID- 29209108 TI - Pathological process of liver sinusoidal endothelial cells in liver diseases. AB - Cirrhosis develops from liver fibrosis and is the severe pathological stage of all chronic liver injury. Cirrhosis caused by hepatitis B virus and hepatitis C virus infection is especially common. Liver fibrosis and cirrhosis involve excess production of extracellular matrix, which is closely related to liver sinusoidal endothelial cells (LSECs). Damaged LSECs can synthesize transforming growth factor-beta and platelet-derived growth factor, which activate hepatic stellate cells and facilitate the synthesis of extracellular matrix. Herein, we highlight the angiogenic cytokines of LSECs related to liver fibrosis and cirrhosis at different stages and focus on the formation and development of liver fibrosis and cirrhosis. Inhibition of LSEC angiogenesis and antiangiogenic therapy are described in detail. Targeting LSECs has high therapeutic potential for liver diseases. Further understanding of the mechanism of action will provide stronger evidence for the development of anti-LSEC drugs and new directions for diagnosis and treatment of liver diseases. PMID- 29209109 TI - Resveratrol modifies biliary secretion of cholephilic compounds in sham-operated and cholestatic rats. AB - AIM: To investigate the effect of resveratrol on biliary secretion of cholephilic compounds in healthy and bile duct-obstructed rats. METHODS: Resveratrol (RSV) or saline were administered to rats by daily oral gavage for 28 d after sham operation or reversible bile duct obstruction (BDO). Bile was collected 24 h after the last gavage during an intravenous bolus dose of the Mdr1/Mrp2 substrate azithromycin. Bile acids, glutathione and azithromycin were measured in bile to quantify their level of biliary secretion. Liver expression of enzymes and transporters relevant for bile production and biliary secretion of major bile constituents and drugs were analyzed at the mRNA and protein levels using qRT-PCR and Western blot analysis, respectively. The TR-FRET PXR Competitive Binding Assay kit was used to determine the agonism of RSV at the pregnane X receptor. RESULTS: RSV increased bile flow in sham-operated rats due to increased biliary secretion of bile acids (BA) and glutathione. This effect was accompanied by the induction of the hepatic rate-limiting transporters for bile acids and glutathione, Bsep and Mrp2, respectively. RSV also induced Cyp7a1, an enzyme that is crucial for bile acid synthesis; Mrp4, a transporter important for BA secretion from hepatocytes to blood; and Mdr1, the major apical transporter for xenobiotics. The findings were supported by increased biliary secretion of azithromycin. The TR-FRET PXR competitive binding assay confirmed RSV as a weak agonist of the human nuclear receptor PXR, which is a transcriptional regulator of Mdr1/Mrp2. RSV demonstrated significant hepatoprotective properties against BDO-induced cirrhosis. RSV also reduced bile flow in BDO rats without any corresponding change in the levels of the transporters and enzymes involved in RSV-mediated hepatoprotection. CONCLUSION: Resveratrol administration for 28 d has a distinct effect on bile flow and biliary secretion of cholephilic compounds in healthy and bile duct-obstructed rats. PMID- 29209110 TI - Chitinase 3-like 1 secreted by peritumoral macrophages in esophageal squamous cell carcinoma is a favorable prognostic factor for survival. AB - AIM: To identify whether chitinase 3-like 1 (CHI3L1) serves as a suitable biomarker for the prognosis of esophageal squamous cell carcinoma (ESCC) and to analyze this protein's cellular source. METHODS: An ELISA was conducted to detect the concentration of CHI3L1 in the serum of 150 ESCC patients diagnosed between January 2001 and February 2005. The prognostic relevance of CHI3L1 was evaluated by a Kaplan-Meier and Cox regression analysis. The immunohistochemistry was reanalyzed, and fluorescent staining was utilized to explore the cellular origins of CHI3L1. We stimulated monocyte-derived macrophages (MDMs) with either IL-6 or the supernatant of the ESCC cell line Eca-109 and later investigated the level of CHI3L1 by qPCR and ELISA. RESULTS: The level of serum CHI3L1 was higher in older patients (>= 60) than in patients under the age of 60 (P = 0.001). The patients with higher levels of CHI3L1 had a significantly shorter overall survival, whereas the traditional markers, carcinoembryonic antigen and squamous cell carcinoma antigen, were less effective (P > 0.05). A multivariate Cox analysis (P = 0.001) indicated that CHI3L1 was an independent prognostic factor for ESCC patients. Peritumoral macrophages in ESCC exhibited high levels of CHI3L1. Interleukin-6 (IL-6) and the supernatant of Eca-109 containing IL-6 stimulated MDMs to secrete CHI3L1. The serum concentration of CHI3L1 in the ESCC patients showed a weak correlation with the laboratory inflammatory parameters neutrophil (NEU, P = 0.045), neutrophil/lymphocyte rate (NLR, P = 0.016), and C-reactive protein (CRP, P < 0.001). CONCLUSION: Our study first established a connection between the pretreated CHI3L1 and patients with ESCC, and the serum CHI3L1 was primarily secreted by ESCC-surrounded macrophages. PMID- 29209111 TI - Palmitate induces fat accumulation by activating C/EBPbeta-mediated G0S2 expression in HepG2 cells. AB - AIM: To determine the role of G0/G1 switch gene 2 (G0S2) and its transcriptional regulation in palmitate-induced hepatic lipid accumulation. METHODS: HepG2 cells were treated with palmitate, or palmitate in combination with CCAAT/enhancer binding protein (C/EBP)beta siRNA or G0S2 siRNA. The mRNA expression of C/EBPbeta, peroxisome proliferator-activated receptor (PPAR)gamma and PPARgamma target genes (G0S2, GPR81, GPR109A and Adipoq) was examined by qPCR. The protein expression of C/EBPbeta, PPARgamma, and G0S2 was determined by Western blotting. Lipid accumulation was detected with Oil Red O staining and quantified by absorbance value of the extracted Oil Red O dye. Lipolysis was evaluated by measuring the amount of glycerol released into the medium. RESULTS: Palmitate caused a dose-dependent increase in lipid accumulation and a dose-dependent decrease in lipolysis in HepG2 cells. In addition, palmitate increased the mRNA expression of C/EBPbeta, PPARgamma, and PPARgamma target genes (G0S2, GPR81, GPR109A, and Adipoq) and the protein expression of C/EBPbeta, PPARgamma, and G0S2 in a dose-dependent manner. Knockdown of C/EBPbeta decreased palmitate-induced PPARgamma and its target genes (G0S2, GPR81, GPR109A, and Adipoq) mRNA expression and palmitate-induced PPARgamma and G0S2 protein expression in HepG2 cells. Knockdown of C/EBPbeta also attenuated lipid accumulation and augmented lipolysis in palmitate-treated HepG2 cells. G0S2 knockdown attenuated lipid accumulation and augmented lipolysis, while G0S2 knockdown had no effects on the mRNA expression of C/EBPbeta, PPARgamma, and PPARgamma target genes (GPR81, GPR109A and Adipoq) in palmitate-treated HepG2 cells. CONCLUSION: Palmitate can induce lipid accumulation in HepG2 cells by activating C/EBPbeta-mediated G0S2 expression. PMID- 29209112 TI - Epidemiology and natural history of Wilson's disease in the Chinese: A territory based study in Hong Kong between 2000 and 2016. AB - AIM: To investigate the epidemiology and natural history of Wilson's disease in the Chinese. METHODS: Data were retrieved via electronic search of hospital medical registry of the Hong Kong Hospital Authority, which covers all the public healthcare services. We identified cases of Wilson's disease between 2000 and 2016 by the International Classification of Diseases (ICD)-9 code. We analyzed the incidence rate, prevalence and adverse outcomes of Wilson's disease. RESULTS: We identified 211 patients (male cases 104; female cases 107; median age 27.2 years, IQR: 17.1-38.6 years; duration of follow-up 8.0 years, IQR: 5.0-14.0 years). The average annual incidence rate was 1.44 per million person-years while the prevalence was 17.93 per million. Between 2000 and 2016, there was a decrease in the annual incidence rate from 1.65 to 1.23 per million person-years (P = 0.010), whereas there was an increase in the annual prevalence from 7.80 to 25.20 per million (P < 0.001). Among the 176 cases with hepatic involvement, 38 (21.6%) had cirrhosis, three (1.7%) developed hepatocellular carcinoma, 24 (13.6%) underwent liver transplantations, and 26 (14.8%) died. Seven patients had concomitant chronic viral hepatitis B or C. The 5-year and 10-years rates of overall survival were 92.6% and 89.5%, and for transplant-free survival rates 91.8% and 87.4%, respectively. Cirrhosis and possibly chronic viral hepatitis were associated with poorer overall survival. CONCLUSION: There was a significant increase in the prevalence of Wilson's disease in Hong Kong. The prognosis was favorable except for those with cirrhosis or concomitant viral hepatitis. PMID- 29209113 TI - Efficacy of thalidomide therapy in pediatric Crohn's disease with evidence of tuberculosis. AB - AIM: To evaluate the efficacy of thalidomide for treating troublesome cases of pediatric Crohn's disease (CD) with tuberculosis infection. METHODS: A retrospective study of clinical outcome among children treated with thalidomide was conducted. All patients had evidence of tuberculosis infection with a failure of anti-tuberculosis treatment for more than one year, and were subsequently diagnosed with CD. All the patients received thalidomide treatment with a starting dose of 1.2-2.5 mg/kg per day. Remission was defined as pediatric CD activity index less than or equal to 10. RESULTS: Ten patients with CD were treated with thalidomide at an average age of 7.2 years and followed up for a median of 22.2 mo. Clinical remission rate was 60% after 9-12 mo of thalidomide treatment. One patient with no response had an interleukin-10 receptor alpha gene mutation. Erythrocyte sedimentation rate, C-reactive protein and platelet count showed a dramatic decrease; hemoglobin level and weight improved significantly after thalidomide treatment when compared with the baseline values. CONCLUSION: Thalidomide is an effective and safe drug for remission of CD in pediatric patients who have been treated for tuberculosis. PMID- 29209114 TI - Combined endovascular brachytherapy, sorafenib, and transarterial chemobolization therapy for hepatocellular carcinoma patients with portal vein tumor thrombus. AB - AIM: To evaluate the safety and efficacy of combined endovascular brachytherapy (EVBT), transarterial chemoembolization (TACE), and sorafenib to treat hepatocellular carcinoma (HCC) patients with main portal vein tumor thrombus (MPVTT). METHODS: This single-center retrospective study involved 68 patients with unresectable HCC or those who were unfit for liver transplantation and percutaneous frequency ablation according to the BCLC classification. All patients had Child-Pugh classification grade A or B, Eastern Cooperative Oncology Group (ECOG) performance status of 0-2, and MPVTT. The patients received either EVBT with stent placement, TACE, and sorafenib (group A, n = 37), or TACE with sorafenib (group B, n = 31). The time to progression (TTP) and overall survival (OS) were evaluated by propensity score analysis. RESULTS: In the entire cohort, the 6-, 12-, and 24-mo survival rates were 88.9%, 54.3%, and 14.1% in group A, and 45.8%, 0%, and 0% in group B, respectively (P < 0.001). The median TTP and OS were significantly longer in group A than group B (TTP: 9.0 mo vs 3.4 mo, P < 0.001; OS: 12.3 mo vs 5.2 mo, P < 0.001). In the propensity score-matched cohort, the median OS was longer in group A than in group B (10.3 mo vs 6.0 mo, P < 0.001). Similarly, the median TTP was longer in group A than in group B (9.0 mo vs 3.4 mo, P < 0.001). Multivariate Cox analysis revealed that the EVBT combined with stent placement, TACE, and sorafenib strategy was an independent predictor of favorable OS (HR = 0.18, P < 0.001). CONCLUSION: EVBT combined with stent placement, TACE, and sorafenib might be a safe and effective palliative treatment option for MPVTT. PMID- 29209115 TI - Procedure-related complications in gastric variceal obturation with tissue glue. AB - AIM: To focus on procedure-related complications, evaluate their incidence, analyze the reasons and discuss the solutions. METHODS: Overall, 628 endoscopic gastric variceal obturation (EGVO) procedures (case-times) with NBC were performed in 519 patients in the Department of Endoscopy of the Third Affiliated Hospital of Sun Yat-Sen University from January 2011 to December 2016. The clinical data of patients and procedure-related complications of EGVO were retrospectively analyzed. RESULTS: In the 628 EGVO procedures, sticking of the needle to the varix occurred in 9 cases (1.43%), including 1 case that used lipiodol-diluted NBC and 8 cases that used undiluted NBC (P = 0.000). The needle was successfully withdrawn in 8 cases. Large spurt bleeding occurred in one case, and hemostasis was achieved by two other injections of undiluted glue. The injection catheter became blocked in 17 cases (2.71%) just during the injection, and 4 cases were complicated with the needle sticking to the varix. Large glue adhesion to the endoscope resulted in difficulty withdrawing the endoscope in 1 case. Bleeding from multiple sites was observed in the esophagus and gastric cardia after the endoscope was withdrawn. Hemostasis was achieved by 1% aethoxysklerol injection and intravenous somatostatin. The ligation device stuck to the varices in two cases during the subsequent endoscopic variceal ligation. In one case, the ligation device was successfully separated from the esophageal varix after all bands were released. In another case, a laceration of the vein and massive bleeding were observed. The bleeding ceased after 1% aethoxysklerol injection. CONCLUSION: Although EGVO with tissue glue is usually safe and effective, a series of complications can occur during the procedure that may puzzle endoscopists. There is no standard operating procedure for addressing these complications. The cases described in the current study can provide some reference for others. PMID- 29209116 TI - Gastric xanthelasma and metabolic disorders: A large retrospective study among Chinese population. AB - AIM: To gain knowledge of xanthelasma, a large population-based study was conducted. METHODS: Patients who underwent upper gastrointestinal endoscopy at the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China during Jan 2009 to Nov 2016 were included. General characteristics as well as clinical data were collected, including blood routine, serum biochemical analysis, endoscopic findinds, histological evaluation and comorbiditie. Statistical analyses was performed using SPSS 20.0 software for Windows (IBM Inc., Chicago, IL, United States) using Student's t-test, Mann Whitney U test, chi2 test, univariable and multivariable logistic analysis. 2 tailed P value less than 0.05 was considered to be statistically significant. RESULTS: A total of 176006 endoscopies were retrieved and we included 1370 xanthelasma participants (703 men, 667 women) in this study. Prevalence of xanthelasma was 0.78% with average age of 56.6 +/- 11.2 years. Chief complaint of xanthelasma consisted abdominal pain (24.2%), up-abdominal discomfort (14.1%), abdominal distention (10.1%), dyspepsia (9.1%), et al. Most xanthelasma occurred as single lesion in gastric antrum. Xanthelasma patients witnessed higher Helicobacter pylori (H. pylori) infection rate, more of other gastric lesions including atrophy, intestinal metaplasia and dysplasia (P < 0.01). In xanthelasma patients, serum carcinoembryonic antigen, triglyceride, fasting glucose, neutrophil, neutrophil-to-lymphocyte ratio were significantly higher, and high density lipoprotein-cholesterol, lymphocyte was lower (P < 0.05). Xanthelasma accompanied with more fatty liver disease and hepatic cyst, but fewer gallbladder polyp (P < 0.05). In logistic regression, it revealed that fasting plasma glucose (OR = 3.347, 1.170-9.575, P < 0.05), neutrophil (OR = 1.617, 1.003-2.605, P < 0.05), and carcinoembryonic antigen (OR = 2.011, 1.236-3.271, P < 0.01) were all independent risk factors in xanthelasma. CONCLUSION: Current study described a large xanthelasma cohort in Chinese population, revealed its relationship with H. pylori infection, carcinogenesis, metabolic dysfunction and inflammation as well. PMID- 29209117 TI - Application of superb microvascular imaging in focal liver lesions. AB - AIM: To explore the ability of superb microvascular imaging (SMI) in differential diagnosis of focal liver lesions (FLLs) and to compare SMI morphology findings to those of color Doppler ultrasound and enhanced imaging. METHODS: Twenty-four patients with 31 FLLs were included in our study, with diagnoses of hemangioma (HE) (n = 17), hepatocellular carcinoma (HCC) (n = 5), metastatic lesions (n = 5), primary hepatic lymphoma (n = 1), focal nodular hyperplasia (FNH) (n = 2), and adenoma (n = 1). Nine lesions were pathologically diagnosed, and 22 lesions were radiologically confirmed, all of which were evaluated by at least two types of enhanced imaging techniques. All patients had undergone SMI. Patients were divided into subgroups based on pathological and radiological diagnoses to analyze SMI manifestations. We also compared the SMI manifestations of the most common malignant FLLs (HCCs and metastatic lesions) with those of the most common benign FLLs (HEs). RESULTS: HEs were classified into three SMI subgroups: diffuse dot-like type (n = 6), strip rim type (n = 8), and nodular rim type (n = 3). The sizes of the three types of HEs were significantly different (P = 0.00, < 0.05). HCCs were classified into two subgroups: diffuse honeycomb type (n = 2) and non specific type (n = 3). Four of the metastatic lesions were the strip rim type, and the other metastatic lesion was the thick rim type, which is the same as that of lymphoma. FNH was described as a spoke-wheel type, and adenoma as a diffuse honeycomb type. The SMI types of HCCs and metastatic lesions were significantly different from those of HEs (P = 0.048, < 0.05). CONCLUSION: SMI technology enables microvascular evaluation of FLLs without using any contrast agent. For HEs, lesion size may affect SMI performance. SMI is able to provide useful information for differential diagnosis of HCCs and metastatic lesions from HEs. PMID- 29209118 TI - Chronic liver disease is universal in children with biliary atresia living with native liver. AB - AIM: To examine the medical status of children with biliary atresia (BA) surviving with native livers. METHODS: In this cross-sectional review, data collected included complications of chronic liver disease (CLD) (cholangitis in the preceding 12 mo, portal hypertension, variceal bleeding, fractures, hepatopulmonary syndrome, portopulmonary hypertension) and laboratory indices (white cell and platelet counts, total bilirubin, albumin, international normalized ratio, alanine aminotransferase, aspartate aminotransferase, gamma glutamyl transpeptidase). Ideal medical outcome was defined as absence of clinical evidence of CLD or abnormal laboratory indices. RESULTS: Fifty-two children [females = 32, 62%; median age 7.4 years, n = 35 (67%) older than 5 years] with BA (median age at surgery 60 d, range of 30 to 148 d) survived with native liver. Common complications of CLD noted were portal hypertension (40%, n = 21; 2 younger than 5 years), cholangitis (36%) and bleeding varices (25%, n = 13; 1 younger than 5 years). Fifteen (29%) had no clinical complications of CLD and three (6%) had normal laboratory indices. Ideal medical outcome was only seen in 1 patient (2%). CONCLUSION: Clinical or laboratory evidence of CLD are present in 98% of children with BA living with native livers after hepatoportoenterostomy. Portal hypertension and variceal bleeding may be seen in children younger than 5 years of age, underscoring the importance of medical surveillance for complications of BA starting at a young age. PMID- 29209119 TI - How severe is moderately severe acute pancreatitis? Clinical validation of revised 2012 Atlanta Classification. AB - AIM: To explore the outcomes and the appropriate treatment for patients with moderately severe acute pancreatitis (AP). METHODS: Statistical analysis was performed on data from the prospectively collected database of 103 AP patients admitted to the Department of Surgery, Hospital of Lithuanian University of Health Sciences in 2008-2013. All patients were confirmed to have the diagnosis of AP during the first 24 h following admission. The severity of pancreatitis was assessed by MODS and APACHE II scale. Clinical course was re-evaluated after 24, 48 and 72 h. All patients were categorized into 3 groups based on Atlanta 2012 classification: Mild, moderately severe, and severe. Outcomes and management in moderately severe group were also compared to mild and severe cases according to Atlanta 1992 and 2012 classification. RESULTS: Fifty-three-point four percent of patients had edematous while 46.6 % were diagnosed with necrotic AP. The most common cause of AP was alcohol (42.7%) followed by alimentary (26.2%), biliary (26.2%) and idiopathic (4.9%). Under Atlanta 1992 classification 56 (54.4%) cases were classified as "mild" and 47 (45.6%) as "severe". Using the revised classification (Atlanta 2012), the patient stratification was different: 49 (47.6%) mild, 27 (26.2%) moderately severe and 27 (26.2%) severe AP cases. The two severe groups (Atlanta 1992 and Revised Atlanta 2012) did not show statistically significant differences in clinical parameters, including ICU stay, need for interventional treatment, infected pancreatic necrosis or mortality rates. The moderately severe group of 27 patients (according to Atlanta 2012) had significantly better outcomes when compared to those 47 patients classified as severe form of AP (according to Atlanta 1992) with lower incidence of necrosis and sepsis, lower APACHE II (P = 0.002) and MODS (P = 0.001) scores, shorter ICU stay, decreased need for interventional and surgical treatment. CONCLUSION: Study shows that Atlanta 2012 criteria are more accurate, reduce unnecessary treatments for patients with mild and moderate severe pancreatitis, potentially resulting in health costs savings. PMID- 29209120 TI - Laparoscopic VS open hepatectomy for hepatolithiasis: An updated systematic review and meta-analysis. AB - AIM: To perform a meta-analysis on laparoscopic hepatectomy VS conventional liver resection for treating hepatolithiasis. METHODS: We conducted a systematic literature search on PubMed, Embase, Web of Science and Cochrane Library, and undertook a meta-analysis to compare the efficacy and safety of laparoscopic hepatectomy VS conventional open liver resection for local hepatolithiasis in the left or right lobe. Intraoperative and postoperative outcomes (time, estimated blood loss, blood transfusion rate, postoperative intestinal function recovery time, length of hospital stay, postoperative complication rate, initial residual stone, final residual stone and stone recurrence) were analyzed systematically. RESULTS: A comprehensive literature search retrieved 16 publications with a total of 1329 cases. Meta-analysis of these studies showed that the laparoscopic approach for hepatolithiasis was associated with significantly less intraoperative estimated blood loss [weighted mean difference (WMD): 61.56, 95% confidence interval (CI): 14.91-108.20, P = 0.01], lower blood transfusion rate [odds ratio (OR): 0.41, 95%CI: 0.22-0.79, P = 0.008], shorter intestinal function recovery time (WMD: 0.98, 95%CI: 0.47-1.48, P = 0.01), lower total postoperative complication rate (OR: 0.52, 95%CI: 0.39-0.70, P < 0.0001) and shorter stay in hospital (WMD: 3.32, 95%CI: 2.32-4.32, P < 0.00001). In addition, our results showed no significant differences between the two groups in operative time (WMD: 21.49, 95%CI: 0.27-43.24, P = 0.05), residual stones (OR: 0.79, 95%CI: 0.50-1.25, P = 0.31) and stone recurrence (OR: 0.34, 95%CI: 0.11-1.08, P = 0.07). Furthermore, with subgroups analysis, our results proved that the laparoscopic approach for hepatolithiasis in the left lateral lobe and left side could achieve satisfactory therapeutic effects. CONCLUSION: The laparoscopic approach is safe and effective, with less intraoperative estimated blood loss, fewer postoperative complications, reduced length of hospital stay and shorter intestinal function recovery time than with conventional approaches. PMID- 29209121 TI - Fatal gastrointestinal histoplasmosis 15 years after orthotopic liver transplantation. AB - We report a case of ileo-colonic Histoplasmosis without apparent respiratory involvement in a patient who had previously undergone an orthotopic liver transplant (OLT) for primary biliary cholangitis 15 years earlier. The recipient lived in the United Kingdom, a non-endemic region for Histoplasmosis. However, she had previously lived in rural southern Africa prior to her OLT. The patient presented with iron deficiency anaemia, diarrhoea, abdominal pain and progressive weight loss. She reported no previous foreign travel, however, it later became known that following her OLT she had been on holiday to rural southern Africa. On investigation, a mild granulomatous colitis primarily affecting the right colon was identified, that initially improved with mesalazine. Her symptoms worsened after 18 mo with progressive ulceration of her distal small bowel and right colon. Mycobacterial, Yersinia, cytomegalovirus and human immunodeficiency virus infections were excluded and the patient was treated with prednisolone for a working diagnosis of Crohn's disease. Despite some early symptom improvement following steroids, there was subsequent deterioration with the patient developing gram-negative sepsis and multi-organ failure, leading to her death. Post-mortem examination revealed that her ileo-colonic inflammation was caused by Histoplasmosis. PMID- 29209122 TI - Advances in endoscopic balloon therapy for weight loss and its limitations. AB - The field of medical and surgical weight loss is undergoing an explosion of new techniques and devices. A lot of these are geared towards endoscopic approaches rather than the conventional and more invasive laparoscopic or open approach. One such recent advance is the introduction of intrgastric balloons. In this article, we discuss the recently Food and Drug Administration approved following balloons for weight loss: the OrberaTM Intragastric Balloon System (Apollo Endosurgery Inc, Austin, TX, United States), the ReShape(r) Integrated Dual Balloon System (ReShape Medical, Inc., San Clemente, CA, United States), and the Obalon (Obalon(r) Therapeutics, Inc.). The individual features of each of these balloons, the method of introduction and removal, and the expected weight loss and possible complications are discussed. This review of the various balloons highlights the innovation in the field of weight loss. PMID- 29209123 TI - Prediction of early-stage hepatocellular carcinoma using OncoScan chromosomal copy number aberration data. AB - AIM: To identify chromosomal copy number aberrations (CNAs) in early-stage hepatocellular carcinoma (HCC) and analyze whether they are correlated with patient prognosis. METHODS: One hundred and twenty patients with early-stage HCC were enrolled in our study, with the collection of formalin fixed, paraffin embedded (FFPE) specimens and clinicopathological data. Tumor areas were marked by certified pathologists on a hematoxylin and eosin-stained slide, and cancer and adjacent non-cancerous tissues underwent extraction of DNA, which was analyzed with the Affymetrix OncoScan platform to assess CNAs and loss of heterozygosity (LOH). Ten individuals with nonmalignant disease were used as the control group. Another cohort consisting of 40 patients with stage I/II HCC were enrolled to analyze gene expression and to correlate findings with the OncoScan data. RESULTS: Copy number amplifications occurred at chromosomes 1q21.1-q44 and 8q12.3-24.3 and deletions were found at 4q13.1-q35.2, 8p 23.2-21.1, 16q23.3-24.3, and 17p13.3-12, while LOH commonly occurred at 1p32.3, 3p21.31, 8p23.2-21.1, 16q22.1-24.3, and 17p 13.3-11 in early-stage HCC. Using Cox regression analysis, we also found that a higher percentage of genome change (>= 60%) was an independent factor for worse prognosis in early-stage HCC (P = 0.031). Among the 875 genes in the OncoScan GeneChip, six were independent predictors of worse disease-free survival, of which three were amplified (MYC, ELAC2, and SYK) and three were deleted (GAK, MECOM, and WRN). Further, patients with HCC who exhibited >= 3 CNAs involving these six genes have worse outcomes compared to those who had < 3 CNAs (P < 0.001). Similarly, Asian patients with stage I HCC from The Cancer Genome Atlas harboring CNAs with these genes were also predicted to have poorer outcomes. CONCLUSION: Patients with early-stage HCC and increased genome change or CNAs involving MYC, ELAC2, SYK, GAK, MECOM, or WRN are at risk for poorer outcome after resection. PMID- 29209124 TI - Composition and immuno-stimulatory properties of extracellular DNA from mouse gut flora. AB - AIM: To demonstrate that specific bacteria might release bacterial extracellular DNA (eDNA) to exert immunomodulatory functions in the mouse small intestine. METHODS: Extracellular DNA was extracted using phosphate buffered saline with 0.5 mmol/L dithiothreitol combined with two phenol extractions. TOTO-1 iodide, a cell impermeant and high-affinity nucleic acid stain, was used to confirm the existence of eDNA in the mucus layers of the small intestine and colon in healthy Male C57BL/6 mice. Composition difference of eDNA and intracellular DNA (iDNA) of the small intestinal mucus was studied by Illumina sequencing and terminal restriction fragment length polymorphism (T-RFLP). Stimulation of cytokine production by eDNA was studied in RAW264.7 cells in vitro. RESULTS: TOTO-1 iodide staining confirmed existence of eDNA in loose mucus layer of the mouse colon and thin surface mucus layer of the small intestine. Illumina sequencing analysis and T-RFLP revealed that the composition of the eDNA in the small intestinal mucus was significantly different from that of the iDNA of the small intestinal mucus bacteria. Illumina Miseq sequencing showed that the eDNA sequences came mainly from Gram-negative bacteria of Bacteroidales S24-7. By contrast, predominant bacteria of the small intestinal flora comprised Gram-positive bacteria. Both eDNA and iDNA were added to native or lipopolysaccharide-stimulated Raw267.4 macrophages, respectively. The eDNA induced significantly lower tumor necrosis factor-alpha/interleukin-10 (IL-10) and IL-6/IL-10 ratios than iDNA, suggesting the predominance for maintaining immune homeostasis of the gut. CONCLUSION: Our results indicated that degraded bacterial genomic DNA was mainly released by Gram negative bacteria, especially Bacteroidales-S24-7 and Stenotrophomonas genus in gut mucus of mice. They decreased pro-inflammatory activity compared to total gut flora genomic DNA. PMID- 29209125 TI - Transmitted cardiovascular pulsations on high resolution esophageal impedance manometry, and their significance in dysphagia. AB - AIM: To investigate the behavior of pulsatile pressure zones (PPZ's) as noted on high resolution esophageal impedance manometry (HREIM), and determine their association with dysphagia. METHODS: Retrospective, single center case control design screening HREIM studies for cases (dysphagia) and controls (no dysphagia). Thoracic radiology studies were reviewed further in cases for (thoracic cardiovascular) thoracic cardiovascular (TCV) structures in esophageal proximity to compare with HREIM findings. Manometric data was collected for number, location, axial length, PPZ pressure and esophageal clearance function (impedance). RESULTS: Among 317 screened patients, 56% cases and 64% controls had PPZ's. Fifty cases had an available thoracic radiology comparison. The distribution of PPZ's in these 50 cases and 59 controls was similar (average 1.4 PPZ/patient). Controls (mean 31.2 +/- SD 12 years) were a significantly younger population than cases (mean 67.3 +/- SD 14.9 years) with P < 0.0001. The upright posture PPZ pressure was higher in controls (15.7 +/- 10.0 mmHg) than cases (10.8 +/- 9.7 mmHg). Although statistically significant (P = 0.005), it was a weak predictor using logistic regression and ROC model (AUC = 0.65). Three dysphagia patients had partial compression from external TCV on radiology (1 aberrant subclavian artery, 2 dilated left atrium). The posture (supine vs upright) with more prominent PPZ's impaired bolus clearance in 9 additional cases by > 20%. CONCLUSION: Transmitted TCV pulsations observed in HREIM bear no significant impact on swallowing. However, in older adults with dysphagia, evidence of impaired bolus clearance on impedance should be evaluated for external TCV compression. These associations have never been explored previously in literature, and are novel. PMID- 29209126 TI - Intestinal parameters of oxidative imbalance in celiac adults with extraintestinal manifestations. AB - AIM: To evaluate selected intestinal parameters of oxidative stress, and antioxidant capacity in adult celiac disease patients with extraintestinal manifestations. METHODS: The study involved 85 adult patients divided into the following subgroups: (1) patients with newly diagnosed celiac disease (CD) (n = 7); (2) celiac patients not adhering to a gluten-free diet (GFD) (n = 22); (3) patients with CD on the GFD (n = 31); and (4) patients with functional disorders of the gastrointestinal tract, serving as controls (n = 25). Celiac patients presented with non-classic symptoms or extraintestinal manifestations. Standard blood tests including serum antioxidant levels (uric acid, bilirubin, and vitamin D), celiac antibody levels, and histopathological status of duodenal biopsy specimens have been determined. The expression of mRNA for tumor necrosis factor alpha (TNF-alpha), interleukin 1beta (IL-1beta), interleukin 10 (IL-10), superoxide dismutase (SOD), heat-shock protein 70 (HSP-70), hypoxia-inducible factor 1 (HIF-1alpha), and BAX in the duodenal mucosa of patients was analyzed by reverse transcriptase-polymerase chain reaction. RESULTS: The mean plasma uric acid level in patients with active CD (newly diagnosed and nonadherent patients) and treated celiac patients was significantly higher than in controls (260.17 +/- 53.65 vs 190.8 +/- 22.98, P < 0.001, and 261.7 +/- 51.79 vs 190.8 +/- 22.98, P < 0.001, respectively). The mean bilirubin concentration in active and treated celiac patients was significantly lower than in controls (8.23 +/- 5.04 vs 10.48 +/- 4.08, P < 0.05 and 8.06 +/- 3.31 vs 10.48 +/- 4.08, P < 0.05, respectively). The mean plasma vitamin D level was significantly lower in active celiac patients than in treated celiac patients and controls (19.37 +/- 9.03 vs 25.15 +/- 11.2, P < 0.05 and 19.37 +/- 9.03 vs 29.67 +/- 5.12, P < 0.001, respectively). The expression of TNF-alpha, IL-10, and HSP-70 mRNAs was significantly elevated in the celiac groups regardless of the diet when compared with controls. Patients on the GFD presented a significantly lower mRNA expression of TNF-alpha and IL-10 than in newly diagnosed and nonadherent patients (P < 0.05). The expression of SOD mRNA was significantly elevated in celiac patients compared with controls (P < 0.05), with a significant difference between treated and untreated patients (P < 0.05). The expression of HIF-1alpha mRNA and BAX mRNA was significantly higher in patients with active CD compared with controls and patients on GFD, while no difference was observed between the latter two groups. CONCLUSION: Increased intestinal expression of HSP-70 despite GFD indicates that GFD only partially reduced oxidative stress. CD patients exhibited an oxidative imbalance and inflammatory response despite GFD. Uric acid may act as an important antioxidant in CD. PMID- 29209127 TI - Prediction of hepatocellular carcinoma development by aminotransferase to platelet ratio index in primary biliary cholangitis. AB - AIM: To investigate the usefulness of aspartate aminotransferase to platelet ratio index (APRI) in predicting hepatocellular carcinoma (HCC) risk in primary biliary cholangitis (PBC). METHODS: We identified PBC patients between 2000 and 2015 by searching the electronic medical database of a tertiary center. The hazard ratio (HR) of HCC with different risk factors was determined by Cox proportional hazards model. RESULTS: One hundred and forty-four PBC patients were recruited. Patients were diagnosed at a median age of 57.8 years [interquartile range (IQR): 48.7-71.5 years), and 41 (28.5%) patients had cirrhosis at baseline. The median follow-up duration was 6.9 years (range: 1.0-26.3 years). Twelve patients developed HCC, with an incidence rate of 10.6 cases per 1000 patient years. The overall 5-, 10- and 15-year cumulative incidences of HCC were 2.3% 95%CI: 0%-4.8%), 8.4% (95%CI: 1.8%-14.5%) and 21.6% (6.8%-34.1%), respectively. Older age (HR = 1.07), cirrhosis (HR = 4.38) and APRI at 1 year after treatment (APRI-r1) > 0.54 (HR = 3.94) were independent factors for HCC development. APRI r1, when combined with treatment response, further stratified HCC risk (log rank P < 0.05). The area under receiver operating curve of APRI-r1 in predicting HCC was 0.77 (95%CI: 0.64-0.88). CONCLUSION: APRI-r1 can be used to predict the development of HCC in PBC patients. Combination of APRI-r1 with treatment response can further stratify the HCC risk. PMID- 29209128 TI - Role of combined propofol and sufentanil anesthesia in endoscopic injection sclerotherapy for esophageal varices. AB - AIM: To investigate the efficacy and safety of a combination of sufentanil and propofol injection in patients undergoing endoscopic injection sclerotherapy (EIS) for esophageal varices (EVs). METHODS: Patients with severe EVs who underwent EIS with sufentanil and propofol anesthesia between April 2016 and July 2016 at our hospital were reviewed. Although EIS and sequential therapy were performed under endotracheal intubation, we only evaluated the efficacy and safety of anesthesia for the first EIS procedure. Patients were intravenously treated with 0.5-1 MUg/kg sufentanil. Anesthesia was induced with 1-2 mg/kg propofol and maintained using 2-5 mg/kg per hour of propofol. Information, regarding age, sex, weight, American Association of Anesthesiologists (ASA) physical status, Child-Turcotte-Pugh (CTP) classification, indications, preanesthetic problems, endoscopic procedure, successful completion of the procedure, anesthesia time, recovery time, and anesthetic agents, was recorded. Adverse events, including hypotension, hypertension, bradycardia, and hypoxia, were also noted. RESULTS: Propofol and sufentanil anesthesia was provided in 182 procedures involving 140 men and 42 women aged 56.1 +/- 11.7 years (range, 25-83 years). The patients weighed 71.4 +/- 10.7 kg (range, 45-95 kg) and had ASA physical status classifications of II (79 patients) or III (103 patients). Ninety five patients had a CTP classification of A and 87 had a CTP classification of B. Intravenous anesthesia was successful in all cases. The mean anesthesia time was 33.1 +/- 5.8 min. The mean recovery time was 12.3 +/- 3.7 min. Hypotension occurred in two patients (1.1%, 2/182). No patient showed hypertension during the endoscopic therapy procedure. Bradycardia occurred in one patient (0.5%, 1/182), and hypoxia occurred in one patient (0.5%, 1/182). All complications were easily treated with no adverse sequelae. All endoscopic procedures were completed successfully. CONCLUSION: The combined use of propofol and sufentanil injection in endotracheal intubation-assisted EIS for EVs is effective and safe. PMID- 29209129 TI - Health disparities are associated with gastric cancer mortality-to-incidence ratios in 57 countries. AB - AIM: To evaluate the association between mortality-to-incidence ratios (MIRs) and health disparities. METHODS: In this study, we used the GLOBOCAN 2012 database to obtain the cancer incidence and mortality data for 57 countries, and combined this information with the World Health Organization (WHO) rankings and total expenditures on health/gross domestic product (e/GDP). The associations between variables and MIRs were analyzed by linear regression analyses and the 57 countries were selected according to their data quality. RESULTS: The more developed regions showed high gastric cancer incidence and mortality crude rates, but lower MIR values than the less developed regions (0.64 vs 0.80, respectively). Among six continents, Oceania had the lowest (0.60) and Africa had the highest (0.91) MIR. A good WHO ranking and a high e/GDP were significantly associated with low MIRs (P = 0.001 and P = 0.001, respectively). CONCLUSION: The MIR variation for gastric cancer would predict regional health disparities. PMID- 29209130 TI - Circulating miR-125a but not miR-125b is decreased in active disease status and negatively correlates with disease severity as well as inflammatory cytokines in patients with Crohn's disease. AB - AIM: To determine the association of circulating miR-125a/b expression with the risk and disease severity of Crohn's disease (CD), and with inflammatory cytokines. METHODS: Plasma samples were collected from patients with active CD (A CD), or CD in remission (R-CD) and from healthy controls (HCs). The levels of the inflammatory cytokines interleukin-17 (IL-17), tumour necrosis factor-alpha (TNF alpha), and interferon-gamma (IFN-gamma) were measured by enzyme-linked immunosorbent assay. The expression of miR-125a/b was assessed by quantitative polymerase chain reaction (qPCR). RESULTS: Twenty-nine A-CD patients, 37 R-CD patients, and 37 HCs were included in the study. Plasma miR-125a expression was decreased in A-CD patients compared with that in R-CD patients (P < 0.001) and HCs (P < 0.001). miR-125a expression levels enabled the differentiation of A-CD from R-CD patients [area under curve (AUC) = 0.854] and from HCs (AUC = 0.780), whereas miR-125b expression did not. miR-125a was negatively correlated with C reaction protein (CRP) (P = 0.017), erythrocyte sedimentation rate (ESR) (P = 0.026), Crohn's disease activity index (CDAI) (P = 0.003), IL-17 (P = 0.015), and TNF-alpha (P = 0.004) in A-CD patients. Furthermore, miR-125a was negatively associated with CRP (P = 0.038) and CDAI (P = 0.021) in R-CD patients. Regarding miR-125b, no association with CRP, CDAI, IL-17, TNF-alpha, or IFN-gamma was found in A-CD or in R-CD patients. miR-125a levels gradually increased in A-CD patients who achieved clinical remission (P = 0.009) after 3-mo treatment, whereas they remained unchanged among patients who failed to achieve remission. No changes in miR-125b expression were detected in remission or non-remission patients after treatment. CONCLUSION: Circulating miR-125a but not miR-125b is decreased in patients with active disease status and negatively correlates with disease severity and inflammatory cytokines in patients with CD. PMID- 29209131 TI - Dramatic response of hepatitis C patients chronically infected with hepatitis C virus genotype 3 to sofosbuvir-based therapies in Punjab, Pakistan: A prospective study. AB - AIM: To prospectively evaluate the efficacy of sofobuvir (SOF) in hepatitis C patients infected with hepatitis C virus (HCV) genotype 3 in Pakistan. METHODS: The present study was performed with the coordination of gastroenterology and pathology departments of Shalamar Hospital Lahore from August 2014 to May 2016. The total number of patients included in this study was 1375 and all of them were infected with HCV genotype 3. On the basis of drug combinations, all the patients were separated into two groups. The first group of patients was treated for 24 wk with SOF (Sovaldi(r) by Gilead Sciences) plus ribavirin (RBV) [Ribazol(r) by Getz Pharma Pakistan (PVT) Ltd], while the patients of the second group were treated with SOF + RBV + pegylated-interferon (pegIFN) alfa-2a (Ropegra by Roach) for 12 wk. HCV genotyping and viral load measurement were performed on fully automated Abbott Real-Time PCR system (Abbott m24sp automated nucleic acid extraction system and Abbott m2000rt amplification system; abbott Molecular, Des Plaines, IL, United States). For the assessment of sustained virological response (SVR), all HCV RNA negative patients were followed for 12 weeks after the treatment completion. Any patient with less than 12 IU/mL viral load after 12 wk of treatment completion was considered as a sustained virological responder (SVR 12). RESULTS: A total of 1375 patients chronically infected with HCV genotype 3 were treated with two drug combinations SOF + RBV and SOF + RBV + pegIFN alfa-2a. On the basis of these drug combinations, patients were divided into two groups (first and second). Overall SVR-12 was excellent in both groups (99.17% and 97.91%). Older patients (> 40 years) of second group showed lower SVR-12 (93.46%) compared to first group older patients (98.79%), while in the younger patients of both groups, the SVR-12 rate was almost the same (99.54% in first group and 99.05% in second group). No such difference regarding SVR-12 rate was seen in males and females of first group patients (99.68% and 98.88%, respectively), while in second group the males were found to be better responders compared to females (98.96% and 95%). The SVR-12 rate in previously treated patients of first group was better (99.34%) than second group (93.70%), while naive patients of second group were marginally better responders (99.25%) than first group (97.80%). Rapid viral response at week-4 was found to be a very effective predictor for assessing the SVR rate at this stage of therapy in both groups. Headache, anemia and fatigue were common side effects in both groups either treated with SOF + RBV or SOF + RBV + pegIFN alfa-2a, while the overall percentage of the side effects was higher in second group. CONCLUSION: The remarkable SVR response rate of HCV genotype 3 infected patients to SOF provided a new way to look forward to eliminate hepatitis C from our region. PMID- 29209132 TI - Short-term clinical outcomes of laparoscopic vs open rectal excision for rectal cancer: A systematic review and meta-analysis. AB - AIM: To review evidence on the short-term clinical outcomes of laparoscopic (LRR) vs open rectal resection (ORR) for rectal cancer. METHODS: A systematic literature search was performed using Cochrane Central Register, MEDLINE, EMBASE, Scopus, OpenGrey and ClinicalTrials.gov register for randomized clinical trials (RCTs) comparing LRR vs ORR for rectal cancer and reporting short-term clinical outcomes. Articles published in English from January 1, 1995 to June, 30 2016 that met the selection criteria were retrieved and reviewed. The Preferred Reporting Items for Systematic reviews and Meta-Analysis (PRISMA) statements checklist for reporting a systematic review was followed. Random-effect models were used to estimate mean differences and risk ratios. The robustness and heterogeneity of the results were explored by performing sensitivity analyses. The pooled effect was considered significant when P < 0.05. RESULTS: Overall, 14 RCTs were included. No differences were found in postoperative mortality (P = 0.19) and morbidity (P = 0.75) rates. The mean operative time was 36.67 min longer (95%CI: 27.22-46.11, P < 0.00001), the mean estimated blood loss was 88.80 ml lower (95%CI: -117.25 to -60.34, P < 0.00001), and the mean incision length was 11.17 cm smaller (95%CI: -13.88 to -8.47, P < 0.00001) for LRR than ORR. These results were confirmed by sensitivity analyses that focused on the four major RCTs. The mean length of hospital stay was 1.71 d shorter (95%CI: -2.84 to 0.58, P < 0.003) for LRR than ORR. Similarly, bowel recovery (i.e., day of the first bowel movement) was 0.68 d shorter (95%CI: -1.00 to -0.36, P < 0.00001) for LRR. The sensitivity analysis did not confirm a significant difference between LRR and ORR for these latter two parameters. The overall quality of the evidence was rated as high. CONCLUSION: LRR is associated with lesser blood loss, smaller incision length, and longer operative times compared to ORR. No differences are observed for postoperative morbidity and mortality. PMID- 29209133 TI - Anterior vs conventional approach right hepatic resection for large hepatocellular carcinoma: A systematic review and meta-analysis. AB - AIM: To compare the clinical outcomes of right hepatectomy for large hepatocellular carcinoma via the anterior and conventional approach. METHODS: We comprehensively performed an electronic search of PubMed, EMBASE, and the Cochrane Library for randomized controlled trials (RCTs) or controlled clinical trials (CCTs) published between January 2000 and May 2017 concerning the anterior approach (AA) and the conventional approach (CA) to right hepatectomy. Studies that met the inclusion criteria were included, and their outcome analyses were further assessed using a fixed or random effects model. RESULTS: This analysis included 2297 patients enrolled in 16 studies (3 RCTs and 13 CTTs). Intraoperative blood loss [weighted mean difference = -255.21; 95% confidence interval (95%CI): -371.3 to -139.12; P < 0.0001], intraoperative blood transfusion [odds ratio (OR) = 0.42; 95%CI: 0.29-0.61; P < 0.0001], mortality (OR = 0.59; 95%CI: 0.38-0.92; P = 0.02), morbidity (OR = 0.77; 95%CI: 0.62-0.95; P = 0.01), and recurrence rate (OR = 0.62; 95%CI: 0.47-0.83; P = 0.001) were significantly reduced in the AA group. Patients in the AA group had better overall survival (hazard ratio [HR] = 0.71; 95%CI: 0.50-1.00; P = 0.05) and disease-free survival (HR = 0.67; 95%CI: 0.58-0.79; P < 0.0001) than those in the CA group. CONCLUSION: The AA is safe and effective for right hepatectomy for large hepatocellular carcinoma and could accelerate postoperative recovery and achieve better survival outcomes than the CA. PMID- 29209134 TI - Metabolically based liver damage pathophysiology in patients with urea cycle disorders - A new hypothesis. AB - : The underlying pathophysiology of liver dysfunction in urea cycle disorders (UCDs) is still largely elusive. There is some evidence that the accumulation of urea cycle (UC) intermediates are toxic for hepatocyte mitochondria. It is possible that liver injury is directly caused by the toxicity of ammonia. The rarity of UCDs, the lack of checking of iron level in these patients, superficial knowledge of UC and an underestimation of the metabolic role of fumaric acid, are the main reasons that are responsible for the incomprehension of the mechanism of liver injury in patients suffering from UCDs. Owing to our routine clinical practice to screen for iron overload in severely ill neonates, with the focus on the newborns suffering from acute liver failure, we report a case of citrullinemia with neonatal liver failure and high blood parameters of iron overload. We hypothesize that the key is in the decreased-deficient fumaric acid production in the course of UC in UCDs that causes several sequentially intertwined metabolic disturbances with final result of liver iron overload. The presented hypothesis could be easily tested by examining the patients suffering from UCDs, for liver iron overload. This could be easily performed in countries with a high population and comprehensive national register for inborn errors of metabolism. CONCLUSION: Providing the hypothesis is correct, neonatal liver damage in patients having UCD can be prevented by the supplementation of pregnant women with fumaric or succinic acid, prepared in the form of iron supplementation pills. After birth, liver damage in patients having UCDs can be prevented by supplementation of these patients with zinc fumarate or zinc succinylate, as well. PMID- 29209135 TI - First case of cross-auxiliary double domino donor liver transplantation. AB - We report a case of double domino liver transplantation in a 32-year-old woman who was diagnosed with familial amyloid polyneuropathy (FAP) and liver dysfunction. A two-stage surgical plan was designed, and one domino graft was implanted during each stage. During the first stage, an auxiliary domino liver transplantation was conducted using a domino graft from a 4-year-old female child with Wilson's disease. After removing the right lobe of the FAP patient's liver, the graft was rotated 90 degrees counterclockwise and placed along the right side of the inferior vena cava (IVC). The orifices of the left, middle, and right hepatic veins were reconstructed using an iliac vein patch and then anastomosed to the right side of the IVC. Thirty days later, a second domino liver graft was implanted. The second domino graft was from a 3-year-old female child with an ornithine carbamyl enzyme defect, and it replaced the residual native liver (left lobe). To balance the function and blood flow between the two grafts, a percutaneous transcatheter selective portal vein embolization was performed, and "the left portal vein" of the first graft was blocked 9 mo after the second transplantation. The liver function indices, blood ammonia, and 24-h urinary copper levels were normal at the end of a 3-year follow-up. These two domino donor grafts from donors with different metabolic disorders restored normal liver function. Our experience demonstrated a new approach for resolving metabolic disorders with domino grafts and utilizing explanted livers from children. PMID- 29209136 TI - Interaction between Flow Diverter and Parent Artery of Intracranial Aneurysm: A Computational Study. AB - To evaluate the influence of deployment strategy on the mechanical interaction between braided stent and parent artery of intracranial aneurysm (the elasticity of the arterial wall is considered), finite-element analyses are carried out by referring to computational models of flow-diverter device and arterial wall. Two implantation strategies are used to virtually implant the braided stent into the ideal intracranial aneurysm model. One is the noncompacted implantation method, and the other is the implantation method of using push-pull technique. During the process of the implantation, the changes of the arterial shape around the aneurysm and the changes of the wall pressure at the contact area between the braided stent and the inner wall of the artery are analyzed. The results indicate that the average contact pressure in the area of low porosity is 57 mmHg using the push-pull technique, and the average contact pressure of the parent artery is 10.45 mmHg using the non-push-pull technique. The diameter of the parent artery at the aneurismal orifice increased about 0.2 mm when using the push-pull technique, so the elasticity of the vessel should be considered in the mechanical analysis of interaction between stent and vessel. PMID- 29209137 TI - Corrigendum to "Incorporating Family Function into Chronic Pain Disability: The Role of Catastrophizing". AB - [This corrects the article DOI: 10.1155/2016/6838596.]. PMID- 29209138 TI - Effects of Glutathione on Mechanical Allodynia and Central Sensitization in Chronic Postischemic Pain Rats. AB - Background: The chronic postischemia pain (CPIP) model is an animal model using ischemia/reperfusion injury that mimics the symptoms of complex regional pain syndrome type I. Glutathione (GSH) prevents ischemia/reperfusion injury by scavenging free radicals. We conducted this study to investigate the protective effect of GSH in CPIP rats via changes of mechanical allodynia and phospholyration of the N-methyl-D-aspartate receptor subunit GluN1. Methods: We divided 45 rats into 5 groups: sham, CPIP, CPIP + GSH 100 mg/kg, CPIP + GSH 200 mg/kg, and CPIP + GSH 500 mg/kg. Rats in the sham and CPIP groups received normal saline and rats in the other groups received GSH at the designated doses thirty minutes prior to reperfusion. Withdrawal thresholds were evaluated before sugery as well as 1, 3, and 7 days after surgery. pGluN1 level in the spinal cord was also measured. Results: GSH treated rats show a significant increase in the withdrawal thresholds of both hind paws as compared with the CPIP group dose dependently. The expression of pGluN1 in the GSH treated rats significantly decreased as compared to the CPIP group (all P < 0.05). Conclusion: These findings suggest that GSH inhibited the development of mechanical allodynia and central sensitization in CPIP rats. PMID- 29209139 TI - Bayes' theorem, the ROC diagram and reference values: Definition and use in clinical diagnosis. AB - Medicine is diagnosis, treatment and care. To diagnose is to consider the probability of the cause of discomfort experienced by the patient. The physician may face many options and all decisions are liable to uncertainty to some extent. The rational action is to perform selected tests and thereby increase the pre test probability to reach a superior post-test probability of a particular option. To draw the right conclusions from a test, certain background information about the performance of the test is necessary. We set up a partially artificial dataset with measured results obtained from the laboratory information system and simulated diagnosis attached. The dataset is used to explore the use of contingency tables with a unique graphic design and software to establish and compare ROC graphs. The loss of information in the ROC curve is compensated by a cumulative data analysis (CDA) plot linked to a display of the efficiency and predictive values. A standard for the contingency table is suggested and the use of dynamic reference intervals discussed. PMID- 29209140 TI - Role of matrix metalloproteinase-2/9 (MMP2/9) in lead-induced changes in an in vitro blood-brain barrier model. AB - Lead (Pb) is a well-known neurotoxicant and a risk factor for neurologic disorders. The blood brain barrier (BBB) plays an important role in the maintenance of optimal brain function. BBB is a target of Pb, and studies have shown that Pb induced barrier loss and decreased the expression of tight junction proteins, but the detailed mechanisms are not fully understood. Matrix metalloproteinases (MMPs) are important components of extracellular matrix proteasome and can affect the remodeling and degradation of tight junction (TJ). The role of MMP-2/9 in Pb-induced damage of BBB is not known. In our study, we used an in vitro BBB model by co-culturing human umbilical vascular endothelial cells (ECV304 cells) with rat glioma cells (C6 cells), and detected the expression of related TJ proteins and MMP-2/9. Our results showed that Pb increased the permeability of the in vitro BBB model, and stimulating C6 cells with Pb could decrease the protein level of ZO-1 (zonula occludens-1) and occludin in ECV304 cells. Pb could increase the mRNA and protein level of MMP-2/9 in C6 cells, and inhibition of MMP-2/9 by SB-3CT could partially alleviate Pb induced down-regulation of TJ proteins in ECV304 cells and Pb-induced barrier damage in the in vitro BBB model. Our research established potential therapeutic targets for modulating and preserving optimal BBB function. PMID- 29209141 TI - Co-expression network analysis identified FCER1G in association with progression and prognosis in human clear cell renal cell carcinoma. AB - Clear cell renal cell carcinoma (ccRCC) is the most common solid lesion within kidney, and its prognostic is influenced by the progression covering a complex network of gene interactions. In current study, the microarray data GSE66272 containing ccRCC and adjacent normal tissues was analyzed to identify 4042 differentially expressed genes, on which weighted gene co-expression network analysis was performed. Then 12 co-expressed gene modules were identified. The highest association was found between blue module and pathological stage (r = 0.77) by Pearson's correlation analysis. Functional enrichment analysis revealed that biological processes of blue module focused on inflammatory response, immune response, chemotaxis (all p < 1e-10). In the significant module, a total of 38 network hub genes were identified, FCER1G exhibited the highest correlation (r = 0.95) with ccRCC progression. In addition, FCER1G was hub node in the protein protein interaction network of the genes in blue module as well. Thus, FCER1G was subsequently selected for validation. In the test set GSE53757 and RNA-sequencing data, FCER1G expression was also positively correlated with four stages of ccRCC progression (p < 0.001). Receiver operating characteristic (ROC) curve indicated that FCER1G could distinguish localized (pathological stage I, II) from non localized (pathological stage III, IV) ccRCC (AUC=0.74, p < 0.001). Besides, FCER1G could be a prognostic gene in clinical practice as well, revealed by survival analysis based on RNA-sequencing data (p < 0.05). In conclusion, using weighted gene co-expression analysis, FCER1G was identified and validated in association with ccRCC progression and prognosis, which might improve the prognosis by influencing immune-related pathways. PMID- 29209142 TI - Clinical and in vitro analysis of Osteopontin as a prognostic indicator and unveil its potential downstream targets in bladder cancer. AB - Osteopontin (OPN) plays an important role in cancer progression, however its prognostic significance and its downstream factors are largely elusive. In this study, we have shown that expression of OPN was significantly higher in bladder cancer specimens with higher T-stage or tumor grades. In addition, a high level of OPN was significantly associated with poorer survival in two independent bladder cancer patient cohorts totaling 389 bladder cancer patients with available survival data. We further identified Matrix metallopeptidase 9 (MMP9) and S100 calcium-binding protein A8 (S100A8) were both downstream factors for OPN in bladder cancer specimens and bladder cancer cell lines. Expression of OPN was significantly positively associated with that of MMP9 and S100A8, while overexpression of OPN resulted in upregulation of MMP9 and S100A8, and knockdown of OPN showed consistent downregulation of MMP9 and S100A8 expression levels. Importantly, expression levels of both MMP9 and S100A8 were significantly associated with higher T-stage, higher tumor grade and a shorter survival time in the bladder cancer patients. Interestingly, OPN expression only predicted survival in MMP9-high, but not MMP9-low subgroups, and in S100A8-low but not S100A8-high subgroups. Our results suggest that OPN, MMP9 and S100A8 all play a significant role in bladder cancer progression and are potential prognostic markers and therapeutic targets in bladder cancer. The mechanistic link between these three genes and bladder cancer progression warrants further investigation. PMID- 29209143 TI - Risk Factors and Preventions of Breast Cancer. AB - Breast cancer is the second leading cause of cancer deaths among women. The development of breast cancer is a multi-step process involving multiple cell types, and its prevention remains challenging in the world. Early diagnosis of breast cancer is one of the best approaches to prevent this disease. In some developed countries, the 5-year relative survival rate of breast cancer patients is above 80% due to early prevention. In the recent decade, great progress has been made in the understanding of breast cancer as well as in the development of preventative methods. The pathogenesis and tumor drug-resistant mechanisms are revealed by discovering breast cancer stem cells, and many genes are found related to breast cancer. Currently, people have more drug options for the chemoprevention of breast cancer, while biological prevention has been recently developed to improve patients' quality of life. In this review, we will summarize key studies of pathogenesis, related genes, risk factors and preventative methods on breast cancer over the past years. These findings represent a small step in the long fight against breast cancer. PMID- 29209144 TI - Targeting the long noncoding RNA MALAT1 blocks the pro-angiogenic effects of osteosarcoma and suppresses tumour growth. AB - Osteosarcoma (OS), the commonest primary malignant tumour originating from bone, affects a substantial number of people, mostly during adolescent growth, and leads to a very poor prognosis as a result of the high rate of early metastases. Consequently, there is urgent demand for a novel treatment for this disease. There are growing concerns focused on OS-induced pro-angiogenic effects, but to date, the mechanism of OS-induced pro-angiogenesis is still insufficiently well understood. Long noncoding RNAs (lncRNAs) have attracted increasing interest due to their strong correlation with a variety of diseases and their powerful capacity for epigenetic regulation. Recently, metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a lncRNA, has been discovered to be closely related to OS progression and hypoxia responses which are associated with angiogenesis. In this study, we confirm that MALAT1 induces pro-angiogenic effects, and demonstrate that the underlying mechanism involves a MALAT1/mechanistic target of rapamycin (mTOR)/hypoxia inducible factor-1alpha (HIF-1alpha) loop. With the help of chemically-modified small interfering RNAs targeting MALAT1 (siMALAT1), we confirm that siMALAT could provide a potential strategy to block the abnormally active OS-induced pro-angiogenic effect, and ultimately successfully suppress progression of OS tumours. PMID- 29209145 TI - Altered Neuroendocrine Immune Responses, a Two-Sword Weapon against Traumatic Inflammation. AB - During the occurrence and development of injury (trauma, hemorrhagic shock, ischemia and hypoxia), the neuroendocrine and immune system act as a prominent navigation leader and possess an inter-system crosstalk between the reciprocal information dissemination. The fundamental reason that neuroendocrinology and immunology could mix each other and permeate toward the field of traumatology is owing to their same biological languages or chemical information molecules (hormones, neurotransmitters, neuropeptides, cytokines and their corresponding receptors) shared by the neuroendocrine and immune systems. The immune system is not only modulated by the neuroendocrine system, but also can modulate the biological functions of the neuroendocrine system. The interactive linkage of these three systems precipitates the complicated space-time patterns for the courses of traumatic inflammation. Recently, compelling evidence indicates that the network linkage pattern that initiating agents of neuroendocrine responses, regulatory elements of immune cells and effecter targets for immune regulatory molecules arouse the resistance mechanism disorders, which supplies the beneficial enlightenment for the diagnosis and therapy of traumatic complications from the view of translational medicine. Here we review the alternative protective and detrimental roles as well as possible mechanisms of the neuroendocrine immune responses in traumatic inflammation. PMID- 29209146 TI - Adhesion Regulating Molecule 1 Mediates HAP40 Overexpression-Induced Mitochondrial Defects. AB - Striatal neuron death in Huntington's disease is associated with abnormal mitochondrial dynamics and functions. However, the mechanisms for this mitochondrial dysregulation remain elusive. Increased accumulation of Huntingtin associated protein 40 (HAP40) has been shown to be associated with Huntington's disease. However, the link between increased HAP40 and Huntington's disease remains largely unknown. Here we show that HAP40 overexpression causes mitochondrial dysfunction and reduces cell viability in the immortalized mouse striatal neurons. HAP40-associated mitochondrial dysfunction is associated with reduction of adhesion regulating molecule 1 (ADRM1) protein. Consistently, depletion of ADRM1 by shRNAs impaired mitochondrial functions and increased mitochondrial fragmentation in mouse striatal cells. Moreover, reducing ADRM1 levels enhanced activity of fission factor dynamin-related GTPase protein 1 (Drp1) via increased phosphorylation at serine 616 of Drp1 (Drp1Ser616). Restoring ADRM1 protein levels was able to reduce HAP40-induced ROS levels and mitochondrial fragmentation and improved mitochondrial functions and cell viability. Moreover, reducing Drp1 activity by Drp1 inhibitor, Mdivi-1, ameliorates both HAP40 overexpression- and ADRM1 depletion-induced mitochondrial dysfunction. Taken together, our studies suggest that HAP40-mediated reduction of ADRM1 alters the mitochondrial fission activity and results in mitochondrial fragmentation and mitochondrial dysfunction. PMID- 29209147 TI - Transcriptome integration analysis in hepatocellular carcinoma reveals discordant intronic miRNA-host gene pairs in expression. AB - Intronic miRNAs, residing in intronic regions of host genes, are thought to be co transcribed from their host genes and present consistent expression patterns with host genes. Recent studies reported a few intronic miRNAs with discordant expression with their host genes. We therefore aimed to understand the expression pattern of intronic miRNAs and their host genes in hepatocellular carcinoma (HCC) and reveal possible associated molecular mechanisms. Our genome wide integration analysis of miRNA and mRNA transcriptomes, in three dataset from 550 patients with HCC, found that a large amount of miRNA-host gene pairs were discordantly expressed. Consistent results were also revealed in 775 breast cancer patients. Further, most of HCC-related intronic miRNAs were predicted to have distinct upstream regulators and independent proximal promoter signals from host genes. The discordant expression of representative pairs, miR-26s/CTDSPs, was validated experimentally. We have also identified the independent transcriptional start site, promoter signal, and transcriptional factor of miR-26b from its host gene. Collectively, discordant expression of intronic miRNAs and their host genes was relatively ubiquitous and the intronic miRNA "independent transcription" may partially contribute to such a phenotype. PMID- 29209148 TI - Human colorectal cancer progression correlates with LOX-induced ECM stiffening. AB - Some solid tumors are characterized by extracellular matrix (ECM) remodeling and stiffening, which is related to solid tumor progression and aggression. However, the relationship between ECM stiffness and colorectal cancer (CRC) remains unclear. In this study, we investigated the relevance of ECM stiffness to clinicopathologic features using human CRC tissue microarrays. The results demonstrate that the expression of ECM components in CRC tissues is closely correlated with CRC progression and poor prognosis, which indicates that ECM stiffness may be associated with CRC development. We further studied lysyl oxidase (LOX) expression in CRC tissue and demonstrated that LOX expression is closely correlated with CRC progression. Previous studies showed that P-selectin mediated platelet accumulation in CRC tissue may up-regulate LOX expression. Our findings indicate that P-selectin-mediated platelet aggregation may up-regulate LOX expression and enhance the remodeling and stiffening of the tumor ECM, which may promote the progression of colorectal cancer. Therefore, LOX may be a potential effective therapeutic target to treat colorectal cancer. PMID- 29209149 TI - Electroencephalographic evaluation of acoustic therapies for the treatment of chronic and refractory tinnitus. AB - Background: To date, a large number of acoustic therapies have been applied to treat tinnitus. The effect that produces those auditory stimuli is, however, not well understood yet. Furthermore, the conventional clinical protocol is based on a trial-error procedure, and there is not a formal and adequate treatment follow up. At present, the only way to evaluate acoustic therapies is by means of subjective methods such as analog visual scale and ad-hoc questionnaires. Methods: This protocol seeks to establish an objective methodology to treat tinnitus with acoustic therapies based on electroencephalographic (EEG) activity evaluation. On the hypothesis that acoustic therapies should produce perceptual and cognitive changes at a cortical level, it is proposed to examine neural electrical activity of patients suffering from refractory and chronic tinnitus in four different stages: at the beginning of the experiment, at one week of treatment, at five weeks of treatment, and at eight weeks of treatment. Four of the most efficient acoustic therapies found at the moment are considered: retraining, auditory discrimination, enriched acoustic environment, and binaural. Discussion: EEG has become a standard brain imaging tool to quantify and qualify neural oscillations, which are basically spatial, temporal, and spectral patterns associated with particular perceptual, cognitive, motor and emotional processes. Neural oscillations have been traditionally studied on the basis of event-related experiments, where time-locked and phase-locked responses (i.e., event-related potentials) along with time-locked but not necessary phase-locked responses (i.e., event-related (de) synchronization) have been essentially estimated. Both potentials and levels of synchronization related to auditory stimuli are herein proposed to assess the effect of acoustic therapies. Trial registration: Registration Number: ISRCTN14553550. ISRCTN Registry: BioMed Central. Date of Registration: October 31st, 2017. PMID- 29209150 TI - Correlation between subjective and objective hearing tests after unilateral and bilateral cochlear implantation. AB - Background: There are many methods for assessing hearing performance after cochlear implantation. Standard evaluations often encompass objective hearing tests only, while patients' subjective experiences gain importance in today's healthcare. The aim of the current study was to analyze the correlation between subjective (self-reported questionnaires) and objective (speech perception and localization) hearing test results in adult cochlear implant (CI) users. Secondary, the correlation between subjective and objective hearing tests was compared between bilateral and unilateral CI patients. Methods: Data for this study were prospectively collected as part of a multicentre randomized controlled trial. Thirty-eight postlingually deafened adult patients were randomly allocated to receive either unilateral (n = 19) or bilateral (n = 19) cochlear implantation. We used data gathered after one year of follow-up. We studied the correlation between objectively measured speech perception and localization skills on the one hand and related domains of the Speech, Spatial and Qualities of Hearing Scale (SSQ) and Nijmegen Cochlear Implant Questionnaire (NCIQ) on the other hand. We also compared these correlations between unilateral and bilateral CI users. Results: We found significant weak to moderate negative correlations between the subjective test results (speech domain of the SSQ and the advanced speech perception domain of the NCIQ) and the related objective speech perception in noise test results (r = -0.33 to -0.48). A significant moderate correlation was found between the subjective test results (spatial domain of the SSQ) and the related objective localization test results (r = 0.59). The correlations in the group of bilateral CI patients (r = -0.28 to -0.54) did not differ significantly from the correlations in the group of unilateral CI patients (r = 0.15 to -0.40). Conclusions: Current objective tests do not fully reflect subjective everyday listening situations. This study elucidates the importance and necessity of questionnaires in the evaluation of cochlear implantation. Therefore, it is advised to evaluate both objective and subjective tests in CI patients on a regular basis. Trial registration: This trial was registered on March 11, 2009 in the Dutch Trial Register. Trial registration number: NTR1722. PMID- 29209151 TI - Endoscopic repair of lateral sphenoid Encephaloceles: a case series. AB - Background: Lateral sphenoid encephaloceles present a surgical challenge. These encephaloceles may be difficult to access given their lateral location and proximity to the neural and vascular structures of the sphenoid floor, pterygopalatine fossa, and lateral and superior sphenoid walls. Additionally, many patients have idiopathic intracranial hypertension, increasing the risk of recurrence. When untreated or undiscovered, these encephaloceles increase the risk of meningitis. Methods: All consecutive endoscopic repairs of lateral sphenoid encephaloceles by a single surgeon from 2012 to 2017 were analyzed for method of repair, complications, and recurrence rate. Odds ratio for recurrence of CSF leak for Alloderm inlay/abdominal fat sphenoid obliteration/nasoseptal flap with multilayer repair vs. other method (Alloderm onlay/contralateral nasoseptal flap or free mucosal graft) was compared, and Fischer's exact test was used to calculate the two-sided p-value for the two repair methods. Results: The success rate (no recurrence of cerebrospinal fluid rhinorrhea) for Alloderm inlay/abdominal fat onlay/nasoseptal flap onlay was 100% while for Alloderm onlay/contralateral nasoseptal flap + free mucosal graft the success rate was 0%. For any nasoseptal flap repair vs. free mucosal graft the success rates were 83.3% and 16.7% respectively. The success rate for Alloderm inlay/abdominal fat onlay/nasoseptal flap onlay vs. Alloderm onlay/contralateral nasoseptal flap + free mucosal graft was statistically significant (p = 0.048), but the success rate for any nasoseptal flap repair vs. free mucosal graft was not significant (p = 0.29). The success rate for patients without post-op lumbar drain vs. with post op lumbar drain was also nonsignificant (p = 0.29). Conclusions: In the author's hands Alloderm inlay/abdominal fat onlay/nasoseptal flap onlay was superior to other repair methods (Alloderm onlay/contralateral nasoseptal flap or free middle turbinate mucosa onlay graft). The complication rate was low. Post-operative lumbar drainage did not affect the success rate. PMID- 29209152 TI - Natural agents mediated autophagic signal networks in cancer. AB - Recent studies suggested that natural compounds are important in finding targets for cancer treatments. Autophagy ("self-eating") plays important roles in multiple diseases and acts as a tumor suppressor in cancer. Here, we examined the molecular mechanism by which natural agents regulate autophagic signals. Understanding the relationship between natural agents and cellular autophagy may provide more information for cancer diagnosis and chemoprevention. PMID- 29209153 TI - RAC3 influences the chemoresistance of colon cancer cells through autophagy and apoptosis inhibition. AB - Background: RAC3 coactivator overexpression has been implicated in tumorigenesis, contributing to inhibition of apoptosis and autophagy. Both mechanisms are involved in resistance to treatment with chemotherapeutic agents. The aim of this study was to investigate its role in chemoresistance of colorectal cancer. Methods: The sensitivity to 5-fluorouracil and oxaliplatin in colon cancer cells HT-29, HCT 116 and Lovo cell lines, expressing high or low natural levels of RAC3, was investigated using viability assays. Results: In HCT 116 cells, we found that although 5-fluorouracil was a poor inducer of apoptosis, autophagy was strongly induced, while oxaliplatin has shown a similar ability to induce both of them. However, in HCT 116 cells expressing a short hairpin RNA for RAC3, we found an increased sensitivity to both drugs if it is compared with control cells. 5 Fluorouracil and oxaliplatin treatment lead to an enhanced caspase 3-dependent apoptosis and produce an increase of autophagy. In addition, both process have shown to be trigged faster than in control cells, starting earlier after stimulation. Conclusions: Our results suggest that RAC3 expression levels influence the sensitivity to chemotherapeutic drugs. Therefore, the knowledge of RAC3 expression levels in tumoral samples could be an important contribution to design new improved therapeutic strategies in the future. PMID- 29209154 TI - Effects of two pre-workout supplements on concentric and eccentric force production during lower body resistance exercise in males and females: a counterbalanced, double-blind, placebo-controlled trial. AB - Background: Pre-workout supplements purportedly enhance feelings of energy, reduce fatigue and improve exercise performance. The purpose of this study was to examine the performance effects of caffeinated and non-caffeinated multi ingredient pre-workout supplements. Methods: In a counterbalanced, double-blind, placebo-controlled design, eccentric and concentric force production during lower body resistance exercise on a mechanized squat device were assessed after supplement ingestion. Repetitions-in-reserve/RPE and subjective feelings of energy, focus and fatigue were also examined. Twenty-one resistance-trained adults (12 F, 9 M) completed three conditions in random order: caffeinated supplement, non-caffeinated supplement and placebo. Subjects were not informed of the presence of a placebo condition. Thirty minutes after supplement ingestion, a 3-repetition maximum test and 5 sets of 6 repetitions were completed using the squat device. Each repetition involved 4-s eccentric and concentric phases, and the force signal throughout each repetition was sampled from a load cell contained within the squat device. The scaled and filtered force signals were analyzed using customized software. Repeated measures analysis of variance and appropriate follow-up analyses were utilized to compare dependent variables, and relevant effect sizes (d) were calculated. Results: Supplement or placebo ingestion led to similar subjective responses (p > 0.05). Energy (+8 to 44%; d = 0.3 to 0.8) and focus (+8 to 25%; d = 0.3 to 0.5) were acutely increased by supplement or placebo ingestion and decreased as the exercise session progressed. Fatigue was acutely decreased by supplement or placebo ingestion (-7 to 38%; d = 0.1 to -0.6) and increased as the exercise session progressed. Eccentric and concentric forces were unimproved by supplementation during the exercise sets for both sexes. In the non-caffeinated supplement condition only, maximal eccentric force production was lower during sets 3 to 5, as compared to set 1 (p < 0.05). Effect size data indicated that both the caffeinated and non-caffeinated supplements may contribute to small increases in concentric force production in males (+5 to 20%, d = 0.2 to 0.4 relative to placebo), but not females. Conclusions: As compared to placebo, caffeinated and non-caffeinated multi ingredient pre-workout supplements failed to improve concentric and eccentric force production. In males, effect size data indicate a possible small benefit of supplementation on concentric force production, although this was not statistically significant. When resistance-trained subjects were unaware of the presence of a placebo, resistance exercise performance was similar regardless of whether a placebo or multi-ingredient supplement was ingested. PMID- 29209155 TI - Optimization of quantitative proteomic analysis of clots generated from plasma of patients with venous thromboembolism. AB - Background: It is well known that fibrin network binds a large variety of proteins, including inhibitors and activators of fibrinolysis, which may affect clot properties, such as stability and susceptibility to fibrinolysis. Specific plasma clot composition differs between individuals and may change in disease states. However, the plasma clot proteome has not yet been in-depth analyzed, mainly due to technical difficulty related to the presence of a highly abundant protein-fibrinogen and fibrin that forms a plasma clot. Methods: The aim of our study was to optimize quantitative proteomic analysis of fibrin clots prepared ex vivo from citrated plasma of the peripheral blood drawn from patients with prior venous thromboembolism (VTE). We used a multiple enzyme digestion filter aided sample preparation, a multienzyme digestion (MED) FASP method combined with LC MS/MS analysis performed on a Proxeon Easy-nLC System coupled to the Q Exactive HF mass spectrometer. We also evaluated the impact of peptide fractionation with pipet-tip strong anion exchange (SAX) method on the obtained results. Results: Our proteomic approach revealed 476 proteins repeatedly identified in the plasma fibrin clots from patients with VTE including extracellular vesicle-derived proteins, lipoproteins, fibrinolysis inhibitors, and proteins involved in immune responses. The MED FASP method using three different enzymes: LysC, trypsin and chymotrypsin increased the number of identified peptides and proteins and their sequence coverage as compared to a single step digestion. Peptide fractionation with a pipet-tip strong anion exchange (SAX) protocol increased the depth of proteomic analyses, but also extended the time needed for sample analysis with LC MS/MS. Conclusions: The MED FASP method combined with a label-free quantification is an excellent proteomic approach for the analysis of fibrin clots prepared ex vivo from citrated plasma of patients with prior VTE. PMID- 29209156 TI - Machine Learning Classification Combining Multiple Features of A Hyper-Network of fMRI Data in Alzheimer's Disease. AB - Exploring functional interactions among various brain regions is helpful for understanding the pathological underpinnings of neurological disorders. Brain networks provide an important representation of those functional interactions, and thus are widely applied in the diagnosis and classification of neurodegenerative diseases. Many mental disorders involve a sharp decline in cognitive ability as a major symptom, which can be caused by abnormal connectivity patterns among several brain regions. However, conventional functional connectivity networks are usually constructed based on pairwise correlations among different brain regions. This approach ignores higher-order relationships, and cannot effectively characterize the high-order interactions of many brain regions working together. Recent neuroscience research suggests that higher-order relationships between brain regions are important for brain network analysis. Hyper-networks have been proposed that can effectively represent the interactions among brain regions. However, this method extracts the local properties of brain regions as features, but ignores the global topology information, which affects the evaluation of network topology and reduces the performance of the classifier. This problem can be compensated by a subgraph feature-based method, but it is not sensitive to change in a single brain region. Considering that both of these feature extraction methods result in the loss of information, we propose a novel machine learning classification method that combines multiple features of a hyper-network based on functional magnetic resonance imaging in Alzheimer's disease. The method combines the brain region features and subgraph features, and then uses a multi-kernel SVM for classification. This retains not only the global topological information, but also the sensitivity to change in a single brain region. To certify the proposed method, 28 normal control subjects and 38 Alzheimer's disease patients were selected to participate in an experiment. The proposed method achieved satisfactory classification accuracy, with an average of 91.60%. The abnormal brain regions included the bilateral precuneus, right parahippocampal gyrus?hippocampus, right posterior cingulate gyrus, and other regions that are known to be important in Alzheimer's disease. Machine learning classification combining multiple features of a hyper-network of functional magnetic resonance imaging data in Alzheimer's disease obtains better classification performance. PMID- 29209157 TI - The Effect of Head Model Simplification on Beamformer Source Localization. AB - Beamformers are a widely-used tool in brain analysis with magnetoencephalography (MEG) and electroencephalography (EEG). For the construction of the beamformer filters realistic head volume conductor modeling is necessary for accurately computing the EEG and MEG leadfields, i.e., for solving the EEG and MEG forward problem. In this work, we investigate the influence of including realistic head tissue compartments into a finite element method (FEM) model on the beamformer's localization ability. Specifically, we investigate the effect of including cerebrospinal fluid, gray matter, and white matter distinction, as well as segmenting the skull bone into compacta and spongiosa, and modeling white matter anisotropy. We simulate an interictal epileptic measurement with white sensor noise. Beamformer filters are constructed with unit gain, unit array gain, and unit noise gain constraint. Beamformer source positions are determined by evaluating power and excess sample kurtosis (g2) of the source-waveforms at all source space nodes. For both modalities, we see a strong effect of modeling the cerebrospinal fluid and white and gray matter. Depending on the source position, both effects can each be in the magnitude of centimeters, rendering their modeling necessary for successful localization. Precise skull modeling mainly effected the EEG up to a few millimeters, while both modalities could profit from modeling white matter anisotropy to a smaller extent of 5-10 mm. The unit noise gain or neural activity index beamformer behaves similarly to the array gain beamformer when noise strength is sufficiently high. Variance localization seems more robust against modeling errors than kurtosis. PMID- 29209158 TI - Induced Pluripotent Stem Cell-Derived Neural Stem Cell Transplantations Reduced Behavioral Deficits and Ameliorated Neuropathological Changes in YAC128 Mouse Model of Huntington's Disease. AB - Huntington's disease (HD) is a genetic neurodegenerative disorder characterized by neuronal loss and motor dysfunction. Although there is no effective treatment, stem cell transplantation offers a promising therapeutic strategy, but the safety and efficacy of this approach needs to be optimized. The purpose of this study was to test the potential of intra-striatal transplantation of induced pluripotent stem cell-derived neural stem cells (iPS-NSCs) for treating HD. For this purpose, we developed mouse adenovirus-generated iPSCs, differentiated them into neural stem cells in vitro, labeled them with Hoechst, and transplanted them bilaterally into striata of 10-month old wild type (WT) and HD YAC128 mice. We assessed the efficiency of these transplanted iPS-NSCs to reduce motor deficits in YAC128 mice by testing them on an accelerating rotarod task at 1 day prior to transplantation, and then weekly for 10 weeks. Our results showed an amelioration of locomotor deficits in YAC128 mice that received iPS-NSC transplantations. Following testing, the mice were sacrificed, and their brains were analyzed using immunohistochemistry and Western blot (WB). The results from our histological examinations revealed no signs of tumors and evidence that many iPS-NSCs survived and differentiated into region-specific neurons (medium spiny neurons) in both WT and HD mice, as confirmed by co-labeling of Hoechst-labeled transplanted cells with NeuN and DARPP-32. Also, counts of Hoechst-labeled cells revealed that a higher proportion were co-labeled with DARPP-32 and NeuN in HD-, compared to WT- mice, suggesting a dissimilar differentiation pattern in HD mice. Whereas significant decreases were found in counts of NeuN- and DARPP-32-labeled cells, and for neuronal density measures in striata of HD vehicle controls, such decrements were not observed in the iPS-NSCs-transplanted-HD mice. WB analysis showed increase of BDNF and TrkB levels in striata of transplanted HD mice compared to HD vehicle controls. Collectively, our data suggest that iPS-NSCs may provide an effective option for neuronal replacement therapy in HD. PMID- 29209159 TI - Interference between Space and Time Estimations: From Behavior to Neurons. AB - Influences between time and space can be found in our daily life in which we are surrounded by numerous spatial metaphors to refer to time. For instance, when we move files from one folder to another in our computer a horizontal line that grows from left to right informs us about the elapsed and remaining time to finish the procedure and, similarly, in our communication we use several spatial terms to refer to time. Although with some differences in the degree of interference, not only space has an influence on time but both magnitudes influence each other. Indeed, since our childhood our estimations of time are influenced by space even when space should be irrelevant and the same occurs when estimating space with time as distractor. Such interference between magnitudes has also been observed in monkeys even if they do not use language or computers, suggesting that the two magnitudes are tightly coupled beyond communication and technology. Imaging and lesion studies have indicated that same brain areas are involved during the processing of both magnitudes and have suggested that rather than coding the specific magnitude itself the brain represents them as abstract concepts. Recent neurophysiological studies in prefrontal cortex, however, have shown that the coding of absolute and relative space and time in this area is realized by independent groups of neurons. Interestingly, instead, a high overlap was observed in this same area in the coding of goal choices across tasks. These results suggest that rather than during perception or estimation of space and time the interference between the two magnitudes might occur, at least in the prefrontal cortex, in a subsequent phase in which the goal has to be chosen or the response provided. PMID- 29209161 TI - Electroacupuncture Attenuates Visceral Hypersensitivity by Inhibiting JAK2/STAT3 Signaling Pathway in the Descending Pain Modulation System. AB - Electroacupuncture (EA) has been used for treating visceral hypersensitivity (VH). However, the underlying molecular mechanism remains unclear. This study was aim to testify the effect of EA on ileitis-provoked VH, and to confirm whether EA attenuates VH through Janus kinase 2 (JAK2)/signal transducers and activators of transcription 3 (STAT3) signaling pathway in the periaqueductal gray (PAG)-the rostral ventromedial medulla (RVM)-the spinal cord dorsal horn (SCDH) axis. Methods: Goats were anesthetized and laparotomized for injecting 2,4,6-trinitro benzene-sulfonic acid (TNBS)-ethanol solution (30mg TNBS dissolved in 40% ethanol) into the ileal wall to induce VH. EA was treated for 30min from day 7, then every 3 days for six times. VH was assessed by visceromotor response (VMR) and pain behavior response to 20, 40, 60, 80, and 100 mmHg colorectal distension pressures at day 7, 10, 13, 16, 19, and 22. The spinal cord in the eleventh thoracic vertebra and the brain were collected at day 22. The protein and mRNA levels of IL-6, JAK2, and STAT3 in the SCDH were detected with western blot and qPCR, respectively. The distribution of these substances was observed with immunohistochemistry in the ventrolateral PAG (vlPAG), RVM (mainly the nucleus raphe magnus, NRM), SCDH, the nucleus tractus solitaries (NTS) and the dorsal motor nucleus of vagi (DMV). Results: Goats administered with TNBS-ethanol solution showed diarrhea, enhanced VMR and pain behavior response, and increased IL-6, phosphorylated JAK2 and STAT3 (pJAK2 and pSTAT3) in the vlPAG, NRM, NTS and DMV, and their protein and mRNA levels in the SCDH. EA relieved diarrhea, VMR and pain behavior response, decreased IL-6, pJAK2 and pSTAT3 levels in the vlPAG, NRM, SCDH, NTS, and DMV except for pSTAT3 in the DMV, but did not affect mRNA level of these three substances in the SCDH. Conclusion: EA attenuates VH probably through inhibiting JAK2/STAT3 signaling pathway in the PAG-RVM-SCDH axis. PMID- 29209160 TI - Molecular Mechanisms of Antipsychotic Drug-Induced Diabetes. AB - Antipsychotic drugs (APDs) are widely prescribed to control various mental disorders. As mental disorders are chronic diseases, these drugs are often used over a life-time. However, APDs can cause serious glucometabolic side-effects including type 2 diabetes and hyperglycaemic emergency, leading to medication non compliance. At present, there is no effective approach to overcome these side effects. Understanding the mechanisms for APD-induced diabetes should be helpful in prevention and treatment of these side-effects of APDs and thus improve the clinical outcomes of APDs. In this review, the potential mechanisms for APD induced diabetes are summarized so that novel approaches can be considered to relieve APD-induced diabetes. APD-induced diabetes could be mediated by multiple mechanisms: (1) APDs can inhibit the insulin signaling pathway in the target cells such as muscle cells, hepatocytes and adipocytes to cause insulin resistance; (2) APD-induced obesity can result in high levels of free fatty acids (FFA) and inflammation, which can also cause insulin resistance. (3) APDs can cause direct damage to beta-cells, leading to dysfunction and apoptosis of beta cells. A recent theory considers that both beta-cell damage and insulin resistance are necessary factors for the development of diabetes. In high-fat diet-induced diabetes, the compensatory ability of beta-cells is gradually damaged, while APDs cause direct beta-cell damage, accounting for the severe form of APD-induced diabetes. Based on these mechanisms, effective prevention of APD induced diabetes may need an integrated approach to combat various effects of APDs on multiple pathways. PMID- 29209162 TI - Characterization of Cochlear, Vestibular and Cochlear-Vestibular Electrically Evoked Compound Action Potentials in Patients with a Vestibulo-Cochlear Implant. AB - The peripheral vestibular system is critical for the execution of activities of daily life as it provides movement and orientation information to motor and sensory systems. Patients with bilateral vestibular hypofunction experience a significant decrease in quality of life and have currently no viable treatment option. Vestibular implants could eventually restore vestibular function. Most vestibular implant prototypes to date are modified cochlear implants to fast track development. These use various objective measurements, such as the electrically evoked compound action potential (eCAP), to supplement behavioral information. We investigated whether eCAPs could be recorded in patients with a vestibulo-cochlear implant. Specifically, eCAPs were successfully recorded for cochlear and vestibular setups, as well as for mixed cochlear-vestibular setups. Similarities and slight differences were found for the recordings of the three setups. These findings demonstrated the feasibility of eCAP recording with a vestibulo-cochlear implant. They could be used in the short term to reduce current spread and avoid activation of non-targeted neurons. More research is warranted to better understand the neural origin of vestibular eCAPs and to utilize them for clinical applications. PMID- 29209163 TI - Voluntary Ambulation by Upper Limb-Triggered HAL(r) in Patients with Complete Quadri/Paraplegia Due to Chronic Spinal Cord Injury. AB - Patients with complete paraplegia after spinal cord injury (SCI) are unable to stand or walk on their own. Standing exercise decreases the risk of decubitus ulcers, osteoporosis, and joint deformities in patients with SCI. Conventional gait training for complete paraplegia requires excessive upper limb usage for weight bearing and is difficult in cases of complete quadriplegia. The purpose of this study was to describe voluntary ambulation triggered by upper limb activity using the Hybrid Assistive Limb(r) (HAL) in patients with complete quadri/paraplegia after chronic SCI. Four patients (3 men, 1 woman) were enrolled in this study. The mean patient age +/- standard deviation was 37.2 +/- 17.8 (range, 20-67) years. Clinical evaluation before intervention revealed the following findings: case 1, neurological level C6, American Spinal Cord Injury Association impairment scale (AIS) grade B; case 2, T6, AIS A; case 3, T10 AIS A; and case 4, T11, AIS A. The HAL intervention consisted of 10 sessions. Each HAL session lasted 60-90 min. The HAL electrodes for hip and knee flexion-extension were placed on the anterior and posterior sides of the upper limbs contralaterally corresponding to each of the lower limbs. Surface electromyography (EMG) was used to evaluate muscle activity of the tensor fascia lata and quadriceps femoris (Quad) in synchronization with a Vicon motion capture system. The modified Ashworth scale (mAs) score was also evaluated before and after each session. All participants completed all 10 sessions. Cases 1, 2, and 3 demonstrated significant decreases in mAs score after the sessions compared to pre-session measurements. In all cases, EMG before the intervention showed no apparent activation in either Quad. However, gait phase dependent activity of the lower limb muscles was seen during voluntarily triggered ambulation driven by upper limb muscle activities. In cases 3 and 4, active contraction in both Quads was observed after intervention. These findings suggest that upper-limb-triggered HAL ambulation is a safe and feasible option for rehabilitation in patients with complete quadri/paraplegia caused by chronic SCI. PMID- 29209164 TI - Differential Expression of Sox11 and Bdnf mRNA Isoforms in the Injured and Regenerating Nervous Systems. AB - In both the central nervous system (CNS) and the peripheral nervous system (PNS), axonal injury induces changes in neuronal gene expression. In the PNS, a relatively well-characterized alteration in transcriptional activation is known to promote axonal regeneration. This transcriptional cascade includes the neurotrophin Bdnf and the transcription factor Sox11. Although both molecules act to facilitate successful axon regeneration in the PNS, this process does not occur in the CNS. The present study examines the differential expression of Sox11 and Bdnf mRNA isoforms in the PNS and CNS using three experimental paradigms at different time points: (i) the acutely injured CNS (retina after optic nerve crush) and PNS (dorsal root ganglion after sciatic nerve crush), (ii) a CNS regeneration model (retina after optic nerve crush and induced regeneration); and (iii) the retina during a chronic form of central neurodegeneration (the DBA/2J glaucoma model). We find an initial increase of Sox11 in both PNS and CNS after injury; however, the expression of Bdnf isoforms is higher in the PNS relative to the CNS. Sustained upregulation of Sox11 is seen in the injured retina following regeneration treatment, while the expression of two Bdnf mRNA isoforms is suppressed. Furthermore, two isoforms of Sox11 with different 3'UTR lengths are present in the retina, and the long isoform is specifically upregulated in later stages of glaucoma. These results provide insight into the molecular cascades active during axonal injury and regeneration in mammalian neurons. PMID- 29209165 TI - MicroRNA-133b Negatively Regulates Zebrafish Single Mauthner-Cell Axon Regeneration through Targeting tppp3 in Vivo. AB - Axon regeneration, fundamental to nerve repair, and functional recovery, relies on rapid changes in gene expression attributable to microRNA (miRNA) regulation. MiR-133b has been proved to play an important role in different organ regeneration in zebrafish, but its role in regulating axon regeneration in vivo is still controversial. Here, combining single-cell electroporation with a vector based miRNA-expression system, we have modulated the expression of miR-133b in Mauthner-cells (M-cells) at the single-cell level in zebrafish. Through in vivo imaging, we show that overexpression of miR-133b inhibits axon regeneration, whereas down-regulation of miR-133b, promotes axon outgrowth. We further show that miR-133b regulates axon regeneration by directly targeting a novel regeneration-associated gene, tppp3, which belongs to Tubulin polymerization promoting protein family. Gain or loss-of-function of tppp3 experiments indicated that tppp3 was a novel gene that could promote axon regeneration. In addition, we observed a reduction of mitochondrial motility, which have been identified to have a positive correlation with axon regeneration, in miR-133b overexpressed M cells. Taken together, our work provides a novel way to study the role of miRNAs in individual cell and establishes a critical cell autonomous role of miR-133b in zebrafish M-cell axon regeneration. We propose that up-regulation of the newly founded regeneration-associated gene tppp3 may enhance axonal regeneration. PMID- 29209166 TI - miR-145-5p/Nurr1/TNF-alpha Signaling-Induced Microglia Activation Regulates Neuron Injury of Acute Cerebral Ischemic/Reperfusion in Rats. AB - Nurr1 is a member of the nuclear receptor 4 family of orphan nuclear receptors that is decreased in inflammatory responses and leads to neurons death in Parkinson's disease. Abnormal expression of Nurr1 have been attributed to various signaling pathways, but little is known about microRNAs (miRNAs) regulation of Nurr1 in ischemia/reperfusion injury. To investigate the post transcriptional regulatory networks of Nurr1, we used a miRNA screening approach and identified miR-145-5p as a putative regulator of Nurr1. By using computer predictions, we identified and confirmed a miRNA recognition element in the 3'UTR of Nurr1 that was responsible for miR-145-5p-mediated suppression. We next demonstrated that overexpression of Nurr1 inhibited TNF-alpha expression in microglia by trans repression and finally attenuated ischemia/reperfusion-induced inflammatory and cytotoxic response of neurons. Results of further in vivo study revealed that anti-miR-145-5p administration brought about increasing expression of Nurr1 and reduction of infarct volume in acute cerebral ischemia. Administration of anti miR-145-5p promotes neurological outcome of rats post MCAO/R. It might be an effective therapeutic strategy to relieve neurons injury upon ischemia/reperfusion of rats through interrupting the axis signaling of miR-145 5p- Nurr1-TNF-alpha in acute phase. PMID- 29209167 TI - Heme Oxygenase-1 Induction by Carbon Monoxide Releasing Molecule-3 Suppresses Interleukin-1beta-Mediated Neuroinflammation. AB - Neurodegenerative disorders and brain damage are initiated by excessive production of reactive oxygen species (ROS), which leads to tissue injury, cellular death and inflammation. In cellular anti-oxidant systems, heme oxygenase 1 (HO-1) is an oxidative-sensor protein induced by ROS generation or carbon monoxide (CO) release. CO releasing molecules (CORMs), including CORM-3, exert anti-oxidant and anti-inflammatory effects. However, the molecular mechanisms of CORM-3-induced HO-1 expression and protection against interleukin (IL)-1beta induced inflammatory responses have not been fully elucidated in rat brain astrocytes (RBA-1). To study the regulation of CORM-3-induced HO-1 expression, signaling pathways, promoter activity, mRNA and protein expression were assessed following treatment with pharmacological inhibitors and gene-specific siRNA knockdown. We found that CORM-3 mediated HO-1 induction via transcritional and translational processes. Furthermore, CORM-3-induced HO-1 expression was mediated by phosphorylation of several protein kinases, such as c-Src, Pyk2, protein kinase Calpha (PKCalpha) and p42/p44 mitogen-activated protein kinase (MAPK), which were inhibited by respective pharmacological inhibitors or by gene-specific knockdown with siRNA transfections. Next, we found that CORM-3 sequentially activated the c-Src/Pyk2/PKCalpha/p42/p44 MAPK pathway, thereby up-regulating mRNA for the activator protein (AP)-1 components c-Jun and c-Fos; these effects were attenuated by an AP-1 inhibitor (Tanshinone IIA; TSIIA) and other relevant inhibitors. Moreover, CORM-3-induced upregulation of HO-1 attenuated the IL-1beta induced cell migration and matrix metallopeptidase-9 mRNA expression in RBA-1 cells. These effects were reversed by an matrix metalloproteinase (MMP)2/9 inhibitor or by transfection with HO-1 siRNA. PMID- 29209168 TI - Direct Neuronal Glucose Uptake Is Required for Contextual Fear Acquisition in the Dorsal Hippocampus. AB - The metabolism of glucose is a nearly exclusive source of energy for maintaining neuronal survival, synaptic transmission and information processing in the brain. Two glucose metabolism pathways have been reported, direct neuronal glucose uptake and the astrocyte-neuron lactate shuttle (ANLS), which can be involved in these functions simultaneously or separately. Although ANLS in the dorsal hippocampus (DH) has been proved to be required for memory consolidation, the specific metabolic pathway involved during memory acquisition remains unclear. The DH and amygdala are two key brain regions for acquisition of contextual fear conditioning (CFC). In 2-NBDG experiments, we observed that 2-NBDG-positive neurons were significantly increased during the acquisition of CFC in the DH. However, in the amygdala and cerebellum, 2-NBDG-positive neurons were not changed during CFC training. Strikingly, microinjection of a glucose transporter (GLUT) inhibitor into the DH decreased freezing values during CFC training and 1 h later, while injection of a monocarboxylate transporter (MCT) inhibitor into the amygdala also reduced freezing values. Therefore, we demonstrated that direct neuronal glucose uptake was the primary means of energy supply in the DH, while ANLS might supply energy in the amygdala during acquisition. Furthermore, knockdown of GLUT3 by a lentivirus in the DH impaired the acquisition of CFC. Taken together, the results indicated that there were two different glucose metabolism pathways in the DH and amygdala during acquisition of contextual fear memory and that direct neuronal glucose uptake in the DH may be regulated by GLUT3. PMID- 29209169 TI - Amyloid-beta Homeostasis Bridges Inflammation, Synaptic Plasticity Deficits and Cognitive Dysfunction in Multiple Sclerosis. AB - Cognitive deficits are frequently observed in multiple sclerosis (MS), mainly involving processing speed and episodic memory. Both demyelination and gray matter atrophy can contribute to cognitive deficits in MS. In recent years, neuroinflammation is emerging as a new factor influencing clinical course in MS. Inflammatory cytokines induce synaptic dysfunction in MS. Synaptic plasticity occurring within hippocampal structures is considered as one of the basic physiological mechanisms of learning and memory. In experimental models of MS, hippocampal plasticity is profoundly altered by proinflammatory cytokines. Although mechanisms of inflammation-induced hippocampal pathology in MS are not completely understood, alteration of Amyloid-beta (Abeta) metabolism is emerging as a key factor linking together inflammation, synaptic plasticity and neurodegeneration in different neurological diseases. We explored the correlation between concentrations of Abeta1-42 and the levels of some proinflammatory and anti-inflammatory cytokines (interleukin-1beta (IL-1beta), IL1-ra, IL-8, IL-10, IL-12, tumor necrosis factor alpha (TNFalpha), interferon gamma (IFNgamma)) in the cerebrospinal fluid (CSF) of 103 remitting MS patients. CSF levels of Abeta1 42 were negatively correlated with the proinflammatory cytokine IL-8 and positively correlated with the anti-inflammatory molecules IL-10 and interleukin 1 receptor antagonist (IL-1ra). Other correlations, although noticeable, were either borderline or not significant. Our data show that an imbalance between proinflammatory and anti-inflammatory cytokines may lead to altered Abeta homeostasis, representing a key factor linking together inflammation, synaptic plasticity and cognitive dysfunction in MS. This could be relevant to identify novel therapeutic approaches to hinder the progression of cognitive dysfunction in MS. PMID- 29209170 TI - Noradrenaline Modulates the Membrane Potential and Holding Current of Medial Prefrontal Cortex Pyramidal Neurons via beta1-Adrenergic Receptors and HCN Channels. AB - The medial prefrontal cortex (mPFC) receives dense noradrenergic projections from the locus coeruleus. Adrenergic innervation of mPFC pyramidal neurons plays an essential role in both physiology (control of memory formation, attention, working memory, and cognitive behavior) and pathophysiology (attention deficit hyperactivity disorder, posttraumatic stress disorder, cognitive deterioration after traumatic brain injury, behavioral changes related to addiction, Alzheimer's disease and depression). The aim of this study was to elucidate the mechanism responsible for adrenergic receptor-mediated control of the resting membrane potential in layer V mPFC pyramidal neurons. The membrane potential or holding current of synaptically isolated layer V mPFC pyramidal neurons was recorded in perforated-patch and classical whole-cell configurations in slices from young rats. Application of noradrenaline (NA), a neurotransmitter with affinity for all types of adrenergic receptors, evoked depolarization or inward current in the tested neurons irrespective of whether the recordings were performed in the perforated-patch or classical whole-cell configuration. The effect of noradrenaline depended on beta1- and not alpha1- or alpha2-adrenergic receptor stimulation. Activation of beta1-adrenergic receptors led to an increase in inward Na+ current through hyperpolarization-activated cyclic nucleotide-gated (HCN) channels, which carry a mixed Na+/K+ current. The protein kinase A- and C-, glycogen synthase kinase-3beta- and tyrosine kinase-linked signaling pathways were not involved in the signal transduction between beta1-adrenergic receptors and HCN channels. The transduction system operated in a membrane-delimited fashion and involved the betagamma subunit of G-protein. Thus, noradrenaline controls the resting membrane potential and holding current in mPFC pyramidal neurons through beta1-adrenergic receptors, which in turn activate HCN channels via a signaling pathway involving the betagamma subunit. PMID- 29209171 TI - Influence of Mechanical Stimuli on Schwann Cell Biology. AB - Schwann cells are the glial cells of the peripheral nervous system (PNS). They insulate axons by forming a specialized extension of plasma membrane called the myelin sheath. The formation of myelin is essential for the rapid saltatory propagation of action potentials and to maintain the integrity of axons. Although both axonal and extracellular matrix (ECM) signals are necessary for myelination to occur, the cellular and molecular mechanisms regulating myelination continue to be elucidated. Schwann cells in peripheral nerves are physiologically exposed to mechanical stresses (i.e., tensile, compressive and shear strains), occurring during development, adulthood and injuries. In addition, there is a growing body of evidences that Schwann cells are sensitive to the stiffness of their environment. In this review, we detail the mechanical constraints of Schwann cells and peripheral nerves. We explore the regulation of Schwann cell signaling pathways in response to mechanical stimulation. Finally, we provide a comprehensive overview of the experimental studies addressing the mechanobiology of Schwann cells. Understanding which mechanical properties can interfere with the cellular and molecular biology of Schwann cell during development, myelination and following injuries opens new insights in the regulation of PNS development and treatment approaches in peripheral neuropathies. PMID- 29209172 TI - The Role of Netrin-1 in Improving Functional Recovery through Autophagy Stimulation Following Spinal Cord Injury in Rats. AB - Our previous findings indicated that treatment with Netrin-1 could improve functional recovery through the stimulation of autophagy, by activating the AMP activated protein kinase/mammalian target of rapamycin (AMPK/mTOR) signaling pathway in rats following spinal cord injury (SCI). However, the underlying mechanisms were not elucidated. The purpose of this study was to investigate the underlying mechanisms by which Netrin-1 promotes autophagy and improves functional recovery after SCI. Following controlled SCI in Sprague-Dawley rats, we observed that the autophagic flux in neurons was impaired, as reflected by the accumulation of light chain 3-II (LC3-II)-positive and LC3-positive autophagosomes (APs), accompanied by the accumulation of the autophagic substrate, Sequestosome 1 (SQSTM1; also known as p62). Our results showed that treatment with Netrin-1 increases the levels of the lysosomal protease cathepsin D (CTSD) and lysosomal-associated membrane protein 1 (LAMP1), through the regulation of the nuclear localization of Transcription factor EB (TFEB) via the AMPK/mTOR signaling pathway. In addition, this enhancement of lysosomal biogenesis correlated strongly with the restoration of autophagic flux, inhibition of neural apoptosis and improved functional recovery. Suppression of lysosomal biogenesis via the inhibition of the nuclear translocation of TFEB by Compound C abolished this restoration of autophagic flux and the functional recovery effects of Netrin-1 following SCI. Taken together, these results indicate that Netrin-1 enhances lysosomal biogenesis by regulating the nuclear translocation of TFEB via the AMPK/mTOR signaling pathway. Furthermore, the enhancement of lysosomal biogenesis by Netrin-1 following SCI promotes autophagic flux and improves functional recovery in rats. Thus, the regulation of lysosomal biogenesis by modulating the nuclear localization of TFEB might be a novel approach for the treatment of SCI. PMID- 29209175 TI - Editorial: Biology of Brain Disorders. PMID- 29209176 TI - Central Projections of Antennal and Labial Palp Sensory Neurons in the Migratory Armyworm Mythimna separata. AB - The oriental armyworm, Mythimna separata (Walker), is a polyphagous, migratory pest relying on olfactory cues to find mates, locate nectar, and guide long distance flight behavior. In the present study, a combination of neuroanatomical techniques were utilized on this species, including backfills, confocal microscopy, and three-dimensional reconstructions, to trace the central projections of sensory neurons from the antenna and the labial pit organ, respectively. As previously shown, the axons of the labial sensory neurons project via the ipsilateral labial nerve and terminate in three main areas of the central nervous system: (1) the labial-palp pit organ glomerulus of each antennal lobe, (2) the gnathal ganglion, and (3) the prothoracic ganglion of the ventral nerve cord. Similarly, the antennal sensory axons project to multiple areas of the central nervous system. The ipsilateral antennal nerve targets mainly the antennal lobe, the antennal mechanosensory and motor center, and the prothoracic and mesothoracic ganglia. Specific staining experiments including dye application to each of the three antennal segments indicate that the antennal lobe receives input from flagellar olfactory neurons exclusively, while the antennal mechanosensory and motor center is innervated by mechanosensory neurons from the whole antenna, comprising the flagellum, pedicle, and scape. The terminals in the mechanosensory and motor center are organized in segregated zones relating to the origin of neurons. The flagellar mechanosensory axons target anterior zones, while the pedicular and scapal axons terminate in posterior zones. In the ventral nerve cord, the processes from the antennal sensory neurons terminate in the motor area of the thoracic ganglia, suggesting a close connection with motor neurons. Taken together, the numerous neuropils innervated by axons both from the antenna and labial palp indicate the multiple roles these sensory organs serve in insect behavior. PMID- 29209174 TI - Potential Mechanisms Underlying Inflammation-Enhanced Aminoglycoside-Induced Cochleotoxicity. AB - Aminoglycoside antibiotics remain widely used for urgent clinical treatment of life-threatening infections, despite the well-recognized risk of permanent hearing loss, i.e., cochleotoxicity. Recent studies show that aminoglycoside induced cochleotoxicity is exacerbated by bacteriogenic-induced inflammation. This implies that those with severe bacterial infections (that induce systemic inflammation), and are treated with bactericidal aminoglycosides are at greater risk of drug-induced hearing loss than previously recognized. Incorporating this novel comorbid factor into cochleotoxicity risk prediction models will better predict which individuals are more predisposed to drug-induced hearing loss. Here, we review the cellular and/or signaling mechanisms by which host-mediated inflammatory responses to infection could enhance the trafficking of systemically administered aminoglycosides into the cochlea to enhance the degree of cochleotoxicity over that in healthy preclinical models. Once verified, these mechanisms will be potential targets for novel pharmacotherapeutics that reduce the risk of drug-induced hearing loss (and acute kidney damage) without compromising the life-saving bactericidal efficacy of aminoglycosides. PMID- 29209177 TI - A New Behavioral Test and Associated Genetic Tools Highlight the Function of Ventral Abdominal Muscles in Adult Drosophila. AB - The function of the nervous system in complex animals is reflected by the achievement of specific behaviors. For years in Drosophila, both simple and complex behaviors have been studied and their genetic bases have emerged. The neuromuscular junction is maybe one of the prototypal simplest examples. A motor neuron establishes synaptic connections on its muscle cell target and elicits behavior: the muscle contraction. Different muscles in adult fly are related to specific behaviors. For example, the thoracic muscles are associated with flight and the leg muscles are associated with locomotion. However, specific tools are still lacking for the study of cellular physiology in distinct motor neuron subpopulations. Here we decided to use the abdominal muscles and in particular the ventral abdominal muscles (VAMs) in adult Drosophila as new model to link a precise behavior to specific motor neurons. Hence, we developed a new behavioral test based on the folding movement of the adult abdomen. Further, we performed a genetic screen and identify two specific Gal4 lines with restricted expression patterns to the adult motor neurons innervating the VAMs or their precursor cells. Using these genetic tools, we showed that the lack of the VAMs or the loss of the synaptic transmission in their innervating motor neurons lead to a significant impairment of the abdomen folding behavior. Altogether, our results allow establishing a direct link between specific motor neurons and muscles for the realization of particular behavior: the folding behavior of the abdomen in Drosophila. PMID- 29209178 TI - A Three-Layer Network Model of Direction Selective Circuits in the Optic Tectum. AB - The circuit mechanisms that give rise to direction selectivity in the retina have been studied extensively but how direction selectivity is established in retinorecipient areas of the brain is less well understood. Using functional imaging in larval zebrafish we examine how the direction of motion is encoded by populations of neurons at three layers of the optic tectum; retinal ganglion cell axons (RGCs), a layer of superficial inhibitory interneurons (SINs), and periventricular neurons (PVNs), which constitute the majority of neurons in the tectum. We show that the representation of motion direction is transformed at each layer. At the level of RGCs and SINs the direction of motion is encoded by three direction-selective (DS) subtypes tuned to upward, downward, and caudal-to rostral motion. However, the tuning of SINs is significantly narrower and this leads to a conspicuous gap in the representation of motion in the rostral-to caudal direction at the level of SINs. Consistent with previous findings we demonstrate that, at the level of PVNs the direction of motion is encoded by four DS cell types which include an additional DS PVN cell type tuned to rostral-to caudal motion. Strikingly, the tuning profile of this emergent cell type overlaps with the gap in the representation of rostral-to-caudal motion at the level of SINs. Using our functional imaging data we constructed a simple computational model that demonstrates how the emergent population of PVNs is generated by the interactions of cells at each layer of the tectal network. The model predicts that PVNs tuned to rostral-to-caudal motion can be generated via convergence of DS RGCs tuned to upward and downward motion and feedforward tuned inhibition via SINs which suppresses responses to non-preferred directions. Thus, by reshaping directional tuning that is inherited from the retina inhibitory inputs from SINs can generate a novel subtype of DS PVN and in so doing enhance the encoding of directional stimuli. PMID- 29209173 TI - Fundamental Elements in Autism: From Neurogenesis and Neurite Growth to Synaptic Plasticity. AB - Autism spectrum disorder (ASD) is a set of neurodevelopmental disorders with a high prevalence and impact on society. ASDs are characterized by deficits in both social behavior and cognitive function. There is a strong genetic basis underlying ASDs that is highly heterogeneous; however, multiple studies have highlighted the involvement of key processes, including neurogenesis, neurite growth, synaptogenesis and synaptic plasticity in the pathophysiology of neurodevelopmental disorders. In this review article, we focus on the major genes and signaling pathways implicated in ASD and discuss the cellular, molecular and functional studies that have shed light on common dysregulated pathways using in vitro, in vivo and human evidence. Highlights Autism spectrum disorder (ASD) has a prevalence of 1 in 68 children in the United States.ASDs are highly heterogeneous in their genetic basis.ASDs share common features at the cellular and molecular levels in the brain.Most ASD genes are implicated in neurogenesis, structural maturation, synaptogenesis and function. PMID- 29209179 TI - Effect of Transcranial Direct Current Stimulation of the Medial Prefrontal Cortex on the Gratitude of Individuals with Heterogeneous Ability in an Experimental Labor Market. AB - Gratitude is an important aspect of human sociality, which benefits mental health and interpersonal relationships. Thus, elucidating the neural mechanism of gratitude, which is only now beginning to be investigated, is important. To this end, this study specifies the medial prefrontal cortex (mPFC) involved in the gratitude of heterogeneous individuals using the transcranial direct current stimulation (tDCS) technique. Previous neural studies have shown the involvement of mPFC in social cognition and value evaluation, which are closely related to gratitude. However, the causal relationship between this neural area and gratitude has not been fully examined and the effect of individual social heterogeneity has been ignored. Meanwhile, behavioral economics studies have proposed that the abilities of employees in the labor market would affect their gratitude and emotional response. Thus, we designed an experiment based on gift exchange game to investigate the relationship between mPFC and gratitude of heterogeneous employees. Before the experiment, participants were asked to perform self-cognition of their abilities through an appropriately difficult task. We then used the effort of participants to imply their gratitude and analyzed the effort levels of employees with different abilities under anodal, cathodal, and sham stimulations. The results showed that employees under anodal stimulation were significantly likely to increase their effort than those under sham stimulation, and employees under cathodal stimulation ranked at the bottom of the list. Moreover, the effort levels of low-ability employees were obviously higher than those of high-ability employees. The cathodal stimulation of mPFC significantly reduced the effort levels of low-ability employees, whereas its anodal tDCS stimulation increased the effort levels of high-ability employees. These outcomes verify the relationship between mPFC and gratitude using tDCS and provided one of the first instances of neural evidence for the incentive mechanism design in the labor market to a certain extent. PMID- 29209180 TI - Frontal EEG Asymmetry of Mood: A Mini-Review. AB - The present mini-review was aimed at exploring the frontal EEG asymmetry of mood. With respect to emotion, interpreted as a discrete affective process, mood is more controllable, more nebulous, and more related to mind/cognition; in addition, causes are less well-defined than those eliciting emotion. Therefore, firstly, the rational for the distinction between emotion and mood was provided. Then, the main frontal EEG asymmetry models were presented, such as the motivational approach/withdrawal, valence/arousal, capability, and inhibition asymmetric models. Afterward, the frontal EEG asymmetry of mood was investigated following three research lines, that is considering studies involving different mood induction procedures, dispositional mood (positive and negative affect), and mood alterations in both healthy and clinical populations. In general, results were found to be contradictory, no model is unequivocally supported regardless the research line considered. Different methodological issues were raised, such as: the composition of samples used across studies, in particular, gender and age were found to be critical variables that should be better addressed in future studies; the importance of third variables that might mediate the relationship between frontal EEG asymmetries and mood, for example bodily states and hormonal responses; the role of cognition, namely the interplay between mood and executive functions. In light of these issues, future research directions were proposed. Amongst others, the need to explore the neural connectivity that underpins EEG asymmetries, and the need to include both positive and negative mood conditions in the experimental designs have been highlighted. PMID- 29209181 TI - The Agent Brain: A Review of Non-invasive Brain Stimulation Studies on Sensing Agency. AB - According to philosophy of mind and neuroscientific models, the sense of agency can be defined as the sense that I am the one that is generating an action and causing its effects. Such ability to sense ourselves as causal agents is critical for the definition of intentional behavior and is a primary root for human interaction skills. The present mini-review aims at discussing evidences from non invasive brain stimulation (NIBS) studies targeting functional correlates of different aspects of agency and evidences on the way stimulation techniques affect such core feature of human subjective experience. Clinical and brain imaging studies helped in defining a neural network mediating agency-related processes, which includes the dorsolateral prefrontal cortex (dlPFC), the cingulate cortex (CC), the supplementary and pre-supplementary motor areas (SMA and pre-SMA), the posterior parietal cortex (PPC) and its inferior regions and the cerebellum. However, while the plurality of those structures mirrors the complexity of the phenomenon, their actual roles with respect to different components of the experience of agency have been primarily explored via correlational techniques, without a clear evidence about their causal significance with respect to the integration of sensorimotor information, intentionalization, and action monitoring processes. Therefore, insights into the specific causal role of different cortical structures can be specified by using NIBS techniques, in order to provide improved understanding into the bases of our ability vs. inability to properly act in complex social contexts. PMID- 29209182 TI - Cognitive, Emotional, and Auto-Activation Dimensions of Apathy in Parkinson's Disease. AB - Apathy is one of the most frequent non-motor manifestations in Parkinson's disease (PD) that can lead to a whole range of deleterious outcomes. In 2006, Levy and Dubois proposed a model that distinguishes three different apathy aetiologies in PD divided into three subtypes of disrupted processing: "emotional affective," "cognitive," and "auto-activation." These three dimensions associated with dopamine depletion present in the pathology would lead to the emergence of apathy in PD. The aim of this mini-review was to describe and discuss studies that have explore links between apathy and the three subtypes of disrupted processing proposed by Levy and Dubois (2006) and as well as the links between these dimensions and dopamine depletion in Parkinson's disease. The lack of consensus regarding the emotional-affective correlates of apathy and the lack of evidence supporting the hypothesis of the auto-activation deficit, do not clearly confirm the validity of Levy and Dubois's model. Furthermore, the suggested association between dopaminergic depletion and apathy must also be clarified. PMID- 29209183 TI - Cognitive Flexibility Training: A Large-Scale Multimodal Adaptive Active-Control Intervention Study in Healthy Older Adults. AB - As aging is associated with cognitive decline, particularly in the executive functions, it is essential to effectively improve cognition in older adults. Online cognitive training is currently a popular, though controversial method. Although some changes seem possible in older adults through training, far transfer, and longitudinal maintenance are rarely seen. Based on previous literature we created a unique, state-of-the-art intervention study by incorporating frequent sessions and flexible, novel, adaptive training tasks, along with an active control group. We created a program called TAPASS (Training Project Amsterdam Seniors and Stroke), a randomized controlled trial. Healthy older adults (60-80 y.o.) were assigned to a frequent- (FS) or infrequent switching (IS) experimental condition or to the active control group and performed 58 half-hour sessions over the course of 12 weeks. Effects on executive functioning, processing- and psychomotor speed, planning, verbal long term memory, verbal fluency, and reasoning were measured on four time points before, during and after the training. Additionally, we examined the explorative question which individual aspects added to training benefit. Besides improvements on the training, we found significant time effects on multiple transfer tasks in all three groups that likely reflected retest effects. No training-specific improvements were detected, and we did not find evidence of additional benefits of individual characteristics. Judging from these results, the therapeutic value of using commercially available training games to train the aging brain is modest, though any apparent effects should be ascribed more to expectancy and motivation than to the elements in our training protocol. Our results emphasize the importance of using parallel tests as outcome measures for transfer and including both active and passive control conditions. Further investigation into different training methods is advised, including stimulating social interaction and the use of more variable, novel, group-based yet individual-adjusted exercises. PMID- 29209184 TI - Dynamics of Intersubject Brain Networks during Anxious Anticipation. AB - How do large-scale brain networks reorganize during the waxing and waning of anxious anticipation? Here, threat was dynamically modulated during human functional MRI as two circles slowly meandered on the screen; if they touched, an unpleasant shock was delivered. We employed intersubject correlation analysis, which allowed the investigation of network-level functional connectivity across brains, and sought to determine how network connectivity changed during periods of approach (circles moving closer) and periods of retreat (circles moving apart). Analysis of positive connection weights revealed that dynamic threat altered connectivity within and between the salience, executive, and task negative networks. For example, dynamic functional connectivity increased within the salience network during approach and decreased during retreat. The opposite pattern was found for the functional connectivity between the salience and task negative networks: decreases during approach and increases during approach. Functional connections between subcortical regions and the salience network also changed dynamically during approach and retreat periods. Subcortical regions exhibiting such changes included the putative periaqueductal gray, putative habenula, and putative bed nucleus of the stria terminalis. Additional analysis of negative functional connections revealed dynamic changes, too. For example, negative weights within the salience network decreased during approach and increased during retreat, opposite what was found for positive weights. Together, our findings unraveled dynamic features of functional connectivity of large-scale networks and subcortical regions across participants while threat levels varied continuously, and demonstrate the potential of characterizing emotional processing at the level of dynamic networks. PMID- 29209185 TI - Commentary: Brain-to-Brain Synchrony Tracks Real-World Dynamic Group Interactions in the Classroom and Cognitive Neuroscience: Synchronizing Brains in the Classroom. PMID- 29209187 TI - The Utility- and Use-of Neurotechnology to Recover Consciousness: Technical and Neuroethical Considerations in Approaching the "Hard Question" of Neuroscience. PMID- 29209186 TI - The Neural Association between Tendency to Forgive and Spontaneous Brain Activity in Healthy Young Adults. AB - The tendency to forgive (TTF) refers to one's global dispositional level of forgiveness across situations and relationships. Previous brain imaging studies examined activation patterns underlying forgiving process, yet the association between individual differences in the TTF and spontaneous brain activity at resting-state remains unknown. In this study, resting-state functional magnetic resonance imaging (fMRI) was used to investigate the correlation between the TTF and spontaneous brain activity in a young adult sample. Participants were 178 young students (55 men) who completed the TTF scale and underwent a resting-state fMRI scan. Multiple regression analysis was conducted to assess the association between the regional amplitude of low-frequency fluctuations (ALFF) and TTF scores corrected for age and sex. Results showed that the ALFF value in the right dorsomedial prefrontal cortex (dmPFC), precuneus and inferior parietal lobule (IPL) were negatively associated with TTF scores. These findings suggest that the spontaneous brain activity of brain regions like the dmPFC, precuneus and IPL which are implicated in mentalizing and empathic response are associated with individual differences in the TTF. PMID- 29209189 TI - Spike-Triggered Regression for Synaptic Connectivity Reconstruction in Neuronal Networks. AB - How neurons are connected in the brain to perform computation is a key issue in neuroscience. Recently, the development of calcium imaging and multi-electrode array techniques have greatly enhanced our ability to measure the firing activities of neuronal populations at single cell level. Meanwhile, the intracellular recording technique is able to measure subthreshold voltage dynamics of a neuron. Our work addresses the issue of how to combine these measurements to reveal the underlying network structure. We propose the spike triggered regression (STR) method, which employs both the voltage trace and firing activity of the neuronal population to reconstruct the underlying synaptic connectivity. Our numerical study of the conductance-based integrate-and-fire neuronal network shows that only short data of 20 ~ 100 s is required for an accurate recovery of network topology as well as the corresponding coupling strength. Our method can yield an accurate reconstruction of a large neuronal network even in the case of dense connectivity and nearly synchronous dynamics, which many other network reconstruction methods cannot successfully handle. In addition, we point out that, for sparse networks, the STR method can infer coupling strength between each pair of neurons with high accuracy in the absence of the global information of all other neurons. PMID- 29209188 TI - Age-Related Decline of Wrist Position Sense and its Relationship to Specific Physical Training. AB - Perception of limb and body positions is known as proprioception. Sensory feedback, especially from proprioceptive receptors, is essential for motor control. Aging is associated with a decline in position sense at proximal joints, but there is inconclusive evidence of distal joints being equally affected by aging. In addition, there is initial evidence that physical activity attenuates age-related decline in proprioception. Our objectives were, first, to establish wrist proprioceptive acuity in a large group of seniors and compare their perception to young adults, and second, to determine if specific types of training or regular physical activity are associated with preserved wrist proprioception. We recruited community-dwelling seniors (n = 107, mean age, 70 +/ 5 years, range, 65-84 years) without cognitive decline (Mini Mental State Examination-brief version >=13/16) and young adult students (n = 51, mean age, 20 +/- 1 years, range, 19-26 years). Participants performed contralateral and ipsilateral wrist position sense matching tasks with a bimanual wrist manipulandum to a 15 degrees flexion reference position. Systematic error or proprioceptive bias was computed as the mean difference between matched and reference position. The respective standard deviation over five trials constituted a measure of random error or proprioceptive precision. Current levels of physical activity and previous sport, musical, or dance training were obtained through a questionnaire. We employed longitudinal mixed effects linear models to calculate the effects of trial number, sex, type of matching task and age on wrist proprioceptive bias and precision. The main results were that relative proprioceptive bias was greater in older when compared to young adults (mean difference: 36% ipsilateral, 88% contralateral, p < 0.01). Proprioceptive precision for contralateral but not for ipsilateral matching was smaller in older than in young adults (mean difference: 38% contralateral, p < 0.01). Longer years of dance training were associated with smaller bias during ipsilateral matching (p < 0.01). Other types of training or physical activity levels did not affect bias or precision. Our findings demonstrate that aging is associated with a decline in proprioceptive bias in distal arm joints, but age does not negatively affect proprioceptive precision. Further, specific types of long-term dance related training may attenuate age-related decline in proprioceptive bias. PMID- 29209190 TI - Classification of EEG Signals Based on Pattern Recognition Approach. AB - Feature extraction is an important step in the process of electroencephalogram (EEG) signal classification. The authors propose a "pattern recognition" approach that discriminates EEG signals recorded during different cognitive conditions. Wavelet based feature extraction such as, multi-resolution decompositions into detailed and approximate coefficients as well as relative wavelet energy were computed. Extracted relative wavelet energy features were normalized to zero mean and unit variance and then optimized using Fisher's discriminant ratio (FDR) and principal component analysis (PCA). A high density EEG dataset validated the proposed method (128-channels) by identifying two classifications: (1) EEG signals recorded during complex cognitive tasks using Raven's Advance Progressive Metric (RAPM) test; (2) EEG signals recorded during a baseline task (eyes open). Classifiers such as, K-nearest neighbors (KNN), Support Vector Machine (SVM), Multi-layer Perceptron (MLP), and Naive Bayes (NB) were then employed. Outcomes yielded 99.11% accuracy via SVM classifier for coefficient approximations (A5) of low frequencies ranging from 0 to 3.90 Hz. Accuracy rates for detailed coefficients were 98.57 and 98.39% for SVM and KNN, respectively; and for detailed coefficients (D5) deriving from the sub-band range (3.90-7.81 Hz). Accuracy rates for MLP and NB classifiers were comparable at 97.11-89.63% and 91.60-81.07% for A5 and D5 coefficients, respectively. In addition, the proposed approach was also applied on public dataset for classification of two cognitive tasks and achieved comparable classification results, i.e., 93.33% accuracy with KNN. The proposed scheme yielded significantly higher classification performances using machine learning classifiers compared to extant quantitative feature extraction. These results suggest the proposed feature extraction method reliably classifies EEG signals recorded during cognitive tasks with a higher degree of accuracy. PMID- 29209191 TI - Conduction Delay Learning Model for Unsupervised and Supervised Classification of Spatio-Temporal Spike Patterns. AB - Precise spike timing is considered to play a fundamental role in communications and signal processing in biological neural networks. Understanding the mechanism of spike timing adjustment would deepen our understanding of biological systems and enable advanced engineering applications such as efficient computational architectures. However, the biological mechanisms that adjust and maintain spike timing remain unclear. Existing algorithms adopt a supervised approach, which adjusts the axonal conduction delay and synaptic efficacy until the spike timings approximate the desired timings. This study proposes a spike timing-dependent learning model that adjusts the axonal conduction delay and synaptic efficacy in both unsupervised and supervised manners. The proposed learning algorithm approximates the Expectation-Maximization algorithm, and classifies the input data encoded into spatio-temporal spike patterns. Even in the supervised classification, the algorithm requires no external spikes indicating the desired spike timings unlike existing algorithms. Furthermore, because the algorithm is consistent with biological models and hypotheses found in existing biological studies, it could capture the mechanism underlying biological delay learning. PMID- 29209192 TI - Response of Electrical Activity in an Improved Neuron Model under Electromagnetic Radiation and Noise. AB - Electrical activities are ubiquitous neuronal bioelectric phenomena, which have many different modes to encode the expression of biological information, and constitute the whole process of signal propagation between neurons. Therefore, we focus on the electrical activities of neurons, which is also causing widespread concern among neuroscientists. In this paper, we mainly investigate the electrical activities of the Morris-Lecar (M-L) model with electromagnetic radiation or Gaussian white noise, which can restore the authenticity of neurons in realistic neural network. First, we explore dynamical response of the whole system with electromagnetic induction (EMI) and Gaussian white noise. We find that there are slight differences in the discharge behaviors via comparing the response of original system with that of improved system, and electromagnetic induction can transform bursting or spiking state to quiescent state and vice versa. Furthermore, we research bursting transition mode and the corresponding periodic solution mechanism for the isolated neuron model with electromagnetic induction by using one-parameter and bi-parameters bifurcation analysis. Finally, we analyze the effects of Gaussian white noise on the original system and coupled system, which is conducive to understand the actual discharge properties of realistic neurons. PMID- 29209193 TI - Human-Avatar Symbiosis for the Treatment of Auditory Verbal Hallucinations in Schizophrenia through Virtual/Augmented Reality and Brain-Computer Interfaces. AB - This perspective paper faces the future of alternative treatments that take advantage of a social and cognitive approach with regards to pharmacological therapy of auditory verbal hallucinations (AVH) in patients with schizophrenia. AVH are the perception of voices in the absence of auditory stimulation and represents a severe mental health symptom. Virtual/augmented reality (VR/AR) and brain computer interfaces (BCI) are technologies that are growing more and more in different medical and psychological applications. Our position is that their combined use in computer-based therapies offers still unforeseen possibilities for the treatment of physical and mental disabilities. This is why, the paper expects that researchers and clinicians undergo a pathway toward human-avatar symbiosis for AVH by taking full advantage of new technologies. This outlook supposes to address challenging issues in the understanding of non pharmacological treatment of schizophrenia-related disorders and the exploitation of VR/AR and BCI to achieve a real human-avatar symbiosis. PMID- 29209194 TI - A Heavy Tailed Expectation Maximization Hidden Markov Random Field Model with Applications to Segmentation of MRI. AB - A wide range of segmentation approaches assumes that intensity histograms extracted from magnetic resonance images (MRI) have a distribution for each brain tissue that can be modeled by a Gaussian distribution or a mixture of them. Nevertheless, intensity histograms of White Matter and Gray Matter are not symmetric and they exhibit heavy tails. In this work, we present a hidden Markov random field model with expectation maximization (EM-HMRF) modeling the components using the alpha-stable distribution. The proposed model is a generalization of the widely used EM-HMRF algorithm with Gaussian distributions. We test the alpha-stable EM-HMRF model in synthetic data and brain MRI data. The proposed methodology presents two main advantages: Firstly, it is more robust to outliers. Secondly, we obtain similar results than using Gaussian when the Gaussian assumption holds. This approach is able to model the spatial dependence between neighboring voxels in tomographic brain MRI. PMID- 29209195 TI - The Patient Repository for EEG Data + Computational Tools (PRED+CT). AB - Electroencephalographic (EEG) recordings are thought to reflect the network-wide operations of canonical neural computations, making them a uniquely insightful measure of brain function. As evidence of these virtues, numerous candidate biomarkers of different psychiatric and neurological diseases have been advanced. Presumably, we would only need to apply powerful machine-learning methods to validate these ideas and provide novel clinical tools. Yet, the reality of this advancement is more complex: the scale of data required for robust and reliable identification of a clinical biomarker transcends the ability of any single laboratory. To surmount this logistical hurdle, collective action and transparent methods are required. Here we introduce the Patient Repository of EEG Data + Computational Tools (PRED+CT: predictsite.com). The ultimate goal of this project is to host a multitude of available tasks, patient datasets, and analytic tools, facilitating large-scale data mining. We hope that successful completion of this aim will lead to the development of novel EEG biomarkers for differentiating populations of neurological and psychiatric disorders. PMID- 29209196 TI - Commentary: Association Between Alendronate Use and Hip Fracture Risk in Older Patients Using Oral Prednisolone. PMID- 29209198 TI - Economic Cognitions Among Older Adults: Parental Socialization Predicts Financial Planning for Retirement. AB - Drawing on the model on financial planning for retirement (FPR), the aim of this work is to explore how parental economic socialization both directly and indirectly affects FPR through the mediation of financial literacy, financial planning decisions and financial management. Data from a sample of 280 participants aged between 45 and 63 years were used. The results show that parental economic socialization directly and indirectly influences FPR. Moreover, parental economic behavior acts as a positive model for the development of financial literacy and skills and for decisions about FPR. All the variables increased the explained variance of FPR. Lastly, we discuss the process by which parental economic socialization is positively related to financial literacy and skills that impact on FPR, indicating some implications and future lines of research. PMID- 29209197 TI - Asymmetry of Hemispheric Network Topology Reveals Dissociable Processes between Functional and Structural Brain Connectome in Community-Living Elders. AB - Human brain is structurally and functionally asymmetrical and the asymmetries of brain phenotypes have been shown to change in normal aging. Recent advances in graph theoretical analysis have showed topological lateralization between hemispheric networks in the human brain throughout the lifespan. Nevertheless, apparent discrepancies of hemispheric asymmetry were reported between the structural and functional brain networks, indicating the potentially complex asymmetry patterns between structural and functional networks in aging population. In this study, using multimodal neuroimaging (resting-state fMRI and structural diffusion tensor imaging), we investigated the characteristics of hemispheric network topology in 76 (male/female = 15/61, age = 70.08 +/- 5.30 years) community-dwelling older adults. Hemispheric functional and structural brain networks were obtained for each participant. Graph theoretical approaches were then employed to estimate the hemispheric topological properties. We found that the optimal small-world properties were preserved in both structural and functional hemispheric networks in older adults. Moreover, a leftward asymmetry in both global and local levels were observed in structural brain networks in comparison with a symmetric pattern in functional brain network, suggesting a dissociable process of hemispheric asymmetry between structural and functional connectome in healthy older adults. Finally, the scores of hemispheric asymmetry in both structural and functional networks were associated with behavioral performance in various cognitive domains. Taken together, these findings provide new insights into the lateralized nature of multimodal brain connectivity, highlight the potentially complex relationship between structural and functional brain network alterations, and augment our understanding of asymmetric structural and functional specializations in normal aging. PMID- 29209199 TI - Decreased Complexity in Alzheimer's Disease: Resting-State fMRI Evidence of Brain Entropy Mapping. AB - Alzheimer's disease (AD) is a frequently observed, irreversible brain function disorder among elderly individuals. Resting-state functional magnetic resonance imaging (rs-fMRI) has been introduced as an alternative approach to assessing brain functional abnormalities in AD patients. However, alterations in the brain rs-fMRI signal complexities in mild cognitive impairment (MCI) and AD patients remain unclear. Here, we described the novel application of permutation entropy (PE) to investigate the abnormal complexity of rs-fMRI signals in MCI and AD patients. The rs-fMRI signals of 30 normal controls (NCs), 33 early MCI (EMCI), 32 late MCI (LMCI), and 29 AD patients were obtained from the Alzheimer's disease Neuroimaging Initiative (ADNI) database. After preprocessing, whole-brain entropy maps of the four groups were extracted and subjected to Gaussian smoothing. We performed a one-way analysis of variance (ANOVA) on the brain entropy maps of the four groups. The results after adjusting for age and sex differences together revealed that the patients with AD exhibited lower complexity than did the MCI and NC controls. We found five clusters that exhibited significant differences and were distributed primarily in the occipital, frontal, and temporal lobes. The average PE of the five clusters exhibited a decreasing trend from MCI to AD. The AD group exhibited the least complexity. Additionally, the average PE of the five clusters was significantly positively correlated with the Mini-Mental State Examination (MMSE) scores and significantly negatively correlated with Functional Assessment Questionnaire (FAQ) scores and global Clinical Dementia Rating (CDR) scores in the patient groups. Significant correlations were also found between the PE and regional homogeneity (ReHo) in the patient groups. These results indicated that declines in PE might be related to changes in regional functional homogeneity in AD. These findings suggested that complexity analyses using PE in rs-fMRI signals can provide important information about the fMRI characteristics of cognitive impairments in MCI and AD. PMID- 29209200 TI - Smart Aging Platform for Evaluating Cognitive Functions in Aging: A Comparison with the MoCA in a Normal Population. AB - Background: Smart Aging is a Serious games (SGs) platform in a 3D virtual environment in which users perform a set of screening tests that address various cognitive skills. The tests are structured as 5 tasks of activities of daily life in a familiar environment. The main goal of the present study is to compare a cognitive evaluation made with Smart Aging with those of a classic standardized screening test, the Montreal Cognitive Assessment (MoCA). Methods: One thousand one-hundred thirty-one healthy adults aged between 50 and 80 (M = 64.3 +/- 8.3) were enrolled in the study. They received a cognitive evaluation with the MoCA and the Smart Aging platform. Participants were grouped according to their MoCA global and specific cognitive domain (i.e., memory, executive functions, working memory, visual spatial elaboration, language, and orientation) scores and we explored differences among these groups in the Smart Aging indices. Results: One thousand eighty-six older adults (M = 64.0 +/- 8.0) successfully completed the study and were stratified according to their MoCA score: Group 1 with MoCA < 27 (n = 360); Group 2 with 27 >= MoCA < 29 (n = 453); and Group 3 with MoCA >= 29 (n = 273). MoCA groups significantly differed in most of the Smart Aging indices considered, in particular as concerns accuracy (ps < 0.001) and time (ps < 0.001) for completing most of the platform tasks. Group 1 was outperformed by the other two Groups and was slower than them in these tasks, which were those supposed to assess memory and executive functions. In addition, significant differences across groups also emerged when considering the single cognitive domains of the MoCA and the corresponding performances in each Smart Aging task. In particular, this platform seems to be a good proxy for assessing memory, executive functions, working memory, and visual spatial processes. Conclusion: These findings demonstrate the validity of Smart Aging for assessing cognitive functions in normal aging. Future studies will validate this platform also in the clinical aging populations. PMID- 29209202 TI - Neural Basis of Enhanced Executive Function in Older Video Game Players: An fMRI Study. AB - Video games have been found to have positive influences on executive function in older adults; however, the underlying neural basis of the benefits from video games has been unclear. Adopting a task-based functional magnetic resonance imaging (fMRI) study targeted at the flanker task, the present study aims to explore the neural basis of the improved executive function in older adults with video game experiences. Twenty video game players (VGPs) and twenty non-video game players (NVGPs) of 60 years of age or older participated in the present study, and there are no significant differences in age (t = 0.62, p = 0.536), gender ratio (t = 1.29, p = 0.206) and years of education (t = 1.92, p = 0.062) between VGPs and NVGPs. The results show that older VGPs present significantly better behavioral performance than NVGPs. Older VGPs activate greater than NVGPs in brain regions, mainly in frontal-parietal areas, including the right dorsolateral prefrontal cortex, the left supramarginal gyrus, the right angular gyrus, the right precuneus and the left paracentral lobule. The present study reveals that video game experiences may have positive influences on older adults in behavioral performance and the underlying brain activation. These results imply the potential role that video games can play as an effective tool to improve cognitive ability in older adults. PMID- 29209201 TI - Do Lifestyle Activities Protect Against Cognitive Decline in Aging? A Review. AB - The number of patients suffering from dementia is expected to more than triple by the year 2040, and this represents a major challenge to publicly-funded healthcare systems throughout the world. One of the most effective prevention mechanisms against dementia lies in increasing brain- and cognitive-reserve capacity, which has been found to reduce the behavioral severity of dementia symptoms as neurological degeneration progresses. To date though, most of the factors known to enhance this reserve stem from largely immutable history factors, such as level of education and occupational attainment. Here, we review the potential for basic lifestyle activities, including physical exercise, meditation and musical experience, to contribute to reserve capacity and thus reduce the incidence of dementia in older adults. Relative to other therapies, these activities are low cost, are easily scalable and can be brought to market quickly and easily. Overall, although preliminary evidence is promising at the level of randomized control trials, the state of research on this topic remains underdeveloped. As a result, several important questions remain unanswered, including the amount of training required to receive any cognitive benefit from these activities and the extent to which this benefit continues following cessation. Future research directions are discussed for each lifestyle activity, as well as the potential for these and other lifestyle activities to serve as both a prophylactic and a therapeutic treatment for dementia. PMID- 29209203 TI - Linking Inter-Individual Variability in Functional Brain Connectivity to Cognitive Ability in Elderly Individuals. AB - Increasing evidence suggests that functional brain connectivity is an important determinant of cognitive aging. However, the fundamental concept of inter individual variations in functional connectivity in older individuals is not yet completely understood. It is essential to evaluate the extent to which inter individual variability in connectivity impacts cognitive performance at an older age. In the current study, we aimed to characterize individual variability of functional connectivity in the elderly and to examine its significance to individual cognition. We mapped inter-individual variability of functional connectivity by analyzing whole-brain functional connectivity magnetic resonance imaging data obtained from a large sample of cognitively normal older adults. Our results demonstrated a gradual increase in variability in primary regions of the visual, sensorimotor, and auditory networks to specific subcortical structures, particularly the hippocampal formation, and the prefrontal and parietal cortices, which largely constitute the default mode and fronto-parietal networks, to the cerebellum. Further, the inter-individual variability of the functional connectivity correlated significantly with the degree of cognitive relevance. Regions with greater connectivity variability demonstrated more connections that correlated with cognitive performance. These results also underscored the crucial function of the long-range and inter-network connections in individual cognition. Thus, individual connectivity-cognition variability mapping findings may provide important information for future research on cognitive aging and neurocognitive diseases. PMID- 29209205 TI - Potentiation of Morphine-Induced Antinociception by Propranolol: The Involvement of Dopamine and GABA Systems. AB - Tolerance to the analgesic effect of morphine is a major clinical problem which can be managed by co-administration of another drug. This study investigated the ability of propranolol to potentiate the antinociceptive action of morphine and the possible mechanisms underlying this effect. Antinociception was assessed in three nociceptive tests (thermal, hot plate), (visceral, acetic acid), and (inflammatory, formalin test) in mice and quantified by measuring the percent maximum possible effect, the percent inhibition of acetic acid-evoked writhing response, and the area under the curve values of number of flinches for treated mice, respectively. The study revealed that propranolol (0.25-20 mg/Kg, IP) administration did not produce analgesia in mice. However, 10 mg/Kg propranolol, enhanced the antinociceptive effect of sub-analgesic doses of morphine (0.2, 1, and 2 mg/Kg, IP) in the three nociceptive tests. It also shifted the dose response curve of morphine to the left. The combined effect of propranolol and morphine was attenuated by haloperidol (D2 receptor antagonist, 1.5 mg/Kg, IP), and bicuculline (GABAA receptor antagonist, 2 mg/Kg, IP). Repeated daily administration of propranolol (10 mg/Kg, IP) did not alter the nociceptive responses in the three pain tests, but it significantly potentiated morphine induced antinociception in the hot plate, acetic acid-evoked writhing, and in the second phase of formalin tests. Together, the data suggest that a cross-talk exists between the opioidergic and adrenergic systems and implicate dopamine and GABA systems in this synergistic effect of morphine-propranolol combination. Propranolol may serve as an adjuvant therapy to potentiate the effect of opioid analgesics. PMID- 29209204 TI - Reward Circuitry Plasticity in Pain Perception and Modulation. AB - Although pain is a widely known phenomenon and an important clinical symptom that occurs in numerous diseases, its mechanisms are still barely understood. Owing to the scarce information concerning its pathophysiology, particularly what is involved in the transition from an acute state to a chronic condition, pain treatment is frequently unsatisfactory, therefore contributing to the amplification of the chronic pain burden. In fact, pain is an extremely complex experience that demands the recruitment of an intricate set of central nervous system components. This includes cortical and subcortical areas involved in interpretation of the general characteristics of noxious stimuli. It also comprises neural circuits that process the motivational-affective dimension of pain. Hence, the reward circuitry represents a vital element for pain experience and modulation. This review article focuses on the interpretation of the extensive data available connecting the major components of the reward circuitry to pain suffering, including the nucleus accumbens, ventral tegmental area, and the medial prefrontal cortex; with especial attention dedicated to the evaluation of neuroplastic changes affecting these structures found in chronic pain syndromes, such as migraine, trigeminal neuropathic pain, chronic back pain, and fibromyalgia. PMID- 29209206 TI - Transferrin-Modified Nanoparticles for Photodynamic Therapy Enhance the Antitumor Efficacy of Hypocrellin A. AB - Photodynamic therapy (PDT) has emerged as a potent novel therapeutic modality that induces cell death through light-induced activation of photosensitizer. But some photosensitizers have characteristics of poor water-solubility and non specific tissue distribution. These characteristics become main obstacles of PDT. In this paper, we synthesized a targeting drug delivery system (TDDS) to improve the water-solubility of photosensitizer and enhance the ability of targeted TFR positive tumor cells. TDDS is a transferrin-modified Poly(D,L-Lactide-co glycolide (PLGA) and carboxymethyl chitosan (CMC) nanoparticle loaded with a photosensitizer hypocrellin A (HA), named TF-HA-CMC-PLGA NPs. Morphology, size distribution, Fourier transform infrared (FT-IR) spectra, encapsulation efficiency, and loading capacity of TF-HA-CMC-PLGA NPs were characterized. In vitro TF-HA-CMC-PLGA NPs presented weak dark cytotoxicity and significant photo cytotoxicity with strong reactive oxygen species (ROS) generation and apoptotic cancer cell death. In vivo photodynamic antitumor efficacy of TF-HA-CMC-PLGA NPs was investigated with an A549 (TFR positive) tumor-bearing model in male athymic nude mice. TF-HA-CMC-PLGA NPs caused tumor delay with a remarkable tumor inhibition rate of 63% for 15 days. Extensive cell apoptosis in tumor tissue and slight side effects in normal organs were observed. The results indicated that TDDS has great potential to enhance PDT therapeutic efficacy. PMID- 29209207 TI - Antiepileptic and Neuroprotective Effects of Oleamide in Rat Striatum on Kainate Induced Behavioral Seizure and Excitotoxic Damage via Calpain Inhibition. AB - Oleamide was first known as a sleep-inducing fatty acid amide, and later shown to have wide range of neuropharmacological effects upon different neurochemical systems. However, the effects of oleamide on brain damage have scarcely been studied, and the molecular mechanisms and sites of its action remain elusive. Kainic acid (KA) has been used to produce an epileptic animal model that mimics human temporal lobe epilepsy and to induce calpain-activated excitotoxicity, which occurs in numerous neurodegenerative disorders. In this study, we examined whether oleamide protects against the KA-induced excitotoxic brain damage accompanied by behavioral seizure activity and neuronal cell death. Moreover, whether these effects of oleamide were mediated by calpain activity-related cellular mechanisms was investigated. KA-induced epileptic rats were produced by an intrastriatal injection of KA (5 nmole). Oral administration of oleamide (0.5, 2, and 10 mg/kg) 30 min prior to the KA injection showed dose-dependent inhibition of the KA-induced behavioral seizure activities that were monitored starting from 60 to 180 min post-surgery. Further repetitive oral administration of oleamide (once per day) for the next 4 consecutive days post-KA injection produced significant neuroprotection against the disrupted neuronal integrity that resulted from KA-induced excitotoxic damage that was also demonstrated by staining of striatal tissue sections with cresyl violet, hematoxylin/eosin, and fluoro-Jade B. In addition, oleamide blocked the KA-induced cleavage of cyclin dependent kinase-5 coactivator (Cdk5-p35) and collapsin response mediator protein 2, which are believed to be mediated by calpain activation in striatal tissues dissected from KA-induced epileptic rats. Oleamide also reversed the KA-induced reduction in expression of an endogenous calpain inhibitory protein, calpastatin, and a marker of synaptic activity, synapsin-II. The hypothesis that oleamide could induce direct calpain inhibition was further investigated using in vitro calpain assays in both brain tissue and a cell-free and calpain-overexpressed neuronal cell system. These findings together suggest that oleamide has protective effects against excitotoxicity-induced neuronal death and behavioral seizure, partly via its direct calpain inhibitory activity. PMID- 29209208 TI - The Clinical Pharmacokinetics and Pharmacodynamics of Warfarin When Combined with Compound Danshen: A Case Study for Combined Treatment of Coronary Heart Diseases with Atrial Fibrillation. AB - Warfarin is used as anticoagulant and Compound Danshen prescription (CDP) is able to promote blood circulation. The combination might produce a synergic effect for patients of coronary heart diseases (CHDs) with atrial fibrillation (AF). Whether the combination increases the bleeding risk of warfarin is unclear, so the effects of Compound Danshen dripping pill (CDDP) on the pharmacokinetics (PK) and pharmacodynamics (PD) profiles of warfarin was investigated in patients. The dose and blood concentrations of warfarin, the four indicators of blood coagulation, prothrombin time, activated partial thromboplatin time, thrombin time, fibrinogen, and international normalized ratio value were compared when with and without CDDP treatment. The population PK (PPK) and PPK-PD models were established to assess patient demographics, genetic polymorphisms and CDDP as covariates. And the Seattle Angina Questionnaire was used to evaluate clinical efficacy, and the bleeding risk of combination was analyzed. The results indicated that CDDP had little influence on PK and PD profiles of warfarin in most patients and the combination of CCDP and warfarin would be a promising alternative regime for CHD with AF patients. The study was registered on China Clinical Trial Registry with number ChiCTR-ONRC-13003523. PMID- 29209210 TI - Critical Role of Hepatic Cyp450s in the Testis-Specific Toxicity of (5R)-5 Hydroxytriptolide in C57BL/6 Mice. AB - Low solubility, tissue accumulation, and toxicity are chief obstacles to developing triptolide derivatives, so a better understanding of the pharmacokinetics and toxicity of triptolide derivatives will help with these limitations. To address this, we studied pharmacokinetics and toxicity of (5R)-5 hydroxytriptolide (LLDT-8), a novel triptolide derivative immunosuppressant in a conditional knockout (KO) mouse model with liver-specific deletion of CYP450 reductase. Compared to wild type (WT) mice, after LLDT-8 treatment, KO mice suffered severe testicular toxicity (decreased testicular weight, spermatocytes apoptosis) unlike WT mice. Moreover, KO mice had greater LLDT-8 exposure as confirmed with elevated AUC and Cmax, increased drug half-life, and greater tissue distribution. gamma-H2AX, a marker of meiosis process, its localization and protein level in testis showed a distinct meiosis block induced by LLDT-8. RNA polymerase II (Pol II), an essential factor for RNA storage and synapsis in spermatogenesis, decreased in testes of KO mice after LLDT-8 treatment. Germ-cell line based assays confirmed that LLDT-8 selectively inhibited Pol II in spermatocyte-like cells. Importantly, the analysis of androgen receptor (AR) related genes showed that LLDT-8 did not change AR-related signaling in testes. Thus, hepatic CYP450s were responsible for in vivo metabolism and clearance of LLDT-8 and aggravated testicular injury may be due to increased LLDT-8 exposure in testis and subsequent Pol II reduction. PMID- 29209209 TI - Nonribosomal Peptides from Marine Microbes and Their Antimicrobial and Anticancer Potential. AB - Marine environments are largely unexplored and can be a source of new molecules for the treatment of many diseases such as malaria, cancer, tuberculosis, HIV etc. The Marine environment is one of the untapped bioresource of getting pharmacologically active nonribosomal peptides (NRPs). Bioprospecting of marine microbes have achieved many remarkable milestones in pharmaceutics. Till date, more than 50% of drugs which are in clinical use belong to the nonribosomal peptide or mixed polyketide-nonribosomal peptide families of natural products isolated from marine bacteria, cyanobacteria and fungi. In recent years large numbers of nonribosomal have been discovered from marine microbes using multi disciplinary approaches. The present review covers the NRPs discovered from marine microbes and their pharmacological potential along with role of genomics, proteomics and bioinformatics in discovery and development of nonribosomal peptides drugs. PMID- 29209212 TI - Identification of Antibody and Small Molecule Antagonists of Ferroportin-Hepcidin Interaction. AB - The iron exporter ferroportin and its ligand, the hormone hepcidin, control fluxes of stored and recycled iron for use in a variety of essential biochemical processes. Inflammatory disorders and malignancies are often associated with high hepcidin levels, leading to ferroportin down-regulation, iron sequestration in tissue macrophages and subsequent anemia. The objective of this research was to develop reagents to characterize the expression of ferroportin, the interaction between ferroportin and hepcidin, as well as to identify novel ferroportin antagonists capable of maintaining iron export in the presence of hepcidin. Development of investigative tools that enabled cell-based screening assays is described in detail, including specific and sensitive monoclonal antibodies that detect endogenously-expressed human and mouse ferroportin and fluorescently labeled chemically-synthesized human hepcidin. Large and small molecule antagonists inhibiting hepcidin-mediated ferroportin internalization were identified, and unique insights into the requirements for interaction between these two key iron homeostasis molecules are provided. PMID- 29209211 TI - Diabetes Mellitus and Alzheimer's Disease: The Protection of Epigallocatechin-3 gallate in Streptozotocin Injection-Induced Models. AB - Diabetes mellitus is considered as a risk factor of Alzheimer's disease (AD), the front runner of neurodegenerative disorders. Streptozotocin (STZ) is a toxin for pancreatic beta-cell, which can construct a model of insulin deficient diabetes through intraperitoneal or intravenous injection. A model generated by intracerebroventricular STZ (icv-STZ) also shows numerous aspects of sporadic AD. The protective roles of tea polyphenols epigallocatechin-3-gallate (EGCG) on both two diseases were researched by some scientists. This review highlights the link between diabetes and AD and recent studies on STZ injection-induced models, and also discusses the protection of EGCG to clarify its treatment in STZ-induced diabetes and AD. PMID- 29209213 TI - Traditional and Current Food Use of Wild Plants Listed in the Russian Pharmacopoeia. AB - Historically Russia can be regarded as a "herbophilious" society. For centuries the multinational population of Russia has used plants in daily diet and for self medication. The specificity of dietary uptake of medicinal plants (especially those in the unique and highly developed Russian herbal medical tradition) has remained mostly unknown in other regions. Based on 11th edition of the State Pharmacopoeia of the USSR, we selected 70 wild plant species which have been used in food by local Russian populations. Empirical searches were conducted via the Russian-wide applied online database E-library.ru, library catalogs of public libraries in St-Petersburg, the databases Scopus, Web of Science, PubMed, and search engine Google Scholar. The large majority of species included in Russian Pharmacopoeia are used as food by local population, however, aerial parts are more widely used for food. In this review, we summarize data on medicinal species published in Russia and other countries that are included in the Russian Pharmacopoeia and have being used in food for a long time. Consequently, the Russian Pharmacopoeia is an important source of information on plant species used traditionally at the interface of food and medicine. At the same time, there are the so-called "functional foods", which denotes foods that not only serves to provide nutrition but also can be a source for prevention and cure of various diseases. This review highlights the potential of wild species of Russia monographed in its pharmacopeia for further developing new functional foods and through the lens of their incorporation into the pharmacopeia-showcases the species' importance in Russia. PMID- 29209214 TI - Fatal and Near-Fatal Non-allergic Reactions in Patients with Underlying Cardiac Disease Receiving Benzathine Penicillin G in Israel and Switzerland. AB - Benzathine Penicillin G (BPG) is commonly used for treatment of penicillin susceptible infections and secondary prevention of rheumatic fever. Death following administration of BPG is extremely rare-only a handful of cases have been described in the literature since the 1950's. In this case series from Israel and Switzerland, we describe nine cases of serious adverse reactions-six fatal reactions and three near-fatalities-occurring within minutes of receiving intramuscular BPG. Allergic reactions or faulty administration were not implicated in any of the cases; however, all patients had cardiac risk factors. This case series describes a relatively rare risk that should be borne in mind when prescribing BPG. PMID- 29209215 TI - Preparation, Evaluation and Bioavailability Studies of Eudragit Coated PLGA Nanoparticles for Sustained Release of Eluxadoline for the Treatment of Irritable Bowel Syndrome. AB - Eluxadoline is a newly approved orally administered drug used for the treatment of Irritable Bowel Syndrome with Diarrhea. It is reported as a poorly water soluble drug due to which its dissolution rate and oral bioavailability are very poor. In this work, various plain PLGA nanoparticles (NPs) (F1-F4) were prepared and optimized based on particle size, PDI, zeta potential and percent drug entrapment efficiency (EE). The developed plain NPs (F1-F4) showed average particle size ranging from 260.19 to 279.76 nm with smooth surface and EE of 17.83-56.29%. The optimized plain NPs (F3) had particle size of 273.76 +/- 7.25 nm with a low PDI value 0.327, zeta potential - 30.63 +/- 2.47 mV and % EE of 56.29 +/- 2.56%. The optimized F3 NPs was further submitted for enteric coating using Eudragit S100 polymer and evaluated in terms of particles characterization, in vitro release and pharmacokinetic studies in rats. The bioavailability of plain and coated nanaoparticles were enhanced by 6.8- and 18.5-fold, respectively, compared to normal suspension. These results revealed that the developed coated NPs could be used for its oral delivery for an effective treatment of Irritable Bowel Syndrome with Diarrhea. PMID- 29209216 TI - Effects of Intensive Control of Glycemia on Clinical Kidney Outcomes in Type 2 Diabetes Patients Compared with Standard Control: A Meta-Analysis. AB - Background: Association between poor control of glycemia and the onset of microvascular complications in type 2 diabetes mellitus (T2DM) patients is a hard issue. However, it seems that the impact of pharmacological treatment is important only in early stages of diabetic nephropathy. We sought to examine whether intensive glycemic control is associated with improvement of clinical Chronic Kidney Disease (CKD) outcomes compared to standard glycemic control. Methods: Meta-analysis of published and unpublished randomized controlled trials (RCT) and post-hoc analysis of RCTs comparing anti-diabetic drugs and/or insulin (intensive control) vs. dietary measures (standard control) for relevant outcomes related to progression of CKD clinically manifest was undertaken. Summary estimates obtained by random effects model and funnel plots for assessing reporting bias are presented. Results: Our analysis was based on four RCTs representing 27,391 adult T2DM patients with CKD from around the world. The pooled OR for the outcomes of doubling of serum creatinine and need of dialysis were, respectively, of 0.98 with 95% confidence interval (95% CI) 0.81-1.19, and 0.84 with 95% CI 0.69-1.02. The pooled OR for the outcome of death from kidney failure was 0.62 with 95% CI 0.39-0.98. Clinical differences between studies were not translated in statistical heterogeneity. Reporting bias may be present. Conclusions: Intensive glycemic control has an effect on death from kidney failure compared to standard glycemic control. Better comprehension of glycemic control effects on both T2DM patients with and without CKD is important for individualization of these two treatment modalities. PMID- 29209217 TI - Arylacetamide Deacetylase Is Involved in Vicagrel Bioactivation in Humans. AB - Vicagrel, a structural analog of clopidogrel, is now being developed as a thienopyridine antiplatelet agent in a phase II clinical trial in China. Some studies have shown that vicagrel undergoes complete first-pass metabolism in human intestine, generating the hydrolytic metabolite 2-oxo-clopidogrel via carboxylesterase-2 (CES2) and subsequently the active metabolite H4 via CYP450s. This study aimed to identify hydrolases other than CES2 that are involved in the bioactivation of vicagrel in human intestine. This study is the first to determine that human arylacetamide deacetylase (AADAC) is involved in 2-oxo clopidogrel production from vicagrel in human intestine. In vitro hydrolytic kinetics were determined in human intestine microsomes and recombinant human CES and AADAC. The calculated contribution of CES2 and AADAC to vicagrel hydrolysis was 44.2 and 53.1% in human intestine, respectively. The AADAC-selective inhibitors vinblastine and eserine effectively inhibited vicagrel hydrolysis in vitro. In addition to CES2, human intestine AADAC was involved in vicagrel hydrolytic activation before it entered systemic circulation. In addition, simvastatin efficiently inhibited the production of both 2-oxo-clopidogrel and active H4; further clinical trials are needed to determine whether the hydrolytic activation of vicagrel is influenced by coadministration with simvastatin. This study deepens the understanding of the bioactivation and metabolism properties of vicagrel in humans, which can help further understand the bioactivation mechanism of vicagrel and the variations in the treatment responses to vicagrel and clopidogrel. PMID- 29209218 TI - Nootropic and Neuroprotective Effects of Dichrocephala integrifolia on Scopolamine Mouse Model of Alzheimer's Disease. AB - Alzheimer's disease the most common form of dementia in the elderly is a neurodegenerative disease that affects 44 millions of people worldwide. The first treatments against Alzheimer's disease are acetylcholinesterase inhibitors; however, these medications are associated with many side effects. Dichrocephala integrifolia is a traditional herb widely used by indigenous population of Cameroon to treat and prevent Alzheimer's disease and for memory improvement. In this study, we evaluated the effect of the decoction prepared from leaves of D. integrifolia, on scopolamine-induced memory impairment in mice. Seven groups of six animals were used. The first two groups received distilled water for the distilled water and scopolamine groups. The four test groups received one of the four doses of the decoction of the plant (35, 87.5, 175 or 350 mg/kg p.o.) and the positive control group received tacrine (10 mg/kg), a cholinesterase inhibitor used in the treatment of Alzheimer's disease, during 10 consecutive days. Scopolamine (1 mg/kg), a cholinergic receptor blocker, administered 30 min after treatments, was used to induce memory impairment to all groups except the distilled water group on day 10 of drug treatment. The behavioral paradigms used to evaluate the effects of the treatment were the elevated plus maze for learning and memory, Y maze for spatial short-term memory, the novel object recognition for recognition memory and Morris water maze for the evaluation of spatial long term memory. After behavioral tests, animals were sacrificed and brains of a subset were used for the assessment of some biomarkers of oxidative stress (malondialdehyde and reduced glutathione levels) and for the evaluation of the acetylcholinesterase activity. From the remaining subset brains, histopathological analysis was performed. The results of this study showed that, D. integrifolia at the doses of 87.5 and 350 mg/kg significantly (p < 0.01) improved spatial short-term and long-term memory, by increasing the percentage of spontaneous alternation in the Y maze and reducing the escape latency in the Morris water maze. Furthermore, the results of histopathological evaluation showed that D. integrifolia attenuated the neuronal death in the hippocampus induced by scopolamine. The main finding of this work is that D. integrifolia improves learning capacities and counteracts the memory impairment induced by scopolamine. Thus, D. integrifolia can be a promising plant resource for the management of Alzheimer's disease and memory loss. PMID- 29209219 TI - Differential Effects of Inhibitor Combinations on Lysophosphatidic Acid-Mediated Chemokine Secretion in Unprimed and Tumor Necrosis Factor-alpha-Primed Synovial Fibroblasts. AB - Lysophosphatidic acid (LPA) is a pleiotropic bioactive lysophospholipid involved in inflammatory mediator synthesis. Signaling through p38MAPK, ERK, Rho kinase, and MSK-CREB contributes to LPA-mediated IL-8 production in fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) patients. The study was undertaken to investigate how LPA activates MSKs and how signaling crosstalk between TNFalpha and LPA contributes to the super-production of cytokines/chemokines. RAFLS pretreated or not with TNFalpha were stimulated with LPA. Immunoblotting with phospho-antibodies monitored MSK activation. Cytokine/chemokine production was measured using ELISA and multiplex immunoassays. LPA induced MSK activation by signaling through ERK whereas p38MAPK, Rho kinase, NF-kappaB or PI3K contribute to IL-8 synthesis mainly via MSK-independent pathways. Priming with TNFalpha enhanced LPA-mediated MSK phosphorylation and cytokine/chemokine production. After priming with TNFalpha, inhibition of ERK or MSK failed to attenuate LPA-mediated IL-8 synthesis even if the MSK-CREB signaling axis was completely or partially inhibited. In TNFalpha primed cells, inhibition of LPA-mediated cytokine/chemokine synthesis required a specific combination of inhibitors such as p38MAPK and ERK for IL-8 and IL-6, and Rho kinase and NF-kappaB for MCP-1. The ability of the signaling inhibitors to block LPA induced cytokine/chemokine synthesis is dependent on the inflammatory cytokinic environment. In TNFalpha-primed RAFLS the super-production of IL-8 and IL-6 induced by LPA occurs mainly via MSK-independent pathways, and simultaneous inhibition of at least two MAPK signaling pathways was required to block their synthesis. Since simultaneous inhibition of both the p38MAPK and ERK-MSK-CREB pathways are required to significantly reduce LPA-mediated IL-8 and IL-6 production in TNFalpha-preconditioned RAFLS, drug combinations targeting these two pathways are potential new strategies to treat rheumatoid arthritis. PMID- 29209220 TI - The Traditional Japanese Herbal Medicine Hachimijiogan Elicits Neurite Outgrowth Effects in PC12 Cells and Improves Cognitive in AD Model Rats via Phosphorylation of CREB. AB - Hachimijiogan (HJG) is a traditional herbal medicine that improves anxiety disorders in patients with dementia. In this study, we tested the hypothesis that HJG exerts neurotrophic factor-like effects to ameliorate memory impairment in Alzheimer disease (AD) model rats. First, we describe that HJG acts to induce neurite outgrowth in PC12 cells (a rat pheochromocytoma cell line) like nerve growth factor (NGF) in a concentration-dependent manner (3 MUg/ml HJG, p < 0.05; 10-500 MUg/ml HJG, p < 0.001). While six herbal constituents of HJG, Rehmannia root, Dioscorea rhizome, Rhizoma Alismatis, Poria sclerotium, Moutan bark, and Cinnamon bark, could induce neurite outgrowth effects, the effect was strongest with HJG (500 MUg/ml). Second, we demonstrated that HJG-induced neurite outgrowth was blocked by an inhibitor of cAMP response element binding protein (CREB), KG 501 (10 MUM, p < 0.001). Moreover, HJG was observed to induce CREB phosphorylation 20-90 min after treatment (20 min, 2.50 +/- 0.58-fold) and CRE mediated transcription in cultured PC12 cells (500 MUg/ml, p < 0.01; 1000 MUg/ml, p < 0.001). These results suggest a CREB-dependent mechanism underlies the neurotrophic effects of HJG. Finally, we examined improvements of memory impairment following HJG treatment using a Morris water maze in AD model animals (CI + Abeta rats). Repeated oral administration of HJG improved memory impairment (300 mg/kg, p < 0.05; 1000 mg/kg, p < 0.001) and induced CREB phosphorylation within the hippocampus (1000 mg/kg, p < 0.01). Together, our results suggest that HJG possesses neurotrophic effects similar to those of NGF, and can ameliorate cognitive dysfunction in a rat dementia model via CREB activation. Thus, HJG could potentially be a substitute for neurotrophic factors as a treatment for dementia. PMID- 29209221 TI - Commentary: Zebrafish as a Model for Epilepsy-Induced Cognitive Dysfunction: A Pharmacological, Biochemical and Behavioral Approach. PMID- 29209222 TI - PK-PD Analysis of Marbofloxacin against Streptococcus suis in Pigs. AB - Marbofloxacin is a fluoroquinolone antibiotic and highly effective treatment for respiratory diseases. Here we aimed to evaluate the ex vivo activity of marbofloxacin against Streptococcus suis in pig serum, as well as the optimal dosages scheme for avoiding the fluoroquinolone resistance development. A single dose of 8 mg/kg body weight (bw) was administrated orally to healthy pigs and serum samples were collected during the next 72 h. Serum marbofloxacin content was determined by high-performance liquid chromatography. We estimated the Cmax (6.28 MUg/ml), AUC0-24 h (60.30 MUg.h/ml), AUC0-infinity (88.94 MUg.h/ml), T1/2ke, (12.48 h), Tmax (0.75 h) and Clb (0.104 L/h) of marbofloxacin in pigs, as well as the bioavailability of marbofloxacin (94.21%) after a single 8 mg/kg oral administration. We also determined the pharmacodynamic of marbofloxacin against 134 Streptococcus suis strains isolated from Chinese cities in TSB and serum. These isolated strains had a MIC90 of 1 MUg/ml. HB2, a virulent, serotype 2 isolate of SS, was selected for having antibacterial activity in TSB and serum to marbofloxacin. We determined the minimum inhibitory concentration (MIC, 1 MUg/ml in TSB, 2 MUg/ml in serum), minimum bactericidal concentration (MBC, 4 MUg/ml in TSB, 4 MUg/ml in serum), and mutant prevention concentration (2.56 MUg/ml in TSB) for marbofloxacin against Streptococcus suis (HB2). In serum, by inhibitory sigmoid Emax modeling, the AUC0-24h/MIC values for marbofloxacin against HB2 were 25.23 (bacteriostatic), 35.64 (bactericidal), and 39.71 (elimination) h. Based on Monte Carlo simulations, the predicted optimal oral doses of marbofloxacin curing Streptococcus suis were 5.88 (bacteriostatic), 8.34 (bactericidal), and 9.36 (elimination) mg/kg.bw for a 50% target attainment ratio, and 8.16 (bacteriostatic), 11.31 (bactericidal), and 12.35 (elimination) mg/kg.bw for a 90% target attainment ratio. The data presented here provides optimized dosage information for clinical use; however, these predicted dosages should also be validated in clinical practice. PMID- 29209223 TI - Timing Strategies of Direct-Acting Antivirals and Biologics Administration in HCV Infected Subjects with Inflammatory Bowel Diseases. AB - Background: In the last years, inflammatory bowel disease (IBD) and hepatitis C virus (HCV) infection management has completely changed. However, the role of direct-acting antivirals (DAAs) and the correct timing of antiviral drugs administration in IBD patients needing biologics has not been evaluated. Objective: To discuss the management of HCV-infected IBD patients, focusing our attention on the timing of DAAs administration subjects needing biologics. Methods: Relevant articles addressing HCV management in patients needing biologics were identified by searching from PubMed, MEDLINE and Scopus. Results: Three possible timing strategies were identified: (1) sequential strategy, meaning the choice of treating firstly the active IBD with biologics and then, once the acute phase has been controlled, treating the HCV infection; (2) concomitant strategy, that is the contemporaneous beginning of DAAs and biologics administration; (3) inverted sequential strategy-the administration of antiviral therapy before biologics in HCV-infected IBD patients. The potential pharmacological interactions between biologics and DAAs have also been reported. Conclusions: Clinical management of HCV-infected IBD patients remains a challenging problem for clinicians, especially in terms of timing choice. Recent published data about DAAs are very encouraging also in IBD patients. All strategies could be considered safe and effective. However, further data are immediately required in order to evaluate hepatic toxicity of novel immunosuppressive drugs in IBD. PMID- 29209224 TI - Na+/H+ Exchanger 3 Is Expressed in Two Distinct Types of Ionocyte, and Probably Augments Ammonia Excretion in One of Them, in the Gills of the Climbing Perch Exposed to Seawater. AB - The freshwater climbing perch, Anabas testudineus, is an euryhaline teleost and an obligate air-breather with the ability to actively excrete ammonia. Members of the Na+/H+ exchanger (NHE) family help maintain intracellular pH homeostasis and ionic balance through the electroneutral exchange of Na+ and H+. This study aimed to obtain, from the gills of A. testudineus, the full cDNA coding sequence of nhe3, and to determine the effects of exposure to seawater or 100 mmol l-1 of NH4Cl in fresh water on its mRNA and protein expression levels. Efforts were also made to elucidate the type of ionocyte that Nhe3 was associated with in the branchial epithelium of A. testudineus. The transcript level and protein abundance of nhe3/Nhe3 were very low in the gills of freshwater A. testudineus, but they increased significantly in the gills of fish acclimated to seawater. In the gills of fish exposed to seawater, Nhe3 was expressed in two distinct types of seawater-inducible Na+/K+-ATPase (Nka)-immunoreactive ionocytes. In Nkaalpha1b immunoreactive ionocytes, Nhe3 had an apical localization. As these ionocytes also expressed apical Rhcg1 and basolateral Rhcg2, which are known to transport ammonia, they probably participated in proton-facilitated ammonia excretion in A. testudineus during seawater acclimation. In Nkaalpha1c-immunoreactive ionocytes, Nhe3 was atypically expressed in the basolateral membrane, and its physiological function is uncertain. For A. testudineus exposed to NH4Cl in fresh water, the transcript and protein expression levels of nhe3/Nhe3 remained low. In conclusion, the branchial Nhe3 of A. testudineus plays a greater physiological role in passive ammonia transport and acid-base balance during seawater acclimation than in active ammonia excretion during environmental ammonia exposure. PMID- 29209225 TI - CXL-1020, a Novel Nitroxyl (HNO) Prodrug, Is More Effective than Milrinone in Models of Diastolic Dysfunction-A Cardiovascular Therapeutic: An Efficacy and Safety Study in the Rat. AB - The nitroxyl (HNO) prodrug, CXL-1020, induces vasorelaxation and improves cardiac function in canine models and patients with systolic heart failure (HF). HNO's unique mechanism of action may be applicable to a broader subset of cardiac patients. This study investigated the load-independent safety and efficacy of CXL 1020 in two rodent (rat) models of diastolic heart failure and explored potential drug interactions with common HF background therapies. In vivo left-ventricular hemodynamics/pressure-volume relationships assessed before/during a 30 min IV infusion of CXL-1020 demonstrated acute load-independent positive inotropic, lusitropic, and vasodilatory effects in normal rats. In rats with only diastolic dysfunction due to bilateral renal wrapping (RW) or pronounced diastolic and mild systolic dysfunction due to 4 weeks of chronic isoproterenol exposure (ISO), CXL 1020 attenuated the elevated LV filling pressures, improved the end diastolic pressure volume relationship, and accelerated relaxation. CXL-1020 facilitated Ca2+ re-uptake and enhanced myocyte relaxation in isolated cardiomyocytes from ISO rats. Compared to milrinone, CXL-1020 more effectively improved Ca2+ reuptake in ISO rats without concomitant chronotropy, and did not enhance Ca2+ entry via L type Ca2+ channels nor increase myocardial arrhythmias/ectopic activity. Acute therapy with CXL-1020 improved ventricular relaxation and Ca2+ cycling, in the setting of chronic induced diastolic dysfunction. CXL-1020's lusitropic effects were greater than those seen with the cAMP-dependent agent milrinone, and unlike milrinone it did not produce chronotropy or increased ectopy. HNO is a promising new potential therapy for both systolic and diastolic heart failure. PMID- 29209226 TI - Uncertainty Quantification Reveals the Importance of Data Variability and Experimental Design Considerations for in Silico Proarrhythmia Risk Assessment. AB - The Comprehensive in vitro Proarrhythmia Assay (CiPA) is a global initiative intended to improve drug proarrhythmia risk assessment using a new paradigm of mechanistic assays. Under the CiPA paradigm, the relative risk of drug-induced Torsade de Pointes (TdP) is assessed using an in silico model of the human ventricular action potential (AP) that integrates in vitro pharmacology data from multiple ion channels. Thus, modeling predictions of cardiac risk liability will depend critically on the variability in pharmacology data, and uncertainty quantification (UQ) must comprise an essential component of the in silico assay. This study explores UQ methods that may be incorporated into the CiPA framework. Recently, we proposed a promising in silico TdP risk metric (qNet), which is derived from AP simulations and allows separation of a set of CiPA training compounds into Low, Intermediate, and High TdP risk categories. The purpose of this study was to use UQ to evaluate the robustness of TdP risk separation by qNet. Uncertainty in the model parameters used to describe drug binding and ionic current block was estimated using the non-parametric bootstrap method and a Bayesian inference approach. Uncertainty was then propagated through AP simulations to quantify uncertainty in qNet for each drug. UQ revealed lower uncertainty and more accurate TdP risk stratification by qNet when simulations were run at concentrations below 5* the maximum therapeutic exposure (Cmax). However, when drug effects were extrapolated above 10* Cmax, UQ showed that qNet could no longer clearly separate drugs by TdP risk. This was because for most of the pharmacology data, the amount of current block measured was <60%, preventing reliable estimation of IC50-values. The results of this study demonstrate that the accuracy of TdP risk prediction depends both on the intrinsic variability in ion channel pharmacology data as well as on experimental design considerations that preclude an accurate determination of drug IC50-values in vitro. Thus, we demonstrate that UQ provides valuable information about in silico modeling predictions that can inform future proarrhythmic risk evaluation of drugs under the CiPA paradigm. PMID- 29209227 TI - The Role of Na:K:2Cl Cotransporter 1 (NKCC1/SLC12A2) in Dental Epithelium during Enamel Formation in Mice. AB - Na+:K+:2Cl- cotransporters (NKCCs) belong to the SLC12A family of cation-coupled Cl- transporters. We investigated whether enamel-producing mouse ameloblasts express NKCCs. Transcripts for Nkcc1 were identified in the mouse dental epithelium by RT-qPCR and NKCC1 protein was immunolocalized in outer enamel epithelium and in the papillary layer but not the ameloblast layer. In incisors of Nkcc1-null mice late maturation ameloblasts were disorganized, shorter and the mineral density of the enamel was reduced by 10% compared to wild-type controls. Protein levels of gap junction protein connexin 43, Na+-dependent bicarbonate cotransporter e1 (NBCe1), and the Cl--dependent bicarbonate exchangers SLC26A3 and SLC26A6 were upregulated in Nkcc1-null enamel organs while the level of NCKX4/SLC24A4, the major K+, Na+ dependent Ca2+ transporter in maturation ameloblasts, was slightly downregulated. Whole-cell voltage clamp studies on rat ameloblast-like HAT-7 cells indicated that bumetanide increased ion-channel activity conducting outward currents. Bumetanide also reduced cell volume of HAT 7 cells. We concluded that non-ameloblast dental epithelium expresses NKCC1 to regulate cell volume in enamel organ and provide ameloblasts with Na+, K+ and Cl- ions required for the transport of mineral- and bicarbonate-ions into enamel. Absence of functional Nkcc1 likely is compensated by other types of ion channels and ion transporters. The increased amount of Cx43 in enamel organ cells in Nkcc1 null mice suggests that these cells display a higher number of gap junctions to increase intercellular communication. PMID- 29209228 TI - Commentary: Neutral Commentary on Frontiers Article "Cobalt Chloride Upregulates Impaired HIF-1alpha Expression to Restore Sevoflurane Post-conditioning-Dependent Myocardial Protection in Diabetic Rats". PMID- 29209229 TI - Proposal of a Global Training Load Measure Predicting Match Performance in an Elite Team Sport. AB - Aim: The use of external and internal load is an important aspect of monitoring systems in team sport. The aim of this study was to validate a novel measure of training load by quantifying the training-performance relationship of elite Australian footballers. Methods: The primary training measure of each of 36 players was weekly load derived from a weighted combination of Global Positioning System (GPS) data and perceived wellness over a 24-week season. Smoothed loads representing an exponentially weighted rolling average were derived with decay time constants of 1.5, 2, 3, and 4 weeks. Differential loads representing rate of change in load were generated in similar fashion. Other derived measures of training included monotony, strain and acute:chronic ratio. Performance was a proprietary score derived from match performance indicators. Effects of a 1 SD within-player change below and above the mean of each training measure were quantified with a quadratic mixed model for each position (defenders, forwards, midfielders, and rucks). Effects were interpreted using standardization and magnitude-based inferences. Results: Performance was generally highest near the mean or ~1 SD below the mean of each training measure, and 1 SD increases in the following measures produced small impairments: weekly load (defenders, forwards, and midfielders); 1.5-week smoothed load (midfielders); 4-week differential load (defenders, forwards, and midfielders); and acute:chronic ratio (defenders and forwards). Effects of other measures in other positions were either trivial or unclear. Conclusion: The innovative combination of load was sensitive to performance in this elite Australian football cohort. Periods of high acute load and sustained increases in load impaired match performance. Positional differences should be taken into account for individual training prescription. PMID- 29209230 TI - Balanced Noise-Evoked Excitation and Inhibition in Awake Mice CA3. AB - The hippocampus is known as a neuronal structure involved in learning, memory and spatial navigation using multi-sensory cues. However, the basic features of its response to acoustic stimuli without any behavioral tasks (conditioning) remains poorly studied. Here, we investigated the CA3 response to auditory stimuli using in vivo loose-patch recordings in awake and anesthetized C57 mice. Different acoustic stimuli in addition to broadband noise such as click, FM sound and pure tone were applied to test the response of CA3 in awake animals. It was found that the wakefulness of the animal is important for the recorded neurons to respond. The CA3 neurons showed a stronger response to broadband noise rather than the other type of stimuli which suggested that auditory information arrived at CA3 via broadband pathways. Finally, we investigated the excitatory and inhibitory inputs to CA3 neurons by using in vivo whole-cell voltage-clamp techniques with the membrane potential holding at -70 and 0 mV, respectively. In awake animals, the excitatory and inhibitory inputs CA3 neurons receive induced by noise are balanced by showing stable intervals and proportional changes of their latencies and peak amplitudes as a function of the stimulation intensities. PMID- 29209231 TI - Early Determination of the Periodontal Domain by the Wnt-Antagonist Frzb/Sfrp3. AB - Odontogenesis results from the continuous and reciprocal interaction between cells of the oral epithelium and cranial neural crest-derived mesenchyme. The canonical Wnt signaling pathway plays a fundamental role in mediating these interactions from the earliest stages of tooth development. Here we analyze by in situ hybridization the expression patterns of the extracellular Wnt antagonist Frzb/Sfrp3. Although Frzb is expressed in dental mesenchymal cells from the earliest stages of odontogenesis, its expression is absent from a tiny population of mesenchymal cells immediately adjacent to the invaginating dental epithelium. Cell proliferation studies using BrdU showed that the Frzb expressing and Frzb non-expressing cell populations display different proliferative behavior during the initial stages of odontogenesis. DiI-mediated cell-fate tracing studies demonstrated that the Frzb expressing cells contribute to the formation of the dental follicle, the future periodontium. In contrast, the Frzb non-expressing cells give rise to the dental pulp. The present results indicate that Frzb is discriminating the presumptive periodontal territory from the rest of the dental mesenchyme from the very beginning of odontogenesis, where it might act as a barrier for the diffusion of Wnt molecules, thus regulating the activation of Wnt dependent transcription within dental tissues. PMID- 29209232 TI - The Clinicopathological and Prognostic Implications of FoxP3+ Regulatory T Cells in Patients with Colorectal Cancer: A Meta-Analysis. AB - Background and Objective: Forkhead box P3 (FoxP3) is known as the specific marker for regulatory T lymphocytes (Tregs), which are responsible for self-tolerance and disturb the antitumor immunity. However, the prognostic implication of tumor infiltrating FoxP3+ Tregs in patients with colorectal cancer (CRC) still remains controversial. The aim of this present study was to investigate the prognostic role of FoxP3+ Tregs in CRC through meta-analysis. Methods: PubMed, Embase and Web of Science were searched for relevant articles up to December 12, 2016. Pooled hazard ratio (HR) and 95% confidence interval (CI) were calculated to explore the prognostic value of FoxP3+ Tregs in CRC. Odds ratio (OR) was calculated to investigate the correlation between FoxP3+ Tregs and pathological parameters. Results: A total of 18 studies comprising 3,627 patients with CRC were enrolled in our meta-analysis. The combined HR for FoxP3+ Tregs on cancer specific survival was 0.70 (95% CI = 0.62-0.80, P < 0.001). High FoxP3+ Tregs level was also associated with favorable prognosis on overall survival (HR = 0.76, 95% CI = 0.58-1.01, P = 0.058), with P-value very close to the statistical threshold. Yet, there was no correlation between FoxP3+ Tregs infiltration and disease-free survival (HR = 0.83, 95% CI = 0.63-1.09, P = 0.182). Moreover, FoxP3+ Tregs infiltration was significantly correlated with pT stage (OR = 0.50, 95% CI = 0.39-0.65, P < 0.001), tumor grade (OR = 0.77, 95% CI = 0.61-0.98, P = 0.032), lymphatic invasion (OR = 0.25, 95% CI = 0.07-0.89, P = 0.033) and vascular invasion (OR = 0.67, 95% CI = 0.52-0.86, P = 0.001). Conclusion: The present meta-analysis suggests that high FoxP3+ Tregs infiltration is inclined to indicate favorable prognosis and is associated with the pathogenesis of CRC. Immunotherapy targeting Tregs in patients with CRC should be further investigated. PMID- 29209233 TI - Chemosensory Gene Families in Ectropis grisescens and Candidates for Detection of Type-II Sex Pheromones. AB - Tea grey geometrid (Ectropis grisescens), a devastating chewing pest in tea plantations throughout China, produces Type-II pheromone components. Little is known about the genes encoding proteins involved in the perception of Type-II sex pheromone components. To investigate the olfaction genes involved in E. grisescens sex pheromones and plant volatiles perception, we sequenced female and male antennae transcriptomes of E. grisescens. After assembly and annotation, we identified 153 candidate chemoreception genes in E. grisescens, including 40 odorant-binding proteins (OBPs), 30 chemosensory proteins (CSPs), 59 odorant receptors (ORs), and 24 ionotropic receptors (IRs). The results of phylogenetic, qPCR, and mRNA abundance analyses suggested that three candidate pheromone binding proteins (EgriOBP2, 3, and 25), two candidate general odorant-binding proteins (EgriOBP1 and 29), six pheromone receptors (EgriOR24, 25, 28, 31, 37, and 44), and EgriCSP8 may be involved in the detection of Type-II sex pheromone components. Functional investigation by heterologous expression in Xenopus oocytes revealed that EgriOR31 was robustly tuned to the E. grisescens sex pheromone component (Z,Z,Z)-3,6,9-octadecatriene and weakly to the other sex pheromone component (Z,Z)-3,9-6,7-epoxyoctadecadiene. Our results represent a systematic functional analysis of the molecular mechanism of olfaction perception in E. grisescens with an emphasis on gene encoding proteins involved in perception of Type-II sex pheromones, and provide information that will be relevant to other Lepidoptera species. PMID- 29209234 TI - Altered Brain Functional Connectivity in Betel Quid-Dependent Chewers. AB - Background: Betel quid (BQ) is a common psychoactive substance worldwide with particularly high usage in many Asian countries. This study aimed to explore the effect of BQ use on functional connectivity by comparing global functional brain networks and their subset between BQ chewers and healthy controls (HCs). Methods: Resting-state functional magnetic resonance imaging (fMRI) was obtained from 24 betel quid-dependent (BQD) male chewers and 27 healthy male individuals on a 3.0T scanner. We used independent component analysis (ICA) to determine components that represent the brain's functional networks and their spatial aspects of functional connectivity. Two sample t-tests were used to identify the functional connectivity differences in each network between these two groups. Results: Seventeen networks were identified by ICA. Nine of them showed connectivity differences between BQD and HCs (two sample t-tests, p < 0.001 uncorrected). We found increased functional connectivity in the orbitofrontal, bilateral frontoparietal, frontotemporal, occipital/parietal, frontotemporal/cerebellum, and temporal/limbic networks, and decreased connectivity in the parietal and medial frontal/anterior cingulate networks in the BQD compared to the HCs. The betel quid dependence scale scores were positively related to the increased functional connectivity in the orbitofrontal (r = 0.39, p = 0.03) while negatively related to the decreased functional connectivity in medial frontal/anterior cingulate networks (r = -0.35, p = 0.02). Discussion: Our findings provide further evidence that BQ chewing may lead to brain functional connectivity changes, which may play a key role in the psychological and physiological effects of BQ. PMID- 29209235 TI - The "Endless Trip" among the NPS Users: Psychopathology and Psychopharmacology in the Hallucinogen-Persisting Perception Disorder. A Systematic Review. AB - Hallucinogen-persisting perception disorder (HPPD) is a syndrome characterized by prolonged or reoccurring perceptual symptoms, reminiscent of acute hallucinogen effects. HPPD was associated with a broader range of LSD (lysergic acid diethylamide)-like substances, cannabis, methylenedioxymethamphetamine (MDMA), psilocybin, mescaline, and psychostimulants. The recent emergence of novel psychoactive substances (NPS) posed a critical concern regarding the new onset of psychiatric symptoms/syndromes, including cases of HPPD. Symptomatology mainly comprises visual disorders (i.e., geometric pseudo-hallucinations, haloes, flashes of colors/lights, motion-perception deficits, afterimages, micropsia, more acute awareness of floaters, etc.), even though depressive symptoms and thought disorders may be comorbidly present. Although HPPD was first described in 1954, it was just established as a fully syndrome in 2000, with the revised fourth version of the Diagnostic and Statistical Manual of Mental Disorders (DSM IV-TR). HPPD neural substrates, risk factors, and aetiopathogenesys still largely remain unknown and under investigation, and many questions about its pharmacological targets remain unanswered too. A critical mini review on psychopathological bases, etiological hypothesis, and psychopharmacological approaches toward HPPD, including the association with some novel substances, are provided here, by means of a literature search on PubMed/Medline, Google Scholar, and Scopus databases without time restrictions, by using a specific set of keywords. Pharmacological and clinical issues are considered, and practical psychopharmacological recommendations and clinical guidelines are suggested. PMID- 29209236 TI - Implementation Intention for Initiating Intuitive Eating and Active Embodiment in Obese Patients Using a Smartphone Application. AB - This article describes a study protocol, which aims to explore and describe the feasibility of a mobile-phone application for initiating intuitive eating and intuitive exercising in patients who are following an ambulatory treatment for obesity. Intuitive eating refers to one's ability to make food choices based on one's awareness of his/her body's response. Intuitive exercising encourages people in finding enjoyable ways of being physically active. These two components will be trained using an implementation intention procedure, that is, behavioral plans that aim at creating a strong link between a specified situation and a response. We aim to recruit up to 80 overweight and obese patients over a period of 2 years. The smartphone application will be assessed on the basis of (i) data obtained through a 4-week use period, (ii) self-report measures taken before and after the use of the mobile application, and (iii) feedbacks from participants after the use of the mobile application. This pilot study will allow us to better understand the applicability of the use of mobile application within ambulatory treatment settings, and to adapt the design of the app necessary for building cross-sectional studies investigating its efficacy. PMID- 29209237 TI - Decreased Left Putamen and Thalamus Volume Correlates with Delusions in First Episode Schizophrenia Patients. AB - Background: Delusional thinking is one of the hallmark symptoms of schizophrenia. However, the underlying neural substrate for delusions in schizophrenia remains unknown. In an attempt to further our understanding of the neural basis of delusions, we explored gray matter deficits and their clinical associations in first-episode schizophrenia patients with and without delusions. Methods: Twenty four first-episode schizophrenia patients with delusions and 18 without delusions as well as 26 healthy controls (HC) underwent clinical assessment and whole-brain structural imaging which were acquired a 3.0 T scanner. Voxel-based morphometry was used to explore inter-group differences in gray matter volume using analysis of covariance, and Spearman correlation coefficients (rho) between the Scale for the Assessment of Positive Symptoms (SAPS)-delusion scores and mean regional brain volumes was obtained. Results: Patients with delusions showed decreased brain gray matter volumes in the left putamen, thalamus, and caudate regions compared with HC. Patients with delusions also showed decreased regional volume in the left putamen and thalamus compared with patients without delusions. SAPS delusion scores were negatively correlated with the gray matter volumes of the left putamen and thalamus. Discussion: Left putamen and thalamus volume loss may be biological correlates of delusions in schizophrenia. PMID- 29209238 TI - Disrupted Control-Related Functional Brain Networks in Drug-Naive Children with Attention-Deficit/Hyperactivity Disorder. AB - Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disease featuring executive control deficits as a prominent neuropsychological trait. Executive functions are implicated in multiple sub-networks of the brain; however, few studies examine these sub-networks as a whole in ADHD. By combining resting-state functional MRI and graph-based approaches, we systematically investigated functional connectivity patterns among four control-related networks, including the frontoparietal network (FPN), cingulo-opercular network, cerebellar network, and default mode network (DMN), in 46 drug-naive children with ADHD and 31 age-, gender-, and intelligence quotient-matched healthy controls (HCs). Compared to the HCs, the ADHD children showed significantly decreased functional connectivity that primarily involved the DMN and FPN regions and cross-network long-range connections. Further graph-based network analysis revealed that the ADHD children had fewer connections, lower network efficiency, and more functional modules compared with the HCs. The ADHD-related alterations in functional connectivity but not topological organization were correlated with clinical symptoms of the ADHD children and differentiated the patients from the HCs with a good performance. Taken together, our findings suggest a less integrated functional brain network in children with ADHD due to selective disruption of key long-range connections, with important implications for understanding the neural substrates of ADHD, particularly executive dysfunction. PMID- 29209240 TI - Different Bilingual Experiences Might Modulate Executive Tasks Advantages: Comparative Analysis between Monolinguals, Translators, and Interpreters. AB - Many studies have shown that being bilingual presents an advantage in executive control. However, it appears that knowing two (or more) languages is not enough to improve executive control. According to the adaptive control hypothesis (Green and Abutalebi, 2013), the interactional context in which bilinguals behave is a key factor that modulates cognitive advantage in executive control. Translation and simultaneous interpretation are performed in a dual-language context: professional bi- and multilinguals use two or more languages within the same context (at work). Simultaneous interpretation differs from translation though, because of its higher level of time pressure, which increases the cognitive demands on executive control. The main objective of the present study is to investigate the relationship between simultaneous interpretation and some aspects of executive control. To this end, we compare the performance of three groups (60 interpreters, 60 translators, and 60 monolinguals) in five computerized tasks designed to assess different executive processes as well as the speed of information processing. The results show that the interpreters perform better than the monolinguals in all tasks and better than the translators in all tasks except for the one designed to assess flexibility. The results also show that the age variable does not have the same effect on performance in tasks designed to assess updating, flexibility, and resistance of proactive inhibition in bilinguals (both interpreters and translators), or in tasks designed to assess the speed of information processing and inhibition of a prepotent response in interpreters only. In addition to the advantage that being bilingual presents in some aspects of executive control, the results suggest that interpreters have an additional advantage that may be explained by the characteristics of their work activity (especially heavy time pressure) and by how much experience they have in this activity (in terms of magnitude of the bilingual management demands and amount of experience in managing the cognitive demands of simultaneous interpretation). PMID- 29209239 TI - Genetic Biomarkers on Age-Related Cognitive Decline. AB - With ever-increasing elder populations, age-related cognitive decline, which is characterized as a gradual decline in cognitive capacity in the aging process, has turned out to be a mammoth public health concern. Since genetic information has become increasingly important to explore the biological mechanisms of cognitive decline, the search for genetic biomarkers of cognitive aging has received much attention. There is growing evidence that single-nucleotide polymorphisms (SNPs) within the ADAMTS9, BDNF, CASS4, COMT, CR1, DNMT3A, DTNBP1, REST, SRR, TOMM40, circadian clock, and Alzheimer's diseases-associated genes may contribute to susceptibility to cognitive aging. In this review, we first illustrated evidence of the genetic contribution to disease susceptibility to age related cognitive decline in recent studies ranging from approaches of candidate genes to genome-wide association studies. We then surveyed a variety of association studies regarding age-related cognitive decline with consideration of gene-gene and gene-environment interactions. Finally, we highlighted their limitations and future directions. In light of advances in precision medicine and multi-omics technologies, future research in genomic medicine promises to lead to innovative ideas that are relevant to disease prevention and novel drugs for cognitive aging. PMID- 29209241 TI - Sentence-Level Effects of Literary Genre: Behavioral and Electrophysiological Evidence. AB - The current study used event-related brain potentials (ERPs) and behavioral measures to examine effects of genre awareness on sentence processing and evaluation. We hypothesized that genre awareness modulates effects of genre typical manipulations. We manipulated instructions between participants, either specifying a genre (poetry) or not (neutral). Sentences contained genre-typical variations of semantic congruency (congruent/incongruent) and morpho-phonological features (archaic/contemporary inflections). Offline ratings of meaningfulness (n = 64/group) showed higher average ratings for semantically incongruent sentences in the poetry vs. neutral condition. ERPs during sentence reading (n = 24/group; RSVP presentation at a fixed per-constituent rate; probe task) showed a left lateralized N400-like effect for contemporary vs. archaic inflections. Semantic congruency elicited a bilateral posterior N400 effect for incongruent vs. congruent continuations followed by a centro-parietal positivity (P600). While N400 amplitudes were insensitive to the genre, the latency of the P600 was delayed by the poetry instruction. From these results, we conclude that during real-time sentence comprehension, readers are sensitive to subtle morphological manipulations and the implicit prosodic differences that accompany them. By contrast, genre awareness affects later stages of comprehension. PMID- 29209242 TI - Patterns of Eye Movements When Observers Judge Female Facial Attractiveness. AB - The purpose of the present study is to explore the fixed model for the explicit judgments of attractiveness and infer which features are important to judge the facial attractiveness. Behavioral studies on the perceptual cues for female facial attractiveness implied three potentially important features: averageness, symmetry, and sexual dimorphy. However, these studies did not explained which regions of facial images influence the judgments of attractiveness. Therefore, the present research recorded the eye movements of 24 male participants and 19 female participants as they rated a series of 30 photographs of female facial attractiveness. Results demonstrated the following: (1) Fixation is longer and more frequent on the noses of female faces than on their eyes and mouths (no difference exists between the eyes and the mouth); (2) The average pupil diameter at the nose region is bigger than that at the eyes and mouth (no difference exists between the eyes and the mouth); (3) the number of fixations of male participants was significantly more than female participants. (4) Observers first fixate on the eyes and mouth (no difference exists between the eyes and the mouth) before fixating on the nose area. In general, participants attend predominantly to the nose to form attractiveness judgments. The results of this study add a new dimension to the existing literature on judgment of facial attractiveness. The major contribution of the present study is the finding that the area of the nose is vital in the judgment of facial attractiveness. This finding establish a contribution of partial processing on female facial attractiveness judgments during eye-tracking. PMID- 29209243 TI - Love Influences Reproductive Success in Humans. AB - As love seems to be universal, researchers have attempted to find its biological basis. However, no studies till date have shown its direct association with reproductive success, which is broadly known to be a good measure of fitness. Here, we show links between love, as defined by the Sternberg Triangular Theory of Love, and reproductive success among the Hadza-traditional hunter-gatherer population. We found that commitment and reproductive success were positively and consistently related in both sexes, with number of children showing negative and positive associations with intimacy and passion, respectively, only among women. Our study may shed new light on the meaning of love in humans' evolutionary past, especially in traditional hunter-gatherer societies in which individuals, not their parents, were responsible for partner choice. We suggest that passion and commitment may be the key factors that increase fitness, and therefore, that selection promoted love in human evolution. However, further studies in this area are recommended. PMID- 29209244 TI - Processing of a Subliminal Rebus during Sleep: Idiosyncratic Primary versus Secondary Process Associations upon Awakening from REM- versus Non-REM-Sleep. AB - Primary and secondary processes are the foundational axes of the Freudian mental apparatus: one horizontally as a tendency to associate, the primary process, and one vertically as the ability for perspective taking, the secondary process. Primary process mentation is not only supposed to be dominant in the unconscious but also, for example, in dreams. The present study tests the hypothesis that the mental activity during REM-sleep has more characteristics of the primary process, while during non-REM-sleep more secondary process operations take place. Because the solving of a rebus requires the ability to non-contexually condensate the literal reading of single stimuli into a new one, rebus solving is a primary process operation by excellence. In a replication of the dream-rebus study of Shevrin and Fisher (1967), a rebus, which consisted of an image of a comb (German: "Kamm") and an image of a raft (German: "Flobeta"), resulting in the German rebus word "kampflos" (Engl.: without a struggle), was flashed subliminally (at 1 ms) to 20 participants before going to sleep. Upon consecutive awakenings participants were asked for a dream report, free associations and an image description. Based on objective association norms, there were significantly more conceptual associations referring to Kamm and Flobeta indexing secondary process mentation when subjects were awakened from non-REM sleep as compared to REM-awakenings. There were not significantly more rebus associations referring to kampflos indexing primary process mentation when awakened from REM-sleep as compared to non-REM awakenings. However, when the associations were scored on the basis of each subject's individual norms, there was a rebus effect with more idiosyncratic rebus associations in awakenings after REM than after non-REM sleep. Our results support the general idea that REM-sleep is characterized by primary process thinking, while non-REM-sleep mentation follows the rules of the secondary process. PMID- 29209246 TI - Cultural Value Orientations and Alcohol Consumption in 74 Countries: A Societal Level Analysis. AB - A significant proportion of all deaths globally can be attributed to alcohol consumption. Although a range of correlates of alcohol consumption have already been identified at the individual level, less is understood about correlates at the macro level, such as cultural values. As a development in this understanding may prove useful for global health organizations aiming to tackle the problems associated with excessive drinking, our aim was to investigate the association between encultured alcohol consumption and Cultural Value Orientations. We obtained data describing average alcohol consumption and Cultural Value Orientations, for 74 countries, from an online data repository. To assess whether Cultural Value Orientations are associated with alcohol consumption we calculated partial correlations and performed a ridge regression analysis. Our analyses revealed that Cultural Value Orientations were significantly associated with alcohol consumption, even after controlling for average income and education level. A profile emerged in which values of autonomy and harmony were shown to be positively associated with alcohol consumption, and hierarchy and embeddedness negatively associated with alcohol consumption. The effect was modified by gender. Changes in cultural Harmony, Mastery, Autonomy and Egalitarianism were associated with increases in alcohol consumption in males, but not females, while changes in cultural Embeddedness and Hierarchy were associated with decreases in consumption in females, but no change in males. Finally, we demonstrate that latitude, and by extension its covariates such as climatic demands, partially accounted for the effect of harmony and affective autonomy on alcohol consumption. This research highlights that cultural values, and their interaction with gender, should be an important consideration for international public health organizations aiming to tackle the problems associated with alcohol consumption, but that future research is required to fully understand the link between cultural values and alcohol. PMID- 29209245 TI - Identification and Description of Novel Mood Profile Clusters. AB - Mood profiling has been a popular assessment strategy since the 1970s, although little evidence exists of distinct mood profiles beyond the realm of sport and exercise. In the present study, we investigated clusters of mood profiles derived from the six subscales of the Brunel Mood Scale using the In The Mood website. Mood responses in three samples (n = 2,364, n = 2,303, n = 1,865) were analyzed using agglomerative, hierarchical cluster analysis, which distinguished six distinct and theoretically meaningful profiles. K-means clustering further refined the final parameter solution. Mood profiles identified were termed the iceberg, inverse iceberg, inverse Everest, shark fin, surface, and submerged profiles. Simultaneous multiple discriminant function analysis showed that cluster membership was correctly classified with a high degree of accuracy. Chi squared tests indicated that the six mood profiles were unequally distributed according to the gender, age, and education of participants. Future research should investigate the antecedents, correlates and consequences of these six mood profile clusters. PMID- 29209247 TI - Translation, Adaptation, and Validation of the Brazilian Version of the Dickman Impulsivity Inventory (Br-DII). AB - Impulsivity has mainly been described as a negative or dysfunctional characteristic associated with several disorders. However, impulsivity is not only related to dysfunctional outcomes and may explain individual differences in optimal human functioning as well. The Dickman Impulsivity Inventory (DII) is a self-report instrument measuring both the dysfunctional and the functional aspects of impulsivity. In this study, we performed the translation and cultural adaptation of the DII to the Brazilian context and analyzed its psychometric properties. Translation and cultural adaptation followed a rigorous process, which relied on an expert panel in the cross-cultural adaptation of psychological instruments. Data from 405 undergraduate students were obtained for the Brazilian version of the DII (Br-DII). The 23 items of the Br-DII was considered unsuitable according to model fit indices of the Confirmatory Factor Analysis (both for Oblique and Orthogonal models). Exploratory Factor Analysis showed an 18 items version of the Br-DII to be suitable (CFI = 0.92; TLI = 0.90, and RMSEA = 0.057). The DII's 18 items version also showed adequate Cronbach's alpha, intraclass correlation coefficient, and convergent and discriminant validity with the BIS 11. Therefore, the Br-DII demonstrated reliability and validity in the measurement of functional and dysfunctional impulsivity. PMID- 29209248 TI - Hardcore Heritage: Imagination for Preservation. PMID- 29209249 TI - Educational and Cognitive Predictors of Pro- and Antisaccadic Performance. AB - Voluntary gaze control allows people to direct their attention toward selected targets while avoiding distractors. Failure in this ability could be related to dysfunctions in the neural circuits underlying executive functions. Interestingly, recent evidence suggests that factors such as years of schooling and literacy may positively influence goal-directed behavior and inhibitory control. However, we do not yet know whether these factors also have a significant impact on the inhibitory control of oculomotor responses. Using pro- and antisaccadic tasks to assess the behavioral responses of healthy adults, we tested the contribution of years of schooling and reading proficiency to their oculomotor control, while simultaneously analyzing the effects of other individual characteristics related to demographic, cognitive and motor profiles. This approach allowed us to test the hypothesis that schooling factors are closely related to oculomotor performance. Indeed, a regression analysis revealed important contributions of reading speed and intellectual functioning to the choices on both pro- and antisaccadic tasks, while years of schooling, age and block sequence emerged as important predictors of the kinematic properties of eye movements on antisaccadic tasks. Thus, our findings show that years of schooling and reading speed had a strong predictive influence on the oculomotor measures, although age and order of presentation also influenced saccadic performance, as previously reported. Unexpectedly, we found that an indirect measure of intellectual ability also proved to be a good predictor of the control of saccadic movements. The methods and findings of this study will be useful for identifying and breaking down the cognitive and educational components involved in assessing voluntary and automatic responses. PMID- 29209250 TI - Mental Simulation of Painful Situations Has an Impact on Posture and Psychophysiological Parameters. AB - Embodiment is made possible by the ability to imagine ourselves in a particular situation (mental simulation). Postural changes have been demonstrated in response to painful situations, but the effect of an implicit instruction has not been studied. The present study was designed to record differential responses according to whether or not subjects were instructed to imagine themselves in a painful or non-painful situation. Painful stimuli and instructions to mentally simulate the displayed situation were hypothesized to induce postural changes that could be demonstrated by changes in the center of pressure (COP) trajectory compared to viewing the same stimuli with no instructions. We hypothesized that mental simulation of a painful situation would induce embodiment of the emotional situation as reflected by posterior displacement of the COP and physiological responses as compared to passive observation of the same visual scene. Thirty-one subjects participated in this study while standing quietly on a posturographic platform with presentation of visual stimuli depicting scenes defining three experimental conditions (painful, non-painful and neutral situations) for 12 s. Physiological measurements [heart rate (HR) and electrodermal activity] and postural responses (COP displacements) were recorded in response to the stimuli with or without instructions to imagine themselves in the situation. Time-course analyses (1 s sliding window) were conducted for several postural parameters, HR and electrodermal response. An interaction effect (instruction * stimuli * time) demonstrated that mental simulation induced posterior displacement of the mean position of the COP at different times during presentation of visual stimuli (4 s; 9-12 s). An effect of instruction was reported for HR (HR was higher in the mental simulation condition), while a stimulation effect was reported only for HR (lower for painful stimuli than for non-painful stimuli). The results of time course analyses demonstrated embodiment of painful situations by postural control modulations and physiological changes depending on whether or not the participants were instructed to imagine themselves in the situation. PMID- 29209251 TI - Social Cognition and Executive Functions As Key Factors for Effective Pedagogy in Higher Education. AB - Higher education (HE) faces the challenge of responding to an increasing diversity. In this context, more attention is being paid to teachers and teaching skills positively related to students learning. Beyond the knowledges identified as key components of an effective teacher, teachers also need to be capable of unraveling what their students think and believe, and how they accommodate the new information. More importantly, teachers need to be able to adapt their own teaching to their audience's needs. In learners, social cognition (SC) has been related to a better receptivity to the different teacher-student interactions. Since these interactions are bidirectional, SC could also help to explain teachers' receptiveness to the information available in feedback situations. However, little is known about how SC is related to teacher development, and therefore teaching effectiveness, in HE. In addition, executive functions (EFs), closely related to SC, could play a key role in the ability to self-regulate their own teaching to better answering their students emerging needs. Although there is wide evidence regarding the association of EFs to performance in high demanding settings, as far as we know, there are no studies exploring the relationship between teachers' EFs and teaching effectiveness in HE. Establishing a positive association between teaching effectiveness and these socio-cognitive functions could be a promising first step in designing professional development programs that promote HE academics' ability to understand and care about students thoughts and emotions, to eventually adapt their teaching to their students needs for a better learning. PMID- 29209252 TI - Role of a Semiotics-Based Curriculum in Empathy Enhancement: A Longitudinal Study in Three Dominican Medical Schools. AB - Background: Empathy in the context of patient care is defined as a predominantly cognitive attribute that involves an understanding of the patient's experiences, concerns, and perspectives, combined with a capacity to communicate this understanding and an intention to help. In medical education, it is recognized that empathy can be improved by interventional approaches. In this sense, a semiotic-based curriculum could be an important didactic tool for improving medical empathy. The main purpose of this study was to determine if in medical schools where a semiotic-based curriculum is offered, the empathetic orientation of medical students improves as a consequence of the acquisition and development of students' communication skills that are required in clinician-patient encounters. Design: This quasi-experimental study was conducted in three medical schools of the Dominican Republic that offer three different medical curricula: (i) a theoretical and practical semiotic-based curriculum; (ii) a theoretical semiotic-based curriculum; and (iii) a curriculum without semiotic courses. The Jefferson scale of empathy was administered in two different moments to students enrolled in pre-clinical cycles of those institutions. Data was subjected to comparative statistical analysis and logistic regression analysis. Results: The study included 165 students (55 male and 110 female). Comparison analysis showed statistically significant differences in the development of empathy among groups (p < 0.001). Logistic regression confirmed that gender, age, and a semiotic-based curriculum contributed toward the enhancement of empathy. Conclusion: These findings demonstrate the importance of medical semiotics as a didactic teaching method for improving beginners' empathetic orientation in patients' care. PMID- 29209253 TI - Improvement of Navigation and Representation in Virtual Reality after Prism Adaptation in Neglect Patients. AB - Prism adaptation (PA) is responsible for an expansion of sensori-motor after effects to cognitive domains for patients with spatial neglect. One important question is whether the cognitive after-effects induced by PA may also concern higher aspects of spatial cognition, such as navigation and topographic memory, which are critical in everyday life. The aim of this study was to assess whether multiple sessions of right PA can affect navigation and topographic memory. Seven right brain-damaged (RBD) patients with chronic neglect were included. We used a virtual supermarket named VAP-S which is an original paradigm, similar to the "shopping list test" during which patients had to purchase items from a list of eight products. Furthermore, in order to assess generalization of PA effects on constructing a spatial map from virtual information, each participant was then asked to draw the map of the virtual supermarket from memory. Regarding navigation performance, significant results were obtained: session duration reduction, fewer numbers of pauses and omissions, more items purchased on the left side and more items purchased over all. A long-lasting effect was noted, up to one month after PA. The representational task performance was also significantly increased for map drawing, with a reduction of the right shift of the symmetry axis of the map, more items drawn on the left side of maps and over all, and more items correctly located on the map. Some of these effects lasted for at least 7 days. These results suggest an expansion of PA benefit to a virtual environment. Crucially, the cognitive benefits induced by PA were noted for complex spatial cognition tasks required in everyday life such as navigation and topographic memory and this improvement was maintained for up to 1 month. PMID- 29209254 TI - Psychometric Properties of Multi-Dimensional Scale of Perceived Social Support in Chinese Parents of Children with Cerebral Palsy. AB - The Multi-dimensional Scale of Perceived Social Support (MSPSS) is one of the most extensively used instruments to assess social support. The purpose of this research was to test the reliability, factorial validity, concurrent validity and measurement invariance across gender groups of the MSPSS in Chinese parents of children with cerebral palsy. A total of 487 participants aged 21-55 years were recruited to complete the Chinese MSPSS and Parenting Stress Index-Short Form (PSI-SF). Composite reliability was calculated as the internal consistency of the Chinese MSPSS and a (multi-group) confirmatory factor analysis (CFA) was conducted to test the factorial validity and measurement invariance across gender. And Pearson correlations were calculated to test the relationships between MSPSS and PSI-SF. The Chinese MSPSS had satisfactory internal reliability with composite reliability values of more than 0.7. The CFA indicated that the original three-factor model was replicated in this specific population. Importantly, the results of the multi-group CFA demonstrated that configural, metric, and scalar invariance across gender groups was supported. In addition, all the three subscales of MSPSS were significant related with PSI-SF. These findings suggest that the Chinese MSPSS is a reliable and valid tool for assessing social support and can generally be utilized across sex in the parents of children with cerebral palsy. PMID- 29209255 TI - Potential for Assessing Dynamic Problem-Solving at the Beginning of Higher Education Studies. AB - There is a growing demand for assessment instruments which can be used in higher education, which cover a broader area of competencies than the traditional tests for disciplinary knowledge and domain-specific skills, and which measure students' most important general cognitive capabilities. Around the age of the transition from secondary to tertiary education, such assessments may serve several functions, including selecting the best-prepared candidates for certain fields of study. Dynamic problem-solving (DPS) is a good candidate for such a role, as tasks that assess it involve knowledge acquisition and knowledge utilization as well. The purpose of this study is to validate an online DPS test and to explore its potential for assessing students' DPS skills at the beginning of their higher education studies. Participants in the study were first-year students at a major Hungarian university (n = 1468). They took five tests that measured knowledge from their previous studies: Hungarian language and literature, mathematics, history, science and English as a Foreign Language (EFL). A further, sixth test based on the MicroDYN approach, assessed students' DPS skills. A brief questionnaire explored learning strategies and collected data on students' background. The testing took place at the beginning of the first semester in three 2-h sessions. Problem-solving showed relatively strong correlations with mathematics (r = 0.492) and science (r = 0.401), and moderate correlations with EFL (r = 0.227), history (r = 0.192), and Hungarian (r = 0.125). Weak but still significant correlations were found with certain learning strategies, positive correlations with elaboration strategies, and a negative correlation with memorization strategies. Significant differences were observed between male and female students; men performed significantly better in DPS than women. Results indicated the dominant role of the first phase of solving dynamic problems, as knowledge acquisition correlated more strongly with any other variable than knowledge utilization. PMID- 29209256 TI - Low Mood Leads to Increased Empathic Distress at Seeing Others' Pain. AB - Previous studies have shown changes in empathy in patients with depression, including an elevated level of trait personal distress. This study examined if low mood causes changes in self-reported empathic distress when seeing others in pain. To test this, we conducted an initial (n = 26) and close replication study (n = 46) in which sad mood was induced in healthy participants (overall mean age M = 21, SD = 5, range = 18-41 years). Participants viewed and rated video stimuli inferring pain experienced by other people. Results showed that participants perceived the videos depicting others' pain (versus no-pain) to be more distressing under a sad mood compared to a neutral mood condition, implying that sadness enhances one's emotional reactivity toward others' distress. This supports previous depression literature suggesting an impaired emotional processing ability, and could contribute to some of the unhelpful behaviors seen in depression such as social withdrawal and avoidance. PMID- 29209257 TI - The Sound of Success: Investigating Cognitive and Behavioral Effects of Motivational Music in Sports. AB - Listening to music before, during, or after sports is a common phenomenon, yet its functions and effects on performance, cognition, and behavior remain to be investigated. In this study we present a novel approach to the role of music in sports and exercise that focuses on the notion of musical self-enhancement (Elvers, 2016). We derived the following hypotheses from this framework: listening to motivational music will (i) enhance self-evaluative cognition, (ii) improve performance in a ball game, and (iii) evoke greater risk-taking behavior. To evaluate the hypotheses, we conducted a between-groups experiment (N = 150) testing the effectiveness of both an experimenter playlist and a participant selected playlist in comparison to a no-music control condition. All participants performed a ball-throwing task developed by Decharms and Dave (1965), consisting of two parts: First, participants threw the ball from fixed distances into a funnel basket. During this task, performance was measured. In the second part, the participants themselves chose distances from the basket, which allowed their risk-taking behavior to be assessed. The results indicate that listening to motivational music led to greater risk taking but did not improve ball-throwing performance. This effect was more pronounced in male participants and among those who listened to their own playlists. Furthermore, self-selected music enhanced state self-esteem in participants who were performing well but not in those who were performing poorly. We also discuss further implications for the notion of musical self-enhancement. PMID- 29209258 TI - Syntactic and Story Structure Complexity in the Narratives of High- and Low Language Ability Children with Autism Spectrum Disorder. AB - Although language impairment is commonly associated with the autism spectrum disorder (ASD), the Diagnostic Statistical Manual no longer includes language impairment as a necessary component of an ASD diagnosis (American Psychiatric Association, 2013). However, children with ASD and no comorbid intellectual disability struggle with some aspects of language whose precise nature is still outstanding. Narratives have been extensively used as a tool to examine lexical and syntactic abilities, as well as pragmatic skills in children with ASD. This study contributes to this literature by investigating the narrative skills of 30 Greek-speaking children with ASD and normal non-verbal IQ, 16 with language skills in the upper end of the normal range (ASD-HL), and 14 in the lower end of the normal range (ASD-LL). The control group consisted of 15 age-matched typically-developing (TD) children. Narrative performance was measured in terms of both microstructural and macrostructural properties. Microstructural properties included lexical and syntactic measures of complexity such as subordinate vs. coordinate clauses and types of subordinate clauses. Macrostructure was measured in terms of the diversity in the use of internal state terms (ISTs) and story structure complexity, i.e., children's ability to produce important units of information that involve the setting, characters, events, and outcomes of the story, as well as the characters' thoughts and feelings. The findings demonstrate that high language ability and syntactic complexity pattern together in ASD children's narrative performance and that language ability compensates for autistic children's pragmatic deficit associated with the production of Theory of Mind-related ISTs. Nevertheless, both groups of children with ASD (high and low language ability) scored lower than the TD controls in the production of Theory of Mind-unrelated ISTs, modifier clauses and story structure complexity. PMID- 29209260 TI - Awareness and Awakening: A Narrative-Oriented Inquiry of Undergraduate Students' Development of Mindful Agency in China. AB - The article explores undergraduate students' experiences of developing mindful agency as a positive learning disposition, their perceived change as a learner, and the possible impact of mindful agency coaching on students' learning and personal growth, using a narrative research method. Seventy Chinese undergraduate students generated personal reflective journals and eight participants' journals were selected to enter into the narrative-oriented inquiry. Our analysis revealed a number of primary themes based on which we produced a meta-story. The supplements of the story were exacted for further critical cross-case discussion. The finding indicated that the multifaceted development of mindful agency involved learning methods, emotional regulation, strategic thinking, and awareness of planning, openness to experience, self-acceptance and self-esteem, and learning engagement, with enhanced sense of personal awareness and awakening. The coaching was supportive for students to foster positive self-identities and become more reflective, mindful, and self-determined. PMID- 29209261 TI - Do True and False Intentions Differ in Level of Abstraction? A Test of Construal Level Theory in Deception Contexts. AB - The aim was to examine how people mentally represent alleged future actions-their true and false intentions. In two experiments, participants were asked to either tell the truth (i.e., express true intentions) or lie (i.e., express false intentions) about performing future tasks. Drawing on Construal Level Theory, which proposes that psychologically distant events are more abstractly construed than proximal ones, it was predicted that liars would have more abstract mental representations of the future tasks than truth tellers, due to differences in hypotheticality (i.e., the likelihood of the future tasks occurring). Construal level was measured by a video segmentation task (Experiment 1, N = 125) and preference for abstract or concrete descriptions of tasks (Experiment 2, N = 59). Veracity had no effect on construal level. Speaking against our initial predictions, the data indicate that true and false intentions are construed at similar levels of abstraction. The results are discussed in the light of Construal Level Theory and the emerging psycho-legal research on true and false intentions. PMID- 29209259 TI - Reinforcement Learning in Autism Spectrum Disorder. AB - Early behavioral interventions are recognized as integral to standard care in autism spectrum disorder (ASD), and often focus on reinforcing desired behaviors (e.g., eye contact) and reducing the presence of atypical behaviors (e.g., echoing others' phrases). However, efficacy of these programs is mixed. Reinforcement learning relies on neurocircuitry that has been reported to be atypical in ASD: prefrontal-sub-cortical circuits, amygdala, brainstem, and cerebellum. Thus, early behavioral interventions rely on neurocircuitry that may function atypically in at least a subset of individuals with ASD. Recent work has investigated physiological, behavioral, and neural responses to reinforcers to uncover differences in motivation and learning in ASD. We will synthesize this work to identify promising avenues for future research that ultimately can be used to enhance the efficacy of early intervention. PMID- 29209262 TI - Body Size Estimation from Early to Middle Childhood: Stability of Underestimation, BMI, and Gender Effects. AB - Individuals who are overweight are more likely to underestimate their body size than those who are normal weight, and overweight underestimators are less likely to engage in weight loss efforts. Underestimation of body size might represent a barrier to prevention and treatment of overweight; thus insight in how underestimation of body size develops and tracks through the childhood years is needed. The aim of the present study was therefore to examine stability in children's underestimation of body size, exploring predictors of underestimation over time. The prospective path from underestimation to BMI was also tested. In a Norwegian cohort of 6 year olds, followed up at ages 8 and 10 (analysis sample: n = 793) body size estimation was captured by the Children's Body Image Scale, height and weight were measured and BMI calculated. Overall, children were more likely to underestimate than overestimate their body size. Individual stability in underestimation was modest, but significant. Higher BMI predicted future underestimation, even when previous underestimation was adjusted for, but there was no evidence for the opposite direction of influence. Boys were more likely than girls to underestimate their body size at ages 8 and 10 (age 8: 38.0% vs. 24.1%; Age 10: 57.9% vs. 30.8%) and showed a steeper increase in underestimation with age compared to girls. In conclusion, the majority of 6, 8, and 10-year olds correctly estimate their body size (prevalence ranging from 40 to 70% depending on age and gender), although a substantial portion perceived themselves to be thinner than they actually were. Higher BMI forecasted future underestimation, but underestimation did not increase the risk for excessive weight gain in middle childhood. PMID- 29209264 TI - Evaluation of a Picture-Based Test for the Assessment of Gelotophobia. AB - This study examines whether coding open answers in a picture-based test, as to the extent they reflect the fear of being laughed at (i.e., gelotophobia), demonstrates sufficient validity to construct a semi-projective test for the assessment of gelotophobia. Previous findings indicate that cartoon stimuli depicting laughter situations (i.e., in the pilot version of the Picture-Geloph; Ruch et al., 2009) on average elicit fear-typical responses in gelotophobes stronger than in non-gelotophobes. The present study aims to (a) develop a standardized scoring procedure based on a coding scheme, and (b) examine the properties of the pilot version of the Picture-Geloph in order to select the most acceptable items for a standard form of the test. For Study 1, a sample of N = 126 adults, with scores evenly distributed across the gelotophobia spectrum, completed the pilot version of the Picture-Geloph by noting down what they assumed the protagonist in each of 20 cartoons would say or think. Furthermore, participants answered the GELOPH<15> (Ruch and Proyer, 2008), the established questionnaire for the subjective assessment of the fear of being laughed at. Agreement between two independent raters indicated that the developed coding scheme allows for objective and reliable scoring of the Picture-Geloph (mean of intraclass correlations = 0.66). Nine items met the criteria employed to identify the psychometrically most reliable and valid items. These items were unidimensional and internally consistent (Cronbach's alpha = 0.78). The total score of this selection (i.e., the Picture-Geloph<9>) discriminated significantly between non-fearful, slightly, markedly, and extremely fearful individuals; furthermore, it correlated sufficiently high (r = 0.66; rc = 0.79 when corrected for reliability of both measures) with the GELOPH<15>. Cronbach's alpha (0.73) was largely comparable whereas the estimate of convergent validity was found to be lower in one (r = 0.50; rc = 0.61; N = 103) of the two samples in Study 2. Combining all three samples (N = 313) yielded a linear relationship between the self-report and the Picture-Geloph. With the Picture-Geloph<9> and the developed coding scheme, an unobtrusive and valid alternative instrument for the assessment of gelotophobia is provided. Possible applications are discussed. PMID- 29209263 TI - Changes in White-Matter Connectivity in Late Second Language Learners: Evidence from Diffusion Tensor Imaging. AB - Morphological brain changes as a consequence of new learning have been widely established. Learning a second language (L2) is one such experience that can lead to rapid structural neural changes. However, still relatively little is known about how levels of proficiency in the L2 and the age at which the L2 is learned influence brain neuroplasticity. The goal of this study is to provide novel evidence for the effect of bilingualism on white matter structure in relatively proficient but late L2 learners who acquired the second language after early childhood. Overall, the results demonstrate a significant effect on white matter fractional anisotropy (FA) as a function of L2 learning. Higher FA values were found in a broad white matter network including the anterior thalamic radiation (ATR), the inferior fronto-occipital fasciculus (IFOF), the Uncinate Fasciculus (UF), and the inferior longitudinal fasciculus (ILF). Moreover, FA values were correlated with age of L2 acquisition, suggesting that learning an L2, even past childhood, induces neural changes. Finally, these results provide some initial evidence that variability in the age of L2 acquisition has important consequences for neural plasticity. PMID- 29209265 TI - Working Conditions and Individual Differences Are Weakly Associated with Workaholism: A 2-3-Year Prospective Study of Shift-Working Nurses. AB - This study focuses on individual differences and the demand-support-control model in relation to workaholism. We hypothesized that unfavorable working conditions (high job demands, low job control/decision latitude, and low social support at work) and individual differences concerning sleep/wake-related variables (high flexibility, high morningness, and low languidity) would be related to workaholism measured 2-3 years later. Survey data stemmed from a prospective cohort of shift-working nurses (N = 1,308). The results showed that social support at work was negatively related to workaholism, whereas job demands were positively related to workaholism. Flexibility in terms of time for working/sleeping was also positively related to workaholism. The analyses further revealed that workaholism was inversely associated with age as well as having a child or having a child move in. Conjointly, the independent variables explained 6.4% of the variance in workaholism, while their relative importance was small overall. After controlling for all other independent variables, high job demands had the strongest relationship (small-to-medium) with workaholism. This implies that less pressure from the external environment to work excessively hard may prevent an increase in workaholic behaviors. Overall, the study adds to our understanding of the relationships between working conditions, individual differences, and workaholism. PMID- 29209267 TI - Transition from Acute to Chronic Tinnitus: Predictors for the Development of Chronic Distressing Tinnitus. AB - Background: Acute tinnitus and its transition to chronic tinnitus are poorly investigated, and factors associated with amelioration versus exacerbation are largely unknown. Aims of this study were to identify early predictors for the future development of tinnitus severity. Method: Patients with tinnitus of no longer than 4 weeks presenting at an otolaryngologist filled out questionnaires at inclusion (T1), as well as 3 (T3), and 6 months (T4) after tinnitus onset. 6 weeks after onset, an interview was conducted over the phone (T2). An audiogram was taken at T1, perceived tinnitus loudness, and tinnitus-related distress were assessed separately and repeatedly together with oversensitivity to external sounds and the levels of depression and anxiety. Furthermore, coping strategies with illness were recorded. Results: Complete remission until T4 was observed in 11% of the 47 participants, while voiced complaints at onset were stable in the majority. In the subgroup with a relevant level of depression at T1, tinnitus related distress worsened in 30% until T4. For unilateral tinnitus, perceived loudness in the chronic condition correlated strongly with hearing loss at 2 kHz on the tinnitus ear, while a similar correlation was not found for tinnitus located to both ears or within the head. Conclusion: Results suggest early manifestation of tinnitus complaints, and stress the importance of screening all patients presenting with acute tinnitus for levels of depression and tinnitus related distress. Furthermore, hearing levels should be monitored, and use of hearing aids should be considered to reduce tinnitus loudness after having ascertained that sound sensitivity is within normal range. PMID- 29209268 TI - Implementation and Evaluation of an Economic Model for Telestroke: Experience from Virtuall, France. AB - Background: Telestroke is recognized as a safe and time-efficient way of treating stroke patients. However, admission centers (spokes) are subject to financial charges which can make them reluctant to join the system. We implemented and assessed an economic model supporting our telestroke system, Virtuall, France, which includes one expert center (hub) and six spokes. Methods: The model is based on payment for the expertise provided by the hub, distribution of charges related to telemedicine according to the fees perceived by the spokes, and transfer of patients between the spokes and the hub. We performed a cost-benefit analysis for all patients included in Virtuall from January 2014 to December 2015 to assess the economic balance in each center. Results: 321 patients were prospectively included in the study. Application of the economic model resulted in overall financial balance with funding of a dedicated medical service in the hub, and reduced costs directly related to telestroke by an average of 10% in the spokes. The conditions generating the highest costs for the spokes were: a patient returning from the hub for re-hospitalization (mean cost of $1,995/patient); management of patients treated by intravenous thrombolysis without transfer to the hub (mean cost of $2,075/patient). The most favorable financial condition for the spokes remained simple transfer of patients to the hub and no return (mean cost of $329/patient). Conclusion: We describe an economic model which can be applied to any telestroke system to ensure the optimal balance between hub and spoke centers. PMID- 29209266 TI - Current Opportunities for Clinical Monitoring of Axonal Pathology in Traumatic Brain Injury. AB - Traumatic brain injury (TBI) is a multidimensional and highly complex disease commonly resulting in widespread injury to axons, due to rapid inertial acceleration/deceleration forces transmitted to the brain during impact. Axonal injury leads to brain network dysfunction, significantly contributing to cognitive and functional impairments frequently observed in TBI survivors. Diffuse axonal injury (DAI) is a clinical entity suggested by impaired level of consciousness and coma on clinical examination and characterized by widespread injury to the hemispheric white matter tracts, the corpus callosum and the brain stem. The clinical course of DAI is commonly unpredictable and it remains a challenging entity with limited therapeutic options, to date. Although axonal integrity may be disrupted at impact, the majority of axonal pathology evolves over time, resulting from delayed activation of complex intracellular biochemical cascades. Activation of these secondary biochemical pathways may lead to axonal transection, named secondary axotomy, and be responsible for the clinical decline of DAI patients. Advances in the neurocritical care of TBI patients have been achieved by refinements in multimodality monitoring for prevention and early detection of secondary injury factors, which can be applied also to DAI. There is an emerging role for biomarkers in blood, cerebrospinal fluid, and interstitial fluid using microdialysis in the evaluation of axonal injury in TBI. These biomarker studies have assessed various axonal and neuroglial markers as well as inflammatory mediators, such as cytokines and chemokines. Moreover, modern neuroimaging can detect subtle or overt DAI/white matter changes in diffuse TBI patients across all injury severities using magnetic resonance spectroscopy, diffusion tensor imaging, and positron emission tomography. Importantly, serial neuroimaging studies provide evidence for evolving axonal injury. Since axonal injury may be a key risk factor for neurodegeneration and dementias at long-term following TBI, the secondary injury processes may require prolonged monitoring. The aim of the present review is to summarize the clinical short- and long-term monitoring possibilities of axonal injury in TBI. Increased knowledge of the underlying pathophysiology achieved by advanced clinical monitoring raises hope for the development of novel treatment strategies for axonal injury in TBI. PMID- 29209270 TI - Transcranial Direct Current Stimulation in Patients with Prolonged Disorders of Consciousness: Combined Behavioral and Event-Related Potential Evidence. AB - Background: The electrophysiological evidence supporting the therapeutic efficacy of multiple transcranial direct current stimulation (tDCS) sessions on consciousness improvement in patients with prolonged disorders of consciousness (DOCs) has not been firmly established. Objectives: To assess the effects of repeated tDCS in patients with prolonged DOCs by Coma Recovery Scale-Revised (CRS R) score and event-related potential (ERP). Method: Using a sham-controlled randomized double-blind design, 26 patients were randomly assigned to either a real [five vegetative state (VS) and eight minimally conscious state (MCS) patients] or sham (six VS and seven MCS patients) stimulation group. The patients in the real stimulation group underwent 20 anodal tDCS sessions of the left dorsolateral prefrontal cortex (DLPFC) over 10 consecutive working days. The CRS R score and P300 amplitude and latency in a hierarchical cognitive assessment were recorded to evaluate the consciousness level before tDCS and immediately after the 20 sessions. Results: The intra-group CRS-R analysis revealed a clinically significant improvement in the MCS patients in the real stimulation group. The inter-group CRS-R analysis showed a significant difference in CRS-R between VS and MCS patients at baseline in both the real and sham stimulation groups. The intra-group ERP analysis revealed a significant increase in P300 amplitude after tDCS in the MCS patients in the real stimulation group, but no significant differences in P300 latency. For the inter-group ERP analysis, we observed significant differences regarding the presence of P300 at baseline between the VS and MCS patients in both groups. Conclusion: The repeated anodal tDCS of the left DLPFC could produce clinically significant improvements in MCS patients. The observed tDCS-related consciousness improvements might be related to improvements in attention resource allocation (reflected by the P300 amplitude). The findings support the use of tDCS in clinical practice and ERP might serve as an efficient electrophysiological assessment tool in patients with DOCs. PMID- 29209269 TI - If Time Is Brain Where Is the Improvement in Prehospital Time after Stroke? AB - Despite the availability of thrombolytic and endovascular therapy for acute ischemic stroke, many patients are ineligible due to delayed hospital arrival. The identification of factors related to either early or delayed hospital arrival may reveal potential targets of intervention to reduce prehospital delay and improve access to time-critical thrombolysis and clot retrieval therapy. Here, we have reviewed studies reporting on factors associated with either early or delayed hospital arrival after stroke, together with an analysis of stroke onset to hospital arrival times. Much effort in the stroke treatment community has been devoted to reducing door-to-needle times with encouraging improvements. However, this review has revealed that the median onset-to-door times and the percentage of stroke patients arriving before the logistically critical 3 h have shown little improvement in the past two decades. Major factors affecting prehospital time were related to emergency medical pathways, stroke symptomatology, patient and bystander behavior, patient health characteristics, and stroke treatment awareness. Interventions addressing these factors may prove effective in reducing prehospital delay, allowing prompt diagnosis, which in turn may increase the rates and/or efficacy of acute treatments such as thrombolysis and clot retrieval therapy and thereby improve stroke outcomes. PMID- 29209271 TI - Development and Implementation of a New Telerehabilitation System for Audiovisual Stimulation Training in Hemianopia. AB - Telerehabilitation, defined as the method by which communication technologies are used to provide remote rehabilitation, although still underused, could be as efficient and effective as the conventional clinical rehabilitation practices. In the literature, there are descriptions of the use of telerehabilitation in adult patients with various diseases, whereas it is seldom used in clinical practice with child and adolescent patients. We have developed a new audiovisual telerehabilitation (AVT) system, based on the multisensory capabilities of the human brain, to provide a new tool for adults and children with visual field defects in order to improve ocular movements toward the blind hemifield. The apparatus consists of a semicircular structure in which visual and acoustic stimuli are positioned. A camera is integrated into the mechanical structure in the center of the panel to control eye and head movements. Patients can use this training system with a customized software on a tablet. From hospital, the therapist has complete control over the training process, and the results of the training sessions are automatically available within a few minutes on the hospital website. In this paper, we report the AVT system protocol and the preliminary results on its use by three adult patients. All three showed improvements in visual detection abilities with long-term effects. In the future, we will test this apparatus with children and their families. Since interventions for impairments in the visual field have a substantial cost for individuals and for the welfare system, we expect that our research could have a profound socio economic impact avoiding prolonged and intensive hospital stays. PMID- 29209273 TI - Updates on the Management of Advanced, Metastatic, and Radioiodine Refractory Differentiated Thyroid Cancer. AB - Differentiated thyroid cancer (DTC) accounts for 95% of all thyroid cancers and is generally an indolent tumor, treated effectively with surgery, radioactive iodine, and thyroid-stimulating hormone suppressive therapy. However, 5-10% of patients have advanced disease, with aerodigestive tract invasion, distant metastases, or radioiodine refractory disease, with poor prognosis. This review focuses on the approaches for treating advanced DTC, including management of gross extra-thyroidal extension, recurrent loco-regional or distant metastatic disease, the role of external beam radiation therapy and systemic treatment. Locally ablative treatment modalities, including surgery, radiation therapy, and thermal ablation are evolving and can be used in selected patients. In recent years, new therapeutic agents with molecular targets have become available and two multi-kinase inhibitors, Sorafenib and Lenvatinib, have been licensed for iodine refractory DTC showing an advantage in terms of progression-free survival, although an impact on overall survival has not been proven yet. Management of advanced thyroid cancer can be challenging but a multidisciplinary approach can significantly improve outcomes for this patient population. PMID- 29209272 TI - A European Perspective on Auditory Processing Disorder-Current Knowledge and Future Research Focus. AB - Current notions of "hearing impairment," as reflected in clinical audiological practice, do not acknowledge the needs of individuals who have normal hearing pure tone sensitivity but who experience auditory processing difficulties in everyday life that are indexed by reduced performance in other more sophisticated audiometric tests such as speech audiometry in noise or complex non-speech sound perception. This disorder, defined as "Auditory Processing Disorder" (APD) or "Central Auditory Processing Disorder" is classified in the current tenth version of the International Classification of diseases as H93.25 and in the forthcoming beta eleventh version. APDs may have detrimental effects on the affected individual, with low esteem, anxiety, and depression, and symptoms may remain into adulthood. These disorders may interfere with learning per se and with communication, social, emotional, and academic-work aspects of life. The objective of the present paper is to define a baseline European APD consensus formulated by experienced clinicians and researchers in this specific field of human auditory science. A secondary aim is to identify issues that future research needs to address in order to further clarify the nature of APD and thus assist in optimum diagnosis and evidence-based management. This European consensus presents the main symptoms, conditions, and specific medical history elements that should lead to auditory processing evaluation. Consensus on definition of the disorder, optimum diagnostic pathway, and appropriate management are highlighted alongside a perspective on future research focus. PMID- 29209274 TI - Optimizing Patient Management and Adherence for Children Receiving Growth Hormone. AB - Poor adherence with growth hormone (GH) therapy has been associated with worse clinical outcomes, which in children relates specifically to their linear growth and loss of quality of life. The "360 degrees GH in Europe" meeting, held in Lisbon, Portugal, in June 2016 and funded by Merck KGaA (Germany), examined many aspects of GH diseases. The three sessions, entitled "Short Stature Diagnosis and Referral," "Optimizing Patient Management," and "Managing Transition," each benefited from three guest speaker presentations, followed by an open discussion and are reported as a manuscript, authored by the speakers. Reported here is a summary of the proceedings of the second session, which reviewed the determinants of GH therapy response, factors affecting GH therapy adherence and the development of innovative technologies to improve GH treatment in children. Response to GH therapy varies widely, particularly in regard to the underlying diagnosis, although there is little consensus on the definition of a poor response. If the growth response is seen to be less than expected, the possible reasons should be discussed with patients and their parents, including compliance with the therapy regimen. Understanding and addressing the multiple factors that influence adherence, in order to optimize GH therapy, requires a multi disciplinary approach. Because therapy continues over many years, various healthcare professionals will be involved at different periods of the patient's journey. The role of the injection device for GH therapy, frequent monitoring of response, and patient support are all important for maintaining adherence. New injection devices are incorporating electronic technologies for automated monitoring and recording of clinically relevant information on injections. Study results are indicating that such devices can at least maintain GH adherence; however, acceptance of novel devices needs to be assessed and there remains an on going need for innovations. PMID- 29209275 TI - Lipid Uptake, Metabolism, and Transport in the Larval Zebrafish. AB - The developing zebrafish is a well-established model system for studies of energy metabolism, and is amenable to genetic, physiological, and biochemical approaches. For the first 5 days of life, nutrients are absorbed from its endogenous maternally deposited yolk. At 5 days post-fertilization, the yolk is exhausted and the larva has a functional digestive system including intestine, liver, gallbladder, pancreas, and intestinal microbiota. The transparency of the larval zebrafish, and the genetic and physiological similarity of its digestive system to that of mammals make it a promising system in which to address questions of energy homeostasis relevant to human health. For example, apolipoprotein expression and function is similar in zebrafish and mammals, and transgenic animals may be used to examine both the transport of lipid from yolk to body in the embryo, and the trafficking of dietary lipids in the larva. Additionally, despite the identification of many fatty acid and lipid transport proteins expressed by vertebrates, the cell biological processes that mediate the transport of dietary lipids from the intestinal lumen to the interior of enterocytes remain to be elucidated. Genetic tractability and amenability to live imaging and a range of biochemical methods make the larval zebrafish an ideal model in which to address open questions in the field of lipid transport, energy homeostasis, and nutrient metabolism. PMID- 29209276 TI - l-Thyroxine in an Oral Liquid or Softgel Formulation Ensures More Normal Serum Levels of Free T4 in Patients with Central Hypothyroidism. AB - Context: l-Thyroxine (l-T4) therapy of central hypothyroidism (CH) is guided by measurements of serum free thyroxine (FT4), which should be above the midnormal range value (MNRV). In some countries, novel formulations of oral l-T4 (liquid or softgel) are available further to the classic tablets. The intestinal absorption of either novel formulation is greater than tablets in patients with primary hypothyroidism. Objective: To evaluate whether new oral formulations of l-T4 could be considered optimal in patients with CH who do not reach the FT4 target using tablet l-T4. Design: Our observation of six patients with isolated CH and serum FT4 below MNRV under stable adequate doses of tablet l-T4 (median 1.51 MUg/kg bw/day), prompted us to switch them to liquid (n = 4) or softgel (n = 3) l T4 at the same dose, and verify whether FT4 increased above MNRV. A seventh patient with FT4 above MNRV was enrolled because she wanted a "more modern formulation." Postswitch FT4 was measured at least twice with the same kit as preswitch FT4. Results: In the first six patients, postswitch FT4 averaged 13.0 +/- 1.6 pg/ml compared to 10.4 +/- 1.8 preswitch FT4 (P = 0.00026), with 11/13 (85%) measurements above MNRV compared to 0/20. In the liquid or softgel l-T4 group, postswitch FT4 averaged 13.1 +/- 1.6 vs. 10.6 +/- 0.9 pg/ml preswitch (P = 0.0004) or 12.9 +/- 2.1 vs. 10.3 +/- 2.4 (P = 0.048), respectively. In the seventh patient (switched to liquid l-T4), averages were 18.3 vs. 15.2 pg/ml, and proportions 4/4 vs. 2/2. Conclusion: In CH patients, oral liquid or softgel l-T4 administered at the same doses as tablet l-T4 ensures target serum FT4 levels above MNRV that tablet l-T4 may miss. In turn, this performance suggests the more favorable pharmacokinetics profile of either novel formulation compared with the tablet formulation. PMID- 29209277 TI - Exenatide Improves Bone Quality in a Murine Model of Genetically Inherited Type 2 Diabetes Mellitus. AB - Type 2 diabetes mellitus (T2DM) is associated with skeletal complications, including an increased risk of fractures. Reduced blood supply and bone strength may contribute to this skeletal fragility. We hypothesized that long-term administration of Exenatide, a glucagon-like peptide-1 receptor agonist, would improve bone architecture and strength of T2DM mice by increasing blood flow to bone, thereby stimulating bone formation. In this study, we used a model of obesity and severe T2DM, the leptin receptor-deficient db/db mouse to assess alterations in bone quality and hindlimb blood flow and to examine the beneficial effects of 4 weeks administration of Exenatide. As expected, diabetic mice showed marked alterations in bone structure, remodeling and strength, and basal vascular tone compared with lean mice. Exenatide treatment improved trabecular bone mass and architecture by increasing bone formation rate, but only in diabetic mice. Although there was no effect on hindlimb perfusion at the end of this treatment, Exenatide administration acutely increased tibial blood flow. While Exenatide treatment did not restore the impaired bone strength, intrinsic properties of the matrix, such as collagen maturity, were improved. The effects of Exenatide on in vitro bone formation were further investigated in primary osteoblasts cultured under high-glucose conditions, showing that Exenatide reversed the impairment in bone formation induced by glucose. In conclusion, Exenatide improves trabecular bone mass by increasing bone formation and could protect against the development of skeletal complications associated with T2DM. PMID- 29209278 TI - Follicle-Stimulating Hormone Regulates igfbp Gene Expression Directly or via Downstream Effectors to Modulate Igf3 Effects on Zebrafish Spermatogenesis. AB - Previous work showed that pharmacological inactivation of Igf-binding proteins (Igfbps), modulators of Igf activity, resulted in an excessive differentiation of type A undifferentiated (Aund) spermatogonia in zebrafish testis in tissue culture when Fsh was present in the incubation medium. Using this testis tissue culture system, we studied here the regulation of igfbp transcript levels by Fsh and two of its downstream effectors, Igf3 and 11-ketotestosterone (11-KT). We also explored how Fsh-modulated igfbp expression affected spermatogonial proliferation by adding or removing the Igfbp inhibitor NBI-31772 at different times. Fsh (100 ng/mL) decreased the transcript levels of igfbp1a, -3, and -6a after 1 or 3 days, while increasing igfbp2a and -5b expression, but only after 5 days of incubation. Igf3 down-regulated the same igfbp transcripts as Fsh but with a delay of at least 4 days. 11-KT increased the transcripts (igfbp2a and 5b) that were elevated by Fsh and decreased those of igfbp6a, as did Fsh, while 11-KT did not change igfbp1a or -3 transcript levels. To evaluate Igfbps effects on spermatogenesis, we quantified under different conditions the mitotic indices and relative section areas occupied by the different spermatogonial generations (type Aund, type A differentiating (Adiff), or type B (B) spermatogonia). Igf3 (100 ng/mL) increased the area occupied by Adiff and B while decreasing the one for Aund. Interestingly, a concentration of Igf3 that was inactive by itself (25 ng/mL) became active in the presence of the Igfbp inhibitor NBI-31772 and mimicked the effect of 100 ng/mL Igf3 on spermatogonia. Studies exploiting the different dynamics of igfbp expression in response to Fsh and adding or removing NBI-31772 at different times showed that the quick downregulation of three igfbp as well as the delayed upregulated of two igfbps all support Igf3 bioactivity, namely the stimulation of spermatogonial differentiation. We conclude that Fsh modulates, directly or via androgens and Igf3, igfbp gene expression, supporting Igf3 bioactivity either by decreasing igfbp1a, -3, -6a or by increasing igfbp2a and -5b gene expression. PMID- 29209280 TI - Meloidogyne incognita Fatty Acid- and Retinol- Binding Protein (Mi-FAR-1) Affects Nematode Infection of Plant Roots and the Attachment of Pasteuria penetrans Endospores. AB - Root-knot nematode (RKN) Meloidogyne incognita is an economically important pest of crops. Pasteuria penetrans, is a nematode hyperparasitic bacterium capable of suppressing the reproduction of RKN and thereby useful for its management. Secreted fatty acid and retinol-binding proteins are unique in nematodes and are engaged in nutrient acquisition, development and reproduction; they are also a component of the nematode cuticle and thought to be involved in the interface between hosts and parasites. Attachment of endospores to the cuticle of second stage juveniles of RKN is the primary step of infection and several factors have been identified to facilitate attachment. In this study, the full length of Mi far-1 (573 bp) was cloned from M. incognita and characterized. Analysis revealed that the Mi-far-1 was rich in alpha-helix structure, contained a predicted consensus casein kinase II phosphorylation site and a glycosylation site. Quantitative PCR showed the highest expression in the fourth stage juveniles and in situ hybridization revealed the presence of Mi-far-1 mRNA in the hypodermis below the cuticle. Single copy insertion pattern of Mi-far-1 in M. incognita genome was detected by Southern blotting. Knockdown of Mi-far-1 showed significantly increased attachment of P. penetrans' endospores on juvenile cuticle surface and also affected host finding, root infection and nematode fecundity. PMID- 29209279 TI - Promoting Glucose Transporter-4 Vesicle Trafficking along Cytoskeletal Tracks: PAK-Ing Them Out. AB - Glucose is the principal cellular energy source in humans and maintenance of glucose homeostasis is critical for survival. Glucose uptake into peripheral skeletal muscle and adipose tissues requires the trafficking of vesicles containing glucose transporter-4 (GLUT4) from the intracellular storage compartments to the cell surface. Trafficking of GLUT4 storage vesicles is initiated via the canonical insulin signaling cascade in skeletal muscle and fat cells, as well as via exercise-induced contraction in muscle cells. Recent studies have elucidated steps in the signaling cascades that involve remodeling of the cytoskeleton, a process that underpins the mechanical movement of GLUT4 vesicles. This review is focused upon an alternate phosphoinositide-3 kinase dependent pathway involving Ras-related C3 botulinum toxin substrate 1 signaling through the p21-activated kinase p21-activated kinase 1 and showcases related signaling events that co-regulate both the depolymerization and re-polymerization of filamentous actin. These new insights provide an enriched understanding into the process of glucose transport and yield potential new targets for interventions aimed to improve insulin sensitivity and remediate insulin resistance, pre-diabetes, and the progression to type 2 diabetes. PMID- 29209282 TI - Identification and Analysis of Novel Inhibitors against NS3 Helicase and NS5B RNA Dependent RNA Polymerase from Hepatitis C Virus 1b (Con1). AB - Hepatitis C virus (HCV) leads to severe liver diseases, including liver fibrosis, cirrhosis and hepatocellular carcinoma. Non-structural protein 3 helicase (NS3h) and non-structural protein 5B RNA-dependent RNA polymerase (NS5B) are involved in the replication of HCV RNA genome, and have been proved to be excellent targets for discovery of direct-acting antivirals. In this study, two high-throughput screening systems, fluorescence polarization (FP)-based ssDNA binding assay and fluorescence intensity (FI)-based dsRNA formation assay, were constructed to identify candidate NS3h and NS5B inhibitors, respectively. A library of approximately 800 small molecules and crude extracts, derived from marine microorganisms or purchased from the National Compound Resource Center, China, were screened, with three hits selected for further study. Natural compound No.3A5, isolated from marine fungi, inhibited NS3h activity with an IC50 value of 2.8 MUM. We further demonstrated that compound No.3A5 inhibited the abilities of NS3h to bind ssDNA in electrophoretic mobility shift assay and to hydrolyze ATP. The NS3h-inhibitory activity of compound No.3A5 was reversible in our dilution assay, which indicated there was no stable NS3h-No.3A5 complex formed. Additionally, compound No.3A5 exhibited no binding selectivity on NS3h or single strand binding protein of Escherichia coli. In NS5B assays, commercial compounds No.39 and No.94 previously reported as kinase inhibitors were found to disrupt dsRNA formation, and their IC50 values were 62.9 and 18.8 MUM, respectively. These results highlight how identifying new uses for existing drugs is an effective method for discovering novel HCV inhibitors. To our knowledge, all inhibitors reported in this study were originally discovered with HCV anti-non structural protein activities in vitro. PMID- 29209281 TI - Nitrifier Gene Abundance and Diversity in Sediments Impacted by Acid Mine Drainage. AB - Extremely acidic and metal-rich acid mine drainage (AMD) waters can have severe toxicological effects on aquatic ecosystems. AMD has been shown to completely halt nitrification, which plays an important role in transferring nitrogen to higher organisms and in mitigating nitrogen pollution. We evaluated the gene abundance and diversity of nitrifying microbes in AMD-impacted sediments: ammonia oxidizing archaea (AOA), ammonia-oxidizing bacteria (AOB), and nitrite-oxidizing bacteria (NOB). Samples were collected from the Iron Springs Mining District (Ophir, CO, United States) during early and late summer in 2013 and 2014. Many of the sites were characterized by low pH (<5) and high metal concentrations. Sequence analyses revealed AOA genes related to Nitrososphaera, Nitrosotalea, and Nitrosoarchaeum; AOB genes related to Nitrosomonas and Nitrosospira; and NOB genes related to Nitrospira. The overall abundance of AOA, AOB and NOB was examined using quantitative PCR (qPCR) amplification of the amoA and nxrB functional genes and 16S rRNA genes. Gene copy numbers ranged from 3.2 * 104 - 4.9 * 107 archaeal amoA copies * MUg DNA-1, 1.5 * 103 - 5.3 * 105 AOB 16S rRNA copies * MUg DNA-1, and 1.3 * 106 - 7.7 * 107Nitrospira nxrB copies * MUg DNA-1. Overall, Nitrospira nxrB genes were found to be more abundant than AOB 16S rRNA and archaeal amoA genes in most of the sample sites across 2013 and 2014. AOB 16S rRNA and Nitrospira nxrB genes were quantified in sediments with pH as low as 3.2, and AOA amoA genes were quantified in sediments as low as 3.5. Though pH varied across all sites (pH 3.2-8.3), pH was not strongly correlated to the overall community structure or relative abundance of individual OTUs for any gene (based on CCA and Spearman correlations). pH was positivity correlated to the total abundance (qPCR) of AOB 16S rRNA genes, but not for any other genes. Metals were not correlated to the overall nitrifier community composition or abundance, but were correlated to the relative abundances of several individual OTUs. These findings extend our understanding of the distribution of nitrifying microbes in AMD-impacted systems and provide a platform for further research. PMID- 29209283 TI - Combination of Microfluidic Loop-Mediated Isothermal Amplification with Gold Nanoparticles for Rapid Detection of Salmonella spp. in Food Samples. AB - Foodborne diseases are an important cause of morbidity and mortality. According to the World Health Organization, there are 31 main global hazards, which caused in 2010 600 million foodborne illnesses and 420000 deaths. Among them, Salmonella spp. is one of the most important human pathogens, accounting for more than 90000 cases in Europe and even more in the United States per year. In the current study we report the development, and thorough evaluation in food samples, of a microfluidic system combining loop-mediated isothermal amplification with gold nanoparticles (AuNPs). This system is intended for low-cost, in situ, detection of different pathogens, as the proposed methodology can be extrapolated to different microorganisms. A very low limit of detection (10 cfu/25 g) was obtained. Furthermore, the evaluation of spiked food samples (chicken, turkey, egg products), completely matched the expected results, as denoted by the index kappa of concordance (value of 1.00). The results obtained for the relative sensitivity, specificity and accuracy were of 100% as well as the positive and negative predictive values. PMID- 29209284 TI - The Sit-and-Wait Hypothesis in Bacterial Pathogens: A Theoretical Study of Durability and Virulence. AB - The intriguing sit-and-wait hypothesis predicts that bacterial durability in the external environment is positively correlated with their virulence. Since its first proposal in 1987, the hypothesis has been spurring debates in terms of its validity in the field of bacterial virulence. As a special case of the vector borne transmission versus virulence tradeoff, where vector is now replaced by environmental longevity, there are only sporadic studies over the last three decades showing that environmental durability is possibly linked with virulence. However, no systematic study of these works is currently available and epidemiological analysis has not been updated for the sit-and-wait hypothesis since the publication of Walther and Ewald's (2004) review. In this article, we put experimental evidence, epidemiological data and theoretical analysis together to support the sit-and-wait hypothesis. According to the epidemiological data in terms of gain and loss of virulence (+/-) and durability (+/-) phenotypes, we classify bacteria into four groups, which are: sit-and-wait pathogens (++), vector-borne pathogens (+-), obligate-intracellular bacteria (--), and free living bacteria (-+). After that, we dive into the abundant bacterial proteomic data with the assistance of bioinformatics techniques in order to investigate the two factors at molecular level thanks to the fast development of high-throughput sequencing technology. Sequences of durability-related genes sourced from Gene Ontology and UniProt databases and virulence factors collected from Virulence Factor Database are used to search 20 corresponding bacterial proteomes in batch mode for homologous sequences via the HMMER software package. Statistical analysis only identified a modest, and not statistically significant correlation between mortality and survival time for eight non-vector-borne bacteria with sit and-wait potentials. Meanwhile, through between-group comparisons, bacteria with higher host-mortality are significantly more durable in the external environment. The results of bioinformatics analysis correspond well with epidemiological data, that is, non-vector-borne pathogens with sit-and-wait potentials have higher number of virulence and durability genes compared with other bacterial groups. However, the conclusions are constrained by the relatively small bacterial sample size and non-standardized experimental data. PMID- 29209285 TI - Reduction of Salmonella Shedding by Sows during Gestation in Relation to Its Fecal Microbiome. AB - Pork meat is estimated to be responsible for 10-20% of human salmonellosis cases in Europe. Control strategies at the farm could reduce contamination at the slaughterhouse. One of the targeted sectors of production is maternity, where sows could be Salmonella reservoirs. The aim of this study was to assess the dynamics of shedding of Salmonella in terms of variation in both shedding prevalence and strains excreted during gestation in Quebec's maternity sector. The evolution of the fecal microbiota of these sows during gestation was also assessed to detect bacterial populations associated with these variations. A total of 73 sows both at the beginning and the end of the gestation were randomly selected and their fecal matter was analyzed. Salmonella detection was conducted using a method that includes two selective enrichment media (MSRV and TBG). Nine isolates per positive samples were collected. Among the 73 sows tested, 27 were shedding Salmonella. Sows in the first third of their gestation shed Salmonella significantly more frequently (21/27) than those in the last third (6/46) (chi2P < 0.05). The shedding status of 19 of the sows that were previously sampled in the first third of their gestation was followed, this time in the last third of their gestation, which confirmed reduction of shedding. Using 16S rRNA gene sequencing and qPCR, significant differences between the fecal flora of sows at the beginning and the end of the gestation, shedding Salmonella or not and with different parity number were detected. Using MaAsLin, multiple OTUs were found to be associated with the time of gestation, the status of Salmonella excretion and parity number. Some of the identified taxa could be linked to the reduction of the shedding of Salmonella at the end of gestation. In this study, we showed that the level of Salmonella shedding was variable during gestation with significantly higher shedding at the beginning rather than at the end of gestation. We also observed for the first time a significant change in the microbiota during sow gestation and identified interesting taxa which could be linked to a reduced Salmonella shedding. PMID- 29209286 TI - Differential Signaling and Sugar Exchanges in Response to Avirulent Pathogen- and Symbiont-Derived Molecules in Tobacco Cells. AB - Plants interact with microbes whose ultimate aim is to exploit plant carbohydrates for their reproduction. Plant-microbe interactions (PMIs) are classified according to the nature of their trophic exchanges: while mutualistic microbes trade nutrients with plants, pathogens unilaterally divert carbohydrates. The early responses following microbe recognition and the subsequent control of plant sugar distribution are still poorly understood. To further decipher PMI functionality, we used tobacco cells treated with microbial molecules mimicking pathogenic or mutualistic PMIs, namely cryptogein, a defense elicitor, and chitotetrasaccharide (CO4), which is secreted by mycorrhizal fungi. CO4 was perceived by tobacco cells and triggered widespread transient signaling components such as a sharp cytosolic Ca2+ elevation, NtrbohD-dependent H2O2 production, and MAP kinase activation. These CO4-induced events differed from those induced by cryptogein, i.e., sustained events leading to cell death. Furthermore, cryptogein treatment inhibited glucose and sucrose uptake but not fructose uptake, and promoted the expression of NtSUT and NtSWEET sugar transporters, whereas CO4 had no effect on sugar uptake and only a slight effect on NtSWEET2B expression. Our results suggest that microbial molecules induce different signaling responses that reflect microbial lifestyle and the subsequent outcome of the interaction. PMID- 29209287 TI - ERM Proteins Play Distinct Roles in Cell Invasion by Extracellular Amastigotes of Trypanosoma cruzi. AB - The protozoan parasite Trypanosoma cruzi is the causative agent of Chagas' disease. In mammalian hosts, T. cruzi alternates between trypomastigote and amastigote forms. Additionally, trypomastigotes can differentiate into amastigotes in the extracellular environment generating infective extracellular amastigotes (EAs). Ezrin-radixin-moesin (ERM) are key proteins linking plasma membrane to actin filaments, the major host cell component responsible for EA internalization. Our results revealed that depletion of host ezrin and radixin but not moesin inhibited EAs invasion in HeLa cells. ERM are recruited and colocalize with F-actin at EA invasion sites as shown by confocal microscopy. Invasion assays performed with cells overexpressing ERM showed increased EAs invasion in ezrin and radixin but not moesin overexpressing cells. Finally, time lapse experiments have shown altered actin dynamics leading to delayed EA internalization in ezrin and radixin depleted cells when compared to control or moesin depleted cells. Altogether, these findings show distinct roles of ERM during EAs invasion, possibly regulating F-actin dynamics and plasma membrane interplay. PMID- 29209288 TI - Antimicrobial Effects of Sulfonyl Derivative of 2(5H)-Furanone against Planktonic and Biofilm Associated Methicillin-Resistant and -Susceptible Staphylococcus aureus. AB - The gram-positive opportunistic bacterium Staphylococcus aureus is one of the most common causatives of a variety of diseases including skin and skin structure infection or nosocomial catheter-associated infections. The biofilm formation that is an important virulence factor of this microorganism renders the antibiotic therapy ineffective, because biofilm-embedded bacteria exhibit strongly increased tolerance to antimicrobials. Here, we describe a novel 3 chloro-5(S)-[(1R,2S,5R)-2-isopropyl-5-methylcyclohexyloxy]-4-[4 methylphenylsulfonyl]-2(5H)-furanone (F105), possessing a sulfonyl group and l menthol moiety. Minimal inhibitory and bactericidal concentration values (MIC and MBC) of F105 were 10 and 40 mg/L, respectively, suggesting F105 biocidal properties. F105 exhibits pronounced activity against biofilm-embedded S. aureus and increases the efficacy of aminoglycosides (amikacin, gentamicin, and kanamycin) and benzalkonium chloride with fractional inhibitory concentration index values of 0.33-0.44 and 0.29, respectively, suggesting an alternative external treatment option, e.g., for wound infections. Moreover, low concentrations (0.5-1.3 mg/L) of F105 reduced the MICs of these antimicrobials twofold. By using confocal laser scanning microscopy and CFU counting, we show explicitly that F105 also restores the antimicrobial activity of gentamicin and ampicillin against S. aureus biofilms by several orders of magnitude. Biofilm structures were not destroyed but sterilized, with embedded cells being almost completely killed at twofold MBC. While F105 is quite toxic (CC50/MBC ratio 0.2), our data suggest that the F105 chemotype might be a promising starting point for the development of complex topical agents for combined anti-staphylococcal biofilm-therapies restoring the efficacy of some antibiotics against difficult to treat S. aureus biofilm. PMID- 29209289 TI - Co-existence of Rhizobia and Diverse Non-rhizobial Bacteria in the Rhizosphere and Nodules of Dalbergia odorifera Seedlings Inoculated with Bradyrhizobium elkanii, Rhizobium multihospitium-Like and Burkholderia pyrrocinia-Like Strains. AB - Rhizobia induce root nodules and fix atmospheric N2 for most legume species in exchange for carbon. However, the diverse endophytic non-rhizobial bacteria in legume nodules that co-exist with rhizobia are often ignored because they are difficult to cultivate using routine cultivation approaches. To enhance our understanding of the incidence and diversity of legume-bacteria associations, a high-throughput sequencing analysis of bacterial 16S rRNA genes was used to examine the bacterial community in the rhizospheres and root nodules of Dalbergia odorifera seedlings that were uninoculated or inoculated with Bradyrhizobium elkanii H255, Rhizobium multihospitium-like HT221, or Burkholderia pyrrocinia like H022238, in two growth media (nitrogen [N]-supplied soil or N-omitted potting mix). Seedlings inoculated with Bradyrhizobium had significantly more nodules than seedlings in the other inoculation conditions, regardless of growth media. Using the 15N natural abundance method, it was shown that the inoculated plants had significantly higher N2 fixation efficiency (48-57%) and specific nodule activity [269-313 MUg N mg-1 of dry weight (dwt) nodule] compared to the uninoculated plants (203 MUg N mg-1 dwt nodule). The 16S rRNA gene analysis showed that there was generally a higher bacterial diversity in the rhizosphere than in the nodules in the corresponding condition. Both rhizobial inoculation and media status significantly altered the bacterial communities in the rhizospheres and nodules (P < 0.05), with the exception of the inoculated soil rhizospheres. Regarding non-rhizobial bacteria, three genera, i.e., Lactococcus, Bacillus, and Pseudomonas, were consistently enriched in the rhizosphere and Bradyrhizobium, Chloroplast norank (which belongs to Cyanobacteria), and Lactococcus were commonly found in the nodules. In contrast, common rhizobial genera (including Rhizobium, Mesorhizobium, and Burkholderia) were only present in the nodules at low relative abundances (0.01-3.41%). Regarding non-rhizobial bacteria, 32 genera were found in the nodules, with non-rhizobial bacteria being predominant in the N omitted potting mix (with a relative abundance of 56-87%). This study suggests that legume nodules are inhabited by a high diversity of non rhizobial bacteria, which may play a vital role in nodulation and N2 fixation in the host plants. PMID- 29209290 TI - Enterotoxigenicity and Antimicrobial Resistance of Staphylococcus aureus Isolated from Retail Food in China. AB - Staphylococcus aureus is one of the most common causes of zoonotic agent in the world, which are attributable to the contamination of food with enterotoxins. In this study, a total of 1,150 S. aureus isolates were cultured from 27,000 retail foods items from 203 cities of 24 provinces in China in 2015 and were test for antimicrobial susceptibility. Additionally, the role of the genes responsible for the staphylococcal enterotoxins (SEA to SEE), methicillin resistance (mecA) and the toxigenic capabilities were also assessed. The results showed that 4.3% retail foods were contaminated with S. aureus, and 7.9% retail foods isolates were mecA positive. Some 97.6% of S. aureus isolates were resistant to at least one antimicrobial compound, and 57.5% of these were multi drug resistant (MDR). Resistance to penicillin (83.7%, 963/1,150), was common, followed by linezolid (67.7%, 778/1,150) and erythromycin (52.1%, 599/1,150). The isolates cultured from raw meats showed high levels of resistant to tetracycline (42.8%), ciprofloxacin (17.4%), and chloramphenicol (12.0%) and expressed a MDR phenotype (62.4%). A total of 29.7% S. aureus isolates harbored the classical SEs genes (sea, seb, sec, and sed). The sea and seb genes were the most frequent SEs genes detected. Of note, 22% of the SEs genes positive S. aureus harbored two or three SEs genes, and 16 isolates were confirmed with the capacity to simultaneously produce two or three enterotoxin types. Moreover, nearly 50% of the MRSA isolates were positive for at least one SE gene in this study. Therefore, it is important to monitor the antimicrobial susceptibility and enterotoxigenicity of MDR S. aureus and MRSA in the food chain and to use these data to develop food safety measures, designed to reduce the contamination and transmission of this bacterium. PMID- 29209291 TI - Essential APSES Transcription Factors for Mycotoxin Synthesis, Fungal Development, and Pathogenicity in Aspergillus flavus. AB - Aflatoxins are a potent carcinogenic mycotoxin and has become a research model of fungal secondary metabolism (SM). Via systematically investigating the APSES transcription factors (TFs), two APSES proteins were identified: AfRafA and AfStuA. These play central roles in the synthesis of mycotoxins including aflatoxin and cyclopiazonic acid, and fungal development and are consequently central to the pathogenicity of the aflatoxigenic A. flavus. Loss of AfRafA not only dramatically suppressed aflatoxin cluster expression, subsequently reducing toxin synthesis both in vitro and in vivo, but also impaired conidia and sclerotia development. More importantly, aflatoxin biosynthesis as well as conidia and sclerotia development were fully blocked in DeltaAfStuA. In addition, our results supported that AfStuA regulated the aflatoxin synthesis in an AflR dependent manner. Intriguingly, it was revealed that AfRafA and AfStuA exert an antagonistic role in the regulation of biosynthesis of cyclopiazonic acid. In summary, two global transcriptional regulators for fungal development, mycotoxin production, and seed pathogenicity of the A. flavus system have been established. The two novel regulators of mycotoxins are promising targets for future plant breeding and for the development of fungicides. PMID- 29209292 TI - Characterization of Colistin-Resistant Escherichia coli Isolated from Diseased Pigs in France. AB - We studied a collection of 79 colistin-resistant Escherichia coli isolates isolated from diseased pigs in France between 2009 and 2013. We determined a number of phenotypic and genetic characters using broth microdilution to characterize their antimicrobial susceptibility. We performed pulse field gel electrophoresis (PFGE) to assess their genetic diversity and assign them to phylogroups. High-throughput real-time PCR micro-array was used to screen for a selection of genetic markers of virulence, and PCR and sequencing of the main recognized resistance genes allowed us to investigate the mechanisms of colistin resistance. Results showed that isolates belonged to several phylogroups and most had a unique PFGE profile. More than 50% of the isolates were also resistant to sulfonamides, trimethoprim, tetracycline, ampicillin or chloramphenicol. The mcr 1 gene was detected in 70 out of 79 isolates and was transferred by conjugation in 33 of them, sometimes together with resistance to sulfonamides, trimethoprim, tetracycline, ampicillin, chloramphenicol, cefotaxime, or gentamicin. Mutations in the amino-acid sequences of proteins MgrB, PhoP, PhoQ, PmrB, but not PmrA, were detected in isolates with or without the mcr-1 gene. More than one-third of the isolates harbored the F18, F4, astA, hlyA, estI, estII, elt, stx2e, iha, orfA, orfB, paa, terE, ecs1763, or ureD virulence markers. In conclusion, although most isolates had a unique PFGE profile, a few particular combinations of phylogenetic groups, virulence genes and mutations in the sequenced genes involved in colistin resistance were identified on a number of occasions, suggesting the persistence of certain isolates over several years. PMID- 29209293 TI - Dextransucrase Expression Is Concomitant with that of Replication and Maintenance Functions of the pMN1 Plasmid in Lactobacillus sakei MN1. AB - The exopolysaccharide synthesized by Lactobacillus sakei MN1 is a dextran with antiviral and immunomodulatory properties of potential utility in aquaculture. In this work we have investigated the genetic basis of dextran production by this bacterium. Southern blot hybridization experiments demonstrated the plasmidic location of the dsrLS gene, which encodes the dextransucrase involved in dextran synthesis. DNA sequencing of the 11,126 kbp plasmid (pMN1) revealed that it belongs to a family which replicates by the theta mechanism, whose prototype is pUCL287. The plasmid comprises the origin of replication, repA, repB, and dsrLS genes, as well as seven open reading frames of uncharacterized function. Lb. sakei MN1 produces dextran when sucrose, but not glucose, is present in the growth medium. Therefore, plasmid copy number and stability, as well as dsrLS expression, were investigated in cultures grown in the presence of either sucrose or glucose. The results revealed that pMN1 is a stable low-copy-number plasmid in both conditions. Gene expression studies showed that dsrLS is constitutively expressed, irrespective of the carbon source present in the medium. Moreover, dsrLS is expressed from a monocistronic transcript as well as from a polycistronic repA-repB-orf1-dsrLS mRNA. To our knowledge, this is the first report of a plasmid-borne dextransucrase-encoding gene, as well as the first time that co-transcription of genes involved in plasmid maintenance and replication with a gene encoding an enzyme has been established. PMID- 29209294 TI - Evolutionarily Conserved nodE, nodO, T1SS, and Hydrogenase System in Rhizobia of Astragalus membranaceus and Caragana intermedia. AB - Mesorhizobium species are the main microsymbionts associated with the medicinal or sand-fixation plants Astragalus membranaceus and Caragana intermedia (AC) in temperate regions of China, while all the Mesorhizobium strains isolated from each of these plants could nodulate both of them. However, Rhizobium yanglingense strain CCBAU01603 could nodulate AC plants and it's a high efficiency symbiotic and competitive strain with Caragana. Therefore, the common features shared by these symbiotic rhizobia in genera of Mesorhizobium and Rhizobium still remained undiscovered. In order to study the genomic background influencing the host preference of these AC symbiotic strains, the whole genomes of two (M. silamurunense CCBAU01550, M. silamurunense CCBAU45272) and five representative strains (M. septentrionale CCBAU01583, M. amorphae CCBAU01570, M. caraganae CCBAU01502, M. temperatum CCBAU01399, and R. yanglingense CCBAU01603) originally isolated from AC plants were sequenced, respectively. As results, type III secretion systems (T3SS) of AC rhizobia evolved in an irregular pattern, while an evolutionarily specific region including nodE, nodO, T1SS, and a hydrogenase system was detected to be conserved in all these AC rhizobia. Moreover, nodO was verified to be prevalently distributed in other AC rhizobia and was presumed as a factor affecting the nodule formation process. In conclusion, this research interpreted the multifactorial features of the AC rhizobia that may be associated with their host specificity at cross-nodulation group, including nodE, nodZ, T1SS as the possible main determinants; and nodO, hydrogenase system, and T3SS as factors regulating the bacteroid formation or nitrogen fixation efficiency. PMID- 29209295 TI - Extractive Fermentation of Lactic Acid in Lactic Acid Bacteria Cultivation: A Review. AB - Lactic acid bacteria are industrially important microorganisms recognized for their fermentative ability mostly in their probiotic benefits as well as lactic acid production for various applications. Nevertheless, lactic acid fermentation often suffers end-product inhibition which decreases the cell growth rate. The inhibition of lactic acid is due to the solubility of the undissociated lactic acid within the cytoplasmic membrane and insolubility of dissociated lactate, which causes acidification of cytoplasm and failure of proton motive forces. This phenomenon influences the transmembrane pH gradient and decreases the amount of energy available for cell growth. In general, the restriction imposed by lactic acid on its fermentation can be avoided by extractive fermentation techniques, which can also be exploited for product recovery. PMID- 29209296 TI - Illumina-Based Analysis of Endophytic and Rhizosphere Bacterial Diversity of the Coastal Halophyte Messerschmidia sibirica. AB - Halophytes play important roles in coastal ecosystems. However, few reports have described bacterial communities related to halophytes, and the distribution patterns of these bacteria in different plant tissues have been rarely compared. This paper mainly studied the diversity and community structure of endophytic and rhizosphere (Rh) bacteria related to the halophyte Messerschmidia sibirica, a dominant species in the coastal zone of Shandong Peninsula, China. We collected leaf (Lf), stem (Sm), root (Rt), Rh, and bulk (Bl) control soil samples, and sequenced the V5-V7 region of the bacterial 16S rRNA gene using the Illumina HiSeq platform to identify bacterial communities originating from different plant habitats. We found that the bacterial richness and diversity in Rh were significantly higher than those in the leaves, Sm, and Rt, but lower than those of the Bl control soil. In total, 37 phyla and 438 genera were identified. Microbial-diversity analysis showed that Proteobacteria and Actinobacteria were the dominant phyla and that Pseudomonas, Bacillus, Sphingomonas, Streptomyces, Microbacterium, Rhizobium, and Nocardioides were the dominant genera. However, there were clear differences in community diversity and structure among the samples. Endophytic bacteria community in Lf, Sm, and Rt shared more similarity than those in Rh and Bl control soil. The numbers of operational taxonomic units exclusive to the Lf, stem, Rt, Rh, and Bl control soil samples were 51, 43, 122, 139, and 922, respectively, implying habitat-specific patterns. Principal coordinate analysis demonstrated differences were apparent in the bacterial communities associated with habitats. On the whole, M. sibirica affected bacterial diversity and structured the bacterial community. This study provides insight into the complex microbial compositions of coastal halophytes. PMID- 29209297 TI - Cpk2, a Catalytic Subunit of Cyclic AMP-PKA, Regulates Growth and Pathogenesis in Rice Blast. AB - The cAMP-Protein Kinase A signaling, anchored on CpkA, is necessary for appressorium development and host penetration, but indispensable for infectious growth in Magnaporthe oryzae. In this study, we identified and characterized the gene encoding the second catalytic subunit, CPK2, whose expression was found to be lower compared to CPKA at various stages of pathogenic growth in M. oryzae. Deletion of CPK2 caused no alterations in vegetative growth, conidiation, appressorium formation, or pathogenicity. Surprisingly, the cpkADeltacpk2Delta double deletion strain displayed significant reduction in growth rate and conidiation compared to the single deletion mutants. Interestingly, loss of CPKA and CPK2 resulted in morphogenetic defects in germ tubes (with curled/wavy and serpentine growth pattern) on hydrophobic surfaces, and a complete failure to produce appressoria therein, thus suggesting an important role for CPK2-mediated cAMP-PKA in surface sensing and response pathway. CPKA promoter-driven expression of CPK2 partially suppressed the defects in host penetration and pathogenicity in the cpkADelta. Such ectopic CPK2 expressing strain successfully penetrated the rice leaves, but was unable to produce proper secondary invasive hyphae, thus underscoring the importance of CpkA in growth and differentiation in planta. The Cpk2-GFP localized to the nuclei and cytoplasmic vesicles in conidia and germ tubes. The Cpk2-GFP colocalized with CpkA-mCherry on vesicles in the cytosol, but such overlap was not evident in the nuclei. Our studies indicate that CpkA and Cpk2 share overlapping functions, but also play distinct roles during pathogenesis-associated signaling and morphogenesis in the rice blast fungus. PMID- 29209298 TI - The Gut Entomotype of Red Palm Weevil Rhynchophorus ferrugineus Olivier (Coleoptera: Dryophthoridae) and Their Effect on Host Nutrition Metabolism. AB - For invasive insects, the potential roles of gut microbiota in exploiting new food resources and spreading remain elusive. Red palm weevil (RPW), Rhynchophorus ferrugineus Olivier, is an invasive destructive pest which feeds on nutrient-poor tender tissues and has caused extensive mortality of palm trees. The microbes associated with insects can improve their nutrition assimilation. However, experimental evidence on the interactions between RPW and its gut microbiota is still absent. The aim of this study is to determine the dynamics changes and the bacterial entomotype in the RPW gut and its potential physiological roles. Here, we confirmed RPW harbors a complex gut microbiota mainly constituted by bacteria in the families Enterobacteriaceae, Lactobacillaceae, Entomoplasmataceae, and Streptococcaceae. RPW gut microbiota exhibited a highly stable microbial community with low variance in abundance across different life stages and host plants. Furthermore, the abundance of Enterobacteriaceae was markedly increased but that of Acetobacteraceae was reduced significantly after administration of antibiotics. Although no significant effects were found on the body weight gain of RPW larvae, these alterations dramatically decreased the concentration of hemolymph protein and glucose while that of hemolymph triglyceride increased. In the gut of wild-caught RPW larvae, seven bacterial species in the genera Klebsiella, Serratia, Enterobacter, and Citrobacter were shown to have an ability to degrade cellulose. Together, RPW accommodate a stable gut microbiota which can degrade plant polysaccharides and confer their host optimal adaptation to its environment by modulating its metabolism. PMID- 29209299 TI - Natural Antisense Transcripts at the Interface between Host Genome and Mobile Genetic Elements. AB - Non-coding RNAs are involved in epigenetic processes, playing a role in the regulation of gene expression at the transcriptional and post-transcriptional levels. A particular group of ncRNA are natural antisense transcripts (NATs); these are transcribed in the opposite direction to protein coding transcripts and are widespread in eukaryotes. Their abundance, evidence of phylogenetic conservation and an increasing number of well-characterized examples of antisense mediated gene regulation are indicative of essential biological roles of NATs. There is evidence to suggest that they interfere with their corresponding sense transcript to elicit concordant and discordant regulation. The main mechanisms involved include transcriptional interference as well as dsRNA formation. Sense antisense hybrid formation can trigger RNA interference, RNA editing or protein kinase R. However, the exact molecular mechanisms elicited by NATs in the context of these regulatory roles are currently poorly understood. Several examples confirm that ectopic expression of antisense transcripts trigger epigenetic silencing of the related sense transcript. Genomic approaches suggest that the antisense transcriptome carries a broader biological significance which goes beyond the physiological regulation of the directly related sense transcripts. Because NATs show evidence of conservation we speculate that they played a role in evolution, with early eukaryotes gaining selective advantage through the regulatory effects. With the surge of genome and transcriptome sequencing projects, there is promise of a more comprehensive understanding of the biological role of NATs and the regulatory mechanisms involved. PMID- 29209300 TI - Molecular Characteristics of ST1193 Clone among Phylogenetic Group B2 Non-ST131 Fluoroquinolone-Resistant Escherichia coli. AB - Objectives: Sequence type 1193 is emerging as a new, virulent and resistant lineage among fluoroquinolone resistant Escherichia coli (FQrE. coli). In this study, we investigated the prevalence and molecular characteristics of this clone isolated from a Chinese university hospital. Methods: 73 phylogenetic group B2 FQr-non-ST131 isolates were collected from August 2014 and August 2015 at a Chinese university hospital. Isolates were screened for ST1193 by multilocus sequence typing. E. coli ST1193 then underwent lactose fermentation determination, susceptibility testing, virulence genotyping, PCR-based O typing, pulsed-field gel electrophoresis (PFGE) and FQr mechanism analysis. Results: Of 73 B2-FQr-non ST131 E. coli isolates, 69.9% (n = 51) were ST1193. 90.2% (46/51) of ST1193 isolates were O75 serotype and 96.1% (49/51) of the ST1193 isolates were lactose non-fermenters. 35 clusters were identified by PFGE. ST1193 isolates exhibited a set of 3 conserved mutations defining quinolone-resistance determining region substitutions (gyrA S83L, D87N, and parC S80I). The most frequent VF genes detected in these E. coli ST1193 isolates were fyuA (yersiniabactin, 96.1%), fimH (type 1 fimbriae, 94.1%), iutA (iron uptake gene, 90.2%), kpsMT II (group II capsule, 90.2%), kpsK1 (K1 capsule, 86.3%) and PAI. Conclusion: ST1193 lineage accounts for the majority of group B2-FQr-non-ST131 E. coli clinical isolates. Most of the ST1193 are serotype O75 and lactose non fermenting. Strategic surveillance and control schemes are needed in the future for this newly emerging clone of E. coli: B2-FQr-ST1193. PMID- 29209301 TI - The Antifungal Plant Defensin HsAFP1 Is a Phosphatidic Acid-Interacting Peptide Inducing Membrane Permeabilization. AB - HsAFP1, a plant defensin isolated from coral bells (Heuchera sanguinea), is characterized by broad-spectrum antifungal activity. Previous studies indicated that HsAFP1 binds to specific fungal membrane components, which had hitherto not been identified, and induces mitochondrial dysfunction and cell membrane permeabilization. In this study, we show that HsAFP1 reversibly interacts with the membrane phospholipid phosphatidic acid (PA), which is a precursor for the biosynthesis of other phospholipids, and to a lesser extent with various phosphatidyl inositol phosphates (PtdInsP's). Moreover, via reverse ELISA assays we identified two basic amino acids in HsAFP1, namely histidine at position 32 and arginine at position 52, as well as the phosphate group in PA as important features enabling this interaction. Using a HsAFP1 variant, lacking both amino acids (HsAFP1[H32A][R52A]), we showed that, as compared to the native peptide, the ability of this variant to bind to PA and PtdInsP's is reduced (>=74%) and the antifungal activity of the variant is reduced (>=2-fold), highlighting the link between PA/PtdInsP binding and antifungal activity. Using fluorescently labelled HsAFP1 in confocal microscopy and flow cytometry assays, we showed that HsAFP1 accumulates at the cell surface of yeast cells with intact membranes, most notably at the buds and septa. The resulting HsAFP1-induced membrane permeabilization is likely to occur after HsAFP1's internalization. These data provide novel mechanistic insights in the mode of action of the HsAFP1 plant defensin. PMID- 29209302 TI - Influence of Stress and Antibiotic Resistance on Cell-Length Distribution in Mycobacterium tuberculosis Clinical Isolates. AB - Mycobacterial cellular variations in growth and division increase heterogeneity in cell length, possibly contributing to cell-to-cell variation in host and antibiotic stress tolerance. This may be one of the factors influencing Mycobacterium tuberculosis persistence to antibiotics. Tuberculosis (TB) is a major public health problem in developing countries, antibiotic persistence, and emergence of antibiotic resistance further complicates this problem. We wanted to investigate the factors influencing cell-length distribution in clinical M. tuberculosis strains. In parallel we examined M. tuberculosis cell-length distribution in a large set of clinical strains (n = 158) from ex vivo sputum samples, in vitro macrophage models, and in vitro cultures. Our aim was to understand the influence of clinically relevant factors such as host stresses, M. tuberculosis lineages, antibiotic resistance, antibiotic concentrations, and disease severity on the cell size distribution in clinical M. tuberculosis strains. Increased cell size and cell-to-cell variation in cell length were associated with bacteria in sputum and infected macrophages rather than liquid culture. Multidrug-resistant (MDR) strains displayed increased cell length heterogeneity compared to sensitive strains in infected macrophages and also during growth under rifampicin (RIF) treatment. Importantly, increased cell length was also associated with pulmonary TB disease severity. Supporting these findings, individual host stresses, such as oxidative stress and iron deficiency, increased cell-length heterogeneity of M. tuberculosis strains. In addition we also observed synergism between host stress and RIF treatment in increasing cell length in MDR-TB strains. This study has identified some clinical factors contributing to cell-length heterogeneity in clinical M. tuberculosis strains. The role of these cellular adaptations to host and antibiotic tolerance needs further investigation. PMID- 29209303 TI - pH Stress-Induced Cooperation between Rhodococcus ruber YYL and Bacillus cereus MLY1 in Biodegradation of Tetrahydrofuran. AB - Microbial consortia consisting of cooperational strains exhibit biodegradation performance superior to that of single microbial strains and improved remediation efficiency by relieving the environmental stress. Tetrahydrofuran (THF), a universal solvent widely used in chemical and pharmaceutical synthesis, significantly affects the environment. As a refractory pollutant, THF can be degraded by some microbial strains under suitable conditions. There are often a variety of stresses, especially pH stress, that inhibit the THF-degradation efficiency of microbial consortia. Therefore, it is necessary to study the molecular mechanisms of microbial cooperational degradation of THF. In this study, under conditions of low pH (initial pH = 7.0) stress, a synergistic promotion of the THF degradation capability of the strain Rhodococcus ruber YYL was found in the presence of a non-THF degrading strain Bacillus cereus MLY1. Metatranscriptome analysis revealed that the low pH stress induced the strain YYL to up-regulate the genes involved in anti-oxidation, mutation, steroid and bile acid metabolism, and translation, while simultaneously down-regulating the genes involved in ATP production. In the co-culture system, strain MLY1 provides fatty acids, ATP, and amino acids for strain YYL in response to low pH stress during THF degradation. In return, YYL shares the metabolic intermediates of THF with MLY1 as carbon sources. This study provides the preliminary mechanism to understand how microbial consortia improve the degradation efficiency of refractory furan pollutants under environmental stress conditions. PMID- 29209304 TI - Revisiting Antibiotic Resistance Spreading in Wastewater Treatment Plants - Bacteriophages as a Much Neglected Potential Transmission Vehicle. AB - The spread of antibiotic resistance is currently a major threat to health that humanity is facing today. Novel multidrug and pandrug resistant bacteria are reported on a yearly basis, while the development of novel antibiotics is lacking. Focus to limit the spread of antibiotic resistance by reducing the usage of antibiotics in health care, veterinary applications, and meat production, have been implemented, limiting the exposure of pathogens to antibiotics, thus lowering the selection of resistant strains. Despite these attempts, the global resistance has increased significantly. A recent area of focus has been to limit the spread of resistance through wastewater treatment plants (WWTPs), serving as huge reservoirs of microbes and resistance genes. While being able to quite efficiently reduce the presence of resistant bacteria entering any of the final products of WWTPs (e.g., effluent water and sludge), the presence of resistance genes in other formats (mobile genetic elements, bacteriophages) has mainly been ignored. Recent data stress the importance of transduction in WWTPs as a mediator of resistance spread. Here we examine the current literature in the role of WWTPs as reservoirs and hotspots of antibiotic resistance with a specific focus on bacteriophages as mediators of genetic exchange. PMID- 29209305 TI - Unveiling and Characterizing Early Bilateral Interactions between Biofilm and the Mouse Innate Immune System. AB - A very substantial progress has been made in our understanding of infectious diseases caused by invasive bacteria. Under their planktonic forms, bacteria transiently reside in the otherwise sterile mammal body tissues, as the physiological inflammation insures both their clearance and repair of any tissue damage. Yet, the bacteria prone to experience planktonic to biofilm developmental transition still need to be studied. Of note, sessile bacteria not only persist but also concur preventing the effectors and regulators of the physiological inflammation to operate. Thus, it is urgent to design biologically sound experimental approaches aimed to extract, at the earliest stage, immune signatures of mono-bacteria planktonic to biofilm developmental transition in vivo and ex vivo. Indeed, the transition is often the first event to which succeeds the "chronicization" process whereby classical bacteria-targeting therapies are no more efficacious. An in vivo model of micro-injection of Staphylococcus aureus planktonic or biofilm cells in the ear pinna dermis of laboratory transgenic mice with fluorescent immune cells is proposed. It allows visualizing, in real time, the range of the early interactions between the S. aureus and myeloid cell subsets- the resident macrophages and dendritic cells, the recruited neutrophil granulocytes/polymorphonuclear neutrophils, monocytes otherwise known to differentiate as macrophages or dendritic cells. One main objective is to extract contrasting immune signatures of the modulation of the physiological inflammation with respect to the two bacterial lifestyles. PMID- 29209306 TI - CTX-M-15-Producing E. coli Isolates from Food Products in Germany Are Mainly Associated with an IncF-Type Plasmid and Belong to Two Predominant Clonal E. coli Lineages. AB - Extended-spectrum beta-lactamases (ESBL) mediating resistance to 3rd generation cephalosporins are a major public health issue. As food may be a vehicle in the spread of ESLB-producing bacteria, a study on the occurrence of cephalosporin resistantu Escherichia coli in food was initiated. A total of 404 ESBL-producing isolates were obtained from animal-derived food samples (e.g., poultry products, pork, beef and raw milk) between 2011 and 2013. As CTX-M-15 is the most abundant enzyme in ESBL-producing E. coli causing human infections, this study focusses on E. coli isolates from food samples harboring the blaCTX-M-15 gene. The blaCTX-M 15 gene was detected in 5.2% (n = 21) of all isolates. Molecular analyses revealed a phylogenetic group A ST167 clone that was repeatedly isolated from raw milk and beef samples over a period of 6 months. The analyses indicate that spread of CTX-M-15-producing E. coli in German food samples were associated with a multireplicon IncF (FIA FIB FII) plasmid and additional antimicrobial resistance genes such as aac(6)-Ib-cr, blaOXA-1, catB3, different tet-variants as well as a class 1 integron with an aadA5/dfrA17 gene cassette. In addition, four phylogenetic group A ST410 isolates were detected. Three of them carried a chromosomal copy of the blaCTX-M-15 gene and a single isolate with the gene on a 90 kb IncF plasmid. The blaCTX-M-15 gene was always associated with the ISEcp1 element. In conclusion, CTX-M-15-producing E. coli were detected in German food samples. Among isolates of different matrices, two prominent clonal lineages, namely A-ST167 and A-ST410, were identified. These lineages may be important for the foodborne dissemination of CTX-M-15-producing E. coli in Germany. Interestingly, these clonal lineages were reported to be widely distributed and especially prevalent in isolates from humans and livestock. Transmission of CTX-M 15-harboring isolates from food-producing animals to food appears probable, as isolates obtained from livestock and food samples within the same time period exhibit comparable characteristics as compared to isolates detected from human. However, the routes and direction of transmission need further investigation. PMID- 29209307 TI - Editorial: Cross Talk between Lymph Node Lymphatic Endothelial Cells and T-Cells during Inflammation and Cancer. PMID- 29209308 TI - Program Cell Death Receptor-1-Mediated Invariant Natural Killer T-Cell Control of Peritoneal Macrophage Modulates Survival in Neonatal Sepsis. AB - We have shown that invariant natural killer T (iNKT) cells mediate sepsis-induced end-organ changes and immune responses, including macrophage bacterial phagocytosis, a finding regulated by the check point protein program cell death receptor-1 (PD-1). Furthermore, PD-1 mediates mortality in both adult and neonatal murine sepsis as well as in surgical patients. Given our previous findings, we hypothesize that iNKT cells will also modulate neonatal sepsis survival, and that this effect is regulated in part through PD-1. We utilized a polymicrobial intra-peritoneal cecal slurry (CS) sepsis model in wild type (WT), iNKT-/- or PD-1-/- 5-7 day old neonatal pups. Typically, tissues were harvested at 24 h for various bioassays/histology and, in some cases, survival was assessed for up to 7 days. Interestingly, similar to what we recently reported for PD-1-/- mice following CS, iNKT-/--deficient animals exhibit a markedly improved survival vs. WT. Histologically, minor alterations in liver architectural, which were noted in WT pups, were attenuated in both iNKT-/- and PD-1-/- pups. Following CS, PECAM-1 expression was unchanged in the WT pups but increased in both iNKT-/- and PD-1-/- pups. In WT, following CS the emergence of a Ly6Clow subpopulation was noted among the influxed peritoneal macrophage population. Conversely, within iNKT-/- pups, there were fewer peritoneal macrophages and a greater percentage of Ly6Chigh macrophages. We show not only a key role for iNKT cells in affecting end organ damage as well as alterations in phagocytes phenotypes in neonatal sepsis but that this iNKT cell mediated effect is driven by the central checkpoint protein PD-1. PMID- 29209309 TI - New Directions for Natural Killer T Cells in the Immunotherapy of Cancer. AB - Natural killer T (NKT) cells have been placed at the interface between innate and adaptive immunity by a long series of experiments that convincingly showed that beyond cytokine secretion and NK cell recruitment, NKT cells were coordinating dendritic cell and B cell maturation through direct membrane contacts and initiate productive responses. As such, NKT cells are the cellular adjuvant of many immune reactions and have functions that go much beyond what their name encapsulates. In addition, the initial discovery of the ligands of NKT cells is deeply linked to cancer biology and therapy. However, for a host of reasons, animal models in which agonists of NKT cells were used did not translate well to human cancers. A systematic reassessment of NKT cells role in tumorigenesis, especially spontaneous one, is now accessible using single cell analysis technologies both in mouse and man, and should be taken advantage of. Similarly, the migration, localization, phenotype of NKT cells following induced expansion after injection of an agonist can be examined at the single cell level. This technological revolution will help evaluate where and how NKT cells can be used in cancer. PMID- 29209310 TI - Alum Activates the Bovine NLRP3 Inflammasome. AB - There has been a move away from vaccines composed of whole or inactivated antigens toward subunit-based vaccines, which although safe, provide less immunological protection. As a result, the use of adjuvants to enhance and direct adaptive immune responses has become the focus of much targeted bovine vaccine research. However, the mechanisms by which adjuvants work to enhance immunological protection in many cases remains unclear, although this knowledge is critical to the rational design of effective next generation vaccines. This study aimed to investigate the mechanisms by which alum, a commonly used adjuvant in bovine vaccines, enhances IL-1beta secretion in bovine peripheral blood mononuclear cells (PBMCs). Unlike the case with human PBMCs, alum promoted IL 1beta secretion in a subset of bovine PBMCs without priming with a toll-like receptor agonist. This suggests that PBMCs from some cattle are primed to produce this potent inflammatory cytokine and western blotting confirmed the presence of preexisting pro-IL-1beta in PBMCs from a subset of 8-month-old cattle. To address the mechanism underlying alum-induced IL-1beta secretion, specific inhibitors identified that alum mediates lysosomal disruption which subsequently activates the assembly of an NLRP3, ASC, caspase-1, and potentially caspase-8 containing complex. These components form an inflammasome, which mediates alum-induced IL 1beta secretion in bovine PBMCs. Given the demonstrated role of the NLRP3 inflammasome in regulating adaptive immunity in murine systems, these results will inform further targeted research into the potential of inflammasome activation for rational vaccine design in cattle. PMID- 29209312 TI - Dual Molecular Mechanisms Govern Escape at Immunodominant HLA A2-Restricted HIV Epitope. AB - Serial accumulation of mutations to fixation in the SLYNTVATL (SL9) immunodominant, HIV p17 Gag-derived, HLA A2-restricted cytotoxic T lymphocyte epitope produce the SLFNTIAVL triple mutant "ultimate" escape variant. These mutations in solvent-exposed residues are believed to interfere with TCR recognition, although confirmation has awaited structural verification. Here, we solved a TCR co-complex structure with SL9 and the triple escape mutant to determine the mechanism of immune escape in this eminent system. We show that, in contrast to prevailing hypotheses, the main TCR contact residue is 4N and the dominant mechanism of escape is not via lack of TCR engagement. Instead, mutation of solvent-exposed residues in the peptide destabilise the peptide-HLA and reduce peptide density at the cell surface. These results highlight the extraordinary lengths that HIV employs to evade detection by high-affinity TCRs with a broad peptide-binding footprint and necessitate re-evaluation of this exemplar model of HIV TCR escape. PMID- 29209311 TI - Codevelopment of Microbiota and Innate Immunity and the Risk for Group B Streptococcal Disease. AB - The pathogenesis of neonatal late-onset sepsis (LOD), which manifests between the third day and the third month of life, remains poorly understood. Group B Streptococcus (GBS) is the most important cause of LOD in infants without underlying diseases or prematurity and the third most frequent cause of meningitis in the Western world. On the other hand, GBS is a common intestinal colonizer in infants. Accordingly, despite its adaption to the human lower gastrointestinal tract, GBS has retained its potential virulence and its transition from a commensal to a dangerous pathogen is unpredictable in the individual. Several cellular innate immune mechanisms, in particular Toll-like receptors, the inflammasome and the cGAS pathway, are engaged by GBS effectors like nucleic acids. These are likely to impact on the GBS-specific host resistance. Given the long evolution of streptococci as a normal constituent of the human microbiota, the emergence of GBS as the dominant neonatal sepsis cause just about 50 years ago is remarkable. It appears that intensive usage of tetracycline starting in the 1940s has been a selection advantage for the currently dominant GBS clones with superior adhesive and invasive properties. The historical replacement of Group A by Group B streptococci as a leading neonatal pathogen and the higher frequency of other beta-hemolytic streptococci in areas with low GBS prevalence suggests the existence of a confined streptococcal niche, where locally competing streptococcal species are subject to environmental and immunological selection pressure. Thus, it seems pivotal to resolve neonatal innate immunity at mucous surfaces and its impact on microbiome composition and quality, i.e., genetic heterogeneity and metabolism, at the microanatomical level. Then, designer pro- and prebiotics, such as attenuated strains of GBS, and oligonucleotide priming of mucosal immunity may unfold their potential and facilitate adaptation of potentially hazardous streptococci as part of a beneficial local microbiome, which is stabilized by mucocutaneous innate immunity. PMID- 29209314 TI - Probiotic Strain Lactobacillus casei BL23 Prevents Colitis-Associated Colorectal Cancer. AB - The gut microbiota plays a major role in intestinal health, and an imbalance in its composition can lead to chronic gut inflammation and a predisposition to developing colorectal cancer (CRC). Currently, the use of probiotic bacteria represents an emerging alternative to treat and prevent cancer. Moreover, consumption of these beneficial bacteria may also favorably modulate the composition of the gut microbiota, which has been described in several studies to play an important role in CRC carcinogenesis. In this context, the aim of this study was to assess the protective effect of oral treatment with Lactobacillus casei BL23, a probiotic strain well known for its anti-inflammatory and anticancer properties. First, CRC was induced in C57BL6 mice by a single intraperitoneal injection with azoxymethane (8 mg/kg), followed by four courses of dextran sodium sulfate (2.5%) in drinking water that were separated by an adjustable recovery period. At the time of sacrifice (day 46), tumor incidence, histological scores, and epithelial proliferation were determined in colon samples. Our results show that L. casei BL23 significantly protected mice against CRC development; specifically, L. casei BL23 treatment reduced histological scores and proliferative index values. In addition, our analysis revealed that L. casei BL23 had an immunomodulatory effect, mediated through the downregulation of the IL-22 cytokine, and an antiproliferative effect, mediated through the upregulation of caspase-7, caspase-9, and Bik. Finally, L. casei BL23 treatment tended to counterbalance CRC-induced dysbiosis in mice, as demonstrated by an analysis of fecal microbiota. Altogether our results demonstrate the high potential of L. casei BL23 for the development of new, probiotic-based strategies to fight CRC. PMID- 29209313 TI - Unconventional Pro-inflammatory CD4+ T Cell Response in B Cell-Deficient Mice Infected with Trypanosoma cruzi. AB - Chagas disease, caused by the parasite Trypanosoma cruzi, is endemic in Latin America but has become a global public health concern by migration of infected people. It has been reported that parasite persistence as well as the intensity of the inflammatory immune response are determinants of the clinical manifestations of the disease. Even though inflammation is indispensable for host defense, when deregulated, it can contribute to tissue injury and organ dysfunction. Here, we report the importance of B cells in conditioning T cell response in T. cruzi infection. Mice deficient in mature B cells (muMT mice) infected with T. cruzi exhibited an increase in plasma TNF concentration, TNF producing CD4+ T cells, and mortality. The increase in TNF-producing CD4+ T cells was accompanied by a reduction in IFNgamma+CD4+ T cells and a decrease of the frequency of regulatory Foxp3+, IL-10+, and IL17+CD4+ T cells populations. The CD4+ T cell population activated by T. cruzi infection, in absence of mature B cells, had a high frequency of Ly6C+ cells and showed a lower expression of inhibitory molecules such as CTLA-4, PD-1, and LAG3. CD4+ T cells from infected muMT mice presented a high frequency of CD62LhiCD44- cells, which is commonly associated with a naive phenotype. Through transfer experiments we demonstrated that CD4+ T cells from infected muMT mice were able to condition the CD4+ T cells response from infected wild-type mice. Interestingly, using Blimp-flox/flox CD23icre mice we observed that in absence of plasmablast/plasma cell T. cruzi infected mice exhibited a higher number of TNF-producing CD4+ T cells. Our results showed that the absence of B cells during T. cruzi infection affected the T cell response at different levels and generated a favorable scenario for unconventional activation of CD4+ T cell leading to an uncontrolled effector response and inflammation. The product of B cell differentiation, the plasmablast/plasma cells, could be able to regulate TNF-producing CD4+ T cells since their absence favor the increase of the number of TNF+ CD4+ in T. cruzi infected mice. PMID- 29209315 TI - Gradual Increase of FcgammaRIIIa/CD16a Expression and Shift toward IFN-gamma Secretion during Differentiation of CD56dim Natural Killer Cells. AB - Natural killer (NK) cell effector functions include cytotoxicity and secretion of cytokines such as interferon-gamma (IFN-gamma). The immature CD56bright subset of human NK cells lacks expression of FcgammaRIIIa/CD16a, one of the low-affinity immunoglobulin G receptors, or exhibits low-density expression (CD56brightCD16 /dim) and produces IFN-gamma in response to cytokine stimulation, whereas the mature CD56dimCD16+ subset is the most cytotoxic one. A further differentiation/maturation of the latter subset according to the gradual loss of NKG2A and/or gain of KIR2DL (CD158a and CD158b) has been demonstrated and the ability to produce IFN-gamma in response to activating receptor (AR) co engagement is gradually acquired during terminal differentiation. In the course of flow cytometry analysis of CD56dim NK cells, we noted a substantial intraindividual heterogeneity of expression of FcgammaRIIIa. FcgammaRIIIa is unique among ARs: it does not require the co-engagement of other ARs to induce substantial cytotoxicity or cytokine synthesis in CD56dim cells. We, therefore, investigated whether individual differentiation/maturation of polyclonal CD56dim NK cells defined by expression of NKG2A/KIR2DL is related to FcgammaRIIIa expression and to the heterogeneity of NK cell responses upon FcgammaRIIIa engagement. When we analyzed unstimulated CD56dim cells by increasing level of FcgammaRIIIa expression, we found that the proportion of the more differentiated CD158a,h+ and/or CD158b,j+ cells and that of the less differentiated NKG2A+ cells gradually increased and decreased, respectively. FcgammaRIIIa engagement by using plate-bound murine anti-CD16 monoclonal antibody (mAb) or rituximab or trastuzumab (two therapeutic mAbs), resulted in donor-dependent partial segregation of IFN-gamma-producing and/or degranulating CD56dim cells. Importantly, the proportion of CD158a,h/b,j+ cells and that of NKG2A+ cells was increased and decreased, respectively, IFN-gamma-producing cells, whereas these proportions were poorly modified in degranulating cells. Similar results were observed after engagement of ARs by a combination of mAbs targeting NKG2D, NKp30, NKp46, and 2B4. Thus, the gradual increase of FcgammaRIIIa expression is an important feature of the differentiation/maturation of CD56dim cells and this differentiation/maturation is associated with a shift in functionality toward IFN gamma secretion observed upon both FcgammaRIIIa-dependent and FcgammaRIIIa independent stimulation. The functional heterogeneity related to the differentiation/maturation of CD56dim NK cells could be involved in the variability of the clinical responses observed in patients treated with therapeutic mAbs. PMID- 29209316 TI - Complement Protein C1q Binds to Hyaluronic Acid in the Malignant Pleural Mesothelioma Microenvironment and Promotes Tumor Growth. AB - C1q is the first recognition subcomponent of the complement classical pathway, which acts toward the clearance of pathogens and apoptotic cells. C1q is also known to modulate a range of functions of immune and non-immune cells, and has been shown to be involved in placental development and sensorial synaptic pruning. We have recently shown that C1q can promote tumor by encouraging their adhesion, migration, and proliferation in addition to angiogenesis and metastasis. In this study, we have examined the role of human C1q in the microenvironment of malignant pleural mesothelioma (MPM), a rare form of cancer commonly associated with exposure to asbestos. We found that C1q was highly expressed in all MPM histotypes, particularly in epithelioid rather than in sarcomatoid histotype. C1q avidly bound high and low molecular weight hyaluronic acid (HA) via its globular domain. C1q bound to HA was able to induce adhesion and proliferation of mesothelioma cells (MES) via enhancement of ERK1/2, SAPK/JNK, and p38 phosphorylation; however, it did not activate the complement cascade. Consistent with the modular organization of the globular domain, we demonstrated that C1q may bind to HA through ghA module, whereas it may interact with human MES through the ghC. In conclusion, C1q highly expressed in MPM binds to HA and enhances the tumor growth promoting cell adhesion and proliferation. These data can help develop novel diagnostic markers and molecular targets for MPM. PMID- 29209317 TI - beta1-Adrenergic Receptor Contains Multiple IAk and IEk Binding Epitopes That Induce T Cell Responses with Varying Degrees of Autoimmune Myocarditis in A/J Mice. AB - Myocarditis/dilated cardiomyopathy (DCM) patients can develop autoantibodies to various cardiac antigens and one major antigen is beta1-adrenergic receptor (beta1AR). Previous reports indicate that animals immunized with a beta1AR fragment encompassing, 197-222 amino acids for a prolonged period can develop DCM by producing autoantibodies, but existence of T cell epitopes, if any, were unknown. Using A/J mice that are highly susceptible to lymphocytic myocarditis, we have identified beta1AR 171-190, beta1AR 181-200, and beta1AR 211-230 as the major T cell epitopes that bind major histocompatibility complex class II/IAk or IEk alleles, and by creating IAk and IEk dextramers, we demonstrate that the CD4 T cell responses to be antigen-specific. Of note, all the three epitopes were found also to stimulate CD8 T cells suggesting that they can act as common epitopes for both CD4 and CD8 T cells. While, all epitopes induced only mild myocarditis, the disease-incidence was enhanced in animals immunized with all the three peptides together as a cocktail. Although, antigen-sensitized T cells produced mainly interleukin-17A, their transfer into naive animals yielded no disease. But, steering for T helper 1 response led the T cells reacting to one epitope, beta1AR 181-200 to induce severe myocarditis in naive mice. Finally, we demonstrate that all three beta1AR epitopes to be unique for T cells as none of them induced antibody responses. Conversely, animals immunized with a non-T cell activator, beta1AR 201-220, an equivalent of beta1AR 197-222, had antibodies comprising of all IgG isotypes and IgM except, IgA and IgE. Thus, identification of T cell and B cell epitopes of beta1AR may be helpful to determine beta1AR reactive autoimmune responses in various experimental settings in A/J mice. PMID- 29209318 TI - The Major Chromoblastomycosis Etiologic Agent Fonsecaea pedrosoi Activates the NLRP3 Inflammasome. AB - Fonsecaea pedrosoi is the main etiologic agent of chromoblastomycosis (CBM), one of the most prevalent subcutaneous mycosis in tropical and subtropical countries. CBM is a poorly characterized chronic infection that commonly starts after transcutaneous inoculation of conidia and saprophytic hyphae of F. pedrosoi. Recently, we have shown that unlike conidia, hyphae and muriform cells (the parasitic morphotype) of F. pedrosoi promotes an intense inflammatory response pattern in vivo, which comprises the production of an inflammasome-derived cytokine, IL-1beta. Nonetheless, the mechanisms underlying IL-1beta production and maturation upon F. pedrosoi infection and its functional output in the course of CBM remains unknown. We show here that F. pedrosoi hyphae, differently from conidia, induce IL-1beta secretion in both bone marrow-derived dendritic cells and macrophages. Using inhibitors and knockout cells, we demonstrated that the mechanisms underlying IL-1beta production by hyphae-infected macrophages were dependent on dectin-1, -2, and -3 receptors and the Syk-NF-kB signaling pathway. Furthermore, F. pedrosoi promoted a NLRP3-dependent inflammasome activation, which required potassium efflux, reactive oxygen species production, phagolysosomal acidification, and cathepsin B release as triggers. IL-1beta processing and release was mediated primarily by caspase-1 and, to a lesser extent, by caspase-8-dependent cleavage. Finally, we showed using a murine CBM model that F. pedrosoi elicits a NLRP3-regulated IL-1beta and interleukin-18 release in vivo, but without NLRP3 inflammasome activation interfering in the course of the experimental infection. PMID- 29209319 TI - Mesenchymal Stem Cells Induce Expression of CD73 in Human Monocytes In Vitro and in a Swine Model of Myocardial Infarction In Vivo. AB - The ectoenzymes CD39 and CD73 regulate the purinergic signaling through the hydrolysis of adenosine triphosphate (ATP)/ADP to AMP and to adenosine (Ado), respectively. This shifts the pro-inflammatory milieu induced by extracellular ATP to the anti-inflammatory regulation by Ado. Mesenchymal stem cells (MSCs) have potent immunomodulatory capabilities, including monocyte modulation toward an anti-inflammatory phenotype aiding tissue repair. In vitro, we observed that human cardiac adipose tissue-derived MSCs (cATMSCs) and umbilical cord MSCs similarly polarize monocytes toward a regulatory M2 phenotype, which maintained the expression of CD39 and induced expression of CD73 in a cell contact dependent fashion, correlating with increased functional activity. In addition, the local treatment with porcine cATMSCs using an engineered bioactive graft promoted the in vivo CD73 expression on host monocytes in a swine model of myocardial infarction. Our results suggest the upregulation of ectonucleotidases on MSC conditioned monocytes as an effective mechanism to amplify the long-lasting immunomodulatory and healing effects of MSCs delivery. PMID- 29209320 TI - How Mucosal Epithelia Deal with Stress: Role of NKG2D/NKG2D Ligands during Inflammation. AB - Mucosal epithelia encounter both physicochemical and biological stress during their life and have evolved several mechanisms to deal with them, including regulation of immune cell functions. Stressed and damaged cells need to be cleared to control local inflammation and trigger tissue healing. Engagement of the activating NKG2D receptor is one of the most direct mechanisms involved in the recognition of stressed cells by the immune system. Indeed, injured cells promptly express NKG2D ligands that in turn mediate the activation of lymphocytes of both innate and adaptive arms of the immune system. This review focuses on different conditions that are able to modulate NKG2D ligand expression on the epithelia. Special attention is given to the mechanisms of immunosurveillance mediated by natural killer cells, which are finely tuned by NKG2D. Different types of stress, including viral and bacterial infections, chronic inflammation, and cigarette smoke exposure, are discussed as paradigmatic conditions for NKG2D ligand modulation, and the implications for tissue homeostasis are discussed. PMID- 29209321 TI - Consumption of Diet Containing Free Amino Acids Exacerbates Colitis in Mice. AB - Dietary proteins can influence the maturation of the immune system, particularly the gut-associated lymphoid tissue, when consumed from weaning to adulthood. Moreover, replacement of dietary proteins by amino acids at weaning has been shown to impair the generation of regulatory T cells in the gut as well as immune activities such as protective response to infection, induction of oral and nasal tolerance as well as allergic responses. Polymeric and elemental diets are used in the clinical practice, but the specific role of intact proteins and free amino acids during the intestinal inflammation are not known. It is plausible that these two dietary nitrogen sources would yield distinct immunological outcomes since proteins are recognized by the immune system as antigens and amino acids do not bind to antigen-recognition receptors but instead to intracellular receptors such as mammalian target of rapamycin (mTOR). In this study, our aim was to evaluate the effects of consumption of an amino acid-containing diet (AA diet) versus a control protein-containing diet in adult mice at steady state and during colitis development. We showed that consumption of a AA diet by adult mature mice lead to various immunological changes including decrease in the production of serum IgG as well as increase in the levels of IL-6, IL-17A, TGF-beta, and IL-10 in the small and large intestines. It also led to changes in the intestinal morphology, to increase in intestinal permeability, in the number of total and activated CD4+ T cells in the small intestine as well as in the frequency of proliferating cells in the colon. Moreover, consumption of AA diet during and prior to development of dextran sodium sulfate-induced colitis exacerbated gut inflammation. Administration of rapamycin during AA diet consumption prevented colitis exacerbation suggesting that mTOR activation was involved in the effects triggered by the AA diet. Therefore, our study suggests that different outcomes can result from the use of diets containing either intact proteins or free amino acids such as elemental, semielemental, and polymeric diets during intestinal inflammation. These results may contribute to the design of nutritional therapeutic intervention for inflammatory bowel diseases. PMID- 29209322 TI - Camelid Single-Domain Antibodies: Historical Perspective and Future Outlook. AB - Tremendous effort has been expended over the past two and a half decades to understand many aspects of camelid heavy chain antibodies, from their biology, evolution, and immunogenetics to their potential applications in various fields of research and medicine. In this article, I present a historical perspective on the development of camelid single-domain antibodies (sdAbs or VHHs, also widely known as nanobodies) since their discovery and discuss the advantages and disadvantages of these unique molecules in various areas of research, industry, and medicine. Commercialization of camelid sdAbs exploded in 2001 with a flurry of patents issued to the Vrije Universiteit Brussel (VUB) and later taken on by the Vlaams Interuniversitair Instituut voor Biotechnologie (VIB) and, after 2002, the VIB-founded spin-off company, Ablynx. While entrepreneurial spirit has certainly catalyzed the exploration of nanobodies as marketable products, IP restrictions may be partially responsible for the relatively long time span between the discovery of these biomolecules and their entry into the pharmaceutical market. It is now anticipated that the first VHH-based antibody drug, Caplacizumab, a bivalent anti-vWF antibody for treating rare blood clotting disorders, may be approved and commercialized in 2018 or shortly thereafter. This elusive first approval, along with the expiry of key patents, may substantially alter the scientific and biomedical landscape surrounding camelid sdAbs and pave the way for their emergence as mainstream biotherapeutics. PMID- 29209324 TI - Comprehensive Analysis of Cytomegalovirus pp65 Antigen-Specific CD8+ T Cell Responses According to Human Leukocyte Antigen Class I Allotypes and Intraindividual Dominance. AB - To define whether individual human leukocyte antigen (HLA) class I allotypes are used preferentially in human cytomegalovirus (CMV)-specific cytotoxic T lymphocyte responses, CD8+ T cell responses restricted by up to six HLA class I allotypes in an individual were measured in parallel using K562-based artificial antigen-presenting cells expressing both CMV pp65 antigen and one of 32 HLA class I allotypes (7 HLA-A, 14 HLA-B, and 11 HLA-C) present in 50 healthy Korean donors. The CD8+ T cell responses to pp65 in the HLA-C allotypes were lower than responses to those in HLA-A and -B allotypes and there was no difference between the HLA-A and HLA-B loci. HLA-A*02:01, -B*07:02, and -C*08:01 showed the highest magnitude and frequency of immune responses to pp65 at each HLA class I locus. However, HLA-A*02:07, -B*59:01, -B*58:01, -B*15:11, -C*03:02, and -C*02:02 did not show any immune responses. Although each individual has up to six different HLA allotypes, 46% of the donors showed one allotype, 24% showed two allotypes, and 2% showed three allotypes that responded to pp65. Interestingly, the frequencies of HLA-A alleles were significantly correlated with the positivity of specific allotypes. Our results demonstrate that specific HLA class I allotypes are preferentially used in the CD8+ T cell immune response to pp65 and that a hierarchy among HLA class I allotypes is present in an individual. PMID- 29209323 TI - Non-Neutralizing Antibodies Directed against HIV and Their Functions. AB - B cells produce a plethora of anti-HIV antibodies (Abs) but only few of them exhibit neutralizing activity. This was long considered a profound limitation for the enforcement of humoral immune responses against HIV-1 infection, especially since these neutralizing Abs (nAbs) are extremely difficult to induce. However, increasing evidence shows that additional non-neutralizing Abs play a significant role in decreasing the viral load, leading to partial and sometimes even total protection. Mechanisms suspected to participate in protection are numerous. They involve the Fc domain of Abs as well as their Fab part, and consequently the induced Ab isotype will be determinant for their functions, as well as the quantity and quality of the Fc-receptors (FcRs) expressed on immune cells. Fc mediated inhibitory functions, such as Ab-dependent cellular cytotoxicity, antibody-dependent cellular phagocytosis, aggregation, and even immune activation have been proposed. However, as for nAbs, the non-neutralizing activities are limited to a subset of anti-HIV Abs. An improved in-depth characterization of the Abs displaying these functional responses is required for the development of new vaccination strategies, which aim to selectively trigger the B cells able to induce the right functional Ab combinations both at the right place and at the right time. This review summarizes our current knowledge on non-neutralizing functional inhibitory Abs and discusses the potential benefit of inducing them via vaccination. We also provide new insight into the roles of the FcgammaR mediated Ab therapeutics in clinical trials for HIV diseases. PMID- 29209325 TI - Probiotic Enhanced Intestinal Immunity in Broilers against Subclinical Necrotic Enteritis. AB - Along with banning of antibiotics, necrotic enteritis (NE), especially subclinical NE (SNE) whereby no clinical signs are present in chicks, has become one of the most threatening problems in poultry industry. Therefore, increasing attention has been focused on research and application of effective probiotic strains, as an alternative to antibiotics, to prevent SNE in broilers. In the present study, we evaluated the effects of Lactobacillus johnsonii BS15 on the prevention of SNE in broilers. Specifically, assessment determined the growth performance and indexes related to intestinal mucosal immunity in the ileum and cecal tonsil of broilers. A total of 300 1-day-old Cobb 500 chicks were randomly distributed into the following 5 groups: control group (fed with basal diet + de Man, Rogosa, and Sharpe liquid medium [normal diet]), SNE group (normal diet), BS15 group (basal diet + 1 * 106 colony-forming units BS15/g as fed [BS15 diet]), treatment group (normal diet [days 1-28] + BS15 diet [days 29-42]), and prevention group (BS15 diet [days 1-28] + normal diet [days 29-42]) throughout a 42-day experimental period. SNE infection was treated for all chicks in the SNE, BS15, treatment, and prevention groups. The present results demonstrated that BS15 supplementation of feeds in BS15 and prevention groups exerted a positive effect on preventing negative influences on growth performance; these negative influences included low body weight gain and increased feed conversion ratio caused by SNE. Although no changes were detected in all determined indexes in cecal tonsils, BS15-treated broilers were free from SNE-caused damage in villi in the ileum. BS15 inhibited SNE-caused decrease in immunoglobulins in the ileum. In the lamina propria of ileum, T cell subsets of lymphocytes influenced by SNE were also controlled by BS15. BS15 affected antioxidant abilities of the ileum and controlled SNE-induced mitochondrion-mediated apoptosis by positively changing contents and/or mRNA expression levels of apoptosis-related proteins. These findings indicate that BS15 supplementation may prevent SNE-affected growth decline mainly through enhancing intestinal immunity in broilers. PMID- 29209326 TI - Retroviruses As Myeloid Cell Riders: What Natural Human Siglec-1 "Knockouts" Tell Us About Pathogenesis. AB - Myeloid cells initiate immune responses and are crucial to control infections. In the case of retroviruses, however, myeloid cells also promote pathogenesis by enabling viral dissemination; a process extensively studied in vitro using human immunodeficiency virus type 1 (HIV-1). This viral hijacking mechanism does not rely on productive myeloid cell infection but requires HIV-1 capture via Siglec 1/CD169, a receptor expressed on myeloid cells that facilitates the infection of bystander target cells. Murine retroviruses are also recognized by Siglec-1, and this interaction is required for robust retroviral infection in vivo. Yet, the relative contribution of Siglec-1-mediated viral dissemination to HIV-1 disease progression remains unclear. The identification of human null individuals lacking working copies of a particular gene enables studying how this loss affects disease progression. Moreover, it can reveal novel antiviral targets whose blockade might be therapeutically effective and safe, since finding null individuals in natura uncovers dispensable functions. We previously described a loss-of-function variant in SIGLEC-1. Analysis of a large cohort of HIV-1 infected individuals identified homozygous and heterozygous subjects, whose cells were functionally null or partially defective for Siglec-1 activity in HIV-1 capture and transmission ex vivo. Nonetheless, analysis of the effect of Siglec-1 truncation on progression to AIDS was not conclusive due to the limited cohort size, the lack of complete clinical records, and the restriction to study only off-therapy periods. Here, we review how the study of loss-of-function variants might serve to illuminate the role of myeloid cells in viral pathogenesis in vivo and the challenges ahead. PMID- 29209328 TI - Antibodies against MYC-Associated Zinc Finger Protein: An Independent Marker in Acute Coronary Syndrome? AB - Introduction: Atherosclerosis is considered the pathophysiology underlying cardiovascular (CVD), cerebrovascular, and peripheral vascular diseases. Evidence supporting an autoimmune component is emerging, with imaging studies correlating MYC-associated zinc finger protein antibody (MAZ-Ab) optical density (OD) with plaque activity. This study compares MAZ-Ab OD on ELISA testing among patients presenting with acute coronary syndromes (ACSs) to healthy controls and investigates the association of MAZ-Ab to traditional CVD risk factors. Methods: Patients admitted with ACSs between August 2007 and July 2011 were included. Serum samples taken at presentation were retrospectively tested for MAZ-Ab and compared with serum from healthy volunteers with no CVD risk factors. Large-scale assessment of post-ACS prognostic relevance was performed using the established PLATO cohort. Results: In total 174 ACS patients and 96 controls were included. Among ACS patients, median MAZ-Ab OD was higher compared with controls (0.46 vs. 0.27; p = 0.001). Although the majority of ACS patients (116/174; 67%) had suffered from a ST-elevation myocardial infarction, no significant differences in MAZ-Ab titers were evident between ACS subtypes (p = 0.682). No associations between MAZ-Ab OD and conventional CVD risk factors were identified. Large-scale testing revealed no prognostic stratification regarding reinfarction (OR 1.04 [95% CI: 0.94-1.16]; p = 0.436). Conclusion: MAZ-Ab OD was higher or all ACS phenotypes compared with controls. Given current understanding of MAZ-Ab function, these findings support an autoimmune component to CVD independent of conventional risk factors and indeed the extent of end-organ damage. PMID- 29209329 TI - Angiotensin-(1-7) Promotes Resolution of Neutrophilic Inflammation in a Model of Antigen-Induced Arthritis in Mice. AB - Defective resolution of inflammation may be crucial for the initiation and development of chronic inflammatory diseases, such as arthritis. Therefore, it has been suggested that therapeutic strategies based on molecules that facilitate inflammation resolution present great potential for the treatment of chronic inflammatory diseases. In this study, we investigated the effects and role of angiotensin-(1-7) [Ang-(1-7)] in driving resolution of neutrophilic inflammation in a model of arthritis. For this purpose, male C57BL/6 mice were subjected to antigen-induced arthritis and treated with Ang-(1-7) at the peak of the inflammatory process. Analysis of the number of inflammatory cells, apoptosis, and immunofluorescence for NF-kappaB was performed in the exudate collected from the knee cavity. Neutrophil accumulation in periarticular tissue was measured by assaying myeloperoxidase activity. Apoptosis of human neutrophil after treatment with Ang-(1-7) was evaluated morphologically and by flow cytometry, and NF-kappaB phosphorylation by immunofluorescence. Efferocytosis was evaluated in vivo. Therapeutic treatment with Ang-(1-7) at the peak of inflammation promoted resolution, an effect associated with caspase-dependent neutrophils apoptosis and NF-kappaB inhibition. Importantly, Ang-(1-7) was also able to induce apoptosis of human neutrophils, an effect associated with NF-kappaB inhibition. The pro resolving effects of Ang-(1-7) were inhibited by the Mas receptor antagonist A779. Finally, we showed that Ang-(1-7) increased the efferocytic ability of murine macrophages. Our results clearly demonstrate that Ang-(1-7) resolves neutrophilic inflammation in vivo acting in two key step of resolution: apoptosis of neutrophils and their removal by efferocytosis. Ang-(1-7) is a novel mediator of resolution of inflammation. PMID- 29209327 TI - Strategies to Improve the Efficacy of Dendritic Cell-Based Immunotherapy for Melanoma. AB - Melanoma is a highly aggressive form of skin cancer that frequently metastasizes to vital organs, where it is often difficult to treat with traditional therapies such as surgery and radiation. In such cases of metastatic disease, immunotherapy has emerged in recent years as an exciting treatment option for melanoma patients. Despite unprecedented successes with immune therapy in the clinic, many patients still experience disease relapse, and others fail to respond at all, thus highlighting the need to better understand factors that influence the efficacy of antitumor immune responses. At the heart of antitumor immunity are dendritic cells (DCs), an innate population of cells that function as critical regulators of immune tolerance and activation. As such, DCs have the potential to serve as important targets and delivery agents of cancer immunotherapies. Even immunotherapies that do not directly target or employ DCs, such as checkpoint blockade therapy and adoptive cell transfer therapy, are likely to rely on DCs that shape the quality of therapy-associated antitumor immunity. Therefore, understanding factors that regulate the function of tumor-associated DCs is critical for optimizing both current and future immunotherapeutic strategies for treating melanoma. To this end, this review focuses on advances in our understanding of DC function in the context of melanoma, with particular emphasis on (1) the role of immunogenic cell death in eliciting tumor-associated DC activation, (2) immunosuppression of DC function by melanoma-associated factors in the tumor microenvironment, (3) metabolic constraints on the activation of tumor-associated DCs, and (4) the role of the microbiome in shaping the immunogenicity of DCs and the overall quality of anti-melanoma immune responses they mediate. Additionally, this review highlights novel DC-based immunotherapies for melanoma that are emerging from recent progress in each of these areas of investigation, and it discusses current issues and questions that will need to be addressed in future studies aimed at optimizing the function of melanoma associated DCs and the antitumor immune responses they direct against this cancer. PMID- 29209330 TI - The Enigma of Heat Shock Proteins in Immune Tolerance. AB - The fundamental problem of autoimmune diseases is the failure of the immune system to downregulate its own potentially dangerous cells, which leads to destruction of tissue expressing the relevant autoantigens. Current immunosuppressive therapies offer relief but fail to restore the basic condition of self-tolerance. They do not induce long-term physiological regulation resulting in medication-free disease remissions. Heat shock proteins (HSPs) have shown to possess the capacity of inducing lasting protective immune responses in models of experimental autoimmune diseases. Especially mycobacterial HSP60 and HSP70 were shown to induce disease inhibitory IL-10-producing regulatory T cells in many different models. This in itself may seem enigmatic, since based on earlier studies, HSPs were also coined sometimes as pro-inflammatory damage associated molecular patterns. First clinical trials with HSPs in rheumatoid arthritis and type I diabetes have also indicated their potential to restore tolerance in autoimmune diseases. Data obtained from the models have suggested three aspects of HSP as being critical for this tolerance promoting potential: 1. evolutionary conservation, 2. most frequent cytosolic/nuclear MHC class II natural ligand source, and 3. upregulation under (inflammatory) stress. The combination of these three aspects, which are each relatively unique for HSP, may provide an explanation for the enigmatic immune tolerance promoting potential of HSP. PMID- 29209331 TI - Sialic Acids in the Immune Response during Sepsis. AB - Sialic acid-binding immunoglobulin-type lectins (Siglecs) are a group of cell surface transmembrane receptors expressed on immune cells, and regulate immune balance in inflammatory diseases. Sepsis is a life-threatened inflammatory syndrome induced by infection, and the pathogenesis of sepsis includes immune dysregulation, inflammation, and coagulation disorder. Here, we reviewed the various roles acted by Siglecs family in the pathogenesis of sepsis. Siglec-1, Siglec-5, and Siglec-14 play bidirectional roles through modulation of inflammation and immunity. Siglec-2 regulates the immune balance during infection by modulating B cell and T cell response. Siglec-9 helps endocytosis of toll-like receptor 4, regulates macrophages polarization, and inhibits the function of neutrophils during infection. Siglec-10 inhibits danger-associated molecular patterns induced inflammation, helps the initiation of antigen response by T cells, and decreases B-1a cell population to weaken inflammation. Regulating the Siglecs function in the different stages of sepsis holds great potential in the therapy of sepsis. PMID- 29209332 TI - Complement Receptor 3 Has Negative Impact on Tumor Surveillance through Suppression of Natural Killer Cell Function. AB - Complement receptor 3 (CR3) is expressed abundantly on natural killer (NK) cells; however, whether it plays roles in NK cell-dependent tumor surveillance is largely unknown. Here, we show that CR3 is an important negative regulator of NK cell function, which has negative impact on tumor surveillance. Mice deficient in CR3 (CD11b-/- mice) exhibited a more activated NK phenotype and had enhanced NK dependent tumor killing. In a B16-luc melanoma-induced lung tumor growth and metastasis model, mice deficient in CR3 had reduced tumor growth and metastases, compared with WT mice. In addition, adaptive transfer of NK cells lacking CR3 (into NK-deficient mice) mediated more efficient suppression of tumor growth and metastases, compared with the transfer of CR3 sufficient NK cells, suggesting that CR3 can impair tumor surveillance through suppression of NK cell function. In vitro analyses showed that engagement of CR3 with iC3b (classical CR3 ligand) on NK cells negatively regulated NK cell activity and effector functions (i.e. direct tumor cell killing, antibody-dependent NK-mediated tumor killing). Cell signaling analyses showed that iC3b stimulation caused activation of Src homology 2 domain-containing inositol-5-phosphatase-1 (SHIP-1) and JNK, and suppression of ERK in NK cells, supporting that iC3b mediates negative regulation of NK cell function through its effects on SHIP-1, JNK, and ERK signal transduction pathways. Thus, our findings demonstrate a previously unknown role for CR3 in dysregulation of NK-dependent tumor surveillance and suggest that the iC3b/CR3 signaling is a critical negative regulator of NK cell function and may represent a new target for preserving NK cell function in cancer patients and improving NK cell-based therapy. PMID- 29209333 TI - Inhibition of Acute Graft-versus-Host Disease with Retention of Graft-versus Tumor Effects by Dimethyl Fumarate. AB - Acute graft-versus-host disease (aGVHD) remains a clinical challenge and a major source of morbidity and mortality following allogeneic hematopoietic stem cell transplantation (allo-HSCT). Dimethyl fumarate (DMF), an activator of Nrf2, has been shown to have anti-inflammatory and immunomodulatory properties without significant immunosuppression. We therefore hypothesized that DMF could be potentially harnessed for the treatment of aGVHD with retention of graft-versus tumor effect. In this study, we showed that DMF significantly inhibited alloreactive T cell responses in vitro in mixed lymphocyte reaction assay. Administration of DMF significantly alleviated the severity, histological damage, and the overall mortality of aGVHD in an MHC-mismatched aGVHD model. DMF administration reduced the activation and effector function of donor T cells in vitro and in vivo. In addition, DMF treatment upregulated antioxidant enzymes heme oxygenase-1 and glutathione S-transferase-alpha1 expressions. Furthermore, DMF treatment markedly increased the frequencies of Treg cells. Depletion of CD25+ cells in DMF recipients aggravated aGVHD mortality compared with IgG control recipients. DMF could promote Treg cell differentiation in a dose dependent manner by upregulating TGF-beta expression in vitro. Most importantly, DMF administration preserved graft-versus-leukemia effect after bone marrow transplantation. In conclusion, our findings demonstrated DMF as a promising agent for the prevention of aGVHD after allo-HSCT. PMID- 29209334 TI - Absence of the Non-Signalling Chemerin Receptor CCRL2 Exacerbates Acute Inflammatory Responses In Vivo. AB - Chemerin is a chemotactic protein that induces migration of several immune cells including macrophages, immature dendritic cells, and NK cells. Chemerin binds to three G protein-coupled receptors (GPCRs), including CCRL2. The exact function of CCRL2 remains unclear. CCRL2 expression is rapidly upregulated during inflammation, but it lacks the intracellular DRYLAIV motif required for classical GPCR downstream signalling pathways, and it has not been reported to internalise chemerin upon binding. The aim of this study was to investigate what role if any CCRL2 plays during acute inflammation. Using the zymosan- and thioglycollate induced murine models of acute inflammation, we report that mice deficient in the Ccrl2 gene display exaggerated local and systemic inflammatory responses, characterised by increased myeloid cell recruitment. This amplified myeloid cell recruitment was associated with increased chemerin and CXCL1 levels. Furthermore, we report that the inflammatory phenotype observed in these mice is dependent upon elevated levels of endogenous chemerin. Antibody neutralisation of chemerin activity in Ccrl2-/- mice abrogated the amplified inflammatory responses. Importantly, chemerin did not directly recruit myeloid cells but rather increased the production of other chemotactic proteins such as CXCL1. Administration of recombinant chemerin to wild-type mice before inflammatory challenge recapitulated the increased myeloid cell recruitment and inflammatory mediator production observed in Ccrl2-/- mice. We have demonstrated that the absence of CCRL2 results in increased levels of local and systemic chemerin levels and exacerbated inflammatory responses during acute inflammatory challenge. These results further highlight the importance of chemerin as a therapeutic target in inflammatory diseases. PMID- 29209335 TI - Identification and Expression Profile of CYPome in Perennial Ryegrass and Tall Fescue in Response to Temperature Stress. AB - Plant cytochrome P450s are involved in a wide range of biosynthetic reactions that generate various biomolecules, including a variety of defensive compounds. Perennial ryegrass (Lolium perenne) and tall fescue (Festuca arundinacea) are two major species of turf and forage grasses that usually experience low temperature below -10 degrees C and high temperature over 38 degrees C around the world. In this study, we re-analyzed transcriptome of perennial ryegrass and tall fescue treated with heat and cold stress. Thus, we can evaluate P450 composition in these species and confirm whether P450 genes response to temperature stress. We identified 277 and 319 P450 transcripts with open reading frames larger than 300 bp, respectively. These P450 transcripts were mainly classed in the CYP71, 51, 94, 89, 72, and 734 families. In perennial ryegrass and tall fescue, a total of 66 and 62 P450 transcripts were up-regulated, and 65 and 117 transcripts were down-regulated when subjected to heat stress, respectively. When exposed to cold stress, 60 and 73 transcripts were up-regulated, and 59 and 77 transcripts were down-regulated in perennial ryegrass and tall fescue. Among these differentially expressed transcripts, 64 and 87 of them showed expression level changes that followed the same trend, and these temperature-responsive genes primarily belong to the CYP71, 72 and 99 families. Besides, heat and cold stress altered phenylalanine and brassinosteroid involved P450 transcripts in perennial ryegrass and tall fescue. P450 transcripts involved in the metabolism of these compounds showed a strong response to heat and/or cold stress, indicating that they likely play important roles in temperature acclimation in these two species. The CYPome provide a genetic base for the future functional studies, as well as genetic studies that may improve stress tolerance for perennial ryegrass and tall fescue to extreme temperature. PMID- 29209336 TI - DRDB: An Online Date Palm Genomic Resource Database. AB - Background: Date palm (Phoenix dactylifera L.) is a cultivated woody plant with agricultural and economic importance in many countries around the world. With the advantages of next generation sequencing technologies, genome sequences for many date palm cultivars have been released recently. Short sequence repeat (SSR) and single nucleotide polymorphism (SNP) can be identified from these genomic data, and have been proven to be very useful biomarkers in plant genome analysis and breeding. Results: Here, we first improved the date palm genome assembly using 130X of HiSeq data generated in our lab. Then 246,445 SSRs (214,901 SSRs and 31,544 compound SSRs) were annotated in this genome assembly; among the SSRs, mononucleotide SSRs (58.92%) were the most abundant, followed by di- (29.92%), tri- (8.14%), tetra- (2.47%), penta- (0.36%), and hexa-nucleotide SSRs (0.19%). The high-quality PCR primer pairs were designed for most (174,497; 70.81% out of total) SSRs. We also annotated 6,375,806 SNPs with raw read depth>=3 in 90% cultivars. To further reduce false positive SNPs, we only kept 5,572,650 (87.40% out of total) SNPs with at least 20% cultivars support for downstream analyses. The high-quality PCR primer pairs were also obtained for 4,177,778 (65.53%) SNPs. We reconstructed the phylogenetic relationships among the 62 cultivars using these variants and found that they can be divided into three clusters, namely North Africa, Egypt - Sudan, and Middle East - South Asian, with Egypt - Sudan being the admixture of North Africa and Middle East - South Asian cultivars; we further confirmed these clusters using principal component analysis. Moreover, 34,346 SSRs and 4,177,778 SNPs with PCR primers were assigned to shared cultivars for cultivar classification and diversity analysis. All these SSRs, SNPs and their classification are available in our database, and can be used for cultivar identification, comparison, and molecular breeding. Conclusion:DRDB is a comprehensive genomic resource database of date palm. It can serve as a bioinformatics platform for date palm genomics, genetics, and molecular breeding. DRDB is freely available at http://drdb.big.ac.cn/home. PMID- 29209338 TI - Can Aquatic Plants Keep Pace with Climate Change? AB - The persistence of species may depend upon their capacity to keep pace with climate change. However, dispersal has been ignored in the vast majority of studies that aimed at estimating and predicting range shifts as a response to climate change. Long distance dispersal (LDD) in particular might promote rapid range shifts and allow species to track suitable habitat. Many aquatic plant species are dispersed by birds and have the potential to be dispersed over hundreds of kilometers during the bird migration seasons. I argue that such dispersal potential might be critical to allow species to track climate change happening at unprecedented high rates. As a case study, I used dispersal data from three aquatic plant species dispersed by migratory birds to model range shifts in response to climate change projections. By comparing four dispersal scenarios - (1) no dispersal, (2) unlimited dispersal, (3) LDD < 100 km, and (4) LDD mediated by bird migratory movements -, it was shown that, for bird-mediated dispersal, the rate of colonization is sufficient to counterbalance the rate of habitat loss. The estimated rates of colonization (3.2-31.5 km?year-1) are higher than, for example, the rate of global warming (previously estimated at 0.42 km?year-1). Although further studies are needed, the results suggest that these aquatic plant species can adjust their ranges under a severe climate change scenario. Therefore, investigating the dispersal capacity of species, namely their LDD potential, may contribute to estimate the likelihood of species to keep pace with climate change. PMID- 29209337 TI - A Plant-Feeding Nematode Indirectly Increases the Fitness of an Aphid. AB - Plants suffer multiple, simultaneous assaults from above and below ground. In the laboratory, pests and/or pathogen attack are commonly studied on an individual basis. The molecular response of the plant to attack from multiple organisms and the interaction of different defense pathways is unclear. The inducible systemic responses of the potato (Solanum tuberosum L.) host plant were analyzed to characterize the plant-mediated indirect interactions between a sedentary, endoparasitic nematode (Globodera pallida), and a phloem-sucking herbivore (Myzus persicae). The reproductive success of M. persicae was greater on potato plants pre-infected with G. pallida compared to control plants. Salicylic acid (SA) increased systemically in the leaves of potato plants following nematode and aphid infection singly with a corresponding increase in expression of SA-mediated marker genes. An increase in jasmonic acid associated with aphid infection was suppressed when plants were co-infected with nematodes. Our data suggests a positive, asymmetric interaction between a sedentary endoparasitic nematode and a sap-sucking insect. The systemic response of the potato plant following infection with G. pallida indirectly influences the performance of M. persicae. This work reveals additional secondary benefits of controlling individual crop pests. PMID- 29209339 TI - Overexpression of SoCYP85A1, a Spinach Cytochrome p450 Gene in Transgenic Tobacco Enhances Root Development and Drought Stress Tolerance. AB - Brassinosteroids (BRs) play an essential role in plant growth, development, and responses to diverse abiotic stresses. However, previous studies mainly analyzed how exogenous BRs influenced plant physiological reactions to drought stress, therefore, genetic evidences for the endogenous BRs-mediated regulation of plant responses still remain elusive. In this study, a key BRs biosynthetic gene, SoCYP85A1 was cloned from Spinacia oleracea, which has a complete open reading frame of 1,392 bp encoding a 464 amino acid peptide and shares high sequence similarities with CYP85A1 from other plants. The expression of SoCYP85A1 which was higher in leaf compared with root and stem, was induced by treatments of PEG6000, abscisic acid (ABA), low temperature and high salt. Increases in both SoCYP85A1 transcripts and endogenous BRs in transgenic tobacco which resulted in longer primary root and more lateral roots enhanced drought tolerance compared with wild types. The transgenic tobacco accumulated much lower levels of reactive oxygen species and malondialdehyde (MDA) than wild types did, accompanied by significantly higher content of proline and notably enhanced activities of antioxidant enzymes. Besides, transcriptional expressions of six stress responsive genes were regulated to higher levels in transgenic lines under drought stress. Taken together, our results demonstrated that SoCYP85A1 involves in response to drought stress by promoting root development, scavenging ROS, and regulating expressions of stress-responsive genes. PMID- 29209340 TI - Abiotic Stress Responsive miRNA-Target Network and Related Markers (SNP, SSR) in Brassica juncea. AB - Abiotic stress is one of the major factors responsible for huge yield loss in crop plants. MicroRNAs play a key role in adaptive responses of plants under abiotic stress conditions through post-transcriptional gene regulations. In present study, 95 potential miRNAs were predicted in Brassica juncea using comparative genomics approach. It was noted that these miRNAs, target several transcription factors (TFs), transporter family proteins, signaling related genes, and protease encoding genes. Nineteen distinct miRNA-target regulatory networks were observed with significant involvement in regulation of transcription, response to stimulus, hormone and auxin mediated signaling pathway related gene ontology (GO) term. The sucrose-starch metabolism and pentose gluconate interconversion pathways were found significantly enriched for these target genes. Molecular markers such as Simple Sequence Repeats (SSR) and Single Nucleotide Polymorphism (SNPs) were identified on miRNAs (miR-SSRs and miR-SNPs) and their target genes in B. juncea. Notably, one of the miR-SNP (C/T) was found at the 5th position on mature region of miR2926. This C/T transition led to the distorted and unstable hairpin structure of miR2926, consequently complete loss of target function. Hence, findings from this study will lay a foundation for marker assisted breeding for abiotic stress tolerant varieties of B. juncea. PMID- 29209341 TI - The Challenge of Improving Soil Fertility in Yam Cropping Systems of West Africa. AB - Yam (Dioscorea spp.) is a tuber crop grown for food security, income generation, and traditional medicine. This crop has a high cultural value for some of the groups growing it. Most of the production comes from West Africa where the increased demand has been covered by enlarging cultivated surfaces while the mean yield remained around 10 t tuber ha-1. In West Africa, yam is traditionally cultivated without input as the first crop after a long-term fallow as it is considered to require a high soil fertility. African soils, however, are being more and more degraded. The aims of this review were to show the importance of soil fertility for yam, discuss barriers that might limit the adoption of integrated soil fertility management (ISFM) in yam-based systems in West Africa, present the concept of innovation platforms (IPs) as a tool to foster collaboration between actors for designing innovations in yam-based systems and provide recommendations for future research. This review shows that the development of sustainable, feasible, and acceptable soil management innovations for yam requires research to be conducted in interdisciplinary teams including natural and social sciences and in a transdisciplinary manner involving relevant actors from the problem definition, to the co-design of soil management innovations, the evaluation of research results, their communication and their implementation. Finally, this research should be conducted in diverse biophysical and socio-economic settings to develop generic rules on soil/plant relationships in yam as affected by soil management and on how to adjust the innovation supply to specific contexts. PMID- 29209343 TI - Vermicompost Improves Tomato Yield and Quality and the Biochemical Properties of Soils with Different Tomato Planting History in a Greenhouse Study. AB - A greenhouse pot test was conducted to study the impacts of replacing mineral fertilizer with organic fertilizers for one full growing period on soil fertility, tomato yield and quality using soils with different tomato planting history. Four types of fertilization regimes were compared: (1) conventional fertilizer with urea, (2) chicken manure compost, (3) vermicompost, and (4) no fertilizer. The effects on plant growth, yield and fruit quality and soil properties (including microbial biomass carbon and nitrogen, [Formula: see text] N, [Formula: see text]-N, soil water-soluble organic carbon, soil pH and electrical conductivity) were investigated in samples collected from the experimental soils at different tomato growth stages. The main results showed that: (1) vermicompost and chicken manure compost more effectively promoted plant growth, including stem diameter and plant height compared with other fertilizer treatments, in all three types of soil; (2) vermicompost improved fruit quality in each type of soil, and increased the sugar/acid ratio, and decreased nitrate concentration in fresh fruit compared with the CK treatment; (3) vermicompost led to greater improvements in fruit yield (74%), vitamin C (47%), and soluble sugar (71%) in soils with no tomato planting history compared with those in soils with long tomato planting history; and (4) vermicompost led to greater improvements in soil quality than chicken manure compost, including higher pH (averaged 7.37 vs. averaged 7.23) and lower soil electrical conductivity (averaged 204.1 vs. averaged 234.6 MUS/cm) at the end of experiment in each type of soil. We conclude that vermicompost can be recommended as a fertilizer to improve tomato fruit quality and yield and soil quality, particularly for soils with no tomato planting history. PMID- 29209342 TI - Physical, Functional and Genetic Interactions between the BEACH Domain Protein SPIRRIG and LIP5 and SKD1 and Its Role in Endosomal Trafficking to the Vacuole in Arabidopsis. AB - Beige and Chediak Higashi (BEACH) domain-containing proteins (BDCPs) are facilitators of membrane-dependent cellular processes in eukaryotes. Mutations in BDCPs cause malfunctions of endosomal compartments in various cell types. Recently, the molecular analysis of the BDCP homolog gene SPIRRIG (SPI) has revealed a molecular function in P-bodies and the regulation of RNA stability. We therefore aimed to analyze, whether SPI has also a role in membrane-dependent processes. In this study, we show that SPI physically interacts with endosomal sorting complex required for transport associated ATPase Suppressor of K+ transport growth defect1 (SKD1) and its positive regulator, LYST Interacting Protein 5 (LIP5) and report genetic interactions between SPI and SKD1 and LIP5. We further show that the endosomal transport route of soluble proteins to the lytic vacuole is disturbed in spi lip5 double mutants but not in the single mutants. These vacuolar transport defects were suppressed by additional expression of SKD1. Our results indicate that the BEACH domain protein SPI has in addition to a role in P-bodies a function in endosomal transport routes. PMID- 29209344 TI - QTL Analysis of Transgressive Nematode Resistance in Tetraploid Cotton Reveals Complex Interactions in Chromosome 11 Regions. AB - Transgressive segregation in cotton (Gossypium spp.) provides an important approach to enhance resistance to the major pest root-knot nematode (RKN) Meloidogyne incognita. Our previous studies reported transgressive RKN resistance in an intraspecific Gossypium hirsutum resistant NemX * susceptible SJ-2 recombinant inbred line (RIL) population and early generations of interspecific cross Gossypium barbadense (susceptible Pima S-7) * G. hirsutum (NemX). However, the underlying functional mechanisms for this phenomenon are not known. In this study, the region of RKN resistance gene rkn1 on chromosome (Chr) 11 and its homoeologous Chr 21 was fine mapped with G. raimondii D5 genome reference sequence. Transgressive resistance was found in the later generation of a new RIL population F2:7 (Pima S-7 * NemX) and one interspecific F2 (susceptible Pima S-7 * susceptible SJ-2). QTL analysis revealed similar contributions to root-galling and egg-production resistance phenotypes associated with SSR marker CIR316 linked to resistance gene rkn1 in NemX on Chr 11 in all seven populations analyzed. In testcross NemX * F1 (Pima S-7 * SJ-2) marker allele CIR069-271 from Pima S-7 linked to CIR316 contributed 63% of resistance to galling phenotype in the presence of rkn1. Similarly, in RIL population F2:8 (NemX * SJ-2), SJ-2 markers closely linked to CIR316 contributed up to 82% of resistance to root-galling. These results were confirmed in BC1F1 SJ-2 * F1 (NemX * SJ-2), F2 (NemX * SJ-2), and F2 (Pima S-7 * SJ-2) populations in which up to 44, 36, and 15% contribution in resistance to galling was found, respectively. Transgressive segregation for resistance was universal in all intra- and inter-specific populations, although stronger transgressive resistance occurred in later than in early generations in the intraspecific cross compared with the interspecific cross. Transgressive effects on progeny from susceptible parents are possibly provided in the rkn1 resistance region of chromosome 11 by tandemly arrayed allele (TAA) or gene (TAG) interactions contributing to transgressive resistance. Complex TAA and TAG recombination and interactions in the rkn1 resistance region provide three genes and a model to study disease and transgressive resistance in polyploid plants, and novel genotypes for plant breeding. PMID- 29209345 TI - Differentiation of Three Centella Species in Australia as Inferred from Morphological Characteristics, ISSR Molecular Fingerprinting and Phytochemical Composition. AB - Centella asiatica is one of the popular herbs used for inflammatory and neural conditions. Its differentiation from similar species is currently lacking. The aims of this study were to differentiate the three closely related Centella species using methods based on morphological characters, genetic biodiversity, phytochemical compositions and antioxidant activities. According to the morphological characteristics, the collected samples were identified as three species: C. asiatica, Centella cordifolia and Centella erecta and clustered into three groups based on their morphometric variability. Dendogram constructed on the basis of the intersimple sequence repeats (ISSR) analyses were consistent with the morphological grouping. Centella cordifolia had the highest triterpene glycosides, phenolics and antioxidant capacity, followed by C. asiatica, then C. erecta, therefore, was genetically and chemically closer to C. asiatica, while C. erecta was distinctively different from them. The results confirm the occurrence of the closely related three species of Centella in Australia, and the differentiation among them can be achieved via the combination of morphometric, molecular and phytochemical methods. This first comparative botanical study on Centella species provides a foundation for further systematic study and medicinal development of Centella. PMID- 29209346 TI - Katanin: A Sword Cutting Microtubules for Cellular, Developmental, and Physiological Purposes. AB - KATANIN is a well-studied microtubule severing protein affecting microtubule organization and dynamic properties in higher plants. By regulating mitotic and cytokinetic and cortical microtubule arrays it is involved in the progression of cell division and cell division plane orientation. KATANIN is also involved in cell elongation and morphogenesis during plant growth. In this way KATANIN plays critical roles in diverse plant developmental processes including the development of pollen, embryo, seed, meristem, root, hypocotyl, cotyledon, leaf, shoot, and silique. KATANIN-dependent microtubule regulation seems to be under the control of plant hormones. This minireview provides an overview on available KATANIN mutants and discusses advances in our understanding of KATANIN biological roles in plants. PMID- 29209347 TI - Editorial: Epigenetic Modifications Associated with Abiotic and Biotic Stresses in Plants: An Implication for Understanding Plant Evolution. PMID- 29209348 TI - Phylogeography Study of the Siberian Apricot (Prunus sibirica L.) in Northern China Assessed by Chloroplast Microsatellite and DNA Makers. AB - There is evidence that a band of dry climate separated plants in East Asia into distinct northern and southern groups. However, few studies have focused on the arid belt in this region, especially with regard to plants. We analyzed genetic variation in 22 populations of Siberian apricot (Prunus sibirica L.), a temperate deciduous species distributed in this arid belt, using two chloroplast DNA (cpDNA) sequences, seven chloroplast microsatellite loci (cpSSRs), and 31 nuclear microsatellite loci (nSSRs), to study its phylogeography. Chloroplast data showed the complete fixation of two different genetic groups: the eastern and western groups. Genetic differentiation between the two groups was significant (FST = 0.90925, p < 0.01). This pronounced phylogeographic break was also indicated by nSSR data, but there were disparities regarding individual populations. An asymmetric gene flow via pollen and seeds likely resulted in discordance between the present-day geography of nuclear and chloroplast lineages. There was a distinct boundary between the two large groups, which were fixed for two of the most ancestral chlorotypes. Two populations with the highest chloroplast genetic diversity were located in the Yanshan Mountains and Jinzhou, considered to be the glacial refugia. The split of chloroplasts between the eastern and western groups was estimated to have occurred ~0.1795 Ma, whereas nuclear divergence occurred approximately 13,260 years ago. Linear regression analysis showed that climatic factors (annual precipitation and annual mean temperature) had a significant correlation with mean ancestry value (P < 0.05) indicated that they were potential factors for the formation of the two groups. In addition, this boundary was a contact zone between two groups from different refugia. PMID- 29209350 TI - Specific Distribution of Phosphatidylglycerol to Photosystem Complexes in the Thylakoid Membrane. AB - The thylakoid membrane is the site of photochemical and electron transport reactions of oxygenic photosynthesis. The lipid composition of the thylakoid membrane, with two galactolipids, one sulfolipid, and one phospholipid, is highly conserved among oxygenic photosynthetic organisms. Besides providing a lipid bilayer matrix, thylakoid lipids are integrated in photosynthetic complexes particularly in photosystems I and II and play important roles in electron transport processes. Thylakoid lipids are differentially allocated to photosynthetic complexes and the lipid bilayer fraction, but distribution of each lipid in the thylakoid membrane is unclear. In this study, based on published crystallographic and biochemical data, we estimated the proportions of photosynthetic complex-associated and bilayer-associated lipids in thylakoid membranes of cyanobacteria and plants. The data suggest that ~30 mol% of phosphatidylglycerol (PG), the only major phospholipid in thylakoid membranes, is allocated to photosystem complexes, whereas glycolipids are mostly distributed to the lipid bilayer fraction and constitute the membrane lipid matrix. Because PG is essential for the structure and function of both photosystems, PG buried in these complexes might have been selectively conserved among oxygenic phototrophs. The specific and substantial allocation of PG to the deep sites of photosystems may need a unique mechanism to incorporate PG into the complexes possibly in coordination with the synthesis of photosynthetic proteins and pigments. PMID- 29209349 TI - Regulation of Fig (Ficus carica L.) Fruit Color: Metabolomic and Transcriptomic Analyses of the Flavonoid Biosynthetic Pathway. AB - Combined metabolomic and transcriptomic analyses were carried out with fig cultivar Green Peel and its color mutant "Purple Peel." Five and twenty-two metabolites were identified as having significantly different contents between fruit peels of the two cultivars at young and mature stages, respectively. Cyanidin O-malonylhexoside demonstrated a 3,992-fold increase in the mature purple peel, the first identification of a major cyanidin in fig fruit; cyanidin 3-O-glucoside, cyanidin O-malonylhexoside O-hexoside and cyanidin-3,5-O diglucoside were upregulated 100-fold, revealing the anthocyanins underlying the purple mutation. Beyond the visible differences, there was very significant accumulation of the colorless flavonoids procyanidin B1, luteolin-3',7-di-O glucoside, epicatechin and quercetin-3-O-rhamnoside in the mature "Purple Peel" compared to "Green Peel." At the young stage, only cyanidin O-malonylhexoside, cyanidin O-malonylhexoside O-hexoside and esculetin were upregulated a few fold in the mutant. Transcriptome analysis revealed a downregulated expression trend of genes encoding phenylpropanoid and flavonoid biosynthetic pathway enzyme in the young "Purple Peel" compared to the young "Green Peel," whereas significant and simultaneous upregulation was revealed in almost all of the flavonoid and anthocyanin pathway components and relevant transcription factors in the mature stage mutant. The role of R2R3-MYB transcription factors in the color morph mutation and its possible relation to the activity of retrotransposons are discussed. Moreover, large-scale upregulation of small heat-shock protein genes was found in the mature mutant. This is the first work to reveal comprehensive metabolome and transcriptome network changes underlying a fig mutation in a single horticultural attribute, and its profound effects on fruit nutrition and quality. PMID- 29209351 TI - Perturbations in the Photosynthetic Pigment Status Result in Photooxidation Induced Crosstalk between Carotenoid and Porphyrin Biosynthetic Pathways. AB - Possible crosstalk between the carotenoid and porphyrin biosynthetic pathways under photooxidative conditions was investigated by using their biosynthetic inhibitors, norflurazon (NF) and oxyfluorfen (OF). High levels of protoporphyrin IX (Proto IX) accumulated in rice plants treated with OF, whereas Proto IX decreased in plants treated with NF. Both NF and OF treatments resulted in greater decreases in MgProto IX, MgProto IX methyl ester, and protochlorophyllide. Activities and transcript levels of most porphyrin biosynthetic enzymes, particularly in the Mg-porphyrin branch, were greatly down regulated in NF and OF plants. In contrast, the transcript levels of GSA, PPO1, and CHLD as well as FC2 and HO2 were up-regulated in NF-treated plants, while only moderate increases in FC2 and HO2 were observed in the early stage of OF treatment. Phytoene, antheraxanthin, and zeaxanthin showed high accumulation in NF-treated plants, whereas other carotenoid intermediates greatly decreased. Transcript levels of carotenoid biosynthetic genes, PSY1 and PDS, decreased in response to NF and OF, whereas plants in the later stage of NF treatment exhibited up-regulation of BCH and VDE as well as recovery of PDS. However, perturbed porphyrin biosynthesis by OF did not noticeably influence levels of carotenoid metabolites, regardless of the strong down-regulation of carotenoid biosynthetic genes. Both NF and OF plants appeared to provide enhanced protection against photooxidative damage, not only by scavenging of Mg-porphyrins, but also by up-regulating FC2, HO2, and Fe-chelatase, particularly with increased levels of zeaxanthin via up-regulation of BCH and VDE in NF plants. On the other hand, the up-regulation of GSA, PPO1, and CHLD under inhibition of carotenogenic flux may be derived from the necessity to recover impaired chloroplast biogenesis during photooxidative stress. Our study demonstrates that perturbations in carotenoid and porphyrin biosynthesis coordinate the expression of their biosynthetic genes to sustain plastid function at optimal levels by regulating their metabolic flux in plants under adverse stress conditions. PMID- 29209353 TI - Colombia a Source of Cacao Genetic Diversity As Revealed by the Population Structure Analysis of Germplasm Bank of Theobroma cacao L. AB - Beans of the species Theobroma cacao L., also known as cacao, are the raw material to produce chocolate. Colombian cacao has been classified as a fine flavor cacao that represents the 5% of cacao world's production. Colombian genetic resources from this species are conserved in ex situ and in-field germplasm banks, since T. cacao has recalcitrant seeds to desication and long term storage. Currently, the collection of T. cacao of the Colombian Corporation of Agricultural Research (CORPOICA) has approximately 700 germplasm accessions. We conducted a molecular analysis of Corpoica's cacao collection and a morphological characterization of some accessions with the goal to study its genetic diversity and population structure and, to select interesting accessions for the cacao's breeding program. Phenotypic evaluation was performed based on 18 morphological traits and 4 biochemical traits. PCA analysis of morphological traits explained 60.6% of the total variation in seven components and 100% of the total variation of biochemical traits in four components, grouping the collection in 4 clusters for both variables. We explored 565 accessions from Corpoica's germplasm and 252 accessions from reference populations using 96 single nucleotide polymorphism (SNP) molecular markers. Molecular patterns of cacao Corpoica's collection were obtained amplifying specific alleles in a Fluidigm platform that used integrated circuits of fluids. Corpoica's collection showed highest genetic diversity [Expected Heterozygosity (HE = 0.314), Observed Heterozygosity (HO = 0.353)] that is reduced when reference populations were included in the dataset (HE = 0.294, HO = 0.261). The collection was divided into four clusters based on population structure analysis. Cacao accessions from distinct groups showed some taxonomic concordance and reflected their geographic origins. For instance, accessions classified as Criollo were clearly differentiated in one group and we identified two new Colombian genetic groups. Using a number of allelic variations based on 87 SNP markers and 22 different morphological/biochemical traits, a core collection with a total of 232 accessions was selected as a primary genetic resource for cacao breeders. PMID- 29209352 TI - Melatonin Attenuates Potato Late Blight by Disrupting Cell Growth, Stress Tolerance, Fungicide Susceptibility and Homeostasis of Gene Expression in Phytophthora infestans. AB - Phytophthora infestans (P. infestans) is the causal agent of potato late blight, which caused the devastating Irish Potato Famine during 1845-1852. Until now, potato late blight is still the most serious threat to potato growth and has caused significant economic losses worldwide. Melatonin can induce plant innate immunity against pathogen infection, but the direct effects of melatonin on plant pathogens are poorly understood. In this study, we investigated the direct effects of melatonin on P. infestans. Exogenous melatonin significantly attenuated the potato late blight by inhibiting mycelial growth, changing cell ultrastructure, and reducing stress tolerance of P. infestans. Notably, synergistic anti-fungal effects of melatonin with fungicides on P. infestans suggest that melatonin could reduce the dose levels and enhance the efficacy of fungicide against potato late blight. A transcriptome analysis was carried out to mine downstream genes whose expression levels were affected by melatonin. The analysis of the transcriptome suggests that 66 differentially expressed genes involved in amino acid metabolic processes were significantly affected by melatonin. Moreover, the differentially expressed genes associated with stress tolerance, fungicide resistance, and virulence were also affected. These findings contribute to a new understanding of the direct functions of the melatonin on P. infestans and provide a potential ecofriendly biocontrol approach using a melatonin-based paradigm and application to prevent potato late blight. PMID- 29209354 TI - How Glucosinolates Affect Generalist Lepidopteran Larvae: Growth, Development and Glucosinolate Metabolism. AB - Multiple lepidopteran larvae feed successfully on plants containing glucosinolates despite the diverse array of toxic and deterrent breakdown products, such as isothiocyanates (ITCs), formed upon plant damage. While much is known about how specialist lepidopterans metabolize and tolerate glucosinolates, there is little information about the metabolic fate of these plant defense compounds in specialized herbivores. Employing 13C- and 14C-labeled 4 methylsulfinylbutyl glucosinolate (glucoraphanin), we identified and quantified the major detoxification products of glucosinolates and ITCs in selected specialized and generalist larvae. While specialists prevented glucosinolate hydrolysis or diverted hydrolysis to form nitriles, hydrolysis in generalists proceeded to toxic ITCs, of which a portion were conjugated to glutathione. However, a large amount of ITCs remained unmodified, which may have led to the observed negative effects on growth and development. The performance of two generalist-feeding caterpillars, Spodoptera littoralis (African cotton leafworm) and Mamestra brassicae (cabbage moth) on Arabidopsis thaliana Col-0 and various glucosinolate-deficient mutants was investigated from hatching until pupation. We found that glucosinolates negatively affected larval growth and development, but not survival, with aliphatic glucosinolates having stronger effects than indolic glucosinolates, and the combination of the two glucosinolate types being even more detrimental to growth and development. Curiously, last instar larvae grew better on wild type than on non-glucosinolate-containing plant lines, but this could not be attributed to a change in detoxification rate or feeding behavior. Glucosinolates thus appear to be effective defenses against generalist lepidopteran herbivores at least during most stages of larval development. Nevertheless, the reversal of negative effects in the oldest instar is intriguing, and further investigation of this phenomenon may shed light on how generalists adjust their physiology to feed on diets with many different types of plant defense compounds. PMID- 29209356 TI - Corrigendum: Genetic Diversity, Population Structure, and Linkage Disequilibrium of an Association-Mapping Panel Revealed by Genome-Wide SNP Markers in Sesame. AB - [This corrects the article on p. 1189 in vol. 8, PMID: 28729877.]. PMID- 29209355 TI - Flocculation of Chlamydomonas reinhardtii with Different Phenotypic Traits by Metal Cations and High pH. AB - Concentrating algal cells by flocculation as a prelude to centrifugation could significantly reduce the energy and cost of harvesting the algae. However, how variation in phenotypic traits such as cell surface features, cell size and motility alter the efficiency of metal cation and pH-induced flocculation is not well understood. Our results demonstrate that both wild-type and cell wall deficient strains of the green unicellular alga Chlamydomonas reinhardtii efficiently flocculate (>90%) at an elevated pH of the medium (pH 11) upon the addition of divalent cations such as calcium and magnesium (>5 mM). The trivalent ferric cation (at 10 mM) proved to be essential for promoting flocculation under weak alkaline conditions (pH ~8.5), with a maximum efficiency that exceeded 95 and 85% for wild-type CC1690 and the cell wall-deficient sta6 mutant, respectively. Near complete flocculation could be achieved using a combination of 5 mM calcium and a pH >11, while the medium recovered following cell removal could be re-cycled without affecting algal growth rates. Moreover, the absence of starch in the cell had little overall impact on flocculation efficiency. These findings contribute to our understanding of flocculation in different Chlamydomonas strains and have implications with respect to inexpensive methods for harvesting algae with different phenotypic traits. Additional research on the conditions (e.g., pH and metal ions) used for efficient flocculation of diverse algal groups with diverse characteristics, at both small and large scale, will help establish inexpensive procedures for harvesting cell biomass. PMID- 29209357 TI - HOTAIR: A Promising Long Non-coding RNA with Potential Role in Breast Invasive Carcinoma. PMID- 29209358 TI - Draft of Zucchini (Cucurbita pepo L.) Proteome: A Resource for Genetic and Genomic Studies. PMID- 29209359 TI - Wnt/beta-catenin Signaling Pathway Regulates Specific lncRNAs That Impact Dermal Fibroblasts and Skin Fibrosis. AB - Wnt/beta-catenin signaling is required for embryonic dermal fibroblast cell fate, and dysregulation of this pathway is sufficient to promote fibrosis in adult tissue. The downstream modulators of Wnt/beta-catenin signaling required for controlling cell fate and dermal fibrosis remain poorly understood. The discovery of regulatory long non-coding RNAs (lncRNAs) and their pivotal roles as key modulators of gene expression downstream of signaling cascades in various contexts prompted us to investigate their roles in Wnt/beta-catenin signaling. Here, we have identified lncRNAs and protein-coding RNAs that are induced by beta catenin activity in mouse dermal fibroblasts using next generation RNA sequencing. The differentially expressed protein-coding mRNAs are enriched for extracellular matrix proteins, glycoproteins, and cell adhesion, and many are also dysregulated in human fibrotic tissues. We identified 111 lncRNAs that are differentially expressed in response to activation of Wnt/beta-catenin signaling. To further characterize the role of mouse lncRNAs in this pathway, we validated two novel Wnt signaling- Induced Non-Coding RNA (Wincr) transcripts referred to as Wincr1 and Wincr2. These two lncRNAs are highly expressed in mouse embryonic skin and perinatal dermal fibroblasts. Furthermore, we found that Wincr1 expression levels in perinatal dermal fibroblasts affects the expression of key markers of fibrosis (e.g., Col1a1 and Mmp10), enhances collagen contraction, and attenuates collective cell migration. Our results show that beta-catenin signaling-responsive lncRNAs may modulate dermal fibroblast behavior and collagen accumulation in dermal fibrosis, providing new mechanistic insights and nodes for therapeutic intervention. PMID- 29209360 TI - Assortative Mating by Ethnicity in Longevous Families. AB - Recent work shows strong evidence of ancestry-based assortative mating in spouse pairs of the older generation of the Framingham Heart Study. Here, we extend this analysis to two studies of human longevity: the Long Life Family Study (LLFS), and the New England Centenarian Study (NECS). In the LLFS, we identified 890 spouse pairs spanning two generations, while in the NECS we used data from 102 spouse pairs including offspring of centenarians. We used principal components of genome-wide genotype data to demonstrate strong evidence of ancestry-based assortative mating in spouse pairs of the older generation and also confirm the decreasing trend of endogamy in more recent generations. These findings in studies of human longevity suggest that spouses marrying into longevous families may not be powerful controls for genetic association studies, and that there may be important ethnicity-specific, genetic influences and/or gene-environment interactions that influence extreme survival in old generations. In addition, the decreasing trend of genetic similarity of more recent generations might have ramifications for the incidence of homozygous rare variants necessary for survival to the most extreme ages. PMID- 29209361 TI - Crotalus durissus terrificus crotapotin naturally displays preferred positions for amino acid substitutions. AB - Background: Classically, Crotalus durissus terrificus (Cdt) venom can be described, according to chromatographic criteria, as a simple venom, composed of four major toxins, namely: gyroxin, crotamine, crotoxin and convulxin. Crotoxin is a non-covalent heterodimeric neurotoxin constituted of two subunits: an active phospholipase A2 and a chaperone protein, termed crotapotin. This molecule is composed of three peptide chains connected by seven disulfide bridges. Naturally occurring variants/isoforms of either crotoxin or crotapotin itself have already been reported. Methods: The crude Cdt venom was separated by using RP-HPLC and the toxins were identified by mass spectrometry (MS). Crotapotin was purified, reduced and alkylated in order to separate the peptide chains that were further analyzed by mass spectrometry and de novo peptide sequencing. Results: The RP HPLC profile of the isolated crotapotin chains already indicated that the alpha chain would present isoforms, which was corroborated by the MS and tandem mass spectrometry analyses. Conclusion: It was possible to observe that the Cdt crotapotin displays a preferred amino acid substitution pattern present in the alpha chain, at positions 31 and 40. Moreover, substitutions could also be observed in beta and gamma chains (one for each). The combinations of these four different peptides, with the already described chains, would produce ten different crotapotins, which is compatible to our previous observations for the Cdt venom. PMID- 29209362 TI - Search for an Appropriate Behavior within the Emotional Regulation in Virtual Creatures Using a Learning Classifier System. AB - Emotion regulation is a process by which human beings control emotional behaviors. From neuroscientific evidence, this mechanism is the product of conscious or unconscious processes. In particular, the mechanism generated by a conscious process needs a priori components to be computed. The behaviors generated by previous experiences are among these components. These behaviors need to be adapted to fulfill the objectives in a specific situation. The problem we address is how to endow virtual creatures with emotion regulation in order to compute an appropriate behavior in a specific emotional situation. This problem is clearly important and we have not identified ways to solve this problem in the current literature. In our proposal, we show a way to generate the appropriate behavior in an emotional situation using a learning classifier system (LCS). We illustrate the function of our proposal in unknown and known situations by means of two case studies. Our results demonstrate that it is possible to converge to the appropriate behavior even in the first case; that is, when the system does not have previous experiences and in situations where some previous information is available our proposal proves to be a very powerful tool. PMID- 29209363 TI - A New Approach for Mobile Advertising Click-Through Rate Estimation Based on Deep Belief Nets. AB - In recent years, with the rapid development of mobile Internet and its business applications, mobile advertising Click-Through Rate (CTR) estimation has become a hot research direction in the field of computational advertising, which is used to achieve accurate advertisement delivery for the best benefits in the three side game between media, advertisers, and audiences. Current research on the estimation of CTR mainly uses the methods and models of machine learning, such as linear model or recommendation algorithms. However, most of these methods are insufficient to extract the data features and cannot reflect the nonlinear relationship between different features. In order to solve these problems, we propose a new model based on Deep Belief Nets to predict the CTR of mobile advertising, which combines together the powerful data representation and feature extraction capability of Deep Belief Nets, with the advantage of simplicity of traditional Logistic Regression models. Based on the training dataset with the information of over 40 million mobile advertisements during a period of 10 days, our experiments show that our new model has better estimation accuracy than the classic Logistic Regression (LR) model by 5.57% and Support Vector Regression (SVR) model by 5.80%. PMID- 29209364 TI - Genetic Algorithm for Traveling Salesman Problem with Modified Cycle Crossover Operator. AB - Genetic algorithms are evolutionary techniques used for optimization purposes according to survival of the fittest idea. These methods do not ensure optimal solutions; however, they give good approximation usually in time. The genetic algorithms are useful for NP-hard problems, especially the traveling salesman problem. The genetic algorithm depends on selection criteria, crossover, and mutation operators. To tackle the traveling salesman problem using genetic algorithms, there are various representations such as binary, path, adjacency, ordinal, and matrix representations. In this article, we propose a new crossover operator for traveling salesman problem to minimize the total distance. This approach has been linked with path representation, which is the most natural way to represent a legal tour. Computational results are also reported with some traditional path representation methods like partially mapped and order crossovers along with new cycle crossover operator for some benchmark TSPLIB instances and found improvements. PMID- 29209365 TI - Immune and Inflammatory Responses of the Intestinal Mucosa following Extended Liver Radiofrequency Ablation. AB - Background and Aim: Extended liver radiofrequency ablation (RFA) has been shown to disrupt gut barrier integrity with subsequent bacterial translocation. The aim of the present project was to study the immune and inflammatory responses of the intestinal mucosa after extended RFA of the liver. Methods: Twelve Wistar rats were either subjected to RFA of the left lateral hepatic lobe (approximately 30% of the liver mass) after midline laparotomy (group RFA, n = 6) or sham operation (group Sham, n = 6). Forty-eight hours later, ileal tissue specimens were excised for immunohistochemical assessment of CD68+ macrophages, CD4+ T-lymphocytes, CD8+ T-lymphocytes, mucosal addressin cell adhesion molecule-1 (MAdCAM-1), tumor necrosis factor-alpha (TNFalpha), interleukin-6 (IL-6), and nuclear factor-kappaB (NFkappaB) expression. Results: Immune response biomarkers were upregulated in the RFA group. Expression of CD4+ and CD8+ T-lymphocytes was moderate, while that of CD68+ macrophages and MAdCAM-1 was high. Inflammatory response biomarkers were also upregulated in the RFA group. TNFalpha, IL-6, and NFkappaB expression was low, moderate, and high, respectively. Conclusions: Extended liver RFA evokes both immune and inflammatory responses of the gut mucosa. PMID- 29209366 TI - Comment on "Identification of Differentially Expressed Genes in Pituitary Adenomas by Integrating Analysis of Microarray Data". PMID- 29209367 TI - Functional Characterization of Preadipocytes Derived from Human Periaortic Adipose Tissue. AB - Adipose tissue can affect the metabolic control of the cardiovascular system, and its anatomic location can affect the vascular function differently. In this study, biochemical and phenotypical characteristics of adipose tissue from periaortic fat were evaluated. Periaortic and subcutaneous adipose tissues were obtained from areas surrounding the ascending aorta and sternotomy incision, respectively. Adipose tissues were collected from patients undergoing myocardial revascularization or mitral valve replacement surgery. Morphological studies with hematoxylin/eosin and immunohistochemical assay were performed in situ to quantify adipokine expression. To analyze adipogenic capacity, adipokine expression, and the levels of thermogenic proteins, adipocyte precursor cells were isolated from periaortic and subcutaneous adipose tissues and induced to differentiation. The precursors of adipocytes from the periaortic tissue accumulated less triglycerides than those from the subcutaneous tissue after differentiation and were smaller than those from subcutaneous adipose tissue. The levels of proteins involved in thermogenesis and energy expenditure increased significantly in periaortic adipose tissue. Additionally, the expression levels of adipokines that affect carbohydrate metabolism, such as FGF21, increased significantly in mature adipocytes induced from periaortic adipose tissue. These results demonstrate that precursors of periaortic adipose tissue in humans may affect cardiovascular events and might serve as a target for preventing vascular diseases. PMID- 29209368 TI - Corrigendum to "Prevalence of Fracture Risk Factors in Postmenopausal Women Enrolled in the POSSIBLE US Treatment Cohort". AB - [This corrects the article DOI: 10.1155/2013/715025.]. PMID- 29209369 TI - Detailed Componential Characterization of Extractable Species with Organic Solvents from Wheat Straw. AB - Componential analysis of extractives is important for better understanding the structure and utilization of biomass. In this investigation, wheat straw (WS) was extracted with petroleum ether (PE) and carbon disulfide (CS2) sequentially, to afford extractable fractions EFPE and EFCS2, respectively. Detailed componential analyses of EFPE and EFCS2 were carried out with Fourier transform infrared (FTIR) spectroscopy, gas chromatography/mass spectrometry (GC/MS), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), energy dispersive spectrometry (EDS), and electron probe microanalysis (EPMA). Total extractives were quantified 4.96% by weight compared to the initial WS sample. FTIR and GC/MS analyses results showed that PE was effective for the extraction of ketones and waxes derived compounds; meanwhile CS2 preferred ketones and other species with higher degrees of unsaturation. Steroids were enriched into EFPE and EFCS2 with considerable high relative contents, namely, 64.52% and 79.58%, respectively. XPS analysis showed that most of the C atoms in extractives were contained in the structures of C-C, C-COOR, and C-O. TEM-EDS and EPMA analyses were used to detect trace amount elements, such as Al, Si, P, S, Cl, and Ca atoms. Detailed characterization of extractable species from WS can provide more information on elucidation of extractives in biomass. PMID- 29209370 TI - Cross-Cultural Validation of Urdu Version KOOS in Indian Population with Primary Knee Osteoarthritis. AB - Purpose: The primary aim of this study was to translate a self-reported questionnaire (KOOS) from English to Urdu and then to see its internal consistency, agreement, test-retest reliability, and validity among primary OA knee patients. Methodology: First, KOOS questionnaire was translated from English language to Urdu through standardized cross-cultural protocol. This translated version of KOOS was administered to 111 radiographically diagnosed primary OA knee patients at two times with 48-hour interval in-between. Cronbach's alpha, floor and ceiling effect, intraclass correlation coefficient (ICC), absolute agreement %, and Spearman correlation were used to fulfill our objectives. Results: Average time to administer this questionnaire was 20 minutes. There was good internal consistency with Cronbach's alpha ranging from 0.7246 to 0.9139. The absolute agreement of each item between two tests ranged from 81.08% to 98.20%. Test-retest reliability was excellent ("r" ranged from 0.9673 to 0.9782). There was no ceiling effect; however less than 4% floor effect was seen in two subscales. There was significant difference that existed between different X-ray grades in all subscales meaning good content validity for disease prognosis. Conclusion: The present results show that KOOS Urdu version is a reliable and valid measure for primary OA knee patients. PMID- 29209371 TI - Corrigendum to "Dengue Virus NS1 Protein as a Diagnostic Marker: Commercially Available ELISA and Comparison to qRT-PCR and Serological Diagnostic Assays Currently Used by the State of Florida". AB - [This corrects the article DOI: 10.1155/2017/8072491.]. PMID- 29209372 TI - Heat shock protein 27 plays a protective role in thoracic aortic dissection by promoting cell proliferation and inhibiting apoptosis. AB - Background: Thoracic aortic dissection (TAD) is one of the most severe aortic diseases. The study aimed to explore the potential role of heat shock protein 27 (HSP27) in the pathogenesis of TAD using an in vitro model of oxidative stress in vascular smooth muscle cells (VSMCs). Methods: HSP27 was analyzed in aortic surgical specimens from 12 patients with TAD and 8 healthy controls. A lentiviral vector was used to overexpress HSP27 in rat aortic VSMCs. Cell proliferation and apoptosis were measured under oxidative stress induced by H2O2. Results: HSP27 expression was significantly higher in aortic tissue from patients with TAD and VSMCs in the aortic media were the main cell type producing HSP27. Elevated oxidative stress was also detected in the TAD samples. Overexpression of HSP27 significantly attenuated H2O2-induced inhibition of cell proliferation. Furthermore, HSP27 was found to decrease H2O2-induced cell apoptosis and oxidative stress. Conclusions: These results suggest that HSP27 expression promotes VSMC viability, suppresses cell apoptosis, and confers protection against oxidative stress in TAD. PMID- 29209373 TI - The Influence of Traditional Culture and the Interpersonal Psychological Theory on Suicide Research in Korea. AB - Korea has the highest suicide rate amongst the OECD countries. Yet, its research on suicidal behaviors has been primitive. While the Interpersonal Psychological Theory of Suicide has gained global attention, there has only been a few researches, which examined its applicability in Korea. In this article, we review the previous studies on suicide and examine the association between the Interpersonal Psychological Theory of Suicide and traditional Korean culture, with an emphasis on Collectivism and Confucianism. We propose that pathways to suicide might vary depending on cultural influences. Clinical implications and suggestions for future research will be discussed. PMID- 29209374 TI - Mental Health Assessment of South Korean Adults on Probation. AB - Objective: The association of offender mental illness (including those on probation) with crime has long been the subject of social interest; however, systematic management has been insufficient. The study purpose was to analyze mental illness prevalence, proportion of first offenses and recidivism with the mental illness of those on probation. Methods: A total of 206 adults on probation were divided into groups (first offenders and repeat offenders) and they completed self-report instruments and clinical interviews designed to diagnose mental illness. Results: The mental illness prevalence among those on probation was considerably higher than that of the general population, and having mental illness was related to re-sentencing probation or recidivism. In particular, alcohol use disorder, major depressive episode, manic/hypomanic episode, and antisocial personality disorder were shown to affect recidivism. Conclusion: To achieve the ultimate purpose of probation, social and systematic intervention on a mental health and medical basis may be required. PMID- 29209375 TI - Association of Anxiety, Depression, and Somatization with Menstrual Problems among North Korean Women Defectors in South Korea. AB - Objective: North Korean women defectors have suffered from anxiety, depression, and somatization after defection. Also they have had many menstrual problems like amenorrhea. This study was done to identify the correlations of anxiety, depression, and somatization to menstrual problems among North Korean woman defectors in South Korea. Methods: The participants in this study were 126 women from 5 government resettlement centers throughout South Korea. Questionnaires which included State-Trait Anxiety Inventory (STAI), Center for Epidemiological studies-Depression Scale (CED-S), and Symptom Checklist-90-Revised (SCL-90-R) were used to identify anxiety and somatization. Data were collected between June and September, 2012. Results: The women reported the following problems; amenorrhea (9.5%), hypomenorrhea (13.6%), menorrhagia (19.8%), polymenorrhea (13.5%), oligomenorrhea (4.8%), changes in amount of menstrual discharge (4.0%), and changes in amount of blood clot (9.5%). Anxiety (r=0.20, p=0.002), depression (r=0.25, p=0.005), and Somatization (r=0.35, p<0.001) were correlated with number of menstrual problems. Conclusion: The results of this study indicate that mental health services need to be taken into account in interventions for North Korean woman defectors to improve their reproductive health including addressing menstrual problems. PMID- 29209376 TI - Feasibility of Psychosocial Distress Screening and Management Program for Hospitalized Cancer Patients. AB - Objective: Although the diagnosis and treatment of cancer is associated with psychosocial distress, routine distress screening is difficult in hospitalized oncology settings. We developed a consecutive screening program for psychosocial distress to promote psychiatric treatment of cancer patients and evaluated the feasibility of our program by Distress Thermometer (DT) and Hospital Anxiety and Depression Scale (HADS). Methods: Among 777 cancer inpatients recruited from the Catholic Comprehensive Institute of Seoul St. Mary's Hospital, 499 agreed to complete primary distress screening through DT. We conducted secondary distress screening through HADS in 229 patients who had high scores of DT. Results: Of the 499 participants, 270 patients with low scores of DT were included in the distress education program. 229 patients with high scores of DT received secondary distress screening through HADS. Among 115 patients with low scores of HADS, 111 patients received distress management. Among 114 patients with high scores in the secondary distress screening, 38 patients received psychiatric consultation service whereas 76 patients refused psychiatric consultation. Conclusion: Using consecutive screening for psychosocial distress appeared to be feasible in an inpatient oncology setting. Nevertheless, the low participation rate of psychiatric consultation service in cancer patients with high distress level should be improved. PMID- 29209377 TI - Pain in Patients with Dystrophic Epidermolysis Bullosa: Association with Anxiety and Depression. AB - Objective: We investigate the presence and the quality of pain in patients with dystrophic epidermolysis bullosa (DEB), and its correlation with the level of anxiety and depression. Methods: We collected data from 27 DEB patients and 26 healthy individuals. DEB patients and controls completed 1 scale for the quality of pain, and 1 scale for anxiety and depression. Pain was assessed with the short form of the McGill Pain Questionnaire, whereas anxiety and depression were assessed with the Hamilton rating scale for anxiety and depression. Results: DEB patients and healthy control individuals were homogeneous for age and gender (p>0.05). A statistically significant difference in the two groups was seen for sensory pain rating scale (p<0.001), affective pain rating scale (p=0.029), total pain rating scale (p<0.001), visual analogue scale (p=0.012) and present pain intensity (p=0.001), but not for anxiety (p=0.169) and depression (p=0.530). The characteristics of pain that showed a significant difference between DEB patients and healthy controls were shooting, splitting, tender and throbbing (p<0.05). In DEB patients pain was not correlated with anxiety or depression (p>0.05), whereas a slight correlation between pain and anxiety was found in healthy controls (p<0.05). No difference was found between quality of pain and anxiety-depression in DEB patients (p>0.05), but was between the DEB dominant and the recessive form of DEB (p=0.025). Conclusion: The perception of pain in DEB patients appears greater than in healthy individuals, with splitting and tender characteristics being the most significant ones, but was not associated with anxious and/or depressive symptoms. PMID- 29209378 TI - Extrapyramidal Signs and Risk of Progression from Mild Cognitive Impairment to Dementia: A Clinical Research Center for Dementia of South Korea Study. AB - Objective: Extrapyramidal signs (EPS) are common in patients with mild cognitive impairment (MCI). However, few studies have assessed the effect of EPS on the clinical course of MCI. We aimed to evaluate whether patients with EPS show more frequent progression from MCI to Alzheimer's disease (AD) and to other types of dementia. Methods: Participants (n=882) with MCI were recruited, and were followed for up to 5 years. The EPS positive group was defined by the presence of at least one EPS based on a focused neurologic examination at baseline. Results: A total of 234 converted to dementia during the follow-up period. The risk of progression to AD was lower in the patients with EPS after adjusting for potential confounders [hazard ratio (HR)=0.70, 95% confidence interval (CI)=0.53 0.93, p=0.01]. In contrast, the patients with EPS had a six-fold elevated risk of progression to dementia other than AD (HR=6.33, 95%CI=2.30-17.39, p<0.001). Conclusion: EPS in patients with MCI is a strong risk factor for progression of MCI to non-Alzheimer dementia. The careful neurologic examination for EPS in patients with MCI can yield important clinical information for prognosis. PMID- 29209379 TI - Gender Differences in Suicidal Ideation and Related Factors among North Korean Refugees in South Korea. AB - Objective: According to previous social survey, a high number of North Korean refugees (NKRs) in South Korea had suicidal ideation. The purpose of this study is to examine the related factors for suicidal ideation among NKRs by gender in South Korea. Methods: We examined the sample of NKRs, 701 subjects (men=160, women=-541) residing in South Korea, the participants were enrolled from October 2008 to May 2014. The related factors with suicidal ideation in NKRs were analyzed via a logistic regression analysis. Results: Refugee women were more likely to have suicidal ideation than men were. Although thoughts of suicide do not necessarily mean that they will follow through, however, there is an association that the higher rate of suicide also results in a higher rate of attempted suicide. In both genders, they tended to think more frequently about suicide who had stayed in South Korea for more than 5 years. In addition, higher frequencies of suicidal ideation also associated with higher level of perceived stress in both genders. Conclusion: The gender difference should be addressed when designing suicide prevention interventions among the North Korean population in South Korea. PMID- 29209380 TI - Health Care Utilization and Expenditures of Patients with Diabetes Comorbid with Depression Disorder: A National Population-Based Cohort Study. AB - Objective: The study investigated to compare health care utilization and expenditures between diabetic patients with and without depression in Taiwan. Methods: Health care utilization and expenditure among diabetic patients with and without depression disorder during 2000 and 2004 were examined using Taiwan's population-based National Health Insurance claims database. Health care utilization included outpatient visits and the use of inpatient services, and health expenditures were outpatient, inpatient, and total medical expenditures. Moreover, general estimation equation models were used for analyzing the factors associated with outpatient visits and expenditures. Multiple logistic regression analysis was applied for identifying the factors associated with hospitalization. Results: The average annual outpatient visits and annual total medical expenditures in the study period were 44.23-52.20; NT$87,496-133,077 and 30.75 32.92; NT$64,411-80,955 for diabetic patients with and without depression. After adjustment for covariates, our results revealed that gender and complication were associated with out-patient visits. Moreover, the time factor was associated with the total medical expenditure, and residential urbanization and complication factors were associated with hospitalization. Conclusion: Health care utilization and expenditures for diabetic patients with depression were significantly higher than those without depression. Sex, complications, time, and urbanization are the factors associated with health care utilization and expenditures. PMID- 29209382 TI - Listening to Sentences in Noise: Revealing Binaural Hearing Challenges in Patients with Schizophrenia. AB - Objective: The present, case-control, study investigates binaural hearing performance in schizophrenia patients towards sentences presented in quiet and noise. Methods: Participants were twenty-one healthy controls and sixteen schizophrenia patients with normal peripheral auditory functions. The binaural hearing was examined in four listening conditions by using the Malay version of hearing in noise test. The syntactically and semantically correct sentences were presented via headphones to the randomly selected subjects. In each condition, the adaptively obtained reception thresholds for speech (RTS) were used to determine RTS noise composite and spatial release from masking. Results: Schizophrenia patients demonstrated significantly higher mean RTS value relative to healthy controls (p=0.018). The large effect size found in three listening conditions, i.e., in quiet (d=1.07), noise right (d=0.88) and noise composite (d=0.90) indicates statistically significant difference between the groups. However, noise front and noise left conditions show medium (d=0.61) and small (d=0.50) effect size respectively. No statistical difference between groups was noted in regards to spatial release from masking on right (p=0.305) and left (p=0.970) ear. Conclusion: The present findings suggest an abnormal unilateral auditory processing in central auditory pathway in schizophrenia patients. Future studies to explore the role of binaural and spatial auditory processing were recommended. PMID- 29209381 TI - Do Patients Want to Listen to a Diagnosis of Dementia in Korea? Preferences on Disclosing a Diagnosis of Dementia and Discussing Advance Care Planning in Elderly Patients with Memory Concerns and Their Families. AB - Objective: In this study, we aimed to investigate preferences regarding the disclosure of a dementia diagnosis and advance care planning (ACP) in patients with memory complaints and their families. Methods: A total of 98 patients who visited the department of psychiatry at a tertiary hospital with memory complaints and 62 family members completed a structured questionnaire. The questionnaire included preferences on disclosure of dementia and cancer diagnosis, awareness and preferences on ACP. Results: In total, 96.9% of patients were willing to know their dementia diagnosis. There were no significant differences in preferences between the diagnosis of cancer and dementia. Only 24.7% of patients and 45.8% of family members have heard of ACP. However, 82.8% of patients agreed on the necessity of ACP under the current condition. Multivariate analysis revealed that younger patients were more likely to agree with necessity for ACP under the current condition. Conclusion: In Korea, patients with memory complaints and their family members strongly favored a disclosure of dementia diagnosis. The majority of participants also agreed on the necessity of ACP. More active involvement of patients is needed in treatment decisions and care planning in cases of dementia as well as other life threatening illnesses. PMID- 29209383 TI - Psychological Problems of Pneumothorax According to Resilience, Stress, and Post Traumatic Stress. AB - Objective: The aims of the study were to investigate psychological distress in pneumothorax patients. Methods: A cohort study was performed in 101 patients with spontaneous pneumothorax. They were divided into three groups: (A) under 19 years old, (B) those of an intermediate age, and (C) over 45 years old. General well being [Psychological Wellbeing Index-Short Form (PWI-SF)], traumatic event [Impact of Event Scale (IES)], and resilience [Life Orientation Test-Revised (LOT R)] were assessed. Results: There were 35 patients in Group A, 51 in B, and 15 in C. The mean length of hospital stay was five days in all patients. The overall recurrence rate after surgery was 8%. All patients were under severe stress and reported an average PWI-SF score of 39. The IES score was 27, which did not meet the criteria for post-traumatic stress disorder but was higher in Group C than in the other groups (p=0.02). Age and operation were significant factors for a high IES, but age was the only significant factor according to multivariate analysis. Conclusion: Pneumothorax patients may be at high risk for severe stress. Moreover, post-traumatic stress was higher in elderly patients. Actions to reduce the psychological problems in these patients are required. PMID- 29209384 TI - Association between Healthcare Utilization and Depression in Korean Women with Cardiovascular Conditions. AB - Objective: This study aimed to examine the associations between depression and both coronary artery disease (CAD) and cardiovascular risk factors (CVRs) in Korean women. Furthermore, this study sought to determine whether depression was associated with use of healthcare services in women with CAD or CVRs. Methods: This cross-sectional study was conducted on 26,335 women who were aged 19 years or older, and who participated in the Korean National Health and Nutrition Examination Survey (2007-2014). Associations of prior diagnosis of depression with CAD and CVRs and with nonutilization of healthcare services were investigated. Results: Women with depression had a higher prevalence of CAD and CVRs including obesity, hypertension, dyslipidemia, and metabolic syndrome than those without depression. In addition, depression was significantly associated with nonutilization of healthcare services in women with most CVRs. Conclusion: Considering the high rate of comorbid depression with CAD or CVRs and the low lvels of health service utilization in depressed patients, screening for common CVRs, such as obesity, hypertension, and dyslipidemia, should be provided for patients with depression in mental health care settings. PMID- 29209385 TI - The Role of Uncontrolled Eating and Screen Time in the Link of Attention Deficit Hyperactivity Disorder with Weight in Late Childhood. AB - Objective: The aim of this study was to examine the mediating roles of uncontrolled eating and sedentary behaviours in the link of attention deficit hyperactivity disorder (ADHD) and weight. Methods: A total of 352 children in fifth and sixth grade participated in the present study by completing the self rated Three-Factor Eating Questionnaire and Children of Alcoholics Screening Test during regular classes. An additional questionnaire completed by their parents provided information about the children's ADHD and emotional symptoms, sedentary behaviour based on screen time, and parental variables. The questionnaires were surveyed within one week after their schools' annual physical check-up. Results: Hierarchical regression analyses revealed that uncontrolled eating was complete mediator in association between ADHD symptoms and body mass index (BMI) for boys, incomplete mediator for girls. However, screen time had no significant effect on the ADHD symptoms-BMI link for both gender. Conclusion: The findings of this study suggest that gender specific intervention programs may be need to help eating behaviour in children with ADHD and overweight. PMID- 29209386 TI - Medical and Psychiatric Comorbidities in Korean Children and Adolescents with Attention-Deficit/Hyperactivity Disorder. AB - Objective: Attention-deficit/hyperactivity disorder (ADHD) is associated with a high rate of comorbid disorders. We aimed to investigate the medical and psychiatric comorbidities of Korean children and adolescents with ADHD. Methods: Data were obtained from Korean National Health Insurance Review and Assessment Service-National Patient Sample (HI-RA-NPS) for 2011. We included 2,140 (mean age, 10.9+/-3.1 years; boys, 1,710) and 219,410 (non-ADHD; mean age, 12.4+/-3.7 years; boys, 113,704) children and adolescents with and without ADHD, respectively. We compared medical and psychiatric comorbidities between the groups, and performed weighted logistic regression analyses to obtain odds ratios (ORs) and 95% confidence intervals (CIs). Results: Most medical comorbidities were more likely in patients with ADHD and included nervous system disease (OR, 2.59; 95% CI, 2.52-2.66); endocrine, nutritional, and metabolic disease (OR, 2.09; 95% CI, 2.04-2.15); and congenital malformations, deformations, and chromosomal abnormalities (OR, 2.00; 95% CI, 1.90-2.11). Oppositional defiant disorder and conduct disorder were more prevalent in patients with ADHD (OR, 81.88; 95% CI, 79.00-84.86), followed by learning (OR, 75.61; 95% CI, 69.69 82.04), and depressive disorders (OR, 55.76; 95% CI, 54.44-57.11). Conclusion: Our results suggest that Korean children and adolescents with ADHD are more likely to suffer medical and psychiatric comorbidities than those without ADHD. PMID- 29209387 TI - Spicy Food Preference and Risk for Alcohol Dependence in Korean. AB - Objective: Previous studies have reported that both preference for spicy food and drinking behavior are associated with the activity of the opioid system in the central nervous system. The relationship between the preference for spicy food and the risk of alcohol dependence by comparing spicy food preference in alcohol dependent patients vs. healthy controls was investigated. Also the association between the preference for spicy food and OPRM1 A118G was studied. Methods: A total of 150 Korean male patients with alcohol dependence and 100 normal male control subjects were included in this study. Preference for spicy food was measured using the Food Preference Scale (FPS). DNA analysis was conducted to detect the A118G polymorphism. Results: The mean FPS score was significantly higher in the alcohol-dependent patients (61.2+/-24.2) than in the normal control subjects (53.0+/-22.0). FPS scores differed significantly between alcohol dependent patients and normal control subjects who had the G allele in OPRM1 A118G, but not between the two groups with the AA genotype. Conclusion: A strong preference for spicy food can be assumed to be a risk factor for alcohol dependence, particularly in those carrying the G allele in OPRM1 A118G. PMID- 29209388 TI - A Genome-Wide Association Study Identifies UTRN Gene Polymorphism for Restless Legs Syndrome in a Korean Population. AB - Objective: Restless legs syndrome (RLS) is a highly heritable and common neurological sensorimotor disease disturbing sleep. The objective of study was to investigate significant gene for RLS by performing GWA and replication study in a Korean population. Methods: We performed a GWA study for RLS symptom group (n=325) and non-RLS group (n=2,603) from the Korea Genome Epidemiology Study. We subsequently performed a replication study in RLS and normal controls (227 RLS and 229 controls) to confirm the present GWA study findings as well as previous GWA study results. Results: In the initial GWA study of RLS, we observed an association of rs11645604 (OR=1.531, p=1.18*10-6) in MPHOSPH6 on chromosome 16q23.3, rs1918752 (OR=0.6582, p=1.93*10-6) and rs9390170 (OR=0.6778, p=7.67*10 6) in UTRN on chromosome 6q24. From the replication samples, we found rs9390170 in UTRN (p=0.036) and rs3923809 and rs9296249 in BTBD9 (p=0.045, p=0.046, respectively) were significantly associated with RLS. Moreover, we found the haplotype polymorphisms of rs9357271, rs3923809, and rs9296249 (overall p=5.69*10 18) in BTBD9 was associated with RLS. Conclusion: From our sequential GWA and replication study, we could hypothesize rs9390170 polymorphism in UTRN is a novel genetic marker for susceptibility to RLS. Regarding with utrophin, which is encoded by UTRN, is preferentially expressed in the neuromuscular synapse and myotendinous junctions, we speculate that utrophin is involved in RLS, particularly related to the neuromuscular aspects. PMID- 29209389 TI - Asymmetrical Electroencephalographic Change of Human Brain During Sleep Onset Period. AB - Objective: Human cerebral hemisphere is known to function asymmetrically with daytime left hemisphere superiority in most right-handed persons. It may have relevance to the localization of specific function of the brain. This study attempted to reveal whether the functional cerebral asymmetry in the wakeful state is still maintained throughout the sleep onset period. Methods: Thirty channel EEG was recorded in 61 healthy subjects. The EEG power spectra of each of the seven frequencies were compared between the two kinds of 30-second states; the wakeful stage and the late-sleep stage 1. Results: The asymmetrical indices of sleep stage 1 at several fronto-central leads were decreased in the delta, theta, alpha-2, and all beta bands. Conversely, at parts of parieto-occipital leads showed an increase in the indices of the theta, alphas, beta-1, and beta-2 bands. Any fronto-central leads did not show an increase in the index, and no parieto-occipital leads showed a decrease. Conclusion: During the sleep onset period, power spectral asymmetry of the brain showed a different pattern from the wakeful stage. This asymmetrical pattern of EEG powers may suggest a reversal of the left hemispheric dominance during sleep. PMID- 29209390 TI - The Mechanism of Anti-Epileptogenesis by Levetiracetam Treatment is Similar to the Spontaneous Recovery of Idiopathic Generalized Epilepsy during Adolescence. AB - Objective: The anti-epileptogenic drug levetiracetam has anticonvulsant and anti epileptogenesis effects. Synergy between cell death and inflammation can lead to increased levels of apoptosis inhibitory factors and brain-derived neurotrophic factor, aberrant neurogenesis and extended axon sprouting. Once hyperexcitation of the neural network occurs, spontaneous seizures or epileptogenesis develops. This study investigated whether the anti-epileptogenic effect of levetiracetam is due to its alternate apoptotic activity. Methods: Adult male Noda epileptic rats were treated with levetiracetam or vehicle control for two weeks. mRNA quantification of Bax, Bcl-2 and GAPDH expression were performed from prefrontal cortex and hippocampus tissue samples. Results: The levetiracetam-treated group showed a significant increase of Bax/Bcl-2 mRNA expression ratio in the prefrontal cortex than the control group, but no change in the Bax/Bcl-2 mRNA expression ratio in hippocampus. Conclusion: Idiopathic generalized epilepsy including childhood absence epilepsy develop at childhood and recover spontaneously during adolescence. The aberrant neural excitable network is pruned by a neural-maturing action. This study suggests the mechanism of acquired anti epileptogenesis by levetiracetam treatment may be similar to spontaneous recovery of idiopathic generalized epilepsy during adolescence. PMID- 29209391 TI - Korean Brain Aging Study for the Early Diagnosis and Prediction of Alzheimer's Disease: Methodology and Baseline Sample Characteristics. AB - Objective: The Korean Brain Aging Study for the Early Diagnosis and Prediction of Alzheimer's disease (KBASE) aimed to recruit 650 individuals, aged from 20 to 90 years, to search for new biomarkers of Alzheimer's disease (AD) and to investigate how multi-faceted lifetime experiences and bodily changes contribute to the brain changes or brain pathologies related to the AD process. Methods: All participants received comprehensive clinical and neuropsychological evaluations, multi-modal brain imaging, including magnetic resonance imaging, magnetic resonance angiography, [11C]Pittsburgh compound B-positron emission tomography (PET), and [18F]fluorodeoxyglucose-PET, blood and genetic marker analyses at baseline, and a subset of participants underwent actigraph monitoring and completed a sleep diary. Participants are to be followed annually with clinical and neuropsychological assessments, and biannually with the full KBASE assessment, including neuroimaging and laboratory tests. Results: As of March 2017, in total, 758 individuals had volunteered for this study. Among them, in total, 591 participants-291 cognitively normal (CN) old-aged individuals, 74 CN young- and middle-aged individuals, 139 individuals with mild cognitive impairment (MCI), and 87 individuals with AD dementia (ADD)-were enrolled at baseline, after excluding 162 individuals. A subset of participants (n=275) underwent actigraph monitoring. Conclusion: The KBASE cohort is a prospective, longitudinal cohort study that recruited participants with a wide age range and a wide distribution of cognitive status (CN, MCI, and ADD) and it has several strengths in its design and methodologies. Details of the recruitment, study methodology, and baseline sample characteristics are described in this paper. PMID- 29209392 TI - Comparative Analysis of Emotional Symptoms in Elderly Koreans with Hwa-Byung and Depression. AB - Objective: This study compared the symptomatic emotional traits of elderly South Korean patients with hwa-byung and those with depression. Methods: We enrolled 58 patients with hwa-byung, 180 patients with depression, and 181 healthy control subjects. All participants completed the Hwa-byung Scale, Hamilton Depression Rating Scale (HDRS), Beck Depression Inventory (BDI), Geriatric Depression Scale (GDS), State Trait Anger Expression Inventory (STAXI), Reaction Inventory (RI), and Aggression Questionnaire (AQ). Chi-square tests and a one-way analysis of variance with Games-Howell post-hoc tests were used to compare demographic variables and scores. Results: A binary logistic regression analysis was used to examine risk factors for hwa-byung. Scores in the hwa-byung group were higher than those in the depression group for the HDRS; BDI; GDS; trait anger STAXI subscale (trait anger temperament and trait anger reaction); state anger and anger expression STAXI subscales (anger-in, anger-out, and anger control); physical and verbal aggression as well as anger and hostility AQ subscales; and disturbance, embarrassing circumstances, personal disrespect, and unpleasant encounters RI subscales. A binary logistic regression analysis demonstrated that the state anger STAXI subscale, verbal aggression and anger AQ subscales, and unpleasant encounters RI subscale were significantly associated with hwa-byung. Conclusion: Elderly patients with hwa-byung had more severe anger traits and states as well as higher depression severity compared to those diagnosed with clinical depression. Excessive anger and anger reactivity to unpleasant factors may be risk factors for hwa-byung, whereas the appropriate expression (rather than suppression) of anger may decrease the risk of hwa-byung. PMID- 29209393 TI - Relationship between Problematic Internet Use and Post-Traumatic Stress Disorder Symptoms among Students Following the Sewol Ferry Disaster in South Korea. AB - We investigated the association between problematic internet use (PIU) and post traumatic stress disorder (PTSD) symptoms in children and adolescents in South Korea. A cross-sectional survey was administered to community students who attended primary, secondary, and high schools in the Jindo area 1-2.5 months after the Sewol ferry disaster. Of the 1,744 respondents, 392 students who were exposed to the disaster, witnessing the rescue work directly, were evaluated. PTSD symptoms were measured using the University of California Los Angeles Post traumatic Stress Disorder Reaction Index (UCLA PTSD-RI). The severity of impairment caused by excessive internet use was evaluated using Young's Internet Addiction Test. The Center for Epidemiological Studies Depression Scale (CES-D) and State Anxiety Inventory for Children (SAIC) were also used. Logistic regression analysis revealed that PIU was significantly and independently associated with a high level of PTSD symptoms. Our findings suggest that children and adolescents with PIU require intensive follow-up and special care to prevent the development of PTSD symptoms following a disaster. PMID- 29209394 TI - Polymorphism in the Promoter Region of SEMA5A Is Associated with Sociality Traits in Korean Subjects with Autism Spectrum Disorders. AB - In this study, we evaluated the association between autism spectrum disorders (ASDs) and 10 single-nucleotide polymorphisms (SNPs) in the 5' region of the semaphorin 5A gene (SEMA5A) for 250 Korean trios including children with ASDs. Family-based association testing and haplotype analysis revealed a statistically significant association between rs194085 and multiple sociality traits with Korean ASDs in the dominant model (p<0.001, corrected p=0.035). This indicates that genetic variations in the 5' region of SEMA5A play a role in the genetic predisposition to sociality traits in Korean ASDs. PMID- 29209395 TI - Prevalence and Psychiatric Comorbidities of Internet Addiction in a Nationwide Sample of Korean Adults. AB - The goal of the study was to examine the prevalence and psychiatric comorbidities of Internet addiction in a nationwide sample of Korean adults. Among a total of 6,022 participants involved in Korean Epidemiological Catchment Area study in 2011, 3,723 Internet users were assessed for their Internet addiction using Young's 8-item Diagnostic Questionnaire. The results showed that of the 3,723 Internet users, 39 (1.0%) had Internet addiction. Addicted Internet users were younger, more likely to be males and unemployed compared to non-addicted Internet users. Internet addiction was associated with alcohol and nicotine use disorders, depressive disorders, and anxiety disorder after controlling for age, gender, and occupational status. Internet addiction was associated with suicidal plans even after controlling for psychiatric disorders and socio-demographic factors. This study showed that Internet addiction is highly associated with variety of different psychiatric disorders and suicidal plans. Therefore, clinicians should carefully evaluate them when treating addicted Internet users. PMID- 29209396 TI - Whole Brain Voxel-Wise Analysis of Cerebral Retention of Beta-Amyloid in Cognitively Normal Older Adults Using 18F-Florbetaben. AB - Objective: Recently developed 18F-labelled amyloid beta (Abeta) positron emission tomography (PET) tracers have demonstrated potentials to enable more prevalent application of amyloid imaging in the clinical setting. The aim of this study is to demonstrate cerebral retention of Abeta in cognitively normal older adults, by implementing voxel-based analysis on images acquired from 18F-Florbetaben amyloid PET. Methods: Fifty cognitive normal elderly subjects were recruited and included in the study. Demographic data and cognitive measurements were collected. Magnetic resonance imaging (MRI) and 18F-Florbetaben PET data were obtained followed by whole brain voxel-based analysis. Results: Compared to the florbetaben (FBB) (-) counterpart, FBB (+) showed significantly higher Abeta deposition in the brain regions comprising anterior cingulate, middle cingulate, posterior cingulate and precuneus (family wise error corrected p<0.05). There was no significant correlation between amyloid retention and cognitive functions. Conclusion: Our results confirms previous results regarding Abeta deposition by using 18F-Florbetaben, demonstrating potentials in application of 18F-Florbetaben PET imaging in clinical settings. PMID- 29209397 TI - Individuals with Restless Legs Syndrome Tend to have Severe Depressive Symptoms: Findings from a Community-Based Cohort Study. AB - Restless legs syndrome (RLS) is a sensorimotor neurological disturbance causing physical and psychological distress. Here, we investigated the severity and effect of depressive symptoms in RLS among a Korean cohort population. Depressive symptoms were more prevalent in the RLS group than in the non-RLS group [>=mild depression: odds ratio (OR)=1.95, p<0.001; >= moderate depression: OR=6.15, p<0.001; and >=severe depression: OR=56.54, p<0.001], with a predominant proportion of severe depression (97%) in the RLS group. We found that difficulty falling asleep (OR=8.16, p<0.001), broken sleep (OR=11.66, p=0.001), early morning awakening (OR=8.5, p<0.001), and excessive daytime sleepiness (OR=3.04, p=0.031) were significantly frequent in individuals with severe depression in the RLS group. Red blood cell count was significantly low in individuals with severe depression in the RLS group (p=0.041). We found that severe depression was associated with RLS, suggesting the evaluation and management of mood symptoms and sleep-related and hematological features when treating RLS. PMID- 29209398 TI - Risk Factors Associated with the Fear of Falling in Community-Living Elderly People in Korea: Role of Psychological Factors. AB - Little is known about the risk factors for the fear of falling in elderly Korean individuals. Thus, the present study aimed to investigate the risk factors for fear of falling in a representative elderly population of over 10,000 individuals aged 65 years and older. A multivariate multinomial analysis revealed that the risk factors associated with a severe fear of falling were being female [odds ratio (OR)=4.396], older age (OR=5.550 for those aged >=85 years), lower level of education (OR=0.719 for those with >=13 years of schooling), chronic illness (OR=2.788 for those with more than three chronic illnesses), poor subjective health (OR=6.268), functional impairments (OR=2.340), a history of falling (OR=7.062), and depression (OR=1.774). The ORs for each of these risk factors were particularly high in participants with a severe fear of falling. Particularly, a history of falling and/or poor subjective health status had strong independent associations with the fear of falling. The present findings may help health care professionals identify individuals that would benefit from interventions aimed at reducing the fear of falling. PMID- 29209399 TI - Psychiatric Symptoms in Teachers from Danwon High School after Exposure to the Sinking of the Motor Vessel Sewol. AB - Objective: The goal of this study was to describe the psychiatric symptoms in the teachers from Danwon High School who were exposed to the sinking of the Motor Vessel Sewol. Methods: Data were collected from 32 teachers who underwent psychiatric interventions by 16 volunteer psychiatrists for 3 months after the sinking of the Motor Vessel Sewol. Results: The most commonly diagnosed clinical diagnosis in the teachers were normal reaction, acute stress disorder and adjustment disorder. Psychiatric symptoms including anxiety, depressed mood and sleep disturbances were also observed. Conclusion: In the acute aftermath of the Sewol Ferry sinking on April 16, 2014, psychiatrists volunteered to provide professional psychiatric interventions to Danwon High School teachers. These results suggest the importance of crisis intervention focused on the teachers who are exposed to disasters. The implications for future research and interventions are discussed. PMID- 29209400 TI - Frontal Lobe Dysfunction in a Depressed Patient Who Survived a Suicide Attempt by Jumping from the Bridge on the Han River. AB - Suicide attempts at the Han river are rapidly increasing, which are 4.11 times from 2005 to 2015, whereas the rate of completed suicide in South Korea increased 1.07 times during the same period. However, few studies have been conducted on the issue because many suicide attempters were seriously injured after a fall in the Han river. We present a case of a patient with major depressive disorder (MDD) who attempted suicide and minimally injured after jumping from the bridge at the Han river. We could assess his psychological and neurocognitive functions before and immediately after his attempt. From this case, we can identify that higher cognitive aspect of executive dysfunction, especially in the frontal domain of selective attention and inhibition, may be associated with his suicide attempt. In conclusion, we suggest psychiatric treatments for cognitive impulsiveness and safety barriers at the bridge to prevent suicide attempts of patients with MDD. PMID- 29209401 TI - ACP1 Gene Polymorphism Associated with Suicide Attempt Type in Bipolar Disorder Patients. PMID- 29209402 TI - Analgesics in the management of behavioral and psychological symptoms of dementia: a perspective review. AB - The objective of this review was to assess the efficacy and tolerability of analgesics in reducing behavioral and psychological symptoms of dementia (BPSD) among older adults from published randomized controlled trials (RCTs). A literature search was conducted of PubMed, MEDLINE, SCOPUS, PsycINFO, and Cochrane collaboration databases for RCTs in the English language that evaluated the use of analgesics in reducing the severity of BPSD among older adults. Additionally, references of full-text articles that were included in this review were searched for extra studies. We identified a total of three unique RCTs that evaluated the use of analgesics among individuals with BPSD. One of the identified RCTs resulted in a total of three additional published papers in the literature, resulting in a total of six papers to be included in this review. All three RCTs identified some benefit for the use of analgesics in reducing BPSD. The analgesics appeared to be well tolerated in the included studies. Major study limitations include the use of data exclusively from published RCTs and limiting the search to English language publications. Additionally, we did not utilize statistical methods to evaluate the treatment outcomes including tolerability. In conclusion, available evidence although limited indicates that analgesics may reduce BPSD among some individuals with dementia living in nursing homes and are well tolerated. PMID- 29209404 TI - Response to discrepancies in publications related to HMB-FA and ATP supplementation. AB - Gentles and Phillips have submitted questions regarding three recent papers investigating ATP, HMB and the combination. The questions pertaining to the homogeneity of subjects' characteristics between the three different published papers, and why there appears to be differences in the number of subjects in placebo groups across studies. This response addresses each of these issues and demonstrates that there are no discrepancies between papers but rather a misunderstanding of the papers previously published. PMID- 29209403 TI - Lipid-lowering interventions targeting proprotein convertase subtilisin/kexin type 9 (PCSK9): an emerging chapter in lipid-lowering therapy. AB - Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a serine protease that is mainly expressed in the liver but can also be found in the intestine and kidneys. PCSK9 promotes the degradation of low density lipoprotein receptors (LDLR) by reducing their recycling and targeting the receptors for lysosomal destruction, thereby decreasing the rate of removal of LDL-cholesterol from the circulation. Thus, interventions targeting PCSK9 by reducing its expression may lead to significant reductions of LDL-cholesterol and possibly decrease cardiovascular risk. The present review aims to present and discuss the current clinical and scientific data pertaining to lipid-lowering interventions targeting PCSK9. PMID- 29209405 TI - Retroconversion is a minor contributor to increases in eicosapentaenoic acid following docosahexaenoic acid feeding as determined by compound specific isotope analysis in rat liver. AB - Dietary docosahexaenoic acid (DHA, 22:6n-3) not only increases blood and tissue levels of DHA, but also eicosapentaenoic acid (EPA, 20:5n-3). It is generally believed that this increase is due to DHA retroconversion to EPA, however, a slower conversion of alpha-linolenic acid (ALA, 18:3n-3) derived EPA to downstream metabolic products (i.e. slower turnover of EPA) is equally plausible. In this study, 21-day old Long Evans rats were weaned onto an ALA only or DHA + ALA diet for 12 weeks. Afterwards, livers were collected and the natural abundance 13C-enrichment was determined by compound specific isotope analysis (CSIA) of liver EPA by isotope ratio mass-spectrometry and compared to dietary ALA and DHA 13C-enrichment. Isotopic signatures (per mil, 0/00) for liver EPA were not different (p > 0.05) between the ALA only diet (-25.89 +/- 0.39 0/00, mean +/- SEM) and the DHA + ALA diet (-26.26 +/- 0.40 0/00), suggesting the relative contribution from dietary ALA and DHA to liver EPA did not change. However, with DHA feeding estimates of absolute EPA contribution from ALA increased 4.4-fold (147 +/- 22 to 788 +/- 153 nmol/g) compared to 3.2-fold from DHA (91 +/- 14 to 382 +/- 13 nmol/g), respectively. In conclusion, CSIA of liver EPA in rats following 12-weeks of dietary DHA suggests that retroconversion of DHA to EPA is a relatively small contributor to increases in EPA, and that this increase in EPA is largely coming from elongation/desaturation of ALA. PMID- 29209406 TI - Serum prolactin levels and sexual dysfunction in patients with schizophrenia treated with antipsychotics: comparison between aripiprazole and other atypical antipsychotics. AB - Objectives: Antipsychotics, even atypical ones, can induce hyperprolactinemia. Aripiprazole (APZ), a dopamine D2 partial agonist, has a unique pharmacological profile and few side effects. We investigated the incidence of hyperprolactinemia in patients with schizophrenia treated with APZ and other antipsychotics. Methods: Serum prolactin levels were measured by ELISA (enzyme-linked immunosorbent assay). A questionnaire survey was used to evaluate subjective sexual dysfunction. Results: Based on the results of the questionnaire, approximately half (48.1%) of the patients complained of sexual dysfunction. The serum prolactin levels were significantly higher in patients with sexual dysfunction than in those without. In patients treated with antipsychotic monotherapy, the serum prolactin levels were significantly lower in patients treated with APZ than with other antipsychotics. In patients receiving 2 or more antipsychotics, the serum prolactin levels were significantly lower in patients treated with APZ-containing regimens than in patients treated with APZ-free regimens. Conclusions: Treatment with APZ did not influence the serum prolactin level, and adjunctive treatment with APZ may ameliorate the hyperprolactinemia that occurs during monotherapy with other antipsychotics. PMID- 29209407 TI - Heavy metals effect on breast cancer progression. AB - Background: Breast cancer is the most frequent localization of malignant process in American women and women of European countries. To date it is not possible to control the morbidity growth due to lack of effective ways of primary prevention. Comparing the incidence of breast cancer in developed countries with the countries of Asia and Africa, there is the fact of population predominance lesion in more urbanized countries. This suggests that the environment along with other factors, occupies a significant place in the initiation and progression of breast neoplasia. The impressive rates of industrial development led to the pollution of soil, surface water and, as a consequence, food by heavy metal salts.The purposes of this paper are as follows: the chemical composition determination of neoplastic breast tissue, evaluation of the DNA methylation level, study of prognostic-important receptors expression in the breast cancer cells, establishing linkages between all the derived indicators. Methods: In our study we used the following methods: studying of the chemical composition of breast cancer tissue by atomic absorption spectrophotometry and energy-dispersion spectrometer; immunohistochemical study of ER, PR, HER2/neu, p53, Ki-67, E cadherin and MGMT receptors; DNA extraction and investigation by oscillating infrared spectroscopy method. Results: The total amount of heavy metals in breast cancer tissue ranged from 51.21 * 10-3 to 84.86 * 10-3 MUg/kg. We have got the following results: the growth of heavy metals in neoplastic tissue is accompanied with the increase of HER2/neu, p53, Ki-67, MGMT expression and decrease of ER and PR expression. The increment of pathological DNA methylation is accompanied with the increasing amount of heavy metals in tumor tissue. Conclusions: Heavy metals through different pathogenetic links stimulate the progression of breast cancer and reduce its sensitivity to treatment. DNA of tumor tissue has a different level of methylation which changes with the amount of heavy metals in cancer cells. This is displayed on the synthesis of prognostically important receptors in neoplastic tissue. PMID- 29209408 TI - Panicle-SEG: a robust image segmentation method for rice panicles in the field based on deep learning and superpixel optimization. AB - Background: Rice panicle phenotyping is important in rice breeding, and rice panicle segmentation is the first and key step for image-based panicle phenotyping. Because of the challenge of illumination differentials, panicle shape deformations, rice accession variations, different reproductive stages and the field's complex background, rice panicle segmentation in the field is a very large challenge. Results: In this paper, we propose a rice panicle segmentation algorithm called Panicle-SEG, which is based on simple linear iterative clustering superpixel regions generation, convolutional neural network classification and entropy rate superpixel optimization. To build the Panicle-SEG CNN model and test the segmentation effects, 684 training images and 48 testing images were randomly selected, respectively. Six indicators, including Qseg, Sr, SSIM, Precision, Recall and F-measure, are employed to evaluate the segmentation effects, and the average segmentation results for the 48 testing samples are 0.626, 0.730, 0.891, 0.821, 0.730, and 76.73%, respectively. Compared with other segmentation approaches, including HSeg, i2 hysteresis thresholding and jointSeg, the proposed Panicle-SEG algorithm has better performance on segmentation accuracy. Meanwhile, the executing speed is also improved when combined with multithreading and CUDA parallel acceleration. Moreover, Panicle-SEG was demonstrated to be a robust segmentation algorithm, which can be expanded for different rice accessions, different field environments, different camera angles, different reproductive stages, and indoor rice images. The testing dataset and segmentation software are available online. Conclusions: In conclusion, the results demonstrate that Panicle-SEG is a robust method for panicle segmentation, and it creates a new opportunity for nondestructive yield estimation. PMID- 29209409 TI - Contrast-enhanced 3D micro-CT of plant tissues using different impregnation techniques. AB - Background: X-ray micro-CT has increasingly been used for 3D imaging of plant structures. At the micrometer resolution however, limitations in X-ray contrast often lead to datasets with poor qualitative and quantitative measures, especially within dense cell clusters of plant tissue specimens. The current study developed protocols for delivering a cesium based contrast enhancing solution to varying plant tissue specimens for the purpose of improving 3D tissue structure characterization within plant specimens, accompanied by new image processing workflows to extract the additional data generated by the contrast enhanced scans. Results: Following passive delivery of a 10% cesium iodide contrast solution, significant increases of 85.4 and 38.0% in analyzable cell volumes were observed in pear fruit hypanthium and tomato fruit outer mesocarp samples. A significant increase of 139.6% in the number of analyzable cells was observed in the pear fruit samples along the added ability to locate and isolate better brachysclereids and vasculature in the sample volume. Furthermore, contrast enhancement resulted in significant improvement in the definition of collenchyma and parenchyma in the petiolule of tomato leaflets, from which both qualitative and quantitative data can be extracted with respect to cell measures. However, contrast enhancement was not achieved in leaf vasculature and mesophyll tissue due to fundamental limitations. Active contrast delivery to apple fruit hypanthium samples did yield a small but insignificant increase in analyzable volume and cells, but data on vasculature can now be extracted better in correspondence to the pear hypanthium samples. Contrast delivery thus improved visualization and analysis the most in dense tissue types. Conclusions: The cesium based contrast enhancing protocols and workflows can be utilized to obtain detailed 3D data on the internal microstructure of plant samples, and can be adapted to additional samples of interest with minimal effort. The resulting datasets can therefore be utilized for more accurate downstream studies that requires 3D data. PMID- 29209410 TI - Public health implications of complex emergencies and natural disasters. AB - Background: During the last decade, conflict or natural disasters have displaced unprecedented numbers of persons. This leads to conditions prone to outbreaks that imperil the health of displaced persons and threaten global health security. Past literature has minimally examined the association of communicable disease outbreaks with complex emergencies (CEs) and natural disasters (NDs). Methods: To examine this association, we identified CEs and NDs using publicly available datasets from the Center for Research on the Epidemiology of Disasters and United Nations Flash and Consolidated Appeals archive for 2005-2014. We identified outbreaks from World Health Organization archives. We compared findings to identify overlap of outbreaks, including their types (whether or not of a vaccine preventable disease), and emergency event types (CE, ND, or Both) by country and year using descriptive statistics and measure of association. Results: There were 167 CEs, 912 NDs, 118 events linked to 'Both' types of emergencies, and 384 outbreaks. Of CEs, 43% were associated with an outbreak; 24% NDs were associated with an outbreak; and 36% of 'Both' types of emergencies were associated with an outbreak. Africa was disproportionately affected, where 67% of total CEs, 67% of 'Both' events (CE and ND), and 46% of all outbreaks occurred for the study period. The odds ratio of a vaccine-preventable outbreak occurring in a CE versus an ND was 4.14 (95% confidence limits 1.9, 9.4). Conclusions: CEs had greater odds of being associated with outbreaks compared with NDs. Moreover, CEs had high odds of a vaccine-preventable disease causing that outbreak. Focusing on better vaccine coverage could reduce CE-associated morbidity and mortality by preventing outbreaks from spreading. PMID- 29209411 TI - Dietary behaviour, psychological well-being and mental distress among adolescents in Korea. AB - Background: Dietary intake is important for physical and mental health. The aim of this investigation was to assess associations between dietary behaviours and psychological well-being and distress among school-going adolescents in Korea. Methods: In a cross-sectional nationally representative survey, 65,212 students (Mean age = 15.1 years, SE = 0.02 and 52.2% male and 47.8% female) responded to a questionnaire that included measures of dietary behaviour, psychological well being and mental distress. Results: In logistic regression analyses, adjusted for age, sex, socioeconomic status, school level, school types, Body Mass Index, physical activity, and substance use, positive dietary behaviours (regular breakfast, fruit, vegetable, and milk consumption) were positively and unhealthy dietary behaviours (intake of caffeine, soft drinks, sweet drinks and fast food consumption) were negatively associated with self-reported health, happiness and sleep satisfaction. Positive dietary behaviours (regular breakfast, fruit, vegetable, and milk consumption) were negatively associated with perceived stress and depression symptoms. Unhealthy dietary behaviours (consumption of fast food, caffeine, sweetened drinks and soft drinks) were associated with perceived stress and depression symptoms. Conclusions: The study found strong cross-sectional evidence that healthy dietary behaviours were associated with lower mental distress and higher psychological well-being. It remains unclear, if a healthier dietary behaviour is the cause or the sequela of a more positive well-being. PMID- 29209412 TI - Minor physical anomalies in neurodevelopmental disorders: a twin study. AB - Background: Minor physical anomalies (MPAs) are subtle anatomical deviations in one's appearance and may suggest altered embryogenesis. MPAs have been shown to be more common in neurodevelopmental disorders (NDDs) compared with typical development. Still, further studies are needed on MPAs in NDDs, especially using twins to adjust for confounding familial factors. Methods: Clinical assessments were conducted on 116 twins (61 NDD, 55 controls) from 51 monozygotic and 7 dizygotic pairs to examine MPAs and their association with DSM-5 defined NDDs. Additionally, the relationship between the number of MPAs within twins by zygosity was investigated. Results: Within the cohort sample, a specific association was found between MPAs and autism spectrum disorder (ASD) diagnosis (crude odds ratio = 1.29, p = .047; adjusted odds ratios = 1.26-1.33, adjusted p values = .032-.073) and autistic traits (crude beta = 3.02, p = .002; adjusted beta = 2.28, p = .019), but not NDDs in general or ADHD, nor within-pairs. Identified MPAs in ASD included overweight, hypermobility, pes planus, straight eyebrows, vision impairment, arachnodactyly/long toes, long eyelashes, and microtia. The number of MPAs within all monozygotic pairs was highly correlated (r = .88, p < .001). Conclusion: MPAs are more frequent in participants with ASD and may be influenced by genetics. The value of MPAs for (early) detection should be further explored, as they might index individuals at increased risk for ASD in particular. PMID- 29209413 TI - Examining changes in personality disorder and symptomology in an adolescent sample receiving intensive mentalization based treatment: a pilot study. AB - Objective: To examine changes in personality disorders and symptomology and the relation between personality disorder variables and treatment outcomes in an adolescent sample during partial residential mentalization based treatment. Methods: In a sample of 62 (out of 115) adolescents treated for personality disorders, assessment was done pre- and post-treatment using the Structured Clinical Interview for DSM personality disorders and the Symptom Check List 90. Results: Significant reductions in personality disorder traits (t = 8.36, p = .000) and symptoms (t = 5.95, p = .000) were found. During pre-treatment, 91.8% (n = 56) of the patients had one or more personality disorders, compared to 35.4% (n = 22) at post-treatment. Symptom reduction was not related to pre-treatment personality disorder variables. Conclusion: During intensive psychotherapy, personality disorders and symptoms may diminish. Future studies should evaluate whether the outcomes obtained are the result of the treatment given or other factors. PMID- 29209415 TI - Undefined cellulase formulations hinder scientific reproducibility. AB - In the shadow of a burgeoning biomass-to-fuels industry, biological conversion of lignocellulose to fermentable sugars in a cost-effective manner is key to the success of second-generation and advanced biofuel production. For the effective comparison of one cellulase preparation to another, cellulase assays are typically carried out with one or more engineered cellulase formulations or natural exoproteomes of known performance serving as positive controls. When these formulations have unknown composition, as is the case with several widely used commercial products, it becomes impossible to compare or reproduce work done today to work done in the future, where, for example, such preparations may not be available. Therefore, being a critical tenet of science publishing, experimental reproducibility is endangered by the continued use of these undisclosed products. We propose the introduction of standard procedures and materials to produce specific and reproducible cellulase formulations. These formulations are to serve as yardsticks to measure improvements and performance of new cellulase formulations. PMID- 29209416 TI - Reliability of analysis of the bone mineral density of the second and fifth metatarsals using dual-energy x-ray absorptiometry (DXA). AB - Background: Metatarsal fractures, especially of the fifth metatarsal, are common injuries of the foot in a young athletic population, but the risk factors for this injury are not well understood. Dual-energy x-ray absorptiometry (DXA) provides reliable measures of regional bone mineral density to predict fracture risk in the hip and lumbar spine. Recently, sub-regional metatarsal reliability was established in fresh cadaveric specimens and associated with ultimate fracture force. The purpose of this study was to assess the reliability of DXA bone mineral density measurements of sub-regions of the second and fifth metatarsals in a young, active population. Methods: Thirty two recreationally active individuals participated in the study, and the bone density of the second (2MT) and fifth (5MT) metatarsals of each subject was measured using a Hologic QDR x-ray bone densitometer. Scans were analyzed separately by two raters, and regional bone mineral density, bone mineral content, and area measurements were calculated for the proximal, shaft, and distal regions of the bone. Intra-rater, inter-rater, and scan-rescan reliability were then determined for each region. Results: Proximal and shaft bone mineral density measurements of the second and fifth metatarsal were reliable. ICC's were variable across regions and metatarsals, with the distal region being the poorest. Conclusions: Bone mineral density measurements of the metatarsals may be a better indicator of fracture risk of the metatarsals than whole body measurements. A reliable method for measuring the regional bone mineral densities of the metatarsals was found. However, inter-rater reliability and scan-rescan reliability for the distal regions were poor. Future research should examine the relationship between DXA bone mineral density measurements and fracture risk at the metatarsals. PMID- 29209414 TI - Quantitative in vivo phosphoproteomics reveals reversible signaling processes during nitrogen starvation and recovery in the biofuel model organism Chlamydomonas reinhardtii. AB - Background: Nitrogen deprivation and replenishment induces massive changes at the physiological and molecular level in the green alga Chlamydomonas reinhardtii, including reversible starch and lipid accumulation. Stress signal perception and acclimation involves transient protein phosphorylation. This study aims to provide the first experimental phosphoprotein dataset for the adaptation of C. reinhardtii during nitrogen depletion and recovery growth phases and its impact on lipid accumulation. Results: To decipher the signaling pathways involved in this dynamic process, we applied a label-free in vivo shotgun phosphoproteomics analysis on nitrogen-depleted and recovered samples. 1227 phosphopeptides belonging to 732 phosphoproteins were identified and quantified. 470 phosphopeptides showed a significant change across the experimental set-up. Multivariate statistics revealed the reversible phosphorylation process and the time/condition-dependent dynamic rearrangement of the phosphoproteome. Protein protein interaction analysis of differentially regulated phosphoproteins identified protein kinases and phosphatases, such as DYRKP and an AtGRIK1 orthologue, called CDPKK2, as central players in the coordination of translational, photosynthetic, proteomic and metabolomic activity. Phosphorylation of RPS6, ATG13, and NNK1 proteins points toward a specific regulation of the TOR pathway under nitrogen deprivation. Differential phosphorylation pattern of several eukaryotic initiation factor proteins (EIF) suggests a major control on protein translation and turnover. Conclusion: This work provides the first phosphoproteomics dataset obtained for Chlamydomonas responses to nitrogen availability, revealing multifactorial signaling pathways and their regulatory function for biofuel production. The reproducibility of the experimental set-up allows direct comparison with proteomics and metabolomics datasets and refines therefore the current model of Chlamydomonas acclimation to various nitrogen levels. Integration of physiological, proteomics, metabolomics, and phosphoproteomics data reveals three phases of acclimation to N availability: (i) a rapid response triggering starch accumulation as well as energy metabolism while chloroplast structure is conserved followed by (ii) chloroplast degradation combined with cell autophagy and lipid accumulation and finally (iii) chloroplast regeneration and cell growth activation after nitrogen replenishment. Plastid development seems to be further interconnected with primary metabolism and energy stress signaling in order to coordinate cellular mechanism to nitrogen availability stress. PMID- 29209419 TI - Breathe: palliative care in respiratory medicine. AB - The December issue of Breathe focuses on palliative care in respiratory disease http://ow.ly/LN5130fTQus. PMID- 29209417 TI - Do athletes alter their running mechanics after an Achilles tendon rupture? AB - Background: Over the past thirty years, there has been dramatic increase in incidence of Achilles tendon rupture in the athletic population. The purpose of this study was to compare the lower extremity mechanics of Achilles tendon ruptured runners with healthy controls. Methods: The participants with a past history of an Achilles tendon repair (n = 11) and healthy control (n = 11) subgroups were matched on sex, age, type of regular physical activity, mass, height, footfall pattern and lateral dominancy. Running kinetics and kinematics of the ankle, knee and hip were recorded using a high-speed motion capture system interfaced with a force platform. Achilles tendon length was measured using ultrasonography. Main outcome measures were lower extremity joint angles and moments during stance phase of running and Achilles tendon lengths. Results: Athletes from Achilles tendon group had an affected gastro-soleus complex. Athletes with history of Achilles tendon rupture had reduced ankle range of motion during second half of the stance phase of running (Delta7.6 degrees ), an overextended knee during initial contact (Delta5.2 degrees ) and increased affected knee range of motion (Delta4.4 degrees ) during the first half of stance phase on their affected limb compared to the healthy control group. There was a 22% increase in the maximal hip joint moment on contralateral side of the Achilles tendon group compared to the healthy controls. Conclusion: These results suggest a compensation mechanism, relatively extended knee at initial ground contact against the deficit in the muscle-tendon complex of the triceps surae. Overextension during sporting activities may place the knee at risk for further injury. Avoidance of AT lengthening and plantarflexion strength deficit after surgery and during rehabilitation might help to manage AT rupture since these factors may be responsible for altered running kinematics. PMID- 29209421 TI - Pulmonary rehabilitation: ?course report. AB - Delegates of an @ERStalk course on pulmonary rehabilitation describe their experiences http://ow.ly/VVp030fGC1x. PMID- 29209420 TI - Progressive respiratory disease: the importance of prognostic conversations and advance care planning. AB - Prognostic conversations and advance care planning facilitate improved care in life-limiting respiratory conditions http://ow.ly/MOtp30fqPOw. PMID- 29209422 TI - The potential of palliative care for patients with respiratory diseases. AB - : Based on the demonstrated effectiveness of palliative care in the alleviation of symptoms and enhancement of life quality, it is important to incorporate palliative care early in the respiratory disease trajectory. Quality palliative care addresses eight domains that are all patient and family centred. Palliative care interventions in respiratory conditions include management of symptoms such as dyspnoea, cough, haemoptysis, sputum production, fatigue and respiratory secretion management, especially as the end-of-life nears. A practical checklist of activities based on the domains of palliative care can assist clinicians to integrate palliative care into their practice. Clinical management of patients receiving palliative care requires consideration of human factors and related organisational characteristics that involve cultural, educational and motivational aspects of the patient/family and clinicians. Educational aims: To explain the basic domains of palliative care applicable to chronic respiratory diseases.To review palliative care interventions for patients with chronic respiratory diseases.To outline a checklist for clinicians to use in practice, based on the domains of palliative care.To propose recommendations for clinical management of patients receiving palliative care for chronic respiratory diseases. PMID- 29209424 TI - Severe COPD and the transition to a palliative approach. AB - : Patients with severe chronic obstructive pulmonary disease (COPD) have a chaotic trajectory towards death. Research has focused on identifying a "transition point" that would allow identification of those patients who may benefit from a palliative approach to their care, or referral to a specialist palliative care service. This article aims to outline difficulties in identifying this transition point, summarise current literature on this topic and suggests a model based on clinical milestones. Educational aims: To outline the difficulties associated with identifying patients with severe COPD who are at risk of dying.To summarise current research on this topic. Key points: A specific transition point is difficult to identify in severe COPD.Tools are available that may assist the physician in identifying those at risk of dying.It is essential that the patient voice is heard, patients can describe specific events that may be used as a "trigger" for a palliative approach.Specialist palliative care services may only be required for a subgroup of patients whose needs cannot be managed by the primary care team. PMID- 29209423 TI - The physiological effects of slow breathing in the healthy human. AB - : Slow breathing practices have been adopted in the modern world across the globe due to their claimed health benefits. This has piqued the interest of researchers and clinicians who have initiated investigations into the physiological (and psychological) effects of slow breathing techniques and attempted to uncover the underlying mechanisms. The aim of this article is to provide a comprehensive overview of normal respiratory physiology and the documented physiological effects of slow breathing techniques according to research in healthy humans. The review focuses on the physiological implications to the respiratory, cardiovascular, cardiorespiratory and autonomic nervous systems, with particular focus on diaphragm activity, ventilation efficiency, haemodynamics, heart rate variability, cardiorespiratory coupling, respiratory sinus arrhythmia and sympathovagal balance. The review ends with a brief discussion of the potential clinical implications of slow breathing techniques. This is a topic that warrants further research, understanding and discussion. Key points: Slow breathing practices have gained popularity in the western world due to their claimed health benefits, yet remain relatively untouched by the medical community.Investigations into the physiological effects of slow breathing have uncovered significant effects on the respiratory, cardiovascular, cardiorespiratory and autonomic nervous systems.Key findings include effects on respiratory muscle activity, ventilation efficiency, chemoreflex and baroreflex sensitivity, heart rate variability, blood flow dynamics, respiratory sinus arrhythmia, cardiorespiratory coupling, and sympathovagal balance.There appears to be potential for use of controlled slow breathing techniques as a means of optimising physiological parameters that appear to be associated with health and longevity, and that may extend to disease states; however, there is a dire need for further research into the area. Educational aims: To provide a comprehensive overview of normal human respiratory physiology and the documented effects of slow breathing in healthy humans.To review and discuss the evidence and hypotheses regarding the mechanisms underlying slow breathing physiological effects in humans.To provide a definition of slow breathing and what may constitute "autonomically optimised respiration".To open discussion on the potential clinical implications of slow breathing techniques and the need for further research. PMID- 29209425 TI - Bilateral pulmonary nodules and acute respiratory failure in a 22-year-old man with dyspnoea and fever. AB - Can you diagnose the cause of this man's bilateral pulmonary nodules and acute respiratory failure? http://ow.ly/NfED30dDBzm. PMID- 29209426 TI - Early Career Members at the ERS LSC 2017: mechanistic overlap between chronic lung injury and cancer. AB - .@EarlyCareerERS looks back on #LSC2017 http://ow.ly/I3M730fkn5X. PMID- 29209427 TI - How to give and receive ?feedback effectively. AB - Giving and receiving effective feedback are skills that are central in healthcare settings http://ow.ly/zZ1C30eVrH1. PMID- 29209428 TI - Radiology corner. PMID- 29209429 TI - Confidences de Salon: Andy Bush. AB - ERS Publications Chair, Andy Bush, gives an insight into his lifehttp://ow.ly/hkQ830fQJHU. PMID- 29209430 TI - Mould, damp and the lungs. AB - Mould is a type of fungus that grows in damp areas. It releases tiny particles called spores that can be harmful when breathed in. PMID- 29209431 TI - Combining cytogenetic and epigenetic approaches in chronic lymphocytic leukemia improves prognosis prediction for patients with isolated 13q deletion. AB - Background: Both defective DNA methylation and active DNA demethylation processes are emerging as important risk factors in chronic lymphocytic leukemia (CLL). However, associations between 5-cytosine epigenetic markers and the most frequent chromosomal abnormalities detected in CLL remain to be established. Methods: CLL patients were retrospectively classified into a cytogenetic low-risk group (isolated 13q deletion), an intermediate-risk group (normal karyotype or trisomy 12), and a high-risk group (11q deletion, 17p deletion, or complex karyotype [>= 3 breakpoints]). The two 5-cytosine derivatives, 5-methylcytosine (5-mCyt) and 5 hydroxymethylcytosine (5-hmCyt), were tested by ELISA (n = 60), while real-time quantitative PCR was used for determining transcriptional expression levels of DNMT and TET (n = 24). Results: By using global DNA methylation/demethylation levels, in the low-risk disease group, two subgroups with significantly different clinical outcomes have been identified (median treatment-free survival [TFS] 45 versus > 120 months for 5-mCyt, p = 0.0008, and 63 versus > 120 months for 5 hmCyt, p = 0.04). A defective 5-mCyt status was further associated with a higher percentage of 13q deleted nuclei (> 80%), thus suggesting an acquired process. When considering the cytogenetic intermediate/high-risk disease groups, an association of 5-mCyt status with lymphocytosis (p = 0.0008) and the lymphocyte doubling time (p = 0.04) but not with TFS was observed, as well as a reduction of DNMT3A, TET1, and TET2 transcripts. Conclusions: Combining cytogenetic studies with 5-mCyt assessment adds accuracy to CLL patients' prognoses and particularly for those with 13q deletion as a sole cytogenetic abnormality. PMID- 29209432 TI - Epigenetic modifications of the VGF gene in human non-small cell lung cancer tissues pave the way towards enhanced expression. AB - Hwang et al. recently showed that VGF substantially contributes to the resistance of human lung cancer cells towards epidermal growth factor receptor kinase inhibitors. This was further linked to enhanced epithelial-mesenchymal transition. Here, we demonstrate that VGF is epigenetically modified in non-small cell lung cancer tissues compared to corresponding tumor-free lung tissues from the same donors by using methylome bead chip analyses. These epigenetic modifications trigger an increased transcription of the VGF gene within the tumors, which then leads to an increased expression of the protein, facilitating epithelial-mesenchymal transition, and the resistance to kinase inhibitors. These results should be taken into account in the design of novel therapeutic and diagnostic approaches. PMID- 29209435 TI - Diseases potentially related to Flammer syndrome. AB - Flammer syndrome (FS) is a prevalent and mostly benign condition. Subjects with FS seem to have a good life expectancy. Nevertheless, FS subjects are at increased risk for certain diseases, mainly when they are challenged by psychological stress or other stimuli such as coldness. FS is related to ocular diseases, such as normal-tension glaucoma, retinitis pigmentosa, central serous chorioretinopathy, optic nerve compartment syndrome, Leber's hereditary optic neuropathy, arterial or venous occlusions in the retina, and choroid and optic nerve head, despite the absence of classical vascular risk factors. FS is also related to some non-ocular diseases, such as multiple sclerosis, breast cancer, and altitude sickness. The role of FS in other diseases such as tinnitus, sudden hearing loss, Meniere's disease, anorexia nervosa, and thyroid dysfunction is currently under investigation. The exact relationship of FS to related diseases however still needs to be established. This may hopefully lead to more targeted diagnostics and personalized treatments. PMID- 29209433 TI - Novel insights into epigenetic drivers of oropharyngeal squamous cell carcinoma: role of HPV and lifestyle factors. AB - In the last years, the explosion of high throughput sequencing technologies has enabled epigenome-wide analyses, allowing a more comprehensive overview of the oropharyngeal squamous cell carcinoma (OPSCC) epigenetic landscape. In this setting, the cellular pathways contributing to the neoplastic phenotype, including cell cycle regulation, cell signaling, DNA repair, and apoptosis have been demonstrated to be potential targets of epigenetic alterations in OPSCC. Of note, it has becoming increasingly clear that HPV infection and OPSCC lifestyle risk factors differently drive the epigenetic machinery in cancer cells. Epigenetic changes, including DNA methylation, histone modifications, and non coding RNA expression, can be used as powerful and reliable tools for early diagnosis of OPSCC patients and improve prognostication. Since epigenetic changes are dynamic and reversible, epigenetic enzymes may also represent suitable targets for the development of more effective OPSCC therapeutic strategies. Thus, this review will focus on the main known epigenetic modifications that can occur in OPSCC and their exploitation as potential biomarkers and therapeutic targets. Furthermore, we will address epigenetic alterations to OPSCC risk factors, with a particular focus on HPV infection, tobacco exposure, and heavy alcohol consumption. PMID- 29209436 TI - The potential relationship between Flammer and Sjogren syndromes: the chime of dysfunction. AB - Flammer syndrome (FS) is a term to blanket a cluster of vascular and nonvascular signs and symptoms linked to primary vascular dysregulation (PVD), increased sensitivity to various stimuli (stress, drugs, etc.) and altered sense regulation such as pain, smell and thirst perception. On one hand, disruption of blood barrier and homeostasis of the body are the main targets of vascular irregularity. Inflammation and immune disorders including autoimmunity are considered as a consequence of the abnormal vascular regulation processes. On the other hand, decreased thirst feeling typical for FS-affected individuals may lead to extensive body dehydration resulting in dry eye appearance and breast cancer (BC) risk, amongst others. To this end, recent research demonstrated FS as linked to BC development and progression into the metastatic disease. On the other side, Sjogren syndrome (SS) is an autoimmune disease characterised by a progressive sicca syndrome associated with the dry eye symptoms, specific immunologic complex and/or significant infiltrate at minor salivary gland biopsy. SS is relatively frequent, with a clinical diagnosis predominantly amongst women. Its physiopathology is a complex battery of both environmental and genetic factors. If left untreated, SS may be associated with and/or resulted in severe arthritis and the development of B cell lymphoma. In this mini-review, we summarise the facts and hypotheses connecting FS and SS symptoms together and mechanisms potentially overlapping in both syndromes. Unraveling the common denominators between these two syndromes not only providing more evidence for interaction between altered sense regulation, vascular dysregulation, immune system dysfunction but also focusing on the individual outcomes in terms of severity grade and potential complications exploring novel diagnostic, prognostic and treatment modalities. Multi-professional considerations presented here are an example how to effectively enter the new era of preventive, predictive and personalised medicine benefiting the patients and healthcare system as the whole. PMID- 29209434 TI - Vitamin D in the prevention, prediction and treatment of neurodegenerative and neuroinflammatory diseases. AB - Vitamin D research has gained increased attention in recent times due to its roles beyond bone health and calcium homeostasis, such as immunomodulation. In some parts of the brain and on immune cells, vitamin D hydroxylating enzymes and its receptors are located. Epidemiological evidence demonstrates that deficiency of Vitamin D is relevant for disease risk and course in multiple sclerosis (MS) and presumably also in neuromyelitis optica spectrum disorders (NMOSD), Parkinson's disease (PD), and Alzheimer's disease (AD). Although the exact mechanism underlying vitamin D effects in these diseases remains widely unexplored, human and animal studies continue to provide some hints. While the majority of vitamin D researchers so far speculate that vitamin D may be involved in disease pathogenesis, others could not show any association although none have reported that sufficient vitamin D worsens disease progression. The studies presented in this review suggest that whether vitamin D may have beneficial effects in disease course or not, may be dependent on factors such as ethnicity, gender, diet, vitamin D receptor (VDR) polymorphisms and sunlight exposure. We here review the possible role of vitamin D in the pathogenesis and disease course of MS, NMOSD, PD, and AD and potential therapeutic effects of vitamin D supplementation which may be relevant for predictive, preventive, and personalized medicine. We suggest areas to consider in vitamin D research for future studies and recommend the need to supplement patients with low vitamin D levels below 30 ng/ml to at least reach sufficient levels. PMID- 29209437 TI - Retinal venous pressure measurements in patients with Flammer syndrome and metabolic syndrome. AB - Background: The purpose of this research is to analyze retinal venous pressure (RVP) of both eyes of patients who visited a Swiss ophthalmic practice and compare values among the following groups of patients with primary open-angle glaucoma (POAG), Flammer syndrome (FS), and metabolic syndrome (MetS). Methods: RVP was measured in both eyes of all patients who visited a Swiss ophthalmic practice during March 2016 till November 2016, and the results were analyzed retrospectively. All measurements were performed by one physician by means of ophthalmodynamometry. Ophthalmodynamometry is done by applying an increasing pressure on the eye via a contact lens. The minimum force required to induce a venous pulsation is called ophthalmodynamometric force (ODF). The RVP is defined and calculated as the sum of ODF and intraocular pressure (IOP) [RVP = ODF + IOP]. Results: Spontaneous central retinal venous pulsation was present in the majority of the patients (192 out of 357, 53.8%). Spontaneous RVP rate was significantly negatively correlated with age (r = -0.348, p < 0.001). A significantly increased RVP was noted in FS, MetS, and POAG patients, particularly those POAG patients who also suffered from FS (p < 0.005). Conclusions: Although most patients had a spontaneous RVP, those with FS, POAG, and MetS had increased RVP. Measuring RVP by means of ophthalmodynamometry provides predictive information about certain ocular diseases and aids in instituting adequate preventive measures. PMID- 29209438 TI - Incorporation of suboptimal health status as a potential risk assessment for type II diabetes mellitus: a case-control study in a Ghanaian population. AB - Due to a paradigm shift in lifestyles, there is growing concern that type 2 diabetes mellitus (T2DM) will reach epidemic proportions in Ghana. However, specific characteristics of the disease are under explored in this region. More challenging are those yet to be diagnosed or who complain of poor health in the absence of a diagnosed disease-suboptimal health status (SHS). We conducted a study to examine various factors that characterise SHS and T2DM. Using a cross sectional design, we recruited 264 people as controls and 241 T2DM patients from January to June 2016. The controls were categorised into high and low SHS based on how they rated on an SHS questionnaire-25 (SHSQ-25). Anthropometric and biochemical parameters: body mass index (BMI); blood pressure (BP); fasting plasma glucose (FPG); glycated haemoglobin (HbA1c); serum lipids [(total cholesterol, triglycerides (TG), high- and low-density lipoprotein-cholesterol (HDL-c and LDL-c)] were measured. The male to female ratio for T2DM and controls were 99:142 and 98:166, respectively, whilst the mean ages were 55.89 and 51.52 years. Compared to controls, T2DM patients had higher FPG (8.96 +/- 4.18 vs. 6.08 +/- 1.79; p < 0.0001) and HbA1c (8.23 +/- 2.09 vs. 5.45 +/- 1.00; p < 0.0001). Primarily sedentary [adjusted odds ratio (aOR) = 2.97 (1.38-6.39); p = 0.034)], systolic blood pressure (SBP) (p = 0.001) and diastolic blood pressure (DBP) (p = 0.001) significantly correlated with high SHS. After adjusting for age and gender, central adiposity [aOR = 1.74 (1.06-2.83); p = 0.027)], underweight [aOR = 5.82 (1.23-27.52); p = 0.018)], high SBP [aOR = 1.86 (1.14-3.05); p = 0.012)], high DBP [aOR = 2.39 (1.40-4.07); p = 0.001)] and high TG [aOR = 2.17 (1.09 4.33); p = 0.029)] were found to be independent risk factors associated with high SHS. The management of T2DM in Ghana is suboptimal and undiagnosed risk factors remain prevalent. The SHSQ-25 can be translated and applied as a practical tool to screen at-risk individuals and hence prove useful for the purpose of predictive, preventive and personalised medicine. PMID- 29209439 TI - Comparative study of probiotic effects of Lactobacillus and Bifidobacteria strains on cholesterol levels, liver morphology and the gut microbiota in obese mice. AB - Background: Microbiome-modulating interventions are promising for treatment and prevention of metabolic syndrome. The number of probiotic strains demonstrated ability to decrease cholesterol level in vivo, however, it was poorly confirmed in a clinical setting. The aim was to study the effects of L. acidophilus IMV B 7279, L. casei IMV B-7280, B. animalis VKL and B. animalis VKB separately and in various compositions on the level of serum cholesterol, gut microbiota contents and liver morphology on a high-calorie-induced obesity model in BALB/c mice. Materials and methods: We used for the study female BALB/c mice 6-8 weeks old (18 24 g). Experimental animals were fed by a fat-enriched diet (FED), and 8 experimental groups were formed (12 mice in each group) to test strains of probiotic bacteria L. delbrueckii subsp. bulgaricus IMV B-7281, L. casei IMV B 7280, B. animalis VKL and B. animalis VKB and compositions. We used ultrasound for in vivo assessment of the liver and visceral (mesenteric) fat size. In the blood serum of the obese mice, the level of cholesterol was estimated. The liver morphology and gut microbiota of obese mice were studied. Results: We revealed that after treatment with all of the studied probiotic bacteria and compositions of B. animalis VKL/B. animalis VKB/L. casei IMV B-7280, the weight of obese mice decreased, and cholesterol and its fraction levels in serum were reduced. The size of the liver slightly decreased after treatment with L. delbrueckii subsp. bulgaricus IMV B-7281, B. animalis VKB or probiotic compositions; we observed reduction of the mesenteric fat size after injection of all these probiotic bacteria (separately) and probiotic compositions. We defined the strain-dependent effects on serum lipid profiles, liver morphology and the gut microbiota. The B. animalis VKL/B. animalis VKB/L. casei IMV B-7280 composition effectively recovered the liver morphological structure of obese mice. The number of Lactobacillus spp., Bifidobacterium spp. and coliform bacteria increased, the number of staphylococci and streptococci reduced, and the number of microscopic fungi significantly decreased in the gut of obese mice after treatment with L. casei IMV B-7280, L. delbrueckii subsp. bulgaricus IMV B-7281, B. animalis (separately) or their compositions. Conclusion: L. casei IMV B-7280 (separately) and a composition of B. animalis VKL/B. animalis VKB/L. casei IMV B-7280 are effective at decreasing the weight of obese mice, decreasing cholesterol level, restoring the liver morphology and beneficially modulating the gut microbiome in high-calorie-induced obesity. PMID- 29209442 TI - Getting to Phase 3: an Interview with Virginia S. Cowen, PhD, LMT. AB - I feel that it is important to know the stories behind those who are working hard in the field to bring forward massage therapy research. Interviews with massage therapy researchers will now occasionally be included in the Journal as a new editorial feature. The first interview is with Virginia S. Cowen, PhD, LMT a New York State-licensed and NCB board-certified massage therapist with a PhD from Arizona State. She first became interested in massage therapy research while in massage therapy school, and her most recent work is investigating the integration of massage therapy into medical settings. Dr. Cowen states that massage therapy needs to move to Phase 3 research, and aligning with massage therapy practice and research on massage therapy education are areas ripe for research development. She urges the massage therapy profession to work together to develop clinical practice guidelines which could help move the profession forward. PMID- 29209440 TI - Efficacy of Fenugreek-based bionanocomposite on renal dysfunction and endogenous intoxication in high-calorie diet-induced obesity rat model-comparative study. AB - Background: Worldwide obesity spread is a global health problem and needs to be further studied. Co-morbidities of obesity include insulin resistance, diabetes mellitus type 2, and dyslipidemia, which are the most frequent contributing factors for metabolic syndrome (MetS), as well as non-alcoholic fatty liver disease and chronic kidney disease. The aim was to study renal function and endogenous intoxication panel on high-calorie diet-induced obesity rat model and perform comparative study of the treatment efficacy of Fenugreek-based bionanocomposite vs antiobesogenic drugs (Orlistat). Materials: We included 60 male rats and equally divided them to 6 groups of 10 animals in each group: the experimental groups were firstly assigned as controls and high caloric diet (HCD) fed groups, and each group further was subdivided to remain untreated, Fenugreek bionanocomposite (BNC)-treated, and Orlistat-treated. Normal control rats (groups 1, 2, 3) were fed by a standard chow, while the others (groups 4, 5, 6) were fed with HCD ad libitum during 98 days. From days 77 to 98, groups 2 and 5 were treated with BNC based on Fenugreek (150 mg/kg body weight, orally) and groups 3 and 6 were treated with antiobesogenic drug Orlistat (10 mg/kg body weight, orally). Food and water consumptions were measured daily and body weights were measured once a week. On day 99, blood was collected; the creatinine, urea, and uric acid were estimated in serum according to the standard protocols. Levels of low and middle molecules (MMs) were measured; the quantity of oligopeptides was estimated by Bradford method. We performed the liver and kidney ultrasonography in rats. Results: We revealed an increase in the levels of endogenous intoxication syndrome markers (MM and oligopeptides) in all animals with experimental obesity. Ultrasound data showed injury of the liver and kidneys in obese rats. We observed significant decreasing of MM levels after Orlistat treatment vs controls (p < 0.05). However, this effect was more pronounced in Fenugreek BNC-treated group vs both Orlistat-treated and controls (p < 0.05). Orlistat treatment evoked rising of serum creatinine and oligopeptides in control animals and failed to normalize these markers in experimental group. Fenugreek based BNC treatment did not evoke signs of kidney failure and changes in the studied indices in control group. We noticed normalization levels of uric acid and urea in the blood under the use of BNC and Orlistat. Conclusion: High-calorie diet-induced obesity evokes endogenous intoxication syndrome and kidney dysfunction in rats. Application of Orlistat- and Fenugreek-based BNC decreases MM content to the normal level. Orlistat induces increasing levels of oligopeptides in both groups, likely due to adverse side effects on renal function and its pro-oxidant activity. PMID- 29209443 TI - Incentivizing Peer Review. AB - Since the 1700s, peer review has been a part of scientific publication. Quality peer reviews take extensive time and effort yet reviewers are not often compensated. This editorial announces the new offering of the National Certification Board for Thereputic Massage & Bodywork (NCBTMB)-approved continuing education hours for our peer reviewers who complete timely reviews. Instructions to register as a peer reviewer and how to conduct a review are offered. Thank you to our 2016 and 2017 peer reviewers. PMID- 29209441 TI - PCSK9 signaling pathways and their potential importance in clinical practice. AB - In the following review, authors described the structure and biochemical pathways of PCSK9, its involvement in LDL metabolism, as well as significances of proprotein convertase subtilisin/kexin type 9 targeted treatment. PCSK9 is a proprotein convertase, which plays a crucial role in LDL receptor metabolism. Transcription and translation of PCSK9 is controlled by different nuclear factors, such as, SREBP and HNF1alpha. This review focuses on interactions between PCSK9 and LDL receptor, VLDLR, ApoER2, CD36, CD81, and others. The role of PCSK9 in the inflammatory process is presented and its influence on cytokine profile (IL-1, IL-6, IL-10, TNF) in atherosclerotic plaque. Cholesterol metabolism converges also with diabetes by mTORC1 pathways. PCSK9 can be altered by oncologic pathways with utilization of kinases, such as Akt, JNK, and JAK/STAT. Finally, the article shows that blocking PCSK9 has proapoptotic capabilities. Administration of monoclonal antibodies against PCSK9 reduced mortality rate and cardiovascular events in randomized trials. On the other hand, immunogenicity of new drugs may play a crucial role in their efficiency. Bococizumab ended its career following SPIRE-1,2 outcome. PCSK9 inhibitors have enormous potential, which had been reflected by introducing them (as a new class of drugs reducing LDL concentration cholesterol) into New Lipid Guidelines from Rome 2016. Discoveries in drugs development are focused on blocking PCSK9 on different levels. For example, silencing messenger RNA (mRNA of PCSK9) is a new alternative against hypercholesterolemia. Peptides mimicking EGF-A domain of the LDL receptor are gaining significance and hopefully they will soon join others. The significance of PCSK9 has just been uncovered and further data is still required to understand their activity. PMID- 29209444 TI - A Commentary on the Role of Randomized Controlled Trials in Massage Therapy. PMID- 29209445 TI - Recent Advances on In Situ SEM Mechanical and Electrical Characterization of Low Dimensional Nanomaterials. AB - In the past decades, in situ scanning electron microscopy (SEM) has become a powerful technique for the experimental study of low-dimensional (1D/2D) nanomaterials, since it can provide unprecedented details for individual nanostructures upon mechanical and electrical stimulus and thus uncover the fundamental deformation and failure mechanisms for their device applications. In this overview, we summarized recent developments on in situ SEM-based mechanical and electrical characterization techniques including tensile, compression, bending, and electrical property probing on individual nanostructures, as well as the state-of-the-art electromechanical coupling analysis. In addition, the advantages and disadvantages of in situ SEM tests were also discussed with some possible solutions to address the challenges. Furthermore, critical challenges were also discussed for the development and design of robust in situ SEM characterization platform with higher resolution and wider range of samples. These experimental efforts have offered in-depth understanding on the mechanical and electrical properties of low-dimensional nanomaterial components and given guidelines for their further structural and functional applications. PMID- 29209446 TI - Oxidative Stress Alters the Profile of Transcription Factors Related to Early Development on In Vitro Produced Embryos. AB - High oxygen levels during in vitro culture (IVC) can induce oxidative stress through accumulation of reactive oxygen species (ROS), negatively affecting embryo development. This study evaluated the effect of different O2 tensions during IVC on bovine blastocyst development and transcriptional status, considering transcription factors that play an essential role during early embryo development. For this purpose, embryos were produced in vitro by conventional protocols and cultured in two different oxygen tensions, physiological (5%) and atmospheric (20%). Expanded blastocysts were subjected to transcript quantitation analysis by RT-qPCR with BiomarkTM HD System (Fluidigm, US), using 67 TaqMan assays specific for Bos taurus. Differences were observed in genes related to oxidation-reduction processes, DNA-dependent transcription factors, and factors related to important functional pathways for embryo development. Blastocyst rate was higher in the 5% O2 group and the number of cells was assessed, with the 5% O2 group having a higher number of cells. ROS concentration was evaluated, with a higher ROS presence in the 20% O2 group. Taken together, these results allow us to conclude that IVC of embryos at atmospheric O2 tension affects the expression of important transcription factors involved in multiple cell biology pathways that can affect embryo development, quality, and viability. PMID- 29209447 TI - Nrf2, a Potential Therapeutic Target against Oxidative Stress in Corneal Diseases. AB - Corneal diseases are one of the major causes of blindness worldwide. Conservative medical agents, which may prevent sight-threatening corneal disease progression, are urgently desired. Numerous evidences have revealed the involvement of oxidative stress in various corneal diseases, such as corneal wound healing and Fuchs endothelial corneal dystrophy (FECD). Nuclear factor (erythroid-derived 2) like 2 (Nrf2)/Kelch-like erythroid-cell-derived protein with CNC homology- (ECH-) associated protein 1 (Keap1)/antioxidant response element (ARE) signaling is well known as one of the main antioxidative defense systems. To the best of our knowledge, this is the first review to elucidate the different expression profiles of Nrf2 signaling as well as the underlying mechanisms in corneal diseases, implicating that Nrf2 may serve as a potentially promising therapeutic target for corneal diseases. PMID- 29209449 TI - Effect of oleanolic acid on small intestine morphology and enzymes of glutamine metabolism in diabetic rats. AB - The small intestine (SI) is the main site for food absorption and glutamine utilization hence critical in metabolic disorders that involve energy balance such as diabetes. This study investigates the effects of oleanolic acid (OA) on SI morphology and some enzymes of glutamine metabolism in male Sprague-Dawley diabetic rats. High dose STZ-induced diabetes (HDD) and low dose STZ-induced diabetes (LDD) were induced by intraperitoneal injection of 60 and 40 mg streptozotocin/kg body weight respectively. Non-diabetic and diabetic rats were treated for two weeks with OA, insulin or OA + insulin in HDD study while animals in the in LDD study were treated with OA. There was significant (P<0.05) increase in the weight of the SI of diabetic animals and of villus height (VH) in the jejunum and duodenum of HDD animals. OA and insulin treatment significantly decreased VH in duodenum of HDD animals while OA treatment profoundly increased VH in normal rats. Jejunal of phosphate-dependent glutaminase (PDG) activity was unaffected by diabetes however alanine aminotransferase, aspartate aminotransferase and glutamate dehydrogenase activities were significantly (P<0.05) elevated by diabetes and treatments decreased these elevated aminotransferase activities. It is suggested that the intestine meets the energy demand in diabetes by modulating the activities of aminotransferases without change in PDG activity. PMID- 29209448 TI - Sirt1 Protects Endothelial Cells against LPS-Induced Barrier Dysfunction. AB - Sepsis is a threatening health problem and characterized by microvascular dysfunction. In this study, we verified that LPS caused the downregulation of Sirt1 and the hyperpermeability of endothelial cells. Inhibition of Sirt1 with ex527 or Sirt1 siRNA displayed a higher permeability, while activation of Sirt1 with SRT1720 reversed the LPS-induced hyperpermeability, formation of fiber stress, and disruption of VE-cadherin distribution. In pulmonary microvascular vein endothelial cells isolated from wild-type mice, Sirt1 was attenuated upon LPS, while Sirt1 was preserved in a receptor of advanced glycation end product knockout mice. The RAGE antibody could also diminish the downregulation and ubiquitination of Sirt1 in LPS-exposed human umbilical vein endothelial cells. An LPS-induced decrease in Sirt1 activity was attenuated by the RAGE antibody and TLR4 inhibitor. In vivo study also demonstrated the attenuating role of Sirt1 and RAGE knockout in LPS-induced increases in dextran leakage of mesenteric venules. Furthermore, activation of Sirt1 prevented LPS-induced decreases in the activity and expression of superoxide dismutase 2, as well as the increases in NADPH oxidase 4 and reactive oxygen species, while inhibition of Sirt1 aggravated the SOD2 decline. It also demonstrated that Sirt1-deacetylated p53 is required for p53 inactivation, which reversed the downregulation of beta-catenin caused by LPS. PMID- 29209450 TI - Zinc chelation promotes streptokinase-induced thrombolysis in vitro. AB - Cardiovascular disorder occurs when a local blood clot obstructs an artery or a vein to its surround organs, causing related tissues to lose function and die. It is one of the leading causes of mortality and a major cause of disability. The effect of thrombolysis induced by injecting intravenous thrombolytic agents is critical for reducing tissue damages. Streptokinase (SK) is a widely used thrombolytic agent in the treatment of thromboembolism in the blood vessels. A high unit of streptokinase is used in thrombolytic therapies for thrombotic disorders and could improve tissue reperfusion. It is a potent plasminogen activator. However, safety concerns for the usage of a high unit of streptokinase have been raised for the hemorrhagic transformation. In the present study, we studied how zinc would affect streptokinase-induced thrombolysis in vitro, and proposed a strategy to improve streptokinase's effectiveness in promoting thrombolysis. The mice whole blood was used to form the blood clot in vitro by incubating with calcium at 37 degrees C for 30 minutes. Streptokinase was used for inducing thrombolysis measured with the spectrophotometer. Zinc and its chelator, Ca-EDTA, were applied with streptokinase, respectively. Results showed that the co-application zinc inhibited the thrombolytic effect of streptokinase in a dose-dependent manner. Zinc chelator, Ca-EDTA, significantly increased the effect of streptokinase-induced thrombolysis. Our results suggest that zinc chelation improved the efficiency of streptokinase in thrombolysis. The results may have a significant clinical implication by potentially reducing the adverse effect of streptokinase application. PMID- 29209451 TI - miR-149 reduces while let-7 elevates ASIC1a expression in vitro. AB - Acid-sensing ion channel 1a (ASIC1a) is the key subunit that determines acid activated currents in neurons. ASIC1a is important for neural plasticity, learning, and for multiple neurological diseases, including stroke, multiple sclerosis, and traumatic injuries. These findings underline the importance for better defining mechanisms that regulate ASIC1a expression. During the past decade, microRNA has emerged as one important group of regulatory molecules in controlling protein expression. However, little is known about whether microRNA regulates ASIC1a. Here, we assessed several microRNAs that have predicted targeting sequences in the 3' untranslated region (UTR) of mouse ASIC1a. Our results indicated that miR-144 and -149 reduced ASIC1a expression while Let-7 increased ASIC1a protein levels. miR-30c, -98, -125, -182* had no significant effect. Since a reduction in ASIC1a expression may have translational potentials in treating neuronal injury, we further asked whether the effect of miR-144 and miR-149, both reduced ASIC1a expression, was through specific targeting of the predicted sites on ASIC1a. We mutated the targeting sequence of miR-144 and miR 149 in ASIC1a UTR. The effect of miR-149 was abolished in the corresponding mutation. In contrast, miR-144 still reduced ASIC1a level when its predicted target sequence was mutated. This result indicates that miR-149 targets the 3'UTR of ASIC1a and reduces its expression. PMID- 29209452 TI - Protective roles of hepatic GABA signaling in liver injury. AB - In addition to functioning as a neurotransmitter, gamma-aminobutyric acid (GABA) generates signals, via its type A or type B receptors (GABAARs or GABABRs), in various types of cells. Studies, including ours, show that GABAAR-mediated auto- and paracrine GABAergic signaling occurs in rodent hepatocytes and cholangiocytes, protecting the liver against toxic injuries. This short article briefly introduces the GABA signaling system in rodent livers and discusses potential mechanisms by which the hepatic GABA signaling protects the liver function. PMID- 29209453 TI - Statistical methods and common problems in medical or biomedical science research. AB - Statistical thinking is crucial for studies in medical and biomedical areas. There are several pitfalls of using statistics in these areas involving in experimental design, data collection, data analysis and data interpretation. This review paper describes basic statistical design problems in biomedical or medical studies and directs the basic scientists to better use of statistical thinking. The contents of this paper were based on previous literatures and our daily basic support work. It includes the sample size determination and sample allocation in experimental design stage, numerical and graphical data summarization, and statistical test methods as well as the related common errors at design and analytic stages. Literatures and our daily support works show that misunderstanding and misusing of statistical concept and statistical test methods are significant problems. These may include ignoring the sample size and data distribution, incorrect summarization measurement, wrong statistical test methods especially for repeated measures, ignoring the assumption for t-test or ANOVA test, failing to perform the adjustment for multiple comparison. This review intends to help the researchers in basic medical or biomedical areas to enhance statistical thinking and make fewer errors in study design and analysis of their studies. PMID- 29209454 TI - Kimchi attenuates fatty streak formation in the aorta of low-density lipoprotein receptor knockout mice via inhibition of endoplasmic reticulum stress and apoptosis. AB - BACKGROUND/OBJECTIVES: Endoplasmic reticulum (ER) stress is positively associated with atherosclerosis via elevating macrophage cell death and plaque formation, in which oxidative stress plays a pivotal role. Antioxidative, lipid-lowering, and anti-atherogenic effects of kimchi, a Korean fermented vegetable, have been established, wherein capsaicin, ascorbic acid, quercetin, 3-(4'-hydroxyl-3',5' dimethoxyphenyl)propionic acid, and lactic acids were identified. In this study, mechanisms of action of kimchi methanol extracts (KME) on fatty streak formation via suppression of ER stress and apoptosis in aorta were examined in low-density lipoprotein receptor knockout mice. MATERIALS AND METHODS: Mice fed a high cholesterol diet with an oral administration of KME (KME group, 200 mg.kg-bw 1.day-1) or distilled water (control group) for 8 weeks (n = 20 for group). Plasma lipid and oxidative stress levels were evaluated. Protein expression was measured by western blot assay. Fatty streak lesion size and the degree of apoptosis were examined in the aorta. RESULTS: Compared to the control group, in the KME group, plasma lipids levels were decreased and oxidative stress was alleviated (P < 0.05). Protein expression levels of nuclear factor (erythroid derived 2)-like 2-mediated antioxidants in aorta were increased whereas those for ER stress markers, glucose regulated protein 78, phospho-protein kinase RNA-like ER kinase, phospho-eukaryotic initiation factor 2 subunit alpha, X-box binding protein 1, and C/EBP homologous protein were decreased in the KME group (P < 0.05). Moreover, apoptosis was suppressed via downregulation of phospho-c-Jun N terminal kinase, bcl-2-associated X protein, caspases-9, and -3 with a concomitant upregulation of anti-apoptotic protein, B-cell lymphoma 2 (P < 0.05). Fatty streak lesion size was reduced and the degree of apoptosis was less severe in the KME group (P < 0.05). CONCLUSIONS: In conclusion, antioxidant activity of KME might prevent fatty streak formation through, in part, inhibition of ER stress and apoptosis in aortic sinus where macrophages are harbored. PMID- 29209455 TI - Acute and 13-week subchronic toxicological evaluations of turanose in mice. AB - BACKGROUND/OBJECTIVES: Turanose, alpha-D-glucosyl-(1->3)-alpha-D-fructose, is a sucrose isomer which naturally exists in honey. To evaluate toxicity of turanose, acute and subchronic oral toxicity studies were conducted with ICR mice. MATERIALS AND METHODS: For the acute oral toxicity study, turanose was administered as a single oral dose [10 g/kg body weight (b.w.)]. In the subchronic toxicity study, ICR mice were administered 0, 1.75, 3.5, and 7 g/kg b.w. doses of turanose daily for 13 weeks. RESULTS: No signs of acute toxicity, including abnormal behavior, adverse effect, or mortality, were observed over the 14-day study period. In addition, no changes in body weight or food consumption were observed and the median lethal dose (LD50) for oral intake of turanose was determined to be greater than 10 g/kg b.w. General clinical behavior, changes in body weight and food consumption, absolute and relative organ weights, and mortality were not affected in any of the treatment group for 13 weeks. These doses also did not affect the macroscopic pathology, histology, hematology, and blood biochemical analysis of the mice examined. CONCLUSION: No toxicity was observed in the acute and 13-week subchronic oral toxicology studies that were conducted with ICR mice. Furthermore, the no-observed-adverse-effect level is greater than 7 g/kg/day for both male and female ICR mice. PMID- 29209456 TI - Novel glutathione-containing dry-yeast extracts inhibit eosinophilia and mucus overproduction in a murine model of asthma. AB - BACKGROUND/OBSECTIVE: Airway inflammation by eosinophils, neutrophils and alveolar macrophages is a characteristic feature of asthma that leads to pathological subepithelial thickening and remodeling. Our previous study showed that oxidative stress in airways resulted in eosinophilia and epithelial apoptosis. The current study investigated whether glutathione-containing dry yeast extract (dry-YE) ameliorated eosinophilia, goblet cell hyperplasia and mucus overproduction. MATERIALS/METHOD: This study employed 2 ug/mL lipopolysaccharide (LPS)- or 20 ng/mL eotaxin-1-exposed human bronchial epithelial cells and ovalbumin (OVA)-challenged mice. Dry-YE employed in this study contained a significant amount of glutathione (140 mg in 100 g dry yeast). RESULTS: Human bronchial epithelial cell eotaxin-1 and mucin 5AC (MUC5AC) were markedly induced by the endotoxin LPS, which was dose-dependently attenuated by nontoxic dry-YE at 10-50 ug/mL. Moreover, dry-YE inhibited the MUC5AC induction enhanced by eotaxin-1, indicating that eotaxin-1-mediated eosinophilia may prompt the MUC5AC induction. Oral supplementation with 10-100 mg/kg dry-YE inhibited inflammatory cell accumulation in airway subepithelial regions with a reduction of lung tissue level of intracellular adhesion molecule-1. In addition, >= 50 mg/kg dry-YE diminished the lung tissue levels of eotaxin-1, eosinophil major basic protein and MUC5AC in OVA-exposed mice. Alcian blue/periodic acid schiff staining revealed that the dry-YE supplementation inhibited goblet cell hyperplasia and mucus overproduction in the trachea and bronchiolar airways of OVA-challenged mice. CONCLUSIONS: Oxidative stress may be involved in the induction of eotaxin-1 and MUC5AC by endotoxin episode and OVA challenge. Dry-YE effectively ameliorated oxidative stress-responsive epithelial eosinophilia and mucus-secreting goblet cell hyperplasia in cellular and murine models of asthma. PMID- 29209457 TI - Anti-fibrotic effects of Orostachys japonicus A. Berger (Crassulaceae) on hepatic stellate cells and thioacetamide-induced fibrosis in rats. AB - BACKGROUND/OBJECTIVE: Orostachys japonicus A. Berger (Crassulaceae) has been used in traditional herbal medicines in Korea and other Asian countries to treat various diseases, including liver disorders. In the present study, the anti fibrotic effects of O. japonicus extract (OJE) in cellular and experimental hepatofibrotic rat models were investigated. MATERIALS/METHODS: An in vitro hepatic stellate cells (HSCs) system was used to estimate cell viability, cell cycle and apoptosis by MTT assay, flow cytometry, and Annexin V-FITC/PI staining techniques, respectively. In addition, thioacetamide (TAA)-induced liver fibrosis was established in Sprague Dawley rats. Briefly, animals were divided into five groups (n = 8): Control, TAA, OJE 10 (TAA with OJE 10 mg/kg), OJE 100 (TAA with OJE 100 mg/kg) and silymarin (TAA with Silymarin 50 mg/kg). Fibrosis was induced by treatment with TAA (200 mg/kg, i.p.) twice per week for 13 weeks, while OJE and silymarin were administered orally two times per week from week 7 to 13. The fibrotic related gene expression serum biomarkers glutathione and hydroxyproline were estimated by RT-PCR and spectrophotometry, respectively, using commercial kits. RESULTS: OJE (0.5 and 0.1 mg/mL) and silymarin (0.05 mg/mL) treatment significantly (P < 0.01 and P < 0.001) induced apoptosis (16.95% and 27.48% for OJE and 25.87% for silymarin, respectively) in HSC-T6 cells when compared with the control group (9.09%). Further, rat primary HSCs showed changes in morphology in response to OJE 0.1 mg/mL treatment. In in vivo studies, OJE (10 and 100 mg/kg) treatment significantly ameliorated TAA-induced alterations in levels of serum biomarkers, fibrotic related gene expression, glutathione, and hydroxyproline (P < 0.05-P < 0.001) and rescued the histopathological changes. CONCLUSIONS: OJE can be developed as a potential agent for the treatment of hepatofibrosis. PMID- 29209458 TI - The effects of daily intake timing of almond on the body composition and blood lipid profile of healthy adults. AB - BACKGROUND/OBJECTIVES: Timing of almond intake during a day may result differently in the perspectives of body composition and changes of lipid profile. The current study was conducted to compare the effects of daily almond intake as a preload versus as a snack on body composition, blood lipid profile, and oxidative and inflammation indicators among young Korean adults aged 20-39 years old. SUBJECTS/METHODS: Participants were randomly assigned to one of three groups: a pre-meal almond group (PM), a snack almond group (SN) in which participants were instructed to consume 56 g of almonds either as a preload before meals or as a snack between meals, respectively, and a control group (CL) in which participants were provided high-carbohydrate iso-caloric control food. Measurements were performed at baseline, weeks 8 and 16. RESULTS: A total of 169 (M 77/F 92) out of the 227 participants completed the study between June 2014 and June 2015 (n = 58 for PM; 55 for SN; and 56 for CL). A significant decrease in body fat mass was observed in the PM group at both weeks 8 and 16 compared with the CL. There were significant intervention effects on changes of body fat mass (P = 0.025), body fat percentages (P = 0.019), and visceral fat levels (P < 0.001). Consuming almonds as a daily snack reduced the levels of total cholesterol (P = 0.043) and low-density lipoprotein (LDL) cholesterol (P = 0.011) without changing high-density lipoprotein (HDL) cholesterol compared with the CL. CONCLUSION: Almond consumption as a preload modified body fat percentages, whereas snacking on almonds between meals improved blood lipid profiles. This trial was registered at ClinicalTrials.gov as NCT03014531. PMID- 29209459 TI - Effects of zinc supplementation on catch-up growth in children with failure to thrive. AB - BACKGROUND/OBJECTIVES: Although globally the numbers of children diagnosed with failure to thrive (FTT) have decreased, FTT is still a serious pediatric problem. We aimed to investigate the effects of zinc supplementation for 6 months on growth parameters of infants and children with FTT. SUBJECTS/METHODS: In this retrospective study, of the 114 participants aged between 4 months and 6 years, 89 were included in the zinc supplementation group and were provided with nutrition counseling plus an oral zinc supplement for 6 months. The caregivers of the 25 participants in the control group received nutrition counseling alone. Medical data of these children, including sex, age, height, weight, serum zinc level, and serum insulin-like growth factor 1 (IGF1) level were analyzed. RESULTS: Zinc supplementation for 6 months increased weight-for-age Z-score and serum zinc levels (5.5%) in the zinc supplementation group of underweight category children. As for stunting category, height-for-age Z-score of the participants in the zinc supplementation group increased when compared with the baseline, and serum zinc levels increased in the normal or mild stunting group. Serum IGF1 levels did not change significantly in any group. Thus, zinc supplementation was more effective in children in the underweight category than those in the stunted category; this effect differed according to the degree of the FTT. CONCLUSION: These findings suggest that zinc supplementation may have beneficial effects for growth of infants and children with FTT, and zinc supplementation would be required according to degree of FTT. PMID- 29209460 TI - Association of dietary patterns with overweight risk and all-cause mortality in children with cancer. AB - BACKGROUND/OBJECTIVES: This study aimed to investigate the association of dietary patterns with overweight risk and all-cause mortality in pediatric cancer patients. SUBJECTS/METHODS: Prospective cohort study was undertaken; 83 cancer patients admitted to the pediatric cancer ward at a university hospital in Seoul were included and followed for obesity and death over 24 months. Food consumption data were collected from patients using validated meal order sheets for breakfast, lunch, and dinner at the pediatric cancer ward over 3 days. Using principal component analysis, three dietary patterns were derived from 29 food groups. RESULTS: Eighteen deaths occurred among the patient cohort during the follow-up period. The "spicy & fried meat and fish" dietary pattern was positively associated with overweight risk at both baseline [odds ratio (OR) = 4.396, 95% confidence interval (CI) = 1.111-17.385, P for trend = 0.023] and after 6 months (OR = 4.088, 95% CI = 1.122-14.896, P for trend = 0.025) as well as all-cause mortality (hazard ratios = 5.124, 95% CI = 1.080-24.320, P for trend = 0.042), when comparing the highest and lowest tertiles after adjusting for covariates. The "fish, egg, meat, and fruits & vegetables" dietary pattern was associated with lower overweight risk after 24 months (OR = 0.157, 95% CI = 0.046 0.982, P for trend = 0.084). CONCLUSION: The results imply that dietary patterns might be associated with weight gain and premature death among pediatric cancer patients. PMID- 29209461 TI - Selection of key foods for the systematic management of a food and nutrient composition database. AB - BACKGROUND/OBJECTIVES: Food composition databases are necessary for assessing dietary intakes. Developing and maintaining a high quality database is difficult because of the high cost of analyzing nutrient profiles and the recent fast changing food marketplace. Thus, priorities have to be set for developing and updating the database. We aimed to identify key foods in the Korean diet to set priorities for future analysis of foods. SUBJECTS/METHODS: modified the US Department of Agriculture's key food approach. First, major foods were analyzed, contributing to 75%, 80%, 85%, or 90% of each nutrient intake. Second, the cumulative contributions to nutrient intakes were compared before and after excluding the foods least commonly consumed by individuals. Third, total nutrient score for each food was calculated by summing all percent contributions times 100 for nutrients. To set priorities among the foods in the list, we sorted the score in descending order and then compared total percent contributions of foods, within the 100, 90, 85, 80, and 75 percentiles of the list. Finally, we selected the minimum list of foods contributing to at least 90% of the key nutrient intake as key items for analysis. RESULTS: Among the 1,575 foods consumed by individuals, 456 were selected as key foods. Those foods were chosen as items above the 80 percentile of the total nutrient score, among the foods contributing at least 85% of any nutrient intake. On an average, the selected key foods contributed to more than 90% of key nutrient intake. CONCLUSIONS: In total, 456 foods, contributing at least 90% of the key nutrient intake, were selected as key foods. This approach to select a minimum list of key foods will be helpful for systematically updating and revising food composition databases. PMID- 29209462 TI - Dietary intakes of adolescents from food insecure households: analysis of data from the 6th (2013-2015) Korea National Health and Nutrition Examination Survey. AB - BACKGROUND/OBJECTIVES: This study aimed at evaluating the dietary intakes of Korean adolescents affected by food insecurity, in comparison with those who were food secure. SUBJECTS/METHODS: The study used one day 24-hour dietary recall data from the 6th Korea National Health and Nutrition Examination Survey. The study subjects consisted of 1,453 adolescents of whom 695 were middle school-aged and 758 were high school-aged. Food security status was assessed using the 18-item questionnaire. Nutrient intake was evaluated in terms of nutrient density, insufficient intake, and excessive intake for selected nutrients, in addition to meeting the appropriate range for total energy intake and energy intakes from carbohydrate, sugar, protein, fat, and saturated fatty acids. Food intake was evaluated in terms of food group servings and dietary diversity score (DDS). RESULTS: The percentages of food insecurity were 11.1% for middle school-aged adolescents and 16.8% for high school-aged adolescents. Food insecure middle school-aged adolescents had higher intake of carbohydrate (P = 0.006) but lower intake of fat (P = 0.010) and saturated fatty acids (P = 0.005) than their food secure counterparts although the intake of both groups was in the recommended ranges. Nutrient intake among high school-aged adolescents was generally similar regardless of food security status. Both food secure and insecure adolescents showed insufficient intake of vitamin A, vitamin C, and calcium, and excessive sodium intake. They additionally had low prevalence of meeting appropriate intake ranges for energy, carbohydrate, and sugar. Food intake in terms of food group servings and DDS was also similar regardless of food security status among both age groups, with low intakes of foods from fruit and dairy groups. CONCLUSIONS: Except for a few nutrients among the middle school-aged adolescents, dietary intakes among Korean adolescents did not differ by food security status in this study. PMID- 29209463 TI - Eating patterns of children's favorite foods and its related factors among elementary, middle, and high school students in Korea. AB - BACKGROUND/OBJECTIVES: There are limited studies investigating the eating patterns of children's favorite foods. The present study aimed to evaluate a wide range of children's favorite foods, derive its eating patterns, and identify factors related to the patterns. SUBJECTS/METHODS: A nationwide cross-sectional study included 5,458 students in elementary, middle, and high schools. The survey was conducted at each school to evaluate children's favorite food intake, including the intake frequency of 31 food items or food groups, and its related factors, such as demographic, economic, and environmental characteristics and awareness of policies on children's favorite foods. Factor analysis using varimax rotation method and logistic regression analysis were conducted. RESULTS: Two factors were derived as major eating patterns from data of children's favorite foods: the 'unhealthy eating pattern' which mainly involves confectionery, chocolate, ramen, fried food, etc.; and the 'healthy eating pattern' which mainly involves soybean milk, vegetables, fruit juice, and nuts. A stepwise selection procedure through the regression analysis revealed that allowance, use of screen media, less awareness of policies on children's favorite foods, and less interest in health were positively related to the tendency of unhealthy or less-healthy eating patterns (P < 0.05). CONCLUSIONS: This study examined that the eating patterns of children's favorite foods were associated with certain environmental characteristics and awareness about the related policies. These findings suggest that a nutrition education program regarding children's favorite foods needs to be conducted according to the characteristics of students to develop their healthy eating habits and proper choice of favorite foods. PMID- 29209464 TI - Erratum: Agrobacterium sp.-derived beta-1,3-glucan enhances natural killer cell activity in healthy adults: a randomized, double-blind, placebo-controlled, parallel-group study. AB - [This corrects the article on p. 43 in vol. 11, PMID: 28194264.]. PMID- 29209466 TI - Peritraumatic dissociation predicts posttraumatic stress disorder symptoms via dysfunctional trauma-related memory among war-affected children. AB - Background: Among adults there is strong evidence about peritraumatic dissociation (PD) predicting posttraumatic stress disorder (PTSD), yet evidence among children is very limited. It has been suggested that disturbances in memory functioning might explain the association between PD and PTSD, but this has not yet been empirically tested. Objective: We aimed to test the hypotheses that greater PD would be associated with more posttraumatic stress disorder (PTSD) symptoms, and that some of this association would be mediated by disorganized and non-verbal memories about the traumatic event. Method: The sample included 197 Palestinian children (10-12-years) living in the Gaza Strip, participating in the aftermath of the 2008/9 war. Self-report questionnaires were used to measure PD (Peritraumatic Dissociative Experiences Questionnaire) three months post-war, as well as trauma-related memory (Trauma Memory Quality Questionnaire) and PTSD symptoms (Children's Revised Impact of Event Scale) six months later. Exposure to war trauma was assessed by a checklist. Structural equation modelling was used to examine direct and indirect paths from PD to posttraumatic PTSS, controlling for number of traumatic war events. Results: Structural equation modelling results showed that greater self-reported PD predicted higher levels of PTSS nine months post-war, and that a significant part, but not all, of this relationship was mediated via the quality of trauma-related memories. Conclusions: This study provided empirical evidence that, among war-affected children, greater PD during traumatic events is linked with higher levels of PTSD symptoms several months later, even when accounting for their personal exposure to war trauma. Further, the study supported the idea that the detrimental effects of dissociation during a traumatic event may be due to dysfunctional memories characterized by disorganization and lack of access to verbal and coherence. Further tests of these hypotheses with larger samples and more points of measurement are called for. PMID- 29209465 TI - Two-component signal transduction systems in oral bacteria. AB - We present an overview of how members of the oral microbiota respond to their environment by regulating gene expression through two-component signal transduction systems (TCSs) to support conditions compatible with homeostasis in oral biofilms or drive the equilibrium toward dysbiosis in response to environmental changes. Using studies on the sub-gingival Gram-negative anaerobe Porphyromonas gingivalis and Gram-positive streptococci as examples, we focus on the molecular mechanisms involved in activation of TCS and species specificities of TCS regulons. PMID- 29209468 TI - Cardiovascular Risk Assessment Based on Combined Body Mass Index and Waist Circumference in Korean Adults. PMID- 29209469 TI - Probability or Reasoning: Current Thinking and Realistic Strategies for Improved Medical Decisions. AB - A prescriptive model approach in decision making could help achieve better diagnostic accuracy in clinical practice through methods that are less reliant on probabilistic assessments. Various prescriptive measures aimed at regulating factors that influence heuristics and clinical reasoning could support clinical decision-making process. Clinicians could avoid time-consuming decision-making methods that require probabilistic calculations. Intuitively, they could rely on heuristics to obtain an accurate diagnosis in a given clinical setting. An extensive literature review of cognitive psychology and medical decision-making theory was performed to illustrate how heuristics could be effectively utilized in daily practice. Since physicians often rely on heuristics in realistic situations, probabilistic estimation might not be a useful tool in everyday clinical practice. Improvements in the descriptive model of decision making (heuristics) may allow for greater diagnostic accuracy. PMID- 29209470 TI - The Effect of Having a Regular Doctor as a Primary Care Provider on Emergency Room Utilization in South Korea. AB - Background: Because primary care is the cornerstone of an effective health care system, many developed countries have striven to establish and strengthen their primary care systems. However, the primary care system in South Korea is not well established, and primary care research is still in its infancy. This study aimed to show the benefits of regular doctors as primary care providers in South Korea by analyzing the effect of regular doctor visits on emergency room (ER) visits. Methods: We analyzed cross-sectional data on 11,293 adults aged 18 years and over collected from the 2013 Korea Health Panel Survey (beta version 1.0). We classified those participants with and without regular doctors into the treatment and control groups, respectively, and estimated the average treatment effect (ATE) of having a regular doctor on ER visits. We used counterfactual framework and propensity score analysis to adjust for unevenly distributed confounding covariates between treatments and control groups. Results: The estimated conditional ATE of a regular doctor on ER visits was statistically insignificant in the general population (-0.4%; 95% confidence interval [CI], -2.0 to 1.2) and in the subgroup of patients with hypertension (-1.8%; 95% CI, -4.5 to 0.9). However, in patients with diabetes mellitus (DM), the estimated ATE was statistically significant (-5.0; 95% CI, -9.2 to -0.7). Conclusion: In the total study population, having a regular doctor did not result in a significant difference in ER visits. However, there was a decrease in ER visits in patients with DM in South Korea. PMID- 29209471 TI - General Practitioners' Perceptions on Clinical Management and Training Needs regarding the Healthcare of Community-Dwelling People with Intellectual Disability: A Preliminary Survey in Singapore. AB - Background: Studies worldwide indicate that people with intellectual disability have high risks of physical and mental morbidities, and poor quality of health care. This study was aimed at determining general practitioners' perceptions on barriers in clinical assessment and training needs with regard to the healthcare of community-dwelling people with intellectual disability. Methods: A survey questionnaire was developed specifically for the study through focus group discussions and a literature review. The study was conducted as a cross-sectional anonymous survey of private general practitioners practicing in Singapore. The survey contained questions on their experience and training needs in assessing and treating patients with intellectual disability. Results: Forty-nine of the 272 questionnaires sent out were returned. The respondents were predominantly male general practitioners working in "solo" practices. For most general practitioners, the proportion of patients with intellectual disability ranged from 1% to 5%. Nearly 90% of general practitioners identified problems in communicating with such patients as an important barrier that affected the quality of assessment of their health conditions. Other barriers identified were behavioral issues and sensory impairments. Only one-third of the general practitioners were confident that they had sufficient knowledge of physical and mental health conditions related to patients with intellectual disability. Three fourths of the general practitioners believed that further training in this area would be beneficial. Conclusion: Appropriate interventions to address barriers in assessment and management of patients with intellectual disability with further training for general practitioners may improve the standard of healthcare provided to this population group. PMID- 29209467 TI - Biological roles and potential applications of immune cell-derived extracellular vesicles. AB - Extracellular vesicles (EVs) deliver bioactive macromolecules (i.e. proteins, lipids and nucleic acids) for intercellular communication in multicellular organisms. EVs are secreted by all cell types including immune cells. Immune cell derived EVs modulate diverse aspects of the immune system to either enhance or suppress immune activities. The extensive effects of immune cell-derived EVs have become the focus of great interest for various nano-biomedical applications, ranging from the medical use of nanoplatform-based diagnostic agents to the development of therapeutic interventions as well as vaccine applications, and thus may be ideal for 'immune-theranostic'. Here, we review the latest advances concerning the biological roles of immune cell-derived EVs in innate and acquired immunity. The intercellular communication amongst immune cells through their EVs is highlighted, showing that all immune cell-derived EVs have their unique function(s) in immunity through intricate interaction(s). Natural-killer (NK) cell-derived EVs, for example, contain potent cytotoxic proteins and induce apoptosis to targeted cancer cells. On the other hand, cancer cell-derived EVs bearing NK ligands may evade immune surveillance and responses. Finally, we discuss possible medical uses for the immune cell-derived EVs as a tool for immune-theranostic: as diagnostic biomarkers, for use in therapeutic interventions and for vaccination. PMID- 29209472 TI - Uric Acid Level Has a J-Shaped Association with Arterial Stiffness in Korean Postmenopausal Women. AB - Background: Uric acid has been reported to function both as an oxidant or antioxidant depending on the context. A previous study in the Korean population reported a positive linear association between serum uric acid level and arterial stiffness in men, but little is known about how serum uric acid level is related to the risk of increased arterial stiffness in Korean postmenopausal women. Methods: We performed a cross-sectional study of 293 subjects who participated in a health examination program run by the health promotion center of Gangnam Severance Hospital between October 2007 and July 2010. High brachial-ankle pulse wave velocity was defined as a brachial-ankle pulse wave velocity of more than 1,450 cm/s. The odds ratios (ORs) for high brachial-ankle pulse wave velocity were calculated using multivariate logistic regression analysis across uric acid quartiles after adjusting for other indicators of cardiovascular risk. Results: The 293 postmenopausal women were divided into quartiles according to uric acid level. The mean brachial-ankle pulse wave velocity values of each quartile were as follows: Q1, 1,474 cm/s; Q2, 1,375 cm/s; Q3, 1,422 cm/s; Q4, 1,528 cm/s. The second quartile was designated as the control group based on mean brachial-ankle pulse wave velocity value. Multivariate adjusted ORs (95% confidence intervals) for brachial-ankle pulse wave velocity across the uric acid quartiles were 2.642 (Q1, 1.095-6.3373), 1.00, 4.305 (Q3, 1.798-10.307), and 4.375 (Q4, 1.923-9.949), after adjusting for confounding variables. Conclusion: Serum uric acid level has a J-shaped association with arterial stiffness in Korean postmenopausal women. PMID- 29209473 TI - Correlation of Cardiovascular Risk Factors with Central Obesity and Multiple Body Mass Index in Korea. AB - Background: Body mass index (BMI) and waist circumference (WC) are associated with cardiovascular (CV) risk factors. The aim of this study was to investigate the correlation of CV risk factors by cross-tabulating central obesity with multiple BMI categories in Korea. Methods: A total of 328,789 adults aged 30-84 years who completed health assessments for National Health Insurance in 2012-2013 in Korea were examined. The participants were divided into two WC and five BMI groups to investigate CV risk factors, including metabolic syndrome (MetS), hypertension, diabetes, and dyslipidemia. Results: The proportions of central obesity and obesity were 24.2% and 39.5% in men and 19.4% and 28.1% in women, respectively, according to the Korean Society for the Study of Obesity and World Health Organization Asia-Pacific Guideline criteria. The odds ratios (ORs) of CV risk factors in all sexes increased with increases in BMI and WC. Compared to the group with a normal WC and BMI, the adjusted ORs (95% confidence intervals) for having MetS and diabetes in the centrally obese and highest BMI group (BMI >=30.0 kg/m2) were 35.95 (33.75-38.30) and 3.51 (3.26-3.77) in men and 29.22 (27.36 31.20) and 4.35 (4.02-4.70) in women, respectively. Participants who were centrally obese and obese (BMI >=25.0 kg/m2) had the strongest correlation with all CV risk factors compared with those who were not centrally obese or obese. Conclusion: The presence of central obesity in multiple BMI categories may significantly identify individuals at increased risk of CV risk factors. PMID- 29209475 TI - The Relationship between the Triglyceride to High-Density Lipoprotein Cholesterol Ratio and Metabolic Syndrome. AB - Background: Metabolic syndrome is associated with cardiovascular diseases and is characterized by insulin resistance. Recent studies suggest that the triglyceride/high-density lipoprotein cholesterol (TG/HDLC) ratio predicts insulin resistance better than individual lipid levels, including TG, total cholesterol, low-density lipoprotein cholesterol (LDLC), or HDLC. We aimed to elucidate the relationship between the TG/HDLC ratio and metabolic syndrome in the general Korean population. Methods: We evaluated the data of adults >=20 years old who were enrolled in the Korean National Health and Nutrition Examination Survey in 2013 and 2014. Subjects with angina pectoris, myocardial infarction, stroke, or cancer were excluded. Metabolic syndrome was defined by the harmonized definition. We examined the odds ratios (ORs) of metabolic syndrome according to TG/HDLC ratio quartiles using logistic regression analysis (SAS ver. 9.4; SAS Institute Inc., Cary, NC, USA). Weighted complex sample analysis was also conducted. Results: We found a significant association between the TG/HDLC ratio and metabolic syndrome. The cutoff value of the TG/HDLC ratio for the fourth quartile was >=3.52. After adjustment, the OR for metabolic syndrome in the fourth quartile compared with that of the first quartile was 29.65 in men and 20.60 in women (P<0.001). Conclusion: The TG/HDLC ratio is significantly associated with metabolic syndrome. PMID- 29209474 TI - Relationship between Coffee Consumption and Metabolic Syndrome in Korean Adults: Data from the 2013-2014 Korea National Health and Nutrition Examination Survey. AB - Background: The gradually increasing demand for coffee worldwide has prompted increased interest in the relationship between coffee and health issues as well as a need for research on metabolic syndrome in adults. Methods: Data from 3,321 subjects (1,268 men and 2,053 women) enrolled in the 2013-2014 Korean National Health and Nutrition Examination Survey were analyzed. The subjects were divided into three groups according to their daily coffee consumption. The odds ratios (ORs) and 95% confidence intervals (95% CIs) for metabolic syndrome in the coffee drinking groups were calculated using multiple logistic regression analysis by adjusting for confounding variables. Results: The prevalence of metabolic syndrome was 15.5%, 10.7%, and 9.7% in men and 3.0%, 7.1%, and 6.5% in women according to their coffee consumption (less than one, one or two, or more than three cups of coffee per day), respectively. Compared with the non-coffee consumption group, the ORs (95% CIs) for metabolic syndrome in the group that consumed more than three cups of coffee was 0.638 (0.328-1.244) for men and 1.344 (0.627-2.881) for women after adjusting for age, body mass index, household income, education, smoking, alcohol, regular exercise, and daily caloric intake. Conclusion: The OR of metabolic syndrome was not statistically significant in both men and women. PMID- 29209476 TI - Osteoarthritis Affects Health-Related Quality of Life in Korean Adults with Chronic Diseases: The Korea National Health and Nutritional Examination Surveys 2009-2013. AB - Background: Osteoarthritis (OA) is a chronic disease that commonly afflicts the elderly. This disease reduces the health-related quality of life (HRQoL) and causes a significant social burden. Whether the effect of coexisting chronic conditions on HRQoL varies according to the presence of OA remains unclear. Therefore, this study aimed to investigate this notion. Methods: A total of 13,395 participants were identified from the 2009-2013 Korean National Health and Nutrition Examination Survey for analysis. HRQoL was assessed using the European quality of life-5 dimensions (EQ-5D) index. Patients with OA were defined as those diagnosed by a physician or those who displayed both, symptoms and radiological findings consistent with OA at the time of the survey. Associations between OA and 8 chronic conditions were tested using regression analysis. Results: The EQ-5D index was lower in patients with OA than in those without (mean difference, -0.145; 95% confidence interval [CI], -0.138 to -0.151; P<0.001). Most patients with OA and chronic conditions showed a lower score than those without. EQ-5D was particularly lower in OA patients with hypertension, dyslipidemia, stroke, and renal failure. The estimated beta coefficient for the interaction term was significant in renal failure (-0.034; 95% CI, -0.055 to 0.012), after adjusting for demographic and socio-economic variables. Conclusion: OA significantly affects HRQoL of Korean elderly individuals alone or when combined with other conditions. OA combined with renal failure is particularly detrimental. These results indicate the importance of managing OA, which is an underestimated disease in public health surveys. PMID- 29209477 TI - Association of Occupational Class with Healthcare Utilization among Economically Active Korean Adults from 2006 to 2014: A Repeated Cross-Sectional Study of Koreans Aged 19 Years and Older. AB - Background: To investigate the impact of indicators of occupational class on healthcare utilization by using longitudinal data from a nationally representative survey. Methods: Data were obtained from the Korean Welfare Panel Study conducted from 2006 (wave 1) through 2014 (wave 9). A total of 5,104 individuals were selected at baseline (2006). Analysis of variance and longitudinal data analysis were used to evaluate the following dependent variables: number of outpatient visits and number of days spent in the hospital per year. Results: The number of annual outpatient visits was 4.298 days higher (P<0.0001) in class IV, 0.438 days higher (P=0.027) in class III, and 0.335 days higher (P=0.035) in class II than in class I. The number of days spent in the hospital per year was 0.610 days higher (P=0.001) in class IV, 0.547 days higher (P<0.0001) in class III, and 0.115 days higher (P=0.136) in class III than in class I. In addition, the number of days spent in the hospital in class IV patients with unmet healthcare needs showed an opposite trend to that predicted on the basis of socioeconomic status (estimate,-8.524; P-value=0.015). Conclusion: Patients whose jobs involved manual or physical labor were significantly associated with higher healthcare utilization. Thus, the results suggest that healthcare utilization in different occupational classes should be improved by monitoring work environments and promoting health-enhancing behaviors. PMID- 29209478 TI - Association between Sarcopenia and Dipstick Proteinuria in the Elderly Population: The Korea National Health and Nutrition Examination Surveys 2009 2011. AB - Background: Sarcopenia and proteinuria are significant health difficulties in the elderly; however, few studies have investigated their relationship. In this study, we investigated the association between sarcopenia and proteinuria in Korean subjects over 60 years old. Methods: We included data from the Korean National Health and Nutrition Examination Survey, a cross-sectional, nationally representative survey conducted from 2009 to 2011 (n=4,008). Sarcopenia was defined using appendicular skeletal muscle mass as a percentage of body weight. Proteinuria was defined by a urine dipstick test result above trace levels. Results: The overall proteinuria prevalence was 7.2%. The incidence of sarcopenia was significantly higher in subjects with proteinuria. The prevalence of proteinuria was significantly higher in the sarcopenic group (5.5% vs. 14.5% in the non-chronic kidney disease (CKD) group; 17.2% vs. 23.2% in the CKD group) than in the non-sarcopenic group. Furthermore, sarcopenic participants had worse metabolic parameters, such as higher body mass indexes, waist circumferences, and fasting glucose levels, and lower high-density lipoprotein cholesterol levels than those in the non-CKD group. After adjustment for confounders, the odds ratios (95% confidence interval) for proteinuria were 2.84 (1.92-4.18) in the sarcopenic non-CKD group, 3.70 (2.59-5.30) in the non-sarcopenic CKD group, and 5.19 (2.64-10.18) in the sarcopenic CKD group, compared to the non-sarcopenic, non-CKD group. Sarcopenia increased the proteinuria risk in elderly participants without CKD, even after adjustment for obesity, hypertension, diabetes, and metabolic syndrome. Conclusion: These findings showed that sarcopenia was associated with dipstick proteinuria, especially in elderly participants without CKD, regardless of comorbidities. PMID- 29209479 TI - A Brief Psychotic Episode with Depressive Symptoms in Silent Right Frontal Lobe Infarct. AB - Psychiatric symptoms may be related to a silent cerebral infarct, a phenomenon that has been described previously in literature. Acute psychosis or other neuropsychiatric symptoms including depression may present in stroke patients and patients with lesions either within the prefrontal or occipital cortices, or in subcortical areas such as the basal ganglia, thalamus, mid-brain, and brainstem. Psychosis in clinical stroke or in silent cerebral infarction is uncommon and not well documented in the literature. Neurological deficits are the most common presentation in stroke, and nearly a third of patients that suffer a stroke may experience psychological disorders such as depression and anxiety, related to physical disability. The present case report describes an elderly female patient who presented with hallucinations and depressive symptoms, and was discovered to have a recent right frontal brain infarction, without other significant neurological deficits. PMID- 29209480 TI - The introduction of a video corner in Facts, View & Vision: why and when? PMID- 29209481 TI - Endoscopic surgery: One picture worth thousand words. PMID- 29209482 TI - The place for prophylactic cerclage in the infertile patient with established cervical incompetence who conceived twins after septum reduction. AB - Introduction: It is well known that cervical incompetence and associated preterm birth confers greater morbidity and mortality on birth outcomes, with an additional increased risk of cervical incompetence in higher order gestations. While the pathophysiology of cervical incompetence has yet to be elucidated, research has identified risk factors and assessed outcomes of numerous interventions. Cervical cerclage has been shown, in certain situations involving singleton pregnancies, to improve outcomes. Conversely, rescue cerclage increases the risk of preterm birth in twin gestations. However, these studies did not consider the unique situation of infertile patients, with known cervical incompetence, who have utilized assisted reproductive technologies to attain pregnancy. This study aims to describe the outcomes of infertile patients with known cervical incompetence, carrying twin gestation, who have undergone cervical cerclage. Methods: This case series includes eight infertile patients who have cervical incompetence resulting in fetal loss between 20-24 weeks after in vitro fertilization embryo transfer (IVF-ET). These patients continued with IVF treatments and subsequently conceived twins. All patients underwent prophylactic cervical cerclage placement before 12 weeks. The outcomes of these pregnancies are reviewed. Results: All pregnancies resulted in the delivery of viable twins. Six of the eight pregnancies (75%) were carried beyond 34 weeks. One pregnancy delivered at 31 weeks and one pregnancy delivered at 25 weeks after placental abruption. Conclusions: This data suggest that the use of prophylactic cervical cerclage may be beneficial in improving reproductive outcomes in infertile patients with known cervical incompetence that subsequently conceived twin gestations via IVF-ET treatment. PMID- 29209483 TI - Guiding histological assessment of uterine lesions using 3D in vitro ultrasonography and stereotaxis. AB - Objective: To compare ultrasonographic features of uterine lesions with the findings at macroscopy and microscopy. Methods: Case series of ten consecutive women undergoing a hysterectomy for uterine pathology. A preoperative transvaginal ultrasound examination was performed. After hysterectomy, the uterus was re-evaluated by 3D in vitro ultrasonography and in vitro gel instillation sonography (iGIS). The lesion of interest was pinpointed by inserting an intramuscular injection needle using a free-hand 2D-ultrasound guided technique to focus the macroscopic and the microscopic examination by the pathologist. Results: Adenomyosis, benign fibroids and infiltrating endometrial cancer were diagnosed in six, five and one patient, respectively. We found that iGIS improved image quality of in vitro ultrasound. There was a good correlation between the reported ultrasound features and the final histological diagnosis. Some lesions had been misinterpreted during preoperative ultrasonography or at macroscopical examination: e.g. dense myometrial vessels reported as small myometrial cysts at grey scale ultrasound examination; absence of macroscopical lesions in a case of diffuse adenomyosis. Conclusions: In vitro 3D ultrasonography and iGIS allow for accurate mapping of uterine lesions so that ultrasound features can be matched with final histology. Our series demonstrates some pitfalls in the interpretation of sonographic and macroscopic features of uterine lesions. Stereotaxis of focal uterine lesions could focus histological assessment and reduces examination time for the pathologist. PMID- 29209484 TI - Correlation between saliva and serum concentrations of estradiol in women undergoing ovarian hyperstimulation with gonadotropins for IVF/ICSI. AB - Aim of the study: To examine saliva- and serum concentrations correlation of estradiol (E2) in women undergoing ovarian hyperstimulation for IVF/ICSI. Saliva measurements could simplify stimulation follow up. A 'home' test for E2 could be useful. Methods: Prospective interventional academic monocentric study at the Centre for Reproductive Medicine of the University Hospital of Ghent, Belgium. Between November 2014 and August 2015 thirty-one patients were included after random selection (inclusion criteria: < 41 years of age, any rank of IVF/ICSI cycle, serum anti- Mullerian hormone concentration >= 1 MUg/L, treatment completely at the University Hospital.) Measurements took place using immunoassay serum measurements. Estradiol was determined in saliva and serum by LC-MS/MS. At every control, E2 was measured in saliva and serum. Equilibrium analysis on a part of the serum samples took place. Statistic method used is a linear Mixed- Effects model (MIXED) in SPSS. Results: Statistical analysis shows a strong linear relation between serum and salivary E2, (R2 of 0.75). E2 in equilibrium dialysis and E2 in serum were also strong correlated (R2 of 0.85). Conclusions: Strong correlation between serum and salivary E2 concentrations was found. Equilibrium dialysis showed good correlation with salivary E2. Saliva can be a good surrogate for free E2 in women undergoing ovarian hyperstimulation. This may create an opportunity to develop a point of care test for measuring E2, in purpose to simplify screening for OHSS risk. PMID- 29209485 TI - Influence of BMI and smoking on IUI outcome with partner and donor sperm. AB - There is limited literature on the influence of smoking and BMI on success rates after intrauterine insemination (IUI). As a result of a prospective cohort study we could investigate data from 1401 IUI cycles with partner semen and 1264 IUI cycles with donor semen, primary outcome being clinical pregnancy rate (CPR). Univariate statistical analysis showed significant influence of female BMI on clinical pregnancy in the partner insemination group (CPR of 6,5%, 8%, 16,3% and 9,4% for a female BMI < 20, 20-24.9, 25-29.9 and 3 30, p=0.032), while in the donor group this in uence was not signi cant (CPR respectively 11.1% (BMI< 20), 18.5% (20-24.9), 18.0% (25-29.9) and 14.7% for BMI 3 30). Multivariate analysis through generalized estimating equations (GEE) could not confirm this significant influence of female BMI on fecundity in the partner semen group. For smoking, univariate statistical analysis revealed male smoking to be a negative influence for the clinical pregnancy rate in the partner insemination group (10.9% CPR in couples with male non-smokers versus 5.9% with male partners smoking 1-14 cig/day, p=0.017). After multivariate GEE analysis this result remained significant (p< 0,01). In the donor semen group female non-smoking or smoking less than 15 cigarettes a day turned out to be significantly associated with a higher CPR compared to women smoking more than 15 cigarettes daily (16.8% and 24.5% versus 5.6%, p=0,01). These results were also significant after multivariate GEE analysis (p= 0,047 and p= 0,02). PMID- 29209486 TI - Impact of the angle used in 2D Ultrasonography on the foetal femur diaphysis measurement. AB - Objective: The purpose of this pilot study is to compare the 2D scanning measurement of the foetal femoral diaphysis using anterior or lateral/external incidence at ultrasound. Methods: In August 2016, 30 consecutive patients underwent a second trimester morphology ultrasound between 21 and 24 weeks of gestation by a senior sonographist. In each case, the femur length was measured either with an anterior angle, estimating the straight aspect of the diaphysis or with a lateral angle, assessing its curved aspect. The two measures were collected prospectively. The difference between paired measurements was calculated and expressed in percentage (mm) and in percentile. Results: The median difference between the two ultrasound angles in terms of femur length was 3,55% and in terms of percentile variation was 17,16. Conclusion: An anterior angle of measurement of the femur length seems to allow an optimal measure of the straight and longest aspect of the diaphysis. According to our results, this angle should be considered when scoring the quality of a morphological ultrasound, but further and larger studies should be done to confirm our hypothesis. PMID- 29209487 TI - First steps of laparoscopic surgery in a sub-Saharan African setting: a nine month review at the Douala Gynaeco-Obstetric and Pediatric Hospital (Cameroon). AB - Objectives: To describe the first laparoscopic surgeries in a tertiary hospital in Cameroon. Methods: We carried out a descriptive study at the Douala Gynaeco Obstetric and Pediatric Hospital (DGOPH). We examined the files of the 45 patients who underwent laparoscopic surgery from November 1, 2015 to July 31, 2016. Descriptive statistics were computed for patients' characteristics and surgical parameters. Results: Mean (SD) age was 36.8(11.9) years. Women made up 86.7% of the sample. Twelve patients (26.7%) had a previous laparotomy. Cash deposit (86.7%) was the main mode of payment. Thirty-two (71.1%) laparoscopies were gynaeco-obstetrical (GO) and 13 (28.9%) were digestive. Main indications were infertility (59.4%) and chronic cholecystitis (30.8%) for GO and digestive laparoscopies respectively. Mean (SD) durations were 89.1(57.5) and 55.5(41.0) minutes for digestive and GO laparoscopies respectively. Mean (SD) costs were 1065.4 (406.1) and 934.2 (657.0) USD for digestive and GO laparoscopies respectively. Mean (SD) lengths of hospital stays were 5.5 (2.5) and 5.5 (2.5) days for digestive and GO laparoscopies respectively. Local staff carried out all GO laparoscopies while foreign (Belgian) experts did digestive cases. Only one (2.2%) complication (colic perforation) was registered. Conclusion: The beginnings of laparoscopy at the DGOPH were successful thanks to strong local leadership and Belgian technical assistance. PMID- 29209488 TI - Education, early screening and treatment of STIs could reduce infertility among women in Kenya. AB - In Kenya, sexually transmitted infections (STIs) such as Chlamydia trachomatis, Neisseria gonorrhoea, HIV, herpes simplex virus type 2 (HSV-2), syphilis and trichomoniasis tend to be prevalent, especially in women. Further, the research shows that women who test positive for STIs (other than HIV), have little knowledge of these infections. Of particular concern, is that there has been little attention on the part of government to educate the general public about STIs, yet these diseases can have devastating consequences on women's and men's health. In women, STIs can produce sequelae such as tubal infertility. To help reduce female factor infertility, the Kenya government should conduct a nationwide campaign to educate the public about the importance of screening and treatment of STIs. PMID- 29209489 TI - Primary umbilical endometriosis: a case report. AB - Primary umbilical endometriosis is a rare phenomenon accounting for 0,4-1,0% of extragenital endometriosis. Despite the fact that it mostly presents as a typical cyclic umbilical discharge coincidental with a palpable mass, the diagnosis is often delayed due to its low prevalence, as was seen in the presented case. The exact pathogenesis is still unclear. The golden standard for diagnosis is histopathological examination, but diagnostic tools like ultrasound, MRI or CT scan can be helpful. The differential diagnosis includes a wide range of disorders. Surgical management is the preferred treatment. PMID- 29209490 TI - The importance of recognizing paraneoplastic symptoms: a case report of Neuroendocrine Small Cell Carcinoma of the Endometrium presenting as Paraneoplastic Cushing's Syndrome. AB - This is the second well documented case of paraneoplastic Cushing's syndrome arising from a small cell carcinoma of the endometrium described in English literature. This tumour has an aggressive biological behaviour and early detection provides the only opportunity for long-term survival. In that regard recognition of associated paraneo- plastic features might be helpful. PMID- 29209491 TI - A 3D-Printed Sensor for Monitoring Biosignals in Small Animals. AB - Although additive manufacturing technologies, also known as 3D printing, were first introduced in the 1980s, they have recently gained remarkable popularity owing to decreased costs. 3D printing has already emerged as a viable technology in many industries; in particular, it is a good replacement for microfabrication technology. Microfabrication technology usually requires expensive clean room equipment and skilled engineers; however, 3D printing can reduce both cost and time dramatically. Although 3D printing technology has started to emerge into microfabrication manufacturing and medical applications, it is typically limited to creating mechanical structures such as hip prosthesis or dental implants. There have been increased interests in wearable devices and the critical part of such wearable devices is the sensing part to detect biosignals noninvasively. In this paper, we have built a 3D-printed sensor that can measure electroencephalogram and electrocardiogram from zebrafish. Despite measuring biosignals noninvasively from zebrafish has been known to be difficult due to that it is an underwater creature, we were able to successfully obtain electrophysiological information using the 3D-printed sensor. This 3D printing technique can accelerate the development of simple noninvasive sensors using affordable equipment and provide an economical solution to physiologists who are unfamiliar with complicated microfabrication techniques. PMID- 29209492 TI - Aquilegia B gene homologs promote petaloidy of the sepals and maintenance of the C domain boundary. AB - The model Aquilegia coerulea x "Origami" possesses several interesting floral features, including petaloid sepals that are morphologically distinct from the true petals and a broad domain containing many whorls of stamens. We undertook the current study in an effort to understand the former trait, but additionally uncovered data that inform on the latter. The Aquilegia B gene homolog AqPI is shown to contribute to the production of anthocyanin in the first whorl sepals, although it has no major role in their morphology. Surprisingly, knockdown of AqPI in Aquilegia coerulea x "Origami" also reveals a role for the B class genes in maintaining the expression of the C gene homolog AqAG1 in the outer whorls of stamens. These findings suggest that the transference of pollinator function to the first whorl sepals included a non-homeotic recruitment of the B class genes to promote aspects of petaloidy. They also confirm results in several other Ranunculales that have revealed an unexpected regulatory connection between the B and C class genes. PMID- 29209493 TI - Comparison of atopy patch testing to skin prick testing for diagnosing mite induced atopic dermatitis: a systematic review and meta-analysis. AB - Background: Atopic dermatitis (AD) can occur after contact with aeroallergens like house dust mites, pollen, and animal dander. Despite its controversial diagnostic value, the atopy patch test (APT) has been used as an important tool in the diagnosis of AD caused by house dust mites. Here, we present a meta analysis comparing APT to the common skin prick test (SPT) in the diagnosis of mite-induced AD. Methods: A structured search was performed using online databases and bibliographies published as of April 30, 2017. All studies evaluating the accuracy of APT and SPT in the diagnosis of mite-induced atopic eczema/dermatitis syndrome were selected, appraised, and data was extracted. Results: Ten studies were identified for inclusion in our analysis. Meta-analysis revealed that the pooled sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratios for APT were 0.54 (95% CI 0.42-0.66), 0.72 (95% CI 0.56-0.85), 1.97 (95% CI 1.20-3.23), 0.63 (95% CI 0.48 0.83), and 3.12 (95% CI 1.53-6.39). The area under the summary receiver operating characteristic curve was 0.65 (95% CI 0.61-0.69). Conclusions: Our analysis indicates that APT is a useful tool in the screening of mite-induced AD, although this conclusion must be interpreted cautiously due to high heterogeneity among the included studies. PMID- 29209494 TI - RNAi mechanisms in Huntington's disease therapy: siRNA versus shRNA. AB - Huntington's Disease (HD) is a genetically dominant trinucleotide repeat disorder resulting from CAG repeats within the Huntingtin (HTT) gene exceeding a normal range (> 36 CAGs). Symptoms of the disease manifest in middle age and include chorea, dystonia, and cognitive decline. Typical latency from diagnosis to death is 20 years. There are currently no disease-modifying therapies available to HD patients. RNAi is a potentially curative therapy for HD. A popular line of research employs siRNA or antisense oligonucleotides (ASO) to knock down mutant Huntingtin mRNA (mHTT). Unfortunately, this modality requires repeated dosing, commonly exhibit off target effects (OTEs), and exert renal and hepatic toxicity. In contrast, a single AAV-mediated short-hairpin RNA (shRNA) dose can last years with low toxicity. In addition, we highlight research indicating that shRNA elicits fewer OTEs than siRNA when tested head-to-head. Despite this promise, shRNA therapy has been held back by difficulties controlling expression (oversaturating cells with toxic levels of RNA construct). In this review, we compare RNAi modalities for HD and propose novel methods of optimizing shRNA expression and on-target fidelity. PMID- 29209495 TI - Effect of neuroactive nutritional supplementation on body weight and composition in growing puppies. AB - Nutritional factors can dramatically affect development of young animals during the early stage of life. The objective of the present study was to examine the effects of a neuroactive nutritional supplement (NNS) containing DHA, taurine, carotenoids and vitamins on the body weight and body composition of growing puppies. A total of twenty-four 2-month-old Beagles were fed a nutritionally complete and balanced base diet and a control supplement daily during an initial 1-month baseline assessment, after which they were divided into control and treatment groups. They were fed daily either control or treatment supplements in addition to the base diet from 3 to 12 months of age. Lean body mass and fat mass were assessed using quantitative magnetic resonance scans at 0 (baseline), 3, 6 and 9 months of treatment. Total body weight and lean body mass did not differ between groups over time. The puppies in the treatment group showed a trend of reduced fat gain compared with those in the control group, and with a marginally significant difference at 6 months (P = 0.05). At 3 months, insulin-like growth factor 1 was higher (P = 0.02) in the treatment group compared with the control group. At 9 months, fasting lipid levels were lower (P < 0.05) and fat-oxidation metabolite 3-hydroxybutyrate was higher (P < 0.05) in the treatment group compared with the control group. These results may indicate that NNS has an impact on puppy growth and development, possibly by promoting fat metabolism; further investigation would be necessary to determine the full impact of this supplement on growth and development. PMID- 29209496 TI - Abnormal carbohydrate metabolism in a canine model for muscular dystrophy. AB - The canine golden retriever muscular dystrophy (GRMD) model is the best animal model for studying Duchenne muscular dystrophy in humans. Considering the importance of glucose metabolism in the muscles, the existence of metabolic and endocrine alterations in a wide range of muscular dystrophies, and the pre existing relationship between blood insulin concentration and muscular atrophy, the present study aimed to evaluate the postprandial glucose and insulin response in GRMD dogs. A total of eighteen golden retriever dogs were randomly distributed into three experimental groups: healthy/control (G1), female GRMD carriers (G2), and male dogs affected by GRMD (G3). Higher plasma resting glucose levels (P = 0.0047) were seen in G2 and G3 compared with G1, as was the case for minimum (P = <0.0001), mean (P = 0.0002) and maximum (P = 0.0359) glucose values for G3 compared with G1. Fructosamine concentrations were in accordance with reference values found in the literature for dogs. Insulin levels were lower in G3 compared with G1 (P = 0.0065); however, there was no evidence of insulin resistance according to the homeostasis model assessment index values obtained. As for the evaluation of postprandial responses, fluctuations of glucose (P = 0.0007) and insulin (P = 0.0149) were observed in G1 and G2, while in G3 the values remained constant. The results allowed us to identify metabolic changes related to carbohydrate metabolism in GRMD dogs, highlighting the importance of adequate food management for these animals. PMID- 29209497 TI - Long-chain n-3 PUFA in vegetarian women: a metabolic perspective. AB - Vegetarian diets have been associated with health benefits, but paradoxically are low in EPA and DHA which are important for development, particularly of the central nervous system, and for health. Humans have limited capacity for synthesis of EPA and DHA from alpha-linolenic acid, although this is greater in women than men. Oily fish and, to a lesser extent, dairy foods and meat are the primary sources of EPA and DHA in the diet. Exclusion of these foods from the diet by vegetarians is associated consistently with lower EPA and DHA status in vegetarian women compared with omnivores. The purpose of the present review was to assess the impact of low EPA and DHA status in vegetarian pregnancies on the development and health of children. EPA and DHA status was lower in breast milk and in infants of vegetarian mothers than those born to omnivore mothers, which suggests that in the absence of pre-formed dietary EPA and DHA, synthesis from alpha-linolenic acid is an important process in determining maternal EPA and DHA status in pregnancy. However, there have been no studies that have investigated the effect of low maternal DHA status in vegetarians on cognitive function in children. It is important to address this gap in knowledge in order to be confident that vegetarian and vegan diets during pregnancy are safe in the context of child development. PMID- 29209498 TI - Intensifying poultry production systems and the emergence of avian influenza in China: a 'One Health/Ecohealth' epitome. AB - Several kinds of pressure can lead to the emergence of infectious diseases. In the case of zoonoses emerging from livestock, one of the most significant changes that has taken place since the mid twentieth century is what has been termed the "livestock revolution", whereby the stock of food animals, their productivity and their trade has increased rapidly to feed rising and increasingly wealthy and urbanized populations. Further increases are projected in the future in low and middle-income countries. Using avian influenza as an example, we discuss how the emergence of avian influenza H5N1 and H7N9 in China was linked to rapid intensification of the poultry sector taking place in landscapes rich in wetland agriculture and wild waterfowls habitats, providing an extensive interface with the wild reservoir of avian influenza viruses. Trade networks and live-poultry markets further exacerbated the spread and persistence of avian influenza as well as human exposure. However, as the history of emergence of highly pathogenic avian influenza (HPAI) demonstrates in high-income countries such as the USA, Canada, Australia, the United Kingdom or the Netherlands, this is by no way specific to low and middle-income countries. Many HPAI emergence events took place in countries with generally good biosecurity standards, and the majority of these in regions hosting intensive poultry production systems. Emerging zoonoses are only one of a number of externalities of intensive livestock production systems, alongside antimicrobial consumption, disruption of nutrient cycles and greenhouse gases emissions, with direct or indirect impacts on human health. In parallel, livestock production is essential to nutrition and livelihoods in many low-income countries. Deindustrialization of the most intensive production systems in high-income countries and sustainable intensifications in low-income countries may converge to a situation where the nutritional and livelihood benefits of livestock production would be less overshadowed by its negative impacts on human an ecosystem health. PMID- 29209499 TI - Nasal Muco-ciliary transport time alteration: efficacy of 18 B Glycyrrhetinic acid. AB - Background: Mucociliary clearance is the main self-clearing system of the nasal cavity and paranasal sinuses.This is a very important means of non specific defence against continuous organic and inorganic contamination conveyed by air. It works by trapping particles and microorganisms in the mucus and then by transporting the mucous film to the pharynx where it is eliminated with a cough or swallowed. Its congenital or acquired abnormalities are involved in the occurrence of widespread infectious and often severe nose and paranasal sinuses diseases; generally concerning the rhinopharyngealtubal district.Restoring mucociliary clearance of the nasal epithelium when altered thus represents a key therapeutic tool against rhinosinus chronic diseases.This study evaluates the clinical efficacy of the inhalation of a natural compound (Narivent(r) nasal spray) in chronic vasomotor rhinitis. Methods: The study involved 79 patients suffering from chronic vasomotor rhinitis presenting an increased mucociliary clearance time. Patients were randomized into 2 groups: a first group of 49 subjects and a second group of 30 subjects.The first group was treated with a nasal spray (Narivent(r) nasal spray) (2 sprays per nostril twice a day) for 30 days.The second group was treated with a nasal spray containing isotonic solution in the same way and for the same period of the first group.Nasal Mucociliary transport time was measured in the patients of both groups before treatment, after 15 days of treatment, and at the end of the 30 days treatment. Results: The study shows how one of the treatments carried out determines a major objective reduction of the mucociliary clearance time in the patients under examination, using the method which involves the use of an insoluble coloured tracer (vegetable carbon), bringing the values back within normal range. At the end of the study we objectivated an increase in the rate of mucociliary transport in 97.9% percentage of patients we enrolled. Conclusions: This study shows the effectiveness of treatment with natural extracts with nasal mucosa restoring function in the treatment of chronic vasomotor rhinitis, a nasal inflammatory disease characterized by morphological and functional alteration of the normal nasal mucosa. PMID- 29209500 TI - Examining a staging model for anorexia nervosa: empirical exploration of a four stage model of severity. AB - Background: An illness staging model for anorexia nervosa (AN) has received increasing attention, but assessing the merits of this concept is dependent on empirically examining a model in clinical samples. Building on preliminary findings regarding the reliability and validity of the Clinician Administered Staging Instrument for Anorexia Nervosa (CASIAN), the current study explores operationalising CASIAN severity scores into stages and assesses their relationship with other clinical features. Method: In women with DSM-IV-R AN and sub-threshold AN (all met AN criteria using DSM 5), receiver operating curve (ROC) analysis (n = 67) assessed the relationship between the sensitivity and specificity of each stage of the CASIAN. Thereafter chi-square and post-hoc adjusted residual analysis provided a preliminary assessment of the validity of the stages comparing the relationship between stage and treatment intensity and AN sub-types, and explored movement between stages after six months (Time 3) in a larger cohort (n = 171). Results: The CASIAN significantly distinguished between milder stages of illness (Stage 1 and 2) versus more severe stages of illness (Stages 3 and 4), and approached statistical significance in distinguishing each of the four stages from one other. CASIAN Stages were significantly associated with treatment modality and primary diagnosis, and CASIAN Stage at Time 1 was significantly associated with Stage at 6 month follow-up. Conclusions: Provisional support is provided for a staging model in AN. Larger studies with longer follow-up of cases are now needed to replicate and extend these findings and evaluate the overall utility of staging as well as optimal staging models. PMID- 29209501 TI - Association among self-compassion, childhood invalidation, and borderline personality disorder symptomatology in a Singaporean sample. AB - Background: Linehan's biosocial theory posits that parental invalidation during childhood plays a role in the development of borderline personality disorder symptoms later in life. However, little research has examined components of the biosocial model in an Asian context, and variables that may influence the relationship between childhood invalidation and borderline symptoms. Self compassion is increasingly regarded as an adaptive way to regulate one's emotions and to relate to oneself, and may serve to moderate the association between invalidation and borderline symptoms. The present study investigated the association among childhood invalidation, self-compassion, and borderline personality disorder symptoms in a sample of Singaporean undergraduate students. Methods: Two hundred and ninety undergraduate students from a large Singaporean university were recruited and completed measures assessing childhood invalidation, self-compassion, and borderline personality disorder symptoms. Results: Analyses using multiple regression indicated that both childhood invalidation and self-compassion significantly predicted borderline personality disorder symptomatology. Results from moderation analyses indicated that relationship between childhood invalidation and borderline personality disorder symptomatology did not vary as a function of self-compassion. Conclusion: This study provides evidence in support of aspects of the biosocial model in an Asian context, and demonstrates a strong association between self-compassion and borderline personality disorder symptoms, independent of one's history of parental invalidation during childhood. PMID- 29209502 TI - Monitoring diaphragm function in a patient with myasthenia gravis: electrical activity of the diaphragm vs. maximal inspiratory pressure. AB - Background: Maximal inspiratory pressure (MIP) is used to assess respiratory muscle strength of patients with myasthenia gravis (MG) requiring ventilatory support. Electrical activity of the diaphragm (E-di) has been used to guide weaning. Case presentation: The MIP and tidal volume/DeltaE-di (the patient-to ventilator breath contribution) were monitored in a 12-year-old girl with MG requiring ventilator support. The same ventilatory settings were maintained until extubation. During weaning, MIP increased slightly, but varied unpredictably. Tidal volume/DeltaE-di decreased at a constant rate as muscle strength recovered. Conclusion: In this patient with muscle weakness, E-di was a reliable tool to monitor weaning from mechanical ventilation. PMID- 29209503 TI - A comparative cross-sectional study of some hematological parameters of hypertensive and normotensive individuals at the university of Gondar hospital, Northwest Ethiopia. AB - Background: Hypertension is a major health problem worldwide. It can lead to cardiovascular disease and also leads to functional disturbances including hematological parameters. The abnormalities of haematological parameters may enhance an end-organ damage. Therefore, the aim of this study was to assess some hematological parameters of hypertensive individuals in comparison with normotensive individuals at University of Gondar hospital, northwest Ethiopia. Methods: A cross sectional comparative study was conducted from October to November 2015 on a total of 126 hypertensive and 126 normotensive individuals at University of Gondar Hospital. All participants after taking informed consent were interviewed for detailed history and 3 ml of blood was collected for hematological test analysis. Independent t-test and the Mann Whitney u-test were used to find out significant difference and Pearson's and Spearman's correlation were used for correlation test. P values less than 0.05 was considered the level of significance. Result: From a total of 252 study subjects, about 67.5% were females. The mean age of study subjects was 50.3 +/- 11 years for hypertensive individuals and 49.8 +/- 11.6 years for normotensive individuals with range of 18 65 years. In the present study, the median (IQR) value of WBC, RBC, Hgb, HCT, MCV and the mean value of MCHC, RDW, MPV and PDW were significantly higher in hypertensive group compared to apparently healthy normotensive groups. Additionally, WBC, RBC, Hgb, HCT and PLT showed statistically significant positive correlations with blood pressure indices. Platelet count and MCH did not show statistically significant difference between the two groups. Conclusion: Hypertension has impact on hematological parameters. In this study, the mean and median values of haematological parameters in hypertensive individuals were significantly different compared to apparently healthy normotensive individuals. Hence, hematological parameters can be used to monitor the prognosis of the disease and manage hypertensive related complications, and it is important to assess hematological parameters for hypertensive individuals which may help to prevent complications associated hematological disorders. PMID- 29209504 TI - The FIFA 11+ injury prevention program for soccer players: a systematic review. AB - Background: Soccer is one of the most widely played sports in the world. However, soccer players have an increased risk of lower limb injury. These injuries may be caused by both modifiable and non-modifiable factors, justifying the adoption of an injury prevention program such as the Federation Internationale de Football Association (FIFA) 11+. The purpose of this study was to evaluate the efficacy of the FIFA 11+ injury prevention program for soccer players. Methodology: This meta analysis was based on the PRISMA 2015 protocol. A search using the keywords "FIFA," "injury prevention," and "football" found 183 articles in the PubMed, MEDLINE, LILACS, SciELO, and ScienceDirect databases. Of these, 6 studies were selected, all of which were randomized clinical trials. Results: The sample consisted of 6,344 players, comprising 3,307 (52%) in the intervention group and 3,037 (48%) in the control group. The FIFA 11+ program reduced injuries in soccer players by 30%, with an estimated relative risk of 0.70 (95% confidence interval, 0.52-0.93, p = 0.01). In the intervention group, 779 (24%) players had injuries, while in the control group, 1,219 (40%) players had injuries. However, this pattern was not homogeneous throughout the studies because of clinical and methodological differences in the samples. This study showed no publication bias. Conclusion: The FIFA 11+ warm-up program reduced the risk of injury in soccer players by 30%. PMID- 29209505 TI - Evaluation of environmental heat stress on physiological parameters. AB - Background: Thermal component of the atmospheric environment is an important issue which is related to human's health. Thermal environment includes both heat exchange conditions (stress) and the physiological response (strain). The aim of this study was to measure the association of heat indices (PSI, HSI, Humidex) especially subjective one (STI) with some physiological parameters (Blood pressure, pulse rate and skin temperature). Methods: This is a cross-sectional study conducted on 387 male farmers on Boukan, West Azerbaijan, Iran in 2016. Sampling was conducted on the hottest days in summer on July based on the meteorological report. Heat parameters was measured 3 times in each session. Results: Direct associations were found between heat indices and physiological parameters except systolic BP. However, invers associations were found between blood pressure, skin and core body temperature, pulse rate with all heat indices. Based on the results of linear regression analysis, significant association was found between WBGT and skin temperature (B = 0.31, CI: 0.02, 0.61, P = 0.03). Results also showed significant association between Humidex and skin temperature (B = 0.21, CI: -0.03, 0.40, P = 0.02). However, no significant associations were found between other heat stress indices including UTCI, PHS, HIS, STI and Humidex with all study physiological parameters (core body temperature, systolic and diastolic blood pressure and also pulse rate). Conclusion: As expected, farmer's health is affected by physiological parameters. Moreover, among assessed types of heat stress indices WBGT and Humidex were more powerful to show better the association with mentioned physiological parameters. PMID- 29209506 TI - Border Terriers under primary veterinary care in England: demography and disorders. AB - Background: The Border Terrier is a working terrier type that is generally considered to be a relatively healthy and hardy breed. This study aimed to characterise the demography and common disorders of Border Terriers receiving veterinary care in England using de-identified electronic patient record data within the VetCompassTM Programme. Results: Annual birth proportion for Border Terriers showed a decreasing trend from 1.46% in 2005 to 0.78% in 2014. The median adult bodyweight for males (10.9 kg, IQR: 9.6-12.3, range: 6.3-25.0) was higher than for females (9.1 kg, IQR: 8.2-10.3, range: 5.2-21.6) (P < 0.001). The median longevity was 12.7 years (IQR 9.3-14.3, range 1.0-17.5).The most prevalent fine-level disorders recorded were periodontal disease (17.63%, 95% CI: 15.62 19.79), overweight/obesity (7.01%, 95% CI: 5.69-8.52) and otitis externa (6.71%, 95% CI: 5.42-8.19). The most prevalent grouped-level precision disorders were dental disorder (18.54%, 95% CI: 16.48-20.74), enteropathy (11.68%, 95% CI: 10.00 13.53), and skin disorder (10.17%, 95% CI: 8.60-11.93).Syndromic analysis showed that the most prevalent body locations affected were the head-and-neck (37.75%, 95% CI: 35.14-40.43), abdomen (18.61%, 95% CI: 16.55-20.81) and limb (11.53%, 95% CI: 9.86-13.37). At least one organ system was affected in 834 (62.85%) Border Terriers. The most prevalent organ systems affected were the digestive (32.03%, 95% CI: 29.52-34.61), integument (26.68%, 95% CI: 24.31-29.14), connective/soft tissue (11.15%, 95% CI: 9.51-12.97) and auditory (9.87%, 95% CI: 8.32-11.60). At least one affected pathophysiological process was described in 881 (66.39%) Border Terriers. The most prevalent pathophysiologic processes recorded were inflammation (31.65%, 95% CI: 29.15-34.23), nutritional (9.04%, 95% CI: 7.55 10.72), mass/swelling (8.89%, 95% CI: 7.42-10.55), traumatic (7.99%, 95% CI: 6.59 9.58) and infectious (7.76%, 95% CI: 6.38-9.33). Conclusions: This study documented a trend towards reducing ownership and relatively long-livedness in the Border Terrier. The most common disorders were periodontal disease, overweight/obesity and otitis externa. Predisposition to dental and neurological disease was suggested. These results can provide a comprehensive evidence resource to support breed-based health plans that can contribute positively to reforms to improve health and welfare within the breed. PMID- 29209507 TI - Routinely collected health data to study inherited heart disease: a systematic review (2000-2016). AB - Objective: Our understanding of inherited heart disease is predominantly based on retrospective specialised clinic cohorts, which have inherent selection bias. Population-based routinely collected data can provide insight into unbiased, large-scale patterns of treatment and care but may be limited by the granularity of clinical information available. We sought to synthesise the global literature to determine whether we can identify patients with inherited heart diseases using routinely collected health data. Methods: Medline, Embase, CINAHL, PreMEDLINE and Google Scholar citation databases were searched for relevant articles published between 1 January 2000 and 31 October 2016. Results: A total of 5641 titles/abstracts were screened and 46 full-text articles were retrieved. Twelve peer-reviewed, English-language manuscripts met our inclusion criteria. Studies predominantly focused on Marfan syndrome (41%) or hypertrophic cardiomyopathy (29%). All studies used International Classification of Disease diagnosis codes to define inherited heart disease populations; three studies also used procedure codes. Nine of the 17 definitions for inherited heart disease were repeated across studies. Conclusions: Inherited heart disease populations can be identified using routinely collected health data, though challenges relate to existing diagnosis codes. This is an underutilised resource with the potential to inform patterns of care, patient outcomes and overall disease burden. PMID- 29209509 TI - Realtime ultrasound guided percutaneous tracheostomy in emergency setting: the glass ceiling has been broken. AB - Background: In recent years ultrasound guided percutaneous tracheostomy (USPCT) has become a routine practice in critical care units. Its safety and superiority over conventional percutaneous tracheostomy and bronchoscopic guided PCT is proven to be non-inferior in elective cases. However its role in emergency percutaneous tracheostomy has never been studied, since percutaneous tracheostomy itself remains an enigma in accessing emergency airway. There is no report of use of ultrasound guided percutaneous tracheostomy in emergency setting so far in the literature. We report our early experience with USPCT in emergency setting. Methods: Sixteen adult patients who required access to an emergency surgical airway after failure to accomplish emergency oro-tracheal intubation were the study population. Their airway was accessed by USPCT. Recorded data included clinical and demographic data including time taken to perform the procedure and complications. Short term and long term follow ups for a period of 2 years were done for the survivors. Results: Twelve male and four female patients underwent the procedure and the average time of the procedure was 3.6 min with no failures nor conversions to surgical tracheostomy and no complications. The average oxygen saturation was 86% and average Glasgow coma scale was 8.4. This time period included the oxygen insufflation time. 10 patients were decannulated while six patients died due to the pathology of the disease itself. There were no complications in either short term or long term follow up. Conclusion: USPCT has a definitive role in emergency both in trauma and non-trauma setting. It is safe, feasible and faster in experienced hands. Use of USPCT in emergency setting has further narrowed the list of contraindications of percutaneous tracheostomy. PMID- 29209508 TI - Promoters from the itaconate cluster of Ustilago maydis are induced by nitrogen depletion. AB - Background: Ustilago maydis is known for its natural potential to produce a broad range of valuable chemicals, such as itaconate, from both industrial carbon waste streams and renewable biomass. Production of itaconate, and many other secondary metabolites, is induced by nitrogen limitation in U. maydis. The clustered genes responsible for itaconate production have recently been identified, enabling the development of new expression tools that are compatible with biotechnological processes. Results: Here we report on the investigation of two of the native promoters, P tad1 and P mtt1 , from the itaconate cluster of U. maydis MB215. For both promoters the specific activation upon nitrogen limitation, which is known to be the trigger for itaconate production in Ustilago, could be demonstrated by gfp expression. The promoters cover a broad range of expression levels, especially when combined with the possibility to create single- and multicopy construct integration events. In addition, these reporter constructs enable a functional characterization of gene induction patterns associated with itaconate production. Conclusions: The promoters are well suited to induce gene expression in response to nitrogen limitation, coupled to the itaconate production phase, which contributes towards the further improvement of organic acid production with Ustilago. PMID- 29209510 TI - Milrinone in congenital diaphragmatic hernia - a randomized pilot trial: study protocol, review of literature and survey of current practices. AB - Background: Congenital diaphragmatic hernia (CDH) is commonly associated with pulmonary hypoplasia and pulmonary hypertension (PH). PH associated with CDH (CDH PH) is frequently resistant to conventional pulmonary vasodilator therapy including inhaled nitric oxide (iNO) possibly due to right and left ventricular dysfunction. Milrinone is an intravenous inotrope and lusitrope with pulmonary vasodilator properties and has been shown anecdotally to improve oxygenation in PH. We developed this pilot study to determine if milrinone infusion would improve oxygenation in neonates >=36 weeks postmenstrual age (PMA) with CDH. Methods/design: Data on pulmonary vasodilator management and outcome of CDH patients was collected from 18 university NICUs affiliated with the Neonatal Research Network (NRN) from 2011 to 2012. The proposed pilot will be a masked, placebo-controlled, multicenter, randomized trial of 66 infants with CDH with an oxygenation index (OI) >=10 or oxygen saturation index (OSI) >=5. The primary outcome is the oxygenation response, as determined by change in OI at 24 h after initiation of study drug. As secondary outcomes, we will determine oxygenation at 48 h and 72 h post-infusion, right ventricular pressures on echocardiogram and the incidence of systemic hypotension, arrhythmias, intracranial hemorrhage, survival without extracorporeal membrane oxygenation, and chronic lung disease (oxygen need at 28 days postnatal age). Finally, we will evaluate the pulmonary and nutritional status at 4, 8 and 12 months of age using a phone questionnaire. Results: Three hundred thirty-seven infants with CDH were admitted to NRN NICUs in 2011 and 2012 of which 275 were >=36 weeks PMA and were exposed to the following pulmonary vasodilators: iNO (39%), sildenafil (17%), milrinone (17%), inhaled epoprostenol (6%), intravenous epoprostenol (3%), and intravenous PGE1 (1%). ECMO was required in 36% of patients. Survival to discharge was 71%. Discussion: CDH is an orphan disease with high mortality with few randomized trials evaluating postnatal management. Intravenous milrinone is a commonly used medication in neonatal/pediatric intensive care units and is currently used in 17% of patients with CDH within the NRN. This pilot study will provide data and enable further studies evaluating pulmonary vasodilator therapy in CDH. Trial registration: ClinicalTrials.gov; NCT02951130; registered 14 October 2016. PMID- 29209511 TI - Effectiveness of composting as a biosecure disposal method for porcine epidemic diarrhea virus (PEDV)-infected pig carcasses. AB - Background: Porcine epidemic diarrhea virus (PEDV) is an enteric disease of swine that has emerged as a worldwide threat to swine herd health and production. Substantial research has been conducted to assess viability of the virus on surfaces of vehicles and equipment, in feed and water, and on production building surfaces, but little is known about the persistence in PEDV-infected carcasses and effective disposal methods thereof. This study was conducted to quantify the persistence of PEDV RNA via quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) at various time-temperature combinations and in infected piglet carcasses subjected to composting. Although this method does not distinguish between infectious and noninfectious virus, it is a rapid and sensitive test to evaluate materials for evidence of virus genome. Results: In the first study, PEDV was suspended in cell culture media at 1 * 105 TCID50 per sample (1 mL sample size) and subjected to various time and temperature combinations in triplicate including temperatures of 37, 45, 50, 55, 60, 65, 70 degrees C and exposure times of 0, 1, 2, 3, 4, 5, 7, and 14 days. At all temperatures, viral RNA copies declined over time, with the decline most marked and rapid at 65 and 70 degrees C. Detectable RNA did persist throughout the trial in all but the most extreme condition, where two of three samples incubated at 70 degrees C yielded undetectable viral RNA after 14 days. In the second study, PEDV-infected piglet carcasses were subjected to two cycles of composting lasting 36 and 37 days, respectively, for a total compost time of 73 days. Composting was performed in triplicate windrow sections housed inside biosecure, climate-controlled rooms using insulated bins designed to represent a continuous windrow compost pile. Temperatures reached 35-57 degrees C for 26 days of cycle 1 and 35-45 degrees C for 3 days of cycle 2. Samples consisting of carbon material with or without decomposed tissue as available per sample site collected at ten locations throughout the cross-section of each windrow section following the primary and secondary compost cycles yielded no detectable viral RNA. Conclusions: Composting appears to be an effective disposal method for PEDV infected piglet carcasses under the conditions examined. The combination of time and high temperature of the compost cycle effectively degraded viral RNA in cell culture media that should provide optimum stability. Complex compost material matrices collected from windrow sections yielded undetectable PEDV RNA by qRT-PCR after one 36-day compost cycle despite incomplete decomposition of soft tissue. PMID- 29209512 TI - The ReSiT study (reducing sitting time): rationale and protocol for an exploratory pilot study of an intervention to reduce sitting time among office workers. AB - Background: Desk-based workers engage in long periods of uninterrupted sitting time, which has been associated with morbidity and premature mortality. Previous workplace intervention trials have demonstrated the potential of providing sit stand workstations, and of administering motivational behaviour change techniques, for reducing sitting time. Yet, few studies have combined these approaches or explored the acceptability of discrete sitting-reduction behaviour change strategies. This paper describes the rationale for a sitting-reduction intervention that combines sit-stand workstations with motivational techniques, and procedures for a pilot study to explore the acceptability of core intervention components among university office workers. Methods: The intervention is based on a theory and evidence-based analysis of why office workers sit, and how best to reduce sitting time. It seeks to enhance motivation and capability, as well as identify opportunities, required to reduce sitting time. Thirty office workers will participate in the pilot study. They will complete an initial awareness-raising monitoring and feedback task and subsequently receive a sit-stand workstation for a 12-week period. They will also select from a 'menu' of behaviour change techniques tailored to self-declared barriers to sitting reduction, effectively co-producing and personally tailoring their intervention. Interviews at 1, 6, and 12 weeks post-intervention will explore intervention acceptability. Discussion: To our knowledge, this will be the first study to explore direct feedback from office workers on the acceptability of discrete tailored sitting-reduction intervention components that they have received. Participants' choice of and reflections on intervention techniques will aid identification of strategies suitable for inclusion in the next iteration of the intervention, which will be delivered in a self administered format to minimise resource burden. Trial registration: ISRCTN29395780 (registered 21 November 2016). PMID- 29209513 TI - Can we predict necrosis intra-operatively? Real-time optical quantitative perfusion imaging in surgery: study protocol for a prospective, observational, in vivo pilot study. AB - Background: Compromised perfusion as a result of surgical intervention causes a reduction of oxygen and nutrients in tissue and therefore decreased tissue vitality. Quantitative imaging of tissue perfusion during reconstructive surgery, therefore, may reduce the incidence of complications. Non-invasive optical techniques allow real-time tissue imaging, with high resolution and high contrast. The objectives of this study are, first, to assess the feasibility and accuracy of optical coherence tomography (OCT), sidestream darkfield microscopy (SDF), laser speckle contrast imaging (LSCI), and fluorescence imaging (FI) for quantitative perfusion imaging and, second, to identify/search for criteria that enable risk prediction of necrosis during gastric tube and free flap reconstruction. Methods: This prospective, multicenter, observational in vivo pilot study will assess tissue perfusion using four optical technologies: OCT, SDF, LSCI, and FI in 40 patients: 20 patients who will undergo gastric tube reconstruction after esophagectomy and 20 patients who will undergo free flap surgery. Intra-operative images of gastric perfusion will be obtained directly after reconstruction at four perfusion areas. Feasibility of perfusion imaging will be analyzed per technique. Quantitative parameters directly related to perfusion will be scored per perfusion area, and differences between biologically good versus reduced perfusion will be tested statistically. Patient outcome will be correlated to images and perfusion parameters. Differences in perfusion parameters before and after a bolus of ephedrine will be tested for significance. Discussion: This study will identify quantitative perfusion-related parameters for an objective assessment of tissue perfusion during surgery. This will likely allow early risk stratification of necrosis development, which will aid in achieving a reduction of complications in gastric tube reconstruction and free flap transplantation. Trial registration: Clinicaltrials.gov registration number NCT02902549. Dutch Central Committee on Research Involving Human Subjects registration number NL52377.018.15. PMID- 29209514 TI - Fish oil supplementation in chronic obstructive pulmonary disease: feasibility of conducting a randomised controlled trial. AB - Background: Long-chain omega-3 polyunsaturated fatty acids (LCn-3PUFAs) may act as an effective adjunct therapy for chronic obstructive pulmonary disease (COPD), a condition characterised by persistent airflow limitation and inflammation. However, the nature of this illness presents challenges for evaluating potential benefits. The aim of this study was to determine the feasibility of undertaking a randomised controlled trial of LCn-3PUFA supplementation in adults with COPD. Methods: A 16-week parallel, double-blind, randomised, placebo-controlled dietary supplementation trial was conducted. Participants diagnosed with COPD were randomly allocated to take six 1-g capsules of fish oil (3.6 g LCn-3PUFA) or corn oil (placebo) daily for 16 weeks. Key outcomes used to determine the feasibility of the trial included recruitment rate, participant retention rate and supplement adherence (blood biomarker and returned capsule count). An estimate of the effect size for clinical outcomes such as pulmonary function and functional exercise capacity was calculated. Results: None of the key feasibility criteria were met. The enrolment target was 40 participants in 52 weeks; however, only 13 were finally enrolled, with just seven in the first 52 weeks. Eight participants completed the study (retention rate 62%). Targets for compliance were not achieved; red blood cell LCn-3PUFA content (expressed as percentage of total fatty acids) did not increase by more than 2% in the fish oil group; capsule counts were unreliable. As the target sample size was not achieved and only a small number of participants completed the study, it was not possible to use the variance in clinical outcomes to estimate a sample size for a future study. Conclusions: This study highlights major difficulties, especially with recruitment, in conducting this LCn-3PUFA supplementation trial in people with COPD, rendering the protocol unfeasible by predetermined criteria. A modified approach is needed to investigate potential health benefits of fish oil in people with COPD. A multicentre study with changes to inclusion and exclusion criteria is recommended. Trial registration: Australia and New Zealand Clinical Trials Register (ANZCTR), ACTRN12612000158864. PMID- 29209516 TI - Subretinal fluid application to close a refractory full thickness macular hole. AB - Background: To close a refractory full thickness macular hole (FTMH) by adjacent subretinal fluid application to release the elastic retina from the retinal pigment epithelium (RPE). Case presentation: A 83 years old patient presented an old FTMH with a diameter of 1444 MUm. After confirming intraoperatively the complete release of the epiretinal membrane around the FTMH, we installed 3 small subretinal blebs around the hole, to release the adjacent retina from the RPE. The mobilized retina was gently moved towards the macular center. A silicone oil tamponade was installed to secure a proper healing and observation of the FTMH. The closure of the 1444 MUm FTMH was seen on indirect ophthalmoscopy and confirmed by OCT 5 days after surgery by restoring the retinal architecture. A late reopening was not apparent at the postoperative observations. Visual acuity improved from hand motion to 20/200 at 4 weeks postoperative. Conclusion: Although FTMH develop by epiretinal tangential traction, large FTMH may persist even after complete release of its epiretinal traction. Subretinal fluid application may release the flexible retina from the RPE to achieve a relocation at the central fovea facilitating an anatomical closure of the macular hole. PMID- 29209515 TI - Ketogenic diets as an adjuvant therapy in glioblastoma (the KEATING trial): study protocol for a randomised pilot study. AB - Background: Glioblastoma is the commonest form of malignant brain tumour in adults, affecting 2-3 people per 100,000 per year. Despite current treatment options including surgical resection, radiotherapy and temozolomide chemotherapy, overall survival at 2 years is approximately 27%, with a median survival of 12-14 months. The ketogenic diet (KD) is postulated to work by simulating the metabolic response to fasting by promoting the utilisation of ketones as a primary energy source, and depriving the glycolytic pathways utilised by malignant glioma cells for growth. At present, there is no consensus as to which KD is preferable, with previous case series using different KDs, at different points in the treatment pathway. The aim of this randomised pilot study is to investigate protocol feasibility, tolerability and the impact on patient health and quality of life of two different KDs within an NHS setting. The results of this pilot study will inform which KD will be most deliverable and adhered to by patients in order to test for effectiveness in future trials. Methods: A prospective, non-blinded, randomised, pilot study will be undertaken in 12 patients with newly diagnosed glioblastoma treated by surgical resection. Patients will be randomised in a ratio of 1:1, using a permuted block randomisation method to one of two diets; the modified ketogenic diet and the medium chain triglyceride ketogenic diet. Primary data collection will take place 12 weeks after starting the diet and secondary data collection after 12 months. Feasibility will be assessed by retention and recruitment rates, ability to enrol patients prior to starting chemoradiotherapy, dietary compliance and adjustments, ketone levels, glucose levels and intervention time. Patient impact will be assessed through quality of life and food acceptability questionnaires, gastrointestinal side effects and changes to biochemical markers and anthropometric measures, assessed at regular intervals. Discussion: The results of this pilot study will be used to inform the feasibility, methodological design and power calculations of future phase III clinical trials investigating the effectiveness of KD as an adjuvant therapy in the management of glioblastoma. Trial registration: ISRCTN71665562 and NCT03075514. PMID- 29209517 TI - Clinical course and recommendations for patients after anterior cruciate ligament injury and subsequent reconstruction: A narrative review. AB - Almost all athletes who have suffered an anterior cruciate ligament (ACL) injury expect a full return to sports at the same pre-injury level after ACL reconstruction (ACLR). Detailed patient information on the reasonable outcomes of the surgery may be essential to improve patient satisfaction.Pre-operative rehabilitation before ACLR should be considered as an addition to the standard of care to maximise functional outcomes after ACLR.We propose an optimised criterion based rehabilitation programme within a biopsychosocial framework.No benchmark exists for evaluating return-to-sport (RTS) readiness after ACLR. Therefore, the authors propose a multi-factorial RTS test battery. A combination of both physical and psychological elements should be included in the RTS test battery.There is need for shared decision-making regarding RTS. Cite this article: EFORT Open Rev 2017;2:410-420. DOI: 10.1302/2058-5241.2.170011. PMID- 29209519 TI - The surgical treatment of acromioclavicular joint injuries. AB - Acromioclavicular joint (ACJ) injuries are common, but their incidence is probably underestimated. As the treatment of some sub-types is still debated, we reviewed the available literature to obtain an overview of current management.We analysed the literature using the PubMed search engine.There is consensus on the treatment of Rockwood type I and type II lesions and for high-grade injuries of types IV, V and VI. The treatment of type III injuries remains controversial, as none of the studies has proven a significant benefit of one procedure when compared with another.Several approaches can be considered in reaching a valid solution for treating ACJ lesions. The final outcome is affected by both vertical and horizontal post-operative ACJ stability. Synthetic devices, positioned using early open or arthroscopic procedures, are the main choice for young people.Type III injuries should be managed surgically only in cases with high-demand sporting or working activities. Cite this article: EFORT Open Rev 2017;2:432-437. DOI: 10.1302/2058-5241.2.160085. PMID- 29209518 TI - Diagnosis and treatment of soft-tissue sarcomas of the extremities and trunk. AB - The relatively low incidence and often atypical clinical presentation of soft tissue sarcomas (STS) impedes early and adequate diagnosis. Patients may report on recently enlarged soft-tissue swellings, infrequently complain of painful lesions, or even have no symptoms at all.A thorough diagnostic work-up is essential in order to distinguish between benign soft-tissue tumours and STSs. Patient history, clinical features and radiological findings all help in assessing the underlying pathology. 'Worrying' features such as recent increase in size, deep location relative to the fascia, a tumour exceeding 4 cm in size, and invasive growth patterns seen on imaging should prompt verification by biopsy.Even though acquisition of biopsy material may be incomplete, one should bear in mind some essential rules. Regardless of the biopsy technique applied, the most direct route to the lump in question should be identified, contamination of adjacent structures should be avoided and a sufficient amount of tissue acquired.Treatment of STS is best planned by a multidisciplinary team, involving experts from various medical specialities. The benchmark therapy consists of en bloc resection of the tumour, covered by a safety margin of healthy tissue. Depending on tumour histology, grade, local extent and anatomical stage, radiotherapy, chemotherapy and isolated hyperthermic limb perfusion may be employed.Due to the complexity of treatment, any soft-tissue swelling suspected of malignancy is best referred directly to a sarcoma centre, where therapeutic management is carefully planned by an experienced multidisciplinary team. Cite this article: EFORT Open Rev 2017;2:421-431. DOI: 10.1302/2058-5241.2.170005. PMID- 29209520 TI - Comparing assessment frameworks for cancer drugs between Canada and Europe: What can we learn from the differences? AB - The increasing burden of costs associated with novel cancer therapies is becoming untenable. In Europe and Canada, assessment frameworks have been developed to attribute value to novel therapies and ultimately facilitate access to cancer drug funding. A review of the two frameworks has not previously been undertaken. This review provides insight into the relative strengths and benefits of each approach, the various perspectives of value (patient, physician and societal) and how the frameworks relate to their unique context and core principles. Both frameworks assess the clinical benefit of a new cancer therapy. The European framework considers effectiveness, quality of life, and toxicity in its determination of benefit and has the advantage of providing a simple summary score to facilitate priority setting. The Canadian framework considers other elements including cost-effectiveness, patient preferences and adoption feasibility; its deliberative framework precludes a simple summative presentation of value but can address complex and nuanced drug funding considerations with flexibility. Both frameworks have evolved to meet the needs unique to their jurisdictions and offer potentially complementary tools in the assessment of new cancer drugs. Lessons learnt in both systems can be applied to future iterations of the frameworks, which remain works in progress. PMID- 29209521 TI - Management of patients with end-stage renal disease undergoing chemotherapy: recommendations of the Associazione Italiana di Oncologia Medica (AIOM) and the Societa Italiana di Nefrologia (SIN). AB - Background: The overall risk of some cancers is increased in patients receiving regular dialysis treatment due to chronic oxidative stress, a weakened immune system and enhanced genomic damage. These patients could benefit from the same antineoplastic treatment delivered to patients with normal renal function, but a better risk/benefit ratio could be achieved by establishing specific guidelines. Key considerations are which chemotherapeutic agent to use, adjustment of dosages and timing of dialysis in relation to the administration of chemotherapy. Methods: We have reviewed available data present in the literature, including recommendations and expert opinions on cancer risk and use of chemotherapeutic agents in patients with end-stage renal disease. Experts selected by the boards of the societies provided additional information which helped greatly in clarifying some issues on which clear-cut information was missing or available data were conflicting. Results: Data on the optimal use of chemotherapeutic agents or on credible schemes of polychemotherapy in haemodialysed patients are sparse and mainly derive from case reports or small case series. However, recommendations on dosing and timing of dialysis can be proposed for the most prescribed chemotherapeutic agents. Discussion: The use of chemotherapeutic agents as single agents, or in combination, can be safely given in patients with end-stage renal disease. Appropriate dosage adjustments should be considered based on drug dialysability and pharmacokinetics. Coordinated care between oncologists, nephrologists and pharmacists is of pivotal importance to optimise drug delivery and timing of dialysis. PMID- 29209522 TI - Immune checkpoint inhibitors for advanced non-small cell lung cancer: emerging sequencing for new treatment targets. AB - Lung cancer is the leading cause of cancer-related deaths in the world. Immune checkpoint inhibitors (ICI) stimulate cytotoxic lymphocyte activity against tumour cells. These agents are available for the treatment of non-small cell lung cancer (NSCLC) after failure of platinum-based therapy. One recent study has demonstrated that ICI monotherapy was superior to platinum-based chemotherapy for first-line treatment. Nevertheless, this benefit was only for a minority of the population (30%) whose tumour programmed death receptor ligand-1 (PD-L1) expression was above 50%. Therefore, several strategies are under investigation. One option for patients with PD-L1 expression lower than 50% may be the combination of ICI with platinum-based chemotherapy or with ICIs against different targets. However, all of these combinations are at an early stage of investigation and may be very expensive or toxic, producing several harmful adverse events. PMID- 29209523 TI - Second-line treatments: moving towards an opportunity to improve survival in advanced gastric cancer? AB - Gastric cancer is the third leading cause of cancer-related death globally with approximately 723 000 deaths every year. Most patients present with advanced unresectable or metastatic disease, only amenable to palliative systemic treatment and a median survival uncommonly exceeding 12 months. Over the last years, the efficacy of chemotherapy combination has plateaued and the introduction of the anti-human epidermal growth factor receptor 2 trastuzumab has resulted in a limited survival gain in the upfront setting. After this positive experience, first-line treatment with new targeted therapies failed to improve the outcome of advanced gastric cancer. On the contrary, second-line options, including monochemotherapy with taxanes or irinotecan and the anti-vascular endothelial growth factor receptor 2 ramucirumab, either alone or combined with paclitaxel, opened new therapeutic rooms for an ever-increasing number of patients who maintain an acceptable performance status across multiple lines. This article provides an updated overview on the current management of advanced gastric cancer and discusses how the different treatment options available may be best combined to favourably impact the outcome of patients following the logic of a treatment strategy. PMID- 29209525 TI - Final results of the large-scale multinational trial PROFILE 1005: efficacy and safety of crizotinib in previously treated patients with advanced/metastatic ALK positive non-small-cell lung cancer. AB - Purpose: Crizotinib is a potent, orally administered tyrosine kinase inhibitor approved for the treatment of anaplastic lymphoma kinase (ALK)-positive advanced non-small-cell lung cancer (NSCLC). We report final results from PROFILE 1005, the largest clinical trial to date for an ALK inhibitor in ALK-positive NSCLC. Patients and methods: PROFILE 1005 (NCT00932451) was a multicenter, single-arm phase 2 trial of the efficacy, safety and tolerability of crizotinib (250 mg twice daily; 3 week continuous treatment cycles) in patients with ALK-positive NSCLC after failure of >=1 lines of systemic treatment for locally advanced/metastatic disease. Patients' tumour ALK status was initially determined by a central laboratory until a protocol amendment permitted enrolment of patients based on locally determined ALK status. Co-primary endpoints were objective response rate (ORR), evaluated using Response Evaluation Criteria in Solid Tumours V.1.1 and adverse events (AEs). Cancer-specific patient-reported outcomes (PROs) were also assessed using the European Organisation for the Research and Treatment of Cancer QLQ-C30 and its lung cancer module QLQ-LC13. Results: 1069 patients were enrolled; 1066 received crizotinib. The as-treated population comprised 908 and 158 patients, in whom tumour positive ALK-status was determined centrally (+/- locally) or locally only, respectively. At baseline, a majority of patients were <65 years (84%), 66% were never smokers and 46% were Asian. Derived investigator-assessed ORR was 54% (95% CI 51 to 57) and 41% (95% CI 33 to 49) in the central-testing and local-testing subgroups, respectively. The most common treatment-related AEs in the overall population (any grade) were vision disorder (58%), nausea (51%), diarrhoea (47%) and vomiting (47%). PRO scores demonstrated clinically meaningful improvement in lung cancer symptoms and global quality of life. Conclusion: The efficacy, safety and PRO profiles of crizotinib in this cohort of 1066 patients with ALK-positive NSCLC are consistent with previous reports. Trial registration number: Phase 2 trial (NCT00932451); Results. PMID- 29209526 TI - The integrating nutritional therapy in oncology (INTO) project: rationale, structure and preliminary results. PMID- 29209524 TI - Heterogeneity of colon cancer: from bench to bedside. AB - The large bowel shows biomolecular, anatomical and bacterial changes that proceed from the proximal to the distal tract. These changes account for the different behaviour of colon cancers arising from the diverse sides of the colon-rectum as well as for the sensitivity to the therapy, including immunotherapy. The gut microbiota plays an important role in the modulation of the immune response and differs between the right colon cancer and the left colorectal cancer. The qualitative and quantitative difference of the commensal bacteria between the right side and the left side induces epigenetic changes in the intestinal epithelial cells as well as in the resident immune population. The second player in the pathological homeostasis of colorectal cancer is the differences of the genetic features of cancer cells and the different effects that microsatellite instability, chromosomal instability and the CpG island methylator phenotype induce on the immunological organisation of the tumour microenvironment. The third player is the immunological composition of the tumour microenvironment, which changes under the influence of both genetic structures and gut microbiota. All these three players influence each other. This review describes these three aspects, highlights their interactions and discusses data from reported clinical trials. PMID- 29209527 TI - Pembrolizumab as second-line therapy in non-small cell lung cancer in northern Norway: budget impact and expected gain-a model-based analysis. AB - Background: Pembrolizumab is a new drug approved in several countries for second line therapy in non-small cell lung cancer (NSCLC) being programmed cell death ligand (PD-L1) positive. This drug has a high cost, and the cost-effectiveness ratio has been debated. Patients and methods: The budget impact to the Northern Norwegian Regional Health Authority trust of implementing pembrolizumab in second line therapy in patients with PD-L1-positive NSCLC was calculated. A model was developed employing data from the Cancer Registry of Norway, the KEYNOTE-010 study, the price list from The Hospital Pharmacy of North Norway, the cost of analysing PD-L1 expression and the cost of travelling. Today's cost of second line therapy was compared with the new standard employing pembrolizumab. The sale price of pembrolizumab in Norway was not published due to price confidentiality. Norwegian krone (NKr) was converted into Euros (?) at a rate of 1?=Nkr 8.8138. (Bank of Norway, 21 February 2017). Results: 105 new patients were identified available for pembrolizumab per year. The annual cost of pembrolizumab was ?5.2 million, hospital pharmacy administration costs ?0.1 million, PD-L1 testing ?0.3 million, oncologist/pulmonologist/nurses ?0.2 million, radiology ?0.06 million and transportation ?0.4 million. Savings due to avoided present second-line therapy was calculated ?0.4 million. Consequently, the cost of implementing pembrolizumab was ?5.5 million and the annual budget impact was ?5.0 million. A mean gain of at least 9 months per patient treated was necessary to make pembrolizumab cost-effective. Conclusions: The net budget impact of pembrolizumab was ?5.0 million. The expenditure could not be indicated cost-effective. Price confidentiality is a growing problem in health economics and it has become a 'menu without prices' setting. PMID- 29209528 TI - Cancer and the arts: metastasis-as perceived through the ages. PMID- 29209529 TI - Patient-reported pain severity, pain interference and health status in HR+/HER2- advanced/metastatic breast cancer. AB - Introduction: Patient-reported pain severity and related impact in advanced/metastatic breast cancer (ABC/MBC) are not well documented. The objective of this study was to assess pain and general health status in hormone receptor-positive (HR+)/human epidermal growth factor receptor 2-negative (HER2-) ABC/MBC. Methods: Data were collected in the USA and Europe in a real-world, cross-sectional study. Patients were recruited at oncology practices and completed validated questionnaires; pain severity and interference were assessed using the Brief Pain Inventory (BPI) and general health status using the EuroQoL 5D (EQ-5D-3L). Descriptive statistics were generated for the overall cohort, and stratified by type of therapy and sites of metastases. Differences between patient groups were assessed via the Mann-Whitney Wilcoxon test. The relationship between pain scores and general health status was assessed using Kruskal-Wallis tests. Results: Overall, 173 oncologists and 739 patients participated. The majority of patients rated their worst pain, average pain and pain interference as mild (59%, 77% and 70%, respectively). Most patients (>90%) reported no problems or moderate problems for all items of the EQ-5D-3L. Current treatment had no significant associations with pain severity or interference. Patients on chemotherapy reported significantly higher proportions of moderate/extreme levels of anxiety/depression (66.7%) and significantly lower general health status (60.7) compared with those on endocrine therapy (53.1% and 64.4, respectively). Pain severity and interference, all EQ-5D-3L items except self-care and the EQ-5D 3L health utility index were also significantly associated with sites of metastases, with greater impact in patients with visceral and bone metastases than those with bone only or visceral only metastases. Significant associations were observed between pain and health status, with increased pain severity and pain interference associated with worse health utility and general health status. Conclusion: There is a clear unmet need for treatments that can reduce pain and preserve health status in patients with HR+/HER2- ABC/MBC. PMID- 29209531 TI - Rituximab biosimilars open new horizons in immunotherapy. PMID- 29209530 TI - Teleconsultation ultrasonography: a new weapon to combat cholangiocarcinoma. AB - Although cholangiocarcinoma (CCA) is usually a rare cancer, in northeast Thailand it kills 20 000 or more people every year. The prognosis is very poor owing to late stage diagnosis, with palliative treatment often representing the only option. In this area of predominantly rural Thailand, CCA is associated with infection with the liver fluke, Opisthorchis viverrini, which is classified as a group 1 carcinogen. Up to 6 million Thais are infected with this fluke. The Cholangiocarcinoma Screening and Care Program (CASCAP) was initiated in 2014 with the aim of detecting early stage CCA, allowing curative surgery, by using ultrasound (US) screening of prospectively 500 000 at risk individuals. In order to assess the massive number of radiological images, a teleconsultation system was set-up. This allows US images to be sent to a dedicated server where they can be viewed by an expert radiologist who then provides a provisional diagnosis, recommending more advanced diagnostic techniques (CT and MRI) for suspected cases. To date, 250 000 people have been screened, and 2000 cases of CCA diagnosed. This innovative information transfer procedure will also be made available to Laos, Cambodia and Vietnam, where O. viverrini infection is also common. PMID- 29209532 TI - ESMO Open welcomes the association with the Japanese Society of Medical Oncology (JSMO). PMID- 29209533 TI - Vinorelbine in BRAF V600E mutated metastatic colorectal cancer: a prospective multicentre phase II clinical study. AB - Background: BRAF V600E mutation defines a specific colorectal cancer (CRC) subgroup with poor prognosis. Promising preclinical data showed synthetically lethal activity of mitotic spindle poisons on BRAF-mutated and BRAF-like CRC models. We designed a phase II trial to test the activity of vinorelbine in patients with BRAF V600E mutated metastatic CRC (mCRC). Patients and methods: Patients progressed to or not deemed eligible for standard treatments received oral (60 mg/sqm) or intravenous (25 mg/sqm) vinorelbine, on days 1 and 8 every 21 days. Primary endpoint was objective response rate (ORR). Results: Twenty patients were enrolled; 75% of them were highly pretreated. No responses were observed (0%); only one patient had a confirmed disease stabilisation (5%). Median progression-free survival was 1 month (95% CI 0.8 to 1.8), median overall survival was 2.1 months (95% CI 1.6 to 3.7). No serious adverse events were observed. Conclusions: Despite encouraging preclinical data, our study did not show signs of clinical activity for vinorelbine in this patients' population. Further investigations on molecular heterogeneity and dynamic evolution of BRAF V600E mutated mCRC are needed. PMID- 29209534 TI - Cancer and the arts: how often do doctors only see what they want to see? Or: the case of an 'epidemic of breast cancer among famous artists'. PMID- 29209535 TI - Do patients with reduced or excellent performance status derive the same clinical benefit from novel systemic cancer therapies? A systematic review and meta analysis. AB - Background: Whether patients with excellent and reduced performance status (PS) derive different net clinical benefit from novel anticancer systemic therapies on clinical trials is unclear. Materials and methods: A systematic review was conducted of randomised controlled trials (RCTs) cited for drug approvals between 2006 and August 2015 by the Food and Drug Administration, the European Medicines Agency and Health Canada. Included studies had overall survival (OS) and/or progression-free survival (PFS) primary endpoints. Meta-analyses of OS/PFS based on PS dichotomised into excellent and reduced subgroups were performed using random effects. Results: The systematic review identified 110 RCTs, with none reporting PS subgroup analyses for toxicity and 66 (60%) for efficacy. For these 66 RCTs involving 44 511 patients, pooled HRs for excellent and reduced groups were 0.65 (95% CI 0.61 to 0.70) and 0.67 (95% CI 0.62 to 0.72), respectively, with no difference between the two groups (p=0.68). Sensitivity analyses based on drug or cancer type and type of endpoints (OS or PFS) demonstrated similar results. Conclusions: No decrease in relative efficacy from novel systemic therapy was found for patients with reduced PS when compared with patients with excellent PS for the range which were included in modern RCTs. Reporting of PS subgroup analyses of toxicities and more inclusion of patients with borderline low PS in RCTs should be considered for a more comprehensive understanding of the net clinical benefits of contemporary systemic therapies in patients across the spectrum of different PS. PMID- 29209536 TI - Activating HER2 mutations as emerging targets in multiple solid cancers. AB - The epidermal growth factor receptor (EGFR) family of transmembrane receptor tyrosine kinases activates signalling pathways regulating cellular proliferation and survival. HER2 is a non-ligand-binding member of this family and exerts its activity through heterodimerisation with other EGFR family members. HER2 functional activation promotes oncogenesis, leading to the investigation of HER2 directed agents in cancers with HER2 alterations. This has been best characterised in the context of HER2 gene amplification in breast and gastro oesophageal cancers, for which HER2-directed drugs form part of standard treatment regimens. More recently, somatic HER2 gene mutations have been detected in a range of human cancer types. Preclinical data suggest that functionally activating HER2 mutations may drive and maintain cancers in a manner analogous to HER2 gene amplification and that HER2 mutations may similarly confer sensitivity to HER2-directed drugs. Here, we critically review the emerging roles for HER2 directed drugs in HER2 mutant cancers. We review data from experimental models, where our knowledge of the underlying biology of HER2 mutational activation remains incomplete. We discuss clinical data from Phase I and II clinical trials which evaluate HER2-directed agents (tyrosine kinase inhibitors and antibody based drugs) in several cancer types. We highlight the heterogeneity of HER2 mutations in human cancers, differences in the clinical efficacy of HER2-directed drugs between cancer types and possible mechanisms of primary and acquired resistance, in order to guide clinical practice and future drug development. PMID- 29209537 TI - Health extension workers improve tuberculosis case finding and treatment outcome in Ethiopia: a large-scale implementation study. AB - Background: Tuberculosis (TB) is a major cause of death in Ethiopia. One of the main barriers for TB control is the lack of access to health services. Methods: We evaluated a diagnostic and treatment service for TB based on the health extension workers (HEW) of the Ethiopian Health Extension Programme in Sidama Zone, with 3.5 million population. We added the services to the HEW routines and evaluated their effect over 4.5 years. 1024 HEWs were trained to identify individuals with symptoms of TB, request sputum samples and prepare smears. Smears were transported to designated laboratories. Individuals with TB were offered treatment at home or the local health post. A second zone (Hadiya) with 1.2 million population was selected as control. We compared TB case notification rates (CNR) and treatment outcomes in the zones 3 years before and 4.5 years after intervention. Results: HEWs identified 216 165 individuals with symptoms and 27 918 (12%) were diagnosed with TB. Smear-positive TB CNR increased from 64 (95% CI 62.5 to 65.8) to 127 (95% CI 123.8 to 131.2) and all forms of TB increased from 102 (95% CI 99.1 to 105.8) to 177 (95% CI 172.6 to 181.0) per 100 000 population in the first year of intervention. In subsequent years, the smear positive CNR declined by 9% per year. There was no change in CNR in the control area. Treatment success increased from 76% before the intervention to 95% during the intervention. Patients lost to follow-up decreased from 21% to 3% (p<0.001). Conclusion: A community-based package significantly increased case finding and improved treatment outcome. Implementing this strategy could help meet the Ethiopian Sustainable Development Goal targets. PMID- 29209538 TI - Disclosure of Parental HIV Status to Children: Experiences of Adults Receiving Antiretroviral Treatment at an Urban Clinic in Kampala, Uganda. AB - Limited data are available on the experiences of parental HIV disclosure to children in Uganda. We conducted a qualitative study comprising sixteen in-depth interviews and four focus group discussions with parents receiving highly active antiretroviral therapy. Analysis was done using Atlas.ti qualitative research software. Back-and-forth triangulation was done between transcripts of the in depth interviews and focus group discussions, and themes and subthemes were developed. Barriers to parents' disclosure included perceptions that children are too young to understand what HIV infection means and fears of secondary disclosure by the children. Immediate outcomes of disclosure included children getting scared and crying, although such instances often gave way to more enduring positive experiences for the parents, such as support in adherence to medical care, help in household chores, and a decrease in financial demands from the children. Country-specific interventions are needed to improve the process of parental HIV disclosure to children and this should encompass preparation on how to deal with the immediate psychological challenges associated with the parent's disclosure. PMID- 29209539 TI - Proposing Development and Utility of a Mobility Composite Measure in Patients with a Neurologic Disorder. AB - Background: Outcome measures typically assess single domains making holistic assessment difficult. Our purpose was to develop a mobility composite measure (MCM) based on four commonly used outcome measures and compare this composite score to the individual measures in patients with neurologic disorders. Methods: We retrospectively reviewed 148 medical records for inclusion of primary neurologic diagnosis and scoring for 5 times sit-to-stand test (5TSST), 10-meter walk test (10MWT), 2-minute walk test (2MWT), and activities-specific balance confidence (ABC) scale. Results: After establishing that a single concept was being assessed with interitem correlations, raw scores were converted to percentage of normal and combined into the MCM for analysis from admission to discharge. Scores on each measure significantly improved after intervention (5TSST, p < .001; 10MWT, p < .001; 2MWT, p < .001; ABC, p = .02). Mean MCM (n = 93) admission scores were 67.55 +/- 31.88% and discharge scores were 74.81 +/- 34.39% (p = .002). On average, patients improved 7.26% on the MCM exceeding the threshold of expected error (MDC95 = 3.59%). Conclusions: MCM detected change in patient outcomes statistically and clinically and appears to capture a holistic picture of functional status. We recommend a prospective study to further investigate a "composite measure" incorporating measures from several functional domains. PMID- 29209540 TI - Deglutition Syncope: Two Case Reports Attributed to Vagal Hyperactivity. AB - Deglutition syncope is a relatively rare cause of syncope that belongs to the category of neurally mediated reflex syncopal syndromes. The phenomenon is related to vagal reflex in context to deglutition causing atrioventricular block and acute reduction in cardiac output leading to dizziness or syncope. We present case series of two cases of deglutition syncope, of which first was managed medically and second with pacemaker implantation. PMID- 29209541 TI - A Rare Manifestation of Asymptomatic Ebstein's Anomaly with Tricuspid Valve Endocarditis. AB - Ebstein's anomaly is a rare congenital heart disease that presents with apical displacement of the septal and posterior leaflets of the tricuspid valve. It has a wide spectrum of clinical presentations and has been shown to manifest itself any time from birth to adulthood. Our patient is a 43-year-old male with a history of intravenous heroin abuse who presented to the emergency department with worsening shortness of breath and lower extremity edema. He denied any prior cardiac history. A transthoracic echo showed normal left ventricular function, but a large 2.2 * 2.1 cm echodensity on the septal leaflet of the tricuspid valve consistent with vegetation with severe tricuspid regurgitation and probable leaflet perforation. It also demonstrated severe right heart enlargement with atrialization of the right ventricle and apical displacement of the tricuspid valve consistent with Ebstein's anomaly. This is a rare case of an adult who presented with asymptomatic Ebstein's anomaly. There have been few reports of tricuspid valve endocarditis with Ebstein's anomaly in the literature. To our knowledge, this represents the fifth reported case of a new diagnosis of Ebstein's anomaly in the setting of endocarditis and the second case of Ebstein's anomaly and endocarditis in an intravenous drug abuser. PMID- 29209542 TI - Skin Lesions Associated with Nutritional Management of Maple Syrup Urine Disease. AB - Introduction: Maple syrup urine disease (MSUD) is an inborn error of branched chain amino acids (BCAAs) metabolism. We report an infant with MSUD who developed 2 episodes of cutaneous lesions as a result of isoleucine deficiency and zinc deficiency, respectively. Case Presentation: A 12-day-old male infant was presented with poor milk intake and lethargy. The diagnosis of MSUD was made based on clinical and biochemical data. Management and Outcome: Specific dietary restriction of BCAAs was given. Subsequently, natural protein was stopped as the patient developed hospital-acquired infections which resulted in an elevation of BCAAs. Acrodermatitis dysmetabolica developed and was confirmed to be from isoleucine deficiency. At the age of 6 months, the patient developed severe lethargy and was on natural protein exclusion for an extended period. Despite enteral supplementation of zinc sulfate, cutaneous manifestations due to zinc deficiency occurred. Discussion: Skin lesions in MSUD patients could arise from multiple causes. Nutritional deficiency including isoleucine and zinc deficiencies can occur and could complicate the treatment course as a result of malabsorption, even while on enteral supplementation. Parenteral nutrition should be considered and initiated accordingly. Clinical status, as well as BCAA levels, should be closely monitored in MSUD patients. PMID- 29209543 TI - A Rare Case of Endometrial Cancer Metastatic to the Sigmoid Colon and Small Bowel. AB - Metastatic endometrial cancer to the small bowel or colon has been described but is quite rare. We present a case of metastatic endometrial cancer with synchronous metastases to the colon and jejunum identified three years after surgical treatment of early stage endometrial cancer. PMID- 29209544 TI - A Case of Proliferative Glomerulonephritis with Monoclonal IgG Deposits That Showed Predominantly Membranous Features. AB - In 2004, the novel category of monoclonal IgG deposition disease has been proposed and termed "proliferative glomerulonephritis with monoclonal IgG deposits" (PGNMID). This disease is characterized by membranoproliferative glomerulonephritis and staining for a single light-chain isotype and gamma heavy chain subclass. A 76-year-old male who had monoclonal gammopathy was referred to our hospital because of proteinuria. The renal biopsy showed diffuse thickening of the glomerular capillary walls with focal mesangial proliferation. On immunofluorescence study, only IgG1 among the four subclasses and lambda light chains were detected mainly in the glomerular capillary walls. From these results, we diagnosed our case as PGNMID showing predominantly membranous features. Almost all pathological findings on light microscopy of PGNMID are membranoproliferative GN or endocapillary proliferative GN, while membranous GN cases are rare. Here, we present the case of PGNMID that showed predominantly membranous features on light microscopy. PMID- 29209545 TI - Difficult to Treat Focal, Stiff Person Syndrome of the Left Upper Extremity. AB - Background: Stiff person syndrome (SPS) is a rare neurologic disorder characterized by muscle rigidity. It is a disorder of reduced GABA activity leading to increased muscle tone and often painful spasms. It generally presents in the axial musculature but rarely can involve only one limb, typically a lower extremity. In rare cases it can be paraneoplastic which generally resolves on treatment of the underlying neoplasm. Case Report: A 46-year-old male with a history of Hodgkin's Lymphoma in remission presented with left upper extremity pain secondary to a diagnosis of Stiff Person Syndrome limited to his left upper extremity. He had previously benefitted from plasmapheresis and was on diazepam and baclofen at home with relatively good control of his symptoms. SPS had previously been diagnosed with EMG and anti-GAD-65 antibody titers and was confirmed by an elevated anti-GAD-65 antibody titer. He was treated with plasmapheresis and maximum doses of medical treatment including botulinum toxin with only transient mild improvement in his symptoms. Conclusion: This case represents a case of a rare disease that was refractory to all known therapies. It outlines the need for further understanding of this disorder in order to provide better symptomatic treatment or potentially more definitive care. PMID- 29209546 TI - Unilateral Cervical Lymphadenopathy due to Cladosporium oxysporum: A Case Report and Review of the Literature. AB - Phaeohyphomycosis is a fungal infection caused by Dermatiacae group of fungi, by Cladosporium spp. The term phaeohyphomycosis was introduced by Ajello et al. in 1974 to designate infections by brown pigmented filamentous fungi. Cladosporium oxysporum is a very rare etiological agent in humans. Phaeohyphomycosis of the cervical lymph node in an immunocompetent individual is a very rare clinical entity. To the best of our knowledge we report the first case of phaeohyphomycosis caused by Cladosporium oxysporum in the absence of other systemic manifestations in a 16-year-old male. PMID- 29209547 TI - An Acquired Form of Dandy-Walker Malformation with Enveloping Hemosiderin Deposits. AB - Dandy-Walker malformation (DWM) is a posterior fossa anomaly characterized by hypoplasia and upward rotation of the cerebellar vermis and cystic dilation of the fourth ventricle. The cyst of DWM rarely extends posteriorly to almost completely fill the entire posterior fossa, which mimics primary cerebellar agenesis, a cerebellar porencephalic cyst, and an arachnoid cyst due to the lack of clarity of the thin cystic wall. A 10-month-old female born at 23 weeks' gestation with cerebellar hemorrhage in the neonatal period was admitted to our hospital with dysphagia and side-to-side head bobbing. The detection of hemosiderin deposits enveloping the cyst wall by T2 star-weighted angiography (SWAN) was useful for the differential diagnosis of an acquired form of DWM from primary cerebellar agenesis. Cyst fenestration successfully improved dysphagia and head bobbing. A pathological specimen of the perforated cyst consisted of collagen fibers with hemosiderin deposits but lacked congenital cyst components. In infants with posterior fossa cysts, SWAN will be useful for a differential diagnosis between DWM and primary cerebellar agenesis. PMID- 29209548 TI - Use of Interpersonal Counseling for Modern Type Depression. AB - A novel form of depression, called "modern type depression" (MTD), has been increasing in prevalence in Japan. Patients with MTD present with an overt appeal of depressive mood and a desire to be excused from their work duties; as such, this can cause considerable trouble in the workplace. Psychosocial interventions should be primarily considered for the treatment of MTD. Interpersonal counseling (IPC), which has proven effective for treating subthreshold depression, may be effective for MTD. However, IPC is rarely done in Japan. Herein, we report on a successful case of IPC for a woman in her thirties who was about to quit her job due to MTD (diagnosed by the criteria for research use). After IPC, the patient enjoyed good communication with her boss and continued her job without succumbing to her depression. This case suggests that IPC may be effective for MTD in workers and further highlights the benefits of teaching interpersonal communication methods in the workplace. PMID- 29209549 TI - Macrophage Activation Syndrome: A Report of Two Cases and a Literature Review. AB - Macrophage activation syndrome (MAS) is a severe, potentially fatal condition that may complicate autoimmune diseases, and it belongs to hemophagocytic lymphohistiocytosis (HLH) disorders. MAS occurs in adults and children. However, it is rare in juvenile systemic lupus erythematosus (jSLE), and it is extremely rare to be the initial presentation of jSLE. Here, we report two patients with juvenile SLE who initially presented with MAS. One of the two patients is 4 years old. This is the youngest reported patient to our knowledge. PMID- 29209550 TI - Rare Case of Large Bowel Injury due to Direct Blunt Trauma to a Preexisting Femoral Hernia. AB - We report a case of an 85-year-old man with a known asymptomatic left femoral hernia who was admitted to the emergency ward a few hours after falling from a bicycle and suffering from blunt trauma of the handlebar to the left inguinal region. The clinical findings and a computed tomography (CT) scan detecting free air in the femoral hernia sac suggested bowel perforation. Emergency laparotomy 6 hours after the incident confirmed a tear of the sigmoid colon accompanied by free blood and faeces in the left inguinal region of the abdomen. A segmental sigmoid resection and a primary end-to-end colorectal anastomosis were performed. The postoperative course was complicated by delayed oral feeding, a local infection, and a partial left testicle necrosis that led to secondary resection. The patient was discharged after 32 days of in-hospital care. Three months post trauma, we recorded a restitutio ad integrum. The case exemplifies that blunt trauma to preexisting femoral hernias may cause potentially lethal bowel perforation and that the time interval between time of injury and surgical treatment may be a prognostic factor. CT scans seem most suitable for ruling out bowel perforation. The scarce literature for blunt trauma to hernias is reviewed. PMID- 29209551 TI - Synchronous Occurrence of Primary Breast Carcinoma and Primary Colon Adenocarcinoma. AB - A 65-year-old female patient presented to the emergency clinic with abdominal pain, meteorism, and intermittent rectal bleeding. Colonoscopy was performed, and a hepatic flexure tumor was detected. Histopathological examination of biopsy revealed adenocarcinoma. Thoracoabdominal CT was performed for staging, and a spiculated contour mass was found incidentally on the left breast. Mammography and ultrasonography were performed for the cause of these findings, and suspicious lesions of malignancy were seen in the left breast. Invasive ductal carcinoma was detected in core needle biopsy samples from lesions. In the multidisciplinary council consisting of oncologist, pathologist, radiologist, and general surgery specialist, it was decided to perform breast operation first and then colon operation, followed by adjuvant chemotherapy. In the first operation, left total mastectomy and sentinel lymph node biopsy were performed. One week after her initial operation, the patient underwent right hemicolectomy. After operations, the patient did not develop postoperative complications and was sent to medical oncology department for adjuvant chemotherapy. PMID- 29209552 TI - Corrigendum to "Challenges in Interpretation of Thyroid Function Tests in Pregnant Women with Autoimmune Thyroid Disease". AB - [This corrects the article DOI: 10.4061/2011/598712.]. PMID- 29209553 TI - Antidyskinetic Treatment with MTEP Affects Multiple Molecular Pathways in the Parkinsonian Striatum. AB - Parkinson's disease is characterized by dopaminergic neuron loss and dopamine (DA) depletion in the striatum. Standard treatment is still focused on the restoration of dopamine with exogenous L-Dopa, which however causes L-Dopa induced dyskinesia (LID). Several studies have shown that antagonism of the metabotropic glutamate receptor 5 alleviates LID, but the underlying mechanisms have remained unclear. We set out to determine where this alleviation may depend on restoring the equilibrium between the two main striatofugal pathways. For this purpose, we examined molecular markers of direct and indirect pathway involvement (prodynorphin and proenkephalin, resp.) in a rat model of LID treated with the mGluR5 antagonist MTEP. Our results show that MTEP cotreatment significantly attenuates the upregulation of prodynorphin mRNA induced by L-Dopa while also decreasing the expression levels of proenkephalin mRNA. We also examined markers of the mGluR5-related PKC/MEK/ERK1/2 signaling pathway, finding that both the expression of PKC epsilon and the phosphorylation of MEK and ERK1/2 had decreased significantly in the MTEP-treated group. Taken together, our results show that pharmacological antagonism of mGluR5 normalizes several abnormal molecular responses in the striatum in this experimental model of LID. PMID- 29209554 TI - Genetic Analysis of LRRK2 R1628P in Parkinson's Disease in Asian Populations. AB - Although the etiology of Parkinson's disease (PD) remains unclear, there is increasing evidence of genetic factors contributing to the onset of PD. Various mutations and risk variants of the gene LRRK2 have been reported, but the association between LRRK2 R1628P and PD is still inconsistent. Thus, we conducted a meta-analysis to determine the potential relationship between R1628P and PD. Our study sample was an aggregate of 17 publications, which in total consisted of 9,275 PD patients and 8,114 controls. All of these articles are of high quality according to NOS, and there was no obvious reporting bias or heterogeneity. In a general Asian population, the pooled OR of the risk genotype contrasts was 1.83 (95% CI: 1.57, 2.13). When stratified by ethnicity, the pooled ORs were 1.84 (95% CI: 1.56, 2.18) in a Chinese population and 1.79 (95% CI: 1.27, 2.52) in a non Chinese population. Our study suggests that LRRK2 R1628P appears to be a risk factor for PD in Asian populations, both Chinese and non-Chinese. PMID- 29209555 TI - Validating Analytical Protocols to Determine Selected Pesticides and PCBs Using Routine Samples. AB - This study aims at providing recommendations concerning the validation of analytical protocols by using routine samples. It is intended to provide a case study on how to validate the analytical methods in different environmental matrices. In order to analyze the selected compounds (pesticides and polychlorinated biphenyls) in two different environmental matrices, the current work has performed and validated two analytical procedures by GC-MS. A description is given of the validation of the two protocols by the analysis of more than 30 samples of water and sediments collected along nine months. The present work also scopes the uncertainty associated with both analytical protocols. In detail, uncertainty of water sample was performed through a conventional approach. However, for the sediments matrices, the estimation of proportional/constant bias is also included due to its inhomogeneity. Results for the sediment matrix are reliable, showing a range 25-35% of analytical variability associated with intermediate conditions. The analytical methodology for the water matrix determines the selected compounds with acceptable recoveries and the combined uncertainty ranges between 20 and 30%. Analyzing routine samples is rarely applied to assess trueness of novel analytical methods and up to now this methodology was not focused on organochlorine compounds in environmental matrices. PMID- 29209556 TI - Chinese Herbal Medicines as Potential Agents for Alleviation of Heat Stress in Poultry. AB - Heat stress negatively affects the productivity of chickens in commercial poultry farms in humid tropics. In this study, the concentrations and types of the antioxidant compounds of eight Chinese herbal medicines, which have previously demonstrated promising effects on suppressing heat stress as a mixture, were investigated using reversed-phase High Performance Liquid Chromatography, spectrophotometry, Liquid Chromatography Mass Spectrometry, and Gas-Liquid Chromatography. Our results provided the levels of phenolic compounds, total amounts of sugars, and total unsaturated fatty acids in the herbal extracts. Apart from the detection and quantification of the active ingredients of herbs that have the potential to mitigate heat stress in poultry, results of this study also provide useful data for developing an efficient and accurate formulation of the herbs' mixtures in order to induce positive effects against heat stress in in vivo studies. PMID- 29209557 TI - LINE-1 in response to exposure to ionizing radiation. AB - It is becoming increasingly recognized that Long Interspersed Nuclear Element, 1 (LINE-1), the most ubiquitous repetitive element in the mammalian genomes, plays an important role in the pathogenesis of disease and in the response to exposure to environmental stressors. Ionizing radiation is a known genotoxic stressor, but it is capable of targeting the cellular epigenome as well. Radiation-induced alterations in LINE-1 DNA methylation are the most frequently observed epigenetic effects of exposure. The extent of this aberrant DNA methylation, however, strongly depends on a number of factors, including the type and dose of radiation. Two other factors are being discussed in this commentary - the evolutionary age and type of the LINE-1 promoter, as well as the type of irradiated cell. This knowledge will further aid in elucidating the mechanisms of response to ionizing radiation exposure, as well in understanding the pathogenesis of the negative health effects associated with exposure. PMID- 29209558 TI - Development and clinical application of anti-HER2 monoclonal and bispecific antibodies for cancer treatment. AB - HER2-targeted immunotherapy consists of monoclonal antibodies (e.g. trastuzumab, pertuzumab), bispecific antibodies (e.g. MM-111, ertumaxomab) and activated T cells armed with anti-HER2 bispecific antibody (HER2Bi-aATC). Trastuzumab is a classic drug for the treatment of HER2 positive metastatic breast cancer. The combined application of pertuzumab, trastuzumab and paclitaxel has been suggested as a standard therapy for HER2 positive advanced breast cancer. The resistance to anti-HER2 antibody has resulted in disease progression. HER2-directed bispecific antibody may be a promising therapeutic approach for these patients. Ertumaxomab enhanced the interaction of immune effector cells and tumor cells. MM-111 simultaneously binds to HER2 and HER3 and blocks downstream signaling. Besides, HER2Bi-aATC is also an alternative therapeutic approach for HER2 positive cancers. In this review, we summarized the recent advancement of HER2-targeted monoclonal antibodies (trastuzumab, pertuzumab and T-DM1) and bispecific antibodies (MM-111, ertumaxomab and HER2Bi-aATC), especially focus on clinical trial results. PMID- 29209559 TI - NKp46 expression on NK cells as a prognostic and predictive biomarker for response to allo-SCT in patients with AML. AB - NKp46 is a major determinant of natural killer (NK) cell function and it is implicated in tumor immune surveillance in acute myeloid leukemia (AML). The purpose of this study was to investigate the prognostic significance of NKp46 expression in an independent cohort of patients with AML, and to investigate the impact of NKp46 on clinical outcome after allogeneic stem cell transplantation (allo-SCT). NKp46 expression was assessed at diagnosis on NK cells by flow cytometry (N = 180 patients). Clinical outcome was evaluated with regard to NKp46 expression. Patients with NKp46high phenotype at diagnosis had better progression free survival (PFS) and overall survival (OS) than patients with NKp46low phenotype (74.3% vs. 46.6%, p = 0.014; 82.6% vs. 57.1%, p = 0.010, respectively). In multivariate analysis, high NKp46 was an independent factor for improved OS (HR = 0.409, p = 0.010) and PFS (HR = 0.335, p = 0.011). Subgroup analysis revealed that allo-SCT had a favorable impact on PFS in patients with NKp46high phenotype (p = 0.025). By contrast, allo-SCT did not impact PFS in patients with low NKp46 expression (p = 0.303). In conclusion, we validate the prognostic value of NKp46 expression at diagnosis in AML. However, the prognostic value of NKp46 expression is limited to patients treated with allo-SCT, thus suggesting that NKp46 status may be predictive for allo-SCT responsiveness. PMID- 29209560 TI - PD-L1 and epithelial-mesenchymal transition in circulating tumor cells from non small cell lung cancer patients: A molecular shield to evade immune system? AB - The programmed cell death 1 (PD-1)/PD-1 ligand 1 (PD-L1) pathway has emerged as a critical inhibitory pathway regulating T-cell response in non-small-cell lung cancer (NSCLC), and the development of PD-1/PD-L1 inhibitors has changed the landscape of NSCLC therapy. Nevertheless, the high degree of non-responders demonstrates that we are still far from completely understanding the events underlying tumor immune resistance. Although the expression of PD-L1 in tumor tissue has been correlated with clinical response to anti PD-1 inhibitors, the ability of this marker to discriminate the subgroup of patients who derive benefit from immunotherapy is suboptimal. Circulating tumor cells (CTCs), as an accessible source of tumor for biologic characterization that can be serially obtained with minimally invasive procedure, hold significant promise to facilitate treatment-specific biomarkers discovery. We recently demonstrated that the presence of PD-L1 on CTCs apparently predicts resistance to the anti-PD-1 Nivolumab in metastatic NSCLC patients and that PD-L1 positive CTCs usually have an elongated morphology that can be ascribed to epithelial-mesenchymal transition (EMT). We here demonstrate for the first time that PD-L1 positive CTCs isolated from NSCLC patients are characterized by partial EMT phenotype, and hypothesize that the co-expression of PD-L1 and EMT markers might represent for these cells a possible molecular background for immune escape. PMID- 29209561 TI - Tumor-associated macrophages and response to 5-fluorouracil adjuvant therapy in stage III colorectal cancer. AB - Tumor-associated macrophages (TAMs) play a role in tumor development and progression. We hypothesized that abundance of TAMs might modify efficacy of 5 fluorouracil chemotherapy in colorectal cancer. We measured the density of CD68+ TAMs at the invasive front of primary tumor of colorectal carcinoma (PT-TAMs; n = 208), at available matched metastatic lymph node (LN-TAMs; n = 149), and in an independent set of primary colorectal cancers (PT-TAMs, n = 111). The hazard ratios for disease-free survival were computed by Cox proportional-hazards model. In exploratory analysis, the interaction between TAMs and 5-fluorouracil adjuvant therapy was significant (PT-TAMs, p = 0.02; LN-TAMs, p = 0.005). High TAMs were independently associated with better disease-free survival only in 5-fluorouracil treated patients (PT-TAMs, HR 0.23; 95%CI, 0.08-0.65; p = 0.005; LN-TAMs, HR 0.13; 95%CI, 0.04-0.43; p = 0.001). The independent predictive value of PT-TAMs was replicated in the external set (HR, 0.14; 95%CI 0.02-1.00; p = 0.05). In an in vitro experiment, 5-fluorouracil and macrophages showed a synergistic effect and increased colorectal cancer cell death. High densities of TAMs, particularly in metastatic lymph-nodes, identify stage III colorectal cancer patients benefitting from 5-fluorouracil adjuvant therapy. PMID- 29209562 TI - Collagen I enhances the efficiency and anti-tumor activity of dendritic-tumor fusion cells. AB - Low fusion efficiency and nominal activity of fusion cells (FCs) restrict the clinical application of dendritic cell (DC)/tumor fusion cells. Collagen I (Col I) is an interstitial collagen with a closely-knit structure used to repair damaged cell membranes. This study evaluated whether Col I could improve the fusion efficiency of polyethylene glycol (PEG)-induction and enhance the immunogenicity of fusion vaccine. DC/B16 melanoma and controlled DC/H22 hepatoma cell fusions were induced by PEG with or without Col I. Col I/PEG treatment increased the levels of DC surface molecules and the secretion of lactate, pro- and anti-inflammatory cytokines in fusion cells. Col I/PEG-treated FCs enhanced T cell proliferation and cytotoxic T lymphocyte activity. The Col I-prepared fusion vaccine obviously suppressed tumor growth and prolonged mice survival time. Thus Col I treatment could significantly improve the efficiency of PEG-induced DC/tumor fusion and enhance the anticancer activity of the fusion vaccine. This novel fusion strategy might promote the clinical application of DC/tumor fusion immunotherapy. PMID- 29209563 TI - Comparative immunologic characterization of autoimmune giant cell myocarditis with ipilimumab. AB - Autoimmune myocarditis is a rare but often fatal toxicity of checkpoint inhibitor immunotherapy. To improve the understanding of this complication, we performed immune profiling on post-mortem tissue from a patient with metastatic melanoma who had steroid-responsive hepatitis, steroid-refractory myocarditis, and shrinking lung metastases after ipilimumab treatment. Histological analysis of heart tissue demonstrated findings consistent with giant cell myocarditis (GCM). The immune infiltrate in the heart was largely comprised of CD4+ T cells, whereas the liver had very few T cells, and CD8+ T cells were predominant in the responding lung metastases. TCR sequencing identified high T cell clonality in the lung metastases. The TCR repertoire showed low clonality in the heart and minimal overlap with the liver (1.2%), but some overlap with lung metastases (9.9%). Transcriptional profiling identified several potential mediators of increased inflammation in the heart. These findings provide new insights into the pathogenesis of autoimmune myocarditis with ipilimumab. PMID- 29209565 TI - Tumor-targeted costimulation with antibody-fusion proteins improves bispecific antibody-mediated immune response in presence of immunosuppressive factors. AB - Therapeutic strategies aiming for the induction of an effective immune response at the tumor site can be severely hampered by the encounter of an immunosuppressive microenvironment. We investigated here the potential of concerted costimulation by tumor-directed antibody-fusion proteins with B7.1, 4 1BBL and OX40L to enforce bispecific antibody-induced T cell stimulation in presence of recognized immunosuppressive factors including IL-10, TGF-beta, indoleamine 2,3-dioxygenase (IDO), PD-L1 and regulatory T cells. The expression and activity of these factors was demonstrated in the HT1080-FAP/PBMC co-culture setting, where individual and combined costimulation were still capable to enhance T cell stimulation, even though the general activation level was reduced. Additional blockade of TGF-beta or PD-1 resulted especially effective in further enhancing the degree of T cell activation. Here, best outcome was achieved by combined costimulation of targeted 4-1BBL and B7.1. Furthermore, their individual impact on the proliferation of naive, memory and effector CD8+ and CD4+ T cell subsets, suggest the coverage of a comprehensive T cell response. Thus, our costimulatory antibody-fusion proteins show great potential to support T cell activation in adverse conditions dictated by the tumor microenvironment. PMID- 29209564 TI - Leukotriene B4-receptor-1 mediated host response shapes gut microbiota and controls colon tumor progression. AB - Inflammation and infection are key promoters of colon cancer but the molecular interplay between these events is largely unknown. Mice deficient in leukotriene B4 receptor1 (BLT1) are protected in inflammatory disease models of arthritis, asthma and atherosclerosis. In this study, we show that BLT1-/- mice when bred onto a spontaneous tumor (ApcMin/+) model displayed an increase in the rate of intestinal tumor development and mortality. A paradoxical increase in inflammation in the tumors from the BLT1-/-ApcMin/+ mice is coincidental with defective host response to infection. Germ-free BLT1-/-ApcMin/+ mice are free from colon tumors that reappeared upon fecal transplantation. Analysis of microbiota showed defective host response in BLT1-/- ApcMin/+ mice reshapes the gut microbiota to promote colon tumor development. The BLT1-/-MyD88-/- double deficient mice are susceptible to lethal neonatal infections. Broad-spectrum antibiotic treatment eliminated neonatal lethality in BLT1-/-MyD88-/- mice and the BLT1-/-MyD88-/-ApcMin+ mice are protected from colon tumor development. These results identify a novel interplay between the Toll-like receptor mediated microbial sensing mechanisms and BLT1-mediated host response in the control of colon tumor development. PMID- 29209566 TI - Tumor-derived exosomes educate dendritic cells to promote tumor metastasis via HSP72/HSP105-TLR2/TLR4 pathway. AB - How the tumor microenvironment educates dendritic cells (DCs) to promote tumorigenesis remains largely unknown, and the role of tumor-derived exosomes (TEXs) in tumorigenesis is controversial. Here, we report that in addition to the activation of DCs, TEXs induce DCs to produce increased interleukin-6 (IL-6), which dramatically promotes tumor invasion by increasing signal transducer and activator of transcription 3 (STAT3)-dependent matrix metalloproteinases 9 transcription activity in tumor cells. HSP72 and HSP105 on the TEX surface induce IL-6 secretion of DCs in a TLR2- and TLR4-dependent manner. In addition, HSP72 and HSP105 are predominantly present on exosomes from sera of tumor patients but not healthy people, indicating their value in tumor prediction. Furthermore, TEXs are powerful activators of DCs, and the depletion of IL-6 converts TEXs from tumor promoters to tumor inhibitors in vivo. Therefore, our results reveal a novel mechanism for the TEX-mediated education of DCs and shed light on the conundrum that TEXs present by playing dual roles in tumorigenesis. PMID- 29209567 TI - Dendritic cells pulsed with tumor cells killed by high hydrostatic pressure inhibit prostate tumor growth in TRAMP mice. AB - Dendritic cell (DC)-based vaccines pulsed with high hydrostatic pressure (HHP) inactivated tumor cells have recently been shown to be a promising tool for prostate cancer chemoimmunotherapy. In this study, DC-based vaccines, both pulsed and unpulsed, were as effective as docetaxel (DTX) in reducing prostate tumors in the orthotopic transgenic adenocarcinoma of the mouse prostate (TRAMP) model. However, we did not observe any additive or synergic effects of chemoimmunotherapy on the tumor growth, while only the combination of DTX and pulsed dendritic cells resulted in significantly lower proliferation detected by Ki67 staining in histological samples. The DC-based vaccine pulsed with HHP treated tumor cells was also combined with another type of cytostatic, cyclophosphamide, with similar results. In another clinically relevant setting, minimal residual tumor disease after surgery, administration of DC-based vaccines after the surgery of poorly immunogenic transplanted TRAMP-C2, as well as in immunogenic TC-1 tumors, reduced the growth of tumor recurrences. To identify the effector cell populations after DC vaccine application, mice were twice immunized with both pulsed and unpulsed DC vaccine, and the cytotoxicity of the spleen cells populations was tested. The effector cell subpopulations were defined as CD4+ and NK1.1+, which suggests rather unspecific therapeutic effects of the DC based vaccines in our settings. Taken together, our data demonstrate that DC based vaccines represent a rational tool for the treatment of human prostate cancer. PMID- 29209568 TI - Phenotype and tissue distribution of CD28H+ immune cell subsets. AB - CD28H is a newly discovered co-receptor of the human B7 family. CD28H interacts with its ligand B7-H5 and regulates T cell response. Here we showed that CD28H was not expressed on granulocytes, monocytes, myeloid dendritic cells (MDCs), and B cells, but constitutively expressed with moderate levels on memory T cells and with high levels on naive T cells, innate lymphoid cells (ILCs), natural killer (NK) cells, and plasmacytoid dendritic cells (PDCs) in human peripheral blood. Similar CD28H+ cell profile existed in secondary lymphoid organs and pathological tissues including multiple types of cancers. Further analysis demonstrated that CD28H+ naive and CD28H+ memory T cells were characterized with increased naive feature and less effector functional phenotype, respectively. High levels of constitutive CD28H expression on naive T cells and innate immune cells suggest a potential role of CD28H in innate and adaptive immunity. PMID- 29209569 TI - Resistance to HER2-targeted anti-cancer drugs is associated with immune evasion in cancer cells and their derived extracellular vesicles. AB - Neuromedin U (NmU) -a neuropeptide belonging to the neuromedin family- plays a substantial role in HER2-positive breast cancer, correlating with increased aggressiveness, resistance to HER2-targeted therapies and overall significantly poorer outcome for patients. However, the mechanism through which it exerts these effects remains unclear. To elucidate this, initially we used HER2-positive breast cancer cells stably over-expressing NmU. These cells and their released extracellular vesicles (EVs) had increased amounts of the immunosuppressive cytokine TGFbeta1 and the lymphocyte activation inhibitor PD-L1. Furthermore, these cells also showed enhanced resistance to antibody-dependent cell cytotoxicity (ADCC) mediated by trastuzumab, indicating a role of NmU in enhancing immune evasion. All these features were also found in HER2-targeted drug-resistant cells which we previously found to express higher levels of NmU than their drug-sensitive counterparts. Interestingly, EVs from drug-resistant cells were able to increase levels of TGFbeta1 in drug-sensitive cells. In our neo-adjuvant clinical trial, TGFbeta1 levels were significantly higher in EVs isolated from the serum of patients with HER2-overexpressing breast cancers who went on to not respond to HER2-targeted drug treatment, compared with those who experienced complete or partial response. Taken together, our results report a new mechanism-of-action for NmU in HER2-overexpressing breast cancer that enhances resistance to the anti-tumor immune response. Furthermore, EV levels of TGFbeta1 correlating with patients' response versus resistance to HER2-targeted drugs suggests a potential use of EV-TGFbeta1 as a minimally-invasive companion diagnostic for such treatment in breast cancer. PMID- 29209570 TI - CAR T-cell immunotherapy of MET-expressing malignant mesothelioma. AB - Mesothelioma is an incurable cancer for which effective therapies are required. Aberrant MET expression is prevalent in mesothelioma, although targeting using small molecule-based therapeutics has proven disappointing. Chimeric antigen receptors (CARs) couple the HLA-independent binding of a cell surface target to the delivery of a tailored T-cell activating signal. Here, we evaluated the anti tumor activity of MET re-targeted CAR T-cells against mesothelioma. Using immunohistochemistry, MET was detected in 67% of malignant pleural mesotheliomas, most frequently of epithelioid or biphasic subtype. The presence of MET did not influence patient survival. Candidate MET-specific CARs were engineered in which a CD28+CD3zeta endodomain was fused to one of 3 peptides derived from the N and K1 domains of hepatocyte growth factor (HGF), which represents the minimum MET binding element present in this growth factor. Using an NIH3T3-based artificial antigen-presenting cell system, we found that all 3 candidate CARs demonstrated high specificity for MET. By contrast, these CARs did not mediate T-cell activation upon engagement of other HGF binding partners, namely CD44v6 or heparan sulfate proteoglycans, including Syndecan-1. NK1-targeted CARs demonstrated broadly similar in vitro potency, indicated by destruction of MET expressing mesothelioma cell lines, accompanied by cytokine release. In vivo anti tumor activity was demonstrated following intraperitoneal delivery to mice with an established mesothelioma xenograft. Progressive tumor regression occurred without weight loss or other clinical indicators of toxicity. These data confirm the frequent expression of MET in malignant pleural mesothelioma and demonstrate that this can be targeted effectively and safely using a CAR T-cell immunotherapeutic strategy. PMID- 29209571 TI - Complete regression of cutaneous metastases with systemic immune response in a patient with triple negative breast cancer receiving p53MVA vaccine with pembrolizumab. AB - A heavily pretreated patient with triple negative breast cancer distinguished by cutaneous metastases received p53MVA vaccine in combination with pembrolizumab. Her cutaneous metastases regressed and after 2 cycles of therapy, a skin biopsy showed a complete pathological response. Systemic response was confirmed with restaging CT and bone scans. Activation of p53-specific T cell responses and elevation of multiple immune response genes in peripheral blood correlated with the rapid clinical response which lasted for 6 months after the initiation of combined therapy. PMID- 29209574 TI - CARs on a highway with roadblocks. PMID- 29209572 TI - Trial Watch: Immunostimulatory monoclonal antibodies for oncological indications. AB - The goal of cancer immunotherapy is to establish new or boost pre-existing anticancer immune responses that eradicate malignant cells while generating immunological memory to prevent disease relapse. Over the past few years, immunomodulatory monoclonal antibodies (mAbs) that block co-inhibitory receptors on immune effectors cells - such as cytotoxic T lymphocyte-associated protein 4 (CTLA4), programmed cell death 1 (PDCD1, best known as PD-1) - or their ligands - such as CD274 (best known as PD-L1) - have proven very successful in this sense. As a consequence, many of such immune checkpoint blockers (ICBs) have already entered the clinical practice for various oncological indications. Considerable attention is currently being attracted by a second group of immunomodulatory mAbs, which are conceived to activate co-stimulatory receptors on immune effector cells. Here, we discuss the mechanisms of action of these immunostimulatory mAbs and summarize recent progress in their preclinical and clinical development. PMID- 29209576 TI - PlantCV v2: Image analysis software for high-throughput plant phenotyping. AB - Systems for collecting image data in conjunction with computer vision techniques are a powerful tool for increasing the temporal resolution at which plant phenotypes can be measured non-destructively. Computational tools that are flexible and extendable are needed to address the diversity of plant phenotyping problems. We previously described the Plant Computer Vision (PlantCV) software package, which is an image processing toolkit for plant phenotyping analysis. The goal of the PlantCV project is to develop a set of modular, reusable, and repurposable tools for plant image analysis that are open-source and community developed. Here we present the details and rationale for major developments in the second major release of PlantCV. In addition to overall improvements in the organization of the PlantCV project, new functionality includes a set of new image processing and normalization tools, support for analyzing images that include multiple plants, leaf segmentation, landmark identification tools for morphometrics, and modules for machine learning. PMID- 29209577 TI - New anatomical information of the wukongopterid Kunpengopterus sinensis Wang et al., 2010 based on a new specimen. AB - The Wukongopteridae compose a non-pterodactyloid clade of pterosaurs that are the most abundant flying reptiles in the deposits of the Middle-Late Jurassic Yanliao Biota. Until now, five species of three genera and two additional unnamed specimens have been described. Here we report on a new material, IVPP V 23674, that can be referred to the wukongopterid Kunpengopterus sinensis due to several features such as a comparably short nasoantorbital fenestra, the dorsally rising posterodorsal margin of the ischium, and the very short first pedal phalanx of digit V relative to metatarsal IV. IVPP V 23674 provides the first view of a wukongopterid palate, which differs from all other pterosaurs by having a very large postpalatine fenestra and laterally compressed choanae, indicating that the evolution of the pterosaur palate was more complex than previously thought. Sesamoid bones at the dorsal side of manual unguals are present and are reported for the first time in a wukongopterid suggesting an arboreal life-style for these pterosaurs. PMID- 29209578 TI - Effects of shinbuto and ninjinto on prostaglandin E2 production in lipopolysaccharide-treated human gingival fibroblasts. AB - Previously, we revealed that several kampo medicines used for patients with excess and/or medium patterns (kakkonto (TJ-1), shosaikoto (TJ-9), hangeshashinto (TJ-14), and orento (TJ-120)) reduced prostaglandin (PG)E2 levels using LPS treated human gingival fibroblasts (HGFs). Recently, we examined other kampo medicines used for patients with the deficiency pattern [bakumondoto (TJ-29), shinbuto (TJ-30), ninjinto (TJ-32), and hochuekkito (TJ-41)] and the herbs comprising shinbuto and ninjinto using the same experimental model. Shinbuto and ninjinto concentration-dependently reduced LPS-induced PGE2 production by HGFs, whereas hochuekkito weakly reduced and bakumondoto did not reduce PGE2 production. Shinbuto and ninjinto did not alter cyclooxygenase (COX) activity or the expression of molecules involved in the arachidonic acid cascade. Therefore, we next examined which herbs compromising shinbuto and ninjinto reduce LPS induced PGE2 production. Among these herbs, shokyo (Zingiberis Rhizoma) and kankyo (Zingiberis Processum Rhizoma) strongly and concentration-dependently decreased LPS-induced PGE2 production. However, both shokyo and kankyo increased the expression of cytosolic phospholipase (cPL)A2 but did not affect annexin1 or COX-2 expression. These results suggest that shokyo and kankyo suppress cPLA2 activity. We demonstrated that kampo medicines suppress inflammatory responses in patients with the deficiency pattern, and in those with excess or medium patterns. Moreover, kampo medicines that contain shokyo or kankyo are considered to be effective for the treatment of inflammatory diseases. PMID- 29209579 TI - Unanticipated discovery of two rare gastropod molluscs from recently located hydrothermally influenced areas in the Okinawa Trough. AB - Background: The deep-sea hydrothermal vent is one of the most 'extreme' environments in the marine realm. Few species are capable of inhabiting such ecosystems, despite extremely high productivity there supported by microbial chemosynthesis, leading to high biomass and low species richness. Although gastropod molluscs are one of the main constituents of megafaunal communities at vent ecosystems, most species belong to several typical families (e.g., Provannidae, Peltospiridae, Lepetodrilidae) specialised and adapted to life at vents. Methods: During recent surveys of Okinawa Trough hydrothermal vent systems, two snails atypical of vent ecosystems were unexpectedly found in newly discovered hydrothermally influenced areas. Shell and radular characteristics were used to identify the gastropods morphologically. Results: One species was a vetigastropod, the calliostomatid Tristichotrochus ikukoae (Sakurai, 1994); and the other was a caenogastropod, the muricid Abyssotrophon soyoae (Okutani, 1959). Both gastropods were previously only known from regular non-chemosynthetic deep sea and very rare-only two definitive published records exist for T. ikukoae and three for A. soyoae. The radula formula of Tristichotrochus ikukoae is accurately reported for the first time and based on that it is returned to genus Otukaia. For both species, barcode sequences of the cytochrome c oxidase I (COI) gene were obtained and deposited for future references. Discussion: These new records represent the second record of calliostomatids from vents (third from chemosynthetic ecosystems) and the third record of muricids from vents (tenth from chemosynthetic ecosystems), and extend the distribution of both species to the southwest. Neither family has been recorded at chemosynthetic ecosystems in the western Pacific. Both were from weakly diffuse flow areas not subject to high temperature venting but were nevertheless associated with typical vent-reliant taxa such as Lamellibrachia tubeworms and Bathymodiolus mussels. These new records show that these species are capable of tolerating environmental stress associated with weak hydrothermally influenced areas, despite not being vent endemic species, adding to the list of known vent/non-vent species intersections. This signifies that such weakly influenced areas may provide key habitats for them, and that such areas may play a role in the evolution of biological adaptations to 'extreme' chemosynthetic ecosystems. PMID- 29209580 TI - The pht4;1-3 mutant line contains a loss of function allele in the Fatty Acid Desaturase 7 gene caused by a remnant inactivated selection marker-a cautionary tale. AB - A striking and unexpected biochemical phenotype was found in an insertion mutant line in the model plant Arabidopsis thaliana. One of two investigated insertion mutant lines in the gene encoding the phosphate transporter PHT4;1 demonstrated a prominent loss of trienoic fatty acids, whereas the other insertion line was indistinguishable from wild type in this aspect. We demonstrate that the loss of trienoic fatty acids was due to a remnant inactive negative selection marker gene in this particular transposon tagged line, pht4;1-3. This constitutes a cautionary tale that warns of the importance to confirm the loss of this type of selection markers and the importance of verifying the relationship between a phenotype and genotype by more than one independent mutant line or alternatively genetic complementation. PMID- 29209573 TI - Trial watch: Immunogenic cell death induction by anticancer chemotherapeutics. AB - The expression "immunogenic cell death" (ICD) refers to a functionally unique form of cell death that facilitates (instead of suppressing) a T cell-dependent immune response specific for dead cell-derived antigens. ICD critically relies on the activation of adaptive responses in dying cells, culminating with the exposure or secretion of immunostimulatory molecules commonly referred to as "damage-associated molecular patterns". Only a few agents can elicit bona fide ICD, including some clinically established chemotherapeutics such as doxorubicin, epirubicin, idarubicin, mitoxantrone, bleomycin, bortezomib, cyclophosphamide and oxaliplatin. In this Trial Watch, we discuss recent progress on the development of ICD-inducing chemotherapeutic regimens, focusing on studies that evaluate clinical efficacy in conjunction with immunological biomarkers. PMID- 29209575 TI - Trial watch: DNA-based vaccines for oncological indications. AB - DNA-based vaccination is a promising approach to cancer immunotherapy. DNA-based vaccines specific for tumor-associated antigens (TAAs) are indeed relatively simple to produce, cost-efficient and well tolerated. However, the clinical efficacy of DNA-based vaccines for cancer therapy is considerably limited by central and peripheral tolerance. During the past decade, considerable efforts have been devoted to the development and characterization of novel DNA-based vaccines that would circumvent this obstacle. In this setting, particular attention has been dedicated to the route of administration, expression of modified TAAs, co-expression of immunostimulatory molecules, and co-delivery of immune checkpoint blockers. Here, we review preclinical and clinical progress on DNA-based vaccines for cancer therapy. PMID- 29209581 TI - Methylenetetrahydrofolate Reductase A1298C Polymorphism and Major Depressive Disorder. AB - Major depressive disorder (MDD) is a disorder that carries significant psychosocial and economic implications. Research efforts have focused on identifying biomarkers that can aid in the prediction, diagnosis, and efficacious treatment of MDD. Most of this focus has been placed on a polymorphism of the methylenetetrahydrofolate reductase (MTHFR) gene, C677T. MTHFR C677T is screened during MDD diagnosis in many protocols. However, MTHFR C667T poses conflicting data in various ethnic groups and geographic populations calling into question its utility. Another polymorphism, MTHFR A1298C, has often taken the back-seat to MTHFR C677T in respect to research focus. MTHFR A1298C is implicated in irregular homocysteine metabolism and aberrant folate cycles and, through this, it may play a role as either a driver in the development of MDD or as a predictive or diagnostic marker, possibly in combination with C677T. The number of studies evaluating MTHFR A1298C and the power of those studies is lacking and thus larger studies are required to confirm the association between this polymorphism and MDD. PMID- 29209582 TI - White Matter Tracts in Patients with Temporal Lobe Epilepsy: Pre- and Postoperative Assessment. AB - Patients with intractable temporal lobe epilepsy (TLE) undergo surgical resection of the anterior temporal lobe. Preoperative assessment of TLE patients involves a multidisciplinary assessment and may involve the use of invasive electroencephalogram (EEG) recording for lateralization of seizure focus in ambiguous cases. Understanding the white matter fibre tracts affected in TLE may assist in preoperative lateralization and planning. We studied pre- and postoperative white matter fibre tract changes in six patients with TLE who underwent surgical resection. Our results indicate that changes in the corpus callosum are highly specific, with the ability to lateralize the epileptogenic side in 100% of our patients (six of six). Contralateral changes were found in all patients with variable involvement of white matter tracts. Postoperatively, most patients (five of six) exhibited further changes to the tracts on the ipsilateral side, with three patients showing contralateral abnormalities. We provide a detailed assessment of pre- and postoperative white matter fibre tracts in patients with TLE and confirm that abnormalities in the ipsilateral corpus callosum may aid in preoperative lateralization and obviate the need for invasive EEG monitoring. PMID- 29209583 TI - What Makes the Optimal Wound Healing Material? A Review of Current Science and Introduction of a Synthetic Nanofabricated Wound Care Scaffold. AB - Wound matrix materials are used to improve the regeneration of dermal and epidermal layers in both acute and chronic wounds. Contemporary wound matrices are primarily composed of biologic materials such as processed xenogeneic and allogeneic tissues. Unfortunately, existing biologic wound matrices possess multiple limitations including poor longevity, durability, strength, and enzymatic resistance required for persistent support for new tissue formation. A fully-synthetic, resorbable electrospun material (Restrata Wound Matrix, Acera, St.Louis, Missouri ) that exhibits structural similarities to the native extracellular matrix offers a new approach to the treatment of acute and chronic wounds. This novel matrix is the first product to combine the advantages of synthetic construction (e.g. resistance to enzymatic degradation, excellent biocompatibility, strength/durability and controlled degradation) with the positive attributes of biologic materials (e.g. biomimetic architecture similar to human extracellular matrix (ECM), fibrous architecture optimized to support cellular migration and proliferation, engineered porosity to encourage tissue ingrowth and vascularization). These features allow RWM to achieve rapid and complete healing of full-thickness wounds that, in preclinical studies, is comparable to Integra Bilayer Wound Matrix (Integra LifeSciences, Plainsboro, New Jersey), a gold standard biologic material with diverse clinical indications in the wound care. Together, this review suggests that the RWM offers a unique fully synthetic alternative to existing biologic matrices that is effective, widely available, easy to store, simple to apply and low cost. PMID- 29209584 TI - Sudden Death from Spontaneous Coronary Artery Dissection due to Polyarteritis Nodosa. AB - Spontaneous coronary artery dissection (SCAD) is an emerging and rare cause of acute coronary syndrome and sudden cardiac death. While it was previously reported among young females with fibromuscular dysplasia, new literature indicates that this condition could occur in older populations. Polyarteritis nodosa (PAN) causes systemic necrotizing vasculitis which typically affects small to medium-sized muscular arteries and could affect the coronary arteries. A few case reports of PAN causing acute coronary artery disease have been reported in the literature. We report a case of a 62-year-old lady who presented with abdominal pain and died abruptly during her stay; she was found to have PAN associated SCAD on autopsy. PMID- 29209585 TI - Video Microscope Robotic Arm-Assisted, Neuronavigation-guided Glioma Resection and Regional Sampling. AB - High-grade gliomas possess internal pathological heterogeneity. Selective sampling of different tumor regions can help in the study of this heterogeneity. In this report, we have described the use of a novel navigation and optical system for the selective regional sampling of a high-grade glioma lesion. A 45 year-old gentleman presented to us with complaints of intermittent frontal headaches for past eight months. On examination, he had subtle pyramidal weakness in left upper and lower extremities. Magnetic resonance imaging (MRI) showed a large contrast-enhancing, space-occupying lesion in the right frontal lobe causing perilesional edema and midline shift. We marked four different regions on the preoperative MRI using apparent diffusion coefficient (ADC) mapping and contrast enhancement pattern in four different combinations using presurgical planning software (BrightMatterTM Plan) (Synaptive Medical, Inc., Toronto, Canada). These pre-identified areas were exported into BrightMatterTM Servo (Synaptive Medical, Toronto, Canada), an integrated robotic video microscope with a neuronavigation system where these areas were selectively sampled and sent for analysis. The BrightMatterTM Servo not only helped us to the target areas but also helped to identify a safe trajectory, respecting white matter tracts. Histopathology showed a neoplastic lesion composed of mononuclear round cells with the perinuclear halo in a fibrillary stroma with admixed mini-gemistocytes consistent with the diagnosis of a Grade 3 anaplastic astrocytoma. A selective regional sampling of the gliomas can be reliably performed using BrightMatterTM technologies to study the pathological heterogeneity of these lesions. PMID- 29209586 TI - Diffusion-tensor Imaging and Tractography Application in Pre-operative Planning of Intra-axial Brain Lesions. AB - Gliomas are the most common brain tumors that diffusely infiltrate the surrounding white matter (WM) tracts. Conventional MRI is commonly used for tumor localization and characterization. However, this does not give precise information about the WM infiltration surrounding the tumor. Diffusion-tensor imaging (DTI) is a non-invasive magnetic resonance (MR) technique that measures WM tissue integrity and tractography (fiber tracking) used to investigate the preferential directionality of diffusion. DTI allows visualization of WM tracts in the immediate vicinity of brain tumors that permit maximum tumor resection while also preserving the eloquent brain areas. The relation of tumors with the white matter tracts (deviation, infiltration, and disruption) has been one the most important initial applications of DTI. The fibers can be infiltrated in normal-appearing areas, and abnormal-appearing areas of the brain can show anatomically intact fibers. In the surgical planning of brain tumors, surgery is aided by knowing the proximity and relative position of the tumor to the adjacent WM tracts. The aim of the present study is to assess the role of DT tractography (DTT) in preoperative mapping of major WM tracts in relation to brain tumors. PMID- 29209587 TI - Effect of Treating Depressive Disorders on Mortality of Cancer Patients. AB - Depression can have debilitating effects on patients with a chronic morbid disease, in particular, cancer. It has been found that patients with a depressive disorder have a poorer prognosis and increased mortality. There is a debate as to whether the treatment of the depressive disorder is beneficial to these patients. Studies demonstrate varying results with pharmacotherapy and behavioral therapy. All cancer patients should be periodically assessed for depressive disorder and the symptoms not dismissed as part of their cancer presentation due to the increased mortality. PMID- 29209588 TI - Efficient genetic transformation of Momordica charantia L. by microprojectile bombardment. AB - Here, we report the optimized conditions for biolistic particle delivery-mediated genetic transformation of bitter melon using petiole segments. In this study, DNA coated gold particles of 0.6 um were used for optimizing the parameters of transformation and eventually regeneration of bitter melon putative transgenics. Initially, biolistic parameters namely helium pressure and macrocarrier to target tissue distance, were optimized using binary vector pBI121 carrying both beta glucuronidase gene (GUS) and neomycin phosphotransferase II gene (npt II) as a reporter and as a selectable marker gene, respectively. The effect of optimized physical parameters on the frequency of transient (79.2 +/- 1.52%) and stable (41.9%) expressions has been investigated. The optimized biolistic parameters for petiole segments of Momordica charantia L. were determined as follows: 650 psi helium pressure and 6 cm target distance. Using the optimized parameters, transformation of bitter melon was carried out for generation of putative transformants from bombarded tissues on SRM-K medium, with a mean number of 50.3 explants surviving at the end of the final selection (50 mg l-1 kanamycin) round. Finally, the transformants produced were subjected to GUS histochemical assay, and integration of the transgenes (GUS and npt II) into the nuclear genome was confirmed by PCR analysis. DNA blot analysis confirmed the transgene integration in the transformed plantlet genomes. The present study may be used for developing transplastomic technology in this valuable medicinal plant for enhanced metabolic engineering pathways and production of biopharmaceuticals. PMID- 29209591 TI - Commentary: Molecular Machines Open Cell Membranes. PMID- 29209590 TI - Risk factors for community-acquired pneumonia among adults in Kenya: a case control study. AB - Background: Pneumonia is a leading cause of morbidity and mortality among adults worldwide; however, the risk factors for community-acquired pneumonia in Africa are not well characterized. Methods: The authors recruited 281 cases of community acquired pneumonia and 1202 hospital controls among patients aged >=15 years who attended Kilifi District Hospital/Coast Provincial General Hospital in Kenya between 1994 and 6. Cases were admissions with an acute illness with >=2 respiratory signs and evidence of consolidation on a chest radiograph. Controls were patients without signs of pneumonia, frequency matched by age, sex and hospital. Risk factors related to socio-demographic factors, drug use, clinical history, contact patterns and exposures to indoor air pollution were investigated by questionnaire, anthropometric measurements and laboratory assays. Associations were evaluated using a hierarchical logistic regression model. Results: Pneumonia was associated with human immunodeficiency virus (HIV) infection (Odds Ratio [OR] 2.06, 95% CI 1.44-3.08), anemia (OR 1.91, 1.31-2.74), splenomegaly (OR 2.04, 95% CI 1.14-3.41), recent history of pneumonia (OR 4.65, 95% CI 1.66-12.5), history of pneumonia >2 years previously (OR 17.13, 95% CI 5.01-60.26), coryza in the 2 weeks preceding hospitalization (OR 2.09, 95% CI 1.44-3.03), current smoking (2.19, 95% CI 1.39-3.70), use of khat (OR 3.44, 95% CI 1.72-7.15), use of snuff (OR 2.67, 95% CI 1.35-5.49) and contact with several animal species. Presence of a Bacillus Calmette-Guerin (BCG) scar was associated with protection (OR 0.51, 95% CI 0.32-0.82). The risk factors varied significantly by sex. Conclusion: Pneumonia in Kenyan adults was associated with global risk factors, such as HIV and smoking, but also with specific local factors like drug use and contact with animals. Intervention strategies should account for sex-specific differences in risk factors. PMID- 29209592 TI - Increased Expression of a MicroRNA Correlates with Anthelmintic Resistance in Parasitic Nematodes. AB - Resistance to anthelmintic drugs is a major problem in the global fight against parasitic nematodes infecting humans and animals. While previous studies have identified mutations in drug target genes in resistant parasites, changes in the expression levels of both targets and transporters have also been reported. The mechanisms underlying these changes in gene expression are unresolved. Here, we take a novel approach to this problem by investigating the role of small regulatory RNAs in drug resistant strains of the important parasite Haemonchus contortus. microRNAs (miRNAs) are small (22 nt) non-coding RNAs that regulate gene expression by binding predominantly to the 3' UTR of mRNAs. Changes in miRNA expression have been implicated in drug resistance in a variety of tumor cells. In this study, we focused on two geographically distinct ivermectin resistant strains of H. contortus and two lines generated by multiple rounds of backcrossing between susceptible and resistant parents, with ivermectin selection. All four resistant strains showed significantly increased expression of a single miRNA, hco-miR-9551, compared to the susceptible strain. This same miRNA is also upregulated in a multi-drug-resistant strain of the related nematode Teladorsagia circumcincta. hco-miR-9551 is enriched in female worms, is likely to be located on the X chromosome and is restricted to clade V parasitic nematodes. Genes containing predicted binding sites for hco-miR-9551 were identified computationally and refined based on differential expression in a transcriptomic dataset prepared from the same drug resistant and susceptible strains. This analysis identified three putative target mRNAs, one of which, a CHAC domain containing protein, is located in a region of the H. contortus genome introgressed from the resistant parent. hco-miR-9551 was shown to interact with the 3' UTR of this gene by dual luciferase assay. This study is the first to suggest a role for miRNAs and the genes they regulate in drug resistant parasitic nematodes. miR-9551 also has potential as a biomarker of resistance in different nematode species. PMID- 29209594 TI - Genome-Wide Search for Competing Endogenous RNAs Responsible for the Effects Induced by Ebola Virus Replication and Transcription Using a trVLP System. AB - Understanding how infected cells respond to Ebola virus (EBOV) and how this response changes during the process of viral replication and transcription are very important for establishing effective antiviral strategies. In this study, we conducted a genome-wide screen to identify long non-coding RNAs (lncRNAs), circular RNAs (circRNAs), micro RNAs (miRNAs), and mRNAs differentially expressed during replication and transcription using a tetracistronic transcription and replication-competent virus-like particle (trVLP) system that models the life cycle of EBOV in 293T cells. To characterize the expression patterns of these differentially expressed RNAs, we performed a series cluster analysis, and up- or down-regulated genes were selected to establish a gene co-expression network. Competing endogenous RNA (ceRNA) networks based on the RNAs responsible for the effects induced by EBOV replication and transcription in human cells, including circRNAs, lncRNAs, miRNAs, and mRNAs, were constructed for the first time. Based on these networks, the interaction details of circRNA-chr19 were explored. Our results demonstrated that circRNA-chr19 targeting miR-30b-3p regulated CLDN18 expression by functioning as a ceRNA. These findings may have important implications for further studies of the mechanisms of EBOV replication and transcription. These RNAs potentially have important functions and may be promising targets for EBOV therapy. PMID- 29209593 TI - Analysis of the Salivary Gland Transcriptome of Unfed and Partially Fed Amblyomma sculptum Ticks and Descriptive Proteome of the Saliva. AB - Ticks are obligate blood feeding ectoparasites that transmit a wide variety of pathogenic microorganisms to their vertebrate hosts. Amblyomma sculptum is vector of Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever (RMSF), the most lethal rickettsiosis that affects humans. It is known that the transmission of pathogens by ticks is mainly associated with the physiology of the feeding process. Pathogens that are acquired with the blood meal must first colonize the tick gut and later the salivary glands (SG) in order to be transmitted during a subsequent blood feeding via saliva. Tick saliva contains a complex mixture of bioactive molecules with anticlotting, antiplatelet aggregation, vasodilatory, anti-inflammatory, and immunomodulatory properties to counteract both the hemostasis and defense mechanisms of the host. Besides facilitating tick feeding, the properties of saliva may also benefits survival and establishment of pathogens in the host. In the current study, we compared the sialotranscriptome of unfed A. sculptum ticks and those fed for 72 h on rabbits using next generation RNA sequencing (RNA-seq). The total of reads obtained were assembled in 9,560 coding sequences (CDSs) distributed in different functional classes. CDSs encoding secreted proteins, including lipocalins, mucins, protease inhibitors, glycine-rich proteins, metalloproteases, 8.9 kDa superfamily members, and immunity-related proteins were mostly upregulated by blood feeding. Selected CDSs were analyzed by real-time quantitative polymerase chain reaction preceded by reverse transcription (RT-qPCR), corroborating the transcriptional profile obtained by RNA-seq. Finally, high-performance liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) analysis revealed 124 proteins in saliva of ticks fed for 96-120 h. The corresponding CDSs of 59 of these proteins were upregulated in SG of fed ticks. To the best of our knowledge, this is the first report on the proteome of A. sculptum saliva. The functional characterization of the identified proteins might reveal potential targets to develop vaccines for tick control and/or blocking of R. rickettsii transmission as well as pharmacological bioproducts with antihemostatic, anti-inflammatory and antibacterial activities. PMID- 29209596 TI - AFLP reveals low genetic diversity of the bryozoan Pectinatella magnifica (Leidy, 1851) in the Czech Republic. AB - Background: Non-native species have aroused scientific interest because of their ability to successfully colonise areas to which they have been introduced, despite their sometimes limited genetic variation compared to their native range. These species establish themselves with the aid of some pre-existing features favouring them in the new environment. Pectinatella magnifica (Leidy, 1851), the freshwater magnificent bryozoan, is non-native in Europe and Asia. This study was designed to determine the genetic diversity and population structure of P. magnifica colonies collected from the Protected Landscape Area (PLA) and UNESCO Biosphere Reserve Trebonsko (the Czech Republic) in the 2009 and 2011-2014 periods using Amplified Fragment Length Polymorphism (AFLP). Findings: The vast majority of the examined non-native colonies, except three colonies sampled in 2012, expressed very low levels of genetic variation, not differentiating from the USA native colony. The Bayesian clustering approach grouped the 28 accessions into two genetically different populations. Conclusions: The data suggest relatively low gene diversity within all colonies, which might reflect the recent expansion of P. magnifica in the Czech Republic. PMID- 29209595 TI - Antimicrobial Resistance of Hypervirulent Klebsiella pneumoniae: Epidemiology, Hypervirulence-Associated Determinants, and Resistance Mechanisms. AB - Klebsiella pneumoniae is one of the most clinically relevant species in immunocompromised individuals responsible for community-acquired and nosocomial infections, including pneumonias, urinary tract infections, bacteremias, and liver abscesses. Since the mid-1980s, hypervirulent K. pneumoniae, generally associated with the hypermucoviscosity phenotype, has emerged as a clinically significant pathogen responsible for serious disseminated infections, such as pyogenic liver abscesses, osteomyelitis, and endophthalmitis, in a generally younger and healthier population. Hypervirulent K. pneumoniae infections were primarily found in East Asia and now are increasingly being reported worldwide. Although most hypervirulent K. pneumoniae isolates are antibiotic-susceptible, some isolates with combined virulence and resistance, such as the carbapenem resistant hypervirulent K. pneumoniae isolates, are increasingly being detected. The combination of multidrug resistance and enhanced virulence has the potential to cause the next clinical crisis. To better understand the basic biology of hypervirulent K. pneumoniae, this review will provide a summarization and discussion focused on epidemiology, hypervirulence-associated factors, and antibiotic resistance mechanisms of such hypervirulent strains. Epidemiological analysis of recent clinical isolates in China warns the global dissemination of hypervirulent K. pneumoniae strains with extensive antibiotic resistance in the near future. Therefore, an immediate response to recognize the global dissemination of this hypervirulent strain with resistance determinants is an urgent priority. PMID- 29209598 TI - Inflammatory Mediators in Tracheal Aspirates of Preterm Infants Participating in a Randomized Trial of Permissive Hypercapnia. AB - Background: Ventilator-induced lung injury is considered to be a main factor in the pathogenesis of bronchopulmonary dysplasia (BPD). Optimizing ventilator strategies may reduce respiratory morbidities in preterm infants. Permissive hypercapnia has been suggested to attenuate lung injury. We aimed to determine if a higher PCO2 target range results in less lung injury compared to the control target range and possibly reduces pro-inflammatory cytokines and acid sphingomyelinase (ASM) in tracheal aspirates (TA), which has not been addressed before. Methods: During a multicenter trial of permissive hypercapnia in extremely low birthweight infants (PHELBI), preterm infants (birthweight 400 1,000 g, gestational age 23 0/7-28 6/7 weeks) requiring mechanical ventilation within 24 h of birth were randomly assigned to a high PCO2 target or a control group. The high target group aimed at PCO2 values of 55-65, 60-70, and 65-75 mmHg and the control group at PCO2 values of 40-50, 45-55 and 50-60 mmHg on postnatal days 1-3, 4-6, and 7-14, respectively. TA was analyzed for pro-inflammatory cytokines from postnatal day 2-21. BPD was determined at a postmenstrual age of 36 weeks +/- 2 days. Main findings: Levels of inflammatory cytokines and ASM were similar in both groups: interleukin (IL)-6 (p = 0.14), IL-8 (p = 0.43), IL-10 (p = 0.24), IL-1beta (p = 0.11), macrophage inflammatory protein 1alpha (p = 0.44), albumin (p = 0.41), neuropeptide Y (p = 0.52), leukotriene B4 (p = 0.11), transforming growth factor-beta1 (p = 0.68), nitrite (p = 0.15), and ASM (p = 0.94). Furthermore, most inflammatory mediators were strongly affected by the age of the infants and increased from postnatal day 2 to 21. BPD or death was observed in 14 out of 62 infants, who were distributed evenly between both groups. Conclusion: The results suggest that high PCO2 target levels did not result in lower pulmonary inflammatory activity and thus reflect clinical results. This indicates that high PCO2 target ranges are not effective in reducing ventilator-induced lung injury in preterm infants, as compared to control targets. Trial registration: ISRCTN56143743. PMID- 29209597 TI - Meckel-Gruber Syndrome: An Update on Diagnosis, Clinical Management, and Research Advances. AB - Meckel-Gruber syndrome (MKS) is a lethal autosomal recessive congenital anomaly syndrome caused by mutations in genes encoding proteins that are structural or functional components of the primary cilium. Conditions that are caused by mutations in ciliary genes are collectively termed the ciliopathies, and MKS represents the most severe condition in this group of disorders. The primary cilium is a microtubule-based organelle, projecting from the apical surface of vertebrate cells. It acts as an "antenna" that receives and transduces chemosensory and mechanosensory signals, but also regulates diverse signaling pathways, such as Wnt and Shh, that have important roles during embryonic development. Most MKS proteins localize to a distinct ciliary compartment called the transition zone (TZ) that regulates the trafficking of cargo proteins or lipids. In this review, we provide an up-to-date summary of MKS clinical features, molecular genetics, and clinical diagnosis. MKS has a highly variable phenotype, extreme genetic heterogeneity, and displays allelism with other related ciliopathies such as Joubert syndrome, presenting significant challenges to diagnosis. Recent advances in genetic technology, with the widespread use of multi-gene panels for molecular testing, have significantly improved diagnosis, genetic counseling, and the clinical management of MKS families. These include the description of some limited genotype-phenotype correlations. We discuss recent insights into the molecular basis of disease in MKS, since the functions of some of the relevant ciliary proteins have now been determined. A common molecular etiology appears to be disruption of ciliary TZ structure and function, affecting essential developmental signaling and the regulation of secondary messengers. PMID- 29209599 TI - Static and Dynamic Ultrasound Imaging to Visualize the Bladder, Bladder Neck, Urethra, and Pelvic Floor in Children with Daytime Incontinence. PMID- 29209601 TI - Information Quality Challenges of Patient-Generated Data in Clinical Practice. AB - A characteristic trend of digital health has been the dramatic increase in patient-generated data being presented to clinicians, which follows from the increased ubiquity of self-tracking practices by individuals, driven, in turn, by the proliferation of self-tracking tools and technologies. Such tools not only make self-tracking easier but also potentially more reliable by automating data collection, curation, and storage. While self-tracking practices themselves have been studied extensively in human-computer interaction literature, little work has yet looked at whether these patient-generated data might be able to support clinical processes, such as providing evidence for diagnoses, treatment monitoring, or postprocedure recovery, and how we can define information quality with respect to self-tracked data. In this article, we present the results of a literature review of empirical studies of self-tracking tools, in which we identify how clinicians perceive quality of information from such tools. In the studies, clinicians perceive several characteristics of information quality relating to accuracy and reliability, completeness, context, patient motivation, and representation. We discuss the issues these present in admitting self-tracked data as evidence for clinical decisions. PMID- 29209600 TI - Targeting FLT3 Signaling in Childhood Acute Myeloid Leukemia. AB - Acute myeloid leukemia (AML) is the second most common leukemia of childhood and is associated with high rates of chemotherapy resistance and relapse. Clinical outcomes for children with AML treated with maximally intensive multi-agent chemotherapy lag far behind those of children with the more common acute lymphoblastic leukemia, demonstrating continued need for new therapeutic approaches to decrease relapse risk and improve long-term survival. Mutations in the FMS-like tyrosine kinase-3 receptor gene (FLT3) occur in approximately 25% of children and adults with AML and are associated with particularly poor prognoses. Identification and development of targeted FLT3 inhibitors represents a major precision medicine paradigm shift in the treatment of patients with AML. While further development of many first-generation FLT3 inhibitors was hampered by limited potency and significant toxicity due to effects upon other kinases, the more selective second- and third-generation FLT3 inhibitors have demonstrated excellent tolerability and remarkable efficacy in the relapsed/refractory and now de novo FLT3-mutated AML settings. While these newest and most promising inhibitors have largely been studied in the adult population, pediatric investigation of FLT3 inhibitors with chemotherapy is relatively recently ongoing or planned. Successful development of FLT3 inhibitor-based therapies will be essential to improve outcomes in children with this high-risk subtype of AML. PMID- 29209602 TI - Economic Evaluation and Budget Impact Analysis of Vaccination against Haemophilus influenzae Type b Infection in Thailand. AB - Current study aimed to estimate clinical and economic outcomes of providing the Haemophilus influenzae type b (Hib) vaccination as a national vaccine immunization program in Thailand. A decision tree combined with Markov model was developed to simulate relevant costs and health outcomes covering lifetime horizon in societal and health care payer perspectives. This analysis considered children aged under 5 years old whom preventive vaccine of Hib infection are indicated. Two combined Hib vaccination schedules were considered: three-dose series (3 + 0) and three-dose series plus a booster does (3 + 1) compared with no vaccination. Budget impact analysis was also performed under Thai government perspective. The outcomes were reported as Hib-infected cases averted and incremental cost-effectiveness ratios (ICERs) in 2014 Thai baht (THB) ($) per quality-adjusted life year (QALY) gained. In base-case scenario, the model estimates that 3,960 infected cases, 59 disability cases, and 97 deaths can be prevented by national Hib vaccination program. The ICER for 3 + 0 schedule was THB 1,099 ($34) per QALY gained under societal perspective. The model was sensitive to pneumonia incidence among aged under 5 years old and direct non medical care cost per episode of Hib pneumonia. Hib vaccination is very cost effective in the Thai context. The budget impact analysis showed that Thai government needed to invest an additional budget of 110 ($3.4) million to implement Hib vaccination program. Policy makers should consider our findings for adopting this vaccine into national immunization program. PMID- 29209603 TI - Sensitivity, Specificity, and Predictive Values: Foundations, Pliabilities, and Pitfalls in Research and Practice. AB - Within the context of screening tests, it is important to avoid misconceptions about sensitivity, specificity, and predictive values. In this article, therefore, foundations are first established concerning these metrics along with the first of several aspects of pliability that should be recognized in relation to those metrics. Clarification is then provided about the definitions of sensitivity, specificity, and predictive values and why researchers and clinicians can misunderstand and misrepresent them. Arguments are made that sensitivity and specificity should usually be applied only in the context of describing a screening test's attributes relative to a reference standard; that predictive values are more appropriate and informative in actual screening contexts, but that sensitivity and specificity can be used for screening decisions about individual people if they are extremely high; that predictive values need not always be high and might be used to advantage by adjusting the sensitivity and specificity of screening tests; that, in screening contexts, researchers should provide information about all four metrics and how they were derived; and that, where necessary, consumers of health research should have the skills to interpret those metrics effectively for maximum benefit to clients and the healthcare system. PMID- 29209604 TI - Development of All India Institute of Medical Sciences-Modified International Clinical Epidemiology Network Diagnostic Instrument for Neuromotor Impairments in Children Aged 1 Month to 18 Years. AB - Introduction: There is shortage of specialists for the diagnosis of children with neuromotor impairments (NMIs), especially in resource limited settings. Existing International Clinical Epidemiology Network (INCLEN) instrument for diagnosing NMI have been validated for children aged 2-9 years. The current study modified the same including wider symptomatology and age group (1 month to 18 years). Methods: The Modified INCLEN diagnostic tool (INDT) was developed by a team of experts by modifying the existing tool to widen the age range (1 month to 18 years) and include broader symptomatology (inclusion of milestones from the first 2 years of life and better elucidation of cerebellar and extrapyramidal features) in a tertiary care teaching hospital of North India between January and April 2015. A trained medical graduate applied the candidate tool, which was followed by gold standard evaluation by a Pediatric Neurologist (both blinded to each other). Results: A total of 197 children (102 with NMI and 95 without NMI) were enrolled for the study. The sensitivity, specificity, positive and negative predictive values, positive and negative likelihood ratio of the modified NMI tool were 90.4% (82.6-95.5), 95.5% (88.7-98.7), 95.5% (88.9-98.7), 90.3% (82.4 95.5), 19.9 (12.1-32.6), and 0.13 (0.08-0.12), respectively. Conclusion: The All India Institute of Medical Sciences modified INDT NMI tool is a simple and structured instrument covering a wider symptomatology in the 1 month to 18 years age group with acceptable diagnostic accuracy. PMID- 29209605 TI - The Effect of Cigarette Smoking during Pregnancy on Endocrine Pancreatic Function and Fetal Growth: A Pilot Study. AB - Introduction: Cigarette smoking in pregnancy is a common cause of fetal growth restriction. We aimed to investigate endocrine pancreatic function of mother infant dyads in relation to cigarette smoking, as a possible mechanism for the poor fetal growth. Methods: Prospective study of smoking mothers (10 cigarettes or more per day, self-reported to the midwife) and non-smoker control mothers during their first pregnancy. Insulin, glucose, C-peptide, HbA1C, fructosamine, prolactin, serotonin, and cortisol were measured in maternal blood at 24-26 weeks and in umbilical cord blood at birth. Cotinine was also measured in cord blood. Results: Of 37 smokers and 36 non-smokers recruited, cord blood was obtainable from 38 babies (19 in each group). In utero cigarette exposure was associated with lower birthweight (3,035 +/- 490 versus 3,405 +/- 598 g, p = 0.005), with linear modeling of the smoking cohort showing a 41 g reduction for every increase of one cigarette smoked per day (95% CI -71 to -11 g, p = 0.010). There were no differences between groups in indices of maternal or perinatal endocrine pancreatic dysfunction. Heavier smoking independently correlated with higher maternal fasting levels of glucose (p = 0.044) and C-peptide (p = 0.011). We did not observe any significant associations between the daily number of cigarettes and any of the cord blood parameters. We also looked for differences between cohorts based on infant gender. Serotonin levels were higher in smoking mothers with male fetuses (p = 0.01 to p = 0.004). Conclusion: Endocrine pancreatic dysfunction does not appear to be a major contributing factor to nicotine associated fetal growth restriction. The higher serotonin levels in smoking mothers carrying male infants is of uncertain significance but could be a manifestation of gender differences in susceptibility to the long-term effects of cigarette smoking. PMID- 29209606 TI - Carbon Domains on MoS2/TiO2 System via Catalytic Acetylene Oligomerization: Synthesis, Structure, and Surface Properties. AB - Carbon domains have been obtained at the surface of a MoS2/TiO2 (Evonik, P25) system via oligomerization and cyclotrimerization reactions involved in the interaction of the photoactive material with acetylene. Firstly, MoS2 nanosheets have been synthesized at the surface of TiO2, via sulfidation of a molybdenum oxide precursor with H2S (bottom-up method). Secondly, the morphology and the structure, the optical and the vibrational properties of the obtained materials, for each step of the synthesis procedure, have been investigated by microscopy and spectroscopy methods. In particular, transmission electron microscopy images provide a simple tool to highlight the effectiveness of the sulfidation process, thus showing 1L, 2L, and stacked MoS2 nanosheets anchored to the surface of TiO2 nanoparticles. Lastly, in-situ FTIR spectroscopy investigation gives insights into the nature of the oligomerized species, showing that the formation of both polyenic and aromatic systems can be taken into account, being their formation promoted by both Ti and Mo catalytic sites. This finding gives an opportunity for the assembly of extended polyenic, polyaromatic, or mixed domains firmly attached at the surface of photoactive materials. The presented approach, somehow different from the carbon adding or doping processes of TiO2, is of potential interest for the advanced green chemistry and energy conversion/transport applications. PMID- 29209608 TI - Synthesis of Zr2WP2O12/ZrO2 Composites with Adjustable Thermal Expansion. AB - Zr2WP2O12/ZrO2 composites were fabricated by solid state reaction with the goal of tailoring the thermal expansion coefficient. XRD, SEM and TMA were used to investigate the composition, microstructure, and thermal expansion behavior of Zr2WP2O12/ZrO2 composites with different mass ratio. Relative densities of all the resulting Zr2WP2O12/ZrO2 samples were also tested by Archimedes' methods. The obtained Zr2WP2O12/ZrO2 composites were comprised of orthorhombic Zr2WP2O12 and monoclinic ZrO2. As the increase of the Zr2WP2O12, the relative densities of Zr2WP2O12/ZrO2 ceramic composites increased gradually. The coefficient of thermal expansion of the Zr2WP2O12/ZrO2 composites can be tailored from 4.1 * 10-6 K-1 to -3.3 * 10-6 K-1 by changing the content of Zr2WP2O12. The 2:1 Zr2WP2O12/ZrO2 specimen shows close to zero thermal expansion from 25 to 700 degrees C with an average linear thermal expansion coefficient of -0.09 * 10-6 K-1. These adjustable and near zero expansion ceramic composites will have great potential application in many fields. PMID- 29209609 TI - Culture Medium Supplements Derived from Human Platelet and Plasma: Cell Commitment and Proliferation Support. AB - Present cell culture medium supplements, in most cases based on animal sera, are not fully satisfactory especially for the in vitro expansion of cells intended for human cell therapy. This paper refers to (i) an heparin-free human platelet lysate (PL) devoid of serum or plasma components (v-PL) and (ii) an heparin-free human serum derived from plasma devoid of PL components (Pl-s) and to their use as single components or in combination in primary or cell line cultures. Human mesenchymal stem cells (MSC) primary cultures were obtained from adipose tissue, bone marrow, and umbilical cord. Human chondrocytes were obtained from articular cartilage biopsies. In general, MSC expanded in the presence of Pl-s alone showed a low or no proliferation in comparison to cells grown with the combination of Pl s and v-PL. Confluent, growth-arrested cells, either human MSC or human articular chondrocytes, treated with v-PL resumed proliferation, whereas control cultures, not supplemented with v-PL, remained quiescent and did not proliferate. Interestingly, signal transduction pathways distinctive of proliferation were activated also in cells treated with v-PL in the absence of serum, when cell proliferation did not occur, indicating that v-PL could induce the cell re-entry in the cell cycle (cell commitment), but the presence of serum proteins was an absolute requirement for cell proliferation to happen. Indeed, Pl-s alone supported cell growth in constitutively activated cell lines (U-937, HeLa, HaCaT, and V-79) regardless of the co-presence of v-PL. Plasma- and plasma-derived serum were equally able to sustain cell proliferation although, for cells cultured in adhesion, the Pl-s was more efficient than the plasma from which it was derived. In conclusion, the cells expanded in the presence of the new additives maintained their differentiation potential and did not show alterations in their karyotype. PMID- 29209607 TI - A Perspective on Extracellular Vesicles Proteomics. AB - Increasing attention has been given to secreted extracellular vesicles (EVs) in the past decades, especially in the portrayal of their molecular cargo and role as messengers in both homeostasis and pathophysiological conditions. This review presents the state-of-the-art proteomic technologies to identify and quantify EVs proteins along with their PTMs, interacting partners and structural details. The rapid growth of mass spectrometry-based analytical strategies for protein sequencing, PTMs and structural characterization has improved the level of molecular details that can be achieved from limited amount of EVs isolated from different biological sources. Here we will provide a perspective view on the achievements and challenges on EVs proteome characterization using mass spectrometry. A detailed bioinformatics approach will help us to picture the molecular fingerprint of EVs and understand better their pathophysiological function. PMID- 29209610 TI - Perturbation of Wound Healing, Cytoskeletal Organization and Cellular Protein Networks during Hazara Virus Infection. AB - Normal epithelial and endothelial renewal and healing after bacterial and viral challenges are essential for homeostasis along the intestine and the blood and lymphatic vessels. We thus investigated whether and how virus affects migration of human epithelial cells and specifically how the nucleocapsid protein (N) modulates the cellular proteome and interactome using human Caco-2 cells in a wound-healing assay with Hazara virus as a model. Here, Hazara virus blocked cell migration in a dose- and time-dependent manner, disrupted the actin cytoskeleton and specifically reduced the expression of the IQ-motif-containing GTPase activating protein 1 (IQGAP1) and water channel aquaporin 6 (AQP6) that regulate cytoskeletal organization, water homeostasis and vesicle communication. Moreover, in the Caco-2 cell proteome, we identified several distinct groups of molecules associating with N upon Hazara virus infection, being involved in the ensemble of important cellular processes, e.g., chaperone activity, metabolism, cellular defense against infections, cell morphology, and migration. These events do not only facilitate the virus life cycle, but they are also crucial for membrane and cytoskeleton dynamics, cellular self-renewal and wound healing, being so essential for body integrity and homeostasis. PMID- 29209611 TI - Histological Grading of Hepatocellular Carcinoma-A Systematic Review of Literature. AB - Background: Histological grading typically reflects the biological behavior of solid tumors, thus providing valuable prognostic information. This is also expected in hepatocellular carcinoma (HCC), although limited access to biopsy samples and a lack of standardization might hinder its full predictive value in this cancer. Objectives: In order to better understand the current practices of histological grading in HCC, we examined the latest publications addressing its impact on the outcome of patients following surgical treatment. Methods: We searched the PubMed (MEDLINE) database under the headings "hepatocellular carcinoma," "grade OR grading," and "prognosis." Qualitative and quantitative assessment of publications was performed according to the reference they used to grade their tumors (e.g., Edmondson-Steiner, World Health Organization). Results: We reviewed a total of 216 articles: 114 enclosed adequate information and were included herein. Among these, we found divergences and inaccuracies in the histological grade assessment of this cancer, which might have led to a non standardized grade distribution, with further impact on data analysis. Nevertheless, in most of them, poor tumor differentiation correlated with worse prognosis, expressed by lower overall and/or disease-free survival. Conclusion: While histological grading of HCC has an important prognostic role, there is an unsatisfactory heterogeneity on the microscopic assessment of this tumor, urging for a movement toward standardization. PMID- 29209612 TI - Anxiety and Depression in the Portuguese Older Adults: Prevalence and Associated Factors. AB - Anxiety and depression in the elderly individuals have been studied around the world, and some authors consider them among the most serious problems faced by modern societies. With recent economic crisis-very important in Southern European countries-isolation, loneliness, and exclusion of the active society, mental problems are probably raising and associated with distinct factors. In this cross sectional analysis, nested in a longitudinal population-based cohort study, we analyze anxiety and depression prevalence, and their related factors, in a representative cohort of Portuguese seniors. We used data retrieved from second wave of follow-up of EpiDoC Cohort-EpiDoC 2 study, which is composed by 10,661 adults, representative of adult Portuguese population. This study included all >=65 years old EpiDoC 2 study participants, who responded to Hospital Anxiety and Depression Scale (HADS), n = 1,680. Sociodemographic, lifestyles, self-reported non-communicable diseases, health-related quality of life (EQ-5D-3D), physical function (HAQ), and health resources consumption data were collected. Anxiety and depression were assessed with HADS. Anxiety and depression prevalence were estimated. Multivariable logistic regression was used to assess anxiety and depression score determinants. The estimated prevalence of anxiety among Portuguese elderly is 9.6% and depression is 11.8%. Seniors with anxiety and seniors with depression have a higher probability to self-report higher levels of physical disability (OR = 3.10; 96% CI 2.12-4.52; OR = 3.08, 95% CI 2.29-4.14, respectively) and lower levels of quality of life (OR = 0.03, 95% CI 0.01-0.09; OR = 0.03, 95% CI 0.01-0.06, respectively). Female gender (OR = 2.77, 95% CI 1.53 5.00), low educational level (OR = 2.30, 95% CI 1.22-4.36), allergic (OR = 2.02, 95% CI 1.14-3.55), and rheumatic disease (OR = 2.92, 95% CI 1.74-4.90) were significantly and independently associated with the presence of anxiety symptoms. Physical inactivity (OR = 1.64, 95% CI 1.11-2.42) and low educational level (OR = 2.40, 95% CI 1.41-4.09) were significantly and independently associated with depression symptoms. Subjects that reported to drink alcohol daily or occasionally were negatively associated with depression symptoms. Anxiety and depression are frequent among Portuguese elderly. These prevalence rates suggest that preventing mental illness in senior population is a crucial need. A well designed prevention strategy might have an effective action in raising the well being of elderly. PMID- 29209613 TI - Evaluation of Phenolic Phytochemical Enriched Commercial Plant Extracts on the In Vitro Inhibition of alpha-Glucosidase. AB - Green tea (GT), cranberry (CR), and tart cherry extracts were evaluated for their ability to inhibit yeast alpha-glucosidase, relevant to glucose uptake. The total phenolic content (TPC), antioxidant activity, and in vitro inhibitory activity of yeast alpha-glucosidase were examined for the extracts in the present study. GT had higher TPC and antioxidant activity, but CR demonstrated a greater alpha glucosidase inhibitory activity, on phenolic basis. CR was fractionated using LH 20 column chromatography into two fractions: 30% methanol (CME) and 70% acetone (CAE). TPC, antioxidant activity, and yeast alpha-glucosidase inhibitory activity were determined for the fractions. CAE had a greater TPC and antioxidant activity than CME, but the two fractions had a synergistic effect when inhibiting yeast alpha-glucosidase. Our findings suggest that CR has the greatest potential to possibly manage post-prandial blood glucose levels via the inhibition of alpha glucosidase, and that the effect is through synergistic activity of the extract's phenolic compounds. PMID- 29209614 TI - Laryngeal Cryptococcosis Associated With Inhaled Corticosteroid Use: Case Reports and Literature Review. AB - Laryngeal cryptococcosis is a rare clinical entity. There have been a limited number of case reports in the literature with no consensus regarding optimal management. This review contributes two additional case reports of immunocompetent patients with cryptococcal infection of the larynx in whom exposure to high doses of inhaled corticosteroids is proposed as a significant risk factor. Twenty cases were identified from review of the literature. All patients presented with hoarseness and a spectrum of microlaryngoscopic features, often mimicking laryngeal malignancy. The majority of cases were treated with systemic antifungal therapy, three cases had surgical excision alone, and another three had a combination of medical and surgical management. Risk factor modification, in the form of a reduction in inhaled corticosteroid was employed in the two new cases, and in some previously published cases. Risk factor modification, such as reduction of inhaled corticosteroid dose, in addition to oral antifungal agents can be effective in managing cryptococcal laryngitis. PMID- 29209615 TI - Simultaneous Hepatic and Mesenteric Hydatid Disease-A Case Report. AB - Introduction: Hydatid cysts most commonly present in the liver and the lungs; however, they can appear more rarely in other locations, such as the mesentery, with a rather unclear mechanism of manifestation. Herein, we present a case of simultaneous presence of hydatid cysts in the liver and the mesentery of a young man. Case report: A 39-year-old man was referred to our Department for further investigation of intermittent abdominal pain, especially in the right upper quadrant, and abdominal distension. Abdominal CT imaging revealed three calcified lesions, one in the liver, a similar adjacent to an ileal loop and one close to the urinary bladder, while antibody control was positive for echinococcal infection. The lesions were excised and the patient was discharged on the seventh post-operative day in good general condition. Post-operative control after 6 months did not show any signs of recurrence. Conclusion: Simultaneous presence of hydatid cysts in two organs occurs in 5-13% of cases. Presence in the mesentery is extremely rare, although, should be included in the classic differential diagnosis, especially in endemic areas. PMID- 29209616 TI - Extracellular Vesicles as Protagonists of Diabetic Cardiovascular Pathology. AB - Extracellular vesicles (EVs) represent an emerging mechanism of cell-cell communication in the cardiovascular system. Recent data suggest that EVs are produced and taken up by multiple cardiovascular cell types, influencing target cells through signaling or transfer of cargo (including proteins, lipids, messenger RNA, and non-coding RNA). The concentration and contents of circulating EVs are altered in several diseases and represent explicit signatures of cellular activation, making them of particular interest as circulating biomarkers. EVs also actively contribute to the progression of various cardiovascular diseases, including diabetes-related vascular disease. Understanding the relationships between circulating EVs, diabetes, and cardiovascular disease is of importance as diabetic patients are at elevated risk for developing several debilitating cardiovascular pathologies, including diabetic cardiomyopathy (DCM), a disease that remains an enigma at the molecular level. Enhancing and exploiting our understanding of EV biology could facilitate the development of effective non invasive diagnostics, prognostics, and therapeutics. This review will focus on EV biology in diabetic cardiovascular diseases, including atherosclerosis and DCM. We will review EV biogenesis and functional properties, as well as provide insight into their emerging role in cell-cell communication. Finally, we will address the utility of EVs as clinical biomarkers and outline their impact as a biomedical tool in the development of therapeutics. PMID- 29209617 TI - MiRroring the Multiple Potentials of MicroRNAs in Acute Myocardial Infarction. AB - At present, cardiovascular diseases are depicted to be the leading cause of death worldwide according to the World Health Organization. In the future, projections predict that ischemic heart disease will persist in the top main causes of illness. Within this alarming context, some tiny master regulators of gene expression programs, namely, microRNAs (miRNAs) carry three promising potentials. In fact, miRNAs can prove to be useful not only in terms of biomarkers allowing heart injury detection but also in terms of therapeutics to overcome limitations of past strategies and treat the lesions. In a more creative approach, they can even be used in the area of human engineered cardiac tissues as maturation tools for cardiomyocytes (CMs) derived from pluripotent stem cell. Very promising not only for patient-specific cell-based therapies but also to develop biomimetic microsystems for disease modeling and drug screening, these cells greatly contribute to personalized medicine. To get into the heart of the matter, the focus of this review lies primarily on miRNAs as acute myocardial infarction (AMI) biomarkers. Only large cohort studies comprising over 100 individuals to reach a potent statistical value were considered. Certain miRNAs appeared to possibly complement protein-based biomarkers and classical risk factors. Some were even described to bear potential in the discrimination of similar symptomatic pathologies. However, differences between pre-analytical and analytical approaches substantially influenced miRNA data. Further supported by meta-analysis studies, this problem had to be addressed. A detailed critical analysis of each step to define miRNAs biomarker potential is provided to inspire a future improved universal strategy. Interestingly, a recurrent set of cardiomyocyte-enriched miRNAs was found, namely, miR-1; miR-133; miR-208a/b; and miR-499a. Each member of this myomiRs group displayed promising roles either individually or in combination as AMI diagnostic or prognostic biomarkers. Furthermore, a precise combo was shown to be powerful enough to transdifferentiate human fibroblasts into CMs opening doors in the therapeutics. Following these discoveries, they also emerged as optional tools to transfect in order to mature CMs derived from pluripotent stem cells. Ultimately, the multiple potentials carried by the myomiRs miR-1; miR-133; miR-208a/b; and miR-499a still remain to be fully unveiled. PMID- 29209620 TI - Editorial: Modeling Disease Spread and Control. PMID- 29209619 TI - Circulating MicroRNAs As Potential Biomarkers for Veterinary Infectious Diseases. AB - MicroRNAs (miRNAs) are a kind of small non-coding RNA molecules that could regulate multiple biological pathways at posttranscriptional level. Over 2,000 miRNAs have so far been discovered in humans, and many of them are found to be linked to various kinds of diseases. Thus, miRNAs are being considered as clinical diagnostic and therapeutic targets. With the discovery of high stability of circulating miRNAs in various kinds of mammalian body fluids, the potential of circulating miRNAs as diagnostic/prognostic biomarkers of infectious diseases aroused great interest among researchers. As far as human diseases are concerned, some biomarkers based on circulating miRNAs have been progressed to clinical application. In veterinary fields, however, this concept is only beginning to come into view. In this review, we summarize an update of preclinical studies on using circulating miRNAs as diagnostic biomarkers to combat infectious diseases that affect domestic animals. PMID- 29209618 TI - Platelet-Derived Microvesicles in Cardiovascular Diseases. AB - Microvesicles (MVs) circulating in the blood are small vesicles (100-1,000 nm in diameter) derived from membrane blebs of cells such as activated platelets, endothelial cells, and leukocytes. A growing body of evidence now supports the concept that platelet-derived microvesicles (PMVs), the most abundant MVs in the circulation, are important regulators of hemostasis, inflammation, and angiogenesis. Compared with healthy individuals, a large increase of circulating PMVs has been observed, particularly in patients with cardiovascular diseases. As observed in MVs from other parent cells, PMVs exert their biological effects in multiple ways, such as triggering various intercellular signaling cascades and by participating in transcellular communication by the transfer of their "cargo" of cytoplasmic components and surface receptors to other cell types. This review describes our current understanding of the potential role of PMVs in mediating hemostasis, inflammation, and angiogenesis and their consequences on the pathogenesis of cardiovascular diseases, such as atherosclerosis, myocardial infarction, and venous thrombosis. Furthermore, new developments of the therapeutic potential of PMVs for the treatment of cardiovascular diseases will be discussed. PMID- 29209621 TI - Influence of environmental conditions and pollution on the incidence of Streptococcus pneumoniae infections. AB - Fossil fuel derived pollutants (SO2, NO), dry air and cold increase the incidence of S. pneumoniae infections http://ow.ly/RnLW30gogb1. PMID- 29209623 TI - MYC Gene Rearrangements Are Closely Associated with Poor Survival of Diffuse Large B Cell Lymphoma with Hepatitis B Virus Infection. AB - The aim of this study was to identify clinical adverse prognostic factors affecting overall survival (OS) of diffuse large B cell (DLBCL) patients with hepatitis B virus (HBV) infection. In this study, 30 DLBCL patients with HBV infection and 51 DLBCL patients with HBV-free were reviewed retrospectively. As of July 2016, the median follow-up period was 26.4 months (3.0~65.0 months). The median OS of patients in HBV infection group was 38.6 months, while that of patients in HBV-free group was not reached (P = 0.042); the median progression free survival (PFS) of patients in HBV infection group was worse than that in HBV free group, 18.5 months and 38.5 months (P = 0.118), respectively. The rate of MYC and BCL2 gene rearrangements in HBV infection group was significantly higher than that in HBV-free group, 20.0% versus 3.9% (P = 0.019) and 23.3% versus 5.9% (P = 0.021), respectively. Multivariable analysis indicated that IPI (P = 0.002), chemotherapy regimens (P = 0.017), and MYC gene rearrangements (P = 0.004) were independent adverse prognostic factors for all DLBCL patients in this study. Results demonstrated that the poor survival of DLBCL patients with HBV infection was closely involved in chemotherapy regimens, IPI, and MYC gene rearrangements. PMID- 29209622 TI - Exploration of the Association between Nurses' Moral Distress and Secondary Traumatic Stress Syndrome: Implications for Patient Safety in Mental Health Services. AB - Work-related moral distress (MD) and secondary traumatic stress syndrome (STSS) may be associated with compromised health status among health professionals, reduced productivity, and inadequate safety of care. We explored the association of MD with the severity of STSS symptoms, along with the mediating role of mental distress symptoms. Associations with emotional exhaustion and professional satisfaction were also assessed. This cross-sectional survey conducted in 206 mental health nurses (MHNs) was employed across public sector community and hospital settings in Cyprus. The analysis revealed that MD (measured by the modified Moral Distress Scale) was positively associated with both STSS (measured by the Secondary Traumatic Stress Scale) and mental distress symptoms (assessed by the General Health Questionnaire-28). The association of MD with STSS symptoms was partially mediated by mental distress symptoms. This association remained largely unchanged after adjusting for gender, age, education, rank, and intention to quit the job. Our findings provide preliminary evidence on the association between MD and STSS symptomatology in MHNs. Situations that may lead health professionals to be in moral distress seem to be mainly related to the work environment; thus interventions related to organizational empowerment of MHNs need to be developed. PMID- 29209624 TI - In Vitro Antibacterial Activity of Pomegranate Juice and Peel Extracts on Cariogenic Bacteria. AB - Aim: To evaluate the antimicrobial activity of hydroalcoholic extracts of pomegranate (Punica granatum L.) peel and juice, against the microorganisms considered the main etiologic agents of dental caries. Methods: The values of the minimum inhibitory concentration (MIC) and the minimum bactericidal concentration (MBC) were determined against Streptococcus mutans Clarke ATCC(r) 25175TM strain and Rothia dentocariosa clinical isolate. Results: Peel extracts inhibit effectively the growth and survival of S. mutans ATCC 25175 strain and R. dentocariosa clinical isolate with MIC and MBC values of 10 MUg/MUl and 15 MUg/MUl, respectively. Furthermore, the pomegranate juice extract showed high inhibitory activity against S. mutans ATCC 25175 strain with a MIC value of 25 MUg/MUl and a MBC value of 40 MUg/MUl, whereas, against R. dentocariosa, it has displayed a moderate inhibitory activity, with MIC and MBC values of 20 MUg/MUl and 140 MUg/MUl, respectively. Conclusions: In vitro microbiological tests demonstrate that the hydroalcoholic extracts of pomegranate juice and peel are able to contrast the main cariogenic bacteria involved in tooth decay. Although being preliminary data, our results suggest that pomegranate polyphenolic compounds could represent a good adjuvant for the prevention and treatment of dental caries. PMID- 29209625 TI - Prediction and Validation of Hub Genes Associated with Colorectal Cancer by Integrating PPI Network and Gene Expression Data. AB - Although hundreds of colorectal cancer- (CRC-) related genes have been screened, the significant hub genes still need to be further identified. The aim of this study was to identify the hub genes based on protein-protein interaction network and uncover their clinical value. Firstly, 645 CRC patients' data from the Tumor Cancer Genome Atlas were downloaded and analyzed to screen the differential expression genes (DEGs). And then, the Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis was performed, and PPI network of the DEGs was constructed by Cytoscape software. Finally, four hub genes (CXCL3, ELF5, TIMP1, and PHLPP2) were obtained from four subnets and further validated in our clinical setting and TCGA dataset. The results showed that mRNA expression of CXCL3, ELF5, and TIMP1 was increased in CRC tissues, whereas PHLPP2 mRNA expression was decreased. More importantly, high expression of CXCL3, ELF5, and TIMP1 was significantly associated with lymphatic invasion, distance metastasis, and advanced tumor stage. In addition, a shorter overall survival was observed in patients with increased CXCL3, TIMP1, and ELF5 expression and decreased PHLPP2 expression. In conclusion, the four hub genes screened by our strategy could serve as novel biomarkers for prognosis prediction of CRC patients. PMID- 29209626 TI - Neovascular Prostate-Specific Membrane Antigen Expression Is Associated with Improved Overall Survival under Palliative Chemotherapy in Patients with Pancreatic Ductal Adenocarcinoma. AB - Aims: Expression of PSMA (prostate-specific membrane antigen) has been demonstrated in various cancers, including pancreatic ductal adenocarcinoma (PDAC). However, PSMA expression in PDAC-associated neovasculature has so far not been systematically analyzed. Methods and Results: We analyzed PSMA expression in 81 PDAC tissue samples from 61 patients. Microvessel density (MVD) was assessed by software-based image analysis and showed a mean MVD of 63.7 microvessels/0.785 mm2. PSMA was practically absent in tumor tissue (5.3%) and PDAC cell lines (0/7) but could be detected in tumor-associated neovasculature in 53.2% of cases. There was no association between neovascular PSMA expression and clinicopathological tumor characteristics. Samples with PSMA+ neovasculature showed increased MVD; however, this result was not statistically significant (p > 0.05). Presence of PSMA+ neovessels correlated with overall survival under palliative chemotherapy (894 versus 400 days; HR 0.42; 95% CI: 0.12 to 0.87; p < 0.05). Conclusion: PSMA expression in tumor-associated neovasculature is a common feature and associated with improved overall survival under palliative chemotherapy in PDAC. Our results point towards a possible association between PSMA expression and response to therapy which might be based on enhanced intratumoral bioavailability of systemic chemotherapy. PMID- 29209627 TI - Thermosensitive Chitosan Hydrogels Containing Polymeric Microspheres for Vaginal Drug Delivery. AB - Thermosensitive hydrogels have increasingly received considerable attention for local drug delivery based on many advantages. However, burst release of drugs is becoming a critical challenge when the hydrogels are employed. Microspheres- (MS ) loaded thermosensitive hydrogels were thus fabricated to address this limitation. Employing an orthogonal design, the spray-dried operations of tenofovir (TFV)/Bletilla striata polysaccharide (BSP)/chitosan (CTS) MS were optimized according to the drug loading (DL). The physicochemical properties of the optimal MS (MS F) were characterized. Depending on the gelation temperature and gelating time, the optimal CTS-sodium alginate- (SA-) alpha,beta glycerophosphate (GP) (CTS-SA-GP) hydrogel was obtained. Observed by scanning electron microscope (SEM), TFV/BSP/CTS MS were successfully encapsulated in CTS SA-GP. In vitro releasing demonstrated that MS F-CTS-SA-GP retained desirable in vitro sustained-release characteristics as a vaginal delivery system. Bioadhesion measurement showed that MS-CTS-SA-GP exhibited the highest mucoadhesive strength. Collectively, MS-CTS-SA-GP holds great promise for topical applications as a sustained-release vaginal drug delivery system. PMID- 29209628 TI - Inhibitors of Histone Deacetylases Are Weak Activators of the FMR1 Gene in Fragile X Syndrome Cell Lines. AB - Fragile X syndrome is the most common cause of inherited intellectual disability in humans. It is a result of CGG repeat expansion in the 5' untranslated region (5' UTR) of the FMR1 gene. This gene encodes the FMRP protein that is involved in neuronal development. Repeat expansion leads to heterochromatinization of the promoter, gene silencing, and the subsequent absence of FMRP. To date, there is no specific therapy for the syndrome. All treatments in clinic practice provide symptomatic therapy. The development of drug therapy for Fragile X syndrome treatment is connected with the search for inhibitors of enzymes that are responsible for heterochromatinization. Here, we report a weak transcriptional activity of the FMR1 gene and the absence of FMRP protein after Fragile X syndrome cell lines treatment with two FDA approved inhibitors of histone deacetylases, romidepsin and vorinostat. We demonstrate that romidepsin, an inhibitor of class I histone deacetylases, does not activate FMR1 expression in patient cell cultures, whereas vorinostat, an inhibitor of classes I and II histone deacetylases, activates a low level of FMR1 expression in some patient cell lines. PMID- 29209629 TI - Corrigendum to "Effects of Chronic Exposure to Sodium Arsenite on Expressions of VEGF and VEGFR2 Proteins in the Epididymis of Rats". AB - [This corrects the article DOI: 10.1155/2017/2597256.]. PMID- 29209630 TI - Barriers to Physical Activity in Low Back Pain Patients following Rehabilitation: A Secondary Analysis of a Randomized Controlled Trial. AB - Background: Promoting health-enhancing physical activity following rehabilitation is a well-known challenge. This study analysed the barriers to leisure time activity among low back pain patients. Methods: A subset of 192 low back pain patients who participated in a randomized controlled trial promoting physical activity was analysed. Physical activity, barriers, and sociodemographic and indication-related variables were assessed by a questionnaire. Differences in barriers between active and inactive participants were tested by Pearson's chi squared test. A logistic regression model was fitted to identify influencing factors on physical activity at six months following rehabilitation. Results: Inactive and active participants differed significantly in nine of the 19 barriers assessed. The adjusted regression model showed associations of level of education (OR = 5.366 [1.563; 18.425]; p value = 0.008) and fear of pain (OR = 0.612 [0.421; 0.889]; p value = 0.010) with physical activity. The barriers included in the model failed to show any statistically significant association after adjustment for sociodemographic factors. Conclusions: Low back pain patients especially with a low level of education and fear of pain seem to need tailored support in overcoming barriers to physical activity. This study is registered at German Clinical Trials Register (DRKS00004878). PMID- 29209631 TI - Maxillary Sinus Floor Augmentation Using an Equine-Derived Graft Material: Preliminary Results in 17 Patients. AB - Objective: Sinus floor elevation with lateral approach is probably the most frequently performed reconstructive procedure to rehabilitate posterior maxilla when a bone deficiency is present. Different graft materials have been proposed and tested, often with high clinical performances and predictable results. Histological analysis is required when evaluating new materials. We investigated human biopsies retrieved after sinus floor elevation procedure by histomorphometric evaluation to test the performance of an equine-derived bone grafting material. Study Design: Seventeen consecutive patients were enrolled and sinus lift surgeries were performed using an equine bone graft. Six months after surgery, at implant placement, bone samples were collected. Histomorphometry analysis was carried out on decalcified samples. Results: All surgeries were uneventful and no additional grafting was required prior to implant insertion. Forty percent of new bone formation was detected, which represented the most abundant tissue retrieved, followed by the residual graft material (33%) and fibrous tissue (27%). A significant reduction in particles size demonstrates a remodeling activity of the graft material. Conclusion: Within the limitations of this study, this equine-derived bone graft proved to be an effective material to induce new bone formation in the sinus floor elevation procedure. PMID- 29209632 TI - Silymarin Ameliorates Diabetes-Induced Proangiogenic Response in Brain Endothelial Cells through a GSK-3beta Inhibition-Induced Reduction of VEGF Release. AB - Diabetes mellitus (DM) is a major risk factor for cardiovascular disease. Additionally, it was found to induce a dysfunctional angiogenic response in the brain that was attributed to oxidative stress. Milk thistle seed extract (silymarin) has potent antioxidant properties, though its potential use in ameliorating diabetes-induced aberrant brain angiogenesis is unknown. Glycogen synthase kinase-3beta is a regulator of angiogenesis that is upregulated by diabetes. Its involvement in diabetes-induced angiogenesis is unknown. To evaluate the potential of silymarin to ameliorate diabetes-induced aberrant angiogenesis, human brain endothelial cells (HBEC-5i) were treated with 50 MUg/mL advanced glycation end (AGE) products in the presence or absence of silymarin (50, 100 MUM). The angiogenic potential of HBEC-5i was evaluated in terms of migration and in vitro tube formation capacities. The involvement of GSK-3beta was also evaluated. AGE significantly increased the migration and tube formation rates of HBEC-5i by about onefold (p = 0.0001). Silymarin reduced AGE-induced migration in a dose-dependent manner where 50 MUM reduced migration by about 50%, whereas the 100 MUM completely inhibited AGE-induced migration. Similarly, silymarin 50 MUg/mL blunted AGE-induced tube formation (p = 0.001). This effect was mediated through a GSK-3beta-dependent inhibition of VEGF release. In conclusion, silymarin inhibits AGE-induced aberrant angiogenesis in a GSK-3beta mediated inhibition of VEGF release. PMID- 29209634 TI - The Vilkki Procedure as an emergency treatment in an apocalyptical hand injury - a case report and first description. AB - We describe a young man who suffered a severe mutilating injury of the hand and forearm while working as a cheesemaker. He underwent a complex reconstruction of his right adominant hand including a heterotopic thumb replantation into the distal radius and combined with an emergency flow-through anterolateral thigh flap. PMID- 29209633 TI - Protein Intake, Especially Vegetable Protein Intake, Is Associated with Higher Skeletal Muscle Mass in Elderly Patients with Type 2 Diabetes. AB - Background/Aims: Protein intake is important for maintaining muscle mass in general population. However, it remains to be elucidated the association between dietary protein intake and skeletal muscle mass in elderly patients with type 2 diabetes. Methods: In this cross-sectional study of 168 elderly patients with type 2 diabetes, we investigated the relationship between skeletal muscle index (SMI) and protein intake. Bioimpedance analysis was used for measurement for skeletal muscle mass (kg) and SMI (%), which was defined as skeletal muscle mass (kg)/total body weight (kg) * 100. Habitual food and nutrient intake were estimated by a questionnaire. Results: Protein intake was independently correlated with SMI after adjusting for age, hemoglobin A1c, C-peptide index, exercise, smoking, insulin treatment, total energy intake, and C-reactive protein (standardized regression coefficient = 0.664, P < 0.001 in men and standardized regression coefficient = 0.516, P = 0.005 in women). Additionally, the animal protein to vegetable protein ratio was negatively correlated with SMI after adjusting for covariates in men (standardized regression coefficient = -0.339, P = 0.005). Conclusions: We found that total protein intake, especially vegetable protein intake, was positively associated with skeletal muscle mass in elderly patients with type 2 diabetes. PMID- 29209635 TI - Serum neurofilament light chain in relapsing-remitting MS: Unchaining disease activity prediction? PMID- 29209637 TI - A role for p53 in telomere protection. AB - Telomeres cap the ends of chromosomes and are crucial for genome stability. The p53 protein (TP53) is a vital tumor suppressor, activating the transcription of numerous genes in response to cell stress. We reported that direct binding of p53 at human subtelomeres corresponds with local transcription activation and enhanced telomere stability in the presence of DNA damage. PMID- 29209638 TI - Sensitizing HR-proficient cancers to PARP inhibitors. PMID- 29209636 TI - Neurofilament light chain predicts disease activity in relapsing-remitting MS. AB - Objective: To investigate whether serum neurofilament light chain (NF-L) and chitinase 3-like 1 (CHI3L1) predict disease activity in relapsing-remitting MS (RRMS). Methods: A cohort of 85 patients with RRMS were followed for 2 years (6 months without disease-modifying treatment and 18 months with interferon-beta 1a [IFNB-1a]). Expanded Disability Status Scale was scored at baseline and every 6 months thereafter. MRI was performed at baseline and monthly for 9 months and then at months 12 and 24. Serum samples were collected at baseline and months 3, 6, 12, and 24. We analyzed the serum levels of NF-L using a single-molecule array assay and CHI3L1 by ELISA and estimated the association with clinical and MRI disease activity using mixed-effects models. Results: NF-L levels were significantly higher in patients with new T1 gadolinium-enhancing lesions (37.3 pg/mL, interquartile range [IQR] 25.9-52.4) and new T2 lesions (37.3 pg/mL, IQR 25.1-48.5) compared with those without (28.0 pg/mL, IQR 21.9-36.4, beta = 1.258, p < 0.001 and 27.7 pg/mL, IQR 21.8-35.1, beta = 1.251, p < 0.001, respectively). NF-L levels were associated with the presence of T1 gadolinium-enhanced lesions up to 2 months before (p < 0.001) and 1 month after (p = 0.009) the time of biomarker measurement. NF-L levels fell after initiation of IFNB-1a treatment (p < 0.001). Changes in CHI3L1 were not associated with clinical or MRI disease activity or interferon-beta 1a treatment. Conclusion: Serum NF-L could be a promising biomarker for subclinical MRI activity and treatment response in RRMS. In clinically stable patients, serum NF-L may offer an alternative to MRI monitoring for subclinical disease activity. ClinicalTrialsgov identifier: NCT00360906. PMID- 29209639 TI - Enhancer remodeling regulates epigenetic adaptation and resistance to MEK1/2 inhibition in triple-negative breast cancer. AB - Kinase inhibitors targeting the mitogen/extracellular signal-regulated kinase kinase (MEK)- extracellular signal related kinase (ERK) signaling pathway have limited durability in inhibiting growth of triple-negative breast cancer. We defined genome wide enhancer remodeling following MEK inhibition capable of driving adaptive gene transcription. Targeting positive elongation factor (P TEFb) transcriptional regulatory complex members can block enhancer remodeling making the response to MEK-ERK inhibition durable. PMID- 29209640 TI - Some assembly required: Redefining the mitotic checkpoint. AB - The spindle assembly checkpoint (also known as the spindle or mitotic checkpoint) is a surveillance system that ensures fidelity of chromosome segregation. Here we suggest, in light of historical and more recent evidence, that this signaling system monitors kinetochore attachment and spindle assembly by two distinct, but functionally overlapping, pathways. PMID- 29209642 TI - PARK2 loss promotes cancer progression via redox-mediated inactivation of PTEN. AB - Cancer and Parkinson disease (PD) derive from distinct alterations in cellular processes, yet there are pathogenic mutations that are unequivocally linked to both diseases. Here we expand on our recent findings that loss of parkin RBR E3 ubiquitin protein ligase (PRKN, best known as PARK2)-which is genetically linked to PD-promotes cancer progression via redox-mediated inactivation of phosphatase and tensin homolog (PTEN) by S-nitrosylation. PMID- 29209641 TI - The folate cycle is a new metabolic weakness of cancer. AB - Cancer cells harness nutrients to support its rapid proliferation through metabolic reprogramming. Our report identified folate cycle as a metabolic target in hepatocellular carcinoma. Folate cycle stagnation via inhibition of its mitochondrial folate enzyme methylenetetrahydrofolate dehydrogenase 1-like (MTHFD1L) greatly induced oxidative stress improving HCC cells' response to sorafenib. PMID- 29209644 TI - New role of endoplasmic reticulum chaperones in regulating metaplasia during tumorigenesis. AB - Metaplasia is emerging as a key process in tumorigenesis. We discovered that 2 essential endoplasmic reticulum (ER) chaperones, 78-kilodalton glucose-regulated protein (GRP78) and 94-kilodalton glucose-regulated protein (GRP94) have a role in metaplasia. Grp78 haploinsufficiency in the mouse pancreas impairs acinar-to ductal metaplasia, whereas in the uterus, Grp94 loss induces squamous cell metaplasia; both resulting in tumor suppression. PMID- 29209643 TI - NRAS-driven melanoma: A RAF can hide another. AB - Using mouse genetics, we recently showed that BRAF has a critical role in initiation of NRAS-driven melanoma that cannot be compensated by CRAF. In contrast, RAF proteins display compensatory functions in fully established tumors and ARAF can sustain proliferation in the absence of BRAF and CRAF, highlighting an addiction to RAF signaling in NRAS-driven melanoma. PMID- 29209645 TI - Molecular pathways driven by ETO2-GLIS2 in aggressive pediatric leukemia. AB - The ETO2-GLIS2 fusion oncoprotein is associated with poor prognosis pediatric acute megakaryoblastic leukemia. Recently, we observed that ETO2-GLIS2 controls enhancers activity at genes regulating haematopoietic progenitor self-renewal and differentiation toward the megakaryocytic lineage. We also showed that targeting ETO2-GLIS2 complex stability inhibits these properties and may represent a novel therapeutic strategy. PMID- 29209647 TI - Targeting RAS - will GPR31 deliver us a new path forward? AB - Effective anti-rat sarcoma viral oncogene (RAS) therapies have remained the holy grail of cancer treatment. Mutant Kirsten rat sarcoma viral oncogene homolog (KRAS) sustains tumorigenesis when linked to the plasma membrane (PM). The G protein-coupled receptor 31 (GPR31) is now identified to mediate KRAS membrane association and is crucial for proliferation, survival and macropinocytosis of KRAS-dependent cancer cells, suggesting that GPR31 is a druggable target for anti RAS therapy. PMID- 29209646 TI - Re-investigating PLK1 inhibitors as antimitotic agents. AB - Polo-like kinase 1 (PLK1) plays key roles during mitosis, prompting the development of PLK1 inhibitors for anticancer therapy. We recently determined that PLK1 is crucially required for entry into mitosis. Hence, we discuss the potential and limitations of PLK1 inhibition strategies to promote mitotic arrest and death of cancer cells. PMID- 29209648 TI - Linking H1 with chromatin and growth control. AB - The retinoblastoma protein (pRb) is considered to be one of the key regulators of cell proliferation. Here we describe our recent findings that linker histone H1.2 is an interaction partner for pRb and impacts upon the genome-wide chromatin binding properties of pRb. Consequently, H1.2 influences transcriptional repression and cell cycle control. PMID- 29209649 TI - Breaking the end: Target the replication stress response at the ALT telomeres for cancer therapy. AB - We recently reported that depletion of FANCM in ALT cells induces replication stress mainly at their telomeres. Additionally, we found that co-depletion of FANCM and BLM, or FANCM and BRCA1 induces synthetic lethality in the ALT cells. Our new findings could have important implications for cancer prevention and treatment. PMID- 29209650 TI - KEAP1 has a sweet spot: A new connection between intracellular glycosylation and redox stress signaling in cancer cells. AB - The KEAP1/NRF2 pathway is a master regulator of the redox stress response and is dysregulated in numerous human tumors. We discovered that NRF2 signaling is controlled by the site-specific glycosylation of KEAP1, revealing a potentially broad link among nutrient sensing, proteostasis and stress resistance in both normal and cancer cells. PMID- 29209651 TI - PML degradation fosters an immunosuppressive and pro-metastatic tumor microenvironment. AB - The tumor suppressive functions of promyelocytic leukemia (PML) have been attributed mainly to its inhibition of various malignant properties of tumor cells. Our recent work identifies a PML ubiquitination and degradation pathway, which regulates both cell and non-cell components of the tumor microenvironment, thereby potentiating immune evasion and metastasis. PMID- 29209652 TI - Sestrin1, a tumor suppressor that can be rescued. AB - SESTRIN1 is a tumor suppressor in follicular lymphoma that controls mTORC1 activity and it is inactivated by chromosomal deletions or epigenetically silenced by mutant EZH2Y641X. Pharmacological inhibition of EZH2 promotes SESTRIN1 re-expression and it restores its tumor suppressive activity, suggesting the possibility to epigenetically control mTORC1 activity. PMID- 29209653 TI - Unveiling the role of VPS34 kinase domain dynamics in regulation of the autophagic PI3K complex. AB - The class III PI 3-kinase, VPS34 forms distinct complexes essential for cargo sorting and membrane trafficking in endocytosis as well as for autophagosome nucleation and maturation. We used integrative structural biology approach to provide insights into the conformational dynamics of the complex and mechanisms that regulate VPS34 activity at the membrane. PMID- 29209654 TI - Tumor stiffness extends its grip on the metastatic microenvironment. AB - The increased stiffness of a tumor triggers a multitude of responses that aid cancer cell dissemination. Stiffness-induced expression of CCN1 mediates autocrine signaling in the endothelium to upregulate N-Cadherin levels. This permits more stable interactions with cancer cells and increases their ability to spread into the circulation. PMID- 29209655 TI - The E3 ubiquitin ligase STUB1 regulates autophagy and mitochondrial biogenesis by modulating TFEB activity. AB - TFEB is a master regulator for transcription of genes involved in autophagy, lysosome and mitochondrial biogenesis. Activity of TFEB is inhibited upon its phosphorylation. STUB1, a chaperone-dependent E3 ubiquitin ligase, modulates TFEB activity by preferentially targeting inactive phosphorylated TFEB for degradation by the ubiquitin proteasome pathway. Thus, the ubiquitin-proteasome pathway participates in regulating autophagy and lysosomal functions by regulating the activity of TFEB. PMID- 29209656 TI - Ionic signalling and mitochondrial dynamics. AB - In age-related diseases, rise in intracellular reactive oxygen species (ROS) causes fragmentation of mitochondrial network. Our recent study demonstrated that ROS activation of TRPM2 (transient receptor potential melastatin-2) channels triggers lysosomal Zn2+ release that, in turn, triggers mitochondrial fragmentation. The findings provide new mechanistic insights that may have therapeutic implications. PMID- 29209657 TI - Hitting the snooze button: Inducing quiescence with the FLT3 inhibitor quizartinib protects hematopoietic progenitors from chemotherapy. AB - Myelosuppression is one of the most severe and limiting side effects of chemotherapy. Our recent work outlines a strategy to prevent chemotherapy-induced myelosuppression by administering a priming dose of the FMS-Like Tyrosine kinase 3 (FLT3) inhibitor quizartinib. Furthermore, by administering sequential quizartinib primed injections of fluorouracil (5-FU), we demonstrated a novel and effective strategy to eliminate disease in two mouse models of quizartinib resistant acute myeloid leukemia (AML). PMID- 29209658 TI - Surgical Pathology Resident Rotation Restructuring at a Tertiary Care Academic Center. AB - Changes in the field of pathology and resident education necessitate ongoing evaluation of residency training. Evolutionary change is particularly important for surgical pathology rotations, which form the core of anatomic pathology training programs. In the past, we organized this rotation based on subjective insight. When faced with the recent need to restructure the rotation, we strove for a more evidence-based process. Our approach involved 2 primary sources of data. We quantified the number of cases and blocks submitted per case type to estimate workload and surveyed residents about the time required to gross specimens in all organ systems. A multidisciplinary committee including faculty, residents, and staff evaluated the results and used the data to model how various changes to the rotation would affect resident workload, turnaround time, and other variables. Finally, we identified rotation structures that equally distributed work and created a point-based system that capped grossing time for residents of different experience. Following implementation, we retrospectively compared turnaround time and duty hour violations before and after these changes and surveyed residents about their experiences with both systems. We evaluated the accuracy of the point-based system by examining grossing times and comparing them to the assigned point values. We found overall improvement in the rotation following the implementation. As there is essentially no literature on the subject of surgical pathology rotation organization, we hope that our experience will provide a road map to improve pathology resident education at other institutions. PMID- 29209659 TI - Imaging paleoslabs in the D" layer beneath Central America and the Caribbean using seismic waveform inversion. AB - D" (Dee double prime), the lowermost layer of the Earth's mantle, is the thermal boundary layer (TBL) of mantle convection immediately above the Earth's liquid outer core. As the origin of upwelling of hot material and the destination of paleoslabs (downwelling cold slab remnants), D" plays a major role in the Earth's evolution. D" beneath Central America and the Caribbean is of particular geodynamical interest, because the paleo- and present Pacific plates have been subducting beneath the western margin of Pangaea since ~250 million years ago, which implies that paleoslabs could have reached the lowermost mantle. We conduct waveform inversion using a data set of ~7700 transverse component records to infer the detailed three-dimensional S-velocity structure in the lowermost 400 km of the mantle in the study region so that we can investigate how cold paleoslabs interact with the hot TBL above the core-mantle boundary (CMB). We can obtain high-resolution images because the lowermost mantle here is densely sampled by seismic waves due to the full deployment of the USArray broadband seismic stations during 2004-2015. We find two distinct strong high-velocity anomalies, which we interpret as paleoslabs, just above the CMB beneath Central America and Venezuela, respectively, surrounded by low-velocity regions. Strong low-velocity anomalies concentrated in the lowermost 100 km of the mantle suggest the existence of chemically distinct denser material connected to low-velocity anomalies in the lower mantle inferred by previous studies, suggesting that plate tectonics on the Earth's surface might control the modality of convection in the lower mantle. PMID- 29209660 TI - Mesocrystalline calcium silicate hydrate: A bioinspired route toward elastic concrete materials. AB - Calcium silicate hydrate (C-S-H) is the binder in concrete, the most used synthetic material in the world. The main weakness of concrete is the lack of elasticity and poor flexural strength considerably limiting its potential, making reinforcing steel constructions necessary. Although the properties of C-S-H could be significantly improved in organic hybrids, the full potential of this approach could not be reached because of the random C-S-H nanoplatelet structure. Taking inspiration from a sea urchin spine with highly ordered nanoparticles in the biomineral mesocrystal, we report a bioinspired route toward a C-S-H mesocrystal with highly aligned C-S-H nanoplatelets interspaced with a polymeric binder. A material with a bending strength similar to nacre is obtained, outperforming all C-S-H-based materials known to date. This strategy could greatly benefit future construction processes because fracture toughness and elasticity of brittle cementitious materials can be largely enhanced on the nanoscale. PMID- 29209661 TI - Origami lattices with free-form surface ornaments. AB - Lattice structures are used in the design of metamaterials to achieve unusual physical, mechanical, or biological properties. The properties of such metamaterials result from the topology of the lattice structures, which are usually three-dimensionally (3D) printed. To incorporate advanced functionalities into metamaterials, the surface of the lattice structures may need to be ornamented with functionality-inducing features, such as nanopatterns or electronic devices. Given our limited access to the internal surfaces of lattice structures, free-form ornamentation is currently impossible. We present lattice structures that are folded from initially flat states and show that they could bear arbitrarily complex surface ornaments at different scales. We identify three categories of space-filling polyhedra as the basic unit cells of the cellular structures and, for each of those, propose a folding pattern. We also demonstrate "sequential self-folding" of flat constructs to 3D lattices. Furthermore, we folded auxetic mechanical metamaterials from flat sheets and measured the deformation-driven change in their negative Poisson's ratio. Finally, we show how free-form 3D ornaments could be applied on the surface of flat sheets with nanometer resolution. Together, these folding patterns and experimental techniques present a unique platform for the fabrication of metamaterials with unprecedented combination of physical properties and surface-driven functionalities. PMID- 29209662 TI - Prehistoric women's manual labor exceeded that of athletes through the first 5500 years of farming in Central Europe. AB - The intensification of agriculture is often associated with declining mobility and bone strength through time, although women often exhibit less pronounced trends than men. For example, previous studies of prehistoric Central European agriculturalists (~5300 calibrated years BC to 850 AD) demonstrated a significant reduction in tibial rigidity among men, whereas women were characterized by low tibial rigidity, little temporal change, and high variability. Because of the potential for sex-specific skeletal responses to mechanical loading and a lack of modern comparative data, women's activity in prehistory remains difficult to interpret. This study compares humeral and tibial cross-sectional rigidity, shape, and interlimb loading among prehistoric Central European women agriculturalists and living European women of known behavior (athletes and controls). Prehistoric female tibial rigidity at all time periods was highly variable, but differed little from living sedentary women on average, and was significantly lower than that of living runners and football players. However, humeral rigidity exceeded that of living athletes for the first ~5500 years of farming, with loading intensity biased heavily toward the upper limb. Interlimb strength proportions among Neolithic, Bronze Age, and Iron Age women were most similar to those of living semi-elite rowers. These results suggest that, in contrast to men, rigorous manual labor was a more important component of prehistoric women's behavior than was terrestrial mobility through thousands of years of European agriculture, at levels far exceeding those of modern women. PMID- 29209663 TI - Electronic medical record alert improves HCV testing for baby boomers in primary care setting: adults born during 1945-1965. AB - Method: This project aims to implement the HCV birth cohort screening guidelines over a 9-month period in the primary care setting at the University of Kansas Health System General Internal Medicine Division. The project team measured the number of patients in the baby boomer population who received a one-time screen for HCV. An electronic medical record (EMR) intervention was implemented to identify baby boomers who did not have an HCV screening or diagnosis. Additionally, education was provided to all primary care providers in the clinic to increase awareness of the HCV birth cohort screening. Results: The quality improvement methods increased the percentage of baby boomers who obtained a one time screening test for HCV from a baseline of 30% to a 55% screening rate during the nine-month project period. Conclusion: Identifying the HCV screening needs and creating a visual reminder in the EMR can be used to facilitate sustainable awareness and improvement of screening rates. The project team recognizes that continued work is required to close the HCV screening care gaps in the primary care setting. PMID- 29209664 TI - The impact of health information technology on patient safety. AB - Since the original Institute of Medicine (IOM) report was published there has been an accelerated development and adoption of health information technology with varying degrees of evidence about the impact of health information technology on patient safety. This article is intended to review the current available scientific evidence on the impact of different health information technologies on improving patient safety outcomes. We conclude that health information technology improves patient's safety by reducing medication errors, reducing adverse drug reactions, and improving compliance to practice guidelines. There should be no doubt that health information technology is an important tool for improving healthcare quality and safety. Healthcare organizations need to be selective in which technology to invest in, as literature shows that some technologies have limited evidence in improving patient safety outcomes. PMID- 29209665 TI - Beneficial effects of specific natural substances on oral health. AB - Substances that are consumed daily or occasionally may influence an individual's oral health. Some substances, such as alcohol, tobacco, and areca nut, adversely affect the oral region. However, some other substances, such as honey and green tea, which have antimicrobial properties, and berries, which have anticarcinogenic potential, exhibit beneficial effects on oral health. The effectiveness of synthetic drugs in maintaining oral health cannot be ignored; however, the benefits of synthetic drugs are associated with adverse effects and high costs. By contrast, the medicinal use of natural substances is associated with safety, affordability, and long-term benefits. In this paper, we review various natural substances that are potentially beneficial to oral health. PMID- 29209666 TI - Novel duplication mutation of the DYSF gene in a Pakistani family with Miyoshi Myopathy. AB - OBJECTIVES: To identify the underlying gene mutation in a large consanguineous Pakistani family. Methods: This is an observational descriptive study carried out at the Department of Biochemistry, Shifa International Hospital, Quaid-i-Azam University, and Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan from 2013-2016. Genomic DNA of all recruited family members was extracted and the Trusight one sequencing panel was used to assess genes associated with a neuro-muscular phenotype. Comparative modeling of mutated and wild-type protein was carried out by PyMOL tool. Results: Clinical investigations of an affected individual showed typical features of Miyoshi myopathy (MM) like elevated serum creatine kinase (CK) levels, distal muscle weakness, myopathic changes in electromyography (EMG) and muscle histopathology. Sequencing with the Ilumina Trusight one sequencing panel revealed a novel 22 nucleotide duplication (CTTCAACTTGTTTGACTCTCCT) in the DYSF gene (NM_001130987.1_c.897-918dup; p.Gly307Leufs5X), which results in a truncating frameshift mutation and perfectly segregated with the disease in this family. Protein modeling studies suggested a disruption in spatial configuration of the putative mutant protein. Conclusion: A novel duplication of 22 bases (c.897_918dup; p.Gly307Leufs5X) in the DYSF gene was identified in a family suffering from Miyoshi myopathy. Protein homology analysis proposes a disruptive impact of this mutation on protein function. PMID- 29209667 TI - Narcolepsy in Saudi patients before and after the 2009 H1N1 vaccination. The experience of 2 referral centers. AB - OBJECTIVES: To assess the number of Saudi patients diagnosed with narcolepsy in 2 tertiary centers before and after the introduction of the 2009 A(H1N1)pdm09 vaccine. Methods: We started collecting data after the first international report of an association between the A(H1N1)pdm09 vaccine and narcolepsy between January 2010 and December 2016. All patients diagnosed with narcolepsy after 2009 were included and data were collected for 7 years to account for any possible delays in the diagnosis of narcolepsy. Results: One-hundred and seventy-three patients with narcolepsy were identified. The majority (144 patients, 83%) had symptom onset before June 2009. Only 29 patients (17%) had symptom onset after 2009. No difference in the annual number of narcolepsy cases was found before and after 2009. Conclusion: Based on data obtained from 2 tertiary care sleep disorders center, there was no increase in the number of cases of narcolepsy among Saudis following the introduction of the influenza A(H1N1)pdm09 vaccination. PMID- 29209668 TI - Salivary parameters among Arabian snuff (Shammah) users. AB - OBJECTIVES: To evaluate the salivary flow rate (SFR), pH, and buffer capacity (BC) among healthy shammah users (SU) in comparison with healthy non-shammah users (NSU). Methods: This case-control study was conducted at the College of Dentistry, Jazan University, Jazan, Kingdom of Saudi Arabia between March 2016 and May 2017. A sample of 27 SU and 30 NSU were recruited. Unstimulated saliva was collected and SFR, pH, and BC were determined. Dental health was assessed using the decay-missing-filled teeth (DMFT) index. Results: Shammah users were slightly older than NSU (28.9+/-6.9 versus 24.9+/-4.3 years). Salivary flow rate was not significantly different, but pH (6.68+/-0.46) and BC (5.7+/-2.07) were significantly lower in SU users than in NSU (7+/-0.37; p=0.002 versus 8.1+/-1.47; p less than 0.001). Conversely, the DMFT in SU users was significantly higher (7.96+/-5.17) compared to that of NSU (4.53+/-3.46; p=0.007). Salivary pH and BC were significantly and directly correlated (rs= 0.576). The former was significantly and directly correlated with SFR (rs= 0.404), but the latter was not. In contrast, BC inversely correlated with decay (rs= -0.385) and DMFT (rs= 0.399). Conclusions: Shammah use is associated with alterations in saliva quality (pH and BC). It is also associated with poor dental health either through a direct effect or mediation by altered salivary parameters. PMID- 29209669 TI - Comparison of alveolar ridge splitting and autogenous onlay bone grafting to enable implant placement in patients with atrophic jaw bones. AB - OBJECTIVE: To compare alveolar ridge splitting (ARS) and autogenous onlay bone grafting (AOBG) in atrophic jaw bones. Methods: Forty patients were included in this retrospective, parallel-group study conducted at the Istanbul Medipol University School of Dentistry, Istanbul, Turkey, between 2012-2015. The initial bone thickness was measured by cone beam computed tomography (CBCT). Patients were allocated into ARS (n=17) and AOGB (n=23) groups on the basis of ridge thickness and shape. Follow-up CBCT measurements to assess horizontal bone were repeated 4 to 6 months post augmentation. The diameters of the implants were recorded. Implant bone resorption was measured at one year post implant placement on panoramic radiography. Surgical complications and implant survival were evaluated. Results: The final bone width in the AOBG group was significantly higher than that in the ARS group (p=0.029). Forty-four implants were inserted in the AOGB group, whereas 33 implants were inserted in the ARS group. There was no significant difference regarding implant diameter (p=0.920). Implant survival rate was 93.9% in the ARS group and 93.1% in the AOGB group. Peri-implant bone resorption at one year was higher in the AOBG group than in the ARS group (p=0.032). There were minor surgical complications, including bad split and wound dehiscence. Conclusion: The incidence of peri-implant bone resorption for the AOGB technique was higher than that for the ARS technique, but their implant survival rates were similar. PMID- 29209670 TI - Inflammatory parameters in sexually abused children. AB - OBJECTIVES: To investigate whether serum levels of cortisol, interleukin-6 and interleukin-10 differed between children with or without a sexual trauma. Methods: This descriptive study was conducted in the Department of Child Protective Service (CPS), Bursa Yuksek Ihtisas Training and Research Hospital, Bursa, Turkey, between May 2016 and July 2016. Three different markers (cortisol, interleukin-6 and interleukin-10) were used to perform this experiment. We included 17 children age less than 18 years old and sexually abused, and 10 children who were not abused as a control group. The levels of cortisol, interleukin-6, and interleukin-10 were measured in blood samples using enzyme linked immunosorbent assay method. The results of the experiment were statistically analyzed. Results: The findings indicate that serum levels of interleukin-6 were higher in the sexually abused children compared with the control group (p=0.002). There were no significant differences in the serum levels of cortisol (p=0.604) and interleukin-10 (p=0.835) between the sexually abused children and the control group. Conclusion: No significant differences were seen between the patients with or without sexual assault in terms of cortisol and IL-10 levels. It is found that in age-matched controls, SAC had higher IL-6 levels. PMID- 29209671 TI - Neck circumference as a marker of obesity and a predictor of cardiometabolic risk among Saudi subjects. AB - OBJECTIVES: To determine the optimal cutoff value for neck circumference (NC) that define overweight/obesity and assess its predictive potential for cardiometabolic risks (CMR) among Saudi subjects. Methods: A cross sectional study of 785 adults recruited from a public health awareness campaign in Medina, Saudi Arabia during June 2015. Waist circumference (WC), NC, body mass index (BMI), blood pressure (BP), and random blood glucose (RBG) were assessed, and the presence of CMR were collected by a questionnaire. Pearson's correlation coefficients were used to evaluate the associations of NC with other anthropometric indices and CMR. The optimal cutoff value for NC to identify overweight/obesity was determined by receiver operating characteristic (ROC) curves. Results: There were significant correlations between NC and BMI, weight, WC, age, RBG, and BP. The area under the curve for NC and WC in the ROC analysis was 0.86 for men and 0.77 for women, and NC >=39.25 cm for men and >=34.75 cm for women were the best cutoff levels for identifying subjects with central obesity with an 89% sensitivity and a 71% specificity for men and an 80% sensitivity and a 65% specificity for women. These cutoff levels for NC were associated with a significantly increased risk for diabetes, dyslipidemia, and hypertension. Conclusion: Neck circumference is positively correlated with BMI and WC, and can be used to identify overweight/obesity and predict CMR in Saudi individuals. PMID- 29209672 TI - Ultrasound-guided subcostal-posterior transversus abdominis plane block for pain control following laparoscopic sleeve gastrectomy. AB - OBJECTIVES: To investigate the analgesic effect of a subcostal-posterior transversus abdominis plane (TAP) block combination following laparoscopic sleeve gastrectomy. Methods: This study was conducted at Fatih Sultan Mehmet Educational and Research Hospital, Istanbul, Turkey, between March 2014 and June 2015. A total of 40 patients with a body mass index of 40-60 kg/m2 scheduled for laparoscopic sleeve gastrectomy were randomly allocated into 2 groups. Patients in Group I (n=20) received a bilateral subcostal TAP block, and patients in Group II (n=20) received a bilateral subcostal and posterior TAP block. Pain intensity was assessed at rest and during coughing using the visual analog scale (VAS) prior to and at various time points after TAP block (0 min, 30 min, 2 hours, 4 hours, 6 hours, 12 hours, and 24 hours). Morphine consumption over 24 hours and time to first morphine requirement were recorded. Results: There was no difference in VAS scores between groups. Morphine consumption was 6.78+/-5.95 mg in Group I, and 7.28+/-5.95 mg in Group II (p=0.795). Time to first morphine requirement was 267.22+/-303.84 min for Group I, and 207.80+/-209.81 min for Group II (p=0.154). Conclusions: Subcostal-posterior TAP block provided equivalent analgesia to subcostal TAP block alone following laparoscopic sleeve gastrectomy. PMID- 29209673 TI - Chronic urticaria in most patients is poorly controlled. Results of the development, validation, and real life application of the arabic urticaria control test. AB - OBJECTIVES: To translate and linguistically validate the urticaria control test (UCT) to/for Arabic speakers. No Arabic version of the UCT is available to assess disease control in patients with chronic urticaria (CU). Secondary objectives were to assess disease control in Lebanese CU patients and determine influence factors. METHODS: This is a prospective observational study of 178 CU patients diagnosed during their first visit to a private Allergy/Immunology Clinic, Hotel Dieu de France Hospital, Beirut, Lebanon between January and December 2014. RESULTS: Factor analysis showed that all 4 UCT items on the Arabic version converged over a solution of one factor. A high internal consistency was found with a Cronbach's alpha of 0.824. Most patients in this study had chronic spontaneous urticaria (96%), of which 19% also had inducible urticaria. The majority was less than 40 years (67.4%), with disease duration of less than 2 years (70.8%). Most patients used H1-antihistamines, but unfortunately, 34.3% used systemic glucocorticosteroids, of which 24.7% also used H1-antihistamines. The disease was poorly controlled in most patients (79.2%, UCT less than 12). Age, gender, duration, diagnosis, triggers, and/or history of atopy had no influence. CONCLUSION: We developed the first linguistically validated Arabic UCT to improve CU management in Arabic speaking patients. We also found that disease control was poor in most CU patients, and is unaffected by age, disease duration, gender, subtype, triggers, history of atopy, and/or previous treatments. PMID- 29209674 TI - Prevalence and determinants of antenatal depression among women attending primary health care centers in Western Saudi Arabia. AB - OBJECTIVES: To measure the prevalence of antenatal depression among pregnant women attending the primary health care (PHC) antenatal care clinics in Jeddah, Saudi Arabia and to determine associated factors. METHODS: Following a cross sectional study design, 320 pregnant women attending the antenatal care clinics in the Ministry of Health PHC Centers in Jeddah, Saudi Arabia between January 1st 2017 and February 15th 2017 were interviewed. A self-administered questionnaire used for data collection asked about socio-demographic variables and included the Edinburgh Postnatal Depression Scale. RESULTS: The most common contributor was the harming herself (mean+/-SD, 2.7+/-0.60). Factors significantly associated with depression among participants were the number of daughters, previous diagnosis of depression, and financial problems. CONCLUSIONS: The prevalence of antepartum depression among pregnant women in Jeddah is 57.5%, and the greatest contributor is the thought of harming herself. PMID- 29209675 TI - Serotype prevalence and antibiotic susceptibility patterns of pneumococcal isolates in Zunyi city, China. AB - OBJECTIVES: To assess the serotype distribution and antimicrobial susceptibility of pneumococci isolated from inpatients of all ages suspected of having bacterial infections. METHODS: In this retrospective study, pneumococcal isolates were consecutively collected from the Third Affiliated Hospital of Zunyi Medical University, in Zunyi city, China, between January 2014 and December 2016. Pneumococci were identified using routine microbiological assays. We performed antimicrobial susceptibility analyses using the bacteria identification/susceptibility system VITEK2 and E-tests. Capsular types of all isolates were determined by multiplex polymerase chain reaction. RESULTS: We identified 778 pneumococcal isolates. Serotypes 19F, 6A/6B, 19A, 23F, and 15B/15C were the most prevalent strains, accounting for 71.5% (556/778) of all isolates. Data show that 409 (70.4%) isolates could be covered by the PCV13 vaccine in children less than 2 years old. Irrespective of serotypes, 747 (96%) isolates were sensitive to penicillin, while 720 to 778 (90% to 100%) isolates were not susceptible to erythromycin, tetracycline, and trimethoprim/sulfamethoxazole. For isolates resistant to penicillin, ceftriaxone, cefotaxime, and meropenem, 22 to 39 (70% to 81.25%) strains belonged to PCV13 serotypes. CONCLUSION: We found a substantial increase in the annual number of pneumococcal isolates since 2014. The theoretical impact of PCV13 was high in children less than 2 years old, and penicillin might be effective against pneumococcal infections in this region. PMID- 29209676 TI - Fatal butane toxicity and delayed onset of refractory ventricular fibrillation. AB - A 30-year-old male was presented to the Emergency Department (ED) by the Emergency Medical Services (EMS). He was found unconscious but breathing normally, and had a seizure for more than 30 minutes. He was no previous history of systemic disease, previous operation, medication and any known allergy. According to the witnesses, he was alone in the coffee shop, and besides him was a lighter refill canister containing 250 ml extra purified butane gas, and he suddenly collapsed and had seizure. Six hours later, he developed ventricular fibrillation and he was not responding to amiodarone infusion, and 4 times defibrillation and cardioversion. He died after 45 minutes of resuscitation. PMID- 29209677 TI - Laparoscopic-assisted endorectal pull-through for Hirschsprung's disease. A retrospective study. AB - OBJECTIVES: To summarize the efficacy of the laparoscopic-assisted transanal endorectal pull-through procedure for Hirschsprung's disease (HD). METHODS: Between May 2006 and May 2013, 22 children with HD undergoing laparoscopic assisted endorectal pull-through procedures were retrospectively analyzed. The operative time, pathology, intraoperative blood loss, recovery time for gastrointestinal function, postoperative hospital stay, complications, and defecation functions of the patients were analyzed. RESULTS: The procedure was successfully completed in all 22 patients without conversion to open surgery. The operative time was 105-190 minutes (mean, 160.4 minutes), and the intraoperative blood loss was 20-50 ml. The mean time for the recovery of gastrointestinal function was 22 hours, and the mean postoperative hospital stay was 8 days. All patients had 1-3 defecations per day at 6 months postoperatively without constipation, soiling, or stoma stenosis. CONCLUSION: The laparoscopic-assisted transanal-endorectal pull-through procedure is a safe and feasible technique for patients with HD. PMID- 29209678 TI - A rare complication of metastatic lung disease treatment. AB - [No Abstract Available]. PMID- 29209679 TI - Comparing i-gel and Ambu AuraOnce laryngeal mask airway in pediatric patients. AB - [No Abstract Available]. PMID- 29209680 TI - Dengue fever in Saudi Arabia. AB - [No Abstract Available]. PMID- 29209681 TI - Is there a low prevalence of Helicobacter pylori infection in Jordanian patients with gastric cancer? AB - [No Abstract Available]. PMID- 29209682 TI - Erratum: Ambu AuraOnce versus i-gel laryngeal mask airway in infants and children undergoing surgical procedures. A randomized controlled trial. AB - [No Abstract Available]. PMID- 29209684 TI - Videolaparoscopic cholecystectomy in patients with previous abdominal surgery. Personal experience and literature review. AB - OBJECTIVES: Laparoscopic cholecystectomy (LC) is today the "gold standard" treatment of gallbladder stones. Role of LC is still debated in the presence of abdominal scars due to the frequent post-operative adhesions which make access to the peritoneal cavity difficult. This study aim to assess role and outcomes of LC on a previous abdominal surgery on the scarred abdomen. MATERIALS AND METHODS: We have carried out a retrospective study on 499 consecutive patients who had undergone LC from 2009 to 2015; 21 of these (4.2%) undergone previous abdominal surgery. In all 21 cases the pneumoperitoneum was established with Veress needle at the Palmer's point and the procedure was carried out after adhesiolysis in 62% of cases. RESULTS: The mean operative time was 79+/-12 minutes; none of the patients with previous abdominal surgery required conversion to open cholecystectomy and there were no postoperative complications related to Veress introduction or to the adhesiolysis. The difficult dissection and adhesiolysis were more frequent in the patients with upper abdomen scar (62%) respect to lower abdomen scar (38%). CONCLUSIONS: Patients with scarred abdomen for previous abdominal surgery had obviously more adhesions in the abdomen than patients without preceding surgery, but today previous abdominal surgery should not constitutes absolute contraindications to LC. Moreover, patients with previous lower abdominal incisions had fewer adhesions in the upper abdomen than did patients with upper incision and, probably, in these cases adhesiolysis is unnecessary, if the surgical field is well exposed whereas adhesiolysis is mandatory when the adhesions are thick and widespread, to the anterior and posterior abdominal wall. PMID- 29209683 TI - [Construction and validation of a tool for the evaluation of environmental risks and limitations to the manual handling of loads: cross-sectional study]. AB - INTRODUCTION: The manual handling of loads has a strong impact on many types of work. All health professionals, due to their job, are subjected to a high risk of disease from the manual handling of loads. TARGET: The purpose of our work has been therefore the construction and the validation of a specific tool for the evaluation of both environmental risks and individual limitations of the manual handling of loads / patients. MATERIALS AND METHODS: The questionnaire we created is composed of two main sections: the first section includes the registry card of the operator personal data while the second section, consisting of eleven items it is further organized into two sections/parts. The first part consists of four items about environmental risk factors, while the second part consists of seven items about generic limitations and the assessment of pain from manual handling of loads. RESULTS: The operators'health nurses, including those ones with a coordination responsibility, that are available in the structure are 704 while the response rate to the questionnaire was of 93.18%. The test-retest showed optimal values of the intra-class correlation coefficient (0.843) so demonstrating the absence of measurement errors in the two administrations. The values related to the internal consistency of the two sections of the questionnaire were greater than 0.80that also demonstrated the internal stability of the questionnaire. CONCLUSIONS: The tool we described therefore is to be intended as a means of assessment for environmental risks, restrictions on movement of loads and pain associated with the task. PMID- 29209685 TI - [Knowledge, attitude and behavior towards oral health: gender differences between parents]. AB - OBJECTIVES: The aim of this study is to compare the results of a survey carried out on a sample of mothers and fathers about the knowledge and personal attitudes towards their own oral health and in terms of attention to that of their children. Mutual analogy and cognitive and behavioral differences between parents have been evaluated; in particular as the early assumption of a healthy lifestyle can influence the proper development of their children. MATERIALS AND METHODS: This survey was conducted using a paper questionnaire distributed to a population of parents, men and women, in several private dental practices in Rome. The study lasted about three months. RESULTS: The results obtained from this study show that values obtained by mothers and fathers are essentially equivalent, there are no statistically significant differences (p> 0.05). CONCLUSIONS: This study has shown that there are no significant thinking and behavioral differences between parents regarding their oral hygiene and that of their children. Both parents have been shown to recognize the importance of continuous monitoring and to be aware of techniques and oral hygiene aids suitable for adults and children, although this knowledge is not always applied in daily lifestyles and oral hygiene. PMID- 29209686 TI - Neuromuscular taping enhances hand function in patients with systemic sclerosis: a pilot study. AB - Hand functioning is often impaired in patients with Systemic sclerosis. Neuromuscular Taping is a novel application of tape able to improve functioning. The aim of this study was to evaluate the possible role of this application in the hand functionality of patients with Systemic sclerosis. Women with a diagnosis of SSc has been recruited and evaluated using different scales before and immediately after NMT application and after one, three and six months. Fifty three women has been evaluated and Cochin Hand Functional Disability scale, Hand Mobility in Sclerodermia, Modified Rodnan Skin Score and Dreiser Algo - Functional Index scores showed statistical significant differences during all the period; moreover a reduction of pain and Raynaud Phenomenon's and an improvement of finger flexion has been observed. Application of NMT in patients with Systemic sclerosis have showed beneficial effect and future studies are needed to confirm these results. PMID- 29209687 TI - High risk of brain tumors in military personnel: a case control study. AB - Scientific literature suggests a relationship between military occupation and the development of brain tumors, but no italian study has investigated on the impact of this job on the brain cancer morbidity. In this a study information were obtained from patients recruited in the Neurosurgical Department of the University-Hospital of Pisa, Italy, from 1990 to 1999. The study has been conducted as a case-control study. 161, newly diagnosed cases of brain tumors (glioma and meningiomas, histologically confirmed), were recruited, such as 483 controls (with other non tumoral neurologic diseases: trauma, hemorrhagic brain disorders, aneurism, etc), by matching cases and controls (1:3), for age (+/- 5 years) and gender. Cases and controls were interviewed in the Neurosurgical Department, University-Hospital of Pisa, Italy, and the occupational histories of cases and controls were compared. Cases and controls have showed a statistically significant difference, based on their occupation (military vs. non-military occupation). A statistically significant association was seen between brain tumors and military occupation among evaluated patients (p=0.013). Further studies regarding this population group are needed, to determine the causes for the increased risk of this cancer. Furthermore, a subsequent reevaluation in other patients collected in more recent years will be needed to evaluate the trend of this association. PMID- 29209689 TI - Could a vitamin D deficiency cause a combined long-term FEV1 and bone mineral density deterioration in female asthmatics? AB - OBJECTIVES: We already know that asthma is associated to osteoporosis/osteopenia and characterized by an accelerated lung function decline. Our study aimed at assessing whether lung function decline and bone mineral density (BMD) deterioration in time were associated in a group of female long-standing asthmatics. We also tried to understand whether these two aspects were related to ICS treatment and vitamin D levels. METHODS: 35 female asthmatics were retrospectively analysed. Results of methacholine challenge test at asthma onset, FEV1%, bone density scan at moment of recruitment and after at least 5years later were considered. RESULTS: A significant positive relationship between femoral-t scores changes and FEV1 decline was found after a median follow-up time of 7 [6 9] years (r=0.43;p=0.04). Femoral-t-score variations and vitamin D values were also significantly related (r=0.669;p=0.024). Furthermore, we found that FEV1 decline was worse in subjects with lower vitamin D levels (-57.5[-80.4 35.9]ml/year), compared to those with normal vitamin D rates (12[-16 23.6]ml/year;p=0.055). Femoral/vertebral t-score changes, as well as FEV1, decline were not associated to the use of medium/high ICS doses when compared to subjects treated with low ICS dosages. CONCLUSIONS: FEV 1 decline and BMD deterioration in time observed in a group of female asthmatics were associated; low vitamin D levels may be the link. PMID- 29209688 TI - Correlation between benzene and testosterone in workers exposed to urban pollution. AB - AIM: Many studies have examined the effects of benzene on testosterone. The purpose of this study was to evaluate the possible correlation between the blood levels of benzene and the levels of testosterone. MATERIALS AND METHODS: The study involved a group of 148 subjects. For every worker have been made out a blood sample for the evaluation of benzene and testosterone levels and an urine analysis for the evaluation of the levels of trans, trans-muconic acid and S phenylmercapturic acid. We estimated the Pearson correlation coefficient between the variables in the sample and the urinary metabolites, age, length of service, gender, BMI. For the analysis of the major confounding factors it was performed a multiple linear regression. RESULTS: The Pearson correlation coefficiet showed: 1. a significant inverse correlation between the S-phenyl mercapturic acid and free testosterone; 2. a significant direct correlation between trans-trans muconic acid and BMI. After dividing the sample according to the median of blood benzene (161.0 ng / L), Pearson correlation coefficient showed a significant inverse correlation between the S-phenyl mercapturic acid and free testosterone in the group with values below this median. CONCLUSIONS: Our results, to be considered preliminary, suggest that occupational exposure to low levels of benzene, present in urban pollution, affect the blood levels of testosterone. These results need to be confirmed in future studies, with the eventual possibility of including more specific fertility tests. PMID- 29209690 TI - Prosthetic rehabilitation involving the use of implants following a fibula free flap reconstruction in the treatment of Osteosarcoma of the maxilla: a case report. AB - INTRODUCTION: Osteosarcoma is an aggressive primary bone tumor composed of connective tissue cells directly producing osteoid and bone. Prosthetic rehabilitations in post-oncological patients after bone reconstruction are not substantially different than those of patients affected by severe atrophy of upper or lower jaw after bone reconstruction. The treatment for patients with a malignant neoplasia of the oral cavity requires multidisciplinary approach by a team of different specialists that follow the patient through the phases of diagnosis, therapy and oral rehabilitation. Reconstructive surgery of jaws using vascularized free flap allows a significant gain of tissues that enables a successful final prosthetic rehabilitation. In fact main prosthetics difficulties result from lack of hard and soft tissues in affected area. Reconstructed patients have a greater ease of care management. CASE PRESENTATION: A 25-year-old Caucasian male was diagnosed with chondroblastic osteosarcoma of the pre-maxilla. The patient initially noticed the displacement of his maxillary incisors with progression into a definite swelling of the pre-maxillary a month later. Computerized Tomographic Scan and Radionuclide Bone Scan revealed the absence of both distant metastasis and regional nodal involvement. A biopsy and subsequent histopathology examination confirmed the lesion as being a chondroblastic type of osteosarcoma. The case study directed us to rehabilitate the patient by implant supported prosthesis consisting 3 different components: a titanium base screwed on implants, a titanium structure (primary structure) assembled on the base and a composite coatedstructure (secondary structure) that reproduced teeth and gum. At surgery, we proceeded placing 6 dental implants in 1.4, 1.3 1.2, 2.1, 2.2 and 2.4 positions. Contextually was performed a bone graft using particulate bone and collagen membranes. CONCLUSIONS: Prosthetic rehabilitation in Maxillofacial Osteosarcoma treatment is an hard challenge for prosthodontist due to anatomic conditions of this kind of patients. Dental implants play a crucialrole in the therapy of patients affected by malignancies in the head-and-neck region. The goal of implant rehabilitationis to improve the quality of life of these patients by allowing proper retention of removable prostheses and a reduction in the load placed on vulnerable soft tissues. Today prosthetically guided rehabilitation represents the main rehabilitation protocol in prosthodontics, especially in those oncological patients with relevant lost of tissues and modified anatomy. PMID- 29209691 TI - A case of Infective Endocarditis due to Salmonella enterica phagetype 35. First report. AB - Infective Endocarditis (IE) has high morbidity and mortality. To date, in addition to classic Gram-positive pathogens were isolated exigent Gram negative bacteria responsible of endocarditis as A. baumannii, A. lwoffii, C. burnetii, Bartonella, Chlamydia and Legionella. We report our experience about the isolation of Salmonella enterica phagetype 35 (PT35) from blood heart cavity of a 74-year-old woman after having consumed a portion of baked pasta bought in a rotisserie. Cardiovascular infections due to Salmonella enterica are infrequently reported, so their clinical features, prognosis, and optimal treatment are not completely known. To the best of our knowledge, after careful evaluation of existing literature, this is the first report of endocarditis due S. enterica PT 35. PMID- 29209692 TI - Hackathon Public Health. AB - BACKGROUND: It is necessary to implement current teaching in the healthcare and university sector by promoting new tools for the enhancement of public health, bearing in mind that some health determinants seek to create a context in which to present their own idea of innovative Startup, can represent the opportunity to give your professional contribution to the development of another's idea or to propose an improved solution to the private business. On the other hand, networking with companies and networking between training participants will allow us to recognize the importance of demonstrating their diverse skills as a key element to create a successful Startup or to implement the activities of a reality already consolidated. METHODS: This paper describes the research protocol of a Hackathon Public Health (HPH) teaching methodology aimed at: a) increasing public health knowledge; b) changing the proactive approach of the healthcare provider, especially by increasing the sectoral training activity; c) to promote educational and training activities in Italian regions. The subjects involved will be healthcare professionals (doctors, nurses, health professions, psychologists, biologists, assistants in training) who are selected to receive or not the intervention through the implementation of a HPH which also includes training activity. CONCLUSIONS: HPH is an innovation in the national health landscape, with the aim of creating environments and training policies aimed at promoting proper clinical risk management as part of the continuous improvement of the quality of healthcare organizations and proper training activities. PMID- 29209693 TI - Health self-perception in patient with Crohn's disease: a web survey. AB - BACKGROUND: Crohn's Disease (CD) has an incidence on the physical and psychological autonomy of the patient, such as to alter their daily life. The impact of the disease on the daily life of the patients is related to the symptoms and complications of the disease. Patient autonomy and participation in social and work life are the goals that nurses must reach for patients with CD to improve their quality of life. AIM: To measure the perception of the health of people with a diagnosis of CD. METHOD: Review of the literature on PubMed, and internet sites. Administration on the web of the standardised questionnaire Short Form Health Survey (SF-12). RESULTS: A total of 228 patients with CD completed valid questionnaires and were enrolled. The SF-12 questionnaire scores make it possible to build a physical health index (PCS) with a median value of 36,10 (min 33,8; max 42,4) and mental health index (MCS) with a median value of 36,04 (min 28.5; max 38,4). There were statistically significant data related to the achievement of the degree with median 41.9 (min 35,1; max 48,4) compared to non graduates with a p<0.001 and in relation to the employment level (median 37.9 min/max 34,7/46,7) compared to unemployed and inactive with a p = 0.03. CONCLUSION: Despite the inevitable complications of the disease (intestinal and extra-intestinal symptoms), most of our sample did not exhibit significant physical limitations (surgical intervention, stomach packaging which generally causes a decrease in libido in both male and female patients ). The nurse cares for a patient with CD must have not only technical skills and specialist skills, but a holistic vision of the patient. Despite some findings in this study, this research orientation deserves more attention. PMID- 29209694 TI - Workers safety in public psychiatric services: problems, laws and protections. AB - The dramatic case of murder of a psychiatrist during her service in her public office (Centro di Salute Mentale of Bari-Liberta) has led the authors to reflect on the safety of workplaces, in detail of public psychiatric services. It is in the light of current legislation, represented by the Legislative Decree of April 9th, 2008 no. 81, which states the implementing rules of Law 123/2007. In particular, the Authors analyzed the criticalities of the application of this Law, with the aim of safeguarding the health and safety of the workers in all psychiatric services (nursing departments, outpatient clinics, community centers, day care centers, etc.). The Authors suggest the need to set up an articulated specific organizational system of risk assessment of psychiatric services, that can prevent and protect the workers from identified risks, and finally to ensure their active participation in prevention and protection activities, in absence of which specific profiles of responsibility would be opened up to the employers. PMID- 29209695 TI - Cosmetic surgery for children and adolescents. Deontological and bioethical remarks. AB - The only interventions deemed ethically acceptable are those that serve the "objective interest" of the minors involved from the standpoint of and conducive to sound mental health and balance in a patient's teenage years; by the same token, disproportionate interventions (e.g. overly invasive or pointlessly risky), or all those deemed unsuitable with regards to a poor cost-benefit ratio are viewed as unacceptable. In the process of considering the best interest of the minors involved, a wide array of factors come into play, such as: age, maturity, psychological and emotional conditions, motivations put forth by the underage patient, the opportunity to procrastinate the operation: parents, who are naturally entitled to give consent to the surgical procedures, and physicians are primarily liable to safeguard and act in the minor's best interest. The authors attempt to lay out how medical science has evolved over the past century, and aim to set forth an array of considerations centered on cosmetic surgery for adolescents. PMID- 29209696 TI - Serial dependencies act directly on perception. AB - There is good evidence that biological perceptual systems exploit the temporal continuity in the world: When asked to reproduce or rate sequentially presented stimuli (varying in almost any dimension), subjects typically err toward the previous stimulus, exhibiting so-called "serial dependence." At this stage it is unclear whether the serial dependence results from averaging within the perceptual system, or at later stages. Here we demonstrate that strong serial dependencies occur within both perceptual and decision processes, with very little contribution from the response. Using a technique to isolate pure perceptual effects (Fritsche, Mostert, & de Lange, 2017), we show strong serial dependence in orientation judgements, over the range of orientations where theoretical considerations predict the effects to be maximal. In a second experiment we dissociate responses from stimuli to show that serial dependence occurs only between stimuli, not responses. The results show that serial dependence is important for perception, exploiting temporal redundancies to enhance perceptual efficiency. PMID- 29209698 TI - Articulatory Kinematic Characteristics Across the Dysarthria Severity Spectrum in Individuals With Amyotrophic Lateral Sclerosis. AB - Purpose: The current study investigated whether articulatory kinematic patterns can be extrapolated across the spectrum of dysarthria severity in individuals with amyotrophic lateral sclerosis (ALS). Method: Temporal and spatial articulatory kinematic data were collected using electromagnetic articulography from 14 individuals with dysarthria secondary to ALS and 6 typically aging speakers. Speech intelligibility and speaking rate were used as indices of severity. Results: Temporal measures (duration, speed of articulators) were significantly correlated with both indices of severity. In speakers with dysarthria, spatial measures were not correlated with severity except in 3 measures: tongue movement displacement was more reduced in the anterior-posterior dimension; jaw movement distance was greater in the inferior-superior dimension; jaw convex hull area was larger in speakers with slower speaking rates. Visual inspection of movement trajectories revealed that overall spatial kinematic characteristics in speakers with severe dysarthria differed qualitatively from those in speakers with mild or moderate dysarthria. Unlike speakers with dysarthria, typically aging speakers displayed variable tongue movement and minimal jaw movement. Conclusions: The current study revealed that spatial articulatory characteristics, unlike temporal characteristics, showed a complicated pattern across the severity spectrum. The findings suggest that articulatory characteristics in speakers with severe dysarthria cannot simply be extrapolated from those in speakers with mild-to-moderate dysarthria secondary to ALS. PMID- 29209697 TI - False Belief Development in Children Who Are Hard of Hearing Compared With Peers With Normal Hearing. AB - Purpose: This study investigates false belief (FB) understanding in children who are hard of hearing (CHH) compared with children with normal hearing (CNH) at ages 5 and 6 years and at 2nd grade. Research with this population has theoretical significance, given that the early auditory-linguistic experiences of CHH are less restricted compared with children who are deaf but not as complete as those of CNH. Method: Participants included CHH and CNH who had completed FB tasks as part of a larger multicenter, longitudinal study on outcomes of children with mild-to-severe hearing loss. Both cross-sectional and longitudinal data were analyzed. Results: At age 5 years, CHH demonstrated significant delays in FB understanding relative to CNH. Both hearing status and spoken-language abilities contributed to FB performance in 5-year-olds. A subgroup of CHH showed protracted delays at 6 years, suggesting that some CHH are at risk for longer term delays in FB understanding. By 2nd grade, performance on 1st- and 2nd-order FBs did not differ between CHH and CNH. Conclusions: Preschool-age CHH are at risk for delays in understanding others' beliefs, which has consequences for their social interactions and pragmatic communication. Research related to FB in children with hearing loss has the potential to inform our understanding of mechanisms that support social-cognitive development, including the roles of language and conversational access. PMID- 29209699 TI - The First Step to Early Intervention Following Diagnosis: Communication in Pediatric Hearing Aid Orientation Sessions. AB - Purpose: This preliminary study aimed to explore communication processes and information exchange in pediatric hearing aid orientation (HAO) sessions. Effective information exchange in such sessions is crucial to support appropriate hearing aid use. Method: Using a qualitative sociolinguistic framework, we recorded and analyzed 5 HAO sessions between 2 audiologists and 5 caregivers of children who had just been fitted with hearing aids. We also conducted semistructured interviews with the audiologists and caregivers and analyzed these using content analysis. Results: By necessity, audiologists provide a significant amount of information about hearing aids to caregivers in HAO sessions. Although caregivers in our study recalled and understood certain points such as the importance of not getting the hearing aids wet, crucial information about insertion and cleaning was often not recalled. Some caregivers misunderstood how the hearing aids would assist their child. Conclusions: Caregivers need time to practice and absorb the information given, particularly given the emotional aspects associated with the diagnosis and "switch-on." There is a need to revisit approaches to information giving, which align with the ongoing early intervention process. We offer some suggestions for improving HAO sessions and information giving about hearing aids. PMID- 29209700 TI - Early Development of Emotional Competence (EDEC) Assessment Tool for Children With Complex Communication Needs: Development and Evidence. AB - Purpose: This article introduces and provides initial data supporting "The Early Development of Emotional Competence (EDEC): A tool for children with complex communication needs (CCNs)." The EDEC was developed to raise awareness about the relation of language and emotional competence and to maximize the likelihood that intervention includes language to discuss emotions in ways that are consistent with the values and goals of the family. Method: First, the theoretical and clinical foundations of the EDEC development were discussed. Then, a description of preferred translation practices was provided, with examples of Korean and Mandarin Chinese translations. Finally, initial data from a pilot study with two sociocultural communities (i.e., 10 American and 10 Korean mothers of children developing typically) were presented to demonstrate the potential of the tool. Results: The pilot test offered preliminary support for the sensitivity of the EDEC. The tool solicited responses reflecting cultural differences between American and Korean mothers' perception of a child's emotional skills and mother child conversation about emotions as predicted based on many cross-cultural studies in emotion. Conclusions: The information elicited from the EDEC shows promise for enabling culturally natural conversation about emotions with appropriate vocabulary and phrases in their augmentative and alternative communication systems. Supplemental Materials: https://doi.org/10.23641/asha.5643076. PMID- 29209701 TI - Factors Associated With Depression in Patients With Tinnitus and Hyperacusis. AB - Purpose: The purpose of this study was to assess factors associated with depression for patients with tinnitus and hyperacusis. Method: Data were gathered from the records of 620 consecutive patients who sought help concerning their tinnitus or hyperacusis from an audiology clinic in the United Kingdom. Results: One third of the patients had borderline abnormal or abnormal scores on the Depression subscale of the Hospital Anxiety and Depression Scale (HADS-D). Linear regression models showed that HADS-D scores were related to scores for tinnitus handicap, tinnitus loudness, and uncomfortable loudness levels. Mediation analyses showed that (a) the influence of tinnitus handicap scores on HADS-D scores was mainly mediated via the effects of insomnia, hyperacusis, and anxiety; (b) the influence of tinnitus loudness scores on HADS-D scores was fully mediated via the effects of tinnitus handicap, insomnia, hyperacusis handicap, and anxiety; (c) and the small influence of uncomfortable loudness levels on HADS-D scores was fully mediated by hyperacusis handicap and anxiety. Conclusion: Those involved in the management of patients with tinnitus and/or hyperacusis should use a wide range of instruments to assess the full impact of tinnitus on a patient's life and should be prepared to refer a patient for treatment for depression, especially when the patient has anxiety, hyperacusis, and/or insomnia. PMID- 29209702 TI - Body-on-a-Chip Reveals Multitissue Interactions During Drug Exposure. PMID- 29209703 TI - The Success of State Newborn Screening Policies for Critical Congenital Heart Disease. PMID- 29209705 TI - Heart Failure Survey Is a First in FDA's Device Innovation Effort. PMID- 29209704 TI - High-Cutoff Hemodialysis in Myeloma Cast Nephropathy. PMID- 29209706 TI - Support for Treating Opioid Addiction With Medication. PMID- 29209707 TI - Treatment for Aggressive Lymphoma. PMID- 29209709 TI - Treating Specific Variants Causing Cystic Fibrosis. PMID- 29209710 TI - "Hopefully . . ." PMID- 29209711 TI - The FDA's Expedited Programs and Clinical Development Times for Novel Therapeutics, 2012-2016. PMID- 29209712 TI - Vitamin D Supplementation and Upper Respiratory Tract Infections in Children. PMID- 29209713 TI - Length of Stay After Overlapping Surgery. PMID- 29209714 TI - The Future of Radiology. PMID- 29209715 TI - The Future of Radiology. PMID- 29209716 TI - Vitamin D Supplementation and Upper Respiratory Tract Infections in Children Reply. PMID- 29209717 TI - Length of Stay After Overlapping Surgery-Reply. PMID- 29209719 TI - JAMA Network Articles of the Year. PMID- 29209718 TI - The Future of Radiology-Reply. PMID- 29209720 TI - Association of US State Implementation of Newborn Screening Policies for Critical Congenital Heart Disease With Early Infant Cardiac Deaths. AB - Importance: In 2011, critical congenital heart disease was added to the US Recommended Uniform Screening Panel for newborns, but whether state implementation of screening policies has been associated with infant death rates is unknown. Objective: To assess whether there was an association between implementation of state newborn screening policies for critical congenital heart disease and infant death rates. Design, Setting, and Participants: Observational study with group-level analyses. A difference-in-differences analysis was conducted using the National Center for Health Statistics' period linked birth/infant death data set files for 2007-2013 for 26 546 503 US births through June 30, 2013, aggregated by month and state of birth. Exposures: State policies were classified as mandatory or nonmandatory (including voluntary policies and mandates that were not yet implemented). As of June 1, 2013, 8 states had implemented mandatory screening policies, 5 states had voluntary screening policies, and 9 states had adopted but not yet implemented mandates. Main Outcomes and Measures: Numbers of early infant deaths (between 24 hours and 6 months of age) coded for critical congenital heart disease or other/unspecified congenital cardiac causes for each state-month birth cohort. Results: Between 2007 and 2013, there were 2734 deaths due to critical congenital heart disease and 3967 deaths due to other/unspecified causes. Critical congenital heart disease death rates in states with mandatory screening policies were 8.0 (95% CI, 5.4-10.6) per 100 000 births (n = 37) in 2007 and 6.4 (95% CI, 2.9-9.9) per 100 000 births (n = 13) in 2013 (for births by the end of July); for other/unspecified cardiac causes, death rates were 11.7 (95% CI, 8.6-14.8) per 100 000 births in 2007 (n = 54) and 10.3 (95% CI, 5.9-14.8) per 100 000 births (n = 21) in 2013. Early infant deaths from critical congenital heart disease through December 31, 2013, decreased by 33.4% (95% CI, 10.6%-50.3%), with an absolute decline of 3.9 (95% CI, 3.6-4.1) deaths per 100 000 births after states implemented mandatory screening compared with prior periods and states without screening policies. Early infant deaths from other/unspecified cardiac causes declined by 21.4% (95% CI, 6.9%-33.7%), with an absolute decline of 3.5 (95% CI, 3.2-3.8) deaths per 100 000 births. No significant decrease was associated with nonmandatory screening policies. Conclusions and Relevance: Statewide implementation of mandatory policies for newborn screening for critical congenital heart disease was associated with a significant decrease in infant cardiac deaths between 2007 and 2013 compared with states without these policies. PMID- 29209723 TI - Active Surveillance for Prostate Cancer. PMID- 29209722 TI - Association Between Treatment by Locum Tenens Internal Medicine Physicians and 30 Day Mortality Among Hospitalized Medicare Beneficiaries. AB - Importance: Use of locum tenens physicians has increased in the United States, but information about their quality and costs of care is lacking. Objective: To evaluate quality and costs of care among hospitalized Medicare beneficiaries treated by locum tenens vs non-locum tenens physicians. Design, Setting, and Participants: A random sample of Medicare fee-for-service beneficiaries hospitalized during 2009-2014 was used to compare quality and costs of hospital care delivered by locum tenens and non-locum tenens internal medicine physicians. Exposures: Treatment by locum tenens general internal medicine physicians. Main Outcomes and Measures: The primary outcome was 30-day mortality. Secondary outcomes included inpatient Medicare Part B spending, length of stay, and 30-day readmissions. Differences between locum tenens and non-locum tenens physicians were estimated using multivariable logistic regression models adjusted for beneficiary clinical and demographic characteristics and hospital fixed effects, which enabled comparisons of clinical outcomes between physicians practicing within the same hospital. In prespecified subgroup analyses, outcomes were reevaluated among hospitals with different levels of intensity of locum tenens physician use. Results: Of 1 818 873 Medicare admissions treated by general internists, 38 475 (2.1%) received care from a locum tenens physician; 9.3% (4123/44 520) of general internists were temporarily covered by a locum tenens physician at some point. Differences in patient characteristics, demographics, comorbidities, and reason for admission between locum tenens and non-locum tenens physicians were not clinically relevant. Treatment by locum tenens physicians, compared with treatment by non-locum tenens physicians (n = 44 520 physicians), was not associated with a significant difference in 30-day mortality (8.83% vs 8.70%; adjusted difference, 0.14%; 95% CI, -0.18% to 0.45%). Patients treated by locum tenens physicians had significantly higher Part B spending ($1836 vs $1712; adjusted difference, $124; 95% CI, $93 to $154), significantly longer mean length of stay (5.64 days vs 5.21 days; adjusted difference, 0.43 days; 95% CI, 0.34 to 0.52), and significantly lower 30-day readmissions (22.80% vs 23.83%; adjusted difference, -1.00%; 95% CI -1.57% to -0.54%). Conclusions and Relevance: Among hospitalized Medicare beneficiaries treated by a general internist, there were no significant differences in overall 30-day mortality rates among patients treated by locum tenens compared with non-locum tenens physicians. Additional research may help determine hospital-level factors associated with the quality and costs of care related to locum tenens physicians. PMID- 29209721 TI - Effect of High-Cutoff Hemodialysis vs Conventional Hemodialysis on Hemodialysis Independence Among Patients With Myeloma Cast Nephropathy: A Randomized Clinical Trial. AB - Importance: Cast nephropathy is the main cause of acute kidney injury in multiple myeloma and persistent reduction in kidney function strongly affects prognosis. Strategies to rapidly remove nephrotoxic serum-free light chains combined with novel antimyeloma agents have not been evaluated prospectively. Objective: To compare the hemodialysis independence rate among patients newly diagnosed with myeloma cast nephropathy treated with hemodialysis using a high-cutoff dialyzer (with very large membrane pores and high permeability to immunoglobulin light chains) or a conventional high-flux dialyzer (with small pores and lower permeability). Design, Setting, and Participants: Randomized clinical trial involving 98 patients with biopsy-proven myeloma cast nephropathy requiring hemodialysis treated at 48 French centers between July 2011 and June 2016; the final date of follow-up was June 29, 2016. Interventions: Intensive hemodialysis (eight 5-hour sessions over 10 days) with either a high-cutoff dialyzer (46 patients) or a conventional high-flux dialyzer (48 patients). All patients received the same chemotherapy regimen of bortezomib and dexamethasone. Main Outcomes and Measures: Primary end point was hemodialysis independence at 3 months; secondary end points: hemodialysis independence rates at 6 and 12 months, hemodialysis- and chemotherapy-related adverse events, and death. Results: Among 98 randomized patients, 94 (96%) (median age, 68.8 years [interquartile range, 61.2-75.3 years]; 45% women) were included in the modified intent-to-treat analysis. The hemodialysis independence rate at 3 months was 41.3% (n = 19) in the high-cutoff hemodialysis group vs 33.3% (n = 16) in the conventional hemodialysis group (between-group difference, 8.0% [95% CI, -12.0% to 27.9%], P = .42); at 6 months, the rate was 56.5% (n = 26) vs 35.4% (n = 17), respectively (between-group difference, 21.1% [95% CI, 0.9% to 41.3%], P = .04); and at 12 months, the rate was 60.9% (n = 28) vs 37.5% (n = 18) (between-group difference, 23.4% [95% CI, 3.2% to 43.5%], P = .02). The incidence of hemodialysis-related adverse events was 43% in the high-cutoff hemodialysis group vs 39% in the conventional hemodialysis group; chemotherapy-related serious adverse events, 39% vs 37%, respectively; and at 12 months, 9 patients vs 10 patients died. Conclusions and Relevance: Among patients with myeloma cast nephropathy treated with a bortezomib-based chemotherapy regimen, the use of high-cutoff hemodialysis compared with conventional hemodialysis did not result in a statistically significant difference in hemodialysis independence at 3 months. However, the study may have been underpowered to identify an early clinically important difference. Trial Registration: clinicaltrials.gov Identifier: NCT01208818. PMID- 29209725 TI - Moral Choices for Today's Physician. PMID- 29209727 TI - Sentence-Level Movements in Parkinson's Disease: Loud, Clear, and Slow Speech. AB - Purpose: To further understand the effect of Parkinson's disease (PD) on articulatory movements in speech and to expand our knowledge of therapeutic treatment strategies, this study examined movements of the jaw, tongue blade, and tongue dorsum during sentence production with respect to speech intelligibility and compared the effect of varying speaking styles on these articulatory movements. Method: Twenty-one speakers with PD and 20 healthy controls produced 3 sentences under normal, loud, clear, and slow speaking conditions. Speech intelligibility was rated for each speaker. A 3-dimensional electromagnetic articulograph tracked movements of the articulators. Measures included articulatory working spaces, ranges along the first principal component, average speeds, and sentence durations. Results: Speakers with PD demonstrated significantly smaller jaw movements as well as shorter than normal sentence durations. Between-speaker variation in movement size of the jaw, tongue blade, and tongue dorsum was associated with speech intelligibility. Analysis of speaking conditions revealed similar patterns of change in movement measures across groups and articulators: larger than normal movement sizes and faster speeds for loud speech, increased movement sizes for clear speech, and larger than normal movement sizes and slower speeds for slow speech. Conclusions: Sentence-level measures of articulatory movements are sensitive to both disease related changes in PD and speaking-style manipulations. PMID- 29209728 TI - Conceptual Scoring and Classification Accuracy of Vocabulary Testing in Bilingual Children. AB - Purpose: This study examined the effects of single-language and conceptual scoring on the vocabulary performance of bilingual children with and without specific language impairment. We assessed classification accuracy across 3 scoring methods. Method: Participants included Spanish-English bilingual children (N = 247) aged 5;1 (years;months) to 11;1 with and without specific language impairment. Children completed the English and bilingual versions of the Expressive One-Word Picture Vocabulary Test-Third Edition (Brownell, 2000a, 2001). Six scores, 2 representing monolingual scores in English and Spanish and 4 conceptual scores, were derived. The conceptual scores included within-test conceptual scores, which credited language responses in the other language during test administration, and across-test conceptual scores, which we compiled by examining responses across independent administrations of the test in each language. Results: Across-test conceptual scoring resulted in the highest scores and better overall classification, sensitivity, and specificity than within-test conceptual scoring. Both were superior to monolingual scoring; however, none of the methods achieved minimum standards of 80% accuracy in sensitivity and specificity. Conclusions: Results suggest that bilingual children are not always able to readily access their other language in confrontation naming tasks. Priming or inhibition may play a role in test performance. Across-test conceptual scoring yielded the highest classification accuracy but did not meet minimum standards. PMID- 29209729 TI - Percent Grammatical Responses as a General Outcome Measure: Initial Validity. AB - Purpose: This report investigated the validity of using percent grammatical responses (PGR) as a measure for assessing grammaticality. To establish construct validity, we computed the correlation of PGR with another measure of grammar skills and with an unrelated skill area. To establish concurrent validity for PGR, we computed the correlation of PGR with a previously validated measure of grammaticality, percent grammatical utterances (PGU), and examined the extent to which PGR and PGU agreed upon pass/fail decisions for children. Method: Participants included 79 3-year-olds from mostly middle socioeconomic status homes. Language samples were elicited by asking children to describe 15 pictures in response to 4 questions per picture. To calculate PGU, children's responses to all 4 questions were segmented into communication units, and each communication unit was evaluated for grammatical errors. To calculate PGR, the entire response to just the first question was evaluated for grammatical errors. Results: PGR scores significantly correlated with a standardized test of grammar (r = .70), but not with a measure of vocabulary (i.e., type-token ratio; r = .11). In addition, PGR scores were significantly correlated with PGU scores (r = .88). Agreement between PGR and PGU was 92% for pass decisions and 94% for fail decisions. Conclusions: The current study establishes the construct validity of PGR as a measure of grammar and supports the use of PGR as a measure to assess grammaticality. PMID- 29209730 TI - Enhanced Identification of Long Versus Short Voice Onset Time Consonant-Vowel Syllables in a Dichotic Listening Task. AB - Purpose: This study investigated the influence of voice onset time (VOT) on the perception of consonant-vowel (CV) signals during a dichotic listening (DL) task. Method: Sixty-two young adults with normal hearing were tested with the English language version of the Hugdahl Dichotic CV (DCV) Test. They were asked to identify 1 CV syllable during 3 DL conditions: free recall (report the syllable heard most clearly), forced right (report the syllable in the right ear), and forced left (report the syllable in the left ear). Averages for number and percent correct syllables were recorded under each condition and across the entire test. Results: All subjects demonstrated an overall right-ear advantage (REA) when scores from all 3 listening conditions were averaged. The REA occurred for all VOT pairings except when the long VOT was presented to the left ear, whereas the short VOT was presented to the right ear when subjects produced an average left-ear advantage. The left-ear advantage overcame the structural advantage of the right ear even when subjects were directed to attend to the right ear. This result was consistent with findings of earlier studies done with Norwegian and Australian subjects. Conclusions: Listeners' REA may be overcome by interaural temporal differences that favor processing in the listener's nondominant ear during the DCV test. Balanced VOT conditions across the DCV test prevent this effect from producing an overall bias toward the left ear, but clinical DL tests with consonant-vowel-consonant words should be examined for effects of the long VOT on laterality of performance. PMID- 29209731 TI - Kinaesthetic ability training improves unilateral neglect and functional outcome in patients with stroke: A randomized control trial. AB - OBJECTIVE: To investigate the effects of kinaesthetic ability training with the Kinesthetic Ability Trainer (KAT) on unilateral neglect and functional outcomes in stroke patients. STUDY DESIGN: An assessor-blinded, randomized controlled, clinical trial. METHODS: A total of 64 stroke patients with unilateral neglect (mean age 61 (standard deviation (SD) 12) years, 60.4% male, mean time since stroke 6.4 (SD 10.4) months, left hemiplegia 92.5%) were randomly assigned to a conventional rehabilitation programme (control group, n = 32) or KAT plus a conventional rehabilitation programme (KAT group, n = 32) for 4 weeks. Patients were assessed with the Behavioral Inattention Test (BIT) and Functional Independence Measure (FIM) before and after therapy. RESULTS: Both groups showed significant improvements in all subscales of the BIT (conventional and behavioural) (p < 0.001) and the FIM motor scale (p < 0.001) after therapy. Recovery from neglect was assessed, based on the BIT cut-off scores. The recovery rate for behavioural BIT was 40% in the KAT group and 17.9% in the control group (p = 0.07), whereas recovery rates according to the conventional BIT were 16% and 10.7% in the KAT and control groups, respectively. CONCLUSION: Kinaesthetic ability training provides clinically meaningful improvement in stroke patients with unilateral neglect. It may be useful as an adjunctive therapy for rehabilitation in these patients. PMID- 29209732 TI - Identification and fine mapping of a stay-green gene (Brnye1) in pakchoi (Brassica campestris L. ssp. chinensis). AB - KEY MESSAGE: Using bulked segregant analysis combined with next-generation sequencing, we delimited the Brnye1 gene responsible for the stay-green trait of nye in pakchoi. Sequence analysis identified Bra019346 as the candidate gene. "Stay-green" refers to a plant trait whereby leaves remain green during senescence. This trait is useful in the cultivation of pakchoi (Brassica campestris L. ssp. chinensis), which is marketed as a green leaf product. This study aimed to identify the gene responsible for the stay-green trait in pakchoi. We identified a stay-green mutant in pakchoi, which we termed "nye". Genetic analysis revealed that the stay-green trait is controlled by a single recessive gene, Brnye1. Using the BSA-seq method, a 3.0-Mb candidate region was mapped on chromosome A03, which helped us localize Brnye1 to an 81.01-kb interval between SSR markers SSRWN27 and SSRWN30 via linkage analysis in an F2 population. We identified 12 genes in this region, 11 of which were annotated based on the Brassica rapa annotation database, and one was a functionally unknown gene. An orthologous gene of the Arabidopsis gene AtNYE1, Bra019346, was identified as the potential candidate for Brnye1. Sequence analysis revealed a 40-bp insertion in the second exon of Bra019346 in nye, which generated the TAA stop codon. A candidate gene-specific Indel marker in 1561 F2 individuals showed perfect cosegregation with Brnye1 in the nye mutant. These results provide a foundation for uncovering the molecular mechanism of the stay-green trait in pakchoi. PMID- 29209733 TI - Quality of Surgery in Malawi: Comparison of Patient-Reported Outcomes After Hernia Surgery Between District and Central Hospitals. AB - BACKGROUND: District hospitals in Africa could meet the essential surgical needs of rural populations. However, evidence on outcomes is needed to justify investment in this option, given that surgery at district hospitals in some African countries is usually undertaken by non-physician clinicians. METHODS: Baseline and 2-3-month follow-up measurements were undertaken on 98 patients who had undergone hernia repairs at four district and two central hospitals in Malawi, using a modified quality-of-life tool. RESULTS: There was no significant difference in outcomes between district and central hospital cases, where a good outcome was defined as no more than one severe and three mild symptoms. Outcomes were marginally inferior at district hospitals (OR 0.79, 95% CI 0.63-1.0). However, in the 46 cases that underwent elective surgery at district hospitals, baseline scores for severe symptoms were worse (mean = 3.5) than in the 23 elective central hospital cases (mean = 2.5), p = 0.004. Also, the mean change (improvement) in symptom score was higher in district versus central hospital cases (3.9 vs. 2.3). CONCLUSION: The study results support the case for investing in district hospital surgery in sub-Saharan Africa to increase access to essential surgical care for rural populations. This could free up specialists to undertake more complex and referred cases and reduce emergency presentations. It will require investments in training and resources for district hospitals and in supervision from higher levels. PMID- 29209734 TI - Effects of hypothyroidism on serotonin 1A receptors in the rat brain. AB - PURPOSE: We investigated the effects of hypothyroidism on serotonin 1A receptors in the rat brain in vivo. METHODS: Five surgically thyroidectomized male Sprague Dawley (SD) rats and five hypophysectomized SD rats were used as animal models of hypothyroidism; the same number of sham-operated SD rats served as age-matched controls. After hypothyroidism was confirmed by thyroid function tests, serotonin positron emission tomography (PET) was performed for 120 min. All PET data were spatially normalized to T2-weighted magnetic resonance imaging templates; then, time-activity curves of the hippocampus, septum, and cerebellum were extracted using predefined volume-of-interest templates. Non-displaceable binding values in the hippocampus and septum were calculated using a multilinear reference tissue model and parametric maps were constructed. Both volume-of-interest and voxel based analyses showed higher brain uptake in the thyroidectomized and hypophysectomized rats compared to the respective sham-operated rats. RESULTS: Time-activity curves showed that the brain uptake values for the thyroidectomized and hypophysectomized groups were 21-52% higher than were those in the respective control groups. In the thyroidectomized group, the binding potential values for the hippocampus and septum were 20-26% higher than were those in the sham thyroidectomized group. In the hypophysectomized group, the binding value for the hippocampus was 23% higher than was that in the sham-hypophysectomized group, whereas the septal binding was not significantly different from that in the sham hypophysectomized group. Parametric maps for the hypothyroidism also showed significantly higher binding values than did those for the controls. CONCLUSION: Our results demonstrate that hypothyroidism elevates serotonin 1A receptor binding in the limbic system. PMID- 29209735 TI - Atypical lipomatous tumor of the hand with transformation to dedifferentiated liposarcoma: a case report. AB - Atypical lipomatous tumor/well-differentiated liposarcoma is the most common sarcoma of soft tissue in adults. We describe the clinical, radiologic, and pathologic features of an atypical lipomatous tumor arising within the soft tissue of the left hand of a 68-year-old female that underwent transformation to dedifferentiated liposarcoma and eventually metastasized. At initial presentation, imaging demonstrated an extensively calcified fatty soft tissue mass with displacement of the digits. Following biopsy and staged debulking, the patient subsequently developed local recurrence, dedifferentiation, and widespread metastases to the lungs, pancreas, bone, and soft tissues. To our knowledge, this is the first case of a cytogenetically proven atypical lipomatous tumor of the hand that has undergone dedifferentiation with widespread metastases. PMID- 29209736 TI - Magnetic resonance imaging-based morphological and alignment assessment of the patellofemoral joint and its relationship to proximal patellar tendinopathy. AB - OBJECTIVE: To assess the differences in morphology and alignment of the knee between patients with proximal patellar tendinopathy (PPT) and a control group, using MRI and focusing on the patellofemoral joint. METHODS: We retrospectively included 35 patients with clinically diagnosed and unequivocal findings of PPT on knee MRI, the case group. For the control group, we included 70 patients who underwent knee MRI for other reasons, with no clinical or MRI evidence of PPT. Patients and controls were matched for age and gender, with all subjects reporting frequent physical activity. MRIs were evaluated by two musculoskeletal radiologists, who assessed parameters of patellar morphology, trochlear morphology, patellofemoral alignment, and tibiofemoral alignment. The differences in parameters between cases and controls were assessed using Student's t test. Logistic regression was applied to assess the associations between the MRI parameters and the presence of PPT. RESULTS: The patellar height Insall-Salvati ratio was different between cases and controls (1.37 +/- 0.21 vs. 1.24 +/- 0.19; p = 0.003). The subchondral Wiberg angle was higher in cases than controls (136.8 +/- 7.4 vs. 131.7 +/- 8.8; p = 0.004). After applying logistic regression, significant associations with PPT were found [odds ratios (95% CI)] for patellar morphology [1.1 (1.0, 1.2)] and patellar height [1.3 (1.0, 1.7)]. CONCLUSIONS: Patellar height and the subchondral patellar Wiberg angle were greater in patients with PPT and significantly associated with PPT. PMID- 29209737 TI - Early mobilization of patients with non-operative liver and spleen injuries is safe and cost effective. AB - PURPOSE: There is no standard protocol for the management of non-operative liver or spleen injuries (LSI). In 2011, our institution changed the non-operative management (NOM) protocol of LSI from prolonged bed rest (PBR) to early mobilization (EM). We aim to show that EM safely decreases length of stay (LOS), ICU LOS, and cost. METHODS: We conducted a retrospective review in which non operative LSI patients observed PBR from January 2008 through July 2011 and were mobilized early from August 2011 through December 2014. Endpoints assessed were length of bed rest, hospital LOS, ICU LOS, failure of NOM, cost, angiography/embolization, and mortality. RESULTS: There were a total of 184 patients with LSI who met study criteria and were not excluded. 77 patients utilized PBR between 2008 and 2011 and 107 followed EM protocol between 2011 and 2014. There was no significant difference in the male to female ratio, age, ISS, anticoagulant use, or MOI. Both groups had similar injury profiles. PBR included 34 liver injuries, 45 splenic injuries and two patients with both. EM included 63 liver injuries, 55 splenic injuries and 11 patients with both (for liver injury p = 0.053, for splenic injury p = 0.37, and for combined p = 0.08). LOS and cost were significantly decreased in the EM cohort. LOS was shortened by 1.07 days (p = 0.005) and cost of hospitalization was reduced by $7077 (p = 0.046). There was no difference in NOM failure, angiography/embolization, or mortality. CONCLUSION: EM in non-operative LSI is safe and cost-effective. It results in decreased LOS and cost without increasing failure of NOM, angiography, embolization, or mortality. PMID- 29209738 TI - The Impact of Di(2-ethylhexyl)phthalate on Cancer Progression. AB - Di(2-ethylhexyl)phthalate (DEHP), a widely used plasticizer, mainly serves as an additive to render polyvinyl chloride (PVC) soft and flexible. PVC plastics have become ubiquitous in our modern society. Yet, the leaching of DEHP from PVC-based consumables ultimately results in the deposition in certain tissues via inadvertent applications. Health risks for human populations exposed to DEHP has been assumed by studies on rodents and other species, including the DEHP-induced developmental dysregulation, reproductive impairments, tumorigenesis, and diseases in a transgenerational manner. In this review, we comprehensively summarize the accumulated literature regarding the multifaceted roles of DEHP in the activation of the nuclear receptors, the alteration of the redox homeostasis, epigenetic modifications and the acquisition of chemoresistance. PMID- 29209739 TI - Hepatocarcinogenesis and LI-RADS. AB - Hepatocarcinogenesis is a multi-step process characterized by progressive cellular and molecular dedifferentiation of hepatocytes and culminating in the emergence of hepatocellular carcinoma (HCC). Knowledge of hepatocarcinogenesis is important because familiarity with the associated imaging features can lead to improved diagnosis of HCC at its early stages. The article reviews the alterations that accumulate leading to HCC result in abnormal imaging features, many of which are included in LI-RADS v2017 as major and ancillary features. PMID- 29209740 TI - Early deficits in insulin secretion, beta cell mass and islet blood perfusion precede onset of autoimmune type 1 diabetes in BioBreeding rats. AB - AIMS/HYPOTHESIS: Genetic studies show coupling of genes affecting beta cell function to type 1 diabetes, but hitherto no studies on whether beta cell dysfunction could precede insulitis and clinical onset of type 1 diabetes are available. METHODS: We used 40-day-old BioBreeding (BB) DRLyp/Lyp rats (a model of spontaneous autoimmune type 1 diabetes) and diabetes-resistant DRLyp/+ and DR+/+ littermates (controls) to investigate beta cell function in vivo, and insulin and glucagon secretion in vitro. Beta cell mass was assessed by optical projection tomography (OPT) and morphometry. Additionally, measurements of intra islet blood flow were performed using microsphere injections. We also assessed immune cell infiltration, cytokine expression in islets (by immunohistochemistry and qPCR), as well as islet Glut2 expression and ATP/ADP ratio to determine effects on glucose uptake and metabolism in beta cells. RESULTS: DRLyp/Lyp rats were normoglycaemic and without traces of immune cell infiltrates. However, IVGTTs revealed a significant decrease in the acute insulin response to glucose compared with control rats (1685.3 +/- 121.3 vs 633.3 +/- 148.7; p < 0.0001). In agreement, insulin secretion was severely perturbed in isolated islets, and both first- and second-phase insulin release were lowered compared with control rats, while glucagon secretion was similar in both groups. Interestingly, after 5-7 days of culture of islets from DRLyp/Lyp rats in normal media, glucose-stimulated insulin secretion (GSIS) was improved; although, a significant decrease in GSIS was still evident compared with islets from control rats at this time (7393.9 +/- 1593.7 vs 4416.8 +/- 1230.5 pg islet-1 h-1; p < 0.0001). Compared with controls, OPT of whole pancreas from DRLyp/Lyp rats revealed significant reductions in medium (4.1 * 109 +/- 9.5 * 107 vs 3.8 * 109 +/- 5.8 * 107 MUm3; p = 0.044) and small sized islets (1.6 * 109 +/- 5.1 * 107 vs 1.4 * 109 +/- 4.5 * 107 MUm3; p = 0.035). Finally, we found lower intra-islet blood perfusion in vivo (113.1 +/- 16.8 vs 76.9 +/- 11.8 MUl min-1 [g pancreas]-1; p = 0.023) and alterations in the beta cell ATP/ADP ratio in DRLyp/Lyp rats vs control rats. CONCLUSIONS/INTERPRETATION: The present study identifies a deterioration of beta cell function and mass, and intra-islet blood flow that precedes insulitis and diabetes development in animals prone to autoimmune type 1 diabetes. These underlying changes in islet function may be previously unrecognised factors of importance in type 1 diabetes development. PMID- 29209741 TI - Total elbow arthroplasty under unfavourable soft tissue conditions. AB - PURPOSE: To evaluate the clinical and radiographic outcomes of patients with total elbow arthroplasty (TEA) and soft tissue reconstruction. METHODS: We investigated six patients who underwent TEA and soft tissue reconstruction (two elbows with 1-stage surgery and four elbows with 2-stage surgery). The mean patient age at the time of the surgical procedure was 43.2 years; the mean follow up duration was 88.2 months. RESULTS: The mean pain visual analogue scale (VAS) during motion was improved from 6.3 pre-operatively to 0.7 at the last follow-up. The mean Mayo Elbow Performance Score (MEPS) improved from 26.7 pre-operatively to 81.7 at the last follow-up. The mean flexion-extension arcs of the 1- and 2 stage surgery groups increased from 12.5 degrees and 13.8 degrees pre operatively to 72.5 degrees and 100 degrees at the last follow-up, respectively. The mean MEPS of the one and two stage surgery groups were 75 and 85, respectively, at the last follow-up. One of the six elbows had loosening on the simple radiograph at the last follow-up, and there were no cases with bushing wear. Three elbows needed additional skin debridement owing to wound complications (2/2 elbows in the 1-stage surgery group and 1/4 elbows in the 2 stage surgery group). CONCLUSIONS: Under unfavorable soft tissue conditions, performing soft tissue reconstruction with TEA provides satisfactory functional improvement and pain relief. The two stage surgery provided a lower rate of wound complication and better elbow function than the one stage surgery, which led to high patient satisfaction post-operatively. LEVEL OF EVIDENCE: Therapeutic Level IV. PMID- 29209742 TI - The prevalence and risk factors for delayed union of the superior pubic ramus at one year after curved periacetabular osteotomy: its risk factor and outcome. AB - PURPOSE: Curved periacetabular osteotomy (CPO) has been developed for the treatment of acetabular dysplasia. While several studies have reported its good clinical results, the complications of CPO include delayed union and nonunion of the superior pubic ramus. The purpose of this study is to investigate the prevalence of delayed union of the pubis one year after CPO, and to determine the risk factors for this complication. METHODS: The study examined 113 hips that underwent CPO between 2008 and 2012. Delayed union was assessed based on the anteroposterior radiography one year after CPO. A superior pubic ramus union group (U group) and a delayed union group (D group) were retrospectively compared regarding patient characteristics, clinical evaluations, and radiographic parameters. RESULTS: Delayed union rate was 16.8%. The D group contained a significantly greater proportion of smokers (p < 0.001). The gap at the pubic osteotomy site on CT coronal images was significantly larger in the D group (p < 0.001), and the cut-off value for the risk of nonunion was larger than 5.1 mm. Multivariate regression analysis indicated that smoking (OR 10.7, 95% CI 2.1 55.4) and a gap at the superior pubic ramus >5.1 mm (OR 16.5, 95% CI 3.7-73.7) were significantly associated with delayed union as independent risk factors. CONCLUSION: The prevalence of delayed union one year after CPO was 16.8%. Smoking and a gap larger than 5.1 mm at the pubic osteotomy site are risk factors for delayed union after CPO. PMID- 29209744 TI - Preserved Myocardial Deformation after Successful Coarctation Repair: A CMR Feature-Tracking Study. AB - Arterial vasculopathy and residual aortic obstruction can lead to left ventricular (LV) dysfunction in patients with coarctation of the aorta (CoA) related to adverse ventriculo-arterial coupling. This study aimed to investigate potential differences in LV myocardial deformation indices between repaired CoA patients and healthy controls. Twenty-two CoA patients (age 30 +/- 10.6 years) after surgical repair (n = 12) or balloon angioplasty (BA) (n = 10) without residual stenosis, between 3 months and 16 years of age with > 10 years follow-up were compared to 22 healthy age- and gender-matched controls (age 30 +/- 3.8 years). Cardiac magnetic resonance feature tracking (CMR-FT) was used for LV longitudinal-, circumferential-, and rotational deformation indices. Global systolic LV function was preserved in CoA patients (LV ejection fraction 58 +/- 4.8 vs. 60 +/- 6.8%, p = 0.56) when compared to controls, with normal LV dimensions and mass (p > 0.05). Twelve CoA patients (55%) were hypertensive, of whom 4 were on anti-hypertensive medication. LV global longitudinal strain was preserved in the four-chamber (- 18 +/- 4.4 vs. - 16 +/- 4.7%, p = 0.06) and two chamber (- 22 +/- 5.1 vs. - 20 +/- 6.0%, p = 0.22) orientations in CoA patients. Global circumferential strain was preserved at basal (- 29 +/- 4.1 vs. - 28 +/- 4.8%, p = 0.43), mid-ventricular (- 27 +/- 4.2 vs. - 25 +/- 3.0%, p = 0.09), and apical levels (- 35 +/- 7.8 vs. - 32 +/- 34.9%, p = 0.32). No differences were found in global torsion (2.4 +/- 1.3 degrees vs. 2.0 +/- 1.4 degrees /cm, p = 0.28), twist (14 +/- 5.8 degrees vs. 12 +/- 6.3 degrees , p = 0.34), and recoil rate (- 17 +/- 9.7 degrees vs. - 17 +/- 7.1 degrees /cm s, p = 0.97). Analysis of intra-observer variability demonstrated good reproducibility for all CMR deformation indices. Global and rotational myocardial deformation indices are preserved in CoA patients long-term after repair without residual stenosis, despite a high incidence of hypertension. PMID- 29209745 TI - Trends and socio-economic determinants of suicide in India: 2001-2013. AB - PURPOSE: To investigate trends and socio-economic determinants of suicide in India over the period of 2001-2013. METHOD: Suicide rates between 2001 and 2013 were calculated using suicide statistics provided by National Crime Records Bureau (NCRB) and census data provided by Census of India, stratified by sex, age group, and geographical region, to investigate trends in suicide over the study period. Multilevel negative binomial regression models were specified to investigate associations between state-level indicators of economic development, education, employment and religious factors and sex-specific suicide rates. RESULTS: Male suicide rates remained relatively steady (~ 14 per 100,000) while female suicide rates decreased over the study period (9 to 7 per 100,000). The age group of 45-59 years had the highest suicide rate among males while the age group of 15-29 years had the highest suicide rate among females. On average, higher male and female suicide rates were observed in states with: higher levels of development, higher levels of agricultural employment, higher levels of literacy, and higher proportions of people identifying with Hinduism. Higher male suicide rates were also observed in states with higher levels of unemployment. CONCLUSION: The process of modernization might be contributing towards higher suicide risk in more developed parts of India. Also, increase in farmer suicides since economic liberalization might be contributing towards higher suicide rates among more agricultural regions. Furthermore, ancient sanctions towards religious suicide are possibly still influencing modern Hindu suicides. PMID- 29209743 TI - Gastroprotective activity of the methanol extract from peels of Plinia edulis (Vell.) Sobral fruits and its isolated triterpenes: maslinic and ursolic acids. AB - According to the Brazilian folk medicine, the leaves of Plinia edulis (Vell.) Sobral (Myrtaceae), known as cambuca, are indicated in the treatment of gastric disorders. Infusions of P. edulis leaves were previously demonstrated to contain both maslinic (MA) and ursolic acids (UA). Both triterpenes have also been identified in the methanolic extract of peels from P. edulis fruit (MEPPE); however, the antiulcer effects of MEPPE have not yet been studied. This study therefore evaluates the gastroprotective potential of MEPPE, MA, and UA using ethanol/HCl- and indomethacin-induced gastric ulcers in mice. In addition, the in vitro effects of these compounds on the H+, K+-ATPase activity and on the free radical DPPH were measured. When used at concentration of 100 MUg/mL, both MEPPE and UA were found to reduce the DPPH radical levels by 78.66 and 60.14%, respectively. However, MA did not reduce DPPH radical levels. Our results illustrated the antiulcer effects of MEPPE, MA, and UA against experimental ulcer models when administered by either the oral or the intraperitoneal routes. In addition, MEPPE reduced the size of ethanol/HCl-induced ulcers in a dose dependent manner (log half-maximal effective oral dose, LogED50 = 1.09). Interestingly, UA promoted gastroprotection at lower doses than MA by increasing the production of mucin levels at 692%; however, it does not alter the activity of H+, K+-ATPase. In contrast, both MEPPE and MA, when incubated at concentrations of 10 and 100 MUg/mL, inhibited H+, K+-ATPase activity in 61.81, 68.37, 54.04, and 70.45%, respectively. These results confirm that MEPPE, MA, and UA display gastroprotective activity through different modes of action; MA inhibits H+, K+-ATPase activity, whereas UA favour the mucus barrier. PMID- 29209746 TI - Decisional conflict in mental health care: a cross-sectional study. AB - PURPOSE: Decisional conflict refers to the degree to which patients are engaged in and feel comfortable about important clinical decisions. Until now, the concept has received little attention in mental health care. We investigate the level of decisional conflict in mental health care and whether this is influenced by socio-demographics, treatment setting, diagnoses, and locus of control. METHODS: Cross-sectional study among 186 patients in Dutch specialist mental health care using the Decisional Conflict Scale, which measures five dimensions of decisional conflict: information, support, clarification of values, certainty, and decisional quality. Descriptive statistics and forward stepwise linear regression analyses were used. RESULTS: Patients report relatively high levels of decisional conflict, especially those with more external locus of control. Having a personality disorder and higher education also increases decisional conflict on the dimensions support and clarification of values, respectively. Less decisional conflict was experienced by patients with psychotic disorders on the dimension certainty and by women on the information domain. CONCLUSIONS: Decisional conflict is common among patients in specialist mental health care and is very useful for assessing the quality of clinical decision making. Measuring decisional conflict and knowledge about influencing factors can be used to improve patients' participation in clinical decision making, adherence to treatment and clinical outcomes. PMID- 29209748 TI - Monitoring cytochrome P450 activity in living hepatocytes by chromogenic substrates in response to drug treatment or during cell maturation. AB - The metabolic activity of hepatocytes is a central prerequisite for drug activity and a key element in drug-drug interaction. This central role in metabolism largely depends on the activity of the cytochrome P450 (CYP450) enzyme family, which is not only dependent on liver cell maturation but is also controlled in response to drug and chemical exposure. Here, we report the use of VividDye fluorogenic CYP450 substrates to directly measure and continuously monitor metabolic activity in living hepatocytes. We observed time- and dose-dependent correlation in response to established and putative CYP450 inducers acting through the aryl hydrocarbon receptor and drug combinations. Using repetitive addition of VividDye fluorogenic substrate on a daily basis, we demonstrated the new application of VividDye for monitoring the maturation and dedifferentiation of hepatic cells. Despite a lack of high specificity for individual CYP450 isoenzymes, our approach enables continuous monitoring of metabolic activity in living cells with no need to disrupt cultivation. Our assay can be integrated in in vitro liver-mimetic models for on-line monitoring and thus should enhance the reliability of these tissue model systems. PMID- 29209750 TI - Founder of EJNM passed away. PMID- 29209751 TI - [Specific components for integrative and flexible care models according to S 64b SGB V]. AB - BACKGROUND: There is a need for a theoretical model for evaluating integrative and flexible care models according to S 64b of the Social Security Statutes Book V (SGB V). MATERIAL AND METHODS: An iterative process of data collection and analysis has been executed according to grounded theory methodology. RESULTS: A total of 11 specific components have been identified and shown to be robust and practicable and compatible with the data from the literature. CONCLUSION: These components can be used for implementation, quality management and evaluation of projects for treatment models according to S 64b SGB V. PMID- 29209749 TI - [Quality indicators for metabolic and bariatric surgery in Germany : Evidence based development of an indicator panel for the quality of results, indications and structure]. AB - An expert committee was appointed by the German Society for General and Visceral Surgery to develop a panel of appropriate quality indicators to collate the quality of results, indications and structure in metabolic and bariatric surgery. This entailed assimilating the available evidence (systematic literature search), results from the national registry of the society (StuDoQ|MBE) and specific socioeconomic aspects (e. g. severely limited access to metabolic and bariatric surgery in Germany). These quality parameters were to be incorporated into the national guidelines and the rules of procedure for certification in the future. The committee concluded that mortality, MTL30 and severe complications needing intervention (Clavien-Dindo >= 3b) are suitable indicators to measure surgical outcome quality due to their relevance, scientific soundness and practicability. As a systematic follow-up is mandatory after bariatric surgery, a minimum follow up quota is now required using reported quality of life data as an indicator of process quality. As intestinal bypass procedures have been shown to be superior in the treatment of type 2 diabetes, these procedures should be offered to eligible patients and also be performed. The proposed threshold values based on the results of the available literature and StuDoQ registry are to be considered as preliminary and need to be validated and adjusted if necessary in the future. The StuDoQ|MBE is considered a valuable tool to gather this information and also represents the appropriate infrastructure for the collation of relevant risk adjustors. PMID- 29209752 TI - [Addiction as an attachment disorder]. AB - BACKGROUND: There is no commonly accepted model for describing the development and treatment of substance use disorders (SUD); however, over several decades the attachment theory has represented an important basis for the clinical handling of SUD. This study gives a systematic review of empirical studies regarding the relationship between SUD and disorders of attachment behavior. OBJECTIVE: Is there a positive relationship between disorders of attachment behavior and the presence of SUD? METHOD: Various databases (PsychInfo, Web of Science, PubMed) were systematically searched in order to pinpoint relevant studies in books and articles published in English or German. Based on the results 22 publications were selected. After a stricter limitation to original research, 12 articles could finally be accepted as eligible. RESULTS: A significant relationship was found between SUD and insecure attachment in 10 out of the 12 studies. CONCLUSION: Based on the results of the research studies reviewed the hypothesis to characterize SUD as a possible expression of an attachment disorder was confirmed. This corroborates the importance of considering attachment parameters in dealing with prevention and treatment of SUD. Further research might focus on non-substance-related addictive disorders and therapy outcome studies. PMID- 29209753 TI - [Neuroleptic malignant syndrome]. AB - BACKGROUND: Neuroleptic malignant syndrome (NMS) is a rare but severe undesired complication of psychopharmacological treatment. The mortality has shown a significant decrease since its first description. Knowledge of NMS is important for every clinician because of the need for rapid diagnosis and treatment. OBJECTIVE: This article presents a review and critical appraisal of the current study situation for NMS. Recommendations for diagnostics, differential diagnostics and treatment are presented particularly from a clinical perspective. MATERIAL AND METHODS: A literature review with the keywords "neuroleptic malignant syndrome", "Malignes neuroleptisches Syndrom" and various psychotropic drugs was performed in PubMed. The database of the Working Group for Pharmaceutical Treatment of Psychiatric Diseases (Arbeitsgemeinschaft fur Arzneimitteltherapie bei psychiatrischen Erkrankungen, AGATE) was analyzed with respect to registered cases of the undesired side effect NMS. RESULTS: In contrast to the first description, which also led to the name, there are now case reports of clinical conditions similar to NMS, which were obviously triggered by several groups of psychotropic drugs not just antipsychotic agents (German: Neuroleptika). Treatment recommendations exist whereby the effectiveness cannot always be scientifically substantiated; however, it is still undisputed that a rapid initiation of treatment is of great importance. DISCUSSION: The psychiatrist must be familiar with the symptoms of NMS, its differential diagnosis and the therapeutic options for a rapid and effective treatment. Further studies are urgently needed for scientific substantiation of the pathophysiology of NMS and to develop evidence-based guidelines for treatment. PMID- 29209754 TI - [Stricture of the vesicourethral anastomosis after radical prostatectomy]. AB - BACKGROUND: The development of a stricture of the vesicourethral anastomosis is a serious complication after radical prostatectomy. Strictures occur in 5-8% of patients after radical prostatectomy. SYMPTOMS: Usually the clinical symptoms include an irritative and obstructive component similar to benign prostatic hyperplasia. In rare cases, patients suffer from partial or complete stress incontinence as a result of the anastomotic stricture. DIAGNOSTICS: The diagnostic workup is similar to the procedure for urethral strictures. In addition to uroflowmetry, a cystourethrogram (CUG) or, if necessary, a micturating cystourethrogram (MCU) can be performed. A urethrocystoscopy can be performed to ensure the diagnosis. THERAPY: In most cases, endoscopic procedures were performed for treatment. Beside a transurethral dilation of the stricture or the Sachse urethrotomy, the most common procedure is transurethral resection to treat the stricture. However, all procedures are associated with a high recurrence rate. In recurrent strictures, open surgical procedures, usually a perineal reanastomosis, should performed early. CONCLUSION: Endourological procedures like transurethral resection are a good treatment option, but due to the high recurrence rates, open surgical procedures should be discussed and if necessary should be performed early. PMID- 29209756 TI - Correction to: Treatment of Osteoid Osteomas Using a Navigational Bipolar Radiofrequency Ablation System. AB - In "Radiofrequency Ablation Procedure" section of the original article, the relationship between the location of the thermocouples and the size of the ablation zones is inaccurate and not consistent with the referenced article in the bibliography (#3. Hillen et al). PMID- 29209755 TI - [Evaluation of a prostate cancer E-health tutorial : Development and testing of the website prostata-information.ch]. AB - BACKGROUND: Due to the multitude of therapy options, the treatment decision after diagnosis of localized prostate cancer is challenging. Compared to printed booklets, web-based information technology offers more possibilities to tailor information to patients' individual needs. OBJECTIVES: To support the decision making process as well as the communication with patients, we developed an online tutorial in a systematic process in the German-speaking part of Switzerland and then tested it in a pilot study. The study investigated users' satisfaction, the coverage of information needs, the preparation for decision making, and the subjective quality of the decision. MATERIALS AND METHODS: Based on already existing information material, the online tutorial was developed in an iterative process using focus groups with patients and urologists. For the following evaluation in eight clinics a total of 87 patients were invited to access the platform and participate in the study. Of these patients, 56 used the tutorial and 48 answered both surveys (the first one 4 weeks after the first login and the second one 3 months after treatment decision). The surveys used the Preparation for Decision Making Scale (PDMS), the Decisional Conflict Scale (DCS), and the Decisional Regret Scale (DRS). RESULTS AND CONCLUSION: Satisfaction with the tutorial is very high among patients with newly diagnosed localized prostate cancer. Users find their information needs sufficiently covered. Three months after the decision they felt that they were well prepared for the decision making (mean PDMS 75, standard deviation [SD] 23), they had low decisional conflict (mean DCS 9.6, SD 11), and almost no decisional regret (mean DRS 6.4, SD 9.6). Based on these findings, further use of the tutorial can be recommended. PMID- 29209757 TI - Eighth Edition of the UICC Classification of Malignant Tumours: an overview of the changes in the pathological TNM classification criteria-What has changed and why? AB - The TNM classification of malignant tumours is a mainstay tool in clinical practice and research for prognostic assessment of patients, treatment allocation and trial enrolment, as well as for epidemiological studies and data collection by cancer registries worldwide. Pathological TNM (pTNM) represents the pathological classification of a tumor, assigned after surgical resection or adequate sampling by biopsy, and periodical updates to the relative classification criteria are necessary to preserve its clinical relevance by integrating newly reported data. A structured approach has been put in place to fulfil this need and, based upon this process, the Eighth Edition of Union for International Cancer Control (UICC) TNM Classification of Malignant Tumours has been published, introducing many significant changes, including novel classification criteria for specific tumour types. In this review, we aim to describe the major changes introduced in the pTNM classification criteria and to summarize the evidence supporting these changes. PMID- 29209759 TI - [Private medical education in Germany]. AB - Through the years, a range of privately funded medical training opportunities has been established in Germany. Only a few of them operate along the German Medical Licensure Act and thus underlie quality assurance regulations in Germany. Most of the courses are a result of German hospitals cooperating with universities from other EU countries. The content of the courses and the examinations underlie the regulations of the university's home country. This article aims to give an overview of the private medical training opportunities offered in Germany and to show differences compared to state funded German medical schools. The authors discuss the opportunities of private medical training as well as its challenges and risks. Basic principles concerning finances and quality assurance of national and international private medical training are provided. Regardless of their mode of financing, the superior goal of the training, according to the German Medical Licensure Act, should always be to enable young doctors to pursue further professional training, so that they can maintain the best possible quality in patient care, research, and medical education. PMID- 29209758 TI - Optimal literature search for systematic reviews in surgery. AB - BACKGROUND: The aim of the present study was to determine empirically which electronic databases contribute best to a literature search in surgical systematic reviews. METHODS: For ten published systematic reviews, the systematic literature searches were repeated in the databases MEDLINE, Web of Science, CENTRAL, and EMBASE. On the basis of these reviews, a gold standard set of eligible articles was created. Recall (%), precision (%), unique contribution (%), and numbers needed to read (NNR) were calculated for each database, as well as for searches of citing references and of the reference lists of related systematic reviews (hand search). RESULTS: CENTRAL yielded the highest recall (88.4%) and precision (8.3%) for randomized controlled trials (RCT), MEDLINE for non-randomized studies (NRS; recall 92.6%, precision 5.2%). The most effective combination of two databases plus hand searching for RCT was MEDLINE/CENTRAL (98.6% recall, NNR 97). Adding EMBASE marginally increased the recall to 99.3%, but with an NNR of 152. For NRS, the most effective combination was MEDLINE/Web of Science (99.5% recall, NNR 60). CONCLUSIONS: For surgical systematic reviews, the optimal literature search for RCT employs MEDLINE and CENTRAL. For surgical systematic reviews of NRS, Web of Science instead of CENTRAL should be searched. EMBASE does not contribute substantially to reviews with a surgical intervention. PMID- 29209760 TI - [60 years of Bundesgesundheitsblatt - a very personal laudatio]. PMID- 29209747 TI - An adverse outcome pathway for parkinsonian motor deficits associated with mitochondrial complex I inhibition. AB - Epidemiological studies have observed an association between pesticide exposure and the development of Parkinson's disease, but have not established causality. The concept of an adverse outcome pathway (AOP) has been developed as a framework for the organization of available information linking the modulation of a molecular target [molecular initiating event (MIE)], via a sequence of essential biological key events (KEs), with an adverse outcome (AO). Here, we present an AOP covering the toxicological pathways that link the binding of an inhibitor to mitochondrial complex I (i.e., the MIE) with the onset of parkinsonian motor deficits (i.e., the AO). This AOP was developed according to the Organisation for Economic Co-operation and Development guidelines and uploaded to the AOP database. The KEs linking complex I inhibition to parkinsonian motor deficits are mitochondrial dysfunction, impaired proteostasis, neuroinflammation, and the degeneration of dopaminergic neurons of the substantia nigra. These KEs, by convention, were linearly organized. However, there was also evidence of additional feed-forward connections and shortcuts between the KEs, possibly depending on the intensity of the insult and the model system applied. The present AOP demonstrates mechanistic plausibility for epidemiological observations on a relationship between pesticide exposure and an elevated risk for Parkinson's disease development. PMID- 29209761 TI - [Shortage of physicians in rural areas and in the public health service : A critical analysis of the evidence on the role of medical education and training]. AB - BACKGROUND: A shortage of medical personnel has been seen for several decades in at least two sectors of the healthcare system: primary care in remote areas as well as medical care in the state public health departments (Offentliches Gesundheitswesen). Strategies to reduce these problems are being sought. OBJECTIVE: This review examines the proposals, practical initiatives and empirical studies in under- and postgraduate medical education in order to estimate their potential impact on the solution of these problems. The analysis covers both Germany and Anglo-Saxon countries. MATERIALS AND METHODS: The study is based on a literature search in PubMed and Medline covering the last 20 years. With regard to Germany, programmatic documents and studies published in the German Journal of General Practice (Zeitschrift fur Allgemeinmedizin) were also included. RESULTS AND DISCUSSION: Foreign empirical studies identify almost equal two factors with regard to primary care in remote areas: the recruitment of students from rural areas combined with special educational programs with a rural primary care orientation both in under- and postgraduate medical education. These programs should include several and longer practical working periods in primary care units and be well coordinated between the medical school and the local teaching physicians. As for the state public health sector, comparable initiatives are still lacking. PMID- 29209767 TI - Neuropathology of iatrogenic Creutzfeldt-Jakob disease and immunoassay of French cadaver-sourced growth hormone batches suggest possible transmission of tauopathy and long incubation periods for the transmission of Abeta pathology. AB - Abeta deposits and tau pathology were investigated in 24 French patients that died from iatrogenic Creutzfeldt-Jakob disease after exposure to cadaver-derived human growth hormone (c-hGH) in the 1980s. Abeta deposits were found only in one case that had experienced one of the longest incubation periods. Three cases had also intracellular tau accumulation. The analysis of 24 batches of c-hGH, produced between 1974 and 1988, demonstrated for the first time the presence of Abeta and tau contaminants in c-hGH (in 17 and 6 batches, respectively). The incubation of prion disease was shorter in the French patients than the incubation times reported in two previously published British series. We interpreted the low incidence of Abeta in this French series as a consequence of the shorter incubation period observed in France, as compared to that observed in the United Kingdom. This concept suggested that a mean incubation period for the development of detectable Abeta deposits would be longer than 18 years after the first exposure. Moreover, we hypothesized that tau pathology might also be transmissible in humans. PMID- 29209768 TI - Spread of aggregates after olfactory bulb injection of alpha-synuclein fibrils is associated with early neuronal loss and is reduced long term. AB - Parkinson's disease is characterized by degeneration of substantia nigra dopamine neurons and by intraneuronal aggregates, primarily composed of misfolded alpha synuclein. The alpha-synuclein aggregates in Parkinson's patients are suggested to first appear in the olfactory bulb and enteric nerves and then propagate, following a stereotypic pattern, via neural pathways to numerous regions across the brain. We recently demonstrated that after injection of either mouse or human alpha-synuclein fibrils into the olfactory bulb of wild-type mice, alpha synuclein fibrils recruited endogenous alpha-synuclein into pathological aggregates that spread transneuronally to over 40 other brain regions and subregions, over 12 months. We previously reported the progressive spreading of alpha-synuclein aggregates, between 1 and 12 months following alpha-synuclein fibril injections, and now report how far the pathology has spread 18- and 23 month post-injection in this model. Our data show that between 12 and 18 months, there is a further increase in the number of brain regions exhibiting pathology after human, and to a lesser extent mouse, alpha-synuclein fibril injections. At both 18 and 23 months after injection of mouse and human alpha-synuclein fibrils, we observed a reduction in the density of alpha-synuclein aggregates in some brain regions compared to others at 12 months. At 23 months, no additional brain regions exhibited alpha-synuclein aggregates compared to earlier time points. In addition, we also demonstrate that the induced alpha-synucleinopathy triggered a significant early neuron loss in the anterior olfactory nucleus. By contrast, there was no loss of mitral neurons in the olfactory bulb, even at 18 month post injection. We speculate that the lack of continued progression of alpha-synuclein pathology is due to compromise of the neural circuitry, consequential to neuron loss and possibly to the activation of proteolytic mechanisms in resilient neurons of wild-type mice that counterbalances the spread and seeding by degrading pathogenic alpha-synuclein. PMID- 29209769 TI - Different behavioral, neural and neuropeptide responses of fathers to their own and to alien pups in mandarin voles. AB - Mothers often prefer to care for their own offspring rather than those of other females. However, whether fathers respond differently to their own pups and to alien ones remains unclear. In this study, we found that male mandarin voles (Microtus mandarinus) directed more sniffing toward their own pups than toward alien pups. The numbers of Fos-immunoreactive neurons in the medial preoptic nucleus, bed nucleus of the stria terminalis, nucleus accumbens, anterior cingulate cortex were significantly increased when fathers were exposed to an alien pups; however, more brain regions such as paraventricular nucleus, hypothalamic supraoptic nucleus, lateral habenula, ventral lateral septal nucleus, and medial amygdaloid nucleus showed increased number of Fos immunoreactive neurons activated when the fathers were exposed to their own pups. Exposure to their own pups also induced a greater number of Fos-immunoreactive neurons in the anterior cingulate cortex, paraventricular nucleus, hypothalamic supraoptic nucleus, lateral habenula, ventral lateral septal nucleus and medial amygdaloid nucleus, as well as higher expression of oxytocin and vasopressin in the paraventricular nucleus, compared with exposure to alien pups. Our results indicated that fathers demonstrated different behavioral and neural responses to their own and to alien pups. PMID- 29209770 TI - Androgen and estrogen sensitivity of bird song: a comparative view on gene regulatory levels. AB - Singing of songbirds is sensitive to testosterone and its androgenic and estrogenic metabolites in a species-specific way. The hormonal effects on song pattern are likely mediated by androgen receptors (AR) and estrogen receptor alpha (ERalpha), ligand activated transcription factors that are expressed in neurons of various areas of the songbirds' vocal control circuit. The distribution of AR in this circuit is rather similar between species while that of ERalpha is species variant and concerns a key vocal control area, the HVC (proper name). We discuss the regulation of the expression of the cognate AR and ERalpha and putative splice variants. In particular, we suggest that transcription factor binding sites in the promoter of these receptors differ between bird species. Further, we suggest that AR- and ERalpha-dependent gene regulation in vocal areas differs between species due to species-specific DNA binding sites of putative target genes that are required for the transcriptional activity of the receptors. We suggest that species differences in the distribution of AR and ERalpha in vocal areas and in the genomic sensitivity to these receptors contribute to species-specific hormonal regulation of the song. PMID- 29209772 TI - Influence of the ABCB1 polymorphisms on the response to Taxane-containing chemotherapy: a systematic review and meta-analysis. AB - PURPOSE: Multidrug resistance mediated by ABCB1 has been perceived to be one of the obstacles for cancer chemotherapy. This meta-analysis was performed to verify the effect of the ABCB1 rs1045642 and rs1128503 polymorphisms on the response to Taxane-containing chemotherapy. METHODS: Pooled odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were employed to evaluate the impact of these two ABCB1 polymorphisms. R scripts were developed to perform the meta analysis. RESULTS: A total of nine articles (including nine studies for rs1045642 and five for rs1128503) were collected in our systematic review. However, our meta-analysis showed no significant effect of these two ABCB1 polymorphisms on the response to Taxane-containing regimens. CONCLUSIONS: This study highlights the unsuitability of relying on the ABCB1 rs1045642 and rs1128503 polymorphisms as therapeutic response biomarkers of Taxane-containing chemotherapy. Further polycentric studies in larger and multiracial populations are needed to validate the conclusions. PMID- 29209771 TI - Renal function recovery after radical nephroureterectomy for upper tract urothelial carcinoma. AB - PURPOSE: To understand the longitudinal renal function trends in patients undergoing radical nephroureterectomy (RNU) and identify clinicopathologic characteristics associated with estimated glomerular filtration rate (eGFR) recovery. METHODS: 147 patients were available for analysis. Longitudinal eGFR trends were assessed by plotting each patient's eGFR measurements over time. The patient population was dichotomized using eGFR < 60 ml/min/1.73 m2 versus >= 60 ml/min/1.73 m2. Cumulative incidence and competing risk regression analysis were used to estimate recovery of postoperative eGFR to the preoperative level and identify clinicopathologic characteristics associated with eGFR recovery. RESULTS: Median age was 68.7 years and median preoperative eGFR was 55.9 ml/min/1.73 m2. 63.6% were male and 95.8% were white. The cumulative incidence of eGFR recovery was significantly higher in patients with baseline eGFR < 60 ml/min/1.73 m2 compared to those with baseline eGFR >= 60 ml/min/1.73 m2 (p = 0.01), with recovery rates at 2 years of 56.6% vs. 27.7%, respectively. Multivariable analysis revealed that preoperative hydronephrosis (HR 1.80) and preoperative eGFR < 60 ml/min/1.73 m2 (HR 1.87) were associated with increased chance of eGFR recovery. CONCLUSION: Over half of patients with preoperative eGFR < 60 ml/min/1.73 m2 achieved eGFR recovery within the first 3 years after RNU, and hydronephrosis was a significant predictor of recovery. These findings should be considered when counseling patients regarding chronic kidney disease progression after RNU and timing of perioperative chemotherapy for high risk tumors. PMID- 29209773 TI - Effect of 8-week oral supplementation with 3-ug cyano-B12 or hydroxo-B12 in a vitamin B12-deficient population. AB - PURPOSE: We compare the effect of 8-week oral supplementation with cyano-B12 (currently used in vitamin pills) and hydroxo-B12 (predominant form in the diet) in a population with nutritional vitamin B12 deficiency. METHODS: Fifty-one healthy Indian adults with baseline serum cobalamin < 200 pmol/L were supplied for 8 weeks with daily oral supplements of 3-ug cyano-B12 (n = 15), 3-ug hydroxo B12 (n = 16), or a placebo (n = 20). Blood at baseline, and each following week, was examined for total cobalamin, holotranscobalamin, methylmalonic acid, and homocysteine. RESULTS: The study groups did not differ at baseline and were characterized by [median (range)] serum cobalamin [128 (68-191) pmol/L], holotranscobalamin [16 (6-41) pmol/L], methylmalonic acid [0.8 (0.3-1.7) umol/L], homocysteine [17.9 (8.5-100.9) umol/L], and a combined indicator of B12 status 4cB12 of - 1.65 (- 0.64 to - 4.07). The group supplemented with cyano-B12 showed a higher increase in total serum cobalamin than the group treated with hydroxo B12, while other biomarkers changed comparably in the two groups. After 8 weeks of treatment, the biomarker values of the supplemented groups (pooled) differed significantly from the placebo group. Yet, the vitamin B12 status was still poor [cobalamin: 168 (87-302) pmol/L; holotranscobalamin: 19 (8-45) pmol/L; methylmalonic acid: 0.7 (0.2-1.7) umol/L; homocysteine: 17.2 (2.6-96.8) umol/L; 4cB12 = - 1.34 (- 0.33 to - 3.3)]. CONCLUSION: 8-week supplementation with 3-ug cyano-B12 elevated serum cobalamin more than 3 ug hydroxo-B12, but all other biomarkers changed similarly in both groups. Supplementation with 3 ug vitamin B12 did not reverse the low status in individuals with nutritional vitamin B12 deficiency. CLINICAL TRIAL REGISTRY OF INDIA: REF/2017/02/013343. PMID- 29209774 TI - The relationship between the dietary inflammatory index and prevalence of radiographic symptomatic osteoarthritis: data from the Osteoarthritis Initiative. AB - PURPOSE: To investigate whether higher dietary inflammatory index (DII(r)) scores were associated with higher prevalence of radiographic symptomatic knee osteoarthritis in a large cohort of North American people from the Osteoarthritis Initiative database. METHODS: A total of 4358 community-dwelling participants (2527 females; mean age 61.2 years) from the Osteoarthritis Initiative were identified. DII(r) scores were calculated using the validated Block Brief 2000 Food-Frequency Questionnaire and scores were categorized into quartiles. Knee radiographic symptomatic osteoarthritis was diagnosed clinically and radiologically. The strength of association between divided into quartiles (DII(r)) and knee osteoarthritis was investigated through a logistic regression analysis, which adjusted for potential confounders, and results were reported as odds ratios (ORs) with 95% confidence intervals (CIs). RESULTS: Participants with a higher DII(r) score, indicating a more pro-inflammatory diet, had a significantly higher prevalence of radiographic symptomatic knee osteoarthritis compared to those with lower DII(r) score (quartile 4: 35.4% vs. quartile 1: 24.0%; p < 0.0001). Using a logistic regression analysis, adjusting for 11 potential confounders, participants with the highest DII(r) score (quartile 4) had a significantly higher probability of experiencing radiographic symptomatic knee osteoarthritis (OR 1.40; 95% CI 1.14-1.72; p = 0.002) compared to participants with the lowest DII(r) score (quartile 1). CONCLUSIONS: Higher DII(r) values are associated with higher prevalence of radiographic symptomatic knee osteoarthritis. PMID- 29209775 TI - Effect of Aggressive lipid-lowering treatment with Rosuvastatin on vascular endoTHelium function: evaluation of vascular endothelium function (EARTH study). AB - Vascular endothelial dysfunction plays an important role in the process of atherosclerosis up to the final stage of plaque rupture. Vascular endothelial dysfunction is reversible, and can be recovered by medications and life-style changes. Improvement in endothelial function may reduce cardiovascular events and improve long-term prognosis. A total of 50 patients with stable angina and dyslipidemia were enrolled, including patients who had not received prior treatment with statins and had serum LDL-C levels >= 100 mg/dL, and patients who had previously received statin treatment. All agreed to register regardless of their LDL-C level. Rosuvastatin was initially administered at a dose of 2.5 mg and appropriately titrated up to the maximum dose of 20 mg or until LDL-C levels lower than 80 mg/dL were achieved, for 24 weeks. Endothelial function was assessed by the reactive hyperemia peripheral arterial tonometry (RH-PAT) index in the radial artery by Endo-PAT(r) 2000 (Endo-PAT(r)2000, software version 3.0.4, Itamar Medical Ltd., Caesarea, Israel). RH-PAT data were digitally analyzed online by Endo-PAT(r)2000 at baseline and at 24 weeks. LDL-C and MDA-LDL C decreased from 112.6 +/- 23.3 to 85.5 +/- 20.2 mg/dL and from 135.1 +/- 36.4 to 113.9 +/- 23.5 mg/dL respectively (p < 0.0001). However, HDL-C, hs-CRP and TG did not change significantly after treatment. RH-PAT index levels significantly improved, from 1.60 +/- 0.31 to 1.77 +/- 0.57 (p = 0.04) after treatment, and the percent change of the RH-PAT index was 12.8 +/- 36.9%. Results of multivariate analysis show that serum LDL-C levels over 24 weeks did not act as a predictor of improvement of the RH-PAT index. However, HbA1c at baseline was an independent predictor which influenced the 24-week RH-PAT index level. The RH-PAT index of patients with high HbA1c at baseline did not improve after administration of rosuvastatin but it did improve in patients with low HbA1c at baseline. Aggressive lowering of LDL-C with rosuvastatin significantly improved the RH-PAT index, suggesting that it may improve endothelial function in patients with coronary artery disease.Clinical Trial Registration No: UMIN-CTR, UMIN000010040. PMID- 29209776 TI - Hyperoxia-induced cardiotoxicity and ventricular remodeling in type-II diabetes mice. AB - Hyperoxia, or supplemental oxygen, is regularly used in the clinical setting for critically ill patients in ICU. However, several recent studies have demonstrated the negative impact of this treatment in patients in critical care, including increased rates of lung and cardiac injury, as well as increased mortality. The purpose of this study was to determine the predisposition for arrhythmias and electrical remodeling in a type 2 diabetic mouse model (db/db), as a result of hyperoxia treatment. For this, db/db and their heterozygous controls were treated with hyperoxia (> 90% oxygen) or normoxia (normal air) for 72-h. Immediately following hyperoxia or normoxia treatments, mice underwent surface ECG. Excised left ventricles were used to assess ion channel expression, including for Kv1.4, Kv1.5, Kv4.2, and KChIP2. Serum cardiac markers were also measured, including cardiac troponin I and lactate dehydrogenase. Our results showed that db/db mice have increased sensitivity to arrhythmia. Normoxia-treated db/db mice displayed features of arrhythmia, including QTc and JT prolongation, as well as QRS prolongation. A significant increase in QRS prolongation was also observed in hyperoxia-treated db/db mice, when compared to hyperoxia-treated heterozygous control mice. Db/db mice were also shown to exhibit ion channel dysregulation, as demonstrated by down-regulation in Kv1.5, Kv4.2, and KChIP2 under hyperoxia conditions. From these results, we conclude that: (1) diabetic mice showed distinct pathophysiology, when compared to heterozygous controls, both in normoxia and hyperoxia conditions. (2) Diabetic mice were more susceptible to arrhythmia at normal air conditions; this effect was exacerbated at hyperoxia conditions. (3) Unlike in heterozygous controls, diabetic mice did not demonstrate cardiac hypertrophy as a result of hyperoxia. (4) Ion channel remodeling was also observed in db/db mice under hyperoxia condition similar to its heterozygous controls. PMID- 29209777 TI - Effects of aortic tortuosity on left ventricular diastolic parameters derived from gated myocardial perfusion single photon emission computed tomography in patients with normal myocardial perfusion. AB - Aortic tortuosity is often found on chest radiograph, especially in aged patients. We tested the hypothesis that aortic tortuosity was associated with LV diastolic parameters derived from gated SPECT in patients with normal myocardial perfusion. One-hundred and twenty-two patients with preserved LV ejection fraction and normal myocardial perfusion were enrolled. Descending aortic deviation was defined as the horizontal distance from the left line of the aortic knob to the most prominent left line of the descending aorta. This parameter was measured for the quantitative assessment of aortic tortuosity. Peak filling rate (PFR) and one-third mean filling rate (1/3 MFR) were obtained from redistribution images as LV diastolic parameters. Descending aortic deviation ranged from 0 to 22 mm with a mean distance of 4.5 +/- 6.3 mm. Descending aortic deviation was significantly correlated with age (r = 0.38, p < 0.001) and estimated glomerular filtration rate (eGFR) (r = - 0.21, p = 0.02). Multivariate linear regression analysis revealed that eGFR (beta = 0.23, p = 0.02) and descending aortic deviation (beta = - 0.23, p = 0.01) were significantly associated with PFR, and that only descending aortic deviation (beta = - 0.21, p = 0.03) was significantly associated with 1/3 MFR. Our data suggest that aortic tortuosity is associated with LV diastolic parameters derived from gated SPECT in patients with normal myocardial perfusion. PMID- 29209778 TI - Safety and efficacy of prourokinase injection in patients with ST-elevation myocardial infarction: phase IV clinical trials of the prourokinase phase study. AB - To evaluate the safety and efficacy in terms of infarct-related artery (IRA) patency of prourokinase (proUK) injection within 6 h after symptom onset in patients with ST-elevation myocardial infarction (STEMI). A total of 1851 patients with acute myocardial infarction were enrolled to receive thrombolytic therapy with proUK. Qualifying patients were injected with 20 mg proUK intravenously followed by intravenous infusion of 30 mg proUK within 30 min. IRA was evaluated by coronary angiography at 120 min after thrombolysis. The efficacy and safety of proUK thrombolysis were analyzed in all the enrolled patients. Successful clinical reperfusion was observed in 1580 patients (85.4%). The number of leads with ST segment elevation and the amplitude of ST segment elevation were significantly reduced within 24 h after thrombolytic therapy with proUK. Eighty three patients (4.48%) had died by the end of follow-up (7 days after thrombolysis), and the incidences of post-infarction angina, re-infarction or reocclusion, and emergency revascularization were 15.2, 4.21, and 8.27%, respectively. The most common bleeding complication was subcutaneous or mucosal bleeding and the incidence of intracranial hemorrhage was as lower as 0.32%. The fibrinolysis therapy with proUK is efficient and safe with very low rate of bleeding complications. It provides an alternative treatment options for STEMI patients especially in settings where primary PCI cannot be offered in a timely manner. PMID- 29209779 TI - Central regulation of brown adipose tissue thermogenesis and energy homeostasis dependent on food availability. AB - Energy homeostasis of mammals is maintained by balancing energy expenditure within the body and energy intake through feeding. Several lines of evidence indicate that brown adipose tissue (BAT), a sympathetically activated thermogenic organ, turns excess energy into heat to maintain the energy balance in rodents and humans, in addition to its thermoregulatory role for the defense of body core temperature in cold environments. Elucidating the central circuit mechanism controlling BAT thermogenesis dependent on nutritional conditions and food availability in relation to energy homeostasis is essential to understand the etiology of symptoms caused by energy imbalance, such as obesity. The central thermogenic command outflow to BAT descends through an excitatory neural pathway mediated by hypothalamic, medullary and spinal sites. This sympathoexcitatory thermogenic drive is controlled by tonic GABAergic inhibitory signaling from the thermoregulatory center in the preoptic area, whose tone is altered by body core and cutaneous thermosensory inputs. This circuit controlling BAT thermogenesis for cold defense also functions for the development of fever and psychological stress-induced hyperthermia, indicating its important role in the defense from a variety of environmental stressors. When food is unavailable, hunger-driven neural signaling from the hypothalamus activates GABAergic neurons in the medullary reticular formation, which then block the sympathoexcitatory thermogenic outflow to BAT to reduce energy expenditure and simultaneously command the masticatory motor system to promote food intake-effectively commanding responses to survive starvation. This article reviews the central mechanism controlling BAT thermogenesis in relation to the regulation of energy and thermal homeostasis dependent on food availability. PMID- 29209780 TI - Quality of work experience after angioplasty or heart surgery: a monocentric cohort study. AB - PURPOSE: The study evaluated work experience changes and its determinants after return to work (RTW) in angioplasty or heart surgery patients. METHODS: During a 1-year period (2014) in a Rehabilitation Hospital in northwestern Italy, we approached 253 patients (19.3% of inpatients). 199 patients consented to complete a survey on job characteristics, job satisfaction, job involvement, illness perception, depression, anxiety, adherence to therapy, and sociodemographic characteristics. The data were analysed with paired sample t tests and random intercept regression models. RESULTS: 156 patients completed both the baseline and the 6-month follow-up assessments. After 6 months, 137 (88%) patients return to work (86% male, M age = 51.9 +/- 8.1). The patients predominantly underwent angioplasty/bypass (46%) or valve replacement/repair (38%). Work hours (WO), job satisfaction (JS), and job involvement (JI) significantly decreased after RTW (WO: t (132) = 2.07, p < 0.05; JS: t (134) = 2.56, p < 0.05; JI: t (129) = 4.14, p < 0.001). The decrease in work hours over time was associated with a within subjects decrease in psychological job demands (beta = 5.107, t (112.1) = 2.21, p < 0.05) and job satisfaction (beta = 2.498, t (112.92) = 2.265, p < 0.05) and an increase in physical job demands (beta = - 1.314, t (112.07) = - 2.416, p < 0.05). The decrease in job satisfaction over time was related to a within subjects decrease in decision latitude (beta = 0.505, t (116.43) = 2.825, p < 0.01) and an increase in psychological job demand (beta = - 0.586, t (116.78) = - 3.141, p < 0.01). The decrease in job involvement over time was associated with a decrease in physical job demands (beta = 0.063, t (117.19) = 2.157, p < 0.05) within-subjects. CONCLUSIONS: The study showed that many patients who RTW after angioplasty or heart surgery have poorer work experiences relative to changes in psychological and physical demands and more passive roles. PMID- 29209781 TI - Age-dependent cognitive dysfunction in untreated hereditary transthyretin amyloidosis. AB - Central nervous system (CNS) involvement in hereditary transthyretin (TTR) amyloidosis has been described in patients whose disease course was modified by liver transplant. However, cognitive dysfunction has yet to be investigated in those patients. Moreover, CNS involvement in untreated patients or asymptomatic mutation carriers remains to be studied. A series of 340 carriers of the TTRVal30Met mutation (180 symptomatic and 160 asymptomatic) underwent a neuropsychological assessment, which included the Dementia Rating Scale-2 (DRS 2), auditory verbal learning test, semantic fluency, phonemic fluency, and trail making test. Cognitive deficits were identified at the individual level, after adjusting the neuropsychological test scores for demographic characteristics (sex, age, and education), based on large national normative data. The presence of cognitive dysfunction was determined by deficit in DRS-2 and/or multiple cognitive domains. Participants were also screened for depression based on a self report questionnaire. The frequency of cognitive dysfunction was higher (p = 0.003) in symptomatic (9%) than in asymptomatic (2%) carriers. Among older carriers (>= 50 years), the frequency of cognitive dysfunction was higher (p < 0.001) in symptomatic (36%) than asymptomatic (4%) individuals. Among younger participants (< 50 years), the frequency of cognitive dysfunction was not different (p = 0.631) between symptomatic patients (2%) and asymptomatic (1%) carriers. This cross-sectional study shows that cognitive dysfunction is part of the broad spectrum of clinical manifestations in older hereditary TTR amyloidosis patients with peripheral polyneuropathy, even in the early stages of the disease. PMID- 29209782 TI - Advances in immunotherapeutic research for glioma therapy. AB - Gliomas are primary malignancies of the brain. Tumors are staged based on malignancy, nuclear atypia, and infiltration of the surrounding brain parenchyma. Tumors are often diagnosed once patients become symptomatic, at which time the lesion is sizable. Glioblastoma (grade IV glioma) is highly aggressive and difficult to treat. Most tumors are diagnosed de novo. The gold standard of therapy, implemented over a decade ago, consists of fractionated radiotherapy and temozolomide, but unfortunately, chemotherapeutic resistance arises. Recurrence is common after initial therapy. The tumor microenvironment plays a large role in cancer progression and its manipulation can repress progression. The advent and implementation of immunotherapy, via manipulation and activation of cytotoxic T cells, have had an outstanding impact on reducing morbidity and mortality associated with peripheral cancers under certain clinical circumstances. An arsenal of immunotherapeutics is currently under clinical investigation for safety and efficacy in the treatment of newly diagnosed and recurrent high grade gliomas. These immunotherapeutics encompass antibody-drug conjugates, autologous infusions of modified chimeric antigen receptor expressing T cells, peptide vaccines, autologous dendritic cell vaccines, immunostimulatory viruses, oncolytic viruses, checkpoint blockade inhibitors, and drugs which alter the behavior of innate immune cells. Effort is focusing on determining which patient populations will benefit the most from these treatments and why. Research addressing synergism between treatment options is gaining attention. While advances in the treatment of glioma stagnated in the past, we may see a considerable evolution in the management of the disease in the upcoming years. PMID- 29209783 TI - Acute effect on ambulatory blood pressure from aerobic exercise: a randomised cross-over study among female cleaners. AB - PURPOSE: High occupational physical activity (OPA) is shown to increase the risk for elevated blood pressure, cardiovascular diseases and mortality. Conversely, aerobic exercise acutely lowers the blood pressure up to 25 h post exercise. However, it is unknown if this beneficial effect also apply for workers exposed to high levels of OPA. Cleaners constitute a relevant occupational group for this investigation because of a high prevalence of OPA and cardiovascular disease. Accordingly, the objective was to investigate the acute effects on ambulatory blood pressure from a single aerobic exercise session among female cleaners. METHODS: Twenty-two female cleaners were randomised to a cross-over study with a reference and an aerobic exercise session. Differences in 24-h, work hours, leisure time, and sleep ambulatory blood pressure (ABP) were evaluated using repeated measure 2 * 2 mixed-models. RESULTS: After the aerobic exercise session, the 24-h systolic ambulatory blood pressure was significantly lowered by 2.4 mmHg (p < 0.01) compared to the reference session. The 24-h diastolic ABP was unaltered. During work hours, a lowered systolic ABP of 2.2 mmHg (p = 0.02) and a higher diastolic ABP of 1.5 mmHg (p = 0.03) were found after the aerobic exercise session. During leisure time, the systolic ABP was lowered by 1.7 mmHg (p = 0.04) and the diastolic ABP was unaltered. During sleep, the systolic and diastolic ABP was unaltered. CONCLUSION: A single aerobic exercise session lowered 24-h systolic ABP of 2.4 mmHg. Thus, an aerobic exercise session seems to be beneficial for lowering the risk of hypertension among cleaners. PMID- 29209784 TI - AcAxl2 and AcMst1 regulate arthrospore development and stress resistance in the cephalosporin C producer Acremonium chrysogenum. AB - The filamentous fungus Acremonium chrysogenum is the primordial producer of the beta-lactam antibiotic cephalosporin C. This antibiotic is of major biotechnological and medical relevance because of its antibacterial activity against Gram-positive and Gram-negative bacteria. Antibiotic production during the lag phase of fermentation is often accompanied by a typical morphological feature of A. chrysogenum, the fragmentation of the mycelium into arthrospores. Here, we sought to identify factors that regulate the hyphal septation process and present the first comparative functional characterization of the type I integral plasma membrane protein Axl2 (axial budding pattern protein 2), a central component of the bud site selection system (BSSS) and Mst1 (mammalian Sterile20-like kinase), a septation initiation network (SIN)-associated germinal center kinase (GCK). Although an Acaxl2 deletion strain showed accelerated arthrospore formation after 96 h in liquid culture, deletion of Acmst1 led to a 24 h delay in arthrospore development. The overexpression of Acaxl2 resulted in an arthrospore formation similar to the A3/2 strain. In contrast to this, A3/2::Acmst1 OE strain displayed an enhanced arthrospore titer. Large-scale stress tests revealed an involvement of AcAxl2 in controlling osmotic, endoplasmic reticulum, and cell wall stress response. In a similar approach, we found that AcMst1 plays an essential role in regulating growth under osmotic, cell wall, and oxidative stress conditions. Microscopic analyses and plating assays on media containing Calcofluor White and NaCl showed that arthrospore development is a stress-dependent process. Our results suggest the potential for identifying candidate genes for strain improvement programs to optimize industrial fermentation processes. PMID- 29209785 TI - Sediment pollution in margins of the Lake Guaiba, Southern Brazil. AB - Sediments are formed by deposition of organic and inorganic particles on depth of water bodies, being an important role in aquatic ecosystems, including destination and potential source of essential nutrients and heavy metals, which may be toxic for living organisms. The Lake Guaiba supplies water for approximately two million people and it is located in the metropolitan region of Porto Alegre, Rio Grande do Sul State, Brazil. Thus, the aim of this study was to evaluate the sediment pollution in the margins of Lake Guaiba in the vicinity of Porto Alegre city. Surface sediment was sampled in 12 sites to assess the concentration of several elements (C, N, P, Fe, Al, Ca, Mg, Na, K, Mn, Ba, Zn, V, Pb, Cu, Cr, Ni, Cd, Mo, and Se) and the mineralogical composition. Sediment in margins of Lake Guaiba presented predominantly (> 95%) sandy fraction in all samples, but with significant differences between evaluated sites. Sediments in the margins of Lake Guaiba showed indications of punctual water pollution with Pb, Cu, Cr, Ni, TOC, TKN, and P, mainly derived from urban streams that flow into the lake. In order to solve these environmental liabilities, public actions should not focus only on Guaiba, but also in the streams that flow into the lake. PMID- 29209787 TI - [Different levels of experience with anesthetic agents of German emergency physicians : Results of an online survey]. AB - BACKGROUND AND OBJECTIVE: In 2015 practice management guidelines on prehospital emergency anesthesia in adults were published in Germany. The aim of the present study was to evaluate whether emergency physicians follow these guidelines in daily practice and to assess their level of experience with the use of anesthetic agents. MATERIAL AND METHODS: In an online survey the way of induction of preclinical anesthesia (including preoxygenation time and applied monitoring techniques) was assessed with the help of virtual scenarios based on the guidelines. Furthermore, the individual level of experience with specific anesthetic agents was estimated by the total number of anesthetic procedures performed with these drugs (0, 1-10, 11-25, 26-50, 51-100, and >100 procedures). RESULT: A total of 155 emergency physicians answered the online survey. Except for cardiac patients and for the preoxygenation time, we found a high accordance between specific algorithms proposed in the guidelines and emergency physicians' clinical practice. Furthermore, the median level of experience with rocuronium and succinylcholine was significantly higher compared to vecuronium. With respect to induction agents the highest level of experience was found for propofol and thiopental, the lowest for the combination of ketamine/propofol and midazolam. Generally, compared to non-anesthetists, emergency physicians had significantly higher levels of experience with the use of these anesthetic agents (except for etomidate and vecuronium). Over 94% used a 4-lead electrocardiogram (ECG), pulse oxymetry, non-invasive blood pressure and quantitative capnography for monitoring. The availability of succinylcholine was 91%, rocuronium 55%, vecuronium 29% and sugammadex 9%. CONCLUSION: The results of this survey demonstrate that clinical practice of emergency physicians is in high accordance with the recommendations named in the guidelines for prehospital emergency anesthesia in adults (except for cardiac patients and time of preoxygenation). With respect to the lower levels of experience of non-anesthetists in the use of anesthetic drugs, specific training concepts may help to further improve the quality of preclinical emergency care. PMID- 29209786 TI - Prognostic value of preprocedural 6-min walk test in patients undergoing transcatheter mitral valve repair-insights from the German transcatheter mitral valve interventions registry. AB - AIMS: The 6-min walk test (6 MWT) has been established as an important tool for functional assessment in heart failure patients. However, its prognostic impact on the outcome in subjects with mitral regurgitation undergoing transcatheter mitral valve repair is unknown. METHODS: This present work represents a sub analysis of the German, prospective, multicenter, Transcatheter Mitral Valve Interventions (TRAMI) registry. Of the main study cohort (n = 828) 326 patients underwent 6 MWT prior to the procedure. Patients were assigned to two groups depending on the preprocedural 6 MWT distance using the median (< 200 m [group 1] vs. >= 200 m [group 2]). RESULTS: No differences regarding procedural success (97 vs. 96%; p = 0.71) and 30-day mortality (3 vs. 4%; p = 0.96) were observed between the groups. With regards to 1-year outcome, patients with a walking distance < 200 m had higher all-cause mortality (26 vs. 14%; p = 0.013) as compared to those with a 6 MWT distance 200 m. After adjustment of baseline risk factors, 6 MWT distance < 200 m still showed a strong trend towards increased 1 year all-cause mortality (HR 1.63, 95% confidence interval 0.96-2.76; p = 0.071). CONCLUSIONS: In the present study preprocedural 6 MWT distance < 200 m showed a strong trend towards increased 1-year mortality in patients undergoing MitraClip implantation. PMID- 29209788 TI - [Reform of emergency physician training in Austria : Finally up to date?] AB - During the last 20 years Austrian prehospital emergency medical services (EMS) have significantly improved. The structure and organization of Austrian EMS comply with European standards but training requirements for prehospital EMS physicians are insufficient when compared with other countries. Although some EMS systems follow the German or Swiss postgraduate training concepts, the legal requirements in Austria defining the scope of mandatory training for physicians in the prehospital setting are only minimal. Thus, besides board certification as a general practitioner or specialist of any discipline, the only formal requirement is a 1-week theoretical course comprising some manikin simulations. Experience in anesthesia or intensive care medicine is still not mandatory. The Austrian Society of Anesthesiology, Resuscitation and Intensive Care Medicine (OGARI) drafted a reform paper in 2009, which was adapted by the Austrian Chamber of Physicians, section of emergency medicine, and subsequently presented to the Austrian Ministry of Health. Due to the slowness of the legislation process, the relevant S 40 of the Austrian Physician 's Act is still unchanged. In the meantime, Austrian specialist training regulations were restructured in 2015 with significant consequences. Due to changes in the residency programs, board certification and subsequent full working permit becomes more difficult to obtain, thus further aggravating the shortage of emergency physicians in Austria. In order to counteract the threatening shortage of prehospital EMS physicians, the OGARI section of emergency medicine was requested by the Ministry of Health to develop a reasonable model for how physicians could be qualified and subsequently employed in EMS prior to full board certification. Presently, the Austrian Ministry of Health, the Chamber of Physicians and medical societies are in discussion on whether this approach might fit into the legal framework. This manuscript details the development and present status as well as key points of an ongoing discussion on how high-quality EMS care in Austria can be safeguarded in the future or could even make it impossible. PMID- 29209789 TI - [Novel aspects of the guidelines for hemotherapy 2017 : Implications for anesthesiology]. AB - Based on the German Transfusion Law, the periodically updated guidelines "Richtlinien zur Gewinnung von Blut und Blutbestandteilen und zur Anwendung von Blutprodukten" ("Hamotherapierichtlinien") are intended to provide the current knowledge and state of the art of blood transfusion practice in Germany. The novel update 2017 contains relevant changes for blood donation, especially the extension of the exclusion period of persons at risk for sexually transmitted HBV, HCV and HIV diseases to 12 months. Moreover, the guidelines provide several changes relevant to blood transfusion practice in anesthesiology, such as: all autologous hemotherapy procedures including normovolemic hemodilution, cell saver, and autologous blood donation and transfusion require formal registration at the regulatory authority. A special detailed protocol is required for every cell saver use. A formal quality control procedure for cell saver use is necessary at least every 3 months. Retransfusion of unprocessed shed blood is generally not permitted. Guidance is provided for the clinical situation of lacking consent for blood transfusion in emergency situations (under certain circumstances blood transfusion may still be allowed). For the first time, the concept of "patient blood management" is explicitly mentioned and recommended in the guidelines. Especially the novel regulations regarding autologous blood use impose new challenges in clinical practice in anesthesiology. PMID- 29209790 TI - [Delegation of medical activities in acute pain therapy]. AB - Acute pain management is an interprofessional and interdisciplinary task and requires a good and trustful cooperation between stakeholders. Despite provisions in Germany according to which medical treatment can only be rendered by a formally qualified physician ("Arztvorbehalt"), a physician does not have to carry out every medical activity in person. Under certain conditions, some medical activities can be delegated to medical auxiliary personnel but they need to be (1) instructed, (2) supervised and (3) checked by the physician himself; however, medical history, diagnostic assessment and evaluation, indications, therapy planning (e.g. selection, dosage), therapeutic decisions (e. g. modification or termination of therapy) and obtaining informed consent cannot be delegated. With respect to drug therapy, monitoring of the therapy remains the personal responsibility of the physician, while the actual application of medication can be delegated. From a legal perspective, the current practice needs to be stressed about what is within the mandatory requirements and what is not when medical activities are delegated to non-medical staff. The use of standards of care improves treatment quality but like any medical treatment it must be based on the physician's individual assessment and indications for each patient and requires personal contact between physician and patient. Delegation on the ward and in acute pain therapy requires the authorization of the delegator to give instructions in the respective setting. The transfer of non-delegable duties to non-medical personnel is regarded as medical malpractice. PMID- 29209791 TI - Electrification of Biotechnology: Status quo. AB - Interfacing microbial, enzymatic, and electrochemical transformations has led to the new field of electrobiotechnology. Among the plethora of applications (including electric energy generation via pollutant removal), the synthesis of chemicals and energy carriers (e.g. H2) has sparked great interest. The linked transformation of chemical and electric energy may allow the joint utilization of renewable feedstock and sustainable electricity to gain commodities and fuels. The overall field is now referred to as bioelectrosynthesis and is a focus of this book. Starting with the rationale for using bioelectrosynthesis in a bioeconomy, this chapter provides a brief introduction to the field of electrobiotechnology. Subsequently, the chapter discusses the framework for bioelectrosynthesis, which is based on enzymes as well as microorganisms, and provides a definition of bioelectrosynthesis. The chapter concludes with a short overview on the history of the field. Graphical Abstract. PMID- 29209792 TI - The impact of smoking on disease measures in rheumatoid arthritis: the need for appropriate adjustment of time-varying confounding. AB - In a recent publication, Quintana-Dunque et al. studied patients with early onset rheumatoid arthritis (RA) and showed that baseline smoking status was inversely associated with disease activity and disability at 36 months. The authors conclude that smoking may not be as deleterious as previously considered in RA disease course. However, the authors fail to highlight several limitations of study design and analysis, including time-varying confounding, which may have a direct impact on results and corresponding conclusions. PMID- 29209793 TI - Degenerative changes after posterior cruciate ligament reconstruction are irrespective of posterior knee stability: MRI-based long-term results. AB - INTRODUCTION: Posterior cruciate ligament reconstruction (PCLR) is advocated to prevent an early onset of osteoarthritis. We hypothesized that posterior instability after PCLR correlates with degenerative changes. MATERIALS AND METHODS: MRIs of 42 (12 female/30 male; 39 +/- 9 years) patients were enrolled with a minimum 5-year follow-up (FFU) after PCLR. In addition, 25 contralateral and 15 follow-up MRIs (12 months after baseline) were performed. Degenerative changes were graded using WORMS. Posterior tibial translation (PTT) was measured using posterior stress radiographs. Outcome parameters included WORMS/cartilage subscore for the whole joint, patellofemoral (PFJ), medial (MFTJ), and lateral femorotibial joint (LFTJ). RESULTS: Final follow-up was 101 (range 68-168) months. WORMS reached 41.5 [18.5-56.8]. Regional WORMS for PFJ was significantly higher than MFTJ and LFTJ. Cartilage subscore yielded 7 [2.8-15]. MFTJ and PFJ were significantly higher than LFTJ. Primary outcome parameters were significantly higher than the contralateral knee (P < 0.0001) and significantly increased within 12 months (P = 0.0002). There was a significant correlation between the intraoperative degree of cartilage injury and WORMS (P < 0.0001 with r = 0.64) and between the number of previous surgery and the cartilage subscore (P = 0.03 with r = 0.32). Meniscal surgery led to a significantly higher WORMS (P = 0.035). Combined risk models revealed that women below the mean age had significantly lower WORMS (P = 0.001) and cartilage subscores (P = 0.003). CONCLUSIONS: Patients undergo degenerative changes after PCLR, which are significantly higher compared to the contralateral knee. These occur predominantly at PFJ/MFTJ and are irrespective of posterior stability. Concomitant meniscus/cartilage injuries and a high number of previous surgeries are further risk factors. PMID- 29209794 TI - Advances in therapeutic bacterial antisense biotechnology. AB - Antisense therapeutics are a biotechnological form of antibiotic therapy using chemical analogues of short single-stranded nucleic acid sequences modified to form stable oligomers. These molecules are termed antisense oligonucleotides (ASOs) because their sequence is complementary, via Watson-Crick specific base pairing, to their target messenger RNA (mRNA). ASOs modify gene expression in this sequence-dependent manner by binding to its complementary mRNA and inhibiting its translation into protein through steric blockage and/or through RNase degradation of the ASO/RNA duplex. The widespread use of conventional antibiotics has led to the increasing emergence of multiple drug-resistant pathogenic bacteria. There is an urgent need to develop alternative therapeutic strategies to reduce the morbidity and mortality associated with bacterial infections, and until recently, the use of ASOs as therapeutic agents has been essentially limited to eukaryotic cells, with ASOs as antibacterials having been largely unexplored primarily due to the poor uptake efficiency of antisense molecules by bacteria. There are conceptual advantages to bacterial antisense antibiotic therapies, including a sequence-dependent approach that allows for a rational design to multiple specific molecular targets. This review summarizes the current knowledge of antisense bacterial biotechnology and highlights the recent progress and the current obstacles in their development for therapeutic applications. PMID- 29209796 TI - [Spindle-cell osteosclerotic bone lesion with MDM2 amplification]. AB - This case report presents an osteosclerotic bone lesion in a 49-year-old man with MDM2 amplification. The final diagnosis shows metastasis to the bones from stomach cancer. In primary bone tumours, the MDM2 amplifications observed have been described for many other tumour entities as well, and therefore do not exclude bone metastasis from a carcinoma. PMID- 29209795 TI - Exploring anaerobic environments for cyanide and cyano-derivatives microbial degradation. AB - Cyanide is one of the most toxic chemicals for living organisms described so far. Its toxicity is mainly based on the high affinity that cyanide presents toward metals, provoking inhibition of essential metalloenzymes. Cyanide and its cyano derivatives are produced in a large scale by many industrial activities related to recovering of precious metals in mining and jewelry, coke production, steel hardening, synthesis of organic chemicals, and food processing industries. As consequence, cyanide-containing wastes are accumulated in the environment becoming a risk to human health and ecosystems. Cyanide and related compounds, like nitriles and thiocyanate, are degraded aerobically by numerous bacteria, and therefore, biodegradation has been offered as a clean and cheap strategy to deal with these industrial wastes. Anaerobic biological treatments are often preferred options for wastewater biodegradation. However, at present very little is known about anaerobic degradation of these hazardous compounds. This review is focused on microbial degradation of cyanide and related compounds under anaerobiosis, exploring their potential application in bioremediation of industrial cyanide containing wastes. PMID- 29209797 TI - [Morphology of non cutaneous head and neck squamous cell carcinoma]. AB - Head and neck squamous cell carcinoma (HNSCC) is by far the most frequent malignant tumor in this anatomic region. Today, HNSCC is divided into two morphologically, molecularly and clinically fundamentally different entities: conventional and virus-associated (HPV/EBV) neoplasms. Premalignant lesions of nonvirus-associated HNSCC include conventional leukoplakia, dysplasia and proliferative verrucous hyperplasia with an increasing risk for malignant transformation. The morphology of HNSCC comprises a spectrum of growth patterns. In addition, special types of HNSCC must be delineated. Recently, for virus associated HNSCC, some important clinicopathological specifics have become relevant including a separate staging system for these neoplasms. For non-virus associated HNSCC, new grading procedures have been proposed, which significantly impact on prognosis. These issues will be discussed in this review. PMID- 29209798 TI - [Two synchronous malignancies in a single nephrectomy specimen]. AB - We report a case of a 65-year-old man examined for hematuria and neurologic symptoms. Radiologically a tumour of the kidney was suspected, with metastatic involvement of the brain and both lungs. The urologists then performed a cytoreductive nephrectomy.In histopathological examination of the nephrectomy specimen a clear cell renal cell carcinoma (clear cell RCC) was found. However, an additional focus of a high-grade adenocarcinoma was discovered that turned out to be a metastasis of a poor differentiated lung adenocarcinoma. This diagnosis was supported by positive TTF1 and napsin-A as well as good clinical correlations.The article summarizes the differential diagnostic considerations of poor differentiated adenocarcinoma of the kidney, aimed at gross and microscopic morphology, immunohistochemistry and clinical-pathological correlation. A review of literature about a tumour-in-tumour metastasis is included. PMID- 29209799 TI - [Chondroblastoma]. AB - Chondroblastomas are very rare benign primary bone tumors occurring preferentially in the epiphyses or apophyses of long bones in children and adolescents. In most cases the typical histological and imaging findings lead to a correct diagnosis that may be substantiated by demonstrating the highly specific point mutation in the H3F3B gene (p.K36M), either by sequencing or immunohistochemistry. Recurrences occur in 5-15% of cases, postsurgical metastatic deposits to the lungs are very rare (<1%). Histologically "malignant" chondroblastomas have been reported as single case reports. The treatment of choice is a thorough curettage, also in the case of local relapses. PMID- 29209800 TI - Long-term variations of aerosol optical depth and aerosol radiative forcing over Iran based on satellite and AERONET data. AB - In this study, three different sensors of satellites including the Moderate Resolution Imaging Spectroradiometer (MODIS), Multi-angle Imaging SpectroRadiometer (MISR), and Total Ozone Mapping Spectrometer (TOMS) were used to study spatial and temporal variations of aerosols over ten populated cities in Iran. Also, the Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model was used for analyzing the origins of air masses and their trajectory in the area. An increasing trend in aerosol concentration was observed in the most studied cities in Iran during 1979-2016. The cities in the western part of Iran had the highest annual mean of aerosol concentration. The highest aerosol optical depth (AOD) value (0.76 +/- 0.51) was recorded in May 2012 over Ahvaz, and the lowest value (0.035 +/- 0.27) was recorded in December 2013 over Tabriz. After Ahvaz, the highest AOD value was found over Tehran (annual mean 0.11 +/- 0.20). The results show that AOD increases with increasing industrial activities, but the increased frequency of aerosols due to land degradation and desertification is more powerful in Iran. The trajectory analysis by the HYSPLIT model showed that the air masses come from Egypt, Syria, and Lebanon and passed over the Iraq and then reached to Iran during summer. Aerosol radiative forcing (ARF) has been analyzed for Zanjan (Aerosol Robotic Network site) during 2010-2013. The ARF at surface and top of the atmosphere was found to be ranging from - 79 to - 10W m-2 (average - 33.45 W m-2) and from - 25 to 6 W m-2 (average - 12.80 W m-2), respectively. PMID- 29209801 TI - [Interprofessional multistation practical training in the auditorium : Implementation of the national competence-based catalog of learning objectives for undergraduate medical education in the cross-sectorial area medicine of aging and the aged at the TU Dresden]. AB - BACKGROUND: The German national competence-based catalogue of learning objectives for undergraduate medical education (NKLM) newly introduced in 2015, provides a variety of learning objectives, competences, as well as practical skills for the cross-sectorial area 7 "Medication of Aging and the Aged" (QB7). Against this background an interdisciplinary teaching concept to mediate all required teaching contents should be developed. OBJECTIVE: Can an interdisciplinary multistation practical course in the auditorium, in which different tasks and skills are trained at each station meet the requirements of the NKLM? MATERIAL AND METHODS: Evaluation by questionnaire and rating of answers on a 6-stage Likert scale. Analysis of the qualitative and quantitative evaluation results of 235 participating students and 13 lecturers in 2016. RESULTS: The interdisciplinary multistation practical course in the auditorium is fully compliant with the NKLM. All theoretical and practical contents and competences could be depicted. The subjective learning effect was assessed by students as good (mean = 2.66; SD = 0.94; N = 230). The available teaching time was rated as being too short in qualitative statements. The lecturers attested a high degree of interest by the students (mean = 2.15; SD = 0.86; N = 13), but criticized that the noise level was too loud. DISCUSSION: Compact, hands-on and interdisciplinary teaching concepts in the QB7 help to make the best use of human and spatial resources and convey all theoretical and practical teaching contents and competences from the NKLM; however, the planning, organization and implementation are very time consuming. PMID- 29209802 TI - [Doping for the brain]. AB - The enhancement of physical and cognitive abilities (i. e. concentration, vigilance, memory) has always been desirable for humans. The term pharmacological neuroenhancement refers to the use of legal or nonprescription psychoactive substances by healthy subjects with the intention of cognitive enhancement. To give the most prominent example, caffeine serves worldwide as a natural stimulant. Brain doping, however, specifies the use of illegal substances or prescription drugs beyond approval with the purpose of cognitive enhancement. Only amphetamines, methylphenidate and modafinil have significant effects on attentiveness, concentration and alertness, whereas other substances, such as anti-dementia drugs or anti-depressants failed to demonstrate cognitive enhancement in healthy subjects. PMID- 29209803 TI - [OurPuppet - Caring support with an interactive puppet for informal caregivers : Opportunities and challenges in the social and technical developmental process]. AB - BACKGROUND: The "OurPuppet" project comprises a sensor-based, interactive puppet that will be developed to communicate with people in need of care during a short period of absence of the informal caregiver. Specially qualified puppet guides will support the use of the new technical development. They instruct people with dementia and caregivers on how to use the puppet and supervise the (informal) care relationship through discussions on a regular basis. OBJECTIVES: The article shows the specific components of users' needs for which the concrete technical development should find answers. It also focuses on the opportunities and challenges for the technical and social developmental process accompanied by these demands. MATERIAL AND METHODS: The analysis of the users' needs is based on a participatory approach. Semi-structured focus group interviews were conducted with informal caregivers, nurses and volunteers in order to identify typical situations in home care settings. The interviews were paraphrased and summarized in order to deduce inductive categories (qualitative data analysis), which describe everyday situations that the technical system should address. RESULTS AND CONCLUSION: Such analyses provide information about the needs of potential users and indicate how to design such technical systems. Furthermore, opportunities and challenges of the development process as well as important contextual information were identified. PMID- 29209804 TI - Efferents of anterior cingulate areas 24a and 24b and midcingulate areas 24a' and 24b' in the mouse. AB - The anterior cingulate cortex (ACC), constituted by areas 25, 32, 24a and 24b in rodents, plays a major role in cognition, emotion and pain. In a previous study, we described the afferents of areas 24a and 24b and those of areas 24a' and 24b' of midcingulate cortex (MCC) in mice and highlighted some density differences among cingulate inputs (Fillinger et al., Brain Struct Funct 222:1509-1532, 2017). To complete this connectome, we analyzed here the efferents of ACC and MCC by injecting anterograde tracers in areas 24a/24b of ACC and 24a'/24b' of MCC. Our results reveal a common projections pattern from both ACC and MCC, targeting the cortical mantle (intracingulate, retrosplenial and parietal associative cortex), the non-cortical basal forebrain, (dorsal striatum, septum, claustrum, basolateral amygdala), the hypothalamus (anterior, lateral, posterior), the thalamus (anterior, laterodorsal, ventral, mediodorsal, midline and intralaminar nuclei), the brainstem (periaqueductal gray, superior colliculus, pontomesencephalic reticular formation, pontine nuclei, tegmental nuclei) and the spinal cord. In addition to an overall denser ACC projection pattern compared to MCC, our analysis revealed clear differences in the density and topography of efferents between ACC and MCC, as well as between dorsal (24b/24b') and ventral (24a/24a') areas, suggesting a common functionality of these two cingulate regions supplemented by specific roles of each area. These results provide a detailed analysis of the efferents of the mouse areas 24a/24b and 24a'/24b' and achieve the description of the cingulate connectome, which bring the anatomical basis necessary to address the roles of ACC and MCC in mice. PMID- 29209805 TI - Selected persistent organic pollutants (POPs) in water of River Niger: occurrence and distribution. AB - This study assessed the levels and distribution of selected persistent organic pollutants (POPs) in water of River Niger. The selected POPs of interest were organochlorine pesticides (OCPs). Fifteen representative sites along River Niger: three each from Gurara River (tributary) in Niger State, Lokoja (confluence) in Kogi State, Onitsha in Anambra State, Brass and Nicolas Rivers (tributaries) in Bayelsa State were selected for sampling quarterly over a 24-month period. A total of 240 surface and bottom water samples were collected using Van Dorn water sampler in the eight quarters of 2008-2009. At the Delta locations where tidal effects take place, high- and low-tide water samples were taken as compared to surface and bottom at the River Niger locations. For sample extraction, EPA method 3510c was employed with slight modifications. Certified reference standards from Accustandards USA was used for the instrument calibration and quantification of OCPs. The extracted samples were subjected to gas chromatography (GC/ECD) for identification/quantification. And Shimadzu GCMS QP2010 was used for confirmation. Chlordane, endosulfan, endrin and DDT metabolites were very prominent in the water samples, compared to HCH, dieldrin, and isomers which occurred at lower concentrations. The sequence in the concentration of the organochlorine pesticides were ?chlordane > ?DDT > ?endosulfan > ?endrine > ?dieldrin > ?HCH. The highest concentration of ?OCPs in water samples of River Niger, 1138.0 +/- 246.7 ng/L, with range 560.8-1629 ng/L was detected at Onitsha location, while the lowest concentration, 292.6 +/- 74.9, with range 181-443.0 ng/L was detected at Nicolas River. Levels of OCPs in a larger percentage of the samples exceeded guidelines and therefore hold potential harmful effects on benthic fauna, fish, and man. Abstraction of water from the River for drinking water treatment should be discouraged. Because of the potential danger, this presents, continuous monitoring of the water body and if possible remediation, determination of the sources of the POPs is therefore very necessary. PMID- 29209806 TI - Response to: Comparison of direct anterior, lateral, posterior and posterior-2 approaches in total hip arthroplasty: network meta-analysis. Eur J Orthop Surg Traumatol, 2017 Sep 27, doi: 10.1007/s00590-017-2046-1 [Epub ahead of print]. PMID- 29209807 TI - Clinical relevance of active straight leg raising, standing up, and walking after total knee arthroplasty in a cross-sectional study. AB - BACKGROUND: Active straight leg raising (ASLR) is used to assess restoration of the quadriceps muscle immediately after total knee arthroplasty (TKA). This study aimed to (1) compare the times required to accomplish ASLR, standing up, and walking after TKA, and (2) evaluate the correlation between the time required to accomplish ASLR and perioperative patient-related factors. METHODS: This cross sectional study included 271 patients (335 primary TKAs performed using the conventional medial parapatellar approach). Postoperative times required until each activity was accomplished were confirmed. Various factors that might impact ASLR, including prosthetic design, were also evaluated. RESULTS: Post-TKA, it took 1.5 +/- 0.5 days to accomplish ASLR, 1.3 +/- 0.6 days to accomplish standing up, and 1.4 +/- 0.7 days to accomplish walking. There were no significant correlations between any factor and ASLR. Strong correlations were found between the times required to accomplish standing up and walking (p < 0.0001, r = 0.804). There were no significant correlations between the times required to accomplish ASLR and standing up/walking. A longer time was necessary for ASLR accomplishment than for standing up (p < 0.001) and walking (p < 0.001). Standing up was accomplished earlier than walking (p = 0.008). CONCLUSIONS: There was no delay in post-TKA ASLR accomplishment compared with previous reports. No factors affecting ASLR during the perioperative period suggested that ASLR was controlled by factors other than knee joint-related factors. ASLR was not correlated with standing up/walking; hence, the clinical significance of ASLR immediately after TKA for early ambulation is unclear. LEVEL OF EVIDENCE: Prognostic study, Level II. PMID- 29209808 TI - Minimal influence of the anterolateral knee ligament on anterior and rotational laxity of the knee: a cadaveric study. AB - Knee laxity may be impacted by rupture of the anterolateral knee ligament (ALL). The goal of this study was to measure tibial translation and rotation as a function of the status of the ALL and the anterior cruciate ligament (ACL). Five pairs of fresh frozen cadaver specimens were analyzed. The knee was positioned in 20 degrees flexion. Calibrated posteroanterior forces and internal/external torques were successively applied. Anterior tibial translation and total internal/external tibial rotation were measured with a navigation system. Three conditions were used in each knee: intact ACL and ALL, transection of ACL or ALL (randomly assigned to each knee of a pair), and transection of both ligaments. The primary outcome criterion was the increase in tibial rotation at 8 Nm. The mean increase in tibial rotation at 8 Nm was 0.8 degrees after transecting the ALL only, 1.2 degrees after transecting the ACL only, and 0.8 degrees after transecting both ligaments. The mean increase in anterior tibial translation at 250 N was 1.2 mm after transecting the ALL only, 9.0 mm after transecting the ACL only, and 6.1 mm after transecting both ligaments. There was no significant increase in the tibial rotation or anterior tibial translation after transecting the ALL only or after transecting the ALL in ACL-deficient knees. The expected role of ALL in controlling anterior or rotational tibia motion could not be confirmed. PMID- 29209809 TI - Reduction and temporary stabilization of Tile C pelvic ring injuries using a posteriorly based external fixation system. AB - Tile C pelvic ring injuries are challenging to manage even in the most experienced hands. The majority of such injuries can be managed using percutaneous reduction techniques, and the posterior ring can be stabilized using percutaneous transiliac-transsacral screw fixation. However, a subgroup of patients present with inadequate bony corridors, significant sacral zone 2 comminution or significant lateral/vertical displacement of the hemipelvis through a complete sacral fracture. Percutaneous strategies in such circumstances can be dangerous. Those patients may benefit from prone positioning and open reduction of the sacral fracture with fixation through tension band plating or lumbo-pelvic fixation. Soft tissue handling is critical, and direct reduction techniques around the sacrum can be difficult due to the complex anatomy and the fragile nature of the sacrum making clamp placement and tightening a challenge. In this paper, we propose a mini-invasive technique of indirect reduction and temporary stabilization, which is soft tissue friendly and permits maintenance of reduction during definitive fixation surgical. PMID- 29209810 TI - A comparison of the MeltPro(r) HPV Test with the Cobas(r) HPV Test for detecting and genotyping 14 high-risk human papillomavirus types. AB - The clinical performance of the newly developed MeltPro(r) HPV Test, based on multicolor melting curve analysis, was evaluated and compared with the commercially available Cobas(r) HPV Test for detection of HPV and genotyping of HPV-16 and HPV-18. A total of 1647 cervical samples were analyzed with both tests. The agreement values were 96.2% for HPV detection, 99.6% for HPV-16 identification, and 99.7% for HPV-18 identification. All genotyping results from MeltPro(r) HPV Test showed that HPV-52, HPV-58, and HPV-16 were the most common types in this study. Intra-laboratory reproducibility studies showed 97.8% agreement while inter-laboratory reproducibility studies showed 96.9% agreement for the MeltPro(r) HPV Test. The MeltPro(r) HPV Test and Cobas(r) HPV Test are highly correlative and are useful for monitoring HPV infection. PMID- 29209811 TI - The nucleotide sequence of a recombinant tomato yellow leaf curl virus strain frequently detected in Sicily isolated from tomato plants carrying the Ty-1 resistance gene. AB - In July 2016, an aggressive syndrome of tomato yellow leaf curl disease was reported in Sicily in tomato plants carrying the Ty-1 resistance gene. A total of 34 samples were collected and analyzed. Twenty-seven out of the 34 samples analyzed appeared to contain only recombinant molecules. One full sequence was obtained after cloning. Alignments and plot similarity analysis showed that the genome of the recombinant, named TYLCV-IL[IT:Sic23:16], was mostly derived from tomato yellow leaf curl virus (TYLCV), with a small region of 132 nucleotides in the non-coding region between the stem-loop and the start of the V2 ORF replaced by 124 nucleotides derived from a virus of a different species, tomato yellow leaf curl Sardinia virus. All plants in which the new recombinant was detected belonged to resistant tomato cultivars. PMID- 29209812 TI - Genome characterization of an Argentinean isolate of alfalfa leaf curl virus. AB - We investigated the molecular characteristics of an Argentinean isolate of alfalfa leaf curl virus (ALCV-Arg), a virus of the genus Capulavirus in the family Geminiviridae that was isolated from alfalfa plants showing dwarfism. The genome was found to be 2,750 nucleotides in length. In pairwise comparisons, this ALCV isolate shared 83.2% to 92.6% sequence identity with European ALCV isolates. Sequence comparisons and phylogenetic analysis showed that this isolate combines features of strains A and B of ALCV. Recombination analysis showed that ALCV-Arg is a recombinant isolate that was generated by intraspecific recombination between ALCV strains A and B. The results of this study not only show that ALCV Arg is unique because it combines features of strains A and B but also show that ALCV naturally infects this forage crop on the American continent. PMID- 29209813 TI - FSP1-specific SMAD2 knockout in renal tubular, endothelial, and interstitial cells reduces fibrosis and epithelial-to-mesenchymal transition in murine STZ induced diabetic nephropathy. AB - Extracellular matrix deposition during tubulointerstitial fibrosis (TIF), a central pathological process in patients with diabetic nephropathy (DN), is driven by locally activated, disease-relevant myofibroblasts. Myofibroblasts can arise from various cellular sources, e.g., tubular epithelial cells via a process named epithelial-to-mesenchymal transition (EMT). Transforming growth factor beta 1 (TGF-beta1) and its downstream Smad signaling play a critical role in both TIF and EMT. Whereas Smad3 is one central mediator, the role of the other prominently expressed variant, Smad2, is not completely understood. In this study, we sought to analyze the role of renal Smad2 in the development of TIF and EMT during streptozotocin-induced DN by using a fibroblast-specific protein 1 (FSP1) promotor-driven SMAD2 knockout mouse model with decreased tubular, endothelial, and interstitial Smad2 expression. In contrast to wild-type diabetic mice, diabetic SMAD2 knockout mice showed the following features: (1) significantly reduced DN and TIF (shown by KIM1 expression; periodic acid Schiff staining; collagen I and III, fibronectin, and connective tissue growth factor deposition); (2) significantly reduced tubular EMT-like changes (e.g., altered Snail1, E cadherin, matrix metalloproteinase 2, and vimentin deposition); and (3) significantly decreased expression of myofibroblast markers (alpha-smooth muscle actin, FSP1). As one mechanism for the protection against diabetes-induced TIF and EMT, decreased Smad3 protein levels and, as a possible consequence, reduced TGF-beta1 levels were observed in diabetic SMAD2 knockout mice. Our findings thus support the important role of Smad2 for pro-fibrotic TGF-beta/Smad3 signaling in experimental DN. PMID- 29209814 TI - Teleconsultation in type 1 diabetes mellitus (TELEDIABE). AB - AIMS: The growing incidence of diabetes and the need to contain healthcare costs empower the necessity to identify new models of care. Telemedicine offers an acknowledged instrument to provide clinical health care at a distance, increasing patient compliance and the achievement of therapeutical goals. The objective was to test the feasibility and the efficacy in the improvement of the glycemic control of the teleconsultation for patients with type 1 diabetes mellitus. METHODS: A randomized open-label, parallel arms, controlled trial was conducted in two diabetes centers in Italy. Participants affected by type 1 diabetes mellitus have been randomly (1:1) assigned to receive their visits as standard or a web-based care. Patients in the teleconsultation group can arrange their appointments on a Web site and can also have access to web educational courses or to nutritional and psychological counseling. The primary outcome was the assessment of glycemic control by HbA1c measurement after a 12-month follow-up. RESULTS: Overall 74 participants were followed for 1 year. HbA1c changes were not statistically different within (p = 0.56 for standard care group; p = 0.45 for telemedicine group) and between (p = 0.60) groups when considering differences from baseline to the end of the study. Patients randomized to teleconsultation reported reduced severe hypoglycemic episodes (p = 0.03). In addition, they were largely satisfied with the activities, perceived a good improvement in the self management of the diabetes, and reported to have a time saving and a cost reduction. CONCLUSIONS: In conclusion, TELEDIABE proposes a new system for the management of patients with type 1 diabetes mellitus. PMID- 29209815 TI - Portrait of women with type 1 or type 2 diabetes of childbearing age attending diabetes clinics in Italy: the AMD-Annals initiative. AB - AIM: To describe characteristics relevant in case of an unplanned pregnancy for T1D or T2D women of childbearing age. METHODS: We analyzed the 2011 AMD-Annals dataset, compiling information from 300 clinics (28,840 T1D patients and 532,651 T2D patients). A risk score of unfavorable conditions for pregnancy included HbA1c > 8.0%; BMI >= 35; systolic BP >= 140 mmHg or diastolic BP >= 90 mmHg; microalbuminuria/proteinuria; use of statins, ACE inhibitors, ARB; use of diabetes drugs other than metformin/insulin. RESULTS: The proportion of T2D cases increased from 30.8% (95% CI 29.9-32.4) at age 18-30 years to 67.5% (66.6-68.5) at age 36-45 years. The proportion of women with HbA1c < 7.0% was 20.4% (20.0 20.8) in T1D and 43.4% (42.8-43.9) in T2D women. Furthermore, 47.6% (47.0-48.3) of T1D women and 34.5% (33.9-35.0) of T2D women had HbA1c >= 8.0%. The prevalence of obesity (BMI >= 30) was sevenfold higher among T2D than T1D women [49.9% (49.4 50.5) and 7.4% (7.2-7.5), respectively]. T2D women were more likely to have hypertension or microalbuminuria than T1D women. Almost half of the T2D women were taking drugs not approved during pregnancy. At least one unfavorable condition for starting a pregnancy was present in 51% of T1D women of childbearing age and in 66.7% of T2D women. CONCLUSIONS: Women with either T1D or T2D of childbearing age in Italy were far from the ideal medical condition for conception. Our data strongly support the need for counseling all women with diabetes about pregnancy planning. PMID- 29209816 TI - Gas-phase alkyl and N-alkylamino cation affinities of anionic alpha-oxygen nucleophiles (H n XO-; X = N, P, As, O, S, Se, F, Cl, Br; n = 0-2): a theoretical G2(+)M study. AB - In this work, we studied anionic alpha-oxygen nucleophiles in which there was an atom of with one or more unshared lone-pair electrons from groups 15-17 and periods 2-4 of the periodic table positioned adjacent to the negative attacking oxygen (i.e., H n XO-; X = N, P, As, O, S, Se, F, Cl, Br; n = 0-2); these nucleophiles were termed "alpha-agents." Specifically, we investigated the gas phase simple alkyl cation affinities (ACAs) and the simple N-alkylamino cation affinities (NAAMCAs) of these alpha-agents theoretically via the modified G2(+)M method. Our calculations indicate that the O-C bond of CH3OXH n is somewhat similar to that of iPrOXH n (n = 0, 1, 2; X = N, P, As, O, S, Se, F, Cl, Br). Also, steric repulsion is an important influence on these cation affinities. It appears that the kinetic gas-phase alpha effect in the SN2 reactions of interest cannot be explained by the thermodynamic proton affinity or the affinity (SuA) of the anionic or neutral nucleophile (Nu) for the substrate cation, as the gas phase ACA (NAAMCA) was found to be linearly correlated with the PA for the alpha agents, similar to the previously reported linear correlation of the gas-phase ACA (NAAMCA) with the PA for normal nucleophiles. PMID- 29209817 TI - Analysis of road development and associated agricultural land use change. AB - Development of road network is one of the strongest drivers of habitat fragmentation. It interferes with ecological processes that are based on material and energy flows between landscape patches. Therefore, changes in temporal patterns of roads may be regarded as important landscape-level environmental indicators. The aim of this study is to analyze road development and associated agricultural land use change near the town of Erdemli located in the eastern Mediterranean coast of Turkey. The study area has witnessed an unprecedented development of agriculture since the 2000s. This process has resulted with the expansion of the road network. Associations between agricultural expansion and road development were investigated. High-resolution satellite images of 2004 and 2015 were used to analyze spatial and temporal dimensions of change. Satellite images were classified using a binary approach, in which land areas were labeled as either "agriculture" or "non-agriculture." Road networks were digitized manually. The study area was divided into 23 sublandscapes using a regular grid with 1-km cell spacing. Percentage of landscape (PL) for agriculture and road density (RD) metrics were calculated for the earlier (2004) and later (2015) years. Metric calculations were performed separately for each of the 23 sublandscapes in order to understand spatial diversity of agriculture and road density. Study results showed that both RD and PL exhibited similar increasing trends between 2004 and 2015. PMID- 29209818 TI - Water quality of stormwater generated from an airport in a cold climate, function of an infiltration pond, and sampling strategy with limited resources. AB - Monitoring pollutants in stormwater discharge in cold climates is challenging. An environmental survey was performed by sampling the stormwater from Lulea Airport, Northern Sweden, during the period 2010-2013, when urea was used as a main component of aircraft deicing/anti-icing fluids (ADAFs). The stormwater collected from the runway was led through an oil trap to an infiltration pond to store excess water during precipitation periods and enhance infiltration and water treatment. Due to insufficient capacity, an emergency spillway was established and equipped with a flow meter and an automatic sampler. This study proposes a program for effective monitoring of pollutant discharge with a minimum number of sampling occasions when use of automatic samplers is not possible. The results showed that 90% of nitrogen discharge occurs during late autumn before the water pipes freeze and during snow melting, regardless of the precipitation during the remaining months when the pollutant discharge was negligible. The concentrations of other constituents in the discharge were generally low compared to guideline values. The best data quality was obtained using flow controlled sampling. Intensive time-controlled sampling during late autumn (few weeks) and snow melting (2 weeks) would be sufficient for necessary information. The flow meters installed at the rectangular notch appeared to be difficult to calibrate and gave contradictory results. Overall, the spillway was dry, as water infiltrated into the pond, and stagnant water close to the edge might be registered as flow. Water level monitoring revealed that the infiltration capacity gradually decreased with time. PMID- 29209819 TI - Developing reference criteria for the ecological status of West African rivers. AB - Awareness of sustainable management of water and its biological resources is rising in West Africa, but application of effective tools for biomonitoring and detecting habitats at risk in aquatic ecosystems is limited. In this study, we provide key environmental descriptors to characterize reference sites by applying the following "a priori criteria" (physical and chemical, hydro-morphological, and land use parameters) by exploring their potential to determine suitable reference sites. Using data collected from 44 sites, we identified 37 criteria that reliably identify reference conditions in semi-arid rivers by reflecting the impacts of multiple pressures ranging from low to very high intensity of human uses and impairments. We integrated all these impacts in an overall pressures index, which showed that protected areas can reasonably be considered as credible reference sites as far as they show low overall impact levels from cumulative pressures. We recommend that development of bio-indicator standards should be based on the collection and integration of all the available information, especially quantitative, spatially-explicit data, from benthic macroinvertebrates and fish. Rigorous standardization of bio-indicator protocols will make them more easily applicable for management and conservation of aquatic ecosystem resources in semi-arid zones of Africa. PMID- 29209820 TI - Spirosoma terrae sp. nov., Isolated from Soil from Jeju Island, Korea. AB - The taxonomic position of bacterial strain, designated 15J9-4T, recovered from a beach soil sample on Jeju Island, South Korea, was established using a polyphasic approach. Strain 15J9-4T was assigned to phylum Bacteroidetes within the family Cytophagaceae based on 16S rRNA gene similarities. The closest phylogenetic relatives with validly published names were Spirosoma panaciterrae Gsoil 1519T (94.2% similarity) and Spirosoma luteolum 16F6ET (94.1%). Cells were rod-shaped, Gram-stain-negative, and non-motile. The isolate grew on NA, R2A, TSA, and LB agar. The temperature limits for growth were 10 and 30 degrees C with an optimum at 25 degrees C and the pH range was 7-8. Menaquinone MK-7 was the predominant respiratory quinone. The major cellular fatty acids comprised summed feature 3 (C16:1 omega6c/C16:1 omega7c, 30.2%), C16:1 omega5c (22.2%), iso C15:0 (12.9%), and C16:0 (8.8%). Phosphatidylethanolamine was identified as the major polar lipid. The G+C content of the genomic DNA was 48.4 mol%. The results obtained from the polyphasic analyses allowed for the genotypic and phenotypic differentiation of strain 15J9-4T from recognized Spirosoma species. Therefore, the isolate is considered to represent a novel species in the genus Spirosoma, for which the name Spirosoma terrae sp. nov. is proposed. The type strain is 15J9 4T (= KCTC 52035T = JCM 31994T). PMID- 29209821 TI - Hemolytic Escherichia coli Inhibits Swarming and Differentiation of Proteus mirabilis. AB - Swarming is a hallmark of Proteus mirabilis, whether common gram-negative bacilli affect the swarming of P. mirabilis is still unclear. In this study, we found that P. mirabilis swarming was inhibited by Escherichia coli ATCC25922, but was not affected by Klebsiella pneumoniae, Acinetobacter baumannii, or Pseudomonas aeruginosa strains. The migration distance of P. mirabilis when mixed with E. coli ATCC25922 was strongly reduced, and the inhibition of the swarming of P. mirabilis by E. coli ATCC25922 was dependent on cell density. In addition, initiation of P. mirabilis swarming was delayed by E. coli ATCC25922. Among clinical isolates, including gram-negative bacilli and gram-positive cocci, only hemolytic E. coli inhibited the swarming of P. mirabilis. In summary, hemolytic E. coli inhibited the swarming and differentiation of P. mirabilis. PMID- 29209822 TI - Sodium Polyanethol Sulfonate Modulates Natural Transformation of SigH-Expressing Staphylococcus aureus. AB - Expression of genes required for natural genetic competence in Staphylococcus aureus is controlled by an alternative transcription sigma factor, SigH. However, even in the SigH-expressing cells, the DNA transformation efficiency varies depending on culture conditions. We report here that cells grown in the competence-inducing medium (CS2 medium) exhibit enlarged morphology with disintegrated cell walls. Notably, an autolysis inhibitor, Sodium Polyanethol Sulfonate (SPS), facilitated transformation in CS2 medium in a dose-dependent manner, suggesting the involvement of the cell wall metabolism in transformation. However, the transformation efficiency of cells grown in TSB was not improved by physical or enzymatic damage on the cell walls. PMID- 29209823 TI - Autologous arteriovenous fistulas for hemodialysis using microsurgery techniques in children weighing less than 20 kg. AB - BACKGROUND: This study aimed to describe the efficiency and longevity of arteriovenous fistula (AVF) for hemodialysis (HD) in children weighing <=20 kg. METHODS: We collected data of all AVFs created using microsurgery techniques between 1988 and 2015. Success was considered as the ability to use the AVF for HD. Primary and secondary patency rates were measured. RESULTS: Forty-eight AVFs (35 forearm, 13 upper arm) were created in 41 children with a median weight of 13.5 kg (range 5.5-20). The need for a second AVF was significantly higher in younger and thinner children at the time of AVF creation (p = 0.046 and p = 0.019, respectively). Successful use for HD occurred in 42 AVFs (87.5%), while six (12.5%) resulted in failure for early thrombosis or nonmaturation. Median time to first cannulation was 18.8 weeks (range 2-166.3). Primary and secondary patency rates at 1, 5, and 10-year follow-ups were 54.2%, 29.2%, and 13.7%; and 85.4%, 57.7%, and 33%, respectively. Almost one third of thromboses after first AVF cannulation were observed at kidney transplantation (KT) perioperatively. At the end of the follow-up (median duration 5.07 years, range 0-17.95), one patient was still on HD via AVF, two died of unrelated reason, and 38 were transplanted one of whom returned to HD with a new AVF. CONCLUSIONS: AVF using microsurgery techniques is feasible in young children, showing an early failure rate of 12.5%. Time to first cannulation may be rather long, but secondary patency is excellent. Thrombosis rate is high during KT. PMID- 29209824 TI - The 2017 ESC/EACTS guidelines on the management of valvular heart disease : What is new and what has changed compared to the 2012 guidelines? AB - Numerous new data on the diagnosis and management of valvular heart disease published since 2012 made an update of the practice guidelines of the European Society of Cardiology and European Association of Cardiothoracic Surgery necessary. This was particularly the case for the use of catheter interventional treatment, indications for intervention in asymptomatic patients, medical treatment and organization of care. This review summarizes the most important changes in the recommendations. PMID- 29209825 TI - Performance of 4 years of population-based mammography screening for breast cancer combined with ultrasound in Tyrol / Austria. AB - BACKGROUND: Systems for the delivery of screening mammography vary among countries and these differences can influence screening effectiveness. We evaluated the performance of organized mammography screening for breast cancer combined with ultrasound in Tyrol / Austria, an approach that differs from many other population-based screening programs. METHODS: Data on women aged 40-69 years screened in the period from June 2008 to May 2012 were collected within the framework of an organized screening program. A total of 272,555 invitations were sent to the target population living in Tyrol and 176,957 screening examinations were performed. We analyzed the main performance indicators as defined by European Union (EU) guidelines and some important estimates of harms. RESULTS: The estimated 2-year participation rate was 56.9%. As ultrasound is implemented as second-line screening procedure, 76.2% of all women screened underwent supplementary ultrasound. In total 2322 women were recalled for further assessment (13.1 per 1000 screens) and 1351 biopsies were performed (7.6 per 1000 screens). The positive predictive value was 28.2% for assessment and 48.5% for biopsies. The cancer detection rate was 3.7 per 1000 screens and the proportion of all stage II+ screen-detected cancers was 35.5%. The interval cancer rate was 0.33 and 0.47 per 1000 screens in the first and second years, respectively. The estimated cumulative risk for a false positive screening result and an unnecessary biopsy for women following the invitation approach was 21.1% and 9.4%, respectively. CONCLUSION: The performance of our population-based screening approach combining mammography and ultrasound is very favorable and potential harm is kept very low compared to other European mammography screening programs for breast cancer. PMID- 29209826 TI - Volumetric modulated arc therapy (VMAT) to deliver nodal irradiation in breast cancer patients. AB - To evaluate feasibility, safety, toxicity profile and dosimetric results of volumetric modulated arc therapy (VMAT) to deliver regional nodal irradiation (RNI) after either mastectomy or breast conservation (BCS) in high-risk breast cancer patients. Between January 2015 and January 2017, a total of 45 patients were treated with VMAT to deliver RNI together with whole breast or post mastectomy radiotherapy. The fractionation schedule comprised 50 Gy in 25 fractions given to supraclavicular and axillary apex nodes and to whole breast (after BCS) or chest wall (after mastectomy). Two opposite 50 degrees -60 degrees width arcs were employed for breast ad chest wall irradiation, while a single VMAT arc was used for nodal treatment. Treatment was generally well tolerated. Acute skin toxicity was G2 in 13.3% of patients. Late skin toxicity consisted of G1 induration/fibrosis in six patients (13.3%) and G2 in 1 (2.2%). Dosimetric results were consistent in terms of both target coverage and normal tissue sparing. In conclusion, VMAT proved to be a feasible, safe and effective strategy to deliver RNI in breast cancer patients after either BCS or mastectomy with promising dosimetric results and a mild toxicity profile. PMID- 29209827 TI - Hemostasis, endothelial stress, inflammation, and the metabolic syndrome. AB - Obesity and the metabolic syndrome (MS) are two of the pressing healthcare problems of our time. The MS is defined as increased abdominal obesity in concert with elevated fasting glucose levels, insulin resistance, elevated blood pressure, and plasma lipids. It is a key risk factor for type 2 diabetes mellitus (T2DM) and for cardiovascular complications and mortality. Here, we review work demonstrating that various aspects of coagulation and hemostasis, as well as vascular reactivity and function, become impaired progressively during chronic ingestion of a western diet, but also acutely after meals. We outline that both T2DM and cardiovascular disease should be viewed as inflammatory diseases and describe that chronic overload of free fatty acids and glucose can trigger inflammatory pathways directly or via increased production of ROS. We propose that since endothelial stress and increases in platelet activity precede inflammation and overt symptoms of the MS, they are likely the first hit. This suggests that endothelial activation and insulin resistance are probably causative in the observed chronic low-level metabolic inflammation, and thus both metabolic and cardiovascular complications linked to consumption of a western diet. PMID- 29209829 TI - Adaptation to proprioceptive targets following visuomotor adaptation. AB - In the following study, we asked if reaches to proprioceptive targets are updated following reach training with a gradually introduced visuomotor perturbation. Subjects trained to reach with distorted hand-cursor feedback, such that they saw a cursor that was rotated or translated relative to their actual hand movement. Following reach training trials with the cursor, subjects reached to Visual (V), Proprioceptive (P) and Visual + Proprioceptive (VP) targets with no visual feedback of their hand. Comparison of reach endpoints revealed that reaches to VP targets followed similar trends as reaches to P targets, regardless of the training distortion introduced. After reaching with a rotated cursor, subjects adapted their reaches to all target types in a similar manner. However, after reaching with a translated cursor, subjects adapted their reach to V targets only. Taken together, these results show that following training with a visuomotor distortion, subjects primarily rely on proprioceptive information when reaching to VP targets. Furthermore, results indicate that reach adaptation to P targets depends on the distortion presented. Training with a rotation distortion leads to changes in reaches to both V and P targets, while a translation distortion, which introduces a constant discrepancy between visual and proprioceptive estimates of hand position throughout the reach, affects changes to V but not P targets. PMID- 29209828 TI - Regulation of immunometabolism in adipose tissue. AB - Adipose tissue has emerged as a major player in driving obesity-related inflammatory response. In obesity, chronic infiltration of macrophages in adipose tissue mediates local and systemic inflammation and acts as a key contributor to insulin resistance. In the past few years, adipose tissue plasticity and remodeling capacity has been studied extensively to develop therapeutic targets to combat obesity and related metabolic dysfunction. Progress in understanding the potential of adipocytes and contribution of macrophages and other immune cells to control immunometabolism in disease state has provided us new potential intervention targets to explore such as the formation of heat-producing beige adipocytes in white adipose tissue and the polarization of macrophages from an inflammatory toward an anti-inflammatory phenotype. Initiation and progression of inflammatory signaling in fat pads is complex, broad, and often functions in a tissue/cell type-specific manner. We have also realized the importance of location, coordinated role of tissue cross-talk, and physiological state of the fat pad in these processes. There has been significant progress in understanding how adipose tissue regulates these crucial processes and maintains metabolic homeostasis such as identification of fat depot-specific regulation of energy metabolism, mediators of macrophage polarization, role of gut-derived antigens, and consequences of diet and calorie restriction on adipose tissue metabolic and thermogenic potential. PMID- 29209830 TI - Regulation of mesenchymal signaling in palatal mucosa differentiation. AB - Epithelial differentiation is thought to be determined by mesenchymal components during embryogenesis. In mice, palatal mucosa showed the region-specific keratinization pattern along antero-posterior axis. However, developmental mechanisms involved in oral mucosa differentiation with fine tuning of keratinization are not elucidated yet. To reveal this developmental mechanism, first, we conducted tissue recombination assay of the palate at E16 for 2 days which revealed that epithelial differentiation with specific localization of CK10 is modulated by mesenchymal components. Based on the results, we propose that mesenchymal signaling would determine the presumptive fate of developing palatal epithelium in spatiotemporal manner. Genome-wide screening analysis using laser micro-dissection to collect spatiotemporal specific molecules between anterior and posterior palate suggested Meox2 in the posterior mesenchymal tissue to be a candidate regulator controlling epithelial differentiation. To examine the detailed spatiotemporal function of Meox2, we employed in vitro organ cultivation with the loss- and gain-of-function studies at E14.5 for 2 and 4 days, respectively. Our results suggest that posteriorly expressed Meox2 modulates non keratinized epithelial differentiation through complex signaling regulations in mice palatogenesis. PMID- 29209831 TI - Kinetic Basis of Cis- and Trans-Allostery in GLUT1-Mediated Sugar Transport. AB - A growing body of evidence demonstrates that GLUT1-mediated erythrocyte sugar transport is more complex than widely assumed and that contemporary interpretations of emergent GLUT1 structural data are incompatible with the available transport and biochemical data. This study examines the kinetic basis of one such incompatibility-transport allostery-and in doing so suggests how the results of studies examining GLUT1 structure and function may be reconciled. Three types of allostery are observed in GLUT1-mediated, human erythrocyte sugar transport: (1) exofacial cis-allostery in which low concentrations of extracellular inhibitors stimulate sugar uptake while high concentrations inhibit transport; (2) endofacial cis-allostery in which low concentrations of intracellular inhibitors enhance cytochalasin B binding to GLUT1 while high concentrations inhibit binding, and (3) trans-allostery in which low concentrations of ligands acting at one cell surface stimulate ligand binding at or sugar transport from the other surface while high concentrations inhibit these processes. We consider several kinetic models to account for these phenomena. Our results show that an inhibitor can only stimulate then inhibit sugar uptake if (1) the transporter binds two or more molecules of inhibitor; (2) high-affinity binding to the first site stimulates transport, and (3) low-affinity binding to the second site inhibits transport. Reviewing the available structural, transport, and ligand binding data, we propose that exofacial cis-allostery results from cross-talk between multiple, co-existent ligand interaction sites present in the exofacial cavity of each GLUT1 protein, whereas trans-allostery and endofacial cis-allostery require ligand-induced subunit-subunit interactions. PMID- 29209832 TI - Minimally invasive esophagectomy: a propensity score-matched analysis of semiprone versus prone position. AB - BACKGROUND: The preferred surgical approach for esophageal cancer is a minimally invasive transthoracic esophagectomy with a two-field lymph node dissection. The thoracoscopic phase may be performed either in prone- or in left lateral decubitus (LLD) position. Prone positioning has been associated with better pulmonary outcomes compared to LLD positioning; however, conversion to a classic thoracotomy is more difficult. The semiprone position has been proposed as an alternative approach. METHODS: A retrospective review of a prospectively maintained database (2008-2014) was performed to compare postoperative complications, surgical radicality, and lymph node yield between patients who underwent three-stage minimally invasive transthoracic esophagectomy in either the prone or semiprone position. Comparative analyses were conducted before and after propensity score matching. RESULTS: One hundred and twenty-one patients were included. In total, 82 patients underwent minimally invasive esophagectomy (MIE) in semiprone position and 39 patients in prone position. After propensity score matching, both groups consisted of 39 patients. The operative time in the semiprone group was longer (368 vs. 225 min, P < 0.001) and in this group the lymph node yield was significantly higher (16 (range 6-80) vs. 13 (range 3-33), P = 0.019). There were no statistically significant differences regarding radical resections, postoperative complications, and hospital stay. CONCLUSION: The use of semiprone positioning in MIE is safe, feasible, and at least comparable to MIE in prone position in terms of oncological clearance and postoperative complications. PMID- 29209833 TI - Fine motor ability and psychiatric disorders in youth. AB - Impaired fine motor ability has been linked to several domains of psychopathology. However, studies validating the specificity of this association among several categorical psychiatric disorders are still needed. The aim of this study was to assess differences in fine motor ability performance among four non overlapping groups of psychiatric disorders and a group of typical developing comparisons (TDC). Our sample consisted of 2035 subjects aged 6-14-year-old. Diagnoses of psychiatric disorders were performed with the Development and Well Being Assessment (DAWBA). Five non-overlapping groups without comorbidity were formed: phobic disorders (n = 101), distress disorders (n = 82), attention deficit hyperactivity disorder (ADHD) (n = 133), oppositional defiant disorder/conduct disorder (ODD/CD) (n = 52) and one group of typical developing comparisons (TDC) (n = 1667). Fine motor ability was evaluated by three tasks: sequential finger-thumb opposition, Oseretsky, and pronation/supination tests. Each task was assessed by total time to perform the movement and levels of accuracy, fluency, symmetry, precision, and coordination. We found that, when compared to TDC, the ADHD group performed more poorly in total fine motor ability (mean difference = - 0.28; p = 0.014), time to complete the task (mean difference = 0.36; p < 0.001), accuracy (mean difference = - 0.30; p = 0.005), fluency (mean difference = - 0.26; p = 0.03), symmetry (mean difference - 0.25; p = 0.04), precision (mean difference = - 0.26; p = 0.026), and coordination (mean difference = - 0.25; p = 0.042). The ADHD group also took more time to complete the task than the ODD/CD group (mean difference = 0.45; p = 0.037). No other significant between-group differences were found. Additional analyses showed those differences were statistically significant for all ADHD dimensions. Our results suggest that children with ADHD present impairments in all aspects of fine motor abilities compared to TDC, a difference not found in other psychiatric disorders. PMID- 29209834 TI - Breast cancer survivors: return to work and wage loss in selected hospitals in Malaysia. AB - PURPOSE: This study aimed, firstly, to assess the determinants of return to work (RTW), secondly, to explore the amount of annual wage loss, and finally, to discover the determinants of wage loss among breast cancer (BC) survivors. METHODS: A cross-sectional study design was used in this research. The data was collected via interview using a validated questionnaire. Logistic regression models were developed to discover the significant determinants of RTW and of wage loss among BC survivors. RESULTS: A total of 256 BC survivors were included in this study. The analysis showed that there was a 21% loss of or reduction in mean income within 1 year after diagnosis. The significant predictors of RTW are being a government employee, having reduced wages or wage loss, and if the case had been diagnosed 1 year or more ago. Being a private sector employee and having a late stage of cancer was a barrier to RTW. The main risk factors for reduced wages or wage loss were belonging to the age group of 40-59 years, being of Chinese or Indian ethnicity, having low educational status, and not returning to work. However, belonging to the higher monthly income group (earning > RM 2000) is a protective factor against the risk of reduced wages or wage loss. CONCLUSIONS: Non-RTW and wage loss after diagnosis of BC may result in the survivors experiencing a significant financial burden. Assessment of these patients is becoming more crucial because more women participate in the workforce in Malaysia nowadays and because BC is managed using multiple treatment modalities with their consequences could lead to long absences from work. PMID- 29209835 TI - Patient-clinician communication among patients with stage I lung cancer. AB - PURPOSE: Limited data exist about patient-centered communication (PCC) and patient-centered outcomes among patients who undergo surgery or stereotactic body radiation therapy (SBRT) for stage I non-small cell lung cancer (NSCLC). We aimed to examine the relationship between PCC and decision-making processes among NSCLC patients, using baseline data from a prospective, multicenter study. METHODS: Patients with stage 1 NSCLC completed a survey prior to treatment initiation. The survey assessed sociodemographic characteristics, treatment decision variables, and patient psychosocial outcomes: health-related quality of life (HRQOL), treatment self-efficacy, decisional conflict, and PCC. RESULTS: Fifty-two percent (n = 85) of 165 individuals planned to receive SBRT. There were no baseline differences detected on patient psychosocial outcomes between those who planned to receive SBRT or surgery. All participants reported high HRQOL (M = 72.5, SD = 21.3) out of 100, where higher scores indicate better functioning; high self efficacy (M = 1.5, SD = 0.5) out of 6, where lower numbers indicate higher self efficacy; minimal decisional conflict (M = 15.2, SD = 12.7) out of 100, where higher scores indicate higher decisional conflict; and high levels of patient centered communication (M = 2.4, SD = 0.8) out of 7 where higher scores indicate worse communication. Linear regression analyses adjusting for sociodemographic and clinical variables showed that higher quality PCC was associated with higher self-efficacy (beta = 0.17, p = 0.03) and lower decisional conflict (beta = 0.42, p < 0.001). CONCLUSIONS: Higher quality PCC was associated with higher self efficacy and lower decisional conflict. Self-efficacy and decisional conflict may influence subsequent health outcomes. Therefore, our findings may inform future research and clinical programs that focus on communication strategies to improve these outcomes. PMID- 29209836 TI - Accuracy of cystatin C for the detection of abnormal renal function in children undergoing chemotherapy for malignancy: a systematic review using individual patient data. AB - PURPOSE: We conducted a systematic review and individual patient data (IPD) meta analysis to examine the utility of cystatin C for evaluation of glomerular function in children with cancer. METHODS: Eligible studies evaluated the accuracy of cystatin C for detecting poor renal function in children undergoing chemotherapy. Study quality was assessed using QUADAS-2. Authors of four studies shared IPD. We calculated the correlation between log cystatin C and GFR stratified by study and measure of cystatin C. We dichotomized the reference standard at GFR 80 ml/min/1.73m2 and stratified cystatin C at 1 mg/l, to calculate sensitivity and specificity in each study and according to age group (0 4, 5-12, and >= 13 years). In sensitivity analyses, we investigated different GFR and cystatin C cut points. We used logistic regression to estimate the association of impaired renal function with log cystatin C and quantified diagnostic accuracy using the area under the ROC curve (AUC). RESULTS: Six studies, which used different test and reference standard thresholds, suggested that cystatin C has the potential to monitor renal function in children undergoing chemotherapy for malignancy. IPD data (504 samples, 209 children) showed that cystatin C has poor sensitivity (63%) and moderate specificity (89%), although use of a GFR cut point of < 60 ml/min/1.73m2 (data only available from two of the studies) estimated sensitivity to be 92% and specificity 81.3%. The AUC for the combined data set was 0.890 (95% CI 0.826, 0.951). Diagnostic accuracy appeared to decrease with age. CONCLUSIONS: Cystatin C has better diagnostic accuracy than creatinine as a test for glomerular dysfunction in young people undergoing treatment for cancer. Diagnostic accuracy is not sufficient for it to replace current reference standards for predicting clinically relevant impairments that may alter dosing of important nephrotoxic agents. PMID- 29209838 TI - IMP3 expression in NSCLC brain metastases demonstrates its role as a prognostic factor in non-neuroendocrine phenotypes. AB - Brain metastases from NSCLC are associated with a poor prognosis, and local radiotherapy is the most effective therapeutic strategy. The oncofetal protein IMP3 has been studied extensively, and evidence suggests that its expression is related to shorter overall survival and a more aggressive phenotype in solid malignancies. Here, the prognostic role of IMP3 was investigated in a cohort of patients with NSCLC brain metastases in correlation with survival and tumor histotype. A series of 42 NSCLC brain metastases samples was analyzed by tissue microarray and immunohistochemical staining for IMP3. IMP3 expression was associated with shorter overall survival in the whole series and in subgroups of metastases from non-neuroendocrine pulmonary malignancies and adenocarcinoma metastases. These results indicated that IMP3 is a strong prognostic factor in non-neuroendocrine brain metastases and in particular in patients with adenocarcinoma metastases. PMID- 29209839 TI - Correction to: Telomere length of gallbladder epithelium is shortened in patients with congenital biliary dilatation: measurement by quantitative fluorescence in situ hybridization. AB - In the original publication of this article, Fig. 5 was published with incorrect color of the approximate lines of CBD and Control. PMID- 29209840 TI - The implantable cardiac monitor and pocket infection. PMID- 29209837 TI - Emerging enzymatic targets controlling angiogenesis in cancer: preclinical evidence and potential clinical applications. AB - Angiogenesis has always been considered as a fundamental therapeutic target for inhibiting tumor growth and metastasis. To date, anti-angiogenic treatments that have been approved are principally based on either administration of monoclonal antibodies targeting the vascular endothelial growth factor/vascular endothelial growth factor receptor axis or multikinase inhibitors. However, a growing body of evidence is pointing out the role of different classes of enzymes involved in tumor-driven angiogenesis, whose inhibition in preclinical models has already shown encouraging results. This review provides an overview on the current knowledge of potential enzymatic targets involved in tumor-driven angiogenesis and the potential clinical applications deriving from their modulation. Metalloproteinase and nitric oxide synthase inhibitors have been found to be, respectively, inefficacious or unsuitable for clinical applications. Conversely, early clinical studies evaluating the inhibition of heparanase, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase, lysyl oxidase (LOX) and angiotensin-converting enzyme (ACE) have shown promising results. Therefore, preliminary evidence indicates that heparanase, NADPH oxidase, LOX and ACE might represent potential targets for anticancer therapy. PMID- 29209841 TI - A Novel Method for Correcting Non-uniform/Poor Illumination of Color Fundus Photographs. AB - Retinal fundus images are often corrupted by non-uniform and/or poor illumination that occur due to overall imperfections in the image acquisition process. This unwanted variation in brightness limits the pathological information that can be gained from the image. Studies have shown that poor illumination can impede human grading in about 10~15% of retinal images. For automated grading, the effect can be even higher. In this perspective, we propose a novel method for illumination correction in the context of retinal imaging. The method splits the color image into luminosity and chroma (i.e., color) components and performs illumination correction in the luminosity channel based on a novel background estimation technique. Extensive subjective and objective experiments were conducted on publicly available DIARETDB1 and EyePACS images to justify the performance of the proposed method. The subjective experiment has confirmed that the proposed method does not create false color/artifacts and at the same time performs better than the traditional method in 84 out of 89 cases. The objective experiment shows an accuracy improvement of 4% in automated disease grading when illumination correction is performed by the proposed method than the traditional method. PMID- 29209842 TI - Impact of distinct factors affecting serum homocysteine levels in preeclamptic women. PMID- 29209843 TI - Monocultural sowing in mesocosms decreases the species richness of weeds and invertebrates and critically reduces the fitness of the endangered European hamster. AB - Intensive cereal monoculture is currently the main cause of biodiversity decline in Europe. However, it is difficult to disentangle the effects of intensive monoculture (e.g. pesticide use, mechanical ploughing and reduced protective cover), let alone evaluate how far the reduction of crop diversity affects biodiversity. It remains unclear to which extent the consequent decrease in food resources affects farmland biodiversity, and particularly vertebrate species. We therefore designed this study in mesocosms to investigate the effects of monoculture crops (organic wheat or corn seeds) and mixed crops (a combination of organic wheat, corn, sunflower and alfalfa seeds) on (1) the species richness of weeds and invertebrates and (2) the reproductive success of the European hamster (Cricetus cricetus), a critically endangered umbrella species of European farmlands. We found a negative impact of organic monoculture crops on plant and invertebrate species richness, with values respectively 38% and 28% lower than those obtained for mixed organic crops. The reproductive success of hamsters was reduced by 82% in monoculture mesocosms. These results highlight that monoculture per se can be detrimental for farmland biodiversity (i.e. from plants to vertebrates), even before taking into account the use of pesticide and mechanization. We believe that future research should further consider how food reduction in agroecosystems affects farmland wildlife, including vertebrates. Moreover, we argue that conservation actions must focus on restoring plant diversity on farmland to reverse the observed trend in farmland wildlife decline. PMID- 29209844 TI - A new method for quantifying the phylogenetic redundancy of biological communities. AB - The increasing use of phylogenetic methods in community ecology recognizes that accumulated evolutionary differences among species mirror, to some extent, ecological processes. The scope of this work is thus to propose a new method for the measurement of community-level phylogenetic redundancy, which takes into account the branching pattern of the underlying phylogeny. Like for functional redundancy, a measure of phylogenetic redundancy can be described as a normalized measure in the range (0-1) that relates the observed community-level phylogenetic diversity to the value of a hypothetical assemblage with the same abundance distribution of the focal community in which all species had independent evolution. Therefore, phylogenetic redundancy can be interpreted as the diversity decrease that is obtained by taking into account the evolutionary relationships among species in the calculation of diversity. The behavior of the proposed method, for which we provide a simple R function called 'phyloredundancy', was evaluated with published data on Alpine plant communities along a primary succession on a glacier foreland in northern Italy. As shown by our results, the method accounts for the length of shared branches in the phylogeny, producing a coherent framework for describing the evolutionary relationships within a species assemblage. Being based on classical diversity measures, which have been used in ecology for decades, it also has a great potential for future research in phylogenetic community ecology. PMID- 29209845 TI - Energy efficiency of acetone, butanol, and ethanol (ABE) recovery by heat integrated distillation. AB - Acetone, butanol, and ethanol (ABE) is an alternative biofuel. However, the energy requirement of ABE recovery by distillation is considered elevated (> 15.2 MJ fuel/Kg-ABE), due to the low concentration of ABE from fermentation broths (between 15 and 30 g/l). In this work, to reduce the energy requirements of ABE recovery, four processes of heat-integrated distillation were proposed. The energy requirements and economic evaluations were performed using the fermentation broths of several biocatalysts. Energy requirements of the processes with four distillation columns and three distillation columns were similar (between 7.7 and 11.7 MJ fuel/kg-ABE). Double-effect system (DED) with four columns was the most economical process (0.12-0.16 $/kg-ABE). ABE recovery from dilute solutions by DED achieved energy requirements between 6.1 and 8.7 MJ fuel/kg-ABE. Vapor compression distillation (VCD) reached the lowest energy consumptions (between 4.7 and 7.3 MJ fuel/kg-ABE). Energy requirements for ABE recovery DED and VCD were lower than that for integrated reactors. The energy requirements of ABE production were between 1.3- and 2.0-fold higher than that for alternative biofuels (ethanol or isobutanol). However, the energy efficiency of ABE production was equivalent than that for ethanol and isobutanol (between 0.71 and 0.76) because of hydrogen production in ABE fermentation. PMID- 29209846 TI - Micelle-mediated transport disturbance providing extracellular strategy for alleviating n-butanol stress on Escherichia coli. AB - One barrier inhibiting further progress in biofuel production is the toxicity of biofuels towards their producers. It is promising to apply gene-based intracellular techniques to engineer better strains with higher organic solvent tolerance. These methods are, however, complex. In the present study, we developed a simple, manageable, and commercial extracellular prototypal strategy to alleviate n-butanol (n-BuOH) stress on Escherichia coli via a micelle-mediated transport disturbance. When the concentration of sodium dodecyl sulfate, a typical anionic surfactant, is high enough to form micelles, n-BuOH will be trapped into/onto the micelles, and the negative charge prevents the n-BuOH from approaching the cells. Our study provides an extracellular strategy to relieve the stress from n-BuOH, and it also exhibits a new angle to advance microbial factories through extracellular routines. PMID- 29209847 TI - Prediction of venous thromboembolism in newly diagnosed patients treated for lymphoid malignancies: validation of the Khorana Risk Score. AB - The utility of the venous thromboembolism (VTE) risk assessment model known as the Khorana Risk Score (KRS) in patients with lymphoid malignancies receiving outpatient chemotherapy is not defined. We evaluated the association of the KRS with VTE in patients treated for diffuse large B cell lymphoma (DLBCL) or Hodgkin lymphoma (HL). Retrospective analyses were performed in 428 patients, 241 of whom were newly diagnosed with DLBCL and 187 of whom had HL. During the initial therapy, 64 (15%) patients developed VTE and 56 died during follow-up. More VTE events occurred in patients with DLBCL than in patients with HL. According to the KRS, 364 (85%) and 64 (15%) patients were considered to be at intermediate risk and high risk of VTE development, respectively. The high-risk KRS patients were more often diagnosed with HL than DLBCL (19 vs. 10%, P = 0.0143). The KRS did not discriminate between high- and intermediate-risk patients with respect to VTE occurrence (17 vs. 15%, P = 0.5868). In our patients, the KRS did not adequately predict VTE (positive predictive value 15%, negative predictive value 82% and C statistic 0.51). In the multivariate analysis, bulky disease (OR 2.34; 95% CI 1.62-3.36, P < 0.0001), poor prognostic disease (OR 1.32; 95% CI 1.01-1.74, P = 0.049) and DLBCL histological subtype (OR 1.61; 95% CI 1.17-2.19, P = 0.003) were all significantly associated with the VTE development. In this cohort of patients with lymphoid malignancies, the KRS did not adequately stratify or predict VTE events in patients at a higher risk of VTE. This finding suggests the need for the development of a disease-specific VTE assessment model. PMID- 29209848 TI - Development of a finite-element eye model to investigate retinal hemorrhages in shaken baby syndrome. AB - Retinal hemorrhages (RH) are among injuries sustained by a large number of shaken baby syndrome victims, but also by a small proportion of road accident victims. In order to have a better understanding of the underlying of RH mechanisms, we aimed to develop a complete human eye and orbit finite element model. Five occipital head impacts, at different heights and on different surfaces, and three shaking experiments were conducted with a 6-week-old dummy (Q0 dummy). This allowed obtaining a precise description of the motion in those two specific situations, which was then used as input for the eye model simulation. Results showed that four parameters (pressure, Von Mises stress and strain, 1st principal stress) are relevant for shaking-fall comparison. Indeed, in the retina, the softest shaking leads to pressure that is 4 times higher than the most severe impact (1.43 vs. 0.34 kPa). For the Von Mises stress, strain and 1st principal stress, this ratio rises to 4.27, 6.53 and 14.74, respectively. Moreover, regions of high stress and strain in the retina and the choroid were identified and compared to what is seen on fundoscopy. The comparison between linear and rotational acceleration in fall and shaking events demonstrated the important role of the rotational acceleration in inducing such injuries. Even though the eye model was not validated, the conclusion of this study is that compared to falls, shaking an infant leads to extreme eye loading as demonstrated by the values taken by the four mentioned mechanical parameters in the retina and the choroid. PMID- 29209849 TI - Comments on: blood product transfusion in emergency department patients: a case control study of practice patterns and impact on outcome. AB - Clinical decision makings according studies result require the valid and correct data collection, andanalysis. However, there are some common methodological and statistical issues which may ignore by authors. In individual matched case- control design bias arising from the unconditional analysis instead of conditional analysis. Using an unconditional logistic for matched data causes the imposition of a large number of nuisance parameters which may result in seriously biased estimates. PMID- 29209850 TI - Theoretical study of the reactions of the hydroselenyl radical (HSe?) with the selenenic radical (HSeO?). AB - The formation of selenium species in some biological processes involves the generation of ionic and radical intermediates such as RSe?, RSe-, RSeO?, and RSeO , among others. We performed a theoretical study of the possible mechanisms for the reaction of the two simplest Se radicals-the hydroselenyl (HSe?) and selenenic (HSeO?) radicals, in which the possible products, intermediates, and transition-state structures were investigated. Density functional theory (DFT) was applied at the B3LYP/6-311++G(3df,3pd) level and the Ahlrichs Coulomb fitting basis sets were employed with an effective core potential (ECP) for both Se atoms. The same procedure was used to calculate the electronic density. All calculations were also performed using the M06-2X functional, which describes weaker bonds better than B3LYP does. In the reaction of interest, the so-called CR complex (HSe....SeOH) is formed initially. After passing through the transition state TS1, cis-HSeSeOH is obtained as a product. If a low barrier is then overcome (passing through the transition state TS32), the trans-HSeSeOH species is obtained. The CR complex can also rearrange into the intermediate INT after overcoming the barrier presented by the transition state TS2. Additionally, the decomposition of INT to H2O and 1Se2 is possible through another transition state. This reaction is not included in this study. We also observed a second possible route for the conversion of INT to one of the HSeSeOH species; this route occurs through two pathways (with transition states TS31 and TS32). A comparison of some of the results with those obtained for sulfur analogs along the same pathways is also presented in this work. Graphical abstract Electronic envelopes for HSeO? and HSe? radicals. PMID- 29209851 TI - Elevated parathyroid hormone levels after successful parathyroidectomy for primary hyperparathyroidism: a clinical review. AB - INTRODUCTION: Surgery for primary hyperparathyroidism (PHPT) is traditionally deemed to be successful if serum calcium levels return to normal 6 months after parathyroidectomy. Regular monitoring of serum calcium and parathyroid hormone (PTH) in the follow-up of patients after parathyroidectomy for PHPT has drawn attention to the presence of a normocalcemic group of patients with elevated PTH (NCePTH) during the post-operative period. The etiological factors and mechanisms underlying this condition, its consequences, and the possibility of treatment are the object of this study. MATERIALS AND METHODS: We conducted an unlimited PubMed search updated on March 31, 2017, which yielded 1628 results. We selected 37 articles, 33 of which included cases of NCePTH in their series and 23 performed statistical studies to assess factors associated with NCePTH. RESULTS: The maximum mean prevalence of NCePTH in the various series was 23.5%, ranging from 3 to 46%. Many factors were associated with NCePTH. The most important were higher pre-operative PTH, low pre-operative 25 (OH) D3, lower pre-operative creatinine clearance and greater adenoma weight. The origin of NCePTH may be multifactorial, since several factors were implicated in the etiology. NCePTH does not seem to be related to an increase in PHPT recurrence, although this possibility should not be dismissed. Vitamin D deficiency should be corrected. Treatment with calcium supplements seems to be clearly beneficial. CONCLUSION: The prevalence of NCePTH is high. The causes of secondary hyperparathyroidism should be investigated carefully. Patients require treatment and long-term follow-up. PMID- 29209852 TI - Clinical predictors for satisfaction with incus vibroplasty: a preliminary study. AB - OBJECTIVE: We aimed to evaluate the subjective satisfaction after incus vibroplasty and to determine predictive factors affecting patient satisfaction in sensorineural hearing loss. DESIGN: A retrospective review of audiological data and an additional survey about subjective satisfaction after surgery were performed in 14 patients who underwent incus vibroplasty surgery. A numeric rating scale reflecting the degree of satisfaction after incus vibroplasty, compared with experiences using a conventional hearing aid, was used. Patients who showed median or better satisfaction were deemed the highly satisfied (HS) group, and the others were deemed the less satisfied (LS) group. To find the predictive factors correlated with satisfaction for incus vibroplasty, comparative analysis between two groups was performed. RESULTS: We found that the numeric rating scale for satisfaction was variable, ranged from 0 to 10, and was negatively correlated with age at operation (p < 0.01). The HS group had a younger age (27.6 +/- 22.2 years) and better preoperative air conduction threshold at 250 Hz (20.7 +/- 7.9 dB) than the LS group (68.0 +/- 9.7 years, 32.1 +/- 10.7 dB). The LS group (13.6 +/- 9.9 dB) showed a larger change of air-bone gap after surgery than the HS group (5.7 +/- 6.7 dB) at 250 Hz (p = 0.12). CONCLUSIONS: Age at operation and the preoperative air conduction threshold level at 250 Hz appear to be potential predictive factors for subjective satisfaction with incus vibroplasty. Furthermore, more conservative selection of candidates and caution during surgery, considering inevitable air-bone gap development postoperatively, may be necessary to achieve higher satisfaction for incus vibroplasty. PMID- 29209853 TI - 3D endoscopic ear surgery: a clinical pilot study. AB - OBJECTIVE: To evaluate the feasibility and efficacy of a new high-resolution 3D endoscope in endoscopic ear and lateral skull base surgery. METHODS: Eight patients, five women and three men, were included in this clinical pilot prospective study. Their age was 38 +/- 17.3 years (mean +/- SD, range 17-54 years). The right side was involved in five cases, and the left side in three cases. There were three cases of chronic otitis, one case of cholesteatoma of the external auditory canal, one case of otosclerosis, one case of cochlear implant surgery, and two cases of stage 2 vestibular schwannoma operated on with a retrosigmoid approach to preserve hearing. RESULTS: There were no intraoperative or postoperative complications. The new system was used during all procedures without the necessity to switch to a 2D mode. The surgeons felt comfortable using the system and its major advantages were considered to be in measuring the distances for ossicular chain reconstruction and in the sense of depth provided in the middle ear and cerebellopontine angle. CONCLUSION: The sense of depth provided by the 3D system is effective in both middle ear and lateral skull base surgery. Further improvements (smaller and/or more angled endoscopes) should be considered for future developments in endoscopic ear surgery. PMID- 29209854 TI - Does the approach to economic evaluation in health care depend on culture, values, and institutional context? PMID- 29209855 TI - Osteoporotic hip fractures in Black South Africans: a regional study. AB - : Osteoporotic hip fractures are thought to be rare in Blacks however, this study from South Africa shows a significant increase in the number of hip fracture in Blacks. With the expected increase in older people, osteoporotic fractures will pose a major health problem and screening guidelines needed to be implemented. INTRODUCTION: Developing countries are predicted to bear the burden of osteoporosis in the coming decades. This study was undertaken to review earlier reports that osteoporotic hip fractures are rare in Black Africans. METHODS: In an observational study, the incidence rates and relative risk ratios (RRR) of osteoporotic hip fractures were calculated in the Black population, aged 60 years and older, residing in the eThekwini region of South Africa. All Black subjects, presenting with a minimal trauma hip fracture to five public hospitals in the region, entered the study. Descriptive statistics were applied to show differences in age and sex. RESULTS: Eighty-seven subjects were enrolled in the study with a mean age of 76.5 +/- 10.5 years and the sex ratio of women to men was 2.5:1. Although men were younger than women, this was not significant (74.2 +/- 12.3 vs. 77.4 +/- 9.6 years, p = 0.189). The age-adjusted rate was 69.2 per 100,000 p.a. for women and 73.1 per 100,000 p.a. for men. There was a significant increase in the relative risk ratios for hip fractures after the age of 75 years in the total cohort and in women and men. Except for the 65-69-year age group, there was no significant difference in the age-adjusted RRR between women and men. CONCLUSION: This study represents the largest number of hip fractures recorded in Black Africans. Although the incidence rate is approximately tenfold higher than previously recorded, it remains amongst the lowest globally. A national registry inclusive of private and public sector is required to establish the true incidence rate of hip fractures in Black Africans. PMID- 29209856 TI - Accelerated whole brain intracranial vessel wall imaging using black blood fast spin echo with compressed sensing (CS-SPACE). AB - OBJECTIVE: Develop and optimize an accelerated, high-resolution (0.5 mm isotropic) 3D black blood MRI technique to reduce scan time for whole-brain intracranial vessel wall imaging. MATERIALS AND METHODS: A 3D accelerated T1 weighted fast-spin-echo prototype sequence using compressed sensing (CS-SPACE) was developed at 3T. Both the acquisition [echo train length (ETL), under sampling factor] and reconstruction parameters (regularization parameter, number of iterations) were first optimized in 5 healthy volunteers. Ten patients with a variety of intracranial vascular disease presentations (aneurysm, atherosclerosis, dissection, vasculitis) were imaged with SPACE and optimized CS SPACE, pre and post Gd contrast. Lumen/wall area, wall-to-lumen contrast ratio (CR), enhancement ratio (ER), sharpness, and qualitative scores (1-4) by two radiologists were recorded. RESULTS: The optimized CS-SPACE protocol has ETL 60, 20% k-space under-sampling, 0.002 regularization factor with 20 iterations. In patient studies, CS-SPACE and conventional SPACE had comparable image scores both pre- (3.35 +/- 0.85 vs. 3.54 +/- 0.65, p = 0.13) and post-contrast (3.72 +/- 0.58 vs. 3.53 +/- 0.57, p = 0.15), but the CS-SPACE acquisition was 37% faster (6:48 vs. 10:50). CS-SPACE agreed with SPACE for lumen/wall area, ER measurements and sharpness, but marginally reduced the CR. CONCLUSION: In the evaluation of intracranial vascular disease, CS-SPACE provides a substantial reduction in scan time compared to conventional T1-weighted SPACE while maintaining good image quality. PMID- 29209857 TI - Feeding Behavior of an Aquatic Snail as a Simple Endpoint to Assess the Exposure to Cadmium. AB - One of the aims of ecotoxicology is the assessment of the effects of chemicals on the ecosystems. Bioassays assessing lethality are frequently used in ecotoxicology, however they usually employ supra-environmental toxic concentrations. Toxicity tests employing behavioral endpoints may present a balance between simplicity (i.e., laboratory bioassays) and complexity (i.e., relevant ecological effects). The aim of this study was to develop a feeding behavioral bioassay with the aquatic snail, Potamopyrgus antipodarum, which included a 2 days exposure to cadmium, followed by a 9 days post-exposure observational period. Several behavioral feeding endpoints were monitored, including percentage of actively feeding animals, percentage of animals in food quadrants and a mobility index. The percentage of actively feeding animals was reduced by the four cadmium treatments (0.009, 0.026, 0.091 and 0.230 mg Cd/L) with the stronger effect in the highest concentration. The two highest cadmium concentrations significantly reduced the percentage of animals in food quadrants and the mobility index. Therefore, the percentage of actively feeding animals was the most sensitive endpoint to cadmium toxicity as the four cadmium concentrations caused a significant decrease in this endpoint. It is concluded that feeding behavior is a useful endpoint to detect the exposure of aquatic snails to cadmium. PMID- 29209858 TI - Direct and Indirect Anthropogenic Contamination in Water Sources: Evaluation of Chromosomal Stability and Cytotoxicity Using the Allium cepa Test. AB - Increasing industrialization and urbanization has deteriorated water quality around the world. Nowadays, evaluation of the effects of chemical compounds using bioassays is a critical step in the hazard identification assessment. Thus, this work aimed to determine the genetic damage caused by different types of anthropogenic contamination in a river's water in Brazil. Two points (P1 and P2) and two periods (referred as direct and indirect anthropogenic contamination) were evaluated in Allium cepa roots. MI was increased (p < 0.05) in both points in the indirect anthropogenic contamination and decreased in the indirect anthropogenic contamination periods. Moreover, parameters as DNA instability (CA and MN) were observed in both periods indicating substances in the water with mutagenic, genotoxic, and cytotoxic potential. Interestingly, a 20-fold increase in CA frequencies were observed in P1 and P2 in the second collection period (direct anthropogenic contamination) (p < 0.05). In conclusion, our data indicated that anthropogenic activities in the area contributed to contaminate this water source. Moreover, direct anthropogenic contamination maximized the damage, posing a possible hazard to population health. PMID- 29209859 TI - Spicae aetheroleum in uncomplicated acute bronchitis: a double-blind, randomised clinical trial. AB - BACKGROUND: The trial aimed to evaluate the efficacy and safety of Spicae aetheroleum (Spicae ae.), a phytomedicine obtained by steam distillation of the flowering tops of Lavandula latifolia, as compared to placebo in adult patients with acute bronchitis. METHODS: Patients with uncomplicated acute bronchitis (bronchitis severity score [BSS] >= 5 score points) were randomly assigned to treatment with Spicae ae. or placebo in a double-blind, parallel-group design. No additional treatment was admitted. The primary objective was the mean difference of a defined total BSS of 25% between the Spicae ae. and the placebo group after 7 days of full medication dose. Secondary endpoints included the BSS at day 10, additional signs and symptoms of bronchitis, quality of life (QoL) and safety. RESULTS: The mean decrease in BSS at day 7 and day 10 was significant with 4.79 vs. 3.20 (p < 0.005 for a 25% difference) and 6.47 vs. 4.32 (p < 0.009 for a 25% difference) score points respectively in the Spicae ae. (n = 119) vs. placebo group (n = 110). Accordingly, most additional signs and symptoms of acute bronchitis as well as the patients' QoL improved significantly with Spicae ae. as compared to placebo. In all, 258 patients were eligible for safety analysis. The treatment with Spicae ae. was well tolerated; no serious adverse events occurred. CONCLUSION: The defined objectives both for the primary and secondary endpoints have been met. The results of this study provide evidence that Spicae ae. is well tolerated, effective and superior to placebo in the symptomatic treatment of uncomplicated acute bronchitis in adult patients. PMID- 29209861 TI - Development of new analytical methods for the determination of caffeine content in aqueous solution of green coffee beans. AB - BACKGROUND: This study was conducted to develop fast and cost effective methods for the determination of caffeine in green coffee beans. In the present work direct determination of caffeine in aqueous solution of green coffee bean was performed using FT-IR-ATR and fluorescence spectrophotometry. Caffeine was also directly determined in dimethylformamide solution using NIR spectroscopy with univariate calibration technique. RESULTS: The percentage of caffeine for the same sample of green coffee beans was determined using the three newly developed methods. The caffeine content of the green coffee beans was found to be 1.52 +/- 0.09 (% w/w) using FT-IR-ATR, 1.50 +/- 0.14 (% w/w) using NIR and 1.50 +/- 0.05 (% w/w) using fluorescence spectroscopy. The means of the three methods were compared by applying one way analysis of variance and at p = 0.05 significance level the means were not significantly different. The percentage of caffeine in the same sample of green coffee bean was also determined by using the literature reported UV/Vis spectrophotometric method for comparison and found to be 1.40 +/- 0.02 (% w/w). CONCLUSION: New simple, rapid and inexpensive methods were developed for direct determination of caffeine content in aqueous solution of green coffee beans using FT-IR-ATR and fluorescence spectrophotometries. NIR spectrophotometry can also be used as alternative choice of caffeine determination using reduced amount of organic solvent (dimethylformamide) and univariate calibration technique. These analytical methods may therefore, be recommended for the rapid, simple, safe and cost effective determination of caffeine in green coffee beans. PMID- 29209860 TI - Identification of Inhibitory Compounds Against Singapore Grouper Iridovirus Infection by Cell Viability-Based Screening Assay and Droplet Digital PCR. AB - Singapore grouper iridovirus (SGIV) is one of the major causative agents of fish diseases and has caused significant economic losses in the aquaculture industry. There is currently no commercial vaccine or effective antiviral treatment against SGIV infection. Annually, an increasing number of small molecule compounds from various sources have been produced, and many are proved to be potential inhibitors against viruses. Here, a high-throughput in vitro cell viability-based screening assay was developed to identify antiviral compounds against SGIV using the luminescent-based CellTiter-Glo reagent in cultured grouper spleen cells by quantificational measurement of the cytopathic effects induced by SGIV infection. This assay was utilized to screen for potential SGIV inhibitors from five customized compounds which had been reported to be capable of inhibiting other viruses and 30 compounds isolated from various marine organisms, and three of them [ribavirin, harringtonine, and 2-hydroxytetradecanoic acid (2-HOM)] were identified to be effective on inhibiting SGIV infection, which was further confirmed with droplet digital PCR (ddPCR). In addition, the ddPCR results revealed that ribavirin and 2-HOM inhibited SGIV replication and entry in a dose dependent manner, and harringtonine could reduce SGIV replication rather than entry at the working concentration without significant toxicity. These findings provided an easy and reliable cell viability-based screening assay to identify compounds with anti-SGIV effect and a way of studying the anti-SGIV mechanism of compounds. PMID- 29209862 TI - Model selection criteria for dynamic brain PET studies. AB - BACKGROUND: Several criteria exist to identify the optimal model for quantification of tracer kinetics. The purpose of this study was to evaluate the correspondence in kinetic model preference identification for brain PET studies among five model selection criteria: Akaike Information Criterion (AIC), AIC unbiased (AICC), model selection criterion (MSC), Schwartz Criterion (SC), and F test. MATERIALS AND METHODS: Six tracers were evaluated: [11C]FMZ, [11C]GMOM, [11C]PK11195, [11C]Raclopride, [18F]FDG, and [11C]PHT, including data from five subjects per tracer. Time activity curves (TACs) were analysed using six plasma input models: reversible single-tissue model (1T2k), irreversible two-tissue model (2T3k), and reversible two-tissue model (2T4k), all with and without blood volume fraction parameter (V B). For each tracer and criterion, the percentage of TACs preferring a certain model was calculated. RESULTS: For all radiotracers, strong agreement was seen across the model selection criteria. The F-test was considered as the reference, as it is a frequently used hypothesis test. The F test confirmed the AIC preferred model in 87% of all cases. The strongest (but minimal) disagreement across regional TACs was found when comparing AIC with AICC. Despite these regional discrepancies, same preferred kinetic model was obtained using all criteria, with an exception of one FMZ subject. CONCLUSION: In conclusion, all five model selection criteria resulted in similar conclusions with only minor differences that did not affect overall model selection. PMID- 29209863 TI - Patient-reported common symptoms as an assessment of interventions in medication reviews: a randomised, controlled trial. AB - Background A 'Patient-Reported Outcome Measure, Inquiry into Side Effects' (PROMISE) instrument was developed for patients to report common symptoms in clinical medication reviews. Objective To determine changes in patient-reported drug-associated symptoms collected by PROMISE before and after community pharmacist-led clinical medication reviews compared with usual care. Setting Community pharmacies in the Netherlands. Methods Patients were randomised into an intervention group (IG) and a control group (CG). PROMISE was used to collect symptoms experienced during the previous month, and any suspected drug-associated symptoms from both groups at baseline and at follow-up after 3 months. IG patients received a one-time clinical medication review, while CG patients received usual care. Main outcome measure Mean number of drug-associated symptoms at follow-up. Results Measurements were completed by 78 IG and 67 CG patients from 15 community pharmacies. Mean numbers of drug-associated symptoms per patient at follow-up were 4.0 in the IG and 5.0 in the CG, with an incident rate ratio between the groups of 0.90 (95% CI 0.62-1.33). Mean numbers of drug associated symptoms per patient reported at follow-up and persisting since baseline were 2.1 in the IG and 2.6 in the CG, with an incident rate ratio of 0.85 (95% CI 0.43-1.42). The lowest percentages of persisting drug-associated symptoms detected in the IG were 'palpitations' and 'stomach pain, dyspepsia' while in the CG they were 'stomach pain, dyspepsia' and 'trembling, shivering'. Conclusion PROMISE provided meaningful information on drug-associated symptoms in clinical medication reviews, however the number of drug-associated symptoms was not reduced by performing clinical medication reviews compared with usual care. PMID- 29209864 TI - Pharmacists' and prescribers' neonatal abstinence syndrome (NAS) prevention behaviors: a preliminary analysis. AB - Background Maternal opioid use and neonatal abstinence syndrome (NAS) incidence have increased markedly in the US in recent years. Objectives (1) To assess prescribers' and community pharmacists' guideline-based NAS prevention behaviors; (2) to describe providers' perceptions of contraceptive appropriateness in female patients of childbearing age. Method Cross-sectional study of 100 randomly selected primary care physicians, 100 prescribers authorized to engage in in office treatment of opioid use disorders with buprenorphine, 100 pain management clinic directors, and 100 community pharmacists in Tennessee (N = 400 providers total) to evaluate self-reported engagement in 15 NAS prevention behaviors and perceived appropriateness of 8 contraceptive methods in opioid using women of childbearing age. Results An overall response rate of 17.5% was obtained. Pain clinic directors reported the most engagement in NAS prevention, engaging 80% or more of female patients of childbearing age prescribed an opioid in 11 prevention behaviors, followed by buprenorphine prescribers (8 behaviors), primary care physicians (5 behaviors), and community pharmacists (2 behaviors). Pain clinic directors, primary care physicians, and community pharmacists perceived oral contraceptive pills and patches to be as appropriate as long-acting, reversible forms of contraception (e.g., implants, injectable depots, intrauterine devices). Conclusion Provider engagement in behaviors that could prevent NAS is variable. Interventions should be implemented that equip providers to engage patients in conversations about long-acting, reversible contraception. PMID- 29209865 TI - Short and fast vs long and slow: age changes courtship in male orb-web spiders (Argiope keyserlingi). AB - Male reproductive performance can vary with condition, age and future reproductive opportunities. Web-building spiders are ideal models to examine the effects of senescence on fitness-related behaviours due to strong selection on male courtship to reduce pre-copulatory sexual cannibalism. Argiope keyserlingi spiders generate courtship vibrations, or 'shudders', that reduce female aggression. We found that male A. keyserlingi courtship slowed with chronological age. Older males took longer to travel across the courtship thread, and overall number of shudders increased. Males retained some ability to modulate courtship quality (shudder duration and number of rocks within each shudder) in response to female quality. A change in courtship performance over time, despite strong selection for repeatability, indicates that ageing in male A. keyserlingi may have direct impacts on reproductive performance. PMID- 29209866 TI - Photobiomodulation therapy protects skeletal muscle and improves muscular function of mdx mice in a dose-dependent manner through modulation of dystrophin. AB - This study aimed to analyze the protective effects of photobiomodulation therapy (PBMT) with combination of low-level laser therapy (LLLT) and light emitting diode therapy (LEDT) on skeletal muscle tissue to delay dystrophy progression in mdx mice (DMD mdx ). To this aim, mice were randomly divided into five different experimental groups: wild type (WT), placebo-control (DMD mdx ), PBMT with doses of 1 J (DMD mdx ), 3 J (DMD mdx ), and 10 J (DMD mdx ). PBMT was performed employing a cluster probe with 9 diodes (1 x 905nm super-pulsed laser diode; 4 x 875nm infrared LEDs; and 4 x 640nm red LEDs, manufactured by Multi Radiance Medical(r), Solon - OH, USA), 3 times a week for 14 weeks. PBMT was applied on a single point (tibialis anterior muscle-bilaterally). We analyzed functional performance, muscle morphology, and gene and protein expression of dystrophin. PBMT with a 10 J dose significantly improved (p < 0.001) functional performance compared to all other experimental groups. Muscle morphology was improved by all PBMT doses, with better outcomes with the 3 and 10 J doses. Gene expression of dystrophin was significantly increased with 3 J (p < 0.01) and 10 J (p < 0.01) doses when compared to placebo-control group. Regarding protein expression of dystrophin, 3 J (p < 0.001) and 10 J (p < 0.05) doses also significantly showed increase compared to placebo-control group. We conclude that PBMT can mainly preserve muscle morphology and improve muscular function of mdx mice through modulation of gene and protein expression of dystrophin. Furthermore, since PBMT is a non-pharmacological treatment which does not present side effects and is easy to handle, it can be seen as a promising tool for treating Duchenne's muscular dystrophy. PMID- 29209867 TI - Non-specific effects and clusters of women with painful TMD responders and non responders to LLLT: double-blind randomized clinical trial. AB - The aim was to analyze the non-specific effects (placebo, spontaneous remission, and regression to the mean) of the low-level laser therapy (LLLT) in women with myofascial pain (painful temporomandibular disorder (TMD)), as well as to differentiate between responders and non-responder clusters to active and placebo LLLT according to the anxiety levels, salivary cortisol, use of oral contraceptives, and premenstrual period. Sixty-four women diagnosed with myofascial pain (Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD)) were included, divided into laser (n = 20), placebo group (n = 21), and 23 controls (without treatment (WT)). The LLLT applied was 780 nm, masseter and temporal = 5 J/cm2 (20 mW-0.5 W/cm2), and TMJ area = 7.5 J/cm2 (30 mW-0.8 W/cm2), eight sessions, twice a week. The pain intensity (visual analogue scale (VAS)), anxiety (Beck Anxiety Inventory), salivary cortisol, and menstrual cycle's data at the baseline, T1-T8, and 30 days after LLLT (follow-up) were evaluated. The laser group showed 80% of pain reduction, placebo 85%, and WT 43% in T8. Women with severe anxiety and at the premenstrual period did not reduce pain with any LLLT. Active and placebo LLLT had similar effectiveness during the treatment period; however, women with moderate anxiety, cortisol levels above 10 ng/ml, and without contraceptive use maintain analgesia longer with active LLLT than placebo (follow-up 30 days). Women with low levels of anxiety, salivary cortisol below 10 ng/ml, and with contraceptive use showed the higher pain reduction. The analgesia promoted by LLLT in women with myofascial pain is a result of non-specific effects during the treatment period, although active LLLT is more effective in maintaining the analgesia after treatment (30 days) for the cluster of women with moderate anxiety, salivary cortisol above 10 ng/ml, and without contraceptive use. PMID- 29209869 TI - Correction to: Effect of incubation duration, growth temperature, and abiotic surface type on cell surface properties, adhesion and pathogenicity of biofilm detached Staphylococcus aureus cells. AB - Following publication of the original article (Khelissa et al. 2017), the authors reported that the legend for Fig. 3 contained an error. Instead of "Adhesion of planktonic and biofilm-detached Staphylococcus aureus cells on stainless steel and polycarbonate. Cell cultures were grown at 20, 30 and 37 degrees C, during 24 h (white square) and 48 h (white square). Planktonic cells adhesion on stainless steel (a) and polycarbonate (b). Adhesion of stainless steel-biofilm detached-cells on stainless steel 24 (c) and polycarbonate-biofilm-detached-cells on polycarbonate (d)", the legend should read "Adhesion of planktonic and biofilm detached Staphylococcus aureus cells on stainless steel and polycarbonate. Cell cultures were grown at 20, 30 and 37 degrees C, during 24 h (black square) and 48 h (white square). Planktonic cells adhesion on stainless steel (a) and polycarbonate (b). Adhesion of stainless steel-biofilm-detached-cells on stainless steel 24 PMID- 29209868 TI - Laser surface modification of decellularized extracellular cartilage matrix for cartilage tissue engineering. AB - The implantation of autologous cartilage as the gold standard operative procedure for the reconstruction of cartilage defects in the head and neck region unfortunately implicates a variety of negative effects at the donor site. Tissue engineered cartilage appears to be a promising alternative. However, due to the complex requirements, the optimal material is yet to be determined. As demonstrated previously, decellularized porcine cartilage (DECM) might be a good option to engineer vital cartilage. As the dense structure of DECM limits cellular infiltration, we investigated surface modifications of the scaffolds by carbon dioxide (CO2) and Er:YAG laser application to facilitate the migration of chondrocytes inside the scaffold. After laser treatment, the scaffolds were seeded with human nasal septal chondrocytes and analyzed with respect to cell migration and formation of new extracellular matrix proteins. Histology, immunohistochemistry, SEM, and TEM examination revealed an increase of the scaffolds' surface area with proliferation of cell numbers on the scaffolds for both laser types. The lack of cytotoxic effects was demonstrated by standard cytotoxicity testing. However, a thermal denaturation area seemed to hinder the migration of the chondrocytes inside the scaffolds, even more so after CO2 laser treatment. Therefore, the Er:YAG laser seemed to be better suitable. Further modifications of the laser adjustments or the use of alternative laser systems might be advantageous for surface enlargement and to facilitate migration of chondrocytes into the scaffold in one step. PMID- 29209870 TI - Photosynthetic acclimation of Grammatophyllum speciosum to growth irradiance under natural conditions in Singapore. AB - Grammatophyllum speciosum, a native species to Singapore, have become extinct mainly due to habitat loss. Recently, Singapore has reintroduced G. speciosum into the natural environment under the orchid conservation programme. In this study, leaves of G. speciosum grown under low light (LL) under natural conditions had faster expansion rate and higher specific leaf area than leaves grown under intermediate light (IL) and high light (HL). All leaves had more than 95% midday relative water content. Although midday Fv/Fm ratios were lower in HL leaves than in IL and LL leaves, none of them exhibited chronic photoinhibition. HL leaves had upregulated their light utilization through higher photochemical quantum yield (DeltaF/Fm') and greater electron transport rate. HL leaves also had higher non-photochemical quenching, indicating that they had higher capability to dissipate excess light as heat, which was supported by their lower chlorophyll but higher carotenoids content. Although there was a linear correction between leaf temperature and photosynthetic photon flux density (PPFD), no correlations were found between stomatal conductance (gs) and PPFD, gs and leaf temperature. Light-saturated photosynthetic CO2 assimilation rate (A sat ) was significantly higher in HL leaves than those of IL and LL leaves. However, all leaves had similar light-saturated stomatal conductance. Although LL leaves had higher leaf total reduced nitrogen that those of IL and HL leaves, none of them seemed to suffer from nitrogen deficiency during the experimental period. To conclude, G. speciosum is able to survive under different growth irradiances without watering and adding fertilizers. PMID- 29209871 TI - Fe(II) reduction of pyrolusite (beta-MnO2) and secondary mineral evolution. AB - Iron (Fe) and manganese (Mn) are the two most common redox-active elements in the Earth's crust and are well known to influence mineral formation and dissolution, trace metal sequestration, and contaminant transformations in soils and sediments. Here, we characterized the reaction of aqueous Fe(II) with pyrolusite (beta-MnO2) using electron microscopy, X-ray diffraction, aqueous Fe and Mn analyses, and 57Fe Mossbauer spectroscopy. We reacted pyrolusite solids repeatedly with 3 mM Fe(II) at pH 7.5 to evaluate whether electron transfer occurs and to track the evolving reactivity of the Mn/Fe solids. We used Fe isotopes (56 and 57) in conjunction with 57Fe Mossbauer spectroscopy to isolate oxidation of Fe(II) by Fe(III) precipitates or pyrolusite. Using these complementary techniques, we determined that Fe(II) is initially oxidized by pyrolusite and that lepidocrocite is the dominant Fe oxidation product. Additional Fe(II) exposures result in an increasing proportion of magnetite on the pyrolusite surface. Over a series of nine 3 mM Fe(II) additions, Fe(II) continued to be oxidized by the Mn/Fe particles suggesting that Mn/Fe phases are not fully passivated and remain redox active even after extensive surface coverage by Fe(III) oxides. Interestingly, the initial Fe(III) oxide precipitates became further reduced as Fe(II) was added and additional Mn was released into solution suggesting that both the Fe oxide coating and underlying Mn phase continue to participate in redox reactions when freshly exposed to Fe(II). Our findings indicate that Fe and Mn chemistry is influenced by sustained reactions of Fe(II) with Mn/Fe oxides. PMID- 29209872 TI - Spectrobiopsy in neurodiagnostics: the new era. PMID- 29209873 TI - 99mTc-rituximab as a tracer for sentinel lymph node biopsy in breast cancer patients: a single-center analysis. AB - PURPOSE: This study aimed to determine the long-term prognosis of breast cancer patients with 99mTc-rituximab for sentinel lymph node biopsy (SLNB). METHODS: A total of 2947 patients with negative sentinel lymph nodes (SLNs) omitting axillary lymph node dissection (ALND), treated between June 2005 and December 2013, were retrospectively analyzed. SLNB was performed prior to adjuvant therapy. RESULTS: After a median follow-up of 62 months, 22 cases of axillary recurrence (AR) were observed. The 5-year AR rate (ARR) was 0.7% [95% confidence interval (CI) 0.3-1.1%] and the 5-year relapse-free survival (RFS) was 95.2% (95% CI 94.4-96.0%). Multivariate analysis showed that abnormal axillary ultrasound with negative fine-needle aspiration (FNA) [hazard ratio (HR) 3.79, 95% CI 1.55 9.28; P = 0.004], not receiving radiotherapy (HR 4.38, 95% CI 1.47-13.05; P = 0.008), and age <= 40 years (HR 2.93, 95% CI 1.19-7.20; P = 0.020) were independent risk factors for AR. CONCLUSIONS: ARR of SLNB-negative patients with 99mTc-rituximab is low. Abnormal axillary ultrasound with negative FNA, not receiving radiotherapy, and age <= 40 years were prognostic factors for higher ARRs. PMID- 29209874 TI - Utilization of hypofractionated radiotherapy in treatment of glioblastoma multiforme in elderly patients not receiving adjuvant chemoradiotherapy: A National Cancer Database Analysis. AB - To assess the utilization and outcomes of adjuvant monotherapy with hypofractionated radiation (RT) among elderly patients not receiving traditional adjuvant chemoradiotherapy (cRT) for glioblastoma multiforme (GBM). A retrospective analysis using the National Cancer Data Base with GBM patients aged 65 years or older treated between 2005 and 2012 was conducted. Patients who underwent hypofractionated RT (40 Gy), conventional RT (60 Gy), chemotherapy, or best supportive care alone were included. Statistical methods included logistic regression for utilization and Cox regression for survival analysis. A total of 9556 patients were analyzed. On multivariate analysis (compared to those receiving conventional RT), patients more likely to be treated with hypofractionated RT were older (75-84 years old OR 2.05; p < 0.01 and >= 85 years old OR 3.32; p < 0.01), with a Charlson/Deyo score of 2 or higher (OR 1.80; p = 0.05), from communities > 50 miles from their treatment facility (50-100 miles OR 8.03; p < 0.01 and > 100 miles OR 7.16; p < 0.01), treated at an Academic/Research facility (OR 2.85; p = 0.04), and diagnosed between 2011 and 2012 (OR 4.15; p < 0.01). On Cox regression, hypofractionated RT (HR 0.65; p < 0.01), conventional RT (HR 0.60; p < 0.01), and chemotherapy alone (HR 0.69; p < 0.01) were all associated with decreased risk of death compared to no adjuvant therapy. Among patients receiving adjuvant treatment, utilization of hypofractionated RT increased from 7 to 19% during the study period. Among elderly patients with GBM not receiving cRT, the utilization of adjuvant monotherapy with hypofractionated RT has increased over time. Retrospective evidence suggests it may be better than best supportive care alone and as good as conventionally fractionated RT alone. PMID- 29209875 TI - Non-routine discharge disposition is associated with post-discharge complications and 30-day readmissions following craniotomy for brain tumor resection. AB - Several studies have reported an association between high-volume brain tumor centers and greater rates of routine discharge disposition in the context of better outcomes. However, the relationship between in-hospital complications, discharge destination, and postoperative adverse events (AEs) remains unexplored. The purpose of this study was thus to use a large, prospectively collected database to examine the association between discharge destination, post-discharge complications, readmissions, and reoperations among patients undergoing craniotomy for brain tumor. The 2011-2014 National Surgical Quality Improvement (NSQIP) database was employed to identify all adult patients who underwent a craniotomy for brain tumor resection. Demographics, comorbidities, and perioperative variables were collected for each patient. Univariate statistics with subsequent binary logistic regression analyses were used to explore the relationship between these perioperative factors and postoperative events, including major post-discharge complications, minor post-discharge AEs, readmissions, and return to the operating room (ROR). Significant variables such as demographics, comorbidities, operative time, body mass index, ASA classification and pre-discharge complications were controlled for in each model. Of the 14,854 patients identified, 11,409 (77.9%) were discharged home. After controlling for comorbidities and in-hospital AEs, discharge to skilled rehabilitation was an independent predictor of major post-discharge complications (OR 1.74, 95% CI 1.31-2.30, p < 0.001), minor post-discharge events (OR 1.60, 95% CI 1.07-2.41, p = 0.024), and ROR (OR 1.68, 95% CI 1.27-2.22, p < 0.001). Discharge to a care facility was predictive of major complications (OR 1.51, 95% CI 1.04-2.19, p = 0.030) and ROR (OR 2.02, 95% CI 1.46-2.80, p < 0.001). These factors may be considered in discharge planning and further outcomes studies for patients undergoing resection. PMID- 29209876 TI - Mentalization deficit in bipolar patients during an acute depressive and manic episode: association with cognitive functions. AB - BACKGROUND: A number of studies in bipolar patients have shown a deficit in mentalization (theory of mind), one of the main aspects of social cognition. The aim of current study was to assess both cognitive and affective mentalization in well-defined groups of depressed and manic bipolar patients, compared to healthy control subjects, using a battery of tests measuring mentalization processes. The second aim was to investigate a possible relationship between cognitive and affective mentalization and cognitive functions in bipolar patients during a depressive and manic episode. METHODS: The study involved 25 bipolar disorder type I patients (10 male, 15 female) during a depressive episode (mean 24 +/- 2 points in the 17-item Hamilton Depression Rating Scale) and 25 patients (10 male, 15 female) during a manic episode (mean 27 +/- 4 points in the Young Mania Rating Scale). The control group consisted of 25 healthy subjects (10 male, 15 female) without psychiatric disorders. To measure mentalization, a revised version of the Reading the Mind in the Eyes (R-MET), the Strange Stories (SS), the Faux Pas Recognition (FPR), and the Moving Shapes Paradigm (MSP) tests were used. Assessment of cognitive functioning was made using the Digit Span, Trail Making, and Wisconsin Card Sorting Tests. RESULTS: In bipolar patients significant deficits in both cognitive and affective mentalization were demonstrated during both acute depressive and manic episodes. The impairment in FPR in manic patients was more severe than that in the depressive ones. On the other hand, in MSP, manic patients showed significantly increased intentionality for non mentalization animations, compared with depressive patients and for "cause and effect" animations compared with control subjects. A significant relationship was found between the decrease in cognitive and affective mentalization and deficits of cognitive functions during both the depressive and manic episodes. CONCLUSIONS: The results obtained confirm the deficits of mentalization in bipolar I patients, during both acute depressive and manic episodes. We found that in such patients mentalization deficits significantly correlated with cognitive dysfunctions more so during depressive episodes. PMID- 29209877 TI - Effects of Fish and Grape Seed Oils as Core of Haloperidol-Loaded Nanocapsules on Oral Dyskinesia in Rats. AB - Haloperidol is a widely used antipsychotic, despite the severe motor side effects associated with its chronic use. This study was carried out to compare oral dyskinesia induced by different formulations of haloperidol-loaded nanocapsules containing caprylic/capric triglycerides, fish oil or grape seed oil (GSO) as core, as well as free haloperidol. Haloperidol-loaded lipid-core nanocapsules formulations were prepared, physicochemical characterized and administered (0.5 mg kg-1-ip) to rats for 28 days. Oral dyskinesia was evaluated acutely and subchronically and after that cell viability and free radical generation in cortex and substantia nigra. All formulations presented satisfactory physicochemical parameters. Acutely, all formulations were able to prevent oral dyskinesia development in comparison to free haloperidol, except haloperidol loaded nanocapsules containing GSO, whose effect was only partial. After subchronic treatment, all haloperidol-loaded nanocapsules formulations prevented oral dyskinesia in relation to free drug. Also, haloperidol-loaded nanocapsules containing fish oil and GSO were more effective than caprylic/capric triglycerides nanocapsules and free haloperidol in cell viability preservation and control of free radical generation. Our findings showed that fish oil formulation may be considered as the best formulation of haloperidol-loaded lipid core nanocapsules, being able to prevent motor side effects associated with chronic use of antipsychotic drugs, as haloperidol. PMID- 29209878 TI - Cell-Type-Specific Spatiotemporal Expression of Creatine Biosynthetic Enzyme S adenosylmethionine:guanidinoacetate N-methyltransferase in Developing Mouse Brain. AB - Creatine is synthesized by S-adenosylmethionine:guanidinoacetate N methyltransferase (GAMT), and the creatine/phosphocreatine shuttle system mediated by creatine kinase (CK) is essential for storage and regeneration of high-energy phosphates in cells. Although the importance of this system in brain development is evidenced by the hereditary nature of creatine deficiency syndrome, the spatiotemporal cellular expression patterns of GAMT in developing brain remain unknown. Here we show that two waves of high GAMT expression occur in developing mouse brain. The first involves high expression in mitotic cells in the ventricular zone of the brain wall and the external granular layer of the cerebellum at the embryonic and neonatal stages. The second was initiated by striking up-regulation of GAMT in oligodendrocytes during the second and third postnatal weeks (i.e., the active myelination stage), which continued to adulthood. Distinct temporal patterns were also evident in other cell types. GAMT was highly expressed in perivascular pericytes and smooth muscle cells after birth, but not in adults. In neurons, GAMT levels were low to moderate in neuroblasts residing in the ventricular zone, increased during the second postnatal week when active dendritogenesis and synaptogenesis occur, and decreased to very low levels thereafter. Moderate levels were observed in astrocytes throughout development. The highly regulated, cell type-dependent expression of GAMT suggests that local creatine biosynthesis plays critical roles in certain phases of neural development. In accordance with this idea, we observed increased CK expression in differentiating neurons; this would increase creatine/phosphocreatine shuttle system activity, which might reflect increased energy demand. PMID- 29209880 TI - Efficacy of locally produced Latanoprost in the control of intraocular pressure in patients with primary open-angle glaucoma. AB - PURPOSE: To determine the efficacy of locally produced Latanoprost in reducing the intraocular pressure (IOP) in patients with Primary open-angle glaucoma (POAG). DESIGN: Open-label, non-comparative, observational case study with non probability purposive sampling. METHODS: A total of 48 patients (94 eyes) of either gender were recruited from glaucoma clinic with the diagnosis of POAG, having IOP of more than 21 mmHg. Patients were commenced on locally produced Latanoprost (Vislat 0.005%). IOP was subsequently measured at 4 weeks and 12 weeks, respectively. The primary end point was reduction in IOP at 12 weeks after the initiation of treatment. RESULTS: A total of 48 patients (94 eyes) were recruited from glaucoma clinic. The average IOP of our patients at baseline was 28.6 +/- 8.1 mmHg, decreasing to 21.3 +/- 10.6 mmHg at 4 weeks, indicating a drop of 19.1% (P < 0.001). IOP further decreased to 20.3 +/- 8.7 mmHg after 3 months of treatment indicating a decrease of 23.3% (P < 0.001). A decrease in IOP occurred in 51 eyes (71.8%) at 4 weeks after treatment, improving to 54 eyes (76%) at 3-month follow-up. Twenty eyes (28.1%) did not show any change in IOP at 4 weeks. However, after 3-month follow-up only 17 eyes (23.9%) did not reveal any change in IOP. CONCLUSION: Our results showed a decrease in IOP of 19.1% after 4 weeks, increasing to 23.3% at 12 weeks in cohort of 37 patients (72 eyes) treated with locally produced Latanoprost (Vislat 0.005%). PMID- 29209879 TI - One-pot analysis of sulfated glycosaminoglycans. AB - Routine isolation, estimation, and characterization of glycosaminoglycans (GAGs) is quite challenging. This is compounded by the fact that the analysis is technique-intensive and more often there will be a limitation on the quantity of GAGs available for various structural, functional and biological studies. In such a scenario, the sample which can be made available for estimation and elucidation of disaccharide composition and species composition as well remains a challenge. In the present study, we have determined the feasibility where isolated sulfated GAGs (sGAG) that is estimated by metachromasia is recovered for further analysis. sGAG-DMMB complex formed after estimation of sGAG by DMMB dye-binding assay was decomplexed and sGAGs were recovered. Recovered sGAGs were analysed by cellulose acetate membrane electrophoresis and taken up for disaccharide composition analysis by HPLC after fluorescent labelling. Good recovery of sGAGs after metachromasia was observed in all samples of varying levels of purity by this protocol. Further analysis using cellulose acetate membrane electrophoresis showed good separation between species of sGAGs namely chondroitin/dermatan sulfate and heparan sulfate, with comparatively lesser interference from hyaluronic acid, a non-sulfated GAG. Analysis of recovered sGAGs, specifically heparan sulfate by HPLC showed characteristic disaccharide composition akin to that of GAG obtained by the conventional protocol. Thus, in the present paper, we show that sGAG can be recovered in comparatively purer form after routine estimation and can be used for further analysis thus saving up on the precious sample. PMID- 29209881 TI - The costs of repatriating an ill seafarer: a micro-costing approach. AB - Seafarers sail the high seas around the globe. In case of illness, they are protected by international regulations stating that the employers must pay all expenses in relation to repatriation, but very little is known about the cost of these repatriations. The objective of this study was to estimate the financial burden of repatriations in case of illness. We applied a local approach, a micro costing method, with an employer perspective using four case vignettes: I) Acute myocardial infarction (AMI), II) Malignant hypertension, III) Appendicitis and IV) Malaria. Direct cost data were derived from the Danish Maritime Authority while for indirect costs estimations were applied using the friction cost approach. The average total costs of repatriation varied for the four case vignettes; AMI (98,823 EUR), Malignant hypertension (47,597 EUR), Appendicitis (58,639 EUR) and Malaria (23,792 EUR) mainly due to large variations in the average direct costs which ranged between 9560 euro in the malaria case and 77,255 in the AMI case. Repatriating an ill seafarer is a costly operation and employers have a financial interest in promoting the health of seafarers by introducing or further strengthen cost-effective prevention programs and hereby reducing the number of repatriations. PMID- 29209882 TI - Hemodynamics of Focal Versus Global Growth of Small Cerebral Aneurysms. AB - BACKGROUND AND PURPOSE: Hemodynamics play a driving role in the life cycle of brain aneurysms from initiation through growth until eventual rupture. The specific factors behind aneurysm growth, especially in small aneurysms, are not well elucidated. The goal of this study was to differentiate focal versus general growth and to analyze the hemodynamic microenvironment at the sites of enlargement in small cerebral aneurysms. MATERIALS AND METHODS: Small aneurysms showing growth during follow-up were identified from our prospective aneurysm database. Three dimensional rotational angiography (3DRA) studies before and after morphology changes were available for all aneurysms included in the study, allowing for detailed shape and computational fluid dynamic (CFD) based hemodynamic analysis. Six patients fulfilled the inclusion criteria. RESULTS: Two different types of change were observed: focal growth, with bleb or blister formation in three, and global aneurysm enlargement accompanied by neck broadening in other three patients. Areas of focal growth showed low shear conditions with increased oscillations at the site of growth (a low wall shear stress [WSS] and high oscillatory shear index [OSI]). Global aneurysm enlargement was associated with increased WSS coupled with a high spatial wall shear stress gradient (WSSG). CONCLUSION: For different aneurysm growth types, distinctive hemodynamic microenvironment may be responsible and temporal-spatial changes of the pathologic WSS would have the inciting effect. We suggest the distinction of focal and global growth types in future hemodynamic and histological studies. PMID- 29209883 TI - Disseminated juvenile xanthogranuloma occurring after treatment of Langerhans cell histiocytosis: a case report. AB - CASE PRESENTATION: An 11-year-old boy presented with a complaint of a painful temporal mass. Brain magnetic resonance imaging (MRI) showed a 3-cm-sized, homogeneously enhancing mass in the greater wing of the left sphenoid bone, which was diagnosed as Langerhans cell histiocytosis (LCH). Chemotherapy with vincristine and prednisolone was performed for 1 year. After 1 year and 11 months off treatment, he developed symptoms such as polydipsia and polyuria. Brain MRI showed thickening of the pituitary stalk with enhancement, suggestive of LCH involvement, and no recurrence in the sphenoid bone. After 4 years and 4 months off treatment, he developed multiple, subcutaneous, asymptomatic, and yellowish variable-sized papules on his face, posterior neck, and back, which were pathologically diagnosed as juvenile xanthogranuloma (JXG). Brain MRI revealed multifocal enhancing skull lesions in the left parietal, right frontal, and left occipital bones, which were also diagnosed as JXG. After 5 years and 8 months off treatment, the number of variable-sized skin lesions was increased without changes in the lesions in the skull and pituitary stalk. CONCLUSION: We report a case of disseminated JXG occurring after treatment of LCH. These clinical co presentations suggested a close relationship between their pathogenesis. PMID- 29209884 TI - Congenital obstruction of foramen of Monro: report of 10 patients and literature review. AB - INTRODUCTION: A wide spectrum of etiologies can obstruct foramen of Monro (FOM) and result in hydrocephalus. Congenital occlusion of FOM is a rare entity which may present either in childhood or in adulthood. METHODS: Between 2007 and 2016, we screened all pediatric patients with hydrocephalus of either one or both lateral ventricles. Congenital occlusion of FOM was confirmed in the absence of masses occupying the FOM, prenatal or postnatal central nervous system (CNS) infections, intraventricular hemorrhage, previous cerebral intervention, or associated CNS anomalies affecting the flow of cerebrospinal fluid (CSF). We have performed a comprehensive literature review of the previously reported cases and provided a tentative embryological pathogenesis of FOM occlusion. RESULTS: We introduce 10 new cases of congenital FOM obstruction. The mean age of the patients was 6.65 +/- 10.51 months. Two patients underwent ventriculo-peritoneal (VP) shunting as the primary intervention, while endoscopic septostomy was performed in the others. The mean follow-up was 3.05 +/- 2.16 years (1-8 years). Although the hydrocephalus was controlled, all patients remained hemiparetic with some degree of developmental and cognitive impairments. Previously, 38 similar cases were reported: 10 of them (26.3%) were adults. Overall, VP shunting was the treatment of choice in 44.7% of patients. While most adults fully recovered, 7.2% of pediatrics remained hemiparetic and 10.7% of them had cognitive and developmental delay. CONCLUSION: Ten cases of congenital obstruction of the foramen of Monro have been managed through a period of 9-year study. Details of these patients in addition to 38 previously reported cases are presented in this study. PMID- 29209885 TI - Neuroimaging findings associated with congenital Zika virus syndrome: case series at the time of first epidemic outbreak in Pernambuco State, Brazil. AB - PURPOSE: This study aimed to describe the prenatal and postnatal neuroimaging and clinical findings in a clinical series following congenital Zika virus syndrome during the first epidemic Zika virus (ZIKV) outbreak in the State of Pernambuco, Brazil. METHODS: We (the authors) conducted a retrospective study of a prospectively collected case series of fetuses and neonates with microcephaly born to mothers with presumed/confirmed congenital ZIKV syndrome. Prenatal ultrasound findings were reviewed to identify potential central nervous system (CNS) abnormalities. Neonates underwent postnatal neuroimaging follow up by computed tomography (CT)-scan or magnetic resonance (MR) imaging. RESULTS: The prenatal and postnatal outcomes of eight fetuses/neonates born to mothers with presumed/confirmed congenital ZIKV syndrome were examined. The mean gestational age at ultrasound was 31.3 weeks. Severe microcephaly was identified in seven fetuses (87.5%), while ventriculomegaly and brain calcifications were detected in all fetuses. The mean gestational age at delivery and head circumference were 38 weeks and 30.2 cm, respectively. All cases of microcephaly but one was confirmed postnatally. Brain CT scans or MRIs were performed in seven newborns, and all had periventricular and/or parenchymal calcifications, symmetrical or asymmetrical ventriculomegaly, pachygyria, and reduced sulcation and gyration. MR imaging aided the detection of one undetected case of corpus callosum dysgenesis and was essential in documenting reduced mantel of the cerebral cortex and reduced gyration and sulcation, especially involving the parietal lobe. In addition, MR imaging was also able to display irregular interfaces with the subcortical white matter, a finding consistent with polymicrogyria, more frequently seen at the level of the frontal lobe and atrophic and thinned pons. CONCLUSION: Severe microcephaly and CNS abnormalities may be associated with congenital ZIKV syndrome. PMID- 29209886 TI - Reply to the letter by Joob and Wiwanitkit regarding our article on congenital Zika syndrome and hydrocephalus. PMID- 29209887 TI - The relationship between hematological parameters and prognosis of children with acute ischemic stroke. AB - BACKGROUND: Stroke is rarely seen in children, but it is a major cause of morbidity and mortality. Therefore, there is a need for inexpensive and noninvasive diagnostic methods for estimating the prognosis. Although the prognostic importance of hematological parameters in acute ischemic stroke were reported in adult studies, there is a lack in pediatric ages. The aim of the study is to investigate the relationship between hematological parameters and prognosis of acute ischemic stroke in children. METHODS: Retrospectively scanned in the study were 106 pediatric patients with acute ischemic stroke who managed at the Medical Faculty of Erciyes University, Kayseri, between the years of 2000 and 2014. White blood count (WBC); neutrophil, lymphocyte, and platelet count; mean platelet volume (MPV); platelet distribution width (PDW); neutrophil count/lymphocyte count (N/L) ratio values obtained from the measurements and initial symptoms; demographical features; risk factors; neurological examination; and clinical follow-up were recorded. Their hematological parameters were compared with those of 106 age and sex-matched healthy individuals. RESULTS: MPV and PDW values were found similar in patient and control groups, and the platelet count was found significantly low in the control group (p = 0,028). WBC, neutrophil count, and N/L ratio were found considerably high in the patient group (p < 0.001). Lymphocyte count, however, was found significantly low in the control group (p < 0.001). No statistically significant difference was detected in WBC, neutrophil count, lymphocyte count, platelet count, N/L ratio, and MPV and PDW values between the group with sequelae and the one without sequelae. In addition, it was determined that WBC, neutrophil count, lymphocyte count, platelet count, N/L ratio, and MPV and PDW values in the univariate Cox regression analysis of the patient group had no effect on survival and disease free survival. When receiver operating characteristic curve was applied, it was observed that the area below WBC, N/L ratio curve was important in the patient group in terms of predicting acute ischemic stroke. CONCLUSION: The values of WBC, neutrophil count, and N/L ratio differ significantly from those of the control group. The WBC and N/L ratio may help for an earlier diagnosis in children with acute ischemic stroke. WBC, thrombocyte count, MPV, PDW, and N/L ratio do not constitute a risk in overall survival, disease-free survival, and sequelae development. PMID- 29209889 TI - Fusarium head blight incidence and mycotoxin accumulation in three durum wheat cultivars in relation to sowing date and density. AB - Durum wheat (Triticum turgidum var. durum) is an important crop in Europe, particularly in the Mediterranean countries. Fusarium head blight (FHB) is considered as one of the most damaging diseases, resulting in yield and quality reduction as well as contamination of grain with mycotoxins. Three winter durum wheat cultivars originating from Austria, Slovakia, and Poland were analyzed during 2012-2014 seasons for FHB incidence and Fusarium mycotoxin accumulation in harvested grain. Moreover, the effects of sowing density and delayed sowing date were evaluated in the climatic conditions of Southern Poland. Low disease severity was observed in 2011/2012 in all durum wheat cultivars analyzed, and high FHB occurrence was recorded in 2012/2013 and 2013/2014 seasons. Fusarium graminearum was the most abundant pathogen, followed by Fusarium avenaceum. Through all three seasons, cultivar Komnata was the most susceptible to FHB and to mycotoxin accumulation, while cultivars Auradur and IS Pentadur showed less symptoms. High susceptibility of cv. Komnata was reflected by the number of Fusarium isolates and elevated mycotoxin (deoxynivalenol, zearalenone, and moniliformin) content in the grain of this cultivar across all three seasons. Nivalenol was identified in the samples of cv. Komnata only. Genotype-dependent differences in FHB susceptibility were observed for the plants sown at optimal date but not at delayed sowing date. It can be hypothesized that cultivars bred in Austria and Slovakia show less susceptibility towards FHB than the cultivar from Poland because of the environmental conditions allowing for more efficient selection of breeding materials. PMID- 29209890 TI - A Longitudinal Assessment of Associations Between Women's Tendency to Pretend Orgasm, Orgasm Function, and Intercourse-Related Pain in Different Partner Relationship Constellations. AB - The aim of the present study was to investigate how women's tendency to pretend orgasm during intercourse is associated with orgasm function and intercourse related pain, using a longitudinal design where temporal stability and possible causal relationships could be modeled. The study sample consisted of 1421 Finnish women who had participated in large-scale population-based data collections conducted at two time points 7 years apart. Pretending orgasm was assessed for the past 4 weeks, and orgasm function and pain were assessed using the Female Sexual Function Index for the past 4 weeks. Associations were also computed separately in three groups of women based on relationship status. Pretending orgasm was considerably variable over time, with 34% of the women having pretended orgasm a few times or more at least at one time point, and 11% having done so at both time points. Initial bivariate correlations revealed associations between pretending orgasm and orgasm problems within and across time, whereas associations with pain were more ambiguous. However, we found no support in the path model for the leading hypotheses that pretending orgasms would predict pain or orgasm problems over a long period of time, or that pain or orgasm problems would predict pretending orgasm. The strongest predictor of future pretending in our model was previous pretending (R 2 = .14). Relationship status did not seem to affect pretending orgasm in any major way. PMID- 29209892 TI - Erratum to: N-Terminal seven-amino-acid extension simultaneously improves the pH stability, optimal temperature, thermostability and catalytic efficiency of chitosanase CsnA. AB - In Table 1 as published, some of the data were wrong. The corrected Table 1 is shown below. PMID- 29209891 TI - Renal response to anaphylaxis in anesthetized rats and isolated perfused rat kidneys: roles of nitric oxide. AB - We determined the renal responses to anaphylaxis and the effects of a nitric oxide synthesis inhibitor, L-NAME, in anesthetized rats and isolated perfused rat kidneys. After the ovalbumin antigen injection, the sensitized rats showed transient and substantial decreases in mean blood pressure and renal blood flow and an increase in renal vascular resistance. Creatinine clearance, a measure of renal function, decreased to 53% baseline at 2 h after antigen. L-NAME pretreatment significantly enhanced the antigen-induced renal vasoconstriction and renal dysfunction. Moreover, plasma creatinine levels significantly increased only in the L-NAME pretreated rats. Separately, in isolated perfused kidneys, we observed the antigen-induced renal vasoconstriction and its augmentation by L NAME. In conclusion, the renal vascular response to the antigen is vasoconstriction, which is enhanced by L-NAME in both isolated perfused rat kidneys and anesthetized rats; it is accompanied by renal dysfunction, which is also augmented by L-NAME. PMID- 29209893 TI - Immobilization of enzymes using a multifunctional fusion polypeptide. AB - OBJECTIVE: To design a fusion polypeptide combining functions of self-assembly and purification for immobilizing enzymes. RESULTS: A collagen-like polypeptide (CLP) was fused to an elastin-like polypeptide (ELP) through genetic engineering. CLP-ELP was separately fused to superoxide dismutase (SOD) and D-amino acid oxidase (DAAO). The recombinant enzymes were purified with using reversible phase transition. The interfering effect of H2O2 on the secondary structures of the recombinant enzymes was significantly reduced. The stability of the recombinant enzymes against denaturing by urea was improved. SOD-CLP-ELP exhibited a proteinaceous microporous network, and DAAO-CLP-ELP exhibited micro-clusters. The superoxide anion (*O2-) scavenging ability of SOD-CLP-ELP was 1.5 times that of SOD, and the catalytic efficiency of DAAO-CLP-ELP was 1.7 times that of DAAO. CONCLUSIONS: The advantages of the CLP-ELP-fused enzymes have been demonstrated and CLP-ELP can be used to immobilize other enzymes/proteins. PMID- 29209894 TI - Mitochondrial energy metabolism and signalling in human glioblastoma cell lines with different PTEN gene status. AB - Glioblastomas epidemiology and aggressiveness demand for a well characterization of biochemical mechanisms of the cells. The discovery of oxidative tumours related to chemoresistance is changing the prevalent view of dysfunctional mitochondria in cancer cells. Thus, glioblastomas metabolism is now an area of intense research, wherein was documented a high heterogeneity in energy metabolism and in particular in mitochondrial OxPhos. We report results gained by investigating mitochondrial OxPhos and bioenergetics, in a model of three human glioblastoma cell lines characterized by a different PTEN gene status. Functional data are analysed in relation to the expression levels of some main transcription factors and signalling proteins, which can be involved in the regulation of mitochondrial biogenesis and activity. Collectively, our observations indicate for the three cell lines a similar bioenergetic phenotype maintaining a certain degree of mitochondrial oxidative activity, with some difference for PTEN-wild type SF767 cells respect to PTEN-deleted A172 and U87MG characterized by a loss of-function point mutation of PTEN. SF767 has lower ATP content and higher ADP/ATP ratio, higher AMPK activating-phosphorylation evoking energy impairment, higher OxPhos complexes and PGC1alpha-Sirt3-p53 protein abundance, in line with a higher respiration. Finally, SF767 shows a similar mitochondrial energy supply, but higher non-phosphorylating respiration linked to dissipation of protonmotive force. Intriguingly, it is now widely accepted that a regulated mitochondrial proton leak attenuate ROS generation and in tumours may be at the base of pro survival advantage and chemoresistance. PMID- 29209895 TI - Antiviral activity and metal ion-binding properties of some 2-hydroxy-3 methoxyphenyl acylhydrazones. AB - Here we report on the results obtained from an antiviral screening, including herpes simplex virus, vaccinia virus, vesicular stomatitis virus, Coxsackie B4 virus or respiratory syncytial virus, parainfluenza-3 virus, reovirus-1 and Punta Toro virus, of three 2-hydroxy-3-methoxyphenyl acylhydrazone compounds in three cell lines (i.e. human embryonic lung fibroblast cells, human cervix carcinoma cells, and African Green monkey kidney cells). Interesting antiviral EC50 values are obtained against herpes simplex virus-1 and vaccinia virus. The biological activity of acylhydrazones is often attributed to their metal coordinating abilities, so potentiometric and microcalorimetric studies are here discussed to unravel the behavior of the three 2-hydroxy-3-methoxyphenyl compounds in solution. It is worth of note that the acylhydrazone with the higher affinity for Cu(II) ions shows the best antiviral activity against herpes simplex and vaccinia virus (EC50 ~ 1.5 uM, minimal cytotoxic concentration = 60 uM, selectivity index = 40). PMID- 29209896 TI - BRAF-Oncogene-Induced Senescence and the Role of Thyroid-Stimulating Hormone Signaling in the Progression of Papillary Thyroid Carcinoma. AB - Oncogene-induced senescence (OIS) explains the phenomenon of cellular senescence triggered by the action of oncogenes. It is a mechanism adopted by a cell to inhibit progression of benign tumors into malignancy, occurs in premalignant lesions, and is almost never present in malignant lesions. BRAF mutations occur in about 40-45% of all papillary thyroid carcinomas (PTCs) and of which 99.7% is the BRAFV600E mutation. A unique phenotype of the BRAFV600E mutation is the upregulation of the thyroid-stimulating hormone receptor (TSHR) on thyrocyte membranes. Despite the overexpression of the receptor, BRAFV600E cells undergo cell cycle arrest leading to OIS via a negative feedback signaling mechanism. A simultaneous increase in serum thyroid-stimulating hormone (TSH) in response to hypothyroidism (common in autoimmune diseases such as Hashimoto's thyroiditis) would cause senescent tumor cells to overcome OIS and proceed towards malignancy, hence showing the importance of TSH/TSHR signaling in the development of PTCs. Increase in TSH/TSHR signaling triggers an increase in levels of downstream enzymes such as manganese superoxide dismutase (MnSOD) and dual-specific phosphatase 6 (DUSP6) which eventually results in the production of oncogenic proteins such as c-Myc. Therefore, the detection of these genetic alterations as effective biomarkers for premalignant lesions of PTC is important in clinical settings and techniques such as polymerase chain reaction-mediated restriction fragment length polymorphism (PCR-RFLP) and real-time PCR can be used to detect the BRAFV600E point mutation and overexpression of TSHR, MnSOD, and DUSP6, respectively. PMID- 29209897 TI - Adaptation of couples living with a high risk of breast/ovarian cancer and the association with risk-reducing surgery. AB - Women who carry BRCA1/2 mutations have a significantly elevated risk for breast and ovarian cancer. The positive test result and subsequent decisions about risk reducing behaviors can evoke distress, anxiety and worry. Psychological adaptation, or the process of coming to terms with the implications of a health threat, is an understudied construct in BRCA1/2 carriers. Little is known about adaptation and how it relates to other aspects of living at high risk for cancer. Even less is understood about adaptation among partners of BRCA1/2 carriers, and its relationship to adaptation in high risk individuals. Women at increased risk of breast/ovarian cancer (N = 103) and a subset of partners (N = 39) completed questionnaires that assessed risk management decisions (e.g. screening, risk reducing surgery), dyadic coping, and the outcome of psychological adaptation. Women who had undergone risk-reducing mastectomy (RRM) had significantly higher levels of adaptation than those who had not (t = 5.5, p < 0.001, d = 1.10). Partners of women who had undergone RRM also had higher levels of adaptation than partners of women who had not undergone RRM (t = 3.7, p = 0.01, d = 0.96), though this association was not statistically significant when controlling for carriers' adaptation. Undergoing risk-reducing oophorectomy was not associated with adaptation for BRCA1/2 carriers or their partners. Risk-reducing mastectomy is a significant event in the process of adapting to life at risk for hereditary cancer. Further, adaptation among partners is highly related to adaptation in carriers. These results aid in the understanding of the experience of couples living with cancer risk and the medical decisions related to adaptation. PMID- 29209898 TI - Clinical application of next generation sequencing in hereditary spinocerebellar ataxia: increasing the diagnostic yield and broadening the ataxia-spasticity spectrum. A retrospective analysis. AB - One of the hardest challenges in medical genetics is to reach a molecular diagnosis in the presence of rare brain disorders. Hereditary spinocerebellar ataxia (HA), characterized by high clinical and genetic heterogeneity, is among the diseases that present this challenge. HA can have features overlapping with those of other neurological diseases, especially hereditary spastic paraplegia (HSP), as routine clinical application of next generation sequencing (NGS) has confirmed. This article reviews different NGS methods applied in heterogeneous cohorts of patients with suspected HA and suggests that exome sequencing should be considered the first-tier genetic approach in this setting. Its application lends support to the hypothesis of HA and HSP as two extremes of a continuous spectrum. PMID- 29209899 TI - When Behavioral Health Concerns Present in Pediatric Primary Care: Factors Influencing Provider Decision-Making. AB - Primary care providers (PCPs) frequently encounter behavioral health (BH) needs among their pediatric patients. However, PCPs report variable training in and comfort with BH, and questions remain about how and when PCPs address pediatric BH needs. Existing literature on PCP decisions to address pediatric BH in-office versus referring to subspecialty BH is limited and findings are mixed. Accordingly, this study sought to examine parameters and contextual factors influencing PCP decisions and practices related to BH care. Qualitative interview results with 21 PCPs in Maryland indicated that decisions about how and when to address pediatric BH concerns are influenced by the type BH service needed, patient characteristics, the availability of BH services in the community, and possibly PCPs' perceptions of BH care as a distinct subspecialty. Findings suggest that efforts to support individual PCPs' capacity to address BH within primary care must be balanced by efforts to expand the subspecialty BH workforce. PMID- 29209900 TI - Effect of Testosterone on TRPV1 Expression in a Model of Orofacial Myositis Pain in the Rat. AB - Recent clinical studies have revealed sex differences in response to transient receptor potential vanilloid 1 (TRPV1) agonist-induced pain. However, the mechanism of these differences in TRPV1-related chronic pain remains unclear. In the present study, we investigate the effects of inflammation and gonadal hormones on TRPV1 expression in trigeminal ganglia. Inflammatory pain was modeled by injecting complete Freund's adjuvant (CFA) into the left masseter muscle in rats. TRPV1 mRNA and protein levels in the trigeminal ganglia of male and female rats following CFA injection were assessed. CFA-induced changes in TRPV1 mRNA and protein expression in the trigeminal ganglia from orchidectomized (ODX) male rats and testosterone-replaced ODX rats were examined. Additionally, TRPV1 mRNA levels in the trigeminal ganglia from ovariectomized (OVX) female and ODX male rats treated with tamoxifen were assessed. We found that the levels of TRPV1 mRNA and protein in the trigeminal ganglia from female rats following CFA injection were significantly higher than in the ganglia from naive female rats. CFA-induced inflammatory hyperalgesia did not alter TRPV1 expression in the trigeminal ganglia from male rats. The TRPV1 mRNA and protein expression levels in the ODX male trigeminal ganglia were significantly upregulated on day 3 following the initiation of inflammation. However, CFA-induced inflammatory pain had no significant effect on TRPV1 mRNA or protein expression in testosterone-replaced ODX rats. Furthermore, tamoxifen was unable to inhibit the upregulation of TRPV1 expression in OVX female and ODX male rats after CFA injection. In summary, these data indicate that gender differences in TRPV1 function may be, in part, mediated by sex-dependent TRPV1 expression in sensory ganglia. Testosterone plays a key role in the inhibition of TRPV1 expression in this rat chronic inflammatory pain model. PMID- 29209901 TI - Abundant Focal Adhesion Kinase Causes Aberrant Neuronal Migration Via Its Phosphorylation at Tyr925. AB - The process of neuronal migration is precisely regulated by different molecules during corticogenesis. The FAK (focal adhesion kinase) plays a critical role in embryogenesis and is involved in cell motility through focal adhesions, but the underlying mechanisms on inordinate expression are unclear. To investigate the effect of FAK overexpression on neuronal migration spatiotemporally, mice FAK was transfected into the neurons in vivo by electroporation. Results showed that exogenous FAK distributed in the cytoplasm (in vivo) and co-localized with vinculin (in vitro) and induced aberrant neuronal migration via phosphorylation of FAK at Tyr925 during cerebral cortex development. Meanwhile, FAK Y925F mutant also induced aberrant neuronal migration like inordinate FAK/GFP phenotype. All these results implied that FAK-induced abnormal phenotype depended on phosphorylation of FAK at Tyr925, and this demonstrated that the overexpression of FAK impaired neuronal migration through its phosphorylation and activity of FAK during corticogenesis. PMID- 29209902 TI - Dehydropropylpantothenamide isolated by a co-culture of Nocardia tenerifensis IFM 10554T in the presence of animal cells. AB - A new amide, named dehydropropylpantothenamide (1), was obtained by a co-culture of Nocardia tenerifensis IFM 10554T in the presence of the mouse macrophage-like cell line J774.1 in modified Czapek-Dox (mCD) medium. Compound 1 was synthesized from D-pantothenic acid calcium salt in 6 steps. The absolute configuration of natural compound 1 was determined by comparisons of the optical rotation and CD spectra of synthetic 1. In the present study, a new method for producing secondary metabolites was demonstrated using a "co-culture" in which the genus Nocardia was cultured in the presence of an animal cell line. PMID- 29209903 TI - Influence of a Co-culture of Streptococcus thermophilus and Lactobacillus casei on the Proteolysis and ACE-Inhibitory Activity of a Beverage Based on Reconstituted Goat Whey Powder. AB - The potential for reusability of whey is of concern due to its substantial nutritional value and, second, in view of the need to reduce environmental impact. The use of goat whey powder in the production of a fermented dairy beverage using a Lactobacillus casei culture as adjunct shows a good prospect of a food product with hypotensive activity. This study investigated the microbial viability, proteolysis and angiotensin-converting enzyme (ACE) inhibitory activity of a fermented dairy beverage produced with goat whey powder and a probiotic culture of L. casei BGP93 co-cultured with Streptococcus thermophilus TA-40. The probiotic beverage exhibited no significant difference from the control (absence of L. casei) with regard to titratable acidity, S. thermophilus viability and proteolysis degree during 21 days of storage (P > 0.05). During this period, the beverage maintained L. casei at appropriate levels (> 7 log cfu ml-1), thereby qualifying as a potential probiotic product. Although both control and probiotic beverages exhibited ACE inhibitory activity, as a result of proteolysis of whey proteins during fermentation, significant increased ACE inhibitory activity was found for the beverage with added probiotic L. casei (P < 0.05). The probiotic beverage has potency as a functional food candidate to be included in a dietary strategy aiming at prevention and control of hypertension. PMID- 29209905 TI - Primary central nervous system lymphoma in an immunocompetent patient: an unusual case of prolonged response to steroids. PMID- 29209904 TI - Association of variants in microRNA with Parkinson's disease in Chinese Han population. AB - MicroRNAs (miRNAs) are short RNAs regulating gene expression and may participate in pathogenesis of various diseases. Recently, rs897984:T > C in miR-4519 and rs11651671:A > G in miR-548at-5p have been reported that associate with Parkinson's disease (PD). However, to our knowledge, there is no further evidence regarding this finding. Herein, we performed a case-control study of 546 PD patients and 550 healthy controls to genotype the two single-nucleotide polymorphisms (SNPs) to assess their associations with PD. The results showed that rs897984 (OR value for C allele = 0.851, 95% CI 0.603-1.201, P = 0.358) in miR-4519 and rs11651671 (OR value for G allele = 1.405, 95% CI 0.927-2.131, P = 0.107) in miR-548at-5p were not associated to PD, which suggest they may not contribute to the gene susceptibility of PD at least in Chinese Han population. More evidences from larger sample size and other ethnic populations are still needed to illustrate the association between miRNAs and PD. PMID- 29209906 TI - The fourth annual BRDS on genome editing and silencing for precision medicines. AB - Precision medicine is promising for treating human diseases, as it focuses on tailoring drugs to a patient's genes, environment, and lifestyle. The need for personalized medicines has opened the doors for turning nucleic acids into therapeutics. Although gene therapy has the potential to treat and cure genetic and acquired diseases, it needs to overcome certain obstacles before creating the overall prescription drugs. Recent advancement in the life science has helped to understand the effective manipulation and delivery of genome-engineering tools better. The use of sequence-specific nucleases allows genetic changes in human cells to be easily made with higher efficiency and precision than before. Nanotechnology has made rapid advancement in the field of drug delivery, but the delivery of nucleic acids presents unique challenges. Also, designing efficient and short time-consuming genome-editing tools with negligible off-target effects are in high demand for precision medicine. In the fourth annual Biopharmaceutical Research and Development Symposium (BRDS) held at the University of Nebraska Medical Center (UNMC) on September 7-8, 2017, we covered different facets of developing tools for precision medicine for therapeutic and diagnosis of genetic disorders. PMID- 29209907 TI - Scientific white paper on concentration-QTc modeling. AB - The International Council for Harmonisation revised the E14 guideline through the questions and answers process to allow concentration-QTc (C-QTc) modeling to be used as the primary analysis for assessing the QTc interval prolongation risk of new drugs. A well-designed and conducted QTc assessment based on C-QTc modeling in early phase 1 studies can be an alternative approach to a thorough QT study for some drugs to reliably exclude clinically relevant QTc effects. This white paper provides recommendations on how to plan and conduct a definitive QTc assessment of a drug using C-QTc modeling in early phase clinical pharmacology and thorough QT studies. Topics included are: important study design features in a phase 1 study; modeling objectives and approach; exploratory plots; the pre specified linear mixed effects model; general principles for model development and evaluation; and expectations for modeling analysis plans and reports. The recommendations are based on current best modeling practices, scientific literature and personal experiences of the authors. These recommendations are expected to evolve as their implementation during drug development provides additional data and with advances in analytical methodology. PMID- 29209908 TI - Purification and Characterization of Exo-Inulinase from Paenibacillus sp. d9 Strain. AB - This study intended to purify and characterise exo-inulinase of diesel-degrading Paenibacillus sp. D9. The whole genome sequencing of Paenibacillus sp. D9 revealed to possess the sacC gene that is encoded as exo-inulinase/levanase. This isolate was capable of producing a maximum of 50.9 IU/mL of exo-inulinase activity within 3 days at 30 degrees C, 200 rpm and pH of 7.0 on minimal salt medium agar supplemented with 1% (w/v) inulin. An exo-inulinase of 58.5 kDa was purified using ammonium sulphate precipitation, HiTrap QFF column and MMC column chromatographies with a specific activity of 4333 IU/mg, 7.1% recovery and a 4.3 fold increase in purity. The purified D9 exo-inulinase had temperature and pH optimum at 40 degrees C and pH 4.0, respectively, with the Michaelis constant of 5.5 mM and a maximal velocity of 476.2 IU/mg, respectively. Catalytic constant, k cat was calculated to be 42.6 s-1 with a catalytic efficiency (k cat /K m ) of 7.6 s-1 mM-1. The presence of Ca2+ enhanced the activity of D9 exo-inulinase while Hg2+ completely inhibited the activity, other compounds such as Fe3+ and Cu2+ had an inhibitory effect. The results of amino acid alignment and the complete degradation of inulin into fructose by the purified enzyme confirmed that inulinase from Paenibacillus sp. D9 is an exo-form. The phylogenetic tree based on the protein sequences indicates that bacterial exo-inulinases possess a common ancestry. PMID- 29209909 TI - Biochemical and Biophysical Characterisation of Higher Oligomeric Structure of Rat Nucleosome Assembly Protein 1. AB - Nucleosome assembly protein 1 (NAP1) is a histone chaperone that exchanges histone H2A-H2B dimer from chromatin templates. Studies with yeast NAP1 (yNAP1) have revealed its existence as multiple oligomeric species in solution. Here, rat NAP1 (rNAP1), which is 98% identical to the human NAP1 (hNAP1) was used as a model to characterize the oligomeric structures of this protein in higher eukaryotes. Gel filtration chromatography and Dynamic light scattering of recombinant rNAP1 indicated that the protein exists as a complex mixture of multimeric species even at 500 mM ionic strength. The solution-state complexity remains unchanged even at higher ionic strengths. Equilibrium unfolding (DeltaG 14.6 kcal mol- 1) shows that rNAP1, both dimeric and oligomeric, follow the two state model of unfolding with no detectable intermediates. Homology modelling suggests that rat and yeast NAP1 share an overall similar structure with conserved domains. However, dissimilar substitutions like threonine and lysine with glycine in the beta-hairpin involved in oligomerization, possibly leads to the observed differences in the oligomerization propensity of the two proteins. Molecular dynamic simulation (MDS) of the two structures also revealed that rNAP1 dimer is more stable owing to the extensive hydrogen bonding in comparison to yNAP1. Further, in vitro kinase assay showed that the phosphorylation of rNAP1 favors oligomerization with no effect on its histone binding capacity. Our results clearly suggest that there are differences in the in-solution behavior of rNAP1 compared to yNAP1 which may have in vivo functional implications for the regulation of these complexes during chromatin assembly and rearrangement. PMID- 29209910 TI - Efficacy and Safety of Nintedanib for the Treatment of Idiopathic Pulmonary Fibrosis: An Update. AB - Idiopathic pulmonary fibrosis is a fatal form of progressive fibrosing interstitial pneumonia with limited treatment options. In recent years, its management has been transformed with the approval of two new antifibrotic drugs: nintedanib and pirfenidone. Nintedanib is a tyrosine kinase inhibitor that efficiently slows idiopathic pulmonary fibrosis progression and has an acceptable tolerability profile. This article reviews new available evidence on the long term efficacy and safety of nintedanib in patients with idiopathic pulmonary fibrosis. Data from extension trials indicate that nintedanib continues to slow disease progression for up to 3 years and is similarly effective in patients with mild and severe impairment of lung function. Treatment with nintedanib reduces the risk of acute exacerbations, and a combined analysis of data from clinical trials of nintedanib shows a trend towards a reduction in mortality. Nintedanib is well tolerated and has been shown to be safe for up to 51 months. Gastrointestinal events, mainly diarrhoea, are the main adverse events caused by the treatment. Currently available data confirm its safety profile in real-life clinical settings, with no new safety concerns identified in patients with comorbidities. PMID- 29209911 TI - MALDI Mass Spectrometry Imaging for Evaluation of Therapeutics in Colorectal Tumor Organoids. AB - Patient-derived colorectal tumor organoids (CTOs) closely recapitulate the complex morphological, phenotypic, and genetic features observed in in vivo tumors. Therefore, evaluation of drug distribution and metabolism in this model system can provide valuable information to predict the clinical outcome of a therapeutic response in individual patients. In this report, we applied matrix assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) to examine the spatial distribution of the drug irinotecan and its metabolites in CTOs from two patients. Irinotecan is a prodrug and is often prescribed as part of therapeutic regimes for patients with advanced colorectal cancer. Irinotecan shows a time-dependent and concentration-dependent permeability and metabolism in the CTOs. More interestingly, the active metabolite SN-38 does not co-localize well with the parent drug irinotecan and the inactive metabolite SN-38G. The phenotypic effect of irinotecan metabolism was also confirmed by a viability study showing significantly reduced proliferation in the drug treated CTOs. MALDI MSI can be used to investigate various pharmaceutical compounds in CTOs derived from different patients. By analyzing multiple CTOs from a patient, this method could be used to predict patient-specific drug responses and help to improve personalized dosing regimens. Graphical Abstract ?. PMID- 29209912 TI - Restoration of SMN expression in mesenchymal stem cells derived from gene targeted patient-specific iPSCs. AB - Spinal muscular atrophy (SMA) is primarily a neurodegenerative disease caused by the homozygous deletion of the survival motor neuron 1 (SMN1) gene, thereby reducing SMN protein expression. Mesenchymal stem cells (MSCs) have been implicated in the treatment of SMA. In the present study, we overexpressed exogenous SMN1 at the ribosomal DNA (rDNA) locus of induced pluripotent stem cells (iPSCs) generated from a SMA patient using an rDNA-targeting vector. The gene-targeted patient iPSCs differentiated into MSCs (SMN1-MSCs). A 2.1-fold higher expression level of SMN protein was detected in SMN1-MSCs than that detected in MSCs derived from patient iPSCs, and the results of the immunofluorescence analysis showed no difference in the quantity of SMN nuclear structures (gems) between SMN1-MSCs and MSCs derived from normal human iPSCs (h MSCs). These findings provide a novel strategy for obtaining gene-targeted MSCs for potential clinical applications in autologous cell-based therapy. PMID- 29209913 TI - The Influence of Sex Information on Gender Word Processing. AB - Three different tasks (word repetition, lexical decision, and gender decision) were designed to explore the impact of the sex clues (sex of the speaker, sex of the addressee) and the type of gender (semantic, arbitrary) on the processing of isolated Spanish gendered words. The findings showed that the grammatical gender feature was accessed when no mandatory attentional focus was required. In addition, the results indicated that the participants organize information according to their own sex role, which provides more salience to the words that match in grammatical gender with their own sex role representation, even when the gender assignment is arbitrary. Finally, the sex of the speaker biased the lexical access and the grammatical gender selection, serving as a semantic prime when the two dimensions have a congruent relationship. Furthermore, the masculine form serves as the generic gender representing both male and female figures. PMID- 29209914 TI - A Mathematical Model Supports a Key Role for Ae4 (Slc4a9) in Salivary Gland Secretion. AB - We develop a mathematical model of a salivary gland acinar cell with the objective of investigating the role of two [Formula: see text] exchangers from the solute carrier family 4 (Slc4), Ae2 (Slc4a2) and Ae4 (Slc4a9), in fluid secretion. Water transport in this type of cell is predominantly driven by [Formula: see text] movement. Here, a basolateral [Formula: see text] adenosine triphosphatase pump (NaK-ATPase) and a [Formula: see text]-[Formula: see text] [Formula: see text] cotransporter (Nkcc1) are primarily responsible for concentrating the intracellular space with [Formula: see text] well above its equilibrium potential. Gustatory and olfactory stimuli induce the release of [Formula: see text] ions from the internal stores of acinar cells, which triggers saliva secretion. [Formula: see text]-dependent [Formula: see text] and [Formula: see text] channels promote ion secretion into the luminal space, thus creating an osmotic gradient that promotes water movement in the secretory direction. The current model for saliva secretion proposes that [Formula: see text] anion exchangers (Ae), coupled with a basolateral [Formula: see text] ([Formula: see text]) (Nhe1) antiporter, regulate intracellular pH and act as a secondary [Formula: see text] uptake mechanism (Nauntofte in Am J Physiol Gastrointest Liver Physiol 263(6):G823-G837, 1992; Melvin et al. in Annu Rev Physiol 67:445 469, 2005. https://doi.org/10.1146/annurev.physiol.67.041703.084745 ). Recent studies demonstrated that Ae4 deficient mice exhibit an approximate [Formula: see text] decrease in gland salivation (Pena-Munzenmayer et al. in J Biol Chem 290(17):10677-10688, 2015). Surprisingly, the same study revealed that absence of Ae2 does not impair salivation, as previously suggested. These results seem to indicate that the Ae4 may be responsible for the majority of the secondary [Formula: see text] uptake and thus a key mechanism for saliva secretion. Here, by using 'in-silico' Ae2 and Ae4 knockout simulations, we produced mathematical support for such controversial findings. Our results suggest that the exchanger's cotransport of monovalent cations is likely to be important in establishing the osmotic gradient necessary for optimal transepithelial fluid movement. PMID- 29209915 TI - Classification of early stage non-small cell lung cancers on computed tomographic images into histological types using radiomic features: interobserver delineation variability analysis. AB - Radiomics, which involves the extraction of large numbers of quantitative features from medical images, has attracted attention in cancer research. In radiomics analysis, tumor segmentation is a crucial step. In this study, we evaluated the potential application of radiomics for predicting the histology of early stage non-small cell lung cancer (NSCLC) by analyzing interobserver variability in tumor delineation. Forty patient datasets were included in this study, 21 involving adenocarcinomas and 19 involving squamous cell carcinomas. All patients underwent stereotactic body radiotherapy treatment. In total, 476 features were extracted from each dataset, representing treatment planning, computed tomography images, and gross tumor volume (GTV). The definition of GTV can significantly affect the histology prediction. Therefore, in the present study, the effect of interobserver tumor delineation variability on radiomic features was evaluated by preparing 4 volumes of interest (VOIs) for each patient, as follows: the original GTV (which was delineated at treatment planning); two GTVs delineated retrospectively by radiation oncologists; and a semi-automatic GTV contoured by a medical physicist. Radiomic features extracted from each VOI were then analyzed using a naive Bayesian model. Area-under-the curve (AUC) analysis showed that interobserver variability in delineation is a significant factor in radiomics performance. Nevertheless, with 8 selected features, AUC values averaged over the VOIs were high (0.725 +/- 0.070). The present study indicated that radiomics has potential for predicting early stage NSCLC histology despite variability in delineation. The high prediction accuracy implies that noninvasive histology evaluation by radiomics is a promising clinical application. PMID- 29209916 TI - Carcinogens that induce the A:T > T:A nucleotide substitutions in the genome. AB - Recently, Ng et al. reported that the A:T > T:A substitutions, proposed to be a signature of aristolochic acid (AA) exposure, were detected in 76/98 (78%) of patients with hepatocellular carcinoma (HCC) from the Taiwan Province of China, and 47% to 1.7% of HCCs from the Chinese mainland and other countries harbored the nucleotide changes. However, other carcinogens, e.g., tobacco carcinogens 4 aminobiphenyl and 1,3-butadiene, air toxic vinyl chloride and its reactive metabolites chloroethylene oxide, melphalan and chlorambucil, also cause this signature in the genome. Since tobacco smoke is a worldwide public health threat and vinyl chloride distributes globally and is an air pollutant in Taiwan Province, the estimation of the patients' exposure history is the key to determine the "culprit" of the A:T > T:A mutations. Apparently, without estimation of the patients' exposure history, the conclusion of Ng et al. is unpersuasive and misleading. PMID- 29209917 TI - Cluster analysis for syndromes of real-world coronary heart disease with angina pectoris. AB - Syndromes of coronary heart disease with angina pectoris were analyzed to provide guidance for clinical practice and to improve accuracy of traditional Chinese medicine (TCM) diagnoses and efficacy of TCM treatment. A total of 860 cases with coronary heart disease with angina pectoris were selected from TCM Clinical Research Information Sharing System for TCM clinics and research. Syndromes were automatically extracted with the cluster method and were analyzed to provide objective evidence for clinical studies. Final syndrome classifications were recognized and confirmed by clinical experts. Popular syndromes included Qi and blood deficiency, blood stasis and obstruction collaterals, liver depression and spleen deficiency, and Qi stagnation and blood stasis. Syndromes Qi and blood deficiency and blood stasis and obstruction collaterals accounted for 28.61% of total syndromes, whereas liver depression and spleen deficiency and Qi stagnation and blood stasis accounted for 26.44%. The main syndrome elements comprised Qi deficiency, blood deficiency, blood stasis, and Qi stagnation. PMID- 29209918 TI - Molecular classification and precision therapy of cancer: immune checkpoint inhibitors. AB - On May 23, 2017, the US Food and Drug Administration (FDA) approved a treatment for cancer patients with positive microsatellite instability-high (MSI-H) markers or mismatch repair deficient (dMMR) markers. This approach is the first approved tumor treatment using a common biomarker rather than specified tumor locations in the body. FDA previously approved Keytruda for treatment of several types of malignancies, such as metastatic melanoma, metastatic non-small-cell lung cancer, recurrent or metastatic head and neck cancer, refractory Hodgkin lymphoma, and urothelial carcinoma, all of which carry positive programmed death-1/programmed death-ligand 1 biomarkers. Therefore, indications of Keytruda significantly expanded. Several types of malignancies are disclosed by MSI-H status due to dMMR and characterized by increased neoantigen load, which elicits intense host immune response in tumor microenvironment, including portions of colorectal and gastric carcinomas. Currently, biomarker-based patient selection remains a challenge. Pathologists play important roles in evaluating histology and biomarker results and establishing detection methods. Taking gastric cancer as an example, its molecular classification is built on genome abnormalities, but it lacks acceptable clinical characteristics. Pathologists are expected to act as "genetic interpreters" or "genetic translators" and build a link between molecular subtypes with tumor histological features. Subsequently, by using their findings, oncologists will carry out targeted therapy based on molecular classification. PMID- 29209919 TI - Association between CYP2C19 extensive metabolizer phenotype and childhood anti reflux surgery following failed proton pump inhibitor medication treatment. AB - : When pediatric gastroesophageal reflux disease (GERD) that is refractory to proton pump inhibitor (PPI) medication treatment is identified in clinical practice and anti-reflux surgery (ARS) is being considered, genetic factors related to PPI metabolism by the CYP2C19 enzyme are currently not part of the clinical decision-making process. Our objective was to test the hypothesis that the distribution of the extensive metabolizer (EM) phenotypes among children undergoing ARS after failing PPI therapy would differ compared to controls (children with no history of ARS). We conducted a case-control study between children across the Nemours Health System from 2000 to 2014 who received ARS after failing PPI therapy and a control group comprised of healthy children. Our results demonstrated 2.9% of ARSs vs 20.8% of controls were poor metabolizers (PMs), 55.9% of ARSs vs 49.0% of controls were normal metabolizers (NMs), and 41.2% of ARSs vs 30.2% of controls were EMs; p = 0.035. Next, we performed a multiple-regression model to account for race as a potential confounding variable and the EM group was significantly associated with ARS compared to controls (OR 9.78, CI 1.25-76.55, p < 0.03). CONCLUSION: Among children with medically refractory GERD despite PPI therapy, carriage of CYP2C19*17 allele corresponding to the EM phenotype was associated with ARS. Prospective comparative personalized medicine effectiveness studies are needed to determine if CYP2C19 genotype-guided dosing improves response to PPI therapy without a corresponding increase in adverse effects in children. What is known: * Anti-reflux surgery (ARS) is one of the most common surgical procedures performed in children for the indication of refractory gastroesophageal reflux disease (GERD). What is new: * Individualizing PPI medication dosing based on CYP2C19 diplotype may avoid GERD treatment failures and reduce the need for anti-reflux surgery (ARS). PMID- 29209920 TI - A Pilot Program Integrating Hepatitis B Virus (HBV) Screening into an Outpatient Endoscopy Unit Improves HBV Screening Among an Ethnically Diverse Safety-Net Hospital. AB - BACKGROUND: Safety-net hospitals are enriched in ethnic minorities and provide opportunities for high-impact hepatitis B virus (HBV) screening. AIM: We aim to evaluate the impact of a pilot program integrating HBV screening into outpatient endoscopy among urban safety-net populations. METHODS: From July 2015 to May 2017, consecutive adults undergoing outpatient endoscopy were prospectively assessed for HBV screening eligibility using US Preventative Services Task Force guidelines. Rates of prior HBV screening were assessed, and those eligible but not screened were offered HBV testing. Multivariate logistic regression models evaluated predictors of test acceptance among eligible patients. RESULTS: Among 1557 patients (47.1% male, 69.4% foreign born), 65.1% were eligible for HBV screening, among which 24.5% received prior screening. In our pilot screening program in the endoscopy unit, 91.4% (n = 855) of eligible patients accepted HBV testing. However, only 55.3% (n = 415) of those that accepted actually completed HBV testing. While there was a trend toward higher rates of test acceptance among African-Americans compared to non-Hispanic whites (OR 3.31, 95% CI 0.96-11.38, p = 0.06), no other sex-specific or race/ethnicity-specific disparities in HBV test acceptance were observed. Among those who completed HBV testing, we identified 10 new patients with chronic HBV (2.4% prevalence). Only 24.5% of eligible patients received prior HBV screening among our cohort. CONCLUSIONS: Our pilot program integrating HBV screening into outpatient endoscopy successfully tested an additional 415 patients, improving overall HBV screening from 24.5 to 75.6%. Integrating HBV testing into non-traditional settings has potential to bridge the gap in HBV screening among safety-net systems. PMID- 29209921 TI - Fourteen-Year Anti-TNF Therapy in Crohn's Disease Patients: Clinical Characteristics and Predictive Factors. AB - BACKGROUND: Crohn's disease (CD) is an intractable disease that requires long term treatment. Tumor necrosis factor (TNF) inhibitors have strong efficacy and are widely used for CD treatment. However, a loss of response is one of the issues in long-term TNF therapy. To identify the factors affecting the efficacy of long-term CD treatment with TNF inhibitors, we conducted a retrospective study of treatment outcomes and clinical factors using clinical data over a 14-year period. METHODS: Clinical characteristics and factors for surgery, hospitalization, and TNF inhibitor treatment discontinuation were examined in 219 biologic-naive patients who were treated with TNF inhibitors at our hospital before October 2014. RESULTS: Treatment persistence rates with no hospitalization, surgery, or dose escalation were 60.7, 25.9, and 17.3% for 1, 5, and 10 years, respectively; these rates did not differ between infliximab (IFX) and adalimumab. In patients receiving IFX dose escalation, 1- and 5-year persistence rates were approximately 90.4 and 65.1%, respectively. Previous surgery (OR = 1.45, P = 0.043) was identified as a risk factor for surgery, male sex (OR = 0.70, P = 0.044) and previous surgery (OR = 1.51, P = 0.03) were risk factors for hospitalization, and perianal fistula (OR = 1.39, P = 0.049) was the risk factor for TNF inhibitor treatment discontinuation. CONCLUSIONS: The durability of anti-TNF therapy in CD patients remains a problem, and treatment optimization that includes dose escalation should be carefully examined depending on patient characteristics and the timing of optimization. PMID- 29209922 TI - Altered brain morphometry in 7-year old HIV-infected children on early ART. AB - Even with the increased roll out of combination antiretroviral therapy (cART), paediatric HIV infection is associated with neurodevelopmental delays and neurocognitive deficits that may be accompanied by alterations in brain structure. Few neuroimaging studies have been done in children initiating ART before 2 years of age, and even fewer in children within the critical stage of brain development between 5 and 11 years. We hypothesized that early ART would limit HIV-related brain morphometric deficits at age 7. Study participants were 7 year old HIV-infected (HIV+) children from the Children with HIV Early Antiretroviral Therapy (CHER) trial whose viral loads were supressed at a young age, and age-matched uninfected controls. We used structural magnetic resonance imaging (MRI) and FreeSurfer ( http://www.freesurfer.net/ ) software to investigate effects of HIV and age at ART initiation on cortical thickness, gyrification and regional brain volumes. HIV+ children showed reduced gyrification compared to controls in bilateral medial parietal regions, as well as reduced volumes of the right putamen, left hippocampus, and global white and gray matter and thicker cortex in small lateral occipital region. Earlier ART initiation was associated with lower gyrification and thicker cortex in medial frontal regions. Although early ART appears to preserve cortical thickness and volumes of certain brain structures, HIV infection is nevertheless associated with reduced gyrification in the parietal cortex, and lower putamen and hippocampus volumes. Our results indicate that in early childhood gyrification is more sensitive than cortical thickness to timing of ART initiation. Future work will clarify the implications of these morphometric effects for neuropsychological function. PMID- 29209923 TI - Plasma microparticles in Alzheimer's disease: The role of vascular dysfunction. AB - Cerebrovascular lesions, a potent stimulus for endothelial cell activation, trigger cognitive and degenerative changes and contribute to pathology of Alzheimer's disease (AD). Circulating microparticles (MPs) are actively involved in the pathogenesis of AD and cerebrovascular diseases, which share common vascular risk factors. We examined the plasma changes of endothelial MPs (EMPs) and platelet MPs (PMPs) in AD patients with vascular risk factors. The plasma Annexin V+ CD 41a- CD144+ EMPs and Annexin V+ CD41a+ CD144- PMPs of 37 patients with AD, with or without vascular risk factors (hypertension, diabetes, dyslipidemia, stroke, coronary artery disease, and smoking), and 10 age-matched controls were quantified by flow cytometry. Pearson correlation analysis used to evaluate the linear relationship between variables. Significantly higher plasma levels of EMPs were observed in AD patients with vascular risk factors as compared to the patients without vascular risk factors [Mean Difference (MD): 2587.80, 95% confidence interval (CI) 770.30-4404.80], and control subjects (MD: 4990.60, 95% CI, 3054.40-6926.79). Significant correlations were found between circulating EMPs, total MPs, and PMPs. There were no significant correlations between plasma levels of EMPs/ PMPs, and cognitive decline indices. Circulating EMP levels are influenced by AD disease status, and plasma levels of MPs and PMPs are associated with vascular risk factors in patients with AD. EMP phenotyping, as cellular biomarkers of vascular injury/dysfunction, and their effects on cerebral perfusion, and cognitive decline should be further investigated. Graphical abstract Vascular endothelial cell activation results in release of endothelial-derived microparticles (EMPs), which contributing to vascular dysfunction and cognitive decline. PMID- 29209925 TI - Preventing hypotension-induced nausea and vomiting during spinal anesthesia for Cesarean delivery in obese parturients: a small solution for a big problem? PMID- 29209926 TI - A randomized trial of phenylephrine infusion versus bolus dosing for nausea and vomiting during Cesarean delivery in obese women. AB - PURPOSE: Hypotension is common after spinal anesthesia for Cesarean delivery. It is associated with nausea, vomiting, and fetal acidosis. Previous research on phenylephrine excluded obese subjects. We compared the incidence of intraoperative nausea and vomiting (IONV) in obese patients who received a prophylactic phenylephrine infusion vs those who received bolus dosing for the treatment of spinal-induced hypotension. METHODS: In this multicentre, double blinded randomized controlled trial, 160 obese women undergoing elective Cesarean delivery under spinal anesthesia were randomized to receive a prophylactic phenylephrine infusion initiated at 50 MUg.min-1 (and titrated according to a predefined algorithm) or 100 MUg phenylephrine boluses to treat hypotension. Maternal systolic blood pressure was maintained within 20% of baseline. The primary study outcome was the incidence of IONV. RESULTS: Intraoperative nausea and vomiting were significantly reduced in the infusion group compared to the bolus group (46% vs 75%, respectively; relative risk [RR], 0.61; 95% confidence interval [CI], 0.47 to 0.80; P < 0.001). This was associated with significantly reduced need for intraoperative rescue antiemetics (26% vs 42%, respectively; RR, 0.62; 95% CI, 0.40 to 0.97; P = 0.04), but no difference in the incidence of vomiting. Postoperative vomiting at two hours was reduced in the infusion group (11% vs 25%; RR, 0.44; 95% CI, 0.21 to 0.90; P = 0.02);however, there were no differences in the incidence or severity of postoperative nausea, need for rescue antiemetics at two hours and 24 hr, or the incidence of postoperative vomiting at 24 hr. CONCLUSION: In obese women undergoing Cesarean delivery with spinal anesthesia, prophylactic phenylephrine infusion was associated with less intraoperative nausea, less need for rescue antiemetics, and reduced early postoperative vomiting. TRIAL REGISTRATION: www.clinicaltrials.gov (NCT01481740). Registered 22 July 2011. PMID- 29209924 TI - Treatment of sporadic Burkitt lymphoma in adults, a retrospective comparison of four treatment regimens. AB - Burkitt lymphoma is an aggressive B cell malignancy accounting for 1-2% of all adult lymphomas. Treatment with dose-intensive, multi-agent chemotherapy is effective but associated with considerable toxicity. In this observational study, we compared real-world efficacy, toxicity, and costs of four frequently employed treatment strategies for Burkitt lymphoma: the Lymphome Malins B (LMB), the Berlin-Frankfurt-Munster (BFM), the HOVON, and the CODOX-M/IVAC regimens. We collected data from 147 adult patients treated in eight referral centers. Following central pathology assessment, 105 of these cases were accepted as Burkitt lymphoma, resulting in the following treatment groups: LMB 36 patients, BFM 19 patients, HOVON 29 patients, and CODOX-M/IVAC 21 patients (median age 39 years, range 14-74; mean duration of follow-up 47 months). There was no significant difference between age, sex ratio, disease stage, or percentage HIV positive patients between the treatment groups. Five-year progression-free survival (69%, p = 0.966) and 5-year overall survival (69%, p = 0.981) were comparable for all treatment groups. Treatment-related toxicity was also comparable with only hepatotoxicity seen more frequently in the CODOX/M-IVAC group (p = 0.004). Costs were determined by the number of rituximab gifts and the number of inpatients days. Overall, CODOX-M/IVAC had the most beneficial profile with regards to costs, treatment duration, and percentage of patients completing planned treatment. We conclude that the four treatment protocols for Burkitt lymphoma yield nearly identical results with regards to efficacy and safety but differ in treatment duration and costs. These differences may help guide future choice of treatment. PMID- 29209927 TI - Hydroxocobalamin for the treatment of cardiac surgery-associated vasoplegia: a case series. AB - PURPOSE: Vasoplegia is a clinical syndrome marked by severe arteriolar vasodilatation, hypotension, and low systemic vascular resistance refractory to multiple vasopressor treatment. We report our experience with hydroxocobalamin (B12) infusion as a potential rescue adjunct for refractory vasoplegia during cardiopulmonary bypass (CPB). METHODS: We performed a retrospective chart review of 33 patients undergoing cardiac surgery between 1 January 2013 and 31 December 2015, who were given intravenous B12 for refractory hypotension during, or immediately following, CPB. We assessed mean arterial pressure (MAP) responses using semi-parametric group-based models (trajectory analysis). Vasopressor use was evaluated by norepinephrine-equivalent rates calculated five minutes prior, and up to 60 min following, B12 administration. RESULTS: Patients were mostly male (82%), had a mean (SD) age of 53 (13) yr, and median (IQR) EuroSCORE mortality index of 9 [4-40]. Four patterns of MAP responses to B12 were identified. In Group 1 ("poor responders") nine of 33 patients (27%) had the highest median [IQR] mortality risk (EuroSCORE 40 [4-52]), lowest mean pre-B12 MAP (50 mmHg), and minimal hemodynamic response in spite of continued vasopressor support. In contrast, Group 2 "responders" (8/33, 24%) showed a brisk MAP response (> 15 mmHg) to B12, sustained for > 60 min post-infusion, with 50% vasopressor reduction. Groups 3 and 4 had the lowest median mortality risk (EuroSCORE 8) and highest pre-B12 MAP (72 mmHg). Although Group 3 patients ("sustainers"; 9/33, 27%) showed a sustained MAP improvement, those in Group 4 ("rebounders"; 7/33, 21%) were characterized by hypertensive overshoot followed by a decrease in MAP. CONCLUSION: These data indicate considerable heterogeneity in patient response to B12, potentially dependent on both patient preoperative condition and non-standardized time of administration. B12 may provide a useful alternative therapy for refractory hypotension and vasoplegia, but controlled clinical trials to assess efficacy are needed. PMID- 29209928 TI - Subclavian and axillary vessel anatomy: a prospective observational ultrasound study. AB - PURPOSE: The primary objective of this study was to define the ultrasound-derived anatomy of the axillary/subclavian vessels. As a secondary objective, we evaluated the relationship between the vascular anatomy and demographic, anthropometric, and hemodynamic data of patients. METHODS: This observational anatomical study used bedside ultrasound with 150 cardiac surgical patients in the operating room. Bilateral axillary and subclavian anatomy was determined using a high-frequency ultrasound probe with fixed reference points. Images were recorded and analyzed, and correlation with demographic, anthropometric, and hemodynamic data was performed. RESULTS: The images were adequate to evaluate potential anatomical variations in 97.4% of patients with a body mass index as high as 46.4 kg.m-2. The mean (standard deviation) diameter of the axillary vein was 1.2 (0.3) cm on the right side and 1.1 (0.2) cm on the left side. The dimensions of the axillary vein were larger on the right side in 69% of patients. The vein was located directly over the artery in the mid-clavicular view in 67% of the patients and in lateral-clavicular view in only 7% of the patients. As we moved the probe laterally, the vein was lateralized in relation to the artery in 89% of patients. There was no significant correlation between the hemodynamic data and vessel size, although direct correlation was found between body mass index and the depth of the vessel (P < 0.001). The axillary vein area was smaller in females than in males (P < 0.002), and in 4% of patients, the axillary vein was in an aberrant position. CONCLUSIONS: In patients undergoing cardiac surgery, axillary vessel anatomy varied considerably, and the patients' hemodynamics could not predict the size of the axillary vessels. Only the patients' weight correlated moderately with the depth of the vein. PMID- 29209929 TI - Statistical reporting and table construction guidelines for publication in the Canadian Journal of Anesthesia. PMID- 29209930 TI - A Psychometric Validation of the Employers' Stigmatizing Attitudes Toward Cancer Survivors Scale. AB - Purpose The aim of this study was to evaluate the measurement structure of the Employers' Stigmatizing Attitudes Toward Cancer Survivors Scale (ESATPD-Cancer Scale). Methods A quantitative descriptive design using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). One hundred and seventy seven Taiwanese human resources (HR) professionals participated in this study. Results EFA revealed a one-factor measurement structure accounting for 50% of the total variance. We conducted a CFA to confirm the one-factor structure; after two pairs of error terms were correlated, the re-specified model was found to fit the data adequately: chi2/df = 1.69, GFI = 0.97, CFI = 0.98, and RMSEA = 0.06. Internal consistency reliability coefficient (Cronbach's alpha) for the ESATPD Cancer Scale was computed to be 0.80. In addition, stigmatizing attitudes were found to be negatively associated with HR professionals' willingness to hire cancer survivors. Conclusions The results of this study support a one-factor measurement structure for the ESATPD-Cancer Scale in a sample of HR professionals in Taiwan. Findings also support a relationship between ESATPD-Cancer Scale scores and HR professionals' willingness to hire cancer survivors, demonstrating support for the construct validity of the scale. PMID- 29209931 TI - Co-morbid Non-communicable Diseases and Associated Health Service Use in African and Caribbean Immigrants with HIV. AB - We sought to characterize non-communicable disease (NCD)-related and overall health service use among African and Caribbean immigrants living with HIV between April 1, 2010 and March 31, 2013. We conducted two population-based analyses using Ontario's linked administrative health databases. We studied 1525 persons with HIV originally from Africa and the Caribbean. Compared with non-immigrants with HIV (n = 11,931), African and Caribbean immigrants had lower rates of hospital admissions, emergency department visits and non-HIV specific ambulatory care visits, and higher rates of health service use for hypertension and diabetes. Compared with HIV-negative individuals from these regions (n = 228,925), African and Caribbean immigrants with HIV had higher rates of health service use for chronic obstructive pulmonary disease [rate ratio (RR) 1.78; 95% confidence interval (CI) 1.36-2.34] and malignancy (RR 1.20; 95% CI 1.19-1.43), and greater frequency of hospitalizations for mental health illness (RR 3.33; 95% CI 2.44-4.56), diabetes (RR 1.37; 95% CI 1.09-1.71) and hypertension (RR 1.85; 95% CI 1.46-2.34). African and Caribbean immigrants with HIV have higher rates of health service use for certain NCDs than non-immigrants with HIV. The evaluation of health services for African and Caribbean immigrants with HIV should include indicators of NCD care that disproportionately affect this population. PMID- 29209932 TI - Intraspecific Variation in Nutritional Composition Affects the Leaf Age Preferences of a Mammalian Herbivore. AB - Ecologists have long been interested in how the nutritional composition of leaves changes as they age, and whether this affects herbivore feeding preferences. As a consequence, the literature abounds with reports that younger leaves contain higher concentrations of nitrogen and plant secondary metabolites (PSMs) than do older leaves. Most of these studies, however, base their conclusions on average values that often mean little to herbivores. We examined this issue in the well studied marsupial-eucalypt system, using Eucalyptus melliodora and captive common brushtail possums (Trichosurus vulpecula) offered branches from individual trees containing both young and mature leaves. Like many plants, the concentrations of N and PSMs differed among individual E. melliodora. Although young leaves were, on average, "better defended" by the PSM sideroxylonal than were mature leaves, some trees produced leaves that were relatively undefended at both ages. In response, possums chose different proportions of young and mature leaves depending on the chemistry of the individual tree. Possums did not always prefer leaves with lower concentrations of sideroxylonal (mature leaves) or those with higher concentrations of available N (young leaves). Instead, the sideroxylonal concentration of young leaves dictated their choice: possums preferred young leaves with low sideroxylonal concentrations, but not with high concentrations. By skewing their feeding toward trees producing young leaves with low concentrations of PSMs, possums may influence plant fitness. Researchers will detect these potentially important interactions only if they are aware that measuring variation among plants discloses more information than do average relationships. PMID- 29209933 TI - Evaluating the Role of Drone-Produced Chemical Signals in Mediating Social Interactions in Honey Bees (Apis mellifera). AB - Pheromones play a critical role in shaping societies of social insects, including honey bees, Apis mellifera. While diverse functions have been ascribed to queen- and worker-produced compounds, few studies have explored the identity and function of male-produced (drone) compounds. However, several lines of evidence suggest that drones engage in a variety of social interactions inside and outside of the colony. Here we elucidate the chemical composition of extracts of the drone mandibular gland, and test the hypothesis that compounds produced in these glands, or a synthetic blend consisting of the six main compounds, mediate drone social interactions in and out of the colony. Drone mandibular glands primarily produce a blend of saturated, unsaturated and methyl branched fatty acids ranging in chain length from nonanoic to docosanoic acids, and both gland extracts and synthetic blends of these chemicals serve to attract drones outside of the hive, but do not attract workers inside the hive. These studies shed light on the role drones and drone-produced chemicals have on mediating social interactions with other drones and highlight their potential importance in communicating with other castes. PMID- 29209935 TI - Correction to: Postoperative atrial fibrillation is less frequent in pulmonary segmentectomy compared with lobectomy. AB - In the original publication of this article, the Table 1 was published incorrectly with missing data. PMID- 29209934 TI - Variability in Sexual Pheromones Questions their Role in Bumblebee Pre-Mating Recognition System. AB - Sex-specific chemical secretions have been widely used as diagnostic characters in chemotaxonomy. The taxonomically confused group of bumblebees has reaped the benefit of this approach through the analyses of cephalic labial gland secretions (CLGS). Most of currently available CLGS descriptions concern species from the West-Palearctic region but few from the New World. Here, the CLGS of four East Palearctic species Bombus deuteronymus, B. filchnerae, B. humilis, and B. exil (subgenus Thoracobombus) are analysed. Our results show high levels of variability in the major compounds in B. exil. In contrast, we describe a low differentiation in CLGS compounds between B. filchnerae and its phylogenetically closely related taxon B. muscorum. Moreover, the chemical profiles of B. filchnerae and B. muscorum are characterized by low concentrations of the C16 component, which is found in higher concentrations in the other Thoracobombus species. This raises the possibility that courtship behavior as well as environmental constraints could affect the role of the bumblebee males' CLGS. PMID- 29209936 TI - Plasma lipidomics as a diagnostic tool for peroxisomal disorders. AB - Peroxisomes are ubiquitous cell organelles that play an important role in lipid metabolism. Accordingly, peroxisomal disorders, including the peroxisome biogenesis disorders and peroxisomal single-enzyme deficiencies, are associated with aberrant lipid metabolism. Lipidomics is an emerging tool for diagnosis, disease-monitoring, identifying lipid biomarkers, and studying the underlying pathophysiology in disorders of lipid metabolism. In this study, we demonstrate the potential of lipidomics for the diagnosis of peroxisomal disorders using plasma samples from patients with different types of peroxisomal disorders. We show that the changes in the plasma profiles of phospholipids, di- and triglycerides, and cholesterol esters correspond with the characteristic metabolite abnormalities that are currently used in the metabolic screening for peroxisomal disorders. The lipidomics approach, however, gives a much more detailed overview of the metabolic changes that occur in the lipidome. Furthermore, we identified novel unique lipid species for specific peroxisomal diseases that are candidate biomarkers. The results presented in this paper show the power of lipidomics approaches to enable the specific diagnosis of different peroxisomal disorders. PMID- 29209938 TI - Sauna bathing and systemic inflammation. AB - We aimed to investigate whether frequency of sauna bathing is associated with the levels of serum C-reactive protein. C-reactive protein is a leading blood marker of systemic inflammation. The study consisted of 2084 men (42-60 years) without acute or chronic inflammation. A total of 533 (25.6%), 1368 (65.6%), and 183 (8.8%) participants reported having a sauna bath once a week, 2-3 times, and 4-7 times per week; mean serum C-reactive protein levels were 2.41 (standard deviation 2.91), 2.00 (2.41), 1.65 (1.63) mmol/L, respectively. In a multivariable analysis adjusted for baseline age, body mass index, systolic blood pressure, smoking, type 2 diabetes, previous myocardial infarction, and serum low density lipoprotein cholesterol, alcohol consumption and physical activity, there was a significant inverse association between the frequency of sauna bathing and the level of C-reactive protein. Further studies are warranted to investigate the relationship between sauna bathing and systemic inflammation. PMID- 29209937 TI - Sugar-based collagen membrane cross-linking increases barrier capacity of membranes. AB - OBJECTIVES: This study examines the permeability and barrier capacity of a sugar cross-linked resorbable collagen membrane ex vivo and in vivo. MATERIALS AND METHODS: In an ex vivo study, injectable platelet-rich fibrin (i-PRF), a peripheral blood-derived human leukocyte-and-platelet-rich plasma was used to analyze membrane permeability. in vivo subcutaneous implantation in Wistar rats (n = 4 per time point and group) was used to investigate the barrier capacity of the membrane. The induced in vivo cellular reaction was evaluated at 3, 15, and 30 days and compared to sham OP (control) without biomaterial using histological, immunohistochemical, and histomorphometric methods. RESULTS: Ex vivo, the membrane was impenetrable to leukocytes, platelets, and fibrin from peripheral human blood concentrate (PRF). In vivo, the membrane maintained its structure and remained impervious to cells, connective tissue, and vessels over 30 days. CD-68 positive cell (macrophage) numbers significantly decreased from 3 to 15 days, while from day 15 onwards, the number of multinucleated giant cells (MNGCs) increased significantly. Correspondingly, a rise in implantation bed vascularization from 15 to 30 days was observed. However, no signs of degradation or material breakdown were observed at any time point. CONCLUSION: Ex vivo and in vivo results showed material impermeability to cellular infiltration of human and murine cells, which highlights the membrane capacity to serve as a barrier over 30 days. However, whether the induced MNGCs will lead to material degradation or encapsulation over the long term requires further investigation. CLINICAL RELEVANCE: The data presented are of great clinical interest, as they contribute to the ongoing discussion concerning to what extent an implanted material should be integrated versus serving only as a barrier membrane. PMID- 29209939 TI - Disaggregating the mortality reductions due to cancer screening: model-based estimates from population-based data. AB - The mortality impact in cancer screening trials and population programs is usually expressed as a single hazard ratio or percentage reduction. This measure ignores the number/spacing of rounds of screening, and the location in follow-up time of the averted deaths vis-a-vis the first and last screens. If screening works as intended, hazard ratios are a strong function of the two Lexis time dimensions. We show how the number and timing of the rounds of screening can be included in a model that specifies what each round of screening accomplishes. We show how this model can be used to disaggregate the observed reductions (i.e., make them time-and screening-history specific), and to project the impact of other regimens. We use data on breast cancer screening to illustrate this model, which we had already described in technical terms in a statistical journal. Using the numbers of invitations different cohorts received, we fitted the model to the age- and follow-up-year-specific numbers of breast cancer deaths in Funen, Denmark. From November 1993 onwards, women aged 50-69 in Funen were invited to mammography screening every two years, while those in comparison regions were not. Under the proportional hazards model, the overall fitted hazard ratio was 0.82 (average reduction 18%). Using a (non-proportional-hazards) model that included the timing information, the fitted reductions ranged from 0 to 30%, being largest in those Lexis cells that had received the greatest number of invitations and where sufficient time had elapsed for the impacts to manifest. The reductions produced by cancer screening have been underestimated by inattention to their timing. By including the determinants of the hazard ratios in a regression-type model, the proposed approach provides a way to disaggregate the mortality reductions and project the reductions produced by other regimes/durations. PMID- 29209940 TI - Epidemiological changes in rubella IgG antibody levels detected in antenatal women from a retrospective rubella seroprevalence study. AB - BACKGROUND: Rubella is caused by the rubella virus, a single-stranded RNA virus of the Togaviridae family. The most severe complications of rubella in adult women occur during pregnancy when infection can lead to miscarriage, stillbirth or congenital rubella syndrome. Antenatal rubella susceptibility screening is no longer performed in England, Scotland or Wales but continues in Northern Ireland. AIM: The aims of this seroprevalence study were to (1) determine amongst women presenting for antenatal care the percentage of women who are rubella susceptible, rubella immune and those with equivocal rubella antibody levels by year of birth and (2) to consider how rubella vaccination resources can best be utilised. METHODS: A retrospective study was performed analysing all antenatal rubella IgG antibody tests performed between January 2015 and June 2017 inclusive (n = 19,000; excluding duplicate tests). All antenatal women were included regardless of the country of origin and age. RESULTS: From our analysis, 88.7% (n = 16,868) women had plasma concentrations of anti-rubella IgG > 10 IU/ml. 7.3% of women (n = 1403) had rubella IgG levels between 5 and 9.99 IU/ml, and 2.8% (n = 729) had IgG levels < 5 IU/ml. A decline in rubella immunity in younger women was evident. CONCLUSIONS: This study has identified an increase in women who are rubella susceptible and women with equivocal rubella antibody levels. International evidence suggests that rubella serology is unreliable and antenatal screening does not confer any benefit to women during their current pregnancy. Consideration should be given to re-direct resources currently utilised for antenatal screening to facilitate the vaccination of pre-pregnancy and postpartum women and also to opportunistically offer vaccination to all women of childbearing age. PMID- 29209941 TI - T2238C Atrial Natriuretic Peptide Gene Variant and the Response to Antiplatelet Therapy in Stable Ischemic Heart Disease Patients. AB - The T2238C variant of the ANP gene is associated with higher risk of major cardiovascular events. The purpose of this study is to investigate if this polymorphism influences the response to antiplatelet agents and it is responsible of increased platelet reactivity, thus contributing to the adverse outcome. In patients undergoing elective percutaneous coronary intervention (PCI), loaded with antiplatelets, blood samples were withdrawn for genotyping, platelet reactivity assessment and for troponin T measurement to investigate the association between the polymorphism with residual platelet reactivity and with the incidence of PPMI. No significant differences in platelet reactivity nor in PPMI incidence were observed between groups. Nevertheless, higher ARU, PRU, and % PI were detected in diabetic patients, with PRU significantly higher in carriers versus non-carriers. We observed increased residual platelet reactivity exclusively in diabetic carriers of the T2238C variant undergoing elective PCI, suggesting the need of a more effective platelet inhibition in this category of patients. PMID- 29209942 TI - The contribution of stimulus frequency and recency to set-size effects. AB - Hick's law describes the increase in choice reaction time (RT) with the number of stimulus-response (S-R) mappings. However, in choice RT experiments, set-size is typically confounded with stimulus recency and frequency: With a smaller set size, each stimulus occurs on average more frequently and more recently than with a larger set-size. To determine to what extent stimulus recency and frequency contribute to the set-size effect, stimulus set-size was manipulated independently of stimulus recency and frequency, by keeping recency and frequency constant for a subset of the stimuli. Although this substantially reduced the set size effect (by approximately two-thirds for these stimuli), it did not eliminate it. Thus, the time required to retrieve an S-R mapping from memory is (at least in part) determined by the number of alternatives. In contrast, a recent task switching study (Van 't Wout et al. in Journal of Experimental Psychology: Learning, Memory & Cognition., 41, 363-376, 2015) using the same manipulation found that the time required to retrieve a task-set from memory is not influenced by the number of alternatives per se. Hence, this experiment further supports a distinction between two levels of representation in task-set control: The level of task-sets, and the level of S-R mappings. PMID- 29209943 TI - Mapping toxic mineral contamination: the southern oyster drill, S. haemastoma (L., 1767), as evaluable sentinel species. AB - The nickel, chromium, arsenic, cadmium, and lead content have been evaluated, by ICP-MS, in digestive gland of the amphiatlantic gastropod Stramonita haemastoma, sampled along the highly anthropized Gulf of Milazzo (Central Mediterranean). Concentrations notably higher than those reported in literature for other Mediterranean Muricidae have been recorded. The results also indicated a different impact in different sites, according to distribution and typology of human activities, whilst recorded seasonal variations might relate with rapid metabolic response. Such preliminary results suggest S. haemastoma may be considered a promising sentinel species for inorganic contamination in marine environment, especially in terms of short-medium-term exposure. PMID- 29209944 TI - The Second Asian Radiology Summit : Residency training program and board examination of radiology and imaging in Asia. PMID- 29209945 TI - Psoriasis in Skin of Color: Insights into the Epidemiology, Clinical Presentation, Genetics, Quality-of-Life Impact, and Treatment of Psoriasis in Non White Racial/Ethnic Groups. AB - Psoriasis is a chronic inflammatory skin condition affecting diverse racial/ethnic groups throughout the world. Large population-based studies suggest that psoriasis occurs most often in individuals of European ancestry, followed by black and Hispanic individuals, although the true prevalence of psoriasis in non white individuals is likely underestimated. Despite similarities in psoriasis between ethnic groups, there are notable differences in the presentation, quality of-life impact, and treatment of psoriasis with important implications for the management of non-white individuals. Overall, heterogeneity in psoriasis susceptibility alleles, in combination with cultural and socioeconomic factors, may explain these differences. In this article, we review the epidemiology, clinical presentation, genetic polymorphisms, quality-of-life impact, and treatment nuances of psoriasis in patients with skin of color. PMID- 29209946 TI - Usability and Patient Preference Phase 3 Study of the Sarilumab Pen in Patients with Active Moderate-to-Severe Rheumatoid Arthritis. AB - INTRODUCTION: Sarilumab is a human monoclonal antibody that blocks the interleukin-6 receptor alpha (IL-6Ralpha). The phase 3 SARIL-RA-EASY study (EASY) assessed the robustness of an autoinjector (pen) for administering sarilumab when used by adults with active moderate-to-severe rheumatoid arthritis (RA) who are candidates for anti-IL-6R therapy in an unsupervised real-world setting. METHODS: EASY was a 12-week, multicenter, randomized, open-label, parallel-group usability study of the sarilumab pen and prefilled syringe. Patients were randomized 1:1:1:1 to sarilumab 150 or 200 mg every 2 weeks (q2w) administered via pen or syringe, plus background disease-modifying antirheumatic drugs. Patients reported their ability to remove the pen cap and initiate and complete injections; negative responses were defined as product technical complaints (PTCs). The primary endpoint was the number of validated product technical failures (PTFs; PTC with a validated technical cause). This study was not powered to demonstrate bioequivalence or differences in efficacy among groups. RESULTS: A total of 217 patients were randomized. There were 600 successful injections with the sarilumab pen in 108 patients and no pen-associated PTFs. One PTC was observed (the pen was mistakenly activated before injection). At week 12, 88% of patients indicated the pen was "easy" to use, and 98% reported they were "satisfied" with the pen. Proportions of patients achieving an American College of Rheumatology 20/50/70 response and a 28-joint disease activity score by C-reactive protein < 2.6 were similar at each dose between the pen and syringe groups, as were the pharmacokinetics. There were no clinically meaningful differences in adverse events (AEs), serious AEs, and AEs leading to discontinuation in the pen and syringe groups. The most common treatment-emergent AEs were infections and neutropenia. CONCLUSION: This study demonstrated the ease of use and robustness of the sarilumab pen when used by patients with RA in an unsupervised setting. Pharmacokinetics, safety, and efficacy were generally similar for the pen and syringe groups (NCT02057250). FUNDING: Sanofi Genzyme and Regeneron Pharmaceuticals, Inc. TRIAL REGISTRATION: Clinicaltrials.gov identifier, NCT02057250. PMID- 29209947 TI - Copy number variation arising from gene conversion on the human Y chromosome. AB - We describe the variation in copy number of a ~ 10 kb region overlapping the long intergenic noncoding RNA (lincRNA) gene, TTTY22, within the IR3 inverted repeat on the short arm of the human Y chromosome, leading to individuals with 0-3 copies of this region in the general population. Variation of this CNV is common, with 266 individuals having 0 copies, 943 (including the reference sequence) having 1, 23 having 2 copies, and two having 3 copies, and was validated by breakpoint PCR, fibre-FISH, and 10* Genomics Chromium linked-read sequencing in subsets of 1234 individuals from the 1000 Genomes Project. Mapping the changes in copy number to the phylogeny of these Y chromosomes previously established by the Project identified at least 20 mutational events, and investigation of flanking paralogous sequence variants showed that the mutations involved flanking sequences in 18 of these, and could extend over > 30 kb of DNA. While either gene conversion or double crossover between misaligned sister chromatids could formally explain the 0-2 copy events, gene conversion is the more likely mechanism, and these events include the longest non-allelic gene conversion reported thus far. Chromosomes with three copies of this CNV have arisen just once in our data set via another mechanism: duplication of 420 kb that places the third copy 230 kb proximal to the existing proximal copy. Our results establish gene conversion as a previously under-appreciated mechanism of generating copy number changes in humans and reveal the exceptionally large size of the conversion events that can occur. PMID- 29209948 TI - Iron metabolism and related diseases: an overview. PMID- 29209949 TI - 18F-FDG PET/CT for the quantification of inflammation in large carotid artery plaques. AB - BACKGROUND: There is currently no consensus on the methodology for quantification of 18F-FDG uptake in inflammation in atherosclerosis. In this study, we explore different methods for quantification of 18F-FDG uptake in carotid atherosclerotic plaques and correlate the uptake values to histological assessments of inflammation. METHODS AND RESULTS: Forty-four patients with atherosclerotic stenosis >=70% of the internal carotid artery underwent 18F-FDG PET/CT. Maximum standardized uptake values (SUVmax) from all plaque-containing slices were collected. SUVmax for the single highest and the mean of multiple slices with and without blood background correction (by subtraction (cSUV) or by division (target to-background ratio (TBR)) were calculated. Following endarterectomy 30 plaques were assessed histologically. The length of the plaques at CT was 6-32 mm. The 18F-FDG uptake in the plaques was 1.15-2.66 for uncorrected SUVs, 1.16-3.19 for TBRs, and 0.20-1.79 for cSUVs. There were significant correlations between the different uptake values (r = 0.57-0.99, P < 0.001). Methods with and without blood background correction showed similar, moderate correlations to the amount of inflammation assessed at histology (r = 0.44-0.59, P < 0.02). CONCLUSIONS: In large stenotic carotid plaques, 18F-FDG uptake reflects the inflammatory status as assessed at histology. Increasing number of PET slices or background correction did not change the correlation. PMID- 29209950 TI - SPECT myocardial ischemia in the absence of obstructive CAD: Contribution of the invasive assessment of microvascular dysfunction. AB - Coronary microvascular dysfunction has recently emerged as a major independent prognostic factor and can be invasively assessed by coronary flow reserve (CFR) and the index of microvascular resistance (IMR). The incremental prognostic value of myocardial ischemia from SPECT myocardial perfusion imaging (MPI) over clinical characteristics, cardiac risk factors, and stress test data for the prediction of hard cardiac events (myocardial infarction and cardiac death) has been well demonstrated over the last two decades regardless of the absence or presence of epicardial CAD. Recently developed semi-conductor, cardiac-dedicated cameras allow for decreased acquisition times and systematic procubitus and decubitus acquisitions thereby limiting the occurrence of false positives historically attributable to artefactual motion, attenuation, and digestive artifacts. It is therefore likely that pathophysiological causes rather than acquisition artifacts might underlie SPECT perfusion abnormalities. Here, we report four representative examples of patients presenting with ischemia in the setting of no obstructive CAD and normal fractional flow reserve together with elevated IMR and low CFR. The results indicate that ischemia from SPECT MPI could result from microvascular dysfunction in patients without obstructive CAD and should be considered as a prognostic factor for hard cardiac events. PMID- 29209951 TI - Relationship of left ventricular global longitudinal strain with cardiac autonomic denervation as assessed by 123I-mIBG scintigraphy in patients with heart failure with reduced ejection fraction submitted to cardiac resynchronization therapy : Assessment of cardiac autonomic denervation by GLS in patients with heart failure with reduced ejection fraction submitted to CRT. AB - BACKGROUND: Heart failure (HF) is associated with cardiac autonomic denervation (AD), which can be non-invasively assessed by 123I-metaiodobenzylguanidine (123I mIBG) scintigraphy and has prognostic implications. We aimed to study the relationship between myocardial contractility assessed by global longitudinal strain (GLS) and AD assessed by 123I-mIBG scintigraphy in advanced HF. METHODS/RESULTS: BETTER-HF is a prospective randomized clinical trial including HF patients (pts) submitted to cardiac resynchronization therapy (CRT) who are submitted to a clinical, echocardiographic, and scintigraphic assessment before and 6 months after CRT. 81 pts were included. An echocardiographic response (absolute increase in left ventricular ejection fraction >= 10%) was observed in 73.7% of pts. A higher baseline late heart-to-mediastinum ratio (HMR) was associated with a better echocardiographic response. There was a significant association between late HMR and GLS at baseline and 6 months. At baseline, GLS had an AUC of 0.715 for discrimination for a late HMR < 1.6. A GLS cut-off of - 9% maximized the likelihood of correctly classifying a pt as having severe AD (HMR < 1.6). CONCLUSION: Myocardial contractility as assessed by GLS is moderately correlated with AD as assessed by 123I-mIBG scintigraphy and has a good discrimination for the identification of severe cardiac denervation. GLS may allow for a more readily accessible estimation of the degree of AD in advanced HF pts. PMID- 29209952 TI - Correction to: SEOM clinical guideline of diagnosis and management of low-grade glioma (2017). AB - The original version of this article unfortunately contained a mistake. Figure 3 was incorrect. PMID- 29209953 TI - Diagnostic value of 99mTc-ethambutol scintigraphy in tuberculosis: compared to microbiological and histopathological tests. AB - OBJECTIVE: Tuberculosis (TB) still remains the world's endemic infection. TB affects the lungs and any part of the body other than the lung. The diagnosis of TB has not changed much over the decades. Ethambutol is one of the first line treatments for TB. It can be labeled using 99mTc. 99mTc-ethambutol will be accumulated in the site of TB lesion and can be imaged using gamma camera. The aim of this study was to evaluate the diagnostic value of 99mTc-ethambutol scintigraphy in detecting and localizing of TB. METHODS: Retrospective cross sectional study was done. Subjects were patients suspected of having TB infection. Whole body and SPECT-CT imaging at the suspected area was done 1 and 4 h after injection of 370-555 MBq 99mTc-ethambutol. 99mTc-ethambutol scintigraphy was analyzed visually. The results were compared with that of histopathological or microbiological tests. Statistical analysis was done to determine the sensitivity, specificity, PPV, NPV and accuracy. RESULTS: One hundred and sixty eight subjects were involved in this study. There were 110 men and 58 women with mean age of 34.52 +/- 11.94 years. There were concordance results in 156 (92.86%) and discordant in 12 (7.14%) subjects between 99mTc-ethambutol scintigraphy and histopathological or microbiological result. The sensitivity, specificity, PPV, NPV and accuracy of 99mTc-ethambutol scintigraphy in the diagnosis of pulmonary TB were 93.9, 85.7, 93.9, 85.7 and 91.4%, respectively, for extra-pulmonary TB 95.5, 77.8, 97.9, 63.6, and 85.1%, respectively, and for total tuberculosis 94.9, 83.3, 96.3, 78.1 and 92.8%, respectively. There was no side effect observed in this study. CONCLUSION: 99mTc-ethambutol scintigraphy is a useful diagnostic imaging technique to detect and localize intra- and extra-pulmonary TB. It is safe to be performed even in pediatric patient. Consuming ethambutol less than 2 weeks did not influence the result. PMID- 29209954 TI - QSPR analysis of threshold of odor for the large number of heterogenic chemicals. AB - Quantitative structure-property relationships for odor thresholds based on representation of the molecular structure by the simplified molecular input-line entry system were established using the CORAL software. The total set of compounds with numerical data on the so-called arithmetic odor thresholds ([Formula: see text]) was distributed into the training and validation sets, three times. The average statistical quality of these models is (1) for training set [Formula: see text]; and (2) for validation set [Formula: see text]. Thus, the predictive potential of this approach was confirmed for three different splits into training and validation sets. Domain of applicability and mechanistic interpretation of these models are defined from the probabilistic point of view. The suggested models are built up according to OECD principles. PMID- 29209955 TI - Acalabrutinib: First Global Approval. AB - Acerta Pharma is developing the Bruton's tyrosine kinase inhibitor acalabrutinib (Calquence(r)) for the treatment of various haematological and solid malignancies. The drug has received accelerated approval from the US FDA for the treatment of mantle cell lymphoma based on the results of a phase II study, and phase III trials in mantle cell lymphoma and chronic lymphocytic leukaemia are currently underway. This article summarizes the milestones in the development of acalabrutinib leading to this first approval for mantle cell lymphoma. PMID- 29209956 TI - Cross-sex genetic correlation does not extend to sexual size dimorphism in spiders. AB - Males and females are often subjected to different selection pressures for homologous traits, resulting in sex-specific optima. Because organismal attributes usually share their genetic architectures, sex-specific selection may lead to intralocus sexual conflict. Evolution of sexual dimorphism may resolve this conflict, depending on the degree of cross-sex genetic correlation (r MF) and the strength of sex-specific selection. In theory, high r MF implies that sexes largely share the genetic base for a given trait and are consequently sexually monomorphic, while low r MF indicates a sex-specific genetic base and sexual dimorphism. Here, we broadly test this hypothesis on three spider species with varying degrees of female-biased sexual size dimorphism, Larinioides sclopetarius (sexual dimorphism index, SDI = 0.85), Nuctenea umbratica (SDI = 0.60), and Zygiella x-notata (SDI = 0.46). We assess r MF via same-sex and opposite-sex heritability estimates. We find moderate body mass heritability but no obvious patterns in sex-specific heritability. Against the prediction, the degree of sexual size dimorphism is unrelated to the relative strength of same sex versus opposite-sex heritability. Our results do not support the hypothesis that sexual size dimorphism is negatively associated with r MF. We conclude that sex-specific genetic architecture may not be necessary for the evolution of a sexually dimorphic trait. PMID- 29209957 TI - Salvianolate Reduces Glucose Metabolism Disorders in Dimethylnitrosamine-Induced Cirrhotic Rats. AB - OBJECTIVE: To evaluate the preventive effect of salvianolate (Sal B) on glucose metabolism disorders of dimethylnitrosamine (DMN)-induced cirrhotic rats. METHODS: Fifty-five Wistar rats were randomly divided into a control group (n=10) and a cirrhotic group (n=45) according to a random number table. Liver cirrhosis was induced by intraperitoneal administration of DMN. The cirrhotic rats were divided into model, Sal B and metformin groups (n=15), respectively. Rats in the model group were given saline, two treatment groups were given Sal B (50 mg/kg), metformin (150 mg/kg) respectively for 28 consecutive days, while rats in the control group were injected 0.9% saline with same volume of vehicle. Body weight was measured everyday. Insulin sensitivity was determined by euglycemic hyperinsulinemic clamp. Organ index, glucose tolerance test (OGTT), and fasting plasma glucose (FPG), fasting insulin (FINS), hepatic glycogen, hydroxyproline (HYP) and liver function were detected at the end of the treatment. Area under the curve (AUC) for OGTT was calculated. Liver and pancreas histology were determined by histopathological examination with hematoxylin and eosin staining (HE), Sirius Red staining and Masson's trichrome staining, respectively. Hepatic expression of alpha-smooth muscle actin (alpha-SMA) and collagen (Col I) were evaluated by immunohistochemical staining. RESULTS: Compared with the model group, Sal B significantly increased body and liver weight, liver-body ratio, glucose infusion rate (GIR), FPG, FINS levels and hepatic glycogen at the end of administration (P<0.05 or P<0.01). Meanwhile, Sal B significantly decreased AUC for OGTT, spleen weight, spleen-body ratio, aminotransferase and HYP level (P<0.05 or P<0.01). Sal B was also effective in alleviating necrosis of liver tissue, suppressing fibrosis progression and inhibiting the expression of alpha SMA and Col I in liver. Compared with the metformin group, Sal B had advantages in ameliorating FPG, hepatic glycogen, spleen weight, organ index, liver function and cirrhosis (P<0.05). Metformin increased insulin sensitivity more potently than Sal B (P<0.05). CONCLUSIONS: Sal B could improve glucose metabolism in cirrhotic rats by protecting hepatic glycogen reserve, increasing insulin sensitivity, and alleviating pancreatic morphology abnormalities. Sal B was clinically potential in preventing glucose metabolism anomalies accompanied with cirrhosis. PMID- 29209958 TI - Moxibustion Therapy in Traditional Mongolian Medicine. AB - From the medical history of traditional Eastern Asian and Tibetan medicine, the origin and development of moxibustion seems to be closely related to Mongolia. To explore the current clinical practice of moxibustion in Mongolia, we visited a teaching hospital, the Traditional Medical Science, Technology and Production Corporation of Mongolia, in February 2014. Many types of moxibustion are found to be used, and various modalities and methods are practiced based on the principles of traditional Mongolian medicine. In particular, Mongolian drug moxibustion, which uses small butter-warmed bags packed with powdered aromatic herbs instead of moxa cones, is a unique moxibustion technique not found in other countries. In this paper, we introduce the clinical practice of moxibustion, specifically Mongolian drug moxibustion in Mongolia. PMID- 29209959 TI - Improving the Level and Quality of Ethics Review in Chinese Medicine and Integrative Medicine. AB - Three features of ethics review in Chinese medicine (CM) and integrative medicine (IM) were put forward in this paper. It is consistent with the principles of ethical review in Western medicine; it has to be compliant with the laws of CM and IM; emphasis should be laid on the review of clinical practice facts and experience. Three problems were pointed out. The characteristics of CM and IM are not distinctive enough, operation procedures need to be refined and effectiveness remains to be improved. Based on the mentioned above, seven measures were proposed to improve the level and quality of ethics review in CM and IM, including better brand awareness, considerable tolerance, treatment based on disease differentiation and syndrome differentiation, scientific review and toxicity and side effects of CM, perfection of the ethics review system, reasonable procedures of ethics review and more specialized ethics review workers. PMID- 29209960 TI - Systematic Reviews/Meta-Analyses of Integrative Medicine in Chinese Need Regulation and Monitoring Urgently and Some Suggestions for Its Solutions. AB - With the introduction and development of evidence-based medicine in China, it has been spread rapidly in the area of integrative medicine (IM) and has become a new unique discipline. During almost 20 years, as one of the most important parts of evidence-based IM, systematic review (SR)/meta-analysis (MA) of IM have shown a good development momentum in the aspects of quantity, depth, breadth and influence, but also face the harsh situation of the uncontrolled quantity and quality, especially for SRs in Chinese. Therefore, how to supervise and standardize this area effectively becomes a problem to be solved. Based on the experience both at home and abroad, the authors put forward several kinds of solutions for laying the foundation for further development such as promoting the registration system of SR/MA of IM, effectively setting up the regulatory platform of quality and quantity, launching professional training for SR/MA reviewers, forming qualification registration, developing the data transfer and sharing platform to realize the transparency of evidence process. PMID- 29209961 TI - Finite element analysis of the wrist in stroke patients: the effects of hand grip. AB - The provision of the most suitable rehabilitation treatment for stroke patient remains an ongoing challenge for clinicians. Fully understanding the pathomechanics of the upper limb will allow doctors to assist patients with physiotherapy treatment that will aid in full arm recovery. A biomechanical study was therefore conducted using the finite element (FE) method. A three-dimensional (3D) model of the human wrist was reconstructed using computed tomography (CT) scanned images. A stroke model was constructed based on pathological problems, i.e. bone density reductions, cartilage wane, and spasticity. The cartilages were reconstructed as per the articulation shapes in the joint, while the ligaments were modelled using linear links. The hand grip condition was mimicked, and the resulting biomechanical characteristics of the stroke and healthy models were compared. Due to the lower thickness of the cartilages, the stroke model reported a higher contact pressure (305 MPa), specifically at the MC1-trapezium. Contrarily, a healthy model reported a contact pressure of 228 MPa. In the context of wrist extension and displacement, the stroke model (0.68 degrees and 5.54 mm, respectively) reported a lower magnitude than the healthy model (0.98 degrees and 9.43 mm, respectively), which agrees with previously reported works. It was therefore concluded that clinicians should take extra care in rehabilitation treatment of wrist movement in order to prevent the occurrence of other complications. Graphical abstract ?. PMID- 29209962 TI - Effects of location and extent of spine clustering on synaptic integration in striatal medium spiny neurons-a computational study. AB - The nucleus accumbens (NAc) is known widely for its role in the reward circuit, which is dysregulated in a number of psychological disorders. Recent evidence also suggests the contribution of this structure in spatial and gustatory memories. Because of its role in different types of memories, similar to the hippocampus, we assumed the formation of spine clusters, which are engrams of memory, to be present on dendrites of medium spiny neurons (MSNs). We found that the activation of clustered inputs resulted in sublinear summation when clusters were present on the same branch and also when inputs were distributed on different branches. The size, as well as the location of clusters, was found to affect the summation. With an increase in cluster size and distance from soma, the summation was increasingly sublinear. When the temporal integration window was measured for clustered spines, it was found to be narrower as compared to that for a single spine. Also, distally located clusters resulted in a wider temporal window, as compared to proximal clusters. Our results suggest that depending on the location of clusters, the modes of integration will differ in MSNs possessing clustered spines. PMID- 29209963 TI - Generation of highly potent organic fertilizer from pernicious aquatic weed Salvinia molesta. AB - Utilization of Salvinia molesta, an aquatic weed which is notorious for its allelopathy and invasiveness, has been explored by its vermicomposting. Fourier transform infrared spectroscopy (FT-IR) and plant bioassay tests were conducted to analyze the composition and fertilizer value of S .molesta vermicompost. Germination and seedling growth tests were performed in soil supplemented with vermicompost at levels ranging from 0.75 to 40% by weight of the soil on three common food plants, ladies finger (Abelmoschus esculentus), cucumber (Cucumis sativus), and green gram (Vigna radiata). The influence of S. molesta's vermicompost on some of the physicochemical and biological attributes of the soil was also studied. FT-IR analysis revealed that S. molesta loses its allelopathy, as the chemical compounds that are responsible for it are largely destroyed, in the course of its vermicomposting. There is also an indication that a portion of lignin content of S. molesta is degraded. Vermicompost enhanced the germination success and promoted the morphological growth and biochemical content of the plant species studied. It also bestowed plant friendly physicochemical and biological attributes to the soil. The findings raise the prospect that billions of tons of S. molesta biomass-which not only goes to waste at present but is also a cause of serious harm to the environment-may become utilizable in organic agriculture. PMID- 29209964 TI - Probing the toxicity mechanism of multiwalled carbon nanotubes on bacteria. AB - Carbon nanotubes (CNTs) have emerged recently as superior adsorbent materials for the removal of recalcitrant pollutants. The potential of combining the sorption capability of CNTs with bacterial degradation for pollutant removal, however, necessitates further investigation of the mechanisms of CNTs' toxicity towards bacterial cells. In this study, we used a panel of stress-responsive recombinant Escherichia coli bioluminescence bacterial strains to explore the possible mechanisms of toxicity of multiwalled carbon nanotubes (MWCNTs). The effects of MWCNTs on markers of oxidative stress, protein, DNA, and membrane damage enabled the exposition of some of the mechanisms of their antimicrobial properties. Using both a bioluminescence bioreporter panel and live/dead staining, we observed that membrane damage played a role in the toxicity of MWCNTs. A subsequent viability study using three strains of bacteria-two gram-negative (Escherichia coli, Pseudomonas aeruginosa) and one gram-positive (Bacillus subtilis)-showed significant MWCNT toxicity in hypotonic water and phosphate-buffered saline solution, compared with the MWCNT toxicity towards the same bacteria incubated in isotonic-rich media. Using a field-emission scanning electron microscope, we demonstrated that membrane damage is caused largely by MWCNTs trapping bacteria and piercing the cell walls. As a result of our observations, we propose integrating MWCNTs and bacteria degradation for pollutant removal in nutrient rich media to minimize the toxicity effect of CNTs. PMID- 29209965 TI - Does the air condition system in busses spread allergic fungi into driver space? AB - The aim of this study was to establish whether the air-conditioning system in buses constitutes an additional source of indoor air contamination with fungi, and whether or not the fungi concentration depends on the period from the last disinfection of the system, combined with replacement of the cabin dust particle filter. The air samples to fungi analysis using impact method were taken in 30 buses (20 with an air-conditioning system, ACS; 10 with a ventilation system, VS) in two series: 1 and 22 weeks after cabin filter replacement and disinfection of the air-conditioning system. During one test in each bus were taken two samples: before the air-conditioning or ventilation system switched on and 6 min after operating of these systems. The atmospheric air was the external background (EB). After 1 week of use of the system, the fungi concentrations before starting of the ACS and VS system were 527.8 and 1053.0 cfu/m3, respectively, and after 22 weeks the concentrations were 351.9 and 1069.6 cfu/m3, respectively. While in the sample after 6 min of ACS and VS system operating, the fungi concentration after 1 week of use was 127.6 and 233.7 cfu/m3, respectively, and after 22 weeks it was 113.3 and 324.9 cfu/m3, respectively. Results do not provide strong evidence that air-conditioning system is an additional source of indoor air contamination with fungi. A longer operation of the system promoted increase of fungi concentration in air-conditioned buses only. PMID- 29209966 TI - Residue behavior and risk assessment of imidacloprid applied on greenhouse cultivated strawberries under different application conditions. AB - A risk assessment for imidacloprid applied on strawberries under different conditions was performed after residue determination using the quick, cheap, effective, rugged, and safe (QuEChERS) method. The application conditions were varied according to the applied dosage, addition of a plant oil or organosilicon surfactant, water volume, and sprayer type. The degradation dynamics of imidacloprid on strawberries followed first-order kinetics. At applied doses of 30-60 g a.i. ha-1, the half-lives of imidacloprid were 2.89-3.46, 1.98-3.65, and 2.57-2.77 days after application without a surfactant or with a plant oil or organosilicon surfactant, respectively. For water volumes of 112.5, 225, 450, 675, and 900 L ha-1, the half-lives of imidacloprid applied in the presence of the plant oil surfactant were 3.30, 7.70, 5.33, 7.70, and 6.30 days, respectively. The half-lives after application with a knapsack mist duster, electric sprayer, and manual sprayer were 2.16, 5.77, and 7.70 days, respectively. The health risk assessment revealed risk quotients less than 1 in all cases, indicating that the application of imidacloprid poses a low health risk to humans after a pre-harvest interval of 10 days under our application conditions. The risk assessment results can provide reference data for setting a reasonable maximum residue limit for imidacloprid on strawberries in China. PMID- 29209967 TI - Cumulative impacts from multiple human activities on seagrass meadows in eastern Mediterranean waters: the case of Saronikos Gulf (Aegean Sea, Greece). AB - Ecosystem-based management (EBM) addresses the fundamental need to account for cumulative impacts of human activities with the aim of sustainably delivering ecosystem services. The Saronikos Gulf, a large embayment of the Aegean Sea, provides a wide range of ecosystem services that are impacted by multiple human activities, deriving from the metropolitan area of Athens (situated at the northeast part of the Gulf). The anthropogenic impacts affect the status of several marine ecosystem components, e.g., seagrass meadows. Cymodocea nodosa meadows are only present at the most confined western part of the Gulf, whereas Posidonia oceanica meadows are mainly distributed in the inner and outer part of the Gulf. The aim of this study is to assess the cumulative impacts from multiple human activities on the seagrass meadows in the Gulf. The main results indicated that most impacted meadows are P. oceanica in the inner part of the Gulf, adjacent to the most urbanized coastal areas, and near port infrastructures. Land based pollution, as well as physical damage and loss seem to be the main pressures exerted on the meadows. Understanding cumulative impacts is crucial for informing policy decisions under an EBM approach. PMID- 29209968 TI - The impact of internet use on air pollution: Evidence from emerging countries. AB - The goal of this study is to analyze the impact of Internet use, employed as a proxy for information and communications technologies (ICTs), on CO2 emissions. Using a panel of 20 emerging economies spanning the period 1990 to 2015, this paper finds that increased Internet access results in lower levels of air pollution. Moreover, panel causality test results highlight a unidirectional causality running from Internet use to CO2 emissions. This result also has crucial policy implications for the governments in emerging markets. For instance, increased investment in the ICT sector could be a plausible channel to reduce air pollution level. PMID- 29209969 TI - Children's environmental chemical exposures in the USA, NHANES 2003-2012. AB - Children are vulnerable to environmental chemical exposures, but little is known about the extent of multiple chemical exposures among children. We analyzed biomonitoring data from five cycles (2003-2012) of the National Health and Nutrition Examination Survey (NHANES) to describe multiple chemical exposures in US children, examine levels of chemical concentrations present over time, and examine differences in chemical exposures by selected demographic groups. We analyzed data for 36 chemical analytes across five chemical classes in a sample of 4299 children aged 6-18. Classes included metals, pesticides, phthalates, phenols, and polycyclic aromatic hydrocarbons. We calculated the number and percent of chemicals detected and tested for secular trends over time in chemical concentrations. We compared log concentrations among groups defined by age, sex, race/ethnicity, and poverty using multiple linear regression models and report adjusted geometric means. Among a smaller subgroup of 733 children with data across chemical classes, we calculated the linear correlations within and between classes and conducted a principal component analysis. The percentage of children with detectable concentrations of an individual chemical ranged from 26 to 100%; the average was 93%, and 29 of 36 were detected in more than 90% of children. Concentrations of most tested chemicals were either unchanged or declined from earlier to more recent years. Many differences in concentrations were present by age, sex, poverty, and race/ethnicity categories. Within and between class correlations were all significant and positive, and the principal component analysis suggested a one factor solution, indicating that children exposed to higher levels of one chemical were exposed to higher levels of other chemicals. In conclusion, children in the USA are exposed to multiple simultaneous chemicals at uneven risk across socioeconomic and demographic groups. Further efforts to understand the effects of multiple exposures on child health and development are warranted. PMID- 29209970 TI - Haze and health impacts in ASEAN countries: a systematic review. AB - Seasonal haze episodes and the associated inimical health impacts have become a regular crisis among the ASEAN countries. Even though many emerging experimental and epidemiological studies have documented the plausible health effects of the predominating toxic pollutants of haze, the consistency among the reported findings by these studies is poorly understood. By addressing such gap, this review aimed to critically highlight the evidence of physical and psychological health impacts of haze from the available literature in ASEAN countries. Systematic literature survey from six electronic databases across the environmental and medical disciplines was performed, and 20 peer-reviewed studies out of 384 retrieved articles were selected. The evidence pertaining to the health impacts of haze based on field survey, laboratory tests, modelling and time-series analysis were extracted for expert judgement. In specific, no generalization can be made on the reported physical symptoms as no specific symptoms recorded in all the reviewed studies except for throat discomfort. Consistent evidence was found for the increase in respiratory morbidity, especially for asthma, whilst the children and the elderly are deemed to be the vulnerable groups of the haze-induced respiratory ailments. A consensual conclusion on the association between the cardiovascular morbidity and haze is unfeasible as the available studies are scanty and geographically limited albeit of some reported increased cases. A number of modelling and simulation studies demonstrated elevating respiratory mortality rates due to seasonal haze exposures over the years. Besides, evidence on cancer risk is inconsistent where industrial and vehicular emissions are also expected to play more notable roles than mere haze exposure. There are insufficient regional studies to examine the association between the mental health and haze. Limited toxicological studies in ASEAN countries often impede a comprehensive understanding of the biological mechanism of haze-induced toxic pollutants on human physiology. Therefore, the lack of consistent evidence among the reported haze-induced health effects as highlighted in this review calls for more intensive longitudinal and toxicological studies with greater statistical power to disseminate more reliable and congruent findings to empower the institutional health planning among the ASEAN countries. PMID- 29209971 TI - Synergistic phytoremediation of wastewater by two aquatic plants (Typha angustifolia and Eichhornia crassipes) and potential as biomass fuel. AB - The ability of a mixture of Typha angustifolia and Eichhornia crassipes to remove organics, nutrients, and heavy metals from wastewater from a Thailand fresh market was studied. Changes in physicochemical properties of the wastewater including pH, temperature, chemical oxygen demand, dissolved oxygen, biochemical oxygen demand (BOD), total P, TOC, conductivity, total Kjeldahl nitrogen, NO3--N, NH3-N, and metal (Pb, Cd, and Zn) concentrations were monitored. In the aquatic plant (AP) treatment, 100% survival of both species was observed. Dry biomass production and growth rate of T. angustifolia were approximately 3.3* and 2.7* of those for E. crassipes, respectively. The extensive root system of the plants improved water quality as determined by a marked decrease in turbidity in the AP treatment after 7 days. BOD content served as a useful indicator of water quality; BOD declined by 91% over 21 days. Both T. angustifolia and E. crassipes accumulated similar quantities of metals in both roots and shoots. Accumulation of metals was as follows: Zn > Cd > Pb. A study of calorific value and biomass composition revealed that T. angustifolia and E. crassipes possessed similar carbon content (~ 35%), hydrogen content (~ 6%), and gross calorific value. E. crassipes contained up to 16.9% ash and 65.4% moisture. Both species are considered invasive in Thailand; however, they may nonetheless provide practical benefits: In addition to their combined abilities to treat wastewater, T. angustifolia holds potential as an alternative energy source due to its high biomass production. PMID- 29209972 TI - PBPK/PD assessment for Parkinson's disease risk posed by airborne pesticide paraquat exposure. AB - Exposure to several specific pesticides has led to an increase of Parkinson's disease (PD) risk. However, it is difficult to quantify the PD population risk related to certain pesticides in regions where environmental exposure data are scarce. Furthermore, the time trend of the prevalence and incidence of PD embedded in the background relationship between PD risk and pesticide exposures has not been well characterized. It has been convincingly identified that a key pesticide associated significantly with an increased risk trend of PD is paraquat (PQ). Here, we present a novel, probabilistic population-based exposure-response approach to quantify the contribution from PQ exposure to prevalence risk of PD. We found that the largest PQ exposure contributions occurred in its positive trend during 2004-2011, with the PQ contributing nearly 21 and 24%, respectively, to the PD prevalence rates among the age groups of 70-79 and >= 80 years in Taiwan. We also employed the present population risk model to predict the PQ induced PD prevalence based on the projected rates of increase in PQ exposure associated with age-specific population. The predicted outcome can be used as an early warning signal for public health authorities. We suggest that a mechanistic understanding of the contribution of a specific pesticide exposure to PD risk trends is crucial to enhance our insights into the perspective on the impacts of environmental exposure on the neurodegenerative diseases. PMID- 29209973 TI - Insight into litter decomposition driven by nutrient demands of symbiosis system through the hypha bridge of arbuscular mycorrhizal fungi. AB - Arbuscular mycorrhizal fungi (AMF) play an important role in litter decomposition. This study investigated how soil nutrient level affected the process. Results showed that AMF colonization had no significant effect on litter decomposition under normal soil nutrient conditions. However, litter decomposition was accelerated significantly under lower nutrient conditions. Soil microbial biomass in decomposition system was significantly increased. Especially, in moderate lower nutrient treatment (condition of half-normal soil nutrient), litters exhibited the highest decomposition rate, AMF hypha revealed the greatest density, and enzymes (especially nitrate reductase) showed the highest activities as well. Meanwhile, the immobilization of nitrogen (N) in the decomposing litter remarkably decreased. Our results suggested that the roles AMF played in ecosystem were largely affected by soil nutrient levels. At normal soil nutrient level, AMF exhibited limited effects in promoting decomposition. When soil nutrient level decreased, the promoting effect of AMF on litter decomposition began to appear, especially on N mobilization. However, under extremely low nutrient conditions, AMF showed less influence on decomposition and may even compete with decomposer microorganisms for nutrients. PMID- 29209974 TI - Metallothionein in Hermetia illucens (Linnaeus, 1758) larvae (Diptera: Stratiomyidae), a potential biomarker for organic waste system. AB - Black soldier fly, Hermetia illucens (Linnaeus, 1758), is an important economic fly as its larvae can be used for recycling organic waste, such as food waste and manure. H. illucens larvae (BSFL) could uptake Cd from substrates and accumulate it inside bodies, which need to be monitored during waste treatment. Metallothionein (MT) usually serve as biomarker because of its role in metal homeostasis, detoxification, and dose response of heavy metals. Therefore, a MT gene was cloned from H. illucens (HIMT) that encoded 40 amino acids with typical cysteine rich features, which had a high sequence identity with other insect MTs. The expression of HIMT and total MT protein was measured in BSFL fed by meals spiked with gradient dose of Cd (0, 5, 50, 500 mg/kg) for 24, 48, 72, and 96 h, respectively. Dose-associated response of HIMT and total MT were found and the possible correlative range of Cd was from 5 to 50 mg/kg. The expression of HIMT might be a potential biomarker for monitoring Cd contamination by H. illucens in terrestrial organic matters, which might further apply in waste transformation system. PMID- 29209975 TI - Commercial silicate phosphate sequestration and desorption leads to a gradual decline of aquatic systems. AB - Laboratory desorption behaviour, function and elemental composition of commercially marketed silicate minerals used to sequester phosphorus pollution as well as Zeolite, Smectite, and Kaolinite were determined to see whether their use by environmental scientists and water managers in eutrophic waterways has the potential to contribute to longer-term environmental impacts. As expected, lower phosphorus concentrations were observed, following treatment. However, data relating to desorption, environmental fate and bioavailability of phospho silicate complexes (especially those containing rare earth elements) appear to be underrepresented in product testing and trial publications. Analysis of desorption of phosphate (P) was > 5 MUg[P]/L for all three non-commercial samples and 0 > MUg[P]/L > 5 for all commercial silicates for a range of concentrations from 0 to 300 MUg[P]/L. Based on a review of bioaccumulation data specific to the endangered Cherax tenuimanus (Hairy Marron) and other endemic species, this is significant considering anything > 20 MUg[La]/L is potentially lethal to the hairy marron, other crustaceans and even other phyla. Where prokaryotic and eukaryotic effects are underreported, this represents a significant challenge. Especially where product protocols recommend continual reapplication, this is significant because both the forward and reverse reactions are equally important. The users of silicate minerals in water columns should accept the dynamic nature of the process and pay equal attention to both adsorption and desorption because desorption behaviour is an inherent trait. Even if broader desorption experimentation is difficult, expensive and time-consuming, it is a critical consideration nonetheless. PMID- 29209977 TI - Impact of oral cadmium intoxication on levels of different essential trace elements and oxidative stress measures in mice: a response to dose. AB - The study evaluated the effect of oral intoxication of cadmium and the possible causes of oxidative stress and its preferential accumulation in different organs as well as sub-sequential effects in mice. Twenty-four Swiss albino male mice were divided into three groups viz., normal control group without cadmium chloride (CdCl2), whereas a daily dose of 0.5 and 1.2 mg of CdCl2 was orally administered for a period of a week to dose group 1 (DG-1) and dose group 2 (DG 2), respectively. A significant increase in the severity of cadmium toxicity was observed in animals as evidenced by aggravation in liver enzymes viz., serum alanine aminotransferase and aspartate transaminase, whereas lower levels of antioxidative stress markers in liver and kidney tissues of treated mice were observed as compared to normal control group. A significant depletion of calcium levels in liver tissues of DG-1 (217.36 +/- 1.73 MUg/g of wet tissues) and DG-2 (186.41 +/- 1.56 MUg/g of wet tissues) groups, along with Cd accumulation, was observed. To summarize, the current study would increase our understanding with respect to dose-dependent absorption of Cd and its toxicity led to mortality as well as adverse health effects in the body of mice. Graphical abstract ?. PMID- 29209976 TI - Do cemeteries emit drugs? A case study from southern Germany. AB - The risk of earth burials for the environment and public health is a matter of controversial debate. The aim of the present study is to characterise the drainage of cemeteries with regard to the concentration of a number of pharmaceuticals and to the soil's hydrochemical properties, and to discuss these data in comparison with data obtained for surface waters located upstream of the cemeteries. Of the 12 drainage samples analysed using LC-ESI-MS/MS, seven contained carbamazepine (< 225 ng l-1), five contained hydrochlorothiazide, one contained metoprolol (23 ng l-1) and one contained traces of ibuprofen. The surface water samples contained a larger number of different drugs (8 of the 12 drugs under investigation) and higher concentrations (e.g. metropolol 2230 ng l 1). The NO3, NH4, PO4 and DOC concentrations and the electrical conductivity of the cemetery drainages were in several samples higher than those of the surface water samples. The NO3 and NH4 concentrations exceeded the legal contaminant limits of drinking water in only one case. The present study found that the release of drugs and nutrients from cemeteries, measured in surface water drug loads, presents a low environmental risk. However, the study is only a snapshot and long-term monitoring of cemetery drainages, including a broad range of pharmaceuticals and detailed hydrological investigations, will have to be carried out before more substantiated statements can be made. PMID- 29209978 TI - Bioengineered silver nanoparticles as potent anti-corrosive inhibitor for mild steel in cooling towers. AB - Silver nanoparticle-aided enhancement in the anti-corrosion potential and stability of plant extract as ecologically benign alternative for microbially induced corrosion treatment is demonstrated. Bioengineered silver nanoparticles (AgNPs) surface functionalized with plant extract material (proteinacious) was generated in vitro in a test tube by treating ionic AgNO3 with the leaf extract of Azadirachta indica that acted as dual reducing as well as stabilizing agent. Purity and crystallinity of the AgNPs, along with physical and surface characterizations, were evaluated by performing transmission electron microscopy, Fourier transform infrared spectroscopy, energy dispersive x-ray spectra, single area electron diffractions, zeta potential, and dynamic light scattering measurements. Anti-corrosion studies against mild steel (MS1010) by corrosion inducive bacterium, Bacillus thuringiensis EN2 isolated from cooling towers, were evaluated by performing electrochemical impedance spectroscopy (EIS), weight loss analysis, and surface analysis by infrared spectroscopy. Our studies revealed that AgNPs profoundly inhibited the biofilm on MS1010 surface and reduced the corrosion rates with the CR of 0.5 mm/y and an inhibition efficiency of 77% when compared to plant extract alone with a CR of 2.2 mm/y and an inhibition efficiency of 52%. Further surface analysis by infrared spectra revealed that AgNPs formed a protective layer of self-assembled film on the surface of MS1010. Additionally, EIS and surface analysis revealed that the AgNPs have inhibited the bacterial biofilm and reduced the pit on MS1010. This is the first report disclosing the application of bioengineered AgNP formulations as potent anti corrosive inhibitor upon forming a protective layer over mild steel in cooling water towers. Graphical Abstract ?. PMID- 29209979 TI - Genotoxicity assessment of raw and treated water samples using Allium cepa assay: evidence from Perak River, Malaysia. AB - Allium cepa assay was carried out in this study to evaluate genotoxic effects of raw and treated water samples from Perak River in Perak state, Malaysia. Samples were collected from three surface water treatment plants along the river, namely WTPP, WTPS, and WTPK. Initially, triplicates of equal size Allium cepa (onions) bulbs, 25-30 mm in diameter and average weight of 20 g, were set up in distilled water for 24 h at 20 +/- 2 degrees C and protected from direct sunlight, to let the roots to grow. After germination of roots (0.5-1.0 cm in length), bulbs were transferred to collected water samples each for a 96-h period of exposure. The root physical deformations were observed. Genotoxicity quantification was based on mitotic index and genotoxicity level. Statistical analysis using cross correlation function for replicates from treated water showed that root length has inverse correlation with mitotic indices (r = - 0.969) and frequencies of cell aberrations (r = - 0.976) at lag 1. Mitotic indices and cell aberrations of replicates from raw water have shown positive correlation at lag 1 (r = 0.946). Genotoxicity levels obtained were 23.4 +/- 1.98 (WTPP), 26.68 +/- 0.34 (WTPS), and 30.4 +/- 1.13 (WTPK) for treated water and 17.8 +/- 0.18 (WTPP), 37.15 +/- 0.17 (WTPS), and 47.2 +/- 0.48 (WTPK) for raw water. The observed cell aberrations were adherence, chromosome delay, C-metaphase, chromosome loss, chromosome bridge, chromosome breaks, binucleated cell, mini cell, and lobulated nuclei. The morphogenetic deformations obtained were likely due to genotoxic substances presence in collected water samples. Thus, water treatment in Malaysia does not remove genotoxic compounds. PMID- 29209980 TI - Predictors of Increased Length of Hospital Stay Following Laparoscopic Sleeve Gastrectomy from the National Surgical Quality Improvement Program. AB - BACKGROUND: Laparoscopic sleeve gastrectomy is the most commonly performed bariatric procedure in the USA. Identifying preoperative risk factors for prolonged postoperative hospital stay will help appropriately select patients for fast-track protocols and avoid costly readmissions. To date, there has been no large national database analysis of risk factors for prolonged length of stay following laparoscopic sleeve gastrectomy. METHODS: Laparoscopic sleeve gastrectomy procedures reported to the American College of Surgeons National Surgical Quality Improvement Program between 2009 and 2012 were reviewed. Open procedures and revisional procedures were excluded. Baseline patient characteristics and preoperative lab values were reviewed. Univariate analysis was conducted to identify patient factors that predicted prolonged hospitalization (defined as >= 3 days). Multivariate logistic regression was used to identify factor associated with prolonged length of stay. RESULTS: We identified 11,430 patients who underwent laparoscopic sleeve gastrectomy. The median length of stay was 2 days and 18.4% required hospitalization >= 3 days. Multivariate analysis revealed that female sex, age greater than 65, body mass index greater than 50, chronic obstructive pulmonary disease, hypertension, renal insufficiency, anemia, and prolonged operative time were significantly associated with prolonged hospital stay. CONCLUSIONS: Preoperative patient characteristics as well as operative details predict prolonged length of stay following laparoscopic sleeve gastrectomy. As the utilization of fast-track protocols in bariatric surgery programs expands, these data may be used to assist in the selection of patients who may be inappropriate for rapid discharge from the hospital after sleeve gastrectomy as well as guide medical optimization strategies preoperatively. PMID- 29209981 TI - The Effect of Frailty Index on Early Outcomes after Combined Colorectal and Liver Resections. AB - BACKGROUND: Although previous studies have examined frailty as a potential predictor of adverse surgical outcomes, little is reported on its application. We sought to assess the impact of the 5-item modified frailty index (mFI) on morbidity in patients undergoing combined colorectal and liver resections. METHODS: Adult patients who underwent combined colorectal and liver resections were identified using the ACS-NSQIP database (2005-2015). The 5-item mFI consists of history of chronic obstructive pulmonary disease, congestive heart failure, hypertension, diabetes, and partial/total dependence. Patients were stratified into three groups: mFI 0, 1, or >= 2. The impact of the mFI on primary outcomes (30-day overall and serious morbidity) was assessed using multivariable logistic regression. Subgroup analyses by age and hepatectomy type was also performed. RESULTS: A total of 1928 patients were identified: 55.1% with mFI = 0, 33.2% with mFI = 1, and 11.7% with mFI >= 2. 75.9% of patients underwent wedge resection/segmentectomy (84.6% colon, 15.4% rectum), and 24.1% underwent hemihepatectomy (88.8% colon, 11.2% rectum). On unadjusted analysis, patients with mFI >= 2 had significantly greater rates of overall and serious morbidity, regardless of age and hepatectomy type. These findings were consistent with the multivariable analysis, where patients with mFI >= 2 had increased odds of overall morbidity (OR 1.41, 95% CI 1.02-1.96, p = 0.037) and were more than twice likely to experience serious morbidity (OR 2.12, 95% CI 1.47-3.04, p < 0.001). CONCLUSIONS: The 5-item mFI is significantly associated with 30-day morbidity in patients undergoing combined colorectal and liver resections. It is a tool that can guide surgeons preoperatively in assessing morbidity risk in patients undergoing concomitant resections. PMID- 29209982 TI - Adherence to Inhaled Medications and its Effect on Healthcare Utilization and Costs Among High-Grade Chronic Obstructive Pulmonary Disease Patients. AB - BACKGROUND: Adherence to inhaled medication regimens affects chronic obstructive pulmonary disease (COPD) prognosis and quality of life, and reduces the use of healthcare services, resulting in cost savings. OBJECTIVES: To examine the effects of adherence to inhaled medication regimens on healthcare utilization and costs in high-grade COPD patients. METHODS: We performed an observational retrospective cohort study using a longitudinal data set from the Korean Health Insurance Review and Assessment Service (2008-2013) containing healthcare services' information for 50 million beneficiaries. The study population was high grade COPD patients. "Adherent" was defined as a patient attaining a medication possession ratio (MPR) >= 80%. We estimated the effects of adherence on the use of intensive care units (ICUs) and emergency rooms (ERs) using a multivariate logistic regression, and estimated the effects on costs (all-cause and COPD related) using a generalized linear model, with adjustment for patient sociodemographic characteristics, health status, and comorbidities. RESULTS: Of 9086 high-grade COPD patients, adherence declined from 34.7 to 22.3% over 4 years. Adherence was inversely associated with use of ICUs and costs, and this association got stronger as the adherence period lengthened. Over the 4-year period, the adherent group had a lower likelihood of using ICUs [odds ratio (OR) = 0.74, 95% confidence interval (CI) 0.60-0.91] than the non-adherent group. Similarly, the adherent group had a 10.4% lower all-cause cost (p < 0.001) and an 11.7% lower COPD-related cost (p < 0.0001) versus the non-adherent group. CONCLUSIONS: Adherence reduces healthcare utilization and costs, so adherence is not only clinically effective but also economically efficient. However, less than one-quarter of this population remained adherent over the 4-year period, suggesting that strategies are needed to improve adherence. PMID- 29209983 TI - Vibralactone Biogenesis-Associated Analogues from Submerged Cultures of the Fungus Boreostereum vibrans. AB - A scale-up fermentation of the fungus Boreostereum vibrans facilitated the isolation of six new vibralactone biogenesis-associated analogues, namely vibralactamide A (1), vibralactone T (2), 13-O-lactyl vibralactone (3), 10-O acetyl vibralactone G (4), (11R,12R)- and (11S,12R)-vibradiol (5, 6). Their structures were established via extensive spectroscopic analyses, specific optical rotation comparison, and Snatzke's method. The biosynthetic pathway for vibralactamide A was postulated. The absolute configuration of vibralactone B was revised by single crystal X-ray diffraction analysis. This work puts the divergent vibralactone biosynthesis pathway one step further and expands the structural diversity of vibralactone-associated compounds. PMID- 29209985 TI - Frequent and Yet Unreported GNAQ and GNA11 Mutations are Found in Uveal Melanomas. AB - Malignant melanoma of the uvea is the most common primary malignant tumor in the eye. We aimed to analyze GNAQ and GNA11 mutations in uveal melanomas using formalin-fixed, paraffin-embedded material and correlate the results with clinicopathological parameters. Tumor tissue was microdissected followed by amplification of GNAQ exon 4 and 5, GNA11 exon 4 and 5, and finally analyzed by Sanger sequencing. A total of 64.4 GNA11/GNAQ mutations, including ten yet unreported, were found. Two cases showed multiple mutations. Overall survival was significantly shorter in the uveal melanoma cohort with GNAQ exon 5 mutation. In concordance with previous studies, high frequencies of mutations in GNAQ or GNA11 were detected. Interestingly, in about 20% of UM, not yet reported mutations in GNAQ or GNA11 were seen. Rarely, uveal melanoma may harbor double mutations in GNAQ and/or GNA11. Recent data imply, that implementation of GNAQ/GNA11 mutation analysis in routine diagnostic procedures might be helpful for future therapeutic decisions. PMID- 29209984 TI - Intravesical Thalidomide boosts bacillus Calmette-Guerin (BCG) in non-muscle invasive bladder cancer treatment. AB - The aim of this study was to explore the efficacy of intravesical Thalidomide (immunomodulatory, anti-inflammatory and anti-angiogenic) added to BCG using an immune competent autochthonous orthotopic NMIBC animal model. Female Fischer 344 rats, 7 weeks of age, received every 2 weeks for four times, a dose of 1.5 mg/kg of N-methyl-N-nitrosourea (MNU) intravesically. The rats were randomized into four groups (n = 10 per group) to receive intravesical treatment once a week for 6 weeks as follows: control (0.2 ml vehicle), BCG (2 * 106 CFU of Connaught strain in 0.2 ml), Thalidomide (20 mg/kg in 0.2 ml) and BCG-Thalidomide in 0.2 ml. At week 15, bladders were collected for histopathology, cell turnover index by immunohistochemistry and immunoblotting quantification of 4E-BP1 and p70S6K1 for downstream mTOR proliferation signaling and HIF and VEGF for angiogenesis pathway. Thalidomide-BCG association showed a trend for normal histopathology and down-regulation of cell turnover, p70S6K1, HIF-1 and VEGF. 4E-BP1 was up regulated by treatment, especially in the Thalidomide groups, supporting that its regulation occurs independently of p70S6K1 on mTOR pathway in NMIBC. Intravesical BCG-Thalidomide might represent a significant increment in NMIBC treatment, suggesting p70S6K1, HIF-1 and VEGF as potential molecular target candidates in a clinically relevant immune competent NMIBC model. PMID- 29209986 TI - Data on Single Nucleotide Polymorphism of DNA Repair Genes and Breast Cancer Risk from Poland. AB - Single nucleotide polymorphisms (SNPs) may modify the risk of cancer. They may be then regarded as potential markers of carcinogenesis. The aim of this study was to analyze the frequency of genotypes and alleles of SNPs in DNA repair genes and to investigate the influence this genetic variation exerts on breast cancer in Polish females. The test group comprised 600 females with breast cancer and 600 healthy controls. Genomic DNA was isolated and the SNPs in DNA repair genes were determined by High-Resolution Melter (HRM) technique. Following polymorphisms were analysed: Arg399Gln (rs25487) of the XRCC1, Gly322Asp (rs4987188) of the hMSH2, Lys751Gln (rs13181) of the XPD, Arg188His (rs3218536) of the XRCC2, P871L (rs799917) of the BRCA1 and N372H (rs144848) of the BRCA2 gene. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated for each genotype and allele. Statistically significant correlations were identified between 4 single nucleotide polymorphisms and the breast cancer risk: rs25487 rs4987188 rs13181 and rs799917. The alleles XRCC1-Gln (OR 5.11; 95% CI 5.68-11.64, p < .0001), hMSH2-Asp (OR 4.66; 95% CI 3.90-5.56, p < .0001), XPD-Gln (OR 2.65; 95% CI 2.24 3.14, p < .0001) and BRCA1-L (OR 1.45; 95% CI 1.24-1.71, p < .0001) genes were strongly correlated with this malignancy. No correlation was found between the studied SNPs and tumor grading nor the lymph node status. Further research on larger groups is warranted to determine the influence of above-mentioned genetic variants on breast cancer risk. PMID- 29209987 TI - Genetic Investigation of Polymorphic OGG1 and MUTYH Genes Towards Increased Susceptibility in Lung Adenocarcinoma and its Impact on Overall Survival of Lung Cancer Patients Treated with Platinum Based Chemotherapy. AB - Genes OGG1 and MUTYH are the two primary genes in Base excision repair pathway. OGG1 hydrolyzes the sugar phosphate backbone and remove the damaged base creating abasic site. MUTYH complements OGG1 as it particularly remove adenine mispaired with 8-oxo-G. Both OGG1 and MUTYH act as a check for the mis-incorporation of bases may be due to damages incurred on DNA. DNA isolation for 326 lung cancer cases and 330 controls was followed by genotyping making use of PCR-RFLP. Logistic regression was done to analyze the risk towards lung cancer. Patients were followed through telephonic conversation. Kaplan meier and Cox-regression were used for survival analysis. OGG1 presented a high risk towards lung cancer (CG: OR = 2.44, p = 0.0003; CG + GG: OR = 1.88, p = 0.0093). On the same lines adenocarcinoma for OGG1 were potent risk factors towards lung cancer (CG: OR = 4.72, p = 0.0002; CG + GG: OR = 3.63, p = 0.0018). Single allelic carriers for MUTYH gene imposed a high risk towards overall lung susceptibility and for all the three histology. Stratified analysis for chemotherapeutic drugs revealed administration of Cisplatin/Carboplatin + Pemtrexed for OGG1Ser 326 Cys showed a better survival (MST CG vs. CC: 9.1 vs. 0.56, p = <0.0001; HR =0.051, p = 0.0025). Whereas, MUTYH Gln324His showed a smaller survival for mutant genotype (CC) (MST CC vs. GG: 4.0 vs. 9.4, p = 0.05; HR = 1.75, p = 0.26). Single allelic carriers for both OGG1 and MUTYH were risk factors towards lung cancer. The risk was amplified on combining both OGG1 and MUTYH. PMID- 29209988 TI - LncRNA EGOT Promotes Tumorigenesis Via Hedgehog Pathway in Gastric Cancer. AB - Gastric cancer (GC) is one of the mostly terminal malignancies with poor prognosis. Long noncoding RNA EGOT (EGOT) acts as a crucial regulator in the breast cancer. However, the function of EGOT in GC remains unknown. This work was to explore the clinical value and biological significance of EGOT in GC. EGOT levels in GC tissue and cell were analyzed by qRT-PCR. After knockdown of EGOT, GC cell growth and cycle progression were detected. The expression of EGOT was observably elevated in GC. Upregulation of EGOT was related with lymphatic metastasis and TNM stage. In addition, knockdown of EGOT by siRNA could significantly inhibit GC cell proliferation and arrest cycle progression in G1 phase. Moreover, EGOT mediated cyclin D1 expression in GC cells which was regulated by Hedgehog pathway. Further, loss of EGOT downregulated Hedgehog signaling pathway in GC cells. EGOT functions as an oncogene in GC, and may be useful as a conceivable diagnostic and prognostic biomarker for GC tumorigenesis. PMID- 29209989 TI - Pancreaticoduodenal artery aneurysms due to median arcuate ligament syndrome: what we need to know. AB - Median arcuate ligament (MAL) syndrome is a rare and poorly known cause of abdominal pain. MAL narrows the celiac artery (CA), resulting in true distal aneurysms, including pancreaticoduodenal artery (PDA) aneurysms. These aneurysms often have an aggressive course, as rupture can result in hemorrhagic shock. CT scan appears to be the most effective investigation for the diagnosis of PDA aneurysms and may reveal possible celiac artery compression. In this series, we describe four cases of PDA aneurysm: two ruptured aneurysms treated by an endovascular procedure and two non-ruptured aneurysms treated by surgery. It was also decided to treat CA stenosis in three of the four patients based on the clinical presentation (ruptured or non-ruptured) and the presence of peripancreatic collateral vessels on imaging. This strategy contrasts with the approach commonly reported in the literature, in which MAL section is mandatory due to the high risk of ischemia rather than the potential risk of recurrent aneurysm. Medical teams should be aware of this disease to improve diagnosis and patient management. PMID- 29209990 TI - Surgical anatomy of the right gastro-omental artery: a study on 100 cadaver dissections. AB - PURPOSE: The gastro-omental artery (GOA) with the greater omentum (GO) is known for its high quality as a vascular graft, its resistance to infections as an omental flap and for its multiple applications in surgery. A better knowledge of anatomical variations of GO and its vascularization can improve the application in surgery and decrease complications. The purpose of this study was to measure diameters and lengths of the right GOA (RGOA) and study the interindividual variability of these anatomical structures. METHODS: In 100 cadaveric dissections, we carried out dissection of the RGOA and of the GO. In 70 unfixed cadavers, the transillumination technique was used to identify all RGOA branches. In the remaining 30 cadavers, prepared with Winckler's solution, barium sulfate with colored latex was injected. Digital X-ray was used to measure RGOA lengths, internal diameters and the distribution of the omental branches. The gastro omental vein was also dissected. RESULTS: The mean proximal and distal diameters of RGOA were 2.68 (+/- 0.39) mm and 0.94 (+/- 0.24) mm, respectively. The mean length was 244.3 (+/- 34.4) mm. The thickness of the omentum ranged from 5 to 15.5 mm. The arteria omentalis magna, defined in this study for the fist time as the longest and widest omental branch, was present in 73.3% cases. The trans omental arch was present in 6% cases. CONCLUSIONS: This morphometric study allowed us to define the vascularization and the anatomical variations of RGOA and GO. This may lead to improvement of applications in surgery and decrease complications. PMID- 29209991 TI - Current, Emerging, and Future Applications of Digital PCR in Non-Invasive Prenatal Diagnosis. AB - Digital PCR (dPCR) approaches have been developed for the detection of nucleic acids of low abundance, such as cell-free DNA, and represent an attractive and sensitive alternative to conventional methods, particularly in the field of non invasive prenatal diagnosis (NIPD). In this review, we present the principle of dPCR and its applications in the field of prenatal diagnosis from current and emerging uses, such as fetal gender determination, rhesus blood group D antigen genotyping, or monogenic disorders prenatal testing, to future applications, such as the diagnosis and monitoring of pregnancy-related disorders. We also address considerations for implementation of the method in a clinical laboratory and discuss the competiveness of dPCR over other technologies such as quantitative PCR or massively parallel sequencing. PMID- 29209992 TI - Cost Effectiveness of Karyotyping, Chromosomal Microarray Analysis, and Targeted Next-Generation Sequencing of Patients with Unexplained Global Developmental Delay or Intellectual Disability. AB - BACKGROUND: Genetic diagnosis of unexplained global developmental delay and intellectual disability (GDD/ID) often ends the diagnostic odyssey and can lead to changes in clinical management. OBJECTIVE: The objective of this study was to investigate the cost effectiveness of testing scenarios involving several methods used to diagnose GDD/ID: karyotyping, chromosomal microarray analysis (CMA), and targeted next-generation sequencing (NGS). METHODS: We used decision-tree models to estimate the number of genetic diagnoses, the cost from a payers' perspective in the USA, and the incremental cost per additional genetic diagnosis. Model parameters were taken from peer-reviewed literature and governmental fee schedules. RESULTS: CMA testing results in more genetic diagnoses at an incremental cost of US $2692 per additional diagnosis compared with karyotyping, which has an average cost per diagnosis of US $11,033. Performing both tests sequentially results in the same number of diagnoses, but the total cost is less when CMA testing is done first and karyotyping second. Furthermore, when CMA testing yields a variant of unknown significance, additional genetic diagnoses can be obtained at an incremental cost of US $4220 by CMA testing of both parents, and when parents are not available or the patient had a normal CMA result, targeted NGS of the patient can add diagnoses at a further incremental cost of US $12,295. CONCLUSION: These results provide a cost effectiveness rationale for the use of CMA as the first-tier test for the genetic diagnosis of unexplained GDD/ID and further indicate that testing of both parents may be cost effective when a variant of unknown significance is detected in the patient. PMID- 29209993 TI - Carrying heavy asymmetrical loads increases postural sway during quiet standing in older adults. AB - Holding asymmetrical loads in the hands is common during many daily and occupational activities which, depending on the load mass, may alter postural stability. The purpose of this study was to determine the effect of load magnitude held asymmetrically in the hand on postural sway in older people. Eighteen healthy older adults (age 65.9 +/- 5.7 years) were assessed in the following conditions; (1) standing without an external load (0%), (2) standing while holding a grocery bag containing 5%, (3) 10% and (4) 20% body mass in the dominant hand. The total displacement of the centre of pressure (COP) in the anteroposterior and mediolateral directions (cm), mean COP velocity (cm s-1) and COP area (cm2) were used to indirectly assess postural sway. The COP area (R 2 = 0.96), anteroposterior (R 2 = 0.85) and mediolateral (R 2 = 0.84) COP displacement increased linearly with additional load. The 20% load condition elicited the greatest increase in postural sway (d = 2.1-3.6) compared to 0%, while the 5% load had no effects on sway (P >= 0.05). In contrast, the mean COP velocity decreased by similar amounts when holding a load at 5% (d = 1.6), 10% (d = 1.4) and 20% (d = 1.5) body mass, compared to 0% (all P < 0.001). The slower COP velocity, combined with greater COP displacements may suggest that postural reactions were restricted and/or delayed. From a fall-prevention perspective, it is advised that older people avoid holding asymmetrical external loads greater than 5% of body mass. PMID- 29209994 TI - The Role of Trypsin:Chymotrypsin in Tissue Repair. AB - : Tissue damage of all types, such as surgical or accidental injuries, fractures, and burns, stimulates a well-orchestrated, physiological process of healing, which ultimately leads to structural and functional restoration of the damaged tissues. The tissue repair process can be broadly divided into four continuous and overlapping phases-hemostasis and coagulation, inflammation, proliferation, and remodeling. If the process is interrupted or halted during any stage, it leads to impaired healing and formation of a chronic wound. Chronic wounds are associated with significant morbidity, mortality, and poor quality of life. Therefore, prompt and effective management of acute tissue injury is necessary to prevent it from progressing to a chronic wound. Proteolytic enzymes have been used to facilitate tissue repair since ancient times. Trypsin:chymotrypsin is an oral proteolytic enzyme preparation which has been in clinical use since the 1960s. It provides better resolution of inflammatory symptoms and promotes speedier recovery of acute tissue injury than several of the other existing enzyme preparations. This review article revisits the role and clinical utility of trypsin:chymotrypsin combination in tissue repair. FUNDING: Torrent Pharmaceuticals Limited. PMID- 29209995 TI - Early Clinical Expressions of Insulin Resistance: The Real Enemy to Look For. AB - The type 2 diabetes mellitus epidemic threatens public healthcare systems worldwide. Efforts to prevent chronic complications of diabetes and reduce their associated mortality have been ineffective. Hence, early prevention of type 2 diabetes mellitus and cardiovascular disease needs to be prioritized. This strategy, however, must be centered not on an approach based on hyperglycemia but on early pathophysiologic mechanisms, such as insulin resistance. Non-alcoholic fatty liver disease, androgenic alopecia, acanthosis nigricans, and polycystic ovarian syndrome are all well-accepted early clinical manifestations of insulin resistance that represent, in themselves, a risk for further development of type 2 diabetes and that appear years before hyperglycemia. Therefore, focusing efforts on detecting and rigorously treating patients with early clinical expression of insulin resistance (insulin resistance clinical syndrome) is probably the course of action that needs to be taken to counterbalance the type 2 diabetes mellitus epidemic. PMID- 29209996 TI - Understanding ownership of patient care: A dual-site qualitative study of faculty and residents from medicine and psychiatry. AB - INTRODUCTION: With changes in duty hours and supervision requirements, educators have raised concerns about erosion of patient care ownership by resident physicians. However, the definition of ownership is unclear. This qualitative study investigated definitions of ownership in medicine and psychiatry faculty and residents. METHODS: The authors distributed an anonymous online survey regarding definitions of ownership to faculty and residents at the psychiatry and internal medicine residency programs at the University of Washington and the Harvard Longwood psychiatry residency and conducted a qualitative analysis of free-text responses to identify emergent themes. RESULTS: 225 faculty (48.6%) and 131 residents (43.8%) across the three programs responded. Responses yielded themes in five domains: Physician Actions, Physician Attitudes, Physician Identity, Physician Qualities, and Quality of Patient Care. All groups identified themes of advocacy, communication and care coordination, decision-making, follow through, knowledge, leadership, attitudes of going 'above and beyond' and 'the buck stops here', responsibility, serving as primary provider, demonstrating initiative, and providing the best care as central to ownership. Residents and faculty had differing perspectives on 'shift work' and transitions of care and on resident decision-making as elements of ownership. DISCUSSION: This study expanded and enriched the definition of patient care ownership. There were more similarities than differences across groups, a reassuring finding for those concerned about a decreasing understanding of ownership in trainees. Findings regarding shared values, shift work, and the decision-making role can inform educators in setting clear expectations and fostering ownership despite changing educational and care models. PMID- 29209997 TI - [18F]-BMS-747158-02PET imaging for evaluating hepatic mitochondrial complex 1dysfunction in a mouse model of non-alcoholic fatty liver disease. AB - BACKGROUND: Mitochondrial dysfunction is one of the main causes of non-alcohol fatty liver disease (NAFLD). [18F]-BMS-747158-02 (18F-BMS) which was originally developed as a myocardial perfusion imaging agent was reported to bind mitochondrial complex-1 (MC-1). The aim of this study was to investigate the potential use of 18F-BMS for evaluating hepatic MC-1 activity in mice fed a methionine- and choline-deficient (MCD) diet. Male C57BL/6J mice were fed a MCD diet for up to 2 weeks. PET scans with 18F-BMS were performed after 1 and 2 weeks of the MCD diet. 18F-BMS was intravenously injected into mice, and the uptake (standardized uptake value (SUV)) in the liver was determined. The binding specificity for MC-1 was assessed by pre-administration of rotenone, a specific MC-1 inhibitor. Hepatic MC-1 activity was measured using liver homogenates generated after each positron emission tomography (PET) scan. Blood biochemistry and histopathology were also assessed. RESULTS: In control mice, hepatic 18F-BMS uptake was significantly inhibited by the pre-injection of rotenone. The uptake of 18F-BMS was significantly decreased after 2 weeks of the MCD diet. The SUV at 30-60 min was well correlated with hepatic MC-1 activity (r = 0.73, p < 0.05). Increases in plasma ALT and AST levels were also noted at 1 and 2 weeks. Mild hepatic steatosis with or without minimal inflammation was histopathologically observed at 1 and 2 weeks in mice liver on the MCD diet. However, inflammation was observed only at 2 weeks in mice on the MCD diet. CONCLUSIONS: The present study demonstrated that 18F-BMS is a potential PET probe for quantitative imaging of hepatic MC-1 activity and its mitochondrial dysfunction induced by steatosis and inflammation, such as in NAFLD. PMID- 29209998 TI - Rodent ultrasonic vocalizations as biomarkers of future alcohol use: A predictive analytic approach. AB - Excessive alcohol consumption has a vast, negative impact on society. Rodent models have been successful in furthering our understanding of the biological underpinnings that drive alcohol consumption. Rodents emit ultrasonic vocalizations (USVs) that are each composed of several acoustic characteristics (e.g., frequency, duration, bandwidth, power). USVs reflect neurotransmitter activity in the ascending limb of the mesolimbic dopaminergic and cholinergic neurotransmitter systems and serve as noninvasive, real-time biomarkers of dopaminergic and cholinergic neurotransmission in the limbic system. In the present study, we recorded spontaneously emitted USVs from alcohol-naive Long Evans (LE) rats and then measured their alcohol intake. We compared the USV acoustic characteristics and alcohol consumption data from these LE rats with previously published data from selectively bred high-alcohol (P and HAD-1) and low-alcohol (NP and LAD-1) drinking lines from studies with the same experimental method. Predictive analytic techniques were applied simultaneously to this combined data set and revealed that (a) USVs emitted by alcohol-naive rats accurately discriminated among high-alcohol consuming, LE, and low-alcohol consuming rat lines, and (b) future alcohol consumption in these same rat lines was reliably predicted from the USV data collected in an alcohol-naive state. To our knowledge, this is the first study to show that alcohol consumption is predicted directly from USV profiles of alcohol-naive rats. Because USV acoustic characteristics are sensitive to underlying neural activity, these findings suggest that baseline differences in mesolimbic cholinergic and dopaminergic tone could determine the propensity for future alcohol consumption in rodents. PMID- 29209999 TI - Elaborative feedback: Engaging reward and task-relevant brain regions promotes learning in pseudoword reading aloud. AB - Although much is known about the cognitive and neural basis of establishing letter-sound mappings in learning word forms, relatively little is known about what makes for the most effective feedback during this process. We sought to determine the neural basis by which elaborative feedback (EF), which contains both reward-related and content-specific information, may be more helpful than feedback containing only one kind of information (simple positive feedback, PF) or the other (content feedback, CF) in learning orthography-phonology (spelling sound) mappings for novel letter strings. Compared to CF, EF activated the ventromedial prefrontal cortex, implicated in reward processing. Compared to PF, EF activated the posterior middle temporal, superior temporal, and supramarginal gyri-regions implicated in orthography-phonology conversion. In the same comparison, EF also activated the left fusiform gyrus/visual word form area implicated in orthographic processing. Also EF, but not CF or PF, modulated activity in the caudate nucleus. In a postscan questionnaire, EF and PF were rated as more pleasant than CF, suggesting that modulation of the caudate for EF may be due to the coupling of reward and skill content. These findings suggest the enhanced effectiveness of EF may be due to concurrent activation of reward related and task-relevant brain regions. PMID- 29210000 TI - Sleep quality is associated with the severity of clinical symptoms in Parkinson's disease. AB - Sleep disorders are very common in Parkinson's disease (PD), being associated with several other conditions, mainly psychiatric disorders. The present study was designed to assess sleep quality in Brazilian patients with PD and to evaluate whether sleep changes are associated with clinical variables, especially neuropsychiatric symptoms in PD. Patients diagnosed with PD were subjected to a comprehensive clinical evaluation that included the assessment of motor, cognitive and psychiatric symptoms. Our study showed that sleep complaints are frequent in PD and worse sleep quality is associated with depressive and anxious symptoms, poorer cognitive performance and greater severity of PD symptoms. In the multivariate analysis, older age, greater severity of anxiety and PD remained as significant predictors of worse sleep quality. In conclusion, sleep complaints, depressive and anxiety symptoms are frequent in PD patients. Older age, disease severity and anxiety symptoms are significant predictors of poorer sleep quality in PD patients. PMID- 29210001 TI - High-intensity exercise interventions in cancer survivors: a systematic review exploring the impact on health outcomes. AB - PURPOSE: There is an increasing body of evidence underpinning high-intensity exercise as an effective and time-efficient intervention for improving health in cancer survivors. The aim of this study was to, (1) evaluate the efficacy and (2) the safety of high-intensity exercise interventions in improving selected health outcomes in cancer survivors. METHODS: Design Systematic review. Data sources Google Scholar and EBSCO, CINAHL Plus, Computers and Applied Sciences Complete, Health Source-Consumer Edition, Health Source: Nursing/Academic Edition, MEDLINE, Web of Science and SPORTDiscuss from inception up until August 2017. Eligibility criteria Randomized controlled trials of high-intensity exercise interventions in cancer survivors (all cancer types) with health-related outcome measures. The guidelines adopted for this review were the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA). RESULTS: The search returned 447 articles, of which nine articles (n = 531 participants mean, age 58 +/- 9.5 years) met the eligibility criteria. Exercise interventions of between 4 and 18 weeks consisting of high-intensity interval bouts of up to 4-min were compared with a continuous moderate intensity (CMIT) intervention or a control group. High intensity exercise interventions elicited significant improvements in VO2 max, strength, body mass, body fat and hip and waist circumference compared with CMIT and/or control groups. The studies reviewed showed low risk in participating in supervised high-intensity exercise interventions. Mixed mode high-intensity interventions which included both aerobic and resistance exercises were most effective improving the aerobic fitness levels of cancer survivors by 12.45 21.35%, from baseline to post-intervention. CONCLUSION: High-intensity exercise interventions improved physical and physiological health-related outcome measures such as cardiovascular fitness and strength in cancer survivors. Given that high intensity exercise sessions require a shorter time commitment, it may be a useful modality to improve health outcomes in those who are time poor. The risk of adverse events associated with high-intensity exercise was low. PMID- 29210002 TI - Tolerance of the eriophyid mite Aceria salsolae to UV-A light and implications for biological control of Russian thistle. AB - Aceria salsolae (Acari: Eriophyidae) is being evaluated as a candidate biological control agent of Russian thistle (Salsola tragus, Chenopodiaceae), a major invasive weed of rangelands and dryland crops in the western USA. Prior laboratory host range testing under artificial lighting indicated reproduction on non-native Bassia hyssopifolia and on a native plant, Suaeda calceoliformis. However, in field tests in the native range, mite populations released on these 'nontarget' plants remained low. We hypothesized that UV-A light, which can affect behavior of tetranychid mites, would affect populations of the eriophyid A. salsolae differently on the target and nontarget plant species, decreasing the mite's realized host range. Plants were infested with A. salsolae under lamps that emitted UV-A, along with broad-spectrum lighting, and the size of mite populations and plant growth was compared to infested plants exposed only to broad-spectrum light. Russian thistle supported 3- to 55-fold larger mite populations than nontarget plants regardless of UV-A treatment. UV-A exposure did not affect mite populations on Russian thistle or S. calceoliformis, whereas it increased populations 7-fold on B. hyssopifolia. Main stems on nontarget plants grew 2- to 6-fold faster than did Russian thistle under either light treatment. The two nontarget plants attained greater volume under the control light regime than UV-A, but Russian thistle was unaffected. Although Russian thistle was always the superior host, addition of UV-A light to the artificial lighting regime did not reduce the ability of A. salsolae to reproduce on the two nontarget species, suggesting that UV-B or other environmental factors may be more important in limiting mite populations in the field. PMID- 29210003 TI - Abscisic Acid Insensitive 4 transcription factor is an important player in the response of Arabidopsis thaliana to two-spotted spider mite (Tetranychus urticae) feeding. AB - Plants growing in constantly changeable environmental conditions are compelled to evolve regulatory mechanisms to cope with biotic and abiotic stresses. Effective defence to invaders is largely connected with phytohormone regulation, resulting in the production of numerous defensive proteins and specialized metabolites. In our work, we elucidated the role of the Abscisic Acid Insensitive 4 (ABI4) transcription factor in the plant response to the two-spotted spider mite (TSSM). This polyphagous mite is one of the most destructive herbivores, which sucks mesophyll cells of numerous crop and wild plants. Compared to the wild-type (Col 0) Arabidopsis thaliana plants, the abi4 mutant demonstrated increased susceptibility to TSSM, reflected as enhanced female fecundity and greater frequency of mite leaf damage after trypan blue staining. Because ABI4 is regarded as an important player in the plastid-to-nucleus retrograde signalling process, we investigated the plastid envelope membrane dynamics using stroma associated fluorescent marker. Our results indicated a clear increase in the number of stroma-filled tubular structures deriving from the plastid membrane (stromules) in the close proximity of the site of mite leaf damage, highlighting the importance of chloroplast-derived signals in the response to TSSM feeding activity. PMID- 29210004 TI - A mathematical model of recurrent spreading depolarizations. AB - A detailed biophysical model for a neuron/astrocyte network is developed in order to explore mechanisms responsible for the initiation and propagation of recurrent cortical spreading depolarizations. The model incorporates biophysical processes not considered in the earlier models. This includes a model for the Na+-glutamate transporter, which allows for a detailed description of reverse glutamate uptake. In particular, we consider the specific roles of elevated extracellular glutamate and K+ in the initiation, propagation and recurrence of spreading depolarizations. PMID- 29210005 TI - The novel role of IL-37 in prostate cancer: evidence as a promising radiosensitizer. AB - Prostate cancer (PCa) is the most common non-cutaneous cancer in men in the USA. Radiation therapy (RT) is widely considered the standard treatment for PCa. IL-37 is an IL-1 family member, and it has been extensively studied in immunity. However, no studies have been done regarding its potential as a radiosensitizer. This study is designed to investigate the direct effect of IL-37 on growth of DU145 and PC-3, two widely studied PCa cell lines, and to investigate whether IL 37 could be used as a radiosensitizer for PCa. Clonogenic survival and quick cell proliferation assays along with immunohistochemistry, TUNEL staining, and caspace 3 activity assay kits as well as RT-PCR were used in this study. Our results showed that IL-37 has little direct effect on growth of PCa. However, IL-37/RT enhanced RT-induced inhibition of cell proliferation and apoptosis in both cell lines. We further found that IL-37/RT upregulated the mRNA expression of p27, Fas, and Bax, while downregulating the mRNA expression of cdk2 in DU145 cells. These findings suggest that IL-37 has the potential to be used as a radiosensitizer for PCa and warrants further investigation. PMID- 29210006 TI - Triiodothyronine differentially modulates the LH and FSH synthesis and secretion in male rats. AB - Hypothyroidism and thyrotoxicosis produce adverse effects in male reproduction by unknown mechanisms. We investigated whether triiodothyronine (T3) modulates luteinizing hormone (LH) and follicle stimulating hormone (FSH) synthesis/secretion, by inducing different thyroid states. In hypothyroidism, the content of Lhb and Fshb mRNAs was increased, while their association to ribosomes and the protein content were reduced and the serum LH and FSH concentrations were augmented and decreased, respectively. Thyrotoxicosis reduced Lhb mRNA and LH serum concentration, and increased Lhb mRNA translational rate. The Fshb mRNA content and its association to ribosomes were also increased, whereas FSH serum concentrations were comparable to euthyroid levels. Acute T3 treatment decreased the total content of Lhb and Fshb mRNAs, and increased their association to ribosomes, as well as the LHB and FSHB contents in secretory granules. This study shows that T3 acts on gonadotrophs, resulting in direct effects on LH and FSH synthesis/secretion of male rats, suggesting that some reproductive disorders observed in men may be associated with thyroid hormone imbalances. PMID- 29210007 TI - Bilateral is superior to unilateral varicocelectomy in infertile males with left clinical and right subclinical varicocele: a prospective randomized controlled study. AB - PURPOSE: The purpose of this study is to compare the effect of bilateral versus unilateral varicocelectomy on seminal response and spontaneous pregnancy rates in infertile male patients with left clinical and right subclinical varicocele. METHODS: A total of 358 infertile men with left clinical and right subclinical varicocele were randomized to group that underwent bilateral (n = 179) and group that underwent unilateral microsurgical subinguinal varicocelectomy (n = 179). Baseline data regarding male age, female partner age, grade of varicocele body mass index, bilateral testicular volume and serum follicle-stimulating hormone, luteinizing hormone, total testosterone levels and infertility duration and semen parameters were gathered. One year after the surgery, semen parameters including sperm volume, sperm concentration, normal sperm morphology, progressive motility and sperm DNA fragmentation index were recorded and any pregnancy was also documented via telephone calls and hospital visits. RESULTS: We found the baseline characteristics were comparable between the two groups. The seminal parameters had significant improvements 1 year postoperatively in both groups. However, the bilateral group showed significantly greater improvements than the unilateral group in sperm concentration, normal sperm morphology and progressive motility. Besides, the pregnancy rate was statistically higher in the bilateral group after the surgery (42.5 versus 26.0%, bilateral versus unilateral group). CONCLUSION: In conclusion, our study indicated that bilateral is superior to unilateral varicocelectomy in infertile males with left clinical and right subclinical varicocele, which is associated with greater improvements in sperm concentration, normal sperm morphology and progressive motility and spontaneous pregnancy rate after the surgery. PMID- 29210008 TI - Development and surgical removal of an epiretinal membrane in infantile nystagmus syndrome: a new type of oscillopsia. AB - PURPOSE: To report and discuss a focal oscillopsia in a small area of the visual field produced by, and after the removal of, an epiretinal membrane (ERM) in an individual with infantile nystagmus syndrome (INS) since birth with no associated afferent visual deficits. STUDY DESIGN: A retrospective case report. METHODS: A chart review, including clinical and electrophysiological data. A 74 y/o man with INS and an epiretinal membrane was studied. Detailed studies of the retina post removal of an epiretinal membrane, with consequent changes in best-corrected visual acuity (BCVA), and subjective oscillopsia compared to INS waveforms. OCT measurements and eye-movement data from digital video and scleral search-coil systems were used. RESULTS: The monocular ERM produced an unexpected focal area of torsional/vertical oscillopsia (noted 1 year prior to the ERM surgery) in the portion of the visual field that corresponded with distortions from the ERM. The remainder of the visual field, corresponding with normal healthy retina was unaffected and stable in all planes. Post-removal, BCVA improved with redevelopment of the foveal pit and focal oscillopsia became less noticeable but remained due to the retinal distortion. CONCLUSIONS: In patients with INS, complete oscillopsia suppression across the visual field requires undistorted vision. If a retinal area of visual distortion develops or results from retinal surgery, a symptomatic island of oscillopsia in one or more planes may result. PMID- 29210009 TI - Influence of comorbidities on the implementation of the fundus examination in patients with newly diagnosed type 2 diabetes. AB - AIMS: To investigate the influence of comorbidities on undergoing a diabetic eye examination in patients with newly diagnosed type 2 diabetes mellitus (T2DM). DESIGN: Retrospective cohort study METHODS: This was a retrospective cohort study using data from health insurance claims made between January 2005 and March 2013 in Japan. The primary outcome was implementation of the fundus examination that includes fundus photography, ophthalmoscopy and optical coherence tomography by a doctor within one year of initial drug therapy for Type2 Diabetes Mellitus (T2DM). We used multivariable logistic regression models with adjustment for demographic parameters to investigate the influence of comorbidities (hypertension and/or hyperlipidemia) on patients with T2DM receiving fundus examinations. We conducted an additional analysis to investigate whether the site of treatment might influence the performance of fundus examinations in patients with T2DM. RESULTS: A total of 6,492 patients were eligible for this analysis, of which 1,044 (16.1%) had comorbidities and 2,212 (34.1%) received the fundus examination. In the multivariable analysis, there was a significant association between comorbidities and a lower proportion of examination implementation (odds ratio [OR], 0.57; 95% confidence interval [CI], 0.48-0.68; P<0.001). The implementation proportion for patients treated for comorbidities and T2DM in the same facility was also low (OR, 0.52; 95% CI, 0.43-0.63; P<0.001). CONCLUSIONS: These results suggest that the proportion of taking fundus examination is low among patients with comorbidities, especially in patients treated at the same facility for comorbidities and T2DM. This may help to increase the proportion of T2DM patients receiving fundus examinations. PMID- 29210011 TI - N-of-1 Randomized Trials of Ultra-Micronized Palmitoylethanolamide in Older Patients with Chronic Pain. AB - BACKGROUND: Ultra-micronized palmitoylethanolamide (um-PEA) represents an attractive option for chronic pain control in complex older patients at higher risk of adverse effects with traditional analgesics. OBJECTIVE: The aim of this study was to determine the effectiveness of um-PEA versus placebo on chronic pain intensity and function in individual geriatric patients. DESIGN: We performed randomized, blinded N-of-1 trials with two 3-week um-PEA versus placebo comparisons, separated by 2-week washout periods. PARTICIPANTS: The study included outpatients aged >= 65 years with chronic, non-cancer, non-ischemic pain in the back, joints, or limbs. INTERVENTION: Patients were randomized to Um-PEA 600 mg or placebo twice daily. MEASUREMENTS: Pain intensity was measured using an 11-point visual numeric scale. Functional impairment was measured using a Back Pain Functional Scale. Impact of each N-of-1 trial was measured on the clinician's intention to treat and confidence. RESULTS: Ten of 11 eligible patients consented over 7 months [all female, mean age 83.2 years (SD 4.6)]. Three patients interrupted the trial: one had diarrhea (under placebo), one for low adherence, and one for intercurrent pneumonia. A small statistically significant effect in favor of um-PEA was seen at the mixed method analyses in two patients (effect size equal to 8% of the baseline pain). A statistically significant impact on function was found in one patient. After the trial, um-PEA was prescribed to four patients; in two patients the clinician changed their pre trial intention to treat; the clinician confidence in the treatment plan either increased (5) or remained the same (2). CONCLUSIONS: Our experience confirmed that N-of-1 trials may help make personalized evidence-based decisions in complex older patients, with special feasibility considerations. CLINICALTRIALS.GOV: NCT02699281. PMID- 29210013 TI - Transactions of the Linnean. PMID- 29210012 TI - The invisibility of fisheries in the process of hydropower development across the Amazon. AB - We analyze the invisibility of fisheries and inadequacy of fishers' participation in the process of hydropower development in the Amazon, focusing on gaps between legally mandated and actual outcomes. Using Ostrom's institutional design principles for assessing common-pool resource management, we selected five case studies from Brazilian Amazonian watersheds to conduct an exploratory comparative case-study analysis. We identify similar problems across basins, including deficiencies in the dam licensing process; critical data gaps; inadequate stakeholder participation; violation of human rights; neglect of fishers' knowledge; lack of organization and representation by fishers' groups; and lack of governmental structure and capacity to manage dam construction activities or support fishers after dam construction. Fishers have generally been marginalized or excluded from decision-making regarding planning, construction, mitigation, compensation, and monitoring of the social-ecological impacts of hydroelectric dams. Addressing these deficiencies will require concerted investments and efforts by dam developers, government agencies and civil society, and the promotion of inter-sectorial dialogue and cross-scale participatory planning and decision-making that includes fishers and their associations. PMID- 29210010 TI - Management of diabetic macular edema in Japan: a review and expert opinion. AB - Diabetic retinopathy is a frequent cause of visual impairment in working-age adults (>= 30 years) and in Japan is most commonly observed in those aged 50-69 years. Diabetic macular edema (DME) is one of the main causes of vision disturbance in diabetic retinopathy, which is a clinically significant microvascular complication of diabetes. Anti-vascular endothelial growth factor (VEGF) therapy is becoming the mainstay of treatment for DME. However, to achieve sustained long-term improvement in visual acuity, conventional laser photocoagulation, vitrectomy and steroid therapy are also expected to play a role in the treatment of DME. This review summarizes the epidemiology and pathology of diabetic retinopathy and DME, evaluates the findings regarding the diagnosis and treatment of DME, and underscores the importance of systemic management of the disease in the context of the current health care situation in Japan. Finally, the unmet needs of patients with DME and prospects for research are discussed. The weight of evidence suggests that it is important to establish a multipronged treatment strategy centered on anti-VEGF therapy. PMID- 29210014 TI - Scoping review of response shift methods: current reporting practices and recommendations. AB - BACKGROUND: Response shift (RS) has been defined as a change in the meaning of an individual's self-evaluation of his/her health status and quality of life. Several statistical model- and design-based methods have been developed to test for RS in longitudinal data. We reviewed the uptake of these methods in patient reported outcomes (PRO) literature. METHODS: CINHAHL, EMBASE, Medline, ProQuest, PsycINFO, and Web of Science were searched to identify English-language articles about RS published until 2016. Data on year and country of publication, PRO measure adopted, RS detection method, type of RS detected, and testing of underlying model assumptions were extracted from the included articles. RESULTS: Of the 1032 articles identified, 101 (9.8%) articles were included in the study. While 54.5 of the articles reported on the Then-test, 30.7% of the articles reported on Oort's or Schmitt's structural equation modeling (SEM) procedure. Newer RS detection methods, such as relative importance analysis and random forest regression, have been used less frequently. Less than 25% reported on testing the assumptions underlying the adopted RS detection method(s). CONCLUSIONS: Despite rapid methodological advancements in RS research, this review highlights the need for further research about RS detection methods for complex longitudinal data and standardized reporting guidelines. PMID- 29210015 TI - Internet use, social networks, loneliness, and quality of life among adults aged 50 and older: mediating and moderating effects. AB - BACKGROUND: The increase in longevity of people on one hand, and on the other hand the fact that the social networks in later life become increasingly narrower, highlights the importance of Internet use to enhance quality of life (QoL). However, whether Internet use increases or decreases social networks, loneliness, and quality of life is not clear-cut. PURPOSES: To explore the direct and/or indirect effects of Internet use on QoL, and to examine whether ethnicity and time the elderly spent with family moderate the mediation effect of Internet use on quality of life throughout loneliness. METHODS: This descriptive correlational study was carried out in 2016 by structured interviews with a convenience sample of 502 respondents aged 50 and older, living in northern Israel. Bootstrapping with resampling strategies was used for testing mediation a model. RESULTS: Use of the Internet was found to be positively associated with QoL. However, this relationship was mediated by loneliness, and moderated by the time the elderly spent with family members. In addition, respondents' ethnicity significantly moderated the mediation effect between Internet use and loneliness. CONCLUSIONS: Internet use can enhance QoL of older adults directly or indirectly by reducing loneliness. However, these effects are conditional on other variables. The indirect effect moderated by ethnicity, and the direct effect moderated by the time the elderly spend with their families. Researchers and practitioners should be aware of these interactions which can impact loneliness and quality of life of older persons differently. PMID- 29210016 TI - Amphibiophilus mooiensis n. sp. (Nematoda: Amphibiophilidae), a parasite of Amietia delalandii (Dumeril & Bibron) (Amphibia: Pyxicephalidae) from South Africa. AB - Four species of the genus Amphibiophilus Skrjabin, 1916 from pyxycephalid frogs in southern and central Africa are currently recognised as valid. Several specimens of Amphibiophilus were found in material from the common river frog, Amietia delalandii (Dumeril & Bibron) (Amphibia: Pyxicephalidae), collected in Potchefstroom (North-West Province, South Africa). These specimens clearly differ from all previously known species by the shape of the distal end of the spicule, the shape of the gubernaculum and the structure of the synlophe. They are, thus, considered as a new species, Amphibiophilus mooiensis. As all other species in the family Amphibiophilidae Durette-Desset & Chabaud, 1981, A. mooiensis n. sp. possesses a number of archaic characters, such as a buccal capsule with a well developed dorsal oesophageal tooth, six inner labial papillae, six outer labial papillae and four cephalic papillae. Molecular data (cox1 and ITS-28S rDNA sequences) are provided and host and geographical specificity are discussed. PMID- 29210017 TI - Vampirolepis kulkinae n. sp. (Cyclophyllidea: Hymenolepididae) from the common noctule bat Nyctalus noctula (Schreber) (Chiroptera: Vespertilionidae) in Kazakhstan. AB - A previously unrecognised species of hymenolepidid cestode attributable to Vampirolepis Spassky, 1954 is described based on specimens from the common noctule bat Nyctalus noctula (Schreber) (Chiroptera: Vespertilionidae) from southeastern Kazakhstan (Dzungarian Alatau). Specimens of Vampirolepis kulkinae n. sp. differ from the morphologically similar congeners based on the number, size and shape of the rostellar hooks. The new species is further distinguished from additional cestodes attributed to Vampirolepis (sensu lato) by the arrangement of the testes in one row, egg structure (i.e. thin outer coat and emryophore without polar filaments) and the relative position and length of the cirrus-sac. This is the first species of the genus Vampirolepis described from Kazakhstan. PMID- 29210018 TI - Descriptions of two new species of feather mites (Acarina: Psoroptidia: Pteronyssidae) from Ivory Coast. AB - Two new feather mite species of the family Pteronyssidae Oudemans, 1941 collected from birds captured in Ivory Coast are described: Pteronyssoides cyanomitrae n. sp. from Cyanomitra obscura (Jardine) (Passeriformes: Nectariniidae) and Conomerus pygmaeus n. sp. from Hylia prasina (Cassin) (Passeriformes: Macrosphenidae). Pteronyssoides cyanomitrae n. sp. belongs to the nectariniae species group and differs from the closest species, P. garioui Gaud & Mouchet, 1959, in having, in males, the adanal shield present and setae f longer than setae d on the tarsus III; females of this species have the hysteronotal shield with two small median incisions on the anterior margin barely extending beyond the level of setae e2. Conomerus pygmaeus n. sp. is the first species of this genus found on a passerine host, and seems to be more similar to C. sclerosternus Gaud, 1990. This new species has the following distinctive characters: in females, the opisthosoma has small lobe-like extensions and the central sclerite is fused posteriorly with the lateral opisthosomal sclerites; in males, coxal fields I-IV lack large sclerotised areas. PMID- 29210019 TI - Pathology of stent implantation in internal mammary artery. AB - The internal mammary artery (IMA) is the most durable conduit for bypassing the left anterior descending (LAD) coronary artery in patients undergoing coronary artery bypass graft surgery (CABG). However, little is known about how the IMA reacts histologically to stent implantation. From CVPath stent registry (1048 lesions, 614 cases), we obtained 4 stent lesions (2 bare metal stents, 2 drug eluting stents) involving IMA grafts. The mean age of our patients was 63 years and the duration of stent implantation in the IMA ranged from 5 days to 5 years. Stented arteries were dissected from hearts and embedded in plastic, segmented at 3 mm intervals, sectioned at 4-6 microns and stained with H&E and Movat pentachrome stains. Histological observations were performed. Majority of stents (3 of 4) were implanted in anastomosis between IMA and LAD while 1 stent was implanted in IMA body. One stent with duration of 5 days showed stent thrombosis while others were all patent with fully coverage by varying degrees of neointima. Foamy macrophage, lipid pool and calcification in neointima were observed in 1 stent with duration of 5 years but it was limited only to the distal LAD part within the stented segment. Overall, in this small pathologic series, the majorities of stents were implanted in IMA-to-LAD anastomosis site and demonstrated acceptable pathologic responses. PMID- 29210020 TI - Effects of visual and cognitive interference on joint contributions in perturbed standing: a temporal and spectral analysis. AB - Postural balance requires using joint strategies which may be changed from normal conditions by interfering with the sensory information. The goal of the present study was to quantitatively evaluate the role of the joint mechanisms during perturbed stance. Visual and cognitive interference was imposed to sixteen healthy young males under rotational toes-down or up perturbations. Power spectral analysis was employed to distinguish the joint contribution and their in or out-phase co-works. Results showed that addition of cognitive loads reduce the stability by increasing the center of mass (CoM) power to three times greater. Besides the CoM, the knee and hip powers were also significantly enhanced by the cognitive loads (p < .004), but the ankle was not influenced by cognition involvement (p > .05). Elimination of the vision had lower effect on the time and spectral functions of the knee and hip while the ankle rotations were increased due to the lack of visual feedback (p = .001). The toes-down perturbations resulted in more prominent contribution of the knee while the toes up evoked the hip joint to keep the balance more than the other joints. Addition of the cognitive loads hindered the reactions of the joint mechanisms and vision caused more conservative responses of the joints. PMID- 29210021 TI - Design and Operation of the Transformed National Healthy Start Evaluation. AB - Purpose Improving pregnancy outcomes for women and children is one of the nation's top priorities. The Healthy Start (HS) program was created to address factors that contribute to high infant mortality rates (IMRs) and persistent disparities in IMRs. The program began in 1991 and was transformed in 2014 to apply lessons from emerging research, past evaluation findings, and expert recommendations. To understand the implementation and impact of the transformed program, there is a need for a robust and comprehensive evaluation. Description The national HS evaluation will include an implementation evaluation, which will describe program components that affect outcomes; a utilization evaluation, which will examine the characteristics of women and infants who did and did not utilize the program; and an outcome evaluation, which will assess the program's effectiveness with regard to producing expected outcomes among the target population. Data sources include the National HS Program Survey, a HS participant survey, and individual-level program data linked to vital records and the Pregnancy Risk Assessment Monitoring System (PRAMS) survey. Assessment Descriptive analyses will be used to examine differences in risk profiles between participants and non-participants, as well as to calculate penetration rates for high-risk women in respective service areas. Multivariable analyses will be used to determine the impact of the program on key outcomes and will explore variation by dose, type of services received, and grantee characteristics. Conclusion Evaluation findings are expected to inform program decisions and direction, including identification of effective program components that can be spread and scaled. PMID- 29210027 TI - Erratum to: PI3K Signaling in Normal B Cells and Chronic Lymphocytic Leukemia (CLL). PMID- 29210022 TI - Trochleoplasty procedures show complication rates similar to other patellar stabilizing procedures. AB - PURPOSE: Trochleoplasty aims to restore patellar stability. Various techniques have been described and almost all authors report successful results. However, the procedure has a significant risk of complications. Purpose of this study was to perform a systematic review and meta-analysis of the available literature to assess the rate of complications after the various techniques used for trochleoplasty procedures. MATERIALS AND METHODS: MEDLINE, EMBASE, Web of Science and Cochrane Library databases were searched. Studies on patients with recurrent patellar instability treated with a trochleoplasty with or without additional procedure, and reported complications were included. The primary outcome was the rate of complications per technique. A meta-analysis was performed whenever three or more studies per surgical technique could be included. RESULTS: The selection process resulted in 20 studies included for analysis. A lateral facet elevating trochlear osteotomy was reported by two studies, ten studies reported on a Bereiter trochleoplasty, five on a Dejour trochleoplasty, one on an arthroscopic technique, one on a 'modified' technique and one on a recession wedge trochleoplasty. Meta-analysis showed that proportion of recurrent dislocation was 0.04 (95% CI 0.02-0.07) for Bereiter trochleoplasty and 0.02 (95% CI 0-0.08) for Dejour trochleoplasty. These proportions were 0.06 (95% CI 0.02-0.13) and 0.09 (95% CI 0.03-0.27) for recurrent instability, 0.07 (95% CI 0.02-0.19) and 0.12 (95% CI 0.00-0.91) for patellofemoral osteoarthritis and 0.08 (95% CI 0.04-0.14) and 0.20 (95% CI 0.11-0.32) for further surgery respectively. CONCLUSION: This study demonstrates that the complications after a Bereiter and Dejour trochleoplasty including additional procedures are in the range of those of other patellar stabilizing procedures. For four other techniques, no meta-analysis could be performed. The clinical relevance of this study is that it provides clinicians with the best currently available evidence on the rate of complications after trochleoplasty procedures. This can be helpful in the process of deciding whether or not to perform such a procedure, and can be used to better inform patients about the advantages and disadvantages of different trochleoplasty procedures. LEVEL OF EVIDENCE: Level IV. PMID- 29210028 TI - Antimicrobial peptides sourced from post-butter processing waste yak milk protein hydrolysates. AB - Yak butter is one of the most important foods for the Tibetan people. Of note, its production yields waste yak milk as a by-product. In this work, waste yak milk protein hydrolysates made via Pepsin hydrolysis were shown to have antimicrobial activity. Furthermore, an innovative method of magnetic liposome adsorption combined with reversed-phase high performance liquid chromatography (RP-HPLC) was developed to screen for and purify the antimicrobial peptides. Two antimicrobial peptides were obtained and their amino acid sequences were determined by N-sequencing, namely Arg-Val-Met-Phe-Lys-Trp-Ala and Lys-Val-Ile Ser-Met-Ile. The antimicrobial activity spectra of Arg-Val-Met-Phe-Lys-Trp-Ala included Bacillus subtilis, Staphylcoccus aureus, Listeria innocua, Escherichia coli, Enterobacter cloacae and Salmonella paratyphi, while the Lys-Val-Ile-Ser Met-Ile peptide shows not only bacterial growth inhibition but also of fungi. Haemolytic testing suggested that these two antimicrobial peptides could be considered to have no haemolytic effect at their minimum inhibitory concentrations (MICs). PMID- 29210029 TI - Photoacoustic spectroscopy applied to the direct detection of bioactive compounds in Agaricus brasiliensis mycelium. AB - This paper describes the application of the photoacoustic spectroscopic (PAS) for detection of bioactive compounds in Agaricus brasiliensis mycelium. The mycelium was cultivated by solid-state fermentation and by submerged fermentation. Vegetal residues from food industry were used as substrates for fermentation: apple pomace (Malus domestica), wheat (Triticum aestivum), peel and pomace of pineapple (Ananas comosus), malt (Hordeum vulgare) and grape pomace (Vitis vinifera). Dry and ground samples of biomass were directly put into the PA cell. The optical absorption spectra indicated the existence of three main absorption bands: one around 280 nm related to phytosterols (ergosterol), phenolic acids, flavonoids and aromatic amino acids, another at 340 nm, due to phenolic and flavonoid compounds, and the third one at around 550 nm associated with anthocyanins and anthocyanidins. A correlation between the PA signal and the total phenolic content was satisfactory, as well as for the analyzed spectrum region (270 nm up to 1000 nm), using multivariate methods. Our results indicated that PA technique may be considered as an analytical tool to quickly detect bioactive compounds in mushrooms without the need of sample pretreatment. PMID- 29210031 TI - Adjuvant Statin Therapy for Esophageal Adenocarcinoma: A Cost-Utility Analysis. AB - BACKGROUND: Emerging preclinical evidence indicates statins, medications commonly used in the prevention of cardiovascular disease (CVD), inhibit proliferation, promote apoptosis and limit invasiveness of esophageal adenocarcinoma (EAC). Population-based observational data demonstrate statin treatment after diagnosis of EAC is associated with significant reductions in all-cause and cancer-specific mortality. A feasibility study of adjuvant statin therapy following potentially curative resection for EAC has been completed, with planned progression to a full phase III, randomized controlled trial. OBJECTIVE: The aim was to estimate the cost-utility of statin therapy following surgical resection for EAC from a UK National Health Service (NHS) perspective. METHODS: A Markov model was developed to estimate the costs and outcomes [quality-adjusted life years (QALYs)] for hypothetical cohorts of patients with EAC exposed or not exposed to statins following potentially curative surgical resection. Model parameters were based on estimates from published observational and trial data. Costs, utilities and transition probabilities were modeled to reflect clinical practice from a payer's perspective. Probabilistic and one-way sensitivity analyses were performed to account for uncertainty in key parameters. RESULTS: Overall, a cost saving of L6781 per patient was realized with statin treatment compared to no statins. In probabilistic sensitivity analysis, 99% of all iterations were cost saving and 99% of all iterations were less than L20,000 per QALY gained. These results were robust to changes in the price and effectiveness of statins. CONCLUSIONS: The cohort exposed to statins had lower costs and better QALY outcomes than the no statin cohort. Assuming a causal improvement in disease outcomes following resection for EAC, statin therapy is very likely to be a cost-saving treatment. PMID- 29210032 TI - Seeking and reporting apparent research misconduct: errors and integrity - a reply. PMID- 29210030 TI - Pharmacologic prevention of variceal bleeding and rebleeding. AB - BACKGROUND: Variceal bleeding is a major complication of portal hypertension, which is associated with significant mortality. Moreover, patients surviving a variceal bleeding episode have very high risk of rebleeding, which is associated with mortality as high as that of the first bleed. Because of this, prevention of bleeding from gastroesophageal varices has been one of the main therapeutic goals since the advent of the first effective therapies for portal hypertension. AIM: This review deals with the present day state-of-the-art pharmacological prevention of variceal bleeding in primary and secondary prophylaxis. RESULTS: Pharmacological therapy aims to decrease portal pressure (PP) by acting on the pathophysiological mechanisms of portal hypertension such as increased hepatic vascular tone and splanchnic vasodilatation. Propranolol and nadolol block the beta-1 in the heart and the peripheral beta-2 adrenergic receptors. Beta-1 blockade of cardiac receptors reduces heart rate and cardiac output and subsequently decreases flow into splanchnic circulation. Beta-2 blockade leads to unopposed alpha-1 adrenergic activity that causes splanchnic vasoconstriction and reduction of portal inflow. Both effects contribute to reduction in PP. Carvedilol is more powerful in reducing hepatic venous pressure gradient (HVPG) than traditional nonselective beta-blockers (NSBBs) and achieves good hemodynamic response in nearly 75 % of cases. Simvastatin and atorvastatin improve endothelial dysfunction mainly by enhancing endothelial nitric oxide synthase (eNOS) expression and phosphorylation and NO production. In addition, statins deactivate hepatic stellate cells and ameliorate hepatic fibrogenesis. These effects cause a decrease in HVPG and improve liver microcirculation and hepatocyte perfusion in patients with cirrhosis. In addition, several promising drugs under development may change the management of portal hypertension in the coming years. CONCLUSION: This review provides a background on the most important aspects of the treatment of portal hypertension in patients with compensated and decompensated liver cirrhosis. However, despite the great improvement in the prevention of variceal bleeding over the last years, further therapeutic options are needed. PMID- 29210033 TI - Strategies for the prevention of airway complications - a narrative review. AB - Despite being infrequent, complications of airway management remain an important contributor to morbidity and mortality during anaesthesia and care of the critically ill. Developments in the last three decades have made anaesthesia safer, and this has been mirrored in the equipment and techniques available for airway management. Modern technology including novel oxygenation modalities, widespread availability of capnography, second-generation supraglottic airway devices and videolaryngoscopy provide the tools to make airway management safer still. However, technology will only take safety so far, and non-technical aspects of airway management are critically important for communication and decision making during airway crises, acknowledging a 'cannot intubate, cannot oxygenate' situation and transitioning to emergency front of neck airway. Randomised controlled trials provide little useful information about safety in this setting, and data from registries and databases are likely to be of more value. This narrative review focuses on recent evidence in this area. PMID- 29210034 TI - A novel wheeze. PMID- 29210035 TI - Seeking and reporting apparent research misconduct: errors and integrity - a reply. PMID- 29210036 TI - Moderate vs. deep neuromuscular blockade and monitoring. PMID- 29210037 TI - Medical gas cylinder expiry dates - a reply. PMID- 29210038 TI - Sugammadex advice for women of childbearing age. PMID- 29210039 TI - Seeking and reporting apparent research misconduct: errors and integrity. PMID- 29210040 TI - Patient emergence - statistical questions. PMID- 29210042 TI - Medical gas cylinder expiry dates. PMID- 29210041 TI - Coding for anaesthetic and peri-operative practice. PMID- 29210044 TI - Patient emergence - statistical questions: a reply. PMID- 29210045 TI - Surgery or in vitro fertilization: The simplicity of this question belies its complexity. AB - Unlike surgery, assisted reproduction, particularly in vitro fertilisation (IVF), requires a low skill base, is largely practitioner independent, is highly effective, quality controlled, reproducible and consistent in the management of endometriosis-associated infertility. Ultimately, however, the decision to proceed to IVF or surgery is dependent on the woman, her reproductive expectations, her specific disease pattern, her support and family network and the resources available in a given health care setting. PMID- 29210043 TI - Accidental awareness during general anaesthesia - a narrative review. AB - Unintended accidental awareness during general anaesthesia represents failure of successful anaesthesia, and so has been the subject of numerous studies during the past decades. As return to consciousness is both difficult to describe and identify, the reported incidence rates vary widely. Similarly, a wide range of techniques have been employed to identify cases of accidental awareness. Studies which have used the isolated forearm technique to identify responsiveness to command during intended anaesthesia have shown remarkably high incidences of awareness. For example, the ConsCIOUS-1 study showed an incidence of responsiveness around the time of laryngoscopy of 1:25. On the other hand, the 5th Royal College of Anaesthetists National Audit Project, which reported the largest ever cohort of patients who had experienced accidental awareness, used a system to identify patients who spontaneously self-reported accidental awareness. In this latter study, the incidence of accidental awareness was 1:19,600. In the recently published SNAP-1 observational study, in which structured postoperative interviews were performed, the incidence was 1:800. In almost all reported cases of intra-operative responsiveness, there was no subsequent explicit recall of intra-operative events. To date, there is no evidence that this occurrence has any psychological consequences. Among patients who experience accidental awareness and can later remember details of their experience, the consequences are better known. In particular, when awareness occurs in a patient who has been given neuromuscular blocking agents, it may result in serious sequelae such as symptoms of post-traumatic stress disorder and a permanent aversion to surgery and anaesthesia, and is feared by patients and anaesthetists. In this article, the published literature on the incidence, consequences and management of accidental awareness under general anaesthesia with subsequent recall will be reviewed. PMID- 29210047 TI - Re. recent publications by Adams et al. and Biro et al. PMID- 29210048 TI - Authors' reply. PMID- 29210049 TI - Reply to 'Response to Current barriers and potential strategies to increase the use of long-acting reversible contraception (LARC) to reduce the rate of unintended pregnancies in Australia: An expert roundtable discussion'. PMID- 29210050 TI - In response to: Current barriers and potential strategies to increase the use of long-acting reversible contraception to reduce the rate of unintended pregnancies in Australia: An expert roundtable discussion. PMID- 29210051 TI - Authors' reply. PMID- 29210052 TI - Neoadjuvant chemotherapy for advanced epithelial ovarian cancer. Who really benefits? PMID- 29210053 TI - Food groups and risk of colorectal cancer. AB - The aim of this systematic review and meta-analysis was to summarize the evidence on the relationship between intake of 12 major food groups, including whole grains, refined grains, vegetables, fruit, nuts, legumes, eggs, dairy, fish, red meat, processed meat and sugar-sweetened beverages with risk of colorectal cancer (CRC). We conducted a systematic search in PubMed and Embase for prospective studies investigating the association between these 12 food groups and risk of CRC until April 2017. Summary risk ratios (RRs) and 95% confidence intervals (95% CI) were estimated using a random effects model for high vs. low intake categories, as well as for linear and nonlinear relationships. An inverse association was observed for whole grains (RR30g/d : 0.95, 95% CI 0.93, 0.97; n = 9 studies), vegetables (RR100g/d : 0.97, 95% CI 0.96, 0.98; n = 15), fruit (RR100g/d : 0.97, 95% CI 0.95, 0.99; n = 16) and dairy (RR200g/d : 0.93, 95% CI 0.91, 0.94; n = 15), while a positive association for red meat (RR100g/d : 1.12, 95% CI 1.06, 1.19; n = 21) and processed meat (RR50g/d : 1.17, 95% CI 1.10, 1.23; n = 16), was seen in the linear dose-response meta-analysis. Some evidence for nonlinear relationships was observed between vegetables, fruit and dairy and risk of colorectal cancer. Findings of this meta-analysis showed that a diet characterized by high intake of whole grains, vegetables, fruit and dairy products and low amounts of red meat and processed meat was associated with lower risk of CRC. PMID- 29210054 TI - A comparison of DSM-5 and ICD-11 PTSD prevalence, comorbidity and disability: an analysis of the Ukrainian Internally Displaced Person's Mental Health Survey. AB - OBJECTIVE: Recently, the American Psychiatric Association (DSM-5) and the World Health Organization (ICD-11) have both revised their formulation of post traumatic stress disorder (PTSD). The primary aim of this study was to compare DSM-5 and ICD-11 PTSD prevalence and comorbidity rates, as well as the level of disability associated with each diagnosis. METHOD: This study was based on a representative sample of adult Ukrainian internally displaced persons (IDPs: N = 2203). Post-traumatic stress disorder prevalence was assessed using the PTSD Checklist for DSM-5 and the International Trauma Questionnaire (ICD-11). Anxiety and depression were measured using the Generalized Anxiety Disorder Scale and the Patient Health Questionnaire-Depression. Disability was measured using the WHO Disability Assessment Schedule 2.0. RESULTS: The prevalence of DSM-5 PTSD (27.4%) was significantly higher than ICD-11 PTSD (21.0%), and PTSD rates for females were significantly higher using both criteria. ICD-11 PTSD was associated with significantly higher levels of disability and comorbidity. CONCLUSION: The ICD-11 diagnosis of PTSD appears to be particularly well suited to identifying those with clinically relevant levels of disability. PMID- 29210055 TI - Patient-Centered Reverse Translation. PMID- 29210056 TI - Utility of a Precision Medicine Test in Elderly Adults with Symptoms Suggestive of Coronary Artery Disease. AB - BACKGROUND: Diagnosing obstructive coronary artery disease (CAD) is challenging in elderly adults, and current diagnostic approaches for CAD expose these individuals to risks from contrast dye and invasive procedures. DESIGN: A Registry to Evaluate Patterns of Care Associated with the Use of Corus CAD in Real World Clinical Care Settings (PRESET; NCT01677156), pragmatic clinical trial. SETTING: Community, 21 primary care practices. PARTICIPANTS: Of 566 stable, nonacute outpatients presenting with symptoms suggestive of obstructive CAD, the 176 who were aged 65 and older (median age 70, 61% female) were the current study participants. INTERVENTION: Blood-based precision medicine test, incorporating age, sex, and gene expression score (ASGES) to improve clinical decision-making and quality of care. MEASUREMENTS: Information on demographic characteristics, clinical factors, ASGES results (range 1-40; low (<=15), high (>15)), referral patterns to cardiology and advanced cardiac testing, and major adverse cardiac events (MACEs) was collected in a subgroup analysis of elderly adults in the PRESET Registry. Follow-up was for 1 year after ASGES testing. RESULTS: Median ASGES was 25, and 40 (23%) participants had a low score. Clinicians referred 12.5% of participants with a low ASGES and 49.3% with a high ASGES to cardiology or advanced cardiac testing (odds ratio for referral = 0.12, P < .001, adjusted for participants demographics and clinical covariates). Higher scores were associated with greater likelihood of posttest cardiac referral. At 1 year follow-up, the incidence of a MACE or revascularization was 10% (13/136) in the high ASGES group and 0% (0/40) in the low ASGES group (P = .04). CONCLUSION: The ASGES test showed potential clinical utility in the evaluation of elderly outpatients with symptoms suggestive of obstructive CAD. Test use may reduce unnecessary referrals and the risk of procedure-related complications in individuals with low ASGES, who are unlikely to benefit from further testing, while also identifying individuals who may benefit from further cardiac evaluation and management. PMID- 29210057 TI - A functional polymorphism in TFF1 promoter is associated with the risk and prognosis of gastric cancer. AB - Trefoil Factor 1 (TFF1, also named pS2), which serves as the gastrointestinal mucosal protector, is known as gastric-specific tumor suppressor gene. However, the genetic variants of TFF1 are still not well studied. In our study, we aim to explore the effects of tagging single nucleotide polymorphisms (tagSNPs) of TFF1 on risk and prognosis of gastric cancer. Seven tagSNPs of TFF1 gene were first analyzed in the discovery set, which was consisted of 753 cases and 950 cancer free controls. Then, the validation set (940 cases and 1,042 controls) was used for further evaluation. Moreover, we also tested the relation between these tagSNPs and prognosis of gastric cancer (GC). A series of experiments were performed to investigate the underlying mechanisms. We found that rs3761376 AA in the promoter region of TFF1, could reduce the expression of TFF1 by affecting the binding affinity of estrogen receptor 1 (ESR1, ERalpha), and thereby increased the risk of GC (1.29, 1.08-1.53). Moreover, the rs3761376 AA genotype was also found associated with worse prognosis among patients receiving 5-FU based chemotherapy after surgery (1.71, 1.18-2.48). Further functional assays demonstrated that TFF1 could increase the chemosensitivity of 5-FU by modulating NF-kappaB targeted genes. These results identified the effect of rs3761376 on TFF1 expression, which accounted for the correlation with susceptibility and prognosis of GC; and this genetic variant may be a potential biomarker to predict the risk and survival of GC. PMID- 29210058 TI - Development and internal validation of the Simplified Mortality Score for the Intensive Care Unit (SMS-ICU). AB - BACKGROUND: Intensive care unit (ICU) mortality prediction scores deteriorate over time, and their complexity decreases clinical applicability and commonly causes problems with missing data. We aimed to develop and internally validate a new and simple score that predicts 90-day mortality in adults upon acute admission to the ICU: the Simplified Mortality Score for the Intensive Care Unit (SMS-ICU). METHODS: We used data from an international cohort of 2139 patients acutely admitted to the ICU and 1947 ICU patients with severe sepsis/septic shock from 2009 to 2016. We performed multiple imputations for missing data and used binary logistic regression analysis with variable selection by backward elimination, followed by conversion to a simple point-based score. We assessed the apparent performance and validated the score internally using bootstrapping to present optimism-corrected performance estimates. RESULTS: The SMS-ICU comprises seven variables available in 99.5% of the patients: two numeric variables: age and lowest systolic blood pressure, and five dichotomous variables: haematologic malignancy/metastatic cancer, acute surgical admission and use of vasopressors/inotropes, respiratory support and renal replacement therapy. Discrimination (area under the receiver operating characteristic curve) was 0.72 (95% CI: 0.71-0.74), overall performance (Nagelkerke's R2 ) was 0.19 and calibration (intercept and slope) was 0.00 and 0.99, respectively. Optimism corrected performance was similar to apparent performance. CONCLUSIONS: The SMS ICU predicted 90-day mortality with reasonable and stable performance. If performance remains adequate after external validation, the SMS-ICU could prove a valuable tool for ICU clinicians and researchers because of its simplicity and expected very low number of missing values. PMID- 29210059 TI - Ezrin mediates both HGF/Met autocrine and non-autocrine signaling-induced metastasis in melanoma. AB - Aberrant HGF/Met signaling promotes tumor migration, invasion, and metastasis through both autocrine and non-autocrine mechanisms; however, the molecular downstream signaling mechanisms by which HGF/Met induces metastasis are incompletely understood. We here report that Ezrin expression is stimulated by HGF and correlates with activated HGF/Met, indicating that HGF/Met signaling regulates the expression of Ezrin. We show that HGF/Met signaling activates the transcription factor Sp1 through the MAPK pathway, and activated Sp1 can in turn directly bind to the promoter of Ezrin gene and regulate its transcription. Notably, knockdown of Ezrin expression by shRNAs inhibits the metastasis induced by either HGF/Met autocrine or non-autocrine signaling in syngeneic wildtype and HGF transgenic mouse hosts. We also used small molecule drugs in preclinical mouse models to confirm that Ezrin is one of the downstream molecules mediating HGF/Met signaling-induced metastasis in melanoma. We conclude that Ezrin is a key downstream factor involved in the regulation of HGF/Met signaling-induced metastasis and demonstrate a link between Ezrin and HGF/Met/MAPK/Sp1 activation in the metastatic process. Our data indicate that Ezrin represents a promising therapeutic target for patients bearing tumors with activated HGF/Met signaling. PMID- 29210061 TI - The association with cardiovascular disease and type 2 diabetes in adults with atopic dermatitis: a systematic review and meta-analysis. AB - BACKGROUND: Recent studies examining the association between atopic dermatitis (AD) and cardiovascular disease (CVD) and type 2 diabetes have shown inconsistent results. OBJECTIVES: To carry out a systematic review and meta-analysis that examines the association with cardiovascular disease and type 2 diabetes in adults with AD. METHODS: We compared the risk of CVD and diabetes for adult patients with and without AD by searching the PubMed, Embase and Web of Science databases. Data extraction was carried out by two independent reviewers. We found a total of 2855 citations, of which 53 were considered relevant based on title and abstract. Overall, 16 publications were included in the qualitative analysis, of which 13 were also included in a quantitative meta-analysis of crude data. RESULTS: No association was observed between AD and unspecified but suspected type 2 diabetes [pooled odds ratio (OR) 1.11; 95% confidence interval (CI) 0.87 1.42], hypertension (pooled OR 1.16; 95% CI 0.98-1.37), stroke (pooled OR 1.15; 95% CI 0.95-1.39) or myocardial infarction (pooled OR 1.14; 95% CI 0.83-1.56), but a positive association was observed with angina pectoris (OR 1.73; 95% CI 1.27-2.37). Meta-analysis of adjusted data gave similar results. CONCLUSIONS: While adults with AD in some populations have an increased prevalence of cardiovascular risk factors, such as obesity and smoking, it is unlikely that AD represents an independent and clinically relevant risk factor for cardiometabolic disease. PMID- 29210062 TI - Incidence of hyperoxia and related in-hospital mortality in critically ill patients: a retrospective data analysis. AB - BACKGROUND: Mechanical ventilation with oxygen is life-saving, however, may result in hyperoxia. The aim was to analyse the incidence and duration of hyperoxia burden and related in-hospital mortality in critically ill patients. METHODS: Patients of all ages admitted to intensive care units (ICUs) and with mechanical ventilation for at least seven consecutive days were included in this single centre retrospective medical record audit. The main outcome measure was time-weighted arterial partial pressure of oxygen (PaO2 ) over 7 days. Logistic regression for association with in-hospital mortality and propensity score matching was performed. RESULTS: In total, 20,889 arterial blood gases of 419 patients were analysed. Time-weighted mean PaO2 was 14.0 +/- 2.4 kPa. Time weighted mean FiO2 was 49.2 +/- 12.1%. Seventy-six (18.1%) patients showed continuous hyperoxia exposure, defined as time-weighted mean PaO2 > 16 kPa. Duration of hyperoxia, hypoxia (PaO2 < 8 kPa) and normoxia (PaO2 8-16 kPa) were 37.9 +/- 31.0 h (23.7%), 4.9 +/- 9.5 h (3.1%), and 116.8 +/- 29.6 h (73.2%). Hyperoxia occurred especially at low to moderate FiO2 in patients of first and second age quartiles (1-57 years) with smaller SAPS2 score. In-hospital mortality of patients with hyperoxia (32.9%) or normoxia did not differ (35.9%; P = 0.691). Conditional logistic regression showed no association between hyperoxia and in hospital mortality (OR 1.46; 95%CI 0.72-2.96; P = 0.29). CONCLUSION: Substantial hyperoxia burden was observed in ICU patients. Young patients with less comorbidities showed hyperoxic episodes more often, especially with lower FiO2 . Hyperoxia during 7 days of mechanical ventilation did not correlate to increased in-hospital mortality. PMID- 29210060 TI - Genome-wide association study identifies the GLDC/IL33 locus associated with survival of osteosarcoma patients. AB - Survival rates for osteosarcoma, the most common primary bone cancer, have changed little over the past three decades and are particularly low for patients with metastatic disease. We conducted a multi-institutional genome-wide association study (GWAS) to identify germline genetic variants associated with overall survival in 632 patients with osteosarcoma, including 523 patients of European ancestry and 109 from Brazil. We conducted a time-to-event analysis and estimated hazard ratios (HR) and 95% confidence intervals (CI) using Cox proportional hazards models, with and without adjustment for metastatic disease. The results were combined across the European and Brazilian case sets using a random-effects meta-analysis. The strongest association after meta-analysis was for rs3765555 at 9p24.1, which was inversely associated with overall survival (HR = 1.76; 95% CI 1.41-2.18, p = 4.84 * 10-7 ). After imputation across this region, the combined analysis identified two SNPs that reached genome-wide significance. The strongest single association was with rs55933544 (HR = 1.9; 95% CI 1.5-2.4; p = 1.3 * 10-8 ), which localizes to the GLDC gene, adjacent to the IL33 gene and was consistent across both the European and Brazilian case sets. Using publicly available data, the risk allele was associated with lower expression of IL33 and low expression of IL33 was associated with poor survival in an independent set of patients with osteosarcoma. In conclusion, we have identified the GLDC/IL33 locus on chromosome 9p24.1 as associated with overall survival in patients with osteosarcoma. Further studies are needed to confirm this association and shed light on the biological underpinnings of this susceptibility locus. PMID- 29210064 TI - Normothermic machine perfusion for the assessment and transplantation of declined human kidneys from donation after circulatory death donors. AB - BACKGROUND: A significant proportion of donation after circulatory death (DCD) kidneys are declined for transplantation because of concerns over their quality. Ex vivo normothermic machine perfusion (NMP) provides a unique opportunity to assess the quality of a kidney and determine its suitability for transplantation. METHODS: In phase 1 of this study, declined human DCD kidneys underwent NMP assessment for 60 min. Kidneys were graded 1-5 using a quality assessment score (QAS) based on macroscopic perfusion, renal blood flow and urine output during NMP. In phase 2 of the study, declined DCD kidneys were assessed by NMP with an intention to transplant them. RESULTS: In phase 1, 18 of 42 DCD kidneys were declined owing to poor in situ perfusion. After NMP, 28 kidneys had a QAS of 1-3, and were considered suitable for transplantation. In phase 2, ten of 55 declined DCD kidneys underwent assessment by NMP. Eight kidneys had been declined because of poor in situ flushing in the donor and five of these were transplanted successfully. Four of the five kidneys had initial graft function. CONCLUSION: NMP technology can be used to increase the number of DCD kidney transplants by assessing their quality before transplantation. PMID- 29210063 TI - Opioid-induced inhibition of the human 5-HT and noradrenaline transporters in vitro: link to clinical reports of serotonin syndrome. AB - BACKGROUND AND PURPOSE: Opioids may inhibit the 5-HT transporter (SERT) and the noradrenaline transporter (NET). NET inhibition may contribute to analgesia, and SERT inhibition or interactions with 5-HT receptors may cause serotonergic toxicity. However, the effects of different opioids on the human SERT, NET and 5 HT receptors have not been sufficiently studied. EXPERIMENTAL APPROACH: We determined the potencies of different opioids to inhibit the SERT and NET in vitro using human transporter-transfected HEK293 cells. We also tested binding affinities at 5-HT1A , 5-HT2A and 5-HT2C receptors. Additionally, we assessed clinical cases of the serotonin syndrome associated with each opioid reported by PubMed and a World Health Organization database. KEY RESULTS: Dextromethorphan, l(R)-methadone, racemic methadone, pethidine, tramadol and tapentadol inhibited the SERT at or close to observed drug plasma or estimated brain concentrations in patients. Tapentadol was the most potent NET inhibitor. Pethidine, tramadol, l(R) methadone, racemic methadone, dextromethorphan and O-desmethyltramadol also inhibited the NET. 6-Monoacetylmorphine, buprenorphine, codeine, dihydrocodeine, heroin, hydrocodone, hydromorphone, morphine, oxycodone and oxymorphone did not inhibit the SERT or NET. Fentanyl interacted with 5-HT1A receptors and methadone, pethidine and fentanyl with 5-HT2A receptors, in the low micromolar range. Opioids most frequently associated with the serotonin syndrome are tramadol, fentanyl, tapentadol, oxycodone, methadone and dextromethorphan. CONCLUSIONS AND IMPLICATIONS: Some synthetic opioids interact with the SERT and NET at potentially clinically relevant concentrations. SERT inhibition by tramadol, tapentadol, methadone, dextromethorphan and pethidine may contribute to the serotonin syndrome. Direct effects on 5-HT1A and/or 5-HT2A receptors could be involved with methadone and pethidine. PMID- 29210065 TI - HDAC inhibitors restore BRAF-inhibitor sensitivity by altering PI3K and survival signalling in a subset of melanoma. AB - Mutations in BRAF activate oncogenic MAPK signalling in almost half of cutaneous melanomas. Inhibitors of BRAF (BRAFi) and its target MEK are widely used to treat melanoma patients with BRAF mutations but unfortunately acquired resistance occurs in the majority of patients. Resistance results from mutations or non genomic changes that either reactivate MAPK signalling or activate other pathways that provide alternate survival and growth signalling. Here, we show the histone deacetylase inhibitor (HDACi) panobinostat overcomes BRAFi resistance in melanoma, but this is dependent on the resistant cells showing a partial response to BRAFi treatment. Using patient- and in vivo-derived melanoma cell lines with acquired BRAFi resistance, we show that combined treatment with the BRAFi encorafenib and HDACi panobinostat in 2D and 3D culture systems synergistically induced caspase-dependent apoptotic cell death. Key changes induced by HDAC inhibition included decreased PI3K pathway activity associated with a reduction in the protein level of a number of receptor tyrosine kinases, and cell line dependent upregulation of pro-apoptotic BIM or NOXA together with reduced expression of anti-apoptotic proteins. Independent of these changes, panobinostat reduced c-Myc and pre-treatment of cells with siRNA against c-Myc reduced BRAFi/HDACi drug-induced cell death. These results suggest that a combination of HDAC and MAPK inhibitors may play a role in treatment of melanoma where the resistance mechanisms are due to activation of MAPK-independent pathways. PMID- 29210066 TI - The interictal mesial temporal lobe epilepsy network. AB - OBJECTIVE: Identification of patient-specific epileptogenic networks is critical to designing successful treatment strategies. Multiple noninvasive methods have been used to characterize epileptogenic networks. However, these methods lack the spatiotemporal resolution to allow precise localization of epileptiform activity. We used intracranial recordings, at much higher spatiotemporal resolution, across a cohort of patients with mesial temporal lobe epilepsy (MTLE) to delineate features common to their epileptogenic networks. We used interictal rather than seizure data because interictal spikes occur more frequently, providing us greater power for analyzing variances in the network. METHODS: Intracranial recordings from 10 medically refractory MTLE patients were analyzed. In each patient, hour-long recordings were selected for having frequent interictal discharges and no ictal events. For all possible pairs of electrodes, conditional probability of the occurrence of interictal spikes within a 150-millisecond bin was computed. These probabilities were used to construct a weighted graph between all electrodes, and the node degree was estimated. To assess the relationship of the highly connected regions in this network to the clinically identified seizure network, logistic regression was used to model the regions that were surgically resected using weighted node degree and number of spikes in each channel as factors. Lastly, the conditional spike probability was normalized and averaged across patients to visualize the MTLE network at group level. RESULTS: We generated the first graph of connectivity across a cohort of MTLE patients using interictal activity. The most consistent connections were hippocampus to amygdala, anterior fusiform cortex to hippocampus, and parahippocampal gyrus projections to amygdala. Additionally, the weighted node degree and number of spikes modeled the brain regions identified as seizure networks by clinicians. SIGNIFICANCE: Apart from identifying interictal measures that can model patient specific epileptogenic networks, we also produce a group map of network connectivity from a cohort of MTLE patients. PMID- 29210067 TI - Biomarkers of acute kidney injury - a mission impossible? PMID- 29210068 TI - Optimal Storage Conditions for Apheresis Research (OSCAR): a Biomedical Excellence for Safer Transfusion (BEST) Collaborative study. AB - BACKGROUND: Cell therapy products are often stored and transported between sites. The aim of this study was to determine the effect of storage temperature, solution, and cell concentration on nonmobilized, peripheral blood-derived mononuclear cells (MNCs). STUDY DESIGN AND METHODS: This was a multicenter prospective study involving healthy volunteers who underwent nonmobilized MNC collection by apheresis. Products were processed at local laboratories and concentrated to either 100 * 106 or 300 * 106 nucleated cells/mL in 5% human serum albumin (HSA) or HypoThermosol FRS (HT; BioLife Solutions). Products were stored at room temperature (RT; 20-25 degrees C) or refrigerated temperatures (2 8 degrees C) with assessment at 0, 24, 48, and 72 hours. NC and MNC concentration, viability, and flow cytometric analysis for CD3, CD4, CD8, CD14, CD19, CD25, and CD56 were measured. RESULTS: Viability decreased over time for all conditions tested. Refrigerated storage preserved viability greater than RT storage, especially for products with a higher cell concentration. RT maintenance with a high cell concentration was associated with a relative loss of CD14- and CD4-positive cells, whereas the concentration of cells positive for other markers tested did not vary. Finally, there was delayed decrease in pH when using HT compared with HSA; however, there was no difference in viability between the two solutions. CONCLUSION: Low cell concentrations (approx. 100 * 106 cells/mL), refrigerated temperatures, and HT storage solution appear to be the optimal conditions for storing nonmobilized, peripheral blood-derived MNC products. PMID- 29210069 TI - Ageing-induced internalization and degradation of VE-cadherin leads to vascular dysfunction. PMID- 29210070 TI - Dynamic interplay between photodamage and photoprotection in photosystem II. AB - Photoinhibition is the light-induced reduction in photosynthetic efficiency and is usually associated with damage to the D1 photosystem II (PSII) reaction centre protein. This damage must either be repaired, through the PSII repair cycle, or prevented in the first place by nonphotochemical quenching (NPQ). Both NPQ and D1 repair contribute to light tolerance because they ensure the long-term maintenance of the highest quantum yield of PSII. However, the relative contribution of each of these processes is yet to be elucidated. The application of a pulse amplitude modulation fluorescence methodology, called protective NPQ, enabled us to evaluate of the protective effectiveness of the processes. Within this study, the contribution of NPQ and D1 repair to the photoprotective capacity of Arabidopsis thaliana was elucidated by using inhibitors and mutants known to affect each process. We conclude that NPQ contributes a greater amount to the maintenance of a high PSII yield than D1 repair under short periods of illumination. This research further supports the role of protective components of NPQ during light fluctuations and the value of protective NPQ and qPd as unambiguous fluorescence parameters, as opposed to qI and Fv /Fm , for quantifying photoinactivation of reaction centre II and light tolerance of photosynthetic organisms. PMID- 29210071 TI - Whole-exome sequencing of sickle cell disease patients with hyperhemolysis syndrome suggests a role for rare variation in disease predisposition. AB - BACKGROUND: Hyperhemolysis syndrome (HHS) is an uncommon, but life-threatening, transfusion-related complication of red blood cell transfusion. HHS has predominantly been described in patients with sickle cell disease (SCD) and is difficult to diagnose and treat. The pathogenesis of HHS, including its occurrence in only a subset of apparently susceptible individuals, is poorly understood. We undertook whole-exome sequencing (WES) of 12 SCD-HHS patients to identify shared genetic variants that might be relevant to the development of HHS. STUDY DESIGN AND METHODS: DNA from adults with SCD having at least one previous episode of HHS were subject to WES. High-quality variants were passed through a series of bioinformatics filters to identify variants that were uncommon among African populations represented in public databases. Recurrent, putative loss-of-function variants occurring in biologically plausible genes were prioritized and then genotyped in a larger, ancestry-matched cohort of non-HHS controls. RESULTS: A rare, heterozygous stop-gain variant (p.Glu210Ter) in MBL2 was significantly enriched among HHS cases (p = 0.002). This variant is predicted to result in a premature termination codon that escapes nonsense-mediated mRNA decay, potentially leading to a novel phenotype. We also observed a complex insertion-deletion variant in the final exon of KLRC3 that was enriched among cases (p = 0.0019), although neither variant was found among seven pediatric SCD HHS patients. CONCLUSION: Our results suggest a potential role for rare genetic defects in the development of HHS among adult SCD patients. Such enriched variants may ultimately be useful for identifying high-risk individuals and informing therapeutic approaches in HHS. PMID- 29210072 TI - Chemical hypoxia-induced integrated stress response activation in oligodendrocytes is mediated by the transcription factor nuclear factor (erythroid-derived 2)-like 2 (NRF2). AB - The extent of remyelination in multiple sclerosis lesions is often incomplete. Injury to oligodendrocyte progenitor cells can be a contributing factor for such incomplete remyelination. The precise mechanisms underlying insufficient repair remain to be defined, but oxidative stress appears to be involved. Here, we used immortalized oligodendrocyte cell lines as model systems to investigate a causal relation of oxidative stress and endoplasmic reticulum stress signaling cascades. OLN93 and OliNeu cells were subjected to chemical hypoxia by blocking the respiratory chain at various levels. Mitochondrial membrane potential and oxidative stress levels were quantified by flow cytometry. Endoplasmic reticulum stress was monitored by the expression induction of activating transcription factor 3 and 4 (Atf3, Atf4), DNA damage-inducible transcript 3 protein (Ddit3), and glucose-regulated protein 94. Lentiviral silencing of nuclear factor (erythroid-derived 2)-like 2 or kelch-like ECH-associated protein 1 was applied to study the relevance of NRF2 for endoplasmic reticulum stress responses. We demonstrate that inhibition of the respiratory chain induces oxidative stress in cultured oligodendrocytes which is paralleled by the expression induction of distinct mediators of the endoplasmic reticulum stress response, namely Atf3, Atf4, and Ddit3. Atf3 and Ddit3 expression induction is potentiated in kelch-like ECH-associated protein 1-deficient cells and absent in cells lacking the oxidative stress-related transcription factor NRF2. This study provides strong evidence that oxidative stress in oligodendrocytes activates endoplasmic reticulum stress response in a NRF2-dependent manner and, in consequence, might regulate oligodendrocyte degeneration in multiple sclerosis and other neurological disorders. PMID- 29210074 TI - White matter degeneration in vascular and other ageing-related dementias. AB - Advances in neuroimaging have enabled greater understanding of the progression of cerebral degenerative processes associated with ageing-related dementias. Leukoaraiosis or rarefied white matter (WM) originally described on computed tomography is one of the most prominent changes which occurs in older age. White matter hyperintensities (WMH) evident on magnetic resonance imaging have become commonplace to describe WM changes in relation to cognitive dysfunction, types of stroke injury, cerebral small vessel disease and neurodegenerative disorders including Alzheimer's disease. Substrates of WM degeneration collectively include myelin loss, axonal abnormalities, arteriolosclerosis and parenchymal changes resulting from lacunar infarcts, microinfarcts, microbleeds and perivascular spacing. WM cells incorporating astrocytes, oligodendrocytes, pericytes and microglia are recognized as key cellular components of the gliovascular unit. They respond to ongoing pathological processes in different ways leading to disruption of the gliovascular unit. The most robust alterations involve oligodendrocyte loss and astrocytic clasmatodendrosis with displacement of the water channel protein, aquaporin 4. These modifications likely precede arteriolosclerosis and capillary degeneration and involve tissue oedema, breach of the blood-brain barrier and induction of a chronic hypoxic state in the deep WM. Several pathophysiological mechanisms are proposed to explain how WM changes commencing with haemodynamic changes within the vascular system impact on cognitive dysfunction. Animal models simulating cerebral hypoperfusion in man have paved the way for several translational opportunities. Various compounds with variable efficacies have been tested to reduce oxidative stress, inflammation and blood-brain barrier damage in the WM. Our review demonstrates that WM degeneration encompasses multiple substrates and therefore more than one pharmacological approach is necessary to preserve axonal function and prevent cognitive impairment. This article is part of the Special Issue "Vascular Dementia". PMID- 29210073 TI - Interleukin-17 regulates matrix metalloproteinase activity in human pulmonary tuberculosis. AB - Tuberculosis (TB) is characterized by extensive pulmonary matrix breakdown. Interleukin-17 (IL-17) is key in host defence in TB but its role in TB-driven tissue damage is unknown. We investigated the hypothesis that respiratory stromal cell matrix metalloproteinase (MMP) production in TB is regulated by T-helper 17 (TH -17) cytokines. Biopsies of patients with pulmonary TB were analysed by immunohistochemistry (IHC), and patient bronchoalveolar lavage fluid (BALF) MMP and cytokine concentrations were measured by Luminex assays. Primary human airway epithelial cells were stimulated with conditioned medium from human monocytes infected with Mycobacterium tuberculosis (Mtb) and TH -17 cytokines. MMP secretion, activity, and gene expression were determined by ELISA, Luminex assay, zymography, RT-qPCR, and dual luciferase reporter assays. Signalling pathways were examined using phospho-western analysis and siRNA. IL-17 is expressed in TB patient granulomas and MMP-3 is expressed in adjacent pulmonary epithelial cells. IL-17 had a divergent, concentration-dependent effect on MMP secretion, increasing epithelial secretion of MMP-3 (p < 0.001) over 72 h, whilst decreasing that of MMP-9 (p < 0.0001); mRNA levels were similarly affected. Both IL-17 and IL-22 increased fibroblast Mtb-dependent MMP-3 secretion but IL-22 did not modulate epithelial MMP-3 expression. Both IL-17 and IL-22, but not IL-23, were significantly up-regulated in BALF from TB patients. IL-17-driven MMP-3 was dependent on p38 MAP kinase and the PI3K p110alpha subunit. In summary, IL-17 drives airway stromal cell-derived MMP-3, a mediator of tissue destruction in TB, alone and with monocyte-dependent networks in TB. This is regulated by p38 MAP kinase and PI3K pathways. (c) 2017 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland. PMID- 29210075 TI - Noise contamination from PET blood sampling pump: Effects on structural MRI image quality in simultaneous PET/MR studies. AB - PURPOSE: To fully quantify PET imaging outcome measures, a blood sampling pump is often used during the PET acquisition. With simultaneous PET/MR studies, a structural magnetization-prepared rapid gradient-echo (MP-RAGE) may also be acquired while the pump is generating electromagnetic noise. This study investigated whether this noise contamination would be detrimental to the quantification of volume and cortical thickness measures obtained from automated segmentation of the MP-RAGE image. METHODS: MP-RAGE T1w structural images were acquired for a phantom and 10 healthy volunteers (five female, 27.2 +/- 5.1 y old) with the blood sampling pump and without. The white matter signal-to-noise ratio (SNR) was computed for all images. Region-wise cortical thickness and volume were extracted with Freesurfer 5.3.0. RESULTS: The phantom SNR and the white matter human subject SNR was degraded in the MP-RAGE images acquired with the pump (P = 0.005; white matter SNR: 43.9 and 50.8 with the pump and without). Intrasession, region-wise volume and cortical thickness estimates were significantly overestimated with the pump (percent difference: 1.14 +/- 2.67% for volume (P = 0.0003) and 0.34 +/- 1.59% (P = 0.02) for cortical thickness). Regions with percent differences greater than 5% between pump conditions were those close to tissue-air interfaces: entorhinal, frontal pole, parsorbitalis, temporal pole, and medial orbitofrontal. Synthetically adding Gaussian noise to the without pump MP-RAGE images yielded similar, significant detriments to cortical morphometry compared to without the pump. CONCLUSIONS: This study provides evidence that the use of PET blood sampling pumps may generate unstructured, Gaussian-distributed noise in MP-RAGE images that significantly alters the accuracy of Freesurfer-derived volume and cortical thickness estimates. While many cortical regions showed a percent difference of less than 1% with the pump, regions close to tissue-air interfaces, subject to larger susceptibility artifacts, were significantly affected. This potential for decreased accuracy should be considered in PET/MR research studies utilizing blood sampling pumps, as well as any MRI study utilizing radiofrequency noise producing devices such as functional MRI task equipment and physiologic monitoring devices. PMID- 29210076 TI - In vitro effect of antiretroviral drugs on cultured primary astrocytes: analysis of neurotoxicity and matrix metalloproteinase inhibition. AB - There is little information available on the possible toxic effects that antiretroviral (ARV) drugs used for the treatment of human immunodeficiency virus (HIV)-infected subjects, may have on the central nervous system (CNS) resident cells. Moreover, it remains unclear whether the efficacy of the ARV drugs may also be due to their ability to exert extravirological effects on factors responsible for the development of HIV brain injury, e.g., matrix metalloproteinases (MMPs). This study investigates the toxicity of three different ARV drugs and on their ability to modulate levels and expression of gelatinases A (MMP-2) and B (MMP-9) in astrocytes. Primary cultures of rat astrocytes were activated by exposure to lipopolysaccaride (LPS) and simultaneously treated with darunavir, maraviroc, or raltegravir, used alone or in combination. Among the tested drugs, maraviroc was the less toxic for astrocytes. At toxic concentration (TC50 ), the studied drugs induced the production of reactive oxygen species (ROS), suggesting that the oxidative stress may represent a mechanism of ARV toxicity. As assessed by gelatin zymography and RT-PCR, the single antiretroviral drugs reduced levels and expression of both MMP 2 and MMP-9 through the inhibition of the signaling transduction pathway of extracellular signal-regulated kinase1/2, which is involved in the regulation of MMP-9 gene. A synergistic inhibition of MMP-2 and MMP-9 was observed with combinations of the studied ARV drugs. The present results indicate that maraviroc, darunavir, and raltegravir, through their ability to inhibit MMP-2 and MMP-9 at doses non-toxic for astrocytes, might have a great potential for the management of HIV-associated neurological complications. PMID- 29210077 TI - Estimating verbal fluency and naming ability from the test of premorbid functioning and demographic variables: Regression equations derived from a regional UK sample. AB - OBJECTIVES: Neuropsychological assessment requires accurate estimation of an individual's premorbid cognitive abilities. Oral word reading tests, such as the test of premorbid functioning (TOPF), and demographic variables, such as age, sex, and level of education, provide a reasonable indication of premorbid intelligence, but their ability to predict other related cognitive abilities is less well understood. This study aimed to develop regression equations, based on the TOPF and demographic variables, to predict scores on tests of verbal fluency and naming ability. METHODS: A sample of 119 healthy adults provided demographic information and were tested using the TOPF, FAS, animal naming test (ANT), and graded naming test (GNT). Multiple regression analyses, using the TOPF and demographics as predictor variables, were used to estimate verbal fluency and naming ability test scores. Change scores and cases of significant impairment were calculated for two clinical samples with diagnosed neurological conditions (TBI and meningioma) using the method in Knight, McMahon, Green, and Skeaff (). RESULTS: Demographic variables provided a significant contribution to the prediction of all verbal fluency and naming ability test scores; however, adding TOPF score to the equation considerably improved prediction beyond that afforded by demographic variables alone. The percentage of variance accounted for by demographic variables and/or TOPF score varied from 19 per cent (FAS), 28 per cent (ANT), and 41 per cent (GNT). Change scores revealed significant differences in performance in the clinical groups, particularity the TBI group. CONCLUSIONS: Demographic variables, particularly education level, and scores on the TOPF should be taken into consideration when interpreting performance on tests of verbal fluency and naming ability. PMID- 29210078 TI - MdATG18a overexpression improves tolerance to nitrogen deficiency and regulates anthocyanin accumulation through increased autophagy in transgenic apple. AB - Nitrogen (N) availability is an essential factor for plant growth. Recycling and remobilization of N have strong impacts on crop yield and quality under N deficiency. Autophagy is a critical nutrient-recycling process that facilitates remobilization under starvation. We previously showed that an important AuTophaGy (ATG) protein from apple, MdATG18a, has a positive role in drought tolerance. In this study, we explored its biological role in response to low-N. Overexpression of MdATG18a in both Arabidopsis and apple improved tolerance to N-depletion and caused a greater accumulation of anthocyanin. The increased anthocyanin concentration in transgenic apple was possibly due to up-regulating flavonoid biosynthetic and regulatory genes (MdCHI, MdCHS, MdANS, MdPAL, MdUFGT, and MdMYB1) and higher soluble sugars concentration. MdATG18a overexpression enhanced starch degradation with up-regulating amylase gene (MdAM1) and up-regulated sugar metabolism related genes (MdSS1, MdHXKs, MdFK1, and MdNINVs). Furthermore, MdATG18a functioned in nitrate uptake and assimilation by up-regulating nitrate reductase MdNIA2 and 3 high-affinity nitrate transporters MdNRT2.1/2.4/2.5. MdATG18a overexpression also elevated other important MdATG genes expression and autophagosomes formation under N-depletion, which play key contributions to above changes. Together, these results demonstrate that overexpression of MdATG18a enhances tolerance to N-deficiencies and plays positive roles in anthocyanin biosynthesis through greater autophagic activity. PMID- 29210079 TI - Plasticity in activity and latency to explore differs between juvenile Atlantic cod Gadus morhua across a temperature gradient. AB - In the current study activity and latency to explore, as well as the correlation of these traits, were examined in individually marked juvenile Gadus morhua at 7, 10 and 13 degrees C. It was concluded that individual rank order of both traits was maintained across temperature but that the level of change differed between individuals. PMID- 29210080 TI - The Permian reptile Opisthodontosaurus carrolli: a model for acrodont tooth replacement and dental ontogeny. AB - Continuous tooth replacement is common for tetrapods, but some groups of acrodont lepidosaurs have lost the ability to replace their dentition (monophyodonty). Acrodonty, where the tooth attaches to the apex of the jawbone, is an unusual form of tooth attachment that has been associated with the highly autapomorphic condition of monophyodonty. Beyond Lepidosauria, very little is known about the relationship between acrodonty and monophyodonty in other amniotes. We test for this association with a detailed study of the dentition of Opisthodontosaurus, an unusual Early Permian captorhinid eureptile with acrodont dentition. We provide clear evidence, both histological and morphological, that there were regular tooth replacement events in the lower jaw of Opisthodontosaurus, similar to its captorhinid relatives. Thus, our study of the oldest known amniote with an acrodont dentition shows that acrodonty does not inhibit tooth replacement, and that many of the characteristics assigned to lepidosaurian acrodonty are actually highly derived features of lepidosaurs that have resulted secondarily from a lack of tooth replacement. In the context of reptilian dental evolution, we propose the retention of the simple definition of acrodonty, which only pertains to the relative position of the tooth at the apex of the jaw, where the jaw possesses equal lingual and labial walls. This definition of implantation therefore focuses solely on the spatial relationship between the tooth and the jawbone, and separates this relationship from tooth development and replacement. PMID- 29210081 TI - Improvement of monoclonal antibody-immobilized granulocyte antigen assay for the detection of anti-HNA-1 alloantibodies. AB - BACKGROUND: Currently, the gold standard for the identification of antibodies against human neutrophil antigens (HNAs) is the monoclonal antibody-immobilized granulocyte antigen (MAIGA) assay. However, the handling of this assay is laborious and therefore cumbersome for the rapid screening of neutrophil antibodies. STUDY DESIGN AND METHODS: In this study, we simplified the performance of the conventional MAIGA procedure and approved it for the identification of anti-HNA-1 with HNA-1-typed neutrophils and stable transfected (HEK293) cell line expressing HNA-1a, -1b, and -1c. RESULTS: In contrast to the conventional MAIGA, all working steps including the incubation of antibodies with cells, washings, cell lysis, and subsequent antibody detection could be performed on microtiter plates. This modification accelerates the work schedule of MAIGA and reduces pipetting errors. Comparison between both assay performances using neutrophils as target showed concordant results. Subsequently, stable mammalian cell lines were tested. In comparison to neutrophils, cell lines were stable for a longer period of time (>4 weeks) and results obtained with these cell lines showed better interassay precision. Analysis of different FcgammaRIIIb capture monoclonal antibodies (MoAbs) for the MAIGA assay showed that MoAb LNK16 is superior for the detection of anti-HNA-1a, -1b, and -1c, whereas MoAb 3G8 showed false-negative results, caused by competitive inhibition of anti-HNA-1c alloantibodies. CONCLUSION: The modification of MAIGA and the use of transfected HEK293 cells improve the detection of anti-HNA-1 alloantibodies that may allow screening analysis in large cohort of samples. PMID- 29210082 TI - Award for distinguished contributions to psychophysiology: Bruce N. Cuthbert. PMID- 29210083 TI - A novel association between high red blood cell alloimmunization rates and hereditary hemorrhagic telangiectasia. AB - BACKGROUND: Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant disorder associated with multiple arteriovenous malformations. HHT patients may require red blood cell (RBC) transfusion due to spontaneous hemorrhage or surgical bleeding. Because HHT-associated hemorrhage often occurs in submucosa we hypothesized that RBC alloimmunization rates in HHT patients may be higher than those observed in other transfused patients and investigated this in a retrospective study. STUDY DESIGN AND METHODS: Eighty-five patients with HHT who were transfused at our tertiary care facility were identified. A group of randomly selected, chronically transfused patients without HHT were used as controls (n = 207). RBC transfusion and alloantibody data were extracted from medical records. RESULTS: Alloimmunization rates among patients with HHT were significantly higher than those of controls (15.29% vs. 2.42%; p < 0.001), while HHT patients received fewer RBC transfusions at our institution compared to controls (4.27 units vs. 8.84 units; p < 0.0001). Anti-E, -K, and -c were the three most common alloantibodies identified in HHT patients. There was a trend for HHT patients to make more antibodies per alloimmunized patient than controls (2.38 alloantibodies vs. 1.60 alloantibodies), although this difference was not significant (p = 0.37). CONCLUSION: To our knowledge, this is the first study to evaluate RBC alloimmunization rates in patients with HHT. It is unclear whether the high alloimmunization rates observed are due to lifetime transfusion burden, underlying disease pathophysiology, or other variables. Additional studies are needed to evaluate the generalizability of our findings to other HHT populations and to consider the utility of prophylactic antigen matching for C/E/K. PMID- 29210084 TI - Comparison of sonography and MRI in the evaluation of stability of capitellar osteochondritis dissecans. AB - PURPOSE: To compare the diagnostic accuracies of ultrasonography (US) and magnetic resonance imaging (MRI) with intraoperative capitellar osteochondritis dissecans (COCD) fragment stability findings. METHODS: Patients whose International Cartilage Repair Society (ICRS) osteochondritis dissecans (OCD) classifications were I/II (stable) or III (unstable) were included. Patients underwent preoperative US and MRI. On US, lesions were evaluated as unstable when irregular contours of the chondral surface were observed. On MRI, lesions were evaluated as unstable when articular bone irregularity, a T2 high signal intensity interface, or a high signal intensity line through the articular cartilage was observed. Using the surgical assessment as the gold standard, accuracies of fragment stability diagnoses were calculated for US and MRI. RESULTS: Thirty-four patients with OCD classifications of I/II (stable) or III (unstable) were included. Twenty-four patients (stable: 12, unstable: 12) underwent preoperative US; 22 (stable: 11, unstable: 11) underwent preoperative MRI. Preoperative US and MRI stability assessments correctly matched intraoperative fragment findings in 23 of 24 patients and 16 of 22 patients, respectively. US criteria in this study achieved superior accuracy compared with MRI criteria (96% vs. 73%; P < .05). CONCLUSION: US was a useful tool for evaluating fragment instability in COCD. PMID- 29210085 TI - Subclinical systolic and diastolic dysfunctions in patients with metabolic syndrome and angiographically normal coronary arteries: An echocardiographic study. AB - BACKGROUND: The metabolic syndrome (MetS), as a combination of cardiovascular risk factors, is associated with subclinical cardiovascular diseases. We sought to evaluate the subclinical myocardial dysfunctions using echocardiography in patients with normal coronary arteries. MATERIALS AND METHODS: In this cross sectional study, we assessed 50 consecutive patients with angiographically-proven normal coronary arteries and a left ventricular (LV) ejection fraction (EF) >=55%. The diagnosis of MetS was based on the National Cholesterol Education Program/Adult Treatment Panel III criteria. All patients were examined using conventional and two-dimensional speckle tracking echocardiography for evaluating the myocardial functions. RESULTS: The patients' mean age was 52.3 +/- 8.3 years with 32 females (64%). LV EF, mass index, and full volume were comparable between groups. The LV myocardial performance index (0.40 +/- 0.13 vs. 0.32 +/- 0.10; P = .027), global longitudinal strain (GLS, -15.8 +/- 4.5 vs. -19.7 +/- 2.1; P < .001), and global circumferential strain (-17.9 +/- 6.1 vs. -21.5 +/- 3.3; P = .014) were different between patients with or without MetS, respectively. The GLS discriminated patients with MetS (area under the curve = 0.837, sensitivity 80%, specificity 88%, P < .001). CONCLUSIONS: In MetS without coronary artery disease, echocardiography demonstrated subclinical systolic and diastolic dysfunction. PMID- 29210086 TI - Evolution Is Linear: Debunking Life's Little Joke. AB - Linear depictions of the evolutionary process are ubiquitous in popular culture, but linear evolutionary imagery is strongly rejected by scientists who argue that evolution branches. This point is frequently illustrated by saying that we didn't evolve from monkeys, but that we are related to them as collateral relatives. Yet, we did evolve from monkeys, but our monkey ancestors are extinct, not extant. Influential voices, such as the late Stephen Jay Gould, have misled audiences for decades by falsely portraying the linear and branching aspects of evolution to be in conflict, and by failing to distinguish between the legitimate linearity of evolutionary descent, and the branching relationships among collateral relatives that result when lineages of ancestors diverge. The purpose of this article is to correct the widespread misplaced rejection of linear evolutionary imagery, and to re-emphasize the basic truth that the evolutionary process is fundamentally linear. PMID- 29210087 TI - Methotrexate use in allergic contact dermatitis: a retrospective study. AB - BACKGROUND: Methotrexate, a folate antimetabolite, is used to treat atopic dermatitis and psoriasis. Although methotrexate's therapeutic efficacy has been noted in the literature, there are few data on the efficacy of methotrexate treatment for allergic contact dermatitis. OBJECTIVE: To evaluate the efficacy and tolerability of methotrexate in treating allergic contact dermatitis at a single institution, and also to assess methotrexate efficacy in patients with chronic, unavoidable allergen exposure. METHODS: We performed a retrospective chart review of 32 patients diagnosed with allergic contact dermatitis by positive patch test reactions, and who received treatment with methotrexate from November 2010 to November 2014. Demographic and treatment-associated data were collected from electronic medical records. Ten patients were identified as allergen non-avoiders secondary to their occupation, and were subgrouped as such. RESULTS: Seventy-eight per cent (25/32) of patients showed either a partial or a complete response. Methotrexate had a comparable efficacy rate in the allergen non-avoiders subset, at 10 of 10. Of the 32 patients, 23% (5/22) had complete clearance of their dermatitis, and 1/10 of allergen non-avoiders had complete clearance of their dermatitis. CONCLUSION: Methotrexate is a well-tolerated and effective treatment for allergic contact dermatitis, and shows comparable efficacy to immunomodulatory agents such as cyclosporine and azathioprine, with robust efficacy despite persistent allergen exposure in patients with allergic contact dermatitis. PMID- 29210089 TI - Aicardi-Goutieres syndrome with muscle involvement in early infancy. PMID- 29210088 TI - Exodermis and endodermis are the sites of xanthone biosynthesis in Hypericum perforatum roots. AB - Xanthones are specialized metabolites with antimicrobial properties, which accumulate in roots of Hypericum perforatum. This medicinal plant provides widely taken remedies for depressive episodes and skin disorders. Owing to the array of pharmacological activities, xanthone derivatives attract attention for drug design. Little is known about the sites of biosynthesis and accumulation of xanthones in roots. Xanthone biosynthesis is localized at the transcript, protein, and product levels using in situ mRNA hybridization, indirect immunofluorescence detection, and high lateral and mass resolution mass spectrometry imaging (AP-SMALDI-FT-Orbitrap MSI), respectively. The carbon skeleton of xanthones is formed by benzophenone synthase (BPS), for which a cDNA was cloned from root cultures of H. perforatum var. angustifolium. Both the BPS protein and the BPS transcripts are localized to the exodermis and the endodermis of roots. The xanthone compounds as the BPS products are detected in the same tissues. The exodermis and the endodermis, which are the outermost and innermost cell layers of the root cortex, respectively, are not only highly specialized barriers for controlling the passage of water and solutes but also preformed lines of defence against soilborne pathogens and predators. PMID- 29210090 TI - Towards understanding the dose and timing effect of hydrocortisone treatment on the scleral ossicle system within the chicken eye. AB - Previous work, almost four decades ago, showed that hydrocortisone (HC) treatment reduces the number of skeletogenic condensations that give rise to the scleral ossicles in the chicken eye. The scleral ossicles are a ring of overlapping intramembranous bones, the sclerotic ring, and are present in most reptiles, including birds. The scleral condensations that give rise to the scleral ossicles are induced by a series of overlying thickenings (or papillae) of the conjunctival epithelium. Here, we further explore the effects of altering the dosage and timing of HC treatment on the morphology and number of skeletogenic condensations and conjunctival papillae. We show that high doses can completely obliterate the entire sclerotic ring. Significantly, the reduction in papillae number we observed was less extreme than that of the scleral condensations, indicating that additional factors contribute to the observed skeletogenic condensation loss. Via immunohistochemical analyses, we show that HC treatment alters the spatial expression pattern of several extracellular matrix components (tenascin-C, decorin and procollagen I) and also alters the vasculature network within the sclera. This research provides important insights into understanding the role of the scleral tissue components in ossicle development within the vertebrate eye. PMID- 29210091 TI - Clinical relevance of radiographic linear branching mineral opacities in the canine liver. AB - OBJECTIVES: To assess the prevalence, clinical significance and breed distribution of linear branching mineralisation superimposed on the hepatic radiographic silhouette in dogs. MATERIALS AND METHODS: Retrospective review of radiographs or ultrasound images of dogs showing branching mineralisation in the liver. RESULTS: Over the 30-year review period, 17 cases were identified and the mineralisation had a predominantly ventral distribution. Seven of the 17 were cavalier King Charles spaniels, and four of the total 17 dogs were diagnosed with hepatobiliary system disease. Five dogs had repeat radiographs, of which four showed no change in the pattern and one developed the pattern 6 years after being diagnosed with cholangiohepatitis. Serum calcium concentrations were normal in all patients. Liver enzymes were markedly elevated only in the dog diagnosed with cholangiohepatitis. Histology performed on three patients showed no convincing evidence of primary liver disease. CLINICAL SIGNIFICANCE: Branching mineralisation in the liver parenchyma is a rare finding in dogs with little or no clinical significance and cavalier King Charles spaniels may be predisposed. Biopsy of the liver of affected dogs with no clinical or clinicopathological evidence of liver disease is unlikely to be helpful in these cases. PMID- 29210092 TI - Comparison of digital and film chest radiography for detection and medical surveillance of silicosis in a setting with a high burden of tuberculosis. AB - BACKGROUND: Continuing use of analog film and digital chest radiography for screening and surveillance for pneumoconiosis and tuberculosis in lower and middle income countries raises questions of equivalence of disease detection. This study compared analog to digital images for intra-rater agreement across formats and prevalence of changes related to silicosis and tuberculosis among South African gold miners using the International Labour Organization classification system. METHODS: Miners with diverse radiological presentations of silicosis and tuberculosis were recruited. Digital and film chest images on each subject were classified by four expert readers. RESULTS: Readings of film and soft copy digital images showed no significant differences in prevalence of tuberculosis or silicosis, and intra-rater agreement across formats was fair to good. Hard copy images yielded higher prevalences. CONCLUSION: Film and digital soft copy images show consistent prevalence of findings, and generally fair to good intra-rater agreement for findings related to silicosis and tuberculosis. PMID- 29210094 TI - Infliximab trough concentrations during maintenance therapy are associated with endoscopic and histologic healing in ulcerative colitis. AB - BACKGROUND: Endoscopic and histologic healing are emerging as new therapeutic goals in ulcerative colitis (UC), as these endpoints are associated with less relapse, hospitalization and colectomy. AIM: To investigate the association of serum infliximab trough concentrations during maintenance therapy with endoscopic or histologic healing in UC. METHODS: In this multi-center retrospective cohort study, we included consecutive patients with moderate-to-severe UC on infliximab maintenance therapy who had an endoscopic evaluation and underwent therapeutic drug monitoring within three months of the colonoscopy, between February 2008 and March 2016. Per event analysis was performed. Endoscopic healing was defined as Mayo endoscopic sub-score of <=1. Histologic healing was defined as no or only focal mild active inflammation. RESULTS: Seventy colonoscopies from 56 patients were evaluated. Infliximab trough concentrations (median [interquartile range]) were significantly higher in patients with endoscopic (11.3 [7.6-14.5] vs 6.3 [0 9.8] MUg/mL, P < .001) or histologic (11.1 [6.7-14.5] vs 6.7 [0-9.9] MUg/mL, P = .002) healing, respectively, compared to patients without healing. Receiver operating characteristic analyses identified infliximab trough concentration thresholds of 7.5 (area under the curve [AUC]: 0.758) and 10.5 (AUC: 0.721) MUg/mL to be associated with endoscopic and histologic healing, respectively. Multiple logistic regression analysis identified infliximab trough concentration >=7.5 (P = .013; odds ratio [OR]: 4.3; 95% confidence intervals [CI]: 1.4-13.3) and >=10.5 MUg/mL (P = .013; OR: 3.8; 95% CI: 1.3-11) as independent factors associated with endoscopic and histologic healing, respectively. CONCLUSIONS: This study demonstrated that infliximab trough concentrations during maintenance therapy are associated with endoscopic and histologic healing in patients with UC. PMID- 29210095 TI - Hereditary xerocytosis: Diagnostic considerations. PMID- 29210096 TI - Obesity and type 2 diabetes are important risk factors underlying previously undiagnosed cirrhosis in general practice: a cross-sectional study using transient elastography. AB - BACKGROUND: Rising cirrhosis incidence and mortality in the United Kingdom has been attributed predominantly to excess alcohol consumption. However, metabolic risk factors such as Type 2 diabetes and obesity may also be important. AIM: To screen at-risk individuals in general practice for undetected cirrhosis using transient elastography and study the risk factors underlying these cases. METHODS: The study was undertaken in 4 general practices (adult patient population 20 868) between February 2012 and September 2014. Patients with defined risk factors for chronic liver disease (hazardous alcohol use and/or Type 2 diabetes) were identified from the General Practice electronic records and invited for transient elastography. Elevated liver stiffness was defined as >=8 kPa. Cirrhosis was confirmed by established histological, radiological and biochemical methods. RESULTS: Two thousand three hundred and sixty eight patients were invited for transient elastography and 899/919 who attended (97.8%) had valid measurements. Of these 230 patients had elevated liver stiffness (25.6%) and 27 had cirrhosis (2.9%). Risk factors for new cirrhosis diagnoses were obesity and/or Type 2 diabetes in 16 patients (59.3%), alcohol alone in 3 (11.1%) and both alcohol and obesity and/or diabetes in eight (29.6%). Presence of cirrhosis was significantly increased in obese patients with Type 2 diabetes or hazardous alcohol use compared to non-obese (odds ratio 9.4 [95% CI 2.2-40.9] and 5.6 [95% CI 1.6-19.7] respectively). CONCLUSIONS: The number of new cases of cirrhosis diagnosed clearly demonstrates that existing estimates of prevalence are likely to be gross underestimates. Obesity was an important risk factor for cirrhosis within both alcohol users and diabetics. PMID- 29210097 TI - Radiography of the distal extremity of the manus in the donkey foal: Normal images and quantitative characterization from birth to 2 years of age: A pilot study. AB - This study describes a radiographic survey of the anatomical development of the distal extremity of the manus in the donkey from 0 to 2 years of age. The right distal limb of 10 donkey foals, born in the spring of 2012, underwent radiographs every month for the first 6 months of age and every 3 months during the following 18 months. Latero-medial radiographs with and without barium marker at the coronary band and dorso-palmar radiographs with both front feet in weight bearing were obtained. The distal physis of the third metacarpal bone and the proximal physis of the proximal phalanx (phalanx proximalis) were closed at the mean age of 18.6 months. The distal physis of the proximal phalanx appeared as a clear radiolucent line at 2 weeks of age and was still subtly visible in some donkeys at 24 months. The proximal physis of the middle phalanx (phalanx media) was closed at the mean age of 16.7 months. The distal physis of this phalanx was visible at birth, but closed at 4 days. The distal phalanx (phalanx distalis) was triangular at birth. At the age of 20-21 months, the palmar processes (processus palmares) were both developed. The navicular bone (os sesamoideum distalis) was developed at the mean age of 9 months. The proximal sesamoid bones (ossa sesamoidea proximalia) were seen in continuously development during the 24 months. It seems that the physes in the distal extremity of the manus in the donkey close at an older age than the physes in the horse. PMID- 29210098 TI - Regional gastrointestinal contractility parameters using the wireless motility capsule: inter-observer reproducibility and influence of age, gender and study country. AB - BACKGROUND: The wireless motility capsule concurrently measures temperature, pH and pressure as it traverses the gastrointestinal tract. AIMS: To describe normative values for motility/contractility parameters across age, gender and testing centres. METHODS: Healthy participants underwent a standardised wireless motility capsule assessment following an overnight fast and consumption of a meal of known nutritional content. Traces were divided into regions of interest and analysed using 2 software packages (MotiliGI and GIMS Data Viewer). Inter observer agreement was independently assessed by 2 investigators. RESULTS: Normative data for motility/contractility parameters (maximum amplitude, mean peak amplitude, contraction frequency and motility index) are presented for 107 individuals (62 male, median age 40 years, range 18-78). MotiliGI-Gastric, small bowel and colonic maximal contraction amplitude correlated with age (r = .24, P = .01; r = .22, P = .02; and r = .2, P = .04 respectively). Small bowel motility index was higher in females than males (150.4 +/- 12 vs 122 +/- 7.6, P = .04). Inter-observer agreement was excellent for transit times, pH and contractility/motility parameters. GIMS Data viewer-Gastric, small bowel and colonic loge motility index correlated with the respective area under the contraction curve, total contractions, sum of amplitudes and contraction frequency (all r>.35, P < .0003) but not with transit times. CONCLUSIONS: Our analysis provides normative data for motility/contractility parameters. Log motility index summarises a number of measures. In future, the measurement of contractile activity with the wireless motility capsule may potentially aid in the diagnosis of disease states such as visceral myopathic disorders. PMID- 29210099 TI - Behavioral and hormonal responses to the availability of forage material in Western lowland gorillas (Gorilla gorilla gorilla). AB - We investigated how forage material affects indicators of welfare in three male Western lowland gorillas (Gorilla gorilla gorilla) at the Detroit Zoo. In addition to their maintenance diet and enrichment foods, the gorillas generally received forage material four times a week. From this baseline, we systematically manipulated how much forage material the group received on a weekly basis, with either daily or bi (twice)-weekly presentation of browse (mulberry, Morus sp.) or alfalfa hay. We collected behavioral data (60 hr per gorilla) and measured fecal glucocorticoid metabolites (FGM). Mixed models indicated that the presence of forage material significantly increased time feeding (F2,351 = 9.58, p < 0.001), and decreased rates of noncontact aggression (F2,351 = 3.69, p = 0.03), and regurgitation and reingestion (F2,353 = 4.70, p = 0.01). Regurgitation and reingestion were never observed during the condition when forage material was provided daily. When forage material was provided, time spent feeding was similar across gorillas, compared to a disproportionately greater amount of time spent feeding by the dominant individual when forage material was absent. Providing forage material in addition to the regular diet likely created more opportunities for equitable feeding for the subordinate gorillas. FGM concentrations did not vary based on the presence or type of forage material available and, instead, likely reflected group social dynamics. In general, alfalfa and mulberry had similar impacts on behavior, indicating that alfalfa can be an adequate behavioral substitute during times when browse is less readily available for gorillas housed in seasonally variable climates. PMID- 29210100 TI - Morphological fine tuning of the feeding apparatus to proboscis length in Hesperiidae (Lepidoptera). AB - The form and function of the hesperiid feeding apparatus was studied in detail. The butterflies in the family Hesperiidae are of particular interest because the longest proboscis ever recorded in Papilionoidea was found in the Neotropical genus Damas. We focused on the functional morphology by comparing proboscis morphology as well as size and composition of both the stipes pump and the cibarial suction pump in skippers with short and extremely long proboscis. Results revealed that all studied Hesperiidae have the same proboscis micromorphology and sensilla endowment regardless of the proboscis length. However, the numbers of internal muscles of the proboscis, the morphology of the stipes pump as well as the pumping organs for nectar uptake are related to the proboscis length. We conclude that the low number of tip sensilla compared to proboscis length is responsible for remarkably longer manipulation times of long proboscid species during flower visits. The organs for proboscis movements and nectar uptake organs are well tuned to the respective proboscis length and are accordingly bigger in species with a proboscis that measures twice the body length. PMID- 29210101 TI - Problems of dual vulnerability in nutrition: A qualitative study of older persons caring for under 5-year-olds in post-disaster Haiti. AB - SITUATION: Malnutrition plays a significant role in under-five mortality rates following disasters. Older people play an important role in childcare in non Western societies, which often increases in displacement contexts. Until now, policy, in general, and nutrition programmes, in particular, have focused on the mother-child dyad. AIM: To gather information on possible barriers to older carers accessing nutritional services for the children they care for and explore ways to overcome these obstacles. METHOD: A qualitative approach was taken to explore the experiences of the carers themselves. Focus group discussions provided data, which were analysed using grounded theory. RESULTS: Data collected showed older people have similar needs to other caregivers in emergency settings, needs that are often amplified by age. Moreover, many barriers to accessing services were elicited, including targeting and advertising of nutritional programmes, alongside physical and psychosocial barriers to assessing existing support. Participants generated potential solutions to each identified barrier. CONCLUSION: As older people in Haiti were often the sole carers of under-fives, there is a need to recognise their importance in this role and support them within. More generally, in any emergency setting, organisations need take into account all stakeholders in child nutrition when planning and implementing programmes. PMID- 29210102 TI - The use of droplet digital PCR in liquid biopsies: A highly sensitive technique for MYD88 p.(L265P) detection in cerebrospinal fluid. AB - The gold standard for diagnosis of central nervous system lymphomas still regards a stereotactic brain biopsy, with the risk of major complications for the patient. As tumor cells can be detected in cerebrospinal fluid (CSF), CSF analysis can be used as an alternative. In this respect, mutation analysis in CSF can be of added value to other diagnostic parameters such a cytomorphology and clonality analysis. A well-known example of targeted mutation analysis entails MYD88 p.(L265P) detection, which is present in the majority of Bing Neel syndrome and primary central nervous system lymphoma (PCNSL) patients. Unfortunately, tumor yield in CSF can be very low. Therefore, use of the highly sensitive droplet digital PCR (ddPCR) might be a suitable analysis strategy for targeted mutation detection. We analyzed 26 formalin fixed paraffin embedded (FFPE) samples (8 positive and 18 negative for MYD88 p.(L265P) mutation) by ddPCR, of which the results were compared with next generation sequencing (NGS). Subsequently, 32 CSF samples were analyzed by ddPCR. ddPCR and NGS results on FFPE material showed 100% concordance. Among the 32 CSF samples, 9 belonged to patients with lymphoplasmacytic lymphoma (LPL) and clinical suspicion of Bing Neel syndrome, and 3 belonged to patients with PCNSL. Nine of these samples tested positive for MYD88 p.(L265P) (8 LPL and 1 PCNSL). This study shows that sensitive MYD88 mutation analysis by ddPCR in CSF is highly reliable and can be applied even when DNA input is low. Therefore, ddPCR is of added value to current diagnostic parameters, especially when the available amount of DNA is limited. PMID- 29210104 TI - Threshold responses of Amazonian stream fishes to timing and extent of deforestation. AB - Deforestation is a primary driver of biodiversity change through habitat loss and fragmentation. Stream biodiversity may not respond to deforestation in a simple linear relationship. Rather, threshold responses to extent and timing of deforestation may occur. Identification of critical deforestation thresholds is needed for effective conservation and management. We tested for threshold responses of fish species and functional groups to degree of watershed and riparian zone deforestation and time since impact in 75 streams in the western Brazilian Amazon. We used remote sensing to assess deforestation from 1984 to 2011. Fish assemblages were sampled with seines and dip nets in a standardized manner. Fish species (n = 84) were classified into 20 functional groups based on ecomorphological traits associated with habitat use, feeding, and locomotion. Threshold responses were quantified using threshold indicator taxa analysis. Negative threshold responses to deforestation were common and consistently occurred at very low levels of deforestation (<20%) and soon after impact (<10 years). Sensitive species were functionally unique and associated with complex habitats and structures of allochthonous origin found in forested watersheds. Positive threshold responses of species were less common and generally occurred at >70% deforestation and >10 years after impact. Findings were similar at the community level for both taxonomic and functional analyses. Because most negative threshold responses occurred at low levels of deforestation and soon after impact, even minimal change is expected to negatively affect biodiversity. Delayed positive threshold responses to extreme deforestation by a few species do not offset the loss of sensitive taxa and likely contribute to biotic homogenization. PMID- 29210103 TI - Myelination and mTOR. AB - Myelinating cells surround axons to accelerate the propagation of action potentials, to support axonal health, and to refine neural circuits. Myelination is metabolically demanding and, consistent with this notion, mTORC1-a signaling hub coordinating cell metabolism-has been implicated as a key signal for myelination. Here, we will discuss metabolic aspects of myelination, illustrate the main metabolic processes regulated by mTORC1, and review advances on the role of mTORC1 in myelination of the central nervous system and the peripheral nervous system. Recent progress has revealed a complex role of mTORC1 in myelinating cells that includes, besides positive regulation of myelin growth, additional critical functions in the stages preceding active myelination. Based on the available evidence, we will also highlight potential nonoverlapping roles between mTORC1 and its known main upstream pathways PI3K-Akt, Mek-Erk1/2, and AMPK in myelinating cells. Finally, we will discuss signals that are already known or hypothesized to be responsible for the regulation of mTORC1 activity in myelinating cells. PMID- 29210105 TI - Systematic Review and Meta-Analysis of Diagnostic Accuracy of Serum Refractometry and Brix Refractometry for the Diagnosis of Inadequate Transfer of Passive Immunity in Calves. AB - BACKGROUND: Transfer of passive immunity in calves can be assessed by direct measurement of immunoglobulin G (IgG) by methods such as radial immunodiffusion (RID) or turbidimetric immunoassay (TIA). IgG can also be measured indirectly by methods such as serum refractometry (REF) or Brix refractometry (BRIX). OBJECTIVES: To determine the accuracy of REF and BRIX for assessment of inadequate transfer of passive immunity (ITPI) in calves. DESIGN: Systematic review and meta-analysis of diagnostic accuracy studies. METHODS: Databases (PubMed and CAB Abstract, Searchable Proceedings of Animal Science) and Google Scholar were searched for relevant studies. Studies were eligible if the accuracy (sensitivity and specificity) of REF or BRIX was determined using direct measurement of IgG by RID or turbidimetry as the reference standard. The study population included calves <14 days old that were fed with natural colostrum (colostrum replacement products were excluded). Quality assessment was performed by the QUADAS-2 tool. Hierarchical models were used for meta-analysis. RESULTS: From 1,291 references identified, 13 studies of 3,788 calves were included. Of these, 11 studies evaluated REF and 5 studies evaluated BRIX. The median (range) prevalence of ITPI (defined as calves with IgG <10 g/L by RID or TIA) was 21% (1.3-56%). Risk of bias and applicability concerns were generally low or unclear. For REF, summary estimates were obtained for 2 different cutoffs: 5.2 g/dL (6 studies) and 5.5 g/dL (5 studies). For the 5.2 g/dL cutoff, the summary sensitivity (95% CI) and specificity (95% CI) were 76.1% (63.8-85.2%) and 89.3% (82.3-93.7%), and 88.2% (80.2-93.3%) and 77.9% (74.5-81.0%) for the 5.5 g/dL cutoff. Due to the low number of studies using the same cutoffs, summary estimates could not be obtained for BRIX. CONCLUSIONS AND CLINICAL IMPORTANCE: Despite their widespread use on dairy farms, evidence about the optimal strategy for using refractometry, including the optimal cutoff, are sparse (especially for BRIX). When using REF to rule out ITPI in herds, the 5.5 g/dL cutoff may be used whereas for ruling in ITPI, the 5.2 g/dL cutoff may be used. PMID- 29210106 TI - Preemptive second kidney transplantation is associated with better graft survival compared with non-preemptive second transplantation: a multicenter French 2000 2014 cohort study. AB - The impact of preemptive second kidney transplantation (2KT) on graft and patient survival is poorly established. The association between preemptive 2KT (p2KT, N = 93) and outcomes was estimated in a multicenter French cohort of 2KT (N = 1314) recipients using propensity score methods. During the follow-up, there were 274 returns to dialysis and 134 deaths. p2KT was associated with lower death-censored graft loss (HR = 0.39 [0.18-0.88], P = 0.024) and graft failure from any cause including death (HR = 0.42 [0.22-0.80], P = 0.008). Similar associations were observed for death with a functioning graft, although not reaching statistical significance (HR = 0.47 [0.17-1.26], P = 0.13). There was a significant interaction between donor type and p2KT (P for interaction = 0.016). Indeed, p2KT was not significantly associated with the risk of graft failure from any cause including death in living donor 2KT (P = 0.39), whereas the association was substantial in the deceased donor subset (HR = 0.30 [0.14-0.64], P = 0.002). Of note, the adjusted graft survival of p2KT with deceased donor paralleled that of 2KT with living donor, either preemptive or not (93.8% vs. 88.6% at 4 years and 76.1% vs. 70.5% at 8 years, P = 0.13). This large French multicenter study analyzed using propensity scores suggests that p2KT is associated with better graft prognosis. PMID- 29210107 TI - Higher serotonin transporter availability in early-onset obsessive-compulsive disorder patients undergoing escitalopram treatment: A [11 C]DASB PET study. AB - OBJECTIVE: Early-onset obsessive-compulsive disorder (EOCD) and late-onset obsessive-compulsive disorder (LOCD) are distinct subtypes of obsessive compulsive disorder (OCD). OCD patients are treated with serotonin reuptake inhibitors, but the difference in serotonin transporter (SERT) availability between medicated EOCD and LOCD is unexplored yet. METHODS: Six EOCD and 6 LOCD patients were enrolled. They underwent serial [11 C]DASB positron emission tomography scans during maintenance therapy with escitalopram, and their plasma concentration of escitalopram was measured simultaneously with the scan. Then, the drug-free binding potential of SERT was calculated by pharmacokinetic pharmacodynamic modelling. RESULTS: In comparison with LOCD patients, SERT availability was significantly higher in the putamen of EOCD patients (U = 4, p = .026), but not in the caudate nucleus (U = 14, p = .589), thalamus (U = 16, p = .818), and dorsal raphe nucleus (U = 7, p = .093). Binding potential of putamen showed a negative correlation (r = -.580, p = .048) with age of onset of the disease, but not with the Yale-Brown Obsessive Compulsive Scale scores. CONCLUSIONS: These findings indicate that the earlier the age of onset of OCD, the less serotonergic pathology there is and that this difference remains even after long-term serotonin reuptake inhibitor treatment. Clinically, it might suggest that nonserotonergic treatments would be a better option for EOCD patients. PMID- 29210108 TI - Kidney transplant outcomes from older deceased donors: a paired kidney analysis by the European Renal Association-European Dialysis and Transplant Association Registry. AB - As the median age of deceased kidney donors rises, updated knowledge of transplant outcomes from older deceased donors in differing donor-recipient age groups is required. Using ERA-EDTA Registry data we determined survival outcomes of kidney allografts donated from the same older deceased donor (55-70 years), and transplanted into one recipient younger and one recipient of similar age to the donor. The recipient pairs were divided into two groups: group 1; younger (median age: 52 years) and older (60 years) and group 2; younger (41 years) and older (60 years). A total of 1410 adults were transplanted during 2000-2007. Compared to the older recipients, the mean number of functioning graft years at 10 years was 6 months longer in the group 1 and group 2 younger recipients (P < 0.001). Ten-year graft survival was 54% and 40% for the group 1 younger and older recipients, and 60% and 49% for the group 2 younger and older recipients. Paired Cox regression analyses showed a lower risk of graft failure (group 1 younger; adjusted relative risk [RRa]:0.57, 95% CI:0.41-0.79, and group 2 younger; RRa:0.63, 95% CI:0.47-0.85) in younger recipients. Outcomes from older deceased donor allografts transplanted into differing donor-recipient age groups are better than previously reported. These allografts remain a valuable transplant resource, particularly for similar-aged recipients. PMID- 29210109 TI - Xenotransplantation: back to the future? AB - The field of xenotransplantation has fluctuated between great optimism and doubts over the last 50 years. The initial clinical attempts were extremely ambitious but faced technical and ethical issues that prompted the research community to go back to preclinical studies. Important players left the field due to perceived xenozoonotic risks and the lack of progress in pig-to-nonhuman-primate transplant models. Initial apparently unsurmountable issues appear now to be possible to overcome due to progress of genetic engineering, allowing the generation of multiple-xenoantigen knockout pigs that express human transgenes and the genomewide inactivation of porcine endogenous retroviruses. These important steps forward were made possible by new genome editing technologies, such as CRISPR/Cas9, allowing researchers to precisely remove or insert genes anywhere in the genome. An additional emerging perspective is the possibility of growing humanized organs in pigs using blastocyst complementation. This article summarizes the current advances in xenotransplantation research in nonhuman primates, and it describes the newly developed genome editing technology tools and interspecific organ generation. PMID- 29210110 TI - Paediatric breath-holding spells are associated with autonomic dysfunction and iron deficiency may play a role. AB - AIM: This study assessed cardiac performance and iron in subjects aged 12-36 months with breath-holding spells (BHSs). METHODS: We consecutively recruited 40 subjects (55% male) experiencing BHSs from the general paediatric outpatients department at the Children's Hospital, Ain Shams University, Egypt, from 2015 to 2016. The 20 matched comparisons were mainly healthy siblings. The workup included iron levels and electrocardiograms. RESULTS: The age at the onset of BHSs was 5-24 months with a median monthly frequency of 13. Almost two-thirds of the patients had cyanotic spells, and one-third had pallid spells, lasting 25-90 seconds. Lower serum iron levels and higher QT dispersion and T-wave dispersion were recorded in patients than the comparison group, and 4.8% had dysrhythmia and bradycardia. We observed higher durations of bradycardia during attacks and higher occurrences of dysrhythmia during cyanotic spells, which were more frequent in patients with prolonged or frequent BHSs. CONCLUSION: Our study of patients aged 12-13 months supported the theory of autonomic dysfunction in BHSs. The ECG findings, especially in patients with prolonged or frequent spells, need to be studied further to evaluate the risk of life-threatening events. Iron deficiency may play a role in autonomic dysfunction in patients with BHSs. PMID- 29210112 TI - Parents with overweight children two and five years of age did not perceive them as weighing too much. AB - AIM: This study examined whether the parents of children who were overweight at two and five years of age perceived their children as being too heavy and related the findings to sociodemographic factors. METHODS: The data collection included parental questionnaires and anthropometric data from a longitudinal birth cohort of 2666 children born in the south-west region of Sweden in 2007-2008. RESULTS: We found that 14.9 and 11.8% of the children were considered overweight or obese at the age of two and five, but 96.4 and 87.1% of their parents perceived their weight to be just about right at these ages. The difference was statistically significant (p < 0.001). Parents who were overweight themselves and had a low educational level were associated with a higher probability of misperception: at two years of age, the odds ratio was 2.75 (95% confidence interval 1.80-4.21), and at the age of five, it was 1.92 (1.24-2.97). CONCLUSION: Most parents did not perceive that their overweight children weighed too much, but their judgement improved as the child got older. Parents who were overweight or had a low educational level were more likely to misperceive their child's weight. Health Care professionals need to be aware of this gap in perception. PMID- 29210111 TI - STRO-1 confers myofibroblast transdifferentiation in fibroblasts derived from oral submucous fibrosis. AB - BACKGROUND: STRO-1 is a mesenchymal cell marker present on all clonogenic stromal precursors. Current evidence has indicated that the pathogenesis of fibrotic changes may be mediated by stemness properties. The aim of this study was to investigate the role of STRO-1 in areca quid chewing-associated oral submucous fibrosis (OSF). METHODS: Thirty OSF specimens and ten normal buccal mucosae were examined by immunohistochemistry. The activity of STRO-1 from fibroblasts cultured from normal buccal mucosa (BMFs) and OSF (OSFFs) were measureed and the effect of arecoline, a major areca nut alkaloid, on STRO-1 in BMFs was evaluated. Compared the activities between sorted STRO-1+ cells and STRO-1- cells from OSFF were measured by collagen gel contraction, migration, invasion abilities, and the expression of alpha-smooth muscle actin (alpha-SMA) and pro-alpha1 (I) chain of type I collagen. RESULTS: Our results first showed that the expression of STRO-1 was more evident in areca quid chewing-associated OSF than normal buccal mucosa tissues (P < .05). Arecoline dose-dependently activated the level of STRO-1 in BMFs (P < .05). The relative expression of STRO-1 was significantly higher in OSFFs compared with BMFs (P < .05). In addition, the sorted STRO-1+ cells from OSFFs exhibited higher collagen gel contraction, migration, and invasion abilities as well as elevated expression of alpha-SMA and pro-alpha1 (I) chain of type I collagen than the negative subset (P < .05). CONCLUSION: These findings suggested that the stemness marker STRO-1 may be a crucial factor in the pathogenesis of areca quid chewing-associated OSF. PMID- 29210113 TI - Realizing Over 13% Efficiency in Green-Solvent-Processed Nonfullerene Organic Solar Cells Enabled by 1,3,4-Thiadiazole-Based Wide-Bandgap Copolymers. AB - Two novel wide-bandgap copolymers, PBDT-TDZ and PBDTS-TDZ, are developed based on 1,3,4-thiadiazole (TDZ) and benzo[1,2-b:4,5-b']dithiophene (BDT) building blocks. These copolymers exhibit wide bandgaps over 2.07 eV and low-lying highest occupied molecular orbital (HOMO) levels below -5.35 eV, which match well with the typical low-bandgap acceptor of ITIC, resulting in a good complementary absorption from 300 to 900 nm and a low HOMO level offset (<=0.13 eV). Compared to PBDT-TDZ, PBDTS-TDZ with alkylthio side chains exhibits the stronger optical absorption, lower-lying HOMO level, and higher crystallinity. By using a single green solvent of o-xylene, PBDTS-TDZ:ITIC devices exhibit a large open-circuit voltage (Voc ) up to 1.10 eV and an extremely low energy loss (Eloss ) of 0.48 eV. At the same time, the desirable high short-circuit current density (Jsc ) of 17.78 mA cm-2 and fill factor of 65.4% are also obtained, giving rise to a high power conversion efficiency (PCE) of 12.80% without any additive and post treatment. When adopting a homotandem device architecture, the PCE is further improved to 13.35% (certified as 13.19%) with a much larger Voc of 2.13 V, which is the best value for any type of homotandem organic solar cells reported so far. PMID- 29210114 TI - Atomically Thin Mesoporous Co3 O4 Layers Strongly Coupled with N-rGO Nanosheets as High-Performance Bifunctional Catalysts for 1D Knittable Zinc-Air Batteries. AB - Under development for next-generation wearable electronics are flexible, knittable, and wearable energy-storage devices with high energy density that can be integrated into textiles. Herein, knittable fiber-shaped zinc-air batteries with high volumetric energy density (36.1 mWh cm-3 ) are fabricated via a facile and continuous method with low-cost materials. Furthermore, a high-yield method is developed to prepare the key component of the fiber-shaped zinc-air battery, i.e., a bifunctional catalyst composed of atomically thin layer-by-layer mesoporous Co3 O4 /nitrogen-doped reduced graphene oxide (N-rGO) nanosheets. Benefiting from the high surface area, mesoporous structure, and strong synergetic effect between the Co3 O4 and N-rGO nanosheets, the bifunctional catalyst exhibits high activity and superior durability for oxygen reduction and evolution reactions. Compared to a fiber-shaped zinc-air battery using state-of the-art Pt/C + RuO2 catalysts, the battery based on these Co3 O4 /N-rGO nanosheets demonstrates enhanced and stable electrochemical performance, even under severe deformation. Such batteries, for the first time, can be successfully knitted into clothes without short circuits under external forces and can power various electronic devices and even charge a cellphone. PMID- 29210115 TI - Highly Deformable and See-Through Polymer Light-Emitting Diodes with All Conducting-Polymer Electrodes. AB - Despite the high expectation of deformable and see-through displays for future ubiquitous society, current light-emitting diodes (LEDs) fail to meet the desired mechanical and optical properties, mainly because of the fragile transparent conducting oxides and opaque metal electrodes. Here, by introducing a highly conductive nanofibrillated conducting polymer (CP) as both deformable transparent anode and cathode, ultraflexible and see-through polymer LEDs (PLEDs) are demonstrated. The CP-based PLEDs exhibit outstanding dual-side light-outcoupling performance with a high optical transmittance of 75% at a wavelength of 550 nm and with an excellent mechanical durability of 9% bending strain. Moreover, the CP-based PLEDs fabricated on 4 um thick plastic foils with all-solution processing have extremely deformable and foldable light-emitting functionality. This approach is expected to open a new avenue for developing wearable and attachable transparent displays. PMID- 29210116 TI - From targeted fascicular biopsy of major nerve to targeted cutaneous nerve biopsy: Implementing clinical anatomy can catalyze a paradigm shift. PMID- 29210117 TI - Enantioselective recognition of carboxylic acids by novel fluorescent triazine based thiazoles. AB - Hydrogen bonding and pi-pi interactions take special part in the enantioselectivity task. In this regard, because of having both hydrogen acceptor and hydrogen donor groups, melamine derivatives become more of an issue for enantioselectivity. In the light of such information, triazine-based chiral, fluorescence active novel thiazole derivatives L1 and L2 were designed and synthesized from (S)-(-)-2-amino-1-butanol and (1S,2R)-(+)-2-amino-1,2 diphenylethanol. The structural establishment of these compounds was made by spectroscopic methods such as FTIR, 1 H, and 13 C NMR. While the solution of these compounds in DMSO did not show any fluorescence emission, it was observed that the emission increased 44-fold for L1 and 55-fold for L2 in 95% water, similar to the aggregation-induced emission (AIE) characterized compounds. In this regard, enantioselective capabilities of these compounds against carboxylic acids were tested, and in experiments carried out at a ratio of 40/60 DMSO/H2 O, it was determined that R-2ClMA increased the fluorescence emission of L1 chiral receptor by 2.59 times compared to S-isomer. PMID- 29210118 TI - Alantolactone, a sesquiterpene lactone, inhibits breast cancer growth by antiangiogenic activity via blocking VEGFR2 signaling. AB - Alantolactone (ALA), a sesquiterpene lactone isolated from several medicinal plants such as Inula helenium, has been identified to have attractive anticancer activity. However, its role in the inhibition of angiogenesis during tumor development remains unclear. In this study, we found ALA can inhibit the proliferation, motility, migration, and tube formation of human umbilical vein endothelial cells. ALA also restrained angiogenesis in chick embryo chorioallantoic membrane and delayed the growth of human MDA-MB-231 breast cancer xenograft in mice through angiogenesis inhibition. Furthermore, ALA suppressed the phosphorylation of vascular endothelial growth factor receptor 2 and its downstream protein kinase including PLCgamma1, FAK, Src, and Akt in endothelial cells. Taken together, the antiangiogenic activity of ALA and its molecular mechanism are identified for the first time, indicating that ALA may be a potential drug candidate or lead compound for antiangiogenic cancer therapy. PMID- 29210119 TI - Diets rich in saturated fat and fructose induce anxiety and depression-like behaviours in the rat: is there a role for lipid peroxidation? AB - Epidemiological studies reveal associations between obesity/metabolic syndrome and mood disorders. We assessed behavioural changes in rats fed diets enriched in fat and fructose in different proportions and correlated the observed alterations with biochemical changes induced by the diets. Three groups of rats were used as follows: control (C) animals fed regular rat chow, rats fed high-fat diet (HF) and rats fed high-fat and high-fructose diet (HFHF). HF and HFHF animals were also given a 10% fructose solution as drinking water. Behavioural and biochemical parameters were determined. Anxiety was measured by the open-field and the social interaction test. Depression-like behaviour was evaluated by the forced swimming test. The object recognition test was utilized to assess effects on memory. Diet exposed animals displayed signs of anxiety in the open-field (HF rats had reduced central time; HFHF rats had reduced number of central entries) and in the social interaction test (decreased time of interaction in HF group). In the forced swimming test, the immobility time was prolonged in the HFHF group. While different measures of anxiety scores correlated with visceral adiposity and dyslipidemia, results from both social interaction and forced swimming tests were significantly associated with lipid peroxidation, which in turn also correlated with the metabolic parameters. The experimental diets did not affect the object recognition memory. Both experimental diets induced metabolic derangements in rats and provoked similar anxiety- and depression-like behaviours. Lipid peroxidation seems to play a role in translating diet-induced metabolic alterations into behavioural disorders. PMID- 29210120 TI - Endogenous peripheral hydrogen sulfide is propyretic: its permissive role in brown adipose tissue thermogenesis in rats. AB - NEW FINDINGS: What is the central question of this study? In fever, the most striking response in the acute phase reaction of systemic inflammation, plasma H2 S concentration increases. However, the role of endogenous peripheral H2 S in fever is unknown. What is the main finding and its importance? Endogenous peripheral H2 S is permissive for increased brown adipose tissue thermogenesis to maintain thermal homeostasis in cold environments as well as to mount fever. This finding expands the physiological role of the gaseous modulator as a key regulator of thermal control in health (thermal homeostasis) and disease (fever in systemic inflammation). ABSTRACT: In recent years, hydrogen sulfide (H2 S) has been reported as a gaseous modulator acting in several tissues in health and disease. In animal models of systemic inflammation, the plasma H2 S concentration increases in response to endotoxin (bacterial lipopolysaccharide, LPS). The most striking response in the acute phase reaction of systemic inflammation is fever, but we found no reports of the peripheral action of H2 S on this thermoregulatory response. We aimed at investigating whether endogenous systemic H2 S modulates LPS-induced fever. A temperature datalogger capsule was inserted in the abdominal cavity of male Wistar rats (220-270 g) to record body core temperature. These animals received an i.p. injection of a systemic H2 S inhibitor (propargylglycine; 50 or 75 mg kg-1 ), immediately followed by an i.p. injection of LPS (50 or 2500 MUg kg-1 ), and were exposed to different ambient temperatures (16, 22 or 27 degrees C). At 22 degrees C, but not at 27 degrees C, propargylglycine at 75 mg kg-1 significantly attenuated (P < 0.0001) the fever induced by LPS (50 MUg kg-1 ), indicating a modulatory (permissive) action of endogenous peripheral H2 S on brown adipose tissue (BAT) thermogenesis. Evidence on the modulatory role of peripheral H2 S in BAT thermogenesis was strengthened when we discarded (i) the possible influence of the gas on febrigenic signalling (when measuring plasma cytokines), and (ii) its interaction with the nitric oxide pathway, and mainly when (iii) we carried out physiological and pharmacological activations of BAT. Endogenous peripheral H2 S modulates (permits) BAT activity not only in fever but also during maintenance of thermal homeostasis in cold environments. PMID- 29210121 TI - Proanthocyanidin-rich Pinus radiata bark extract inhibits mast cell-mediated anaphylaxis-like reactions. AB - Mast cells play a critical role in the effector phase of immediate hypersensitivity and allergic reactions. Pinus radiata bark extract exerts multiple biological effects and exhibits immunomodulatory and antioxidant properties. However, its role in mast cell-mediated anaphylactic reactions has not been thoroughly investigated. In this study, we examined the effects of proanthocyanidin-rich water extract (PAWE) isolated from P. radiata bark on compound 48/80-induced or antidinitrophenyl (DNP) immunoglobulin E (IgE)-mediated anaphylaxis-like reactions in vivo. In addition, we evaluated the mechanism underlying the inhibitory effect of PAWE on mast cell activation, with a specific focus on histamine release, using rat peritoneal mast cells. PAWE attenuated compound 48/80-induced or anti-DNP IgE-mediated passive cutaneous anaphylaxis like reactions in mice, and it inhibited histamine release triggered by compound 48/80, ionophore A23187, or anti-DNP IgE in rat peritoneal mast cells in vitro. Moreover, PAWE suppressed compound 48/80-elicited calcium uptake in a concentration-dependent manner and promoted a transient increase in intracellular cyclic adenosine-3',5'-monophosphate levels. Together, these results suggest that proanthocyanidin-rich P. radiata bark extract effectively inhibits anaphylaxis like reactions. PMID- 29210122 TI - Dehydrogenation of N-Heterocycles by Superoxide Ion Generated through Single Electron Transfer. AB - Nitrogen-containing heteroarene motifs are found in numerous pharmaceuticals, natural products, and synthetic materials. Although several elegant methods for synthesis of these compounds through dehydrogenation of the corresponding saturated heterocycles have been reported, some of the methods are hampered by long reaction times, harsh conditions, and the need for catalysts that are not readily available. This work reports a novel method for dehydrogenation of N heterocycles. Specifically, O2.- generated in situ acts as the oxidant for N heterocycle substrates that are susceptible to oxidation through a hydrogen atom transfer mechanism. This method provides a general, green route to N heteroarenes. PMID- 29210123 TI - Differential Modulating Effect of MoS2 on Amyloid Peptide Assemblies. AB - The abnormal fibrillogenesis of amyloid peptides such as amyloid fibril and senior amyloid plaques, is associated with the pathogenesis of many amyloid diseases. Hence, modulation of amyloid assemblies is related to the possible pathogenesis of some diseases. Some two-dimensional nanomaterials, that is, graphene oxide, tungsten disulfide, exhibit strong modulation effects on the amyloid fibrillogenesis. Herein, the modulation effect of molybdenum disulfide on two amyloid peptide assemblies based on the label-free techniques is presented, including quartz crystal microbalance (QCM), AFM, and CD spectroscopy. MoS2 presents different modulating effects on the assembly of amyloid-beta peptide (33 42) [Abeta (33-42)] and amylin (20-29), mainly owing to the distinct affinity between amyloid peptides and MoS2 . This is to our knowledge the first report of MoS2 as a modulator for amyloid aggregation. It enriches the variety of 2D nanomodulators of amyloid fibrillogenesis and explains the mechanism for the self assembly of amyloid peptides, and expands the applications of MoS2 in biology. PMID- 29210124 TI - A novel herbal composition containing extracts of Boswellia serrata gum resin and Aegle marmelos fruit alleviates symptoms of asthma in a placebo controlled double blind clinical study. AB - LI13109F is a novel herbal composition containing the extracts of Boswellia serrata gum resin and Aegle marmelos fruit. This composition dampens leukotriene dependent inflammatory reactions via inhibiting 5-lipoxygenase pathway. In a Sephadex LH-20 induced airway inflammation model of Sprague Dawley rats, LI13109F significantly reduced infiltrated granulocyte population in the bronco-alveolar lavage fluid and normalized Th1/Th2 cytokine balance. Further, a 56-day placebo controlled and randomized double blind study (Clinical Trial Registration No. CTRI/2016/10/007393) on subjects with mild to moderate asthma has evaluated the clinical efficacy of LI13109F. The study subjects received either 200 mg/day of LI13109F (n = 18) or a similar dosage of placebo (n = 18). At the end of the trial period, LI13109F conferred significant improvements in the clinical parameters; the emotional function (p = .0305) and asthma symptoms scores (p = .0002) were improved even at 14 days, compared with the placebo. Further, 56 days supplementation of LI13109F resulted in significant increase in serum IFN-gamma (p = .0014) and reduction in IL-4 (p = .0497), compared with placebo. LI13109F supplementation did not yield any serious adverse events or any abnormal observations in routine laboratory examinations during the study. Together, these observations suggest that LI13109F (AlvioLife(r)) is tolerable and an effective intervention for management of mild to moderate asthma such as airway inflammation. PMID- 29210125 TI - A Water-Stable Luminescent ZnII Metal-Organic Framework as Chemosensor for High Efficiency Detection of CrVI -Anions (Cr2 O72- and CrO42- ) in Aqueous Solution. AB - A new luminescent ZnII -MOF with 1D triangular channels along the b axis, namely NUM-5, has been successfully assembled and well characterized, which features good stability, especially in aqueous solution. Interestingly, this compound exhibits a fast, sensitive and selective luminescence quenching response towards CrVI (Cr2 O72- /CrO42- ) in aqueous solution. The detection limits towards Cr2 O72- and CrO42- ions are estimated to be 0.7 and 0.3 ppm, respectively, which are among the lowest detection limits reported for the MOF-based fluorescent probes that can simultaneously detect Cr2 O72- and CrO42- in aqueous environment. The possible detection mechanism has been discussed in detail. Moreover, it can be easily regenerated after detection experiments, indicative of excellent recyclability. All these results suggest NUM-5 to be a highly selective and recyclable luminescent sensing material for the quantitative detection of CrVI anions in aqueous solution. PMID- 29210126 TI - Crosslink between calcium and sodium signalling. AB - NEW FINDINGS: What is the topic of this review? This paper overviews the links between Ca2+ and Na+ signalling in various types of cells. What advances does it highlight? This paper highlights the general importance of ionic signalling and overviews the molecular mechanisms linking Na+ and Ca2+ dynamics. In particular, the narrative focuses on the molecular physiology of plasmalemmal and mitochondrial Na+ -Ca2+ exchangers and plasmalemmal transient receptor potential channels. Functional consequences of Ca2+ and Na+ signalling for co-ordination of neuronal activity with astroglial homeostatic pathways fundamental for synaptic transmission are discussed. ABSTRACT: Transmembrane ionic gradients, which are an indispensable feature of life, are used for generation of cytosolic ionic signals that regulate a host of cellular functions. Intracellular signalling mediated by Ca2+ and Na+ is tightly linked through several molecular pathways that generate Ca2+ and Na+ fluxes and are in turn regulated by both ions. Transient receptor potential (TRP) channels bridge endoplasmic reticulum Ca2+ release with generation of Na+ and Ca2+ currents. The plasmalemmal Na+ -Ca2+ exchanger (NCX) flickers between forward and reverse mode to co-ordinate the influx and efflux of both ions with membrane polarization and cytosolic ion concentrations. The mitochondrial calcium uniporter channel (MCU) and mitochondrial Na+ -Ca2+ exchanger (NCLX) mediate Ca2+ entry into and release from this organelle and couple cytosolic Ca2+ and Na+ fluctuations with cellular energetics. Cellular Ca2+ and Na+ signalling controls numerous functional responses and, in the CNS, provides for fast regulation of astroglial homeostatic cascades that are crucial for maintenance of synaptic transmission. PMID- 29210127 TI - Highly Luminescent CsPbX3 (X=Cl, Br, I) Nanocrystals Achieved by a Rapid Anion Exchange at Room Temperature. AB - Cesium lead halide perovskite (CsPbX3 ) nanocrystals (NCs) exhibit an excellent photoelectric performance, which is directly governed by fine-tuning of the composition and preparation of materials with a special phase structure and morphology. However, it is still facing challenges to achieve highly stable and luminescent CsPbX3 NCs at room temperature. Herein, we report on a novel exchange reaction, in which metal halides MX2 (M=Zn, Mg, Cu, or Ca; X=Cl, Br, or I) solids act as anion source to directly prepare CsPbX3 NCs at room temperature without any pretreatment. Introducing small amount of oleic acid or oleylamine speed up the exchange reaction through different promotion mechanisms. Oleic acid coordinates to the surface of the NCs, which increases the reaction activity, and oleylamine greatly enhances the dissolution of ZnCl2 . XRD and TEM tests demonstrate that the cubic phase structure and the morphology of the parent CsPbX3 were well preserved. Moreover, the band-gap energies and photoluminescence (PL) spectra were readily tunable over the entire visible spectral region of lambda=406-685 nm. Our findings could open up the possibilities of using metal halide solids as new anion sources to prepare high-quality CsPbX3 NCs at room temperature. PMID- 29210128 TI - One-pot synthesis and characterization CdTe:Zn2+ quantum dots and its molecular interaction with calf thymus DNA. AB - Tremendous research efforts have been dedicated to fabricating high-quality Zn doped CdTe quantum dots (QDs) for any potential biomedical applications. In particular, the correlation of issues regarding how QDs interact with DNA is of greatest importance. Herein, a pH-responsive study of the interactions between CdTe:Zn2+ quantum dots with 4 different sizes and calf thymus DNA (ctDNA) was conducted using multispectroscopic techniques and electrochemical investigation. Fluorescence studies revealed that this interaction process is predominantly a static process and groove binding was the main binding mode for CdTe:Zn2+ QDs to ctDNA. The calculated negative values of enthalpy (-45.06 kJ mol-1 ) and entropy (-133.62 J mol-1 K-1 ) with temperature changes indicated that the hydrogen bonds and van der Waals interactions played major roles in the reaction. Furthermore, circular dichroism spectroscopy and Fourier transform infrared spectrometry analyses indicate that the normal conformation of ctDNA is discombobulated by CdTe:Zn2+ QDs. In addition, the electrochemical behavior of the affinity of CdTe:Zn2+ QDs for ctDNA agreed well with the results obtained from fluorescence experiments. This study might be meaningful for understanding the molecular binding mechanism of QDs for DNA and provides a basis for QD labeled systems. PMID- 29210130 TI - Home setting after stroke, facilitators and barriers: A systematic literature review. AB - This paper seeks to improve the understanding of the interaction between patients with stroke and the physical environment in their home settings. Stroke care is increasingly performed in the patient's home. Therefore, a systematic review was conducted to identify the existing knowledge about facilitators and barriers in the physical environment of home settings for the stroke rehabilitation process. Based upon Arksey and O'Malley's framework, a Boolean search strategy was performed in the databases; CINAHL, Medline, Web of Science and Scopus. Fifteen articles were retained from the literature search conducted between August and November 2016, and two researchers independently assessed their quality based on the Swedish Council on Health Technology Assessment guidelines. The results suggest that despite the healthcare system's ongoing shift towards home-based rehabilitation, the role played by the physical environment of home settings is still considered a side finding. Moreover, the research appears to focus mainly on how this environment supports mobility and activities of daily living, whereas information regarding the psychosocial and emotional processes that mediate the interaction between stroke survivors and their home setting are missing. A lack of information was also found with regard to the influence of different geographic locations on the stroke rehabilitation process. Future investigations are therefore needed to advance the understanding of the role played by the physical environment of home settings in supporting stroke recovery. PMID- 29210129 TI - Effect of resveratrol and pterostilbene on aging and longevity. AB - Over the past years, several studies have found that foods rich in polyphenols protect against age-related disease, such as atherosclerosis, cardiovascular disease, cancer, arthritis, cataracts, osteoporosis, type 2 diabetes (T2D), hypertension and Alzheimer's disease. Resveratrol and pterostilbene, the polyphenol found in grape and blueberries, have beneficial effects as anti-aging compounds through modulating the hallmarks of aging, including oxidative damage, inflammation, telomere attrition and cell senescence. In this review, we discuss the relationship between resveratrol and pterostilbene and possible aging biomarker, including oxidative stress, inflammation, and high-calorie diets. Moreover, we also discuss the positive effect of resveratrol and pterostilbene on lifespan, aged-related disease, and health maintenance. Furthermore, we summarize a variety of important mechanisms modulated by resveratrol and pterostilbene possibly involved in attenuating age-associated disorders. Overall, we describe resveratrol and pterostilbene potential for prevention or treatment of several age-related diseases by modulating age-related mechanisms. (c) 2017 BioFactors, 44(1):69-82, 2018. PMID- 29210131 TI - Allergens produce serine proteases-dependent distinct release of metabolite DAMPs in human bronchial epithelial cells. AB - BACKGROUND: The respiratory epithelium is a major site for disease interaction with inhaled allergens. Additional to IgE-dependent effects, allergens contain proteases that may stimulate human bronchial epithelial cells (HBECs) through protease-activated receptors, causing the release of mediators important in driving Th2-mediated immune responses. OBJECTIVE: We aimed to investigate whether different allergens induce metabolite DAMPs such as ATP and uric acid (UA) release in HBECs. METHODS: HBECs (BEAS-2B cell line) were exposed to different allergen extracts; house dust mite (HDM), Alternaria alternata, Artemisia vulgaris and Betula pendula and UA, ATP, IL-8 and IL-33 release were measured. Allergen extracts were heat-inactivated or pre-incubated with serine (AEBSF) or cysteine (E64) protease inhibitors to study the involvement of protease activity in ATP, UA and IL-8 release. HDM-induced release of UA was studied in a mouse model of allergic inflammation. RESULTS: All allergens caused dose-dependent rapid release of ATP and IL-8, but only HDM induced UA release from HBECs. HDM also caused release of UA in vivo in our mouse model of allergic inflammation. ATP release by all 4 allergen extracts was significantly reduced by heat inactivation and by serine protease inhibitors. Similarly, the HDM-induced UA release was also abrogated by heat-inactivation of HDM extract and dependent on serine proteases. Furthermore, allergen-induced IL-8 mRNA expression was inhibited by serine protease inhibitors. CONCLUSIONS AND CLINICAL RELEVANCE: ATP was released by all 4 allergens in HBECs supporting the role of ATP involvement in asthma pathology. However, HDM stands out by its capacity to cause UA release, which is of interest in view of the proposed role of UA in early initiation of allergic asthma. Although serine proteases may be involved in the activity of all the studied allergens, further work is warranted to explain the differences between HDM and the other 3 allergens regarding the effects on UA release. PMID- 29210132 TI - Community pharmacists' opinions on skill-mix and delegation in England. AB - OBJECTIVES: Following the 2005 contractual framework amendment, the expanding role of community pharmacy team members required a shift in entrenched views on roles and duties. This study aimed to report on community pharmacists' opinions on skill mix and explore how they can be addressed so that skill mix may be optimised. METHODS: An invitation to complete an online questionnaire was distributed via email, marked for the attention of the lead pharmacist. Following a low response, a paper-based questionnaire was sent to all community pharmacies in England (n = 11,816). Questions elicited data about the respondent, the pharmacy (including staffing profile) and opinions on skill mix. KEY FINDINGS: A total of 1154 returns were received, representing a 10% response rate. Of these, most were pharmacy chains (76%; n = 877), with 5-9 staff (54%; n = 600); commonly open 40-49 hours (42%; n = 487), dispensing <6000 prescriptions per week (41%, n = 533). From 26 statements on skill mix, three factors were identified by principal-components factor analysis: 'working well', 'feeling the pressure' and 'open to development'. Characteristics associated with 'working well': pharmacy owners, single businesses, with pharmacy technician(s), dispensing fewer prescriptions and open shorter hours. Characteristics associated with 'feeling the pressure': pharmacy chains, open longer hours, large numbers of prescriptions and relief pharmacists. Characteristics associated with 'open to development': recently qualified, second pharmacists, working longer hours, chains and dispensing lower numbers of prescriptions. CONCLUSIONS: Although limited by a low response, results suggest being in a position to influence (more experienced, business owners) may be associated with more positive opinions. Further training (including about legalities and leadership) could contribute to optimising skill mix in community pharmacies. PMID- 29210133 TI - Health disparities across education: The role of differential reporting error. AB - One of the most robust findings in health economics is that higher educated individuals tend to be in better health. This paper tests whether health disparities across education are to some extent due to differences in reporting error across education. We test this hypothesis using data from the pooled National Health and Nutrition Examination Survey (NHANES) for 1999-2012, which include both self-reports and objective verification for an extensive set of health behaviors and conditions, including smoking, obesity, high blood pressure, high cholesterol, and diabetes. We find that college graduates are more likely to give false negative reports of obesity and high total cholesterol; one possible explanation for this is social desirability bias. However, college graduates are also significantly less likely to give false positive reports of smoking, obesity, and high cholesterol. Because there are far more truly negative people (who are less likely to give a false positive report) than more truly positive people (who are more likely to give a false negative report), we find that college graduates report their health significantly more accurately overall. PMID- 29210134 TI - Socio-economic status and physicians' treatment decisions. AB - This paper studies the relationship between patients' socio-economic status and general practitioners' (GPs') service provision by exploiting administrative patient-level data with information on consultation length, medical tests, and fee payments for each visit in Norway over a 5-year period (2008-2012). To reduce patient heterogeneity, we limit the sample to a given condition, diabetes type II, that is treated almost exclusively in primary care. We estimate GP fixed effect models and control for a wide set of patient characteristics. Our results show that, for each visit, patients with low education get shorter consultations but more medical tests, patients with low income get less of both, and patients with low education/income get less services in monetary terms. We also find that, during a year, patients with low education/income visit the GP more often and receive more services in monetary terms. Thus, GPs treat patients differently according to their socio-economic status, but we find no support for a social gradient. PMID- 29210135 TI - Functional Polymer Opals and Porous Materials by Shear-Induced Assembly of Tailor Made Particles. AB - Photonic band-gap materials attract enormous attention as potential candidates for a steadily increasing variety of applications. Based on the preparation of easily scalable monodisperse colloids, such optically attractive photonic materials can be prepared by an inexpensive and convenient bottom-up process. Artificial polymer opals can be prepared by shear-induced assembly of core/shell particles, yielding reversibly stretch-tunable materials with intriguing structural colors. This feature article highlights recent developments of core/shell particle design and shear-induced opal formation with focus on the combination of hard and soft materials as well as crosslinking strategies. Structure formation of opal materials relies on both the tailored core/shell architecture and the parameters for polymer processing. The emphasis of this feature article is on elucidating the particle design and incorporation of addressable moieties, i.e., stimuli-responsive polymers as well as elaborated crosslinking strategies for the preparation of smart (inverse) opal films, inorganic/organic opals, and ceramic precursors by shear-induced ordering. PMID- 29210136 TI - Identifying acceptable components for home-based health promotion services for older people with mild frailty: A qualitative study. AB - Mild frailty is common in later life, increasing the risk of hospitalisation, loss of independence and premature death. Targeted health promotion services may reduce adverse outcomes and increase quality of life; however, effective, well developed theory-based interventions are lacking. We aimed to explore perceptions of health promotion behaviours undertaken by older people with mild frailty, barriers and facilitators to engagement, and identify potential components for new home-based health promotion services. We carried out 17 semi-structured qualitative interviews and six focus groups with 53 stakeholders, including 14 mildly frail older people, 12 family carers, 19 community health and social care professionals, and 8 homecare workers, in one urban and one semi-rural area of England. Transcripts were thematically analysed. Older people with mild frailty reported engaging in a variety of lifestyle behaviours to promote health and well being. Key barriers or facilitators to engaging in these included transport, knowledge of local services, social support and acceptance of personal limitations. Older people, carers and professionals agreed that any new service should address social networks and mobility and tailor other content to each individual. Services should aim to increase motivation through focussing on independence and facilitate older people to continue carrying out behaviours that improve their well-being, as well as provide information, motivation, psychological support and practical support. Stakeholders agreed services should be delivered over a sustained period by trained non-specialist workers. New services including these components are likely to be acceptable to older people with mild frailty. PMID- 29210138 TI - Endovascular shedding markers in patients with heart failure with reduced ejection fraction: Results from a single-center exploratory study. AB - BACKGROUND: Endothelial glycocalyx degradation has been associated with multiple pathophysiological processes in cardiovascular disease. AIMS: To explore the role of glycocalyx shedding markers in pathophysiology of HFrEF. METHODS: In 123 HFrEF patients, the concentration, prognostic value, and association of glycocalyx shedding markers with other disease processes were investigated. RESULTS: Median HA levels and syndecan-1 levels in HFrEF patients were, respectively, 29.4 (10.7;61.6) ng/mL and 48.5 (33.6;80.8) ng/mL. Overall, HA-levels were significantly higher in HFrEF patients compared to healthy subjects, but only 31% of HFrEF patients had HA-levels above the cutoff of normal. There was no significant difference among HFrEF patients and healthy subjects regarding syndecan-1 levels. HFrEF patients with elevated HA-levels had a significantly worse outcome (log rank = 0.01) which remained significant after correction for established risk factors (HR 2.53 (1.13-5.69); P = .024). There was no significant relation between levels of shedding markers and neurohumoral activation (PRA, serum aldosterone, NT-proBNP), myocardial injury (HS-trop), inflammation (CRP), or other baseline characteristics. CONCLUSIONS: The glycocalyx shedding marker HA is significantly elevated in a subgroup of HFrEF patients and an independent predictor for worse clinical outcome. Glycocalyx shedding might be an additional factor in the pathophysiology of HF which warrants further investigation. PMID- 29210137 TI - Hyperoxia does not affect oxygen delivery in healthy volunteers while causing a decrease in sublingual perfusion. AB - OBJECTIVE: To determine the human dose-response relationship between a stepwise increase in arterial oxygen tension and its associated changes in DO2 and sublingual microcirculatory perfusion. METHODS: Fifteen healthy volunteers breathed increasing oxygen fractions for 10 minutes to reach arterial oxygen tensions of baseline (breathing air), 20, 40, 60 kPa, and max kPa (breathing oxygen). Systemic hemodynamics were measured continuously by the volume-clamp method. At the end of each period, the sublingual microcirculation was assessed by SDF. RESULTS: Systemic DO2 was unchanged throughout the study (Pslope = .8). PVD decreased in a sigmoidal fashion (max -15% while breathing oxygen, SD18, Pslope = .001). CI decreased linearly (max -10%, SD10, Pslope < .001) due to a reduction in HR (max -10%, SD7, Pslope = .009). There were no changes in stroke volume or MAP. Most changes became apparent above an arterial oxygen tension of 20 kPa. CONCLUSIONS: In healthy volunteers, supraphysiological arterial oxygen tensions have no effect on systemic DO2 . Sublingual microcirculatory PVD decreased in a dose-dependent fashion. All hemodynamic changes appear negligible up to an arterial oxygen tension of 20 kPa. PMID- 29210139 TI - How not to argue against nursing associates. PMID- 29210140 TI - Measuring cancer caregiver health literacy: Validation of the Health Literacy of Caregivers Scale-Cancer (HLCS-C) in an Australian population. AB - Caregivers have been largely neglected in health literacy measurement. We assess the construct validity, and internal consistency of the Health Literacy of Caregivers Scale-Cancer (HLCS-C), and present a revised, psychometrically robust scale. Using data from 297 cancer caregivers (12.4% response rate) recruited from Melbourne, Australia between January-July 2014, confirmatory factor analysis (CFA) was conducted to evaluate the HLCS-C's proposed factor structure. Items were evaluated for: item difficulty, unidimensionality and overall item fit within their domain. Item-threshold-ordering was examined though one-parameter Item Response Theory models. Internal consistency was assessed using Raykov's reliability coefficient. CFA results identified 42 poorly performing/redundant items which were subsequently removed. A 10-factor model was fitted to 46 acceptable items with no correlated residuals or factor cross-loadings accepted. Adequate fit was revealed (chi2WLSMV = 1463.807[df = 944], p < .001, RMSEA = 0.043, CFI = 0.980, TLI = 0.978, WRMR = 1.00). Ten domains were identified: Proactivity and determination to seek information; Adequate information about cancer and cancer management; Supported by healthcare providers (HCP) to understand information; Social support; Cancer-related communication with the care recipient (CR); Understanding CR needs and preferences; Self-care; Understanding the healthcare system; Capacity to process health information; and Active engagement with HCP. Internal consistency was adequate across domains (0.78-0.92). The revised HLCS-C demonstrated good structural, convergent, and discriminant validity, and high internal consistency. The scale may be useful for the development and evaluation of caregiver interventions. PMID- 29210141 TI - Extending Addiction's conflict of interest policy to cover the emerging cannabis industry. PMID- 29210142 TI - Internal validation of Medicaid Analytic eXtract (MAX) data capture for comprehensive managed care plan enrollees from 2007 to 2010. AB - PURPOSE: Because of concerns over incomplete medical encounter capture in Medicaid capitated comprehensive managed care (CMC) plans, researchers have traditionally confined analyses to fee-for-service (FFS) enrollees. We aimed to evaluate the usability of data for CMC enrollees in Medicaid Analytic eXtract (MAX) files for 29 states from 2007 to 2010. METHODS: We applied 7 measures to MAX inpatient, other therapy, and prescription drug files for each state and study year. Four measures were based on "connectivity" criteria where we expected use of a select essential service to be closely connected to another, resulting in "service pairs." Three measures were based on "continuity" criteria where we expected patients to continue chronically used services or treatments when they switched enrollment from FFS to CMC plans. High proportions of continuity and comparable proportions of patients with complete service pairs relative to FFS enrollees may suggest complete data capture for CMC enrollees. Data of states that met preset criteria were considered usable for research and policy analyses. RESULTS: The completeness of CMC enrollees' data in MAX varied by states. Among 22 states having at least 5% CMC plan enrollment, data of 12 states met our quality standard and were considered usable starting in 2007. Four states had usable data starting in 2008 and one in 2009. CONCLUSIONS: The completeness of CMC enrollees' data in MAX improved over the study period. In 17 out of 29 states, CMC enrollees' data in selected years were comparable with FFS enrollees and can be considered for use in analysis. PMID- 29210143 TI - Sudden death in paediatrics as a traumatic experience for critical care nurses. AB - BACKGROUND: Research shows that nurses working in critical care units and in particular, paediatric units, are at risk of developing symptoms of secondary traumatic stress (STS). However, little attention has been given to this phenomenon when associated with situations of sudden death in paediatrics. AIM: This study aimed to examine the impact of sudden death in paediatrics on nurses working in paediatrics critical care units and to explore nurses' experiences of this event. METHODS: This study used a mixed-methods design. The Impact of Event Scale - Revised was used for investigating the presence of STS symptoms. In addition, an interview was conducted with six nurses. RESULTS: Fifty-seven percent of nurses responded to the surveys and six nurses were interviewed. The results showed that the sudden death of children and adolescents is an event that elicits symptoms of STS in nurses. The quantitative assessment, revealed that 19.4% presented total scores indicating high impact. The participants interviewed described experiences of subjective distress, such as intrusive thoughts, avoidance and hyperarousal. Other factors were also reported as influencing the experience of the sudden death of a child/adolescent, namely, the child's age, the cause of death and the family's reaction to the loss. According to the participants, the emotional impact was also determined by parenthood, previous training and professional experience. CONCLUSIONS: Sudden death in paediatric critical care units is one of the most difficult situations in nursing practice and elicits STS symptoms, which may severely impact the physical and psychological health of nurses and ultimately affect the quality of the provided care. RELEVANCE FOR CLINICAL PRACTICE: This study emphasizes the need for promoting better conditions for professional practice, namely, with regard to emotional support, as well as training programmes for skills development in the area of management of traumatic situations and of communication with clients. PMID- 29210144 TI - Adolescent impulsivity as a sex-dependent and subtype-dependent predictor of impulsivity, alcohol drinking and dopamine D2 receptor expression in adult rats. AB - Impulsivity is a personality trait associated with a heightened risk for drug use and other psychiatric conditions. Because impulsivity-related disorders typically emerge during adolescence, there has been interest in exploring methods for identifying adolescents that will be at risk to develop substance use disorders in adulthood. Here, we used a rodent model to assess inhibitory control (impulsive action) and impulsive decision making (impulsive choice) during adolescence (43-50 days old) or adulthood (93-100 days old) and then examined the impact of development on these impulsivity traits by re-testing rats 50 days later. Impulsive action was not stable from adolescence to adulthood in male rats and was lowest in adult male rats, relative to adolescents and female rats. Impulsive choice was stable across development and unaffected by age or sex. Next, we examined the connection between our model of impulsivity and two measures relevant to substance abuse research: the initiation of voluntary alcohol drinking and dopamine D2 receptor (D2 R) expression in the prelimbic prefrontal cortex. Consumption of saccharin-sweetened ethanol during 30-minute sessions in adulthood was associated with adolescent, but not adult, impulsive action, particularly in male rats. Prelimbic D2 R expression was reduced in individuals with high levels of impulsive choice, and this relationship appeared to be strongest among female rats. The results of this study demonstrate that impulsive choice, along with its connection to D2 R expression, is relatively unchanged by the process of development. For impulsive action, however, individual levels of impulsivity during adolescence predict drinking in adulthood despite changes in the measure during development. PMID- 29210145 TI - Squamous cell carcinoma of unknown primary of the head and neck: Favorable prognostic factors comparable to those in oropharyngeal cancer. AB - BACKGROUND: Treatment for squamous cell carcinoma (SCC) of unknown primary consists of radiotherapy (RT) +/- chemotherapy or neck dissection +/- adjuvant RT/chemoradiotherapy (CRT). We compared these strategies and identified prognostic factors. METHODS: From 1993 to 2015, 75 patients with SCC of unknown primary had RT-based or surgery-based treatment. Primary endpoints were overall survival (OS) and disease-free survival (DFS). Event-time distributions were estimated using the Kaplan-Meier method. RESULTS: Five-year OS and DFS for RT based and surgery-based treatments were similar (OS 73% vs 68%, respectively; DFS 65% vs 64%, respectively). Among 38 patients with p16 data, 76% were p16 positive and showed improved 5-year DFS (90% vs 33%; P = .001) and OS (96% vs 33%; P < .001). Smoking history <=10 pack-years conferred better 5-year DFS (88% vs 49%; P < .001) and OS (91% vs 59%; P < .001). CONCLUSION: RT-based and surgery-based treatments produced similar outcomes. Patients with p16-positive disease with <=10 pack-years of smoking history and limited nodal stage constitute a "low risk" group in SCC of unknown primary similar to that in oropharyngeal cancer. PMID- 29210146 TI - Central administration of galanin N-terminal fragment 1-15 decreases the voluntary alcohol intake in rats. AB - Alcohol consumption is considered a major risk factor for disease and mortality worldwide. In the absence of effective treatments in alcohol use disorders, it is important to find new biological targets that could modulate alcohol consumption. We tested the role of the N-terminal galanin fragment (1-15) [GAL(1-15)] in voluntary ethanol consumption in rats using the two-bottle choice paradigm as well as compare the effects of GAL(1-15) with the whole molecule of GAL. We describe for the first time that GAL(1-15), via central mechanisms, induces a strong reduction in preference and ethanol consumption in rats. These effects were significantly different than GAL. GAL receptor (GALR) 2 was involved in these effects, because the specific GALR2 antagonist M871 blocked GAL(1-15) mediated actions in preference and ethanol intake. Importantly, the mechanism of this action involves changes in GALR expression and also in immediate-early gene C-Fos and receptors-internalization-related gene Rab5 in the striatum. The relevance of the striatum as a target for GAL(1-15) was supported by the effect of GAL(1-15) on the locomotor activity of rats after ethanol administration. These results may give the basis for the development of novel therapeutics strategies using GAL(1-15) analogues for the treatment of alcohol use disorders in humans. PMID- 29210147 TI - Drug exposure and the risk of multiple sclerosis: A systematic review. AB - BACKGROUND: Several environmental and lifestyle factors have been associated with multiple sclerosis (MS) risk, including some pharmacological treatments. We systematically reviewed the literature on prescription drug exposure and MS risk. METHODS: Six databases were searched for original observational studies reporting drug exposure and MS risk published before 2017. RESULTS: Thirteen articles fulfilled inclusion criteria. Exposure to neither amiloride nor valproic acid was associated with MS (adjusted hazard ratio (adj.HR = 1.34;95% CI:0.81-2.20; adj.HR = 1.30;95%CI:0.44-3.80, respectively). Four studies explored oral contraceptive exposure and reported no association with MS; while a single study found an increased risk (odds ratio [adj.OR] = 1.52;95%CI:1.21-1.91). While penicillin exposure was associated with reduced risk of developing MS (adj.OR = 0.5;95%CI:0.3-0.9), a later study observed an elevated risk for penicillin (adj.OR = 1.21;95%CI:1.10-1.27) and all antibiotics (adj.OR = 1.41;95%CI:1.29 1.53), which was potentially attributed to underlying infection. Anti-tumor necrosis factor-alpha (TNFalpha) was not associated with MS risk in persons with inflammatory bowel disease (standard morbidity ratio = 4.2;95%CI:0.1-23.0) and arthritis (standardized incidence ratio = 1.38;95%CI:0.69-2.77); however, men exposed to anti-TNFalpha who also had arthritis and individuals with ankylosing spondylitis were at an increased risk (standardized incidence ratios = 3.91;95%CI:1.47-10.42 and 3.48;95%CI:1.45-8.37, respectively). A reduced risk of MS was observed with exposure to the beta2-adrenergic agonist fenoterol (adj.OR = 0.58;95%CI:0.45-0.76), and the sedating histamine 1-receptor antagonists (adj.OR = 0.2;95%CI:0.1-0.8), but not the non-sedating equivalent (adj.OR = 0.8;95%CI:0.4 1.6). CONCLUSIONS: The suggestion that some drugs may prevent MS is intriguing and warrants further study. In addition, further pharmacovigilance is needed to assess the safety of anti-TNFalpha drugs in specific populations in the context of MS risk. PMID- 29210148 TI - Sex differences in adult mortality rate mediated by early-life environmental conditions. AB - Variation in sex differences is affected by both genetic and environmental variation, with rapid change in sex differences being more likely due to environmental change. One case of rapid change in sex differences is human lifespan, which has become increasingly female-biased in recent centuries. Long term consequences of variation in the early-life environment may, in part, explain such variation in sex differences, but whether the early-life environment mediates sex differences in life-history traits is poorly understood in animals. Combining longitudinal data on 60 cohorts of pre-industrial Finns with environmental data, we show that the early-life environment is associated with sex differences in adult mortality and expected lifespan. Specifically, low infant survival rates and high rye yields (an important food source) in early life are associated with female-bias in adult lifespan. These results support the hypothesis that environmental change has the potential to affect sex differences in life-history traits in natural populations of long-lived mammals. PMID- 29210149 TI - Retinal vascular complications associated with interferon-ribavirin therapy for chronic hepatitis C: A population-based study. AB - PURPOSE: To investigate the incidence of retinal vascular complications and risk factors in patients with chronic hepatitis C receiving interferon-ribavirin therapy in Taiwan. METHODS: By using the Taiwan National Health Insurance Research Database, we compared the incidence of retinal vascular complications between patients receiving and not receiving interferon-ribavirin treatment. The exposure and nonexposure groups were randomly 1:1 frequency-matched according to age, sex, income, urbanization level, hypertension, and diabetes. Incidence of each retinal vascular complication and hazard ratios were assessed in the follow up evaluation. RESULTS: Of the sample of 4736 patients, a total of 182 patients (3.84%) developed retinopathy during the follow-up period, of which 110 patients (4.65%) received interferon-ribavirin therapy and 72 patients (3.04%) did not receive interferon-ribavirin therapy. After multivariate adjustments, the risk of retinopathy during the follow-up period was 1.533 (95% confidence interval [CI], 1.139-2.064; P = .0048) times higher in patients receiving interferon-ribavirin therapy than in those in the comparison cohort not receiving the therapy. Patients with hypertension compared with those without it (adjusted hazard ratio, 1.530; 95% CI, 1.069-2.135; P = .0125) also had an increased risk of retinopathy. CONCLUSIONS: Interferon-ribavirin therapy was associated with a 53.3% increased risk of retinal vascular complications compared with not receiving the therapy. Regular ophthalmologic examination is essential for patients receiving interferon ribavirin, particularly those with hypertension. PMID- 29210150 TI - Research Leads to Approved Therapies in the New Era of Living Medicine. PMID- 29210151 TI - Re: Inositol treatment of anovulation in women with polycystic ovary syndrome: a meta-analysis of randomised trials. PMID- 29210152 TI - HbAHP-25 attenuates HIV-1 gp120 mediated inflammation and barrier dysfunction. AB - OBJECTIVES: Development of HbAHP-25, a peptide that prevents HIV-1 entry into cells by blocking gp120-CD4 interaction, as a topical anti-HIV drug, necessitates that it is first tested for toxic or abrasive effects on genital epithelial cells and also on the vaginal microbiome. The present study was, therefore, undertaken to investigate whether: (1) HbAHP-25 has any adverse effect on growth and membrane integrity of various cell lines, and (2) HbAHP-25 neutralizes gp120 mediated insults on genital epithelial cells. METHODS: MTT and trans-epithelial resistance (TER) assays were performed to assess the viability and integrity of epithelial cells. Real-time PCR and Immunofluorescence/Western blotting were used to decipher the expression of tight junction proteins, at the mRNA and protein levels, respectively. A multiplex cytokine assay was performed to quantify the cytokines. RESULTS: HbAHP-25 had no adverse effect on the viability of VK2/E6E7, End1/E6E7, Ect1/E6E7 and HEC-1A cells, and also on growth of lactobacilli. The barrier integrity of HbAHP-25-treated cells remained unaltered. Expression of tight junction proteins, Claudin-1 and ZO-1, at transcript and protein levels, remained unaltered in HbAHP-25-treated HEC-1A cells. Interestingly, HbAHP-25 treatment prevented the breach of barrier integrity caused by gp120. Further, HbAHP-25 did not elicit the expression of inflammatory cytokines. Instead, the in vitro induction of inflammatory cytokines by gp120 was also abrogated in the presence of HbAHP-25. CONCLUSION: HbAHP-25 is exceedingly safe to genital epithelial cells and attenuates HIV-1 gp120-mediated barrier dysfunction by limiting excessive inflammation. This study provides significant evidences in the favor of HbAHP-25's potential as a topical anti-HIV agent. PMID- 29210153 TI - Re: Comparison of management regimens following ultrasound diagnosis of nontubal ectopic pregnancies: a retrospective cohort study: Interstitial pregnancies: a diagnosis and treatment challenge. PMID- 29210154 TI - Re: Insights from Outside BJOG. Research Snippets: Further evidence of serious harm of early cord clamping. PMID- 29210155 TI - A 30 nm Nanopore Electrode: Facile Fabrication and Direct Insights into the Intrinsic Feature of Single Nanoparticle Collisions. AB - Clarifying the hidden but intrinsic feature of single nanoparticles by nanoelectrochemistry could help understand its potential for diverse applications. The uncontrolled interface and bandwidth limitation in the electrochemical measurement put the obstacle in single particle collision. Here, we demonstrate a well-defined 30 nm nanopore electrode with a rapid chemical electrochemical fabrication method which provides a high reproducibility in both size and performance. A capacitance-based detection mechanism is demonstrated to achieve a high current resolution of 0.6 pA +/-0.1 pA (RMS) and a high the temporal resolution of 0.01 ms. By utilizing this electrode, the dynamic interactions of every single particle in the mixture could be directly read during the collision process. The collision frequency is two orders of magnitude higher than previous reports, which helps reveal the hidden features of nanoparticles during the complex and multidimensional interaction processes. PMID- 29210156 TI - Selective Nascent Polymer Catch-and-Release Enables Scalable Isolation of Multi Kilobase Single-Stranded DNA. AB - Scalable methods currently are lacking for isolation of long ssDNA, an important material for numerous biotechnological applications. Conventional biomolecule purification strategies achieve target capture using solid supports, which are limited in scale and susceptible to contamination owing to nonspecific adsorption and desorption on the substrate surface. We herein disclose selective nascent polymer catch and release (SNAPCAR), a method that utilizes the reactivity of growing poly(acrylamide-co-acrylate) chains to capture acrylamide-labeled molecules in free solution. The copolymer acts as a stimuli-responsive anchor that can be precipitated on demand to pull down the target from solution. SNAPCAR enabled scalable isolation of multi-kilobase ssDNA with high purity and 50-70 % yield. The ssDNA products were used to fold various DNA origami. SNAPCAR-produced ssDNA will expand the scope of applications in nanotechnology, gene editing, and DNA library construction. PMID- 29210157 TI - Electronic Properties of h-BCN-Blue Phosphorene van der Waals Heterostructures. AB - Van der Waals heterostructures, a new class of materials made of a vertically selective assembly of various 2D monolayers held together by van der Waals forces, have attracted a great deal of attention due to their promise to deliver novel electronic and optoelectronic properties that are not achievable by using individual 2D crystals. Using density functional theory (DFT), it is revealed that van der Waals heterostructures composed of monolayers of hexagonal boron nitride (h-BN) and the latest P allotrope blue phosphorus (blue phosphorene, BlueP) forms a straddling type I band offset for which the band edges exclusively belong to BlueP. This feature enables h-BN to act as a protective coating material to resolve the air instability of BlueP. Furthermore, substitutional doping of C into h-BN (h-BCN) at a suitable concentration induces h-BCN-BlueP into staggered type II band offset. The type II band alignment triggered by the intensified built-in electric field across the sheets implies improved carrier mobility and the suppressed recombination of photogenerated hole pairs. These major benefits can pave the way for the potential functionality of h-BCN-BlueP to be exploited for efficient photovoltaic devices. PMID- 29210158 TI - Screening for human papillomavirus, cervical cytological abnormalities and associated risk factors in HIV-positive and HIV-negative women in Rwanda. AB - OBJECTIVES: Cervical cancer is the major cause of death from cancer in Africa. We wanted to assess the prevalence of human papillomavirus (HPV) infections and associated risk factors and to determine whether HPV testing could serve as a screening method for squamous intraepithelial lesions (SILs) in Rwanda. We also wanted to obtain a broader understanding of the underlying risk factors for the establishment of HPV infection in Rwanda. METHODS: A total of 206 HIV-positive women, 172 HIV-negative women and 22 women with unknown HIV status were recruited at the University Teaching Hospitals of Kigali (UTHK) and of Butare (UTHB) in Rwanda. Participants underwent an interview, cervical sampling for a Thinprep Pap test and a screening test analysing 37 HPV strains. RESULTS: Only 27% of HIV positive women and 7% of HIV-negative women had been screened for cervical cancer before. HPV16 and HPV52 were the most common HPV strains. HIV-positive women were more commonly infected with high-risk (HR) HPV and multitype HPV than HIV negative women. The sensitivity was 78% and the specificity 87% to detect high grade SIL (HSIL) with HPV screening. Among HIV-negative women, being divorced was positively associated with HR-HPV infection, while hepatitis B, Trichomonas vaginalis infection and HR-HPV infection were factors positively associated with SILs. Ever having had gonorrhoea was positively associated with HR-HPV infection among HIV-positive women. HR-HPV infection and the number of live births were positively associated with SILs. CONCLUSIONS: The currently used quadrivalent vaccine may be insufficient to give satisfactory HPV coverage in Rwanda. HPV Screening may be effective to identify women at risk of developing cervical cancer, particularly if provided to high-risk patients. PMID- 29210159 TI - Safety of mTOR inhibitor continuation in pediatric heart transplant recipients undergoing surgical procedures. AB - mTOR inhibitors have been associated with SWC when used in the perioperative period. Limited literature is available to guide providers in managing chronic mTOR inhibitor use in the perioperative period, especially in the pediatric setting. The primary aim of this study was to describe the prevalence of SWC with mTOR inhibitor continuation during the perioperative period for major surgeries. Heart transplant recipients <=25 years old at the time of primary heart transplant receiving sirolimus maintenance therapy during a surgical procedure and within the study period were included. Surgeries identified within the study period included otolaryngology procedures (46.2%), such as tonsillectomies with or without adenoidectomies, cardiac surgeries (30.8%) including a sternal revision, pulmonary vein repair, and pacemaker placement in two patients, orthopedic surgeries (15.4%) including a posterior spinal fusion and an Achilles tendon lengthening with ankle and subtalar joint release, and a neurosurgery (7.7%), which was a ventriculoperitoneal shunt revision. Thirteen surgical encounters were examined. One SWC was observed, an infected pacemaker requiring systemic antibiotics and removal of the device. The results of this study suggest that sirolimus may be continued in the perioperative period based on the low rate of SWC observed. PMID- 29210160 TI - "Dumbbell"- and "Clackers"-Shaped Dimeric Derivatives of Monocarba-closo dodecaborate. AB - We designed, synthesized, and characterized two types of dimeric forms of monocarba-closo-dodecaborate, namely, a "dumbbell"-shaped dianion having a C-C bond and a "clackers"-shaped monoanion having an iodonium linker. The unique architectures of these anionic molecules were established by X-ray analysis. Spectroscopic analysis, DFT calculations, and reactivity experiments revealed high anionic and chemical stability of both anions, which are crucial properties for weakly coordinating anions. PMID- 29210161 TI - Do time of birth, unit volume, and staff seniority affect neonatal outcome in deliveries at >=34+0 weeks of gestation? AB - OBJECTIVE: We investigated whether time of birth, unit volume, and staff seniority affect neonatal outcome in neonates born at >=34+0 weeks of gestation. DESIGN: Population-based prospective cohort study. SETTING: Ten public hospitals in the Austrian province of Styria. SAMPLE: A total of 87 065 neonates delivered in the period 2004-2015. METHODS: Based on short-term outcome data, generalised linear mixed models were used to calculate the risk for adverse and severely adverse neonatal outcomes according to time of birth, unit volume, and staff seniority. MAIN OUTCOME MEASURES: Neonatal composite adverse and severely adverse outcome measures. RESULTS: The odds ratio for severely adverse events during the night-time (22:01-07:29 hours) compared with the daytime (07:30-15:00 hours) was 1.35 (95% confidence interval, 95% CI 1.13-1.61). There were no significant differences in neonatal outcome comparing weekdays and weekends, and comparing office hours and shifts. Units with 500-1000 deliveries per year had the lowest risk for adverse events. Adverse and severely adverse neonatal outcomes were least common for midwife-guided deliveries, and became more frequent with the level of experience of the doctors attending the delivery. With increasing pregnancy risks, senior staff attending delivery and delivering in a tertiary centre reduce the odds ratio for adverse events. CONCLUSIONS: Different times of delivery were associated with increased adverse neonatal outcomes. The management of uncomplicated deliveries by less experienced staff showed no negative impact on perinatal outcome. In contrast, riskier pregnancies delivered by senior staff in a tertiary centre favour a better outcome. Achieving a better balance in the total number of labour ward staff during the day and the night appears to be a greater priority than increasing the continuous presence of senior obstetrical staff on the labour ward during the out-of-hours period. TWEETABLE ABSTRACT: Deliveries during night time lead to a greater number of neonates experiencing severely adverse events. PMID- 29210162 TI - Authors' reply re: Comparison of management regimens following ultrasound diagnosis of nontubal ectopic pregnancies: a retrospective cohort study. PMID- 29210163 TI - Author's reply re: Insight from outside BJOG. Research Snippets. PMID- 29210164 TI - Relative risk of home hemodialysis attrition in patients using a telehealth platform. AB - INTRODUCTION: Home hemodialysis (HHD) facilitates increased treatment frequency, which may improve patient outcomes. However, attrition due to technique failure limits the clinical effectiveness of the modality. Nx2me Connected Health is a telehealth platform that enables ongoing assessment of HHD patients using NxStage equipment, and that may reduce patient burden. We aimed to assess whether use of Nx2me was associated with risk of HHD attrition. METHODS: We compared risks of all-cause attrition, dialysis cessation (i.e., death or transplant), and technique failure in Nx2me users and matched control patients, using a retrospective cohort study. We also compared the likelihood of HHD training graduation in patients who initiated use of Nx2me during training with the likelihood in matched control patients. Matching factors included date of HHD initiation, NxStage treatment duration at initiation of follow-up, and prescribed treatment frequency. We used stratified Fine-Gray and Cox regression to compare risks, with adjustment for demographic factors and vascular access modality, and stratification by matched cluster. FINDINGS: We identified 606 Nx2me users; 49.5% initiated use of Nx2me in <3 months after initiation of HHD with NxStage equipment. Adjusted hazard ratios (AHRs) of all-cause attrition, dialysis cessation, and technique failure were 0.80 (95% confidence interval, 0.68-0.95), 1.10 (0.86-1.41), and 0.71 (0.57-0.87), respectively, for Nx2me users vs. matched controls. AHRs were similar in patients who initiated use of Nx2me in <3 months after initiation of HHD. The AHR of HHD training graduation was 1.61 (1.10-2.36) in patients who initiated use of Nx2me within 2 weeks of training initiation vs. matched controls. DISCUSSION: Use of Nx2me was associated with lower risk of all cause attrition, lower risk of technique failure, and higher likelihood of HHD training graduation. Further studies are needed to identify the mechanisms by which use of a telehealth platform may improve clinical outcomes and reduce patient burden. PMID- 29210165 TI - Re: Maternal prepregnancy obesity and the risk of shoulder dystocia: a meta analysis. PMID- 29210167 TI - The Solid-Phase Synthesis of an Fe-N-C Electrocatalyst for High-Power Proton Exchange Membrane Fuel Cells. AB - The environmentally friendly synthesis of highly active Fe-N-C electrocatalysts for proton-exchange membrane fuel cells (PEMFCs) is desirable but remains challenging. A simple and scalable method is presented to fabricate FeII -doped ZIF-8, which can be further pyrolyzed into Fe-N-C with 3 wt % of Fe exclusively in Fe-N4 active moieties. Significantly, this Fe-N-C derived acidic PEMFC exhibits an unprecedented current density of 1.65 A cm-2 at 0.6 V and the highest power density of 1.14 W cm-2 compared with previously reported NPMCs. The excellent PEMFC performance can be attributed to the densely and atomically dispersed Fe-N4 active moieties on the small and uniform catalyst nanoparticles. PMID- 29210166 TI - Phytoceuticals in Fenugreek Ameliorate VLDL Overproduction and Insulin Resistance via the Insig Signaling Pathway. AB - SCOPE: This study aims to characterize the effect of fenugreek (Trigonella foenum graecum) seed and its phytoceutical trigonelline in antimetabolic inflammation and ameliorating overproduction of very low density lipoprotein (VLDL) in insulin resistance. METHODS AND RESULTS: Two groups of genetic hyperlipidemic mice generated by depletion of cAMP responsive element binding protein H (CREBH) are fed either a chow containing 2% fenugreek seed or vehicle for 7 weeks. Q-RT-PCR and immunoblotting analysis demonstrated that fenugreek seed containing diet inhibits hepatic SREBP-1c activation and the subsequent de novo lipogenesis by enhancing expression of insulin-inducible gene-1 (Insig-1) and gene-2 (Insig-2). mRNA expression of PPARalpha and its target genes that are involved in fatty acid beta-oxidation are also upregulated in the fenugreek seed fed-mice which is accompanied by significantly reduced hepatic lipid accumulation and VLDL secretion, improved endoplasmic reticulum (ER) stress, and ameliorated metabolic inflammation. These actions enhance insulin sensitivity and improve hyperlipidemia. In vitro, treating a rat hepatoma cell line, McA-RH7777 (McA), with trigonelline is able to recapitulate the results observed in vivo. CONCLUSIONS: This study unveils a novel mechanism of fenugreek seed and trigonelline in countering hepatic VLDL overproduction and insulin resistance by enhancing the Insig signaling pathways and ameliorating metabolic inflammatory stress in the liver. PMID- 29210168 TI - Effect of aorto-ventricular angulation on procedural success in transcatheter aortic valve replacements with the Lotus Valve system. AB - OBJECTIVE: To determine the effect of aorto-ventricular angulation (AA) on procedural success with the Lotus Valve system. BACKGROUND: AA, the angulation of the aortic valve basal plane, may affect the deployment of transcatheter aortic valve replacements (TAVRs). The Lotus Valve system is fully repositionable and delivered on a pre-shaped catheter which may alter the impact of AA on its deployment. The effect of AA on procedural and clinical outcomes with the Lotus valve is unreported. METHODS: Consecutive patients who underwent transfemoral TAVR with the Lotus Valve system were analyzed. AA was determined on pre procedural multi-detector computed tomography imaging. Device success, procedural characteristics, and clinical events were assessed according to Valve Academic Research Consortium-2 (VARC2) definitions. RESULTS: One hundred sixty-five patients were analyzed (48% male, mean age 84 years). The mean AA was 47.8 degrees. Patients were, therefore, divided into low AA (AA < 48 degrees ) or high AA (AA >= 48 degrees ). Baseline characteristics were similar in both cohorts. Device success and procedural outcomes were also similar including procedure time, contrast dose, and need to reposition. There was no difference in degree of moderate or greater para-valvular regurgitation (PVR) (0% vs. 3%, P = 0.09). Clinical outcomes of death, stroke, myocardial infarction, and other major VARC2 endpoints were similar. CONCLUSION: AA did not affect device success or clinical outcome with the Lotus Valve system. The Lotus' unique design features may have mitigated the impact of AA by improving the accuracy, ease of valve positioning, and reducing PVR. PMID- 29210169 TI - Electrospun nanofibers comprising of silk fibroin/gelatin for drug delivery applications: Thyme essential oil and doxycycline monohydrate release study. AB - In this study, a nanofibrous electrospun substrate based on the silk fibroin (SF) and gelatin (GT) polymers were prepared and evaluated. The SF/GT blended solutions were prepared with various ratios of GT in formic acid and electrospun to obtain bead-free fibers. Results showed that addition of GT to SF increased nanofiber's diameter, bulk hydrophilicity, surface wettability, mass loss percentage, but decreased Young's modulus, tensile strength, and porosity of the SF/GT mats. According to the obtained results, the mat containing 10% of GT was selected as the optimized mat for further studies and loaded with thyme essential oil (TEO) and doxycycline monohydrate (DCMH) as the antibacterial agents. Release studies showed a burst release of TEO from the mat within the first 3 h, while the DCMH had a sustained release during 48 h. In comparison to the TEO-loaded mat, the DCMH-loaded one showed larger inhibition zones against Staphylococcus aureus and Klebsiella pneumoniae bacteria. Meanwhile, cellular studies using mouse fibroblast L929 cells showed excellent cell-compatibility of TEO- and DCMH loaded mats. (c) 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1092-1103, 2018. PMID- 29210170 TI - Erring on the side of education. PMID- 29210171 TI - A realist review of one-to-one breastfeeding peer support experiments conducted in developed country settings. AB - The World Health Organisation guidance recommends breastfeeding peer support (BFPS) as part of a strategy to improve breastfeeding rates. In the UK, BFPS is supported by National Institute for Health and Care Excellence guidance and a variety of models are in use. The experimental evidence for BFPS in developed countries is mixed and traditional methods of systematic review are ill-equipped to explore heterogeneity, complexity, and context influences on effectiveness. This review aimed to enhance learning from the experimental evidence base for one to-one BFPS intervention. Principles of realist review were applied to intervention case studies associated with published experimental studies. The review aimed (a) to explore heterogeneity in theoretical underpinnings and intervention design for one-to-one BFPS intervention; (b) inform design decisions by identifying transferable lessons developed from cross-case comparison of context-mechanism-outcome relationships; and (c) inform evaluation design by identifying context-mechanism-outcome relationships associated with experimental conditions. Findings highlighted poor attention to intervention theory and considerable heterogeneity in BFPS intervention design. Transferable mid-range theories to inform design emerged, which could be grouped into seven categories: (a) congruence with local infant feeding norms, (b) integration with the existing system of health care, (c) overcoming practical and emotional barriers to access, (d) ensuring friendly, competent, and proactive peers, (e) facilitating authentic peer-mother interactions, (f) motivating peers to ensure positive within intervention amplification, and (g) ensuring positive legacy and maintenance of gains. There is a need to integrate realist principles into evaluation design to improve our understanding of what forms of BFPS work, for whom and under what circumstances. PMID- 29210172 TI - Experience of dental care, knowledge and attitudes of older immigrants in Sweden A qualitative study. AB - OBJECTIVES: Knowledge about the oral health and dental care habits of older immigrants is limited. The aim of this study was to explore dental service utilization, oral care habits, and attitudes to and knowledge about oral diseases and their prevention among older immigrants in Sweden. METHODS: A qualitative research method was used, and data were collected in individual interviews to gain a deeper understanding of the immigrants' views. Thirteen immigrants, seven women and six men, recruited from meeting places for older immigrants, participated, all aged between 59 and 88 (median 72 years). Interviews were tape recorded and transcribed verbatim. Eight interviews were carried out with the help of an authorized interpreter. RESULTS: In the analytical process, performed using the content analysis method, meaning units were identified and condensed into codes which were labelled and grouped into subcategories and categories. The interview analysis resulted in four categories: Experiences of dental care, Attitudes, Barriers and Prevention of oral diseases. The elderly immigrants described a mix of regular and acute dental care and were often not satisfied with the outcome of the treatments. They stated that oral health was important and that they were responsible for their own teeth. Barriers to dental care were costs, language problems and lack of confidence in dental services. Daily oral hygiene routines were performed using a traditional chewing stick and/or regular toothbrush. CONCLUSION: The participants stated that, despite the barriers to treatment described above, they valued good oral health and visited dental services when they needed to. PMID- 29210173 TI - Direct and indirect approaches to identify drug modes of action. AB - Phenotypic assays are becoming increasingly more common among drug discovery practices, expanding drug target diversity as lead compounds identified through such screens are not limited to known targets. While increasing diversity is beneficial to the drug discovery process and the fight against disease, the unknown modes of action of new lead compounds can hamper drug discovery as, in most cases, the process of lead compound optimization is made difficult due to the unknown nature of the target; blindly changing substituents can prove fruitless due to the inexhaustible number of potential combinations, and it is therefore desirable to rapidly identify the targets of lead compounds developed through phenotypic screening. In addition, leads identified through target-based screening often have off-target effects that contribute towards drug toxicity, and by identifying those secondary targets, the drugs can be improved. However, the identification of a leads mode of action is far from trivial and now represents a major bottleneck in the drug discovery pipeline. This review looks at some of the recent developments in the identification of drug modes of action, focusing on phenotype-based methods using metabolomics, proteomics, transcriptomics, and genomics to detect changes in phenotype in response to the presence of the drug, and affinity-based methods using modified/unmodified drug as bait to capture and identify targets. (c) 2017 IUBMB Life, 70(1):9-22, 2018. PMID- 29210174 TI - Autophagy controls mesenchymal stem cell properties and senescence during bone aging. AB - Bone marrow-derived mesenchymal stem cells (BMMSCs) exhibit degenerative changes, including imbalanced differentiation and reduced proliferation during aging, that contribute to age-related bone loss. We demonstrate here that autophagy is significantly reduced in aged BMMSCs compared with young BMMSCs. The autophagy inhibitor 3-methyladenine (3-MA) could turn young BMMSCs into a relatively aged state by reducing their osteogenic differentiation and proliferation capacity and enhancing their adipogenic differentiation capacity. Accordingly, the autophagy activator rapamycin could restore the biological properties of aged BMMSCs by increasing osteogenic differentiation and proliferation capacity and decreasing adipogenic differentiation capacity. Possible underlying mechanisms were explored, and the analysis revealed that autophagy could affect reactive oxygen species and p53 levels, thus regulating biological properties of BMMSCs. In an in vivo study, we found that activation of autophagy restored bone loss in aged mice. In conclusion, our results suggest that autophagy plays a pivotal role in the aging of BMMSCs, and activation of autophagy could partially reverse this aging and may represent a potential therapeutic avenue to clinically treat age related bone loss. PMID- 29210176 TI - Online measurement of hemodialysis adequacy using effective ionic dialysance of sodium-a review of its principles, applications, benefits, and risks. AB - Dialysis dose is an important determinant of clinical outcomes in patients with end stage renal disease on maintenance dialysis. In clinical practice dialysis dose is monitored at least monthly by urea clearance based on Urea Kinetic Modeling. Online clearance monitoring using effective ionic dialysance (EID) of sodium (Na+ ) is available on some hemodialysis machines. This paper reviews the background, methodology, additional applications, and potential risks associated with EID. Effective ionic dialysance provides a reliable, real-time, noninvasive, and inexpensive measurement of dialysis dose during an ongoing hemodialysis (HD) session to allow interventions and assess the impact of these changes on clearance. Surveillance of vascular access flow rates can be used to screen for access dysfunction and refer for interventions. There is a concern that EID measurements may cause Na+ loading because of high dialysate Na+ used during these measurements, however, mathematical models, in vitro experiments, and clinical studies in patients on maintenance HD do not show any evidence of Na+ loading during EID measurements. We cannot rule out the possibility of nonosmotic Na+ accumulation in the skin because no published literature exists on this topic as it pertains to clearance measurements based on EID of Na+ . PMID- 29210175 TI - Site-specific and endothelial-mediated dysfunction of the alveolar-capillary barrier in response to lipopolysaccharides. AB - Infectious agents such as lipopolysaccharides (LPS) challenge the functional properties of the alveolar-capillary barrier (ACB) in the lung. In this study, we analyse the site-specific effects of LPS on the ACB and reveal the effects on the individual cell types and the ACB as a functional unit. Monocultures of H441 epithelial cells and co-cultures of H441 with endothelial cells cultured on Transwells(r) were treated with LPS from the apical or basolateral compartment. Barrier properties were analysed by the transepithelial electrical resistance (TEER), by transport assays, and immunostaining and assessment of tight junctional molecules at protein level. Furthermore, pro-inflammatory cytokines and immune-modulatory molecules were evaluated by ELISA and semiquantitative real time PCR. Liquid chromatography-mass spectrometry-based proteomics (LS-MS) was used to identify proteins and effector molecules secreted by endothelial cells in response to LPS. In co-cultures treated with LPS from the basolateral compartment, we noticed a significant reduction of TEER, increased permeability and induction of pro-inflammatory cytokines. Conversely, apical treatment did not affect the barrier. No changes were noticed in H441 monoculture upon LPS treatment. However, LPS resulted in an increased expression of pro-inflammatory cytokines such as IL-6 in OEC and in turn induced the reduction of TEER and an increase in SP-A expression in H441 monoculture, and H441/OEC co-cultures after LPS treatment from basolateral compartment. LS-MS-based proteomics revealed factors associated with LPS-mediated lung injury such as ICAM-1, VCAM-1, Angiopoietin 2, complement factors and cathepsin S, emphasizing the role of epithelial-endothelial crosstalk in the ACB in ALI/ARDS. PMID- 29210177 TI - Mitochondrial fission promotes cell migration by Ca2+ /CaMKII/ERK/FAK pathway in hepatocellular carcinoma. AB - BACKGROUND & AIMS: Mitochondrial dynamics of fission and fusion plays critical roles in a diverse range of important cellular functions, and its deregulation has been increasingly implicated in human diseases. Previous studies have shown that increased mitochondrial fission significantly promoted the proliferation of hepatocellular carcinoma (HCC) cells. However, how they influence the migration of tumour cells remained largely unknown. METHODS: In the present study, we further investigated the effect of mitochondrial fission on the migration and metastasis of hepatocellular carcinoma cells. Moreover, the underlying molecular mechanisms and therapeutic application were explored. RESULTS: Our data showed that dynamin-1-like protein expression was strongly increased in distant metastasis of hepatocellular carcinoma when compared to primary hepatocellular carcinoma. In contrast, the mitochondrial fusion protein mitofusin 1 showed an opposite trend. Moreover, the expression of dynamin-1-like protein and mitofusin 1 was significantly associated with the disease-free survival of hepatocellular carcinoma patients. In addition, our data further showed that mitochondrial fission significantly promoted the reprogramming of focal-adhesion dynamics and lamellipodia formation in hepatocellular carcinoma cells mainly by activating typical Ca2+ /CaMKII/ERK/FAK pathway. Importantly, treatment with mitochondrial division inhibitor-1 significantly decreased calcium signalling in hepatocellular carcinoma cells and had a potential treatment effect for hepatocellular carcinoma metastasis in vivo. CONCLUSIONS: Taken together, our findings demonstrate that mitochondrial fission plays a critical role in the regulation of hepatocellular carcinoma cell migration, which provides strong evidence for this process as a drug target in hepatocellular carcinoma metastasis treatment. PMID- 29210178 TI - Acute exposure to high-induction electromagnetic field affects activity of model peripheral sensory neurons. AB - Exposure to repetitive low-frequency electromagnetic field (LF-EMF) shows promise as a non-invasive approach to treat various sensory and neurological disorders. Despite considerable progress in the development of modern stimulation devices, there is a limited understanding of the mechanisms underlying their biological effects and potential targets at the cellular level. A significant impact of electromagnetic field on voltage-gated calcium channels and downstream signalling pathways has been convincingly demonstrated in many distinct cell types. However, evidence for clear effects on primary sensory neurons that particularly may be responsible for the analgesic actions of LF-EMF is still lacking. Here, we used F11 cells derived from dorsal root ganglia neurons as an in vitro model of peripheral sensory neurons and three different protocols of high-induction magnetic stimulation to determine the effects on chemical responsiveness and spontaneous activity. We show that short-term (<180 sec.) exposure of F11 cells to LF-EMF reduces calcium transients in response to bradykinin, a potent pain producing inflammatory agent formed at sites of injury. Moreover, we characterize an immediate and reversible potentiating effect of LF-EMF on neuronal spontaneous activity. Our results provide new evidence that electromagnetic field may directly modulate the activity of sensory neurons and highlight the potential of sensory neuron-derived cell line as a tool for studying the underlying mechanisms at the cellular and molecular level. PMID- 29210179 TI - Cross-sectional follow-up of voice outcomes in children who have a history of airway reconstruction surgery. AB - OBJECTIVES: This study reports vocal function in a cross-section of children with subglottic stenosis. Each child had a history of laryngotracheal reconstruction and/or cricotracheal resection surgery. Vocal function was measured using laryngoscopy, acoustic analysis, perceptual evaluation and impact of voice on quality of life. DESIGN: All patients aged >5 years with history of laryngotracheal reconstruction and/or cricotracheal resection surgery at the Scottish National Complex Airways service were invited to participate. SETTING: Data were gathered in the Royal Hospital for Children in Glasgow in a single outpatient appointment. PARTICIPANTS: Twelve of 56 former patients (aged 5-27) provided a voice sample and eleven consented to awake laryngoscopy. All consented for detailed evaluation of their medical records. MAIN OUTCOME MEASURES: Acoustic analysis of fundamental frequency and pitch perturbation was conducted on sustained vowel [a]. Perceptual evaluation was conducted by 4 trained listeners on a series of spoken sentences. Impact on quality of life was measured using the paediatric voice-related quality of life questionnaire. Laryngeal function was descriptively evaluated. RESULTS: Four children had normal voice acoustically, perceptually and in relation to voice-related quality of life. One of these had vocal fold nodules unrelated to surgical history. Two other children had "near normal" vocal function, defined where most voice measurements fell within the normal range. CONCLUSIONS: Normal or "near normal" voice is a possible outcome for children who have had this surgery. Where there is an ongoing complex medical condition, voice outcome may be poorer. PMID- 29210180 TI - Platelet collagen receptor Glycoprotein VI-dimer recognizes fibrinogen and fibrin through their D-domains, contributing to platelet adhesion and activation during thrombus formation. AB - : Essentials Glycoprotein VI (GPVI) binds collagen, starting thrombogenesis, and fibrin, stabilizing thrombi. GPVI-dimers, not monomers, recognize immobilized fibrinogen and fibrin through their D-domains. Collagen, D-fragment and D-dimer may share a common or proximate binding site(s) on GPVI-dimer. GPVI-dimer-fibrin interaction supports spreading, activation and adhesion involving alphaIIbbeta3. SUMMARY: Background Platelet collagen receptor Glycoprotein VI (GPVI) binds collagen, initiating thrombogenesis, and stabilizes thrombi by binding fibrin. Objectives To determine if GPVI-dimer, GPVI-monomer, or both bind to fibrinogen substrates, and which region common to these substrates contains the interaction site. Methods Recombinant GPVI monomeric extracellular domain (GPVIex ) or dimeric Fc-fusion protein (GPVI-Fc2 ) binding to immobilized fibrinogen derivatives was measured by ELISA, including competition assays involving collagenous substrates and fibrinogen derivatives. Flow adhesion was performed with normal or Glanzmann thrombasthenic (GT) platelets over immobilized fibrinogen, with or without anti-GPVI-dimer or anti-alphaIIbbeta3. Results Under static conditions, GPVIex did not bind to any fibrinogen substrate. GPVI-Fc2 exhibited specific, saturable binding to both D-fragment and D-dimer, which was inhibited by mFab-F (anti-GPVI-dimer), but showed low binding to fibrinogen and fibrin under our conditions. GPVI-Fc2 binding to D-fragment or D-dimer was abrogated by collagen type III, Horm collagen or CRP-XL (crosslinked collagen related peptide), suggesting proximity between the D-domain and collagen binding sites on GPVI-dimer. Under low shear, adhesion of normal platelets to D-fragment, D-dimer, fibrinogen and fibrin was inhibited by mFab-F (inhibitor of GPVI-dimer) and abolished by Eptifibatide (inhibitor of alphaIIbbeta3), suggesting that both receptors contribute to thrombus formation on these substrates, but alphaIIbbeta3 makes a greater contribution. Notably, thrombasthenic platelets showed limited adhesion to fibrinogen substrates under flow, which was further reduced by mFab F, supporting some independent GPVI-dimer involvement in this interaction. Conclusion Only dimeric GPVI interacts with fibrinogen D-domain, at a site proximate to its collagen binding site, to support platelet adhesion/activation/aggregate formation on immobilized fibrinogen and polymerized fibrin. PMID- 29210181 TI - Intraoral versus extraoral cementation of implant-supported single crowns: Clinical, biomarker, and microbiological comparisons. AB - OBJECTIVES: Implant supported single metal-ceramic crowns cemented either extraorally or intraorally were comparatively evaluated by clinical, radiologic, biomarker, and microbiological parameters. MATERIALS AND METHODS: Twelve patients with bilateral single tooth gap in the maxillary posterior region received two locking-taper implants; 4.5 mm width, 8 mm length. Selection of intraoral (IOC) or extraoral cementation (EOC) using screwless titanium abutments was done randomly. Peri-implant crevicular fluid (PICF), gingival crevicular fluid (GCF) samples were collected from the implants, adjacent teeth, and bleeding on probing, soft tissue thickness, keratinized tissue width were recorded before starting the prosthetic procedures (baseline) and 3, 6 months after implant loading. Crestal bone loss was measured on radiographs taken immediately and 6 months after cementation. Cytokine levels, amounts of bacteria were determined in PICF/GCF samples. Data were tested by appropriate statistical analyses. RESULTS: Clinical findings were similar in the crowns cemented extraorally or intraorally at all times (P < .05). PICF and GCF data were similar. At 3 month, interleukin 17E and osteoprotegerin levels were lower in the intraorally cemented crowns. CONCLUSION: Extraorally and intraorally cemented crowns exhibited similar crestal bone loss after loading. Higher amount of osteoprotegerin at 3 month at the EOC than the IOC sites might bode well for good osseointegration. PMID- 29210182 TI - Topical ofloxacin use in glucose-6-phosphate dehydrogenase deficiency-safe or unsafe? PMID- 29210184 TI - Sympathetic nerve activity and neuro-inflammation: Who is in the driver's seat? PMID- 29210183 TI - Young plasma reverses age-dependent alterations in hepatic function through the restoration of autophagy. AB - Recent studies showing the therapeutic effect of young blood on aging-associated deterioration of organs point to young blood as the solution for clinical problems related to old age. Given that defective autophagy has been implicated in aging and aging-associated organ injuries, this study was designed to determine the effect of young blood on aging-induced alterations in hepatic function and underlying mechanisms, with a focus on autophagy. Aged rats (22 months) were treated with pooled plasma (1 ml, intravenously) collected from young (3 months) or aged rats three times per week for 4 weeks, and 3 methyladenine or wortmannin was used to inhibit young blood-induced autophagy. Aging was associated with elevated levels of alanine transaminase and aspartate aminotransferase, lipofuscin accumulation, steatosis, fibrosis, and defective liver regeneration after partial hepatectomy, which were significantly attenuated by young plasma injections. Young plasma could also restore aging-impaired autophagy activity. Inhibition of the young plasma-restored autophagic activity abrogated the beneficial effect of young plasma against hepatic injury with aging. In vitro, young serum could protect old hepatocytes from senescence, and the antisenescence effect of young serum was abrogated by 3-methyladenine, wortmannin, or small interfering RNA to autophagy-related protein 7. Collectively, our data indicate that young plasma could ameliorate age-dependent alterations in hepatic function partially via the restoration of autophagy. PMID- 29210186 TI - A retrospective study on clinical and radiological outcomes of oral implants in patients followed up for a minimum of 20 years. AB - BACKGROUND: Very long-term follow-up of oral implants is seldom reported in the literature. PURPOSE: To assess oral implant failure rates and marginal bone loss (MBL) of patients followed up for a minimum of 20 years. MATERIALS AND METHODS: Implants placed in patients followed up for 20+ years were included. Descriptive statistics, survival analyses, generalized estimating equations were performed. Three-hundred implants were randomly selected for MBL. RESULTS: 1,045 implants (227 patients) were included. Implant location, irradiation, and bruxism affected the implant survival rate. Thirty-five percent of the failures occurred within the first year after implantation, and another 26.8% in the second/third year. There was a cumulative survival rate of 87.8% after 36 years of follow-up. In the last radiological follow up, 35 implants (11.7%) had bone gain, and 35 implants (11.7%) presented at least 3 mm of MBL. Twenty-six out of 86 failed implants with available radiograms presented severe MBL in the last radiological register before implant failure. CONCLUSIONS: Most of the implant failures occurred at the first few years after implantation, regardless of a very long follow up. MBL can be insignificant in long-term observations, but it may, nevertheless, be the cause of secondary failure of oral implants in some cases. PMID- 29210185 TI - Redemption of the "spoiled identity:" the role of HIV-positive individuals in HIV care cascade interventions. AB - INTRODUCTION: The concept of "therapeutic citizenship" has drawn attention to ways in which public testimony, the "story-telling in the public sphere" undertaken by people living with HIV (PLHIV), has shaped the global response to the epidemic. This paper presents qualitative findings from two large studies in eastern Africa that reveal how the advent of population-based HIV testing campaigns and efforts to accelerate antiretroviral "treatment for all" has precipitated a rapidly expanding therapeutic citizenship "project," or social movement. The title of this paper refers to Goffman's original conceptualization of stigma as a social process through which a person's identity is rendered "spoiled." METHODS: Data were derived from qualitative studies embedded within two clinical trials, Sustainable East African Research in Community Health (SEARCH) (NCT# 01864603) in Kenya and Uganda, and START-ART (NCT# 01810289) in Uganda, which aimed to offer insights into the pathways through which outcomes across the HIV care continuum can be achieved by interventions deployed in the studies, any unanticipated consequences, and factors that influenced implementation. Qualitative in-depth semi-structured interviews were conducted among cohorts of adults in 2014 through 2015; across both studies and time periods, 217 interviews were conducted with 166 individuals. Theoretically informed, team-based analytic approaches were used for the analyses. RESULTS: Narratives from PLHIV, who have not always been conceptualized as actors but rather usually as targets of HIV interventions, revealed strongly emergent themes related to these individuals' use of HIV biomedical resources and discourses to fashion a new, empowered subjecthood. Experiencing the benefits of antiretroviral therapy (ART) emboldens many individuals to transform their "spoiled" identities to attain new, valorized identities as "advocates for ART" in their communities. We propose that the personal revelation of what some refer to as the "gospel of ARVs," the telling of personal stories about HIV in the public sphere and actions to accompany other PLHIV on their journey into care, is driven by its power to redeem the "spoiled identity:" it permits PLHIV to overcome self-stigma and regain full personhood within their communities. CONCLUSIONS: PLHIV are playing an unanticipated but vital role in the successful implementation of HIV care cascade interventions. PMID- 29210187 TI - Re: Starting a uterus transplantation service: notes from a small island. PMID- 29210188 TI - Factors influencing the fracture of dental implants. AB - BACKGROUND: Implant fractures are rare but offer a challenging clinical situation. PURPOSE: To determine the prevalence of implant fracture and the possible risk factors predisposing an implant to a higher fracture risk. MATERIALS AND METHODS: This retrospective study is based on 2670 patients consecutively treated with implant-supported prostheses. Anatomical-, patient-, and implant-related factors were collected. Descriptive statistics and survival analyses were performed. Generalized estimating equations (GEE) evaluated the effect of explanatory variables on implant fracture. RESULTS: Forty-four implants (out of 10 099; 0.44%) fractured. The mean +/- standard deviation time for fracture to occur was 95.1 +/- 58.5 months (min-max, 3.8-294.7). Half of the occurrences of fracture happened between 2 and 8 years after implantation. Five factors had a statistically significant influence on the fracture of implants (increase/decrease in fracture probability): use of higher grades of titanium (decrease 72.9%), bruxism (increase 1819.5%), direct adjacency to cantilever (increase 247.6%), every 1 mm increase in implant length (increase 22.3%), every 1 mm increase in implant diameter (decrease 96.9%). CONCLUSIONS: It is suggested that 5 factors could influence the incidence of implant fractures: grade of titanium, implant diameter and length, cantilever, bruxism. PMID- 29210190 TI - Manipulating the cell/air space ratio to optimize photosynthesis. PMID- 29210189 TI - Does mean arterial blood pressure scale with body mass in mammals? Effects of measurement of blood pressure. AB - For at least the last 30 years, it has been discussed whether mean arterial blood pressure (MAP) is independent of body mass or whether it increases in accordance with the vertical height between the heart and the brain. The debate has centred on the most appropriate mathematical models for analysing allometric scaling and phylogenetic relationships; there has been previously little focus on evaluating the validity of underlying physiological data. Currently, the 2 most comprehensive scaling analyses are based on data from 47 species of mammals, based on 114 references. We reviewed all available references to determine under which physiological conditions MAP had been recorded. In 44 (38.6%) of the cited references, MAP was measured in anaesthetized animals. Data from conscious animals were reported in 59 (51.8%) of references; of these, 3 (2.6%) were radiotelemetric studies. In 5 species, data were reported from both anaesthetized and conscious animals, and the mean difference in the MAP between these settings was 20 +/- 29 mm Hg. From a literature search, we identified MAP measurements performed by radiotelemetry in 11 of the 47 species included in the meta analyses. A Bland-Altman analysis showed a bias of 1 mm Hg with 95% confidence interval (from -35 to 36 mm Hg); that is, the limits of agreement between radiotelemetric studies and studies in restrained animals were double the supposed difference in the MAP between the mouse and elephant. In conclusion, the existing literature does not provide evidence for either a positive or neutral scaling of arterial pressure to body mass across taxa. PMID- 29210192 TI - Correction. PMID- 29210191 TI - Correction. PMID- 29210193 TI - Islet damage during isolation as assessed by miRNAs and the correlation of miRNA levels with posttransplantation outcome in islet autotransplantation. AB - High-quality pancreatic islets are essential for better posttransplantation endocrine function in total pancreatectomy with islet autotransplantation (TPIAT), yet stress during the isolation process affects quality and yield. We analyzed islet-enriched microRNAs (miRNAs) -375 and -200c released during isolation to assess damage and correlated the data with posttransplantation endocrine function. The absolute concentration of miR-375, miR-200c, and C peptide was measured in various islet isolation steps, including digestion, dilution, recombination, purification, and bagging, in 12 cases of TPIAT. Posttransplantation glycemic control was monitored through C-peptide, hemoglobin A1c , insulin requirement, and SUITO index. The amount of miR-375 released was significantly higher during enzymatic digestion followed by the islet bagging (P < .001). Mir-200c mirrored these changes, albeit at lower concentrations. In contrast, the C-peptide amount was significantly higher in the purification and bagging steps (P < .001). Lower amounts of miR-375 were associated with a lower 6 month insulin requirement (P = .01) and lower hemoglobin A1c (P = .04). Measurement of the absolute quantity of miRNA-375 and -200c released during islet isolation is a useful tool to assess islet damage. The quantity of released miRNA is indicative of posttransplantation endocrine function in TPIAT patients. PMID- 29210194 TI - Error-related brain activity and anxiety symptoms in youth with autism spectrum disorder. AB - : Individuals with autism spectrum disorder (ASD) often experience symptoms associated with generalized anxiety disorder, obsessive-compulsive disorder, and social anxiety disorder. In other populations, these same symptoms are associated with a larger error-related negativity (ERN), an event-related potential that reflects endogenous threat sensitivity. As such, it is possible that the ERN may relate to the clinical presentation of anxiety in ASD. However, studies examining these associations in youth with ASD have yielded mixed results. The present study aimed to clarify this relationship by examining the ERN in relation to these specific anxiety symptoms in ASD, and by accounting for typical covariates (e.g., age, verbal abilities, depression, ASD symptoms) of the ERN. Fifty-one youth, ages 8-17, with ASD and intact cognitive ability completed a modified Flanker task, from which the ERN component was obtained. Measures of anxiety, verbal abilities, depression, and ASD symptoms were collected from participants and parents. Results revealed that greater self-reported social anxiety symptoms, specifically performance fears but not humiliation/rejection fears, were associated with an increased neural response to errors, as measured by the ERN. This relationship remained after controlling for other anxiety symptoms, as well as age, verbal IQ, depression symptoms, and ASD symptoms. Findings suggest that heightened threat sensitivity may be characteristic of individuals with ASD who exhibit social fearfulness. Autism Res 2018, 11: 342-354. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: The error related negativity (ERN) is a physiological measure of the brain's response to errors which is thought to reflect threat sensitivity and has been implicated in anxiety disorders in individuals without autism spectrum disorder (ASD). The present study revealed that the ERN is related to social anxiety symptoms, specifically performance fears, in a sample of youth with ASD. Findings suggest that heightened threat sensitivity may be characteristic of individuals with ASD who exhibit social fearfulness. PMID- 29210195 TI - Hair nicotine at 15 months old, tobacco exposure and wheeze or asthma from 15 months to 6 years old. AB - OBJECTIVE: To investigate the relationship between hair nicotine levels at 15 months of age and prior parent-reported smoking exposure, and the risk of wheezing and current asthma from 15 months to 6 years of age. STUDY DESIGN: We measured hair nicotine levels at 15 months of age in 376 of 535 infants enrolled in a prospective birth cohort in Christchurch, New Zealand. We obtained detailed information from parents about smoking exposure during pregnancy and in the home at 3 and 15 months of age. Data for demographics, wheezing, and asthma were obtained from yearly questionnaires up to age 6 years. We assessed hair nicotine levels in relation to reported smoke exposure in pregnancy and up to age 15 months, and the association between high levels of hair nicotine and annual reports of current wheeze and current asthma using multiple logistic regression. RESULTS: Hair nicotine increased with numbers of smokers and daily cigarettes smoked at home, and was also strongly associated with smoking in pregnancy. High level of hair nicotine was associated with increased risk of wheeze (Odds ratio 2.30, P = 0.001) and, though not significant, of current asthma (Odds ratio 2.02, P = 0.056) at 15 months of age, after controlling for socio-economic status, ethnicity, body mass index, respiratory infections in the first 3 months of life, and duration of exclusive breastfeeding. At older ages the associations were non significant. CONCLUSION: In children aged 15 months hair nicotine level was related to smoking exposure, and was associated with increased risk of wheeze and asthma. PMID- 29210196 TI - Ultrasonographic detection of double contour sign and hyperechoic aggregates for diagnosis of gout: two sites examination is as good as six sites examination. AB - OBJECTIVE: To compare ultrasound-detected abnormalities, namely double contour sign (DCS) and hyperechoic aggregates (HAGs), at two sites (knee and first metatarsophalangeal [1st MTP] joints) versus six sites (knee joint, 1st MTP joint, radiocarpal joint, talar joint, patellar tendon and triceps tendon) in gout patients. METHODS: Forty-seven clinically diagnosed gout patients and 50 subjects (serum uric acid < 7 mg/dL) as controls were included. DCS was looked for at three articular cartilage sites (first metatarsal, tibiotalar and femoral condyle), whereas HAGs were looked for at one joint site (radiocarpal joint) and two tendon sites (patellar tendon and triceps tendon). Ultrasound findings of both the groups were compared. RESULTS: Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and positive likelihood ratio (LR) of two sites ultrasound findings for gout were 87.2%, 84%, 83.7%, 85.6% and 5.5 respectively. Similar sensitivity, specificity, PPV, NPV and positive LR were observed with six sites ultrasound findings. Among controls, 16% were found to have these abnormal ultrasound findings by both two sites and six sites examinations. CONCLUSION: Screening of two sites (knee and 1st MTP) has similar sensitivity, specificity, PPV, NPV and positive LR as compared to six sites in diagnosing gout. PMID- 29210197 TI - Calpain-2 inhibitor treatment preferentially reduces tumor progression for human colon cancer cells expressing highest levels of this enzyme. AB - Calpain-2 levels are higher in colorectal tumors resistant to chemotherapy and previous work showed calpain-2 inhibitor therapy reduced inflammation-driven colorectal cancer, but direct effects of the inhibitor on colon cancer cells themselves were not demonstrated. In the present study, five human colon cancer cell lines were directly treated with a calpain-2 inhibitor and results showed increased cell death in 4 of 5 cell lines and decreased anchorage-independent growth for all cell five lines. When tested for levels of calpain-2, three cell lines exhibited increasing levels of this enzyme: HCT15 (low), HCC2998 (medium), and HCT116 (significantly higher). This was consistent with gel shift assays showing that calpain-2 inhibitor reduced of NF-kappaB nuclear translocation most effectively in HCT116 cells. Ability of calpain-2 inhibitor to impede tumor progression in vivo was evaluated using intrarectal transplant of luciferase expressing cells for these three cell lines. Results showed that calpain-2 inhibitor therapy reduced tumor growth and increased survival only in mice injected with HCT116 cells. These data suggest calpain-2 inhibitor treatment may be most effective on colorectal tumors expressing highest levels of calpain-2. PMID- 29210199 TI - Spotlights on our sister journals: Angew. Chem. Int. Ed. 50/2017. PMID- 29210200 TI - Usefulness of indocyanine green fluorescence imaging: A case of laparoscopic distal gastrectomy after distal pancreatectomy with splenectomy. AB - Safe preservation of the remnant stomach during distal gastrectomy in patients who have undergone distal pancreatectomy is important. During distal pancreatectomy, the splenic artery that supplies arterial blood to the cardiac part of stomach is resected. Previous reports suggested that blood flow to the remnant stomach may be insufficient when supplied by only the left inferior phrenic artery. In the present case, a 79-year-old woman who underwent distal pancreatectomy with splenectomy 20 years before she was diagnosed with gastric cancer and referred to our hospital. We performed laparoscopic distal gastrectomy and Roux-en-Y reconstruction because preoperative CT scan indicated a developed left inferior phrenic artery. To evaluate the blood supply, we employed indocyanine green fluorescence and were able to safely preserve the remnant stomach. Our experience suggests that indocyanine green fluorescence is potentially useful for evaluating blood flow to the remnant stomach. PMID- 29210198 TI - Concise Review: Quantitative Detection and Modeling the In Vivo Kinetics of Therapeutic Mesenchymal Stem/Stromal Cells. AB - Mesenchymal stem/stromal cells (MSCs) present a promising tool in cell-based therapy for treatment of various diseases. Currently, optimization of treatment protocols in clinical studies is complicated by the variations in cell dosing, diverse methods used to deliver MSCs, and the variety of methods used for tracking MSCs in vivo. Most studies use a dose escalation approach, and attempt to correlate efficacy with total cell dose. Optimization could be accelerated through specific understanding of MSC distribution in vivo, long-term viability, as well as their biological fate. While it is not possible to quantitatively detect MSCs in most targeted organs over long time periods after systemic administration in clinical trials, it is increasingly possible to apply pharmacokinetic modeling to predict their distribution and persistence. This Review outlines current understanding of the in vivo kinetics of exogenously administered MSCs, provides a critical analysis of the methods used for quantitative MSC detection in these studies, and discusses the application of pharmacokinetic modeling to these data. Finally, we provide insights on and perspectives for future development of effective therapeutic strategies using pharmacokinetic modeling to maximize MSC therapy and minimize potential side effects. Stem Cells Translational Medicine 2018;7:78-86. PMID- 29210201 TI - Maxillary artery 18F-FDG uptake as a new finding on PET/CT scan in a cohort of 41 patients suspected of having giant cell arteritis. PMID- 29210202 TI - Amount or intensity? Potential targets of exercise interventions in patients with heart failure with preserved ejection fraction. AB - AIMS: Heart failure with preserved ejection fraction (HFpEF) remains a common condition with no pharmacological treatment. Physical activity (PA) improves symptoms and quality of life (QoL), but no clear recommendations exist on PA in HFpEF patients. We investigated the association of PA (amount/intensity) on clinical phenotype in HFpEF. METHODS AND RESULTS: The Aldosterone in Diastolic Heart Failure trial investigated spironolactone vs. placebo in stable HFpEF patients. At baseline, all patients underwent detailed phenotypization including echocardiography, cardiopulmonary exercise testing, 6 minute walking test (6MWT), and QoL assessment (36-item Short-Form questionnaire). PA was assessed by a self report questionnaire, classified in metabolic equivalents of task (MET) and analysed with regard to exercise capacity, diastolic function, and QoL. Four hundred twenty-two patients (52% women, age 67 +/- 8 years, New York Heart Association II and III) were classified by weekly MET hours into a low (<70), middle (70-140), or high (>140) level of PA. Total PA correlated positively with 6MWT distance (r = 0.17; P = 0.002) and physical function of QoL (r = 0.10; P = 0.05), but not with peak oxygen uptake (peakVO2 ). In contrast, both 6MWT distance and peakVO2 were significantly higher in patients who performed high intensity PA for >8 h/week (P < 0.001, P = 0.02, respectively). Time of high intensity PA was related to higher 6MWT distance (r = 0.21, P < 0.001), peakVO2 , and better physical function of QoL (both r = 0.13, P = 0.01), whereas low intensity PA did not show significant associations. Interestingly, PA was not related to any measure of diastolic function. CONCLUSIONS: A higher amount of PA is related to higher submaximal exercise capacity and physical function of QoL. Regarding maximal exercise capacity, only high-intensity PA showed significant association in HFpEF patients. PMID- 29210204 TI - Validation and reliability of the Timed Up and Go test for measuring objective functional impairment in patients with long-standing rheumatoid arthritis: a cross-sectional study. AB - AIM: This study aimed to validate the Timed Up and Go test (TUG) for measuring objective functional impairment in patients with established rheumatoid arthritis (RA) based on a prospective observational cohort of RA patients undergoing joint surgery. METHODS: We collected data on demographics, Health Assessment Questionnaire Disability Index (HAQ-DI), and associations between TUG and HAQ-DI and other patient-reported outcomes, including European Quality of life scale (EQ 5D) were determined. Cut-off values of TUG for HAQ remission (HAQ-DI <=0.5), normal HAQ (HAQ-DI <=0.25), and the absence of disability in each HAQ-DI category were also determined by age. RESULTS: A total of 435 patients were enrolled and analyzed. Mean age was 64.2 years, mean disease duration was 17.1 years, mean HAQ DI was 1.14, and mean TUG was 11.1 sec. TUG was significantly correlated with aging, EQ-5D, and HAQ-DI categories related to lower limb function (arising, walking, reach and activity). After adjusting for age and sex, mean TUG values were 9.0 sec (95% CI, 7.7-10.3) in patients with HAQ remission and 8.7 sec (7.4 10.4) in those with normal HAQ. By age, mean TUG values for HAQ remission were 7.2 sec (5.9-8.5) in young patients (<=61 years), 9.1 sec (7.6-10.5) in middle aged patients (62-70 years) and 10.0 sec (5.7-14.2) in old patients (>=71 years). CONCLUSION: TUG was significantly associated with functional impairment and aging in patients with long-standing RA. Thus, TUG could be useful in setting treatment goals for joint surgery and rehabilitation in established RA patients. PMID- 29210203 TI - The effects of the attributable fraction and the duration of symptoms on burden estimates of influenza-associated respiratory illnesses in a high HIV prevalence setting, South Africa, 2013-2015. AB - BACKGROUND: The attributable fraction of influenza virus detection to illness (INF-AF) and the duration of symptoms as a surveillance inclusion criterion could potentially have substantial effects on influenza disease burden estimates. METHODS: We estimated rates of influenza-associated influenza-like illness (ILI) and severe acute (SARI-10) or chronic (SCRI-10) respiratory illness (using a symptom duration cutoff of <=10 days) among HIV-infected and HIV-uninfected patients attending 3 hospitals and 2 affiliated clinics in South Africa during 2013-2015. We calculated the unadjusted and INF-AF-adjusted rates and relative risk (RR) due to HIV infection. Rates were expressed per 100 000 population. RESULTS: The estimated mean annual unadjusted rates of influenza-associated illness were 1467.7, 50.3, and 27.4 among patients with ILI, SARI-10, and SCRI 10, respectively. After adjusting for the INF-AF, the percent reduction in the estimated rates was 8.9% (rate: 1336.9), 11.0% (rate: 44.8), and 16.3% (rate: 22.9) among patients with ILI, SARI-10, and SCRI-10, respectively. HIV-infected compared to HIV-uninfected individuals experienced a 2.3 (95% CI: 2.2-2.4)-, 9.7 (95% CI: 8.0-11.8)-, and 10.0 (95% CI: 7.9-12.7)-fold increased risk of influenza associated illness among patients with ILI, SARI-10, and SCRI-10, respectively. Overall 34% of the estimated influenza-associated hospitalizations had symptom duration of >10 days; 8% and 44% among individuals aged <5 and >=5 years, respectively. CONCLUSION: The marginal differences between unadjusted and INF-AF adjusted rates are unlikely to affect policies on prioritization of interventions. HIV-infected individuals experienced an increased risk of influenza-associated illness and may benefit more from annual influenza immunization. The use of a symptom duration cutoff of <=10 days may underestimate influenza-associated disease burden, especially in older individuals. PMID- 29210205 TI - Cobalt Nanoparticles Supported on Nitrogen-Doped Carbon: An Effective Non-Noble Metal Catalyst for the Upgrade of Biofuels. AB - A new method has been developed for the deoxygenation of vanillin to produce 2 methoxy-4-methylphenol (MMP) as a promising liquid fuel over a heterogeneous non noble metal catalyst. Cobalt nanoparticles supported on nitrogen-doped carbon (Co/N-C-600) exhibit high activity and stability for the deoxygenation of vanillin into MMP under mild conditions (150 degrees C, 10 bar H2 ). Nearly quantitative MMP yield is obtained in isopropanol after 8 h at 150 degrees C and 10 bar H2 pressure. According to the distribution of products with time, the deoxygenation of vanillin into MMP mainly proceeds through the hydrogenation of vanillin into vanillyl alcohol and the subsequent hydrogenolysis of vanillyl alcohol into MMP, of which the latter is the rate-determining step, owing to a much higher activation energy. Moreover, after being recycled several times, the loss of catalytic activity is negligible, which demonstrates that the Co/N-C-600 catalyst shows good resistance to deactivation. PMID- 29210206 TI - Intra-articular platelet-rich plasma injections for knee osteoarthritis: An overview of systematic reviews and risk of bias considerations. AB - OBJECTIVES: Numerous systematic reviews investigating the efficacy of platelet rich plasma (PRP) in treating knee osteoarthritis (OA) have been recently published. The purpose of the present study was (1) to perform an overview of overlapping systematic reviews investigating PRP for knee OA via evaluating methodological quality and risk of bias of systematic reviews and (2) to provide recommendations through the best evidence. METHODS: A systematic search of systematic reviews published through Feb 2017 was conducted using the MEDLINE, EMBASE and Cochrane Library. The methodological quality and risk of bias of included systematic reviews were assessed by AMSTAR instrument and ROBIS tool respectively. Best evidence choice procedure was conducted according to the Jadad decision algorithm. The systematic reviews with high quality of methodology and low risk of bias were selected ultimately. RESULTS: Ten systematic reviews were eligible for inclusion. The Jadad decision making tool suggested that the reviews with highest AMSTAR score should be selected. According to the ROBIS tool, there were 4 systematic reviews with low risk of bias and 6 with high risk of bias. As a result, two systematic reviews conducted by Dai et al and Meheux et al with highest AMSTAR score and low risk of bias were selected as the best evidence. CONCLUSIONS: The present overview demonstrates that PRP is an effective intervention in treating knee OA without increased risk of adverse events. Therefore, the present conclusions may help decision makers interpret and choose PRP with more confidence. PMID- 29210207 TI - Prevalence of knee osteoarthritis in a suburban, Srilankan, adult female population: a population-based study. AB - INTRODUCTION: Prevalence of knee osteoarthritis (KOA) has not been assessed in Sri Lanka, since 2006. This study aimed to determine the prevalence of clinical KOA and radiographic KOA and to assess the severity of it, among adult females of a suburban setting in Sri Lanka. METHODS: A cross-sectional survey was conducted among a representative sample of 666 females aged 50 years or more resident in Pita Kotte Medical Officer of Health area. Four physiotherapy graduates applied American College of Rheumatology (ACR) criteria by performing the clinical assessment in the households. Participants with clinical knee osteoarthritis were referred for radiography to identify radiographic osteoarthritis and to assess severity. Age standardized prevalence of clinical KOA for Sri Lanka was estimated based on population statistics of 2001 Census. RESULTS: Study included 666 adult females with a response rate of 99.4%. The mean age was 63.3 years (+/-9.29 years). A total of 134 were found to satisfy ACR criteria resulting in a crude prevalence of clinical KOA of 20.1% (95% CI 17.0%-23.2%). Estimated age standardized prevalence of clinical KOA for Sri Lanka was 21.8% (95% CI 21.7 21.9). Among those with clinical KOA 58.9% showed radiographic KOA and the prevalence of moderate/severe KOA among those with clinical KOA was 29.9%. CONCLUSION AND RECOMMENDATIONS: Prevalence of clinical KOA among the adult females over 50 years was high with considerable proportion of them being moderate /severe KOA. These findings should be used to advice the health authorities regarding improving preventive and curative services for KOA. PMID- 29210209 TI - Ranciere's writings applied to nursing: A radical and emancipatory political theory. PMID- 29210208 TI - Potential Effect Modifiers of the Association Between Physical Activity Patterns and Joint Symptoms in Middle-Aged Women. AB - OBJECTIVE: To examine whether body mass index (BMI), menopausal status, and hormone therapy (HT) use modify the association between physical activity (PA) patterns throughout middle age and the incidence and prevalence of joint symptoms in women in later middle age. METHODS: Data were from 6,661 participants (born 1946-1951) in the Australian Longitudinal Study on Women's Health. Surveys, with questions on joint pain and stiffness, PA, height and weight, menopausal symptoms, and HT use, were completed every 3 years from 1998 to 2010. PA patterns were defined as none or low, low or meeting guidelines, fluctuating, or meeting guidelines at all times (reference pattern). Logistic regression was used to examine the association between PA patterns and prevalent (in 2010) and cumulative incident (1998-2010) joint symptoms and effect modification by patterns in BMI, menopausal status, and HT. RESULTS: The groups representing fluctuating PA (odds ratio [OR] 1.34 [99% confidence interval (99% CI) 1.04 1.72]) and no or low PA (OR 1.60 [99% CI 1.08-2.35]) had higher odds of incident joint symptoms than those described as meeting guidelines at all times. Stratification by BMI showed that this association was statistically significant in the obese group only. No evidence for effect modification by menopausal status or HT use was found. The findings were similar for prevalent joint symptoms. CONCLUSION: Maintaining at least low levels of PA throughout middle age was associated with a lower prevalence and incidence of joint symptoms later in life. This apparent protective effect of PA on joint symptoms was stronger in obese women than in under- or normal-weight women, and not related to menopause or HT status. PMID- 29210210 TI - Value of double mucoperiosteal flaps to prevent restenosis in Draf IIb/III: First clinical report. PMID- 29210211 TI - Continuing Professional Development. PMID- 29210213 TI - Digest: The effect of the pollinator composition and abundance on pollen-related floral traits. PMID- 29210214 TI - ATP is a driving force in the repair of photosystem II during photoinhibition. AB - Repair of photosystem II (PSII) during photoinhibition involves replacement of photodamaged D1 protein by newly synthesized D1 protein. In this review, we summarize evidence for the indispensability of ATP in the degradation and synthesis of D1 during the repair of PSII. Synthesis of one molecule of the D1 protein consumes more than 1,300 molecules of ATP equivalents. The degradation of photodamaged D1 by FtsH protease also consumes approximately 240 molecules of ATP. In addition, ATP is required for several other aspects of the repair of PSII, such as transcription of psbA genes. These requirements for ATP during the repair of PSII have been demonstrated by experiments showing that the synthesis of D1 and the repair of PSII are interrupted by inhibitors of ATP synthase and uncouplers of ATP synthesis, as well as by mutation of components of ATP synthase. We discuss the contribution of cyclic electron transport around photosystem I to the repair of PSII. Furthermore, we introduce new terms relevant to the regulation of the PSII repair, namely, "ATP-dependent regulation" and "redox-dependent regulation," and we discuss the possible contribution of the ATP dependent regulation of PSII repair under environmental stress. PMID- 29210215 TI - Longitudinal Relationships Between Positive Affect, Loneliness, and Suicide Ideation: Age-Specific Factors in a General Population. AB - The aims of this study were to analyze whether positive and negative affect, social support, and loneliness are factors longitudinally related to suicide ideation in the general population in different age groups. A total of 2,392 individuals from a nationally representative sample of the Spanish general population were evaluated in 2011-2012 and in 2014-2015. After including relevant control variables in the analyses, lower positive affect was prospectively related to ideation in 18- to 59-year-old individuals, whereas feelings of loneliness were related to ideation in 60-year-and-older individuals. Social support was not associated with suicide ideation in any age group. These results are in line with the need for age-tailored suicide prevention programs. The present findings might also suggest that health care professionals should consider feelings of loneliness rather than social support to assess the presence of suicide ideation in older people. PMID- 29210216 TI - Improved Efficiency and Stability of Perovskite Solar Cells Induced by C?O Functionalized Hydrophobic Ammonium-Based Additives. AB - Because of the rapid rise of the efficiency, perovskite solar cells are currently considered as the most promising next-generation photovoltaic technology. Much effort has been made to improve the efficiency and stability of perovskite solar cells. Here, it is demonstrated that the addition of a novel organic cation of 2 (6-bromo-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethan-1-ammonium iodide (2 NAM), which has strong Lewis acid and base interaction (between C?O and Pb) with perovskite, can effectively increase crystalline grain size and reduce charge carrier recombination of the double cation FA0.83 MA0.17 PbI2.51 Br0.49 perovskite film, thus boosting the efficiency from 17.1 +/- 0.8% to 18.6 +/- 0.9% for the 0.1 cm2 cell and from 15.5 +/- 0.5% to 16.5 +/- 0.6% for the 1.0 cm2 cell. The champion cell shows efficiencies of 20.0% and 17.6% with active areas of 0.1 and 1.0 cm2 , respectively. Moreover, the hysteresis behavior is suppressed and the stability is improved. The result provides a promising route to further elevate efficiency and stability of perovskite solar cells by the fine tuning of triple organic cations. PMID- 29210217 TI - I131 reinforces antitumor activity of metuximab by reversing epithelial mesenchymal transition via VEGFR-2 signaling in hepatocellular carcinoma. AB - CD147 is highly expressed in hepatocellular carcinoma (HCC) and associated with the invasion and metastasis of HCC. The efficacy of I131 -metuximab (I131 -mab), a newly developed agent that targets CD147, as a radio-immunotherapy for local HCC, has been validated in clinical practice. However, the synergistic anticancer activity and molecular mechanism of different conjugated components within I131 mab remain unclear. In this study, the cytological experiments proved that I131 mab inhibited the proliferation and invasion of HCC cells. Mechanically, this inhibition effect was mainly mediated by the antibody component part of I131 mab, which could reverse the epithelial-mesenchymal transition of HCC cells partially by suppressing the phosphorylation of VEGFR-2. The inhibitory effect of I131 on HCC cell proliferation and invasion is limited, whereas, when combined with metuximab, I131 significantly enhanced the sensitivity of HCC cells to CD147 mab and consequently reinforced the anticancer effects of CD147-mab, suggesting that the two components of I131 -mab exerted synergistic anti-HCC capability. Furthermore, the experiments using SMMC-7721 human HCC xenografts in athymic nude mice showed that I131 -mab and CD147-mab significantly inhibited the growth of xenograft tumors and that I131 -mab was more effective than CD147-mab. In conclusion, our results elucidated the mechanism underlying the anti-HCC effects of I131 -mab and provided a theoretical foundation for the clinical application of I131 -mab. PMID- 29210218 TI - Testing an app for reporting health concerns-Experiences from older people and home care nurses. AB - AIMS AND OBJECTIVES: To explore the experiences of using an app among older people with home-based health care and their nurses. BACKGROUND: Few information and communication technology innovations have been developed and tested for older people with chronic conditions living at home with home-based health care support. Innovative ways to support older people's health and self-care are needed. DESIGN: Explorative qualitative design. METHODS: For 3 months to report health concerns, older people receiving home-based health care used an interactive app, which included direct access to self-care advice, graphs and a risk assessment model that sends alerts to nurses for rapid management. Interviews with older people (n = 17) and focus group discussions with home care nurses (n = 12) were conducted and analysed using thematic analysis. RESULTS: The findings reveal that a process occurs. Using the app, the older people participated in their care, and the app enabled learning and a new way of communication. The interaction gave a sense of security and increased self confidence among older people. The home care nurses viewed the alerts as appropriate for the management of health concerns. However, all participants experienced challenges in using new technology and had suggestions for improvement. CONCLUSIONS: The use of an app appears to increase the older people's participation in their health care and offers them an opportunity to be an active partner in their care. The app as a new way to interact with home care nurses increased the feeling of security. The older people were motivated to learn to use the app and described potential use for it in the future. IMPLICATIONS FOR PRACTICE: The use of an app should be considered as a useful information and communication technology innovation that can improve communication and accessibility for older people with home-based health care. PMID- 29210219 TI - Simple multimodal optical technique for evaluation of free/bound water and dispersion of human liver tissue. AB - The optical dispersion and water content of human liver were experimentally studied to estimate the optical dispersions of tissue scatterers and dry matter. Using temporal measurements of collimated transmittance [Tc(t)] of liver samples under treatment at different glycerol concentrations, free water and diffusion coefficient (Dgl) of glycerol in liver were found as 60.0% and 8.2*10-7 cm2/s, respectively. Bound water was calculated as the difference between the reported total water of 74.5% and found free water. The optical dispersion of liver was calculated from the measurements of refractive index (RI) of tissue samples made for different wavelengths between 400 and 1000 nm. Using liver and water optical dispersions at 20 degrees C and the free and total water, the dispersions for liver scatterers and dry matter were calculated. The estimated dispersions present a decreasing behavior with wavelength. The dry matter dispersion shows higher RI values than liver scatterers, as expected. Considering 600 nm, dry matter has an RI of 1.508, whereas scatterers have an RI of 1.444. These dispersions are useful to characterize the RI matching mechanism in optical clearing treatments, provided that [Tc(t)] and thickness measurements are performed during treatment. The knowledge of Dgl is also important for living tissue cryoprotection applications. PMID- 29210220 TI - Optical coherence tomography in gynecology: a narrative review. AB - Modern gynecologic practice requires noninvasive diagnostics techniques capable of detecting morphological and functional alterations in tissues of female reproductive organs. Optical coherence tomography (OCT) is a promising tool for providing imaging of biotissues with high resolution at depths up to 2 mm. Design of the customized probes provides wide opportunities for OCT use in gynecology. This paper contains a retrospective insight into the history of OCT employment in gynecology, an overview of the existing gynecologic OCT probes, including those for combination with other diagnostic modalities, and state-of-the-art application of OCT for diagnostics of tumor and nontumor pathologies of female genitalia. Perspectives of OCT both in diagnostics and treatment planning and monitoring in gynecology are overviewed. PMID- 29210221 TI - Heart-rate sensitive optical coherence angiography for measuring vascular changes due to posttraumatic brain injury in mice. AB - Traumatic brain injury (TBI) results in direct vascular disruption, triggering edema, and reduction in cerebral blood flow. Therefore, understanding the pathophysiology of brain microcirculation following TBI is important for the development of effective therapies. Optical coherence angiography (OCA) is a promising tool for evaluating TBI in rodent models. We develop an approach to OCA that uses the heart-rate frequency to discriminate between static tissue and vasculature. This method operates on intensity data and is therefore not phase sensitive. Furthermore, it does not require spatial overlap of voxels and thus can be applied to pre-existing datasets for which oversampling may not have been explicitly considered. Heart-rate sensitive OCA was developed for dynamic assessment of mouse microvasculature post-TBI. Results show changes occurring at 5-min intervals within the first 50 min of injury. PMID- 29210222 TI - LED lighting increases the ecological impact of light pollution irrespective of color temperature. AB - Recognition of the extent and magnitude of night-time light pollution impacts on natural ecosystems is increasing, with pervasive effects observed in both nocturnal and diurnal species. Municipal and industrial lighting is on the cusp of a step change where energy-efficient lighting technology is driving a shift from "yellow" high-pressure sodium vapor lamps (HPS) to new "white" light emitting diodes (LEDs). We hypothesized that white LEDs would be more attractive and thus have greater ecological impacts than HPS due to the peak UV-green-blue visual sensitivity of nocturnal invertebrates. Our results support this hypothesis; on average LED light traps captured 48% more insects than were captured with light traps fitted with HPS lamps, and this effect was dependent on air temperature (significant light * air temperature interaction). We found no evidence that manipulating the color temperature of white LEDs would minimize the ecological impacts of the adoption of white LED lights. As such, large-scale adoption of energy-efficient white LED lighting for municipal and industrial use may exacerbate ecological impacts and potentially amplify phytosanitary pest infestations. Our findings highlight the urgent need for collaborative research between ecologists and electrical engineers to ensure that future developments in LED technology minimize their potential ecological effects. PMID- 29210223 TI - The role of reserves and anthropogenic habitats for functional connectivity and resilience of ephemeral wetlands. AB - Ecological reserves provide important wildlife habitat in many landscapes, and the functional connectivity of reserves and other suitable habitat patches is crucial for the persistence and resilience of spatially structured populations. To maintain or increase connectivity at spatial scales larger than individual patches, conservation actions may focus on creating and maintaining reserves and/or influencing management on non-reserves. Using a graph-theoretic approach, we assessed the functional connectivity and spatial distribution of wetlands in the Rainwater Basin of Nebraska, USA, an intensively cultivated agricultural matrix, at four assumed, but ecologically realistic, anuran dispersal distances. We compared connectivity in the current landscape to the historical landscape and putative future landscapes, and evaluated the importance of individual and aggregated reserve and non-reserve wetlands for maintaining connectivity. Connectivity was greatest in the historical landscape, where wetlands were also the most densely distributed. The construction of irrigation reuse pits for water storage has maintained connectivity in the current landscape by replacing destroyed wetlands, but these pits likely provide suboptimal habitat. Also, because there are fewer total wetlands (i.e., wetlands and irrigation reuse pits) in the current landscape than the historical landscape, and because the distribution of current wetlands is less clustered than that of historical wetlands, larger and longer dispersing, sometimes nonnative species may be favored over smaller, shorter dispersing species of conservation concern. Because of their relatively low number, wetland reserves do not affect connectivity as greatly as non-reserve wetlands or irrigation reuse pits; however, they likely provide the highest quality anuran habitat. To improve future levels of resilience in this wetland habitat network, management could focus on continuing to improve the conservation status of non-reserve wetlands, restoring wetlands at spatial scales that promote movements of shorter dispersing species, and further scrutinizing irrigation reuse pit removal by considering effects on functional connectivity for anurans, an emblematic and threatened group of organisms. However, broader conservation plans will need to give consideration to other wetland-dependent species, incorporate invasive species management, and address additional challenges arising from global change in social-ecological systems like the Rainwater Basin. PMID- 29210224 TI - Assessing habitat connectivity for ground-dwelling animals in an urban environment. AB - To ensure viable species populations in fragmented landscapes, individuals must be able to move between suitable habitat patches. Despite the increased interest in biodiversity assessment in urban environments, the ecological relevance of habitat connectivity in highly fragmented landscapes remains largely unknown. The first step to understanding the role of habitat connectivity in urban ecology is the challenging task of assessing connectivity in the complex patchwork of contrasting habitats that is found in cities.We developed a data-based framework, minimizing the use of subjective assumptions, to assess habitat connectivity that consists of the following sequential steps: (1) identification of habitat preference based on empirical habitat-use data; (2) derivation of habitat resistance surfaces evaluating various transformation functions; (3) modeling of different connectivity maps with electrical circuit theory (Circuitscape), a method considering all possible pathways across the landscape simultaneously; and (4) identification of the best connectivity map with information-theoretic model selection. We applied this analytical framework to assess habitat connectivity for the European hedgehog Erinaceus europaeus, a model species for ground dwelling animals, in the city of Zurich, Switzerland, using GPS track points from 40 individuals.The best model revealed spatially explicit connectivity "pinch points," as well as multiple habitat connections. Cross-validation indicated the general validity of the selected connectivity model. The results show that both habitat connectivity and habitat quality affect the movement of urban hedgehogs (relative importance of the two variables was 19.2% and 80.8%, respectively), and are thus both relevant for predicting urban animal movements.Our study demonstrates that even in the complex habitat patchwork of cities, habitat connectivity plays a major role for ground-dwelling animal movement. Data-based habitat connectivity maps can thus serve as an important tool for city planners to identify habitat corridors and plan appropriate management and conservation measures for urban animals. The analytical framework we describe to model such connectivity maps is generally applicable to different types of habitat-use data and can be adapted to the movement scale of the focal species. It also allows evaluation of the impact of future landscape changes or management scenarios on habitat connectivity in urban landscapes. PMID- 29210225 TI - Urban warming trumps natural enemy regulation of herbivorous pests. AB - Trees provide ecosystem services that counter negative effects of urban habitats on human and environmental health. Unfortunately, herbivorous arthropod pests are often more abundant on urban than rural trees, reducing tree growth, survival, and ecosystem services. Previous research where vegetation complexity was reduced has attributed elevated urban pest abundance to decreased regulation by natural enemies. However, reducing vegetation complexity, particularly the density of overstory trees, also makes cities hotter than natural habitats. We ask how urban habitat characteristics influence an abiotic factor, temperature, and a biotic factor, natural enemy abundance, in regulating the abundance of an urban forest pest, the gloomy scale, (Melanaspis tenebricosa). We used a map of surface temperature to select red maple trees (Acer rubrum) at warmer and cooler sites in Raleigh, North Carolina, USA. We quantified habitat complexity by measuring impervious surface cover, local vegetation structural complexity, and landscape scale vegetation cover around each tree. Using path analysis, we determined that impervious surface (the most important habitat variable) increased scale insect abundance by increasing tree canopy temperature, rather than by reducing natural enemy abundance or percent parasitism. As a mechanism for this response, we found that increasing temperature significantly increases scale insect fecundity and contributes to greater population increase. Specifically, adult female M. tenebricosa egg sets increased by approximately 14 eggs for every 1 degrees C increase in temperature. Climate change models predict that the global climate will increase by 2-3 degrees C in the next 50-100 years, which we found would increase scale insect abundance by three orders of magnitude. This result supports predictions that urban and natural forests will face greater herbivory in the future, and suggests that a primary cause could be direct, positive effects of warming on herbivore fitness rather than altered trophic interactions. PMID- 29210226 TI - Fire severity and tree regeneration following bark beetle outbreaks: the role of outbreak stage and burning conditions. AB - The degree to which recent bark beetle (Dendroctonus ponderosae) outbreaks may influence fire severity and postfire tree regeneration is of heightened interest to resource managers throughout western North America, but empirical data on actual fire effects are lacking. Outcomes may depend on burning conditions (i.e., weather during fire), outbreak severity, or intervals between outbreaks and subsequent fire. We studied recent fires that burned through green-attack/red stage (outbreaks <3 years before fire) and gray-stage (outbreaks 3-15 years before fire) subalpine forests dominated by lodgepole pine (Pinus contorta var. latifolia) in Greater Yellowstone, Wyoming, USA, to determine if fire severity was linked to prefire beetle outbreak severity and whether these two disturbances produced compound ecological effects on postfire tree regeneration. With field data from 143 postfire plots that burned under different conditions, we assessed canopy and surface fire severity, and postfire tree seedling density against prefire outbreak severity.In the green-attack/red stage, several canopy fire severity measures increased with prefire outbreak severity under moderate burning conditions. Under extreme conditions, few fire-severity measures were related to prefire outbreak severity, and effect sizes were of marginal biological significance. The percentage of tree stems and basal area killed by fire increased with more green-attack vs. red-stage trees (i.e., the earliest stages of outbreak). In the gray stage, by contrast, most fire-severity measures declined with increasing outbreak severity under moderate conditions, and fire severity was unrelated to outbreak severity under extreme burning conditions. Postfire lodgepole pine seedling regeneration was unrelated to prefire outbreak severity in either post-outbreak stage, but increased with prefire serotiny. Results suggest bark beetle outbreaks can affect fire severity in subalpine forests under moderate burning conditions, but have little effect on fire severity under extreme burning conditions when most large wildfires occur in this system. Thus, beetle outbreak severity was moderately linked to fire severity, but the strength and direction of the linkage depended on both endogenous (outbreak stage) and exogenous (fire weather) factors. Closely timed beetle outbreak and fire did not impart compound effects on tree regeneration, suggesting the presence of a canopy seedbank may enhance resilience to their combined effects. PMID- 29210227 TI - Simulating post-wildfire forest trajectories under alternative climate and management scenarios. AB - Post-fire predictions of forest recovery under future climate change and management actions are necessary for forest managers to make decisions about treatments. We applied the Climate-Forest Vegetation Simulator (Climate-FVS), a new version of a widely used forest management model, to compare alternative climate and management scenarios in a severely burned multispecies forest of Arizona, USA. The incorporation of seven combinations of General Circulation Models (GCM) and emissions scenarios altered long-term (100 years) predictions of future forest condition compared to a No Climate Change (NCC) scenario, which forecast a gradual increase to high levels of forest density and carbon stock. In contrast, emissions scenarios that included continued high greenhouse gas releases led to near-complete deforestation by 2111. GCM-emissions scenario combinations that were less severe reduced forest structure and carbon stock relative to NCC. Fuel reduction treatments that had been applied prior to the severe wildfire did have persistent effects, especially under NCC, but were overwhelmed by increasingly severe climate change. We tested six management strategies aimed at sustaining future forests: prescribed burning at 5, 10, or 20 year intervals, thinning 40% or 60% of stand basal area, and no treatment. Severe climate change led to deforestation under all management regimes, but important differences emerged under the moderate scenarios: treatments that included regular prescribed burning fostered low density, wildfire-resistant forests composed of the naturally dominant species, ponderosa pine. Non-fire treatments under moderate climate change were forecast to become dense and susceptible to severe wildfire, with a shift to dominance by sprouting species. Current U.S. forest management requires modeling of future scenarios but does not mandate consideration of climate change effects. However, this study showed substantial differences in model outputs depending on climate and management actions. Managers should incorporate climate change into the process of analyzing the environmental effects of alternative actions. PMID- 29210228 TI - Centennial impacts of fragmentation on the canopy structure of tropical montane forest. AB - Fragmentation poses one of the greatest threats to tropical forests with short term changes to the structure of forest canopies affecting microclimate, tree mortality, and growth. Yet the long-term effects of fragmentation are poorly understood because (1) most effects require many decades to materialize, but long term studies are very rare, (2) the effects of edges on forest canopy structure as a function of fragment size are unknown, and (3) edge effects are often confounded by fragment shape. We quantified the long-term (centennial) effects of fragmentation on forest canopy structure using airborne light detection and ranging (LiDAR) of 1060 Hawaiian rain forest fragments ranging in size from 0.02 to 1000 ha, created more than 130 years ago by flowing lava. Along with distance from edge, we developed a metric, minimum span, to gain additional insight into edge effects on three measures of canopy structure: canopy height, height variation, and gap fraction.Fragment size was a strong determinant of the three structural variables. Larger fragments had greater average height, larger variation in height, and smaller gap fraction. Minimum span had a large effect on the depth and magnitude of edge effects for the three structural variables. Locations associated with high span values (those surrounded by more forest habitat) showed little effect of distance to fragment edge. In contrast, locations with low span values (those more exposed to edges) were severely limited in canopy height, showed lower height variation, and were associated with greater gap fraction values. The minimum span attribute allows for a more accurate characterization of edge as well as fragment-level effects, and when combined with high resolution imagery, can improve planning of protected areas for long-term ecological sustainability and biodiversity protection. PMID- 29210229 TI - Spectroscopic determination of leaf morphological and biochemical traits for northern temperate and boreal tree species. AB - The morphological and biochemical properties of plant canopies are strong predictors of photosynthetic capacity and nutrient cycling. Remote sensing research at the leaf and canopy scales has demonstrated the ability to characterize the biochemical status of vegetation canopies using reflectance spectroscopy, including at the leaf level and canopy level from air- and spaceborne imaging spectrometers. We developed a set of accurate and precise spectroscopic calibrations for the determination of leaf chemistry (contents of nitrogen, carbon, and fiber constituents), morphology (leaf mass per area, Marea), and isotopic composition (delta15N) of temperate and boreal tree species using spectra of dried and ground leaf material. The data set consisted of leaves from both broadleaf and needle-leaf conifer species and displayed a wide range in values, determined with standard analytical approaches: 0.7-4.4% for nitrogen (Nmass), 42-54% for carbon (Cmass), 17-58% for fiber (acid-digestible fiber, ADF), 7-44% for lignin (acid-digestible lignin, ADL), 3-31% for cellulose, 17-265 g/m2 for Marea, and -9.40/00 to 0.80/00 for delta15N. The calibrations were developed using a partial least-squares regression (PLSR) modeling approach combined with a novel uncertainty analysis. Our PLSR models yielded model calibration (independent validation shown in parentheses) R2 and the root mean square error (RMSE) values, respectively, of 0.98 (0.97) and 0.10% (0.13%) for Nmass, R2 = 0.77 (0.73) and RMSE = 0.88% (0.95%) for Cmass, R2 = 0.89 (0.84) and RMSE = 2.8% (3.4%) for ADF, R2 = 0.77 (0.69) and RMSE = 2.4% (3.9%) for ADL, R2 = 0.77 (0.72) and RMSE = 1.4% (1.9%) for leaf cellulose, R2 = 0.62 (0.60) and RMSE = 0.910/00 (1.50/00) for delta15N, and R2 = 0.88 (0.87) with RMSE = 17.2 g/m2 (22.8 g/m2) for Marea. This study demonstrates the potential for rapid and accurate estimation of key foliar traits of forest canopies that are important for ecological research and modeling activities, with a single calibration equation valid over a wide range of northern temperate and boreal species and leaf physiognomies. The results provide the basis to characterize important variability between and within species, and across ecological gradients using a rapid, cost-effective, easily replicated method. PMID- 29210230 TI - Mixed-conifer forests of central Oregon: effects of logging and fire exclusion vary with environment. AB - Twentieth-century land management has altered the structure and composition of mixed-conifer forests and decreased their resilience to fire, drought, and insects in many parts of the Interior West. These forests occur across a wide range of environmental settings and historical disturbance regimes, so their response to land management is likely to vary across landscapes and among ecoregions. However, this variation has not been well characterized and hampers the development of appropriate management and restoration plans. We identified mixed-conifer types in central Oregon based on historical structure and composition, and successional trajectories following recent changes in land use, and evaluated how these types were distributed across environmental gradients. We used field data from 171 sites sampled across a range of environmental settings in two subregions: the eastern Cascades and the Ochoco Mountains.We identified four forest types in the eastern Cascades and four analogous types with lower densities in the Ochoco Mountains. All types historically contained ponderosa pine, but differed in the historical and modern proportions of shade-tolerant vs. shade-intolerant tree species. The Persistent Ponderosa Pine and Recent Douglas fir types occupied relatively hot-dry environments compared to Recent Grand Fir and Persistent Shade Tolerant sites, which occupied warm-moist and cold-wet environments, respectively. Twentieth-century selective harvesting halved the density of large trees, with some variation among forest types. In contrast, the density of small trees doubled or tripled early in the 20th century, probably due to land-use change and a relatively cool, wet climate. Contrary to the common perception that dry ponderosa pine forests are the most highly departed from historical conditions, we found a greater departure in the modern composition of small trees in warm-moist environments than in either hot-dry or cold-wet environments. Furthermore, shade-tolerant trees began infilling earlier in cold wet than in hot-dry environments and also in topographically shaded sites in the Ochoco Mountains. Our new classification could be used to prioritize management that seeks to restore structure and composition or create resilience in mixed conifer forests of the region. PMID- 29210231 TI - A framework to optimize the restoration and retention of large mature forest tracts in managed boreal landscapes. AB - The decreasing abundance of mature forests and their fragmentation have been identified as major threats for the preservation of biodiversity in managed landscapes. In this study, we developed a multi-level framework to coordinate forest harvestings so as to optimize the retention or restoration of large mature forest tracts in managed forests. We used mixed-integer programming for this optimization, and integrated realistic management assumptions regarding stand yield and operational harvest constraints. The model was parameterized for eastern Canadian boreal forests, where clear-cutting is the main silvicultural system, and is used to examine two hypotheses. First, we tested if mature forest tract targets had more negative impacts on wood supplies when implemented in landscapes that are very different from targeted conditions. Second, we tested the hypothesis that using more partial cuts can be useful to attenuate the negative impacts of mature forest targets on wood supplies. The results indicate that without the integration of an explicit mature forest tract target, the optimization leads to relatively high fragmentation levels. Forcing the retention or restoration of large mature forest tracts on 40% of the landscapes had negative impacts on wood supplies in all types of landscapes, but these impacts were less important in landscapes that were initially fragmented. This counter intuitive result is explained by the presence in the models of an operational constraint that forbids diffuse patterns of harvestings, which are more costly. Once this constraint is applied, the residual impact of the mature forest tract target is low. The results also indicate that partial cuts are of very limited use to attenuate the impacts of mature forest tract targets on wood supplies in highly fragmented landscapes. Partial cuts are somewhat more useful in landscapes that are less fragmented, but they have to be well coordinated with clearcut schedules in order to contribute efficiently to conservation objectives. This modeling framework could easily be adapted and parameterized to test hypotheses or to optimize restoration schedules in landscapes where issues such as forest fragmentation and the abundance of mature or old-growth forests are a concern. PMID- 29210232 TI - Bayesian networks for habitat suitability modeling: a potential tool for conservation planning with scarce resources. AB - Bayesian networks (BN) have been increasingly used for habitat suitability modeling of threatened species due to their potential to construct robust models with limited survey data. However, previous applications of this approach have only occurred in countries where human and budget resources are highly available, but the highest concentrations of threatened vertebrates globally are located in the tropics where resources are much more limited. We assessed the effectiveness of Bayesian networks in generating habitat suitability models in Thailand, a biodiversity-rich country where the knowledge base is typically sparse for a wide range of threatened species. The Bayesian network approach was used to generate habitat suitability maps for 52 threatened vertebrate species in Thailand, using a range of evidence types, from relatively well-documented species with good local knowledge to poorly documented species, with few local experts. Published information and expert knowledge were used to define habitat requirements. Focal species were categorized into 22 groups based on known habitat preferences, and then habitat suitability models were constructed with outcomes represented spatially. Models had a consistent structure with three major components: potential habitat, known range, and threat level. Model classification sensitivity was tested using presence-only field data for 21 species. Habitat models for 12 species were relatively sensitive (>70% congruency between observed and predicted locations), three were moderately congruent, and six were poor. Classification sensitivity tended to be high for bird models and moderate for mammals, whereas sensitivity for reptiles was low, presumably reflecting the relatively poor knowledge base for reptiles in the region. Bayesian network models show significant potential for biodiversity-rich regions with scarce resources, although they require further refinement and testing. It is possible that one detailed ecological study is sufficient to develop a model with reasonable sensitivity, but BN models for species groups with no quantitative data continue to be problematic. PMID- 29210233 TI - Effects of fine-scale forest habitat quality on movement and settling decisions in juvenile pond-breeding salamanders. AB - A better understanding of how individuals respond to variation in habitat quality while moving through heterogeneous habitats is needed to predict ecological phenomena at larger scales, such as local population and metapopulation dynamics. We sought to identify how fine-scale habitat quality affects the decisions of juvenile pond-breeding salamanders (Ambystoma maculatum and A. annulatum) to cease dispersive movements away from their natal pond, select a refuge, and settle. Because of the acute susceptibility of juvenile amphibians to evaporative water loss in terrestrial habitats, we predicted that they possess mechanisms for adjusting their behavior in response to variations in fine-scale habitat quality. We used experimental field enclosures to isolate the effects of habitat quality on settling behavior and employed generalized linear mixed models to examine how manipulations in canopy cover (closed or open) and microhabitat (control, compacted soils, high coarse woody debris, high burrow density), along with environmental variables (rainfall and air temperature), affect the individual's probability of settling. Our results indicated that A. maculatum and A. annulatum had a 10% and 30% decreased probability of settling in open-canopy clearcut habitat, respectively, compared to closed-canopy forest habitat. In addition, A. annulatum were 24% less likely to settle in compacted soil treatments. Although the settlement probability of A. annulatum did not depend on refuge availability, A. maculatum were 18% and 25% more likely to settle under conditions of high burrow density and high coarse woody debris, respectively. These findings make a unique contribution to our understanding of amphibian movement ecology by demonstrating how the interplay of external factors and individual behavior produce observed patterns of movement and habitat selection. PMID- 29210234 TI - Spatio-temporal dynamics of ocean conditions and forage taxa reveal regional structuring of seabird-prey relationships. AB - Studies of predator-prey demographic responses and the physical drivers of such relationships are rare, yet essential for predicting future changes in the structure and dynamics of marine ecosystems. Here, we hypothesize that predator prey relationships vary spatially in association with underlying physical ocean conditions, leading to observable changes in demographic rates, such as reproduction. To test this hypothesis, we quantified spatio-temporal variability in hydrographic conditions, krill, and forage fish to model predator (seabird) demographic responses over 18 years (1990-2007). We used principal component analysis and spatial correlation maps to assess coherence among ocean conditions, krill, and forage fish, and generalized additive models to quantify interannual variability in seabird breeding success relative to prey abundance. The first principal component of four hydrographic measurements yielded an index that partitioned "warm/weak upwelling" and "cool/strong upwelling" years. Partitioning of krill and forage fish time series among shelf and oceanic regions yielded spatially explicit indicators of prey availability. Krill abundance within the oceanic region was remarkably consistent between years, whereas krill over the shelf showed marked interannual fluctuations in relation to ocean conditions. Anchovy abundance varied on the shelf, and was greater in years of strong stratification, weak upwelling and warmer temperatures. Spatio-temporal variability of juvenile forage fish co-varied strongly with each other and with krill, but was weakly correlated with hydrographic conditions. Demographic responses between seabirds and prey availability revealed spatially variable associations indicative of the dynamic nature of "predator-habitat" relationships. Quantification of spatially explicit demographic responses, and their variability through time, demonstrate the possibility of delineating specific critical areas where the implementation of protective measures could maintain functions and productivity of central place foraging predators. PMID- 29210235 TI - Radiocarbon dating of American pika fecal pellets provides insights into population extirpations and climate refugia. AB - The American pika (Ochotona princeps) has become a species of concern for its sensitivity to warm temperatures and potential vulnerability to global warming. We explored the value of radiocarbon dating of fecal pellets to address questions of population persistence and timing of site extirpation. Carbon was extracted from pellets collected at 43 locations in the western Great Basin, USA, including three known occupied sites and 40 sites of uncertain status at range margins or where previous studies indicated the species is vulnerable. We resolved calibrated dates with high precision (within several years), most of which fell in the period of the mid-late 20th century bomb curve. The two-sided nature of the bomb curve renders far- and near-side dates of equal probability, which are separated by one to four decades. We document methods for narrowing resolution to one age range, including stratigraphic analysis of vegetation collected from pika haypiles. No evidence was found for biases in atmospheric 14C levels due to fossil-derived or industrial CO2 contamination. Radiocarbon dating indicated that pellets can persist for >59 years; known occupied sites resolved contemporary dates. Using combined evidence from field observations and radiocarbon dating, and the Bodie Mountains as an example, we propose a historical biogeographic scenario for pikas in minor Great Basin mountain ranges adjacent to major cordillera, wherein historical climate variability led to cycles of extirpation and recolonization during alternating cool and warm centuries. Using this model to inform future dynamics for small ranges in biogeographic settings similar to the Bodie Mountains in California, extirpation of pikas appears highly likely under directional warming trends projected for the next century, even while populations in extensive cordillera (e.g., Sierra Nevada, Rocky Mountains, Cascade Range) are likely to remain viable due to extensive, diverse habitat and high connectivity. PMID- 29210236 TI - Supplemental feeding alters migration of a temperate ungulate. AB - Conservation of migration requires information on behavior and environmental determinants. The spatial distribution of forage resources, which migration exploits, often are altered and may have subtle, unintended consequences. Supplemental feeding is a common management practice, particularly for ungulates in North America and Europe, and carryover effects on behavior of this anthropogenic manipulation of forage are expected in theory, but have received limited empirical evaluation, particularly regarding effects on migration. We used global positioning system (GPS) data to evaluate the influence of winter feeding on migration behavior of 219 adult female elk (Cervus elaphus) from 18 fed ranges and 4 unfed ranges in western Wyoming. Principal component analysis revealed that the migratory behavior of fed and unfed elk differed in distance migrated, and the timing of arrival to, duration on, and departure from summer range. Fed elk migrated 19.2 km less, spent 11 more days on stopover sites, arrived to summer range 5 days later, resided on summer range 26 fewer days, and departed in the autumn 10 days earlier than unfed elk. Time-to-event models indicated that differences in migratory behavior between fed and unfed elk were caused by altered sensitivity to the environmental drivers of migration. In spring, unfed elk migrated following plant green-up closely, whereas fed elk departed the feedground but lingered on transitional range, thereby delaying their arrival to summer range. In autumn, fed elk were more responsive to low temperatures and precipitation events, causing earlier departure from summer range than unfed elk. Overall, supplemental feeding disconnected migration by fed elk from spring green-up and decreased time spent on summer range, thereby reducing access to quality forage. Our findings suggest that ungulate migration can be substantially altered by changes to the spatial distribution of resources, including those of anthropogenic origin, and that management practices applied in one season may have unintended behavioral consequences in subsequent seasons. PMID- 29210237 TI - Cost-efficient fenced reserves for conservation: single large or two small? AB - Fences that exclude alien invasive species are used to reduce predation pressure on reintroduced threatened wildlife. Planning these continuously managed systems of reserves raises an important extension of the Single Large or Several Small (SLOSS) reserve planning framework: the added complexity of ongoing management. We investigate the long-term cost-efficiency of a single large or two small predator exclusion fences in the arid Australian context of reintroducing bilbies Macrotis lagotis, and we highlight the broader significance of our results with sensitivity analysis. A single fence more frequently results in a much larger net cost than two smaller fences. We find that the cost-efficiency of two fences is robust to strong demographic and environmental uncertainty, which can help managers to mitigate the risk of incurring high costs over the entire life of the project. PMID- 29210238 TI - Beyond seasonal climate: statistical estimation of phenological responses to weather. AB - Phenological events, such as the timing of flowering or insect emergence, are influenced by a complex combination of climatic and non-climatic factors. Although temperature is generally considered most important, other weather events such as frosts and precipitation events can also influence many species' phenology. Non-climatic variables such as photoperiod and site-specific habitat characteristics can also have important effects on phenology. Forecasting phenological shifts due to climate change requires understanding and quantifying how these multiple factors combine to affect phenology. However, current approaches to analyzing phenological data have a limited ability for quantifying multiple drivers simultaneously. Here, we use a novel statistical approach to estimate the combined effects of multiple variables, including local weather events, on the phenology of several taxa (a tree, an insect, and a fungus). We found that thermal forcing had a significant positive effect on each species, frost events delayed the phenology of the tree and butterfly, and precipitation had a positive effect on fungal fruiting. Using data from sites across latitudinal gradients, we found that these effects are remarkably consistent across sites once latitude and other site effects are accounted for. This consistency suggests an underlying biological response to these variables that is not commonly estimated using data from field observations. This approach's flexibility will be useful for forecasting ongoing phenological responses to changes in climate variability in addition to seasonal trends. PMID- 29210239 TI - Bycatch mortality of endangered coho salmon: impacts, solutions, and aboriginal perspectives. AB - We used biotelemetry and human dimensions surveys to explore potential solutions to migration mortality of an endangered population of coho salmon caught as bycatch in an aboriginal beach seine fishery. From 2009 to 2011, 182 wild coho salmon caught as bycatch in the lower Fraser River (Canada) were radio-tagged and tracked as they attempted to complete their migrations to natal spawning areas over 300 km upstream. Failure to survive to reach terminal radio receiving stations averaged 39% over three years. This mortality estimate is low compared to those obtained from telemetry studies on other salmon fisheries in the Fraser River. However, this value is markedly higher than the mortality estimate currently used to manage the fishery's impact. It is also in contrast to the perceptions of the majority of aboriginal fishers, who did not think survival of coho salmon is affected by capture and release from their fishery. Increased probability of survival was associated with lower reflex impairment, which is consistent with previous findings. Reflex impairment was positively correlated with entanglement time, suggesting that greater efforts by the fishers to release bycatch from their nets quickly would minimize post-release mortality. Survey responses by aboriginal fishers also suggested that they are receptive to employing new bycatch handling methods if they are shown to increase post-release survival. However, attempts to facilitate revival of a subset of captured fish using cylindrical in-river recovery bags did not improve migration success. Fisheries managers could use the new information from this study to better quantify impacts and evaluate different harvest options. Since aboriginal fishers were receptive to using alternate handling methods, efforts to improve knowledge on minimizing reflex impairment through reductions in handling time could help increase bycatch survival. Such a direct integration of social science and applied ecology is a novel approach to understanding conservation issues that can better inform meaningful actions to promote species recovery. PMID- 29210241 TI - Does landscape context mediate the nature of density dependence for a coral reef fish? AB - Over-harvest and landscape change are two of the greatest threats to marine ecosystems. Over-harvest may directly affect key population regulation mechanisms (e.g., density dependence), with the magnitude of the effects being further influenced by changes in landscape structure and associated resource availability. Because resource availability and conspecific density often co-vary within the natural landscape, manipulative experiments are needed to understand how changes in these two drivers may affect density dependence in wild populations. We used a common, shoaling, coral reef fish (white grunt, Haemulon plumierii) as our model species, and manipulated fish densities and landscape context of artificial reef habitats to assess the effects of each on fish condition. We found evidence of inverse density dependence, where individual condition was positively related to conspecific density; landscape context had little effect. Mean grunt condition on natural patch reefs was similar to that for our low grunt density treatment artificial reefs, possibly due to differences in fish densities or landscape context. These findings suggest that over-harvest may have detrimental effects on wild populations that extend beyond mere reductions in population size, especially for group-living species. PMID- 29210240 TI - A metacommunity perspective on source-sink dynamics and management: the Baltic Sea as a case study. AB - The degree to which metapopulation processes influence fish stock dynamics is a largely unresolved issue in marine science and management, especially for highly mobile species such as Atlantic cod (Gadus morhua) and herring (Clupea harengus). The Baltic Sea comprises a heterogeneous oceanographic environment that structures the spatial and temporal distribution of the dominant species cod, herring, and sprat (Sprattus sprattus). Despite local differences, the stocks are traditionally managed as homogeneous units. Here, we present a metacommunity perspective on source-sink dynamics of Baltic Sea fish stocks by using a spatially disaggregated statistical food web model. The model is fitted to area specific time series of multiple abiotic and biotic variables using state-space methods. Our analysis reveals pronounced net fluxes between areas, indicative of source-sink dynamics, as well as area-specific differences in species interactions (i.e., density dependence, competition, and predator-prey) and the degree of fishing and climate impact on survival and recruitment. Furthermore, model simulations show that decreasing exploitation pressure in the source area for cod (without reallocating fishing effort) produces an increase in neighboring sink habitats, but a decline of prey species in response to increased predation. Our approach provides valuable insight concerning metacommunity-structuring of marine fish and may serve as an important tool for implementing sustainable management strategies under the ecosystem approach to marine and fisheries management. PMID- 29210242 TI - Agricultural practices indirectly influence plant productivity and ecosystem services through effects on soil biota. AB - It is well established that agricultural practices alter the composition and diversity of soil microbial communities. However, the impact of changing soil microbial communities on the functioning of the agroecosystems is still poorly understood. Earlier work showed that soil tillage drastically altered microbial community composition. Here we tested, using an experimental grassland (Lolium, Trifolium, Plantago) as a model system, whether soil microbial communities from conventionally tilled (CT) and non-tilled (NT) soils have different influences on plant productivity and nutrient acquisition. We specifically focus on arbuscular mycorrhizal fungi (AMF), as they are a group of beneficial soil fungi that can promote plant productivity and ecosystem functioning and are also strongly affected by tillage management.Soil microbial communities from CT and NT soils varied greatly in their effects on the grassland communities. Communities from CT soil increased overall biomass production more than soil communities from NT soil. This effect was mainly due to a significant growth promotion of Trifolium by CT microorganisms. In contrast to CT soil inoculum, NT soil inoculum increased plant phosphorus concentration and total plant P content, demonstrating that the soil microbial communities from NT fields enhance P uptake. Differences in AM fungal community composition resulting, for instance, in twofold greater hyphal length in NT soil communities when compared to CT, are the most likely explanation for the different plant responses to CT and NT soil inocula.A range of field studies have shown that plant P uptake increases when farmers change to conservation tillage or direct seeding. Our results indicate that this enhanced P uptake results from enhanced hyphal length and an altered AM fungal community. Our results further demonstrate that agricultural management practices indirectly influence ecosystem services and plant community structure through effects on soil biota. PMID- 29210243 TI - Influential disease foci in epidemics and underlying mechanisms: a field experiment and simulations. AB - Pathogen invasions pose a growing threat to ecosystem stability and public health. Guidelines for the timing and spatial extent of control measures for pathogen invasions are currently limited, however. We conducted a field experiment using wheat (Triticum aestivum) stripe rust, caused by the wind dispersed fungus Puccinia striiformis, to study the extent to which host heterogeneity in an initial outbreak focus influences subsequent disease spread. We varied the frequency of susceptible host plants in an initial outbreak focus and in the non-focus of experimental plots, and observed the progress of epidemics produced by artificial inoculation. The frequency of susceptible hosts in the initial outbreak focus increased the spread of stripe rust in the experimental plots, while frequency of susceptible hosts outside the initial outbreak focus did not. This suggests that factors influencing pathogen reproduction in the initial outbreak focus are key to the control of epidemics of stripe rust. Two mechanisms may underlie the field results. The first is the continuing, direct infection of susceptible hosts in areas outside the initial outbreak focus by disease propagules arriving from the initial outbreak focus. The second is highly local proliferation of disease caused by direct descendants of colonizing individuals originating from the initial outbreak focus. We considered these two alternatives in simulations of a generalized pathogen exhibiting fat-tailed dispersal, similar to P. striiformis. Simulations showed a dominant effect of conditions in the initial outbreak focus, in agreement with the field experiment, but indicated that, over time, this dominance may erode. Analysis of the duration of focal dominance led to the conclusion that both mechanisms contribute to the phenomenon of focal dominance, and that the frequency of susceptible hosts in the initial outbreak focus had a stronger influence when the proportion of propagules that remained local during dispersal was higher. Overall, our results suggest that targeting pathogen reproduction in the initial outbreak focus will have a disproportionately large impact on subsequent epidemic spread. PMID- 29210244 TI - Biological soil crusts across disturbance-recovery scenarios: effect of grazing regime on community dynamics. AB - Grazing represents one of the most common disturbances in drylands worldwide, affecting both ecosystem structure and functioning. Despite the efforts to understand the nature and magnitude of grazing effects on ecosystem components and processes, contrasting results continue to arise. This is particularly remarkable for the biological soil crust (BSC) communities (i.e., cyanobacteria, lichens, and bryophytes), which play an important role in soil dynamics. Here we evaluated simultaneously the effect of grazing impact on BSC communities (resistance) and recovery after livestock exclusion (resilience) in a semiarid grassland of Central Mexico. In particular, we examined BSC species distribution, species richness, taxonomical group cover (i.e., cyanobacteria, lichen, bryophyte), and composition along a disturbance gradient with different grazing regimes (low, medium, high impact) and along a recovery gradient with differently aged livestock exclosures (short-, medium-, long-term exclusion). Differences in grazing impact and time of recovery from grazing both resulted in slight changes in species richness; however, there were pronounced shifts in species composition and group cover. We found we could distinguish four highly diverse and dynamic BSC species groups: (1) species with high resistance and resilience to grazing, (2) species with high resistance but low resilience, (3) species with low resistance but high resilience, and (4) species with low resistance and resilience. While disturbance resulted in a novel diversity configuration, which may profoundly affect ecosystem functioning, we observed that 10 years of disturbance removal did not lead to the ecosystem structure found after 27 years of recovery. These findings are an important contribution to our understanding of BCS dynamics from a species and community perspective placed in a land use change context. PMID- 29210245 TI - Health, Healthcare and Ageing Populations in Europe, a Human Rights Challenge for European Health Systems. AB - Demographic changes (ageing populations) are a challenge for European health systems. Innovative solutions must ensure elderly patients equitable access to good quality, affordable healthcare. De-centralisation and de institutionalisation in healthcare for the elderly have become policy priorities for European countries. Local governments must have sufficient experience for the necessary integration of health and social services. New ways of looking at health care systems are necessary for reasons of quality, accessibility, and costs-effectiveness. The implementation and co-ordinated monitoring of the health and care rights of the aged in Europe should be given full attention. There needs to be a handbook on elderly as well as an ombudsman. The exchange of experiences and best practices, oversight of the quality and effectiveness of the health- and care services and the system as such are indispensable. PMID- 29210246 TI - Quality Registries in Sweden, Healthcare Improvements and Elderly Persons with Cognitive Impairments. AB - Policy-makers, the medical industry and researchers are demonstrating a keen interest in the potential of large registries of patient data, both nationally and internationally. The registries offer promising ways to measure and develop operational quality within health and medical care services. As a result of certain favourable patient data regulations and government funding, the development of quality registries is advanced in Sweden. The combination of increasing demand for more cost-efficient healthcare that can accommodate the demographic development of a rapidly ageing population, and the emergence of eHealth with an increasing digitalisation of patient data, calls attention to quality registries as a possible way for healthcare improvements. However, even if the use of registries has many advantages, there are some drawbacks from a patient privacy point of view. This article aims to analyse this growing interdependence of quality registries for the healthcare sector. It discusses some lessons from the Swedish case, with particular focus on the collection of data from elderly persons with cognitive impairments. PMID- 29210247 TI - Access to Care in France for Elderly Immigrants from North Africa: Influence of Socio-cultural Factors (the MATC Survey). AB - France is faced with an ageing migrant population, and in the institutions for elderly, migrants represent only 4% and very few come from the Maghreb. Is it the result of a kind of discrimination or of other factors such as culture and traditions? In France migrants have access to aid and prevention of dependency plans. The reluctance to enter into institutions is maintained by the fear of cultural abuse and/or language barriers, and difficulties in financial and administrative matters. From the interviews of the MATC survey, we have pointed out the importance of culture and the tradition of filial piety. Nevertheless, solidarity in the family is decreasing but remains the basis of the care support to the elderly. The will to keep them in the family may limit both the diagnosis and the access to specific care. This attitude contributes to a kind of self discrimination. PMID- 29210248 TI - The View of the European Court of Human Rights on Competent Patients' Right of Informed Consent. Research in the Light of Articles 3 and 8 of the European Convention on Human Rights. AB - It is an internationally recognized principle that patients should give their informed consent to a treatment in order to avoid a violation of their right to personal autonomy. This article discusses this principle in the light of Articles 3 and 8 of The European Convention on Human Rights and the view of the European Court of Human Rights on this matter. Indeed, nowadays more complaints related to (the lack of) informed consent not only concern a possible violation of Article 8 of the Convention, but Article 3 has also gained importance, especially when a treatment is intrusive. PMID- 29210249 TI - Closing the Gap: A Human Rights Approach towards Social Determinants of Health. AB - Social determinants of health are major contributors to population health as well as health inequalities. The public perception that health inequalities that arise from these social determinants are unjust seems to be widespread across societies. Nevertheless, there is also scepticism about the progress in the implementation of actual policies to reduce health inequalities. Scholars, activists and policy makers from various disciplinary backgrounds increasingly stress the value of the human rights approach to support policies addressing health inequalities, and to hold actors in policies to address social determinants accountable for these inequalities. The 'right to health', in conjunction with the other health-related human rights, captures most elements of social determinants of health, and makes clear appeals to the governmental authorities at all levels to take action when social injustices occur. Existing judicial and non-judicial cases show us how human rights can be instrumental in addressing inequalities in health. PMID- 29210250 TI - European Court of Human Rights. PMID- 29210251 TI - Lightning or Lightning Bug: The Role of the Language Gap and the Access to Proper Information on Entitlements in Cross-border Patient Mobility. AB - The language barrier and the lack of reliable information were identified as major practical obstacles of European patient mobility. Patients are highly concerned about the ability to communicate with their doctors when obtaining healthcare in a country where they do not speak the local language, as well as they find it complicated to gather all the necessary information about an unfamiliar healthcare system or about their cross-border healthcare entitlements conferred on them by the Union legislation. In a multilingual and patient friendly European Union these issues must be tackled in order to ensure effective healthcare and to enforce patients' right to cross-border healthcare. This article investigates the current legal tools within the European Union on language gap in patient-provider communication and access to information on cross border healthcare entitlements. Moreover, it offers some possible solutions for the future. PMID- 29210252 TI - Property, Control and Separated Human Biomaterials. AB - This article examines the relationship between the existence of control rights and property in separated human biomaterials. Much of the theory as to what constitutes property is examined and it is contended that Article 22 of the Convention on Human Rights and Biomedicine does not presuppose property in such materials. An analysis is undertaken of the case-law relating to control and property in sperm and embryos from the UK, Australia and the US and the shortcomings of utilising the property paradigm in these disputes are highlighted. PMID- 29210253 TI - Should Anthroposophic Medicinal Products Be Regulated in Europe? AB - European Commission's reports suggest that the European Union should address the status of anthroposophic products, i.e. products that are developed, manufactured and prescribed in accordance with the holistic approach on which anthroposophic medicine is based. Anthroposophic products cannot be placed as such on the European market because they cannot meet the marketing authorisation or even registration requirements set out by European or national pharmaceutical law. Yet, the 95-year European tradition and good safety profile of anthroposophic products justify giving them an easier access to market. Such access can result from specific rules on anthroposophic products, but can be more efficiently achieved by encouraging the Member States to better apply the existing rules on marketing authorisation procedures or on registration of homeopathic and traditional herbal medicinal products, or by including anthroposophic substances, manufacturing methods or uses in monographs. PMID- 29210254 TI - Developing a Legal Framework for Advance Healthcare Planning: Comparing England & Wales and Ireland. AB - This article examines the legislative frameworks for advance healthcare planning in England & Wales (the Mental Capacity Act 2005) and in Ireland (the Assisted Decision-Making (Capacity) Act 2015), undertaking a comparative analysis of each measure, with particular focus on the detail of the approaches taken. It is only through this kind of detailed focus that the normative choices made by legislation can fully be understood and evaluated. The article argues that, in several respects, possibly because the drafters were able to reflect lessons learned from other jurisdictions, the Assisted Decision-Making (Capacity) Act 2015 provides a more rounded and complete form of advance healthcare planning than that provided by the Mental Capacity Act. This is on the basis that it provides more protection for patient choice; better potential for delivery on the choices made; and a more appropriate balance between formalities and enforceability. PMID- 29210255 TI - The Legalisation of Gamete Donation in Italy. AB - Since 2004, the regulation of assisted reproduction in Italy has undergone substantial reform as an effect of key judicial intervention. Limitations on embryo production, screening and transfer, the prohibition against engaging in preimplantation genetic diagnosis (PGD) and embryo selection, and the ban on gamete donation have all been removed by courts. In this article, I discuss how judicial intervention has improved the ability of Italian couples to access assisted reproduction technologies (ARTs), and how the expansion of reproductive rights is, however, still incomplete. In particular, I discuss the challenges in implementing the liberalisation of gamete donation, and identify the practical, political and cultural reasons for limited access to gamete donation. I also discuss the future of the prohibitions and restrictions that still exist in Law 40/2004. PMID- 29210256 TI - European Court of Human Rights. PMID- 29210257 TI - New EU Rules for In Vitro Diagnostic Genetic Tests, a First Step in the Right Direction. PMID- 29210258 TI - Genetic Discrimination: A Case for a European Legislative Response? AB - With rapid scientific and technological advances, a new genetic era is emerging. However, these advances raise ethical and legal issues, particularly genetic discrimination, that may threaten advancing science in the absence of appropriate regulation. There is currently no concrete legislative position in this area at EU level, but rather a patchwork of diverging legislative approaches amongst Member States. Genetic discrimination has been singled out as an area of reform in Europe as evidenced, for example in EU Charter of Fundamental Rights, Article 21.1 prohibiting discrimination based on 'genetic features.' The United Nations Convention on the Rights of Persons with Disabilities also informs this debate and may spur legislative action. From a transatlantic perspective, the United States' federal legislation (Genetic Information Non Discrimination Act) is noteworthy. Considering scientific and technological developments, the rights at stake and the various regulatory benchmarks, this paper explores the regulation of genetic information in the EU. PMID- 29210259 TI - Preimplantation Genetic Diagnosis: The Situation in France and in Other European Countries. AB - Preimplantation genetic diagnosis (PGD) relates exclusively to in vitro fertilisation techniques (IVF) that aim to prevent transmission of a serious genetic abnormality to the child. The genetic characteristics of the embryo created through IVF are analysed, and only the embryos free of the genetic abnormality are implanted in the womb. Performed worldwide since 1990, this technique has raised many legal and ethical debates due to the very wide variations of lawgiving between countries. This is shown by the report of the UNESCO IBC (2003), which described the techniques and the issues raised by preimplantation genetic diagnosis. In this article, the authors present the differences between prenatal diagnosis and preimplantation genetic diagnosis, the French legislation, then the range of legislation in Europe and finally the position of the European Court of Human Rights which sanctioned Italy and Latvia for refusing access to PGD. PMID- 29210260 TI - "Better Not to Know?": Justifiable Limits on the Right to Information in the Realm of DTC Genetic Testing. An Analysis of the European and Spanish Legal Framework. AB - The rapid advance of genetics increases the availability in the market of different genetic tests, which can be acquired directly by consumers without the intermediation of a healthcare professional. Both the European and the Spanish legal framework have restricted the access to these direct-to-consumer (DTC) genetic tests on the grounds of different reasons, such as the protection of consumers or the preservation of public health. The present article discusses these legal restrictions under the light of the right to information. PMID- 29210261 TI - European Court of Human Rights. PMID- 29210262 TI - Modulation of Manganite Nanofilm Properties Mediated by Strong Influence of Strontium Titanate Excitons. AB - Hole-doped perovskite manganites have attracted much attention because of their unique optical, electronic, and magnetic properties induced by the interplay between spin, charge, orbital, and lattice degrees of freedom. Here, a comprehensive investigation of the optical, electronic, and magnetic properties of La0.7Sr0.3MnO3 thin films on SrTiO3 (LSMO/STO) and other substrates is conducted using a combination of temperature-dependent transport, spectroscopic ellipsometry, X-ray absorption spectroscopy, and X-ray magnetic circular dichroism. A significant difference in the optical property of LSMO/STO that occurs even in thick (87.2 nm) LSMO/STO from that of LSMO on other substrates is discovered. Several excitonic features are observed in thin film nanostructure LSMO/STO at ~4 eV, which could be attributed to the formation of anomalous charged excitonic complexes. On the basis of the spectral weight transfer analysis, anomalous excitonic effects from STO strengthen the electronic correlation in LSMO films. This results in the occurrence of optical spectral changes related to the intrinsic Mott-Hubbard properties in manganites. We find that while lattice strain from the substrate influences the optical properties of the LSMO thin films, the coexistence of strong electron-electron (e-e) and electron-hole (e-h) interactions which leads to the resonant excitonic effects from the substrate plays a much more significant role. Our result shows that the onset of anomalous excitonic dynamics in manganite oxides may potentially generate new approaches in manipulating exciton-based optoelectronic applications. PMID- 29210263 TI - Quasi 2D Mesoporous Carbon Microbelts Derived from Fullerene Crystals as an Electrode Material for Electrochemical Supercapacitors. AB - Fullerene C60 microbelts were fabricated using the liquid-liquid interfacial precipitation method and converted into quasi 2D mesoporous carbon microbelts by heat treatment at elevated temperatures of 900 and 2000 degrees C. The carbon microbelts obtained by heat treatment of fullerene C60 microbelts at 900 degrees C showed excellent electrochemical supercapacitive performance, exhibiting high specific capacitances ca. 360 F g-1 (at 5 mV s-1) and 290 F g-1 (at 1 A g-1) because of the enhanced surface area and the robust mesoporous framework structure. Additionally, the heat-treated carbon microbelt showed good rate performance, retaining 49% of capacitance at a high scan rate of 10 A g-1. The carbon belts exhibit super cyclic stability. Capacity loss was not observed even after 10 000 charge/discharge cycles. These results demonstrate that the quasi 2D mesoporous carbon microbelts derived from a pi-electron-rich carbon source, fullerene C60 crystals, could be used as a new candidate material for electrochemical supercapacitor applications. PMID- 29210264 TI - Morphology and Surface Reactivity Relationship in the Li1+xMn2-xO4 Spinel with x = 0.05 and 0.10: A Combined First-Principle and Experimental Study. AB - This article focuses on the surface reactivity of two spinel samples with different stoichiometries and crystal morphologies, namely Li1+xMn2-xO4 with x = 0.05 and 0.10. LiMn2O4 compounds are good candidates as positive electrode of high-power lithium-ion batteries for portable devices. The samples were investigated using both experimental and theoretical approaches. On the experimental point of view, they were characterized in depth from X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy (XPS) analyses. Then, the reactivity was investigated through the adsorption of (SO2) gaseous probes, in controlled conditions, followed by XPS characterization. First-principle calculations were conducted simultaneously to investigate the electronic properties and the reactivity of relevant surfaces of an ideal LiMn2O4 material. The results allow us to conclude that the reactivity of the samples is dominated by an acido-basic reactivity and the formation of sulfite species. Nonetheless, on the x = 0.05 sample, both sulfite and sulfate species are obtained, the later, in lesser extent, corresponding to a redox reactivity. Combining experimental and theoretical results, this redox reactivity could be associated with the presence of a larger quantity of Mn4+ cations on the last surface layers of the material linked to a specific surface orientation. PMID- 29210265 TI - Characterizing the Switching Transitions of an Adsorbed Peptide by Mapping the Potential Energy Surface. AB - Peptide adsorption occurs across technology, medicine, and nature. The functions of adsorbed peptides are related to their conformation. In the past, molecular simulation methods such as molecular dynamics have been used to determine key conformations of adsorbed peptides. However, the transitions between these conformations often occur too slowly to be modeled reliably by such methods. This means such transitions are less well understood. In the study reported here, discrete path sampling is used for the first time to study the potential energy surface of an adsorbed peptide (polyalanine) and the transition pathways between various stable adsorbed conformations that have been identified in prior work by two of the authors [ Mijajlovic , M. ; Biggs , M. J. J. Phys. Chem. C 2007 , 111 , 15839 - 15847 ]. Mechanisms for the switching of adsorbed polyalanine between the stable conformations are elucidated along with the energetics of these switches. PMID- 29210266 TI - High-Speed Atomic Force Microscopy Reveals the Inner Workings of the MinDE Protein Oscillator. AB - The MinDE protein system from E. coli has recently been identified as a minimal biological oscillator, based on two proteins only: The ATPase MinD and the ATPase activating protein MinE. In E. coli, the system works as the molecular ruler to place the divisome at midcell for cell division. Despite its compositional simplicity, the molecular mechanism leading to protein patterns and oscillations is still insufficiently understood. Here we used high-speed atomic force microscopy to analyze the mechanism of MinDE membrane association/dissociation dynamics on isolated membrane patches, down to the level of individual point oscillators. This nanoscale analysis shows that MinD association to and dissociation from the membrane are both highly cooperative but mechanistically different processes. We propose that they represent the two directions of a single allosteric switch leading to MinD filament formation and depolymerization. Association/dissociation are separated by rather long apparently silent periods. The membrane-associated period is characterized by MinD filament multivalent binding, avidity, while the dissociated period is defined by seeding of individual MinD. Analyzing association/dissociation kinetics with varying MinD and MinE concentrations and dependent on membrane patch size allowed us to disentangle the essential dynamic variables of the MinDE oscillation cycle. PMID- 29210267 TI - Ultrafast Photodynamics of Glucose. AB - We have investigated the photodynamics of beta-d-glucose employing our field induced surface-hopping (FISH) method, which allows us to simulate the coupled electron-nuclear dynamics, explicitly including nonadiabatic effects and light induced excitation. Our results reveal that from the initially populated S1 and S2 states, glucose returns nonradiatively to the ground state within about 200 fs. This takes place mainly via conical intersections (CIs), whose geometries in most cases involve the elongation of a single O-H bond, whereas in some instances, ring-opening due to dissociation of a C-O bond is observed. Experimentally, excitation to a distinct excited electronic state is improbable due to the presence of a dense manifold of states bearing similar oscillator strengths. Our FISH simulations, explicitly including a UV laser pulse of 6.43 eV photon energy, reveal that after initial excitation, the population is almost equally spread over several close-lying electronic states. This is followed by a fast nonradiative decay on the time scale of 100-200 fs, with the final return to the ground state proceeding via the S1 state through the same types of CIs as observed in the field-free simulations. PMID- 29210268 TI - Correction to "Limits of Carrier Diffusion in n-Type and p-Type CH3NH3PbI3 Perovskite Single Crystals". PMID- 29210269 TI - Single or Synergistic Kinetic Resolutions of Chiral Allylalanes: Two Complementary Routes for the Asymmetric Synthesis of Syn Homoallylamines. AB - Two strategies based on kinetic resolution(s) of chiral alanes and providing enantioenriched syn homoallylamines are reported. The first implies a single kinetic resolution of the alane using camphor; the second requires two sequential kinetic resolutions using the synergistic combination of (-)-camphor/(R)-tert butylsulfinamide-derived imines. This syn selectivity, specific to the use of allyaluminum, opens the way to the preparation of valuable building blocks as illustrated by the synthesis of (+)-epilupinamine. PMID- 29210270 TI - Morphology Control of Carbon-Free Spinel NiCo2O4 Catalysts for Enhanced Bifunctional Oxygen Reduction and Evolution in Alkaline Media. AB - Spinel NiCo2O4 is considered a promising precious metal-free catalyst that is also carbon-free for oxygen electrocatalysis. Current efforts mainly focus on optimal chemical doping and substituent to tune its electronic structures for enhanced activity. Here, we study its morphology control and elucidate the morphology-dependent catalyst performance for bifunctional oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Three types of NiCo2O4 catalysts with significantly distinct morphologies were prepared using temple free, Pluronic-123 (P-123) soft, and SiO2 hard templates, respectively, via hydrothermal methods followed by calcination. Whereas the hard-template yields spherelike dense structures, soft-template assists the formation of a unique nanoneedle cluster assembly containing abundant meso- and macropores. Furthermore, the effect of morphology of NiCo2O4 on their corresponding bifunctional catalytic performance was systematically investigated. The flowerlike nanoneedle assembly NiCo2O4 catalyst via the soft-template method exhibited the highest catalytic activity and stability for both ORR and OER. In particular, it exhibited an onset and half-wave potentials of 0.94 and 0.82 V versus reversible hydrogen electrode, respectively, for the ORR in alkaline media. Although it is still inferior to Pt, the NiCo2O4 represents one of the best ORR catalyst compared to other reported carbon-free oxides. Meanwhile, remarkable OER activity and stability were achieved with an onset potential of 1.48 V and a current density of 15 mA/cm2 at 1.6 V, showing no activity loss after 20 000 potential cycles (0-1.9 V). The demonstrated stability is even superior to Ir for the OER. The morphology-controlled approach provides an effective solution to create a robust three-dimensional architecture with increased surface areas and enhanced mass transfer. Importantly, the soft template can yield a high degree of spinel crystallinity with ideal stoichiometric ratios between Ni and Co, thus promoting structural integrity with enhanced electrical conductivity and catalytic properties. PMID- 29210271 TI - Ultrasensitive Detection of Cancer Cells Combining Enzymatic Signal Amplification with an Aerolysin Nanopore. AB - Sensitive detection of cancer cells at extremely low concentrations would greatly facilitate the screening and early diagnosis of cancer. Herein, we present a novel nanopore-based strategy for ultrasensitive detection of Ramos cells (human Burkitt's lymphoma cells), by combining the enzymatic signal amplification with an aerolysin nanopore sensor. In this assay, an aptamer for Ramos cells was prehybridized with a short complementary DNA. The presence of target cells causes the target-aptamer complex to unwind to free the complementary DNA, which would subsequently trigger the enzymatic cycling amplification. This process eventually generated a large number of output DNA, which could quantitatively produce characteristic current events when translocated through aerolysin. The proposed method exhibits excellent sensitivity, and as few as 5 Ramos cells could be detected. With good selectivity, the approach can allow for the determination of cancer cells in human serum, offering a powerful tool for biomedical research and clinical diagnosis. PMID- 29210272 TI - Facile Electrochemical Synthesis of 2D Monolayers for High-Performance Thin-Film Transistors. AB - In this paper, we report high-performance monolayer thin-film transistors (TFTs) based on a variety of two-dimensional layered semiconductors such as MoS2, WS2, and MoSe2 which were obtained from their corresponding bulk counterparts via an anomalous but high-yield and low-cost electrochemical corrosion process, also referred to as electro-ablation (EA), at room temperature. These monolayer TFTs demonstrated current ON-OFF ratios in excess of 107 along with ON currents of 120 MUA/MUm for MoS2, 40 MUA/MUm for WS2, and 40 MUA/MUm for MoSe2 which clearly outperform the existing TFT technologies. We found that these monolayers have larger Schottky barriers for electron injection compared to their multilayer counterparts, which is partially compensated by their superior electrostatics and ultra-thin tunnel barriers. We observed an Anderson type semiconductor-to-metal transition in these monolayers and also discussed possible scattering mechanisms that manifest in the temperature dependence of the electron mobility. Finally, our study suggests superior chemical stability and electronic integrity of monolayers even after being exposed to extreme electro-oxidation and corrosion processes which is promising for the implementation of such TFTs in harsh environment sensing. Overall, the EA process proves to be a facile synthesis route offering higher monolayer yields than mechanical exfoliation and lower cost and complexity than chemical vapor deposition methods. PMID- 29210273 TI - Covalently Attached Antimicrobial Surfaces Using BODIPY: Improving Efficiency and Effectiveness. AB - The development of photoactivated antimicrobial surfaces that kill pathogens through the production of singlet oxygen has proved very effective in recent years, with applications in medical devices and hospital touch surfaces, to improve patient safety and well being. However, many of these surfaces require a swell-encapsulation-shrink strategy to incorporate the photoactive agents in a polymer matrix, and this is resource intensive, given that only the surface fraction of the agent is active against bacteria. Furthermore, there is a risk that the agent will leach from the polymer and thus raises issues of biocompatibility and patient safety. Here, we describe a more efficient method of fabricating a silicone material with a covalently attached monolayer of photoactivating agent that uses heavy-atom triplet sensitization for improved singlet oxygen generation and corresponding antimicrobial activity. We use boron dipyrromethane with a reactive end group and incorporated Br atoms, covalently attached to poly(dimethylsiloxane). We demonstrate the efficacy of this material in producing singlet oxygen and killing Staphylococcus aureus and suggest how it might be easily modifiable for future antimicrobial surface development. PMID- 29210274 TI - Synthesis of N,S-Heterocycles and Dithiocarbamates by the Reaction of Dithiocarbamic Acids and S-Alkyl Dithiocarbamates with Nitroepoxides. AB - A facile and efficient procedure for the synthesis of substituted thiazole-2(3H) thiones and thiazolidine-2-thiones by the reaction of primary amines, carbon disulfide, and nitroepoxides is described. By using secondary amines in this protocol, the corresponding dithiocarbamate-substituted phenyl-2-propanones were prepared in excellent yields. In addition, substituted thiazoles and 1 (alkylthio)-1-phenylpropan-2-ones were prepared in reactions of S-alkyl dithiocarbamates and nitroepoxides. PMID- 29210275 TI - Sequestration of Antimony on Calcite Observed by Time-Resolved Nanoscale Imaging. AB - Antimony, which has damaging effects on the human body and the ecosystem, can be released into soils, ground-, and surface waters either from ore minerals that weather in near surface environments, or due to anthropogenic releases from waste rich in antimony, a component used in batteries, electronics, ammunitions, plastics, and many other industrial applications. Here, we show that dissolved Sb can interact with calcite, a widespread carbonate mineral, through a coupled dissolution-precipitation mechanism. The process is imaged in situ, at room temperature, at the nanometer scale by using an atomic force microscope equipped with a flow-through cell. Time-resolved imaging allowed following the coupled process of calcite dissolution, nucleation of precipitates at the calcite surface and growth of these precipitates. Sb(V) forms a precipitate, whereas Sb(III) needs to be oxidized to Sb(V) before being incorporated in the new phase. Scanning-electron microscopy and Raman spectroscopy allowed identification of the precipitates as two different calcium-antimony phases (Ca2Sb2O7). This coupled dissolution-precipitation process that occurs in a boundary layer at the calcite surface can sequester Sb as a solid phase on calcite, which has environmental implications as it may reduce the mobility of this hazardous compound in soils and groundwaters. PMID- 29210276 TI - Direct Carboxylation of the Diazo Group ipso-C(sp2)-H bond with Carbon Dioxide: Access to Unsymmetrical Diazomalonates and Derivatives. AB - The direct carboxylation of the ipso-C(sp2)-H bond of a diazo compound with carbon dioxide under mild reaction conditions is described. This method is transition-metal-free, uses a weak base, and proceeds at ambient temperature under atmospheric pressure in carbon dioxide. The carboxylation exhibits high reactivity and is amenable to subsequent diversification. A series of unsymmetrical 1,3-diester/keto/amide diazo compounds are obtained with moderate to excellent yields (up to 99%) with good functional group compatibility. PMID- 29210277 TI - Catalytic Enantioselective Synthesis of (-)-Podophyllotoxin. AB - The first catalytic enantioselective total synthesis of (-)-podophyllotoxin is accomplished by a challenging organocatalytic cross-aldol Heck cyclization and distal stereocontrolled transfer hydrogenation in five steps from three aldehydes. Reversal of selectivity in hydrogenation led to the syntheses of other stereoisomers from the common precursor. PMID- 29210278 TI - Decellularized Liver Matrix-Modified Cryogel Scaffolds as Potential Hepatocyte Carriers in Bioartificial Liver Support Systems and Implantable Liver Constructs. AB - Recent progress in the use of decellularized organ scaffolds as regenerative matrices for tissue engineering holds great promise in addressing the issue of donor organ shortage. Decellularization preserves the mechanical integrity, composition, and microvasculature critical for zonation of hepatocytes in the liver. Earlier studies have reported the possibility of repopulating decellularized matrices with hepatic cell lines or stem cells to improve liver regeneration. In this work, we study the versatility of the decellularized liver matrix as a substrate coating of three-dimensional cryogel scaffolds. The coated cryogels were analyzed for their ability to maintain hepatic cell growth and functionality in vitro, which was found to be significantly better than the uncoated cryogel scaffolds. The decellularized liver matrix-coated cryogel scaffolds were evaluated for their potential application as a cell-loaded bioreactor for bioartificial liver support and as an implantable liver construct. Extracorporeal connection of the coated cryogel bioreactor to a liver failure model showed improvement in liver function parameters. Additionally, offline clinical evaluation of the bioreactor using patient-derived liver failure plasma showed its efficacy in improving liver failure conditions by approximately 30 60%. Furthermore, implantation of the decellularized matrix-coated cryogel showed complete integration with the native tissue as confirmed by hematoxylin and eosin staining of tissue sections. HepG2 cells and primary human hepatocytes seeded in the coated cryogel scaffolds implanted in the liver failure model maintained functionality in terms of albumin synthesis and cytochrome P450 activity post 2 weeks of implantation. In addition, a 20-60% improvement in liver function parameters was observed post implantation. These results, put together, suggest a possibility of using the decellularized matrix-coated cryogel scaffolds for liver tissue engineering applications. PMID- 29210279 TI - Erythrocyte-Membrane-Coated Prussian Blue/Manganese Dioxide Nanoparticles as H2O2 Responsive Oxygen Generators To Enhance Cancer Chemotherapy/Photothermal Therapy. AB - Because of the nontargeting release of anticancer drugs, conventional chemotherapy results in serious side effects and poor therapeutic outcomes. In addition, hypoxia situation in the tumor microenvironment also promotes the growth and metastasis of tumors. Multifunctional nanocarriers with stimuli activation and hypoxia-relieving properties can help overcome some of these limitations. In this study, we have constructed a nanocarrier which is named PBMn DOX@RBC. A Prussian blue/manganese dioxide (PBMn) nanoparticle is used as an oxygen precursor or catalyzer for H2O2 activation, and a red blood cell (RBC) membrane is used to increase the loading capacity of doxorubicin (DOX) and prolong the circulation time in vivo. H2O2 is overproduced in tumor tissues and tumor cells. It can be used as a stimulus to activate drug release. In the presence of H2O2, the hypoxia inside the tumors is relieved by the administration of PBMn-DOX@RBC. The generated oxygen disrupts the RBC coated on the surface of PBMn, which accelerates the release of DOX. RBCs also prolong the circulation time of the nanometer system in vivo. By combining the photothermal therapy (PTT) and chemotherapy, the tumor growth inhibition mediated by PBMn-DOX@RBC is further enhanced. PBMn-DOX@RBC fulfills the demands to relieve tumor hypoxia and enhance cancer chemotherapy/PTT. PMID- 29210280 TI - Quantifying the Primary Emissions and Photochemical Formation of Isocyanic Acid Downwind of Oil Sands Operations. AB - Isocyanic acid (HNCO) is a known toxic species and yet the relative importance of primary and secondary sources to regional HNCO and population exposure remains unclear. Off-road diesel fuel combustion has previously been suggested to be an important regional source of HNCO, which implies that major industrial facilities such as the oil sands (OS), which consume large quantities of diesel fuel, can be sources of HNCO. The OS emissions of nontraditional toxic species such as HNCO have not been assessed. Here, airborne measurements of HNCO were used to estimate primary and secondary HNCO for the oil sands. Approximately 6.2 +/- 1.1 kg hr-1 was emitted from off-road diesel activities within oil sands facilities, and an additional 116-186 kg hr-1 formed from the photochemical oxidation of diesel exhaust. Together, the primary and secondary HNCO from OS operations represent a significant anthropogenic HNCO source in Canada. The secondary HNCO downwind of the OS was enhanced by up to a factor of 20 relative to its primary emission, an enhancement factor significantly greater than previously estimated from laboratory studies. Incorporating HNCO emissions and formation into a regional model demonstrated that the HNCO levels in Fort McMurray (~10-70 km downwind of the OS) are controlled by OS emissions; > 50% of the monthly mean HNCO arose from the OS. While the mean HNCO levels in Fort McMurray are predicted to be below the 1000 pptv level associated with potential negative health impacts, (~25 pptv in August-September), an order of magnitude increase in concentration is predicted (250-600 pptv) when the town is directly impacted by OS plumes. The results here highlight the importance of obtaining at-source HNCO emission factors and advancing the understanding of secondary HNCO formation mechanisms, to assess and improve HNCO population exposure predictions. PMID- 29210281 TI - Characterization of the Rhodococcus sp. MK1 strain and its pilot application for bioremediation of diesel oil-contaminated soil. AB - Petroleum hydrocarbons and derivatives are widespread contaminants in both aquifers and soil, their elimination is in the primary focus of environmental studies. Microorganisms are key components in biological removal of pollutants. Strains capable to utilize hydrocarbons usually appear at the contaminated sites, but their metabolic activities are often restricted by the lack of nutrients and/or they can only utilize one or two components of a mixture. We isolated a novel Rhodococcus sp. MK1 strain capable to degrade the components of diesel oil simultaneously. The draft genome of the strain was determined and besides the chromosome, the presence of one plasmid could be revealed. Numerous routes for oxidation of aliphatic and aromatic compounds were identified. The strain was tested in ex situ applications aiming to compare alternative solutions for microbial degradation of hydrocarbons. The results of bioaugmentation and biostimulation experiments clearly demonstrated that - in certain cases - the indigenous microbial community could be exploited for bioremediation of oil contaminated soils. Biostimulation seems to be efficient for removal of aged contaminations at lower concentration range, whereas bioaugmentation is necessary for the treatment of freshly and highly polluted sites. PMID- 29210282 TI - Neuropsychiatric Profile in Early Versus Late Onset Alzheimer's Disease. AB - BACKGROUND: The aim of this study was to investigate the frequency and severity of neuropsychiatric symptoms (NPS) in patients with early onset Alzheimer's disease (EAOD) and late onset AD (LOAD). METHODS: Patients were selected from a specialized memory outpatient clinic. The Mini-Mental State Examination, the Neuropsychiatric Inventory (NPI), and the Global Deterioration Scale results were analyzed. RESULTS: By comparing EOAD (n = 35) and LOAD (n = 35) patients, no significant differences were found in clinical or demographic variables, matched for sex, education, and disease severity. There were no differences between groups in total NPI frequency or severity scores. The most common NPS were irritability, apathy, anxiety, and depression. We found an association of NPI scores with disease severity and duration, which was more specific in patients with LOAD and was also associated with the presence of delusions and hallucinations. CONCLUSION: Despite subtle differences, NPS is considered important in the assessment of patients with AD, regardless of the age of onset. PMID- 29210283 TI - The Contribution of Supplementary Tests in the Differential Diagnosis of Dementia. AB - INTRODUCTION: Supplementary tests are part of the clinical approach to diagnose cognitive impairment. We aimed to determine the role of supplementary examinations, except for biomarkers, on diagnostic stability of dementia over time and to identify reversible dementias. METHODS: We identified 432 patients with dementia who performed 2 clinical evaluations and the supplementary examinations recommended by the American Academy of Neurology in a follow-up period of 1 year. RESULTS: In this sample, 110 (24.5%) patients changed their diagnosis at 1-year follow-up for the appearance of vascular cognitive impairment than the initial diagnosis, due to the neuroimaging. Concerning the reversible dementias, depression was the major differential diagnosis, detected in 13 (81%) of the 16 patients with cognitive improvement. CONCLUSION: Therefore, regarding the supplementary examinations only neuroimaging and the depression triage were relevant for clinical practice regarding the differential diagnosis of dementia. PMID- 29210284 TI - Can Persistence With Cholinesterase Inhibitor Treatment Lower Mortality and Health-Care Costs Among Patients With Alzheimer's Disease? A Population-Based Study in Taiwan. AB - Although cholinesterase inhibitors (ChEIs) have been proved to help reduce cognitive deterioration in patients with Alzheimer's disease (AD), their effects on survival remain inconclusive. This study aims to assess the effects of the persistent use of ChEIs on the risk of mortality in patients with AD. This population-based cohort study included 8614 patients having AD with ChEI prescription from 2002 to 2006 and followed until 2010. Kaplan-Meier curves and hazard ratios (HRs) of mortality were estimated in association with ChEI treatment duration and adherence. The average annual mortality rate per 100 person-years was 9.2 for the short-duration group (discontinued < 1 year) and 7.2 for the long-duration group (discontinued >= 2 years). Compared to the short duration group, the long-duration group had a lower mortality (HR = 0.76, 95% confidence interval: 0.69-0.84) and shorter annual inpatient days. But the annual health-care costs did not differ significantly between the 2 groups. PMID- 29210285 TI - New tetralone derivatives from the leaves of Cyclocarya paliurus. AB - Two new tetralone derivatives, named cyclopalosides A (1) and B (2), were isolated from the leaves of Cyclocarya paliurus by column chromatography on silica gel, reversed-phase C18 silica gel and preparative HPLC. Their chemical structures were established on the basis of extensive analyses of spectroscopic data. Their structural characteristic is tetralone glycoside with a caffeoyl unit. The antioxidant activities of compound 1 were evaluated by using hydroxyl, superoxide anion, and DPPH radical scavenging assay. PMID- 29210286 TI - Morality in clinical space: treatment of youngsters with functional somatic symptoms in a Western clinical context. AB - This paper explores the moral implications of treatment of young people with functional somatic symptoms. Based on an ethnographic field study at a Danish pain clinic for youngsters (age 8 to 18), the paper seeks to unearth the cultural, moral values that clinical practice steers by and upholds, and the implications this has for the assessment and management of ill body-selves. Through an exposition of the general practice of the clinic and an investigation of two specific cases of youngsters, it is found that the assessment of symptoms and selves and the goals of treatment are informed by cultural ideals of 'the good self' and 'the good life' in which agency and work ethic - both pertaining to the notion of individual responsibility - figure as prevalent virtues. The study underpins the findings of other researchers who have found that ideals of individual autonomy and responsibility for own life and health permeate the Western health care system and the discourses of ill individuals. The contribution of this article is to portray in ethnographic detail how such a cultural ethics manifests in practice and what implications this have for the treatment of young people with functional symptoms at a specific location and in specific cases. The two cases illustrate that the underlying norms and values can give rise to very different moral assessments of symptoms and selves within the same diagnostic category. PMID- 29210288 TI - Efficacy and effectiveness of valsartan/amlodipine and valsartan/amlodipine/hydrochlorothiazide in hypertension: randomized controlled versus observational studies. AB - OBJECTIVE: The aim of this post-hoc analysis was to compare the results from randomized controlled trials (RCTs) and real-world evidence (RWE) studies of valsartan/amlodipine (Val/Aml) and valsartan/amlodipine/hydrochlorothiazide (Val/Aml/HCTZ) in patients with uncontrolled hypertension (>140/90 mmHg). METHODS: Data was pooled from 15 RCTs (N = 5542) and 8 RWE studies (N = 1397) for Val/Aml; and 2 RCTs (N = 804) and 5 RWE studies (N = 9380) for Val/Aml/HCTZ. Patients who received Val/Aml (80/5, 160/5, 160/10, 320/5, or 320/10 mg), Val/Aml/HCTZ (160/5/12.5, 160/5/25, 160/10/12.5, 160/10/25, or 320/10/25 mg) or placebo were considered for this analysis. Only patients with both baseline and follow-up assessment within 60-90 days after baseline had been included in the analysis. Patients with missing values were excluded from the analysis. Using fitted linear mixed-effects model and random factors, treatment interactions and study design with mean sitting systolic blood pressure (msSBP), diastolic BP (msDBP) and pulse pressure (msPP) reductions from baseline to Week 8-12 of treatment were compared. RESULTS: Baseline demographics and patient characteristics were comparable between RCT and RWE datasets and within Val/Aml and Val/Aml/HCTZ treatment groups. In both RCT and RWE studies, least-squares mean (LSM) reduction in msSBP/msDBP and msPP from baseline were significant (p < .05) across all dosages. The efficacy of Val/Aml in RCTs was statistically significantly greater than in RWE studies for msSBP/msDBP (-23.1/-13.8 vs. -17.9/ 9.1 mmHg) but the difference was non-significant for msPP (-8.6 vs. -9.3 mmHg; p = .77). For Val/Aml/HCTZ, no direct comparison was available but a similar trend was observed. The difference observed for msSBP and msDBP may be due to routine practice setting, larger populations may have more confounders and different behaviors towards treatment adherence. CONCLUSION: These findings demonstrate that the efficacy of Val/Aml and Val/Aml/HCTZ in RCTs was more pronounced compared with their effectiveness in RWE studies in different ethnic populations although the overall benefit was not different. PMID- 29210289 TI - Retraction. PMID- 29210287 TI - Dexmedetomidine protects against oxygen-glucose deprivation/reoxygenation injury induced apoptosis via the p38 MAPK/ERK signalling pathway. AB - Objective To investigate the protective effects of dexmedetomidine (DEX) in oxygen-glucose deprivation/reoxygenation (OGD/R) injury, which is involved in a number of ischaemic diseases. Methods An in vitro OGD/R injury model was generated using mouse Neuro 2A neuroblastoma (N2A) cells. Different concentrations of DEX were administrated to OGD/R cells. CV-65 was used to inhibit p38 microtubule associated protein kinase/extracellular signal-regulated kinases (MAPK/ERK) signalling. Cell proliferation, cell cycle, apoptosis, and the levels of proteins related to p38 MAPK/ERK signalling and apoptosis were evaluated using Cell Counting Kit-8, flow cytometry, TdT-UTP nick end labelling and Western blot analysis, respectively. Results DEX treatment of OGD/R cells promoted cell survival and attenuated OGD/R-induced cell apoptosis. It also activated the p38 MAPK/ERK signalling pathway, increased the levels of Bcl-2, and decreased the levels of Bax and cleaved caspase-3. Treatment with the p38 MAPK/ERK inhibitor CV-65 inhibited the activation of p38 MAPK/ERK and abrogated the DEX-induced effects on cell survival and apoptosis. Conclusions DEX protects N2A cells from OGD/R-induced apoptosis via the activation of the p38 MAPK/ERK signalling pathway. DEX might be an effective agent for the treatment of ischaemic diseases. PMID- 29210290 TI - Demographic and lifestyle factors that affect HbA1c awareness amongst type II diabetic patients in Trinidad. AB - OBJECTIVES: To determine the awareness of HbA1c values and correlate this with educational levels, dietary intake and physical activity in type II diabetic population of Trinidad. METHODS: Total of 222 type II diabetic subjects were assessed via questionnaire evaluating their demographics, type and duration of diabetes, type and frequency of glucose testing, dietary intake and physical activity. HbA1c data was coded as patients who were aware versus patients who were not aware. RESULTS: Of the respondents, 41.9% were aware of the term HbA1c while 58.1% were unaware. Statistically, there were positive correlations (p < .05) between HbA1c awareness and level of education received by type II diabetic patients as well as between HbA1c awareness and intensity of exercise performed (p< .05). However, the relationship between dietary breakfast choices and HbA1c awareness was not significant. CONCLUSIONS: A significant correlation was established between HbA1c awareness, intensity of exercise and the level of education obtained. PMID- 29210291 TI - Use of cerebral oxygen saturation and hemoglobin concentration to predict acute kidney injury after cardiac surgery. AB - Objective Acute kidney injury (AKI) is a common complication after cardiac surgery and is associated with significant morbidity and mortality. Near infrared spectroscopy (NIRS) is a noninvasive technique for real-time measurement of cerebral tissue oxygenation. The purpose of the present study was to evaluate the correlation of AKI with hemoglobin and regional cerebral oxygen saturation (rScO2) measured intraoperatively and postoperatively in patients undergoing cardiac surgery. Methods We retrospectively analyzed the prospectively collected data of 45 adult patients with normal renal function who underwent isolated coronary artery bypass grafting (CABG) from January 2014 to May 2014. Kidney injury was assessed according to the Acute Kidney Injury Network criteria. rScO2 and hemoglobin were measured every hour intraoperatively and for the first 24 hours postoperatively. Results The hemoglobin concentration and rScO2 were significantly lower in patients with than without AKI, and no linear trends were observed. No exact cut-off values were obtained. Conclusion This retrospective study shows that a lower rScO2 and hemoglobin concentration are correlated with AKI after CABG in patients with no peripheral vascular disease or recent myocardial infarction. We suggest that cerebral oximetry alone may predict postoperative AKI well. PMID- 29210292 TI - The role of LPD-nanoparticles containing recombinant major surface glycoprotein of Leishmania (rgp63) in protection against leishmaniasis in murine model. AB - CONTEXT: Leishmaniasis is a major public health problem. Despite numerous attempts, yet there is no effective vaccine against human leishmaniasis, mainly due to a lack of an effective vaccine delivery system as well as adjuvant. OBJECTIVE(S): The aim of this study was to evaluate the ability of recombinant glycoprotein 63 (rgp63) as a model of Leishmania antigen, entrapped in liposome polycation-DNA (LPD) complexes nanoparticles in inducing cell mediated immune (CMI) response and protecting against L. major in BALB/c mice. MATERIALS AND METHODS: To this end, the abundant leishmania promastigote cell surface glycoprotein, gp63, was entrapped in nano-sized LPD (CpG) particles, (LPD (CpG) rgp63), and BALB/c mice were immunized three times with either (LPD (CpG)-rgp63) or rgp63-CpG DNA or LPD (CpG) or free rgp63 and dextrose 5%. Various parameters including footpad thickness, splenic load of L. major parasites, rgp63-binding IgGs and also cytokine levels of rgp63-reactive T lymphocytes were then compared among different vaccinated animals. RESULTS: The lowest number of parasites in spleen, the higher levels of IgG2a after challenge infection, the minimal footpad swelling and high level of IFN-gamma secretion, all indicated that adjuvants and antigen-delivery systems are essential in modifying immune responses; as mice received LPD (CpG)-rgp63 induced immune response stronger than the other groups. CONCLUSIONS: This study demonstrates that LPD nanoparticle is a promising and adaptable delivery system which could be modified towards specific vaccine targets to induce a more potent immune response in combination with rgp63. PMID- 29210293 TI - Phosphatidylcholine attenuated docetaxel-induced peripheral neurotoxicity in rats. AB - Docetaxel is a taxane chemotherapeutic agent used in the treatment of breast cancer, prostate cancer and gastric cancer, but several side effects such as peripheral neurotoxicity could occur. The present study was designed to investigate the therapeutic potential of phosphatidylcholine (PC) on docetaxel induced peripheral neurotoxicity. Rats were randomly divided into three groups and treated for 4 weeks. Behavioral tests were conducted to measure the effects of PC on docetaxel-induced decreases in mechanical & thermal nociceptive threshold. Biochemical tests were conducted to measure the level of oxidative stress on sciatic nerve. Histopathological and immunohistochemical experiments were also conducted to assess neuronal damage and glial activation. PC treatment significantly attenuated docetaxel-induced changes in mechanical & thermal nociceptive response latencies. PC decreased oxidative stress in sciatic nerve by increasing antioxidant levels (glutathione, glutathione peroxidase and superoxide dismutase activity). In immunohistochemical evaluation, PC treatment ameliorated docetaxel-induced neuronal damage and microglial activation in the sciatic nerve and spinal cord. Thus, PC showed protective effects against docetaxel-induced peripheral neurotoxicity. These effects may be attributed to its antioxidant properties and modulation of microglia. PMID- 29210295 TI - Chemical constituents of Oldenlandia pinifolia and their antiproliferative activities. AB - This study describes the chemical constituents of Oldenlandia pinifolia (Wall. Ex G. Don) Kuntze (synonym Hedyotis pinifolia Wall. Ex G. Don) and discusses their anti-proliferative activities. Thirteen compounds were isolated from the n hexane, ethyl acetate and n-butanol extracts of whole plants O. pinifolia by chromatography method. Their structures were elucidated using MS and NMR analysis and compared with reported data. They are three anthraquinones, a carotenoid, two triterpenes, four iridoid glycosides and three flavonoid glycosides. Among them, 2-methyl-1,4,6-trihydroxy-anthraquinone is a new one, and three compounds were found for the first time in this genus. MTT assay resulted that the n-butanol extract and four isolated compounds inhibited the proliferation of chronic myelogenous leukaemia cells. The results from Hoechst 33343 staining and caspase 3-inducing exhibited that those four tested compounds induced apoptosis and activated caspase 3 (p < 0.05). One of them, isorhamnetin-3-O-beta-rutinoside showed the most activity with IC50 value of 394.68 +/- 25.12 MUM. PMID- 29210294 TI - Current and future therapeutic approaches for osteosarcoma. AB - INTRODUCTION: Current treatment of osteosarcoma includes surgical resection of all gross disease in conjunction with systemic chemotherapy to control micro metastatic disease. This yields a 5-year event free survival (EFS) of approximately 70% for patients with localized osteosarcoma while patients with metastatic or recurrent disease fare poorly with overall survival rates of less than 20%. Areas covered: This review outlines the current and future approach towards the treatment of osteosarcoma. A literature search was performed utilizing PubMed. Several recent clinical trials are reviewed in detail, as is innovative research evaluating novel agents and surgical techniques which hold promise. Expert commentary: The outcome for patients with osteosarcoma has not changed in several decades. This plateau in survival rates highlights the need for a novel approach towards research. There remains a great deal of interest in utilizing the very high risk population of recurrent osteosarcoma patients to rapidly and sequentially evaluate novel agents to determine if any of these agents hold promise. Several phase II studies are ongoing or in development that offer hope based on intriguing preclinical data. Furthermore, initiatives in obtaining specimens to further explore the genetic and immunological profile behind osteosarcoma will be essential towards identifying novel pathways and targets to exploit. PMID- 29210296 TI - C-glycosides from the stems of Calophyllum membranaceum. AB - Three new C-glycosides, calophymembransides D-F (1-3), were isolated from the stems of Calophyllum membranaceum Gardn. et Champ.. The structures were assigned on the basis of spectroscopic data. RXRalpha transcriptional inhibition and alpha glucosidase inhibition assays indicated that all the isolates were inactive. PMID- 29210297 TI - Modern morphological methods for tadpole studies. A comparison of micro-CT, and clearing and staining protocols modified for frog larvae. AB - Micro-computed tomography (micro-CT) scanning and three-dimensional reconstruction have revolutionized morphological studies. Whereas species descriptions and comparative studies formerly were based on external appearance and dissection, we now can visualize muscles, skeleton and viscera in intact animals. In most cases, visualization of internal structures depends on appropriate staining methods. Staining with iodine, phosphotungstic acid (PTA) and osmium tetroxide are established methods, but some problems remain. Agents like osmium tetroxide are toxic and the contrast of cartilage generally is unsatisfactory with osmium tetroxide, iodine or PTA. Furthermore, staining results vary for different animals and different developmental stages. We investigated critical point drying as an inexpensive, nontoxic and rapid alternative to staining for frog tadpoles. Critical point drying enables visualization of cartilage and its differentiation from muscle tissue. Shrinkage generally is acceptable. We also present a protocol for clearing and staining frog tadpoles. PMID- 29210298 TI - Synthesis and preliminary structure-activity relationship study of 2-aryl-2H pyrazolo[4,3-c]quinolin-3-ones as potential checkpoint kinase 1 (Chk1) inhibitors. AB - The serine-threonine checkpoint kinase 1 (Chk1) plays a critical role in the cell cycle arrest in response to DNA damage. In the last decade, Chk1 inhibitors have emerged as a novel therapeutic strategy to potentiate the anti-tumour efficacy of cytotoxic chemotherapeutic agents. In the search for new Chk1 inhibitors, a congeneric series of 2-aryl-2 H-pyrazolo[4,3-c]quinolin-3-one (PQ) was evaluated by in-vitro and in-silico approaches for the first time. A total of 30 PQ structures were synthesised in good to excellent yields using conventional or microwave heating, highlighting that 14 of them are new chemical entities. Noteworthy, in this preliminary study two compounds 4e2 and 4h2 have shown a modest but significant reduction in the basal activity of the Chk1 kinase. Starting from these preliminary results, we have designed the second generation of analogous in this class and further studies are in progress in our laboratories. PMID- 29210300 TI - FAK inhibitors in Cancer, a patent review. AB - INTRODUCTION: Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase that localizes at sites of cell adhesion to the extracellular matrix (ECM) and mediates signalling events downstream of integrin engagement of the ECM. FAK is known to regulate cell survival, proliferation and migration. Areas covered: FAK expression has also been shown to be up-regulated in many cancer types. Previous study also indicates that FAK-mediated signaling and functions are intrinsically involved in the progression of tumor aggressiveness, suggesting that FAK is a promising target for anticancer therapies. Small molecule FAK inhibitors have been developed and are being tested in clinical phase trials. Expert Opinion: These inhibitors have demonstrated to be effective by inducing tumor cell apoptosis in addition to reducing metastasis and angiogenesis. In this review, we give updates on the design, synthesis and structure-activity relationship analysis of small molecule FAK inhibitors discovered from 2015 until now. We also review the FAK inhibitors that are in clinical development and highlight the future prospects. PMID- 29210299 TI - New cyclopentaquinoline hybrids with multifunctional capacities for the treatment of Alzheimer's disease. AB - Alzheimer's disease (AD) is the most common progressive form of brain neurodegeneration and the most prevailing cause of dementia. Unfortunately, the aetiology of AD is not completely studied but different factors are associated with the development of AD such as among others low level of acetylcholine, aggregation of beta-amyloid (Abeta), hyperphosphorylated tau protein, oxidative stress, and inflammation. The study encompass organic syntheses of 2,3-dihydro-1H cyclopenta[b]quinoline with 5,6-dichloronicotinic acid and suitable linkers derivatives as multifunctional agents for AD treatment. Afterwards self-induced amyloid beta aggregation, inhibition studies of acetylcholinesterase and butyrylcholinesterase and molecular docking studies were performed. The results showed that 3b compound exhibited the best acetylcholinesterase inhibitory activity, with IC50 value of 0.052 uM which is lower compared to references. Besides, all synthesised compounds showed good butyrylcholinesterase inhibitory activity with IC50 values from 0.071 to 0.797 uM. Compound 3b exhibited strong Abeta1-42 aggregation inhibitory effect with 25.7% at 5 uM to 92.8% at 100 uM as well as good anti-inflammatory effect. Thus, new compounds could create new perspectives for further development as a multi-target-directed agent for AD treatment. PMID- 29210301 TI - Assessment of Cysteine Reactivity of Human Hemoglobin at Its Residue Level: A Mass Spectrometry-Based Approach. AB - In general, the reactivity of cysteine residues of proteins is measured by 5,5' dithiobis(2-nitrobenzoic acid) (DTNB) kinetics using spectrophotometry. Proteins with several cysteine residues may exhibit varying DTNB kinetics but residue level information can only be obtained with the prior knowledge of their three dimensional structure. However, this method is limited in its application to the proteins containing chromophores having overlapping absorption profile with 2 nitro-5-thiobenzoic acid, such as hemoglobin (Hb). Additionally, this method is incapable of assigning cysteine reactivity at the residue levels of proteins with unknown crystal structures. However, a mass spectrometry (MS)-based platform might provide a solution to these problems. In the present study, alkylation kinetics of cysteine residues of adult human Hb (Hb A; alpha2beta2) and sickle cell Hb (Hb S; HBB: c.20A>T) were investigated using matrix-assisted laser desorption/ionization (MALDI) MS. Differential site-specific reactivities of cysteine residues of Hb were investigated using alkylation kinetics with iodoacetamide (IAM). The observed reactivities corroborated well with the differential surface accessibilities of cysteine residues in the crystal structures of human Hb. The proposed method might be used to investigate cysteine reactivities of all the genetic and post-translational variants of Hb discovered to date. In addition, this method can be extended to explore cysteine reactivities of proteins, irrespective of the presence of chromophores and availability of crystal structures. PMID- 29210302 TI - Two new sesquiterpene lactones from leaves of yacon, Smallanthus sonchifolius. AB - The chemical constituents of 95% EtOH extract of yacon leaves were separated to yield two new sesquiterpene lactones, together with three known compounds. The two new compounds were characterized to be 8beta-angeloyloxy-13-methoxyl-11, 13 dihydromelampolid-14-oic acid methyl ester (1) and 8beta-(3-methylbut-2-enoyl) oxy-13-methoxyl-11, 13-dihydromelampolid-14-oic acid methyl ester (2) on the basis of NMR spectra, HR-MS and other spectroscopic methods. The cytotoxicity of compounds 1-5 were evaluated on human hepatoma cell Bel-7402 and all the compounds showed moderate cytotoxicity. PMID- 29210303 TI - Treatment-focused Ebola trials, supportive care and future of filovirus care. AB - INTRODUCTION: During the 2014-2016 Ebolavirus (EBOV) outbreak, several candidate therapeutics were used in EBOV-infected patients in clinical trials and under expanded access for emergency use. This review will focus briefly on medications used during the outbreak. We will discuss current therapeutic candidates and their status and will then turn to a related and essential topic: supportive care and the standard of care for filovirus infected patients. Potential benefits and pitfalls of combination therapies for filoviruses will be discussed. Areas covered: Clinical trials of therapeutics targeting EBOV; clinical usage of therapeutics during recent EBOV outbreak; potential need for combination therapy; role of supportive care in treatment of Ebola virus disease (EVD). Expert commentary: In the absence of another large scale EBOV outbreak, the path to therapeutic product licensure in the United States of America (USA) would need to be via the FDA Animal Rule. However, human data may be needed to supplement animal data. The future of filovirus therapeutics may therefore benefit by establishing the ability to implement clinical trials in an outbreak setting in a timely fashion. Supportive care guidelines for filovirus infection should be defined and established as standard of care for treatment of EVD. PMID- 29210304 TI - Current management of refractory ascites in patients with cirrhosis. AB - Liver cirrhosis is a health problem worldwide, and ascites is its principal symptom. Refractory ascites is intractable and occurs in 5%-10% of all patients with ascites due to cirrhosis. Refractory ascites leads to a poor quality of life and high mortality rate. Ascites develops as a result of portal hypertension, which leads to water-sodium retention and renal failure. Various therapeutic measures can be used for refractory ascites, including large-volume paracentesis, transjugular intrahepatic portosystemic shunt, vasoconstrictive drugs, and an automated low-flow ascites pump system. However, ascites generally can be resolved only by liver transplantation. Because not all patients can undergo liver transplantation, traditional approaches are still used to treat refractory ascites. The choice of treatment modality for refractory ascites depends, among other factors, on the condition of the patient. PMID- 29210306 TI - Synergistic antinociceptive activity of combined aqueous extracts of Artemisia campestris and Artemisia herba-alba in several acute pain models. AB - In this study, total phenolic and flavonoid contents, acute toxicity and the antinociceptive activity of Artemisia campestris and Artemisia herba-alba, individually and in combination, were investigated using multiple forms of pain in animals. Our results have been shown that plants are relatively safe without clinical signs of toxicity in animals. Thus, extracts were presented high levels in phenolic and flavonoid contents. Artemisia decoctions with 100, 200, 400 mg/kg b-w studied dose, clearly attenuate chemical and thermal noxious stimuli in writhing, formalin and hot-plate tests, and significantly reduced paw oedema in formalin test. Additionally, binary combination forms exhibited a great improvement in intensity and amplitude of antinociceptive activity in comparison with both plants used individually by a relative interference with opioid system. Our findings suggested the central and peripheral analgesic properties and confirmed the folkloric medicinal use of these plants in pain symptom treatment. PMID- 29210305 TI - Detection of early nocturnal hypoventilation in neuromuscular disorders. AB - Objective Nocturnal hypoventilation (NH) is a complication of respiratory involvement in neuromuscular disorders (NMD) that can evolve into symptomatic daytime hypercapnia if not treated proactively with non-invasive ventilation. This study aimed to assess whether NH can be detected in the absence of other signs of nocturnal altered gas exchange. Methods We performed nocturnal transcutaneous coupled (tc) pCO2/SpO2 monitoring in 46 consecutive cases of paediatric-onset NMD with a restrictive respiratory defect (forced vital capacity < 60%). Nocturnal hypoventilation was defined as tcPCO2 > 50 mmHg for > 25% of recorded time, and hypoxemia as tcSpO2 < 88% for > 5 minutes. Daytime symptoms and bicarbonate were recorded after overnight monitoring. Results Twenty-nine of 46 consecutive patients showed NH. Twenty-three patients did not have nocturnal hypoxemia and 18 were clinically asymptomatic. In 20 patients, PaCO2 in daytime blood samples was normal. Finally, 13/29 patients with NH had isolated nocturnal hypercapnia without nocturnal hypoxia, clinical NH symptoms, or daytime hypercapnia. Conclusions Paediatric patients with NMD can develop NH in the absence of clinical symptoms or significant nocturnal desaturation. Therefore, monitoring of NH should be included among nocturnal respiratory assessments of these patients as an additional tool to determine when to commence non-invasive ventilation. PMID- 29210308 TI - Using multi-criteria decision analysis to appraise orphan drugs: a systematic review. AB - INTRODUCTION: Multi-criteria decision analysis (MCDA) could potentially solve current methodological difficulties in the appraisal of orphan drugs. Areas covered: We provide an overview of the existing evidence regarding the use of MCDA in the appraisal of orphan drugs worldwide. Three databases (Pubmed, Embase, Web of Science) were searched for English, French and German literature published between January 2000 and April 2017. Full-text articles were supplemented with conference abstracts. A total of seven articles and six abstracts were identified. Expert commentary: The literature suggests that MCDA is increasingly being used in the context of appraising orphan drugs. It has shown itself to be a flexible approach with the potential to assist in decision-making regarding reimbursement for orphan drugs. However, further research regarding its application must be conducted. PMID- 29210307 TI - Amniotic fluid oxidant-antioxidant status in foetal congenital nervous system anomalies. AB - Objective This study aimed to evaluate the oxidant-antioxidant status of amniotic fluid in pregnant women with foetal congenital malformations of the central nervous system. Methods We studied pregnant women with foetal congenital nervous system anomalies at 16-22 weeks' gestation (n = 36). The control group (n = 30) consisted of pregnant women at the same gestational age who underwent amniocentesis, resulting in a normal karyotype. We analysed glutathione, catalase, and malondialdehyde levels in amniotic fluid. Enzyme activation was measured by spectrophotometry. Results The demographic features of the groups were similar in terms of age, parity, body mass index, and gestational weeks. We detected lower glutathione and catalase levels in the foetal congenital anomaly group than in the control group. We detected higher malondialdehyde levels in the foetal congenital anomaly group than in the control group. Conclusion In the organism, the rate of formation of free radicals and their rate of removal are balanced, and this is called oxidative balance. As long as oxidative stability is achieved, the organism is not affected by free radicals. This fact should be kept in mind to avoid any type of teratogenic agent that could lead to congenital disorders. PMID- 29210309 TI - Identification and characterization of a locus putatively involved in colanic acid biosynthesis in Vibrio alginolyticus ZJ-51. AB - Colanic acid (CA) is a group I extracellular polysaccharide (EPS) that contributes to resistance against adverse environments in many members of the Enterobacteriaceae. In the present study, a genetic locus EPSC putatively involved in CA biosynthesis was identified in Vibrio alginolyticus ZJ-51, which undergoes colony morphology variation between translucent/smooth (ZJ-T) and opaque/rugose (ZJ-O). EPSC in ZJ-T carries 21 ORFs and resembles the CA cluster of Escherichia coli K-12. The deletion of EPSC led to decreased EPS and biofilm formation in both genetic backgrounds but no alternation of lipopolysaccharide. The loss of this locus also changed the colony morphology of ZJ-O on the 2216E plate and reduced the motility of ZJ-T. Compared with ZJ-T, ZJ-O lacks a 10-kb fragment (epsT) in EPSC containing homologs of wecA, wzx and wzy that are essential for O-antigen synthesis. However, the deletion or overexpression of epsT resulted in no change of colony morphology, biofilm formation or EPS production. This study reported at the first time a genetic locus EPSC that may be involved in colanic acid synthesis in V. alginolyticus ZJ-51, and found that it was related to EPS biosynthesis, biofilm formation, colony morphology and motility, which may shed light on the environmental adaptation of the vibrios. PMID- 29210310 TI - Outcome of pinning in patients with slipped capital femoral epiphysis: risk factors associated with avascular necrosis, chondrolysis, and femoral impingement. AB - Objective This study aimed to assess the principal risk factors that could lead to the most common long-term complications of slipped capital femoral epiphysis, such as avascular necrosis, chondrolysis, and hip impingement. Methods We conducted a single-centre, retrospective study and evaluated patients (70 patients, 81 hips) who were treated for slipped capital femoral epiphysis from 2010 to 2015 and who underwent pinning. We measured the severity of displacement radiologically using the Southwick angle. Postoperative radiographs were evaluated for the most frequent long-term complications of avascular necrosis (AVN), chondrolysis, and femoral acetabular impingement (FAI). Results We found seven cases of AVN, 14 cases of chondrolysis, and 31 hips had an alpha angle of 60 degrees . Sex, ambulation, and symptoms did not affect development of these complications. Patients with a normal weight were almost two times more likely to develop FAI. Patients with moderate and severe slips had a similar percentage of AVN. In severe slips, 85.7% of patients had an alpha angle higher than 60 degrees . Conclusions This study shows that severe slips have a higher risk of developing AVN and hip impingement. Every patient who suffers from SCFE (even the mildest forms) should be regularly checked for FAI. PMID- 29210311 TI - The role of gut microbiota in the modulation of drug action: a focus on some clinically significant issues. AB - INTRODUCTION: A healthy gut microbiota is necessary for the normal operation of several body functions, including gastrointestinal sensitivity and motility, lipid and glucid metabolism, immune surveillance, and host behavior. In addition, intestinal bacteria contribute to determining the pharmacological properties of several drugs by producing different drug metabolizing enzymes. Areas covered: Four enzymatic processes are discussed: prodrug activation; drug inactivation; drug deconjugation; and hydrolysis of natural glycosides with further metabolism of released aglycones. For each of these processes, a literature search has been undertaken on certain paradigmatic examples that have significant clinical implications: aminosalicylates and anthranoid laxatives; digoxin; irinotecan and non-steroidal anti-inflammatory drugs (NSAIDs); rutin, diosmin, and baicalin. Expert commentary: The modulation of certain reactions catalyzed by gut bacterial enzymes may offer new opportunities to improve the clinical efficacy of drugs such as aminosalicylates, and natural glycosides by increasing their metabolic transformation, and of digoxin by reducing its inactivation, or to decrease the lower intestinal toxicity of irinotecan, and NSAIDs by inhibiting the hydrolytic cleavage of their conjugates. Randomized clinical trials are awaited to clarify whether new intervention strategies may modulate these processes and provide clinical benefits such as improved therapeutic outcomes and drug safety profiles. PMID- 29210312 TI - Development and optimization of a novel drug free nanolipid vesicular system for treatment of osteoarthritis. AB - OBJECTIVE: The goal of this study is to improve the transdermal delivery of phosphatidylcholine (PC) via constructing a novel nanolipid vesicular system (NLVS) with high level of permeability through the stratum corneum (SC). SIGNIFICANCE: In our study, a novel drug free NLVS was developed. The system depends on PC boundary cartilage lubrication to relieve osteoarthritic pain without developing gastrointestinal problems associated with anti-inflammatory drug. MATERIALS AND METHODS: A full two-level (23) factorial design is applied to optimize the quality of the prepared NLVS. The selected independent variables are the concentration of PC, the concentration of edge activator (EA), and EA type. The developed NLVS was evaluated for in-vitro, ex-vivo as well as in-vivo efficacy in rat animal model. RESULTS: Based on the factorial design, the selected formulation variables significantly affect the tested responses. The prepared NLV formulations have a particle size (PS)in the range of 10.34 to 496.3 nm, polydispersity index (PdI) values less than one, and negative zeta potential (ZP) range of -1.42 to -32.01 mV. In-vitro and ex-vivo study results reveal that the designed NLVS is effective in sustaining PC release and enhancing its transdermal permeation over 24 h. The optimal permeation flux through ex-vivo study is 0.415 mg/cm2/h following zero-order kinetics. Moreover, in-vivo study of the optimized formulations demonstrated remarkable reduction in inflammatory mediators associated with osteoarthritis (OA). CONCLUSION: The results indicate that the optimized drug free NLVS significantly augment transdermal delivery of PC and have a potential role in treatment of OA without the risk of systemic side effects. PMID- 29210313 TI - RETRACTED: Pain predicts poorer health-related quality of life in childhood-onset systemic lupus erythematosus: a cohort study. PMID- 29210314 TI - Evaluation of sulfamethazine removal kinetics using fixed structured bed bioreactor. AB - The use of anaerobic biomass attached to a support has been recently presented as a good prospect in the treatment of wastewater containing recalcitrant compounds, such as sulfamethazine (SMZ). SMZ has been found in swine wastewater and sewage treatment plants, which motivates assessing their degradation by new wastewater treatment technologies. Thus, this paper describes the use of a continuous fixed structured bed bioreactor for the purpose of evaluating SMZ removal kinetics present in lab-made wastewater. The analysis of SMZ used online solid-phase extraction coupled to liquid chromatography/tandem mass spectrometry (SPE online LC-MS/MS). Chemical oxygen demand (COD) was also monitored to evaluate the organic matter removal. The bioreactor was operated under mesophilic conditions (30[Formula: see text]C), with a hydraulic retention time of 24 h. In order to evaluate SMZ removal, four different concentration levels were studied: 200, 400, 600, and 800 ng L-1. COD removal efficiency obtained for filtered effluent kept at 91.01% and there was no interference due to the increase of SMZ concentration. For SMZ, the removal efficiencies were of [Formula: see text] for 200 ng L-1 concentration level; [Formula: see text] for 400 ng L-1; [Formula: see text] for 600 ng L-1, and [Formula: see text] for 800 ng L-1. COD removal kinetics presented a first-order apparent removal rate constant ([Formula: see text]) of [Formula: see text] h-1. SMZ also showed a first-order apparent removal rate constant of [Formula: see text] h-1 for the following concentrations levels: 200, 400, 600, and 800 ng L-1. PMID- 29210315 TI - Expression of lamina proteins Lamin and Kugelkern suppresses stem cell proliferation. AB - The nuclear lamina is involved in numerous cellular functions, such as gene expression, nuclear organization, nuclear stability, and cell proliferation. The mechanism underlying the involvement of lamina is often not clear, especially in physiological or developmental contexts. Here we investigate the role and activity of farnesylated lamina proteins Lamin (Lam) and Kugelkern (Kuk) in proliferation control of intestinal stem cells (ISCs) in adult Drosophila flies. We found that ISCs mutant for Lam or kuk proliferate, whereas overexpression of Lam or Kuk strongly suppressed proliferation. The anti-proliferative activity is, at least in part, due to suppression of Jak/Stat but not Delta/Notch signaling. Lam expression suppresses Jak/Stat signaling by normalization of about 50% of the Stat target genes in ISCs. PMID- 29210316 TI - Long-living RNA in the CNS of terrestrial snail. AB - Click-iT method can be used to trace the neurons where the newly synthesized RNA transcripts occur. Our experiments performed with the CNS of terrestrial mollusk Helix demonstrate that 5-ethynyluridine (EU) is selectively incorporated in RNA but not in DNA. The time of EU accumulation necessary for its detection was about several hours. EU was injected into the body cavity of adult mollusks, and was detectable in neurons for several days. In juveniles, EU was introduced via bathing of snails in the EU-containing saline, and was reliably detected within time period of several weeks. Our data suggest that short-living forms of RNA cannot be detected by Click-iT method, while the long-living forms of RNA can be spatially detected in individual neurons. PMID- 29210317 TI - Enhanced ocular bioavailability of fluconazole from niosomal gels and microemulsions: formulation, optimization, and in vitro-in vivo evaluation. AB - Fungal keratitis may cause vision loss if it is not treated. Methods other than ocular delivery exhibited several limitations. No previous studies investigated and compared ocular bioavailability of fluconazole (FLZ) from niosomal gels and microemulsions. Niosomal gels of FLZ (0.3% w/w) based on Span(r) 60 and cholesterol (CH) using 1% w/w carbopol(r) 934 (CP) were evaluated. FLZ microemulsions (0.3% w/v) containing isopropyl myristate (IPM, as oil phase) and a 3:1 mixture of Tween(r) 80 (as surfactant) and polyethylene glycol 400 (PEG 400, as cosurfactant) were characterized. Optimized formulations were compared for their ocular bioavailability in rabbit's. Nanoscopic niosomes (63.67-117.13 nm) and microemulsions (57.05-59.93 nm) showed respective negative zeta potential ranges of -45.37 to -61.40 and -20.50 to -31.90 mV and sustained release up to 12 h. Entrapment efficiency (EE%) of niosomes ranged from 56.48% to 70.67%. Niosomal gels were more sustainable than niosomes and microemulsions. The most stable niosomal gel based on Span(r) 60 and CH at a molar ratio of 5:5 and microemulsion containing 45% w/w IPM and 40% w/w of 3:1 Tween(r) 80-PEG 400 mixture significantly (p < 0.0001) enhanced FLZ ocular bioavailability compared with its solution. Niosomal gel showed higher bioavailability than microemulsion by ~2 fold. PMID- 29210318 TI - Inhalation device options for the management of chronic obstructive pulmonary disease. AB - Chronic obstructive pulmonary disease (COPD) is characterized by chronic respiratory symptoms and airflow limitation, resulting from abnormalities in the airway and/or damage to the alveoli. Primary care physicians manage the healthcare of a large proportion of patients with COPD. In addition to determining the most appropriate medication regimen, which usually includes inhaled bronchodilators with or without inhaled corticosteroids, physicians are charged with optimizing inhalation device selection to facilitate effective drug delivery and patient adherence. The large variety of inhalation devices currently available present numerous challenges for physicians that include: (1) gaining knowledge of and proficiency with operating different device classes; (2) identifying the most appropriate inhalation device for the patient; and (3) providing the necessary education and training for patients on device use. This review provides an overview of the inhalation device types currently available in the United States for delivery of COPD medications, including information on their successful operation and respective advantages and disadvantages, factors to consider in matching a device to an individual patient, the need for device training for patients and physicians, and guidance for improving treatment adherence. Finally, the review will discuss established and novel tools and technology that may aid physicians in improving education and promoting better adherence to therapy. PMID- 29210319 TI - Carcinogenicity of ethylene oxide: key findings and scientific issues. AB - In support of the Integrated Risk Information System (IRIS), the U.S. Environmental Protection Agency (EPA) completed an evaluation of the inhalation carcinogenicity of ethylene oxide (EtO) in December 2016. This article reviews key findings and scientific issues regarding the carcinogenicity of EtO in EPA's Carcinogenicity Assessment. EPA's assessment critically reviewed and characterized epidemiologic, laboratory animal, and mechanistic studies pertaining to the human carcinogenicity of EtO, and addressed some key scientific issues such as the analysis of mechanistic data as part of the cancer hazard evaluation and to inform the quantitative risk assessment. The weight of evidence from the epidemiologic, laboratory animal, and mechanistic studies supports a conclusion that EtO is carcinogenic in humans, with the strongest human evidence linking EtO exposure to lymphoid and breast cancers. Analyses of the mechanistic data establish a key role for genotoxicity and mutagenicity in EtO-induced carcinogenicity and reveal little evidence supporting other mode-of-action hypotheses. In conclusion, EtO was found to be carcinogenic to humans by inhalation, posing a potential human health hazard for lymphoid and breast cancers. PMID- 29210320 TI - Genetic variation in statin intolerance and a possible protective role for UGT1A1. AB - The etiology of statin intolerance is hypothesized to be due to genetic variants that impact statin disposition and clearance. We sought to determine whether genetic variants were associated to statin intolerance. The studied cohort consisted of hyperlipidemic participants (n = 90) clinically diagnosed with statin intolerance by a cardiologist and matched controls without statin intolerance. Creatine kinase activity, lipid profiles and genetic analyses were performed on genes involved in statin metabolism and included UGT1A1 and UGT1A3 sequencing and targeted analyses of CYP3A4*22, CYP3A5*3, SLCO1B1*5 and *1b, ABCB1 c.3435C>T, ABCG2 c.421C>A and GATM rs9806699. Although lipids were higher in cases, genetic variant minor allele frequencies were similar between cases and controls, except for UGT1A1*28, which was less prevalent in cases than controls. PMID- 29210321 TI - Lessons for reviewing clinical trials using induced pluripotent stem cells: examining the case of a first-in-human trial for age-related macular degeneration. PMID- 29210322 TI - Plasma-induced synthesis of chitosan-g-polyacrylamide and its flocculation performance for algae removal. AB - Chitosan (CS)-g-polyacrylamide (PAM) is a highly efficient and environmentally friendly flocculant, which was synthesized through plasma-induced graft copolymerization of CS and acrylamide (AM). The effects of monomer concentration, AM:CS ratio, discharge power, discharge time, post-polymerization temperature, and post-polymerization time on the intrinsic viscosity, grafting ratio, and grafting efficiency of CS-g-PAM were investigated. The optimum conditions of graft copolymerization were as follows: 20% monomer concentration, 7:3 AM:CS ratio, 40 W discharge power, 90 s discharge time, 50 degrees C post polymerization temperature, and 24 h post-polymerization time. The structural characteristics of CS-g-PAM were characterized by Fourier-transform infrared spectroscopy, scanning electron microscopy, and X-ray diffraction. CS-g-PAM exhibited better flocculation efficiency than the commercially available PAM in both diatomite-simulated wastewater and low-turbidity algal water. The optimal turbidity removal efficiency for the diatomite-simulated wastewater was 99.9%, which was obtained with 6 mg L-1 of CS-g-PAM at pH 11.0 and 250 s-1 of velocity gradient. In low-turbidity algal water, the optimal removal efficiencies for chlorophyll-a, turbidity, and COD were 93.6%, 94.5%, and 98.2%, respectively. PMID- 29210323 TI - Effect of genetic variation in UGT1A and ABCB1 on moxifloxacin pharmacokinetics in South African patients with tuberculosis. AB - AIM: We assessed the effect of genetic variability in UGT1A and ABCB1 genes on moxifloxacin pharmacokinetics. METHODS: Genotypes for selected UGT1A and ABCB1 SNPs were determined using a TaqMan(r) Genotyping OpenArrayTM and high-resolution melt analysis for rs8175347. A nonlinear mixed-effects model was used to describe moxifloxacin pharmacokinetics. RESULTS: Genotypes of UGT1A SNPs, rs8175347 and rs3755319 (20.6% lower and 11.6% increased clearance, respectively) and ABCB1 SNP rs2032582 (40% reduced bioavailability in one individual) were significantly associated with changes in moxifloxacin pharmacokinetic parameters. CONCLUSION: Genetic variation in UGT1A as represented by rs8175347 to a lesser extent rs3755319 and the ABCB1 rs2032582 SNP is modestly associated with the interindividual variability reported in moxifloxacin pharmacokinetics and exposure. Clinical relevance of the effects of genetic variation on moxifloxacin pharmacokinetic requires further investigation. PMID- 29210324 TI - Patterns of locomotor regulation during the pole vault approach phase. AB - A successful approach phase is key to achieving high performances in the pole vault. The aim of this study was to explore the nature of locomotor control patterns during the pole vault approach phase. Fourteen well-trained athletes performed ten jumps which were recorded using 2D video sampling at 200 Hz and analysed. Key kinematics were reconstructed from camera data using a modified 2D DLT. Patterns of regulation were determined from the standard deviation of footfall locations during the approach phase. These patterns were found to be highly individual but structural differences between those who did and those who did not regulate were identified. Regulation of locomotion was associated with an ability to produce functionally adaptable movement patterns and the consistent achievement of desired performance outcomes. Coaches should include training exercises that require intentional use of regulation to aid athletes in achieving the flexibility to adapt to changing constraints during the approach phase. Athletes should be considered on an individual basis in order to effectively, efficiently and safely improve performance. PMID- 29210326 TI - Comparative evaluation of heart rate-based monitors: Apple Watch vs Fitbit Charge HR. AB - The purpose of this investigation was to examine the validity of energy expenditure (EE), steps, and heart rate measured with the Apple Watch 1 and Fitbit Charge HR. Thirty-nine healthy adults wore the two monitors while completing a semi-structured activity protocol consisting of 20 minutes of sedentary activity, 25 minutes of aerobic exercise, and 25 minutes of light intensity physical activity. Criterion measures were obtained from an Oxycon Mobile for EE, a pedometer for steps, and a Polar heart rate strap worn on the chest for heart rate. For estimating whole-trial EE, the mean absolute percent error (MAPE) from Fitbit Charge HR (32.9%) was more than twice that of Apple Watch 1 (15.2%). This trend was consistent for the individual conditions. Both monitors accurately assessed steps during aerobic activity (MAPEApple: 6.2%; MAPEFitbit: 9.4%) but overestimated steps in light physical activity. For heart rate, Fitbit Charge HR produced its smallest MAPE in sedentary behaviors (7.2%), followed by aerobic exercise (8.4%), and light activity (10.1%). The Apple Watch 1 had stronger validity than the Fitbit Charge HR for assessing overall EE and steps during aerobic exercise. The Fitbit Charge HR provided heart rate estimates that were statistically equivalent to Polar monitor. PMID- 29210327 TI - 5-HTTLPR polymorphism is associated with nostalgia proneness: The role of neuroticism. AB - Nostalgia, a sentimental longing for the past, is a self-relevant and social emotion. Nostalgia proneness is associated with alleviation of distress or instability (e.g., neuroticism). Although nostalgia proneness is heritable, the specific molecular contributors to this heritability are unknown. We focused on a polymorphism in the promoter of the serotonin transporter gene (5-HTTLPR) as a possible biological basis of nostalgia proneness, because the serotonin system has been associated with sensitivity to negative experience. Participants (N = 397 adults) who had reported levels of nostalgia proneness were genotyped. A subsample also completed a measure of neuroticism. Participants with the 5-HTTLPR short allele were higher on nostalgia proneness than those without this allele. Neuroticism mediated the relation between 5-HTTLPR and nostalgia proneness. These findings enrich our understanding of the genetic and personality underpinnings of nostalgia. PMID- 29210325 TI - Foods, Dietary Patterns and Occupational Class and Leukocyte Telomere Length in the Male Population. AB - Telomeres contain TTAGGG repetitive sequences and are located at the end of human chromosomes. Telomere dysfunction is associated with some age-related and chronic diseases, but its relationship with foods, dietary patterns, and occupational class in the young male population is not yet known. In this cross-sectional study, 300 healthy men, residents of Tehran, aged 25-40 years were enrolled from January to December 2016. We employed a cross-sectional study of 300 healthy people, residents of Tehran, aged 25-40 years. A food frequency questionnaire was used to obtain food intakes of all participants and converted into actual food intake (g/day). The principal components analysis was used to determine dietary patterns and other demographic characteristics. Leukocyte telomere length (TL) was measured by quantitative real-time polymerase chain reaction (PCR) to measure number of telomere repeat copy number (T) to the relative number of 36B4 copies (S) (T/S ratio). T/S in office-workers, waste recyclers, and other workers were 1.22 +/- 0.4, 1.08 +/- 0.3, and 1.094 +/- 0.34, respectively. The results of multivariate linear regression adjusted for age, body mass index (BMI), and smoking were showed that whole grains (beta = 0.02; p = .05), refined grains, fruits and vegetables, fish and dairy products were associated with an increase in log-T/S, but consumption of nuts and seeds (beta = -0.00072; p = .06), meats (beta = -0.00043; p = .9), produced meats (beta = -0.00238; p = .03), oils and solid fats (beta = -0.00146; p = .03) had a negative relationship with log-T/S in all studied occupational classes. A positive relationship was reported between the healthy (beta = 0.017; p = .2) and traditional dietary pattern (beta = 0.012; p = .4) with log-T/S, but western pattern identified negative relationship (beta = -0.004; p = .7). Adherence to a healthy (with consumption whole grains, refined grains, dairy, and cereals) and then traditional pattern with increased consumption of fruits, vegetables and whole grains, fish and dairy products are necessary to prevent TL destruction in all studied occupational classes. PMID- 29210328 TI - DNA variants in DHFR gene and response to treatment in children with childhood B ALL: revisited in AIEOP-BFM protocol. AB - AIM: We have previously reported an association of dihydrofolate reductase promoter polymorphisms with reduced event-free survival in childhood acute lymphoblastic leukemia (ALL) patients treated with Dana Farber Cancer Institute protocol. Here, we assessed whether these associations are applicable to other protocol, based on different methotrexate doses. METHODS: Genotypes for six tag polymorphisms and resulting haplotypes were analyzed for an association with ALL outcome. RESULTS: The association was found with the polymorphisms A-680C, A-317G and C-35T in high-risk group patients. Carriers of haplotype *1 had a remarkably higher risk of events compared with noncarriers and a lower probability of event free survival (21.4 vs 81.3%). CONCLUSION: The role of DHFR variants in predicting the outcome of childhood ALL extends beyond single-treatment protocol and can be useful biomarker in personalizing treatment. PMID- 29210329 TI - A concise evidence-based physical examination for diagnosis of acromioclavicular joint pathology: a systematic review. AB - OBJECTIVES: The clinical examination of the shoulder joint is an undervalued diagnostic tool for evaluating acromioclavicular (AC) joint pathology. Applying evidence-based clinical tests enables providers to make an accurate diagnosis and minimize costly imaging procedures and potential delays in care. The purpose of this study was to create a decision tree analysis enabling simple and accurate diagnosis of AC joint pathology. METHODS: A systematic review of the Medline, Ovid and Cochrane Review databases was performed to identify level one and two diagnostic studies evaluating clinical tests for AC joint pathology. Individual test characteristics were combined in series and in parallel to improve sensitivities and specificities. A secondary analysis utilized subjective pre test probabilities to create a clinical decision tree algorithm with post-test probabilities. RESULTS: The optimal special test combination to screen and confirm AC joint pathology combined Paxinos sign and O'Brien's Test, with a specificity of 95.8% when performed in series; whereas, Paxinos sign and Hawkins Kennedy Test demonstrated a sensitivity of 93.7% when performed in parallel. Paxinos sign and O'Brien's Test demonstrated the greatest positive likelihood ratio (2.71); whereas, Paxinos sign and Hawkins-Kennedy Test reported the lowest negative likelihood ratio (0.35). CONCLUSION: No combination of special tests performed in series or in parallel creates more than a small impact on post-test probabilities to screen or confirm AC joint pathology. Paxinos sign and O'Brien's Test is the only special test combination that has a small and sometimes important impact when used both in series and in parallel. Physical examination testing is not beneficial for diagnosis of AC joint pathology when pretest probability is unequivocal. In these instances, it is of benefit to proceed with procedural tests to evaluate AC joint pathology. Ultrasound-guided corticosteroid injections are diagnostic and therapeutic. An ultrasound-guided AC joint corticosteroid injection may be an appropriate new standard for treatment and surgical decision-making. LEVEL OF EVIDENCE: II - Systematic Review. PMID- 29210330 TI - Subcutaneous local anesthetic infusion could eliminate use of epidural analgesia after the Nuss procedure. AB - AIM: To compare outcomes of continuous subcutaneous infusion of local anesthetic and epidural analgesia following the Nuss procedure. PATIENTS & METHODS: A retrospective chart review compared patients managed with subcutaneous local anesthetic infusion (n = 12) versus thoracic epidural (n = 19) following the Nuss procedure from March 2013 to June 2015. RESULTS: There was no difference in hospital length of stay or days on intravenous narcotics. Epidural catheter placement prolonged operating room time (146.58 +/- 28.30 vs 121.42 +/- 21.98 min, p = 0.01). Average pain scores were slightly higher in the subcutaneous infusion group (3.72 +/- 1.62 vs 2.35 +/- 0.95, p = 0.02), but of negligible clinical significance. CONCLUSION: Continuous subcutaneous infusion of local anesthetic could eliminate the need for thoracic epidural for pain management after the Nuss procedure. PMID- 29210331 TI - Phytocapping: an alternate cover option for municipal solid waste landfills. AB - Landfill gases are produced due to biodegradation of organic fraction of municipal solid waste (MSW) when water comes into contact with buried wastes under prevailing anaerobic conditions. To minimize the percolation of water in landfills, the conventional approaches such as clay capping is still practised in India. As landfill gas extraction system is an expensive technique,'Phytocapping' to mitigate landfill gases and to minimize percolation of water into the landfill can be one of the attractive alternatives. The present study aimed to determine efficiency of a laboratory-scale phytocap in terms of methane emissions, heavy metals' remediation and plant-soil interactions in Indian climatic conditions using six native plants in five planters (30 cm * 30 cm * 25 cm) with 5 kg of MSW. Overall methane oxidation due to vegetation was observed throughout the vegetated planters when compared to non-vegetated planters. Root zone methane concentrations were also monitored for the plant species, with the highest reduction occurring in root zones of Agave sisalana and Bambusa sulfurea and highest trace elements' remediation potential was observed in Brassica juncea and Helianthus annus plants. 96-98% of CH4 oxidation and 85-89% of heavy metals remediation was achieved through the study. PMID- 29210332 TI - Dopamine gene variants in opioid addiction: comparison of dependent patients, nondependent users and healthy controls. AB - AIM: To determine whether specific dopaminergic system gene variants are associated with opioid dependence. PATIENTS & METHODS: Subjects included 153 healthy controls, 163 opioid exposed, but not dependent and 281 opioid dependent. Genotypes of 90 variants in 13 genes were examined. RESULTS: The most significant results were obtained for DA beta-hydroxylase variants, rs2073837 and rs1611131, which were associated with protection from addiction (q = 0.0172, 0.0415, respectively) and the functional TH variant, rs2070762, was associated with more risk (q = 0.0387). The three variants also showed a combined effect that remained significant after correction for multiple testing (pfinal = 0.0039). CONCLUSION: These data offer support that dopaminergic gene variants have a role in opioid dependence and warrant further study. PMID- 29210333 TI - Training reproductive health professionals in a post-conflict environment: exploring medical, nursing, and midwifery education in Mogadishu, Somalia. AB - Following two decades of civil war, Somalia recently entered the post-conflict rebuilding phase that has resulted in the rapid proliferation of higher education institutions. Given the high maternal mortality ratio, the federal government has identified the reproductive health education of health service professionals as a priority. Yet little is known about the coverage of contraception, abortion, pregnancy, childbirth, and sexual and gender-based violence (SGBV) in medicine, nursing, or midwifery. In 2016, we conducted a multi-methods study to understand the reproductive health education and training landscape and identify avenues by which development of the next generation of health service professionals could be improved. Our study comprised two components: interviews with 20 key informants and 7 focus group discussions (FGDs) with 48 physicians, nurses, midwives, and medical students. Using the transcripts, memos, and field notes, we employed a multi-phased approach to analyse our data for content and themes. Our findings show that reproductive health education for medical and nursing students is inconsistent and significant content gaps, particularly in abortion and SGBV, exist. Students have few clinical training opportunities and the overarching challenges plaguing higher education in Somalia also impact health professions programmes in Mogadishu. There is currently a window of opportunity to develop creative strategies to improve the breadth and depth of evidence-based education and training, and multi-stakeholder engagement and the promotion of South-South exchanges appear warranted. PMID- 29210334 TI - False beliefs predict increased circumcision satisfaction in a sample of US American men. AB - Critics of non-therapeutic male and female childhood genital cutting claim that such cutting is harmful. It is therefore puzzling that 'circumcised' women and men do not typically regard themselves as having been harmed by the cutting, notwithstanding the loss of sensitive, prima facie valuable tissue. For female genital cutting (FGC), a commonly proposed solution to this puzzle is that women who had part(s) of their vulvae removed before sexual debut 'do not know what they are missing' and may 'justify' their genitally-altered state by adopting false beliefs about the benefits of FGC, while simultaneously stigmatising unmodified genitalia as unattractive or unclean. Might a similar phenomenon apply to neonatally circumcised men? In this survey of 999 US American men, greater endorsement of false beliefs concerning circumcision and penile anatomy predicted greater satisfaction with being circumcised, while among genitally intact men, the opposite trend occurred: greater endorsement of false beliefs predicted less satisfaction with being genitally intact. These findings provide tentative support for the hypothesis that the lack-of-harm reported by many circumcised men, like the lack-of-harm reported by their female counterparts in societies that practice FGC, may be related to holding inaccurate beliefs concerning unaltered genitalia and the consequences of childhood genital modification. PMID- 29210336 TI - Simplification to dual-therapy containing lamivudine and darunavir/ritonavir or atazanavir/ritonavir in HIV-infected patients on virologically suppressive antiretroviral therapy. AB - BACKGROUND: The ritonavir-boosted protease inhibitor (PI/r)-based dual regimens are warranted in order to optimize the combination antiretroviral therapy (cART), prevent the long-term toxicity and reduce the cost of treatments. METHODS: We performed an observational, retrospective study of HIV-infected patients on suppressive antiretroviral therapy who switched to a dual regimen containing lamivudine (3TC) plus darunavir/ritonavir (DRV/r) 800/100 mg qd or atazanavir/ritonavir (ATV/r) 300/100 mg qd. RESULTS: As a whole, 122 well-treated patients (mean age, 45.2 years; mean CD4 T + lymphocyte count, 589 cells/mm3; mean duration of current cART, 3.1 years) were enrolled. Current antiretroviral regimen included tenofovir/emtricitabine in 91 subjects, abacavir/lamivudine in 25, lopinavir/r in 41, DRV/r in 38 and ATV/r in 33. Baseline mean estimated glomerular filtration rate (eGFR) was 94.2 mL/min/1.73 m2, and proteinuria was detected in 46 subjects (38%). Overall 70 subjects switched to 3TC + DRV/r (group A) and 52 to 3TC + ATV/r (group B). After 12 months, 65 patients (92.8%) in group A and 46 (88.4%) in group B showed HIV RNA <20 copies/mL. A significant and comparable increase in eGFR was observed in group A and B (+3.8 and +3.1 mL/min/1.73 m2, respectively), such as a significant decrease in prevalence of proteinuria. A significantly greater increase in total bilirubin concentration was reported in group B than in group A. CONCLUSION: In our study, simplification to a dual therapy containing 3TC + DRV/r or ATV/r in virologically suppressed patients was effective and showed a good tolerability profile. PMID- 29210338 TI - What would the patient have wanted? PMID- 29210337 TI - Death following ceftazidime-induced Kounis syndrome. AB - Kounis syndrome, also known as allergic myocardial infarction or allergic angina syndrome, coincides with chest pain and allergic reactions. It involves the activation of interrelated inflammatory cells following allergic, anaphylactic or anaphylactoid insults. We report a case of Kounis syndrome complicated by an injection of ceftazidime. A 52-year-old man developed shortness of breath and hypotension, leading to immediate unconsciousness, after a ceftazidime injection. Despite intensive care management, he showed no improvement and died approximately 19 h after ceftazidime administration. Autopsy showed massive laryngeal oedema, mucous plugging and collapsed lungs. An ImmunoCAP tryptase assay showed the tryptase level in an autopsy sample to be 118 ug/L (normal < 11.4 ug/L). Microscopy of the myocardium showed cellular infiltration preceding myocardial necrosis. These findings support the pathophysiological theory of Kounis syndrome, with cellular infiltration proposed as the cause of myocardial injury rather than an effect related to the healing process. PMID- 29210335 TI - Predictive role of NUDT15 variants on thiopurine-induced myelotoxicity in Asian inflammatory bowel disease patients. AB - BACKGROUND: Genetic variants of TPMT and NUDT15 have been reported to predict the inter-patient variability in response and toxicity profiles of patients receiving thiopurine therapy. However, the clinical utility of TPMT genotyping in guiding thiopurine doses has been questionable, in part due to underlying differences in the prevalence of TPMT variants in both Caucasian and Asian populations. Several NUDT15 variants have been associated with thiopurine-induced leukopenia, particularly in Asian cohorts. So far, none have been reported in a multiethnic Asian population. AIM: To investigate the associations between TPMT and NUDT15 variants with thiopurine-induced myelotoxicity in 129 Asian inflammatory bowel disease patients. MATERIALS & METHODS: Pyrosequencing was performed to screen for TPMT and NUDT15 variants. Intracellular steady-state metabolite concentrations were quantified using liquid chromatography-tandem mass spectrometry. RESULTS: Significant declines in nadir white blood cell, absolute neutrophil count and platelet counts were observed with increasing copy numbers of the risk T allele at NUDT15 c.415C>T locus (overall p < 0.05) within 4, 8 and 12 weeks and 6 months after thiopurine initiation. Patients with low and intermediate NUDT15 activity, as inferred from haplotype pairs, had significantly higher risks of leukopenia (p = 0.000253) and neutropenia (p = 0.002) compared with patients with normal NUDT15 activity. CONCLUSION: These findings highlight the critical relevance of NUDT15 pharmacogenetics in predicting for thiopurine-induced myelotoxicity and confirm the lack of significance of TPMT variants in Asian inflammatory bowel disease patients. PMID- 29210339 TI - Gender identity, dysphoria and change. PMID- 29210340 TI - Homicidal methanol poisoning in filicide-suicide. AB - Most methanol poisonings are accidental. We present a rare case of filicide suicide, where a youth was killed by methanol poisoning and his parents then committed suicide by jumping in front of a running train. The father's suicide note explains the crime. PMID- 29210341 TI - "Without this program, women can lose their lives": migrant women's experiences with the Safe Abortion Referral Programme in Chiang Mai, Thailand. AB - For displaced and migrant women in northern Thailand, access to health care is often limited, unwanted pregnancy is common, and unsafe abortion is a major contributor to maternal death and disability. Based on a pilot project and situational analysis research, in 2015 a multinational team introduced the Safe Abortion Referral Programme (SARP) in Chiang Mai, Thailand, to reduce the socio linguistic, economic, documentation, and transportation barriers women from Burma face in accessing safe and legal abortion care in Thailand. Our qualitative study documented the experiences of women with unwanted pregnancies who accessed the SARP in order to inform programme improvement and expansion. We conducted 22 in depth, in-person interviews and analysed them for content and themes using deductive and inductive techniques. Women were overwhelmingly positive about their experiences using the SARP. They reported lack of costs, friendly programme staff, accompaniment to and interpretation at the providing facility, and safety of services as key features. Financial and legal circumstances shaped access to the programme and women learned about the SARP through word-of-mouth and community workshops. After accessing the SARP and receiving support, women became community advocates for reproductive health. Efforts to expand the programme and raise awareness in migrant communities appear warranted. Our findings suggest that referral programmes for safe and legal abortion can be successful in settings with large displaced and migrant populations. Identifying ways to work within legal constraints to expand access to safe services has the potential to reduce harm from unsafe abortion even in humanitarian settings. PMID- 29210342 TI - Antibiotics potentiating potential of catharanthine against superbug Pseudomonas aeruginosa. AB - Multidrug resistance (MDR) put an alarming situation like preantibiotic era which compels us to invigorate the basic science of anti-infective chemotherapy. Hence, the drug resistant genes/proteins were explored as promising drug targets. Keeping this thing in mind, proteome of Pseudomonas aeruginosa PA01 was explored, which resulted in the identification of tripartite protein complexes (MexA, MexB, and OprM) as promising drug target for the screening of natural and synthetic inhibitors. The purpose of present investigation was to explore the drug resistance reversal potential mechanism of catharanthine isolated from the leaves of Catharanthus roseous. Hence, the test compound catharanthine was in silico screened using docking studies against the above receptors, which showed significant binding affinity with these receptors. In order to validate the in silico findings, in vitro evaluation of the test compound was also carried out. In combination, catharanthine reduced the minimum inhibitory concentration MIC of tetracycline (TET) and streptomycin up to 16 and 8 folds, respectively. Further, in time kill assay, catharanthine in combination with TET reduced the cell viability in concentration dependent manner and was also able to reduce the mutation prevention concentration of TET. It was also deduced that drug resistance reversal potential of catharanthine was due to inhibition of the efflux pumps. PMID- 29210343 TI - Laxative Use in the Setting of Positive Testing for Clostridium difficile Infection. PMID- 29210344 TI - Battling Entropy in Infection Control Systems. PMID- 29210345 TI - Twitter Me This-Can Social Media Revolutionize Academic Medicine? PMID- 29210346 TI - Serious Neurological Adverse Events after Ivermectin-Do They Occur beyond the Indication of Onchocerciasis? AB - Serious neurological adverse events have been reported from large scale community based ivermectin treatment campaigns against Onchocerciasis volvulus in Africa. The mechanism of these events has been debated in the literature, largely focusing on the role of concomitant infection with Loa loa versus the presence of mdr-1 gene variants in humans allowing ivermectin penetration into the central nervous system. A case series of serious neurological adverse events occurring with the use of ivermectin outside of the onchocerciasis indication has been identified in VigiBase, an international database of suspected adverse drug reactions. Forty-eight cases have been reported from multiple countries in which ivermectin has been prescribed for multiple indications; clinical review excluded 20 cases with more probable explanations or other exclusion criteria. Within the remaining 28 cases, there is supportive evidence for a causative role of ivermectin including presence of the drug in brain tissue in one case and recurrence of symptoms on repeated exposure in three cases. This series suggests that serious neurological adverse events observed with the use of ivermectin in the treatment of onchocerciasis may not be entirely explained by concomitant high burden loiasis infections. By comparison with the extensive post marketing experience with ivermectin in the successful treatment of parasitic infections, the number of reported cases suggests that such events are likely rare. However, elucidation of individual-level risk factors could contribute to therapeutic decisions that can minimize harms. Further investigation into the potential for drug-drug interactions and explorations of polymorphisms in the mdr-1 gene are recommended. PMID- 29210347 TI - Visceral Leishmaniasis and HIV Co-Infection in Northwest Ethiopia: Antiretroviral Treatment and Burden of Disease among Patients Enrolled in HIV Care. AB - The approach to treatment of visceral leishmaniasis (VL)-HIV co-infection in East Africa has not been systematically examined. Although antiretroviral treatment (ART) should be initiated for all co-infected persons, the extent of ART prescription is not known. We conducted a retrospective cohort study including all VL-HIV co-infected adults at selected referral and district hospitals in northwest Ethiopia from 2010 to 2015. Purposes of the study were to compare the proportion of VL diagnoses made in previously diagnosed HIV-patients versus diagnosis concurrent with HIV diagnosis and to quantify utilization of ART. We included 112 patients and 58 patients at the referral and district hospital, respectively (median age: 30 years, 98% males). Of all VL cases, 56% (63/112) and 19% (11/58) occurred in known HIV patients at the referral and district hospital, respectively, with a median CD4 count at VL diagnosis of 45 cells/uL and 248 cells/uL at the referral and district hospital, respectively. Seventy-six percent (56/44) were on ART at VL diagnosis and nine (12%) started ART after VL diagnosis. The remaining 96 (56%) patients had both infections diagnosed concurrently, with a median CD4 count of 56 and 143 cells/uL at the referral and district hospital, respectively. Among cured patients, ART initiation was 67% and 36% at the referral and district hospital, respectively. A substantial proportion of VL-HIV cases occur while in HIV care, requiring further evaluation of preventive strategies. Among newly diagnosed VL-HIV co-infected patients, ART initiation was low. The reasons, including poor documentation and information exchange, should be assessed. PMID- 29210348 TI - Mediating Effect of Repeated Tuberculosis Exposure on the Risk of Transmission to Household Contacts of Multidrug-Resistant Tuberculosis Patients. AB - Primary Mycobacterium tuberculosis transmission is an important driver of the global epidemic of resistance to tuberculosis drugs. A few studies have compared tuberculosis infection in contacts of index cases with different drug-resistant profiles, suggesting that contacts of multidrug-resistant (MDR) tuberculosis cases are at higher risk. Repeated tuberculosis exposure in contacts of MDR tuberculosis patients through recurrent tuberculosis may modify this relationship. We compared tuberculosis infection in household contacts of MDR and drug-susceptible (DS) tuberculosis patients from six cities in southeastern China and investigated whether repeated tuberculosis exposure was a mediating factor. Tuberculosis infection was defined as a tuberculin skin test induration >= 10 mm. In all, 111 (28.0%) of 397 household contacts of MDR tuberculosis patients and 165 (24.7%) of 667 contacts of DS tuberculosis index cases were infected with tuberculosis. In a multivariate model not including the previous tuberculosis exposure, contacts of MDR tuberculosis patients had a higher likelihood of tuberculosis infection (adjusted odds ratio [AOR] = 1.37; 95% confidence interval [CI] = 1.01-1.84; P = 0.041). In a separate multivariate model adjusted for the previous tuberculosis exposure, the odds ratio of tuberculosis infection flipped and contacts of MDR cases were now at lower risk for tuberculosis infection (AOR = 0.55; 95% CI = 0.38-0.81; P = 0.003). These findings suggest prior tuberculosis exposure in contacts strongly mediates the relationship between tuberculosis infection and the index drug resistance profile. Prior studies showing lower risk of developing tuberculosis among contacts of MDR tuberculosis patients may be partially explained by a lower rate of tuberculosis infection at baseline. PMID- 29210349 TI - High Prevalence of Shigella or Enteroinvasive Escherichia coli Carriage among Residents of an Internally Displaced Persons Camp in South Sudan. AB - Displaced persons living in camps are at an increased risk of diarrheal diseases. Subclinical carriage of pathogens may contribute to the spread of disease, especially for microbes that require a low infectious dose. Multiplex real-time polymerase chain reaction was performed to detect a panel of 20 bacterial, viral, and protozoal targets, and we report a high prevalence of enteropathogen carriage, including Shigella spp. or enteroinvasive Escherichia coli in 14%, among a sample of 88 asymptomatic individuals in an internally displaced persons camp in South Sudan. Further studies are needed to determine the contribution of such carriage to the spread of disease. PMID- 29210350 TI - Rotavirus Vaccine will Improve Child Survival by More than Just Preventing Diarrhea: Evidence from Bangladesh. AB - Despite the high burden of rotavirus diarrhea, uptake of rotavirus vaccines in Asia remains low. This primarily stems from a perception of rotavirus as a non life-threatening pathogen amidst a background of competing health priorities and limited resources. In the largest pediatric hospital of Bangladesh, where there is a fierce competition for beds, we found that between November 2015 and October 2016, 12% of 23,064 admissions were due to gastrointestinal infections, 54% of which were caused by rotavirus. One in four cases requiring hospitalization, or 5,879 cases, was refused because of unavailability of beds. Most refused cases were of pneumonia (22%), severe perinatal asphyxia (17%), preterm birth complications (7%), and meningitis (2%), all of which bear high risks of death or disability, if not treated timely. When determining vaccine policies and conducting vaccine impact studies, it would be shortsighted to not consider the impact on morbidity and mortality of cases that are refused admission because of the hospitalization of children with a preventable disease as rotavirus diarrhea. In our hospital, routine use of a rotavirus vaccine with 41% efficacy will release 629 beds per year to accommodate previously refused cases. Based on evidence, we make the case that introduction of this vaccine in Bangladesh and the surrounding region will prevent morbidity and mortality, both directly and indirectly, and help us ensure survival and well-being of all children. PMID- 29210351 TI - Seasonal Dynamics of Malaria in Pregnancy in West Africa: Evidence for Carriage of Infections Acquired Before Pregnancy Until First Contact with Antenatal Care. AB - In malaria-endemic areas, Plasmodium falciparum prevalence is often high in young women because of 1) low use of insecticide-treated nets before their first pregnancy and 2) acquired immunity, meaning infections are asymptomatic and thus untreated. Consequently, a common source of malaria in pregnancy (MiP) may be infected women becoming pregnant, rather than pregnant women becoming infected. In this study, prevalence of infection was determined by microscopy at first antenatal care (ANC) visit in primigravidae and secundigravidae in Ghana, Burkina Faso, Mali, and The Gambia, four countries with strong seasonal variations in transmission. Duration of pregnancy spent in the rainy season and other risk factors for infection were evaluated using multivariable Poisson regression. We found that the overall prevalence of malaria at first ANC was generally high and increased with time spent pregnant during the rainy season: prevalence among those with the longest exposure was 59.7% in Ghana, 56.7% in Burkina Faso, 42.2% in Mali, and 16.8% in Gambia. However, the prevalence was substantial even among women whose entire pregnancy before first ANC had occurred in the dry season: 41.3%, 34.4%, 11.5%, and 7.8%, respectively, in the four countries. In multivariable analysis, risk of infection was also higher among primigravidae, younger women, and those of lower socioeconomic status, independent of seasonality. High prevalence among women without exposure to high transmission during their pregnancy suggests that part of the MiP burden results from long duration infections, including those acquired preconception. Prevention of malaria before pregnancy is needed to reduce the MiP burden. PMID- 29210353 TI - Genetic Clustering of Tuberculosis in an Indigenous Community of Brazil. AB - We conducted a population-based study of tuberculosis (TB) from 2009 to 2015 in an indigenous community of Brazil, the largest in the country, to investigate risk factors associated with recent TB transmission. The clinical isolates of Mycobacterium tuberculosis were genotyped by IS6110-RFLP (restriction fragment length polymorphism) and spoligotyping analysis. Among 67 isolates typed by RFLP, 69% fell into fifteen clusters, and 91% of TB cases with shared IS6110-RFLP pattern were diagnosed within 2 years of another case in the cluster. Individual risk factors associated with genetic clustering were domestic overcrowding (odds ratio [OR]: 6.10; 95% confidence interval [CI]: 1.50-24.88) and low social class (OR: 3.72; 95% CI: 1.00-13.98). Most reported contacts (76%) were identified within the household of the index TB case, but most of the genetic clustering of M. tuberculosis occurred outside of household (79%). Expanded contacts investigation and prophylaxis outside of household should be considered as a priority for TB control programs in this population. PMID- 29210352 TI - Congenital Transmission of Trypanosoma cruzi in Argentina, Honduras, and Mexico: An Observational Prospective Study. AB - Compared with South America, there is a lack of epidemiologic studies about the risk of congenital transmission of Trypanosoma cruzi in Central America and Mexico. It has been suggested that T. cruzi genotypes might differ by region and that congenital transmission might vary according to the parasite's genotype. Our objective was to compare T. cruzi congenital transmission rates in three countries. We performed an observational prospective study in 2011-2014 enrolling women at delivery in one hospital in Argentina, two hospitals in Honduras, and two hospitals in Mexico. Congenital T. cruzi infection was defined as the presence of one or more of the following criteria: presence of parasites in cord blood (direct parasitological microscopic examination) with positive polymerase chain reaction (PCR) in cord blood, presence of parasites in infant's blood at 4 8 weeks (direct parasitological microscopic examination), and persistence of T. cruzi-specific antibodies at 10 months, as measured by at least two tests. Among 28,145 enrolled women, 347 had at least one antibody rapid test positive in cord blood and a positive enzyme-linked immunosorbent assay in maternal blood. PCR in maternal blood was positive in 73.2% of the cases, and genotyping identified a majority of non-TcI in the three countries. We found no (0.0%; 95% confidence interval [CI]: 0.0, 2.0) confirmed congenital case in Honduras. Congenital transmission was 6.6% (95% CI: 3.1, 12.2) in Argentina and 6.3% (95% CI: 0.8, 20.8) in Mexico. Trypanosoma cruzi non-TcI predominated and risks of congenital transmission were similar in Argentina and Mexico. PMID- 29210354 TI - Neurocysticercosis among People Living Near Pigs Heavily Infected with Cysticercosis in Rural Endemic Peru. AB - Neurocysticercosis causes substantial neurologic morbidity in endemic regions around the world. In this cross-sectional study, we describe the frequency of neurocysticercosis among a presumed high-risk group of people in an endemic community in northern Peru. Participants who screened positive on a nine-question seizure survey were evaluated clinically to diagnose epilepsy using International League Against Epilepsy criteria. Those with epilepsy were offered a noncontrast computerized tomography (CT) of the head. We also tested sera from all participants using the lentil lectin-bound glycoprotein enzyme-linked immunoelectrotransfer blot (EITB) to detect anti-cysticercus antibodies and enzyme-linked immunosorbent assay (ELISA) B60/B158 to detect cysticercosis antigens. Participants with strongly positive ELISA (ratio >= 3) were offered a noncontrast magnetic resonance imaging (MRI) of the brain. We diagnosed 16 cases of epilepsy among 527 people screened (lifetime prevalence 30 per 1,000). Twelve with epilepsy accepted CT scan and five (41.7%) had parenchymal calcifications. None had viable cysts. Of the 514 who provided a blood sample, 241 (46.9%) were seropositive by EITB and 12 (2.9%) were strongly positive by ELISA (ratio >= 3). Eleven accepted MRI and eight (72.3%) had neurocysticercosis, including five with extraparenchymal cysts, five with parenchymal vesicular cysts, and two with parenchymal granulomas. These findings show that clinically relevant forms of neurocysticercosis and epilepsy can be found by applying screening interventions in communities endemic to Taenia solium. Longitudinal controlled studies are needed to better understand which subgroups are at highest risk and which are most likely to have improved prognosis as a result of screening. PMID- 29210355 TI - Neuroangiostrongyliasis: The "Subarachnoid Phase" and Its Implications for Anthelminthic Therapy. AB - Infection with the Rat Lungworm Angiostrongylus cantonensis is the leading cause of human eosinophilic meningoencephalitis worldwide. From its origins in southeastern Asia, the parasite was spread extensively throughout the twentieth century and is now established in many of the world's warmer regions. Its clinical effects range from mild and transient symptoms, usually headache with peripheral nerve dysfunction, to severe and permanent central nervous system (CNS) damage, occasionally fatal. The severity and prognosis of disease are determined by the larval dose, acquired by ingesting infected intermediate hosts (slugs and snails) or, less often, paratenic hosts, such as crabs, shrimps, frogs, and monitor lizards. Early diagnosis is critical for treatment and depends on clinical suspicion, for laboratory confirmation from blood and cerebrospinal fluid can be delayed and unreliable. Treatment is fraught with difficulty, compounded by conflicting published results. Corticosteroids play a useful role in suppressing early CNS inflammation, but their duration for maintenance becomes problematic in severe infections. Because most of the pathogenesis results from host immuno-inflammatory responses to migrating and dead larvae in the CNS, anthelminthic therapy remains controversial: if effective, it kills viable larvae, arresting them in the CNS and so exacerbating the pathology. In human infections, it is now clear that many larvae do leave the CNS and reach the pulmonary arteries, sometimes with clinical consequences. Pioneering life-cycle studies in rats demonstrated a "subarachnoid phase" in larval development and migration; recent autopsy findings, outlined here, show it also occurs in humans and has some bearing on treatment. One new and four previously reported cases of human infection are analyzed here, with findings indicating that anthelminthic treatment is effective only when given early and should not be commenced beyond 3 weeks after exposure to infection. In endemic areas, treatment should start as soon as this infection is suspected, even without a clear history of exposure, given the unacceptable risks of waiting for diagnostic laboratory confirmation. PMID- 29210356 TI - Single-molecule studies contrast ordered DNA replication with stochastic translesion synthesis. AB - High fidelity replicative DNA polymerases are unable to synthesize past DNA adducts that result from diverse chemicals, reactive oxygen species or UV light. To bypass these replication blocks, cells utilize specialized translesion DNA polymerases that are intrinsically error prone and associated with mutagenesis, drug resistance, and cancer. How untimely access of translesion polymerases to DNA is prevented is poorly understood. Here we use co-localization single molecule spectroscopy (CoSMoS) to follow the exchange of the E. coli replicative DNA polymerase Pol IIIcore with the translesion polymerases Pol II and Pol IV. We find that in contrast to the toolbelt model, the replicative and translesion polymerases do not form a stable complex on one clamp but alternate their binding. Furthermore, while the loading of clamp and Pol IIIcore is highly organized, the exchange with the translesion polymerases is stochastic and is not determined by lesion-recognition but instead a concentration-dependent competition between the polymerases. PMID- 29210357 TI - Structural basis of proton translocation and force generation in mitochondrial ATP synthase. AB - ATP synthases produce ATP by rotary catalysis, powered by the electrochemical proton gradient across the membrane. Understanding this fundamental process requires an atomic model of the proton pathway. We determined the structure of an intact mitochondrial ATP synthase dimer by electron cryo-microscopy at near atomic resolution. Charged and polar residues of the a-subunit stator define two aqueous channels, each spanning one half of the membrane. Passing through a conserved membrane-intrinsic helix hairpin, the lumenal channel protonates an acidic glutamate in the c-ring rotor. Upon ring rotation, the protonated glutamate encounters the matrix channel and deprotonates. An arginine between the two channels prevents proton leakage. The steep potential gradient over the sub nm inter-channel distance exerts a force on the deprotonated glutamate, resulting in net directional rotation. PMID- 29210358 TI - Computer-aided assessment of breast density: comparison of supervised deep learning and feature-based statistical learning. AB - Breast density is one of the most significant factors that is associated with cancer risk. In this study, our purpose was to develop a supervised deep learning approach for automated estimation of percentage density (PD) on digital mammograms (DMs). The input 'for processing' DMs was first log-transformed, enhanced by a multi-resolution preprocessing scheme, and subsampled to a pixel size of 800 um * 800 um from 100 um * 100 um. A deep convolutional neural network (DCNN) was trained to estimate a probability map of breast density (PMD) by using a domain adaptation resampling method. The PD was estimated as the ratio of the dense area to the breast area based on the PMD. The DCNN approach was compared to a feature-based statistical learning approach. Gray level, texture and morphological features were extracted and a least absolute shrinkage and selection operator was used to combine the features into a feature-based PMD. With approval of the Institutional Review Board, we retrospectively collected a training set of 478 DMs and an independent test set of 183 DMs from patient files in our institution. Two experienced mammography quality standards act radiologists interactively segmented PD as the reference standard. Ten-fold cross validation was used for model selection and evaluation with the training set. With cross-validation, DCNN obtained a Dice's coefficient (DC) of 0.79 +/- 0.13 and Pearson's correlation (r) of 0.97, whereas feature-based learning obtained DC = 0.72 +/- 0.18 and r = 0.85. For the independent test set, DCNN achieved DC = 0.76 +/- 0.09 and r = 0.94, while feature-based learning achieved DC = 0.62 +/- 0.21 and r = 0.75. Our DCNN approach was significantly better and more robust than the feature-based learning approach for automated PD estimation on DMs, demonstrating its potential use for automated density reporting as well as for model-based risk prediction. PMID- 29210359 TI - Leukemia cutis mimicking erythema nodosum or vice versa: A histological conundrum. PMID- 29210360 TI - Involvement of scars in capecitabine induced hand foot syndrome. PMID- 29210361 TI - Successful treatment outcome with itraconazole and potassium iodide in disseminated sporotrichosis. PMID- 29210362 TI - Giant congenital Becker's nevus overlying a plexiform neurofibroma: Merely a coincidence or more than it? PMID- 29210363 TI - iNOS- and NOX1-dependent ROS production maintains bacterial homeostasis in the ileum of mice. AB - The intestinal epithelial cells constitute the first line of defense against gut microbes, which includes secretion of various antimicrobial substances. Reactive oxygen species (ROS) are well characterized as part of the innate phagocytic immunity; however, a role in controlling microorganisms in the gut lumen is less clear. Here, we show a role for nitric oxide synthase (iNOS)- and NOX1-produced ROS in maintaining homeostasis of the gut microbiota. In vivo imaging revealed distinctly high levels of ROS in the ileum of normal healthy mice, regulated in accordance with the amount of gut bacteria. The ROS level was dependent on the nitric oxide and superoxide producers iNOS and NOX1, respectively, suggesting peroxynitrite as the effector molecule. In the ileum of iNOS- and NOX1-deficient mice, the bacterial load is increased and the composition is more cecum like. Our data suggest a unique role of ileum in maintaining homeostasis of gut microbes through production of ROS with potential importance for preventing reflux from the large intestine, bacterial overgrowth, and translocation. PMID- 29210364 TI - Too Depressed to Swim or Too Afraid to Stop? A Reinterpretation of the Forced Swim Test as a Measure of Anxiety-Like Behavior. PMID- 29210365 TI - Rethinking JAK2 inhibition: towards novel strategies of more specific and versatile Janus kinase inhibition. AB - This corrects the article DOI: 10.1038/leu.2017.43. PMID- 29210366 TI - Outcome of relapsed infant acute lymphoblastic leukemia treated on the interfant 99 protocol. AB - This corrects the article DOI: 10.1038/leu.2015.246. PMID- 29210367 TI - Surface enhanced Raman scattering sensor for highly sensitive and selective detection of ochratoxin A. AB - The trace detection of toxic compounds in complex matrices is a major concern, in particular when it comes to mycotoxins in food. We developed a highly sensitive and specific SERS sensor for the detection of ochratoxin A using a simple rough gold film as a substrate. When adding the analyte, we observed spectral variations related to the interaction of the analyte with the specific aptamer used as a bioreceptor. Using a partial least squares regression method, our sensor is able to detect concentrations down to the picomolar range, which is much lower than the minimum legal concentration allowed in food products. Moreover, we demonstrate the accurate detection of the analyte in a wide concentration range from the picomolar up to the micromolar level. The detection was validated with negative detection tests using deoxynivalenol and bovine serum albumin. PMID- 29210368 TI - Polaron formation mechanisms in conjugated polymers. AB - In semiconducting polymers, interactions with conformational degrees of freedom can localize charge carriers, and strongly affect charge transport. Polarons can form when charges induce deformations of the surrounding medium, including local vibrational modes or dielectric polarization. These deformations then interact attractively with the charge, tending to localize it. First we investigate vibrational polaron formation in poly(3-hexylthiophene) [P3HT], with a tight binding model for charges hopping between adjacent rings, coupled to ring distortions. We use density functional theory (DFT) calculations to determine coupling constants, including the "spring constant" for ring distortions and the coupling to the charge carrier. On single chains, we find only broad, weakly bound polarons by this mechanism. In 2d crystalline layers of P3HT, even weak transverse hopping between chains destabilizes this polaron. Then, we consider polarons stabilized by dielectric polarization, described semiclassically with a polarizable continuum interacting with the carrier wavefunction. In contrast to vibrational polarons, we find dielectrically stabilized polarons in P3HT are narrower, more strongly bound, and stable in 2d crystalline layers. PMID- 29210369 TI - Signatures of a quantum diffusion limited hydrogen atom tunneling reaction. AB - We are studying the details of hydrogen atom (H atom) quantum diffusion in highly enriched parahydrogen (pH2) quantum solids doped with chemical species in an effort to better understand H atom transport and reactivity under these conditions. In this work we present kinetic studies of the 193 nm photo-induced chemistry of methanol (CH3OH) isolated in solid pH2. Short-term irradiation of CH3OH at 1.8 K readily produces CH2O and CO which we detect using FTIR spectroscopy. The in situ photochemistry also produces CH3O and H atoms which we can infer from the post-photolysis reaction kinetics that display significant CH2OH growth. The CH2OH growth kinetics indicate at least three separate tunneling reactions contribute; (i) reactions of photoproduced CH3O with the pH2 host, (ii) H atom reactions with the CH2O photofragment, and (iii) long-range migration of H atoms and reaction with CH3OH. We assign the rapid CH2OH growth to the following CH3O + H2 -> CH3OH + H -> CH2OH + H2 two-step sequential tunneling mechanism by conducting analogous kinetic measurements using deuterated methanol (CD3OD). By performing photolysis experiments at 1.8 and 4.3 K, we show the post photolysis reaction kinetics change qualitatively over this small temperature range. We use this qualitative change in the reaction kinetics with temperature to identify reactions that are quantum diffusion limited. While these results are specific to the conditions that exist in pH2 quantum solids, they have direct implications on the analogous low temperature H atom tunneling reactions that occur on metal surfaces and on interstellar grains. PMID- 29210370 TI - Telechelic polymers from reversible-deactivation radical polymerization for biomedical applications. AB - The main strategies for the design of telechelic polymers synthesized by reversible-activation radical polymerization for biomedical applications are covered spanning from drug delivery and targeting to theranostics and sensing. PMID- 29210371 TI - Hierarchical CuCo2S4 nanoarrays for high-efficient and durable water oxidation electrocatalysis. AB - It is highly attractive to design and develop earth-abundant electrocatalysts toward high-efficiency water oxidation electrocatalysis in alkaline media. In this communication, we report the in situ hydrothermal sulfidization preparation of a hierarchical CuCo2S4 nanoarray on copper foam (CuCo2S4/CF) from its CuCo2 hydroxide nanowire array precursor. When used as a 3D catalyst electrode for water oxidation, the as-prepared CuCo2S4/CF is superior in catalytic activity, demanding overpotentials of only 259 and 295 mV to achieve 60 and 100 mA cm-2 in 1.0 M KOH, respectively. Moreover, it also shows strong electrochemical durability with high turnover frequency values of 0.069 and 0.390 mol O2 s-1 at overpotentials of 300 and 400 mV, respectively. PMID- 29210372 TI - Melanin-manganese nanoparticles with ultrahigh efficient clearance in vivo for tumor-targeting T1 magnetic resonance imaging contrast agent. AB - Endogenous biomaterials in organisms, with native biocompatibility and biodegradability, appear more advantageous in the development of nanoscale diagnostic and therapeutic systems for future clinical translation. Herein, a novel tumor-targeting Magnetic Resonance Imaging (MRI) contrast agent was developed based on Mn2+-chelating ultrasmall water-soluble melanin nanoparticles (MNP-PEG-Mn). The nanoparticles, with a size of about 5.6 nm, presented high chelation stability and showed negligible cytotoxicity as estimated by MTT assay. Moreover, the r1 longitudinal relaxivity (20.56 mM-1 s-1) of MNP-PEG-Mn was much higher than that of Gadodiamide (6.00 mM-1 s-1), which is a clinically approved MRI contrast agent. In vivo MRI experiments revealed excellent tumor-targeting specificity after tumor-bearing mice were intravenously injected with MNP-PEG-Mn. Additionally, MNP-PEG-Mn could be excreted via renal and hepatobiliary pathways with negligible toxicity to body tissues. These preliminary results indicated the clinically translatable potential of MNP-PEG-Mn as a T1 MRI contrast agent for tumor-targeted imaging. PMID- 29210373 TI - Enhanced cell adhesion on a bio-inspired hierarchically structured polyester modified with gelatin-methacrylate. AB - Herein, fabrication and modification of novel bio-inspired microwell arrays with nanoscale topographic structures are reported. The natural nano- and microstructures present on the surface of rose petals were hypothesized to enhance cell-surface contacts. Thus hierarchically structured polyethylene terephthalate glycol modified (PETG) substrates were fabricated by replication from rose petals via nanoimprint lithography, followed by covalent modification and crosslinking with RGD-presenting gelatin-methacrylate (GelMA) for promoting cell adhesion and spreading. Cell culture experiments showed that the introduction of gelatin resulted in significantly enhanced cell adhesion and more than doubled cell areas on the GelMA modified surfaces. In addition, a slight preference was observed for concave compared to convex surfaces, which is tentatively attributed to the matching curvature of the micro-cavities and the cells, facilitating the accommodation of cells. These bioinspired hierarchically structured and gelatin functionalized substrates may provide new prospects for designing cell-based interfaces for advanced biomedical studies, e.g. for cell culture and biosensing in the future. PMID- 29210374 TI - A novel red-emitting K2Ca(PO4)F:Eu2+ phosphor with a large Stokes shift. AB - We report a K2CaPO4F:Eu2+ phosphor with a new crystal structure. This phosphor has a large Stokes shift and converts near-ultraviolet light to red luminescence without absorption of other visible light. The mechanism was elucidated by applying a constrained density functional theory to the solved crystal structure. PMID- 29210375 TI - A chiral scandium-complex-catalyzed asymmetric inverse-electron-demand oxa-Diels Alder reaction of o-quinone methides with fulvenes. AB - A highly efficient asymmetric inverse-electron-demand oxa-Diels-Alder reaction of o-quinone methides with fulvenes has been realized using a chiral N,N' dioxide/Sc(iii) complex as the catalyst. The corresponding optically active chromane derivatives were obtained in high yields with excellent dr and ee values (up to 99% yield, >19 : 1 dr and 94% ee). PMID- 29210376 TI - Selective transformation of carbon dioxide into lower olefins with a bifunctional catalyst composed of ZnGa2O4 and SAPO-34. AB - A bifunctional catalyst composed of ZnGa2O4 with a spinel structure and molecular sieve SAPO-34 catalyses the direct conversion of CO2 to C2-C4 olefins with a selectivity of 86% and a CO2 conversion of 13% at 370 degrees C. The oxygen vacancies on ZnGa2O4 surfaces are responsible for CO2 activation, forming a methanol intermediate, which is then converted into C2-C4 olefins in SAPO-34. PMID- 29210377 TI - Palladium-catalyzed oxidative allylation of bis[(pinacolato)boryl]methane: synthesis of homoallylic boronic esters. AB - A palladium-catalyzed oxidative allylation of bis[(pinacolato)boryl]methane to afford the corresponding homoallylic organoboronic esters with moderate to excellent yields is reported. This novel transformation provides an efficient strategy for the construction of homoallylic organoboronic esters in one step with a broad substrate scope. It is proposed that the palladium-catalyzed oxidative allylic C-H bond activation process may be involved in the catalytic cycle. PMID- 29210378 TI - Continuous purification of active pharmaceutical ingredients utilizing polymer membrane surface wettability. AB - Continuous processing of pharmaceuticals opens opportunities for continuous separation based on wettability of polymer membranes. Dual use of hydrophobic and hydrophilic membranes realize in-line liquid-liquid extraction in the synthesis of four essential APIs. A secondary membrane with opposite wetting characteristics proves critical to phase separation of aqueous-organic reaction streams. PMID- 29210379 TI - Porous dipeptide crystals as volatile-drug vessels. AB - Porous crystalline dipeptides absorb, reversibly from the gas phase, a series of volatile fluorinated ethers in use as anesthetics. Their vapor pressure was considerably reduced, with favorable guest capture and release. Variable channel sizes were customized for selective sorption and pressure thresholds were observed in the narrowest pores. 1H, 13C and 19F MAS NMR coupled with ab initio conformational analysis and grand canonical Monte Carlo simulations highlight the guest loading and arrangement adopted in the congruent nanochannels, suggesting how the anesthetics can accommodate in biochemical receptors. PMID- 29210380 TI - Construction of magnetically separable NiAl LDH/Fe3O4-RGO nanocomposites with enhanced photocatalytic performance under visible light. AB - Magnetic NiAl layered doubled hydroxide (LDH)/Fe3O4-RGO composites were successfully synthesized via a simple hydrothermal route. The as-prepared samples were well characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM). The results showed that NiAl LDH nanoplatelets and Fe3O4 nanoparticles sized around 15 nm were uniformly anchored on the surface of graphene sheets. The NiAl LDH/Fe3O4-RGO25 photocatalyst was employed to degrade ciprofloxacin (CIP) in an aqueous solution under visible light irradiation. It exhibited enhanced photocatalytic activity compared to pure NiAl LDH, the degradation rate of the as-prepared NiAl LDH/Fe3O4-RGO25 was 1.5 and even 3 times faster than that of NiAl LDH/RGO25 and pure NiAl LDH, respectively. This enhancement of photocatalytic activity is attributed to the addition of graphene and Fe3O4 NPs, which both efficiently promote the separation of charge carriers and improve the optical absorption properties, synergistically facilitating the photocatalysis process. Furthermore, the NiAl LDH/Fe3O4-RGO25 photocatalyst was magnetically separable and exhibited stable catalytic activity, which is beneficial to its practical application. PMID- 29210381 TI - Simple and rapid detection of bacteria using a nuclease-responsive DNA probe. AB - We demonstrate simple and rapid bacterial detection using a nuclease-responsive DNA probe. The probe consisting of a fluorescent dye and a quencher at the 5' and 3' termini, respectively, was designed to be cleaved by nucleases such as endonucleases, exonucleases, and DNases, which are released from bacteria using an optimized lysis buffer. The fluorescence signal of the cleaved DNA probe correlates with the number of Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus, and the detection limit was 103 CFU for E. coli and 104 CFU for S. aureus. Moreover, this method is specific for live bacteria and takes just one minute to get the signal including sample collection. These features make the present bacterial detection method a powerful on-site bacterial contamination assay which is simple, rapid, and quantitative. PMID- 29210382 TI - Structure-dependent luminescence of tetra-(4-pyridylphenyl)ethylene: a first principles study. AB - Luminescent materials with tunable wavelengths have been attracting much attention due to their many promising applications. In the present work, the recently reported supramolecular coordination complexes of tetra-(4 pyridylphenyl)ethylene (TPPE) that produce variable-wavelength light emissions were investigated by time-dependent density functional theory (TDDFT) calculations. We discovered that variations in the luminescent wavelength of TPPE mainly depend on the structural deviations from molecular planarity, which affect the molecular orbital wavefunction distribution. An interesting trigonometric functional relationship between the emission wavelength (the emission energy) and the dihedral angle defining deviations from molecular planarity was uncovered. The solvent effect was also considered to reveal the mechanism of the solvent dependent fluorescence color. These findings may be helpful to rational molecular design for high-performance luminescent materials with tunable color. PMID- 29210383 TI - Binding energies of hydrated cobalt(ii) by collision-induced dissociation and theoretical studies: evidence for a new critical size. AB - The experimental sequential bond energies for loss of water from Co2+(H2O)x complexes, x = 5-11, are determined by threshold collision-induced dissociation (TCID) using a guided ion beam tandem mass spectrometer with a thermal electrospray ionization source. Kinetic energy dependent TCID cross sections are analyzed to yield 0 K thresholds for sequential loss of neutral water molecules. The thresholds are converted from 0 to 298 K values to give hydration enthalpies and free energies. Theoretical geometry optimizations and single point energy calculations at several levels of theory are performed for the reactant and product ion complexes. Theoretical bond energies for ground structures are used for direct comparison with experimental values to obtain structural information on these complexes. In addition, the dissociative charge separation process, Co2+(H2O)x -> CoOH+(H2O)m + H+(H2O)x-m-1, is observed at x = 4, 6, and 7 in competition with primary water loss products. Energies for the charge separation rate-limiting transition states are calculated and compared to experimental threshold measurements. Results suggest that the critical size for which charge separation is energetically favored over water loss is xcrit = 6, in contrast to lower values in previous literature reports. PMID- 29210384 TI - Structures and infrared spectra of calcium phosphate clusters by ab initio methods with implicit solvation models. AB - Since the first detection of pre-nucleation clusters during the formation of calcium phosphate minerals, determining such clusters' compositions and structures has become crucial for understanding the early-stage nucleation of these minerals in solutions. In previous experimental studies, the composition and sizes of pre-nucleation clusters have been calculated, but their structural information has been difficult to determine because they are very small (<1 nm). In this study, we examined the structures and infrared spectra of small- and medium-sized calcium phosphate clusters using ab initio calculations combined with implicit solvation models. Adding solvent effects increased the possibility of the existence of alternative configurations of calcium phosphate clusters other than their compact configurations. The calcium atoms had a tendency to be located outside of the clusters to coordinate with water molecules in the aqueous environment. The computed infrared spectra of extended small calcium phosphate clusters captured some of the features measured in the in situ infrared spectra, which supports the network structures proposed by large-scale molecular dynamics studies and X-ray adsorption near-edge spectra. The relative stabilities of medium-sized Ca9(PO4)6 clusters with respect to the stability of Posner's cluster in water were also reviewed. We found that in water, alternative structures with low symmetry or large dipole moments had lower energies than Posner's cluster. PMID- 29210385 TI - Lighting-up protein-ligand interactions with fluorescent PET (photoinduced electron transfer) sensor designs. AB - The fluorescence of sensors 1 and 6, which are designed in terms of photoinduced electron transfer (PET), is switched 'on' by factors of 15 and 6 with avidin in a rather selective manner. Sensors 3 and 7, simpler derivatives of 1, are switched 'on' by factors of 16 and 7.5 with bovine serum albumin, though at 30-fold higher concentrations. PMID- 29210386 TI - Platinum for hydrogen sensing: surface and grain boundary scattering antagonistic effects in Pt@Au core-shell nanoparticle assemblies prepared using a Langmuir Blodgett method. AB - Hydrogen resistive sensors are fabricated through the synthesis of a series of Pt@Au core-shell nanoparticles showing various Pt shell thicknesses. Resulting colloids are assembled as hexagonal close-packed 2D monolayers of various dimension characteristics using a simple Langmuir-Blodgett method. The fabricated sensors show attractive hydrogen sensing performances with reversible responses in extended sensing ranges, a good specificity towards H2, short response and recovery times... Sensing measurements and data analyses allow the demonstration of the associated sensing mechanisms. The dissociative chemisorption of H2 and O2 on the Pt surface through a Langmuir-Hinshelwood mechanism leads to the formation of chemisorbed hydrogen and hydroxyl groups. This surface nature change induces the modification of the scattering of the conduction electrons at both the grain surface and intercontacts, tuned by the extent of hydrogen and hydroxyl group coverages. In assemblies made of particles showing thin Pt shells, the predominance of the surface scattering described by the Fuchs-Sondheimer model accounts for the observed conductive responses as the number of involved grain boundaries is limited. In contrast, in assemblies made of particles with thick Pt shells, the scattering at the grain boundaries described by the Mayadas-Shatzkes model mostly contributes to the observed resistive responses. The sensor behavior is balanced by these two antagonistic effects. PMID- 29210387 TI - The effect of hydronium ions on the structure of phospholipid membranes. AB - This work seeks to identify the mechanisms by which hydronium ions (H3O+) modulate the structure of phospholipid bilayers by studying the interactions of H3O+ with phospholipids at the molecular level. For this, we carried out multiple microsecond-long unrestrained molecular dynamics (MD) simulations of a POPC bilayer at different H3O+ concentrations. The results show that H3O+ accumulates at the membrane surface where it displaces water and forms strong and long-lived hydrogen bonds with the phosphate and carbonyl oxygens in phospholipids. This results in a concentration-dependent reduction of the area per lipid and an increase in bilayer thickness. This study provides an important molecular-level insight into the mechanism of how H3O+ modulates the structure of biological membranes and is a critical step towards a better understanding of the effect of low pH on mammalian and bacterial membranes. PMID- 29210388 TI - Vibrational energy relaxation dynamics of diatomic molecules inside superfluid helium nanodroplets. The case of the I2 molecule. AB - The vibrational energy relaxation (VER) of a homonuclear diatomic molecule (X2) in a 4He superfluid nanodroplet (HeND; T = 0.37 K) was studied adapting appropriately a hybrid theoretical quantum approach recently proposed by us. In the first application the interesting case of the I2(X) molecule was examined and, as far as we know, this corresponds to the first theoretical investigation on the VER of molecules embedded in HeND. Vibrational relaxation of I2 takes place according to a cascade mechanism [sequential transitions between two consecutive vibrational levels (nu -> nu - 1; nu - 1 -> nu - 2; ...; 2 -> 1; 1 -> 0), where an arbitrary relaxation, e.g., nu - 1 -> nu - 2, can only occur once the previous relaxation has taken place, and so on]. The global relaxation from the initial excited state nu down to the ground state (nu = 0) happens on the nanosecond scale. Data on the VER of molecules in HeND are very scarce and a vibrational lifetime not far from the I2 one for nu = 1 has been estimated experimentally for Na3(24E') on HeND (a qualitatively similar 0 -> 1 vibrational energy gap occurs in both species), but metastability has not been reported in the second case. The cascade mechanism was understood once the values of the coupling matrix elements were examined, and the time evolution of the populations of two consecutive vibrational levels was adequately described using a non-linear two-state Hamiltonian model for I2 in the HeND. According to the calculations, superfluid liquid helium is very efficient in releasing the excess of energy arising from the I2 vibrational de-excitation, as it should be. However, the number of He atoms evaporated is small compared to what is expected. We hope that this first theoretical work on the molecular VER dynamics in HeND will encourage researchers to investigate this important process about which we still know very little. PMID- 29210389 TI - Correction: Probing keto-enol tautomerism using photoelectron spectroscopy. AB - Correction for 'Probing keto-enol tautomerism using photoelectron spectroscopy' by Nathalie Capron et al., Phys. Chem. Chem. Phys., 2015, 17, 19991-19996. PMID- 29210390 TI - Directing the diffusive motion of fullerene-based nanocars using nonplanar gold surfaces. AB - A new method for guiding the motion of fullerene and fullerene-based nanocars is introduced in this paper. The effects of non-flat substrates on the motion of C60, a nanocar and a nanotruck are investigated at different conditions and temperatures. Their behavior is studied using two different approaches: analyzing the variation in potential energy and conducting all-atom classical molecular dynamics simulations. This paper proposes that the use of a stepped substrate will make their motion more predictable and controllable. The results of the simulations show that C60 stays on the top side of the step and cannot jump over the step at temperatures of 400 K and lower. However, at temperatures of 500 K and higher, C60 has sufficient energy to travel to the down side of the step. C60 attaches to the edge and moves just alongside of the edge when it is on the down side of the step. The edge also restricts the motion of C60 alongside the edge and reduces its range of motion. By considering the motion of C60, the general behavior of the nanocar and nanotruck is predictable. The nanocar stays on the top side of the step at temperatures of 400 K and less; at 500 K and higher temperatures, its wheels jump off the edge, and its range of motion is restricted. The relatively rigid chassis of the nanotruck does not allow the free individual motion of the wheels. As a result, the entire nanotruck stays on the top side of the step, even at 600 K. A pathway with the desired route can be fabricated for the motion of C60 and nanocars using the method presented in this paper. This represents a step towards the directional motion of C60 and nanocars. PMID- 29210391 TI - Photoelectron spectroscopy and density functional theory studies of (FeS)mH- (m = 2-4) cluster anions: effects of the single hydrogen. AB - Single hydrogen containing iron hydrosulfide cluster anions (FeS)mH- (m = 2-4) are studied by photoelectron spectroscopy (PES) at 3.492 eV (355 nm) and 4.661 eV (266 nm) photon energies, and by Density Functional Theory (DFT) calculations. The structural properties, relative energies of different spin states and isomers, and the first calculated vertical detachment energies (VDEs) of different spin states for these (FeS)mH- (m = 2-4) cluster anions are investigated at various reasonable theory levels. Two types of structural isomers are found for these (FeS)mH- (m = 2-4) clusters: (1) the single hydrogen atom bonds to a sulfur site (SH-type); and (2) the single hydrogen atom bonds to an iron site (FeH-type). Experimental and theoretical results suggest such available different SH- and FeH-type structural isomers should be considered when evaluating the properties and behavior of these single hydrogen containing iron sulfide clusters in real chemical and biological systems. Compared to their related, respective pure iron sulfur (FeS)m- clusters, the first VDE trend of the diverse type (FeS)mH0,1- (m = 1-4) clusters can be understood through (1) the different electron distribution properties of their highest singly occupied molecular orbital employing natural bond orbital analysis (NBO/HSOMO), and (2) the partial charge distribution on the NBO/HSOMO localized sites of each cluster anion. Generally, the properties of the NBO/HSOMOs play the principal role with regard to the physical and chemical properties of all the anions. The change of cluster VDE from low to high is associated with the change in nature of their NBO/HSOMO from a dipole bound and valence electron mixed character, to a valence p orbital on S, to a valence d orbital on Fe, and to a valence p orbital on Fe or an Fe-Fe delocalized valence bonding orbital. For clusters having the same properties for NBO/HSOMOs, the partial charge distributions at the NBO/HSOMO localized sites additionally affect their VDEs: a more negative or less positive localized charge distribution is correlated with a lower first VDE. The single hydrogen in these (FeS)mH- (m = 2-4) cluster anions is suggested to affect their first VDEs through the different structure types (SH- or FeH-), the nature of the NBO/HSOMOs at the local site, and the value of partial charge number at the local site of the NBO/HSOMO. PMID- 29210392 TI - Ultrafast dye regeneration in a core-shell NiO-dye-TiO2 mesoporous film. AB - In this study, a core-shell NiO-dye-TiO2 mesoporous film was fabricated for the first time, utilizing atomic layer deposition technique and a newly designed triphenylamine dye. The structure of the film was confirmed by SEM, TEM, and EDX. Excitation of the dye led to efficient and fast charge separation, by hole injection into NiO, followed by an unprecedentedly fast dye regeneration (t1/2 <= 500 fs) by electron transfer to TiO2. The resulting charge separated state showed a pronounced transient absorption spectrum caused by the Stark effect, and no significant decay was found within 1.9 ns. This indicates that charge recombination between NiO and TiO2 is much slower than that between the NiO and the reduced dye in the absence of the TiO2 layer (t1/2 ~ 100 ps). PMID- 29210393 TI - A high-performance electrochemical supercapacitor based on a polyaniline/reduced graphene oxide electrode and a copper(ii) ion active electrolyte. AB - Active electrolyte enhanced supercapacitors (AEESCs) have received increasing attention because of their large specific capacitance and easy fabrication process. The better matching between the active electrolyte and the counter electrode and the slow self-discharge rate are the challenges of this type of supercapacitor. In this paper, a novel AEESC with polyaniline/reduced graphene oxide hydrogel (PANI/RGOHG) as the anode and Cu(ii) ions as the cathodic active electrolyte is constructed. Experimental results demonstrate that the electrode potentials of PANI and Cu(ii) can match perfectly, thus the device has a wide working voltage range. Because of the large specific capacitance of both PANI and Cu(ii), a high average specific capacitance of a single electrode of 1120 F g-1 at 2.6 A g-1 is achieved. Meanwhile, self-discharge is also suppressed because the reduction product of Cu(ii) is immobilized on the electrode. These results demonstrate that the performance of AEESCs strongly depends on the choice of a suitable electrode material, and also reveal that Cu(ii) is a promising cathodic active electrolyte for AEESCs. PMID- 29210394 TI - Electron and excitation energy transfers in covalently linked donor-acceptor dyads: mechanisms and dynamics revealed using quantum chemistry. AB - Photoinduced electron transfer (ET), hole transfer (HT), charge recombination (CR) and energy transfer (EET) are fundamental mechanisms, which occur in both natural and artificial light harvesting systems. Here, we present a computational strategy which determines ET, HT, CR and EET rates in a consistent way and merges them in a kinetic model to reproduce the net excited state dynamics. The effects of the solvent are included in all steps of the calculations making the present strategy a useful tool for a rational design of charge and energy transfer processes in complex systems. An application to covalently linked zinc and free base porphyrin-naphthalenediimide dyads is presented. For each of the two systems, ultrafast optical spectroscopy experiments have shown a specific photophysics with different processes taking place simultaneously. The model reveals that such a diversity is mainly due to the different relative stability of the charge-separated state, while the electronic couplings for charge and energy transfer processes are quite similar in the two dyads. PMID- 29210395 TI - Effect on orthometallation of NHC palladium complexes toward the catalytic activity studies in Suzuki coupling reaction. AB - Herein, we report an approach to improve catalytic activity for cross-coupling reactions. N-Heterocyclic carbene (NHC) palladium complexes bearing a nitrogen based ligand without orthometallation complexes show remarkable activities in Suzuki coupling reaction than orthometallation. Aryl chlorides examples employed in air and ambient temperature in Suzuki coupling reaction to reach completion within few minutes. PMID- 29210396 TI - Engineering chemical interactions in microbial communities. AB - Microbes living within host-associated microbial communities (microbiotas) rely on chemical communication to interact with surrounding organisms. These interactions serve many purposes, from supplying the multicellular host with nutrients to antagonizing invading pathogens, and breakdown of chemical signaling has potentially negative consequences for both the host and microbiota. Efforts to engineer microbes to take part in chemical interactions represent a promising strategy for modulating chemical signaling within these complex communities. In this review, we discuss prominent examples of chemical interactions found within host-associated microbial communities, with an emphasis on the plant-root microbiota and the intestinal microbiota of animals. We then highlight how an understanding of such interactions has guided efforts to engineer microbes to participate in chemical signaling in these habitats. We discuss engineering efforts in the context of chemical interactions that enable host colonization, promote host health, and exclude pathogens. Finally, we describe prominent challenges facing this field and propose new directions for future engineering efforts. PMID- 29210397 TI - Recent progress in 2D group-VA semiconductors: from theory to experiment. AB - Phosphorene, an emerging two-dimensional material, has received considerable attention due to its layer-controlled direct bandgap, high carrier mobility, negative Poisson's ratio and unique in-plane anisotropy. As cousins of phosphorene, 2D group-VA arsenene, antimonene and bismuthene have also garnered tremendous interest due to their intriguing structures and fascinating electronic properties. 2D group-VA family members are opening up brand-new opportunities for their multifunctional applications encompassing electronics, optoelectronics, topological spintronics, thermoelectrics, sensors, Li- or Na-batteries. In this review, we extensively explore the latest theoretical and experimental progress made in the fundamental properties, fabrications and applications of 2D group-VA materials, and offer perspectives and challenges for the future of this emerging field. PMID- 29210398 TI - DFT calculations for structural prediction and applications of intercalated lamellar compounds. AB - The intercalated layered materials are commonly built from structures complex enough to have large unit cells and, because of this, calculations of their electronic structures are very demanding in terms of memory, processing and time. Also, the versatility of these compounds enables the synthesis of a large number of derived materials difficult to characterize. Only in the last two decades, a combination of theoretical methodologies and advances in processing made density functional theory (DFT) calculations quite interesting as an investigation tool for this family of materials. Since the intercalated layered or lamellar compounds correspond to a large group of important classes of materials and their experimental data were, and are still being, generated, only a small part of the data comes from electronic structure simulations. In this review, we have listed some relevant types of intercalated lamellar materials, the useful methodologies implemented in the standard suit of codes for DFT calculations and examples of the many applications of the calculations to the understanding of physical and chemical properties, to the planning of novel materials with desirable properties, and even to assist the structural characterization, by simulating complex results from nuclear magnetic resonance, vibrational spectroscopy and powder X-ray diffraction. In addition to the properties simulated directly as observables, other quantities such as density of states, partial charges and electronic density difference, provide relevant information about the materials and their behavior under diverse physical and chemical conditions. The combination of the geometric, electronic and vibrational structures also leads to the simulations of thermodynamic potentials, entropy and phase diagrams in the solid state. This significant ensemble of research tools makes DFT calculations very compelling and useful to gain new insights into innovation developments for intercalated lamellar materials. PMID- 29210399 TI - An ion-pair receptor comprising urea groups and N-benzyl-aza-18-crown-6: effective recognition and liquid-liquid extraction of KCl salt. AB - Compound 1 was designed and prepared as a heteroditopic ion-pair receptor that contains two urea groups for anion complexation and N-benzyl-18-crown-6 for cation recognition. These ion-binding domains are assembled together by the l ornithine scaffold. Qualitative cation coordination studies of receptor 1, supported by quantitative data received for monotopic N-(3-nitrobenzyl)-aza-18 crown-6 (3a), have shown that 1 has a strong affinity for Na+, K+ and NH4+ cations. Anion binding studies revealed that in the absence of cations coordinated to 1 (TBA salts), anions are bound with a relatively moderate strength with the selectivity: BzO- > AcO- > Cl-> NO2- > Br-. However, in the presence of cations coordinated to the N-benzyl-18-crown-6 the anion binding affinity increases considerably with the notable exception of carboxylates. For example, chloride binding is increased by over five times in the presence of K+ cations and the selectivity trend for salt binding is: KCl > KOBz > KOAc > KNO2 > KBr. Liquid/liquid extraction studies revealed that receptor 1 is an effective extractant for KCl and NH4Cl salts from aqueous to organic phase. PMID- 29210400 TI - h-BN/graphene van der Waals vertical heterostructure: a fully spin-polarized photocurrent generator. AB - By constructing transport junctions using graphene-based van der Waals (vdW) heterostructures in which a zigzag-edged graphene nanoribbon (ZGNR) is sandwiched between two hexagonal boron-nitride sheets, we computationally demonstrate a new scheme for generating perfect spin-polarized quantum transport in ZGNRs by light irradiation. The mechanism lies in the lift of spin degeneracy of ZGNR induced by the stagger potential it receives from the BN sheets and the subsequent possibility of single spin excitation of electrons from the valence band to the conduction band by properly tuning the photon energy. This scheme is rather robust in that we always achieve desirable results irrespective of whether we decrease or increase the interlayer distance by applying compressive or tensile strain vertically to the sheets or shift the BN sheets in-plane relative to the graphene nanoribbons. More importantly, this scheme overcomes the long-standing difficulties in traditional ways of using solely electrical field or chemical modification for obtaining half-metallic transport in ZGNRs and thus paves a more feasible way for their application in spintronics. PMID- 29210401 TI - Hybrid magneto-plasmonic liposomes for multimodal image-guided and brain-targeted HIV treatment. AB - Image-guided drug delivery is an emerging strategy in the field of nanomedicine. The addition of image guidance to a traditional drug delivery system is expected to achieve highly efficient treatment by tracking the drug carriers in the body and monitoring their effective accumulation in the targeted tissues. In this study, we developed multifunctional magneto-plasmonic liposomes (MPLs), a hybrid system combining liposomes and magneto-plasmonic nanoparticles for a triple modality image-guided drug delivery. Tenofovir disoproxil fumarate, an antiretroviral drug used to treat human immunodeficiency virus type 1 (HIV-1), was encapsulated into the MPLs to enable the treatment in the brain microenvironment, which is inaccessible to most of the drugs. We found strong negative and positive contrasts originating from the magnetic core of MPLs in magnetic resonance imaging (MRI) and magnetic particle imaging (MPI), respectively. The gold shell of MPLs showed bright positive contrast in X-ray computed tomography (CT). MPLs achieved enhanced transmigration across an in vitro blood-brain barrier (BBB) model by magnetic targeting. Moreover, MPLs provided desired therapeutic effects against HIV infected microglia cells. PMID- 29210402 TI - Unusual response to environmental polarity in a nonlinear-optical benzylidene type chromophore containing a 1,3-bis(dicyanomethylidene)indane acceptor fragment. AB - One of the strongest known electron-accepting fragments used in the synthesis of organic dyes for applications in nonlinear optics (NLO) is 1,3 bis(dicyanomethylidene)indane (BDMI). By studying a benzylidene-type push-pull chromophore bearing a 5-carboxy-BDMI electron-acceptor and 4 (dimethylamino)aniline donor fragment, we demonstrate that this class of compounds can show unusual response to the polarity of the surrounding medium. The combined results of UV-Vis absorption spectrometry, NMR experiments and computational modeling indicate that the studied compound undergoes a geometrical transformation that involves an increase in the torsion angle omega between the aniline and indane ring systems with the rise of the polarity of the surrounding medium. This process is partly facilitated by an increased rotational freedom around omega in more polar solvents, as detected experimentally by NMR and predicted by calculations. Regarding the practical application aspects, computations predict that the solvent-polarity-induced increase of torsion omega would lead to a notable decrease in the first hyperpolarizability (beta) value. This was detected experimentally, as hyper-Rayleigh scattering (HRS) data showed a drop in the compound's NLO activity from betaHRS(532) = 513 * 10-30 esu in toluene to betaHRS(532) = 249 * 10-30 esu in acetonitrile. This places limitations on the NLO applications of the studied compound and its structural analogues, as the surrounding medium (solvent of polymer matrix) with the lowest possible polarity needs to be used to maximize their NLO efficiency. PMID- 29210403 TI - Atomic layer doping of Mn magnetic impurities from surface chains at a Ge/Si hetero-interface. AB - We realize Mn delta-doping into Si and Si/Ge interfaces using Mn atomic chains on Si(001). Highly sensitive X-ray absorption fine structure techniques reveal that encapsulation at room temperature prevents the formation of silicides/germanides while maintaining one-dimensional anisotropic structures. This is revealed by studying both the incident X-ray polarization dependence and post-annealing effects. Density functional theory calculations suggest that Mn atoms are located at substitutional sites, and show good agreement with experiment. A comprehensive magnetotransport study reveals magnetic ordering within the Mn delta-doped layer, which is observed at around 120 K. We demonstrate that doping methods based on the burial of surface nanostructures allows for the realization of systems for which conventional doping methods fail. PMID- 29210404 TI - Silica@layered double hydroxide core-shell hybrid materials. AB - A series of silica@layered double hydroxides (SiO2@Mg2Al-CO3-AMO-LDHs) have been synthesised by in situ precipitation of Mg2Al-CO3-LDH at room temperature in the presence of amorphous spherical silica particles (~500 nm). We have systematically investigated a number of synthetic parameters in order to evaluate their effects on the composition, morphological and physical properties of the isolated materials. Syntheses carried out at moderate stirring speeds (e.g. 500 rpm) were found to promote the formation of vertically aligned LDH platelets with respect to the silica surface. Addition rates of the metal solutions slower than 0.43 mmol h-1 were found to create a thicker LDH shell consisting of vertically aligned LDH platelets. When the metal solutions were added rapidly (0.86 mmol h 1), we observed that for both slow and fast stirring speeds the synthesised core shell materials had thin LDH shells and the majority of the LDH precipitated independent of the silica, forming unbound "free" LDH. PMID- 29210405 TI - Homo-endotaxial one-dimensional Si nanostructures. AB - One-dimensional (1D) nanostructures are highly sought after, both for their novel electronic properties as well as for their improved functionality. However, due to their nanoscale dimensions, these properties are significantly affected by the environment in which they are embedded. In this paper, we report on the creation of 1D homo-endotaxial Si nanostructures, i.e. 1D Si nanostructures with a lattice structure that is uniquely different from the Si diamond lattice in which they are embedded. We use scanning tunneling microscopy and spectroscopy, scanning transmission electron microscopy, density functional theory, and conductive atomic force microscopy to elucidate their formation and properties. Depending on kinetic constraints during growth, they can be prepared as endotaxial 1D Si nanostructures completely embedded in crystalline Si, or underneath a stripe of amorphous Si containing a large concentration of Bi atoms. These homo-endotaxial 1D Si nanostructures have the potential to be useful components in nanoelectronic devices based on the technologically mature Si platform. PMID- 29210406 TI - A hydrogen-atom transfer mechanism in the oxidation of alcohols by [FeO4]2- in aqueous solution. AB - The ferrate(vi) ion, [FeO4]2-, has attracted much interest in recent years because of its potential use as a green oxidant in organic synthesis and water treatment. Although there have been several reports on the use of ferrate(vi) for the oxidation of alcohols to the corresponding carbonyl compounds, the mechanism remains unclear. In this work, the kinetics of the oxidation of a series of alcohols with alpha-C-H bond dissociation energies ranging from 81 to 95 kcal mol 1 have been studied by UV/Vis spectrophotometry. The reactions are first-order in both [FeO4]2- and [alcohol]. The deuterium isotope effects for the oxidation of methanol/d4-methanol, ethanol/d6-ethanol and benzyl alcohol/d7-benzyl alcohol are 18.0 +/- 0.1, 4.1 +/- 0.1 and 11.2 +/- 0.1, respectively. A linear correlation is found between the second-order rate constants and the alpha-C-H bond dissociation energies (BDEs) of the alcohols, consistent with a hydrogen atom transfer (HAT) mechanism. The proposed HAT mechanism is supported by DFT calculations. PMID- 29210407 TI - Three-dimensional vapor intrusion modeling approach that combines wind and stack effects on indoor, atmospheric, and subsurface domains. AB - Vapor intrusion (IV) exposure risks are difficult to characterize due to the role of atmospheric, building and subsurface processes. This study presents a three dimensional VI model that extends the common subsurface fate and transport equations to incorporate wind and stack effects on indoor air pressure, building air exchange rate (AER) and indoor contaminant concentration to improve VI exposure risk estimates. The model incorporates three modeling programs: (1) COMSOL Multiphysics to model subsurface fate and transport processes, (2) CFD0 to model atmospheric air flow around the building, and (3) CONTAM to model indoor air quality. The combined VI model predicts AER values, zonal indoor air pressures and zonal indoor air contaminant concentrations as a function of wind speed, wind direction and outdoor and indoor temperature. Steady state modeling results for a single-story building with a basement demonstrate that wind speed, wind direction and opening locations in a building play important roles in changing the AER, indoor air pressure, and indoor air contaminant concentration. Calculated indoor air pressures ranged from approximately -10 Pa to +4 Pa depending on weather conditions and building characteristics. AER values, mass entry rates and indoor air concentrations vary depending on weather conditions and building characteristics. The presented modeling approach can be used to investigate the relationship between building features, AER, building pressures, soil gas concentrations, indoor air concentrations and VI exposure risks. PMID- 29210408 TI - A protected excitation-energy reservoir for efficient upconversion luminescence. AB - Lanthanide-doped upconversion nanoparticles (UCNPs) are of great interest for biomedical applications. Currently, the applicability of UCNP bionanotechnology is hampered by the generally low luminescence intensity of UCNPs and inefficient energy transfer from UCNPs to surface-bound chromophores used e.g. for photodynamic therapy or analyte sensing. In this work, we address the low efficiency issue by developing versatile core-shell nanostructures, where high concentration sensitizers and activators are confined in the core and shell region of representative hexagonal NaYF4:Yb,Er UCNPs. After doping concentration optimization, the sensitizer-rich core is able to harvest/accumulate more excitation energy and generate almost one order of magnitude higher luminescence intensity than conventional homogeneously doped nanostructures. At the same time, the activator ions located in the shell enable a ~6 times more efficient resonant energy transfer from UCNPs to surface-bound acceptor dye molecules due to the short distance between donor-acceptor pairs. Our work provides new insights into the rational design of UCNPs and will greatly increase the general applicability of upconversion nanotechnologies. PMID- 29210409 TI - Narcissistic chiral self-sorting of molecular face-rotating polyhedra. AB - Narcissistic chiral self-sorting prevailed in the assembly of molecular face rotating polyhedra from a C3h building block 5,5,10,10,15,15-hexabutyl-truxene 2,7,12-tricarbaldehyde and racemic mixtures of 1,2-diamines. Out of 124 possible stereoisomers, a pair of racemic polyhedra dominated, wherein (1R,2R)-diamines were segregated in AAAA polyhedra and (1S,2S)-diamines in CCCC polyhedra. This chiral self-sorting process is regulated by facial non-covalent interactions in the polyhedra. In contrast, D3h facial building blocks 1,3,5-tris-(4-formyl phenyl)triazine and racemic mixtures of 1,2-diamines assembled into polyhedra without facial interactions, and their assembly process did not undergo apparent chiral self-sorting. PMID- 29210410 TI - Cryogenically probing the surface trap states of single nanowires passivated with self-assembled molecular monolayers. AB - Optoelectronically probing the trap state density of single nanoscale devices is a powerful in situ nondestructive technique that is of significance for developing high gain photoconductors by surface engineering. However, the previously demonstrated optoelectronic methods are based on the exponential transient photoresponse assumption and only trap states in a very narrow bandgap region can be probed. In this Letter, we demonstrate a cryogenic technique that is capable of measuring the density of surface trap states in the full half bandgap without the exponential transient photoresponse assumption. The technique is applied to an array of silicon nanowire photoconductors that are fabricated on silicon-on-insulator (SOI) wafer by the top-down approach. Diethyl 1 propylphosphonate (DPP) and hexadecane molecular monolayers are self-assembled on silicon nanowire surfaces as the passivation layer in comparison with dry oxide passivation. The surface trap state density of the dry oxide passivated nanowires exponentially increases from the bandgap center, reaching a peak of ~5 * 1013 cm 2 eV-1 at 50 meV below the conduction band. The defect state density is significantly suppressed after DPP and hexadecane molecules are grafted onto the nanowire surfaces via covalent bonds. The experimental observations are consistent with the density functional theory calculations. PMID- 29210411 TI - Graphene integrated circuits: new prospects towards receiver realisation. AB - This work demonstrates a design approach which enables the fabrication of fully integrated radio frequency (RF) and millimetre-wave frequency direct-conversion graphene receivers by adapting the frontend architecture to exploit the state-of the-art performance of the recently reported wafer-scale CVD metal-insulator graphene (MIG) diodes. As a proof-of-concept, we built a fully integrated microwave receiver in the frequency range 2.1-2.7 GHz employing the strong nonlinearity and the high responsivity of MIG diodes to successfully receive and demodulate complex, digitally modulated communication signals at 2.45 GHz. In addition, the fabricated receiver uses zero-biased MIG diodes and consumes zero dc power. With the flexibility to be fabricated on different substrates, the prototype receiver frontend is fabricated on a low-cost, glass substrate utilising a custom-developed MMIC process backend which enables the high performance of passive components. The measured performance of the prototype makes it suitable for Internet-of-Things (IoT) and Radio Frequency Identification (RFID) systems for medical and communication applications. PMID- 29210412 TI - Identification and the molecular mechanism of a novel myosin-derived ACE inhibitory peptide. AB - The objective of this work was to identify a novel ACE inhibitory peptide from myosin using a number of in silico methods. Myosin was evaluated as a substrate for use in the generation of ACE inhibitory peptides using BIOPEP and ExPASy PeptideCutter. Then the ACE inhibitory activity prediction of peptides in silico was evaluated using the program peptide ranker, following the database search of known and unknown peptides using the program BIOPEP. In addition, the interaction mechanisms of the peptide and ACE were evaluated by DS. All of the tripeptides were predicted to be nontoxic. Results suggested that the tripeptide NCW exerted potent ACE inhibitory activity with an IC50 value of 35.5 MUM. Furthermore, the results suggested that the peptide NCW comes into contact with Zn 701, Tyr 523, His 383, Glu 384, Glu 411, and His 387. The potential molecular mechanism of the NCW/ACE interaction was investigated. Results confirmed that the higher inhibitory potency of NCW might be attributed to the formation of more hydrogen bonds with the ACE's active site. Therefore, the in silico method is effective to predict and identify novel ACE inhibitory peptides from protein hydrolysates. PMID- 29210413 TI - Design, synthesis, and conformational analysis of 3-cyclo-butylcarbamoyl hydantoins as novel hydrogen bond driven universal peptidomimetics. AB - A collection of systematically substituted 3-cyclo-butylcarbamoyl hydantoins was synthesized by a regioselective multicomponent domino process followed by easy coupling reactions. Calculations, NMR studies and X-ray analysis show that these scaffolds are able to project their side chains similar to common secondary structures, such as the alpha-helix and beta-turn, with favourable enthalpic and entropic profiles. PMID- 29210414 TI - Enhanced and synergistic downregulation of oncogenic miRNAs by self-assembled branched DNA. AB - miRNAs, a group of small non-coding RNA molecules, regulate the expression of many genes involved in various cellular processes. Acute evidence suggests that one miRNA can regulate many genes as its targets, while one gene can be targeted by many miRNAs that co-operatively regulate the gene. Thus, targeting a single miRNA is not sufficient enough to rescue the disease phenotype but it is also essential to target multiple miRNAs simultaneously. This inspired us to design a novel DNA nanostructure that can concurrently downregulate multiple oncomiRNAs. Here we designed a programmable antimiR branched DNA (antimiR-bDNA) nanostructure having antimiRNAs for selective binding to oncomiRNAs miRNA-27a, 96 and 182 which collectively downregulate FOXO1a expression. The antimiR-bDNAs show enhanced stability compared to naked antimiRNAs in serum and are able to knockdown these miRNAs with up to ~50% greater repression as compared to antimiRNAs. This synergistic miRNA repression leads to the restoration of FOXO1a protein levels which in turn inhibit G1-S traversion in cancer cells. To the best of our knowledge, this is the first study harnessing the ability of bDNA structures to silence multiple miRNAs simultaneously. PMID- 29210415 TI - Synthesis of polysubstituted pyridines from oxime acetates using NH4I as a dual function promoter. AB - Pyridine formation with oxime acetates as the building blocks under metal-free conditions is described. Ammonium iodide has proved to be a highly efficient promoter for oxime N-O bond reduction and subsequent condensation reactions, whereby it played a dual-function role in the transformation. While the three component reaction of oxime acetates, benzaldehydes, and 1,3-dicarbonyls proceeded well with the assistance of a stoichiometric amount of ammonium iodide, the condensation of oximes and acroleins was enabled by using a catalytic initiator to afford substituted pyridines. By this protocol, substituted pyridine products were generated in moderate to excellent yields with tolerance towards a broad range of functional groups. PMID- 29210416 TI - Biexciton and trion energy transfer from CdSe/CdS giant nanocrystals to Si substrates. AB - Observation of energy transfer (ET) from multiexcitonic (MX) complexes in nanocrystal quantum dots (NQDs) has been severely restricted due to efficient nonradiative Auger recombination leading to very low MX emission quantum yields. Here we employed "giant" CdSe/CdS NQDs with suppressed Auger recombination to study ET of biexcitons (BX) and charged excitons (trions) into Si substrate. Photoluminescence (PL) measurements of (sub)monolayers of gNQDs controllably assembled on various interacting surfaces and augmented by single gNQD's imaging reveal appearance of BX spectral signatures and progressive acceleration of PL lifetimes of all excitonic species on Si substrates. From statistical analysis of a large number of PL lifetime traces, representative exciton, trion and BX ET efficiencies are measured as ~75%, 55% and 45% respectively. Detailed analysis of the MX's radiative rates demonstrate the crucial role of the radiative (waveguide) ET in maintaining high overall transfer efficiency despite the prevalent Auger recombination. Our observations point towards practical utilization of MX-bearing nanocrystals in future optoelectronics architectures. PMID- 29210417 TI - Reactive oxygen species (ROS)-responsive nanomedicine for RNAi-based cancer therapy. AB - Although much effort has been dedicated to the development of efficient siRNA delivery for cancer therapy, delivery nanomaterials that can particularly respond to reactive oxygen species (ROS), which are overproduced in the tissue and mitochondria of cancer cells, are still rare for the clinical translation of RNA interference (RNAi)-based therapy. To this end, we developed a ROS-responsive boronic vehicle with a lipid envelope for systemic vascular endothelial growth factor (VEGF) siRNA delivery so as to improve RNAi cancer therapy. We found that the efficiency of siRNA delivery largely relied on the ROS responsiveness of the carrier we have developed to mediate timely siRNA release, the PEG-functionalized lipid layer to shield the surface charge of polyplexes as well as the ability of the phenylboronic moiety to stabilize siRNA. The unique carrier nanostructure provides the efficient systemic transportation of siRNA to the tumor site for effective knockdown of the VEGF, which resulted in a significant antiangiogenesis effect and the effective inhibition of tumor growth in vivo. The current study defines a new systemic delivery strategy for siRNA by cooperatively integrating multifunctional lipid coatings with the ROS-responsive boronic polymer, which may potentially benefit RNAi-based therapy in the dawning era of precision nanomedicine for cancer therapy. PMID- 29210418 TI - Thiolated DNA-templated silver nanoclusters with strong fluorescence emission and a long shelf-life. AB - Thiolated DNA (DNA-SH) was employed as a template in the synthesis and stabilization of AgNCs (DNA-SH-AgNCs). Resulting from the synergistic protective effect of specific Ag+-DNA interactions and Ag-S bonding, DNA-SH-AgNCs exhibited high quantum yields and resistance to oxidation. PMID- 29210419 TI - Polyethylene nano crystalsomes formed at a curved liquid/liquid interface. AB - Crystallization is incommensurate with nanoscale curved space due to the lack of three dimensional translational symmetry of the latter. Herein, we report the formation of single-crystal-like, nanosized polyethylene (PE) capsules using a miniemulsion solution crystallization method. The miniemulsion was formed at elevated temperatures using PE organic solution as the oil phase and sodium dodecyl sulfate as the surfactant. Subsequently, cooling the system stepwisely for controlled crystallization led to the formation of hollow, nanosized PE crystalline capsules, which are named as crystalsomes since they mimic the classical self-assembled structures such as liposome, polymersome and colloidosome. We show that the formation of the nanosized PE crystalsomes is driven by controlled crystallization at the curved liquid/liquid interface of the miniemulson droplet. The morphology, structure and mechanical properties of the PE crystalsomes were characterized using scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and atomic force spectroscopy. Electron diffraction showed the single-crystal-like nature of the crystalsomes. The incommensurateness between the nanocurved interface and the crystalline packing led to reduced crystallinity and crystallite size of the PE crystalsome, as observed from the X-ray diffraction measurements. Moreover, directly quenching the emulsion below the spinodal line led to the formation of hierarchical porous PE crystalsomes due to the coupling of the PE crystallization and liquid/liquid phase separation. We anticipate that this unique crystalsome represents a new type of nanostructure that might be used as nanodrug carriers and ultrasound contrast agents. PMID- 29210420 TI - A novel approach to 5H-pyrazino[2,3-b]indoles via annulation of 3-diazoindolin-2 imines with 2H-azirines or 5-alkoxyisoxazoles under Rh(ii) catalysis. AB - A novel one-step method for the preparation of 5H-pyrazino[2,3-b]indoles with different substitution patterns in all rings of the tricyclic system via the Rh2(OAc)4-catalyzed reaction of 2H-azirines with 3-diazoindolin-2-imines is reported. Alkyl 5H-pyrazino[2,3-b]indole-3-carboxylates were also prepared by a one-pot procedure from synthetic equivalents of alkyl 2H-azirine-2-carboxylates, 5-alkoxyisoxazoles. The reactions provide the first examples of the use of Rh(ii) catalysis for intermolecular annulations with 2H-azirines and isoxazoles. PMID- 29210422 TI - A two-dimensional tetragonal yttrium nitride monolayer: a ferroelastic semiconductor with switchable anisotropic properties. AB - We propose a two-dimensional (2D) tetragonal material: an yttrium nitride (t-YN) monolayer, with a distinguished combination of mechanical and electronic properties based on first-principles calculations. We find that the t-YN monolayer is a low direct band gap semiconductor (0.55 eV) with strong anisotropic mechanical and electronic properties. We also identify that the t-YN monolayer to be a 2D ferroelastic material with a reversible strain of about 14.4%, indicating that the anisotropic properties of the t-YN monolayer can be switched by applying external stress. Furthermore, the moderate-switching barrier (33 meV/atom) of ferroelastic lattice rotation renders the switchable anisotropic properties accessible experimentally. These outstanding properties make the t-YN monolayer a promising switchable anisotropic 2D material for electronic and mechanical applications. PMID- 29210421 TI - Cyclic azole-homologated peptides from Marine sponges. AB - This review discusses the chemistry of cyclic azole-homologated peptides (AHPs) from the marine sponges, Theonella swinhoei, other Theonella species, Calyx spp. and Plakina jamaicensis. The origin, distribution of AHPs and molecular structure elucidations of AHPs are described followed by their biosynthesis, bioactivity, and synthetic efforts towards their total synthesis. Reports of partial and total synthesis of AHPs extend beyond peptide coupling reactions and include creative construction of the non-proteinogenic amino acid components, mainly the homologated heteroaromatic and alpha-keto-beta-amino acids. A useful conclusion is drawn regarding AHPs: despite their rarity, exotic structures and the potent protease inhibitory properties of some members, their synthesis is under developed and beckons solutions for outstanding problems towards their efficient assembly. PMID- 29210423 TI - Bimodal phase separated block copolymer/homopolymer blends self-assembly for hierarchical porous metal nanomesh electrodes. AB - Transparent conducting electrodes (TCEs) are essential components in various optoelectronic devices. Nanostructured metallic thin film is one of the promising candidates to complement current metal oxide films, such as ITO, where high cost rare earth elements have been a longstanding issue. Herein, we present that multiscale porous metal nanomesh thin films prepared by bimodal self-assembly of block copolymer (BCP)/homopolymer blends may offer a new opportunity for TCE. This hierarchical concurrent self-assembly consists of macrophase separation between BCP and homopolymer as well as microphase separation of BCP, and thus provides a straightforward spontaneous production of a highly porous multiscale pattern over an arbitrary large area. Employing a conventional pattern transfer process, we successfully demonstrated a multiscale highly porous metallic thin film with reasonable optical transparency, electro-conductance, and large-area uniformity, taking advantage of low loss light penetration through microscale pores and significant suppression of light reflection at the nanoporous structures. This well-defined controllable bimodal self-assembly can offer valuable opportunities for many different applications, including optoelectronics, energy harvesting, and membranes. PMID- 29210424 TI - Cyclic olefin copolymer as an X-ray compatible material for microfluidic devices. AB - The combination of microfluidics and X-ray methods attracts a lot of attention from researchers as it brings together the high controllability of microfluidic sample environments and the small length scales probed by X-rays. In particular, the fields of biophysics and biology have benefited enormously from such approaches. We introduce a straightforward fabrication method for X-ray compatible microfluidic devices made solely from cyclic olefin copolymers. We benchmark the performance of the devices against other devices including more commonly used Kapton windows and obtain data of equal quality using small angle X ray scattering. An advantage of the devices presented here is that no gluing between interfaces is necessary, rendering the production very reliable. As a biophysical application, we investigate the early time points of the assembly of vimentin intermediate filament proteins into higher-order structures. This weakly scattering protein system leads to high quality data in the new devices, thus opening up the way for numerous future applications. PMID- 29210425 TI - In situ synthesis of iron sulfide embedded porous carbon hollow spheres for sodium ion batteries. AB - Iron sulfide embedded porous carbon hollow spheres (FeSx@CS) have been successfully synthesized through a facile and environment friendly in situ synthetic method. Using this method, a porous carbon matrix and uniformly dispersed iron sulfide nanoparticles were formed simultaneously and assembled into hollow spheres. The as-synthesized FeSx@CS material showed high reversible capacity, outstanding cycle performance, and excellent rate capability when it was applied as an anode material for sodium ion batteries. It delivered a remarkable charge capacity of 656.75 mA h g-1 in the first cycle and a capacity retention of 97% after 100 cycles. When the current density was increased from 50 mA g-1 to 1000 and 2000 mA g-1, high capacity retention of 76.3% and 62.5% was achieved, respectively. PMID- 29210426 TI - Probing nano-patterned peptide self-organisation at the aqueous graphene interface. AB - The peptide sequence GrBP5, IMVTESSDYSSY, is found experimentally to bind to graphene, and ex situ atomic force microscopy indicates the formation of an ordered over-layer on graphite. However, under aqueous conditions neither the molecular conformations of the adsorbed peptide chains, nor the molecular-level spatial ordering of the over-layer, has been directly resolved. Here, we use advanced molecular dynamics simulations of GrBP5, and related mutant sequences, to elucidate the adsorbed structures of both the peptide and the adsorbed peptide over-layer at the aqueous graphene interface. In agreement with a previous hypothesis, we find GrBP5 binds at the aqueous graphene interface chiefly via the tyrosine-rich C-terminal region. Our simulations of the adsorbed peptide over layers reveal that the peptide chains form an aggregate that does not evolve further into ordered patterns. Instead, we find that the inter-chain interactions are driven by hydrogen bonding and charge-charge interactions that are not sufficiently specific to support pattern formation. Overall, we suggest that the experimentally-observed over-layer pattern may be due to the drying of the sample, and may not be prevalent at the solvated interface. However, our simulations indicate sequence modifications of GrBP5 to promote over-layer ordering under aqueous conditions. PMID- 29210427 TI - Controllable manipulation of bubbles in water by using underwater superaerophobic graphene-oxide/gold-nanoparticle composite surfaces. AB - Manipulation of bubbles in water is of great importance in the mineral industry, oil production and separation, wastewater treatments, boiling processes, biological cell incubations, microfluidics and miniature reactor technologies. Generally, bubbles in an aqueous environment are inclined to stick to the channel walls, resulting in blockage and energy-consuming treatments. Herein, we report the fabrication of low-adhesion graphene-oxide (GO)/gold-nanoparticle (GNP) hybrid films with a good underwater superaerophobicity, which have the ability to arbitrarily manipulate bubbles in water. Owing to the hydrophilic nature of GO nanosheets and hierarchical structures of aggregated GNPs, the GO/GNP hybrid films showed low adhesion towards bubbles in water. Thus, bubbles could be freely manipulated using home-made tools coated with these low-adhesion, underwater superaerophobic GO/GNP hybrid films. The controlled 1D and 2D movements of one bubble and merging/reaction of two bubbles can be achieved. This study provides a new avenue to design new strategies for bubble manipulations, and further extends the application of superwettable 2D materials in interface fields involving gas phases. PMID- 29210428 TI - Lectin-gated and glycan functionalized mesoporous silica nanocontainers for targeting cancer cells overexpressing Lewis X antigen. AB - Gated mesoporous silica nanoparticles can deliver payload upon the application of a predefined stimulus, and therefore are promising drug delivery systems. Despite their important role, relatively low emphasis has been placed on the design of gating systems that actively target carbohydrate tumor cell membrane receptors. We describe herein a new Lewis X (Lex) antigen-targeted delivery system comprising mesoporous silica nanoparticles (MSNs) loaded with ATTO 430LS dye, functionalized with a Lex derivative (1) and capped with a fucose-specific carbohydrate-binding protein (Aleuria aurantia lectin (AAL)). This design takes advantage of the affinity of AAL for Lex overexpressed receptors in certain cancer cells. In the proximity of the cells, AAL is detached from MSNs to bind Lex, and selectins in the cells bind Lex in the gated MSNs, thereby inducing cargo delivery. Gated MSNs are nontoxic to colon cancer DLD-1 cells, and ATTO 430LS dye delivered correlated with the amount of Lex antigen overexpressed at the DLD-1 cell surface. This is one of the few examples of MSNs using biologically relevant glycans for both capping (via interaction with AAL) and targeting (via interaction with overexpressed Lex at the cell membrane). PMID- 29210429 TI - Probing magnetic coupling between LnPc2 (Ln = Tb, Er) molecules and the graphene/Ni (111) substrate with and without Au-intercalation: role of the dipolar field. AB - Lanthanides (Ln) bis-phthalocyanine (Pc), the so-called LnPc2double decker, are a promising class of molecules with a well-defined magnetic anisotropy. In this work, we investigate the magnetic properties of LnPc2 molecules UHV-deposited on a graphene/Ni(111) substrate and how they modify when an Au layer is intercalated between Ni and graphene. X-ray absorption spectroscopy (XAS), and linear and magnetic circular dichroism (XLD and XMCD) were used to characterize the systems and probe the magnetic coupling between LnPc2 molecules and the Ni substrate through graphene, both gold-intercalated and not. Two types of LnPc2 molecules (Ln = Tb, Er) with a different magnetic anisotropy (easy-axis for Tb, easy-plane for Er) were considered. XMCD shows an antiferromagnetic coupling between Ln and Ni(111) even in the presence of the graphene interlayer. Au intercalation causes the vanishing of the interaction between Tb and Ni(111). In contrast, in the case of ErPc2, we found that the gold intercalation does not perturb the magnetic coupling. These results, combined with the magnetic anisotropy of the systems, suggest the possible importance of the magnetic dipolar field contribution for determining the magnetic behaviour. PMID- 29210431 TI - Scandium as a pre-catalyst for the deoxygenative allylation of benzylic alcohols. AB - Scandium triflate is an effective pre-catalyst for the deoxygenative allylation of benzylic alcohols with a narrow substrate window. The reaction is shown to proceed through a "hidden Bronsted acid" mechanism. The reaction is efficient provided that the aryl group is neither too electron rich nor too electron poor. It is shown that this allows useful selectivity. The reaction also works for benzyhydryl alcohols with broader scope. The reaction may also be catalysed by Nafion. PMID- 29210434 TI - Nano-confinement-driven enhanced magnetic relaxivity of SPIONs for targeted tumor bioimaging. AB - Superparamagnetic iron oxide nanoparticles (SPIONs) are highly biocompatible and have a versatile synthetic technique based on coprecipitation, reduction precipitation, and hydrothermal methods, where Fe3+ and Fe2+ react in aqueous solutions; both these ions are present in our body and have clear metabolic pathways; therefore, they have attracted extensive research interest and development in the field of diagnostic imaging and therapy. However, most SPION based clinical diagnostic contrast agents are discontinued due to severe pain, low transverse magnetic relaxivity range of 80-180 mM-1 s-1, shorter circulation half-life, and lack of disease specificity. Therefore, in this study, we engineered a bone cancer-targeted hybrid nanoconstruct (HNC) with a high transverse magnetic relaxivity of 625 mM-1 s-1, which was significantly higher than that of clinical contrast agents. The engineered HNC is peripherally decorated with a bone-seeking agent, alendronic acid-conjugated phospholipid, exhibiting a hydrodynamic size of 80 nm with a negative surface potential, -35 mV. The interior skeleton of the HNC is composed of biodegradable and biocompatible poly(l-lactic-co-glycolic acid) (PLGA), in which 5 nm SPIONs are confined. We have successfully tuned the distance between the confined SPIONs from 0.5 to 4 nm, as revealed by transmission electron microscopy (TEM) images and magnetic resonance image (MRI) phantoms. This cluster confinement dramatically enhances magnetic relaxivity possibly due to the increase in net local magnetization due to proximal field inhomogeneity. In an in vitro examination, 80% of HNC is found to bind with hydroxyapatite (HAp), which when characterized by TEM shows a painting of SPIONs over a HAp crystal. HNC is found to accumulate in mouse osteosarcoma tumor (K7M2 tumor model); both MRI and histological examination of the tumor show the potential of HNC as targeting agents for diagnosis of tumor in the bone. PMID- 29210435 TI - Left- and right-circularly polarized light-sensing based on colored and mechano responsive chiral nematic liquid crystals. AB - A liquid crystal host-guest system composed of achiral organic molecules (host) and colored chiral metal complexes (guest) was fabricated to sense both right- and left-handed circularly polarized light (r- and l-CPL), depending on the guest (dopant) concentration. The CPL-sensing can be reversibly turned on and off upon mechanical stress and heating. PMID- 29210437 TI - Size controllable DNA nanogels from the self-assembly of DNA nanostructures through multivalent host-guest interactions. AB - Nanogels made of biomolecules are one of the potential candidates as a nanocarrier for drug delivery applications. The unique structural characteristics and excellent biocompatibility of DNA suggest that DNA nanogels would be an ideal candidate. Herein, a general design strategy for the crafting of DNA nanogels with controllable size using the multivalent host-guest interaction between beta CD functionalized branched DNA nanostructures as the host and a star-shaped adamantyl-terminated 8-arm poly(ethylene glycol) polymer as the guest is reported. Our results reveal that multivalent host-guest interactions are necessary for the nanogel formation. Nanogels exhibit excellent biocompatibility, good cell permeability and high drug encapsulation ability, which are promising features for their application as a drug carrier. The encapsulation of doxorubicin, an anticancer drug, inside the hydrophobic network of the nanogel and its delivery into cancer cells are also reported. We hope that the general design strategy demonstrated for the creation of DNA nanogels may encourage other researchers to use this approach for the design of DNA nanogels of other DNA nanostructures, and explore the potential of DNA nanogels in drug delivery applications. PMID- 29210438 TI - In-plane molecular organization of hydrated single lipid bilayers: DPPC:cholesterol. AB - Understanding the physical properties of cholesterol-phospholipid systems is essential to gain a better knowledge of the function of each membrane constituent. We present a novel, simple and user-friendly setup that allows for the straightforward grazing incidence X-ray diffraction characterization of hydrated individual supported lipid bilayers. This configuration minimizes the scattering from the liquid and allows the detection of the extremely weak diffracted signal of the membrane, enabling the differentiation of the coexisting domains in DPPC:cholesterol single bilayers. PMID- 29210439 TI - Translationally invariant colloidal crystal templates. AB - We show that dynamic, feed-back controlled optical traps, whose positions depend on the instantaneous local configuration of particles in a pre-determined way, can stabilise colloidal particles in finite lattices of any given symmetry. Unlike in a static template, the crystal so formed is invariant under uniform translations and retains all possible zero energy modes. We demonstrate this in silico by stabilising the unstable two-dimensional square lattice in a model soft solid with isotropic interactions. PMID- 29210440 TI - Microwave-annealing-induced nanowetting of block copolymers in cylindrical nanopores. AB - Block copolymers have attracted great attention because of their abilities to self-assemble into well-ordered microphase-separated structures. To generate nanopatterns of block copolymers with long-range ordering and low-defect densities in shorter time scales, microwave annealing has recently been applied. Microwave annealing, however, has so far only been used for block copolymer bulks and thin films. In this work, we discover that microwave annealing can be successfully applied to three-dimensional block copolymer nanostructures by studying the infiltration and microphase separation of block copolymers in cylindrical nanopores upon microwave irradiation. Cylinder-forming and lamella forming poly(styrene-block-dimethylsiloxane) (PS-b-PDMS) are introduced into the nanopores of anodic aluminum oxide (AAO) templates. In addition, AAO templates with different pore sizes are used to study the effect of the commensurabilities between the pore diameters and the repeating periods of the block copolymers on the morphologies of the block copolymer nanostructures. PMID- 29210441 TI - Barriers for Prevention and Prodromal AD Trials. PMID- 29210442 TI - Registries and Cohorts to Accelerate Early Phase Alzheimer's Trials. A Report from the E.U./U.S. Clinical Trials in Alzheimer's Disease Task Force. AB - The EU/US/CTAD Task Force, an international collaboration of AD investigators from industry and academia, met in Barcelona, Spain, on November 4th, 2015, to explore existing and planned patient registries and other clinical trial infrastructure meant to expedite recruitment of large numbers of participants into clinical trials and improve their productivity. The Task Force identified a number of approaches currently being tested around the world, including the use of predictive algorithms to identify individuals likely to have prodromal or preclinical AD, the establishment of clinical trial networks to streamline trials, and reforming the informed consent process to make it less burdensome to both investigators and trial participants. Multi-national systems such as the European Prevention of Alzheimer's Dementia (EPAD) and the Global Alzheimer's Platform (GAP) offer value for sponsors, trial sites, and patients by optimizing efforts to find effective disease-modifying and symptomatic treatments. PMID- 29210443 TI - Vanutide Cridificar (ACC-001) and QS-21 Adjuvant in Individuals with Early Alzheimer's Disease: Amyloid Imaging Positron Emission Tomography and Safety Results from a Phase 2 Study. AB - BACKGROUND: ACC-001 is an investigational therapeutic vaccine designed to elicit antibodies against the N-terminal peptide 1-7 of the amyloid-beta peptide, believed to be important in the pathogenesis of Alzheimer's disease. OBJECTIVES: To evaluate safety, immunogenicity, impact on brain amyloid, and other exploratory endpoints in participants receiving ACC-001. DESIGN: Randomized, phase 2, interventional study. TRIAL REGISTRATION: Clinicaltrials.gov ID NCT01227564. PARTICIPANTS: Individuals with early Alzheimer's disease (Mini Mental State Examination scores >=25, a global Clinical Dementia Rating of 0.5, and evidence of elevated baseline brain amyloid burden). INTERVENTION: Participants were randomized to ACC-001 3 ug or 10 ug with QS-21 adjuvant (50 ug), or placebo. MEASUREMENTS: The primary endpoint was change in brain amyloid burden by 18F-florbetapir positron emission tomography in composite cortical standard uptake value ratio. RESULTS: A total of 63 participants were randomized and 51 completed the study. At week 104, no significant differences were observed in 18F-florbetapir positron emission tomography composite cortical standard uptake value ratio between either ACC-001 dose compared with placebo. In both ACC 001 + QS-21 treatment groups, following the initial immunization, the anti amyloid-beta geometric mean titers increased after each subsequent vaccination and then declined, with less apparent decline after the later compared with earlier immunizations. The majority of treatment-emergent adverse events in the ACC-001 + QS-21 groups were injection site reactions, which occurred at a greater rate in active treatment groups than in the placebo group. No amyloid-related imaging abnormalities of edema or effusion were reported. CONCLUSION: No statistically significant differences were observed between groups in the change from baseline brain amyloid burden despite apparently robust systemically measured anti-amyloid-beta antibody response at both dose levels. Insufficient antibody titers, poor quality immune response, short duration of treatment, or small sample size may have resulted in these findings. The safety and tolerability profile was acceptable. PMID- 29210444 TI - Longitudinal Trajectories of Clinical Decline in Amyloid Positive and Negative Populations. AB - BACKGROUND: Brain beta-amyloid status portends different trajectories of clinical decline. OBJECTIVE: Determine trajectories and predictive baseline variable(s). DESIGN: Longitudinal, up to 24 months. SETTING: ADNI sites. PARTICIPANTS: Healthy control (n=325), early and late mild cognitive impairment (n=279; n=372), and Alzheimer's dementia (n=216) subjects from ADNI-1/GO/2. MEASUREMENTS: Baseline amyloid status was based on first available CSF Abeta1-42 or, [11C]PiB or [18F]florbetapir (FBP) PET. Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog13) and Functional Activities Questionnaire (FAQ) were co analyzed using Growth Mixture Modeling (GMM) to define latent class trajectories for each amyloid group. Classification and Regression Tree (CART) analysis determined which variables best predicted trajectory class membership using a number of variables available to clinicians. RESULTS: GMMs found two trajectory classes (C1, C2) each for amyloid-positive (P; n=722) and negative (N; n=470) groups. Most (90%) in the negative group were C2N with mildly impaired baseline ADAS-Cog13, normal FAQ and nonprogression; 10% were C1N with moderately impaired baseline FAQ and ADAS-Cog13 and trajectory of moderately worsening scores on the FAQ. C1P (26%) had more impaired baseline FAQ and ADAS-Cog13 than C2P (74%) and a steeper declining trajectory. CART yielded 4 decision nodes (FAQ <10.5, FAQ <6.5, MMSE >=26.5, age <75.5) in positive and 1 node (FAQ <6.5) in negative groups, with 91.4% and 92.8% accuracy for class assignments, respectively. CONCLUSIONS: The trajectory pattern of greater decline in amyloid positive subjects was predicted by greater baseline impairment of cognition and function. While most amyloid-negative subjects had nonprogression irrespective of their diagnosis, a subgroup declined similarly to the gradually declining amyloid-positive group. CART predicted likely trajectory class, with known amyloid status, using variables accessible in a clinical setting, but needs replication. PMID- 29210445 TI - A Novel Eigenvector-based Method to Detect Mild Alzheimer's Disease Using Event Related Potentials. AB - Event-related potentials (ERPs) are a physiological measure of cognitive function that have shown diagnostic and prognostic utility in Alzheimer's disease (AD). In this study, we used a novel eigenvector-based technique to better understand brain electrophysiological differences between subjects with mild AD and healthy controls (HC). Using ERPs from 75 subjects with mild AD and 95 HC, we first calculated cognitive task eigenvectors within each subject from three conditions and then calculated second-order eigenvector components to compare the AD group to the HC group. A MANOVA of the three second-level components discriminated between AD and HC multivariately (Wilks' lambda=.4297, p<0.0001, R2 = .5703), and also on each of the three components univariately (all 3 p-values<0.0001). The eigenvector-based technique used in this study accurately discriminated between the mild AD group and HC. As such, this analysis method adds to our understanding of the differences in ERP signal between AD and HC, and could provide a sensitive biomarker for diagnosis and monitoring of AD progression. PMID- 29210446 TI - Quantification of noninvasive fat reduction: A systematic review. AB - BACKGROUND AND OBJECTIVE: Noninvasive fat reduction appears effective, but there are various methods for quantifying changes. The objective of this review is to assess comparative utility measures of subcutaneous fat. STUDY DESIGN/MATERIALS AND METHODS: Articles describing noninvasive fat reduction were searched using MEDLINE, EMBASE, CINAHL and Scopus electronic databases on two dates (January 28, 2014 and February 16, 2016). Titles of studies and abstracts were screened for eligibility. Manual review was performed by two investigators to detect those that: (1) included original data; (2) were randomized controlled trials, or prospective or retrospective cohort studies; (3) quantified fat outcomes; and (4) enrolled at least 10 subjects. RESULTS: Of 1,057 retrieved articles, 36 met criteria. Most reported four or more measurement techniques. Circumference measurements were most commonly cited. Other objective techniques, like caliper thickness, ultrasound, magnetic resonance imaging (MRI), and three-dimensional (3D) photography, were also used. Common subjective methods were evaluation of standardized photographs by blinded raters and patient satisfaction surveys. CONCLUSIONS: For quantifying noninvasive fat reduction, all available methods had significant limitations: photographic comparisons were subjective; circumference or caliper measurements were confounded; ultrasound was operator dependent; MRI was expensive; computed models and simulations were in early development. As new technologies are developed, the need for reliable, accurate and practical measures of subcutaneous fat will increase. Lasers Surg. Med. 50:96-110, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29210447 TI - Improvement of physico-chemical properties and phenolic compounds bioavailability by concentrating dietary fiber of peach (Prunus persica) juice by-product. AB - BACKGROUND: This study aimed to concentrate dietary fiber (DF) from peach (Prunus persica) juice by-product (PJBP), to improve its functional properties, and its polyphenols bioavailability. The dietary fiber concentrates (DFCs) were obtained from PJBP using water/ethanol treatments (100:0, 20:80, 50:50, 80:20, and 0:100, v/v) at 1:5 ratio (wet weight/solvent, w/v) for 5 and 20 min at 21 degrees C. RESULTS: All treatments concentrated condensed tannins, total and insoluble DF, with the highest content found with 100% H2 O treatment. The major polyphenols of DFC were 4-O-caffeoylquinic, chlorogenic, and 1,5-di-O-caffeoylquinic acids. Water and oil retention capacity and maximum glucose diffusion rate were improved mainly with 100% H2 O treatment. Healthy rats were fed with a standard diet supplemented with 8% of PJBP, DFC obtained with 100% H2 O for 5 min, or DFC obtained with 20% EtOH for 5 min. Gastrointestinal digesta weight and viscosity were increased in animals supplemented with 100% H2 O DFC. Moreover, the urinary excretion of polyphenol metabolites, mainly glucuronide and sulfate conjugates, was increased with this treatment, indicating a greater bioavailability of PJBP polyphenols, which was associated with an increased dietary fiber porosity. CONCLUSION: Water treatment could be used to potentiate PJBP functional properties and polyphenols bioavailability. (c) 2017 Society of Chemical Industry. PMID- 29210448 TI - Maternal effects and parent-offspring conflict. AB - Maternal effects can provide offspring with reliable information about the environment they are likely to experience, but also offer scope for maternal manipulation of young when interests diverge between parents and offspring. To predict the impact of parent-offspring conflict, we model the evolution of maternal effects on local adaptation of young. We find that parent-offspring conflict strongly influences the stability of maternal effects; moreover, the nature of the disagreement between parents and young predicts how conflict is resolved: when mothers favor less extreme mixtures of phenotypes relative to offspring (i.e., when mothers stand to gain by hedging their bets), mothers win the conflict by providing offspring with limited amounts of information. When offspring favor overproduction of one and the same phenotype across all environments compared to mothers (e.g., when offspring favor a larger body size), neither side wins the conflict and signaling breaks down. Only when offspring favor less extreme mixtures relative to their mothers (something no current model predicts), offspring win the conflict and obtain full information about the environment. We conclude that a partial or complete breakdown of informative maternal effects will be the norm rather than the exception in the presence of parent-offspring conflict. PMID- 29210449 TI - Mixture Design Applied to the Development of Chickpea-Based Gluten-Free Bread with Attractive Technological, Sensory, and Nutritional Quality. AB - : The aim of the study was utilized chickpea to create appealing, nutritious, and palatable gluten-free bread (GFB). The performance of chickpea flour (CF) in single and composite GFB formulations was studied with a mixture design and response surface methodology. Six simplex-centroid designs for 3 ingredients were used to identify the ideal proportions of CF in various blends with cassava starch (CS), maize starch (MS), potato starch (PS), and rice flour (RF) achieving the best physical properties. For each design, 3 single, 3 binary, and 3 ternary formulations were prepared. The results showed that CF alone is suitable for bread production, resulting in GFB with higher volume and crumb firmness and lower crumb moisture than single formulations of other raw materials. However, the interactions between CF and PS or CS enhanced the loaf volume and decreased the crumb firmness values. The GFB prepared with only CF was accepted (overall acceptability score of 7.1- on a 10-cm scale). Nevertheless, the composite formulations prepared with CF75:PS25 or CF75:CS25 (flour basis) received overall acceptability scores of 8.2, like those of their white GFB, prepared with RF50:PS50 blend (flour basis), and wheat bread counterparts, used as positive controls. Compared to white GFB, both composite formulations presented nearly a twofold increase in ash and protein contents and a threefold increase in total fiber content. These results show that blends of CF75:PS25 or CF75:CS25 can be used to develop GFB with a good physical and sensory properties, as well as an enhanced nutritional composition. PRACTICAL APPLICATION: Gluten-free bread (GFB) made with 75% chickpea flour (CF) blend with 25% potato or cassava starch showed improved total minerals, protein and dietary fiber content and bread quality characteristics. Therefore, CF is a valuable ingredient for food technologists in manufacturing better-tasting and healthy GFB, which is important for consumers with gluten-related disorders since GFB often lack nutrition content, appearance, texture, and mouthfeel. PMID- 29210450 TI - Detection of allergen coding sequences of kiwi, peach, and apple in processed food by qPCR. AB - BACKGROUND: Food traceability becomes lifesaving for persons suffering severe allergy or intolerance, and therefore need a complete avoidance of the immune trigger food. This paper describes how to fingerprint the presence of some allergenic species (kiwi, peach, and apple) in foods by quantitative real-time PCR (qPCR). RESULTS: Five DNA extraction procedures were tested on fruits and foods. The results were statistically evaluated, and discussed. Analysis by qPCR with SYBR Green was developed to detect traces of these allergenic species in foods. Plasmids containing the target sequences of kiwi, peach and apple were employed as internal reference standard. Analysis of spiked food samples showed a limit of detection of 25 mg kg-1 for kiwi, 20 mg kg-1 for peach and 50 mg kg-1 for apple. CONCLUSION: The qPCR method here developed, combined with the use of internal plasmid reference standard, represents a specific system for the quick detection of allergenic species in complex food matrices, with a limit of detection comparable with those reported using more time-consuming methods. (c) 2017 Society of Chemical Industry. PMID- 29210451 TI - Inactivation Methods of Trypsin Inhibitor in Legumes: A Review. AB - Seed legumes have played a major role as a crop worldwide, being cultivated on about 12% to 15% of Earth's arable land; nevertheless, their use is limited by, among other things, the presence of several antinutritional factors (ANFs - naturally occurring metabolites that the plant produces to protect itself from pest attacks.) Trypsin inhibitors (TIs) are one of the most relevant ANFs because they reduce digestion and absorption of dietary proteins. Several methods have been developed in order to inactivate TIs, and of these, thermal treatments are the most commonly used. They cause loss of nutrients, affect functional properties, and require high amounts of energy. Given the above, new processes have emerged to improve the nutritional quality of legumes while trying to solve the problems caused by the use of thermal treatments. This review examines and discusses the methods developed by researchers to inactivate TI present in legumes and their effects over nutritional and functional properties. PMID- 29210452 TI - Does thalidomide prolong survival in dogs with splenic haemangiosarcoma? AB - OBJECTIVES: To investigate thalidomide as an adjuvant treatment for canine haemangiosarcoma. MATERIALS AND METHODS: Fifteen dogs with splenic haemangiosarcoma, initially treated by splenectomy, were included. Following recovery from surgery, all dogs received thalidomide continuously until their death. Tumour stage was established using CT scans of the chest and abdomen immediately before starting thalidomide treatment and again three months later. Cause of death was confirmed by post mortem examination. RESULTS: The median survival time of dogs receiving thalidomide was 172 days (95% confidence interval: 93 to 250 days). Five dogs (33% of the population receiving thalidomide) survived more than 1 year (range 458 to 660 days) after surgery. Dogs with stage 2 disease that received thalidomide also had a longer survival time than dogs with stage 3 disease (median survival time 303 versus 40 days). Of 15 dogs, 13 died from metastatic haemangiosarcoma. CLINICAL SIGNIFICANCE: Treatment using thalidomide may improve survival of dogs with splenic haemangiosarcoma and should be considered a possible adjuvant therapy. PMID- 29210453 TI - A Combined Approach of Infrared Spectroscopy and Multivariate Analysis for the Simultaneous Determination of Sugars and Fructans in Strawberry Juices During Storage. AB - : In this work, a Fourier transform mid-infrared spectroscopy (FTIR)-based method was developed for simultaneously quantifying simple sugars and exogenously added fructooligosaccharides (FOS) in strawberry juices preserved for up to 14 d using nonthermal techniques (geraniol and vanillin+ultrasound). The main spectral differences were observed in the 1200 to 900 cm-1 region. The presence of FOS was identified by the typical bands at 1134, 1034, and 935 cm-1 . During storage, a significant decrease of sucrose was concomitant to an increase of glucose and fructose in juices stored without any previous preservation treatment, as determined by high-performance liquid chromatography (HPLC). A principal component analysis was performed on the FTIR spectra corresponding to the different treatments. The groups observed explained more than 94% of the variance and were related to changes in the carbohydrate composition during storage. Then, different partial least square models (PLS) were defined to determine the concentrations of glucose, sucrose, fructose, and those of exogenously added FOS with degrees of polymerization within 3 and 5. The carbohydrates' concentrations determined by HPLC were used as reference method. The models were validated with independent sets of data. The mean of predicted values fitted nicely those obtained by HPLC (correlation and R2 > 0.97), thus supporting the use of the PLS models to monitor the quality of strawberry juices in unknown samples. In conclusion, FTIR spectroscopy appears as an adequate analytical tool to quick assess whether juice formulations meet specifications in terms of authenticity, contamination and/or deterioration. PRACTICAL APPLICATION: FTIR spectroscopy provided a method potentially transferable to the food industry when associated with the multivariate analysis. The robust 21 PLS models defined in this work provided reliable tools for the rapid monitoring of juices' authenticity and/or deterioration. In this regard, FTIR associated to multivariate analysis enabled the determination of different sugars in a single measurement without the need of pure sugars as standards. This experimental simplicity supports the use of FTIR at the production line, and also contributes to save time in determining carbohydrates' composition and stability, in an environmentally friendly way. PMID- 29210454 TI - The functional roles of retromer in Parkinson's disease. AB - The endosomal system is critical for the maintenance of intracellular homeostasis, and defects in this system are often linked to neurological disorders. The retromer complex is a critical coordinator of endosomal dynamics and has functional roles in multiple cellular processes through sorting cargoes from endosomes to the trans-Golgi network (TGN) or to the plasma membrane. Mammalian retromer comprises a core Vps26-Vps35-Vps29 trimer and associates with a range of proteins to generate endosomal tubular-vesicular carriers. Alterations in retromer function or its molecular organization have been a rising risk factor for Parkinson's disease (PD). Although genetic evidence has shown several variants within retromer in late-onset PD cases, the exact molecular machineries by which retromer variants induce the development of PD are still not completely elucidated. In this Review, we will focus on the functional roles of retromer in neuronal health, summarize advances in defining the cellular pathological phenotype caused by retromer deficiency or PD-linked retromer variants and discuss the potential clues of how retromer deregulation may contribute to PD pathogenesis. PMID- 29210455 TI - Examining Differentiation of Self as a Mediator in the Biobehavioral Family Model. AB - The Biobehavioral Family Model (BBFM) is a biopsychosocial model of health. This model proposes that biobehavioral reactivity mediates the association between the family emotional climate and disease activity. To improve the clinical relevance of the BBFM, variables that mediate the association between family emotional climate and biobehavioral reactivity need to be tested. This study examined differentiation of self as a mediator. Using data from the Midlife Development in the United States study (n = 854), results suggested that differentiation of self mediated the association between the family and intimate partner emotional climate and mental health symptoms. These findings suggest that including differentiation of self into the BBFM may help interventions based on the model target factors that could improve health outcomes. PMID- 29210456 TI - Using carboxylated cellulose nanofibers to enhance mechanical and barrier properties of collagen fiber film by electrostatic interaction. AB - BACKGROUND: Collagen-based films including casings with a promising application in meat industry are still needed to improve its inferior performance. In the present study, the reinforcement of carboxylated cellulose nanofibers (CNF) for collagen film, based on inter-/intra- molecular electrostatic interaction between cationic acid-swollen collagen fiber and anionic carboxylated CNF, was investigated. RESULTS: Adding CNF decreased the zeta-potential but increased particle size of collagen fiber suspension, with little effect on pH. Furthermore, CNF addition led to a higher tensile strength but a lower elongation, and the water vapor and oxygen barrier properties were improved remarkably. Because the CNF content was 50 g kg-1 or lower, the films had a homogeneous interwoven network, and CNF homogeneously embedded into collagen fiber matrix according to the scanning electron microscopy and atomic force microscopy analysis. Additionally, CNF addition increased film thickness and opacity, as well as swelling rate. CONCLUSION: The incorporation of CNF endows collagen fiber films good mechanical and barrier properties over a proper concentration range (<= 50 g kg-1 collagen fiber), which is closely associated with electrostatic reaction of collagen fiber and CNF and, subsequently, the form of the homogenous, compatible spatial network, indicating a potential applications of CNF in collagenous protein films, such as edible casings. (c) 2017 Society of Chemical Industry. PMID- 29210457 TI - Advances on the impact of thermal processing on structure and antigenicity of chicken ovomucoid. AB - BACKGROUND: Ovomucoid (OVM) is the dominant allergen found in egg white. The heat induced changes on chicken OVM structure and antigenic properties were assessed at acidic, neutral and alkaline pH values. RESULTS: The fluorescence spectroscopy measurements indicated changes in the conformation of OVM caused by both pH and thermal treatment. The OVM molecule exhibited higher exposure of hydrophobic residues at 7.0, as indicated by the synchronous spectra, intrinsic fluorescence and quenching experiments. When heating the protein at pH 9.5, the molecular structure appeared more compact. The antigenic properties of OVM, estimated through the enzyme-linked immunosorbent assay, appeared not to be sensitive to heat at pH 7.0 and 4.5. Single molecule level investigations indicated that the secondary and tertiary structure of OVM was affected by the thermal treatment. CONCLUSIONS: Experimental results indicated over 90% reduction of the antigenicity at pH 9.5 and temperature of 100 degrees C. Significant changes of the linear epitopes exposure and location of the conformational epitopes were highlighted after performing heating molecular dynamics simulations of OVM from 25 degrees C to 100 degrees C. (c) 2017 Society of Chemical Industry. PMID- 29210458 TI - Distribution of cardiac sodium channels in clusters potentiates ephaptic interactions in the intercalated disc. AB - KEY POINTS: It has been proposed that ephaptic conduction, relying on interactions between the sodium (Na+ ) current and the extracellular potential in intercalated discs, might contribute to cardiac conduction when gap junctional coupling is reduced, but this mechanism is still controversial. In intercalated discs, Na+ channels form clusters near gap junction plaques, but the functional significance of these clusters has never been evaluated. In HEK cells expressing cardiac Na+ channels, we show that restricting the extracellular space modulates the Na+ current, as predicted by corresponding simulations accounting for ephaptic effects. In a high-resolution model of the intercalated disc, clusters of Na+ channels that face each other across the intercellular cleft facilitate ephaptic impulse transmission when gap junctional coupling is reduced. Thus, our simulations reveal a functional role for the clustering of Na+ channels in intercalated discs, and suggest that rearrangement of these clusters in disease may influence cardiac conduction. ABSTRACT: It has been proposed that ephaptic interactions in intercalated discs, mediated by extracellular potentials, contribute to cardiac impulse propagation when gap junctional coupling is reduced. However, experiments demonstrating ephaptic effects on the cardiac Na+ current (INa ) are scarce. Furthermore, Na+ channels form clusters around gap junction plaques, but the electrophysiological significance of these clusters has never been investigated. In patch clamp experiments with HEK cells stably expressing human Nav 1.5 channels, we examined how restricting the extracellular space modulates INa elicited by an activation protocol. In parallel, we developed a high-resolution computer model of the intercalated disc to investigate how the distribution of Na+ channels influences ephaptic interactions. Approaching the HEK cells to a non-conducting obstacle always increased peak INa at step potentials near the threshold of INa activation and decreased peak INa at step potentials far above threshold (7 cells, P = 0.0156, Wilcoxon signed rank test). These effects were consistent with corresponding control simulations with a uniform Na+ channel distribution. In the intercalated disc computer model, redistributing the Na+ channels into a central cluster of the disc potentiated ephaptic effects. Moreover, ephaptic impulse transmission from one cell to another was facilitated by clusters of Na+ channels facing each other across the intercellular cleft when gap junctional coupling was reduced. In conclusion, our proof-of-principle experiments demonstrate that confining the extracellular space modulates cardiac INa , and our simulations reveal the functional role of the aggregation of Na+ channels in the perinexus. These findings highlight novel concepts in the physiology of cardiac excitation. PMID- 29210459 TI - Phenolic Analysis and Theoretic Design for Chinese Commercial Wines' Authentication. AB - : To develop a robust tool for Chinese commercial wines' varietal, regional, and vintage authentication, phenolic compounds in 121 Chinese commercial dry red wines were detected and quantified by using high-performance liquid chromatography triple-quadrupole mass spectrometry (HPLC-QqQ-MS/MS), and differentiation abilities of principal component analysis (PCA), partial least squares discriminant analysis (PLS-DA), and orthogonal partial least squares discriminant analysis (OPLS-DA) were compared. Better than PCA and PLS-DA, OPLS DA models used to differentiate wines according to their varieties (Cabernet Sauvignon or other varieties), regions (east or west Cabernet Sauvignon wines), and vintages (young or old Cabernet Sauvignon wines) were ideally established. The S-plot provided in OPLS-DA models showed the key phenolic compounds which were both statistically and biochemically significant in sample differentiation. Besides, the potential of the OPLS-DA models in deeper sample differentiating of more detailed regional and vintage information of wines was proved optimistic. On the basis of our results, a promising theoretic design for wine authentication was further proposed for the first time, which might be helpful in practical authentication of more commercial wines. PRACTICAL APPLICATION: The phenolic data of 121 Chinese commercial dry red wines was processed with different statistical tools for varietal, regional, and vintage differentiation. A promising theoretical design was summarized, which might be helpful for wine authentication in practical situation. PMID- 29210460 TI - A Kinetic Approach to Evaluate the Structure-Based Performance of Antioxidants During Lipid Oxidation. AB - Thermal kinetic parameters of fish oil oxidation, as affected by o-hydroxyl, o methoxy, and alkyl ester derivatives of p-hydroxybenzoic acid in various concentrations (0.02% to 0.16%) at 35 to 55 degrees C, were calculated. The average extent of increase (2% to 10%) in the values of free energy of activation, ?G++ , as well as the average extent of change in the Arrhenius equation parameters, including activation energy (Ea , -40.5% to 13.6%) and frequency factor (A, -55.0% to 4.3%), could be employed well to show structure based performance of antioxidants. Temperature coefficient (TC ) and Q10 number, which were considered as the quantitative measures of thermal sensitivity of the lipid system, showed changes from -40.3% and -27.2% to 13.5% and 11.5%, respectively, in the presence of the antioxidants. PMID- 29210461 TI - Chronic pain in pachyonychia congenita: evidence for neuropathic origin. AB - BACKGROUND: Pachyonychia congenita (PC) is a rare autosomal dominant skin disease, with chronic pain being the most prominent complaint. Histological studies showing alterations in sensory innervation, along with reports on alterations in mechanical sensitivity, suggest that PC may be a form of neuropathy. OBJECTIVES: Here, for the first time, we aim to evaluate systematically the sensory function of patients with PC vs. controls, in order to investigate the pathophysiology of PC. METHODS: Patients (n = 62) and controls (n = 45) completed the McGill and Douleur Neuropathique-4 (DN4) questionnaires. Sensory testing included detection and pain thresholds, pathological sensations, conditioned pain modulation (CPM) and temporal summation of pain. RESULTS: A moderate-to-severe chronic pain in the feet, throbbing and stabbing in quality, was highly prevalent among patients with PC (86%) and was especially debilitating during weight bearing. In addition, the majority of patients had a DN4 score >= 4 (62%), static allodynia (55%) and tingling (53%) in the feet. Compared with controls, patients with PC exhibited thermal and mechanical hypoaesthesia and mechanical hyperalgesia in the feet. CPM was reduced among the patients, and was associated with more enhanced mechanical hyperalgesia in the feet. The specific gene and nature of the causative mutation did not affect any of these features. CONCLUSIONS: Although thermal and mechanical hypoaesthesia may result from thicker skin, its presentation in painful regions, along with mechanical hyperalgesia and allodynia, point towards the possibility of neuropathic changes occurring in PC. The clinical features and DN4 scores support this possibility and therefore neuropathic pain medications may be beneficial for patients with PC. PMID- 29210462 TI - Vocational rehabilitation for enhancing return-to-work in workers with traumatic upper limb injuries. AB - BACKGROUND: Traumatic upper limb injury is a leading cause of work-related disability. After return-to-work (RTW), many survivors of injuries are able to regain a quality of life (QoL) comparable with the normal population. Since RTW plays an important role in economic productivity and regaining health-related QoL, enhancing RTW in workers with traumatic limb injuries is the primary goal of rehabilitation. Vocational rehabilitation has been commonly employed in the field of occupational safety and health to increase the number of injured people returning to the labour market, prevent illness, increase well-being, and reduce disability. OBJECTIVES: To assess the effects of vocational rehabilitation programmes for enhancing RTW in workers with traumatic upper limb injuries. SEARCH METHODS: This is an update of a Cochrane review previously published in 2013. We updated our searches of the following databases: the Cochrane Central Register of Controlled Trials (CENTRAL; 2017, Issue 9), MEDLINE (to 30 August 2017), EMBASE (to 3 September 2017), CINAHL (to 6 September 2017), and PsycINFO (to 6 September 2017), and we handsearched the references lists of relevant review articles. SELECTION CRITERIA: We aimed to include all randomised controlled trials (RCTs) comparing vocational rehabilitation with an alternative (control) intervention such as standard rehabilitation, a limited form of the vocational rehabilitation intervention (such as advice on RTW, referral information, or liaison with employer), or waiting-list controls. DATA COLLECTION AND ANALYSIS: Two authors independently inspected abstracts, and we obtained full papers when necessary. When the two authors disagreed about the inclusion of a study, we resolved disagreements by discussion. A third author arbitrated when necessary. MAIN RESULTS: Our updated search identified 466 citations. Based on assessments of their titles and abstracts, we decided to evaluate the full texts of five records; however, none met our inclusion criteria. AUTHORS' CONCLUSIONS: There is currently no high-quality evidence to support or refute the efficacy of vocational rehabilitation for enhancing RTW in workers with traumatic upper limb injuries. Since injured people in occupational settings frequently receive vocational rehabilitation with the aim of decreasing work disability, enhancing RTW, increasing productivity, and containing the welfare cost, further high quality RCTs assessing the efficacy of vocational rehabilitation for workers with traumatic upper limb injury are needed to fill this gap in knowledge. PMID- 29210463 TI - Fishy Odor and TMA Content Levels in Duck Egg Yolks. AB - : The differences between the trimethylamine (TMA) content levels in duck and chicken egg yolks under normal dietary conditions were compared. Moreover, the association between the polymorphisms of the duck FMO3 gene and TMA content levels in duck egg yolks was analyzed. Then, to detect the mutations associated with the fish-flavor trait, duck populations were selected for a high-choline diet experiment, which was followed by full-length sequencing of the FMO3 exons. The results showed that the TMA content levels in duck eggs (3.60 MUg/g) were significantly higher than those in chicken eggs (2.35 MUg/g) under normal dietary conditions (P < 0.01). With regard to the high-choline diet, the average TMA content levels in duck egg yolks (9.21 MUg/g; P < 0.01) increased significantly. Furthermore, 5 SNPs reported in Ensembl database were detected in duck FMO3 exons. However, no mutation loci were found to be significantly associated with the TMA content levels in duck egg yolks. Besides, duck liver FMO3 mRNA expression levels were not associated with the TMA content levels. The results indicated that excessive TMA deposition in duck eggs is one of main factors causing the fishy odor in duck eggs, and the addition of choline in the ducks' diets was responsible for inducing an increase in the TMA content levels in duck eggs. PRACTICAL APPLICATION: Our study can help to diminish the fishy taste in duck eggs by reducing the amount of supplemented choline. Furthermore, this study laid a solid foundation for revealing the genetic factors involved in the fishy odor in duck eggs. PMID- 29210465 TI - 25 years of European Union (EU) quality schemes for agricultural products and foodstuffs across EU Member States. AB - Consumers are increasingly turning their attention to the quality and origin of products that they consume. European Union (EU) quality schemes are associated with a label, which was introduced to allow consumers to perform an informed choice and to protect producers from unfair practices. This present study provides an overview of the last 25 years of EU quality schemes [Protected Designations of Origin (PDO), Protected Geographical Indications (PGI) and Traditional Specialities Guaranteed (TSG)] on agricultural products and foodstuffs across the 28 EU Member States. According to the results, it was possible to conclude that Southern European countries have the highest number of registered products. The most used EU quality scheme is PGI, followed by PDO. Concerning the analysis of the evolution in the last 25 years, the number of registered products among EU Member States has increased significantly. The fruit, vegetables and cereals (fresh or processed) category is the one that accounts for the highest percentage (26.8%) of registered products, followed by cheeses and meat products (cooked, salted, smoked) categories, with 17.2% and 13.5%, respectively. Further investigations should address consumer preferences, knowledge and attitudes, especially Northern European countries with a lower number of registered products. Moreover, the investigation and registration of products should be encouraged among all EU Member States to allow the maintenance of important elements of the history, culture and heritage of the local areas, regions and countries. (c) 2017 Society of Chemical Industry. PMID- 29210464 TI - Ca2+ and lipid signals hold hands at endoplasmic reticulum-plasma membrane contact sites. AB - Discovery of the STIM1 and Orai proteins as the principal components of store operated Ca2+ entry has drawn attention to contact sites between the endoplasmic reticulum (ER) and the plasma membrane (PM). Such contacts between adjacent membranes of different cellular organelles, primarily between the mitochondria and the ER, had already been known as the sites where Ca2+ released from the ER can be efficiently channelled to the mitochondria and also where phosphatidylserine synthesis and transfer takes place. Recent studies have identified contact sites between virtually every organelle and the ER and the functional importance of these small specialized membrane domains is increasingly recognized. Most recent developments have highlighted the role of phosphatidylinositol 4-phosphate gradients as critical determinants of the non vesicular transport of various lipids from the ER to other organelles such as the Golgi or PM. As we learn more about membrane contact sites it becomes apparent that Ca2+ is not only transported at these sites but also controls both the dynamics and the lipid transfer efficiency of these processes. Conversely, lipids are critical for regulating the Ca2+ entry process. This review will summarize some of the most exciting recent developments in this rapidly expanding research field. PMID- 29210466 TI - Influence of deficit irrigation and crop load on the yield and fruit quality in Wonderful and Mollar de Elche pomegranates. AB - BACKGROUND: The working hypothesis of the present study was that, by proper simultaneous control of irrigation (hydroSOStainable products) and crop load (thinning), it is possible to promote the accumulation of bioactive compounds and improve fruit appearance (size and weight). The effects of (i) irrigation status [T0, 120% ETc (estimated crop evapotranspiration); T1, 60% ETc during fruit growth and ripening] and (ii) crop load (A0, no thinning; A1, thinning) on yield and fruit quality were evaluated in two pomegranate cultivars (Wonderful, Wond and Mollar de Elche, ME). RESULTS: Thinning was effective in increasing the size and weight of fruits. Unfortunately, neither punicalagin, nor total polyphenolic content were positively affected by irrigation and thinning. T1A1 Wond fruits were characterized by high sugar content (glucose and fructose), together with high fruit size and weight. Furthermore, T1A1 ME fruits were characterized by high contents of alcohols and monoterpenoids (providing vegetal and citric flavor notes) and key sensory attributes (color, fruity and fresh pomegranate). CONCLUSION: The final recommendation was to use the treatment T1A1 [simultaneous combination of deficit irrigation during fruit growth and ripening (T1) and thinning (A1)], although the positive results were cultivar-dependent. (c) 2017 Society of Chemical Industry. PMID- 29210467 TI - Influence of the quality of life and locus of control of mothers of disabled children on the oral health of their children. AB - AIM: To investigate whether quality of life of mothers is related to oral health of disabled children. METHOD: This is an analytical cross-sectional study, based on interviews with 49 mothers and oral clinical examination (DMFT and OHI-S) in children with disabilities from 2 to 6 years old, assisted by the Rehabilitation Center of Piracicaba, SP. Mothers answered WHOQOL BREF quality of life instrument and Multidimensional Health Locus of Control Scale. Data analysis was performed with descriptive statistics, Chi-square test, Fisher's exact test, and multiple logistic regression. RESULT: Most children of the sample were aged from 37 to 48 months (40.81%) and presented neuropsychomotor development delay. Mothers reported (55.1%) that their interference in the health/illness of their children was a fortuitous process. The social relationships domain of WHOQOL BREF presented significant association (p = 0.0404) with DMFT index. CONCLUSION: We observed that quality of life of mothers can interfere in oral health of children, regarding social relationships. PMID- 29210468 TI - Marriage Transitions in Malawi Panel Data. PMID- 29210470 TI - Variable Implementation of Sexuality Education in Three Nigerian States. AB - In 2003, Nigeria adopted the Family Life and HIV Education (FLHE) sexuality education curriculum. Our analysis interrogates variation in sub-national implementation. We conducted 52 interviews with persons knowledgeable about the curriculum in three states-Kano, Lagos, and Niger-and reviewed publications on FLHE. In Kano, the socio-cultural context impeded implementation, but the persistence of innovative local champions resulted in some success. In Lagos, the cosmopolitan context, effective champions, funding by international donors, and a receptive government bureaucracy led to successful implementation. In Niger, despite a relatively conservative socio-cultural context, state bureaucratic bottlenecks overwhelmed proponents' efforts. In summary, the interaction of socio cultural context, domestic champions, adaptive capacity of state bureaucracies, and international funders explains variable implementation of FLHE. The Nigerian experience highlights the need for sexuality education proponents to anticipate and prepare for local opposition and bureaucratic barriers. PMID- 29210471 TI - Child Maltreatment, Problem Behaviors, and Neighborhood Attainment. AB - Using data from a prospective cohort design study of a group of children with documented histories of abuse and neglect (n = 908) and matched controls (n = 667), this paper examines whether problem behaviors (e.g., prostitution, crime, school problems, and homelessness) in young adulthood explain the link between maltreatment in childhood and living in high-risk neighborhoods in middle adulthood. Problem behaviors were assessed at mean age of 29 and neighborhood characteristics were assessed at mean age of 40. Child maltreatment predicted living in less desirable neighborhoods in middle adulthood. Problem behaviors in young adulthood partially mediated the relationship between childhood maltreatment and residence in less desirable neighborhoods in middle adulthood. The direct paths from child maltreatment to neighborhoods were not significant for Black children. For White children, there was a direct relationship between child maltreatment and living in an economically disadvantaged neighborhood. Problem behaviors were a stronger mediator between child maltreatment and living in more disordered and less socially cohesive neighborhoods for Black children, while the problem behaviors were a stronger mediator for living in more economically disadvantaged and less socially cohesive neighborhoods for White children. Further research is needed to understand these racial differences. Interventions should focus on preventing problem behaviors to minimize the risk of residency in high-risk neighborhoods. PMID- 29210472 TI - Hospital pharmacists' and patients' views about what constitutes effective communication between pharmacists and patients. AB - OBJECTIVES: The study's objective was to explore hospital pharmacists' and patients' views about what constitutes effective communication exchanges between pharmacists and patients. METHODS: This was a novel theory-based qualitative study using semi-structured interviews to elicit patients' and pharmacists' perspectives. Pharmacists providing clinical pharmacy services in either inpatient or outpatient settings were recruited first. Eligible patients had been admitted to a study pharmacist's practice area and were prescribed three or more medications to manage a chronic disease(s). Following each pharmacist-patient medication counselling session, semi-structured interviews were held separately with patients and pharmacists. Participants were asked questions intended to explore their views about what constitutes an effective pharmacist-patient conversation. Audio recordings were transcribed verbatim, analysed using a process of inductive thematic analysis and then mapped to Communication Accommodation Theory strategies. Observational notes and reflexive note taking were conducted throughout. KEY FINDINGS: Twelve pharmacists each engaged four individual patients for a total of 48 pharmacist-patient conversations (resulting in 48 separate interviews with pharmacists and patients). An overall shared goal was the assurance of patients' confidence in managing their medications at home. Themes included shared colloquialisms/slang, well-explained information, engagement, established rapport and empowerment. Participants provided rich exemplars for each of the themes. CONCLUSIONS: Pharmacists and patients provided valuable insights about what makes pharmacist-patient interactions effective. Patient-identified preferences for pharmacist-patient exchanges may help guide pharmacy students and practitioners to engage patients in effective conversations. PMID- 29210473 TI - Analysis by metadynamics simulation of binding pathway of influenza virus M2 channel blockers. AB - M2 protein of influenza A virus is a proton channel spanning the viral envelope. Activity of this proton channel is required for uncoating of viral particles and equilibrating the pH across the trans Golgi apparatus, which prevents conformational change in hemagglutinin. Amantadine, an anti-influenza A virus drug, inhibits M2 proton channel activity by binding to the channel pore; however, most currently circulating influenza A viruses are amantadine-resistant. The most prevalent resistant mutation is a substitution from Ser31 to Asn31 in M2. Further atomistic analysis of ligand-M2 complexes is needed to provide new approaches for the design of novel M2 channel blockers. Here, the free energy profiles of the binding kinetics of M2 channel blockers were examined by well tempered metadynamics simulations and it was found that amantadine first binds to Asp24 of S31 M2 and forms a metastable conformation. In contrast, the free energy profiles of adamantyl bromothiophene dual inhibitor with either S31 M2 or N31 M2 are broad funnel-shaped curves, suggesting that adamantyl bromothiophene does not form metastable complexes with M2. The trajectory of well-tempered metadynamics simulations revealed that steric hindrance between adamantyl bromothiophene and S31 M2 interrupts formation of a metastable conformation at Asp24 and that a halogen bond between the bromine atom and N31 is responsible for pulling down the ligand to the channel pore of N31 M2 in the absence of a metastable state. Binding pathways of M2 channel blockers to M2 are here proposed on the basis of these findings; they may provide new approaches to designing further M2 channel blockers. PMID- 29210474 TI - Facilitated Oxygen Chemisorption in Heteroatom-Doped Carbon for Improved Oxygen Reaction Activity in All-Solid-State Zinc-Air Batteries. AB - Driven by the intensified demand for energy storage systems with high-power density and safety, all-solid-state zinc-air batteries have drawn extensive attention. However, the electrocatalyst active sites and the underlying mechanisms occurring in zinc-air batteries remain confusing due to the lack of in situ analytical techniques. In this work, the in situ observations, including X ray diffraction and Raman spectroscopy, of a heteroatom-doped carbon air cathode are reported, in which the chemisorption of oxygen molecules and oxygen containing intermediates on the carbon material can be facilitated by the electron deficiency caused by heteroatom doping, thus improving the oxygen reaction activity for zinc-air batteries. As expected, solid-state zinc-air batteries equipped with such air cathodes exhibit superior reversibility and durability. This work thus provides a profound understanding of the reaction principles of heteroatom-doped carbon materials in zinc-air batteries. PMID- 29210475 TI - A Rational Approach to Metal Loading of Organic Multi-Site Polymers: Illusion or Reality? AB - Since its identification as an independent topic after the first world war, the chemistry of (bio)polymers and macromolecules rapidly benefited from intense synthetic activities driven by contributors focusing on formulation and structural aspects. Satisfying rationalization and predictions concerning polymer organization, stability, and reactivity were, however, delayed until the late fifties, when physical chemists set the basis of an adapted thermodynamic modeling. The recent emergence of metal-containing (bio)organic polymers (i.e., metallopolymers) thus corresponds to a logical extension of this field with the ultimate goal of combining the rich magnetic and optical properties of open-shell transition metals with the processability and structural variety of polymeric organic scaffolds. Since applications as energy storage materials, drug delivery vectors, shape-memory materials, and photonic devices can be easily envisioned for these materials, the development of metallopolymers is faced with some urgency in producing novel exploitable structures, while the rational control of their formation, organization, and transformation remains elusive. Caught between the sometimes antagonistic requirements of economic efficiency on one side and of scientific pertinence on the other side, the ongoing achievements in the control of the metal loadings of multi-site polymers are highlighted here with some tutorial discussions of luminescent lanthanidopolymers as proof-of-concept. PMID- 29210477 TI - The Role of Terminal Functionality in the Membrane and Antibacterial Activity of Peptaibol-Mimetic Aib Foldamers. AB - Peptaibols are peptide antibiotics that typically feature an N-terminal acetyl cap, a C-terminal aminoalcohol, and a high proportion of alpha-aminoisobutyric acid (Aib) residues. To establish how each feature might affect the membrane activity of peptaibols, biomimetic Aib foldamers with different lengths and terminal groups were synthesised. Vesicle assays showed that long foldamers (eleven Aib residues) with hydrophobic termini had the highest ionophoric activity. C-terminal acids or primary amides inhibited activity, while replacement of an N-terminal acetyl with an azide group made little difference. Crystallography showed that N3 Aib11 CH2 OTIPS folded into a 310 helix 2.91 nm long, which is close to the bilayer hydrophobic width. Planar bilayer conductance assays showed discrete ion channels only for N-acetylated foldamers. However long foldamers with hydrophobic termini had the highest antibacterial activity, indicating that ionophoric activity in vesicles was a better indicator of antibacterial activity than the observation of discrete ion channels. PMID- 29210476 TI - Delayed revascularization of islets after transplantation by IL-6 blockade in pig to non-human primate islet xenotransplantation model. AB - BACKGROUND: Pancreatic islet transplantation is currently proven as a promising treatment for type 1 diabetes patients with labile glycemic control and severe hypoglycemia unawareness. Upon islet transplantation, revascularization is essential for proper functioning of the transplanted islets. As IL-6 is important for endothelial cell survival and systemic inflammation related to xenograft, the effect of IL-6 receptor antagonist, tocilizumab, on revascularization of the transplanted islets was examined in pig to non-human primate islet xenotransplantation model. Also, the endothelial cell origin in a new vessel of the transplanted pig islets was determined. METHODS: Pig islets were isolated from designated pathogen-free (DPF) SNU miniature pigs and transplanted via portal vein into five streptozotocin-induced diabetic monkeys. One group (n = 2, basal group) was treated with anti-thymoglobulin (ATG), anti-CD40 antibody (2C10R4), sirolimus, and tacrolimus, and the other group was additionally given tocilizumab on top of basal immunosuppression (n = 3, Tocilizumab group). To confirm IL-6 blocking effect, C-reactive protein (CRP) levels and serum IL-6 concentration were measured. Scheduled biopsy of the margin of the posterior segment right lobe inferior of the liver was performed at 3 weeks after transplantation to assess the degree of revascularization of the transplanted islets. Immunohistochemical staining using anti-insulin, anti-CD31 antibodies, and lectin IB4 was conducted to find the origin of endothelial cells in the islet graft. RESULTS: CRP significantly increased at 1~2 days after transplantation in Basal group, but not in Tocilizumab group, and higher serum IL-6 concentration was measured in latter group, showing the biological potency of tocilizumab. In Basal group, well-developed endothelial cells were observed on the peri- and intraislet area, whereas the number of CD31+ cells in the intraislet space was significantly reduced in Tocilizumab group. Finally, new endothelial cells in the pig islet graft were positive for CD31, but not for lectin IB4, suggesting that they are originated from the recipient monkey. CONCLUSIONS: Our results demonstrated that tocilizumab can delay revascularization of the transplanted islet, although this effect had no significant correlation to the overall islet graft survival. In the pig to NHP islet xenotransplantation model, the endothelial cells from recipient monkey form new blood vessels in and around pig islets. PMID- 29210478 TI - Type 2 diabetes specifically attenuates purinergic skin vasodilatation without affecting muscarinic and nicotinic skin vasodilatation and sweating. AB - NEW FINDINGS: What is the central question of this study? It remains to be determined whether type 2 diabetes attenuates muscarinic and nicotinic cutaneous vasodilatation and sweating as well as purinergic cutaneous vasodilatation. What is the main finding and its importance? We show that type 2 diabetes specifically attenuates purinergic cutaneous vasodilatation without influencing muscarinic and nicotinic cutaneous vasodilatation and sweating. Our results provide valuable new information regarding the receptor-specific influence of type 2 diabetes on microvascular and sudomotor function. ABSTRACT: The present study evaluated whether type 2 diabetes (T2D) attenuates muscarinic and/or nicotinic cutaneous vasodilatation and sweating as well as purinergic cutaneous vasodilatation. Cutaneous vascular conductance and sweat rate were evaluated in 12 healthy non diabetic older adults (Control, 60 +/- 8 years) and 13 older adults with T2D (62 +/- 10 years) at three intradermal forearm skin sites perfused with the following: (i) methacholine (muscarinic receptor agonist, five doses: 0.0125, 0.25, 5, 100 and 2000 mm); (ii) nicotine (nicotinic receptor agonist, five doses: 1.2, 3.6, 11, 33 and 100 mm); or (iii) ATP (purinergic receptor agonist, five doses: 0.03, 0.3, 3, 30 and 300 mm). Each agonist was administered for 25 min per dose. At the end of the protocol, 50 mm sodium nitroprusside was administered to all skin sites to elicit maximal cutaneous vasodilatation. Cutaneous vascular conductance during methacholine and nicotine administration did not differ between groups (all P > 0.05). In contrast, cutaneous vascular conductance during administration of 30 mm (42 +/- 28 versus 63 +/- 26% maximum, P <= 0.05) and 300 mm ATP (56 +/- 24 versus 71 +/- 20% maximum, P <= 0.05) was attenuated in individuals with T2D in comparison to the Control participants. Furthermore, cutaneous vascular conductance during administration of 50 mm sodium nitroprusside was lower in individuals with T2D relative to Control subjects (P = 0.04). Methacholine- and nicotine-induced sweating was similar between groups (all P > 0.05). Thus, T2D attenuates purinergic cutaneous vasodilatation without affecting muscarinic and nicotinic cutaneous vascular and sweating responses. PMID- 29210479 TI - Origin of Fracture-Resistance to Large Volume Change in Cu-Substituted Co3 O4 Electrodes. AB - The electrode materials conducive to conversion reactions undergo large volume change in cycles which restrict their further development. It has been demonstrated that incorporation of a third element into metal oxides can improve the cycling stability while the mechanism remains unknown. Here, an in situ and ex situ electron microscopy investigation of structural evolutions of Cu substituted Co3 O4 supplemented by first-principles calculations is reported to reveal the mechanism. An interconnected framework of ultrathin metallic copper formed provides a high conductivity backbone and cohesive support to accommodate the volume change and has a cube-on-cube orientation relationship with Li2 O. In charge, a portion of Cu metal is oxidized to CuO, which maintains a cube-on-cube orientation relationship with Cu. The Co metal and oxides remain as nanoclusters (less than 5 nm) thus active in subsequent cycles. This adaptive architecture accommodates the formation of Li2 O in the discharge cycle and underpins the catalytic activity of Li2 O decomposition in the charge cycle. PMID- 29210480 TI - Dimeric Drug Polymeric Micelles with Acid-Active Tumor Targeting and FRET Traceable Drug Release. AB - Trans-activating transcriptional activator (TAT), a cell-penetrating peptide, is extensively used for facilitating cellular uptake and nuclear targeting of drug delivery systems. However, the positively charged TAT peptide strongly interacts with serum components and undergoes substantial phagocytosis by the reticuloendothelial system, causing a short blood circulation in vivo. In this work, an acid-active tumor targeting nanoplatform DA-TAT-PECL is developed to inhibit the nonspecific interactions of TAT in the bloodstream. 2,3 dimethylmaleic anhydride (DA) is used to convert the TAT's amines to carboxylic acid; the resulting DA-TAT is conjugated to poly(ethylene glycol)-poly(epsilon caprolactone) (PEG-PCL, PECL) to get DA-TAT-PECL. After self-assembly into polymeric micelles, they are capable of circulating in the physiological condition for a long time and promoting cell penetration upon accumulation at the tumor site and deshielding the DA group. Moreover, camptothecin (CPT) is used as the anticancer drug and modified into a dimer (CPT)2 -ss-Mal, in which two CPT molecules are connected by a reduction-labile maleimide thioether bond. The Forster resonance energy transfer signal between CPT and maleimide thioether bond is monitored to visualize the drug release process, and effective targeted delivery of antitumor drugs is demonstrated. This pH/reduction dual-responsive micelle system provides a new platform for high fidelity cancer therapy. PMID- 29210481 TI - A Toroidal Metamaterial Switch. AB - Toroidal dipole is a localized electromagnetic excitation that plays an important role in determining the fundamental properties of matter due to its unique potential to excite nearly nonradiating charge-current configuration. Toroidal dipoles are recently discovered in metamaterial systems where it is shown that these dipoles manifest as poloidal currents on the surface of a torus and are distinctly different from the traditional electric and magnetic dipoles. Here, an active toroidal metamaterial switch is demonstrated in which the toroidal dipole can be dynamically switched to the fundamental electric dipole or magnetic dipole, through selective inclusion of active elements in a hybrid metamolecule design. Active switching of nonradiating toroidal configuration into highly radiating electric and magnetic dipoles can have significant impact in controlling the electromagnetic excitations in free space and matter that can have potential applications in designing efficient lasers, sensors, filters, and modulators. PMID- 29210482 TI - Genomic analysis of a case of agminated Spitz nevi and congenital-pattern nevi arising in extensive nevus spilus. AB - Nevus spilus is a melanocytic neoplasm characterized by a tan macular background punctuated by multiple hyperpigmented macules or papules that represent various types of nevi. These include junctional and compound nevi, Spitz nevi, and rarely blue nevi. We report a unique case of widespread, multiple nevi spili giving rise to agminated Spitz nevi and congenital-pattern compound nevi. We performed genetic analysis to further characterize the mutational profile of this rare entity. PMID- 29210483 TI - The position of reporting guidelines in qualitative nursing research. PMID- 29210484 TI - A Molecular Pillar Approach To Grow Vertical Covalent Organic Framework Nanosheets on Graphene: Hybrid Materials for Energy Storage. AB - Hybrid 2D-2D materials composed of perpendicularly oriented covalent organic frameworks (COFs) and graphene were prepared and tested for energy storage applications. Diboronic acid molecules covalently attached to graphene oxide (GO) were used as nucleation sites for directing vertical growth of COF-1 nanosheets (v-COF-GO). The hybrid material has a forest of COF-1 nanosheets with a thickness of 3 to 15 nm in edge-on orientation relative to GO. The reaction performed without molecular pillars resulted in uncontrollable growth of thick COF-1 platelets parallel to the surface of GO. The v-COF-GO was converted into a conductive carbon material preserving the nanostructure of precursor with ultrathin porous carbon nanosheets grafted to graphene in edge-on orientation. It was demonstrated as a high-performance electrode material for supercapacitors. The molecular pillar approach can be used for preparation of many other 2D-2D materials with control of their relative orientation. PMID- 29210485 TI - A novel finding of oligodontia and ankyloglossia in a 14-year-old with Floating Harbor syndrome. AB - Floating-Harbor syndrome (FHS) is a rare genetic condition characterized by distinct facial features, short stature and delayed skeletal development. Here we present case of a 14-year-old boy with short stature, typical facial features, impaired voice quality, clinodactyly, cryptorchidism and unilateral agenesis of kidney. In addition he had oligodontia and ankyloglossia with features suggestive of FHS. Treatment rendered was restoration of caries, application of pit and fissure sealants followed by frenectomy. The purpose of this report is to highlight the oral developmental anomalies and the management of a patient with FHS and to add to the current knowledge of the literature on this syndrome. PMID- 29210486 TI - 4D Printed Actuators with Soft-Robotic Functions. AB - Soft matter elements undergoing programed, reversible shape change can contribute to fundamental advance in areas such as optics, medicine, microfluidics, and robotics. Crosslinked liquid crystalline polymers have demonstrated huge potential to implement soft responsive elements; however, the complexity and size of the actuators are limited by the current dominant thin-film geometry processing toolbox. Using 3D printing, stimuli-responsive liquid crystalline elastomeric structures are created here. The printing process prescribes a reversible shape-morphing behavior, offering a new paradigm for active polymer system preparation. The additive character of this technology also leads to unprecedented geometries, complex functions, and sizes beyond those of typical thin-films. The fundamental concepts and devices presented therefore overcome the current limitations of actuation energy available from thin-films, thereby narrowing the gap between materials and practical applications. PMID- 29210487 TI - Protection Group Effects During alpha,gamma-Diol Lignin Stabilization Promote High-Selectivity Monomer Production. AB - Protection groups were introduced during biomass pretreatment to stabilize lignin's alpha,gamma-diol group during its extraction and prevent its condensation. Acetaldehyde and propionaldehyde stabilized the alpha,gamma-diol without any aromatic ring alkylation, which significantly increased final product selectivity. The subsequent hydrogenolysis catalyzed by Pd/C generated lignin monomers at near-theoretical yields based on Klason lignin (48 % from birch, 20 % from spruce, 70 % from high-syringyl transgenic poplar), and with high selectivity to a single 4-n-propanolsyringol product (80 %) in the case of the poplar. Unlike direct hydrogenation of native wood, hydrogenolysis of protected lignin with Ni/C also led to high selectivity to this single product (78 %), paving the way to high-selectivity lignin upgrading with base metal catalysts. The use of extracted lignin facilitated valorization of polysaccharides, leading to high yields of all three major biomass polymers to a single major product. PMID- 29210488 TI - Acute polyneuromyopathy with respiratory failure secondary to monensin intoxication in a dog. AB - OBJECTIVE: To describe a successfully managed case of polyneuropathy and respiratory failure secondary to presumed monensin intoxication. CASE SUMMARY: A 9-month-old Australian Shepherd was evaluated for progressive generalized weakness and respiratory distress. Several days preceding presentation, the dog was seen playing with a monensin capsule, and had free access to a barn where the product was stored and where chewed capsules were subsequently found. The dog was presented with flaccid tetraparesis, hyperthermia, and severe respiratory distress. Bloodwork and urinalysis revealed marked increase in serum creatine kinase concentration and presumed myoglobinuria. Cardiac troponin I level was markedly increased. Management included mechanical ventilation for 5 days, fluid therapy, active cooling, antimicrobial therapy, analgesia, gastroprotectants, antiemetics, enteral feedings, continuous nursing care, and physiotherapy. Intravenous lipid rescue therapy was administered with lack of improvement in respiratory function and muscle strength. The patient completely recovered and was discharged after 12 days of hospitalization. NEW OR UNIQUE INFORMATION PROVIDED: Monensin intoxication should be considered in the differential diagnosis of acute polyneuromyopathy and respiratory failure in dogs with access to this compound. Respiratory failure secondary to monensin intoxication does not necessarily carry a poor prognosis if mechanical ventilation can be provided as a bridge until return of respiratory function is achieved. PMID- 29210489 TI - Effects of Temperature and Photorepair Radiation on a Marine Ciliate Exposed to UVB Radiation. AB - The influences of intensity and repeated exposure to ultraviolet-B radiation (UVB), photoreactivating repair radiation (PRR), and temperature on the scuticociliate Parauronema acutum were explored under laboratory conditions. Population growth was negatively affected after exposure to the equivalent of one sunny summer day of ambient UVB, especially in the absence of PRR. Repeated daily exposure to UVB severely compromised ciliate survival. UVB-exposed treatments without PRR recovered slower and reached lower final abundances than treatments receiving PRR. Reducing the daily UVB exposure approximately 25% improved ciliate recovery after exposure. In the single exposure treatments, temperature effects were not consistent, except that growth was slowest for control and treatments at the lowest temperature (15 degrees C). These data suggest that dark repair and/or photoprotection are present in P. acutum, but photoenzymatic repair was the more effective mechanism in reversing UVB damage. Repeated exposure treatments without PRR had zero or declining growth at all temperatures (15, 20 and 25 degrees C), as did those with PRR at 15 degrees C. Significant temperature/dose differences were identified in the repeated exposure treatments; ciliates subjected to the higher UVB intensity with PRR survived only at 25 degrees C, while ciliate populations under reduced UVB increased at 20 and 25 degrees C. PMID- 29210490 TI - Thermally Labile Self-Healable Branched Gel Networks Fabricated by New Macromolecular Engineering Approach Utilizing Thermoreversibility. AB - A new approach based on macromolecular engineering through thermoreversibility is reported to fabricate the engineered gel networks of thermally labile branched polymers exhibiting robust self-healing. This approach centers on the synthesis of linear polymers having Diels-Alder cycloadducts in the backbones (DALPs) through A2 + B2 step-growth polymerization of a difunctional furan and a difunctional maleimide. Reactive mixtures of the resulting DALP with a polyfuran at elevated temperature allow for the formation of engineered gel networks through random dissociation of backbone DA linkages of the DALPs by retro-Diels Alder reaction, followed by their reconstruction in the presence of polyfuran (with functionality > 2) by Diels-Alder reaction. Optimizing the ratio of furan to DA linkages in the reactive mixtures yields thermally labile networks exhibiting excellent thermoreversibility. Effective self-healing demonstrated with reconstruction from two separate pieces and complete void filling on surface cuts as well as recovery of healing viscoelasticity suggest that the new macromolecular engineering approach offers versatility toward the development of thermally mendable thermosets. PMID- 29210491 TI - Multicompartment Vesicles Formation by Emulsification-Induced Assembly of Poly(ethylene oxide)-block-poly(epsilon-caprolactone) and Their Dual-Loading Capability. AB - Emulsification-induced assembly is employed to allow structural diversity in nanoaggregates of a biocompatible amphiphilic polymer, poly(ethylene oxide)-block poly(epsilon-caprolactone). Onion-like vesicles are efficiently produced by tuning the interfacial instability of the oil-in-water emulsion. The increase in the polymer concentration and use of the organic solvents with a low interfacial tension between water and the oil phase lead to a strong tendency of emulsion droplets to generate the onion-like vesicles. The vesicular networks and fibers are also obtained by controlling the concentration and type of the surfactant, respectively. Interestingly, the onion-like vesicles composed of alternating walls and water channels and the vesicular networks originated from a string of vesicles show dual-loading ability for hydrophobic and hydrophilic dyes but slightly different loading capacities. This result indicates that the development of a methodology to fabricate well-defined, unique nanostructures, such as multivesicular and multilamellar nanostructures, and subsequent elucidation of their structure-property relationships can provide useful guidance in the design of novel biomedical materials. PMID- 29210492 TI - Well-paid nurses are good nurses. AB - Some recent articles suggest that increasing wage in the nursing market with the aim of reducing shortage can negatively impact on the average ability and motivation of applicants attracted and, in turn, on the average quality of care. This finding is at odds with empirical evidence and has been criticized on the grounds that nurses' motivation is modeled in an overly simplistic way. This paper provides a novel theoretical framework where the orientation of nurses' motivation-intrinsic versus extrinsic-is taken into account, and the precise distinction between intrinsic and extrinsic motivation is delineated on the basis of self-determination and person-environment fit theories. Conditions are derived under which high wages attract able and motivated individuals, thus maximizing the average quality of care. PMID- 29210493 TI - Custom 3D Printable Silicones with Tunable Stiffness. AB - Silicone elastomers have broad versatility within a variety of potential advanced materials applications, such as soft robotics, biomedical devices, and metamaterials. A series of custom 3D printable silicone inks with tunable stiffness is developed, formulated, and characterized. The silicone inks exhibit excellent rheological behavior for 3D printing, as observed from the printing of porous structures with controlled architectures. Herein, the capability to tune the stiffness of printable silicone materials via careful control over the chemistry, network formation, and crosslink density of the ink formulations in order to overcome the challenging interplay between ink development, post processing, material properties, and performance is demonstrated. PMID- 29210494 TI - Systematic review of aged care interventions for older prisoners. AB - OBJECTIVE: The care of older prisoners is a growing problem. This review examined aged care interventions in prisons. METHODS: A systematic review was conducted following preferred reporting items for systematic reviews and meta-analyses guidelines. A total of 1186 abstracts were screened for inclusion. Quantitative and qualitative studies were included. RESULTS: Two quantitative studies and five qualitative studies examined aged care interventions (n = 7). An intervention involving physical health activities was not effective in reducing distress compared to a control, and an intervention of psychosocial, physical and spiritual health activities for veterans was not effective when compared to a comparison group. Qualitative analysis generated themes that apply to best practices: addressing older prisoners' needs, identifying barriers for older prisoners and staff, considering the prison culture, program delivery and cultivating older prisoners and staff attitudes. CONCLUSION: This review found no significant interventions in prisons. However, the qualitative findings showed evidence of best practice. PMID- 29210495 TI - Total Synthesis of Bryostatin 8 Using an Organosilane-Based Strategy. AB - Convergent total synthesis of bryostatin 8 has been accomplished by an organosilane-based strategy. The C ring is constructed stereoselectively through a geminal bis(silane)-based [1,5]-Brook rearrangement, and the B ring through geminal bis(silane)-based Prins cyclization, thus efficiently joining the northern and southern parts of the molecule. PMID- 29210496 TI - Structure Re-determination and Superconductivity Observation of Bulk 1T MoS2. AB - 2H MoS2 has been intensively studied because of its layer-dependent electronic structures and novel physical properties. Though the metastable 1T MoS2 with a [MoS6 ] octahedron was observed over the microscopic area, the true crystal structure of 1T phase has not been strictly determined. Moreover, the true physical properties have not been demonstrated from experiments owing to the challenge for the preparation of pure 1T MoS2 crystals. 1T MoS2 single crystals were successfully synthesized and the crystal structure of 1T MoS2 re-determined from single-crystal X-ray diffraction. 1T MoS2 crystallizes in the space group P3? m1 with a cell of a=b=3.190(3) A and c=5.945(6) A. The individual MoS2 layer consists of MoS6 octahedra sharing edges with each other. More surprisingly, the bulk 1T MoS2 crystals undergo a superconducting transition of Tc =4 K, which is the first observation of superconductivity in pure 1T MoS2 phase. PMID- 29210497 TI - Dengue in Rio Grande do Sul, Brazil: 2014 to 2016. AB - The first autochthonous dengue case in Rio Grande do Sul (RS), Southern Brazil, occurred in 2007. In 2008 and 2009, only imported cases were reported in RS, but from 2010 to 2013, reports of autochthonous infections increased significantly. This study analyzes and discusses laboratory, demographic, and clinical data regarding dengue cases in RS, from 2014 to 2016. This study analyzed 13,420 serum samples from notified patients with suspicion of dengue fever in RS from 2014 to 2016. Seasonality of positive cases, viral serotypes, and clinical and epidemiological aspects were analyzed. There was no difference in gender (P = .4); dengue fever occurred mainly in adults, with similar distribution among age groups. The number of dengue virus (DENV) cases increased from 89 cases in 2014 to 2518 in 2016. Dengue virus 1 was the most prevalent circulating serotype during this period (97.5% of cases). Dengue virus infections show peaks in March and April (late summer and early autumn), after periods of high temperatures and rainfall. In 2014, dengue cases were concentrated in the northwestern and eastern regions of RS, and in 2015 and 2016, the northern region also confirmed a high number of cases. With increase in DENV circulation in RS, a rise in the number of autochthonous infections was also observed, mainly in highly urbanized areas. This study revealed that circulation of DENV in RS increased significantly in 2015 and 2016, with a rise in the number of autochthonous infections and cocirculation with Chikungunya and Zika viruses, recently introduced into RS. PMID- 29210498 TI - Ultrahigh Flux Composite Hollow Fiber Membrane via Highly Crosslinked PDMS for Recovery of Hydrocarbons: Propane and Propene. AB - In order to make membrane separation technologies more cost-competitive with the well-established processes that are energy intensive for gas/vapor separation, a defect-free membrane with a high gas permeance is necessary. However, it remains challenging to meet these needs because of the difficulties in developing a suitable material and process that are economical and practical. Herein, a novel and straightforward strategy is presented to produce a defect-free hollow fiber composite membrane using a highly crosslinked polydimethylsiloxane (PDMS) synthesized by using a postcrosslinking method. The PDMS can be directly coated on a polyacrylonitrile (PAN) membrane substrate, and the resultant PDMS/PAN composite membrane has ultrahigh C3 H8 and C3 H6 permeances that are higher than 10 000 and 11 000 GPU, respectively, and the corresponding permselectivity of C3 H8 /N2 and C3 H6 /N2 are about 21 and 24, respectively. The newly developed methods and materials may open up a new cost-effective method to fabricate next generation composite membranes for the recovery of hydrocarbons, organic vapors, and gases. PMID- 29210499 TI - Supramolecular "Step Polymerization" of Preassembled Micelles: A Study of "Polymerization" Kinetics. AB - In nature, sophisticated functional materials are created through hierarchical self-assembly of nanoscale motifs, which has inspired the fabrication of man-made materials with complex architectures for a variety of applications. Herein, a kinetic study on the self-assembly of spindle-like micelles preassembled from polypeptide graft copolymers is reported. The addition of dimethylformamide and, subsequently, a selective solvent (water) can generate a "reactive point" at both ends of the spindles as a result of the existence of structural defects, which induces the "polymerization" of the spindles into nanowires. Experimental results combined with dissipative particle dynamics simulations show that the polymerization of the micellar subunits follows a step-growth polymerization mechanism with a second-order reaction characteristic. The assembly rate of the micelles is dependent on the subunit concentration and on the activity of the reactive points. The present work reveals a law governing the self-assembly kinetics of micelles with structural defects and opens the door for the construction of hierarchical structures with a controllable size through supramolecular step polymerization. PMID- 29210500 TI - Stretchable Fluorescent Polyfluorene/Acrylonitrile Butadiene Rubber Blend Electrospun Fibers through Physical Interaction and Geometrical Confinement. AB - Stretchable light-emitting polymers are important for wearable electronics; however, the development of intrinsic stretchable light-emitting materials with great performance under large applied strain is the most critical challenge. Herein, this study demonstrates the fabrication of stretchable fluorescent poly[(9,9-bis(3'-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctyl fluorene)]/acrylonitrile butadiene rubber (PFN/NBR) blend nanofibers using the uniaxial electrospinning technique. The physical interaction of PFN with NBR and the geometrical confinement of nanofibers are employed to reduce PFN aggregation, leading to the high photoluminescence quantum yield of 35.7%. Such fiber mat film shows stable blue emission at the 50% strain for 200 stretching/release cycles, which has potential applications in smart textiles. PMID- 29210501 TI - Women's Experiences of Seeking and Receiving Psychological and Psychosocial Interventions for Postpartum Depression: A Systematic Review and Thematic Synthesis of the Qualitative Literature. AB - INTRODUCTION: Postpartum depression (PPD) is a serious maternal disorder that can have adverse effects on maternal and infant health. The importance of offering effective and acceptable treatments is well recognized, particularly given the numerous barriers women in many settings face in accessing interventions for PPD. The aim of this systematic review was to synthesize qualitative research exploring women's experiences of professional psychological and psychosocial support for PPD. METHODS: A systematic review of the literature was conducted in April 2017 by searching 5 electronic databases (CINAHL, MEDLINE, PubMed, Ovid, and Web of Science). Qualitative research studies published in English that explored women's experiences of professional psychosocial support for PPD were included, whereas studies exploring women's experiences of antidepressant medication only were excluded. Seventeen articles met inclusion criteria and were appraised for methodologic quality. Data were synthesized using the interpretive thematic synthesis method. RESULTS: Four main themes were identified: the process of help-seeking, barriers to seeking and accepting support, valued aspects of support, and outcomes. Women found the process of seeking help difficult, with several barriers preventing them from both seeking and accepting professional support. Despite this, women described the support received as beneficial and particularly valued the therapeutic relationship. Women reported 1) feeling more positive and confident after receiving a psychological and/or psychosocial intervention and 2) experiencing better relationships with their infant and other family members. DISCUSSION: Although seeking and accepting professional support for PPD was a difficult process, women highly valued mental health care support and perceived it as beneficial. Clinical services should aim to address the barriers women face in accessing mental health care and empower women to feel in control throughout the process, offering interventions appropriate to each woman's personal circumstance. PMID- 29210502 TI - Three-Dimensional Static Articulation Accuracy of Virtual Models-Part II: Effect of Model Scanner-CAD Systems and Articulation Method. AB - PURPOSE: Accurate maxillomandibular relationship transfer is important for CAD/CAM prostheses. This study compared the 3D-accuracy of virtual model static articulation in three laboratory scanner-CAD systems (Ceramill Map400 [AG], inEos X5 [SIR], Scanner S600 Arti [ZKN]) using two virtual articulation methods: mounted models (MO), interocclusal record (IR). MATERIALS AND METHODS: The master model simulated a single crown opposing a 3-unit fixed partial denture. Reference values were obtained by measuring interarch and interocclusal reference features with a coordinate measuring machine (CMM). MO group stone casts were articulator mounted with acrylic resin bite registrations while IR group casts were hand articulated with poly(vinyl siloxane) bite registrations. Five test model sets were scanned and articulated virtually with each system (6 test groups, 15 data sets). STL files of the virtual models were measured with CMM software. dRR , dRC , and dRL , represented interarch global distortions at right, central, and left sides, respectively, while dRM , dXM , dYM , and dZM represented interocclusal global and linear distortions between preparations. RESULTS: Mean interarch 3D distortion ranged from -348.7 to 192.2 MUm for dRR , -86.3 to 44.1 MUm for dRC , and -168.1 to 4.4 MUm for dRL . Mean interocclusal distortion ranged from -257.2 to -85.2 MUm for dRM , -285.7 to 183.9 MUm for dXM , -100.5 to 114.8 MUm for dYM , and -269.1 to -50.6 MUm for dZM . ANOVA showed that articulation method had significant effect on dRR and dXM , while system had a significant effect on dRR , dRC , dRL , dRM , and dZM . There were significant differences between 6 test groups for dRR, dRL dXM , and dZM . dRR and dXM were significantly greater in AG IR, and this was significantly different from SIR-IR, ZKN-IR, and all MO groups. CONCLUSIONS: Interarch and interocclusal distances increased in MO groups, while they decreased in IR groups. AG-IR had the greatest interarch distortion as well as interocclusal superior-inferior distortion. The other groups performed similarly to each other, and the overall interarch distortion did not exceed 0.7%. In these systems and articulation methods, interocclusal distortions may result in hyper- or infra-occluded prostheses. PMID- 29210504 TI - Endoscopic modified Lothrop procedure after failure of primary endoscopic sinus surgery: a meta-analysis. AB - BACKGROUND: The endoscopic modified Lothrop procedure (EMLP) has been used as a salvage technique for frontal sinusitis following failed endoscopic sinus surgery (ESS). We aim to examine the safety and efficacy of the EMLP following failure of primary ESS. METHODS: All English-language publications from 2000 to 2016 reporting the use of EMLP after primary ESS were identified using the PubMed database and evaluated per Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Random effects summaries of patient demographics, comorbidities, and surgical outcomes were obtained through meta analysis. RESULTS: Eleven studies constituting 778 patients were included and 86.5% had chronic rhinosinusitis (CRS). Mean follow-up duration was 28.4 months. The mean number of surgeries prior to EMLP was 3.5. Symptom improvement was reported in 82.3%. Subgroup analysis of 7 studies in which all 357 patients had CRS revealed a mean follow-up of 31.5 months. Symptom improvement occurred in 75.9% of cases and 23.1% experienced polyp recurrence. The cerebrospinal fluid leak rate was 2.5%. Restenosis of the neo-ostium occurred in 17.1% with complete closure occurring in 3.9% of cases. The reoperation rate after EMLP was 9.0%. Aspirin sensitivity was associated with an increased risk of cerebrospinal fluid (CSF) leak (p = 0.0339) and a reduced incidence of neo-ostium closure (p = 0.0001). Aspirin sensitivity and asthma were associated with a reduced incidence of reoperation (p <= 0.001) and increased symptom improvement (p < 0.005). Restenosis or closure of the frontal neo-ostium was associated with less symptom improvement (p < 0.04) but not with reoperation. CONCLUSION: The EMLP is an effective salvage procedure for refractory frontal sinusitis based on data from higher-volume centers. PMID- 29210503 TI - Efficient Yttrium(III) Chloride-Treated TiO2 Electron Transfer Layers for Performance-Improved and Hysteresis-Less Perovskite Solar Cells. AB - Hybrid organic-inorganic metal halide perovskite solar cells have attracted widespread attention, owing to their high performance, and have undergone rapid development. In perovskite solar cells, the charge transfer layer plays an important role for separating and transferring photogenerated carriers. In this work, an efficient YCl3 -treated TiO2 electron transfer layer (ETL) is used to fabricate perovskite solar cells with enhanced photovoltaic performance and less hysteresis. The YCl3 -treated TiO2 layers bring about an upward shift of the conduction band minimum (ECBM ), which results in a better energy level alignment for photogenerated electron transfer and extraction from the perovskite into the TiO2 layer. After optimization, perovskite solar cells based on the YCl3 -treated TiO2 layers achieve a maximum power conversion efficiency of about 19.99 % (19.29 % at forward scan) and a steady-state power output of about 19.6 %. Steady-state and time-resolved photoluminescence measurements and impedance spectroscopy are carried out to investigate the charge transfer and recombination dynamics between the perovskite and the TiO2 electron transfer layer interface. The improved perovskite/TiO2 ETL interface with YCl3 treatment is found to separate and extract photogenerated charge rapidly and suppress recombination effectively, which leads to the improved performance. PMID- 29210505 TI - Pulmonary aspiration of sinus secretions in patients with cystic fibrosis. AB - BACKGROUND: Indirect evidence suggests that sinonasal secretions are aspirated into the lungs of patients with cystic fibrosis (CF), contributing to infection, subsequent tissue damage, and decreased lung function. Our objective is to determine whether sinonasal secretions are transferred to the lungs in patients with CF-related sinus disease and healthy subjects, particularly in the recumbent position and during sleep. METHODS: We performed a prospective, controlled trial to detect pulmonary aspiration of radiolabeled albumin applied to the nasal mucosa of study subjects with chronic sinusitis related to CF and control subjects without sinus disease. Radioactive counts were measured in the lungs and compared to background counts in both groups after 8 hours of rest/sleep. RESULTS: Complete data was collected on 12 CF patients and 6 controls. Eleven patients with CF demonstrated higher lung counts than background counts. The average counts of radiolabeled albumin in the lungs of CF patients were significantly greater than background counts (p = 0.03). Controls did not demonstrate this finding (p > 0.90), with only one-half demonstrating lung counts greater than background counts. CONCLUSION: This study provides direct evidence of aspiration of sinonasal secretions into the lungs of patients with CF and healthy adults in the recumbent position. The fact that both patients and controls aspirated secretions suggests that aspiration alone does not account for the pathogenesis of lung disease in CF patients. PMID- 29210506 TI - Generation of new glutinous rice by CRISPR/Cas9-targeted mutagenesis of the Waxy gene in elite rice varieties. AB - In rice, amylose content (AC) is controlled by a single dominant Waxy gene. We used Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR associated 9 (Cas9) to introduce a loss-of-function mutation into the Waxy gene in two widely cultivated elite japonica varieties. Our results show that mutations in the Waxy gene reduce AC and convert the rice into glutinous ones without affecting other desirable agronomic traits, offering an effective and easy strategy to improve glutinosity in elite varieties. Importantly, we successfully removed the transgenes from the progeny. Our study provides an example of generating improved crops with potential for commercialization, by editing a gene of interest directly in elite crop varieties. PMID- 29210508 TI - Phelan-McDermid syndrome and cancer predisposition: The value of a karyotype. PMID- 29210507 TI - Acceptability of multiple micronutrient powders and iron syrup in Bihar, India. AB - Nearly two thirds of young children are anaemic in Bihar, India. Paediatric iron and folic acid syrup (IFAS) and multiple micronutrient powders (MNPs) are two evidence-based interventions to prevent anaemia. Using a randomized crossover design, we examined the acceptability of IFAS versus MNPs for children 6-23 months. In a catchment area of 2 health centres in Bihar, health front-line workers (FLWs) delivered either (a) IFAS twice weekly or (b) MNPs for 1 month followed by the other supplementation strategy for 1 month to the same families (NCT02610881). Household surveys were conducted at baseline (N = 100), 1 month after receiving the first intervention (1 month; N = 95), and 1 month after the second intervention (2 months; N = 93). Focus group discussions (10 FLWs) and in depth interviews (20 mothers) were held at 1 and 2 months. We used chi-square and Fisher exact tests to test mothers' product preferences. Qualitative data were analysed using MaxQDA and Excel employing a thematic analysis approach. There was high adherence and acceptability for both products (>80%). There was no significant difference in preference (p < .05) on perceived benefits (39% MNPs, 40% IFAS), side effects (30% MNPs, 30% IFAS), ease of use (42% IFAS, 31% MNPs), child preference (45% IFAS, 37% MNPs), and maternal preference (44% IFAS, 34% MNPs). Mothers and FLWs indicated that the direct administration of IFAS ensured that children consumed the full dose, and MNPs intake depended on the quantity of food consumed, especially among younger children, which emphasizes the need to integrate supplementation with the promotion of optimal child feeding practices. PMID- 29210510 TI - Glycosaminoglycan and Proteoglycan-Based Biomaterials: Current Trends and Future Perspectives. AB - Proteoglycans and their glycosaminoglycans (GAG) are essential for life as they are responsible for orchestrating many essential functions in development and tissue homeostasis, including biophysical properties and roles in cell signaling and extracellular matrix assembly. In an attempt to capture these biological functions, a range of biomaterials are designed to incorporate off-the-shelf GAGs, typically isolated from animal sources, for tissue engineering, drug delivery, and regenerative medicine applications. All GAGs, with the exception of hyaluronan, are present in the body covalently coupled to the protein core of proteoglycans, yet the incorporation of proteoglycans into biomaterials remains relatively unexplored. Proteoglycan-based biomaterials are more likely to recapitulate the unique, tissue-specific GAG profiles and native GAG presentation in human tissues. The protein core offers additional biological functionality, including cell, growth factor, and extracellular matrix binding domains, as well as sites for protein immobilization chemistries. Finally, proteoglycans can be recombinantly expressed in mammalian cells and thus offer genetic manipulation and metabolic engineering opportunities for control over the protein and GAG structures and functions. This Progress Report summarizes current developments in GAG-based biomaterials and presents emerging research and future opportunities for the development of biomaterials that incorporate GAGs presented in their native proteoglycan form. PMID- 29210509 TI - Arboviruses and their related infections in China: A comprehensive field and laboratory investigation over the last 3 decades. AB - Since the 1980s, a comprehensive field and laboratory investigation has been conducted throughout China, and a total of 29 virus species belonging to 7 families and 13 genera were identified through virological, morphological, and immunological methods, as well as whole-genome sequencing and molecular genetic analyses. Most of the virus isolates belong to 9 genera in the families Flaviviridae, Bunyaviridae, Togaviridae, and Reoviridae. Among them, 4 genera (Orthobunyavirus, Bunyavirus, Phlebovirus, and Nairovirus) belong to the family Bunyaviridae and 3 genera (Seadonavirus, Orbivirus, and Cypovirus) belong to the family Reoviridae. Analyses of the relationships between viruses and human/animal diseases indicated that Japanese encephalitis virus, dengue virus, severe fever with thrombocytopenia syndrome virus, tick-borne encephalitis virus, Crimean Congo hemorrhagic fever virus, West Nile virus, and Tahyna virus can cause human and animal infections and disease epidemics in China. This review systematically introduces the current status of the diversity and geographical distribution of arboviruses and vectors in China. In addition, our results provide strong technical support for the prevention and control of arboviral diseases, the treatment of epidemics, and the early warning and prediction of diseases, and so they are significant for the control and prevention of arboviral diseases in Asia and around the world. PMID- 29210511 TI - Enhanced Fluorescence Properties of Stilbene-Containing Alternating Copolymers. AB - In recent years, nonconjugated, fluorophore-free organic polymers have emerged as potentially useful light-emitting materials. The fluorescence properties of a novel class of nonconjugated, tert-butyl carboxylate functionalized stilbene containing alternating copolymers are investigated in this work. These sterically crowded, semi-rigid copolymers exhibit very strong blue fluorescence in organic solvents upon irradiation. The origin of the fluorescent band with high quantum yield is attributed to the "through space" pi-pi interactions between the phenyl rings from the stilbene and C?O groups from the anhydride groups. To the best of our knowledge, the di-tert-butyl group-containing stilbene and maleic anhydride alternating copolymer showed one of the highest fluorescent intensities among all fluorophore-free polymers. The excellent linearity of the luminescence property of this copolymer is an important attribute for future potential quantitative applications. The fluorescence is maintained when the tert-butyl groups are removed and the resulting carboxylic acid-functionalized copolymer is dissolved in water at neutral pH, which can render these copolymers as attractive candidates for diagnostic and therapeutic applications. PMID- 29210512 TI - Auditory evoked potentials in children and adolescents with Down syndrome. AB - Down syndrome, or trisomy 21, is the most common genetic alteration in humans. The syndrome presents with several features, including hearing loss and changes in the central nervous system, which may affect language development in children and lead to school difficulties. The present study aimed to investigate group differences in the central auditory system by long-latency auditory evoked potentials and cognitive potential. An assessment of 23 children and adolescents with Down syndrome was performed, and a control group composed of 43 children and adolescents without genetic and/or neurological changes was used for comparison. All children underwent evaluation with pure tone and vocal audiometry, acoustic immitance measures, long-latency auditory evoked potentials, and cognitive potential. Longer latencies of the waves were found in the Down syndrome group than the control group, without significant differences in amplitude, suggesting that individuals with Down syndrome have difficulty in discrimination and auditory memory. It is, therefore, important to stimulate and monitor these children in order to enable adequate development and improve their life quality. We also emphasize the importance of the application of auditory evoked potentials in clinical practice, in order to contribute to the early diagnosis of hearing alterations and the development of more research in this area. PMID- 29210513 TI - The efficacy of a novel budesonide chitosan gel on wound healing following endoscopic sinus surgery. AB - BACKGROUND: Adhesion formation and ostial stenosis are common causes of surgical failure after endoscopic sinus surgery (ESS). Postoperative topical steroid application has been shown to improve wound healing. Chitosan-dextran gel (CD gel) is an effective hemostatic nasal dressing. This study aims to determine the effect of the addition of budesonide to CD gel on postoperative ostial stenosis and adhesion formation following ESS. METHODS: This prospective, blinded, randomized controlled trial was conducted between October 2012 and April 2015. Thirty-six patients over 18 years undergoing ESS were randomized to receive either: no treatment, CD gel, CD gel with 1 mg/ 2 mL budesonide, or topical steroid cream to their left or right sinuses (different treatment each side). Each sinus ostium and endoscopic features of wound healing was measured intraoperation, and 2 weeks, 3 months, and 12 months postoperation. RESULTS: Data was analyzed using the analysis of variance (ANOVA) and post hoc Tukey honestly significant difference (HSD) tests. There was a significant reduction in stenosis within all 3 sinuses ostia sites when CD + budesonide was compared to control, with the greatest effect seen at 12 months: The mean +/- standard deviation (SD) percentage of baseline areas at 12 months were 76% +/- 6.2% vs 37% +/- 23.5%, 76% +/- 6.3% vs 52% +/- 4.9%, and 83% +/- 6.5% vs 58% +/- 5.0% (all p < 0.05), for CD + budesonide compared to control in the frontal, sphenoid, and maxillary sinuses, respectively. The incidence of adhesions was 4% in the CD + budesonide group compared to 15% in the control group. CONCLUSION: This study has shown that CD gel, when combined with topical budesonide solution, improves long-term sinus ostial patency and prevents ostial stenosis post-ESS. PMID- 29210514 TI - 30 s Response Time of K+ Ion-Selective Hydrogels Functionalized with 18-Crown-6 Ether Based on QCM Sensor. AB - Potassium detection is critical in monitoring imbalances in electrolytes and physiological status. The development of rapid and robust potassium sensors is desirable in clinical chemistry and point-of-care applications. In this study, composite supramolecular hydrogels are investigated: polyethylene glycol methacrylate and acrylamide copolymer (P(PEGMA-co-AM)) are functionalized with 18 crown-6 ether by employing surface initiated polymerization. Real-time potassium ion monitoring is realized by combining these compounds with quartz crystal microbalance. The device demonstrates a rapid response time of ~30 s and a concentration detection range from 0.5 to 7.0 * 10-3 m. These hydrogels also exhibit high reusability and K+ ion selectivity relative to other cations in biofluids such as Na+ , NH4+ , Mg2+ , and Ca2+ . These results provide a new approach for sensing alkali metal ions using P(PEGMA-co-AM) hydrogels. PMID- 29210515 TI - Intrafamilial variability in the clinical manifestations of mucopolysaccharidosis type II: Data from the Hunter Outcome Survey (HOS). AB - Several cases of phenotypic variability among family members with mucopolysaccharidosis type II (MPS II) have been reported, but the data are limited. Data from patients enrolled in the Hunter Outcome Survey (HOS) were used to investigate intrafamilial variability in male siblings with MPS II. As of July 2015, data were available for 78 patients aged >=5 years at last visit who had at least one affected sibling (39 sibling pairs). These patients were followed prospectively (i.e., they were alive at enrollment in HOS). The median age at the onset of signs and symptoms was the same for the elder and younger brothers (2.0 years); however, the younger brothers were typically diagnosed at a younger age than the elder brothers (median age, 2.5 and 5.1 years, respectively). Of the 39 pairs, eight pairs were classified as being discordant (the status of four or more signs and symptoms differed between the siblings); 21 pairs had one, two, or three signs and symptoms that differed between the siblings, and 10 pairs had none. Regression status of the majority of the developmental milestones studied was generally concordant among siblings. Functional classification, a measure of central nervous system involvement, was the same in 24/28 pairs, although four pairs were considered discordant as functional classification differed between the siblings. Overall, this analysis revealed similarity in the clinical manifestations of MPS II among siblings. This information should help to improve our understanding of the clinical presentation of the disease, including phenotype prediction in affected family members. PMID- 29210517 TI - The current status of cognitive behavioral therapy for eating disorders: Marking the 51st Annual Convention of the Association of Behavioral and Cognitive Therapies. PMID- 29210516 TI - Efficacy and Cost-Effectiveness Analysis of Evidence-Based Nursing Interventions to Maintain Tissue Integrity to Prevent Pressure Ulcers and Incontinence Associated Dermatitis. AB - BACKGROUND: A reduction in tissue tolerance promotes the development of pressure ulcers (PUs) and incontinence-associated dermatitis (IAD). AIMS: To determine the cost-effectiveness and efficacy of evidence-based (EB) nursing interventions on increasing tissue tolerance by maintaining tissue integrity. METHODS: The study involved 154 patients in two intensive care units (77 patients, control group; 77 patients, intervention group). Data were collected using the following: patient characteristics form, Braden PU risk assessment scale, tissue integrity monitoring form, PU identification form, IAD and severity scale, and a cost table of the interventions. Patients in the intervention group were cared for by nurses trained in the use of the data collection tools and in EB practices to improve tissue tolerance. Routine nursing care was given to the patients in the control group. The researcher observed all patients in terms of tissue integrity and recorded the care-related costs. RESULTS: Deterioration of tissue integrity was observed in 18.2% patients in the intervention group compared to 54.5% in the control group (p < .05). The average cost to increase tissue tolerance prevention in the intervention and control groups was X- = $204.34 +/- 41.07 and X- = $138.90 +/- 1.70, respectively. LINKING EVIDENCE TO ACTION: It is recommended that EB policies and procedures are developed to improve tissue tolerance by maintaining tissue integrity. CONCLUSIONS: Although the cost of EB preventive initiatives is relatively high compared to those that are not EB, the former provide a significant reduction in the prevalence of tissue integrity deterioration. PMID- 29210518 TI - Body image and eating behavior in young adults born preterm. PMID- 29210519 TI - Air pollutants may be environmental risk factors in chronic rhinosinusitis disease progression. AB - BACKGROUND: Little is known about the role of environmental exposures in the pathophysiology of chronic rhinosinusitis (CRS). In this study, we measured the impact of air pollutants (particulate matter 2.5 [PM2.5 ] and black carbon [BC]) on CRS with nasal polyposis (CRSwNP) and CRS without nasal polyposis (CRSsNP). METHODS: Spatial modeling from pollutant monitoring sites was used to estimate exposures surrounding residences for patients meeting inclusion criteria (total patients, n = 234; CRSsNP, n = 96; CRSwNP, n = 138). Disease severity outcome measures included modified Lund-Mackay score (LMS), systemic steroids, number of functional endoscopic sinus surgeries (FESS), and 22-item Sino-Nasal Outcome Test (SNOT-22) score. PM2.5 and BC exposures were correlated with outcome measures. RESULTS: Mean PM2.5 and BC findings were not significantly different between CRSwNP and CRSsNP patients or patients with and without asthma. Among those with CRSsNP, PM2.5 was significantly associated with undergoing FESS. For each unit increase in PM2.5 , there was a 1.89-fold increased risk in the proportion of CRSsNP patients who required further surgery (p = 0.015). This association was not identified in CRSwNP patients (p = 0.445). BC was also significantly associated with SNOT-22 score in the CRSsNP group. For each 0.1-unit increase in BC, there was a 7.97-unit increase in SNOT-22 (p = 0.008). A similar, although not significant, increase in SNOT-22 was found with increasing BC in the CRSwNP group (p = 0.728). CONCLUSION: Air pollutants correlate with CRS symptom severity that may be influenced by exposure levels, with a more pronounced impact on CRSsNP patients. This study is the first to demonstrate the possible role of inhalant pollutants in CRS phenotypes, addressing a critical knowledge gap in environmental risk factors for disease progression. PMID- 29210520 TI - Supplementation during pregnancy with small-quantity lipid-based nutrient supplements or multiple micronutrients, compared with iron and folic acid, increases women's urinary iodine concentration in semiurban Ghana: A randomized controlled trial. AB - There is little information on whether prenatal multiple micronutrient (MMN) supplements containing iodine affect women's iodine status. In the International Lipid-based Nutrient Supplements DYAD-Ghana trial, we aimed to assess women's urinary iodine concentration (UIC, MUg/L) during pregnancy, as one of the planned secondary outcomes. Women (n = 1,320) <20 weeks of gestation were randomized to consume 60 mg iron and 400 MUg folic acid per day (iron and folic acid [IFA]); 18 vitamins and minerals including 250 MUg iodine per day (MMN); or 20 g/day of small-quantity lipid-based nutrient supplements (LNS) with the same and additional 4 vitamins and minerals as the MMN (LNS). In a subsample (n = 295), we tested differences in groups' geometric mean UICs at 36 weeks of gestation controlling for baseline UIC and compared the geometric means (approximately median UICs) with the World Health Organization (WHO) cut-offs: median UIC <150, 150-249, and >=500 reflecting low, adequate, and excessive iodine intakes, respectively. At baseline, overall median UIC was 137. At 36 weeks of gestation, controlling for baseline UIC, geometric mean (95% confidence interval) UICs of the MMN (161 [133, 184]) and LNS (158 [132, 185]) groups did not differ; both values were significantly greater (overall p = .004) than that of the IFA group (116 [101, 135]). The median UICs of the MMN and LNS groups were within the WHO "adequate" range, whereas that of the IFA group was below the WHO adequate range. In this setting, supplementation during pregnancy with small-quantity LNS or MMN providing iodine at the WHO-recommended dose, compared with IFA, increases the likelihood of adequate iodine status. PMID- 29210521 TI - Regulatory Efficacy of Brown Seaweed Lessonia nigrescens Extract on the Gene Expression Profile and Intestinal Microflora in Type 2 Diabetic Mice. AB - SCOPE: In this study, the antidiabetic activity of Lessonia nigrescens ethanolic extract (LNE) is investigated in streptozotocin (SZT)-induced type 2 diabetic mice fed with a high-sucrose/high-fat diet. METHODS AND RESULTS: Ultra high performance liquid chromatography coupled with photo-DAD and electospray ionization-mass spectrometry (ESI-MS) is employed to analyze the major compounds in LNE. The components of the intestinal microflora in type 2 diabetic mice are analyzed by high-throughput next-generation 16S rRNA gene sequencing. Fasting blood glucose levels in diabetic mice are significantly decreased after LNE administration. The histology reveals that LNE could protect the cellular architecture of liver and kidney. LNE treatment significantly increases Bacteroidetes and decreases Firmicutes populations in intestinal microflora. Specifically, It could selectively enrich the amounts of beneficial bacteria, Barnesiella, as well as reduce the abundances of Clostridium and Alistipes. The increased gene and protein expression levels of phosphatidylinositol 3-kinase (PI3K) in the liver are observed in LNE treatment groups, while the expressions of c-Jun N-terminal kinase (JNK) are significantly downregulated. CONCLUSION: The above findings suggest that LNE could be considered as a functional food for reducing blood glucose and regulating intestinal microflora. PMID- 29210523 TI - Activities of 11-Azaartemisinin and N-Sulfonyl Derivatives against Neospora caninum and Comparative Cytotoxicities. AB - Neosporosis caused by the apicomplexan parasite Neospora caninum is an economically important disease that induces abortion in dairy and beef cattle. There are no vaccines or drugs available on the market for control or treatment of the disease in bovines. The peroxide artemisinin and its derivatives used clinically for treatment of malaria are active against N. caninum and other apicomplexan parasites. We have now evaluated the activities of the readily accessible and chemically robust 11-azaartemisinin 5 and selected N-sulfonyl derivatives prepared as described in the accompanying paper against N. caninum tachyzoites grown in infected human foreskin fibroblasts. Azaartemisinin elicited an IC50 value of 150 nm, and the 2',5'-dichloro-3'-thienylsulfonyl-11 azaartemisinin 17 was found to be the most active, with an IC50 value of 40 nm. Comparison with normal human fetal lung fibroblasts HFLF WI-38 revealed relatively benign cytotoxicity. The compounds were also screened in vitro against TK-10 (renal), UACC-62 (melanoma) and MCF-7 (breast) cancer cell lines; overall, in line with activities against HFLF cells, most compounds in the series were found to be inactive. PMID- 29210525 TI - Digitized Speech Characteristics in Patients with Maxillectomy Defects. AB - PURPOSE: Accurate evaluation of speech characteristics through formant frequency measurement is important for proper speech rehabilitation in patients after maxillectomy. This study aimed to evaluate the utility of digital acoustic analysis and vowel pentagon space for the prediction of speech ability after maxillectomy, by comparing the acoustic characteristics of vowel articulation in three classes of maxillectomy defects. MATERIALS AND METHODS: Aramany's classifications I, II, and IV were used to group 27 male patients after maxillectomy. Digital acoustic analysis of five Japanese vowels-/a/, /e/, /i/, /o/, and /u/-was performed using a speech analysis system. First formant (F1) and second formant (F2) frequencies were calculated using an autocorrelation method. Data were plotted on an F1-F2 plane for each patient, and the F1 and F2 ranges were calculated. The vowel pentagon spaces were also determined. One-way ANOVA was applied to compare all results between the three groups. RESULTS: Class II maxillectomy patients had a significantly higher F2 range than did Class I and Class IV patients (p = 0.002). In contrast, there was no significant difference in the F1 range between the three classes. The vowel pentagon spaces were significantly larger in class II maxillectomy patients than in Class I and Class IV patients (p = 0.014). CONCLUSION: The results of this study indicate that the acoustic characteristics of maxillectomy patients are affected by the defect area. This finding may provide information for obturator design based on vowel articulation and defect class. PMID- 29210522 TI - Emerging Roles of Electrospun Nanofibers in Cancer Research. AB - This article reviews the recent progress of electrospun nanofibers in cancer research. It begins with a brief introduction to the emerging potential of electrospun nanofibers in cancer research. Next, a number of recent advances on the important features of electrospun nanofibers critical for cancer research are discussed including the incorporation of drugs, control of release kinetics, orientation and alignment of nanofibers, and the fabrication of 3D nanofiber scaffolds. This article further highlights the applications of electrospun nanofibers in several areas of cancer research including local chemotherapy, combinatorial therapy, cancer detection, cancer cell capture, regulation of cancer cell behavior, construction of in vitro 3D cancer model, and engineering of bone microenvironment for cancer metastasis. This progress report concludes with remarks on the challenges and future directions for design, fabrication, and application of electrospun nanofibers in cancer diagnostics and therapeutics. PMID- 29210524 TI - TSC1 enables plastid development under dark conditions, contributing to rice adaptation to transplantation shock. AB - Since its domestication from wild rice thousands of years ago, rice has been cultivated largely through transplantation. During transplantation from the nursery to the paddy field, rice seedlings experience transplantation shock which affects their physiology and production. However, the mechanisms underlying transplantation shock and rice adaptation to this shock are largely unknown. Here, we isolated a transplant-sensitive chloroplast-deficient (tsc1) rice mutant that produces albino leaves after transplantation. Blocking light from reaching the juvenile leaves and leaf primordia caused chloroplast deficiencies in transplanted tsc1 seedlings. TSC1 encodes a noncanonical adenosine triphosphate binding cassette (ABC) transporter homologous to AtNAP14 and is of cyanobacterial origin. We demonstrate that TSC1 controls plastid development in rice under dark conditions, and functions independently of light signaling. However, light rescued the tsc1 mutant phenotype in a spectrum-independent manner. TSC1 was upregulated following transplantation, and modulated the iron and copper levels, thereby regulating prolamellar body formation during the early P4 stage of leaf development. Therefore, TSC1 is indispensable for plastid development in the absence of light, and contributes to adaptation to transplantation shock. Our study provides insight into the regulation of plastid development and establishes a framework for improving recovery from transplantation shock in rice. PMID- 29210526 TI - Understanding the Impact of Film Disorder and Local Surface Potential in Ultraviolet Photoelectron Spectroscopy of PEDOT. AB - The spectra of conducting polymers obtained using ultraviolet photoelectron spectroscopy (UPS) exhibit a typical broadening of the tail sigmaUPS ~ 1 eV, which by an order of magnitude exceeds a commonly accepted value of the broadening of the tail of the density of states sigmaDOS ~ 0.1 eV obtained using transport measurements. In this work, an origin of this anomalous broadening of the tail of the UPS spectra in a doped conducting polymer, PEDOT (poly(3,4 ethylenedioxythiophene)), is discussed. Based on the semiempirical approach and using a realistic morphological model, the density of valence states in PEDOT doped with molecular counterions is computed. It is shown that due to a disordered character of the material with randomly distributed counterions, the localized charge carriers in PEDOT crystallites experience spatially varying electrostatic potential. This leads to spatially varying local vacuum levels and binding energies. Taking this variation into account the UPS spectrum is obtained with the broadening of the tail comparable to the experimentally observed one. The results imply that the observed broadening of the tail of the UPS spectra in PEDOT provides information about a disordered spatially varying potential in the material rather than the broadening of the DOS itself. PMID- 29210527 TI - Seroprevalence of Helicobacter pylori in Hispanics living in Puerto Rico: A population-based study. AB - BACKGROUND: Helicobacter pylori is an important etiologic factor for peptic ulcers and gastric cancer, one of the top ten leading causes of cancer death in Puerto Rico. However, the prevalence of H. pylori infections in this population was previously unknown. The aim of this study was to examine the seroprevalence of H. pylori and its associated risk factors in Puerto Rico. MATERIALS AND METHODS: A cross-sectional study was designed using an existing population-based biorepository. Seropositivity was determined using the PremierTM H. pylori immunoassay. Helicobacter pylori seroprevalence was estimated with 95% confidence using marginal standardization following logistic regression. To assess the risk factors associated with H. pylori seropositivity, a multivariable log-binomial model was fitted to estimate the prevalence ratio (PR) and its 95% confidence interval (95% CI). RESULTS: A total of 528 population-based serum samples were analyzed. The mean age of the study population was 41 +/- 12 years, of whom 55.3% were females. The overall seroprevalence of H. pylori was 33.0% (95% CI = 28.3% 38.1%). Increasing age and having <12 years of education were significantly (P < .05) associated with H. pylori seropositivity in the multivariable model; however, residing in counties with low population density reached marginal significance (P = .085). CONCLUSIONS: We report that H. pylori infection is common among Hispanics living in Puerto Rico. The H. pylori seroprevalence observed in Puerto Rico is similar to the seroprevalence reported in the overall population of the United States. The association between H. pylori seroprevalence and the risk factors analyzed offers insight into the epidemiology of gastric cancer in Puerto Rico and warrants further investigation. PMID- 29210532 TI - A Comprehensive Structural Overview of p38alpha Mitogen-Activated Protein Kinase in Complex with ATP-Site and Non-ATP-Site Binders. AB - Herein we review all the currently available ATP-site and non-ATP-site ligands bound to p38alpha mitogen-activated protein kinase (MAPK) available in the RCSB Protein Data Bank (PDB). The co-crystallized inhibitors have been classified into different families according to their experimental binding mode and chemical structure, and the ligand-protein interactions are discussed using the most representative compounds. This systematic structural analysis could provide some take-home lessons for drug discovery programs aimed at the rational identification and optimization of new p38alpha MAPK inhibitors. PMID- 29210531 TI - Comparison of endoscopic and open resection of sinonasal squamous cell carcinoma: a propensity score-matched analysis of 652 patients. AB - BACKGROUND: The use of endoscopic resection as an alternative to open surgery for sinonasal malignancies has increased in the past 20 years. METHODS: The National Cancer Database was queried for cases of sinonasal squamous cell carcinoma (SNSCC) without cervical or distant metastases that were treated surgically between 2010 and 2014. They were split into 2 groups based on surgical approach: open or endoscopic. Demographics, facility and insurance type, stage, tumor characteristics, postoperative treatment, 30-day readmission rate, 30- and 90-day mortality, and overall survival (OS) were compared between the 2 groups. Cox proportional hazard analysis was performed. Propensity score matching (PSM) was used to mimic a randomized, controlled trial. RESULTS: A total of 1,483 patients were identified: 353 (23.8%) received endoscopic and 1130 (76.2%) received open surgery. Age, gender, race, geographic region, tumor size, surgical margins, postoperative chemoradiation, and 30-day readmissions did not vary significantly between the 2 groups. Open surgery was more common in academic centers (62.8% vs 54.2%; p = 0.004), less common for tumors of the ethmoid and sphenoid sinus (p < 0.0001), less common for stage IVB tumors, and associated with longer hospital stay (mean, 4.67 days vs 2.50 days; p < 0.0001). Five-year OS (5Y-OS) was not significantly different between the 2 approaches (p = 0.953; open: 5Y-OS, 56.5%; 95% confidence interval, 51.3% to 61.6%; endoscopic: 5Y-OS, 46.0%; 95% confidence interval, 33.2% to 58.8%). In the PSM cohort of 652 patients, there was also no significant difference in OS (p = 0.850). CONCLUSION: Endoscopic surgery is an effective alternative to open surgery, even after accounting for confounding factors that may favor its use over the open approach. It is also associated with a shorter hospital stay. PMID- 29210533 TI - Rapid Differential Diagnosis of Breast Microcalcification Using Targeted Near Infrared Fluorophores. AB - Early detection and differential diagnosis of breast microcalcifications are of significant importance in effective treatment of early breast cancer, because mineral composition of breast calcification is directly associated with different pathological states. However, applying image-based modalities for component identification in breast calcification remains challenging, because no calcification-specific contrast agent is available to distinguish between benign and malignant (type I and type II, respectively) calcifications of breast lesions. In this study, real-time near-infrared (NIR) fluorescence imaging of breast microcalcifications using targeted NIR fluorophores in combination with dual-channel NIR fluorescence imaging system is reported. This strategy can be used to solve major problem in mammography and ultrasonography methods for the differentiation of benign and malignant microcalcifications. Thus, this novel technology shows significant potential for breast cancer diagnosis and image guided surgery performed with increased precision and efficiency by providing differential diagnosis of breast microcalcifications. PMID- 29210534 TI - Antiepileptic drugs for the primary and secondary prevention of seizures in viral encephalitis. AB - STATEMENT: The mission of the Cochrane Nursing Care Field (CNCF) is to improve health outcomes through increasing the use of the Cochrane Library and supporting Cochrane's role by providing an evidence base for nurses and healthcare professionals who deliver, lead or research nursing care. The CNCF produces Cochrane Corner columns, summaries of recent nursing-care-relevant Cochrane Reviews that are regularly published in collaborating nursing-related journals. Information on the processes CNCF has developed can be accessed at: cncf.cochrane.org/evidence-transfer-program-review-summaries. This is a Cochrane review summary of: Pandey S, Rathore C, Michael D ( 2016 ) Antiepileptic drugs for the primary and secondary prevention of seizures in viral encephalitis. Cochrane Database of Systematic Reviews. Issue 5. CD010247. doi: 10.1002/14651858.CD010247.pub3. PMID- 29210535 TI - Assessment, care and management of patients with red eye. AB - Red eye is a common ocular presentation in primary care, and there are several challenges that healthcare practitioners may encounter when caring for such patients. The main ocular conditions that can give rise to red eye are: primary acute angle closure glaucoma, acute iritis, dry eye, blepharitis and conjunctivitis. Red eye can be classified as sight-threatening or non-sight threatening. Many patients presenting with painless red eye and normal vision usually recover well. However, when red eye is associated with pain, photophobia, watering and blurred vision, it is potentially sight-threatening and must be addressed urgently. Therefore, it is vital for healthcare practitioners to be able to undertake a careful assessment of the patient and make an accurate diagnosis early. This article provides an overview of the common causes of red eye encountered in general practice or an eye clinic. It discusses the nurse's role in the care and management of patients with red eye, with reference to patient assessment, the skills required to make an accurate diagnosis, treatment and health promotion. PMID- 29210536 TI - HIV and AIDS: An overview of the current issues, treatment and prevention. AB - The theme of World AIDS Day 2017 is 'let's end it'. After almost 40 years since the first occurrences of human immunodeficiency virus (HIV), it is possible to envision an end to the HIV epidemic, one of the most serious health and development challenges humanity has faced. This article provides an overview of the current approaches to the treatment, care and support of people living with HIV and acquired immune deficiency syndrome (AIDS). It also discusses the challenges associated with HIV and AIDS that remain, HIV prevention strategies, and the nurse's role in caring for people living with HIV. It outlines the Australian partnership approach to HIV, which provides a background for reflection on the response to HIV and AIDS in the UK and worldwide. PMID- 29210537 TI - Secular Trends and Current Challenges of Lifestyle Diseases : The Hisayama Study. PMID- 29210538 TI - Neuraminidase Amino Acid Sequences of Influenza A/H3N2 and B Viruses Isolated from Influenza Patients in the 2014/15 Japanese Influenza Season. AB - Background: Neuraminidase (NA) is a surface protein essential for influenza virus replication. NA inhibitors are commonly used for the treatment of influenza patients in Japan. Several mutations that reduce the effect of NA inhibitors have been reported. We sequenced the whole NA segment of isolated virus from influenza patients and investigated the relation between the NA amino acid sequence and the 50% inhibitory concentration (IC_50) of four NA inhibitors. Materials and Methods: Forty A/H3N2 and 19 B influenza virus isolated from patients in the 2014/15 influenza season were analyzed. The IC_50 was determined by a neuraminidase inhibition assay using a fluorescent substrate. Viral RNA was amplified by RT-PCR and the genome was sequenced using a next generation sequencer. The deduced amino acid sequences were analyzed. Results: There was no AA change in the NA catalytic site of the A/H3N2 and B viruses isolated in the 2014-15 influenza season. There was no significant relation between the NA amino acids and the IC_50 of the four NA inhibitors for A/H3N2 or B viruses. Conclusion: The catalytic site of NA was highly conserved for these A/H3N2 and B viruses. No emergence of NA amino acid mutations related to the sensitivity of the four currently used NA inhibitors was observed. PMID- 29210539 TI - Current Status and Future Perspective of Tolerance Induction in Patients with Kidney Transplantation. PMID- 29210540 TI - Endoscopic Submucosal Dissection is Feasible for Very Elderly Patients with Early Gastric Cancer : Comparison of Short-Term and Long-Term Outcomes in Very Elderly and Non-Elderly Patients. AB - Background/Aims: Endoscopic submucosal dissection (ESD) has become a standard procedure for the resection of early gastric cancer (EGC). However, the feasibility of ESD for very elderly patients, aged >= 80 years, has not been determined. Methodology: The study population included 67 non-elderly (NE) patients aged <= 65 years (80 lesions) and 22 very elderly (VE) patients >= 80 years (26 lesions) with EGC who underwent ESD and met the criteria for absolute or expanded indications. Eighteen patients (18 lesions) who underwent ESD but did not meet the criteria for absolute and expanded indications were defined as the outside the indications (OI) group. Results: En bloc and complete resection rates were excellent in both the VE and NE groups, without differing significantly. Although the rates of ischemic heart disease and antithrombotic agent use were higher in the VE than in the NE group, procedure-related complication rates did not differ significantly. Of the seven very elderly patients in the OI group, two underwent additional gastrectomy, and the other five were followed-up without surgery. No patient in any group experienced local recurrence, metastasis or disease-specific death. Conclusions: Short- and long-term outcomes of ESD for VE patients with EGC were favorable and did not differ significantly from outcomes in NE patients. ESD may therefore be a good therapeutic option for both VE and NE patients with EGC. PMID- 29210541 TI - Coexistence of Reticulate Acropigmentation of Kitamura and Dowling-Degos Disease. PMID- 29210542 TI - Regulation of Viral Infection and Type 1 Diabetes ; Future Perspective. PMID- 29210544 TI - It's In the Bag! Appreciating proper BVM ventilation. PMID- 29210543 TI - Living Donor Liver Transplantation in an Elderly Recipient with Preserved Performance Status : A Case Report. AB - Background: Living donor liver transplantation (LDLT) in an elderly recipient is controversial. Case presentation: We report a case of LDLT in a 74-year-old female who had decompensated liver cirrhosis and hepatocellular carcinoma (HCC). She was the oldest recipient who received LDLT in Japan ever. She was rejected for LDLT at a nearby hospital because of her age.We decided to perform LDLT because her general condition was good (the Eastern Cooperative Oncology Group (ECOG) performance status 2 ). The surgery was uncomplicated and the postoperative course was uneventful, and the patient was discharged 35 days after the surgery. Currently she is living at home, and she has maintained a good quality of life. Conclusions: We believe that a recipient in good general condition is capable of undergoing LDLT despite advanced age. PMID- 29210545 TI - Letters: In Your Own Words. Shock. PMID- 29210547 TI - Police Transports: MCI plans should consider alternatives to EMS transport. PMID- 29210546 TI - NAEMSE Position Paper: Revised Standards and Guidelines on the Accreditation of Educational Programs. PMID- 29210548 TI - Are They Sick Enough? Analyzing the threshold for ALS response. PMID- 29210549 TI - Just a Cough? Examining when airway discomfort indicates something serious. PMID- 29210551 TI - Pediatric Pain: Evaluating prehospital opioid pain management in children. PMID- 29210550 TI - Blood Clot Breakdown. Should tPA be used to treat refractory v fib or other OHCA? PMID- 29210552 TI - Breastfeeding policy: The foundation for improving Australia's health. PMID- 29210553 TI - Improving Patient Safety: Foreword. PMID- 29210554 TI - Improving Patient Safety: Common Outpatient Medical Errors. AB - Medical errors are common and can lead to patient harm and death. Most research on errors has focused on inpatient care, yet errors are at least as common in the outpatient setting and likely are underreported. Common types of errors in the outpatient setting are diagnostic, drug, and testing errors. The most effective specific interventions for reducing errors in the outpatient setting remain unknown. Considering the current lack of data, the authors recommend a quality improvement approach to understanding local factors in patient safety. Appropriate education and training of all staff members in their roles in patient safety is an important aspect of any program to reduce errors, though these measures rarely are sufficient on their own. Creation of a culture of safety, use of adequate systems and policies for reporting and identifying errors, and use of technologies to prevent errors also are important. PMID- 29210555 TI - Improving Patient Safety: Care Transitions. AB - Care transitions are times of high risk of harm to patients. The transition from hospital care to outpatient care is perhaps the most well-studied transition and is encountered commonly in the family medicine setting. For discharge transitions, several hospital-based interventions for patients with major diagnoses have resulted in improvements in readmission rates, costs, and patient satisfaction. Prompt scheduling of a follow-up appointment with patients after discharge is crucial. Key issues to consider in the first post-discharge appointment include drug reconciliation and follow-up of any pending tests and results. In the outpatient setting, establishing working relationships with hospital physicians and consultants, educating patients to notify physicians of admissions to hospitals or other care facilities, and educating patients to bring current drug lists to appointments can improve care transitions. Physicians now can receive greater reimbursement for transitional care management services using new CPT codes. PMID- 29210556 TI - Improving Patient Safety: Prevention of Hospital Readmission. AB - Identifying and preventing avoidable hospital admissions have become cornerstone quality metrics that influence reimbursement and provision of quality care. Many initiatives focus on improving communication with other clinicians and patients, coordinating care after discharge, and improving care quality during the initial admission to prevent future readmissions. The Centers for Medicare and Medicaid Services define a readmission as an admission to any acute care hospital for any reason within 30 days of discharge from an acute care hospital. Certain risk factors can indicate the need for targeted intervention to prevent readmission. Several risk stratification screening tools have been developed to assist clinicians in identifying at-risk patients for early intervention. However, the evidence supporting the accuracy and reliability of these tools remains limited. PMID- 29210557 TI - Improving Patient Safety: Improving Communication. AB - Communication among physicians, staff, and patients is a critical element in patient safety. Effective communication skills can be taught and improved through training and awareness. The practice of family medicine allows for long-term relationships with patients, which affords opportunities for ongoing, high quality communication. There are many barriers to effective communication, including patient factors, clinician factors, and system factors, but tools and strategies exist to address these barriers, improve communication, and engage patients in their care. Use of universal precautions for health literacy, appropriate medical interpreters, and shared decision-making are evidence-based tools that improve communication and increase patient safety. PMID- 29210558 TI - Microphase Diffusion-Controlled Interfacial Polymerization for an Ultrahigh Permeability Nanofiltration Membrane. AB - The key to improving nanofiltration membrane permeance is reducing its thickness while maintaining high rejection. Herein, a 25 nm thick ultrathin polyamide layer was prepared by a microphase diffusion-controlled interfacial polymerization (MDC IP) of poly(ethyleneimine) and trimesoyl chloride, which is much thinner than the conventional interfacial polymerization (CIP) polyamide layer. A new formation mechanism for such an ultrathin layer is presented, which included a microphase interfacial reaction and eliminated loose layers due to the confinement of microphase diffusion and the termination of stepwise diffusion. Moreover, the polyamide layer was post-cross-linked to form a stable dual-cross-linked interwoven structure. Such a membrane showed an ultrahigh permeance of 1246 kg/(m2 h MPa), which was 23 times that of CIP membranes. MDC-IP could efficiently control the microinterface between two immiscible phases, which provided a facile way to regulate the membrane at nanoscale. PMID- 29210559 TI - Multifunctional PHPMA-Derived Polymer for Ratiometric pH Sensing, Fluorescence Imaging, and Magnetic Resonance Imaging. AB - In this paper, we report synthesis and characterization of a novel multimodality (MRI/fluorescence) probe for pH sensing and imaging. A multifunctional polymer was derived from poly(N-(2-hydroxypropyl)methacrylamide) (PHPMA) and integrated with a naphthalimide-based-ratiometric fluorescence probe and a gadolinium 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid complex (Gd-DOTA complex). The polymer was characterized using UV-vis absorption spectrophotometry, fluorescence spectrofluorophotometry, magnetic resonance imaging (MRI), and confocal microscopy for optical and MRI-based pH sensing and cellular imaging. In vitro labeling of macrophage J774 and esophageal CP-A cell lines shows the polymer's ability to be internalized in the cells. The transverse relaxation time (T2) of the polymer was observed to be pH-dependent, whereas the spin-lattice relaxation time (T1) was not. The pH probe in the polymer shows a strong fluorescence-based ratiometric pH response with emission window changes, exhibiting blue emission under acidic conditions and green emission under basic conditions, respectively. This study provides new materials with multimodalities for pH sensing and imaging. PMID- 29210560 TI - Reaction-Based Fluorescent Probes for the Imaging of Nitroxyl (HNO) in Biological Systems. AB - Nitroxyl (HNO) has been identified as an important signaling molecule in biological systems and plays critical roles in many physiological processes. Fluorescence imaging could provide a robust approach to explore the biological formation of HNO and its physiological functions. Herein, we summarize the organic reaction types for constructing HNO probes and specifically focus on review of the recent advances in the development of the reaction-based HNO probes and their imaging applications in living systems. PMID- 29210561 TI - Dual Function of UV/Ozone Plasma-Treated Polymer in Polymer/Metal Hybrid Electrodes and Semitransparent Polymer Solar Cells. AB - In this work, high-performance inverted indium tin oxide (ITO)-free semitransparent polymer solar cells are comprehensively investigated using a novel polymer/metal hybrid transparent electrode. The electrical and optical characteristics of hybrid electrodes are significantly enhanced by introducing UV/ozone plasma treatment on the polymer poly[(9,9-bis(3'-(N,N dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctylfluorene)] (PFN), which is functioned as both a seed layer for ultrathin Ag metal electrode and an optical spacer for transparent devices. The optimized sheet resistance of PFN/Ag (12 nm) hybrid electrode is only half of the commercial ITO (9.4 vs 20.0 Omega sq 1) and the high wavelength-dependent reflectance of hybrid electrode helps to increase the ITO-free device short-circuit current density. Furthermore, the interface property between PFN and ultrathin Ag is analyzed in detail and the optical field distribution is calculated for comparison. A high power conversion efficiency of 5.02%, which is increased by 35% compared to that of the ITO-based device, is achieved in the ITO-free semitransparent device in conjunction with an excellent average visible transmittance above 28% that is higher than the benchmark of 25% for power-generating window, indicating its great potential in building integrated photovoltaic systems in the future. Furthermore, the strategy is successfully developed for other polymer systems, suggesting the universal applicability for plastic electronics. PMID- 29210562 TI - Methacrylate-Stitched beta-Cyclodextrin Embedded with Nanogold/Nanotitania: A Skin Adhesive Device for Enhanced Transdermal Drug Delivery. AB - Transdermal (TD) drug delivery is a more attractive technique for drug delivery compared to oral and intravenous injection. However, the permeation of drug molecules across the skin is difficult due to the presence of highly ordered lipid barrier. This study details the development of a novel TD system, which has the potential to simultaneously enhance the skin permeability and adhesion behavior. Ibuprofen (IP) was selected as model drug. The ability of gold nanoparticle (AuNP) and hydrophobic titanium nanotube (TNT) to enhance the skin permeability was explored. Additionally, beta-cyclodextrin (betaCD), which can exceptionally encapsulate poorly water-soluble drugs, is grafted with methacrylates to improve the skin adhesion property. Finally, Au-TNT nanocomposite was deposited onto methacrylate-grafted betaCD matrix. The developed material was characterized through NMR spectroscopy, infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, X ray diffraction, and Raman spectroscopy. The characteristics of the film, including water vapor permeability (WVP), thermomechanical properties, etc., were examined in terms of Au-TNT content. The TD delivery of IP with different concentrations of Au-TNT was evaluated via an in vitro skin permeation study through rat skin. It is revealed that the prepared TD film exhibited an improved drug-delivery performance due to the synergistic action of AuNP and hydrophobic TNT. The cumulative percent of IP delivered across the skin is extremely depending on nanofiller content, lipophilicity, and thickness of the membrane, and the device incorporated with 4.0% Au-TNT displayed the best performance. In addition, a study on storage stability was performed by storing the films for 2 months at different temperatures. The study revealed that the device possessed excellent storage stability when stored at low temperature. The developed film offers excellent WVP, drug encapsulation efficiency, thermomechanical properties, and skin adhesion behavior. Moreover, the device was cosmetically attractive, noncytotoxic, and resistant to microbial growth and hence extremely reliable for skin application. The developed skin permeation strategy may open new avenues in TD drug delivery. PMID- 29210563 TI - Thermally Responsive Capillary Suspensions. AB - We demonstrate that stimulus-responsive capillary-structured materials can be formed from hydrophobized calcium carbonate particles suspended in a non-polar phase (silicone oil) and bridged by very small amounts of a hydrogel as the secondary aqueous phase. Inclusion of thermally responsive polymers into the aqueous phase yielded a capillary-structured suspension whose rheology is controlled by a change in temperature and can increase its complex modulus by several orders of magnitude because of the gelation of the capillary bridges between the solid particles. We demonstrate that the rheology of the capillary suspension and its response upon temperature changes can be controlled by the gelling properties as little as 0.1 w/w % of the secondary aqueous phase containing 2 wt % of the gelling carbohydrate. Doping the secondary (aqueous) phase with methyl cellulose, which gels at elevated temperatures, gave capillary structured materials whose viscosity and structural strength can increase by several orders of magnitude as the temperature is increased past the gelling temperature of the methyl cellulose solution. Increasing the methyl cellulose concentration from 0 to 2 w/w % in the secondary (aqueous) phase increases the complex modulus and the yield stress of the capillary suspension of 10 w/w % hydrophobized calcium carbonate in silicone oil by 2 orders of magnitude at a fixed temperature. By using an aqueous solution of a low melting point agarose as a secondary liquid phase, which melts as the temperature is raised, we produced capillary-structured materials whose viscosity and structural strength can decrease by several orders of magnitude as the temperature is increased past the melting temperature of the agarose solution. The development of thermally responsive capillary suspensions can find potential applications in structuring of smart home and personal care products as well as in temperature-triggered change in rheology and release of flavors in foods and actives in pharmaceutical formulations. PMID- 29210564 TI - In Situ Characterization of Photothermal Nanoenergetic Combustion on a Plasmonic Microchip. AB - Plasmonic gratings facilitate a robust in situ diagnostic platform for photothermal combustion of nanoenergetic composite thin films using an optical microscope and a high-speed camera. Aluminum nanoparticles (Al NPs) embedded in a fluoropolymer oxidizer are cast onto a plasmonic grating microchip and ignited using a low-power laser. The plasmonic grating enhances both spatial resolution and sufficient photothermal coupling to combust small Al NP clusters, initiating localized flames as small as 600 nm in size. Two-color pyrometry obtained from a high-speed color camera indicates an average flame temperature of 3900 K. Scattering measurements using polarized light microscopy enabled precise identification of individual Al NPs over a large field of view, leading to 3D reconstruction of combustion events. PMID- 29210565 TI - Microsphere Na0.65[Ni0.17Co0.11Mn0.72]O2 Cathode Material for High-Performance Sodium-Ion Batteries. AB - P2-type layered oxides have been considered promising candidates as cathodes for sodium-ion batteries (SIBs) owing to their high capacity and high rate capability. However, because of the difficulty involved in forming hierarchical microstructures, it remains challenging to develop high energy density P2-type layered oxides with good electrochemical performance and high electrode density. In this study, we demonstrate the feasibility of P2-type Na0.65[Ni0.17Co0.11Mn0.72]O2 as a very efficient cathode material for high energy density SIBs by synthesizing a micron-sized hierarchical structure via the coprecipitation route. The as-prepared P2-type microsphere cathode constructed from nanoscale primary particles provides a sufficient interface between the electrodes and the electrolyte solution, which enables to shorten the transport pathways for Na+ ions and electrons. Simultaneously, the hierarchical microstructure enhances the structural stability and high tap density (~1.18 g cm 3). Benefiting from these merits, the proposed P2-type microsphere Na0.65[Ni0.17Co0.11Mn0.72]O2 displays a high discharge capacity of 187 mA h g-1 at 12 mA g-1 and an exceptional cycle retention of 74.7% after 500 cycles, even at the high current density of 600 mA g-1. In addition, the high tap density of this P2-type microsphere enhances the density of composite cathodes, which translates to a high volumetric energy density of 340 W h L-1 based on the overall volume of the cathode active mass and the aluminum foil current collector. PMID- 29210566 TI - Multimodal MSI in Conjunction with Broad Coverage Spatially Resolved MS2 Increases Confidence in Both Molecular Identification and Localization. AB - One critical aspect of mass spectrometry imaging (MSI) is the need to confidently identify detected analytes. While orthogonal tandem MS (e.g., LC-MS2) experiments from sample extracts can assist in annotating ions, the spatial information about these molecules is lost. Accordingly, this could cause mislead conclusions, especially in cases where isobaric species exhibit different distributions within a sample. In this Technical Note, we employed a multimodal imaging approach, using matrix assisted laser desorption/ionization (MALDI)-MSI and liquid extraction surface analysis (LESA)-MS2I, to confidently annotate and localize a broad range of metabolites involved in a tripartite symbiosis system of moss, cyanobacteria, and fungus. We found that the combination of these two imaging modalities generated very congruent ion images, providing the link between highly accurate structural information onfered by LESA and high spatial resolution attainable by MALDI. These results demonstrate how this combined methodology could be very useful in differentiating metabolite routes in complex systems. PMID- 29210567 TI - Correction to Empirical Correction for Differences in Chemical Exchange Rates in Hydrogen Exchange-Mass Spectrometry Measurements. PMID- 29210568 TI - Comparison of the Response of Bacterial IscU and SufU to Zn2+ and Select Transition-Metal Ions. AB - IscU, the central scaffold protein in the bacterial ISC iron-sulfur (Fe-S) cluster biosynthesis system, has long been recognized to bind a Zn2+ ion at its active site. While initially regarded as an artifact, Zn2+ binding has been shown to induce stabilization of the IscU structure that may mimic a state biologically relevant to IscU's role in Fe-S cluster biosynthesis. More recent studies have revealed that SufU, a homologous protein involved in Fe-S cluster biosynthesis in Gram-positive bacteria, also binds a Zn2+ ion with structural implications. Given the widespread occurrence of the "IscU-like" protein fold, particularly among Fe S cluster biosynthesis systems, an interesting question arises as to whether Zn2+ ion binding and the resulting structural alterations are common properties in IscU-like proteins. Interactions between IscU and specific metal ions are investigated and compared side-by-side with those of SufU from a representative Gram-positive bacterium in the phylum Firmicutes. These studies were extended with additional transition metal ions chosen to investigate the influence of coordination geometry on selectivity for binding at the active sites of IscU and SufU. Monitoring and comparing the conformational behavior and stabilization afforded by different transition metal ions upon IscU and SufU revealed similarities between the two proteins and suggest that metal-dependent conformational transitions may be characteristic of U-type proteins involved in Fe-S cluster biosynthesis. PMID- 29210569 TI - Modulating DNA Repair Pathways to Improve Precision Genome Engineering. AB - Programmable nucleases like the popular CRISPR/Cas9 system allow for precision genome engineering by inducing a site-specific DNA double strand break (DSB) within a genome. The DSB is repaired by endogenous DNA repair pathways, either nonhomologous end joining (NHEJ) or homology directed repair (HDR). The predominant and error-prone NHEJ pathway often results in small nucleotide insertions or deletions that can be used to construct knockout alleles. Alternatively, HDR activity can result in precise modification incorporating exogenous DNA fragments into the cut site. However, genetic recombination in mammalian systems through the HDR pathway is an inefficient process and requires cumbersome laboratory methods to identify the desired accurate insertion events. This is further compromised by the activity of the competing DNA repair pathway, NHEJ, which repairs the majority of nuclease induced DNA DSBs and also is responsible for mutagenic insertion and deletion events at off-target locations throughout the genome. Various methodologies have been developed to increase the efficiency of designer nuclease-based HDR mediated gene editing. Here, we review these advances toward modulating the activities of the two critical DNA repair pathways, HDR and NHEJ, to enhance precision genome engineering. PMID- 29210570 TI - Single-Step LRET Aptasensor for Rapid Mycotoxin Detection. AB - Contamination of foods by mycotoxins is a common yet serious problem. Owing to the increase in consumption of fresh produce, consumers have become aware of food safety issues caused by mycotoxins. Therefore, rapid and sensitive mycotoxin detection is in great demand in fields such as food safety and public health. Here we report a single-step luminescence resonance energy transfer (LRET) aptasensor for mycotoxin detection. To accomplish the single-step sensor, our sensor was constructed by linking a quencher-labeled aptamer through a linker to the surface of upconversion nanoparticles (UCNPs). Our LRET aptasensor is composed of Mn2+-doped NaYF4:Yb3+,Er3+ UCNPs as the LRET donor, and black hole quencher 3 (BHQ3) as the acceptor. The maximum quenching efficiency is obtained by modulating the linker length, which controls the distance between the quencher and the UCNPs. Our distinctive design of LRET aptasensor allows detection of mycotoxins selectively in colored food samples within 10 min without multiple bioassay steps. We believe our single-step aptasensor has a significant potential for on-site detection of food contaminants, environmental pollutants, and biological metabolites. PMID- 29210571 TI - Molecular Engineering of alpha-Substituted Acrylate Ester Template for Efficient Fluorescence Probe of Hydrogen Polysulfides. AB - In this article, hydrogen polysulfide (H2Sn)-mediated Michael addition/cyclization cascade reactions toward acrylate ester analogues were exploited and utilized to construct novel and robust H2Sn-specific fluorescence probe for the first time. Through rational molecular engineering of the alpha substituted acrylate ester template, the optimal candidate probe FP-CF3 containing trifluoromethyl-substituted acrylate ester group as recognition unit and 3-benzothiazol-7-hydroxycoumarin dye BHC as signal reporter can highly selectively detect H2Sn over other reactive sulfur species, especially biothiols including cysteine (Cys) and homocysteine (Hcy)/glutathione (GSH), with a rapid and significant turn-on fluorescence response (less than 60 s for response time and over 44-fold for signal-to-background ratio). The fast response and high selectivity of FP-CF3 for H2Sn could be attributed to a kinetically and spatially favored pentacyclic addition produced by the dual nucleophilic reaction of H2Sn with the CF3-substituted acrylate group. The big off-on fluorescence response is due to the pentacyclic intermediate results in the release of the highly fluorescent BHC. Moreover, it has been successfully applied in imaging of endogenous H2Sn fluctuation in living cells. PMID- 29210572 TI - Cobalt- and Rhodium-Corrole-Triphenylphosphine Complexes Revisited: The Question of a Noninnocent Corrole. AB - A reinvestigation of cobalt-corrole-triphenylphosphine complexes has yielded an unexpectedly subtle picture of their electronic structures. UV-vis absorption spectroscopy, skeletal bond length alternations observed in X-ray structures, and broken-symmetry DFT (B3LYP) calculations suggest partial CoII-corrole*2- character for these complexes. The same probes applied to the analogous rhodium corroles evince no evidence of a noninnocent corrole. X-ray absorption spectroscopic studies showed that the Co K rising edge of Co[TPC](PPh3) (TPC = triphenylcorrole) is red-shifted by ~1.8 eV relative to the bona fide Co(III) complexes Co[TPC](py)2 and Co[TPP](py)Cl (TPP = tetraphenylporphyrin, py = pyridine), consistent with a partial CoII-corrole*2- description for Co[TPC](PPh3). Electrochemical measurements have shown that both the Co and Rh complexes undergo two reversible oxidations and one to two irreversible reductions. In particular, the first reduction of the Rh corroles occurs at significantly more negative potentials than that of the Co corroles, reflecting significantly higher stability of the Rh(III) state relative to Co(III). Together, the results presented herein suggest that cobalt-corrole triphenylphosphine complexes are significantly noninnocent with moderate CoII corrole*2- character, underscoring-yet again-the ubiquity of ligand noninnocence among first-row transition metal corroles. PMID- 29210573 TI - Magnetic Levitation To Characterize the Kinetics of Free-Radical Polymerization. AB - This work describes the development of magnetic levitation (MagLev) to characterize the kinetics of free-radical polymerization of water-insoluble, low molecular-weight monomers that show a large change in density upon polymerization. Maglev measures density, and certain classes of monomers show a large change in density when monomers covalently join in polymer chains. MagLev characterized both the thermal polymerization of methacrylate-based monomers and the photopolymerization of methyl methacrylate and made it possible to determine the orders of reaction and the Arrhenius activation energy of polymerization. MagLev also made it possible to monitor polymerization in the presence of solids (aramid fibers, and carbon fibers, and glass fibers). MagLev offers a new analytical technique to materials and polymer scientists that complements other methods (even those based on density, such as dilatometry), and will be useful in investigating polymerizations, evaluating inhibition of polymerizations, and studying polymerization in the presence of included solid materials (e.g., for composite materials). PMID- 29210574 TI - Bis- and Tris(2-oxobenzimidazolyl)hydroborato Complexes of Sodium and Thallium: New Classes of Bidentate and Tridentate Oxygen Donor Ligands. AB - A series of bis- and tris(oxobenzimidazolyl)hydroborato compounds, namely, [BoRBenz]Na and [ToRBenz]-Na (R = Me, But, Ad), which feature uncommon sterically demanding LX [O2] and L2X [O3] donor ligands, have been obtained via the reactions of NaBH4 with 1-R-1,3-dihydro-2H-benzimidazol-2-ones. Evidence that the alkyl substituents are suitably located to have a significant impact on the coordination environment is provided by the observation that the methyl derivative [ToMeBenz]Na(kappa3-diglyme) exhibits kappa3-coordination of the diglyme, whereas the t-butyl and adamantyl derivatives, [ToButBenz]Na(kappa2 diglyme) and [ToAdBenz]Na(kappa2-diglyme), exhibit kappa2-coordination. The [BoRBenz] and [ToRBenz] ligands also allow for isolation of discrete mononuclear thallium compounds, [BoRBenz]Tl and [ToRBenz]Tl, for which the steric demands of the ligands have been quantified in terms of both cone angle and buried volume concepts. PMID- 29210575 TI - Phase Separation Behavior of Supercharged Proteins and Polyelectrolytes. AB - Membraneless organelles, like membrane-bound organelles, are essential to cell homeostasis and provide discrete cellular subcompartments. Unlike classical organelles, membraneless organelles possess no physical barrier but rather arise by phase separation of the organelle components from the surrounding cytoplasm or nucleoplasm. Complex coacervation, the liquid-liquid phase separation of oppositely charged polyelectrolytes, is one of several phenomena that are hypothesized to drive the formation and regulation of some membraneless organelles. Studies of the molecular properties of globular proteins that drive complex coacervation are limited as many proteins do not form complexes with oppositely charged macromolecules at neutral pH and moderate ionic strengths. Protein supercharging overcomes this problem and drives complexation with oppositely charged macromolecules. In this work, several distinct cationic supercharged green fluorescent protein (GFP) variants were designed to examine the phase behavior with oppositely charged polyanionic macromolecules. Cationic GFP variants phase separated with oppositely charged macromolecules at various mixing ratios, salt concentrations, and pH values. Efficient protein incorporation in the macromolecule rich phase occurred over a range of protein and polymer mass fractions, but the protein encapsulation efficiency was highest at the midpoint of the phase separation regime. More positively charged proteins phase separated over broader pH and salt ranges than those of proteins with a lower charge density. Interestingly, each GFP variant phase separated at higher salt concentrations with anionic synthetic macromolecules compared to anionic biological macromolecules. Optical microscopy revealed that most variants, depending on solution conditions, formed liquid-liquid phase separations, except for GFP/DNA pairs that formed solid aggregates under all tested conditions. PMID- 29210576 TI - Valence Band Engineering of Layered Bismuth Oxyhalides toward Stable Visible Light Water Splitting: Madelung Site Potential Analysis. AB - A layered oxychloride Bi4NbO8Cl is a visible-light responsive catalyst for water splitting, with its remarkable stability ascribed to the highly dispersive O-2p orbitals in the valence band, the origin of which, however, remains unclear. Here, we systematically investigate four series of layered bismuth oxyhalides, BiOX (X = Cl, Br, I), Bi4NbO8X (X = Cl, Br), Bi2GdO4X (X = Cl, Br), and SrBiO2X (X = Cl, Br, I), and found that Madelung site potentials of anions capture essential features of the valence band structures of these materials. The oxide anion in fluorite-like blocks (e.g., [Bi2O2] slab in Bi4NbO8Cl) is responsible for the upward shift of the valence band, and the degree of electrostatic destabilization changes depending on building layers and their stacking sequence. This study suggests that the Madelung analysis enables a prediction and design of the valence band structures of bismuth and other layered oxyhalides and is applicable even to a compound where DFT calculation is difficult to perform. PMID- 29210577 TI - Design and Synthesis of Heteroleptic Iridium(III) Phosphors for Efficient Organic Light-Emitting Devices. AB - The phosphorescent emitters are essential to realize energy-efficient display and lighting panels. The solution processability is of particular interest for large scale and low-cost production. Here, we present a series of the heteroleptic iridium (Ir) complexes, Ir(ppy)2L1, Ir(ppy)2L2, and Ir(ppy)2L3, using the new ancillary ligands, including 1-(2-chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazole-4 carbaldehyde (L1), 5-hydroxy-3-methyl-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (L2), and 5-hydroxy-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (L3). Their photophysical and electrochemical properties were systematically characterized, followed by comparing with those predicted by density functional theory simulations using hybrid functionals. Among the three phosphors synthesized, Ir(ppy)2L1 exhibits the highest photoluminescence quantum yield (PhiPL = 89%), with an exciton lifetime of 0.34 MUs. By using 4,4'-bis(carbazole-9-yl)biphenyl as the host material, we demonstrate high current efficiencies of 64 and 40 cd A 1 at 100 cd m-2 in its vacuum-evaporated and solution-processed organic light emitting devices, respectively, revealing the promise for large-area light sources. PMID- 29210578 TI - Lewis Acid-Base Adducts of Sc2C2@C3v(8)-C82/N-Heterocyclic Carbene: Toward Isomerically Pure Metallofullerene Derivatives. AB - The addition of a bulky N-heterocyclic carbene (NHC) to Sc2C2@C3v(8)-C82 affords two monoadducts (2a and 2b) quantitatively and regioselectively, representing the first examples of Lewis acid-base pairs of metal carbide cluster fullerenes. 2b is likely a kinetically favorable labile product that cannot be isolated from the solution. The crystallographic results of 2a unambiguously demonstrate that one polarized C-C single bond is formed between the normal carbene site C2N of the NHC and a specific [5,6,6]-carbon atom out of 17 types of nonequivalent cage carbon atoms of Sc2C2@C3v(8)-C82. Theoretical calculations demonstrate that the high regioselectivity, the unexpected addition pattern, and the quantitative formation of monoadducts are synergistic results from the cage geometry and electron distribution on the cage. PMID- 29210579 TI - Imaging Electrode Heterogeneity Using Chemically Confined Fluorescence Electrochemical Microscopy. AB - By varying the total and the relative concentrations of a strong acid (HClO4) and a pH-sensitive fluorescent dye (8-hydroxypyrene-1,3,6-trisulfonate), this work demonstrates that both the hydrogen evolution reaction or the oxygen reduction reaction can be selectively and optically studied at an electrochemical interface. The local pH shift driven by the redox reaction can be visualized through fluorescence imaging of the interface. The use of finite strong acid concentrations further serves to constrain the pH change to a thin layer adjacent to the surface. This chemical confinement of the fluorophore improves the system's resolution and enables micrometer scale heterogeneity on the electrode surface to be readily visualized. PMID- 29210580 TI - Photocurrent Enhancement by a Rapid Thermal Treatment of Nanodisk-Shaped SnS Photocathodes. AB - Photocathodes made from the earth-abundant, ecofriendly mineral tin monosulfide (SnS) can be promising candidates for p/n-type photoelectrochemical cells because they meet the strict requirements of energy band edges for each individual photoelectrode. Herein we fabricated SnS-based cell that exhibited a prolonged photocurrent for 3 h at -0.3 V vs the reversible hydrogen electrode (RHE) in a 0.1 M HCl electrolyte. An enhancement of the cathodic photocurrent from 2 to 6 mA cm-2 is observed through a rapid thermal treatment. Mott-Schottky analysis of SnS samples revealed an anodic shift of 0.7 V in the flat band potential under light illumination. Incident photon-to-current conversion efficiency (IPCE) analysis indicates that an efficient charge transfer appropriate for solar hydrogen generation occurs at the -0.3 V vs RHE potential. This work shows that SnS is a promising material for photocathode in PEC cells and its performance can be enhanced via simple postannealing. PMID- 29210581 TI - Modeling of Human Fatty Acid Synthase and in Silico Docking of Acyl Carrier Protein Domain and Its Partner Catalytic Domains. AB - Human fatty acid synthase (hFAS) is a megasynthase whose main function is de novo biosynthesis of saturated fatty acids. Interest has been drawn to this enzyme beyond its physiological role due to the association between high levels of hFAS and clinical conditions such as obesity, diabetes, and cancer. Thus, it has become an undeniably attractive pharmacological target. Until now, no crystal structure of the complete hFAS is available, hindering attempts to fully understand this protein. Using homology modeling, we built a model of the entire megasynthase, encompassing all of its domains, including the acyl carrier protein (ACP) and thioesterase (TE) mobile domains absent in the crystal structure of mammalian fatty acid synthase (FAS). On a second stage, we used data-driven protein-protein docking between the substrate shuttling domain ACP and every catalytic domain in the protein. We also propose sets of amino acids at the interface of each domain that we believe are important to favor the interaction between ACP and each domain of hFAS. After inspection, we validated each complex between ACP and MAT/KS/KR/DH/ER domains through classical molecular dynamics simulations and RMSd analysis. Additionally, we mapped the interactions between the residues at the active site of each catalytic domain and its intermediaries. In every docking, we ensured that the distance between catalytic residues and the intermediaries was maintained. Until now, there was not a complete 3D model of this megasynthase. This study is the first to present a homology model for the whole hFAS, including its two mobile domains and possible poses of ACP throughout the cycle of fatty acid biosynthesis, thus mapping obligatory checkpoints in its trajectory. Hence, we believe that these structural insights will allow for future studies of the catalytic mechanism of the overall hFAS. PMID- 29210582 TI - Selective Suppression of Stimulated Raman Scattering with Another Competing Stimulated Raman Scattering. AB - A three-beam femtosecond stimulated Raman scattering (SRS) scheme is formulated and demonstrated to simultaneously induce two different SRS processes associated with Raman-active modes in the same molecule. Two SR gains involving a common pump pulse are coupled and compete: As one of the Stokes beam intensities increases, the other SRS is selectively suppressed. We provide theoretical description and experimental evidence that the selective suppression behavior is due to the limited number of pump photons used for both of the two SRS processes when an intense depletion beam induces one SRS process. The maximum suppression efficiency was ~60% with our experimental setup, where the SR gain of the ring breathing mode of benzene is the target SRS signal, which is allowed to compete with another SRS process, induced by an intense depletion beam, of the CH stretching mode. We anticipate a potential of this new switching-off concept in super-resolution label-free microscopy. PMID- 29210583 TI - Time-Resolved Infrared Spectroscopy on Plant Cryptochrome-Relevance of Proton Transfer and ATP Binding for Signaling. AB - Plant cryptochromes are light receptors in land plants and algae with very diverse functions such as circadian timing and lifecycle progression. The receptor consists of a photolyase homology region (PHR) binding the flavin chromophore and a C-terminal extension (CCT) responsible for signaling. The reputed signaling state, the flavin neutral radical, is formed by a femtosecond electron transfer and microsecond proton transfer to the excited, oxidized flavin. Subsequently, a 500 MUs loss of beta-sheet structure ~25 A away from flavin was resolved and suggested to be part of the signal conduction to the CCT. Here, we performed time-resolved, step-scan Fourier transform IR spectroscopy on the PHR of the plant cryptochrome pCRY (formerly CPH1) from Chlamydomonas reinhardtii. In a mutant lacking the proton donor aspartic acid 396 only the flavin anion radical is formed, but we observed the loss of beta-sheet structure with a time constant of 1.3 ms, similar to the 500 MUs of the wild type. This finding implies that the anion radical may be considered signaling-competent. In the steady state, a variation of external pH up to 8.3 did not have any effect on the difference spectra including the protonated state of Asp396. However, we detected the prominent loss of beta-sheet structure by illumination only in the presence of adenosine triphosphate (ATP). We conclude that the bound ATP stabilizes these light-induced changes in secondary structure to ensure a physiological lifetime compatible with signaling by plant cryptochrome. PMID- 29210584 TI - Stability of Substituted Phenyl Groups Electrochemically Grafted at Carbon Electrode Surface. AB - The electrochemical reduction of an aryl diazonium tetrafluoroborate salt, dissolved in acetonitrile, at a carbon electrode surface allowed the grafting of aryl groups with the formation of a carbon-carbon bond. Groups such as 4 carboxyphenyl, 4-nitrophenyl, 4-diethylaniline (DEA), and 4-bromophenyl were grafted at a glassy carbon electrode surface. The stability of these grafted groups, present at the glassy carbon electrode surface, was studied at various electrode potentials in aqueous media. In appropriate experimental conditions, the as-grafted groups severely inhibit the cyclic voltammetry response of selected redox probes. Thus, the reappearance and/or increase of an electrochemical response, after polarization, was taken as an indication that a modification of the grafted layer occurred. Our results demonstrated that polarization at very positive (ca. 1.8 V) and negative (ca. -2 V) potentials is needed to observe an electrochemical response. Electrochemical impedance and X ray photoelectron spectroscopies were also used to investigate the stability of the grafted layers. The impedance data usually tracks fairly well the cyclic voltammetry results, although the former appears to be more sensitive to changes that are occurring upon polarization of the modified electrode. Interestingly, the XPS data indicate clearly that the grafted layer is not always completely removed at the extreme positive and negative potentials investigated. A mechanism was proposed to explain the transformation occurring during polarization of the modified electrode and involves desorption of the substituted aryl groups during the concomitant hydrogen, oxygen, or chlorine evolution and finally leaving close to a covalently bonded monolayer of the grafted species at the electrode surface. PMID- 29210585 TI - Sulfur-Containing Aristoloxazines and Other Constituents of the Roots of Aristolochia orbicularis. AB - Six new compounds, aristoloxazine A (1), aristoloxazine B (2), 7 methoxytaliscanine (3), humul-7-en-1,4,11-triol (4), 8-hydroxy-beta-logipinene (5), and 1beta-hydroxy-4(14)-eudesmene (6), corresponding to two sulfur containing aristoloxazines (1 and 2), an aristolactam (3), and three sesquiterpenes (4-6) were isolated, along with 26 known compounds, from the roots of Aristolochia orbicularis. The structures of the new compounds were established based on their spectroscopic and spectrometric data and in the case of aristoloxazine A (1) by single-crystal X-ray crystallography. This is the first report of sulfur-containing aristoloxazines from a natural source. Furthermore, aristoloxazine A (1) was found to possess potent in vitro antimicrobial activity against all resistant Staphylococcus aureus and several fungal strains in which it was evaluated. PMID- 29210586 TI - Surface-Guided CsPbBr3 Perovskite Nanowires on Flat and Faceted Sapphire with Size-Dependent Photoluminescence and Fast Photoconductive Response. AB - All-inorganic lead halide perovskite nanowires have been the focus of increasing interest since they exhibit improved stability compared to their hybrid organic inorganic counterparts, while retaining their interesting optical and optoelectronic properties. Arrays of surface-guided nanowires with controlled orientations and morphology are promising as building blocks for various applications and for systematic research. We report the horizontal and aligned growth of CsPbBr3 nanowires with a uniform crystallographic orientation on flat and faceted sapphire surfaces to form arrays with 6-fold and 2-fold symmetries, respectively, along specific directions of the sapphire substrate. We observed waveguiding behavior and diameter-dependent photoluminescence emission well beyond the quantum confinement regime. The arrays were easily integrated into multiple devices, displaying p-type behavior and photoconductivity. Photodetectors based on those nanowires exhibit the fastest rise and decay times for any CsPbBr3-based photodetectors reported so far. One-dimensional arrays of halide perovskite nanowires are a promising platform for investigating the intriguing properties and potential applications of these unique materials. PMID- 29210587 TI - Organocatalytic Asymmetric Synthesis of Spiro-oxindole Piperidine Derivatives That Reduce Cancer Cell Proliferation by Inhibiting MDM2-p53 Interaction. AB - Asymmetric synthesis of pharmacologically interesting piperidine-fused spiro oxindole derivatives has been achieved via an organocatalytic Michael/aza Henry/hemiaminalization cascade reaction. Chiral compounds synthesized by this strategy potently inhibited the proliferation of several breast cancer cell lines. Mechanistic studies suggest that the most potent compound 9e can directly interfere with MDM2-p53 interactions and elevate protein levels of p53 and p21, thereby inducing cell cycle arrest and mitochondrial apoptosis. PMID- 29210588 TI - Exploring Tandem Ruthenium-Catalyzed Hydrogen Transfer and SNAr Chemistry. AB - A hydrogen-transfer strategy for the catalytic functionalization of benzylic alcohols via electronic arene activation, accessing a diverse range of bespoke diaryl ethers and aryl amines in excellent isolated yields (38 examples, 70% average yield), is reported. Taking advantage of the hydrogen-transfer approach, the oxidation level of the functionalized products can be selected by judicious choice of simple and inexpensive additives. PMID- 29210589 TI - Copper-Mediated Annulation of Phosphorus-Containing Arenes with Alkynes: An Approach to Phosphindolium Salts. AB - A novel method for the synthesis of pi-conjugated phosphindolium salts via copper mediated C-H functionalization of trisubstituted phosphines with alkynes in a single step is reported. The reactions are highly regioselective with unsymmetrical aryl-alkyl-substituted alkynes. This protocol provides an unprecedented atom- and step-efficient access to valuable phosphindolium salts. PMID- 29210590 TI - Weavable and Highly Efficient Organic Light-Emitting Fibers for Wearable Electronics: A Scalable, Low-Temperature Process. AB - Fiber-based wearable displays, one of the most desirable requisites of electronic textiles (e-textiles), have emerged as a technology for their capability to revolutionize textile and fashion industries in collaboration with the state-of the-art electronics. Nonetheless, challenges remain for the fibertronic approaches, because fiber-based light-emitting devices suffer from much lower performance than those fabricated on planar substrates. Here, we report weavable and highly efficient fiber-based organic light-emitting diodes (fiber OLEDs) based on a simple, cost-effective and low-temperature solution process. The values obtained for the fiber OLEDs, including efficiency and lifetime, are similar to that of conventional glass-based counterparts, which means that these state-of-the-art, highly efficient solution processed planar OLEDs can be applied to cylindrical shaped fibers without a reduction in performance. The fiber OLEDs withstand tensile strain up to 4.3% at a radius of 3.5 mm and are verified to be weavable into textiles and knitted clothes by hand-weaving demonstrations. Furthermore, to ensure the scalability of the proposed scheme fiber OLEDs with several diameters of 300, 220, 120, and 90 MUm, thinner than a human hair, are demonstrated successfully. We believe that this approach, suitable for cost effective reel-to-reel production, can realize low-cost commercially feasible fiber-based wearable displays in the future. PMID- 29210591 TI - Duplicate Type and Screen Testing: Waste in the Clinical Laboratory. AB - CONTEXT: - In the United States, approximately $65 billion dollars is spent per year on clinical laboratory testing, of which 20% to 30% of all testing is deemed inappropriate. There have been multiple studies in the field of transfusion medicine regarding evidence-based transfusion practices, but limited data exist regarding inappropriate pretransfusion testing and its financial and clinical implications. OBJECTIVE: - To assess duplicative testing practices in the transfusion medicine service. DESIGN: - A 24-month retrospective review was performed at a 1025-bed tertiary care center, identifying all duplicate type and screen (TS) tests performed within 72 hours of the previous TS. Duplicative testing was classified as appropriate or inappropriate by predetermined criteria. The level of underordering was analyzed through a query of the electronic event reporting system. A cost analysis was performed to determine the financial impact of inappropriate duplicative TS. RESULTS: - The mean rate of inappropriate, duplicative TS orders was 4.13% (standard deviation +/- 4.09%). Rates of inappropriate ordering ranged from 0.01% to 15.5% depending on the clinical service and did not correlate with volume of tests ordered. There were 8 reported cases of delayed blood delivery due to lack of a valid TS during the study period, demonstrating that underordering is also a harmful practice. The laboratory cost of inappropriate testing for the study period was $80,434, and phlebotomy costs were $45,469. CONCLUSIONS: - Our study demonstrates that inappropriate TS ordering is costly, both financially and clinically. By evaluating the percentage of inappropriate TS tests by clinical services, we have identified services that may benefit from additional education and technologic intervention. PMID- 29210592 TI - The Recent Pathology Residency Graduate Job Search Experience: A Synthesis of 5 Years of College of American Pathologists Job Market Surveys. AB - CONTEXT: - Pathology residents and fellows tailor their training and job search strategies to an actively evolving specialty in the setting of scientific and technical advances and simultaneous changes in health care economics. OBJECTIVE: To assess the experience and outcome of the job search process of pathologists searching for their first non-fellowship position. DESIGN: - The College of American Pathologists (CAP) Graduate Medical Education Committee has during the past 5 years sent an annual job search survey each June to CAP junior members and fellows in practice 3 years or less who have actively searched for a non fellowship position. RESULTS: - Job market indicators including job interviews, job offers, positions accepted, and job satisfaction have remained stable during the 5 years of the survey. Most survey respondents who had applied for at least 1 position had accepted a position at the time of the survey, and most applicants who had accepted a position were satisfied or very satisfied. However, most attested that finding a non-fellowship position was difficult. Despite a perceived push toward subspecialization in surgical pathology, the reported number of fellowships completed was stable. Respondent demographics were not associated with job search success with 1 significant exception: international medical school graduate respondents reported greater perceived difficulty in finding a position, and indeed, fewer reported having accepted a position. CONCLUSIONS: - Pathology residents and fellows seeking their first position have faced a relatively stable job market during the last 5 years, with most accepting positions with which they were satisfied. PMID- 29210593 TI - Front-line treatment of patients with chronic lymphocytic leukemia: a systematic review and network meta-analysis. AB - AIM: A systematic literature review and network meta-analysis were conducted to determine the relative efficacy and safety of interventions for treatment-naive chronic lymphocytic leukemia patients, as comparative evidence is scarce. MATERIALS & METHODS: Relative treatment effects of progression-free survival, overall survival and safety outcomes were estimated via network meta-analysis based on data identified via systematic literature review. RESULTS: Ibrutinib was superior in all pairwise comparisons for progression-free survival (probability to be better [P] range: overall population: 69-100%; fludarabine-ineligible population: 69-100%) and overall survival (P range: overall: 89-100%; fludarabine ineligible: 91-100%) and had the highest probability of being best for all outcomes. CONCLUSION: Ibrutinib provides superior benefit in survival and safety compared with other front-line treatments of chronic lymphocytic leukemia. PMID- 29210594 TI - The Effect of CS Administration or an R-Optimized Alternative on R-PAS Variables: A Meta-Analysis of Findings From Six Studies. AB - Controlling the number of Rorschach responses (R) as a method to reduce variability in the length of records has stimulated controversy among researchers for many years. Recently, the Rorschach Performance Assessment System (R-PAS; Meyer, Viglione, Mihura, Erard, & Erdberg, 2011 ) introduced an R-Optimized method to reduce variability in R. Using 4 published and 2 previously unpublished studies (N = 713), we examine the extent to which 51 Comprehensive System-based scores on the R-PAS profile pages are affected as a result of receiving Comprehensive System (CS; Exner, 2003 ) administration versus a version of R Optimized administration. As hypothesized, R-the intended target of R-Optimized administration-showed reliable weighted average differences across each method of administration. As expected, its mean modestly increased and its standard deviation notably decreased. Also as hypothesized, the next largest effects were decreases in the variability (SD) of 2 variables directly related to R, R8910% and Complexity. No other reliable differences were observed. Therefore, because R Optimized administration does not notably modify the existing CS-based normative values for other profiled R-PAS variables, the data do not support concerns that R-Optimized administration notably modifies the Rorschach task or that existing CS research data would not generalize to R-PAS. However, because R-Optimized administration reduces variability in R, it allows a single set of norms to apply readily to more people. PMID- 29210595 TI - Evaluation of anionic surfactant removal by anaerobic degradation of commercial laundry wastewater and domestic sewage. AB - An expanded granular sludge bed reactor was evaluated for the anaerobic digestion of commercial laundry wastewater and domestic sewage focused on the removal of linear alkylbenzene sulfonate (LAS). The reactor was operated in three stages, all under mesophilic conditions and with a hydraulic retention time of 36 h. At stage I, the laundry wastewater was diluted with tap water (influent: 15.3 +/- 4.9 mg LAS/L); at stage II, 50% of the feed volume was domestic sewage and 50% was a mixture of tap water and laundry wastewater (influent: 15.8 +/- 4.9 mg LAS/L); and at stage III, only domestic sewage was used as a diluent of the laundry wastewater (influent: 24.1 +/- 4.1 mg LAS/L). Due to the addition of domestic sewage the organic compounds content and LAS in the influent increased. Under such conditions, it was observed that LAS removal rate decreased from 77.2 +/- 14.9% (stage I) to 55.3 +/- 18.4% (stage III). Statistical tests indicated that the decrease of the LAS removal rate was significant and indicated a correlation between the removal of LAS and specific organic loading rate. The analysis of 16S rRNA gene sequencing revealed genera similar to Geobacter, Desulfovibrio, Syntrophomonas, Syntrophus, Desulfobulbus, Desulfomonile, and Desulfomicrobium, which were related to the degradation of LAS. PMID- 29210596 TI - Mayo registry for telemetry efficacy in arrest study: An evaluation of the feasibility of the do not intubate code status. AB - INTRODUCTION: Guidelines recommend discussing code status with patients on hospital admission. No study has evaluated the feasibility of a full code with do not intubate (DNI) status. METHODS: A retrospective analysis of patients who experienced a cardiopulmonary arrest was performed between May 1, 2008 and June 20, 2014. A descriptive analysis was created based on whether patients required mechanical ventilatory support during the hospitalization and comparisons were made between both patient subsets. RESULTS: A total of 239 patients were included. Almost all (n = 218, 91.2%) required intubation during the hospitalization. Over half (n = 117, 53.7%) were intubated on the same day as the cardiopulmonary arrest and 91 patients (41.7%) were intubated at the time of arrest. Comparisons between intubated and non-intubated patients showed little differences in clinical characteristics, except for a higher proportion of medical cardiac etiology for admission in patients who did not require intubation (n = 10, 47.6% versus n = 55, 25.2%; p = 0.18) and initial arrest rhythm of ventricular tachycardia/fibrillation (n = 8, 38.1% versus n = 50, 22.9%; p = 0.37). No differences in 24-hour and posthospital survivals were present. CONCLUSION: Mechanical ventilatory support is commonly utilized in patients who experience a cardiopulmonary arrest. The DNI status may not be a feasible code status option for most patients. PMID- 29210597 TI - Spouse's subjective social status predicts older adults' prospective cognitive functioning. AB - OBJECTIVES: The current study aims to investigate the association between subjective social status (SSS) and prospective cognitive functioning of older adults and their spouses, and to explore the potential mediating roles of health habits and physical activities in this association. METHOD: Using the longitudinal data of 512 pairs of community-dwelling older couples aged 65-91 years (M = 72.2 +/- 4.6), we tested the effects of SSS in cognitive functioning using an Actor-Partner Interdependence Model. SSS was measured by a self anchoring social ladder, and cognitive functioning was measured by the Mini Mental State Examination at baseline and 4-year follow-up. Socioeconomic status (i.e. education) was tested as a moderator, and physical activity (measured by the Physical Activity Scale for the Elderly) as well as health habits (i.e. tobacco and alcohol consumption) were included as potential mediators. RESULTS: A partner effect of SSS was found only in the low-education group, in which the wife's higher level of SSS in the community was associated with the husband's better cognitive functioning in the follow-up. A small proportion of this effect was found to be partially mediated by participation in housework, such that the wife's higher SSS was associated with the husband's increased housework activity, which was related to higher prospective cognitive functioning. CONCLUSION: By examining the dyadic effects of SSS with a longitudinal design, our findings extended the understanding on how subjective social status influenced older couples' cognitive health, and provided evidence-based insights for future studies on cognitive health in later life. PMID- 29210599 TI - Obesity in COPD: Revealed and Unrevealed Issues. AB - The interactions between obesity and chronic obstructive pulmonary disease (COPD) are being increasingly explored. In part, this is due to the globally increasing prevalence rates of obesity. The prevalence of obesity in COPD patients is variable, and it seems that obesity is more common in COPD patients compared with subjects who do not have COPD. However, further studies are encouraged in this area due to observed inconsistencies in the current data. In this review, we focus on the knowledge of the effects of obesity on dyspnea, pulmonary function, exercise capacity and exacerbation risk. Reduction of dyspnea is one of the main therapy targets in COPD care. There is still no consensus as to whether obesity has a negative or even a positive effect on dyspnea in COPD patients. It is hypothesized that obese COPD patients might benefit from favourable respiratory mechanics (less lung hyperinflation). However, despite less hyperinflation, obesity seems to have a negative influence on exercise capacity measured with weight-bearing tests. This negative influence is not seen with weight-supported exercise such as cycling. With respect to severe exacerbations, obesity seems to be associated with better survival. In summary, it is concluded that due to differences in study methodology and cohort selection, there are still too many knowledge gaps to develop guidelines for clinical practice. Further exploration is needed to get conclusive answers. PMID- 29210600 TI - Potential silver nanoparticles migration from commercially available polymeric baby products into food simulants. AB - In recent years, silver nanoparticles (AgNPs) have been extensively employed in food packaging systems as a potential antibacterial agent. Although proven to be highly effective, the increased number of AgNP-containing products raises concerns among consumers regarding the migration of AgNPs from the packaging material into foods, which may exert toxic effects. To address this, five baby products were chosen (baby bottle A, baby bottle B, pacifier A, pacifier B and breastmilk storage bag) to investigate AgNPs migration into three food simulants (deionised water, 4% acetic acid (w/v) and 50% ethanol (v/v)) using inductively coupled plasma mass spectrometry (ICP-MS). As a result, the highest level of migrated Ag was observed for 4% acetic acid in the case of baby bottle B, pacifier A, pacifier B and the breastmilk storage bag, with the detection amount ranging from 1.05-2.25 ng/mL. On the other hand, baby bottle A showed the maximum migration for 50% ethanol due to the polymer nature. Finally, a centrifugal ultrafiltration experiment was conducted to determine the fraction of dissolved Ag in acidic simulant and it was found that migrated Ag was predominantly in Ag+ form, with a small fraction of non-ionic AgNPs. Thus, it has been found that the amount of migrated Ag in baby products was low; however, the migration was dependent on the type of food simulant and polymer nature. PMID- 29210601 TI - Ranking Quantitative Resistance to Septoria tritici Blotch in Elite Wheat Cultivars Using Automated Image Analysis. AB - Quantitative resistance is likely to be more durable than major gene resistance for controlling Septoria tritici blotch (STB) on wheat. Earlier studies hypothesized that resistance affecting the degree of host damage, as measured by the percentage of leaf area covered by STB lesions, is distinct from resistance that affects pathogen reproduction, as measured by the density of pycnidia produced within lesions. We tested this hypothesis using a collection of 335 elite European winter wheat cultivars that was naturally infected by a diverse population of Zymoseptoria tritici in a replicated field experiment. We used automated image analysis of 21,420 scanned wheat leaves to obtain quantitative measures of conditional STB intensity that were precise, objective, and reproducible. These measures allowed us to explicitly separate resistance affecting host damage from resistance affecting pathogen reproduction, enabling us to confirm that these resistance traits are largely independent. The cultivar rankings based on host damage were different from the rankings based on pathogen reproduction, indicating that the two forms of resistance should be considered separately in breeding programs aiming to increase STB resistance. We hypothesize that these different forms of resistance are under separate genetic control, enabling them to be recombined to form new cultivars that are highly resistant to STB. We found a significant correlation between rankings based on automated image analysis and rankings based on traditional visual scoring, suggesting that image analysis can complement conventional measurements of STB resistance, based largely on host damage, while enabling a much more precise measure of pathogen reproduction. We showed that measures of pathogen reproduction early in the growing season were the best predictors of host damage late in the growing season, illustrating the importance of breeding for resistance that reduces pathogen reproduction in order to minimize yield losses caused by STB. These data can already be used by breeding programs to choose wheat cultivars that are broadly resistant to naturally diverse Z. tritici populations according to the different classes of resistance. PMID- 29210602 TI - Assessment of the comparability of CLSI, EUCAST and Stokes antimicrobial susceptibility profiles for Escherichia coli uropathogenic isolates. AB - BACKGROUND: As many clinical laboratories convert between Stokes, Clinical and Laboratory Standards Institute (CLSI) and European Committee for Antimicrobial Susceptibility Testing (EUCAST) methods, the problem of comparing differently derived sets of antimicrobial susceptibility testing (AST) data with each other arises, owing to a scarcity of knowledge of inter-method comparability. The purpose of the current study was to determine the comparability of CLSI, EUCAST and Stokes AST methods for determining susceptibility of uropathogenic Escherichia coli to ampicillin, amoxicillin-clavulanate, trimethoprim, cephradine/cephalexin, ciprofloxacin and nitrofurantoin. METHODS: A total of 100 E. coli isolates were obtained from boric acid urine samples from patients attending GP surgeries. For EUCAST and CLSI, the Kirby-Bauer disc diffusion method was used and results interpreted using the respective breakpoint guidelines. For the Stokes method, direct susceptibility testing was performed on the urine samples. RESULTS: The lowest levels of agreement were for amoxicillin clavulanate (60%) and ciprofloxacin (89%) between the three AST methods, when using 2017 interpretive guidelines for CLSI and EUCAST. A comparison of EUCAST and CLSI without Stokes showed 82% agreement for amoxicillin-clavulanate and 94% agreement for ciprofloxacin. Discrepancies were compounded by varying breakpoint susceptibility guidelines issued during the period 2011-2017, and through the inclusion of a definition of intermediate susceptibility in some cases. CONCLUSIONS: Our data indicate that the discrepancies generated through using different AST methods and different interpretive guidelines may result in confusion and inaccuracy when prescribing treatment for urinary tract infection. PMID- 29210603 TI - An unexpected switch in peptide binding mode: from simulation to substrate specificity. AB - A ten microsecond molecular dynamics simulation of a kallikrein-related peptidase 7 peptide complex revealed an unexpected change in binding mode. After more than two microseconds unrestrained sampling we observe a spontaneous transition of the binding pose including a 180 degrees rotation around the P1 residue. Subsequently, the substrate peptide occupies the prime side region rather than the cognate non-prime side in a stable conformation. We characterize the unexpected binding mode in terms of contacts, solvent-accessible surface area, molecular interactions and energetic properties. We compare the new pose to inhibitor-bound structures of kallikreins with occupied prime side and find that a similar orientation is adopted. Finally, we apply in silico mutagenesis based on the alternative peptide binding position to explore the prime side specificity of kallikrein-related peptidase 7 and compare it to available experimental data. Our study provides the first microsecond time scale simulation data on a kallikrein protease and shows previously unexplored prime side interactions. Therefore, we expect our study to advance the rational design of inhibitors targeting kallikrein-related peptidase 7, an emerging drug target involved in several skin diseases as well as cancer. PMID- 29210605 TI - Cognitive and behaviour profiles of children with mucopolysaccharidosis Type II. AB - Mucopolysaccharidosis Type II (MPS II) or Hunter Syndrome is a rare X-linked condition, due to a defect in a lysosomal enzyme involved in the breakdown of glycosaminoglycans. It is a progressive condition with worsening over time; however, symptom severity and progression rates vary. Normal intellectual function has been reported in males with mild MPS II but few studies are available that provide comprehensive cognitive profiles. Enzyme replacement therapy (ERT) can stabilize physical symptoms and has become standard treatment. Whether ERT can influence cognition is currently unknown. Considering this, we conducted cognitive, fine motor, and behavioural assessments with three males (7;6-12;1 years) with mild MPS II before and after ERT. Generally, cognition, fine motor skills, and behaviour were in the normal range; however, specific deficits in attention and executive function were identified. Following ERT, some memory improvements were seen. Executive deficits remained, and processing speed declined over time. PMID- 29210606 TI - Development and validation of a confirmatory method for the determination of stilbene estrogens in ostrich serum. AB - A simple and accurate ultra-high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method was developed and validated for the first time as a confirmatory method for the simultaneous determination of stilbenes - hexestrol and diethylstibestrol in serum. Extraction was based on a simple acid denaturation of protein followed by liquid-liquid extraction using methyl tert butyl ether. Extracts were directly injected into the UHPLC-MS/MS without further purification. Excellent recoveries in the range 82-99% and 91-128% were obtained for hexestrol and diethylstibestrol, respectively. Both within-day repeatability and between-day reproducibility were generally satisfactory with RSD <20%. The linearity of the internal standard based matrix-matched calibration curve measured as the coefficient of regression (r2) was generally >0.99 for both hexestrol and diethylstibestrol. Both matrix effect and uncertainties associated with sample preparation and instrumental analysis were significantly reduced with the use of a deuterated compound (hexestrol-d4) as internal standard. The LOD and LOQ were 0.09 and 0.08 ng/ml, and 0.28 and 0.25 ng/ml, respectively, for hexestrol and diethylstibestrol. The method was found to be suitable for the simultaneous determination of hexestrol and diethylstibestrol in serum. PMID- 29210607 TI - Detection of anorexia nervosa in primary care. AB - In the years preceding diagnosis, individuals with anorexia nervosa (AN) attend more primary care appointments than their peers. Primary care physicians (PCPs) may be uniquely situated to detect AN in early manifestations. In this study, a sample of physicians was recruited online. Videotaped vignettes of a primary care appointment were shown to these participants, who were asked to diagnose the patient and could make a referral. 61.2% of participants identified an eating disorder (ED) diagnosis. However, of those, only 40% intended to refer for therapy. These findings suggest that the rate of referral to mental health is problematically low among PCPs. PMID- 29210608 TI - Occurrence and risk assessment of population exposed to deoxynivalenol in foods derived from wheat flour in Brazil. AB - Deoxynivalenol (DON) is the most important of the trichothecenes in terms of amounts and occurrence in wheat. This compound was shown to be associated with a glomerulonephropathy involving an increase of immunoglobulin A in humans. This study assessed the occurrence of DON in wheat flour and the exposure of Brazilian teenagers, adults and elderly to this mycotoxin due to intake of wheat flour based products. DON extraction in wheat flour was carried out by solid phase extraction and the quantification was performed by ultra-high proficiency liquid chromatography with diode-array detection. A total of 77.9% of all samples were positive for DON, with concentrations ranging from 73.50 to 2794.63 ug kg-1. The intake was calculated for the average and 90th percentile of the contamination levels of DON in foods based-wheat for teenagers, adults and elderly in Brazil, and compared with the provisional maximum tolerable daily intakes (PMTDI). Females of all age groups were exposed to DON at higher levels when compared to males in regard of consumption of breads and pastas. Teenagers were the main consumers of foods derived from wheat flour, with maximum probable daily intakes of 1.28 and 1.20 ug kg-1 b.w. day-1 for females and males, respectively. This population is at an increased risk of exposure to DON due to consumption of wheat flour-based foods in Brazil. PMID- 29210609 TI - Dietary intakes of six intense sweeteners by Irish adults. AB - This research investigated the intakes of six intense sweeteners: acesulfame-K (E950), aspartame (E951), cyclamate (E952), saccharin (E954), sucralose (E955), and steviol glycosides (E960) in the diets of Irish adults, using data from the National Adult Nutrition Survey. A food label survey that included products currently available on the Irish market supplemented the analysis. Sweetener intakes were investigated using three different exposure scenarios; beginning with a crude assessment which assumed that all foods permitted to contain the additives of interest always did contain them, and at their maximum permitted level (Tier 1). Refined assessments estimated intakes of the six sweeteners using food consumption data up to brand level with additive occurrence data from a survey of products currently available on the Irish market (Tier 2) and sweetener concentration data (Tier 3). Results of all exposure assessment scenarios demonstrate that intakes of each of the sweeteners of interest by the total population were below the relevant ADI level (mg kg-1 bodyweight-1), even by high consumers (P99). The three sweeteners consumed in highest amounts were acesulfame k, aspartame, and sucralose. The main sources of these sweeteners in the diet were 'cider and perry', 'energy reduced and no added sugar (ER and NAS) carbonated flavoured drinks', 'table-top sweeteners', 'dairy products', 'solid food supplements', and 'sauces'. Intakes of the six intense sweeteners are currently not a concern among Irish adults. However, exposure to these chemicals should be monitored on a regular basis due to evolving market and consumption patterns. PMID- 29210610 TI - Effects of feeding bentonite clay upon ochratoxin A-induced immunosuppression in broiler chicks. AB - A presence of mycotoxins in feed is one of the most alarming issues in the poultry feed industry. Ochratoxins, produced by several Aspergillus and Penicillium species, are important mycotoxin regarding the health status of poultry birds. Ochratoxins are further classified into to several subtypes (A, B, C, etc) depending on their chemical structures, but ochratoxin A (OTA) is considered the most important and toxic. Bentonite clay, belonging to phyllosilicates and formed from weathering of volcanic ashes, has adsorbent ability for several mycotoxins. The present study was designed to study the effects of bentonite clay upon OTA-induced immunosuppression in broiler chicks. For this, 480 day-old broiler chicks were procured from a local hatchery and then different combinations of OTA (0.15, 0.3, or 1.0 mg/kg) and bentonite clay (5, 10, and 20 g/kg) were incorporated into their feed. At 13, 30, and 42 days of age, parameters such as antibody responses to sheep red blood cells, in situ lymphoproliferative responses to mitogen (PHA-P), and in situ phagocytic activity (i.e., via carbon clearance) were determined respectively. The results indicated there was a significant reduction of total antibody and immunoglobulin titres, lymphoproliferative responses, and phagocytic potential in OTA-treated birds, suggesting clear immunosuppression by OTA in birds in a dose-dependent manner. These results were also significantly lower in all combination groups (OTA with bentonite clay), suggesting few to no effects of feeding bentonite clay upon OTA- induced alterations in different immune parameters. PMID- 29210611 TI - Tracking residual organochlorine pesticides (OCPs) in green, herbal, and black tea leaves and infusions of commercially available tea products marketed in Poland. AB - The content of residual organochlorine pesticides (OCPs) was examined in green, herbal, and black tea leaves as well as in their infusions prepared from tea products marketed in the main supermarkets in Poland. It was found that the detected mean levels of organochlorine residues in tea leaves ranged from 3 loose stools per day for >= 3 months without an identifiable cause. Safety was evaluated by monitoring adverse events (AEs) and clinical laboratory testing. Health status and changes in GI symptoms were assessed using validated questionnaires. Results SBI was well tolerated by the 103 participants with only 2 withdrawals due to AEs potentially associated with SBI. Mean number of daily unformed stools decreased from about 4 at baseline to less than 2 by week 4 for all study groups. Improvements in several other GI symptoms were also reported. Comparison of the PBO group to SBI groups showed no significant differences, although both SBI cohorts reported significantly improved health status scores. GI symptom improvements were maintained throughout the 20-week PBO-free phase. Conclusions Oral SBI is safe and well tolerated at the doses studied in HIV patients with chronic diarrhea. No conclusions could be drawn regarding impact on GI symptoms. Additional studies are ongoing to examine the biological and immunologic effects of SBI in virologically suppressed HIV-infected patients. PMID- 29210628 TI - Editorial: Renin-Angiotensin System: Role in Chronic Diseases. PMID- 29210627 TI - Pharmacokinetic analysis of nevirapine extended release 400 mg once daily vs nevirapine immediate release 200 mg twice daily formulation in treatment-naive patients with HIV-1 infection. AB - BACKGROUND: VERxVE data showed non-inferior virologic efficacy with extended release nevirapine (NVP-XR) dosed 400 mg once daily (QD) versus immediate release nevirapine (NVP-IR) 200 mg twice daily in a double-blind, non-inferiority study in treatment-naive HIV-1-positive patients. OBJECTIVE: To study the pharmacokinetics (PK) of the NVP formulations and identify possible associations with demographic factors. METHODS: Patients with viral load >=1000 copies/mL and CD4+ count > 50- <400 cells/mm3 (males) and >50- <250 cells/mm3 (females) at screening received NVP-IR 200 mg QD during a 14-day lead-in and were then stratified by baseline viral load and randomized to NVP-XR or -IR. NVP trough concentrations at steady state (SS) (Cpre,ss,N) were measured up to week 48 for all participating patients. In a PK sub-study, SS parameters - AUC0-24, Cmax, Cmin, and peak-to-trough fluctuation were obtained and analyzed with relative bioavailability assessed at week 4 by plasma collection over 24 h. RESULTS: Trough concentrations were stable from week 4 to week 48 for all patients (n = 1011) with both formulations, with NVP-XR/IR ratios of 0.77-0.82. Overall, 49 patients completed the PK sub-study: 24 XR and 25 IR. NVP-XR showed less peak-to trough fluctuation (34.5%) than IR (55.2%), and lower AUC0-24, Cmin, Cmax, and trough concentrations than IR. However, no effect of SS trough concentrations was found on the virologic response proportion at least up to 1000 ng/mL. No significant association was found between NVP PK and gender, race, and viral load. CONCLUSION: These data suggest NVP-XR achieves lower but effective NVP exposure compared with NVP-IR. PMID- 29210629 TI - Development of a Substrate Identification Method for Human Scp1 Phosphatase Using Phosphorylation Mimic Phage Display. AB - BACKGROUND: Protein phosphorylation is strictly regulated by protein kinases and protein phosphatases, and disordered regulation of protein phosphorylation often causes serious diseases, such as cancer. Protein phosphatases are divided into two major groups: tyrosine (Tyr) phosphatases and serine/threonine (Ser/Thr) phosphatases. Substrate trapping mutants are frequently used to characterize Tyr phosphatases and identify their substrates; however, a rapid and simple method to identify substrates for Ser/Thr phosphatases has yet to be developed. Recently it has reported that AlF4 -/AlF3 and BeF3 - form a complex with Mg2+ in the catalytic center of FCP/SCP phosphatases, and that the Mg2+-AlF4 -/AlF3 complex mimics the transition state of the hydrolysis step, while the Mg2+-BeF3 - complex mimics the aspartylphosphate intermediate. OBJECTIVES: The main objective of this study was to develop a novel methodology, termed Phosphorylation Mimic Phage Display (PMPD), to identify substrates for Ser/Thr phosphatase Scp1 using peptide phage display libraries with Mg2+ and AlF4 -. METHODS: Recombinant protein of human full-length Scp1 (rScp1) expressed in E. coli system was purified by Co2+ chelated affinity column, and then confirmed by SDS-PAGE and Western-blot analysis. The Ph.D.-C7C or M12 Phage Display Libraries (New England BioLabs, Beverly, MA) were screened using purified rScp1 immobilized on ELISA plate. Then, the plate was blocked with 0.5% (w/v) BSA in maleate buffer at 4 degrees C for 3 h, before adding approximately 1*1010 plaque-forming units (pfu) of the phages in maleate blocking AlF4 - buffer to each well. After incubating, the wells were washed with maleate AlF4 - buffer to remove unbound phages. Then, phages were eluted with Mg2+ and AlF4 - free maleate buffer or with excess rScp1. After the third round of screening, the isolated phages were sequenced and subjected to binding analyses. RESULTS: After panning by PMPD method, 46 and 60 clones were isolated from the Ph.D. C7C and Ph.D. 12 phage libraries, respectively, as Mg2+ or/and AlF4 - -dependent binding clones. The binding analyses showed that M12-1 and Dep-3 specifically bind to Scp1 in an AlF4 --dependent manner. Notably, the Dep-3 peptide contained a Thr-Pro-Met-Ser sequence, which is similar to the Ser2 Pro3-Thr4-Ser5 (Ser/Thr-Pro-partially hydrophobic residue-Ser) sequence found in CTD, which is an endogenous substrate for Scp1. Binding analyses also showed that both BP-14 and M12-6a bound to Scp1 in a Mg2+-dependent manner. BP-14 peptide contained Ser- Thr-Tyr and Pro-Phe-Glu sequences, which are similar to the Ser Thr-Trp and Ile-Phe-Glu sequences found in M12-6a, suggesting that one or both of these tripeptides may be the binding motif(s) recognized by Scp1. CONCLUSION: We developed a substrate identification method for the Ser/Thr phosphatase Scp1 using a novel phage display method with AlF4 -. Dep-3 showed a core sequence similar to that of the CTD of RNA polymerase II, an endogenous Scp1 substrate, suggesting that this method is applicable for identifying novel Scp1 substrate candidates. This method will also be applicable for other FCP/SCP-type phosphatases, allowing us to better understand the substrate recognition mechanisms of Ser/Thr phosphatases. PMID- 29210630 TI - Use of a Phage-Display Method to Identify Peptides that Bind to a Tin Oxide Nanosheets. AB - BACKGROUND: Nanosheets of SnO2 which an n-type semiconductor with a rutile-type crystalline structure are predominantly used as gas sensors. SnO2 nanosheets have a tetragonal crystal structure where growth along the c-axis is suppressed to form a sheet. The major exposed facets of SnO2 nanosheets have {110}, {101} and {211} crystal planes along the a-axis, with the reduced {110} surface having a particularly high surface energy. Identifying peptides that bind to specific crystal planes by using peptide phage-display approach will increase the potential applications of metal oxide nanomaterials by fusing proteins with desirable active sites to peptides that adsorb at high density on the major exposed crystal plane of nanosheets. It may be possible to construct highly sensitive biosensors. OBJECTIVES: The main objective of the present study is to identify peptides that adsorb preferentially to a SnO2 nanosheet by using peptide phage display approach. METHODS: Four milligrams of SnO2 nanosheet were mixed with 1011 plaque-forming units of Ph.D.-12 Phage Display Peptide Library. Phage bound nanosheet particles were washed 10 times with 1 mL of phosphatebuffered saline containing 0.5% Tween 20. Phages bound to the nanosheet were eluted with three different buffers: (1) high-salt buffer containing 2 M NaCl (pH 7.5); (2) acidic buffer containing 200 mM Gly-HCl (pH 2.2); and (3) high-phosphate-ion buffer containing 500 mM NaH2PO4 (pH 7.5). The eluted phages were subjected to four or five rounds of biopanning. At each round, individual plaques were picked from the plates, and the amino acid sequences of the peptides were identified by DNA sequencing. The identified SnO2-binding peptides labeled with fluorescein isothiocyanate were synthesized. Adsorption isotherms were constructed at peptide concentrations ranging from 0.25 to 2.0 uM with 4mg of nanomaterials. RESULTS: We were determined the sequences of 11 clones with the high-salt buffer, 7 with the high-phosphateion buffers, and 6 with the acidic buffer and three peptides (SnO2BPn1, 2, and 3), two peptides (SnO2BPa1 and SnO2BPa2), and one peptide (SnO2BPp1) concentrated under each condition were selected respectively. All six selected peptides contained at least one histidine residue. In addition, the His Asn-Leu (HNL) sequence was found in two of the peptides (SnO2BPa1 and SnO2BPa2). We constructed adsorption isotherms for the six selected peptides using 4mg of nanosheets. All six peptides were well adsorbed on the SnO2 nanosheet. The adsorption isotherms for SnO2 material with different structure revealed that SnO2BPn1, -2, and -3, and SnO2BPp1, preferentially bound to the spherical SnO2 nanoparticles. SnO2BPa2 preferentially bound to the SnO2 nanosheet, and SnO2BPa1 bound equally to both materials. This result suggested that SnO2BPa2 bound to a specific crystal plane of the nanosheet. The major exposed facet of the SnO2 crystal was the {110} plane, suggesting that SnO2BPa2 likely adsorbed on the {110} plane. SnO2BPn1, SnO2BPn2, SnO2BPn3, SnO2BPa1, and SnO2BPp1 also bound to the other metal oxides, in particular to ZrO2. At pH 7.5, peptides with a negative charge at pH 7.5 (pI 8.5-12) can bind to ZrO2 and SnO2, if the binding is mediated by electrostatic interactions. Thus, it is likely that these five peptides bind to metal oxides via electrostatic interactions. In contrast, SnO2BPa2 had a structurally specific affinity, binding more with the SnO2 nanosheet than with the spherical SnO2 nanoparticles or other metal oxides. CONCLUSION: We identified six peptides that adsorbed on a SnO2 nanosheet. Five of the selected peptides bound preferentially to spherical SnO2 nanoparticles rather than to the SnO2 nanosheet. Whereas, SnO2BPa2 exhibited specifically binding to the SnO2 nanosheet. Our results suggest that crystal plane recognition and material recognition by these peptides are mediated via different, independent mechanisms. PMID- 29210631 TI - Uterine Function: From Normal to Polycystic Ovarian Syndrome Alterations. AB - BACKGROUND: The endometrium is one of the most important female reproductive organs. Polycystic ovarian syndrome (PCOS) is a reproductive and endocrine pathology that affect women of reproductive age. PCOS negatively affects the endometrium, leading to implantation failure and proliferative aberrations. METHODS: We conducted a search at the http://www.ncbi.nlm.nhi.gov/pubmed/electronic database using the following key words: endometrial steroid receptors, endometrium, uterine function, endometrium and PCOS, implantation window, implantation and PCOS, implantation markers, inflammation, oxidative stress. We selected the articles based on their titles and abstracts, then we analyzed the full text and classified the articles depending on the information provided according to the sections of the present review. RESULTS: The endocrine and metabolic abnormalities displayed in women with PCOS promote complex effects on the endometrium, leading to a low rate of implantation and even infertility. Women with PCOS show alterations in the Hypothalamic-Pituitary- Ovarian axis, which results in constant circulating levels of estrogen, similar to those at the early follicular phase, and a deficiency in the withdrawal of estrogen and progesterone. Besides this deficiency in the withdrawal of estrogen and progesterone, the insulin/ glucose pathway, adhesion molecules, cytokines and the inflammatory cascade, together with the establishment of a pro-oxidative status, lead to an imbalance in the uterine function, which in turn leads to implantation failure or even endometrial cancer. CONCLUSION: Women with PCOS display a dysregulation of the Hypothalamic Pituitary- Ovarian axis, which alters the steroid pathway. In addition, the deficiency in the withdrawal of estrogen and progesterone in the endometrium results in abnormal endometrial cellular proliferation. The imbalance in adipose tissue observed in PCOS patients reinforces the increase in circulating hormones. The present review describes the role of hormones, metabolites, cytokines, adhesion molecules and the insulin/glucose pathway related to the uterine endometrium in women with PCOS and their role in implantation failure and development of endometrial cancer. PMID- 29210633 TI - Recent Evidence on the Role of Dietary PUFAs in Cancer Development and Prevention. AB - BACKGROUND: Scientific evidence has been accumulated about the effects of polyunsaturated fatty acids (PUFAs) on human health. The hypothesis that n-3 PUFAs might improve the efficiency of anticancer drugs has recently been considered. The role of n-6 PUFAs, in contrast, needs to be better assessed. However, the effective mechanisms of action of PUFAs have not been fully clarified yet. This review aims to report the most updated evidence on the role of n-6 and n-3 PUFAs in the development and treatment of human cancers, focusing on the potential mechanisms by which PUFAs exert their effects. METHODS: We undertook a structured search in PubMed on February 17th 2017 for peer-reviewed research articles published from 2013. The search syntax used was: PUFA or PUFAs and cancer. RESULTS: Contradictory results were found, most likely due to the genetic background, the different dietary sources used, the interaction among different nutrients, and the tumor subtypes. However, the more recent findings strongly support the use of n-3 PUFAs in cancer prevention and treatment. On the other hand, n-6 PUFAs are often associated with an increased risk of cancer, even if recently their beneficial effects have also been highlighted. CONCLUSION: N-3 PUFAs may represent a potential therapeutic agent contributing to treat at least some type of human cancers. However, studies with larger sample sizes and longer follow-up times are still needed. To increase the knowledge about how food and nutrition can improve human health it is advisable to deliver an open access nutritional database. PMID- 29210632 TI - Role of Matrix Metalloproteinases in Degenerative Kidney Disorders. AB - Matrix metalloproteinases (MMPs) are members of calcium dependent-zinc containing endopeptidases that play a pivotal role in extracellular matrix (ECM) remodeling. MMPs are also known to cleave non-matrix proteins, including cell surface receptors, TNF-alpha, angiotensin-II, growth factors, (especially transforming growth factor-beta1, TauGF- beta1) plasminogen, endothelin and other bioactive molecules. The tissue inhibitors of metalloproteinases (TIMPs) inhibit the activity of MMPs and decrease ECM degradation. Various patho-physiological conditions have been linked with the imbalance of ECM synthesis and degradation. Numerous studies have reported the significance of MMPs and TIMPs in the progression of kidney pathologies, including glomerulonephritis, diabetic nephropathy, renal cancer, and nephrolithiasis. Although dysregulated activity of MMPs could directly or indirectly lead to pathological morbidities, their contribution in disease progression is still understated. Specifically, MMP activity in the kidneys and it's relation to kidney diseases has been the subject of a limited number of investigations. Therefore, the aim of the present review is to provide an updated insight of the involvement of MMPs and TIMPs in the pathogenesis of inflammatory and degenerative kidney disorders. PMID- 29210634 TI - Preventive and Therapeutic potentials of Anthocyanins in diabetes and associated complications. AB - Diet is an essential factor affecting the development of and risk for diabetes mellitus. In search of preventative and therapeutic strategies, it is to be considering the potential role of certain foods and their bioactive compounds to prevent the pathogenesis associated with metabolic diseases. Human consumption of anthocyanins is among the highest of all flavonoids. Epidemiological studies have suggested that the consumption of anthocyanins lowers the risk of diabetes and diabetic complications. Anthocyanins are important natural bioactive pigments responsible for red to blue colour of fruits, leaves, seeds, stems and flowers, which are present in a variety of plant species particularly in berries and cherries. A large number of bioactive anthocyanins, such as cyanidin, malvidin, delphinidin, pelargonidin, peonidin, petunidin and their metabolites have shown multiple biological activities with apparent effects on glucose absorption, glucose uptake, insulin secretion and sensitivity, on the enzymes involved in glucose metabolism, gene expressions, inflammatory mediators, glucose transporters in progression of diabetes and associated complications, such as diabetic retinopathy, nephropathy, neuropathy and diabetic vascular diseases. The versatility of the anthocyanins provides a promising approach for diabetes management than synthetic drugs. Here we summarize effect of several anthocyanins on many in vitro, in vivo and clinical studies and also reveals the mechanisms which could prevent or reverse the underlying mechanisms of diabetic pathologies including promotion of antioxidant, anti-hyperlipidemic, anti-inflammatory and anti-apoptotic activities. PMID- 29210635 TI - Potential drug targets in the pentose phosphate pathway of trypanosomatids. AB - The trypanosomatids, Trypanosoma brucei, Trypanosoma cruzi and Leishmania spp, are causative agents of important human diseases such African sleeping sickness, Chagas' disease and Leishmaniasis, respectively. The high impact of these diseases on human health and economy worldwide, the unsatisfactory available chemotherapeutic options and the absence of human effective vaccines, strongly justifies the search for new drugs. The pentose phosphate pathway has been proposed to be a viable strategy to defeat several infectious diseases, including those from trypanosomatids, as it includes an oxidative branch, important in the maintenance of cell redox homeostasis, and a non-oxidative branch in which ribose 5-phosphate and erythrose 4-phosphate, precursors of nucleic acids and aromatic amino acids, are produced. This review provides an overview of the available chemotherapeutic options against these diseases and discusses the potential of genetically validated enzymes from the pentose phosphate pathway of trypanosomatids to be explored as potential drug targets. PMID- 29210636 TI - New insights into adipokines as potential biomarkers for type-2 diabetes mellitus. AB - A large number of studies have been focused on investigating serum biomarkers associated with risk or diagnosis of type-2 diabetes mellitus. In the last decade, promising studies have shown that circulating levels of adipokines could be used as a relevant biomarker for diabetes mellitus progression as well as therapeutic future targets. Here we discuss the possible use of recent described adipokines, including apelin, omentin-1, resistin, FGF-21, neuregulin-4 and visfatin, as early biomarkers for diabetes. In addition, we also include recent findings of other well know adipokines such as leptin and adiponectin. In conclusion, further studies are needed to clarify the pathophysiological significance and clinical value of these biological factors as potential biomarkers in type-2 diabetes and related dysfunctions. PMID- 29210637 TI - Metallopharmaceuticals in Therapy - A New Horizon for Scientific Research. AB - Coordination chemistry offers much scope for the design of novel and therapeutic agents, including metallopharmaceuticals. The widespread use of metal complexes as effective pharmaceuticals, e.g. cancer therapeutic, anti-inflammatory, antidiabetic drugs or antimicrobial and diagnostic agents, demonstrates that the cytotoxicity of metal ions can be finely controlled via the appropriate choice of ligands. The successful targeting of radioisotopes again depends on the ligand design and metal oxidation state. The complexes of platinum, ruthenium, cobalt, copper and other d-block metal ions have been used in medicine for a long time but only recent advances have been made in understanding the molecular basis of mechanism of their action. Due to the above mentioned purpose, we decided to prepare a detailed description of target-based research, directed towards a design and application possibilities, with the known mechanisms of action of metal ion complexes in the broad sense of therapy definition. The review also covers the progress, limitations and challenges of the above-mentioned approaches and emphasizes the advantages of well known and new metallopharmaceuticals in medicine and pharmacy. PMID- 29210638 TI - Medical applications of collagen and collagen-based materials. AB - Collagen and collagen-based materials have been successfully used in medicine for over 50 years. The number of scientific articles about the role of collagen in the construction of scaffolds for tissue engineering has risen precipitously in recent years. The review contains materials about historic and modern applications of collagen in medicine such as soluble collagen injections, solid constructs reconstructed from solution, and decellularized collagen matrices. The analysis of published data proves the efficacy of collagen material in the treatment of chronic wounds, burns, venous and diabetic ulcers, in plastic, reconstructive and general surgery, urology, proctology, gynecology, ophthalmology, otolaryngology, neurosurgery, dentistry, cardiovascular and bone and cartilage surgery, as well as in cosmetology. Further development of collagenoplasty requires addressing the problems of allergic complications, improvement of structure and maximizing therapeutic effects against pathological processes. PMID- 29210639 TI - Guanylate Cyclase C: A Current Hot Target, from Physiology to Pathology. AB - BACKGROUND: Guanylate cyclase C (GC-C) receptor is a transmembrane receptor, predominantly expressed in intestinal epithelial cells, which is considered to play a main role in homeostasis and function of the digestive tract. The endogenous ligands for this receptor are the paracrine hormones uroguanylin and guanylin. Upon ligand binding, GC-C receptors increase cyclic guanosine monophosphate (cGMP) levels, regulating a variety of key cell-type specific processes such as chloride and bicarbonate secretion, epithelial cell growth, regulation of intestinal barrier integrity and visceral sensitivity. It has been suggested that GC-C acts as an intestinal tumor suppressor with the potential to prevent the initiation and progression of colorectal cancer. In fact, loss of ligand expression is a universal step in sporadic colorectal carcinogenesis. Interestingly, the role of GC-C is not limited to the digestive tract but it has been extended to several other systems such as the cardiovascular system, kidney, and the central nervous system, where it has been involved in a gut-hypothalamus endocrine axis regulating appetite. Objetive: In this review we summarize the physiology of the GC-C receptor and its ligands, focusing on newly developed drugs like linaclotide, and their suggested role to reverse/prevent the diseases in which the receptor is involved. CONCLUSION: Available data points toward a relationship between uroguanylin and guanylin and their receptor and pathological processes like gastrointestinal and renal disorders, colorectal cancer, obesity, metabolic syndrome and mental disorders among others. Recent pharmacological developments in the regulation of GC-receptor may involve further improvements in the treatment of relevant diseases. PMID- 29210640 TI - Fine-tuning of microRNAs in type 2 diabetes mellitus. AB - Type 2 diabetes mellitus is a metabolic disease widely spread across industrialized countries. Sedentary lifestyle and unhealthy alimentary habits lead to obesity, boosting both glucose and fatty acid in the bloodstream and eventually, insulin resistance, pancreas inflammation and faulty insulin production or secretion, all of them very well-defined hallmarks of type 2 diabetes mellitus. miRNAs, are small sequences of non-coding RNA that may regulate several processes within the cells, fine-tuning protein expression, with an unexpected and subtle precision and in time-frames ranging from minutes to days. Since the discovery of miRNA and their possible implication in pathologies, several groups aimed to find a relationship between type 2 diabetes mellitus and miRNAs. Here we discuss the pattern of expression of different miRNAs in cultured cells, animal models and diabetic patients. We summarize the role of the most important miRNA involved in pancreas growth and development, insulin secretion and liver, skeletal muscle or adipocyte insulin resistance in the context of type 2 diabetes mellitus. PMID- 29210641 TI - Dynamic Localization of Hepatocellular Transporters: Role in Biliary Excretion and Impairment in Cholestasis. AB - Bile flow generation is driven by the vectorial transfer of osmotically active compounds from sinusoidal blood into a confined space, the bile canaliculus. Hence, localization of hepatocellular transporters relevant to bile formation is crucial for bile secretion. Hepatocellular transporters are localized either in the plasma membrane or in recycling endosomes, from where they can be relocated to the plasma membrane on demand, or endocytosed when the demand decreases. The balance between endocytic internalization/exocytic targeting to/from this recycling compartment is therefore the main determinant of the hepatic capability to generate bile, and to dispose endo- and xenobiotics. Furthermore, the exacerbated endocytic internalization is a common pathomechanisms in both experimental and human cholestasis; this results in bile secretory failure and, eventually, post-translational transporter downregulation by increased degradation. This review summarizes the proposed structural mechanisms accounting for this pathological condition (e.g., alteration of function, localization or expression of F-actin or F-actin/transporter cross-linking proteins, and switch to membrane microdomains where they can be readily endocytosed), and the mediators implicated (e.g., triggering of "cholestatic" signaling transduction pathways). Lastly, we discussed the efficacy to counteract the cholestatic failure induced by transporter internalization of a number of therapeutic experimental approaches based upon the use of compounds that trigger exocytic targetting of canalicular transporters (e.g., cAMP, tauroursodeoxycholate). This therapeutics may complement treatments aimed to transcriptionally improve transporter expression, by affording proper localization and membrane stability to the de novo synthesized transporters. PMID- 29210642 TI - Antidiabetics: Structural Diversity of Molecules with a Common Aim. AB - BACKGROUND: Diabetes mellitus type 2 (DMT2) is an endocrine disease of global proportions which is currently affecting 1 in 12 adults in the world, with still increasing prevalence. World Health Organization (WHO) declared this worldwide health problem, as an epidemic disease, to be the only non-infectious disease with such categorization. People with DMT2 are at increased risk of various complications and have shorter life expectancy. The main classes of oral antidiabetic drugs accessible today for DMT2 vary in their chemical composition, modes of action, safety profiles and tolerability. METHODS: A systematic search of peer-reviewed scientific literature and public databases has been conducted. We included the most recent relevant research papers and data in respect to the focus of the present review. The quality of retrieved papers was assessed using standard tools. RESULTS: The review highlights the chemical structural diversity of the molecules that have the common target-DMT2. So-called traditional antidiabetics as well as the newest and the least explored drugs include polypeptides and amino acid derivatives (insulin, glucagon-like peptide 1, dipeptidyl peptidase-IV inhibitors, amylin), sulfonylurea derivatives, benzylthiazolidine- 2,4-diones (peroxisome proliferator activated receptor-gamma agonists/glitazones), condensed guanido core (metformin) and sugar-like molecules (alpha-glucosidase and sodium/ glucose co-transporter 2 inhibitors). CONCLUSION: As diabetes becomes a more common disease, interest in new pharmacological targets is on the rise. PMID- 29210643 TI - Adipokines and Myokines: A Pivotal Role in Metabolic and Cardiovascular Disorders. AB - Obesity induces an imbalance in the expression and secretion of several cytokines, which contributes to the development of metabolic and cardiovascular disorders. On the contrary, skeletal muscle is known to have a role in reversing the detrimental impact of obesity. It has been established that adipose tissue acts as an endocrine organ that secretes proinflammatory and anti-inflammatory adipokines. Similarly, skeletal muscle produces secretory molecules, called myokines, from contracting muscle fibers. Myokines were recently recognized as beneficial modulators of obesity, metabolic syndrome, and type 2 diabetes. Furthermore, adipokines and myokines play a crucial role in the communication between adipose tissue, skeletal muscle and other organs. It could be beneficial to find novel adipokines and myokines, and to explore their signaling pathways to identify targets for the treatment and prevention of cardiometabolic disorders. In this review, we summarize recent studies on cross-talk between skeletal muscle and adipose tissue. In particular, we concentrate on the major action mechanisms of adipokines and myokines, such as adiponectin, adipocyte fatty acid binding protein, C1q/TNF-related proteins, interleukin- 6, irisin, and fibroblast growth factor 21. PMID- 29210645 TI - Editorial: Acting on Tat-Mediated Transcription to Achieve a Long Term Control of HIV-1 Latency. PMID- 29210644 TI - Carboxylesterase Inhibitors: An Update. AB - Mammalian carboxylesterases are key serine hydrolases that catalyze the hydrolysis of a wide variety of ester compounds in the corresponding carboxylic acids and alcohols. In human, two major carboxylesterases, CES1 and CES2, have been identified and well-studied over the past decade. CES1 inhibitors have potential applications in the treatment of hypertriglyceridaemia, obesity and type 2 diabetes, owing to that this enzyme plays prominent role in the metabolism of cholesteryl esters. CES2 plays crucial roles in the metabolic activation of many prodrugs including anticancer agents capecitabine and CPT-11. Co administration with CES2 inhibitors may ameliorate CPT-11 associated lifethreatening diarrhea or improve the half-lives of CES2-substrate drugs. The important roles of carboxylesterases in both endogenous and xenobiotic metabolism arouse great interest in the discovery and development of potent and selective inhibitors against these enzymes. This review is focused on the application potentials and recent advances in the discovery and development of carboxylesterases inhibitors. The inhibitory capacities and inhibition mechanism of a variety of carboxylesterases inhibitors including synthetic, semi-synthetic and natural compounds are comprehensively summarized. Furthermore, the key structural features and structure-activity relationships (SARs) of different classes of CES1 and CES2 inhibitors are discussed. All information and knowledge summarized in this review will be very helpful for the medicinal chemists to design and develop more potent and highly selective carboxylesterases inhibitors for potential biomedical applications. PMID- 29210646 TI - PCSK9 and Hypercholesterolemia: Therapeutic Approach. AB - Despite the intensive research and progress in modern pharmacotherapy, hypercholesterolemia and related cardiovascular complications remain one of the leading causes of mortality and disability in the modern world. A significant contribution to the treatment of hypercholesterolemia was made by the discovery of proprotein convertase subtilisin/kexin type 9 (PCSK9). This enzyme is responsible for the degradation of the low-density lipoprotein (LDL) receptor (LDLR) found at the surface of the plasma membrane in the liver and directly associated with serum LDL level. Limitations in standard therapy used in the treatment of lipid disorders have led to the development of new drugs, such as an inhibitor of PCSK9. Over the past years, the greatest achievement in discovering the PCSK9 inhibitor was made by designing monoclonal antibodies that disable PCSK9 to bind LDLR and RNA interference to reduce PCSK9 production, but one of the main disadvantages is costeffectiveness. In this review, we will summarize the most recent findings of basic and clinical studies which focus on PCSK9 function, regulation and therapeutic target for the treatment of hypercholesterolemia and associated cardiovascular diseases. PMID- 29210647 TI - alpha-Mangostin, A Natural Xanthone, Induces Apoptosis and ROS Accumulation in Human Rheumatoid Fibroblast-Like Synoviocyte MH7A Cells. AB - BACKGROUND: Rheumatoid arthritis (RA) is a complicated and heterogeneous chronic disease with the characteristic of progressive joint destruction, deformity and disability. It is associated with not only genetic but also environmental factors. Many studies suggest that RA-derived fibroblast-like synoviocyte (RA FLS) is involved in the pathogenic process of RA. The apoptosis and proliferation of RA-FLS is of great importance in the development and progression in RA. Nowadays, more and more traditional Chinese medicine (TCM) or natural products are studied in the treatment of RA. OBJECTIVE: To investigate the effects of several natural products and the apoptosisinduced effect of alpha-mangostin and its underlying mechanisms in RA-FLS MH7A cells. METHODS: The effects of natural products on MH7A cells were detected by MTT assay. Annexin V-FITC/PI double labeling and DAPI staining were adopted to observe the apoptosis induced by alpha mangostin. The apoptosis related proteins were measured with western blotting analysis. ROS accumulation was determined by DHE staining. RESULTS: Xantones, including Garcinone C, alpha-mangostin and gamma-mangostin, significantly inhibited the MH7A cell viability. And alpha-mangostin induces apoptosis in MH7A cells. Further study showed that alpha-mangostin increased the ratio of Bax/Bcl-2 and increased the ROS generation in MH7A cells. CONCLUSION: alpha-Mangostin induces the apoptosis of MH7A cells through increasing ROS accumulation and the ratio of Bax/Bcl-2, suggesting that alpha-mangostin should be benefit to the therapy of RA. PMID- 29210648 TI - Vitamins for Cancer Prevention and Treatment: An Insight. AB - Over a few decades a strong interlink between oxidative damage and cancer has been investigated by various scientists across the world on the basis of epidemiological observations of the effects of fruits and vegetables used in the diet for cancer patients. Primarily, Vitamin C, Vitamin D and Vitamin E are reported to be involved in the amelioration of side effects which occur in chemotherapy and radiation therapy of lungs, stomach, prostate, colorectal, gastric head and neck cancers. The vitamins acting as antioxidant adjuvants are found to have apoptotic and antiangiogenesis potential as well as inhibitory effects against metastasis in cancer cells. This chapter explicitly discusses the key aspects concerned with the vitamins in relation to cancer prevention and treatment. It describes vitamins and their natural resources, role of vitamins in the body, and vitamins as prime ingredients in the diet and their effects on cancer biology with reference to recent research reports. Moreover, this paper also includes the emerging potential of pharmaceutical advances to enhance bioavailability of the vitamins to cancer patients with improved safety and efficacy. Clinicians and researchers must mull over the nutritional requirements of individual cancer patient so as to treat cancer and increase life expectancy. PMID- 29210649 TI - Sargassum fusiforme Polysaccharide Rejuvenat es the Small Intestine in Mice Through Altering its Physiol ogy and Gut Microbiota Composition. AB - BACKGROUND AND OBJECTIVE: Aging can result in a progressive decline in cellular protection and physiological function. The physiological status and microbiota of the intestine are intensively linked to the aging process. Numerous studies have suggested that Sargassum fusiforme polysaccharides possess antioxidant and antiaging activities. However, it remains unclear as to whether S. fusiforme polysaccharides can prevent the insult of oxidant and aging through modulating the physiological status and microbiota of the intestine. METHODS: To assess the cytoprotective effect of S. fusiforme polysaccharides (SFPS) in the small intestine of mice embarking on the aging process, we compared the expressions of Nrf2 and several representative markers (SOD-2, CAT, NQO1 and HO-1) of the Nrf2/ARE signaling pathway in the small intestine of male ICR mice fed with a control diet with those of mice fed with a SFPS-containing diet. In addition, the overall compositional changes in the small intestine microbiota were determined by 16s rDNA sequencing followed by alpha and beta diversity analyses. RESULTS: The results showed that dietary intake of SFPS could ameliorate the declined cytoprotective capacity of the small intestine by upregulating the Nrf2/ARE signaling pathway. Moreover, SFPS could partially rejuvenate the overall status of the small intestine microbiota. CONCLUSION: The results suggested that dietary SFPS may promote the health condition of the small intestine, consequently leading to a healthy aging. PMID- 29210650 TI - Reprograming Carcinoma Associated Fibroblasts by microRNAs. AB - Carcinoma-associated fibroblasts (CAFs) are activated fibroblasts during development of several cancer types, and therefore emerge as an attractive therapeutic target for cancer therapy. Drugs such as PT-100 and sibrotuzumab that block the functions of CAFs have already been in clinical trials. However, these drugs exhibit limited efficacy in patients, partially due to the fact that currently used biomarkers for determining efficacy are not CAF-specific. Furthermore, depletion of CAFs may promote carcinogenesis and accelerate cancer progression by inducing immunosuppression and hypoxia, leading to reduced survival. Accumulating evidence demonstrates that restoring the expression of key microRNA induces the functional conversion of CAFs into normal fibroblasts by targeting different signaling pathways and metabolic mechanisms. Therefore, reprograming CAFs into normal fibroblasts by altering specific expression of microRNAs, rather than targeted ablation, may be an effective, novel strategy for cancer treatment. This review focuses on specific microRNAs involved in the transformation of CAFs as well as their multiple roles during tumorigenesis and chemo-resistance. PMID- 29210652 TI - Inhibition of JAK2 Signaling Alleviates Hyperlipidemia-Intensified Caerulin Induced Acute Pancreatitis In Vivo. AB - RATIONALE: Studies have implied the positive association of JAK2/STAT3 signaling with the onset and severity of acute pancreatitis (AP). However, definitive functional study of JAK2/STAT3 signaling in the pathogenesis of acute pancreatitis in vivo is missing and its potential as a therapeutic target and the underlying mechanisms remain to be determined. OBJECTIVES: The aim of this study was to explore the role of JAK2/STAT3 signaling in the pathogenesis of hyperlipidemia-intensified caerulin-induced AP and its potential as a therapeutic target. METHODS AND RESULTS: Using the caerulin-induced acute pancreatitis rat model, we showed that JAK2/STAT3 signaling was activated in pancreas and systemic inflammation was increased during AP. Pharmacological suppression of JAK2 by its inhibitor AG490 robustly protected against tissue damage, attenuated JAK2/STAT3 signaling and inflammatory responses. Local pancreatic tissue damage and phosphor JAK2 in the pancreatic tissue were enhanced in animals fed with high fat diet compared to chow-diet fed animals. Interestingly, JAK2 inhibitor AG490 significantly inhibited pancreas necrosis and systemic inflammation in animals fed with high fat or chow-diet, but did not affect STAT3 signaling. CONCLUSION: These results establish that JAK2 activation plays a significant role in the pathogenesis of caerulin-induced AP in animals on both chow and high-fat diets by regulating necrosis and systemic inflammation. Thus, our results not only clarify novel signaling mechanisms in AP but also suggest that JAK2 might constitute a target in the management of hyperlipidemia-intensified caerulin-induced AP. PMID- 29210651 TI - miR-25 Mediates Retinal Degeneration Via Inhibiting ITGAV and PEDF in Rat. AB - BACKGROUND: Age-related macular degeneration (AMD) is the main cause of irreversible blindness in the elderly. Oxidative stress in retinal pigment epithelium (RPE) is deemed to play a pivotal role in the pathogenesis of AMD. miR 25 functions as an essential modulator in response to oxidative-stress in several cell types, but its function in RPE cells is poorly understood. OBJECTIVE: To explore the roles of miR-25 in RPE cells and in the development of AMD. METHODS: A rat model of retinal degeneration was induced by sodium iodate (SI). Subretinal injection of antagomiR-25 was performed for the intervention while the scramble as control. Visual responses were recorded with Electroretinogram (ERG). TUNEL assay was performed to detect apoptosis. Phagosome quantification in vivo was performed to evaluate RPE cell function. Oxygen-glucose deprivation treatment was performed to mimic in vitro oxidative stress. Gene expression at mRNA level and protein level were performed by quantitative polymerase chain reaction (qPCR) and Western Blot, respectively. The pigment epithelium derived factor (PEDF) level in the cultured medium was measured by Enzyme-linked immunosorbent assay (ELISA). The interaction between miR-25 and integrin alphaV (IGTAV) / PEDF 3'UTR was examined by dual luciferase assay. Chromatin immunoprecipitation (ChIP) assay was performed to examine its transcriptional regulation of miR-25. RESULTS: Oxidative stress up-regulated miR-25 in RPE cells in very early stage, accompanied by decreased phagocytosis and reduced growth factor secretion in those cells. Such changes preceded RPE cell apoptosis and visual impairment in the SItreated rats. Furthermore, antagomiR-25 intervention effectively rescued RPE cells from degeneration in such model. The increased miR-25 was confirmed to mediate RPE degeneration through direct targeting IGTAV and PEDF. On the other hand, upstream, miR-25 was found to be up-regulated by STAT3 signaling under oxidative stress in both in vivo and in vitro models. CONCLUSION: Our findings demonstrate that, in SI-treated rats, oxidative stress activates STAT3 signaling which up regulates miR-25 expression, in a very early stage. The increased miR-25 then inhibits ITGAV and PEDF expressions, resulting in RPE phagocytosis dysfunction and then RPE apoptosis and visual impairment as observed in patients with AMD. These findings lead us to a better understanding of AMD pathogenesis, and suggest that miR-25 could be a potential therapeutic target for oxidative stress related RPE diseases, like AMD. PMID- 29210653 TI - Human Umbilical Cord Mesenchymal Stem Cells: Subpopulations and Their Difference in Cell Biology and Effects on Retinal Degeneration in RCS Rats. AB - BACKGROUND: Human umbilical cord mesenchymal stem cells (hUC-MSCs) are potential candidates for treating retinal degeneration (RD). OBJECTIVE: To further study the biology and therapeutic effects of the hUC-MSCs on retinal degeneration. METHODS: Two hUC-MSC subpopulations, termed hUC-MSC1 and hUC-MSC2, were isolated by single-cell cloning method and their therapeutic functions were compared in RCS rat, a RD model. RESULTS: Although both subsets satisfied the basic requirements for hUC-MSCs, they were significantly different in morphology, proliferation rate, differentiation capacity, phenotype and gene expression. Furthermore, only the smaller, fibroblast-like, faster growing subset hUC-MSC1 displayed stronger colony forming potential as well as adipogenic and osteogenic differentiation capacities. When the two subsets were respectively transplanted into the subretinal spaces of RCS rats, both subsets survived, but only hUC-MSC1 expressed RPE cell markers Bestrophin and RPE65. More importantly, hUC-MSC1 showed stronger rescue effect on the retinal function as indicated by the higher b-wave amplitude on ERG examination, thicker retinal nuclear layer, and decreased apoptotic photoreceptors. When both subsets were treated with interleukin-6, mimicking the inflammatory environment when the cells were transplanted into the eyes with degenerated retina, hUC-MSC1 expressed much higher levels of trophic factors in comparison with hUC-MSC2. CONCLUSION: The data here, in addition to prove the heterogeneity of hUC-MSCs, confirmed that the stronger therapeutic effects of hUC-MSC1 were attributed to its stronger anti-apoptotic effect, paracrine of trophic factors and potential RPE cell differentiation capacity. Thus, the subset hUC-MSC1, not the other subset or the ungrouped hUC-MSCs should be used for effective treatment of RD. PMID- 29210655 TI - Editorial: Recent News on Statins for the Treatment of Non-Alcoholic Fatty Liver Disease/Non-Alcoholic Steatohepatitis. PMID- 29210656 TI - Editorial: Arterial Stiffness, Central Haemodynamics and Non-Alcoholic Fatty Liver Disease: Links with Cardiovascular Risk and Effects of Drug Treatment. AB - Arterial stiffness, central haemodynamics and Non-Alcoholic Fatty Liver Disease (NAFLD) have been associated with increased risk for Cardiovascular (CV) morbidity and mortality. Antihypertensive, antidiabetic and hypolipidaemic drugs may affect these predictors of CV risk. Such associations should be taken into consideration when treating high-risk patients. PMID- 29210654 TI - Glaucoma and Alzheimer Disease: One Age-Related Neurodegenerative Disease of the Brain. AB - BACKGROUND: Open Angle Glaucoma (POAG) is the leading causes of irreversible blindness worldwide. Elevated intraocular pressure is considered an important risk factor for glaucoma; however, a subset of patients experiences a progression of the disease even in presence of normal intraocular pressure values. This implies that risk factors other than intraocular pressure are involved in the pathogenesis of glaucoma. A possible relationship between glaucoma and neurodegenerative diseases such as Alzheimer Disease has been suggested. In this regard, we recently described a high prevalence of alterations typical of glaucoma, using Heidelberg Retinal Tomograph-3, in a group of patients with Alzheimer Disease. Interestingly, these alterations were not associated with elevated intraocular pressure or abnormal Central Corneal Thickness values. Alzheimer Disease is the most common form of dementia with progressive deterioration of memory and cognition. Complaints related to vision are common among Alzheimer Disease patients. METHODS: In this paper researches related to glaucoma and Alzheimer disease are reviewed. RESULTS: Diseases characteristics, i.e. common features, risk factors and pathophysiological mechanisms gathered in the recent literature do suggest that Alzheimer Disease and glaucoma can be considered both age-related neurodegenerative diseases that may co-exist in the elderly. CONCLUSION: In conclusion, preclinical and clinical evidence gathered so far support the notion that glaucoma is a widespread neurodegenerative condition whose common pathogenetic mechanisms with other diseases, i.e. Alzheimer Disease, should be further investigated as they may shed new light on these diseases improving both diagnosis and treatments. PMID- 29210657 TI - Diabetes and Atherosclerosis: Old Players in a New Field, Osteoporosis. PMID- 29210658 TI - Matrix Metalloproteinases as Markers of Atherosclerosis in Renal Patients: Are we there Yet? PMID- 29210659 TI - beta-Adrenergic Receptor Gene Polymorphisms and its Relationship with Heart Failure. PMID- 29210660 TI - Host Factor Predictors in Long-term Nonprogressors HIV-1 Infected with Distinct Viral Clades. AB - BACKGROUND: HIV-1+ long-term nonprogressors (LTNPs) maintain natural control of viral infection. This study sought to identify and characterize HIV- LTNPs series case, regarding the presence of possible host factors that may be associated with this status. METHODS: We evaluated the plasma levels of IP-10/IL-8 chemokines, HLA-B alleles, and IL28B rs12979860 polymorphism in 24 LTNPs who presented with infection by different clades of HIV-1. RESULTS: IL-8 chemokine was significantly higher in progressors than in LTNPs, but there was no difference between the LTNP subgroups. There was a negative correlation in CD4+ T cell (TC) count and IL-8 dosage, and a positive correlation with CD8+ TC. IP-10 chemokine levels were associated with viremia, and the elite controller (EC) subgroup showed nearly the same level than healthy individuals and progressors with viral load suppressed. Furthermore, the CD4+ TC count, percentage of CD4+ TC, and CD4/CD8 ratio were negatively correlated with IP-10. No association was found in plasma levels of IL 8 and IP-10 chemokines and HIV-1 clades. In the EC/viremic controller subgroup, 80% presented with at least one HLA-B allele previously considered as potentially protective for AIDS progression. No association was observed between the HLA-B alleles and HIV- 1 clades. The IL28B CC genotype was identified in 87.5% of LTNPs. CONCLUSION: In this LTNP series case we observed different host factors that may be contributing to their nonprogressor status, and the association of these factors with the control of infection progression may be critically important for future therapeutic and prophylactic options in HIV-1 infection. PMID- 29210662 TI - Response to Doxorubicin of Exfoliated Human Buccal Epithelium Cells: Comparison of Three Methods of Cell Staining and Calcium Assessment. AB - BACKGROUND: Doxorubicin is an anthracycline antibiotic which inhibits DNA and RNA synthesis intercalating DNA double helix and inducing free radicals. Doxorubicin is used in the treatment of cancer diseases. The influence of Doxorubicin on human buccal cell was used as a model for the assessment of toxic effects in vitro. OBJECTIVE: We studied the possibility of using the process of heterochromatinization in cell nuclei in toxicological investigations of drugs in vitro. METHOD: The exfoliated buccal epithelium cells of two donors (men) - Donor A (24 years) and Donor B (23 years) were used. Cells were subjected to Doxorubicin in concentration 0.2; 2; 20, and 200 ug/ml for 2 h. RESULTS: A significant increase of chromatin condensation in a dose-dependent way was shown. Doxorubicin induced chromatin condensation for cells of donors A and B if >= 0.2 ug/ml, and >= 2 ug/ml, correspondingly. Cell viability assessed by combined staining with Hoechst 33342 and ethidium bromide revealed a significant increase of damaged cells if >= 2 ug/ml. Indigo carmine staining also revealed a significant increase in permeability of cell membranes if >= 20 ug/ml. In cells of donor A the intranuclear calcium concentration increased if Doxorubicin concentration was >= 0.2 ug/ml. In cells of donor B cytoplasmic and intranuclear calcium concentration decreased if Doxorubicin concentration >= 0.2 ug/ml. CONCLUSION: The comparison revealed high sensitivity of the method of chromatin changes registration in human buccal epithelium cells as a method of assessment of drug toxicity in vitro, and this method may be recommended for toxicological investigations. PMID- 29210661 TI - Impact of Different Antiretroviral Strategies on Total HIV-DNA Level in Virologically Suppressed HIV-1 Infected Patients. AB - BACKGROUND: Total HIV-DNA load in peripheral blood cell (PBMCs) reflects the global viral reservoir that seems not to be affected by antiretroviral treatment. However, some studies reported a different permeability of different drugs in cellular compartments. OBJECTIVE: To investigate the relation between the amount of total HIV-1 DNA and different treatment strategies. METHODS: Total HIV-1 DNA was quantified by real time PCR in PBMCs collected from 161 patients with long term undetectable HIV-RNA receiving different therapy schedules (3-drug regimens or 2-drug regimen containing Raltegravir as integrase inhibitor). RESULTS: Overall, HIV patients who started therapy with a median pre-ART CD4+ cell count >400 cells/mm3 and HIV viral load of 3 log10 copies/ml, achieved a lower amount of HIV total DNA. No significant correlation was found in DNA size when patients were stratified on the basis of different therapeutic protocols. However, HIV DNA load analysis, when only performed in HIV patients with a median pre-ART CD4+ cell count >200 cells/mm3 and HIV viral load < 3 log10 copies/ml, showed a significative DNA decrease in Raltegravir treated group with respect to the NNRTIs-treated group. CONCLUSION: The data emphasize that HIV-DNA level represents a predictive factor in long-term suppressive therapy patients. In addition, the diminished reservoir, only observed in patients treated with the NRTI-sparing regimen RAL plus PI/r before immunological and virological derangement, suggests that latest generation drugs, such as integrase inhibitors, might represent an optimal chance in the management of HIV infection. PMID- 29210663 TI - DNA Methylation: A Frontier in Tooth Organogenesis and Developmental Dental Defects. AB - BACKGROUND: Tooth development relies on interactions between epithelial and mesenchymal tissues, which are controlled by sophisticated networks of conserved signaling. The signaling networks regulating odontogenesis have been well characterized, but the epigenetic mechanisms underlying remain to be elucidated. OBJECTIVE: In this review, we describe current researches regarding the control of various genes expression by DNA methylation during odontogenesis, summarize genomic mapping of DNA methylation in various stages of tooth formation and diverse dental tissues by high-throughput approaches, and highlight the roles of DNA methylation in odontogenesis. RESULTS: Researches on mammals have revealed that the genomic methylation, which occurs on cytosine residues, regulates certain genes transcription. Consequently, DNA methylation plays a crucial role in spatiotemporal organization of signaling pathways, and is essential for organogenesis. Recently, mounting evidence proves that methylation of genomes contributes to the spatiotemporal gene dynamics during odontogenesis. With emerging new technologies of mapping cytosine modifications in global genome, investigators are seeking an overall view of DNA methylome dynamics that characterize genetic information to manifest across incredibly varied tooth development stages, dental tissues, and developmental dental defects. PMID- 29210664 TI - Advances in the Discovery of Anthraquinone-Based Anticancer Agents. AB - BACKGROUND: The anthracene-9,10-dione (anthraquinone) derivatives represent an exceptionally valuable class in anticancer drug development. An outstanding antitumor potency of the anthracycline antibiotics attracted the attention of medicinal chemists since the discovery of these chemotypes. The prominent anthraquinone-based drugs doxorubicin, mitoxantrone as well as more recent epirubicin, idarubicin, and valrubicin are successfully used in chemotherapy of hematological malignancies and solid tumors. The anthraquinone core remains a promising scaffold for the search of new optimized drug candidates. OBJECTIVE: In this study, we analyze the progress in discovery and development of antitumor anthracene- 9,10-diones based on patent and journal publications in 2008-2017. The main goal is to dissect novel chemotypes of anthraquinone derivatives; other important issues such as the success in bioconjugate chemistry of anthraquinone containing agents as well as the patents on new applications of anthracyclines are beyond the scope of this review. CONCLUSION: A number of newly discovered natural products, the perspective directions for chemical modifications to optimize the anticancer properties, and novel intracellular targets demonstrate that anthracene- 9,10-diones deserve further in-depth investigation as an important source of drug candidates. PMID- 29210665 TI - Synthesis and Evaluation of a New Series of Arylidene Indanones as Potential Anticancer Agents. AB - BACKGROUND: Arylidene indanones have attracted a great deal of interest due to their outstanding therapeutic applications. In particular, considerable research has pointed out the importance of arylidene indanones in the field of cancer research. OBJECTIVE: The aim of the current work was to design and synthesize arylidene indanone-based anticancer agents. METHOD: New arylidene indanones were obtained via the Claisen-Schmidt condensation of 5-chloro-6-methoxy-2,3-dihydro 1H-inden-1-one with p-substituted benzaldehyde derivatives. MTT assay was performed to evaluate their cytotoxic effects on MCF-7 human breast adenocarcinoma, HeLa human cervix carcinoma and NIH/3T3 mouse embryonic fibroblast cell lines. The most effective derivatives were evaluated for their DNA synthesis inhibitory and apoptotic effects. The most apoptotic compounds were also investigated for their effects on caspase-3 activation in HeLa cells. RESULTS AND CONCLUSION: Compounds 2, 3, 4, 5, 6 and 7 exhibited selective anticancer activity against HeLa cells, whilst compounds 7 and 10 showed selective anticancer activity against MCF-7 cells. Compound 10 caused significant DNA synthesis inhibition on MCF-7 cells, whereas compound 3 caused significant DNA synthesis inhibition on HeLa cells. Compounds 2 and 3 were determined as the most apoptotic agents against HeLa cells, whereas compounds 7 and 10 showed apoptotic activity against MCF-7 cells. Besides, compound 2 was identified as the most effective compound on caspase-3 activation in HeLa cells. The binding interactions of compound 2 at the active site of caspase-3 were confirmed through molecular docking studies. Docking studies showed that compound 2 interacted with the residues His121 and Tyr204 forming pi-pi stacking interactions. PMID- 29210666 TI - A Newly Synthetized Ferrocenyl Derivative Selectively Induces Apoptosis in ALL Lymphocytes through Mitochondrial Estrogen Receptors. AB - BACKGROUND: Estrogens, as the main female steroid hormones have multiple proven effects on reproductive and non- reproductive systems. Expression of ERalpha and ERbeta, two dominant estrogen receptors, in peripheral blood mononuclear cells in certain B-cell malignancies and the existence of estrogens receptors on mitochondria is open to question that estrogen likely has an impact on the cancerous lymphocytes life span. Acute lymphoblastic leukemia (ALL) is the frequent pediatric malignity which is recurrent and hardly curable in many cases. The malignant cells are generally resistant to apoptosis caused the severe lymphocytes accumulation in the peripheral blood. METHODS: By focusing on mitochondria as a life/death center of the cell; in the current research we compared cytotoxicity effects of a new ferrocenyl derivative with raloxifene as well-known SERMs considering the apoptotic process and survival of cancerous lymphocytes. RESULTS: We demonstrated that both ferrocenyl derivative and raloxifene could cause mitochondrial lesion and initiate the apoptosis process by caspase activation and cytochrome c release. CONCLUSIONS: In brief, the ferrocenyl derivative could induce estrogen-related selective apoptosis on cancerous lymphocytes by affecting mitochondrial receptors. PMID- 29210667 TI - Nerolidol and its Pharmacological Application in Treating Neurodegenerative Diseases: A Review. AB - BACKGROUND: Research on natural bioactive compounds has increased exponentially over the last decades. The discovery of new phytochemicals that possess pharmaceutical properties is useful in the development of therapeutic alternatives. The nerolidol (3,7,11-trimetil-1,6,10-dodecatrien-3-ol or 3,7,11 trimetildodeca-1,6,10-trien-3-ol) has been extensively studied for its therapeutic potential because of its pharmacological activities in the treatment of neurodegenerative diseases. METHOD: All articles and patents regarding nerolidol and its pharmacological properties were revised, focusing mainly on the important properties in the treatment of neurodegenerative diseases. A thorough search in article databases (Science Direct, MEDLINE/PubMed, Scopus and Scielo) and patent database (WIPO, EPO, ESPTO, LATIPAT and INPI) was performed over the course of this study. RESULTS: Several studies stood out for their relevance regarding the treatment of neurodegenerative diseases. Nerolidol demonstrated anticholinesterasic, antioxidant, antinociceptive, anti-inflammatory and anxiolytic activities, thus classifying it as a promising phytochemical for the development of therapeutic drugs. CONCLUSION: Analysis suggested that nerolidol is a promising target for new drugs and treatment of neurodegenerative diseases. PMID- 29210668 TI - Identification and analysis of Eimeria nieschulzi gametocyte genes reveal splicing events of gam genes and conserved motifs in the wall-forming proteins within the genus Eimeria (Coccidia, Apicomplexa). AB - The genus Eimeria (Apicomplexa, Coccidia) provides a wide range of different species with different hosts to study common and variable features within the genus and its species. A common characteristic of all known Eimeria species is the oocyst, the infectious stage where its life cycle starts and ends. In our study, we utilized Eimeria nieschulzi as a model organism. This rat-specific parasite has complex oocyst morphology and can be transfected and even cultivated in vitro up to the oocyst stage. We wanted to elucidate how the known oocyst wall forming proteins are preserved in this rodent Eimeria species compared to other Eimeria. In newly obtained genomics data, we were able to identify different gametocyte genes that are orthologous to already known gam genes involved in the oocyst wall formation of avian Eimeria species. These genes appeared putatively as single exon genes, but cDNA analysis showed alternative splicing events in the transcripts. The analysis of the translated sequence revealed different conserved motifs but also dissimilar regions in GAM proteins, as well as polymorphic regions. The occurrence of an underrepresented gam56 gene version suggests the existence of a second distinct E. nieschulzi genotype within the E. nieschulzi Landers isolate that we maintain. PMID- 29210670 TI - Synthesis of non-toxic As and Cr nanoparticles through redox activity of highly flexible layered coordination polymer of Ni(II). AB - A simple method for the sequestration of As(III) and Cr(VI) from water has been demonstrated by utilizing a highly flexible porous coordination polymer (PCP) of Ni(II) in its as synthesized form or without solvent removal. This PCP reduces the high toxicity of As(III) and Cr(VI) ions into non-toxic As(0) and Cr/Cr2O3/CrO2 (zero, tri and tetravalent) nanoparticles (NPs) within its pores, and this is characterized by powder x-ray diffraction, x-ray photoelectron spectroscopy and high-resolution transmission electron microscopy analysis. The high functionality of this polymer is due to the presence of monodentate carboxylate groups of a benzenetricarboxylate linker, which provide anchoring sites to the metal ions of the metal precursors. Due to the highly oxidising nature of these toxic ions, a redox reaction takes place between the framework metal ions and toxic metal ions, which is explained by an electron paramagnetic resonance study. This is the first report to synthesize non-toxic, as well as useful, NPs of As and Cr from their highly toxic ions within the cavities of a PCP for remediation of the toxic waste stream and contaminated waste water. PMID- 29210671 TI - Laser-induced changes of nonlinear electronic transport properties in La0.75Ba0.25MnO3 and (La0.6Pr0.4)0.67Ca0.33MnO3 AB - We report photoinduced effects in the nonlinear third harmonic ac electric transport-which is a measure for the density of correlated polarons-in thin films of La0.75Ba0.25MnO3 (LBMO) and (La0.6Pr0.4)0.67Ca0.33MnO3 (LPCMO) manganites. Both materials show an enhancement of the third harmonic voltage in the vicinity of the metal-to-insulator transition, indicating strong electron-lattice correlations within a phase-separated state. Relatively low laser excitation with a pulse fluence of 11 MUJ/cm2 leads to the increase (decrease) of the nonlinearity in LBMO (LPCMO). With a high pulse fluence of 8 mJ/cm2 we were able to suppress the correlations also in LBMO, which is accompanied by a decrease of third harmonic voltage by 2.5 % in our time-averaging measurement technique. PMID- 29210669 TI - Extended low-resolution structure of a Leptospira antigen offers high bactericidal antibody accessibility amenable to vaccine design. AB - Pathogens rely on proteins embedded on their surface to perform tasks essential for host infection. These obligatory structures exposed to the host immune system provide important targets for rational vaccine design. Here, we use a systematically designed series of multi-domain constructs in combination with small angle X-ray scattering (SAXS) to determine the structure of the main immunoreactive region from a major antigen from Leptospira interrogans, LigB. An anti-LigB monoclonal antibody library exhibits cell binding and bactericidal activity with extensive domain coverage complementing the elongated architecture observed in the SAXS structure. Combining antigenic motifs in a single-domain chimeric immunoglobulin-like fold generated a vaccine that greatly enhances leptospiral protection over vaccination with single parent domains. Our study demonstrates how understanding an antigen's structure and antibody accessible surfaces can guide the design and engineering of improved recombinant antigen based vaccines. PMID- 29210672 TI - Interfacial engineering with ultrathin poly (9,9-di-n-octylfluorenyl-2,7-diyl) (PFO) layer for high efficient perovskite light-emitting diodes. AB - Organic-inorganic hybrid perovskites have attracted great attention in the field of lighting and display due to their very high color purity and low-cost solution process. Researchers have done a lot of work in realizing high performance electroluminescent devices. However, the current efficiency (CE) of methyl ammonium lead halide perovskite light-emitting diodes (PeLEDs) still needs to be improved. Herein, we demonstrate the enhanced performance of PeLEDs through introducing an ultrathin poly(9,9-di-n-octylfluorenyl-2,7-diyl) (PFO) buffer layer between poly(3,4-ethylendioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and CH3NH3PbBr3 perovskite. Compared to the reference device without PFO, the optimal device luminous intensity, the maximum CE, and the maximum external quantum efficiency increases from 8139 cd m-2 to 30 150 cd m-2, from 7.20 cd A-1 (at 6.8 V) to 10.05 cd A-1 (at 6.6 V), and from 1.73% to 2.44%, respectively. The ultrathin PFO layer not only reduces the exciton quenching at the interface between the hole-transport layer and emission layer, but also passivates the shallow-trap ensure increasing hole injection, as well as increases the coverage of perovskite film. PMID- 29210673 TI - Detecting beta-amyloid aggregation from time-resolved emission spectra. AB - The aggregation of beta-amyloids is one of the key processes responsible for the development of Alzheimer's disease. Early molecular-level detection of beta amyloid oligomers may help in early diagnosis and in the development of new intervention therapies. Our previous studies on the changes in beta-amyloid's single tyrosine intrinsic fluorescence response during aggregation demonstrated a four-exponential fluorescence intensity decay, and the ratio of the pre exponential factors indicated the extent of the aggregation in the early stages of the process before the beta-sheets were formed. Here we present a complementary approach based on the time-resolved emission spectra (TRES) of amyloid's tyrosine excited at 279 nm and fluorescence in the window 240-450 nm. TRES have been used to demonstrate sturctural changes occuring on the nanosecond time scale after excitation which has significant advantages over using steady state spectra. We demonstrate this by resolving the fluorescent species and revealing that beta-amyloid's monomers show very fast dielectric relaxation, and its oligomers display a substantial spectral shift due to dielectric relaxation, which gradually decreases when the oligomers become larger. PMID- 29210674 TI - Adsorption of phosphate ions from aqueous solutions by a CeO2 functionalized Fe3O4@SiO2 core-shell magnetic nanomaterial. AB - Phosphate is generally considered to be one of the nutrients for plants which may cause eutrophication of the aquatic environment. In this study, a CeO2 functionalized Fe3O4@SiO2 core-shell magnetic nanomaterial (denoted as Fe3O4@SiO2 CeO2) was prepared and used as the adsorbent to remove phosphate from water. The adsorbents were characterized by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, and N2 adsorption/desorption isotherms. Characterization results show that the particle size is around 8.63 nm, Brunauer-Emmett-Teller (BET) surface area is 179.7 m2 . g-1 and the pore volume is 0.39 cm3 . g-1 for magnetite Fe3O4@SiO2-CeO2. The adsorbents could be rapidly separated under an external magnetic field. Batch adsorption tests show that the Fe3O4@SiO2-CeO2 adsorbent exhibited high adsorption affinity for phosphate. Additionally, phosphate adsorption isotherms over the adsorbents could be well described by the Langmuir model, suggesting monolayer adsorption, and phosphate adsorption kinetics followed the pseudo-second-order kinetics. Moreover, increasing pH led to suppressed phosphate adsorption, and phosphate adsorption slightly increased with ionic strength. PMID- 29210675 TI - Hierarchical prediction of industrial water demand based on refined Laspeyres decomposition analysis. AB - A recent study decomposed the changes in industrial water use into three hierarchies (output, technology, and structure) using a refined Laspeyres decomposition model, and found monotonous and exclusive trends in the output and technology hierarchies. Based on that research, this study proposes a hierarchical prediction approach to forecast future industrial water demand. Three water demand scenarios (high, medium, and low) were then established based on potential future industrial structural adjustments, and used to predict water demand for the structural hierarchy. The predictive results of this approach were compared with results from a grey prediction model (GPM (1, 1)). The comparison shows that the results of the two approaches were basically identical, differing by less than 10%. Taking Tianjin, China, as a case, and using data from 2003 2012, this study predicts that industrial water demand will continuously increase, reaching 580 million m3, 776.4 million m3, and approximately 1.09 billion m3 by the years 2015, 2020 and 2025 respectively. It is concluded that Tianjin will soon face another water crisis if no immediate measures are taken. This study recommends that Tianjin adjust its industrial structure with water savings as the main objective, and actively seek new sources of water to increase its supply. PMID- 29210676 TI - Enrichment and application of nitrifying activated sludge in membrane bioreactors. AB - In this study, nitrifying bacteria were enriched in a membrane bioreactor (MBR, R1) and their bioaugmentation effectiveness was evaluated in another two MBRs (R2 and R3). Nitrifying activated sludge (NAS) with high nitrification activity of up to 3,000 mg-N/(L.d)-1 was successfully enriched in R1. The results showed that chemical oxygen demand concentration of 100-200 mg/L had no negative effect on NAS enrichment but reduced the ratio of bacterial nitrifiers. Moreover, the cell concentration of nitrifying bacteria in NAS, which was 3.1 * 1011 cells/L, was similar to that of the commercial bacterium agent. For the bioaugmentation test, the reactor inoculated with 14% NAS achieved a 23% higher NH4+-N removal efficiency than that of the uninoculated reactor. Along with the improvement of nitrification performance, the bacterial nitrifiers abundance and microbial richness remarkably increased after bioaugmentation. These results suggested that the MBR system could efficiently enrich nitrifying bacteria using organic carbon containing culture medium, and potentially act as a side-stream reactor to enhance the nitrification function of the wastewater treatment plant. PMID- 29210677 TI - Simultaneous removal of nitrogen and phosphorus by cetylpyridinium bromide modified zeolite. AB - In this study, surfactant modified zeolite-clinoptilolite (SMZ) by CPB (cetylpyridinium bromide) was used for simultaneous removal of ammonium, nitrate and phosphate in synthetic wastewater, and the sorption properties of SMZ were determined and compared with natural zeolite. Results showed that natural clinoptilolite had good affinity for ammonium (8.940 mg/g), but not for nitrate (0.427 mg/g) and phosphate (0.801 mg/g). With the increase of surfactant loading from 5 g/L to 40 g/L, the sorption capacity for nitrate increased from 0.462 mg/g to 4.661 mg/g. when the surfactant loading is 40 g/L, the SMZ has a phosphate adsorption capacity of 2.119 mg/g. The SMZ had a significant enhancement on nitrate and phosphate sorption, could simultaneously remove ammonium, nitrate and phosphate at specific conditions, with removal efficiency up to 85.2%, 83.1% and 56.7%, respectively. Orthogonal experiments showed that ammonium concentration was the most important factor for ammonium sorption on SMZ. Surfactant loading was the major factor for nitrate and phosphate sorption. With the increase of surfactant loading from 5 g/L to 40 g/L, the sorption capacity for nitrate increased from 0.462 mg/g to 4.661 mg/g. When the surfactant loading is 40 g/L, the SMZ has the best phosphate adsorption capacity 2.119 mg/g. Samples were characterized by X-ray diffraction (XRD) and Brunauer-Emmett-Teller (BET). Semi empirical quantum mechanics molecular simulation indicated that electrostatic attraction existed between CPB and dihydrogen phosphate ion. Results indicate that SMZs might have great potential of removing cations and anions simultaneously in the aquatic environment, which is good for eutrophication control and nutrients removal. PMID- 29210678 TI - Optimizing electrocoagulation process using experimental design for COD removal from unsanitary landfill leachate. AB - Leachate is the most difficult wastewater to be treated due to its complex content and high pollution release. For this reason, since it is not possible to be treated with a single process, a pre-treatment is needed. In the present study, a batch electrocoagulation reactor containing aluminum and iron electrodes was used to reduce chemical oxygen demand (COD) from landfill leachate (Tunceli, Turkey). Optimization of COD elimination was carried out with response surface methodology to describe the interaction effect of four main process independent parameters (current density, inter-electrode distance, pH and time of electrolysis). The optimum current density, inter-electrode distance, pH and time of electrolysis for maximum COD removal (43%) were found to be 19.42 mA/m2, 0.96 cm, 7.23 and 67.64 min, respectively. The results shown that the electrocoagulation process can be used as a pre-treatment step for leachate. PMID- 29210679 TI - Assessment on inflow and infiltration in sewerage systems of Kuantan, Pahang. AB - Inflow and infiltration are important aspects of sewerage systems that need to be considered during the design stage and constantly monitored once the sewerage system is in operation. The aim of this research is to analyse the relationship of rainfall as well as inflow infiltration with sewage flow patterns through data collected from fieldwork. Three sewer pipelines were selected at the residential areas of Taman Lepar Hilir Saujana, Bandar Putra and Kota Sas for data collection. Sewage flow data were collected in terms of flowrate, velocity and depth of flow using flowmeters with ultrasonic sensors that utilize the continuous Doppler effect in the sewer pipelines, while rainfall intensity data were collected using rain gauges installed at the study locations. Based on the result, the average infiltration rates of Qpeak and Qave for the locations were 17% and 21%, which exceeded the respective values of 5% and 10% stated in Hammer and Hammer. The flowrate of wastewater in the sewer pipelines was found to be directly proportional to rainfall. These findings indicate that the sewer pipelines in the study areas may have been affected by capacity reduction, whereas the sewerage treatment plants receiving the wastewater influent may have been overloaded. PMID- 29210680 TI - Starch degradation and intermediate dynamics in flocculated and dispersed microcosms. AB - A large fraction of the organic substrate in municipal wastewater is particulate. Prior to uptake, particles have to be degraded through potentially a range of intermediates. However, research on intermediate dynamics during particle hydrolysis is limited. In this paper, batch experiments on flocculated and dispersed biomass microcosms using starch as particulate substrate are reported. Overall hydrolysis rate was not significantly different between the two systems. Particle colonization, and increased particle porosity in combination with particle breakup, led to increased substrate availability over time. Particle breakup was more important for flocculated biomass, while increased particle porosity and particle colonization played a larger role for dispersed biomass. During particle degradation intermediates were formed; however, all intermediate polymer sizes were not formed to the same extent. This can be explained by non random enzymatic degradation, where some products are preferred over others. Intermediates' dynamics also depend on the biomass structure, and in a floc-based system, diffusion limitations allow glucose to accumulate in the system. PMID- 29210681 TI - Evaluating membrane performance in recycled water treatment plants for assets replacement strategy. AB - Membranes are an important barrier used in recycled water treatment plants for pathogen removal. Understanding performance over operational life is important to inform membrane replacement. In this study, full scale virus challenge testing was conducted on newly commissioned membranes to validate virus log removal values for accreditation. After six years of operation, the membrane integrity was repeated to ensure compliance with the state regulatory health authority and gain an understanding of the asset's condition. Membrane performance was assessed using a combination of complementary tests including membrane autopsy and chemical tolerance testing to assess individual modules and selected membrane fibres, followed by a full scale virus challenge for whole of unit assessment. The results demonstrated that the aged membrane fibres were intact and had not been affected by long-term exposure to chlorine, which provides valuable information for membrane asset replacement strategies. PMID- 29210682 TI - Advanced treatment of landfill leachate membrane concentrates: performance comparison, biosafety and toxic residue analysis. AB - With the improvement of people's consciousness about health, more attention has been paid to the biosafety of effluent reaching conventional discharge standard. In this contribution, removal efficiency of chemical oxygen demand (COD), acute toxicity, genotoxicity and estrogenicity in landfill leachate membrane concentrates (MCs) among UV-Fenton, Fenton and activated carbon adsorption process were compared. Daphnia magna acute toxicity assay, comet assay, cytokinesis-block micronucleus and E-screen assay were performed to assess whether the effluent reaching the main parameters of Chinese Discharge Standard (GB 16889-2008) still had toxic residues. Under the conditions that COD of effluents treated by the three processes were up to the discharge standard, no obvious toxic residue was found in the effluent of UV-Fenton treatment, but effluent from Fenton or activated carbon adsorption process showed genotoxicity or estrogenicity to some extent. Dynamic analysis of UV-Fenton degradation process for estrogen simulation solutions was also conducted, and the formation of intermediates was detected by gas chromatography-mass spectrometry (GC/MS). Toxic residues might be caused by the lack of treatment duration and the formation of more toxic intermediates. UV-Fenton was found to be efficient for the treatment of MCs. Biosafety should be concerned when a new wastewater discharge standard is being established. PMID- 29210683 TI - Improving the selectivity of magnetic graphene oxide through amino modification. AB - Fabricating efficient materials for environmental purposes is a priority and the subject of much attention nowadays. The objectives of this study are to adopt an amino modification approach to improve the selective removal capacity of magnetic graphene oxide (MGO) for Cu(II) ions, and explore how it performs in single and binary systems by taking Cd(II) as a comparison. After grafting the amino groups, the final material exhibited promoted capacities for Cu(II) and Cd(II), and a more apparent selective adsorption process can be observed. The maximum equilibrium adsorbances of amino modified MGO were 578.1 mg g-1 for Cu(II) and 184.7 mg g-1 for Cd(II) under our experimental conditions, compared with 319.1 mg g-1 and 161.2 mg g-1 of MGO for Cu(II) and Cd(II), respectively. Characterization results and experiment data confirmed that the introduction of N species contributed to the enhancement. This may pave the way for better understanding of the underlying mechanism, and provide inspiration for synthesizing new adsorbents. PMID- 29210684 TI - Control systems for olive mill wastewater treatment with ultrafiltration and nanofiltration membrane in series based on the boundary flux theory. AB - Proper membrane process design can be a difficult task to accomplish when fouling is present, and must be faced. Engineers usually consider the project variables concerning productivity and selectivity and follow these targets. However, in the presence of fouling, additional parameters must be considered, implying better knowledge of fouling phenomena. One possible solution to increase the reliability of a process is the use of stable control systems. This article reports a suitable method to reach this target, based on the boundary flux theory. The knowledge of the boundary flux values permits avoidance of high fouling operating conditions on a selected membrane. The goal here was to determine the framework for control of an ultrafiltration (UF) and nanofiltration (NF) batch membranes-in series process treatment for olive mill wastewater, relying on these boundary flux points, which will thereafter serve for the automatic control of the process by an advanced control system. In this work, boundary flux values equal to 10 L h 1 m-2 for the UF membrane module and 14.3 L h-1 m-2 for the NF one were estimated. Moreover, the membrane constant permeability loss, measured by integrating the sub-boundary fouling index, was estimated to be reduced in the order of 65.4% for the NF membrane after the applied pretreatment and UF. This strategy permitted attaining stable and constant productivity for both membranes. Moreover, it is shown that, relying on the boundary flux modelization, both types of control systems (feed control and pressure control) could be used reliably. The proposed approach could help safely narrow the overdesign of membrane processes due to fouling issues and thus would have an impact on the reduction of the costs for both membrane processes. PMID- 29210686 TI - A modelling study of the event-based retention performance of green roof under the hot-humid tropical climate in Kuching. AB - The influences of climate on the retention capability of green roof have been widely discussed in existing literature. However, knowledge on how the retention capability of green roof is affected by the tropical climate is limited. This paper highlights the retention performance of the green roof situated in Kuching under hot-humid tropical climatic conditions. Using the green roof water balance modelling approach, this study simulated the hourly runoff generated from a virtual green roof from November 2012 to October 2013 based on past meteorological data. The result showed that the overall retention performance was satisfactory with a mean retention rate of 72.5% from 380 analysed rainfall events but reduced to 12.0% only for the events that potentially trigger the occurrence of flash flood. By performing the Spearman rank's correlation analysis, it was found that the rainfall depth and mean rainfall intensity, individually, had a strong negative correlation with event retention rate, suggesting that the retention rate increases with decreased rainfall depth. The expected direct relationship between retention rate and antecedent dry weather period was found to be event size dependent. PMID- 29210685 TI - Continuous treatment of Acid Red B with activated sludge bioaugmented by a yeast Candida tropicalis TL-F1 and microbial community dynamics. AB - Continuous treatment of Acid Red B (ARB) with activated sludge (AS) bioaugmented by an azo-degrading yeast Candida tropicalis TL-F1 under aerobic conditions was investigated in the form of sequencing batch tests. Dynamics of both bacterial and fungal communities were analyzed using polymerase chain reaction followed by denaturing gradient gel electrophoresis (PCR-DGGE) method. The results showed that bioaugmentation with the yeast TL-F1 improved the performance of AS for continuously decolorizing, degrading and detoxifying ARB. Meanwhile, the AS systems bioaugmented by the yeast TL-F1 showed higher sludge concentration and better AS settleability. The result of PCR-DGGE suggested that microbial communities of both bacteria and fungi shifted due to treatment of ARB and bioaugmentation. Some dominant bacteria and fungi were identified as probably efficient degraders of ARB or its decolorization byproducts. Furthermore, the yeast TL-F1 was found as one of the dominant fungi in all the three bioaugmented systems, suggesting that bioaugmentation was successful due to the colonization of the yeast TL-F1 in AS systems. PMID- 29210687 TI - Identification and risk assessment of human and veterinary antibiotics in the wastewater treatment plants and the adjacent sea in Tunisia. AB - In the following study, we came up with and validated a prompt, sensitive and precise method for the simultaneous determination of 56 antimicrobial drugs (tetracyclines, sulfonamides, beta-lactams, macrolides and quinolones) using the ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). This method was implemented with success to determine antibiotics in samples collected from four wastewater treatment plants and five coasts in Tunisia. Results showed the presence of high concentrations of antibiotics that ranged from 0.1 to 646 ng mL-1, which can induce many negative impacts on health and the environment. For this reason, we have opted to evaluate toxicity of wastewater samples using a battery of biotests. In fact, genotoxicity was assessed using three tests: Vitotox, comet and micronucleus assays. The input and output of wastewater treatment plants induced a strongly genotoxic effect on the Salmonella typhimurium TA104 prokaryotic Vitotox assay. This result was confirmed using the comet and the micronucleus assays performed on the human liver hepatocellular carcinoma cells. The genotoxic power of the tested wastewater treatment plants' samples could be attributed to the presence of the higher quantities of antibiotics that are detected in these samples and to the antibiotic and organic compound cocktails. PMID- 29210688 TI - The importance of surface functional groups in the adsorption of copper onto walnut shell derived activated carbon. AB - In this study, activated carbon (AC) was prepared from walnut shell using chemical activation. The surface chemistry of the prepared AC was modified by introducing or blocking certain functional groups, and the role of the different functional groups involved in the copper uptake was investigated. The structural and chemical heterogeneity of the produced carbons are characterized by Fourier transform infrared spectrometry, X-ray photoelectron spectroscopy, Boehm titration method and N2/77 K adsorption isotherm analysis. The equilibrium and the kinetics of copper adsorption onto AC were studied. The results demonstrated that the functional groups on AC played an important role in copper uptake. Among various surface functional groups, the oxygen-containing group was found to play a critical role in the copper uptake, and oxidation is the most effective way to improve Cu (II) adsorption onto AC. Ion-exchange was identified to be the dominant mechanism in the copper uptake by AC. Some other types of interactions, like complexation, were also proven to be involved in the adsorption process, while physical force was found to play a small role in the copper uptake. The regeneration of copper-loaded AC and the recovery of copper were also studied to evaluate the reusability of the oxidized AC. PMID- 29210689 TI - An evaluation of hydrologic modeling performance of EPA SWMM for bioretention. AB - Recent techniques should be investigated in detail to avoid present and future problems of urbanization like flood, drought and water pollution. Low Impact Development (LID) Best Management Practices (BMPs) such as bioretentions, green roofs, rain barrels, vegetative swales, and permeable pavements have been implemented to diminish the adverse effects of urbanization. In this study, a hydrological model for a Rainfall-Watershed-Bioretention (RWB) system is developed by using the Environmental Protection Agency Storm Water Management Model (EPA SWMM). RWB system is an experimental setup which consists of an artificial rainfall system, a drainage area and four bioretention columns with different soil mixtures. The hydrological modeling capability of SWMM for bioretentions is presented using the experimental data obtained from the experiments conducted in the RWB system under different rainfall events and for bioretentions with different designs. Finally, the modeling results of SWMM are compared with the results of the Hydrological Model of RWB (HM-RWB) system. Results show that EPA SWMM performs well in modeling bioretentions whereas the results of HM-RWB are in better agreement with the experimental data. PMID- 29210690 TI - Numerical modelling of a three-phase internal air-lift circulating photocatalytic reactor. AB - The photocatalytic degradation process has been recognized as a low-cost, environmentally friendly and sustainable technology for water and wastewater treatment. As a key carrier of the photocatalytic process, the semiconductor TiO2 has been used in many studies. Analysis and modelling of hydrodynamics in the three-phase flow system can provide useful information for process design, operation and optimization of the three-phase flow photocatalytic reactor, which requires research on the mixing and flow characteristics of the interphase regions in the reactor. In this study, we modelled the hydrodynamics in an internal air-lift circulating photocatalytic reactor using an Eulerian multi fluid approach. Localized information on phase holdup, fluid flow patterns and mixing characteristics was obtained. The simulation results revealed that the distribution of solid particle concentration depends on the flow field in the internal air-lift circulating photocatalytic reactor. The distance between the draft tube and wall of the reactor and changes in the superficial gas velocity (Ug) were found to be influential factors in reactor performance. The computational model developed could support optimizing reactor design to improve the hydrodynamics and provide guidance for scale-up. PMID- 29210691 TI - Removing 2,4-dichlorophenol from aqueous environments by heterogeneous catalytic ozonation using synthesized MgO nanoparticles. AB - 2,4-Dichlorophenol (2,4-DCP) is one of the seriously toxic chlorophenol compounds found in agricultural environments, in water disinfected by chlorine, and in outgoing effluents from the pulp and paper industries and paper manufacturing factories. This research studied the feasibility of using MgO nanoparticles (MgO NPs) as a catalyst in the ozonation process for removing 2,4-DCP from aqueous environments under laboratory conditions. This study was conducted using a laboratory-scale semi-continuous reactor. It studied the effects of critical variables such as solution pH, ozonation time, dose of MgO-NPs and initial 2,4 DCP concentration. A statistical model of response surface model (RSM) was designed and utilized to obtain the optimum experimental conditions. Analysis of the data showed that initial concentration of 2,4-DCP and dose of MgO-NPs had the maximum effect on the response variable (percentage degradation of 2,4-DCP). Moreover, based on analysis of variance on the model, the optimum removal conditions were reaction time of 50 min, pH > 7, initial 2,4-DCP concentration of less than 50 mg/L, and an MgO-NPs dose of 0.3 mg/L. Under these optimum conditions, a removal efficiency of 99.99% was achieved. In addition, results indicated that catalytic ozonation in the presence of MgO-NPs was very efficient at removing 2,4-DCP from aqueous environments. PMID- 29210692 TI - Preparation and catalytic performance of copper-containing magnetic catalysts for degradation of azo dye (direct violet). AB - A novel magnetically separable magnetic activated carbon supporting-copper (MCAC) catalyst for catalytic wet peroxide oxidation (CWPO) was prepared by chemical impregnation. The prepared samples were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) method, and scanning electron microscopy (SEM) equipped with energy dispersive spectrometry (EDS). The catalytic performance of the catalysts was evaluated by direct violet (D-BL) degradation in CWPO experiments. The influence of preparative and operational parameters (dipping conditions, calcination temperature, catalyst loading H2O2 dosage, pH, reaction temperature, additive salt ions and initial D-BL concentration) on degradation performance of CWPO process was investigated. The resulting MCAC catalyst showed higher reusability in direct violet oxidation than the magnetic activated carbon (MAC). Besides, dynamic tests also showed the maximal degradation rate reached 90.16% and its general decoloring ability of MCAC was 34 mg g-1 for aqueous D-BL. PMID- 29210693 TI - Impact on nitrifiers of full-scale bioaugmentation. AB - Nitrifiers are the slowest growing bacteria used in conventional biological wastewater treatment. Furthermore, their growth rate is seriously hampered by low temperature. As a result, the volume needed for nitrification dominates the volume of the biological reactors at a wastewater treatment plant. As a way of enhancing nitrification and reducing this volume, bioaugmentation can be used. Nitrifiers from a side-stream plant can be inoculated to the mainstream process, which is thereby boosted. The effect of bioaugmentation can be measured in different ways. This full-scale study focuses on the effect of bioaugmentation from a microbial point of view by using 16S rRNA amplicon sequencing. The study reveals how bioaugmentation increases the diversity of nitrifiers in the mainstream process and in the side-stream plant; that the abundance of nitrifiers is increased in the mainstream process; the interaction between nitrifiers from the side-stream plant and mainstream process; and the effect of bioaugmentation on nitrifying genera and species over time. To our knowledge, this detailed microbial information on nitrifying species during a full-scale bioaugmentation study has not been presented before. PMID- 29210694 TI - Effect of phosphorus on nitrogen migration and transformation in deep subsurface wastewater infiltration systems. AB - This paper investigates the effect of phosphorus on nitrogen migration and transformation during the sewage purification processes in deep subsurface wastewater infiltration systems. Good performance was achieved with a hydraulic loading rate of 0.1 m3/m2.d, indicating that the effluent water quality could meet the primary grade A values as put forth by the 'Cities Sewage Treatment Plant Pollutant Discharge Standard' (GB18918-2002). In addition, the results of three inflow total phosphorus (TP) concentrations (5 mg L-1, 15 mg L-1, and 30 mg L-1) indicated that high-levels of phosphorus were more advantageous in regards to improving the activity of denitrifying bacteria in soil and strengthening the effect of nitrogen removal, suggesting that the effluent total nitrogen (TN) concentration could meet the primary grade A standard (TN <= 15 mg L-1). It was further observed that soil depth was less crucial when inflow TP concentrations were higher. Therefore, the results indicated that inflow phosphorus concentrations could greatly influence nitrogen migration and transformation in deep subsurface wastewater infiltration systems. PMID- 29210695 TI - Biodegradation of dairy wastewater using bacterial and fungal local isolates. AB - Dairy wastewater contains high levels of organics and other pollutants. The present study was carried out to investigate the biodegradation process of dairy effluents using some locally isolated bacteria and fungi. Four different dairy effluent samples were collected from Obour and 6th October industrial cities, Egypt. Five bacterial species (Pseudomonas aeruginosa, Bacillus subtilis, Lactobacillus delbrueckii, Staphylococcus aureus and Enterococcus hirae) and three fungal strains (Alternaria sp., Fusarium sp. and Aspergillus sp.) were isolated from dairy wastewater samples, identified and used for biodegradation process. Bacterial and fungal consortia were prepared separately in the laboratory. Two-stages (aeration and filtration) laboratory scale model was designed. Rice straw and activated carbon layers were used as filtration media. Results indicated the great ability of both studied bacteria and fungi for removal of organics (biological oxygen demand removal percent were 78.7% and 74.7% for bacteria and fungi, respectively) and the improvement of the physicochemical quality (total suspended solids removal percent were 99.3% and 99.0% for bacteria and fungi, respectively) of the dairy effluent. The addition of rice straw and activated carbon increased removal efficiencies. Biodegradation of dairy wastewater depending on local microorganisms is an effective, cheap and eco-friendly technology. PMID- 29210696 TI - Effects of the chemical characteristics and concentration of inorganic suspended solids on nitrification in freshwater. AB - The effect of inorganic suspended solids (ISS) on nitrification in freshwater samples has been described inconsistently and remains unclear. This study therefore investigated the effects of the chemical characteristics and concentration of ISS on the nitrification rate by focusing on Nitrosomonas europaea and Nitrobacter winogradskyi as the two most dominant nitrification species in freshwater. Batch-wise experiments were conducted using three chemically well-characterized ISS (i.e. the clay minerals montmorillonite, sericite, and kaolinite in the concentration range 0-1,000 mg L-1). The results show that the ammonium oxidation rate constant (kNH4) was significantly affected by the ISS type, whereas changes in the ISS concentration had an insignificant effect on kNH4, except for kaolinite. The highest kNH4 was observed in samples containing sericite (kNH4, 0.067 L mg-1 day-1), followed by samples containing montmorillonite (kNH4, 0.044 L mg-1 day-1). The ammonium oxidation rate was low in the control and kaolinite samples. Nitrite oxidation was enhanced in the presence of all types of ISS. The rate constants of ISS-mediated nitrite oxidation (kNO2, 0.13-0.21 L mg-1 day-1) were not significantly different among the three types of ISS, but kNO2 was significantly affected by ISS concentration. Overall, our study indicated various effects of the ISS type and concentration on nitrification and, in particular, a notable positive effect of sericite. PMID- 29210697 TI - The adsorption and Fenton behavior of iron rich Terra Rosa soil for removal of aqueous anthraquinone dye solutions: kinetic and thermodynamic studies. AB - Adsorption and advanced oxidation processes are being extensively used for treatment of wastewater containing dye chemicals. In this study, the adsorption and Fenton behavior of iron rich Terra Rosa soil was investigated for the treatment of aqueous anthraquinone dye (Reactive Blue 19 (RB19)) solutions. The impact of pH, initial dye concentration, soil loading rate, contact time and temperature was systematically investigated for adsorption process. A maximum removal efficiency of dye (86.6%) was obtained at pH 2, soil loading of 10 g/L, initial dye concentration of 25 mg/L, and contact time of 120 min. Pseudo-first order, pseudo-second-order, Elovich, and Weber-Morris kinetic models were applied to describe the adsorption mechanism and sorption kinetic followed a pseudo second-order kinetic model. Moreover, Langmuir, Freundlich and Temkin isotherm models were used to investigate the isothermal mechanism and equilibrium data were well represented by the Langmuir equation. The maximum adsorption capacity of soil was found as 4.11 mg/g using Langmuir adsorption isotherm. The effect of soil loading and hydrogen peroxide (H2O2) dosage was solely tested for Fenton oxidation process. The highest removal efficiency of dye (89.4%) was obtained at pH 2, H2O2 dosage of 10 mM, soil loading of 5 g/L, initial dye concentration of 50 mg/L, and contact time of 60 min. Thermodynamic studies showed that when the adsorption dosage of dye was 25 mg/L at 293-313 K, adsorption enthalpy (DeltaH) and entropy (DeltaS) were negative and adsorption free energy (DeltaG) was positive. This result indicated that the adsorption was exothermic. Morphological characteristics of the soil were evaluated by X-ray fluorescence (XRF), scanning electron microscopy (SEM), and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy before and after the adsorption and oxidation process. PMID- 29210698 TI - Methylene blue removal by carbonized textile sludge-based adsorbent. AB - Colored effluent and a large amount of sludge are major pollutant sources derived from textile industry activity. In this research, the idea for converting textile sludge into a potential adsorbent was conducted through a carbonization process in order to solve the colored effluent problem. Textile sludge was carbonized at a temperature ranging from 400 to 800 degrees C in the absence of oxygen. Maximum adsorption capacity of carbonized sludge for methylene blue removal reached 60.30 mg/g when the sludge was carbonized at 600 degrees C with specific surface area of 138.9 m2/g and no significant alteration was observed until 800 degrees C. Experimental research by using a real wastewater also showed that there was almost no disruption during adsorption of methylene blue into surface of carbonized sludge. While reactivation process revealed that the regeneration of carbonized sludge was applicable by secondary heating at the same carbonization temperature. Furthermore, the application of this research demonstrated that the carbonized textile sludge was a good adsorbent for methylene blue removal and had a capability to be reactivated. PMID- 29210699 TI - Scaling of nanofiltration membranes used for chromium(III) ions recovery from salt solutions. AB - The effect of membranes' structure on the efficiency of chromium(III) ions recovery from salt solution at low pH and the efficiency of chemical cleaning of these membranes were analyzed in this work. The nanofiltration membranes (DL and HL) used in this study were provided by GE Osmonics. The DL membrane had an irregular, dense support layer structure, while the HL membrane had a loose one. In the case of the DL membrane, it was found that, under tested solutions, the layer of mineral scale formed on the surface gradually decreases the membrane permeability coefficient. In the case of the DL membrane, the scaling was observed only on the surface. On the other hand, a small roughness (118A) and low density charge (zeta potential at level -4) of the HL membrane causes an uneven growth in deposits and, consequently, irregular nature of the surface structure which hinders the removal of accumulated sediment from the tested membranes' surface. Additionally, the loose structure of the support layer of HL membrane contributes to its internal scaling. Consequently, the permanently loose structure of the HL membrane permeability coefficient was observed. PMID- 29210700 TI - Characterization of a supported ionic liquid membrane used for the removal of cyanide from wastewater. AB - This work evaluated the performance of ionic liquids (ILs) in supported liquid membranes in the removal of total cyanide from wastewater. Membranes were characterized by scanning electron microscopy and contact angle measurements to study the membrane morphology and wetting ability. In particular, the effects of operational parameters such as membrane immersion time, feed-phase concentration, and pH on cyanide removal were investigated. ILs are organic salts that are entirely composed of organic cations and either organic or inorganic anions. Since their vapor pressure is negligible, they can be handled easily; this characteristic gives rise to their 'green' nature. In this study, a hydrophobic IL, 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim]PF6), was immobilized in the pores of a solid polymeric support made of polyvinylidene fluoride. The optimal conditions were as follows: 1 hour membrane immersion time, 312.24 mg/L feed-phase concentration, a feed-phase pH of 4, 3% NaOH solution, and 1 hour stirring time. The cyanide removal was 95.31%. The treatment of cyanide using supported ionic liquid membrane (SILM) technology is a method with potential applications in industry. PMID- 29210701 TI - Bioelectrochemical nitrogen removal as a polishing mechanism for domestic wastewater treated effluents. AB - Addition of an external carbon source is usually necessary to guarantee a sufficiently high C/N ratio and enable denitrification in wastewater treatment plants (WWTPs). Alternatively, denitrification processes using autotrophic microorganisms have been proposed i.e., with the use of H2 as electron donor or with the use of cathodic denitrification in bioelectrochemical systems (BES), in which electrons are transferred directly to a denitrifying biofilm. The aim of this work was to investigate and demonstrate the feasibility of applying an easy to-operate BES as a polishing mechanism for treated secondary clarified effluent from a municipal WWTP, containing low levels of organic matter, buffer capacity and low concentrations of remaining nitrate. In the proposed system, nitrogen removal rates (0.018-0.121 Kg N m-3 d-1) increased with the nitrogen loading rates, suggesting that biofilm kinetics were not rate limiting. The lowest energy consumption for denitrification was 12.7 kWh Kg N-1, equivalent to 0.021 kWh m-3 and could be further reduced by 14% by adding recirculation circuits within both the anode and cathode. PMID- 29210702 TI - Effects of tannic acid on membrane fouling and membrane cleaning in forward osmosis. AB - The fouling behavior during forward osmosis (FO) was investigated. Tannic acid was used as a model organic foulant for natural organic matter analysis since the main characteristics are similar, and calcium ions were added at different concentrations to explore the anti-pollution capability of FO membranes. The initial permeate flux and calcium ions strength were varied in different operating conditions to describe membrane fouling with membrane cleaning methods. The observed flux decline in FO changed dramatically with the type of foulant and the type of draw solution used to provide the osmotic driving force. Calcium ions aggravated membrane fouling and decreased transmembrane flux. Membrane cleaning methods included physical and physicochemical approaches, and there was no obvious difference among the typical cleaning methods (i.e., membrane flushing with different types of cleaning fluids at various crossflow velocities and backwashing with varying osmotic driving forces) with respect to flux recovery. Ultrasonic cleaning damaged the membrane structure and decreased permeate flux, and reverse diffusion of salt from the draw solution to the feed side accelerated after cleaning. PMID- 29210704 TI - Effect of Stretching Combined With Ultrashort Wave Diathermy on Joint Function and Its Possible Mechanism in a Rabbit Knee Contracture Model. AB - OBJECTIVE: The aim of this study was to investigate the therapeutic effect of stretching combined with ultrashort wave on joint contracture and explore its possible mechanism. DESIGN: Thirty-two rabbits underwent unilateral immobilization of a knee joint at full extension to cause joint contracture. At 6 wks after immobilization, the rabbits were randomly divided into the following four groups: natural recovery group, stretching treatment group, ultrashort wave treatment group, and combined treatment group. For comparison, eight control group animals of corresponding age were also examined. The effect of stretching and ultrashort wave treatment on joint contracture was assessed by measuring the joint range of motion, evaluating the collagen deposition of joint capsule and assessing the mRNA and protein levels for transforming growth factor beta1 in the joint capsule. RESULTS: The combined treatment group led to the best recovery of joint function. The combined treatment with stretching and ultrashort wave was more effective than stretching or ultrashort wave treatment alone against the synovial thickening of suprapatellar joint capsule, the collagen deposition of anterior joint capsule, and the elevated expression of transforming growth factor beta1 in the joint capsule. CONCLUSIONS: Stretching combined with ultrashort wave treatment was effective in improving joint range of motion, reducing the biomechanical, histological, and molecular manifestations of joint capsule fibrosis in a rabbit model of extending joint contracture. PMID- 29210703 TI - High-rate nitrification of electronic industry wastewater by using nitrifying granules. AB - Nitrifying granules have a high sedimentation property and an ability to maintain a large amount of nitrifying bacteria in a reaction tank. Our group has examined the formation process of nitrifying granules and achieved high-rate nitrification for an inorganic synthetic wastewater using these granules. In this research, a pilot-scale test plant with an 850-liter reaction tank was assembled in a semiconductor manufacturing factory in order to conduct a continuous water conduction test using real electronics industry wastewater. The aim was to observe the formation of nitrifying granules and determine the maximum ammonia removal rate. The average granule diameter formed during the experiment was 780 MUm and the maximum ammonia removal rate was observed to be 1.5 kgN.m-3.day-1 at 20 degrees C, which is 2.5-5 times faster than traditional activated sludge methods. A fluorescence in situ hybridization analysis showed that beta proteobacterial ammonia oxidizing bacteria and the Nitrospira-like nitrite oxidizing bacteria dominate the bacteria population in the granules, and their strong aggregation capacity might confer some benefits to the formation of these nitrifying granules. PMID- 29210705 TI - Effects of Platelet-Rich Plasma on Pain and Muscle Strength in Patients With Knee Osteoarthritis. AB - OBJECTIVE: No studies comparing the effects of platelet-rich plasma (PRP) injection and placebo injection in bilateral knee osteoarthritis in the same patient, or discussing muscle strength after PRP injection, have been published. DESIGN: Twenty patients with bilateral knee osteoarthritis were eligible, and 40 knees were randomized into two groups: PRP (knees [right or left by a coin toss] receiving a single intra-articular PRP injection) and saline group (the contralateral knee of the same patient, into which single 4-mL intra-articular injection of normal saline was administered). The primary outcome measure was Western Ontario and McMaster's Universities Osteoarthritis Index and the secondary included isokinetic test results. The evaluation was at baseline and at 2 wks, 1, 3, and 6 mos after injection. RESULTS: The PRP group showed a significant reduction in the Western Ontario and McMaster's Universities Osteoarthritis Index pain and total scores compared with normal saline group (P < 0.05). Although a significantly greater percentage of knee strength (extensor > flexor) was found in the PRP group during a longer follow-up period, PRP treatment resulted in insignificant differences in muscle strength compared with normal saline. CONCLUSIONS: Platelet-rich plasma treatment significantly improves pain, stiffness, and disability in patients with knee osteoarthritis compared with normal saline treatment. Additional strength training is recommended to enhance muscle strength recovery. PMID- 29210706 TI - Clinical Evidence for Any Effect of Anesthesia on the Developing Brain. AB - A recent U.S. Food and Drug Administration warning advised that prolonged or repeated exposure to general anesthetics may affect neurodevelopment in children. This warning is based on a wealth of preclinical animal studies and relatively few human studies. The human studies include a variety of different populations with several different outcome measures. Interpreting the results requires consideration of the outcome used, the power of the study, the length of exposure and the efforts to reduce the confounding effects of comorbidity and surgery. Most, but not all, of the large population-based studies find evidence for associations between surgery in early childhood and slightly worse subsequent academic achievement or increased risk for later diagnosis of a behavioral disability. In several studies, the amount of added risk is very small; however, there is some evidence for a greater association with multiple exposures. These results may be consistent with the preclinical data, but the possibility of confounding means the positive associations can only be regarded as weak evidence for causation. Finally, there is strong evidence that brief exposure is not associated with any long term risk in humans. PMID- 29210707 TI - Images in Anesthesiology: Spinal Subdural Hematoma after Spinal Drain for Endovascular Thoracic Aortic Aneurysm Repair. PMID- 29210708 TI - Takayasu Arteritis and Complete Aortic Arch Branch Vessel Occlusions. PMID- 29210710 TI - Hemopericardium and Acute Cardiac Tamponade. PMID- 29210709 TI - Alphaxalone Binds in Inner Transmembrane beta+-alpha- Interfaces of alpha1beta3gamma2 gamma-Aminobutyric Acid Type A Receptors. AB - BACKGROUND: Neurosteroids like alphaxalone are potent anxiolytics, anticonvulsants, amnestics, and sedative-hypnotics, with effects linked to enhancement of gamma-aminobutyric acid type A (GABAA) receptor gating in the central nervous system. Data locating neurosteroid binding sites on synaptic alphabetagamma GABAA receptors are sparse and inconsistent. Some evidence points to outer transmembrane beta-alpha interfacial pockets, near sites that bind the anesthetics etomidate and propofol. Other evidence suggests that steroids bind more intracellularly in beta-alpha interfaces. METHODS: The authors created 12 single-residue beta3 cysteine mutations: beta3T262C and beta3T266C in beta3-M2; and beta3M283C, beta3Y284C, beta3M286C, beta3G287C, beta3F289C, beta3V290C, beta3F293C, beta3L297C, beta3E298C, and beta3F301C in beta3-M3 helices. The authors coexpressed alpha1 and gamma2L with each mutant beta3 subunit in Xenopus oocytes and electrophysiologically tested each mutant for covalent sulfhydryl modification by the water-soluble reagent para-chloromercuribenzenesulfonate. Then, the authors assessed whether receptor-bound alphaxalone, etomidate, or propofol blocked cysteine modification, implying steric hindrance. RESULTS: Eleven mutant beta3 subunits, when coexpressed with alpha1 and gamma2L, formed functional channels that displayed varied sensitivities to the three anesthetics. Exposure to para-chloromercuribenzenesulfonate produced irreversible functional changes in ten mutant receptors. Protection by alphaxalone was observed in receptors with beta3V290C, beta3F293C, beta3L297C, or beta3F301C mutations. Both etomidate and propofol protected receptors with beta3M286C or beta3V290C mutations. Etomidate also protected beta3F289C. In alpha1beta3gamma2L structural homology models, all these protected residues are located in transmembrane beta alpha interfaces. CONCLUSIONS: Alphaxalone binds in transmembrane beta-alpha pockets of synaptic GABAA receptors that are adjacent and intracellular to sites for the potent anesthetics etomidate and propofol. PMID- 29210712 TI - Optimizing HIV transition services for young adults. AB - PURPOSE OF REVIEW: A total of 1.8 million adolescents live with HIV and constitute the only age group in which HIV-associated mortality continues to rise. Meeting their healthcare needs as they transition from paediatric services to adult care is vital for their own health and in prevention of onward transmission to partners and offspring. In this review, we discuss the issues around transition, both within HIV health care and the wider transitions adolescents negotiate as they move out of childhood and into adult life. RECENT FINDINGS: Although transition models vary widely across the globe, the difficulties faced in gathering robust outcome data following transition to adult care and in linkage between paediatric and adult cohorts are universal. Data are particularly sparse for behaviourally infected adolescents outside North America and for key population groups. Poorer health outcomes universal to adolescents may reflect the complex multisystem developmental transition from childhood-to adulthood, of which transition of healthcare services is a small part. SUMMARY: The complex needs of this generation are well described and whilst examples of good practice are emerging, how best to support their transition to adulthood requires carefully tailored studies of cost-effective interventions that can be up scaled in resource limited settings. PMID- 29210711 TI - An Autopsy Case of Sudden Death in Neurofibromatosis Type 1 With Pheochromocytoma and Myocarditis. AB - An autopsy case of sudden death in a 33-year-old man with neurofibromatosis type 1 (von Recklinghausen disease), pheochromocytoma, and myocarditis is reported. The decedent was found in his bedroom in cardiopulmonary arrest. Polypoid, elastic dermal papules on the neck, chest, abdomen, and back, and flat dark-brown macules on the chest and abdomen were observed. Flat, ovoid, dark-brown freckles were present in both axillae. Examination of the right adrenal gland revealed a tumor measuring 5 cm * 5 cm * 3 cm. Microscopic examination of the myocardium revealed moderate neutrophilic and lymphocytic infiltrates. In the right adrenal gland, tumor cells contained abundant granular eosinophilic cytoplasm and exhibited cell-nesting with an alveolar pattern (Zellballen). Polygonal cells were seen together with rich vascular networks. Immunohistochemical analyses showed cells diffusely positive for chromogranin A and dopamine beta-hydroxylase. Furthermore, blood from the right heart and the right common iliac vein contained high concentrations of serum epinephrine, norepinephrine, and dopamine. Death was attributed to adrenal crisis: circulatory failure caused by excessive catecholamines produced by the pheochromocytoma. In addition, myocarditis, which had been induced chronically by catecholamines, would have also contributed adversely to the clinical course. Pheochromocytoma and myocarditis should be considered when sudden death occurs in the setting of neurofibromatosis type 1. PMID- 29210713 TI - Intradermal Proliferative Fasciitis Occurring With Chondrodermatitis Nodularis Helicis. AB - Nodular fasciitis is a benign myofibroblastic tumor. Its uncommon variant, proliferative fasciitis (PF), can present in an even less common intradermal form. We report a case of intradermal PF of the ear in a 45-year-old man who presented with recurrent episodes of pain and swelling of the lesion. Histologic examination showed a dermal, nodular proliferation of ganglion-like basophilic fibroblasts with prominent nuclei and nucleoli, admixed with foamy histiocytes and areas of spindle cells arranged in intersecting fascicles in a fibromyxoid background. Lesional cells stained positive for smooth muscle actin and were negative for AE1/AE3, p63, and Melan-A. CD68 highlighted intervening histiocytes. We postulate that the underlying chondrodermatitis nodularis helicis was a triggering etiology, consistent with the current speculation that intradermal PF results from trauma. PMID- 29210714 TI - Intertriginous and Seborrheic Dermatitis-Like Lesions in an Endocrine Patient. PMID- 29210715 TI - Blistering and Skin Fragility Due to Imatinib Therapy: Loss of Laminin and Collagen IV as a Possible Cause of Cutaneous Basement Membrane Instability. AB - Imatinib mesylate (Glivec; Novartis AG, Basel, Switzerland) is a tyrosine kinase inhibitor which is used in the treatment of oncologic diseases like chronic myeloid leukemia and gastrointestinal stroma tumor (GIST). Among cutaneous side effects, bullous reactions are rare. The authors describe the case of a 66-year old woman developing blistering and skin fragility on her hands, foot, lower legs, and back after intake of imatinib for treatment of GIST. Biopsy showed vacuolar alteration at the dermoepidermal junction (DEJ) associated with a few lymphocytes and a subepidermal blister. The upper papillary dermis below the vacuolar alteration and below the blister showed hyalinization and loss of elastic microfibrils. Direct immunofluorescence was negative for deposits of immunoglobulins. Immunofluorescence on cryosections revealed loss of laminin and collagen IV in vacuoles at the DEJ. Electron microscopy showed dissolution of lamina lucida and lamina densa of the basement membrane below as well as next to the vacuoles and blister. In conclusion, the authors present the first patient with GIST with blistering and skin fragility due to imatinib therapy. As a pathophysiological explanation the authors propose loss of laminin and collagen IV at the DEJ leading to basement membrane instability and blistering. This case also suggests additional features reminiscent of lichen sclerosus induced by imatinib, a drug which is actually known for its antifibrotic effects. PMID- 29210716 TI - Relationship Between Pityriasis Lichenoides and Mycosis Fungoides: A Clinicopathological, Immunohistochemical, and Molecular Study. AB - BACKGROUND: Several cases of pityriasis lichenoides (PL) have been reported to evolve into mycosis fungoides (MF). OBJECTIVE: To elucidate clues to this progression. METHODS: Fifty-eight patients with PL between 2000 and 2013 (follow up: 3-16 years, average: 8.3). RESULTS: A total of 3 (5.2%) of the 58 patients with PL developed MF after 3-11 years of prolonged clinical course. Papules and small plaques characterized PLs, and patches and larger plaques subsequent MFs. A total of 35 of 41 (85%) followed up non-MF associated patients with PL reported lasting complete remissions. Histopathologically, apoptotic keratinocytes disappeared mostly or completely in subsequent MFs. The presence of epidermotropism, folliculotropism, and epidermal lymphocytic nuclear atypia in PLs was not predictive of MF. CD8 cells were the dominant intraepidermal lymphocytes in the 3 PLs but remained so in only 1 subsequent MF. CD7 lymphocytes decreased substantially in 2 MFs, and lymphocytic nuclear atypia increased markedly in 1. T-cell receptor gene rearrangement studies demonstrated clonal populations in 1 of 2 studied PLs and in all 3 subsequent MFs. CONCLUSIONS: A few PLs may evolve into MF. Prolonged clinical course, appearance of patches and larger plaques, markedly increased lymphocytic nuclear atypia, marked diminution of apoptotic keratinocytes and CD7 and CD8 lymphocytes, and clonal T-cell receptor gene rearrangement may serve as clues. PMID- 29210717 TI - Quality of life outcomes after endoscopic approaches to intracranial tumors. AB - PURPOSE OF REVIEW: To review the literature on quality of life (QOL) in endoscopic approaches to anterior and central intracranial skull-base disease. As endoscopic surgical techniques have gained widespread acceptance and complications and morbidity remain low and comparable with microscopic and open approaches, a shift to focusing on patients' perception of their own well being as an important outcome parameter has been made. In addition to the traditional measurements of surgical outcomes (extent of resection, recurrence rate, morbidity, survival, and complication rate), the success of a surgery can now be assessed using QOL measures. RECENT FINDINGS: The main tools for assessing QOL in endoscopic skull-base surgery (anterior skull-base questionnaire and 22-item sinonasal outcome test) were not specifically designed for endoscopic skull-base approaches, and recently, a new tool was introduced and validated, the skull-base inventory, adding to our armamentarium, but it has not yet been widely employed. Endoscopic skull-base surgery leads to improved or sustained long-term QOL overall but it is significantly influenced by tumor disease. Specific endoscopic surgical technique (such as nasoseptal flap closure) appears to have less impact on QOL. SUMMARY: It is becoming critical to assess therapeutic interventions in terms of impact on a patient's QOL. QOL can be useful in comparing efficacy of surgical interventions, and in the future, it will likely become a reportable indicator of surgical outcome and guide our surgical technique recommendations. Large-scale prospective multicenter trials would be beneficial. PMID- 29210718 TI - Successful Treatment of Idiopathic Intractable Hiccup With Cisatracurium Under Intravenous General Anesthesia: A Case Report. AB - We report the successful treatment of idiopathic intractable hiccups with cisatracurium under intravenous general anesthesia. The patient had a history of hiccups for 19 years that were refractory to a variety of treatments. When his hiccups were accompanied by vomiting, insomnia, shortness of breath, and poor oral intake for 9 days, he sought relief. We administered a nondepolarizing muscle relaxant, cisatracurium, during total intravenous anesthesia, to stop the hiccups. The duration of the anesthetic was determined by the time it took for the patient to recover from the neuromuscular blockade without reversal the cisatracurium. On emergence he had no hiccups. When the hiccups recurred 2 weeks later after a big meal, we repeated the procedure with success. He has now been hiccup free for at least 6 months. PMID- 29210719 TI - Neuromodulatory Burst Therapy for Agent Orange-Induced Peripheral Neuropathy: A Case Report. AB - The prevalence of neuromuscular diseases and peripheral neuropathies in veterans exposed to Agent Orange (AO) is particularly high. Pharmacologic management has not been effective for these patients. Burst therapy spinal cord stimulation (SCS), recently approved for use in the United States, has had demonstrable success in both Europe and Australia. We present a patient with AO-induced peripheral neuropathy who was successfully treated with burst SCS. To our knowledge, this is the first report describing the use of burst SCS for treatment of peripheral neuropathy related to AO exposure. PMID- 29210724 TI - Anesthetic Management of a Pacemaker With a Rate Drop Response Setting: A Case Report. AB - Permanent pacemakers are used for a variety of conditions and are commonly encountered in the perioperative period. This report describes the anesthetic management of a patient with a permanent pacemaker with a rate drop response (RDR) who presented for a laparoscopic left adrenalectomy. The RDR setting is a novel pacemaker mode often used in patients with a history of vasovagal syncope. There are no previous reports describing the anesthetic management of such a pacemaker. This case report describes the features of the RDR setting with the goal of educating clinicians who may encounter patients with this type of pacemaker. The patient described in this case report had large swings in blood pressure intraoperatively due to the natural function of his pacemaker. This report highlights the importance of understanding pacemaker modes in patients about to undergo surgery, especially because pacemaker functions are becoming increasingly sophisticated and more personalized to meet patients' specific needs. PMID- 29210727 TI - Regulatory T cells: from the bench to the clinic and back. AB - PURPOSE OF REVIEW: The main objective of this review is to briefly highlight how we gradually came to understand regulatory T cells (Tregs) and forkhead box p3 (FoxP3) biology, including their function and regulation. We will also discuss how this knowledge is being translated into the clinical setting and the significant challenges that need to be overcome. RECENT FINDINGS: CD4FoxP3 Tregs are key players in immune regulation. Their deficiency and dysfunction have been implicated in the pathogenesis of many autoimmune diseases. This has led towards extensive work across the years to figure out the biology and suppressive mechanisms of these cells. Furthermore, Tregs' ability to suppress immune responses makes the idea of their utilization in adoptive immunotherapy appealing. Work has been underway to establish ideal methods to integrate Tregs into the management of autoimmune diseases and alloimmunity, either by treatment with IL-2 or infusion of ex-vivo expanded Tregs. Despite Tregs' scarcity and increased tendency for Activation-induced cell death, many groups have developed effective methods to expand them ex vivo. SUMMARY: Although clinical trials are ongoing to test the safety and efficacy of regulatory cells in transplant recipients, it is vital to continue exploring the cellular and molecular mechanisms that control their stability and homeostasis. PMID- 29210729 TI - Health Humanities and Medical Education: Joined by a Common Purpose. PMID- 29210728 TI - Are donor lymphocytes a barrier to transplantation tolerance? AB - PURPOSE OF REVIEW: Following solid organ transplantation (SOT), populations of donor lymphocytes are frequently found in the recipient circulation. Their impact on host alloimmunity has long been debated but remains unclear, and it has been suggested that transferred donor lymphocytes may either promote tolerance to the graft or hasten its rejection. We discuss possible mechanisms by which the interaction of donor passenger lymphocytes with recipient immune cells may either augment the host alloimmune response or inhibit it. RECENT FINDINGS: Recent work has highlighted that donor T lymphocytes are the most numerous of the donor leukocyte populations within a SOT and that these may be transferred to the recipient after transplantation. Surprisingly, graft-versus-host recognition of major histocompatibility complex class II on host B cells by transferred donor CD4 T cells can result in marked augmentation of host humoral alloimmunity and lead to early graft failure. Killing of donor CD4 T cells by host natural killer cells is critical in preventing this augmentation. SUMMARY: The ability of passenger donor CD4 T cells to effect long-term augmentation of the host humoral alloimmune response raises the possibility that ex-vivo treatment or modification of the donor organ prior to implantation may improve long-term transplant outcomes. PMID- 29210730 TI - "Social Contract" Remains a Useful Metaphor. PMID- 29210731 TI - In Reply to Cruess et al. PMID- 29210732 TI - Implementing the Charter on Professionalism. PMID- 29210733 TI - In Reply to Griffith. PMID- 29210734 TI - International Medical Graduates Who Have Been Disciplined: Further Causes and Methods to Improve Quality of Care. PMID- 29210736 TI - When and How Do We Teach Cultural Awareness? PMID- 29210735 TI - In Reply to Hyder. PMID- 29210737 TI - In Reply to Weissman. PMID- 29210738 TI - Addressing Military Cultural Competence in Medical Education. PMID- 29210739 TI - In Reply to Mathewson-Chapman and Chapman. PMID- 29210740 TI - What Are the Opportunity Costs of Self-Financing Medical Education? PMID- 29210741 TI - In Reply to Nguyen and Makam. PMID- 29210742 TI - Making a Case for Case Reports. PMID- 29210743 TI - In Reply to Steinhilber et al. PMID- 29210745 TI - Boxed In: Lessons From the Margins of Medical Student Comics. PMID- 29210744 TI - Artist's Statement: First Position. PMID- 29210746 TI - Commentary on Boxed In: Lessons From the Margins of Medical Student Comics. PMID- 29210747 TI - 2017 Hope Babette Tang Humanism in Healthcare Essay Contest: First Place: Eric. PMID- 29210748 TI - Empathy Found Me. PMID- 29210749 TI - Pulmonary rehabilitation for patients with acute chronic obstructive pulmonary disease exacerbations: is the evidence strengthening? AB - PURPOSE OF REVIEW: This manuscript aims to review the most recent evidence about the benefits of early pulmonary rehabilitation commenced during an acute exacerbation in people with COPD (AECOPD). RECENT FINDINGS: A number of RCTs and an observational study, published between 2015 and 2017, have used different exercise interventions compared with usual medical care in people with moderate to-severe COPD during an AECOPD. The results show short-term improvement in walking distance, muscle strength, quality of life and anxiety and depression. SUMMARY: The evidence about early rehabilitation during AECOPD is growing in strength; however, the outcomes and interventions that were used in the RCTs varied from study to study. Unlike pulmonary rehabilitation for people with stable COPD, there is no ideal model of early rehabilitation for people with AECOPD and little information about long-term benefits, for example, attendance at outpatient-based pulmonary rehabilitation and hospital admissions and length of stay. Because of the risks of deconditioning during an AECOPD and the related healthcare costs, early rehabilitation should commence at the bedside. However, more research is required determine the best way to provide early rehabilitation for people with AECOPD. PMID- 29210750 TI - Insights about the economic impact of chronic obstructive pulmonary disease readmissions post implementation of the hospital readmission reduction program. AB - PURPOSE OF REVIEW: Chronic obstructive pulmonary disease (COPD) affects over 12 million adults in the United States and is the third leading cause of 30-day readmissions. COPD is costly with almost $50 billion in direct costs annually. Total COPD costs can be up to double the identified direct costs because of comorbid disease and numerous indirect costs such as absenteeism. Acute exacerbations of COPD (AECOPD) are responsible for up to 70% of COPD-related healthcare costs; hospital readmissions alone account for over $15 billion annually. In this review, we aim to describe insights about the economic impact of COPD readmissions based on articles published over the last 18 months. RECENT FINDINGS: Interventions aimed at reducing readmission, particularly those using interdisciplinary teams with bundled care interventions, were uniformly successful at improving the quality of care provided and demonstrating improved process measures. However, success at reducing readmissions and cost savings based on these interventions varied across the studies. SUMMARY: The literature to date points to factors and conditions that may place patients at higher risk of readmissions and may lead to higher costs. Interventions aimed at reducing readmissions after index admissions for AECOPD have demonstrated variable results. Most interventions did not reflect cost-based analyses. PMID- 29210751 TI - Chronic obstructive pulmonary disease and lung cancer: inter-relationships. AB - PURPOSE OF REVIEW: Chronic obstructive pulmonary disease (COPD) is a well established risk factor for lung cancer. Newer studies reveal a myriad of other mechanisms, some proven and some putative, which may contribute to their association. RECENT FINDINGS: There is an ever-growing bundle of evidence that suggests a close association between persistent chronic inflammation and lung cancer. A few potential targets of genetic susceptibility locus for COPD and lung cancer have been suggested. Better characterization of immune dysregulation and identification of signaling pathways may assist the development of strategies to reduce risk of developing lung cancer in patients with COPD. Current lung cancer screening strategies may exclude some patients at high risk of having lung cancer. Prospective studies indicate that a screening criterion that includes variables reflecting the severity of COPD may increase the sensitivity of the screening program and reduce 'over-diagnosis bias' of indolent lung cancers. Examples of such variables include the emphysema score generated from computed tomography scans and diffusion capacity for carbon monoxide derived from lung function tests. SUMMARY: A better understanding of the inter-relationship between lung cancer pathogenesis and COPD has been described recently. Improving lung cancer screening strategies by incorporating markers of COPD severity has recently been proposed. PMID- 29210752 TI - Lactobacillus casei beneficially modulates immuno-coagulative response in an endotoxemia model. AB - : The current study aims at evaluating the effect of the oral administration of Lactobacillus casei CERELA (CRL) 431 on parameters implicated in inflammation coagulation interaction using a model of acute inflammation induced by lipopolysaccharide (LPS) in mice. Six-week-old Balb/c mice were treated with L. casei for 5 consecutive days. Then treated and untreated mice received an LPS injection (L. casei + LPS and LPS groups, respectively). Liver and kidney were removed, blood samples were obtained, and hemostatic and inflammatory parameters were evaluated at different times post LPS injection. Preventive L. casei administration induced a significant decrease in proinflammatory TNF-alpha and IL 6 cytokines by decreasing tissue factor expression in liver and kidney. Moreover, the lower expression of tissue factor in the L. casei + LPS group led to a lower activation of the coagulation system, which was observed by the fast systemic restoration of factors VII and V coagulation factors and antithrombin levels. This study highlights the capacity of L. casei to modulate the hemostatic unbalance in an acute endotoxemia model. Our findings showed the ability of L. casei CRL 431 to regulate the immuno-coagulative response. This fact could be helpful to propose new adjunctive strategies addressed to the restoration of physiological anticoagulant mechanisms in sepsis patients. PMID- 29210753 TI - Faculty Support for Self-Directed Learning in Internal Medicine Residency: A Qualitative Study Using Grounded Theory. AB - PURPOSE: Self-directed learning (SDL) is part of residency training, which residents desire guidance in implementing. To characterize SDL within the clinical context, this study explored residents' perceptions of faculty members' role in promoting and supporting resident SDL. METHOD: Using a constructivist grounded theory approach, the authors conducted seven focus groups with 46 internal medicine residents at the Mayo Clinic Internal Medicine Residency Program from October 2014 to January 2015. Focus group transcripts were deidentified and processed through open coding and analytic memo writing. Guided by a previously developed SDL model, data were analyzed regarding faculty member involvement in resident SDL. Themes were organized and patterns were discussed at team meetings, with constant comparison with new data. Trustworthiness was established using two member-check sessions. RESULTS: The authors identified themes within the categories of faculty guidance for SDL, SDL versus other directed learning (ODL), and faculty archetypes for supporting SDL. Clinical teachers play a key role in facilitating resident SDL and can provide guidance at each step in the SDL process. Residents discussed the distinction between SDL and ODL, highlighting the integrated nature of learning and interplay between the two approaches to learning. Residents identified themes relating to three archetypal approaches faculty implement to support resident SDL in the clinical environment (directed, collaborative, and role model SDL), with benefits and challenges of each approach. CONCLUSIONS: This study underscores the importance of external guidance for resident SDL and expands on approaches faculty members can use to support SDL in the clinical context. PMID- 29210754 TI - Managing Multiplicity: Conceptualizing Physician Cognition in Multipatient Environments. AB - PURPOSE: Emergency physicians (EPs) regularly manage multiple patients simultaneously, often making time-sensitive decisions around priorities for multiple patients. Few studies have explored physician cognition in multipatient scenarios. The authors sought to develop a conceptual framework to describe how EPs think in busy, multipatient environments. METHOD: From July 2014 to May 2015, a qualitative study was conducted at McMaster University, using a think-aloud protocol to examine how 10 attending EPs and 10 junior residents made decisions in multipatient environments. Participants engaged in the think-aloud exercise for five different simulated multipatient scenarios. Transcripts from recorded interviews were analyzed inductively, with an iterative process involving two independent coders, and compared between attendings and residents. RESULTS: The attending EPs and junior residents used similar processes to prioritize patients in these multipatient scenarios. The think-aloud processes demonstrated a similar process used by almost all participants. The cognitive task of patient prioritization consisted of three components: a brief overview of the entire cohort of patients to determine a general strategy; an individual chart review, whereby the participant created a functional patient story from information available in a file (i.e., vitals, brief clinical history); and creation of a relative priority list. Compared with residents, the attendings were better able to construct deeper and more complex patient stories. CONCLUSIONS: The authors propose a conceptual framework for how EPs prioritize care for multiple patients in complex environments. This study may be useful to teachers who train physicians to function more efficiently in busy clinical environments. PMID- 29210755 TI - Recruitment of Dual-Career Academic Medicine Couples. AB - Today it is not uncommon to discover that a candidate for a faculty position has a partner or spouse who is also an academician, adding complexity to the recruitment process. Here, the authors address two practical obstacles to the recruitment of faculty who have an academic partner: dual recruitment and conflict of interest. The authors have found that tandem recruitment works best when suitable positions for both spouses are first identified so that recruitment can proceed synchronously. This approach decreases misperceptions of favoritism toward either's candidacy. Managing conflict of interest, generated by the appointment of one spouse in a supervisory position over the other, requires a proactive, transparent, well-designed plan. After canvassing human resource policies and conducting interviews with national academic leaders, the authors have developed an administrative structure that places "key" decisions (hiring and retention; promotion and tenure; salary, bonuses, and benefits; performance evaluations; and disciplinary matters) regarding the supervised spouse in the jurisdiction of an alternative administrator or committee. The authors also offer suggestions both for mitigating misperceptions of bias in day-to-day decisions and for the support and mentoring of the supervised partner or spouse. PMID- 29210756 TI - The Survey Checklist (Manifesto). AB - Checklists can mitigate a multitude of high-cost mistakes in fields ranging from surgery to aviation. As part of a standard protocol, checklists may provide many benefits, including improved equity and communication among team members and more efficient integration of different processes during complex tasks. Mostly, though, checklists serve as easy, efficient means to remind professionals of what they already know but can easily forget. By improving processes, checklists can reduce procedural errors, miscommunications, and even deaths. Although the stakes of writing a survey are rarely as high as they are for performing surgery or piloting a plane, checklists can improve the quality of surveys in medical education. In this Perspective, the authors propose a survey checklist to serve the same core function as surgical checklists-to reduce error. That is, a survey checklist can help medical education practitioners and researchers gather more accurate responses. Designers can use the checklist in the appendix to guide item creation processes or to help evaluate the quality of existing surveys. The checklist focuses on formulating items, crafting response options, and formatting/organizing the whole survey. PMID- 29210757 TI - Challenges in Surgical Care of High Risk Newborns. PMID- 29210758 TI - NANN Celebrates Neonatal Nurses Day. PMID- 29210759 TI - Nursing Care of Infants with a Ventriculoperitoneal Shunt. PMID- 29210760 TI - A Pilot Study of Responses to Suctioning Among Neonates on Bubble Nasal Continuous Positive Airway Pressure. AB - BACKGROUND: Maintenance of a patent airway while the neonate is on nasal continuous positive airway pressure (nasal CPAP) requires vigilant monitoring and oral/nasopharyngeal suctioning. Currently, no evidence-based guidelines for safe suctioning in neonates while on bubble nasal CPAP have been published. PURPOSE: (1) To characterize the clinical and behavioral responses of neonates on bubble nasal CPAP in a level III neonatal intensive care unit following routine oral and nasopharyngeal suctioning. METHODS: This pilot study has a 1-sample within subject repeated-measures design in which neonates (N = 16) served as their own control. Data on a neonate's physiological and behavior measures (heart rate, respiratory rate, oxygen saturation [SaO2], and Premature Infant Pain Profile [PIPP] score) were collected before, during, and after the completion of suctioning sequence. FINDING/RESULTS: A total of 16 neonates with a mean gestational age of 29.76 weeks and an average day of life of 3.4 were enrolled. The infant's heart rates did not differ significantly (P = .51) across the suctioning sequence. There were no statistical significant changes in the average respiratory rate across the suctioning sequences (P = .79). SaO2 demonstrated a drop between baseline and after each suctioning (P < .001). The PIPP score demonstrated a precipitous increase throughout the procedure (P < .001). On average, it took 9.5 seconds (SD = 4.9) to complete the suctioning sequences. IMPLICATIONS FOR PRACTICE: Our results suggest that the guideline tested is safe and tolerated by infants. IMPLICATIONS FOR RESEARCH: This guideline should be tested in a larger sample and with neonates on other nasal CPAP systems. PMID- 29210761 TI - Foreword. PMID- 29210762 TI - Decentralization: The Corridor Is the Problem, Not the Alcove. AB - There is controversy today about whether decentralized intensive care unit (ICU) designs featuring alcoves and multiple sites for charting are effective. There are issues relating to travel distance, visibility of patients, visibility of staff colleagues, and communications among caregivers, along with concerns about safety risk. When these designs became possible and popular, many ICU designs moved away from the high-visibility circular, semicircular, or box-like shapes and began to feature units with more linear shapes and footprints similar to acute bed units. Critical care nurses on the new, linear units have expressed concerns. This theory and opinion article relies upon field observations in unrelated research studies and consulting engagements, along with material from the relevant literature. It leads to a challenging hypothesis that criticism of decentralized charting alcoves may be misplaced, and that the associated problem may stem from corridor design and unit size in contemporary ICU design. The authors conclude that reliable data from research investigations are needed to confirm the anecdotal reports of nurses. If problems are present in current facilities, organizations may wish to consider video monitoring, expanded responsibilities in the current buddy system, and use of greater information sharing during daily team huddles. New designs need to involve nurses and carefully consider these issues. PMID- 29210763 TI - Evaluating Nurses' Perception of Patient Safety Design Features in Intensive Care Units. AB - A methodological study was conducted to test the validity and reliability of the patient safety (PS) scale developed by Rashid (2007) for evaluating nurses' perception of adult intensive care unit (ICU) design features related to patient safety. Data for the study were collected using a Web-based survey instrument. A link to the survey instrument was posted on the Web site of American Association of Critical-Care Nurses (AACN) for ICU nurses in different US states to participate. A sample of 587 valid responses was divided into 2 halves for cross validation. The first half of the sample was used for exploratory factor analysis and the second half for confirmatory factor analysis. This method was applied to identify any latent factor structure in the PS scale. Based on the factor analyses, 4 relevant PS subscales-Efficient Work Process, Patient Room, Accessibility and Visibility, and Maintain Sterility-were identified. These PS subscales were used to investigate whether ICU unit characteristics, nurse characteristics, and hospital type affected nurses' perception of ICU design features in relation to patient safety. The study shows that nurses' perception of ICU design features related to patient safety can be influenced by such factors as nurse characteristics and unit characteristics. When using the scales, therefore, the designers can be aware of the influence of these external factors on nurses' perception. It is hoped that the PS subscales evaluating nurses' perception of ICU physical environmental features related to patient safety would help designers and health care personnel make better ICU design choices. PMID- 29210764 TI - Deriving Information Requirements for a Smart Nursing System for Intensive Care Units. AB - The workplace environment for intensive care nursing is highly stressful, with long working hours and a dynamic workload that may induce fatigue. The resulting stress and fatigue may reduce nurses' efficiency and may contribute to medical errors. A smart wearable system is being designed to help nurses who experience high levels of stress and fatigue at work. This article documents the systematic process of deriving information requirements from 2 focus groups conducted separately with nurses and nurse managers working in various Southeastern Texas hospitals. While nurses expected functionality such as memory aid tools, health assessment, and stress-reducing exercises, nurse managers expected information about the overall status of the unit's fatigue/stress levels as well as nurses' communication and movement patterns. The derived information requirements will act as an objective assessment of needs and would set the stage for the design of a stress-monitoring tool. PMID- 29210765 TI - Environmental Infection Prevention: Priorities of Patient Safety Collaboration. AB - Although progress has been made in decreasing health care-associated infections (HAI) in intensive care unit (ICU) patients, there has been an increase in HAI caused by drug-resistant pathogens, particularly those that contaminate the environment such as methicillin-resistant Staphylococcus aureus, vancomycin resistant Enterococcus, Pseudomonas spp, Acinetobacter spp, and Clostridium difficile. The ICU environment including sinks and medical equipment has been identified as being at risk for contamination and associated with cross transmission of pathogens between the health care provider, the environment, and the patient. This article addresses the role of the ICU nurse as a team facilitator collaborating with environmental services, infection preventionists, and others to influence ICU design during preconstruction planning and unit environmental hygiene after construction to promote patient safety and prevent HAI associated with contaminated environments and equipment. PMID- 29210766 TI - Tele-ICU and Patient Safety Considerations. AB - The tele-ICU is designed to leverage, not replace, the need for bedside clinical expertise in the diagnosis, treatment, and assessment of various critical illnesses. Tele-ICUs are primarily decentralized or centralized models with differing advantages and disadvantages. The centralized model has sufficiently powered published data to be associated with improved mortality and ICU length of stay in a cost-effective manner. Factors associated with improved clinical outcomes include improved compliance with best practices; providing off-hours implementation of the bedside physician's care plan; and identification of and rapid response to physiological instability (initial clinical review within 1 hour) and rapid response to alerts, alarms, or direct notification by bedside clinicians. With improved communication and frequent review of patients between the tele-ICU and the bedside clinicians, the bedside clinician can provide the care that only they can provide. Although technology continues to evolve at a rapid pace, technology alone will most likely not improve clinical outcomes. Technology will enable us to process real or near real-time data into complex and powerful predictive algorithms. However, the remote and bedside teams must work collaboratively to develop care processes to better monitor, prioritize, standardize, and expedite care to drive greater efficiencies and improve patient safety. PMID- 29210767 TI - Informatics for the Modern Intensive Care Unit. AB - Advanced informatics systems can help improve health care delivery and the environment of care for critically ill patients. However, identifying, testing, and deploying advanced informatics systems can be quite challenging. These processes often require involvement from a collaborative group of health care professionals of varied disciplines with knowledge of the complexities related to designing the modern and "smart" intensive care unit (ICU). In this article, we explore the connectivity environment within the ICU, middleware technologies to address a host of patient care initiatives, and the core informatics concepts necessary for both the design and implementation of advanced informatics systems. PMID- 29210768 TI - Safety and Security Concerns of Nurses Working in the Intensive Care Unit: A Qualitative Study. AB - Intensive care units (ICUs) exist to serve as a safe place for critically ill patients to receive care from skilled practitioners. In this qualitative study, ICU nurses shared their perspectives on elements that promote safety and security on their units. After obtaining institutional review board approval, participants participated in telephone interviews with a nurse researcher who has experience as a bedside ICU nurse. Five categories and 14 themes were identified and then confirmed using member checking. Results indicate that participants prefer to provide care in ICUs with no more than 12 to 14 beds and provide the following: visibility of patients and coworkers; more than 1 way to exit; and can be locked in case of emergency or threat. Nearly all respondents mentioned adequate staffing as the most important attribute of a safe, secure care environment for patients and families. More research is needed to identify design features that make the most impact on providing a safe, secure ICU environment. PMID- 29210769 TI - Direct Observation of Medication Errors in Critical Care Setting: A Systematic Review. AB - Medication errors continue to be an issue for the critically ill and are costly to both patients and health care facilities. This article reviews published research about these errors and reports results of observational studies. The types of errors, incidence, and root causes have been considered along with adverse consequences. The implications for bedside practice as a result of this review are fairly straightforward. Medication errors are happening at an alarming rate in the critical care environment, and these errors are preventable. It is imperative that all personnel respect and follow established guidelines and procedural safeguards to ensure flawless drug delivery to patients. PMID- 29210770 TI - In Vitro Generation of Glucose-Responsive Insulin-Secreting Cells from PDX1 Overexpressing Human-Induced Pluripotent Stem Cell Derived from Diabetic Patient. AB - Pancreatic and duodenal homeobox 1 (PDX1), a member of the homeodomain-containing transcription factor family, is a key transcription factor for pancreas development and mature beta-cell function. In this study, induced overexpression of PDX1 resulted in producing susceptible cells for pancreatic differentiation and was well beneficial to enhance beta-cell production, maturation, function, and survival. Induced PDX1 overexpression in harmony with a set of signaling molecules involves in guiding the signaling pathways toward pancreas development, leaded to high-efficient in vitro generation of ectopic insulin-producing cells (IPCs) with the effectively reduced number of polyhormonal cells and increased number of insulin (INS) single-positive cells. This strategy yielded 85.61% glucose-responsive insulin-positive cells in vitro, which was seven times higher than the basal level, and electron microscopy images revealed the presence of mature beta-cell secretory granules. The generation of glucose-responsive insulin secreting beta-like cells from human-induced pluripotent stem cells (hiPSCs) in vitro would provide a promising approach to produce an unprecedented cell source for cell transplantation therapy in diabetes without the ethical obstacle of embryonic stem cells and would bypass immune rejection. These cells are an invaluable source for disease modeling, drug discovery, and pharmacogenomics studies as well. PMID- 29210771 TI - Effect of Inhaled Nitric Oxide on Hemodynamics in Lambs with 11/2 Ventricle Circulation. AB - Inhaled nitric oxide (NO) is widely used to treat postoperative pulmonary hypertension in congenital heart disease. It is believed that NO increases cardiac output (CO) by decreasing pulmonary vascular resistance (PVR), leading to increased left ventricular preload. However, the effect of NO on CO in patients with 11/2 ventricle circulation remains unclear. To evaluate this, a superior cavopulmonary (SCP) shunt was constructed in 10 juvenile sheep. A PTFE graft was inserted between the superior vena cava (SVC) and the main pulmonary artery (PA). The SVC was clamped at the right atrial junction to establish a 11/2 ventricle circulation. Flows, pressures, and arterial blood gases were recorded before and during inhalation of NO. Mean arterial pressure (46.6 +/- 5.4 to 44.6 +/- 5.9 mm Hg; p = 0.06) and left atrial pressure (4.0 +/- 2.5 to 4.0 +/- 2.3 mm Hg; p = 1.0) did not change. Mean PA pressure (13.6 +/- 2.4 to 11.7 +/- 2.9 mm Hg; p = 0.006) and PVR (5.47 +/- 2.99 to 4.54 +/- 2.61 Wood Units; p = 0.037) decreased significantly. SVC flow (24.8 +/- 11.3 to 22.0 +/- 9.7 ml/min/kg; p = 0.09) did not change, and CO decreased (140.2 +/- 37.2 to 132.1 +/- 39.2 ml/min/kg; p = 0.033). Arterial PO2 improved (103.72 +/- 29.30 to 132.43 +/- 47.02 mm Hg; p = 0.007). In this 11/2 ventricle model, NO surprisingly decreased cardiac output (CO) and did not increase left ventricular preload. PMID- 29210772 TI - Bleeding Complication Rates Are Higher in Females after Continuous-Flow Left Ventricular Assist Device Implantation. AB - The aims of this analysis were to characterize the burden and timing of bleeding events in females versus males on left ventricular assist device (LVAD) support. A single-center retrospective review of 375 patients receiving continuous-flow LVADs was performed. Bleeding events included gastrointestinal, naso oropharyngeal, gynecologic (GYN), intracranial hemorrhage (ICH), and mediastinal bleeding. Cox hazard ratios (HRs) [95% CI] and incident event rates for females versus males were calculated. Eighty-four females (22%) and 291 males (78%) received an LVAD. There were 189 patients with 406 bleeding events over a median 399 days of support. Two-year freedom from bleeding was 33 +/- 6.2% in females and 46 +/- 3.7% in males (p = 0.027). Correlates of bleeding included female sex (adjusted HR = 1.6 [1.1-2.2]) and older age (adjusted HR = 1.2 [1.1-1.3] per 10 years). There was no sex-associated difference in 30 day mediastinal bleeding (males 12%; females 16% at 30 days; overall p = 0.35), but incident event rates for overall bleeding and naso-oropharyngeal bleeding were higher in females (p < 0.05) and trends were noted in ICH (eppy: 0.06 male vs. 0.10 female, p = 0.14). Eight females (10%) experienced 12 GYN bleeding events; five required surgical intervention. In summary, females had a 60% higher hazard of bleeding than males with significant morbidity encountered from mucosa (including vaginal) bleeding. Future large device studies should be inclusive of sex-specific outcomes. PMID- 29210773 TI - Do Psychosocial Factors Have Any Impact on Outcomes After Left Ventricular Assist Device Implantation? AB - Psychosocial factors have been show to impact survival and outcomes in a number of different diseases, including heart failure and patients receiving heart transplantation. With the increasing utilization of these devices, it is important to identify risk factors that could impact post-left ventricular assist device (LVAD) outcomes. This study was a single center, retrospective analysis of 238 patients who underwent implantation of a LVAD between July 27, 2004, and July 21, 2016, at The University of Nebraska Medical Center. Data collected include length of stay, number of readmission, alive status at 30 days, 180 days, and 1 year, as well as multiple psychosocial factors including history of drug abuse, history of alcohol abuse, history of noncompliance, history of anxiety, and history of depression, among others. Outcomes were calculated using univariate and multivariate analyses with SAS Version 9.4. None of the psychosocial factors assessed in this study showed statistical significance in predicting 30 day or 6 month mortality, but patients who smoked at the time of admission for LVAD implantation had higher mortality at 1 year (odds ratio 4.6, 95% confidence interval, 1.226-15.898, p = 0.011.) Patients with a diagnosis of depression had higher numbers of readmissions compared with those without depression (p = 0.048) with the number of readmissions further increased in patients with a diagnosis of both depression and anxiety (p = 0.0074). Psychosocial determinants do not appear to have a significant effect on mortality, but can result in increased risk of readmission if not adequately addressed before implantation and continually monitored postimplantation. PMID- 29210774 TI - Liberal Right Ventricular Assist Device Extracorporeal Membrane Oxygenation Support for Right Ventricular Failure after Implantable Left Ventricular Assist Device Placement. AB - Refractory right ventricular failure (RVF) after implantation of left ventricular assist device (LVAD) is a dramatic complication. The addition of right ventricular assist device (RVAD) may improve RV recovery and lead to improve outcomes. From February 2012 to September 2014, 44 patients received a HeartMate II. These patients were retrospectively compared in two groups according to early liberal implantation of an extracorporeal membrane oxygenation (ECMO) used as a RVAD established between a femoral vein and the pulmonary artery. Of the 44 patients, 22 required addition of a temporary RVAD (t-RVAD group). Patients are sicker in the t-RVAD group with significantly higher rate of preoperative extracorporeal life support (46% vs. 9%; p = 0.016) or any mechanical circulatory support (55% vs. 14%; p = 0.01), more preoperative hemofiltration (23% vs. 0%; p = 0.048), and more inotrope support by dobutamine (68.2% vs. 27.3%; p = 0.015). Likewise Michigan risk score was significantly higher in t-RVAD group (2.61 +/- 2.2 vs. 1.0 +/- 1.6 pts; p = 0.013) and INTERMACS clinical profile (2.1 +/- 0.6 vs. 3.4 +/- 1.3 pts; p = 0.0001). Despite severity of preimplant conditions in t RVAD group, clinical outcomes did not differ in both groups with similar survival rate at 6 months (60.4 +/- 12 vs. 71.4 +/- 9.9%; p = 0.585). Early and liberal use of temporary RVAD in patients with risk factors of RVF could improve the prognostic after LVAD implantation. PMID- 29210775 TI - Isometric Exercise to Reduce Pain in Patellar Tendinopathy In-Season; Is It Effective "on the Road?" AB - OBJECTIVE: To investigate the effectiveness of an isometric squat exercise using a portable belt, on patellar tendon pain and function, in athletes during their competitive season. DESIGN: Case series with no requirements to change any aspect of games or training. The object of this pragmatic study was to investigate this intervention in addition to "usual management." A control or sham intervention was considered unacceptable to teams. SETTING: In-season. PARTICIPANTS: A total of 25 male and female elite and subelite athletes from 5 sports. INTERVENTION: 5 * 30-second isometric quadriceps squat exercise using a rigid belt completed over a 4-week period. MAIN OUTCOME MEASURES: (1) single-leg decline squat (SLDS)-a pain provocation test for the patellar tendon (numerical rating score of pain between 0 and 10), (2) VISA-P questionnaire assessing patellar tendon pain and function, and (3) self-reported adherence with completing the exercise over a 4 week period. RESULTS: Baseline SLDS pain was high for these in-season athletes, median 7.5/10 (range 3.5-9) and was significantly reduced over the 4-week intervention (P < 0.001, ES r = 0.580, median change 3.5). VISA-P scores improved after intervention (P < 0.001, ES r = 0.568, mean change 12.2 +/- 8.9, percentage mean change 18.8%, where minimum clinical important difference of relative change for VISA-P is 15.4%-27%). Adherence was high; athletes reported completing the exercise 5 times per week. CONCLUSIONS: This pragmatic study suggests that a portable isometric squat reduced pain in-season for athletes with PT. This form of treatment may be effective, but clinical trials with a control group are needed to confirm the results. PMID- 29210776 TI - Three experienced lactation consultants reflect upon the oral tie phenomenon. PMID- 29210778 TI - Psychoactive drugs and HIV: are we sure to treat our patients adequately? PMID- 29210777 TI - Costs and benefits of on-demand HIV preexposure prophylaxis in MSM. AB - OBJECTIVES: We undertook the economic evaluation of the double-blind randomized ANRS-IPERGAY trial, which showed the efficacy of on-demand preexposure prophylaxis (PrEP) with tenofovir disoproxil fumarate (TDF)-emtricitabine (FTC) in preventing HIV infection among high-risk MSM. DESIGN AND METHODS: The economic evaluation was prospective. Counseling, drugs (TDF-FTC at &OV0556;500.88 for 30 tablets), tests, visits, and hospital admissions were valued based on in-trial use. The cost of on-demand PrEP/HIV infection averted was compared with the yearly and lifetime costs of HIV infection in France in a cost and benefits analysis. RESULTS: The yearly number of participants needed to treat to prevent one HIV infection was 17.6 (95% confidence interval = 10.7-49.9). The annual cost of counseling was &OV0556;690/participant. The total 1-year costs of PrEP were &OV0556;4271/participant, of which &OV0556;3129 (73%) were drug costs corresponding to 15 tablets of TDF-FTC/month. The yearly cost of on-demand PrEP to avoid one infection was &OV0556;75 258. Using TDF-FTC generic (&OV0556;179.9/30 tablets) reduced the 1-year costs of on-demand PrEP to &OV0556;2271/participant and &OV0556;39 970/infection averted, respectively. Using TDF-FTC at international market discounted prices (&OV0556;60/30 tablets) reduced the costs to &OV0556;1517/participant and the cost to &OV0556;26 787/infection averted, comparable with the yearly treatment cost of HIV infection in France. On-demand PrEP was found to be cost saving in France if the duration of exposure was less than 7.5 years at current drug price and 13 years at generic price. CONCLUSION: On-demand PrEP in high-risk MSM with TDF-FTC can be considered cost saving. Other benefits include the treatments of other diseases and reductions in secondary infections. PMID- 29210779 TI - Remarkable plasma HIV RNA decrease by ombitasvir/paritaprevir/ritonavir in an HIV HCV coinfection case. PMID- 29210780 TI - Primary HIV infection in a Crohn's disease patient receiving infliximab maintenance therapy. PMID- 29210785 TI - Large Variability in the Diversity of Physiologically Complex Surgical Procedures Exists Nationwide Among All Hospitals Including Among Large Teaching Hospitals. AB - BACKGROUND: Multiple previous studies have shown that having a large diversity of procedures has a substantial impact on quality management of hospital surgical suites. At hospitals with substantial diversity, unless sophisticated statistical methods suitable for rare events are used, anesthesiologists working in surgical suites will have inaccurate predictions of surgical blood usage, case durations, cost accounting and price transparency, times remaining in late running cases, and use of intraoperative equipment. What is unknown is whether large diversity is a feature of only a few very unique set of hospitals nationwide (eg, the largest hospitals in each state or province). METHODS: The 2013 United States Nationwide Readmissions Database was used to study heterogeneity among 1981 hospitals in their diversities of physiologically complex surgical procedures (ie, the procedure codes). The diversity of surgical procedures performed at each hospital was quantified using a summary measure, the number of different physiologically complex surgical procedures commonly performed at the hospital (ie, 1/Herfindahl). RESULTS: A total of 53.9% of all hospitals commonly performed <10 physiologically complex procedures (lower 99% confidence limit [CL], 51.3%). A total of 14.2% (lower 99% CL, 12.4%) of hospitals had >3-fold larger diversity (ie, >30 commonly performed physiologically complex procedures). Larger hospitals had greater diversity than the small- and medium-sized hospitals (P < .0001). Teaching hospitals had greater diversity than did the rural and urban nonteaching hospitals (P < .0001). A total of 80.0% of the 170 large teaching hospitals commonly performed >30 procedures (lower 99% CL, 71.9% of hospitals). However, there was considerable variability among the large teaching hospitals in their diversity (interquartile range of the numbers of commonly performed physiologically complex procedures = 19.3; lower 99% CL, 12.8 procedures). CONCLUSIONS: The diversity of procedures represents a substantive differentiator among hospitals. Thus, the usefulness of statistical methods for operating room management should be expected to be heterogeneous among hospitals. Our results also show that "large teaching hospital" alone is an insufficient description for accurate prediction of the extent to which a hospital sustains the operational and financial consequences of performing a wide diversity of surgical procedures. Future research can evaluate the extent to which hospitals with very large diversity are indispensable in their catchment area. PMID- 29210786 TI - Selective Serotonin Reuptake Inhibitors and Serotonin-Norepinephrine Reuptake Inhibitors Are Not Associated With Bleeding or Transfusion in Cardiac Surgical Patients. AB - BACKGROUND: Selective serotonin reuptake inhibitor (SSRI) and serotonin norepinephrine reuptake inhibitor (SNRI) use is known to alter platelet activation and aggregation leading to impairment in hemostasis. Previous studies are ambiguous with regard to bleeding, transfusion, and perioperative complications in patients undergoing cardiac surgery. The purpose of this study was to evaluate the risk of perioperative bleeding, transfusion, morbidity, and mortality in cardiac surgical patients taking SSRI/SNRIs compared with propensity matched controls. METHODS: Adult patients undergoing cardiac surgery with cardiopulmonary bypass at our institution between January 1, 2004, and December 31, 2014, were eligible for study inclusion. Patients taking SSRI/SNRI medications at the time of surgery were identified and compared against all other patients not taking SSRI/SNRI medications to produce well-matched groups via propensity score analysis. Patients taking SSRI/SNRI medications were matched in a 1:1 ratio to control patients not taking these medications based on an internally estimated propensity score. Primary outcomes included perioperative blood transfusion, chest tube output, and reoperation for bleeding. Secondary outcomes included postoperative complications (renal failure, stroke or transient ischemic accident, prolonged mechanical ventilation, and perioperative myocardial infarction), intensive care unit (ICU) and hospital length of stay (LOS), and 30 day mortality. RESULTS: A total of 1417 pairs of SSRI/SNRI patients and matched controls were retained for analysis. Between SSRI/SNRI patients and matched controls, there was no significant difference in postoperative chest tube output (median, 750.0 vs 750.0 mL; P = .860) or reoperation for bleeding (2.8% vs 2.5%; P = .892). Perioperative transfusion rates across all time points and blood product type were not significantly different between groups, with the overall perioperative transfusion rate for SSRI/SNRI patients 66.5% vs 64.9% for matched controls (P = .697). Patients in the SSRI/SNRI group had a higher rate of prolonged mechanical ventilation (13.1% vs 8.6%; P = .002), longer ICU LOS (median, 25.5 vs 23.8 hours; P < .001), and longer hospital LOS (median, 6.0 vs 5.0 days; P < .001). Remaining mortality and outcome data were similar between groups. CONCLUSIONS: SSRI/SNRI use was not associated with an increased risk of bleeding or transfusion in patients undergoing cardiac surgery. While there was prolonged mechanical ventilation and increased ICU/hospital LOS in the SSRI/SNRI group, it is unclear that this finding is the result of such medications or rather associated with the underlying psychiatric condition for which they are prescribed. The results of this study suggest that perioperative interruption of SSRI/SNRIs to reduce the risk of perioperative bleeding and transfusion is unwarranted and may risk destabilization of patients' psychiatric condition. PMID- 29210787 TI - Nonhuman Primates in Anesthesia Research: Have We Reached the End of the Road? PMID- 29210789 TI - Predicting Severity of Acute Pain After Cesarean Delivery: A Narrative Review. AB - Cesarean delivery is one of the most common surgical procedures in the United States, with over 1.3 million performed annually. One-fifth of women who undergo cesarean delivery will experience severe pain in the acute postoperative period, increasing their risk of developing chronic pain and postpartum depression, and negatively impacting breastfeeding and newborn care. A growing body of research has investigated tools to predict which patients will experience more severe pain and have increased analgesic consumption after cesarean delivery. These include quantitative sensory testing, assessment of wound hyperalgesia, response to local anesthetic infiltration, and preoperative psychometric evaluations such as validated psychological questionnaires and simple screening tools. For this review, we searched MEDLINE, the Cochrane database, and Google Scholar to identify articles that evaluated the utility of various tools to predict severe pain and/or opioid consumption in the first 48 hours after cesarean delivery. Thirteen articles were included in the final review: 5 utilizing quantitative sensory testing, including patient responses to pressure, electrical, and thermal stimuli; 1 utilizing hyperalgesia testing; 1 using response to local anesthetic wound infiltration; 4 utilizing preoperative psychometric evaluations including the State-Trait Anxiety Inventory, the Pain Catastrophizing Scale, the Pittsburgh Sleep Quality Index, the Hospital Anxiety and Depression Scale, and simple questionnaires; and 2 utilizing a combination of quantitative sensory tests and psychometric evaluations. A number of modalities demonstrated statistically significant correlations with pain outcomes after cesarean delivery, but most correlations were weak to modest, and many modalities might not be clinically feasible. Response to local anesthetic infiltration and a tool using 3 simple questions enquiring about anxiety and anticipated pain and analgesic needs show potential for clinical use, but further studies are needed to evaluate the utility of these predictive tests in clinical practice. PMID- 29210790 TI - Management of 1-Lung Ventilation-Variation and Trends in Clinical Practice: A Report From the Multicenter Perioperative Outcomes Group. AB - BACKGROUND: Lung-protective ventilation (LPV) has been demonstrated to improve clinical outcomes in surgical patients. There are very limited data on the current use of LPV for patients undergoing 1-lung ventilation (1LV) despite evidence that 1LV may be a particularly important setting for its use. In this multicenter study, we report trends in ventilation practice for patients undergoing 1LV. METHODS: The Multicenter Perioperative Outcomes Group database was used to identify patients undergoing 1LV. We retrieved and calculated median initial and overall tidal volume (VT) for the cohort and for high-risk subgroups (female sex, obesity [body mass index >30 kg/m], and short stature), percentage of patients receiving positive end-expiratory pressure (PEEP) >=5 cm H2O, LPV during 1LV (VT <= 6 mL/kg predicted body weight [PBW] and PEEP >=5 cm H2O), and ventilator driving pressure (DeltaP; plateau airway pressure - PEEP). RESULTS: Data from 5609 patients across 4 institutions were included in the analysis. Median VT was calculated for each case and since the data were normally distributed, the mean is reported for the entire cohort and subgroups. Mean of median VT during 1LV for the cohort was 6.49 +/- 1.82 mL/kg PBW. VT (mL/kg PBW) for high-risk subgroups was significantly higher; 6.86 +/- 1.97 for body mass index >=30 kg/m, 7.05 +/- 1.92 for female patients, and 7.33 +/- 2.01 for short stature patients. Mean of the median VT declined significantly over the study period (from 6.88 to 5.72; P < .001), and the proportion of patients receiving LPV increased significantly over the study period (from 9.1% to 54.6%; P < .001). These changes coincided with a significant decrease in DeltaP during the study period, from 19.4 cm H2O during period 1 to 17.3 cm H2O in period 12 (P = .003). CONCLUSIONS: Despite a growing awareness of the importance of protective ventilation, a large proportion of patients undergoing 1LV continue to receive VT PEEP levels outside of recommended thresholds. Moreover, VT remains higher and LPV less common in high-risk subgroups, potentially placing them at elevated risk for iatrogenic lung injury. PMID- 29210791 TI - Design and Evaluation of a Closed-Loop Anesthesia System With Robust Control and Safety System. AB - BACKGROUND: Closed-loop control of anesthesia involves continual adjustment of drug infusion rates according to measured clinical effect. The NeuroSENSE monitor provides an electroencephalographic measure of depth of hypnosis (wavelet-based anesthetic value for central nervous system monitoring [WAVCNS]). It has previously been used as feedback for closed-loop control of propofol, in a system designed using robust control engineering principles, which implements features specifically designed to ensure patient safety. Closed-loop control of a second drug, remifentanil, may be added to improve WAVCNS stability in the presence of variable surgical stimulation. The objective of this study was to design and evaluate the feasibility of a closed-loop system for robust control of propofol and remifentanil infusions using WAVCNS feedback, with an infusion safety system based on the known pharmacological characteristics of these 2 drugs. METHODS: With Health Canada authorization, research ethics board approval, and informed consent, American Society of Anesthesiologists I-III adults, requiring general anesthesia for elective surgery, were enrolled in a 2-phase study. In both phases, infusion of propofol was controlled in closed loop during induction and maintenance of anesthesia, using WAVCNS feedback, but bounded by upper- and lower estimated effect-site concentration limits. In phase I, remifentanil was administered using an adjustable target-controlled infusion and a controller was designed based on the collected data. In phase II, remifentanil was automatically titrated to counteract rapid increases in WAVCNS. RESULTS: Data were analyzed for 127 patients, of median (range) age 64 (22-86) years, undergoing surgical procedures lasting 105 (9-348) minutes, with 52 participating in phase I and 75 in phase II. The overall control performance indicator, global score, was a median (interquartile range) 18.3 (14.2-27.7) in phase I and 14.6 (11.6-20.7) in phase II (median difference, -3.25; 95% confidence interval, -6.35 to -0.52). The WAVCNS was within +/-10 of the setpoint for 84.3% (76.6-90.6) of the maintenance of anesthesia in phase I and 88.2% (83.1-93.4) in phase II (median difference, 3.7; 95% confidence interval, 0.1-6.9). The lower propofol safety bound was activated during 30 of 52 (58%) cases in phase I and 51 of 75 (68%) cases in phase II. CONCLUSIONS: Adding closed-loop control of remifentanil improved overall controller performance. This controller design offers a robust method to optimize the control of 2 drugs using a single sensor. The infusion safety system is an important component of a robust automated anesthesia system, but further research is required to determine the optimal constraints for these safe conditions. PMID- 29210792 TI - Technical Solutions and the Safety Big Picture. PMID- 29210793 TI - Failure of the Oxygen Gauge to Accurately Reflect the Pressure in the Oxygen Tank. PMID- 29210794 TI - Effect of Remote Ischemic Preconditioning on Outcomes in Adult Cardiac Surgery: A Systematic Review and Meta-analysis of Randomized Controlled Studies. AB - BACKGROUND: Remote ischemic preconditioning (RIPC) has been demonstrated to prevent organ dysfunction in cardiac surgery patients. However, recent large, prospective, multicenter, randomized controlled trials (RCTs) had controversial results. Thus, a meta-analysis of RCTs was performed to investigate whether RIPC can reduce the incidence of acute myocardial infarction (AMI), acute kidney injury (AKI), and mortality in adult cardiac surgery patients. METHODS: Study data were collected from Medline, Elsevier, Cochrane Central Register of Controlled Trials and Web of Science databases. RCTs involving the effect of RIPC on organ protection in cardiac surgery patients, which reported the concentration or total release of creatine kinase-myocardial band, troponin I/troponin T (TNI/TNT) after operation, or the incidence of AMI, AKI, or mortality, were selected. Two reviewers independently extracted data using a standardized data extraction protocol where TNI or TNT concentrations; total TNI released after cardiac surgery; and the incidence of AKI, AMI, and mortality were recorded. Review Manager 5.3 software was used to analyze the data. RESULTS: Thirty trials, including 7036 patients were included in the analyses. RIPC significantly decreased the concentration of TNI/TNT (standard mean difference [SMD], -0.25 ng/mL; 95% confidence interval [CI], -0.41 to -0.048 ng/mL; P = .004), creatine kinase-myocardial band (SMD, -0.22; 95% CI, -0.07-0.35 ng/mL; P = .46), and the total TNI/TNT release (SMD, -0.49 ng/mL; 95% CI, -0.93 to -0.55 ng/mL; P = .03) in cardiac surgery patients after a procedure. However, RIPC could not reduce the incidence of AMI (relative risk, 0.89; 95% CI, 0.70-1.13; P = .34) and AKI (relative risk, 0.88; 95% CI, 0.72-1.06; P = .18), and there was also no effect of RIPC on mortality in adult cardiac surgery patients. Interestingly, subgroup analysis showed that RIPC reduced incidence of AKI and mortality of cardiac surgery patients who received volatile agent anesthesia. CONCLUSIONS: Our meta analysis demonstrated that RIPC reduced TNI/TNT release after cardiac surgery. RIPC did not significantly reduce the incidence of AKI, AMI, and mortality. However, RIPC could reduce mortality in patients receiving volatile inhalational agent anesthesia. PMID- 29210796 TI - Perioperative Steroid Use for Tonsillectomy and Its Association With Reoperation for Posttonsillectomy Hemorrhage: A Retrospective Cohort Study. AB - BACKGROUND: Steroids reduce postoperative complications after tonsillectomy such as nausea and vomiting, pain, and delayed recovery. However, steroids may also increase the risk of severe posttonsillectomy bleeding requiring reoperation. METHODS: To evaluate the risk of postoperative bleeding requiring reoperation related to perioperative steroid use, we conducted a retrospective cohort study of 6149 patients treated at 68 hospitals using a hospital-based claims database. The primary outcome was reoperation for bleeding within 14 postoperative days. We estimated odds ratios (ORs) between perioperative steroid use and reoperation by multivariable logistic regression analysis adjusted for confounders. We also estimated differences in the adjusted risk. Subgroup analyses after dividing patients into adults and children were also performed. RESULTS: The incidence of reoperation did not differ significantly between patients who received steroids on the day of tonsillectomy and those who did not (1.8%, n = 15 vs 1.5%, n = 79; adjusted OR 0.81, 95% confidence interval [CI], 0.45-1.43; P = .46). We also found nonsignificant associations in both adults (OR, 0.73; 95% CI, 0.38-1.38; P = .33) and children (OR, 1.18; 95% CI, 0.34-4.11; P = .80). The adjusted risk differences estimated by the logistic regression model were -0.30% (95% CI, -1.05 to 0.45) in all patients, -0.64% (95% CI, -1.82 to 0.54) in adults, and 0.13% (95% CI, -0.93 to 1.19) in children. CONCLUSIONS: Steroid use on the day of tonsillectomy was not associated with an increased risk of reoperation for bleeding. Although the wide range of CIs for the ORs could not eliminate the possibility of increased risk, especially in children, the incremental risks of reoperation for steroid use were within an acceptable range for both adults and children. Our results support the safety of perioperative steroid use for tonsillectomy, considering the magnitude of risk of reoperation because of bleeding. PMID- 29210799 TI - Extrauterine, Extragenital Endometrial Stromal Sarcoma in the Absence of Endometriosis: A Rare Entity. PMID- 29210798 TI - Investigation of 2 Prototypes of Novel Noncontact Technologies for Automated Real Time Capture of Incremental Drug Administration Data From Syringes. PMID- 29210800 TI - Molecular Modifiers of Hormone Receptor Action: Decreased Androgen Receptor Expression in Mismatch Repair Deficient Endometrial Endometrioid Adenocarcinoma. AB - Endometrial endometrioid carcinoma is related to estrogen excess and expression of estrogen and progesterone receptors. Epidemiological evidence suggests that exposure to elevated androgens, as in polycystic ovarian syndrome, increases the risk of endometrial cancer. Factors impacting androgen receptor (AR) expression are not well studied. Mismatch repair (MMR) deficiency due to MLH1 gene methylation is one of the most common molecular alterations in endometrial cancer, occurring in 15% to 20% of cases. MLH1 methylation can be associated with decreased expression of other genes, so we examined the effect of MMR status on AR expression. As NF-kappaB is known to induce AR, this transcription factor was also examined. Three hundred forty-four unselected endometrial carcinomas were evaluated for DNA MMR. Loss of expression of MLH1 with MLH1 methylation was defined as MMR deficient, and positive expression of MMR proteins was defined as MMR intact. A case-control cohort of 96 grade 2 endometrioid carcinomas was studied from this set (47 MMR deficient, 49 MMR intact). Cases were matched for histotype, grade, and age. AR and NF-kappaB immunohistochemical expression were evaluated by 2 different scoring systems (CAP/ASCO and Allred) used for estrogen receptor. Despite higher levels of NF-kappaB, MMR deficiency was associated with a significantly lower mean percentage of AR expression. The MMR deficient group had more variable AR expression, with more cases scoring on the lower end of the spectrum. These findings have implications for clinical trials of AR antagonists in gynecologic cancers. PMID- 29210805 TI - Development of a Simple Preoperative Risk Score for Persistent Pain After Breast Cancer Surgery: A Prospective Observational Cohort Study. AB - OBJECTIVES: Persistent postoperative pain is reported by 30% to 50% of patients following breast cancer surgery. Studies testing preventive measures, however, have so far failed to produce consistent positive results. If preventive measures could be targeted to a subgroup of patients at high risk of persistent pain, positive results would be more likely. Our aim was to develop a simple risk score predicting persistent pain after breast cancer surgery. MATERIALS AND METHODS: In a prospective observational cohort study, we tested the predictive ability of a 4 simple items score for persistent pain in 200 patients scheduled for breast cancer surgery. A multivariable logistic regression model was created for the outcome of clinically important pain at 4 months. RESULTS: On the basis of literature review and univariable analysis of our data, 4 parameters were selected: preoperative pain at the surgical site, history of depression, age below 50 years and expected pain of high intensity (>6/10). Points for the score are based on the coefficients of the logistic regression model. A total score >=2 points/5 predicts a risk of developing clinically important pain at 4 months >30%, with an area under the curve-receiver operating characteristic of 0.81. DISCUSSION: We studied known risk factors for persistent pain in patients scheduled for breast cancer surgery and constructed a preoperative risk score simple enough to select high-risk patients in future prevention studies. PMID- 29210806 TI - At the intersection of teaching and research: Mapping the health care management literature. PMID- 29210807 TI - Restoring Genital Hiatus to Normative Values After Apical Suspension Alone Versus With Level 3 Support Procedures. AB - OBJECTIVE: The aim of the study was to evaluate postoperative genital hiatus after apical suspension procedures without a level 3 support procedure (L3SP), posterior repair, and perineorrhaphy, compared with normative-value genital hiatus of 3.4 cm. METHODS: This an analysis of a pre-existing retrospectively collected database that included all minimally invasive sacrocolpopexies and uterosacral ligament suspensions performed at a tertiary medical center from January 2009 to August 2015. RESULTS: We identified 1006 surgical cases: 160 (15.9%) apical suspensions with L3SPs and 846 (84.1%) without. Mean (SD) age was 59 (9) years and body mass index was 27.6 (4.7) kg/m. Women were mainly white (97.4%) with stage III prolapse (67.8%). Those who underwent L3SPs were more likely to be premenopausal and undergo hysterectomy and USLS.Baseline genital hiatus was similar with and without L3SPs (4.8 [1.2] cm vs 4.6 [1.1] cm, P = 0.096). Postoperative genital hiatus was reduced beyond normative (3.4 cm) after apical suspension without (3.0 [0.7] cm, P < 0.001) and with (2.8 [0.9] cm, P < 0.001) L3SPs. Postoperative genital hiatus after L3SPs was similar to those without (2.8 [0.9] cm vs 3.0 [0.7] cm, P = 0.06). We found that change in genital hiatus was greater, by 0.7 cm, when L3SP was performed versus not performed (2.3 [1.2] cm vs 1.6 [1.1] cm, P < 0.001). CONCLUSIONS: Level 3 support procedures may be unnecessary to restore genital hiatus to normal at time of apical suspension procedures and should be reserved for select patients. PMID- 29210808 TI - Prophylactic Use of Haloperidol and Changes in Glucose Levels in Hospitalized Older Patients. AB - BACKGROUND: Treatment with antipsychotic drugs has been associated with glucose dysregulation in older outpatients, especially in the early stage of therapy. The underlying mechanism is, however, unclear. The aim of this study was to investigate changes in glucose levels during haloperidol use compared with the use of placebo among older hospitalized patients. METHODS: This substudy was part of a larger multicenter, randomized, double blind, placebo-controlled clinical trial among hospitalized patients aged 70 years and older who had an increased risk of in-hospital delirium. Patients who were admitted to the Jeroen Bosch Hospital in 's-Hertogenbosch between June 2014 and February 2015 were invited to participate in the study. Participating patients were randomized for treatment and given 1 mg of haloperidol or a placebo twice daily for a maximum of 7 consecutive days (14 doses). Exclusion criteria for this substudy were the use of corticosteroids and changes in diabetes medication. Random blood samples to determine glucose levels were collected before day 1 and on day 6 of the study. Student independent sample t test was used to determine differences in glucose changes between both groups. RESULTS: Twenty-nine patients were included (haloperidol, n = 14; placebo, n = 15). The mean glucose level for placebo users was 139.3 mg/dL (SD, 50.1) on day 1 and 140.8 mg/dL (SD, 45.7) on day 6, and the mean glucose level for haloperidol users was 139.9 mg/dL (SD, 71.0) on day 1 and 150.2 mg/dL (SD, 39.1) on day 6. The difference was not statistically significant (P = 0.685). CONCLUSIONS: Short-term prophylactic use of haloperidol was not associated with changes in glucose levels in older hospitalized patients compared with those given a placebo in this small study. PMID- 29210809 TI - Evaluation and refinement of a handheld health information technology tool to support the timely update of bedside visual cues to prevent falls in hospitals. AB - AIM: To evaluate clinicians' perspectives, before and after clinical implementation (i.e. trial) of a handheld health information technology (HIT) tool, incorporating an iPad device and automatically generated visual cues for bedside display, for falls risk assessment and prevention in hospital. METHODS: This pilot study utilized mixed-methods research with focus group discussions and Likert-scale surveys to elicit clinicians' attitudes. The study was conducted across three phases within two medical wards of the Queen Elizabeth Hospital. Phase 1 (pretrial) involved focus group discussion (five staff) and surveys (48 staff) to elicit preliminary perspectives on tool use, benefits and barriers to use and recommendations for improvement. Phase 2 (tool trial) involved HIT tool implementation on two hospital wards over consecutive 12-week periods. Phase 3 (post-trial) involved focus group discussion (five staff) and surveys (29 staff) following tool implementation, with similar themes as in Phase 1. Qualitative data were evaluated using content analysis, and quantitative data using descriptive statistics and logistic regression analysis, with subgroup analyses on user status (P <= 0.05). RESULTS: Four findings emerged on clinicians' experience, positive perceptions, negative perceptions and recommendations for improvement of the tool. Pretrial, clinicians were familiar with using visual cues in hospital falls prevention. They identified potential benefits of the HIT tool in obtaining timely, useful falls risk assessment to improve patient care. During the trial, the wards differed in methods of tool implementation, resulting in lower uptake by clinicians on the subacute ward. Post-trial, clinicians remained supportive for incorporating the tool into clinical practice; however, there were issues with usability and lack of time for tool use. Staff who had not used the tool had less appreciation for it improving their understanding of patients' falls risk factors (odds ratio 0.12), or effectively preventing hospital falls (odds ratio 0.12). Clinicians' recommendations resulted in subsequent technological refinement of the tool, and provision of an additional iPad device for more efficient use. CONCLUSION: This study adds to the limited pool of knowledge about clinicians' attitudes toward health technology use in falls avoidance. Clinicians were willing to use the HIT tool, and their concerns about its usability were addressed in ongoing tool improvement. Including end users in the development and refinement processes, as well as having high staff uptake of new technologies, is important in improving their acceptance and usage, and in maximizing beneficial feedback to further inform tool development. PMID- 29210811 TI - HOW QUICKLY THINGS CHANGE: UPDATES IN PUBLISHING THAT AFFECT YOU. PMID- 29210810 TI - Restoring Perceived Loudness for Listeners With Hearing Loss. AB - OBJECTIVES: Normalizing perceived loudness is an important rationale for gain adjustments in hearing aids. It has been demonstrated that gains required for restoring normal loudness perception for monaural narrowband signals can lead to higher-than-normal loudness in listeners with hearing loss, particularly for binaural broadband presentation. The present study presents a binaural bandwidth adaptive dynamic compressor (BBDC) that can apply different gains for narrow- and broadband signals. It was hypothesized that normal perceived loudness for a broad variety of signals could be restored for listeners with mild to moderate high frequency hearing loss by applying individual signal-dependent gain corrections. DESIGN: Gains to normalize perceived loudness for narrowband stimuli were assessed in 15 listeners with mild to moderate high-frequency hearing loss using categorical loudness scaling. Gains for narrowband loudness compensation were calculated and applied in a standard compressor. Aided loudness functions for signals with different bandwidths were assessed. The deviation from the average normal-hearing loudness functions was used for gain correction in the BBDC. Aided loudness functions for narrow- and broadband signals with BBDC were then assessed. Gains for a 65 dB SPL speech-shaped noise of BBDC were compared with gains based on National Acoustic Laboratories' nonlinear fitting procedure version 2 (NAL-NL2). The perceived loudness for 20 real signals was compared to the average normal-hearing rating. RESULTS: The suggested BBDC showed close-to normal loudness functions for binaural narrow- and broadband signals for the listeners with hearing loss. Normal loudness ratings were observed for the real world test signals. The proposed gain reduction method resulted on average in similar gains as prescribed by NAL-NL2. However, substantial gain variations compared to NAL-NL2 were observed in the data for individual listeners. Gain corrections after narrowband loudness compensation showed large interindividual differences for binaural broadband signals. Some listeners required no further gain reduction for broadband signals; for others, gains in decibels were more than halved for binaural broadband signals. CONCLUSION: The interindividual differences of the binaural broadband gain corrections indicate that relevant information for normalizing perceived loudness of binaural broadband signals cannot be inferred from monaural narrowband loudness functions. Over amplification can be avoided if binaural broadband measurements are included in the fitting procedure. For listeners with a high binaural broadband gain correction factor, loudness compensation for narrowband and broadband stimuli cannot be achieved by compression algorithms that disregard the bandwidth of the input signals. The suggested BBDC includes individual binaural broadband corrections in a more appropriate way than threshold-based procedures. PMID- 29210813 TI - Effect of Low-Volume Split-Dose Purgative on the Quality of Bowel Prep for Colonoscopy on the Hospitalized Patient. AB - Although colon cancer is preventable, it is still the second leading cause of cancer death in both men and women in the United States (). Colonoscopy is as yet the gold standard for colon cancer prevention (). The success of colonoscopy is dependent upon the quality of the bowel prep. The problem addressed in this study was the impact of hospitalization on bowel prep quality. The participants in this study were 54 consecutive inpatients older than 18 years and 52 consecutive outpatients older than 18 years who were scheduled for colonoscopy in the Endoscopy Lab at Santa Barbara Cottage Hospital. Convenience sampling was used to collect sample data utilizing the Boston Bowel Prep Scale (BBPS). The study group contained 48.1% of the inpatients who had a BBPS of less than seven (out of nine total possible points with a score of nine representing the most optimal prep outcome) compared to 19.2% of the outpatients. Efforts to improve bowel prep palatability, decrease cost, and decrease side effects while improving quality should be continued. Split-dosing is a best practice recommendation. This researcher hypothesized that an intervention in the form of a lower-volume, split dosage prep would improve the quality of bowel prep in the inpatient population. There was a statistically significant improvement noted with the intervention group in the follow-up study, which indicates potential for improving the quality of bowel prep for screening colonoscopy, thus a possibility for better colon health surveillance. PMID- 29210814 TI - Caregiver Education Reduces the Incidence of Community-Acquired CLABSIs in the Pediatric Patient With Intestinal Failure. AB - Pediatric patients with intestinal failure often require central venous catheters for extended periods of time for parenteral nutrition, blood sampling, and medication administration, increasing morbidity, mortality, and costs. In 2007, we reported a central line-associated bloodstream infection rate of 7.0 per 1,000 catheter line-days in our pediatric patients with intestinal failure. On the basis of this high rate of catheter-associated infections, we developed and implemented a central line care curriculum for patients/family caregivers and home health nurses. We aim to show with the implementation of patient/family caregiver and home health nurse standardized education, the central line associated bloodstream infection rate can be significantly reduced and that this is sustainable. A retrospective review of 80 pediatric outpatients with intestinal failure and long-term central venous access was performed between January 1, 2009, and December 31, 2014. During this time period, the nursing department at Children's Medical Center of Dallas implemented a systematic central line care education program for patients and/or caregivers. The number of community-acquired central line-associated bloodstream infections during this time period was collected and compared with our previously reported data from 2005 to 2007 prior to the implementation of education program. With the implementation of standardized care guidelines and a central venous catheter care curriculum, the community-acquired rate decreased from 4.8 to 2.9 per 1,000 catheter-days in 80 patients with intestinal failure between January 1, 2009, and December 31, 2014 (p < .001). This was also a significant decrease compared with the initial central line-associated bloodstream infection rate of 7.0 per 1,000 central line days in 2007 (p < .001) prior to the development of the central venous catheter care curriculum. We have shown that the incidence of community acquired central line-associated bloodstream infections in children with intestinal failure can be reduced through formal education of central venous catheter care to family members. PMID- 29210815 TI - Effect of Home Care Nursing on Patients Discharged From Hospital With Self Reported Signs of Constipation: A Randomized Trial. AB - Constipation is a common health problem in relation to hospitalization. This randomized controlled trial aimed to investigate whether advice from a home care nurse after discharge had an effect on self-reported signs of constipation. A total of 59 patients were included in the study on the basis of their self reported signs of constipation evaluated using the Constipation Assessment Scale. Advice from the home care nurses was given on the intake of fiber and liquid and mobilization related to scorings on the Constipation Risk Assessment Scale, the administration of laxatives, and referral to a physician when needed. Results showed a tendency toward the visits being effective, but a more complex intervention might be needed. PMID- 29210816 TI - Nursing Assessment of Patients Requiring Enteral and Gastric Feeding Tubes: An Exploratory Approach. AB - There is insufficient information available in the current literature regarding how nurses assess, intervene, and advocate for patients with indwelling gastric and enteral tube feedings. To understand ways in which nurses could be more supportive, a survey, distributed through private online social media groups, was designed to elicit preliminary data from patients who are currently, or had recently been treated, with a feeding tube. This survey examines nurse behaviors that patients identify as actually or potentially helpful with the physical, emotional, social, and logistical aspects of having a feeding tube. The results of the survey reveal that, although some patients report feeling cared for by nurses and believe that their nurses were compassionate, a greater number of respondents express that their nurses were less informed and less able to provide help with their emotional challenges. Further investigation is needed to assess how nurses can better support these patients and better identify the successful and transformative interventions that would be helpful to them. PMID- 29210817 TI - Influence of Different Lengths of Rubber Tube on Patients After Esophageal Stent Implantation Using a Silk Thread. AB - Our objective was to compare the efficacy of different lengths of rubber tube (6 French) on patients with esophageal stent implantation performed using a silk thread. We measured the effects in terms of pain and foreign body sensation felt in the pharynx and esophageal mucosa of the patients. A retrospective analysis was conducted using records of 65 patients who were divided into 3 groups. Group A had 20 cases with the distal end of the tube toward the nasal cavity, Group B had 21 cases with the distal end of the tube reaching the nasopharynx without exceeding the soft palate, and Group C had 24 cases with the distal end of the tube toward the upper end of the stent. Follow-up was performed on 1 day, 2 days, 1 week, 2 weeks, 4 weeks, 6 weeks, and 8 weeks postoperatively. During each period, the pain scores for Groups B and C were lower than those for Group A (p < .05), whereas no difference was observed when Groups B and C were compared. Although no variations were seen between the 3 groups in terms of the proportion of patients with foreign body sensation on the first day (p > .05), Groups A and B had a lower proportion than Group C (p < .05) at those periods. No difference was observed when Groups A and B were compared. In conclusion, the Group B method was successful in alleviating the side effects caused by the silk thread. PMID- 29210818 TI - Evaluation of Adherence to American Society of Health-System Pharmacists Guidelines: Stress Ulcer Prophylaxis in Shiraz, Iran. AB - Overuse of stress ulcer prophylaxis has a considerable cost burden on patient and healthcare systems. This study aimed to determine the adherence level of stress ulcer prophylaxis use with American Society of Health-System Pharmacists guidelines in a teaching hospital in Shiraz, Iran. From March to September 2013, we enrolled all eligible patients admitted to the general medical wards of Shahid Faghihi Hospital, Shiraz, Iran. According to American Society of Health-System Pharmacists guidelines, patients who had at least one major or two minor risk factors for stress ulcers and received stress ulcer prophylaxis were labeled as adherent, others were considered nonadherent. During the study period, 441 patients enrolled, of which 257 (58.3%) were women. The mean +/-SD age of patients was 54.7 +/- 20 years. The mean +/-SD length of hospital stay for patients was 11.3 +/- 6 days. Overall, 354 patients (80.2%) received proton pump inhibitors as stress ulcer prophylaxis. There were 127 patients who properly received stress ulcer prophylaxis. Total adherence to American Society of Health System Pharmacists guidelines in our hospital was 28.8%. We observed a high frequency of unnecessary use of stress ulcer prophylaxis in hospitalized, noncritically ill patients with inappropriate continuation after discharge. PMID- 29210819 TI - CHYLOUS ASCITES AFTER LAPAROSCOPIC LOW ANTERIOR COLORECTAL RESECTION FOR RECTOSIGMOID CARCINOMA: A CASE REPORT AND A LITERATURE REVIEW. PMID- 29210820 TI - LONG-TERM PROTON PUMP INHIBITOR (PPI) USE AND THE DEVELOPMENT OF GASTRIC PREMALIGNANT LESIONS. PMID- 29210821 TI - MOMENTS THAT TAKE YOUR BREATH AWAY. PMID- 29210823 TI - PERIPHERALLY ACTING MU-OPIOID RECEPTOR ANTAGONISTS. PMID- 29210822 TI - PERIPHERALLY ACTING MU-OPIOID RECEPTOR ANTAGONISTS. PMID- 29210825 TI - Graftless Maxillary Sinus Lift Using Lateral Window Approach: A Systematic Review. AB - PURPOSE: The aim was to determine the survival rate of dental implants installed in the posterior region of the maxilla after a graftless maxillary sinus lift via the lateral window approach and to identify the factors involved in the results. MATERIALS AND METHODS: A systematic search was done on MEDLINE, EMBASE, LILACS, Scopus, and Science Direct up to June 2016; additional studies were identified through an analysis of references. Primary studies in English, Spanish, Portuguese, and French were included; the selection and data extraction process was conducted by 2 investigators independently, and the methodological quality was evaluated by means of the Effective Public Health Practice Project's Quality Assessment Tool. RESULTS: The combined search identified 232 articles. After the selection process, 11 articles were identified, 9 of which were prospective and 2 were retrospective. In all of them, the graftless maxillary sinus lift was done with the immediate installation of the implant. All the studies included presented a low methodological quality. The mean survival rate of the implants was 97% with an average new intrasinus bone formation of 6.2 mm. CONCLUSION: This technique has a high implant survival although it is not possible to identify its correct indication and contraindication. PMID- 29210827 TI - Demarcation Line in the Human Cornea After Surface Ablation Observed by Optical Coherence Tomography and Confocal Microscopy. AB - PURPOSE: To investigate the long-term changes in anterior corneal structure after surface ablation. METHODS: In this retrospective study, patients who received surface ablation including laser-assisted subepithelial keratomileusis (LASEK) and epipolis laser in situ keratomileusis at the Department of Ophthalmology of Fudan University Eye and Ear, Nose and Throat (EENT) Hospital (Shanghai, People's Republic of China) were telephoned. Patients were asked to follow-up at the refractive center. Changes in the anterior cornea (from the epithelium to the anterior stroma) were examined by optical coherence tomography (OCT) and in vivo confocal microscopy. RESULTS: Thirty-four eyes of 18 patients (10 years or more after operation), 16 eyes of 8 patients (4 years after operation), 12 eyes of 6 patients (1 year after operation), 8 eyes of 4 patients (6 months after operation), and 12 eyes of 6 patients (1 month after operation) were included. Under OCT, a smooth, continuous, and highly reflective demarcation line between the epithelial layer and the stroma was noted in all eyes that received surgeries more than 1 year previously. For eyes at 6 months after operation, the complete formation of this demarcation line was detected in 12.5% (1/8) of eyes and a partial formation of this demarcation line was observed in 87.5% (7/8) of eyes. A partial formation of this demarcation line was observed in 100% (12/12) of eyes in patients at 1 month after surgery. CONCLUSIONS: A demarcation line in the human cornea can be detected after corneal surface ablation. It was completely formed around postoperative 6 to 12 months. The functions and components of this structure merit investigation. PMID- 29210826 TI - High Acceptability and Increased HIV-Testing Frequency After Introduction of HIV Self-Testing and Network Distribution Among South African MSM. AB - BACKGROUND: South African men who have sex with men (MSM) have a high burden of undiagnosed HIV infection and HIV-testing rates incommensurate with their risk. HIV self-testing (HIVST) may increase testing uptake, frequency, and earlier HIV detection and treatment. SETTING: Gert Sibande and Ehlanzeni districts, Mpumalanga Province, South Africa. METHODS: We conducted a longitudinal HIVST study among MSM between June 2015 and May 2017. Overall 127 HIV-negative MSM were provided with up to 9 test kits of their choice-oral fluid or blood fingerstick to use themselves and distribute to their networks. Surveys conducted 3- and 6 month post-enrollment elicited information on HIVST experiences, preferences, acceptability, utilization, and distribution. We used generalized estimating equations to assess changes in testing frequency. RESULTS: Ninety-one percent of participants self-tested. All participants who self-tested reported being likely to self-test again, with over 80% preferring HIVST to clinic-based testing. Fingerstick was preferred to oral fluid tests by approximately 2:1. Returning participants distributed 728 tests to sexual partners (18.5% of kits), friends (51.6%), and family (29.8%). Six participants seroconverted during the study, and 40 new diagnoses were reported among test recipients. Frequent (semi-annual) testing increased from 37.8% before the study to 84.5% at follow-up (P < 0.001), and participants reported anticipated frequent testing of 100% if HIVST were available compared with 84% if only clinic-testing were available in the coming year (P < 0.01). CONCLUSIONS: HIVST use and network distribution is acceptable and feasible for MSM in South Africa and can increase testing uptake and frequency, potentially improving early detection among MSM and their networks. PMID- 29210828 TI - Predicting Short-Term Subjective Vision Performance of Contact Lenses Used in Myopia Control. AB - OBJECTIVE: To investigate whether initial assessment of contact lenses prescribed for myopia control (MC) predicts short-term visual performance. METHOD: Retrospective analysis of 43 participants in a double-masked, randomized, cross over trial wearing at least one lens: single-vision (SV) lens (1-DAY ACUVUE MOIST) or MC lenses (MiSight or Proclear Multifocal-Distance +2.00D). Participants completed questionnaires at the fitting visit, a take-home questionnaire (THQ) 3 days after fitting and finally at the assessment visit (>=5 days after fitting). Questions comprised vision clarity and lack of ghosting (distance, intermediate, near at day/night time); vision stability; driving vision; overall vision satisfaction and comfort (1-10 scale, 1-point steps); and willingness to purchase based on vision and MC benefit of lens (yes/no response). Visual acuity was measured at fitting and assessment visits. RESULTS: Vision clarity (intermediate and near) was significantly worse at assessment compared with fitting while wearing MC lenses (P<0.001), as was overall vision satisfaction (P<0.001), comfort (P<0.001), and vision stability (P=0.001) while wearing either SV or MC lenses. Participants willing to purchase at assessment visit was 84% with SV and 36% with MC lenses, increasing to 88% (SV, P=1.00) and 61% (MC, P<0.001) if the lenses slowed myopia progression. Visual acuity was no different with either MC or SV lenses at fitting or assessment (P>=0.251). CONCLUSION: Initial performance at fitting did not predict short-term performance for SV or MC lenses. A significant increase in willingness to purchase if lenses slowed myopia progression was observed while wearing MC lenses. Educating patients on the benefits might increase acceptability of MC lenses. PMID- 29210829 TI - In Vitro Evaluation of Adhesion of Two Acanthamoeba Strains to Cosmetic Contact Lenses. AB - PURPOSE: To evaluate the factors affecting the adhesion of Acanthamoeba trophozoites to the surface of cosmetic contact lenses (CCLs). METHODS: Acanthamoeba castellanii and A. hatchetti trophozoites were inoculated onto CCLs (hema copolymer [HM] [38.5% H2O], phemfilcon [PF] [55% H2O], polymacon [PM] [38% H2O], polyhema [PH] [%42 H2O], and hema [HM55] [55% H2O]), and the number of trophozoites adhered to the lens surfaces was assessed over time, that is, at 15 min, 1, and 24 hr. In addition, scanning electron microscopy (SEM) analysis of the lens surfaces was performed to evaluate the effect of lens surface topology on adhesion. RESULTS: The number of amoeba adhered to the contact lens surface was found lower with PF and PH production materials, than lenses with HM, PM, and HM55 production materials (P<0.05). No significant difference was detected in amoebic strains adhered in all the contact lens types (P>0.05). No significant difference was found on average amoeba adhesion between contact lenses with hema production material but with different water contents (45%, 55%), to see the effect of water content on amoebic adhesion (P>0.05). As a result of SEM analysis, surface topology showed no effect on adhesion. CONCLUSION: (1) Chemical composition of lenses seemed to be mostly responsible for the adhesion of Acanthamoeba. (2) Different numbers of trophozoites, obtained after the adhesion experiment, could also indicate that adherence capacity can also differ among Acanthamoeba species. PMID- 29210830 TI - Brief Report: Tenofovir-Associated Nephrotoxicity Among a US National Historical Cohort of HIV-Infected Veterans: Risk Modification by Concomitant Antiretrovirals. AB - BACKGROUND: Tenofovir disoproxil fumarate (TDF) has been associated with renal complications. The third agent in TDF-containing antiretroviral regimens may modify that risk. We compared renal adverse outcomes among treatment-naive HIV infected patients initiating TDF-containing regimens including efavirenz (EFV) or other agents. SETTING: This population-based historical cohort study used national Veterans Health Administration (VHA) clinical and administrative data sets to identify treatment-naive HIV-infected veterans initiating antiretroviral therapy with TDF/emtricitabine (FTC) + EFV, rilpivirine (RPV), elvitegravir/cobicistat (EVG/c), or ritonavir (RTV)-boosted protease inhibitors (PIs) from 2003 to 2015. METHODS: Unadjusted incidence rates (IRs) for each regimen and covariate-adjusted hazard ratios [ using Cox proportional hazards models and inverse probability of treatment weighting] for between-regimen comparisons were calculated for renal outcomes including confirmed proteinuria, defined as 2 consecutive protein-to-creatinine ratios >150 mg/g or albumin-to creatinine ratios >30 mg/g occurring >=90 days apart; chronic kidney disease (CKD), defined as 2 consecutive estimated glomerular filtration rate measurements <60 mL.min.1.73 m occurring >=90 days apart; and kidney dialysis. RESULTS: Of 33,048 HIV-positive veterans, 4172 received EFV + TDF/FTC, 234 EVG/c/TDF/FTC, 173 RPV/TDF/FTC, and 2651 RTV-boosted PIs + TDF/FTC. Confirmed proteinuria and CKD IRs were numerically lower with EFV + TDF/FTC versus non-EFV + TDF/FTC (dialysis IRs were rare and comparable). After inverse probability of treatment weighting adjustment, EFV + TDF/FTC was associated with lower CKD risk versus non-EFV + TDF/FTC (hazard ratio, 0.62; 95% confidence interval, 0.53 to 0.72), EVG/c/TDF/FTC (0.75; 0.59 to 0.95), RPV/TDF/FTC (0.20; 0.17 to 0.24), and RTV boosted PIs + TDF/FTC (0.62; 0.53 to 0.72). CONCLUSIONS: EFV + TDF/FTC was associated with significantly lower risk of CKD versus other TDF-containing regimens in the Veterans Health Administration. PMID- 29210832 TI - Quality of Caregiving is Positively Associated With Neurodevelopment During the First Year of Life Among HIV-Exposed Uninfected Children in Uganda. AB - OBJECTIVE: We sought to evaluate whether maternal characteristics and infant developmental milieu were predictive of early cognitive development in HIV exposed uninfected (HEU) and HIV-unexposed uninfected (HU) infants in Uganda. DESIGN: Longitudinal pregnancy study. METHODS: Ugandan women (n = 228) were enrolled into the Postnatal Nutrition and Psychosocial Health Outcomes study with a 2:1 HIV-uninfected: infected ratio. Maternal sociodemographic, perceived social support, and depressive symptomatology were assessed. Infant growth and neurocognitive development were assessed at 6 and 12 months of age using Mullen Scales of Early Learning (MSEL). Caldwell Home Observation for Home Environment was used to gauge caregiving quality. Linear mixed-effects models were built to examine the relationships between maternal and infant characteristics with infant MSEL scores by HIV exposure. RESULTS: Two MSEL measures were available for 215 mother-child dyads: 140 infants (65%) were HIV-uninfected (HU), 57 (27%) were HIV exposed uninfected (HEU) with mothers reporting antiretroviral therapy, and 18 (8%) were HEU with mothers not reporting antiretroviral therapy. HEU had lower MSEL Composite (beta = -3.94, P = 0.03) and Gross Motor scores (beta = -3.41, P = 0.01) than HU. Home Observation for Home Environment total score was positively associated with MSEL Composite (beta = 0.81, P = 0.01), Receptive Language (beta = 0.59, P = 0.001), and Expressive Language (beta = 0.64, P = 0.01) scores. CONCLUSIONS: HIV exposure is associated with lower infant cognitive development scores. Increasing maternal quality of caregiving may improve early cognitive development. PMID- 29210833 TI - Influence of Injection Drug Use-Related HIV Acquisition on CD4 Response to First Antiretroviral Therapy Regimen Among Virally Suppressed Individuals. AB - BACKGROUND: The inflammatory effects of injection drug use (IDU) may result in an impaired immune response to antiretroviral therapy (ART). We examined CD4 response to first ART regimen among individuals in routine HIV care, stratified by IDU-related HIV acquisition. SETTING: Cohort study including patients who initiated ART between 2000 and 2015 in the Johns Hopkins HIV Clinic. METHODS: We followed individuals from ART initiation until death, loss to follow-up, loss of viral load suppression (<500 copies/mL), or administrative censoring. We described CD4 trajectories after ART initiation using inverse probability weighted quantile regression models with restricted cubic splines for time. Weights accounted for differences in baseline characteristics of persons comparing those with IDU-related HIV acquisition to those with other HIV acquisition risks (non-IDU) and possible nondifferential censoring due to death, loss to follow-up, or loss of viral load suppression. We also examined CD4 response by strata of CD4 at ART initiation (<=200, 201-350, >350). RESULTS: Of 1244 patients initiating ART, 30.4% were IDU. Absolute CD4 cell difference at the 50th percentile comparing IDU with non-IDU was -25 cells [95% confidence interval (CI): -63 to 35], -66 cells (95% CI: -141 to 16), and -91 cells (95% CI: -190 to 5) at 2, 4, and 6 years after ART initiation, respectively. Results were similar (non-IDU with slightly higher CD4 count, but not statistically significant differences) at other percentiles and stratified by baseline CD4. CONCLUSIONS: CD4 recovery after ART initiation was similar for IDU and non-IDU, conditional on consistent viral load suppression. PMID- 29210834 TI - Pre-Exposure Prophylaxis (PrEP) Use and Condomless Anal Sex: Evidence of Risk Compensation in a Cohort of Young Men Who Have Sex with Men. AB - BACKGROUND: Young men who have sex with men (YMSM) are disproportionately impacted by HIV. Pre-exposure prophylaxis (PrEP) is highly effective at preventing HIV acquisition. It remains unclear if PrEP use increases rates of condomless sex (ie, risk compensation), which may increase risk of infection if PrEP adherence is not optimal. This study aimed to examine whether PrEP use and PrEP adherence were associated with change in sexual risk behaviors in a large longitudinal cohort of YMSM reporting on multiple sexual partnerships over time. METHOD: Data were obtained from the first 3 visits of an ongoing cohort study of YMSM in Chicago (analytic N = 953; 14.1% HIV-positive at baseline). Participants reported up to 4 sexual partnerships at each visit, including sexual behavior, PrEP use, and PrEP adherence within partnerships. RESULTS: YMSM reported higher rates of receptive condomless anal sex (CAS) in partnerships during which they were on PrEP compared with those when they were not on PrEP. This association was consistent across both HIV-negative and HIV-positive participants reporting on partnerships with both perceived HIV-negative/unknown and HIV-positive partners. The rate of receptive CAS was higher in PrEP nonadherent partnerships compared with non-PrEP partnerships. The rate of receptive CAS was also higher in PrEP nonadherent than adherent partnerships, but this was not statistically significant. CONCLUSIONS: These analyses provide compelling data suggesting that YMSM are engaging in risk compensation when on PrEP. If rates of receptive CAS are highest among YMSM who are PrEP nonadherent, PrEP as a prevention strategy could fail to curb HIV incidence among YMSM. PMID- 29210835 TI - Medication Adherence in a Nationwide Cohort of Veterans Initiating Pre-exposure Prophylaxis (PrEP) to Prevent HIV Infection. AB - BACKGROUND: Current guidelines for pre-exposure prophylaxis (PrEP) to prevent HIV infection call for long-term, daily use of tenofovir disoproxil fumarate/emtricitabine (TDF/FTC). Little is known about long-term adherence with TDF/FTC prescribed for PrEP in routine clinical practice. SETTING: Veterans Health Administration (VHA) clinics. METHODS: We used VHA data to create a nationwide cohort of Veterans initiating PrEP between July 1, 2012, and June 30, 2016. We examined pharmacy refill data to estimate adherence based on the proportion of days covered (PDC) by TDF/FTC in the first year and used logistic regression to identify patient characteristics associated with high adherence (ie, PDC >0.8). We also quantified how often Veterans discontinued PrEP in the first year, based on a gap of 120 days or more in medication possession. RESULTS: Among 1086 individuals initiating PrEP, the median PDC for TDF/FTC in the first year was 0.74 (interquartile range 0.40-0.92). In multivariable analysis, high adherence was associated with older age (odds ratio 1.97; 1.41-2.74 for age 50-64 compared with <35), white compared with black race (odds ratio 2.12; 1.53-2.93), and male sex (odds ratio 3.39; 1.37-8.42). Forty-four percent discontinued PrEP in the first year. CONCLUSIONS: First-year adherence with TDF/FTC was overall high in a nationwide cohort of PrEP users. Differences in adherence by age, race, and sex suggest potential for disparities in PrEP effectiveness in routine clinical practice. PMID- 29210840 TI - Conoscere e Curare il Cuore 1986-2016: how the heart has changed. PMID- 29210839 TI - Cataract surgery in ocular surface diseases: clinical challenges and outcomes. AB - PURPOSE OF REVIEW: Cataracts are a significant cause of blindness and visual impairment worldwide. With the recent advances in cataract surgery techniques, outcomes have improved significantly in uncomplicated cases. This article discusses the challenges and outcomes of cataract surgery in complex cases targeting eyes with ocular surface diseases like Stevens-Johnson syndrome, ocular cicatricial pemphigoid, Mooren's ulcer, vernal keratoconjunctivitis and limbal stem cell deficiency. RECENT FINDINGS: Ocular surface diseases are commonly associated with corneal scarring and vascularization, conjunctival inflammation, symblepharon and forniceal shortening. Any surgical intervention in a hostile ocular surface environment may worsen the disease, which may result in visual deterioration. In recent past, with the use of immunosuppressants and with the introduction of different ocular surface reconstruction surgeries; stabilization of ocular surface can be achieved prior to planning cataract surgery. This kind of step-wise approach can considerably improve visual outcomes in such cases. SUMMARY: Cataract surgery in ocular surface diseases needs careful preoperative, intraoperative and postoperative planning. Performed in a staged manner under favorable ocular environment, it has good visual outcomes and can improve the quality of life in such patients. PMID- 29210836 TI - Abdominal Fat Depots and Subclinical Carotid Artery Atherosclerosis in Women With and Without HIV Infection. AB - BACKGROUND: Data on associations between abdominal fat depot mass and subclinical atherosclerosis are limited, especially in women with HIV. METHODS: We assessed cross-sectional associations of dual X-ray absorptiometry scan-derived estimates of visceral adipose tissue (VAT) and abdominal subcutaneous adipose tissue (SAT) with 3 measures of subclinical carotid artery atherosclerosis-carotid artery stiffness (Young's modulus of elasticity), presence of carotid artery lesions, and carotid artery intima-media thickness-in a subsample of participants in the Women's Interagency HIV Study. Statistical models adjusted for demographic variables, HIV serostatus, behavioral variables, and cardiovascular risk factors. RESULTS: There were 244 women with and 99 without HIV infection (median age 42, 62% black). VAT mass (but not SAT) was associated with greater carotid artery stiffness in a fully adjusted linear regression model, including adjustment for SAT (beta = 11.3 log 10.N.m per kg VAT, 95% confidence interval: 1.0 to 21.7). Greater SAT mass was associated with lower odds of having a carotid artery lesion in a fully adjusted model, including adjustment for VAT [adjusted odds ratio, 0.49 per kg of SAT (0.25 to 0.94)]. Neither VAT nor SAT was associated with carotid artery intima-media thickness. The VAT/SAT ratio was not statistically associated with any of the outcomes after covariate adjustment. CONCLUSIONS: In our cross-sectional study of women, the majority of whom had HIV, greater VAT mass was associated with increased carotid artery stiffness, whereas greater SAT mass was associated with a reduced odds of prevalent carotid artery lesions. PMID- 29210841 TI - Comparison of Heart Rate Variability Parameters to the Autonomic Reflex Screen in Postural Orthostatic Tachycardia Syndrome and Neurogenic Orthostatic Hypotension. AB - PURPOSE: The clinical significance of heart rate variability (HRV) in the context of autonomic dysfunction continues to be a matter of debate. Therefore, the purpose of the current study was to investigate the clinical relevance of HRV in the context of autonomic dysfunction. METHODS: Heart rate variability data from 225 volunteers consisting of controls (n = 166) and patients with mild (n = 25) and severe (n = 34) autonomic dysfunction were retrospectively analyzed. Time and frequency parameters were correlated against baseline and standardized tests of autonomic function. RESULTS: During baseline, resting HR was negatively correlated with time (SD of all normal RR interval, r = -0.511; RMSSD, r = 0.585; pNN50, r = -0.545) and frequency (low-frequency, r = -0.362; high frequency, r = -0.421) parameters (P < 0.01). Resting systolic blood pressure demonstrated similar significant correlations (P < 0.01). During head-up tilt, SD of all normal RR intervals was positively correlated with [INCREMENT]HR and change in systolic blood pressure (r = 0.340; r = 0.538, respectively; P < 0.01). Similarly, low-frequency, high-frequency, and low-frequency/high-frequency ratios were correlated with [INCREMENT]HR (r = 0.422, r = 0.176, r = 0.470) and change in systolic blood pressure (r = 0.451, r = 0.407, and r = 0.185) (P < 0.01). Time parameters (SD of all normal RR intervals, RMSSD, and pNN50) were all significantly correlated with deep breathing (r = 0.600; r = 0.556; r = 0.516; P < 0.01, respectively). Low-frequency and high-frequency power were also correlated (r = 0.596; r = 0.580, respectively) (P < 0.01). CONCLUSIONS: Time and frequency parameters showed significant negative correlations with baseline hemodynamics. During a test of sympathetic activation and parasympathetic withdrawal, this relationship shifted to reveal significant positive correlations between HRV parameters and hemodynamics. Last, during a test of parasympathetic activation, there were significant positive correlations with cardiovagally mediated HRV parameters. Overall, these results suggest broader clinical relevance for HRV parameters within the spectrum of autonomic functioning. PMID- 29210842 TI - Electrodiagnostic Evidence of Berrettini Anastomosis. AB - PURPOSE: Cadaveric palmar dissections reveal an ulnar sensory crossover (Berrettini anastomosis) to the third common palmar nerve so frequently that this crossover is considered a normal part of the anatomy. No literature has documented electrophysiologic evidence of the Berrettini anastomosis (BA). Presentation of third digit ulnar sensory crossover waveforms. METHODS: Retrospective chart review case series. Clinical office. Nerve conduction waveforms and data. RESULTS: Ulnar stimulation sensory crossover waveforms to digit three consistent with BA are presented. CONCLUSIONS: Third digit BA is measurable in routine electrodiagnostic nerve conduction study in some patients. The observed BA latency is the same and the amplitude is smaller (25% to 33%) than the ulnar sensory response. The clinical significance of the BA sensory response is unclear. The presence of a BA in severe carpal tunnel syndrome may give a small amplitude normal latency sensory response that could be misinterpreted and lead to a false negative result. PMID- 29210843 TI - Intraoperative hypotension is associated with acute kidney injury in noncardiac surgery: An observational study. AB - BACKGROUND: Perioperative acute kidney injury (AKI) is common and increases the risk of morbidity and mortality. OBJECTIVES: To determine the association between intraoperative hypotension, defined as an individual decrease from baseline and the risk of perioperative AKI. DESIGN: Observational cohort study. SETTING: Karolinska University Hospital, Stockholm, Sweden, from October 2012 to May 2013 and October 2015 and April 2016. PATIENTS: All adult patients undergoing major elective noncardiac surgery who were scheduled for an overnight admission in the postoperative unit were included. Patients undergoing phaeochromocytoma surgery were excluded. DATA COLLECTION: Preoperative risk factors (comorbidities), intraoperative events (hypotension defined as a more than 40 or 50% decrease in SBP relative to each patient's baseline and lasting more than 5 min) and postoperative data were collected from medical records. MAIN OUTCOME MEASURES: AKI within the first two postoperative days. RESULTS: Of the final cohort of 470 patients, 127 (27%) developed AKI in the perioperative period. AKI was associated with male sex [(66 vs. 48%) P < 0.001], a higher preoperative creatinine (81 vs. 73 MUmol l, P = 0.003), American Society of Anaesthesiologists class more than two (54 vs. 42%, P = 0.014) and preoperative hypertension (54 vs. 40%, P = 0.005). During surgery, the AKI subgroup had more hypotensive events (>40%, 70 vs. 57%, P = 0.013; >50%, 20 vs. 12%, P = 0.024) and greater blood loss (800 vs. 400 ml, P < 0.001). Postoperatively, in AKI patients a positive fluid balance was more common (3123 vs. 2700 ml, P < 0.001), as was 30-day mortality (4 vs. 1%, P < 0.005). Multivariate analyses demonstrated that an intraoperative reduction of SBP more than 50% was associated with a more than doubled risk of AKI, adjusted odds ratio 2.27; 95% CI, 1.20 to 4.30, P = 0.013. CONCLUSION: In patients undergoing noncardiac surgery, there was a high incidence of perioperative AKI. Intraoperative avoidance of hypotension may decrease the risk of AKI. PMID- 29210844 TI - Ultrasound examination of the antrum to predict gastric content volume in the third trimester of pregnancy as assessed by MRI: A prospective cohort study. AB - BACKGROUND: Ultrasound examination of the gastric antrum allows reliable pre operative assessment of gastric contents and volume in adult patients. However, during pregnancy, the change in the anatomical position of the stomach due to the gravid uterus leads to a change in the measured value of the antral area. Therefore, current mathematical models predicting gastric content volume (GCV) in the adult may not apply in term pregnant women. OBJECTIVE: To propose a mathematical model which is predictive of GCV in pregnant women and to assess the performance of an ultrasound qualitative grading scale (0 to 2) for the diagnosis of clear fluid volumes more than 0.8 and 1.5 ml kg. DESIGN: Prospective cohort study. SETTING: Hospices Civils de Lyon, Hopital Femme Mere Enfant, Lyon and Assistance Publique - Hopitaux de Marseille, Hopital Nord, Marseille, France. PATIENTS: Pregnant women in the third trimester of pregnancy. MAIN OUTCOME MEASURES: Comparison of the GCV as measured by MRI and the ultrasound measured antral cross-sectional area, and an assessment of gastric contents according to a 0 to 2 qualitative grading scale. RESULTS: Data from 34 women were analysed. A linear model predictive of GCV was constructed with a 95% agreement band of +/-95 ml, with a mean polar angle of -8.7 degrees . Performance of the qualitative grading scale to detect fluid volumes >0.8 and >1.5 ml kg was improved when used in a composite scale including a 505 mm antral area cut-off value in the semirecumbent supine position. CONCLUSION: We report a new mathematical model predictive of GCV in women in the third trimester of pregnancy. Furthermore, the combination of the qualitative and the quantitative ultrasound examination of the gastric antrum might be useful to assess gastric fluid volume in pregnant women. TRIAL REGISTRATION: ANSM Register N degrees 2015-A00800-49. PMID- 29210845 TI - Does a hypnosis session reduce the required propofol dose during closed-loop anaesthesia induction?: A randomised controlled trial. AB - BACKGROUND: Hypnosis has a positive effect on peri-operative anxiety and pain. OBJECTIVE: The objective of this study was to assess the impact of a formal deep hypnosis session on the consumption of propofol for anaesthetic induction using automated administration of propofol guided by the bispectral index (BIS) in a closed loop. DESIGN: A 1 : 1 randomised, usual-care-controlled, single-centre trial. SETTING: Tertiary care centre in France from April 2014 to December 2015. PATIENTS: Female adult patients scheduled for outpatient gynaecological surgery under general anaesthesia. INTERVENTION: Before surgery, patients were randomised to receive either a deep hypnosis session or routine care. Anaesthetic induction was performed automatically by propofol without opioids and was assisted by the BIS in a closed loop. MAIN OUTCOME MEASURES: The primary endpoint was the propofol dose required for anaesthesia induction, defined as a BIS less than 60 for at least 30 s. RESULTS: Data for 31 patients in the hypnosis group and 35 in the control group were analysed. There was no evidence of a difference in the mean required propofol dose for anaesthetic induction between the hypnosis and the control groups (2.06 mg kg (95% confidence interval [1.68 to 2.43]) versus 1.79 mg kg (95% CI [1.54 to 2.03]), P = 0.25, respectively). CONCLUSION: The current study, which was designed to determine the effect of a deep hypnosis session on anaesthesia induction using an automated tool for propofol administration, failed to detect a difference in the required dose of propofol. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02249364. PMID- 29210847 TI - Navigating the patient-generated health data deluge. PMID- 29210848 TI - Stethoscopes: Friend or fomite? PMID- 29210849 TI - Inspiring followership. PMID- 29210850 TI - Graduate education options for your baccalaureate-prepared nurses. PMID- 29210851 TI - Cultivating a high-performing team. AB - Discover how one group successfully sustained HCAHPS scores in the 99th percentile over 18 quarters. PMID- 29210852 TI - Workplace culture and patient outcomes: What's the connection? PMID- 29210853 TI - Double vision: When a dying patient's family member is also a nurse. PMID- 29210854 TI - Nurse executive professional development. PMID- 29210855 TI - The motivation to stay motivated. PMID- 29210856 TI - Outcome standardization to blood pressure reduction in meta-analyses: sailing in uncharted waters. PMID- 29210857 TI - The perils of determining cardiovascular risk in relation to home blood pressure. PMID- 29210858 TI - What is the most appropriate target SBP in persons with hypertension and diabetes mellitus? PMID- 29210859 TI - Catheter-based renal denervation in hypertension: heading for new shores. PMID- 29210860 TI - Aortic dilatation in Marfan syndrome: role of arterial stiffness and fibrillin-1 variants. AB - OBJECTIVE: Marfan syndrome (MFS) is an autosomal dominant genetic disorder characterized by aortic root dilation and dissection and an abnormal fibrillin-1 synthesis. In this observational study, we evaluated aortic stiffness in MFS and its association with ascending aorta diameters and fibrillin-1 genotype. METHODS: A total of 116 Marfan adult patients without history of cardiovascular surgery, and 144 age, sex, blood pressure and heart rate matched controls were enrolled. All patients underwent arterial stiffness evaluation through carotid-femoral pulse wave velocity (PWV) and central blood pressure waveform analysis (PulsePen tonometer). Fibrillin-1 mutations were classified based on the effect on the protein, into 'dominant negative' and 'haploinsufficient' mutations. RESULTS: PWV and central pulse pressure were significantly higher in MFS patients than in controls [respectively 7.31 (6.81-7.44) vs. 6.69 (6.52-6.86) m/s, P = 0.0008; 41.3 (39.1-43.5) vs. 34.0 (32.7-35.3) mmHg, P < 0.0001], with a higher age related increase of PWV in MFS (beta 0.062 vs. 0.036). Pressure amplification was significantly reduced in MFS [18.2 (15.9-20.5) vs. 33.4 (31.6-35.2)%, P < 0.0001]. Central pressure profile was altered even in MFS patients without aortic dilatation. Multiple linear regression models showed that PWV independently predicted aortic diameters at the sinuses of Valsalva (beta = 0.243, P = 0.002) and at the sinotubular junction (beta = 0.186, P = 0.048). PWV was higher in 'dominant negative' than 'haploinsufficient' fibrillin-1 mutations [7.37 (7.04 7.70) vs. 6.60 (5.97-7.23) m/s, P = 0.035], although this difference was not significant after adjustment. CONCLUSION: Aortic stiffness is increased in MFS, independently from fibrillin-1 genotype and is associated with diameters of ascending aorta. Alterations in central hemodynamics are present even when aortic diameter is within normal limits. Our findings suggest an accelerated arterial aging in MFS. PMID- 29210861 TI - Risk of stroke and coronary heart disease among various levels of blood pressure in diabetic and nondiabetic Chinese patients. AB - OBJECTIVE: To compare the risk of stroke and coronary heart disease (CHD) among various blood pressure (BP) levels in diabetic and people without diabetes Chinese patients. METHODS: This cross-sectional study was part of Prospective Urban Rural Epidemiology China study. Patients aged 35 to70 years were recruited from 12 provinces of China between 2005 and 2009. The participants were classified into three groups: hypertension (HTN), high normal BP, and normal BP, and also into SBP and DBP quintiles. RESULTS: A total of 42 959 patients were analyzed with 38 975 (90.7% of total population) people without diabetes and 3984 (9.3% of total population) diabetic patients. Among diabetic patients, the HTN group was associated with an increased risk of stroke (odds ratio, 3.03; 95% confidence interval, 1.47-6.25) and CHD (odds ratio, 2.21; 95% confidence interval, 1.45-3.38), when compared with normal BP group. Similar results were drawn in nondiabetic patients. However, no significant difference in risk of stroke or CHD was found between high normal BP and normal BP groups in either diabetic or nondiabetic patients. Risk of CHD and stroke increased significantly when SBP was above 125 mmHg or DBP above 72 mmHg in people without diabetes, whereas this trend was attenuated in diabetic patients. CONCLUSION: HTN was associated with a two-fold increased risk of CHD and a three-fold increased risk of stroke compared with normotension irrespective of diabetes status. For diabetic patients with HTN, a more comprehensive method is essential for assessing cardiovascular risk. PMID- 29210862 TI - Renal sympathetic denervation in Sweden: a report from the Swedish registry for renal denervation. AB - BACKGROUND: Renal denervation (RDN) is a catheter-based intervention to treat patients with resistant hypertension. The biological effects of RDN are not fully understood, and randomized controlled trials have generated conflicting evidence. This report presents data from the Swedish Registry for Renal Denervation, an investigator-driven nationwide registry. PURPOSE: To assess the safety and efficacy of RDN on patients with resistant hypertension in a real-world clinical setting. METHODS: This nationwide database contains patient characteristics, procedural details, and follow-up data on all RDN procedures performed in Sweden. Consecutive procedures between 2011 and 2015 were included. RESULTS: The data analysis consists of 252 patients (mean age 61 +/- 10 years, 38% women; mean 4.5 +/- 1.5 antihypertensive drugs). Office SBP and DBP and 24-h ambulatory blood pressure (BP) decreased 6 months after RDN (176 +/- 23/97 +/- 17 to 161 +/- 26/91 +/- 16 mmHg, both P < 0.001; and 155 +/- 17/89 +/- 14 to 147 +/- 18/82 +/- 12 mmHg, both P < 0.001). Significant office and ambulatory BP reductions persisted throughout the observation period of 36 months. Major procedure-related vascular complications occurred in four patients. Renal function and number of antihypertensive drugs were unchanged during follow-up. CONCLUSION: In this complete national cohort, RDN was associated with a sustained reduction in office and ambulatory BP in patients with resistant hypertension. The procedure proved to be feasible and associated with a low-complication rate, including long-term adverse events. PMID- 29210863 TI - Prevalence, awareness, treatment, and control of hypertension among rural and urban dwellers of the Far North Region of Cameroon. AB - OBJECTIVE: To assess the prevalence and determinants of high blood pressure (BP) and awareness, treatment, and control rates in the Far North Region of Cameroon, where these variables have not been explored so far. METHODS: In total, 889 individuals (41.5% women) aged at least 18 years participated in a cross sectional survey conducted in Maroua (urban area) and Tokombere (rural area) from November 2014 to May 2015, using a multistage cluster sampling frame. Anthropometric variables, BP, and fasting capillary glucose were assessed in all participants. Hypertension was defined as BP at least 140/90 mmHg or antihypertensive therapy and BP control as BP less than 140/90 mmHg. Prevalence estimates were age standardized to the Cameroon population. RESULTS: The prevalence of hypertension was 37.8% (rural: 34%; urban: 41.2%; men: 38.8%; women: 37.9%). Hypertension was associated with urban environment (odds ratio: 1.42; 95%; confidence interval 1.06-1.89), age at least 70 years (4.06; 2.02 6.14), male sex (4.06; 2.02-6.14), abdominal obesity (2.36; 1.54-3.61), and high blood sugar (2.01; 1.31-3.08). Among individuals with hypertension, 18.6% (rural: 17.9%; urban: 19.5%) were aware of having high BP. Among those aware, 29.3% (rural: 17.3%; urban: 36.3%) reported receiving treatment, of whom 16.3% (rural: 22.6%; urban: 4.2%) had BP controlled. Awareness, treatment, and BP control levels were higher in women than men. CONCLUSION: Hypertension is highly prevalent in Far North Cameroon and awareness, treatment, and control rates are low. Efforts to improve detection, treatment, and control of hypertension in Cameroon are needed. PMID- 29210864 TI - Geographical variations in hypertension prevalence, awareness, treatment and control in China: findings from a nationwide and provincially representative survey. AB - OBJECTIVES: Hypertension has been the most important risk factor for disease burden in China. We aimed to conduct the first national spatial analysis of hypertension status, awareness, treatment and control in China. METHODS: Choropleth maps were used to examine the spatial patterning of hypertension, awareness, treatment and control in a nationally and provincially representative sample of 174 389 adults from the 2013 to 2014 China Chronic Disease and Risk Factors Surveillance. Multilevel regressions were used to analyze each outcome across provinces, counties, towns and villages/residential committees and to test the proportion of area-level variances explained by known risk factors. RESULTS: Hypertension prevalence was highest in the north (e.g. Liaoning = 37.7%) and lowest in the south (e.g. Hainan = 17.9%). Among participants found to have hypertension, awareness was generally low, especially in the south (e.g. Guizhou = 18.0%). Receipt of treatment among those who were aware of their hypertension status was above 70% in all provinces except for Tibet (37.7%) and Guizhou (54.5%). Control of hypertension among those receiving treatment (SBP < 140 and DBP < 90 mmHg) was generally low, especially in northeastern and southwestern provinces. Adjustment for demographic, socioeconomic and behavioral factors, weight status, healthcare use and urbanization of residence accounted for 57.7% of variation between provinces in hypertension status, 48.5% in awareness, 47.6% in treatment and 18.0% in control. CONCLUSION: Hypertension is spatially patterned in China and there is an unmet need at each step from diagnosis to receiving treatment and achieving controlled hypertension. Geographically targeted strategies are required to enhance hypertension prevention and management in China. PMID- 29210865 TI - Severe Serotonin Syndrome in an Autistic New Psychoactive Substance User After Consumption of Pills Containing Methoxphenidine and alpha-Methyltryptamine. PMID- 29210866 TI - Abrupt Improvement in Obsessive-Compulsive Symptoms Upon Discontinuation of Clozapine. PMID- 29210867 TI - Antipsychotic Polypharmacy and Its Relation to Metabolic Syndrome in Patients With Schizophrenia: An Egyptian Study. AB - PURPOSE/BACKGROUND: Few studies have examined the relationship between antipsychotic polypharmacy and metabolic syndrome in schizophrenia. Some studies suggest that antipsychotic polypharmacy may be associated with greater metabolic risk, whereas other studies suggest that this is uncertain. To date, there have been no studies in Egypt or the Arab world that have investigated this relationship. We sought to compare subjects with schizophrenia receiving antipsychotic polypharmacy and monotherapy as regards metabolic outcomes and to investigate medication-related factors associated with metabolic syndrome. METHODS/PROCEDURES: We recruited 118 subjects with schizophrenia and compared between those receiving antipsychotic polypharmacy (86 subjects) and monotherapy (32 subjects) as regards demographic, clinical, metabolic, and antipsychotic medication characteristics. We examined the effect of antipsychotic-related factors an outcome of metabolic syndrome. FINDINGS/RESULTS: The prevalence of metabolic syndrome in our sample was 38.1%. Except for gender, there was no statistically significant difference as regards demographic and clinical characteristics, rates of metabolic syndrome, or for individual metabolic parameters. We found a statistically significant difference (P < 0.05) between the 2 groups as regards the number, dose, and duration of intake and for the number of subjects receiving typical antipsychotics (oral and depot) and a number of individual antipsychotic medications. Using logistic regression, receiving haloperidol depot was the only antipsychotic-related factor predictive for metabolic syndrome. IMPLICATIONS/CONCLUSIONS: The prevalence of metabolic syndrome does not differ in schizophrenia whether patients are receiving polypharmacy and monotherapy nor do they differ for individual metabolic parameters. Most antipsychotic-related characteristics did not predict for metabolic syndrome. PMID- 29210868 TI - Is There a Potential of Misuse for Quetiapine?: Literature Review and Analysis of the European Medicines Agency/European Medicines Agency Adverse Drug Reactions' Database. AB - PURPOSE/BACKGROUND: A recent years' increase in both prescribing and availability of second-generation antipsychotics (SGAs) has been observed. According to the literature, typically made up by case studies/series, quetiapine seems to be the most commonly misused SGA, with both intranasal and intravenous intake modalities having been described. Another SGA that has been anecdotally reported to be misused is olanzapine. For these molecules, both a previous history of drug misuse and being an inmate have been described as factors associated with misuse. Hence, while providing here an updated literature review of the topic, we aimed at assessing all cases of quetiapine misuse/abuse/dependence/withdrawal as reported to the European Medicines Agency's EudraVigilance (EV) database; this was carried out in comparison with the reference drug olanzapine. METHODS: All spontaneous, European Medicines Agency database reports relating to both quetiapine (2005-2016) and olanzapine (2004-2016) misuse/abuse/dependence/withdrawal issues were retrieved, and a descriptive analysis was performed. RESULTS: From the EV database, 18,112 (8.64% of 209,571) and 4178 (7.58% of 55,100) adverse drug reaction reports of misuse/abuse/dependence/withdrawal were associated with quetiapine and olanzapine, respectively. The resulting proportional reporting ratio values suggested that the misuse/abuse-, dependence-, and withdrawal-related adverse drug reactions were more frequently reported for quetiapine (1.07, 1.01, and 5.25, respectively) in comparison with olanzapine. CONCLUSIONS: Despite data collection limitations, present EV data may suggest that, at least in comparison with olanzapine, quetiapine misuse may be a cause for concern. PMID- 29210869 TI - Treatment of Behavioral Disinhibition in Huntington's Disease With Valproic Acid. PMID- 29210870 TI - Learning Needs of Hospitalized Patients With Heart Failure in Singapore: A Descriptive Correlational Study. AB - BACKGROUND: Understanding the learning needs of patients with heart failure (HF) is important in reducing the incidence of HF-related hospital readmissions. Sociocultural differences are known to influence patient learning needs. However, most HF learning needs studies have been conducted on Western populations. PURPOSE: The aim of this study was to investigate the learning needs of hospitalized patients with HF in Singapore. METHODS: A cross-sectional, descriptive correlational design was adopted using a questionnaire survey that included the Heart Failure Learning Needs Inventory and sociodemographic and clinical datasheets. A convenience sample of 97 patients with HF was recruited from an acute hospital in Singapore. RESULTS: Findings revealed that education topics relating to signs and symptoms, risk factors, general HF information, and medications were perceived by participants as the most important. Contrastingly, education topics relating to diet, activity, and psychological factors were poorly valued. The only significant demographic factor that was correlated to the patients' learning needs was monthly household income, which correlated to education on HF risk factors and general HF information. CONCLUSIONS: This study supports the necessity of carefully prioritizing patient education topics in line with patient learning needs. Furthermore, education should be culturally sensitive and take into account the unique values, needs, and situations of patients. PMID- 29210871 TI - Self-limiting Conditions: A Holistic Approach. PMID- 29210872 TI - New Nursing Faculty and Incivility: Applying Mindfulness-Based Strategies. AB - Workplace incivility remains a problem within the nursing profession. As nurse leaders, we must recognize and not ignore the complexity of cultures that have adapted incivility into the work environment. Nursing education is a discipline that requires collaborative team work, independent drive, and commitment. New nursing faculty experiencing incivility can use mindfulness-based meditation approaches to cope with uncivil behaviors experienced within the workplace. Nurse educators applying the concepts of mindfulness can learn how to provide themselves self-care by reducing stress, as enhanced daily awareness of peace and calm are incorporated into their lifestyle. Mindfulness provides a realization that control can only be given to other persons when an individual allows or accepts another's negative behaviors. Awareness of the value and importance of oneself can assist the nurse educator experiencing incivility to maintain his or her emotional, physical, and spiritual health despite the volatility of the work environment. PMID- 29210873 TI - The Effect of Aromatherapy on Sleep Quality of Elderly People Residing in a Nursing Home. AB - BACKGROUND: Sleep is important for health and quality of life in the elderly, and sleep disturbances are reported to be associated with many of the adverse medical conditions. PURPOSE: This research was carried out to evaluate the effect of inhalation of lavender oil on sleep quality of nursing home residents. METHODS: A questionnaire was used to evaluate sociodemographic characteristics and sleeping properties of the 30 volunteers, enrolled. Pittsburgh Sleep Quality Index was applied as a pre- and posttest to measure sleep quality of individuals who inhaled lavender oil drops on the pillows every evening for a week before sleeping. RESULTS: Before and after aromatherapy, the mean Pittsburgh Sleep Quality Index score of the nursing home residents was (Equation is included in full-text article.)= 6.0 +/- 5.1 and (Equation is included in full-text article.)= 2.6 +/- 3.4, respectively, whereas statistically significant difference was not observed for independent variables. Cronbach alpha reliability coefficient of the Pittsburgh Sleep Quality Index scale was found to be 0.816. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: The results indicated an improvement of sleep quality of nursing home residents after the application of aromatherapy with lavender oil. PMID- 29210874 TI - Ischemic Stroke Patients' Decision-Making Process in Their Use of Western Medicine and Alternative and Complementary Medicine. AB - Stroke is ranked third among the top 10 causes of death in Taiwan. Besides a high mortality rate, stroke survivors are often left with physical or functional sequela. This study aimed to explore ischemic stroke patients' decision-making process using Western medicine (WM) and complementary and alternative medicine (CAM). This study is a qualitative study based on grounded theory. A total of 12 participants were recruited. Findings revealed that the participants accepted WM and CAM treatments following the onset of ischemic stroke. Three categories and several subcategories emerged from stroke patients' decision-making process. These are "uncertainty of stroke," "delicate balance between WM and CAM," and "reestablishing confidence and faith." Eventually, they exhibited the core category of "breakthrough and the pursuit of a sense of rebirth." This study also found that the participants were unwilling to inform their health care professionals on their use of CAM. Therefore, health care professionals should empathize with the views and needs of their patients and respect their decision to combine WM with CAM. The views of other medical teams concerning CAM into their analysis of patients' decision-making process are recommended. Therefore, comprehensive insight into ischemic stroke patients' decision-making process for using CAM can be further explored. PMID- 29210875 TI - Comparison of the Effects of Benson Muscle Relaxation and Nature Sounds on the Fatigue in Patients With Heart Failure: A Randomized Controlled Clinical Trial. AB - This study was conducted with the aim of comparing the effects of Benson muscle relaxation and nature sounds on fatigue in patients with heart failure. Fatigue and exercise intolerance as prevalent symptoms experienced by patients with heart failure can cause the loss of independence in the activities of daily living. It can also damage self-care and increase dependence to others, which subsequently can reduce the quality of life. This randomized controlled clinical trial was conducted in an urban area of Iran in 2016. Samples were consisted of 105 hospitalized patients with heart failure chosen using a convenience sampling method. They were assigned to relaxation, nature sounds, and control groups using a randomized block design. In addition to routine care, the Benson muscle relaxation and nature sounds groups received interventions in mornings and evenings twice a day for 20 minutes within 3 consecutive days. A 9-item questionnaire was used to collect data regarding fatigue before and after the interventions. Relaxation and nature sounds reduced fatigue in patients with heart failure in comparison to the control group. However, no statistically significant difference was observed between the interventions. Benson muscle relaxation and nature sounds are alternative methods for the reduction of fatigue in patients with heart failure. They are inexpensive and easy to be administered and upon patients' preferences can be used by nurses along with routine nursing interventions. PMID- 29210876 TI - Identifying the Factors Affecting Comfort and the Comfort Levels of Patients Hospitalized in the Coronary Care Unit. AB - Comfort, a concept associated with the art of nursing, is important for reducing the negative impact of hospitalization in a coronary care unit (CCU). Providing nursing interventions that ensure patient comfort is important for patients to respond positively to treatment. To determine the factors affecting comfort and the comfort levels of patients hospitalized in the CCU. A descriptive study. The study was conducted between December 2015 and February 2016 in the CCU of a state hospital located in Trabzon, Turkey. The sample consisted of 119 patients who complied with the criteria of inclusion for the study. Data were collected using the "Patient Information Form" and a "General Comfort Questionnaire." The mean patient comfort score was 3.22 +/- 0.33, and we found significant relationships between comfort scores and age (r = -0.19; P = .03) and communication by nurses and physicians (P < .05). Regression analysis revealed that sufficient communication by physicians, education level, age, and having a companion were related to the comfort level (P < .05). Communication by nurses and physicians and having a companion could change the comfort levels of patients hospitalized in the CCU. PMID- 29210877 TI - Music Intervention With Reminiscence Therapy and Reality Orientation for Elderly People With Alzheimer Disease Living in a Nursing Home: A Pilot Study. AB - The purpose of this study was to investigate the effect of an 8-week nursing intervention consisting of 2 weekly sessions of music and reminiscence therapy together with the application of reality orientation techniques. Our expectation at the onset of the study was that listening to music that was familiar and connected with the memory of past events would, due to the music's emotional impact, stimulate memory associations, leading, in turn, to a positive effect on depression and anxiety in people living with dementia. We carried out a pre /posttest intervention design with a sample of 19 patients divided into 2 groups a 10-patient control group and a 9-patient intervention group-in a nursing home in Spain. Goldberg tests for depression and anxiety have been assessed at baseline and postintervention in both groups. Our results confirm the valuable effect of music therapy and reminiscence therapy together with reality orientation techniques on depression in patients with mild Alzheimer disease. Our study may constitute an important starting point for further research on nursing interventions based on the provision of music and/or reminiscence therapy together with reality orientation techniques that is implemented on a daily basis in nursing homes. PMID- 29210878 TI - Integrative Neuronutritional Therapy Metabolic Brain Parameters in Mental Health. PMID- 29210880 TI - In Reply. PMID- 29210879 TI - The Interconnectedness of Climate, Weather, and Living Organisms' Health. PMID- 29210881 TI - Do social determinants of health make a difference in the age at natural menopause in Canada? PMID- 29210882 TI - Fluency in Nursing Education and Simulation: A Concept Analysis. AB - AIM: The aim of the study was to realign how nurses view simulation in nursing education as a means of facilitating fluency in knowledge and action to promote expertise in practice. BACKGROUND: Nursing expertise is attained by translating complex phenomena across multiple representations and by constructing meaning through experience. Simulation provides learners the experiences necessary to develop fluency in thought and action. METHOD: Procedures outlined by Hupcey and Penrod (2005) and Walker and Avant (2011) were used to identify uses, defining attributes, philosophical assumptions, contextual factors, and values of the concept. RESULTS: Use of simulation to promote representational fluency in other disciplines fosters deep conceptual understanding and skillfulness, which prepares learners to perform with fluidity and expertise. CONCLUSION: The association between representational fluency and simulation introduces nurse educators to a way of thinking about how novices learn to think and act like experts. Further research is recommended. PMID- 29210883 TI - Association between pain and sexual health in older people: results from the English Longitudinal Study of Ageing. AB - There is little information on the impact of pain on sexual health in later life. The aim of this analysis was to determine the association between self-reported pain and sexual health in older men and women. Data were collected for the nationally representative English Longitudinal Study of Ageing. Community dwelling adults aged 50 years and older completed the Sexual Relationships and Activities Questionnaire in Wave 6 (2012/2013). Participants were asked (waves 1 6 [2002-2013]) whether they were "often troubled with pain" and, how severe was their pain; mild, moderate, or severe. The association between pain and sexual health was assessed using logistic regression. Analyses were stratified by sex, with adjustments made for age followed by adjustments for health and lifestyle factors, depressive symptoms, and socioeconomic status. Of the 3916 participants who reported having sexual activity in the past year, 28% of women and 23% of men reported experiencing moderate or severe pain often at Wave 6. After adjusting for age, compared with men experiencing no pain, men with moderate or severe pain reported less frequent intercourse and masturbation, more erectile difficulties, and more concerns about their sexual health. After age adjustment, there were no associations between pain severity and sexual health among women. Of the 1872 participants with a cumulative pain score, there were significant associations between reporting pain and concerns about sexual health in both men and women. Pain was associated with impairment in sexual health in men and women; however, the effect was more marked in men. PMID- 29210884 TI - Discrepancy Between Cerebral Structure and Cognitive Functioning: A Review. AB - Neuroscientists typically assume that human mental functions are generated by the brain and that its structural elements, including the different cell layers and tissues that form the neocortex, play specific roles in this complex process. Different functional units are thought to complement one another to create an integrated self-awareness or episodic memory. Still, findings that pertain to brain dysplasia and brain lesions indicate that in some individuals there is a considerable discrepancy between the cerebral structures and cognitive functioning. This seems to question the seemingly well-defined role of these brain structures. This article provides a review of such remarkable cases. It contains overviews of noteworthy aspects of hydrocephalus, hemihydranencephaly, hemispherectomy, and certain abilities of "savants." We add considerations on memory processing, comment on the assumed role of neural plasticity in these contexts, and highlight the importance of taking such anomalies into account when formulating encompassing models of brain functioning. PMID- 29210887 TI - Composition and Associated Factors of Radiological Examination in Major Trauma Patients: A Prospective Observational Study. AB - The care of major trauma patients continues to be a challenge for emergency physicians and trauma surgeons. We found that the total number of radiological examinations for major trauma patients in this study was high and mainly comprised radiography and computed tomography (CT), with CT being more commonly adopted. The number of CT scans was positively correlated with severity of injury and intensive care unit length of stay. Further study is warranted to optimize radiological examinations involving major trauma patients.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. PMID- 29210888 TI - Pneumonia in a Teenager Hiding a Fire-Eating Stunt. AB - Pneumonia in children due to hydrocarbon aspiration is usually the result of an uncommon accidental event. However, an acute and severe type of pneumonia induced by hydrocarbon aspiration is occasionally experienced by entertainers known as fire-eaters. Different approaches to treat fire-eater's pneumonia appear in the literature. Although there is no consensus regarding the management of this condition, the use of antibiotic therapy is well recognized and recommended by some, whereas others recommend only supportive treatment. Steroids are indicated in severe cases.Here, we report the case of a boy who developed severe pneumonia after inhaling hydrocarbons during an attempt to mimic a fire-eater show. Slow resolution was achieved after broad-spectrum antibiotic therapy in addition to systemic and inhaled steroids and physiotherapy. PMID- 29210889 TI - Does Specialty Training and Practice Setting Affect Adherence to the Pediatric Emergency Care Applied Research Network Criteria for Pediatric Head Trauma? AB - OBJECTIVE: The goal was to determine the effects of specialty training and practice settings on the adherence to the Pediatric Emergency Care Applied Research Network (PECARN) criteria. METHODS: A retrospective study was conducted on a 2-campus hospital. Chart documentation was used to determine adherence to PECARN criteria. Inclusion criteria were any traumatic head injury within 24 hours in patients younger than 18 years over a 1-year period. Specialty training was subdivided into 3 groups: pediatric emergency medicine, emergency medicine (EM), and general pediatrics. The 2 hospital campuses are distinctly different practice settings, one being an academic practice setting, which is also a trauma center that has a dedicated pediatric emergency department, staffed by pediatric emergency medicine, EM, and general pediatrics physicians, and the second campus is a community practice and is staffed solely by EM physicians. Statistical analysis was performed using chi and Cochran-Mantel-Haenszel tests. All analyses were 2-sided, and P < 0.05 was considered statistically significant. RESULTS: A total of 709 pediatric patients with traumatic head injuries were analyzed. Overall adherence to PECARN criteria was 93%. No statistical difference was found between different specialty training on the academic campus. In addition, the rate of adherence among EM physicians at the academic and community settings was 94.8% versus 86.5%, respectively (P = 0.004). CONCLUSIONS: Practice setting had an effect on adherence to PECARN criteria in pediatric patients with acute traumatic head injury. The same determination on adherence was not demonstrated among physicians with different specialty trainings. PMID- 29210890 TI - Allergic Colitis With Pneumatosis Intestinalis in an Infant. AB - Inflammatory causes of bloody diarrhea during infancy include necrotizing enterocolitis and allergic colitis, often due to cow's milk protein. We report this case of cow's milk protein allergy, managed successfully with elimination of dietary antigen, to highlight the unusual finding of pneumatosis intestinalis on abdominal x-ray, a radiographic hallmark associated with necrotizing enterocolitis. Detailed patient's history, clinical presentation, and physical examinations are discussed for cow's milk protein allergy and necrotizing enterocolitis. PMID- 29210891 TI - Debriefing to Improve Student Ability to Assess and Plan for the Care of Persons With Disability. AB - INTRODUCTION: Although recent literature suggests that students should be trained in the care of persons with disability (PWDs) as a form of cultural sensitivity (CS), healthcare professionals may receive limited experience during their formal training. After pharmacy students in 2 previous years of testing failed to adequately assess and plan for the care of a standardized patient's chief complaint and disability in an Objective Structured Clinical Examination (OSCE), the investigators added debriefing to the OSCE to determine if it would improve student's ability to assess and plan for the care of PWD. METHODS: Two sequentially enrolled second-year pharmacy school student cohorts participated in this study (control n = 90; intervention n = 82). During the OSCE, students interviewed and examined a standardized patient with a simulated physical disability and other chronic disease states. Students were then instructed to develop a care plan considering the patient's disability and other disease states. The intervention cohort received debriefing; the control did not. Students documented the care plan in a subjective, objective, assessment, and plan (SOAP) note. Investigators assessed SOAP note score (general ability of students to write a SOAP note) and CS score (specific ability to care for PWD) to determine the effectiveness of the debriefing. RESULTS: The intervention group showed a significantly higher percent mean CS score than the control group (93.6% +/- 19% and 61.1% +/- 30.7%, respectively, P < 0.001), translating to a mean of 56.2/60 points earned for the intervention group and 36.7/60 points earned for the control group. Scores ranged from 0 to 60 points for both intervention and control groups. Students in the intervention group had an absolute improvement in pass rates (those students scoring >=70% on the OSCE) of 59.4% with 92.7% of the students passing in the intervention group versus 33.3% of the students passing in the control group (P < 0.001). The overall SOAP note scores were no different between the 2 cohorts (P = 0.353). CONCLUSIONS: Debriefing added to an OSCE improved students' performance in developing care plans for disabled patients. Ideally, longitudinal studies should be completed to determine if these skills transfer from debriefings to clinical practice. Development of effective training and assessment methods is essential for students to obtain adequate skills and knowledge to care for persons with disabilities. PMID- 29210892 TI - Physiologically Triggered Digital Cognitive Aid Facilitates Crisis Management in a Simulated Operating Room: A Randomized Controlled Study. AB - INTRODUCTION: Although the benefits of using cognitive aids in anesthesia care have previously been demonstrated, several challenges remain. It must be presented in a timely manner, and providers must be amenable to using the tool once it is available. We hypothesized that anesthesia residents would perform superiorly when presented with a digital cognitive aid (DCogA) that is automatically triggered by a set vital sign aberration. METHODS: Thirty anesthesia residents were randomized to either control (with access to hard copy of the cognitive aid) or receive a DCogA projected on their anesthesia information management system with the onset of heart block and associated hypotension. The scenario ended upon commencement of pacing, and the times to interventions were recorded. RESULTS: Fourteen participants were randomized to the control group and 16 to the intervention group DCogA. In the control group, 6 of 14 participants failed to pace, and in the DCogA group, all participants initiated pacing (P < 0.01). Those in the DCogA group were also faster to pace [260.1 (137.5) s vs. 405.1 (201.8) s, P = 0.03]. Both groups were similar with respect to their knowledge of advanced cardiovascular life support as measured by a pretest (P = 0.92). CONCLUSIONS: We found those participants who were presented with electronic, physiologically triggered cognitive aids were more likely to appropriately treat heart block by initiating transcutaneous pacing. We believe that adoption of a high-functioning anesthesia information management system designed to detect physiologic perturbations and present appropriate decision support tools would lead to safer intraoperative care. PMID- 29210893 TI - Uterus Transplantation: A Rapidly Expanding Field. AB - Uterus transplantation (UTx) has been successfully introduced as a treatment option for women with absolute uterine factor infertility (AUFI). AUFI representing approximately 3% to 5% of the female general population is linked to either congenital uterine agenesis (Mayer-Rokitansky-Kuster-Hauser syndrome), major congenital uterine malformation (hypoplastic uterus, fraction of bicornuate/unicornuate uterus), a surgically absent uterus, or an acquired condition (intrauterine adhesions, leiomyoma) linked to uterine malfunction that causes implantation failure or defect placentation. The world's first clinical uterus transplant was performed in 2000. However, a hysterectomy became necessary shortly after the surgery due to uterine necrosis. In 2011, a group in Turkey reported on a surgically successful deceased donor transplant; however, this procedure has, to date, not resulted in a healthy live birth, the ultimate goal of UTx. Building on an extensive experimental background in various animal models, including primates, the Gothenburg group led by Brannstrom reported on the first delivery of a healthy baby in a recipient of a live donor UTx in 2014. This event did not only show the feasibility of UTx, it also helped defining relevant areas of clinical and basic research. Use of a gestational surrogate carrier, is, at least in theory, an alternative for a woman with AUFI seeking genetic motherhood. However, in the clear majority of countries worldwide, gestational surrogacy is not practiced based on legal, ethical, or religious concerns. Of note, the overwhelming majority of surveyed women in the United Kingdom, a country which permits surrogacy, preferred UTx over gestational surrogacy and adoption. Moreover, randomly selected women of fertile age in Sweden preferred UTx over gestational surrogacy. A recent large survey in Japan with more than 3000 participants revealed that UTx had a twofold higher acceptance rate compared with gestational surrogacy. In a recent US survey exploring the potential of donating vascularized composite allografts, uterus donation achieved the highest priority. Thus, the acceptance of UTx as infertility treatment for women with AUFI is high, although the procedure remains in its infancy. Here, we provide an update of clinical activities, summarize achievements and challenges, and submit areas of research interests. PMID- 29210894 TI - Hypertension in Mozambique: trends between 2005 and 2015. AB - OBJECTIVE: To assess the current prevalence, awareness, treatment and control of arterial hypertension in Mozambican population, including adolescents and young adults, and to appraise their trends over the past decade, for the 25-64 years old population. METHODS: A cross-sectional study of a representative sample of the population aged 15-64 years (n = 2965) was conducted in 2014-2015, following the Stepwise Approach to Chronic Disease Risk Factor Surveillance. Data from a survey conducted in 2005 using the same methodological approach was used to assess trends in the age group of 25-64 years. RESULTS: The prevalence of hypertension increased significantly, from 33.1 to 38.9% (P = 0.048), whereas awareness (2005 vs. 2014-2015: 14.8 vs. 14.5%, P = 0.914) and treatment among the aware (2005 vs. 2014-2015: 51.9 vs. 50.1%, P = 0.770) remained similar. Control among the treated increased (from 39.9 to 44.5%, P = 0.587), although not significantly. Mean blood pressure values increased (SBP: from 132.1 to 134.6 mmHg, P = 0.089; DBP: from 78.2 to 82.5 mmHg, P < 0.001). Among participants aged 15-24 years, in 2014-2015 the prevalence of hypertension was 13.1% (95% confidence interval: 9.8-16.4). CONCLUSION: Our findings show that the prevalence of hypertension in Mozambique is among the highest in developing countries, both in adults and adolescents, portraying an ample margin for reduction of the morbidity and mortality burden because of high blood pressure. PMID- 29210895 TI - Characteristics of upper-limb pull power and power endurance in Japanese female wrestlers. AB - This study aimed at elucidating the characteristics of upper-limb physical strength required by female wrestlers by comparing the pull power, power endurance, and number of repetitions between female wrestlers at world and national levels. The subjects were 20 female wrestlers (8 Olympic- and/or world class and 12 national-class top-ranking individuals). The subjects assumed a lying prone (face down) position on a bench and pulled a bar from arms length until contact with underside of bench. The weight load was increased in 10-kg steps and the upper-limb pull power was measured for each lift. To measure power endurance, the power to achieve the repetition maximum and the maximum number of repetitions were measured at the load at which they exerted their maximum power. All measurements were obtained using a GymAware power meter (Kinetic Performance Technology, Canberra, Australia). Pull power was greater at 20, 30, 40 and 50 kg in world-class wrestlers than in national-class wrestlers. No difference was observed in the time course of power endurance between the groups; however, the power in world-class wrestlers declined slower than in national-class wrestlers. Repetition maximum also tended to be higher in world-class wrestlers than in national-class wrestlers. Female wrestlers were observed to have greater upper limb pull power in a range from low to high loads and were able to preserve repetition ability while maintaining high power. Their competitive performance appears to be related to these abilities. PMID- 29210896 TI - Peer Training Using Cognitive Rehearsal to Promote a Culture of Safety in Health Care. AB - Nursing students need opportunities to prepare for real-world problems that they may encounter as they enter the profession. Incivility and bullying behaviors persist in health care. The purpose of this project was to increase students' awareness of incivility and prepare them to respond to it. Two teaching methods were compared. Results supported that interactive civility training using cognitive rehearsal provided by nursing student peers was as effective as instruction from an expert. PMID- 29210897 TI - Evaluation of Newly Licensed RNs to Determine Success of Nursing Program: A Partnership Between Practice and Education. PMID- 29210898 TI - Medication Errors Involving Nursing Students: A Systematic Review. AB - The purpose of this study was to synthesize the available empirical evidence on prelicensure nursing students' medication errors. A systematic literature review of original research publications was carried out. After the selection process, only 19 articles complied with all the requirements for inclusion in this review. The findings showed that few studies to date have analyzed errors and near misses involving nursing students, and the current evidence suggests that the incidence of them is high. PMID- 29210899 TI - Distinct Microbial Populations Exist in the Mucosa-associated Microbiota of Diarrhea Predominant Irritable Bowel Syndrome and Ulcerative Colitis. AB - GOALS: The goal of this study was to observe the bacterial colonization in the intestinal mucosa in the patients with diarrhea predominant irritable bowel syndrome (IBS-D) and ulcerative colitis (UC), and compare the mucosa-associated microbiota among the IBS-D patients, UC patients and the healthy control, and explore the correlation of the mucosa-associated microbiota with clinical manifestations. STUDY: A total of 20 IBS-D patients, 28 patients with UC (16 active, 12 inactive) and 16 healthy subjects were enrolled in the study. They all underwent colonoscopies in the Gastrointestinal Endoscopy Center in the Second Affiliated Hospital of Xi'an Jiaotong University from June 2016 to October 2016. The mucosa specimens were taken at the junction of rectum and sigmoid colon for fluorescent in situ hybridization (FISH). Then the observed mucosa-associated microbiota was counted and compared. RESULTS: (1) In the IBS-D patients, the mucosa-associated bacteria were found to colonize in the surface of mucosa and the adjacent mucin layer. And in active UC, Escherichia coli, and Bacteroides were found in the lamina propria, in addition to bacterial colonization in the above-mentioned areas. (2) The total count of mucosa-associated bacteria and the individual counts of E. coli, Clostridium, and Bacteroides were significantly increased, and Bifidobacteria significantly decreased (P<0.05) in the IBS-D patients and UC patients. Counts of Lactobacillus were decreased only in UC patients compared with the healthy control. And a significantly larger variation of the above-mentioned bacterial counts was found in the patients with UC, particularly in those with active UC, compared with those with IBS-D (P<0.05); the counts in the UC group were 1.3 to 5.3 times more or less than those in the IBS-D group. (3) Compared with healthy controls and IBS-D, the total count of bacteria and the individual counts of E. coli and Bacteroides in the lamina propria in active UC were significantly increased (P<0.05). (4) A significant negative correlation of the counts of Lactobacillus and Bifidobacteria with the defecation frequency and fecal characteristics (P<0.05) was found in the IBS-D patients; in those with UC, both the total count of bacteria and the individual counts of E. coli, Clostridium, Bacteroides, Lactobacillus, and Bifidobacteria were significantly correlated, positively or negatively, with the related clinical manifestations and the activity of the disease (P<0.05). CONCLUSIONS: Compared with the healthy control, intestinal microecology was changed most obviously in UC with much smaller differences though in the same direction in IBS D. The translocation of some bacteria into the lamina propria was found in UC, particularly in active UC. The changes of mucosa-associated microbiota were related more or less to some clinical manifestations in IBS-D and UC. PMID- 29210900 TI - Development of Image-enhanced Endoscopy of the Gastrointestinal Tract: A Review of History and Current Evidences. AB - Endoscopy imaging of the gastrointestinal (GI) tract has evolved tremendously over the last few decades. Key milestones in the development of endoscopy imaging include the use of various dyes for chromoendoscopy, the application of optical magnification in endoscopy, the introduction of high-definition image capturing and display technology and the application of altered illuminating light to achieve vascular and surface enhancement. Aims of this review paper are to summarize the development and evolution of modern endoscopy imaging and in particular, imaged-enhanced endoscopy (IEE), to promote appropriate usage, and to guide future development of good endoscopy practice. A search of PubMed database was performed to identify articles related to IEE of the GI tract. Where appropriate, landmark trials and high-quality meta-analyses and systematic reviews were used in the discussion. In this review, the developments and evolutions in endoscopy imaging and in particular, IEE, were summarized into discernible eras and the literature evidence with regard to the strengths and weaknesses in term of their detection and characterization capability in each of these eras were discussed. It is in the authors' opinion that IEE is capable of fairly good detection and accurate characterization of various GI lesions but such benefits may not be readily reaped by those who are new in the field of luminal endoscopy. Exposure and training in making confident diagnoses using these endoscopy imaging technologies are required in tandem with these new developments in order to fully embrace and adopt the benefits. PMID- 29210901 TI - Smoking Habits are Strongly Associated With Colorectal Polyps in a Population based Case-control Study. AB - GOALS: The goal of this study is to test the association between lifetime smoking habits and colorectal polyps of different classifications. BACKGROUND: Smoking is an established risk factor for several cancers, including colorectal cancer. However, the association between lifetime smoking habits including intensity, duration, and cessation, and premalignant colorectal polyps is yet to be established. STUDY: A case-control study among 828 consecutive subjects aged 40 to 70 years, undergoing screening or diagnostic colonoscopy. Exclusion criteria were: medically treated diabetes, colectomy, and belonging to colorectal cancer high risk group. Polyps were stratified according to histology (serrated or adenomatous polyp) and location. All participants underwent anthropometric measurements and a structured medical and lifestyle interview. RESULTS: Current smoking was more strongly associated with increased odds for distal rather than proximal polyps [odds ratio (OR), 4.00; 95% confidence interval (CI), 2.40-6.68 and OR, 2.52; 95% CI, 1.46-4.36, respectively], with serrated-polyps rather than adenomas (OR, 6.36; 95% CI, 2.77-14.57 and OR, 3.01; 1.90-4.74, respectively). All levels of smoking intensity (daily cigarettes) were associated with colorectal polyps. A dose-response association was seen between smoking duration and colorectal polyps. Smoking duration of >=20 years was strongly associated with distal polyps (OR, 4.01; 95% CI, 1.62-9.84), independently of potential confounders, smoking intensity and years since smoking cessation. All associations were stronger for distal serrated polyps. CONCLUSIONS: Smoking duration is associated with colorectal plyps, independently of other potential confounders, smoking intensity, and cessation. The association is stronger with distal rather than proximal polyps, and with serrated polyps rather than adenomas. PMID- 29210902 TI - Insufflation With Carbon Dioxide During Pediatric Colonoscopy for Control of Postprocedure Pain. AB - GOALS: To determine if carbon dioxide (CO2) insufflation in children would improve postprocedure pain following colonoscopy in children. BACKGROUND: CO2 insufflation during colonoscopy has been found to reduce postcolonoscopy pain in the adult population, but limited data exist in pediatrics. MATERIALS AND METHODS: We conducted a prospective study with 40 pediatric patients scheduled for outpatient colonoscopy. Patients were enrolled continuously and were randomized to receive CO2 or air insufflation. Patients and colonoscopists were blinded to insufflation method. End tidal CO2 (EtCO2) was documented throughout the procedure. Abdominal pain was established preprocedure then at 1-, 6-, and 24 hour postprocedure. Subject demographics, indications, colonoscopists' year of training, time to cecum, adverse events, and final diagnoses were recorded. RESULTS: Twenty patients were randomized to each group. Patients receiving air had a statistically significant increase in pain from baseline at 1- and 6-hours after colonoscopy (P=0.007 and 0.008). This was not seen in the CO2 group (P=0.740 and 0.289). There was an increase in postprocedure pain in the air group compared with CO2 group at the 1-hour mark (P=0.032). EtCO2 increased during the procedure, regardless of insufflation method, but no difference was seen between groups (P=0.822). CONCLUSIONS: Our results demonstrate that higher levels of pain were reported by patients following air compared with those receiving CO2 insufflation. This is the first study to show CO2 is as safe as air, with no increase in EtCO2 between groups in the pediatric population. CO2 is an effective and safe modality and should be considered for pediatric colonoscopies. PMID- 29210904 TI - Chondrosarcoma of the cervical spine. AB - This case report describes the diagnosis, surgical treatment, and management of a patient with low-grade chondrosarcoma of the cervical spine that initially presented as myositis ossificans. Chondrosarcoma is rare in the cervical spine and in this patient, may have been the result of an injury from a motor vehicle crash. The management of this patient has been unusual in that a complete excision was not performed because the patient refused standard treatment. PMID- 29210905 TI - Endoscopic transluminal debridement of the pancreas. AB - Most patients with acute pancreatitis will develop edematous pancreatitis with a mild course and spontaneous resolution within several days to a few weeks. However, about 20% of patients will develop necrotizing pancreatitis, which carries a high mortality. This case report focuses on a patient with infected necrosis of the pancreas, which is managed with endoscopic transluminal debridement, a safe alternative to open surgery. PMID- 29210906 TI - Temperature management for out-of-hospital cardiac arrest. AB - More than 300,000 Americans suffer a cardiac arrest outside of the hospital each year and even among those who are successfully resuscitated and survive to hospital admission, outcomes remain poor. Temperature management (previously known as therapeutic hypothermia) is the only intervention that has been reproducibly demonstrated to ameliorate the neurologic injury that follows cardiac arrest. The results of a recent large randomized controlled trial have highlighted the uncertainty about temperature management strategies following cardiac arrest. This article reviews the issues and recommendations. PMID- 29210907 TI - Musculoskeletal development in patients with Down syndrome. AB - Down syndrome is a chromosomal aneuploidy that results in disruptions in multiple body systems, including musculoskeletal function. Early intervention to focus on bone mineral density, gait correction, agility, balance, and muscle strength is imperative in order for patients to achieve maximum potential. PMID- 29210908 TI - Does using PAs in the closed treatment of pediatric forearm fractures increase malunion risk? AB - PURPOSE: This study assessed whether using physician assistants (PAs) for fracture follow-up during nonoperative management of pediatric forearm fractures was associated with an increased risk of malunion. METHODS: The study was a retrospective review of charts of 141 children under age 18 years who were treated nonoperatively in the division of orthopedics over 12 months for forearm fractures. The effect of type and number of follow-up providers on risk of malunion was determined and controlled for fracture type, location, and initial angulation. Logistic regression, Fisher exact test, and Cochran-Armitage trend test were used to analyze the data, with P < .05 indicating statistical significance. RESULTS: Using strict criteria, malunion was identified in 42 (30%) of 141 patients. Follow-up provided by even up to four PAs did not increase malunion risk. Transfer of care between two attending physicians increased malunion risk, independent of fracture characteristics. CONCLUSION: The involvement of even multiple PAs during follow-up management of nonoperatively treated pediatric forearm fractures is not associated with an increase in the risk of malunion. These findings are consistent with previous published works that highlighted the safe and valuable role PAs can play in the management of common fractures. PMID- 29210909 TI - Tetanus. PMID- 29210910 TI - Five easy-to-master uses for point-of-care ultrasound. AB - Clinicians are increasingly becoming familiar with the value of limited, focused point-of-care ultrasonography (POCUS) to help answer discrete clinical questions. Ultrasound education is being taught in medical schools and physician assistant (PA) and PA postgraduate programs nationwide. This article introduces five basic POC ultrasound scans that can easily be mastered by practicing PAs. PMID- 29210912 TI - An uncommon complication of a foot fracture. PMID- 29210913 TI - Weekend call: Sifting the salient points. PMID- 29210914 TI - Poster session highlights PA research. PMID- 29210915 TI - "It's just a virus". PMID- 29210916 TI - Acute Inflammatory Responses to Exercise in Patients with Abdominal Aortic Aneurysm. AB - PURPOSE: Inflammation and extracellular matrix degeneration contribute to abdominal aortic aneurysm (AAA) development. We aimed to assess the effect of exercise intensity on circulating biomarkers of inflammation and extracellular matrix degeneration in patients with AAA and healthy older adults. METHODS: Twenty patients with AAA (74 +/- 6 yr) and 20 healthy males (72 +/- 5 yr) completed moderate-intensity cycling at 40% peak power output, higher-intensity intervals at 70% peak power output, and control (rest) on separate days. Circulating matrix metalloproteinase-9 (MMP-9), transforming growth factor beta 1, interleukin-6 (IL-6), IL-10, and tumor necrosis factor alpha (TNF-alpha) were analyzed at rest and 0 to 90 min postexercise. RESULTS: Biomarkers at baseline were similar between groups. IL-6 responses to exercise were similar between groups, with a greater increase in DeltaIL-6 after moderate-intensity compared with higher-intensity exercise (P < 0.001). Delta MMP-9 showed a 118-ng.mL (95% confidence interval = 23 to 214, P = 0.02) greater increase immediately after higher-intensity exercise compared with changes in control in both groups. Delta MMP-9 then decreased by 114 ng.mL (18 to 211, P = 0.02) 90 min after higher intensity exercise compared with the changes in control. Delta TNF-alpha was not different between protocols in healthy adults. In patients with AAA, delta TNF alpha showed a greater decrease after higher-intensity compared with moderate intensity exercise (-6.1 pg.mL, -8.5 to -3.6, P < 0.001) and control (-4.9 pg.mL, -7.4 to -2.4, P < 0.001). IL-10 and transforming growth factor beta 1 did not change in either group. CONCLUSIONS: These findings suggest that a bout of higher intensity exercise elicits a greater anti-inflammatory response compared with moderate-intensity exercise, which may be further augmented in patients with AAA. Exercise-induced reductions in biomarkers associated with AAA progression may represent a protective effect of exercise in patients with AAA. PMID- 29210917 TI - Link between Physical Activity Type in Adolescence and Body Composition in Adulthood. AB - PURPOSE: We investigated whether type of physical activity (PA) (sports, running, and fitness/dance) engaged in during adolescence is associated with body composition in late adolescence or early adulthood. METHODS: Data were drawn from 631 participants in the Nicotine Dependence in Teens study, a prospective investigation of students ages 12-13 yr at inception. Self-report PA data were collected at baseline, in grade 7, and every 3-4 months thereafter during the 5 yr of high school (1999-2005). Anthropometric indicators (height, weight, waist circumference, triceps, and subscapular skinfold thickness) were measured at ages 12, 16, and 24 yr. On the basis of prior exploratory factor analysis, PA was categorized into one of three types (sports, running, and fitness/dance). Regression models estimated the association between number of years participating in each PA type (0-5 yr) during high school and body composition measures in later adolescence or early adulthood. RESULTS: In multivariable models accounting for age, sex, and parent education, more number of years participating in running during adolescence was associated with lower body mass index, waist circumference, and skinfold thickness in later adolescence and early adulthood (all P < 0.01). This association was no longer apparent in models that accounted for body composition at age 12 yr. The number of years participating in sports was positively associated with body mass index in early adulthood (P = 0.02), but fitness/dance was not statistically significantly associated with any outcome. CONCLUSION: Sustaining participation in running, but not in other PA types, during adolescence was related to lower body composition in later adolescence and adulthood. However, more research is needed to determine whether this association is attributable to a relationship between PA and body composition in early adolescence. PMID- 29210918 TI - Association between Physical Activity and Adiposity in Adolescents with Down Syndrome. AB - PURPOSE: Obesity is highly prevalent among adolescents with Down syndrome (DS); however, reported associations between body composition and moderate-to-vigorous physical activity (MVPA) have been small and nonsignificant. The purpose of this study was to compare group differences between adolescents with and without DS, including dual-energy x-ray absorptiometry (DXA) measured body composition and accelerometer-measured physical activity, and then examine associations within adolescents with DS. METHODS: Thirty-nine adolescents (22 with DS and 17 typically developing controls) 12-18 yr of age participated in the study. Groups had similar distributions of age, sex, and Tanner pubertal stage. Body composition was assessed by DXA, body mass index (BMI), and BMI percentile. MVPA was measured with ActiGraph GT3X+ accelerometers. RESULTS: Adolescents with DS had significantly higher BMI, BMI percentile, and DXA-derived percent body fat (%BF) as well as lower MVPA compared with controls (P < 0.05). Associations between MVPA and %BF in adolescents with DS were moderate (r = -0.39, P = 0.07) but substantially stronger than BMI (r = -0.19, P = 0.40). However, linear regression analyses identified Tanner stage (beta = -0.77, P < 0.001) and MVPA (beta = -0.34, P = 0.047) as significant predictors of %BF. No relevant associations between body composition and MVPA were observed in adolescents with typical development (P > 0.05). CONCLUSIONS: Our findings suggest that MVPA is associated with adiposity when measured with DXA among adolescents with DS. PMID- 29210919 TI - The Role of Combination Therapy in Pediatric Inflammatory Bowel Disease: A Clinical Report from the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition. AB - The treatment goal for children suffering from inflammatory bowel disease has been evolving with biologic therapies like anti-tumor necrosis factor agents assuming a more central role in treatment of more aggressive and extensive phenotype. Earlier introduction of anti-tumor necrosis factor agents have shown to be more effective and may even alter the natural history of inflammatory bowel disease. Development of anti-drug antibodies, however, limits long-term usage and leads to dose adjustment in almost half of patients treated with these medications. One of the strategies to minimize the development of anti-drug antibodies has been concomitant use of immunomodulator medications, resulting in fewer infusion reactions and sustained trough levels, potentially lowering the need for dose adjustments. Balanced with these benefits of optimized dosing and likely more sustained response, however, is the concern about increased risk of complications, such as infections and malignancies. The current manuscript reviews the available pediatric literature regarding efficacy, safety, and side effect profile of combination (immunomodulator and biologics) therapy in pediatric Crohn disease and ulcerative colitis, with particular emphasis on cost constraints, and recommendations for selection of patients who would benefit most from combination therapy. PMID- 29210920 TI - Safety of Appetite Manipulation in Children with Feeding Disorders Admitted to an Inpatient Feeding Program. AB - OBJECTIVE: Appetite manipulation can be effective in weaning children off gastrostomy tube feeding dependence but can cause dehydration, hypoglycaemia, and ketone body production, which is anorexigenic. As the safety of this approach has not been described, our aim was to describe adverse events observed when weaning children from G-tube dependence using our appetite manipulation protocol. METHODS: This was a retrospective study of prospectively collected data of patients who completed our inpatient tube-weaning protocol. Daily safety parameters included twice-daily urine specific gravities and urine ketones and fasting capillary blood glucose. Graded clinical interventions to manage adverse events were collected. RESULTS: A total of 143 children with a mean age of 4.8 +/ 2.4 years were seen in the inpatient feeding program of which 74 (51.7%) were male. The children were hospitalized 10.1 +/- 2.5 days with the vast majority being discharged between days 11 and 14. Overall, 78.2% of patients experienced at least 1 adverse event: urine specific gravity >1.020 was seen in 60.5%, ketonuria in 48.9%, and hypoglycemia (<=60 mg/dL) in 13.4%. Only 2 children had blood glucose levels <40 mg/dL and these were corrected with oral supplementation. Graded clinical interventions to manage adverse events included oral rehydration in 89.9% of children and supplemental tube feeding in 25.2%. CONCLUSIONS: Adverse effects are common when appetite manipulation is used to wean children off G-tube dependence. Anticipating, monitoring, and having a clear intervention plan in a closely monitored setting are necessary to safely use this method. PMID- 29210921 TI - Celiac Disease by the Age of 13 Years Is Not Associated With Probiotics Administration in Infancy. AB - Probiotics are theoretically promising in primary prevention of celiac disease (CD), but research evidence on the topic is scarce. We used the data and material of a clinical double-blind randomized placebo-controlled trial on primary allergy prevention (n = 1223) to investigate in an exploratory study whether administration of a mix of pro- and prebiotics during late pregnancy and first 6 months of life was associated with prevalence of CD during 13-year follow-up. Children who fulfilled diagnostic criteria for CD (n = 11) and subjects with a serum sample available for analyzing CD antibodies (n = 867) were included. CD or elevated tissue transglutaminase IgA antibodies were not associated with probiotics or placebo. Nor were there any associations with the mode of delivery, the duration of exclusive or total breast-feeding, or respiratory infections during the first 2 years of life. Allergic diseases or sensitization by the age of 2 or 5 years were not clearly associated with the development of CD. PMID- 29210922 TI - Splenda in the Milk: Hitting the Sweet Spot. PMID- 29210923 TI - Faecal Calprotectin: What Does This Mean for the Paediatric Inflammatory Bowel Disease Phenotype? PMID- 29210924 TI - Intraventricular Hemorrhage in Moderate to Severe Congenital Heart Disease. AB - OBJECTIVES: Determine the prevalence of intraventricular hemorrhage in infants with moderate to severe congenital heart disease, investigate the impact of gestational age, cardiac diagnosis, and cardiac intervention on intraventricular hemorrhage, and compare intraventricular hemorrhage rates in preterm infants with and without congenital heart disease. DESIGN: A single-center retrospective review. SETTING: A tertiary care children's hospital. PATIENTS: All infants admitted to St. Louis Children's Hospital from 2007 to 2012 with moderate to severe congenital heart disease requiring cardiac intervention in the first 90 days of life and all preterm infants without congenital heart disease or congenital anomalies/known genetic diagnoses admitted during the same time period. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Cranial ultrasound data were reviewed for presence/severity of intraventricular hemorrhage. Head CT and brain MRI data were also reviewed in the congenital heart disease infants. Univariate analyses were undertaken to determine associations with intraventricular hemorrhage, and a final multivariate logistic regression model was performed. There were 339 infants with congenital heart disease who met inclusion criteria and 25.4% were born preterm. Intraventricular hemorrhage was identified on cranial ultrasound in 13.3% of infants, with the majority of intraventricular hemorrhage being low-grade (grade I/II). The incidence increased as gestational age decreased such that intraventricular hemorrhage was present in 8.7% of term infants, 19.2% of late preterm infants, 26.3% of moderately preterm infants, and 53.3% of very preterm infants. There was no difference in intraventricular hemorrhage rates between cardiac diagnoses. Additionally, the rate of intraventricular hemorrhage did not increase after cardiac intervention, with only three infants demonstrating new/worsening high-grade (grade III/IV) intraventricular hemorrhage after surgery. In a multivariate model, only gestational age at birth and African-American race were predictors of intraventricular hemorrhage. In the subset of infants with CT/MRI data, there was good sensitivity and specificity of cranial ultrasound for presence of intraventricular hemorrhage. CONCLUSIONS: Infants with congenital heart disease commonly develop intraventricular hemorrhage, particularly when born preterm. However, the vast majority of intraventricular hemorrhage is low-grade and is associated with gestational age and African-American race. PMID- 29210925 TI - Frequency of Desaturation and Association With Hemodynamic Adverse Events During Tracheal Intubations in PICUs. AB - OBJECTIVES: Oxygen desaturation during tracheal intubation is known to be associated with adverse ICU outcomes in critically ill children. We aimed to determine the occurrence and severity of desaturation during tracheal intubations and the association with adverse hemodynamic tracheal intubation-associated events. DESIGN: Retrospective cohort study as a part of the National Emergency Airway Registry for Children Network's quality improvement project from January 2012 to December 2014. SETTING: International PICUs. PATIENTS: Critically ill children younger than 18 years undergoing primary tracheal intubations in the ICUs. INTERVENTIONS: tracheal intubation processes of care and outcomes were prospectively collected using standardized operational definitions. We defined moderate desaturation as oxygen saturation less than 80% and severe desaturation as oxygen saturation less than 70% during tracheal intubation procedures in children with initial oxygen saturation greater than 90% after preoxygenation. Adverse hemodynamic tracheal intubation-associated event was defined as cardiac arrests, hypo or hypertension requiring intervention, and dysrhythmia. MEASUREMENTS AND MAIN RESULTS: A total of 5,498 primary tracheal intubations from 31 ICUs were reported. Moderate desaturation was observed in 19.3% associated with adverse hemodynamic tracheal intubation-associated events (9.8% among children with moderate desaturation vs 4.4% without desaturation; p < 0.001). Severe desaturation was observed in 12.9% of tracheal intubations, also significantly associated with hemodynamic tracheal intubation-associated events. After adjusting for patient, provider, and practice factors, the occurrence of moderate desaturation was independently associated with hemodynamic tracheal intubation-associated events: adjusted odds ratio 1.83 (95% CI, 1.34-2.51; p < 0.001). The occurrence of severe desaturation was also independently associated with hemodynamic tracheal intubation-associated events: adjusted odds ratio 2.16 (95% CI, 1.54-3.04; p < 0.001). Number of tracheal intubation attempts was also significantly associated with the frequency of moderate and severe desaturations (p < 0.001). CONCLUSIONS: In this large tracheal intubation quality improvement database, we found moderate and severe desaturation are reported among 19% and 13% of all tracheal intubation encounters. Moderate and severe desaturations were independently associated with the occurrence of adverse hemodynamic events. Future quality improvement interventions may focus to reduce desaturation events. PMID- 29210926 TI - Hospital Readmissions After Pediatric Trauma. AB - OBJECTIVES: To determine the rate, etiology, and timing of unplanned and planned hospital readmissions and to identify risk factors for unplanned readmission in children who survive a hospitalization for trauma. DESIGN: Multicenter retrospective cohort study of a probabilistically linked dataset from the National Trauma Data Bank and the Pediatric Health Information System database, 2007-2012. SETTING: Twenty-nine U.S. children's hospitals. PATIENTS: 51,591 children (< 18 yr at admission) who survived more than or equal to a 2-day hospitalization for trauma. MEASUREMENTS AND MAIN RESULTS: The primary outcome was unplanned readmission within 1 year of discharge from the injury hospitalization. Secondary outcomes included any readmission, reason for readmission, time to readmission, and number of readmissions within 1 year of discharge. The primary exposure groups were isolated traumatic brain injury, both traumatic brain injury and other injury, or nontraumatic brain injury only. We hypothesized a priori that any traumatic brain injury would be associated with both planned and unplanned hospital readmission. We used All Patient Refined Diagnosis Related Groups codes to categorize readmissions by etiology and planned or unplanned. Overall, 4,301/49,982 of the patients (8.6%) with more than or equal to 1 year of observation time were readmitted to the same hospital within 1 year. Many readmissions were unplanned: 2,704/49,982 (5.4%) experienced an unplanned readmission in the first year. The most common reason for unplanned readmission was infection (22%), primarily postoperative or posttraumatic infection (38% of readmissions for infection). Traumatic brain injury was associated with lower odds of unplanned readmission in multivariable analyses. Seizure or RBC transfusion during the index hospitalization were the strongest predictors of unplanned, earlier, and multiple readmissions. CONCLUSIONS: Many survivors of pediatric trauma experience unplanned, and potentially preventable, hospital readmissions in the year after discharge. Identification of those at highest risk of readmission can guide targeted in-hospital or postdischarge interventions. PMID- 29210927 TI - Pediatric Critical Care Medicine Training: 2004-2016. AB - OBJECTIVES: To describe growth trends in the number of programs, positions, and applicants in pediatric critical care medicine fellowship training as part of the Pediatric Critical Care Medicine Training Study. DESIGN: Descriptive study. SETTINGS: Available archived Match data through the National Resident Matching Program and training data from the Accreditation Council for Graduate Medical Education. PATIENTS: None. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: We analyzed all data on programs, positions, and applicants through the National Resident Matching Program Specialties Matching Service during the study period of 2004 to 2016. We also analyzed available training data available through the Accreditation Council for Graduate Medical Education for the corresponding study period. During the 12-year study period, there was a statistically significant expansion in programs (38%), positions (82%), and applicants (151%). Correspondingly, the percentage of pediatric critical care medicine programs participating in the Match as a percentage of all Accreditation Council for Graduate Medical Education-accredited programs for that academic year increased 24%. As of 2015, 94% of total first year positions offered for pediatric critical care medicine were through the Match. CONCLUSIONS: For the period 2004 to 2016, there was a substantial increase in positions and applicants applying for training in pediatric critical care medicine. We document an increase in demand (i.e., applicants) that has been matched by an increase in supply (i.e., positions) for pediatric critical care medicine fellowship training. The nearly complete use of the National Resident Matching Program for placing applicants in training positions in pediatric critical care medicine suggests that these data can be used to inform workforce analysis in pediatric critical care medicine. PMID- 29210928 TI - Retinal Ganglion Cell Topography in Patients With Visual Pathway Pathology. AB - BACKGROUND: To investigate and quantify the impact of intracranial lesions at different locations within the visual pathway on the ganglion cell layer-inner plexiform layer (GCL-IPL) complex and the retinal nerve fiber layer (RNFL). METHODS: Patients with intracranial lesions affecting the optic chiasm (Group I) or the optic tract and/or lateral geniculate nucleus (Group II) were included. All patients received kinetic visual field assessment and underwent spectral domain optical coherence tomography. Peripapillary and papillomacular bundle (PMB) RNFL and macular GCL-IPL thickness in 4 perifoveal areas were measured and compared with normal values derived from 52 age-matched healthy control subjects. Z-scores for each parameter of every patient were calculated and compared with the normative data. Z-scores less than -2.0 (e.g., -2.5) were considered as being statistically significant. RESULTS: Twenty-two patients (Group I and II: 13 and 9, respectively) were included. Ten of 13 patients in Group I showed significant binasal GCL-IPL thinning, with associated temporal sector thinning in 8 patients. In Group II, all 9 patients showed significant reduction of the GCL-IPL corresponding to the homonymous visual field defect, but only 4 demonstrated RNFL thinning. Contralateral RNFL thinning within the PMB clinically similar to bow tie atrophy was evident in all patients in Group II. GCL-IPL and RNFL thinning varied in severity from mild (isolated PMB RNFL thickness reduction) to severe (bilateral asymmetrical reduction of PMB RNFL associated with asymmetric, predominantly nasal reduction of GCL-IPL) in Group I. CONCLUSION: Clinical abnormalities in patients with visual pathway lesions are more likely to demonstrate abnormalities of GCL-IPL than global peripapillary RNFL thickness. However, PMB thickness measurement appears to be a valuable tool to detect abnormalities of the anterior visual pathways. If peripapillary RNFL measurements are performed in such patients, PMB thickness should be considered the most useful quantitative parameter. PMID- 29210929 TI - Optic Disc Edema in Glial Fibrillary Acidic Protein Autoantibody-Positive Meningoencephalitis. AB - BACKGROUND: Glial fibrillary acidic protein (GFAP) autoantibody-positive meningoencephalitis is a newly described entity characterized by a corticosteroid responsive meningoencephalomyelitis. Some patients with GFAP autoantibody positive meningoencephalitis have been found to have optic disc edema, which has previously not been well characterized. METHODS: We performed a retrospective, observational case series of Mayo Clinic patients found to have GFAP-IgG and optic disc edema from January 1, 2000, to December 31, 2016. We identified 40 patients with GFAP-IgG seropositivity by tissue-based immunofluorescence and cell based assay. Patients were screened for the following inclusion criteria: 1) serum, cerebrospinal fluid, or both that yielded a characteristic astrocytic pattern of mouse tissue immunostaining with confirmation of IgG reactive with specific GFAPalpha isoform by cell-based assay; 2) meningoencephalitis or encephalitis; and 3) optic disc edema. We excluded those with coexisting aquaporin-4-IgG or insufficient clinical information. RESULTS: Ten patients had optic disc edema and met inclusion criteria. The median age was 39.5 years and 60% were men. Visual acuity was unaffected and disc edema was bilateral in all cases. Mild vitreous cell was noted in 3 patients. The optic disc edema resolved with corticosteroid treatment but resulted in mild optic atrophy in 2 patients. The median lumbar puncture opening pressure was 144 mm H2O (range, 84-298 mm H2O). Brain MRI revealed radial perivascular enhancement in all except 1 patient. Fluorescein angiography was available for 1 patient with optic disc edema, which showed leakage from the venules. CONCLUSIONS: Patients with GFAP autoantibody positive meningoencephalitis can have optic disc edema that can mimic papilledema. The cause of the optic disc edema remains uncertain, but most patients did not have raised intracranial pressure. PMID- 29210930 TI - Leber Hereditary Optic Neuropathy Caused by a Mitochondrial DNA 10663T>C Point Mutation and Its Response to Idebenone Treatment. PMID- 29210931 TI - Phase Angle Is Moderately Associated With Muscle Quality and Functional Capacity, Independent of Age and Body Composition in Older Women. AB - BACKGROUND AND PURPOSE: There is a growing body of evidence indicating that phase angle (PhA) can be used as an indicator of nutritional status, disease prognosis, and mortality risk; however, it is still unknown whether PhA can be used as an explanator of functional capacity and muscle quality in older women. The main purpose of this cross-sectional study was to explore whether PhA is associated with muscle quality and functional capacity in older women, regardless of total and regional body composition. METHODS: A total of 125 older women-66.7 (4.7) years; 65.6 (10.9) kg body mass; 156.1 (5.2) cm height; 26.9 (4.0) kg/m body mass index-participated in this study. Anthropometric, PhA, body composition (whole body dual-energy x-ray absorptiometry) and muscle quality (defined as total muscular strength per kilogram of appendicular lean soft tissue) were measured. The functional capacity was assessed by 4 tests: 10-m walk test, rising from sitting position, rising from ventral decubitus position, and rising from a chair and walking around the house. The summing z-scores for the 4 tests was used as a continuous functional capacity score. Linear regression analysis was conducted to test whether PhA is related to the dependent variables (muscle quality and functional capacity), after adjusting for potential covariates. RESULTS: The PhA presented a small-to-moderate relationship with muscle quality (r = 0.27; P < .01) and functional capacity (r = 0.31; P < .01), respectively. These relationships remained significant after adjustment for age, lower limb lean soft tissue, and total fat mass for muscle quality (beta = 0.55; P < .01) and functional capacity (beta = 1.38; P < .01). CONCLUSION: Our findings suggest that healthy elderly women with higher values of PhA have a better muscle quality and functionality, regardless of age and body composition. PMID- 29210932 TI - Score Distributions of the Balance Outcome Measure for Elder Rehabilitation (BOOMER) in Community-Dwelling Older Adults With Vertebral Fracture. AB - BACKGROUND AND PURPOSE: We sought to evaluate the Balance Outcome Measure for Elder Rehabilitation (BOOMER) in community-dwelling women 65 years and older with vertebral fracture and to describe score distributions and potential ceiling and floor effects. METHODS: This was a secondary data analysis of baseline data from the Build Better Bones with Exercise randomized controlled trial using the BOOMER. A total of 141 women with osteoporosis and radiographically confirmed vertebral fracture were included. Concurrent validity and internal consistency were assessed in comparison to the Short Physical Performance Battery (SPPB). Normality and ceiling/floor effects of total BOOMER scores and component test items were also assessed. Exploratory analyses of assistive aid use and falls history were performed. RESULTS AND DISCUSSION: Tests for concurrent validity demonstrated moderate correlation between total BOOMER and SPPB scores. The BOOMER component tests showed modest internal consistency. Substantial ceiling effect and nonnormal score distributions were present among overall sample and those not using assistive aids for total BOOMER scores, although scores were normally distributed for those using assistive aids. The static standing with eyes closed test demonstrated the greatest ceiling effects of the component tests, with 92% of participants achieving a maximal score. CONCLUSIONS: While the BOOMER compares well with the SPPB in community-dwelling women with vertebral fractures, researchers or clinicians considering using the BOOMER in similar or higher-functioning populations should be aware of the potential for ceiling effects. PMID- 29210933 TI - Two-Minute Step Test of Exercise Capacity: Systematic Review of Procedures, Performance, and Clinimetric Properties. AB - BACKGROUND AND PURPOSE: The 2-minute step test (TMST) is one of many alternatives for measuring exercise capacity. First introduced in 1999 as part of the Senior Fitness Test, the TMST has the advantage of requiring limited space, only a few minutes' time, and no expensive equipment. These advantages notwithstanding, the test must be clinimetrically sound if it is to be recommended. We sought therefore to summarize the literature addressing TMST performance and measurement properties. METHODS: Relevant literature was identified by searches of 3 electronic databases (PubMed, Scopus, and Cumulative Index of Nursing and Allied Health) and hand searches. Inclusion of an article required that it described use of the TMST of Rikli and Jones and that it focused on adults. Articles published in a language other than English were excluded. Studies were abstracted for information on participants, TMST description, and findings. RESULTS AND DISCUSSION: Thirty articles were deemed appropriate based on inclusion and exclusion criteria. The participants in the studies included community-dwelling healthy older adults and adults with assorted pathologies. Studies described varied methods of conducting the TMST. Among tests in which steps for one side were counted over a full 2 minutes, the mean number of steps among populations ranged from 29.1 for patients with chronic stroke to 110.8 for older osteoporotic women. Numerous reviewed studies provide support for the validity of the TMST. Only one study addressed reliability and none focused on responsiveness. Normative data have been proffered. CONCLUSIONS: The TMST has been widely used since first introduced, albeit not always as originally described. There is considerable evidence for the validity of the test, but its reliability and responsiveness are not yet firmly established. PMID- 29210934 TI - A Scoping Review of Physical Performance Outcome Measures Used in Exercise Interventions for Older Adults With Alzheimer Disease and Related Dementias. AB - BACKGROUND AND PURPOSE: There is growing evidence that exercise interventions can mitigate functional decline and reduce fall risk in older adults with Alzheimer disease and related dementias (ADRD). Although physical performance outcome measures have been successfully used in older adults without cognitive impairment, additional research is needed regarding their use with individuals who have ADRD, and who may have difficulty following instructions regarding performance of these measures. The purpose of this scoping review was to identify commonly used physical performance outcome measures, for exercise interventions, that are responsive and reliable in older adults with ADRD. Ultimately, we aimed to provide recommendations regarding the use of outcome measures for individuals with ADRD across several domains of physical performance. METHODS: A scoping review was conducted to broadly assess physical performance outcome measures used in exercise interventions for older adults with ADRD. Exercise intervention studies that included at least 1 measure of physical performance were included. All physical performance outcome measures were abstracted, coded, and categorized into 5 domains of physical performance: fitness, functional mobility, gait, balance, and strength. Criteria for recommendations were based on (1) the frequency of use, (2) responsiveness, and (3) reliability. Frequency was determined by the number of studies that used the outcome measure per physical performance domain. Responsiveness was assessed via calculated effect size of the outcome measures across studies within physical performance domains. Reliability was evaluated via published studies of psychometric properties. RESULTS AND DISCUSSION: A total of 20 physical performance outcome measures were extracted from 48 articles that met study inclusion criteria. The most frequently used outcome measures were the 6-minute walk test, Timed Up and Go, repeated chair stand tests, short-distance gait speed, the Berg Balance Scale, and isometric strength measures. These outcome measures demonstrated a small, medium, or large effect in at least 50% of the exercise intervention studies. Good to excellent reliability was reported in samples of older adults with mild to moderate dementia. Fitness, functional mobility, gait, balance, and strength represent important domains of physical performance for older adults. The 6-minute walk test, Timed Up and Go, repeated chair stand tests, short-distance gait speed, Berg Balance Scale, and isometric strength are recommended as commonly used and reliable physical performance outcome measures for exercise interventions in older adults with mild to moderate ADRD. Further research is needed on optimal measures for individuals with severe ADRD. CONCLUSIONS: The results of this review will aid clinicians and researchers in selecting reliable measures to evaluate physical performance outcomes in response to exercise interventions in older adults with ADRD. PMID- 29210935 TI - Performance of Different Timed Up and Go Subtasks in Frailty Syndrome. AB - BACKGROUND AND PURPOSE: Gait speed, mobility, and postural transitions should be taken into account in older adults with frailty syndrome and can be assessed by the Timed Up and Go (TUG) Test. However, it is unclear which TUG subtasks have greater influence in identifying frail people and whether prefrail individuals present with any reduced subtask performance. The objective of this study was to investigate the differences in performance of TUG subtasks between frail, prefrail, and nonfrail older adults. METHODS: A cross-sectional study was performed with community-dwelling older adults, including 43 nonfrail, 30 prefrail, and 7 frail individuals. The TUG subtasks (sit-to-stand, walking forward, turning, walking back, and turn-to-sit) were assessed using a Qualisys motion system. Data were captured by Qualisys Track Manager software and processed by Visual 3D software. The Matlab program was used to detect, separate, and analyze the TUG subtasks. Statistical significance was set at alpha = .05 and SigmaPlot software (11.0) was used. RESULTS AND DISCUSSION: The total time to complete the TUG was significantly longer among frail participants than among those who were prefrail and nonfrail. Statistically significant differences in temporal parameters in the turning, walking forward, and walking back subtasks between nonfrail/prefrail and frail older people were found. In addition, the transition TUG subtasks (average and peak velocities of the trunk) distinguished the frail group from the other groups, demonstrating altered quality of movement. CONCLUSIONS: The findings support the value of analyzing the TUG subtasks to improve understanding of mobility impairment in frailty syndrome. PMID- 29210937 TI - RETINOBLASTOMA IN INDIA: Clinical Presentation and Outcome in 1,457 Patients (2,074 Eyes). AB - PURPOSE: To study the clinical presentation, treatment, and outcome of patients with retinoblastoma (RB) in India. METHODS: Retrospective study of 1,457 patients with RB (2,074 eyes). RESULTS: The mean age at presentation of RB was 29 months (median, 24 months; range, <1-370 months). There were 812 (56%) men and 645 (44%) women with unilateral presentation of RB in 57% (n = 834) and bilateral in 43% (n = 623). Familial RB was present in 4% (n = 55). The most common presenting complaints included leukocoria (n = 1,100; 75%), proptosis (n = 91; 6%), strabismus (n = 77; 5%), and red eye (n = 68; 5%). Most (n = 1,889; 91%) tumors were intraocular in location, and 185 (n = 185; 9%) had extraocular tumor extension at presentation. The most common modalities of primary treatment included systemic chemotherapy (n = 1,171; 60%) and enucleation (n = 674; 35%). At a mean follow-up period of 44 months (median, 30 months; range, 3-234 months), 92% (n = 1,206) were alive, and 108 (8%) patients died because of RB. Based on Kaplan-Meier analysis, the survival at 1, 3, 5, and 10 years was 94%, 91%, 90%, and 89%, respectively. CONCLUSION: The most common presenting signs of RB in Asian Indian population are leukocoria and proptosis. With appropriate treatment, the survival rate is favorable at 92%. PMID- 29210938 TI - Intraoperative Optical Coherence Tomography Imaging of the Peripheral Vitreous and Retina. PMID- 29210939 TI - VASCULAR REMODELING OF CHOROIDAL NEOVASCULARIZATION AFTER ANTI-VASCULAR ENDOTHELIAL GROWTH FACTOR THERAPY VISUALIZED ON OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY. AB - PURPOSE: To describe the qualitative and quantitative changes in choroidal neovascularization (CNV) flow pattern after anti-vascular endothelial growth factor therapy, by optical coherence tomography angiography (OCTA). METHODS: Consecutive patients with neovascular age-related macular degeneration underwent multimodal imaging, including OCTA at initial examination and at last visit. High flow networks in the choriocapillaris segmentation of OCTA were qualitatively and quantitatively analyzed at baseline and at follow-up, to characterize vascular flow changes after anti-vascular endothelial growth factor treatment and to correlate these changes with final exudation signs on spectral domain optical coherence tomography. RESULTS: Seventeen eyes were included. Mean follow-up was of 11.7 +/- 3.3 months. Baseline images showed six medusa pattern (35.3%), four seafan pattern (23.5%), and seven indistinct network patterns (41.2%). Mean CNV area at baseline was 1.58 +/- 1.72 mm. Final OCTA images revealed a decrease in CNV total area of 21.6%. In 6/17 eyes, the baseline neovascular pattern was unchanged; these cases were associated with exudation at the final spectral domain optical coherence tomography examination (P = 0.034) and a decrease in CNV area of 34.1%. Conversely, in 11/17 eyes (64.7%), the initial pattern had changed to a pruned vascular tree pattern, with variable exudative status on spectral domain optical coherence tomography at the final visit and a decrease in total CNV area of 0.07%. CONCLUSION: The vascular flow remodeling induced by recurrent anti-vascular endothelial growth factor treatment can be assessed by OCTA. Optical coherence tomography angiography may help to accurately evaluate treatment response and to recognize patterns usually associated with recurrent exudative activity. PMID- 29210936 TI - OPTICAL COHERENCE TOMOGRAPHY AND HISTOLOGY OF AGE-RELATED MACULAR DEGENERATION SUPPORT MITOCHONDRIA AS REFLECTIVITY SOURCES. AB - PURPOSE: Widespread adoption of optical coherence tomography has revolutionized the diagnosis and management of retinal disease. If the cellular and subcellular sources of reflectivity in optical coherence tomography can be identified, the value of this technology will be advanced even further toward precision medicine, mechanistic thinking, and molecular discovery. Four hyperreflective outer retinal bands are created by the exquisite arrangement of photoreceptors, Muller cells, retinal pigment epithelium, and Bruch membrane. Because of massed effects of these axially compartmentalized and transversely aligned cells, reflectivity can be localized to the subcellular level. This review focuses on the second of the four bands, called ellipsoid zone in a consensus clinical lexicon, with the central thesis that mitochondria in photoreceptor inner segments are a major independent reflectivity source in this band, because of Mie scattering and waveguiding. METHODS: We review the evolution of Band 2 nomenclature in published literature and discuss the origins of imaging signals from photoreceptor mitochondria that could make these organelles visible in vivo. RESULTS: Our recent data pertain to outer retinal tubulation, a unique neurodegenerative and gliotic structure with a highly reflective border, prominent in late age-related macular degeneration. High-resolution histology and multimodal imaging of outer retinal tubulation together provide evidence that inner segment mitochondria undergoing fission and translocation toward the nucleus provide the reflectivity signal. CONCLUSION: Our data support adoption of the ellipsoid zone nomenclature. Identifying subcellular signal sources will newly inform clinical. PMID- 29210940 TI - INTERNAL LIMITING MEMBRANE PEELING IN MACULAR HOLE SURGERY; WHY, WHEN, AND HOW? AB - PURPOSE: To review the current rationale for internal limiting membrane (ILM) peeling in macular hole (MH) surgery and to discuss the evidence base behind why, when, and how surgeons peel the ILM. METHODS: Review of the current literature. RESULTS: Pars plana vitrectomy is an effective treatment for idiopathic MH, and peeling of the ILM has been shown to improve closure rates and to prevent postoperative reopening. However, some authors argue against ILM peeling because it results in a number of changes in retinal structure and function and may not be necessary in all cases. Furthermore, the extent of ILM peeling optimally performed and the most favorable techniques to remove the ILM are uncertain. Several technique variations including ILM flaps, ILM scraping, and foveal sparing ILM peeling have been described as alternatives to conventional peeling in specific clinical scenarios. CONCLUSION: Internal limiting membrane peeling improves MH closure rates but can have several consequences on retinal structure and function. Adjuvants to aid peeling, instrumentation, technique, and experience may all alter the outcome. Hole size and other variables are important in assessing the requirement for peeling and potentially its extent. A variety of evolving alternatives to conventional peeling may improve outcomes and need further study. PMID- 29210941 TI - COMBINED AUTOLOGOUS TRANSPLANTATION OF NEUROSENSORY RETINA, RETINAL PIGMENT EPITHELIUM, AND CHOROID FREE GRAFTS. AB - PURPOSE: To evaluate the feasibility and initial functional and anatomical outcomes of transplanting a full-thickness free graft of choroid and retinal pigment epithelium (RPE), along with neurosensory retina in advanced fibrosis and atrophy associated with end-stage exudative age-related macular degeneration with and without a concurrent refractory macular hole. METHODS: During vitrectomy, an RPE-choroidal and neurosensory retinal free graft was harvested in nine eyes of nine patients. The RPE-choroidal and neurosensory retinal free graft was either placed subretinally (n = 5), intraretinally to cover the foveal area inside an iatrogenically induced macular hole over the RPE-choroidal graft (n = 3) or preretinally (n = 1) without a retinotomy wherein both free grafts were placed over the concurrent macular hole. Silicone oil endotamponade was used in all cases. RESULTS: Mean follow-up was 7 +/- 5.5 months (range 3-19). The mean preoperative visual acuity was ~count fingers (logarithm of the minimum angle of resolution = 2.11, range 2-3), which improved to ~20/800 (logarithm of the minimum angle of resolution 1.62 +/- 0.48, range 0.7-2, P = 0.04). Vision was stable in 5 eyes (55.6%) and improved in 4 eyes (44.4%). Reading ability improved in 5 eyes (55.6%). Postoperative complications were graft atrophy (n = 1), epiretinal membrane (n = 1), and dislocation of neurosensory retina-choroid-RPE free graft (n = 1). CONCLUSION: Combined autologous RPE-choroid and neurosensory retinal free graft is a potential surgical alternative in eyes with end-stage exudative age-related macular degeneration, including concurrent refractory macular hole. PMID- 29210942 TI - Auditory Related Resting State fMRI Functional Connectivity in Tinnitus Patients: Tinnitus Diagnosis Performance. AB - OBJECTIVE: The purpose of the present study was to investigate functional connectivity in tinnitus patients with and without hearing loss, and design the tinnitus diagnosis performance by resting state functional magnetic resonance imaging (rs-fMRI). SUBJECTS AND METHODS: Nineteen volunteers with normal hearing without tinnitus, 18 tinnitus patients with hearing loss, and 11 tinnitus patients without hearing loss were enrolled in this study. The subjects were evaluated with rs-fMRI, and region of interests (ROIs) based correlation analyses were performed using the CONN toolbox version 16 and SPM version 8. The correlation coefficients from individual level results were converted into beta values. RESULTS: With a beta threshold of more than 0.2, 91% of all possible connections between auditory-related ROIs (Heschl's gyrus, planum temporale, planum polare, operculum, insular cortex, superior temporal gyrus) in the control group remained intact, whereas 83 and 66% of such connections were present in the hearing loss and the normal-hearing tinnitus group. However, between non-auditory related ROIs, the rates of intact connections at a beta threshold of more than 0.2 were 17% in the control group, and 16 and 15% in the tinnitus groups. When resting state fMRI positive is defined as less than 9% of all possible connections between auditory-related ROIs with a beta threshold of more than 0.7, the sensitivity and specificity of tinnitus diagnosis is 86 and 74%, respectively. CONCLUSIONS: The associations between auditory-related networks are weakened in tinnitus patients, even if they have normal hearing. It is possible that rs-fMRI can be a tool for objective examination of tinnitus, by focusing the auditory-related areas. PMID- 29210943 TI - Survey of the American Neurotology Society on Cochlear Implantation: Part 2, Surgical and Device-Related Practice Patterns. AB - OBJECTIVE: To examine surgical and device-related cochlear implant practice patterns across centers in the United States. METHODS: Cross-sectional survey of the American Neurotology Society (ANS). RESULTS: A total of 81 surveys were returned from ANS members who report regular involvement in cochlear implant care. Overall there was a broad distribution in age and clinical experience, with most respondents reporting Accreditation Council for Graduate Medical Education (ACGME) accreditation in neurotology and employment at an academic center. The annual volume of cochlear implant surgeries varied considerably across centers. Eighty percent of respondents report to offer all three Food and Drug Administration (FDA) approved device brands at their center.In cases where hearing preservation is not a goal, 56% of respondents prefer a perimodiolar electrode design, while 44% prefer a lateral wall electrode. With regard to insertion technique for scala tympani access, 64% prefer inserting through the round window (RW) membrane, 26% prefer an extended round window (ERW) approach, while only 10% prefer a cochleostomy. In cases where hearing preservation is a goal of surgery, 86% of respondents prefer a lateral wall electrode design, while only 14% prefer a perimodiolar electrode design. With regard to insertion technique, 86% prefer RW insertion, while only 9% prefer an ERW approach, and only 5% prefer a cochleostomy. Respondents who prefer RW electrode insertion more commonly use a lateral wall electrode, whereas those who prefer an ERW or cochleostomy approach more commonly use a periomodiolar electrode (p < 0.001). There was a statistically significant greater number of surgeons that prefer lateral wall electrodes (p < 0.001) and RW insertion (p < 0.001) for hearing preservation cases compared with non-hearing preservation cases. For implantation of a hypothetical patient with significant residual hearing, within the range of hybrid device candidacy, the great majority of surgeons prefer a conventional length electrode and only 29% prefer to implant a hybrid device.In cases where hearing preservation is a goal, the overwhelming majority of respondents (96%, n = 74) reported using at least one form of steroid application. Ninety-two percent (n = 71) used intraoperative intravenous steroids, 55% (n = 42) prescribed postoperative oral steroids, 44% (n = 34) bathed the middle ear with steroids during surgery, and 30% (n = 23) prescribed preoperative oral steroids.Together, 65% of respondents use a variation of the tight subperiosteal pocket technique for internal device fixation, 19% prefer a bony well and trough with tie-downs, 10% prefer a bony well and trough without tie-downs, and 5% prefer a screw fixation system. Of the 50 who prefer utilizing a subperiosteal pocket, 31 (62%) incorporate a bony trough and 19 (38%) perform a subperiosteal pocket alone without a bony trough. CONCLUSION: The results of this survey reflect the evolution in surgical and device-related preferences for cochlear implantation in the United States. An increasing number of surgeons prefer the RW approach for electrode insertion. When hearing preservation is not a goal, there is a near even preference for lateral wall and perimodiolar electrode designs; however, the great majority of surgeons prefer a lateral wall design when attempting to preserve residual acoustic hearing. Even in cases where substantial residual hearing exists, many surgeons prefer conventional length electrodes to hybrid designs. These changes reflect the prioritization of atraumatic surgery and parallel the development of thinner and more atraumatic electrodes. PMID- 29210944 TI - Stapes Release in Tympanosclerosis. AB - : Tympanosclerosis in the middle ear space is common in Ethiopia and often involves the ossicles and particularly the stapes. Ear operations in Ethiopia are relatively expensive in this country of limited medical resources and a low average living wage. In this setting, 2-stage operations using prostheses become prohibitively expensive. Therefore, the recommended 2-stage approach for tympanic membrane perforation with tympanosclerosis and stapes fixation is impractical for Ethiopia.We present a series of 67 patients who had a single stage tympanoplasty, removal of tympanosclerosis from the stapes suprastructure, and ossicular chain reconstruction using ossicular interposition. Crucial is the surgical technique employed for peeling the mound of tympanosclerotic plaque off of the stapes, which we term the stapes release. Controls were 67 patients with similar perforations and air-bone gap, but no tympanosclerosis. Most controls had ossciular discontinuity and were reconstructed with type III tympanoplasty.Air bone gap improved in both groups: 18 dB (11 dB standard deviation) in the stapes release group, and 23 dB (11 dB standard deviation) in the control group. Paired t test found these improvements in each group significant at p < 0.001. Among the preoperative subjects there were 40 with air-bone gap greater than 45 dB, and none less than 20 dB. Among the postoperative subjects, none had air-bone gap worse than 45 dB, while 25/67 (37%) stapes release and 44/67 (66%) controls had air-bone gap better than 20 dB. Three patients in each group failed to close their perforations completely (96% closure rate).The only complications were two early cases of transient facial nerve weakness, which was avoided in subsequent cases by an alteration in technique. There was no deterioration of sensorineural hearing levels in either group's subjects postoperatively.In conclusion, stapes release with ossicular interposition can be performed at the same time as tympanoplasty without exacerbation of sensorineural hearing loss. Tympanic membrane closure and hearing levels were similar between patients with and without stapes fixation from tympanosclerosis. PMID- 29210945 TI - RE.: THE PAPER "IMPACT OF COCHLEAR IMPLANTATION ON COGNITIVE FUNCTIONS OF OLDER ADULTS: PILOT TEST RESULTS," RECENTLY PUBLISHED IN OTOLOGY & NEUROTOLOGY (38:E289 E295_2017). PMID- 29210946 TI - Transcanal Endoscopic Ear Surgery to Treat Middle-Ear Cholesteatoma Should be Performed Cautiously. PMID- 29210947 TI - Toward Optimizing Cervical Vestibular Evoked Myogenic Potentials (cVEMP): Combining Air-Bone Gap and cVEMP Thresholds to Improve Diagnosis of Superior Canal Dehiscence. AB - OBJECTIVE: To develop a novel approach combining low-frequency air-bone gap (ABG) and cervical vestibular evoked myogenic potential (cVEMP) thresholds to improve screening for superior canal dehiscence (SCD) syndrome. STUDY DESIGN: Retrospective study. SETTING: Tertiary care center. PATIENTS: One hundred forty patients with SCD and 21 healthy age-matched controls were included. Ears for each patient were divided into three groups based on computed tomography (CT) findings: 1) dehiscent, 2) thin, or 3) unaffected. MAIN OUTCOME MEASURES: cVEMP and audiometric thresholds were analyzed and differences among groups were evaluated. RESULTS: We define the third window indicator (TWI) as the cVEMP thresholds at 500, 750, and 1000 Hz adjusted for the ABG at 250 Hz (i.e., subtracting ABG from cVEMP threshold). The TWI differentiates between dehiscent and nondehiscent control ears with a sensitivity of 82% and specificity of 100%, corresponding to a positive predictive value of 100%. ABGs and cVEMP thresholds were similar for healthy controls and patients with thin bone over the superior canal. CONCLUSION: This is the largest study to date examining the usefulness of cVEMPs in the diagnosis of SCD. Our "third window indicator" (TWI) combines cVEMP thresholds with the ABG at 250 Hz to improve the ability to screen patients with SCD symptoms. PMID- 29210948 TI - Cochlear Implantation in a Patient With Sickle Cell Disease With Early Cochlear Sclerosis. AB - OBJECTIVE: We report a case of bilateral sudden sensorineural hearing loss (SNHL) and early cochlear sclerosis in a patient with sickle cell disease. METHODS: A 19 year-old female presented with sequential bilateral sudden SNHL and early cochlear sclerosis. Cochlear implantation was performed. RESULTS: Early cochlear fibrosis in the hook region and basal turn was encountered within a few months of deafness. Implantation required serial dilation using various insertion guides. Postsurgical telemetry readings revealed 19 electrodes (7 paired basal electrodes, 5 single apical electrodes) in a good working order with low impedances in bilateral ears. Activation of the processors successfully provided access to the speech frequency range in both the ears. CONCLUSION: This is the first case of intraoperative documentation of rapid cochlear sclerosis in a patient with SNHL caused by sickle cell disease. Early cochlear implantation should be considered in these patients, and otolaryngologists should be aware of the possibility of rapid cochlear sclerosis without ossification in these patients. PMID- 29210949 TI - Clinical Characteristics and Treatment Outcomes for Patients With External Auditory Canal Cholesteatoma. AB - OBJECTIVE: We aimed to evaluate the clinical features and treatment outcomes for patients with idiopathic and secondary external auditory canal cholesteatoma (EACC), and to validate the treatment strategy from the perspective of hearing as well as etiology and staging. STUDY DESIGN: Retrospective case series. SETTING: Tertiary referral center and affiliated hospitals. PATIENTS: Fifty-eight patients with idiopathic EACC and 14 patients with secondary EACC. INTERVENTION: Conservative management and surgery. MAIN OUTCOME MEASURE: Air conduction (AC) pure-tone averages (PTAs) and mean air-bone gaps (ABGs). RESULTS: There were no significant differences between hearing values before and after conservative management for idiopathic EACC patients with stages I-III, indicating that hearing abilities were preserved. For idiopathic EACC patients with stage IV disease treated with surgery, the AC PTA threshold and mean ABG significantly improved from a preoperative value of 60.3 dB HL to a postoperative value of 32.4 dB HL (p = 0.013), and from 34.3 to 9.5 dB HL (p < 0.001), respectively. For secondary EACC, the AC PTA threshold and mean ABG significantly improved from a preoperative value of 49.5 dB HL to a postoperative value of 23.2 dB HL (p < 0.001), and from 31.4 to 6.7 dB HL (p < 0.001), respectively. CONCLUSION: The treatment modalities should be selected based on the perspective of hearing as well as the extent of disease and etiology. The early lesions can be treated conservatively, whereas the advanced lesions or cases refractory to conservative management require complete surgical removal of EACC. PMID- 29210950 TI - A Prospective Study of Pain From Magnetic Resonance Imaging With Cochlear Implant Magnets In Situ. AB - OBJECTIVE: To describe changes in pain associated with magnetic resonance imaging (MRI) with cochlear implant magnets in place. STUDY DESIGN: Prospective, single arm study. SETTING: Tertiary referral center. SUBJECTS: Adults with cochlear implants requiring MRI. INTERVENTION: Tight head wrapping over internal device during MRI. MAIN OUTCOME MEASURES: Change in pain score using an 11-point visual analogue scale, duration/completion of MRI, body mass index (BMI), quality of pain, status of the skin, functioning of implant, displacement/polarity change of magnet, willingness to repeat MRI without magnet removal. RESULTS: A total of 27 subjects obtained 42 MRI scans. Subjects were 59% male with age range of 21 to 80 years. All three manufacturers were represented. Forty-eight percent of scans imaged the brain/head while 52% imaged other sites. The mean individual change in pain was 3.9 (SD 3.5, range 0-10). The pain was most commonly described as "pressure", "heat", or "sharp". There was no significant correlation between change in pain and scan duration, BMI, or body part imaged. Eighty-eight percent of the scans were completed. There were no skin complications except temporary erythema (29%) and there were no magnet/device complications. Eighty-eight percent said they would undergo MRI without magnet removal again. CONCLUSION: The pain associated with obtaining an MRI without cochlear implant magnet removal is highly variable. Increase in pain is not related to duration of MRI scan, body part imaged, or BMI. Despite the pain, almost all patients prefer MRI scanning with the magnet in place, to avoid two surgical procedures. PMID- 29210951 TI - Health Burden and Socioeconomic Disparities From Hearing Loss: A Global Perspective. AB - OBJECTIVES/HYPOTHESIS: To characterize the disability-related health burden of hearing loss (HL) at a global level, with a focus on socioeconomic health disparities. METHODS: The global burden of HL, as calculated by disability adjusted life years (DALYs) per 100,000 individuals, was evaluated for 184 countries. Data from 5-year intervals encompassing 1990 to 2015 were organized by human development index (HDI) categorizations as specified by the U.N. Development Program (UNDP). Gini coefficients and concentration indices were used to evaluate global inequality in HL burden over this time period. RESULTS: There was a global lack of improvement in hearing loss burden over 25 years. National HL burden, as measured by age-standardized DALYs, had an inverse relationship with successive level of development (p < 0.0001). Global inequalities in HL burden as measured by the concentration index decreased from 1990 to 2005, remained stable between 2005 and 2010, and slightly increased from 2010 to 2015. Central Sub-Saharan Africa, followed by Eastern Sub-Saharan Africa and South Asia, had the greatest rates of disease burden in 2015. CONCLUSIONS: To our knowledge, this analysis is the first to investigate socioeconomic-related inequalities in hearing loss burden using statistical tools such as the Gini coefficient and concentration index. Although inequalities have largely decreased in recent decades, the global burden of hearing loss remains high and there are recent signs of increased inequality. These data suggest that a greater distribution of hearing care resources may need to be directed towards developing countries to combat global hearing loss burden. LEVEL OF EVIDENCE: III. PMID- 29210952 TI - Survey of the American Neurotology Society on Cochlear Implantation: Part 1, Candidacy Assessment and Expanding Indications. AB - OBJECTIVE: To examine practice variance of cochlear implant candidacy assessment and off-label indications across centers in the United States. METHODS: Cross sectional survey of the American Neurotology Society (ANS). RESULTS: A total of 81 surveys were returned from ANS members who report regular involvement in cochlear implant care. Overall there was a broad distribution in age and clinical experience, with most respondents reporting ACGME accreditation in neurotology and employment at an academic center. The annual volume of cochlear implant surgeries varied considerably across centers.Seventy-eight percent of respondents performed cochlear implantation for at least one of the following indications within the last 2 years: profound hearing loss in children less than 12 months of age (35, 43%), children with asymmetrical hearing loss where at least one ear was better than performance cutoff for age (25, 31%), adults with asymmetrical hearing where at least one ear was better than the performance cutoff for adult criteria (49, 61%), single-sided deafness (37, 46%), and ipsilateral vestibular schwannoma (28, 35%). Centers with a higher annual implant volume more frequently performed off-label implantation in all queried populations (all, p<=0.001), and performed surgery on infants with congenital deafness at a younger age (p = 0.013), compared with centers with lower surgical volume.When surveyed regarding speech perception testing practices for adult candidacy assessment, 75 (100%) respondents who answered this question reported routine use of AzBio sentences, 42 (56%) CNC word scores, and 26 (35%) HINT testing; only 7 (9%) reported using BKB-SIN testing and 6 (8%) reported using CUNY scores. Fifty-one (68%) reported routine use of speech-in-noise testing to determine adult cochlear implant candidacy, 21 (28%) reported selective use only when patient scores were borderline in quiet, and 3 (4%) reported that their center does not currently use testing in noise for candidacy determination. Nineteen (26%) solely used +10 dB signal-to-noise ratio (SNR), 12 (16%) solely used +5 dB SNR, and 41 (55%) used both +10 and +5 dB SNR. Overall, 19% (N = 14) only perform unilateral implantation in the Medicare population, while 81% (N = 58) consider bilateral implantation. CONCLUSION: Significant variation in cochlear implant candidacy assessment and off-label implantation exists across centers and providers in the United States resulting in healthcare inequities. The high percentage of surgeons performing implantations for off-label or nontraditional indications reflects the overly restrictive and dated status of current implant guidelines. With greater adoption of more difficult speech perception testing in noise, careful clinical judgment is needed to maintain a favorable risk-benefit balance for prospective implant candidates. PMID- 29210953 TI - Acute effect of citrulline malate supplementation on upper-body resistance exercise performance in recreationally resistance-trained men. AB - To investigate the effect of citrulline malate (CM) supplementation on upper-body resistance exercise performance, twelve recreationally resistance-trained men (21.4+/-1.6 y; 163.0+/-46.2 cm; 85.0+/-12.4 kg) underwent two testing sessions administered in a randomized, double-blind fashion. During each visit, participants were provided either 8 g of CM or a placebo (PL) 40 min prior to beginning a standardized warm-up and initiating a barbell bench press resistance exercise protocol consisting of 5 sets of 15 repetitions at 75% 1RM with 2-minute rest intervals. Participants were instructed to complete as many repetitions as possible until either reaching 15 repetitions or muscular failure. Total number of repetitions performed and power output were recorded for each set. Subjective measures of energy, focus, fatigue, and perceived exertion, along with muscle thickness of the triceps brachii, were assessed before and after exercise. Significant (p<0.05) main effects for time were observed for all variables except for subjective feelings of energy (p=0.085). A group * time interaction (F=2.86, p=0.034, n=0.21) was observed for repetitions performed, where participants performed more (p=0.015) repetitions on set 3 during PL (5.7+/-1.2 repetitions) compared to CM (4.6+/-1.2 repetitions). However, during set 4, participants tended (p=0.089) to perform more repetitions during CM (4.8+/-1.8 repetitions) compared to PL (4.3+/-1.3 repetitions). No other differences were observed between trials. Supplementation with 8 grams of CM 40 min prior to the barbell bench press resistance exercise protocol did not increase exercise performance, augment the muscle swelling response to training, or alter subjective measures of focus, energy, and fatigue in recreationally resistance-trained men. PMID- 29210954 TI - Examining the Influence of Exercise Intensity and Hydration on Gastrointestinal Temperature in Collegiate Football Players. AB - DeMartini-Nolan, JK, Martschinske, JL, Casa, DJ, Lopez, RM, Stearns, RL, Ganio, MS, and Coris, E. Examining the influence of exercise intensity and hydration on gastrointestinal temperature in collegiate football players. J Strength Cond Res 32(10): 2888-2896, 2018-Debate exists regarding the influence of intensity and hydration on body temperature during American football. The purpose of this study was to observe body core temperature responses with changes in intensity and hydration. Twenty-nine male football players (age = 21 +/- 1 year, height = 187 +/- 9 cm, mass = 110.1 +/- 23.5 kg, body mass index [BMI] = 31.3 +/- 5.0, and body surface area [BSA] = 2.34 +/- 0.27 m) participated in 8 days of practice in a warm environment (wet bulb globe temperature: 29.6 +/- 1.6 degrees C). Participants were identified as starters (S; n = 12) or nonstarters (n = 17) and linemen (L; n = 14) or nonlinemen (NL; n = 15). Variables of interest included core body temperature (T), hydration status, and physical performance characteristics as measured by a global positioning system. Intensity measures of average heart rate (138 +/- 9 bpm), low-velocity movement (4.2 +/- 1.7%), high velocity movement (0.6 +/- 0.6%), and average velocity (0.36 +/- 0.10 m.s) accounted for 42% of the variability observed in T (38.32 +/- 0.34 degrees C, r = 0.65, p = 0.01). Hydration measures (percent body mass loss = -1.56 +/- 0.80%, urine specific gravity [Usg] = 1.025 +/- 0.006, and urine color [Ucol] = 6 +/- 1) did not add to the prediction of T (p = 0.83). Metrics of exercise intensity accounted for 39% of the variability observed in maximum T (38.83 +/- 0.42 degrees C, r = 0.62, p = 0.02). Hydration measures did not add to this prediction (p = 0.40). Low-velocity movement, high-velocity movement, average velocity, BMI, and BSA were significantly different (p = 0.002, p < 0.001, p = 0.02, p < 0.001, p < 0.001, respectively) between L vs. NL. Heart rate and T were not different between L and NL (p > 0.05). Exercise intensity primarily accounted for the rise in core body temperature. Although L spent less time at higher velocities, T was similar to NL, suggesting that differences in BMI and BSA added to thermoregulatory strain. PMID- 29210955 TI - Comparison Between Power Off-Ice Test and Performance on-Ice Anaerobic Testing. AB - The importance of specific testing has been shown in ice hockey performance and the understanding and connection between them may lead to adapting training and follow up in elite athletes. The aim of the present study was to compare two off ice power tests with performances on ice with a complete professional hockey team. The broad jump test and the vertical jump test were used for the off-ice evaluations, while the SAS-40 and the repeated skate sprint modify (RSSm) tests were used as the performance variables. 31 players (3 goalkeepers, 10 defence players and 18 forward players) from the National Hockey League (NHL) performed during a summer camp. Study includes four evaluation sessions with a 48-hour time interval in each test. All dependent variables were expressed by their means and standard deviations form (Mean SD). Correlation analyses were conducted for each group to establish the relation between off-ice tests and the on-ice performance test. The two jumps were correlated (r2= 0.45 p<0.01). There was a significant correlation between vertical jump and best trial during SAS-40 for the defence player but not for forward players (r2= 0.76 p=0.02; r2= 0.21 p= 0.16 respectively). There was a significant correlation between broad jump and best trial during SAS-40 for forward players but not for defensive players (r2= 0.75 p<0.01; r2= 0.19 p= 0.28 respectively).Results of this study seem to show that the positions have specific ability needs in assessment and that needs to be taken into consideration for the choice of tests, mostly during the off-ice tests. PMID- 29210956 TI - Motor Skills of Obese and Severely Obese Children and Adolescents - A CIRCUIT Study. AB - During childhood, excessive weight is negatively associated with the development of motor skills, with children with overweight or obesity having poorer motor skills compared to children with normal weight. The objectives of the current study are to identify the differences in motor skills between children and adolescent with obesity and severe obesity and the extent of this difference. To do so, we examined cross-sectionally 165 subjects. Physical fitness was analyzed in both participants with obesity (>97-99.9 BMI percentile) and severe obesity (>99.9 BMI percentile) using eight standardized tests: sit-and-reach, grip force, sit-ups, push-ups, balance, hand-eye coordination, standing long jump and 5-meter shuttle run. Poorer performance were observed in participants with severe obesity in sit-ups (children: 59%; 18.6+/-17.0 percentile value vs. 29.5+/-23.2 percentile value, p=0.008), balance (adolescent: 59%; 12.1+/-12.2 sec. v. 19.3+/ 13.9 sec., p=0.034) and in the 5-meter shuttle run (children: 49%; 14.0+/-13.9 percentile value vs. 20.8 +/- 19.4 percentile value, p=0.046; adolescents: 11%; 13.2+/-2.2 sec. vs. 11.8+/-1.6 sec., p=0.008) compared to obese counterparts. In conclusion, while physical performance was found to be similar between the different obesity levels for the majority of tests, youth with severe obesity demonstrated impairments ranging from 11 to 59% in specific tests. PMID- 29210957 TI - The Physiological and Performance Effects of Caffeine Gum Consumed During A Simulated Half-Time By Professional Academy Rugby Union Players. AB - Despite the prevalence of caffeine as an ergogenic aid, few studies have examined the use of caffeinated gums, especially during half-time in team sports. The physiological (blood lactate, salivary hormone concentrations) and performance (repeated sprints, cognitive function) effects of consuming caffeine gum during a simulated half-time were examined. Professional academy rugby union players (n=14) completed this double-blind, randomized, counterbalanced study. Following pre-exercise measurements , players chewed a placebo (PL) gum for five min before a standardized warm-up and completing repeated sprint testing (RSSA1). Thereafter, during a 15 min simulated half-time period, players chewed either caffeine (CAF: 400 mg; 4.1 +/- 0.5 mg.kg) or PL gum for five min before completing a second repeated sprint test (RSSA2). Blood lactate, salivary testosterone and cortisol concentrations, and indices of cognitive function (i.e., reaction time and Stroop test) were measured at baseline, pre-RSSA1, post RSSA1, pre-RSSA2 and post-RSSA2. Sprint performance was not affected by CAF (P=0.995) despite slower sprint times following the first sprint of both RSSA tests (all P<0.002). Following half-time, salivary testosterone increased by 70% (+97+/-58 pg.mL) in CAF versus PLA (P<0.001) whereas salivary cortisol remained unchanged (P=0.307). Cognitive performance was unaffected by time and trial (all P>0.05). Although performance effects were absent, chewing caffeine gum increased the salivary testosterone concentrations of professional rugby union players over a simulated half-time. Practitioners may therefore choose to recommend caffeine gum between successive exercise bouts due to the increases in salivary testosterone observed; a variable associated with increased motivation and high intensity exercise performance. PMID- 29210958 TI - Reliability and Validity of a Submaximal Warm-up Test for Monitoring Training Status in Professional Soccer Players. AB - Rabbani, A, Kargarfard, M, and Twist, C. Reliability and validity of a submaximal warm-up test for monitoring training status in professional soccer players. J Strength Cond Res 32(2): 326-333, 2018-Two studies were conducted to assess the reliability and validity of a submaximal warm-up test (SWT) in professional soccer players. For the reliability study, 12 male players performed an SWT over 3 trials, with 1 week between trials. For the validity study, 14 players of the same team performed an SWT and a 30-15 intermittent fitness test (30-15IFT) 7 days apart. Week-to-week reliability in selected heart rate (HR) responses (exercise heart rate [HRex], heart rate recovery [HRR] expressed as the number of beats recovered within 1 minute [HRR60s], and HRR expressed as the mean HR during 1 minute [HRpost1]) was determined using the intraclass correlation coefficient (ICC) and typical error of measurement expressed as coefficient of variation (CV). The relationships between HR measures derived from the SWT and the maximal speed reached at the 30-15IFT (VIFT) were used to assess validity. The range for ICC and CV values was 0.83-0.95 and 1.4-7.0% in all HR measures, respectively, with the HRex as the most reliable HR measure of the SWT. Inverse large (r = 0.50 and 90% confidence limits [CLs] [-0.78 to -0.06]) and very large (r = -0.76 and CL, -0.90 to -0.45) relationships were observed between HRex and HRpost1 with VIFT in relative (expressed as the % of maximal HR) measures, respectively. The SWT is a reliable and valid submaximal test to monitor high-intensity intermittent running fitness in professional soccer players. In addition, the test's short duration (5 minutes) and simplicity mean that it can be used regularly to assess training status in high-level soccer players. PMID- 29210959 TI - ACUTE FROSTED RETINAL PERIPHLEBITIS IN A PATIENT WITH MEDITERRANEAN FEVER. AB - PURPOSE: To present a case of frosted branch periphlebitis in a young Armenian patient with familial Mediterranean fever. METHODS: Case report. RESULTS: A 37 year-old man presented with a unilateral decreased visual acuity and floaters for 4 days on the left eye (LE). Visual acuity was 20/20 in the right eye (RE) and 20/28 in the LE. Anterior segment and fundus examinations of the RE were normal. Slit-lamp examination of LE revealed a mild nongranulomatous anterior uveitis and vitritis. Intraocular pressure was 19 mmHg in the RE and 12 mmHg in the LE. Fundoscopy of the LE showed typical appearance of frosted branch periphlebitis with perivascular sheathing of the retinal veins and scattered retinal hemorrhages. Fluorescein angiography of the RE was normal. The LE showed optic disk and segmented vascular staining without macular leakage. Optical coherence tomography of the RE was normal; LE demonstrated a localized macular thickening and few intraretinal cysts. The detailed ophthalmologic history was negative. The general history and workup were significant for familial Mediterranean fever and a positive lupus anticoagulant. One week later, the fundus findings worsened with a severe decrease of visual acuity of the LE to 20/200. A single intravitreal (IVT) injection of bevacizumab was performed. Three weeks after injection, fundus findings progressively improved with a decrease of the macular thickening and an improvement of the visual acuity to 20/25. Clinical improvement continued up to the last visit (19 weeks after the injection) with a visual acuity that reached back 20/20 with no signs of active inflammation. CONCLUSION: This case demonstrates a possible association between unilateral frosted branch periphlebitis and familial Mediterranean fever. PMID- 29210960 TI - DISLODGEMENT OF FLUOCINOLONE ACETONIDE INTRAVITREAL IMPLANT INTO THE INFUSION CANNULA DURING VITRECTOMY FOR RETINAL DETACHMENT. AB - BACKGROUND/PURPOSE: To report a case of dislodgement of an Iluvien (fluocinolone acetonide) intravitreal implant into the infusion cannula during pars plana vitrectomy for retinal detachment. METHODS: The patient's surgery was video recorded, and the medical notes were reviewed retrospectively. RESULTS: A patient developed a macula off retinal detachment over 1 year after intravitreal injection of Iluvien for diabetic maculopathy. The patient underwent pars plana vitrectomy, removal of implant, and successful retinal reattachment. Although we planned to remove the implant through a sclerostomy, we were not able to localize it after performing peripheral indented vitrectomy. As the intraocular pressure was fluctuating, we suspected that the implant might have dislodged into the infusion cannula. However, despite increasing the intraocular pressure to 60 mmHg and performing repeated fluid-air exchange, we could not eject the implant back into the vitreous cavity. Therefore, after completing the surgery safely, we flushed the infusion cannula with balanced salt solution and we found the implant. CONCLUSION: Increasing the intraocular pressure and performing fluid-air exchange were not sufficient to eject the implant probably because of the strong surface adherence between the infusion cannula and the implant's coating material. We, therefore, recommend removing and flushing the infusion cannula if the implant cannot be localized in the eye. In addition, clinicians should be aware that a fluctuating intraocular pressure might be the first sign of a partially blocked infusion cannula by the implant. PMID- 29210961 TI - THERAPEUTIC VITRECTOMY AS AN ADJUNCT TREATMENT TO SYSTEMIC CHEMOTHERAPY FOR INTRAOCULAR LYMPHOMA. AB - PURPOSE: To report the outcome of a previously vitrectomized eye having less lymphoma disease burden compared with the contralateral nonvitrectomized eye over the course of 3.5 years while on systemic chemotherapy. METHODS: Case report. RESULTS: A 51-year-old man with vitreoretinal lymphoma with central nervous system involvement underwent vitrectomy in his left eye. Over the following 3.5 years on systemic chemotherapy, the left eye had less lymphoma disease burden compared with the contralateral nonvitrectomized right eye. CONCLUSION: Therapeutic vitrectomy may be a useful adjunct to systemic chemotherapy in vitreoretinal lymphoma, particularly in cases of vitreous predominant disease manifestation. PMID- 29210962 TI - LONG-TERM MULTIMODAL IMAGING OF OCULAR FINDINGS ASSOCIATED WITH THIAMINE RESPONSIVE MEGALOBLASTIC ANEMIA. AB - PURPOSE: To report on 5-year multimodal imaging of ocular findings in a patient with thiamine-responsive megaloblastic anemia. METHODS: Observational case report. RESULTS: A 20-year-old-man with a history of thiamine-responsive megaloblastic anemia demonstrated a symmetric bull's eye maculopathy. Spectral domain optical coherence tomography revealed disruption of the parafoveal ellipsoid zone, fundus autofluorescence demonstrated foveal hypoautofluorescence, and full-field electroretinogram testing revealed a decreased photopic and scotopic response consistent with cone-rod dystrophy. His best-corrected visual acuity remained stable over 5 years at 20/50 in the right eye and 20/40 in the left eye, and visual field testing remained stable over time. CONCLUSION: Ocular manifestations in thiamine-responsive megaloblastic anemia are uncommon and variable. In this case, multimodal imaging and electroretinogram findings are consistent with cone-rod degeneration. The patient is taking daily thiamine supplementation, and visual acuity, funduscopic examination, spectral domain optical coherence tomography, and autofluorescence remained stable over a 5-year period. PMID- 29210963 TI - CENTRAL ELLIPSOID LOSS ASSOCIATED WITH CONE DYSTROPHY AND KCNV2 MUTATION. AB - PURPOSE: To report a case of central ellipsoid loss with supernormal rod electroretinogram and KCNV2 gene mutation. METHODS: Retrospective case report. PATIENT: Thirty-eight-year-old man. RESULTS: We report a patient with longstanding vision loss and photophobia who illustrated central atrophy of the inner segment ellipsoid zone band on spectral domain optical coherence tomography. Fundus autofluorescence displayed mild perifoveal mottled autofluorescence. Electroretinography demonstrated a diminished rod-isolated response with delayed timing but a normal dark-adapted maximal response to bright flashes. Cone-mediated responses under light-adapted conditions were abnormal with evidence of selective loss of the b wave and a normal a wave consistent with cone dystrophy with supernormal rod electroretinogram. Genetic testing demonstrated a frameshift mutation in the KCNV2 gene. CONCLUSION: Cone dystrophy with supernormal rod electroretinogram is believed to be a monogenic disease due to KCNV2 gene mutations that affect a transmembrane potassium channel found in rod and cone photoreceptors. We report the multimodal retinal findings associated with a signature electroretinogram in this disorder. Clinicians should consider this rare condition when evaluating patients with central ellipsoid loss and associated cone dystrophy. PMID- 29210964 TI - PERIVASCULAR GRANULOMATA IN THE RETINA DEMONSTRATED BY EN FACE OPTICAL COHERENCE TOMOGRAPHY IN A PATIENT WITH BLAU SYNDROME. AB - PURPOSE: To describe the multimodal retinal imaging findings of a case of Blau syndrome. METHODS: Case report. The multimodal retinal imaging findings, including widefield angiography, cross-sectional and en face spectral domain optical coherence tomography, and optical coherence tomography angiography, of a case of Blau syndrome are described. RESULTS: A 12-year-old Hispanic girl with polyarticular arthritis, skin rash, and panuveitis was diagnosed with a rare condition referred to as Blau syndrome. Genetic testing identified an NOD2 mutation. Cross-sectional and en face optical coherence tomography illustrated presumed perivascular granulomata in the middle retina. Optical coherence tomography angiography failed to display flow within these lesions. CONCLUSION: This report illustrates the presence of a remarkable distribution of perivascular, presumably granulomatous, retinal lesions in the middle retina. Similar perivascular granulomata have been noted in the histopathological analysis of ocular sarcoidosis. PMID- 29210965 TI - A CASE OF RETINAL METASTASIS OF LARYNGEAL SQUAMOUS CELL CARCINOMA WITH HISTOPATHOLOGIC CONFIRMATION BY VITRECTOMY-ASSISTED EN BLOCK EXTRACTION. AB - BACKGROUND/PURPOSE: To present a case report of retinal metastasis of laryngeal squamous cell carcinoma that was diagnosed by a histopathologic finding from the surgically extracted tumor tissue. METHODS: A 66-year-old man, who was suffered from the treatment-resistant laryngeal carcinoma, was referred to our department because of visual field defect in his right eye. A fundus examination revealed a parafoveal white retinal lesion, which rapidly expanded to the central fovea and decreased the visual acuity. A tissue extraction by 27G pars plana vitrectomy was performed to confirm the diagnosis. RESULTS: The abnormal retinal tissue was extracted en block through 10-mm sclerocorneal tunnel during pars plana vitrectomy. The histopathologic findings revealed that the retinal lesion was retinal metastasis of laryngeal carcinoma. CONCLUSION: We must keep in mind that retinal metastasis can be one of the differential diagnoses for white retinal lesions of unknown cause. PMID- 29210969 TI - Postoperative Pain Among Patients After Day-Case Surgery. AB - Postoperative pain occurs at a high incidence after day-case surgery, with many patients reporting moderate to severe pain. A cross-sectional design was used in this study to estimate the prevalence of postoperative pain in the early postoperative period after day-case surgery and to determine whether there is a relationship between demographic and clinical variables. A convenient sample of 300 patients, aged between 18 and 80 years, was selected from all postoperative patients after day-case surgery over a period of 6 months. At the first 2 hr after surgery, about 70% of patients had either no pain or mild pain at rest and about 30% of patients had moderate to severe pain. About one third of these patients (103; 35.8%) reported mild pain, and about 43% of patients had moderate to severe pain on movement in the first 2 hr after surgery. Furthermore, 25.3% and 41.3% of the patients reported moderate to severe pain during the first 24 hr after hospital discharge at rest and on movement, respectively. Female patients had significantly higher pain scores than male patients (p < .001). Significant decrease in pain scores was reported in the first 2 hr after surgery (mean = 2.2, SD = 2) and within the first 24 hr after discharge (mean = 1.8, SD = 2.2, t(288) = 4.3, p =. 005) at rest. The prevalence of pain among postoperative patients after day-care surgery in Jordan is high. Young adult and female patients have higher pain scores after day-case surgery. PMID- 29210970 TI - Evaluating the Implementation of a Preemptive, Multimodal Analgesia Protocol in a Plastic Surgery Office. AB - Many patients undergoing plastic surgery experience significant pain postoperatively. The use of preemptive, multimodal analgesia techniques to reduce postoperative pain has been widely described in the literature. This quality improvement project evaluated the implementation of a preemptive, multimodal analgesia protocol in an office-based plastic surgery facility to decrease postoperative pain, decrease postoperative opioid consumption, decrease postanesthesia care time, and increase patient satisfaction. The project included adult patients undergoing surgical procedures at an outpatient plastic and cosmetic surgery office, and the protocol consisted of oral acetaminophen 1,000 mg and gabapentin 1,200 mg. Using a pre-/postintervention design, data were collected from patient medical records and telephone interviews of patients receiving the standard preoperative analgesia regimen (preintervention group: n = 24) and the evidence-based preemptive, multimodal analgesia protocol (postintervention group: n = 23). Results indicated no significant differences between the pre- and postintervention groups for any of the outcomes measured. However, results showed that patients in both groups experienced moderate to severe pain postoperatively. In addition, adverse side effects such as dizziness and drowsiness were higher in the postintervention group than in the preintervention group. Although this quality improvement project did not meet the goals it set out to achieve for patients undergoing plastic surgery, it did illustrate the substantial presence of pain after surgical procedures. Thus, clinicians need to continue to focus on identifying targeted treatment plans that use multimodal, non-opioid-based strategies to manage and prevent postoperative pain. PMID- 29210971 TI - Understanding Age, Memories, and How They Impact Aesthetic Practice. AB - According to the American Society for Aesthetic Plastic Surgery (), the number of nonsurgical treatments grew 650% from 1996 to 2016. As these procedures have evolved and improved, so have their ability to deliver results that enhance one's natural beauty and reverse the signs of aging. Many patients seek these procedures in the hopes of looking younger and more refreshed, but "younger" can be subjective and the patient's desired outcome may be difficult for practitioners to interpret. A recent study () of 350 women found that patients are carrying around a "memory photo" of themselves that is about 10 years younger than their actual age. Findings from this survey yielded new insights into patient perceptions of age and provides practitioners with a powerful new tool that can be applied in daily clinical practice. PMID- 29210972 TI - Met and Unmet Expectations for Breast Reconstruction in Early Posttreatment Breast Cancer Survivors. AB - The purpose of this study was to evaluate the prevalence of met and unmet expectations after breast reconstruction among breast cancer survivors following mastectomy. A secondary objective was to examine reasons women report their experiences of reconstructive surgery were better or worse than expected. As part of a larger study of breast cancer survivors, participants completed self administered questionnaires within 8 months of diagnosis and at 6, 12, and 18 months later. At the 18-month follow-up, women who had breast reconstruction were asked whether their reconstruction was better, the same, or worse than expected. The sample consisted of 130 survivors (mean age = 48.5 years) who had breast reconstruction following mastectomy and completed the 18-month follow-up, 42% of whom reported their reconstruction was worse than expected and only 25% reported it was better. Most frequently reported reasons for reconstruction being worse than expected were related to appearance of the reconstructed breast and pain. A high percentage of patients with breast cancer undergoing breast reconstruction following mastectomy reported the results as worse than expected, with the primary reasons for dissatisfaction related to the feel and appearance of the reconstructed breast. Patients with breast cancer considering breast reconstruction need better preoperative education or understanding about what to expect from reconstruction. PMID- 29210973 TI - Manuka Honey: A Case Study of Severe Atopic Eczematous Dermatitis Reaction to Henna Tattoo. AB - Many mainstream medications were derived from plants and originally utilized in patient management well prior to the extensive research and testing processes of current pharmaceutical standards. The evolution of therapeutic management within the pharmaceutical and skin care industry often uses synthetic processing of products with less of a focus on the natural ingredients from which they were originally derived. However, more recently there has been a shift in pharmacological management to include the therapeutic use of more holistic medicines and practices and thus a broadening of the uses of nontraditional medical treatment options. This has been seen in the use of treatments, such as Manuka honey, for skin conditions and dermal injuries. It is often with off-label uses, or conditions resistant to other treatments, that then prompt the use of holistic products and the true value of the product is validated. As with the following case study, the example of the use of Manuka honey on a severe atopic contact dermatitis eczematous reaction provides further documentation and supportive evidence of the potential efficacy of the properties of this particular natural product. PMID- 29210975 TI - Multicenter Evaluation of a New Electrochemiluminescence Immunoassay for Everolimus Concentrations in Whole Blood. AB - BACKGROUND: The precise monitoring of everolimus, an immunosuppressant drug, is vital for transplant recipients due to its narrow therapeutic range. This study evaluated the analytical performance of a new electrochemiluminescence immunoassay (ECLIA) for everolimus concentrations in whole blood. METHODS: Accuracy, imprecision, and sensitivity studies for the Roche Elecsys everolimus ECLIA were performed at 5 European laboratories. The ECLIA was compared with liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods, as well as the Quantitative Microsphere System everolimus assay. RESULTS: Everolimus ECLIA accuracies were within the range 100% +/- 9%. Coefficients of variation (CVs) across the target range were <=4.8% for repeatability and <=8.4% for intermediate imprecision, whereas multisite reproducibility at lower (2.71 mcg/L) and higher everolimus concentrations (3.0-30.0 mcg/L) resulted in CVs of <=13.7% and <=12.4%, respectively. The CV at the assay's lower limit of quantification without considering bias was excellent, estimated as <=9.3% at 0.5 mcg/L. The weighted Deming regression analysis, used for comparison of the results obtained by everolimus ECLIA and by LC-MS/MS methods, yielded a slope of 1.21 [95% confidence interval (CI): 1.15-1.26], intercept of 0.478 mcg/L (95% CI: 0.241 0.716), and a Pearson correlation coefficient (r) of 0.91. A single-site comparison between the ECLIA and the Quantitative Microsphere System assay revealed a slope of 1.05 (95% CI: 0.917-1.17), intercept of 1.03 mcg/L (95% CI: 0.351-1.70), and r of 0.91. CONCLUSIONS: Based on these results, the Roche Elecsys everolimus ECLIA can be considered suitable for routine therapeutic drug monitoring. A positive bias was observed with respect to LC-MS/MS methods, suggesting that it may be necessary to rebaseline individual patients when switching from LC-MS/MS to the ECLIA; however, this must also be considered for any change of method for everolimus measurement. PMID- 29210976 TI - Therapeutic Drug Monitoring of Asparaginase Activity-Method Comparison of MAAT and AHA Test Used in the International AIEOP-BFM ALL 2009 Trial. AB - BACKGROUND: In the international AIEOP-BFM ALL 2009 trial, asparaginase (ASE) activity was monitored after each dose of pegylated Escherichia coli ASE (PEG ASE). Two methods were used: the aspartic acid beta-hydroxamate (AHA) test and medac asparaginase activity test (MAAT). As the latter method overestimates PEG ASE activity because it calibrates using E. coli ASE, method comparison was performed using samples from the AIEOP-BFM ALL 2009 trial. METHODS: PEG-ASE activities were determined using MAAT and AHA test in 2 sets of samples (first set: 630 samples and second set: 91 samples). Bland-Altman analysis was performed on ratios between MAAT and AHA tests. The mean difference between both methods, limits of agreement, and 95% confidence intervals were calculated and compared for all samples and samples grouped according to the calibration ranges of the MAAT and the AHA test. RESULTS: PEG-ASE activity determined using the MAAT was significantly higher than when determined using the AHA test (P < 0.001; Wilcoxon signed-rank test). Within the calibration range of the MAAT (30-600 U/L), PEG-ASE activities determined using the MAAT were on average 23% higher than PEG-ASE activities determined using the AHA test. This complies with the mean difference reported in the MAAT manual. With PEG-ASE activities >600 U/L, the discrepancies between MAAT and AHA test increased. Above the calibration range of the MAAT (>600 U/L) and the AHA test (>1000 U/L), a mean difference of 42% was determined. Because more than 70% of samples had PEG-ASE activities >600 U/L and required additional sample dilution, an overall mean difference of 37% was calculated for all samples (37% for the first and 34% for the second set). CONCLUSIONS: Comparison of the MAAT and AHA test for PEG-ASE activity confirmed a mean difference of 23% between MAAT and AHA test for PEG-ASE activities between 30 and 600 U/L. The discrepancy increased in samples with >600 U/L PEG-ASE activity, which will be especially relevant when evaluating high PEG-ASE activities in relation to toxicity, efficacy, and population pharmacokinetics. PMID- 29210977 TI - Influence of Comedication on Levetiracetam Pharmacokinetics. AB - BACKGROUND: To evaluate the effect of concomitant antiepileptic therapy on levetiracetam (LEV) pharmacokinetics. METHODS: A 6-year retrospective observational study. Patients were grouped according to the antiepileptic drug used as concomitant medication: group A, LEV in monotherapy; group B, LEV + enzyme-inducing antiepileptic drugs (EIAEDs); and group C, LEV + non-enzyme inducing antiepileptic drugs (NEIAEDs). Apparent oral levetiracetam clearance (LEV CL/F) and basal serum levetiracetam concentrations (LEV C0) were compared among the different groups by analysis of variance. RESULTS: A total of 330 LEV C0 corresponding to 205 patients (56% men) were identified. The mean (+/-SD) of LEV CL/F in group A (n = 180), B (n = 92), and C (n = 58) was 4.41 +/- 2.06 L/h, 7.23 +/- 3.72 L/h, and 4.87 +/- 1.65 L/h, respectively. EIAEDs increased LEV CL/F (L/h) by 64% compared with the monotherapy group and by 48% compared with the NEIAEDs group. The greatest induction in LEV CL/F, compared with the LEV monotherapy group, was observed with carbamazepine, followed by oxcarbazepine and phenobarbital, and was increased by 81%, 64%, and 44%, respectively. LEV C0 values were significantly lower in the EIAEDs group than in the monotherapy group (17.30 +/- 7.77 versus 20.08 +/- 9.69 mcg/mL; P = 0.038) or indeed the NEIAEDs group (17.30 +/- 7.77 versus 20.49 +/- 9.46 mcg/mL; P = 0.027). CONCLUSIONS: Comedication with EIAEDs increased LEV CL/F by more than 40%, whereas carbamazepine had the greatest inducing potency with LEV CL/F being 81% higher than that of the monotherapy group. These data suggest that monitoring LEV serum concentration during polytherapy with EIAEDs is indicated. PMID- 29210978 TI - Heterogeneous Data Fusion Method to Estimate Travel Time Distributions in Congested Road Networks. AB - Travel times in congested urban road networks are highly stochastic. Provision of travel time distribution information, including both mean and variance, can be very useful for travelers to make reliable path choice decisions to ensure higher probability of on-time arrival. To this end, a heterogeneous data fusion method is proposed to estimate travel time distributions by fusing heterogeneous data from point and interval detectors. In the proposed method, link travel time distributions are first estimated from point detector observations. The travel time distributions of links without point detectors are imputed based on their spatial correlations with links that have point detectors. The estimated link travel time distributions are then fused with path travel time distributions obtained from the interval detectors using Dempster-Shafer evidence theory. Based on fused path travel time distribution, an optimization technique is further introduced to update link travel time distributions and their spatial correlations. A case study was performed using real-world data from Hong Kong and showed that the proposed method obtained accurate and robust estimations of link and path travel time distributions in congested road networks. PMID- 29210979 TI - Morphological Variation and Inter-Relationships of Quantitative Traits in Enset (Ensete ventricosum (welw.) Cheesman) Germplasm from South and South-Western Ethiopia. AB - Enset (Ensete ventricosum (Welw.) Cheesman) is Ethiopia's most important root crop. A total of 387 accessions collected from nine different regions of Ethiopia were evaluated for 15 quantitative traits at Areka Agricultural Research Centre to determine the extent and pattern of distribution of morphological variation. The variations among the accessions and regions were significant (p <= 0.01) for all the 15 traits studied. Mean for plant height, central shoot weight before grating, and fermented squeezed kocho yield per hectare per year showed regional variation along an altitude gradient and across cultural differences related to the origin of the collection. Furthermore, there were significant correlations among most of the characters. This included the correlation among agronomic characteristics of primary interest in enset breeding such as plant height, pseudostem height, and fermented squeezed kocho yield per hectare per year. Altitude of the collection sites also significantly impacted the various characteristics studied. These results reveal the existence of significant phenotypic variations among the 387 accessions as a whole. Regional differentiations were also evident among the accessions. The implication of the current results for plant breeding, germplasm collection, and in situ and ex situ genetic resource conservation are discussed. PMID- 29210980 TI - Superconducting Quantum Interferometers for Nondestructive Evaluation. AB - We review stationary and mobile systems that are used for the nondestructive evaluation of room temperature objects and are based on superconducting quantum interference devices (SQUIDs). The systems are optimized for samples whose dimensions are between 10 micrometers and several meters. Stray magnetic fields from small samples (10 um-10 cm) are studied using a SQUID microscope equipped with a magnetic flux antenna, which is fed through the walls of liquid nitrogen cryostat and a hole in the SQUID's pick-up loop and returned sidewards from the SQUID back to the sample. The SQUID microscope does not disturb the magnetization of the sample during image recording due to the decoupling of the magnetic flux antenna from the modulation and feedback coil. For larger samples, we use a hand held mobile liquid nitrogen minicryostat with a first order planar gradiometric SQUID sensor. Low-Tc DC SQUID systems that are designed for NDE measurements of bio-objects are able to operate with sufficient resolution in a magnetically unshielded environment. High-Tc DC SQUID magnetometers that are operated in a magnetic shield demonstrate a magnetic field resolution of ~4 fT/?Hz at 77 K. This sensitivity is improved to ~2 fT/?Hz at 77 K by using a soft magnetic flux antenna. PMID- 29210982 TI - Invisible Security Printing on Photoresist Polymer Readable by Terahertz Spectroscopy. AB - We experimentally modulate the refractive index and the absorption coefficient of an SU-8 dry film in the terahertz region by UV light (362 nm) exposure with time dependency. Consequently, the refractive index of SU-8 film is increased by approximately 6% after UV light exposure. Moreover, the absorption coefficient also changes significantly. Using the reflective terahertz imaging technique, in addition, we can read security information printed by UV treatment on an SU-8 film that is transparent in the visible spectrum. From these results, we successfully demonstrate security printing and reading by using photoresist materials and the terahertz technique. This investigation would provide a new insight into anti-counterfeiting applications in fields that need security. PMID- 29210981 TI - Health Co-Benefits of Green Building Design Strategies and Community Resilience to Urban Flooding: A Systematic Review of the Evidence. AB - Climate change is increasingly exacerbating existing population health hazards, as well as resulting in new negative health effects. Flooding is one particularly deadly example of its amplifying and expanding effect on public health. This systematic review considered evidence linking green building strategies in the Leadership in Energy and Environmental Design(r) (LEED) Rating System with the potential to reduce negative health outcomes following exposure to urban flooding events. Queries evaluated links between LEED credit requirements and risk of exposure to urban flooding, environmental determinants of health, co-benefits to public health outcomes, and co-benefits to built environment outcomes. Public health co-benefits to leveraging green building design to enhance flooding resilience included: improving the interface between humans and wildlife and reducing the risk of waterborne disease, flood-related morbidity and mortality, and psychological harm. We conclude that collaborations among the public health, climate change, civil society, and green building sectors to enhance community resilience to urban flooding could benefit population health. PMID- 29210983 TI - The Potential Pathogenic Contributions of Endothelial Barrier and Arterial Contractile Dysfunction to Shock Due to B. anthracis Lethal and Edema Toxins. AB - Shock with B. anthracis infection is particularly resistant to conventional cardiovascular support and its mortality rate appears higher than with more common bacterial pathogens. As opposed to many bacteria that lack exotoxins directly depressing hemodynamic function, lethal and edema toxin (LT and ET respectively) both cause shock and likely contribute to the high lethality rate with B. anthracis. Selective inhibition of the toxins is protective in infection models, and administration of either toxin alone in animals produces hypotension with accompanying organ injury and lethality. Shock during infection is typically due to one of two mechanisms: (i) intravascular volume depletion related to disruption of endothelial barrier function; and (ii) extravasation of fluid and/or maladaptive dilation of peripheral resistance arteries. Although some data suggests that LT can produce myocardial dysfunction, growing evidence demonstrates that it may also interfere with endothelial integrity thereby contributing to the extravasation of fluid that helps characterize severe B. anthracis infection. Edema toxin, on the other hand, while known to produce localized tissue edema when injected subcutaneously, has potent vascular relaxant effects that could lead to pathologic arterial dilation. This review will examine recent data supporting a role for these two pathophysiologic mechanisms underlying the shock LT and ET produce. Further research and a better understanding of these mechanisms may lead to improved management of B. anthracis in patients. PMID- 29210985 TI - Fatigue Damage Evaluation of Short Carbon Fiber Reinforced Plastics Based on Phase Information of Thermoelastic Temperature Change. AB - Carbon fiber-reinforced plastic (CFRP) is widely used for structural members of transportation vehicles such as automobile, aircraft, or spacecraft, utilizing its excellent specific strength and specific rigidity in contrast with the metal. Short carbon fiber composite materials are receiving a lot of attentions because of their excellent moldability and productivity, however they show complicated behaviors in fatigue fracture due to the random fibers orientation. In this study, thermoelastic stress analysis (TSA) using an infrared thermography was applied to evaluate fatigue damage in short carbon fiber composites. The distribution of the thermoelastic temperature change was measured during the fatigue test, as well as the phase difference between the thermoelastic temperature change and applied loading signal. Evolution of fatigue damage was detected from the distribution of thermoelastic temperature change according to the thermoelastic damage analysis (TDA) procedure. It was also found that fatigue damage evolution was more clearly detected than before by the newly developed thermoelastic phase damage analysis (TPDA) in which damaged area was emphasized in the differential phase delay images utilizing the property that carbon fiber shows opposite phase thermoelastic temperature change. PMID- 29210984 TI - Insight into the Mode of Action of Celangulin V on the Transmembrane Potential of Midgut Cells in Lepidopteran Larvae. AB - Celangulin V (CV) is the main insecticidal constituent of Celastrus angulatus. The V-ATPase H subunit of the midgut cells of lepidopteran larvae is the putative target protein of CV. Here, we compared the effects of CV on the midgut membrane potentials of Mythimna separata and Agrotis ipsilon larvae with those of the Cry1Ab toxin from Bacillus thuringiensis and with those of inactive CV-MIA, a synthetic derivative of CV. We investigated the changes in the apical membrane potentials (Vam) and basolateral membrane potentials (Vbm) of the midguts of sixth-instar larvae force-fed with the test toxins. We also measured the Vam and Vbm of larval midguts that were directly incubated with the test toxins. Similar to the effect of Cry1Ab, the Vam of CV-treated midguts rapidly decayed over time in a dose-dependent manner. By contrast, CV-MIA did not influence Vam. Meanwhile, the Vam of A. ipsilon larval midguts directly incubated with CV decayed less than that of M. separata larval midguts, whereas that of larvae force-fed with CV did not significantly change. Similar to Cry1Ab, CV did not affect the Vbm of isolated midguts. CV significantly inhibited V-ATPase activity in a dose dependent manner. Therefore, CV initially inhibits V-ATPase in the apical membrane and affects intracellular pH, homeostasis, and nutrient transport mechanisms in lepidopteran midgut cells. PMID- 29210987 TI - Prophylactic Sublingual Immunization with Mycobacterium tuberculosis Subunit Vaccine Incorporating the Natural Killer T Cell Agonist Alpha-Galactosylceramide Enhances Protective Immunity to Limit Pulmonary and Extra-Pulmonary Bacterial Burden in Mice. AB - Infection by Mycobacterium tuberculosis (Mtb) remains a major global concern and the available Bacillus Calmette-Guerin (BCG) vaccine is poorly efficacious in adults. Therefore, alternative vaccines and delivery strategies focusing on Mtb antigens and appropriate immune stimulating adjuvants are needed to induce protective immunity targeted to the lungs, the primary sites of infections and pathology. We present here evidence in support of mucosal vaccination by the sublingual route in mice using the subunit Mtb antigens Ag85B and ESAT-6 adjuvanted with the glycolipid alpha-galactosylceramide (alpha-GalCer), a potent natural killer T (NKT) cell agonist. Vaccinated animals exhibited strong antigen specific CD4 and CD8 T cells responses in the spleen, cervical lymph nodes and lungs. In general, inclusion of the alpha-GalCer adjuvant significantly enhanced these responses that persisted over 50 days. Furthermore, aerosolized Mtb infection of vaccinated mice resulted in a significant reduction of bacterial load of the lungs and spleens as compared to levels seen in naive controls or those vaccinated with subunit proteins, adjuvant , or BCG alone. The protection induced by the Mtb antigens and-GalCer vaccine through sublingual route correlated with a TH1-type immunity mediated by antigen-specific IFN-gamma and IL 2 producing T cells. PMID- 29210986 TI - Ubiquitin Specific Peptidase 22 Regulates Histone H2B Mono-Ubiquitination and Exhibits Both Oncogenic and Tumor Suppressor Roles in Cancer. AB - Ubiquitin-Specific Peptidase 22 (USP22) is a ubiquitin hydrolase, notably catalyzing the removal of the mono-ubiquitin moiety from histone H2B (H2Bub1). Frequent overexpression of USP22 has been observed in various cancer types and is associated with poor patient prognosis. Multiple mechanisms have been identified to explain how USP22 overexpression contributes to cancer progression, and thus, USP22 has been proposed as a novel drug target in cancer. However, gene re sequencing data from numerous cancer types show that USP22 expression is frequently diminished, suggesting it may also harbor tumor suppressor-like properties. This review will examine the current state of knowledge on USP22 expression in cancers, describe its impact on H2Bub1 abundance and present the mechanisms through which altered USP22 expression may contribute to oncogenesis, including an emerging role for USP22 in the maintenance of genome stability in cancer. Clarifying the impact aberrant USP22 expression and abnormal H2Bub1 levels have in oncogenesis is critical before precision medicine therapies can be developed that either directly target USP22 overexpression or exploit the loss of USP22 expression in cancer cells. PMID- 29210988 TI - Novel Mesoporous Flowerlike Iron Sulfide Hierarchitectures: Facile Synthesis and Fast Lithium Storage Capability. AB - The 3D flowerlike iron sulfide (F-FeS) is successfully synthesized via a facile one-step sulfurization process, and the electrochemical properties as anode materials for lithium ion batteries (LIBs) are investigated. Compared with bulk iron sulfide, we find that the unique structural features, overall flowerlike structure, composed of several dozen nanopetals and numerous small size iron sulfide particles embedded within the fine nanopetals, and hierarchical pore structure features provide signification improvements in lithium storage performance, with a high-rate discharge capacity of 779.0 mAh g-1 at a rate of 5 A g-1, due to effectively alleviating the volume expansion during the lithiation/delithiation process, and shorting the diffusion length of both lithium ion and electron. Especially, an excellent cycling stability are achieved, a high discharge capacity of 890 mAh g-1 retained at a rate of 1.0 A g 1, suggesting its promising applications in lithium ion batteries (LIBs). PMID- 29210990 TI - Grain Refinement Kinetics in a Low Alloyed Cu-Cr-Zr Alloy Subjected to Large Strain Deformation. AB - This paper investigates the microstructural evolution and grain refinement kinetics of a solution-treated Cu-0.1Cr-0.06Zr alloy during equal channel angular pressing (ECAP) at a temperature of 673 K via route BC. The microstructural change during plastic deformation was accompanied by the formation of the microband and an increase in the misorientations of strain-induced subboundaries. We argue that continuous dynamic recrystallization refined the initially coarse grains, and discuss the dynamic recrystallization kinetics in terms of grain/subgrain boundary triple junction evolution. A modified Johnson-Mehl-Avrami Kolmogorov relationship with a strain exponent of about 1.49 is used to express the strain dependence of the triple junctions of high-angle boundaries. Severe plastic deformation by ECAP led to substantial strengthening of the Cu-0.1Cr 0.06Zr alloy. The yield strength increased from 60 MPa in the initial state to 445 MPa after a total strain level of 12. PMID- 29210991 TI - Self-Supported Ni(P, O)x.MoOx Nanowire Array on Nickel Foam as an Efficient and Durable Electrocatalyst for Alkaline Hydrogen Evolution. AB - Earth-abundant and low-cost catalysts with excellent electrocatalytic hydrogen evolution reaction (HER) activity in alkaline solution play an important role in the sustainable production of hydrogen energy. In this work, a catalyst of Ni(P, O)x.MoOx nanowire array on nickel foam has been prepared via a facile route for efficient alkaline HER. Benefiting from the collaborative advantages of Ni(P, O)x and amorphous MoOx, as well as three-dimensional porous conductive nickel scaffold, the hybrid electrocatalyst shows high catalytic activity in 1 M KOH aqueous solution, including a small overpotential of 59 mV at 10 mA cm-2, a low Tafel slope of 54 mV dec-1, and excellent cycling stability. PMID- 29210989 TI - Supraphysiologic Testosterone Therapy in the Treatment of Prostate Cancer: Models, Mechanisms and Questions. AB - Since Huggins defined the androgen-sensitive nature of prostate cancer (PCa), suppression of systemic testosterone (T) has remained the most effective initial therapy for advanced disease although progression inevitably occurs. From the inception of clinical efforts to suppress androgen receptor (AR) signaling by reducing AR ligands, it was also recognized that administration of T in men with castration-resistant prostate cancer (CRPC) could result in substantial clinical responses. Data from preclinical models have reproducibly shown biphasic responses to T administration, with proliferation at low androgen concentrations and growth inhibition at supraphysiological T concentrations. Many questions regarding the biphasic response of PCa to androgen treatment remain, primarily regarding the mechanisms driving these responses and how best to exploit the biphasic phenomenon clinically. Here we review the preclinical and clinical data on high dose androgen growth repression and discuss cellular pathways and mechanisms likely to be involved in mediating this response. Although meaningful clinical responses have now been observed in men with PCa treated with high dose T, not all men respond, leading to questions regarding which tumor characteristics promote response or resistance, and highlighting the need for studies designed to determine the molecular mechanism(s) driving these responses and identify predictive biomarkers. PMID- 29210992 TI - Characterization of the Asiatic Acid Glucosyltransferase, UGT73AH1, Involved in Asiaticoside Biosynthesis in Centella asiatica (L.) Urban. AB - Centella asiatica (L.) Urban contains two ursane-type triterpene saponins, asiaticoside and madecassoside, as major secondary metabolites. In order to select candidate genes encoding UDP-glucosyltransferases (UGTs) involved in asiaticoside biosynthesis, we performed transcriptomic analysis of leaves elicited by methyl jasmonate (MeJA). Among the unigenes, 120 isotigs and 13 singletons of unique sequences were annotated as UGTs, including 37 putative full length cDNAs, and 15 of the putative UGT genes were named according to the UGT committee nomenclature protocols. One of them, UGT73AH1, was characterized by heterologous expression in Escherichia coli BL21 (DE3) cells. After induction with IPTG, a total protein extract was assayed with UDP-glucose and asiatic acid. UPLC-QTOF/MS analysis showed that UGT73AH1 catalyzes the glycosylation of asiatic acid to its monoglucoside. It remains unclear whether glycosylation occurs on the triterpene C-2alpha, C-3beta, C-23, or C-28 position. However, it is very likely that UGT73AH1 glucosylates the C-28 position, because only C-28 bears a glucose moiety in the final pathway product of asiatic acid, while C-2alpha, C-3beta, and C-23 remain un-conjugated. PMID- 29210993 TI - Aberrant N-Glycosylation Profile of Serum Immunoglobulins is a Diagnostic Biomarker of Urothelial Carcinomas. AB - The aim of this study to determine whether the aberrant N-glycosylated serum immunoglobulins (Igs) can be applied as a diagnostic marker of urothelial carcinoma (UC). Between 2009 and 2016, we randomly obtained serum available from 237 UC and also 96 prostate cancer as other cancer controls from our serum bank and also obtained-from 339 healthy volunteers (HV)-controls obtained from community-dwelling volunteers in Iwaki Health Promotion Project. A total of 32 types of N-glycan levels on Igs were determined by high-throughput N-glycomics and analyzed by multivariable discriminant analysis. We found five UC-associated aberrant N-glycans changes on Igs and also found that asialo-bisecting GlcNAc type N-glycan on Igs were significantly accumulated in UC patients. The diagnostic N-glycan Score (dNGScore) established by combination of five N-glycans on Igs discriminated UC patients from HV and prostate cancer (PC) patients with 92.8% sensitivity and 97.2% specificity. The area under the curve (AUC) for of the dNGScore was 0.969 for UC detection that was much superior to that of urine cytology (AUC, 0.707) and hematuria (AUC, 0.892). Furthermore, dNGScore can detect hematuria and urine cytology negative patients. The dNGscore based on aberrant N-glycosylation signatures of Igs were found to be promising diagnostic biomarkers of UCs. PMID- 29210994 TI - Iron Supplementation during Pregnancy and Infancy: Uncertainties and Implications for Research and Policy. AB - Iron is particularly important in pregnancy and infancy to meet the high demands for hematopoiesis, growth and development. Much attention has been given to conditions of iron deficiency (ID) and iron deficient anemia (IDA) because of the high global prevalence estimated in these vulnerable life stages. Emerging and preliminary evidence demonstrates, however, a U-shaped risk at both low and high iron status for birth and infant adverse health outcomes including growth, preterm birth, gestational diabetes, gastrointestinal health, and neurodegenerative diseases during aging. Such evidence raises questions about the effects of high iron intakes through supplementation or food fortification during pregnancy and infancy in iron-replete individuals. This review examines the emerging as well as the current understanding of iron needs and homeostasis during pregnancy and infancy, uncertainties in ascertaining iron status in these populations, and issues surrounding U-shaped risk curves in iron-replete pregnant women and infants. Implications for research and policy are discussed relative to screening and supplementation in these vulnerable populations, especially in developed countries in which the majority of these populations are likely iron replete. PMID- 29210995 TI - Support for Natural Small-Molecule Phenols as Anxiolytics. AB - Natural small-molecule phenols (NSMPs) share some bioactivities. The anxiolytic activity of NSMPs is attracting attention in the scientific community. This paper provides data supporting the hypothesis that NSMPs are generally anxiolytic. The anxiolytic activities of seven simple phenols, including phloroglucinol, eugenol, protocatechuic aldehyde, vanillin, thymol, ferulic acid, and caffeic acid, were assayed with the elevated plus maze (EPM) test in mice. The oral doses were 5, 10 and 20 mg/kg, except for phloroglucinol for which the doses were 2.5, 5 and 10 mg/kg. All tested phenols had anxiolytic activity in mice. The phenolic hydroxyl group in 4-hydroxycinnamic acid (4-OH CA) was essential for the anxiolytic activity in the EPM test in mice and rats compared to 4-chlorocinnamic acid (4-Cl CA). The in vivo spike recording of rats' hippocampal neurons also showed significant differences between 4-OH CA and 4-Cl CA. Behavioral and neuronal spike recording results converged to indicate the hippocampal CA1 region might be a part of the anxiolytic pathways of 4-OH CA. Therefore, our study provides further experimental data supporting NSMPs sharing anxiolytic activity, which may have general implications for phytotherapy because small phenols occur extensively in herbal medicines. PMID- 29210996 TI - Theoretical Kinetic and Mechanistic Studies on the Reactions of CF3CBrCH2 (2-BTP) with OH and H Radicals. AB - CF3CBrCH2 (2-bromo-3,3,3-trifluoropropene, 2-BTP) is a potential replacement for CF3Br; however, it shows conflicted inhibition and enhancement behaviors under different combustion conditions. To better understand the combustion chemistry of 2-BTP, a theoretical study has been performed on its reactions with OH and H radicals. Potential energy surfaces were exhaustively explored by using B3LYP/aug cc-pVTZ for geometry optimizations and CCSD(T)/aug-cc-pVTZ for high level single point energy refinements. Detailed kinetics of the major pathways were predicted by using RRKM/master-equation methodology. The present predictions imply that the -C(Br)=CH2 moiety of 2-BTP is most likely to be responsible for its fuel-like property. For 2-BTP + OH, the addition to the initial adduct (CF3CBrCH2OH) is the dominant channel at low temperatures, while the substitution reaction (CF3COHCH2 + Br) and H abstraction reaction (CF3CBrCH + H2O) dominates at high temperatures and elevated pressures. For 2-BTP + H, the addition to the initial adduct (CF3CBrCH3) also dominates the overall kinetics at low temperatures, while Br abstraction reaction (CF3CCH2 + HBr) and beta-scission of the adduct forming CF3CHCH2 + Br dominates at high temperatures and elevated pressures. Compared to 2-BTP + OH, the 2-BTP + H reaction tends to have a larger effect on flame suppression, given the fact that it produces more inhibition species. PMID- 29210997 TI - Tempol Supplementation Restores Diaphragm Force and Metabolic Enzyme Activities in mdx Mice. AB - Duchenne muscular dystrophy (DMD) is characterized by striated muscle weakness, cardiomyopathy, and respiratory failure. Since oxidative stress is recognized as a secondary pathology in DMD, the efficacy of antioxidant intervention, using the superoxide scavenger tempol, was examined on functional and biochemical status of dystrophin-deficient diaphragm muscle. Diaphragm muscle function was assessed, ex vivo, in adult male wild-type and dystrophin-deficient mdx mice, with and without a 14-day antioxidant intervention. The enzymatic activities of muscle citrate synthase, phosphofructokinase, and lactate dehydrogenase were assessed using spectrophotometric assays. Dystrophic diaphragm displayed mechanical dysfunction and altered biochemical status. Chronic tempol supplementation in the drinking water increased diaphragm functional capacity and citrate synthase and lactate dehydrogenase enzymatic activities, restoring all values to wild-type levels. Chronic supplementation with tempol recovers force-generating capacity and metabolic enzyme activity in mdx diaphragm. These findings may have relevance in the search for therapeutic strategies in neuromuscular disease. PMID- 29210998 TI - Investigation of 'Head-to-Tail'-Connected Oligoaryl N,O-Ligands as Recognition Motifs for Cancer-Relevant G-Quadruplexes. AB - Oligomeric compounds, constituted of consecutive N,O-heteroaromatic rings, introduce useful and tunable properties as alternative ligands for biomolecular recognition. In this study, we have explored a synthetic scheme relying on Van Leusen oxazole formation, in conjunction with C-H activation of the formed oxazoles and their subsequent C-C cross-coupling to 2-bromopyridines in order to assemble a library of variable-length, 'head-to-tail'-connected, pyridyl-oxazole ligands. Through investigation of the interaction of the three longer ligands (5 mer, 6-mer, 7-mer) with cancer-relevant G-quadruplex structures (human telomeric/22AG and c-Myc oncogene promoter/Myc2345-Pu22), the asymmetric pyridyl oxazole motif has been demonstrated to be a prominent recognition element for G quadruplexes. Fluorescence titrations reveal excellent binding affinities of the 7-mer and 6-mer for a Na+-induced antiparallel 22AG G-quadruplex (KD = 0.6 * 10-7 M-1 and 0.8 * 10-7 M-1, respectively), and satisfactory (albeit lower) affinities for the 22AG/K+ and Myc2345-Pu22/K+ G-quadruplexes. All ligands tested exhibit substantial selectivity for G-quadruplex versus duplex (ds26) DNA, as evidenced by competitive Forster resonance energy transfer (FRET) melting assays. Additionally, the 7-mer and 6-mer are capable of promoting a sharp morphology transition of 22AG/K+ G-quadruplex. PMID- 29211000 TI - Evaluation of the Corrosion Resistance Properties of Electroplated Chitosan-Zn1 xCuxO Composite Thin Films. AB - Novel chitosan-zinc copper oxide (Zn1-xCuxO) composites were electrochemically synthesized through galvanostatic deposition. The prepared chitosan-based composite thin films were elaborately investigated to determine their structural, morphological, compositional, impedance, and corrosion properties. X-ray diffraction analysis was performed to reveal their structural orientation of composite thin films. Energy dispersive analysis by X-ray evidently confirmed the existence of Zn, Cu, and O in the composite thin films. Nyquist plots revealed that the chitosan-Zn1-xCuxO thin films had obvious semi-circular boundaries, and higher resistance was observed for chitosan-ZnO due to the grain boundary effect. Corrosion properties were evaluated using both an electrochemical method and the ASTM weight gain method, which revealed good corrosion rates of 34 and 35 * 10-3 mm/y, respectively, for chitosan-ZnO thin film. PMID- 29211001 TI - Exploring Determinants of Spatial Variations in the Dengue Fever Epidemic Using Geographically Weighted Regression Model: A Case Study in the Joint Guangzhou Foshan Area, China, 2014. AB - Dengue fever (DF) is a common and rapidly spreading vector-borne viral disease in tropical and subtropical regions. In recent years, this imported disease has posed an increasing threat to public health in China, especially in many southern cities. Although the severity of DF outbreaks in these cities is generally associated with known risk factors at various administrative levels, spatial heterogeneities of these associations remain little understood on a finer scale. In this study, the neighboring Guangzhou and Foshan (GF) cities were considered as a joint area for characterizing the spatial variations in the 2014 DF epidemic at various grid levels from 1 * 1 km2 to 6 * 6 km2. On an appropriate scale, geographically weighted regression (GWR) models were employed to interpret the influences of socioeconomic and environmental factors on this epidemic across the GF area. DF transmissions in Guangzhou and Foshan cities presented synchronous temporal changes and spatial expansions during the main epidemic months. Across the GF area, this epidemic was obviously spatially featured at various grid levels, especially on the 2 * 2 km2 scale. Its spatial variations were relatively sufficiently explained by population size, road density, and economic status integrated in the GWR model with the lowest Akaike Information Criterion (AICc = 5227.97) and highest adjusted R square (0.732) values. These results indicated that these three socioeconomic factors acted as geographical determinants of spatial variability of the 2014 DF epidemic across the joint GF area, although some other potential factors should be added to improve the explaining the spatial variations in the central zones. This work improves our understanding of the effects of socioeconomic conditions on the spatial variations in this epidemic and helps local hygienic authorities to make targeted joint interventions for preventing and controlling this epidemic across the GF area. PMID- 29210999 TI - Adverse Intrauterine Environment and Cardiac miRNA Expression. AB - Placental insufficiency, high altitude pregnancies, maternal obesity/diabetes, maternal undernutrition and stress can result in a poor setting for growth of the developing fetus. These adverse intrauterine environments result in physiological changes to the developing heart that impact how the heart will function in postnatal life. The intrauterine environment plays a key role in the complex interplay between genes and the epigenetic mechanisms that regulate their expression. In this review we describe how an adverse intrauterine environment can influence the expression of miRNAs (a sub-set of non-coding RNAs) and how these changes may impact heart development. Potential consequences of altered miRNA expression in the fetal heart include; Hypoxia inducible factor (HIF) activation, dysregulation of angiogenesis, mitochondrial abnormalities and altered glucose and fatty acid transport/metabolism. It is important to understand how miRNAs are altered in these adverse environments to identify key pathways that can be targeted using miRNA mimics or inhibitors to condition an improved developmental response. PMID- 29211002 TI - Pan-Domain Analysis of ZIP Zinc Transporters. AB - The ZIP (Zrt/Irt-like protein) family of zinc transporters is found in all three domains of life. However, little is known about the phylogenetic relationship amongst ZIP transporters, their distribution, or their origin. Here we employed phylogenetic analysis to explore the evolution of ZIP transporters, with a focus on the major human fungal pathogen, Candida albicans. Pan-domain analysis of bacterial, archaeal, fungal, and human proteins revealed a complex relationship amongst the ZIP family members. Here we report (i) a eukaryote-wide group of cellular zinc importers, (ii) a fungal-specific group of zinc importers having genetic association with the fungal zincophore, and, (iii) a pan-kingdom supercluster made up of two distinct subgroups with orthologues in bacterial, archaeal, and eukaryotic phyla. PMID- 29211003 TI - Metabolites with Insecticidal Activity from Aspergillus fumigatus JRJ111048 Isolated from Mangrove Plant Acrostichum specioum Endemic to Hainan Island. AB - Fungi residing in mangroves are considered to be a bank of novel bioactive natural products. In the screening for bioactive metabolites from mangrove derived fungi, the ethyl acetate extract of the fermentation broth of Aspergillus fumigatus JRJ111048, a fungus isolated from the leaves of the mangrove plant Acrostichum specioum endemic to Hainan island, was found to possess insecticidal activity against Spodoptera litura. Bioactivity-guided isolation lead to the discovery of seven metabolites 1-7, including one new anhydride derivative aspergide (1), one new lipid amide 11-methyl-11-hydroxyldodecanoic acid amide (2), and five known compounds; alpha-ethyl glucoside (3), spiculisporic acid B (4), spiculisporic acid C (5), spiculisporic acid (6), and secospiculisporic acid B (7). Their structures were established by NMR spectroscopic and MS analyses, and by comparison of previously reported data. Insecticidal activity against S. litura and antifungal activity of these compounds were investigated. As a result, the new compound 1 showed potent insecticidal activity against newly hatched larvae of S. litura, and compound 4 displayed weak antifungal activity against Candida albicans. PMID- 29211004 TI - A "Skylight" Simulator for HWIL Simulation of Hyperspectral Remote Sensing. AB - Even though digital simulation technology has been widely used in the last two decades, hardware-in-the-loop (HWIL) simulation is still an indispensable method for spectral uncertainty research of ground targets. However, previous facilities mainly focus on the simulation of panchromatic imaging. Therefore, neither the spectral nor the spatial performance is enough for hyperspectral simulation. To improve the accuracy of illumination simulation, a new dome-like skylight simulator is designed and developed to fit the spatial distribution and spectral characteristics of a real skylight for the wavelength from 350 nm to 2500 nm. The simulator's performance was tested using a spectroradiometer with different accessories. The spatial uniformity is greater than 0.91. The spectral mismatch decreases to 1/243 of the spectral mismatch of the Imagery Simulation Facility (ISF). The spatial distribution of radiance can be adjusted, and the accuracy of the adjustment is greater than 0.895. The ability of the skylight simulator is also demonstrated by comparing radiometric quantities measured in the skylight simulator with those in a real skylight in Beijing. PMID- 29211005 TI - Isolation of Petrocidin A, a New Cytotoxic Cyclic Dipeptide from the Marine Sponge-Derived Bacterium Streptomyces sp. SBT348. AB - A new cyclic dipeptide, petrocidin A (1), along with three known compounds-2,3 dihydroxybenzoic acid (2), 2,3-dihydroxybenzamide (3), and maltol (4)-were isolated from the solid culture of Streptomyces sp. SBT348. The strain Streptomyces sp. SBT348 had been prioritized in a strain collection of 64 sponge associated actinomycetes based on its distinct metabolomic profile using liquid chromatography/high-resolution mass spectrometry (LC-HRMS) and nuclear magnetic resonance (NMR). The absolute configuration of all alpha-amino acids was determined by HPLC analysis after derivatization with Marfey's reagent and comparison with commercially available reference amino acids. Structure elucidation was pursued in the presented study by mass spectrometry and NMR spectral data. Petrocidin A (1) and 2,3-dihydroxybenzamide (3) exhibited significant cytotoxicity towards the human promyelocytic HL-60 and the human colon adenocarcinoma HT-29 cell lines. These results demonstrated the potential of sponge-associated actinomycetes for the discovery of novel and pharmacologically active natural products. PMID- 29211006 TI - Laser-Induced Breakdown Spectroscopy (LIBS) for Monitoring the Formation of Hydroxyapatite Porous Layers. AB - Laser-induced breakdown spectroscopy (LIBS) is applied to characterize the formation of porous hydroxyapatite layers on the surface of 0.8CaSiO3 0.2Ca3(PO4)2 biocompatible eutectic glass immersed in simulated body fluid (SBF). Compositional and structural characterization analyses were also conducted by field emission scanning electron microscopy (FESEM), energy dispersive X-ray spectroscopy (EDX), and micro-Raman spectroscopy. PMID- 29211007 TI - Contribution of Dietary Supplements to Nutritional Adequacy in Various Adult Age Groups. AB - Many Americans have inadequate intakes of several nutrients. The Dietary Guidelines for Americans 2015-2020 specifically identified vitamins A, C, D and E, calcium, magnesium, iron, potassium, choline and fiber as "underconsumed nutrients". Based on nationally representative data in 10,698 adults from National Health and Nutrition Examination Surveys (NHANES), 2009-2012, assessments were made of age-group differences in the impact of dietary supplements on nutrient intake and inadequacies. Compared to food alone, use of any dietary supplement plus food was associated with significantly (p < 0.01) higher intakes of 15-16 of 19 nutrients examined in all age groups; and significantly reduced rates of inadequacy for 10/17, 8/17 and 6/17 nutrients examined among individuals age >=71, 51-70 and 19-50 years, respectively. Compared to the other age groups, older adults (>=71 years) had lower rates of inadequacy for iron and vitamins A, C, D and E, but higher rates for calcium. An increased prevalence of intakes above the Tolerable Upper Intake Level was seen for 8-9 of 13 nutrients, but were mostly less than 5% of the population. In conclusion, dietary supplement use is associated with increased micronutrient intake, decreased inadequacies, and slight increases in prevalence above the UL, with greater benefits seen among older adults. PMID- 29211008 TI - Sociodemographic Factors on Contraceptive Use among Ever-Married Women of Reproductive Age: Evidence from Three Demographic and Health Surveys in Bangladesh. AB - Contraceptive use among married women of reproductive age has showed a substantial progress over the last few decades in Bangladesh. This study explores the sociodemographic factors associated with contraceptive use among ever-married women of reproductive age in Bangladesh by utilizing the information extracted from three of the Bangladesh Demographic and Health Surveys (BDHSs) in 1993-1994, 2004 and 2014. Bivariate analysis was conducted by performing chi-squared test of independence to explore the relationship between selected sociodemographic factors and dependent variables. To know the adjusted effects of covariates, a popular binary logistic regression model was considered. Respondents' current age, place residence, division religion, education, age at first marriage, family planning (FP) media exposure, ideal number of children and fertility preferences are the significant determinants according to the most recent survey, BDHS 2014. However, wealth index and a respondent's current working status were found to be significant factors only in BDHS 2004. The results of the study strongly recommend efforts to increase the education level among poor people, particularly among women in Bangladesh. Program interventions, including health behavior education and family planning services and counselling, are especially needed for some categories of the population, including those living in rural areas, Sylhet, Chittagong and Dhaka divisions, as well as illiterate and Muslim ever-married women. PMID- 29211009 TI - Selection of Meat Inspection Data for an Animal Welfare Index in Cattle and Pigs in Denmark. AB - National welfare indices of cattle and pigs are constructed in Denmark, and meat inspection data may be used to contribute to these. We select potentially welfare relevant abattoir recordings and assess the sources of variation within these with a view towards inclusion in the indices. Meat inspection codes were pre selected based on expert judgement of having potential animal welfare relevance. Random effects logistic regression was then used to determine the magnitude of variation derived at the level of the farm or abattoir, of which farm variation might be associated with welfare, whereas abattoir variation is most likely caused by differences in recording practices. Codes were excluded for use in the indices based on poor model fit or a large abattoir effect. There was a large abattoir effect for most of the codes modelled and these codes were deemed to be not appropriate to be carried forward to the welfare index. A few were found to be potentially useful for a welfare index: Eight for slaughter pigs, 15 for sows, five for cattle <18 months of age, and six for older cattle. The absolute accuracy of each code/combination could not be assessed, only the relative variation between farms and abattoirs. PMID- 29211011 TI - Chemical Stability between NiCr2O4 Material and Molten Calcium-Magnesium-Alumino Silicate (CMAS) at High Temperature. AB - NiCr2O4 as a potential protection for thermal barrier coatings (TBCs) against the attack of molten calcium-magnesium-alumino-silicate (CMAS) was studied by a CMAS contacting experiment. Atmospheric plasma sprayed coatings and sintered bulk materials were fabricated, covered with CMAS deposits, and exposed to 1200 degrees C for 24 h. Nano-sized CMAS-NiCr2O4 mixed powder was manufactured by ball milling and then conducted heat treatment under the same condition. The results show that no reacting product was found at the border between molten CMAS and NiCr2O4 and no element transportation occurred. It can be inferred that NiCr2O4 has outstanding chemical stability with the molten CMAS. PMID- 29211010 TI - Meta-Analysis of Fecal Microbiota and Metabolites in Experimental Colitic Mice during the Inflammatory and Healing Phases. AB - The imbalance of gut microbiota is known to be associated with inflammatory bowel disease, but it remains unknown whether dysbiosis is a cause or consequence of chronic gut inflammation. In order to investigate the effects of gut inflammation on microbiota and metabolome, the sequential changes in gut microbiota and metabolites from the onset of colitis to the recovery in dextran sulfate sodium induced colitic mice were characterized by using meta 16S rRNA sequencing and proton nuclear magnetic resonance (1H-NMR) analysis. Mice in the colitis progression phase showed the transient expansions of two bacterial families including Bacteroidaceae and Enterobacteriaceae and the depletion of major gut commensal bacteria belonging to the uncultured Bacteroidales family S24-7, Rikenellaceae, Lachnospiraceae, and Ruminococcaceae. After the initiation of the recovery, commensal Lactobacillus members promptly predominated in gut while other normally abundant bacteria excluding the Erysipelotrichaceae remained diminished. Furthermore, 1H-NMR analysis revealed characteristic fluctuations in fecal levels of organic acids (lactate and succinate) associated with the disease states. In conclusion, acute intestinal inflammation is a perturbation factor of gut microbiota but alters the intestinal environments suitable for Lactobacillus members. PMID- 29211012 TI - Comparative Analysis of the Nitrogen Effect of Common Agricultural Practices and Rotation Systems in a Rainfed Mediterranean Environment. AB - The nitrogen (N) effect of legumes is one of the main reasons for their inclusion in rotation systems and their success in rainfed agriculture of Mediterranean areas. The comparative analysis of this effect in relation to alternative systems or practices is essential for a comprehensive appreciation in their merit. This field experiment was comprised of four three-year rotation cycles. Wheat (Triticum turgidum durum) was seeded for two consecutive years after common vetch (Vicia sativa L.), treated in three different ways, and after fallow and compared with three wheat monocultures: the conventional one, the continuous straw incorporation, and the sewage sludge incorporation once every three years. Wheat grain and straw yields and N uptake were compared among treatments. Results showed that rotation systems that included vetch were the most promising for improving sustainability. Maximum N uptake and the greatest yield surpluses were obtained when wheat followed vetch incorporated during flowering. When vetch in the rotation was cut for hay or left to fill grains subsequent wheat showed also enhanced yields. Fallow affected the rotation system's fertility due to the incorporation of volunteer plants into the soil. Sewage sludge sustained production without the need for inorganic fertilization during three years. Straw incorporation always gave the smallest yields and N harvests, presumably due to soil N immobilization. PMID- 29211013 TI - Pharmacokinetics, Pharmacodynamics, Tolerability, and Food Effect of Cenerimod, a Selective S1P1 Receptor Modulator in Healthy Subjects. AB - The pharmacokinetics, pharmacodynamics, tolerability, and food effect of cenerimod, a potent sphingosine-1-phosphate subtype 1 receptor modulator, were investigated in three sub-studies. Two double-blind, placebo-controlled, randomised studies in healthy male subjects were performed. Cenerimod was administered either as single dose (1, 3, 10 or 25 mg; Study 1) or once daily for 35 days (0.5, 1, 2 or 4 mg; Study 2). A two-period cross-over, open-label study was performed to assess the food effect (1 mg, Study 3). The pharmacokinetic profile of cenerimod was characterised by a tmax of 5.0-6.2 h. Terminal half-life after single and multiple doses ranged from 170 to 199 h and 283 to 539 h, respectively. Food had no relevant effect on the pharmacokinetics of cenerimod. A dose-dependent decrease in lymphocyte count was observed after initiation of cenerimod and reached a plateau (maximum change from baseline: -64%) after 20-23 days of treatment. Lymphocyte counts returned to baseline values at end-of-study examination. One serious adverse event of circulatory collapse (25 mg dose group, maximum tolerated dose: 10 mg) and adverse events of mild-to-moderate intensity were reported. Treatment initiation was associated with transient decreases in heart rate and blood pressure at doses >1 and >=10 mg, respectively. PMID- 29211015 TI - The Effect of Electrical Impedance Matching on the Electromechanical Characteristics of Sandwiched Piezoelectric Ultrasonic Transducers. AB - For achieving the power maximum transmission, the electrical impedance matching (EIM) for piezoelectric ultrasonic transducers is highly required. In this paper, the effect of EIM networks on the electromechanical characteristics of sandwiched piezoelectric ultrasonic transducers is investigated in time and frequency domains, based on the PSpice model of single sandwiched piezoelectric ultrasonic transducer. The above-mentioned EIM networks include, series capacitance and parallel inductance (I type) and series inductance and parallel capacitance (II type). It is shown that when I and II type EIM networks are used, the resonance and anti-resonance frequencies and the received signal tailing are decreased; II type makes the electro-acoustic power ratio and the signal tailing smaller whereas it makes the electro-acoustic gain ratio larger at resonance frequency. In addition, I type makes the effective electromechanical coupling coefficient increase and II type makes it decrease; II type make the power spectral density at resonance frequency more dramatically increased. Specially, the electro acoustic power ratio has maximum value near anti-resonance frequency, while the electro-acoustic gain ratio has maximum value near resonance frequency. It can be found that the theoretically analyzed results have good consistency with the measured ones. PMID- 29211014 TI - Lipopolysaccharide-Induced Nitric Oxide, Prostaglandin E2, and Cytokine Production of Mouse and Human Macrophages Are Suppressed by Pheophytin-b. AB - Sepsis is an overwhelming systemic response to infection that frequently results in tissue damage, organ failure, and even death. Nitric oxide (NO), prostaglandin E2 (PGE2), and cytokine overproduction are thought to be associated with the immunostimulatory cascade in sepsis. In the present study, we analyzed the anti inflammatory efficacy of the pheophytin-b on both RAW 264.7 murine macrophage and purified human CD14+ monocytes stimulated with lipopolysaccharide (LPS) and elucidated the mechanisms by analyzing the cell signaling pathways known to be activated in sepsis. Pheophytin-b suppressed the overexpression of NO, PGE2, and cytokines in LPS-stimulated macrophages without inducing cytotoxicity. It also reduced NOS2 and COX-2 mRNA and protein levels. The inhibitory effects on NO, PGE2, and cytokine overproduction arose from the suppression of STAT-1 and PI3K/Akt pathways; no changes in NF-kappaB, MAPK, and AP-1 signaling were detected. Thus, pheophytin-b may represent a potential candidate to beneficially modulate the inflammatory response in sepsis. PMID- 29211017 TI - Sliding Mode Observer-Based Current Sensor Fault Reconstruction and Unknown Load Disturbance Estimation for PMSM Driven System. AB - This paper proposes a new scheme of reconstructing current sensor faults and estimating unknown load disturbance for a permanent magnet synchronous motor (PMSM)-driven system. First, the original PMSM system is transformed into two subsystems; the first subsystem has unknown system load disturbances, which are unrelated to sensor faults, and the second subsystem has sensor faults, but is free from unknown load disturbances. Introducing a new state variable, the augmented subsystem that has sensor faults can be transformed into having actuator faults. Second, two sliding mode observers (SMOs) are designed: the unknown load disturbance is estimated by the first SMO in the subsystem, which has unknown load disturbance, and the sensor faults can be reconstructed using the second SMO in the augmented subsystem, which has sensor faults. The gains of the proposed SMOs and their stability analysis are developed via the solution of linear matrix inequality (LMI). Finally, the effectiveness of the proposed scheme was verified by simulations and experiments. The results demonstrate that the proposed scheme can reconstruct current sensor faults and estimate unknown load disturbance for the PMSM-driven system. PMID- 29211016 TI - Expression Profiling of Autophagy Genes BxATG1 and BxATG8 under Biotic and Abiotic Stresses in Pine Wood Nematode Bursaphelenchus xylophilus. AB - The pine wood nematode (PWN), Bursaphelenchusxylophilus, is the pathogen of pine wilt disease (PWD) and causes huge economic losses in pine forests and shows a remarkable ability to survive under unfavorable and changing environmental conditions. This ability may be related to autophagy, which is still poorly understood in B.xylophilus. Our previous studies showed that autophagy exists in PWN. Therefore, we tested the effects of autophagy inducer rapamycin on PWN and the results revealed that the feeding rate and reproduction were significantly promoted on fungal mats. The gene expression patterns of BxATG1 and BxATG8 under the different stress were determined by quantitative reverse transcription PCR (qRT-PCR). We tested the effects of RNA interference on BxATG1 and BxATG8 in PWN during different periods of infection in Pinus thunbergii. The results revealed that BxATG1 and BxATG8 may play roles in allowing PWN to adapt to changing environmental conditions and the virulence of PWN was influenced by the silence of autophagy-related genes BxATG1 and BxATG8. These results provided fundamental information on the relationship between autophagy and PWN, and on better understanding of gene function of BxATG1 and BxATG8 in PWN. PMID- 29211018 TI - Parameter Search Algorithms for Microwave Radar-Based Breast Imaging: Focal Quality Metrics as Fitness Functions. AB - Inaccurate estimation of average dielectric properties can have a tangible impact on microwave radar-based breast images. Despite this, recent patient imaging studies have used a fixed estimate although this is known to vary from patient to patient. Parameter search algorithms are a promising technique for estimating the average dielectric properties from the reconstructed microwave images themselves without additional hardware. In this work, qualities of accurately reconstructed images are identified from point spread functions. As the qualities of accurately reconstructed microwave images are similar to the qualities of focused microscopic and photographic images, this work proposes the use of focal quality metrics for average dielectric property estimation. The robustness of the parameter search is evaluated using experimental dielectrically heterogeneous phantoms on the three-dimensional volumetric image. Based on a very broad initial estimate of the average dielectric properties, this paper shows how these metrics can be used as suitable fitness functions in parameter search algorithms to reconstruct clear and focused microwave radar images. PMID- 29211019 TI - Dual Regulation of the Small RNA MicC and the Quiescent Porin OmpN in Response to Antibiotic Stress in Escherichia coli. AB - Antibiotic resistant Gram-negative bacteria are a serious threat for public health. The permeation of antibiotics through their outer membrane is largely dependent on porin, changes in which cause reduced drug uptake and efficacy. Escherichia coli produces two major porins, OmpF and OmpC. MicF and MicC are small non-coding RNAs (sRNAs) that modulate the expression of OmpF and OmpC, respectively. In this work, we investigated factors that lead to increased production of MicC. micC promoter region was fused to lacZ, and the reporter plasmid was transformed into E. coli MC4100 and derivative mutants. The response of micC-lacZ to antimicrobials was measured during growth over a 6 h time period. The data showed that the expression of micC was increased in the presence of beta lactam antibiotics and in an rpoE depleted mutant. Interestingly, the same conditions enhanced the activity of an ompN-lacZ fusion, suggesting a dual transcriptional regulation of micC and the quiescent adjacent ompN. Increased levels of OmpN in the presence of sub-inhibitory concentrations of chemicals could not be confirmed by Western blot analysis, except when analyzed in the absence of the sigma factor sigmaE. We suggest that the MicC sRNA acts together with the sigmaE envelope stress response pathway to control the OmpC/N levels in response to beta-lactam antibiotics. PMID- 29211020 TI - An Updated View of Translocator Protein (TSPO). AB - Decades of study on the role of mitochondria in living cells have evidenced the importance of the 18 kDa mitochondrial translocator protein (TSPO), first discovered in the 1977 as an alternative binding site for the benzodiazepine diazepam in the kidneys. This protein participates in a variety of cellular functions, including cholesterol transport, steroid hormone synthesis, mitochondrial respiration, permeability transition pore opening, apoptosis, and cell proliferation. Thus, TSPO has become an extremely attractive subcellular target for the early detection of disease states that involve the overexpression of this protein and the selective mitochondrial drug delivery. This special issue was programmed with the aim of summarizing the latest findings about the role of TSPO in eukaryotic cells and as a potential subcellular target of diagnostics or therapeutics. A total of 9 papers have been accepted for publication in this issue, in particular, 2 reviews and 7 primary data manuscripts, overall describing the main advances in this field. PMID- 29211021 TI - Challenging Notions of Academic Entitlement and Its Rise among Liberal Arts College Students. AB - To assess academic entitlement, we employed a repeated cross-sectional design to compare survey data from two systematic random samples collected eight years apart, in 2009 (n = 225) and 2017 (n = 159), at a small, private, mid-Atlantic liberal arts college. According to an entitlement scale (based on Greenberger et al., 2008), students were less likely to be entitled in 2017 (27%) than in 2009 (41%) (p = 0.02). In 2009, a higher proportion of males than females felt entitled (50% versus 34%, p = 0.05), a sex difference that disappeared by 2017. To explore academic entitlement further, we developed the "PIE" scale to measure the extent to which students believe "participation," "improvement" and "effort" should help determine their course grades. Although the proportion of above average PIE scorers was stable from 2009 (36%) to 2017 (34%), in 2017, more females than males were above average on PIE (26% of males versus 44% of females, p = 0.02). PIE, or the desire for recognition of "academic sweat equity," could reflect students' support for a learning model that goes beyond mastery and is more developmental and process oriented. These data challenge common conceptions of what constitutes academic entitlement, the belief that it is rising, and suggest continued discussions of what factors should determine grades. PMID- 29211022 TI - Tracking Functional Tumor Cell Subpopulations of Malignant Glioma by Phasor Fluorescence Lifetime Imaging Microscopy of NADH. AB - Intra-tumoral heterogeneity is associated with therapeutic resistance of cancer and there exists a need to non-invasively identify functional tumor subpopulations responsible for tumor recurrence. Reduced nicotinamide adenine dinucleotide (NADH) is a metabolic coenzyme essential in cellular respiration. Fluorescence lifetime imaging microscopy (FLIM) of NADH has been demonstrated to be a powerful label-free indicator for inferring metabolic states of living cells. Using FLIM, we identified a significant shift towards longer NADH fluorescence lifetimes, suggesting an increase in the fraction of protein-bound NADH, in the invasive stem-like tumor-initiating cell (STIC) subpopulation relative to the tumor mass-forming cell (TMC) subpopulation of malignant gliomas. By applying our previously studied model to transition glioma from a majority of STIC to a majority of TMC in serum-adherent culture conditions following serial passages, we compared changes in NADH states, cellular respirations (oxidative phosphorylation and glycolysis), EGFR expression, and cell-growth speed over passages. We identified a significant positive correlation between free-NADH fraction and cell growth, which was related to an increase of TMC fraction. In comparison, the increase of EGFR and cellular respirations preceded all these changes. In conclusion, FLIM of NADH provides a non-invasive method to monitor the dynamics of tumor heterogeneity before and after treatment. PMID- 29211023 TI - Charomers-Interleukin-6 Receptor Specific Aptamers for Cellular Internalization and Targeted Drug Delivery. AB - Interleukin-6 (IL-6) is a key player in inflammation and the main factor for the induction of acute phase protein biosynthesis. Further to its central role in many aspects of the immune system, IL-6 regulates a variety of homeostatic processes. To interfere with IL-6 dependent diseases, such as various autoimmune diseases or certain cancers like multiple myeloma or hepatocellular carcinoma associated with chronic inflammation, it might be a sensible strategy to target human IL-6 receptor (hIL-6R) presenting cells with aptamers. We therefore have selected and characterized different DNA and RNA aptamers specifically binding IL 6R. These IL-6R aptamers, however, do not interfere with the IL-6 signaling pathway but are internalized with the receptor and thus can serve as vehicles for the delivery of different cargo molecules like therapeutics. We succeeded in the construction of a chlorin e6 derivatized aptamer to be delivered for targeted photodynamic therapy (PDT). Furthermore, we were able to synthesize an aptamer intrinsically comprising the cytostatic 5-Fluoro-2'-deoxy-uridine for targeted chemotherapy. The alpha6beta4 integrin specific DNA aptamer IDA, also selected in our laboratory is internalized, too. All these aptamers can serve as vehicles for targeted drug delivery into cells. We call them charomers-in memory of Charon, the ferryman in Greek mythology, who ferried the deceased into the underworld. PMID- 29211025 TI - Bearing Fault Diagnosis under Variable Speed Using Convolutional Neural Networks and the Stochastic Diagonal Levenberg-Marquardt Algorithm. AB - This paper presents a novel method for diagnosing incipient bearing defects under variable operating speeds using convolutional neural networks (CNNs) trained via the stochastic diagonal Levenberg-Marquardt (S-DLM) algorithm. The CNNs utilize the spectral energy maps (SEMs) of the acoustic emission (AE) signals as inputs and automatically learn the optimal features, which yield the best discriminative models for diagnosing incipient bearing defects under variable operating speeds. The SEMs are two-dimensional maps that show the distribution of energy across different bands of the AE spectrum. It is hypothesized that the variation of a bearing's speed would not alter the overall shape of the AE spectrum rather, it may only scale and translate it. Thus, at different speeds, the same defect would yield SEMs that are scaled and shifted versions of each other. This hypothesis is confirmed by the experimental results, where CNNs trained using the S-DLM algorithm yield significantly better diagnostic performance under variable operating speeds compared to existing methods. In this work, the performance of different training algorithms is also evaluated to select the best training algorithm for the CNNs. The proposed method is used to diagnose both single and compound defects at six different operating speeds. PMID- 29211024 TI - Engineering the l-Arabinose Isomerase from Enterococcus Faecium for d-Tagatose Synthesis. AB - l-Arabinose isomerase (EC 5.3.1.4) (l-AI) from Enterococcus faecium DBFIQ E36 was overproduced in Escherichia coli by designing a codon-optimized synthetic araA gene. Using this optimized gene, two N- and C-terminal His-tagged-l-AI proteins were produced. The cloning of the two chimeric genes into regulated expression vectors resulted in the production of high amounts of recombinant N-His-l-AI and C-His-l-AI in soluble and active forms. Both His-tagged enzymes were purified in a single step through metal-affinity chromatography and showed different kinetic and structural characteristics. Analytical ultracentrifugation revealed that C His-l-AI was preferentially hexameric in solution, whereas N-His-l-AI was mainly monomeric. The specific activity of the N-His-l-AI at acidic pH was higher than that of C-His-l-AI and showed a maximum bioconversion yield of 26% at 50 degrees C for d-tagatose biosynthesis, with Km and Vmax parameters of 252 mM and 0.092 U mg-1, respectively. However, C-His-l-AI was more active and stable at alkaline pH than N-His-l-AI. N-His-l-AI follows a Michaelis-Menten kinetic, whereas C-His-l AI fitted to a sigmoidal saturation curve. PMID- 29211026 TI - A Review of Chronic Pain and Cognitive, Mood, and Motor Dysfunction Following Mild Traumatic Brain Injury: Complex, Comorbid, and/or Overlapping Conditions? AB - Mild traumatic brain injury (mTBI) is commonly encountered in clinical practice. While the cognitive ramifications of mTBI are frequently described in the literature, the impact of mTBI on emotional, sensory, and motor function is not as commonly discussed. Chronic pain is a phenomenon more prevalent among patients with mTBI compared to those with moderate or severe traumatic brain injury. Chronic pain can become a primary disorder of the central nervous system (CNS) expressed as widespread pain, and cognitive, mood, and movement dysfunction. Shared mechanisms across chronic pain conditions can account for how pain is generated and maintained in the CNS, irrespective of the underlying structural pathology. Herein, we review the impact of mTBI on cognitive, emotional, sensory, and motor domains, and the role of pain as an important confounding variable in patient recovery and dysfunction following mTBI. PMID- 29211027 TI - Dietary Intake of Protein from Different Sources and Weight Regain, Changes in Body Composition and Cardiometabolic Risk Factors after Weight Loss: The DIOGenes Study. AB - An increase in dietary protein intake has been shown to improve weight loss maintenance in the DIOGenes trial. Here, we analysed whether the source of the dietary proteins influenced changes in body weight, body composition, and cardiometabolic risk factors during the weight maintenance period while following an energy-restricted diet. 489 overweight or obese participants of the DIOGenes trial from eight European countries were included. They successfully lost >8% of body weight and subsequently completed a six month weight maintenance period, in which they consumed an ad libitum diet varying in protein content and glycemic index. Dietary intake was estimated from three-day food diaries. A higher plant protein intake with a proportional decrease in animal protein intake did not affect body weight maintenance or cardiometabolic risk factors. A higher plant protein intake from non-cereal products instead of cereal products was associated with benefits for body weight maintenance and blood pressure. Substituting meat protein for protein from other animal sources increased insulin and HOMA-IR (homeostasis model assessment of insulin resistance). This analysis suggests that not only the amount of dietary proteins, but also the source may be important for weight and cardiometabolic risk management. However, randomized trials are needed to test the causality of these associations. PMID- 29211028 TI - Effect of Electron Blocking Layer Doping and Composition on the Performance of 310 nm Light Emitting Diodes. AB - The effects of composition and p-doping profile of the AlGaN:Mg electron blocking layer (EBL) in 310 nm ultraviolet B (UV-B) light emitting diodes (LEDs) have been investigated. The carrier injection and internal quantum efficiency of the LEDs were simulated and compared to electroluminescence measurements. The light output power depends strongly on the temporal biscyclopentadienylmagnesium (Cp 2 Mg) carrier gas flow profile during growth as well as on the aluminum profile of the AlGaN:Mg EBL. The highest emission power has been found for an EBL with the highest Cp 2 Mg carrier gas flow and a gradually decreasing aluminum content in direction to the p-side of the LED. This effect is attributed to an improved carrier injection and confinement that prevents electron leakage into the p-doped region of the LED with a simultaneously enhanced carrier injection into the active region. PMID- 29211029 TI - Generalized Fracture Toughness and Compressive Strength of Sustainable Concrete Including Low Calcium Fly Ash. AB - The paper presents the results of tests on the effect of the low calcium fly ash (LCFA) addition, in the amounts of: 0% (LCFA-00), 20% (LCFA-20) and 30% (LCFA-30) by weight of cement, on fracture processes in structural concretes. In the course of the experiments, compressive strength of concrete and fracture toughness for: I (tensile), II (in-plane shear) and III (anti-plane shear) models of cracking were measured. The tests determined the effect of age of concretes modified with LCFA on the analyzed parameters. The experiments were carried out after: 3, 7, 28, 90, 180 and 365 days of curing. Fracture toughness of concretes was determined in terms of the critical stress intensity factors: K I c S , K I I c , K I I I c and then a generalized fracture toughness K c was specified. The obtained results are significant for the analysis of concrete structures subjected to complex loading. The properties of composites with the additive of LCFA depend on the age of the concrete tested. Mature concretes exhibit high fracture toughness at 20% additive of LCFA, while the additive of LCFA in the amount of 30% weight of cement has a beneficial effect on the parameters of concrete only after half a year of curing. PMID- 29211030 TI - Thymbra capitata (L.) Cav. and Rosmarinus officinalis (L.) Essential Oils: In Vitro Effects and Toxicity on Swine Spermatozoa. AB - Essential oils possess a variety of biological properties (i.e., antioxidant, antibacterial, and cytotoxic) that could possibly be applied in reproductive medicine, but their effects on spermatozoa are still partially unknown. The aim of the study was to describe the effects of Thymbra capitata (L.) Cav. and Rosmarinus officinalis (L.) essential oils on the main morpho-functional parameters of swine spermatozoa. Essential oils were preliminary characterized by gas chromatography and added with emulsifiers to facilitate diffusion. Experimental samples were prepared by suspending a fixed number of spermatozoa in 5 mL of medium with 10 different concentrations of essential oil (0.2-2 mg/mL, at intervals of 0.2). After 3 h of incubation, samples were analyzed for pH, viability, objective motility, and acrosome status. Results showed that the effects of the essential oils are concentration-dependent and that R. officinalis is well tolerated up to 0.6 mg/mL. T. capitata impaired the spermatozoa starting from the lowest concentration, with complete spermicidal effect from 0.4 mg/mL. The patterns of damage, confirmed by SEM, were different and quite distinct. As expected, spermatozoa proved to be sensitive to external stimuli and capable of showing different functional patterns, providing interesting insights to the action/toxicity mechanisms. The results of the present work represent the first step towards the systematic characterization of the effects of these compounds on spermatozoa. This kind of studies are necessary to strengthen the idea of future applications of essential oils in the reproductive field due to their antioxidant, antibacterial, or spermicidal properties. PMID- 29211031 TI - Frequency-Dependent Multi-Well Cardiotoxicity Screening Enabled by Optogenetic Stimulation. AB - Side effects on cardiac ion channels causing lethal arrhythmias are one major reason for drug withdrawals from the market. Field potential (FP) recording from cardiomyocytes, is a well-suited tool to assess such cardiotoxic effects of drug candidates in preclinical drug development, but it is currently limited to the spontaneous beating of the cardiomyocytes and manual analysis. Herein, we present a novel optogenetic cardiotoxicity screening system suited for the parallel automated frequency-dependent analysis of drug effects on FP recorded from human induced pluripotent stem cell-derived cardiomyocytes. For the expression of the light-sensitive cation channel Channelrhodopsin-2, we optimised protocols using virus transduction or transient mRNA transfection. Optical stimulation was performed with a new light-emitting diode lid for a 96-well FP recording system. This enabled reliable pacing at physiologically relevant heart rates and robust recording of FP. Thereby we detected rate-dependent effects of drugs on Na+, Ca2+ and K+ channel function indicated by FP prolongation, FP shortening and the slowing of the FP downstroke component, as well as generation of afterdepolarisations. Taken together, we present a scalable approach for preclinical frequency-dependent screening of drug effects on cardiac electrophysiology. Importantly, we show that the recording and analysis can be fully automated and the technology is readily available using commercial products. PMID- 29211032 TI - Bioavailability of Bergamot (Citrus bergamia) Flavanones and Biological Activity of Their Circulating Metabolites in Human Pro-Angiogenic Cells. AB - Myeloid angiogenic cells (MACs) play a key role in endothelial repairing processes and functionality but their activity may be impaired by the lipotoxic effects of some molecules like stearic acid (SA). Among the dietary components potentially able to modulate endothelial function in vivo, (poly)phenolic compounds represent serious candidates. Here, we apply a comprehensive multidisciplinary approach to shed light on the prospects of Bergamot (Citrus bergamia), a citrus fruit rich in flavanones and other phenolic compounds, in the framework of lipotoxicity-induced MACs impairment. The flavanone profile of bergamot juice was characterized and 16 compounds were identified, with a new 3 hydroxy-3-methylglutaryl (HMG) flavanone, isosakuranetin-7-O-neohesperidoside-6" O-HMG, described for the first time. Then, a pilot bioavailability study was conducted in healthy volunteers to assess the circulating flavanone metabolites in plasma and urine after consumption of bergamot juice. Up to 12 flavanone phase II conjugates (sulfates and glucuronides of hesperetin, naringenin and eriodyctiol) were detected and quantified. Finally, the effect of some of the metabolites identified in vivo, namely hesperetin-7-O-glucuronide, hesperetin-3' O-glucuronide, naringenin-7-O-glucuronide and naringenin-4'-O-glucuronide, was tested, at physiological concentrations, on gene expression of inflammatory markers and apoptosis in MACs exposed to SA. Under these conditions, naringenin 4'-O-glucuronide and hesperetin-7-O-glucuronide were able to modulate inflammation, while no flavanone glucuronide was effective in curbing stearate induced lipoapoptosis. These results demonstrate that some flavanone metabolites, derived from the in vivo transformation of bergamot juice phenolics in humans, may mitigate stearate-induced inflammation in MACs. PMID- 29211033 TI - In Vitro and In Vivo Antioxidant and Anti-Hyperglycemic Activities of Moroccan Oat Cultivars. AB - Improvement of oat lines via introgression is an important process for food biochemical functionality. This work aims to evaluate the protective effect of phenolic compounds from hybrid Oat line (F11-5) and its parent (Amlal) on hyperglycemia-induced oxidative stress and to establish the possible mechanisms of antidiabetic activity by digestive enzyme inhibition. Eight phenolic acids were quantified in our samples including ferulic, p-hydroxybenzoic, caffeic, salicylic, syringic, sinapic, p-coumaric and chlorogenic acids. The Oat extract (2000 mg/kg) ameliorated the glucose tolerance, decreased Fasting Blood Glucose (FBG) and oxidative stress markers, including Superoxide dismutase (SOD), Catalase (CAT), Glutathione peroxidase (GPx), Glutathione (GSH) and Malondialdehyde (MDA) in rat liver and kidney. Furthermore, Metformin and Oat intake prevented anxiety, hypercholesterolemia and atherosclerosis in diabetic rats. In vivo anti-hyperglycemic effect of Oat extracts has been confirmed by their inhibitory activities on alpha-amylase (723.91 MUg/mL and 1027.14 MUg/mL) and alpha-glucosidase (1548.12 MUg/mL & 1803.52 MUg/mL) enzymes by mean of a mixed inhibition. PMID- 29211034 TI - Glucocorticoids Improve Myogenic Differentiation In Vitro by Suppressing the Synthesis of Versican, a Transitional Matrix Protein Overexpressed in Dystrophic Skeletal Muscles. AB - In Duchenne muscular dystrophy (DMD), a dysregulated extracellular matrix (ECM) directly exacerbates pathology. Glucocorticoids are beneficial therapeutics in DMD, and have pleiotropic effects on the composition and processing of ECM proteins in other biological contexts. The synthesis and remodelling of a transitional versican-rich matrix is necessary for myogenesis; whether glucocorticoids modulate this transitional matrix is not known. Here, versican expression and processing were examined in hindlimb and diaphragm muscles from mdx dystrophin-deficient mice and C57BL/10 wild type mice. V0/V1 versican (Vcan) mRNA transcripts and protein levels were upregulated in dystrophic compared to wild type muscles, especially in the more severely affected mdx diaphragm. Processed versican (versikine) was detected in wild type and dystrophic muscles, and immunoreactivity was highly associated with newly regenerated myofibres. Glucocorticoids enhanced C2C12 myoblast fusion by modulating the expression of genes regulating transitional matrix synthesis and processing. Specifically, Tgfbeta1, Vcan and hyaluronan synthase-2 (Has2) mRNA transcripts were decreased by 50% and Adamts1 mRNA transcripts were increased three-fold by glucocorticoid treatment. The addition of exogenous versican impaired myoblast fusion, whilst glucocorticoids alleviated this inhibition in fusion. In dystrophic mdx muscles, versican upregulation correlated with pathology. We propose that versican is a novel and relevant target gene in DMD, given its suppression by glucocorticoids and that in excess it impairs myoblast fusion, a process key for muscle regeneration. PMID- 29211035 TI - High-Resolution Structure Analysis of Antibody V5 and U4 Conformational Epitopes on Human Papillomavirus 16. AB - Cancers attributable to human papillomavirus (HPV) place a huge burden on the health of both men and women. The current commercial vaccines are genotype specific and provide little therapeutic benefit to patients with existing HPV infections. Identifying the conformational epitopes on the virus capsid supports the development of improved recombinant vaccines to maximize long-term protection against multiple types of HPV. Fragments of antibody (Fab) digested from the neutralizing monoclonal antibodies H16.V5 (V5) and H16.U4 (U4) were bound to HPV16 capsids and the structures of the two virus-Fab complexes were solved to near atomic resolution using cryo-electron microscopy. The structures reveal virus conformational changes, the Fab-binding mode to the capsid, the residues comprising the epitope and indicate a potential interaction of U4 with the minor structural protein, L2. Competition enzyme-linked immunosorbent assay (ELISA) showed V5 outcompetes U4 when added sequentially, demonstrating a steric interference even though the footprints do not overlap. Combined with our previously reported immunological and structural results, we propose that the virus may initiate host entry through an interaction between the icosahedral five fold vertex of the capsid and receptors on the host cell. The highly detailed epitopes identified for the two antibodies provide a framework for continuing biochemical, genetic and biophysical studies. PMID- 29211036 TI - Diphlorethohydroxycarmalol from Ishige okamurae Suppresses Osteoclast Differentiation by Downregulating the NF-kappaB Signaling Pathway. AB - Marine algae possess a variety of beneficial effects on human health. In this study, we investigated whether diphlorethohydroxycarmalol (DPHC), isolated from Ishige okamurae, a brown alga, suppresses receptor activator of nuclear factor kappaB ligand (RANKL)-induced osteoclast differentiation. DPHC significantly suppressed RANKL-induced osteoclast differentiation and macrophage-colony stimulating factor (M-CSF) expression in a dose-dependent manner. In addition, it significantly inhibited actin ring formation, the expression of osteoclast marker genes, such as tartrate-resistant acid phosphatase (TRAP), nuclear factor of activated T-cells cytoplasmic 1 (Nfatc1), cathepsin K (Ctsk), and dendritic cell specific transmembrane protein (Dcstamp), and osteoclast-induced bone resorption. Analysis of the RANKL-mediated signaling pathway showed that the phosphorylation of both IkappaB and p65 was specifically inhibited by DPHC. These results suggest that DPHC substantially suppresses osteoclastogenesis by downregulating the RANK NF-kappaB signaling pathway. Thus, it holds significant potential for the treatment of skeletal diseases associated with an enhanced osteoclast activity. PMID- 29211037 TI - In Silico Identification and In Vitro Evaluation of Natural Inhibitors of Leishmania major Pteridine Reductase I. AB - In a continuation of our computational efforts to find new natural inhibitors of a variety of target enzymes from parasites causing neglected tropical diseases (NTDs), we now report on 15 natural products (NPs) that we have identified as inhibitors of Leishmania major pteridine reductase I (LmPTR1) through a combination of in silico and in vitro investigations. Pteridine reductase (PTR1) is an enzyme of the trypanosomatid parasites' peculiar folate metabolism, and has previously been validated as a drug target. Initially, pharmacophore queries were created based on four 3D structures of LmPTR1 using co-crystallized known inhibitors as templates. Each of the pharmacophore queries was used to virtually screen a database of 1100 commercially available natural products. The resulting hits were submitted to molecular docking analyses in the substrate binding site of the respective protein structures used for the pharmacophore design. This approach led to the in silico identification of a total of 18 NPs with predicted binding affinity to LmPTR1. These compounds were subsequently tested in vitro for inhibitory activity towards recombinant LmPTR1 in a spectrophotometric inhibition assay. Fifteen out of the 18 tested compounds (hit rate = 83%) showed significant inhibitory activity against LmPTR1 when tested at a concentration of 50 uM. The IC50 values were determined for the six NPs that inhibited the target enzyme by more than 50% at 50 uM, with sophoraflavanone G being the most active compound tested (IC50 = 19.2 uM). The NPs identified and evaluated in the present study may represent promising lead structures for the further rational drug design of more potent inhibitors against LmPTR1. PMID- 29211038 TI - Prevalence of Self-Reported Diagnosed Cataract and Associated Risk Factors among Elderly South Africans. AB - This paper estimates the prevalence of self-reported cataract and associated risk factors among individuals aged >=50 years in South Africa. Data from a nationally representative cross-sectional Study on Global AGEing and Adult Health (SAGE) (N = 3646) conducted in South Africa from 2007-2008 was analyzed. The primary outcome was self-reported cataract, and exposures included socio-demographics, self-reported co-morbidities, and behavioral factors. Linearized multivariate logistic regression models were used. The weighted prevalence of self-reported diagnosed cataract was 4.4% (95%CI: 3.4-5.8). Prevalence was greater among individuals with advancing age (10.2%), higher quality of life (QoL) (5.9%), education (5.2%), and wealth (5.8%) than their counterparts. Prevalence was also higher among individuals with depression (17.5%), diabetes (13.3%), hypertension (9.1%), and stroke (8.4%) compared to those without these conditions, with the exception of obesity (4.2%). In the final multivariate model, the odds of self reported cataract were: 4.14 times higher among people >=70 years than 50 to 59 year olds (95%CI: 2.28-7.50); 2.48 times higher in urban than rural residents (95%CI: 1.25-4.92); 5.16, 2.99, and 1.97 times higher for individuals with depression (95%CI: 1.92-13.86), hypertension (95%CI: 1.60-5.59), and diabetes (95%CI: 1.07-3.61), compared to those without these conditions. PMID- 29211039 TI - Association of Social Support and Medication Adherence in Chinese Patients with Type 2 Diabetes Mellitus. AB - The prevalence of diabetes is steadily increasing in China. When diabetes is uncontrolled, it generates dire consequences for health and well-being. Numerous studies have shown that health outcomes were associated with social support and medication adherence. Previous study confirmed that social support was associated with medication adherence in patients with heart failure, HIV diseases, and first episode psychosis. However, the relationship between social support and medication adherence in patients with type 2 diabetes mellitus (T2DM) is remains unclear. This study aims to examine whether social support is associated with medication adherence in patients with T2DM. This study was conducted in the First Affiliated Hospital of the General Hospital of the People's Liberation Army (PLA). In Beijing, a systematic random sample of 412 patients with T2DM over 18 years was recruited at baseline, and demographic characteristics, clinical data and their assessment of social support were collected from medical records and self-reported questionnaires. 330 of these patients completed a self-report measure of medication adherence at the sixth month after baseline data collection. Regression analysis showed that social support presented a positive effect on medication adherence, additionally, support utilization and the subscale of social support exhibited a significantly strong influence on medication adherence in patients with T2DM. Although medication adherence was influenced by multiple factors, this finding confirmed that social support must be recognized as a core element in interventions aimed at improving in the management of patients with T2DM. PMID- 29211040 TI - Promoting Long-Term Health among People with Spinal Cord Injury: What's New? AB - A key ingredient to successful health promotion is a primary care provider who can offer an informed first response to lifestyle issues, emerging problems and chronic challenges. This article aims to assist family physicians to play their role in promoting the health of people with SCI, by summarizing the latest evidence in the management of spinal cord injury in primary care. This study used a scoping review methodology to survey peer-reviewed journal articles and clinical guidelines published between January 2012 to June 2016. This search strategy identified 153 articles across 20 topics. A prevention framework is used to identify five primary, nine secondary, four tertiary, and two quaternary prevention issues about which family physicians require current information. Major changes in the management of SCI in primary care were noted for 8 of the 20 topics, specifically in the areas of pharmacological management of neuropathic pain and urinary tract infection; screening for bowel and bladder cancer; improvements in wound care; and clarification of dietary fibre recommendations. All of these changes are represented in the 3rd edition of Actionable Nuggets-an innovative tool to assist family physicians to be aware of the best practices in primary care for spinal cord injury. PMID- 29211041 TI - How to Obtain Forty Percent Less Environmental Impact by Healthy, Protein Optimized Snacks for Older Adults. AB - It is well known that meals containing less meat are more sustainable, but little is known about snack-meals, which typically do not contain meat. This study investigates the diversity in environmental impacts associated with snack production based on 20 common recipes optimized for protein content, energy content and sensory aspects for older adults. The purpose is to improve sustainability of public procurement by serving more sustainable snack-meals. Public procurement serves Danish older adults over millions of snack-meals every year, and millions more are served in countries with a similar social service. The environmental impact of snack production was estimated by consequential life cycle assessment. The average impact of producing the 10 least environmentally harmful snacks was 40% less than the average impact of producing the 10 most harmful snacks. This is true whether the functional unit was mass, energy, or protein content, and whether the environmental impact was measured as global warming potential or the monetized value of 16 impact categories. We conclude that large-scale public procurement of snack-meals by private and municipal kitchens can be reduced by up to 40% if the kitchens evaluate the environmental impact of all their snacks and serve the better half more frequently. PMID- 29211042 TI - Newly Emerging Immune Checkpoints: Promises for Future Cancer Therapy. AB - Cancer immunotherapy has been a great breakthrough, with immune checkpoint inhibitors leading the way. Despite the clinical effectiveness of certain immune checkpoint inhibitors, the overall response rate remains low, and the effectiveness of immunotherapies for many tumors has been disappointing. There is substantial interest in looking for additional immune checkpoint molecules that may act as therapeutic targets for cancer. Recent advances during the last decade have identified several novel immune checkpoint targets, including lymphocyte activation gene-3 (LAG-3), B and T lymphocyte attenuator (BTLA), programmed death 1 homolog (PD-1H), T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif domain (TIM-3)/carcinoembryonic antigen cell adhesion molecule 1 (CEACAM1), and the poliovirus receptor (PVR)-like receptors. The investigations into these molecules have generated promising results in preclinical studies. Herein, we will summarize our current progress and understanding of these newly characterized immune checkpoints and their potential application in cancer immunotherapy. PMID- 29211043 TI - Detection of Water Content in Rapeseed Leaves Using Terahertz Spectroscopy. AB - The terahertz (THz) spectra of rapeseed leaves with different water content (WC) were investigated. The transmission and absorption spectra in the range of 0.3-2 THz were measured by using THz time-domain spectroscopy. The mean transmittance and absorption coefficients were applied to analyze the change regulation of WC. In addition, the Savitzky-Golay method was performed to preprocess the spectra. Then, the partial least squares (PLS), kernel PLS (KPLS), and Boosting-PLS were conducted to establish models for predicting WC based on the processed transmission and absorption spectra. Reliable results were obtained by these three methods. KPLS generated the best prediction accuracy of WC. The prediction coefficient correlation (Rval) and root mean square error (RMSEP) of KPLS based on transmission were Rval = 0.8508, RMSEP = 0.1015, and that based on absorption were Rval = 0.8574, RMSEP = 0.1009. Results demonstrated that THz spectroscopy combined with modeling methods provided an efficient and feasible technique for detecting plant physiological information. PMID- 29211045 TI - Co-Cultured Continuously Bioluminescent Human Cells as Bioreporters for the Detection of Prodrug Therapeutic Impact Pre- and Post-Metabolism. AB - Modern drug discovery workflows require assay systems capable of replicating the complex interactions of multiple tissue types, but that can still function under high throughput conditions. In this work, we evaluate the use of substrate-free autobioluminescence in human cell lines to support the performance of these assays with reduced economical and logistical restrictions relative to substrate requiring bioluminescent reporter systems. The use of autobioluminescence was found to support assay functionality similar to existing luciferase reporter targets. The autobioluminescent assay format was observed to correlate strongly with general metabolic activity markers such as ATP content and the presence of reactive oxygen species, but not with secondary markers such as glutathione depletion. At the transcriptional level, autobioluminescent dynamics were most closely associated with expression of the CYP1A1 phase I detoxification pathway. These results suggest constitutively autobioluminescent cells can function as general metabolic activity bioreporters, while pairing expression of the autobioluminescent phenotype to detoxification pathway specific promoters could create more specific sensor systems. PMID- 29211046 TI - Building-Based Analysis of the Spatial Provision of Urban Parks in Shenzhen, China. AB - Urban parks provide important environmental, social, and economic benefits to people and urban areas. The literature demonstrates that proximity to urban parks is one of the key factors influencing people's willingness to use them. Therefore, the provision of urban parks near residential areas and workplaces is one of the key factors influencing quality of life. This study designed a solution based on the spatial association between urban parks and buildings where people live or work to identify whether people in different buildings have nearby urban parks available for their daily lives. A building density map based on building floor area (BFA) was used to illustrate the spatial distribution of urban parks and five indices were designed to measure the scales, service coverage and potential service loads of urban parks and reveal areas lacking urban park services in an acceptable walking distance. With such solution, we investigated the provision of urban parks in ten districts of Shenzhen in China, which has grown from several small villages to a megacity in only 30 years. The results indicate that the spatial provision of urban parks in Shenzhen is not sufficient since people in about 65% of the buildings cannot access urban parks by walking 10-min. The distribution and service coverage of the existing urban parks is not balanced at the district level. In some districts, the existing urban parks have good numbers of potential users and even have large service loads, while in some districts, the building densities surrounding the existing parks are quite low and at the same time there is no urban parks nearby some high density areas. PMID- 29211044 TI - Similarity and Differences in Inflammation-Related Characteristics of the Peripheral Immune System of Patients with Parkinson's and Alzheimer's Diseases. AB - Parkinson's disease (PD) and Alzheimer's disease (AD) are the most common age related neurodegenerative disorders. Both diseases are characterized by chronic inflammation in the brain-neuroinflammation. The first signs of PD and AD are most often manifested in old age, in which the immune system is usually characterized by chronic inflammation, so-called "inflammaging" In recent years, there is growing evidence that pathogenesis of these diseases is connected with both regional and peripheral immune processes. Currently, the association of clinical signs of PD and AD with different characteristics of patient immune status is actively being researched. In this mini-review we compare the association of PD and AD alterations of a number of immune system parameters connected with the process of inflammation. PMID- 29211047 TI - A Chitosan-Based Liposome Formulation Enhances the In Vitro Wound Healing Efficacy of Substance P Neuropeptide. AB - Currently, there is considerable interest in developing innovative biodegradable nanoformulations for controlled administration of therapeutic proteins and peptides. Substance P (SP) is a neuropeptide of 11 amino acids that belongs to the tachykinins family and it plays an important role in wound healing. However, SP is easily degradable in vivo and has a very short half-life, so the use of chitosan-based nanocarriers could enhance its pharmaceutical properties. In light of the above, the aim of this work was to produce and characterize chitosan coated liposomes loaded with SP (SP-CH-LP) as novel biomaterials with potential application in mucosal wound healing. The loaded system's biophysical properties were characterized by dynamic light scattering with non-invasive back scattering (DLS-NIBS), mixed mode measurements and phase analysis light scattering (M3-PALS) and high performance liquid chromatography with ultraviolet/visible light detection (HPLC-UV/VIS). Then, the efficacy of the obtained nanoformulations was examined via proof-of-principle experiments using in vitro cell assays. These assays showed an increment on cell motility and proliferation after treatment with free and encapsulated neuropeptides. Additionally, the effect of SP on wound healing was enhanced by the entrapment on CH-LP. Overall, the amenability of chitosan-based nanomaterials to encapsulate peptides and proteins constitutes a promising approach towards potential novel therapies to treat difficult wounds. PMID- 29211048 TI - Imaging Characteristics of Malignant Sinonasal Tumors. AB - Malignancies of the nasal cavity and paranasal sinuses account for 1% of all malignancies and 3% of malignancies of the upper aerodigestive tract. In the sinonasal tract, nearly half of all malignancies arise in the nasal cavity, whereas most of the remaining malignancies arise in the maxillary or ethmoid sinus. Squamous cell carcinoma is the most common histological subtype of malignant tumors occurring in this area, followed by other epithelial carcinomas, lymphomas, and malignant soft tissue tumors. Although many of these tumors present with nonspecific symptoms, each tumor exhibits characteristic imaging features. Although complex anatomy and various normal variants of the sinonasal tract cause difficulty in identifying the origin and extension of large sinonasal tumors, the invasion of vital structures such as the brain, optic nerves, and internal carotid artery affects patients' prognosis. Thus, diagnostic imaging plays a key role in predicting the histological subtype and in evaluating a tumor extension into adjacent structures. This article describes the computed tomography and magnetic resonance imaging findings for malignant sinonasal tumors. PMID- 29211050 TI - Luminescence-Based Optical Sensors Fabricated by Means of the Layer-by-Layer Nano Assembly Technique. AB - Luminescence-based sensing applications range from agriculture to biology, including medicine and environmental care, which indicates the importance of this technique as a detection tool. Luminescent optical sensors are required to be highly stable, sensitive, and selective, three crucial features that can be achieved by fabricating them by means of the layer-by-layer nano-assembly technique. This method permits us to tailor the sensors' properties at the nanometer scale, avoiding luminophore aggregation and, hence, self-quenching, promoting the diffusion of the target analytes, and building a barrier against the undesired molecules. These characteristics give rise to the fabrication of custom-made sensors for each particular application. PMID- 29211051 TI - Microwave Non-Destructive Inspection and Prediction of Modulus of Rupture and Modulus of Elasticity of Engineered Cementitious Composites (ECCs) Using Dual Frequency Correlation. AB - This research article presents dual-frequency correlation models for predicting the growth of elasticity and flexural strength of engineered cementitious composites (ECCs) using microwave nondestructive inspection technique. Parallel measurements of microwave properties and mechanical properties of ECC specimens were firstly undertaken in the sense of cross-disciplinary experiments. Regression models were developed via means of nonlinear regression to the measured data. The purpose of the study is: (i) to monitor the flexural strength and elasticity growth; and (ii) to predict their mature values under the influence of different initial water contents, via microwave effective conductance at early ages. It has been demonstrated that both the modulus of rupture (MOR) and modulus of elasticity (MOE) can be accurately modeled and correlated by microwave conductance using exponential functions. The moduli developed as a function of conductance whereas the regression coefficient exhibited a linear relation with water-to-binder ratio. These findings have highlighted the effectiveness of the microwave non-destructive technique in inspecting the variation of liquid phase morphology of ECCs. The dual-frequency correlation can be used for structural health monitoring, which is not only for prediction but also provides a means of verification. PMID- 29211052 TI - Maternal Vaccination. Immunization of Sows during Pregnancy against ETEC Infections. AB - The immunology of pregnancy is an evolving consequence of multiple reciprocal interactions between the maternal and the fetal-placental systems. The immune response must warrant the pregnancy outcome (including tolerance to paternal antigens), but at the same time, efficiently respond to pathogenic challenges. Enterotoxigenic Escherichia coli (ETEC) strains are a major cause of illness and death in neonatal and recently weaned pigs. This review aims to give an overview of the current rationale on the maternal vaccination strategies for the protection of the newborn pig against ETEC. Newborn piglets are immunodeficient and naturally dependent on the maternal immunity transferred by colostrum for protection-a maternal immunity that can be obtained by vaccinating the sow during pregnancy. Our current knowledge of the interactions between the pathogen strategies, virulence factors, and the host immune system is aiding the better design of vaccination strategies in this particular and challenging host status. Challenges include the need for better induction of immunity at the mucosal level with the appropriate use of adjuvants, able to induce the most appropriate and long-lasting protective immune response. These include nanoparticle-based adjuvants for oral immunization. Experiences can be extrapolated to other species, including humans. PMID- 29211054 TI - Barriers and Facilitators for Information Exchange during Over-The-Counter Consultations in Community Pharmacy: A Focus Group Study. AB - Consumers are confident managing minor ailments through self-care, often self medicating from a range of over-the-counter (OTC) medicines available from community pharmacies. To minimise risks, pharmacy personnel endeavour to engage in a consultation when consumers present with OTC enquiries however they find consumers resistant. The aim was to determine stakeholder perspectives regarding barriers and facilitators for information exchange during OTC consultations in community pharmacies and to understand the elicited themes in behavioural terms. Focus groups were undertaken with community pharmacist, pharmacy assistant and consumer participants. Independent duplicate analysis of transcription data was conducted using inductive and framework methods. Eight focus groups involving 60 participants were conducted. Themes that emerged indicated consumers did not understand pharmacists' professional role, they were less likely to exchange information if asking for a specific product than if asking about symptom treatment, and they wanted privacy. Consumers were confident to self-diagnose and did not understand OTC medicine risks. Pharmacy personnel felt a duty of care to ensure consumer safety, and that with experience communication skills developed to better engage consumers in consultations. They also identified the need for privacy. Consumers need education about community pharmacists' role and responsibilities to motivate them to engage in OTC consultations. They also require privacy when doing so. PMID- 29211053 TI - Impacts of Small-Scale Industrialized Swine Farming on Local Soil, Water and Crop Qualities in a Hilly Red Soil Region of Subtropical China. AB - Industrialized small-scale pig farming has been rapidly developed in developing regions such as China and Southeast Asia, but the environmental problems accompanying pig farming have not been fully recognized. This study investigated 168 small-scale pig farms and 29 example pig farms in Yujiang County of China to examine current and potential impacts of pig wastes on soil, water and crop qualities in the hilly red soil region, China. The results indicated that the small-scale pig farms produced considerable annual yields of wastes, with medians of 216, 333 and 773 ton yr-1 per pig farm for manure, urine and washing wastewater, respectively, which has had significant impact on surface water quality. Taking NH4+-N, total nitrogen (TN) or total phosphorus (TP) as a criterion to judge water quality, the proportions of Class III and below Class III waters in the local surface waters were 66.2%, 78.7% and 72.5%. The well water (shallow groundwater) quality near these pig farms met the water quality standards by a wide margin. The annual output of pollutants from pig farms was the most important factor correlated with the nutrients and heavy metals in soils, and the relationship can be described by a linear equation. The impact on croplands was marked by the excessive accumulation of available phosphorus and heavy metals such as Cu and Zn. For crop safety, the over-limit ratio of Zn in vegetable samples reached 60%, other heavy metals in vegetable and rice samples tested met the food safety standard at present. PMID- 29211055 TI - Urinary C-megalin for screening of renal scarring in children after febrile urinary tract infection. AB - BackgroundFebrile urinary tract infection (fUTI) in children may cause renal scarring. This study aimed to investigate the usefulness of urinary biomarkers for diagnosing renal scarring after fUTI.MethodsThirty-seven children (median age: 1.36 years, range: 0.52-12.17 years, 25 boys) with a history of fUTI, who underwent renal scintigraphy for 4 months or longer after the last episode of fUTI, were analyzed. A spot urine sample was obtained on the day of renal scintigraphy to measure levels of total protein, N-acetyl-beta-D-glucosaminidase (NAG), beta2-microglobulin (BMG), neutrophil gelatinase-associated lipocalin (NGAL), liver-type fatty acid binding protein (L-FABP), and C-megalin (full length megalin). Results were corrected for urinary creatinine (Cr) and compared between the group with renal scarring (n=23) and that without scarring (n=14). Urinary levels of C-megalin were also measured in healthy control subjects.ResultsNo significant differences in total protein, NGAL, L-FABP, NAG, and BMG levels were found between the groups. However, C-megalin levels were significantly higher in the renal scarring group than in the non-renal scarring group and healthy controls (P<0.001). A cutoff value of 6.5 pmol/nmol of urinary C-megalin/Cr yielded 73.9% of specificity and 92.9% of sensitivity.ConclusionUrinary C-megalin is useful for diagnosing renal scarring caused by fUTI. PMID- 29211056 TI - Krebs cycle metabolites and preferential succinate oxidation following neonatal hypoxic-ischemic brain injury in mice. AB - BackgroundReverse electron transport (RET) driven by the oxidation of succinate has been proposed as the mechanism of accelerated production of reactive oxygen species (ROS) in post-ischemic mitochondria. However, it remains unclear whether upon reperfusion, mitochondria preferentially oxidase succinate.MethodsNeonatal mice were subjected to Rice-Vannucci model of hypoxic-ischemic brain injury (HI) followed by assessment of Krebs cycle metabolites, mitochondrial substrate preference, and H2O2 generation rate in the ischemic brain.ResultsWhile brain mitochondria from control mice exhibited a rotenone-sensitive complex-I-dependent respiration, HI-brain mitochondria, at the initiation of reperfusion, demonstrated complex-II-dependent respiration, as rotenone minimally affected, but inhibition of complex-II ceased respiration. This was associated with a 30 fold increase of cerebral succinate concentration and significantly elevated H2O2 emission rate in HI-mice compared to controls. At 60 min of reperfusion, cerebral succinate content and the mitochondrial response to rotenone did not differ from that in controls.ConclusionThese data are the first ex vivo evidence, that at the initiation of reperfusion, brain mitochondria transiently shift their metabolism from complex-I-dependent oxidation of NADH toward complex II-linked oxidation of succinate. Our study provides a critical piece of support for existence of the RET-dependent mechanism of elevated ROS production in reperfusion. PMID- 29211057 TI - Neonatal neutrophils stimulated by group B Streptococcus induce a proinflammatory T-helper cell bias. AB - BackgroundGroup B Streptococcus (GBS) infection causes inflammatory comorbidities in newborns. While the mechanisms remain unclear, evidence suggests that impaired innate-adaptive immune interactions may be contributory. We hypothesized that GBS stimulated neonatal neutrophils provide a milieu that may drive proinflammatory T helper (Th) cell programming.MethodsNeutrophils were stimulated with Type III GBS (COH1); supernatants or intact neutrophils were cocultured with CD4+ T cells or regulatory T cells (Tregs). Resulting intracellular cytokines and nuclear transcription factors were determined by multicolor flow cytometry.ResultsGBS stimulated neutrophils released soluble mediators that induced greater interleukin-17 (IL-17) responses in neonatal vs. adult CD4+ T cells in the absence of added polarizing cytokines. GBS-stimulated neonatal neutrophils also induced robust expression of the canonical nuclear transcription factors for Th1 (Tbet) and Th17 (IL-17) cells in CD4+ T cells. Following GBS stimulation, both intact neutrophils and neutrophil-derived mediators promoted the generation of Tregs with Th1 and Th17 characteristics.ConclusionGBS-stimulated neonatal neutrophils bias the in vitro Th differentiation program of neonatal CD4+ T cells and promote proinflammatory Th1 and Th17 phenotypes in Tregs. Our data suggest that developmental modifications of innate-adaptive immune cross-talk mechanisms may contribute to the inflammatory complications associated with neonatal GBS infection. PMID- 29211058 TI - Decreased lymphocytes and increased risk for infection are common in endogenous pediatric Cushing syndrome. AB - BackgroundHypercortisolemia results in changes of the immune system and elevated infection risk, but data on the WBC changes in pediatric Cushing syndrome (CS) are not known. We describe the changes of the WBC lineages in pediatric endogenous hypercortisolemia, their associations with the markers of disease severity, and the presence of infections.MethodsWe identified 197 children with endogenous CS. Clinical and biochemical data were recorded. Sixty-six children with similar age and gender, and normocortisolemia served as controls.ResultsThe absolute lymphocyte count of CS patients was significantly lower than that of controls, while the total WBC and the absolute neutrophil counts were significantly higher. These changes correlated with several markers of CS severity and improved after resolution of hypercortisolemia. Infections were identified in 35 patients (17.8%), and their presence correlated to elevated serum morning cortisol, midnight cortisol, and urinary free cortisol levels, as well as with the decrease in absolute lymphocyte count.ConclusionsChildren with endogenous CS have abnormal WBC counts, which correlate with the severity of CS, and normalize after cure. Infections are common in this population; clinicians should be aware of this complication of CS and have low threshold in diagnosis and treating infections in CS. PMID- 29211059 TI - Improving clinical diagnosis in SHOX deficiency: the importance of growth velocity. AB - BackgroundThe aim of this study was to estimate the prevalence of haploinsufficiency of short stature homeobox containing gene (SHOX) deficiency (SHOXD) in a population of short-statured children, and to analyze their phenotype and the performance of clinical scores.MethodsScreening for SHOXD was performed in 281 children with short stature by direct sequencing and multiplex ligation probe-dependent amplification. Subjects with SHOXD were compared with 117 matched short patients without SHOXD. We calculated the cutoff of growth velocity associated with the highest sensitivity and specificity as a screening test for SHOXD by receiver operating characteristic curves.ResultsThe prevalence of SHOXD was 6.8%. Subjects with SHOXD showed a lower growth velocity (P<0.05) and a higher prevalence of dysmorphic signs. The best cutoff for growth velocity was -1.5 standard deviation score (SDS) both in the whole population and in subjects with a Rappold score <7 and <4 points. Growth velocity was <=-1.5 SDS or Rappold score was >7/>4 points in 17/17 of 19 children with SHOXD and in 49/65 of 117 subjects without SHOX mutations.ConclusionsGrowth rate <=-1.5 SDS, even with negative Rappold score, may be useful to detect precociously children with SHOXD. Selecting children deserving the genetic test by using growth velocity or the Rappold score significantly increases the sensitivity in detecting mutations and decreases the specificity. PMID- 29211060 TI - Hurricane Harvey and climate change: the need for policy to protect children. PMID- 29211061 TI - Erratum to "Prediction of Treatment Response to Donepezil using Automated Hippocampal Subfields Volumes Segmentation in Patients with Mild Alzheimer's Disease". AB - [This corrects the article on p. 698 in vol. 14.]. PMID- 29211062 TI - Corrigendum to "Microscopic Examination of Cold Spray Cermet Sn+In2O3 Coatings for Sputtering Target Materials". AB - [This corrects the article DOI: 10.1155/2017/4058636.]. PMID- 29211063 TI - Corrigendum: Serum Metabolic Alterations upon Zika Infection. AB - [This corrects the article on p. 1954 in vol. 8, PMID: 29067015.]. PMID- 29211064 TI - Controlling the lectin recognition of glycopolymers via distance arrangement of sugar blocks. AB - The arrangement of sugars in glycopolymers contributes to their recognition. The molecular recognition of proteins was controlled by the living radical polymerization of glycopolymers. The glycopolymers were prepared by the copolymerization of propargyl methacrylate (Pr-MA) and triethyleneglycol methacrylate (TEG-MA) via living radical polymerization with a reversible addition-fragmentation glycopolymer chain transfer (RAFT) reagent and by subsequent sugar conjugation by click chemistry. The block copolymers were prepared by the polymerization of Pr-MA and TEG-MA. The molecular recognition of glycopolymers was analyzed using the fluorescence quenching of lectin and found to be dependent on the glycopolymer structures. Two-site binding of glycopolymers to concanavalin A (ConA) was attained by both the glycopolymer with a 105-mer and the tri-block glycopolymer with a 103-mer. Glycopolymers with either a 27- or 54 mer showed much weaker interaction because of one-site binding. The molecular recognition of the glycopolymer was controlled by the arrangement and size of the sugar cluster and not by the sugar density. PMID- 29211065 TI - Bright NUV mechanofluorescence from a terpyridine-based pure organic crystal. AB - A bright NUV mechanofluorescent terpyridine-based material with a piezoelectric space group was obtained. The single crystal analysis and quantum chemical calculations indicated the existence of enhanced intermolecular and intramolecular interactions and intersystem crossing, but which did not facilitate the room temperature phosphorescence. PMID- 29211066 TI - Cobalt-catalyzed acceptorless dehydrogenative coupling of aminoalcohols with alcohols: direct access to pyrrole, pyridine and pyrazine derivatives. AB - Here, the first example is reported of a new, molecularly defined SNS-cobalt(ii) catalyst for the acceptorless dehydrogenative coupling (ADC) of unprotected amino alcohols with secondary alcohols leading to pyrrole and pyridine derivatives. PMID- 29211049 TI - Living Organisms Author Their Read-Write Genomes in Evolution. AB - Evolutionary variations generating phenotypic adaptations and novel taxa resulted from complex cellular activities altering genome content and expression: (i) Symbiogenetic cell mergers producing the mitochondrion-bearing ancestor of eukaryotes and chloroplast-bearing ancestors of photosynthetic eukaryotes; (ii) interspecific hybridizations and genome doublings generating new species and adaptive radiations of higher plants and animals; and, (iii) interspecific horizontal DNA transfer encoding virtually all of the cellular functions between organisms and their viruses in all domains of life. Consequently, assuming that evolutionary processes occur in isolated genomes of individual species has become an unrealistic abstraction. Adaptive variations also involved natural genetic engineering of mobile DNA elements to rewire regulatory networks. In the most highly evolved organisms, biological complexity scales with "non-coding" DNA content more closely than with protein-coding capacity. Coincidentally, we have learned how so-called "non-coding" RNAs that are rich in repetitive mobile DNA sequences are key regulators of complex phenotypes. Both biotic and abiotic ecological challenges serve as triggers for episodes of elevated genome change. The intersections of cell activities, biosphere interactions, horizontal DNA transfers, and non-random Read-Write genome modifications by natural genetic engineering provide a rich molecular and biological foundation for understanding how ecological disruptions can stimulate productive, often abrupt, evolutionary transformations. PMID- 29211067 TI - Branched peptides for enzymatic supramolecular hydrogelation. AB - Here we show the use of branched peptides (i.e., isopeptides) as the substrates of proteases for generating supramolecular hydrogels via enzymatically clipping the branch off the peptides. As the first report of using a protease to cut branched peptides to enable a molecular process for converting nanostructures, this work illustrates a fundamentally new molecular motif for exploring the applications of protease-instructed self-assembly for soft materials. PMID- 29211068 TI - Spontaneous protein desorption from self-assembled monolayer (SAM)-coated gold nanoparticles. AB - When nanoparticles enter blood or other biological fluids, they tend to contact with a variety of proteins which may hamper their application and even bring adverse impacts. Such nonspecific protein binding is usually weak and proteins reach dynamic equilibrium between adsorption and desorption. Studies on the spontaneous desorption of weakly bound proteins should not only be helpful to enrich our understanding about such nonspecific interactions but also shed light on the strategy to avoid nonspecific binding of proteins. Here, we use molecular dynamics simulations to investigate the interactions of human serum albumin with the self-assembled monolayer (SAM)-coated gold(111) surface, a typical facet of various gold nanoparticles. The response of the protein interfacial behavior to solution pH, especially the spontaneous desorption, is studied. When the solution pH is relatively low, the protein can adsorb to the SAM surface. Such adhesion is attributed to several salt bridges between acidic residues and SAM's protonated groups, and there are water molecules distributed under the adsorbed protein, i.e. interlayer water. Interestingly, the increase of the solution pH reduces the binding affinity of the protein, which engenders the lateral diffusion of the protein and the increase of interlayer water. When the solution pH is further increased, the enhanced lateral diffusion of the protein and the growth of interlayer water disrupt the formation of salt bridges between the protein and the SAM, and the protein progressively dissociates from the SAM. The spontaneous desorption process of the protein and the corresponding mechanisms illustrated in this work may be helpful to develop an antifouling surface and enhance the biosafety of nanomaterials. PMID- 29211069 TI - Development of a framework catalyst for photocatalytic hydrogen evolution. AB - The controlled self-assembly of a catalyst module composed of a Rh(ii) paddle wheel dimer bearing 1,8-naphthalimide-based moieties afforded a novel heterogeneous framework catalyst (FC-1). The framework catalyst exhibited long lived activity for photocatalytic hydrogen production from water and was easily reused without considerable loss of catalytic activity. PMID- 29211070 TI - 2-(1-Methylhydrazinyl)pyridine as a reductively removable directing group in a cobalt-catalyzed C(sp2)-H bond alkenylation/annulation cascade. AB - We describe a new application of 2-(1-methylhydrazinyl)pyridine as a bidentate directing group to directing cobalt-catalyzed C(sp2)-H alkenylation/annulation of the corresponding benzoic hydrazides to form an isoquinoline backbone, via reacting with a terminal or internal alkyne followed by annulation. The reaction shows a broad substrate scope with the products obtained in good to excellent yields and high regioselectivity. Moreover, the directing group can be reductively removed in one step under mild conditions. PMID- 29211071 TI - Molecular dynamics simulation of geminal dicationic ionic liquids [Cn(mim)2][NTf2]2 - structural and dynamical properties. AB - In this work, the structural and dynamical properties of two imidazolium-based geminal dicationic ionic liquids (GDILs), i.e. [Cn(mim)2][NTf2]2 with n = 3 and 5, have been studied to obtain a fundamental understanding of the molecular basis of the macroscopic and microscopic properties of the bulk liquid phase. To achieve this purpose, molecular dynamics (MD) simulation, density functional theory (DFT) and atoms in molecule (AIM) methods were used. Interaction energies, charge transfers and hydrogen bonds between the cation and anions of each studied GDIL were investigated by DFT calculations and also AIM. The mean square displacement (MSD), self-diffusion coefficient, and transference number of the cation and anions, and also the density, viscosity and electrical conductivity of the studied GDILs, were computed at 333.15 K and at 1 atm. The simulated values were in good agreement with the experimental data. The effect of linkage alkyl chain length on the thermodynamic, transport and structural properties of these GDILs has been investigated. The structural features of these GDILs were characterized by calculating the partial site-site radial distribution functions (RDFs) and spatial distribution functions (SDFs). The heterogeneity order parameter (HOP) has been used to describe the spatial structures of these GDILs and the distribution of the angles formed between two cation heads and the middle carbon atom of the linkage alkyl chain was analyzed in these ILs. To investigate the temporal heterogeneity of the studied GDILs, the deviation of the self-part of the van Hove correlation function, Gs(r[combining right harpoon above],t), from the Gaussian distribution of particle displacement and also the second-order non-Gaussian parameter, alpha2(t), were used. Since, the transport and interfacial properties and ionic characteristics of these GDILs were studied experimentally in our previous studies as a function of linkage chain length and temperature, in this work, we try to give a better perspective of the structure and dynamics of these systems at a molecular level. PMID- 29211072 TI - Influences of polarity and hydration cycles on imbibition hysteresis in silica nanochannels. AB - Spontaneous liquid imbibition is a dominant mechanism for moving fluids in confinements with extremely high hydrodynamic resistance; i.e. nanopores. We demonstrate the impact of hydrophilicity and liquid polarity on nanoscale imbibition with dynamic measurements of the uptake of water-isopropanol (polar) and heptane (nonpolar) within 2D glass-silica nanochannels exposed to varied drying conditions and rehydration (rehydroxylation) cycles. The Lucas-Washburn equation, which does not consider interfacial fluidity effects, predicts that water-IPA and heptane should imbibe at similar speeds. However, we observed stymied and hysteretic water-IPA imbibition trends explained by extremely large contact line friction and increased effective viscosity, both surface chemistry dependent, whereupon the results match a modified version of the Lucas-Washburn equation that accounts for dynamic wetting. In contrast, heptane imbibition, though still slower than the Lucas-Washburn equation prediction, was fairly insensitive to drying history and an order of magnitude faster than the polar mixture. The imbibition of aqueous solutions in analogous siliceous nanoporous materials and structures, ubiquitous in earth science and nanotechnology, may also be subject to hysteretic and large energy dissipation at contact lines and interfaces on account of hydrophilicity. PMID- 29211073 TI - Design of a wearable and shape-memory fibriform sensor for the detection of multimodal deformation. AB - A wearable and shape-memory strain sensor with a coaxial configuration is designed, comprising a thermoplastic polyurethane fiber as the core support, well aligned and interconnected carbon nanotubes (CNTs) as conductive filaments, and polypyrrole (PPy) coating as the cladding layer. In this design, the stress relaxation between CNTs is well confined by the outer PPy cladding layer, which endows the fibriform sensor with good reliability and repeatability. The microcracks generated when the coaxial fiber is under strain guarantee the superior sensitivity of this fibriform sensor with a gauge factor of 12 at 0.1% strain, a wide detectable range (from 0.1% to 50% tensile strain), and the ability to detect multimodal deformation (tension, bending, and torsion) and human motions (finger bending, breathing, and phonation). In addition, due to its shape-memory characteristic, the sensing performance of the fibriform sensor is well retained after its shape recovers from 50% deformation and the fabric woven from the shape-memory coaxial fibers can be worn on the elbow joints in a reversible manner (original-enlarged-recovered) and fitted tightly. Thus, this sensor shows promising applications in wearable electronics. PMID- 29211076 TI - CO ligands stabilize metal chalcogenide Co6Se8(CO)n clusters via demagnetization. AB - The role of carbon monoxide ligands on the magnetic moment of Co6Se8(CO)n clusters, n = 0-6 was investigated to better understand the interplay between the electronic structure of metal chalcogenide clusters and their ligands. We find that the addition of CO ligands to Co6Se8 results in the gradual demagnetization of the cluster. Generally, the addition of a CO ligand effectively adds two electrons to the cluster that occupy deeper states and further pushes up an antibonding orbital out of the valence manifold of cluster states. Through such processes, the fully ligated Co6Se8(CO)6 cluster attains a closed electronic shell with a large gap between occupied and unoccupied states. Each removal of a CO ligand from the cluster then stabilizes an antibonding state that adds unoccupied states to the valence manifold. Such a cluster with partially filled states may either deform as in a Jahn-Teller distortion to quench the spin, or maintain its core structure and be stabilized in a high spin state as in Hund's rules. As these clusters generally maintain their octahedral core, the high spin state prevails and the removal of the ligands results in an increase in spin multiplicity. PMID- 29211077 TI - Self-cleaning by harnessing wrinkles in two-dimensional layered crystals. AB - Two-dimensional (2D) layered crystals are prone to bending and folding owing to their ultra-low bending stiffness. Folds are traditionally viewed as defects that degrade the material performance. Here, we demonstrate that folds and cohesive forces in 2D layered crystals like graphene and MoS2 can be exploited to collect and clean up interlayer impurities, wherein multiple separated impurities agglomerate into a single, large cluster. We combine classical molecular dynamics simulations and an analytical model to elucidate the competing roles of membrane bending and impurity-membrane cohesive energies in the self-cleaning process. Our findings shed light on the mechanisms by which the forces that are present in 2D layered crystals can positively impact, through the possibility of intrinsic cleaning and defect engineering, the synthesis of van der Waals homo- and heterostructures with improved reliability and functionalities. PMID- 29211078 TI - A hydrolytically stable uranyl organic framework for highly sensitive and selective detection of Fe3+ in aqueous media. AB - We present a depleted uranium-based metal organic framework, UO2(C8H3O6N).DMF, that exhibits highly sensitive and selective detection towards Fe3+ ions in aqueous media with an extremely low detection limit of 6.3 ppb. This work offers insight into exploring the potential applications of actinide-based metal organic frameworks in the area of chemical sensing with intrinsic advantages of high selectivity and sensitivity. PMID- 29211080 TI - Can electrostatic catalysis of Diels-Alder reactions be harnessed with pH switchable charged functional groups? AB - Quantum-chemical calculations at the M06-2X/6-31+G(d,p) and G3(MP2)CC levels of theory are used to assess the feasibility of harnessing charged functional groups to electrostatically catalyse Diels-Alder reactions and alter their regio selectivity. For the reaction of the polar diene 2-pyrone with substituted cyclopentene, pH switches of nearly 60 kJ mol-1 are observed in the gas-phase. To switch regioselectivity however it is necessary to toggle between negatively and positively charged functional groups. With the 6-membered cyclohexene derivatives, similar pH-switches are observed but this time an opportunity to pH switch diastereomeric selectivity is also observed due to the asymmetry of the transition state. When 2-pyrone was replaced with a non-polar diene, cyclopentadiene, pH switches were understandably smaller but still substantial (ca. 15 kJ mol-1). Likewise pH switches are attenuated by solvent but remain substantial (ca. 30 kJ mol-1) in toluene and synthetically useful (ca. 15 kJ mol 1) even in moderately low polar solvents such as dichloromethane. PMID- 29211079 TI - Probing the conformational dynamics of photosystem I in unconfined and confined spaces. AB - The fluorescence dynamics of Photosystem I (PSI) in bulk water and inside a confined environment like a liposome have been investigated using time resolved confocal microscopy. In bulk water, PSI exhibits a major emission peak at ~680 nm, while in the liposome it exhibits a markedly blue shifted emission maximum at ~485 nm. This is indicative of conformational changes due to entrapment and emergence of a stressed conformation of PSI inside the liposome. The observed time constants for the fluorescence lifetime of PSI inside the liposome are significantly high as opposed to PSI in bulk water. More interestingly, the fluorescence intensity of PSI in bulk water exhibits strong fluctuations with many high intensity jumps and these are anti-correlated with the fluorescence lifetime of PSI. In contrast, inside the liposome, no such anti-correlated behaviour is observed. We further demonstrated that PSI exhibits at least two conformational states in bulk water, whereas a single conformation is observed inside the liposome, indicating the conformational rigidity and locking of the PSI complex inside a liposome. PMID- 29211082 TI - Indirect evidence for a NiIII-oxyl oxidant in the reaction of a NiII complex with peracid. AB - The reaction of a NiII complex and meta-chloroperoxybenzoic acid (m-CPBA) resulted in the formation of a long-lived NiIII-chlorobenzoate complex that is a capable hydrocarbon oxidant. Analysis of the post-reaction decay products showed the formation of oxidised derivatives of the supporting ligand (a benzoxazine), and heterolytic O-O bond scission in m-CPBA. This evidence indicates formation of a more potent transient NiIII-oxyl species, which was further supported by DFT calculations. PMID- 29211084 TI - Efficient two-photon luminescence for cellular imaging using biocompatible nitrogen-doped graphene quantum dots conjugated with polymers. AB - Nitrogen-doped graphene quantum dot (N-GQD) nanomaterials conjugated with polyethylenimine (PEI)-polystyrene sulfonate (PSS)-anti-epidermal growth factor receptor (AbEGFR) antibody (N-GQD-PEI-PSS-AbEGFR) demonstrated impressive two photon properties and stability, signifying that they can serve as an effective two-photon contrast agent in two-photon bioimaging. Furthermore, they provided high intensity, brightness, and signal-to-noise ratios at an ultra-low two-photon excitation (TPE) power level in an observation extending to a deep, three dimensional depth. PMID- 29211085 TI - Cancer immunotherapy MU-environment LabChip: taking advantage of optoelectronic tweezers. AB - A cancer immunotherapy MU-environment LabChip, equipped with titanium oxide phthalocyanine (TiOPc)-based optoelectronic tweezers (OET) to achieve direct cell cell contact, can be used to study the interaction between immune cells and other cells for real-time analysis of NK cells' behavior. In microfluidic devices, it is difficult to solve dead zone problems and observe dynamic cell-cell interactions. We have created a stable and static culture MU-environment which can enhance NK cell activities. In addition, OET is used to solve dead zone problems by manipulating a single cell into four-leaf-clover-shaped (FLCS) microwells made of poly(ethylene glycol) diacrylate (PEG-DA) through optofluidic maskless lithography, causing direct cell-cell contact. Our design reconstructed an in vitro human immune system for the study of dynamic immunological response. When the NK cells came into contact with the target cells in the MU-environment LabChip, we observed that the target cells showed apoptotic characteristics (i.e. cell shrinkage and blebbing within 2 h and then die within 3 h). In addition, our MU-environment LabChip demonstrated higher NK cell activity compared with conventional analysis. We have created an innovative cancer immunotherapy MU environment LabChip to provide a stable and static MU-environment for cell-cell interaction study. Furthermore, our MU-environment LabChip showed the potential to enhance NK cell activity and to study immunological interactions between immune cells and cancer cells dynamically. PMID- 29211087 TI - Correction: Formation of reactive aldehydes (MDA, HHE, HNE) during the digestion of cod liver oil: comparison of human and porcine in vitro digestion models. AB - Correction for 'Formation of reactive aldehydes (MDA, HHE, HNE) during the digestion of cod liver oil: comparison of human and porcine in vitro digestion models' by Cecilia Tullberg et al., Food Funct., 2016, 7, 1401-1412. PMID- 29211088 TI - Multi-size spheroid formation using microfluidic funnels. AB - We present a microfluidic platform for automatic multi-size spheroid formation within constant volume hanging droplets (HDs) from a single inlet loading of a constant cell concentration. The platform introduces three technological improvements over the existing spheroid formation platforms: 1) cell seeding control is achieved by enrichment of a cell solution rather than dilution; 2) cell seeding in each HD is fully independent and pre-programmable at the design stage; 3) the fabricated chip operates well using a hydrophobic PDMS surface, ensuring long-term storage possibility for device usage. Pre-programmed cell seeding densities at each HD are achieved using a "microfluidic funnel" layer, which has an array of cone-shaped wells with increasing apex angles acting as a metering unit. The integrated platform is designed to form, treat, stain, and image multi-size spheroids on-chip. Spheroids can be analyzed on-chip or easily transferred to conventional well plates for further processing. Empirically, enrichment factors up to 37* have been demonstrated, resulting in viable spheroids of diameters ranging from 230-420 MUm and 280-530 MUm for OV90 and TOV112D cell lines, respectively. We envision that microfluidic funnels and single inlet multi-size spheroid (SIMSS) chips will find broad application in 3D biological assays where size-dependent responses are expected, including chemoresponse assays, photodynamic therapy assays, and other assays involving drug transport characterization in drug discovery. PMID- 29211089 TI - A deep conical agarose microwell array for adhesion independent three-dimensional cell culture and dynamic volume measurement. AB - Multicellular spheroids represent a well-established 3D model to study healthy and diseased cells in vitro. The use of conventional 3D cell culture platforms for the generation of multicellular spheroids is limited to cell types that easily self-assemble into spheroids because less adhesive cells fail to form stable aggregates. A high-precision micromoulding technique developed in our laboratory produces deep conical agarose microwell arrays that allow the cultivation of uniform multicellular aggregates, irrespective of the spheroid formation capacity of the cells. Such hydrogel arrays warrant a steady nutrient supply for several weeks, permit live volumetric measurements to monitor cell growth, enable immunohistochemical staining, fluorescence-based microscopy, and facilitate immediate harvesting of cell aggregates. This system also allows co cultures of two distinct cell types either in direct cell-cell contact or at a distance as the hydrogel permits diffusion of soluble compounds. Notably, we show that co-culture of a breast cancer cell line with bone marrow stromal cells enhances 3D growth of the cancer cells in this system. PMID- 29211090 TI - Addition of azomethine ylides to carbon-encapsulated iron nanoparticles. AB - The Prato reaction was applied for the covalent introduction of a variety of organic moieties onto carbon-encapsulated iron nanoparticles. The developed method is versatile and employs a broad range of commercially available reactants, including both aromatic and aliphatic aldehydes. The reported functionalization route provides high functionalization yields (ca. 12-21 wt%). PMID- 29211091 TI - Gold nanoparticle-based colorimetric biosensors. AB - Gold nanoparticles (AuNPs) provide excellent platforms for the development of colorimetric biosensors as they can be easily functionalised, displaying different colours depending on their size, shape and state of aggregation. In the last decade, a variety of biosensors have been developed to exploit the extent of colour changes as nano-particles (NPs) either aggregate or disperse, in the presence of analytes. Of critical importance to the design of these methods is that the behaviour of the systems has to be reproducible and predictable. Much has been accomplished in understanding the interactions between a variety of substrates and AuNPs, and how these interactions can be harnessed as colorimetric reporters in biosensors. However, despite these developments, only a few biosensors have been used in practice for the detection of analytes in biological samples. The transition from proof of concept to market biosensors requires extensive long-term reliability and shelf life testing, and modification of protocols and design features to make them safe and easy to use by the population at large. Developments in the next decade will see the adoption of user friendly biosensors for point-of-care and medical diagnosis as innovations are brought to improve the analytical performances and usability of the current designs. This review discusses the mechanisms, strategies, recent advances and perspectives for the use of AuNPs as colorimetric biosensors. PMID- 29211092 TI - Little Airways, Big Challenges: An overview of pediatric airway management. PMID- 29211093 TI - Effect of phase coarsening under melt annealing on the electrical performance of polymer composites with a double percolation structure. AB - The effect of phase coarsening on the evolution of the carbon black (CB) nanoparticle network under quiescent melt annealing and the electrical performance of polypropylene/polystyrene/carbon black (PP/PS/CB) composites with a double percolation structure was investigated. The results showed that when the CB content is low, the coarsening process of PP/PS/CB blends can be divided into two stages. In the first stage, the coarsening rate is fast before the formation of the CB nanoparticle network, and after annealing for a certain time, the evolution of the co-continuous morphology can drive the CB nanoparticles to self assemble into a complete nanoparticle network. In the second stage, the coarsening rate is slow after the formation of the CB nanoparticle network. When the CB content is high, the CB nanoparticle network can be maintained throughout the whole annealing process, so that the conductivity and morphology of the PP/PS/CB composites are stable. Moreover, the electrical conductivity of the PP/PS/CB composites greatly increases after annealing for a certain time, and a percolation threshold as low as 0.07 vol% can be obtained. These results reveal the relationship between the evolution of the morphology and the conductivity in the conductive polymer composites with a double percolation structure, and provide a more in-depth and comprehensive understanding of the double percolation structure. PMID- 29211094 TI - Preparation of MoS2/TiO2 based nanocomposites for photocatalysis and rechargeable batteries: progress, challenges, and perspective. AB - The rapidly increasing severity of the energy crisis and environmental degradation are stimulating the rapid development of photocatalysts and rechargeable lithium/sodium ion batteries. In particular, MoS2/TiO2 based nanocomposites show great potential and have been widely studied in the areas of both photocatalysis and rechargeable lithium/sodium ion batteries due to their superior combination properties. In addition to the low-cost, abundance, and high chemical stability of both MoS2 and TiO2, MoS2/TiO2 composites also show complementary advantages. These include the strong optical absorption of TiO2vs. the high catalytic activity of MoS2, which is promising for photocatalysis; and excellent safety and superior structural stability of TiO2vs. the high theoretic specific capacity and unique layered structure of MoS2, thus, these composites are exciting as anode materials. In this review, we first summarize the recent progress in MoS2/TiO2-based nanomaterials for applications in photocatalysis and rechargeable batteries. We highlight the synthesis, structure and mechanism of MoS2/TiO2-based nanomaterials. Then, advancements and strategies for improving the performance of these composites in photocatalytic degradation, hydrogen evolution, CO2 reduction, LIBs and SIBs are critically discussed. Finally, perspectives on existing challenges and probable opportunities for future exploration of MoS2/TiO2-based composites towards photocatalysis and rechargeable batteries are presented. We believe the present review would provide enriched information for a deeper understanding of MoS2/TiO2 composites and open avenues for the rational design of MoS2/TiO2 based composites for energy and environment related applications. PMID- 29211098 TI - Mesoscopic modelling and simulation of soft matter. AB - The deformability of soft condensed matter often requires modelling of hydrodynamical aspects to gain quantitative understanding. This, however, requires specialised methods that can resolve the multiscale nature of soft matter systems. We review a number of the most popular simulation methods that have emerged, such as Langevin dynamics, dissipative particle dynamics, multi particle collision dynamics, sometimes also referred to as stochastic rotation dynamics, and the lattice-Boltzmann method. We conclude this review with a short glance at current compute architectures for high-performance computing and community codes for soft matter simulation. PMID- 29211101 TI - Cholesteric ordering predicted using a coarse-grained polymeric model with helical interactions. AB - The understanding of cholesteric liquid crystals at a molecular level is challenging. Limited insights are available to bridge between molecular structures and macroscopic chiral organization. In the present study, we introduce a novel coarse-grained (CG) molecular model, which is represented by flexible chain particles with helical interactions (FCh), to study the liquid crystalline phase behavior of cholesteric molecules such as double strand DNA and alpha-helix polypeptides using molecular dynamics (MD) simulations. The isotropic cholesteric phase transitions of FCh molecules were simulated for varying chain flexibilities. A wall confinement was used to break the periodicity along the cholesteric helix director in order to predict the equilibrium cholesteric pitch. The left-handed cholesteric phase was shown for FCh molecules with right-handed chiral interactions, and a spatially inhomogeneous distribution of the nematic order parameter profile was observed in cholesteric phases. It was found that the chain flexibility plays an important role in determining the macroscopic cholesteric pitch and the structure of the cholesteric liquid crystal phase. The simulations provide insight into the relationship between microscopic molecular characteristics and the macroscopic phase behavior. PMID- 29211102 TI - Can sexual transmission support the enzootic cycle of Trypanosoma cruzi? AB - BACKGROUND: Trypanosoma cruzi circulates in sylvatic habitats, mainly through blood-feeding triatomines, although other routes also contribute to its dispersion. Sexual transmission of T. cruzi is an understudied topic, especially among wild mammals. Because of the difficulties inherent to field work, experimentally infected mice are frequently used to evaluate the transmission of T. cruzi. OBJECTIVE: This study aimed to evaluate the sexual transmission of T. cruzi in acutely infected mice. METHODS: Male and female mice in the acute phase of Chagas disease were mated with naive partners. Then, parasitological tests, immunohistochemistry, serological assays, and polymerase chain reaction (PCR) assays were used to detect infection. FINDINGS: Parasitological analysis showed trypomastigotes in the blood of 20% of the naive mice after mating with infected partners. Serological assays detected anti-T. cruzi antibodies in all naive females mated with infected males and in 60% of naive males mated with infected females. PCR showed T. cruzi nDNA bands for all naive mice mated with infected partners. The possibility of sexual transmission was also confirmed by visualisation of amastigotes in the testes. MAIN CONCLUSIONS: Our results demonstrate that sexual transmission of T. cruzi is an ordinary event that may contribute to maintenance of the parasite's enzootic cycle. PMID- 29211103 TI - Characterisation of a rare, reassortant human G10P[14] rotavirus strain detected in Honduras. AB - BACKGROUND: Although first detected in animals, the rare rotavirus strain G10P[14] has been sporadically detected in humans in Slovenia, Thailand, United Kingdom and Australia among other countries. Earlier studies suggest that the strains found in humans resulted from interspecies transmission and reassortment between human and bovine rotavirus strains. OBJECTIVES: In this study, a G10P[14] rotavirus genotype detected in a human stool sample in Honduras during the 2010 2011 rotavirus season, from an unvaccinated 30-month old boy who reported at the hospital with severe diarrhea and vomiting, was characterised to determine the possible evolutionary origin of the rare strain. METHODS: For the sample detected as G10P[14], 10% suspension was prepared and used for RNA extraction and sequence independent amplification. The amplicons were sequenced by next-generation sequencing using the Illumina MiSeq 150 paired end method. The sequence reads were analysed using CLC Genomics Workbench 6.0 and phylogenetic trees were constructed using PhyML version 3.0. FINDINGS: The next generation sequencing and phylogenetic analyses of the 11-segmented genome of the G10P[14] strain allowed classification as G10-P[14]-I2-R2-C2-M2-A3-N2-T6-E2-H3. Six of the genes (VP1, VP2, VP3, VP6, NSP2 and NSP4) were DS-1-like. NSP1 and NSP5 were AU-1-like and NSP3 was T6, which suggests that multiple reassortment events occurred in the evolution of the strain. The phylogenetic analyses and genetic distance calculations showed that the VP7, VP4, VP6, VP1, VP3, NSP1, NSP3 and NSP4 genes clustered predominantly with bovine strains. NSP2 and VP2 genes were most closely related to simian and human strains, respectively, and NSP5 was most closely related to a rhesus strain. MAIN CONCLUSIONS: The genetic characterisation of the G10P[14] strain from Honduras suggests that its genome resulted from multiple reassortment events which were possibly mediated through interspecies transmissions. PMID- 29211104 TI - Surveillance of seroepidemiology and morbidity of Chagas disease in the Negro River, Brazilian Amazon. AB - BACKGROUND: Chagas disease in the Brazilian Amazon Region was previously regarded as an enzootic disease of wild animals. More recently, in situations where humans have penetrated the wild ecotope or where triatomines and/or wild animals (marsupials) have invaded human homes resulting in disease transmission, Chagas disease has come to be regarded as an anthropozoonosis. We found that the highest incidence of infection due to Trypanosoma cruzi and Chagas disease occurred among piassaba fibre gatherers and their families. OBJECTIVES: Considering the results of previous surveys, we conducted a new survey of piassaba gatherers and their families in the creeks of the Araca, Curuduri, Demini, Erere and Padauiri rivers, which are tributaries on the left bank of the Negro River, in the municipality of Barcelos; Barcelos-Caures highway; Negro River in Santa Isabel of the Negro River; and Marie River, on the right bank of the Negro River. METHODS: A questionnaire was applied to 482 piassaba gatherers and their families who accompanied them. We collected 5-mL blood samples (with permission from each subject), separated the serum, and performed serological tests using indirect immunofluorescence and conventional and recombinant enzyme-linked immunosorbent assays (ELISA). We performed brief clinical examination and electrocardiograms. Only 273 subjects attended our field base for detailed clinical examination and electrocardiogram. FINDINGS AND MAIN CONCLUSIONS: The questionnaire revealed that 100% of the 482 patients recognised the triatomine Rhodnius brethesi, which they had seen in the piassaba plantation and 81% in their field huts. A total of 79% of subjects had previously been bitten by this vector and 21% did not know. The 25 subjects seropositive for T. cruzi infection (5.2%) stated that they had been bitten more than 10 times by this insect. Of the 273 subjects who underwent electrocardiogram, 22% showed conditions that were possibly attributable to Chagas disease or other cardiovascular disease. PMID- 29211105 TI - Assessing the risk zones of Chagas' disease in Chile, in a world marked by global climatic change. AB - BACKGROUND: Vector transmission of Trypanosoma cruzi appears to be interrupted in Chile; however, data show increasing incidence of Chagas' disease, raising concerns that there may be a reemerging problem. OBJECTIVE: To estimate the actual risk in a changing world it is necessary to consider the historical vector distribution and correlate this distribution with the presence of cases and climate change. METHODS: Potential distribution models of Triatoma infestans and Chagas disease were performed using Maxent, a machine-learning method. FINDINGS: Climate change appears to play a major role in the reemergence of Chagas' disease and T. infestans in Chile. The distribution of both T. infestans and Chagas' disease correlated with maximum temperature, and the precipitation during the driest month. The overlap of Chagas' disease and T. infestans distribution areas was high. The distribution of T. infestans, under two global change scenarios, showed a minimal reduction tendency in suitable areas. MAIN CONCLUSION: The impact of temperature and precipitation on the distribution of T. infestans, as shown by the models, indicates the need for aggressive control efforts; the current control measures, including T. infestans control campaigns, should be maintained with the same intensity as they have at present, avoiding sylvatic foci, intrusions, and recolonisation of human dwellings. PMID- 29211106 TI - Trypanosoma cruzi strain TcIV infects raccoons from Illinois. AB - BACKGROUND: The northern limits of Trypanosoma cruzi across the territory of the United States remain unknown. The known vectors Triatoma sanguisuga and T. lecticularia find their northernmost limits in Illinois; yet, earlier screenings of those insects did not reveal the presence of the pathogen, which has not been reported in vectors or reservoir hosts in this state. OBJECTIVES: Five species of medium-sized mammals were screened for the presence of T. cruzi. METHODS: Genomic DNA was isolated from heart, spleen and skeletal muscle of bobcats (Lynx rufus, n = 60), raccoons (Procyon lotor, n = 37), nine-banded armadillos (Dasypus novemcinctus, n = 5), Virginia opossums (Didelphis virginiana, n = 3), and a red fox (Vulpes vulpes). Infections were detected targeting DNA from the kinetoplast DNA minicircle (kDNA) and satellite DNA (satDNA). The discrete typing unit (DTU) was determined by amplifying two gene regions: the Spliced Leader Intergenic Region (SL), via a multiplex polymerase chain reaction, and the 24Salpha ribosomal DNA via a heminested reaction. Resulting sequences were used to calculate their genetic distance against reference DTUs. FINDINGS: 18.9% of raccoons were positive for strain TcIV; the rest of mammals tested negative. MAIN CONCLUSIONS: These results confirm for the first time the presence of T. cruzi in wildlife from Illinois, suggesting that a sylvatic life cycle is likely to occur in the region. The analyses of sequences of SL suggest that amplicons resulting from a commonly used multiplex reaction may yield non-homologous fragments. PMID- 29211107 TI - Trypanosoma janseni n. sp. (Trypanosomatida: Trypanosomatidae) isolated from Didelphis aurita (Mammalia: Didelphidae) in the Atlantic Rainforest of Rio de Janeiro, Brazil: integrative taxonomy and phylogeography within the Trypanosoma cruzi clade. AB - BACKGROUND: Didelphis spp. are a South American marsupial species that are among the most ancient hosts for the Trypanosoma spp. OBJECTIVES: We characterise a new species (Trypanosoma janseni n. sp.) isolated from the spleen and liver tissues of Didelphis aurita in the Atlantic Rainforest of Rio de Janeiro, Brazil. METHODS: The parasites were isolated and a growth curve was performed in NNN and Schneider's media containing 10% foetal bovine serum. Parasite morphology was evaluated via light microscopy on Giemsa-stained culture smears, as well as scanning and transmission electron microscopy. Molecular taxonomy was based on a partial region (737-bp) of the small subunit (18S) ribosomal RNA gene and 708 bp of the nuclear marker, glycosomal glyceraldehyde-3-phosphate dehydrogenase (gGAPDH) genes. Maximum likelihood and Bayesian inference methods were used to perform a species coalescent analysis and to generate individual and concatenated gene trees. Divergence times among species that belong to the T. cruzi clade were also inferred. FINDINGS: In vitro growth curves demonstrated a very short log phase, achieving a maximum growth rate at day 3 followed by a sharp decline. Only epimastigote forms were observed under light and scanning microscopy. Transmission electron microscopy analysis showed structures typical to Trypanosoma spp., except one structure that presented as single-membraned, usually grouped in stacks of three or four. Phylogeography analyses confirmed the distinct species status of T. janseni n. sp. within the T. cruzi clade. Trypanosoma janseni n. sp. clusters with T. wauwau in a well-supported clade, which is exclusive and monophyletic. The separation of the South American T. wauwau + T. janseni coincides with the separation of the Southern Super Continent. CONCLUSIONS: This clade is a sister group of the trypanosomes found in Australian marsupials and its discovery sheds light on the initial diversification process based on what we currently know about the T. cruzi clade. PMID- 29211108 TI - Detection of occult hepatitis B in serum and oral fluid samples. AB - In occult hepatitis B infection (OBI), hepatitis B virus DNA (HBV DNA) can be detected in serum samples; however, oral fluid collection for detection of HBV DNA has not yet been explored, despite the availability of collection devices. Serum and oral fluid samples from 45 hepatitis B core antibody (anti-HBc) positive patients were collected for the amplification of the HBV polymerase gene. HBV DNA was detected in five serum and four oral fluid samples (the detection limit for oral fluid was 1.656 log IU/mL in paired serum). In conclusion, simple methodologies of sample collection and in-house polymerase chain reaction (PCR) allowed detection of HBV DNA, and these could be used to improve the diagnosis of OBI, especially in locations with limited resources. PMID- 29211109 TI - Metagenomic analysis reveals Hepatitis A virus in suspected yellow fever cases in Brazil. AB - Using a metagenomic approach, we identified hepatitis A virus among cases of acute febrile illnesses that occurred in 2008-2012 in Brazil suspected as yellow fever. These findings reinforce the challenge facing routine clinical diagnosis in complex epidemiological scenarios. PMID- 29211110 TI - Evaluation of melanin production by Sporothrix luriei. AB - There is a paucity of studies on the cell biology of Sporothrix luriei, the less common of the pathogenic Sporothrix species worldwide. The production of DHN melanin, eumelanin, and pyomelanin were evaluated on the mycelial and yeast forms of the S. luriei ATCC 18616 strain. The mycelial form of this species produced only pyomelanin, which protected the fungus against environmental stressors such as ultraviolet light, heat, and cold. The yeast form was unable to produce any of the tested melanin types. The lack of melanin in the parasitic form of S. luriei may be an explanation for its low frequency in human infections. PMID- 29211111 TI - Auditory skills of figure-ground and closure in air traffic controllers. AB - PURPOSE: To investigate the auditory skills of closure and figure-ground and factors associated with health, communication, and attention in air traffic controllers, and compare these variables with those of other civil and military servants. METHODS: Study participants were sixty adults with normal audiometric thresholds divided into two groups matched for age and gender: study group (SG), comprising 30 air traffic controllers and control group (CG), composed of 30 other military and civil servants. All participants were asked a number of questions regarding their health, communication, and attention, and underwent the Speech-in-Noise Test (SIN) to assess their closure skills and the Synthetic Sentence Identification Test - Ipsilateral Competitive Message (SSI-ICM) in monotic listening to evaluate their figure-ground abilities. Data were compared using nonparametric statistical tests and logistic regression analysis. RESULTS: More individuals in the SG reported fatigue and/or burnout and work-related stress and showed better performance than that of individuals in the CG for the figure-ground ability. Both groups performed similarly and satisfactorily in the other hearing tests. The odds ratio for participants belonging in the SG was 5.59 and 1.24 times regarding work-related stress and SSI-ICM (right ear), respectively. CONCLUSION: Results for the variables auditory closure, self reported health, attention, and communication were similar in both groups. The SG presented significantly better performance in auditory figure-ground compared with that of the CG. Self-reported stress and right-ear SSI-ICM were significant predictors of individuals belonging to the SG. PMID- 29211112 TI - Postswallow voice modification: compatibility with videofluoroscopy findings. AB - PURPOSE: Verify whether voice modification after swallowing is associated with videofluoroscopic examination data. METHODS: 27 patients with oropharyngeal dysphagia underwent recording of sustained phonation of vowel /a/ before and after swallowing during videofluoroscopy. The GRBAS scale and the wet voice parameter were used to evaluate the data. Videofluoroscopy results showed stasis of food in the valleculae and piriform recesses, laryngeal penetration, tracheal aspiration, and degree of dysphagia. RESULTS: Decreased dysphonia grade and asthenia and increased strain were observed after swallowing, with no difference for the wet voice parameter. Sensitivity and specificity of +/- 50% were observed for food stasis in the valleculae and piriform recesses. Sensitivity values of 80 and 66-75% were observed for detection of laryngeal penetration and tracheal aspiration and modification of vocal strain, respectively. Negative predictive values of 77-91% were found for the three assessment parameters with no correlation with the degree of oropharyngeal dysphagia. CONCLUSION: Modification of the GRBAS scale parameters after swallowing showed good compatibility with videofluoroscopy findings. PMID- 29211113 TI - Orofacial Myofunctional Evaluation Protocol for older people: validity, psychometric properties, and association with oral health and age. AB - PURPOSE: To develop a comprehensive assessment protocol for identifying, classifying and grading changes in stomatognathic system components and functions of older people, to determine its psychometric properties and verify its association with oral health and age. METHODS: The content validity of the Orofacial Myofunctional Evaluation with Scores for Elders protocol (OMES-Elders) was established based on the literature. The protocol contains three domains: appearance/posture, mobility, and functions of the stomatognathic system. Eighty two healthy elder volunteers (mean age 69+/-7.24 years) were evaluated using the OMES-Elders. A test-screening for orofacial disorders (reference) was used to analyze the concurrent validity (correlation test), sensitivity, specificity and accuracy (Receiver Operating Characteristic Curve: ROC curve) of the OMES-Elders. The association of the OMES-Elders scores with the Oral Health Index (OHX) and age in the sample was tested. RESULTS: There was a significant correlation between the OMES-Elders and the reference test (p < 0.001). Reliability coefficients ranged from good (0.89) to excellent (0.99). The OMES-Elders protocol had a sensitivity of 82.9%, specificity of 83.3% and accuracy of 0.83. The scores of the protocol were significantly lower in individuals with worse oral health (OHX <= 61%), although individuals with adequate oral health (OHX >= 90%) also had myofunctional impairments. The predictors OHX and age explained, respectively, 33% and 30% of the variance in the OMES-Elders total score. CONCLUSION: As the first specific orofacial myofunctional evaluation of older people, the OMES-Elders protocol proved to be valid, reliable and its total score was associated with oral health and age. PMID- 29211114 TI - Letter to the editor. PMID- 29211115 TI - Acute stress disorder and defense mechanisms: a study of physical trauma patients admitted to an emergency hospital. AB - INTRODUCTION: Acute stress disorder (ASD) encompasses a set of symptoms that can arise in individuals after exposure to a traumatic event. This study assessed the defense mechanisms used by victims of physical trauma who developed ASD. METHOD: This was a controlled cross-sectional study of 146 patients who suffered physical trauma and required hospitalization. A structured questionnaire was used to evaluate ASD symptoms based on DSM-5 diagnostic criteria, in addition to the Defense Style Questionnaire (DSQ). RESULTS: Ten participants (6.85%) received a positive diagnosis of ASD, and 136, (93.15%) a negative diagnosis. The majority of the sample consisted of men with median age ranging from 33.50 to 35.50. The most prevalent defense mechanisms among the 10 patients with ASD were cancellation and devaluation, which belong to the neurotic and immature factors, respectively. Positive associations between the presence of symptoms from criterion B of the DSM-5 and defense mechanisms from the DSQ were found. These included the mechanisms of undoing, projection, passive aggression, acting out, autistic fantasy, displacement, and somatization. CONCLUSION: Patients with ASD employed different defense mechanisms such as undoing and devaluation when compared to patients not diagnosed with ASD. These results mark the importance of early detection of ASD symptoms at a preventative level, thereby creating new possibilities for avoiding exacerbations related to the trauma, which represents an important advance in terms of public health. PMID- 29211116 TI - High burden and frailty: association with poor cognitive performance in older caregivers living in rural areas. AB - INTRODUCTION: Older caregivers living in rural areas may be exposed to three vulnerable conditions, i.e., those related to care, their own aging, and their residence context. OBJECTIVE: To analyze the association of burden and frailty with cognition performance in older caregivers in rural communities. METHOD: In this cross-sectional survey, 85 older caregivers who cared for dependent elders were included in this study. Global cognition (Addenbrooke's Cognitive Examination - Revised; Mini Mental State Examination), burden (Zarit Burden Interview) and frailty (Fried's frailty phenotype) were assessed. All ethical principles were observed. RESULTS: Older caregivers were mostly women (76.7%); mean age was 69 years. Cognitive impairment was present in 15.3%, severe burden in 8.2%, frailty in 9.4%, and pre-frailty in 52.9% of the older caregivers. More severely burdened or frail caregivers had worse cognitive performance than those who were not, respectively (ANOVA test). Caregivers presenting a high burden level and some frailty degree (pre-frail or frail) simultaneously were more likely to have a reduced global cognition performance. CONCLUSION: A significant number of older caregivers had low cognitive performance. Actions and resources to decrease burden and physical frailty may provide better cognition and well being, leading to an improved quality of life and quality of the care provided by the caregivers. PMID- 29211117 TI - Adaptation and validation of the Melbourne Decision Making Questionnaire to Brazilian Portuguese. AB - INTRODUCTION: Decision making (DM) is among the most important abilities for everyday functioning. However, the most widely used measures of DM come from behavioral paradigms, whose ecological validity and standalone use has been criticized in the literature. Though these issues could be addressed by the use of DM questionnaires as a complementary assessment method, no such instruments have been validated for use in Brazilian Portuguese. Therefore, the aim of this study was to conduct the translation and validation of the Melbourne Decision Making Questionnaire (MDMQ) for use in a Brazilian population. METHODS: The adaptation of the MDMQ involved the following steps: translation, back translation, expert review and pilot study. These steps were followed by factor analysis and internal consistency measurements, which led to the exclusion of 4 items from the scale. The 18-item version of the MDMQ was then administered to a validation sample consisting of healthy adults, as well as patients with bipolar disorder (BD) and major depressive disorder (MDD). RESULTS: The instrument displayed good internal consistency, with the hypervigilance subscale showing the lowest, though still acceptable, Cronbach's alpha value. Its factor structure was comparable to that of the original MDMQ according to confirmatory factor analysis. Nevertheless, the MDMQ was sensitive to both depression severity and the presence of MDD and BD, both of which are known to have an impact on DM ability. CONCLUSION: The version of the MDMQ produced in the present study may be an important addition to neuropsychological assessment batteries with a focus on DM and related abilities. PMID- 29211118 TI - Venous Blood Derivatives as FBS-Substitutes for Mesenchymal Stem Cells: A Systematic Scoping Review. AB - Although the biological properties of mesenchymal stem cells (MSC) are well characterized in vitro, MSC clinical application is still far away to be achieved, mainly due to the need of xenogeneic substances for cell expansion, such as fetal bovine serum (FBS). FBS presents risks regarding pathogens transmissions and internalization of animal's proteins, which can unleash antigenic responses in patients after MSC implantation. A wide range of venous blood derivatives (VBD) has been reported as FBS substitutes showing promising results. Thus, the aim of this study was to conduct a systematic scoping review to analyze whether VBD are effective FBS substitutes for MSC ex vivo expansion. The search was performed in SciVerse ScopusTM, PubMed, Web of ScienceTM, BIREME, Cochrane library up to January 2016. The keywords were selected using MeSH and entry terms. Two independent reviewers scrutinized the records obtained considering specific inclusion criteria. The included studies were evaluated in accordance with a modified Arksey and O' Malley's framework. From 184 found studies, 90 were included. Bone marrow mesenchymal stem cells (BMMSC) were presented in most of these studies. Overall, VBD allowed for either, maintenance of MCS's fibroblast-like morphology, high proliferation, high colony-formation ability and maintenance of multipotency. Besides. MSC expanded in VBD supplements presented higher mitogen activity than FBS. VBD seems to be excellent xeno-free serum for ex vivo expansion of mesenchymal stem cells. However, an accentuated heterogeneity was observed between the carried out protocols for VBD isolation did not allowing for direct comparisons between the included studies. PMID- 29211119 TI - Study of Microbial Interaction Formed by "Candida krusei" and "Candida glabrata": "In Vitro" and "In Vivo" Studies. AB - Recently, the non-albicans Candida species have become recognized as an important source of infection and oral colonization by association of different species in a large number of immunosuppressed patients. The objective of this study was to evaluate the interactions between C. krusei and C. glabrata in biofilms formed in vitro and their ability to colonize the oral cavity of mouse model. Monospecies and mixed biofilms were developed of each strain, on 96-well microtiter plates for 48 h. These biofilms were analyzed by counting colony-forming units (CFU/mL) and by determining cell viability, using the XTT hydroxide colorimetric assay. For the in vivo study, twenty-four mice received topical applications of monospecie or mixed suspensions of each strain. After 48 h, yeasts were recovered from the mice and quantified by CFU/mL count. In the biofilm assays, the results for the CFU/mL count and the XTT assay showed that the two species studied were capable of forming high levels of in vitro monospecie biofilm. In mixed biofilm, the CFU of C. krusei increased (p=0.0001) and C. glabrata decreased (p=0.0001). The metabolic activity observed in XTT assay of mixed biofilm was significantly reduced compared with a single C. glabrata biofilm (p=0.0001). Agreeing with CFU in vitro count, C. glabrata CFU/mL values recovered from oral cavity of mice were statistically higher in the group with single infection (p=0.0001) than the group with mixed infection. We concluded that C. krusei inhibits C. glabrata and takes advantage to colonize the oral cavity and to form biofilms. PMID- 29211120 TI - Cell Derived Microparticles in Gingival Crevicular Fluid from Periodontitis Patients with Type 2 Diabetes. AB - Cell-derived microparticles (MPs) have been described as vital contributors to the inflammatory process. However, its role in the periodontal disease pathogenesis remains unclear. Therefore, we aimed to detect the presence neutrophil (CD66b+) and platelet (CD41b+) derived microparticles in gingival crevicular fluid from individuals having periodontitis aggravated by type 2 diabetes. Twelve patients (56.2 +/-7.2 yrs) with severe form of chronic periodontitis aggravated by type 2 diabetes were included. Clinical and metabolic data were gathered. Gingival crevicular fluid was collected using filter strips from deep and shallow sites. MPs were detected by flow cytometry according to their size (< 1 um) and the expression of surface markers (CD66b for neutrophil derived MPs and CD41b for platelet-derived MPs). All samples were positive for the antibodies. Median levels of CD66b+ MPs and CD41b+ MPs were, respectively, 3,677.0 (2,553.2 - 9,059.8) MP/uL and 520.7 (432.9 - 766.1) MP/uL in deep sites. In shallow sites, the corresponding values were 2,644.9 (1,451.5 - 3,858.9) MP/uL and 371.2 (287.2 - 692.7) MP/uL. There was no significant difference between deep and shallow sites (p>0.05). In conclusion, this study reported the presence of neutrophil and platelet derived microparticles in gingival crevicular fluid from individuals having severe periodontitis and type 2 diabetes. PMID- 29211121 TI - Evolution of Periodontal Disease: Immune Response and RANK/RANKL/OPG System. AB - The aim of this study was to evaluate markers of bone loss and immune response present in evolution of periodontal disease. One hundred and two Wistar rats were divided into three animals groups: PD0, without ligation and PD15 days and PD60 days, submitted to ligation placement with a sterile 3-0 silk cord in the cervical region of the upper first molar on both sides. Samples were obtained from the gingival tissue for histomorphometric analysis, immunohistochemical analysis of RANK, RANKL, OPG, characterization of the inflammatory infiltrate, quantification of nitric oxide, MCP-1, RANTES, IP10 chemokines, and expression of the TGF-b1, VEG, and bFGF. The number of inflammatory cells in gingival tissue was higher in PD60 samples. The collagen content and the area occupied by birefringent collagen fibers were lower for PD60. Differential leukocyte counting showed that there was a significantly higher polymorphonuclear influx in group PD15, while PD60 showed a greater number of lymphocytes. PD60 showed higher RANTES, IP-10, MCP-1 gene transcripts, as well as a higher nitric oxide concentration. Clinical evaluation revealed that the PD60 group presented an increase in furcal area. In conclusion, in this animal model the increase of RANK/RANKL and HGF markers is related to a specific immune response, and probably contributed to the evolution of periodontal disease. Investigating the effect of these biomarkers can help in targeted therapy for bone resorption, since blocking these can inhibit bone loss. PMID- 29211122 TI - Actinomycosis is not Frequent in the Periapex But is a Persistent Lesion. AB - Periapical actinomycosis caused by a gram-positive anaerobic pathogen characterizes a typical extra-radicular infection. This study determined the frequency and correlated the content of bacteria colonies with the of periapical actinomycosis size. The study comprised a total of 218 periapical lesions (PL) (cysts, granulomas or abscess). The specimens embedded in paraffin were sliced into 4-um sections and stained with hematoxylin-eosin, Gram, Periodic Acid-Schiff (PAS) and Grocott's stain. The presence of bacterial colonies composed of filamentous structures labeled with the histochemical stains were described as Actinomyces, and for each case, the bacterial colonies were counted and measured. The correlation between the number and size of bacterial colonies and the size of PL was tested using Pearson's adjusted correlation coefficient. From 218 PL, bacterial colonies were identified in 64 biopsies. Seven cases (0.3%) fulfill the criteria for diagnosis of periapical actinomycosis. All of cases were therapy resistant and did not showed periapical repair after 12 months of follow-up. Periapical surgery or dental extraction was performed. The correlation test indicated no correlation between the number of bacterial colonies and the lesion size (p=0.752, r=-0.148). However, a larger bacterial colony size generally resulted in a larger periapical lesion (P=0.000, r=0.657). The frequency of periapical actinomycosis was low, and this lesion should be included in the differential diagnosis of PL. The size of the Actinomyces colonies seemed to contribute to increase the size of the periapical lesion. PMID- 29211123 TI - Peri-Implant Bone Loss of External Hexagon and Morse Taper in Patients Wearing Immediately Loaded Overdentures. AB - The aim of this study was to evaluate the peri-implant bone loss of External Hexagon (EH) and Morse Taper (MT) implants in patients wearing immediately loaded mandibular overdentures during a 1-year follow-up. This is a non-randomized controlled clinical trial including 18 MT and 22 EH implants. Periapical radiographs were taken after overdentures insertion and following 1 year. The peri-implant bone loss was assessed through digitalization and analysis of the radiographs in the software Corel DRAW X7. For this, measurement from implant platform to residual ridge at mesial and distal surfaces of each implant was conducted. The results showed high success rate in the groups EH (100%) and MT (94.4%). For peri-implant bone levels, it was found significant difference between the groups (p=0.032) and greater bone loss was observed in the group EH. In general, bone loss was 0.85mm (+/-0.82) for EH and 0.10mm (+/-1.0) for MT. It was concluded that greater bone loss occurred in the group EH in comparison to the group MT after a 1-year follow-up. PMID- 29211124 TI - Association of Oral Lichen Planus and Electrocardiographic P-Wave Dispersion - An Original Research. AB - Lichen planus (LP) is considered to be a T-cell-mediated inflammatory disorder. Inflammation is considered to produce disturbances of lipid metabolism which may affect the myocardium. Increased P-Wave Dispersion (PWD) is demonstrated as an independent risk factor for developing atrial fibrillation (AF). Hence the present study has been conducted to explore the possible relationship of oral lichen planus (OLP) with AF by the evaluation of PWD. Twelve-lead electrocardiographs (ECG) were obtained from 45 OLP patients and 45 age and gender-matched healthy controls. The P-wave durations (Pmax and Pmin) were calculated in all 12 leads. The difference between Pmax and Pmin was defined as P Wave Dispersion (PWD). After the PWD was recorded, the results were statistically analyzed. The study showed that PWD increased on surface ECG measurements in OLP patients who were otherwise asymptomatic in relation to cardiac conditions. The p value obtained was <0.001 which was highly significant. The present study suggests a highly statistically significant association of OLP with increased P wave dispersion. Hence the patients with OLP should undergo cardiac evaluation and follow up for early detection of atrial fibrillation. PMID- 29211125 TI - Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2. AB - This study determined the oxygen saturation (SaO2) in dental pulp of healthy maxillary and mandibular molars. Mean of SaO2 was evaluated in 112 maxillary and mandibular molars using pulse oximetry. Quantitative variables were described by mean and standard deviation. Variables with symmetric distribution were compared by Student t test and Mann-Whitney test. Pearson's correlation coefficient was used to correlate quantitative variables. Analysis of variance was used to assess differences in SaO2 levels between the molar groups, followed by post-hoc Tukey. The significance level established at p<0.05. Mean of oxygen saturation for the 112 molar dental pulps was 85.09%. There was no significant correlation (r= 0.007; p=0.977) between the mean of SaO2 of molar pulps with patient's indicator finger (92.89%). There was a significant difference (p=0.037) between the mean of SaO2 of the first (85.76%) and second maxillary molars (81.87%), and it was not significant (p=0.1775) between the first and second mandibular molars. Maxillary molars had lower pulpal SaO2 (83.59%) than mandibular molars (86.89%) (p=0.018). The mean of the patient's response time to the cold stimulus was 1.12 s (maxillary molars 1.25 s and mandibular molars 0.99 s)(p=0.052). There was no significant correlation between the time response of the patient to the cold stimulus and the SaO2 for molars. The mean oxygen saturation level was 85.09%. The mandibular molars presented higher SaO2 level than maxillary molars. PMID- 29211126 TI - Effect of Reciprocating Systems and Working Lengths on Apical Microcrack Development: a micro-CT Study. AB - The objective of this study was to evaluate the effect of root canal preparation with single-file reciprocating systems at different working lengths on the development of apical microcracks using micro-computed tomographic (micro-CT) imaging. Forty extracted human mandibular incisors were randomly assigned to 4 groups (n=10) according to the systems and working length used to prepare the root canals: Group A - WaveOne Gold at apical foramen (AF), Group B - WaveOne Gold 1 mm short of the AF (AF-1 mm), Group C - Unicone (AF) and Group D - Unicone (AF-1 mm). Micro-CT scanning was performed before and after root canal preparation at an isotropic resolution of 14 um. Then, three examiners assessed the cross-sectional images generated to detect microcracks in the apical portion of the roots. Apical microcracks were visualized in 3, 1, 1, and 3 specimens in groups A, B, C, and D, respectively. All these microcracks observed after root canal preparation already existed prior to instrumentation, and no new apical microcrack was detected. For all groups, the number of slices presenting microcracks after root canal preparation was the same as before canal preparation. Root canal preparation with WaveOne Gold and Unicone, regardless of the working length, was not associated with apical microcrack formation. PMID- 29211127 TI - Evaluation of Stress Distribution in Endodontically Weakened Teeth Restored with Different Crown Materials: 3D-FEA Analysis. AB - This study evaluated the stress distribution in endodontically treated teeth, weakened (W) or not weakened (NW), restored with different materials of prosthetic crown using 3D-FEA. Models of a maxillary canine were constructed based on micro-CT images and divided into the groups: G1 (control) - sound tooth; G2 to G7 - endodontically treated teeth restored with glass fiber post (GFP); which G2 to G4 simulated NW root and G5 to G7 simulated W root. For crown material the teeth were restored with: G2 and G5: metallic coping and ceramic veneering, G3 and G6: zirconia coping and ceramic veneering, G4 and G7: alumina coping and ceramic veneering. Load of 180 N was applied at the incisal third of lingual surface at 45o. Models were supported by the periodontal ligament (x=y=z=0). The von Mises stress (VMS) values were calculated. The W teeth presented higher VMS at coping when compared to NW teeth and group G1 showed lower VMS value. For crown material, for both W or NW teeth, increasing VMS was found at metallic, zirconia and alumina coping, respectively. Metallic coping showed a better performance despite its unfavorable esthetics, suggesting as an appropriate material for prosthetic restoration of endodontically treated teeth. PMID- 29211128 TI - In-Office Tooth Bleaching for Adolescents Using Hydrogen Peroxide-Based Gels: Clinical Trial. AB - The aim of the present study was to evaluate colorimetric changes and tooth sensitivity in adolescents and young patients submitted to tooth bleaching with 20% and 35% hydrogen peroxide. A randomized, controlled, clinical trial was conducted with 53 patients aged 11 to 24 years who were allocated to groups based on the use of the following commercial products: Whiteness HP - FGM(r) (35% hydrogen peroxide); Whiteness HP Blue Calcium - FGM(r) (35% hydrogen peroxide); and Whiteness HP Blue Calcium - FGM(r) (20% hydrogen peroxide). After the bleaching procedure, the visual analog scale was used to measure tooth sensitivity and the Vita Classical Shade guide was used to determine changes in tooth color. Statistical analysis involved the Friedman, Kruskal-Wallis and Student-Newman-Keuls tests, with p<=0.05 considered indicative of statistical significance. The addition of calcium contributed to a reduction in tooth sensitivity, especially when the lower concentration of hydrogen peroxide (20%) was used. Tooth sensitivity occurred in a transitory way and did not influence the tooth bleaching process. Significant differences in color were found after each of the two bleaching sessions. In-office tooth bleaching was considered an effective method for adolescents and young adults. Further studies in this population are necessary in order to fully evaluate the effects of bleaching in young teeth. PMID- 29211129 TI - Influence of Different Concentration and Ratio of a Photoinitiator System on the Properties of Experimental Resin Composites. AB - The aim in this study was to evaluate the influence of different ratio of camphorquinone/tertiary amine concentration on the flexural strength (FS), elastic modulus (EM), degree of conversion (DC), yellowing (YL), water sorption (WS) and water solubility (WSL) of experimental composites. Thus, acrylate blends were prepared with different camphorquinone (CQ) and amine (DABE) concentrations and ratios by weight: (CQ/DABE%): 0.4/0.4% (C1), 0.4/0.8% (C2), 0.6/0.6% (C3), 0.6/1.2% (C4), 0.8/0.8% (C5), 0.8/1.6% (C6), 1.0/1.0% (C7), 1.0/2.0% (C8), 1.5/1.5% (C9), 1.5/3.0% (C10). For the FS and EM, rectangular specimens (7x2x1 mm, n=10) were photo-activated by single-peak LED for 20 s and tested at Instron (0.5 mm/min). Then, the same specimens were evaluated by FTIR for DC measurement. For YL, disks (5x2 mm, n=10) were prepared, light-cured for 20 s and evaluated in spectrophotometer using the b aspect of the CIEL*a*b* system. For WS and WSL, the volume of the samples was calculated (mm3). For WS and WSL, composites disks (5x0.5 mm, n=5) were prepared. After desiccation, the specimens were stored in distilled water for 7 days and again desiccated, in order to measure the WS and WSL. Data were submitted to one-way ANOVA and Tukey's test (5%). The groups C8, C9 and C10 showed higher DC, EM and YL means, compared to other composites. Therefore, the FS and WS values were similar among all groups. Also, C1, C2 and C3 presented higher WSL in 7 days, compared to other composites. In general, higher concentrations of camphorquinone promoted higher physical-mechanical properties; however, inducing higher yellowing effect for the experimental composites. PMID- 29211130 TI - Dentin Sealing and Bond Strength Evaluation of Hema-Free and Multi-Mode Adhesives to Biomodified Dentin. AB - This study evaluated the effect of dentin biomodification on the bond strength (BS) and sealing ability (SA) of HEMA-free and multi-mode adhesives after 24 h and 6 months of water storage. Four adhesives were tested: two multi-mode (Scotchbond Universal - SU, and Prime & Bond Elect - PB) and two HEMA-free (All Bond 3 - AB, and G-Aenial - GA). Human third molars were selected and dentin was treated with two cross-linking agents (5% glutaraldehyde and 6.5% proanthocyanidin-rich grape seed extract - PACs) for 10 min or kept untreated (control group) (n=6). Teeth were sectioned and prepared for BS test and SA analysis. The SA measurements were taken with the presence of smear layer (minimum permeability), EDTA treatment (maximum permeability), PACs application, adhesive application and after 6 months of water storage. BS data were analyzed by Proc Mixed and Tukey-Kramer test (alpha=5%). PACs application increased the BS for all adhesives tested at 24 h. However, BS decreased for SU and AB after six months. In general, multi-mode adhesives (SU and PB) did not differ from AB HEMA free. GA presented the lowest BS values at both times of evaluation. Dentin permeability was reduced after PACs application and remained the same after 6 months, regardless adhesive application. PACs can increase the BS regardless the type of adhesive, however only for PB and GA the BS kept stable after 6-months of water storage. PACs was able to seal the dentin as the minimum permeability and also remained stable after 6 months. PMID- 29211131 TI - In Vitro Evaluation of the Remineralizing Potential and Antimicrobial Activity of a Cariostatic Agent with Silver Nanoparticles. AB - Cariostatic treatment has been shown to successfully arrest caries. However, it blackens the carious tooth structure. This study evaluated the effects of an experimental cariostatic agent with silver nanoparticles (Ag-Nano) using microhardness (MH) and microbiological tests. The cariostatic agents tested were: Saforide(r), Cariestop(r), Ancarie(r) and Ag-Nano. Sixty-six samples from deciduous enamel were submitted to initial (after pH cycling to obtain initial caries-like lesion) and final (after cariostatic application) MH testing and %MH values were calculated. After longitudinal sectioning, internal (I) MH was evaluated. Strains of Streptococcus mutans, Escherichia coli, and Enterococcus faecalis in brain-heart infusion culture were treated with the cariostatic agents. Agar diffusion tests (ADTs) were performed and minimum inhibitory concentrations were determined. The statistical tests used were: Kruskal-Wallis and Dunn (%MD; ADT; MIC) and ANOVA followed by Tukey's test (I-MH) (p<0.05). The %MH of Saforide(r) was significantly greater than that of Ag-Nano (p<0.05). Internal MH showed progressive improvement in the enamel remineralization for all cariostatic tested. In ADTs showed greater inhibition of S. mutans, E. faecalis, and E. coli by Saforide(r) than by Ancarie(r) and Ag-Nano. Ag-Nano was able to inhibit 100% microorganism growth at a lower concentration than required for the other agents. It was concluded that Ag-Nano treatment promoted remineralization of deciduous tooth enamel with initial caries-like lesion and bactericidal activity. PMID- 29211132 TI - Effect of the Bis-Dimethylamino Benzydrol Coinitiator on the Mechanical and Biological Properties of a Composite. AB - To examine the effect of the alternative coinitiator 4,4'bis dimethylamino benzydrol (BZN) in degree of conversion (DC), mechanical and biological properties of experimental composites. The coinitiator BZN was used in three concentrations (0.2, 0.5 and 1.2%), and the coinitiator DMAEMA was used as control at the same concentrations as above. The molar concentration of camphorquinone (CQ) and coinitiators was kept constant (1:1). The composites were manipulated and submitted to microhardness test (VHN), flexural and compressive strength (in MPa), elastic modulus (GPa), DC (FT-IR) and in vitro cytotoxicity (against 3T3 fibroblastic cells) of the experimental resins. Data were subjected to two-way ANOVA and Tukey post-test (alpha=0.05). The experimental composite resin with BZN showed higher DC values compared to control DMAEMA groups. For the mechanical properties, microhardness values were higher in BZN groups; flexural strength and elastic modulus were similar between all the groups. Compressive strength for groups BZN0.5 and DMAEMA0.5 were not statistically different, being the lowest values attributed to group BZN0.2. The experimental resins with BZN and DMAEMA were considered nontoxic against 3T3 fibroblasts. The inclusion of the coinitiator BZN in experimental composites was considered nontoxic against 3T3 fibroblast cells, without compromising DC and mechanical properties. PMID- 29211133 TI - A 12-Year Retrospective Study of Avulsion Cases in a Public Brazilian Dental Trauma Service. AB - This study assessed the epidemiological characteristics and management of the permanent teeth avulsion cases attended in a Brazilian dental trauma service from December 2005 to August 2016. A retrospective study was conducted of case records of 93 patients involving 139 avulsed teeth. Data included sex, age, trauma etiology, location of the accident, number and position of avulsed teeth, and presence and type of associated traumatic lesions. Management of the avulsed teeth was addressed as: time elapsed until teeth were retrieved from the accident's location; teeth's cleaning method and storage media; time elapsed until seeking treatment and replantation. The majority of the patients were children from 6-10 (31.2%) and 11-15 years old (26.9%). Male patients were more affected than female. Bicycle accident was the main etiological factor (31.2%). In 56 (60.2%) cases, traumatic lesions to neighboring teeth were present. In 55 (59.1%) cases, lesions to adjacent soft tissues were reported. In 82 (88.2%) cases, patients requested treatment at the same day of the accident. Sixty-four teeth (46.0%) were immediately retrieved and 28 (20.1%) were not found. Forty-two teeth (30.2%) were kept dry. Only one tooth (0.7%) was immediately replanted at the accident's site, while 51 teeth (36.7%) were not replanted. Numerous avulsed teeth were inappropriately managed and immediate replantation was not frequent. Public policies must be created to raise awareness towards the particularities of avulsion cases. PMID- 29211134 TI - Gastrointestinal helminths of two populations of wild pigeons (Columba livia) in Brazil. AB - The present study analyzed gastrointestinal helminth communities in 265 wild pigeons (Columba livia) living in the municipalities of Sao Paulo and Tatui, state of Sao Paulo, Brazil, over a one-year period. The birds were caught next to grain storage warehouses and were necropsied. A total of 790 parasites comprising one nematode species and one cestode genus were recovered from 110 pigeons, thus yielding an overall prevalence of 41.5%, mean intensity of infection of 7.2 +/- 1.6 (range 1-144) and discrepancy index of 0.855. Only 15 pigeons (5.7%) presented mixed infection. The helminths isolated from the birds were Ascaridia columbae (Ascaridiidae) and Raillietina sp. (Davaineidae). The birds' weights differed according to sex but this did not influence the intensity of infection. The overall prevalence and intensity of infection did not differ between the sexes, but the prevalence was higher among the birds from Tatui (47.8%). The gastrointestinal helminth community of C. livia was characterized in the two areas studied and parasite homogeneity was observed over the 12 months analyzed at both locations. These results make contributions to the current literature on health aspects of wild C. livia populations. PMID- 29211135 TI - Longitudinal evaluation of humoral immune response and merozoite surface antigen diversity in calves naturally infected with Babesia bovis, in Sao Paulo, Brazil. AB - Babesiosis is an economically important infectious disease affecting cattle worldwide. In order to longitudinally evaluate the humoral immune response against Babesia bovis and the merozoite surface antigen diversity of B. bovis among naturally infected calves in Taiacu, Brazil, serum and DNA samples from 15 calves were obtained quarterly, from their birth to 12 months of age. Anti-B. bovis IgG antibodies were detected by means of the indirect fluorescent antibody test (IFAT) and enzyme-linked immunosorbent assay (ELISA). The polymerase chain reaction (PCR) was used to investigate the genetic diversity of B. bovis, based on the genes that encode merozoite surface antigens (MSA-1, MSA-2b and MSA-2c). The serological results demonstrated that up to six months of age, all the calves developed active immunity against B. bovis. Among the 75 DNA samples evaluated, 2, 4 and 5 sequences of the genes msa-1, msa-2b and msa-2c were obtained. The present study demonstrated that the msa-1 and msa-2b genes sequences amplified from blood DNA of calves positive to B. bovis from Taiacu were genetically distinct, and that msa-2c was conserved. All animals were serologically positive to ELISA and IFAT, which used full repertoire of parasite antigens in despite of the genetic diversity of MSAs. PMID- 29211136 TI - Surveillance System for Risk and Protective Factors for Chronic Diseases by Telephone Survey (Vigitel): changes in weighting methodology. AB - OBJECTIVE: to introduce the methodology used to calculate post-stratification weights of the 2012 Surveillance System for Risk and Protective Factors for Chronic Diseases by Telephone Survey (Vigitel) and to compare the trends of indicators estimated by cell-by-cell weighting and raking methods. METHODS: in this panel of cross-sectional studies, the prevalences of smokers, overweight, and intake of fruits and vegetables from 2006 to 2012 were estimated using the cell-by-cell weighting and raking methods. RESULTS: there were no differences in time trends of the indicators estimated by both methods, but the prevalence of smokers estimated by the raking method was lower than the estimated by cell-by cell weighting, whilst the prevalence of fruit and vegetable intake was higher; for overweight, there was no difference between the methods. CONCLUSION: raking method presented higher accuracy of the estimates when compared to cell-by-cell weighting method, proving to be most convenient, although it presents register coverage bias. PMID- 29211137 TI - Breast cancer screening in Brazil: an assessment of supply and use of Brazilian National Health System health care network for the period 2010-2012. AB - OBJECTIVE: to assess the supply and use of procedures for early detection, diagnosis and surgeries of breast cancer in the Brazilian National Health System (SUS). METHODS: descriptive study using data from SUS Ambulatory Care and Hospital Information Systems, and from the National Register of Health Care Facilities; the indicators of supply and use of these services in Brazil and its macroregions for 2010-2012 were calculated. RESULTS: the ratio mammography equipment and female population/100 thousand remained stable (1.5), ranging from 1.0 in the North region to 2.0 in the South; the ratio mammograms and female population/100 thousand increased in all macroregions; there was a low proportion of diagnostic procedures when compared to the estimates (biopsy, 11.5%; core biopsy, 16.6% in women aged 50-69 years); the installed capacity decreased, however the production increased, and the supply (3,995,627) was below the necessary to cover 70% (7,785,415). CONCLUSION: there are inequalities in supply and use of the procedures in the Brazilian regions, and the access to diagnosis is worrisome. PMID- 29211138 TI - Factors associated with homicide in Manaus, Amazonas, Brazil, 2014. AB - OBJECTIVE: to identify characteristics, magnitude and factors associated with homicide in Manaus-AM, Brazil. METHODS: cross-sectional study, with data from the Mortality Information System (SIM); homicide rates and odds ratio (OR) were estimated, comparing to other external causes, for 2014; logistic regression was used. RESULTS: of the 1,657 violent deaths, 913 were due to homicide; homicide rate was of 55.8/100 thousand inhabitants (95%CI 52.1;59.7); odds ratio was higher among males (OR 3.4; 95%CI 2.3;5.1) when compared with females; among single (OR 1.6; 95%CI 1.1;2.5) and widowed individuals (OR 4.1; 95%CI 1.1;15.6), when compared with married individuals; at night/early hours (OR 2.1; 95%CI 1.6;2.9) and in the afternoon (OR 1.7; 95%CI 1.2;2.4), when compared with the morning period; the probability was higher among individuals under 35 years, with less schooling. CONCLUSION: homicide mortality in Manaus was high, especially among males and young individuals with less schooling. PMID- 29211139 TI - Use of psychotropic medications in adults and elderly living in Campinas, Sao Paulo, Brazil: cross-sectional population-based study. AB - OBJECTIVE: to estimate the prevalence of use of psychotropic medicines and associated factors in adults and elderly, and to identify the main classes used. METHODS: cross-sectional population-based study, conducted in Campinas-SP, Brazil (January/2008-April/2009); chi-square Rao-Scott test and Poisson multiple regression were applied. RESULTS: the study included 2,472 individuals and the prevalence of use of at least one psychotropic medication in the three previous days was 6.8% (95%CI 5.5;8.1); in the adjusted analyses, there were positive associations between use and female sex (PR=1.48; 95%CI 1.01;2.18), worse health perception (PR=2.10; 95%CI 1.13;3.89), common mental disorder (PR=1.66; 95%CI 1.09;2.51) and emotional problems (PR=8.04; 95%CI 4.87;13.02); black/brown skinned individuals presented significantly lower use (PR=0.58; 95%CI 0.39;0.88); antidepressants (52.6%), anxiolytics (28.1%) and antipsychotics (17.0%) were the most used. CONCLUSION: inequalities regarding sex and ethnicity/skin color were observed; the findings contribute to the evaluation of the rational use of these drugs. PMID- 29211140 TI - Pharmacotherapeutic profile of users and expenditure on high-cost drugs in Sao Leopoldo, Rio Grande do Sul State, Brazil, 2014. AB - OBJECTIVE: to describe the pharmacotherapeutic profile of users of the Specialized Program for Pharmaceutical Assistance, and to measure the expenditure on the most prevalent and the most expensive medications. METHODS: descriptive study conducted in Sao Leopoldo-RS, Brazil, with secondary data regarding information about requests accepted in 2014, through administrative proceedings; delivery notes of the State Health Department/RS were used to assess the costs. RESULTS: 1,528 users were included in the study, mostly women (56.7%), and the average age was 52 years (standard deviation=17.9); the most frequent diagnoses were allergic asthma (17.1%), chronic kidney disease (11.5%) and rheumatoid arthritis (8.4%); the most prevalent drug was budesonide+formoterol fumarate (18.3%); among the most prevalent drugs, the highest total monthly expense was with epoetin alfa (BRL37,922.34) and among the most expensive drugs, infliximab (BRL72,503.28). CONCLUSION: the data show the importance of the Specialized Program for Pharmaceutical Assistance in the high-cost treatment of highly prevalent. PMID- 29211141 TI - Hospitalizations due to drug poisoning in under-five-year-old children in Brazil, 2003-2012. AB - OBJECTIVE: to describe hospitalizations due to drug poisonings in children under five years old, in Brazil, from 2003 to 2012. METHODS: descriptive study, with data from the National Hospital Information System (SIH/SUS); the drugs involved were divided into therapeutic classes, according to the Anatomical Therapeutic Chemical Classification (ATC). RESULTS: 17,725 hospitalizations were identified, from which 22,395 poisonings were identified, and 75 deaths; the most common therapeutic classes were unspecified drugs (38.0%), antiepileptic/sedative hypnotics/anti-parkinson drugs (19.8%), systemic antibiotics (13.4%) and non opioid-analgesics/antipyretics (6.5%), varying among country regions and age groups; in 38.5% of the poisonings it was not possible to correlate therapeutic classes and ATC categories. CONCLUSION: the high frequency of unspecified drugs was a limitation; among the specified drugs, the most common were those that act in the central nervous system and those used in pediatric diseases (antibiotics and analgesics). PMID- 29211142 TI - Tuberculosis in the Brazilian imprisoned population, 2007-2013. AB - OBJECTIVE: to describe socio-demographic and clinical characteristics and indicators of tuberculosis (TB) in Brazilian imprisoned population, from 2007 to 2013. METHODS: descriptive study with data from the Information System for Notifiable Diseases (Sinan). RESULTS: from 2007 to 2013, 38,083 TB cases were reported in the imprisoned population, equivalent to a TB prevalence of 1,236 cases/100,000 individuals; this prevalence was higher among women (1,693/100,000), indigenous people (2,874/100,000), and in the age group >60 years (4,093/100,000); there were mainly reports of cases of pulmonary TB (91.5%) and new cases (78.1%); the TB incidence rate in 2013 (904.9/100,000) was higher than 2007 (627.6/100,000), whilst the mortality rate in 2013 (16.0/100,000) was lower than 2007 (18.0/100,000). CONCLUSION: TB in the imprisoned population presents some specific characteristics and higher occurrence than in the general population; the highest prevalence in women and the highest incidence at the end of the study period stood out. PMID- 29211143 TI - Hospitalizations due to diseases associated with poor sanitation in the public health care network of the metropolitan region of Porto Alegre, Rio Grande do Sul State, Brazil, 2010-2014. AB - OBJECTIVE: to describe the occurrence, characteristics and expenditures of hospitalizations due to diseases associated with poor sanitation funded by the Brazilian National Health System (SUS) among residents of the metropolitan region of Porto Alegre-RS, Brazil, from 2010 to 2014. METHODS: descriptive study with data from SUS Hospital Information System (SIH/SUS). RESULTS: out of 13,929 hospitalizations for diseases associated with poor sanitation, 93.7% were related to fecal-oral transmission diseases and 20.4% were children from 1 to 4 years of age (28.1 hospitalizations/10,000 inhabitants/year); hospital fatality rate was of 2.2%, fecal-oral transmission diseases were the main causes of death; intensive care unit (ICU) was used in 2.0% of hospitalizations; total expenditures on hospitalizations was around BRL6.1 million. CONCLUSION: diseases associated with poor sanitation are still an important issue in the metropolitan region of Porto Alegre-RS, although this region presents good development indicators. PMID- 29211144 TI - Social deprivation index and leprosy in Para State, Brazil, in 2013: spatial analysis. AB - OBJECTIVE: to analyze the ecological association between the condition of social deprivation and leprosy detection rate in Para State, Brazil. METHODS: cross sectional ecological study with data from the Information System for Notifiable Diseases (Sinan); global and local bivariate Moran's factor analysis and autocorrelation were used to identify spatial patterns associated with the distribution of the social deprivation index (SDI) and leprosy detection rate (LDR). RESULTS: in 2013, 3,358 new cases of leprosy were reported in Para, with LDR of 41.98 cases/100,000 inhabitants; higher rates were observed in the municipalities of the Araguaia region; 17.5% of the 143 municipalities of the state were considered hyperendemic (LDR>40.00) and 30.8% presented poor SDI; there was spatial autocorrelation between LDR and SDI (p<0.05). CONCLUSION: there was spatial association between SDI and LDR, with higher leprosy detection in the municipalities with higher social deprivation. PMID- 29211145 TI - Assessment of the implementation of the Leprosy Control Program in Camaragibe, Pernambuco State, Brazil. AB - OBJECTIVE: to assess the implementation of the actions of the Leprosy Control Program in Camaragibe, Pernambuco State, Brazil. METHODS: evaluative research with 'implementation analysis', based on criteria, indicators and parameters guided from the construction of the Logic Model; four components were assessed - management, health care, epidemiological surveillance, health education and communication -; direct observation/questionnaire was used, as well as data from the Information System for Notifiable Diseases. RESULTS: the implementation of the program was incipient (58.3%); the estimate for the components varied from 'not implemented' (health education and communication, 48.0%), 'incipient' (management, 53.3%; health care, 57.2%) to 'partially implemented' (epidemiological surveillance, 73.0%); in 2012, it was observed low proportion of examined contacts (28.4%), treatment dropout (34.1%), limited standardization of patient care flow, and poor resolution of problems by managers. CONCLUSION: the level of implementation found was related to the organization of services, with negative repercussions regarding the result indicators. PMID- 29211146 TI - Vaccination coverage according to doses received and timely administered based on an electronic immunization registry, Araraquara-SP, Brazil, 2012-2014. AB - OBJECTIVE: to describe vaccine coverage by type of vaccine at 12 and 24 months of age. METHODS: descriptive cohort study with children born in 2012, living in Araraquara-SP, Brazil, recorded in the Information System on Live Births (Sinasc); a manual linkage of Sinasc data with an electronic immunization registry (EIR) was performed; the assessment was based on vaccination status according to Sao Paulo State recommendations, and on doses received and timely administered. RESULTS: 2,740 children were registered on Sinasc and 99.6% of them were included into EIR; among the 2,612 (95.3%) children studied, the triple viral vaccine (measles, mumps and rubella) had the lowest coverage at 12 months for received dose (74.8%) and at 24 months for timely vaccination (53.5%) and received doses (88.0%). CONCLUSION: coverage was higher than 90% for most vaccines; however, delayed vaccination was observed, which indicates the need to intensify actions aimed at timely vaccination. PMID- 29211147 TI - Assessment of growth monitoring in child care visits at the Family Health Strategy in two municipalities of Paraiba State, Brazil. AB - OBJECTIVE: to assess the process and structural aspects of child care visits at the Family Health Strategy, in relation to growth monitoring. METHODS: evaluative study of implementation analysis, carried out in two municipalities of Paraiba State, Brazil; structural characteristics of the services were assessed and child care visits were observed for analysis of the working process. RESULTS: 119 visits (53 in one municipality and 66 in the other) were observed; they were conducted by 18 nurses who were in charge of child care visits (nine from each municipality); five of the nurses had no training to work in primary health care and four units did not have a scale; weight (84.9%), height (84.0%) and cephalic perimeter (82.7%) measurements were held more frequently than recommendations for mothers (11.8% and 29.4% of the visits about height and weight, respectively). CONCLUSION: child growth monitoring is an action not yet consolidated, with significant deficiencies in the process. PMID- 29211148 TI - Prevalence of food intake among individuals with hypertension and diabetes in the municipality of Nova Boa Vista, Rio Grande do Sul, Brazil, 2013. AB - OBJECTIVE: to describe the food intake among individuals with high blood pressure and diabetes in a municipality in the south of Brazil. METHODS: a cross-sectional descriptive study was conducted in Nova Boa Vista-RS, Brazil, from June to September 2013; food intake was collected from the questionnaire of the Food and Nutrition Surveillance System (SISVAN) and from an adaptation based on the 2008 Dietary Guidelines for the Brazilian Population. RESULTS: 422 individuals were included in the study (>=18 years old); the food that presented the highest recommended intake frequencies were raw salad (60.7%), fruits (73.0%), dairy products (61.4%), fried food (57.3%), snacks (66.4%) and soft drinks (76.3%); processed meat and sweets presented the highest non-recommended intake frequencies, with 34.8 and 23.9%, respectively. CONCLUSION: food intake among the population studied seems to be in accordance to the recommended frequencies, especially among women. PMID- 29211149 TI - Characteristics of the Mortality Information System in municipalities of Sao Paulo State, Brazil, 2015. AB - OBJECTIVE: to describe characteristics of the Mortality Information System (SIM) in municipalities of Sao Paulo State, in 2015. METHODS: descriptive study with data collected through an electronic questionnaire, with questions on the profile of technical managers, human resources and IT structure. RESULTS: 584/645 municipalities (90.5%) participated; technical managers were mainly women (81.5%), nurses (64.9%), career civil servants (66.1%) and had more than 3 years of work experience with SIM (68.2%); in small-sized municipalities (<=30,000 inhabitants), managers were younger (average age of 37.7 years), were also responsible for other systems (92.4%) and used computers with older operating systems (69.5%); in large-sized municipalities (>200,000 inhabitants), managers were older (average age of 47.1 years) and had higher education level (86.5% with higher education degree), they had fast-access internet (83.8%) and in-house technical support (81.1%). CONCLUSION: the technical managers' profile and availability of technological resources used at SIM were different according to population size of the municipalities. PMID- 29211150 TI - [Use of Google Maps for geocoding data from the Mortality Information System in Rio de Janeiro municipality, Brazil, 2010-2012]. AB - OBJECTIVE: to describe the results of the application of a low cost procedure, using free software, for geocoding data from the Mortality Information System (SIM), in the municipality of Rio de Janeiro. METHODS: descriptive study using Google Maps database for geocoding deaths data recorded at SIM, occurred from 2010 to 2012, in Rio de Janeiro; the study was carried out in three stages, (i) standardization of addresses, (ii) geocoding by Google Maps, and (iii) manual intervention. RESULTS: from the total of 26,081 addresses submitted to the procedure, 18,646 (71.5%) had exact matches; the remaining 7,435 were submitted to manual intervention, which found 5,250; 70.6% of the addresses were not initially found; a total of 91.6% of the addresses were geocoded. CONCLUSION: the procedure presented high proportion of automatic matches and, although it demanded much time, manual intervention allowed a considerable reduction of losses. PMID- 29211151 TI - Characteristics of suicide mortality among indigenous and non-indigenous people in Roraima, Brazil, 2009-2013. AB - OBJECTIVE: to describe suicide characteristics and mortality rates among indigenous and non-indigenous people in Roraima, Brazil. METHODS: descriptive study using data from the Mortality Information System (SIM) about the suicides in individuals over 10 years old, recorded in the period from 2009 to 2013; suicide mortality rates were adjusted by sex and age. RESULTS: 170 suicide cases were reported, being 17.1% among indigenous people; median ages were 24 years among indigenous and 29 among non-indigenous people; four municipalities concentrated 25/29 of the suicides among indigenous people; the 141 suicides among non-indigenous people were distributed in 13/15 municipalities in the state; suicide mortality rates were 15.0/100,000 among indigenous people and 8.6/100,000 among non-indigenous people. CONCLUSION: ethnic-racial peculiarities stood out in suicide mortality; among the indigenous people, rates were higher, younger ages prevailed and deaths were concentrated in a smaller number of municipalities, when compared to non-indigenous people. PMID- 29211152 TI - Guidelines for reporting health economic evaluation studies. PMID- 29211153 TI - Enhancement of public policy with a focus on functioning: evaluations and reflections on the Continuous Cash Benefit program in Brazil. PMID- 29211154 TI - Democracy, Social Security and Income Transfer in Brazil. PMID- 29211155 TI - BPC: from security advances to the risk of social security reform. AB - This paper analyzes the proposed changes in the Continuous Cash Benefit (BPC) discussed within the Social Security Reform, both with regard to the Federal Government's original proposal in 2016 and the proposal by the rapporteur's project submitted to Congress in 2017. The proposed changes focus on two aspects: increased minimum age of access and unlinking the BPC amount from the minimum wage amount. The document discusses the justifications for the BPC reform, regarding both disincentives to social security contributions and demographic changes, as well as estimated possible impacts of proposed changes. The study concludes that measures, if approved, tend to reduce coverage and increase income vulnerability of the elderly and the disabled in the country. PMID- 29211156 TI - Street-level Bureaucracy and Social Policy in Brazil. AB - This paper describes the Brazilian central government bureaucracy and people with disabilities' access to the Continuous Cash Benefit (BPC). This access depends on the Ministry of Social Security bureaucracy's evaluation of the condition of vulnerability. We performed a literature review, analysis of secondary data from time series and cross-sectional data to describe street-level federal bureaucracy. Legal documents and indicators describe the expert evaluation regimen of the Ministry of Social Security (MPS). This paper shows the uneven growth of the number of career public servants of the central government in the last two decades. The Brazilian central government has adopted the international concept of person with disabilities in the evaluation of BPC applicants. Despite this decision, it is shown that the Brazilian central government expanded selectively the career bureaucracy to work in the social area. It was found that the result of the evaluation process was quite strict, favoring applicants in conditions of extreme biomedical vulnerability. Despite adopting the social model, BPC eligibility is tied to medical diagnosis. PMID- 29211157 TI - Social protection and public policy for vulnerable populations: an assessment of the Continuous Cash Benefit Program of Welfare in Brazil. AB - This paper describes the historical development and profile of Continuous Cash Benefit (BPC) applicants, intended for poor elderly and people with disabilities, which, since 2009, uses eligibility criteria based on the International Classification of Functioning, Disability and Health (ICF) of the WHO and is aligned with the UN Convention on the Rights of Persons with Disabilities. The behavior of benefits was determined from the analysis the coefficients of the general and non-judicial grants between 1998 and 2014. The profile was established for the years 2010 and 2014 according to situation of acceptance, age, gender and ICF components. The average annual growth of the coefficient was higher from 2000 to 2010, prior to the adoption of the biopsychosocial eligibility model, and the coefficient of non-judicial grants increased until 2010, falling thereafter. The deferrals acceptance /rejections ratio was higher among children and among those facing severe or total environmental barriers, limitations, constraints and bodily changes. The implementation of the biopsychosocial evaluation model did not cause an increased rate of grants and results evidence the need for flexibility in the eligibility criteria. PMID- 29211158 TI - Continuous Cash Benefit (BCP) for disabled individuals: access barriers and intersectoral gaps. AB - The 1988 Constitution approved the Continuous Cash Benefit (BCP) directed to elders and disabled persons with a household per capita income of 25% of the minimum wage, and around 4 million people received this benefit in 2015. The design of BPC for disabled persons involves organizations of social security, social welfare and health. This paper discusses how some intersectoral coordination mechanisms gaps between these areas produce access barriers to potential beneficiaries. Results stem from a qualitative study performed with physicians, administrative staff and social workers from the National Institute of Social Security (INSS) and of the Social Welfare Reference Center (CRAS) in three municipalities of different Brazilian regions. Intersectoral coordination and cooperation are more structured at the Federal level. At the local level, they rely on informal and horizontal initiatives, which produce immediate but discontinuous solutions. The role of the CRAS remains contingent on the implementation. The need to establish institutionalized mechanisms for coordination and cooperation between social welfare, health and social insurance to improve the implementation and reduce barriers to access to the BCP is apparent. PMID- 29211159 TI - Social inequalities in limitations caused by chronic diseases and disabilities in Brazil: the 2013 National Health Survey. AB - This paper aims to evaluate the association between social inequalities and self reported limitations for the performance of daily activities caused by chronic diseases or disabilities. The 2013 National Health Survey evaluated a sample of Brazilians with 18+ years. The outcome was that individuals reported that their daily activities were moderately, severely or very severely limited (LIMIT) by one or more chronic diseases, or mental, physical, hearing or motor impairment. The main exposure was the economy class, classified into five categories, ranging from A (richest) to E (poorest). We estimated a logistic regression model adjusted for economy class and confounding variables, considering the complex sample design and alpha = 5%. Around 15.5% of individuals reported having Limit. Comparing social classes, 19.5%, 21.9%, 16.1%, 11.1%, and 7.7% individuals belonging to class E, D, C, B and A reported the outcome. The adjusted model showed greater odds of individuals in class D + E, and D, reporting LIMIT than individuals of class A + B (reference). Public policies for health care and social welfare for people with disabilities should focus on social classes E and D. PMID- 29211160 TI - Socioeconomic position and disability: "The Belo Horizonte, Brazil Health Study". AB - This study aims to investigate the association of socioeconomic status and comorbidities of self-reported disability. Data were obtained from a population survey in Belo Horizonte from 2008 to 2009. The sample was probabilistic and stratified by conglomerates in three stages: census tracts, households and individuals. The outcome variable was disability, defined by the self-reported problems in bodily functions or structures. The explanatory variables were gender, age, self-reported morbidity and socioeconomic status index that included variables mother and respondent schooling and household income. The factorial analysis was used to evaluate the socioeconomic status index and logistic regression. The prevalence of disability was 10.43% (95% CI: 9.1-11.7%). Self reported disability was associated with age (OR = 1.02; 95% CI: 1.01-1.03) and reporting of two or more diseases (OR = 3.24; CI 95%; 2.16-4.86) and socioeconomic status index (OR = 0.96; 95% CI: 0.95-0.97). The worse socioeconomic status and occurrence of diseases appear to contribute to the occurrence of disability. These results show health inequities among people with disabilities, and BPC relevance supporting vulnerable populations. PMID- 29211161 TI - Profile of demand and Continuous Cash Benefits (BCP) granted to children diagnosed with microcephaly in Brazil. AB - The Brazilian Federal Constitution of 1988 introduced the Continuous Cash Benefits (BCP), allowing the inclusion of people with disabilities. This is a descriptive study with aggregate municipal data about the time and geographic distribution of the incidence of microcephaly related to the Zika virus in Brazil and data of the BCP grants to children diagnosed with microcephaly. Data on the demand and BCP grants to children with microcephaly since 2009 are shown. Cases of microcephaly and/or central nervous system disorders were obtained from the Ministry of Health and totaled 2,366 confirmed cases from January 1, 2015 to December 31, 2016. The historical series of BCP granted from 2009 to 2016 was based on data from the National Institute of Social Security and showed, until 2014, a baseline with an average of 200 annual benefits for children younger than 48 months with microcephaly. In 2016, grants increased eight times, reaching 1,603 benefits granted to children of 731 municipalities spread in the 27 States. The Northeast accounted for 73% of the BCPs granted, however, this was less than 65% of the demand for incident cases. The implementation of the integrated referral system, including active search, should be strengthened to ensure access to all children entitled to BCP. PMID- 29211162 TI - Minor psychiatric disorders and their associations in family caregivers of people with mental disorders. AB - This study aims to analyze the occurrence of minor psychiatric disorder and their associations in relatives of people with mental disorders. This is a cross sectional study of 1164 relatives. For the tracking of minor psychiatric disorders the Self-Reporting Questionnaire Scale (SRQ20) was used, adopting 6/8 as cut-off point. Bivariate analyzes were conducted using Chi-squared test. Trends among strata of independent variables were investigated in relation to the outcome using nonparametric linear trend test. Statistic significance was defined as p-value < 0.05. Crude and adjusted binary logistic regressions were conducted using as a basis the hierarchical model developed through a systematic literature review. It was observed in the population a prevalence of 46.9% for minor psychiatric disorders. Higher prevalence of minor psychiatric disorders were strongly associated with the female gender, older age, first degree family ties, not having a paid work, lower education level, lower income, health problems, lower quality of life and feeling of burden. Many factors are related to the emotional and mental illness of family caregivers, demanding health services to be prepared to recognize and intervene in these situations. PMID- 29211163 TI - Perception of hearing loss: use of the subjective faces scale to screen hearing among the elderly. AB - : Presbycusis is a disorder present among the elderly. However, it is under diagnosed, making it important to develop and enhance simple screening tools. OBJECTIVE: The subjective faces scale has been proposed as a method to assess auditory self-perception among the elderly, and its correlation with audiological tests. METHODS: We looked at elderly patients referred to the audiology service of a reference center for the care of the elderly in a public university hospital between February and November 2013. Patients were submitted to meatoscopy, tonal and vocal audiometry and the whisper test. They also answered the subjective faces scale. A total of 164 elderly individuals participated, and the average age was 77. RESULTS: We found a good correlation between the subjective faces scale and audiometry thresholds (r = 0.66). Our results show that the faces and hearing loss correlate, with face 1 corresponding to normal hearing, face 2 to mild hearing loss, and face 3 to Grade I moderate hearing loss. When evaluating the psychometric qualities of the subjective faces scale, we found that faces 2 or 3 have good sensitivity and specificity, with the area under the ROC curve being 0.81. CONCLUSION: The subjective faces scale seems to be a good, low-cost and easy to use supplementary tool for auditory screening in geriatric services. PMID- 29211164 TI - Screening of hearing in elderly people: assessment of accuracy and reproducibility of the whispered voice test. AB - Given the high prevalence of presbycusis and its detrimental effect on quality of life, screening tests can be useful tools for detecting hearing loss in primary care settings. This study therefore aimed to determine the accuracy and reproducibility of the whispered voice test as a screening method for detecting hearing impairment in older people. This cross-sectional study was carried out with 210 older adults aged between 60 and 97 years who underwent the whispered voice test employing ten different phrases and using audiometry as a reference test. Sensitivity, specificity and positive and negative predictive values were calculated and accuracy was measured by calculating the area under the ROC curve. The test was repeated on 20% of the ears by a second examiner to assess inter examiner reproducibility (IER). The words and phrases that showed the highest area under the curve (AUC) and IER values were: "shoe" (AUC = 0.918; IER = 0.877), "window" (AUC = 0.917; IER = 0.869), "it looks like it's going to rain" (AUC = 0.911; IER = 0.810), and "the bus is late" (AUC = 0.900; IER = 0.810), demonstrating that the whispered voice test is a useful screening tool for detecting hearing loss among older people. It is proposed that these words and phrases should be incorporated into the whispered voice test protocol. PMID- 29211165 TI - Monitoring of hearing and language in primary health care: project pilot. AB - This article analyzes the feasibility of implementing a program that monitors the hearing and language development in the first year of life. It is a prospective longitudinal study, in which 41 community health workers were invited to monitor, on a monthly basis, by means of a questionnaire validated earlier, the hearing and language of children born in their micro areas of expertise. Thirty-nine community health workers agreed to participate, with only two refusals. Five gave up participating. Twenty-six (66.66%) did not perform monitoring, seven (17.94%) monitored improperly and only six (15.38%) monitored properly. Just one child failed the quiz, who was forwarded to the hospital that conducted the auditory screening for retesting. These professionals' high activity demand was considered the main reason for the difficulties encountered in this project. In addition, there is the difficulty to have contact with the Family Health Strategy teams, as well as the impossibility of permanent face-to-face discussions and the influence of the community health agents' supervisors. PMID- 29211166 TI - [Factors associated with the use of wheelchairs by institutionalized elderly people]. AB - Due to the high prevalence of wheel-chair use by institutionalized elderly people, the scope of this research was to verify whether factors involving gender, age, education, length of institutionalization, comorbidities, cognition and functionality are associated with the use of such equipment, as well as ascertain the reasons for use according to the perceptions of the elderly. It is a cross-sectional descriptive study that included 55 elderly people subdivided into G1 (locomotion without assistance) and G2 (wheelchair users). Analysis of the profile in medical records, cognition and functionality by the Mini-Mental State Examination and Barthel index was conducted. Wheelchair users asked about the factors that lead to wheelchair use were recorded: 33 (60%) of the elderly were in G1 and 22 (40%) in G2. There were differences between the groups with respect to functionality (p = 0.005). The elderly who have not suffered a stroke are less likely to use a wheelchair (OR: 0.09; 95% CI: 0.02 to 0.36). Elderly wheelchair users reported: fear of falling, pain, tiredness, weakness in the legs, difficulty walking and lack of assistance in walking. Strokes and functionality are associated with wheelchair use. Knowledge of these factors and the reasons reported by the elderly may enable alternatives of prevention to be defined. PMID- 29211167 TI - [Spatial and temporal analysis of the coverage for neonatal hearing screening in Brazil (2008-2015)]. AB - This article seeks to establish the coverage of neonatal hearing screening in Brazil between January 2008 and June 2015. It is an ecological study that uses the country, through the Urban Articulation Regions, as a base. To calculate the screening coverage percentage, the Live Births Information System, the Outpatient Information System and the Beneficiaries of the National Supplementary Health Agency Information System were used. An exploratory analysis of maps and spatial statistical analysis was conducted using TerraView 4.2.2 software. The coverage of neonatal hearing screening saw an increase of 9.3% to 37.2% during the study period. In 2008-2009 it was observed that the percentage of coverage ranged from 0% to 79.92%, but most areas received coverage from 0% to 20%, though in 2014 2015 coverage ranged from 0% to 171.77%, and there was a visible increase in the percentage of coverage in the country, mainly in the Southern Region. The screening coverage has increased over time, but is still low with an uneven distribution in the territory, which may be explained by local laws and policies and by the existence of different types of auditory health service in the country. PMID- 29211168 TI - Burden of caregivers of children and adolescents with Down Syndrome. AB - The aim of this study was to evaluate the profile and burden of caregivers of children/adolescents with and without Down syndrome. The evaluations were performed through questionnaires about the profile and burden of the caregivers (Zarit Burden Interview) and the profile of the children/adolescents. These questionnaires were applied to 168 caregivers. The chi-square test, Fisher's exact test, and analysis of variance were used with a significance level set at a = 5%. Both groups were composed of 84 participants, and the caregivers of the disabled group had a significantly higher percentage of females (p = 0.001), those in the 41-60 age group (p < 0.001), those who had no occupation (p < 0.001), those with a low per capita income (p < 0.001), those with a low level of schooling (p = 0.021), those who were Catholic in religion (p = 0.001), those who had more health problems (p < 0.001), those who continued the use of medication (p < 0.001), and those with a moderate level of burden (p < 0.001). The children/adolescents with disabilities needed significantly more help for eating (p = 0.051), bathing (p = 0.006), dressing (p = 0.042), sphincter control (p = 0.027), and intimate hygiene (p < 0.001). The caregivers of children/adolescents with Down syndrome presented a moderate burden compared to the caregivers of normoreactive children/adolescents. PMID- 29211169 TI - Artisanal fisherwomen/shellfish gatherers: analyzing the impact of upper limb functioning and disability on health-related quality of life. AB - The aim is to analyze upper limb functioning and disability, and its association with health-related quality of life among artisanal fisherwomen from Bahia, Brazil. Cross-sectional epidemiological study was conducted with a sample of 209 fisherwomen. Structured questionnaires were used for socio-demographic and comorbidity information, as well as the instruments Disabilities of the Arm, Shoulder and Hand (DASH) and Short-Form Healthy Survey (SF-36) respectively, to evaluate the upper limbs and health-related quality of life. The results demonstrated that the presence of musculoskeletal disorders in the upper limbs directly affects the values of the DASH instrument and the SF-36v01 questionnaire scores, while also generating a negative correlation between the DASH and SF 36v01. The varying functioning abilities, pain and social aspects negatively affect upper limb function, and the daily activities and work of fisherwomen. The presence of chronic disease and the absence of intervention and rehabilitation for these professionals, that could produces, in a long-term, cases of disability. PMID- 29211170 TI - [Environmental influence on physical disability: a systematic review of the literature]. AB - People with physical disabilities may, in interaction with facilitators and barriers, modify their participation in society. The environment, in the panorama of the International Classification of Functioning, Disability and Health (ICF), plays a relevant role in health and in the expression of functioning. Thus, the aim of this study was to investigate the influence of environmental factors on physical disability, based on the theoretical framework of the ICF. A systematic review of the literature was performed based on the recommendations of the following documents: Preferred Reporting Items for Systematic Reviews and Meta Analyses (PRISMA) and Strengthening the Reporting of Observational Studies in Epidemiology Statement (STROBE). The studies selected confirmed the theoretical precepts of the ICF. The interference of the physical and social environment, in general, might be attributed to different clinical conditions, especially in neurology, both in quantitative and qualitative studies. Methodological limitations were observed that may be obstacles to consolidating some guidelines, which should encourage further research on the subject with judicious methods, validated instruments and carefully selected samples. PMID- 29211171 TI - Nursing team, family and hospitalized child interaction: an integrative review. AB - This study aims to present an integrative review of national and international scientific papers on nursing team, family, and hospitalized child interaction. Searches have been made to Bireme, Lilacs, Medline, IBECS, Psyc Info, Science Direct and Web of Science (2008-2013) databases, which allowed us to identify 31 papers represented by the following themes: Interpersonal relationship, Communication and Care. The establishment of interpersonal relationships in a technical and formal way causes difficulty in communication and in the actions aimed at providing care. Care has been the main theme in these researches. Companions demand increased attention to child and family needs from health professionals, and greater involvement of everyone in the process of care. Results suggest that health care teams need to recognize the dynamic experienced by the dyad (child/companion) in order to develop comprehensive care, encouraging family and child inclusion through humanization strategies. PMID- 29211172 TI - [The new organization of labor at public universities: collective consequences of job instability on the health of teachers]. AB - The main objective of this article is to analyze the new organization of labor of university teachers, seeking to investigate the potential relationship with the health status of these workers. It is based on the assumption that job instability in public universities has had repercussions on the health of higher education teachers. A qualitative exploratory study was conducted by means of bibliographic research in indexed databases. As a method of analysis, thematic analysis was used, focusing on four empirical categories, namely: job instability in the teaching profession; intensification of labor; aspects of the organization of teaching work in universities; and data on the health of university teachers. It was revealed in the literature that the use of strong organizational pressures prevails in the university scenario and consequently the intensification of labor is prevalent, with emphasis on the issue of increasing the demand for academic productivity. It was also observed that the topic of excess workload of teachers is recurrent and the concept of availability of less leisure time prevails. In addition, the need for organized collective resistance was confirmed in order to modify the job instability of teaching work. PMID- 29211173 TI - [Josue de Castro and Brazilian social thought]. AB - This article highlights the fact that the work of Josue de Castro brings to light some of the most relevant interpretations on the Brazilian food situation, launching the first proactive manifesto for the construction of a social policy on food in Brazil. Underpinning this debate, there are aspects of the process of construction of the Nation State, national development and the role of the Brazilian intellectuals. Such issues are added to the author's concern with the formation of proactive measures that could lead to social change and redefinitions of the conditions of social exclusion of a significant portion of the Brazilian population. We start from the assertion that his work is part of broader interpretations about Brazil, which need to be revisited. PMID- 29211174 TI - Accelerometer-determined peak cadence and weight status in children from Sao Caetano do Sul, Brazil. AB - The purpose of this study was to determine the relationship between peak cadence indicators and body mass index (BMI) and body fat percentage (BF%)-defined weight status in children. The sample comprised 485 Brazilian children. Minute-by-minute step data from accelerometry were rank ordered for each day to identify the peak 1-minute, 30-minute and 60-minute cadence values. Data were described by BMI defined and bioelectrical impedance-determined BF% weight status. BMI-defined normal weight children had higher peak 1-minute (115.5 versus 110.6 and 106.6 steps/min), 30-minute (81.0 versus 77.5 and 74.0 steps/min) and 60-minute cadence (67.1 versus 63.4 and 60.7 steps/min) than overweight and obese children (p<.0001), respectively. Defined using %BF, normal weight children had higher peak 1-minute (114.5 versus 106.1 steps/min), 30-minute (80.4 versus 73.1 steps/min) and 60-minute cadence (66.5 versus 59.9 steps/min) than obese children (p<.0001). Similar relationships were observed in boys; however, only peak 1- minute cadence differed significantly across BMI and %BF-defined weight status categories in girls. Peak cadence indicators were negatively associated with BMI and BF% in these schoolchildren and significantly higher among normal weight compared to overweight or obese children. PMID- 29211175 TI - Sociodemographic, perinatal and behavioral factors associated to types of milk consumed by children under in six months: birth coort. AB - This study evaluated factors associated with the consumption of breast milk (BM), infant formula (IF) and cow milk (CM) in children. This was a cohort study with 256 children followed-up at the 1st, 4th and 6th month of age in Vicosa (MG), Brazil. With respect to CM and IF, consumption was recorded regardless of BM intake. Regarding BM, only exclusive or predominant consumption was considered. From the 1st to the 6th month, an increase was recorded in the number of children who did not consume BM exclusively or predominantly (31.6%), as well as the consumption of CM (27.2%) and IF (9.3%). BM was associated with pacifier use at 1st month, and mother's employment status and pacifier use in the 4th and 6th month. Pacifier use was a risk factor for IF consumption in every month, while belonging to the lower income group was inversely associated in the 6th month. As for CM, the number of prenatal visits was a risk factor in every month, the mother's employment status and use of pacifier in the 4th month, family income, mother's employment status, low birth weight, number of prenatal visits and pacifier use in the 6th month. Since the 1st month, the introduction of other milk types is high, revealing that there is still much to go to ensure exclusive breastfeeding up to 6 months. PMID- 29211176 TI - The relationship of climate variables in the prevalence of acute respiratory infection in children under two years old in Rondonopolis-MT, Brazil. AB - It is estimated that approximately 30% of childhood diseases can be attributed to environmental factors and 40% involve children under the age of five years old, representing about 10% of world population. This study aimed to analyze the relationship of climate variables in the prevalence of acute respiratory infection (ARI) in children under two years old, in Rondonopolis-MT, from 1999 to 2014. It was used a cross-sectional study with a quantitative and a descriptive approach with meteorological teaching and research data from the database from the health information system. For statistical analysis, it adjusted the negative binomial model belonging to the class of generalized linear models, adopting a significance level of 5%, based on the statistical platform R. The average number of cases of ARI decreases at approximately by 7.9% per degree centigrade increase above the average air temperature and decrease about 1.65% per 1% increase over the average air relative humidity. Already, the rainfall not associated with these cases. It is the interdisciplinary team refocus practical actions to assist in the control and reduction of ARI significant numbers in primary health care, related climate issues in children. PMID- 29211177 TI - Individual factors associated to malocclusion in adolescents. AB - The study aimed to identify the severity of malocclusions and associated factors among Brazilian adolescents. Data from 5,445 adolescents participating in the Brazilian Oral Health Survey (SBBrasil 2010) were evaluated, of which 4,276 were included in the study based on the inclusion criteria. The dependent variable was severe and very severe malocclusion, according to the Dental Aesthetic Index (DAI > 30). The independent variables were place of residence, macro-region, self reported ethnicity, income, gender, schooling, access to dental care, untreated caries and front and back teeth loss due to caries. A hierarchical multiple logistical regression analysis was performed, considering the complex cluster sampling plan. Prevalence of severe/very severe malocclusions was 17.5%. After adjustments, black/brown ethnicity group (OR = 1.59, 95% CI: 1.09-2.34), lower household income (OR = 0.67, 95% CI: 0.55-0-82), front (OR = 2.32, 95% CI: 1.14 4.76) and back teeth (OR = 1.45, 95% CI: 1.14-1.84) loss due to caries were associated with the outcome. Therefore, we conclude that black/brown ethnicity, lower household income and greater number of front and back teeth loss due to caries increased the odds for severe/very severe malocclusion. PMID- 29211178 TI - A wave that comes rushing in and dunks you: representations and destinies of the crisis in adolescent users of a CAPSi. AB - This article focuses on the inter-subjective aspects involved in the care of psychosocial crises of adolescents, their representations and developments. A qualitative research was developed from a psycho-sociological perspective by constructing life story narratives of adolescents treated at a Psychosocial Care Center for Children and Adolescents (CAPSi). It was based on the theoretical contributions of Rene Kaes on group and cultural aspects of the crisis, as well as its relation to adolescence. Life narratives, constructed through in-depth interviews with adolescents, close relatives, and CAPSi caretakers depict crisis as a "surprise", as violence and estrangement, an episode that must be forgotten, denied, silenced, and medicalized. We concluded that the crisis involves strong mental suffering for adolescents, for the people close to them, and for caretakers, which calls into question the possibilities and limits of care. We, therefore, highlight the importance of protected spaces in both the institution and the health network that would allow the collective construction of new meanings, representations and destinies of crisis, both by users and caretakers. PMID- 29211179 TI - Survival analysis of women with breast cancer: competing risk models. AB - This study aimed to estimate the effects of prognostic factors on breast cancer survival, such as age, staging, and extension of the tumor, using proportional hazards and competing risks models proposed by Cox and Fine-Gray, respectively. This is a retrospective cohort study, based on a population of 524 women, who were diagnosed with breast cancer in the period from 1993 to 1995 and monitored until 2011, residents in the city of Campinas, Sao Paulo, Brazil. The cutoff points for the variable of age were defined with Cox simple models. In the settings of simple and multiple Fine-Gray models, age was not significant to the presence of competing risks, neither it was in Cox models. For both models, death by breast cancer was the event of interest. The survival functions, estimated by Kaplan-Meier, showed significant differences for deaths by breast cancer and by competing risks. Survival functions by breast cancer did not show significant differences when comparing the age groups, according to log-rank test. Cox and Fine-Gray models identified the same prognostic factors that influenced in breast cancer survival. PMID- 29211180 TI - Factors associated with first sexual intercourse among mothers with 14-16 years of age from Porto Alegre/RS, Brazil. AB - This study analyzed the factors associated with first sexual intercourse among 427 mothers with 14-16 years of age from Porto Alegre (RS), Brazil. Data on adolescent socio-demographic status (skin color, religion and schooling gap) and reproductive aspects (age at menarche, age at first sexual intercourse, partnership in first sexual intercourse and partner's age) were collected through household survey. Data analysis was performed using bivariate and multivariate analysis through Poisson regression with robust variance. Among adolescents with early first sexual intercourse (up to 14 years), 77.4% had menarche at up to 12 years of age and 16.4% had casual partners in the first sexual intercourse. These variables were associated with the outcome and showed that early menarche (OR=1.26; CI 95%:1.04-1.52) and casual partner at first sexual intercourse (OR=1.28; CI 95%:1.09-1.49) increase by respectively 26% and 28% the prevalence of early first sexual intercourse. This study highlights the need to strengthen health programs and policies already implemented, such as the School Health Program, as well as reinforces that parents and teachers need to be oriented in an integrated manner in order to facilitate dialogue with adolescents and provide adequate counseling. PMID- 29211181 TI - [Violence committed by acquaintances - Brazil, 2013]. AB - The scope of this article is to describe the prevalence of violence committed by acquaintances in accordance with demographic characteristics. It is a descriptive study, based on data from a population-based National Health Research survey conducted in Brazil in 2013. Data from the adult population (>= 18 years) of 64,348 households. Prevalence rates were calculated and their respective 95% confidence intervals (95%CI) according to gender, age, education, race/color, area of residence and geographical region. The prevalence of violence committed by acquaintances was 2.5% (95%CI 2.3-2.7), significantly higher in women (3.1%; 95%CI 2.8-3.5) compared to men (1.8%; 95% CI 1.6-2.1). This prevalence was higher in the population aged 18-29 years old (3.2%; 95%CI 2.8-3.7) compared to older individuals (1.1%; 95%CI 0.8-1.3), and among residents of the North (3.2%; 95%CI 2.5-3.8) and Northeast Regions (3.0%; 95%CI 2.5-3.8) when compared to residents of the Southeast Region (2.0%; 95%CI 1.6-2.3). Violence was present in higher prevalence among women, proving the occurrence of gender-based violence and confirming its occurrence in all geographical regions and in different population groups in Brazil in 2013. PMID- 29211182 TI - [Prevalence of hemoglobin variants in quilombola communities in the state of Piaui, Brazil]. AB - Hemoglobin variants (Hb) result from mutations in globin genes, with amino acid substitution in the polypeptide chain. Among the most common structural variants are HbS, HbC, HbD and HbE. The S hemoglobin gene is a high frequency gene across America and Brazil, where it is more frequent in the Southeast and Northeast. The scope of this article is to investigate the presence of hemoglobin variants in 15 quilombos (fugitive slave communities) of Piaui. The sample was of 1,239 people and hemoglobin was screened by high-performance liquid chromatography (HPLC). A questionnaire was applied related to gender, ethnicity and consanguinity. Of the samples analyzed, 5.4% had AS sickle cell trait, while SS and SC sickle cell anemia showed a rate of 0.8%, with AC, AD and DD hemoglobin. Of the 1,069 Afro descendants, 84 revealed hemoglobin abnormalities, 34 being male 53 being female. There were 13 consanguineous marriages among the 84 hemoglobin alterations. The study of hemoglobin variants in 15 former quilombo communities in the state of Piaui contributes to their education in health in the aspects of genetic inheritance of hemoglobin, a relevant public health issue, providing input for the implementation of the State Program of Sickle Cell Disease of Piaui. PMID- 29211183 TI - Survival of patients with AIDS and co-infection with the tuberculosis bacillus in the South and Southeast regions of Brazil. AB - The study investigates the survival of patients with co-infection AIDS-TB through a retrospective study of a cohort of individuals aged 13 or more and the diagnosis of AIDS reported in the years 1998-99 and following 10 years. Of the 2,091 AIDS cases, 517 (24.7%) had positive diagnosis for tuberculosis, and 379 (73.3%) were male. The risk among co-infected patients was 1,65 times the not co infected. Have been compared the exposed and non-exposed through the Kaplan-Meier and Cox method. The variables associated with longer survival were: female gender (HR = 0.63), educational level >= eight years (HR = 0.52), CD4 diagnostic criteria (HR = 0.64); and shorter survival: age >= 60 years (HR = 2.33), no use of HAART (HR = 8.62), no investigation to Hepatitis B (HR = 2.44) and opportunistic infections >= two (HR = 1.97). The average survival rate, related to TB infection was 69 months for the Southeast region and 73 months for the South. AIDS and tuberculosis require monitoring and treatment adherence and they are markers of the quality of care and survival of patients in Brazil. PMID- 29211184 TI - Participatory environmental diagnosis and of health risks from the surrounding communities the Petrochemical Complex of Rio de Janeiro, Brazil. AB - The aim of this study was to diagnose the priority socio environmental problems and the health risks from the surrounding communities the Petrochemical Complex of Rio de Janeiro. Characterized by a participatory approach, the action research has led to the application of interviews, focal groups, meetings and workshop with social actors of Porto das Caixas and Sambaetiba districts, located in Itaborai city/RJ from November 2013 to December 2014. A structural analysis of the problems prioritized by the communities (water supply, sewage treatment and risk of transmissible diseases; risk of air pollution and respiratory diseases; absence of public security and risk of violence) sketched out the cause-effect intervention relationship, on the basis of the Protocol for Assessing Community Excellence in Environmental Health. The process revealed the absence of representativity of the social actors of the studied localities in spaces of decision-making on the environmental issue. Educational actions with professionals and inhabitants that aim to promote the formation of collective movements urge, indispensable to guarantee the rights of mitigation of situations of contamination of air and access to sanitation services and public security and thus of conditions of lower risk to health. PMID- 29211185 TI - What every intensivist should know about using high-flow nasal oxygen for critically ill patients. PMID- 29211186 TI - Epidemiology of acute kidney injury and chronic kidney disease in the intensive care unit. AB - OBJECTIVE: To describe the epidemiology of acute kidney injury, its relationship to chronic kidney disease, and the factors associated with its incidence. METHODS: A cohort study and follow-up were conducted in an intensive care unit in Montevideo, Uruguay. We included patients admitted between November 2014 and October 2015 who were older than 15 years of age and who had at least two measurements of serum creatinine. We excluded patients who were hospitalized for less than 48 hours, patients who died at the time of hospitalization, and patients with chronic renal disease who were on hemodialysis or peritoneal dialysis. There were no interventions. Acute kidney injury was defined according to the criteria set forth in Acute Kidney Injury Disease: Improving Global Outcomes, and chronic kidney disease was defined according to the Chronic Kidney Disease Work Group. RESULTS: We included 401 patients, 56.6% male, median age of 68 years (interquartile range (IQR) 51-79 years). The diagnosis at admission was severe sepsis 36.3%, neurocritical 16.3%, polytrauma 15.2%, and other 32.2%. The incidence of acute kidney injury was 50.1%, and 14.1% of the patients suffered from chronic kidney disease. The incidence of acute septic kidney injury was 75.3%. Mortality in patients with or without acute kidney injury was 41.8% and 14%, respectively (p < 0.001). In the multivariate analysis, the most significant variables for acute kidney injury were chronic kidney disease (odds ratio (OR) 5.39, 95%CI 2.04 - 14.29, p = 0.001), shock (OR 3.94, 95%CI 1.72 - 9.07, p = 0.001), and severe sepsis (OR 7.79, 95%CI 2.02 - 29.97, p = 0.003). CONCLUSION: The incidence of acute kidney injury is high mainly in septic patients. Chronic kidney disease was independently associated with the development of acute kidney injury. PMID- 29211187 TI - The Epimed Monitor ICU Database(r): a cloud-based national registry for adult intensive care unit patients in Brazil. AB - OBJECTIVE: To describe the Epimed Monitor Database(r), a Brazilian intensive care unit quality improvement database. METHODS: We described the Epimed Monitor(r) Database, including its structure and core data. We presented aggregated informative data from intensive care unit admissions from 2010 to 2016 using descriptive statistics. We also described the expansion and growth of the database along with the geographical distribution of participating units in Brazil. RESULTS: The core data from the database includes demographic, administrative and physiological parameters, as well as specific report forms used to gather detailed data regarding the use of intensive care unit resources, infectious episodes, adverse events and checklists for adherence to best clinical practices. As of the end of 2016, 598 adult intensive care units in 318 hospitals totaling 8,160 intensive care unit beds were participating in the database. Most units were located at private hospitals in the southeastern region of the country. The number of yearly admissions rose during this period and included a predominance of medical admissions. The proportion of admissions due to cardiovascular disease declined, while admissions due to sepsis or infections became more common. Illness severity (Simplified Acute Physiology Score - SAPS 3 62 points), patient age (mean = 62 years) and hospital mortality (approximately 17%) remained reasonably stable during this time period. CONCLUSION: A large private database of critically ill patients is feasible and may provide relevant nationwide epidemiological data for quality improvement and benchmarking purposes among the participating intensive care units. This database is useful not only for administrative reasons but also for the improvement of daily care by facilitating the adoption of best practices and use for clinical research. PMID- 29211188 TI - Neurally adjusted ventilatory assist in pediatrics: why, when, and how? PMID- 29211189 TI - Intraoperative protective mechanical ventilation: what is new? PMID- 29211190 TI - Incidence and risk factors for surgical site infection in general surgeries. AB - OBJECTIVE: to estimate the incidence of surgical site infection in general surgeries at a large Brazilian hospital while identifying risk factors and prevalent microorganisms. METHOD: non-concurrent cohort study with 16,882 information of patients undergoing general surgery from 2008 to 2011. Data were analyzed by descriptive, bivariate and multivariate analysis. RESULTS: the incidence of surgical site infection was 3.4%. The risk factors associated with surgical site infection were: length of preoperative hospital stay more than 24 hours; duration of surgery in hours; wound class clean-contaminated, contaminated and dirty/infected; and ASA index classified into ASA II, III and IV/V. Staphyloccocus aureus and Escherichia coli were identified. CONCLUSION: the incidence was lower than that found in the national studies on general surgeries. These risk factors corroborate those presented by the National Nosocomial Infection Surveillance System Risk Index, by the addition of the length of preoperative hospital stay. The identification of the actual incidence of surgical site infection in general surgeries and associated risk factors may support the actions of the health team in order to minimize the complications caused by surgical site infection. PMID- 29211191 TI - Changing the mind: hypnosis and diabetes. PMID- 29211193 TI - Work process of nursing professors. AB - OBJECTIVE: to analyze the work process of nursing professors. METHOD: descriptive, exploratory and qualitative study, developed with a focus on critical epidemiology, carried out at a School of Nursing in Chile. The research subjects consist of 17 nursing professors, with whom individual semi-structured interviews were carried out and nine participated in a focus group. The Ethics Committee approved this study. RESULTS: 88.2% were female, mean age of 42 years, 47% were married, 94% were Chilean, average length of service in the institution of 2.8 years, and 23.5% had a master's degree. Regarding the work process, the students were the work object, the tools used were the knowledge and the experience as a nurse, and the work environment was considered good. Regarding the form of work organization, 76% have a 44-hour workweek, the wage was considered inadequate and the workload was higher than foreseen in the contract. The dialectic of the nursing work process is evidenced, demonstrating the contradiction between the low wages and labor overload and the narratives reporting a good work environment, personal fulfillment and transcendence that goes far beyond work. CONCLUSIONS: the work process allows describing the work components of the nursing professors, which are consistent with the results of the literature and show the dialectic of the nursing work process. PMID- 29211192 TI - Tobacco addiction in the psychiatric population and in the general population. AB - OBJECTIVE: To estimate the degree of tobacco addiction and identify independently associated factors by comparing the psychiatric population of secondary and tertiary care with the general population of the primary healthcare network. METHOD: This is a cross-sectional epidemiological study, conducted in a municipality of Sao Paulo, with 134 smokers of a Mental Health Outpatient Unit (MHOU), a Psychiatric Hospital (PH), and a Primary Healthcare Unit (PHU). Data were collected by means of individual interviews, recorded on a mobile device. Data were statistically processed using Stata/12. RESULTS: Of the 134 participants, 54.5% were women. While 49.1% of the psychiatric population (MHOU/PH) had medium/high nicotine addiction, 58.3% of smokers of the general population had very low/low dependency. The Poisson regression model indicated a higher prevalence of smokers with high dependence among men (PR = 1.41), people aged 49 years or less (15 - 29 years, PR = 4.06, 30 - 39 PR = 2.96 years, 40 - 49 years PR = 1.84), with severe mental disorders (PR = 3.05), with anxiety disorders/other (PR = 3.98), and with high suicide risk (PR = 1.55). CONCLUSION: Nicotine dependence was greater in the psychiatric population than in the general population. The independent factors associated with severe dependence were sex, age group, diagnosis, and current risk of suicide. These results trigger reflection among nurses on the need to focus more attention on a neglected subject in mental health services. PMID- 29211194 TI - Telephone interventions in adherence to receiving the Pap test report: a randomized clinical trial. AB - OBJECTIVE: to test the efficacy of the behavioral and educational interventions undertaken by telephone, for women's attendance at the consultation to receive the Pap test report. METHOD: a randomized clinical trial, with a sample randomized in three groups: telephone call - educational (n=171), telephone call reminder (n=171) and comparison (n=169). The inclusion criteria were to be of legal age, to have become sexually active, to undertake the preventive examination during the study and to have a mobile or fixed telephone. The educational group received a telephone call involving a script based in the motivational interview and in the Brazilian guidelines. The behavioral group received a telephone call involving a reminder about the consultation. The comparison group received a card with details of when to return for a consultation regarding the results. RESULTS: the women who received one of the interventions had a non-return rate of 7.3% and an increase of 39% (RR CI95%: 1.24-1.55) in the protection against this outcome. In the individual analysis of the interventions, it was evidenced that both are efficacious, as the telephone call - reminder reduces the woman's failure to return to the service by 40% (RR CI95%: 1.25-1.57), while the telephone call - educational does so by 37% (RR CI95%: 1.22-1.54). The rates of non-return were of 6.5% and 8.2%, respectively, as against 33.1% in the comparison group. CONCLUSION: the interventions tested showed greater efficacy in the educational and behavioral contexts, in relation to the normal attendance, as they motivated the women to return to the service to receive the Pap test report. Clinical trial register: RBR-w3vnc. PMID- 29211195 TI - Impact of two bundles on central catheter-related bloodstream infection in critically ill patients. AB - OBJECTIVE: To evaluate the impact of the implementation of insertion and maintenance bundles on the rates of catheter-related bloodstream infection in an intensive care unit. METHOD: This is a quasi-experimental, before-and-after study with a non-equivalent control group. During a six-month period, insertion and maintenance bundles for the central venous catheters were implemented. Supervision guidelines were developed to assess compliance with the bundle and catheter characteristics. RESULTS: A total of 444 central catheters corresponding to 390 patients were observed, of which 68.7% were inserted in the unit. The maintenance and insertion bundles reached 62.9% and 94.7% compliance, respectively, and 50.7% of the insertions were supervised. It was possible to observe a 54.5% decrease in the rate of central catheter infection (3.48 vs 1.52 x 1000 days/catheter, p<0.05) when compared with the control group. CONCLUSION: The simultaneous implementation of insertion and maintenance bundles has a positive impact on the reduction of catheter-related bloodstream infection; therefore it is an efficient alternative to improve the quality and safety of care in high complexity units. PMID- 29211196 TI - Analysis of ineffective breathing pattern and impaired spontaneous ventilation of adults with oxygen therapy. AB - OBJECTIVE: to analyze the manifestation of the defining characteristics of the nursing diagnoses of ineffective breathing pattern and impaired spontaneous ventilation, of the NANDA International and the defining characteristics identified in the literature for the concept of "ventilation" in adult patients hospitalized in an intensive care unit with use of oxygen therapy. METHOD: clinical diagnostic validation study, conducted with 626 patients in intensive care using oxygen therapy, in three different modalities. Multiple correspondence analysis was used to verify the discriminative capacity of the defining characteristics and latent class analysis to determine the diagnostic accuracy of them, based on the severity level defined by the ventilatory mode used. RESULTS: in the multiple correspondence analysis, it was demonstrated that the majority of the defining characteristics presented low discriminative capacity and low percentage of explained variance for the two dimensions (diagnoses). Latent class models, separately adjusted for the two diagnoses, presented a worse fit, with sharing of some defining characteristics. Models adjusted by level of severity (ventilation mode) presented better fit and structure of the component defining characteristics. CONCLUSION: clinical evidence obtained in the present study seems to demonstrate that the set of defining characteristics of the two nursing diagnoses studied fit better in a single construct. PMID- 29211197 TI - Development and validation of an algorithm for laser application in wound treatment. AB - OBJECTIVE: To develop and validate an algorithm for laser wound therapy. METHOD: Methodological study and literature review. For the development of the algorithm, a review was performed in the Health Sciences databases of the past ten years. The algorithm evaluation was performed by 24 participants, nurses, physiotherapists, and physicians. For data analysis, the Cronbach's alpha coefficient and the chi-square test for independence was used. The level of significance of the statistical test was established at 5% (p<0.05). RESULTS: The professionals' responses regarding the facility to read the algorithm indicated: 41.70%, great; 41.70%, good; 16.70%, regular. With regard the algorithm being sufficient for supporting decisions related to wound evaluation and wound cleaning, 87.5% said yes to both questions. Regarding the participants' opinion that the algorithm contained enough information to support their decision regarding the choice of laser parameters, 91.7% said yes. The questionnaire presented reliability using the Cronbach's alpha coefficient test (alpha = 0.962). CONCLUSION: The developed and validated algorithm showed reliability for evaluation, wound cleaning, and use of laser therapy in wounds. PMID- 29211198 TI - Respiratory status of adult patients in the postoperative period of thoracic or upper abdominal surgeries. AB - OBJECTIVE: to evaluate the respiratory status of postoperative adult patients by assessing the nursing outcome Respiratory Status. METHOD: descriptive, cross sectional study developed with 312 patients. Eighteen NOC indicators were assessed and rated using a Likert-scale questionnaire and definitions. Descriptive and correlative analysis were conducted. RESULTS: the most compromised clinical indicators were coughing (65.5%), auscultated breath sounds (55%), and respiratory rate (51.3%). Factors associated with worse NOC ratings in specific clinical indicators were sex, age, pain, and general anesthesia. CONCLUSIONS: certain clinical indicators of respiratory status were more compromised than others in postoperative patients. Patient and context-related variables can affect the level of respiratory compromise. PMID- 29211199 TI - Why is quaternary prevention important in prevention? AB - Quaternary prevention consists in the identification of persons at risk of excessive medicalization and their protection against new unnecessary interventions, avoiding iatrogenic damages. Here, we argue about the importance of quaternary prevention in specific primary and secondary prevention. The recent great development of preventive medicine, biomedicalization of risks and their treatment as if they were diseases, and the powerful influence of the commercial interests of pharmaceutical industries on the production of medical-sanitary knowledge alter classifications, create diseases and pre-diseases, lower cutoff points, and erase the distinction between prevention and healing. This situation converts larger amounts of asymptomatic persons into sick individuals and diverts clinical attention and resources from sick persons to the healthy, from older adults to young persons, and from the poor to the rich. Quaternary prevention facilitates and induces the development and systematization of operational knowledge and guidelines to contain hypermedicalization and the damages of preventive actions in professional care, especially in primary health care. PMID- 29211200 TI - Air pollution and hospitalizations in the largest Brazilian metropolis. AB - OBJECTIVE: To evaluate the impact of air pollution on hospitalizations for respiratory and cardiovascular diseases in the largest Brazilian metropolis. METHODS: This study was carried out at the Metropolitan Region of Sao Paulo, Brazil. Environmental data were obtained from the network of monitoring stations of nine municipalities. Air pollution exposure was measured by daily means of PM10 (particles with a nominal mean aerodynamic diameter <= 10 MUm) per municipality, while daily counts of hospitalizations for respiratory and cardiovascular diseases within the Brazilian Unified Health System were the outcome. For each municipality a time series analysis was carried out in which a semiparametric Poisson regression model was the framework to explain the daily fluctuations on counts of hospitalizations over time. The results were combined in a meta-analysis to estimate the overall risk of PM10 in hospitalizations for respiratory and cardiovascular diseases at the Metropolitan Region of Sao Paulo. RESULTS: Regarding hospitalizations for respiratory diseases, the effect estimates were statistically significant (p < 0.05) for all municipalities, except Santo Andre and Taboao da Serra. The RR (Relative Risk) of this outcome for an increase of 10 ug/m3 in the levels of PM10 ranged from 1.011 (95%CI 1.009 1.013) for Sao Paulo to 1.032 (95%CI 1.024-1.040) in Sao Bernardo do Campo. The RR of hospitalization for respiratory diseases in children for an increase of 10 ug/m3 of PM10 ranged from 1.009 (95%CI 1.001-1.017) in Santo Andre to 1.077 (95%CI 1.056-1.098) in Maua. Only Sao Paulo and Sao Bernardo do Campo presented positive and statistically significant results for hospitalizations for cardiovascular diseases. CONCLUSIONS: This is the first study to estimate the risk of illness from air pollution in the set of municipalities of the Metropolitan Region of Sao Paulo, Brazil. Global estimates of the effect of exposure to pollution in the region indicated associations only with respiratory diseases. Only Sao Paulo and Sao Bernardo do Campo showed an association between the levels of PM10 and hospitalizations for cardiovascular diseases. PMID- 29211201 TI - Use of linkage to improve the completeness of the SIM and SINASC in the Brazilian capitals. AB - OBJECTIVE: To analyze the contribution of linkage between databases of live births and infant mortality to improve the completeness of the variables common to the Mortality Information System (SIM) and the Live Birth Information System (SINASC) in Brazilian capitals in 2012. METHODS: We studied 9,001 deaths of children under one year registered in the SIM in 2012 and 1,424,691 live births present in the SINASC in 2011 and 2012. The databases were related with linkage in two steps - deterministic and probabilistic. We calculated the percentage of incompleteness of the variables common to the SIM and SINASC before and after using the technique. RESULTS: We could relate 90.8% of the deaths to their respective declarations of live birth, most of them paired deterministically. We found a higher percentage of pairs in Porto Alegre, Curitiba, and Campo Grande. In the capitals of the North region, the average of pairs was 84.2%; in the South region, this result reached 97.9%. The 11 variables common to the SIM and SINASC had 11,278 incomplete fields cumulatively, and we could recover 91.4% of the data after linkage. Before linkage, five variables presented excellent completeness in the SINASC in all Brazilian capitals, but only one variable had the same status in the SIM. After applying this technique, all 11 variables of the SINASC became excellent, while this occurred in seven variables of the SIM. The city of birth was significantly associated with the death component in the quality of the information. CONCLUSIONS: Despite advances in the coverage and quality of the SIM and SINASC, problems in the completeness of the variables can still be identified, especially in the SIM. In this perspective, linkage can be used to qualify important information for the analysis of infant mortality. PMID- 29211202 TI - Uncited articles in Brazilian public health journals. AB - Here, we describe the percentage of non-citation in Brazilian public health journals, a field that, until now, had not been investigated nationally or internationally. We analyzed articles, published between 2008 and 2012, of eight public health journals indexed in the scopus database. The percentage of non citation differs between journals (from 5.7% to 58.1%). We identified four statistically distinct groups: Historia, Ciencia, Saude - Manguinhos (58% uncited articles); Physis: Revista de Saude Coletiva, Interface, and Saude e Sociedade (32% to 37%); Ciencia & Saude Coletiva and Revista Brasileira de Epidemiologia (16% to 17%); and Cadernos de Saude Publica and Revista de Saude Publica (6%). The non-citation in the first three years post-publication also varies according to journal. Four journals have shown a clear decline of non-citation: Cadernos de Saude Publica, Ciencia & Saude Coletiva, Revista Brasileira de Epidemiologia, and Physis. Another three (Revista de Saude Publica, Saude e Sociedade, and Interface) presented an oscillation in non-citation, but the rates of 2008 and 2012 are similar, with different magnitudes. In turn, the journal Historia, Ciencia, Saude - Manguinhos maintains high rates of non-citation. Multidisciplinary journals attract more citation, but a comprehensive citation model still needs to be formulated and tested. PMID- 29211203 TI - Risk factors for caries-free time: longitudinal study in early childhood. AB - OBJECTIVE: To estimate time in days from the beginning of follow-up up to the development of dental caries in children under 30 months and to assess risk factors potentially affecting the development of the disease. METHODS: The study population of the cohort study were children attending public, private, and charitable day care centers in Salvador, Northeastern Brazil, followed up for fourteen months. We used the multivariate Cox regression to estimate risk and Kaplan-Meier method to estimate the caries-free time. RESULTS: Of the 495 children studied, 112 developed caries (22.6%). Mean caries-free time was 248.6 (SD = 96.2) days. The comparasion of curves by age group (> 24 months) and children attending public day care showed more caries in a shorter period (p < 0.00). The following variables were important risk factors for increased rate of caries: district of origin (HR = 1.88, 95%CI 1.27-2.77), category of day care (HR = 3.88, 95%CI 2.04-7.38), age (HR = 1.77, 95%CI 1.15-2.74), bottle-feeding before sleep time after the age of 12 months (HR = 1.62, 95%CI 1.04-2.51), presence of active white spots (HR = 2.70, 95%CI 1.07-6.80), and living in non-masonry house (HR = 1.68, 95%CI 1.02-2.76). The highest hazard ratio (HR = 4.60, 95%CI 2.80 7.42) was found for previous caries experience. CONCLUSIONS: Social variables were considered as of high risk for the development of dental caries. PMID- 29211204 TI - Pragmatic criteria of the definition of neonatal near miss: a comparative study. AB - OBJECTIVE: The objective of this study was to test the validity of the pragmatic criteria of the definitions of neonatal near miss, extending them throughout the infant period, and to estimate the indicators of perinatal care in public maternity hospitals. METHODS: A cohort of live births from six maternity hospitals in the municipalities of Sao Paulo, Niteroi, and Rio de Janeiro, Brazil, was carried out in 2011. We carried out interviews and checked prenatal cards and medical records. We compared the pragmatic criteria (birth weight, gestational age, and 5' Apgar score) of the definitions of near miss of Pileggi et al., Pileggi-Castro et al., Souza et al., and Silva et al. We calculated sensitivity, specificity (gold standard: infant mortality), percentage of deaths among newborns with life-threatening conditions, and rates of near miss, mortality, and severe outcomes per 1,000 live births. RESULTS: A total 7,315 newborns were analyzed (completeness of information > 99%). The sensitivity of the definition of Pileggi-Castro et al. was higher, resulting in a higher number of cases of near miss, Souza et al. presented lower value, and Pileggi et al. and de Silva et al. presented intermediate values. There is an increase in sensitivity when the period goes from 0-6 to 0-27 days, and there is a decrease when it goes to 0-364 days. Specificities were high (>= 97%) and above sensitivities (54% to 77%). One maternity hospital in Sao Paulo and one in Niteroi presented, respectively, the lowest and highest rates of infant mortality, near miss, and frequency of births with life-threatening conditions, regardless of the definition. CONCLUSIONS: The definitions of near miss based exclusively on pragmatic criteria are valid and can be used for monitoring purposes. Based on the perinatal literature, the cutoff points adopted by Silva et al. were more appropriate. Periodic studies could apply a more complete definition, incorporating clinical, laboratory, and management criteria, including congenital anomalies predictive of infant mortality. PMID- 29211205 TI - Validity of self-reported weight, height, and BMI in mothers of the research Birth in Brazil. AB - OBJECTIVE: To evaluate the accuracy of information on pre-gestational weight, height, pre-gestational body mass index, and weight at the last prenatal appointment, according to maternal characteristics and sociodemographic and prenatal variables. METHODS: The study was developed using data from the face-to face questionnaire and prenatal card (gold standard) of the study "Birth in Brazil, 2011-2012". To evaluate the differences between the measured and self reported anthropometric variables, we used the the Kruskal-Wallis test for the variables divided into quartiles. For the continuous variables, we used the Wilcoxon test, Bland-Altman plot, and average difference between the information measured and reported by the women. We estimated sensitivity and the intraclass correlation coefficient. RESULTS: In the study, 17,093 women had the prenatal card. There was an underestimation of pre-gestational weight of 1.51 kg (SD = 3.44) and body mass index of 0.79 kg/m2 (SD = 1.72) and overestimation of height of 0.75 cm (SD = 3.03) and weight at the last appointment of 0.22 kg (SD = 2.09). The intraclass correlation coefficients (ICC) obtained for the anthropometric variables were: height (ICC = 0.89), pre-gestational weight (ICC = 0.96), pre gestational body mass index (ICC = 0.92), and weight at the last appointment (ICC = 0.98). CONCLUSIONS: The results suggest that the mentioned anthropometric variables were valid for the study population, and they may be used in studies of populations with similar characteristics. PMID- 29211206 TI - Inequality of opportunity in health: evidence from Chile. AB - OBJECTIVE: To assess the possible presence of inequality of opportunities in the health status of Chileans, according to sociodemographic circumstances. METHODS: Self-rated health data were used from the Chilean National Health Survey of 2010 to test the hypothesis of strong and weak equality of opportunities in the health status of the Chilean population. These hypotheses were tested using nonparametric techniques and second-order stochastic dominance criteria. RESULTS: Robust empirical evidence was obtained, which indicate that the education level of the mother, household socioeconomic status, sex, zone, and region of residence determine opportunities to achieve good health in Chile. CONCLUSIONS: Better health status was identified for Chilean adults whenever their mothers had a higher education level, their household income was higher, they were men, or lived in urban areas. The region of residence also affects opportunities to achieve good health in Chile. PMID- 29211207 TI - Cardiovascular secondary prevention in primary care setting: an immediate necessity in Brazil and worldwide. PMID- 29211208 TI - Accuracy of spirometry for detection of asthma: a cross-sectional study. AB - BACKGROUND: Asthma is a chronic inflammatory disease with airway hyperresponsiveness. Spirometry is the most commonly used test among asthmatic patients. Another functional test used for diagnosing asthma is the bronchial challenge test. The aim of this study was to analyze the accuracy of spirometry for detecting asthma in the general population. DESIGN AND SETTING: Cross sectional study with data analysis to evaluate the accuracy of spirometry through calculating sensitivity, specificity and predictive values and through the kappa agreement test. METHODS: Subjects who constituted a birth cohort were enrolled at the age of 23 to 25 years. Spirometric abnormality was defined as reduced forced expiratory volume in one second, i.e. lower than 80% of the predicted value. Measurement of bronchial responsiveness was performed by means of the bronchial challenge test with methacholine. The gold-standard diagnosis of asthma was defined as the presence of bronchial hyperresponsiveness in association with respiratory symptoms. RESULTS: Asthma was detected in 200 subjects (10.4%) out of the sample of 1922 individuals. Spirometric abnormality was detected in 208 subjects (10.9%) of the sample. The specificity of spirometric abnormality for detecting asthma was 90%, sensitivity was 23%, positive predictive value was 22%, and negative predictive value was 91%. The kappa test revealed weak agreement of 0.13 (95% confidence interval, CI: 0.07-0.19) between spirometry and the diagnosis of asthma. CONCLUSION: Spirometry, as a single test, has limitations for detecting asthma in the general population. PMID- 29211209 TI - Risk and protection factors for self-reported hypertension and diabetes in Joao Pessoa, Brazil. The VIGITEL survey, 2014. A cross-sectional study. AB - CONTEXT AND OBJECTIVE: Chronic diseases are the main cause of death among adults and are responsible for most outpatient and hospital care expenses in Brazil. The objective here was to determine the prevalence of hypertension and diabetes and to analyze the associations with risk and protection factors among adults. DESIGN AND LOCAL: Cross-sectional study in a state capital in northeastern Brazil. METHODS: Data on adults of both sexes aged >= 45 years who were interviewed in the Vigitel telephone survey in 2014 were analyzed. Prevalence ratios were estimated using Poisson regression, to identify associated factors. RESULTS: Among women, the prevalence of hypertension was 48.4% and of diabetes, 12.7%; among men, the prevalences were 41.9% and 13.8%, respectively. Multivariate analysis showed that for women, age group >= 65 years, overweight, self-assessed poor health and dyslipidemia remained associated with higher prevalence of hypertension. For men, overweight and self-assessed poor health remained associated with higher prevalence of hypertension. Regarding diabetes, in the multivariate model for women, age group 55-64 years, schooling level between zero and four years and no regular consumption of beans remained associated with higher prevalence. For men, age groups 55-64 years and >= 65 years and being married or in a stable partnership were associated with higher prevalence of diabetes. CONCLUSIONS: The results indicated that the prevalences of hypertension and diabetes were high and that preventable factors were associated with this situation, thus providing support for public policies aimed towards coping with this. PMID- 29211210 TI - ERRATUM. AB - [This corrects the article doi: 10.1590/1516-3180.2017.0023190317]. PMID- 29211211 TI - The Emblematic Year of 2011, Trials and the 50 Years of Heart Transplantation: Three Relevant Issues. PMID- 29211212 TI - Comparative Study of Electrical Stimulation of the Heart with VDD and DDD Pacemakers as to the Evolution to Atrial Fibrillation. AB - INTRODUCTION: The pacemaker implantation VDD is considered simpler, faster, less expensive and causes fewer complications compared to DDD. However, the VDD pacemaker has not been widely used in many centers, perhaps for fear of dysfunction of the sinus node and the reduction of atrial sensitivity by the pacemaker during follow-up after implantation. OBJECTIVE: To compare patients with DDD and VDD pacemakers regarding the evolution of chronic atrial fibrillation (AF) and length of stay outside this postoperative arrhythmia. METHODS: It was included 158 patients with dual chamber pacemakers, 48 DDD and 110 VDD. Follow-up period: between January 1, 1999 and December 31, 2015. The mean follow-up of patients with DDD was 5.35 years and the VDD, 4.74 years. The percentage of each group (DDD and VDD) which evolved to AF during follow-up was assessed. Also, it was made an actuarial study with the respective curves indicating the time free from AF for each group. Patients were classified according to the diagnosis that led to pacemaker implantation and the degree of heart failure. RESULTS: The percentage of patients who developed AF was higher in DDD group (10.42%) than in VDD group (6.36%), but without statistical significance. Patients with DDD and VDD remained free of AF for similar period. CONCLUSION: Considering the results, the VDD pacemaker continues to be a good option to the DDD for routine use in cases properly indicated. PMID- 29211213 TI - Hybrid Treatment with Complete Transposition of Supra-Aortic Trunks versus Conventional Surgery for the Treatment of Aortic Arch Aneurysm. AB - OBJECTIVE: The disease of the aortic arch is traditionally approached by open surgical repair requiring cardiopulmonary bypass and circulatory arrest. This study performed a retrospective analysis comparing outcomes through primary hybrid patients submitted to aortic arch surgery without cardiopulmonary bypass with patients submitted to conventional open surgery. METHODS: 25 patients submitted to the aortic arch surgery were selected in the period 2003-2012 at the Madre Teresa Hospital in the city of Belo Horizonte, Brazil; 13 of these underwent hybrid technique without cardiopulmonary bypass and 12 underwent conventional open surgery. RESULTS: The mortality rate for the hybrid group was 23% and for the conventional surgery group was 17% (P=0.248). The postoperative complication rate was also similar in both groups, with no significant difference. CONCLUSION: Both techniques proved to be similar in mortality and morbidity. However, due to the small sample, more analytical studies with larger samples and long-term follow-up are needed to clarify this issue. PMID- 29211214 TI - Hybrid Approach of Aortic Diseases: Zone 1 Delivery and Volumetric Analysis on the Descending Aorta. AB - INTRODUCTION: Conventional techniques of surgical correction of arch and descending aortic diseases remains as high-risk procedures. Endovascular treatments of abdominal and descending thoracic aorta have lower surgical risk. Evolution of both techniques - open debranching of the arch and endovascular approach of the descending aorta - may extend a less invasive endovascular treatment for a more extensive disease with necessity of proximal landing zone in the arch. OBJECTIVE: To evaluate descending thoracic aortic remodeling by means of volumetric analysis after hybrid approach of aortic arch debranching and stenting the descending aorta. METHODS: Retrospective review of seven consecutive patients treated between September 2014 and August 2016 for diseases of proximal descending aorta (aneurysms and dissections) by hybrid approach to deliver the endograft at zone 1. Computed tomography angiography were analyzed using a specific software to calculate descending thoracic aorta volumes pre- and postoperatively. RESULTS: Follow-up was done in 100% of patients with a median time of 321 days (range, 41-625 days). No deaths or permanent neurological complications were observed. There were no endoleaks or stent migrations. Freedom from reintervention was 100% at 300 days and 66% at 600 days. Median volume reduction was of 45.5 cm3, representing a median volume shrinkage by 9.3%. CONCLUSION: Hybrid approach of arch and descending thoracic aorta diseases is feasible and leads to a favorable aortic remodeling with significant volume reduction. PMID- 29211215 TI - Predictive Factors of Long-Term Stay in the ICU after Cardiac Surgery: Logistic CASUS Score, Serum Bilirubin Dosage and Extracorporeal Circulation Time. AB - OBJECTIVE: To test the capacity of the Logistic CASUS Score on the second postoperative day, the total serum bilirubin dosage on the second postoperative day and the extracorporeal circulation time, as possible predictive factors of long-term stay in Intensive Care Unit after cardiac surgery. METHODS: Eight-two patients submitted to cardiac surgery with extracorporeal circulation were selected. The Logistic CASUS Score on the second postoperative day was calculated and bilirubin dosage on the second postoperative day was measured. The extracorporeal circulation time was also registered. Patients were divided into two groups: Group A, those who were discharged up to the second day of postoperative care; Group B, those who were discharged after the second day of postoperative care. RESULTS: In this study, 40 cases were listed in Group A and 42 cases in Group B. The mean extracorporeal circulation time was 83.9+/-29.4 min in Group A and 95.8+/-29.31 min in Group B. Extracorporeal circulation time was not significant in this study (P=0.0735). The level of P significance of bilirubin dosage on the second postoperative day was 0.0003 and an area under the ROC curve of 0.708 with a cut-off point at 0.51 mg/dl was registered. The level of P significance of Logistic CASUS Score on the second postoperative day was 0.0001 and an area under the ROC curve of 0.723 with a cut-off point at 0.40% was registered. CONCLUSION: The Logistic CASUS Score on the second postoperative day has shown to be better than the bilirubin dosage on the second postoperative day as a predictive tool for calculating the length of stay in intensive care unit during the postoperative care period of patients. Notwithstanding, extracorporeal circulation time has failed to prove itself as an efficient tool to predict an extended length of stay in intensive care unit. PMID- 29211217 TI - Application of Unilateral Pectoralis Major Muscle Flap in the Treatment of Sternal Wound Dehiscence. AB - OBJECTIVE: This study aims to report the use of the unilateral pectoralis major muscle flap for the treatment of the sternal wound dehiscence. METHODS: A retrospective study including patients who underwent unilateral pectoralis major muscle flap was performed for the treatment of sternotomy dehiscence due to coronary artery bypass, valve replacement, congenital heart disease correction and mediastinitis, between 1997 and 2016. Data from the epidemiological profile of patients, length of hospital stay, postoperative complications and mortality rate were obtained. RESULTS: During this period, 11 patients had their dehiscence of sternotomy treated by unilateral pectoralis major muscle flap. The patients had a mean age of 54.7 years, the mean hospital stay after flap reconstruction was 17.9 days (from 7 to 52 days). In two patients, it was necessary to harvest a flap from the rectus abdominis fascia, in association with the pectoralis major muscle flap, to facilitate the closure of the distal wound. In the postoperative period, seroma discharge from the surgical wound was observed in six patients, five reported intense pain (temporary), three had partial cutaneous dehiscence, and two presented granuloma of the incision. CONCLUSION: The complex wound from sternotomy dehiscences presents itself as a challenge to surgical teams. Treatment should include debridement of necrotic tissue and preferably coverage with well-vascularized tissue. We propose that the unilateral pectoralis major muscle flap is an interesting and low morbidity option for the reconstruction of sternal wound dehiscences, with proper sternum stability and satisfactory functional and aesthetic outcomes. PMID- 29211216 TI - Cardiac Surgery in Jehovah's Witness Patients: Experience of a Brazilian Tertiary Hospital. AB - INTRODUCTION: The outcomes of Jehovah's Witness (JW) patients submitted to open heart surgery may vary across countries and communities. The aim of this study was to describe the morbidity and mortality of JW patients undergoing cardiac surgery in a tertiary hospital center in Southern Brazil. METHODS: A case-control study was conducted including all JW patients submitted to cardiac surgery from 2008 to 2016. Three consecutive surgical non-JW controls were matched to each selected JW patient. The preoperative risk of death was estimated through the mean EuroSCORE II. RESULTS: We studied 16 JW patients with a mean age of 60.6+/ 12.1 years. The non-JW group included 48 patients with a mean age of 63.3+/-11.1 years (P=0.416). Isolated coronary artery bypass graft surgery was the most frequent surgery performed in both groups. Median EuroSCORE II was 1.29 (IQR: 0.66-3.08) and 1.43 (IQR: 0.72-2.63), respectively (P=0.988). The mortality tended to be higher in JW patients (18.8% vs. 4.2%, P=0.095), and there was a higher difference between the predicted and observed mortality in JW patients compared with controls (4.1 and 18.8% vs. 2.1 and 4.2%). More JW patients needed hemodialysis in the postoperative period (20.0 vs. 2.1%, P=0.039). CONCLUSION: We showed a high rate of in-hospital mortality in JW patients submitted to cardiac surgery. The EuroSCORE II may underestimate the surgical risk in these patients. PMID- 29211218 TI - Impact of Myocardial Revascularization Method on Smoking Cessation: Coronary Artery Bypass Grafting versus Percutaneous Coronary Intervention. AB - INTRODUCTION: Smoking is a serious public health issue, being a precursor of heart disease and a predictor of sudden death due to myocardial ischemia. Major events in the patient's health can lead to radical changes in habits and the choice for different myocardial revascularization methods might differently impact smoking cessation and relapse. OBJECTIVE: To study the rate and perpetuation of smoking cessation after myocardial revascularization comparing coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI). METHODS: Smokers submitted to myocardial revascularization were divided into CABG and PCI groups. The research was conducted through interviews at the Hospital Santa Lucinda outpatient clinic. Patients with smoking cessation longer than 90 days before hospital admission, combined procedures, hospital readmission before 360 days after discharge, cases of death at any time, and emergency procedures were excluded from the study. The start of the smoking cessation period was determined as just after hospital discharge, with a follow-up of 12 months. RESULTS: The proportion of patients reporting smoking relapse was significantly lower in the CABG than in the PCI group at 30 (11.1% vs. 20.8%; P=0.039) and at 180 days (23.1% vs. 41.5%; P=0.002), but no differences were observed between the two groups at 360 days after hospital discharge (51.9% vs. 54.1%; P=0.719). High levels of nicotine dependence and passive smoking showed to be important predictors of smoking relapse in the long-term. CONCLUSION: The occurrence of a major surgical procedure seems to have beneficial psychological effects, representing an interesting setting for smoking cessation counseling to have higher chances of success. PMID- 29211219 TI - Incidence and Treatment of Chylothorax in Children Undergoing Corrective Surgery for Congenital Heart Diseases. AB - INTRODUCTION: Chylothorax is a lymphatic extravasation into pleural cavity and its incidence is 0.25%-5.3% in children undergoing cardiac surgery. OBJECTIVE: To evaluate the incidence of chylothorax in pediatrics patients operated, linking it in each surgical intervention. Evaluate treatment types and efficiency. METHODS: Retrospective study using medical records of children undergoing cardiac surgery in the Hospital do Coracao between 2004 and 2014. For statistical analysis, qualitative variables by absolute frequency and relative frequency; quantitative variables, by median of 25 and 75 percentiles, as they did not present normal distribution (Shapiro-Wilk, P<0.05). The Chi-square test was used for the association between type of treatment and result. The adopted confidence level was 95%. RESULTS: Incidence of chylothorax was 2.1% (0.9% in intracardiac surgery, 1.7% correction of patent ductus arteriosus and aortic coarctation, 8.3% Glenn's surgery, 11.8% total cavopulmonary surgery and 3% in others). Among treatments, fasting associated with total parenteral nutrition (TPN) resolved 51% of the cases. Hypoglossal diet had failed treatment and surgical referral in 22% of the cases. Fasting with TPN associated with octreotide had success in the treatment of chylothorax in a period exceeding 15 days in 78% of cases, and 3.7% were referred for surgery. CONCLUSION: According to the results, incidence of chylothorax was 2.18%. Treatment with fasting and TPN leads to resolutions in 86.5%, and the association with octreotide was successful in 85.1% of cases, showing an efficient option, while the treatment with hypoglossal diet had therapeutic failure in 22% of the cases in which it was used. PMID- 29211220 TI - Blood Transfusion and Increased Perioperative Risk in Coronary Artery Bypass Grafts. AB - OBJECTIVE: To correlate blood transfusions and clinical outcomes during hospitalization in coronary artery bypass grafting surgery (CABG). METHODS: Transfusion, clinical and hematological data were collected for 1,378 patients undergoing isolated or combined CABG between January 2011 and December 2012. The effect of blood transfusions was evaluated through multivariate analysis to predict three co-primary outcomes: composite ischemic events, composite infectious complications and hospital mortality. Because higher risk patients receive more transfusions, the hospital mortality outcome was also tested on a stratum of low-risk patients to isolate the effect of preoperative risk on the results. RESULTS: The transfusion rate was 63.9%. The use of blood products was associated with a higher incidence of the three coprimary outcomes: composite infectious complications (OR 2.67, 95% CI 1.70 to 4.19; P<0.001), composite ischemic events (OR 2.42, 95% CI 1.70 to 3.46; P<0.001) and hospital mortality (OR 3.07, 95% CI 1.53 to 6.13; P<0.001). When only patients with logistic EuroSCORE <= 2% were evaluated, i.e., low-risk individuals, the mortality rate and the incidence of ischemic events and infectious complications composites remained higher among the transfused patients [6% vs. 0.4% (P<0.001), 11.7% vs. 24,3% (P<0.001) and 6.5% vs. 12.7% (P=0.002), respectively]. CONCLUSION: The use of blood components in patients undergoing CABG was associated with ischemic events, infectious complications and hospital mortality, even in low-risk patients. PMID- 29211221 TI - Safety and Feasibility Study of a Novel Stent-Graft for Thoracic Endovascular Aortic Repair: a Canine Model Experiment. AB - OBJECTIVE: To evaluate the safety and feasibility of a novel stent-graft for thoracic endovascular aortic repair (TEVAR) in a canine model, 9 adult hybrid dogs were used for the experiment. METHODS: All animals were implanted with a novel thoracic aortic stent-graft via femoral artery. Blood sample was collected at pre-operation and 1, 2, 4, 8 and 12 weeks after implantation for hematological examination. Moreover, tissues from randomly selected 4 dogs were subjected to histopathological analysis with the optical microscope after stent-grafts were implanted for 3, 6, 9, and 12 months respectively. The experimental period lasted for more than 2 years. RESULTS: A total of 9 stent-grafts were successfully implanted in the canine thoracic aortas and no migration or deformation occurred. Related indicators of blood routine, inflammatory factors, and immunology changes were not significantly (P>0.05), except the white blood cell (WBC) counts in the first week. Moreover, abnormal morphology was not found in all thoracic aortas via histopathological examination. Additionally, all stent-grafts were patent and did not migrate, and there was no thrombus in the lumens of stent-grafts. CONCLUSION: The novel thoracic aortic stent-graft made in China was safe and feasible for thoracic endovascular aortic repair in a canine model. PMID- 29211222 TI - CABG Surgery Remains the best Option for Patients with Left Main Coronary Disease in Comparison with PCI-DES: Meta-Analysis of Randomized Controlled Trials. AB - OBJECTIVE: To compare the safety and efficacy of coronary artery bypass grafting (CABG) with percutaneous coronary intervention (PCI) using drug-eluting stents (DES) in patients with unprotected left main coronary artery (ULMCA) disease. METHODS: MEDLINE, EMBASE, CENTRAL/CCTR, SciELO, LILACS, Google Scholar and reference lists of relevant articles were searched for clinical studies that reported outcomes at 1-year follow-up after PCI with DES and CABG for the treatment of ULMCA stenosis. Five studies fulfilled our eligibility criteria and they included a total of 4.595 patients (2.298 for CABG and 2.297 for PCI with DES). RESULTS: At 1-year follow-up, there was no significant difference between CABG and DES groups concerning the risk for death (risk ratio [RR] 0.973, P=0.830), myocardial infarction (RR 0.694, P=0.148), stroke (RR 1.224, P=0.598), and major adverse cerebrovascular and cardiovascular events (RR 0.948, P=0.680). The risk for target vessel revascularization (TVR) was significantly lower in the CABG group compared to the DES group (RR 0.583, P<0.001). It was observed no publication bias regarding the outcomes, but only the outcome TVR was free from substantial statistical heterogeneity of the effects. In the meta-regression, there was evidence that the factor "female gender" modulated the effect regarding myocardial infarction rates, favoring the CABG strategy. CONCLUSION: CABG surgery remains the best option of treatment for patients with ULMCA disease, with lower TVR rates. PMID- 29211224 TI - History of Heart Transplantation: a Hard and Glorious Journey. PMID- 29211223 TI - Effectiveness of Implantation of Cardioverter-Defibrillators Therapy in Patients with Non-Ischemic Heart Failure: an Updated Systematic Review and Meta-Analysis. AB - OBJECTIVE: Implantable cardioverter-defibrillator has become the first-line therapy for prevention of sudden cardiac death. Controversial results still exist regarding the effectiveness of implantable cardioverter-defibrillator (ICD) in non-ischemic heart failure. METHODS: The PubMed, Embase, and Cochrane Central databases were searched for randomized trials comparing implantable cardioverter defibrillator in combination with medical treatment versus medical treatment for non-ischemic heart failure. The primary endpoint was incidence of all-cause death. We derived pooled risk ratios with fixed-effects models. RESULTS: Five studies enrolling 2573 patients were included. Compared with medical treatment, implantable cardioverter-defibrillator with medical treatment was associated with a significantly lower risk for all-cause mortality (Risk ratio: 0.83; 95% confidence interval 0.71 to 0.97). CONCLUSION: Compared with medical treatment only, implantable cardioverter-defibrillator in combination with medical treatment reduces all-cause mortality. PMID- 29211226 TI - Implantation of Short-Term and Long-Term Right Ventricular Assist Devices. AB - The last decade has seen considerable growth in the use of left ventricular assist devices (LVAD), in end-phase heart failure treatment. The indications, contraindications and implantation techniques are well-defined. However, information about mechanical support for right ventricular failure is lacking. The aim of this communication is to present alternative techniques for implantation of short- and longterm right ventricular assist devices. Implanting the device in the right atrium has certain advantages when compared with the right ventricle. It is an easier surgical technique that preserves the tricuspid valve and it can potentially reduce the risk of pump thrombosis. PMID- 29211225 TI - Off-pump versus On-pump Coronary Artery Bypass Grafting in Frail Patients: Study Protocol for the FRAGILE Multicenter Randomized Controlled Trial. AB - INTRODUCTION: Advances in modern medicine have led to people living longer and healthier lives. Frailty is an emerging concept in medicine yet to be explored as a risk factor in cardiac surgery. When it comes to CABG surgery, randomized controlled clinical trials have primarily focused on low-risk (ROOBY, CORONARY), elevated-risk (GOPCABE) or high-risk patients (BBS), but not on frail patients. Therefore, we believe that off-pump CABG could be an important technique in patients with limited functional capacity to respond to surgical stress. In this study, the authors introduce the new national, multicenter, randomized, controlled trial "FRAGILE", to be developed in the main cardiac surgery centers of Brazil, to clarify the potential benefit of off-pump CABG in frail patients. METHODS: FRAGILE is a two-arm, parallel-group, multicentre, individually randomized (1:1) controlled trial which will enroll 630 patients with blinded outcome assessment (at 30 days, 6 months, 1 year, 2 years and 3 years), which aims to compare adverse cardiac and cerebrovascular events after off-pump versus on-pump CABG in pre-frail and frail patients. Primary outcomes will be all-cause mortality, acute myocardial infarction, cardiac arrest with successful resuscitation, low cardiac output syndrome/cardiogenic shock, stroke, and coronary reintervention. Secondary outcomes will be major adverse cardiac and cerebrovascular events, operative time, mechanical ventilation time, hyperdynamic shock, new onset of atrial fibrillation, renal replacement therapy, reoperation for bleeding, pneumonia, length of stay in intensive care unit, length of stay in hospital, number of units of blood transfused, graft patency, rate of complete revascularization, neurobehavioral outcomes after cardiac surgery, quality of life after cardiac surgery and costs. DISCUSSION: FRAGILE trial will determine whether off-pump CABG is superior to conventional on-pump CABG in the surgical treatment of pre-frail and frail patients. TRIAL REGISTRATION: ClinicalTrials.gov, ID: NCT02338947. Registered on August 29th 2014; last updated on March 21st 2016. PMID- 29211227 TI - Resection of Left Atrial Myxoma in a Patient with Retrosternal Gastric Tube: a Case Report. AB - The median sternotomy remains the standard approach in cardiovascular surgery but, in some conditions, it can be considered difficult to perform, especially in patients with history of esophagectomy. This case report describes a successful resection of a left atrial myxoma through a right anterolateral thoracotomy approach in a patient with a previous retrosternal gastric tube reconstruction. The decision for the best surgical approach was made after a heart surgery team discussion. Through this surgical access, a safe and excellent exposure of the left atrium was possible, and a complete resection of the myxoma was performed without any injury to the gastric tube. PMID- 29211228 TI - ERRATUM. AB - [This corrects the article doi: 10.21470/1678-9741-2017-0053]. PMID- 29211229 TI - Brazilian Congress of Cardiovascular Surgery. PMID- 29211230 TI - Psychic and moral exhaustion in primary care workers. AB - OBJECTIVE To report the experience of developing a workshop proposal to assist local managers with the identification, management and prevention of primary care workers' psychic and moral exhaustion. METHOD The workshop was developed through a literature review performed between November 2014 and June 2015. The temporal cut considered studies of the ten previous years. The selection included studies describing collective interventions for situations generating psychic and moral exhaustion, preferably in primary care services. RESULTS Thirty-five articles were analyzed. The workshop provides five meetings with an average duration of one hour. The themes are: awareness; recognizing personal stress; dealing with personal stress; recognizing team stress; and dealing with team stress. The workshop is based on five key principles: detection and coping; attention to interpersonal relationships; communication; self-knowledge and mindfulness. CONCLUSION Psychic and moral exhaustion may reflect negatively on workers' health, the care, and the organization. The proposal of measures to recognize, deal with and prevent psychic and moral exhaustion is relevant and strategic in the constant search for improvement of satisfaction and quality. PMID- 29211231 TI - Intimate partner violence among health professionals: distribution by autonomous communities in Spain. AB - OBJECTIVE To determine the prevalence of intimate partner violence among health care professionals who work in the Spanish National Health System, according to the autonomous communities of Spain. METHOD This was a descriptive cross sectional multicenter study conducted with male and female health professionals (doctors, nurses, and nursing aides) in the different autonomous communities that are part of the Spanish National Health System. The following instruments were employed: among women, an intimate partner violence screening questionnaire; and among men, a questionnaire that screened for violence in the family environment. RESULTS A total of 1,039 health professionals participated in the study. Of these, 26% had suffered some type of abuse. Among the men, this prevalence was 2.7%, while among the women, it was 33.8%. There were differences in the prevalence of intimate partner violence among different autonomous communities, with the highest percentages in the Canary Islands. In terms of profession, 19.5% of the doctors had been exposed to intimate partner violence, while this percentage was 31% and 48.6% for nurses and nursing professionals, respectively. CONCLUSION The results indicate the presence of intimate partner violence among healthcare personnel in most of the autonomous communities of Spain. The data demonstrate the need to implement action plans, both to support victims and to mitigate the problem. PMID- 29211232 TI - Association between workload of the nursing staff and patient safety outcomes. AB - OBJECTIVE To describe the workload of the nursing team and relate it with patient safety outcomes in clinical and surgical inpatient units of a university hospital. METHOD Cross-sectional study, carried out from October 2013 to September 2015. The factor under study was the workload, expressed as the ratio between the mean number of patients and the number of nursing professionals in 24 hours and in the day shifts. RESULTS The sample consisted of 157,481 patients, 502 nursing professionals and 264 observations of safety outcomes. The ratios of patients per nurse and per nursing technician in day shifts indicate a mean estimate of 14-15 and 5-6 patients per professional, respectively. There was a significant association between the workloads in the inpatient units and average length of stay, urinary infection related to invasive procedure and the satisfaction of patients with nursing care. CONCLUSION The increase in the workload of the nursing team had an impact on quality of care and safety for patients. An adequate staffing promotes a safer care environment. PMID- 29211233 TI - Elderly caregivers living in urban, rural and high social vulnerability contexts. AB - OBJECTIVE Comparing the differences in the sociodemographic, care and health profiles of elderly caregivers of the elderly living in urban, rural, and high social vulnerability contexts. METHOD A cross-sectional study developed with elderly caregivers enrolled in the Family Health Units of a municipality in the interior of Sao Paulo. Household interviews and evaluations were conducted on: Activities of Daily Living (ADL), self-reported pain, frailty, cognition, life satisfaction, family functionality, burden, stress and hope. RESULTS A total of 343 elderly caregivers of elderly individuals participated in the study, of which 55.1% lived in an urban context, 23.6% in rural areas, and 21.3% in a context of high social vulnerability. The majority of elderly caregivers were women across the three contexts, with a median age of 67 years and caring for their spouse. Caregivers from regions of high social vulnerability had lower education level, received less emotional and material help to care, were less satisfied with life, more fragile, in more cognitive decline, had worse family functionality and a lower level of hope when compared to caregivers of urban and rural contexts (p<=0.05). However, caregivers from areas of high vulnerability were more independent for ADL. CONCLUSION Professionals working in Primary Care should consider these differences when planning interventions aimed at the specific group of caregivers. PMID- 29211234 TI - Comparison of the cognitive performance of elderly caregivers with and without chronic pain. AB - OBJECTIVE Understanding and characterizing chronic pain in elderly caregivers, verifying the cognitive performance of the elderly of the sample and verifying whether there is difference in the cognitive performance of elderly caregivers with and without chronic pain. METHOD Participants were people aged 60 years or older who lived with another elderly person in the same household and who were registered in Family Health Units. Data collection took place at participants' homes. Pain was assessed by the EMADOR and cognition was assessed by ACE-R. Statistical analyzes were performed using Shapiro-Wilk's and Mann-Whitney U tests. RESULTS The study included 187 elderly caregivers with chronic pain and 133 without chronic pain, with a higher frequency of women. Chronic pain was present in 58.4% of the participants. Regarding the sociodemographic variables, there was no difference between the groups except for the gender variable (p=0.025). No difference was found in cognitive performance among the elderly with chronic pain and those without chronic pain for any domain of the ACE-R instrument. CONCLUSION The results contradicted the initial hypothesis that there would be a difference between the groups; however, there is a gap in the scientific knowledge on chronic pain and cognition, especially in elderly caregivers, opening perspectives for future investigations. PMID- 29211235 TI - Adolescent health promotion and the School Health Program: complexity in the articulation of health and education. AB - Objective To analyze the context of health promotion with adolescents in the health and education interface focusing on the actions of the Brazilian School Health Program. Qualitative study conducted in 2015 with professionals working in the Regional Executive Coordination IV, in Fortaleza, Ceara. The data obtained in the interview were processed in the ALCESTE program. 17 health professionals and 22 education professionals participated in the study. The organization of spontaneous demand causes disharmony in the scheduled visits and health actions in the school. The difficulties in the implementation of the School Health Program were demonstrated by the lack of knowledge, the lack of planning among the sectors and the different demarcations in the territory. The professionals' lack of knowledge regarding the program and the lack of action planning confirm the disarticulation of the education and health sectors, although they indicate the possibilities of this inter-sectoral practice. PMID- 29211236 TI - Effects of sacred music on the spiritual well-being of bereaved relatives: a randomized clinical trial. AB - OBJECTIVE To evaluate the effects of instrumental sacred music and sacred music with vocals on the spiritual well-being of bereaved relatives. METHOD This is a randomized clinical trial carried out with family members bereaving the death of loved ones to cancer. Participants were allocated into three groups: Group 1 (control), Group 2 (experimental using sacred music with vocals) or Group 3 (experimental using instrumental sacred music). Spiritual well-being was assessed through the Spiritual Well-Being Scale. RESULTS Sixty-nine (69) family members participated. Mean scores before and after the intervention indicated high levels of spiritual well-being (106.4 and 105.5 in Group 1; 103.2 and 105.2 in Group 2; 107.4 and 108.7 in Group 3) and religious well-being (57.9 and 56.9 in Group 1; 56.3 and 56.4 in Group 2; 57.4 and 58.1 in Group 3), and moderate levels of existential well-being (48.5 and 48.6 in Group 1; 46.9 and 48.9 in Group 2; 49.9 and 50.7 in Group 3), with the exception of Group 3 which presented a high level of existential well-being after the intervention. CONCLUSION The results show that there were no statistically significant differences in the spiritual well being scores between the experimental groups and the control group. We evidence the need for further studies that use music therapy as a Nursing intervention for bereaved families. Brazilian Registry of Clinical Trials: RBR-2wtwjz. PMID- 29211237 TI - Embracement as an analyzer of the relationships between professionals, managers and users. AB - OBJECTIVE Analyzing the relationships among professionals and between professionals with managers and users based on the user embracement analyzer. METHOD A qualitative study incorporating the theoretical-methodological reference of institutional analysis. The data were produced through focus groups and organized from transcription, transposition and reconstitution. Seventeen (17) focus group sessions were conducted involving six municipalities and health professionals from various backgrounds. RESULTS 137 professionals participated in this study. User embracement has been carried out with the aim to organize spontaneous demand. Doctors have not been directly involved, although they have the final say. Intermediate nursing deals with the users and nurses perform important negotiation work among the network sectors. The receptionists and the community agents develop the first approach to the users, forwarding them to nursing to negotiate the service. Managers hope to avoid complaints by attending everyone. Users take advantage of party politics and of the media for services when there is no access. CONCLUSION User embracement is an analyzer, since it produces visibility and readability of the relations being produced in health services, and when analyzed can lead to denaturalizing these actions. PMID- 29211238 TI - Bibliometric indicators of the nursing journals according to the index databases. AB - Objective To analyze the bibliometric indicators of the national and international journals in the area of nursing from the perspective of index databases. Method A historical cohort referring to the period of 2014 to 2016. National nursing journals indexed in the SciELO database and classified in the Qualis as A1, A2 and B1, and international nursing journals with impact factor above 1.0 and below 1.8, indexed in the Web of Science and Scopus Bases, were selected. Nursing specialty periodicals were excluded. The bibliometric indicators were collected from the index databases and imported into Ms Excel for analysis and data tabulation. Results The bibliometric indicators of the different index databases are divergent and cannot be compared. Lower title coverage and shorter calculation periods amplify the distortions between the indicators of national and international journals. Conclusion The internationalization criteria imposed on national journals do not contribute to obtaining or increasing the impact factor. A broader coverage of indexed titles and a longer calculation period for citations represent a significant difference in results. The h-index and CiteScore appear to be better impact indicators for national nursing research. PMID- 29211239 TI - Urban malaria transmission in a non-endemic area in the Andean region of Colombia. AB - BACKGROUND: Rapid urbanisation in difficult socio-economic conditions such as inadequate housing infrastructure, lack of public services, improper sanitation, and poor water drainage systems in vegetation-rich areas lead to ecological conditions that are conducive to the breeding of mosquitoes and transmission of malaria, in semi-urban and urban settings. OBJECTIVES: This study aimed to describe the cases of malaria that were reported in the peri-urban areas of Pereira (Colombia), between 2008 and 2015. METHODS: A retrospective study was conducted using data from the Malaria Surveillance System 2009-2015 and an outbreak study (between December 2008 and March 2009). Frequency distributions and summary measures, as well as univariate analysis were performed for all the variables in consideration. The annual parasite index (API) was calculated. FINDINGS: Data on 214 cases were obtained from the surveillance system. A majority of the cases were reported in men (63.1%), followed by in children < 15 years (23.8%), and were caused predominantly by Plasmodium vivax (86.0%), with most of the infection occurring in the urban areas (52.8%) of Pereira. The API, by sex and age group, was higher among men >= 80 years. The outbreak study reported 14 cases of malaria in rural/peri-urban neighborhoods, and it was observed that the anopheline breeding sites were in close proximity to the houses in these areas. This population did not use protective measures against mosquitoes and chemical control was conducted through residual and spatial insecticide spraying. MAIN CONCLUSIONS: This study suggested the presence of autochthonous malaria transmission, in Pereira, between 2008 and 2015, most of which were cases of P. vivax. A greater intensity was observed between 2008 and 2009 when malaria was possibly reintroduced to the region. During the years of the study, a gradual decrease in the number of reported cases of malaria was observed in Pereira, except for the time period between 2008 and 2009 when a spike was noted (estimated using the API); this was most likely caused by an outbreak. Interventions that are more aggressive in nature are required to prevent further malarial transmission and dissemination. PMID- 29211240 TI - Natural environmental water sources in endemic regions of northeastern Brazil are potential reservoirs of viable Mycobacterium leprae. AB - BACKGROUND: The detection of live Mycobacterium leprae in soil and animals other than humans suggests that the environment plays a role in the transmission of leprosy. OBJECTIVE: The objective of this study was to investigate the presence of viable M. leprae in natural water sources used by the local population in five municipalities in the state of Ceara, northeastern Brazil. METHODS: Samples were collected from 30 different sources. Viable bacilli were identified by reverse transcriptase polymerase chain reaction (PCR) of the M. leprae gyrA gene and sequencing of the PCR products. Physicochemical properties of each water source were also assessed. FINDINGS: M. leprae gyrA mRNA was found in 23 (76.7%) of the water sources. No association was found between depth of the water and sample positivity, nor was there any association between the type of water used by the population and sample positivity. An association between viable M. leprae and temperature and pH was found. Georeferencing showed a relation between the residences of leprosy cases and water source containing the bacterium. MAIN CONCLUSIONS: The finding of viable M. leprae in natural water sources associated with human contact suggests that the environment plays an important role in maintaining endemic leprosy in the study region. PMID- 29211241 TI - Parenteral adjuvant potential of recombinant B subunit of Escherichia coli heat labile enterotoxin. AB - BACKGROUND: The B subunit of Escherichia coli heat-labile enterotoxin (LTB) is a potent mucosal immune adjuvant. However, there is little information about LTB's potential as a parenteral adjuvant. OBJECTIVES: We aimed at evaluating and better understanding rLTB's potential as a parenteral adjuvant using the fused R1 repeat of Mycoplasma hyopneumoniae P97 adhesin as an antigen to characterise the humoral immune response induced by this construct and comparing it to that generated when aluminium hydroxide is used as adjuvant instead. METHODS: BALB/c mice were immunised intraperitoneally with either rLTBR1 or recombinant R1 adsorbed onto aluminium hydroxide. The levels of systemic anti-rR1 antibodies (total Ig, IgG1, IgG2a, and IgA) were assessed by enzyme-linked immunosorbent assay (ELISA). The ratio of IgG1 and IgG2a was used to characterise a Th1, Th2, or mixed Th1/Th2 immune response. FINDINGS: Western blot confirmed rR1, either alone or fused to LTB, remained antigenic; anti-cholera toxin ELISA confirmed that LTB retained its activity when expressed in a heterologous system. Mice immunised with the rLTBR1 fusion protein produced approximately twice as much anti-rR1 immunoglobulins as mice vaccinated with rR1 adsorbed onto aluminium hydroxide. Animals vaccinated with either rLTBR1 or rR1 adsorbed onto aluminium hydroxide presented a mixed Th1/Th2 immune response. We speculate this might be a result of rR1 immune modulation rather than adjuvant modulation. Mice immunised with rLTBR1 produced approximately 1.5-fold more serum IgA than animals immunised with rR1 and aluminium hydroxide. MAIN CONCLUSIONS: The results suggest that rLTB is a more powerful parenteral adjuvant than aluminium hydroxide when administered intraperitoneally as it induced higher antibody titres. Therefore, we recommend that rLTB be considered an alternative adjuvant, even if different administration routes are employed. PMID- 29211242 TI - Potentially pathogenic Acanthamoeba genotype T4 isolated from dental units and emergency combination showers. AB - BACKGROUND: Acanthamoeba is the genus of free-living amoebae that is most frequently isolated in nature. To date, 20 Acanthamoeba genotypes have been described. Genotype T4 is responsible for approximately 90% of encephalitis and keratitis cases. Due to the ubiquitous presence of amoebae, isolation from environmental sources is not uncommon; to determine the clinical importance of an isolation, it is necessary to have evidence of the pathogenic potential of amoebae. OBJECTIVE: The aim of this study was to physiologically characterise 8 Acanthamoeba T4 isolates obtained from dental units and emergency combination showers and to determine their pathogenic potential by employing different laboratory techniques. METHODS: Eight axenic cultures of Acanthamoeba genotype T4 were used in pathogenic potential assays. Osmotolerance, thermotolerance, determination and characterisation of extracellular proteases and evaluation of cytopathic effects in MDCK cells were performed. FINDINGS: All of the isolates were osmotolerant, thermotolerant and had serine proteases from 44-122 kDa. Two isolates had cytopathic effects on the MDCK cell monolayer. MAIN CONCLUSION: The presence of Acanthamoeba T4 with pathogenic potential in areas such as those tested in this study reaffirms the need for adequate cleaning and maintenance protocols to reduce the possibility of infection with free-living amoebae. PMID- 29211243 TI - Evidence of hidden leprosy in a supposedly low endemic area of Brazil. AB - OBJECTIVES: Show that hidden endemic leprosy exists in a municipality of inner Sao Paulo state (Brazil) with active surveillance actions based on clinical and immunological evaluations. METHODS: The study sample was composed by people randomly selected by a dermatologist during medical care in the public emergency department and by active surveillance carried out during two days at a mobile clinic. All subjects received a dermato-neurological examination and blood sampling to determine anti-PGL-I antibody titers by enzyme-linked immunosorbent assay (ELISA). RESULTS: From July to December 2015, 24 new cases of leprosy were diagnosed; all were classified as multibacillary (MB) leprosy, one with severe Lucio's phenomenon. Seventeen (75%) were found with grade-1 or 2 disability at the moment of diagnosis. Anti-PGL-I titer was positive in 31/133 (23.3%) individuals, only 6/24 (25%) were positive in newly diagnosed leprosy cases. CONCLUSIONS: During the last ten years before this study, the average new case detection rate (NCDR) in this town was 2.62/100,000 population. After our work, the NCDR was raised to 42.8/100,000. These results indicate a very high number of hidden leprosy cases in this supposedly low endemic area of Brazil. PMID- 29211244 TI - Dengue serotype-specific immune response in Aedes aegypti and Aedes albopictus. AB - BACKGROUND: Dengue viruses (DENV) are considered one of the most important emerging pathogens and dengue disease is a global health threat. The geographic expansion of dengue viruses has led to co-circulation of all four dengue serotypes making it imperative that new DENV control strategies be devised. OBJECTIVES: Here we characterize dengue serotype-specific innate immune responses in Aedes aegypti and Aedes albopictus using DENV from Puerto Rico (PR). METHODS: Ae. aegypti and Ae. albopictus were infected with dengue serotype 1 and 2 isolated from Puerto Rico. DENV infected mosquito samples were collected and temporal change in expression of selected innate immune response pathway genes analyzed by quantitative real time PCR. FINDINGS: The Toll pathway is involved in anti-dengue response in Ae. aegypti, and Ae. albopictus. Infections with PR DENV- 1 elicited a stronger response from genes of the Toll immune pathway than PR DENV 2 in Ae. aegypti but in infected Ae. albopictus expression of Toll pathway genes tended to be similar between the serotypes. Two genes (a ribosomal S5 protein gene and a nimrod-like gene) from Ae. albopictus were expressed in response to DENV. MAIN CONCLUSIONS: These studies revealed a role for antiviral genes in DENV serotype-specific interactions with DENV vectors, demonstrated that infections with DENV-2 can modulate the Toll immune response pathway in Ae. aegypti and elucidated candidate molecules that might be used to interfere with serotype specific vector-virus interactions. PMID- 29211245 TI - Low dose systemic or intralesional meglumine antimoniate treatment for American tegumentary leishmaniasis results in low lethality, low incidence of relapse, and low late mucosal involvement in a referral centre in Rio de Janeiro, Brazil (2001 2013). AB - BACKGROUND: American tegumentary leishmaniasis (ATL) is a non-lethal parasitic disease that presents with cutaneous (CL) and mucosal (ML) clinical forms. ATL treatment aims at healing the lesions and preventing the development of the late mucosal form. Systemic meglumine antimoniate (MA) therapy with 10-20 mg Sb5+/kg/day is the first choice of treatment. However, alternative therapies using 5 mg Sb5+/kg/day or intralesional (IL) MA are the usual regimens at the National Institute of Infectious Diseases (NIID), Rio de Janeiro, Brazil. OBJECTIVES: To evaluate lethality and the incidence of relapse and development of late ML in CL patients treated at NIID from 2001 until 2013. METHODS: Data were recovered from records of all ATL patients diagnosed during that period. FINDINGS: Out of 777 patients, 753 were treated with MA (96.9%). Of those, 89.1% received alternative therapy of 9.9% IL and 79.2% systemic 5 mg Sb5+/kg/day. Some patients required 1-3 additional courses of treatment, thus making a total of 997 courses; 85.2% of them were subjected to alternative therapies. Lethality was 0.1%, relapse incidence 5.8%, and late ML incidence 0.25%. As a final outcome for the 777 patients, 95.9% were cured, 0.1% died and 4.0% were not able to follow up. MAIN CONCLUSIONS: Alternative MA schedules resulted in low lethality without increase of relapse or late ML incidence. PMID- 29211246 TI - ELISA-based assay of immunoglobulin G antibodies against mammalian cell entry 1A (Mce1A) protein: a novel diagnostic approach for leprosy. AB - BACKGROUND: Leprosy is a chronic infectious disease caused by the obligate intracellular bacillus Mycobacterium leprae. Because leprosy diagnosis is complex and requires professional expertise, new tools and methodologies are needed to detect cases in early stages and prevent transmission. The M. leprae genome contains mce1A, which encodes a putative mammalian cell entry protein (Mce1A). We hypothesised that the presence of Mce1A on the cell surface could be detected by the host's immune system. OBJECTIVE: The aim of this study was to evaluate antibody responses against the Mce1A protein in leprosy patients, household contacts of patients, and the general population to present an addition tool for leprosy diagnosis. METHODS: A cross-sectional study involving 89 volunteers [55 leprosy cases, 12 household contacts (HHC) and 22 endemic controls (EC)] was conducted at Couto Maia Hospital, in Salvador, Bahia (BA), Brazil. RESULTS: The median anti-Mce1A IgA was significantly higher in multibacillary (MB) and paucibacillary (PB) cases than in EC (p < 0.0001). A similar trend was observed in IgM levels, which were significantly higher in both MB (p < 0.0001) and PB (p = 0.0006) groups compared to in EC individuals. The greatest differences were observed for IgG class-specific antibodies against Mce1A. The median levels of MB and PB were significantly higher compared to both controls HHC and EC (MB or PB vs EC, MB vs HHC p < 0.0001; PB vs HHC, p = 0.0013). Among leprosy cases, IgG enzyme-linked immunosorbent assay sensitivity and specificity were 92.7% and 97.1%, respectively. IgG positivity was confirmed in 92.1% and 94.1% of MB and PB patients, respectively. CONCLUSION: This novel diagnostic approach presents an easy, non-invasive, and inexpensive method for leprosy screening, which may be applicable in endemic areas. PMID- 29211247 TI - Immunoproteomics of Plasmodium falciparum-infected red blood cell membrane fractions. AB - BACKGROUND: The surface of infected red blood cells (iRBCs) has been widely investigated because of the molecular complexity and pathogenesis mechanisms involved. Asymptomatic individuals are important in the field because they can perpetuate transmission as natural reservoirs and present a challenge for diagnosing malaria because of their low levels of circulating parasites. Recent studies of iRBC antibody recognition have shown that responses are quantitatively similar in symptomatic and asymptomatic infections, but no studies have characterised the plasmodial proteins targeted by this response. OBJECTIVES: Our main objective was to identify Plasmodium falciparum proteins associated with iRBC ghosts recognised by antibodies in the sera of symptomatic and asymptomatic individuals in the Brazilian Amazon. METHODS: We collected symptomatic and asymptomatic sera from patients residing in the Brazilian Amazon and P. falciparum iRBC ghosts to identify the proteins involved in natural antibody recognition by 2D-electrophoresis, western blotting, and high- resolution mass spectrometry. FINDINGS: 2D gel-based immunoproteome analysis using symptomatic and asymptomatic sera identified 11 proteins with at least one unique peptide, such as chaperones HSP70-1 and HSP70-x, which likely are components of the secretion machinery/PTEX translocon. PfEMP1 is involved in antigenic variation in symptomatic infections and we found putative membrane proteins whose functions are unknown. MAIN FINDINGS: Our results suggest a potential role of old and new proteins, such as antigenic variation proteins, iRBC remodelling, and membrane proteins, with no assigned functions related to the immune response against P. falciparum, providing insights into the pathogenesis, erythrocyte remodelling, and secretion machinery important for alternative diagnosis and/or malaria therapy. PMID- 29211248 TI - Draft genome of the emerging pathogen, Kocuria marina, isolated from a wild urban rat. AB - Kocuria marina has recently emerged as a cause for catheter-related bloodstream infections in patients with underlying health complications. One K. marina strain was recently isolated from the lung tissues of a wild urban rat (Rattus rattus diardii) caught during rodent surveillance. Here, we present the draft genome of the first K. marina animal isolate, K. marina TRE150902. PMID- 29211250 TI - Modulation of the prostaglandin-endoperoxide synthase 2 gene expression by variant haplotypes: influence of the 3'-untranslated region. AB - The inducible inflammatory enzyme cycloxigenase-2 is up-regulated in cancer, and favors tumor progression. Cycloxigenase-2 is encoded by the prostaglandin endoperoxide synthase 2 (PTGS2) gene, which presents sequence variations in the promoter region (PR) and in the 3'-untranslated region (3'-UTR). Different PR (rs689465, rs689466, rs20417) and 3'-UTR (rs5275) variants were generated by site directed mutagenesis, and combined in haplotypes to access expression levels using a reporter system (luciferase) in human cells (MCF-7 and HEK293FT). Luciferase activity did not differ significantly among PTGS2 PR constructs, except for pAAC (containing variant allele rs20417 C), with 40% less activity than pAAG (wild-type sequence) in MCF-7 cells (P<0.01). Despite the lack of individual significant differences, PTGS2 PR constructs enclosing rs689466 G (pAGG and pAGC) showed an approximate two-fold increase in luciferase activity when compared to those containing rs689466 A (pAAG, pGAC, pAAC and pGAG) in both cell lines (P<0.001 for MCF-7 and P=0.03 for HEK293FT). The effect of PTGS2 3' UTR sequences varied between MCF-7 and HEK293FT: MCF-7 cells showed significant reduction (40-60%) in luciferase activity (at least P<0.01), whereas HEK293FT cells showed more diverse results, with an average 2-fold increase when combined constructs (PR and 3'-UTR) were compared to respective parental PR sequences. The contribution of 3'-UTR variant (rs5275) was not consistent in either cell line. Despite the modulation of the 3'-UTR, with variable effects of rs5275, the enhancing transcriptional effect of rs689466 G was still detectable (P<0.0001 in MCF-7 or P=0.03 in HEK293FT cells). PMID- 29211249 TI - Effects of bone morphogenetic protein-2 (BMP-2) and vascular endothelial growth factor (VEGF) release from polylactide-poly (ethylene glycol)-polylactide (PELA) microcapsule-based scaffolds on bone. AB - Multiple growth factors can be administered to mimic the natural process of bone healing in bone tissue engineering. We investigated the effects of sequential release of bone morphogenetic protein-2 (BMP-2) and vascular endothelial growth factor (VEGF) from polylactide-poly (ethylene glycol)-polylactide (PELA) microcapsule-based scaffolds on bone regeneration. To improve the double emulsion/solvent evaporation technique, VEGF was encapsulated in PELA microcapsules, to which BMP-2 was attached. The scaffold (BMP-2/PELA/VEGF) was then fused to these microcapsules using the dichloromethane vapor method. The bioactivity of the released BMP-2 and VEGF was then quantified in rat mesenchymal stem cells (rMSCs). Immunoblotting analysis showed that BMP-2/PELA/VEG promoted the differentiation of rMSCs into osteoblasts via the MAPK and Wnt pathways. Osteoblast differentiation was assessed through alkaline phosphatase expression. When compared with simple BMP-2 plus VEGF group and pure PELA group, osteoblast differentiation in BMP-2/PELA/VEGF group significantly increased. An MTT assay indicated that BMP-2-loaded PELA scaffolds had no adverse effects on cell activity. BMP-2/PELA/VEG promoted the differentiation of rMSCs into osteoblast via the ERK1/2 and Wnt pathways. Our findings indicate that the sequential release of BMP-2 and VEGF from PELA microcapsule-based scaffolds is a promising approach for the treatment of bone defects. PMID- 29211251 TI - Circulating levels of adiponectin and extent of coronary artery disease in patients undergoing elective coronary angiography. AB - Adiponectin (APN), an adipose tissue-released adipokine with demonstrated anti inflammatory and anti-atherogenic properties, is encoded by a gene whose polymorphisms are associated with presence of coronary artery disease (CAD). Serum APN levels are inversely related with presence and complexity of CAD. Within this context, we sought to compare levels of total APN and its high molecular weight form (HMW APN) according to clinical presentation and extent of CAD in patients undergoing elective cardiac catheterization. From March 2008 to June 2010, clinical data and blood samples for APN and HMW APN measurements were collected from 415 subjects undergoing cardiac catheterization at two tertiary centers. CAD extent was estimated by the number of coronary arteries with significant stenosis (>=70% obstruction in a major coronary artery) and by Duke Jeopardy Score (DJS). Serum APN levels were similar between groups with stable or unstable CAD (APN 9.20+/-5.88 vs 9.47+/-6.23 MUg/mL, P=0.738, and HMW APN 5.31+/ 3.72 vs 5.91+/-4.16 MUg/mL, P=0.255), even after stratification by the number of arteries involved (single-vessel vs multivessel disease: APN 9.39+/-5.76 vs 9.26+/-6.27 MUg/mL, P=0.871; HMW APN 5.29+/-3.79 vs 5.83+/-4.04 MUg/mL, P=0.306) and DJS score (APN, P=0.718; HMW APN, P=0.276). We conclude that APN and HMW APN serum levels are similar across clinical presentations and different extents of CAD, despite being significantly lower in the presence of obstructive CAD. PMID- 29211253 TI - Leaving no child with disability behind. PMID- 29211252 TI - Ilex paraguariensis extracts extend the lifespan of Drosophila melanogaster fed a high-fat diet. AB - Studies have suggested that total energy intake and diet composition affect lifespan and ageing. A high-fat diet induces oxidative stress and affects the development of diseases. In contrast, antioxidants are capable of reducing its harmful effects. Yerba mate beverages are an important source of antioxidants, but there is scarce knowledge about their effects on suppressing fat accumulation. Here, we investigated the compounds present in yerba mate extracts and assessed their effects on Drosophila melanogaster given a high cholesterol diet. LS-ESI-MS analysis showed the presence of matesaponins, phenolic compounds and methylxanthines in all of the examined extracts. In Drosophila, under extract treatment conditions, the mean lifespan was significantly extended from 38 to 43 days, there was an increase in the ability to support induced stress and decrease in lipid peroxidation products. Moreover, yerba mate extracts recovered the glutathione S-transferases (GST) activity and reduced the cholesterol level. Taken together, our results support that extracts can extend lifespan by reducing the detrimental effect of a high-fat diet in D. melanogaster, and this outcome can be associated with the compound content in the extracts. This study improves the understanding of natural interventions that reduce stress-induced oxidative damage, which is fundamental in promoting healthy ageing. PMID- 29211254 TI - [Mental health in the populational field: the utopia of social psychiatry in low income countries]. PMID- 29211255 TI - Severe functional difficulties and disabilities in children and adolescents and the Sustainable Development Goals. AB - OBJECTIVE: To report prevalence of severe child functional difficulties and disability (CFD) in a nationally representative sample of 2 to 17 year-old children in Mexico and describe the inequities faced by children with CFD in relation to a set of Sustainable Development Goals (SDG)-related outcomes. MATERIALS AND METHODS: Using data from the National Survey of Children and Women (ENIM 2015) we estimate prevalence with 95% confidence intervals for the selected indicators. We use chi-square test and confidence intervals inspection to report significant differences between children with and without CFD. RESULTS: 8% of children present at least one CFD. CFD is associated with higher prevalence of underweight and child labor and lower prevalence of adequate early child development. Conclusion. Children with CFD present worst outcomes and require targeted efforts to ensure they meet health and wellbeing targets in the frame of the SDGs. PMID- 29211256 TI - Population profiles associated with severe functioning difficulties and disability among two to four years old children in Mexico. AB - OBJECTIVE: To describe the prevalence and factors associated with severe child functioning difficulties and disability (CFD) among two to four year old children in Mexico, and estimates the probability of presenting CFD based on specific population profiles. MATERIALS AND METHODS: The sample consists of 5 104 children who participated in the National Survey of Children and Women 2015 (ENIM). We used post-estimation exploration by computing predicted values of CFD to interpret the logistic models for discrete combinations of the independent variables. RESULTS: CFD prevalence is 2%, which means at least 130 000 two to four year-old children are at risk of experiencing severely limited participation in an unaccommodating environment. The probability of presenting CFD is dramatically higher in specific sub-groups of the population, in particular, male children of women with low education, who live in the poorest households. CONCLUSIONS: A significant proportion of Mexican children face important challenges due to functioning difficulties and disability. Public policies must be developed to accommodate the needs of these children and provide a proper environment for their development. PMID- 29211257 TI - Population profiles associated with severe functional difficulties and disability among 5-17 years-old children in Mexico. AB - OBJECTIVES: To report the prevalence of severe functional difficulties and disability (SFD) in a nationally representative sample of children ages 5 to 17 in Mexico, to identify factors associated with SFD, and population profiles predictive of SFD. MATERIALS AND METHODS: Using data from the National Survey on Children and Women we estimated prevalence and 95% confidence intervals of SFD and risk factors. We fitted bivariate and multivariate logistic regression models. We then examined which combinations of the sociodemographic factors best predicted SFD. RESULTS: The prevalence of SFD was 11.2%. The most prevalent SFD were on the socioemotional dimension (8.3%). The associated risk factors in the three dimensions were: living in a poor household, being a boy, having a mother with basic education or less, and non-indigenous background or living in an urban area. CONCLUSIONS: Identifying groups of the population at higher risk for SFD provides useful information for targeted intervention implementation. PMID- 29211258 TI - Child labor and severe functioning difficulties and disability in Mexican children and adolescents 5-17 years of age. AB - OBJECTIVE: To describe the characteristics of Mexican children and adolescents 5 17 years with severe functioning difficulties and disability and explore their participation in child labor. MATERIALS AND METHODS: Using data from the National Survey of Boys, Girls and Women in Mexico 2015 we estimated prevalence of functioning difficulties and disability and used logistic regression to explore the association between this condition and child labor. RESULTS: While 11.2% of Mexicans 5-17 years-old has severe functioning difficulties or disability, 13.4% work. The functioning difficulty and disability domains with the highest prevalence are experiencing anxiety (5.4%) and depression (1.5%) daily. Children and adolescents with severe functioning difficulties and disability are 70% more likely to do child labor [OR=1.7, 95%CI:1.2,2.4]. Educational lag doubles the likelihood of doing child labor [OR=2.2, 95%CI:1.5,3.3]. CONCLUSIONS: Guaranteeing educational opportunities and respect for the rights of children with severe functioning difficulties and disability is essential to achieve development of their full potential. PMID- 29211259 TI - Prevalence of functioning difficulties and disability in Mexican adolescent women and their populational characteristics. AB - OBJECTIVE: Report prevalence of functioning difficulties and disabilities among Mexican adolescent women 15-17 years old and identify differences in characteristics of those with and without a functioning difficulty or disability. MATERIALS AND METHODS: Using data from the National Survey of Boys, Girls and Women in Mexico 2015 we estimated prevalence of functioning difficulties and disability and used chi square tests for independence and logistic regression to explore associations between this condition and various characteristics. RESULTS: Of Mexican adolescent women 15-17 years old, 11.1% had a functioning difficulty or disability. The group of domains of functioning difficulty and disability with by far the highest prevalence was socio-emotional and behavioral functioning difficulties or disability with 8.6%. Being employed, rural residence and self reported depression symptoms were associated with having functioning difficulties or disability. CONCLUSIONS: This survey constitutes an important initial step in collecting data on functioning difficulty and disability in Mexico although larger samples should be studied. PMID- 29211260 TI - Health profiles in people with intellectual developmental disorders. AB - OBJECTIVE: To better understand the health profiles of people with intellectual disability (ID), focusing on the variables that are associated with a poorer health status. MATERIALS AND METHODS: Data were collected from the Survey on Disability, Personal Autonomy and Dependency (EDAD 2008) of the Spanish National Statistics Institute (INE). The health data of 2840 subjects with IDD were analyzed in order to verify the impact of different variables on their health profiles. RESULTS: People with severe and profound levels of IDD presented a higher number of medical diagnoses. At residence centers there was a larger proportion of individuals with a higher prevalence of chronic diseases and more severe conditions; age also was an important factor. CONCLUSION: The health profiles of individuals with IDD differ depending on the severity level of their IDD and their degree of institutionalization. Further research is needed to provide better health care for people with IDD. PMID- 29211261 TI - [Hospital admissions and morbidity in people with intellectual developmental disorders]. AB - OBJECTIVE: People with intellectual developmental disorders (IDD) have worse health statuses in comparison with general population. The objective of this paper is to compare access and hospital morbimortality in people with IDD and general population. MATERIAL AND METHODS: We conducted a retrospective cross sectional analytical study and analyzed data on admissions and discharges between IDD patients and the rest of them, in Ciudad Real, Espana. RESULTS: Out of 51 325 hospital admissions, 441 (0.9%) belonged to the group of persons with IDD. The IDD group had fewer programmed hospitalization than the general population and fewer surgical interventions. They presented more admissions for mental disorders and respiratory system diseases. CONCLUSIONS: The data presented confirm TDI population have different patterns of disease. Furthermore, this study reveal potential difficulties in access to health care in this population. PMID- 29211262 TI - Body mass index and waist circumference of Latin American adult athletes with intellectual disability. AB - OBJECTIVES: To examine both body mass index (BMI) status and waist circunference (WC) in a large international sample of adult Special Olympics participants from Latin America. It also explored the association of age and sex with obesity in this population. MATERIALS AND METHODS: BMI and WC records from a total of 4174 (2683 male and 1491 female) participant records from the Special Olympics International Health Promotion database were examined. RESULTS: The prevalence of overweight and obesity was quite high (i.e. > 40%), but generally lower than studies involving adults with intellectual disabilities from Europe and the USA. Chi-square analyses revealed that both increasing age and being female significantly predicted levels of overweight, obesity, and WC. CONCLUSIONS: These results suggest that efforts need to be made to prevent and reduce rates of overweight and obesity among Latin American Special Olympics participants, particularly women. PMID- 29211263 TI - Metabolic screening and metabolomics analysis in the Intellectual Developmental Disorders Mexico Study. AB - OBJECTIVE: Inborn errors of metabolism (IEM) are genetic conditions that are sometimes associated with intellectual developmental disorders (IDD). The aim of this study is to contribute to the metabolic characterization of IDD of unknown etiology in Mexico. MATERIALS AND METHODS: Metabolic screening using tandem mass spectrometry and fluorometry will be performed to rule out IEM. In addition, target metabolomic analysis will be done to characterize the metabolomic profile of patients with IDD. CONCLUSION: Identification of new metabolomic profiles associated with IDD of unknown etiology and comorbidities will contribute to the development of novel diagnostic and therapeutic schemes for the prevention and treatment of IDD in Mexico. PMID- 29211264 TI - Disability in Mexico: a comparative analysis between descriptive models and historical periods using a timeline. AB - Some interpretations frequently argue that three Disability Models (DM) (Charity, Medical/Rehabilitation, and Social) correspond to historical periods in terms of chronological succession. These views permeate a priori within major official documents on the subject in Mexico. This paper intends to test whether this association is plausible by applying a timeline method. A document search was made with inclusion and exclusion criteria in databases to select representative studies with which to depict milestones in the timelines for each period. The following is demonstrated: 1) models should be considered as categories of analysis and not as historical periods, in that the prevalence of elements of the three models is present to date, and 2) the association between disability models and historical periods results in teleological interpretations of the history of disability in Mexico. PMID- 29211265 TI - Interventions to promote physical activity for youth with intellectual disabilities. AB - OBJECTIVE: To describe interventions designed to promote physical activity for youth with intellectual disabilities. MATERIALS AND METHODS: A systematic review of nine databases until January 31, 2015 identified 213 citations. The inclusion criteria were: a) the study sample consisted of youth with intellectual disabilities, b) the study implemented an intervention to initiate, increase, or maintain physical activity, and c) quantitative or qualitative data were used to report the effectiveness of the intervention. Eleven articles from the 213 citations met this criterion. RESULTS: Nine studies reported significant increases in physical activity behavior. CONCLUSIONS: Conclusions cannot be made regarding intervention components that impacted outcome variables, if the observed effects were specifically due to the intervention or if interventions could be maintained long-term. To advance the knowledge base in this area, a concerted effort should be made to increase rigor in study conceptualization and research design. PMID- 29211266 TI - Interventions to promote physical activity for adults with intellectual disabilities. AB - OBJECTIVE: To describe interventions designed to promote physical activity for adults with intellectual disabilities and the effects on overall physical activity levels and on health outcomes. MATERIALS AND METHODS: A systematic review of eight databases until January 31, 2015 identified 383 citations. The inclusion criteria were: a) the study sample consisted of adults with intellectual disabilities, b) the study implemented an intervention to initiate, increase, or maintain physical activity, and c) quantitative or qualitative data were used to report the effectiveness of the intervention. Six articles from the 383 citations met this criterion. RESULTS: Three studies resulted in significant increases in physical activity behaviour; however well-controlled trials designed to improve weight status by increasing physical activity did not produce significant effects. CONCLUSION: Overall, the results indicate that interventions to increase physical activity should simultaneously target the individual with intellectual disability as well as their proximal environment over a sustained period of time. PMID- 29211267 TI - [New considerations on the health of the persons with intellectual developmental disorders]. AB - Recent literature indicates that people with Disorders of Intellectual Development (DID) experience health disparities in the pathologies that they present, and a worst access to health care. However, current evidence-based knowledge is still sparse outside the Anglo-Saxon countries. The POMONA-I and POMONA-II European projects aimed to collect information on the health status of people with DID in Europe. The POMONA-ESP project in Spain is meant to collect health information in a wide and representative sample of persons with DID. Also, there are studies that claim for the need of specialized services for people with DID at the public health system. There are also studies about the current state of the education and training about DID for students within the health sector. In this paper we review the latest evidences about the health of the persons with DID and we present the main research activities and care initiatives about this issue. PMID- 29211268 TI - Consent to care of persons with intellectual disability in Quebec: from vulnerability to capability. AB - Persons with an intellectual disability (ID) who interact with the Quebec health and social services system are faced with major decisions regarding the care they are offered. As consent to care derives from the fundamental right of all persons to personal inviolability and to autonomous decision making, they therefore have the right to accept or refuse any and all health and psychosocial care proposed. However, as free and informed consent to care must be given by an able person, the situation becomes somewhat more complicated whereas persons with ID are concerned. This article presents reflections on the challenges and issues relative to these persons' consent to health and psychosocial care. PMID- 29211269 TI - [Processes of attention to children and adolescents under 20 years in La Castaneda: evolution of the concept of childhood in psychiatry]. AB - Today, there is evidence that shows that children and adolescents can experience developmental problems and psychiatric disorders. This was possible because of two main reasons, the evolution of the concept of infancy and the progress made in medical and psychiatric diagnostic classification. This manuscript offers a glance to early psychiatric attention in Mexico, particularly the care processes provided to 36 children and adolescents under twenty, admitted in the mental asylum La Castaneda, during the first half of the XX century. Admission causes, length of stay, diagnosis, treatment and discharge motives, are some of the aspects described in this study. Finally, it also reflects about the challenge it is for a child psychiatric hospital nowadays, with such a history, to become an innovative institution able to claim a place in the medical field in favor of those minors that can barely defend themselves. PMID- 29211270 TI - [Children's Psychiatric Hospital Dr. Juan N. Navarro: 50 years of attention to the mental health of children and adolescents in Mexico]. AB - The activities concerning mental health care of psychiatric disorders during more than 50 years of service (1966-2016) at the Children's Psychiatric Hospital "Dr. Juan N. Navarro" (HPI), as well as the progressive development of teaching and research, have contributed to its positioning as a leading institution in medical care of high specialization. This has been possible through the training of human resources that focus the quality of care to the children and their families. The hospital has progressed towards diagnostic and therapeutic care of outpatients through the creation of specialized clinics (emotions, behavior, development, adolescence, among others) and the development of more actualized and integral therapeutic programs (behavioral psychotherapy, cognitive behavioral, psychodynamic; individual, group, family, etc.). In the field of education, the hospital has been the most important institution in the training of child psychiatrists in Mexico and its recognition as a research interdisciplinary center has grown. PMID- 29211271 TI - Measuring child functioning: the Unicef/ Washington Group Module. PMID- 29211272 TI - [Intermittent hemodialysis]. PMID- 29211273 TI - [Type 2 diabetes mellitus and primary knee osteoarthritis]. PMID- 29211274 TI - [Fragility is not associated with a low frequency of vaccination in older adults]. PMID- 29211275 TI - The impact of Popular Health Insurance "Seguro Popular" on diabetes mortality in Mexico, 1999-2014. PMID- 29211276 TI - [Deafhood, a new way of thinking and living deafness]. PMID- 29211277 TI - [Reproductive and sexual health as a reflection of inequity in indigenous women from the mountain region of Guerrero, Mexico]. PMID- 29211278 TI - JAOS under a continuous publication workflow in 2018. PMID- 29211279 TI - Effects of chlorhexidine preprocedural rinse on bacteremia in periodontal patients: a randomized clinical trial. AB - OBJECTIVE: Single dose of systemic antibiotics and short-term use of mouthwashes reduce bacteremia. However, the effects of a single dose of preprocedural rinse are still controversial. This study evaluated, in periodontally diseased patients, the effects of a pre-procedural mouth rinse on induced bacteremia. MATERIAL AND METHODS: Systemically healthy individuals with gingivitis (n=27) or periodontitis (n = 27) were randomly allocated through a sealed envelope system to: 0.12% chlorhexidine pre-procedural rinse (13 gingivitis and 13 periodontitis patients) or no rinse before dental scaling (14 gingivitis and 15 periodontitis patients). Periodontal probing depth, clinical attachment level, plaque, and gingival indices were measured and subgingival samples were collected. Blood samples were collected before dental scaling, 2 and 6 minutes after scaling. Total bacterial load and levels of P. gingivalis were determined in oral and blood samples by real-time polymerase chain reaction, while aerobic and anaerobic counts were determined by culture in blood samples. The primary outcome was the antimicrobial effect of the pre-procedural rinse. Data was compared by Mann Whitney and Signal tests (p<0.05). RESULTS: In all sampling times, polymerase chain reaction revealed higher blood bacterial levels than culture (p<0.0001), while gingivitis patients presented lower bacterial levels in blood than periodontitis patients (p<0.0001). Individuals who experienced bacteremia showed worse mean clinical attachment level (3.4 mm vs. 1.1 mm) and more subgingival bacteria (p<0.005). The pre-procedural rinse did not reduce induced bacteremia. CONCLUSIONS: Bacteremia was influenced by periodontal parameters. In periodontally diseased patients, pre-procedural rinsing showed a discrete effect on bacteremia control. PMID- 29211280 TI - In vitro effect of amorphous calcium phosphate paste applied for extended periods of time on enamel remineralization. AB - OBJECTIVES: Dental applications based on the unique characteristics of amorphous calcium phosphate stabilized by casein phosphopeptides (CPP-ACP) have been proposed, as well as the improvement of its properties. The objective of this study was to determine the ability of topically applied CPP-ACP from a commercial product to remineralize subsurface lesions when applied for extended periods of time (3 h and 8 h). MATERIAL AND METHODS: Artificially induced carious lesions were produced in 50 bovine enamel blocks previously selected by surface hardness. After treatments with gel without F and CPP-ACP applied for 1 minute (Placebo); 2% NaF neutral gel applied for 1 minute (Fluoride 1 min); CPP-ACP applied for 3 min (ACP 3 min); and CPP-ACP applied for 3 h (ACP 3 h) and for 8 h (ACP 8 h), the enamel blocks were submitted to the remineralization pH-cycling. Surface hardness and synchrotron micro-tomography were used to determine the percentage of surface hardness recovery (%SHR) and to calculate mineral concentration (gHAp.cm-3), respectively. The data were submitted to ANOVA followed by the Student-Newman Keuls test (p<0.05). RESULTS: Fluoride gel presented higher %SHR followed by ACP 3 min (p<0.001). No difference (p = 0.148) was found for Placebo, ACP 3 h and ACP 8 h groups for %SHR. Fluoride gel showed greater mineral concentration (p<0.001) when compared with the other groups. ACP 3 min demonstrated a significant difference (p<0.001) from ACP 3 h and ACP 8 h. The ACP 3 h and 8 h presented a subsurface lesion with development of laminations in all blocks. CONCLUSION: In this in vitro study the use of CPP-ACP for extended periods of time did not produce an additive effect in the remineralization process. PMID- 29211281 TI - Effect of fluoride dentifrice and casein phosphopeptide-amorphous calcium phosphate cream with and without fluoride in preventing enamel demineralization in a pH cyclic study. AB - OBJECTIVE: Casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) complexes are anticariogenic and capable of remineralizing the early stages of enamel lesions. The use of fluoride prevents dental decay and the association of CPP-ACP with fluoride can increase remineralization. To evaluate the effect of CPP-ACP and CPP-ACPF creams associated with a fluoride dentifrice to prevent enamel demineralization in a pH cyclic model. MATERIAL AND METHODS: Previously selected by surface microhardness (SH) analysis, human enamel blocks (n = 56) were submitted to daily treatment with dentifrice in a pH-cycling model. The enamel blocks were divided into four groups; G1: CrestTM Cavity Protection - Procter & Gamble (1,100 ppmF of NaF); G2: CrestTM +MI Paste (MP) - RecaldentTM GC Corporation Tokyo, Japan); G3: CrestTM + MI Paste Plus (MPP) - RecaldentTM 900 ppm as NaF, GC Corporation Tokyo, Japan), and G4: control, saliva. Specimens were soaked alternatively in a demineralizing solution and in artificial saliva for 5 d. The fluoride dentifrice, with proportion of 1:3 (w/w), was applied three times for 60 s after the remineralization period. The undiluted MP and MPP creams were applied for 3 m/d. After cycling, SH was re-measured and cross section microhardness measurements were taken. RESULTS: The SH values observed for the groups G3 (257+/-70), G1 (205+/-70), and G2 (208+/-84) differed from the G4 group (98+/-110) (one-way ANOVA and Tukey's post hoc test). There were no differences between the groups G1xG2, G2xG3, and G1xG3 for demineralization inhibition. The percentage of volume mineral showed that, when applied with fluoride dentifrice, MPP was the most effective in preventing enamel demineralization at 50 u from the outer enamel surface (Kruskal-Wallis and Mann Whitney p<0.05). CONCLUSION: Fluoride dentifrice associated with CPP-ACPF inhibited subsurface enamel demineralization. PMID- 29211282 TI - Apical Negative Pressure irrigation presents tissue compatibility in immature teeth. AB - AIM: To compare the apical negative pressure irrigation (ANP) with conventional irrigation in the teeth of immature dogs with apical periodontitis. METHODS: Fifty-two immature pre-molar root canals were randomly assigned into 4 groups: ANP (n=15); conventional irrigation (n=17); healthy teeth (control) (n = 10); and teeth with untreated apical periodontitis (control) (n=10). After induction of apical periodontitis, teeth were instrumented using EndoVac(r) (apical negative pressure irrigation) or conventional irrigation. The animals were euthanized after 90 days. The sections were stained by HE and analyzed under conventional and fluorescence microscopy. TRAP histoenzymology was also performed. Statistical analyses were performed with the significance level set at 5%. RESULTS: There was difference in the histopathological parameters between ANP and conventional groups (p<0.05). The ANP group showed a predominance of low magnitude inflammatory infiltrate, a smaller periodontal ligament, and lower mineralized tissue resorption. There were no differences in the periapical lesion extensions between the ANP and conventional groups (p>0.05). However, a lower number of osteoclasts was observed in the ANP group (p<0.05). CONCLUSION: The EndoVac(r) irrigation system presented better biological results and more advanced repair process in immature teeth with apical periodontitis than the conventional irrigation system, confirming the hypothesis. PMID- 29211283 TI - Systemic effect of mineral aggregate-based cements: histopathological analysis in rats. AB - OBJECTIVE: Several studies reported the local tissue reaction caused by mineral aggregate-based cements. However, few studies have investigated the systemic effects promoted by these cements on liver and kidney when directly applied to connective tissue. The purpose of this in vivo study was to investigate the systemic effect of mineral aggregate-based cements on the livers and kidneys of rats. MATERIAL AND METHODS: Samples of Mineral Trioxide Aggregate (MTA) and a calcium aluminate-based cement (EndoBinder) containing different radiopacifiers were implanted into the dorsum of 40 rats. After 7 and 30 d, samples of subcutaneous, liver and kidney tissues were submitted to histopathological analysis. A score (0-3) was used to grade the inflammatory reaction. Blood samples were collected to evaluate changes in hepatic and renal functions of animals. RESULTS: The moderate inflammatory reaction (2) observed for 7 d in the subcutaneous tissue decreased with time for all cements. The thickness of inflammatory capsules also presented a significant decrease with time (P<.05). Systemically, all cements caused adverse inflammatory reactions in the liver and kidney, being more evident for MTA, persisting until the end of the analysis. Liver functions increased significantly for MTA during 30 d (P<.05). CONCLUSION: The different cements induced to a locally limited inflammatory reaction. However, from the systemic point of view, the cements promoted significant inflammatory reactions in the liver and kidney. For MTA, the reactions were more accentuated. PMID- 29211284 TI - Effects of triethylene glycol dimethacrylate (TEGDMA) on the odontoclastic differentiation ability of human dental pulp cells. AB - OBJECTIVES: The primary purpose of this study was to examine the effects of triethylene glycol dimethacrylate (TEGDMA) on odontoclastic differentiation in the dental pulp tissue. MATERIAL AND METHODS: The effects of different TEGDMA dosages on the odontoclastic differentiation capability of dental pulp cells were analyzed in vitro using the following methodologies: i) flow cytometry and tartrate-resistant acid phosphatase (TRAP) staining; ii) apoptotic effects using Annexin V staining; iii) mRNA expression of osteoprotegerin (OPG) and receptor activator of nuclear factor (NF)-kB ligand (RANKL) genes by quantitative Real time PCR (qRT-PCR); and iv) OPG and RANKL protein expression by enzyme-linked immunosorbent assay (ELISA). RESULTS: TEGDMA caused relatively less odontoclastic differentiation in comparison with the control group; however, odontoclastic differentiation augmented with increasing doses of TEGDMA (p<0.05). The mRNA and protein expression of OPG was lower in TEGDMA treated pulp cells than in the control group (p<0.05). While the mRNA expression of RANKL remained unchanged compared to the control group (p>0.05), its protein expression was higher than the control group (p<0.05). In addition, TEGDMA increased the apoptosis of dental pulp cells dose dependently. CONCLUSIONS: TEGDMA reduced the odontoclastic differentiation ability of human dental pulp cells. However, odontoclastic differentiation ratios increased proportionally with the increasing dose of TEGDMA. PMID- 29211285 TI - Intradentinal antimicrobial action and filling quality promoted by ultrasonic agitation of epoxy resin-based sealer in endodontic obturation. AB - MATERIAL AND METHODS: The aim of this study was evaluate the influence of ultrasonic activation (UA) of AH Plus to improve canal and isthmus filing, and analyse the antimicrobial effect against Enterococcus faecalis within dentinal tubules. Thirty mesial roots of mandibular first molars were selected and divided into 2 groups (n = 15): with and without UA of the sealer. Then the root canals were filled by using the single cone technique, and the specimens were sectioned at 2, 4 and 6 mm from the apex for stereomicroscope and confocal laser scanner microscopy (CLSM) analysis. In addition, 30 bovine incisors were contaminated with Enterococcus faecalis and divided into 3 groups (n = 10). The specimens were obturated by using the single cone technique with (G1) and without (G2) UA of the sealer and G3 as the control group. All were sectioned into 6 mm-long cylinders and stained with LIVE/DEAD to assess bacterial viability by CLSM. RESULTS: The UA of the sealer significantly reduced the presence of unfilled areas in the canal and isthmus area in all sections (p<0.05), and there was a significant increase in sealer penetration in both canals and isthmuses (p<0.05). As regards gaps, a significant reduction was found at 2 and 6 mm in the isthmus area of the UA group (p<0.05). Moreover, UA of the sealer significantly reduced bacterial viability in the superficial dentine when compared with the other groups (p<0.05). CONCLUSION: Ultrasonic activation of the AH Plus sealer promoted a better quality of root canal filling and increased the intratubular penetration of sealer, especially in the isthmus area. Additionally, ultrasonic activation of the sealer increased the intradentinal antimicrobial action against Enterococcus faecalis, mainly in the superficial dentine of the root canal. PMID- 29211286 TI - Association of single nucleotide polymorphisms in AXIN2, BMP4, and IRF6 with Non Syndromic Cleft Lip with or without Cleft Palate in a sample of the southeast Iranian population. AB - OBJECTIVES: Non-syndromic cleft lip with or without palate (NSCL/P) is a common congenital malformation worldwide, with complex etiology. It has been proposed that interaction of genes and environmental factors play a role in the predisposition to this disease. The aim of this study was to examine the association between AXIN2 (axis inhibition protein 2) rs7224837, BMP4 (bone morphogenetic protein 4) rs17563, and IRF6 (interferon regulatory factor 6) rs861019 and 2235371 polymorphisms and NSCL/P in an Iranian population. MATERIAL AND METHODS: This case-control study was carried out on 132 unrelated NSCL/P patients and 156 healthy subjects. The variants were genotyped using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). RESULTS: The findings suggest that BMP4 rs17563 polymorphism significantly decreased the risk of NSCL/P in codominant (OR=0.36, 95%CI=0.17-0.79, p=0.012, CT vs CC and OR=0.11, 95%CI=0.01-0.88, p = 0.019, TT vs CC), dominant (OR=0.30, 95%CI=0.15-0.62, p = 0.0007, CT+TT vs CC), recessive (OR=0.12, 95%CI=0.02-0.99, p = 0.023, TT vs CC+CT), overdominant (OR=0.39, 95%CI = 0.18-0.84, p=0.021, CT vs CC+TT), and allele (OR=0.28, 95%CI=0.15-0.55, p<0.0001, T vs C) inheritance models. Our findings did not support an association between AXIN2 rs7224837 and IRF6 rs861019 polymorphism and risk/protection of NSCL/P. The IRF6 2235371 variant was not polymorphic in our population. CONCLUSION: The results indicate that the BMP4 rs17563 variant is likely to confer a protective effect against the occurrence of NSCL/P in a sample of the southeast Iranian population. PMID- 29211287 TI - Comparative study between laser and conventional techniques for class V cavity preparation in gamma-irradiated teeth (in vitro study). AB - OBJECTIVE: The purpose of this study was to compare laser with conventional techniques in class V cavity preparation in gamma-irradiated teeth. METHODS: Forty extracted human teeth with no carious lesions were used for this study and were divided into two main groups: Group I (n = 20) was not subjected to gamma radiation (control) and Group II (n=20) was subjected to gamma radiation of 60 Gray. Standard class V preparation was performed in buccal and lingual sides of each tooth in both groups. Buccal surfaces were prepared by the Er,Cr:YSGG laser (Waterlase iPlus) 2780 nm, using the gold handpiece with MZ10 Tip in non-contact and the "H" mode, following parameters of cavity preparation - power 6 W, frequency 50 Hz, 90% water and 70% air, then shifting to surface treatment laser parameters - power 4.5 W, frequency 50 Hz, 80% water and 50% air. Lingual surfaces were prepared by the conventional high-speed turbine using round diamond bur. Teeth were then sectioned mesio-distally, resulting in 80 specimens: 40 of which were buccal laser-treated (20 control and 20 gamma-irradiated specimens) and 40 were lingual conventional high-speed bur specimens (20 control and 20 gamma-irradiated specimens). RESULTS: Microleakage analysis revealed higher scores in both gamma groups compared with control groups. Chi-square test revealed no significant difference between both control groups and gamma groups (p=1, 0.819, respectively). A significant difference was revealed between all 4 groups (p=0.00018). CONCLUSION: Both laser and conventional high-speed turbine bur show good bond strength in control (non-gamma) group, while microleakage is evident in gamma group, indicating that gamma radiation had a dramatic negative effect on the bond strength in both laser and bur-treated teeth. PMID- 29211288 TI - Pre-sintered Y-TZP sandblasting: effect on surface roughness, phase transformation, and Y-TZP/veneer bond strength. AB - OBJECTIVES.: Sandblasting is a common method to try to improve the Y-TZP/veneer bond strength of dental prostheses, however, it may put stress on zirconia surfaces and could accelerate the t->m phase transformation. Y-TZP sandblasting before sintering could be an alternative to improve surface roughness and bonding strength of veneering ceramic. The aim of this study was to analyze the effect of Y-TZP pre-sintering sandblasting on surface roughness, phase transformation, and the Y-TZP/veneer shear bond strength. MATERIAL AND METHODS.: The Y-TZP specimen surface underwent sandblasting with aluminum oxide (50 MUm) pre-sintering (Z-PRE) and post-sintering (Z-POS). Z-CTR was not subjected to surface treatment. After ceramic veneer application, the specimens were subjected to shear bond testing. Surface roughness was analyzed by confocal microscopy. Y-TZP monoclinic and tetragonal phases were evaluated by micro-Raman spectroscopy. Shear bond strength and surface roughness data were analyzed by One-way ANOVA and Tukey tests (alpha=0.05). Differences in the wave numbers and the broadening bands of the Raman spectra were compared among groups. RESULTS.: Z-POS (9.73+/-5.36 MPa) and Z PRE (7.94+/-2.52 MPa) showed the highest bond strength, significantly higher than that of Z-CTR (5.54+/-2.14 MPa). The Ra of Z-PRE (1.59+/-0.23 um) was much greater and significantly different from that of Z-CTR (0.29+/-0.05 um) and Z-POS (0.77+/-0.13 um). All groups showed bands typical of the tetragonal (T) and monoclinic (M) phases. Y-TZP sandblasting before sintering resulted in rougher surfaces but did not increase the shear bond strength compared to post-sintering and increased surface defects. CONCLUSIONS.: Surface treatment with Al3O2, regardless of the moment and application, improves the results of Y-TZP/veneer bonding and is not a specific cause of t->m transformation. PMID- 29211289 TI - Comparison of automatic and visual methods used for image segmentation in Endodontics: a microCT study. AB - OBJECTIVE: To calculate root canal volume and surface area in microCT images, an image segmentation by selecting threshold values is required, which can be determined by visual or automatic methods. Visual determination is influenced by the operator's visual acuity, while the automatic method is done entirely by computer algorithms. To compare between visual and automatic segmentation, and to determine the influence of the operator's visual acuity on the reproducibility of root canal volume and area measurements. MATERIAL AND METHODS: Images from 31 extracted human anterior teeth were scanned with a MUCT scanner. Three experienced examiners performed visual image segmentation, and threshold values were recorded. Automatic segmentation was done using the "Automatic Threshold Tool" available in the dedicated software provided by the scanner's manufacturer. Volume and area measurements were performed using the threshold values determined both visually and automatically. RESULTS: The paired Student's t-test showed no significant difference between visual and automatic segmentation methods regarding root canal volume measurements (p=0.93) and root canal surface (p=0.79). CONCLUSION: Although visual and automatic segmentation methods can be used to determine the threshold and calculate root canal volume and surface, the automatic method may be the most suitable for ensuring the reproducibility of threshold determination. PMID- 29211290 TI - Physical properties and biological effects of mineral trioxide aggregate mixed with methylcellulose and calcium chloride. AB - OBJECTIVES: Methylcellulose (MC) is a chemical compound derived from cellulose. MTA mixed with MC reduces setting time and increases plasticity. This study assessed the influence of MC as an anti-washout ingredient and CaCl2 as a setting time accelerator on the physical and biological properties of MTA. MATERIAL AND METHODS: Test materials were divided into 3 groups; Group 1(control): distilled water; Group 2: 1% MC/CaCl2; Group 3: 2% MC/CaCl2. Compressive strength, pH, flowability and cell viability were tested. The gene expression of bone sialoprotein (BSP) was detected by RT-PCR and real- time PCR. The expression of alkaline phosphatase (ALP) and mineralization behavior were evaluated using an ALP staining and an alizarin red staining. RESULTS: Compressive strength, pH, and cell viability of MTA mixed with MC/CaCl2 were not significantly different compared to the control group. The flowability of MTA with MC/CaCI2 has decreased significantly when compared to the control (p<.05). The mRNA level of BSP has increased significantly in MTA with MC/CaCl2 compared to the control (p<.05). This study revealed higher expression of ALP and mineralization in cells exposed to MTA mixed with water and MTA mixed with MC/CaCl2 compared to the control (p<.05). CONCLUSIONS: MC decreased the flowability of MTA and did not interrupt the physical and biological effect of MTA. It suggests that these cements may be useful as a root-end filling material. PMID- 29211291 TI - Topical application of bFGF on acid-conditioned and non-conditioned dentin: effect on cell proliferation and gene expression in cells relevant for periodontal regeneration. AB - MATERIAL AND METHODS: Periodontal regeneration is still a challenge in terms of predictability and magnitude of effect. In this study we assess the biological effects of combining chemical root conditioning and biological mediators on three relevant cell types for periodontal regeneration. Bovine dentin slices were conditioned with 25% citric acid followed by topical application of basic fibroblast growth factor (bFGF, 10 and 50 ng). We used ELISA to assess the dynamics of bFGF release from the dentin surface and RT-qPCR to study the expression of Runx2, Col1a1, Bglap and fibronectin by periodontal ligament (PDL) fibroblasts, cementoblasts and bone marrow stromal cells (BMSC) grown onto these dentin slices. We also assessed the effects of topical application of bFGF on cell proliferation by quantification of genomic DNA. RESULTS: Acid conditioning significantly increased the release of bFGF from dentin slices. Overall, bFGF application significantly (p<0.05) increased cell proliferation, except for BMSC grown on non-conditioned dentin slices. Dentin substrate discretely increased expression of Col1a1 in all cell types. Expression of Runx2, Col1a1 and Fn was either unaffected or inhibited by bFGF application in all cell types. We could not detect expression of the target genes on BMSC grown onto conditioned dentin. CONCLUSION: Acid conditioning of dentin improves the release of topically-applied bFGF. Topical application of bFGF had a stimulatory effect on proliferation of PDL fibroblasts, cementoblasts and BMSC, but did not affect expression of Runx2, Col1a1, Bglap and fibronectin by these cells. PMID- 29211292 TI - Influence of curing protocol and ceramic composition on the degree of conversion of resin cement. AB - OBJECTIVE: Due to increasing of aesthetic demand, ceramic crowns are widely used in different situations. However, to obtain long-term prognosis of restorations, a good conversion of resin cement is necessary. To evaluate the degree of conversion (DC) of one light-cure and two dual-cure resin cements under a simulated clinical cementation of ceramic crowns. MATERIAL AND METHODS: Prepared teeth were randomly split according to the ceramic's material, resin cement and curing protocol. The crowns were cemented as per manufacturer's directions and photoactivated either from occlusal suface only for 60 s; or from the buccal, occlusal and lingual surfaces, with an exposure time of 20 s on each aspect. After cementation, the specimens were stored in deionized water at 37 degrees C for 7 days. Specimens were transversally sectioned from occlusal to cervical surfaces and the DC was determined along the cement line with three measurements taken and averaged from the buccal, lingual and approximal aspects using micro Raman spectroscopy (Alpha 300R/WITec(r)). Data were analyzed by 3-way ANOVA and Tukey test at =5%. RESULTS: Statistical analysis showed significant differences among cements, curing protocols and ceramic type (p<0.001). The curing protocol 3x20 resulted in higher DC for all tested conditions; lower DC was observed for Zr ceramic crowns; Duolink resin cement culminated in higher DC regardless ceramic composition and curing protocol. CONCLUSION: The DC of resin cement layers was dependent on the curing protocol and type of ceramic. PMID- 29211293 TI - Oral cancer stem cells - properties and consequences. AB - Research on cancer stem cells (CSCs) has greatly increased in the field of medicine and pathology; however, some conceptual misunderstandings are still present among the public as well as within the general scientific community that is not yet familiar with the subject. The very first problem is the misinterpretation of CSCs as a synonym of their normal counterparts, the well known stem cells (SCs). Particularly in Dentistry, another common mistake is the misinterpretation of oral CSCs as normal tooth-derived SCs. The present review aims to clarify important concepts related to normal SCs and CSCs, as well as discuss the relevance of CSCs to the development, metastasis and therapy resistance of oral squamous cell carcinoma. PMID- 29211294 TI - Single-Cell Analysis Using Hyperspectral Imaging Modalities. AB - Almost a decade ago, hyperspectral imaging (HSI) was employed by the NASA in satellite imaging applications such as remote sensing technology. This technology has since been extensively used in the exploration of minerals, agricultural purposes, water resources, and urban development needs. Due to recent advancements in optical re-construction and imaging, HSI can now be applied down to micro- and nanometer scales possibly allowing for exquisite control and analysis of single cell to complex biological systems. This short review provides a description of the working principle of the HSI technology and how HSI can be used to assist, substitute, and validate traditional imaging technologies. This is followed by a description of the use of HSI for biological analysis and medical diagnostics with emphasis on single-cell analysis using HSI. PMID- 29211296 TI - "Epigenetic" modification as therapy for acute myeloid leukemia. PMID- 29211295 TI - Phase 2 study of treatment selection based on tumor thymidylate synthase expression in previously untreated patients with metastatic colorectal cancer: A trial of the ECOG-ACRIN Cancer Research Group (E4203). AB - BACKGROUND: The authors hypothesized that patients with metastatic colorectal cancer (mCRC) who had tumors with low thymidylate synthase (TS-L) expression would have a higher response rate to combined 5-fluorouracil, leucovorin, and oxaliplatin (FOLFOX) plus bevacizumab (FOLFOX/Bev) than those with high TS (TS-H) expression and that combined irinotecan and oxaliplatin (IROX) plus bevacizumab (IROX/Bev) would be more effective than FOLFOX/Bev in those with TS-H tumors. METHODS: TS protein expression was determined in mCRC tissue. Patients who had TS L tumors received FOLFOX/Bev, and those who had TS-H tumors were randomly assigned to receive either FOLFOX/Bev or IROX/Bev. The primary endpoint was the response rate (complete plus partial responses). RESULTS: In total, 211 of 247 patients (70% TS-H) were registered to the treatment phase. Efficacy analyses included eligible patients who had started treatment (N = 186). The response rates for patients who received IROX/Bev (TS-H), FOLFOX/Bev (TS-H), and FOLFOX/Bev (TS-L) were 33%, 38%, and 49%, respectively (P = nonsignificant). The median progression-free survival (PFS) was 10 months (95% confidence interval [CI], 9-12 months; 10 months in the IROX/Bev TS-H group, 9 months in the FOLFOX/Bev TS-H group, and 13 months in the FOLFOX/Bev TS-L group). The TS-L group had improved PFS compared with the TS-H group that received FOLFOX/Bev (hazard ratio, 1.6; 95% CI, 1.0%-2.4%; P = .04; Cox regression). The median overall survival (OS) was 22 months (95% CI, 20 29 months; 18 months in the IROX/Bev TS-H group, 21 months in the FOLFOX/Bev TS-H group, and 32 months in the TS-L group). OS comparisons for the 2 TS-H arms and for the FOLFOX/Bev TS-H versus TS-L arms were not significantly different. CONCLUSIONS: TS expression was prognostic: Patients with TS-L tumors who received FOLFOX/Bev had a longer PFS than those with TS-H tumors, along with a trend toward longer OS. Patients with TS-H tumors did not benefit more from IROX/Bev than from FOLFOX/Bev. Cancer 2018;124:688-97. (c) 2017 American Cancer Society. PMID- 29211297 TI - Immune checkpoint inhibitors in advanced non-small cell lung cancer. AB - The emergence of immune checkpoint inhibitors for the treatment of cancer has led to major changes to the therapeutic landscape of lung cancer. Improvements in overall survival relative to standard chemotherapy have been observed in the first-line and second-line therapy settings for patients with advanced non-small cell lung cancer (NSCLC) who are treated with immune checkpoint inhibitors. Consequently, every patient with advanced-stage NSCLC is now a candidate for immune checkpoint inhibitor therapy. However, it is clear that the benefit from therapy is not universal, and identification of biomarkers to select therapy has assumed importance. In addition to programmed cell death receptor ligand 1 expression, both tissue-based and blood-based markers are under evaluation to select patients. In an era of increasing costs of care and potential for toxicities related to immune checkpoint inhibition, proper patient selection is critical to the optimal use of this new class of agents. In addition, development of novel combination approaches has also emerged as an important way to improve the efficacy of immune checkpoint inhibition. Studies in earlier stages of NSCLC are already underway with the hope of improving the cure rate. In this article, the authors review the current landscape of immune checkpoint inhibitors in the treatment of advanced NSCLC. Cancer 2018;124:248-61. (c) 2017 American Cancer Society. PMID- 29211298 TI - Prognostic relevance of early radiologic response to induction chemotherapy in pediatric rhabdomyosarcoma: A report from the International Society of Pediatric Oncology Malignant Mesenchymal Tumor 95 study. AB - BACKGROUND: Early response to induction chemotherapy is used in current European guidelines to evaluate the efficacy of chemotherapy and subsequently to adapt treatment in pediatric patients with rhabdomyosarcoma (RMS). However, existing literature on the prognostic value of early radiologic response on survival is contradictory; here the prognostic value is analyzed with data from the International Society of Pediatric Oncology (SIOP) Malignant Mesenchymal Tumor 95 (MMT-95) study. METHODS: This study examined 432 Intergroup Rhabdomyosarcoma Study Grouping III (macroscopic residue) patients enrolled in the SIOP MMT-95 study with a response assessment after 3 courses of chemotherapy (a 2-dimensional assessment). Patients with progressive disease (PD) after 3 courses of chemotherapy were excluded (n = 7). Failure-free survival (FFS) and overall survival (OS), calculated with the Kaplan-Meier method, were compared for 3 groups (complete response [CR]/partial response [PR], objective response [OR], and no response [NR]). The prognostic impact of early response was assessed through the calculation of Cox proportional hazards. RESULTS: After 3 courses of chemotherapy, 85.2% of the patients had CR/PR, 8.6% had OR, and 6.3% had NR. For all patients, the 5-year FFS and OS rates were 60% (95% confidence interval [CI], 56%-65%) and 74% (95% CI, 70%-78%), respectively. However, a Cox proportional hazards regression analysis revealed no significant difference in FFS or OS between the response groups. The adjusted hazard ratios for an OR and NR were 1.09 (95% CI, 0.63-1.88) and 0.81 (95% CI, 0.39-1.67), respectively, for FFS and 0.91 (95% CI, 0.47-1.76) and 1.27 (95% CI, 0.61-2.64), respectively, for OS. CONCLUSIONS: No evidence was found for the idea that early radiologic response to chemotherapy is prognostic for survival for patients with RMS. Treatment adaptation based on early response (except for patients with PD) should, therefore, no longer be incorporated into future studies. Cancer 2018;124:1016 24. (c) 2017 American Cancer Society. PMID- 29211300 TI - Fluorine-Directed Glycosylation Enables the Stereocontrolled Synthesis of Selective SGLT2 Inhibitors for Type II Diabetes. AB - Inhibition of the sodium-glucose co-transporters (SGLT1 and SGLT2) is a validated strategy to address the increasing prevalence of type II diabetes mellitus. However, achieving selective inhibition of human SGLT1 or SGLT2 remains challenging. Orally available small molecule drugs based on the d-glucose core of the natural product Gliflozin have proven to be clinically effective in this regard, effectively impeding glucose reabsorption. Herein, we disclose the influence of molecular editing with fluorine at the C2 position of the pyranose ring of Phlorizin analogues Remogliflozin Etabonate and Dapagliflozin (Farxiga(r) ) to concurrently direct beta-selective glycosylation, as is required for biological efficacy, and enhance aspects of the physicochemical profile. Given the abundance of glycosylated pharmaceuticals in diabetes therapy that contain a beta-configured d-glucose nucleus, it is envisaged that this strategy may prove to be expansive. PMID- 29211299 TI - Endoplasmic reticulum stress induced LOX-1+ CD15+ polymorphonuclear myeloid derived suppressor cells in hepatocellular carcinoma. AB - A recent study indicated that Lectin-type oxidized LDL receptor-1 (LOX-1) was a distinct surface marker for human polymorphisms myeloid-derived suppressor cells (PMN-MDSC). The present study was aimed to investigate the existence LOX-1 PMN MDSC in hepatocellular carcinoma (HCC) patients. One hundred and twenty-seven HCC patients, 10 patients with mild active chronic hepatitis B, 10 liver cirrhosis due to hepatitis B, 10 liver dysplastic node with hepatitis B and 50 health control were included. LOX-1+ CD15+ PMN-MDSC were significantly elevated in HCC patients compared with healthy control and patients with benign diseases. LOX-1+ CD15+ PMN-MDSC in circulation were positively associated with those in HCC tissues. LOX-1+ CD15+ PMN-MDSCs significantly reduced proliferation and IFN gamma production of T cells with a dosage dependent manner with LOX-1- CD15+ PMNs reached negative results. The suppression on T cell proliferation and IFN gamma production was reversed by ROS inhibitor and Arginase inhibitor. ROS level and activity of arginase of LOX-1 + CD15+ PMN were higher in LOX-1+ CD15+ PMN MDSCs than LOX-1- CD15+ PMNs, as well as the expression of the NADPH oxidase NOX2 and arginase I. RNA sequence revealed that LOX-1+ CD15+ PMN-MDSCs displayed significantly higher expression of spliced X-box -binding protein 1 (sXBP1), an endoplasmic reticulum (ER) stress marker. ER stress inducer induced LOX-1 expression and suppressive function for CD15+ PMN from health donor. For HCC patients, LOX-1+ CD15+ PMN-MDSCs were positively related to overall survival. Above all, LOX-1+ CD15+ PMN-MDSC were elevated in HCC patients and suppressed T cell proliferation through ROS/Arg I pathway induced by ER stress. They presented positive association with the prognosis of HCC patients. PMID- 29211301 TI - Outcome in patients with left common pulmonary vein after cryoablation with second-generation cryoballoon. AB - BACKGROUND: Pulmonary vein isolation (PVI) has become a widely accepted therapy in patients suffering from symptomatic atrial fibrillation (AF). HYPOTHESIS: AF free survival differs in patients with left common pulmonary vein (LCPV) after PVI with second-generation cryoballoon. METHODS: We included patients scheduled for first PVI for paroxysmal or persistent AF. Symptomatic and/or documented arrhythmia episodes (>30 seconds) were defined as AF recurrence, excluding a 3 month blanking period. RESULTS: We observed a LCPV in 37 of 270 consecutive patients (13.7%). Analyses were performed in a 1:1 propensity score matched cohort of 68 patients. During a median follow-up of 77.0 weeks, 37 patients (54.4%) had recurrent AF. The prevalence of LCPV was numerically higher in patients with AF recurrence (62.2% vs 35.5%, P = 0.051) and Kaplan-Meier analysis showed lower AF-free survival in patients with existence of a LCPV (P = 0.028). At 1-year follow-up, 70.6% of patients without versus 55.1% of patients with LCPV were free of AF. Multivariate Cox regression analysis revealed presence of a LCPV (hazard ratio [HR]: 2.996), chronic heart failure (HR: 3.423), and mitral regurgitation > I degrees (HR: 2.571) as predictors of AF recurrence. CONCLUSION: Patients with LCPV had significantly reduced AF-free survival after ablation with the second-generation cryoballoon, despite similar acutely successful PVIs. PMID- 29211302 TI - Adoption of evidence-based novel therapies in the treatment of gastric cancer: A national observational study. AB - BACKGROUND: The adoption of novel and effective gastric cancer therapies into general clinical practice has crucial implications for patient outcomes. The current study explored trends in treatment use and overall survival in patients with gastric cancer in the United States. METHODS: Patients with adenocarcinoma of the gastric cardia and noncardia were identified in the National Cancer Data Base between 2006 and 2014. Tumor stages were divided into early (IA), locally advanced (IB-IIIC), and metastatic (IV) stage. Treatment use was examined according to tumor stage and location. Time trend analyses of treatment use and overall survival were conducted. RESULTS: A total of 89,098 patients with gastric adenocarcinoma were identified. In those with early-stage cancer, endoscopic treatment increased over time in patients with cardia and noncardia disease. In patients with locally advanced cardia disease, preoperative therapy use increased over time (2013-2014 [vs 2006-2008]: odds ratio [OR], 3.09; 95% confidence interval [95% CI], 2.80-3.41). In patients with locally advanced noncardia disease, the use of preoperative therapy also increased (2013-2014: OR, 3.32; 95% CI, 2.88-3.82) as did the use of perioperative therapy (2013-2014: OR, 4.21; 95% CI, 3.52-5.03) in lieu of postoperative treatment (2013-2014: OR, 0.66; 95% CI, 0.60-0.71). In patients with metastatic disease, approximately 34% of patients with cardia and 40% of patients with noncardia cancer did not receive treatment. Stage-specific and location-specific overall survival was found to improve over the study period. CONCLUSIONS: Practice patterns for the treatment of gastric cancer in the United States reflect the increased adoption of evidence-based therapies, including endoscopic resection of early-stage cancer and preoperative therapy for patients with locally advanced disease. Treatment for metastatic disease remains markedly underused. Cancer 2018;124:1122-31. (c) 2017 American Cancer Society. PMID- 29211304 TI - Risk of recurrence, prognosis, and follow-up for Danish women with cervical cancer in 2005-2013: A national cohort study. AB - BACKGROUND: In developed countries, women attend follow-up after treatment for cervical cancer to detect recurrence. The aim of this study was to describe the Danish population of women with early-stage cervical cancer at risk for recurrence and death due to recurrence. METHODS: Data were extracted from 3 nationwide databases to find women diagnosed with stage 1A1 to 1B1 cervical cancer in 2005-2013. Recurrences were determined from data on oncological or surgical treatment more than 3 months after the initial diagnosis and were cross checked with patient journals. RESULTS: In all, 1523 patients were diagnosed with stage 1A1 to 1B1 cervical cancer. Eighty women experienced recurrences: 8 at International Federation of Gynecology and Obstetrics (FIGO) stage 1A1, 0 at FIGO stage 1A2, and 72 at FIGO stage 1B1. The 5-year recurrence rate was 6.4%; 67.5% of the women had symptomatic recurrences, and 28.8% had asymptomatic recurrences. At significantly greater risk for recurrence were women at stage 1B1, regardless of their lymph node (LN) status at diagnosis (hazard ratio with a positive LN, 5.10; 95% confidence interval [CI], 1.65-15.76; P = .0047; hazard ratio with a negative LN, 3.14; 95% CI, 1.25-7.93; P = .0153; hazard ratio with LN data missing, 6.33; 95% CI, 1.80-22.26; P = .004), women older than 50 years (hazard ratio, 1.81; 95% CI, 1.12-2.94; P = .0158), and women with lymphatic and lymphovascular space invasion (LVSI; hazard ratio, 1.92; 95% CI, 1.11-3.30; P = .0188). In a multivariate analysis, significantly inferior survival was found after recurrence for patients with lymphatic LVSI (hazard ratio, 2.23; 95% CI, 1.04-4.80; P = .0401), a symptomatic diagnosis of recurrence (hazard ratio, 2.52; 95% CI, 1.08-5.90; P = .0332), and multiple sites of recurrence (hazard ratio, 2.72; 95% CI, 1.32-5.61; P = .0066). CONCLUSIONS: This study has identified a group of women at FIGO stage 1A1 in no need of specialized, hospital-based follow up. Many of the recurrences at FIGO stage 1B1 are asymptomatic, and this may show a need for follow-up in this group. Further prospective investigation is needed. Cancer 2018;124:943-51. (c) 2017 American Cancer Society. PMID- 29211305 TI - Improving bone health in men with prostate cancer receiving androgen deprivation therapy: Results of a randomized phase 2 trial. AB - BACKGROUND: Strategies to improve bone health care in men receiving androgen deprivation therapy (ADT) are not consistently implemented. The authors conducted a phase 2 randomized controlled trial of 2 education-based models-of-care interventions to determine their feasibility and ability to improve bone health care. METHODS: A single-center parallel-group randomized controlled trial of men with prostate cancer who were receiving ADT was performed. Participants were randomized 1:1:1 to 1) a patient bone health pamphlet and brief recommendations for their family physician (BHP+FP); 2) a BHP and support from a bone health care coordinator (BHP+BHCC); or 3) usual care. The primary efficacy outcome was receipt of a bone mineral density (BMD) test within 6 months. Secondary efficacy outcomes included guideline-appropriate calcium and vitamin D use and bisphosphonate prescriptions for men at high fracture risk. Feasibility endpoints included recruitment, retention, satisfaction, contamination, and outcome capture. The main analysis used logistic regression with a 1-sided P of .10. The trial is registered at ClinicalTrials.gov (identifier NCT02043236). RESULTS: A total of 119 men were recruited. The BHP+BHCC strategy was associated with a greater percentage of men undergoing a BMD test compared with the usual-care group (78% vs 36%; P<.001). BMD ordering also was found to be increased with the BHP+FP strategy (58% vs 36%; P = .047). Both strategies were associated with higher percentages of patients using calcium and vitamin D, but only the BHP+FP arm was statistically significant (P = .039). No men were detected to be at high fracture risk. All but one feasibility endpoint was met. CONCLUSIONS: Educational strategies to improve bone health care appear feasible and are associated with improved BMD ordering in men receiving ADT. Cancer 2018;124:1132-40. (c) 2017 American Cancer Society. PMID- 29211303 TI - Evaluating antidisease immunity to malaria and implications for vaccine design. AB - Immunity to malaria could be categorized broadly as antiparasite or antidisease immunity. While most vaccine research efforts have focused on antiparasite immunity, the evidence from endemic populations suggest that antidisease immunity is an important component of natural immunity to malaria. The processes that mediate antidisease immunity have, however, attracted little to no attention, and most interests have been directed towards the antibody responses. This review evaluates the evidence for antidisease immunity in endemic areas and discusses the possible mechanisms responsible for it. Given the key role that inflammation plays in the pathogenesis of malaria, regulation of the inflammatory response appears to be a major mechanism for antidisease immunity in naturally exposed individuals. PMID- 29211306 TI - Telomerase reverse transcriptase promoter alterations across cancer types as detected by next-generation sequencing: A clinical and molecular analysis of 423 patients. AB - BACKGROUND: Telomerase reverse transcriptase (TERT) promoter mutations that may affect telomerase activity have recently been described in human malignancies. The purpose of this study was to investigate the clinical correlates of TERT promoter abnormalities in a large cohort of patients with diverse cancers. METHODS: This study analyzed TERT promoter alterations and clinical characteristics of 423 consecutive patients for whom molecular testing by next generation sequencing was performed between August 2014 and July 2015. RESULTS: Of the 423 patients, 61 (14.4%) had TERT promoter mutations, and this placed TERT promoter alterations among the most prevalent aberrations after tumor protein 53 (TP53; 39%) and KRAS and cyclin-dependent kinase inhibitor 2A/B (CDKN2A/B) alterations (15% each) in this population. TERT promoter alterations were more frequent in men (P = .031) and were associated with brain cancers (P = .001), skin cancers/melanoma (P = .001), and a higher number of aberrations (P = .0001). A co-alteration analysis found that TERT promoter alterations were significantly correlated with CDKN2A/B (P = .001) and BRAF abnormalities (P = .0003). Patients harboring TERT promoter alterations or TP53 or CDKN2A/B alterations and those with 4 or more alterations demonstrated shorter survival (hazard ratio for normal TERT promoters vs aberrant ones, 0.44; P = .017). However, only a higher number of alterations remained significant in the multivariate analysis. CONCLUSIONS: Overall, TERT promoter alterations were among the most prevalent aberrations in this population, with very high rates in brain cancers (48% of patients) and melanomas (56% of patients). These aberrations frequently coexist with a high number of other aberrations, with the latter feature also significantly associated with poorer overall survival. Therapeutic options for targeting tumors with TERT promoter mutations are currently limited, although a variety of novel approaches are under development. Cancer 2018;124:1288-96. (c) 2017 American Cancer Society. PMID- 29211307 TI - Temporal changes in treatments and outcomes after acute myocardial infarction among cancer survivors and patients without cancer, 1995 to 2013. AB - BACKGROUND: There is a paucity of information about treatment and mortality trends after acute myocardial infarction (AMI) for cancer survivors (CS). METHODS: In this population-based study, the authors compared temporal trends of treatments and outcomes (mortality, nonfatal cardiovascular outcomes), among CS and patients without cancer (the noncancer patient [NCP] group) with AMI in Ontario (Canada) using inverse probability treatment weight (IPTW)-adjusted modeling. RESULTS: Of 270,089 patients with AMI (22,907 CS, 247,182 NCP, 1995 2013; median follow-up, 10.1 and 11.0 years, respectively), the use of invasive coronary strategies and pharmacotherapies increased and mortality declined for CS and NCP (all Ptrend < .001). At 30 days after AMI, there was no difference between CS and NCP in the receipt of coronary angiography (incidence risk ratio [IRR], 0.98; 95% confidence interval [CI], 0.96-1.01; P = .23), percutaneous coronary intervention (IRR, 0.98; 95% CI, 0.94-1.02; P = .29), or bypass (IRR, 0.93; 95% CI, 0.85-1.02; P = .11). At 90 days after AMI, there was no difference in the receipt of beta-blockers, clopidogrel, or nitrates; but CS were less often prescribed angiotensin-converting enzyme inhibitors/angiotensin II receptor blockers and statins. CS had higher all-cause mortality at 30 days (adjusted hazard ratio [HR] 1.12; 95% CI, 1.07-1.17; P < .001), at 1 year (1.16; 95% CI, 1.12-1.20; P < .001), and long term (HR, 1.21; 95% CI, 1.17-1.25; P < .001) and had a greater risk of heart failure (HR, 1.08; 95% CI, 1.03-1.14; P = .001), but not myocardial re-infarction (HR, 0.98; 95% CI, 0.95-1.01; P = .22) or stroke (HR, 1.06; 95% CI, 0.97-1.16; P = .18). CONCLUSIONS: Among CS and NCP with AMI in Ontario, similar improvements in mortality and receipt of treatments were observed between 1995 and 2013. However, compared with NCP, CS had a higher risk of mortality and heart failure. Cancer 2018;124:1269-78. (c) 2017 American Cancer Society. PMID- 29211308 TI - Dose, schedule, safety, and efficacy of guadecitabine in relapsed or refractory acute myeloid leukemia. AB - BACKGROUND: Outcomes for patients with relapsed or refractory acute myeloid leukemia (AML) are poor. Guadecitabine, a next-generation hypomethylating agent, could be useful in treating such patients. METHODS: In this multicenter, open label, phase 2 dose-expansion study, AML patients from 10 North American medical centers were first randomized (1:1) to receive subcutaneous guadecitabine at 60 or 90 mg/m2 on 5 consecutive days in each 28-day cycle (5-day regimen). Subsequently, another cohort was treated for 10 days with 60 mg/m2 (10-day regimen). RESULTS: Between June 15, 2012, and August 19, 2013, 108 patients with previously treated AML consented to enroll in the study, and 103 of these patients were treated; 5 patients did not receive the study treatment. A total of 103 patients were included in the safety and efficacy analyses (24 and 26 patients who were randomly assigned to 60 and 90 mg/m2 /d, respectively [5-day regimen] and 53 patients who were assigned to 60 mg/m2 /d [10-day regimen]). The 90 mg/m2 dose showed no benefit in clinical outcomes in comparison with 60 mg/m2 in the randomized cohort. Composite complete response (CRc) and complete response (CR) rates were higher with the 10-day regimen versus the 5-day regimen (CRc, 30.2% vs 16.0%; P = .1061; CR, 18.9% vs 8%; P = .15). Adverse events (grade >= 3) were mainly hematologic, with a higher incidence on the 10-day regimen. Early all cause mortality was low and similar between regimens. Twenty patients (8 on the 5 day regimen and 12 on the 10-day regimen) were bridged to hematopoietic cell transplantation. CONCLUSIONS: Guadecitabine has promising clinical activity and an acceptable safety profile and thus warrants further development in this population. Cancer 2018;124:325-34. (c) 2017 The Authors. Cancer published by Wiley Periodicals, Inc. on behalf of American Cancer Society. This is an open access article under the terms of the Creative Commons Attribution NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. PMID- 29211309 TI - Statins in nonsurgical and surgical periodontal therapy. A systematic review and meta-analysis of preclinical in vivo trials. AB - The cholesterol-lowering drugs, statins, possess anti-inflammatory, antimicrobial and pro-osteogenic properties, and thus have been tested as an adjunct to periodontal treatment. The present systematic review aimed to answer the following focused research question: What is the effect of local and/or systemic statin use on periodontal tissues in preclinical in vivo studies of experimentally induced periodontitis (EIP) and/or acute/chronified periodontal defect (ACP) models? A literature search (of Medline/PubMed, Embase/Ovid, CENTRAL/Ovid) using the following main eligibility criteria was performed: (i) English or German language; (ii) controlled preclinical in vivo trials; (iii) local and/or systemic statin use in EIP and/or ACP models; and (iv) quantitative evaluation of periodontal tissues (i.e., alveolar bone level/amount, attachment level, cementum formation, periodontal ligament formation). Sixteen studies in EIP models and 7 studies in ACP models evaluated simvastatin, atorvastatin or rosuvastatin. Thirteen of the EIP (81%) and 2 of the ACP (29%) studies presented significantly better results in terms of alveolar bone level/amount in favor of statins. Meta-analysis based on 14 EIP trials confirmed a significant benefit of local and systemic statin use (P < .001) in terms of alveolar bone level/amount; meta-regression revealed that statin type exhibited a significant effect (P = .014) in favor of atorvastatin. Three studies reported a significantly higher periodontal attachment level in favor of statin use (P < .001). Complete periodontal regeneration was never observed; furthermore, statins did not exert any apparent effect on cementum formation. Neither local nor systemic use of statins resulted in severe adverse effects. Statin use in periodontal indications has a positive effect on periodontal tissue parameters, supporting the positive results already observed in clinical trials. Nevertheless, not all statins available have been tested so far, and further research is needed to identify the maximum effective concentration/dose and optimal carrier. PMID- 29211310 TI - Presentation and outcome of frequent and rare sarcoma histologic subtypes: A study of 10,262 patients with localized visceral/soft tissue sarcoma managed in reference centers. AB - BACKGROUND: The objective of this study was to describe characteristics at diagnosis and outcomes of adults with soft tissue sarcoma. METHODS: The authors conducted a retrospective multicenter study of 12,262 patients who were treated between January 1980 and 31 December 2013 in French Sarcoma Group centers and enrolled in the "Conticabase." Diagnoses were systematically reviewed by expert pathologists, and entities were classified according to the 2013 World Health Organization classification. Diagnostic characteristics, treatments, and outcomes are described for the entire cohort, for the subgroup of patients with translocation-related sarcomas, and for 9 different histologic subtypes. RESULTS: The results stressed the magnitude of heterogeneity among adult sarcomas. For example, compared with other sarcomas, translocation-related sarcomas (2143 tumors; 20.8%) were associated with a younger age at presentation (40.6 vs 60.0 years; P < .0001), a low rate of predisposing conditions (0.01% vs 22.3%; P < .0001), a higher rate of lymph node involvement (4.7% vs 1.3%; P < .0001), and a higher rate of synchronous metastasis (11.9% vs 6.7%; P < .001); and complete (R0) resection (41.6% vs 31.9%; P < .0001), receipt of (neo)adjuvant radiation therapy (62.6% vs 42.2%; P < .0001), and receipt of (neo)adjuvant chemotherapy (36.6% vs 22.3%; P < .0001) were significantly more frequent. Overall, translocation-related sarcomas were associated with a lower rate of local relapse (18.1% vs 26.0%; P < .0001) but a higher rate of metastatic relapse (42.0% vs 30.7%; P < .0001). CONCLUSIONS: Collaborative efforts are urgently needed to better assess the natural history and management options for every histologic subtype of sarcoma. Cancer 2018;124:1179-87. (c) 2017 American Cancer Society. PMID- 29211311 TI - Method and basis set dependence of the NICS indexes of aromaticity for benzene. AB - The role of theory level in prediction of benzene magnetic indexes of aromaticity is analysed and compared with calculated nuclear magnetic shieldings of 3 He used as NMR probe. Three closely related nucleus-independent chemical shift (NICS) based indexes were calculated for benzene at SCF-HF, MP2, and DFT levels of theory and the impact of basis set on these quantities was studied. The changes of benzene NICS(0), NICS(1), and NICS(1)zz parameters calculated using SCF-HF, MP2 and several density functionals were within 1 to 3 ppm. Similar deviations between magnetic indexes of aromaticity were observed for values calculated with selected basis sets. Only very small effect of polar solvent on benzene aromaticity was predicted. The 3 He nuclear magnetic isotropic shielding (sigma) and its zz-components (sigmazz ) of helium atom approaching the centre of benzene ring from above produced similar curves versus benzene-He distance to NICS parameters calculated for similarly moving Bq ghost atom. We also propose an experimental verification of NICS calculations by designing the 3 He NMR measurement for benzene saturated with helium gas or in low temperature matrices. PMID- 29211312 TI - Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. AB - A versatile two-step synthesis of tris(pentafluoroethyl)stannane, HSn(C2 F5 )3 , is presented. Electron-withdrawing C2 F5 groups significantly influence the polarity of the tin-hydrogen bond, which allows facile deprotonation of the compound, even in water. The utility of this electron-deficient stannane was illustrated in hydrostannylations of alkenes and alkynes, as well as in dehalogenation reactions. The remarkably high reactivity of HSn(C2 F5 )3 is demonstrated in fast hydrostannylations, even in the absence of activators, whereby the regioselectivity of this process turns out to be solvent dependent. It is of great advantage that in dehalogenation reactions volatile halogenotris(pentafluoroethyl)stannanes, XSn(C2 F5 )3 (X=I, Br), are formed that allow facile separation of the tin-containing byproducts from the reaction mixtures. PMID- 29211313 TI - Comparative study of lung and extrapulmonary poorly differentiated neuroendocrine carcinomas: A SEER database analysis of 162,983 cases. AB - BACKGROUND: Extrapulmonary neuroendocrine carcinomas (NECs) are poorly studied and are managed similar to lung NECs, which may not account for differences between the 2 groups of tumors as well as the heterogeneity within extrapulmonary NEC. METHODS: Data from the Surveillance, Epidemiology, and End Results program between 1973 and 2012 were used to estimate the relative percentages of lung NECs and subgroups of extrapulmonary NECs, epidemiological patterns at these sites, and the median and 5-year overall survival rates. RESULTS: Of 162,983 NEC cases, 14,732 were extrapulmonary; of these, 5509 were gastrointestinal (37.44%), 4151 were of unknown primary (28.2%), and 5072 were of other sites (34.4%). Lung NEC had the highest percentage of small cell morphology (95.2%) and gastrointestinal NEC had the least (38.7%), with the rest being other morphologies. Significant differences were noted with regard to median age (range, 48-74 years), percentage of cases of distant stage disease (24%-77%), and incidence according to sex and race. The median survival of patients with lung NEC was 7.6 months, that for patients with gastrointestinal NEC was 7.5 months (range, 25.1 months for NEC at the small intestine to 5.7 months for NEC at the pancreas), and that for patients with unknown NEC was 2.5 months. The 5-year survival rate for patients with local stage disease ranged from 58% to 60% for NECs of the female genital tract and small intestine to 25% for esophageal NECs. The primary tumor site remained statistically significant for survival even after adjusting for known prognostic variables (P<.0001). CONCLUSIONS: To the authors' knowledge, the current study is the largest study of NECs performed to date and also the first with comprehensive epidemiological data. Significant differences in incidence patterns and large variations in survival depending on anatomical site and morphological subtype were noted. A curative approach is possible for patients with nonmetastatic NECs. Cancer 2018;124:807-15. (c) 2017 American Cancer Society. PMID- 29211315 TI - Trends in botanical dietary supplement use among US adults by cancer status: The National Health and Nutrition Examination Survey, 1999 to 2014. AB - BACKGROUND: Patients with cancer may use botanical dietary supplements (BDS) in an attempt to manage the side effects of chemotherapy, yet evidence about BDS use among patients with cancer is limited. The authors examined trends in BDS use among US adults according to cancer status and patient characteristics. METHODS: A serial, cross-sectional study was conducted using data from the National Health and Nutrition Examination Survey from 1999 through 2014 (n = 43,644). Self reported cancer diagnosis history and any BDS use in the preceding 30 days were determined. The prevalence of BDS use was calculated in each cycle for respondents with and without cancer, both overall and by patient characteristics. Simple linear regression models were applied to test for trends in BDS use at a 2 sided P value < .05. Multiple logistic regression models were performed to identify the patient factors associated with BDS use. The results were weighted to represent national estimates. RESULTS: The prevalence of BDS use was greater among participants who had cancer compared with participants who did not have cancer, but trends remained stable during 1999 through 2014 for both groups. Trends in BDS use declined in patients with cancer who were older (Ptrend = .047), had a low annual family income (Ptrend = .028), and had a lower education level (Ptrend = .004). Among the respondents without cancer, trends in BDS use declined in those who were middle-aged (Ptrend = .025), non-Hispanic whites (Ptrend = .025), those with a lower education level (Ptrend = .011), and those who were not receiving prescription medication (Ptrend = .036). Patient age, sex, race/ethnicity, income, education, and health conditions were associated with BDS use. CONCLUSIONS: The overall use of BDS remained stable during 1999 through 2014 for US adults with and without cancer, but it varied by individual characteristics. Cancer 2018;124:1207-15. (c) 2017 American Cancer Society. PMID- 29211314 TI - A Highly Enantioselective Copper/Phosphoramidite-Thioether-Catalyzed Diastereodivergent 1,3-Dipolar Cycloaddition of Azomethine Ylides and Nitroalkenes. AB - In contrast to the plethora of catalytic systems that enable access to any enantiomers of the chiral products by simply choosing between a pair of enantiomeric or pseudoenantiomeric chiral catalysts, few analogously effective protocols exist for the synthesis of compounds bearing multiple stereogenic centers with full control of the absolute and relative stereochemical configurations. Here, we report the application of our previously developed modular phosphoramidite-thioether ligands for the copper-catalyzed diastereodivergent asymmetric 1,3-dipolar cycloaddition of azomethine ylides and nitroalkenes. Our catalytic system enables wide substrate scope, great stereochemical control, and high reaction efficiency. PMID- 29211317 TI - Neurobiology of gender identity and sexual orientation. AB - Sexual identity and sexual orientation are independent components of a person's sexual identity. These dimensions are most often in harmony with each other and with an individual's genital sex, although not always. The present review discusses the relationship of sexual identity and sexual orientation to prenatal factors that act to shape the development of the brain and the expression of sexual behaviours in animals and humans. One major influence discussed relates to organisational effects that the early hormone environment exerts on both gender identity and sexual orientation. Evidence that gender identity and sexual orientation are masculinised by prenatal exposure to testosterone and feminised in it absence is drawn from basic research in animals, correlations of biometric indices of androgen exposure and studies of clinical conditions associated with disorders in sexual development. There are, however, important exceptions to this theory that have yet to be resolved. Family and twin studies indicate that genes play a role, although no specific candidate genes have been identified. Evidence that relates to the number of older brothers implicates maternal immune responses as a contributing factor for male sexual orientation. It remains speculative how these influences might relate to each other and interact with postnatal socialisation. Nonetheless, despite the many challenges to research in this area, existing empirical evidence makes it clear that there is a significant biological contribution to the development of an individual's sexual identity and sexual orientation. PMID- 29211316 TI - The efficacy of prostate-specific antigen screening: Impact of key components in the ERSPC and PLCO trials. AB - BACKGROUND: The European Randomized Study of Screening for Prostate Cancer (ERSPC) demonstrated that prostate-specific antigen (PSA) screening significantly reduced prostate cancer mortality (rate ratio, 0.79; 95% confidence interval, 0.69-0.91). The US Prostate, Lung, Colorectal, and Ovarian (PLCO) trial indicated no such reduction but had a wide 95% CI (rate ratio for prostate cancer mortality, 1.09; 95% CI, 0.87-1.36). Standard meta-analyses are unable to account for key differences between the trials that can impact the estimated effects of screening and the trials' point estimates. METHODS: The authors calibrated 2 microsimulation models to individual-level incidence and mortality data from 238,936 men participating in the ERSPC and PLCO trials. A cure parameter for the underlying efficacy of screening was estimated by the models separately for each trial. The authors changed step-by-step major known differences in trial settings, including enrollment and attendance patterns, screening intervals, PSA thresholds, biopsy receipt, control arm contamination, and primary treatment, to reflect a more ideal protocol situation and differences between the trials. RESULTS: Using the cure parameter estimated for the ERSPC, the models projected 19% to 21% and 6% to 8%, respectively, prostate cancer mortality reductions in the ERSPC and PLCO settings. Using this cure parameter, the models projected a reduction of 37% to 43% under annual screening with 100% attendance and biopsy compliance and no contamination. The cure parameter estimated for the PLCO trial was 0. CONCLUSIONS: The observed cancer mortality reduction in screening trials appears to be highly sensitive to trial protocol and practice settings. Accounting for these differences, the efficacy of PSA screening in the PLCO setting is not necessarily inconsistent with ERSPC results. Cancer 2018;124:1197 206. (c) 2017 American Cancer Society. PMID- 29211318 TI - Nitrogen-rich microbial products provide new organo-mineral associations for the stabilization of soil organic matter. AB - Understanding the cycling of C and N in soils is important for maintaining soil fertility while also decreasing greenhouse gas emissions, but much remains unknown about how organic matter (OM) is stabilized in soils. We used nano-scale secondary ion mass spectrometry (NanoSIMS) to investigate the changes in C and N in a Vertisol and an Alfisol incubated for 365 days with 13 C and 15 N pulse labeled lucerne (Medicago sativa L.) to discriminate new inputs of OM from the existing soil OM. We found that almost all OM within the free stable microaggregates of the soil was associated with mineral particles, emphasizing the importance of organo-mineral interactions for the stabilization of C. Of particular importance, it was also found that 15 N-rich microbial products originating from decomposition often sorbed directly to mineral surfaces not previously associated with OM. Thus, we have shown that N-rich microbial products preferentially attach to distinct areas of mineral surfaces compared to C dominated moieties, demonstrating the ability of soils to store additional OM in newly formed organo-mineral associations on previously OM-free mineral surfaces. Furthermore, differences in 15 N enrichment were observed between the Vertisol and Alfisol presumably due to differences in mineralogy (smectite-dominated compared to kaolinite-dominated), demonstrating the importance of mineralogy in regulating the sorption of microbial products. Overall, our findings have important implications for the fundamental understanding of OM cycling in soils, including the immobilization and storage of N-rich compounds derived from microbial decomposition and subsequent N mineralization to sustain plant growth. PMID- 29211321 TI - Recovery Mechanism of Degraded Black Phosphorus Field-Effect Transistors by 1,2 Ethanedithiol Chemistry and Extended Device Stability. AB - Black phosphorus (BP) has drawn enormous attention for both intriguing material characteristics and electronic and optoelectronic applications. In spite of excellent advantages for semiconductor device applications, the performance of BP devices is hampered by the formation of phosphorus oxide on the BP surface under ambient conditions. It is thus necessary to resolve the oxygen-induced degradation on the surface of BP to recover the characteristics and stability of the devices. To solve this problem, it is demonstrated that a 1,2-ethanedithiol (EDT) treatment is a simple and effective way to remove the bubbles formed on the BP surface. The device characteristics of the degraded BP field-effect transistor (FET) are completely recovered to the level of the pristine cases by the EDT treatment. The underlying principle of bubble elimination on the BP surface by the EDT treatment is systematically analyzed by density functional theory calculation, atomic force microscopy, and X-ray photoelectron spectroscopy analysis. In addition, the performance of the hexagonal boron nitride-protected BP FET is completely retained without changing device characteristics even when exposed to 30 d or more in air. The EDT-induced recovering effect will allow a new route for the optimization of electronic and optoelectronic devices based on BP. PMID- 29211320 TI - Consensus statements on the management of metastatic prostate cancer from the Hong Kong Urological Association and Hong Kong Society of Uro-Oncology. AB - To establish a set of consensus statements to facilitate physician management strategies for patients with metastatic prostate cancer (mPCa) in Hong Kong. A local expert consensus was organized jointly by the two main professional organizations representing prostate cancer specialists in Hong Kong. A total of 12 experts were included in the consensus panel. Six of the most crucial and relevant areas of debate regarding the management of mPCa were identified. With the use of a modified Delphi method, several panel meetings were held for the members to discuss their clinical experience and the published literature relevant to the areas of debate. At the final meeting, each drafted statement was voted on by every member based on its practicability of recommendation in the locality. After the panel voting, a total of 45 consensus statements regarding the management of mPCa were ultimately accepted and established. The consensus statements were primarily derived from the latest clinical evidence and major overseas guidelines, with the consideration of local clinical experience and practicability. These are considered applicable recommendations for Hong Kong physicians for the management of mPCa patients. PMID- 29211322 TI - Perivascular adipose tissue and the dynamic regulation of Kv 7 and Kir channels: Implications for resistant hypertension. AB - Resistant hypertension is defined as high blood pressure that remains uncontrolled despite treatment with at least three antihypertensive drugs at adequate doses. Resistant hypertension is an increasingly common clinical problem in older age, obesity, diabetes, sleep apnea, and chronic kidney disease. Although the direct vasodilator minoxidil was introduced in the early 1970s, only recently has this drug been shown to be particularly effective in a subgroup of patients with treatment-resistant or uncontrolled hypertension. This pharmacological approach is interesting from a mechanistic perspective as minoxidil is the only clinically used K+ channel opener today, which targets a subclass of K+ channels, namely KATP channels in VSMCs. Beside KATP channels, two other classes of VSMC K+ channels could represent novel effective targets for treatment of resistant hypertension, namely Kv 7 (KCNQ) and inward rectifier potassium (Kir 2.1) channels. Interestingly, these channels are unique among VSMC potassium channels. First, both have been implicated in the control of microvascular tone by perivascular adipose tissue. Second, they exhibit biophysical properties strongly controlled and regulated by membrane voltage, but not intracellular calcium. This review focuses on Kv 7 (Kv 7.1-5) and Kir (Kir 2.1) channels in VSMCs as potential novel drug targets for treatment of resistant hypertension, particularly in comorbid conditions such as obesity and metabolic syndrome. PMID- 29211323 TI - Medical applications of nonthermal atmospheric pressure plasma in dermatology. AB - Plasma is an ionized gas that consists of positively and negatively charged particles, neutral atoms, and photons. Recent developments in plasma sources have made it possible to generate room-temperature plasma in the "open air", thus enabling the application of plasma in vivo. Using nonthermal plasma, active agents can be efficiently delivered to target cells without creating thermal damage. Also known as cold atmospheric pressure plasma (CAP), nonthermal atmospheric pressure plasma offers innovative medical applications. In this context, it has also gained wide attention in the field of dermatology. The complex and variable mixture of active agents in plasma - predominantly reactive oxygen and nitrogen species (ROS, RNS) - can control or trigger complex biochemical reactions, achieving the desired effects in a dose-dependent manner. The objective of the present review is to present potential applications of plasma in dermatology and analyze its potential mechanisms of action. PMID- 29211319 TI - Clinical implications of bone marrow adiposity. AB - Marrow adipocytes, collectively termed marrow adipose tissue (MAT), reside in the bone marrow in close contact to bone cells and haematopoietic cells. Marrow adipocytes arise from the mesenchymal stem cell and share their origin with the osteoblast. Shifts in the lineage allocation of the mesenchymal stromal cell could potentially explain the association between increased MAT and increased fracture risk in diseases such as postmenopausal osteoporosis, anorexia nervosa and diabetes. Functionally, marrow adipocytes secrete adipokines, such as adiponectin, and cytokines, such as RANK ligand and stem cell factor. These mediators can influence both bone remodelling and haematopoiesis by promoting bone resorption and haematopoietic recovery following chemotherapy. In addition, marrow adipocytes can secrete free fatty acids, acting as a energy supply for bone and haematopoietic cells. However, this induced lipolysis is also used by neoplastic cells to promote survival and proliferation. Therefore, MAT could represent a new therapeutic target for multiple diseases from osteoporosis to leukaemia, although the exact characteristics and role of the marrow adipocyte in health and diseases remain to be determined. PMID- 29211324 TI - Non-invasive prenatal testing for fetal inheritance of maternal beta-thalassaemia mutations using targeted sequencing and relative mutation dosage: a feasibility study. AB - OBJECTIVE: To evaluate whether targeted sequencing and relative mutation dosage can be used to diagnose correctly inheritance of maternal beta-thalassaemia mutations in cell-free DNA. DESIGN: Feasibility study using samples collected in a prenatal clinic. SETTING: South East Asia. POPULATION: Couples where both partners were known to be carriers of one of four common beta-thalassaemia mutations or an HbE mutation, and therefore at risk of carrying a fetus affected with beta-thalassaemia. METHODS: 49 samples previously identified as having inherited a paternal beta-thalassaemia mutation were amplified using nested polymerase chain reaction (PCR), and then sequencing. Relative mutation dosage was used to classify the fetus as having inherited the wild-type or mutant maternal allele. MAIN OUTCOME MEASURES: Classification of the fetus as 'unaffected' (if the maternal wild-type allele was inherited) or 'affected' with beta-thalassaemia (if the maternal mutant allele was inherited). RESULTS: A classification for inheritance of maternal allele was obtained in 48/49 samples (98.0%). A concordant call was made in 44/48 cases (91.7%): one false-positive and three false-negatives were obtained. Thus, we had an overall sensitivity of 87.5% [95% confidence interval (CI) 67.6-97.3%] and a specificity of 95.8% (95% CI 78.9-99.9%) for inheritance of maternal genotype. CONCLUSIONS: RMD for detection of inheritance of maternal beta-thalassaemia mutations has potential for clinical use. Our sequential approach could be applied to other single-gene disorders. TWEETABLE ABSTRACT: NIPT for beta-thalassaemia achieved using nested PCR followed by relative mutation dosage. PMID- 29211326 TI - Recent work supports the concept of an active sphincter in the uterine cervix. PMID- 29211325 TI - Climate change leads to differential shifts in the timing of annual cycle stages in a migratory bird. AB - Shifts in reproductive phenology due to climate change have been well documented in many species but how, within the same species, other annual cycle stages (e.g. moult, migration) shift relative to the timing of breeding has rarely been studied. When stages shift at different rates, the interval between stages may change resulting in overlaps, and as each stage is energetically demanding, these overlaps may have negative fitness consequences. We used long-term data of a population of European pied flycatchers (Ficedula hypoleuca) to investigate phenological shifts in three annual cycle stages: spring migration (arrival dates), breeding (egg-laying and hatching dates) and the onset of postbreeding moult. We found different advancements in the timing of breeding compared with moult (moult advances faster) and no advancement in arrival dates. To understand these differential shifts, we explored which temperatures best explain the year to-year variation in the timing of these stages, and show that they respond differently to temperature increases in the Netherlands, causing the intervals between arrival and breeding and between breeding and moult to decrease. Next, we tested the fitness consequences of these shortened intervals. We found no effect on clutch size, but the probability of a fledged chick to recruit increased with a shorter arrival-breeding interval (earlier breeding). Finally, mark-recapture analyses did not detect an effect of shortened intervals on adult survival. Our results suggest that the advancement of breeding allows more time for fledgling development, increasing their probability to recruit. This may incur costs to other parts of the annual cycle, but, despite the shorter intervals, there was no effect on adult survival. Our results show that to fully understand the consequences of climate change, it is necessary to look carefully at different annual cycle stages, especially for organisms with complex cycles, such as migratory birds. PMID- 29211327 TI - Combined abdomino-sacral laparoscopically assisted approach for retrorectal mass resection in a patient with Currarino's Syndrome - video vignette. AB - A correct preoperative strategy is crucial when surgery is needed for retrorectal tumours (RRT).[1] Surgical approaches may be purely anterior-abdominal, posterior sacrococcygeal or combined depending on the tumour's size and location.[2] We present the case of an 18-year-old female with Currarino Syndrome who underwent surgery by a combined abdominal laparoscopic-posterior Kraske approach for the resection of a large RRT. This article is protected by copyright. All rights reserved. PMID- 29211328 TI - Safety of the balloon catheter for cervical ripening in outpatient care: complications during the period from insertion to expulsion of a balloon catheter in the process of labour induction: a systematic review. AB - BACKGROUND: It has been suggested that cervical ripening with a balloon catheter for labour induction can be done in an outpatient setting in low-risk pregnancies. Introduction of such an approach needs to be accompanied with monitoring of potential complications. Therefore the existence and frequency of any associated adverse event during cervical ripening needs to be established. OBJECTIVE: To assess the complication rate during cervical ripening with balloon induction. SEARCH STRATEGY: We searched Embase, Medline, Cochrane Collaboration and CINAHL using keywords 'induction of labour', 'cervical ripening', 'balloon catheter', 'Foley balloon', 'transcervical balloon'. SELECTION CRITERIA: We included randomized controlled trials and cohort studies containing original data on fetal and maternal morbidity in pregnant women during cervical ripening with a balloon catheter. Only articles for which authors were able to give data for this exact time frame were included. DATA COLLECTION AND ANALYSIS: Two reviewers assessed independently the eligibility of included studies, extracted data and performed a quality assessment. A meta-analysis was performed to calculate the estimated prevalence of the adverse events. MAIN RESULTS: In total 26 studies were included reporting on 8292 women. The estimated prevalence of the analysed adverse events in the random effects model was between 0.0 and 0.26%, of which 'pain/discomfort' had the highest prevalence. CONCLUSION: This study suggests the risk of adverse events during the period between insertion and expulsion of a balloon catheter in cervical ripening to be low. These data facilitate further evaluation and implementation of this procedure in an outpatient setting for low risk pregnancies. TWEETABLE ABSTRACT: Balloon catheter for cervical ripening appears to be safe enough to evaluate its use in the outpatient setting. PMID- 29211329 TI - Visible-Light Emulsion Photopolymerization of Styrene. AB - The photopolymerization of styrene in emulsion is achieved in a conventional double-wall reactor equipped with a LED ribbon coiled around the external glass wall. Styrene mixed to acridine orange is added to the water phase containing sodium dodecyl sulfate, a water-soluble N-heterocyclic carbene-borane and disulfide, and irradiated. Highly stable latexes are obtained, with particles up to a diameter of 300 nm. The ability to reach such large particle sizes via a photochemical process in a dispersed medium is due to the use of visible light: the photons in the visible range are less scattered by larger objects and thus penetrate and initiate better the polymerizations. They are also greener and cheaper to produce via LEDs, and much safer than UVs. The method presented does not require any specific glassware; it works at lower temperature and delivers larger particles compared to thermal processes at similar solids contents and surfactant concentrations. PMID- 29211330 TI - Cross-Coupling of Sodium Sulfinates with Aryl, Heteroaryl, and Vinyl Halides by Nickel/Photoredox Dual Catalysis. AB - An efficient photoredox/nickel catalyzed sulfonylation reaction of aryl, heteroaryl, and vinyl halides has been achieved for the first time. This newly developed sulfonylation protocol provides a versatile method for the synthesis of diverse aromatic sulfones at room temperature and shows excellent functional group tolerance. The electrophilic coupling partners are not limited to aryl, heteroaryl, and vinyl bromides and iodides, but also includes less reactive aryl chlorides as suitable substrates for this transformation. PMID- 29211331 TI - Fabrication of Defined Polydopamine Nanostructures by DNA Origami-Templated Polymerization. AB - A versatile, bottom-up approach allows the controlled fabrication of polydopamine (PD) nanostructures on DNA origami. PD is a biosynthetic polymer that has been investigated as an adhesive and promising surface coating material. However, the control of dopamine polymerization is challenged by the multistage-mediated reaction mechanism and diverse chemical structures in PD. DNA origami decorated with multiple horseradish peroxidase-mimicking DNAzyme motifs was used to control the shape and size of PD formation with nanometer resolution. These fabricated PD nanostructures can serve as "supramolecular glue" for controlling DNA origami conformations. Facile liberation of the PD nanostructures from the DNA origami templates has been achieved in acidic medium. This presented DNA origami controlled polymerization of a highly crosslinked polymer provides a unique access towards anisotropic PD architectures with distinct shapes that were retained even in the absence of the DNA origami template. PMID- 29211332 TI - Incidental detection of new-onset melanoma using PET-CT in a patient with stage III melanoma. PMID- 29211333 TI - Subsequent reproductive outcome among women with peripartum cardiomyopathy: a nationwide study. AB - OBJECTIVE: To describe the subsequent reproductive outcome for a Danish nationwide cohort of women with peripartum cardiomyopathy (PPCM). DESIGN: Nationwide historic cohort study. SETTING: Secondary and tertiary centres across Denmark. SAMPLE: Women with PPCM. METHODS: Sixty-one women with PPCM during 2005 2014 were identified in a nationwide, registry-based study and the diagnosis was validated through audit of patient records. A new search for subsequent reproductive outcome in this cohort from 2005-2016 was conducted in the Danish National Birth Registry and the Danish National Patient Registry. Detailed clinical data were obtained from patient records. MAIN OUTCOME MEASURES: Sterilisations and subsequent reproductive outcomes after PPCM, including all pregnancies, miscarriages, terminations and deliveries. RESULTS: Of 61 women with PPCM, 13 (21%) had a total of 16 subsequent pregnancies resulting in one miscarriage, seven early terminations, one ectopic pregnancy and seven liveborn children. There were no maternal deaths or significant cardiac events during pregnancy, but one woman, who gave birth to a liveborn child, had a relapse of PPCM 7 weeks postpartum. None of the six women who had a first trimester termination, experienced relapse of PPCM. Of the 13 women with a subsequent pregnancy, 62% had prior to this been advised against a new pregnancy due to the risk of recurrent PPCM. A total of four women (6.6%) were sterilised. CONCLUSION: Peripartum cardiomyopathy affects women's reproduction with few subsequent pregnancies resulting in a liveborn child. The finding of a 1/7 relapse among women with recovered LVEF is in accordance with most previous studies. TWEETABLE ABSTRACT: Outcome in pregnancies after peripartum cardiomyopathy: results from the first nationwide study. PMID- 29211334 TI - Perichondritis of the ear in an Afghan immigrant. PMID- 29211335 TI - Lichen planus-like drug eruption on anti-PD-1 therapy. PMID- 29211337 TI - Occupational Darier's disease. PMID- 29211336 TI - Diverse effects of invasive ecosystem engineers on marine biodiversity and ecosystem functions: A global review and meta-analysis. AB - Invasive ecosystem engineers (IEE) are potentially one of the most influential types of biological invaders. They are expected to have extensive ecological impacts by altering the physical-chemical structure of ecosystems, thereby changing the rules of existence for a broad range of resident biota. To test the generality of this expectation, we used a global systematic review and meta analysis to examine IEE effects on the abundance of individual species and communities, biodiversity (using several indices) and ecosystem functions, focusing on marine and estuarine environments. We found that IEE had a significant effect (positive and negative) in most studies testing impacts on individual species, but the overall (cumulative) effect size was small and negative. Many individual studies showed strong IEE effects on community abundance and diversity, but the direction of effects was variable, leading to statistically non-significant overall effects in most categories. In contrast, there was a strong overall effect on most ecosystem functions we examined. IEE negatively affected metabolic functions and primary production, but positively affected nutrient flux, sedimentation and decomposition. We use the results to develop a conceptual model by highlighting pathways whereby IEE impact communities and ecosystem functions, and identify several sources of research bias in the IEE-related invasion literature. Only a few of the studies simultaneously quantified IEE effects on community/diversity and ecosystem functions. Therefore, understanding how IEE may alter biodiversity-ecosystem function relationships should be a primary focus of future studies of invasion biology. Moreover, the clear effects of IEE on ecosystem functions detected in our study suggest that scientists and environmental managers ought to examine how the effects of IEE might be manifested in the services that marine ecosystems provide to humans. PMID- 29211338 TI - Look, then leap: quality and improving maternity care. PMID- 29211339 TI - beta3-adrenoceptor agonists inhibit carbachol-evoked Ca2+ oscillations in murine detrusor myocytes. AB - OBJECTIVE: To test if carbachol (CCh)-evoked Ca2+ oscillations in freshly isolated murine detrusor myocytes are affected by beta3-adrenoceptor (beta-AR) modulators. MATERIALS AND METHODS: Isometric tension recordings were made from strips of murine detrusor, and intracellular Ca2+ measurements were made from isolated detrusor myocytes using confocal microscopy. Transcriptional expression of beta-AR sub-types in detrusor strips and isolated detrusor myocytes was assessed using reverse transcriptase-polymerase chain reaction (RT-PCR) and real time quantitative PCR (qPCR). Immunocytochemistry experiments, using a beta3-AR selective antibody, were performed to confirm that beta3-ARs were present on detrusor myocytes. RESULTS: The RT-PCR and qPCR experiments showed that beta1-, beta2- and beta3-AR were expressed in murine detrusor, but that beta3-ARs were the most abundant sub-type. The selective beta3-AR agonist BRL37344 reduced the amplitude of CCh-induced contractions of detrusor smooth muscle. These responses were unaffected by addition of the BK channel blocker iberiotoxin. BRL37344 also reduced the amplitude of CCh-induced Ca2+ oscillations in freshly isolated murine detrusor myocytes. This effect was mimicked by CL316,243, another beta3-AR agonist, and inhibited by the beta3-AR antagonist L748,337, but not by propranolol, an antagonist of beta1- and beta2-ARs. BRL37344 did not affect caffeine-evoked Ca2+ transients or L-type Ca2+ current in isolated detrusor myocytes. CONCLUSION: Inhibition of cholinergic-mediated contractions of the detrusor by beta3-AR agonists was associated with a reduction in Ca2+ oscillations in detrusor myocytes. PMID- 29211340 TI - Treatment-recalcitrant comedones. PMID- 29211341 TI - Chiral separation of lenalidomide by liquid chromatography on polysaccharide-type stationary phases and by capillary electrophoresis using cyclodextrin selectors. AB - Complementary techniques were applied for the investigation of the chiral recognition and enantiomeric resolution of lenalidomide using various cyclodextrins and polysaccharides as chiral selectors. The high-performance liquid chromatography enantioseparation of the anticancer drug was achieved using polysaccharide-type chiral stationary phases in polar organic mode. Elution order and absolute configuration were elucidated by combined circular dichroism spectroscopy and time-dependent density functional theory calculations after the isolation of pure enantiomers. Chiral selector dependent and mobile-phase dependent reversal of the enantiomer elution order was observed, and the nonracemic nature of the lenalidomide sample was also demonstrated. Eight anionic cyclodextrins were screened for their ability to discriminate between the uncharged enantiomers by using capillary electrophoresis. Only two derivatives presented chiral interactions, these cases being interpreted in terms of apparent stability constants and complex mobilities. The best results were delivered by sulfobutylether-beta-cyclodextrin, where quasi-equal stability constants were recorded and the enantiodiscrimination process was mainly driven by different mobilities of the transient diastereomeric complexes. The optimized high performance liquid chromatography (Chiralcel OJ column, pure ethanol with 0.6 mL/min flow rate, 40 degrees C) and capillary electrophoresis methods (30 mM sulfobutylether-beta-cyclodextrin, 30 mM phosphate pH 6.5, 12 kV applied voltage, 10 degrees C) were validated for the determination of 0.1% (R)-lenalidomide as a chiral impurity, which could be important if a racemic switch is achieved. PMID- 29211342 TI - Functional BKCa channel in human resident cardiac stem cells expressing W8B2. AB - Recently, a new population of resident cardiac stem cells (CSCs) positive for the W8B2 marker has been identified. These CSCs are considered to be an ideal cellular source to repair myocardial damage after infarction. However, the electrophysiological profile of these cells has not been characterized yet. We first establish the conditions of isolation and expansion of W8B2+ CSCs from human heart biopsies using a magnetic sorting system followed by flow cytometry cell sorting. These cells display a spindle-shaped morphology, are highly proliferative, and possess self-renewal capacity demonstrated by their ability to form colonies. Besides, W8B2+ CSCs are positive for mesenchymal markers but negative for hematopoietic and endothelial ones. RT-qPCR and immunostaining experiments show that W8B2+ CSCs express some early cardiac-specific transcription factors but lack the expression of cardiac-specific structural genes. Using patch clamp in the whole-cell configuration, we show for the first time the electrophysiological signature of BKCa current in these cells. Accordingly, RT-PCR and western blotting analysis confirmed the presence of BKCa at both mRNA and protein levels in W8B2+ CSCs. Interestingly, BKCa channel inhibition by paxilline decreased cell proliferation in a concentration-dependent manner and halted cell cycle progression at the G0/G1 phase. The inhibition of BKCa also decreased the self-renewal capacity but did not affect migration of W8B2+ CSCs. Taken together, our results are consistent with an important role of BKCa channels in cell cycle progression and self-renewal in human cardiac stem cells. PMID- 29211343 TI - Exploring Structure-Activity Relationships with Three-Dimensional Matched Molecular Pairs-A Review. AB - A matched molecular pair (MMP) consists of two small molecules that differ by a few atoms only. The minor structural difference between the molecules allows a detailed analysis of changes in properties. Three-dimensional (3D) MMPs extend the concept of chemical similarity by spatial similarity. Conformations must be generated, and superimpositions have to be calculated. The additional complexity and uncertainty as well as the smaller amount of available experimental data substantially complicates the derivation of models. Nonetheless, there are some benefits that make the transition worthwhile. The 3D concept gives detailed insight into mechanisms behind several methods classically used by the 2D MMP approach. It can help to analyze disrupted series of structure-activity relationships or extend the 2D MMP concept with scaffold hopping. One of the most powerful features is the high confidence structure-activity relationship transfer between series of analogues. Several research groups have approached the problem from different directions. The models vary especially in the 3D similarity measure used and complexity of the applied descriptor selected or designed. Nonetheless, all approaches have increased the amount of information available by incorporating 3D structural information. PMID- 29211344 TI - Preparation of silica microspheres with a broad pore size distribution and their use as the support for a coated cellulose derivative chiral stationary phase. AB - A templating strategy using crosslinked and functionalized polymeric beads to synthesize silica microspheres with a broad pore size distribution has been developed. The polymer/silica hybrid microspheres were prepared by utilizing the combination of a templating weak cation exchange resin, a structure-directing agent N-trimethoxysilylpropyl-N,N,N-trimethylammonium chloride, and a silica precursor tetraethyl orthosilicate. The silica microspheres were then obtained after calcinating the hybrid microspheres. The as-prepared materials were characterized by scanning electron microscopy, mercury intrusion porosimeter, and thermal gravimetric analysis. The results showed that the starting templating beads were about 5 MUm in diameter and the formed silica microspheres were less than 3 MUm with a pore size range of 10-150 nm, some pores were even extended to beyond 250 nm. It was demonstrated that cellulose tris(3,5 dimethylphenylcarbamate) was readily coated onto the surface of the as synthesized silica microspheres without any additional surface pretreatment. The coated silica microspheres were uniformly dispersed even with high loading of the chiral stationary phase, which exhibited high resolution chiral separations in high-performance liquid chromatography. PMID- 29211345 TI - pH-Responsive Polyacetal-Protein Conjugates Designed for Polymer Masked-Unmasked Protein Therapy (PUMPT). AB - Polymer masked-unmasked protein therapy (PUMPT) employs polymer conjugation to protect therapeutic proteins during transit through the bloodstream and allow controlled release at a disease site via triggered degradation of the polymeric component. Most reported PUMPT systems are based on the specific enzymatic degradation of the polymeric component to release the protein and reinstate its activity. In these cases, therapeutic output is dependent on the presence of the required enzyme at the disease site at a sufficiently high concentration. The present study aims to overcome this design limitation by using pH as the protein release trigger. An acidic-pH triggered PUMPT system is described herein employing biodegradable polyacetals (PAs) and trypsin as a model protein. While this system protects trypsin activity at the neutral pH of the bloodstream, acidic pH (characteristic of disease sites, tissue damage, or lysosomal compartments) contributes to PA degradation and the "unmasking" of protein activity. PMID- 29211346 TI - Chemogenomic Active Learning's Domain of Applicability on Small, Sparse qHTS Matrices: A Study Using Cytochrome P450 and Nuclear Hormone Receptor Families. AB - Computational models for predicting the activity of small molecules against targets are now routinely developed and used in academia and industry, partially due to public bioactivity databases. While models based on bigger datasets are the trend, recent studies such as chemogenomic active learning have shown that only a fraction of data is needed for effective models in many cases. In this article, the chemogenomic active learning method is discussed and used to newly analyze public databases containing nuclear hormone receptor and cytochrome P450 enzyme family bioactivity. In addition to existing results on kinases and G protein coupled receptors, results here demonstrate the active learning methodology's effectiveness on extracting informative ligand-target pairs in sparse data scenarios. Experiments to assess the domain of the applicability demonstrate the influence of ligand profiles of similar targets within the family. PMID- 29211347 TI - Long-term viral suppression and immune recovery during first-line antiretroviral therapy: a study of an HIV-infected adult cohort in Hanoi, Vietnam. AB - INTRODUCTION: Achieving viral suppression is key in the global strategy to end the HIV epidemic. However, the levels of viral suppression have yet to be described in many resource-limited settings. METHODS: We investigated the time to virologic failure (VF; defined as a viral load of >=1000 copies/ml) and changes in CD4 counts since starting antiretroviral therapy (ART) in a cohort of HIV infected adults in Hanoi, Vietnam. Factors related to the time to VF and impaired early immune recovery (defined as not attaining an increase in 100 cells/mm3 in CD4 counts at 24 months) were further analysed. RESULTS: From 1806 participants, 225 were identified as having VF at a median of 50 months of first-line ART. The viral suppression rate at 12 months was 95.5% and survival without VF was maintained above 90% until 42 months. An increase in CD4 counts from the baseline was greater in groups with lower baseline CD4 counts. A younger age (multivariate hazard ratio (HR) 0.75, vs. <30), hepatitis C (HCV)-antibody positivity (HR 1.43), and stavudine (d4T)-containing regimens (HR 1.4, vs. zidovudine (AZT)) were associated with earlier VF. Factors associated with impaired early immune recovery included the male sex (odds ratio (OR) 1.78), HCV-antibody positivity (OR 1.72), d4T-based regimens (OR 0.51, vs. AZT), and nevirapine-based regimens (OR 0.53, vs. efavirenz) after controlling for baseline CD4 counts. CONCLUSION: Durable high-rate viral suppression was observed in the cohort of patients on first-line ART in Vietnam. Our results highlight the need to increase adherence support among injection drug users and HCV co-infected patients. PMID- 29211348 TI - 14-3-3 proteins mediate inhibitory effects of cAMP on salt-inducible kinases (SIKs). AB - The salt-inducible kinase (SIK) family regulates cellular gene expression via the phosphorylation of cAMP-regulated transcriptional coactivators (CRTCs) and class IIA histone deacetylases, which are sequestered in the cytoplasm by phosphorylation-dependent 14-3-3 interactions. SIK activity toward these substrates is inhibited by increases in cAMP signaling, although the underlying mechanism is unclear. Here, we show that the protein kinase A (PKA)-dependent phosphorylation of SIKs inhibits their catalytic activity by inducing 14-3-3 protein binding. SIK1 and SIK3 contain two functional PKA/14-3-3 sites, while SIK2 has four. In keeping with the dimeric nature of 14-3-3s, the presence of multiple binding sites within target proteins dramatically increases binding affinity. As a result, loss of a single 14-3-3-binding site in SIK1 and SIK3 abolished 14-3-3 association and rendered them insensitive to cAMP. In contrast, mutation of three sites in SIK2 was necessary to fully block cAMP regulation. Superimposed on the effects of PKA phosphorylation and 14-3-3 association, an evolutionary conserved domain in SIK1 and SIK2 (the so called RK-rich region; 595 624 in hSIK2) is also required for the inhibition of SIK2 activity. Collectively, these results point to a dual role for 14-3-3 proteins in repressing a family of Ser/Thr kinases as well as their substrates. PMID- 29211349 TI - Evaluation of the cytotoxicity of selected conventional glass ionomer cements on human gingival fibroblasts. AB - BACKGROUND: Dentistry materials are the most frequently used substitutes of human tissues. Therefore, an assessment of dental filling materials should cover not only their chemical, physical, and mechanical characteristics, but also their cytotoxicity. OBJECTIVES: To compare the cytotoxic effects of 13 conventional glass ionomer cements on human gingival fibroblasts. MATERIAL AND METHODS: The assessment was conducted using the MTT test. Six samples were prepared for each material. Culture plates with cells and inserts with the materials were incubated at 37 degrees C, 5% CO2, and 95% humidity for 24 h. Then the inserts were removed, 1 mL of MTT was added in the amount of 0.5 mg/1 mL of the medium, and the samples were incubated in the described conditions without light for 2 h. The optical density was measured with an absorption spectrophotometer at a wavelength of 560 nm. RESULTS: The cytotoxic effects of the Argion Molar was significantly stronger than the Fuji Triage (p = 0.007), Chemfil Molar (p < 0.0001), and Ionofil Molar AC Quick (p < 0.001). The Fuji IX GP and Fuji IX Extra had a significantly stronger adverse effect than the Chemfil Molar (p = 0.014, p = 0.029, respectively) and Ionofil Molar AC Quick (p = 0.017, p = 0.034, respectively). The cements from the low cytotoxicity group were significantly more toxic vs materials whose presence resulted in fibroblast growth (p < 0.001). CONCLUSIONS: The research conducted indicates that, although the materials studied may belong to the same group, they are characterized by low, yet not uniform, cytotoxicity on human gingival fibroblasts. The toxic effects should not be assigned to a relevant group of materials, but each dentistry product should be evaluated individually. PMID- 29211350 TI - The angiotensin II receptors type 1 blockage affects the urinary bladder activity in hyperosmolar-induced detrusor overactivity in rats: Preliminary results. AB - BACKGROUND: Angiotensin II receptors play a role in the pathogenesis of urinary bladder dysfunction, especially in the case of bladder outlet obstruction. The function of these receptors in the detrusor overactivity (DO) still remains unclear. OBJECTIVES: The study aims to investigate some of the mechanisms through which hyperosmolarity induces urinary bladder overactivity. The effect of angiotensin II receptor type 1 - AT1 (telmisartan) on urinary bladder function in physiological state and in hyperosmolar-induced DO in rat model was explored. MATERIAL AND METHODS: Experiments were performed on 32 female Wistar rats. DO was induced by hyperosmolar saline intravesical instillation. Surgical procedures and cystometry were performed under urethane anesthesia. The measurements represent the average of 5 bladder micturition cycles. We analyzed: basal pressure, threshold pressure, micturition voiding pressure, intercontraction interval, compliance, functional bladder capacity, motility index and detrusor overactivity index. RESULTS: Intravesical hyperosmolar saline instillation induced DO. Telmisartan diminished the severity of hyperosmolar-induced DO. We observed a statistically significant increase of intercontraction interval (55%), functional bladder capacity (54%), compliance (140%). Also, a statistically significant decrease of detrusor overactivity index (18%) and motility index (9%) were observed. The difference of basal pressure, threshold pressure and micturition voiding pressure were not statistically significant. Moreover, telmisartan has no effect on urodynamic parameters in naive rats. CONCLUSIONS: Detrusor overactivity due to intravesical increased osmolarity seems to be at least partially mediated by AT1 receptors activity. On one hand, telmisartan diminished the severity of hyperosmolarinduced DO, and, on the other hand, has no effect on urodynamic parameters in naive rats. PMID- 29211351 TI - Application of Fourier transform infrared spectroscopy to biomolecular profiling of cultured fibroblast cells from Gaucher disease patients: A preliminary investigation. AB - BACKGROUND: Gaucher disease (GD) is defined as an autosomal recessive disorder resulting from the deficiency of glucocerebrosidase (E.C. 3.2.1.45). Glucocerebrosidase is responsible for the degradation of glucosylceramide into ceramide and glucose. The deficiency of this enzyme results in the accumulation of undegraded glucosylceramide, almost exclusively in macrophages. With Fourier transform infrared (FTIR) spectroscopy, the complete molecular diversity of the samples can be studied comparatively and the amount of the particular materials can be determined. Also, the secondary structure ratios of proteins can be determined by analysing the amide peaks. OBJECTIVES: The primary aim of this study is to introduce FTIR-ATR spectroscopy technique to GD research for the first time in the literature and to assess its potential as a new molecular method. MATERIAL AND METHODS: Primary fibroblast cell cultures obtained from biopsy samples were used, since this material is widely used for the diagnosis of GD. Intact cells were placed onto a FTIR-ATR crystal and dried by purging nitrogen gas. Spectra were recorded in the mid-infrared region between 4500-850 cm-1 wavenumbers. Each peak in the spectra was assigned to as organic biomolecules according to their chemical bond information. A quantitative analysis was performed using peak areas and we also used a hierarchical cluster analysis as a multivariate spectral analysis. RESULTS: We obtained FTIR spectra of fibroblast samples and assigned the biomolecule origins of the peaks. We observed individual heterogeneity in FTIR spectra of GD fibroblast samples, confirming the well-known phenotypic heterogeneity in GD at the molecular level. Significant alterations in protein, lipid and carbohydrate levels related to the enzyme replacement therapy were also observed, which is also supported by cluster analysis. CONCLUSIONS: Our results showed that the application of FTIR spectroscopy to GD research deserves more attention and detailed studies with an increased sample size in order to evaluate its potential in the diagnosis and follow-up of GD patients. PMID- 29211352 TI - Histopathological evaluation of the effect of locally administered strontium on healing time in mandibular fractures: An experimental study. AB - BACKGROUND: Mandibular fractures are the most common facial fractures. They can be treated by conservative techniques or by surgery. The authors hypothesized that the application of a single local dose of strontium chloride would accelerate the healing of subcondylar mandibular fractures, shorten the recovery time and prevent complications. OBJECTIVES: The aim of the present pilot study was to evaluate the effects of a single local dose of strontium chloride on the healing of subcondylar mandibular fractures in rats. MATERIAL AND METHODS: This randomized experimental study was carried out on 24 male Wistar albino rats. The rats were randomly divided into 3 groups: experimental group 1, receiving 3% strontium chloride; experimental group 2, receiving 5% strontium chloride; and the control group. A full thickness surgical osteotomy was created in the subcondylar area. A single dose of strontium solution (0.3 cc/site) was administered locally by injection on the bone surfaces of the fracture line created. Nothing was administered to the control group. The mandibles were dissected on postoperative day 21. The fractured hemimandibles were submitted to histopathological examination. RESULTS: The median bone fracture healing score was 9 (range: 7-9) in experimental group 1; 8 (range: 7-10) in experimental group 2; and 7.50 (range: 7-8) in the control group. When the groups were compared in terms of bone healing scores, there was a statistically significant difference between experimental group 1 and the control group (p < 0.05). CONCLUSIONS: This study is the first to show that local strontium may have positive effects on the healing of subcondylar mandibular fractures. In the authors' opinion, 3% strontium was beneficial for accelerating facial skeleton consolidation and bone regeneration in rat subcondylar mandibular fractures. This treatment procedure may be combined with closed fracture treatment or a conservative approach. PMID- 29211353 TI - Evaluation of NMP22 in bladder cancer patients sensitive to environmental toxins. AB - BACKGROUND: Bladder cancer (BC) is recognized as environmentally related. The interaction of environmental exposure to chemicals and genetic susceptibility seem to play important roles in BC development. In order to improve diagnosis and the recognition of BC risk, a group of markers which combine genetic susceptibility with detoxification and nuclear matrix protein (NMP22) is proposed. OBJECTIVES: The aim of the study was to examine the utility of nuclear matrix protein (NMP22) as a diagnostic marker in BC in genetic susceptibility (NAT2 slow acetylators) combined with detoxification abilities (glutathione S transferase GST and isoenzyme GST-pi). MATERIAL AND METHODS: The NMP22 level in urine, N-acetyltransferase 2 (NAT2) genotype and GST activity in hemolysate blood, as well as isoenzyme GST-pi level, were determined in the urine and serum of 43 patients with BC and from 25 non-cancer controls. NMP22 and isoenzyme GST pi levels were measured by ELISA. The NAT2 genotype was examined in DNA isolated from whole blood using the PCR (Polymerase Chain Reaction) technique, while the activity of GST was determined with the spectrophotometric method. RESULTS: In the BC group, NMP22 (p = 0.005) concentration, GST-pi (p = 0.003) in urine and GST (p = 0.009) activity in blood were statistically significantly higher than in the healthy controls. The majority of BC patients were slow acetylators (NAT2 genotype). A correlation between the level of nuclear matrix protein NMP22 and GST was found in all BC group (p = 0.007) and also slow acetylators (p = 0.0147). CONCLUSIONS: The results support the utility of a marker combination, which covers the genetic susceptibility to chemicals with the level of detoxification and nuclear matrix protein in BC patients. A relationship between NMP22 level in urine, GST level in blood and NAT2 genotype was observed. Also the isoenzyme GST pi in urine seems useful as a marker of BC. PMID- 29211354 TI - Correlations between iron content in knee joint tissues and chosen indices of peripheral blood morphology. AB - BACKGROUND: Iron as a cofactor of enzymes takes part in the synthesis of the bone matrix. Severe deficiency of iron reduces the strength and mineral density of bones, whereas its excess may increase oxidative stress. In this context, it is essential to determine the iron content in knee joint tissues. OBJECTIVES: The study objective was to determine the level of iron in the tissues of the knee joint, i.e., in the femoral bone, tibia and meniscus. MATERIAL AND METHODS: Material for analysis was obtained during endoprosthetic surgery of the knee joint. Within the knee joint, the tibia, femur and meniscus were analyzed. Samples were collected from 50 patients, including 36 women and 14 men. The determination of iron content was performed with the ICP-AES method, using Varian 710-ES. RESULTS: The lowest iron content was in the tibia (27.04 MUg/g), then in the meniscus (38.68 MUg/g) and the highest in the femur (41.93 MUg/g). Statistically significant differences were noted in the content of iron in knee joint tissues. CONCLUSIONS: In patients who underwent endoprosthesoplasty of the knee joint, statistically significant differences were found in the levels of iron in various components of the knee joint. The highest iron content was found in the femoral bone of the knee joint and then in the meniscus, the lowest in the tibia. The differences in iron content in the knee joint between women and men were not statistically significant. PMID- 29211355 TI - Tumor marker alpha-fetoprotein receptor does not discriminate between benign prostatic disease and prostate cancer. AB - BACKGROUND: The alpha-fetoprotein receptor (RECAF) is a proposed novel tumor marker for detecting several different types of tumors, including prostate cancer (PCa). OBJECTIVES: The aim of the study was to evaluate RECAF in discriminating benign prostatic conditions from PCa and to compare it with prostate-specific antigen (PSA). MATERIAL AND METHODS: A total of 64 patients with elevated serum PSA levels and/or abnormal digital rectal examination of the prostate referred to a tertiary center for transrectal ultrasound (TRUS) biopsy of the prostate were prospectively enrolled in the study from January 2009 to April 2010. Serum RECAF, total PSA (tPSA) and free PSA (fPSA) concentrations were measured. The results were correlated with histopathologic findings using the Mann-Whitney U test and Kruskal-Wallis chi2 test. RESULTS: The median RECAF concentration was 5.34 U/L in the benign pathology group of patients and 4.72 U/L in the malignant pathology group. The difference was not statistically significant. RECAF density, tPSA and fPSA concentrations and tPSA density were significantly different between the benign and malignant pathology groups (p = 0.033, p = 0.000, p = 0.002 and p = 0.000, respectively). RECAF concentration and RECAF density did not differ significantly in the subgroups of PCa patients stratified according to Gleason score, predominant primary Gleason grade or maximum primary Gleason grade, but in predominant secondary Gleason grade and maximum secondary Gleason grade, significant differences were found (p = 0.007 and p = 0.004, respectively). CONCLUSIONS: The results of the study did not confirm the RECAF tumor marker as an alternative way to discriminate between groups of patients with benign prostatic conditions and PCa, and its concentration and density do not differ among PCa histopathologic groups. PMID- 29211356 TI - Usefulness of carcinoembryonic antigen in the diagnosis of small cell lung cancer combined with adenocarcinoma. AB - BACKGROUND: Small cell lung cancer (SCLC) includes pure SCLC and SCLC combined with other pathologies (C-SCLC). C-SCLC accounts for about 28% of all SCLCs subjected to surgical resection, but only about 1%-3% of C-SCLCs are detected by biopsy. Since less than 5% of SCLC patients are eligible for surgery, it is necessary to develop alternative methods for the detection of C-SCLC. OBJECTIVES: We determined whether serum carcinoembryonic antigen (CEA) levels, which are usually elevated in lung adenocarcinomas, could be used to differentiate between pure SCLC and SCLC combined with adenocarcinoma. MATERIAL AND METHODS: We reviewed the records of 41 SCLC patients (35 with pure SCLC, 6 with C-SCLC) who underwent surgical resection between 2000 and 2014 in Zhejiang Cancer Hospital. Their preoperative serum CEA levels were noted, and the relationship between CEA level and the type of SCLC was analyzed. RESULTS: Serum CEA levels >6ng/mL were found more frequently in C-SCLC patients than in pure SCLC patients (p = 0.031). No such difference was observed when a CEA cut-off of 5ng/mL was used (p = 0.316). CONCLUSIONS: A preoperative serum CEA of >6ng/mL may be used as a reference in the diagnosis of SCLC combined with adenocarcinoma. PMID- 29211357 TI - Oxidative stress parameters in patients with prostate cancer, benign prostatic hyperplasia and asymptomatic inflammatory prostatitis: A prospective controlled study. AB - BACKGROUND: The imbalance between oxidant and reductant mechanisms creates a nidus for the etiopathogenesis of several diseases. In this study, we aimed to compare the oxidative stress (OS) parameters in patients who were diagnosed with prostate cancer (pCa), benign prostatic hyperplasia (BPH) or asymptomatic inflammatory prostatitis (AIP), according to the histopathologic examination of transrectal ultrasonographic prostate biopsy and transurethral prostate resection specimens. OBJECTIVES: In this study, we aimed to compare oxidative stress between histologically proven prostate cancer, hyperplasia and prostatitis. MATERIAL AND METHODS: According to histopathologic examinations, 97 patients were divided into 3 study groups: group 1: pCa (n = 30), group 2: BPH (n = 41), and group 3: AIP (n = 26). Finally, 30 patients were enrolled in a control group. MDA levels, CuZn-SOD, Se-GPx, CAT activities, and trace element levels were evaluated. RESULTS: A statistically significant difference between prostate cancer and other groups were documented in terms of MDA activity. Contrary to AIP, a statistically significant difference has also been encountered between BPH and the control group. Decreased CuZn-SOD enzyme levels were found in PCa and BPH patients without statistical significance. Increased CAT activity was also documented in PCa, BPH and AIP patients. No significant difference in GPX activity was documented between the groups, except BPH and control group. Trace element levels were low in the patients with prostate cancer and BPH when compared with the control group. CONCLUSIONS: Despite the data regarding OS in PCa patients, there is a paucity of data regarding BPH and especially AIP patients. Our study revealed obvious oxidative stress in BPH and PCa patients as opposed to AIP. Assessing the oxidative stress in these patients may assist in the future prevention, diagnosis and also treatment. However, the question whether the presence of OS-related parameters and drugs could be used for the diagnosis or management of prostatic diseases, needs to be addressed in future larger and better studies with a more rational basis. PMID- 29211358 TI - Chest HRCT findings in patients with primary Sjogren's syndrome. AB - BACKGROUND: Pulmonary manifestations (PMs) in primary Sjogren's syndrome (pSS) are among the most frequent extraglandular complications, with reported prevalence varying widely (9-75%), depending on the methods of detection. OBJECTIVES: The aim of this study was to assess the incidence of PMs in pSS and to determine the factors predisposing to the occurrence of this complication. MATERIAL AND METHODS: The study group consisted of 68 patients with pSS. Among the patients who were possibly affected by PMs, chest High Resolution Computed Tomography (HRCT) was performed. RESULTS: In the group of all patients afflicted with pSS, 30 people indicated the need to expand medical imaging via chest HRCT scan. (The most frequent reason, in 80%, was persistent, dry cough periodically waking up patients at night). The chest HRCT scan revealed lung tissue changes in the course of 29% of all examined patients (of 68). No correlation was found between the occurrence of HRCT changes and the age of patients (p = 0.8), increased CRP > 5 mg/1 (p = 0.1) or ESR > 20 mm/h (p = 0.9), focus score (p = 0.8), leucopenia (p = 0.5), RF value (p = 0.3), gamma globulin value (p = 0.5), intensity of eye and oral cavity dryness (p = 0.6; 0.3) and smoking cigarettes. Additionally, no correlation was found between more frequent occurrences of antibodies anti-SSA, anti-SSB or anti-Ro52 and HRCT changes (p = 0.3; 0.07; 0.4). Pertaining to the clinical signs, HRCT changes occurred more often only in patients suffering from peripheral arthritis (p < 0.01). CONCLUSIONS: PM is a frequent symptom of pSS. A factor predisposing to the development of changes in the respiratory system was not found. Changes in HRCT occur more frequently in patients with peripheral arthritis. PMID- 29211359 TI - Continent catheterizable conduits in pediatric urology: One-center experience. AB - BACKGROUND: Clean intermittent catheterization (CIC) is a standard treatment for patients who are unable to empty the bladder. In the absence of the urethra or if catheterization through the urethra is problematic, a continent vesicostomy is used as a catheterizable conduit. The Malone procedure is an established treatment option for children with neurogenic constipation and fecal incontinence. OBJECTIVES: The aim of the study was to report the authors' experience with continent catheterizable conduits (CCCs) in children, to review the results and to determine the efficacy of the technique, with an emphasis on continence and the need for revision. MATERIAL AND METHODS: The retrospective study involved children who underwent catheterizable conduit procedures from 2000 to 2015. Two kinds of continent stomas were performed: Mitrofanoff vesicostomies for CIC and Malone antegrade continence enemas (MACEs). The 115 patients treated included 66 girls and 49 boys. A total of 134 operations were performed; 62 were Mitrofanoff vesicostomies and 72 were Malone appendicostomies. In 19 cases, both Mitrofanoff and Malone appendicostomies were formed out of 1 appendix divided into 2 parts. In 5 children vesicocutaneous stomas were constructed using Monti's procedure, and in 1 it was constructed from an intussuscepted ileal loop. In 27 patients Malone procedures were performed laparoscopically. RESULTS: The mean follow-up period was 8.6 years. There was no serious morbidity in relation to the surgery. In 9 children local wound infection was noted, and in 9 others stomal stenosis developed. Out of the 62 children with catheterizable vesicostomies, 59 were continent. The MACE procedure was successful in all 72 patients; problems with constipation and fecal incontinence were resolved in all cases. None of the laparoscopies needed conversion. CONCLUSIONS: Continent catheterizable conduits help patients achieve both fecal and urinary continence. Laparoscopy is effective in performing the Malone procedure. Stoma-related complications could be avoided using end-to-side appendix anastomoses to the skin. Stomal incontinence is rare even when a simplified technique is employed, using the appendix without cecoplication. PMID- 29211360 TI - Cerebral venous thrombosis as a diagnostic challenge: Clinical and radiological correlation based on the retrospective analysis of own cases. AB - BACKGROUND: Cerebral venous thrombosis (CVT) is a rare condition which constitutes 0.5-1% of all strokes. The clinical and radiological picture of CVT is non-specific and can mimic other disorders. OBJECTIVES: The aim of the study was to retrospectively evaluate and correlate clinical and radiological symptoms presented by patients with CVT, both in the initial and follow-up neurological and neuroimaging examinations, with a special emphasis on diagnostic difficulties. MATERIAL AND METHODS: Material consisted of 11 patients with CVT (7 women, 4 men). The average age was 43.5, ranging from 23 to 69 years. Clinical symptoms, laboratory findings, risk factors and the results of neuroimaging examinations including CT, MRI and DSA were retrospectively analyzed and correlated. RESULTS: All subjects developed superficial CVT and 1 also deep CVT, with no parenchymal lesions in 2 cases, non-hemorrhagic infarctions in 3 and hemorrhagic lesions in 6 subjects. The most frequent symptoms were headache, seizures and hemiparesis. The major risk factors were hormonal therapies in women and congenital thrombophilia. Factors influencing the clinical course and outcome the most were location and type of brain lesions, with hemorrhagic cortical infarctions bringing the worst prognosis and being associated with the highest rate of persistent neurological deficits, despite the rate of vessel recanalization. CONCLUSIONS: In our opinion, quick diagnosis before parenchymal hemorrhagic lesions are visible on CT is of crucial importance and requires a constant alertness and good cooperation of neurologists and radiologists, especially in emergency settings. PMID- 29211361 TI - Accumulation of mutations in reverse transcriptase of hepatitis B virus is associated with liver disease severity in treatment-naive Chinese patients with chronic hepatitis B. AB - BACKGROUND: Mutations in reverse transcriptase (RT) of the hepatitis B virus (HBV) are demonstrated to be strongly associated with nucleos(t)ide analog resistance, which is supposed to be the biggest obstacle during the long-term anti-viral treatment of chronic hepatitis B. However, the presence of RT mutations in treatment-naive chronic hepatitis B patients and its clinical significance are not well known. OBJECTIVES: To investigate the significance of mutations in reverse transcriptase of the hepatitis B virus in treatment-naive Chinese patients with chronic hepatitis B. MATERIAL AND METHODS: In this study, 288 treatment-naive chronic HBV patients were recruited and the RT region was sequenced. The results showed that 71 patients (24.65%) were found with RT mutations, within which there were no well-defined primary nucleotide analog resistant mutations. RESULTS: There were a total of 28 mutant sites, which formed three dominant mutant clusters: rt124-139, rt191-212 and rt225-229. Among these 71 patients, 63.38% (45/71) of patients had a single mutation while 19.72% (14/71), 12.68% (9/71) and 4.23% (3/71) of patients had 2, 3 or 4 mutations, respectively. Patients with RT mutations showed significantly decreased serum baseline HBV DNA loads (p = 0.0363) and blood platelet count (p = 0.0181) than patients without RT mutations. Patients with multiple mutant sites (>= 2) had significantly decreased baseline HBV DNA loads (p = 0.0004) and blood platelet count (p = 0.0011) than patients with single mutant site. Moreover, the number of RT mutant sites is significantly associated with severity of liver fibrosis (p = 0.0128). CONCLUSIONS: This study demonstrated that there was a prevalence of RT mutations in treatment-naive chronic hepatitis B patients, which reflects a tougher liver environment for the virus and deeper liver injury for the host. Accumulation of RT mutations was associated with liver disease severity in treatment-naive chronic hepatitis B patients. PMID- 29211362 TI - Clinical differences of Helicobacter pylori infection in children. AB - Helicobacter pylori infection is widely spread all over the world. The prevalence of H. pylori infection in the world varies and depends on numerous factors such as age, ethnicity, geographical and socioeconomic status. Humans have been in a symbiotic relationship with this bacterium for thousands of years. However 10-20% of people infected with H. pylori are likely to develop gastroduodenal diseases such as peptic ulcer disease, iron deficiency anemia, gastric mucosal atrophy, metaplasia, dysplasia, MALT lymphoma, or gastric adenocarcinoma. Most of these diseases develop as the infection progresses and they are likely to occur later in life among the elderly. In the following years, the use of modern molecular techniques has led to the discovery of new Helicobacter strains and their genotypic differentiation. Newly discovered Helicobacter microorganisms can colonize human gastrointestinal tract and bile ducts. This article summarizes the distinct features of H. pylori infection in children including its prevalence, clinical manifestation, indications for treatment and recommended schemes of eradication. PMID- 29211363 TI - Hierarchical potential differentiation of liver cancer stem cells. AB - Hepatocellular carcinoma (HCC) is one of the most malignant tumors in Chinese people and offers poor prognosis. Tumor tissue, like normal tissue, is hierarchically differentiated. Thus, minor tumor cell populations able to differentiate, such as stem cells, sustain tumor self-renewal and proliferation. The fact that liver cancer stem cells (CSCs) with different surface markers appear heterogeneous with respect to oncogenesis and drug resistance indicates that subpopulations of surface markers preserve the hierarchical potential of differentiation during proliferation, deterioration and relapse. The epithelial to mesenchymal transition (EMT) is correlated to tumor malignancy and aggression, and hepatocytes bearing EMT have obvious hierarchical differentiation potential with respect to signaling pathways such as transforming growth factor beta, Wnt/beta-catenin and microRNA. Therefore, it may be more effective for early diagnosis to monitor HCC recurrence using peripherally circulating CSCs, and these may also offer potential for HCC immunotherapy or for targeting HCC treatment using these markers. Thus, we reviewed the generation, hierarchical differentiation and clinical application of hepatic CSCs. PMID- 29211364 TI - Insights into novel anticancer applications for apigenin. AB - Flavonoids, naturally occuring derivatives of 2-phenyl-benzo-gamma-pyrone, are widespread in plants as coloring substances. Apigenin (4',5,7,-trihydroxyflavone (5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one), molecular formula C15H10O5, is a flavonoid present in many fruits and vegetables, primarily in citrus fruits, apples, parsley and celery leaves. It is also found in some medicinal plants, including chamomile flowers, thyme, oregano, peppermint, lemon balm and yarrow, as a 7-O-glycoside with anti-inflammatory and antioxidant activity. In recent years it has attracted a great deal of interest as a bioactive substance reported to have anticancer properties. According to recent literature data, apigenin is able to reduce cancer cell glucose uptake, inhibit remodeling of the extracellular matrix, inhibit cell adhesion molecules that participate in cancer progression and hinder the development of blood vessels needed by growing tumors. It is reported to protect against a wide variety of cancers. The mechanism of anticancer activity is still under investigation and further research is needed. PMID- 29211365 TI - Oral cavity health among cystic fibrosis patients: Literature overview. AB - Cystic fibrosis is a genetic disorder in which the mutation of the Cystis Fibrosis Transmembrane Conductance Regulator (CFTR) gene that codes the protein forming a chloride channel of epithelial cells results in its distorted functioning. The manifestations of the disorder are mainly observed in the respiratory and digestive system. Accumulation of sticky and thick mucus is the dominant clinical symptom; it leads to chronic infections and gradual tissue destruction. Although cystic fibrosis remains incurable, it is currently feasible to extend patients' life expectancy thanks to modern therapy possibilities. As cystic fibrosis is no longer the domain of pediatricians, health care to CF patients needs to be provided by doctors of various specializations. The multidisciplinary team of doctors should include a dentist aware of specific prevention and treatment needs of this group of patients. It results from the fact that in the course of cystic fibrosis it is possible to observe a variety of changes in the oral cavity environment. The study presents dental issues observed in CF patients and reported in literature. Particular attention was paid to dental caries, mineralization disorders of hard dental tissues, gingivitis and the change in the content and properties of saliva; moreover, prevention and treatment options regarding oral cavity health is this group of patients were taken into consideration. PMID- 29211366 TI - Trace metal ions release from fixed orthodontic appliances and DNA damage in oral mucosa cells by in vivo studies: A literature review. AB - An overview of professional literature referring to the release of metal ions from fixed orthodontic appliances and their influence on oral mucosa in conditions of in vivo are presented, along with a detailed analysis of the exposure of the cells of cheek mucosa epithelium to metal ions. Electronic databases (PubMed, Elsevier, Ebsco) were searched with no language restrictions. The relevant orthodontic journals and reference lists were checked for all eligible studies. A total of 38 scientific articles were retrieved in the initial search. However, only 7 articles met the inclusion criteria. Statistically significant differences in the levels of the amount of nickel ions, cobalt ions and chromium ions were observed in cells of cheek mucosa. The most biocompatible material used in the production of fixed orthodontic appliances is titanium, and the least biocompatible material is steel, which releases the largest amount of nickel and chromium. Metal ions are released from fixed orthodontic appliances only in the first phase of treatment. It is recommended to conduct further, long term research on a larger number of patients to define the influence of using fixed orthodontic appliances and biological effect they might have on tissues. PMID- 29211367 TI - Coronary artery disease: New Insights into revascularization treatment of diabetic patients. AB - Diabetes mellitus is an independent cardiovascular risk factor, considered an equivalent of coronary artery disease in terms of prognosis. A history of acute coronary syndrome is a strong predictor of another coronary episode, and cardiovascular complications are the leading cause of mortality in diabetic patients. Many patients with coronary artery disease suffer from concomitant diabetes or pre-diabetes. There are 3 strategies of coronary artery disease treatment: conservative management, coronary artery bypass graft (CABG) and percutaneous coronary intervention (PCI). Since drug-eluting stents (DES) were developed, PCI has become one of the most widespread interventional cardiology procedures performed in Europe and worldwide. Among all coronary risk factors, diabetes mellitus remains the most important predictor of unfavorable outcomes of revascularization therapy. This paper reviews the current evidence regarding revascularization in diabetic patients, with particular emphasis on PCI. A systematic analysis of clinical trials of CABG and PCI, especially with DES, was conducted. PMID- 29211368 TI - ? PMID- 29211369 TI - [Rare vascular diseases, building dedicated multidisciplinary specialized center]. AB - Rare Vascular Diseases (RVD) encompass different types of vessel involvement. Some cause a dilation, others a weakening or tortuosity of the arterial wall, others an obstruction or excessive calcification of arterial walls. Clinical pathway of patients with RVD to diagnosis is often long and complex. Thus, in order to allow early diagnosis and coordinated multidisciplinary management and follow-up, a specialized RVD centre has been set-up at the CHUV, following the framework of the national concept of rare diseases. PMID- 29211370 TI - [The treatment of venous malformations in adult patients: the role of US-guided sclerotherapy]. AB - Venous malformations are slow flow dysplastic lesions, constituted by a vascular nest without arterial or capillary connections, more or less independent of the normal venous anatomy and circulation. In certain cases a treatment is required for symptom relief or for natural complications management. The percutaneous sclerotherapy under ultrasound guidance is increasingly used as an effective and mini-invasive option, allowing obtaining very good results with minor side effects. Several substances have been used with different efficacy and side effects rate. We review the literature and present some cases. PMID- 29211371 TI - [Primary lymphedema]. AB - Characterized by an aplasia, hypoplasia or dysplasia of the lymphatic network, the primary lymphedema takes part of rare diseases. If 10 % of cases are congenital, the majority of them are detected before 35 years, most of the time due to an intercurrent event suh as a sprain or an infection. Although rarer, some primaries lymphedemas are family forms such the syndromes of Milroy and Meige. The primary lymphedema can also be a part of more complex malformative diseases such as Klinefelter, Turner or Noonan syndromes. If the lymphatic drainage associated with the elastic contention remains the basis care of lymphedema, we have to identify these patients as well as their family, sometimes requiring multidisciplinary cares. PMID- 29211372 TI - [Thromboangiitis obliterans: notions for practice]. AB - Thromboangiitis obliterans is an occlusive vasculopathy affecting small- and medium-size arteries. It can result in severe ischemic status. Thrombophlebitis can be associated. The exact etiology has still to be elucidated. Smoking is the main contributing factor. Diagnosis is based on clinic and paraclinic context, as well as exclusion of other vascular pathologies. Its management consists in complete smoking cessation and instauration of vasodilator treatment. Revascularization is an option that has to be evaluated on a case by case basis. New promising therapeutic approaches are emerging. PMID- 29211373 TI - [Deep vein thrombosis in uncommon localisations]. AB - Venous thromboembolism (VTE) with its two components, deep vein thrombosis (DVT) and pulmonary embolism (PE), is a common disease with an incidence of 0,75 2,69/1000. Deep vein thrombosis is localized in unusual sites in about 10 %, and rare DVT's have specific symptoms and risk factors. Uncommon DVT's are often related to local factors, inflammation, cancer, hematologic diseases and thrombophilia. Their diagnostic workup is less straightforward than in suspected VTE of lower limbs and PE, and rare DVT's are often unexpected findings of imaging studies. By extrapolating evidence of lower limbs VTE, most rare DVT are treated by anticoagulants, except retinal vein thrombosis. However, evidence for the type and duration of anticoagulation is limited. PMID- 29211374 TI - [Splanchnic vein thrombosis]. AB - Splanchnic vein thromboses include thrombosis of the portal venous system (including the portal, mesenteric and splenic vein) and hepatic vein thrombosis (also called Budd-Chiari syndrome). They are rare manifestations of venous thromboembolism. These thromboses are frequently associated with local or systemic factors. The therapeutic approach is often complex due to heterogeneity of patients and limited available data in the literature. The cornerstone of treatment is anticoagulation. However, the bleeding risk, related to portal hypertension, should be accurately assessed to individualize the treatment. A multidisciplinary consultation team including several specialists is provided at the University Hospitals of Geneva for the optimal management of those patients. PMID- 29211375 TI - ? PMID- 29211376 TI - ? PMID- 29211377 TI - ? PMID- 29211378 TI - ? PMID- 29211379 TI - ? PMID- 29211380 TI - ? PMID- 29211381 TI - Cleft lip and palates and breastfeeding. PMID- 29211382 TI - Rebel Heart: How an elite team of Air Force Pararescuemen saved a sick baby a thousand miles out at sea. PMID- 29211383 TI - Perspectives of key stakeholders and experts in infant feeding on the implementation of the Australian National Breastfeeding Strategy 2010-2015. AB - Breastfeeding is widely accepted as an important public health issue for babies and their mothers. Yet, despite this, Australia continues to struggle with reaching global targets for breastfeeding indicators. In 2007, the Best Start Parliamentary Inquiry Report was released and set the stage for the Australian National Breastfeeding Strategy [2010-2015), which was announced in November 2009, with the vision to increase Australia's breastfeeding rates of infants at 6 months of age and beyond. The aim of this research project was to explore the perspectives of key stakeholders in the field of infant feeding in Australia on the implementation of the strategy, barriers and enablers to its successful implementation and actions that were still needed. Using qualitative research methods of in-depth, semi-structured interviews and thematic analysis, this study identifies main themes of these perceptions about the strategy implementation and some recommendations for future strategies and further research. The main themes identified were initial opinions of the strategy as a blueprint for action, the strategy as a driver for action, lessons learned and recommendations for the future. For success in improving implementation of national breastfeeding strategies, it is recommended that Australia establish an independent breastfeeding/infant feeding committee, increase the political prioritisation of issues surrounding infant feeding and strengthen the regulation of the marketing of breastmilk substitutes. PMID- 29211384 TI - New Zealand women talk about breastfeeding support from male family members. AB - AIM: Little research has been done to investigate the influence of male family members' support for breastfeeding. This article considers the influence of male partners and other male family members on the initiation and duration of exclusive breastfeeding. METHODS: Thirty heterosexual New Zealand women who had identified in a short antenatal questionnaire that they intended to breastfeed exclusively for 6 months were recruited. The qualitative research included a face to-face postpartum interview followed by monthly audio-recorded telephone interviews that stopped at 6 months. The participants' narratives were analysed using thematic analysis. KEY FINDINGS: Five key themes related to breastfeeding support from male family members were identified: a) male partners did not have enough knowledge about breastfeeding, b) male partners wanted to share infant feeding, c) participants received emotional and practical support from their male partners, d) male partners supported breastfeeding in public, e) some women received crucial breastfeeding support from male family members who were not the father of the baby. CONCLUSION: Comments from participants suggest that some New Zealand men are actively involved in supporting breastfeeding in their nuclear and extended families. Several participants suggested that male support was as effective as support from female family members. PMID- 29211385 TI - Bringing babies and breasts into workplaces: Support for breastfeeding mothers in workplaces and childcare services at the Australian National University. AB - In 1999, two leading Australian academics challenged Australian universities to lead moves to better manage employees' maternity and breastfeeding needs, and 'bring babies and breasts into workplaces'. This paper addresses the question of how universities cope with the need for women to breastfeed, by exploring barriers facing women who combine breastfeeding and paid work at the Australian National University (ANU). Data were collected through online surveys in 2013 using mixed method, case study design, nested within a larger national study. Participants were 64 working mothers of children aged 0-2 years from the ANU community of employees and users of on-campus child care. Responses highlighted the ad hoc nature of support for breastfeeding at ANU. Lack of organisational support for breastfeeding resulted in adverse consequences for some ANU staff. These included high work-related stresses and premature cessation of breastfeeding among women who had intended to breastfeed their infants in line with health recommendations. PMID- 29211387 TI - Iconic Moments in EMS: Recognizing the moments, people, technologies and ideas that shaped modern EMS. PMID- 29211386 TI - Blood Therapy: Considerations for using blood products for prehospital trauma patients. PMID- 29211388 TI - Scene Safety Signs: Evaluating industrial hazmat team maturity provides vital scene safety information. PMID- 29211389 TI - Still LEAPing to wrong conclusions? PMID- 29211390 TI - Engaging mothers: Breastfeeding experiences recounted (EMBER). A pilot study. AB - BACKGROUND: There is an abundance of published literature that describes the short- and long-term effects of breastfeeding for both the infant and mother. Despite the majority of women having good intentions to breastfeed, challenges that they encounter place their breastfeeding journey in jeopardy. Improving breastfeeding rates and durations is a significant public health priority at a local, national and international level. AIM: This pilot study aimed to identify and describe participating women's breastfeeding experiences in order to better understand why some achieve their breastfeeding goals, despite experiencing challenge and others do not. METHOD: A qualitative methodology was chosen to allow these mothers to have their voices heard. Twenty Australian Breastfeeding Association trainee counsellors, who were undertaking the Certificate IV in Breastfeeding Education, gave permission for the examination and analysis of their de-identified reflections on their own breastfeeding experiences. Data was examined and thematically analysed into identified themes. RESULTS: Participants' breastfeeding experiences were identified into six themes: 1. expectation of breastfeeding, 2. motivation to breastfeed, 3. support to maintain breastfeeding, 4. returning to work, 5. the experience of breastfeeding and 6. social attitude to public breastfeeding. The responses and experiences were varied, with each woman describing a particular event that had a significant impact on her breastfeeding journey. CONCLUSION: It is not completely understood why some mothers continue with their breastfeeding journey, whilst others discontinue earlier than they had planned. Women in this pilot study reported that support, acceptability of breastfeeding to their family and social circle, public breastfeeding, issues around infant sleep and maternal fatigue were all significant issues for them as they navigated breastfeeding for the first time. : Findings from this pilot study will be used to inform the development of a larger study which will further explore women's decision making, as well as identify what supports are needed to improve women's experience of breastfeeding. PMID- 29211391 TI - Feelings of failure: Early weaning. AB - ... it was horrible - a difficult, painful and agonizing process. ... Nothing I tried made it anything but torture. Finally, my son got a mouthful of blood, and I gave up. I felt like a failure. It added to my depression, made me question my ability to mother, and caused my infant to lose too much weight. (The American Dietetic Association's) position paper has no loopholes for us 'failures', no compassion for those of us too poor to rent an electric pump ... Could you please let us off the hook? (Saban, 2002, p. 24) I can't say what a devastating experience failing to breastfeed Bianca was for me. I was left feeling like I'd failed her as a mother, and even as a woman. I found it difficult to talk about, and was loath to bottle feed Bianca in public. PMID- 29211392 TI - Low level laser therapy for breastfeeding problems. AB - Breast and nipple pain, nipple damage and mastitis are common reasons given by women for their early cessation of breastfeeding. There are a limited number of effective therapies available to support healing of damaged nipples during lactation. Low level laser therapy is a painless treatment, which appears to accelerate wound healing and ease pain. We present two case studies, which demonstrate the use of low level laser therapy in clinical practice. PMID- 29211393 TI - The impact of metformin use on the risk of prostate cancer after prostate biopsy in patients with high grade intraepithelial neoplasia. AB - PURPOSE: We report our experience on metformin use in diabetic patients and its impact on prostate cancer (PCa) after a high-grade prostatic intraepithelial neoplasia (HGPIN) diagnosis. MATERIALS AND METHODS: We retrospectively analyzed 551 patients with a diagnosis of HGPIN without PCa in a first prostate biopsy. The cohort of the study consisted of 456 nondiabetic subjects, and 95 diabetic patients. Among the patients with diabetes 44 were treated with metformin, and 51 with other antidiabetic drugs. A transrectal ultrasound prostate biopsy scheme with 22 cores was carried out 4-6 months after the first diagnosis of HGPIN. RESULTS: Among 195 (35.4%) patients with cancer, there were statistically significant differences in terms of PCa detection (p<0.001), Gleason score distribution (p<0.001), and number of positive biopsy cores (pv0.002) between metformin users and non-users. Metformin use was associated with a decreased risk of PCa compared with neveruse (p<0.001). Moreover, increasing duration of metformin assumption (>=2 years) was associated with decreasing incidence of PCa and higher Gleason score >=7 compared with assumption <2 years. CONCLUSIONS: This preliminary experience suggests that metformin use may have some beneficial effects in patients with diabetes and HGPIN; metformin should not be overlooked in these patients because it is neither new nor expensive. PMID- 29211395 TI - Left ureteral appendiceal interposition: exercise caution and do not be mislead by postoperative radiological obstruction. AB - Postoperative imaging after appendiceal ureteral interposition may be difficult to interpret, misguiding the urologist towards intervention. We present a case in which radiological obstruction was not endorsed by a 99TcDTPA nephrogram, with favorable outcome after conservative treatment. PMID- 29211394 TI - Ureteroileal bypass: a new technic to treat ureteroenteric strictures in urinary diversion. AB - OBJECTIVE: To present our technique of ureteroileal bypass to treat uretero enteric strictures in urinary diversion. MATERIALS AND METHODS: One hundred and forty-one medical records were reviewed from patients submitted to radical cystectomy to treat muscle-invasive bladder cancer between 2013 and 2015. Twelve (8.5%) patients developed uretero-enteric anastomotic stricture during follow-up. Five patients were treated with endoscopic dilatation and double J placement. Four were treated surgically with standard terminal-lateral implantation. Three patients with uretero-enteric anastomotic stricture were treated at our institution by "ureteroileal bypass", one of them was treated with robotic surgery. RESULTS: All patients had the diagnosis of uretero-enteric anastomotic stricture via computerized tomography and DTPA renal scan. Time between cystectomy and diagnosis of uretero-enteric anastomotic stricture varied from five months to three years. Mean operative time was 120+/-17.9 minutes (98 to 142 min) and hospital stay was 3.3+/-0.62 days (3 to 4 days). Mean follow-up was 24+/ 39.5 months (6 to 72 months). During follow-up, all patients were asymptomatic and presented improvement in ureterohydronephrosis. Serum creatinine of all patients had been stable. CONCLUSIONS: Latero-lateral ureter re-implantation is feasible by open or even robotic surgery with positive results, reasonable operation time, and without complications. PMID- 29211396 TI - Retroperitoneal approach for robot-assisted partial nephrectomy: technique and early outcomes. AB - OBJECTIVES: The aim of our study is to present early outcomes of our series of retroperitoneal-RAPN (Robot Assisted Partial Nephrectomy). MATERIALS AND METHODS: From September 2010 until December 2015, we performed 81 RAPN procedures (44 at left kidney and 37 at right). Average size was 3cm (1-9). Average PADUA score 7.1 (5-10). Average surgical time (overall and only robot time), ischemia time, blood loss, pathological stage, complications and hospital stay have been recorded. RESULTS: All of the cases were completed successfully without any operative complication or surgical conversion. Average surgical time was 177 minutes (75 340). Operative time was 145 minutes (80-300), overall blood loss was 142cc (60 310cc). In 30 cases the pedicle was late clamped with an average ischemia time of 4 minutes (2-7). None of the patient had positive surgical margins at definitive histology (49pT1a, 12pT1b, 3pT2a, 2pT3a). Hospital stay was 3 days (2-7). CONCLUSIONS: The retroperitoneal robotic partial nephrectomy approach is safe and allows treatment of even quite complex tumors. It also combines the already well known advantages guaranteed by the da Vinci(r) robotic surgical system, with the advantages of the retroperitoneoscopic approach. PMID- 29211397 TI - Efficacy of targeted therapy for advanced renal cell carcinoma: a systematic review and meta-analysis of randomized controlled trials. AB - We conducted a systematic review and meta-analysis of the literature on the efficacy of the targeted therapies in the treatment of advanced RCC and, via an indirect comparison, to provide an optimal treatment among these agents. A systematic search of Medline, Scopus, Cochrane Library and Clinical Trials unpublished was performed up to Jan 1, 2015 to identify eligible randomized trials. Outcomes of interest assessing a targeted agent included progression free survival (PFS), overall survival (OS) and objective response rate (ORR). Thirty eligible randomized controlled studies, total twentyfourth trails (5110 cases and 4626 controls) were identified. Compared with placebo and IFN-alpha, single vascular epithelial growth factor (receptor) tyrosine kinase inhibitor and mammalian target of rapamycin agent (VEGF(r)-TKI & mTOR inhibitor) were associated with improved PFS, improved OS and higher ORR, respectively. Comparing sorafenib combination vs sorafenib, there was no significant difference with regard to PFS and OS, but with a higher ORR. Comparing single or combination VEGF(r)-TKI & mTOR inhibitor vs BEV + IFN-alpha, there was no significant difference with regard to PFS, OS, or ORR. Our network ITC meta-analysis also indicated a superior PFS of axitinib and everolimus compared to sorafenib. Our data suggest that targeted therapy with VEGF(r)-TKI & mTOR inhibitor is associated with superior efficacy for treating advanced RCC with improved PFS, OS and higher ORR compared to placebo and IFN-alpha. In summary, here we give a comprehensive overview of current targeted therapies of advanced RCC that may provide evidence for the adequate targeted therapy selecting. PMID- 29211398 TI - The effect of AST/ALT (De Ritis) ratio on survival and its relation to tumor histopathological variables in patients with localized renal cell carcinoma. AB - PURPOSE: To assess the relationship between De Ritis (aspartate aminotransaminase [AST]/Alanine aminotransaminase [ALT]) ratio and pathological variables and whether it is an independent prognostic factor. MATERIALS AND METHODS: We analyzed 298 consecutive patients who underwent radical or partial nephrectomy for non-metastatic renal cell carcinoma (RCC) between 2006 and 2015. The association between De Ritis ratio and pathological variables including tumor size, presence of renal vein invasion, vena cava invasion, renal capsule infiltration, Gerota fascia invasion, renal sinus involvement, renal pelvic invasion, angiolymphatic invasion, adrenal gland involvement, lymph node involvement, tumor necrosis, and Fuhrman's grade was tested. Multivariable Cox analysis was performed to evaluate the impact of this ratio on overall survival and cancer-specific survival. RESULTS: An increased preoperative De Ritis ratio was significantly associated with renal vein invasion, renal capsule infiltration and renal pelvis involvement (p<0.05) in non-metastatic RCC. On multivariate analysis we found that tumor size, Fuhrman grade and lymph node involvement were independent prognostic factors for cancerspecific survival. AST/ALT ratio had no influence on the risk of overall and cancerspecific survival. CONCLUSION: An increased preoperative AST/ALT ratio had a significant association with renal vein invasion, renal capsule infiltration and renal pelvis involvement in patients with non-metastatic RCC. However, it does not appear to be an independent prognostic marker in non-metastatic RCC. PMID- 29211399 TI - OAB score: a clinical model that predicts the probability of presenting overactive detrusor in the urodynamic study. AB - PURPOSE: To create a predictive model of involuntary detrusor contraction (IDC) to improve the diagnostic accuracy of overactive detrusor (OAD), associating overactive bladder (OAB) symptoms with other clinical parameters in the female population. MATERIALS AND METHODS: A total of 727 women were studied retrospectively. In all of them, urodynamic study was conducted for urogynecological causes. Demographics information, personal history, symptoms, physical exam, a 3-day frequency/volume chart and urinary culture, were collected in all patients and they subsequently underwent uroflowmetry and urodynamic studies. A logistic regression model was performed in order to determine independent predictors of presence of IDC. Odd ratio (OR) estimation was used to assign a score to each one of the significant variables (p<=0.05) in the logistic regression model. We performed a ROC curve in order to determine the predictive ability of the score in relation to the presence of OAD. RESULTS: presence of OAD was evident in 210 women (29%). In the logistic regression analysis, independent predictors of OAD were urgency, urgency incontinence, nocturia, absence of SUI symptoms, diabetes mellitus, reduction of vaginal trophism and bladder capacity below 150 mL. The probability of IDC diagnosis increases as the score raises (Score 0: 4% until Score >=10: 88%). Sensitivity was 71% and specificity 72%. The area under the curve of OAB score was 0.784 (p>0.001). CONCLUSIONS: OAB score is a clinical tool that shows higher diagnostic accuracy than OAB symptoms alone to predict overactive detrusor. PMID- 29211400 TI - Robot-Assisted Nephropexy. AB - INTRODUCTION: Renal ptosis is defined as the renal descent when there is a change from supine to orthostatic position, usually with a change of two vertebral bodies or more than five cm apart. Although rare, it is one of the causes of chronic flank pain or of upper abdomen. The typical patient of renal ptosis is young, female, thin, with complaint of pain when in an upright position (1, 2). OBJECTIVE: Demonstrate a robot-assisted nephropexy technique in a young woman diagnosed with symptomatic renal ptosis on the right kidney, confirmed by imaging tests. MATERIALS AND METHODS: A 29-year-old female patient with a history of chronic right-sided pain and palpable renal mobility on physical examination. The diagnosis of renal ptosis was confirmed by ultrasound imaging, excretory urography (Figure -1), and renal scintigraphy with 99mTc-DTPA (Figure-2). She was submitted to a robotic-assisted right nephropexy with a polypropylene mesh fixing the right kidney to the ipsilateral psoas muscle fascia. RESULT: We reported a 96 minute surgical time. The patient was discharged in the first postoperative day. At the one-month follow-up, there was an important improvement of the symptoms, with normality renal function and imaging tests describing adequate renal positioning. CONCLUSIONS: Robotic-assisted nephropexy is feasible and can be an excellent minimally invasive alternative technique for the proposed surgery. We reported a shorter hospital stay and a faster postoperative recovery compared with the opened procedure. PMID- 29211401 TI - Extrarenal Angiomyolipoma: differential diagnosis of retroperitoneal masses. PMID- 29211402 TI - Sonographic patterns of Peyronie's disease in patients with absence of palpable plaques. AB - PURPOSE: Non-palpable isolated septal plaques of the penis are likely present in a significant number of patients affected by erectile dysfunction (ED) and penile pain without deformity or curvature. The aim of this study was to evaluate the ultrasound (US) patterns observed in patients investigated for ED or penile pain without curvature. MATERIALS AND METHODS: We reviewed the medical records of 386 patients who underwent an initial colour-Doppler ultrasonography (CDU) of the penis for DE and/or penile pain without curvature. After satisfying inclusion criteria, 41 patients were individualized. All patients had a non-palpable plaque with involvement of the penile septum. Three US patterns were identified: focal hyperecoic thickening of the intercavernosum septum (IS) with acoustic shadow (pattern 1), non-calcified thickening (isoechoic or slightly hyperechoic (pattern 2), and microcalcifications in the IS without associated acoustic shadow (pattern 3). RESULTS: Patients' mean age was 51.3+/-16.7. ED was the predominant disorder in 73.2% of patients, followed by penile pain and length loss in 19.5% and 7.3% of patients, respectively. 32(78.1%) patients showed the pattern 1, 6 (14.6%) pattern 2, and 3 (7.3%) pattern 3. Plaques size varied from 3 to 13 mm. The penile hemodynamic response to CDU reported abnormal findings distally to the septal plaques in 20 patients (<25cm/sec). Median left and right cavernosum artery flows measured a peak systolic velocity of 31cm/sec and 33 cm/sec, respectively. CONCLUSIONS: We believe that an US study with CDU provides a way to characterize, localize, and deliver treatment choice in patients with Peyronie's Disease. PMID- 29211403 TI - The role of fetal-maternal microchimerism as a natural-born healer in integrity improvement of maternal damaged kidney. AB - PURPOSE: To identify the fetal stem cell (FSC) response to maternal renal injury with emphasis on renal integrity improvement and Y chromosome detection in damaged maternal kidney. MATERIALS AND METHODS: Eight non-green fluorescent protein (GFP) transgenic Sprague- Dawley rats were mated with GFP-positive transgenic male rats. Renal damage was induced on the right kidney at gestational day 11. The same procedure was performed in eight non-pregnant rats as control group. Three months after delivery, right nephrectomy was performed in order to evaluate the injured kidney. The fresh perfused kidneys were stained with anti GFP antibody. Polymerase chain reaction (PCR) assay was also performed for the Y chromosome detection. Cell culture was performed to detect the GFP-positive cells. Technetium-99m-DMSA renal scan and single-photon emission computed tomography (SPECT) were performed after renal damage induction and 3 months later to evaluate the improvement of renal integrity. RESULTS: The presence of FSCs was confirmed by immune histochemical staining as well as immunofluorescent imaging of the damaged part. Gradient PCR of female rat purified DNA demonstrated the presence of Y-chromosome in the damaged maternal kidney. Moreover, the culture of kidney cells showed GPF- positive cells by immunofluorescence microscopy. The acute renal scar was repaired and the integrity of damaged kidney reached to near normal levels in experimental group as shown in DMSA scan. However, no significant improvement was observed in control group. CONCLUSION: FSC seems to be the main mechanism in repairing of the maternal renal injury during pregnancy as indicated by Y chromosome and GFP-positive cells in the sub-cultured medium. PMID- 29211404 TI - Management of long segment anterior urethral stricture (>= 8cm) using buccal mucosal (BM) graft and penile skin (PS) flap: outcome and predictors of failure. AB - PURPOSE: To evaluate the surgical outcome and predictors of failure of substitution urethroplasty using either dorsal onlay buccal mucosal (BM) graft or ventral onlay penile skin flap (PS) for anterior urethral stricture >= 8cm. PATIENTS AND METHODS: Between March 2010 and January 2016, 50 patients with anterior urethral stricture >= 8 cm were treated at our hospital. The surgical outcome and success rate were assessed. The predictors of failure were analyzed using multivariate analysis. Failure was considered when subsequent urethrotomy or urethroplasty were needed. RESULTS: Dorsal onlay BM graft was carried out in 24 patients, while PS urethroplasty in 26 patients. There was no significant difference between both groups regarding patients demographics, stricture characteristics or follow-up period. One case in the BM group was lost during follow- up. Stricture recurrence was detected in 7 (30.4%) patients out of BM group while in 6 (23.1%) patients out of PS group (p value= 0.5). No significant differences between both groups regarding overall early and late complications were observed. Occurrence of early complications and the stricture length were the only predictors of failure in univariate analysis, while in multivariate analysis the occurrence of early complications was only significant. CONCLUSION: On short-term follow-up, both dorsal onlay BM graft and ventral onlay PS flap urethroplasty have similar success rates. However, BM graft has a potential advantage to reduce operative time and is also technically easier. The surgeon should avoid early local complications as they represent a higher risk for failure. PMID- 29211405 TI - High-intensity Focused Ultrasound (HIFU) as salvage therapy for radio-recurrent prostate cancer: predictors of disease response. AB - BACKGROUND: Some men with localized radio-recurrent prostate cancer may benefit from salvage high-intensity focused ultrasound (HIFU). Herein, we describe oncologic outcomes and predictors of disease response after salvage whole gland HIFU from our prospective cohort. MATERIALS AND METHODS: Patients with localized radio-recurrent prostate cancer were prospectively enrolled from January 2005 to December 2014. Participants had to meet both biochemical and histological definitions of recurrence. Exclusion criteria included the receipt of prior salvage therapy, presence of metastatic disease, and administration of ADT in the 6-months prior to enrollment. Participants were treated with a single session of whole-gland HIFU ablation with the AblathermTM device (EDAP, France). The primary endpoint was recurrence-free survival (RFS), defined as a composite endpoint of PSA progression (Phoenix criteria), receipt of any further salvage therapy, receipt of ADT, clinical progression, or death. Kaplan-Meier survival analysis was used to determine the primary end-point and stratifications were used to determine the significance of 6 pre-specified predictors of improved RFS (TRUS biopsy grade, number of study entry TRUS biopsy cores positive, palpable disease at study enrollment, pre-HIFU PSA, an undetectable post-HIFU PSA nadir, and receipt of prior hormone therapy). Survival analysis was performed on participants with a minimum of 1-year follow-up. RESULTS: Twenty-four participants were eligible for study inclusion with a median follow-up of 31.0 months. Median PSA at study entry was 4.02ng/ml. Median time to PSA nadir was 3 months after treatment and median post-HIFU PSA nadir was 0.04ng/ ml. Median 2 year and 5-year RFS was 66.3% and 51.6% respectively. Of our 6 pre-specified predictors, an undetectable PSA nadir was the only significant predictor of improved RFS (HR 0.07, 95% CI 0.02-0.29, log-rank P<0.001). One participant underwent an intervention for a urethral stricture. No participants developed osteitis pubis or rectourethral fistulae. CONCLUSIONS: Salvage HIFU allows for disease control in selected patients with localized radio-recurrent prostate cancer. An undetectable PSA nadir serves as an early predictor of disease response. PMID- 29211408 TI - Breastfeeding mothers' experiences of bedsharing: A qualitative study. AB - Many cultures around the world routinely practise bedsharing by the mother-infant dyad. Bedsharing in these cultures is believed to ensure a safe and comfortable night's sleep for both mother and infant, as well as supporting breastfeeding. Nonetheless, this practice is at odds with dominant Western cultural ideals about child rearing and is recommended against by public health campaigns regarding SIDS. The current qualitative study aimed to explore the lived experiences of breastfeeding mothers who bed-shared with their infants in a Western cultural setting. In-depth interviews were conducted with six multiparous mothers and were analysed using a phenomenological framework. Seven themes were identified, including mothers' increased sleep quality and/or quantity, easier infant settling and a strong relationship with breastfeeding ease and duration. Given that many mothers bed-share, public policies need to be inclusive of this practice in order to lessen the likelihood of unsafe bedsharing practices. PMID- 29211406 TI - Can preoperative neutrophil lymphocyte ratio predict malignancy in patients undergoing partial nephrectomy because of renal mass? AB - PURPOSE: To evaluate the importance of preoperative neutrophil lymphocyte ratio (NLR) predicting malignancy in patients who undergo partial nephrectomy due to renal mass. MATERIALS AND METHODS: Seventy nine patients who underwent open partial nephrectomy for renal masses were included in this retrospective study. In preoperative routine blood tests, renal ultrasonography and contrast-enhanced computed tomography were performed for all patients. Preoperative neutrophil lymphocyte ratio were compared in patients with clear cell renal cell carcinoma (Group1, 65 patients) and benign lesions (Group 2, 14 patients). The predictive ability of NLR was analyzed by ROC curves and Youden Index method was used to identify the cut-off value for NLR. RESULTS: The mean age of patients was 59.8+/ 11.7 years in Group1 and 57.4+/-12.6 years in Group 2 (p=0.493). The mean tumor size was 3.8+/-1.2 cm in Group 1 and 3.3+/-1.0 cm in Group 2 (p=0.07). The median NLR was 2.48 (1.04) in Group 1 and 1.63 (0.96) in Group 2 (p<0.001). The area under a ROC curve was 0.799 (p<0.001). CONCLUSIONS: Preoperative neutrophil lymphocyte ratio may predict renal masses that can not be distinguished radiologically. Our results must be confirmed by large and properly designed prospective, randomized trials. PMID- 29211407 TI - Long-term results of the implantation of the AMS 800 artificial sphincter for post-prostatectomy incontinence: a single-center experience. AB - OBJECTIVES: Report the long-term outcomes of the AMS 800 artificial sphincer (AS) for the treatment post-prostatectomy incontinence (PPI) in a single center in Brazil. MATERIALS AND METHODS: Clinical data from patients who underwent the procedure were retrieved from the medical records of individuals with more than 1 year of follow-up from May 2001 to January 2016. Continence status (number of pads that was used), complications (erosion or extrusion, urethral atrophy, and infection), malfunctions, and need for secondary implantation were evaluated. The relationship between complications and prior or subsequent radiation therapy (RT) was also examined. RESULTS: From May 2001 to January 2016, 121 consecutive patients underwent AS implantation for PPI at an oncological referral center in Brazil. At the last visit, the AS remained implanted in 106 patients (87.6%), who reported adequate continence status (maximum of 1 pad/day). Eight-two subjects (67.8%) claimed not to be using pads on a regular basis at the final visit (completely dry). Revision occurred in 24 patients (19.8%).Radiation therapy (RT) for prostate cancer following radical prostatectomy was used in 47 patients before or after AS placement. Twelve patients with a history of RT had urethral erosion compared with 3 men without RT (p=0.004). CONCLUSION: Considering our outcomes, we conclude that AS implantation yields satisfactory results for the treatment of PPI and should remain the standard procedure for these patients. Radiation therapy is a risk factor for complication. PMID- 29211409 TI - Breastfeeding knowledge, attitudes and training amongst Australian community pharmacists. AB - INTRODUCTION: Pharmacists are one of the most accessible and trusted professionals in the Australian health care system and can have a large impact in supporting and encouraging breastfeeding. AIM: This study aimed to research the knowledge, attitudes and training satisfaction of Australian pharmacists in the area of infant nutrition and breastfeeding. DESIGN, SETTING AND PARTICIPANTS: The mixed method study involved quantitative data collection via an online survey and qualitative data collected via separate semi-structured interviews. All registered pharmacists in the Australian Capital Territory and surrounding regional areas were eligible. Participants were recruited via emailed information sheets and individual onsite recruitment. KEY FINDINGS: Positive attitudes towards and a desire to support and advocate for breastfeeding by pharmacists were hampered by a lack of knowledge, confidence, training and education. CONCLUSIONS AND FUTURE IMPLICATIONS: Government or other non-profit organisations can enhance community-based support for breastfeeding, including developing new education and training programs for pharmacy students and pharmacists. PMID- 29211410 TI - Pushing the Envelope on STEMI Response. AB - New findings from the Mission: Lifeline STEMI Systems Accelerator program suggest that a regionalized approach to ST-segment elevation myocardial infarctions (STEMI) can cut time-to-treatment for patients modestly, thereby improving the prospects for better outcomes. The approach encourages hospitals, emergency medical services (EMS) and cardiologists in a region to work together to optimize treatment and efficiency so that patients in need of percutaneous coronary intervention (PCI) receive this care more expeditiously. The research included 484 hospitals, 1,253 EMS agencies, and nearly 24,000 patients in 16 regions across the United States. The goal was to increase the number of STEMI patients who receive PCI bed time parameters. Overall, the percentage of STEMI patients receiving PCI in accordance with guidelines improved from 50% to 55% during the study period. Key to the Mission: Lifeline approach is a focus on starting the clock ticking on time-to-treatment at first medical contact (FMC) as opposed to the hospital door, but this requires coordination with EMS and other hospitals. Some observers question whether a push for regionalization is worth the effort, considering the modest results thus far. PMID- 29211411 TI - Using Telemedicine to Address Crowding in the ED. AB - Some health systems are piloting telemedicine solutions in the ED to address crowding and decrease patient wait times. One new program, implemented at the Lisa Perry Emergency Center at New York Presbyterian (NYP) Weill Cornell Medical Center in New York, involves offering low-acuity patients the option of visiting an off-site physician via telemedicine hookup. Administrators note that the approach can get patients in and out of the ED within 30 minutes, and patients have thus far been highly satisfied with the approach. However, an earlier telemedicine program piloted at the University of San Diego Health System's (UCSD) Hillcrest Hospital in 2013 got bogged down due to administrative and insurance reimbursement hurdles, although the approach showed enough promise that there is interest in restarting the program. In the NYP program, patients are identified as appropriate candidates for the program at triage. They can opt to be seen remotely or through traditional means in the ED's fast-track section. Administrators note that patients with complex problems requiring extensive workups are not suitable for the telemedicine approach. The most challenging aspect of implementing a successful telemedicine program in the ED is getting the workflows right, according to administrators. An earlier ED-based telemedicine program piloted at UCSD ran into difficulties because the model required the involvement of two physicians, and some insurers did not want to pay for the telemedicine visits. However, patients were receptive. PMID- 29211412 TI - A partnership between researchers and breastfeeding advocates to support safe alcohol consumption during breastfeeding. AB - In 2009 the first national and international guideline providing direction for breastfeeding women on drinking alcohol was included in the National Health and Medical Research Council Australian guidelines to reduce health risks from drinking alcohol. In the absence of an accompanying education campaign for the guidelines, the Australian Breastfeeding Association was able to fill this gap and work in partnership with a breastfeeding researcher to develop an education resource for Australian women that was also a national and international first. This commentary outlines the journey of the research that informed the development of the resource and the integral involvement of the Australian Breastfeeding Association throughout. PMID- 29211413 TI - Selection criteria for wet-nurses: Ancient recommendations that survived across time. AB - This article will describe the content of the key criteria for the selection of wet nurses that persisted across time and the authors who transmitted this advice. Where relevant, it will include variations, such as additional recommendations or a different weighting being given to one or other criterion by a particular author. The focus is on the selection of a wet nurse for the employer's baby. The factors that led a woman to enter this employment and the consequences for her own baby will not be addressed here as they will be discussed elsewhere. The article is an historical one, drawing on primary sources, where possible, and important secondary sources. Guidelines for the selection of wet-nurses have existed from antiquity to the early 20th century. The key recommendations managed to survive across the centuries because they were considered useful by influential ancient and Early Modern and later authors who passed them on through copying and translations. It is tempting to assume that the prescriptive advice was followed by physicians and mothers. However, the discussion will raise doubts about whether the criteria were adhered to by physicians and parents, particularly when wet nurses were in scarce supply. PMID- 29211414 TI - Training, Drills Pivotal in Mounting Response to Orlando Shooting. AB - Emergency providers at Orlando Regional Medical Center in Orlando. FL, faced multiple challenges in responding to the worst mass shooting in U.S. history. As the scene of the shooting was only three blocks away from the hospital, there was little time to prepare when notified that victims would begin arriving shortly after 2 a.m. on June 12. Also, fears of a gunman near the hospital briefly put the ED on lock down. However, using the incident command system, the hospital was able to mobilize quickly, receiving 44 patients, nine of whom died shortly after arrival. Administrators note that recent training exercises geared toward a mass shooting event facilitated the response and probably saved lives. Patients arrived at the hospital in two waves, with the initial surge occurring right after the hooting took place around 2 a.m., and the second surge occurring about three hours later. At one point, more than 90 patients were in the ED, more than half for reasons unrelated to the shooting. Clinicians contended with a much higher than usual noise level while treating patients, making it hard to hear reports from EMS personnel. Also, treatment had to commence prior to identification for some patients who arrived unconscious or unable to speak. While surgeons and other key specialists were called into the hospital to address identified needs, administrators actually called hospital personnel to tell them not to come in unless they were notified. This prevented added management hurdles. PMID- 29211415 TI - Education Creates Welcoming Environment for Transgender Patients. AB - The ED often is the access point of choice for transgender patients who may be reluctant to interact with providers. Experts say there is a need for training and education of how to present a gender-affirming healthcare environment. Recommended steps include a review of policies, along with corresponding changes to electronic and paper intake forms to ensure that the language used is inclusive of all genders. While blanket discrimination may be declining, experts note that some providers are uncertain about how to interact with a transgender patient. It's always best to ask patients for their preferred name and pronoun and to repeat this exercise every three to six months for return patients, as gender identify can be fluid. To ease anxiety for transgender patients, consider developing a navigator program that will pair any transgender patient who requests the service with a trained advocate who can support and guide the patient through the system. PMID- 29211417 TI - [BIODIVERSITY OF ACANTHOCEPHALANS (ACANTHOCEPHALA) IN FRESHWATER FISHES OF ASIATIC SUB-ARCTIC REGION]. AB - The analysis of taxonomical and ecological diversity of acanthocephalans in fishes ofAsiatic sub-Arctic region freshwaters, summarizing changes in modern views on speciescomposition, life cycles, and ecology of background groups of these parasites is given.A priority role of studies provided by O. N. Bauer and his scientific school in organizationand development of these aspects of acanthocephalology is demonstrated. Special attentionis paid to the assessment of acanthocephalan biodiversity of the genus Neoechinorhynchus,the background group of freshwater fish parasites of the Asiatic sub-Arctic region,and an original key for their species is given. The distribution of acanthocephalans of thegenus Acanthocephalus in northeastern Asia is analyzed and prospective study of this parasitegroup, evolutionary associated with freshwater isopods of the genus Asellus as intermediatehosts, is outlined. The absence of documented evidences on intermediate hosts ofother background parasites of freshwater fishes in the region, acanthocephalans of the genusMetechinorhynchus, is revealed. It is assumed that subsequent taxonomic revisions basedboth on morphological and molecular genetic studies are necessary for the reliable revealingof species composition in each genus of the background acanthocephalans fromfreshwater fishes of Northern Asia. Theoretical significance of the study of acanthocephalanlife cycles and revealing their natural intermediate hosts for the reliable estimation ofstructural and functional organization of their host parasite systems in different parts ofthe range is substantiated and the possibility of the distribution of taxonomic conclusionsin new territories is analyzed. A brief annotated taxonomical list of freshwater acanthocephalansof the Asiatic sub-Arctic region is given. PMID- 29211418 TI - [NUMBER DISTRIBUTION AND POPULATION STRUCTURE OF PROTEOCEPHALUS LONGICOLLIS (ZEDER, 1800) (CESTODA: PROTEOCEPHALIDEA), A PARASITE OF SMELT AND COREGONIDS]. AB - The spatial structure and seasonal aspects in the number distribution of the cestodeProteocephalus longicollis population, maintained by trophic connections of specializedplankton-feeders (the vendace Coregonus albula L. and the smelt Osmerus eperlanus L.)in the Lake Onego were studied. Differences in the distribution of number of cestode populationin host population, size-age structure, and pre-reproductive/reproductive stagesratio of the studied parasites were revealed. It was demonstrated that the spatial structureof P. longicollis was shaped by the specific characteristics of vendace and smelt populationsin the Lake Onego. These species possess partially overlapping ecological niches anddifferences in the use of food resources, significantly determining the infection dynamicsof the examined fish species. PMID- 29211419 TI - [RESULTS OF THE STUDY OF GEOGRAPHICAL VARIABILITY OF THE PARASITE FAUNA AND OF THE STRUCTURE OF COMPONENT COMMUNITIES OF MINNOW PHOXINUS PHOXINUS (LINNAEUS) PARASITES. 2. THE WATER BODIES OF THE NORTHEASTERN EUROPEAN RUSSIA]. AB - The material was collected according to commonly accepted methods in 1992 2013from the following sites: the Lake Krivoye (Kolguev Island); Volonga, Schapkina, Kolva,More-Yu, Vorkuta, Kara, and Khalmer-Yu Rivers; Lakes Nikaramata (the Kara River basin)and Mercempertato (Yamal Peninsula). A total of 436 of the minnow Phoxinus phoxinuswith age 1+-3+ were examined. In the examined water bodies, excluding the KolvaRiver, the parasite fauna of the minnow is impoverished, and, to a greater extent, possessesan occasional character. In rivers Kolpina and Shapkina Rivers, component communitiesof minnow parasites are mature (balanced, according to Pugachev, 1999). These minnowparasite communities consist of three groups of species separated according to the ratio oftheir biomasses. In More-Yu, Vorkuta, Kara, and Khalmer-Yu Rivers, and in Lakes Nikaramata,and probably, Mercempertato, parasite communities are immature (unbalanced).These minnow parasite communities consist of 1-3 groups of species separated accordingthe ratio of their biomass. Characteristics of communities from the Volonga Riverneed clarification. Associations between the state of the described minnow parasite communitiesand their geological age (Quaternary history) are traced.324 PMID- 29211420 TI - Tongue-tie in the newborn: Follow-up in the first 6 months. AB - BACKGROUND: Over the last decade, a number of studies have demonstrated that early division of tongue-tie (TT) is associated with significant feeding benefits to both mother and baby. Notwithstanding, it remains a controversial procedure. We examined the breastfeeding outcomes of a cohort of babies at 1-2 weeks (follow up 1) and 3-5 months (follow-up 2), post-TT division. METHODS: We undertook a cohort study on all mother/baby dyads who had a TT divided at Canberra Hospital between 1 July 2013 and 30 June 2014. We contacted the mothers of both follow-up groups by telephone, focusing on breastfeeding and maternal pain. RESULTS: Follow up 1 consisted of 116/182 (63.7%) of mothers in the study; contacted at 12.4+-7.8 days post-division. Of these, 107/116 (92.2%) were still breastfeeding, with 11/15 (73.3%) of the mothers who had ceased breastfeeding before division having re-established it at the time of follow-up (p < 0.00l). Additionally, 90/101 (89.1%) valid responses reported decreased nipple pain following TT division. Follow-up 2 consisted of 112/182 (61.5%) of all mothers in the study; contacted at 3.7+-1.8 months of age. Of these, 86/112 (76.8%) were still breastfeeding, with 11/15 (73.3%) of mothers who had ceased breastfeeding before division having re-established it at follow-up (p < 0.001). CONCLUSION: A divided TT was associated with benefits at both periods of follow-up. There was (i) an increase in overall breastfeeding rates and (ii) a decrease in maternal pain. PMID- 29211421 TI - The roles of zinc in lactation. PMID- 29211422 TI - [SOME FEATURES OF THE BIOLOGY AND PARASITE FAUNA OF THE ARCTIC CHAR (SALVELINUS ALPINUS L.) IN THE LAKE MUSHTALAMPI (NORTHERN KARELIA)]. AB - The native population of the Arctic char in the Lake Mushtalampi was studied. The dwarf form of the Arctic char inhabiting the lake was revealed. The fish is characterized by extremely low growth rate and by early maturation. Twelve parasite species were found in the arctic char. The parasite fauna is typical of representatives of Salmonidae. Distinguishing features of this fauna include the absence of narrowly specialized char parasite species. High intensity of infection with nematodes Philonema oncorhynchi allows estimating the epizootic state of the studied char population as insufficient. PMID- 29211423 TI - CHANGES IN SPINATION PATTERNS OVER THE COURSE OF METACERCARIAL DEVELOPMENT OF DIPLOSTOMUM PSEUDOSPATHACEUM NIEWIADOMSKA, 1984 (TREMATODA, DIPLOSTOMIDAE). AB - Metacercarial development of most Diplostomum species including D. pseudospathaceumoccurs in the eye lenses of their fish hosts and is accompanied by radical morphologicalchanges often referred to as metamorphosis. One of the structures undergoing substantialchanges in D. pseudospathacewn are tegumental spines. The present study used phalloidinstaining and confocal microscopy to examine these changes in D. pseudospathaceumover the course of development from 3 day-old to infective metacercariae. Although thegeneral pattern of spination remained essentially unchanged, most larval spines continuedgrowing in size until late in metacercarial development. From day 10 of development, larvalspination was gradually replaced by small incipient definitive spines and the infectivemetacercariae had only definitive spination. The possible adaptive role of spines in developingmetacercariae is discussed. PMID- 29211424 TI - [ECOLOGICAL AND PARASITOLOGICAL CHARACTERISTICS OF THE SMALL REDFISH SEBASTES VIVIPARUS (PISCES: SCORPAENIDAE)]. AB - The results of the parasite fauna research represent peculiarities of formation and ecological,faunistic and zoogeographical characteristics of parasite fauna of the small redfishSebastes viviparus Krayer. 1845. This species is distinguished among the other North AtlanticSebastes by the richest fauna of myxosporidians, trematodes, nematodes and acanthocephalans.The parasite fauna of S. viviparus is formed mainly of boreal species and toa lesser extent of Arctic-boreal species. According to the vertical zonality of parasites infishes of the North Atlantic they are mainly represented by mesobenthic and epicontinentalspecies. The parasite fauna in small redfish possesses significantly more pronounced geographicspecificity than that of other North Atlantic Sebastes species. PMID- 29211425 TI - [XENOMONITORING OF THE DIROFILARIASIS IN THE SOUTH AND NORTH-WEST OF THE RUSSIAN FEDERATION]. AB - Xenomonitoring (detection of filarial larvae in mosquitoes) of vectors of dirofilariasiswas performed in 2009-2013 in vectors collected in southern and northwestern regions ofthe Russian Federation. In Rostov, Astrakhan, Krasnodar, and Novgorod Provinces and inthe Republic of Adygea the degree of infestation of mosquito larvae with Dirofilaria constituted1.8 +/- 0.2 % (66/3590), 0.9 +/- 0.4 % (4/470), 0.8 +/- 0.2 % (11/1382), 0.7 +/- 0.4 %(3/438), and 0.5 +/- 0.5 % (1/190), respectively. Total degree of infestation of mosquitoeswith larvae of Dirofilaria spp. constituted 2.3 +/- 0.3 % (45/1936), 1.9 +/- 0.4 % (25/1334),and 0.6 +/- 0.1 % (15/2713) in Aedes (Meigen, 1818), Culex (Linnaeus, 1758), and Anopheles(Meigen, 1818). No microfilariae were found in Culiseta (Felt, 1904) (0/87). PMID- 29211426 TI - [HEMATOLOGY AND BLOOD CHEMISTRY OF THE HERRING GULL LARUS ARGENTATUS INFESTED BY CESTODES DIPHYLLOBOTHRIUM DENDRITICUM (CESTODA: DIPHYLLOBOTHRIIDAE)]. AB - Hematological and plasma biochemical analyses and parasitological detection werecarried out in the herring gull Larus argentatus. Hematological and plasma biochemicalparameters in uninfected gulls and gulls infected by Diphyllobothrium dendriticum (Cestoda:Diphyllobothriidae) were compared. Hemoglobin content and numbers of erythrocyteswere reduced; numbers of leukocytes and sorption capacity of erythrocytes wereimproved in blood of the infected herring gulls. Hematological index (eosinophil/lymphocyteratio) in infected gulls increased 1.8 times in comparison with eosinophil/lymphocyteratio in uninfected gulls. Metabolic imbalances in herring gulls infected by D. dendriticumwere determined. Levels of the total protein, phospholipids, triglyceride, phosphorus, calcium,magnesium and sodium, and the activity of alkaline phosphatase decreased in plasmablood of infected gulls; at the same time, the content of the uric acid, glucose, modifiedalbumin and circulatory immune complex and activities of transaminases and lactate dehydrogenasehad increased. It is assumed that the obtained results testify to the appearanceof abnormalities in the digestion processes and the activity of immune and circulatory systemscaused by the invasion of gulls with D. dendriticum.375 PMID- 29211427 TI - [PHENOLOGY OF MALARIAL MOSQUITOES (DIPTERA, CULICIDAE) AND THEIR EPIDEMIOLOGICAL VALUE IN THE SOUTHERN TOMSK PROVINCE]. AB - The article provides the data on the incidence of malaria in Tomsk Province since 1935till present. The results of phenological observations of malarial mosquitoes (Diptera: Culicidae)performed in 2005-2014 in southern Tomsk Province are given. Key dates in lifeof mosquitoes are determined, including the beginning of departure from wintering sites,emergence of the first preimaginal stages, departure of the first generation of imagoes, thebeginning of the 54rr7yu6t' diapause. Terms of the period of possible transfer of malariain southern Tomsk Province are retrospectively calculated. PMID- 29211428 TI - [THE FAUNA AND POPULATION OF CHEWING LICE (INSECTA, PHTHIRAPTERA) PARASITIZING SEDENTARY PASSERINE BIRDS (AVES, PASSERIFORMES) IN YAKUTIA]. AB - The data on the fauna, abundance and prevalence of chewing lice collected from 360specimens of 13 sedentary species of passerine birds in Yakutia are given. A total of 3206chewing lice specimens belonging to 27 species of 6 genera were found. Most exploredbird species were infested with several chewing lice species. We assume exchanges of parasitescould take place between some bird species in the region explored. PMID- 29211429 TI - Training Together: Interdisciplinary MCI drill prepares paramedic and nursing students for safe, effective care. PMID- 29211430 TI - [EXOSKELETON ABNORMALITIES IN TAIGA TICK FEMALES FROM POPULATIONS OF THE ASIATIC PART OF RUSSIA]. AB - Studies of the phenotypic structure of Ixodes persulcatus (Schulze, 1930) populationsin relation to their exoskeleton abnormalities are important in both theoretical and practicalrespects. The data on the species' population structure in Asiatic part of Russia arefragmentary. The goal of the study was to describe taiga tick population structure based onthe pattern of females' exoskeleton abnormalities revealed in Asiatic part of Russia.A total of 3872 I. persulcatus females from 16 geographically remote sites of Far Eastern,Siberian, and Ural Federal Districts (FEFD, SFD, and UFD accordingly) were studied.It was demonstrated that all the populations possessed specimens with exoskeletonabnormalities. The "shagreen skin" abnormality was dominant in all these areas. At the sametime, the percentage of abnormalities among the specimens collected to the north of55 degrees N is considerably higher (63.4 +/- 3.39 %) than that of samples from the SFD southwardterritories (33.1 +/- 3.43 %). The frequency of abnormalities in its turn is lower(24.4 +/- 1.93 %) in the females from the territories with moderate monsoon and moderatecontinental climate (FEFD) than that in specimens from SFD and UFD areas with sharpcontinental climate. Thus, such polymorphism of the females' exoskeleton structure mayreflect the natural phenogeographical variability of the character rather than the result ofthe anthropogenic impact.403 PMID- 29211431 TI - [NEW FINDINGS OF RARE SPECIES OF THE MITE GENUS SPINTURNIX VON HEYDEN, 1826 (MESOSTIGMATA: GAMASINA: SPINTURNICIDAE)IN RUSSIA AND TADJIKISTAN]. AB - The article reports new findings of rare and poorly known mite species of the genusSpinturnix von Heyden, 1826 (Gamasina: Spinturnicidae) parasitizing bats of the generaMyotis and Barbastella in Russia and Tadjikistan. PMID- 29211432 TI - Hands On: Product Reviews From Street Crews. PMID- 29211434 TI - Last Word: The Ups and Downs of EMS. PMID- 29211433 TI - Brain Drain: Provide more growth opportunities for paramedics. PMID- 29211435 TI - Improved Multiprotein Microcontact Printing on Plasma Immersion Ion Implanted Polystyrene. AB - Multiprotein micropatterning allows the creation of complex, controlled microenvironments for single cells that can be used for the study of the localized effects of various proteins and signals on cell survival, development, and functions. To enable analysis of cell interactions with microprinted proteins, the multiprotein micropattern must have low cross-contamination and high long-term stability in a cell culture medium. To achieve this, we employed an optimized plasma ion immersion implantation (PIII) treatment to provide polystyrene (PS) with the ability to covalently immobilize proteins on contact while retaining sufficient transparency and suitable surface properties for contact printing and retention of protein activity. The quality and long-term stability of the micropatterns on untreated and PIII treated PS were compared with those on glass using confocal microscopy. The protein micropattern on the PIII treated PS was more uniform and had a significantly higher contrast that was not affected by long-term incubation in cell culture media because the proteins were covalently bonded to PIII treated PS. The immunostaining of mouse pancreatic beta cells interacting with E-cadherin and fibronectin striped surfaces showed phosphorylated paxillin concentrated on cell edges over the fibronectin stripes. This indicates that multiprotein micropatterns printed on PIII treated PS can be used for high-resolution studies of local influence on cell morphology and protein production. PMID- 29211436 TI - Quantitative Determination of Telomerase Activity by Combining Fluorescence Correlation Spectroscopy with Telomerase Repeat Amplification Protocol. AB - Telomerase is a key enzyme for maintaining the telomere length and is regarded as a versatile cancer biomarker and a potential drug target due to its important role in cancer and aging. It is necessary to develop a sensitive and reliable method for detection of telomerase activity due to its very low level in cells. In this Article, we propose an ultrasensitive and robust method for quantitative determination of telomerase activity by combining single molecule fluorescence correlation spectroscopy (FCS) with telomerase repeat amplification protocol (TRAP). The principle of this new method (FCS-TRAP) is based on measurement of the change in characteristic diffusion time and molecule number of TRAP products by FCS. The characteristic diffusion time is related to the length of TRAP products, and the molecule number represents the concentration of TRAP products. We optimized the conditions of TRAP procedure and FCS measurements. We observed that the telomerase activities are positively correlated to characteristic diffusion time and molecule number of TRAP products at optimal conditions. This method was successfully used for determination of telomerase activity of different cells, and detection of a single cell was realized. Meanwhile, this method was used to evaluate the inhibition efficiency of inhibitors, and the IC50 values obtained were in good agreement with the references. Compared to current TRAP methods, this method shows reliable quantification, ultrahigh sensitivity, and short detection time and is without separation. We believe that the FCS-TRAP method has a potential application in clinical diagnosis and screening of telomerase inhibitors. PMID- 29211437 TI - High-Performance Transition Metal Phosphide Alloy Catalyst for Oxygen Evolution Reaction. AB - Oxygen evolution reaction (OER) is a pivotal process in many energy conversion and storage techniques, such as water splitting, regenerative fuel cells, and rechargeable metal-air batteries. The synthesis of stable, efficient, non-noble metal-based electrocatalysts for OER has been a long-standing challenge. In this work, a facile and scalable method to synthesize hollow and conductive iron cobalt phosphide (Fe-Co-P) alloy nanostructures using an Fe-Co metal organic complex as a precursor is described. The Fe-Co-P alloy exhibits excellent OER activity with a specific current density of 10 mA/cm2 being achieved at an overpotential as low as 252 mV. The current density at 1.5 V (vs reversible hydrogen electrode) of the Fe-Co-P catalyst is 30.7 mA/cm2, which is more than 3 orders of magnitude greater than that obtained with state-of-the-art Fe-Co oxide catalysts. Our mechanistic experiments and theoretical analysis suggest that the electrochemical-induced high-valent iron stabilizes the cobalt in a low-valent state, leading to the simultaneous enhancement of activity and stability of the OER catalyst. PMID- 29211438 TI - Atmospheric Pressure Plasma Jet-Assisted Synthesis of Zeolite-Based Low-k Thin Films. AB - Zeolites are ideal low-dielectric constant (low-k) materials. This paper reports on a novel plasma-assisted approach to the synthesis of low-k thin films comprising pure-silica zeolite MFI. The proposed method involves treating the aged solution using an atmospheric pressure plasma jet (APPJ). The high reactivity of the resulting nitrogen plasma helps to produce zeolite crystals with high crystallinity and uniform crystal size distribution. The APPJ treatment also remarkably reduces the time for hydrothermal reaction. The zeolite MFI suspensions synthesized with the APPJ treatment are used for the wet deposition to form thin films. The deposited zeolite thin films possessed dense morphology and high crystallinity, which overcome the trade-off between crystallinity and film quality. Zeolite thin films synthesized using the proposed APPJ treatment achieve low leakage current (on the order of 10-8 A/cm2) and high Young's modulus (12 GPa), outperforming the control sample synthesized without plasma treatment. The dielectric constant of our zeolite thin films was as low as 1.41. The overall performance of the low-k thin films synthesized with the APPJ treatment far exceed existing low-k films comprising pure-silica MFI. PMID- 29211439 TI - Simultaneous Perforation and Doping of Si Nanoparticles for Lithium-Ion Battery Anode. AB - Silicon nanostructures have served as promising building blocks for various applications, such as lithium-ion batteries, thermoelectrics, and solar energy conversions. Particularly, control of porosity and doping is critical for fine tuning the mechanical, optical, and electrical properties of these silicon nanostructures. However, perforation and doping are usually separated processes, both of which are complicated and expensive. Here, we demonstrate that the porous nano-Si particles with controllable dopant can be massively produced through a facile and scalable method, combining ball-milling and acid-etching. Nano-Si with porosity as high as 45.8% can be achieved with 9 orders of magnitude of conductivity changes compared to intrinsic silicon. As an example for demonstration, the obtained nano-Si particles with 45.8% porosity and 3.7 atom % doping can serve as a promising anode for lithium-ion batteries with 2000 mA h/g retained over 100 cycles at the current density of 0.5 C, excellent rate performance with 1600 mA h/g at the current density of 5 C, and a stable cycling performance of above 1500 mA h/g retained over 940 cycles at the current density of 1 C with carbon coating. PMID- 29211440 TI - Gold Nanoparticles Decorated Hematite Photoelectrode for Sensitive and Selective Photoelectrochemical Aptasensing of Lysozyme. AB - Photoelectrochemical aptasensor (PECAS) is a new and promising detection platform with both high sensitivity and good selectivity. Exploration of new photoelectrode materials and establishment of effective charge transfer channel between photoelectrode and aptamer are the main challenges in this field. In this work, an efficient PECAS based on Au nanoparticles (NPs) decorated Fe2O3 nanorod photoelectrode is rationally designed, fabricated, and exhibited excellent sensitivity and selectivity for detection of lysozyme (Lys) with an ultralow detection limit of 3 pM and wide detection range from 10 pM to 100 nM. The Au NPs not only act as anchor to establish an efficient charge transfer channel between the photoelectrode and the aptamer, but also help to enhance the PEC performance through adjusting the carrier density of Fe2O3. The rationally designed photoelectrode opens up a distinctive avenue for promoting the PECAS to be a versatile analysis method. PMID- 29211441 TI - Mechanistic Study of Electrolyte Additives to Stabilize High-Voltage Cathode Electrolyte Interface in Lithium-Ion Batteries. AB - Current developments of electrolyte additives to stabilize electrode-electrolyte interface in lithium-ion batteries highly rely on a trial-and-error search, which involves repetitive testing and intensive amount of resources. The lack of understandings on the fundamental protection mechanisms of the additives significantly increases the difficulty for the transformational development of new additives. In this study, we investigated two types of individual protection routes to build a robust cathode-electrolyte interphase at high potentials: (i) a direct reduction in the catalytic decomposition of the electrolyte solvent; and (ii) formation of a "corrosion inhibitor film" that prevents severely attack and passivation from protons that generated from the solvent oxidation, even the decomposition of solvent cannot be mitigated. Effect of two exemplary electrolyte additives, lithium difluoro(oxalato)borate (LiDFOB) and 3-hexylthiophene (3HT), on LiNi0.6Mn0.2Co0.2O2 (NMC 622) cathode were investigated to validate our hypothesis. It is demonstrated that understandings of both electrolyte additives and solvent are essential and careful balance between the cathode protection mechanism of additives and their side effects is critical to obtain optimum results. More importantly, this study opens up new directions of rational design of functional electrolyte additives for the next-generation high-energy-density lithium-ion chemistries. PMID- 29211442 TI - Atomic Layer Deposition of Nickel on ZnO Nanowire Arrays for High-Performance Supercapacitors. AB - A novel hybrid core-shell structure of ZnO nanowires (NWs)/Ni as a pseudocapacitor electrode was successfully fabricated by atomic layer deposition of a nickel shell, and its capacitive performance was systemically investigated. Transmission electron microscopy and X-ray photoelectron spectroscopy results indicated that the NiO was formed at the interface between ZnO and Ni where the Ni was oxidized by ZnO during the ALD of the Ni layer. Electrochemical measurement results revealed that the Ti/ZnO NWs/Ni (1500 cycles) electrode with a 30 nm thick Ni-NiO shell layer had the best supercapacitor properties including ultrahigh specific capacitance (~2440 F g-1), good rate capability (80.5%) under high current charge-discharge conditions, and a relatively better cycling stability (86.7% of the initial value remained after 750 cycles at 10 A g-1). These attractive capacitive behaviors are mainly attributed to the unique core shell structure and the combined effect of ZnO NW arrays as short charge transfer pathways for ion diffusion and electron transfer as well as conductive Ni serving as channel for the fast electron transport to Ti substrate. This high-performance Ti/ZnO NWs/Ni hybrid structure is expected to be one of a promising electrodes for high-performance supercapacitor applications. PMID- 29211443 TI - Broadband Photonic Spin Hall Meta-Lens. AB - Meta-lens represents a promising solution for optical communications and information processing owing to its miniaturization capability and desirable optical properties. Here, spin Hall meta-lens is demonstrated to manipulate photonic spin-dependent splitting induced by spin-orbital interaction in transverse and longitudinal directions simultaneously at visible wavelengths, with low dispersion and more than 90% diffraction efficiency. The broadband dielectric spin Hall meta-lens is achieved by integrating two geometric phase lenses with different functionalities into one single dynamic phase lens, which manifests the ultracompact, portable, and polarization-dependent features. The broadband spin Hall meta-lens may find important applications in imaging, sensing, and multifunctional spin photonics devices. PMID- 29211444 TI - Octahedral-Like CuO/In2O3 Mesocages with Double-Shell Architectures: Rational Preparation and Application in Hydrogen Sulfide Detection. AB - This contribution describes a facile strategy for constructing octahedral-like CuO/In2O3 mesocages with double-shell architectures. The synthetic method included first preparation of unifrom Cu2O as an ideal self-sacrificial template and then decoration by a In2O3 outer layer through room-temperature Cu2O-engaged redox etching reaction combined with subsequent annealing process. Various characterization techniques manifested that In2O3 nanoparticles were uniformly grown on the surface of CuO mesocages, resulting in a well-defined double-shelled heterostructure. When evaluated as a novel sensing material for hydrogen sulfide (H2S) detection, the resultant octahedral-like CuO/In2O3 heterostructures exhibited obviously enhanced sensing response, lower operating temperature as well as faster response/recover speed during the dynamic measurement compared to the pristine CuO particles, which is likely related to the high-level of adsorbed oxygen concentration, resistance modulation effect, and unique microstructure of as-prepared CuO/In2O3 heterostructure. PMID- 29211445 TI - Synergistic Effects between Doped Nitrogen and Phosphorus in Metal-Free Cathode for Zinc-Air Battery from Covalent Organic Frameworks Coated CNT. AB - A covalent organic framework that is composed of hexachlorocyclotriphosphazene and dicyanamide has been coated on CNT to prepare metal-free oxygen reduction reaction catalyst through thermal polymerization of the Zn-air battery cathode. The N,P-codoped nanohybrids have highly porous structure and active synergistic effect between graphitic-N and -P, which promoted the electrocatalytic performance. The electrocatalysts exhibits remarkable half-wave potential (-0.162 V), high current density (6.1 mA/cm-2), good stability (83%), and excellent methanol tolerance for ORR in alkaline solution. Furthermore, the N,P-codoped nanohybrids were used as an air electrode for fabrication of a high performance Zn-air battery. The battery achieves a high open-circuit potential (1.53 V) and peak power density (0.255 W cm-2). Moreover, the effect of N,P codoping on the conjugate carbon system and the synergistic effect between graphitic-N and P have been calculated through density functional theory calculations, which are essentially in agreement with experimental data. PMID- 29211446 TI - Cu/Mn Double-Doped CeO2 Nanocomposites as Signal Tags and Signal Amplifiers for Sensitive Electrochemical Detection of Procalcitonin. AB - Nanomaterials themselves as redox probes and nanocatalysts have many advantages for electrochemical biosensors. However, most nanomaterials with excellent catalytic activity cannot be directly used as redox probe to construct electrochemical biosensor because the redox signal of these nanomaterials can only be obtained in strong acid or alkali solution at high positive or negative potential, which greatly limits their applications in biologic assay. In this study, Cu/Mn double-doped CeO2 nanocomposite (CuMn-CeO2) was synthesized to use as signal tags and signal amplifiers for the construction of electrochemical immunosensor for sensitive assay of procalcitonin (PCT). Herein, CuMn-CeO2 not only possesses excellent catalytic activity toward H2O2 for signal amplification, but also can be directly used as redox probe for electrochemical signal readout achieved in neutral mild buffer solution at low positive potential. Importantly, since doping Cu, Mn into CeO2 lattice structure can generate extra oxygen vacancies, the redox and catalytic performance of obtained CuMn-CeO2 was much better than that of pure CeO2, which improves the performance of proposed immunosensor. Furthermore, CuMn-CeO2 can be implemented as a matrix for immobilizing amounts of secondary antibody anti-PCT by forming ester-like bridging between carboxylic groups of Ab2 and CeO2 without extra chemical modifications, which greatly simplifies the preparative steps. The prepared immunosensor exhibited a wide linear range of 0.1 pg mL-1 to 36.0 ng mL-1 with a low detection limit of 0.03 pg mL-1. This study implements nanomaterial themselves as redox probes and signal amplifiers and paves a new way for constructing electrochemical immunosensor. PMID- 29211447 TI - Efficient Removal of Polycyclic Aromatic Hydrocarbons, Dyes, and Heavy Metal Ions by a Homopolymer Vesicle. AB - It is an important challenge to effectively remove environmental pollutants such as polycyclic aromatic hydrocarbons (PAHs), dyes, and heavy metal ions at a low cost. Herein, we present a multifunctional homopolymer vesicle self-assembled from a scalable homopolymer, poly(amic acid) (PAA), at room temperature. The vesicle can efficiently eliminate PAHs, cationic dyes, and heavy metal ions from water based on pi-pi stacking, hydrophobic effect, and electrostatic interactions with the pollutants. The residual concentrations of PAHs, cationic dyes, and heavy metal ions (such as Ni2+) in water are lower than 0.60 and 0.30 parts per billion (ppb) and 0.095 parts per million (ppm), respectively, representing a promising adsorbent for water remediation. Furthermore, precious metal ions such as Ag+ can be recovered into silver nanoparticles by in situ reduction on the membrane of PAA vesicles to form a silver nanoparticle/vesicle composite (Ag@vesicle) that can effectively catalyze the reduction of toxic pollutants such as aromatic nitro-compounds and be recycled for more than ten times. PMID- 29211448 TI - Inverted Planar Perovskite Solar Cells with a High Fill Factor and Negligible Hysteresis by the Dual Effect of NaCl-Doped PEDOT:PSS. AB - The performance of inverted perovskite solar cells is highly dependent on hole extraction and surface properties of hole transport layers. To highlight the important role of hole transport layers, a facile and simple method is developed by adding sodium chloride (NaCl) into poly(3,4 ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The average power conversion efficiency of the perovskite solar cells prepared on NaCl-doped PEDOT:PSS is 17.1% with negligible hysteresis, compared favorably to the control devices (15.1%). Particularly, they exhibit markedly improved Voc and fill factor (FF), with the best FF as high as 81.9%. The enhancement of photovoltaic performance is ascribed to two effects. Better conductivity and hole extraction of PEDOT:PSS are observed after NaCl doping. More intriguingly, the perovskite polycrystalline film shows a preferred orientation along the (001) direction on NaCl-doped PEDOT:PSS, leading to a more uniform thin film. The comparison of the crystal structure between NaCl and MAPbCl3 indicates a lattice constant mismatch less than 2% and a matched chlorine atom arrangement on the (001) surface, which implies that the NaCl crystallites on the top surface of PEDOT:PSS might serve as seeds guiding the growth of perovskite crystals. This simple method is fully compatible with printing technologies to mass-produce perovskite solar cells with high efficiency and tunable crystal orientations. PMID- 29211449 TI - Novel Reduced Graphene Oxide/Zinc Silicate/Calcium Silicate Electroconductive Biocomposite for Stimulating Osteoporotic Bone Regeneration. AB - In the absence of external assistance, autogenous healing of bone fracture is difficult due to impaired regeneration ability under osteoporosis pathological conditions. In this study, a reduced graphene oxide/zinc silicate/calcium silicate (RGO/ZS/CS) conductive biocomposite with an optimal surface electroconductivity of 5625 S/m was prepared by a two-step spin-coating method. The presence of lamellar apatite nanocrystals on the surfaces of the biocomposite suggests that it has good in vitro biomineralization ability. The silicon and zinc released from the biocomposite induced a significant increase in the osteogenesis of mouse bone mesenchymal stem cells (mBMSCs). Furthermore, alkaline phosphatase activities were further promoted when 3 MUA direct current was applied to stimulate the mBMSCs that were cultured on the RGO/ZS/CS surface. However, electrical stimulation failed to further upregulate the osteogenesis related gene expression. Moreover, RGO/ZS/CS extracts were found to suppress the receptor activator of nuclear factor-kappaB ligand-induced osteoclastic differentiation of mouse leukemic monocyte macrophages (RAW264.7 cells). Although the zinc ions in the RGO/ZS/CS extracts showed an inhibitory role in human umbilical vein endothelial cell (HUVEC) proliferation, dilutions of the RGO/ZS/CS extracts (1/16, 1/32, and 1/64) promoted HUVEC proliferation, and their angiogenesis-related gene expression was also upregulated. On the basis of the results of the in vitro angiogenesis model, more interconnected tubes formed when the above dilutions of RGO/ZS/CS extracts were added to ECMatrix. The new RGO/ZS/CS electroconductive biocomposite has potential to be used for stimulating osteoporotic bone regeneration. PMID- 29211450 TI - Waterproof Narrow-Band Fluoride Red Phosphor K2TiF6:Mn4+ via Facile Superhydrophobic Surface Modification. AB - With unique and efficient narrow-band red emission and broadband blue light absorption characteristics, Mn4+-activated fluoride red phosphors have gained increasing attention in warm white LEDs (WLEDs) and liquid crystal display (LCD) backlighting applications, whereas the intrinsic hygroscopic nature of these phosphors have inevitably limited their practical applications. Herein, a waterproof narrow-band fluoride phosphor K2TiF6:Mn4+ (KTF) has been demonstrated via a facile superhydrophobic surface-modification strategy. With the use of superhydrophobic surface modification with octadecyltrimethoxysilane (ODTMS) on KTF surfaces, the moisture-resistance performance and thermal stability of the phosphor KTF can be significantly improved. Meanwhile, the absorption, and quantum efficiency did not show obvious changes. The surface-modification processes and mechanism, as well as moisture-resistance performances and luminescence properties, of the phosphors have been carefully investigated. It was found that the luminous efficiency (LE) of the modified KTF was maintained at 83.9% or 84.3% after being dispersed in water for 2 h or aged at high temperature (85 degrees C) and high humidity (85%) atmosphere (HTHH) for 240 h, respectively. The WLEDs fabricated with modified KTF phosphor showed excellent color rendition with lower color temperature (2736 K), higher color rendering index (CRI, Ra = 87.3, R9 = 80.6), and high luminous efficiency (LE = 100.6 lm/W) at 300 mA. These results indicate that hydrophobic silane coupling agent (SCA) surface modification was a promising strategy for enhancing moisture resistance of humidity-sensitive phosphors, exhibiting great potential for practical applications. PMID- 29211451 TI - CLIP6-PNA-Peptide Conjugates: Non-Endosomal Delivery of Splice Switching Oligonucleotides. AB - Efficient delivery of oligonucleotides still remains a challenge in the field of oligonucleotide based therapy. Peptide nucleic acid (PNA), a DNA analogue that is typically synthesized by solid phase peptide chemistry, has been conjugated to a variety of cell penetrating peptides (CPP) as a means of improving its cellular uptake. These CPPs typically deliver their cargoes into cells by an endosomal dependent mechanism resulting in lower bioavailability of the cargo. Herein, we designed and synthesized PNA-peptide conjugates as splice switching oligonucleotides (SSO) targeting the Mnk2 gene, a therapeutic target in cancer. In humans, the MKNK2 gene, is alternatively spliced, generating isoforms with opposite biological activities: Mnk2a and Mnk2b. It was found that the Mnk2a isoform is down-regulated in breast, lung, brain, and colon tumors and is a tumor suppressor, whereas MnK2b is oncogenic. We have designed and synthesized PNAs that were conjugated to either of the following peptides: a nuclear localization sequence (NLS) or a cytosol localizing internalization peptide (CLIP6). CLIP6-PNA demonstrates effective cellular uptake and exclusively employs a nonendosomal mechanism to cross the cellular membranes of glioblastoma cells (U87). Simple incubation of PNA-peptide conjugates in human glioblastoma cells up-regulates the Mnk2a isoform leading to cancer cell death. PMID- 29211452 TI - Promoted Chondrogenesis of Cocultured Chondrocytes and Mesenchymal Stem Cells under Hypoxia Using In-situ Forming Degradable Hydrogel Scaffolds. AB - We investigated the effects of different oxygen tension (21% and 2.5% O2) on the chondrogenesis of different cell systems cultured in pH-degradable PVA hydrogels, including human articular chondrocytes (hACs), human mesenchymal stem cells (hMSCs), and their cocultures with a hAC/hMSC ratio of 20/80. These hydrogels were prepared with vinyl ether acrylate-functionalized PVA (PVA-VEA) and thiolated PVA-VEA (PVA-VEA-SH) via Michael-type addition reaction. The rheology tests determined the gelation of the hydrogels was controlled within 2-7 min, dependent on the polymer concentrations. The different cell systems were cultured in the hydrogel scaffolds for 5 weeks, and the safranin O and GAG assay showed that hypoxia (2.5% O2) greatly promoted the cartilage matrix production with an order of hAC > hAC/hMSC > hMSC. The real time quantitative PCR (RT-PCR) revealed that the hMSC group exhibited the highest hypertrophic marker gene expression (COL10A1, ALPL, MMP13) as well as the dedifferentiated marker gene expression (COL1A1) under normoxia conditions (21% O2), while these expressions were greatly inhibited by coculturing with a 20% amount of hACs and significantly further repressed under hypoxia conditions, which was comparative to the sole hAC group. The enzyme-linked immunosorbent assay (ELISA) also showed that coculture of hMSC/hAC greatly reduced the catabolic gene expression of MMP1 and MMP3 compared with the hMSC group. It is obvious that the hypoxia conditions promoted the chondrogenesis of hMSC by adding a small amount of hACs, and also effectively inhibited their hypotrophy. We are convinced that coculture of hAC/hMSC using in situ forming hydrogel scaffolds is a promising approach to producing cell source for cartilage engineering without the huge needs of primary chondrocyte harvest and expansion. PMID- 29211453 TI - Biodegradable Polymer Nanoparticles for Photodynamic Therapy by Bioluminescence Resonance Energy Transfer. AB - Conventional photodynamic therapy is severely constrained by the limited light penetration depth in tissue. Here, we show efficient photodynamic therapy (PDT) mediated by bioluminescence resonance energy transfer (BRET) that overcomes the light-penetration limitation. The photosensitizer Rose Bengal (RB) was loaded in biodegradable poly(lactic-co-glycolic acid) (PLGA) nanoparticles, which were then conjugated with firefly luciferase. Spectroscopic characterizations indicated that BRET effectively activated RB to generate reactive oxygen species (ROS). In vitro studies of the cellular cytotoxicity and photodynamic effect indicated that cancer cells were effectively destroyed by BRET-PDT treatment. In vivo studies in a tumor-bearing mouse model demonstrated that tumor growth was significantly inhibited by BRET-PDT in the absence of external light irradiation. The BRET mediated phototherapy provides a promising approach to overcome the light penetration limitation in photodynamic treatment of deep-seated tumors. PMID- 29211454 TI - Latent Warheads for Targeted Cancer Therapy: Design and Synthesis of pro Pyrrolobenzodiazepines and Conjugates. AB - Pyrrolobenzodiazepines (PBDs) and their dimers (bis-PBDs) have emerged as some of the most potent chemotherapeutic compounds, and are currently under development as novel payloads in antibody-drug conjugates (ADCs). However, when used as stand alone therapeutics or as warheads for small molecule drug conjugates (SMDCs), dose-limiting toxicities are often observed. As an elegant solution to this inherent problem, we designed diazepine-ring-opened conjugated prodrugs lacking the imine moiety. Once the prodrug (pro-PBD) conjugate enters a targeted cell, cleavage of the linker system triggers the generation of a reactive intermediate possessing an aldehyde and aromatic amine. An intramolecular ring-closing reaction subsequently takes place as the aromatic amine adds to the aldehyde with the loss of water to give the imine and, as a result, the diazepine ring. In our pro-PBDs, we mask the aldehyde as a hydrolytically sensitive oxazolidine moiety which in turn is a part of a reductively labile self-immolative linker system. To prove the range of applications for this new class of latent DNA-alkylators, we designed and synthesized several novel latent warheads: pro-PBD dimers and hybrids of pro-PBD with other sequence-selective DNA minor groove binders. Preliminary preclinical pharmacology studies showed excellent biological activity and specificity. PMID- 29211455 TI - mRNA-Initiated, Three-Dimensional DNA Amplifier Able to Function inside Living Cells. AB - DNA molecular machines show great promise in fields such as biomarker discovery and biological activity regulation, but operating DNA machines with specific functions within living systems remains extremely challenging. Although DNA machines have been engineered with exact molecular-level specifications, some intrinsic imperfections such as poor cell permeation and fragility in complex cytoplasmic milieu persist due to the well-established character of nucleic acid molecules. To circumvent these problems, we herein report a molecularly engineered, entropy-driven three-dimensional DNA amplifier (EDTD) that can operate inside living cells in response to a specific mRNA target. In particular, mRNA target/EDTD interaction can specifically initiate an autonomous DNA circuit inside living cells owing to the exclusive entropy-driven force, thus providing enormous signal amplification for ultrasensitive detection of the mRNA. Moreover, owing to molecular engineering of a unique DNA tetrahedral framework into the DNA amplifier, EDTD exhibits significantly enhanced biostability and cellular uptake efficiency, which are prerequisites for DNA machines used for in vivo applications. This programmable DNA machine presents a simple and modular amplification mechanism for the detection of intracellular biomarkers. Moreover, this study provides a potentially valuable molecular tool for understanding the chemistry of cellular systems and offers a design blueprint for further expansion of DNA nanotechnology in living systems. PMID- 29211456 TI - Ultrastable Gold Nanoparticles Modified by Bidentate N-Heterocyclic Carbene Ligands. AB - Highly stable gold nanoparticles (Au NPs) functionalized by bidentate N heterocyclic carbene (NHC) ligands have been synthesized by top-down and bottom up approaches. A detailed study of the effect of alkylation, denticity, and method of synthesis has led to the production of NHC-stabilized nanoparticles with higher thermal stability than bi- and tridentate thiol-protected Au NPs and than monodentate NHC-stabilized NPs. Importantly, bidentate NHC-protected NPs also displayed unprecedented stability to external thiol, which has been an unsolved problem to date with all nanoparticles. Thus, multidentate NHC ligands are an important, and as yet unrecognized, step forward for the preparation of high stability nanomaterials. PMID- 29211457 TI - 1H NMR Spectroscopy of [FeFe] Hydrogenase: Insight into the Electronic Structure of the Active Site. AB - The [FeFe] hydrogenase HydA1 from Chlamydomonas reinhardtii has been studied using 1H NMR spectroscopy identifying the paramagnetically shifted 1H resonances associated with both the [4Fe-4S]H and the [2Fe]H subclusters of the active site "H-cluster". The signal pattern of the unmaturated HydA1 containing only [4Fe 4S]H is reminiscent of bacterial-type ferredoxins. The spectra of maturated HydA1, with a complete H-cluster in the active Hox and the CO-inhibited Hox-CO state, reveal additional upfield and downfield shifted 1H resonances originating from the four methylene protons of the azadithiolate ligand in the [2Fe]H subsite. The two axial protons are affected by positive spin density, while the two equatorial protons experience negative spin density. These protons can be used as important probes sensing the effects of ligand-binding to the catalytic site of the H-cluster. PMID- 29211458 TI - Dopant-Free Tetrakis-Triphenylamine Hole Transporting Material for Efficient Tin Based Perovskite Solar Cells. AB - Developing dopant-free hole transporting layers (HTLs) is critical in achieving high-performance and robust state-of-the-art perovskite photovoltaics, especially for the air-sensitive tin-based perovskite systems. The commonly used HTLs require hygroscopic dopants and additives for optimal performance, which adds extra cost to manufacturing and limits long-term device stability. Here we demonstrate the use of a novel tetrakis-triphenylamine (TPE) small molecule prepared by a facile synthetic route as a superior dopant-free HTL for lead-free tin-based perovskite solar cells. The best-performing tin iodide perovskite cells employing the novel mixed-cation ethylenediammonium/formamidinium with the dopant free TPE HTL achieve a power conversion efficiency as high as 7.23%, ascribed to the HTL's suitable band alignment and excellent hole extraction/collection properties. This efficiency is one of the highest reported so far for tin halide perovskite systems, highlighting potential application of TPE HTL material in low cost high-performance tin-based perovskite solar cells. PMID- 29211459 TI - An Organometallic Cu20 Nanocluster: Synthesis, Characterization, Immobilization on Silica, and "Click" Chemistry. AB - The development of atomically precise nanoclusters (APNCs) protected by organometallic ligands, such as acetylides and hydrides, is an emerging area of nanoscience. In principle, these organometallic APNCs should not require harsh pretreatment for activation toward catalysis, such as calcination, which can lead to sintering. Herein, we report the synthesis of the mixed-valent organometallic copper APNC, [Cu20(CCPh)12(OAc)6)] (1), via reduction of Cu(OAc) with Ph2SiH2 in the presence of phenylacetylene. This cluster is a rare example of a two-electron copper superatom, and the first to feature a tetrahedral [Cu4]2+ core, which is a unique "kernel" for a Cu-only superatom. Complex 1 can be readily immobilized on dry, partially dehydroxylated silica, a process that cleanly results in release of 1 equiv of phenylacetylene per Cu20 cluster. Cu K-edge EXAFS confirms that the immobilized cluster 2 is structurally similar to 1. In addition, both 1 and 2 are effective catalysts for [3+2] cycloaddition reactions between alkynes and azides (i.e., "Click" reactions) at room temperature. Significantly, neither cluster requires any pretreatment for activation toward catalysis. Moreover, EXAFS analysis of 2 after catalysis demonstrates that the cluster undergoes no major structural or nuclearity changes during the reaction, consistent with our observation that supported cluster 2 is more stable than unsupported cluster 1 under "Click" reaction conditions. PMID- 29211460 TI - Impact of a Model Soil Microorganism and of Its Secretome on the Fate of Silver Nanoparticles. AB - Sulfidation is a key process for silver nanoparticles released from consumer products in the environment. This study focuses on the impact of a model soil microorganism, Bacillus subtilis, on the fate of pristine and already sulfidized Ag-NPs. The nanoparticles were incubated with the initial growth medium, isolated secretome, and living bacteria, and characterized for their size and morphology, agglomeration state, structure, and Ag speciation. No Ag internalization or sorption on the cell wall was detected. A partial sulfidation, leading to an Ag Ag2S core-shell structure, was observed in the presence of the secretome, and the rate limiting step of the reaction was the oxidation of Ag0, and it was favored near the crystal dislocations. The sulfidation was complete in the presence of the living bacteria and followed an indirect pathway. Both crystalline Ag2S and amorphous Ag2S and/or Ag-thiol were identified. At the opposite, the bacteria had no impact on Ag2S. These results suggest that microorganisms participate in the sulfidation of Ag-NPs in aerobic systems such as unsaturated soils, and thus affect the bioavailability of Ag. It is important to take these transformations into account during exposure experiments, since they drastically change the exposure conditions. Finally, the secretome of B. subtilis might be used for the green synthesis of Ag-Ag2S core-shell nanoparticles. PMID- 29211461 TI - Quantification of Substitution of Gelatin Methacryloyl: Best Practice and Current Pitfalls. AB - Cross-linkable gelatin methacryloyl (GM) is widely used for the generation of artificial extracellular matrix (ECM) in tissue engineering. However, the quantification of modified groups in GM is still an unsolved issue, although this is the key factor for tailoring the physicochemical material properties. In this contribution, 1H-13C-HSQC NMR spectra are used to gain detailed structural information on GMs and of 2-fold modified gelatin containing methacryloyl and acetyl groups (GMAs). Distinctive identification of methacrylate, methacrylamide, and acetyl groups present in GMs and GMAs revealed an overlap of methacrylamide and modified hydroxyproline signals in the 1H NMR spectrum. Considering this, we suggest a method to quantify methacrylate and methacrylamide groups in GMs precisely based on simple 1H NMR spectroscopy with an internal standard. Quantification of acetylation in GMAs is also possible, yet, 2D NMR spectra are necessary. The described methods allow direct quantification of modified groups in gelatin derivatives, making them superior to other, indirect methods known so far. PMID- 29211462 TI - The Eponymous Cofactors in Cytochrome P460s from Ammonia-Oxidizing Bacteria Are Iron Porphyrinoids Whose Macrocycles Are Dibasic. AB - The enzymes hydroxylamine oxidoreductase and cytochrome (cyt) P460 contain related unconventional "heme P460" cofactors. These cofactors are unusual in their inclusion of nonstandard cross-links between amino acid side chains and the heme macrocycle. Mutagenesis studies performed on the Nitrosomonas europaea cyt P460 that remove its lysine-heme cross-link show that the cross-link is key to defining the spectroscopic properties and kinetic competence of the enzyme. However, exactly how this cross-link confers these features remains unclear. Here we report the 1.45 A crystal structure of cyt P460 from Nitrosomonas sp. AL212 and conclude that the cross-link does not lead to a change in hybridization of the heme carbon participating in the cross-link but rather enforces structural distortions to the macrocycle away from planarity. Time-dependent density functional theory coupled to experimental structural and spectroscopic analysis suggest that this geometric distortion is sufficient to define the spectroscopic properties of the heme P460 cofactor and provide clues toward establishing a relationship between heme P460 electronic structure and function. PMID- 29211463 TI - Direct Detection of Multiple Acidic Proton Sites in Zeolite HZSM-5. AB - Direct observation of multiple reactive sites in the zeolite HZSM-5, a member of the MFI family of zeolite structures, contradicts the traditional view of only one type of active protonic species in industrially important zeolites. In addition to the well-known Bronsted acid site proton, two other protonic species undergo room-temperature hydrogen-deuterium exchange with an alkane hydrocarbon reagent, including one zeolite moiety characterized by a broad 1H chemical shift at ca. 12-15 ppm that is reported here for the first time. Although the ca. 13 ppm chemical shift value is consistent with computational predictions from the literature for a surface-stabilized hydroxonium ion in a zeolite, data suggest that the signal does not arise from hydroxonium species but rather from hydroxyls on extra-lattice aluminol species proximate to Bronsted lattice sites, i.e., a small population of highly deshielded acid sites. Double-resonance experiments show that this species is proximate to Al atoms, similar to the Bronsted acid site proton. These sites can be removed by appropriate postsynthesis chemical treatment, yielding a catalyst with reduced activity for isotopic H/D exchange reactions. Additionally, other extra-lattice aluminum hydroxyl groups previously discussed in the literature but whose protons were considered unreactive are also shown for the first time to react with hydrocarbon probe molecules. Two dimensional exchange NMR reveals direct proton exchange between the Bronsted site and these two types of extra-lattice Al-OH species, and it also reveals unexpected proton exchange between extra-lattice Al-OH species and an alkane reagent. PMID- 29211464 TI - The Case Against Charge Transfer Interactions in Dissolved Organic Matter Photophysics. AB - The optical properties of dissolved organic matter influence chemical and biological processes in all aquatic ecosystems. Dissolved organic matter optical properties have been attributed to a charge-transfer model in which donor acceptor complexes play a primary role. This model was evaluated by measuring the absorbance and fluorescence response of organic matter isolates to changes in solvent temperature, viscosity, and polarity, which affect the position and intensity of spectra for known donor-acceptor complexes of organic molecules. Absorbance and fluorescence spectral shape were largely unaffected by these changes, indicating that the distribution of absorbing and emitting species was unchanged. Overall, these results call into question the wide applicability of the charge-transfer model for explaining organic matter optical properties and suggest that future research should explore other models for dissolved organic matter photophysics. PMID- 29211465 TI - Gene Coexpression Networks Drive and Predict Reproductive Effects in Daphnia in Response to Environmental Disturbances. AB - Increasing effects of anthropogenic stressors and those of natural origin on aquatic ecosystems have intensified the need for predictive and functional models of their effects. Here, we use gene expression patterns in combination with weighted gene coexpression networks and generalized additive models to predict effects on reproduction in the aquatic microcrustacean Daphnia. We developed models to predict effects on reproduction upon exposure to different cyanobacteria, different insecticides and binary mixtures of cyanobacteria and insecticides. Models developed specifically for groups of stressors (e.g., either cyanobacteria or insecticides) performed better than general models developed on all data. Furthermore, models developed using in silico generated mixture gene expression profiles from single stressor data were able to better predict effects on reproduction compared to models derived from the mixture exposures themselves. Our results highlight the potential of gene expression data to quantify effects of complex exposures at higher level organismal effects without prior mechanistic knowledge or complex exposure data. PMID- 29211466 TI - Identification of Unknown Antiandrogenic Compounds in Surface Waters by Effect Directed Analysis (EDA) Using a Parallel Fractionation Approach. AB - Among all the nuclear-receptor mediated endocrine disruptive effects, antiandrogenicity is frequently observed in aquatic environments and may pose a risk to aquatic organisms. Linking these effects to responsible chemicals is challenging and a great share of antiandrogenic activity detected in the environment has not been explained yet. To identify drivers of this effect at a hot spot of antiandrogenicity in the German river Holtemme, we applied effect directed analysis (EDA) including a parallel fractionation approach, a downscaled luciferase reporter gene cell-based anti-AR-CALUX assay and LC-HRMS/MS nontarget screening. We identified and confirmed the highly potent antiandrogen 4-methyl-7 diethylaminocoumarin (C47) and two derivatives in the active fractions. The relative potency of C47 to the reference compound flutamide was over 5.2, whereas the derivatives were less potent. C47 was detected at a concentration of 13.7 MUg/L, equal to 71.4 MUg flutamide equivalents per liter (FEq/L) in the nonconcentrated water extract that was posing an antiandrogenic activity equal to 45.5 (+/-13.7 SD) FEq/L. Thus, C47 was quantitatively confirmed as the major cause of the measured effect in vitro. Finally, the antiandrogenic activity of C47 and one derivate was confirmed in vivo in spiggin-gfp Medaka. An endocrine disrupting effect of C47 was observed already at the concentration equal to the concentration in the nonconcentrated water extract, underlining the high risk posed by this compound to the aquatic ecosystem. This is of some concern since C47 is used in a number of consumer products indicating environmental as well as human exposure. PMID- 29211467 TI - Toward Direct Protein S-Persulfidation: A Prodrug Approach That Directly Delivers Hydrogen Persulfide. AB - A general strategy of delivering hydrogen persulfide (H2S2) is described herein. Esterase- and phosphatase-sensitive H2S2 prodrugs with tunable release rates have been synthesized. Their utility is validated in examining protein S persulfidation. With this unique approach of directly delivering H2S2, our findings reaffirmed that S-persulfidation leads to decreased activity of glyceraldehyde 3-phosphate dehydrogenase. This new approach complements available prodrugs/donors that directly deliver a single species, including hydrogen sulfide, perthiol, and COS, and will be very useful as part of the toolbox for delineating the mechanisms of sulfur signaling. PMID- 29211468 TI - Visualizing Intercellular Tensile Forces by DNA-Based Membrane Molecular Probes. AB - Mechanical forces play critical roles in collective cell behaviors such as cell migration, proliferation, and differentiation. Extensive efforts have been made to measure forces between cells and extracellular matrices. However, force studies at cell-cell junctions remain a challenge. Herein, we reported a novel strategy to construct membrane DNA tension probes to visualize tensile forces at cell junctions. These lipid-modified probes can self-assemble onto cell membranes with high efficiency and stability. Upon experiencing tensile forces generated by neighboring cells, unfolding of the probes leads to a large increase in the fluorescence intensity. Compatible with readily accessible fluorescence microscopes, these easy-to-use membrane DNA tension probes can be broadly used to measure intercellular tensile forces. PMID- 29211469 TI - Machine Learning of Dynamic Electron Correlation Energies from Topological Atoms. AB - We present an innovative method for predicting the dynamic electron correlation energy of an atom or a bond in a molecule utilizing topological atoms. Our approach uses the machine learning method Kriging (Gaussian Process Regression with a non-zero mean function) to predict these dynamic electron correlation energy contributions. The true energy values are calculated by partitioning the MP2 two-particle density-matrix via the Interacting Quantum Atoms (IQA) procedure. To our knowledge, this is the first time such energies have been predicted by a machine learning technique. We present here three important proof of-concept cases: the water monomer, the water dimer, and the van der Waals complex H2...He. These cases represent the final step toward the design of a full IQA potential for molecular simulation. This final piece will enable us to consider situations in which dispersion is the dominant intermolecular interaction. The results from these examples suggest a new method by which dispersion potentials for molecular simulation can be generated. PMID- 29211470 TI - A Dipolar Cycloaddition Reaction To Access 6-Methyl-4,5,6,7-tetrahydro-1H [1,2,3]triazolo[4,5-c]pyridines Enables the Discovery Synthesis and Preclinical Profiling of a P2X7 Antagonist Clinical Candidate. AB - A single pot dipolar cycloaddition reaction/Cope elimination sequence was developed to access novel 1,4,6,7-tetrahydro-5H-[1,2,3]triazolo[4,5-c]pyridine P2X7 antagonists that contain a synthetically challenging chiral center. The structure-activity relationships of the new compounds are described. Two of these compounds, (S)-(2-fluoro-3-(trifluoromethyl)phenyl)(1-(5-fluoropyrimidin-2-yl)-6 methyl-1,4,6,7-tetrahydro-5H-[1,2,3]triazolo[4,5-c]pyridin-5-yl)methanone (compound 29) and (S)-(3-fluoro-2-(trifluoromethyl)pyridin-4-yl)(1-(5 fluoropyrimidin-2-yl)-6-methyl-1,4,6,7-tetrahydro-5H-[1,2,3]triazolo[4,5 c]pyridin-5-yl)methanone (compound 35), were found to have robust P2X7 receptor occupancy at low doses in rat with ED50 values of 0.06 and 0.07 mg/kg, respectively. Compound 35 had notable solubility compared to 29 and showed good tolerability in preclinical species. Compound 35 was chosen as a clinical candidate for advancement into phase I clinical trials to assess safety and tolerability in healthy human subjects prior to the initiation of proof of concept studies for the treatment of mood disorders. PMID- 29211471 TI - A Rejection Scheme for Off-Lattice Kinetic Monte Carlo Simulation. AB - We introduce a new kinetic Monte Carlo (KMC) algorithm for off-lattice simulation. In off-lattice KMC, one needs to calculate the rates for all possible moves from the current state by searching the energy landscape for index 1 saddle points surrounding the current basin of attraction. We introduce a rejection scheme in which the true rates are replaced by rate estimates. This is done by first associating each saddle point with the atom that would move the most if that transition were to take place and then constructing an estimate for the total rate associated with each atom by using a nearest-neighbor bond count. These estimates allow one to select a set of possible transitions, one of which is accepted or rejected on the basis of a localized saddle point search focused on a particular atom. In principle, this allows a performance boost that scales with the number of particles in the system. We test the method on a growing two species nanocluster and find we can reduce the computation time by 90% for clusters that contain ~55 particles and 96% for clusters that contain ~65 particles. PMID- 29211472 TI - Tuning the Viscoelastic-Gel Transition of Single-Wall Carbon Nanotubes Embedded in pH-Responsive Polyelectrolyte Solutions. AB - We present the detailed rheological changes that occur when small quantities of single-wall carbon nanotubes are dispersed in a poly(acrylic acid) water solution, around the overlap polymer concentration, up to the gel point. Here, pH is used to tune the gel formation. Suspensions of nanotubes at pH <= 5 are exfoliated and dispersed by the polymer. Contacts between the nanotubes are mainly through polymer entangling, and the suspension is viscoelastic. At pH > 5, the polymer is charged, and the solution is not a good solvent for the nanotubes anymore. Nanotube bundles covered with polymer are formed and mechanically percolate along the fluid until they become arrested. As a consequence, the rheological behavior is dominated by a mesoscale superstructure formed by nanotubes and polymer, where viscoelasticity is lost and the suspension becomes elastic. At pH >= 9, the surroundings for the nanotubes are worse, bundles and flocs grow to a larger extent, and they can be observable by scanning microscopies. When the suspension becomes a critical gel, the relaxation moduli can be modeled by a power law in the frequency domain in agreement with the model developed by Winter and co-workers. PMID- 29211473 TI - Comment on "Natural Bond Orbitals and the Nature of the Hydrogen Bond". PMID- 29211474 TI - Reply to "Comment on 'Natural Bond Orbitals and the Nature of the Hydrogen Bond'". PMID- 29211475 TI - Optimization of Orally Bioavailable Enhancer of Zeste Homolog 2 (EZH2) Inhibitors Using Ligand and Property-Based Design Strategies: Identification of Development Candidate (R)-5,8-Dichloro-7-(methoxy(oxetan-3-yl)methyl)-2-((4-methoxy-6-methyl 2-oxo-1,2-dihydropyridin-3-yl)methyl)-3,4-dihydroisoquinolin-1(2H)-one (PF 06821497). AB - A new series of lactam-derived EZH2 inhibitors was designed via ligand-based and physicochemical-property-based strategies to address metabolic stability and thermodynamic solubility issues associated with previous lead compound 1. The new inhibitors incorporated an sp3 hybridized carbon atom at the 7-position of the lactam moiety present in lead compound 1 as a replacement for a dimethylisoxazole group. This transformation enabled optimization of the physicochemical properties and potency compared to compound 1. Analysis of relationships between calculated log D (clogD) values and in vitro metabolic stability and permeability parameters identified a clogD range that afforded an increased probability of achieving favorable ADME data in a single molecule. Compound 23a exhibited the best overlap of potency and pharmaceutical properties as well as robust tumor growth inhibition in vivo and was therefore advanced as a development candidate (PF 06821497). A crystal structure of 23a in complex with the three-protein PRC2 complex enabled understanding of the key structural features required for optimal binding. PMID- 29211476 TI - Applying Machine Learning to Vibrational Spectroscopy. AB - The low-energy region of the potential energy surface (PES) of the protonated phenylalanine/serine dimer is mapped using the basin-hoping search algorithm, and 37 isomers are identified within 180 kJ.mol-1 of the global-minimum structure. Cluster structures are grouped using hierarchical clustering to partition the PES in terms of nuclear configuration. Calculated IR spectra for the various isomers are then compared with the isomer-specific IR spectra by means of the cosine distance metric to facilitate spectral assignment and identify which regions of the PES are populated in the electrospray ionization process. PMID- 29211477 TI - Titanium(III)-Oxo Clusters in a Metal-Organic Framework Support Single-Site Co(II)-Hydride Catalysts for Arene Hydrogenation. AB - Titania (TiO2) is widely used in the chemical industry as an efficacious catalyst support, benefiting from its unique strong metal-support interaction. Many proposals have been made to rationalize this effect at the macroscopic level, yet the underlying molecular mechanism is not understood due to the presence of multiple catalytic species on the TiO2 surface. This challenge can be addressed with metal-organic frameworks (MOFs) featuring well-defined metal oxo/hydroxo clusters for supporting single-site catalysts. Herein we report that the Ti8(MU2 O)8(MU2-OH)4 node of the Ti-BDC MOF (MIL-125) provides a single-site model of the classical TiO2 support to enable CoII-hydride-catalyzed arene hydrogenation. The catalytic activity of the supported CoII-hydride is strongly dependent on the reduction of the Ti-oxo cluster, definitively proving the pivotal role of TiIII in the performance of the supported catalyst. This work thus provides a molecularly precise model of Ti-oxo clusters for understating the strong metal support interaction of TiO2-supported heterogeneous catalysts. PMID- 29211478 TI - Ultrafast Electron Transfer across a Nanocapsular Wall: Coumarins as Donors, Viologen as Acceptor, and Octa Acid Capsule as the Mediator. AB - Results of our study on ultrafast electron transfer (eT) dynamics from coumarins (coumarin-1, coumarin-480, and coumarin-153) incarcerated within octa acid (OA) capsules as electron donors to methyl viologen dissolved in water as acceptor are presented. Upon photoexcitation, coumarin inside the OA capsule transfers an electron to the acceptor electrostatically attached to the capsule leading to a long-lived radical-ion pair separated by the OA capsular wall. This charge separated state returns to the neutral ground state via back electron transfer on the nanosecond time scale. This system allows for ultrafast electron transfer processes through a molecular wall from the apolar capsular interior to the highly polar (aqueous) environment on the femtosecond time scale. Employing femtosecond transient absorption spectroscopy, distinct rates of both forward (1 25 ps) and backward eT (700-1200 ps) processes were measured. Further understanding of the energetics is provided using Rehm-Weller analysis for the investigated photoinduced eT reactions. The results provide the rates of the eT across a molecular wall, akin to an isotropic solution, depending on the standard free energy of the reaction. The insights from this work could be utilized in the future design of efficient electron transfer processes across interfaces separating apolar and polar environments. PMID- 29211479 TI - Molecular Level Understanding of Sodium Dodecyl Sulfate (SDS) Induced Sol-Gel Transition of Pluronic F127 Using Fisetin as a Fluorescent Molecular Probe. AB - The thermoreversible sol-gel transition of pluronic F127 is markedly altered even with addition of submicellar concentration of sodium dodecyl sulfate (SDS) surfactant. Multiple fluorescence parameters like fluorescence intensity, fluorescence anisotropy and fluorescence lifetime of both the prototropic forms (anion (A-*) and phototautomer FT*) of the photoprototropic fluorescent probe fisetin has been efficiently used to understand the molecular level properties like polarity and microviscosity of the PF127-SDS system as a function of temperature. The SDS-induced increase in the interfacial hydrophobicity level is seen to affect the sol-gel phase transition of PF127 (21-18 degrees C). The ET(30) polarity parameter value of anionic emission of fisetin suggests that there is a considerable decrease in the polarity of the PF127 medium with increase in temperature and with the addition of SDS. The microviscosity progressively increases from ~5 mPa s (sol state, 10 degrees C) to ~22.01 mPa s (gel state 35 degrees C) in aqueous solution of PF127. The variation in microviscosity with addition of SDS in PF127-SDS mixed system is significant in sol phase whereas in gel phase this variation is significantly less. Temperature dependent fluorescence lifetime of FT* indicates that there is heterogeneity in distribution of fisetin molecules at different domains of PF127. This work also show-cases the sensitivity of fisetin toward change in polarity and change in sol gel transition temperature of copolymer PF127 with variation in temperature (both forward and reverse directions) and SDS. PMID- 29211480 TI - Design of Small Molecule Autophagy Modulators: A Promising Druggable Strategy. AB - Autophagy is a lysosome-dependent mechanism of intracellular degradation for maintaining cellular homeostasis. Dysregulation of autophagy has been verified to be closely linked to a number of human diseases. Consequently, targeting autophagy has been highlighted as a novel therapeutic strategy for clinical utility. Mounting efforts have been done in recent years to elucidate the mechanisms of autophagy regulation and to identify potential modulators of autophagy. However, most of the compounds target complex and multifaceted pathway and proteins, which may limit the evaluation of therapeutic value and in depth studies as chemical tools. Therefore, the development of specific and active autophagy modulators becomes most desirable. Here, we briefly review the regulation of autophagy and then summarize the recent development of small molecules targeting the core autophagic machinery. Finally, we put forward our viewpoints on the current problems, with the aim to provide reference for future drug discovery and potential therapeutic perspectives on novel, potent, selective autophagy modulators. PMID- 29211481 TI - Asymmetric Synthesis of Rupestonic Acid and Pechueloic Acid. AB - In this report, the originally proposed rupestonic acid (5) and pechueloic acid (3) were efficiently synthesized. The chiral lactone 13, recycled from the degradation of saponin glycosides, was utilized to prepare the key chiral fragment 11. During the exploration of this convergent assembly strategy, the ring-closing metathesis (RCM), SmI2-prompted intermolecular addition, and [2,3] Wittig rearrangement proved to be effective transformations for the synthesis of subunits. PMID- 29211482 TI - Oriented Attachment Is a Major Control Mechanism To Form Nail-like Mn-Doped ZnO Nanocrystals. AB - Here, we present a controlled synthesis of Mn-doped ZnO nanoparticles (NPs) with predominantly nail-like shapes, whose formation occurs via tip-to-base-oriented attachment of initially formed nanopyramids, followed by leveling of sharp edges that lead to smooth single-crystalline "nails". This shape is prevalent in noncoordinating solvents such as octadecene and octadecane. Yet, the double bond in the former promotes oriented attachment. By contrast, Mn-doped ZnO NP synthesis in a weakly coordinating solvent, benzyl ether, results in dendritic structures because of random attachment of initial NPs. Mn-doped ZnO NPs possess a hexagonal wurtzite structure, and in the majority of cases, the NP surface is enriched with Mn, indicating a migration of Mn2+ ions to the NP surface during the NP formation. When the NP formation is carried out without the addition of octadecyl alcohol, which serves as a surfactant and a reaction initiator, large, concave pyramid dimers are formed whose attachment takes place via basal planes. UV-vis and photoluminescence spectra of these NPs confirm the utility of controlling the NP shape to tune electro-optical properties. PMID- 29211483 TI - Bidirectional Correlation between Mechanics and Electrochemistry of Poly(vinyl alcohol)-Based Gel Polymer Electrolytes. AB - The electrochemical-mechanical coupling property of solid electrolyte membranes is critical to improving the performance of solid-state energy storage devices. A new phenomenon was observed in which the electrochemical charge-discharge process induced aligned wrinkles on the edge of poly(vinyl alcohol)-H2SO4 gel polymer electrolytes (GPEs), which is attributed to the deformation of polymer chains under electrochemical stimulation according to multiscale simulations. In the reverse direction, by means of modeling and testing, it was proved that the ionic conductivity of GPEs can be tuned by mediating the mechanical properties of GPEs via tailoring the polymer at the nanoscale. This bidirectional correlation reveals the coupling mechanisms between mechanical and electrochemical properties of GPEs and provides an insightful understanding of the origin and regulation of the ionic conductivity of GPEs, which is fundamental to improving the performance of GPEs. PMID- 29211484 TI - Correction to "Aescin Incorporation and Nanodomain Formation in DMPC Model Membranes". PMID- 29211485 TI - Surface Characterization and Platelet Adhesion on Thin Hydrogel Films of Poly(vinyl ether). AB - Poly(vinyl ether), with short oxyethylene side chains which possess a simple and relatively polar structure, should be a unique candidate for a bioinert material thanks to its solubility in water. On the basis of living cationic copolymerization and subsequent ultraviolet light irradiation, thin films of poly(2-methoxyethyl vinyl ether) with different cross-linking densities were prepared on solid substrates. The films were thickened in water, and the extent was dependent on the cross-linking density. Although the surface chemistry and aggregation states were almost identical to one another, the stiffness, or the softness, of the outermost region in the film was strongly dependent on the cross linking density. That is, the interface between polymer and water became thicker, or more diffused, with decreasing cross-linking density. The blood compatibility based on the platelet adhesion on to the hydrogel films was better for a more diffused interface. PMID- 29211486 TI - Adsorption on Nanopores of Different Cross Sections Made by Electron Beam Nanolithography. AB - Adsorption on nanoporous matrices is characterized by a pronounced hysteresis loop in the adsorption isotherm, when the substrate is loaded and unloaded with adsorbate, the origin of which is a matter of immense debate in the literature. In this work, we report a study of argon adsorption at 85 K on nonconnecting nanopores with one end closed to the surrounding where the effects of different pore cross sections fabricated by electron beam lithography (EBL) are investigated. A polymethylmethacrylate (PMMA) resist is deposited on the electrodes of a sensitive quartz crystal microbalance without degradation of the resonance quality factor or the long-term and short-term stabilities of the device even at cryogenic temperatures. Four different pores' cross sections: circular, square, rectangular, and triangular, are produced from EBL, and the isotherms for these pore shapes exhibit pronounced hysteresis loops whose adsorption and desorption branches are nearly vertical and have almost the same slopes. No difference is observed in the hysteresis loops of the isotherms for the pores with triangular and square cross sections, whereas the hysteresis loop for the pore with circular cross sections is much narrower, suggesting that they are more regular than the other pores. All of these observations suggest that the hysteresis behavior resulted mainly from microscopic geometric irregularities present in these porous matrices. PMID- 29211487 TI - Lattice-Matched Epitaxial Graphene Grown on Boron Nitride. AB - Lattice-matched graphene on hexagonal boron nitride is expected to lead to the formation of a band gap but requires the formation of highly strained material and has not hitherto been realized. We demonstrate that aligned, lattice-matched graphene can be grown by molecular beam epitaxy using substrate temperatures in the range 1600-1710 degrees C and coexists with a topologically modified moire pattern with regions of strained graphene which have giant moire periods up to ~80 nm. Raman spectra reveal narrow red-shifted peaks due to isotropic strain, while the giant moire patterns result in complex splitting of Raman peaks due to strain variations across the moire unit cell. The lattice-matched graphene has a lower conductance than both the Frenkel-Kontorova-type domain walls and also the topological defects where they terminate. We relate these results to theoretical models of band gap formation in graphene/boron nitride heterostructures. PMID- 29211488 TI - Simultaneous Detection of H and D NMR Signals in a Micro-Tesla Field. AB - We present NMR spectra of remote-magnetized deuterated water, detected in an unshielded environment by means of a differential atomic magnetometer. The measurements are performed in a MUT field, while pulsed techniques are applied following the sample displacement-in a 100 MUT field, to tip both D and H nuclei by controllable amounts. The broad-band nature of the detection system enables simultaneous detection of the two signals and accurate evaluation of their decay times. The outcomes of the experiment demonstrate the potential of ultra-low field NMR spectroscopy in important applications where the correlation between proton and deuteron spin-spin relaxation rates as a function of external parameters contains significant information. PMID- 29211489 TI - Pregnancies and live births, active component service women, U.S. Armed Forces, 2012-2016. AB - This report summarizes data on the demographic and military characteristics of women and women of childbearing potential (WOCBP) in the active component of the U.S. Armed Forces during 2012-2016. Data on pregnancy-related care and birth rates are also presented. In 2016, WOCBP comprised the vast majority of active component service women. The largest proportions of WOCBP were in the categories of women who were 20-24 years old, non-Hispanic white, junior enlisted rank, and in a communications/intelligence occupation. WOCBP were roughly equally distributed in the Army, Navy, and Air Force, whereas only 7.5% served in the Marine Corps. Slightly more than one-quarter of WOCBP had ever deployed to the U.S. Central Command area of responsibility (CENTCOM AOR). In 2016, 13.1% of all WOCBP had at least one pregnancy-related event and 1.1% of deployed WOCBP had a pregnancy event during a deployment to CENTCOM AOR. The prevalence of pregnancy decreased slightly over the surveillance period. There were 63,879 live births during the surveillance period, for an overall live birth rate of 64.9 live births per 1,000 person-years (p-yrs). This rate of live births decreased steadily from 69.8 per 1,000 p-yrs in 2012 to 59.7 per 1,000 p-yrs in 2016. Rates of live births were highest among women who were 30-34 years old, enlisted or junior officer rank, Army, in healthcare occupations, and married. About one quarter of the total live births were cesarean deliveries. PMID- 29211490 TI - Contraception among active component service women, U.S. Armed Forces, 2012-2016. AB - This report summarizes the annual prevalence of permanent sterilization, as well as use of long- and short-acting reversible contraceptives (LARCs and SARCs, respectively), contraceptive counseling services, and use of emergency contraception from 2012 through 2016 among active component U.S. service women. Overall, 262,907 (76.2%) women of childbearing potential used either a LARC or a SARC at some time during the surveillance period. From 2012 through 2016, permanent sterilization decreased from 4.2% to 3.6%; LARC use increased from 17.2% to 21.7%; SARC use decreased from 38.5% to 30.4%; and emergency contraception use increased from 0.4% to 1.9%. Annual prevalence of contraceptive counseling only was relatively stable around 4.0%. This report estimates the length of continuation of LARCs, demonstrating that 86.1% continued their intrauterine device at 12 months, 78.5% at 24 months, and 73.4% at 36 months. These data demonstrate that the vast majority of service women have utilized at least one form of contraception, and that women are selecting LARCs in greater numbers with each passing year. The prevalence of contraceptive utilization among deployed service women is also reported. PMID- 29211491 TI - Complications and care related to pregnancy, labor, and delivery among active component service women, U.S. Armed Forces, 2012-2016. AB - Diagnoses of "complications of pregnancy, childbirth, and the puerperium" include both morbid complications and indications for routine care of pregnant women. During 2012-2016, a total of 55,601 U.S. service members with live births (n=63,879) had 657,060 medical encounters with primary diagnoses of "pregnancy complications." The most frequent diagnoses were "other" specified conditions complicating pregnancy, childbirth, or the puerperium. Numbers of medical encounters with a primary (first-listed) diagnosis of any pregnancy-related complication or indication for care decreased marginally each year between 2012 (n=178,703) and 2016 (n=146,282). The percentage of live births affected by pre eclampsia and gestational diabetes remained relatively stable during the surveillance period. For all age groups, percentages of live births affected by preterm labor decreased, but live births affected by obesity complications increased. The percentage of live births affected by gestational diabetes was more than twice as high for obese women, compared with non-obese women (12.4% vs. 5.5%). Findings suggest some opportunities to prevent sequelae for the mother and child and to mitigate longer-term impacts on force readiness. PMID- 29211492 TI - Incidence and burden of gynecologic disorders, active component service women, U.S. Armed Forces, 2012-2016. AB - This report describes the incidence, burden, and co-occurrence of four common gynecologic disorders among active component service women during 2012-2016. Overall incidence rates were highest for menorrhagia (100.9 per 10,000 person years [p-yrs]), followed by uterine fibroids (63.2 per 10,000 p-yrs), endometriosis (30.8 per 10,000 p-yrs), and polycystic ovary syndrome (PCOS, 25.3 per 10,000 p-yrs). Annual incidence rates and medical encounters for menorrhagia decreased by roughly 50% from 2012 through 2015, and then increased slightly in 2016. Annual incidence rates of PCOS decreased modestly between 2012 and 2016, whereas rates for endometriosis and uterine fibroids remained relatively stable. Service women in the Army, older service women, and non-Hispanic black service women had overall higher rates of menorrhagia, uterine fibroids, and endometriosis. Incidence of PCOS was highest among women aged 25-29 years, non Hispanic black service women, and service women in the Air Force. Approximately one-quarter (25.6%) of women with incident endometriosis, one-third (33.6%) of women with incident uterine fibroids, and 7% of women with PCOS had a co occurring incident diagnosis for menorrhagia during the surveillance period. Additional research focused on the severity of these conditions would allow for a fuller examination of the impact of these disorders on the readiness of the force and on healthcare utilization. PMID- 29211493 TI - Department of Defense Birth and Infant Health Registry: select reproductive health outcomes, 2003-2014. AB - Established following a 1998 directive, the Department of Defense Birth and Infant Health Registry (Registry) team conducts surveillance of select reproductive health outcomes among military families. Data are compiled from the Military Health System Data Repository and Defense Manpower Data Center to define the Registry cohort and outcomes of interest. Outcomes are defined using ICD 9/ICD-10 and Current Procedural Terminology codes, and include: pregnancy outcomes (e.g., live births, losses), birth defects, preterm births, and male:female infant sex ratio. This report includes data from 2003-2014 on 1,304,406 infants among military families and 258,332 pregnancies among active duty women. Rates of common adverse infant and pregnancy outcomes were comparable to or lower than those in the general US population. These observations, along with prior Registry analyses, provide reassurance that military service is not independently associated with increased risks for select adverse reproductive health outcomes. The Registry's diverse research portfolio demonstrates its unique capabilities to answer a wide range of questions related to reproductive health. These data provide the military community with information to identify successes and areas for improvement in prevention and care. PMID- 29211495 TI - Precision Medicine for Extracorporeal CO2 Removal for Acute Respiratory Distress Syndrome: CO2 Physiological Considerations. PMID- 29211494 TI - Exhaustion of Airway Basal Progenitor Cells in Early and Established Chronic Obstructive Pulmonary Disease. AB - RATIONALE: Up to 40% of smokers develop chronic obstructive pulmonary disease (COPD) over a period that spans decades. Despite the importance of COPD, much remains to be learned about susceptibility and pathogenesis, especially during early, prediagnostic stages of disease. Airway basal progenitor cells are crucial for lung health and resilience because of their ability to repair injured airways. In COPD, the normal airway epithelium is replaced with increased basal and secretory (mucous) cells and decreased ciliated cells, suggesting that progenitors are impaired. OBJECTIVES: To examine airway basal progenitor cells and lung function in smokers with and without COPD. METHODS: Bronchial biopsies taken from smokers at risk for COPD and lung cancer were used to acquire airway basal progenitor cells. They were evaluated for count, self-renewal, and multipotentiality (ability to differentiate to basal, mucous, and ciliated cells), and progenitor count was examined for its relationship with lung function. MEASUREMENTS AND MAIN RESULTS: Basal progenitor count, self-renewal, and multipotentiality were all reduced in COPD versus non-COPD. COPD progenitors produced an epithelium with increased basal and mucous cells and decreased ciliated cells, replicating the COPD phenotype. Progenitor depletion correlated with lung function and identified a subset of subjects without COPD with lung function that was midway between non-COPD with high progenitor counts and those with COPD. CONCLUSIONS: Basal progenitor dysfunction relates to the histologic and physiologic manifestations of COPD and identifies a subset that may represent an early, prediagnostic stage of COPD, indicating that progenitor exhaustion is involved in COPD pathogenesis. PMID- 29211496 TI - Reply to Morales-Quinteros et al.: Precision Medicine for Extracorporeal CO2 Removal for Acute Respiratory Distress Syndrome: CO2 Physiological Considerations. PMID- 29211498 TI - Availability of Data Supporting Tables and Figures in Articles. PMID- 29211497 TI - The Rho Kinase Isoforms ROCK1 and ROCK2 Each Contribute to the Development of Experimental Pulmonary Fibrosis. AB - Pulmonary fibrosis is thought to result from dysregulated wound repair after repetitive lung injury. Many cellular responses to injury involve rearrangements of the actin cytoskeleton mediated by the two isoforms of the Rho-associated coiled-coil-forming protein kinase (ROCK), ROCK1 and ROCK2. In addition, profibrotic mediators such as transforming growth factor-beta, thrombin, and lysophosphatidic acid act through receptors that activate ROCK. Inhibition of ROCK activation may be a potent therapeutic strategy for human pulmonary fibrosis. Pharmacological inhibition of ROCK using nonselective ROCK inhibitors has been shown to prevent fibrosis in animal models; however, the specific roles of each ROCK isoform are poorly understood. Furthermore, the pleiotropic effects of this kinase have raised concerns about on-target adverse effects of ROCK inhibition such as hypotension. Selective inhibition of one isoform might be a better-tolerated strategy. In the present study, we used a genetic approach to determine the roles of ROCK1 and ROCK2 in a mouse model of bleomycin-induced pulmonary fibrosis. Using ROCK1- or ROCK2-haploinsufficient mice, we found that reduced expression of either ROCK1 or ROCK2 was sufficient to protect them from bleomycin-induced pulmonary fibrosis. In addition, we found that both isoforms contribute to the profibrotic responses of epithelial cells, endothelial cells, and fibroblasts. Interestingly, ROCK1- and ROCK2-haploinsufficient mice exhibited similar protection from bleomycin-induced vascular leak, myofibroblast differentiation, and fibrosis; however, ROCK1-haploinsufficient mice demonstrated greater attenuation of epithelial cell apoptosis. These findings suggest that selective inhibition of either ROCK isoform has the potential to be an effective therapeutic strategy for pulmonary fibrosis. PMID- 29211499 TI - Prevalence of alcohol impairment and odds of a driver injury or fatality in on road farm equipment crashes. AB - OBJECTIVE: The objective of this article was to estimate the prevalence of alcohol impairment in crashes involving farm equipment on public roadways and the effect of alcohol impairment on the odds of crash injury or fatality. METHODS: On road farm equipment crashes were collected from 4 Great Plains state departments of transportation during 2005-2010. Alcohol impairment was defined as an involved driver having blood alcohol content of >=0.08 g/100 ml or a finding of alcohol impairment as a driver contributing circumstance recorded on the police crash report. Injury or fatality was categorized as (a) no injury (no and possible injury combined), (b) injury (nonincapacitating or incapacitating injury), and (c) fatality. Hierarchical multivariable logistic regression modeling, clustered on crash, was used to estimate the odds of an injury/fatality in crashes involving an alcohol-impaired driver. RESULTS: During the 5 years under study, 3.1% (61 of 1971) of on-road farm equipment crashes involved an alcohol-impaired driver. One in 20 (5.6%) injury crashes and 1 in 6 (17.8%) fatality crashes involved an alcohol-impaired driver. The non-farm equipment driver was significantly more likely to be alcohol impaired than the farm equipment driver (2.4% versus 1.1% respectively, P = .0012). After controlling for covariates, crashes involving an alcohol-impaired driver had 4.10 (95% confidence interval [CI], 2.30-7.28) times the odds of an injury or fatality. In addition, the non farm vehicle driver was at 2.28 (95% CI, 1.92-2.71) times higher odds of an injury or fatality than the farm vehicle driver. No differences in rurality of the crash site were found in the multivariable model. CONCLUSION: On-road farm equipment crashes involving alcohol result in greater odds of an injury or fatality. The risk of injury or fatality is higher among the non-farm equipment vehicle drivers who are also more likely to be alcohol impaired. Further studies are needed to measure the impact of alcohol impairment in on-road farm equipment crashes. PMID- 29211500 TI - Correlates of Tinder Use and Risky Sexual Behaviors in Young Adults. AB - Tinder is a frequently used geosocial networking application that allows users to meet sexual partners in their geographical vicinity. Research examining Tinder use and its association with behavioral outcomes is scarce. The objectives of this study were to explore the correlates of Tinder use and risky sexual behaviors in young adults. Participants aged 18-26 were invited to complete an anonymous online questionnaire between January and May 2016. Measures included sociodemographic characteristics, Tinder use, health related behaviors, risky sexual behaviors, and sexual attitudes. Associations among these variables were estimated using multivariate logistic regressions. The final sample consisted of 415 participants (n = 166 Tinder users; n = 249 nonusers). Greater likelihood of using Tinder was associated with a higher level of education (OR = 2.18) and greater reported need for sex (OR = 1.64), while decreased likelihood of using Tinder was associated with a higher level of academic achievement (OR = 0.63), lower sexual permissiveness (OR = 0.58), living with parents or relatives (OR = 0.38), and being in a serious relationship (OR = 0.24). Higher odds of reporting nonconsensual sex (OR = 3.22) and having five or more previous sexual partners (OR = 2.81) were found in Tinder users. Tinder use was not significantly associated with condom use. This study describes significant correlates of using Tinder and highlights a relationship between Tinder use with nonconsensual sex and number of previous sexual partners. These findings have salience for aiding public health interventions to effectively design interventions targeted at reducing risky sexual behaviors online. PMID- 29211501 TI - Viral subversion of APOBEC3s: Lessons for anti-tumor immunity and tumor immunotherapy. AB - APOBEC3s (A3) are endogenous DNA-editing enzymes that are expressed in immune cells including T lymphocytes. A3s target and mutate the genomes of retroviruses that infect immune tissues such as the human immunodeficiency virus (HIV). Therefore, A3s were classically defined as host anti-viral innate immune factors. In contrast, we and others showed that A3s can also benefit the virus by mediating escape from adaptive immune recognition and drugs. Crucially, whether A3-mediated mutations help or hinder HIV, is not up to chance. Rather, the virus has evolved multiple mechanisms to actively and maximally subvert A3 activity. More recently, extensive A3 mutational footprints in tumor genomes have been observed in many different cancers. This suggests a role for A3s in cancer initiation and progression. On the other hand, multiple anti-tumor activities of A3s have also come to light, including impact on immune checkpoint molecules and possible generation of tumor neo-antigens. Here, we review the studies that reshaped the view of A3s from anti-viral innate immune agents to host factors exploited by HIV to escape from immune recognition. Viruses and tumors share many attributes, including rapid evolution and adeptness at exploiting mutations. Given this parallel, we then discuss the pro- and anti-tumor roles of A3s, and suggest that lessons learned from studying A3s in the context of anti-viral immunity can be applied to tumor immunotherapy. PMID- 29211502 TI - Physical activity: perceptions of people with severe traumatic brain injury living in the community. AB - PRIMARY OBJECTIVE: Increasing physical activity (PA) among people with severe traumatic brain injury (TBI) represents an important long-term rehabilitation goal. To design effective interventions to promote PA, the factors associated with PA engagement post-TBI need to be understood. RESEARCH DESIGN: A qualitative study design was employed to investigate the factors influencing PA engagement in people with severe TBI living in the community. METHODS AND PROCEDURES: Face-to face interviews were conducted with eight people with severe TBI three to five years post-injury. A constant comparative method of data collection and analysis was adopted. MAIN OUTCOMES AND RESULTS: Interviews were analysed using thematic analysis. Three themes were identified: continuance of self and PA (perception of self, stage of life, and PA normality), beliefs about PA (knowledge of PA and associated benefits), and purpose of PA engagement (reasons for being physically active). Lifelong PA habits and current life priorities impacted on PA engagement post-TBI and influenced whether TBI-associated impairments were considered as a barrier to PA. CONCLUSION: Among this group of people, PA engagement post-TBI was influenced by perceptions of lifelong PA habits and current life priorities. Interventions to increase PA need to address these perceptions and adapt PA to account for life priorities within the context of TBI-associated impairments. PMID- 29211503 TI - National Health Care Spending In 2016: Spending And Enrollment Growth Slow After Initial Coverage Expansions. AB - Total nominal US health care spending increased 4.3 percent and reached $3.3 trillion in 2016. Per capita spending on health care increased by $354, reaching $10,348. The share of gross domestic product devoted to health care spending was 17.9 percent in 2016, up from 17.7 percent in 2015. Health spending growth decelerated in 2016 following faster growth in 2014 and 2015 associated with coverage expansions under the Affordable Care Act (ACA) and strong retail prescription drug spending growth. In 2016 the slowdown was broadly based, as spending for the largest categories by payer and by service decelerated. Enrollment trends drove the slowdown in Medicaid and private health insurance spending growth in 2016, while slower per enrollee spending growth influenced Medicare spending. Furthermore, spending for retail prescription drugs slowed, partly as a result of lower spending for drugs used to treat hepatitis C, while slower use and intensity of services drove the slowdown in hospital care and physician and clinical services. PMID- 29211504 TI - Usefulness of the Mobile Virtual Reality Self-Training for Overcoming a Fear of Heights. AB - A mobile virtual reality system, equipped with built-in variables such as heart rate (HR), gaze-down data, and subjective fear rating, can allow individuals with a fear of heights to overcome it by self-training. This study aimed to verify the efficacy and safety of the training program. Forty-eight volunteers completed the four-session self-training program over 2 weeks. They were allocated into either low- or high-fear group by the Acrophobia Questionnaire (AQ)-anxiety scores, and then the changes of the built-in variables and AQ-anxiety scores were analyzed between the groups. The safety was assessed using the Simulator Sickness Questionnaire (SSQ). The AQ-anxiety scores were significantly decreased after self-training in both groups, and the degree of decrease was significantly greater in the high-fear group than in the low-fear group. Gaze-down percentage and subjective fear rating showed a significant group difference, but HR did not. The SSQ scores were within the acceptable level. These results suggest that the training effect was greater in the high-fear group than in the low-fear group. This mobile program may be safely applicable to self-training for individuals with high scores on the fear of heights by repeated exposure to virtual environments with the embedded feedback system. PMID- 29211505 TI - The Effect of Dietary Nitrate on Nocturnal Sleep-Disordered Breathing and Arterial Oxygen Desaturation at High Altitude. AB - Patrician, Alexander, Harald Engan, David Lundsten, Ludger Grote, Helena Vigetun Haughey, and Erika Schagatay. The effect of dietary nitrate on nocturnal sleep disordered breathing and arterial oxygen desaturation at high altitude. High Alt Med Biol 19:21-27, 2018.-Sleep-disordered breathing and fluctuations in arterial oxygen saturation (SaO2) are common during sleep among lowlanders ascending to high altitude. Dietary nitrate (NO3-) supplementation has been shown to lower the O2 consumption in various conditions. Our objective was to investigate whether dietary NO3- could reduce sleep-disordered breathing and SaO2 desaturation during sleep at altitude. Cardiorespiratory responses during sleep were measured in 10 healthy lowlanders at 330 m and then again in the Himalayas at 3700-4900 m. Each subject received two 70 mL shots of either beetroot juice (BR; ~5.0 mmol NO3- per shot) or placebo (PL: ~0.003 mmol NO3- per shot) in a single-blinded, weighted order over two consecutive nights at altitude. At 2.5-4.5 hours into sleep at altitude, BR increased the SaO2 desaturation drop (4.2 [0.1]% with PL vs. 5.3 [0.4]% with BR; p = 0.024) and decreased the SaO2 desaturation duration (14.1 [0.9] seconds with PL to 11.1 [0.9] seconds with BR; p = 0.0.041). There was a reduction in breaths with flow limitation (p = 0.025), but no changes in Apnea Hypopnea Index (AHI), mean and minimum SaO2. The study suggests BR supplementation does not improve AHI or oxygenation, but may increase fluctuations in arterial O2 saturation during sleep at altitude in native lowlanders. PMID- 29211506 TI - Validity of low-resolution eye-tracking to assess eye movements during a rapid number naming task: performance of the eyetribe eye tracker. AB - OBJECTIVE: To evaluate the performance of the EyeTribe compared to the EyeLink for eye movement recordings during a rapid number naming test in healthy control participants. BACKGROUND: With the increasing accessibility of portable, economical, video-based eye trackers such as the EyeTribe, there is growing interest in these devices for eye movement recordings, particularly in the domain of sports-related concussion. However, prior to implementation there is a primary need to establish the validity of these devices. One current limitation of portable eye trackers is their sampling rate (30-60 samples per second, or Hz), which is typically well below the benchmarks achieved by their research-grade counterparts (e.g., the EyeLink, which samples at 500-2000 Hz). METHODS: We compared video-oculographic measurements made using the EyeTribe with those of the EyeLink during a digitized rapid number naming task (the King-Devick test) in a convenience sample of 30 controls. RESULTS: EyeTribe had loss of signal during recording, and failed to reproduce the typical shape of saccadic main sequence relationships. In addition, EyeTribe data yielded significantly fewer detectable saccades and displayed greater variance of inter-saccadic intervals than the EyeLink system. CONCLUSION: Caution is advised prior to implementation of low resolution eye trackers for objective saccade assessment and sideline concussion screening. PMID- 29211507 TI - Association of shiftwork and leukocytes among national health and nutrition examination survey respondents. AB - Shift workers may experience disrupted sleep-wake or circadian cycles which, in turn, may lead to major health problems such as hypertension, obesity, and diabetes. Research indicates that shift workers have increased levels of leukocytes. Data from the National Health and Nutrition Examination Survey (2005 2010) examined the relationship between self-reported current shiftwork and leukocytes with adjustment for important confounders. Using linear regression, we found no association between shiftwork and leukocyte counts. Those not working had elevated levels compared to day workers but values in both groups were still within normal ranges. Additional research is needed to fully understand how shiftwork influences changes in leukocyte counts. PMID- 29211508 TI - Exploring Stereotypical Perceptions of Female Players in Digital Gaming Contexts. AB - Gender stereotypes are still reported to exist in digital gaming contexts, despite the fact that participation of females is relatively equal to that of males. The current research explored a number of factors and their impact upon stereotypical perceptions and attitudes toward female players. This included avatar gender, gender identity by gaming context, as well as more general gender role beliefs. We undertook two studies, each utilizing an online questionnaire targeted toward online players. Study 1 recruited online gamers (N = 489) and compared competence perceptions of players, which varied by player gender (male, female) and avatar gender (male, female), whereby four conditions were established. Overall, player competence was perceived to be highest when male avatars were used, specifically when female players were depicted in this way. Study 2 explored the relationships between male social identity and gender-role beliefs, with sexist attitudes in gaming, and whether this varied by gaming context (massively multiplayer online [MMO] vs. first-person shooter [FPS]). Male online gamers (N = 193) were recruited, of which 112 were MMO players, and 81 were FPS players. It was found that identifying as male social identity was not related to sexist attitudes in either gaming context. However, more general gender-role beliefs were related to sexist attitudes. The findings indicate that although certain stereotypes exist (e.g., competence perceptions), these are not necessarily harvested by players' identities within communities, but may derive through more operational functions such as avatar gender. PMID- 29211509 TI - Pharmacist-based antihypertensive medication review and assignment of morning versus evening dosing of once-daily antihypertensive medications: A pilot study to assess feasibility and efficacy in chronic kidney disease patients. AB - Evening dosing of antihypertensive medications lowers nighttime blood pressure, and in one large randomized trial, it reduced the risk for cardiovascular outcomes. However, the feasibility of nighttime dosing in routine clinical practice is unknown. The purpose of this pilot study was to evaluate the effect of a brief pharmacist intervention to assign patients to take antihypertensive medications at specific times of the day. In this pilot, randomized controlled trial, 79 patients with moderate to severe chronic kidney disease (CKD) taking one or more antihypertensive medications once daily were randomized to take one once-daily antihypertensive either in the morning or in the evening. A total of 79 patients were randomized (39 to morning dosing, 40 to evening dosing). Average (SD) age was 56.5 (14) years, 68% were male, and average (SD) estimated glomerular filtration rate (eGFR) was 36.6 (8.9) mL/min/1.73m2. Adherence, defined as taking the once-daily medication at the time indicated six or seven times in the last 7 days and not taking it at any other time during the day, was 91% in the morning arm and 95% in the evening arm (p = 0.57). This pilot demonstrates the feasibility and efficacy of a pharmacist-physician collaborative to assign once-daily antihypertensive medications to either morning or evening dosing. PMID- 29211510 TI - Forced desynchronization model for a diurnal primate. AB - The circadian system is organized in a hierarchy of multiple oscillators, with the suprachiasmatic nucleus (SCN) as the master oscillator in mammals. The SCN is formed by a group of coupled cell oscillators. Knowledge of this coupling mechanism is essential to understanding entrainment and the expression of circadian rhythms. Some authors suggest that light-dark (LD) cycles with periods near the limit of entrainment may be good models for promoting internal desynchronization, providing knowledge about the coupling mechanism. As such, we evaluated the circadian activity rhythm (CAR) pattern of marmosets in LD cycles at lower limits of entrainment in order to study induced internal dissociation. To that end, two experiments were conducted: (1) 6 adult females were under symmetrical LD cycles T21, T22 and T21.5 for 60, 35 and 48 days, respectively; and (2) 4 male and 4 female adults were under T21 for 24 days followed by 18 days of LL, back to T21 for 24 days, followed by 14 days of LL. The CAR of each animal was continuously recorded. In experiment 1, vocalizations were also recorded. Under Ts shorter than 24 days, a dissociation pattern was observed for CAR and vocalizations. Two simultaneous circadian components emerged, one with the same period as the LD cycle, called the light-entrained component, and the other in free-running, denominated the non-light-entrained component. Both components were displayed in the CAR for all the animals in T21, five animals (83.3%) in T21.5 and two animals (33.3%) in T22. Our results are in accordance with the multioscillatory nature of the circadian system. Dissociation is partial synchronization to the LD cycle, with at least one group of oscillators synchronized by relative coordination and masking, while another group of oscillators free runs, but is also masked by the LD cycle. Since only T21 promoted the emergence of both circadian components in the circadian rhythms of all marmosets, it was considered the promoter period of circadian rhythm dissociation in this species, and is proposed as a good animal model for forced desynchronization in non-human diurnal primates. PMID- 29211511 TI - Mitochondrial tRNAAla C5601T mutation may modulate the clinical expression of tRNAMet A4435G mutation in a Han Chinese family with hypertension. AB - Mutations in mitochondrial DNA, especially in mitochondrial tRNA (mt-tRNA) genes, are the important causes for maternally inherited hypertension. In this study, we reported the clinical, genetic, and molecular characterization of a Han Chinese family with hypertension. Most strikingly, this family exhibited a high penetrance and expressivity of hypertension. Sequence analysis of the complete mt tRNA genes showed the presence of tRNAMet A4435G and tRNAAla C5601T mutations. The A4435G had already been reported as a pathogenic mutation associated with hypertension; in addition, the C5601T mutation, which was located at the highly conserved nucleotide of T arm of tRNAAla, created a novel Watson-Crick base pairing and may result in failure of tRNA metabolism. Moreover, bioinformatics analysis indicated that the C5601T mutation altered the secondary structure of tRNAAla. Thus, the mitochondrial dysfunction, caused by the A4435G mutation, may be worsened by the C5601T mutation. Taken together, our data indicated that the co-occurrence of the A4435G and C5601T mutations may account for the high penetrance and expressivity of hypertension in this family. Therefore, our study provided novel insight into the pathophysiology of maternally inherited hypertension. PMID- 29211512 TI - Durability of Second Antiretroviral Regimens in the Italian Cohort Naive Antiretrovirals Foundation Study and Factors Associated with Discontinuation. AB - The study was designed to investigate the median duration of second antiretroviral regimens and factors associated with early discontinuation in HIV patients who switched with an undetectable viral load. We conducted a retrospective analysis of the Italian Cohort Naive Antiretrovirals Foundation Study (ICONA), which collects data throughout the country. Patients who started first antiretroviral therapy (ART) after January 1, 2008 in any center involved in this cohort and then switched to a second regimen were included in the study. Second ART failure was described as two HIV-RNA >200 copies/mL or the discontinuation of any drug. Statistical analysis was performed utilizing Kaplan Meier curves and Cox regression model. The study population included 835 patients and the median duration of first ART regimens was 16 months with HIV-RNA undetectable for 13 months. The main causes of switch to second ART regimens were toxicity (42.5%) and simplification (37.5%). The switch mostly involved the third drug (63.5%) and almost one third of the population received a single-tablet regimen (STR) as second treatment (30.6%). The median duration of second ART regimens was 9.2 months and the probabilities of treatment discontinuation at 12, 24, and 36 months were 21%, 35%, and 48.2%, respectively. STR formulations had a protective effect against second ART discontinuation. Almost half of our population needed a third regimen within 3 years, but STR could improve second ART durability. PMID- 29211514 TI - HIV Care Providers' Intentions to Prescribe and Actual Prescription of Pre Exposure Prophylaxis to At-Risk Adolescents and Adults. AB - Pre-exposure prophylaxis (PrEP) is indicated for use in US adults, and little is known about clinician intentions to prescribe and actual prescription of PrEP to adolescents younger than 18. Fifty-six clinicians who care for HIV-infected and at-risk youth completed an anonymous online survey in 2014. Primary outcomes were (1) intentions to prescribe PrEP to adolescents and adults in four risk categories [men who have sex with men (MSM), transgender women, heterosexuals with multiple partners of unknown HIV status, heterosexuals with HIV-infected partners]; and (2) actual prescription of PrEP to adolescents and adults in these risk groups. Independent variables included clinician characteristics, experience prescribing nonoccupational postexposure prophylaxis, familiarity with and knowledge of PrEP and PrEP guidance, attitudes toward PrEP, and facilitating factors for prescribing PrEP and incorporation of PrEP guidance into practice. Variables associated with intention to prescribe ("very likely to prescribe" vs. other responses) and actual prescription of PrEP stratified by age and risk category were identified in logistic regression models. Mean age was 45.9 years (standard deviation 10.7); 64% were physicians. More clinicians reported high intention to prescribe PrEP to adult versus adolescent MSM (p = 0.02) and transgender women (p = 0.001). Variables associated with intention to prescribe and prescription of PrEP differed by age and risk category. In adolescents, those variables included positive beliefs, higher number of facilitating factors, and fewer barriers to PrEP prescription. Designing strategies based on these findings that address both facilitating factors and barriers to PrEP prescription may improve PrEP uptake by at-risk youth. PMID- 29211513 TI - Facilitators and Barriers to Pre-Exposure Prophylaxis Willingness Among Young Men Who Have Sex with Men Who Use Geosocial Networking Applications in California. AB - While correlates of pre-exposure prophylaxis (PrEP) uptake have been explored among older men who have sex with men (MSM), less is known about the facilitators and barriers that encourage uptake among younger MSM (YMSM). This study explores the association between willingness to take PrEP and demographic characteristics, sexual risk, and substance use, and attitudinal factors among YMSM in California who use geosocial networking applications (GSN apps). Based on survey data from YMSM recruited through GSN apps (n = 687), PrEP willingness was positively associated with Hispanic ethnicity [adjusted odds ratio (aOR): 1.73; confidence interval (CI): 1.01-2.98; p = 0.046], concerns about drug effects (aOR: 0.46; CI: 0.33-0.65; p < 0.001), medical mistrust (aOR: 0.71; CI: 0.53-0.96; p < 0.001), and concerns about adherence (aOR: 0.65; CI: 0.49-0.89; p = 0.005). PrEP willingness was positively associated with medium (aOR: 1.87; CI: 1.14-3.07; p = 0.014) and high concern (aOR: 1.84; CI: 1.13-3.01; p < 0.001) about contracting HIV and perceived benefits of taking PrEP (aOR: 2.59; CI: 1.78-3.78; p < 0.001). In addition to emphasizing the benefits of using PrEP, campaigns that address concerns regarding adherence and side effects may increase interest in and demand for PrEP among YMSM. More opportunities are needed to educate YMSM about PrEP, including addressing their concerns about this new prevention strategy. Providers should speak openly and honestly to YMSM considering PrEP about what to do if side effects occur and how to handle missed doses. Outreach using GSN apps for PrEP education and screening may be an effective way to reach YMSM. PMID- 29211515 TI - Factors Associated with Use of Short-Term Pre-Exposure Prophylaxis for HIV Among Female Partners of Migrant Miners in Mozambique. AB - Effective interventions tailored to specific types of behaviors and contexts are needed for women at risk for HIV acquisition. Oral pre-exposure prophylaxis (PrEP) is an efficacious HIV prevention intervention that uses antiretroviral drugs to reduce the risk of acquiring HIV infection. In Mozambique, HIV remains a major public health concern, with a national prevalence of 13%. Studies have demonstrated that the migration of male miners between southern provinces of Mozambique and South Africa is contributing to the HIV epidemic in Mozambique. This increased risk is associated with the engagement of male miners, while separated from their partners, in sexual relationships with other women, including transactional sex workers, in a hyperendemic setting in South Africa. We conducted 25 in-depth interviews with a subset of female partners in a stable relationship with migrant miners participating in a prospective cohort study to assess the feasibility, acceptability, and adherence to daily oral short-term PrEP. Drug levels were available for the participants, as reported in an earlier study. Interviews were recorded, transcribed, and submitted for qualitative thematic analysis. The major themes identified were the benefits of taking PrEP, the ease of taking daily PrEP, the reluctance to disclose PrEP use to partners, the lack of changes in sexual behavior, and prevailing gender dynamics and how they impact women's ability to access PrEP and other HIV prevention interventions. PMID- 29211516 TI - Racial Discrimination and Low Household Education Predict Higher Body Mass Index in African American Youth. AB - OBJECTIVE: The purpose of this study was to examine the relationships between environmental factors, including household education, community violence exposure, racial discrimination, and cultural identity, and BMI in African American adolescents. METHODS: A community-based sample of 198 African American youth (120 girls, 78 boys; ages 11-19 years) from Washtenaw County, Michigan, were included in this analysis. Violence exposure was assessed by using the Survey of Children's Exposure to Community Violence; racial discrimination by using the Adolescent Discrimination Distress Index; cultural identity by using the Acculturation, Habits, and Interests Multicultural Scale for Adolescents; and household education by using a seven-category variable. Measured height and body weight were used to calculate BMI. RESULTS: Racial discrimination was positively associated with BMI, whereas household education was inversely associated with BMI in African American adolescents (discrimination: beta = 0.11 +/- 0.04, p = 0.01; education: beta = -1.13 +/- 0.47, p = 0.02). These relationships were significant when accounting for the confounding effects of stress, activity, diet, and pubertal development. Significant gender interactions were observed with racial discrimination and low household education associated with BMI in girls only (discrimination: beta = 0.16 +/- 0.05, p = 0.003; education: beta = 1.12 +/- 0.55, p = 0.045). There were no significant relationships between culture, community violence exposure, and BMI (all p's > 0.05). CONCLUSION: Environmental factors, including racial discrimination and low household education, predicted higher BMI in African American adolescents, particularly among girls. Longitudinal studies are needed to better understand the mechanisms by which these environmental factors increase obesity risk in African American youth. PMID- 29211517 TI - HPV Vaccination: Increase Uptake Now to Reduce Cancer. PMID- 29211518 TI - AJPH Global News. PMID- 29211519 TI - Reflections on the 70th Anniversary of the Nuremberg Doctors' Trial. PMID- 29211520 TI - Preparing and Rebuilding After Natural Disasters: A New Public Health Normal! PMID- 29211521 TI - Jeremy Struck a Chord: A Public Health Approach to Professional Musicians. PMID- 29211522 TI - Academic Literacy: Reaching Our Own. PMID- 29211523 TI - Conflict Settings: The Importance of Timely Access to Health Care. PMID- 29211524 TI - Three Stages of Health Encounters Over 8000 Human Generations and How They Inform Future Public Health. PMID- 29211525 TI - Marking the 70th Anniversary of the Doctors' Trial at Nuremberg. PMID- 29211529 TI - Can Public Health Narrow the Health Gap Between the United States and Its Peer Nations? A Public Health of Consequence, January 2018. PMID- 29211530 TI - Managing Childhood Asthma as a Strategy to Break the Cycle of Poverty. PMID- 29211531 TI - Calabrese et al. Respond. PMID- 29211532 TI - After Harvey, Irma, and Maria, an Opportunity for Better Health-Rebuilding Our Communities as We Want Them. PMID- 29211533 TI - PrEP-ared Against HIV, but Not Sexually Transmitted Infections. PMID- 29211534 TI - Disasters Through the Lens of Disparities: Elevate Community Resilience as an Essential Public Health Service. PMID- 29211535 TI - A Humanitarian Crisis: Lessons Learned From Hurricane Irma. PMID- 29211536 TI - Sexual Assertiveness Skills and Decision-Making in Adolescent Girls: Moving to Replication, Scale, and Digital Health Impact. PMID- 29211537 TI - Getting to Average Life Expectancy: It Takes Commitment. PMID- 29211538 TI - Enhancing HIV/AIDS Surveillance in the Philippines to Ensure the Transgender Population's Visibility. PMID- 29211539 TI - Public Health's Aspirational Identity: Who Do We Want to Be? PMID- 29211540 TI - Advertising Restrictions on Cannabis Products for Nonmedical Use: Necessary but Not Sufficient? PMID- 29211541 TI - Maria in Puerto Rico: Natural Disaster in a Colonial Archipelago. PMID- 29211542 TI - Climate Change, Hurricanes, and Health. PMID- 29211543 TI - Access to Medical Care for Palestinians in Israel: Delays in a Difficult Historical Context. PMID- 29211544 TI - The Type of Feeding at Discharge of Very Preterm Infants: Neonatal Intensive Care Units Policies and Practices Make a Difference. AB - OBJECTIVE: To assess the influence of neonatal intensive care units (NICUs) on feeding practices at discharge of Portuguese very preterm infants. MATERIALS AND METHODS: We analyzed data from 580 very preterm infants (<32 gestational weeks) discharged home from NICUs of two Portuguese regions and enrolled during 2011 2012 in Effective Perinatal Intensive Care in Europe population-based cohort. Maternal and infant characteristics were abstracted from medical records, and heads of NICUs provided the units characteristics. Feeding at discharge was classified as exclusive formula, exclusive breast milk or mixed, and differences among NICUs were obtained by comparison with pooled geometric mean odds of all NICUs, using multinomial logistic regression. Median odds ratios (MOR) were calculated to quantify variability among NICUs using multilevel logistic regression. RESULTS: At discharge, 25.2% very preterm infants were exclusively on breast milk, 34.1% exclusively on formula, and 40.7% had mixed feeding, with a wide variation among NICUs. Exclusive breast milk increased in NICUs that had higher numbers of admissions, provided parents eating facilities, and by having designated members to support mothers who were breastfeeding. The individual NICU odds of mixed versus exclusive formula feeding ranged from 0.36 to 2.07 and for exclusive breast milk versus exclusive formula ranged from 0.16 and 5.11. Adjusting for individual and unit characteristics, heterogeneity across NICUs remained evident, being the MOR 1.33 for mixed feeding and 1.35 for exclusive breast milk. CONCLUSIONS: NICUs influence feeding practices independently of individual characteristics, highlighting the importance of institution-based interventions to promote breast milk. PMID- 29211545 TI - Efficacy and safety of benralizumab for eosinophilic asthma: A systematic review and meta-analysis of randomized controlled trials. AB - CONTEXT: Benralizumab is a humanized monoclonal antibody that targets the alpha chain of the IL-5 receptor (IL-5Ralpha) and is currently being assessed in clinical trials for asthma control. OBJECTIVE: Our systematic review and meta analysis intends to evaluate the therapeutic efficacy and safety of benralizumab in patients with eosinophilic asthma. DATA SOURCES AND EXTRACTION: Literature searches of PubMed, Embase, and the Cochrane Library were performed to identify randomized controlled trials of benralizumab and clinic outcomes in asthmatics. RESULTS: In total, 7 articles with 2,321 subjects met our inclusion criteria. From this pooled analysis, we found that benralizumab significantly reduces exacerbations (RR: 0.63, 95% CI: 0.52-0.76, p < 0.00001; I2 = 52%, p = 0.06) compared to placebo in eosinophilic asthma. There was no statistical trend for improvement in forced expiratory volume in 1 second or asthma control indices such as Quality of Life Assessment (AQLQ) and Asthma Control Questionnaire score in benralizumab-treated patients. In addition, safety data indicated that benralizumab administration resulted no increasing incidence of adverse events and was well tolerated (RR: 1.00, 95% CI: 0.95-1.05, p = 0.96; I2 = 40%, p = 0.13). CONCLUSION: These results demonstrate the efficacy and safety of benralizumab for asthma patients with severe or uncontrolled symptoms and elevated eosinophils and provide support for benralizumab as an ideal option to treat asthma in this patient population. PMID- 29211546 TI - Association of outdoor air pollution with the prevalence of asthma in children of Latin America and the Caribbean: A systematic review and meta-analysis. AB - OBJECTIVE: This study aimed to evaluate the association between asthma prevalence and outdoor air pollution in children in Latin America and the Caribbean. DATA SOURCES: We searched studies in global and regional databases: PubMed, Scopus, LILACS and SciELO. STUDY SELECTION: Articles following a cross-sectional design, studying children from 0 to 18 years old, and comparing the prevalence of asthma in two or more areas of LAC countries with different air pollution levels were included. The exclusion criteria comprised air pollution not related to human activities. RESULTS: Database searches retrieved 384 records, while 20 studies were retained for qualitative and 16 for quantitative analysis, representing 48 442 children. We found a positive association, i.e. a higher prevalence of asthma in children living in a polluted environment, with pooled odds ratio (OR) of 1.34 (95% CI: 1.17-1.54). Heterogeneity between studies was moderate (I2: 68.39%), while the risk of bias was intermediate or high in 14 studies. In all the subgroup and sensitivity analyses, the pooled ORs were significant and higher than those found in the general analysis Conclusions: Our results showed that living in a polluted environment is significantly associated with children having asthma in LAC. Limitations of this study include the low number of studies performed in LAC countries, differences in methodologies and the risk of bias in individual studies. PMID- 29211547 TI - Prenatal exposure to polychlorinated biphenyls and asthma, eczema/hay fever, and frequent ear infections. AB - OBJECTIVES: The effects of prenatal exposure to Polychlorinated biphenyls (PCBs) on the development of asthma, frequent ear infections, and eczema/hay fever are not well understood. We aim to investigate associations between prenatal PCB exposure and these health outcomes in the offspring of women who worked at the LaSalle Electrical Utilities Company (EUC). METHODS: A retrospective cohort with at least one live birth and known employment time at EUC was eligible for this analysis. Exposure was defined and categorized by the number of fiscal quarters worked during the PCB era (1952-1981). A total of 288 women with 800 live births were included. A Chi-Square test was used to compare maternal and child characteristics across exposure groups and repeated measures logistic regression, controlling for clustering among siblings, was used to assess the associations between prenatal PCB exposure and these outcomes. RESULTS: After adjustment for confounding and independent maternal predictors, 1-4 quarters of prenatal exposure to PCBs increased the odds for asthma (OR 3.24[1.30-8.09]), eczema/hay fever (OR 3.29[1.54-7.04]), and frequent ear infections (OR 2.24[1.19-4.22]) when compared with persons unexposed/exposed only to naphthalenes. The significance of the associations varied by exposure period and level of exposure, with the strongest associations in those employed exclusively after 1952 when PCBs were introduced. CONCLUSIONS: These results support previous findings of associations of prenatal exposure to PCBs with asthma, eczema/hay fever, and frequent ear infections. Additional prospective studies are needed to confirm these findings. Also required are more precise PCB exposures to separate them from other exposures in occupational settings. PMID- 29211549 TI - Blistering disorders. AB - Preview Blisters are a manifestation of many diseases, which range from the trivial to the life-threatening. Distinguishing between these conditions can be crucial to the patient's well- being. Dr Olson presents an overview of the common causes of blistering, with emphasis on immunobullous diseases, which demand early recognition and prompt treatment. PMID- 29211548 TI - Aqueous Drainage Device Erosion: A Review of Rates, Risks, Prevention, and Repair. AB - Aqueous drainage device tube erosions require prompt intervention to prevent endophthalmitis. As the use of drainage devices in glaucoma surgery continues to increase, recognizing and managing tube erosions is a pertinent issue. This review provides a comprehensive overview of tube erosions, including the rates of erosion with various types of patch grafts, the risk factors associated with erosion, and approaches to repair in order to counsel and treat our patients to prevent endophthalmitis. PMID- 29211550 TI - Dermatologic emergencies. AB - Preview Several dermatoses are potentially fatal, and the mortality rate for some is quite high; prompt recognition and treatment are essential. Dr Gannon's succinct discussions of pemphigus vulgaris, necrotizing fasciitis, toxic epidermal necrolysis, Stevens-Johnson syndrome, toxic shock syndrome, and urticaria and angioedema will leave physicians well prepared to quickly identify these diseases and provide appropriate treatment. PMID- 29211551 TI - Unstable angina. AB - Preview Because unstable angina is often a precursor of myocardial infarction or death, patients with chest pain that persists for more than 20 minutes and is refractory to sublingual nitroglycerin should be hospitalized in an intensive care unit and given appropriate pharmacologic therapy. If symptoms persist despite adequate management with drugs, coronary arteriography should be performed and consideration given to an invasive procedure, such as angioplasty or coronary artery bypass grafting, for high-risk conditions. If necessary, the invasive procedure should be delayed until the patient's condition has stabilized. PMID- 29211553 TI - Rattlesnake bites. AB - Preview Rattlesnake bites can have a wide spectrum of physical consequences, some of them devastating. Opinion regarding appropriate management of this medical emergency is controversial and changing. In this article, the authors offer practical, up-to-date guidelines to expedite treatment that may be lifesaving. PMID- 29211552 TI - Screening for colorectal cancer. AB - Preview Although the optimal method of screening for colorectal cancer remains controversial, data clearly indicate that many deaths from the disease are preventable. Dr Lush summarizes the current recommendations for screening and reviews results of a recent study that found decreased mortality with use of a particular method of fecal occult blood testing without sigmoidoscopy. PMID- 29211554 TI - Phobias. AB - Preview When phobias compromise a person's normal lifestyle or cause ongoing anxiety, they must be dealt with. Irrational, persistent fears may lead to isolation, depression, even substance abuse. What are the features of agoraphobia? Social phobia? Simple phobia? How common are these anxiety disorders? The authors answer these questions and discuss differential diagnosis and treatment options. PMID- 29211555 TI - The Dirty Secret of Health Reform. PMID- 29211556 TI - Annular skin eruptions. AB - Preview Skin eruptions often occur in annular patterns. Fungal infections are one of the most common causes of ring-shaped eruptions, but annular patterns form in many other skin conditions as well. Dr Bart describes, illustrates, and discusses the causes and treatments of 24 disorders that can result in rings on the skin. PMID- 29211557 TI - Acoustophoretic purification of platelets: Feasibility and impact on platelet activation and function. AB - Purity, limited platelet activation, and preservation of platelet function are important stakes of preparation of platelet concentrates (PC) for clinical use. In fact, contaminating red blood cells and leukocytes, as well as activated and/or poorly functional platelets in PC, represents a risk of poor efficiency and adverse side effects during platelet transfusion. Therefore, optimization of preparation and storage of PC is still an active field of research. Shear-induced platelet activation is an unwanted side effect of the hard-spin (up to 5000g) step of centrifugation-based methods currently used in blood banks to prepare PC from whole blood samples. Here, we evaluated the effectiveness of an acoustic based fractionation device for the isolation of human platelets from whole blood bags. The purity, activation status, and functionality of platelets isolated by acoustopheresis were compared with those of platelets isolated using a reference protocol known to produce limited platelet activation and consisting of two consecutive soft-spin centrifugations (120g and 1200g). Platelet concentration and purity were determined using an automated hematology analyzer. Platelet activation status and platelet reactivity to collagen and thrombin were assessed in flow cytometry by measurement of surface expression of P-selectin and activated integrin alphaIIbbeta3. The ability of isolated platelets to incorporate into a thrombus when transfused to NOD/SCID mice was investigated by intravital microscopy using the ferric chloride-induced thrombosis model. Blood fractionation by acoustophoresis led to the elimination of more than 80% of red blood cells and leukocytes from the platelet fraction, whose mean purity was of 92.8 +/- 12.8%. The activation status and reactivity to collagen and thrombin of acoustophoresis-isolated platelets were similar to those of platelets isolated by soft-spin centrifugation. Finally, acoustophoresis-isolated platelets were tethered, adhered to the vessel wall, and incorporated into a growing thrombus following ferric chloride-induced vascular injury. Together, our results indicate that acoustophoresis is a suitable method for the isolation of human platelets with minimal platelet activation and preservation of platelet function. PMID- 29211558 TI - Obstructive sleep apnea. AB - Preview Repeated occlusion of the upper airway during sleep results in the obstructive sleep apnea syndrome. Affected individuals may experience excessive daytime sleepiness, intellectual impairment, and personality changes, and their risk of cerebrovascular accidents, ischemic heart disease, and severe respiratory failure is increased. The authors of this article examine methods of recognizing the disorder, indications for treatment, and various medical and surgical approaches to management. PMID- 29211559 TI - Acute and chronic diarrhea. AB - Preview Whether the cause of diarrhea is relatively common (eg, contaminated water) or more rare (eg, carcinoid syndrome), the result is disconcerting. Since the list of tests available to aid in diagnosis is almost endless, physicians need to follow a systematic plan to avoid enormous laboratory charges. Drs Talal and Murray offer a pragmatic approach to differential diagnosis that is suited to the primary care setting. PMID- 29211560 TI - Cardiovascular risk factors. AB - Preview New information emerges almost weekly about the relative importance of one factor or another in the development of coronary artery disease. Yet controversies continue over which factor deserves the most emphasis. Dr Elliott presents a broad and, at times, humorous look at research into cardiovascular risk factors and explains how the results can influence medical practice and public healthcare policy. PMID- 29211561 TI - Intensified insulin regimens. AB - Preview The value of intensified insulin regimens in slowing the progression of microvascular complications in patients with type I diabetes mellitus was demonstrated in the landmark Diabetes Control and Complications Trial that ended last year. In this article, Dr Hollander, who was a member of the study's multicenter research group, discusses the practical aspects of its key components and recommends methods of achieving glucose control in these patients. PMID- 29211562 TI - Diabetic ketoacidosis. AB - Preview Patients with diabetic ketoacidosis require immediate and aggressive therapy, but they may have confusing signs and symptoms. Patients are often warm and flushed despite having profound fluid depletion; they are seldom feverish but often have underlying infection. Dr Fish summarizes the clinical presentation of these patients, the four components of primary therapy, laboratory values to be monitored in tracking progress, and important details of follow-up. PMID- 29211563 TI - Pancreas transplantation for type I diabetes mellitus. AB - Preview Blindness, amputation, renal failure, premature coronary artery disease, disabling autonomic neuropathy: Most patients with type I diabetes mellitus must eventually confront one or more of these dire complications. However, carefully selected patients may benefit from the improved metabolic control provided by pancreas transplantation combined with kidney transplantation. According to the authors, the procedure is an exciting alternative to kidney transplantation alone or to dialysis. PMID- 29211564 TI - Is the "farm effect" hypothesis still current? Atopy and allergic diseases in rural and urban children in Poland. AB - OBJECTIVE: The prevalence of allergic diseases has reached epidemic proportions in the Western world. Although farm-living has been associated with a lower prevalence of asthma and atopy, a marked increase in atopy among rural populations after accession to the European Union has been recently reported in Poland. Here, we aimed to investigate the effect of living environment on the prevalence of atopy and allergic diseases in Polish children. METHODS: 400 schoolchildren aged 10-14 years from the capital city (223) and from traditional rural part of the country (177) were recruited from June to November 2011. Data on allergic diseases and symptoms were collected by means of questionnaire and physical examination. Atopy was assessed based on skin prick tests (SPTs) reactivity to inhalant allergens in 350 children. RESULTS: A high discrepancy between the prevalence of allergic symptoms (46.7%) and doctor-diagnosed allergic diseases (25%) was demonstrated (p < 0.0001). Urban children had a higher overall prevalence of allergic diseases and atopy than children living in rural areas, 29.3% versus 17.1% (p = 0.007) and 33.5% versus 20% (p = 0.0045), respectively. However, no significant differences in the rates of particular allergic diseases were noted (p > 0.05). There was higher SPT positivity to trees, grass, corn, weeds, animal dander, and molds in urban children (p < 0.05). CONCLUSIONS: Our data support the protective effect of farm-living on the prevalence of atopy and overall allergic diseases, albeit not on particular allergic diseases, in children in Poland. The underlying mechanisms are not identified, but current socioeconomic changes may be responsible. PMID- 29211565 TI - Myocardial infarction in the 1990s. AB - Preview A number of complications can be anticipated during the first hours and days after myocardial infarction. Some of these are due to the infarction itself, and others, such as intracranial hemorrhage, are a risk of the lifesaving thrombolytic therapy that a patient may be receiving. In this article, Dr Fowles describes the various complications associated with myocardial infarction, discusses prognosis and rehabilitation, and examines current management practices in the United States. PMID- 29211566 TI - Vertebral osteomyelitis. AB - Preview Bacterial infection of the spine is an uncommon disorder that causes the common symptom of back or neck pain. Prompt diagnosis and initiation of antimicrobial therapy are essential if patients are to avoid serious complications. What factors predispose some persons to vertebral osteomyelitis? Which imaging tools are most helpful in making the diagnosis and guiding biopsy or aspiration? The author answers these questions and discusses management options. PMID- 29211567 TI - Selling the Practice. PMID- 29211568 TI - Borderline personality disorder. AB - Preview Borderline personality disorder can be intriguing. The protagonists in Fatal Attraction, The Rose, and Play Misty for Me all provided dramatic examples. In a milder form, the disorder is seen fairly often in all medical settings. The authors review diagnostic characteristics of the disorder, how these show up in behavior during office visits, and tips for treating these challenging patients in the primary care setting. PMID- 29211569 TI - Acute severe asthma. AB - Preview How can the severity of an acute episode of asthma be assessed? What is a reasonable approach to corticosteroid administration in acute severe asthma? For which patients should mechanical ventilation be considered? The answers to these and other questions can be found in this guide to the evaluation and management of potentially fatal exacerbations of asthma. PMID- 29211570 TI - Physiologic evaluation of bronchial asthma. AB - Preview No physician would treat hypertension without monitoring blood pressure, but some treat bronchial asthma without objectively measuring pulmonary function. This empirical approach is inappropriate, according to the authors, who discuss key measurements that should be taken to assess disease status, guide therapy, and monitor response. Three illustrative cases stress the importance of objective evaluation of asthma. PMID- 29211571 TI - Occupational asthma. AB - Preview Patients affected by occupational asthma have respiratory symptoms that may persist for months, years, or even life. Hundreds of substances have been implicated in the disease, and the list is expected to grow. The authors discuss management of this sometimes life-threatening condition and emphasize the importance of environmental controls to prevent future cases. PMID- 29211572 TI - Nocturnal asthma and exercise-induced bronchospasm. AB - Preview More than two thirds of all patients with asthma struggle with nocturnal worsening of their symptoms, exercise-induced bronchoconstriction, or both. Understanding the causes of these problems provides a basis for controlling symptoms. Drs Wright and Martin elucidate those causes and make practical recommendations for minimizing nocturnal asthma and increasing patients' ability to exercise. PMID- 29211573 TI - Adolescent sexual intercourse. AB - Preview As sex, drugs, and rock 'n' roll have given way to STDs, HIV, and AIDS, adolescent sex has become an increasingly high- risk behavior. Dr Kay strongly believes that primary care physicians can have a prominent role in educating teens and their parents about the consequences of premature sexual activity and in promoting healthy living. In this article, he presents the case against adolescent sexual intercourse and outlines a concrete approach to dealing with adolescent patients at risk and their families. PMID- 29211574 TI - Peripheral arterial disease. AB - Preview Methods of evaluating and managing peripheral arterial disease have undergone significant changes in the last several years. In this article, Drs Krikorian and Vacek examine the place that angioplasty and other percutaneous techniques have taken in the treatment of atherosclerotic arterial disease affecting the lower extremities. PMID- 29211575 TI - Trichinosis. AB - Preview The incidence of many infectious diseases has declined as a result of modern sanitation, disease surveillance programs, and other public health measures. Trichinosis, however, continues to occur at a frequency that merits awareness by physicians. Dr Stack describes a case linked to homemade pork sausage and reviews current factors in epidemiology, diagnosis, and treatment of this uncommon but still troublesome disease. PMID- 29211576 TI - Development of a Web-Based Psychosocial Intervention for Adolescent and Young Adult Survivors of Pediatric Brain Tumor. AB - PURPOSE: To develop A Survivor's Journey, a web-based psychosocial intervention for adolescent and young adult (AYA) survivors of pediatric brain tumors (PBTs). METHODS: Stages of development included focus groups with five AYA survivors (ages 16-23 years) and six parents to identify needs and challenges, as well as surveys and interviews with clinical care providers at a survivorship clinic. RESULTS: Concerns reported by AYA survivors, parents, and providers were similar to those reported in the literature, including fatigue, memory deficits, poor mood, health concerns, and challenging peer relationships. However, concerns varied across survivors, underscoring the need for customizable interventions. Survivors and parents were interested in an intervention targeting psychosocial functioning and late effects, and reported a strong preference for web-based interventions that would reduce cost and travel burden on the family. INTERVENTION: Based on review of the literature, survivor and parent feedback, as well as provider input, a customizable intervention, A Survivor's Journey, was developed consisting of five core sessions (addressing concerns common to AYA survivors such as memory, staying positive, and problem solving) and up to seven supplemental sessions (addressing variable needs of survivors such as managing fatigue, inattention, planning/organization, communication/relationships, and self-care). CONCLUSION: Despite growing recognition of long-term challenges and late effects, there are few interventions targeting psychosocial well-being of AYA survivors. If efficacious, A Survivor's Journey will be an accessible and cost-effective intervention to improve psychosocial functioning of AYA survivors of PBT. PMID- 29211578 TI - Consensus? PMID- 29211577 TI - Measuring Quality Is Complicated. PMID- 29211579 TI - Healthcare for everyone, but how? AB - What system will ensure that all Americans can get medical care? How should it be financed? Can a standard benefits package ever be fair? Is a national health board a good idea? Recently, POSTGRADUATE MEDICINE arranged an exclusive exchange at the National Press Club in Washington, DC, between two senior fellows from groups that study such issues, with Glen C. Griffin, MD, asking the questions. The liberal viewpoint was represented by Marilyn Moon of the Urban Institute and the conservative viewpoint was represented by Peter Ferrara of the National Center for Policy Analysis. PMID- 29211580 TI - Tort reform, but what? AB - Nearly every healthcare reform plan introduced in Congress this year addresses medical malpractice. Although the tort reform goals in the plans may be similar, the methods of achieving them differ substantially. To highlight the areas that need to be resolved, we set up a dialogue between a physician and a plaintiff's attorney. The differing perspectives of Edward R. Annis, MD, former president of the American Medical Association, and Barry J. Nace, JD, past president of the Association of Trial Lawyers of America, exemplify the challenges legislators face. PMID- 29211581 TI - Can a managed care market work? AB - Has private practice medicine already died? Would government price controls on physician fees and hospital budgets contain medical costs? Should insurance coverage be reserved for catastrophic medical expenses? Dr Berenson gives his views on these questions and takes a realistic look at managed competition. PMID- 29211582 TI - Will the quality of US healthcare survive? AB - Should patients have the right to choose high-quality medical care? Yes, says the author, who explains how tax-free medical savings accounts and high-deductible insurance policies can help cut costs and allow patients and physicians to make their own decisions on minor medical problems. He also examines what he sees as the restrictions of managed care and discusses how the too liberal use of advanced technology can lead to "silent rationing." PMID- 29211583 TI - End-of-Life Care in Nursing Homes: A Qualitative Interpretive Meta-Synthesis. AB - BACKGROUND: Due to large number of deaths occurring in nursing home (NH) settings, along with reports of pain and suffering, there is great need for improvements in the provision of end-of-life (EOL) care in NHs. OBJECTIVE: The aim of this study was to develop a comprehensive understanding of the experience of dying in NHs through the perspective of residents, family, and facility staff. DESIGN: This study uses a qualitative interpretive meta-synthesis to provide a holistic view of EOL care in NHs across multiple qualitative studies. SETTING/SUBJECTS: Researchers synthesized the findings of 13 qualitative articles, including the diverse perspective of 91 dying residents, 419 NH staff, and 156 family members/caregivers across at least 44 NHs. METHODS: A qualitative meta-synthesis employs the following steps: identification of studies, theme extraction, translation, and synthesis of findings. RESULTS: Thematic analysis is organized using a conceptual model demonstrating the links between environmental and personal factors impacting EOL care in NHs. CONCLUSIONS: Findings provide support for the importance of a relational community and culture change within NHs for positive EOL experiences, in addition to providing a model to guide future research priorities. PMID- 29211584 TI - Helicobacter pylori infection. AB - Preview Since the discovery of Helicobacter pylori 10 years ago, its role in peptic ulcer disease has been recognized. Now the questions are, What is the best way to eradicate the organism, and which patients should receive treatment? Dr Anderson explores the issues concerning H pylori infection in patients with recurrent ulcers and describes the most reliable treatment regimens available. PMID- 29211585 TI - Acid reduction in peptic ulcer disease. AB - Preview Previously accepted methods of treating peptic ulcers have been pushed into the background by advances in drug therapy. In many cases, current therapy boils down to the question, Should I prescribe a histamine2 blocker or proton pump inhibitor? Several factors have to be considered in making the choice, among them the history and lifestyle of the particular patient. Dr Parent describes the characteristics of available agents and how to choose the most appropriate one. PMID- 29211586 TI - Use of NSAIDs. AB - Preview Certain populations, particularly the elderly, are vulnerable to complications from the use of nonsteroidal anti-inflammatory drugs (NSAIDs). Rates of hospital admission for perforated ulcer are rising in these patients, who have an associated risk of gastrointestinal hemorrhage and death. Studies have shown that some NSAIDs cause less harm to the stomach and duodenum than others and that prostaglandin E analogues given concomitantly may protect the mucosa. PMID- 29211587 TI - Chronic fatigue syndrome update. AB - Preview Recent research on chronic fatigue syndrome has been directed toward understanding the mechanism of symptom production rather than uncovering the underlying cause of the illness. Abnormalities of immune function, hypothalamic and pituitary function, neurotransmitter regulation, and cerebral perfusion have been found in patients with the syndrome. Dr Bell summarizes and discusses the implications of these and other findings. PMID- 29211588 TI - Infectious vaginitis. AB - Preview Until recently, vaginal candidiasis was generally managed with topical preparations, whereas trichomoniasis and bacterial vaginosis required systemic therapy. Now both topical and systemic therapies are available for vaginal candidiasis and bacterial vaginosis, although systemic therapy is still recommended for trichomoniasis. This article reviews considerations in selecting the most appropriate therapy, including drug efficacy, history of recurrence, ease of administration, and cost. PMID- 29211589 TI - Hypertension in the diabetic patient. AB - Preview When diabetes and hypertension occur in the same patient, good control of both is needed to slow the progression of atherosclerosis and diabetic nephropathy. Antihypertensive agents must be selected with caution, as they may have side effects that are detrimental to diabetic patients. Drs Kochar and Kalluru review the types of hypertension that are common with diabetes and discuss both lifestyle modifications and pharmacologic therapy. PMID- 29211591 TI - These were a Few of My Favorite Things. PMID- 29211590 TI - Drug-induced meningitis. AB - Preview Drug-induced aseptic meningitis is an unusual adverse reaction associated with a number of medications. In this report, the authors present a case related to use of trimethoprim- sulfamethoxazole and summarize the available data regarding various proposed mechanisms of drug-induced meningitis. The usual clinical presentation and course of the disorder are discussed. PMID- 29211592 TI - Quality of Diabetes Care for Individuals with Comorbid Chronic Psychotic Illness: A Sex-Based Analysis. AB - BACKGROUND: Diabetes is common among individuals with chronic psychotic illness, yet they receive lower quality of diabetes care than those without psychosis. Men usually receive higher quality diabetes care than women, but whether this holds true in chronic psychotic illness populations is unknown. We aimed to determine whether quality of diabetes care differs between men and women with chronic psychotic illness. METHODS: This population-based cohort study used Ontario health administrative data to compare women and men with comorbid chronic psychotic illness and diabetes mellitus (2011-2013). The primary outcome was adherence to diabetes monitoring guidelines, defined as >=1 retinal exam, >=4 hemoglobin A1c (HbA1c) tests, and >=1 dyslipidemia test during a 2-year period. Logistic regression models compared women to men to generate adjusted odds ratios (aOR) and confidence intervals (95% CI), adjusting for potential confounding variables. RESULTS: Women with chronic psychotic illness (n = 13,972) were slightly more likely to receive guideline-adherent diabetes monitoring than men (n = 12,287) (25.2% vs. 23.0%; aOR 1.20, 95% CI 1.10-1.30), including a greater likelihood of receiving >=1 retinal exam (aOR 1.13, 95% CI 1.08-1.19) and >=4 HbA1c tests (aOR 1.06, 95% CI 1.01-1.12). There was no difference in receipt of >=1 dyslipidemia test (aOR 1.04, 95% CI 0.99-1.11). CONCLUSIONS: Quality of diabetes monitoring is similarly poor in women and men with chronic psychotic illness, with women receiving only marginally more optimal monitoring than men. This differs from patterns in the general population, and could have implications when designing and implementing interventions to improve diabetes care in women and men with chronic psychotic illness. PMID- 29211593 TI - Improvement in Ocular Bioavailability and Prolonged Delivery of Tobramycin Sulfate Following Topical Ophthalmic Administration of Drug-Loaded Mucoadhesive Microparticles Incorporated in Thermosensitive In Situ Gel. AB - PURPOSE: Conventional topical delivery in hyperacute bacterial conjunctivitis and endophthalmitis is associated with low drug bioavailability due to rapid precorneal clearance. Hence, in the present investigation, an attempt has been made to enhance ocular bioavailability of tobramycin sulfate by formulating drug loaded microparticles dispersed in thermosensitive in situ gel. METHODS: Microparticles prepared by emulsion-ionic gelation technique were characterized for drug loading, entrapment efficiency, particle size, surface morphology, and in vitro drug release. Consequently microparticles (F2 prepared with 1.5%w/v chitosan, 0.2%w/v tripolyphosphate, and drug, 30%w/w of polymer) with high drug loading and encapsulation efficiency were dispersed in thermosensitive in situ gel containing poloxamer 407 and varying percentage of chitosan. In situ gel containing drug-loaded microparticles were evaluated for gelation temperature, rheological behavior, mucoadhesive strength, in vitro drug release, in vitro permeation, ocular irritation, and bioavailability in aqueous humor of rabbits. RESULTS: Formulation containing 17%w/v poloxamer 407 and 0.5%w/v chitosan (P2) gelled at 32 degrees C +/- 1.5 degrees C gave pseudoplastic behavior. In vitro permeability of tobramycin from the formulation P2 was found 2-folds greater than eye drops. It also gave significantly higher aqueous humor concentration of tobramycin compared with eye drops with no signs of ocular irritation. CONCLUSION: Thus, the formulation possesses high potential for treating ocular infections. PMID- 29211594 TI - Compliance with Postpartum Diabetes Screening Recommendations for Patients with Gestational Diabetes. AB - BACKGROUND: The role of provider type and level of training have not been examined in regard to impact on postpartum testing for patients with gestational diabetes mellitus (GDM). OBJECTIVE: We sought to determine rates of testing in urban GDM patients and to determine factors associated with diabetes screening compliance, focusing especially on provider type. METHODS: Class A1 or A2 GDM patients were identified by chart review. Outcomes included ordering and/or performance of postpartum testing for diabetes mellitus. Chi-squared and multivariate logistic regression analyses were performed. RESULTS: Of the 118 patients identified (55% class A1), 58% were African American, 52% had medical assistance insurance, and 83% attended the postpartum visit. Diabetes testing was discussed at 68% of all postpartum visits, but was only ordered at 55% of visits. The 2-hour glucose tolerance test was ordered at 42 of the 98 (43%) of postpartum visits; however, only 16 tests were completed. Patients seeing resident physicians or midwives were more likely to be tested. CONCLUSIONS: Rates of postpartum testing for GDM patients are low. Provider and patient compliance with diabetes screening recommendations are inadequate. Increased education and training of providers and patients may improve screening for diabetes among GDM patients. PMID- 29211595 TI - A survival kit for physicians. AB - "Just about the time you think you can make both ends meet, somebody moves the ends." As this aphorism implies, this is a time of anxiety and frustration, particularly for physicians who are caught up in the stresses and pressures of a changing healthcare system. Doublespeak from Washington and insurance companies adds to the confusion. But wait, says the author, there are strategies for coping, and he offers a number of suggestions to help ease physicians' lives in and out of the office. PMID- 29211596 TI - Who, me? An employee? AB - Politicians may have written a temporary obituary for healthcare reform, but as anyone in medicine knows, reform is alive and (debatably) well. Mergers, acquisitions, and practice changes are happening all across the land, and many a physician is going from being a small-business owner to being an employee. Difficult choices lie ahead that could affect the setting in which you practice, the way you practice, and the amount and way you are paid. Dr Rodeghero, a health compensation analyst and consultant, examines reform from the viewpoint of physician compensation. PMID- 29211597 TI - What now-move? merge? retire? stay put? AB - Most everyone is well versed about what's happening in Washington and probably in his or her own state capital regarding healthcare refonn, but what's happening at the grassroots level-with docs in the trenches? Just how has all the tunnoil affected you, your practice, your patients, and your future plans? The answers are surely as varied as the number of physicians reading these words. We interviewed four physicians from different areas and practice settings to get their answers and impressions. Participants were Barton J. Romanek, MD, of Lockhart, Texas; Timothy S. Komoto, MD, of Minneapolis; Dominic B. Brune, MD, of Zanesville, Ohio; and Philip P. Bonanni, MD, of Rochester, New York. PMID- 29211598 TI - Healthcare reform wars. AB - What's wrong with the current healthcare system, and who's to blame? How can government-run healthcare be avoided? Dr Moffit, from The Heritage Foundation in Washington, DC, analyzes the problems of the current system, explains the pitfalls of proposed reforms, and offers a solution for saving the traditional private practice system. PMID- 29211599 TI - Quantitation of salbutamol using micro-volume blood sampling - applications to exacerbations of pediatric asthma. AB - OBJECTIVES: A novel gas chromatography-mass spectrometry (GC-MS) method has been developed to quantify salbutamol in micro-volumes (10 uL) of blood. A potential application is paediatric therapeutic dose monitoring (TDM) in acute severe asthma. METHODS: At presentation, the children receive multiple doses of salbutamol (inhaled, nebulised and occasionally intravenous) but it is difficult to distinguish children who do not respond to treatment because of inadequate concentrations from those with toxicity, as symptoms are similar. A comparison was made between traditional dried blood spots (DBS) and the newly developed technique volumetric absorptive micro-sampling (VAMS), with specific investigation into the effect of drying time on analyte recovery. RESULTS: For both sampling techniques, the final assay demonstrated good precision and accuracy across the concentration range tested (3-100 ng/mL), including both the normal therapeutic and toxic range. The method was developed to comply with FDA guidelines with precision and accuracy <=15% for all concentrations, except the limit of quantification (5 ng/mL) where they were <=20%. VAMS offered advantages in sampling ease and reduced GC-MS interference. The assay was successfully applied to the quantification of blood salbutamol concentrations in three healthy volunteers dosed with 1 mg salbutamol by inhalation. CONCLUSIONS: This demonstrated its potential for use in paediatric TDM studies, where in the acute situation considerably higher doses of salbutamol will have been administered. This is the first time that a TDM method for salbutamol has been carried out using VAMS and offers all the advantages provided by DBS, whilst eliminating the inherent sampling volume inaccuracies of traditional DBS collection. PMID- 29211601 TI - Maintenance therapy for obstructive lung disease. AB - Preview In all cases of obstructive lung disease, smoking cessation, proper use of metered-dose inhalers, up-to-date immunizations, adequate nutrition, and general physical conditioning are important components of treatment. Dr Jacobs summarizes these components as well as stepwise pharmacologic approaches to controlling the inflammation of asthma, the bronchospasm of chronic bronchitis and emphysema, and the symptoms of secondary or coexisting conditions. PMID- 29211600 TI - Understanding the bone marrow microenvironment in hematologic malignancies: A focus on chemokine, integrin, and extracellular vesicle signaling. AB - Signaling between leukemia cells and nonhematopoietic cells in the bone marrow microenvironment contributes to leukemia cell growth and survival. This complicated extrinsic mechanism of chemotherapy resistance relies on a number of pathways and factors, some of which have yet to be determined. Research on cell cell crosstalk the bone marrow microenvironment in acute leukemia was presented at the 2016 annual Therapeutic Advances in Childhood Leukemia (TACL) investigator meeting. This review summarizes the mini-symposium proceedings and focuses on chemokine signaling via the cell surface receptor CXCR4, adhesion molecule signaling via integrin alpha4, and crosstalk between leukemia cells and the bone marrow microenvironment that is mediated through extracellular vesicles. PMID- 29211602 TI - Acute exacerbations of obstructive lung disease. AB - Preview Because they are rapidly effective, inhaled beta2 agonists are the cornerstone of therapy in patients having an acute exacerbation of obstructive lung disease. In addition, inhaled anticholinergics, methylxanthines, systemic corticosteroids, and antibiotics are useful in appropriate situations. The authors describe assessment of these patients (who may be critically ill at presentation), provide recommendations for conventional therapy, and summarize alternative methods. PMID- 29211603 TI - Lumbar puncture and CSF examination. AB - Preview Dr Morgenlander provides answers to some of the questions primary care physicians may have about lumbar puncture and cerebrospinal fluid (CSF) examination: What can be done to prevent post-lumbar puncture headache and how should it be treated? Does CSF pleocytosis in a patient who has had a seizure necessarily signify an underlying infectious or inflammatory process? Should every patient with dementia undergo CSF examination? PMID- 29211604 TI - Wilson's disease. AB - Preview An anxious, paranoid, disoriented patient usually requires psychiatric referral. Occasionally, such features are the first noticeable indication of an inherited copper-storage disorder. The authors describe accompanying hepatic and neurologic findings that characterize Wilson's disease and describe their recent experience in diagnosing and treating a patient with this uncommon disease. PMID- 29211605 TI - Renal adaptation to the failing heart. AB - Preview In patients with congestive heart failure, a diversity of neurohumoral and renal responses are involved in the maintenance of effective circuiting blood volume. The major clinical consequences of these responses are edema formation and, ultimately, decreased renal perfusion. In this article, the authors review the mechanisms that affect renal function in patients with systolic heart failure. A companion article on page 153 discusses use of therapeutic agents that modify these pathophysiologic sequelae. PMID- 29211606 TI - Renal adaptation to the failing heart. AB - Preview Selection of therapy for patients with systolic cardiac dysfunction must be predicated on careful assessment of the delicate interplay between the failing heart and the state of effective circulating blood volume. In this article, the authors discuss the drugs that improve systolic function and effective circulating volume and, ultimately, enhance tissue perfusion in vital organs such as the kidney. A companion article on page 141 explains the renal and neurohumoral events that occur in patients with systolic heart failure. PMID- 29211608 TI - Sliding Home. PMID- 29211607 TI - Acute polyarthritis. AB - Preview Although erythema infectiosum occurs primarily in children, the infection may be responsible for acute arthritis or arthralgia in adults. In this article, a case of acute symmetric polyarthritis affecting one of the authors is described. His symptoms were caused by parvovirus B19 infection, which was probably acquired from one of his children who had had erythema infectiosum a short time earlier. PMID- 29211609 TI - Effective use of insulin. AB - Preview Day-to-day control of diabetes demands an ongoing balance of diet, exercise, and insulin dosage that can only be achieved with regular self blood glucose monitoring. Patients need to be familiar with factors that affect the action of insulin and to know that "less is sometimes more." In this article, Dr Bohannon explains the simple concepts that lead to the most effective use of insulin. PMID- 29211610 TI - Diagnosing obstructive lung disease. AB - Preview There is considerable overlap in features and treatment of chronic obstructive pulmonary disease and asthma. Why, then, is it necessary to distinguish between the two? As the authors explain, the two diseases have different causes, risk factors, and clinical courses. Correct diagnosis, described in this article, allows physicians to take measures that reduce exacerbations and to accurately assess progress. PMID- 29211611 TI - Pregnancy-associated plasma protein-A (PAPP-A) levels in patients with severe allergic asthma are reduced by omalizumab. AB - BACKGROUND: Remodeling is a crucial feature of severe asthma and may be associated with activation of the allergic cascade by immunoglobulin E (IgE). Omalizumab, an anti-IgE monoclonal antibody, effectively targets the severe allergic asthma phenotype. Pregnancy-associated plasma protein-A (PAPP-A) is an insulin-like growth factor binding protein-4 (IGFBP-4) protease, increasing local insulin-like growth factor (IGF)-1 concentrations, which in turn initiating a cascade involved in the regulation of cell growth, differentiation, and proliferation in various tissues. In the present study, we evaluated the effects of omalizumab on serum PAPP-A, IGFBP-4, and IGF-1 levels in subjects with severe allergic asthma. METHODS: We studied 36 asthmatic subjects and 36 healthy controls. An ultrasensitive enzyme-linked immunosorbent assay (ELISA) kit was used to measure serum PAPP-A levels, and routine commercial ELISA kits were employed to assess serum levels of IGF-1, IGFBP-4 in control subjects and asthmatic subjects before therapy (baseline) and after six months of omalizumab therapy in patients with severe asthma. RESULTS: Compared to control subjects, serum PAPP-A and IGFB-4 levels were significantly higher in asthmatic subjects (both p values < 0.001). However, the serum IGF-I levels of asthmatic subjects were similar to those of control subjects (p > 0.05). In asthma subjects, 6-month omalizumab treatment significantly decreased the serum PAPP-A (p < 0.001), IGF-I (p = 0.031), and IGFB4 (p = 0.025) levels. CONCLUSION: PAPP-A level may be a useful biomarker for predicting airway remodeling in patients with severe asthma receiving omalizumab, and may also reflect the response to treatment. PMID- 29211612 TI - Tension headaches. AB - Preview Many people know the "tight-hatband" feeling that can occur at the end of an anxiety-filled day. An over-the-counter analgesic and a good night's sleep usually take care of it. But sometimes, headaches recur often or last days, and stronger measures are required. Dr Trachtenbarg summarizes the criteria for diagnosing tension headaches and outlines a stepwise approach to use of analgesic and prophylactic medications that minimizes the potential for dependence. PMID- 29211613 TI - Hypertensive heart disease. AB - Preview Americans often think of coronary artery disease as the most common cardiac disorder, but hypertensive heart disease is estimated to occur in nearly three times more patients, affecting about 20 million Americans. The authors discuss current criteria for diagnosis of hypertensive heart disease, common manifestations, coexisting conditions, comparative sensitivity of diagnostic methods, and treatment goals. PMID- 29211614 TI - Automated blood pressure monitoring. AB - Preview Blood pressure measurements obtained through 24-hour automated monitoring are more reliable than office measurements and more strongly correlated with target-organ damage from hypertension. Yet broad use of automated monitoring remains controversial. The authors discuss areas of debate, explain why they favor broader use, and provide practical information for clinicians who want to try this relatively new technology. PMID- 29211615 TI - Gonadotropin-releasing hormone agonists. AB - Preview Gonadotropin-releasing hormone (GnRH) agonists will have a significant impact on the practice of medicine in the 1990s. These agents will likely be given to increasing numbers of patients, and primary care physicians themselves may wish to prescribe the drugs when appropriate. This article describes the use of GnRH agonists in the treatment of endometriosis, advanced prostate cancer, and precocious puberty. PMID- 29211616 TI - Hepatitis C virus. AB - Preview Research on the hepatitis C virus (HCV) is currently very active, and a continuous stream of advances is coming forth. In this article, the authors present some recent developments in epidemiology and diagnosis, examine the relationship of HCV infection to other medical disorders, and discuss the effectiveness of current drug therapy. PMID- 29211619 TI - Life on the Edge: A Comparative Study of Ecophysiological Adaptations of Frogs to Tropical Semiarid Environments. AB - A key goal of ecology and evolution is to understand the relative contributions of environment and history in determining the geographic distribution of organisms. For the Neotropical lowlands, where temperatures are similar across landscapes, we hypothesize that water balance may be a critical but understudied factor in determining the distribution of species. Amphibians are especially sensitive to variation in precipitation due to their permeable skin. Here we focused on lowland frogs of northwestern South America and investigated variation among 17 species in potentially important ecologically relevant performance variables related to water balance, testing for possible adaptations to semiarid conditions within species. We studied frogs from coastal xeric, savannah, and wet forest biomes under common laboratory conditions and quantified rates of evaporative water loss, rates of water uptake, and variation in water-searching behavior and performance. We found significant differences in all three performance variables among species even after accounting for shared evolutionary history. A phylogenetic ANCOVA showed that categorizing species by ecological habit (terrestrial vs. arboreal) explained much of the ecoperformance trait variation among species. Secondarily, environment explained additional variation; for example, coastal xeric species showed reduced rates of water loss, and terrestrial savannah amphibians showed lower rates of water uptake. Conspecific frog populations from different biomes exhibited similar performance. We compare our results with previous studies and conclude that ecological habit is the principle factor that predicts ecophysiological trait variation and the possible geographic distribution of lowland Neotropical frogs. PMID- 29211618 TI - Outcome and Prognostic Factors in Stage III Favorable-Histology Wilms Tumor: A Report From the Children's Oncology Group Study AREN0532. AB - Background The National Wilms Tumor Study (NWTS) approach to treating stage III favorable-histology Wilms tumor (FHWT) is Regimen DD4A (vincristine, dactinomycin, and doxorubicin) and radiation therapy. Further risk stratification is required to improve outcomes and reduce late effects. We evaluated clinical and biologic variables for patients with stage III FHWT without combined loss of heterozygosity (LOH) at chromosomes 1p and 16q treated in the Children's Oncology Group protocol AREN0532. Methods From October 2006 to August 2013, 588 prospectively treated, centrally reviewed patients with stage III FHWT were treated with Regimen DD4A and radiation therapy. Tumor LOH at 1p and 16q was determined by microsatellite analysis. Ineligible patients (n = 5) and those with combined LOH 1p/16q (n = 40) were excluded. Results A total of 535 patients with stage III disease were studied. Median follow-up was 5.2 years (range, 0.2 to 9.5). Four-year event-free survival (EFS) and overall survival estimates were 88% (95% CI, 85% to 91%) and 97% (95% CI, 95% to 99%), respectively. A total of 58 of 66 relapses occurred in the first 2 years, predominantly pulmonary (n = 36). Eighteen patients died, 14 secondary to disease. A better EFS was associated with negative lymph node status ( P < .01) and absence of LOH 1p or 16q ( P < .01), but not with gross residual disease or peritoneal implants. In contrast, the 4 year EFS was only 74% in patients with combined positive lymph node status and LOH 1p or 16q. A total of 123 patients (23%) had delayed nephrectomy. Submitted delayed nephrectomy histology showed anaplasia (n = 8; excluded from survival analysis); low risk/completely necrotic (n = 7; zero relapses), intermediate risk (n = 63; six relapses), and high-risk/blastemal type (n=7; five relapses). Conclusion Most patients with stage III FHWT had good EFS/overall survival with DD4A and radiation therapy. Combined lymph node and LOH status was highly predictive of EFS and should be considered as a potential prognostic marker for future trials. PMID- 29211617 TI - Targeting HDAC3 Activity with RGFP966 Protects Against Retinal Ganglion Cell Nuclear Atrophy and Apoptosis After Optic Nerve Injury. AB - PURPOSE: HDAC3 regulates nuclear atrophy as an early response to axonal injury in retinal ganglion cells (RGCs) following optic nerve crush (ONC). Since conditional knockout of Hdac3 prevents nuclear atrophy post ONC, HDAC3 selective inhibition with RGFP966 through localized and systemic dosing of RGFP966 is necessary for application to acute and chronic models of optic nerve injury. METHODS: C57BL/6 mice were injected intravitreally with 1-10 MUM RGFP966 immediately following ONC, and retinas were analyzed at 5, 7, and 14 days for metrics of nuclear atrophy and cell loss. Mice were similarly assessed after intraperitoneal (IP) injections with RGFP966 doses of 2-10 mg/kg, and eyes were harvested at 5, 14, and 28 days after ONC. H&E and BrdU staining were used to analyze toxicity to off-target tissues after 14 days of daily treatment with RGFP966. RESULTS: A single intravitreal injection of RGFP966 prevented histone deacetylation, heterochromatin formation, apoptosis, and DNA damage at 5 and 7 days post ONC. After IP injection, RGFP966 bioavailability in the retina reached peak concentration within 1 h after injection and then rapidly declined. A single IP injection of 2-10 mg/kg RGFP966, significantly prevented histone deacetylation. Repeated IP injections of 2 mg/kg RGFP966 over the course of 2 and 4 weeks post ONC prevented RGC loss. There were no significant toxic or antiproliferative effects to off-target tissues in mice treated daily for 14 days with RGFP966. CONCLUSION: Inhibition of HDAC3 activity with systemic dosing of RGFP966 prevents apoptosis-related histone deacetylation and attenuates RGC loss after acute optic nerve injury. PMID- 29211620 TI - Safety profile of the 9-valent human papillomavirus vaccine: assessment in prior quadrivalent HPV vaccine recipients and in men 16 to 26 years of age. AB - A 9-valent HPV (9vHPV) vaccine has been developed to protect against HPV type 6/11/16/18/31/33/45/52/58-related infection and disease. Previous safety analyses from 7 clinical trials conducted in 9vHPV vaccine recipients 9-26 years of age, including comparisons of 9vHPV and quadrivalent HPV (qHPV) vaccines in girls and women 16-26 years of age, showed that the 9vHPV vaccine was generally well tolerated. Additional safety analyses were conducted to include the results of new clinical studies. The safety profile of the 9vHPV vaccine in prior qHPV vaccine recipients (n = 3756 from 1 randomized controlled trial and 2 open-label extension studies) and young men (n = 248 9vHPV and n = 248 qHPV vaccine recipients from 1 randomized controlled trial) was evaluated. Vaccine was administered as a 3-dose regimen (at Day 1 and Months 2 and 6), and adverse events (AEs) were monitored. The most common AEs were injection-site events (91.1% and 79.0% in prior qHPV vaccine recipients and young men, respectively), the majority of which were mild. Discontinuations due to an AE were rare (0.2% and 0.0% among prior qHPV vaccine recipients and young men, respectively). In young men, the AE profile of the 9vHPV vaccine was generally similar to that of the qHPV vaccine. Overall, the 9vHPV vaccine was generally well tolerated in prior qHPV vaccine recipients and in young men, with an AE profile generally consistent with that previously reported with the broader clinical program. PMID- 29211622 TI - Hepatitis A Outbreak in California - Addressing the Root Cause. PMID- 29211621 TI - Delayed measles vaccination of toddlers in Canada: Associated socio-demographic factors and parental knowledge, attitudes and beliefs. AB - Delaying vaccination increases the period of vulnerability of children against vaccine-preventable diseases. We used a nationally representative sample of Canadian two-year-old children to explore factors associated with delays in the uptake of the first dose of measles-containing vaccine, recommended in Canada for children at 12 months of age. Distribution of delays was determined using data from the 2013 Childhood National Immunization Coverage Survey. Logistic regression was used to examine sociodemographic factors and knowledge, attitudes and beliefs (KAB) associated with the two outcomes of interest: delays of one to six months (vaccination at 13 to 18 months of age) and delays of seven to 18 months (vaccination at 19 to 23 months of age). Overall, 69% (95% confidence interval [CI] 67-71) of children received their first valid dose on time. Twenty nine percent (95% CI 27-31) and 11% (95% CI 9-12) of children were unvaccinated before turning 13 and 16 months of age, respectively. Factors associated with delays of one to six months were being a girl, being born outside Canada, and the jurisdiction of residence. Being from a single-parent family, being born outside Canada and the jurisdiction of residence were associated with delays of seven to 18 months, suggesting that potential barriers might be at play. Associations between KAB and vaccination delays indicate that vaccine hesitancy could contribute to measles vaccination delays in Canada. Barriers in accessing vaccination services and the role of vaccine hesitancy in timely vaccination must be better understood to reduce vaccination delays in toddlers in Canada. PMID- 29211623 TI - Quality of Care Improves for Patients with Diabetes in Medicare Shared Savings Accountable Care Organizations: Organizational Characteristics Associated with Performance. AB - Accountable care organizations (ACOs), a primary care-centric delivery and payment model, aim to promote integrated population health, which may improve care for those with chronic conditions such as diabetes. Research has shown that, overall, the ACO model is effective at reducing costs, but there is substantial variation in how effective different types of ACOs are at impacting costs and improving care delivery. This study examines how ACO organizational characteristics - such as composition, staffing, care management, and experiences with health reform - were associated with quality of care delivered to patients with diabetes. Secondary data were analyzed retrospectively to examine Medicare Shared Savings Program (MSSP) ACOs' performance on diabetes metrics in the first 2 years of ACO contracts. Ordinary least squares was used to analyze 162 MSSP ACOs with publicly available performance data and the National Survey of ACOs. ACOs improved performance significantly for patients with diabetes between contract years 1 and 2. In year 1, also having a private payer contract and an increased number of services within the ACO were positively associated with performance, while having a community health center or a hospital were negatively associated with performance. Better performance in year 1 was negatively associated with improved performance in year 2. This study found that ACOs substantively improved diabetes management within initial contract years. ACOs may need different types of support throughout their contracts to ensure continued improvements in performance. PMID- 29211624 TI - Vaccine prevention of meningococcal disease in Africa: Major advances, remaining challenges. AB - Africa historically has had the highest incidence of meningococcal disease with high endemic rates and periodic epidemics. The meningitis belt, a region of sub Saharan Africa extending from Senegal to Ethiopia, has experienced large, devastating epidemics. However, dramatic shifts in the epidemiology of meningococcal disease have occurred recently. For instance, meningococcal capsular group A (NmA) epidemics in the meningitis belt have essentially been eliminated by use of conjugate vaccine. However, NmW epidemics have emerged and spread across the continent since 2000; NmX epidemics have occurred sporadically, and NmC recently emerged in Nigeria and Niger. Outside the meningitis belt, NmB predominates in North Africa, while NmW followed by NmB predominate in South Africa. Improved surveillance is necessary to address the challenges of this changing epidemiologic picture. A low-cost, multivalent conjugate vaccine covering NmA and the emergent and prevalent meningococcal capsular groups C, W, and X in the meningitis belt is a pressing need. PMID- 29211625 TI - Anterior Inferior Iliac Spine Deformity as a Cause for Extra-articular Hip Impingement in Young Athletes After an Avulsion Fracture: A Case Report. AB - Extra-articular hip impingement from prior traumatic injury to the anterior inferior iliac spine (AIIS) is an uncommon cause of groin pain in young athletes. Currently, the most common treatment for this injury is arthroscopic decompression. However, hip arthroscopy is not universally available and requires advanced skills. We report 2 cases of the development of extra-articular hip impingement from unusual bony exostoses off the AIIS after traumatic injury in 2 young athletes who underwent open surgical resection. The multidisciplinary sports medicine team should be aware of the development of extra-articular impingement from traumatic injury to the AIIS and that open surgical resection is a viable alternative to arthroscopic decompression. PMID- 29211626 TI - Molecular analyses uncover the phylogenetic placement of the lichenized hyphomycetous genus Cheiromycina. AB - The genus Cheiromycina is one of the few genera of lichenized hyphomycetes for which no sexual reproductive stages have been observed. The genus includes species from boreal to temperate regions of the Northern Hemisphere where it is found growing on bark or wood. Congeners in Cheiromycina are characterized by a noncorticate thallus, nearly immersed in the substrate and presenting powdery unpigmented sporodochia, and containing chlorococcoid photobionts. The relationships of members of Cheiromycina with other fungi are not known. Here we inferred the phylogenetic placement of Cheiromycina using three loci (nuSSU, nuLSU, and mtSSU) representing C. flabelliformis, the type species for the genus, C. petri, and C. reimeri. Our results revealed that the genus Cheiromycina is found within the family Malmideaceae (Lecanorales) where members formed a monophyletic clade sister to the genera Savoronala and Malmidea. This phylogenetic placement and the relationships of Cheiromycina with other lichenized hyphomycetous taxa are here discussed. PMID- 29211627 TI - Proprioceptive Flexible Fluidic Actuators Using Conductive Working Fluids. AB - Soft robotic systems generally require both soft actuators and soft sensors to perform complex functions. Separate actuators and sensors are often combined into one composite device when proprioception (self-sensing) is required. In this article, we introduce the concept of using a conductive liquid to perform both the sensing and actuation functions of a proprioceptive soft actuator. The working fluid drives actuator deformation while simultaneously acting as a strain sensing component for detecting actuator deformation. The concept is examined and demonstrated in two proprioceptive flexible fluidic actuators (FFAs) that use conductive liquids as their working fluids: a linear actuator and a bending actuator. In both cases, we show that resistance can be used to infer strain. Some hysteresis and nonlinearity are present, but repeatability is high. The bandwidth of resistance as a sensing variable in the bending FFA is tested and found to be ~3.665 Hz. Resistance is demonstrated as a feedback variable in a control loop, and the proprioceptive bending FFA is controlled to respond to step input and sinusoidal target functions. The effect of temperature on resistance strain behavior is also examined, and we demonstrate how measurement of volume and resistance can be used to detect when the actuator is constrained. Biocompatible proprioceptive soft actuators such as those presented in this article are ideal for use in low-cost bionic healthcare components such as orthotics, prosthetics, or even replacement muscles. PMID- 29211628 TI - Comparative expression analysis of starch degrading genes between dormant and non dormant wheat seeds. AB - To gain insights into the molecular basis of starch degradation in wheat seeds with respect to dormancy maintenance and release, this study compared the expression of starch degrading genes between dormant and after-ripened seeds in both dry and imbibed states. Furthermore, the study examined the effect of ABA on the expression of starch degrading genes during imbibition of non-dormant seeds. Release of dormancy due to after-ripening led to the upregulation of specific genes encoding alpha-amylase and alpha-glucosidase during imbibition while dormancy maintenance is associated with repression of these genes. It appears from our result that ABA delays the germination of wheat seeds at least partly through repression of the starch degrading genes. PMID- 29211629 TI - Report of the 5th European expert meeting on rotavirus vaccination (EEROVAC). AB - The Fifth European Expert Meeting on Rotavirus Vaccination was convened in Utrecht, The Netherlands, in March 2017. The 2-day meeting included invited lectures as well as original oral and poster presentations and brought together experts from 21 countries. Summary findings of the meeting include: Rotavirus vaccination programmes in Europe have resulted in reductions of 60-90% in rotavirus outpatient visits and hospitalizations. Long term trends indicate this impact is sustained over the years. Herd effects, protecting unvaccinated children and neonates too young to be vaccinated have been observed in many European countries. Early evidence now also suggests that rotavirus vaccination may be instrumental in the prevention of celiac disease. Special attention should be given to preterm infants, who may age out of the vaccination window before hospital discharge and to HIV infected children who are at increased risk of severe rotavirus AGE. There is a small but increased risk of IS following rotavirus vaccination and parents should therefore be informed about possible signs and symptoms of IS. New insights in rotavirus genetic susceptibility and interactions with microbiome may open opportunities for interventions to improve protection by vaccination, in particular in LMIC. The development of several novel rotavirus vaccines discussed at the meeting is also promising in this respect. PMID- 29211630 TI - Production of Monoclonal Antibody That Recognizes Zika Virus and Other Flaviviruses in Serum-Free Conditions. AB - With the recent outbreaks of Zika and Dengue virus infections in various countries worldwide, production of vaccines or diagnostic kits is an urgent public health demand. Production of a monoclonal antibody (mAb) that specifically binds to a common antigen shared by the Flavivirus genus will be necessary for new diagnostic kits or characterization and viral identity tests during vaccine development. This study aimed to cultivate, in serum-free conditions, the 4G2 hybridoma that produces an mAb, which recognizes a shared epitope from the Flavivirus genus. We compared 4G2 hybridoma growth and biochemical profiles between cells cultivated in batch mode over 10 days in roller bottles containing Dulbecco's modified Eagle's medium high glucose containing 10% fetal bovine serum medium or hybridomas directly adapted to Ex-Cell serum-free medium. Cellular parameters such as specific growth rate (MU), maximum cell concentration, specific l-lactate, and glucose and IgG rates were evaluated. Thereafter, we also compared total mAb volumetric productivity, purification yield, and mAb staining of Vero cells infected with Zika and Dengue-2 virus. Direct adaptation to serum free conditions did not change hybridoma growth rate and mAb production under the conditions tested. Instead, serum-free mAb purification showed a higher yield with no alterations on mAb structure or mAb staining of Zika and Dengue Vero infected cells. PMID- 29211631 TI - How to Measure Population Health: An Exploration Toward an Integration of Valid and Reliable Instruments. AB - Population health management initiatives are introduced to transform health and community services by implementing interventions that combine various services and address the continuum of health and well-being of populations. Insight is required into a population's health to evaluate implementation of these initiatives. This study aims to determine the performance of commonly used instruments for measuring a population's experienced health and explores the assessed concepts of population health. Survey-based Short Form 12, version 2 (SF12, health status), Patient Activation Measure 13 (PAM13), and Kessler 10 (K10, psychological distress) data of 3120 respondents was used. Floor/ceiling effects were studied using descriptive statistics. Validity was assessed using factor and discriminant analyses, and reliability was assessed using Cronbach alpha. Finally, to study covered concepts, exploratory factor analyses (EFAs) were conducted, which included additional surveyed characteristics. The SF12 and PAM13 sum scores showed acceptable averages and distributions, while results of the K10 indicated a floor effect. SF12 and K10 measured their expected constructs, while PAM13 did not. The EFA of PAM13 displayed 1 instead of the expected 4 constructs. Reliability was good for all instruments (alpha 0.89 0.93). The overall EFA identified 4 concepts: mental, physical ability, lifestyle, and self-management. SF12 and PAM13, combined with lifestyle characteristics, are shown to provide insightful information to measure the physical, mental, lifestyle, and self-management concepts of population health. Future research should include additional instruments that cover new aspects introduced by recent definitions of health. PMID- 29211632 TI - An Employer Health Incentive Plan for Advance Care Planning and Goal-Aligned Care. AB - One strategy to promote workforce well-being has been health incentive plans, in which a company's insured employees are offered compensation for completing a particular health-related activity. In 2015, Providence Health & Services adopted an Advance Care Planning (ACP) activity as a 2015-2016 health incentive option. More than 51,000 employees and their insured relatives chose the ACP incentive option. More than 80% rated the experience as helpful or very helpful. A high proportion (95%) of employees responded that they had someone they trusted who could make medical care decisions for them, yet only 23% had completed an advance directive, and even fewer (11%) had shared the document with their health care provider. The most common reason given for not completing an advance directive was that health care providers had never asked about it. These findings suggest that an insured employee incentive plan can encourage ACP consistent with the health care organizations' values and strategic priorities. PMID- 29211634 TI - Risk assessment of benzalkonium chloride in cosmetic products. AB - A risk assessment of benzalkonium chloride (BAC) was conducted based upon its toxicological profile and exposure evaluation. Since 1935, BAC has been used in a wide variety of products such as disinfectants, preservatives, and sanitizers. It is well-established that BAC is not genotoxic nor does it display tumorigenic potential, but safety concerns have been raised in local usage such as for ocular and intranasal applications. The Foundation of Korea Cosmetic Industry Institute (KCII) reported that in a hair conditioner manufactured as a cosmetic or personal product in South Korea, BAC was present at concentrations of 0.5-2%. The systemic exposure dosage (SED) was determined using the above in-use concentrations and a risk assessment analysis was conducted. The Margin of Safety (MOS) values for hair conditioners were calculated to be between 621 and 2,483. The risk of certain personal and cosmetic products was also assessed based upon assumptions that BAC was present at the maximal level of regulation in South Korea and that the maximal amount was used. The MOS values for the body lotion were all above 100, regardless of the application site. Collectively, data indicate that there are no safety concerns regarding use of products that contain BAC under the current concentration restrictions, even when utilized at maximal permitted levels. However, a chronic dermal toxicity study on BAC and comprehensive dermal absorption evaluation needs to be conducted to provide a more accurate prediction of the potential health risks to humans. PMID- 29211633 TI - Prevalence and patterns of victimization and polyvictimization among female sex workers in Soweto, a South African township: a cross-sectional, respondent-driven sampling study. AB - BACKGROUND: Female sex workers (FSWs) are disproportionately affected by violence from multiple partner categories. This increases their vulnerability to HIV. OBJECTIVES: To describe patterns of violence and polyvictimization among female SWs in Soweto. METHODS: A respondent-driven sampling (RDS) recruitment methodology was used to enrol 508 Soweto-based FSWs using a survey instrument. Raw and RDS adjusted data were descriptively analysed, Spearman's correlation and chi2 test of association were used to show associations. Polyvictimization patterns are shown within a modified Venn diagram. RESULTS: The median age of FSWs in Soweto was 31 years, and most had an incomplete education (74.2%). The prevalence of exposure to physical/sexual intimate partner violence (IPV) in the past year was 53.8%, 46.8% by clients, and 18.5% by police. Past year prevalence of sexual/physical violence by any perpetrator category was 70.8% and lifetime exposure was 76.0%. Childhood sexual violence was reported by 44.3%. Lifetime non partner rape was 55.5% and all rape exposure was 62.4%. As a result of engaging in sex work in the past year, 65.2% women had been discriminated against. Client, police, IPV, and childhood trauma were all significantly associated with one another, with IPV being the most common co-occurrence. Polyvictimization was seen in almost two-thirds of FSWs, and increased with exposure to discrimination. CONCLUSION: In Soweto, FSWs are exposed to high rates of violence in multiple forms across their lifetime. Our findings show that violence continues unabated into adulthood at levels far higher than in the general population and overall at higher levels than previously recorded among SWs in South Africa. We argue that violence against FSWs is rooted in discrimination. The disparate burden of violence on FSWs requires urgent interventions to proactively address and reframe the normalisation of violence against all women. PMID- 29211635 TI - Association of IL-13 rs20541 and rs1295686 variants with symptomatic asthma in a Saudi Arabian population. AB - OBJECTIVE: Interleukin 13 (IL-13) plays a critical pro-inflammatory role in asthma. Several single nucleotide polymorphisms (SNPs) are associated with asthma susceptibility in specific populations; however, further replicative studies in other ethnic groups are mandatory. METHODS: The association between IL-13 SNPs rs762534, rs20541, rs1295686, and rs1800925 (risk alleles A, A, T, and A, respectively) and asthma predisposition in a Saudi Arabian cohort was examined via a case-control cross-sectional study. RESULTS: The frequencies of alleles between asthmatics and control populations were significantly different for rs20541 and rs1295686 SNPs (p < 0.001), whereas the frequencies of genotypes between asthmatics and controls were significantly different only for rs20541. The association of the risk (minor) alleles with asthma was examined using the dominant genetic model. Individuals with at least one copy of the risk alleles A (for rs20541) and T (for rs1295686) had significantly greater odds of being asthmatic (OR = 2.13, 95% CI = 1.39-3.26, p < 0.0001; OR = 1.69, 95% CI = 1.12 2.54, p = 0.008) relative to their most common homozygous genotypes. On the other hand, the minor A alleles for rs762534 and rs1800925 were not significantly associated with asthma risk. Regarding haplotype association analysis, individuals with at least one copy of the minor "risk" allele for both rs20541 and rs1295686 (CATG and CATA, respectively) had greater odds of being asthmatic relative to CGCG haplotype; however, this trend was not statistically significant (p > 0.3). CONCLUSIONS: IL-13 minor T and A alleles for rs1295686 and rs20541, respectively, were associated with significantly higher risk of asthma in the Saudi Arabian population. PMID- 29211636 TI - Behavioral problems in nursing home residents. AB - Preview Thanks to advances in health awareness and medical care, the elderly population continues to grow. But with added years of life comes an increase in age-related cognitive impairment and resulting behavioral problems (eg, agitation, wandering) that must be addressed by institutions and physicians. The authors describe patient evaluation and summarize approaches for initial and continuing treatment of behavioral problems related to dementia. PMID- 29211637 TI - Pharyngitis. AB - Preview Depending on the cause, pharyngitis may be a relatively benign symptom or an ominous harbinger of severe sequelae, including rheumatic fever. Therefore, accurate diagnosis and appropriate treatment are important to avoid potentially serious complications. Drs Bonilla and Bluestone discuss the most common causes of pharyngitis, the diagnostic workup, and the current symptomatic and antimicrobial therapies. Treatment of recurrent tonsillitis is also included. PMID- 29211638 TI - Acute and chronic sinusitis. AB - Preview Sinusitis is often easily recognized by the familiar complaints of paranasal pressure, tenderness, and headaches. What is more difficult is sorting out viral, bacterial, or fungal infection from allergy, anatomic obstruction, or underlying disease. Dr Ferguson outlines signs and symptoms that differentiate various forms of rhinosinusitis, discusses strengths and weaknesses of diagnostic measures, and summarizes appropriate therapeutic interventions. PMID- 29211639 TI - The neck mass. AB - Preview Neck masses in children and young adults are often benign, whereas masses in adults, especially those over age 40, are commonly malignant. In either case, because of the intricate anatomic structures in the neck, physicians are confronted with an unusually broad and formidable array of possible diagnoses, which Drs Alvi and Johnson discuss in this article. PMID- 29211640 TI - Otitis media reassessed. AB - Preview Management of otitis media in children is a controversial matter: The basic questions of why, in whom, and how it should be treated are undergoing continual reassessment. In this article, Drs Shapiro and Bluestone provide answers to these and other questions, such as Why is treatment of acute otitis media justified? When is the "wait and see" approach to otitis media with effusion inadvisable? Which common treatment approaches are ineffective? When should referral to an otolaryngologist be considered? PMID- 29211641 TI - Urinary incontinence in the elderly. AB - Preview The incidence of incontinence in elderly men and women is high, and the personal and social costs of the problem are enormous. But thoughtful diagnostic evaluation can lead to treatment that in many cases results in an improvement in symptoms or even a return to continence. Dr Rosenthal and Dr McMurtry discuss five main types of incontinence and their causes and treatment and describe the components of a targeted medical evaluation. PMID- 29211642 TI - Severe gastroesophageal reflux disease. AB - Preview Medical and surgical choices for treating gastroesophageal reflux disease have never been better. In the last few years, potent medications have been introduced that suppress gastric acid production and have promotility effects, and laparoscopic approaches to antireflux surgery have been developed. In this article, Dr Marshall reviews current management techniques and explains how to decide which to recommend in a given patient with severe disease. PMID- 29211643 TI - Myocardial infarction in the 1990s. AB - Preview In the United States, cardiovascular disease still causes more deaths than any other health problem. This year, 1.5 million people will have myocardial infarctions, and many will die before they reach the hospital. In this article, Dr Fowles emphasizes the great need for expanded delivery of lifesaving thrombolytic agents. PMID- 29211644 TI - Henoch-Schonlein purpura. AB - Preview As the name implies, Henoch-Schonlein purpura is a vasculitic disease, but it also affects multiple organ systems. Although the exact cause of the disease has not been determined, recent studies have shed some light on its pathogenesis. This article reviews these studies and discusses the various manifestations and possible complications. Two classification systems are also included. PMID- 29211645 TI - A systematic approach to macrocytosis. AB - Preview Macrocytosis has causes other than folate or vitamin B12 deficiency, including chronic alcohol ingestion and various forms of drug therapy. In this article, Dr Brigden presents clinical cases that illustrate five different causes of macrocytosis, with comments on each case to facilitate the overall approach to diagnosis and management. PMID- 29211646 TI - MD/DO Jobs and Incomes May Shrink. PMID- 29211647 TI - No ice, no butter. AB - Preview It is often difficult to determine the true extent of a burn, but most small thermal burns can be easily evaluated and managed by primary care physicians. In this article, the authors review the characteristics of different types of bums, describe those that require treatment in a bum center, and discuss appropriate measures to hasten healing and promote a satisfactory cosmetic outcome. PMID- 29211648 TI - Are You Asking the Right Questions? PMID- 29211649 TI - Hearing Shapes: Event-related Potentials Reveal the Time Course of Auditory Visual Sensory Substitution. AB - In auditory-visual sensory substitution, visual information (e.g., shape) can be extracted through strictly auditory input (e.g., soundscapes). Previous studies have shown that image-to-sound conversions that follow simple rules [such as the Meijer algorithm; Meijer, P. B. L. An experimental system for auditory image representation. Transactions on Biomedical Engineering, 39, 111-121, 1992] are highly intuitive and rapidly learned by both blind and sighted individuals. A number of recent fMRI studies have begun to explore the neuroplastic changes that result from sensory substitution training. However, the time course of cross sensory information transfer in sensory substitution is largely unexplored and may offer insights into the underlying neural mechanisms. In this study, we recorded ERPs to soundscapes before and after sighted participants were trained with the Meijer algorithm. We compared these posttraining versus pretraining ERP differences with those of a control group who received the same set of 80 auditory/visual stimuli but with arbitrary pairings during training. Our behavioral results confirmed the rapid acquisition of cross-sensory mappings, and the group trained with the Meijer algorithm was able to generalize their learning to novel soundscapes at impressive levels of accuracy. The ERP results revealed an early cross-sensory learning effect (150-210 msec) that was significantly enhanced in the algorithm-trained group compared with the control group as well as a later difference (420-480 msec) that was unique to the algorithm-trained group. These ERP modulations are consistent with previous fMRI results and provide additional insight into the time course of cross-sensory information transfer in sensory substitution. PMID- 29211650 TI - Selective Interference with Syntactic Encoding during Sentence Production by Direct Electrocortical Stimulation of the Inferior Frontal Gyrus. AB - Cortical stimulation mapping (CSM) has provided important insights into the neuroanatomy of language because of its high spatial and temporal resolution, and the causal relationships that can be inferred from transient disruption of specific functions. Almost all CSM studies to date have focused on word-level processes such as naming, comprehension, and repetition. In this study, we used CSM to identify sites where stimulation interfered selectively with syntactic encoding during sentence production. Fourteen patients undergoing left-hemisphere neurosurgery participated in the study. In 7 of the 14 patients, we identified nine sites where cortical stimulation interfered with syntactic encoding but did not interfere with single word processing. All nine sites were localized to the inferior frontal gyrus, mostly to the pars triangularis and opercularis. Interference with syntactic encoding took several different forms, including misassignment of arguments to grammatical roles, misassignment of nouns to verb slots, omission of function words and inflectional morphology, and various paragrammatic constructions. Our findings suggest that the left inferior frontal gyrus plays an important role in the encoding of syntactic structure during sentence production. PMID- 29211651 TI - Cortico-cerebellar Networks Drive Sensorimotor Learning in Speech. AB - The motor cortex and cerebellum are thought to be critical for learning and maintaining motor behaviors. Here we use transcranial direct current stimulation (tDCS) to test the role of the motor cortex and cerebellum in sensorimotor learning in speech. During productions of "head," "bed," and "dead," the first formant of the vowel sound was altered in real time toward the first formant of the vowel sound in "had," "bad," and "dad." Compensatory changes in first and second formant production were used as a measure of motor adaptation. tDCS to either the motor cortex or the cerebellum improved sensorimotor learning in speech compared with sham stimulation ( n = 20 in each group). However, in the case of cerebellar tDCS, production changes were restricted to the source of the acoustical error (i.e., the first formant). Motor cortex tDCS drove production changes that offset errors in the first formant, but unlike cerebellar tDCS, adaptive changes in the second formant also occurred. The results suggest that motor cortex and cerebellar tDCS have both shared and dissociable effects on motor adaptation. The study provides initial causal evidence in speech production that the motor cortex and the cerebellum support different aspects of sensorimotor learning. We propose that motor cortex tDCS drives sensorimotor learning toward previously learned patterns of movement, whereas cerebellar tDCS focuses sensorimotor learning on error correction. PMID- 29211652 TI - Changes in Frontoparietotemporal Connectivity following Do-As-I-Do Imitation Training in Chimpanzees ( Pan troglodytes). AB - Human imitation is supported by an underlying "mirror system" principally composed of inferior frontal, inferior parietal, and superior temporal cortical regions. Across primate species, differences in frontoparietotemporal connectivity have been hypothesized to explain phylogenetic variation in imitative abilities. However, if and to what extent these regions are involved in imitation in nonhuman primates is unknown. We hypothesized that "Do As I Do" (DAID) imitation training would enhance white matter integrity within and between frontoparietotemporal regions. To this end, four captive chimpanzees ( Pan troglodytes) were trained to reproduce 23 demonstrated actions, and four age-/sex matched controls were trained to produce basic husbandry behaviors in response to manual cues. Diffusion tensor images were acquired before and after 600 min of training over an average of 112 days. Bilateral and asymmetrical changes in frontoparietotemporal white matter integrity were compared between DAID trained subjects and controls. We found that imitation trained subjects exhibited leftward shifts in both mean fractional anisotropy and tract strength asymmetry measures in brain regions within the mirror system. This is the first report of training-induced changes in white matter integrity in chimpanzees and suggests that frontoparietotemporal connectivity, particularly in the left hemisphere, may have facilitated the emergence of increasingly complex imitation learning abilities. PMID- 29211653 TI - Exploring the Organization of Semantic Memory through Unsupervised Analysis of Event-related Potentials. AB - Modern multivariate methods have enabled the application of unsupervised techniques to analyze neurophysiological data without strict adherence to predefined experimental conditions. We demonstrate a multivariate method that leverages priming effects on the evoked potential to perform hierarchical clustering on a set of word stimuli. The current study focuses on the semantic relationships that play a key role in the organization of our mental lexicon of words and concepts. The N400 component of the event-related potential is considered a reliable neurophysiological response that is indicative of whether accessing one concept facilitates subsequent access to another (i.e., one "primes" the other). To further our understanding of the organization of the human mental lexicon, we propose to utilize the N400 component to drive a clustering algorithm that can uncover, given a set of words, which particular subsets of words show mutual priming. Such a scheme requires a reliable measurement of the amplitude of the N400 component without averaging across many trials, which was here achieved using a recently developed multivariate analysis method based on beamforming. We validated our method by demonstrating that it can reliably detect, without any prior information about the nature of the stimuli, a well-known feature of the organization of our semantic memory: the distinction between animate and inanimate concepts. These results motivate further application of our method to data-driven exploration of disputed or unknown relationships between stimuli. PMID- 29211654 TI - Does Extensive Training at Individuating Novel Objects in Adulthood Lead to Visual Expertise? The Role of Facelikeness. AB - Human adults have a rich visual experience thanks to seeing human faces since birth, which may contribute to the acquisition of perceptual processes that rapidly and automatically individuate faces. According to a generic visual expertise hypothesis, extensive experience with nonface objects may similarly lead to efficient processing of objects at the individual level. However, whether extensive training in adulthood leads to visual expertise remains debated. One key issue is the extent to which the acquisition of visual expertise depends on the resemblance of objects to faces in terms of the spatial configuration of parts. We therefore trained naive human adults to individuate a large set of novel parametric multipart objects. Critically, one group of participants trained with the objects in a "facelike" stimulus orientation, whereas a second group trained with the same objects but with the objects rotated 180 degrees in the picture plane into a "nonfacelike" orientation. We used a fast periodic visual stimulation EEG protocol to objectively quantify participants' ability to discriminate untrained exemplars before and after training. EEG responses associated with the frequency of identity change in a fast stimulation sequence, which reflects rapid and automatic perceptual processes, were observed over lateral occipital sites for both groups before training. There was a significant, albeit small, increase in these responses after training but only for the facelike group and only to facelike stimuli. Our findings indicate that perceived facelikeness plays a role in visual expertise and highlight how the adult perceptual system exploits familiar spatial configurations when learning new object categories. PMID- 29211655 TI - Spectral Diversity in Default Mode Network Connectivity Reflects Behavioral State. AB - Default mode network (DMN) functional connectivity is thought to occur primarily in low frequencies (<0.1 Hz), resulting in most studies removing high frequencies during data preprocessing. In contrast, subtractive task analyses include high frequencies, as these are thought to be task relevant. An emerging line of research explores resting fMRI data at higher-frequency bands, examining the possibility that functional connectivity is a multiband phenomenon. Furthermore, recent studies suggest DMN involvement in cognitive processing; however, without a systematic investigation of DMN connectivity during tasks, its functional contribution to cognition cannot be fully understood. We bridged these concurrent lines of research by examining the contribution of high frequencies in the relationship between DMN and dorsal attention network at rest and during task execution. Our findings revealed that the inclusion of high frequencies alters between network connectivity, resulting in reduced anticorrelation and increased positive connectivity between DMN and dorsal attention network. Critically, increased positive connectivity was observed only during tasks, suggesting an important role for high-frequency fluctuations in functional integration. Moreover, within-DMN connectivity during task execution correlated with RT only when high frequencies were included. These results show that DMN does not simply deactivate during task execution and suggest active recruitment while performing cognitively demanding paradigms. PMID- 29211656 TI - The Neural Basis of Successful Word Reading in Aphasia. AB - Understanding the neural basis of recovery from stroke is a major research goal. Many functional neuroimaging studies have identified changes in brain activity in people with aphasia, but it is unclear whether these changes truly support successful performance or merely reflect increased task difficulty. We addressed this problem by examining differences in brain activity associated with correct and incorrect responses on an overt reading task. On the basis of previous proposals that semantic retrieval can assist pronunciation of written words, we hypothesized that recruitment of semantic areas would be greater on successful trials. Participants were 21 patients with left-hemisphere stroke with phonologic retrieval deficits. They read words aloud during an event-related fMRI paradigm. BOLD signals obtained during correct and incorrect trials were contrasted to highlight brain activity specific to successful trials. Successful word reading was associated with higher BOLD signal in the left angular gyrus. In contrast, BOLD signal in bilateral posterior inferior frontal cortex, SMA, and anterior cingulate cortex was greater on incorrect trials. These data show for the first time the brain regions where neural activity is correlated specifically with successful performance in people with aphasia. The angular gyrus is a key node in the semantic network, consistent with the hypothesis that additional recruitment of the semantic system contributes to successful word production when phonologic retrieval is impaired. Higher activity in other brain regions during incorrect trials likely reflects secondary engagement of attention, working memory, and error monitoring processes when phonologic retrieval is unsuccessful. PMID- 29211657 TI - Open-to-Air Is a Viable Option for Initial Wound Care in Necrotizing Soft Tissue Infection that Allows Early Detection of Recurrence without Need for Painful Dressing Changes or Return to Operating Room. AB - BACKGROUND: The standard treatment of necrotizing soft tissue infection (NSTI) includes extensive surgical debridement. Care of these debridements is challenging because of the size of the wound and associated pain. A potential solution is to leave the wounds open-to-air in the period after the initial debridement, allowing for regular inspection at bedside while reducing pain associated with frequent dressing changes. We evaluated the feasibility of this approach from a pain control standpoint. PATIENTS AND METHODS: An audit of wound care modalities used on adult patients with NSTI admitted to a regional burn center between January 2009 and May 2014 was performed. Patients with at least one operation were included. Those opting for palliative care were excluded. Wound care was divided into four categories: open-to-air (OTA), negative-pressure wound therapy (NPWT), packing, and ointment. Wound care, pain score, pain medication use, and number of operations were collected for the first seven days after initial debridement. Pain management was assessed by pain scores. Analgesic use was measured and compared using conversion to morphine milligram equivalents (MME). RESULTS: Ninety-six patients were included; 67% were men with average age of 50 years, resulting in a total of 672 days of wound care evaluated: 69 days of OTA, 127 days of NPWT, 200 days of packing, and 126 days of ointment (150 days were undocumented). Average daily pain score from all wound care modalities was 2.00. Negative pressure wound therapy had the highest reported daily pain score (2.18, p = 0.034), whereas OTA had the lowest pain score (1.63, p < 0.05). Mortality was lower in the OTA cohort but was not statistically significant; there were no other differences in long-term outcome. CONCLUSION: Leaving wounds OTA is a safe and viable option in the immediate post-debridement period of NSTI to reduce pain, while permitting frequent re-evaluation for quick recognition of disease progression and repeat operative debridement if necessary. PMID- 29211660 TI - 2017 Subject Index. PMID- 29211658 TI - Letermovir Prophylaxis for Cytomegalovirus in Hematopoietic-Cell Transplantation. AB - BACKGROUND: Cytomegalovirus (CMV) infection remains a common complication after allogeneic hematopoietic-cell transplantation. Letermovir is an antiviral drug that inhibits the CMV-terminase complex. METHODS: In this phase 3, double-blind trial, we randomly assigned CMV-seropositive transplant recipients, 18 years of age or older, in a 2:1 ratio to receive letermovir or placebo, administered orally or intravenously, through week 14 after transplantation; randomization was stratified according to trial site and CMV disease risk. Letermovir was administered at a dose of 480 mg per day (or 240 mg per day in patients taking cyclosporine). Patients in whom clinically significant CMV infection (CMV disease or CMV viremia leading to preemptive treatment) developed discontinued the trial regimen and received anti-CMV treatment. The primary end point was the proportion of patients, among patients without detectable CMV DNA at randomization, who had clinically significant CMV infection through week 24 after transplantation. Patients who discontinued the trial or had missing end-point data at week 24 were imputed as having a primary end-point event. Patients were followed through week 48 after transplantation. RESULTS: From June 2014 to March 2016, a total of 565 patients underwent randomization and received letermovir or placebo beginning a median of 9 days after transplantation. Among 495 patients with undetectable CMV DNA at randomization, fewer patients in the letermovir group than in the placebo group had clinically significant CMV infection or were imputed as having a primary end-point event by week 24 after transplantation (122 of 325 patients [37.5%] vs. 103 of 170 [60.6%], P<0.001). The frequency and severity of adverse events were similar in the two groups overall. Vomiting was reported in 18.5% of the patients who received letermovir and in 13.5% of those who received placebo; edema in 14.5% and 9.4%, respectively; and atrial fibrillation or flutter in 4.6% and 1.0%, respectively. The rates of myelotoxic and nephrotoxic events were similar in the letermovir group and the placebo group. All-cause mortality at week 48 after transplantation was 20.9% among letermovir recipients and 25.5% among placebo recipients. CONCLUSIONS: Letermovir prophylaxis resulted in a significantly lower risk of clinically significant CMV infection than placebo. Adverse events with letermovir were mainly of low grade. (Funded by Merck; ClinicalTrials.gov number, NCT02137772 ; EudraCT number, 2013-003831-31 .). PMID- 29211661 TI - Evaluation of a Clinical Pharmacist-Led Multidisciplinary Antidepressant Telemonitoring Service in the Primary Care Setting. AB - Guidelines recommend patient follow-up within 2 weeks of antidepressant initiation or uptitration to minimize treatment discontinuation and suicidal ideation risks; however, time constraints and lack of systematic processes remain barriers in primary care. A pharmacist-led multidisciplinary telemonitoring service aimed to address these barriers. This was a retrospective, observational study of adults with depression initiated or uptitrated on an antidepressant between May and October 2016. Outcomes included the proportion of eligible patients successfully contacted, adherence, adverse effects, suicidal ideations, and pharmacist interventions. Clinical pharmacists successfully reached 258 of 380 (68%) patients and provided follow-up in 298 calls. Patients endorsed antidepressant nonadherence during 56 (19%) calls, adverse effects in 81 (27%) calls, and suicidal ideations in 13 (4%) calls. Pharmacists provided 109 total interventions for 102 patients. The clinical pharmacist-led multidisciplinary antidepressant telemonitoring service is an alternative resource to monitor patients after antidepressant initiation or titration in primary care settings. PMID- 29211662 TI - Closing In on Treatment for Hemophilia B. PMID- 29211663 TI - Speed, Safety, and Industry Funding - From PDUFA I to PDUFA VI. PMID- 29211664 TI - Ecthyma Gangrenosum. PMID- 29211665 TI - Food Allergy. PMID- 29211666 TI - Oral Contraceptives and the Small Increased Risk of Breast Cancer. PMID- 29211667 TI - Pneumatosis Cystoides Intestinalis. PMID- 29211668 TI - Thrombophilia Testing and Venous Thrombosis. PMID- 29211669 TI - Use of Liver Imaging and Biopsy in Clinical Practice. PMID- 29211670 TI - Long-Term Effects of G-CSF Therapy in Cyclic Neutropenia. PMID- 29211672 TI - Necrotizing Soft-Tissue Infections. PMID- 29211673 TI - Clinical Firsts - Christiaan Barnard's Heart Transplantations. PMID- 29211674 TI - Mechanisms of Resistance to Neoadjuvant Chemotherapy in Breast Cancer. PMID- 29211675 TI - An Unusual Cause of Leg Pain. PMID- 29211676 TI - Tiotropium in Early-Stage COPD. PMID- 29211677 TI - Medicaid Coverage for Family Planning - Can the Courts Stop the States from Excluding Planned Parenthood? PMID- 29211679 TI - Contemporary Hormonal Contraception and the Risk of Breast Cancer. AB - BACKGROUND: Little is known about whether contemporary hormonal contraception is associated with an increased risk of breast cancer. METHODS: We assessed associations between the use of hormonal contraception and the risk of invasive breast cancer in a nationwide prospective cohort study involving all women in Denmark between 15 and 49 years of age who had not had cancer or venous thromboembolism and who had not received treatment for infertility. Nationwide registries provided individually updated information about the use of hormonal contraception, breast-cancer diagnoses, and potential confounders. RESULTS: Among 1.8 million women who were followed on average for 10.9 years (a total of 19.6 million person-years), 11,517 cases of breast cancer occurred. As compared with women who had never used hormonal contraception, the relative risk of breast cancer among all current and recent users of hormonal contraception was 1.20 (95% confidence interval [CI], 1.14 to 1.26). This risk increased from 1.09 (95% CI, 0.96 to 1.23) with less than 1 year of use to 1.38 (95% CI, 1.26 to 1.51) with more than 10 years of use (P=0.002). After discontinuation of hormonal contraception, the risk of breast cancer was still higher among the women who had used hormonal contraceptives for 5 years or more than among women who had not used hormonal contraceptives. Risk estimates associated with current or recent use of various oral combination (estrogen-progestin) contraceptives varied between 1.0 and 1.6. Women who currently or recently used the progestin-only intrauterine system also had a higher risk of breast cancer than women who had never used hormonal contraceptives (relative risk, 1.21; 95% CI, 1.11 to 1.33). The overall absolute increase in breast cancers diagnosed among current and recent users of any hormonal contraceptive was 13 (95% CI, 10 to 16) per 100,000 person-years, or approximately 1 extra breast cancer for every 7690 women using hormonal contraception for 1 year. CONCLUSIONS: The risk of breast cancer was higher among women who currently or recently used contemporary hormonal contraceptives than among women who had never used hormonal contraceptives, and this risk increased with longer durations of use; however, absolute increases in risk were small. (Funded by the Novo Nordisk Foundation.). PMID- 29211680 TI - The impact of water on the ambivalent behavior and paradoxical phenomenon of the amyloid-beta fibril protein. AB - The crucial role of water in amyloid-beta(Abeta) fibril proteins is evaluated in several ways including the water's thermodynamic and kinetic solvation effects. As regards the water's character, its hindered-rotation barriers are also considered. The following protein molecules considered here are: the Abeta40 (PDB ID: 2LMN), Abeta42 (PDB ID: 5KK3 and 2NAO) and the double-layered Abeta17-42 fibril. We discuss: (i) extracellular Abeta40 and Abeta42 fibril monomers exhibit an ambivalent propensity to transform into a helical form toward the N-term region and a beta-strand-like form near the C-terminal; (ii) interfacial water molecules play a crucial role in protein-protein interactions, as molecular dynamics simulations have shown a significant impact on the protein-protein binding; (iii) it is shown that the spontaneous dimerization process of the Abeta42 fibril protein in water occurs via a two-step nucleation-accommodation mechanism; (iv) MD simulations of the double-layered Abeta17-42 fibril model show that the C<->C interface appears more energetically favorable than the N<->N interface due to large hydrophobic contacts; (v) the water's role in the HET-s prion and in the Abeta fibrillar aggregates; (vi) it was found that the monomer oligomer equilibrium spontaneously dissociates into stable monomeric species when they are incubated up to 3 MUm for a longer time (>1 week) in a physiological buffer. PMID- 29211678 TI - Hemophilia B Gene Therapy with a High-Specific-Activity Factor IX Variant. AB - BACKGROUND: The prevention of bleeding with adequately sustained levels of clotting factor, after a single therapeutic intervention and without the need for further medical intervention, represents an important goal in the treatment of hemophilia. METHODS: We infused a single-stranded adeno-associated viral (AAV) vector consisting of a bioengineered capsid, liver-specific promoter and factor IX Padua (factor IX-R338L) transgene at a dose of 5*1011 vector genomes per kilogram of body weight in 10 men with hemophilia B who had factor IX coagulant activity of 2% or less of the normal value. Laboratory values, bleeding frequency, and consumption of factor IX concentrate were prospectively evaluated after vector infusion and were compared with baseline values. RESULTS: No serious adverse events occurred during or after vector infusion. Vector-derived factor IX coagulant activity was sustained in all the participants, with a mean (+/-SD) steady-state factor IX coagulant activity of 33.7+/-18.5% (range, 14 to 81). On cumulative follow-up of 492 weeks among all the participants (range of follow-up in individual participants, 28 to 78 weeks), the annualized bleeding rate was significantly reduced (mean rate, 11.1 events per year [range, 0 to 48] before vector administration vs. 0.4 events per year [range, 0 to 4] after administration; P=0.02), as was factor use (mean dose, 2908 IU per kilogram [range, 0 to 8090] before vector administration vs. 49.3 IU per kilogram [range, 0 to 376] after administration; P=0.004). A total of 8 of 10 participants did not use factor, and 9 of 10 did not have bleeds after vector administration. An asymptomatic increase in liver-enzyme levels developed in 2 participants and resolved with short-term prednisone treatment. One participant, who had substantial, advanced arthropathy at baseline, administered factor for bleeding but overall used 91% less factor than before vector infusion. CONCLUSIONS: We found sustained therapeutic expression of factor IX coagulant activity after gene transfer in 10 participants with hemophilia who received the same vector dose. Transgene-derived factor IX coagulant activity enabled the termination of baseline prophylaxis and the near elimination of bleeding and factor use. (Funded by Spark Therapeutics and Pfizer; ClinicalTrials.gov number, NCT02484092 .). PMID- 29211681 TI - Effect of mindfulness meditation on short-term weight loss and eating behaviors in overweight and obese adults: A randomized controlled trial. AB - Background There is a significant health crisis with rates of obesity continuing to increase despite research and clinical standard behavioral weight loss programs (SBWP). Mindfulness meditation (MM), with demonstrated benefits on physical, psychological health, and self-regulation behaviors was explored with SBWP. Methods Forty-six adults (BMI=32.5+/-3.7 kg/m2; age=45.2+/-8.2 years, 87 % female, 21.7 % African American) were randomly assigned to a 6-month SBWP only (n=24) or SBWP+MM (n=22) at a university-based physical activity and weight management research center in a northeastern US city. Participants were instructed to decrease intake (1200-1500 kcal/day), increase physical activity (300 min/wk), and attend weekly SBWP or SBWP+MM sessions. SBWP+MM had the same SBWP lessons with addition of focused MM training. Outcome measures collected at 0, 3, and 6 months included: weight, Block Food Frequency Questionnaire, Eating Behavior Inventory, Eating Inventory and Paffenbarger Physical Activity Questionnaire. Data were analyzed using linear mixed modeling for efficacy analysis of weight (primary) and eating, exercise and mindfulness (secondary outcomes). Results Retention rate was 76.1 % (n=35). A significant group by time interaction (p=0.03) was found for weight, with weight loss favoring SBWP+MM ( 6.9 kg+2.9) over SBWP (-4.1 kg+2.8). Eating behaviors (p=0.02) and dietary restraint (p=0.02) improved significantly in SBWP+MM, compared to SBWP. MM enhanced weight loss by 2.8 kg potentially through greater improvements in eating behaviors and dietary restraint. Conclusions These findings support further study into the use of MM strategies with overweight and obese adults. The use of this low-cost, portable strategy with standard behavioral interventions could improve weight management outcomes. PMID- 29211682 TI - The natural history of subependymal giant cell astrocytomas in tuberous sclerosis complex: a review. AB - Tuberous sclerosis complex (TSC) is an auto-somal-dominant inherited condition with an incidence of approximately 1:6000 births, characterised by deregulated mTOR activity with multi-site hamartomas. Subependymal giant cell astrocytomas (SEGA) are one such hamartoma, affecting up to 24% of patients with TSC. Their intraventricular location may lead to life-threatening obstructive hydrocephalus. Current management is hampered by a lack of understanding regarding the natural history, behaviour and growth patterns of SEGA. We review the current literature to summarise what is known about SEGA in the following areas: (1) diagnostic criteria, (2) prevalence, (3) origin, (4) imaging characteristics, (5) growth rate, (6) genotype-phenotype correlation, (7) congenital SEGA and (8) SEGA as a marker of severity of other TSC manifestations. PMID- 29211683 TI - Understanding the controversial drug targets in epilepsy and pharmacoresistant epilepsy. AB - Accumulating experimental data suggests a number of successful drug targets against epilepsy which eventually failed in the clinical setup. Mammalian target of rapamycin inhibitors, multi-drug resistance transporter inhibitors, cyclo oxygenase-2 inhibitors, statins, etc. are the most promising and well studied among them. Drugs aiming at these targets produced beneficial response in most of the in vitro and in vivo seizure models. However, in certain situations, they have produced differential rather controversial results. Their effects varied with the seizure model, species, time and route of administration, different drugs from the same class, etc. This review emphasises on such drugs which presented with variability in their beneficial effects against seizures and epilepsy. This review critically summarises the preclinical evidence of these targets in the context of seizures and the probable reasons for their variability and clinical failures. PMID- 29211684 TI - Independent component analysis for cochlear implant artifacts attenuation from electrically evoked auditory steady-state response measurements. AB - OBJECTIVE: Electrically evoked auditory steady-state responses (EASSRs) are potentially useful for objective cochlear implant (CI) fitting and follow-up of the auditory maturation in infants and children with a CI. EASSRs are recorded in the electro-encephalogram (EEG) in response to electrical stimulation with continuous pulse trains, and are distorted by significant CI artifacts related to this electrical stimulation. The aim of this study is to evaluate a CI artifacts attenuation method based on independent component analysis (ICA) for three EASSR datasets. APPROACH: ICA has often been used to remove CI artifacts from the EEG to record transient auditory responses, such as cortical evoked auditory potentials. Independent components (ICs) corresponding to CI artifacts are then often manually identified. In this study, an ICA based CI artifacts attenuation method was developed and evaluated for EASSR measurements with varying CI artifacts and EASSR characteristics. Artifactual ICs were automatically identified based on their spectrum. MAIN RESULTS: For 40 Hz amplitude modulation (AM) stimulation at comfort level, in high SNR recordings, ICA succeeded in removing CI artifacts from all recording channels, without distorting the EASSR. For lower SNR recordings, with 40 Hz AM stimulation at lower levels, or 90 Hz AM stimulation, ICA either distorted the EASSR or could not remove all CI artifacts in most subjects, except for two of the seven subjects tested with low level 40 Hz AM stimulation. Noise levels were reduced after ICA was applied, and up to 29 ICs were rejected, suggesting poor ICA separation quality. SIGNIFICANCE: We hypothesize that ICA is capable of separating CI artifacts and EASSR in case the contralateral hemisphere is EASSR dominated. For small EASSRs or large CI artifact amplitudes, ICA separation quality is insufficient to ensure complete CI artifacts attenuation without EASSR distortion. PMID- 29211685 TI - Optimisation of sampling parameters for standardised exhaled breath sampling. AB - The lack of standardisation of breath sampling is a major contributing factor to the poor repeatability of results and hence represents a barrier to the adoption of breath tests in clinical practice. On-line and bag breath sampling have advantages but do not suit multicentre clinical studies whereas storage and robust transport are essential for the conduct of wide-scale studies. Several devices have been developed to control sampling parameters and to concentrate volatile organic compounds (VOCs) onto thermal desorption (TD) tubes and subsequently transport those tubes for laboratory analysis. We conducted three experiments to investigate (i) the fraction of breath sampled (whole versus lower expiratory exhaled breath); (ii) breath sample volume (125, 250, 500 and 1000 ml); and (iii) breath sample flow rate (400, 200, 100 and 50 ml min-1). The target VOCs were acetone and potential volatile biomarkers for oesophago-gastric cancer belonging to the aldehyde, fatty acids and phenol chemical classes. We also examined the collection execution time and the impact of environmental contamination. The experiments showed that the use of exhaled breath-sampling devices requires the selection of optimum sampling parameters. The increase in sample volume has improved the levels of VOCs detected. However, the influence of the fraction of exhaled breath and the flow rate depends on the target VOCs measured. The concentration of potential volatile biomarkers for oesophago gastric cancer was not significantly different between the whole and lower airway exhaled breath. While the recovery of phenols and acetone from TD tubes was lower when breath sampling was performed at a higher flow rate, other VOCs were not affected. A dedicated 'clean air supply' reduces the contamination from ambient air, but the breath collection device itself can be a source of contaminants. In clinical studies using VOCs to elicit potential biomarkers of gastro-oesophageal cancer, the optimum parameters are 500 mls sample volume of whole breath with a flow rate of 200 ml min-1. PMID- 29211686 TI - Integration of risks from multiple hazards into a holistic ALARA/ALARP demonstration. AB - The principle of As Low As Reasonable Achievable (ALARA) stems from the field of radiological protection. In the UK, this principle has been incorporated into the Health and Safety at Work Act 1974 and rather than applying solely to radiological hazards, applies to all hazards in totality. Given that the current methods for assessing hazards are somewhat isolated, in that one hazard is assessed independently of another, it can be challenging to ensure a truly holistic view of the risks, and demonstrate they have been reduced to ALARA or As Low As Is Reasonably Practicable (ALARP) as required in the UK regulatory regime. The following paper presents a proposed framework for the integrated assessment of risks from multiple hazards. In addition, it presents an overview of some of the key challenges that may be encountered when producing a holistic ALARA demonstration. PMID- 29211687 TI - Cellular reprogramming dynamics follow a simple 1D reaction coordinate. AB - Cellular reprogramming, the conversion of one cell type to another, induces global changes in gene expression involving thousands of genes, and understanding how cells globally alter their gene expression profile during reprogramming is an ongoing problem. Here we reanalyze time-course data on cellular reprogramming from differentiated cell types to induced pluripotent stem cells (iPSCs) and show that gene expression dynamics during reprogramming follow a simple 1D reaction coordinate. This reaction coordinate is independent of both the time it takes to reach the iPSC state as well as the details of the experimental protocol used. Using Monte-Carlo simulations, we show that such a reaction coordinate emerges from epigenetic landscape models where cellular reprogramming is viewed as a 'barrier-crossing' process between cell fates. Overall, our analysis and model suggest that gene expression dynamics during reprogramming follow a canonical trajectory consistent with the idea of an 'optimal path' in gene expression space for reprogramming. PMID- 29211688 TI - Possible half-metallicity and variable range hopping transport in Sb-substituted Fe2TiSn Heusler alloys. AB - The investigation of the magnetotransport properties on [Formula: see text] [Formula: see text]Sb x with 0 [Formula: see text] 0.6 are presented in this paper. The substitution of Sb in place of Sn decreases the anti-site disorder as evident from x-ray diffraction patterns as well as from transport properties measurement. The much-disputed upturn in low temperature electrical resistivity of [Formula: see text]TiSn has been demonstrated to be a result of weak localization induced by anti-site disorder. With increased Sb substitution (?25%) the metallic transport behavior of [Formula: see text]TiSn changes to semiconductor-like. At low temperature, carrier transport in such compositions occurs via the variable range hopping mechanism. Moreover, a systematic increase in the anomalous Hall voltage is observed with increasing Sb-content, attributable to a side jump or Berry phase curvature effect. Electrical resistivity in the entire temperature regime hints towards half metallicity of the system. Our ab initio electronic structure calculations using generalised gradient approximation formalism further supports the results of our magnetotransport study. PMID- 29211689 TI - Balancing strength, hardness and ductility of Cu64Zr36 nanoglasses via embedded nanocrystals. AB - Superplasticity can be achieved in nanoglasses but at the expense of strength, and such a loss can be mitigated via embedding stronger nanocrystals, i.e., forming nanoglass/nanocrystal composites. As an illustrative case, we investigate plastic deformation of Cu64Zr36 nanoglass/nanocrystalline Cu composites during uniaxial tension and nanoindentation tests with molecular dynamics simulations. With an increasing fraction of nanocrystalline grains, the tensile strength of the composite is enhanced, while its ductility decreases. The dominant interface type changes from a glass-glass interface to glass-crystal interface to grain boundary, corresponding to a failure mode transition from superplastic flow to shear banding to brittle intercrystal fracture, respectively. Accordingly, the indentation hardness increases continuously and strain localization beneath the indenter is more and more severe. For an appropriate fraction of nanocrystalline grains, a good balance among strength, hardness and ductility can be realized, which is useful for the synthesis of novel nanograined glass/crystalline composites with high strength, high hardness and superior ductility. PMID- 29211690 TI - Assessment of a combined gas chromatography mass spectrometer sensor system for detecting biologically relevant volatile compounds. AB - There have been a number of studies in which metal oxide sensors (MOS) have replaced conventional analytical detectors in gas chromatography systems. However, despite the use of these instruments in a range of applications including breath research the sensor responses (i.e. resistance changes w.r.t. concentration of VCs) remain largely unreported. This paper addresses that issue by comparing the response of a metal oxide sensor directly with a mass spectrometer (MS), whereby both detectors are interfaced to the same GC column using an s-swafer. It was demonstrated that the sensitivity of an in-house fabricated ZnO/SnO2 thick film MOS was superior to a modern MS for the detection of a wide range of volatile compounds (VCs) of different functionalities and masses. Better techniques for detection and quantification of these VCs is valuable, as many of these compounds are commonly reported throughout the scientific literature. This is also the first published report of a combined GC MS sensor system. These two different detector technologies when combined, should enhance discriminatory abilities to aid disease diagnoses using volatiles from e.g. breath, and bodily fluids. Twenty-nine chemical standards have been tested using solid phase micro-extraction; 25 of these compounds are found on human breath. In all but two instances the sensor exhibited the same or superior limit of detection compared to the MS. Twelve stool samples from healthy participants were analysed; the sensor detected, on average 1.6 peaks more per sample than the MS. Similarly, analysing the headspace of E. coli broth cultures the sensor detected 6.9 more peaks per sample versus the MS. This greater sensitivity is primarily a function of the superior limits of detection of the metal oxide sensor. This shows that systems based on the combination of chromatography systems with solid state sensors shows promise for a range of applications. PMID- 29211691 TI - Long-term monitoring of water treatment technology designed for radium removal removal efficiencies and NORM formation. AB - A drinking water treatment plant in Viimsi, Estonia, was monitored over three years for iron, manganese, radium-226, radium-228, as well as their daughter nuclides, in order to determine the efficiency of the treatment process, gain an insight into the removal mechanisms and interactions between radium, iron, and manganese, and assess the overall longevity and performance of the technology along with the possible build-up of NORM in the treatment process. During the study, samples were collected from raw water, first and second stage filtrate, consumer water, backwash water and filter materials. The results show consistent removal efficiency for iron and manganese, as well as an average of over 85% removal for radium with a slight decline over time. The backwash process has been optimised for maximum radium removal from the filters, while keeping concentrations in the backwash water below exemption levels. However, the accumulation of radium and thorium occurs in the filter material, exceeding exemption levels in the top layer of the filter columns in less than a year. By the end of the observation period, activity concentrations in the top layer of the columns were above 30 000 Bq kg-1 for Ra-226 and Ra-228, and around 15 000 Bq kg-1 for Th-228. Radionuclides are not homogenously distributed in the filter columns. In order to estimate the average activity concentrations in the filter media, the height distribution of radionuclides has to be accounted for. Two years and two months after commissioning the treatment plant, the average activity concentrations of Ra isotopes in the filter columns were in the range 10 000 Bq kg-1, while Th-228 activity concentration was roughly 3500 Bq kg-1. PMID- 29211692 TI - A Molecular and Cytogenetic Update on Non-Small Cell Lung Carcinoma. AB - Lung cancer is one of the leading causes of cancer-related death worldwide. Among patients with lung cancer, approximately 85% have non-small cell lung carcinoma (NSCLC). The discovery of oncogenic driver mutations in NSCLC opened new personalized treatment options. Several methods that can identify these biomarkers are used routinely in a clinical setting to stratify patients for targeted therapy. In this review, we summarize the most clinically relevant driver genes, discuss the advantages and limitations of current clinical detection methods, and highlight the benefits of personalized treatment over standard chemotherapy. PMID- 29211693 TI - The t(12;21)(p13;q22) in Pediatric B-Acute Lymphoblastic Leukemia: An Update. AB - Erratum: Figure 1 on the last edition The Journal of the Association of Genetic Technologists. 2017;43(3): 113-127 does not contain the derivative 21. We are replacing this figure with the present one. In the section Secondary genetic aberrations we would like to add that: Deletions of 11q23 are observed in 5-6% of cases (Raynaud et al., 1999; Attarbaschi et al., 2004; Alvarez et al., 2005; Forestier et al., 2007). PMID- 29211671 TI - Pharmacomechanical Catheter-Directed Thrombolysis for Deep-Vein Thrombosis. AB - BACKGROUND: The post-thrombotic syndrome frequently develops in patients with proximal deep-vein thrombosis despite treatment with anticoagulant therapy. Pharmacomechanical catheter-directed thrombolysis (hereafter "pharmacomechanical thrombolysis") rapidly removes thrombus and is hypothesized to reduce the risk of the post-thrombotic syndrome. METHODS: We randomly assigned 692 patients with acute proximal deep-vein thrombosis to receive either anticoagulation alone (control group) or anticoagulation plus pharmacomechanical thrombolysis (catheter mediated or device-mediated intrathrombus delivery of recombinant tissue plasminogen activator and thrombus aspiration or maceration, with or without stenting). The primary outcome was development of the post-thrombotic syndrome between 6 and 24 months of follow-up. RESULTS: Between 6 and 24 months, there was no significant between-group difference in the percentage of patients with the post-thrombotic syndrome (47% in the pharmacomechanical-thrombolysis group and 48% in the control group; risk ratio, 0.96; 95% confidence interval [CI], 0.82 to 1.11; P=0.56). Pharmacomechanical thrombolysis led to more major bleeding events within 10 days (1.7% vs. 0.3% of patients, P=0.049), but no significant difference in recurrent venous thromboembolism was seen over the 24-month follow up period (12% in the pharmacomechanical-thrombolysis group and 8% in the control group, P=0.09). Moderate-to-severe post-thrombotic syndrome occurred in 18% of patients in the pharmacomechanical-thrombolysis group versus 24% of those in the control group (risk ratio, 0.73; 95% CI, 0.54 to 0.98; P=0.04). Severity scores for the post-thrombotic syndrome were lower in the pharmacomechanical thrombolysis group than in the control group at 6, 12, 18, and 24 months of follow-up (P<0.01 for the comparison of the Villalta scores at each time point), but the improvement in quality of life from baseline to 24 months did not differ significantly between the treatment groups. CONCLUSIONS: Among patients with acute proximal deep-vein thrombosis, the addition of pharmacomechanical catheter directed thrombolysis to anticoagulation did not result in a lower risk of the post-thrombotic syndrome but did result in a higher risk of major bleeding. (Funded by the National Heart, Lung, and Blood Institute and others; ATTRACT ClinicalTrials.gov number, NCT00790335 .). PMID- 29211695 TI - Minimally invasive brow lifting techniques: erratum. PMID- 29211696 TI - Green neutrophilic inclusions: current understanding and review of literature. AB - PURPOSE OF REVIEW: Green cytoplasmic inclusions in neutrophils are an uncommon finding on the peripheral blood smear. A comprehensive review of the literature is presented here with the goal of summarizing knowledge to date and increasing awareness. RECENT FINDINGS: A total of 41 cases have been reported in the literature, indicating the rarity of these green neutrophilic inclusions. Clinically, the inclusions have most consistently been associated with elevated transaminases, hepatic failure, and a high early mortality rate. The precise composition of the inclusions has not been confirmed. SUMMARY: Clinicians, hematologists, and laboratory technicians should be educated and have a high level of awareness of green neutrophilic inclusions. A more comprehensive analysis of a larger number of cases will be needed to clarify the true prevalence, associated conditions, biochemical nature, and clinical significance of this unusual finding. PMID- 29211694 TI - Prevention of bladder cancer incidence and recurrence: nutrition and lifestyle. AB - PURPOSE OF REVIEW: We review the influence of nutrition and lifestyle on bladder cancer incidence and recurrence and summarize food items, diets and lifestyle practices that physicians may wish to prioritize for discussion with their patients. RECENT FINDINGS: Recent study results suggest an association between bladder cancer incidence and several food items including meat, fruit, vegetables, milk products and oil. Micronutrient deficiency is associated with bladder cancer risk; however, it remains unclear if micronutrient supplementation can modify bladder cancer incidence. Furthermore, total fluid intake, alcohol, coffee and tea seem to have no influence on bladder cancer incidence. There is weak evidence that stress, anxiety and lack of sleep may increase the risk of developing bladder cancer, whereas exercise may reduce the risk of dying from it. SUMMARY: Several dietary items and life styles are associated with bladder cancer incidence and recurrence. However, besides smoking cessation, there is no evidence that a certain diet or lifestyle can decrease bladder cancer incidence. PMID- 29211697 TI - Cocaine/levamisole-associated autoimmune syndrome: a disease of neutrophil mediated autoimmunity. AB - PURPOSE OF REVIEW: Levamisole was previously used for its immunomodulatory properties to treat rheumatoid arthritis and some cancers. However, because of serious side-effects, it was taken off the market in the United States. Recently, levamisole has reemerged as a popular cocaine adulterant. Some individuals who consume levamisole-adulterated cocaine can develop a life-threatening autoimmune syndrome. In this review, the medical consequences of levamisole exposure and postulated mechanisms by which levamisole induces these adverse effects are discussed. RECENT FINDINGS: Although agranulocytosis and cutaneous vasculitis are the major findings in patients who develop cocaine/levamisole-associated autoimmune syndrome (CLAAS), more recent experience indicates that other organ systems can be involved as well. Current studies point to neutrophil activation and neutrophil extracellular trap formation with subsequent antineutrophil cytoplasmic antibody-mediated tissue injury as a possible mechanism of CLAAS. SUMMARY: In the past decade, the detrimental effects of levamisole have reemerged because of its popularity as a cocaine adulterant. Although infrequent, some individuals develop a systemic autoimmune syndrome characterized by immune mediated agranulocytosis and antineutrophil cytoplasmic antibody-mediated vasculitis. Mechanistically, neutrophil antigens appear to be a major player in inducing CLAAS. Prompt cessation of levamisole exposure is key to treatment, although relapses are frequent because of the addictive effects of cocaine and the high prevalence of levamisole within the cocaine supply. PMID- 29211698 TI - Branched-chain amino acid metabolism in cancer. AB - PURPOSE OF REVIEW: The current review aims to provide an update on the recent biomedical interest in oncogenic branched-chain amino acid (BCAA) metabolism, and discusses the advantages of using BCAAs and expression of BCAA-related enzymes in the treatment and diagnosis of cancers. RECENT FINDINGS: An accumulating body of evidence demonstrates that BCAAs are essential nutrients for cancer growth and are used by tumors in various biosynthetic pathways and as a source of energy. In addition, BCAA metabolic enzymes, such as the cytosolic branched-chain aminotransferase 1 (BCAT1) and mitochondrial branched-chain aminotransferase 2, have emerged as useful prognostic cancer markers. BCAT1 expression commonly correlates with more aggressive cancer growth and progression, and has attracted substantial scientific attention in the past few years. These studies have found the consequences of BCAT1 disruption to be heterogeneous; not all cancers share the same requirements for BCAA metabolites and the function of BCAT1 appears to vary between cancer types. SUMMARY: Both oncogenic mutations and cancer tissue-of origin influence BCAA metabolism and expression of BCAA-associated metabolic enzymes. These new discoveries need to be taken into consideration during the development of new cancer therapies that target BCAA metabolism. PMID- 29211699 TI - Robotic Versus Laparoscopic Gastrectomy for Locally Advanced Gastric Cancer. AB - Robotic gastrectomy (RG) has progressed rapidly in the last decade, overcoming many obstacles in laparoscopic technology. We compared surgical performance and short-term clinical outcomes between RG and laparoscopic gastrectomy (LG). In total, 163 patients with gastric cancer were randomly treated with RG (n=102) or LG (n=61). D2 lymphadenectomy was achieved in all patients. Digestive tract reconstruction in the RG group was performed by intracorporeal hand sewing, but extracorporeal anastomosis in the LG group was performed with a 25-mm circular stapler or linear stapler. Compared with the LG group, the RG group had less intraoperative blood loss (P=0.005) and more lymph nodes retrieved (P=0.000). Postoperative complications between the 2 groups were not significantly different during the 11-month follow-up (P=0.063). Compared with LG, RG is a feasible and safe approach with minimally invasive, satisfactory intracorporeal digestive tract reconstruction, and fast recovery. Multicenter randomized controlled studies of larger numbers of patients are needed. PMID- 29211700 TI - Effect of Histocompatibility Y Antigen Matching on Graft Survival in Primary Penetrating Keratoplasty. AB - PURPOSE: To investigate the influence of histocompatibility Y (H-Y) antigen matching on corneal graft survival in primary penetrating keratoplasty (PK). METHODS: Medical records of patients who underwent primary PK at Seoul National University Bundang Hospital between June 2005 and October 2015 were retrospectively analyzed. The eyes were classified into 2 groups: H-Y-compatible (115 eyes) and H-Y-incompatible (23 eyes). The H-Y-compatible group included donor/recipient combinations of male/male (57 eyes), female/male (44 eyes), and female/female (14 eyes). The H-Y-incompatible group included the male/female (23 eyes) combination alone. A subgroup analysis of low- and high-risk patients according to preoperative diagnoses was also performed. Survival analysis was conducted using the Kaplan-Meier method; differences between groups were assessed with a log-rank test. RESULTS: A total of 138 eyes from 136 patients (age: 58 +/- 18 years) were enrolled. Rejection-free graft survival and graft survival were not significantly different between H-Y-compatible and H-Y-incompatible groups (chi = 0.4, P = 0.548; chi = 1.9; P = 0.17, respectively). Preoperative diagnoses of high-risk cases included those with corneal perforation or thinning (8.7%) and infectious keratitis (7.2%). Low-risk cases included corneal opacity (50.0%), bullous keratopathy (25.4%), keratoconus (5.8%), and corneal dystrophy (2.9%). In the high-risk group, rejection-free graft survival rate was significantly higher in the H-Y-compatible group (chi = 3.9, P = 0.049). CONCLUSIONS: H-Y antigen matching does not influence graft rejection and failure in cases of primary PK. However, matching the H-Y antigen could help reduce graft rejection, especially in preoperatively high-risk patients. PMID- 29211701 TI - New Grading System for Limbal Dermoid: A Retrospective Analysis of 261 Cases Over a 10-Year Period. AB - PURPOSE: To establish a new scoring system for limbal dermoid, in order to unify the diagnostic criteria and assess the prognosis. METHODS: A retrospective study was conducted on 261 patients with limbal dermoid. The basic information, clinical features, and pathology of dermoids were recorded, and the prognosis at 1 year after keratoplasty was assessed at follow-up. A new visual scoring system was created for the area of corneal involvement, the area of conjunctival involvement, and the surface shape. RESULTS: There were 154 females and 107 males with mean age of 4 +/- 3 years at surgery. After scoring, 59% (136) of patients were classified as grade I, 26% (60) as grade II, and 14% (33) as grade III. The pathological results were 124 dermoid cases, 76 lipodermoid, 5 complex choristoma, and 10 epibulbar osseous choristoma. Moreover, patients with lower clinical scores presented a better prognosis; the mean logarithm of the minimum angle of resolution (logMAR) best-corrected visual acuity in grade I patients was 0.38 +/- 0.05, which was better than the grade II value of 0.61 +/- 0.09 (P < 0.05) and the grade III value of 0.94 +/- 0.11 (P < 0.001). CONCLUSIONS: New grading systems for limbal dermoid were useful for clinical diagnosis and may have prognostic value in predicting visual acuity. A lower-grade dermoid exhibited better vision postoperatively. PMID- 29211703 TI - Intra-articular findings during the modified Brostrom procedure for lateral instability of the pediatric ankle. AB - : The purpose of this study was to identify the rates of chondral injury, soft tissue impingement, and bony impingement in pediatric patients undergoing the modified Brostrom procedure with ankle arthroscopy for lateral ankle instability. A retrospective review of all patients undergoing a modified Brostrom procedure with ankle arthroscopy performed by two surgeons at a tertiary care children's hospital between October 2002 and April 2014 was performed. Data were collected regarding demographics, history and initial presentation, nonoperative management, surgical procedure and arthroscopic findings, and clinical follow-up. All patients had symptoms of ankle instability and had failed nonoperative management before surgery. A total of 69 patients were reviewed (75 ankles), of whom 54 (78%) were female and six underwent bilateral surgery. The mean+/-SD age was 15.2+/-2.6 years, and the mean BMI was 23.6+/-5.0 kg/m. All patients had preoperative radiography and MRI. Preoperative imaging within 1 year before surgery was available for review of 57 (76%) ankles, with 16 (28%) having open physes, 28 (49%) having closing physes, and 13 (23%) having closed physes. All patients reviewed underwent the Brostrom procedure with Gould modification and routine concurrent arthroscopy. During arthroscopy, anterior soft tissue impingement was noted in 49 (65%) ankles, synovitis in 40 (53%), chondral defect in eight (11%), loose body in three (4%), and none were found to have bony impingement. Soft tissue impingement (65%) is common in pediatric patients undergoing surgery for lateral ankle instability. Bony impingement (0%) and chondral injury (11%) are uncommon. This is in contrast to the adult population where bony impingement and chondral injury are more common. LEVEL OF EVIDENCE: Level IV Case Series. PMID- 29211704 TI - Histone Deacetylase (HDAC) Inhibitor, Suberoylanilide Hydroxamic Acid (SAHA), Induces Apoptosis in Prostate Cancer Cell Lines via the Akt/FOXO3a Signaling Pathway. AB - BACKGROUND Histone deacetylase (HDAC) inhibitors are emerging as a new class of anti-cancer drugs that promote cancer cell apoptosis, and include suberoylanilide hydroxamic acid (SAHA). The aim of this study was to investigate the mechanism of SAHA-induced apoptosis in human prostate cancer cell lines, DU145 and PC-3. MATERIAL AND METHODS Cell lines, DU145 and PC-3, were studied before and after treatment with SAHA. The effects of SAHA treatment on cell proliferation were studied using the MTT cell proliferation assay. Annexin-V-fluorescein isothiocyanate (FITC) and propidium iodide (PI) staining were used to study the effects of SAHA treatment on cell apoptosis. Western blotting, quantitative polymerase chain reaction (qPCR) and short interfering (si)RNA assays were performed to study the effects of SAHA treatment on apoptotic and cell cycle proteins and the Akt/FOXO3a signaling pathway. RESULTS Treatment with SAHA inhibited cell proliferation in human prostate cancer cell lines DU145 and PC-3 cells in a dose-dependent way. Cell cycle analysis and Annexin-V FITC/PI staining showed that treatment with SAHA resulted in G2/M cell cycle arrest and increased cell apoptosis in a dose-dependent way. Also, treatment with SAHA reduced the protein expression levels cyclin B and cyclin A2 and promoted the activation of FOXO3a by inhibiting Akt activation. Western blotting, the siRNA assay, and qPCR showed that FOXO3a, the Bcl-2 family of proteins, survivin, and FasL were involved in SAHA-induced apoptosis in prostate cancer cells grown in vitro. CONCLUSIONS Treatment with SAHA promoted apoptosis via the Akt/FOXO3a signaling pathway in prostate cancer cells in vitro. PMID- 29211705 TI - A workshop on 'Dietary Sweetness-Is It an Issue?' AB - This report summarises a workshop convened by ILSI Europe on 3 and 4 April 2017 to discuss the issue of dietary sweetness. The objectives were to understand the roles of sweetness in the diet, establish whether exposure to sweetness affects diet quality and energy intake, and consider whether sweetness per se affects health. Although there may be evidence for tracking of intake of some sweet components of the diet through childhood, evidence for tracking of whole diet sweetness, or through other stages of maturity are lacking. The evidence to date does not support adverse effects of sweetness on diet quality or energy intake, except where sweet food choices increase intake of free sugars. There is some evidence for improvements in diet quality and reduced energy intake where sweetness without calories replaces sweetness with calories. There is a need to understand the physiological and metabolic relevance of sweet taste receptors on the tongue, in the gut and elsewhere in the body, as well as possible differentiation in the effects of sustained consumption of individual sweeteners. Despite a plethora of studies, there is no consistent evidence for an association of sweetness sensitivity/preference with obesity or type 2 diabetes. A multifaceted integrated approach, characterising nutritive and sensory aspects of the whole diet or dietary patterns, may be more valuable in providing contextual insight. The outcomes of the workshop could be used as a scientific basis to inform the expert community and create more useful dialogue among health care professionals. PMID- 29211706 TI - Response to 'Jangle fallacy epidemic in obesity research: a comment on Ruddock et al. (2017)'. PMID- 29211707 TI - Obesity and obesogenic growth are both highly heritable and modified by diet in a nonhuman primate model, the African green monkey (Chlorocebus aethiops sabaeus). AB - OBJECTIVE: In humans, the ontogeny of obesity throughout the life course and the genetics underlying it has been historically difficult to study. We compared, in a non-human primate model, the lifelong growth trajectories of obese and non obese adults to assess the heritability of and map potential genomic regions implicated in growth and obesity. STUDY POPULATION: A total of 905 African green monkeys, or vervets (Chlorocebus aethiops sabaeus) (472 females, 433 males) from a pedigreed captive colony. METHODS: We measured fasted body weight (BW), crown to-rump length (CRL), body-mass index (BMI) and waist circumference (WC) from 2000 to 2015. We used a longitudinal clustering algorithm to detect obesogenic growth, and logistic growth curves implemented in nonlinear mixed effects models to estimate three growth parameters. We used maximum likelihood variance decomposition methods to estimate the genetic contributions to obesity-related traits and growth parameters, including a test for the effects of a calorie restricted dietary intervention. We used multipoint linkage analysis to map implicated genomic regions. RESULTS: All measurements were significantly influenced by sex, and with the exception of WC, also influenced by maternal and post-natal diet. Chronic obesity outcomes were significantly associated with a pattern of extended growth duration with slow growth rates for BW. After accounting for environmental influences, all measurements were found to have a significant genetic component to variability. Linkage analysis revealed several regions suggested to be linked to obesity-related traits that are also implicated in human obesity and metabolic disorders. CONCLUSIONS: As in humans, growth patterns in vervets have a significant impact on adult obesity and are largely under genetic control with some evidence for maternal and dietary programming. These results largely mirror findings from human research, but reflect shorter developmental periods, suggesting that the vervet offers a strong genetic model for elucidating the ontogeny of human obesity. PMID- 29211708 TI - Selective silencing of euchromatic L1s revealed by genome-wide screens for L1 regulators. AB - Transposable elements, also known as transposons, are now recognized not only as parasitic DNA, the spread of which in the genome must be controlled by the host, but also as major players in genome evolution and regulation. Long interspersed element-1 (LINE-1, also known as L1), the only currently autonomous mobile transposon in humans, occupies 17% of the genome and generates inter- and intra individual genetic variation, in some cases resulting in disease. However, how L1 activity is controlled and the function of L1s in host gene regulation are not completely understood. Here we use CRISPR-Cas9 screening strategies in two distinct human cell lines to provide a genome-wide survey of genes involved in the control of L1 retrotransposition. We identify functionally diverse genes that either promote or restrict L1 retrotransposition. These genes, which are often associated with human diseases, control the L1 life cycle at the transcriptional or the post-transcriptional level in a manner that can depend on the endogenous L1 nucleotide sequence, underscoring the complexity of L1 regulation. We further investigate the restriction of L1 by the protein MORC2 and by the human silencing hub (HUSH) complex subunits MPP8 and TASOR. HUSH and MORC2 can selectively bind evolutionarily young, full-length L1s located within transcriptionally permissive euchromatic environments, and promote deposition of histone H3 Lys9 trimethylation (H3K9me3) for transcriptional silencing. Notably, these silencing events often occur within introns of transcriptionally active genes, and lead to the downregulation of host gene expression in a HUSH-, MORC2-, and L1-dependent manner. Together, these results provide a rich resource for studies of L1 retrotransposition, elucidate a novel L1 restriction pathway and illustrate how epigenetic silencing of transposable elements rewires host gene expression programs. PMID- 29211709 TI - An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5. AB - Quasars are the most luminous non-transient objects known and as a result they enable studies of the Universe at the earliest cosmic epochs. Despite extensive efforts, however, the quasar ULAS J1120 + 0641 at redshift z = 7.09 has remained the only one known at z > 7 for more than half a decade. Here we report observations of the quasar ULAS J134208.10 + 092838.61 (hereafter J1342 + 0928) at redshift z = 7.54. This quasar has a bolometric luminosity of 4 * 1013 times the luminosity of the Sun and a black-hole mass of 8 * 108 solar masses. The existence of this supermassive black hole when the Universe was only 690 million years old-just five per cent of its current age-reinforces models of early black hole growth that allow black holes with initial masses of more than about 104 solar masses or episodic hyper-Eddington accretion. We see strong evidence of absorption of the spectrum of the quasar redwards of the Lyman alpha emission line (the Gunn-Peterson damping wing), as would be expected if a significant amount (more than 10 per cent) of the hydrogen in the intergalactic medium surrounding J1342 + 0928 is neutral. We derive such a significant fraction of neutral hydrogen, although the exact fraction depends on the modelling. However, even in our most conservative analysis we find a fraction of more than 0.33 (0.11) at 68 per cent (95 per cent) probability, indicating that we are probing well within the reionization epoch of the Universe. PMID- 29211710 TI - Moving beyond microbiome-wide associations to causal microbe identification. AB - Microbiome-wide association studies have established that numerous diseases are associated with changes in the microbiota. These studies typically generate a long list of commensals implicated as biomarkers of disease, with no clear relevance to disease pathogenesis. If the field is to move beyond correlations and begin to address causation, an effective system is needed for refining this catalogue of differentially abundant microbes and to allow subsequent mechanistic studies. Here we demonstrate that triangulation of microbe-phenotype relationships is an effective method for reducing the noise inherent in microbiota studies and enabling identification of causal microbes. We found that gnotobiotic mice harbouring different microbial communities exhibited differential survival in a colitis model. Co-housing of these mice generated animals that had hybrid microbiotas and displayed intermediate susceptibility to colitis. Mapping of microbe-phenotype relationships in parental mouse strains and in mice with hybrid microbiotas identified the bacterial family Lachnospiraceae as a correlate for protection from disease. Using directed microbial culture techniques, we discovered Clostridium immunis, a previously unknown bacterial species from this family, that-when administered to colitis-prone mice-protected them against colitis-associated death. To demonstrate the generalizability of our approach, we used it to identify several commensal organisms that induce intestinal expression of an antimicrobial peptide. Thus, we have used microbe phenotype triangulation to move beyond the standard correlative microbiome study and identify causal microbes for two completely distinct phenotypes. Identification of disease-modulating commensals by microbe-phenotype triangulation may be more broadly applicable to human microbiome studies. PMID- 29211711 TI - KAT2A coupled with the alpha-KGDH complex acts as a histone H3 succinyltransferase. AB - Histone modifications, such as the frequently occurring lysine succinylation, are central to the regulation of chromatin-based processes. However, the mechanism and functional consequences of histone succinylation are unknown. Here we show that the alpha-ketoglutarate dehydrogenase (alpha-KGDH) complex is localized in the nucleus in human cell lines and binds to lysine acetyltransferase 2A (KAT2A, also known as GCN5) in the promoter regions of genes. We show that succinyl coenzyme A (succinyl-CoA) binds to KAT2A. The crystal structure of the catalytic domain of KAT2A in complex with succinyl-CoA at 2.3 A resolution shows that succinyl-CoA binds to a deep cleft of KAT2A with the succinyl moiety pointing towards the end of a flexible loop 3, which adopts different structural conformations in succinyl-CoA-bound and acetyl-CoA-bound forms. Site-directed mutagenesis indicates that tyrosine 645 in this loop has an important role in the selective binding of succinyl-CoA over acetyl-CoA. KAT2A acts as a succinyltransferase and succinylates histone H3 on lysine 79, with a maximum frequency around the transcription start sites of genes. Preventing the alpha KGDH complex from entering the nucleus, or expression of KAT2A(Tyr645Ala), reduces gene expression and inhibits tumour cell proliferation and tumour growth. These findings reveal an important mechanism of histone modification and demonstrate that local generation of succinyl-CoA by the nuclear alpha-KGDH complex coupled with the succinyltransferase activity of KAT2A is instrumental in histone succinylation, tumour cell proliferation, and tumour development. PMID- 29211712 TI - Synchrotron scanning reveals amphibious ecomorphology in a new clade of bird-like dinosaurs. AB - Maniraptora includes birds and their closest relatives among theropod dinosaurs. During the Cretaceous period, several maniraptoran lineages diverged from the ancestral coelurosaurian bauplan and evolved novel ecomorphologies, including active flight, gigantism, cursoriality and herbivory. Propagation X-ray phase contrast synchrotron microtomography of a well-preserved maniraptoran from Mongolia, still partially embedded in the rock matrix, revealed a mosaic of features, most of them absent among non-avian maniraptorans but shared by reptilian and avian groups with aquatic or semiaquatic ecologies. This new theropod, Halszkaraptor escuilliei gen. et sp. nov., is related to other enigmatic Late Cretaceous maniraptorans from Mongolia in a novel clade at the root of Dromaeosauridae. This lineage adds an amphibious ecomorphology to those evolved by maniraptorans: it acquired a predatory mode that relied mainly on neck hyperelongation for food procurement, it coupled the obligatory bipedalism of theropods with forelimb proportions that may support a swimming function, and it developed postural adaptations convergent with short-tailed birds. PMID- 29211713 TI - Runx3 programs CD8+ T cell residency in non-lymphoid tissues and tumours. AB - Tissue-resident memory CD8+ T (TRM) cells are found at common sites of pathogen exposure, where they elicit rapid and robust protective immune responses. However, the molecular signals that control TRM cell differentiation and homeostasis are not fully understood. Here we show that mouse TRM precursor cells represent a unique CD8+ T cell subset that is distinct from the precursors of circulating memory cell populations at the levels of gene expression and chromatin accessibility. Using computational and pooled in vivo RNA interference screens, we identify the transcription factor Runx3 as a key regulator of TRM cell differentiation and homeostasis. Runx3 was required to establish TRM cell populations in diverse tissue environments, and supported the expression of crucial tissue-residency genes while suppressing genes associated with tissue egress and recirculation. Furthermore, we show that human and mouse tumour infiltrating lymphocytes share a core tissue-residency gene-expression signature with TRM cells that is associated with Runx3 activity. In a mouse model of adoptive T cell therapy for melanoma, Runx3-deficient CD8+ tumour-infiltrating lymphocytes failed to accumulate in tumours, resulting in greater rates of tumour growth and mortality. Conversely, overexpression of Runx3 enhanced tumour specific CD8+ T cell abundance, delayed tumour growth, and prolonged survival. In addition to establishing Runx3 as a central regulator of TRM cell differentiation, these results provide insight into the signals that promote T cell residency in non-lymphoid sites, which could be used to enhance vaccine efficacy or adoptive cell therapy treatments that target cancer. PMID- 29211714 TI - Structures of the calcium-activated, non-selective cation channel TRPM4. AB - TRPM4 is a calcium-activated, phosphatidylinositol-4,5-bisphosphate (PtdIns(4,5)P2) -modulated, non-selective cation channel that belongs to the family of melastatin-related transient receptor potential (TRPM) channels. Here we present the electron cryo-microscopy structures of the mouse TRPM4 channel with and without ATP. TRPM4 consists of multiple transmembrane and cytosolic domains, which assemble into a three-tiered architecture. The N-terminal nucleotide-binding domain and the C-terminal coiled-coil participate in the tetrameric assembly of the channel; ATP binds at the nucleotide-binding domain and inhibits channel activity. TRPM4 has an exceptionally wide filter but is only permeable to monovalent cations; filter residue Gln973 is essential in defining monovalent selectivity. The S1-S4 domain and the post-S6 TRP domain form the central gating apparatus that probably houses the Ca2+- and PtdIns(4,5)P2-binding sites. These structures provide an essential starting point for elucidating the complex gating mechanisms of TRPM4 and reveal the molecular architecture of the TRPM family. PMID- 29211715 TI - Alcohol-abuse drug disulfiram targets cancer via p97 segregase adaptor NPL4. AB - Cancer incidence is rising and this global challenge is further exacerbated by tumour resistance to available medicines. A promising approach to meet the need for improved cancer treatment is drug repurposing. Here we highlight the potential for repurposing disulfiram (also known by the trade name Antabuse), an old alcohol-aversion drug that has been shown to be effective against diverse cancer types in preclinical studies. Our nationwide epidemiological study reveals that patients who continuously used disulfiram have a lower risk of death from cancer compared to those who stopped using the drug at their diagnosis. Moreover, we identify the ditiocarb-copper complex as the metabolite of disulfiram that is responsible for its anti-cancer effects, and provide methods to detect preferential accumulation of the complex in tumours and candidate biomarkers to analyse its effect on cells and tissues. Finally, our functional and biophysical analyses reveal the molecular target of disulfiram's tumour-suppressing effects as NPL4, an adaptor of p97 (also known as VCP) segregase, which is essential for the turnover of proteins involved in multiple regulatory and stress-response pathways in cells. PMID- 29211716 TI - Atmospheric trace gases support primary production in Antarctic desert surface soil. AB - Cultivation-independent surveys have shown that the desert soils of Antarctica harbour surprisingly rich microbial communities. Given that phototroph abundance varies across these Antarctic soils, an enduring question is what supports life in those communities with low photosynthetic capacity. Here we provide evidence that atmospheric trace gases are the primary energy sources of two Antarctic surface soil communities. We reconstructed 23 draft genomes from metagenomic reads, including genomes from the candidate bacterial phyla WPS-2 and AD3. The dominant community members encoded and expressed high-affinity hydrogenases, carbon monoxide dehydrogenases, and a RuBisCO lineage known to support chemosynthetic carbon fixation. Soil microcosms aerobically scavenged atmospheric H2 and CO at rates sufficient to sustain their theoretical maintenance energy and mediated substantial levels of chemosynthetic but not photosynthetic CO2 fixation. We propose that atmospheric H2, CO2 and CO provide dependable sources of energy and carbon to support these communities, which suggests that atmospheric energy sources can provide an alternative basis for ecosystem function to solar or geological energy sources. Although more extensive sampling is required to verify whether this process is widespread in terrestrial Antarctica and other oligotrophic habitats, our results provide new understanding of the minimal nutritional requirements for life and open the possibility that atmospheric gases support life on other planets. PMID- 29211717 TI - Force loading explains spatial sensing of ligands by cells. AB - Cells can sense the density and distribution of extracellular matrix (ECM) molecules by means of individual integrin proteins and larger, integrin containing adhesion complexes within the cell membrane. This spatial sensing drives cellular activity in a variety of normal and pathological contexts. Previous studies of cells on rigid glass surfaces have shown that spatial sensing of ECM ligands takes place at the nanometre scale, with integrin clustering and subsequent formation of focal adhesions impaired when single integrin-ligand bonds are separated by more than a few tens of nanometres. It has thus been suggested that a crosslinking 'adaptor' protein of this size might connect integrins to the actin cytoskeleton, acting as a molecular ruler that senses ligand spacing directly. Here, we develop gels whose rigidity and nanometre-scale distribution of ECM ligands can be controlled and altered. We find that increasing the spacing between ligands promotes the growth of focal adhesions on low-rigidity substrates, but leads to adhesion collapse on more-rigid substrates. Furthermore, disordering the ligand distribution drastically increases adhesion growth, but reduces the rigidity threshold for adhesion collapse. The growth and collapse of focal adhesions are mirrored by, respectively, the nuclear or cytosolic localization of the transcriptional regulator protein YAP. We explain these findings not through direct sensing of ligand spacing, but by using an expanded computational molecular-clutch model, in which individual integrin-ECM bonds-the molecular clutches-respond to force loading by recruiting extra integrins, up to a maximum value. This generates more clutches, redistributing the overall force among them, and reducing the force loading per clutch. At high rigidity and high ligand spacing, maximum recruitment is reached, preventing further force redistribution and leading to adhesion collapse. Measurements of cellular traction forces and actin flow speeds support our model. Our results provide a general framework for how cells sense spatial and physical information at the nanoscale, precisely tuning the range of conditions at which they form adhesions and activate transcriptional regulation. PMID- 29211718 TI - piRNA-mediated regulation of transposon alternative splicing in the soma and germ line. AB - Transposable elements can drive genome evolution, but their enhanced activity is detrimental to the host and therefore must be tightly regulated. The Piwi interacting small RNA (piRNA) pathway is vital for the regulation of transposable elements, by inducing transcriptional silencing or post-transcriptional decay of mRNAs. Here we show that piRNAs and piRNA biogenesis components regulate precursor mRNA splicing of P-transposable element transcripts in vivo, leading to the production of the non-transposase-encoding mature mRNA isoform in Drosophila germ cells. Unexpectedly, we show that the piRNA pathway components do not act to reduce transcript levels of the P-element transposon during P-M hybrid dysgenesis, a syndrome that affects germline development in Drosophila. Instead, splicing regulation is mechanistically achieved together with piRNA-mediated changes to repressive chromatin states, and relies on the function of the Piwi piRNA complex proteins Asterix (also known as Gtsf1) and Panoramix (Silencio), as well as Heterochromatin protein 1a (HP1a; encoded by Su(var)205). Furthermore, we show that this machinery, together with the piRNA Flamenco cluster, not only controls the accumulation of Gypsy retrotransposon transcripts but also regulates the splicing of Gypsy mRNAs in cultured ovarian somatic cells, a process required for the production of infectious particles that can lead to heritable transposition events. Our findings identify splicing regulation as a new role and essential function for the Piwi pathway in protecting the genome against transposon mobility, and provide a model system for studying the role of chromatin structure in modulating alternative splicing during development. PMID- 29211719 TI - Inhibition of soluble epoxide hydrolase prevents diabetic retinopathy. AB - Diabetic retinopathy is an important cause of blindness in adults, and is characterized by progressive loss of vascular cells and slow dissolution of inter vascular junctions, which result in vascular leakage and retinal oedema. Later stages of the disease are characterized by inflammatory cell infiltration, tissue destruction and neovascularization. Here we identify soluble epoxide hydrolase (sEH) as a key enzyme that initiates pericyte loss and breakdown of endothelial barrier function by generating the diol 19,20-dihydroxydocosapentaenoic acid, derived from docosahexaenoic acid. The expression of sEH and the accumulation of 19,20-dihydroxydocosapentaenoic acid were increased in diabetic mouse retinas and in the retinas and vitreous humour of patients with diabetes. Mechanistically, the diol targeted the cell membrane to alter the localization of cholesterol binding proteins, and prevented the association of presenilin 1 with N-cadherin and VE-cadherin, thereby compromising pericyte-endothelial cell interactions and inter-endothelial cell junctions. Treating diabetic mice with a specific sEH inhibitor prevented the pericyte loss and vascular permeability that are characteristic of non-proliferative diabetic retinopathy. Conversely, overexpression of sEH in the retinal Muller glial cells of non-diabetic mice resulted in similar vessel abnormalities to those seen in diabetic mice with retinopathy. Thus, increased expression of sEH is a key determinant in the pathogenesis of diabetic retinopathy, and inhibition of sEH can prevent progression of the disease. PMID- 29211721 TI - Galaxy growth in a massive halo in the first billion years of cosmic history. AB - According to the current understanding of cosmic structure formation, the precursors of the most massive structures in the Universe began to form shortly after the Big Bang, in regions corresponding to the largest fluctuations in the cosmic density field. Observing these structures during their period of active growth and assembly-the first few hundred million years of the Universe-is challenging because it requires surveys that are sensitive enough to detect the distant galaxies that act as signposts for these structures and wide enough to capture the rarest objects. As a result, very few such objects have been detected so far. Here we report observations of a far-infrared-luminous object at redshift 6.900 (less than 800 million years after the Big Bang) that was discovered in a wide-field survey. High-resolution imaging shows it to be a pair of extremely massive star-forming galaxies. The larger is forming stars at a rate of 2,900 solar masses per year, contains 270 billion solar masses of gas and 2.5 billion solar masses of dust, and is more massive than any other known object at a redshift of more than 6. Its rapid star formation is probably triggered by its companion galaxy at a projected separation of 8 kiloparsecs. This merging companion hosts 35 billion solar masses of stars and has a star-formation rate of 540 solar masses per year, but has an order of magnitude less gas and dust than its neighbour and physical conditions akin to those observed in lower-metallicity galaxies in the nearby Universe. These objects suggest the presence of a dark matter halo with a mass of more than 100 billion solar masses, making it among the rarest dark-matter haloes that should exist in the Universe at this epoch. PMID- 29211720 TI - Blazar spectral variability as explained by a twisted inhomogeneous jet. AB - Blazars are active galactic nuclei, which are powerful sources of radiation whose central engine is located in the core of the host galaxy. Blazar emission is dominated by non-thermal radiation from a jet that moves relativistically towards us, and therefore undergoes Doppler beaming. This beaming causes flux enhancement and contraction of the variability timescales, so that most blazars appear as luminous sources characterized by noticeable and fast changes in brightness at all frequencies. The mechanism that produces this unpredictable variability is under debate, but proposed mechanisms include injection, acceleration and cooling of particles, with possible intervention of shock waves or turbulence. Changes in the viewing angle of the observed emitting knots or jet regions have also been suggested as an explanation of flaring events and can also explain specific properties of blazar emission, such as intra-day variability, quasi-periodicity and the delay of radio flux variations relative to optical changes. Such a geometric interpretation, however, is not universally accepted because alternative explanations based on changes in physical conditions-such as the size and speed of the emitting zone, the magnetic field, the number of emitting particles and their energy distribution-can explain snapshots of the spectral behaviour of blazars in many cases. Here we report the results of optical-to radio-wavelength monitoring of the blazar CTA 102 and show that the observed long term trends of the flux and spectral variability are best explained by an inhomogeneous, curved jet that undergoes changes in orientation over time. We propose that magnetohydrodynamic instabilities or rotation of the twisted jet cause different jet regions to change their orientation and hence their relative Doppler factors. In particular, the extreme optical outburst of 2016-2017 (brightness increase of six magnitudes) occurred when the corresponding emitting region had a small viewing angle. The agreement between observations and theoretical predictions can be seen as further validation of the relativistic beaming theory. PMID- 29211722 TI - Enhancing mitochondrial proteostasis reduces amyloid-beta proteotoxicity. AB - Alzheimer's disease is a common and devastating disease characterized by aggregation of the amyloid-beta peptide. However, we know relatively little about the underlying molecular mechanisms or how to treat patients with Alzheimer's disease. Here we provide bioinformatic and experimental evidence of a conserved mitochondrial stress response signature present in diseases involving amyloid beta proteotoxicity in human, mouse and Caenorhabditis elegans that involves the mitochondrial unfolded protein response and mitophagy pathways. Using a worm model of amyloid-beta proteotoxicity, GMC101, we recapitulated mitochondrial features and confirmed that the induction of this mitochondrial stress response was essential for the maintenance of mitochondrial proteostasis and health. Notably, increasing mitochondrial proteostasis by pharmacologically and genetically targeting mitochondrial translation and mitophagy increases the fitness and lifespan of GMC101 worms and reduces amyloid aggregation in cells, worms and in transgenic mouse models of Alzheimer's disease. Our data support the relevance of enhancing mitochondrial proteostasis to delay amyloid-beta proteotoxic diseases, such as Alzheimer's disease. PMID- 29211723 TI - Electron cryo-microscopy structure of a human TRPM4 channel. AB - Ca2+-activated, non-selective (CAN) ion channels sense increases of the intracellular Ca2+ concentration, producing a flux of Na+ and/or K+ ions that depolarizes the cell, thus modulating cellular Ca2+ entry. CAN channels are involved in cellular responses such as neuronal bursting activity and cardiac rhythm. Here we report the electron cryo-microscopy structure of the most widespread CAN channel, human TRPM4, bound to the agonist Ca2+ and the modulator decavanadate. Four cytosolic C-terminal domains form an umbrella-like structure with a coiled-coil domain for the 'pole' and four helical 'ribs' spanning the N terminal TRPM homology regions (MHRs), thus holding four subunits in a crown-like architecture. We observed two decavanadate-binding sites, one in the C-terminal domain and another in the intersubunit MHR interface. A glutamine in the selectivity filter may be an important determinant of monovalent selectivity. Our structure provides new insights into the function and pharmacology of both the CAN and the TRPM families. PMID- 29211724 TI - Large emissions from floodplain trees close the Amazon methane budget. AB - Wetlands are the largest global source of atmospheric methane (CH4), a potent greenhouse gas. However, methane emission inventories from the Amazon floodplain, the largest natural geographic source of CH4 in the tropics, consistently underestimate the atmospheric burden of CH4 determined via remote sensing and inversion modelling, pointing to a major gap in our understanding of the contribution of these ecosystems to CH4 emissions. Here we report CH4 fluxes from the stems of 2,357 individual Amazonian floodplain trees from 13 locations across the central Amazon basin. We find that escape of soil gas through wetland trees is the dominant source of regional CH4 emissions. Methane fluxes from Amazon tree stems were up to 200 times larger than emissions reported for temperate wet forests and tropical peat swamp forests, representing the largest non-ebullitive wetland fluxes observed. Emissions from trees had an average stable carbon isotope value (delta13C) of -66.2 +/- 6.4 per mil, consistent with a soil biogenic origin. We estimate that floodplain trees emit 15.1 +/- 1.8 to 21.2 +/- 2.5 teragrams of CH4 a year, in addition to the 20.5 +/- 5.3 teragrams a year emitted regionally from other sources. Furthermore, we provide a 'top-down' regional estimate of CH4 emissions of 42.7 +/- 5.6 teragrams of CH4 a year for the Amazon basin, based on regular vertical lower-troposphere CH4 profiles covering the period 2010-2013. We find close agreement between our 'top-down' and combined 'bottom-up' estimates, indicating that large CH4 emissions from trees adapted to permanent or seasonal inundation can account for the emission source that is required to close the Amazon CH4 budget. Our findings demonstrate the importance of tree stem surfaces in mediating approximately half of all wetland CH4 emissions in the Amazon floodplain, a region that represents up to one-third of the global wetland CH4 source when trees are combined with other emission sources. PMID- 29211725 TI - Correction: Signatures of criticality arise from random subsampling in simple population models. AB - [This corrects the article DOI: 10.1371/journal.pcbi.1005718.]. PMID- 29211726 TI - Psychosocial and socioeconomic determinants of cardiovascular mortality in Eastern Europe: A multicentre prospective cohort study. AB - BACKGROUND: Eastern European countries have some of the highest rates of cardiovascular disease (CVD) mortality, much of which cannot be adequately accounted for by conventional CVD risk factors. Psychosocial and socioeconomic factors may affect risk of CVD, but relatively few studies on this issue have been undertaken in Eastern Europe. We investigated whether various psychosocial factors are associated with CVD mortality independently from each other and whether they can help explain differences in CVD mortality between Eastern European populations. METHODS: Participants were from the Health, Alcohol and Psychological factors in Eastern Europe (HAPIEE) cohort study in Russia, Poland and the Czech Republic, including a total of 20,867 men and women aged 43-74 years and free of CVD at baseline examination during 2002-2005. Participants were followed-up for CVD mortality after linkage to national mortality registries for a median of 7.2 years. RESULTS: During the follow-up, 556 participants died from CVD. After mutual adjustment, six psychosocial and socioeconomic factors were associated with increased risk of CVD death: unemployment, low material amenities, depression, being single, infrequent contacts with friends or relatives. The hazard ratios [HRs] for these six factors ranged between 1.26 [95% confidence interval 1.14-1.40] and 1.81 [95% confidence interval 1.24-2.64], fully adjusted for each other, and conventional cardiovascular risk factors. Population-attributable fractions ranged from 8% [4%-13%] to 22% [11%-31%] for each factor, when measured on average across the three cohorts. However, the prevalence of psychosocial and socioeconomic risk factors and their HRs were similar between the three countries. Altogether, these factors could not explain why participants from Russia had higher CVD mortality when compared to participants from Poland/Czech Republic. Limitations of this study include measurement error that could lead to residual confounding; and the possibilities for reverse causation and/or unmeasured confounding from observational studies to lead to associations that are not causal in nature. CONCLUSIONS: Six psychosocial and socioeconomic factors were associated with cardiovascular mortality, independent of each other. Differences in mortality between cohorts from Russia versus Poland or Check Republic remained unexplained. PMID- 29211727 TI - Playing Super Mario 64 increases hippocampal grey matter in older adults. AB - Maintaining grey matter within the hippocampus is important for healthy cognition. Playing 3D-platform video games has previously been shown to promote grey matter in the hippocampus in younger adults. In the current study, we tested the impact of 3D-platform video game training (i.e., Super Mario 64) on grey matter in the hippocampus, cerebellum, and the dorsolateral prefrontal cortex (DLPFC) of older adults. Older adults who were 55 to 75 years of age were randomized into three groups. The video game experimental group (VID; n = 8) engaged in a 3D-platform video game training over a period of 6 months. Additionally, an active control group took a series of self-directed, computerized music (piano) lessons (MUS; n = 12), while a no-contact control group did not engage in any intervention (CON; n = 13). After training, a within subject increase in grey matter within the hippocampus was significant only in the VID training group, replicating results observed in younger adults. Active control MUS training did, however, lead to a within-subject increase in the DLPFC, while both the VID and MUS training produced growth in the cerebellum. In contrast, the CON group displayed significant grey matter loss in the hippocampus, cerebellum and the DLPFC. PMID- 29211728 TI - An open-label, non-randomized study of the pharmacokinetics of the nutritional supplement nicotinamide riboside (NR) and its effects on blood NAD+ levels in healthy volunteers. AB - OBJECTIVES: The co-primary objectives of this study were to determine the human pharmacokinetics (PK) of oral NR and the effect of NR on whole blood nicotinamide adenine dinucleotide (NAD+) levels. BACKGROUND: Though mitochondrial dysfunction plays a critical role in the development and progression of heart failure, no mitochondria-targeted therapies have been translated into clinical practice. Recent murine studies have reported associations between imbalances in the NADH/NAD+ ratio with mitochondrial dysfunction in multiple tissues, including myocardium. Moreover, an NAD+ precursor, nicotinamide mononucleotide, improved cardiac function, while another NAD+ precursor, nicotinamide riboside (NR), improved mitochondrial function in muscle, liver and brown adipose. Thus, PK studies of NR in humans is critical for future clinical trials. METHODS: In this non-randomized, open-label PK study of 8 healthy volunteers, 250 mg NR was orally administered on Days 1 and 2, then uptitrated to peak dose of 1000 mg twice daily on Days 7 and 8. On the morning of Day 9, subjects completed a 24-hour PK study after receiving 1000 mg NR at t = 0. Whole-blood levels of NR, clinical blood chemistry, and NAD+ levels were analyzed. RESULTS: Oral NR was well tolerated with no adverse events. Significant increases comparing baseline to mean concentrations at steady state (Cave,ss) were observed for both NR (p = 0.03) and NAD+ (p = 0.001); the latter increased by 100%. Absolute changes from baseline to Day 9 in NR and NAD+ levels correlated highly (R2 = 0.72, p = 0.008). CONCLUSIONS: Because NR increases circulating NAD+ in humans, NR may have potential as a therapy in patients with mitochondrial dysfunction due to genetic and/or acquired diseases. PMID- 29211729 TI - A promoter variant of the APOA5 gene increases atherogenic LDL levels and arterial stiffness in hypertriglyceridemic patients. AB - Hypertriglyceridemia is recognized as an independent risk factor for coronary artery disease. The apolipoprotein A5 gene (APOA5) is a key regulator of triglyceride levels. We aimed to evaluate the associations of single nucleotide polymorphisms (SNPs) in APOA5, including -1131T>C and c.553G>T, with hypertriglyceridemia, apoA5 concentrations, atherogenic LDL cholesterol levels, and arterial stiffness in hypertriglyceridemic patients. The study population included 599 hypertriglyceridemic patients (case) and 1,549 untreated normotriglyceridemic subjects (control). We genotyped two APOA5 variants, 1131T>C (rs662799) and c.553G>T (rs2075291). The frequencies of the CC genotype of -1131T>C (0.165) and the T allele of c.553G>T (0.119) were significantly higher in hypertriglyceridemic patients than in normotriglyceridemic subjects (0.061 and 0.070, respectively; all p<0.001). In the control and case groups, both the -1131T>C and c.553G>T variants were associated with higher triglyceride and lower HDL cholesterol levels. Controls with the -1131CC variant had lower apoA5 concentrations than controls with the -1131TT variant. Similar effects of the -1131T>C variant on apoA5 were observed in the cases. In the hypertriglyceridemic group, the -1131T>C variant was associated with a smaller LDL particle size, higher levels of oxidized LDL and malondialdehyde, and higher brachial-ankle pulse wave velocity. The -1131T>C and c.553G>T polymorphisms were associated with hypertriglyceridemia in the study population, but only the 1131T>C polymorphism directly affected apoA5 concentrations. Hypertriglyceridemic patients carrying the APOA5 -1131T>C polymorphism exhibited increased atherogenic LDL levels and arterial stiffness, probably due to an effect of the -1131T>C polymorphism on apoA5 concentrations. PMID- 29211730 TI - A continuous morphological approach to study the evolution of pollen in a phylogenetic context: An example with the order Myrtales. AB - The study of pollen morphology has historically allowed evolutionary biologists to assess phylogenetic relationships among Angiosperms, as well as to better understand the fossil record. During this process, pollen has mainly been studied by discretizing some of its main characteristics such as size, shape, and exine ornamentation. One large plant clade in which pollen has been used this way for phylogenetic inference and character mapping is the order Myrtales, composed by the small families Alzateaceae, Crypteroniaceae, and Penaeaceae (collectively the "CAP clade"), as well as the large families Combretaceae, Lythraceae, Melastomataceae, Myrtaceae, Onagraceae and Vochysiaceae. In this study, we present a novel way to study pollen evolution by using quantitative size and shape variables. We use morphometric and morphospace methods to evaluate pollen change in the order Myrtales using a time-calibrated, supermatrix phylogeny. We then test for conservatism, divergence, and morphological convergence of pollen and for correlation between the latitudinal gradient and pollen size and shape. To obtain an estimate of shape, Myrtales pollen images were extracted from the literature, and their outlines analyzed using elliptic Fourier methods. Shape and size variables were then analyzed in a phylogenetic framework under an Ornstein Uhlenbeck process to test for shifts in size and shape during the evolutionary history of Myrtales. Few shifts in Myrtales pollen morphology were found which indicates morphological conservatism. Heterocolpate, small pollen is ancestral with largest pollen in Onagraceae. Convergent shifts in shape but not size occurred in Myrtaceae and Onagraceae and are correlated to shifts in latitude and biogeography. A quantitative approach was applied for the first time to examine pollen evolution across a large time scale. Using phylogenetic based morphometrics and an OU process, hypotheses of pollen size and shape were tested across Myrtales. Convergent pollen shifts and position in the latitudinal gradient support the selective role of harmomegathy, the mechanism by which pollen grains accommodate their volume in response to water loss. PMID- 29211731 TI - Social mixing in Fiji: Who-eats-with-whom contact patterns and the implications of age and ethnic heterogeneity for disease dynamics in the Pacific Islands. AB - Empirical data on contact patterns can inform dynamic models of infectious disease transmission. Such information has not been widely reported from Pacific islands, nor strongly multi-ethnic settings, and few attempts have been made to quantify contact patterns relevant for the spread of gastrointestinal infections. As part of enteric fever investigations, we conducted a cross-sectional survey of the general public in Fiji, finding that within the 9,650 mealtime contacts reported by 1,814 participants, there was strong like-with-like mixing by age and ethnicity, with higher contact rates amongst iTaukei than non-iTaukei Fijians. Extra-domiciliary lunchtime contacts follow these mixing patterns, indicating the overall data do not simply reflect household structures. Inter-ethnic mixing was most common amongst school-age children. Serological responses indicative of recent Salmonella Typhi infection were found to be associated, after adjusting for age, with increased contact rates between meal-sharing iTaukei, with no association observed for other contact groups. Animal ownership and travel within the geographical division were common. These are novel data that identify ethnicity as an important social mixing variable, and use retrospective mealtime contacts as a socially acceptable metric of relevance to enteric, contact and respiratory diseases that can be collected in a single visit to participants. Application of these data to other island settings will enable communicable disease models to incorporate locally relevant mixing patterns in parameterisation. PMID- 29211733 TI - Correction: Underestimation of Leptospirosis Incidence in the French West Indies. AB - [This corrects the article DOI: 10.1371/journal.pntd.0004668.]. PMID- 29211732 TI - The mouse Jhy gene regulates ependymal cell differentiation and ciliogenesis. AB - During the first postnatal week of mouse development, radial glial cells lining the ventricles of the brain differentiate into ependymal cells, undergoing a morphological change from pseudostratified cuboidal cells to a flattened monolayer. Concomitant with this change, multiple motile cilia are generated and aligned on each nascent ependymal cell. Proper ependymal cell development is crucial to forming the brain tissue:CSF barrier, and to the establishment of ciliary CSF flow, but the mechanisms that regulate this differentiation event are poorly understood. The JhylacZ mouse line carries an insertional mutation in the Jhy gene (formerly 4931429I11Rik), and homozygous JhylacZ/lacZ mice develop a rapidly progressive juvenile hydrocephalus, with defects in ependymal cilia morphology and ultrastructure. Here we show that beyond just defective motile cilia, JhylacZ/lacZ mice display abnormal ependymal cell differentiation. Ventricular ependyma in JhylacZ/lacZ mice retain an unorganized and multi-layered morphology, representative of undifferentiated ependymal (radial glial) cells, and they show altered expression of differentiation markers. Most JhylacZ/lacZ ependymal cells do eventually acquire some differentiated ependymal characteristics, suggesting a delay, rather than a block, in the differentiation process, but ciliogenesis remains perturbed. JhylacZ/lacZ ependymal cells also manifest disruptions in adherens junction formation, with altered N-cadherin localization, and have defects in the polarized organization of the apical motile cilia that do form. Functional studies showed that cilia of JhylacZ/lacZ mice have severely reduced motility, a potential cause for the development of hydrocephalus. This work shows that JHY does not only control ciliogenesis, but is a crucial component of the ependymal differentiation process, with ciliary defects likely a consequence of altered ependymal differentiation. PMID- 29211734 TI - Seafarer citizen scientist ocean transparency data as a resource for phytoplankton and climate research. AB - The oceans' phytoplankton that underpin the marine food chain appear to be changing in abundance due to global climate change. Here, we compare the first four years of data from a citizen science ocean transparency study, conducted by seafarers using home-made Secchi Disks and a free Smartphone application called Secchi, with contemporaneous satellite ocean colour measurements. Our results show seafarers collect useful Secchi Disk measurements of ocean transparency that could help future assessments of climate-induced changes in the phytoplankton when used to extend historical Secchi Disk data. PMID- 29211735 TI - 'Lowering the threshold of effective deterrence'-Testing the effect of private security agents in public spaces on crime: A randomized controlled trial in a mass transit system. AB - Supplementing local police forces is a burgeoning multibillion-dollar private security industry. Millions of formal surveillance agents in public settings are tasked to act as preventative guardians, as their high visibility presence is hypothesized to create a deterrent threat to potential offenders. Yet, rigorous evidence is lacking. We randomly assigned all train stations in the South West of England that experienced crime into treatment and controls conditions over a six month period. Treatment consisted of directed patrol by uniformed, unarmed security agents. Hand-held trackers on every agent yielded precise measurements of all patrol time in the stations. Count-based regression models, estimated marginal means and odds-ratios are used to assess the effect of these patrols on crimes reported to the police by victims, as well as new crimes detected by police officers. Outcomes are measured at both specified target locations to which security guards were instructed to attend, as well as at the entire station complexes. Analyses show that 41% more patrol visits and 29% more minutes spent by security agents at treatment compared to control stations led to a significant 16% reduction in victim-generated crimes at the entirety of the stations' complexes, with a 49% increase in police-generated detections at the target locations. The findings illustrate the efficacy of private policing for crime prevention theory. PMID- 29211736 TI - Versatile single-step-assembly CRISPR/Cas9 vectors for dual gRNA expression. AB - CRISPR/Cas9 technology enables efficient, rapid and cost-effective targeted genomic modification in a wide variety of cellular contexts including cultured cells. Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of two gRNAs. Although single plasmids that enable multiplex expression of gRNAs have been developed, these require multiple rounds of cloning and/or PCR for generation of the desired construct. Here, we describe a series of vectors that enable generation of customized dual-gRNA expression constructs via an easy one-step golden gate cloning reaction using two annealed oligonucleotide inserts with different overhangs. Through nucleofection of mouse embryonic stem cells, we demonstrate highly efficient cleavage of the target loci using the dual-guide plasmids, which are available as Cas9-nuclease or Cas9-nickase expression constructs, with or without selection markers. These vectors are a valuable addition to the CRISPR/Cas9 toolbox and will be made available to all interested researchers via the Addgene plasmid repository. PMID- 29211737 TI - Correction: CD8+ T cells provide immune protection against murine disseminated endotheliotropic Orientia tsutsugamushi infection. AB - [This corrects the article DOI: 10.1371/journal.pntd.0005763.]. PMID- 29211739 TI - The association between socioeconomic factors and breast cancer-specific survival varies by race. AB - Although racial disparity is well described for oncologic outcomes, factors associated with survival within racial groups remains unexplored. The objective of this study is to determine whether breast cancer survival among White or Black patients is associated with differing patient factors. Women diagnosed with breast cancer from 1998 through 2012 were identified in the Surveillance, Epidemiology, and End Results (SEER) database. Cox proportional hazard logistic regression was used to estimate cause-specific survival in the combined cohort, and separate cohorts of Black or White patients only. Main outcomes included cause-specific survival in cohorts of Black only, White only, or all patients adjusted for demographic and oncologic factors. A total of 406,907 Black (10.8%) or White (89.2%) patients diagnosed with breast cancer from 1998 through 2012 were isolated. Cancer-specific survival analysis of the combined cohort showed significantly decreased hazard ratio (H.R.) in patients from the higher economic quartiles (Q1: 1.0 (ref), Q2: 0.95 (p<0.01), Q3: 0.94 (p<0.01), Q4: 0.87 (p<0.001)). Analysis of the White only cohort showed a similar relationship with income (Q1: 1.0 (ref), Q2: 0.95 (p<0.01), Q3: 0.95 (p<0.01), Q4: 0.86 (p<0.001)). However, analysis of the Black only cohort did not show a relationship with income (Q1: 1.0 (ref), Q2: 1.04 (p = 0.34), Q3: 0.97 (p = 0.53), Q4: 1.04 (p = 0.47)). A test of interaction confirmed that the association between income and cancer-specific survival is dependent on patient race, both with and without adjustment for demographic and oncologic characteristics (p<0.01). While median county income is positively associated with cancer-specific survival among White patients, this is not the case with Black patients. Similar findings were noted for education level. These findings suggest that the association between socioeconomic status and breast cancer survival commonly reported in the literature is specific to White patients. These findings provide insight into differences between White and Black patients in cancer-specific survival. PMID- 29211738 TI - Metformin inhibits the development, and promotes the resensitization, of treatment-resistant breast cancer. AB - Multiple drug resistant (MDR) malignancy remains a predictable and often terminal event in cancer therapy, and affects individuals with many cancer types, regardless of the stage at which they were originally diagnosed or the interval from last treatment. Protein biomarkers of MDR are not globally used for clinical decision-making, but include the overexpression of drug-efflux pumps (ABC transporter family) such as MDR-1 and BCRP, as well as HIF1alpha, a stress responsive transcription factor found elevated within many MDR tumors. Here, we present the important in vitro discovery that the development of MDR (in breast cancer cells) can be prevented, and that established MDR could be resensitized to therapy, by adjunct treatment with metformin. Metformin is prescribed globally to improve insulin sensitivity, including in those individuals with Type 2 Diabetes Mellitus (DM2). We demonstrate the effectiveness of metformin in resensitizing MDR breast cancer cell lines to their original treatment, and provide evidence that metformin may function through a mechanism involving post-translational histone modifications via an indirect histone deacetylase inhibitor (HDACi) activity. We find that metformin, at low physiological concentrations, reduces the expression of multiple classic protein markers of MDR in vitro and in preliminary in vivo models. Our demonstration that metformin can prevent MDR development and resensitize MDR cells to chemotherapy in vitro, provides important medical relevance towards metformin's potential clinical use against MDR cancers. PMID- 29211740 TI - A systematic review and meta-analysis of comprehensive interventions for pre school children with autism spectrum disorder (ASD). AB - BACKGROUND: There has an increasing number of published trials on psychosocial intervention programmes for pre-school children with autism spectrum disorder (ASD). To achieve better quality of unbiased evidence for the effectiveness of ASD interventions, it is necessary to conduct a comprehensive review that covers studies with adequate quality standards, such as randomised controlled trials (RCTs), and different types of intervention In this study, we categorize interventions for ASD as behavioural, social-communication focused, and multimodal developmental based on Howlin's classification of early interventions for children with ASD. The aim of this study was to compare these three models and investigate the strengths and weaknesses of each type of intervention and to identify the approaches that contribute to a successful outcome for children with autism. METHODS: We performed a systematic review and meta-analysis. We included RCTs targeting children with ASD 6 years old or younger. A random effects model was used to present the effect estimate for the outcomes. This study also performed combined meta-analyses of all the three models to investigate the overall effectiveness of the intervention programmes. RESULTS: 32 randomized controlled studies were found to be eligible for inclusion. The synthesized data included 594 children from 14 RCTs. There was no statistically significant difference in the effects on autism general symptoms between the social communication-focused model and the multimodal developmental model (p = 0.83). The results suggest that there is evidence of an effect on 'reciprocity of social interaction towards others' (standard mean difference [95% confidential interval] = 0.53[0.29,0.78], p<0.01) and 'parental synchrony' (SMD = 0.99[0.70,1.29], p<0.01). CONCLUSION: The small number of studies included in the present study limited the ability to make inferences when comparing the three models and investigating the strengths and weaknesses of each type of intervention with respect to important outcomes. Since the outcome of 'reciprocity of social interaction towards others' could be a dependent variable that might be context bound to interactions with the child's parent, we cannot conclude the interventions for pre-school children with ASD have significant effects on a generalized skill to engage in reciprocal interactions with others. However, the outcomes of 'reciprocity of social interaction towards others' and 'parental synchrony' may be promising targets for interventions involving pre-school children with ASD. TRIAL REGISTRATION: Prospero CRD42011001349. PMID- 29211742 TI - Fear of falling and postural reactivity in patients with glaucoma. AB - PURPOSE: To investigate the relationship between postural metrics obtained by dynamic visual stimulation in a virtual reality environment and the presence of fear of falling in glaucoma patients. METHODS: This cross-sectional study included 35 glaucoma patients and 26 controls that underwent evaluation of postural balance by a force platform during presentation of static and dynamic visual stimuli with head-mounted goggles (Oculus Rift). In dynamic condition, a peripheral translational stimulus was used to induce vection and assess postural reactivity. Standard deviations of torque moments (SDTM) were calculated as indicative of postural stability. Fear of falling was assessed by a standardized questionnaire. The relationship between a summary score of fear of falling and postural metrics was investigated using linear regression models, adjusting for potentially confounding factors. RESULTS: Subjects with glaucoma reported greater fear of falling compared to controls (-0.21 vs. 0.27; P = 0.039). In glaucoma patients, postural metrics during dynamic visual stimulus were more associated with fear of falling (R2 = 18.8%; P = 0.001) than static (R2 = 3.0%; P = 0.005) and dark field (R2 = 5.7%; P = 0.007) conditions. In the univariable model, fear of falling was not significantly associated with binocular standard perimetry mean sensitivity (P = 0.855). In the multivariable model, each 1 Nm larger SDTM in anteroposterior direction during dynamic stimulus was associated with a worsening of 0.42 units in the fear of falling questionnaire score (P = 0.001). CONCLUSION: In glaucoma patients, postural reactivity to a dynamic visual stimulus using a virtual reality environment was more strongly associated with fear of falling than visual field testing and traditional balance assessment. PMID- 29211741 TI - An economic evaluation of Alexander Technique lessons or acupuncture sessions for patients with chronic neck pain: A randomized trial (ATLAS). AB - OBJECTIVES: To assess the cost-effectiveness of acupuncture and usual care, and Alexander Technique lessons and usual care, compared with usual GP care alone for chronic neck pain patients. METHODS: An economic evaluation was undertaken alongside the ATLAS trial, taking both NHS and wider societal viewpoints. Participants were offered up to twelve acupuncture sessions or twenty Alexander lessons (equivalent overall contact time). Costs were in pounds sterling. Effectiveness was measured using the generic EQ-5D to calculate quality adjusted life years (QALYs), as well as using a specific neck pain measure-the Northwick Park Neck Pain Questionnaire (NPQ). RESULTS: In the base case analysis, incremental QALY gains were 0.032 and 0.025 in the acupuncture and Alexander groups, respectively, in comparison to usual GP care, indicating moderate health benefits for both interventions. Incremental costs were L451 for acupuncture and L667 for Alexander, mainly driven by intervention costs. Acupuncture was likely to be cost-effective (ICER = L18,767/QALY bootstrapped 95% CI L4,426 to L74,562) and was robust to most sensitivity analyses. Alexander lessons were not cost effective at the lower NICE threshold of L20,000/QALY (L25,101/QALY bootstrapped 95% CI -L150,208 to L248,697) but may be at L30,000/QALY, however, there was considerable statistical uncertainty in all tested scenarios. CONCLUSIONS: In comparison with usual care, acupuncture is likely to be cost-effective for chronic neck pain, whereas, largely due to higher intervention costs, Alexander lessons are unlikely to be cost-effective. However, there were high levels of missing data and further research is needed to assess the long-term cost effectiveness of these interventions. PMID- 29211743 TI - Symptoms associated with adverse dengue fever prognoses at the time of reporting in the 2015 dengue outbreak in Taiwan. AB - BACKGROUND: Tainan experienced the most severe dengue epidemic in Taiwan in 2015. This study investigates the association between the signs and symptoms at the time of reporting with the adverse dengue prognoses. METHODS: A descriptive study was conducted using secondary data from the Dengue Disease Reporting System in Tainan, Taiwan, between January 1 and December 31, 2015. A multivariate stepwise logistic regression was used to identify the risk factors for the adverse prognoses: ICU admissions and mortality. RESULTS: There were 22,777 laboratory confirmed reported cases (mean age 45.6 +/- 21.2 years), of which 3.7% were admitted to intensive care units (ICU), and 0.8% were fatal. The most common symptoms were fever (92.8%), myalgia (26.6%), and headache (22.4%). The prevalence of respiratory distress, altered consciousness, shock, bleeding, and thrombocytopenia increased with age. The multivariate analysis indicated that being in 65-89 years old age group [Adjusted Odds Ratio (aOR):4.95], or the 90 years old and above age group (aOR: 9.06), and presenting with shock (aOR: 8.90) and respiratory distress (aOR: 5.31) were significantly associated with the risk of ICU admission. While old age (aOR: 1.11), respiratory distress (aOR: 9.66), altered consciousness (aOR: 7.06), and thrombocytopenia (aOR: 2.55) were significantly associated with the risk of mortality. CONCLUSIONS: Dengue patients older than 65 and those with severe and non-specific signs and symptoms at the time of reporting were at a higher risk of ICU admission and mortality. First line healthcare providers need to be aware of the varied presentations between the different age groups to allow early diagnosis and in-time management, which would prevent ICU admissions and fatalities in dengue patients. PMID- 29211744 TI - Authorship and citation manipulation in academic research. AB - Some scholars add authors to their research papers or grant proposals even when those individuals contribute nothing to the research effort. Some journal editors coerce authors to add citations that are not pertinent to their work and some authors pad their reference lists with superfluous citations. How prevalent are these types of manipulation, why do scholars stoop to such practices, and who among us is most susceptible to such ethical lapses? This study builds a framework around how intense competition for limited journal space and research funding can encourage manipulation and then uses that framework to develop hypotheses about who manipulates and why they do so. We test those hypotheses using data from over 12,000 responses to a series of surveys sent to more than 110,000 scholars from eighteen different disciplines spread across science, engineering, social science, business, and health care. We find widespread misattribution in publications and in research proposals with significant variation by academic rank, discipline, sex, publication history, co-authors, etc. Even though the majority of scholars disapprove of such tactics, many feel pressured to make such additions while others suggest that it is just the way the game is played. The findings suggest that certain changes in the review process might help to stem this ethical decline, but progress could be slow. PMID- 29211745 TI - The Back Belief Questionnaire is efficient to assess false beliefs and related fear in low back pain populations: A transcultural adaptation and validation study. AB - BACKGROUND: According to the fear avoidance model, beliefs and thoughts can modify the outcome of patient with low back pain. The Back Belief Questionnaire (BBQ)-a 14 items scale-assesses these consequences of low back pain. OBJECTIVE: To test the psychometric properties of the French version of the BBQ. METHODS: The BBQ was translated using the forward-backward translation process. Throughout three repeated evaluation time points (D1, D7 and D30), various aspects of validity were analysed: acceptability, quality of items, unidimentionality, internal consistency, temporal stability (between D1 and D7), responsiveness (between D7 and D30), and construct validity comparing it to other validated scales. RESULTS: One hundred and thirty-one patients were enrolled and 128 were analyzed. The acceptability and the quality of the items were excellent. The scale was unidimensional and reliable (internal consistency: Cronbach's alpha = 0.8). The responsiveness was moderate but in line with other scores. The BBQ was, as expected, convergent with day-to-day activities and fear avoidance (FABQ and Tampa), disability (Quebec and Dallas scores), or anxiety and depression (HAD); and not correlated with pain. Best correlations were found with Tampa and FABQ. The temporal stability (test-retest reliability) was poor. However, similar changes were observed in near conceptual score (FABQ), which confirmed that clinical status may have not been stable and suggesting sensitivity to early changes for BBQ. CONCLUSIONS: The BBQ showed good psychometric properties to assess false beliefs and related fear in French or English LBP populations and can be used either for evaluation in international trials or as a part of self care training. PMID- 29211747 TI - Profiling of volatile fragrant components in a mini-core collection of mango germplasms from seven countries. AB - Aroma is important in assessing the quality of fresh fruit and their processed products, and could provide good indicators for the development of local cultivars in the mango industry. In this study, the volatile diversity of 25 mango cultivars from China, America, Thailand, India, Cuba, Indonesia, and the Philippines was investigated. The volatile compositions, their relative contents, and the intervarietal differences were detected with headspace solid phase microextraction tandem gas chromatography-mass spectrometer methods. The similarities were also evaluated with a cluster analysis and correlation analysis of the volatiles. The differences in mango volatiles in different districts are also discussed. Our results show significant differences in the volatile compositions and their relative contents among the individual cultivars and regions. In total, 127 volatiles were found in all the cultivars, belonging to various chemical classes. The highest and lowest qualitative abundances of volatiles were detected in 'Zihua' and 'Mallika' cultivars, respectively. Based on the cumulative occurrence of members of the classes of volatiles, the cultivars were grouped into monoterpenes (16 cultivars), proportion and balanced (eight cultivars), and nonterpene groups (one cultivars). Terpene hydrocarbons were the major volatiles in these cultivars, with terpinolene, 3-carene, caryophyllene and alpha-Pinene the dominant components depending on the cultivars. Monoterpenes, some of the primary volatile components, were the most abundant aroma compounds, whereas aldehydes were the least abundant in the mango pulp. beta-Myrcene, a major terpene, accounted for 58.93% of the total flavor volatile compounds in 'Xiaofei' (Philippens). gamma-Octanoic lactone was the only ester in the total flavor volatile compounds, with its highest concentration in 'Guiya' (China). Hexamethyl cyclotrisiloxane was the most abundant volatile compound in 'Magovar' (India), accounting for 46.66% of the total flavor volatiles. A typical aldehydic aroma 2,6-di-tert-butyl-4-sec-butylphenol, was detected in 'Gleck'. A highly significant positive correlation was detected between Alc and K, Alk and Nt, O and L. Cultivars originating from America, Thailand, Cuba, India, Indonesia and the Philippines were more similar to each other than to those from China. This study provides a high-value dataset for use in development of health care products, diversified mango breeding, and local extension of mango cultivars. PMID- 29211746 TI - Review of the factors influencing the motivation of community drug distributors towards the control and elimination of neglected tropical diseases (NTDs). AB - BACKGROUND: Community drug distributors or neglected tropical disease (NTD) volunteers have played a crucial role in ensuring the success of mass drug administration (MDA) programs using preventive chemotherapy (PC) for lymphatic filariasis, onchocerciasis, schistosomiasis, trachoma and soil transmitted helminths. In recent years however, a noticeable decline in motivation of some of these volunteers has been perceived, potentially negatively impacting the success of these programs. Potential hypotheses for this change in motivation include the long duration of many MDA programs, the change in sociocultural environments as well as the changes to the programs over time. This literature review identifies factors that affect NTD volunteer performance and motivation, which may be used to influence and improve future programming. METHODOLOGY/PRINCIPAL FINDINGS: A systematic search was conducted to identify studies published between January 1995 and September 2016 that investigate factors pertaining to volunteer motivation and performance in NTD drug distribution programs. Searches from several databases and grey literature yielded 400 records, of which 28 articles from 10 countries met the inclusion criteria. Quality assessment of studies was performed using the Critical Appraisal Skills Programme(CASP) checklist. Data pertaining to motivation, performance, retention and satisfaction was extracted and examined for themes. Recurring themes in the literature included monetary and material incentives, intrinsic motivation, gender, cost to participate, and health systems and community support. Of these, community support and the health system were found to be particularly impactful. Very few studies were found to explicitly look at novel incentives for volunteers and very few studies have considered the out of pocket and opportunity costs that NTD volunteers bear carrying out their tasks. CONCLUSIONS/SIGNIFICANCE: There is currently great interest in incorporating more attractive incentive schemes for NTD volunteers. However, our results show that the important challenges that volunteers face (cultural, health systems, financial and community related) may have less to do with financial incentives and may actually have a larger impact on their motivation than has previously been understood. Further integration of NTD programs into existing health systems is expected to improve the NTD volunteer working environment. Relevant community engagement related to the MDA program should also provide the supportive environment needed in the community to support NTD volunteers. Programs need to consider these issues to improve working conditions for NTD volunteers. PMID- 29211748 TI - Interactions between abundant fungal species influence the fungal community assemblage on limestone. AB - The assembly of fungal communities on stone materials is mainly influenced by the differential bioreceptivity of such materials and environmental conditions. However, little is known about the role of fungal interactions in the colonization and establishment of fungal species. We analyzed the effects of intra- and interspecific interactions between 11 species of fungi in oligotrophic and copiotrophic media and on limestone coupons. In a previous study, these species were the most frequently isolated in the epilithic biofilms of limestone walls exposed to a subtropical climate. In the culture media, we found a greater frequency of intra- and interspecific inhibitory effects in the oligotrophic medium than in the copiotrophic medium. On the limestone coupons, all fungi were able to establish; however, the colonization success rate varied significantly. Cladosporium cladosporioides had a less extensive colonization in isolation (control) than in dual interactions (coexistence) with other species. Phoma eupyrena exhibited the highest colonization success rate and competitive dominance among all tested species. X-ray diffraction (XRD) and scanning electron microscope (SEM) analyses revealed that Pestalotiopsis maculans and Paraconiothyrium sp. produced calcium oxalate crystals during their growth on coupon surfaces, both in isolation and in dual interactions. Our results demonstrate that interactions between abundant fungal species influence the fungal colonization on substrates, the biomineralization and the fungal community assemblage growing in limestone biofilms. PMID- 29211749 TI - Stone heat treatment in the Early Mesolithic of southwestern Germany: Interpretation and identification. AB - The Early Mesolithic of southwestern Germany, the so-called Beuronian (9600-7100 BC), is a period of important transformations in the way people lived, in their subsistence and in the stone tools they produced. One of the perhaps most spectacular re-inventions of that time is heat treatment of stones prior to their manufacture into tools. Although heat treatment has been understood as one of the defining characteristics of the Beuronian of southwestern Germany, and although its existence has been known for almost 30 years now, relatively few systematic studies on it are available. In this paper, we present such a study, aiming to shed light on two questions: (1) what technique and heating parameters were used in the Beuronian and (2) how reliable are the macroscopic proxies traditionally used to identify heat treatment in this context? We investigate these questions using a non-destructive archaeometric technique for measuring past heating temperatures of heat-treated stones and a quantitative surface roughness analysis aiming to understand the relations between surface aspect and heat treatment. These methods are applied to 46 Jurassic chert artefacts from the site Helga-Abri located in the Swabian Alb region of southwestern Germany. Our results document that an opportunistic low-investment procedure was used to heat stone, probably relying on the use of the above-ground part of regular camp-fires. We also found that the traditionally used macroscopic criteria, such as colour and surface gloss, cannot be unambiguously used to identify heat treatment in assemblages made from Jurassic chert. These findings have important implications for our understanding of the Beuronian lithic chaine operatoire in terms of the investment in time and resources necessary, and for the refinement of archaeological techniques used to identify heat treatment in the Mesolithic of the Swabian Alb. PMID- 29211750 TI - Chow fed UC Davis strain female Lepr fatty Zucker rats exhibit mild glucose intolerance, hypertriglyceridemia, and increased urine volume, all reduced by a Brown Norway strain chromosome 1 congenic donor region. AB - Our objective is to identify genes that influence the development of any phenotypes of type 2 diabetes (T2D) or kidney disease in obese animals. We use the reproductively isolated UC Davis fatty Zucker strain rat model in which the defective chromosome 4 leptin receptor (LeprfaSte/faSte) results in fatty obesity. We previously produced a congenic strain with the distal half of chromosome 1 from the Brown Norway strain (BN) on a Zucker (ZUC) background (BN.ZUC-D1Rat183-D1Rat90). Previously published studies in males showed that the BN congenic donor region protects from some phenotypes of renal dysfunction and T2D. We now expand our studies to include females and expand phenotyping to gene expression. We performed diabetes and kidney disease phenotyping in chow-fed females of the BN.ZUC-D1Rat183-D1Rat90 congenic strain to determine the specific characteristics of the UC Davis model. Fatty LeprfaSte/faSte animals of both BN and ZUC genotype in the congenic donor region had prediabetic levels of fasting blood glucose and blood glucose 2 hours after a glucose tolerance test. We observed significant congenic strain chromosome 1 genotype effects of the BN donor region in fatty females that resulted in decreased food intake, urine volume, glucose area under the curve during glucose tolerance test, plasma triglyceride levels, and urine glucose excretion per day. In fatty females, there were significant congenic strain BN genotype effects on non-fasted plasma urea nitrogen, triglyceride, and creatinine. Congenic region genotype effects were observed by quantitative PCR of mRNA from the kidney for six genes, all located in the chromosome 1 BN donor region, with potential effects on T2D or kidney function. The results are consistent with the hypothesis that the BN genotype chromosome 1 congenic region influences traits of both type 2 diabetes and kidney function in fatty UC Davis ZUC females and that there are many positional candidate genes. PMID- 29211752 TI - Getting the full picture: Assessing the complementarity of citizen science and agency monitoring data. AB - While the role of citizen science in engaging the public and providing large scale datasets has been demonstrated, the nature of and potential for this science to supplement environmental monitoring efforts by government agencies has not yet been fully explored. To this end, the present study investigates the complementarity of a citizen science programme to agency monitoring of water quality. The Environment Agency (EA) is the governmental public body responsible for, among other duties, managing and monitoring water quality and water resources in England. FreshWater Watch (FWW) is a global citizen science project that supports community monitoring of freshwater quality. FWW and EA data were assessed for their spatio-temporal complementarity by comparing the geographical and seasonal coverage of nitrate (N-NO3) sampling across the River Thames catchment by the respective campaigns between spring 2013 and winter 2015. The analysis reveals that FWW citizen science-collected data complements EA data by filling in both gaps in the spatial and temporal coverage as well as gaps in waterbody type and size. In addition, partial spatio-temporal overlap in sampling efforts by the two actors is discovered, but EA sampling is found to be more consistent than FWW sampling. Statistical analyses indicate that regardless of broader geographical overlap in sampling effort, FWW sampling sites are associated with a lower stream order and water bodies of smaller surface areas than EA sampling sites. FWW also samples more still-water body sites than the EA. As a possible result of such differences in sampling tendencies, nitrate concentrations, a measure of water quality, are lower for FWW sites than EA sites. These findings strongly indicate that citizen science has clear potential to complement agency monitoring efforts by generating information on freshwater ecosystems that would otherwise be under reported. PMID- 29211751 TI - Diffusion tensor imaging detects ventilation-induced brain injury in preterm lambs. AB - PURPOSE: Injurious mechanical ventilation causes white matter (WM) injury in preterm infants through inflammatory and haemodynamic pathways. The relative contribution of each of these pathways is not known. We hypothesised that in vivo magnetic resonance imaging (MRI) can detect WM brain injury resulting from mechanical ventilation 24 h after preterm delivery. Further we hypothesised that the combination of inflammatory and haemodynamic pathways, induced by umbilical cord occlusion (UCO) increases brain injury at 24 h. METHODS: Fetuses at 124+/-2 days gestation were exposed, instrumented and either ventilated for 15 min using a high tidal-volume (VT) injurious strategy with the umbilical cord intact (INJ; inflammatory pathway only), or occluded (INJ+UCO; inflammatory and haemodynamic pathway). The ventilation groups were compared to lambs that underwent surgery but were not ventilated (Sham), and lambs that did not undergo surgery (unoperated control; Cont). Fetuses were placed back in utero after the 15 min intervention and ewes recovered. Twenty-four hours later, lambs were delivered, placed on a protective ventilation strategy, and underwent MRI of the brain using structural, diffusion tensor imaging (DTI) and magnetic resonance spectroscopy (MRS) techniques. RESULTS: Absolute MRS concentrations of creatine and choline were significantly decreased in INJ+UCO compared to Cont lambs (P = 0.03, P = 0.009, respectively); no significant differences were detected between the INJ or Sham groups and the Cont group. Axial diffusivities in the internal capsule and frontal WM were lower in INJ and INJ+UCO compared to Cont lambs (P = 0.05, P = 0.04, respectively). Lambs in the INJ and INJ+UCO groups had lower mean diffusivities in the frontal WM compared to Cont group (P = 0.04). DTI colour mapping revealed lower diffusivity in specific WM regions in the Sham, INJ, and INJ+UCO groups compared to the Cont group, but the differences did not reach significance. INJ+UCO lambs more likely to exhibit lower WM diffusivity than INJ lambs. CONCLUSIONS: Twenty-four hours after injurious ventilation, DTI and MRS showed increased brain injury in the injuriously ventilated lambs compared to controls. DTI colour mapping threshold approach provides evidence that the haemodynamic and inflammatory pathways have additive effects on the progression of brain injury compared to the inflammatory pathway alone. PMID- 29211753 TI - Response of pumas (Puma concolor) to migration of their primary prey in Patagonia. AB - Large-scale ungulate migrations result in changes in prey availability for top predators and, as a consequence, can alter predator behavior. Migration may include entire populations of prey species, but often prey populations exhibit partial migration with some individuals remaining resident and others migrating. Interactions of migratory prey and predators have been documented in North America and some other parts of the world, but are poorly studied in South America. We examined the response of pumas (Puma concolor) to seasonal migration of guanacos (Lama guanicoe) in La Payunia Reserve in northern Patagonia Argentina, which is the site of the longest known ungulate migration in South America. More than 15,000 guanacos migrate seasonally in this landscape, and some guanacos also are resident year-round. We hypothesized that pumas would respond to the guanaco migration by consuming more alternative prey rather than migrating with guanacos because of the territoriality of pumas and availability of alternative prey throughout the year at this site. To determine whether pumas moved seasonally with the guanacos, we conducted camera trapping in the summer and winter range of guanacos across both seasons and estimated density of pumas with spatial mark-resight (SMR) models. Also, we analyzed puma scats to assess changes in prey consumption in response to guanaco migration. Density estimates of pumas did not change significantly in the winter and summer range of guanacos when guanacos migrated to and from these areas, indicating that pumas do not follow the migration of guanacos. Pumas also did not consume more alternative native prey or livestock when guanaco availability was lower, but rather fed primarily on guanacos and some alternative prey during all seasons. Alternative prey were most common in the diet during summer when guanacos also were abundant on the summer range. The response of pumas to the migration of guanacos differs from sites in the western North America where entire prey populations migrate and pumas migrate with their prey or switch to more abundant prey when their primary prey migrates. PMID- 29211754 TI - Testing the mindfulness-to-meaning theory: Evidence for mindful positive emotion regulation from a reanalysis of longitudinal data. AB - BACKGROUND AND OBJECTIVE: The Mindfulness to Meaning Theory (MMT) provides a detailed process model of mindful positive emotion regulation. DESIGN: We conducted a post-hoc reanalysis of longitudinal data (N = 107) derived from a RCT of mindfulness-based stress reduction (MBSR) versus cognitive-behavioral therapy (CBT) for social anxiety disorder to model the core constructs of the MMT (attentional control, decentering, broadened awareness, reappraisal, and positive affect) in a multivariate path analysis. RESULTS: Findings indicated that increases in attentional control from baseline to post-training predicted increases in decentering by 3 months post-treatment (p<.01) that in turn predicted increases in broadened awareness of interoceptive and exteroceptive data by 6 months post-treatment (p<.001). In turn, broadened awareness predicted increases in the use of reappraisal by 9 months post-treatment (p<.01), which culminated in greater positive affect at 12 months post-treatment (p<.001). MBSR led to significantly greater increases in decentering (p<.05) and broadened awareness than CBT (p<.05). Significant indirect effects indicated that increases in decentering mediated the effect of mindfulness training on broadening awareness, which in turn mediated enhanced reappraisal efficacy. CONCLUSION: Results suggest that the mechanisms of change identified by the MMT form an iterative chain that promotes long-term increases in positive affectivity. Though these mechanisms may reflect common therapeutic factors that cut across mindfulness-based and cognitive-behavioral interventions, MBSR specifically boosts the MMT cycle by producing significantly greater increases in decentering and broadened awareness than CBT, providing support for the foundational assumption in the MMT that mindfulness training may be a key means of stimulating downstream positive psychological processes. PMID- 29211755 TI - Comparison between the diagnostic validities of Xpert MTB/RIF and interferon gamma release assays for tuberculous pericarditis using pericardial tissue. AB - BACKGROUND: This study aimed to assess the diagnostic performance of Xpert MTB/RIF for tuberculous pericarditis (TBP) using pericardial tissues. METHODS: The study involved 30 patients admitted with suspected TBP from January-December 2016; three patients were later excluded. The interferon-gamma release assay (T SPOT.TB) and the Xpert MTB/RIF test were performed using peripheral blood and pericardial tissues, respectively. TBP was confirmed using pericardial histopathology and a composite reference standard (CRS). We analyzed the sensitivity, specificity, predictive value (PV), likelihood ratio (LR), and area under curve (AUC) of both assays. RESULTS: Fourteen patients were confirmed as TBP, 10 as non-TBP, and 3 as probable TBP. The sensitivity, specificity, positive PV (PPV), negative PV (NPV), PLR, NLR, and AUC (95% confidence interval [CI]) of the Xpert MTB/RIF assay were 78.6% (49.2-95.3%) and 70.6% (44.0-89.7%); 92.3% (64.0-99.8%) and 100% (69.2-100%); 91.7% (61.5-99.8%) and 100% (73.5-100%); 80.0% (51.9-95.7%) and 66.7% (38.4-88.2%); 10.21 (1.52-68.49) and the PLR value was undefined with CRS as the reference; 0.23 (0.08-0.64) and 0.29(0.14-0.61); and 0.854 (0.666-0.959) and 0.853 (0.664-0.959), against histopathology and CRS, respectively. The sensitivity, specificity, PPV, NPV, PLR, NLR, and AUC values (95% CI) of T-SPOT.TB were 92.9% (66.1-99.8%) and 94.1% (71.3-99.9%); 15.4% (1.9 45.5%) and 20.0% (2.5-55.6%); 54.2% (32.8-74.5%) and 66.7% (44.7-84.4%); 66.7% (9.4-99.2%) and 66.7% (9.4-99.2%); 1.10 (0.83-1.44) and 1.18 (0.84-1.6); 0.46 (0.05-4.53) and 0.29 (0.03-2.85); and 0.541(0.340-0.733) and 0.571(0.367-0.758), against histopathology and CRS, respectively. The differences in sensitivity, PPV, and AUC of Xpert MTB/RIF and T-SPOT.TB were not statistically significant (P > 0.05), compared to those of histopathology and CRS. However, the differences in specificity and NPV of the two assays were significant (P < 0.05), compared to those of histopathology and CRS. CONCLUSIONS: Xpert MTB/RIF test is a valid diagnostic technique for TBP with higher sensitivity and specificity than T SPOT.TB. PMID- 29211756 TI - Crystal structures of ternary complexes of archaeal B-family DNA polymerases. AB - Archaeal B-family polymerases drive biotechnology by accepting a wide substrate range of chemically modified nucleotides. By now no structural data for archaeal B-family DNA polymerases in a closed, ternary complex are available, which would be the basis for developing next generation nucleotides. We present the ternary crystal structures of KOD and 9 degrees N DNA polymerases complexed with DNA and the incoming dATP. The structures reveal a third metal ion in the active site, which was so far only observed for the eukaryotic B-family DNA polymerase delta and no other B-family DNA polymerase. The structures reveal a wide inner channel and numerous interactions with the template strand that provide space for modifications within the enzyme and may account for the high processivity, respectively. The crystal structures provide insights into the superiority over other DNA polymerases concerning the acceptance of modified nucleotides. PMID- 29211758 TI - Rubus: A compiler for seamless and extensible parallelism. AB - Nowadays, a typical processor may have multiple processing cores on a single chip. Furthermore, a special purpose processing unit called Graphic Processing Unit (GPU), originally designed for 2D/3D games, is now available for general purpose use in computers and mobile devices. However, the traditional programming languages which were designed to work with machines having single core CPUs, cannot utilize the parallelism available on multi-core processors efficiently. Therefore, to exploit the extraordinary processing power of multi-core processors, researchers are working on new tools and techniques to facilitate parallel programming. To this end, languages like CUDA and OpenCL have been introduced, which can be used to write code with parallelism. The main shortcoming of these languages is that programmer needs to specify all the complex details manually in order to parallelize the code across multiple cores. Therefore, the code written in these languages is difficult to understand, debug and maintain. Furthermore, to parallelize legacy code can require rewriting a significant portion of code in CUDA or OpenCL, which can consume significant time and resources. Thus, the amount of parallelism achieved is proportional to the skills of the programmer and the time spent in code optimizations. This paper proposes a new open source compiler, Rubus, to achieve seamless parallelism. The Rubus compiler relieves the programmer from manually specifying the low-level details. It analyses and transforms a sequential program into a parallel program automatically, without any user intervention. This achieves massive speedup and better utilization of the underlying hardware without a programmer's expertise in parallel programming. For five different benchmarks, on average a speedup of 34.54 times has been achieved by Rubus as compared to Java on a basic GPU having only 96 cores. Whereas, for a matrix multiplication benchmark the average execution speedup of 84 times has been achieved by Rubus on the same GPU. Moreover, Rubus achieves this performance without drastically increasing the memory footprint of a program. PMID- 29211757 TI - Distinct fecal and oral microbiota composition in human type 1 diabetes, an observational study. AB - OBJECTIVE: Environmental factors driving the development of type 1 diabetes (T1D) are still largely unknown. Both animal and human studies have shown an association between altered fecal microbiota composition, impaired production of short-chain fatty acids (SCFA) and T1D onset. However, observational evidence on SCFA and fecal and oral microbiota in adults with longstanding T1D vs healthy controls (HC) is lacking. RESEARCH DESIGN AND METHODS: We included 53 T1D patients without complications or medication and 50 HC matched for age, sex and BMI. Oral and fecal microbiota, fecal and plasma SCFA levels, markers of intestinal inflammation (fecal IgA and calprotectin) and markers of low-grade systemic inflammation were measured. RESULTS: Oral microbiota were markedly different in T1D (eg abundance of Streptococci) compared to HC. Fecal analysis showed decreased butyrate producing species in T1D and less butyryl-CoA transferase genes. Also, plasma levels of acetate and propionate were lower in T1D, with similar fecal SCFA. Finally, fecal strains Christensenella and Subdoligranulum correlated with glycemic control, inflammatory parameters and SCFA. CONCLUSIONS: We conclude that T1D patients harbor a different amount of intestinal SCFA (butyrate) producers and different plasma acetate and propionate levels. Future research should disentangle cause and effect and whether supplementation of SCFA-producing bacteria or SCFA alone can have disease modifying effects in T1D. PMID- 29211759 TI - Comparison of construct validity of two short forms of Stroke-Specific Quality of Life scale. AB - BACKGROUND: No studies have compared the 2-factor structures of Wong's and Post's versions of the short-form Stroke-Specific Quality of Life (i.e., 12-item SSQOL) scale. This study compared the construct validity of 2 short-forms of the 12-item SSQOL (not the 12-domain-SSQOL). METHODS: Data were obtained from a previous validation study of the original 49-item SSQOL in 263 patients. Construct validity was tested by confirmatory factor analysis (CFA) to examine whether the two-factor structure, including psychosocial and physical domains, was supported in both versions. The CFA tested the data-model fit by indices: chi-square chi2/df ratio, root mean square error of approximation (RMSEA), comparative fit index (CFI), nonnormative fit index (NNFI), standard root mean square residual (SRMR), and parsimony normed fit index (PNFI). Item factor loadings (cutoffs: .50) were examined. Model fit was compared using Akaike information criterion (AIC) and consistent AIC (i.e., CAIC) values. RESULTS: All model fit indices for Post's version fell within expected ranges: chi2/df ratio = 2.02, RMSEA = 0.05, CFI = 0.97, NNFI = 0.97, SRMR = 0.06, and PNFI = 0.76. In the psychosocial domain, the item factor loadings ranged from 0.46 to 0.63. In the physical domain, all items (except the language and vision items) had acceptable factor loadings (0.68 to 0.88). However, in Wong's version, none of the model indices met the criteria for good fit. In model fit comparisons, Post's version had smaller AIC and CAIC values than did Wong's version. CONCLUSIONS: All fit indices supported Post's version, but not Wong's version. The construct validity of Post's version with a 2-factor structure was confirmed, and this version of the 12-item SSQOL is recommended. PMID- 29211760 TI - The serine protease homolog spheroide is involved in sensing of pathogenic Gram positive bacteria. AB - In Drosophila, recognition of pathogens such as Gram-positive bacteria and fungi triggers the activation of proteolytic cascades and the subsequent activation of the Toll pathway. This response can be achieved by either detection of pathogen associated molecular patterns or by sensing microbial proteolytic activities ("danger signals"). Previous data suggested that certain serine protease homologs (serine protease folds that lack an active catalytic triad) could be involved in the pathway. We generated a null mutant of the serine protease homolog spheroide (sphe). These mutant flies are susceptible to Enterococcus faecalis infection and unable to fully activate the Toll pathway. Sphe is required to activate the Toll pathway after challenge with pathogenic Gram-Positive bacteria. Sphe functions in the danger signal pathway, downstream or at the level of Persephone. PMID- 29211761 TI - Prophetic Granger Causality to infer gene regulatory networks. AB - We introduce a novel method called Prophetic Granger Causality (PGC) for inferring gene regulatory networks (GRNs) from protein-level time series data. The method uses an L1-penalized regression adaptation of Granger Causality to model protein levels as a function of time, stimuli, and other perturbations. When combined with a data-independent network prior, the framework outperformed all other methods submitted to the HPN-DREAM 8 breast cancer network inference challenge. Our investigations reveal that PGC provides complementary information to other approaches, raising the performance of ensemble learners, while on its own achieves moderate performance. Thus, PGC serves as a valuable new tool in the bioinformatics toolkit for analyzing temporal datasets. We investigate the general and cell-specific interactions predicted by our method and find several novel interactions, demonstrating the utility of the approach in charting new tumor wiring. PMID- 29211762 TI - RiboFACSeq: A new method for investigating metabolic and transport pathways in bacterial cells by combining a riboswitch-based sensor, fluorescence-activated cell sorting and next-generation sequencing. AB - The elucidation of the cellular processes involved in vitamin and cofactor biosynthesis is a challenging task. The conventional approaches to these investigations rely on the discovery and purification of the products (i.e proteins and metabolites) of a particular transport or biosynthetic pathway, prior to their subsequent analysis. However, the purification of low-abundance proteins or metabolites is a formidable undertaking that presents considerable technical challenges. As a solution, we present an alternative approach to such studies that circumvents the purification step. The proposed approach takes advantage of: (1) the molecular detection capabilities of a riboswitch-based sensor to detect the cellular levels of its cognate molecule, as a means to probe the integrity of the transport and biosynthetic pathways of the target molecule in cells, (2) the high-throughput screening ability of fluorescence-activated cell sorters to isolate cells in which only these specific pathways are disrupted, and (3) the ability of next-generation sequencing to quickly identify the genes of the FACS-sorted populations. This approach was named "RiboFACSeq". Following their identification by RiboFACSeq, the role of these genes in the presumed pathway needs to be verified through appropriate functional assays. To demonstrate the utility of our approach, an adenosylcobalamin (AdoCbl)-responsive riboswitch-based sensor was used in this study to demonstrate that RiboFACSeq can be used to track and sort cells carrying genetic mutations in known AdoCbl transport and biosynthesis genes with desirable sensitivity and specificity. This method could potentially be used to elucidate any pathway of interest, as long as a suitable riboswitch-based sensor can be created. We believe that RiboFACSeq would be especially useful for the elucidation of biological pathways in which the proteins and/or their metabolites are present at very low physiological concentrations in cells, as is the case with vitamin and cofactor biosynthesis. PMID- 29211763 TI - Hyperspectral imaging for simultaneous measurements of two FRET biosensors in pancreatic beta-cells. AB - Fluorescent protein (FP) biosensors based on Forster resonance energy transfer (FRET) are commonly used to study molecular processes in living cells. There are FP-FRET biosensors for many cellular molecules, but it remains difficult to perform simultaneous measurements of multiple biosensors. The overlapping emission spectra of the commonly used FPs, including CFP/YFP and GFP/RFP make dual FRET measurements challenging. In addition, a snapshot imaging modality is required for simultaneous imaging. The Image Mapping Spectrometer (IMS) is a snapshot hyperspectral imaging system that collects high resolution spectral data and can be used to overcome these challenges. We have previously demonstrated the IMS's capabilities for simultaneously imaging GFP and CFP/YFP-based biosensors in pancreatic beta-cells. Here, we demonstrate a further capability of the IMS to image simultaneously two FRET biosensors with a single excitation band, one for cAMP and the other for Caspase-3. We use these measurements to measure simultaneously cAMP signaling and Caspase-3 activation in pancreatic beta-cells during oxidative stress and hyperglycemia, which are essential components in the pathology of diabetes. PMID- 29211764 TI - Identification, expression and functional characterization of M4L, a muscarinic acetylcholine M4 receptor splice variant. AB - Rodent genomic alignment sequences support a 2-exon model for muscarinic M4 receptor. Using this model a novel N-terminal extension was discovered in the human muscarinic acetylcholine M4 receptor. An open reading frame was discovered in the human, mouse and rat with a common ATG (methionine start codon) that extended the N-terminus of the muscarinic acetylcholine M4 receptor subtype by 155 amino acids resulting in a longer variant. Transcriptional evidence for this splice variant was confirmed by RNA-Seq and RT-PCR experiments performed from human donor brain prefrontal cortices. We detected a human upstream exon indicating the translation of the mature longer M4 receptor transcript. The predicted size for the longer two-exon M4 receptor splice variant with the additional 155 amino acid N-terminal extension, designated M4L is 69.7 kDa compared to the 53 kDa canonical single exon M4 receptor (M4S). Western blot analysis from a mammalian overexpression system, and saturation radioligand binding with [3H]-NMS (N-methyl-scopolamine) demonstrated the expression of this new splice variant. Comparative pharmacological characterization between the M4L and M4S receptors revealed that both the orthosteric and allosteric binding sites for both receptors were very similar despite the addition of an N-terminal extension. PMID- 29211765 TI - Impact of multisectoral health determinants on child mortality 1980-2010: An analysis by country baseline mortality. AB - INTRODUCTION: Some health determinants require relatively stronger health system capacity and socioeconomic development than others to impact child mortality. Few quantitative analyses have analyzed how the impact of health determinants varies by mortality level. METHODS: 149 low- and middle-income countries were stratified into high, moderate, low, and very low baseline levels of child mortality in 1990. Data for 52 health determinants were collected for these countries for 1980 2010. To quantify how changes in health determinants were associated with mortality decline, univariable and multivariable regression models were constructed. An advanced statistical technique that is new for child mortality analyses-MM-estimation with first differences and country clustering-controlled for outliers, fixed effects, and variation across decades. FINDINGS: Some health determinants (immunizations, education) were consistently associated with child mortality reduction across all mortality levels. Others (staff availability, skilled birth attendance, fertility, water and sanitation) were associated with child mortality reduction mainly in low or very low mortality settings. The findings indicate that the impact of some health determinants on child mortality was only apparent with stronger health systems, public infrastructure and levels of socioeconomic development, whereas the impact of other determinants was apparent at all stages of development. Multisectoral progress was essential to mortality reduction at all baseline mortality levels. CONCLUSION: Policy-makers can use such analyses to direct investments in health and non-health sectors and to set five-year child mortality targets appropriate for their baseline mortality levels and local context. PMID- 29211766 TI - Comparative analysis of the response and gene regulation in cold resistant and susceptible tea plants. AB - Cold environment is the main constraint for tea plants (Camellia sinensis) distribution and tea farming. We identified two tea cultivars, called var. sinensis cv. Shuchazao (SCZ) with a high cold-tolerance and var. assamica cv. Yinghong9 (YH9) with low cold-tolerance. To better understand the response mechanism of tea plants under cold stress for improving breeding, we compared physiological and biochemical responses, and associated genes expression in response to 7-day and 14-day cold acclimation, followed by 7-day de-acclimation in these two tea cultivars. We found that the low EL50, low Fv/Fm, and high sucrose and raffinose accumulation are responsible for higher cold tolerance in SCZ comparing with YH9. We then measured the expression of 14 key homologous genes, known as involved in these responses in other plants, for each stages of treatment in both cultivars using RT-qPCR. Our results suggested that the increased expression of CsCBF1 and CsDHNs coupling with the accumulation of sucrose play key roles in conferring higher cold resistance in SCZ. Our findings have revealed key genes regulation responsible for cold resistance, which help to understand the cold-resistant mechanisms and guide breeding in tea plants. PMID- 29211767 TI - Investigating endogenous u-opioid receptors in human keratinocytes as pharmacological targets using novel fluorescent ligand. AB - Opioids in skin function during stress response, regeneration, ageing and, particularly in regulating sensation. In chronic pruritus, topical treatment with Naltrexone changes MU-opioid receptor (MU-OR) localization to relieve itch. The molecular mechanisms behind the effects of Naltrexone on MU-OR function in reduction of itching behavior has not been studied. There is an immediate need to understand the endogenous complexity of MU-OR dynamics in normal and pathological skin conditions. Here we evaluate real-time behavior of MU-OR-Endomorphine complexes in the presence of agonist and antagonists. The MU-OR ligand Endomorphine-1 (EM) was conjugated to the fluorescent dye Tetramethylrhodamine (TAMRA) to investigate the effects of agonist and antagonists in N/TERT-1 keratinocytes. The cellular localization of the EM-TAMRA was followed through time resolved confocal microscopy and population analysis was performed by flow cytometry. The in vitro analyses demonstrate fast internalization and trafficking of the endogenous EM-TAMRA-MU-OR interactions in a qualitative manner. Competition with Endomorphine-1, Naltrexone and CTOP show both canonical and non canonical effects in basal and differentiated keratinocytes. Acute and chronic treatment with Naltrexone and Endomorphine-1 increases EM-TAMRA binding to skin cells. Although Naltrexone is clinically effective in relieving itch, the mechanisms behind re-distribution of MU-ORs during clinical treatments are not known. Our study has given insight into cellular mechanisms of MU-OR ligand receptor interactions after opioid agonist and antagonist treatments in vitro. These findings potentially offer opportunities in using novel treatment strategies for skin and peripheral sensory disorders. PMID- 29211768 TI - High levels of tumor-associated neutrophils are associated with improved overall survival in patients with stage II colorectal cancer. AB - Conflicting reports regarding whether high tumor-associated neutrophils (TAN) are associated with outcomes in colorectal cancer (CRC) exist. Previous investigators have counted TAN using non-neutrophil-specific immunohistochemistry (IHC) stains. We examined whether TAN levels as determined by multi-field manual counting would predict prognosis. IRB approval was obtained and two pathologists, blinded to stage/outcome, counted TAN in 20 high power fields (HPF) per specimen. TAN score was defined as the mean of these counts. High TAN was defined as at or greater than the median score for that stage. Demographics, tumor characteristics, and overall survival (OS) were obtained from the records and examined for association with TAN score. IHC for arginase expression was performed in a subset of samples. 221 patients were included. Stage II patients with high TAN scores had an OS of 232 months as compared to those with low TAN (OS = 85 months, p = 0.03). The survival benefit persisted in multivariable analysis (HR 0.48, CI 0.25-0.91, p = 0.026) controlling for age and sex. Women had increased survival as compared to men, and there were no significant prognostic associations with TAN count in stage III/IV patients, although there were only 12 stage IV patients. Arginase staining did not provide additional information. Stage II colorectal cancer patients with high TAN live nearly 3 times longer than those with low TAN. Women with stage II disease and high TAN counts appear to be driving the survival benefit seen in the stage II patients and have increased overall survival in all stages. PMID- 29211769 TI - Arsenic exposure and intestinal microbiota in children from Sirajdikhan, Bangladesh. AB - BACKGROUND: Arsenic has antimicrobial properties at high doses yet few studies have examined its effect on gut microbiota. This warrants investigation since arsenic exposure increases the risk of many diseases in which gut microbiota have been shown to play a role. We examined the association between arsenic exposure from drinking water and the composition of intestinal microbiota in children exposed to low and high arsenic levels during prenatal development and early life. RESULTS: 16S rRNA gene sequencing revealed that children with high arsenic exposure had a higher abundance of Proteobacteria in their stool compared to matched controls with low arsenic exposure. Furthermore, whole metagenome shotgun sequencing identified 332 bacterial SEED functions that were enriched in the high exposure group. A separate model showed that these genes, which included genes involved in virulence and multidrug resistance, were positively correlated with arsenic concentration within the group of children in the high arsenic group. We performed reference free genome assembly, and identified strains of E.coli as contributors to the arsenic enriched SEED functions. Further genome annotation of the E.coli genome revealed two strains containing two different arsenic resistance operons that are not present in the gut microbiome of a recently described European human cohort (Metagenomics of the Human Intestinal Tract, MetaHIT). We then performed quantification by qPCR of two arsenic resistant genes (ArsB, ArsC). We observed that the expression of these two operons was higher among the children with high arsenic exposure compared to matched controls. CONCLUSIONS: This preliminary study indicates that arsenic exposure early in life was associated with altered gut microbiota in Bangladeshi children. The enrichment of E.coli arsenic resistance genes in the high exposure group provides an insight into the possible mechanisms of how this toxic compound could affect gut microbiota. PMID- 29211770 TI - Socioeconomic differences in children's television viewing trajectory: A population-based prospective cohort study. AB - We aimed to evaluate the association between family socioeconomic status and repeatedly measured child television viewing time from early childhood to the school period. We analyzed data on 3,561 Dutch children from the Generation R Study, a population-based study in the Netherlands. Parent-reported television viewing time for children aged 2, 3, 4, 6 and 9 years were collected by questionnaires sent from April 2004 until January 2015. Odds ratios of watching television >=1 hour/day at each age were calculated for children of mothers with low, mid-low, mid-high and high (reference group) education and children from low, middle and high (reference group) income households. A generalized logistic mixed model was used to assess the association between family socioeconomic status and child television viewing time trajectory. The percentage of children watching television >=1 hour/day increased from age 2 to 9 years for all children (24.2%-85.0% for children of low-educated mothers; 4.7%-61.4% for children of high-educated mothers; 17.2%-74.9% for children from low income households; 6.2% 65.1% for children from high income households). Independent socioeconomic effect in child television viewing time was found for maternal educational level. The interaction between net household income and child age in longitudinal analyses was significant (p = 0.01), indicating that the television viewing time trajectories were different in household income subgroups. However the interaction between maternal educational level and child age was not significant (p = 0.19). Inverse socioeconomic gradients in child television viewing time were found from the preschool period to the late school period. The educational differences between the various educational subgroups remained stable with increasing age, but the differences between household income groups changed over time. Intervention developers and healthcare practitioners need to raise awareness among non-highly educated parents that the socioeconomic gradient in television viewing time has a tracking effect starting from preschool age. PMID- 29211772 TI - Occupational endotoxin exposure in association with atopic sensitization and respiratory health in adults: Results of a 5-year follow-up. AB - The objective of the present longitudinal study was to investigate the effects of occupational endotoxin exposure on respiratory health and atopic sensitization in adults. Health outcomes and personal endotoxin exposure estimates were determined for 234 farmers and agricultural workers both at baseline and 5 years later. A questionnaire was used to assess respiratory symptoms, spirometry tests were performed and total and specific IgE levels were measured in serum. A twofold increase in personal endotoxin exposure was associated with less hay fever (OR 0.68, 95%CI 0.54-0.87) and grass IgE positivity (OR 0.81, 95%CI 0.68-0.97) at both time points ("persistent" versus "never"). Although not statistically significant, a consistent protective pattern was observed for an increased loss of hay fever symptoms (OR 2.19, 95%CI 0.96-4.99) and grass IgE positivity (OR 1.24, 95%CI 0.76-2.02), and for less new-onset of hay fever (OR 0.87, 95%CI 0.65 1.17), grass IgE positivity (OR 0.83, 95%CI 0.61-1.12) and atopic sensitization (OR 0.75, 95%CI 0.55-1.02). Endotoxin exposure was not associated with changes in lung function. We showed that occupational endotoxin exposure is associated with a long-term protective effect on hay fever and grass IgE positivity. Results on longitudinal changes in hay fever, atopy and grass IgE positivity in adulthood were consistent with a protective effect of endotoxin exposure, but results need to be confirmed in larger cohorts. An effect of endotoxin exposure on lung function decline was not found. PMID- 29211773 TI - Design of a novel instrument for active neutron interrogation of artillery shells. AB - The most common explosives can be uniquely identified by measuring the elemental H/N ratio with a precision better than 10%. Monte Carlo simulations were used to design two variants of a new prompt gamma neutron activation instrument that can achieve this precision. The instrument features an intense pulsed neutron generator with precise timing. Measuring the hydrogen peak from the target explosive is especially challenging because the instrument itself contains hydrogen, which is needed for neutron moderation and shielding. By iterative design optimization, the fraction of the hydrogen peak counts coming from the explosive under interrogation increased from [Formula: see text]% to [Formula: see text]% (statistical only) for the benchmark design. In the optimized design variants, the hydrogen signal from a high-explosive shell can be measured to a statistics-only precision better than 1% in less than 30 minutes for an average neutron production yield of 109 n/s. PMID- 29211771 TI - Short-term succinic acid treatment mitigates cerebellar mitochondrial OXPHOS dysfunction, neurodegeneration and ataxia in a Purkinje-specific spinocerebellar ataxia type 1 (SCA1) mouse model. AB - Mitochondrial dysfunction plays a significant role in neurodegenerative disease including ataxias and other movement disorders, particularly those marked by progressive degeneration in the cerebellum. In this study, we investigate the role of mitochondrial oxidative phosphorylation (OXPHOS) deficits in cerebellar tissue of a Purkinje cell-driven spinocerebellar ataxia type 1 (SCA1) mouse. Using RNA sequencing transcriptomics, OXPHOS complex assembly analysis and oxygen consumption assays, we report that in the presence of mutant polyglutamine expanded ataxin-1, SCA1 mice display deficits in cerebellar OXPHOS complex I (NADH-coenzyme Q oxidoreductase). Complex I genes are upregulated at the time of symptom onset and upregulation persists into late stage disease; yet, functional assembly of complex I macromolecules are diminished and oxygen respiration through complex I is reduced. Acute treatment of postsymptomatic SCA1 mice with succinic acid, a complex II (succinate dehydrogenase) electron donor to bypass complex I dysfunction, ameliorated cerebellar OXPHOS dysfunction, reduced cerebellar pathology and improved motor behavior. Thus, exploration of mitochondrial dysfunction and its role in neurodegenerative ataxias, and warrants further investigation. PMID- 29211776 TI - Correction: Genetic characterization of blaNDM-harboring plasmids in carbapenem resistant Escherichia coli from Myanmar. AB - [This corrects the article DOI: 10.1371/journal.pone.0184720.]. PMID- 29211775 TI - Potential to curb the environmental burdens of American beef consumption using a novel plant-based beef substitute. AB - The food demands of the United States (US) impart significant environmental pressures. The high rate of consumption of beef has been shown to be the largest driver of food-borne greenhouse gas emissions, water use and land occupation in the US diet. The environmental benefits of substituting animal products with vegetal foods are well documented, but significant psychological barriers persist in reducing meat consumption. Here we use life cycle assessment to appraise the environmental performance of a novel vegetal protein source in the mean US diet where it replaces ground beef, and in vegetarian and vegan diets where it substitutes for legumes, tofu and other protein sources. We find that relative to the mean US diet, vegetarian and vegan diets significantly reduce per-capita food borne greenhouse gas emission (32% and 67%, respectively), blue water use (70% and 75%, respectively) and land occupation (70% and 79%, respectively), primarily in the form of rangeland. The substitution of 10%, 25% and 50% of ground beef with plant-based burger (PBB) at the national scale results in substantial reductions in annual US dietary greenhouse gas emissions (4.55-45.42 Mt CO2 equivalents), water consumption (1.30-12.00 km3) and land occupation (22300 190100 km2). Despite PBB's elevated environmental pressures compared to other vegetal protein sources, we demonstrate that minimal risk exists for the disservices of PBB substitution in non-meat diets to outweigh the benefits of ground-beef substitution in the omnivorous American diet. Demand for plant-based oils in PBB production has the potential to increase land use pressures in biodiversity hotspots, though these could be obviated through responsible land stewardship. Although the apparent environmental benefits of the PBB are contingent on actual uptake of the product, this study demonstrates the potential for non-traditional protein substitutes to play a role in a transition towards more sustainable consumption regimes in the US and potentially abroad. PMID- 29211777 TI - Alpha conotoxin-BuIA globular isomer is a competitive antagonist for oleoyl-L alpha-lysophosphatidic acid binding to LPAR6; A molecular dynamics study. AB - Lysophosphatidic acid receptor 6 (LPAR6) is a G-protein coupled receptor (GPCR) involved in hair development and cytoskeleton formation in mammals. Its proliferation is implicated in several forms of cancer including liver cancer, squamous cell carcinoma and metastatic prostate cancer. Current study emphasizes the isolation of competitive non-lipid and stable peptide antagonists for Lysophosphatidic acid ligand. A total of 148 conotoxin structures were characterized for their binding abilities against LPAR6. Subsequently, top 10 conotoxins were selected on the basis of binding energy values, residual contributions and conformational cluster saturations. BuIA (a member of Alpha- conotoxins family), contryphan-R and contryphan-Lo (Synthetic class) conotoxins, exhibiting efficient binding parameters were subjected to molecular dynamics simulation assays and topology analysis. We propose that BuIA might be a potent antagonist due to its predominant binding at the extracellular region of LPAR6. Current study provides a backbone for understanding structural and functional insights of LPAR6 and findings of this study may be helpful in designing novel therapeutic targets for the treatment of cancers caused by elevated LPAR6 expression. PMID- 29211774 TI - Food restriction reduces neurogenesis in the avian hippocampal formation. AB - The mammalian hippocampus is particularly vulnerable to chronic stress. Adult neurogenesis in the dentate gyrus is suppressed by chronic stress and by administration of glucocorticoid hormones. Post-natal and adult neurogenesis are present in the avian hippocampal formation as well, but much less is known about its sensitivity to chronic stressors. In this study, we investigate this question in a commercial bird model: the broiler breeder chicken. Commercial broiler breeders are food restricted during development to manipulate their growth curve and to avoid negative health outcomes, including obesity and poor reproductive performance. Beyond knowing that these chickens are healthier than fully-fed birds and that they have a high motivation to eat, little is known about how food restriction impacts the animals' physiology. Chickens were kept on a commercial food-restricted diet during the first 12 weeks of life, or released from this restriction by feeding them ad libitum from weeks 7-12 of life. To test the hypothesis that chronic food restriction decreases the production of new neurons (neurogenesis) in the hippocampal formation, the cell proliferation marker bromodeoxyuridine was injected one week prior to tissue collection. Corticosterone levels in blood plasma were elevated during food restriction, even though molecular markers of hypothalamic-pituitary-adrenal axis activation did not differ between the treatments. The density of new hippocampal neurons was significantly reduced in the food-restricted condition, as compared to chickens fed ad libitum, similar to findings in rats at a similar developmental stage. Food restriction did not affect hippocampal volume or the total number of neurons. These findings indicate that in birds, like in mammals, reduction in hippocampal neurogenesis is associated with chronically elevated corticosterone levels, and therefore potentially with chronic stress in general. This finding is consistent with the hypothesis that the response to stressors in the avian hippocampal formation is homologous to that of the mammalian hippocampus. PMID- 29211778 TI - Clinical global assessment of nutritional status as predictor of mortality in chronic kidney disease patients. AB - BACKGROUND: The value of subjective global assessment (SGA) as nutritional assessor of protein-energy wasting (PEWSGA) in chronic kidney disease (CKD) patients depends on its mortality predictive capacity. We investigated associations of PEWSGA with markers of nutritional status and all-cause mortality in CKD patients. METHODS: In 1031 (732 CKD1-5 non-dialysis and 299 dialysis) patients, SGA and body (BMI), lean (LBMI) and fat (FBMI) body mass indices, % handgrip strength (% HGS), serum albumin, and high sensitivity C-reactive protein (hsCRP) were examined at baseline. The five-year all-cause mortality predictive strength of baseline PEWSGA and during follow-up were investigated. RESULTS: PEWSGA was present in 2% of CKD1-2, 16% of CKD3-4, 31% of CKD5 non-dialysis and 44% of dialysis patients. Patients with PEWSGA (n = 320; 31%) had higher hsCRP and lower BMI, LBMI, FBMI, %HGS and serum albumin. But, using receiver operating characteristics-derived cutoffs, these markers could not classify (by kappa statistic) or explain variations of (by multinomial logistic regression analysis) presence of PEWSGA. In generalized linear models, SGA independently predicted mortality after adjustments of multiple confounders (RR: 1.17; 95% CI: 1.11 1.23). Among 323 CKD5 patients who were re-assessed after median 12.6 months, 222 (69%) remained well-nourished, 37 (11%) developed PEWSGA de novo, 40 (12%) improved while 24 (8%) remained with PEWSGA. The latter independently predicted mortality (RR: 1.29; 95% CI: 1.13-1.46). CONCLUSIONS: SGA, a valid assessor of nutritional status, is an independent predictor of all-cause mortality both in CKD non-dialysis and dialysis patients that outperforms non-composite nutritional markers as prognosticator. PMID- 29211779 TI - Correction: Human alpha defensin 5 is a candidate biomarker to delineate inflammatory bowel disease. AB - [This corrects the article DOI: 10.1371/journal.pone.0179710.]. PMID- 29211780 TI - Prevalence and antibiotic resistance of Pseudomonas aeruginosa in water samples in central Italy and molecular characterization of oprD in imipenem resistant isolates. AB - SCOPE: This study aimed to analyse the prevalence, antibiotic resistance and genetic relatedness of P. aeruginosa isolates obtained from potable and recreational water samples (n. 8,351) collected from different settings (swimming pools, n. 207; healthcare facilities, n 1,684; accommodation facilities, n. 1,518; municipal waterworks, n. 4,500; residential buildings, n. 235). Possible mechanisms underlying resistance to imipenem, with particular focus on those involving oprD-based uptake, were also explored. METHODS AND RESULTS: Isolation and identification of Pseudomonas aeruginosa was performed according to the standardized procedure UNI EN ISO 16266:2008 followed by PCR confirmation. Antibiotic Susceptibility testing was conducted according to EUCAST standardized disk diffusion method. Genetic relatedness of strains was carried out by RAPD. The sequence of the oprD gene was analyzed by standard method. Fifty-three samples (0.63%) were positive for P. aeruginosa, of which 10/207 (4.83%) were from swimming pools. Five isolates (9.43%) were resistant to imipenem, one to Ticarcillin + Clavulanate, one to both Piperacillin and Ticarcillin + Clavulanate. The highest isolation rate of imipenem resistant P. aeruginosa was observed in swimming pool water. Identical RAPD profiles were found in isolates from the same location in the same year or even in different years. CONCLUSIONS: Imipenem resistant strains were identified as carbapenemase-negative and resistance has been associated with inactivating mutations within the oprD gene, with a concomitant loss of porin. RAPD results proved that a water system can remain colonized by one strain for long periods and the contamination may be difficult to eradicate. This study has revealed the presence of P. aeruginosa in different water samples, including resistant strains, especially in swimming pools, and confirmed the role of porins as a contributing factor in carbapenem resistance in Gram-negative bacteria. PMID- 29211781 TI - Blood pressure patterns and body mass index status in pregnancy: An assessment among women reporting for antenatal care at the Korle-Bu Teaching hospital, Ghana. AB - BACKGROUND: Maternal obesity in pregnancy has been linked with increased risk of pregnancy induced hypertension (PIH). In some tertiary referral hospitals in Ghana, PIH is the leading cause of institutional maternal mortality. OBJECTIVE: To evaluate blood pressure changes during pregnancy amongst different body mass index (BMI) groups and how this relates to the risk of developing PIH. METHODS: Women who had a dating ultrasound before 20 weeks gestation and registering for antenatal care at the Korle-Bu Teaching Hospital in Accra, between February and December 2013 and met the inclusion criteria were recruited into a cohort study. BMI was assessed at baseline. Blood pressure measurements were taken at (+/-2) 24, 28 and 36 weeks. Primary outcome measure of interest during follow-up was a diagnosis of PIH at these points. BP changes during follow up at the three points were measured. Descriptive analysis of baseline factors was carried out and compared for the BMI groups. Relative risk (RR) of PIH was estimated at 95% confidence interval. RESULTS: Mean (SD) age for the 361 women was 30.9 (4.8) years. Incidence of PIH amongst the cohort was 10.5% (95% CI: 7.45% - 14.45%) and 40.4% and 33.0% of them were overweight and obese respectively at baseline. Pregnant women who were obese at baseline had a three-fold increased risk of PIH compared to those with normal BMI [RR = 3.01 (1.06-8.52), p = 0.04]. CONCLUSION: Obese women have a significantly increased risk of PIH. Women should be screened at booking for obesity status. Antenatal protocols should have interventions for prevention or early detection of obesity and management of obesity to improve outcomes. PMID- 29211782 TI - Generative mathematical modelling to demonstrate virtual simulations of neovascular age related macular degeneration. AB - PURPOSE: To develop a generative mathematical model of wet age-related macular degeneration (AMD) and model the impact of injections of anti-vascular endothelial growth factor to virtual patients with the condition. METHODS: We isolated key pathophysiological components of macular degeneration in terms of macular edema development and response to anti-vascular endothelial growth factor (VEGF) agents. We developed mathematical models for each of these components using constants determined from published biological experimentation. Consequently, we combined the mathematical models of the separate components to arrive at an end-to-end model of the evolution of macular edema size and its response to treatment. RESULTS: We present a series of simulations based upon our idealised model. Initially, we demonstrate the theoretical change in macular edema height in wet macular degeneration over time without and with anti-VEGF interventions. In our final simulation, we demonstrate the powerful possibilities of virtual clinical trials by simulating a virtual model of a landmark study using our existing mathematical AMD model. CONCLUSIONS: Using our mathematical modelling based upon known pathological and pharmacological processes we have been able to model the effect of intravitreal injection of an anti-VEGF agent on macular edema from age related macular degeneration. We were subsequently able to mathematically simulate a major clinical trial with results that mirror many key features of the clinical established study. We anticipate that the generative model presented here can evolve to be a useful supportive tool in the challenge to deliver optimal therapy for patients with wet macular degeneration. PMID- 29211783 TI - Correction: Development of a real-time PCR for detection of Staphylococcus pseudintermedius using a novel automated comparison of whole-genome sequences. AB - [This corrects the article DOI: 10.1371/journal.pone.0183925.]. PMID- 29211784 TI - Urinary metabolomic analysis to identify preterm neonates exposed to histological chorioamnionitis: A pilot study. AB - OBJECTIVE: Chorioamnionitis is a leading cause of preterm birth worldwide, with higher incidence at lower gestational ages. An early and reliable diagnosis of histological chorioamnionitis (HCA) in preterm infants may be helpful in guiding postnatal management, especially the administration of prophylactic antibiotics to prevent early-onset sepsis. The main aim of this study was to investigate metabolomic analysis of urines collected in the first 24 hours of life as diagnostic tool of HCA. METHODS: Gestational age-, birth weight-, delivery mode- and sex- matched (1:2) preterm neonates (< 35 weeks' gestation) born to mothers with or without HCA were enrolled from an observational study. Gas chromatography mass spectrometry (GC-MS)-based metabolomic analysis was performed on urine samples non-invasively collected in the first 24 hours of life. Univariate analysis, partial least square discriminant analysis (PLS-DA) and its associated variable importance in projection (VIP) score were performed. The most affected metabolic pathways were examined by Metabolite Sets Enrichment Analysis (MSEA). RESULTS: Fifteen cases (mean GA 30.2 +/- 3.8 weeks, mean BW 1415 +/- 471.9 grams) and 30 controls (mean GA 30.2 +/- 2.9 weeks, mean BW 1426 +/- 569.8 grams) were enrolled. Following univariate analysis, 29 metabolites had a significantly different concentration between cases and controls. The supervised PLS-DA model confirmed a separation between the two groups. Only gluconic acid, an oxidation product of glucose, was higher in cases than in controls. All other VIP metabolites were more abundant in the control group. Glutamate metabolism, mitochondrial electron transport chain, citric acid cycle, galactose metabolism, and fructose and mannose degradation metabolism were the most significantly altered pathways (P < 0.01). CONCLUSIONS: For the first time, urinary metabolomics was able to discriminate neonates born to mothers with and without HCA. The identification of specifically altered metabolic pathways may be helpful in understanding metabolic derangement following chorioamnionitis. PMID- 29211786 TI - Pediatric siMS score: A new, simple and accurate continuous metabolic syndrome score for everyday use in pediatrics. AB - BACKGROUND: The dichotomous nature of the current definition of metabolic syndrome (MS) in youth results in loss of information. On the other hand, the calculation of continuous MS scores using standardized residuals in linear regression (Z scores) or factor scores of principal component analysis (PCA) is highly impractical for clinical use. Recently, a novel, easily calculated continuous MS score called siMS score was developed based on the IDF MS criteria for the adult population. OBJECTIVE: To develop a Pediatric siMS score (PsiMS), a modified continuous MS score for use in the obese youth, based on the original siMS score, while keeping the score as simple as possible and retaining high correlation with more complex scores. SUBJECTS AND METHODS: The database consisted of clinical data on 153 obese (BMI >=95th percentile) children and adolescents. Continuous MS scores were calculated using Z scores and PCA, as well as the original siMS score. Four variants of PsiMS score were developed in accordance with IDF criteria for MS in youth and correlation of these scores with PCA and Z score derived MS continuous scores was assessed. RESULTS: PsiMS score calculated using formula: (2xWaist/Height) + (Glucose(mmol/l)/5.6) + (triglycerides(mmol/l)/1.7) + (Systolic BP/130)-(HDL(mmol/l)/1.02) showed the highest correlation with most of the complex continuous scores (0.792-0.901). The original siMS score also showed high correlation with continuous MS scores. CONCLUSION: PsiMS score represents a practical and accurate score for the evaluation of MS in the obese youth. The original siMS score should be used when evaluating large cohorts consisting of both adults and children. PMID- 29211785 TI - The role of the clinical departments for understanding patient heterogeneity in one-year mortality after a diagnosis of heart failure: A multilevel analysis of individual heterogeneity for profiling provider outcomes. AB - PURPOSE: To evaluate the general contextual effect (GCE) of the hospital department on one-year mortality in Swedish and Danish patients with heart failure (HF) by applying a multilevel analysis of individual heterogeneity. METHODS: Using the Swedish patient register, we obtained data on 36,943 patients who were 45-80 years old and admitted for HF to the hospital between 2007 and 2009. From the Danish Heart Failure Database (DHFD), we obtained data on 12,001 patients with incident HF who were 18 years or older and treated at hospitals between June 2010 and June2013. For each year, we applied two-step single and multilevel logistic regression models. We evaluated the general effects of the department by quantifying the intra-class correlation coefficient (ICC) and the increment in the area under the receiver operating characteristic curve (AUC) obtained by adding the random effects of the department in a multilevel logistic regression analysis. RESULTS: One-year mortality for Danish incident HF patients was low in the three audit years (around 11.1% -13.1%) and departments performed homogeneously (ICC ~1.5% - 3.5%). The discriminatory accuracy of a model including age and gender was rather high (AUC~ 0.71-0.73) but the increment in AUC after adding the department random effects into these models was only about 0.011-0.022 units in the three years. One-year mortality in Swedish patients with first hospitalization for heart failure, was relatively higher for 2007-2009 (~21.3% - 22%) and departments performed homogeneously (ICC ~ 1.5% - 3%). The discriminatory accuracy of a model including age, gender and patient risk score was rather high (AUC~ 0.726-0.728) but the increment in AUC after adding the department random effects was only about 0.010-0.017 units in the three years. CONCLUSION: Using the DHFD standard benchmark for one-year mortality, Danish departments had a good, homogeneous performance. In reference to literature, Swedish departments had a homogeneous performance and the mortality rates for patients with first hospitalization for heart failure were similar to those reported since 2000. Considering this, if health authorities decide to further reduce mortality rates, a comprehensive quality strategy should focus on all Swedish hospitals. Yet, a complementary assessment for the period after the study period is required to confirm whether department performance is still homogeneous or not to determine the most appropriate action. PMID- 29211787 TI - The effect of somatostatin analogues on postoperative outcomes following pancreatic surgery: A meta-analysis. AB - BACKGROUND: Leakage from the pancreatic stump is a leading cause of morbidity following pancreatic surgery. It is essential to evaluate the effect of somatostatin analogues (SAs) following pancreatic surgery by analyzing all recent clinical trials. DATA SOURCES: We performed a literature search in the Medline, EMBASE, Cochrane Central Register of Controlled Trials and Web of Science databases up to May 29, 2016. Publication bias was assessed with Egger's test. Study quality was assessed using the Jadad Composite Scale. CONCLUSIONS: Twelve clinical trials involving 1703 patients from Jan 1st, 2000 to May 29th, 2016 were included in the study. With improvements in surgical management and peri operative patient care, prophylactic use of somatostatin and its analogues reduced the overall incidence of pancreatic fistulas (RR 0.72, 95% CI 0.55-0.94; p = 0.02) and decreased the post-operative hospital stay after pancreatic surgery (the weighted mean difference was -1.06, 95% CI-1/88 to -0.23; p = 0.01). Other post-operative outcomes did not change significantly with the use of somatostatin analogues. PMID- 29211788 TI - B-mode ultrasound assessment of pupillary function: Feasibility, reliability and normal values. AB - PURPOSE: To evaluate B-mode ultrasound as a novel method for the examination of pupillary function and to provide normal values for the pupillary reflex as assessed by B-mode ultrasound. METHODS: 100 subjects (49 female, 51 male, mean [range] age 51 [18-80 years]) with no history of ophthalmologic disease, no clinically detectable pupillary defects, and corrected visual acuity >= 0.8 were included in this prospective observational study. B-mode ultrasound was performed with the subjects eyes closed using an Esaote-Mylab25 system according to current guidelines for orbital insonation. A standardized light stimulus was applied. RESULTS: The mean +/- standard deviation left and right pupillary diameters (PD) at rest were 4.7 +/- 0.8 and 4.5 +/- 0.8 mm. Following an ipsilateral light stimulus (Lstim), left and right constricted PD were 2.8 +/- 0.6 and 2.7 +/- 0.6 mm. Following a contralateral Lstim, left and right constricted PD were 2.7 +/- 0.6 and 2.6 +/- 0.5 mm. Left and right pupillary constriction time (PCT) following ipsilateral Lstim were 970 +/- 261.6 and 967 +/- 220 ms. Left and right PCT following a contralateral Lstim were 993.8 +/- 192.6 and 963 +/- 189.4 ms. Patient age was inversely correlated with PD at rest and with PD after ipsilateral and contralateral Lstim (all p<0.001), but not with PCT. CONCLUSIONS: B-mode ultrasound is a simple, rapid and objective method for the quantitative assessment of pupillary function, which may prove useful in a variety of settings where eyelid retraction is impeded or an infrared pupillometry device is unavailable. PMID- 29211789 TI - Glycerol-3-phosphate acyltransferase 2 expression modulates cell roughness and membrane permeability: An atomic force microscopy study. AB - In mammalian cells, de novo glycerolipid synthesis begins with the acylation of glycerol-3-phosphate, catalyzed by glycerol-3-phosphate acyltransferases (GPAT). GPAT2 is a mitochondrial isoform primarily expressed in testis under physiological conditions, and overexpressed in several types of cancers and cancer-derived human cell lines where its expression contributes to the tumor phenotype. Using gene silencing and atomic force microscopy, we studied the correlation between GPAT2 expression and cell surface topography, roughness and membrane permeability in MDA-MB-231 cells. In addition, we analyzed the glycerolipid composition by gas-liquid chromatography. GPAT2 expression altered the arachidonic acid content in glycerolipids, and the lack of GPAT2 seems to be partially compensated by the overexpression of another arachidonic-acid metabolizing enzyme, AGPAT11. GPAT2 expressing cells exhibited a rougher topography and less membrane damage than GPAT2 silenced cells. Pore-like structures were present only in GPAT2 subexpressing cells, correlating with higher membrane damage evidenced by lactate dehydrogenase release. These GPAT2 induced changes are consistent with its proposed function as a tumor-promoting gene, and might be used as a phenotypic differentiation marker. AFM provides the basis for the identification and quantification of those changes, and demonstrates the utility of this technique in the study of cancer cell biology. PMID- 29211790 TI - Pericarpial nectary-visiting ants do not provide fruit protection against pre dispersal seed predators regardless of ant species composition and resource availability. AB - Extrafloral nectaries can occur in both vegetative and reproductive plant structures. In many Rubiaceae species in the Brazilian Cerrado, after corolla abscission, the floral nectary continues to secret nectar throughout fruit development originating post-floral pericarpial nectaries which commonly attract many ant species. The occurrence of such nectar secreting structures might be strategic for fruit protection against seed predators, as plants are expected to invest higher on more valuable and vulnerable parts. Here, we performed ant exclusion experiments to investigate whether the interaction with ants mediated by the pericarpial nectaries of Tocoyena formosa affects plant reproductive success by reducing the number of pre-dispersal seed predators. We also assessed whether ant protection was dependent on ant species composition and resource availability. Although most of the plants were visited by large and aggressive ant species, such as Ectatomma tuberculatum and species of the genus Camponotus, ants did not protect fruits against seed predators. Furthermore, the result of the interaction was neither related to ant species composition nor to the availability of resources. We suggest that these results may be related to the nature and behavior of the most important seed predators, like Hemicolpus abdominalis weevil which the exoskeleton toughness prevent it from being predated by most ant species. On the other hand, not explored factors, such as reward quality, local ant abundance, ant colony characteristics and/or the presence of alternative energetic sources could also account for variations in ant frequency, composition, and finally ant protective effects, highlighting the conditionality of facultative plant-ant mutualisms. PMID- 29211791 TI - Body size and hosts of Triatoma infestans populations affect the size of bloodmeal contents and female fecundity in rural northwestern Argentina. AB - Human sleeping quarters (domiciles) and chicken coops are key source habitats of Triatoma infestans-the principal vector of the infection that causes Chagas disease-in rural communities in northern Argentina. Here we investigated the links among individual bug bloodmeal contents (BMC, mg), female fecundity, body length (L, mm), host blood sources and habitats. We tested whether L, habitat and host blood conferred relative fitness advantages using generalized linear mixed effects models and a multimodel inference approach with model averaging. The data analyzed include 769 late-stage triatomines collected in 120 sites from six habitats in 87 houses in Figueroa, Santiago del Estero, during austral spring. L correlated positively with other body-size surrogates and was modified by habitat type, bug stage and recent feeding. Bugs from chicken coops were significantly larger than pig-corral and kitchen bugs. The best-fitting model of log BMC included habitat, a recent feeding, bug stage, log Lc (mean-centered log L) and all two-way interactions including log Lc. Human- and chicken-fed bugs had significantly larger BMC than bugs fed on other hosts whereas goat-fed bugs ranked last, in consistency with average blood-feeding rates. Fecundity was maximal in chicken-fed bugs from chicken coops, submaximal in human- and pig-fed bugs, and minimal in goat-fed bugs. This study is the first to reveal the allometric effects of body-size surrogates on BMC and female fecundity in a large set of triatomine populations occupying multiple habitats, and discloses the links between body size, microsite temperatures and various fitness components that affect the risks of transmission of Trypanosoma cruzi. PMID- 29211792 TI - The prognostic role of tumor size in early breast cancer in the era of molecular biology. AB - BACKGROUND: The prognosis of early breast cancer (EBC) depends on patient and tumor characteristics. The association between tumor size, the largest diameter in TNM staging, and prognosis is well recognized. According to TNM, tumors classified as T2, could have very different volumes; e.g. a tumor of 2.1 cm has a volume of 4500 mm3, while a tumor of 4.9 cm has a volume of 60.000 mm3 even belonging to the same class. The aim of the study is to establish if the prognostic role of tumor size, expressed as diameter and volume, has been overshadowed by other factors. METHODS: The primary objective is to evaluate the association between tumor dimensions and overall survival (OS) / disease free survival (DFS), in our institution from January 1st 2005 to September 30th 2013 in a surgical T1-T2 population. Volume was evaluated with the measurement of three half-diameters of the tumor (a, b and c), and calculated using the following formula: 4/3pi x a x b x c. RESULTS: 341 patients with T1-T2 EBC were included. 86.5% were treated with conservative surgery. 85.1% had a Luminal subtype, 9.1% were Triple negative and 7.4% were HER2 positive. Median volume was 942 mm3 (range 0.52-31.651.2). 44 patients (12.9%) relapsed and 23 patients died. With a median follow-up of 6.5 years, the univariate analysis for DFS showed an association between age, tumor size, volume, histological grading and molecular subtype. The multivariate analysis confirmed the statistically significant association only for molecular subtype (p 0.005), with a worse prognosis for Triple negative and HER2 positive subtypes compared with Luminal (HR: 2.65; 95%CI: 1.34-5.22). Likewise for OS, an association was shown by the multivariate analysis solely for molecular subtype (HER2 and Triple negative vs. Luminal. HR: 2.83; 95% CI:1.46-5.49; p 0.002). CONCLUSIONS: In our study, the only parameter that strongly influences survival is molecular subtype. These findings encourage clinicians to choose adjuvant treatment not based on dimensional criteria but on biological features. PMID- 29211793 TI - Assessing infection control practices to protect health care workers and patients in Malawi from nosocomial transmission of Mycobacterium tuberculosis. AB - Transmission of Mycobacterium tuberculosis (TB) in health settings threatens health care workers and people living with HIV in sub-Saharan Africa. Nosocomial transmission is reduced with implementation of infection control (IC) guidelines. The objective of this study is to describe implementation of TB IC measures in Malawi. We conducted a cross-sectional study utilizing anonymous health worker questionnaires, semi-structured interviews with facility managers, and direct observations at 17 facilities in central Malawi. Of 592 health care workers surveyed, 34% reported that all patients entering the facility were screened for cough and only 8% correctly named the four most common signs and symptoms of TB in adults. Of 33 managers interviewed, 7 (21%) and 1 (3%) provided the correct TB screening questions for use in adults and children, respectively. Of 592 health workers, only 2.4% had been screened for TB in the previous year. Most (90%) reported knowing their HIV status, 53% were tested at their facility of employment, and half reported they would feel comfortable receiving ART or TB treatment at their facility of employment. We conclude that screening is infrequently conducted and knowledge gaps may undercut its effectiveness. Further, health care workers do not routinely access TB and HIV diagnostic and treatment services at their facility of employment. PMID- 29211794 TI - Correction: An Exact Expression to Calculate the Derivatives of Position Dependent Observables in Molecular Simulations with Flexible Constraints. AB - [This corrects the article DOI: 10.1371/journal.pone.0024563.]. PMID- 29211795 TI - Increase in salivary oxytocin and decrease in salivary cortisol after listening to relaxing slow-tempo and exciting fast-tempo music. AB - Relaxation and excitation are components of the effects of music listening. The tempo of music is often considered a critical factor when determining these effects: listening to slow-tempo and fast-tempo music elicits relaxation and excitation, respectively. However, the chemical bases that underlie these relaxation and excitation effects remain unclear. Since parasympathetic and sympathetic nerve activities are facilitated by oxytocin and glucocorticoid, respectively, we hypothesized that listening to relaxing slow-tempo and exciting fast-tempo music is accompanied by increases in the oxytocin and cortisol levels, respectively. We evaluated the change in the salivary oxytocin and cortisol levels of participants listening to slow-tempo and fast-tempo music sequences. We measured the heart rate (HR) and calculated the heart rate variability (HRV) to evaluate the strength of autonomic nerve activity. After listening to a music sequence, the participants rated their arousal and valence levels. We found that both the salivary oxytocin concentration and the high frequency component of the HRV (HF) increased and the HR decreased when a slow-tempo music sequence was presented. The salivary cortisol level decreased and the low frequency of the HRV (LF) to HF ratio (LF/HF) increased when a fast-tempo music sequence was presented. The ratio of the change in the oxytocin level was correlated with the change in HF, LF/HF and HR, whereas that in the cortisol level did not show any correlation with indices of autonomic nerve activity. There was no correlation between the change in oxytocin level and self-reported emotions, while the change in cortisol level correlated with the arousal level. These findings suggest that listening to slow-tempo and fast-tempo music is accompanied by an increase in the oxytocin level and a decrease in the cortisol level, respectively, and imply that such music listening-related changes in oxytocin and cortisol are involved in physiological relaxation and emotional excitation, respectively. PMID- 29211797 TI - Hooded seal Cystophora cristata foraging areas in the Northeast Atlantic Ocean Investigated using three complementary methods. AB - Identifying environmental characteristics that define the ecological niche of a species is essential to understanding how changes in physical conditions might affect its distribution and other aspects of its ecology. The present study used satellite relay data loggers (SRDLs) to study habitat use by Northeast Atlantic hooded seals (N = 20; 9 adult females, 3 adult males, and 8 juveniles). Three different methods were used in combination to achieve maximum insight regarding key foraging areas for hooded seals in this region, which have decline by 85% in recent decades: 1) first passage time (FPT); 2) vertical transit rate and; 3) change in dive drift rate. Generalized additive mixed models (GAMM) were applied to each method to determine whether specific habitat characteristics were associated with foraging. Separate models were run for the post-molting and the post-breeding seasons; sex and age classes were included in the GAMMs. All three methods highlighted a few common geographic areas as being important foraging zones; however, there were also some different areas identified by the different methods, which highlights the importance of using multiple indexes when analyzing tracking and diving data to study foraging behavior. Foraging occurred most commonly in relatively shallow areas with high Sea Surface Temperatures (SST), corresponding to continental shelf areas with Atlantic Water masses. All age and sex classes overlapped spatially to some extent, but the different age and sex groups showed differences in the bathymetry of their foraging areas as well as in their vertical use of the water column. When foraging, pups dove in the upper part of the water column in relatively deep areas. Adult females foraged relatively shallowly in deep water areas too, though in shallower areas than pups. Adult males foraged close to the bottom in shallower areas. PMID- 29211796 TI - Reprogramming pancreatic stellate cells via p53 activation: A putative target for pancreatic cancer therapy. AB - Pancreatic ductal adenocarcinoma (PDAC) is characterized by an extremely dense fibrotic stroma, which contributes to tumor growth, metastasis, and drug resistance. During tumorigenesis, quiescent pancreatic stellate cells (PSCs) are activated and become major contributors to fibrosis, by increasing growth factor signaling and extracellular matrix deposition. The p53 tumor suppressor is known to restrict tumor initiation and progression through cell autonomous mechanisms including apoptosis, cell cycle arrest, and senescence. There is growing evidence that stromal p53 also exerts anti-tumor activity by paracrine mechanisms, though a role for stromal p53 in PDAC has not yet been described. Here, we demonstrate that activation of stromal p53 exerts anti-tumor effects in PDAC. We show that primary cancer-associated PSCs (caPSCs) isolated from human PDAC express wild type p53, which can be activated by the Mdm2 antagonist Nutlin-3a. Our work reveals that p53 acts as a major regulator of PSC activation and as a modulator of PDAC fibrosis. In vitro, p53 activation by Nutlin-3a induces profound transcriptional changes, which reprogram activated PSCs to quiescence. Using immunofluorescence and lipidomics, we have also found that p53 activation induces lipid droplet accumulation in both normal and tumor-associated fibroblasts, revealing a previously undescribed role for p53 in lipid storage. In vivo, treatment of tumor-bearing mice with the clinical form of Nutlin-3a induces stromal p53 activation, reverses caPSCs activation, and decreases fibrosis. All together our work uncovers new functions for stromal p53 in PDAC. PMID- 29211799 TI - Comparison of miRNA quantitation by Nanostring in serum and plasma samples. AB - Circulating microRNAs that are associated with specific diseases have garnered much attention for use in diagnostic assays. However, detection of disease associated miRNA can be affected by several factors such as release of contaminating cellular miRNA during sample collection, variations due to amplification of transcript for detection, or controls used for normalization for accurate quantitation. We analyzed circulating miRNA in serum and plasma samples obtained concurrently from 28 patients, using a Nanostring quantitative assay platform. Total RNA concentration ranged from 32-125 MUg/ml from serum and 30-220 MUg/ml from plasma. Of 798 miRNAs, 371 miRNAs were not detected in either serum or plasma samples. 427 were detected in either serum or plasma but not both, whereas 151 miRNA were detected in both serum and plasma samples. The diversity of miRNA detected was greater in plasma than in serum samples. In serum samples, the number of detected miRNA ranged from 3 to 82 with a median of 17, whereas in plasma samples, the number of miRNA detected ranged from 25 to 221 with a median of 91. Several miRNA such as miR451a, miR 16-5p, miR-223-3p, and mir25-3p were highly abundant and differentially expressed between serum and plasma. The detection of endogenous and exogenous control miRNAs varied in serum and plasma, with higher levels observed in plasma. Gene expression stability identified candidate invariant microRNA that were highly stable across all samples, and could be used for normalization. In conclusion, there are significant differences in both the number of miRNA detected and the amount of miRNA detected between serum and plasma. Normalization using miRNA with constant expression is essential to minimize the impact of technical variations. Given the challenges involved, ideal candidates for blood based biomarkers would be those that are indifferent to type of body fluid, are detectable and can be reliably quantitated. PMID- 29211798 TI - LipL21 lipoprotein binding to peptidoglycan enables Leptospira interrogans to escape NOD1 and NOD2 recognition. AB - Leptospirosis is a widespread zoonosis, potentially severe in humans, caused by spirochetal bacteria, Leptospira interrogans (L. interrogans). Host defense mechanisms involved in leptospirosis are poorly understood. Recognition of lipopolysaccharide (LPS) and lipoproteins by Toll-Like Receptors (TLR)4 and TLR2 is crucial for clearance of leptospires in mice, yet the role of Nucleotide Oligomerization Domain (NOD)-like receptors (NOD)1 and NOD2, recognizing peptidoglycan (PG) fragments has not previously been examined. Here, we show that pathogenic leptospires escape from NOD1 and NOD2 recognition both in vitro and in vivo, in mice. We found that leptospiral PG is resistant to digestion by certain hydrolases and that a conserved outer membrane lipoprotein of unknown function, LipL21, specific for pathogenic leptospires, is tightly bound to the PG. Leptospiral PG prepared from a mutant not expressing LipL21 (lipl21-) was more readily digested than the parental or complemented strains. Muropeptides released from the PG of the lipl21- mutant, or prepared using a procedure to eliminate the LipL21 protein from the PG of the parental strain, were recognized in vitro by the human NOD1 (hNOD1) and NOD2 (hNOD2) receptors, suggesting that LipL21 protects PG from degradation into muropeptides. LipL21 expressed in E. coli also resulted in impaired PG digestion and NOD signaling. We found that murine NOD1 (mNOD1) did not recognize PG of L. interrogans. This result was confirmed by mass spectrometry showing that leptospiral PG was primarily composed of MurTriDAP, the natural agonist of hNOD1, and contained only trace amounts of the tetra muropeptide, the mNOD1 agonist. Finally, in transgenic mice expressing human NOD1 and deficient for the murine NOD1, we showed enhanced clearance of a lipl21- mutant compared to the complemented strain, or to what was observed in NOD1KO mice, suggesting that LipL21 facilitates escape from immune surveillance in humans. These novel mechanisms allowing L. interrogans to escape recognition by the NOD receptors may be important in circumventing innate host responses. PMID- 29211801 TI - Correction: Assessment of municipal infrastructure development and its critical influencing factors in urban China: A FA and STIRPAT approach. AB - [This corrects the article DOI: 10.1371/journal.pone.0181917.]. PMID- 29211800 TI - Diagnostic test strategies in children at increased risk of inflammatory bowel disease in primary care. AB - BACKGROUND: In children with symptoms suggestive of inflammatory bowel disease (IBD) who present in primary care, the optimal test strategy for identifying those who require specialist care is unclear. We evaluated the following three test strategies to determine which was optimal for referring children with suspected IBD to specialist care: 1) alarm symptoms alone, 2) alarm symptoms plus c-reactive protein, and 3) alarm symptoms plus fecal calprotectin. METHODS: A prospective cohort study was conducted, including children with chronic gastrointestinal symptoms referred to pediatric gastroenterology. Outcome was defined as IBD confirmed by endoscopy, or IBD ruled out by either endoscopy or unremarkable clinical 12 month follow-up with no indication for endoscopy. Test strategy probabilities were generated by logistic regression analyses and compared by area under the receiver operating characteristic curves (AUC) and decision curves. RESULTS: We included 90 children, of whom 17 (19%) had IBD (n = 65 from primary care physicians, n = 25 from general pediatricians). Adding fecal calprotectin to alarm symptoms increased the AUC significantly from 0.80 (0.67 0.92) to 0.97 (0.93-1.00), but adding c-reactive protein to alarm symptoms did not increase the AUC significantly (p > 0.05). Decision curves confirmed these patterns, showing that alarm symptoms combined with fecal calprotectin produced the diagnostic test strategy with the highest net benefit at reasonable threshold probabilities. CONCLUSION: In primary care, when children are identified as being at high risk for IBD, adding fecal calprotectin testing to alarm symptoms was the optimal strategy for improving risk stratification. PMID- 29211802 TI - Hidden alpha-helical propensity segments within disordered regions of the transcriptional activator CHOP. AB - C/EBP-homologous protein (CHOP) is a key determinant of the apoptotic response to endoplasmic reticulum stress or DNA damage. As a member of the C/EBP family, CHOP contains a low complexity N-terminal region involved in transcriptional activation, followed by a bZIP that binds DNA after dimerization. However, in contrast to other C/EBPs, CHOP directs binding to non-canonical C/EBP sites due to unique substitutions in its DNA-binding domain. Herein, we show that the N terminal region of CHOP is intrinsically unstructured but contains two segments presenting alpha-helical propensity. One of these segments is conserved in other C/EBPs and mediates essential roles of CHOP, including regulation through phosphorylation. The second segment is placed within a proteolytic-resistant portion of the protein and exhibits reduced flexibility. Moreover, the DNA binding region of CHOP also contains a segment with alpha-helical character towards its most N-terminal part. Our results suggest that structure-prone segments scattered within disordered regions may be critical for macromolecular recognition during CHOP-mediated transcriptional activation. PMID- 29211803 TI - Hypoxia and inactivity related physiological changes precede or take place in absence of significant rearrangements in bacterial community structure: The PlanHab randomized trial pilot study. AB - We explored the assembly of intestinal microbiota in healthy male participants during the randomized crossover design of run-in (5 day) and experimental phases (21-day normoxic bed rest (NBR), hypoxic bed rest (HBR) and hypoxic ambulation (HAmb) in a strictly controlled laboratory environment, with balanced fluid and dietary intakes, controlled circadian rhythm, microbial ambiental burden and 24/7 medical surveillance. The fraction of inspired O2 (FiO2) and partial pressure of inspired O2 (PiO2) were 0.209 and 133.1 +/- 0.3 mmHg for NBR and 0.141 +/- 0.004 and 90.0 +/- 0.4 mmHg for both hypoxic variants (HBR and HAmb; ~4000 m simulated altitude), respectively. A number of parameters linked to intestinal environment such as defecation frequency, intestinal electrical conductivity (IEC), sterol and polyphenol content and diversity, indole, aromaticity and spectral characteristics of dissolved organic matter (DOM) were measured (64 variables). The structure and diversity of bacterial microbial community was assessed using 16S rRNA amplicon sequencing. Inactivity negatively affected frequency of defecation and in combination with hypoxia increased IEC (p < 0.05). In contrast, sterol and polyphenol diversity and content, various characteristics of DOM and aromatic compounds, the structure and diversity of bacterial microbial community were not significantly affected over time. A new in-house PlanHab database was established to integrate all measured variables on host physiology, diet, experiment, immune and metabolic markers (n = 231). The observed progressive decrease in defecation frequency and concomitant increase in IEC suggested that the transition from healthy physiological state towards the developed symptoms of low magnitude obesity-related syndromes was dose dependent on the extent of time spent in inactivity and preceded or took place in absence of significant rearrangements in bacterial microbial community. Species B. thetaiotamicron, B. fragilis, B. dorei and other Bacteroides with reported relevance for dysbiotic medical conditions were significantly enriched in HBR, characterized with most severe inflammation symptoms, indicating a shift towards host mucin degradation and proinflammatory immune crosstalk. PMID- 29211804 TI - The cardio-metabolic impact of taking commonly prescribed analgesic drugs in 133,401 UK Biobank participants. AB - OBJECTIVE: There has been a significant increase in the prescribing of medication for chronic non-cancer pain. In a UK population sample, we aimed to assess cardio metabolic (CM) health in those taking these chronic pain medications. METHODS: 133,401 participants from the UK Biobank cohort were studied. BMI, waist cm and hypertension were compared between those on drugs prescribed for chronic pain and CM drugs to those on CM drugs only. Multiple confounders were controlled for. RESULTS: Those taking opiates and CM drugs had the worst CM health profile with a 95%, 82% and 63% increased odds of reporting obesity, 'very high risk' waist circumference and hypertension, respectively (OR [95% CI] 1.95 [1.75-2.17], 1.82 [1.63-2.03], 1.63 [1.45-1.84]), compared to those on CM drugs alone. Those taking neuropathic pain medications and CM drugs also demonstrate worse CM profile than those taking CM drugs only. CONCLUSIONS: The impact of medications for chronic pain and sleep upon CM health and obesity is of concern for these classes of drugs which have been recently labelled as dependency forming medications. The results from this cross sectional study warrants further investigation and adds further support to calls for these medications to be prescribed for shorter periods. PMID- 29211805 TI - Leaf herbivory imposes fitness costs mediated by hummingbird and insect pollinators. AB - Plant responses induced by herbivore damage can provide fitness benefits, but can also have important costs due to altered interactions with mutualist pollinators. We examined the effects of plant responses to herbivory in a hummingbird pollinated distylous shrub, Palicourea angustifolia. Through a series of field experiments we investigated whether damage from foliar herbivores leads to a reduction in fruit set, influences floral visitation, or alters floral traits that may influence pollinator preference or pollinator efficiency. Foliar herbivory by a generalist grasshopper led to reduced fruit set in branches that were directly damaged as well as in adjacent undamaged branches on the same plant. Furthermore, herbivory resulted in reduced floral visitation from two common hummingbird species and two bee species. An investigation into the potential mechanisms behind reduced floral visitation in induced plants showed that foliar herbivore damage resulted in shorter styles and lower nectar volumes. This reduction in style length could reduce pollen deposition between different floral morphs that is required for optimal pollination in a distylous plant. We did not detect any differences in the volatile blends released by damaged and undamaged branches, suggesting that foliar herbivore-induced changes in floral morphology and rewards, and not volatile blends, are the primary mechanism mediating changes in visitation. Our results provide novel mechanisms for how plant responses induced by foliar herbivores can lead to ecological costs. PMID- 29211806 TI - Screening and identification of key genes regulating fall dormancy in alfalfa leaves. AB - Fall dormancy (FD) determines the adaptation of an alfalfa variety and affects alfalfa production and quality. However, the molecular mechanism underlying FD remains poorly understood. Here, 44 genes regulating FD were identified by comparison of the transcriptomes from leaves of Maverick (fall-dormant alfalfa) and CUF101(non-fall-dormant), during FD and non-FD and were classified them depending on their function. The transcription of IAA-amino acid hydrolase ILR1 like 1, abscisic acid receptor PYL8, and monogalactosyldiacylglycerol synthase-3 in Maverick leaves was regulated by daylength and temperature, and the transcription of the abscisic acid receptor PYL8 was mainly affected by daylength. The changes in the expression of these genes and the abundance of their messenger RNA (mRNA) in Maverick leaves differed from those in CUF101 leaves, as evidenced by the correlation analysis of their mRNA abundance profiles obtained from April to October. The present findings suggested that these genes are involved in regulating FD in alfalfa. PMID- 29211807 TI - Null diffusion-based enrichment for metabolomics data. AB - Metabolomics experiments identify metabolites whose abundance varies as the conditions under study change. Pathway enrichment tools help in the identification of key metabolic processes and in building a plausible biological explanation for these variations. Although several methods are available for pathway enrichment using experimental evidence, metabolomics does not yet have a comprehensive overview in a network layout at multiple molecular levels. We propose a novel pathway enrichment procedure for analysing summary metabolomics data based on sub-network analysis in a graph representation of a reference database. Relevant entries are extracted from the database according to statistical measures over a null diffusive process that accounts for network topology and pathway crosstalk. Entries are reported as a sub-pathway network, including not only pathways, but also modules, enzymes, reactions and possibly other compound candidates for further analyses. This provides a richer biological context, suitable for generating new study hypotheses and potential enzymatic targets. Using this method, we report results from cells depleted for an uncharacterised mitochondrial gene using GC and LC-MS data and employing KEGG as a knowledge base. Partial validation is provided with NMR-based tracking of 13C glucose labelling of these cells. PMID- 29211808 TI - Estimating dispersal rates of Steller sea lion (Eumetopias jubatus) mother-pup pairs from a natal rookery using mark-resight data. AB - To monitor population trends of Steller sea lions (Eumetopias jubatus) in Alaska, newborn pups are counted during aerial surveys. These surveys are scheduled to occur after the majority of pups are born, but before pups begin to spend significant time in the water. Some studies have reported dispersal of mother-pup pairs away from breeding beaches during the pupping season (July), which may influence survey results. Using a multistate mark-recapture model with state uncertainty, we estimated the amount of dispersal during the pupping season based on observations of permanently marked sea lions. Research was conducted at land based observation sites on Marmot Island, Alaska, between 2000 and 2013. Both marked adult females with dependent pups and marked pups were observed at two rookery beaches from May to July. Cumulative dispersal rates were minimal (< 1%) prior to the planned start of the aerial survey (23 June) and increased to 11.2% by the planned survey completion date (10 July). The increased cumulative dispersal rate during the remainder of the observation period (end of July) suggests potential bias in surveys that occur beyond 10 July, however surveys past this date are rare (< 10% between 1973 and 2016). As a result, movements of mother-pup pairs during the pupping season are not likely to influence aerial survey estimates. PMID- 29211809 TI - Down-regulation of the klf5-c-Myc interaction due to klf5 phosphorylation mediates resveratrol repressing the caveolin-1 transcription through the PI3K/PKD1/Akt pathway. AB - Resveratrol (RSV), a natural polyphenol, has been reported to produce effect on genes transcription in lipid metabolism. In this study, we aim to explore the novel mechanisms of RSV on the regulation of caveolin-1 (Cav-1) transcription. Via body weight, blood glucose, serum lipid, and liver pathology detection, we found that RSV decreased body weight, blood glucose and lipid accumulation in rats fed high-fat diet. Based on co-immunoprecipitation (Co-IP) and western blotting assay, we found that RSV up-regulated klf5 phosphorylation and decreased the interaction of klf5 with c-Myc, which were accompanied by down-regulation of Cav-1 expression in livers of rats fed with high-fat diet. Moreover, in HEK293 cells, we observed RSV enhanced klf5 phosphorylation and separated the interaction of klf5 with c-Myc through inhibiting the activation of PI3K/PKD1/Akt pathway, which maybe promoted c-Myc binding to the promoter to inhibit Cav-1 expression. The results of the present study demonstrated that RSV activated klf5 phosphorylation by inhibiting PI3K/PKD1/Akt pathway, and then attenuated the interaction of klf5 with c-Myc, subsequently probably promoted the c-Myc binding to the promoter to repress Cav-1 expression. PMID- 29211810 TI - Heterogeneity in the development of proactive and reactive aggression in childhood: Common and specific genetic - environmental factors. AB - BACKGROUND: Few studies are grounded in a developmental framework to study proactive and reactive aggression. Furthermore, although distinctive correlates, predictors and outcomes have been highlighted, proactive and reactive aggression are substantially correlated. To our knowledge, no empirical study has examined the communality of genetic and environmental underpinning of the development of both subtypes of aggression. The current study investigated the communality and specificity of genetic-environmental factors related to heterogeneity in proactive and reactive aggression's development throughout childhood. METHODS: Participants were 223 monozygotic and 332 dizygotic pairs. Teacher reports of aggression were obtained at 6, 7, 9, 10 and 12 years of age. Joint development of both phenotypes were analyzed through a multivariate latent growth curve model. Set point, differentiation, and genetic maturation/environmental modulation hypotheses were tested using a biometric decomposition of intercepts and slopes. RESULTS: Common genetic factors accounted for 64% of the total variation of proactive and reactive aggression's intercepts. Two other sets of uncorrelated genetic factors accounted for reactive aggression's intercept (17%) on the one hand, and for proactive (43%) and reactive (13%) aggression's slopes on the other. Common shared environmental factors were associated with proactive aggression's intercept (21%) and slope (26%) and uncorrelated shared environmental factors were also associated with reactive aggression's slope (14%). Common nonshared environmental factors explained most of the remaining variability of proactive and reactive aggression slopes. CONCLUSIONS: A genetic differentiation hypothesis common to both phenotypes was supported by common genetic factors associated with the developmental heterogeneity of proactive and reactive aggression in childhood. A genetic maturation hypothesis common to both phenotypes, albeit stronger for proactive aggression, was supported by common genetic factors associated with proactive and reactive aggression slopes. A shared environment set point hypothesis for proactive aggression was supported by shared environmental factors associated with proactive aggression baseline and slope. Although there are many common features to proactive and reactive aggression, the current research underscores the advantages of differentiating them when studying aggression. PMID- 29211811 TI - Challenges in the diagnosis of ulcerative colitis with concomitant bacterial infections and chronic infectious colitis. AB - Ulcerative colitis (UC) is a chronic inflammation of the large bowel characterized by diarrhea and a negative stool culture. However, several enteropathogens have been implicated as causative agents in UC. The differentiation between chronic infectious colitis (IC) and UC with concurrent infection is difficult owing to their similar clinical presentations. The study aimed to explore the presentations and diagnostic clues that enable differentiation between UC with concomitant infections and chronic IC. The study included 17 UC patients with a bacterial infection and 46 with chronic IC. The UC patients (47 +/- 19 years) were younger than the chronic IC patients (58 +/- 20 years) (P = 0.022). Bloody diarrhea was more common in UC than in chronic IC (58.8% vs 10.9%, P < 0.001). Previous antibiotic usage was a risk factor for chronic IC (5.9% vs 32.6%, P = 0.031). Malignancy was a common comorbidity of chronic IC (5.9% vs 34.8%, P = 0.022). UC patients had lower antibiotic response rates than chronic IC patients (60.0% vs 87.2%, P = 0.026). Aeromonas species and Clostridium difficile were common in both groups. Histological features of cryptitis and crypt abscess were useful in the diagnosis of UC (P = 0.052 and P = 0.016, respectively). Bloody diarrhea in a young adult, decreased response to antibiotic treatment, and results of endoscopy with biopsy are important features in the diagnosis of UC with bacterial infection. PMID- 29211812 TI - A simulation study on the impact of the blood flow-dependent component in [18F]AV45 SUVR in Alzheimer's disease. AB - BACKGROUND: Increased brain uptake on [18F]AV45 PET is a biomarker for Alzheimer's disease (AD). The standardised uptake value ratio (SUVR) is widely used for quantification but is subject to variability. Here we evaluate how SUVR of a cortical target region is affected by blood flow changes in the target and two frequently used reference regions. METHODS: Regional baseline time-activity curves (TACs) were simulated based on metabolite-corrected plasma input functions and pharmacokinetic parameters obtained from our previously acquired data in healthy control (HC; n = 10), amnestic mild cognitive impairment (aMCI; n = 15) and AD cohorts (n = 9). Blood flow changes were simulated by altering the regional tracer delivery rate K1 (and clearance rate k2) between -40% and +40% from its regional baseline value in the target region and/or cerebellar grey (CB) or subcortical white matter (WM) reference regions. The corresponding change in SUVR was calculated at 50-60 min post-injection. RESULTS: A -40% blood flow reduction in the target resulted in an increased SUVRtarget (e.g. SUVRprecuneus: +10.0+/-5% in HC, +2.5+/-2% in AD), irrespective of the used reference region. A 40% blood flow reduction in the WM reference region increased SUVRWM (+11.5+/-4% in HC, +13.5+/-3% in AD) while a blood flow reduction in CB decreased SUVRCB ( 9.5+/-6% in HC, -5.5+/-2% in AD), irrespective of the used target region. A -40% flow reduction in both the precuneus and reference WM (i.e., global flow change) induced an increased SUVR (+22.5+/-8% in HC, +16.0+/-4% in AD). When considering reference CB instead, SUVR was decreased by less than -5% (both in HC and AD). CONCLUSION: Blood flow changes introduce alterations in [18F]AV45 PET SUVR. Flow reductions in the CB and WM reference regions resulted in a decreased and increased SUVR of the target, respectively. SUVR was more affected by global blood flow changes when considering WM instead of CB normalization. PMID- 29211813 TI - Scientometric study of the effects of exposure to non-ionizing electromagnetic fields on fertility: A contribution to understanding the reasons of partial failure. AB - The exposure to Non-Ionizing-Electromagnetic Fields (NI-EMFs) is often indicated as a cofactor responsible for the fertility reduction, which has been described in recent years. Despite the great interest in this topic and the research effort in exploring it, to date, there are no reliable data. Therefore, we carried out a scientometric analysis of the scientific literature published in peer reviewed Journals concerning this topic to better understand the reasons of this partial failure. To this aim, we identified and analysed 104 papers, published in last 26 years in peer-reviewed Journals, present in ISI Web of Knowledge Core Collection. Then, we analysed the impact of the Journals in which the papers were published as well as that of the single papers, the paper citation dynamics, the keywords citation busts, the geographical localization of citations and the co-authorship dynamics of the Authors. As a result, we found that different animal models (rodent, rabbit, guinea pig, and swine) and different experimental approaches (epidemiological vs. experimental studies) have the same impact, highlighting the lack of universally adopted standard in research activity. The analysis of the temporal trend in keywords and the high differences in citations between the different countries (also in those belonging to the same geographical and socio economical area) pointed out the difficulties in approaching this branch of study. Lastly, it was evident that the Authors did not behave as a connected community, but as unconnected clusters of very small size. In conclusion, based on the results of our analysis, we think that important efforts must be undertaken to adopt more standardized models and to improve the research quality and the information exchange within the scientific community, with the aim of improving the reliability and usefulness of the results of research regarding the effect of NI-EMFs on fertility. PMID- 29211814 TI - Overexpression of transmembrane protein 168 in the mouse nucleus accumbens induces anxiety and sensorimotor gating deficit. AB - Transmembrane protein 168 (TMEM168) comprises 697 amino acid residues, including some putative transmembrane domains. It is reported that TMEM168 controls methamphetamine (METH) dependence in the nucleus accumbens (NAc) of mice. Moreover, a strong link between METH dependence-induced adaptive changes in the brain and mood disorders has been evaluated. In the present study, we investigated the effects of accumbal TMEM168 in a battery of behavioral paradigms. The adeno-associated virus (AAV) Tmem168 vector was injected into the NAc of C57BL/6J mice (NAc-TMEM mice). Subsequently, the accumbal TMEM168 mRNA was increased approximately by seven-fold when compared with the NAc-Mock mice (controls). The NAc-TMEM mice reported no change in the locomotor activity, cognitive ability, social interaction, and depression-like behaviors; however, TMEM168 overexpression enhanced anxiety in the elevated-plus maze and light/dark box test. The increased anxiety was reversed by pretreatment with the antianxiety drug diazepam (0.3 mg/kg i.p.). Moreover, the NAc-TMEM mice exhibited decreased prepulse inhibition (PPI) in the startle response test, and the induced schizophrenia-like behavior was reversed by pretreatment with the antipsychotic drug risperidone (0.01 mg/kg i.p.). Furthermore, accumbal TMEM168 overexpression decreased the basal levels of extracellular GABA in the NAc and the high K+ (100 mM)-stimulated GABA elevation; however, the total contents of GABA in the NAc remained unaffected. These results suggest that the TMEM168-regulated GABAergic neuronal system in the NAc might become a novel target while studying the etiology of anxiety and sensorimotor gating deficits. PMID- 29211816 TI - Clinical outcome and molecular characterisation of chemorefractory metastatic colorectal cancer patients with long-term efficacy of regorafenib treatment. AB - Background: To investigate the potential predictors of response to regorafenib, in chemorefractory metastatic colorectal cancer (mCRC) patients with long-term efficacy from regorafenib treatment. Methods: Retrospective, single institution analysis of patients with chemorefractory mCRC treated with regorafenib, in clinical practice setting. 123 patients were treated and stratified into two groups according to number of cycles received (<7 and >=7). Overall survival (OS), progression-free survival (PFS) and safety were evaluated. 20 tumour samples (10 poor and 10 long responders) were analysed with the OncoMine Comprehensive Assay for 143 genes. Results: A good Eastern Cooperative Oncology Group performance status, a lung limited metastatic disease and a long history of metastatic disease were significantly associated with better OS and PFS from treatment with regorafenib. Mutations were mostly found in TP53, KRAS and PIK3CA as well as in NRAS, ERBB2, SMAD4 and PTEN genes. BCL2L1, ERBB2, KRAS, MYC, GAS6 gene amplifications were detected as well as ALK rearrangement. No significant correlation between molecular alterations and response to regorafenib was observed. However, HER2 gene alterations were found in three poor responder patients, suggesting a potential role in regorafenib resistance. Conversely, GAS6 amplification and SMAD4 mutation, detected in two long responder patients, might suggest a role of epithelial-mesenchymal transition phenotype in regorafenib response. Conclusion: A subgroup of long responder patients to regorafenib treatment was identified and a comprehensive molecular characterisation was performed; however, further research efforts are essential to confirm our data. PMID- 29211815 TI - Bacteria and bacterial envelope components enhance mammalian reovirus thermostability. AB - Enteric viruses encounter diverse environments as they migrate through the gastrointestinal tract to infect their hosts. The interaction of eukaryotic viruses with members of the host microbiota can greatly impact various aspects of virus biology, including the efficiency with which viruses can infect their hosts. Mammalian orthoreovirus, a human enteric virus that infects most humans during childhood, is negatively affected by antibiotic treatment prior to infection. However, it is not known how components of the host microbiota affect reovirus infectivity. In this study, we show that reovirus virions directly interact with Gram positive and Gram negative bacteria. Reovirus interaction with bacterial cells conveys enhanced virion thermostability that translates into enhanced attachment and infection of cells following an environmental insult. Enhanced virion thermostability was also conveyed by bacterial envelope components lipopolysaccharide (LPS) and peptidoglycan (PG). Lipoteichoic acid and N-acetylglucosamine-containing polysaccharides enhanced virion stability in a serotype-dependent manner. LPS and PG also enhanced the thermostability of an intermediate reovirus particle (ISVP) that is associated with primary infection in the gut. Although LPS and PG alter reovirus thermostability, these bacterial envelope components did not affect reovirus utilization of its proteinaceous cellular receptor junctional adhesion molecule-A or cell entry kinetics. LPS and PG also did not affect the overall number of reovirus capsid proteins sigma1 and sigma3, suggesting their effect on virion thermostability is not mediated through altering the overall number of major capsid proteins on the virus. Incubation of reovirus with LPS and PG did not significantly affect the neutralizing efficiency of reovirus-specific antibodies. These data suggest that bacteria enhance reovirus infection of the intestinal tract by enhancing the thermal stability of the reovirus particle at a variety of temperatures through interactions between the viral particle and bacterial envelope components. PMID- 29211817 TI - QTWiST analysis of the RECOURSE trial of trifluridine/tipiracil in metastatic colorectal cancer. AB - Purpose: A Quality-adjusted Time WIthout Symptoms of disease or Toxicity (QTWiST) analysis was carried out to assess quality-adjusted survival time in the RECOURSE trial of trifluridine/tipiracil versus placebo in pretreated metastatic colorectal cancer (mCRC). Methods: Duration of overall survival in the RECOURSE trial (n=798 patients) was partitioned into three discrete health states: toxicity (TOX), time without symptoms or toxicity (TWIST) and relapse (REL). TOX was defined as time spent with grade 3 or 4 treatment-related adverse events (AEs) after randomisation and before progression or censoring. AEs were limited to those related to trifluridine/tipiracil and known to affect quality of life (QoL) (ie, nausea, vomiting, diarrhoea, fatigue/asthaenia, anorexia and febrile neutropaenia). The estimated mean duration of each state, weighted by a utility coefficient representing QoL, was combined into a global QTWiST score. Results: In the RECOURSE trial, overall survival was 7.1 months with trifluridine/tipiracil versus 5.3 months with placebo. Patients receiving trifluridine/tipiracil spent longer in each health state than placebo recipients. Using assumed utility coefficients of 1 for TWIST and 0.5 for TOX and REL, the QTWiST was 5.48 months for the trifluridine/tipiracil group and 3.98 months for the placebo group, a difference of 1.5 (95% CI 1.49 to 1.52) months in favour of trifluridine/tipiracil. A sensitivity analysis using large variations in utility coefficients for TOX and REL produced a range of only approximately 0.5 months from minimum to maximum QTWiST. Conclusions: Quality-adjusted survival, as measured by QTWiST, shows clinically meaningful improvements in patients treated with trifluridine/tipiracil versus placebo in pretreated mCRC. PMID- 29211818 TI - Susceptibility to Alcohol Hangovers: Not Just a Matter of Being Resilient. AB - Introduction: Although most drinkers have experienced a hangover the day following heavy alcohol consumption, a minority claims to be hangover resistant despite consuming the same large quantities of alcohol as those reporting alcohol hangover. The aim of the current study was to examine if susceptibility to experiencing hangovers is related to a drinker's interpretation of wellbeing and psychological assets to bounce back. Methods: A survey was conducted among 2295 Dutch students assessing their past month alcohol consumption patterns, and measuring mental resilience and wellbeing. Estimated peak blood alcohol concentration (e-pBAC) for their heaviest drinking occasion in the past month was computed for each participant. Data from participants who reported a past month hangover, i.e. hangover sensitive drinkers, were compared with hangover resistant drinkers. The analyses were conducted for (a) all participants reaching an e-pBAC >= 0.11% (N = 986, of which 24.6% claimed to be hangover resistant) and (b) participants reaching an e-pBAC >= 0.18% (N = 480, of which 16.7% claimed to be hangover resistant). Results: For both e-pBAC cut-off values, no significant differences between hangover sensitive and hangover resistant drinkers were found for mental resilience and wellbeing. Conclusion: The current findings suggest that having a hangover is not simply an expression of poor psychological coping with the next-day consequences of heavy alcohol consumption. PMID- 29211819 TI - Genomic Investigation of a Putative Endoscope-Associated Carbapenem-Resistant Enterobacter cloacae Outbreak Reveals a Wide Diversity of Circulating Strains and Resistance Mutations. AB - A genomic epidemiologic investigation of a putative carbapenem-resistant Enterobacter cloacae outbreak revealed few plausible instances of nosocomial transmission, highlighting instead the frequent importation of E. cloacae into our hospital. Searching for genetic determinants of carbapenem resistance demonstrated that most resistance is due to convergent mutations in phylogenetically diverse E. cloacae. PMID- 29211820 TI - Economic Impact of a Preferred Anti-Methicillin Susceptible Staphylococcus aureus Protocol. PMID- 29211821 TI - Elizabethkingia in Children: A Comprehensive Review of Symptomatic Cases Reported From 1944 to 2017. AB - Elizabethkingia species often exhibit extensive antibiotic resistance and result in high morbidity and mortality, yet no systematic reviews exist that thoroughly characterize and quantify concerns for infected infants and children. We performed a review of literature and identified an initial 902 articles; 96 articles reporting 283 pediatric cases met our inclusion criteria and were subsequently reviewed. Case reports spanned 28 countries and ranged from 1944 to 2017. Neonatal meningitis remains the most common presentation of this organism in children, along with a range of other clinical manifestations. The majority of reported cases occurred as isolated cases, rather than within outbreaks. Mortality was high but has decreased in recent years, although neurologic sequelae among survivors remains concerning. Child outcomes can be improved through effective prevention measures and early identification and treatment of infected patients. PMID- 29211824 TI - Corrigendum: Systematic reviews: guidance relevant for studies of older people. PMID- 29211822 TI - Insights from resolving protein-DNA interactions at near base-pair resolution. AB - One of the central goals in molecular biology is to understand how cell-type specific expression patterns arise through selective recruitment of RNA polymerase II (Pol II) to a subset of gene promoters. Pol II needs to be recruited to a precise genomic position at the proper time to produce messenger RNA from a DNA template. Ostensibly, transcription is a relatively simple cellular process; yet, experimentally measuring and then understanding the combinatorial possibilities of transcriptional regulators remain a daunting task. Since its introduction in 1985, chromatin immunoprecipitation (ChIP) has remained a key tool for investigating protein-DNA contacts in vivo. Over 30 years of intensive research using ChIP have provided numerous insights into mechanisms of gene regulation. As functional genomic technologies improve, they present new opportunities to address key biological questions. ChIP-exo is a refined version of ChIP-seq that significantly reduces background signal, while providing near base-pair mapping resolution for protein-DNA interactions. This review discusses the evolution of the ChIP assay over the years; the methodological differences between ChIP-seq, ChIP-exo and ChIP-nexus; and highlight new insights into epigenetic and transcriptional mechanisms that were uniquely enabled with the near base-pair resolution of ChIP-exo. PMID- 29211823 TI - Identifying functionally informative evolutionary sequence profiles. AB - Motivation: Multiple sequence alignments (MSAs) can provide essential input to many bioinformatics applications, including protein structure prediction and functional annotation. However, the optimal selection of sequences to obtain biologically informative MSAs for such purposes is poorly explored, and has traditionally been performed manually. Results: We present Selection of Alignment by Maximal Mutual Information (SAMMI), an automated, sequence-based approach to objectively select an optimal MSA from a large set of alternatives sampled from a general sequence database search. The hypothesis of this approach is that the mutual information among MSA columns will be maximal for those MSAs that contain the most diverse set possible of the most structurally and functionally homogeneous protein sequences. SAMMI was tested to select MSAs for functional site residue prediction by analysis of conservation patterns on a set of 435 proteins obtained from protein-ligand (peptides, nucleic acids and small substrates) and protein-protein interaction databases. Availability and implementation: A freely accessible program, including source code, implementing SAMMI is available at https://github.com/nelsongil92/SAMMI.git. Contact: andras.fiser@einstein.yu.edu. Supplementary information: Supplementary data are available at Bioinformatics online. PMID- 29211826 TI - Dose Suggestions for Intravenous Colistin in Pediatric Patients: Caution Required. PMID- 29211825 TI - Bicycle: a bioinformatics pipeline to analyze bisulfite sequencing data. AB - Summary: High-throughput sequencing of bisulfite-converted DNA is a technique used to measure DNA methylation levels. Although a considerable number of computational pipelines have been developed to analyze such data, none of them tackles all the peculiarities of the analysis together, revealing limitations that can force the user to manually perform additional steps needed for a complete processing of the data. This article presents bicycle, an integrated, flexible analysis pipeline for bisulfite sequencing data. Bicycle analyzes whole genome bisulfite sequencing data, targeted bisulfite sequencing data and hydroxymethylation data. To show how bicycle overtakes other available pipelines, we compared them on a defined number of features that are summarized in a table. We also tested bicycle with both simulated and real datasets, to show its level of performance, and compared it to different state-of-the-art methylation analysis pipelines. Availability and implementation: Bicycle is publicly available under GNU LGPL v3.0 license at http://www.sing-group.org/bicycle. Users can also download a customized Ubuntu LiveCD including bicycle and other bisulfite sequencing data pipelines compared here. In addition, a docker image with bicycle and its dependencies, which allows a straightforward use of bicycle in any platform (e.g. Linux, OS X or Windows), is also available. Contact: ograna@cnio.es or dgpena@uvigo.es. Supplementary information: Supplementary data are available at Bioinformatics online. PMID- 29211827 TI - Colistin Pharmacokinetics in Pediatrics. PMID- 29211828 TI - ASAR: visual analysis of metagenomes in R. AB - Motivation: Functional and taxonomic analyses are critical steps in understanding interspecific interactions within microbial communities. Currently, such analyses are run separately, which complicates interpretation of results. Here we present the ASAR interactive tool for simultaneous analysis of metagenomic data in three dimensions: taxonomy, function, metagenome. Results: An interactive data analysis tool for selection, aggregation and visualization of metagenomic data is presented. Functional analysis with a SEED hierarchy and pathway diagram based on KEGG orthology based upon MG-RAST annotation results is available. Availability and implementation: Source code of the ASAR is accessible at GitHub (https://github.com/Askarbek-orakov/ASAR). Contact: askarbek.orakov@nu.edu.kz or goryanin@gmail.com. PMID- 29211829 TI - Small RNA repertoires and their intraspecies variation in Aggregatibacter actinomycetemcomitans. AB - Aggregatibacter actinomycetemcomitans is a major periodontal pathogen that has several virulence factors such as leukotoxin and cytolethal distending toxin. Although the genes responsible for virulence have been identified, little is known about their regulatory mechanisms. Small RNA (sRNA) has been recognized as an important factor for gene regulation. To identify new regulatory mechanisms via sRNA in A. actinomycetemcomitans HK1651, we performed a systematic search for sRNAs by RNA-seq and identified 90 intergenic region sRNAs and 30 antisense sRNAs. Of the 85 analysable sRNAs, we successfully detected and quantified 70 sRNAs by developing an RT-PCR system, and we identified 17 sRNAs that were differentially expressed during different growth phases. In addition, we found notable intraspecies variation in the sRNA repertoire of A. actinomycetemcomitans, thus suggesting that frequent acquisition or deletion of sRNAs occurred during the evolution of this species. The predicted target genes of the intergenic region sRNAs indicated the possibility of sRNA interaction with several virulence genes including leukotoxin and cytolethal distending toxin. Our results should serve as an important genomic and genetic basis for future studies to fully understand the regulatory network in A. actinomycetemcomitans and provide new insights into the intraspecies variation of the bacterial sRNA repertoire in bacteria. PMID- 29211830 TI - Antibiotic Utilization and the Role of Suspected and Diagnosed Mosquito-borne Illness Among Adults and Children With Acute Febrile Illness in Pune, India. AB - Background: Antibiotic resistance mechanisms originating in low- and middle- income countries are among the most common worldwide. Reducing unnecessary antibiotic use in India, the world's largest antibiotic consumer, is crucial to control antimicrobial resistance globally. Limited data describing factors influencing Indian clinicians to start or stop antibiotics are available. Methods: Febrile adults and children admitted to a public tertiary care hospital in Pune, India, were enrolled. Antibiotic usage and clinical history were recorded. Immunoassays for mosquito-borne disease and bacterial cultures were performed by protocol and clinician-directed testing. Clinical factors were assessed for association with empiric antibiotic initiation and discontinuation by day 5 using multivariable logistic regression and propensity score-matched Cox proportional hazard models. Results: Among 1486 participants, 683 (82%) adults and 614 (94%) children received empiric antibiotics. Participants suspected of having mosquito-borne disease were less likely to receive empiric antibiotics (adjusted odds ratio [AOR], 0.5; 95% confidence interval [CI], .4-.8). Empiric antibiotics were discontinued in 450 (35%) participants by day 5. Dengue or malaria testing performed before day 4 was positive in 162 (12%) participants, and was associated with antibiotic discontinuation (AOR, 1.7; 95% CI, 1.2-2.4). In a propensity score-matched model accounting for admission suspicion of mosquito-borne disease, positive dengue or malaria tests increased hazard of antibiotic discontinuation (hazard ratio, 1.6; 95% CI, 1.2-2.0). Conclusions: Most patients with acute febrile illness in an Indian public hospital setting receive empiric antibiotics. Mosquito-borne disease identification is associated with reduced empiric antibiotic use and faster antibiotic discontinuation. PMID- 29211831 TI - Towards Standardizing the Alcoholism Evaluation Of Potential Liver Transplant Recipients. AB - Aims: For teams around the world, alcoholic liver disease patients comprise the largest, and clinically most controversial, group applying for liver transplant. And yet evaluation decisions for them remain highly variable by locale. Methods: Targeting standardized assessment, we provide guidelines on what information the transplant team should seek, from what sources, and how best to make use of it. This report focuses on 'what to do and how to do it' in providing appropriate assessments for this complex patient group. Results: Proper evaluation includes (a) taking the clinical history from the patient and a required, corroborating third person, (b) assessing patient cognition, (c) establishing alcohol/substance use diagnosis to differentiate alcohol dependence, abuse and polysubstance dependence, (d) assessing ambivalence in primary alcohol addiction, (e) measuring social stability and (f) using Vaillant's factors for abstinence prognosis. Conclusions: Properly applied, these six factors will allow standardized selection in most cases taken across programs despite differences in resources, available expertise and decision practices. Short Summary: This report focuses on the essentials of the psychiatric/behavioral evaluation for 'alcoholic' persons referred for liver transplant. Attention to those essentials offers clinical standardization across transplant programs in different locales. PMID- 29211832 TI - Ultra-low input transcriptomics reveal the spore functional content and phylogenetic affiliations of poorly studied arbuscular mycorrhizal fungi. AB - Arbuscular mycorrhizal fungi (AMF) are a group of soil microorganisms that establish symbioses with the vast majority of land plants. To date, generation of AMF coding information has been limited to model genera that grow well axenically; Rhizoglomus and Gigaspora. Meanwhile, data on the functional gene repertoire of most AMF families is non-existent. Here, we provide primary large scale transcriptome data from eight poorly studied AMF species (Acaulospora morrowiae, Diversispora versiforme, Scutellospora calospora, Racocetra castanea, Paraglomus brasilianum, Ambispora leptoticha, Claroideoglomus claroideum and Funneliformis mosseae) using ultra-low input ribonucleic acid (RNA)-seq approaches. Our analyses reveals that quiescent spores of many AMF species harbour a diverse functional diversity and solidify known evolutionary relationships within the group. Our findings demonstrate that RNA-seq data obtained from low-input RNA are reliable in comparison to conventional RNA-seq experiments. Thus, our methodology can potentially be used to deepen our understanding of fungal microbial function and phylogeny using minute amounts of RNA material. PMID- 29211833 TI - A prospective phase II study of combined androgen blockade in patients with androgen receptor-positive metastatic or locally advanced unresectable salivary gland carcinoma. AB - Background: There is no standard first-line chemotherapy for recurrent/metastatic (RM) or unresectable locally advanced (LA) salivary gland carcinoma (SGC). Patients and methods: We conducted a single institution, open-label, single arm, phase II trial of combined androgen blockade (CAB) for androgen receptor (AR) positive SGC. Leuprorelin acetate was administered subcutaneously at a dose of 3.75 mg every 4 weeks. Bicalutamide was administered orally at a daily dose of 80 mg. Patients were treated until progressive disease or unacceptable toxicities. Results: Thirty-six eligible patients were enrolled. Thirty-three patients had RM disease and three patients had LA disease. The pathological diagnoses were salivary duct carcinoma (34 patients, 94%) and adenocarcinoma, NOS (two patients, 6%). The best overall response rate was 41.7% [n = 15, 95% confidence interval (CI), 25.5%-59.2%], the clinical benefit rate was 75.0% (n = 27, 95% CI, 57.8% 87.9%). The median progression-free survival was 8.8 months (95% CI, 6.3-12.3 months) and the median overall survival was 30.5 months (95% CI, 16.8 months to not reached). Additional analyses between treatment outcomes and clinicopathological factors or biomarkers including AR positivity, human epidermal growth factor receptor 2 status, and its complex downstream signaling pathway gene mutations showed no statistically significant differences. Elevated grade 3 liver transaminases and increased serum creatinine were reported in two patients, respectively. Discontinuation of leuprorelin acetate or bicalutamide due to adverse event occurred in one patient. Conclusion: This study suggests that CAB has equivalent efficacy and less toxicity for patients with AR-positive RM or unresectable LA SGC compared with conventional chemotherapy, which warrants further study. Clinical Trial Registration: UMIN-CTR (http://www.umin.ac.jp/ctr/index-j.htm), identification number: UMIN000005703. PMID- 29211834 TI - Long-term Therapeutic Impact of the Timing of Antiretroviral Therapy in Patients Diagnosed With Primary Human Immunodeficiency Virus Type 1 Infection. AB - Background: We aimed to determine the consequences of delayed human immunodeficiency virus type 1 (HIV-1) infection diagnosis by comparing long-term outcomes depending on the time of combination antiretroviral therapy (cART) initiation in patients diagnosed during primary HIV infection (PHI). Methods: We selected patients from the French National Agency for Research on AIDS and Viral Hepatitis (ANRS) PRIMO cohort, treated for >=36 months, with sustained HIV RNA <50 copies/mL: 77 treated within 1 month following PHI diagnosis (immediate ART) and 73 treated >12 months after infection (deferred ART). We measured inflammatory biomarkers from PHI through the last visit on cART, and CD4+ and CD8+ T-cell activation and plasma ultrasensitive HIV RNA at the last visit. Inflammation/activation levels were compared with those of uninfected controls. We modeled CD4+ count, CD4:CD8 ratio, and HIV DNA dynamics on cART. Results: The decrease of HIV DNA levels was more marked in the immediate than deferred ART group, leading to a sustained mean difference of -0.6 log10 copies/106 peripheral blood mononuclear cells. Immediate ART led to improved CD4+ T-cell counts and CD4:CD8 ratios over the first 4 years of cART. At the last visit (median, 82 months), there was no difference between groups in CD4+ counts, CD4:CD8 ratio, ultrasensitive HIV RNA, or inflammation/activation marker levels. Long-term suppressive cART failed to normalize inflammation levels, which were not associated with immunovirological markers. Conclusions: Antiretroviral therapy initiated during PHI promotes long-term reduction of HIV reservoir size. In patients with sustained virologic suppression, inflammation may be driven by non HIV-related factors. PMID- 29211836 TI - Outbreak of Severe Histoplasmosis Among Tunnel Workers-Dominican Republic, 2015. AB - Background: Histoplasmosis is a fungal infection associated with exposure to bat guano. An outbreak of an unknown severe febrile illness occurred among tunnel workers in the Dominican Republic, and resulted in several deaths. We conducted an investigation to confirm etiology and recommend control measures. Methods: A case was defined as fever and >=2 symptoms consistent with histoplasmosis in a tunnel worker, July-September 2015. We interviewed workers and family members, reviewed medical records, tested serum and urine for Histoplasma antigen/antibody, and conducted a cohort study to identify risk factors for histoplasmosis and severe infection (intensive care). Results: A crew of 36 male workers removed large amounts of bat guano from tunnels without respiratory protection for a median of 24 days per worker (range, 1-25 days). Median age was 32 years (range, 18-62 years); none were immunocompromised. Thirty (83%) workers had illness that met the case definition, of whom 28 (93%) were hospitalized, 9 (30%) required intensive care, 6 (20%) required intubation, and 3 (10%) died. The median time from symptom onset to antifungal treatment was 6 days (range, 1-11 days). Twenty-two of 34 (65%) workers had laboratory evidence of infection. Conclusions: Severe illnesses and death likely resulted from exposure to large inocula of Histoplasma capsulatum spores in an enclosed space, lack of respiratory protection, and delay in recognition and treatment. Clinician education about histoplasmosis, improved laboratory capacity to diagnose fungal infections, and occupational health guidance to protect workers against endemic fungi are recommended in the Dominican Republic. PMID- 29211835 TI - Massive Iatrogenic Outbreak of Human Immunodeficiency Virus Type 1 in Rural Cambodia, 2014-2015. AB - Background: In 2014-2015, 242 individuals aged 2-89 years were newly diagnosed with human immunodeficiency virus type 1 (HIV-1) in Roka, a rural commune in Cambodia. A case-control study attributed the outbreak to unsafe injections. We aimed to reconstruct the likely transmission history of the outbreak. Methods: We assessed in 209 (86.4%) HIV-infected cases the presence of hepatitis C virus (HCV) and hepatitis B virus (HBV). We identified recent infections using antibody (Ab) avidity testing for HIV and HCV. We performed amplification, sequencing, and evolutionary phylogenetic analyses of viral strains. Geographical coordinates and parenteral exposure through medical services provided by an unlicensed healthcare practitioner were obtained from 193 cases and 1499 controls during interviews. Results: Cases were coinfected with HCV (78.5%) and HBV (12.9%). We identified 79 (37.8%) recent (<130 days) HIV infections. Phylogeny of 202 HIV env C2V3 sequences showed a 198-sample CRF01_AE strains cluster, with time to most recent common ancestor (tMRCA) in September 2013 (95% highest posterior density, August 2012-July 2014), and a peak of 15 infections/day in September 2014. Three geospatial HIV hotspots were discernible in Roka and correlated with high exposure to the practitioner (P = .04). Fifty-nine of 153 (38.6%) tested cases showed recent (<180 days) HCV infections. Ninety HCV NS5B sequences formed 3 main clades, 1 containing 34 subtypes 1b with tMRCA in 2012, and 2 with 51 subtypes 6e and tMRCAs in 2002-2003. Conclusions: Unsafe injections in Cambodia most likely led to an explosive iatrogenic spreading of HIV, associated with a long-standing and more genetically diverse HCV propagation. PMID- 29211837 TI - Effect of Ovarian Hormones and Mating Experience on the Preference of Female Mice to Investigate Male Urinary Pheromones. AB - In female mice, the expression of receptive lordosis behavior requires estradiol and progesterone actions in the nervous system; however, the contribution of these hormones to females' motivation to seek out male pheromones is less clear. In an initial experiment, sexually naive ovary-intact female mice preferred to investigate (make nasal contact with) testes-intact male as opposed to estrous female urine, provided they were in vaginal estrus. In a second experiment, groups of sexually naive and mating-experienced, ovariectomized females were tested for urinary pheromone preference first without and then with ovarian hormone replacement. Without hormone replacement, sexually naive ovariectomized females showed no preference for male over female urinary pheromones whereas mating-experienced females preferred to investigate male pheromones. Ovariectomized females in both groups preferred male over female urine after sequential s.c. injections with estradiol benzoate followed 2 days later with progesterone and after prolonged (7 days) exposure to estradiol alone. Our results indicate that in sexually naive female mice estradiol, perhaps aided by progesterone, is required to motivate a preference to seek out male pheromones whereas after mating experience females' preference to investigate male pheromones persists even in the absence of ovarian hormone action. PMID- 29211838 TI - The sensitivity of yeasts and yeasts-like fungi to copper and sulfur could explain lower yeast biodiversity in organic vineyards. AB - Although differences in yeast biodiversity have often been found between vineyards subjected to organic protection or conventional protection, little is known about the effect of copper and sulfur fungicides (the only fungicides allowed in organic farming) on yeast populations. The sensitivity to copper and sulfur of 158 yeast isolates of seven different species (Aureobasidium pullulans, Hanseniaspora guilliermondii, H. uvarum, Metschnikowia sp., Pichia membranifaciens, Saccharomyces cerevisiae and Starmerella bacillaris) was evaluated. The species A. pullulans and St. bacillaris appeared to be more resistant to copper than the other species tested. The species A. pullulans, H. guilliermondii and Metschnikowia sp. had the highest sulfur resistance. Thus, only isolates of the species A. pullulans exhibited high resistance to both antifungal agents. These results may explain the lower diversity of yeasts present on berries and the strong dominance of the species A. pullulans for vineyards protected by copper or sulfur-based fungicides compared to other vineyards reported by several studies. PMID- 29211839 TI - Genomic Loss and Silencing on the Y Chromosomes of Rumex. AB - Across many unrelated lineages of plants and animals, Y chromosomes show a recurrent pattern of gene degeneration and loss, but the relative importance of inefficient selection, adaptive gene silencing, and neutral genetic drift in causing degeneration remain poorly understood. Here, we use next-generation genome and transcriptome sequencing to investigate patterns of ongoing Y chromosome degeneration in two annual plant species of Rumex (Polygonaceae) differing in their degree of degeneration and sex chromosome heteromorphism. We find evidence for both gene loss as well as silencing in these young plant sex chromosomes. Our analyses revealed significantly more gene deletion relative to silencing in R. rothschildianus, which has had a larger nonrecombining region for a longer period than R. hastatulus, consistent with this system being at a more advanced stage of degeneration. Intra- and interspecific comparisons of genomic coverage and heterozygosity indicated that loss of expression precedes gene deletion, implying that the final stages of mutation accumulation and gene loss may often occur neutrally. We found no evidence for adaptive silencing of genes that have lost expression. Our results suggest that the initial spread of deleterious regulatory variants and/or epigenetic silencing may be an important driver of early degeneration of Y chromosomes. PMID- 29211840 TI - Occupational health risks and intervention strategies for US taxi drivers. AB - Research has shown that taxi drivers are at risk for numerous health concerns, such as low back and leg pain, linked to their highly sedentary occupation, long work hours and stressors related to the job (e.g. low income, safety threats). The goal of this study was to explore occupational health risks and opportunities for health interventions with taxi drivers using community-based participatory research (CBPR) methods. A mixed methods approach included first a convenience sample of 19 East African taxi drivers participating in focus group discussions. Second, a convenience sample of 75 current taxi drivers (M age = 45.7 years) and 25 non-driver comparison participants (M age = 40.3 years) were recruited to complete a structured self-reported questionnaire and objective measures of health. Health education was provided alongside the research to address common health concerns and to ensure mutual benefit and an action orientation. The focus groups described numerous health concerns that drivers attributed to their occupation, including chronic pain, sleep deprivation, cardiovascular disease, diabetes, kidney disease and eye problems, as the most common. Participants offered ideas for health interventions that include workplace reform and driver education. Quantitative data indicate that 44% of drivers reported their health as 'fair' or 'poor'. Drivers were more likely to report musculoskeletal pain, less sleep, more fatigue and less physical activity as compared to non-drivers. The majority of drivers reported financial and job dissatisfaction. The research provides data to inform targeted health interventions that support the health and safety of taxi drivers. PMID- 29211841 TI - Perioperative benefit and outcome of thoracic epidural in esophageal surgery: a clinical review. AB - Surgery for esophageal cancer is a highly stressful and painful procedure, and a significant amount of analgesics may be required to eliminate perioperative pain and blunt the stress response to surgery. Proper management of postoperative pain has invariably been shown to reduce the incidence of postoperative complications and accelerate recovery. Neuraxial analgesic techniques after major thoracic and upper abdominal surgery have long been established to reduce respiratory, cardiovascular, metabolic, inflammatory, and neurohormonal complications.The aim of this review is to evaluate and discuss the relevant clinical benefits and outcome, as well as the possibilities and limits of thoracic epidural anesthesia/analgesia (TEA) in the setting of esophageal resections. A comprehensive search of original articles was conducted investigating relevant literature on MEDLINE, Cochrane reviews, Google Scholar, PubMed, and EMBASE from 1985 to July2017. The relationship between TEA and important endpoints such as the quality of postoperative pain control, postoperative respiratory complications, surgical stress-induced immunosuppression, the overall postoperative morbidity, length of hospital stay, and major outcomes has been explored and reported. TEA has proven to enable patients to mobilize faster, cooperate comfortably with respiratory physiotherapists and achieve satisfactory postoperative lung functions more rapidly. The superior analgesia provided by thoracic epidurals compared to that from parenteral opioids may decrease the incidence of ineffective cough, atelectasis and pulmonary infections, while the associated sympathetic block has been shown to enhance bowel blood flow, prevent reductions in gastric conduit perfusion, and reduce the duration of ileus. Epidural anesthesia/analgesia is still commonly used for major 'open' esophageal surgery, and the recognized advantages in this setting are soundly established, in particular as regards the early recovery from anesthesia, the quality of postoperative pain control, and the significantly shorter duration of postoperative mechanical ventilation. However, this technique requires specific technical skills for an optimal conduction and is not devoid of risks, complications, and failures. PMID- 29211843 TI - Sexual activity in patients with left ventricular assist devices and their partners: impact of the device on quality of life, anxiety and depression. AB - OBJECTIVES: Prolonged support with a left ventricular assist device (LVAD) has evolved as an alternative treatment strategy for patients with end-stage heart disease. This requires a shift in focus on sexual activity and psychosocial outcomes in patients with an LVAD and their partners. METHODS: This cross sectional study was designed to capture Sexual Activities in Left Ventricular Assist Device Patients Or PaRtners (SALVADOR) perceptions on illness-related changes in the quality of sexual activity and its impact on quality of life, anxiety and depression using standardized patient-reported outcome scales (Sexual Adjustment Scale, 36-Item Short Form Health Survey, Hospital Anxiety and Depression Scale). A total of 72 patients with LVADs (50% response rate) along with 48 partners participated. RESULTS: For patients with an LVAD (median age 60 years; 84.7% male), median time on the device was 650 days; 69.5% stayed in long term partnerships (median 23 years). Prevalence rates for illness-related changes in the quality of sexual activity were 58.3% for patients and 52.1% for partners. Device-related disturbances in sexual activities occurred due to battery pockets (patients/partners: 59.2%/37.6%; P = 0.006) and the driveline (46.3%/37.5%; P = 0.033) and led to significantly increased distress in patients/partners (battery pockets: 53.5%/41.3%; P = 0.006; driveline 54.9%/37.5%; P = 0.004). Disturbances in sexual activity were independently associated with higher rates of depression (odds ratio 1.33, 95% confidence interval 1.14-1.55; P = 0.001) in patients and lower mental quality of life (odds ratio 6.18, 95% confidence interval 1.13 33.98; P = 0.036) in partners. CONCLUSIONS: Disturbances in sexual activity are common in patients with an LVAD and their partners while the patients are on durable long-term support. Counselling on long-term adjustment should provide a platform for information seeking on illness-related changes in the quality of sexual activity. PMID- 29211842 TI - Maternal age at birth and daughters' subsequent childlessness. AB - STUDY QUESTION: Does maternal age at a daughter's birth predict her subsequent probability of lifelong childlessness? SUMMARY ANSWER: In this study population, women born to older mothers were more likely to be childless. WHAT IS KNOWN ALREADY: Although maternal age at childbearing is increasing in many countries, there is limited evidence on whether being born to older parents may influence offspring fertility. STUDY DESIGN SIZE AND DURATION: This analysis included 43 135 women from the US-based Sister Study, a cohort study of 50 884 sisters of women with breast cancer recruited between 2003 and 2009. PARTICIPANTS/MATERIALS, SETTING, METHODS: Participants had no breast cancer at baseline. Women were included in the analytic sample if they were born between 1930 and 1964 and were at least 44 years old at enrolment. Median age when reproductive history was last ascertained was 63.8 years. We estimated relative risks (RR) and 95% CI of lifelong childlessness as a function of maternal age at birth, using multivariable log-binomial models, including total number of siblings, birth order, socioeconomic indicators of the family of origin, race and birth cohort. We examined the association in different subgroups and in a sibling-matched analysis including 802 sister pairs discordant for childlessness. MAIN RESULTS AND ROLE OF CHANCE: Compared with women born to 20-24-year-old mothers, those born to mothers aged 25-29, 30-34 and >=35 years were more likely to be childless [RR (95% CI): 1.21 (1.14-1.29), 1.30 (1.22-1.39) and 1.40 (1.31-1.50), respectively]. The association was consistent in strata defined by birth cohort, number of siblings, birth order, and participant's educational level, as well as within sister pairs. Overall, we found weak evidence for an independent contribution of paternal age at birth to the daughter's probability of childlessness. LIMITATIONS REASONS FOR CAUTION: All participants had at least one sister, and all information was self-reported. We had no knowledge of whether childlessness was intentional and found only a modest association between maternal age at birth and self-reported indicators of infertility. Still, the association with childlessness was highly consistent. WIDER IMPLICATIONS OF THE FINDING: Given the widespread tendency to delay childbearing, evaluating the influence of maternal age at birth on offspring fertility is a public health priority. STUDY FUNDING/COMPETING INTERESTS: This research was supported in part by the Intramural Research Programme of the NIH, National Institute of Environmental Health Sciences (Z01-ES044005). The authors report no conflict of interest. PMID- 29211844 TI - The association between asthma and type 1 diabetes: a paediatric case-cohort study in Finland, years 1981-2009. AB - Background: The association between asthma and type 1 diabetes, two chronic, immune-mediated diseases, has been of longstanding interest, but the evidence is still conflicting. We examined this association in a large, nationwide case cohort study among Finnish children, using a novel statistical approach. Methods: Among the initial cohort of all children born between 1 January 1981 and 31 December 2008, those who were diagnosed with asthma (n = 81 473) or type 1 diabetes (n = 9541) up to age 16 years by the end of 2009 were identified from the Central Drug Register maintained by the Social Insurance Institution of Finland. A 10% random sample from each initial birth year cohort was selected as a reference cohort (n = 171 138). The association between asthma and type 1 diabetes was studied using a multistate modelling approach to estimate transition rates between healthy and disease states since birth. Hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated to represent the change in the transition rate between the disease states. Results: After adjusting for sex and birth decade, previous diagnosis of asthma increased the risk of subsequent type 1 diabetes by 41% (95% CI: 1.28, 1.54), whereas previous diagnosis of type 1 diabetes decreased the risk of subsequent asthma by 18% (95% CI: 0.69, 0.98). Conclusions: The findings of the present study imply that the association between the diseases is more complex than previously thought, and its direction depends on the sequential appearance of the diseases. PMID- 29211845 TI - Gene deletions leading to a reduction in the number of cyclopentane rings in Sulfolobus acidocaldarius tetraether lipids. AB - The cell membrane of (hyper)thermophilic archaea, including the thermoacidophile Sulfolobus acidocaldarius, incorporates dibiphytanylglycerol tetraether lipids. The hydrophobic cores of such tetraether lipids can include up to eight cyclopentane rings. Presently, nothing is known of the biosynthesis of these rings. In this study, a series of S. acidocaldarius mutants deleted of genes currently annotated as encoding proteins involved in sugar/polysaccharide processing were generated and their glycolipids were considered. Whereas the glycerol-dialkyl-glycerol tetraether core of a S. acidocaldarius tetraether glycolipid considered here mostly includes four cyclopentane rings, in cells where the Saci_0421 or Saci_1201 genes had been deleted, species containing zero, two or four cyclopentane rings were observed. At the same time, in cells lacking Saci_0201, Saci_0275, Saci_1101, Saci_1249 or Saci_1706, lipids containing mostly four cyclopentane rings were detected. Although Saci_0421 and Saci_1201 are not found in proximity to other genes putatively involved in lipid biosynthesis, homologs of these sequences exist in other Archaea containing cyclopentane containing tetraether lipids. Thus, Saci_0421 and Saci_1201 represent the first proteins described that somehow contribute to the appearance of cyclopentane rings in the core moiety of the S. acidocaldarius glycolipid considered here. PMID- 29211846 TI - SLC25A10 biallelic mutations in intractable epileptic encephalopathy with complex I deficiency. AB - Mitochondrial diseases are a plethora of inherited neuromuscular disorders sharing defects in mitochondrial respiration, but largely different from one another for genetic basis and pathogenic mechanism. Whole exome sequencing was performed in a familiar trio (trio-WES) with a child affected by severe epileptic encephalopathy associated with respiratory complex I deficiency and mitochondrial DNA depletion in skeletal muscle. By trio-WES we identified biallelic mutations in SLC25A10, a nuclear gene encoding a member of the mitochondrial carrier family. Genetic and functional analyses conducted on patient fibroblasts showed that SLC25A10 mutations are associated with reduction in RNA quantity and aberrant RNA splicing, and to absence of SLC25A10 protein and its transporting function. The yeast SLC25A10 ortholog knockout strain showed defects in mitochondrial respiration and mitochondrial DNA content, similarly to what observed in the patient skeletal muscle, and growth susceptibility to oxidative stress. Albeit patient fibroblasts were depleted in the main antioxidant molecules NADPH and glutathione, transport assays demonstrated that SLC25A10 is unable to transport glutathione. Here, we report the first recessive mutations of SLC25A10 associated to an inherited severe mitochondrial neurodegenerative disorder. We propose that SLC25A10 loss-of-function causes pathological disarrangements in respiratory-demanding conditions and oxidative stress vulnerability. PMID- 29211848 TI - Cloning and sequence analysis of 10-deacetylbaccatin III-10-O-acetyl transferase gene and WRKY1 transcription factor from taxol-producing endophytic fungus Lasiodiplodia theobromea. AB - In this study, we have isolated an endophytic fungal strain Lasiodiplodia theobromae from non-Taxus host plant Piper nigrum. The strain L. theobromae identity was confirmed by morphological characteristics and internal transcribed spacer sequence analysis. Taxol produced by L. theobromae was observed to be identical to the authentic taxol as analyzed by chromatography and spectroscopy methods. The quantity of taxol produced by the fungus was estimated to be 247 MUg L-1, and fungal taxol showed potent cytotoxic activity towards cancer cell line. Evidence to support the independent production of taxol by L. theobromea, the gene encoding 10-deacetylbacccation-III-O-acetyltransferase (DBAT), as well as, for the first time, open reading frame (ORF) of WRKY1 transcription factor (TF) were cloned and sequenced. The predicted amino sequence of L. theobromae dbat gene shared high homology with the taxol-producing plant and fungal dbat gene. Not only dbat gene, ORF of WRKY1 TF too shared high homology with Taxus chinensis WRKY1 TF ORF. To the best of our knowledge, this is the first report on cloning of dbat gene and its transcription factor from endophytes of non-Taxus host plant. PMID- 29211849 TI - Predictors of trimodality therapy and trends in therapy for malignant pleural mesothelioma. AB - OBJECTIVES: Malignant pleural mesothelioma is an aggressive and rare malignancy that frequently recurs despite aggressive therapy. We evaluated the frequency of treatment with surgery, radiation or chemotherapy, changes in therapy and survival over time and factors associated with the receipt of trimodality therapy. METHODS: The National Cancer Database (NCDB) was used to query patients with histologically proven malignant pleural mesothelioma (2004-14). Treatment over time was evaluated using the Armitage trend test. Factors associated with the receipt of trimodality therapy were analysed using logistic regression. RESULTS: Among 20 561 patients, only 4028 (20%) underwent cancer-directed surgery; 533 (2.6%) of whom received trimodality therapy. From 2004 to 2014, the use of surgery with chemotherapy increased 87% (P < 0.01), with no statistically significant change in the use of trimodality therapy. Median survival also increased from 8 months to 11 months (P < 0.01). Patients who were treated at an academic centre or who travel >26 miles for treatment were more likely to undergo trimodality therapy. Additional factors associated with the receipt of trimodality therapy include age less than 70, Charlson comorbidity score of 0 and presence of private insurance. CONCLUSIONS: Many malignant pleural mesothelioma patients are not treated with trimodality therapy, with significant variation in treatment patterns. Referrals to high-volume and specialized centres may help offer more therapeutic options and trial or registry enrolment. PMID- 29211847 TI - Changes in Neuronal Signaling and Cell Stress Response Pathways are Associated with a Multigenic Response of Drosophila melanogaster to DDT Selection. AB - The adaptation of insect populations to insecticidal control is a continual threat to human health and sustainable agricultural practices, but many complex genomic mechanisms involved in this adaption remain poorly understood. This study applied a systems approach to investigate the interconnections between structural and functional variance in response to dichlorodiphenyltrichloroethane (DDT) within the Drosophila melanogaster strain 91-R. Directional selection in 6 selective sweeps coincided with constitutive gene expression differences in DDT resistant flies, including the most highly upregulated transcript, Unc-115 b, which plays a central role in axon guidance, and the most highly downregulated transcript, the angiopoietin-like CG31832, which is involved in directing vascular branching and dendrite outgrowth but likely may be under trans regulatory control. Direct functions and protein-protein interactions mediated by differentially expressed transcripts control changes in cell migration, signal transduction, and gene regulatory cascades that impact the nervous system. Although changes to cellular stress response pathways involve 8 different cytochrome P450s, stress response, and apoptosis is controlled by a multifacetted regulatory mechanism. These data demonstrate that DDT selection in 91-R may have resulted in genome-wide adaptations that impacts genetic and signal transduction pathways that converge to modify stress response, cell survival, and neurological functions. This study implicates the involvement of a multigenic mechanism in the adaptation to a chemical insecticide, which impact interconnected regulatory cascades. We propose that DDT selection within 91-R might act systemically, wherein pathway interactions function to reinforce the epistatic effects of individual adaptive changes on an additive or nonadditive basis. PMID- 29211850 TI - Sonic Hedgehog and WNT Signaling Promote Adrenal Gland Regeneration in Male Mice. AB - The atrophy and hypofunction of the adrenal cortex following long-term pharmacologic glucocorticoid therapy is a major health problem necessitating chronic glucocorticoid replacement that often prolongs the ultimate return of endogenous adrenocortical function. Underlying this functional recovery is anatomic regeneration, the cellular and molecular mechanisms of which are poorly understood. Investigating the lineage contribution of cortical Sonic hedgehog (Shh)+ progenitor cells and the SHH-responsive capsular Gli1+ cells to the regenerating adrenal cortex, we observed a spatially and temporally bimodal contribution of both cell types to adrenocortical regeneration following cessation of glucocorticoid treatment. First, an early repopulation of the cortex is defined by a marked delamination and expansion of capsular Gli1+ cells, recapitulating the establishment of the capsular-cortical homeostatic niche during embryonic development. This rapid repopulation is promptly cleared from the cortical compartment only to be supplanted by repopulating cortical cells derived from the resident long-term-retained zona glomerulosa Shh+ progenitors. Pharmacologic and genetic dissection of SHH signaling further defines an SHH dependent activation of WNT signaling that supports regeneration of the cortex following long-term glucocorticoid therapy. We define the signaling and lineage relationships that underlie the regeneration process. PMID- 29211851 TI - Cohort Profile: The Heinz C. Prechter Longitudinal Study of Bipolar Disorder. PMID- 29211855 TI - A rabbit model of progressive chronic right ventricular pressure overload. AB - OBJECTIVES: Right ventricular (RV) failure from increased pressure loading is a frequent consequence of acquired and congenital heart diseases. However, the mechanisms involved in their pathophysiology are still unclear, and few data exist on RV pressure-loading models and early versus late effects on RV and left ventricular responses. We characterized a rabbit model of chronic RV pressure overload and early-late effects on biventricular function. METHODS: Twenty-one New Zealand white rabbits were randomized into 3 groups: (i) sham, (ii) pulmonary artery (PA) banding (PAB) for 3 weeks (PAB3W) and (iii) PAB for 6 weeks (PAB6W). Progressive RV pressure overload was created by serial band inflation using an adjustable device. Molecular, echocardiographic and haemodynamic studies were performed. RESULTS: RV pressure overload was achieved with clinical manifestations of RV failure. Heart and liver weights were significantly higher after PAB. PAB-induced echocardiographic ventricular remodelling increased wall thickness and stress and ventricular dilation. Cardiac output (ml/min) (sham 172.4 +/- 42.86 vs PAB3W 103.1 +/- 23.14 vs PAB6W 144 +/- 60.9, P = 0.0027) and systolic and diastolic functions decreased; with increased RV end-systolic and end-diastolic pressures (mmHg) (sham 1.6 +/- 0.66 vs PAB3W 3.9 +/- 1.8 vs PAB6W 5.2 +/- 2.2, P = 0.0103), despite increased contractility [end-systolic pressure volume relationship (mmHg/ml), sham 3.76 +/- 1.76 vs PAB3W 12.21 +/- 3.44 vs PAB6W 19.4 +/- 6.88, P < 0.0001]. Functional parameters further worsened after PAB6W versus PAB3W. LV contractility increased in both the PAB groups, despite worsening of other invasive measures of systolic and diastolic functions. CONCLUSIONS: We describe a novel, unique model of chronic RV pressure overload leading to early biventricular dysfunction and fibrosis with further progression at 6 weeks. These findings can aid in guiding management. PMID- 29211852 TI - Migration-Selection Balance Drives Genetic Differentiation in Genes Associated with High-Altitude Function in the Speckled Teal (Anas flavirostris) in the Andes. AB - Local adaptation frequently occurs across populations as a result of migration selection balance between divergent selective pressures and gene flow associated with life in heterogeneous landscapes. Studying the effects of selection and gene flow on the adaptation process can be achieved in systems that have recently colonized extreme environments. This study utilizes an endemic South American duck species, the speckled teal (Anas flavirostris), which has both high- and low altitude populations. High-altitude speckled teal (A. f. oxyptera) are locally adapted to the Andean environment and mostly allopatric from low-altitude birds (A. f. flavirostris); however, there is occasional gene flow across altitudinal gradients. In this study, we used next-generation sequencing to explore genetic patterns associated with high-altitude adaptation in speckled teal populations, as well as the extent to which the balance between selection and migration have affected genetic architecture. We identified a set of loci with allele frequencies strongly correlated with altitude, including those involved in the insulin-like signaling pathway, bone morphogenesis, oxidative phosphorylation, responders to hypoxia-induced DNA damage, and feedback loops to the hypoxia inducible factor pathway. These same outlier loci were found to have depressed gene flow estimates, as well as being highly concentrated on the Z-chromosome. Our results suggest a multifactorial response to life at high altitudes through an array of interconnected pathways that are likely under positive selection and whose genetic components seem to be providing an effective genomic barrier to interbreeding, potentially functioning as an avenue for population divergence and speciation. PMID- 29211854 TI - Matrix metalloproteinase-9 might affect adaptive immunity in non-ST segment elevation acute coronary syndromes by increasing CD31 cleavage on CD4+ T-cells. AB - Aims: In patients with acute coronary syndrome (ACS), the higher activity of effector T-cells suggests that mechanisms involving adaptive immunity dysregulation might play a role in coronary instability. The shedding of the functional CD31 domain 1-5 leads to uncontrolled lymphocyte activation. In experimental models, matrix metalloproteinase-9 (MMP-9) has been implicated in endothelial CD31 cleavage. Interestingly, higher serum levels of MMP-9 have been observed in ACS. We aim to investigate the mechanisms underlying CD31 dysregulation in ACS. Methods and results: To assess CD31 cleavage on CD4+ T cells, we analysed by flow cytometry CD4+ T-cells of 30 ACS, 25 stable angina (SA) patients, and 28 controls (CTRL) using two different CD31 antibodies that specifically recognize domain 1-5 or the non-functional membrane-proximal domain 6. The ratio between the domains was significantly lower in ACS than in SA and CTRL (P = 0.002 ACS vs. SA; P = 0.002 ACS vs. CTRL). After stimulation with anti CD3/CD28, the 1-5/6 domain ratio was significantly lower in ACS than in SA (P = 0.005). ELISA of supernatants obtained from T-cell receptor-stimulated CD4+ T cells showed higher production of MMP-9 in ACS than in SA (P < 0.001). CD31 domain 1-5 expression in activated CD4+ T-cells from ACS patients increased after treatment with a specific MMP-9 inhibitor (P = 0.042). Conclusion: Our study suggest that enhanced MMP-9 release plays a key role in determining the cleavage and shedding of the functional CD31 domain 1-5 in CD4+ T-cells of ACS patients. This mechanism might represent an important therapeutic target to modulate T-cell dysregulation in ACS. PMID- 29211853 TI - Nrf2 Deficiency Upregulates Intrarenal Angiotensin-Converting Enzyme-2 and Angiotensin 1-7 Receptor Expression and Attenuates Hypertension and Nephropathy in Diabetic Mice. AB - We investigated the role of nuclear factor erythroid 2-related factor 2 (Nrf2) in renin-angiotensin system (RAS) gene expression in renal proximal tubule cells (RPTCs) and in the development of systemic hypertension and kidney injury in diabetic Akita mice. We used adult male Akita Nrf2 knockout mice and Akita mice treated with trigonelline (an Nrf2 inhibitor) or oltipraz (an Nrf2 activator). We also examined rat immortalized RPTCs (IRPTCs) stably transfected with control plasmids or plasmids containing rat angiotensinogen (Agt), angiotensin-converting enzyme (ACE), angiotensin-converting enzyme-2 (Ace2), or angiotensin 1-7 (Ang 1 7) receptor (MasR) gene promoters. Genetic deletion of Nrf2 or pharmacological inhibition of Nrf2 in Akita mice attenuated hypertension, renal injury, tubulointerstitial fibrosis, and the urinary albumin/creatinine ratio. Furthermore, loss of Nrf2 upregulated RPTC Ace2 and MasR expression, increased urinary Ang 1-7 levels, and downregulated expression of Agt, ACE, and profibrotic genes in Akita mice. In cultured IRPTCs, Nrf2 small interfering RNA transfection or trigonelline treatment prevented high glucose stimulation of Nrf2 nuclear translocation, Agt, and ACE transcription with augmentation of Ace2 and MasR transcription, which was reversed by oltipraz. These data identify a mechanism, Nrf2-mediated stimulation of intrarenal RAS gene expression, by which chronic hyperglycemia induces hypertension and renal injury in diabetes. PMID- 29211856 TI - Long-term mortality in patients with atrial septal defect: a nationwide cohort study. AB - Aims: In this nationwide cohort of atrial septal defect (ASD) patients, the largest to date, we report the longest follow-up time with and without closure in childhood and adulthood compared with a general population cohort. Methods and results: Using population-based registries, we included Danish individuals born before 1994 who received an ASD diagnosis between 1959 and 2013. All diagnoses were subsequently validated (n = 2277). Using the Kaplan-Meier estimates and Cox proportional hazards regression adjusted for sex, birth year, and a modified Charlson Comorbidity Index, we compared the mortality of ASD patients with that of a birth year and sex matched general population cohort. The median follow-up from ASD diagnosis was 18.1 years (range 1-53 years). Patients with ASD had a higher mortality [adjusted hazard ratio (HR): 1.7; 95% confidence interval (CI): 1.5-1.9] compared with the general population cohort. The adjusted HR 30 days after closure was 1.4 (95% CI: 1.2-1.7), and it was 2.4 (95% CI: 2.0-2.9) for patients without closure. Conclusion: Overall, ASD patients had a higher long term mortality than a general population cohort matched on birth year and gender. Our data indicate a lower relative mortality of those ASD patients undergoing closure than the ASD patients not undergoing closure. PMID- 29211857 TI - PulmOnary vein isolation With vs. without continued antiarrhythmic Drug trEatment in subjects with Recurrent Atrial Fibrillation (POWDER AF): results from a multicentre randomized trial. AB - Aims: Catheter ablation is indicated in patients with symptomatic paroxysmal atrial fibrillation (AF) resistant to antiarrhythmic drug therapy (ADT). We investigated whether continued use of previously ineffective ADT beyond the post ablation blanking period reduces recurrence of atrial tachyarrhythmia within the 1st year after ablation. Methods and results: This was a multicentre, randomized controlled study in patients undergoing contact force-guided pulmonary vein isolation (PVI) for paroxysmal AF in whom previously ineffective ADT was continued during a blanking period of 3 months. If free of AF at the end of the blanking period, patients were randomly assigned in the ratio of 1:1 to continue ADT (ADT ON group, n = 77) or discontinue ADT (ADT OFF group, n = 76). Patients were followed up until 1 year after PVI, with clinical visits, Holter monitoring, and quality-of-life (QOL) questionnaires at 6 and 12 months post-procedure. Analysis of the primary endpoint (any documented atrial tachyarrhythmia lasting >30 s) was performed according to the modified intention-to-treat principle. Secondary endpoints included repeat ablation, unscheduled visits, and QOL score. Baseline clinical characteristics and initial ablation procedure characteristics were comparable between both groups. Three patients were lost to follow-up in each arm. The primary endpoint was observed in 2 of 74 (2.7%) patients in the ADT ON group vs. 16 of 73 (21.9%) patients in the ADT OFF group (P < 0.001). The ADT ON group had a lower rate of repeat ablation [1.4% vs. 19.2%, hazard ratio (HR) = 0.053; 95% confidence interval (CI) 0.007-0.399; P < 0.01) and less unscheduled arrhythmia-related health care visits (2.7% vs. 20.5%, HR = 0.055, 95% CI 0.007 0.410; P < 0.01). Quality-of-life scores were similar in both groups. Conclusion: In patients free of AF at the end of 3 months of post-ablation blanking period, continued use of previously ineffective ADT significantly reduces the recurrence of atrial tachyarrhythmia in the 1st year after PVI. PMID- 29211858 TI - Iohexol plasma clearance simplified by dried blood spot testing. AB - Background: Renal function can be estimated with formulas, which are inaccurate, or measured with gold standard methods, which are reliable but unpractical. We propose to simplify the plasma clearance of iohexol, a gold standard method to measure renal function, by dried blood spot (DBS) testing. Methods: We compared glomerular filtration rate (GFR) values assessed by DBS and the reference plasma analysis technique. We tested in vitro the agreement between non-volumetric and volumetric DBS with the reference technique. Then, we performed a clinical validation in vivo between volumetric DBS and plasma analysis in 203 patients. The agreement was evaluated with the concordance correlation coefficient (CCC), the total deviation index (TDI) and the coverage probability. We defined acceptable agreement as a TDI <10%. Results: In the in vitro studies, the non volumetric DBS showed moderate agreement, TDI = 26.0%, while the volumetric method showed better but insufficient agreement, TDI = 13.0%, with the reference method in plasma. The non-volumetric DBS was rejected. To improve the agreement of the volumetric DBS, iopamidol was used as an internal standard. This method showed acceptable agreement, TDI = 9.0% with the analysis in plasma, and was selected as the definitive DBS method. In the in vivo studies, the agreement between the final DBS method and the reference technique was acceptable: TDI = 9.5%. This indicates that 90% of the GFR values ranged from -9.5% to + 9.5% compared with the reference method. Conclusions: We simplified the plasma clearance of iohexol using DBS without losing accuracy and precision with respect to the reference technique. This may facilitate the use of a reliable determination of renal function to the medical community. PMID- 29211859 TI - Transformation asymmetry and the evolution of the bacterial accessory genome. AB - Bacterial transformation can insert or delete genomic islands (GIs), depending on the donor and recipient genotypes, if an homologous recombination spans the GI's integration site and includes sufficiently long flanking homologous arms. Combining mathematical models of recombination with experiments using pneumococci found GI insertion rates declined geometrically with the GI's size. The decrease in acquisition frequency with length (1.08x10-3 bp-1) was higher than a previous estimate of the analogous rate at which core genome recombinations terminated. Although most efficient for shorter GIs, transformation-mediated deletion frequencies did not vary consistently with GI length, with removal of 10 kb GIs approximately 50% as efficient as acquisition of base substitutions. Fragments of two kilobases, typical of transformation event sizes, could drive all these deletions independent of island length. The strong asymmetry of transformation, and its capacity to efficiently remove GIs, suggests non-mobile accessory loci will decline in frequency without preservation by selection. PMID- 29211860 TI - Changes in the epigenome and transcriptome of the poplar shoot apical meristem in response to water availability affect preferentially hormone pathways. AB - The adaptive capacity of long-lived organisms such as trees to the predicted climate changes, including severe and successive drought episodes, will depend on the presence of genetic diversity and phenotypic plasticity. Here, the involvement of epigenetic mechanisms in phenotypic plasticity toward soil water availability was examined in Populus*euramericana. This work aimed at characterizing (i) the transcriptome plasticity, (ii) the genome-wide plasticity of DNA methylation, and (iii) the function of genes affected by a drought rewatering cycle in the shoot apical meristem. Using microarray chips, differentially expressed genes (DEGs) and differentially methylated regions (DMRs) were identified for each water regime. The rewatering condition was associated with the highest variations of both gene expression and DNA methylation. Changes in methylation were observed particularly in the body of expressed genes and to a lesser extent in transposable elements. Together, DEGs and DMRs were significantly enriched in genes related to phytohormone metabolism or signaling pathways. Altogether, shoot apical meristem responses to changes in water availability involved coordinated variations in DNA methylation, as well as in gene expression, with a specific targeting of genes involved in hormone pathways, a factor that may enable phenotypic plasticity. PMID- 29211862 TI - Reply to Magreault et al. PMID- 29211861 TI - Spontaneous Microguidewire Extrusion From the Foot Following Cerebral Aneurysm Treatment: First Case Report. AB - BACKGROUND AND IMPORTANCE: Microguidewire entrapment and failure related to endovascular therapy is a rare complication with limited case reports available, most of which are from cardiac endovascular intervention. Migration of the microguidewire has been reported in coronary intervention with some resulting in severe complications, but there are no reported cases of spontaneous extrusion of wire fragment following a neurointerventional procedure. We report the first case of a microguidewire entrapment with subsequent fracture, followed by spontaneous extrusion of the wire fragment. CLINICAL PRESENTATION: A 40-yr-old woman was admitted for an elective flow-diversion stent treatment of an unruptured paraophthalamic aneurysm. Microguidewire entrapment occurred during an attempted balloon-aided dilatation of the partially opened stent. Careful attempts failed to retrieve the wire; hence, the decision was made to leave it behind. She presented to her family doctor 6 mo later with spontaneous extrusion of a 60-cm fragment of the retained wire, from her heel ipsilateral to the femoral puncture site. This had not resulted in any further vascular or non-vascular complications. CONCLUSION: Fracture with extrusion is a potential consequence of a retained microguidewires. While this is an extremely rare complication, it is important to alert clinicians and patient about the possibility of wire migration and extrusion. Early follow-up with clinical assessment, and targeted imaging should lead to identification of this occurrence. PMID- 29211864 TI - Right Retrosigmoid Presigmoid Transpetrosal Approach for Resection of Pontine Cavernoma: 2-Dimensional Operative Video. PMID- 29211863 TI - High Serum TSH Level Is Associated With Progression of Papillary Thyroid Microcarcinoma During Active Surveillance. AB - Objective: Thyroid-stimulating hormone (TSH) is a growth factor affecting initiation or progression of papillary thyroid cancer (PTC), which supports TSH suppressive therapy in patients with PTC. In patients with papillary thyroid microcarcinoma (PTMC) during active surveillance, however, the association between serum TSH level and growth of PTMC has not been demonstrated. Patients: We analyzed 127 PTMCs in 126 patients under active surveillance with serial serum TSH measurement and ultrasonography. Design: The patients were categorized into groups with the highest, middle, and lowest time-weighted average of TSH (TW TSH). PTMC progression was defined as a volume increase of >=50% compared with baseline. Kaplan-Meier survival analysis according to TW-TSH groups and Cox proportional hazard modeling was performed. We identified the cutoff point for TSH level by using maximally selected log-rank statistics. Results: During a median follow-up of 26 months, PTMC progression was detected in 28 (19.8%) patients. Compared with the lowest TW-TSH group, the adjusted hazard ratio (HR) for PTMC progression in the highest TW-TSH group was significantly higher [HR 3.55; 95% confidence interval (CI), 1.22 to 10.28; P = 0.020], but that in the middle TW-TSH group was not (HR 1.52; 95% CI, 0.46 to 5.08; P = 0.489). The cutoff point for the serum TSH level for PTMC progression was 2.50 mU/L. Conclusions: Sustained elevation of serum TSH levels during active surveillance is associated with PTMC progression. Maintaining a low-normal TSH range with levothyroxine treatment during active surveillance of PTMC might be considered in future studies. PMID- 29211865 TI - The Impact of Diffusion Tensor Imaging Fiber Tracking of the Corticospinal Tract Based on Navigated Transcranial Magnetic Stimulation on Surgery of Motor-Eloquent Brain Lesions. AB - BACKGROUND: Navigated transcranial magnetic stimulation (nTMS) enables preoperative mapping of the motor cortex (M1). The combination of nTMS with diffusion tensor imaging fiber tracking (DTI-FT) of the corticospinal tract (CST) has been described; however, its impact on surgery of motor-eloquent lesions has not been addressed. OBJECTIVE: To analyze the impact of nTMS-based mapping on surgery of motor-eloquent lesions. METHODS: In this retrospective case-control study, we reviewed the data of patients operated for suspected motor-eloquent lesions between 2012 and 2015. The patients underwent nTMS mapping of M1 and, from 2014, nTMS-based DTI-FT of the CST. The impact on the preoperative risk/benefit analysis, surgical strategy, craniotomy size, extent of resection (EOR), and outcome were compared with a control group. RESULTS: We included 35 patients who underwent nTMS mapping of M1 (group A), 35 patients who also underwent nTMS-based DTI-FT of the CST (group B), and a control group composed of 35 patients treated without nTMS (group C). The patients in groups A and B received smaller craniotomies (P = .01; P = .001), had less postoperative seizures (P = .02), and a better postoperative motor performance (P = .04) and Karnofsky Performance Status (P = .009) than the controls. Group B exhibited an improved risk/benefit analysis (P = .006), an increased EOR of nTMS-negative lesions in absence of preoperative motor deficits (P = .01), and less motor and Karnofsky Performance Status worsening in case of preoperative motor deficits (P = .02, P = .03) than group A. CONCLUSION: nTMS-based mapping enables a tailored surgical approach for motor-eloquent lesions. It may improve the risk/benefit analysis, EOR and outcome, particularly when nTMS-based DTI-FT is performed. PMID- 29211866 TI - Association of Urinary Citrate With Acid-Base Status, Bone Resorption, and Calcium Excretion in Older Men and Women. AB - Context: Elevated urine net acid excretion (NAE), indicative of subclinical metabolic acidosis, has been associated with higher bone turnover. Urine citrate, which is a common clinical measure, changes in response to acid-base status but its association with bone turnover is uncertain. Objective: We evaluated the association between change in urine citrate and change in bone turnover and calcium excretion. Design, Intervention, and Participants: A total of 233 healthy men and women >=60 years old were randomly assigned to 1.0 mmol/kg/d potassium bicarbonate (KHCO3), 1.5 mmol/kg/d KHCO3, or placebo for 84 days. Outcome Measures: Urine citrate, NAE, N-telopeptide of collagen type-I (NTX), calcium excretion, and serum amino-terminal propeptide of type 1 procollagen (P1NP) were measured before and after intervention. Results: Urine citrate increased dose dependently after KHCO3 supplementation (P trend < 0.001). The urine citrate change was significantly inversely associated with P1NP change (P = 0.021) but not with change in NTX (P = 0.051) or calcium excretion (P = 0.652). The NAE change was positively associated with change in NTX and calcium excretion (P <= 0.003) but not with change in P1NP (P = 0.051). When the urine citrate change and NAE change were included in the same model, the urine citrate change was not associated with change in NTX, calcium excretion, or serum P1NP (P >= 0.086), whereas change in NAE remained associated with change in NTX and calcium excretion (P <= 0.003). Conclusion: Urine citrate may not be a suitable alternative to NAE when assessing acid-base status in relation to bone turnover in older adults. PMID- 29211868 TI - In Reply: Contralateral Anterior Interhemispheric Approach to Medial Frontal Arteriovenous Malformations: Surgical Technique and Results. PMID- 29211867 TI - Effects of corn dried distillers' grains with solubles on performance, egg quality, yolk fatty acid composition and oxidative status in laying ducks. AB - The study investigated the effects of increasing content of corn distillers' dried grains with solubles (DDGS) in the diets of laying ducks on oxidative status, laying performance, egg quality, and egg yolk fatty acid composition. Longyan females (1080) with similar BW at 17 wk of age were randomly assigned to 6 treatment groups, each consisting of 6 replicates of 30 birds. The basal diet (I) was a typical corn-soybean ration while the experimental diets (II to VI) substituted corn DDGS for soybean meal and wheat bran and a small reduction of corn. The level of substitution in diets (II to VI) was 6%, 12%, 18%, 24% and 30%. The experiment lasted for 18 wk. Average egg weight decreased linearly as the level of corn DDGS inclusion increased (P < 0.001). Haugh unit, albumen weight, and proportion declined as linear responses to corn DDGS substitution (P < 0.05), but yolk color linearly increased (P < 0.001); the proportions of oleic (C18:1) and total monounsaturated fatty acids in egg yolk linearly decreased with increasing corn DDGS and many of the key polyunsaturated fatty acids (PUFAs) like linoleic (C18:2n-6), arachidonic (C20:4n-6) and alpha-linolenic (C18:3n-3) acids linearly increased (P < 0.001), but not those of eicosapentaenoic (C20:5n-3) and docoshexaenoic (C22:6n-3) acids. The PUFAs n-6/n-3 ratio linearly increased with increasing corn DDGS level (P < 0.001). Increasing corn DDGS linearly increased hepatic expression of GPX1, HO-1, and Nrf2 and hepatic activity of GSH-Px and the liver content of MDA (P < 0.001). There were no treatment effects on egg production, egg mass, feed conversion ratio, eggshell thickness, strength, and yolk cholesterol content (P > 0.05). In conclusion, the current study indicates that the use of corn DDGS is possible as a replacement, primarily for soybean meal at levels up to 18% in the diets of laying ducks without affecting laying performance, egg quality, and antioxidant status. Increasing amounts of corn DDGS linearly increased egg yolk concentrations of key fatty acids like like C18:2n-6 and C18:3n-3 and the antioxidant enzyme activity of GSH-Px through the Nrf2 pathway to avoid oxidative stress. PMID- 29211869 TI - The Dark Side of Light Traps. AB - Light-baited suction traps are one of the most widely used tools for vector surveillance. Their popularity stems from ease of use even in remote locations, range and abundance of species caught, and low cost. The availability of smaller, portable models, like the CDC miniature light trap, have further increased their ubiquity in entomological field studies. However, when researchers have looked, light trap collections are usually biased in ways that may affect data interpretation for epidemiological studies. If used alone, light traps may fail to collect important or infected vectors, and light traps are inefficient or ineffective when competing ambient light is present. In this article, we discuss these biases and limitations in terms of their effect on collection efficiency, population data, and pathogen detection. While light trap data certainly have a purpose, an over-reliance on light trapping risks drawing false conclusions about vector populations and vector-borne disease epidemiology. These concerns are especially troubling when light trap data are used to inform policy decisions meant to protect human and animal health. Particularly when a species' response to light is unknown or poorly characterized, light traps should be used in conjunction with supplemental sampling methods. Researchers conducting vector surveillance field studies should carefully consider their study design and objectives when deciding on a trapping method or methods, and specifically endeavor to understand the limitations of their data. Only then can researchers take advantage of the best attributes of light traps while avoiding their dark side. PMID- 29211870 TI - Osteonecrosis of the Jaw and Rebound Hypercalcemia in Young People Treated With Denosumab for Giant Cell Tumor of Bone. AB - Context: Denosumab, an inhibitor of receptor activator of nuclear factor kappa-B ligand, is an approved treatment of giant cell tumor of bone (GCTB) in adults and "skeletally mature" adolescents. Safety concerns include oversuppression of bone remodelling, with risk of osteonecrosis of the jaw (ONJ) and atypical femur fractures during treatment in adults and rebound hypercalcemia after treatment cessation in children. To date, ONJ has never been reported in children or adolescents. Objectives: To describe serious adverse effects during and following high-dose denosumab therapy in GCTB patients. Patients: Two adolescents (14 and 15 years) and a young adult (40 years) received fixed-dose denosumab for GCTB for 1.3 to 4 years (cumulative dose, 47 to 98 mg/kg), which was stopped because of development of ONJ in one adolescent and bilateral femoral cortical stress reactions in the young adult. All three patients developed rebound hypercalcemia with acute kidney injury 5.5 to 7 months after denosumab cessation. Results: The ONJ necessitated surgical debridement. Rebound hypercalcemia (serum calcium, 3.1 to 4.3 mmol/L) was unresponsive to hyperhydration alone, requiring repeated doses of calcitonin or intravenous bisphosphonate treatment. Hypercalcemia recurred in two patients within 4 weeks, with normal serum calcium profiles thereafter. All patients were naive to chemotherapy, radiotherapy, bisphosphonates, and corticosteroids and were metastases free, confirming the causative role of denosumab in these complications. Conclusion: These suppression-release effects of high-dose denosumab on bone remodeling raise questions about safety of fixed dosing and treatment duration. In young people, weight-adjusted dosing and safety monitoring during and after antiresorptive therapy is required. PMID- 29211872 TI - Misplacement of Stent Into Epidural Venous Plexus With Resultant Cauda Equina Syndrome and Open Surgical Treatment: A Case Report. AB - BACKGROUND AND IMPORTANCE: Endovascular therapy has proven to be a safe, minimally invasive treatment for multiple etiologies, but proper precautions must be taken to avoid complications. When complications occur, they should be promptly identified and corrected when possible. This case report describes endovascular stents misplaced into the epidural spinous venous plexus rather than the iliofemoral arteries, causing cauda equina syndrome, as well as the spinal procedure performed to treat the resulting spinal canal compression. CLINICAL PRESENTATION: A 67-yr-old man had undergone what he thought was iliofemoral arterial stenting at an outside hospital for peripheral vascular disease. He presented 8 d later to our hospital with cauda equina syndrome comprising back pain, right L5 radiculopathy, perianal numbness, urinary retention, and constipation. Scans demonstrated stents deployed into the venous system, traversing the spinal canal and the right L5-S1 neural foramen, resulting in severe spinal canal stenosis, right L5-S1 foraminal stenosis, and moderate left S1-S2 foraminal stenosis. The patient underwent an L5-S1 laminectomy with full right L5-S1 facetectomy and left S1-S2 medial facetectomy, with associated L5-S1 posterolateral fusion with fixation to remove the stent and decompress the neural elements. CONCLUSION: Although stent misplacement is an uncommon complication of endovascular therapy, this case demonstrates the importance of ensuring access to the proper vessel before stent placement. Once this complication was recognized, safe removal of the stents was possible and the patient demonstrated meaningful postoperative improvement in symptoms and strength. PMID- 29211871 TI - Pramlintide but Not Liraglutide Suppresses Meal-Stimulated Glucagon Responses in Type 1 Diabetes. AB - Context: Postprandial hyperglycemia remains a challenge in type 1 diabetes (T1D) due, in part, to dysregulated increases in plasma glucagon levels after meals. Objective: This study was undertaken to examine whether 3 to 4 weeks of therapy with pramlintide or liraglutide might help to blunt postprandial hyperglycemia in T1D by suppressing plasma glucagon responses to mixed-meal feedings. Design: Two parallel studies were conducted in which participants underwent mixed-meal tolerance tests (MMTTs) without premeal bolus insulin administration before and after 3 to 4 weeks of treatment with either pramlintide (8 participants aged 20 +/- 3 years, hemoglobin A1c 6.9 +/- 0.5%) or liraglutide (10 participants aged 22 +/- 3 years, hemoglobin A1c 7.6 +/- 0.9%). Results: Compared with pretreatment responses to the MMTT, treatment with pramlintide reduced the peak increment in glucagon from 32 +/- 16 to 23 +/- 12 pg/mL (P < 0.02). In addition, the incremental area under the plasma glucagon curve from 0 to 120 minutes dropped from 1988 +/- 590 to 737 +/- 577 pg/mL/min (P < 0.001), which was accompanied by a similar reduction in the meal-stimulated increase in the plasma glucose curve from 11,963 +/- 1424 mg/dL/min pretreatment vs 2493 +/- 1854 mg/dL/min after treatment (P < 0.01). In contrast, treatment with liraglutide had no effect on plasma glucagon and glucose responses during the MMTT. Conclusions: Adjunctive treatment with pramlintide may provide an effective means to blunt postmeal hyperglycemia in T1D by suppressing dysregulated plasma glucagon responses. In contrast, plasma glucose and glucagon responses were unchanged after 3 to 4 weeks of treatment with liraglutide. PMID- 29211873 TI - Association Between Sporadic Legionellosis and River Systems in Connecticut. AB - Background: There has been a dramatic increase in the incidence of sporadic legionnaires' disease in Connecticut since 1999, but the exact reasons for this are unknown. Therefore, there is a growing need to understand the drivers of legionnaires' disease in the community. In this study, we explored the relationship between the natural environment and the spatial and temporal distribution of legionellosis cases in Connecticut. Methods: We used spatial models and time series methods to evaluate factors associated with the increase and clustering of legionellosis in Connecticut. Stream flow, proximity to rivers, and residence in regional watersheds were explored as novel predictors of disease, while controlling for testing intensity and correlates of urbanization. Results: In Connecticut, legionellosis incidence exhibited a strong pattern of spatial clustering. Proximity to several rivers and residence in the corresponding watersheds were associated with increased incidence of the disease. Elevated rainfall and stream flow rate were associated with increases in incidence 2 weeks later. Conclusions: We identified a novel relationship between the natural aquatic environment and the spatial distribution of sporadic cases of legionellosis. These results suggest that natural environmental reservoirs may have a greater influence on the spatial distribution of sporadic legionellosis cases than previously thought. PMID- 29211874 TI - Prevalence, Incidence, and Clearance of Anal High-Risk Human Papillomavirus Infection Among HIV-Infected Men in the SUN Study. AB - Background: The natural history of anal human papilloma virus (HPV) infection among human immunodeficiency virus (HIV)-infected men is unknown. Methods: Annually, from 2004 to 2012, we examined baseline prevalence, incidence, and clearance of anal HPV infection at 48 months, and associated factors among HIV infected men. Results: We examined 403 men who have sex with men (MSM) and 96 men who have sex with women (MSW) (median age 42 years for both, 78% versus 81% prescribed cART, median CD4+ T-lymphocyte cell count 454 versus 379 cells/mm3, and 74% versus 75% had undetectable viral load, respectively). Type 16 prevalence among MSM and MSW was 38% versus 14% (P < .001), and incidence 24% versus 7% (P = .001). Type 18 prevalence was 24% versus 8% (P < .001), and incidence 13% versus 4% (P = .027). Among MSM and MSW, clearance of prevalent HPV 16 and HPV 18 was 31% and 60% (P = .392), and 47% and 25% (P = .297), respectively. Among MSM, receptive anal sex (with or without a condom) was associated with persistent HPV 16 (OR 2.24, P < .001). Conclusions: MSM had higher prevalence and incidence of HPV than MSW, but similar clearance. Receptive anal sex may predict cancer risk among HIV-infected MSM. PMID- 29211875 TI - The safety and efficacy of radiofrequency ablation following endoscopic submucosal dissection for Barrett's neoplasia. AB - The current standard of treating early Barrett's neoplasia is resection of visible lesions using endoscopic mucosal resection (EMR) followed by ablative therapy to the Barrett's segment. There is increasing evidence to support the use of endoscopic submucosal dissection (ESD) where en-bloc resection and lower recurrence rates may be achieved. However, ESD is associated with deep submucosal dissection when compared to EMR. This may increase the risk of complications including stricture formation with subsequent radiofrequency ablation (RFA) therapy. The aim of this study is to compare the safety and efficacy of RFA following EMR and ESD as well as when RFA was used without prior endoscopic resection. The primary outcome measure was complication rates. Clearance of dysplasia (CRD) and clearance of intestinal metaplasia (CRIM) were secondary outcomes. A retrospective analysis of a cohort of 91 patients referred for RFA from a single academic tertiary center was performed. The choice of endoscopic resection method was tailored according to the lesion type and morphology. Focal and circumferential ablation was performed after initial follow up endoscopy postresection. Patients proceeded straight to RFA in the absence of any visible lesions. In this study, the ESD group had a higher proportion of cancers compared to the EMR cohort (74.1% vs. 30.2%, P < 0.01) prior to RFA. All complications post RFA occurred in the groups with previous endoscopic resection. There was no significant difference in the total complication rate (7.4% vs. 9.3%, P = 0.78) and stricture formation rate (3.7% vs. 9.3%, P = 0.38) between the ESD and EMR groups. CRD was achieved in 96.3% in the ESD group, 88.4% in the EMR group, and all patients in the RFA alone group. CRIM rates were similar in the EMR and ESD groups (81.4% vs. 85.2%) but higher in the RFA alone group (90.5%). In conclusion, RFA following ESD is very effective and not associated with an increased risk of complications compared to EMR. This supports the application of RFA in the treatment algorithm of patients undergoing ESD for Barrett's neoplasia. PMID- 29211876 TI - Interplay between FMRP and lncRNA TUG1 regulates axonal development through mediating SnoN-Ccd1 pathway. AB - LncRNAs have recently emerged to influence the pathogenesis of fragile X syndrome (FXS), which is caused by the functional loss of fragile X mental retardation protein (FMRP). However, the interaction between FMRP and lncRNAs on regulating neuronal development remains elusive. Here, we reported that FMRP directly interacted with lncRNA TUG1, and decreased its stability. Furthermore, TUG1 bond to transcriptional regulator, SnoN, and negatively modulated SnoN-Ccd1 pathway to specifically control axonal development. These observations suggested interplay between FMRP and lncRNAs might contribute to the pathogenesis of FXS. PMID- 29211878 TI - Normal reference values of multilayer longitudinal strain according to age decades in a healthy population: A single-centre experience. AB - Aims: Recent advancements in echocardiographic technology allow to analyse myocardial strain in multiple layers. Little is known about the impact of age on layer-specific longitudinal strain in healthy subjects. The aim of this study was to analyse the influence of age on multilayer longitudinal strain and establish normal reference values of layer-specific strain according to age decades in a healthy population referring to our echo laboratory using 2D speckle-tracking echocardiography with layer-specific software. Methods and results: Two-hundred sixty-six healthy, consecutive subjects (mean age = 39.2 +/- 17.5 years, women/men = 137/129), free of cardiovascular risk factors, were enrolled. Subjects were divided according to six age decades: 10-19, 20-29, 30-39, 40-49, 50-59, >60 years. All subjects underwent a complete echo Doppler examination including quantitation of 2D global longitudinal strain (GLS). Subendocardial longitudinal strain (LSsubendo), subepicardial longitudinal strain (LSsubepi), and strain gradient (LSsubendo - LSsubepi) were also determined. GLS (P < 0.001), LSsubendo, and LSsubepi (both P < 0.0001) were all progressively reduced with increasing age decades, but post hoc intra-group analyses demonstrated that the decline of GLS, LSsubendo, and LSsubepi was significant in the decades 50-60 and >=60 years. In separate multiple linear regression analyses, the effect of age on GLS, LSsubendo, and LSsubepi remained significant even after adjusting for clinical and echocardiographic confounders. Strain gradient remained unchanged in age decades. Conclusion: Ageing shows an independent effect on GLS, LSsubendo, and, particularly on, LSsubepi. Our data also provide normal reference values of layer-specific longitudinal strain for age decades. PMID- 29211877 TI - Delivering precision antimicrobial therapy through closed-loop control systems. AB - Sub-optimal exposure to antimicrobial therapy is associated with poor patient outcomes and the development of antimicrobial resistance. Mechanisms for optimizing the concentration of a drug within the individual patient are under development. However, several barriers remain in realizing true individualization of therapy. These include problems with plasma drug sampling, availability of appropriate assays, and current mechanisms for dose adjustment. Biosensor technology offers a means of providing real-time monitoring of antimicrobials in a minimally invasive fashion. We report the potential for using microneedle biosensor technology as part of closed-loop control systems for the optimization of antimicrobial therapy in individual patients. PMID- 29211879 TI - Cross-Country Comparisons of Disability and Morbidity: Evidence from the Gateway to Global Aging Data. AB - Background: International comparisons of disease prevalence have been useful in understanding what proportion of disease might be preventable and in informing potential policy interventions in different cultural and economic contexts. Using newly available, harmonized data from 20 countries, we compare disability and morbidity of older adults between the ages of 55 and 74. Methods: The Gateway to Global Aging Data, a data and information portal, provides access to easy-to-use individual-level longitudinal data from 10 surveys covering over 30 countries. Exploiting harmonized measures available from the Gateway, we descriptively examine how disability and morbidity differ across countries. Results: Significant cross-country differences are observed for several health indicators. Comparing countries with the highest and lowest prevalence rates, we observe that hypertension rates vary twofold and stroke rates vary threefold, while disability and arthritis rates vary more than fivefold. Among women, higher gross domestic product and life expectancy are related to lower diabetes, heart disease, and better functioning. Among men, national indicators of economic conditions are not significantly associated with reported disease prevalence. Conclusions: We document substantial heterogeneity in disability and morbidity across countries, separately for men and women and after controlling for population age composition and education. Rich data from various surveys across the world offers remarkable opportunities for cross-country analyses, calling for further investigation of what drives observed differences. The Gateway to Global Aging Data provides easy to-use harmonized data files and tools to facilitate this type of research. PMID- 29211880 TI - Corrigendum to: 'Clinical long-term outcome of septal myectomy for obstructive hypertrophic cardiomyopathy in infants' [Eur J Cardiothorac Surg 2018;53:538- 44]. PMID- 29211881 TI - Food and Feed Safety of Genetically Engineered Food Crops. AB - The first genetically engineered (GE) food crop (tomato) was introduced in 1995, followed by the successful development and commercial release of maize, soybeans, cotton, canola, potatoes, papaya, alfalfa, squash, and sugar beets with specific new genetic traits. Even though the safety of every new GE crop has been evaluated by various regulatory authorities throughout the world prior to its commercial release, the ongoing public debate about the safety of food and feed derived from GE plants has not abated. Such debates often overshadow an important fact that all crops used as human food or animal feed include varieties that have been developed through conventional breeding and selection over hundreds or thousands of years, or through intentional but random mutagenesis. Developing food crops through such breeding practices result in large-scale genomic changes in the resulting crops, and these genomic changes do not undergo molecular characterization. In contrast, new GE crops are developed using well characterized DNA fragments and the resulting crops are tested and evaluated with much greater scrutiny. This document reviews the safety data and information of GE crops and foods obtained from them. PMID- 29211882 TI - Making epidemiology matter even more! PMID- 29211883 TI - Carcass characteristics, meat quality, and fatty acid composition of wild-living mallards (Anas platyrhynchos L.). AB - The aim of this study was to determine the carcass characteristics, meat quality, and fatty acid composition of wild-living mallards. The experimental materials comprised 30 mallards (1:1 sex ratio) harvested during the hunting season in northeastern Poland. The carcasses were transported to the laboratory where they were weighed individually, plucked, dressed, and dissected. The proximate chemical composition and physicochemical properties of meat and the fatty acid profile of breast muscle lipids were determined, and a histological analysis was performed. Body weight (BW) and carcass weight were higher in males than in females (P <= 0.05), whereas the percentage share of carcass tissue components was similar in both sexes. Edible components accounted for approximately 60% (?) to 60.7% (?) of the total BW of mallards, including lean meat; 40.9% (?) to 41.5% (?), skin with subcutaneous fat; 10.7% (?) to 10.8% (?), and giblets; 8.3% (?) to 8.4% (?). Breast muscles had high protein content (23.51%? to 23.6% ?) and low fat content (0.82% ? to 0.84% ?). In the fatty acid profile of breast muscle lipids, saturated fatty acids (SFA) accounted for 39.1% (?) to 39.04% (?), monounsaturated fatty acids (MUFA)-for 17.31% (?) to 17.33% (?) and polyunsaturated fatty acids (PUFA)-for 43.61% (?) to 43.64% (?). The diameters of type IIA and type IIB muscle fibers were lower in males than in females (P <= 0.05), whereas lipid storage sites in muscles were similar in both sexes. The values of cooking loss (CL), water-holding capacity (WHC), pH24, and color parameters of breast meat were comparable in males and females. The results of this study indicate that wild-living mallards, both males and females, are characterized by high meat quality, and that seasonal mallard harvests can provide meat with desirable eating attributes, attractive to consumers. PMID- 29211885 TI - Outcome of surgical intervention for aortic root abscess: a meta-analysis. AB - OBJECTIVES: Aortic root abscess (ARA) is a catastrophic complication of aortic root endocarditis, involving both native and prosthetic valves, which often warrants surgical intervention. Currently, aortic valve replacement (AVR) and aortic root replacement (ARR) are the most widely employed techniques. However, evidence that directly compares these methods is scarce. In this meta-analysis, we aimed to describe the surgical outcome of ARA when using different surgical methods. METHODS: In this meta-analysis, we performed literature searches in the EMBASE and PubMed databases and reviewed articles describing postoperative results of ARA that were published before 30 June 2016. After extracting the published data, we used a random-effects model to perform meta-analysis and compare the postoperative outcomes of ARA after management with AVR or ARR. RESULTS: Seven published studies were included in this meta-analysis, which includes 781 episodes of infective endocarditis complicated with ARA. There was no significant difference in the 30-day postoperative mortality rate among patients receiving ARR [23.8%, 95% confidence interval (CI) 17.8-30.6] compared with AVR (19.1%, 95% CI 13.3-26.1%), with a relative risk ratio of 1.30 (95% CI 0.84-2.00). However, patients receiving ARR were associated with statistically significant lower rates of reoperation within 1 year (relative risk 0.50, 95% CI 0.26-0.94). CONCLUSIONS: In our meta-analysis, ARR was associated with a 50% risk reduction of reoperation within 1 year among patients with ARA. There was no significant difference in the 30-day postoperative mortality rate between patients receiving ARR and patients receiving AVR; comparison of the long-term outcomes after these 2 procedures warrants further investigation. PMID- 29211884 TI - Outcome of current and history of cancer on the risk of cardiovascular events following percutaneous coronary intervention: a Kumamoto University Malignancy and Atherosclerosis (KUMA) study. AB - Aims: With the advancement in successfully treating different types of cancers, there is an immediate and increased need to focus on the risk and complexity of treating cardiovascular events in cancer survivors. This has led to the emergence of onco-cardiology/cardio-oncology field. We examined the varying incidence of cardiovascular events after percutaneous coronary intervention (PCI) in patients with or without cancer. Methods and results: Participants were divided into a non malignant group and a malignant group, consisting of patients who were receiving or had ever received cancer treatment. The primary endpoint was target lesion revascularization (TLR) within 1 year of PCI. In the patient groups studied, we showed that the malignant group had a significantly higher probability of TLR than the non-malignant group (P = 0.002). Moreover, proportional hazards analyses identified malignancy as an independent predictor of TLR [hazard ratio (HR) 2.28, 95% confidential interval (CI) 1.3-4.0; P = 0.004]. Combining malignancy status with high-sensitivity C-reactive protein levels further increased the HR for TLR (HR 3.01, 95% CI 1.57-5.76; P = 0.001), and the net reclassification improvement was significant (15.2%, 95% CI 4.3-26%; P = 0.02). Time since completion of cancer treatment had an impact on the rate of TLR, with those patients with a current or recent cancer history having more TLR events within 1 year. Conclusion: We demonstrated a significant association between the recent history of cancer and the risk of recurrent coronary atherosclerosis in patients undergoing PCI and showed that malignancy status can predict the likelihood of cardiovascular events following this procedure. PMID- 29211886 TI - Bicarbonate induces high-level resistance to the human antimicrobial peptide LL 37 in Staphylococcus aureus small colony variants. AB - Objectives: Staphylococcus aureus small colony variants (SCVs) cause persistent infections and are resistant to cationic antibiotics. Antimicrobial peptides (AMPs) have been suggested as promising alternatives for treating antibiotic resistant bacteria. We investigated the capacity of the human cationic AMP LL-37 to kill SCVs in the presence of physiological concentrations of bicarbonate, which are reported to alter bacterial membrane permeability and change resistance of bacteria to AMPs. Methods: MBCs of LL-37 for S. aureus SCVs with mutations in different genes in the presence and absence of bicarbonate were determined. Results: In the absence of bicarbonate, SCVs of S. aureus strains LS-1 and 8325-4 had the same level of resistance to LL-37 as the parental strain (8 mg/L). In the presence of bicarbonate, hemB, menD and aroD SCVs of LS-1 had high-level resistance to LL-37 (>=128 mg/L) compared with the parental strain (16 mg/L). However, only the aroD SCV of strain 8324-5 showed high-level resistance. 8325-4 harbours mutations in two genes, tcaR and rsbU, which are involved in antimicrobial sensing and the stress response, respectively. When rsbU was repaired in 8325-4 it displayed high-level resistance to LL-37 in the presence of bicarbonate. This phenotype was lost when tcaR was also repaired, demonstrating that RsbU and TcaR are involved in LL-37 resistance in the presence of bicarbonate. Conclusions: S. aureus SCVs would be resistant to high concentrations of LL-37 in niches where there are physiological concentrations of bicarbonate and therefore this AMP may not be effective in combating SCVs. PMID- 29211887 TI - Genomic insights into the non-histamine production and proteolytic and lipolytic activities of Tetragenococcus halophilus KUD23. AB - Tetragenococcus halophilus KUD23, a non-histamine producer, was isolated from a traditional Korean high-salt fermented soybean paste, doenjang. The strain was safe in terms of antibiotic susceptibility, hemolytic activity and biofilm formation. It could grow on De Man-Rogosa-Sharpe agar containing 21% (w/v) NaCl, exhibited acid production at 15% NaCl, and had strain-specific proteolytic and lipolytic activities under salt stress. Complete genome analysis of T. halophilus KUD23 and comparative genomic analysis shed light on the genetic background behind these phenotypic characteristics, including non-production of histamine and proteolytic and lipolytic activities. PMID- 29211888 TI - Combined Oral Contraception and Bicalutamide in Polycystic Ovary Syndrome and Severe Hirsutism: A Double-Blind Randomized Controlled Trial. AB - Context: Hirsutism often occurs in women with polycystic ovary syndrome (PCOS). The efficacy of oral contraceptive pill (OCP) plus antiandrogens in the treatment of its severe expression is controversial due to the lack of randomized, double blind, long-term studies. Objective: The primary outcome was the reduction of hirsutism in PCOS women objectively measured by videodermoscopy on the androgen sensitive skin areas assessed by the modified Ferriman and Gallwey (mF&G) total score, after 12 months of therapy with OCP + bicalutamide (BC) vs OCP plus placebo (P). The secondary outcomes were to evaluate tolerability of BC and body composition as well as the occurrence of adverse events. Design: An experimental, phase 3, prospective, multicenter, randomized, double-blind, P-controlled trial. Patients were evaluated at the baseline visit, at 6 and 12 months during treatment, and 6 months' posttreatment. Participants: Seventy women with classic PCOS (severe hirsutism, oligoanovulation, and ovarian polycystic ovarian morphology). Intervention: Patients received OCP + BC (50 mg/d) or OCP + P for 12 months. Results: The repeated measures analysis of variance showed that both treatments were effective in reducing hirsutism: The OCP + BC group had a higher reduction compared with the OCP + P group. No adverse effects were described during treatment except an increase in total cholesterol and low-density lipoprotein in the OCP + BC group. Conclusions: The association of OCP + BC is well tolerated and significantly more effective than OCP alone in treating severe hirsutism. We suggest a combined use of the videodermoscopic index and mF&G to evaluate the effects of androgen deprivation therapy for hirsutism. PMID- 29211889 TI - Reduced live-birth rates after IVF/ICSI in women with previous unilateral oophorectomy: results of a multicentre cohort study. AB - STUDY QUESTION: Is there a reduced live-birth rate (LBR) after IVF/ICSI treatment in women with a previous unilateral oophorectomy (UO)? SUMMARY ANSWER: A significantly reduced LBR after IVF/ICSI was found in women with previous UO when compared with women with intact ovaries in this large multicentre cohort, both crudely and after adjustment for age, BMI, fertility centre and calendar period and regardless of whether the analysis was based on transfer of embryos in the fresh cycle only or on cumulative results including transfers using frozen-thawed embryos. WHAT IS KNOWN ALREADY: Similar pregnancy rates after IVF/ICSI have been previously reported in case-control studies and small cohort studies of women with previous UO versus women without ovarian surgery. In all previous studies multiple embryos were transferred. No study has previously evaluated LBR in a large cohort of women with a history of UO. STUDY DESIGN, SIZE, DURATION: This research was a multicentre cohort study, including five reproductive medicine centres in Sweden: Carl von Linne Clinic (A), Karolinska University Hospital (B), Uppsala University Hospital (C), Linkoping University Hospital (D) and Orebro University Hospital (E). The women underwent IVF/ICSI between January 1999 and November 2015. Single embryo transfer (SET) was performed in approximately 70% of all treatments, without any significant difference between UO exposed women versus controls (68% versus 71%), respectively (P = 0.32), and a maximum of two embryos were transferred in the remaining cases. The dataset included all consecutive treatments and fresh and frozen-thawed cycles. PARTICIPANTS/MATERIALS, SETTING, METHODS: The exposed cohort included 154 women with UO who underwent 301 IVF/ICSI cycles and the unexposed control cohort consisted of 22 693 women who underwent 41 545 IVF/ICSI cycles. Overall, at the five centres (A-E), the exposed cohort underwent 151, 34, 35, 41 and 40 treatments, respectively, and they were compared with controls of the same centre (18 484, 8371, 5575, 4670 and 4445, respectively). The primary outcome was LBR, which was analysed per started cycle, per ovum pick-up (OPU) and per embryo transfer (ET). Secondary outcomes included the numbers of oocytes retrieved and supernumerary embryos obtained, the Ovarian Sensitivity Index (OSI), embryo quality scores and cumulative pregnancy rates. We used a Generalized Estimating Equation (GEE) model for statistical analysis in order to account for repeated treatments. MAIN RESULTS AND THE ROLE OF CHANCE: The exposed (UO) and control women's groups were comparable with regard to age and performance of IVF or ICSI. Significant differences in LBR, both crude and age-adjusted, were observed between the UO and control groups: LBR per started cycle (18.6% versus 25.4%, P = 0.007 and P = 0.014, respectively), LBR/OPU (20.3% versus 27.1%, P = 0.012 and P = 0.015, respectively) and LBR/ET (23.0% versus 29.7%, P = 0.022 and P = 0.025, respectively). The differences in LBR remained significant after inclusion of both fresh and frozen-thawed transfers (both crude and age-adjusted data): LBR/OPU (26.1% versus 34.4%, P = 0.005 and P = 0.006, respectively) and LBR/ET (28.3% versus 37.1%, P = 0.006 and P = 0.006, respectively). The crude cancellation rate was significantly higher among women with a history of UO than in controls (18.9% versus 14.5%, P = 0.034 and age-adjusted, P = 0.178). In a multivariate GEE model, the cumulative odds ratios for LBR (fresh and frozen thawed)/OPU (OR 0.70, 95% CI 0.52-0.94, P = 0.016) and LBR (fresh and frozen thawed)/ET (OR 0.68, 95% CI 0.51-0.92, P = 0.012) were approximately 30% lower in the group of women with UO when adjusted for age, BMI, reproductive centre, calendar period and number of embryos transferred when appropriate. The OSI was significantly lower in women with a history of UO than in controls (3.6 versus 6.0) and the difference was significant for both crude and age-adjusted data (P = <0.001 for both). Significantly fewer oocytes were retrieved in treatments of women with UO than in controls (7.2 versus 9.9, P = <0.001, respectively). LIMITATIONS, REASONS FOR CAUTION: Due to the nature of the topic, this is a retrospective analysis, with all its inherent limitations. Furthermore, the cause for UO was not possible to obtain in all cases. A diagnosis of endometriosis was also more common in the UO group, i.e. a selection bias in terms of poorer patient characteristics in the UO group cannot be completely ruled out. However, adjustment for all known confounders did not affect the general results. WIDER IMPLICATIONS OF THE FINDINGS: To date, this is the largest cohort investigated and the first study indicating an association of achieving reduced live birth after IVF/ICSI in women with previous UO. These findings are novel and contradict the earlier notion that IVF/ICSI treatment is not affected, or is only marginally affected by previous UO. STUDY FUNDING/COMPETING INTEREST(S): None. TRIAL REGISTRATION NUMBER: Not applicable. PMID- 29211890 TI - Effect of oregano oil and tannic acid combinations on the quality and sensory characteristics of cooked chicken meat. AB - The antioxidant effects of oregano essential oil and tannic acid combinations on ground chicken breast and thigh meats were studied. Six treatments, including: 1) control (none added), 2) 100 ppm oregano essential oil + 5 ppm tannic acid, 3) 100 ppm oregano essential oil + 10 ppm tannic acid, 4) 200 ppm oregano essential oil + 5 ppm tannic acid, 5) 200 ppm oregano essential oil + 10 ppm tannic acid, and 6) 5 ppm butylated hydroxyanisole (BHA) for breast or 14 ppm for thigh meat, were prepared. Cooked meat samples were individually vacuum-packaged in oxygen impermeable vacuum bags and then cooked in-bag to an internal temperature of 75 degrees C. After cooling to room temperature, the cooked meat was re-packaged in new oxygen-permeable bags and stored at 4 degrees C for 7 days. Cooked ground chicken meats were analyzed for lipid and protein oxidation and volatiles at 0, 3, and 7 d of storage. The significant differences among the treatments were very clear in cooked meat samples: Thigh meat patties showed higher 2-thiobarbituric acid reactive substances (TBARS), total carbonyl, and volatiles content compared to the breast meat during storage. A combination of 200 ppm oregano oil with 10 ppm tannic acid showed the most significant effects (P < 0.05) on TBARS, total carbonyl, and off-odor volatile formation for both breast and thigh meats. Oregano oil (200 ppm) and 10 ppm tannic acid combination also showed positive effects on the sensory scores of chicken thigh meat. In conclusion, the combination of 200 ppm oregano oil and 10 ppm tannic acid could be a good replacement for the synthetic antioxidants in ground cooked chicken meat. PMID- 29211891 TI - Osw2 is required for proper assembly of glucan and/or mannan layers of the yeast spore wall. AB - OSW2 is a meiotically-induced gene required for spore wall formation. osw2Delta spores are sensitive to ether treatment. Except for this phenotype, the mutants do not show obvious sporulation defects; thus, its function remains elusive. We found that deletion of both OSW2 and CHS3 results in a synthetic sporulation defect. The spore wall is composed of four layers, and chs3Delta spores lack the outer two (chitosan and dityrosine) layers. Thus, Osw2 is involved in the assembly of the inner (glucan and mannan) layers. In agreement with this notion, a glycosylphosphatidylinositol-anchored protein reporter mislocalizes in osw2Delta spores. The osw2Delta mutation also exhibited a severe synthetic sporulation defect when combined with the deletion of a beta-1,6-glucan synthesis related gene, BIG1. Osw2 is localized to the prospore membrane during sporulation. However, it disappears in mature spores, indicating that it is not a structural component of the spore wall. Given that Osw2 contains a probable 2 dehydropantoate 2-reductase domain, it may mediate an enzymatic reaction. Osw2 shows a weak similarity to other 2-dehydropantoate 2-reductase domain-containing proteins, Svl3 and Pam1. A pam1Deltasvl3Delta mutant exhibits vegetative cell and spore wall defects. Thus, the 2-dehydropantoate 2-reductase domain-containing proteins may have a similar function in glucan and/or mannan layer assembly. PMID- 29211892 TI - Evaluation of the effect of live LaSota Newcastle disease virus vaccine as primary immunization on immune development in broilers. AB - Newcastle disease remains a major concern to the poultry industry; however, it can be managed with effective vaccination programs. The main objective of this study was to evaluate the effect of 2 1* doses of live LaSota strain Newcastle disease virus (NDV) vaccine administered oculo-nasally on d one and 21 on development of humoral and cell-mediated immune response in broilers, and to compare different immunization schedules. Two experiments were conducted. In Experiment I (n = 320), Ross 308 birds were randomly assigned to an unvaccinated control group or vaccinated treatment. [Both treatments consisted of 4 pens per treatment and 40 birds per pen]. At d one, live NDV LaSota strain vaccine was used as a primary immunization to evaluate its impact on adaptive immunity. No substantial NDV-specific humoral immune response was established. Body weights were significantly higher (P < 0.05) in the vaccinated birds on d 4 and 7. Spleen index of the vaccinated birds was significantly (P < 0.05) lower at d 28 and 35. Flow cytometry showed reduced levels of peripheral and splenic B and T lymphocytes. Interferon gamma secreted by splenocytes and in circulation was measured; the results showed a reduced expression post-secondary immunization. In Experiment II (n = 180), the role of maternal antibodies and primary vaccination at d one was evaluated using 3 vaccination protocols. Protocol 1 used live B1 strain as primary immunization, whereas protocol 2 used live LaSota strain. Protocol 3 used live LaSota strain after maternal antibodies had decayed. Protocol 3 resulted in the highest NDV-titer level during the trial. Protocol 2 had the lowest NDV titer. Feed conversion was significantly higher (P < 0.05) in protocol 3 compared to 1 and 2. Overall, the results indicate that the use of live LaSota strain NDV vaccine as primary immunization at d one has a detrimental effect on the development of adaptive immunity in broilers; however, its use after the level of maternal antibodies decays results in a robust antigen specific humoral immune response. PMID- 29211894 TI - Acid growth: an ongoing trip. AB - Since its first formulation almost 50 years ago, acid growth has had a chequered past complicated by utilization of diverse species and organs for testing alongside necessary but coarse methodology. Within the past 25 years, we have gained new insights into the molecular mechanisms behind the transduction of the signal auxin into the reality of an apoplastic pH shift as well as the effect on cell wall mechanics and the biochemical players within the wall contributing to the resultant growth. In this review, we begin by discussing the historical work and its complications, move on to the modern work and its addition to acid growth, which we finally summarize in an updated model which includes new postulations and questions. PMID- 29211893 TI - Aldosterone Is Not Associated With Metabolic and Microvascular Insulin Sensitivity in Abdominally Obese Men. AB - Context: Impaired insulin-mediated muscle microvascular recruitment (IMMR) may add to the development of insulin resistance and hypertension. Increased aldosterone levels have been linked to these obesity-related complications in severely to morbidly obese individuals and to impaired microvascular function in experimental studies. Objectives: To investigate whether aldosterone levels are associated with IMMR, insulin sensitivity, and blood pressure in lean and moderately abdominally obese men, and to study the effect of weight loss. Design, Setting, Participants, Intervention, Main Outcome Measures: In 25 lean and 53 abdominally obese men, 24-hour blood pressure measurement was performed, and aldosterone levels were measured using ultra-performance liquid chromatography tandem mass spectrometry. Insulin sensitivity was assessed by determining whole body glucose disposal during a hyperinsulinemic clamp. IMMR in forearm skeletal muscle was measured with contrast-enhanced ultrasonography. These assessments were repeated in the abdominally obese men following an 8-week weight loss or weight stable period. Results: Sodium excretion and aldosterone levels were similar in lean and abdominally obese participants, but sodium excretion was inversely associated with aldosterone concentration only in the lean individuals [lean, beta/100 mmol sodium excretion (adjusted for age and urinary potassium excretion) = -0.481 (95% confidence interval, -0.949 to -0.013); abdominally obese, beta/100 mmol sodium excretion = -0.081 (95% confidence interval, -0.433 to 0.271); P for interaction = 0.02]. Aldosterone was not associated with IMMR, insulin sensitivity, or blood pressure and was unaffected by weight loss. Conclusion: In moderately abdominally obese men, the inverse relationship between sodium excretion and aldosterone concentration is less than that in lean men but does not translate into higher aldosterone levels. The absolute aldosterone level does not explain differences in microvascular and metabolic insulin sensitivity and blood pressure between lean and moderately abdominally obese men. PMID- 29211895 TI - Review of environmental enrichment for broiler chickens. AB - Welfare problems are commonly found in both conventional and organic production of broiler chickens. In order to reduce the extent of welfare problems, it has been suggested to provide stimulating, enriched environments. The aim of the present paper is to provide a review of the effect on behavior and welfare of the different kinds of environmental enrichments in the production of broilers that have been described in the scientific literature. Environmental enrichment is defined as an improvement of the environment of captive animals, which increases the behavioral opportunities of the animal and leads to improvements of the biological function. This definition has been broadened to include practical and economic aspects, as any enrichment strategy that adversely affects the health of animals or that has too many economic or practical constraints will never be implemented on commercial farms and thus never benefit animals. Environmental enrichment for broilers often has the purpose of satisfying behavioral needs and/or stimulating the broilers to an increased level of activity, which among others will reduce the occurrence of leg problems. Potentially successful environmental enrichments for broiler chickens are elevated resting-places, panels, barriers, and bales of straw ("point-source enrichment"), as well as covered verandas and outdoor ranges ("complex enriched environments"). Many of the ideas for environmental enrichment for broilers need to be further developed and studied, preferably in commercial trials, with respect to the use, the effect on behavior and on other welfare aspects such as leg health, and the interaction with genotype, production system, stocking density, light, and flock size. In addition, information on the practical application and the economics of the production system is often lacking, although it is important for application in practice. PMID- 29211896 TI - Letter: Contralateral Anterior Interhemispheric Approach to Medial Frontal Arteriovenous Malformations: Surgical Technique and Results. PMID- 29211897 TI - Effect of yeast cell wall on the growth performance and gut health of broilers challenged with aflatoxin B1 and necrotic enteritis. AB - This study aimed to investigate the effect of yeast cell walls (YCW) on the growth performance, visceral lesions, intestinal integrity, enterotoxicity, and bacteria of broilers challenged with aflatoxin B1 (AF) and necrotic enteritis (NE) from 1 to 21 d of age. A total of 576 one-day-old broilers were assigned to a 2 * 2 * 2 design for diets containing AFB1 (0 or 40 MUg/kg), NE (challenged or unchallenged), or YCW (0 or 500 mg/kg). The main effect analysis showed that AF depressed (P < 0.01) average daily feed intake (ADFI), average daily body weight gain (ADG), the mRNA profiles of polymeric Ig receptor (pIgR), claudin-1, and occludin, but increased (P < 0.001) liver lesion scores, serum endotoxin, and diamine oxidase (DAO). The NE challenge depressed (P < 0.01) ADFI, ADG, secretory IgA (sIgA), pIgR, claudin-1, occludin, and the populations of Lactobacilli and Bifidobacteria, but increased (P < 0.001) visceral lesions, endotoxins, and DAO. The main effect of YCW on growth performance, visceral lesions, and intestinal integrity was not significant, but decreased (P < 0.01) mortality, endotoxin, DAO, and C. perfringens, and increased (P < 0.05) the populations of Lactobacilli and Bifidobacteria. There were 3-way interactions (P < 0.05) on growth performance, intestinal lesions, integrity, and gut bacteria. Compared with the treatment with the dual challenges, there were pronounced effects (P < 0.05) of YCW on ADFI, ADG, lesions, DAO, pIgR, and Bifidobacteria. The results suggest that with the concurrent challenges of AF and NE, the YCW can partially protect the growth performance and intestinal health of broilers. PMID- 29211898 TI - Bilateral upper lobe Pneumocystis pneumonia during aerosolized pentamidine prophylaxis. PMID- 29211899 TI - Exome Sequencing and Genotyping Identify a Rare Variant in NLRP7 Gene Associated With Ulcerative Colitis. AB - Background and Aims: Although genome-wide association studies [GWAS] in inflammatory bowel disease [IBD] have identified a large number of common disease susceptibility alleles for both Crohn's disease [CD] and ulcerative colitis [UC], a substantial fraction of IBD heritability remains unexplained, suggesting that rare coding genetic variants may also have a role in pathogenesis. We used high throughput sequencing in families with multiple cases of IBD, followed by genotyping of cases and controls, to investigate whether rare protein-altering genetic variants are associated with susceptibility to IBD. Methods: Whole-exome sequencing was carried out in 10 families in whom three or more individuals were affected with IBD. A stepwise filtering approach was applied to exome variants, to identify potential causal variants. Follow-up genotyping was performed in 6025 IBD cases [2948 CD; 3077 UC] and 7238 controls. Results: Our exome variant analysis revealed coding variants in the NLRP7 gene that were present in affected individuals in two distinct families. Genotyping of the two variants, p.S361L and p.R801H, in IBD cases and controls showed that the p.S361L variant was significantly associated with an increased risk of ulcerative colitis [odds ratio 4.79, p = 0.0039] and IBD [odds ratio 3.17, p = 0.037]. A combined analysis of both variants showed suggestive association with an increased risk of IBD [odds ratio 2.77, p = 0.018]. Conclusions: The results suggest that NLRP7 signalling and inflammasome formation may be a significant component in the pathogenesis of IBD. PMID- 29211901 TI - CORRIGENDUM FOR "Low-Dose Dihydrotestosterone Drives Metabolic Dysfunction via Cytosolic and Nuclear Hepatic Androgen Receptor Mechanisms". PMID- 29211902 TI - Leptin Effects on DAT Neurons To Control Energy Homeostasis. PMID- 29211900 TI - Racial/ethnic differences in the epidemiology of ovarian cancer: a pooled analysis of 12 case-control studies. AB - Background: Ovarian cancer incidence differs substantially by race/ethnicity, but the reasons for this are not well understood. Data were pooled from the African American Cancer Epidemiology Study (AACES) and 11 case-control studies in the Ovarian Cancer Association Consortium (OCAC) to examine racial/ethnic differences in epidemiological characteristics with suspected involvement in epithelial ovarian cancer (EOC) aetiology. Methods: We used multivariable logistic regression to estimate associations for 17 reproductive, hormonal and lifestyle characteristics and EOC risk by race/ethnicity among 10 924 women with invasive EOC (8918 Non-Hispanic Whites, 433 Hispanics, 911 Blacks, 662 Asian/Pacific Islanders) and 16 150 controls (13 619 Non-Hispanic Whites, 533 Hispanics, 1233 Blacks, 765 Asian/Pacific Islanders). Likelihood ratio tests were used to evaluate heterogeneity in the risk factor associations by race/ethnicity. Results: We observed statistically significant racial/ethnic heterogeneity for hysterectomy and EOC risk (P = 0.008), where the largest odds ratio (OR) was observed in Black women [OR = 1.64, 95% confidence interval (CI) = 1.34-2.02] compared with other racial/ethnic groups. Although not statistically significant, the associations for parity, first-degree family history of ovarian or breast cancer, and endometriosis varied by race/ethnicity. Asian/Pacific Islanders had the greatest magnitude of association for parity (>=3 births: OR = 0.38, 95% CI = 0.28-0.54), and Black women had the largest ORs for family history (OR = 1.77, 95% CI = 1.42-2.21) and endometriosis (OR = 2.42, 95% CI = 1.65-3.55). Conclusions: Although racial/ethnic heterogeneity was observed for hysterectomy, our findings support the validity of EOC risk factors across all racial/ethnic groups, and further suggest that any racial/ethnic population with a higher prevalence of a modifiable risk factor should be targeted to disseminate information about prevention. PMID- 29211903 TI - Reflections on Endocrinology, 2013-2017. PMID- 29211906 TI - Of Time and the River: How Our Understanding of Legionellosis Has Changed Since 1976. PMID- 29211904 TI - Associations between genetic variants associated with body mass index and trajectories of body fatness across the life course: a longitudinal analysis. AB - Background: The genetic associations with trajectories of body fatness over the life course remain unknown. Methods: We used a group-based modelling approach to identify trajectories of body fatness from age 5 years up to 65 for 7277 women from the Nurses' Health Study and 4645 men from the Health Professionals Follow up Study. We created a genetic risk score (GRS) based on 97 variants associated with adulthood body mass index (BMI) and estimated its association with trajectories using logistic regression. Results: We identified four distinct trajectories: lean-medium, medium-medium, lean-heavy and medium-heavy. The GRS increased across the four groups in that order (P < 0.001); 47% of women and 45% of men in the first decile of the GRS were in the lean-medium group, and these proportions reduced to 26% and 28%, respectively, for the highest decile. The corresponding proportions in the medium-heavy group were 8% and 5%, increasing to 21% and 14%, respectively. For women, compared with the odds of being in the lean medium group, a 10-allele increment in the GRS was associated with a 40% [95% confidence interval (CI), 27-54%], 43% (30-58%), and 115% (91-143%) increase in the odds of being in the medium-medium, lean-heavy and medium-heavy groups, respectively. For men, the corresponding increases in the odds were 26% (12-42%), 27% (13-43%), and 81% (53-115%), respectively. Conclusions: Individuals with genetic variants for adulthood BMI were more likely to maintain a heavy body shape and gain weight throughout life. These findings support a persistent effect of genetic variants on body fatness across the lifespan. PMID- 29211905 TI - Effect of different concentrations of dietary P and Ca on plasma inorganic P and urinary P excretion using noncolostomized and colostomized broilers. AB - Two 5-d bioassays were conducted to explore the P physiological threshold in broilers based on plasma inorganic P (iP), urinary P and Ca, and excreta P and Ca measurements in non-colostomized and colostomized broilers fed with different concentrations of non-phytate P (NPP) and Ca. In Experiment 1, 80 40-day-old Cobb 500 non-colostomized male broilers were assorted into 8 groups consisting of 10 broilers each and placed in individual metabolic cages. Similarly, 8 colostomized broilers of same age were allotted to 8 individual metabolic cages. The experimental diets consisted of a corn soybean meal basal containing 0.17% phytate P (PP) with 8 concentrations (0.08, 0.13, 0.18, 0.23, 0.28, 0.33, 0.38, and 0.45%) of NPP. The dietary Ca concentration was maintained at 0.5% by adjusting a 185-micron particle size limestone with each concentration of added P from added calcium phosphate, dibasic, monohydrate. After Experiment 1, broilers were fed a standard grower diet for 5 d and Experiment 2 was conducted the same as Experiment 1; however, Ca was maintained at 0.9% for all test diets. Plasma iP, urinary P and Ca, and total P (TP) and Ca retention along with phytate P hydrolysis were measured. At 0.5% Ca dietary level, the inflection points for dietary NPP obtained from segmented line regression analysis for plasma iP, urinary P, and urinary Ca were 0.26% (+/-0.04 SE), 0.28% (+/-0.01 SE), and 0.30% (+/-0.04 SE), respectively. The similar values for 0.9% Ca diets were 0.27% (+/ 0.03 SE), 0.21% (+/-0.03 SE), and 0.30% (+/-0.0 SE), respectively. In summary, the present findings suggest that an increased dietary NPP would increase plasma inorganic P concentration along with increased % retention of TP and NPP until the broilers reach a point of physiological steady state (7.51 mg iP/dL - 8.13 mg iP/dL as found in this study). Excess P beyond physiological threshold is eliminated in urine coupled with decreased % retention. PMID- 29211907 TI - Evaluation of the hygienogram scores and related data obtained after cleaning and disinfection of poultry houses in Flanders during the period 2007 to 2014. AB - Cleaning and disinfection (C&D) of poultry houses is an essential aspect in farm hygiene management. Adequate performance of the different steps of a C&D protocol and the use of suitable products are key to prevent and control zoonoses and animal diseases. Hygiene monitoring on total aerobic flora through sampling with agar contact plates at different locations of the poultry house results in a hygienogram score that is used to evaluate the proper execution of C&D.This study analyzed the hygienogram scores of 19,739 poultry flocks in Flanders after C&D. Data relating to the C&D protocol, i.e., year, season, husbandry system, production type, cleaning product, sampler, active components of the disinfectant, disinfection time, disinfection temperature, and disinfection responsible, were collected.The average hygienogram score decreased significantly over time, suggesting a general improvement between 2007 and 2014. Differences in scores were found among the husbandry systems, with the barn/aviary system having a significantly better hygienogram score compared to the floor house, furnished cage, and battery. Significantly better scores also were found when a cleaning product was used in the C&D protocol. Disinfection with a peracetic acid and hydrogen peroxide combination or formaldehyde gave the best scores. In addition, C&D protocols using >=2 different disinfectants showed improved results compared to the use of one single disinfectant. Finally, disinfection applied by a specialist contractor resulted in a better score compared to disinfection by the farmer.In conclusion, analysis of the hygienogram scores and related data allowed identifying several factors, resulting in an improvement, which may reduce the total bacterial load in poultry stables and, consequently, the number of zoonotic and pathogenic micro-organisms. PMID- 29211908 TI - Occupational health and safety in the Southern African Development Community. PMID- 29211909 TI - Why work is so problematic for people with disabilities and long-term health problems. PMID- 29211910 TI - Bringing together occupational and environmental medicine specialists: Development of the International Occupational Medicine Society Collaborative (IOMSC). PMID- 29211911 TI - Blood transfusions-more is not better. PMID- 29211912 TI - Intestinal T Cell Profiling in Inflammatory Bowel Disease: Linking T Cell Subsets to Disease Activity and Disease Course. AB - Introduction: A dysregulated intestinal T cell response is presumed in patients with inflammatory bowel disease [IBD]. In this longitudinal study, we investigated the changes in intestinal T lymphocyte subsets in IBD at first presentation and over time during endoscopic active or inactive disease, and relate them to disease activity and outcome. Methods: We included 129 newly diagnosed patients (87 Crohn's disease [CD], 42 ulcerative colitis [UC]) and 19 healthy controls [HC]. Follow-up biopsy specimens were analysed from 70 IBD patients. Immunophenotyping of specimens was performed by flow cytometry identifying lymphocyte subpopulations. Results: IBD patients at diagnosis displayed higher percentages of CD4 T+ cells, Tregs, and central memory T cells [TCM] and with lower percentages of CD8 and CD103 T lymphocytes than HC. Follow up specimens of patients with endoscopic inactive disease showed T cell subset recovery comparable to HC. Endoscopic active disease at follow-up coincided with T cell subsets similar to those at diagnosis. In UC, lower baseline percentages of CD3 cells was associated with milder disease course without the need of an immunomodulator, whereas in CD, higher baseline percentages of CD4 and Tregs were associated with complicated disease course. Conclusions: The intestinal T cell infiltrate in IBD patients with active endoscopic disease is composed of increased percentages of CD4+ T cells, Tregs, and TCM, with lower percentages of CD8+ T cells and CD103+ T cells, compared with HC and endoscopic inactive IBD. Baseline percentages of CD3, CD4, and Tregs were associated with disease outcome. Further research is needed to demonstrate the predictive value of these lymphocyte subsets. PMID- 29211913 TI - Single-centre study of therapeutic drug monitoring of posaconazole in lung transplant recipients: factors affecting trough plasma concentrations. AB - Objectives: This study describes therapeutic drug monitoring (TDM) of posaconazole suspension and modified release (MR) tablets in lung transplant (LTx) recipients and evaluates factors that may affect posaconazole trough plasma concentration (Cmin). Methods: A single-centre, retrospective study evaluating posaconazole Cmin in LTx recipients receiving posaconazole suspension or MR tablets between January 2014 and December 2016. Results: Forty-seven LTx patients received posaconazole suspension, and 78 received the MR tablet formulation; a total of 421 and 617 Cmin measurements were made, respectively. Posaconazole was concurrently administered with proton pump inhibitor in >= 90% of patients. The median (IQR) of initial posaconazole Cmin following 300 mg daily of posaconazole tablet was significantly higher than that of 800 mg daily of posaconazole suspension [1.65 (0.97-2.13) mg/L versus 0.81 (0.48-1.15) mg/L, P < 0.01]. Variability in posaconazole Cmin was apparent regardless of the formulations prescribed and dose adjustments were routinely undertaken to maintain therapeutic Cmin. A clear dose-response relationship was observed in patients receiving posaconazole MR tablets. Non-specific adverse events (fatigue, tremor, lethargy, sweating, nausea/vomiting and weight loss) were reported in 3/78 (4%) patients receiving posaconazole MR tablets. Posaconazole Cmin in these three patients was determined to be 9.6, 6.2 and 2.3 mg/L. Conclusions: The current study has provided clinically important insights into the TDM of posaconazole in LTx recipients. Routine TDM should be undertaken in LTx recipients receiving posaconazole suspension and/or MR tablets. PMID- 29211915 TI - Reply. PMID- 29211914 TI - Stinging nettle and neem enhance antibody response to local killed and imported live infectious bursal disease vaccines in indigenous chicken in Kenya. AB - Immune responses are critical for protection of chickens from infectious bursal disease (IBD). In this study, the antibody response-enhancing effect of drinking water supplementation of 1% stinging nettle and neem on different IBD vaccines and vaccination regimes was evaluated, using 36 (n = 36) specific antibody negative indigenous chicks. The birds were allocated into 3 groups as follows: 1A C, 2A-C, and 3A-B, while group 3C acted as the unvaccinated non-supplemented control. A local inactivated K1 and imported live attenuated D78 IBD vaccines were given to groups 1A-C and 3A-B at 14 and 28 d of age, respectively. A combination of K1 and D78 vaccines was given 30 d apart to groups 2A and 2B (D78 at 14 and 21 d and K1 at 44 d of age) and on the same d to group 2C at 14 and 28 d of age. Stinging nettle was given in water to groups 1B, 2B, and 2C, and neem to groups 1C, 2A, and 3B. Birds were bled weekly and immune responses monitored using indirect ELISA. Both neem and stinging nettle had antibody response enhancing effects in groups 1B and 1C, receiving the local inactivated K1 vaccine. There were significant differences (P < 0.05) in antibody titers between groups 1A and 2C. Stinging nettle induced earlier onset of high antibody responses in group 2C and persistent titers (>3.8 log10) from the third week in group 2B. Imported live D78 vaccine induced higher antibody titers compared to the local inactivated K1 vaccine. Groups 2B and 2C receiving a combination of the local K1 and imported live attenuated D78 vaccines had the highest antibody titers. Adoption of stinging nettle supplementation and a prime-boost program involving use of a local virus isolates-derived vaccine is recommended. PMID- 29211916 TI - Feasibility of 7T MRI for imaging fascicular structures of peripheral nerves. AB - INTRODUCTION: Evaluation of the nerve fascicular structure can be useful in diagnosing nerve damage, but it is a very challenging task with 3T MRI because of limited resolution. In this pilot study, we present the feasibility of high resolution 7T MRI for examining the nerve fascicular structure. METHODS: A 3 dimensional (3D) gradient-spoiled sequence was used for imaging peripheral nerves in extremities. Images acquired with different in-plane resolutions (0.42 * 0.42 mm vs. 0.12 * 0.12 mm), and different main field strengths (7T vs. 3T) were compared. RESULTS: The individual nerve fascicles were identified at 0.12 * 0.12 mm resolution in both field strengths but not at 0.42 * 0.42 mm resolution. The fascicular structure was more sharply depicted in 7T images than in 3T images. DISCUSSION: High-resolution 3D imaging with 7T MRI demonstrated feasibility for imaging nerve fascicular structures. Muscle Nerve 57: 494-498, 2018. PMID- 29211917 TI - Quantifying Cancer Risk from Radiation. AB - Complex statistical models fitted to data from studies of atomic bomb survivors are used to estimate the human health effects of ionizing radiation exposures. We describe and illustrate an approach to estimate population risks from ionizing radiation exposure that relaxes many assumptions about radiation-related mortality. The approach draws on developments in methods for causal inference. The results offer a different way to quantify radiation's effects and show that conventional estimates of the population burden of excess cancer at high radiation doses are driven strongly by projecting outside the range of current data. Summary results obtained using the proposed approach are similar in magnitude to those obtained using conventional methods, although estimates of radiation-related excess cancers differ for many age, sex, and dose groups. At low doses relevant to typical exposures, the strength of evidence in data is surprisingly weak. Statements regarding human health effects at low doses rely strongly on the use of modeling assumptions. PMID- 29211919 TI - Myofibrillar myopathy due to dominant LMNA mutations: A report of 2 cases. PMID- 29211918 TI - Decellularized human placenta supports hepatic tissue and allows rescue in acute liver failure. AB - : Tissue engineering with scaffolds to form transplantable organs is of wide interest. Decellularized tissues have been tested for this purpose, although supplies of healthy donor tissues, vascular recellularization for perfusion, and tissue homeostasis in engineered organs pose challenges. We hypothesized that decellularized human placenta will be suitable for tissue engineering. The universal availability and unique structures of placenta for accommodating tissue, including presence of embedded vessels, were major attractions. We found decellularized placental vessels were reendothelialized by adjacent native cells and bridged vessel defects in rats. In addition, implantation of liver fragments containing all cell types successfully hepatized placenta with maintenance of albumin and urea synthesis, as well as hepatobiliary transport of 99m Tc mebrofenin, up to 3 days in vitro. After hepatized placenta containing autologous liver was transplanted into sheep, tissue units were well-perfused and self assembled. Histological examination indicated transplanted tissue retained hepatic cord structures with characteristic hepatic organelles, such as gap junctions, and hepatic sinusoids lined by endothelial cells, Kupffer cells, and other cell types. Hepatocytes in this neo-organ expressed albumin and contained glycogen. Moreover, transplantation of hepatized placenta containing autologous tissue rescued sheep in extended partial hepatectomy-induced acute liver failure. This rescue concerned amelioration of injury and induction of regeneration in native liver. The grafted hepatized placenta was intact with healthy tissue that neither proliferated nor was otherwise altered. CONCLUSION: The unique anatomic structure and matrix of human placenta were effective for hepatic tissue engineering. This will advance applications ranging from biological studies, drug development, and toxicology to patient therapies. (Hepatology 2018;67:1956-1969). PMID- 29211920 TI - Miconazole enhances nerve regeneration and functional recovery after sciatic nerve crush injury. AB - INTRODUCTION: Improving axonal outgrowth and remyelination is crucial for peripheral nerve regeneration. Miconazole appears to enhance remyelination in the central nervous system. In this study we assess the effect of miconazole on axonal regeneration using a sciatic nerve crush injury model in rats. METHODS: Fifty Sprague-Dawley rats were divided into control and miconazole groups. Nerve regeneration and myelination were determined using histological and electrophysiological assessment. Evaluation of sensory and motor recovery was performed using the pinprick assay and sciatic functional index. The Cell Counting Kit-8 assay and Western blotting were used to assess the proliferation and neurotrophic expression of RSC 96 Schwann cells. RESULTS: Miconazole promoted axonal regrowth, increased myelinated nerve fibers, improved sensory recovery and walking behavior, enhanced stimulated amplitude and nerve conduction velocity, and elevated proliferation and neurotrophic expression of RSC 96 Schwann cells. DISCUSSION: Miconazole was beneficial for nerve regeneration and functional recovery after peripheral nerve injury. Muscle Nerve 57: 821-828, 2018. PMID- 29211922 TI - Local blood flow in peripheral nerves and their ganglia: Resurrecting key ideas around its measurement and significance. AB - Over 3 decades ago, seminal work by Phillip Low and colleagues established exquisite physiology around the measurement of nerve blood flow (NBF). Although not widely explored recently, its connection to the clinic has awaited human methodology. While human studies have not achieved a convincing level of rigour, newer imaging technologies are offering early information. The peripheral nerve trunk has parallel blood flow compartments that include epineurial flow dominated by arteriovenous shunts and downstream endoneurial blood flow (EBF). NBF and EBF have lower values than central nervous system blood flow, lack autoregulation yet have sympathetic and peptidergic neurovascular control. Contrary to expectation, injury to nerves is often associated with rises in NBF rather than ischemia, a finding of biological interest corroborated by human studies. Despite its potential importance, quantitative human measurements of EBF and NBF are not yet available. However, with development, careful NBF analysis may present new insights into nerve disorders. Muscle Nerve 57: 884-895, 2018. PMID- 29211921 TI - Infections and the relationship to treatment in neuromuscular autoimmunity. AB - INTRODUCTION: This study aimed to identify infections in patients with myasthenia gravis, dermatomyositis, and chronic inflammatory demyelinating polyradiculoneuropathy, and to investigate the relationship between infection and immunomodulation. METHODS: A retrospective chart review examined 631 patients with myasthenia gravis (n = 358), chronic inflammatory demyelinating polyradiculoneuropathy (n = 124), and dermatomyositis (n = 149) patients over a 10-year time period. RESULTS: Infection rates were similar at approximately 19% in all 3 diseases. Of the infections in which a causative organism was identified, pneumonia, sepsis, and opportunistic infections were the leading diagnoses. A multivariate model demonstrated a significant association between infection and an increased dose of plasma exchange, mycophenolate mofetil, and corticosteroid therapy. DISCUSSION: There are few large studies investigating rates of infections in patients with autoimmune neuromuscular disorders and the relationship to immunomodulation. This study not only demonstrates the remarkably similar infection rates across the 3 diseases studied, but also shows their relationship to commonly used immunotherapies. Muscle Nerve 57: 927-931, 2018. PMID- 29211923 TI - Xylem hydraulic safety and construction costs determine tropical tree growth. AB - Faster growth in tropical trees is usually associated with higher mortality rates, but the mechanisms underlying this relationship are poorly understood. In this study, we investigate how tree growth patterns are linked with environmental conditions and hydraulic traits, by monitoring the cambial growth of 9 tropical cloud forest tree species coupled with numerical simulations using an optimization model. We find that fast-growing trees have lower xylem safety margins than slow-growing trees and this pattern is not necessarily linked to differences in stomatal behaviour or environmental conditions when growth occurs. Instead, fast-growing trees have xylem vessels that are more vulnerable to cavitation and lower density wood. We propose the growth - xylem vulnerability trade-off represents a wood hydraulic economics spectrum similar to the classic leaf economic spectrum, and show through numerical simulations that this trade off can emerge from the coordination between growth rates, wood density, and xylem vulnerability to cavitation. Our results suggest that vulnerability to hydraulic failure might be related with the growth-mortality trade-off in tropical trees, determining important life history differences. These findings are important in furthering our understanding of xylem hydraulic functioning and its implications on plant carbon economy. PMID- 29211924 TI - ANATOLIA: NMR software for spectral analysis of total lineshape. AB - Evolution of the theoretical spectrum during the course of spectrum analysis and comparison of the result with the experimental spectrum. PMID- 29211925 TI - Artificial neural networks and liver transplantation: Are we ready for self driving cars? PMID- 29211926 TI - Heterotelechelic Polymers by Ring-Opening Metathesis and Regioselective Chain Transfer. AB - Heterotelechelic polymers were synthesized by a kinetic telechelic ring-opening metathesis polymerization method relying on the regioselective cross-metathesis of the propagating Grubbs' first-generation catalyst with cinnamyl alcohol derivatives. This procedure allowed the synthesis of hetero-bis-end-functional polymers in a one-pot setup. The molecular weight of the polymers could be controlled by varying the ratio between cinnamyl alcohol derivatives and monomer. The end functional groups can be changed using different aromatically substituted cinnamyl alcohol derivatives. Different monomers were investigated and the presence of the functional groups was shown by NMR spectroscopy and MALDI-ToF mass spectrometry. Labeling experiments with dyes were conducted to demonstrate the orthogonal addressability of both chain ends of the heterotelechelic polymers obtained. PMID- 29211927 TI - Cleavage of Unstrained C-C Bonds in Acenes by Boron and Light: Transformation of Naphthalene into Benzoborepin. AB - Naphthalene and acenaphthene with peri 2-py and BMes2 (py=pyridyl, Mes=mesityl) substituents have been found to undergo facile phototransformation, cleavage of a C-C bond of naphthalene, and formation of 2-py-bound benzoborepins as the major products. Mechanistic pathways of this photoreaction have been established by examination of both excited and ground states by using CASSCF and CASPT2 methods in DFT and time-dependent DFT calculations. The mesityl to py-naphthyl charge transfer transition and the mesityl migration from the boron atom to the naphthyl moiety drive this unprecedented C-C bond cleavage and boron-insertion reaction. PMID- 29211928 TI - Effect of tannic acid on skin barrier function. AB - In this study, we investigated how tannic acid (TA) protects the skin from inflammation caused by external irritation. The effects of TA were evaluated using a mouse 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced skin inflammation model and a reconstructed human epidermal model. We then used Lucifer Yellow for visual confirmation of TA's suppression effect at the stratum corneum (SC) surface. TA treatment of the skin prevented Lucifer Yellow from permeating the skin. This result suggests that TA acts as a barrier against external stimulants such as TPA and artificial sweat on the SC surface. PMID- 29211929 TI - Further Studies on How the Nature of Zeolite Cavities That Are Bounded by Small Pores Influences the Conversion of Methanol to Light Olefins. AB - A series of small-pore zeolites are synthesized and investigated as catalysts for the methanol-to-olefins (MTO) reaction. Small-pore zeolites SSZ-13, SSZ-16, SSZ 27, SSZ-28, SSZ-52, SSZ-98, SSZ-99, SSZ-104, SSZ-105 and an ITQ-3-type material are synthesized, and the results from their use as catalytic materials in the MTO reaction compared to those obtained from SAPO-34. The production of propane that tends to correlate with catalytic material lifetime (higher initial propane yields lead to shorter lifetimes) declines with increasing Si/Al (as has been observed previously for SSZ-13), and a larger cage dimension leads to higher propane yields at a fixed Si/Al. Data from these materials and others reported previously, for example, SSZ-39 and Rho, that were tested at the same reaction conditions, revealed four different patterns of light olefin selectivities: 1) ethylene greater than propylene with low butene, for example, SSZ-17, SSZ-98, SSZ 105, 2) ethylene equal to propylene and low butene, for example, SAPO-34, SSZ-13, SSZ-16, SSZ-27, SSZ-52, SSZ-99, SSZ-104, 3) propylene greater than ethylene with butene similar to ethylene, for example, SSZ-28, SSZ-39, and 4) ethylene equal to propylene equal to butene, for example, Rho. No clear relationships between zeolite cage architecture and light olefin selectivity emerged from this investigation, although several trends are presented as suggestions for further study. PMID- 29211930 TI - Estimating the global prevalence of transthyretin familial amyloid polyneuropathy. AB - INTRODUCTION: This study sought to estimate the global prevalence of transthyretin familial amyloid polyneuropathy (ATTR-FAP). METHODS: Prevalence estimates and information supporting prevalence calculations was extracted from records yielded by reference-database searches (2005-2016), conference proceedings, and nonpeer reviewed sources. Prevalence was calculated as prevalence rate multiplied by general population size, then extrapolated to countries without prevalence estimates but with reported cases. RESULTS: Searches returned 3,006 records; 1,001 were fully assessed and 10 retained, yielding prevalence for 10 "core" countries, then extrapolated to 32 additional countries. ATTR-FAP prevalence in core countries, extrapolated countries, and globally was 3,762 (range 3639-3884), 6424 (range, 1,887-34,584), and 10,186 (range, 5,526 38,468) persons, respectively. DISCUSSION: The mid global prevalence estimate (10,186) approximates the maximum commonly accepted estimate (5,000-10,000). The upper limit (38,468) implies potentially higher prevalence. These estimates should be interpreted carefully because contributing evidence was heterogeneous and carried an overall moderate risk of bias. This highlights the requirement for increasing rare-disease epidemiological assessment and clinician awareness. Muscle Nerve 57: 829-837, 2018. PMID- 29211931 TI - The role of microsomal epoxide hydrolase, Na+ -taurocholate cotransporting polypeptide, and organic anion transporting polypeptide in hepatic sodium dependent bile acid transport. PMID- 29211932 TI - Targeted vs systematic robot-assisted transperineal magnetic resonance imaging transrectal ultrasonography fusion prostate biopsy. AB - OBJECTIVE: To evaluate the performance of transperineal robot-assisted (RA) targeted (TB) and systematic (SB) prostate biopsy in primary and repeat biopsy settings. PATIENTS AND METHODS: Patients underwent RA biopsy between 2014 and 2016. Before RA-TB, multiparametric magnetic resonance imaging (mpMRI) was performed. Prostate lesions were scored (Prostate Imaging, Reporting and Data System, version 2) and used for RA-TB planning. In addition, RA-SB was performed. Available, whole-gland pathology was analysed. RESULTS: In all, 130 patients were biopsy naive and 72 had had a previous negative transrectal ultrasonography guided biopsy. In total, 202 patients had suspicious mpMRI lesions. Clinically significant prostate cancer was found in 85% of all prostate cancer cases (n = 123). Total and clinically significant prostate cancer detection rates for RA-TB vs RA-SB were not significantly different at 77% vs 84% and 80% vs 82%, respectively. RA-TB demonstrated a better sampling performance compared to RA-SB (26.4% vs 13.9%; P < 0.001). CONCLUSION: Transperineal RA-TB and -SB showed similar clinically significant prostate cancer detection rates in primary and repeat biopsy settings. However, RA-TB offered a 50% reduction in biopsy cores. Omitting RA-SB is associated with a significant risk of missing clinically significant prostate cancer. PMID- 29211935 TI - A simple twist of phosphate: Immunological synapse formation and T cell receptor signaling outcome in regulatory T cells. AB - Signaling through the T cell receptor (TCR) regulates T cell homeostasis and effector functions. However, a full accounting of the TCR-coupled signaling networks and how their interplay determines specific functional outcomes remains elusive. Of particular interest are efforts over the last years to elucidate distinctive features of TCR signaling in regulatory T cells (Treg) that may account for some of their unique functional attributes as compared to conventional T (Tconv) cells. In this issue of the European Journal of Immunology, van Ham et al. [Eur. J. Immunol. 2017. 47: 2043-2058] employed differential phosphoproteomics to identify a set of 11 proteins mainly linked to cytoskeletal organization and molecular transport that discriminate between TCR signaling in the respective cell subset. They further linked these differences to cell subset-specific alterations in the spatio-temporal organization of signaling pathways at immune synapse (IS) in Treg versus T conv. These data support the idea that these proteins may act as a molecular "twist" element driving Treg cell specific responses by affecting cytoskeletal dynamics and IS formation. Taken together, these findings may facilitate the development of novel immunomodulatory agents that exploit differences in TCR signaling between Treg and Tconv cells. PMID- 29211936 TI - Avian Scavenging of Small-Sized Pig Carcasses in Central Florida: Utilizing GIS to Analyze Site Variables Affecting Skeletal Dispersal. AB - Scavengers can significantly alter a forensic scene and consume, modify, disarticulate, and disperse bodies on the ground surface. The research purpose was to examine vulture scavenging in central Florida, USA. Four small-sized pig (Sus scrofa) carcasses were left on the ground surface of two microenvironments (shaded and open) at a secure site with game cameras. Dispersal data were mapped and analyzed using geographical information systems spatial analysis digital mapping tools. The primary avian scavengers recorded included black vultures (Coragyps atratus) and turkey vultures (Cathartes aura), as well as bald eagles (Haliaeetus leucocephalus). Carcass dispersal patterns were impacted by foliage density (grass height and concentrations of bushes and trees) and proximity to the perimeter fence. While the majority of skeletal elements were dispersed within 6 m of the carcass deposition locations, dispersion occurred over a greater distance in the wooded microenvironment. Overall, vulture behaviors deleteriously destroyed and changed the context of the scene, with black vultures having the greatest impact. PMID- 29211937 TI - Reply. PMID- 29211939 TI - From the Editors. PMID- 29211938 TI - Polycystic liver disease: The interplay of genes causative for hepatic and renal cystogenesis. PMID- 29211940 TI - Liver fibrosis scores in the general population: Better risk indices are needed! PMID- 29211942 TI - Erratum. PMID- 29211943 TI - President's Letter December 2017. PMID- 29211941 TI - Impact of aberrant left hepatic artery ligation on the outcome of liver transplantation. AB - The preservation of a graft's aberrant left hepatic artery (LHA) during liver transplantation (LT) ensures optimal vascularization of the left liver but can also be considered a risk factor for hepatic artery thrombosis (HAT). In contrast, ligation of an aberrant LHA may lead to hepatic ischemia with the potential risk of graft dysfunction and biliary complications. The aim of this study was to prospectively analyze the impact on the surgical strategy for LT of 5 tests performed to establish whether an aberrant LHA was an accessory or a replaced artery, thus leading to the design of a decisional algorithm. From August 2005 to December 2016, 395 whole LTs were performed in 376 patients. Five parameters were evaluated to determine whether an aberrant LHA was an accessory or a replaced artery. On the basis of our decision algorithm, an aberrant LHA was ligated during surgery when assessed as accessory and preserved when assessed as replaced. A total of 138 anatomical variants of hepatic arterial vascularization occurred in 120/395 (30.4%) grafts. Overall, the incidence of an aberrant LHA was 63/395 (15.9%). The LHA was ligated in 33 (52.4%) patients and preserved in 30 (47.6%) patients. After a mean follow-up period of 50.9 +/- 39.7 months, the incidence of HAT, primary nonfunction, early allograft dysfunction, biliary stricture or leaks, and overall survival was similar in the 2 groups. In conclusion, once shown to be an accessory, an LHA can be safely ligated without clinical consequences on the outcome of LT. Liver Transplantation 24 204-213 2018 AASLD. PMID- 29211944 TI - Individuation for a DSM-5 disorder: Adult separation anxiety. PMID- 29211946 TI - A rare ANOS1 variant in siblings with Kallmann syndrome identified by whole exome sequencing. AB - Kallmann syndrome is a rare genetic condition causing congenital hypogonadotropic hypogonadism. It presents with delayed puberty, anosmia, and infertility. Here, we set out to identify a causative DNA variant for Kallmann syndrome in two affected brothers of Hispanic ancestry. The male siblings presented with a clinical diagnosis of Kallmann syndrome (anosmia, delayed puberty, azoospermia, and undetectable luteinizing hormone and follicle stimulating hormone levels). Genetic variations were investigated by whole exome sequencing. Potentially pathogenic variants were filtered and prioritized followed by validation by Sanger sequencing in the two brothers and their mother. A pathogenic variant was identified in the ANOS1 gene on the X chromosome: c.1267C>T; both brothers were hemizygous, and their mother was heterozygous for the variant. The variant is a single nucleotide change that introduces a stop codon in exon 9 (p.R423*), likely producing a truncated variant of the protein. This variant has only been reported twice in the literature, in the setting of finding genetic causes for other conditions. This result supports the clinical value of whole exome sequencing for identification of genetic pathogenic variants. Genetic diagnosis is the essential first step for genetic counseling, preimplantation diagnosis, and research for a potential treatment. PMID- 29211945 TI - Regulation of human Nfu activity in Fe-S cluster delivery-characterization of the interaction between Nfu and the HSPA9/Hsc20 chaperone complex. AB - Iron-sulfur cluster biogenesis is a complex, but highly regulated process that involves de novo cluster formation from iron and sulfide ions on a scaffold protein, and subsequent delivery to final targets via a series of Fe-S cluster binding carrier proteins. The process of cluster release from the scaffold/carrier for transfer to the target proteins may be mediated by a dedicated Fe-S cluster chaperone system. In human cells, the chaperones include heat shock protein HSPA9 and the J-type chaperone Hsc20. While the role of chaperones has been somewhat clarified in yeast and bacterial systems, many questions remain over their functional roles in cluster delivery and interactions with a variety of human Fe-S cluster proteins. One such protein, Nfu, has recently been recognized as a potential interaction partner of the chaperone complex. Herein, we examined the ability of human Nfu to function as a carrier by interacting with the human chaperone complex. Human Nfu is shown to bind to both chaperone proteins with binding affinities similar to those observed for IscU binding to the homologous HSPA9 and Hsc20, while Nfu can also stimulate the ATPase activity of HSPA9. Additionally, the chaperone complex was able to promote Nfu function by enhancing the second-order rate constants for Fe-S cluster transfer to target proteins and providing directionality in cluster transfer from Nfu by eliminating promiscuous transfer reactions. Together, these data support a hypothesis in which Nfu can serve as an alternative carrier protein for chaperone mediated cluster release and delivery in Fe-S cluster biogenesis and trafficking. PMID- 29211947 TI - Tracking Ionic Rearrangements and Interpreting Dynamic Volumetric Changes in Two Dimensional Metal Carbide Supercapacitors: A Molecular Dynamics Simulation Study. AB - We present a molecular dynamics simulation study achieved on two-dimensional (2D) Ti3 C2 Tx MXenes in the ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM]+ [TFSI]- ) electrolyte. Our simulations reproduce the different patterns of volumetric change observed experimentally for both the negative and positive electrodes. The analysis of ionic fluxes and structure rearrangements in the 2D material provide an atomic scale insight into the charge and discharge processes in the layer pore and confirm the existence of two different charge-storage mechanisms at the negative and positive electrodes. The ionic number variation and the structure rearrangement contribute to the dynamic volumetric changes of both electrodes: negative electrode expansion and positive electrode contraction. PMID- 29211948 TI - Simultaneous determination of polysaccharides and 21 nucleosides and amino acids in different tissues of Salvia miltiorrhiza from different areas by UV-visible spectrophotometry and UHPLC with triple quadrupole MS/MS. AB - Salvia miltiorrhiza, a traditional Chinese medicine, is a widely used herbal medicine to treat cardiovascular and cerebrovascular diseases. In this study, ultraviolet (UV)-visible spectrophotometry and ultra-high performance liquid chromatography with triple quadrupole tandem mass spectrometry analytical methods were used for rapid quantification of polysaccharides and 21 nucleosides and amino acids in S. miltiorrhiza to determine 17 samples of different tissues from different areas. Based on the total contents, hierarchical clustering analysis and principal components analysis were performed to classify these samples. The established methods were validated with good linearity, precision, repeatability, stability, and recovery. Chemical analysis revealed a higher content of total analytes in the sample of inflorescence from Nanjing (34.17 mg/g), sample of root and rhizome from Shaanxi (34.13 mg/g) and sample of stem and leaf from Nanjing (31.14 mg/g), respectively, indicating that root and rhizome from Shaanxi and the aerial parts from Nanjing exhibited the highest quality due to their highest content. In addition, contents of nucleosides and amino acids in the aerial parts (14.67 mg/g) were much higher than that in roots and rhizomes (9.17 mg/g). This study suggested that UV-visible spectrophotometry and ultra-high performance liquid chromatography with triple quadrupole tandem mass spectrometry are effective techniques to analyze polysaccharides, nucleosides, and amino acids in plants, and they provided valuable information for the development and utilization value of the aerial parts of S. miltiorrhiza. This analysis would also provide useful information for the quality control of S. miltiorrhiza. PMID- 29211949 TI - Fluoride Uptake Profiles of Selected European Toothpastes into Hard Tissues and Plaque. AB - OBJECTIVES: To compare the fluoridating potential of selected European toothpastes using a combination of enamel, dentin, and plaque in vitromodels. METHODS: Four in vitromodels were included: 1) Enamel Fluoride (F) Uptake (EFU); 2) Dentin F Uptake (DFU); 3) Enamel Solubility Reduction (ESR); and 4) Plaque F Uptake (PFU). A core set of marketed products was included in all studies, plus a standard toothpaste (1100 ppm F as NaF/silica) and placebo control (the PFU study did not include a placebo control). Test dentifrices: [A] Fluocaril(r) Bi-Fluore 250 (1500 ppm F as NaF+1000 ppm F as SMFP); [B] LacerAnticaries (2500 ppm F as SMFP); [C] Elmex(r) Caries ProfessionalTM (1450 ppm F as SMFP+1.5% arginine); [D] Colgate(r) Triple Action (1450 ppm F as SMFP); [E] Placebo (0 ppm F); and [F] standard toothpaste (1100 ppm as NaF/silica). In all studies (EFU, DFU, ESR, and PFU), assessments were compared for each pair using the Tukey-Kramer HSD test (p < 0.05). RESULTS: In all studies of fluoride uptake, the Fluocaril dentifrice [A] provided the greatest numerical benefit, regardless of the substrate. Statistical groupings were EFU: A > F = B = C = D > E; DFU: A > F = B = C = D = E; PFU: A = B > F = C = D). In demineralization prevention, the Fluocaril dentifrice [A] also provided the greatest benefit (ESR: A = F = C = B = D > E). In all studies that included a placebo control, all of the F-containing dentifrices performed better than the placebo control. CONCLUSIONS: While these results demonstrate that all of the marketed products tested provide effective anticaries benefits, the Fluocaril Bi-Fluore 250 dentifrice consistently delivered unsurpassed performance. It delivered the highest level of F to plaque, provided greater measures of efficacy in both remineralization and inhibition of demineralization, and delivered substantial improvement in fluoridation of dentin, suggesting the potential for delivering both coronal and root caries benefits. PMID- 29211950 TI - Two Randomized Clinical Studies to Confirm Differential Plaque Removal by Sodium Bicarbonate Dentifrices in a Single Timed Brushing Model. AB - OBJECTIVES: This study evaluated and compared plaque removal efficacy of commercially available dentifrices containing sodium bicarbonate (NaHCO3) to those without NaHCO3 in a single timed brushing clinical study model. METHODS: Two randomized, examiner-blind, three-period, three-treatment, crossover studies were performed in adults with a mean Turesky modification of the Quigley-Hein Plaque Index (TPI) score of = 2.00. In Study 1, 60 subjects were randomized to commercially available dentifrices containing: (i) 67% NaHCO3 plus 1425 ppm fluoride (F) as sodium fluoride (NaF); (ii) 45% NaHCO3 plus 1425 ppm F as NaF; or (iii) 0% NaHCO3 plus silica and 1450 ppm F as NaF. In Study 2, 55 subjects were randomized to commercially available dentifrices containing: (i) 67% NaHCO3 plus 1425 ppm F as NaF; (ii) 0% NaHCO3 plus silica and 1400 ppm F as amine F/stannous F; or (iii) 0% NaHCO3 plus chlorhexidine/aluminum lactate and silica with 1360 ppm F as aluminum F. In both studies, subjects brushed their teeth for one timed minute under supervised conditions. Plaque was assessed pre- and post-brushing according to a six-site modification of the TPI. Mean TPI score was analyzed using an analysis of covariance model with treatment and study period as fixed effects, subject as a random variable, and pre-brushing score as a covariate. RESULTS: In both studies, mean TPI score decreased in all groups post-brushing compared with pre-brushing. In Study 1, statistically significant improvements in mean TPI score were reported with the 67% and 45% NaHCO3 dentifrices compared with the 0% NaHCO3 dentifrice (p = 0.0003 and p = 0.0005, respectively). In Study 2, improvements in mean TPI score were statistically significantly greater with the 67% NaHCO3 dentifrice compared with both 0% NaHCO3 dentifrices (p < 0.0001 for both comparisons). All dentifrices were generally well tolerated. CONCLUSIONS: A single timed brushing with commercially available dentifrices containing 67% or 45% NaHCO3 exerted a significantly greater effect on plaque removal than commercially available dentifrices without NaHCO3. PMID- 29211951 TI - A Double-Blinded, Randomized Study Evaluating the In Vivo Effects of a Novel Dental Gel on Enamel Surface Microstructure and Microhardness. AB - OBJECTIVES: The objective of this study was to evaluate the in vivo effects of a 2.6% edathamil gel (Livionex(r) Dental Gel) on surface microhardness and microstructure in 180 pre-eroded enamel chips. METHODS: This was a double-blind, randomized study. Two enamel chips each were cut from 90 healthy sterilized extracted teeth. One chip from each pair underwent microhardness testing and scanning electron microscopy (SEM) to establish baselines. The remaining 90 samples were demineralized, and then mounted onto intra-oral retainers worn by nine subjects, with five chips mounted on each retainer for each of the two study arms. In one two-week study arm subjects brushed with the control toothpaste; in the other they used the test gel. Study arms were separated by a two-week washout. Sequence of toothpaste use was randomized. At the end of each study arm, samples underwent microhardness measurements (Knoop) and SEM visualization. RESULTS: After intraoral wear, enamel chips recovered fully from demineralization, with no significant difference in microhardness between the two treatments (p > 0.05). In SEM images, enamel surfaces at study's end also appeared comparable in the two groups. CONCLUSIONS: Pre-eroded enamel chips remineralized intra-orally to a similar level after using a control or a test toothpaste containing 2.6% edathamil. PMID- 29211952 TI - A Profilometry-Based Dentifrice Abrasion Method for V8 Brushing Machines Part III: Multi-Laboratory Validation Testing of RDA-PE. AB - OBJECTIVES: We have previously reported on progress toward the refinement of profilometry-based abrasivity testing of dentifrices using a V8 brushing machine and tactile or optical measurement of dentin wear. The general application of this technique may be advanced by demonstration of successful inter-laboratory confirmation of the method. The objective of this study was to explore the capability of different laboratories in the assessment of dentifrice abrasivity using a profilometry-based evaluation technique developed in our Mason laboratories. In addition, we wanted to assess the interchangeability of human and bovine specimens. METHODS: Participating laboratories were instructed in methods associated with Radioactive Dentin Abrasivity-Profilometry Equivalent (RDA-PE) evaluation, including site visits to discuss critical elements of specimen preparation, masking, profilometry scanning, and procedures. Laboratories were likewise instructed on the requirement for demonstration of proportional linearity as a key condition for validation of the technique. Laboratories were provided with four test dentifrices, blinded for testing, with a broad range of abrasivity. In each laboratory, a calibration curve was developed for varying V8 brushing strokes (0, 4,000, and 10,000 strokes) with the ISO abrasive standard. Proportional linearity was determined as the ratio of standard abrasion mean depths created with 4,000 and 10,000 strokes (2.5 fold differences). Criteria for successful calibration within the method (established in our Mason laboratory) was set at proportional linearity = 2.5 +/- 0.3. RDA-PE was compared to Radiotracer RDA for the four test dentifrices, with the latter obtained by averages from three independent Radiotracer RDA sites. Individual laboratories and their results were compared by 1) proportional linearity and 2) acquired RDA-PE values for test pastes. RESULTS: Five sites participated in the study. One site did not pass proportional linearity objectives. Data for this site are not reported at the request of the researchers. Three of the remaining four sites reported herein tested human dentin and all three met proportional linearity objectives for human dentin. Three of four sites participated in testing bovine dentin and all three met the proportional linearity objectives for bovine dentin. RDA-PE values for test dentifrices were similar between sites. All four sites that met proportional linearity requirement successfully identified the dentifrice formulated above the industry standard 250 RDA (as RDA-PE). The profilometry method showed at least as good reproducibility and differentiation as Radiotracer assessments. It was demonstrated that human and bovine specimens could be used interchangeably. CONCLUSIONS: The standardized RDA-PE method was reproduced in multiple laboratories in this inter-laboratory study. Evidence supports that this method is a suitable technique for ISO method 11609 Annex B. PMID- 29211953 TI - The Effect of a Toothbrush Handle Design in Combating Microbial Contamination. AB - OBJECTIVES: This study aims to assess the difference in microbial contamination of a toothbrush with a smooth handle versus a toothbrush with a grooved handle design. METHODS: Twenty-six volunteers were randomized into two groups. The first group used a smooth handle toothbrush for two months, followed by a grooved handle toothbrush for two months. The second group had the order reversed. Following the two-month use, the toothbrushes were submitted for microbial analysis. Effect size, as well as Wilcoxon signed-rank test were used to calculate the differences between total colony count, bacterial DNA, and endotoxin levels from the two toothbrush handle types. RESULTS: There was no significant difference in colony count between the smooth (mean 580 CFU/mL, SD 1,684 CFU/mL) and grooved (mean 19,059 CFU/mL, SD 80,972 CFU/mL) handles (p = 0.12). Total DNA count was significantly less (p = 0.01) on the smooth handle (mean 68,038 RFU/mL, SD 81,659) compared to the grooved handle (mean 209,312 RFU/mL, SD 257,169 RFU/mL). Endotoxin levels were significantly less (p = 0.01) on the smooth handle (mean 0.16 EU/mL, SD 0.30 EU/mL) compared to the grooved handle (mean 0.43 EU/mL, SD 0.49 EU/mL). CONCLUSIONS: The smooth handle toothbrush had significantly less bacterial contamination compared to the grooved handle toothbrush, as measured by total DNA count and endotoxin levels. PMID- 29211954 TI - siRNA Delivery with Chitosan: Influence of Chitosan Molecular Weight, Degree of Deacetylation, and Amine to Phosphate Ratio on in Vitro Silencing Efficiency, Hemocompatibility, Biodistribution, and in Vivo Efficacy. AB - Chitosan (CS) shows in vitro and in vivo efficacy for siRNA delivery but with contradictory findings for incompletely characterized systems. For understanding which parameters produce effective delivery, a library of precisely characterized chitosans was produced at different degrees of deacetylation (DDAs) and average molecular weights (Mn). Encapsulation and transfection efficiencies were characterized in vitro. Formulations were selected to examine the influence of Mn and N:P ratio on nanoparticle uptake, metabolic activity, genotoxicity, and in vitro transfection. Hemocompatibility and in vivo biodistribution were then investigated for different Mn, N:P ratios, and doses. Nanoparticle uptake and gene silencing correlated with increased surface charge, which was obtained at high DDA and high Mn. A minimum polymer length of ~60-70 monomers (~10 kDa) was required for stability and knockdown. In vitro knockdown was equivalent to lipid control with no metabolic or genotoxicity. An inhibitory effect of serum on biological performance was dependent on DDA, Mn, and N:P. In vivo biodistribution in mice show accumulation of nanoparticles in kidney with 40-50% functional knockdown. PMID- 29211956 TI - Toxicity Assessment of Iron Oxide Nanoparticles Based on Cellular Magnetic Loading Using Magnetophoretic Sorting in a Trapezoidal Microchannel. AB - To accurately assess potential nanotoxicity on the basis of cellular iron content, the precise separation of cells into subpopulations according to their magnetic nanoparticle loading is of crucial importance. In this study, we developed a microfluidic magnetophoresis device consisting of a trapezoidal channel containing five side outlet branches and a narrow rectangular channel with three outlet branches. This unique structure enabled the sequential separation of cells loaded with tiny amounts of iron oxide and cells heavily labeled with iron oxide, in a single device. As a proof of concept, we attempted the sequential separation of Raw 264.7 cells with a large heterogeneity in uptake capabilities (1-50 pg of iron per cell). Consequently, we were able to differentiate the bulk cell population into seven subpopulations according to their mean iron oxide loading. We also evaluated potential nanotoxicity effects using the production of excess reactive oxygen species (ROS) and the inhibition of proliferation on the separated subpopulations, and we found that 46.6% of cells loaded with iron above the threshold value (16.4 pg) had higher ROS levels than the control group. Cells loaded with more than 3.7 pg of iron exhibited transiently inhibited cell-cycle progression. In particular, cells loaded with more than 35.4 pg of iron exerted a significant effect on cell proliferation. The proposed system could be useful in the investigation of nanotoxicity effects of iron oxide nanoparticle-induced cells, based on their iron oxide nanoparticle loading. PMID- 29211955 TI - Biochemical and Spectroscopic Observation of Mn(II) Sequestration from Bacterial Mn(II) Transport Machinery by Calprotectin. AB - Human calprotectin (CP, S100A8/S100A9 oligomer) is a metal-sequestering host defense protein that prevents bacterial acquisition of Mn(II). In this work, we investigate Mn(II) competition between CP and two solute-binding proteins that Staphylococcus aureus and Streptococcus pneumoniae, Gram-positive bacterial pathogens of significant clinical concern, use to obtain Mn(II) when infecting a host. Biochemical and electron paramagnetic resonance (EPR) spectroscopic analyses demonstrate that CP outcompetes staphylococcal MntC and streptococcal PsaA for Mn(II). This behavior requires the presence of excess Ca(II) ions, which enhance the Mn(II) affinity of CP. This report presents new spectroscopic evaluation of two Mn(II) proteins important for bacterial pathogenesis, direct observation of Mn(II) sequestration from bacterial Mn(II) acquisition proteins by CP, and molecular insight into the extracellular battle for metal nutrients that occurs during infection. PMID- 29211957 TI - Binding Mechanisms of Electron Transport Proteins with Cyanobacterial Photosystem I: An Integrated Computational and Experimental Model. AB - The stromal domain (PsaC, D, and E) of photosystem I (PSI) in cyanobacteria accepts electrons from PsaA and PsaB of photosystem I (PSI). These electrons are then used in the reduction of transiently bound ferredoxin (Fd) or flavodoxin. Experimental X-ray and NMR structures are known for all of these protein partners separately, yet to date, there is no known experimental structure of the PSI/Fd complexes in the published literature. Computational models of Fd docked with the stromal domain of cyanobacterial PSI were assembled here starting from X-ray and NMR structures of PSI and Fd. Predicted models of specific regions of protein protein interactions were built on the basis of energetic frustration, residue conservation and evolutionary importance, as well as from experimental site directed mutagenesis and cross-linking studies. Microsecond time-scale molecular dynamics simulations of the PSI/Fd complexes suggest, rather than a single complex structure, the possible existence of multiple transient complexes of Fd bound to PSI. PMID- 29211958 TI - Core-Shell-Yarn-Based Triboelectric Nanogenerator Textiles as Power Cloths. AB - Although textile-based triboelectric nanogenerators (TENGs) are highly promising because they scavenge energy from their working environment to sustainably power wearable/mobile electronics, the challenge of simultaneously possessing the qualities of cloth remains. In this work, we propose a strategy for TENG textiles as power cloths in which core-shell yarns with core conductive fibers as the electrode and artificial polymer fibers or natural fibrous materials tightly twined around core conductive fibers are applied as the building blocks. The resulting TENG textiles are comfortable, flexible, and fashionable, and their production processes are compatible with industrial, large-scale textile manufacturing. More importantly, the comfortable TENG textiles demonstrate excellent washability and tailorability and can be fully applied in further garment processing. TENG textiles worn under the arm or foot have also been demonstrated to scavenge various types of energy from human motion, such as patting, walking, and running. All of these merits of proposed TENG textiles for clothing uses suggest their great potentials for viable applications in wearable electronics or smart textiles in the near future. PMID- 29211959 TI - Chemical Pressure Maps of Molecules and Materials: Merging the Visual and Physical in Bonding Analysis. AB - The characterization of bonding interactions in molecules and materials is one of the major applications of quantum mechanical calculations. Numerous schemes have been devised to identify and visualize chemical bonds, including the electron localization function, quantum theory of atoms in molecules, and natural bond orbital analysis, whereas the energetics of bond formation are generally analyzed in qualitative terms through various forms of energy partitioning schemes. In this Article, we illustrate how the chemical pressure (CP) approach recently developed for analyzing atomic size effects in solid state compounds provides a basis for merging these two approaches, in which bonds are revealed through the forces of attraction and repulsion acting between the atoms. Using a series of model systems that include simple molecules (H2, CO2, and S8), extended structures (graphene and diamond), and systems exhibiting intermolecular interactions (ice and graphite), as well as simple representatives of metallic and ionic bonding (Na and NaH, respectively), we show how CP maps can differentiate a range of bonding phenomena. The approach also allows for the partitioning of the potential and kinetic contributions to the interatomic interactions, yielding schemes that capture the physical model for the chemical bond offered by Ruedenberg and co-workers. PMID- 29211960 TI - Exchange Coupling Interactions from the Density Matrix Renormalization Group and N-Electron Valence Perturbation Theory: Application to a Biomimetic Mixed-Valence Manganese Complex. AB - The accurate description of magnetic level energetics in oligonuclear exchange coupled transition-metal complexes remains a formidable challenge for quantum chemistry. The density matrix renormalization group (DMRG) brings such systems for the first time easily within reach of multireference wave function methods by enabling the use of unprecedentedly large active spaces. But does this guarantee systematic improvement in predictive ability and, if so, under which conditions? We identify operational parameters in the use of DMRG using as a test system an experimentally characterized mixed-valence bis-MU-oxo/MU-acetato Mn(III,IV) dimer, a model for the oxygen-evolving complex of photosystem II. A complete active space of all metal 3d and bridge 2p orbitals proved to be the smallest meaningful starting point; this is readily accessible with DMRG and greatly improves on the unrealistic metal-only configuration interaction or complete active space self-consistent field (CASSCF) values. Orbital optimization is critical for stabilizing the antiferromagnetic state, while a state-averaged approach over all spin states involved is required to avoid artificial deviations from isotropic behavior that are associated with state-specific calculations. Selective inclusion of localized orbital subspaces enables probing the relative contributions of different ligands and distinct superexchange pathways. Overall, however, full-valence DMRG-CASSCF calculations fall short of providing a quantitative description of the exchange coupling owing to insufficient recovery of dynamic correlation. Quantitatively accurate results can be achieved through a DMRG implementation of second order N-electron valence perturbation theory (NEVPT2) in conjunction with a full-valence metal and ligand active space. Perspectives for future applications of DMRG-CASSCF/NEVPT2 to exchange coupling in oligonuclear clusters are discussed. PMID- 29211961 TI - Scalable Electron Correlation Methods. 5. Parallel Perturbative Triples Correction for Explicitly Correlated Local Coupled Cluster with Pair Natural Orbitals. AB - A well-parallelized perturbative triples correction implementation for the pair natural orbital based coupled cluster method PNO-LCCSD(T)-F12 is presented. A composite approach is adopted in addressing the coupling due to off-diagonal Fock matrix elements, in which the local triples amplitudes are iteratively solved using small domains of triples natural orbitals, and a semicanonical (T0) domain correction with larger domains is applied to reduce the domain errors. This treatment adds only about 20% to the computational cost of (T0) calculations with large domains, and the errors due to the use of small domains in the iterations are very small. In addition, a two-step triple list selection method is applied: First, an initial triple list is generated using LCCSD-F12 pair energy criteria, and the (T0) triples energies are computed using small domains. Second, this list is reduced by neglecting triples with small energy contributions, and the final calculation with large domains is only carried out for the reduced list. The cost of the (T) calculation scales asymptotically linear with the molecular size and shows excellent parallelization efficiency up to hundreds of CPU cores. The convergence of the (T) contribution to the relative energies of large molecular systems is carefully tested, and for most of the cases the results obtained with our default thresholds agree within ~0.5 kcal mol-1 with those computed with very tight thresholds. For all tested molecular systems where canonical calculations are still feasible, the PNO-LCCSD(T)-F12 relative energies also agree within 0.5 kcal mol-1 with the canonical CCSD(T)-F12 results using the same F12 treatment. The (T) calculation generally takes 3-5 times the cost of the preceding PNO-LCCSD F12 calculation, primarily due to the large number of triples required in obtaining accurate relative energies. We find that for large molecular systems the triple selection criteria used in previous local triples methods are insufficient, and a much larger number of triples are required than it was assumed so far. Still, using a commodity computer cluster, the PNO-LCCSD(T)-F12 calculation of molecules with ~100 atoms using augmented triple-zeta basis sets can be carried out in a few hours of elapsed time. PMID- 29211962 TI - Highly Sensitive Detection of Salmonella typhimurium Using a Colorimetric Paper Based Analytical Device Coupled with Immunomagnetic Separation. AB - Salmonella causes over a million foodborne illnesses per year in the United States resulting in more hospitalizations and deaths than any other foodborne bacterial pathogen. To help prevent outbreaks, a rapid, portable, sensitive, and reliable method for onsite detection of bacteria that can be used in different sample matrices would be beneficial. Herein, we present a colorimetric paper based analytical device (PAD) combined with immunomagnetic separation (IMS) for detecting Salmonella typhimurium. IMS anti-Salmonella coated magnetic beads were applied to capture and separate bacteria from the sample matrix and preconcentrate it into small volumes before testing on paper. To directly detect S. typhimurium after IMS, a sandwich immunoassay was implemented into the procedure with beta-galactosidase (beta-gal) as the detection enzyme. Using the antibody/enzyme complex, we performed a colorimetric assay with chlorophenol red beta-d-galactopyranoside (CPRG) for bacteria quantification. The method was confirmed to be highly specific to S. typhimurium without interference from other pathogenic bacteria like Escherichia coli. Using this system, the limit of detection of S. typhimurium was found to be 102 CFU mL-1 in culturing solution without any pre-enrichment. In addition, distance-based detection where the concentration is read as the length of colored band formed on the reaction was also demonstrated. This assay had a detection limit of 102 CFU mL-1 for S. typhimurium, providing an instrument-free quantitative analysis alternative to spot tests, which require image analysis. Finally, the proposed platform was applied for detection of S. typhimurium in inoculated Starling bird fecal samples and whole milk with detection limits of 105 CFU g-1 and 103 CFU mL-1, respectively, and this is the first published paper-based detection method for S. typhimurium in bird feces and whole milk. PMID- 29211963 TI - Dynamic Organization of Ligand-Grafted Nanoparticles during Adsorption and Surface Compression at Fluid-Fluid Interfaces. AB - Monolayers of ligand-grafted nanoparticles at fluid interfaces exhibit a complex response to deformation due to an interplay of particle rearrangements within the monolayer, and molecular rearrangements of the ligand brush on the surface of the particles. We use grazing-incidence small-angle X-ray scattering (GISAXS) combined with pendant drop tensiometry to probe in situ the dynamic organization of ligand-grafted nanoparticles upon adsorption at a fluid-fluid interface, and during monolayer compression. Through the simultaneous measurements of interparticle distance, obtained from GISAXS, and of surface pressure, obtained from pendant drop tensiometry, we link the interfacial stress to the monolayer microstructure. The results indicate that, during adsorption, the nanoparticles form rafts that grow while the interparticle distance remains constant. For small amplitude, slow compression of the monolayer, the evolution of the interparticle distance bears a signature of ligand rearrangements leading to a local decrease in thickness of the ligand brush. For large-amplitude compression, the surface pressure is found to be strongly dependent on the rate of compression. Two dimensional Brownian dynamics simulations show that the rate-dependent features are not due to jamming of the monolayer, and suggest that they may be due to out of-plane reorganization of the particles (for instance expulsion or buckling). The corresponding GISAXS patterns are also consistent with out-of-plane reorganization of the nanoparticles. PMID- 29211964 TI - Metabolic Costs of Exposure to Wastewater Effluent Lead to Compensatory Adjustments in Respiratory Physiology in Bluegill Sunfish. AB - Municipal wastewater effluent is a major source of aquatic pollution and has potential to impact cellular energy metabolism. However, it is poorly understood whether wastewater exposure impacts whole-animal metabolism and whether this can be accommodated with adjustments in respiratory physiology. We caged bluegill sunfish (Lepomis macrochirus) for 21 days at two sites downstream (either 50 or 830 m) from a wastewater treatment plant (WWTP). Survival was reduced in fish caged at both downstream sites compared to an uncontaminated reference site. Standard rates of O2 consumption increased in fish at contaminated sites, reflecting a metabolic cost of wastewater exposure. Several physiological adjustments accompanied this metabolic cost, including an expansion of the gill surface area available for gas exchange (reduced interlamellar cell mass), a decreased blood-O2 affinity (which likely facilitates O2 unloading at respiring tissues), increased respiratory capacities for oxidative phosphorylation in isolated liver mitochondria (supported by increased succinate dehydrogenase, but not citrate synthase, activity), and decreased mitochondrial emission of reactive oxygen species (ROS). We conclude that exposure to wastewater effluent invokes a metabolic cost that leads to compensatory respiratory improvements in O2 uptake, delivery, and utilization. PMID- 29211965 TI - Early Detection of Biofouling on Water Purification Membranes by Ambient Ionization Mass Spectrometry Imaging. AB - By direct analysis of water purification membranes using ambient ionization mass spectrometry, an attempt has been made to understand the molecular signatures of bacterial fouling. Membrane based purification methods are used extensively in water treatment, and a major challenge for them is biofouling. The buildup of microbes and their extracellular polymeric matrix clog the purification membranes and reduce their efficiency. To understand the early stages of bacterial fouling on water purification membranes, we have used desorption electrospray ionization mass spectrometry (DESI MS), where ion formation occurs in ambient conditions and the ionization event is surface sensitive. Biosurfactants at the air-water interface generated by microorganisms as a result of quorum sensing, influence the water-membrane interface and are important for the bacterial attachment. We show that these biosurfactants produced by bacteria can be indicator molecular species signifying initiation of biofilms on membrane surfaces, demonstrated by specific DESI MS signatures. In Pseudomonas aeruginosa, one of the best studied models for biofilm formation, this process is mediated by rhamnolipids forewarning bacterial fouling. Species dependent variation of such molecules can be used for the precise identification of the microorganisms, as revealed by studies on P. aeroginosa (ATCC 25619). The production of biosurfactants is tightly regulated at the transcriptional level by the quorum-sensing (QS) response. Thus, secretion of these extracellular molecules across the membrane surface allows rapid screening of the biofilm community. We show that, the ambient ionization mass spectrometry can detect certain toxic heavy metals present in water, using surfactant-metal complexes as analytes. We believe that such studies conducted on membranes in various input water streams will help design suitable membrane processes specific to the input streams. PMID- 29211966 TI - Analytic Gradients for Complete Active Space Pair-Density Functional Theory. AB - Analytic gradient routines are a desirable feature for quantum mechanical methods, allowing for efficient determination of equilibrium and transition state structures and several other molecular properties. In this work, we present analytical gradients for multiconfiguration pair-density functional theory (MC PDFT) when used with a state-specific complete active space self-consistent field reference wave function. Our approach constructs a Lagrangian that is variational in all wave function parameters. We find that MC-PDFT locates equilibrium geometries for several small- to medium-sized organic molecules that are similar to those located by complete active space second-order perturbation theory but that are obtained with decreased computational cost. PMID- 29211967 TI - Efficacy and Safety of Amphetamine Extended-Release Oral Suspension in Children with Attention-Deficit/Hyperactivity Disorder. AB - OBJECTIVES: To determine the efficacy and safety of amphetamine extended-release oral suspension (AMPH EROS) in the treatment of attention-deficit/hyperactivity disorder (ADHD) in a dose-optimized, randomized, double-blind, parallel-group study. METHODS: Boys and girls aged 6 to 12 years diagnosed with ADHD were enrolled. During a 5-week, open-label, dose-optimization phase, patients began treatment with 2.5 or 5 mg/day of AMPH EROS; doses were titrated until an optimal dose (maximum 20 mg/day) was reached. During the double-blind phase, patients were randomized to receive treatment with either their optimized dose (10-20 mg/day) of AMPH EROS or placebo for 1 week. Efficacy was assessed in a laboratory classroom setting on the final day of double-blind treatment using the Swanson, Kotkin, Agler, M-Flynn, and Pelham (SKAMP) Rating Scale and Permanent Product Measure of Performance (PERMP) test. Safety was assessed measuring adverse events (AEs) and vital signs. RESULTS: The study was completed by 99 patients. The primary efficacy endpoint (change from predose SKAMP-Combined score at 4 hours postdose) and secondary endpoints (change from predose SKAMP-Combined scores at 1, 2, 6, 8, 10, 12, and 13 hours postdose) were statistically significantly improved with AMPH EROS treatment versus placebo at all time points. Onset of treatment effect was present by 1 hour postdosing, the first time point measured, and duration of efficacy lasted 13 hours postdosing. PERMP data mirrored the SKAMP-Combined score data. AEs (>5%) reported during dose optimization were decreased appetite, insomnia, affect lability, upper abdominal pain, mood swings, and headache. CONCLUSION: AMPH EROS was effective in reducing symptoms of ADHD and had a rapid onset and extended duration of effect. Reported AEs were consistent with those of other extended-release amphetamine products. PMID- 29211968 TI - Men and Women Differ in the Biochemical Composition of Platelet-Rich Plasma. AB - BACKGROUND: Autologous platelet-rich plasma (PRP) is widely used for a variety of clinical applications. However, clinical outcome studies have not consistently shown positive effects. The composition of PRP differs based on many factors. An improved understanding of factors influencing the composition of PRP is important for the optimization of PRP use. HYPOTHESIS: Age and sex influence the PRP composition in healthy patients. STUDY DESIGN: Controlled laboratory study. METHODS: Blood from 39 healthy patients was collected at a standardized time and processed into leukocyte-poor PRP within 1 hour of collection using the same laboratory centrifuge protocol and frozen for later analysis. Eleven female and 10 male patients were "young" (aged 18-30 years), while 8 male and 10 female patients were "older" (aged 45-60 years). Thawed PRP samples were assessed for cytokine and growth factor levels using a multiplex assay and enzyme-linked immunosorbent assay. The platelet count and high-sensitivity C-reactive protein levels were measured. Two-way analysis of variance determined age- and sex-based differences. RESULTS: Platelet and high-sensitivity C-reactive protein concentrations were similar in PRP between the groups ( P = .234). Male patients had higher cytokine and growth factor levels in PRP compared with female patients for inflammatory cytokines such as interleukin-1 beta (IL-1beta) (9.83 vs 7.71 pg/mL, respectively; P = .008) and tumor necrosis factor-alpha (TNF-alpha) (131.6 vs 110.5 pg/mL, respectively; P = .048); the anti-inflammatory IL-1 receptor antagonist protein (IRAP) (298.0 vs 218.0 pg/mL, respectively; P < .001); and growth factors such as fibroblast growth factor-basic (FGF-basic) (237.9 vs 194.0 pg/mL, respectively; P = .01), platelet-derived growth factor (PDGF-BB) (3296.2 vs 2579.3 pg/mL, respectively; P = .087), and transforming growth factor-beta 1 (TGF-beta1) (118.8 vs 92.8 ng/mL, respectively; P = .002). Age- but not sex related differences were observed for insulin-like growth factor-1 (IGF-1) ( P < .001). Age and sex interaction terms were not significant. While mean differences were significant, there was also substantial intragroup variability. CONCLUSION: This study in healthy patients shows differences in the composition of PRP between men and women, with sex being a greater factor than age. There was also proteomic variability within the groups. These data support a personalized approach to PRP treatment and highlight the need for a greater understanding of the relationships between proteomic factors in PRP and clinical outcomes. CLINICAL RELEVANCE: Variability in the proteomic profile of PRP may affect tissue and clinical responses to treatment. These data suggest that clinical studies should account for the composition of PRP used. PMID- 29211969 TI - Use of Platelet-Rich Plasma Immediately After an Injury Did Not Improve Ligament Healing, and Increasing Platelet Concentrations Was Detrimental in an In Vivo Animal Model. AB - BACKGROUND: Limited information in basic science and clinical trials exists to determine if ligament healing may be accelerated with the use of biological adjuvants, such as platelet-rich plasma (PRP). However, there has been widespread acceptance of PRP for use in clinical practice, despite an inadequate understanding of its biological mechanism of action. PURPOSE: To determine whether a single dose of PRP could accelerate ligament healing and correspondingly improve histological characteristics and biomechanical properties when injected immediately postoperatively into the injured medial collateral ligament (MCL) of New Zealand White rabbits. STUDY DESIGN: Controlled laboratory study. METHODS: Eighty skeletally mature New Zealand White rabbits (160 knees) were used. The MCL was torn midbody to simulate a grade 3 tear. After an acute injury of the MCL, the administration of autologous PRP at 3 different platelet concentrations (0 million/uL, platelet-poor plasma [PPP]; 0.6 million/uL, 2 times the baseline [2* PRP]; and 1.2 million/uL, 4 times the baseline [4* PRP]) was performed and compared with a saline injection control in the contralateral knee. Histological analysis and a biomechanical endpoint characterization were utilized to assess ligamentous healing and compare it to a sham surgery group. RESULTS: The PPP ( P = .001) and 4* PRP ( P = .002) groups had a significantly lower collagen subscore than the sham surgery group. No other differences were observed among the treatment groups, including the vascularity subscore and overall ligament tissue maturity index score. Compared with saline-injected contralateral knees, the maximum load for PPP and 2* PRP was not significantly different ( P = .788 and .325, respectively). The maximum load and stiffness for knees treated with 4* PRP were significantly less than for the saline-treated contralateral knees ( P = .006 and .001, respectively). CONCLUSION: One single dose of PPP or 2* PRP at the time of injury did not improve ligament healing. In addition, 4* PRP negatively affected ligament strength and histological characteristics at 6 weeks after the injury. CLINICAL RELEVANCE: The current practice of treating knee ligament injuries with PRP may not improve healing at low doses of PRP. The decreased mechanical properties and histological appearance of the torn MCL suggest that high doses of PRP decrease the quality of repair tissue. Further in vivo studies are necessary to determine the dosing and timing of PRP administration after a ligament injury before the widespread use of PRP to treat ligament injuries is recommended. PMID- 29211970 TI - Facilitating In Vivo Articular Cartilage Repair by Tissue-Engineered Cartilage Grafts Produced From Auricular Chondrocytes. AB - BACKGROUND: Insufficient cell numbers still present a challenge for articular cartilage repair. Converting heterotopic auricular chondrocytes by extracellular matrix may be the solution. HYPOTHESIS: Specific extracellular matrix may convert the phenotype of auricular chondrocytes toward articular cartilage for repair. STUDY DESIGN: Controlled laboratory study. METHODS: For in vitro study, rabbit auricular chondrocytes were cultured in monolayer for several passages until reaching status of dedifferentiation. Later, they were transferred to chondrogenic type II collagen (Col II)-coated plates for further cell conversion. Articular chondrogenic profiles, such as glycosaminoglycan deposition, articular chondrogenic gene, and protein expression, were evaluated after 14-day cultivation. Furthermore, 3-dimensional constructs were fabricated using Col II hydrogel-associated auricular chondrocytes, and their histological and biomechanical properties were analyzed. For in vivo study, focal osteochondral defects were created in the rabbit knee joints, and auricular Col II constructs were implanted for repair. RESULTS: The auricular chondrocytes converted by a 2 step protocol expressed specific profiles of chondrogenic molecules associated with articular chondrocytes. The histological and biomechanical features of converted auricular chondrocytes became similar to those of articular chondrocytes when cultivated with Col II 3-dimensional scaffolds. In an in vivo animal model of osteochondral defects, the treated group (auricular Col II) showed better cartilage repair than did the control groups (sham, auricular cells, and Col II). Histological analyses revealed that cartilage repair was achieved in the treated groups with abundant type II collagen and glycosaminoglycans syntheses rather than elastin expression. CONCLUSION: The study confirmed the feasibility of applying heterotopic chondrocytes for cartilage repair via extracellular matrix-induced cell conversion. CLINICAL RELEVANCE: This study proposes a feasible methodology to convert heterotopic auricular chondrocytes for articular cartilage repair, which may serve as potential alternative sources for cartilage repair. PMID- 29211971 TI - Sold as Heroin: Perceptions and Use of an Evolving Drug in Baltimore, MD. AB - Since 2001, heroin-related overdose deaths in the United States have risen six fold, a rise unaccounted for by the expanding user population. Has heroin become a more dangerous drug? Reports of fentanyl and its analogs, often concealed in or sold as heroin, have also increased sharply. This article investigates heroin injectors' perceptions and experiences of changes in the heroin supply in the East Coast city of Baltimore, Maryland, currently facing an epidemic in heroin- and fentanyl-related overdose deaths. Unusually, Baltimore's heroin market is divided between two types: "Raw," believed to be Colombian in origin and relatively pure, and the more adulterated "Scramble" (raw heroin traditionally blended with quinine and lactose). Users reported that Scramble heroin, while gaining market share, has become a highly unstable product, varying dramatically in appearance, intensity of onset, duration of action, and effect. Some considered that Scramble was no longer "heroin," but was heavily adulterated or even replaced, mentioning fentanyl, benzodiazepines, and crushed opioid pills as additives. There was intense awareness of overdose as a present danger in users' lives, which they linked to the recent adulteration of the heroin supply. Responses to this perceived adulteration varied, including information gathering, attraction, avoidance, taking precautions, and acceptance. PMID- 29211972 TI - Reduction of cadmium uptake in rice endophytically colonized with the cadmium tolerant bacterium Cupriavidus taiwanensis KKU2500-3. AB - The effects of the cadmium (Cd)-tolerant bacterium Cupriavidus taiwanensis KKU2500-3 on the growth, yield, and Cd concentration in rice grains were investigated in the rice variety Phitsanulok 2 (PL2), which was cultivated in a hydroponic greenhouse. The numbers of Cd-tolerant bacteria isolated from the roots and shoots of plants under the RB (rice with bacteria) and RBC (rice with bacteria and Cd) treatments ranged from 2.60 to 9.03 and from 3.99 to 9.60 log cfu.g-1 of PL2, respectively. This KKU2500-3 strain was successfully colonized in rice, indicating that it was not only nontoxic to the plants but also became distributed and reproduced throughout the plants. Scanning electron microscopy analysis revealed attachment of the bacterium to the root surface, whereas the internally colonized bacteria were located in the vascular tissue, cell wall, and intercellular space. Although the Cd contents found in PL2 were very high (189.10 and 79.49 mg.kg-1 in the RC (rice with Cd) and RBC roots, respectively), the Cd accumulated inside the rice seeds at densities of only 3.10 and 1.31 mg.kg-1, respectively; thus, the bacteria reduced the Cd content to 57.74% of the control content. Therefore, the colonizing bacteria likely acted as an inhibitor of Cd translocation in PL2. PMID- 29211975 TI - Moving Toward the Future in the Diagnosis of Mental Disorders. PMID- 29211974 TI - Three Approaches to Understanding and Classifying Mental Disorder: ICD-11, DSM-5, and the National Institute of Mental Health's Research Domain Criteria (RDoC). AB - The diagnosis of mental disorder initially appears relatively straightforward: Patients present with symptoms or visible signs of illness; health professionals make diagnoses based primarily on these symptoms and signs; and they prescribe medication, psychotherapy, or both, accordingly. However, despite a dramatic expansion of knowledge about mental disorders during the past half century, understanding of their components and processes remains rudimentary. We provide histories and descriptions of three systems with different purposes relevant to understanding and classifying mental disorder. Two major diagnostic manuals-the International Classification of Diseases and the Diagnostic and Statistical Manual of Mental Disorders-provide classification systems relevant to public health, clinical diagnosis, service provision, and specific research applications, the former internationally and the latter primarily for the United States. In contrast, the National Institute of Mental Health's Research Domain Criteria provides a framework that emphasizes integration of basic behavioral and neuroscience research to deepen the understanding of mental disorder. We identify four key issues that present challenges to understanding and classifying mental disorder: etiology, including the multiple causality of mental disorder; whether the relevant phenomena are discrete categories or dimensions; thresholds, which set the boundaries between disorder and nondisorder; and comorbidity, the fact that individuals with mental illness often meet diagnostic requirements for multiple conditions. We discuss how the three systems' approaches to these key issues correspond or diverge as a result of their different histories, purposes, and constituencies. Although the systems have varying degrees of overlap and distinguishing features, they share the goal of reducing the burden of suffering due to mental disorder. PMID- 29211976 TI - Erratum. PMID- 29211977 TI - Waste Not, Want Not: Lactate Oxidation Fuels the TCA Cycle. AB - Previous studies have demonstrated that mitochondrial respiration is essential for tumorigenesis. Hui et al. (2017) and Faubert et al. (2017) demonstrate that lactate, traditionally viewed as a waste product of anaerobic and aerobic glycolysis, is a major carbon source to fuel the mitochondrial TCA cycle in normal tissue and in tumors. PMID- 29211978 TI - RevAMPing Mitochondrial Shape to Live Longer. AB - Whether and how mitochondria connect reduced energy intake to healthy aging are unclear. In this issue of Cell Metabolism, Weir et al. (2017) find that constitutive AMPK activation and dietary restriction promote longevity in C. elegans via remodeling of the mitochondrial network and fatty acid oxidation in peripheral tissues. PMID- 29211979 TI - Transcriptional Noise and Somatic Mutations in the Aging Pancreas. AB - The underlying mechanisms and functional significance of pancreatic beta cell heterogeneity are an intensive area of investigation. In a recent Cell paper, Enge and colleagues (2017) performed single-cell RNA sequencing of human pancreatic cells and concluded that with age, pancreatic cells become transcriptionally noisy and accumulate somatic mutations. PMID- 29211980 TI - When Cancer Cells Are Given Lemo[NH3]s, They Make Lemo[NH3]ade. AB - In normal physiology, end-products of metabolism are excreted from the body. In tumors, these metabolic wastes accumulate due to deregulated metabolism and vascular insufficiency. Spinelli et al. (2017) show that breast cancer cells adapt to ammonia buildup by recycling it for amino acid synthesis, which can support cancer cell growth. PMID- 29211981 TI - MAIT Cells: A Link between Gut Integrity and Type 1 Diabetes. AB - Type 1 diabetes (T1D) is a multifactorial autoimmune disease whose etiology involves complex interactions between the immune system and the intestinal microbiota. Recent studies by Rouxel et al. (2017) suggest that innate-like mucosal-associated invariant T cells (MAIT cells) may link gut integrity, the microbiota, and T1D. PMID- 29211982 TI - Structural Insight into a Fatty-Acyl Chaperone for Wnt Proteins. AB - Wnt signaling proteins are fatty-acylated and bind to the protein afamin. The afamin-Wnt complex increases Wnt solubility dramatically and is likely involved in Wnt trafficking. In this issue of Structure, Naschberger et al. (2017) determine the crystal structure of afamin in complex with palmitoleic acid, revealing how afamin binds palmitoleoylated Wnt. PMID- 29211983 TI - How and Why Chaperone-Usher Pilus Rods Stretch. AB - Type 1 and P pili are important virulence factors of uropathogenic Escherichia coli, the leading cause of urinary tract infections. In this issue of Structure, Hospenthal et al. (2017) describe a near-atomic resolution cryo-EM structure of the type 1 pilus rod, providing molecular insights into rod uncoiling in two pili. PMID- 29211984 TI - Promiscuous Protein Binding as a Function of Protein Stability. AB - Proteins have evolved to balance efficient binding of desired partners with rejection of unwanted interactions. To investigate the evolution of protein protein interactions, we selected a random library of pre-stabilized TEM1 beta lactamase against wild-type TEM1 using yeast surface display. Three mutations were sufficient to achieve micromolar affinity binding between the two. The X-ray structure emphasized that the main contribution of the selected mutations was to modify the protein fold, specifically removing the N'-terminal helix, which consequently allowed protein coupling via a beta-sheet-mediated interaction resembling amyloid interaction mode. The only selected mutation located at the interaction interface (E58V) is reminiscent of the single mutation commonly causing sickle-cell anemia. Interestingly, the evolved mutations cannot be inserted into the wild-type protein due to reduced thermal stability of the resulting mutant protein. These results reveal a simple mechanism by which undesirable binding is purged by loss of thermal stability. PMID- 29211985 TI - The RNA-Binding Site of Poliovirus 3C Protein Doubles as a Phosphoinositide Binding Domain. AB - Some viruses use phosphatidylinositol phosphate (PIP) to mark membranes used for genome replication or virion assembly. PIP-binding motifs of cellular proteins do not exist in viral proteins. Molecular-docking simulations revealed a putative site of PIP binding to poliovirus (PV) 3C protein that was validated using nuclear magnetic resonance spectroscopy. The PIP-binding site was located on a highly dynamic alpha helix, which also functions in RNA binding. Broad PIP binding activity was observed in solution using a fluorescence polarization assay or in the context of a lipid bilayer using an on-chip, fluorescence assay. All atom molecular dynamics simulations of the 3C protein-membrane interface revealed PIP clustering and perhaps PIP-dependent conformations. PIP clustering was mediated by interaction with residues that interact with the RNA phosphodiester backbone. We conclude that 3C binding to membranes will be determined by PIP abundance. We suggest that the duality of function observed for 3C may extend to RNA-binding proteins of other viruses. PMID- 29211986 TI - tRNA Fluctuations Observed on Stalled Ribosomes Are Suppressed during Ongoing Protein Synthesis. AB - The pretranslocation complex of the ribosome can undergo spontaneous fluctuations of messenger RNA and transfer RNAs (tRNAs) between classical and hybrid states, and occupation of the hybrid tRNA positions has been proposed to precede translocation. The classical and hybrid state tRNA positions have been extensively characterized when the ribosome is stalled along the messenger RNA by either the absence or delayed addition of elongation factor G (EF-G), or by the presence of antibiotics or GTP analogs that block translocation. However, during multiple ongoing elongation cycles when both EF-G and ternary complexes are present, EF-G can bind to the pretranslocation complex much faster than the timescale of the classic-hybrid transitions. Using single-molecule fluorescence resonance energy transfer between adjacent tRNAs and between A-site tRNA and ribosomal protein L11, we found that the tRNAs do not fluctuate between the hybrid and classical states, but instead adopt a position with fluorescence resonance energy transfer efficiencies between those of the stalled classical and hybrid states. PMID- 29211987 TI - Crystal Structures of Cyanine Fluorophores Stacked onto the End of Double Stranded RNA. AB - The indodicarbocyanine fluorophores Cy3 and Cy5 are extensively used as donor acceptor pairs in fluorescence resonance energy transfer experiments, especially those involving single molecules. When terminally attached to double-stranded nucleic acids via the 5' phosphate group these fluorophores stack onto the ends of the molecule. Knowledge of the positions of the fluorophores is critical to the interpretation of fluorescence resonance energy transfer data. The positions have been demonstrated for double-stranded (ds) DNA using NMR spectroscopy. Here, we have used x-ray crystallography to analyze the location of Cy3 and Cy5 on dsRNA, using complexes of an RNA stem-loop bound to L5 protein determined at 2.4 A resolution. This confirms the tendency of both fluorophores to stack on the free end of RNA, with the long axis of the fluorophores approximately parallel to that of the terminal basepair. However, the manner of interaction of both Cy3 and Cy5 with the terminus of the dsRNA is significantly different from that deduced for dsDNA using NMR. The fluorophores are stacked on the terminal basepair such that their indole nitrogen atoms lie on the major groove side, and thus their pendant methyl groups are on the minor groove side. PMID- 29211988 TI - Assessing Exhaustiveness of Stochastic Sampling for Integrative Modeling of Macromolecular Structures. AB - Modeling of macromolecular structures involves structural sampling guided by a scoring function, resulting in an ensemble of good-scoring models. By necessity, the sampling is often stochastic, and must be exhaustive at a precision sufficient for accurate modeling and assessment of model uncertainty. Therefore, the very first step in analyzing the ensemble is an estimation of the highest precision at which the sampling is exhaustive. Here, we present an objective and automated method for this task. As a proxy for sampling exhaustiveness, we evaluate whether two independently and stochastically generated sets of models are sufficiently similar. The protocol includes testing 1) convergence of the model score, 2) whether model scores for the two samples were drawn from the same parent distribution, 3) whether each structural cluster includes models from each sample proportionally to its size, and 4) whether there is sufficient structural similarity between the two model samples in each cluster. The evaluation also provides the sampling precision, defined as the smallest clustering threshold that satisfies the third, most stringent test. We validate the protocol with the aid of enumerated good-scoring models for five illustrative cases of binary protein complexes. Passing the proposed four tests is necessary, but not sufficient for thorough sampling. The protocol is general in nature and can be applied to the stochastic sampling of any set of models, not just structural models. In addition, the tests can be used to stop stochastic sampling as soon as exhaustiveness at desired precision is reached, thereby improving sampling efficiency; they may also help in selecting a model representation that is sufficiently detailed to be informative, yet also sufficiently coarse for sampling to be exhaustive. PMID- 29211989 TI - Allosteric Control of a Plant Receptor Kinase through S-Glutathionylation. AB - Growing evidence supports the importance of protein S-glutathionylation as a regulatory post-translational modification with functional consequences for proteins. Discoveries of redox-state-dependent protein kinase S-glutathionylation have fueled discussion of redox-sensitive signaling. Following previously published experimental evidence for S-glutathionylation induced deactivation of the Arabidopsis thaliana kinase BRASSINOSTEROID INSENSITIVE 1-ASSOCIATED RECEPTOR LIKE KINASE 1 (BAK1), we investigated the consequences of S-glutathionylation on the equilibrium conformational ensemble of BAK1 using all-atom molecular dynamics simulations. We found that glutathionylation of C408 allosterically destabilizes the active-like state of BAK1 and stabilizes an inactive conformation known to recur in protein kinases. Glutathionylation of C408 also has structural consequences throughout the BAK1 kinase domain, whereas glutathionylation of C353 in the N-lobe and C374 near the ATP-binding site have few notable effects on BAK1 compared with the unmodified protein. Our results suggest an allosteric mechanism for inhibition of BAK1 by C408 S-glutathionylation, and more generally, support the notion of protein kinase S-glutathionylation as a means of redox signaling in plant cells. PMID- 29211990 TI - The Photosystem II Subunit S under Stress. AB - Nonphotochemical quenching is the protective mechanism against overexcitation of photosystem II, triggered by excess DeltapH in photosynthetic membranes. The light-harvesting complexes (LHCs), the de-epoxidation of violaxanthin to zeaxanthin, and the photosystem II subunit S (PsbS) work in synergy for an optimized multilevel response. Understanding the fine details of this synergy has proven challenging to scientific research. Here, we employ large-scale, all-atom molecular simulations and beyond experimental insight, we proceed a step further in identifying the PsbS dynamics that could possibly be associated with this synergy. For the first time, to our knowledge, we probe the distinct behavior of PsbS under DeltapH that probes the details of the potential dimer-to-monomer transition, and in a violaxanthin/zeaxanthin-rich membrane, at an all-atom resolution. We propose that the lumen-exposed residues, threonine 162 and glutamic acid 173, form stabilizing hydrogen bonds between the PsbS monomers only at high lumen pH, whereas at low pH (excess DeltapH) this interaction is lost, and leads to higher flexibility of the protein and potentially to the dimer-to monomer transition. Lastly, we discuss how conformational changes under the presence of DeltapH/zeaxanthin are related to the PsbS role in the current nonphotochemical quenching model in the literature. For the latter, we probe a PsbS-monomeric LHCII association. The association is proposed to potentially alter the monomeric LHCII sensitivity to DeltapH by changing the pKa values of interacting LHCII residues. This serves as an example where protonation-ligation events enhance protein-protein interactions fundamental to many life processes. PMID- 29211991 TI - Low-Resolution Structure of Detergent-Solubilized Membrane Proteins from Small Angle Scattering Data. AB - Despite the ever-increasing usage of small-angle scattering as a valuable complementary method in the field of structural biology, applications concerning membrane proteins remain elusive mainly due to experimental challenges and the relative lack of theoretical tools for the treatment of scattering data. This fact adds up to general difficulties encountered also by other established methods (crystallography, NMR) for the study of membrane proteins. Following the general paradigm of ab initio methods for low-resolution restoration of soluble protein structure from small-angle scattering data, we construct a general multiphase model with a set of physical constraints, which, together with an appropriate minimization procedure, gives direct structural information concerning the different components (protein, detergent molecules) of detergent solubilized membrane protein complexes. Assessment of the method's precision and robustness is evaluated by performing shape restorations from simulated data of a tetrameric alpha-helical membrane channel (Aquaporin-0) solubilized by n-Dodecyl beta-D-Maltoside and from previously published small-angle neutron scattering experimental data of the filamentous hemagglutinin adhesin beta-barrel protein transporter solubilized by n-Octyl beta-D-glucopyranoside. It is shown that the acquisition of small-angle neutron scattering data at two different solvent contrasts, together with an estimation of detergent aggregation number around the protein, permits the reliable reconstruction of the shape of membrane proteins without the need for any prior structural information. PMID- 29211992 TI - Fluctuation Analysis in Nonstationary Conditions: Single Ca2+ Channel Current in Pyramidal Neurons. AB - Fluctuation analysis is a method that allows measurement of the single-channel current of ion channels even when it is too small to be resolved directly with the patch-clamp technique. This is the case for voltage-gated calcium channels. They are present in all mammalian central neurons, controlling presynaptic release of transmitter, postsynaptic signaling, and synaptic integration. The amplitudes of their single-channel currents in a physiological concentration of extracellular calcium, however, are small and not well determined. But measurement of this quantity is essential for estimating numbers of functional voltage-gated calcium channels in the membrane and the size of channel-associated calcium signaling domains, and for understanding the stochastic nature of calcium signaling. Here, we recorded the voltage-gated calcium channel current in nucleated patches from layer 5 pyramidal neurons in rat neocortex, in physiological external calcium (1-2 mM). The ensemble-averaging of current responses required for conventional fluctuation analysis proved impractical because of the rapid rundown of calcium channel currents. We therefore developed a more robust method, using mean current fitting of individual current responses and band-pass filtering. Furthermore, voltage-ramp stimulation proved useful. We validated the accuracy of the method by analyzing simulated data. At an external calcium concentration of 1 mM, and a membrane potential of -20 mV, we found that the average single-channel current amplitude was ~0.04 pA, increasing to 0.065 pA at 2 mM external calcium, and 0.12 pA at 5 mM. The relaxation time constant of the fluctuations was in the range 0.2-0.8 ms. The results are relevant to understanding the stochastic properties of dendritic Ca2+ spikes in neocortical layer 5 pyramidal neurons. With the reported method, single-channel current amplitude of native voltage-gated calcium channels can be resolved accurately despite conditions of unstable rundown. PMID- 29211993 TI - Single-Molecule Study Reveals How Receptor and Ras Synergistically Activate PI3Kalpha and PIP3 Signaling. AB - Cellular pathways controlling chemotaxis, growth, survival, and oncogenesis are activated by receptor tyrosine kinases and small G-proteins of the Ras superfamily that stimulate specific isoforms of phosphatidylinositol-3-kinase (PI3K). These PI3K lipid kinases phosphorylate the constitutive lipid phosphatidylinositol-4,5-bisphosphate (PIP2) to produce the signaling lipid phosphatidylinositol-3,4,5-trisphosphate (PIP3). Progress has been made in understanding direct, moderate PI3K activation by receptors. In contrast, the mechanism by which receptors and Ras synergistically activate PI3K to much higher levels remains unclear, and two competing models have been proposed: membrane recruitment versus activation of the membrane-bound enzyme. To resolve this central mechanistic question, this study employs single-molecule imaging to investigate PI3K activation in a six-component pathway reconstituted on a supported lipid bilayer. The findings reveal that simultaneous activation by a receptor activation loop (from platelet-derived growth factor receptor, a receptor tyrosine kinase) and H-Ras generates strong, synergistic activation of PI3Kalpha, yielding a large increase in net kinase activity via the membrane recruitment mechanism. Synergy requires receptor phospho-Tyr and two anionic lipids (phosphatidylserine and PIP2) to make PI3Kalpha competent for bilayer docking, as well as for subsequent binding and phosphorylation of substrate PIP2 to generate product PIP3. Synergy also requires recruitment to membrane-bound H Ras, which greatly speeds the formation of a stable, membrane-bound PI3Kalpha complex, modestly slows its off rate, and dramatically increases its equilibrium surface density. Surprisingly, H-Ras binding significantly inhibits the specific kinase activity of the membrane-bound PI3Kalpha molecule, but this minor enzyme inhibition is overwhelmed by the marked enhancement of membrane recruitment. The findings have direct impacts for the fields of chemotaxis, innate immunity, inflammation, carcinogenesis, and drug design. PMID- 29211994 TI - Membrane Tension Inhibits Rapid and Slow Endocytosis in Secretory Cells. AB - Endocytosis generates spherical or ellipsoid-like vesicles from the plasma membrane, which recycles vesicles that fuse with the plasma member during exocytosis in neurons and endocrine secretory cells. Although tension in the plasma membrane is generally considered to be an important factor in regulating endocytosis, whether membrane tension inhibits or facilitates endocytosis remains debated in the endocytosis field, and has been rarely studied for vesicular endocytosis in secretory cells. Here we report that increasing membrane tension by adjusting osmolarity inhibited both the rapid (a few seconds) and slow (tens of seconds) endocytosis in calyx-type nerve terminals containing conventional active zones and in neuroendocrine chromaffin cells. We address the mechanism of this phenomenon by computational modeling of the energy barrier that the system must overcome at the stage of membrane budding by an assembling protein coat. We show that this barrier grows with increasing tension, which may slow down or prevent membrane budding. These results suggest that in live secretory cells, membrane tension exerts inhibitory action on endocytosis. PMID- 29211995 TI - Identification of Two New Cholesterol Interaction Sites on the A2A Adenosine Receptor. AB - By mole, cholesterol is the most abundant component of animal cell plasma membranes. Many membrane proteins have been shown to be functionally dependent on cholesterol, several of which have also been shown to bind cholesterol at well defined locations on their membrane-facing surface. In this work, a combination of coarse-grained "Martini" and all-atom simulations are used to identify two, to our knowledge, new cholesterol-binding sites on the A2A adenosine receptor, a G protein-coupled receptor that is a target for the treatment of Parkinson's disease. One of the sites is also observed to bind cholesterol in several recent, high-resolution crystal structures of the protein, and in the simulations, interacts with cholesterol only when bound to the inverse agonist ZM241385. Cataloguing cholesterol-binding sites is a vital step in the effort to understand cholesterol-dependent function of membrane proteins. Given that cholesterol content in plasma membranes varies with cell type and on administration of widely prescribed pharmaceuticals, such as statins, understanding cholesterol-dependent function is an important step toward exploiting membrane compositional variation for therapeutic purposes. PMID- 29211996 TI - Hallmarks of Reversible Separation of Living, Unperturbed Cell Membranes into Two Liquid Phases. AB - Controversy has long surrounded the question of whether spontaneous lateral demixing of membranes into coexisting liquid phases can organize proteins and lipids on micron scales within unperturbed, living cells. A clear answer hinges on observation of hallmarks of a reversible phase transition. Here, by directly imaging micron-scale membrane domains of yeast vacuoles both in vivo and cell free, we demonstrate that the domains arise through a phase separation mechanism. The domains are large, have smooth boundaries, and can merge quickly, consistent with fluid phases. Moreover, the domains disappear above a distinct miscibility transition temperature (Tmix) and reappear below Tmix, over multiple heating and cooling cycles. Hence, large-scale membrane organization in living cells under physiologically relevant conditions can be controlled by tuning a single thermodynamic parameter. PMID- 29211997 TI - Challenges in Estimating the Motility Parameters of Single Processive Motor Proteins. AB - Cytoskeletal motor proteins are essential to the function of a wide range of intracellular mechano-systems. The biophysical characterization of their movement along their filamentous tracks is therefore of large importance. Toward this end, single-molecule, in vitro stepping-motility assays are commonly used to determine motor velocity and run length. However, comparing results from such experiments has proved difficult due to influences from variations in the experimental conditions and the data analysis methods. Here, we investigate the movement of fluorescently labeled, processive, dimeric motor proteins and propose a unified algorithm to correct the measurements for finite filament length as well as photobleaching. Particular emphasis is put on estimating the statistical errors associated with the proposed evaluation method, as knowledge of these values is crucial when comparing measurements from different experiments. Testing our approach with simulated and experimental data from GFP-labeled kinesin-1 motors stepping along immobilized microtubules, we show 1) that velocity distributions should be fitted by a t location-scale probability density function rather than by a normal distribution; 2) that the impossibility to measure events shorter than the image acquisition time needs to be taken into account; 3) that the interaction time and run length of the motors can be estimated independent of the filament length distribution; and 4) that the dimeric nature of the motors needs to be considered when correcting for photobleaching. Moreover, our analysis reveals that controlling the temperature during the experiments with a precision below 1 K is of importance. We believe our method will not only improve the evaluation of experimental data, but also allow for better statistical comparisons between different populations of motor proteins (e.g., with distinct mutations or linked to different cargos) and filaments (e.g., in distinct nucleotide states or with different posttranslational modifications). Therefore, we include a detailed workflow for image processing and analysis (including MATLAB code), serving as a tutorial for the estimation of motility parameters in stepping-motility assays. PMID- 29211998 TI - Tropomyosin Must Interact Weakly with Actin to Effectively Regulate Thin Filament Function. AB - Elongated tropomyosin, associated with actin-subunits along the surface of thin filaments, makes electrostatic interactions with clusters of conserved residues, K326, K328, and R147, on actin. The association is weak, permitting low-energy cost regulatory movement of tropomyosin across the filament during muscle activation. Interestingly, acidic D292 on actin, also evolutionarily conserved, lies adjacent to the three-residue cluster of basic amino acids and thus may moderate the combined local positive charge, diminishing tropomyosin-actin interaction and facilitating regulatory-switching. Indeed, charge neutralization of D292 is connected to muscle hypotonia in individuals with D292V actin mutations and linked to congenital fiber-type disproportion. Here, the D292V mutation may predispose tropomyosin-actin positioning to a myosin-blocking state, aberrantly favoring muscle relaxation, thus mimicking the low-Ca2+ effect of troponin even in activated muscles. To test this hypothesis, interaction energetics and in vitro function of wild-type and D292V filaments were measured. Energy landscapes based on F-actin-tropomyosin models show the mutation localizes tropomyosin in a blocked-state position on actin defined by a deeper energy minimum, consistent with augmented steric-interference of actin-myosin binding. In addition, whereas myosin-dependent motility of troponin/tropomyosin-free D292V F-actin is normal, motility is dramatically inhibited after addition of tropomyosin to the mutant actin. Thus, D292V-induced blocked-state stabilization appears to disrupt the delicately poised energy balance governing thin filament regulation. Our results validate the premise that stereospecific but necessarily weak binding of tropomyosin to F-actin is required for effective thin filament function. PMID- 29212000 TI - Is Aggregate-Dependent Yeast Aging Fortuitous? A Model of Damage Segregation and Aggregate Dynamics. AB - During cytokinesis in Saccharomyces cerevisiae, damaged proteins are distributed unequally between the daughter and mother cells. The retention of these proteins is correlated with yeast aging. Even though evidence suggests that aggregates are retained due to an underlying molecular mechanism, the debate on whether an active mechanism is necessary for this asymmetry remains unsolved. In particular, passive diffusion and a bud-specific dilution remain as possible explanations. Here, a computational and mathematical model is provided to test whether passive mechanisms alone are sufficient to account for the aggregate distribution patterns and the aggregate kinetics observed in living cells. To this author's knowledge, this is the most comprehensive model available on this subject and the only one combining key potentially essential passive-only mechanisms proposed in existing bibliography-namely, the geometrical effect of the dividing yeast cell on the diffusion of protein aggregates, and the possibility of aggregate binding and aggregate formation at different rates. Results suggest that although passive processes alone can reproduce certain averaged observables from experimental bibliography, they are insufficient to vindicate aggregate activity observed in living budding yeast cells. These results are complemented by showing that under basic forms of active quality control, discrepancies between the outputs of the model and experimental bibliography are reduced. PMID- 29211999 TI - A Simple and Powerful Analysis of Lateral Subdiffusion Using Single Particle Tracking. AB - In biological membranes, many factors such as cytoskeleton, lipid composition, crowding, and molecular interactions deviate lateral diffusion from the expected random walks. These factors have different effects on diffusion but act simultaneously, so the observed diffusion is a complex mixture of diffusive behaviors (directed, Brownian, anomalous, or confined). Therefore, commonly used approaches to quantify diffusion based on averaging of the displacements such as the mean square displacement, are not adapted to the analysis of this heterogeneity. We introduce a parameter-the packing coefficient Pc, which gives an estimate of the degree of free movement that a molecule displays in a period of time independently of its global diffusivity. Applying this approach to two different situations (diffusion of a lipid probe and trapping of receptors at synapses), we show that Pc detected and localized temporary changes of diffusive behavior both in time and in space. More importantly, it allowed the detection of periods with very high confinement as well as their frequency and duration, and thus it can be used to calculate the effective kon and koff of scaffolding interactions such as those that immobilize receptors at synapses. PMID- 29212001 TI - Mechanism of Kin-Discriminatory Demarcation Line Formation between Colonies of Swarming Bacteria. AB - Swarming bacteria use kin discrimination to preferentially associate with their clonemates for certain cooperative behaviors. Kin discrimination can manifest as an apparent demarcation line (a region lacking cells or with much lower cell density) between antagonist strains swarming toward each other. In contrast, two identical strains merge with no demarcation. Experimental studies suggest contact dependent killing between different strains as a mechanism of kin discrimination, but it is not clear whether this killing is sufficient to explain the observed patterns. Here, we investigate the formation of demarcation line with a mathematical model. First, using data from competition experiments between kin discriminating strains of Myxococcus xanthus and Proteus mirabilis, we found the rates of killing between the strains to be highly asymmetric, i.e., one strain kills another at a much higher rate. Then, to investigate how such asymmetric interactions can lead to a stable demarcation line, we construct reaction diffusion models for colony expansion of kin-discriminatory strains. Our results demonstrate that a stable demarcation line can form when both cell movement and cell growth cease at low nutrient levels. Further, our study suggests that, depending on the initial separation between the inoculated colonies, the demarcation line may move transiently before stabilizing. We validated these model predictions by observing dynamics of merger between two M. xanthus strains, where one strain expresses a toxin protein that kills a second strain lacking the corresponding antitoxin. Our study therefore provides a theoretical understanding of demarcation line formation between kin-discriminatory populations, and can be used for analyzing and designing future experiments. PMID- 29212002 TI - Going with the Flow: Water Flux and Cell Shape during Cytokinesis. AB - Cell shape changes during cytokinesis in eukaryotic cells have been attributed to contractile forces from the actomyosin ring and the actomyosin cortex. Here we propose an additional mechanism where active pumping of ions and water at the cell poles and the division furrow can also achieve the same type of shape change during cytokinesis without myosin contraction. We develop a general mathematical model to examine shape changes in a permeable object subject to boundary fluxes. We find that hydrodynamic flows in the cytoplasm and the relative drag between the cytoskeleton network phase and the water phase also play a role in determining the cell shape during cytokinesis. Forces from the actomyosin contractile ring and cortex do contribute to the cell shape, and can work together with water permeation to facilitate cytokinesis. To influence water flow, we osmotically shock the cell during cell division, and find that the cell can actively adapt to osmotic changes and complete division. Depolymerizing the actin cytoskeleton during cytokinesis also does not affect the contraction speed. We also explore the role of membrane ion channels and pumps in setting up the spatially varying water flux. PMID- 29212003 TI - SOCE Is Important for Maintaining Sarcoplasmic Calcium Content and Release in Skeletal Muscle Fibers. AB - Store-operated Ca2+ entry (SOCE) is a Ca2+-entry process activated by the depletion of intracellular stores and has an important role in many cell types. In skeletal muscle, however, its role during physiological muscle activation has been controversial. To address this question, sarcoplasmic reticulum (SR) calcium release in a mouse strain with a naturally occurring mutation in the myostatin gene (Compact (Cmpt)) leading to a hypermuscular yet reduced muscle-force phenotype was compared to that in wild-type mice. To elicit Ca2+ release from the SR of flexor digitorum brevis (FDB) fibers, either a ryanodine receptor agonist (4-chloro-meta-cresol) or depolarizing pulses were used. In muscles from Cmpt mice, endogenous protein levels of STIM1 and Orai1 were reduced, and consequently, SOCE after 4-chloro-meta-cresol-induced store depletion was suppressed. Although the voltage dependence of SR calcium release was not statistically different between wild-type and Cmpt fibers, the amount of releasable calcium was significantly reduced in the latter, indicating a smaller SR content. To assess the immediate role of SOCE in replenishing the SR calcium store, the evolution of intracellular calcium concentration during a train of long-lasting depolarizations to a maximally activating voltage was monitored. Cmpt mice exhibited a faster decline in calcium release, suggesting a compromised ability to refill the SR. A simple model that incorporates a reduced SOCE as an important partner in regulating immediate calcium influx through the surface membrane readily accounts for the steady-state reduction in SR calcium content and its more pronounced decline after calcium release. PMID- 29212004 TI - Investigating Focal Adhesion Substructures by Localization Microscopy. AB - Cells rely on focal adhesions (FAs) to carry out a variety of important tasks, including motion, environmental sensing, and adhesion to the extracellular matrix. Although attaining a fundamental characterization of FAs is a compelling goal, their extensive complexity and small size, which can be below the diffraction limit, have hindered a full understanding. In this study we have used single-molecule localization microscopy (SMLM) to investigate integrin beta3 and paxillin in rat embryonic fibroblasts growing on two different extracellular matrix-representing substrates (i.e., fibronectin-coated substrates and specifically biofunctionalized nanopatterned substrates). To quantify the substructure of FAs, we developed a clustering method based on expectation maximization of a Gaussian mixture that accounts for localization uncertainty and background. Analysis of our SMLM data indicates that the structures within FAs, characterized as a Gaussian mixture, typically have areas between 0.01 and 1 MUm2, contain 10-100 localizations, and can exhibit substantial eccentricity. Our approach based on SMLM opens new avenues for studying structural and functional biology of molecular assemblies that display substantial varieties in size, shape, and density. PMID- 29212005 TI - Desmoglein 3 Order and Dynamics in Desmosomes Determined by Fluorescence Polarization Microscopy. AB - Desmosomes are macromolecular cell-cell junctions that provide adhesive strength in epithelial tissue. Desmosome function is inseparably linked to structure, and it is hypothesized that the arrangement, or order, of desmosomal cadherins in the intercellular space is critical for adhesive strength. However, due to desmosome size, molecular complexity, and dynamics, the role that order plays in adhesion is challenging to study. Herein, we present an excitation resolved fluorescence polarization microscopy approach to measure the spatiotemporal dynamics of order and disorder of the desmosomal cadherin desmoglein 3 (Dsg3) in living cells. Simulations were used to establish order factor as a robust metric for quantifying the spatiotemporal dynamics of order and disorder. Order factor measurements in keratinocytes showed the Dsg3 extracellular domain is ordered at the individual desmosome, single cell, and cell population levels compared to a series of disordered controls. Desmosomal adhesion is Ca2+ dependent, and reduction of extracellular Ca2+ leads to a loss of adhesion measured by dispase fragmentation assay (lambda = 15.1 min). Live cell imaging revealed Dsg3 order decreased more rapidly (lambda = 5.5 min), indicating that cadherin order is not required for adhesion. Our results suggest that rapid disordering of cadherins can communicate a change in extracellular Ca2+ concentration to the cell, leading to a downstream loss of adhesion. Fluorescence polarization is an effective bridge between protein structure and complex dynamics and the approach presented here is broadly applicable to studying order in macromolecular structures. PMID- 29212006 TI - Reconstruction of Cell Focal Adhesions using Physical Constraints and Compressive Regularization. AB - We develop a method to reconstruct, from measured displacements of an underlying elastic substrate, the spatially dependent forces that cells or tissues impart on it. Given newly available high-resolution images of substrate displacements, it is desirable to be able to reconstruct small-scale, compactly supported focal adhesions that are often localized and exist only within the footprint of a cell. In addition to the standard quadratic data mismatch terms that define least squares fitting, we motivate a regularization term in the objective function that penalizes vectorial invariants of the reconstructed surface stress while preserving boundaries. We solve this inverse problem by providing a numerical method for setting up a discretized inverse problem that is solvable by standard convex optimization techniques. By minimizing the objective function subject to a number of important physically motivated constraints, we are able to efficiently reconstruct stress fields with localized structure from simulated and experimental substrate displacements. Our method incorporates the exact solution for a stress tensor accurate to first-order finite differences and motivates the use of distance-based cutoffs for data inclusion and problem sparsification. PMID- 29212007 TI - Ultrahigh-Resolution Optical Coherence Elastography Images Cellular-Scale Stiffness of Mouse Aorta. AB - Cellular-scale imaging of the mechanical properties of tissue has helped to reveal the origins of disease; however, cellular-scale resolution is not readily achievable in intact tissue volumes. Here, we demonstrate volumetric imaging of Young's modulus using ultrahigh-resolution optical coherence elastography, and apply it to characterizing the stiffness of mouse aortas. We achieve isotropic resolution of better than 15 MUm over a 1-mm lateral field of view through the entire depth of an intact aortic wall. We employ a method of quasi-static compression elastography that measures volumetric axial strain and uses a compliant, transparent layer to measure surface axial stress. This combination is used to estimate Young's modulus throughout the volume. We demonstrate differentiation by stiffness of individual elastic lamellae and vascular smooth muscle. We observe stiffening of the aorta in regulator of G protein signaling 5 deficient mice, a model that is linked to vascular remodeling and fibrosis. We observe increased stiffness with proximity to the heart, as well as regions with micro-structural and micro-mechanical signatures characteristic of fibrous and lipid-rich tissue. High-resolution imaging of Young's modulus with optical coherence elastography may become an important tool in vascular biology and in other fields concerned with understanding the role of mechanics within the complex three-dimensional architecture of tissue. PMID- 29212009 TI - SNARE-Mediated Single-Vesicle Fusion Events with Supported and Freestanding Lipid Membranes. PMID- 29212008 TI - Stochastic Pacing Inhibits Spatially Discordant Cardiac Alternans. AB - Depressed heart rate variability is a well-established risk factor for sudden cardiac death in survivors of acute myocardial infarction and for those with congestive heart failure. Although measurements of heart rate variability provide a valuable prognostic tool, it is unclear whether reduced heart rate variability itself is proarrhythmic or if it simply correlates with the severity of autonomic nervous system dysfunction. In this work, we investigate a possible mechanism by which heart rate variability could protect against cardiac arrhythmia. Specifically, in numerical simulations, we observe an inverse relationship between the variance of stochastic pacing and the occurrence of spatially discordant alternans, an arrhythmia that is widely believed to facilitate the development of cardiac fibrillation. By analyzing the effects of conduction velocity restitution, cellular dynamics, electrotonic coupling, and stochastic pacing on the nodal dynamics of spatially discordant alternans, we provide intuition for this observed behavior and propose control strategies to inhibit discordant alternans. PMID- 29212010 TI - Moving in the Right Direction: Protein Vibrations Steering Function. PMID- 29212011 TI - Temperature-Induced Transitions in the Structure and Interfacial Rheology of Human Meibum. PMID- 29212012 TI - AgRP Accountants Compute Caloric Cost. AB - The gut-brain communication underlying energy homeostasis has been a topic of interest for years. In two new papers, Beutler et al. (2017) and Su et al. (2017) delve into the mechanisms by which satiation is represented in a well-studied population of orexigenic neurons. PMID- 29212013 TI - Cell Type of Origin Dictates the Route to Pluripotency. AB - Our current understanding of induced pluripotent stem cell (iPSC) generation has almost entirely been shaped by studies performed on reprogramming fibroblasts. However, whether the resulting model universally applies to the reprogramming process of other cell types is still largely unknown. By characterizing and profiling the reprogramming pathways of fibroblasts, neutrophils, and keratinocytes, we unveil that key events of the process, including loss of original cell identity, mesenchymal to epithelial transition, the extent of developmental reversion, and reactivation of the pluripotency network, are to a large degree cell-type specific. Thus, we reveal limitations for the use of fibroblasts as a universal model for the study of the reprogramming process and provide crucial insights about iPSC generation from alternative cell sources. PMID- 29212014 TI - Massive and Reproducible Production of Liver Buds Entirely from Human Pluripotent Stem Cells. AB - Organoid technology provides a revolutionary paradigm toward therapy but has yet to be applied in humans, mainly because of reproducibility and scalability challenges. Here, we overcome these limitations by evolving a scalable organ bud production platform entirely from human induced pluripotent stem cells (iPSC). By conducting massive "reverse" screen experiments, we identified three progenitor populations that can effectively generate liver buds in a highly reproducible manner: hepatic endoderm, endothelium, and septum mesenchyme. Furthermore, we achieved human scalability by developing an omni-well-array culture platform for mass producing homogeneous and miniaturized liver buds on a clinically relevant large scale (>108). Vascularized and functional liver tissues generated entirely from iPSCs significantly improved subsequent hepatic functionalization potentiated by stage-matched developmental progenitor interactions, enabling functional rescue against acute liver failure via transplantation. Overall, our study provides a stringent manufacturing platform for multicellular organoid supply, thus facilitating clinical and pharmaceutical applications especially for the treatment of liver diseases through multi-industrial collaborations. PMID- 29212015 TI - Opposing Post-transcriptional Control of InR by FMRP and LIN-28 Adjusts Stem Cell Based Tissue Growth. AB - Although the intrinsic mechanisms that control whether stem cells divide symmetrically or asymmetrically underlie tissue growth and homeostasis, they remain poorly defined. We report that the RNA-binding protein fragile X mental retardation protein (FMRP) limits the symmetric division, and resulting expansion, of the stem cell population during adaptive intestinal growth in Drosophila. The elevated insulin sensitivity that FMRP-deficient progenitor cells display contributes to their accelerated expansion, which is suppressed by the depletion of insulin-signaling components. This FMRP activity is mediated solely via a second conserved RNA-binding protein, LIN-28, known to boost insulin signaling in stem cells. Via LIN-28, FMRP controls progenitor cell behavior by post-transcriptionally repressing the level of insulin receptor (InR). This study identifies the stem cell-based mechanism by which FMRP controls tissue adaptation, and it raises the possibility that defective adaptive growth underlies the accelerated growth, gastrointestinal, and other symptoms that affect fragile X syndrome patients. PMID- 29212017 TI - Control of Huntington's Disease-Associated Phenotypes by the Striatum-Enriched Transcription Factor Foxp2. AB - Alteration of corticostriatal glutamatergic function is an early pathophysiological change associated with Huntington's disease (HD). The factors that regulate the maintenance of corticostriatal glutamatergic synapses post developmentally are not well understood. Recently, the striatum-enriched transcription factor Foxp2 was implicated in the development of these synapses. Here, we show that, in mice, overexpression of Foxp2 in the adult striatum of two models of HD leads to rescue of HD-associated behaviors, while knockdown of Foxp2 in wild-type mice leads to development of HD-associated behaviors. We note that Foxp2 encodes the longest polyglutamine repeat protein in the human reference genome, and we show that it can be sequestered into aggregates with polyglutamine expanded mutant Huntingtin protein (mHTT). Foxp2 overexpression in HD model mice leads to altered expression of several genes associated with synaptic function, genes that present additional targets for normalization of corticostriatal dysfunction in HD. PMID- 29212016 TI - Cellular Phenotypes in Human iPSC-Derived Neurons from a Genetic Model of Autism Spectrum Disorder. AB - A deletion or duplication in the 16p11.2 region is associated with neurodevelopmental disorders, including autism spectrum disorder and schizophrenia. In addition to clinical characteristics, carriers of the 16p11.2 copy-number variant (CNV) manifest opposing neuroanatomical phenotypes-e.g., macrocephaly in deletion carriers (16pdel) and microcephaly in duplication carriers (16pdup). Using fibroblasts obtained from 16pdel and 16pdup carriers, we generated induced pluripotent stem cells (iPSCs) and differentiated them into neurons to identify causal cellular mechanisms underlying neurobiological phenotypes. Our study revealed increased soma size and dendrite length in 16pdel neurons and reduced neuronal size and dendrite length in 16pdup neurons. The functional properties of iPSC-derived neurons corroborated aspects of these contrasting morphological differences that may underlie brain size. Interestingly, both 16pdel and 16pdup neurons displayed reduced synaptic density, suggesting that distinct mechanisms may underlie brain size and neuronal connectivity at this locus. PMID- 29212018 TI - Structure and Function of an Actin-Based Filter in the Proximal Axon. AB - The essential organization of microtubules within neurons has been described; however, less is known about how neuronal actin is arranged and the functional implications of its arrangement. Here, we describe, in live cells, an actin-based structure in the proximal axon that selectively prevents some proteins from entering the axon while allowing the passage of others. Concentrated patches of actin in proximal axons are present shortly after axonal specification in rat and zebrafish neurons imaged live, and they mark positions where anterogradely traveling vesicles carrying dendritic proteins halt and reverse. Patches colocalize with the ARP2/3 complex, and when ARP2/3-mediated nucleation is blocked, a dendritic protein mislocalizes to the axon. Patches are highly dynamic, with few persisting longer than 30 min. In neurons in culture and in vivo, actin appears to form a contiguous, semipermeable barrier, despite its apparently sparse distribution, preventing axonal localization of constitutively active myosin Va but not myosin VI. PMID- 29212020 TI - Mechanotransmission and Mechanosensing of Human alpha-Actinin 1. AB - alpha-Actinins, a family of critical cytoskeletal actin-binding proteins that usually exist as anti-parallel dimers, play crucial roles in organizing the framework of the cytoskeleton through crosslinking the actin filaments, as well as in focal adhesion maturation. However, the molecular mechanisms underlying its functions are unclear. Here, by mechanical manipulation of single human alpha actinin 1 using magnetic tweezers, we determined the mechanical stability and kinetics of the functional domains in alpha-actinin 1. Moreover, we identified the force-dependence of vinculin binding to alpha-actinin 1, with the demonstration that force is required to expose the high-affinity binding site for vinculin binding. Further, a role of the alpha-actinin 1 as molecular shock absorber for the cytoskeleton network is revealed. Our results provide a comprehensive analysis of the force-dependent stability and interactions of alpha actinin 1, which sheds important light on the molecular mechanisms underlying its mechanotransmission and mechanosensing functions. PMID- 29212019 TI - Pervasive within-Mitochondrion Single-Nucleotide Variant Heteroplasmy as Revealed by Single-Mitochondrion Sequencing. AB - A number of mitochondrial diseases arise from single-nucleotide variant (SNV) accumulation in multiple mitochondria. Here, we present a method for identification of variants present at the single-mitochondrion level in individual mouse and human neuronal cells, allowing for extremely high-resolution study of mitochondrial mutation dynamics. We identified extensive heteroplasmy between individual mitochondrion, along with three high-confidence variants in mouse and one in human that were present in multiple mitochondria across cells. The pattern of variation revealed by single-mitochondrion data shows surprisingly pervasive levels of heteroplasmy in inbred mice. Distribution of SNV loci suggests inheritance of variants across generations, resulting in Poisson jackpot lines with large SNV load. Comparison of human and mouse variants suggests that the two species might employ distinct modes of somatic segregation. Single mitochondrion resolution revealed mitochondria mutational dynamics that we hypothesize to affect risk probabilities for mutations reaching disease thresholds. PMID- 29212021 TI - Nutritive, Post-ingestive Signals Are the Primary Regulators of AgRP Neuron Activity. AB - The brain regulates food intake by processing sensory cues and peripheral physiological signals, but the neural basis of this integration remains unclear. Hypothalamic, agouti-related protein (AgRP)-expressing neurons are critical regulators of food intake. AgRP neuron activity is high during hunger and is rapidly reduced by the sight and smell of food. Here, we reveal two distinct components of AgRP neuron activity regulation: a rapid but transient sensory driven signal and a slower, sustained calorie-dependent signal. We discovered that nutrients are necessary and sufficient for sustained reductions in AgRP neuron activity and that activity reductions are proportional to the calories obtained. This change in activity is recapitulated by exogenous administration of gut-derived satiation signals. Furthermore, we showed that the nutritive value of food trains sensory systems-in a single trial-to drive rapid, anticipatory AgRP neuron activity inhibition. Together, these data demonstrate that nutrients are the primary regulators of AgRP neuron activity. PMID- 29212022 TI - Alpha2delta-1 in SF1+ Neurons of the Ventromedial Hypothalamus Is an Essential Regulator of Glucose and Lipid Homeostasis. AB - The central mechanisms controlling glucose and lipid homeostasis are inadequately understood. We show that alpha2delta-1 is an essential regulator of glucose and lipid balance, acting in steroidogenic factor-1 (SF1) neurons of the ventromedial hypothalamus (VMH). These effects are body weight independent and involve regulation of SF1+ neuronal activity and sympathetic output to metabolic tissues. Accordingly, mice with alpha2delta-1 deletion in SF1 neurons exhibit glucose intolerance, altered lipolysis, and decreased cholesterol content in adipose tissue despite normal energy balance regulation. Profound reductions in the firing rate of SF1 neurons, decreased sympathetic output, and elevated circulating levels of serotonin are associated with these alterations. Normal calcium currents but reduced excitatory postsynaptic currents in mutant SF1 neurons implicate alpha2delta-1 in the promotion of excitatory synaptogenesis separate from its canonical role as a calcium channel subunit. Collectively, these findings identify an essential mechanism that regulates VMH neuronal activity and glycemic and lipid control and may be a target for tackling metabolic disease. PMID- 29212023 TI - DISC1 Modulates Neuronal Stress Responses by Gate-Keeping ER-Mitochondria Ca2+ Transfer through the MAM. AB - A wide range of Ca2+-mediated functions are enabled by the dynamic properties of Ca2+, all of which are dependent on the endoplasmic reticulum (ER) and mitochondria. Disrupted-in-schizophrenia 1 (DISC1) is a scaffold protein that is involved in the function of intracellular organelles and is linked to cognitive and emotional deficits. Here, we demonstrate that DISC1 localizes to the mitochondria-associated ER membrane (MAM). At the MAM, DISC1 interacts with IP3R1 and downregulates its ligand binding, modulating ER-mitochondria Ca2+ transfer through the MAM. The disrupted regulation of Ca2+ transfer caused by DISC1 dysfunction leads to abnormal Ca2+ accumulation in mitochondria following oxidative stress, which impairs mitochondrial functions. DISC1 dysfunction alters corticosterone-induced mitochondrial Ca2+ accumulation in an oxidative stress dependent manner. Together, these findings link stress-associated neural stimuli with intracellular ER-mitochondria Ca2+ crosstalk via DISC1, providing mechanistic insight into how environmental risk factors can be interpreted by intracellular pathways under the control of genetic components in neurons. PMID- 29212024 TI - Cell-Type-Specific Splicing of Piezo2 Regulates Mechanotransduction. AB - Piezo2 is a mechanically activated ion channel required for touch discrimination, vibration detection, and proprioception. Here, we discovered that Piezo2 is extensively spliced, producing different Piezo2 isoforms with distinct properties. Sensory neurons from both mice and humans express a large repertoire of Piezo2 variants, whereas non-neuronal tissues express predominantly a single isoform. Notably, even within sensory ganglia, we demonstrate the splicing of Piezo2 to be cell type specific. Biophysical characterization revealed substantial differences in ion permeability, sensitivity to calcium modulation, and inactivation kinetics among Piezo2 splice variants. Together, our results describe, at the molecular level, a potential mechanism by which transduction is tuned, permitting the detection of a variety of mechanosensory stimuli. PMID- 29212025 TI - Convergence of BMI1 and CHD7 on ERK Signaling in Medulloblastoma. AB - We describe molecular convergence between BMI1 and CHD7 in the initiation of medulloblastoma. Identified in a functional genomic screen in mouse models, a BMI1High;CHD7Low expression signature within medulloblastoma characterizes patients with poor overall survival. We show that BMI1-mediated repression of the ERK1/2 pathway leads to increased proliferation and tumor burden in primary human MB cells and in a xenograft model, respectively. We provide evidence that repression of the ERK inhibitor DUSP4 by BMI1 is dependent on a more accessible chromatin configuration in G4 MB cells with low CHD7 expression. These findings extend current knowledge of the role of BMI1 and CHD7 in medulloblastoma pathogenesis, and they raise the possibility that pharmacological targeting of BMI1 or ERK may be particularly indicated in a subgroup of MB with low expression levels of CHD7. PMID- 29212026 TI - Differential Effects of EGFL6 on Tumor versus Wound Angiogenesis. AB - Angiogenesis inhibitors are important for cancer therapy, but clinically approved anti-angiogenic agents have shown only modest efficacy and can compromise wound healing. This necessitates the development of novel anti-angiogenesis therapies. Here, we show significantly increased EGFL6 expression in tumor versus wound or normal endothelial cells. Using a series of in vitro and in vivo studies with orthotopic and genetically engineered mouse models, we demonstrate the mechanisms by which EGFL6 stimulates tumor angiogenesis. In contrast to its antagonistic effects on tumor angiogenesis, EGFL6 blockage did not affect normal wound healing. These findings have significant implications for development of anti angiogenesis therapies. PMID- 29212028 TI - Non-Canonical Hedgehog Signaling Is a Positive Regulator of the WNT Pathway and Is Required for the Survival of Colon Cancer Stem Cells. AB - Colon cancer is a heterogeneous tumor driven by a subpopulation of cancer stem cells (CSCs). To study CSCs in colon cancer, we used limiting dilution spheroid and serial xenotransplantation assays to functionally define the frequency of CSCs in a panel of patient-derived cancer organoids. These studies demonstrated cancer organoids to be enriched for CSCs, which varied in frequency between tumors. Whole-transcriptome analysis identified WNT and Hedgehog signaling components to be enhanced in CSC-enriched tumors and in aldehyde dehydrogenase (ALDH)-positive CSCs. Canonical GLI-dependent Hedgehog signaling is a negative regulator of WNT signaling in normal intestine and intestinal tumors. Here, we show that Hedgehog signaling in colon CSCs is autocrine SHH-dependent, non canonical PTCH1 dependent, and GLI independent. In addition, using small-molecule inhibitors and RNAi against SHH-palmitoylating Hedgehog acyltransferase (HHAT), we demonstrate that non-canonical Hedgehog signaling is a positive regulator of WNT signaling and required for colon CSC survival. PMID- 29212027 TI - Melanoma Therapeutic Strategies that Select against Resistance by Exploiting MYC Driven Evolutionary Convergence. AB - Diverse pathways drive resistance to BRAF/MEK inhibitors in BRAF-mutant melanoma, suggesting that durable control of resistance will be a challenge. By combining statistical modeling of genomic data from matched pre-treatment and post-relapse patient tumors with functional interrogation of >20 in vitro and in vivo resistance models, we discovered that major pathways of resistance converge to activate the transcription factor, c-MYC (MYC). MYC expression and pathway gene signatures were suppressed following drug treatment, and then rebounded during progression. Critically, MYC activation was necessary and sufficient for resistance, and suppression of MYC activity using genetic approaches or BET bromodomain inhibition was sufficient to resensitize cells and delay BRAFi resistance. Finally, MYC-driven, BRAFi-resistant cells are hypersensitive to the inhibition of MYC synthetic lethal partners, including SRC family and c-KIT tyrosine kinases, as well as glucose, glutamine, and serine metabolic pathways. These insights enable the design of combination therapies that select against resistance evolution. PMID- 29212029 TI - MELK Promotes Melanoma Growth by Stimulating the NF-kappaB Pathway. AB - Melanoma accounts for more than 80% of skin cancer-related deaths, and current therapies provide only short-term benefit to patients. Here, we show in melanoma cells that maternal embryonic leucine zipper kinase (MELK) is transcriptionally upregulated by the MAPK pathway via transcription factor E2F1. MELK knockdown or pharmacological inhibition blocked melanoma growth and enhanced the effectiveness of BRAFV600E inhibitor against melanoma cells. To identify mediators of MELK function, we performed stable isotope labeling with amino acids in cell culture (SILAC) and identified 469 proteins that had downregulated phosphorylation after MELK inhibition. Of these proteins, 139 were previously reported as substrates of BRAF or MEK, demonstrating that MELK is an important downstream mediator of the MAPK pathway. Furthermore, we show that MELK promotes melanoma growth by activating NF-kappaB pathway activity via Sequestosome 1 (SQSTM1/p62). Altogether, these results underpin an important role for MELK in melanoma growth downstream of the MAPK pathway. PMID- 29212030 TI - Loss of Caveolin-1 in Metastasis-Associated Macrophages Drives Lung Metastatic Growth through Increased Angiogenesis. AB - Although it is well established that tumor-associated macrophages take part in each step of cancer progression, less is known about the distinct role of the so called metastasis-associated macrophages (MAMs) at the metastatic site. Previous studies reported that Caveolin-1 (Cav1) has both tumor-promoting and tumor suppressive functions. However, the role of Cav1 in bone-marrow-derived cells is unknown. Here, we describe Cav1 as an anti-metastatic regulator in mouse models of lung and breast cancer pulmonary metastasis. Among all the recruited inflammatory cell populations, we show that MAMs uniquely express abundant levels of Cav1. Using clodronate depletion of macrophages, we demonstrate that macrophage Cav1 signaling is critical for metastasis and not for primary tumor growth. In particular, Cav1 inhibition does not affect MAM recruitment to the metastatic site but, in turn, favors angiogenesis. We describe a mechanism by which Cav1 in MAMs specifically restrains vascular endothelial growth factor A/vascular endothelial growth factor receptor 1 (VEGF-A/VEGFR1) signaling and its downstream effectors, matrix metallopeptidase 9 (MMP9) and colony-stimulating factor 1 (CSF1). PMID- 29212031 TI - Integration of GPCR Signaling and Sorting from Very Early Endosomes via Opposing APPL1 Mechanisms. AB - Endocytic trafficking is a critical mechanism for cells to decode complex signaling pathways, including those activated by G-protein-coupled receptors (GPCRs). Heterogeneity in the endosomal network enables GPCR activity to be spatially restricted between early endosomes (EEs) and the recently discovered endosomal compartment, the very early endosome (VEE). However, the molecular machinery driving GPCR activity from the VEE is unknown. Using luteinizing hormone receptor (LHR) as a prototype GPCR for this compartment, along with additional VEE-localized GPCRs, we identify a role for the adaptor protein APPL1 in rapid recycling and endosomal cAMP signaling without impacting the EE localized beta2-adrenergic receptor. LHR recycling is driven by receptor-mediated Galphas/cAMP signaling from the VEE and PKA-dependent phosphorylation of APPL1 at serine 410. Receptor/Galphas endosomal signaling is localized to microdomains of heterogeneous VEE populations and regulated by APPL1 phosphorylation. Our study uncovers a highly integrated inter-endosomal communication system enabling cells to tightly regulate spatially encoded signaling. PMID- 29212032 TI - Targeting the Conserved Fusion Loop of HAP2 Inhibits the Transmission of Plasmodium berghei and falciparum. AB - Inhibiting transmission of Plasmodium is a central strategy in malarial eradication, and the biological process of gamete fusion during fertilization is a proven target for this approach. The lack of a structure or known molecular function of current anti-malarial vaccine targets has previously been a hindrance in the development of transmission-blocking vaccines. Structure/function studies have indicated that the conserved gamete membrane fusion protein HAP2 is a class II viral fusion protein. Here, we demonstrate that targeting a function-critical site of the fusion/cd loop with species-specific antibodies reduces Plasmodium berghei transmission in vivo by 58.9% and in vitro fertilization by up to 89.9%. A corresponding reduction in P. falciparum transmission (75.5%/36.4% reductions in intensity/prevalence) is observed in complimentary field studies. These results emphasize conserved mechanisms of fusion in Apicomplexa, while highlighting an approach to design future anti-malarial transmission-blocking vaccines. PMID- 29212033 TI - Enhancer SINEs Link Pol III to Pol II Transcription in Neurons. AB - Spatiotemporal regulation of gene expression depends on the cooperation of multiple mechanisms, including the functional interaction of promoters with distally located enhancers. Here, we show that, in cortical neurons, a subset of short interspersed nuclear elements (SINEs) located in the proximity of activity regulated genes bears features of enhancers. Enhancer SINEs (eSINEs) recruit the Pol III cofactor complex TFIIIC in a stimulus-dependent manner and are transcribed by Pol III in response to neuronal depolarization. Characterization of an eSINE located in proximity to the Fos gene (FosRSINE1) indicated that the FosRSINE1-encoded transcript interacts with Pol II at the Fos promoter and mediates Fos relocation to Pol II factories, providing an unprecedented molecular link between Pol III and Pol II transcription. Strikingly, knockdown of the FosRSINE1 transcript induces defects of both cortical radial migration in vivo and activity-dependent dendritogenesis in vitro, demonstrating that FosRSINE1 acts as a strong enhancer of Fos expression in diverse physiological contexts. PMID- 29212035 TI - Comprehensive Characterization of the Complex lola Locus Reveals a Novel Role in the Octopaminergic Pathway via Tyramine Beta-Hydroxylase Regulation. AB - Longitudinals lacking (lola) is one of the most complex genes in Drosophila melanogaster, encoding up to 20 protein isoforms that include key transcription factors involved in axonal pathfinding and neural reprogramming. Most previous studies have employed loss-of-function alleles that disrupt lola common exons, making it difficult to delineate isoform-specific functions. To overcome this issue, we have generated isoform-specific mutants for all isoforms using CRISPR/Cas9. This enabled us to study specific isoforms with respect to previously characterized roles for Lola and to demonstrate a specific function for one variant in axon guidance via activation of the microtubule-associated factor Futsch. Importantly, we also reveal a role for a second variant in preventing neurodegeneration via the positive regulation of a key enzyme of the octopaminergic pathway. Thus, our comprehensive study expands the functional repertoire of Lola functions, and it adds insights into the regulatory control of neurotransmitter expression in vivo. PMID- 29212034 TI - GADD34 Function in Protein Trafficking Promotes Adaptation to Hyperosmotic Stress in Human Corneal Cells. AB - GADD34, a stress-induced regulatory subunit of the phosphatase PP1, is known to function in hyperosmotic stress through its well-known role in the integrated stress response (ISR) pathway. Adaptation to hyperosmotic stress is important for the health of corneal epithelial cells exposed to changes in extracellular osmolarity, with maladaptation leading to dry eye syndrome. This adaptation includes induction of SNAT2, an endoplasmic reticulum (ER)-Golgi-processed protein, which helps to reverse the stress-induced loss of cell volume and promote homeostasis through amino acid uptake. Here, we show that GADD34 promotes the processing of proteins synthesized on the ER during hyperosmotic stress independent of its action in the ISR. We show that GADD34/PP1 phosphatase activity reverses hyperosmotic-stress-induced Golgi fragmentation and is important for cis- to trans-Golgi trafficking of SNAT2, thereby promoting SNAT2 plasma membrane localization and function. These results suggest that GADD34 is a protective molecule for ocular diseases such as dry eye syndrome. PMID- 29212037 TI - A Bacterial Receptor PcrK Senses the Plant Hormone Cytokinin to Promote Adaptation to Oxidative Stress. AB - Recognition of the host plant is a prerequisite for infection by pathogenic bacteria. However, how bacterial cells sense plant-derived stimuli, especially chemicals that function in regulating plant development, remains completely unknown. Here, we have identified a membrane-bound histidine kinase of the phytopathogenic bacterium Xanthomonas campestris, PcrK, as a bacterial receptor that specifically detects the plant cytokinin 2-isopentenyladenine (2iP). 2iP binds to the extracytoplasmic region of PcrK to decrease its autokinase activity. Through a four-step phosphorelay, 2iP stimulation decreased the phosphorylation level of PcrR, the cognate response regulator of PcrK, to activate the phosphodiesterase activity of PcrR in degrading the second messenger 3',5'-cyclic diguanylic acid. 2iP perception by the PcrK-PcrR remarkably improves bacterial tolerance to oxidative stress by regulating the transcription of 56 genes, including the virulence-associated TonB-dependent receptor gene ctrA. Our results reveal an evolutionarily conserved, inter-kingdom signaling by which phytopathogenic bacteria intercept a plant hormone signal to promote adaptation to oxidative stress. PMID- 29212036 TI - DeltaNp63 Inhibits Oxidative Stress-Induced Cell Death, Including Ferroptosis, and Cooperates with the BCL-2 Family to Promote Clonogenic Survival. AB - The BCL-2 family proteins are central regulators of apoptosis. However, cells deficient for BAX and BAK or overexpressing BCL-2 still succumb to oxidative stress upon DNA damage or matrix detachment. Here, we show that DeltaNp63alpha overexpression protects cells from oxidative stress induced by oxidants, DNA damage, anoikis, or ferroptosis-inducing agents. Conversely, DeltaNp63alpha deficiency increases oxidative stress. Mechanistically, DeltaNp63alpha orchestrates redox homeostasis through transcriptional control of glutathione biogenesis, utilization, and regeneration. Analysis of a lung squamous cell carcinoma dataset from The Cancer Genome Atlas (TCGA) reveals that TP63 amplification/overexpression upregulates the glutathione metabolism pathway in primary human tumors. Strikingly, overexpression of DeltaNp63alpha promotes clonogenic survival of p53-/-Bax-/-Bak-/- cells against DNA damage. Furthermore, co-expression of BCL-2 and DeltaNp63alpha confers clonogenic survival against matrix detachment, disrupts the luminal clearance of mammary acini, and promotes cancer metastasis. Our findings highlight the need for a simultaneous blockade of apoptosis and oxidative stress to promote long-term cellular well-being. PMID- 29212038 TI - Co-chaperone BAG2 Determines the Pro-oncogenic Role of Cathepsin B in Triple Negative Breast Cancer Cells. AB - Triple-negative breast cancer (TNBC) is considered incurable with currently available treatments, highlighting the need for therapeutic targets and predictive biomarkers. Here, we report a unique role for Bcl-2-associated athanogene 2 (BAG2), which is significantly overexpressed in TNBC, in regulating the dual functions of cathepsin B as either a pro- or anti-oncogenic enzyme. Silencing BAG2 suppresses tumorigenesis and lung metastasis and induces apoptosis by increasing the intracellular mature form of cathepsin B, whereas BAG2 expression induces metastasis by blocking the auto-cleavage processing of pro cathepsin B via interaction with the propeptide region. BAG2 regulates pro cathepsin B/annexin II complex formation and facilitates the trafficking of pro cathespin-B-containing TGN38-positive vesicles toward the cell periphery, leading to the secretion of pro-cathepsin B, which induces metastasis. Collectively, our results uncover BAG2 as a regulator of the oncogenic function of pro-cathepsin B and a potential diagnostic and therapeutic target that may reduce the burden of metastatic breast cancer. PMID- 29212039 TI - Comprehensive Mapping of Pluripotent Stem Cell Metabolism Using Dynamic Genome Scale Network Modeling. AB - Metabolism is an emerging stem cell hallmark tied to cell fate, pluripotency, and self-renewal, yet systems-level understanding of stem cell metabolism has been limited by the lack of genome-scale network models. Here, we develop a systems approach to integrate time-course metabolomics data with a computational model of metabolism to analyze the metabolic state of naive and primed murine pluripotent stem cells. Using this approach, we find that one-carbon metabolism involving phosphoglycerate dehydrogenase, folate synthesis, and nucleotide synthesis is a key pathway that differs between the two states, resulting in differential sensitivity to anti-folates. The model also predicts that the pluripotency factor Lin28 regulates this one-carbon metabolic pathway, which we validate using metabolomics data from Lin28-deficient cells. Moreover, we identify and validate metabolic reactions related to S-adenosyl-methionine production that can differentially impact histone methylation in naive and primed cells. Our network based approach provides a framework for characterizing metabolic changes influencing pluripotency and cell fate. PMID- 29212040 TI - Molecular and Cellular Organization of Taste Neurons in Adult Drosophila Pharynx. AB - The Drosophila pharyngeal taste organs are poorly characterized despite their location at important sites for monitoring food quality. Functional analysis of pharyngeal neurons has been hindered by the paucity of molecular tools to manipulate them, as well as their relative inaccessibility for neurophysiological investigations. Here, we generate receptor-to-neuron maps of all three pharyngeal taste organs by performing a comprehensive chemoreceptor-GAL4/LexA expression analysis. The organization of pharyngeal neurons reveals similarities and distinctions in receptor repertoires and neuronal groupings compared to external taste neurons. We validate the mapping results by pinpointing a single pharyngeal neuron required for feeding avoidance of L-canavanine. Inducible activation of pharyngeal taste neurons reveals functional differences between external and internal taste neurons and functional subdivision within pharyngeal sweet neurons. Our results provide roadmaps of pharyngeal taste organs in an insect model system for probing the role of these understudied neurons in controlling feeding behaviors. PMID- 29212041 TI - Soluble Prefusion Closed DS-SOSIP.664-Env Trimers of Diverse HIV-1 Strains. AB - The elicitation of autologous neutralizing responses by immunization with HIV-1 envelope (Env) trimers conformationally stabilized in a prefusion closed state has generated considerable interest in the HIV-1 vaccine field. However, soluble prefusion closed Env trimers have been produced from only a handful of HIV-1 strains, limiting their utility as vaccine antigens and B cell probes. Here, we report the engineering from 81 HIV-1 strains of soluble, fully cleaved, prefusion Env trimers with appropriate antigenicity. We used a 96-well expression-screening format to assess the ability of artificial disulfides and Ile559Pro substitution (DS-SOSIP) to produce soluble cleaved-Env trimers; from 180 Env strains, 20 yielded prefusion closed trimers. We also created chimeras, by utilizing structure-based design to incorporate select regions from the well-behaved BG505 strain; from 180 Env strains, 78 DS-SOSIP-stabilized chimeras, including 61 additional strains, yielded prefusion closed trimers. Structure-based design thus enables the production of prefusion closed HIV-1-Env trimers from dozens of diverse strains. PMID- 29212042 TI - Facial Nerve Injury and Other Complications Following Retromandibular Subparotid Approach for the Management of Condylar Fractures. AB - PURPOSE: To estimate the prevalence and identify risk factors for facial nerve paralysis (FNP) and other postoperative complications after the use of the retromandibular subparotid approach (RMSA) for the treatment of condylar fractures. MATERIALS AND METHODS: Radiologic and clinical data from all patients who underwent an RMSA from 2007 through 2015 at the University Hospital of Geneva (Geneva, Switzerland) were retrospectively reviewed. The primary and secondary outcome variables were, respectively, FNP and other complications (unesthetic scars, infection, nonunion, malocclusion, salivary fistula, Frey syndrome, and loosening or breaking of plates and screws). Predictor variables included age, gender, mechanism of injury, delay from injury to surgery, surgeon's experience, location of fracture, side and pattern of fracture, concomitant facial fractures, and status of healing. Univariable logistic regression statistics were computed. RESULTS: Forty-eight subcondylar fractures in 43 consecutive patients were treated using the RMSA. Six fracture sites (12.5%) developed a temporary FNP that completely resolved within 4 months. Fractures at the neck level and with the comminution pattern were significant risk factors of postoperative FNP (P = .04 and P < .001, respectively; odds ratio = 82). Eight patients (18.6%) developed a slight transient malocclusion that was completely corrected within 3 to 4 weeks using guiding elastics and 1 patient (2.3%) had a wound dehiscence that resolved with a visible but thin and linear scar. CONCLUSION: The present study showed that 1) the FNP rate after the RMSA to surgery for condylar fractures was similar to that reported after the transparotid variant; 2) the FNP was transient and completely resolved in all patients; 3) neck and comminuted condylar fractures were statistically associated with increased risk of developing a postoperative temporary FNP; and 4) the final outcome was favorable with no major complications in any of the patients. PMID- 29212044 TI - Multi-spectroscopic and molecular docking studies on the interaction of darunavir, a HIV protease inhibitor with calf thymus DNA. AB - Molecular interaction of darunavir (DRV), a HIV protease inhibitor with calf thymus deoxyribonucleic acid (ct-DNA) was studied in physiological buffer (pH7.4) by multi-spectroscopic approaches hand in hand with viscosity measurements and molecular docking technique. The UV absorption and fluorescence results together revealed the formation of a DRV-ct-DNA complex having binding affinities of the order of 103M-1, which was more in keeping with the groove binding. The results that DRV bound to ct-DNA via groove binding mode was further evidenced by KI quenching studies, viscosity measurements, competitive binding investigations with EB and Rhodamine B and CD spectral analysis. The effect of ionic strength indicated the negligible involvement of electrostatic interaction between DRV and ct-DNA. The thermodynamic parameters regarding the binding interaction of DRV with ct-DNA in terms of enthalpy change (DeltaH0) and entropy change (DeltaS0) were -63.19kJ mol-1 and -141.92J mol-1K-1, indicating that hydrogen bonds and van der Waals forces played a predominant role in the binding process. Furthermore, molecular simulation studies suggested that DRV molecule was prone to bind in the A-T rich region of the minor groove of DNA. PMID- 29212043 TI - Inhibition of mitochondrial UCP1 and UCP3 by purine nucleotides and phosphate. AB - Mitochondrial membrane uncoupling protein 3 (UCP3) is not only expressed in skeletal muscle and heart, but also in brown adipose tissue (BAT) alongside UCP1, which facilitates a proton leak to support non-shivering thermogenesis. In contrast to UCP1, the transport function and molecular mechanism of UCP3 regulation are poorly investigated, although it is generally agreed upon that UCP3, analogous to UCP1, transports protons, is activated by free fatty acids (FFAs) and is inhibited by purine nucleotides (PNs). Because the presence of two similar uncoupling proteins in BAT is surprising, we hypothesized that UCP1 and UCP3 are differently regulated, which may lead to differences in their functions. By combining atomic force microscopy and electrophysiological measurements of recombinant proteins reconstituted in planar bilayer membranes, we compared the level of protein activity with the bond lifetimes between UCPs and PNs. Our data revealed that, in contrast to UCP1, UCP3 can be fully inhibited by all PNs and IC50 increases with a decrease in PN-phosphorylation. Experiments with mutant proteins demonstrated that the conserved arginines in the PN-binding pocket are involved in the inhibition of UCP1 and UCP3 to different extents. Fatty acids compete with all PNs bound to UCP1, but only with ATP bound to UCP3. We identified phosphate as a novel inhibitor of UCP3 and UCP1, which acts independently of PNs. The differences in molecular mechanisms of the inhibition between the highly homologous transporters UCP1 and UCP3 indicate that UCP3 has adapted to fulfill a different role and possibly another transport function in BAT. PMID- 29212045 TI - Interactions of hemin with bovine serum albumin and human hemoglobin: A fluorescence quenching study. AB - The binding interactions between hemin (Hmi) and bovine serum albumin (BSA) or human hemoglobin (HHb), respectively, have been examined in aqueous solution at pH=7.4, applying UV-vis absorption, as well as steady-state, synchronous and three-dimensional fluorescence spectra techniques. Representative results received for both BSA and HHb intrinsic fluorescence proceeding from the interactions with hemin suggest the formation of stacking non-covalent and non fluorescent complexes in both the Hmi-BSA and Hmi-HHb systems, with highly possible concurrent formation of a coordinate bond between a group on the protein surface and the metal in Hmi molecule. All the values of calculated parameters, the binding, fluorescence quenching and bimolecular quenching rate constants point to the involvement of static quenching in both the systems studied. The blue shift in the synchronous fluorescence spectra imply the participation of both tryptophan and tyrosine residues in quenching of BSA and HHb intrinsic fluorescence. Depicted outcomes suggest that hemin is supposedly able to influence the physiological functions of BSA and HHb, the most important blood proteins, particularly in case of its overuse. PMID- 29212046 TI - Hematopoietic defects in response to reduced Arhgap21. AB - Arhgap21 is a member of the Rho GTPase activating protein (RhoGAP) family, which function as negative regulators of Rho GTPases. Arhgap21 has been implicated in adhesion and migration of cancer cells. However, the role of Arhgap21 has never been investigated in hematopoietic cells. Herein, we evaluated functional aspects of hematopoietic stem and progenitor cells (HSPC) using a haploinsufficient (Arhgap21+/-) mouse. Our results show that Arhgap21+/- mice have an increased frequency of phenotypic HSC, impaired ability to form progenitor colonies in vitro and decreased hematopoietic engraftment in vivo, along with a decrease in LSK cell frequency during serial bone marrow transplantation. Arhgap21+/- hematopoietic progenitor cells have impaired adhesion and enhanced mobilization of immature LSK and myeloid progenitors. Arhgap21+/- mice also exhibit reduced erythroid commitment and differentiation, which was recapitulated in human primary cells, in which knockdown of ARHGAP21 in CMP and MEP resulted in decreased erythroid commitment. Finally, we observed enhanced RhoC activity in the bone marrow cells of Arhgap21+/- mice, indicating that Arhgap21 functions in hematopoiesis may be at least partially mediated by RhoC inactivation. PMID- 29212047 TI - Whole brain neuronal abnormalities in focal epilepsy quantified with proton MR spectroscopy. AB - OBJECTIVE: To test the hypothesis that localization-related epilepsy is associated with widespread neuronal dysfunction beyond the ictal focus, reflected by a decrease in patients' global concentration of their proton MR spectroscopy (1H-MRS) observed marker, N-acetyl-aspartate (NAA). METHODS: Thirteen patients with localization-related epilepsy (7 men, 6 women) 40+/-13 (mean+/-standard deviation)years old, 8.3+/-13.4years of disease duration; and 14 matched controls, were scanned at 3 T with MRI and whole-brain (WB) 1H MRS. Intracranial fractions of brain volume, gray and white matter (fBV, fGM, fWM) were segmented from the MRI, and global absolute NAA creatine (Cr) and choline (Cho) concentrations were estimated from their WB 1H MRS. These metrics were compared between patients and controls using an unequal variance t test. RESULTS: Patients' fBV, fGM and fWM: 0.81+/-0.07, 0.47+/-0.04, 0.31+/-0.04 were not different from controls' 0.79+/-0.05, 0.48+/-0.04, 0.32+/-0.02; nor were their Cr and Cho concentrations: 7.1+/-1.1 and 1.3+/-0.2 millimolar (mM) versus 7.7+/-0.7 and 1.4+/-0.1mM (p>0.05 all). Patients' global NAA concentration: 11.5+/-1.5 mM, however, was 12% lower than controls' 13.0+/-0.8mM (p=0.004). CONCLUSIONS: These findings indicate that neuronal dysfunction in localization-related epilepsy extends globally, beyond the ictal zone, but without atrophy or spectroscopic evidence of other pathology. This suggests a diffuse decline in the neurons' health, rather than their number, early in the disease course. WB 1H-MRS assessment, therefore, may be a useful tool for quantification of global neuronal dysfunction load in epilepsy. PMID- 29212048 TI - Electroclinical features of epilepsy associated with 1p36 deletion syndrome: A review. AB - 1p36 terminal deletion is a recently recognized syndrome with multiple congenital anomalies and intellectual disability. It occurs approximately in 1 out of 5000 to 10,000 live births and is the most common subtelomeric microdeletion observed in human. Medical problems commonly caused by terminal deletions of 1p36 include developmental delay, intellectual disability, seizures, vision problems, hearing loss, short stature, brain anomalies, congenital heart defects, cardiomyopathy, renal anomalies and distinctive facial features. Although the syndrome is considered clinically recognizable, there is significant phenotypic variation among affected individuals. Genotype-phenotype correlation in this syndrome is complicated, because of the similar clinical evidence seen in patients with different deletion sizes. We review 34 scientific articles from 1996 to 2016 that described 315 patients with 1p36 delection syndrome. The aim of this review is to find a correlation between size of the 1p36-deleted segments and the neurological clinical phenotypes with the analysis of electro-clinical patterns associated with chromosomal aberrations, that is a major tool in the identification of epilepsy susceptibility genes. Our finding suggest that developmental delay and early epilepsy are frequent findings in 1p36 deletion syndrome that can contribute to a poor clinical outcome for this reason this syndrome should be searched for in patients presenting with infantile spasms associated with a hypsarrhythmic EEG, particulary if they are combined with dismorphic features, severe hypotonia and developmental delay. PMID- 29212049 TI - Distribution, contents and health risk assessment of metal(loid)s in small-scale farms in the Ecuadorian Amazon: An insight into impacts of oil activities. PMID- 29212050 TI - Nitrogen loading affects microbes, nitrifiers and denitrifiers attached to submerged macrophyte in constructed wetlands. AB - Submerged macrophytes and biofilms are important components of wetlands. However, little is known about the changes of microbes in biofilms attached to submerged macrophytes upon nitrogen loading. This study investigated the changes of microbes, algae, nitrifiers and denitrifiers in biofilms attached to the leaves of artificial plants (AP), Potamogeton malaianus (PM), Vallisneria natans (VN) and Hydrilla verticillata (HV) under varied initial concentrations of total nitrogen (TN). Nitrogen addition increased biofilm biomass and changed dissolved oxygen concentrations and pH values in overlaying water. Epiphytic algal densities showed the same trend at the same N level:AP>PM>VN>HV. As revealed by cluster analysis at phylum level, algae compositions in biofilm from four plants showed some host-specific at 2 and 12mgL-1 TN, but was clustered in the same group at 22mgL-1 TN regardless of plant species. Submerged macrophytes had better performance in total N removal than AP. In general, N application significantly increased the abundance of amoA, nirK, nirS, napA and cnorB in biofilm. The abundance of the denitrification genes (nirK, nirS, napA, narG and cnorB) was positively correlated with nitrogen application, while amoA was correlated with concentration of dissolved oxygen. These results indicate that N loadings stimulated the growth of biofilms attached to submerged macrophyte and the removal of total N can be partially ascribed to the synergistic interactions of submerged macrophyte and biofilms in wetlands. These results highlight the ecological role of submerged macrophyte-biofilm system in nitrogen removal in wetlands. PMID- 29212051 TI - Land use and climate change impacts on runoff and soil erosion at the hillslope scale in the Brazilian Cerrado. AB - Land use and climate change can influence runoff and soil erosion, threatening soil and water conservation in the Cerrado biome in Brazil. The adoption of a process-based model was necessary due to the lack of long-term observed data. Our goals were to calibrate the WEPP (Water Erosion Prediction Project) model for different land uses under subtropical conditions in the Cerrado biome; predict runoff and soil erosion for these different land uses; and simulate runoff and soil erosion considering climate change. We performed the model calibration using a 5-year dataset (2012-2016) of observed runoff and soil loss in four different land uses (wooded Cerrado, tilled fallow without plant cover, pasture, and sugarcane) in experimental plots. Selected soil and management parameters were optimized for each land use during the WEPP model calibration with the existing field data. The simulations were conducted using the calibrated WEPP model components with a 100-year climate dataset created with CLIGEN (weather generator) based on regional climate statistics. We obtained downscaled General Circulation Model (GCM) projections, and runoff and soil loss were predicted with WEPP using future climate scenarios for 2030, 2060, and 2090 considering different Representative Concentration Pathways (RCPs). The WEPP model had an acceptable performance for the subtropical conditions. Land use can influence runoff and soil loss rates in a significant way. Potential climate changes, which indicate the increase of rainfall intensities and depths, may increase the variability and rates of runoff and soil erosion. However, projected climate changes did not significantly affect the runoff and soil erosion for the four analyzed land uses at our location. Finally, the runoff behavior was distinct for each land use, but for soil loss we found similarities between pasture and wooded Cerrado, suggesting that the soil may attain a sustainable level when the land management follows conservation principles. PMID- 29212052 TI - Biotic diversity of benthic macroinvertebrates at contrasting glacier-fed systems in Patagonia Mountains: The role of environmental heterogeneity facing global warming. AB - Patagonia is by far the largest glacierized area in South America. However, little is known about ecology, functioning and biodiversity of glacier-fed streams facing global warming. We investigated changes in environmental features and macroinvertebrate communities along a longitudinal gradient of glacier influence of two Patagonian systems that differ in glacier cover magnitude and the spatial sequence of lotic and lentic phases. Both glaciers, Torrecillas (~5.5km2, Torrecillas system) and Conico (~0.44km2, Baggilt system), are retreating. Longitudinal distribution of benthic invertebrates partially fitted to predictions for glacierized temperate systems, with Diamesinae spp. dominating at closest sites to the Conico, and Orthocladiinae increasing downstream, but patterns were unclear at Torrecillas. Generalized Linear Model identified chlorophyll a and conductivity as having significant effect on richness and density respectively at Torrecillas; detritus biomass and gravel influenced species richness, and boulder percentage and water temperature affected density, at Baggilt. Canonical Correspondence Analyses integrating benthic biota and environmental variables revealed that a higher environmental heterogeneity at Baggilt, related with spatial dimension (unshaded/shaded reaches, wetland reaches), local resources (detritus, bryophytes) and temperature, probably explained the unexpected high richness in benthic assemblages (67 taxa). Environmental conditions imposed by the lake outlet (proglacial) at Torrecillas resulted in a less diverse community (31 taxa). Finally our results suggest that these isolated, small glacier-fed streams typical of the Patagonian landscape appear highly vulnerable to global warming. Endemic elements could disappear at upper segments being replaced by other species common at rhithral environments, which might increase local diversity (alfa diversity) but decrease regional diversity (gamma diversity). From an ecosystem perspective stream functioning can result altered. Glacier retreating or disappearing threatens major ecosystem services for Patagonian inhabitants such as water supply, hydrological regulation, recreation and tourism. PMID- 29212053 TI - Contaminant back-diffusion from low-permeability layers as affected by groundwater velocity: A laboratory investigation by box model and image analysis. AB - Low-permeability lenses represent potential sources of long-term release when filled from contaminant solute through direct contact with dissolved plumes. The redistribution of contaminant from low to high permeability aquifer zones (Back Diffusion) was studied. Redistribution causes a long plume tail, commonly regarded as one of the main obstacles to effective groundwater remediation. Laboratory tests were performed to reproduce the redistribution process and to investigate the effect of pumping water on the remediation time of these contaminated low-permeability lenses. The test section used is representative of clay/silt lenses (k~1*10-10m/s/k~1*10-7m/s) in a sand aquifer (k~1*10-3m/s). Hence, an image analysis procedure was used to estimate the diffusive flux of contaminant released by these low-permeability zones. The proposed technique was validated performing a mass balance of a lens saturated by a known quantity of tracer. For each test, performed using a different groundwater velocity, the diffusive fluxes of contaminant released by lenses were compared and the remediation times of the low-permeability zones calculated. For each lens, the obtained remediation timeframes were used to define an analytical relation vs groundwater velocity and the coefficients of these relations were matched to grain size of the low-permeability lenses. Results show that an increase of the velocity field is not useful to diminish the total depletion times as the process mainly diffusive. This is significant when the remediation approach relies on pumping technology. PMID- 29212054 TI - Developmental and metabolic responses of zebrafish (Danio rerio) embryos and larvae to short-chain chlorinated paraffins (SCCPs) exposure. AB - Short-chain chlorinated paraffins (SCCPs) are highly toxic to aquatic organisms, but their toxicity is yet not well characterized. In this study, the developmental toxicity of SCCPs to zebrafish embryos/larvae was evaluated, and a metabolomics approach was adopted to explore the impact of SCCPs exposure on the metabolism in zebrafish embryos. Exposure to SCCPs at concentrations of 1 200MUg/L did not produce an observable effect on the hatching rate and morphological deformities of zebrafish embryos/larvae. However, the survival rate of zebrafish larvae in SCCPs exposure groups decreased in a concentration dependent manner. The 13-day 50% lethal concentration (LC50) value of SCCPs was calculated to be 34.4MUg/L. Exposure to SCCPs induced a significant change of overall metabolism, even at environmentally relevant concentrations (1-5MUg/L). The most relevant pathways affected by SCCPs exposure were glycerophospholipid metabolism, fatty acid metabolism and purine metabolism. Exposure to SCCPs at concentrations of 1-5MUg/L had begun to accelerate the beta-oxidation of unsaturated fatty acids and very long chain fatty acids, and affect the transformation of guanine to xanthine in the pathway of purine metabolism. Furthermore, when the exposure concentrations of SCCPs were increased to 50 200MUg/L, the levels of phospholipids and amino acids were significantly raised; whereas the levels of fatty acids, carnitines and inosine were significantly decreased. In view of the significant effect on metabolism, the sub-chronic and chronic toxicity of SCCPs to fish should be concerned. PMID- 29212055 TI - Indoor and outdoor air concentrations of volatile organic compounds and NO2 in schools of urban, industrial and rural areas in Central-Southern Spain. AB - Thirty two VOCs including alkanes, aromatic hydrocarbons, terpenes and carbonyl compounds together with NO2 were investigated in a kindergarten classroom, a primary classroom and the playground in 18 schools located in rural areas, an urban area (Ciudad Real) and an industrial area (Puertollano) in the province of Ciudad Real in central southern Spain. The most abundant pollutants at schools were the aldehydes formaldehyde and hexanal. After carbonyls, n-dodecane was the most abundant compound in the study areas. The NO2 concentrations were higher in the urban area, followed by industrial area and rural areas. For benzene, its concentration in the industrial area was significantly higher than in the urban and rural areas which reflects the magnitude of the contribution to the indoor air by petrochemical plant during the sampling period. Principal component analysis, indoor/outdoor ratios, multiple linear regressions and Spearman correlation coefficients were used to investigate the origin, the indoor pollutant determinants and to establish common sources between VOCs and NO2. Seven components were extracted from the application of PCA to the indoor measurements accounting for 77.5% of the total variance. The analysis of indoor/outdoor ratios and correlations demonstrated that sources in the indoor environment are prevailing for most of the investigated VOCs. Benzene and n pentane have a major relevance as outdoor sources, while aldehydes, terpenes, alkanes and most aromatic hydrocarbons as indoor sources. For NO2, ethylbenzene and toluene both indoor and outdoor sources probably contributed to the measured concentrations. Finally, the results reported in this paper demonstrate that during the measuring period there were not great differences in the indoor air quality of the schools of the three study areas. PMID- 29212056 TI - Fe3+-saturated montmorillonite effectively deactivates bacteria in wastewater. AB - Existing water disinfection practices often produce harmful disinfection byproducts. The antibacterial activity of Fe3+-saturated montmorillonite was investigated mechanistically using municipal wastewater effluents. Bacterial deactivation efficiency (bacteria viability loss) was 92+/-0.64% when a secondary wastewater effluent was mixed with Fe3+-saturated montmorillonite for 30min, and further enhanced to 97+/-0.61% after 4h. This deactivation efficiency was similar to that when the same effluent was UV-disinfected before it exited a wastewater treatment plant. Comparing to the secondary wastewater effluent, the bacteria deactivation efficiency was lower when the primary wastewater effluent was exposed to the same dose of Fe3+-saturated montmorillonite, reaching 29+/-18% at 30min and 76+/-1.7% at 4h. Higher than 90% bacterial deactivation efficiency was achieved when the ratio between wastewater bacteria population and weight of Fe3+ saturated montmorillonite was at <2*103CFU/mg. Furthermore, 99.6-99.9% of total coliforms, E. coli, and enterococci in a secondary wastewater effluent was deactivated when the water was exposed to Fe3+-saturated montmorillonite for 1h. Bacterial colony count results coupled with the live/dead fluorescent staining assay observation suggested that Fe3+-saturated montmorillonite deactivated bacteria in wastewater through two possible stages: electrostatic sorption of bacterial cells to the surfaces of Fe3+-saturated montmorillonite, followed by bacterial deactivation due to mineral surface-catalyzed bacterial cell membrane disruption by the surface sorbed Fe3+. Freeze-drying the recycled Fe3+-saturated montmorillonite after each usage resulted in 82+/-0.51% bacterial deactivation efficiency even after its fourth consecutive use. This study demonstrated the promising potential of Fe3+-saturated montmorillonite to be used in applications from small scale point-of-use drinking water treatment devices to large scale drinking and wastewater treatment facilities. PMID- 29212057 TI - Development of a chemical source apportionment decision support framework for lake catchment management. AB - Increasing pressures on natural resources has led to the adoption of water quality standards to protect ecological and human health. Lakes and reservoirs are particularly vulnerable to pressure on water quality owing to long residence times compared with rivers. This has raised the question of how to determine and to quantify the sources of priority chemicals (e.g. nutrients, persistent organic pollutants and metals) so that suitable measures can be taken to address failures to comply with regulatory standards. Contaminants enter lakes waters from a range of diffuse and point sources. Decision support tools and models are essential to assess the relative magnitudes of these sources and to estimate the impacts of any programmes of measures. This paper describes the development and testing of the Source Apportionment Geographical Information System (SAGIS) for future management of 763 lakes in England and Wales. The model uses readily available national data sets to estimate contributions of a number of key chemicals including nutrients (nitrogen and phosphorus), metals (copper, zinc, cadmium, lead, mercury and nickel) and organic chemicals (Polynuclear Aromatic Hydrocarbons) from multiple sector sources. Lake-specific sources are included (groundbait from angling and bird faeces) and hydrology associated with pumped inputs and abstraction. Validation data confirms the efficacy of the model to successfully predicted seasonal patterns of all types of contaminant concentrations under a number of hydrological scenarios. Such a tool has not been available on a national scale previously for such a wide range of chemicals and is currently being used to assist with future river basin planning. PMID- 29212058 TI - Genetic analysis and CRISPR typing of Salmonella enterica serovar Enteritidis from different sources revealed potential transmission from poultry and pig to human. AB - Salmonella enterica serovar Enteritidis (S. Enteritidis) is one of the most prevalent serotypes in Salmonella isolated from poultry and the most commonly reported cause of human salmonellosis. In this study, we aimed to assess the genetic diversity of 329 S. Enteritidis strains isolated from different sources from 2009 to 2016 in China. Clustered regularly interspaced short palindromic repeat (CRISPR) typing was used to characterize these 262 chicken clinical isolates, 38 human isolates, 18 pig isolates, six duck isolates, three goose isolates and two isolates of unknown source. A total of 18 Enteritidis CRISPR types (ECTs) were identified, with ECT2, ECT8 and ECT4 as the top three ECTs. CRISPR typing identified ECT2 as the most prevalent ECT, which accounted for 41% of S. Enteritidis strains from all the sources except duck. ECT9 and ECT13 were identified in both pig and human isolates and revealed potential transmission from pig to human. A cluster analysis distributed 18 ECTs, including the top three ECTs, into four lineages with LI as the predominant lineage. Forty-eight out of 329 isolates were subjected to whole genome sequence typing, which divided them into four clusters, with Cluster I as the predominant cluster. Cluster I included 92% (34/37) of strains located in LI identified from the CRISPR typing, confirming the good correspondence between both typing methods. In addition, the CRISPR typing also revealed the close relationship between ECTs and isolated areas, confirming that CRISPR spacers might be obtained by bacteria from the unique phage or plasmid pools in the environment. However, further analysis is needed to determine the function of CRISPR-Cas systems in Salmonella and the relationship between spacers and the environment. PMID- 29212059 TI - On the nature of solvatochromic effect: The riboflavin absorption spectrum as a case study. AB - We present here the calculation of the absorption spectrum of riboflavin in acetonitrile and dimethyl sulfoxide using a hybrid quantum/classical approach, namely the perturbed matrix method, based on quantum mechanical calculations and molecular dynamics simulations. The calculated spectra are compared to the absorption spectrum of riboflavin previously calculated in water and to the experimental spectra obtained in all three solvents. The experimentally observed variations in the absorption spectra upon change of the solvent environment are well reproduced by the calculated spectra. In addition, the nature of the excited states of riboflavin interacting with different solvents is investigated, showing that environment effects determine a recombination of the gas-phase electronic states and that such a recombination is strongly affected by the polarity of the solvent inducing significant changes in the absorption spectra. PMID- 29212060 TI - Compound Interest: Assessing the Effects of Chemical Mixtures in Vivo. PMID- 29212062 TI - Mix Masters: Using a New Tool to Identify Commonly Occurring Chemical Mixtures. PMID- 29212061 TI - Ambient Ozone Pollution and Daily Mortality: A Nationwide Study in 272 Chinese Cities. AB - BACKGROUND: Few large multicity studies have been conducted in developing countries to address the acute health effects of atmospheric ozone pollution. OBJECTIVE: We explored the associations between ozone and daily cause-specific mortality in China. METHODS: We performed a nationwide time-series analysis in 272 representative Chinese cities between 2013 and 2015. We used distributed lag models and over-dispersed generalized linear models to estimate the cumulative effects of ozone (lagged over 0-3 d) on mortality in each city, and we used hierarchical Bayesian models to combine the city-specific estimates. Regional, seasonal, and demographic heterogeneity were evaluated by meta-regression. RESULTS: At the national-average level, a 10-MUg/m3 increase in 8-h maximum ozone concentration was associated with 0.24% [95% posterior interval (PI): 0.13%, 0.35%], 0.27% (95% PI: 0.10%, 0.44%), 0.60% (95% PI: 0.08%, 1.11%), 0.24% (95% PI: 0.02%, 0.46%), and 0.29% (95% PI: 0.07%, 0.50%) higher daily mortality from all nonaccidental causes, cardiovascular diseases, hypertension, coronary diseases, and stroke, respectively. Associations between ozone and daily mortality due to respiratory and chronic obstructive pulmonary disease specifically were positive but imprecise and nonsignificant. There were no statistically significant differences in associations between ozone and nonaccidental mortality according to region, season, age, sex, or educational attainment. CONCLUSIONS: Our findings provide robust evidence of higher nonaccidental and cardiovascular mortality in association with short-term exposure to ambient ozone in China. https://doi.org/10.1289/EHP1849. PMID- 29212063 TI - Erratum: Associations between Ambient Fine Particulate Oxidative Potential and Cardiorespiratory Emergency Department Visits. AB - [This corrects the article DOI: 10.1289/EHP1545.]. PMID- 29212064 TI - MTHFR A1298C and C677T Polymorphisms Are Associated with Increased Risk of Venous Thromboembolism: A Retrospective Chart Review Study. AB - BACKGROUND: Methylene tetrahydrofolate reductase (MTHFR) is a key enzyme in homocysteine metabolism. This study aims to determine the impact of MTHFR polymorphisms on plasma homocysteine levels and risks of venous thromboembolism (VTE). METHODS: This retrospective chart review study included a total of 188 subjects who were tested for MTHFR polymorphisms at Metrowest Coagulation Laboratory between April 2011 and April 2016. Two independent coders were trained to extract relevant clinical data for statistical analysis. RESULTS: VTE occurred in 50% of patients with compound mutation, compared with only 28.6% of subjects from the wild-type group. Patients with heterozygous or homozygous A1298C or C677T variants had an intermediate risk of VTE. The median homocysteine level in the wild-type group was slightly lower than that of heterozygous or homozygous MTHFR variants. The difference, however, was not significant (p = 0.6193). Moreover, there was no difference in plasma homocysteine level between patients with VTE versus VTE-free (p = 0.4923). CONCLUSIONS: Heterozygous or homozygous MTHFR variants, especially a compound mutation, are associated with increased risk of VTE. Hyperhomocysteinemia does not correlate with MTHFR polymorphisms or VTE risk. Hence, MTHFR genotyping provides more consistent assessment of VTE risk. This information can be incorporated into risk stratification for early intervention and prophylaxis of VTE. PMID- 29212065 TI - Development of the Visual System in a Burrow-Nesting Seabird: Leach's Storm Petrel. AB - Little is known about the development of vision in wild birds. It is unknown, for example, whether the ability to see can be predicted by the level of prenatal growth or whether the eyes are open at hatching in a particular species. In this study, we investigated the growth of eyes, the formation of retinal ganglion cell topography, and the appearance of simple, visually guided behaviours in chicks of a small procellariiform seabird, Leach's storm petrel (Oceanodroma leucorhoa). This semi-precocial species, which has a well-developed sense of smell, nests in underground burrows where adults provision chicks for 6-8 weeks in the dark before fledging. Retinal ganglion cell topographic maps revealed that fine-tuning of cell distribution does not happen early in development, but rather that the ganglion cell layer continues to mature throughout provisioning and probably even after fledging. While the olfactory bulbs reached adult size around 7 weeks after hatching, the eyes and telencephalon continued to grow. Optokinetic head response and artificial burrow finding experiments indicated that chicks in the 2nd week after hatching lack even the most basic visually guided behaviours and are probably blind. Thus, vision in Leach's storm petrel chicks starts to function sometime around the 3rd week after hatching, well after the eyes have opened and the olfactory system is functional. PMID- 29212066 TI - Fstl1 Promotes Glioma Growth Through the BMP4/Smad1/5/8 Signaling Pathway. AB - BACKGROUND: Gliomas result in the highest morbidity and mortality rates of intracranial primary central nervous system tumors because of their aggressive growth characteristics and high postoperative recurrence. They are characterized by genetic instability, intratumoral histopathological variability and unpredictable clinical behavior in patients. Proliferation is a key aspect of the clinical progression of malignant gliomas, complicating complete surgical resection and enabling tumor regrowth and further proliferation of the surviving tumor cells. METHODS: The expression of Fstl1 was detected by western blotting and qRT-PCR. We used cell proliferation and colony formation assays to measure proliferation. Then, flow cytometry was used to analyze cell cycle progression. The expression of Fstl1, p-Smad1/5/8 and p21 in GBM tissue sections was evaluated using immunohistochemical staining. Furthermore, we used coimmunoprecipitation (Co-IP) and immunoprecipitation to validate the relationship between Fstl1, BMP4 and BMPR2. Finally, we used orthotopic xenograft studies to measure the growth of tumors in vivo. RESULTS: We found that follistatin-like 1 (Fstl1) was upregulated in high-grade glioma specimens and that its levels correlated with poor prognosis. Fstl1 upregulation increased cell proliferation, colony formation and cell cycle progression, while its knockdown inhibited these processes. Moreover, Fstl1 interacted with bone morphogenetic protein (BMP) 4, but not BMP receptor (BMPR) 2, and competitively inhibited their association. Furthermore, Fstl1 overexpression suppressed the activation of the BMP4/Smad1/5/8 signaling pathway, while BMP4 overexpression reversed this effect. CONCLUSION: Our study demonstrated that Fstl1 promoted glioma growth through the BMP4/Smad1/5/8 signaling pathway, and these findings suggest potential new glioblastoma treatment strategies. PMID- 29212068 TI - Activation of Secretagogue Independent Gastric Acid Secretion via Endothelial Nitric Oxide Synthase Stimulation in Rats. AB - BACKGROUND/AIMS: L-arginine is an important mediator of cell division, wound healing, and immune function. It can be transformed by the nitric oxide synthase (NOS) to nitric oxide (NO), an important cell signaling molecule. Recent studies from our laboratory demonstrate specific effects of L-arginine (10mM) exposure on gastric acid secretion in rat parietal cells. METHODS: Studies were performed with isolated gastric glands and the pH sensitive dye BCECF-AM +/- L-arginine to examine its effects on acid secretion. The direct NO-donor diethylamine NONOate sodium salt hydrate, was also used while monitoring intracellular pH. The specific inhibitor of the intracellular NO signal cascade ODQ was also used. RESULTS: We found that gastric proton extrusion was activated with application of L-arginine (10mM), in a separate series when L-arginine (10mM) + L-NAME (30uM) were added there was no acid secretion. Addition of the NO-donor diethylamine NONOate sodium salt hydrate (10uM) also induced acid secretion. When the selective sGC-inhibitor ODQ was added with NONOate we did not observe acid secretion. CONCLUSION: We conclude that L-arginine is a novel secretagogue, which can mediate gastric acid secretion. Furthermore, the intake of L-arginine causes direct activation of the H+, K+ ATPase and increased proton extrusion from parietal cells resulting in the increased risk for acid-related diseases. The NO/sGC/cGMP pathway has never been described as a possible intracellular mechanism for H+, K+ ATPase activation before and presents a completely new scientific finding. Moreover, our studies demonstrate a novel role for L-NAME to effectively eliminate NOS induced acid secretion and thereby reducing the risk for L-arginine inducible ulcer disease. PMID- 29212067 TI - Lenalidomide Maintenance after R-CHOP Therapy in Diffuse Large B-Cell Lymphoma: Can It Be a Standard of Care. AB - Diffuse large B-cell lymphoma is an aggressive non-Hodgkin lymphoma subtype which requires immediate treatment. Standard treatment is usually a combined immune chemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). Since R-CHOP was approved, several attempts to combine it with novel agents and/or use them as maintenance therapy failed to improve the outcome. Recently, maintenance with lenalidomide after standard immune chemotherapy showed promising results. This review discusses the most pertinent published and running studies, analyzing study design, results, and practicality. PMID- 29212069 TI - Cellular Effects of the Antiepileptic Drug Valproic Acid in Glioblastoma. AB - BACKGROUND/AIMS: Valproic acid (VPA), an anticonvulsant and mood-stabilizing drug is used to treat epileptic seizure of glioblastoma patients. Besides its antiepileptic activity, VPA has been attributed further functions that improve the clinical outcome of glioblastoma patients. Those comprise the inhibition of some histone deacetylase (HDAC) isoforms which reportedly may result in radiosensitization. Retrospective analysis of patient data, however, could not unequivocally confirm a prolonged survival of glioblastoma patients receiving VPA. The present study aimed to identify potential VPA targets at the cellular level. METHODS: To this end, the effect of VPA on metabolism, Ca2+-, biochemical and electro-signaling, cell-cycling, clonogenic survival and transfilter migration was analyzed in three human glioblastoma lines (T98G, U-87MG, U251) by MTT assay, Ca2+ imaging, immunoblotting, patch-clamp recording, flow cytometry, delayed plating colony formation and modified Boyden chamber assays, respectively. In addition, the effect of VPA on clonogenic survival of primary glioblastoma spheroid cultures treated with temozolomide and fractionated radiation was assessed by limited dilution assay. RESULTS: In 2 of 3 glioblastoma lines, clinical relevant concentrations of VPA slightly slowed down cell cycle progression and decreased clonogenic survival. Furthermore, VPA induced Ca2+ signaling which was accompanied by pronounced K+ channel activity and transfilter cell migration. VPA did not affect metabolic NAD(P)H formation or radioresistance of the glioblastoma lines. Finally, VPA did not impair clonogenic survival or radioresistance of temozolomide-treated primary spheroid cultures. CONCLUSIONS: Combined, our in vitro data do not propose a general use of VPA as a radiosensitizer in anti-glioblastoma therapy. PMID- 29212071 TI - Palmar Telangiectasias: A Cutaneous Sign for Smoking. AB - BACKGROUND: Telangiectasias are permanent dilations of blood capillaries which appear in a variety of medical conditions. Cutaneous palmar telangiectasias have been postulated to be associated with smoking. OBJECTIVE: To determine whether a significant correlation exists between palmar telangiectasias and smoking habits. PATIENTS AND METHODS: A total of 124 volunteers participated in this observational study by allowing physical evaluation of their palms and by completing a questionnaire. RESULTS: Palmar telangiectasias were found to be associated with current or past smoking. Neither age nor gender was found to be a co-contributor. DISCUSSION: Palmar telangiectasias were found to constitute highly specific and sensitive markers for prolonged smoking. PMID- 29212072 TI - Expression of TNFalpha Receptors on Immunocompetent Cells Is Increased in Atopic Dermatitis. AB - BACKGROUND: Expression levels of cytokine and growth factor receptors have been found to be important in the regulation of their action. Tumor necrosis factor alpha (TNFalpha) is actively involved in inflammation processes in atopic dermatitis (AD), but the role of TNFalpha membrane receptors (TNFR) and their regulatory function in AD remains unclear. AIM: We aimed to determine the associations of parameters of TNFRalpha expression on immunocompetent cells with disease severity before and after therapy in AD patients. METHODS: TNFRalpha expression on T cells, B cells, and monocytes was evaluated by flow cytometry. To determine receptor numbers on the cells, Quantibrite PE beads were used. The content of soluble mediators was evaluated by ELISA. To reveal linear relationships between the index scoring AD (SCORAD) and the studied parameters, multiple linear regression model building was used. RESULTS: TNFR1 and TNFR2 expression in lymphocyte and monocyte populations of AD patients was higher than in healthy individuals (HI). At the same time an increased percentage of positive cells was not associated with high receptor density, and vice versa. Serum content of TNFalpha, both soluble receptors, the number of TNFR2/T cells, and the percentage of TNFR2+ monocytes were found to be strongly associated with the SCORAD index. CONCLUSION: AD patients had increased TNFR expression on immune cells. Changes in the parameters of TNFRalpha expression compared to HI were associated with the disease severity index SCORAD. PMID- 29212070 TI - Aging and Decision-Making: A Conceptual Framework for Future Research - A Mini Review. AB - Age differences in decision-making are of theoretical interest and have important practical implications, but relevant lines of work are distributed across multiple disciplines and often lack integration. The present review proposes an overarching conceptual framework with the aim of connecting disjointed aspects of this field of research. The framework builds on process models of decision-making and specifies potential mechanisms behind age effects as well as relevant moderators including task characteristics and contextual factors. After summarizing the extant literature for each aspect of the framework, compensatory mechanisms and ecological fit between different components of the model are considered. Implications for real-life decision-making, remaining research gaps, and directions for future research are discussed. PMID- 29212073 TI - Age-Induced Changes in White, Brite, and Brown Adipose Depots: A Mini-Review. AB - Aging is a time-related process of functional decline at organelle, cellular, tissue, and organismal level that ultimately limits life. Cellular senescence is a state of permanent growth arrest in response to stress and one of the major drivers of aging and age-related disorders. Senescent cells accumulate with age, and removal of these cells delays age-related disorders in different tissues and prolongs healthy lifespan. One of the most studied aging mechanisms is the accumulation of reactive oxygen species damage in cells, organs, and organisms over time. Elevated oxidative stress is also found in metabolic diseases such as obesity, metabolic syndrome and associated disorders. Moreover, dysregulation of the energy homeostasis is also associated with aging, and many age-related genes also control energy metabolism, with the adipose organ, comprising white, brite, and brown adipocytes, as an important metabolic player in the regulation of whole body energy homeostasis. This review summarizes transformations in the adipose organ upon aging and cellular senescence and sheds light on the reallocation of fat mass between adipose depots, on the metabolism of white and brown adipose tissue, on the regenerative potential and adipogenic differentiation capacity of preadipocytes, and on alterations in mitochondria and bioenergetics. In conclusion, the aging process is a lifelong, creeping process with gradual decline in (pre-)adipocyte function over time. Thus, slowing down the accumulation of (pre-)adipocyte damage and dysfunction, removal of senescent preadipocytes as well as blocking deleterious compounds of the senescent secretome are protective measures to maintain a lasting state of health at old age. PMID- 29212074 TI - Late-Onset Alopecia Areata: A Retrospective Cohort Study. AB - BACKGROUND: Alopecia areata is an immune-mediated disease presenting with sudden onset of nonscarring hair loss. Onset is more common earlier in life, and little is known regarding late-onset alopecia areata. OBJECTIVES: To describe the epidemiology, clinical patterns, disease course, and outcome of late-onset alopecia areata in Israeli patients referred to a tertiary medical center. MATERIALS AND METHODS: This retrospective cohort study considered patients whose disease onset occurred at age >=50 years. Patients were recruited from among all alopecia areata patients visiting a tertiary center between January 2009 and April 2015. RESULTS: Of the 29 people included, 25 (86.2%) were female (female-to male ratio, 6.2:1). There was a family history of alopecia areata in 17.2%, thyroid disease in 31%, atopic background in 6.9%, and 17/29 (58.6%) reported a significant stressful event. The most common disease pattern was patchy, and disease was mild in the majority of participants. Complete hair regrowth was observed in 82.8% of participants, and 37.9% relapsed. CONCLUSION: Late-onset alopecia areata is characterized by marked female predominance, less extensive disease, and a high incidence of complete hair regrowth. PMID- 29212075 TI - Echinochrome A Release by Red Spherule Cells Is an Iron-Withholding Strategy of Sea Urchin Innate Immunity. AB - Cellular immune defences in sea urchins are shared amongst the coelomocytes - a heterogeneous population of cells residing in the coelomic fluid (blood equivalent) and tissues. The most iconic coelomocyte morphotype is the red spherule cell (or amebocyte), so named due to the abundance of cytoplasmic vesicles containing the naphthoquinone pigment echinochrome A. Despite their identification over a century ago, and evidence of antiseptic properties, little progress has been made in characterising the immunocompetence of these cells. Upon exposure of red spherule cells from sea urchins, i.e., Paracentrotus lividus and Psammechinus miliaris, to microbial ligands, intact microbes, and damage signals, we observed cellular degranulation and increased detection of cell-free echinochrome in the coelomic fluid ex vivo. Treatment of the cells with ionomycin, a calcium-specific ionophore, confirmed that an increase in intracellular levels of Ca2+ is a trigger of echinochrome release. Incubating Gram-positive/negative bacteria as well as yeast with lysates of red spherule cells led to significant reductions in colony-forming units. Such antimicrobial properties were counteracted by the addition of ferric iron (Fe3+), suggesting that echinochrome acts as a primitive iron chelator in echinoid biological defences. PMID- 29212076 TI - Resistance-Associated Mutations and Polymorphisms among Integrase Inhibitor-Naive HIV-1 Patients in Kuwait. AB - OBJECTIVES: Resistance-associated mutations (RAMs) in the integrase of different HIV-1 subtypes were investigated in a cohort of patients never exposed to integrase strand transfer inhibitors (INSTIs). METHODS: The viral RNA was extracted from plasma samples of 53 INSTI-naive patients, and the integrase genetic region was sequenced and analyzed for subtype assignment and drug resistance. RESULTS: The median viral load at sampling was 5.28 * 104 RNA copies/mL. Bayesian phylogenetic analysis showed 85% of the HIV-1 isolates were non-B subtypes, with a predominance of subtypes C (22.6%) and CRF01_AE (26.4%). A total of 52 and 110 mutations were found in the integrase region of HIV-1 B and non-B subtypes, respectively. Nonpolymorphic INSTI-RAMs were not detected in this study. However, the accessory mutation E157Q was found in 1 patient with CRF02_AG, and the polymorphic mutations L74M/I that may contribute to a reduced susceptibility to INSTIs in the presence of major mutations were observed in 6 (13.3%) patients with non-B subtypes and 1 (12.5%) patient with the B subtype. Polymorphic mutations at positions known to harbor primary and accessory RAMs were also detected in this study. CONCLUSION: Our results highlight the importance of monitoring the emergence of INSTI-RAMS before and after the initiation of INSTI-based therapy. PMID- 29212077 TI - Long-Term Skeletal Disproportion in Childhood-Onset Crohn's Disease. AB - BACKGROUND: It is unclear whether Crohn's disease (CD) is associated with skeletal disproportion in adulthood. METHODS: Height (Ht), sitting height (SHt) and leg length were studied in 44 children (male: 22), 23 adults (male: 10) with childhood-onset (CO) CD and 26 adults (male: 9) with adult-onset (AO) CD with a median (range) age of 13.7 (10, 17.3), 21.5 (18, 32) and 31.0 (22, 40) years, respectively. RESULTS: Adults with CO-CD had a median Ht standard deviation score (SDS) of -0.9 (-2.3, 0.0) compared to 0.6 (-0.8, 1.0) in those with AO-CD (p < 0.05). Compared to a normal population, men, but not women, with CO-CD also had lower median SHt SDS at -1.1 (2.5, -0.5) (p < 0.05). The expected positive association that is normally found between leg length and SHt SDS was not evident in the adults with CO-CD. CONCLUSION: Short stature in adults with CO-CD is more pronounced in men and may be associated with poor spinal growth. PMID- 29212078 TI - The Mechanism and Representation of Korean Three-Way Phonation Contrast: External Photoglottography, Intra-Oral Air Pressure, Airflow, and Acoustic Data. AB - This paper aims to refine our understanding of the speech mechanism and laryngeal features involved in the Korean lenis (/p t k/), aspirated (/ph th kh/), and fortis (/p' t' k'/) plosives. For this purpose we made measurements using a new noninvasive technique called external lighting and sensing photoglottography (ePGG) as well as intra-oral air pressure (Pio) above the glottis, airflow, and acoustic data. From simultaneous recordings of the experimental data, we were ableto quantify the laryngeal-oral coordination of glottal opening and a consonant release, and the covariance of airflow peak and duration of aspiration with glottal opening. The phasing of glottal opening and the 3-way phonation contrast occurs in the order, from early to late, fortis, lenis < aspirated plosives, and the glottal opening peak ranges from low to high in the same order. We also found that a Pio peak, the durations of a high Pio plateau and an oral closure, and F0 are independent of the glottal opening mechanism, varying in the order lenis < aspirated and fortis plosives. From these findings, we propose that the 2 independent patterns are accounted for by the articulator-based features [+/-spread glottis] and [+/-tense], respectively. PMID- 29212079 TI - Plasma ET-1 Concentrations Are Elevated in Pregnant Women with Hypertension -Meta Analysis of Clinical Studies. AB - BACKGROUND/AIMS: The ET system might be involved in the pathogenesis of hypertensive disorders during pregnancy. The objective is to analyse the impact of ET-1 in hypertensive pregnant women by a strict meta-analysis of published human clinical studies. METHODS: Based on the principle of Cochrane systematic reviews, Cohort studies in PubMed (Medline), Google Scholar and China Biological Medicine Database (CBM-disc) designed to identify the role of endothelin-1 (ET-1) in the pathophysiology of gestational hypertension and preeclampsia were screened. Review Manager Version 5.0 (Rev-Man 5.0) was applied for statistical analysis. Mean difference and 95% confidence interval (CI) were shown in inverse variance (IV) fixed-effects model or IV random-effects model. RESULTS: Sixteen published cohort studies including 1739 hypertensive cases and 409 controls were used in the meta-analysis. ET-1 plasma concentrations were higher in hypertensive pregnant women as compared to the controls (mean difference between groups: 19.02 [15.60~22.44], P < 0.00001,). These finding were driven by severity of hypertension and/or degree of proteinuria. CONCLUSION: Plasma ET-1 concentrations are elevated in hypertensive disorders during human pregnancy. In particular women with preeclampsia (hypertensive pregnant women with proteinuria) have substantially elevated plasma ET-1 concentration as compared to pregnant women with normal blood pressure. PMID- 29212080 TI - Clinical Evaluation of Continuous Renal Replacement Therapy in Combination with Ultrasound-Guided Percutaneous Transhepatic Gallbladder Drainage for Acute Severe Biliary Pancreatitis: a Retrospective Study. AB - BACKGROUND/AIMS: This study aimed to report the clinical efficacy of continuous renal replacement therapy (CRRT) in combination with ultrasound-guided percutaneous transhepatic gallbladder drainage (PTGD) (CRRT+PTGD) in the treatment of acute severe biliary pancreatitis (ASBP). METHODS: Between January 2010 and January 2016, 40 cases of patients with ASBP who received routine CRRT (CRRT group) and 40 of those who received CRRT+PTGD (CRRT+PTGD group) at the Affiliated Hospital of Qingdao University (Qingdao, China) were retrospectively reviewed. Clinical (including abdominal pain remission time, gastrointestinal decompression time, Intensive Care Unit (ICU) hospital stay, respirator treatment time, and mortality rate), laboratory (white blood cells [WBC], platelet [PLT], procalcitonin [PCT], C-reactive protein [CRP], total bilirubin [TBIL], alanine aminotransferase [ALT], albumin [ALB], and blood lactic acid [Lac]) parameters, various critical disease scores, and incidence of complications after the treatment were compared between the two groups. RESULTS: Compared with those in the routine CRRT group, patients in the CRRT+PTGD group exhibited significant remission of clinical symptoms (i.e. shorter abdominal pain remission time, gastrointestinal decompression time, respirator treatment time and ICU hospital stay) (all P<0.05), change of laboratory parameters (WBC, PLT, PCT, CRP, TBIL, ALT) (P<0.05), and improvement of various critical disease scores (P<0.05). Moreover, the variation of most of the above parameters after versus before the treatment was greater in the CRRT+PTGD group than in the CRRT group (all P<0.05). CONCLUSION: CRRT in combination with PTGD is more effective in the treatment of ASBP than CRRT alone. PMID- 29212081 TI - In Patients with Chronic Kidney Disease Short Term Blood Pressure Variability is Associated with the Presence and Severity of Sleep Disorders. AB - BACKGROUND/AIMS: In chronic kidney disease (CKD) patients blood pressure variability (BPV) is associated with poor outcome. Sleep disturbances alter BP profiles in hypertensives but their influence on BPV in CKD patients is unknown. We screened a cohort of CKD/ESRD patients to investigate whether sleep quality impacts on BPV. METHODS: Consecutive CKD patients' sleep quality was assessed using validated questionnaires (Epworth Sleepiness Scale-ESS); International Restless legs scale-IRLS; Functional Outcomes of Sleep Questionnaire-FOSQ: Insomnia Severity Index-ISI; STOP-Bang). All patients underwent ambulatory blood pressure measurement. RESULTS: 104 out of 143 enrolled patients (78.32% stage-3 CKD; 10.49% Stage-4; 11.19% Stage-5; 6.99% ESRD-under dialysis) completed all the questionnaires. 95.8% were hypertensives, 70% were non-dippers and 27.8% had resistant hypertension. STOP-Bang>4 proved sleep disorders in 84.84% of patients. Patients with IRLS>10 had greater diastolic nocturnal standard deviation (DNSD) and a trend (p=0.05) for systolic nocturnal SD (SNSD). Patients with ISI>14 had greater SNSD and in 28.8% FOSQ showed severely impaired sleep quality. Their systolic nocturnal BPV was significantly greater. ISI was independently associated with SNSD. FOSQ and diastolic nocturnal BPV were negatively correlated at the bivariate analysis and FOSQ independently predicts systolic nocturnal BPV at multivariate regression analysis. CONCLUSIONS: In CKD patients impaired sleep quality increases BPV, might contribute to their disease progression and worsen prognosis. Searching for sleep problems in CKD patients could help planning their treatment of sleep problems contributing to CV risk reduction. Our data provide the rationale working hypothesis for the need of studies with larger number of patients aimed to demonstrate improved outcome of CKD progression and CV risk with the treatment also of sleep disorders. PMID- 29212082 TI - Risk Factors for Chemotherapy-Related Toxicity and Adverse Events in Elderly Thai Cancer Patients: A Prospective Study. AB - OBJECTIVES: To assess factors predisposing to severe chemotherapy-related toxicity and adverse events (AEs) and dose modification in aging cancer patients. METHODS: Cancer patients aged >=70 years scheduled to receive the first cycle of a new chemotherapy regimen were enrolled. On the day of starting chemotherapy, demographic data, performance status (PS), and geriatric parameters were recorded. AEs and chemotherapy modification were recorded. Quality of life (QOL) was assessed at baseline and 3 months after starting chemotherapy or at the end of chemotherapy. RESULTS: We included 151 patients (mean age, 76.4 years) with gastrointestinal (47%), lung (24%), breast (9%), or genitourinary (6%) cancer. All-grade and severe AEs occurred in 83 and 42% of patients, respectively; 51.6% of patients required chemotherapy modification due to toxicities. A higher incidence of severe AEs (71% vs. 39%, p = 0.01) and poorer QOL was found in patients with PS 2 than in those with PS 0-1. Patients with PS 2 or who received palliative-intent chemotherapy or had multiple comorbidities were more likely to discontinue chemotherapy because of toxicity. CONCLUSIONS: PS remains a key predictor of chemotherapy-related toxicity in elderly patients. PS 2 was correlated with higher incidence of severe AEs, premature treatment discontinuation, and worsening QOL after treatment. PMID- 29212083 TI - Which Nebulizer Position Should Be Avoided? An Extended Study of Aerosol Delivery and Ventilator Performance during Noninvasive Positive Pressure Ventilation. AB - BACKGROUND: Research on the effect of nebulizer location on aerosol delivery during noninvasive ventilation has reached inconsistent conclusions. OBJECTIVE: To investigate the effects of nebulizer position on aerosol delivery efficiency and ventilator performance during noninvasive ventilation. METHODS: The Active Servo Lung 5000 respiratory simulation system (ASL5000) was used to simulate a COPD patient. The noninvasive ventilator was set to the spontaneous breathing mode. Six nebulizer positions, 2 exhalation valve types (single-arch exhalation port and whisper swivel), 4 combinations of inspiratory and expiratory pressure, and 2 respiratory rates were used. RESULTS: Significant differences between nebulizer positions existed in aerosol delivery (p < 0.05). Aerosol delivery efficiency was lower for nebulizer locations on either side of the exhalation valve and next to the ventilator outlet. When the nebulizer was located between the exhalation valve and the simulated lung, increased inspiratory pressure increased and increased expiratory pressure decreased delivery efficiency (both p < 0.05). When the nebulization device was located between the exhalation valve and the ventilator, no obvious trend was observed. Compared to baseline, nebulization lowered the air leakage volume displayed on the ventilator. There were no differences in ventilator performance between different nebulizer positions. CONCLUSIONS: The closer the nebulizer was to the exhalation valves or ventilator, the lower the aerosol delivery efficiency. Nebulizer position had little clinically significant effect on ventilator performance. PMID- 29212084 TI - Perioperative Outcomes and Early Survival in Octogenarians Who Underwent Radical Cystectomy for Bladder Cancer. AB - OBJECTIVE: To evaluate perioperative outcomes and early survival in a series of octogenarians who underwent radical cystectomy (RC) and urinary diversion for bladder cancer. PATIENTS AND METHODS: We retrospectively evaluated the clinical records of 44 patients aged >=80 years who underwent open RC and urinary diversion at 2 high-volume centers between July 2013 and December 2015. Estimated blood loss (EBL), transfusion rate, and length of hospital stay (LOS) were evaluated. Ninety-day postoperative complications were stratified according to the type of urinary diversion. Univariable analysis was performed to identify predictors of overall and major complications. Overall survival (OS) was estimated using the Kaplan-Meier method. RESULTS: Median age was 83 years (interquartile range [IQR] 81-85). Age-adjusted Charlson score was >=4 in 37 (84%) patients, and American Society of Anesthesiologists score was >=3 in 34 (77%) patients. Ileal conduit (IC) was performed in 21/44 (48%) cases, cutaneous ureterostomy (CU) in 20/44 (45%), and no urinary diversion was required for 3 (7%) dialytic patients. Median EBL was 700 mL (IQR 500-1,000) and 23 (52%) patients required blood transfusion. Median LOS was 13 days (IQR 10-18). Overall complications were recorded in 29 (66%) patients, with major complications observed in 12 (27%), with death occurring in 1. No differences in complications were observed between IC and CU. The 2-year OS estimate was 62.5%. CONCLUSIONS: Open RC in octogenarians has an acceptable rate of major complications and mortality. IC should be considered a good urinary diversion in these patients. PMID- 29212085 TI - The Impact of Anti-TNF Therapy on CD4+ and CD8+ Cell Subsets in Ankylosing Spondylitis. AB - OBJECTIVES: Ankylosing spondylitis (AS) is a chronic, progressive immune-mediated inflammatory disease, driven primarily by Th1 and Th17 cells. Anti-TNF therapies are successfully used in AS to achieve and maintain remission. However, their influence on the composition of T-cell subsets is not clear. We aimed to characterize the changes in the T-cell repertoire after a long-term anti-TNF treatment in AS patients. METHODS: Twenty-two AS patients under long-term anti TNF therapy were evaluated (15 anti-TNF responders and 7 nonresponders). A wide range of cell subtypes was analyzed with flow cytometry and compared with therapy naive and short-term data too. RESULTS: Key findings include decreased proportions of naive CD4 and CD8 cells, increased frequencies of Th1 and Th17 cells and higher Th1/Th2 ratios in the long-term anti-TNF-treated patients (responders, nonresponders and total), which was found to be significant not only when compared with healthy controls, but also with therapy-naive and short-term anti-TNF-treated AS patients. We noted several alterations within the various activated T-cell subsets - increase in CD4HLADR cells in responders, in CD8HLADR cells in the whole AS group and in responders, and in CD4CD25 cells in responders, and decrease in CD4CD69 cell percentages in long-term treated patients - becoming evident only after long-term anti-TNF therapy. CONCLUSIONS: This study provides a comprehensive assessment of the impact of anti-TNF therapy on the T-cell repertoire in AS. Changes in T-cell phenotype seem to develop progressively during therapy, even in inactive disease, and reflect an ongoing effector T-cell differentiation and activation, along with the parallel compensatory increase in regulatory T cells. PMID- 29212087 TI - Knowledge and Sociodemographic Determinants of Emergency Management of Dental Avulsion among Parents in Kuwait: A Cross-Sectional Study. AB - OBJECTIVES: The aim of this study was to evaluate the knowledge of first aid measures for a permanent tooth avulsion among parents in Kuwait and to assess the effect of different sociodemographic characteristics. MATERIALS AND METHODS: A cross-sectional study was conducted among 554 parents who visited 5 dental specialty centers in Kuwait. Parent sociodemographic data and responses to avulsion management questions were collected through a self-administered questionnaire. Descriptive and binary logistic regression analyses were used for data analysis. RESULTS: In the 554 responses from patients, gaps were identified in the following areas: replantation (199, 35.9%), cleaning of the tooth (182, 32.9%), and transport media (84, 15.2%). Most parents demonstrated satisfactory knowledge levels regarding the urgency to seek professional help (391, 70.6%) and the first place of contact after the injury (525, 94.8%). Having previous information on emergency management of dental avulsion was a significant predictor of good knowledge (OR 2.138, 95% CI 1.347-3.395, p = 0.001). Of the 544 parents, 99 (17.8%) had received information on dental avulsion management: 30 (30.3%) from the Internet, 19 (19.2%) from books, 12 (12.1%) from television, 6 (6%) from smart phone applications, 2 (2%) from newspapers, and 30 (30.3%) from other sources. CONCLUSION: In this study, parents in Kuwait did not have adequate knowledge of emergency management for dental avulsion. Future educational campaigns on dental avulsion are urgently needed to educate parents. PMID- 29212092 TI - [Family-Centered Care in the ICU]. AB - Family-centered care in the ICU is a quality criterion of modern intensive care. Relatives are not just visitors, caregivers and involved stakeholders, but also partners for the medical team, especially when eliciting patient preferences and during shared decisionmaking. The move towards family-centered care signifies that traditional roles are changing; family-centered care is becoming a critical component of optimizing patient outcomes in the ICU. PMID- 29212086 TI - Comparative Analyses of Transport Proteins Encoded within the Genomes of Bdellovibrio bacteriovorus HD100 and Bdellovibrio exovorus JSS. AB - Bdellovibrio, delta-proteobacteria, including B. bacteriovorus (Bba) and B. exovorus (Bex), are obligate predators of other Gram-negative bacteria. While Bba grows in the periplasm of the prey cell, Bex grows externally. We have analyzed and compared the transport proteins of these 2 organisms based on the current contents of the Transporter Classification Database (TCDB; www.tcdb.org). Bba has 103 transporters more than Bex, 50% more secondary carriers, and 3 times as many MFS carriers. Bba has far more metabolite transporters than Bex as expected from its larger genome, but there are 2 times more carbohydrate uptake and drug efflux systems, and 3 times more lipid transporters. Bba also has polyamine and carboxylate transporters lacking in Bex. Bba has more than twice as many members of the Mot-Exb family of energizers, but both may have energizers for gliding motility. They use entirely different types of systems for iron acquisition. Both contain unexpectedly large numbers of pseudogenes and incomplete systems, suggesting that they are undergoing genome size reduction. Interestingly, all 5 outer-membrane receptors in Bba are lacking in Bex. The 2 organisms have similar numbers and types of peptide and amino acid uptake systems as well as protein and carbohydrate secretion systems. The differences observed correlate with and may account, in part, for the different lifestyles of these 2 bacterial predators. PMID- 29212093 TI - Chewing Function in Children with Repaired Esophageal Atresia-Tracheoesophageal Fistula. AB - INTRODUCTION: Feeding problems are common in children with esophageal atresia and tracheoesophageal fistula (EA-TEF); however, chewing disorders, which may cause inability to intake solid food, have not been evaluated. Therefore, we aimed to evaluate the chewing function in children with repaired EA-TEF. MATERIALS AND METHODS: Age, sex, the type of atresia, the type of repair, and the time to start oral feeding were recorded. The level of the chewing performance was scored according to the Karaduman Chewing Performance Scale (KCPS). The International Dysphagia Diet Standardization Initiative (IDDSI) was used to determine the tolerated food texture in children. RESULTS: A group of 30 patients were included, of which 53.3% was male. The percentages of the isolated EA and that of the EA-distal TEF were 40% and 60%, respectively. The median value for the time to start oral feeding was 4.5 weeks (min = 1, max = 72). Eleven (36.7%) children had chewing disorder. The KCPS scores showed level I in six cases, level III in four cases, and level IV in one case. Five children with chewing disorder had IDDSI level 3 and six had level 7, along with the sensation of stuck food. We found no significant difference between the KCPS scores according to the repair type (p = 0.07). The median values of the KCPS scores of children with primary repair, delayed repair, and colon interposition were 0 (min = 0, max = 4), 0.5 (min = 0, max = 3), 2 (min = 0, max = 3), respectively. A significant positive correlation was found between the time to start oral feeding and the KCPS scores (r = 0.63, p = 0.001). CONCLUSION: Chewing disorders can be observed in children with EA-TEF, and the type of repair and the delay in oral feeding may be related to chewing disorder. Therapeutic maneuvers are needed to improve the chewing function in children with EA-TEF. PMID- 29212094 TI - [Readiness to Participate in Ambulatory Special Medical Care (ASV): A Critical Appraisal - Results of a Survey Amongst Office-Based Oncologists in Germany]. AB - Background Outpatient specialized care (ASV) is intended to improve interdisciplinary, transsectoral care for patients with rare or complex diseases, especially cancer. Up to now, only very few such specialized care teams have been established. The aim of our study was to evaluate the current state of information and participation as well as reasons for the reluctance of office based hematologists and oncologists. Methods We conducted a web-based survey amongst office-based hematologists and oncologists in Germany and received responses from 145 institutions comprising more then 350 doctors working there. The questions comprised 22 items concerning the state of information, implementation as well as obstacles to participation and evaluation of the ASV. Results The majority of the interviewed doctors was well informed about ASV. Only a minority was in principle against this concept. 6% of them had already treated patients within ASV, 8% had completed the preparation, 16% were in the preparation process, 26% were indecisive and 45% had decided not to participate. The main reasons for non-participation or barriers were high expenditure and a lack of benefit for patients, strategic positioning as well as reimbursement. Conclusions Although implemented more than 5 years ago, ASV plays no relevant role in patient care. The reluctance seems not to be due to information deficits, but rather to obstacles in the participation procedure. Relevant advantages for patient care, interdisciplinary communication or reimbursement are not anticipated. As long as the current low acceptance to participate in ASV is not improved, it cannot unfold its potential. PMID- 29212095 TI - [Stroke or no stroke - that's the question]. PMID- 29212096 TI - [Stroke Mimics and Stroke Chameleons: Differential Diagnosis of Stroke]. AB - The analysis of misdiagnosis of stroke has become increasingly relevant because of the time pressure in the thrombolytic treatment of ischemic strokes. Within the narrow time window of thrombolysis, a false-positive stroke diagnosis can lead to a faulty and potentially dangerous thrombolysis. The terms "Stroke Mimic" (SM = false-positive stroke diagnosis) and "Stroke Chameleon" (SC = false negative stroke diagnosis) have been introduced for misdiagnosis in this field. The rate of SM decreases during the treatment phases from approximately 50 % in the preclinical situation to approximately 2-10 % in the Stroke Unit indicating thrombolytic therapy. The complication rate for not indicated thrombolysis in SM is low with 0.5 % for intracranial bleeding and 0.3 % for orolingual edema. Thus, the net balance in favour of fast thrombolysis is maintained, even when a higher number of mis-indicated lyses occurs in SM. The rate of SC during the stages of treatment drops from about 50 % in the preclinical stage to about 2-5 % in stroke units. The rates of SM and SC are inversely linked: a reduction in the SM rate leads to a more critical diagnosis of stroke, thus increasing the number of underdiagnosed stroke cases as SC, and vice versa. While SM rarely lead to the legal consequences of treatment error, SC often give rise to accusations of medical errors. PMID- 29212098 TI - Immunosuppression following liver transplantation and the course of inflammatory bowel disease - a case control study. AB - AIM: The aim of this study was to investigate the influence of immunosuppression following orthotopic liver transplantation (OLT) on course of inflammatory bowel disease (IBD) including disease activity and complications. METHODS: Out of 1168 patients undergoing liver transplantation between 1988 and 2000 at our center, we identified those with IBD (n = 67). In a comparative cohort study, IBD patients after OLT were compared to controls without OLT. All drugs including immunosuppressive and anti-inflammatory medication and complications during follow-up were recorded in 6-month intervals. Also, surgical interventions before and after OLT as well as endoscopic interventions with macroscopic and microscopic findings were collected and analyzed. Additionally, development of malignant neoplasias was recorded. RESULTS: Of the 67 individuals with IBD and OLT, 41 were available for analyses and compared with 42 controls. The mean follow-up was 7.4 (range: 3 - 15) years. Short-term therapy with calcineurin inhibitors or mycophenolate mofetil led to short-term remission, yet sustained remission could only be achieved in patients receiving mycophenolate mofetil. At 14.5 years, clinical remission was reached by significantly more patients in the transplant group (54 %) than in the control group (33 %, p = 0.0295). Patients in the control group required nearly 2 times as many surgical interventions related to IBD than patients in the transplant group. Neoplasias were more common in the OLT (n = 8) compared with 4 solid organ cancers in the control group, respectively. CONCLUSIONS: Our data demonstrate an overall positive impact of immunosuppression following OLT on the course of IBD, especially with mycophenolate mofetil, but an increased rate of malignancies. PMID- 29212099 TI - ? PMID- 29212100 TI - Lower prevalence of vitamin D insufficiency in German patients with systemic mast cell activation syndrome compared with the general population. AB - Introduction The common mastocytosis variant systemic mast cell activation syndrome (MCAS) may underlie at least a subset of patients with irritable bowel syndrome (IBS). A critical role of vitamin D (VD) in the stabilization of mast cells (MCs) with deficiency of VD resulting in MC activation has been demonstrated. If so, supplementation of VD would be a potential therapeutic approach in the treatment of those IBS patients. Methods We investigated in the present study for the first time systematically whether the VD level in 100 MCAS patients differed from that in the German general population (Ggp) and made a first attempt to elucidate potential reasons for possible differences by simultaneously determining the blood levels of heparin and cholesterol. Results In contrast to the Ggp, the VD level was detected in a sufficient range (> 30 ng/mL) in 53 % of the MCAS patients (Ggp 8 %), and only 34 % had values in the range of deficiency (< 20 ng/mL; GgP 75 %). There was no correlation between VD blood level and heparin and cholesterol blood levels. Conclusions The demonstration that in the majority of MCAS patients the VD level is not in a deficient range argues against an essential contribution of VD deficiency to the high prevalence of MCAS in Germany. Our findings do not exclude the possibility of smaller effects of VD level on MC activation in vivo. However, if such effects are present, the effect sizes seem to be too small to become identifiable in the multifactorial process of disease development. PMID- 29212101 TI - Invitation letters increase participation in colorectal cancer screening - results from an observational study. AB - Background and Aim Participation rates in the German colorectal cancer screening program are low. Starting in 2013, a large health insurance plan in Bavaria, Germany, is sending an additional invitation letter to insured individuals when they turn 50 or 55 years and become eligible for participation in the program. The letter provides detailed information on colorectal cancer screening. We assessed the impact of the invitation letter on utilization rates. Methods Insurance claims data of a total of 48 343 individuals who had turned 50 or 55 years between 2012 to 2014 were reviewed for utilization rates of screening colonoscopy and fecal blood tests. Utilization rates 1 year prior (2012) and 2 years after introduction of the invitation letter (2013 and 2014) were compared. Furthermore, providers of colorectal cancer screening were determined. Results Within 6 months after turning 50 or 55 years, 8.8 - 10.2 % of all insured individuals participated in colorectal cancer screening, with the majority being females. After the introduction of the invitation letter, a moderate increase in participation rates could be observed (increase to 109 % [RR 101.7 - 117.3 %, p = 0.02] in 2014). The uptake rate of screening colonoscopy was significantly higher in recipients of the letter (increase to 138.4 % [RR 110.4 - 173.8 %, p = 0.0043] in 2013 and to 149 % [RR 119.5 - 186.3 %, p = 0.0003] in 2014). Furthermore, a significantly higher proportion of general practitioners and gastroenterologists provided colorectal cancer screening in individuals receiving the invitation letter. Conclusions Introduction of an invitation letter can improve participation rates for colorectal cancer screening. PMID- 29212102 TI - [Conservative treatment of an aseptic abscess syndrome with splenic abscesses in Crohn's disease]. AB - A 24-year old woman with a history of Crohn's disease developed bloody diarrhea and multiple abdominal abscesses, daily fever, leukocytosis, and elevated CRP several months after her immunosuppressive therapy with azathioprine was stopped. Recurrent abscess punctures did not detect any pathogenic germs and neither clinical nor serological response was achieved by administration of different antimicrobial therapies. Additionally, new splenic abscesses arose despite ongoing therapy. Under the suspicion of the rare aseptic abscess syndrome, representing an auto-inflammatory, extra-intestinal manifestation of Crohn's disease, the antimicrobial therapy was stopped and an intravenous therapy with prednisolone was initiated. As soon as therapeutic response was achieved, an additional anti-TNF therapy with Infliximab was started and subsequently the intraabdominal and splenic abscesses disappeared.The knowledge of the aseptic abscess syndrome, which is characterized by (a) sterile abscesses with neutrophilic granulocytes, (b) negative blood cultures, (c) lack of response to antimicrobial treatment, and (d) rapid clinical improvement after initiation of prednisolone therapy with subsequent response in imaging, may avoid unnecessary operations like splenectomy in the present case. The exact pathophysiology of the aseptic abscess syndrome is unknown but, with regard to the sterile aspirates, an auto-inflammatory cause has been suggested. Data of a French case collection demonstrate that this syndrome may be present more frequently than expected in patients with chronic inflammatory bowel diseases. Up to now, this syndrome has not been described in German literature. PMID- 29212103 TI - Recurrent diffuse gastric bleeding as a leading symptom of gastrointestinal AL amyloidosis. AB - Amyloidosis is a rare disease (incidence about 0.8/100 000) characterized by extracellular tissue deposition of fibrils composed of low molecular weight subunits of a variety of serum proteins. Clinical manifestations are largely determined by the type of precursor protein, the tissue distribution and the amount of amyloid deposition. Gastrointestinal (GI) manifestations of amyloidosis are even more uncommon (3 % of all amyloidosis patients). Symptoms of GI amyloidosis are nonspecific, heterogeneous, and include weight loss, GI bleeding, heartburn, early satiety, diarrhea and abdominal pain. The histopathological examination of biopsy specimens from the GI tract leads to the diagnosis.Herein we report the case of a 63-year-old woman with recurrent diffuse gastric bleeding. Endoscopic biopsies revealed distinct amyloid deposits in the mucosa of the stomach. Further histochemical assessment confirmed systemic light chain (AL) amyloidosis with clinically predominant gastrointestinal manifestation. An induction therapy with bortezomib and dexamethasone was initiated.Our report illustrates the importance of the multidisciplinary approach for diagnosis and management of AL amyloidosis. Current treatment of systemic AL amyloidosis is based on cytostatic targeting of immunoglobulin producing plasma cells. Therapeutic options are limited and highly toxic, making the development of novel treatment approaches an urgent need. PMID- 29212104 TI - ? PMID- 29212105 TI - [German Society of Gastroenterology, Digestive and Metabolic Diseases (DGVS) position statement on endoscopic decompression in acute Ileus]. AB - In patients with ileus with dilated intestine in imaging studies, endoscopic decompression appears a feasible option. However, its use is often uncritical and without scientific evidence. Before considering endoscopic intervention, CT imaging should differentiate between mechanical obstruction and paralytic ileus/intestinal pseudo-obstruction. Tumor diagnosis and localisation are essential because the latter determines the choice of the decompression procedure. Coecal dilatation of more than 12 cm indicates an increased risk of perforation. In patients with toxic megacolon, dilation of the transverse colon to more than 6 cm is considered critical without much prospective evidence. Endoscopic decompression has a high complication rate and should be performed electively, and not as an emergency procedure, whenever possible. The use of CO2 insufflation rather than ambient air is strongly recommended, as is the availability of fluoroscopy. Prior trans-nasal or oral decompression-tube placement is routinely performed, and tracheobronchial intubation frequently required. In over 90 % of patients with pseudo-obstruction, conservative treatment is successful within 24 to 48 hours, and endoscopic decompression is, therefore, unnecessary. Placement of self-expanding metal stents to decompress a tumor stenosis is considered mostly for the left colon and rectum and burdened with significant risks of perforation and stent migration. Stent impact on oncological outcome is controversial because of possible tumor cell mobilization and increased postoperative cancer recurrence rates. Surgery, as primary intervention, achieves its objective in most cases. Decompression effect by endoscopic suctioning of gas and intestinal fluid is usually transient so that it is combined with transrectal decompression tubes insertion. This paper reviews the advantages and flaws of various decompression procedures in different clinical settings. PMID- 29212106 TI - [An Uncommon Case of Pneumonia]. AB - Pneumocystis jirovecii pneumonia is a common cause of respiratory disease in immunocompromised hosts. We describe a case of an HIV negative, immunocompetent patient and discuss the probable cause. PMID- 29212107 TI - [Expenditure on the Care of COPD Patients Under Everyday Conditions in Pneumological Practices Differentiated According to Patients in Chronic Care and New Patients and Severity of the Illness]. AB - New patients in the secondary respiratory care require more time for the first consultation and place a higher diagnostic and therapeutic demand if compared to patients already in chronic care. More diagnostic procedures and patient's education by the team are required. No such burden is observed regarding differential degrees of severity of respiratory diseases, e. g. COPD. The overall demands add up to twice the demands of patients already in care. Thus the time required for the treatment of 50 new patients allows consultations for 100 patients already known in the office.As additional time and effort for new patients is not adequately represented in the German medical tax (EBM) a trend to risk selection and a preference for control patients is observed. In contrast incentives to foster treatment of new patients could be an effective measure to dramatically reduce waiting time for visits with pulmonologists. This should be achieved by changes in the German medical tax (EBM). PMID- 29212108 TI - [The Aut-idem Rule and the Importance of Patient-Individual Selection of Inhalers for the Therapy of Airway Diseases in Practices of Pneumologists and General Practitioners - Assessment and Implementation by Pneumologists and General Practitioners]. AB - Drug therapy of obstructive airway diseases mainly relies on inhaled medication. The success of this therapy depends primarily on the selection of the appropriate inhaler considering patient's choice and the correct application. The aut-idem rule, an active exclusion of the optional substitution by the pharmacist, allows prescribing physicians to ensure the delivery of a particular inhaler, which was selected for that patient, who was trained to use specifically that inhaler. This survey shows that pneumologists and, to a greater extent general practitioners, do not consistently make use of this option, although they unanimously agree on the importance of targeted inhaler selection. As a result, patients may receive different inhalers in the pharmacy, where the inhaler is chosen under consideration of market-driven aspects such as rebate contracts or stock. This causes that patients get confused by the exchange of their inhaler. Thus the exchange of the inhaler by the pharmacist leads to uncertainty and application problems in patients. Hence, the success of the comparatively complex inhaled therapy is endangered. This could be prevented, if prescribing physicians were informed and supported consistently regarding the use of aut-idem exclusion to ensure an optimal therapy for each individual patient. PMID- 29212109 TI - Measuring Dabigatran Levels: What Tests Are Available and What Still Needs to Be Done? PMID- 29212110 TI - Antithrombotic Therapy in Atrial Fibrillation Associated with Valvular Heart Disease: Executive Summary of a Joint Consensus Document from the European Heart Rhythm Association (EHRA) and European Society of Cardiology Working Group on Thrombosis, Endorsed by the ESC Working Group on Valvular Heart Disease, Cardiac Arrhythmia Society of Southern Africa (CASSA), Heart Rhythm Society (HRS), Asia Pacific Heart Rhythm Society (APHRS), South African Heart (SA Heart) Association and Sociedad Latinoamericana de Estimulacion Cardiaca y Electrofisiologia (SOLEACE). AB - Management strategies for patients with atrial fibrillation (AF) in association with valvular heart disease (VHD) have been less informed by randomized trials, which have largely focused on 'non-valvular AF' patients. Thromboembolic risk also varies according to valve lesion and may also be associated with CHA2DS2 VASc score risk factor components, rather than only the valve disease being causal.Given the need to provide expert recommendations for professionals participating in the care of patients presenting with AF and associated VHD, a task force was convened by the European Heart Rhythm Association (EHRA) and European Society of Cardiology (ESC) Working Group (WG) on Thrombosis, with representation from the ESC WG on Valvular Heart Disease, Heart Rhythm Society (HRS), Asia Pacific Heart Rhythm Society (APHRS), South African Heart (SA Heart) Association and Sociedad Latinoamericana de Estimulacion Cardiaca y Electrofisiologia (SOLEACE) with the remit to comprehensively review the published evidence, and to produce a consensus document on the management of patients with AF and associated VHD, with up-to-date consensus statements for clinical practice for different forms of VHD, based on the principles of evidence based medicine.This is an executive summary of a consensus document which proposes that the term 'valvular AF' is outdated and given that any definition ultimately relates to the evaluated practical use of oral anticoagulation (OAC) type, we propose a functional EHRA (Evaluated Heartvalves, Rheumatic or Artificial) categorization in relation to the type of OAC use in patients with AF, as follows: (1) EHRA (Evaluated Heartvalves, Rheumatic or Artificial) type 1 VHD, which refers to AF patients with 'VHD needing therapy with a vitamin K antagonist (VKA)' and (2) EHRA (Evaluated Heartvalves, Rheumatic or Artificial) type 2 VHD, which refers to AF patients with 'VHD needing therapy with a VKA or a non-VKA oral anticoagulant also taking into consideration CHA2DS2-VASc score risk factor components. PMID- 29212111 TI - Pathophysiological Mechanisms of Endogenous FVIII Release following Strenuous Exercise in Non-severe Haemophilia: A Review. AB - Introduction Non-severe haemophilia A is characterized by coagulation Factor VIII activity (FVIII:C) levels of 1 to 40 IU/dL. It has been reported that strenuous exercise increases the plasma FVIII:C in haemophilia A patients. This review highlights current knowledge about the pathophysiological mechanisms of endogenous FVIII release following strenuous exercise.Methods A literature search was performed to include relevant studies with data on pathophysiological mechanisms of FVIII release following strenuous exercise in haemophilia.Results The source of the released FVIII is most likely endothelial cells (ECs) from different vascular beds. ECs from human lung, lymph, heart, intestine, skin and pulmonary artery can release and even produce FVIII in response to activation by epinephrine. Ex vivo evidence suggests that FVIII is co-stored with von Willebrand factor in Weibel-Palade bodies in some forms of non-severe haemophilia. The beta-adrenergic receptor pathway is involved in increased FVIII levels following strenuous exercise.Conclusion The current available ex vivo and in vivo evidence suggests that endogenous FVIII is released by ECs from different vascular beds in response to epinephrine following strenuous exercise in patients with non-severe haemophilia. PMID- 29212112 TI - Incidence of Venous Thromboembolism in Asian Populations: A Systematic Review. AB - Introduction Despite a marked recent increase in the number of publications describing the incidence of venous thromboembolism (VTE) in Asia, and especially in mainland China, Hong Kong, Taiwan, Korea, Japan and Singapore, there remains a lack of consensus on the true risks, and trends over time, to inform appropriate clinical practice. The purpose of this systematic review was therefore to examine evidence about the incidence of symptomatic VTE in Asia.Methods Databases were searched for studies from Asia, published between January 1995 and February 2016, on the incidence of symptomatic VTE, deep vein thrombosis (DVT) or pulmonary embolism. Review of eligible studies was conducted independently by two reviewers. Data were extracted on incidence, predispositions and recurrence of VTE.Results One thousand nighty-five studies were identified, of which 73 were eligible for full text review and data extraction. Three population-wide estimates of VTE rates identified from Korea, Taiwan and Hong Kong reported annual incidences of 13.8, 15.9 and 19.9 per 100,000, respectively. Nine studies of Asian hospital registries or databases reported VTE rates ranging from 11 to 88 cases per 10,000 admissions. Population-based estimates of post-surgical DVT rates ranged from 0.15 to 1.35%. Age was a significant risk factor for VTE in all population groups.Conclusion Population-wide incidence estimates in Asia were approximately 15 to 20% of the levels recorded in western countries but have increased over time. It is anticipated this synthesis of evidence on the incidence of VTE and its predisposing factors will increase awareness about VTE in Asian populations. PMID- 29212113 TI - Assessing Bleeding Risk in Atrial Fibrillation Patients: Comparing a Bleeding Risk Score Based Only on Modifiable Bleeding Risk Factors against the HAS-BLED Score. The AMADEUS Trial. AB - Background The HAS-BLED (hypertension, abnormal renal/liver function, previous stroke, bleeding history or predisposition, labile international normalized ratio [INR], elderly and drugs/alcohol consumption) score has been validated in several scenarios but the recent European guidelines does not recommend any clinical score to assess bleeding risk in atrial fibrillation (AF) patients and only focus on modifiable clinical factors.Purpose The aim of this study was to test the hypothesis that the HAS-BLED score would perform at least similarly to an approach only based on modifiable bleeding risk factors (i.e. a 'modifiable bleeding risk factors score') for predicting bleeding events.Methods We performed a comparison between the HAS-BLED score and the new 'modifiable bleeding risk factors score' in a post hoc analysis in 4,576 patients included in the AMADEUS trial.Results After 347 (interquartile range, 186-457) days of follow-up, 597 patients (13.0%) experienced any clinically relevant bleeding event and 113 (2.5%) had a major bleeding. Only the HAS-BLED score was significantly associated with the risk of any clinically relevant bleeding (Cox's analysis for HAS-BLED >= 3: hazard ratio 1.38; 95% confidence interval [CI], 1.10-1.72; p = 0.005). The 'modifiable bleeding risk factors score' >= 2 were non-significantly associated with any clinical relevant bleeding. The two scores had modest ability in predicting bleeding events. The HAS-BLED score performed best in predicting any clinically relevant bleeding (c-indexes for HAS-BLED, 0.545 [95% CI, 0.530-0.559] vs. the 'modifiable bleeding risk factors score', 0.530 [95% CI, 0.515-0.544]; c index difference 0.015, z-score = 2.063, p = 0.04). The HAS-BLED score with one, two and three modifiable factors performed significantly better than the 'modifiable bleeding risk factors scores' with one, two and three modifiable risk factors.Conclusion When compared with an approach only based on modifiable bleeding risk factors proposed by European Society of Cardiology (ESC) AF guidelines, the HAS-BLED score performed significantly better in predicting any clinically relevant bleeding in this clinical trial cohort. While modifiable bleeding risk factors should be addressed in all AF patients, the use of a formal bleeding risk score (HAS-BLED) has better predictive value for bleeding risks, and would help decision-making in identifying 'high risk' patients for scheduling reviews and follow-up. PMID- 29212114 TI - Use of Bypassing Agents and Risk of Thromboembolic Events in Patients with Haemophilia and Inhibitors. AB - Patients with haemophilia and inhibitors to factors VIII or IX require bypassing therapy. The primary safety concern of bypassing agents is thromboembolism; however, the incidence of thromboembolic adverse events (TAEs) in haemophilia patients with inhibitors remains poorly characterized. The aim of this study was to assess the incidence of TAEs following exposure to bypassing agents in patients with haemophilia. Using U.S. Medicaid database (2000-2010), we identified a cohort of 719 males (mean age: 10 years at cohort entry) with haemophilia A or B and use of either recombinant factor VIIa (rFVIIa) or activated prothrombin complex concentrate (aPCC). Patients were followed up until loss of insurance eligibility, end of study period, or the first occurrence of TAE. Exposure was assessed on as-treated basis, and outcomes were adjudicated through review of healthcare claims. During the observation of a total of 2,823 person-years (py; mean follow-up: 3.9 years), 22 TAEs were identified, leading to incidence rates of 4.2 events (95% confidence interval [CI]: 1.8-8.3) per 1,000 unexposed py; 15.4 events (95% CI: 6.7-30.3) per 1,000 aPCC-exposed py; 18.2 events (95% CI: 8.3-34.6) per 1,000 rFVIIa-exposed py; and 29.7 events (95% CI: 6.1-86.7) per 1,000 py of concomitant exposure to both agents. The results were consistent across sensitivity analyses. In conclusion, we found no difference in the rate of TAEs across agents, but the data are compatible with a possibly increased rate associated with a combination therapy, highlighting the need for continuing safety monitoring through prospective registries or observational data. PMID- 29212115 TI - Risk Factors for the Progression from Low to High Titres in 260 Children with Severe Haemophilia A and Newly Developed Inhibitors. AB - In children with severe haemophilia A, inhibitors to factor VIII (FVIII) usually develop during the first 50 treatment exposure days and are classified as low or high titre depending on the peak inhibitor titre being greater or less than 5 Bethesda units/mL (BU/mL). Classification of the inhibitor may change with time, as some low-titre inhibitors progress to high titre following re-exposure to FVIII concentrate. The aim of this study was to investigate potential risk factors for such a progression in children with severe haemophilia A and newly diagnosed inhibitors. This study was a follow-up study of the PedNet Registry and included 260 children with severe haemophilia A and inhibitors born between 1990 and 2009 and recruited consecutively from 31 haemophilia centres. Clinical and laboratory data were collected from the date of each child's first positive inhibitor test for at least 3 years. At the time of first positive inhibitor test, 49% (n = 127) had low-titre inhibitors, with 50% of them progressing to high titre and only 25% maintaining low titres. The FVIII gene (F8) mutation type was known in 247 patients (95%), and included 202 (82%) null mutations. The progression to high-titre inhibitors was associated with null F8 mutations (odds ratio [OR]: 2.6; 95% confidence interval [CI]: 1.0-6.5), family history of inhibitors (OR: 7.2; 95% CI: 1.8-28.4) and the use of high-dose immune tolerance induction, defined as >=100 IU FVIII concentrate/kg/d (OR: 3.9; 95% CI: 1.5 10.0). These results suggest that high-dose immune tolerance induction should be avoided as the initial strategy in patients who develop low-titre FVIII inhibitors. PMID- 29212116 TI - Refinement of Mouse Protocols for the Study of Platelet Thromboembolic Responses In Vivo. AB - Mouse models of thromboembolism are frequently used to investigate platelet function in vivo and, according to European Union (EU) legislation, must be conducted in the context of replacement, refinement and reduction. We have previously developed a refined real-time mouse model of thromboembolism as an alternative to models of thromboembolic mortality which inflict considerable pain and suffering. Real-time monitoring involves infusion of radiolabelled platelets into the circulation of anaesthetized mice, and platelet aggregation is measured as increases in platelet-associated counts in the pulmonary vasculature following injection of platelet agonists. This gives a definitive data set on the tissue localization and extent of platelet activation. We developed an additional, more simplistic alternative to mortality models based on blood microsampling which entails the measurement of circulating platelet counts following agonist stimulation. Blood microsamples were collected from the tail vein of anaesthetized mice at three different time points leading to a reduction in animal numbers. Platelet counts significantly dropped 1 minute after stimulation with collagen or thrombin and were restored over 10 minutes. These results correlate with those obtained via real-time monitoring and were confirmed by immunohistochemistry. Pre-treatment of mice with aspirin significantly inhibited the decrease in platelet counts following collagen. These data suggest that blood microsampling may be implemented as a simplistic refined alternative to mortality models of thromboembolism when specialized monitoring equipment, or use of radioactive isotopes for real-time monitoring, which remains the 'gold standard', is not feasible. Microsampling refines and reduces animal procedures in compliance with current EU legislation. PMID- 29212117 TI - Renal Function, Time in Therapeutic Range and Outcomes in Warfarin-Treated Atrial Fibrillation Patients: A Retrospective Analysis of Nationwide Registries. AB - Patients with severely reduced renal function have been excluded from randomized controlled trials of oral anticoagulation in atrial fibrillation (AF). Warfarin treatment in this population is controversial and data on anticoagulation control and the impact on adverse outcomes are needed. By individual-level linkage of nationwide registries, we identified all patients discharged from hospitals with AF in Denmark between 1997 and 2011. Patients with available serum creatinine tests were categorized according to the estimated glomerular filtration rate (eGFR). Time in therapeutic range (TTR) was calculated using the Rosendaal method. The risk of stroke and bleeding was estimated using multivariable Cox regression analyses with eGFR and TTR estimated time dependently throughout follow-up. We identified 10,423 warfarin-treated AF patients with available international normalized ratio and creatinine tests; 5,527 with eGFR > 60 mL/min/1.73 m2, 4,524 with eGFR 30-60 mL/min/1.73 m2 and 372 with eGFR < 30 mL/min/1.73 m2. Median TTR was 66.7, 61.2 and 49.7% in patients with eGFR > 60, 30-59 and <30 mL/min/1.73 m2, respectively. A TTR < 70% was associated with a higher risk of stroke/thromboembolism (hazard ratio [HR]: 1.39; 95% confidence interval [CI]: 1.20-1.60) and bleeding (HR: 1.22; 95% CI: 1.05-1.42) among patients with eGFR of 30 to 59 and a trend towards higher risk of stroke/thromboembolism (HR: 1.24; 95% CI: 0.86-1.80) and bleeding (HR: 1.17; 95% CI: 0.83-1.65) among patients with eGFR < 30 mL/min/1.73 m2. In conclusion, warfarin-treated AF patients with reduced renal function have suboptimal anticoagulation control which was related to the risk of adverse outcomes. PMID- 29212118 TI - Myeloperoxidase Is a Negative Regulator of Phospholipid-Dependent Coagulation. AB - Myeloperoxidase (MPO) is a cationic heme enzyme stored in neutrophilic polymorphonuclear leukocytes (PMNs) that has recently been implicated in inflammatory cell signaling and tissue damage. Although PMNs play a critical role in both innate immunity and vascular thrombosis, no previous study has systematically investigated the effect of MPO on blood coagulation. Here, we show that PMN-derived MPO inhibits the procoagulant activity (PCA) of lipidated recombinant human tissue factor (rhTF) in a time- and concentration-dependent manner that involves, but is not entirely dependent on the enzyme's catalytic activity. Similarly, MPO together with its substrate, H2O2, inhibited the PCA of plasma microvesicles isolated from lipopolysaccharide (LPS)-stimulated whole blood, an effect additive to that of a function blocking TF antibody. Treatment of whole blood with LPS or phorbol-myristate-acetate dramatically increased MPO plasma levels, and co-incubation with 4-ABAH, a specific MPO inhibitor, significantly enhanced the PCA in plasma supernatants. MPO and MPO/H2O2 also inhibited the PCA of activated platelets and purified phospholipids (PLs), suggesting that modulation of negatively charged PLs, i.e., phosphatidylserine, rather than direct interference with the TF/FVIIa initiation complex was involved. Consistently, pretreatment of activated platelets with MPO or MPO/H2O2 attenuated the subsequent binding of lactadherin, which specifically recognizes procoagulant PS on cell membranes. Finally, endogenously released MPO regulated the PCA of THP1 cells in an autocrine manner dependent on the binding to CD11b/CD18 integrins. Collectively, these findings indicate that MPO is a negative regulator of PL-dependent coagulation and suggest a more complex role of activated PMNs in haemostasis and thrombosis. PMID- 29212119 TI - Escitalopram Impairs Thrombin-Induced Platelet Response, Cytoskeletal Assembly and Activation of Associated Signalling Pathways. AB - Background Serotonin reuptake inhibitors (SSRIs) may impair platelet function. Thrombin is a strong platelet agonist causing irreversible aggregation, release of granules' contents, cytoskeletal rearrangement and activation of signalling pathways. We investigated the effects of the SSRI escitalopram (SCIT) on thrombin induced platelet response.Methods Isolated platelets were exposed to SCIT and activated with thrombin. We evaluated (1) platelet response by aggregometry and flow cytometry; (2) modifications in cytoskeleton proteins and signalling pathways by electrophoresis and Western blot; and (3) ultrastructural changes in platelets by electron microscopy.Results SCIT inhibited platelet response to thrombin, measured as platelet aggregation and expression of activation markers CD62-P and CD63 from platelet granules. Platelet aggregation decreased in a dose dependent manner, reaching statistical significance with SCIT >=32 ug/mL (65.4 +/ 6.8% vs. 77.7 +/- 2.5% for controls; p < 0.05). Expression of activation markers was statistically reduced with SCIT >=20 ug/mL (p < 0.05). SCIT impaired the polymerization of the actin cytoskeleton and association of contractile proteins during activation with thrombin (p < 0.05 with SCIT >=50 ug/mL). Resting platelets incubated with SCIT became most spherical, with increased platelet roundness (p < 0.01, SCIT 50 ug/mL vs. control). SCIT interfered with signalling pathways modulated by thrombin (RhoA, PKC, Erk1/2 and PI3K/AKT).Conclusions Our data indicate that SCIT inhibits thrombin-induced platelet response and interferes with cytoskeletal assembly and related signalling pathways, thus resulting in compromised release of granules' contents, reduced platelet activation and aggregation. These mechanisms may explain the antithrombotic benefits observed in patients treated with this SSRI, and could become new therapeutic targets for future antithrombotic strategies. PMID- 29212120 TI - Developmental Stage-Specific Manifestations of Absent TPO/c-MPL Signalling in Newborn Mice. AB - Congenital amegakaryocytic thrombocytopaenia (CAMT) is a disorder caused by c-MPL mutations that impair thrombopoietin (TPO) signalling, resulting in a near absence of megakaryocytes (MKs). While this phenotype is consistent in adults, neonates with CAMT can present with severe thrombocytopaenia despite normal MK numbers. To investigate this, we characterized MKs and platelets in newborn c-MPL -/- mice. Liver MKs in c-MPL -/- neonates were reduced in number and size compared with wild-type (WT) age-matched MKs, and exhibited ultrastructural abnormalities not found in adult c-MPL -/- MKs. Platelet counts were lower in c MPL -/- compared with WT mice at birth and did not increase over the first 2 weeks of life. In vivo biotinylation revealed a significant reduction in the platelet half-life of c-MPL -/- newborn mice (P2) compared with age-matched WT pups, which was not associated with ultrastructural abnormalities. Genetic deletion of the pro-apoptotic Bak did not rescue the severely reduced platelet half-life of c-MPL -/- newborn mice, suggesting that it was due to factors other than platelets entering apoptosis early. Indeed, adult GFP+ (green fluorescent protein transgenic) platelets transfused into thrombocytopenic c-MPL -/- P2 pups also had a shortened lifespan, indicating the importance of cell-extrinsic factors. In addition, neonatal platelets from WT and c-MPL -/- mice exhibited reduced P-selectin surface expression following stimulation compared with adult platelets of either genotype, and platelets from c-MPL -/- neonates exhibited reduced glycoprotein IIb/IIIa (GPIIb/IIIa) activation in response to thrombin compared with age-matched WT platelets. Taken together, our findings indicate that c-MPL deficiency is associated with abnormal maturation of neonatal MKs and developmental stage-specific defects in platelet function. PMID- 29212121 TI - Erythrocyte Membrane Fluidity Alterations in Sudden Sensorineural Hearing Loss Patients: The Role of Oxidative Stress. AB - Introduction Sudden sensorineural hearing loss (SSNHL) involves an acute unexplained hearing loss, nearly always unilateral, that occurs over less than a 72-hour period. SSNHL pathogenesis is not yet fully understood. Cochlear vascular occlusion has been proposed as a potential mechanism of hearing damage and cochlear ischaemia has been related to alterations of cochlear microvessels. In addition, some researchers have focused their attention on the rheological alterations and blood hyperviscosity. Erythrocyte deformability plays a key role in determining blood viscosity, and it is critical to cochlear perfusion. It has been shown that oxidative stress-induced erythrocyte membrane fluidity alterations are linked to the progression of cardiovascular diseases.Methods To determine whether erythrocytes from SSNHL patients show signs of oxidative stress, and whether this condition can modify the haemorheologic profile in these patients, we analysed haemorheologic profile and erythrocyte oxidative stress in 35 SSNHL patients and 35 healthy subjects, matched for age and sex. Fluorescence anisotropy was used to evaluate the fluidity of erythrocyte membranes.Results Our results show a significant structural and functional involvement of erythrocyte membrane alterations in SSNHL, as well as elevated levels of membrane lipid peroxidation and intracellular reactive oxygen species (ROS) production. In addition, erythrocyte-derived ROS and erythrocyte lipid peroxidation positively correlated with whole blood viscosity and erythrocyte deformability. Moreover, in vitro experiments demonstrated that ROS display a key role in erythrocyte membrane fluidity.Conclusion These findings indicate that erythrocyte oxidative stress plays a key role in the pathogenesis of SSNHL and pave the way to new therapeutic interventions. PMID- 29212122 TI - Levels of Circulating Intermediate Monocytes Decrease after Aortic Valve Replacement in Patients with Severe Aortic Stenosis. AB - Aortic valve stenosis (AS) is a chronic inflammatory disease. We have previously shown that severe AS is associated with increased levels of circulating intermediate monocytes. Haemodynamics are considered to influence levels of circulating monocyte subsets; we therefore hypothesized that aortic valve replacement may result in changes in the distribution of circulating monocyte subsets. In the present study, we evaluated levels of circulating monocyte subsets in patients with severe AS undergoing surgical aortic valve replacement (SAVR) or transcatheter aortic valve replacement (TAVR). Levels of classical (CD14++CD16-), intermediate (CD14++CD16+), and non-classical (CD14+CD16++) CD86 positive monocytes were determined by flow cytometry in peripheral blood of patients with severe AS before (baseline) and at 3- and 6-month follow-ups (FUP) after SAVR (n = 25 patients) or TAVR (n = 44 patients). Absolute and relative levels of circulating intermediate monocytes decreased from median 39.9/uL (interquartile range [IQR]: 31.7-53.6/uL) and 6.7% (5.6-8.1%) at baseline to 31.6/uL (24.3-42.4/uL; p < 0.001) and 5.4% (4.4-6.7%; p < 0.001) at 6-month FUP after aortic valve replacement, respectively. The decrease in levels of circulating intermediate monocytes appeared earlier (between baseline and 3-month FUP) in the TAVR group compared with the SAVR group (between 3- and 6-month FUP). In conclusion, levels of circulating intermediate monocytes decrease after SAVR or TAVR in patients with severe AS. PMID- 29212123 TI - Enrichment of Circulating Endothelial Cells by CD34 Microbeads Followed by Enumeration Using Flow Cytometry. AB - Background Circulating endothelial cells (CECs) are a potential biomarker of angiogenesis. CECs increase in numbers after vessel injury. Higher CEC numbers are reported in cancer patients. Most methods for CEC detection and enumeration rely on flow cytometry (FCM); however, there is no agreement on CEC phenotype and the detection method to be used. This leads to uncertainty about the clinical applicability and variation between studies on CEC numbers reported.Objective To develop a selective and accurate method for CEC enumeration in peripheral blood by enrichment, followed by FCM in healthy volunteers (HV) and cancer patients.Methods Samples were enriched using CD34 microbeads, stained with nuclear dye and anti-CD14, CD15, CD45, CD34 and CD146 antibodies. Putative CECs were examined for Weibel-Palade bodies (WPBs) using anti-von Willebrand factor (vWF) antibody and fluorescence microscopy. Linear range of detection (R 2), recovery and precision (coefficient of variation percentage [CV%]) were defined in three experiments by spiking a known number (range 12-12,800 CECs/4 mL) of surrogate endothelial cells in peripheral blood. Sample storage was determined at -80 degrees C for up to 2 months.Results Sorted CECs showed vWF in the WPBs. The relationship between spiked and detected surrogate cells was R 2 = 1.0, recovery of 94.0 to 101.4% and CV% of 1.0 to 18.4%. Recovery +/- standard deviation (within-run days 1, 2 and 3) were, respectively, 102.5% +/- 8.2, 97.8% +/- 4.6, 99.1% +/- 7.7, and after 2 months 94.3% +/- 15.3. The median CECs/mL in patients was 24.1 versus 14.4 in HVs.Conclusion This method for selective, sensitive and reliable CEC analysis by FCM allows for investigation of CECs as a biomarker in clinical research. PMID- 29212124 TI - Diagnostic Accuracy of a Novel Chromogenic Direct Thrombin Inhibitor Assay: Clinical Experiences for Dabigatran Monitoring. AB - Background Direct oral anticoagulants (DOACs) are increasingly replacing vitamin K antagonists (VKA) for clinical indications requiring long-term oral anticoagulation. In contrast to VKA, treatment with DOAC including dabigatran-the only direct thrombin inhibitor amongst them-does not require therapeutic drug monitoring. However, in case of treatment complications (e.g., major haemorrhage) and conditions requiring urgent surgery or thrombolytic therapy, information about actual DOAC plasma levels is needed to guide treatment decisions. Due to short reagent stability, limited accuracy at low dabigatran levels and high heparin sensitivity, the applicability of the widely used Hemoclot thrombin inhibitor (HTI) coagulation assay is limited in the emergency setting.Methods Dabigatran concentrations of 288 citrated plasma samples taken from 48 dabigatran treated patients with drug concentrations of up to 300 ng/mL were measured with the chromogenic anti-IIa Biophen direct thrombin inhibitor (BDTI) assay and results compared with HTI using ultra performance liquid chromatography-tandem mass spectrometry as the reference method for measuring dabigatran plasma concentrations.Results BDTI results showed a very strong correlation with dabigatran concentrations (r = 0.965, p < 0.0001) as well as a low intra- and inter-assay variation of <5%. Compared with HTI, BDTI provides an improved on board reagent stability of 72 hours, rapid turnaround times comparable to routine coagulation assays, high accuracy at low drug levels and reduced heparin sensitivity.Conclusion The BDTI is an ideal coagulation assay for the around-the clock determination of dabigatran plasma levels in clinical routine including emergency situations. PMID- 29212125 TI - Regional Differences in Antithrombotic Treatment for Atrial Fibrillation: Insights from the GLORIA-AF Phase II Registry. AB - Introduction Although guideline-adherent antithrombotic therapy (ATT) for stroke prevention in atrial fibrillation (AF) is associated with lower mortality and thromboembolism, ATT uptake shows geographic variation worldwide. We aimed to assess thromboembolic risk and baseline ATT by geographic region and identify factors associated with prescription of ATT in a large, truly global registry of patients with recently diagnosed AF.Methods and Results Our analysis comprises 15,092 patients newly diagnosed with non-valvular AF at risk for stroke, enrolled in Phase II of Global Registry on Long-Term Oral Antithrombotic Treatment in Patients with Atrial Fibrillation (GLORIA-AF). Global oral anticoagulation (OAC) use was 79.9%, being highest in Europe (90.1%), followed by Africa/Middle East (87.4%) and Latin America (85.3%), North America (78.3%) and Asia (55.2%). Among OAC users, vitamin K antagonists (VKAs) have been replaced by non-VKA OACs (NOACs) as the more prevalent OAC option in all regions, with highest use in North America (66.5%) and lowest in Asia (50.2%). In Asia, OAC was 80.4% in community hospitals but only 49.8% in university hospitals and 42.6% in specialist offices, and varied from 21.0% in China to 89.7% in Japan (NOACs at 5.8% in China and 83.3% in Japan). Globally, 76.5% of low-risk patients were prescribed ATT (46.1% OAC), whereas 17.7% high-risk patients were not anticoagulated (Europe 8.8%; North America 18.9%; Asia 42.4%).Conclusion Substantial inter- and intra-regional differences in ATT for stroke prevention in AF are evident in this global registry. While guideline-adherent ATT can be further improved, NOACs are the main contributor to high OAC use worldwide. PMID- 29212126 TI - Thrombus Burden of Deep Vein Thrombosis and Its Association with Thromboprophylaxis and D-Dimer Measurement: Insights from the APEX Trial. AB - Background The aim of this study was to evaluate the effect of betrixaban on the occurrence of deep vein thrombosis (DVT) and also the extent of thrombus and to assess the association of baseline D-dimer with subsequent thrombus burden.Methods In the APEX trial (ClinicalTrials.gov: NCT01583218), 7,513 acutely ill hospitalized medical patients were randomly assigned to extended-duration betrixaban (35-42 days) or enoxaparin (10 +/- 4 days). D-dimer concentration was measured at baseline, and mandatory lower-extremity compression ultrasonography (CUS) was performed at 35 to 42 days. The thrombus burden of DVT was assessed by the number of non-compressible vascular segments in six target proximal veins and compared between treatment groups and D-dimer categories (>=2 * upper limit of normal [ULN] versus <2 * ULN).Results Compared with enoxaparin, extended-duration betrixaban reduced the DVT risk at 35 to 42 days (any-dose: relative risk [RR] = 0.76 [95% confidence interval: 0.61-0.94]; p = 0.013; full-dose: RR = 0.70 [0.55 0.90]; p = 0.005). Patients who received betrixaban were more likely to have a lower thrombus burden (p = 0.012 for any-dose and p = 0.001 for full-dose). Elevated D-dimer at baseline was independently associated with a 2.12-fold increased risk of developing DVT (p < 0.001). A greater thrombus burden was also observed in those with D-dimer >= 2 * ULN compared with <2 * ULN (p < 0.0001).Conclusion Extended-duration betrixaban reduced the number of venous segments with thrombosis at 35 to 42 days compared with enoxaparin. A positive D dimer was associated with a greater extent of thrombus burden among acutely ill medical patients who developed DVT despite receiving thromboprophylaxis. PMID- 29212127 TI - Low-Dose Aspirin after an Episode of Haemorrhagic Stroke Is Associated with Improved Survival. AB - We aimed at investigating how antiplatelet drug use affected mortality in patients with a history of haemorrhagic stroke (HS). Thus, starting 30 days after an HS episode, we followed 1,004 patients with intracerebral haemorrhage (ICH) and 929 patients with subarachnoid haemorrhage (SAH) for a median of 6.4 years. We estimated the effect of time-dependent exposure to antiplatelets after HS on all-cause mortality. Cox proportional hazard models were used to compute adjusted hazard ratios (aHRs) and 95% confidence intervals (CI).We found that current use of low-dose aspirin was associated with a 32% improved survival (aHR = 0.68; 95% CI: 0.53-0.88), with a similar association among ICH (aHR = 0.66; 95% CI: 0.49 0.89) and SAH (aHR = 0.61; 95% CI: 0.36-1.04) patients. A statistically significant improved survival associated with current use of low-dose aspirin during follow-up was only observed among individuals who used antithrombotic drugs in the year before the HS (prior use: aHR = 0.56; 95% CI: 0.39-0.80; non prior use: aHR = 0.87; 95% CI: 0.61-1.24). Current use of clopidogrel was not associated with survival (aHR = 1.35; 95% CI: 0.88-2.08). Statin use was associated with improved survival (aHR = 0.38; 95% CI: 0.31-0.47). On the other hand, discontinuation of statins (aHR = 1.31; 95% CI: 1.02-1.68) or low-dose aspirin (aHR = 1.54; 95% CI: 1.21-1.97) was associated with decreased survival. In our study, use of low-dose aspirin after an episode of HS to reduce vascular risks is safe, particularly in patients who were on antithrombotic therapy before the episode. Our results suggest an improved survival associated with low-dose aspirin. This finding must be interpreted with care due to the observational nature of the study, and warrants further studies. PMID- 29212128 TI - Outpatient Management in Patients with Venous Thromboembolism with Edoxaban: A Post Hoc Analysis of the Hokusai-VTE Study. AB - Direct oral anticoagulants (DOACs) facilitate the outpatient treatment of venous thromboembolism (VTE). However, the pivotal trials of DOACs have not reported outcomes separately for patients managed either as outpatients or in the hospital. We performed a subgroup analysis of the Hokusai-VTE study comparing efficacy and safety of edoxaban with warfarin in 8,292 patients with acute VTE. Patients received initial therapy with open-label enoxaparin or unfractionated heparin for >=5 days in the hospital or as an outpatient at the discretion of the treating physician. Edoxaban or warfarin was then given for 3 to 12 months. The primary efficacy outcome was the cumulative incidence of symptomatic recurrent VTE at 12 months. The principal safety outcome was the incidence of clinically relevant bleeding (composite of major or clinically relevant non-major bleeding). Of the 5,223 consecutively enrolled patients with recorded hospital status and length of stay, 1,414 patients (27.1%) were managed as outpatients and 3,809 were managed in hospital. Among the outpatients, initial presentation was symptomatic deep-vein thrombosis (DVT) in 1,183 patients (83.7%) and pulmonary embolism (PE) in 231 patients (16.3%). Among the outpatients with DVT, recurrent VTE occurred in 18 (3.0%) given edoxaban and in 21 (3.6%) given warfarin (risk difference: 0.61, 95% confidence interval [CI]: -2.6 to 1.4). The principal safety outcome in outpatients occurred in 46 edoxaban patients (7.7%) and in 48 warfarin patients (8.3%; risk difference: -0.59, 95% CI: -3.7 to 2.5). Most outpatients had symptomatic DVT at presentation. In these patients, initial heparin followed by edoxaban had similar efficacy and safety to standard therapy with heparin and warfarin. PMID- 29212129 TI - The Perioperative Anticoagulant Use for Surgery Evaluation (PAUSE) Study for Patients on a Direct Oral Anticoagulant Who Need an Elective Surgery or Procedure: Design and Rationale. AB - Background The perioperative management of patients who take a direct oral anticoagulant (DOAC) for atrial fibrillation and require treatment interruption for an elective surgery/procedure is a common clinical scenario for which best practices are uncertain. The Perioperative Anticoagulant Use for Surgery Evaluation (PAUSE) study is designed to address this unmet clinical need. We discuss the rationale for the PAUSE design and analysis plan as well as the rationale supporting the perioperative DOAC protocol.Methods PAUSE is a prospective study with three parallel cohorts, one for each DOAC, to assess a standardized but patient-specific perioperative management protocol for DOAC treated patients with atrial fibrillation. The perioperative protocol accounts for DOAC type, patient's renal function and surgery/procedure-related bleeding risk. The primary study aim is to demonstrate the safety of the PAUSE protocol for the perioperative management of each DOAC. The secondary aim is to determine the effect of the pre-procedure interruption on residual anticoagulation when measured by the dilute thrombin time for dabigatran and anti-factor Xa levels for rivaroxaban and apixaban. The study hypothesis is that the perioperative management protocol for each DOAC is safe for patient care, defined by expected risks for major bleeding of 1% (80% power to exclude 2%), and for arterial thromboembolism of 0.5% (80% power to exclude 1.5%) in each DOAC group.Conclusion The PAUSE study has the potential to establish a standard-of-care approach for the perioperative management of DOAC-treated patients. The PAUSE management protocol is designed to be easily applied in clinical practice, as it is standardized and also patient specific. PMID- 29212130 TI - Dabigatran after Short Heparin Anticoagulation for Acute Intermediate-Risk Pulmonary Embolism: Rationale and Design of the Single-Arm PEITHO-2 Study. AB - Patients with intermediate-risk pulmonary embolism (PE) may, depending on the method and cut-off values used for definition, account for up to 60% of all patients with PE and have an 8% or higher risk of short-term adverse outcome. Although four non-vitamin K-dependent direct oral anticoagulants (NOACs) have been approved for the treatment of venous thromboembolism, their safety and efficacy as well as the optimal anticoagulation regimen using these drugs have not been systematically investigated in intermediate-risk PE. Moreover, it remains unknown how many patients with intermediate-high-risk and intermediate low-risk PE were included in most of the phase III NOAC trials. The ongoing Pulmonary Embolism International Thrombolysis 2 (PEITHO-2) study is a prospective, multicentre, multinational, single-arm trial investigating whether treatment of acute intermediate-risk PE with parenteral heparin anticoagulation over the first 72 hours, followed by the direct oral thrombin inhibitor dabigatran over 6 months, is effective and safe. The primary efficacy outcome is recurrent symptomatic venous thromboembolism or death related to PE within the first 6 months. The primary safety outcome is major bleeding as defined by the International Society on Thrombosis and Haemostasis. Secondary outcomes include all-cause mortality, the overall duration of hospital stay (index event and repeated hospitalizations) and the temporal pattern of recovery of right ventricular function over the 6-month follow-up period. By applying and evaluating a contemporary risk-tailored treatment strategy for acute PE, PEITHO-2 will implement the recommendations of current guidelines and contribute to their further evolution. PMID- 29212131 TI - Predicting Vaginal Delivery in Nulliparous Women Undergoing Induction of Labor at Term. AB - OBJECTIVE: We sought to develop a model to calculate the likelihood of vaginal delivery in nulliparous women undergoing induction at term. STUDY DESIGN: We obtained data from the Consortium on Safe Labor by including nulliparous women with term singleton pregnancies undergoing induction of labor at term. Women with contraindications for vaginal delivery were excluded. A stepwise logistic regression analysis was used to identify the predictors associated with vaginal delivery by considering maternal characteristics and comorbidities and fetal conditions. The receiver operating characteristic curve, with an area under the curve (AUC) was used to assess the accuracy of the model. RESULTS: Of 10,591 nulliparous women who underwent induction of labor, 8,202 (77.4%) women had vaginal delivery. Our model identified maternal age, gestational age at delivery, race, maternal height, prepregnancy weight, gestational weight gain, cervical exam on admission (dilation, effacement, and station), chronic hypertension, gestational diabetes, pregestational diabetes, and abruption as significant predictors for successful vaginal delivery. The overall predictive ability of the final model, as measured by the AUC was 0.759 (95% confidence interval, 0.749 0.770). CONCLUSION: We identified independent risk factors that can be used to predict vaginal delivery among nulliparas undergoing induction at term. Our predictor provides women with additional information when considering induction. PMID- 29212132 TI - Urological laparoendoscopic single-site and reduced port surgery: A nationwide survey in Japan. AB - OBJECTIVES: To evaluate the current status of urological laparoendoscopic single site and reduced port surgery in Japan. METHODS: Of the 152 institutions to which councilors of the Japanese Society of Endourology belong, 42 (28%) have carried out laparoendoscopic single-site and reduced port surgery. A total of 32 of these institutions agreed to participate in this survey. Patients who had undergone surgery between January 2008 and March 2014 were included in the present study. RESULTS: Overall, 1145 cases of laparoendoscopic single-site and reduced port surgery were recorded during the study period. The most frequent procedures were adrenalectomy and radical nephrectomy. Laparoendoscopic single-site and reduced port surgery represented 12% (872/7311) of all laparoscopic procedures carried out at participating institutions. The number of patients who underwent pyeloplasty, donor nephrectomy and simple nephrectomy tended to increase, whereas those who underwent adrenalectomy, radical nephrectomy and nephroureterectomy peaked in 2012, and then tended to decrease in 2013. The rates of conversion, perioperative and postoperative complications, were 2.7%, 2.2% and 4.5%, respectively. CONCLUSIONS: The number of laparoendoscopic single-site and reduced port urological surgeries in Japan has increased for benign indications, such as pyeloplasty, donor nephrectomy and simple nephrectomy. In contrast, procedures such as adrenalectomy and radical nephrectomy are trending down after reaching a peak in 2012. Overall, laparoendoscopic single-site and reduced port urological surgery in Japan is being safely carried out when compared with other reported series of laparoendoscopic single-site surgery and conventional laparoscopic surgery. PMID- 29212133 TI - Factors associated with patient-reported procedural memory following emergency department procedural sedation with ketamine and propofol: A prospective cohort of 563 patients. AB - OBJECTIVES: To describe the proportion of patients reporting procedural memory following procedural sedation and analgesia (PSA) with ketamine and propofol (KP) administered premixed together (ketofol) or individually (sequential KP) in ED attendees. Identify any clinical or demographic variables associated with procedural memory. METHODS: This was a convenience sample of 563 patients who received KP PSA as per the departmental protocol. A standardised script was used to assess for procedural memory. This was categorised as 'any' and 'unpleasant' prior to discharge (immediate memory) and at telephone follow up (delayed memory). RESULTS: A total of 318 patients had sequential KP and 249 premixed 1:1 ketofol. For sequential KP compared to ketofol, the proportion reporting any memory was as follows: 3.5% versus 3.3% immediate, 4.4% versus 5.5% delayed and 5.4% versus 7.4% for the sum of these. For unpleasant memory, the proportion was as follows: 1.6% versus 2.9% immediate, 1.7% versus 4.7% delayed and 2.2% versus 6.9% all unpleasant memory (odds ratio [OR] 3.3, 95% confidence interval [CI] 1.4 8.1). Memory was associated with male sex (OR 4, 95% CI 1.5-10.5), opiates (OR 3, 95% CI 1.7-7.5), a Wisconsin Sedation Scale score >=3 (moderate sedation) (OR 4.3, 95% CI 1.1-18.2) and propofol dose <0.75 mg/kg compared to >0.75 mg/kg (13% versus 3%) (OR 6, 95% CI 1.7-21). The ketofol group had 5% (95% CI 0.1-10) more respiratory events requiring intervention. CONCLUSIONS: Procedural memory was uncommon for both mix types; however, a greater proportion of the premixed ketofol group had unpleasant memory. Associations with sex, opiates, moderate sedation and propofol dose were identified, and respiratory adverse events were more common in the premixed ketofol group. PMID- 29212134 TI - Association between attention bias to threat and anxiety symptoms in children and adolescents. AB - BACKGROUND: Considerable research links threat-related attention biases to anxiety symptoms in adults, whereas extant findings on threat biases in youth are limited and mixed. Inconsistent findings may arise due to substantial methodological variability and limited sample sizes, emphasizing the need for systematic research on large samples. The aim of this report is to examine the association between threat bias and pediatric anxiety symptoms using standardized measures in a large, international, multi-site youth sample. METHODS: A total of 1,291 children and adolescents from seven research sites worldwide completed standardized attention bias assessment task (dot-probe task) and child anxiety symptoms measure (Screen for Child Anxiety Related Emotional Disorders). Using a dimensional approach to symptomatology, we conducted regression analyses predicting overall, and disorder-specific, anxiety symptoms severity, based on threat bias scores. RESULTS: Threat bias correlated positively with overall anxiety symptoms severity (beta = 0.078, P = .004). Furthermore, threat bias was positively associated specifically with social anxiety (beta = 0.072, P = .008) and school phobia (beta = 0.076, P = .006) symptoms severity, but not with panic, generalized anxiety, or separation anxiety symptoms. These associations were not moderated by age or gender. CONCLUSIONS: These findings indicate associations between threat bias and pediatric anxiety symptoms, and suggest that vigilance to external threats manifests more prominently in symptoms of social anxiety and school phobia, regardless of age and gender. These findings point to the role of attention bias to threat in anxiety, with implications for translational clinical research. The significance of applying standardized methods in multi-site collaborations for overcoming challenges inherent to clinical research is discussed. PMID- 29212136 TI - Explosive detection using a novel dielectric barrier discharge ionisation source for mass spectrometry. AB - The detection of explosives is of great importance, as is the need for sensitive, reliable techniques that require little or no sample preparation and short run times for high throughput analysis. In this work, a novel ionisation source is presented based on a dielectric barrier discharge (DBD). This not only affects desorption and ionisation but also forms an ionic wind, providing mass transportation of ions towards the mass spectrometer. Furthermore, the design incorporates 2 asymmetric alumina sheets, each containing 3 DBDs, so that a large surface area can be analysed. The DBD operates in ambient air, overcoming the limitation of other plasma-based techniques which typically analyse smaller surface areas and require solvents or gases. A range of explosives across 4 different functional groups was analysed using the DBD with low limits of detection for cyclotrimethylene trinitramine (RDX) (100 pg), pentaerythritol trinitrate (PETN) (100 pg), hexamethylene triperoxide diamide (HMTD) (1 ng), and trinitrotoluene (TNT) (5 ng). Detection was achieved without any sample preparation or the addition of reagents to facilitate adduct formation. PMID- 29212135 TI - What is the effect on comorbid personality disorder of brief panic-focused psychotherapy in patients with panic disorder? AB - BACKGROUND: No studies of psychotherapies for panic disorder (PD) have examined effects on comorbid personality disorders (PersD), yet half such patients have a PersD. METHODS: In a randomized trial for PD with and without agoraphobia comparing Cognitive-Behavioral Therapy (CBT) and Panic-Focused Psychodynamic Psychotherapy (PFPP), PersD was assessed pre-to-post treatment with the Structured Clinical Interview for the Diagnosis of Axis-II Disorders (SCID-II). For patients completing therapy (n = 118, 54 with PersD), covariance between panic and SCID-II criteria improvements was analyzed. SCID-II diagnostic remission and recovery were evaluated. Comparative efficacy of PFPP versus CBT for improving PersD was analyzed both for the average patient, and as a function of PersD severity. RESULTS: 37 and 17% of PersD patients experienced diagnostic PersD remission and recovery, respectively. Larger reductions in PersD were related to more panic improvement, with a modest effect size (r = 0.28). Although there was no difference between treatments in their ability to improve PersD for the average patient (d = 0.01), patients meeting more PersD criteria did better in PFPP compared to CBT (P = .007), with PFPP being significantly superior at 11 criteria and above (d = 0.66; 3 more criteria lost). CONCLUSIONS: PersD presenting in the context of primary PD rarely resolves during psychotherapies focused on PD, and change in PersD only moderately tracks panic improvements, indicating non-overlap of the constructs. Patients receiving panic-focused psychotherapies may require additional treatment for their PersD. PFPP may be superior at improving severe PersD, but replication of this finding is required. PMID- 29212138 TI - Direction-Of-Arrival Estimation and Tracking Based on a Sequential Implementation of C-SPICE with an Off-Grid Model. AB - This paper focuses on the problem of estimating and tracking time-varying direction-of-arrivals (DoAs) with an antenna array. A sequential DoA estimation method is proposed by extending the capon and sparse iterative covariance-based estimation (C-SPICE) method, which is an iterative off-grid method for estimating constant DoAs. Then, a moving average initialization technique is introduced such that the spatial spectrum information estimated in this snapshot can be utilized in the next one. In uniform linear arrays (ULAs), we replace the uniform grid in direction domain with that in a "frequency" domain, to improve estimation accuracy without additional complexity in practical applications. The validity and efficiency of the proposed methods are demonstrated through numerical experiments. PMID- 29212137 TI - Review article: Idle 'just-in-case' peripheral intravenous cannulas in the emergency department: Is something wrong? AB - Peripheral intravenous cannula (PIVC) placement is often an essential emergency medicine precursor to lifesaving treatment, but it is not harmless. Patients frequently and without proper consideration of the consequences receive a 'just in-case' PIVCs as part of their assessment and admission, which, in a not insignificant number of patients, remains unused or idle in situ. We reviewed the literature and performed a thematic analysis of data collated from 21 articles published in the past 24 years regarding redundant PIVCs. The following five common themes emerged: heterogeneous prevalence data on post-insertion PIVC usage, preventable intravascular complications, financial burden, loss of time and a culture of over-investigating. The prevalence of PIVC insertions and idle PIVCs was heterogeneous among these publications; the median ED idle PIVC prevalence value was 32.4%. This practice is associated with compromised patient safety, squandered finances and misdirected practitioner time. Cultures of convenience and shortfalls in PIVC-related education facilitate the prevalence of idle PIVCs. PMID- 29212140 TI - Effective models for antimetastatic therapies. PMID- 29212139 TI - Surface Plasmon Resonance Sensors on Raman and Fluorescence Spectroscopy. AB - The performance of chemical reactions has been enhanced immensely with surface plasmon resonance (SPR)-based sensors. In this review, the principle and application of SPR sensors are introduced and summarized thoroughly. We introduce the mechanism of the SPR sensors and present a thorough summary about the optical design, including the substrate and excitation modes of the surface plasmons. Additionally, the applications based on SPR sensors are described by the Raman and fluorescence spectroscopy in plasmon-driven surface catalytic reactions and the measurement of refractive index sensing, especially. PMID- 29212141 TI - Cytomegalovirus pulls strings behind NK cells. PMID- 29212142 TI - A guilt-by-association mutation network in LGL leukemia. PMID- 29212143 TI - Targeting cistrome and dysregulated transcriptome of post-MPN sAML. PMID- 29212144 TI - Microbiome genetics underpins chemotherapy. PMID- 29212145 TI - Targeting constitutive NF-kappaB specifically in tumor cells. PMID- 29212146 TI - Radiotherapy: the key to immunotherapy ignition? PMID- 29212147 TI - Blinatumomab in Ph+ B-ALL: present and perspectives. PMID- 29212148 TI - Microneedle patch for immunization of immunocompromised hosts. PMID- 29212149 TI - The methylated way to translation. PMID- 29212150 TI - Combining enzalutamide with PARP inhibitors: Pharmaceutically induced BRCAness. PMID- 29212151 TI - DNA non-homologous end-joining enters the resection arena. PMID- 29212152 TI - PRPF8 is important for BRCA1-mediated homologous recombination. AB - Disruption of RNA splicing causes genome instability, which could contribute to cancer etiology. Furthermore, RNA splicing is an emerging anti-cancer target. Thus, we have evaluated the influence of the spliceosome factor PRPF8 and the splicing inhibitor Pladienolide B (PlaB) on homologous recombination (HR). We find that PRPF8 depletion and PlaB treatment cause a specific defect in homology directed repair (HDR), and single strand annealing (SSA), which share end resection as a common intermediate, and BRCA1 as a required factor. Furthermore, PRPF8 depletion and PlaB treatment cause reduced end resection detected as chromatin-bound RPA, BRCA1 foci in response to damage, and histone acetylation marks that are associated with BRCA1-mediated HR. We also identified distinctions between PlaB and PRPF8 depletion, in that PlaB also reduces 53BP1 foci, and BRCA1 expression. Furthermore loss of 53BP1, which rescues SSA in BRCA1 depleted cells, and partially rescues SSA in PRPF8 depleted cells, has no effect on SSA in PlaB treated cells. Finally, while PRPF8 depletion has no obvious effect on the integrity of interchromatin granules, PlaB disrupts these structures. These findings indicate that PRPF8 is important for BRCA1-mediated HR, whereas PlaB also has a more general effect on the DNA damage response and nuclear organization. PMID- 29212154 TI - Detection of susceptibility loci on APOA5 and COLEC12 associated with metabolic syndrome using a genome-wide association study in a Taiwanese population. AB - Background: Although the association of single nucleotide polymorphisms (SNPs) with metabolic syndrome (MetS) has been reported in various populations in several genome-wide association studies (GWAS), the data is not conclusive. In this GWAS study, we assessed whether SNPs are associated with MetS and its individual components independently and/or through complex interactions in a Taiwanese population. Methods: A total of 10,300 Taiwanese subjects were assessed in this study. Metabolic traits such as waist circumference, triglyceride, high density lipoprotein (HDL) cholesterol, systolic and diastolic blood pressure, and fasting glucose were measured. Results: Our data showed an association of MetS at the genome-wide significance level (P < 8.6 x 10-8) with two SNPs, including the rs662799 SNP in the apolipoprotein A5 (APOA5) gene and the rs16944558 SNP in the collectin subfamily member 12 (COLEC12) gene. Moreover, we identified the effect of APOA5 rs662799 on triglyceride and HDL, the effect of rs1106475 in the actin filament associated protein 1 like 2 (AFAP1L2) gene on systolic blood pressure, and the effect of rs17667932 in the mediator complex subunit 30 (MED30) gene on fasting glucose. Additionally, we found that an interaction between the APOA5 rs662799 and COLEC12 rs16944558 SNPs influenced MetS, high triglyceride, and low HDL. Conclusions: Our study indicates that the APOA5 and COLEC12 genes may contribute to the risk of MetS and its individual components independently as well as through gene-gene interactions. PMID- 29212153 TI - Age-related modulation of plasmatic beta-Galactosidase activity in healthy subjects and in patients affected by T2DM. AB - beta-Galactosidase (beta-Gal) activity has been the most extensively utilized biomarker for the detection of cellular senescence. It can be measured also in plasma, and few recent evidence showed an altered plasmatic beta-Gal activity in patients affected by some age-related diseases (ARDs). Since T2DM is one of the most common ARDs, we aimed to investigate if plasmatic beta-Gal activity is modulated in T2DM patients and if "age" could affect such modulation. To gain mechanistic insights we paralleled this investigation with the evaluation of beta Gal activity in young and senescent endothelial cells (HUVECs) cultured in normo- and hyper-glycaemic environment. A significant age-related increase of plasmatic beta-Gal activity was observed in healthy subjects (n. 230; 55-87 years), whereas the enzymatic activity was significantly reduced in T2DM patients (n. 230; 55-96 years) compared to healthy subjects. beta-Gal activity detectable both in cells and in the culture medium was significantly increased in senescent cells compared to the younger ones, both under normo- and hyper-glycaemic condition. However, the hyper-glycaemic condition was not associated with an increased beta-Gal activity in milieu compared to normo-glycaemic condition. Overall our data reinforce the notion that plasmatic beta-Gal activity could be a systemic biomarker of aging, whereas T2DM patients are characterized by a different age releated trend. PMID- 29212155 TI - Small molecule-mediated induction of miR-9 suppressed vascular smooth muscle cell proliferation and neointima formation after balloon injury. AB - Pathologic proliferation and migration of vascular smooth muscle cells (VSMCs) exacerbate cardiovascular disease. MicroRNAs (miRNAs), as endogenous inhibitors of protein synthesis, are expected to modulate pathologic proliferation of VSMCs. Here we report that both platelet-derived growth factor receptor (PDGFR) targeting miR-9 and a small molecule that increases miR-9 can inhibit the serum induced proliferation of VSMCs. First, based on miRNA-target prediction databases and empirical data, we have selected miR-9 as a potent anti-proliferative miRNA in VSMCs. Further examination indicated that miR-9 directly targets PDGFR disrupting downstream signaling cascades, and this resulted in inhibition of VSMC proliferation and migration. Exogenous delivery of miR-9 inhibited VSMC proliferation in vitro, and a small molecule that increased miR-9 expression also inhibited neointima formation following balloon injury in vivo. We provide evidence of miRNA-mediated modulation of VSMC proliferation and further demonstrate that small molecule-mediated regulation of miRNA targeting a key regulator of VSMC proliferation is a viable therapeutic strategy for treating vascular disease involving pathologic VSMC proliferation such as restenosis. PMID- 29212156 TI - Effects of cerebral perfusion pressure on regional cerebral blood flow in dogs with acute epidural hematoma: quantitative evaluation with contrast-enhanced ultrasound. AB - To discuss the relationship between the regional cerebral blood flow (rCBF) and cerebral perfusion pressure (CPP) and the effect of CPP on rCBF in different spaces in an experimental animal model. As the ICP increased, the CPP and rCBF (A * beta value measured by CEU) decreased to varying degrees. The rCBF1 and rCBF2 were well correlated with the CPP. At the same CPP, rCBF1 decreased significantly than the level of rCBF2 (p < 0.01). Six healthy cross-breed dogs, both males and females, weighing 18.3 +/- 1.6 kg, were selected to establish models of increased intracranial pressure (ICP) via the installation of an epidural latex sacculus. The calculated CPP was in accordance with the ICP through the formula CPP = MAP - ICP, and contrast-enhanced ultrasound (CEU) was used to instantly measure the rCBF 1 and 2 cm around the sacculus edge. The relationship between rCBF 1 cm (rCBF1) and 2 cm (rCBF2) around the sacculus edge and the CPP was analyzed. As the ICP increased, the CPP and rCBF both decreased. The rCBF and the CPP had a linear relationship, but the perfusion pressure did not necessarily determine all parts of the rCBF. The rCBF was different in different spaces: the farther away from the injured site, the smaller the effect on the rCBF. PMID- 29212157 TI - PKA activation and endothelial claudin-5 breakdown in the schizophrenic prefrontal cortex. AB - Schizophrenia is thought to be caused by a combination of genetic and environmental factors; however, its pathogenesis remains largely unknown. Here, we focus on the endothelial tight-junction protein claudin-5 (CLDN5), because the CLDN5 gene is mapped to the schizophrenia-associated 22q11.2 deletion region, and a single nucleotide polymorphism in the CLDN5 locus is also linked to schizophrenia. We show, by RT-qPCR and immunohistochemistry, that the expressions of CLDN5 mRNA and protein are significantly increased and decreased, respectively, in the schizophrenic prefrontal cortex (PFC) compared with control PFC. These changes were not observed in the schizophrenic visual cortex (VC), and neither the density nor diameter of the CD34-positive microvessels was altered in the schizophrenic PFC or VC. Interestingly, protein kinase A (PKA) was activated in the microvascular and perivascular regions of the schizophrenic PFC, and the pPKA-positive microvascular endothelial cells occasionally exhibited focal loss of CLND5. Since we previously demonstrated that cAMP induced CLDN5 mRNA expression and size-selective loosening of the endothelial barrier in PKA independent and -dependent manners, respectively, a similar mechanism could contribute to the discrepancy between mRNA and protein expression of CLDN5 in the schizophrenic PFC. Taken collectively, these findings provide novel insights into the pathophysiology of schizophrenia. PMID- 29212158 TI - RNAscope in situ hybridization confirms mRNA integrity in formalin-fixed, paraffin-embedded cancer tissue samples. AB - Immunohistochemistry remains the overwhelming technique of choice for test biomarker evaluation in both clinical or research settings when using formalin fixed, paraffin embedded tissue sections. However, validations can be complex with significant issues about specificity, sensitivity and reproducibility. The vast array of commercially available antibodies from many vendors may also lead to non-standard approaches which are difficult to cross-reference. In contrast mRNA detection, by in situ hybridization (ISH) with sequence specific probes, offers a realistic alternative, with less validation steps and more stringent and reproducible assessment criteria. In the present study mRNA ISH was evaluated in prospectively and retrospectively collected FFPE samples within a cancer biobank setting. Three positive control probes, POLR2A, PPIB and UBC were applied to FFPE sections from a range of tumour types in FFPE whole-face (prospective collection) or TMA (retrospective collection) formats and evaluated semi-quantitatively and by image analysis. Results indicate that mRNA can be robustly evaluated by ISH in prospectively and retrospectively collected tissue samples. Furthermore, for 2 important test biomarkers, PD-L1 and c-MET, we show that mRNA ISH is a technology that can be applied with confidence in the majority of tissue samples because there are quantifiable levels of control probes indicating overall mRNA integrity. PMID- 29212159 TI - LEF1, TFE3, and AR are putative diagnostic markers of solid pseudopapillary neoplasms. AB - The diagnosis of solid pseudopapillary neoplasms (SPNs) is challenging because some SPNs share many similar morphological and immunohistochemical features with other pancreatic neoplasms. In this study, we investigated potential diagnostic markers of SPN. Based on the SPN-specific upregulated genes from a previous DNA microarray and proteome study, we selected six immunohistochemical markers [beta catenin, androgen receptor (AR), lymphoid enhancer-binding factor 1 (LEF1), transcription factor for immunoglobulin heavy-chain enhancer 3 (TFE3), fused in sarcoma (FUS), and WNT inhibitory factor 1 (WIF-1)]. We also evaluated the Ki-67 proliferative index to investigate its associations with prognosis. To validate these markers, we studied 91 SPNs as well as 51 pancreatic ductal carcinomas (PDC) and 48 neuroendocrine tumors (NET) as controls. We found frequent and diffuse nuclear expressions of beta-catenin (98.9%), AR (81.3%), LEF1 (93.4%), TFE3 (74.7%), FUS (84.6%), and cytoplasmic expression of WIF-1 (96.7%) in SPNs. In contrast, PDCs and NETs showed no expression. (P < 0.001). When beta-catenin, LEF1, and TFE3 staining were combined, the sensitivity and specificity were 100% and 91.9%, respectively. Four (4.4%) SPNs showed distant metastasis and these tumors were associated with a relatively high Ki-67 proliferative index (>= 5%; P = 0.013). We identified LEF1, TFE3, and AR as putative diagnostic markers of SPN, auxiliary to beta-catenin. Incorporated into an immunohistochemical panel, these markers could be beneficial to distinguish SPN from PDC and NET. In addition, we suggest that the Ki-67 proliferative index can be a predictive marker of metastasis in SPNs. PMID- 29212160 TI - Hepatic stroma-educated regulatory DCs suppress CD8+ T cell proliferation in mice. AB - Liver dendritic cells (DCs) display immunosuppressive activities and inhibit the CD4+ T cell response. The present study assessed whether and how liver DCs suppress CD8+ T cells. We found that bone marrow-derived mature DCs incubated with liver stromal cells were characterized by a longer life span, reduced CD11c, IA/IE, CD80, CD86, and CD40 expression, and increased CD11b expression. These unique liver stromal cell-educated mature DCs (LSed-DCs) stimulated CD8+ T cells to express CD25 and CD69, but inhibited their proliferation. CD8+ T cell suppression depended on soluble factors released by LSed-DCs, but not cell-cell contact. Compared with mature DCs, LSed-DCs produced more nitric oxide and IL-10. Addition of a nitric oxide synthase inhibitor, PBIT, but not an IL-10-blocking mAb, reversed LSed-DC inhibition of CD8+ T cell proliferation. We also found that LSed-DCs reduced CD8+ T cell-mediated liver damage in a mouse model of autoimmune hepatitis. These results demonstrate that the liver stroma induces mature DCs to differentiate into regulatory DCs that suppress CD8+ T cell proliferation, and thus contribute to liver tolerance. PMID- 29212161 TI - Colonization, mortality, and host cytokines response to enterohemorrhagic Escherichia coli in rabbits. AB - The major virulence factor of enterohemorrhagic Escherichia coli in infections is its ability to cause attaching and effacing lesions in enterocytes, as well as to produce Shiga toxins. To clarify the pathogenic mechanism and host innate immune responses of enterohemorrhagic Escherichia coli in rabbits, experimental infections with TS and MY strains were conducted. Among the results, although the MY strain's pathogenicity was stronger than the TS, typical symptoms were observed in both groups of bacterial-infected rabbits. Pathological changes in the heart, liver, and spleen of rabbits infected with the MY strain were more severe than those infected with the TS strain, pro-inflammatory cytokines IL 1beta, IL-6, IL-8, IFN-gamma, and TNF-alpha were induced by both strains, and alpha- and beta-defensin were significantly upregulated at 3 d postinfection. Moreover, in the spleen, the MY strain induced greater expressions of alpha- and beta-defensins than did the TS strain. However, in the liver, the TS strain induced greater expressions of alpha- and beta-defensins than did the MY strain. Most likely, different replications of the MY and TS strains in the liver and spleen induced different host immune responses. Altogether, the findings provide new insights into the occurrence and development of enterohemorrhagic Escherichia coli-mediated diseases in rabbits. PMID- 29212162 TI - Rituximab treatment in adults with refractory minimal change disease or focal segmental glomerulosclerosis. AB - Rituximab (RTX) may benefit patients with glomerular disease who suffer from focal segmental glomerular sclerosis (FSGS) or minimal change disease (MCD). Here, we have described our experience treating 6 FSGS and 9 MCD patients with steroid-dependent/refractory nephrotic syndrome (NS) with RTX. Patients received RTX (375 mg/m2) intravenously on days 1, 8, 23, and 29. During a median follow-up of 8 months (range, 3-36 months) after RTX administration, all patients achieved complete or partial remission. Relapses decreased by approximately 30-fold compared with the year preceding RTX treatment, and an 89.27% reduction in proteinuria was observed. Furthermore, RTX treatment could decrease medical costs by 76.52% compared with the costs associated with the long-term use (for 12-13 months) of steroids and immunosuppressive drugs. In conclusion, RTX treatment was safe and effective for patients with refractory FSGS or MCD. PMID- 29212163 TI - Younger age at surgery and lesser seizure frequency as prognostic factors for favorable seizure-related outcome after glioma resection in adults. AB - The identification of variables predictive of good seizure control following surgical tumor resection in adult glioma patients with tumor-related epilepsy would greatly benefit treatment decisions. Therefore, we analyzed the clinical data of adult patients with tumor-related epilepsy who underwent tumor resection at our institute between November 2011 and August 2013. Patients were divided into seizure-free (Engel Ia) and unfavorable outcome groups (Engel Ib-IV), and potential prognostic factors were analyzed. Of 90 patients, 61 (68%) had a favorable outcome at an average of 3 years after surgery. Our analyses indicated that younger age at surgery (P=0.048) and rare seizure frequency (P=0.006) were associated with significantly more favorable postoperative seizure-related outcomes. In conclusion, younger age at surgery and lesser seizure frequency were independent predictors of favorable epileptic seizure control after glioma resection in adults. Thus, early surgical resection is necessary for achieving favorable seizure outcome. PMID- 29212164 TI - Targeted sequencing of established and candidate colorectal cancer genes in the Colon Cancer Family Registry Cohort. AB - The underlying genetic cause of colorectal cancer (CRC) can be identified for 5 10% of all cases, while at least 20% of CRC cases are thought to be due to inherited genetic factors. Screening for highly penetrant mutations in genes associated with Mendelian cancer syndromes using next-generation sequencing (NGS) can be prohibitively expensive for studies requiring large samples sizes. The aim of the study was to identify rare single nucleotide variants and small indels in 40 established or candidate CRC susceptibility genes in 1,046 familial CRC cases (including both MSS and MSI-H tumor subtypes) and 1,006 unrelated controls from the Colon Cancer Family Registry Cohort using a robust and cost-effective DNA pooling NGS strategy. We identified 264 variants in 38 genes that were observed only in cases, comprising either very rare (minor allele frequency <0.001) or not previously reported (n=90, 34%) in reference databases, including six stop-gain, three frameshift, and 255 non-synonymous variants predicted to be damaging. We found novel germline mutations in established CRC genes MLH1, APC, and POLE, and likely pathogenic variants in cancer susceptibility genes BAP1, CDH1, CHEK2, ENG, and MSH3. For the candidate CRC genes, we identified likely pathogenic variants in the helicase domain of POLQ and in the LRIG1, SH2B3, and NOS1 genes and present their clinicopathological characteristics. Using a DNA pooling NGS strategy, we identified novel germline mutations in established CRC susceptibility genes in familial CRC cases. Further studies are required to support the role of POLQ, LRIG1, SH2B3 and NOS1 as CRC susceptibility genes. PMID- 29212165 TI - Assessment of pancreatic neuroendocrine tumor cytologic genotype diversity to guide personalized medicine using a custom gastroenteropancreatic next-generation sequencing panel. AB - Background: Recent genetic studies have highlighted that alterations in MEN1, chromatin remodeling genes, and mammalian target of rapamycin (mTOR) pathway genes are the most frequent molecular events identified in pancreas neuroendocrine tumors (pNETs). The prognostic or predictive impact of these biomarkers and other less frequently observed aberrations, i.e. PTEN, TSC2 and PIK3CA are relatively unknown. The aims of this targeted next generation sequencing (NGS) study were to assess tumor cytology genotype diversity, to survey for potential adverse prognostic biomarkers and the prevalence of mTOR pathway variants. Methods: Using a custom 15 gene gastroenteropancreatic neuroendocrine tumor panel, targeted NGS of archived (2002-2013) primary pNETs (n=90) and pNET liver metastasis (n=32) cytology smears was performed. Results: The genetic variant landscape revealed that 21% and 28% of primary and metastatic liver pNETs harbored >= 2 variants per tumor, respectively. The most prevalent primary tumor variants were in the MEN1 (42%), DAXX (11%), ATRX (10%), and TSC2 (8%) genes. Patients harboring aberrations in TSC2, KRAS or TP53 were more likely to experience disease progression and reduced overall survival, when compared to individuals who were wild-type. The prevalence of these potential prognostic biomarkers in early disease was observed in 3.3% of the primary tumor cohort. mTOR pathway variants including alterations in PTEN, TSC2 and PIK3CA were identified in 10% and 12.5% of primary tumors and pNET liver metastasis, respectively. Conclusion: Cytology based tumor genotyping revealed a broad spectrum of genetic variants including possible adverse prognostic biomarkers, reflective of an aggressive phenotype. It also demonstrated the prevalence of potential predictive biomarkers for mTOR pathway inhibitor sensitivity. PMID- 29212166 TI - Dysregulated lncRNA-UCA1 contributes to the progression of gastric cancer through regulation of the PI3K-Akt-mTOR signaling pathway. AB - The long non-coding RNA (lncRNA) urothelial carcinoma-associated 1 (UCA1) has been recently shown to be dysregulated during disease occurrence and to play an important role in the progression of several cancers. However, the biological role and potential regulation mechanism of UCA1 in the carcinogenesis of gastric cancer remain unclear. In the present study, we found that UCA1 was aberrantly upregulated in gastric cancer tissues and gastric cancer cell lines, and was associated with TNM stage and metastasis. UCA1 silencing significantly inhibited gastric cancer BGC-823 cell proliferation and increased its apoptosis. We also found that UCA1 played an important role in the migration and invasion of gastric cancer cells in vitro and in vivo. The molecular mechanism of UCA1 suggested that UCA1 regulates the PI3K-Akt-mTOR signaling proteins and their downstream mediators, to alter gastric cancer progression in vitro and in vivo. Collectively, the results showed a pivotal role of UCA1 in the tumorigenesis of gastric cancer. In addition, the study characterized a novel lncRNA-mRNA regulatory network, which may lead to a better understanding of the pathogenesis of gastric cancer and assist in lncRNA-directed diagnosis and therapy for this malignancy. PMID- 29212167 TI - A nomogram to predict HER2 status in breast cancer patients with HER2-borderline disease as determined via immunohistochemistry. AB - This study aimed to develop a nomogram to predict fluorescence in situ hybridization (FISH) assay results for HER2-borderline breast cancer as determined via immunohistochemistry (IHC) among patients in China. We reviewed a database of breast cancer patients diagnosed between January 2007 and April 2013 at our institutions. We used logistic regression to develop a nomogram and we used receiver operating characteristic curve analysis and calibration plots to validate our nomogram. In total, 1138, 301 and 344 patients had IHC-determined HER2-negative, HER2-borderline and HER2-positive disease, respectively. Within the training cohort, univariate and multivariate analyses suggested that estrogen receptor (ER) status, progesterone receptor (PR) status and tumor grade were significantly associated with HER2 status (P<0.01). A nomogram was developed and the AUCs for the training and validation cohorts were 0.795 and 0.749, respectively. The calibration plots suggested that the model was well calibrated. This new nomogram can be used to predict HER2 status in HER2-borderline breast cancer patients and will be particularly helpful to resource-limited countries. PMID- 29212168 TI - Nrf2 induces cisplatin resistance via suppressing the iron export related gene SLC40A1 in ovarian cancer cells. AB - Induction of Nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2) has been demonstrated to be involved in cisplatin resistance in ovarian cancer. Solute carrier family 40 member 1 (SLC40A1) is an iron exporter, which possesses many putative Nrf2 binding sites. Here we hypothesize that it may be a possible downstream gene of Nrf2. Elevated level of Nrf2 and reduced level of SLC40A1 were found in cisplatin-resistant ovarian cancer cells as compared with cisplatin sensitive ovarian cancer cells. Exogenous knockdown of Nrf2 leaded to increased expression of SLC40A1. While overexpression of Nrf2 resulted in decreased expression of SLC40A1. Chromatin immunoprecipitation (ChIP) and dual-luciferase reporter assay revealed that Nrf2 inhibited the transcription of SLC40A1. Overexpression of SLC40A1 was able to reverse cisplatin resistance induced by Nrf2, while knockdown of SLC40A1 restored cisplatin resistance and increased iron concentration. Desferal, an iron chelator, was found to overcome cisplatin resistance through iron deprivation. Its function was boosted when combined with brusatol, an Nrf2 inhibitor. Taken together, this study first demonstrated that Nrf2 could transcriptionally suppress the expression of SLC40A1. Iron overload induced by SLC40A1 resulted in cisplatin resistance in ovarian cancer. Targeting iron metabolism may be a new therapeutic strategy to reverse drug resistance in ovarian cancer treatment. PMID- 29212169 TI - CCCTC-binding factor inhibits breast cancer cell proliferation and metastasis via inactivation of the nuclear factor-kappaB pathway. AB - CCCTC-binding factor (CTCF) is an important epigenetic regulator implicated in multiple cellular processes, including growth, proliferation, differentiation, and apoptosis. Although CTCF deletion or mutation has been associated with human breast cancer, the role of CTCF in breast cancer is questionable. We investigated the biological functions of CTCF in breast cancer and the underlying mechanism. The results showed that CTCF expression in human breast cancer cells and tissues was significantly lower than that in normal breast cells and tissues. In addition, CTCF expression correlated significantly with cancer stage (P = 0.043) and pathological differentiation (P = 0.029). Furthermore, CTCF overexpression resulted in the inhibition of proliferation, migration, and invasion, while CTCF knockdown induced these processes in breast cancer cells. Transcriptome analysis and further experimental confirmation in MDA-MD-231 cells revealed that forced overexpression of CTCF might attenuate the DNA-binding ability of nuclear factor kappaB (NF-kappaB) p65 subunit and inhibit activation of NF-kappaB and its target pro-oncogenes (tumor necrosis factor alpha-induced protein 3 [TNFAIP3]) and genes for growth-related proteins (early growth response protein 1 [EGR1] and growth arrest and DNA-damage-inducible alpha [GADD45a]). The present study provides a new insight into the tumor suppressor roles of CTCF in breast cancer development and suggests that the CTCF/NF-kappaB pathway is a potential target for breast cancer therapy. PMID- 29212170 TI - Leptin receptor signaling via Janus kinase 2/Signal transducer and activator of transcription 3 impacts on ovarian cancer cell phenotypes. AB - Ovarian cancer is a leading cause of cancer mortality in women world-wide. Considerable progress has been made to characterize the different subtypes of ovarian cancer, but specific therapies remain limited and prognosis poor. Cytokine signaling via the interleukin-6 receptor (IL-6R) family and related receptors has been implicated in a number of cancers, including those with an ovarian origin. The leptin receptor (LEPR) is structurally related to these receptors and utilizes similar downstream pathways. LEPR has diverse roles in metabolism, appetite and bone formation with obesity linked to both elevated levels of leptin and increased cancer incidence. This study investigated a potential role for LEPR signaling in ovarian cancer. Leptin stimulation led to increased proliferation, survival and migration of LEPR-expressing ovarian cancer cell lines, with the effects shown to be mediated by the downstream Janus kinase 2/Signal transducer and activator of transcription 3 (JAK2/STAT3) pathway. A significant correlation was identified between high co-expression of leptin and LEPR and decreased patient survival. This study collectively suggests that leptin/LEPR signaling via JAK2/STAT3 has the potential to significantly impact on pathogenesis in a subset of ovarian cancer patients who may benefit from strategies that dampen this pathway. PMID- 29212171 TI - Clinical outcomes and prognostic factors of stereotactic body radiation therapy for intrahepatic cholangiocarcinoma. AB - Stereotactic body radiation therapy (SBRT) has been an emerging non-invasive treatment modality for patients with intrahepatic cholangiocarcinoma (ICC) when surgical treatment cannot be applied. The CyberKnife(r) is a SBRT system that allows for real-time tracking of the tumor. The purpose of this study was to evaluate the clinical outcomes and prognostic factors for ICC patients receiving this treatment. Twenty-eight patients with ICC were enrolled in the present study. The median prescription dose was 45 Gy (range, 36-54 Gy), fractionated 3 to 5 times with a 70% to 92% isodose line. Local control, overall survival, progression-free survival and toxicity were studied. The median follow-up time was 16 months (3-42 months). Based on modified Response Evaluation and Criteria in Solid Tumors (mRECIST), response rate and disease control rate of SBRT in ICC were 46.4% (13/28) and 89.3% (25/28), respectively. Median overall survival was 15 months (95% CI, 7.22-22.78). 1- and 2-years survival rates were 57.1% and 32.1%, and 1- and 2- years Progression-free Survival rates were 50.0 % and 21.4 %. Multivariate analysis revealed that number of lesions (solitary vs. multiple nodules), CA19-9 levels (<=37 U/mL vs. 37-600/>600) and TNM stage (AJCC stage) were independent prognostic factors for ICC patients treated with SBRT. Toxicity was mostly transient and tolerable. No greater than grade 3 toxicity was observed. These results suggested that CyberKnife SBRT might be a good alternative treatment for unresectable ICC. PMID- 29212172 TI - Safflor yellow B reduces hypoxia-mediated vasoconstriction by regulating endothelial micro ribonucleic acid/nitric oxide synthase signaling. AB - Hypoxia-induced generation of vasoconstrictors reduces cerebral blood flow (CBF) while nitric oxide (NO) synthase (NOS) and microRNAs (miRNA) in endothelial cells (ECs) suppress vasoconstriction. Safflor yellow B (SYB), a natural plant compound, previously attenuated angiotensin II-mediated injury of ECs and maintained endothelial function. This study investigated the putative involvement of NOS and miRNAs in SYB-mediated resistance to hypoxia-induced vasoconstriction. In vivo, chronic hypoxia was induced in rats, and SYB was administered intravenously. In vitro, rat primary aortic ECs were cultured under oxygen and glucose deprivation. After treatment with anti-microR-199a, as well as the NOS inhibitor, N(G)-nitro-L-arginine methyl ester, SYB, or both, cell viability, NO and peroxynitrite (ONOO-) levels, NOS expression, and miRNA levels were evaluated. SYB significantly alleviated hypoxia-mediated vasoconstriction and increased CBF endothelium-dependently. SYB upregulated miR-199a, increased EC viability, decreased endothelin-1 (ET-1) levels, inhibited protein kinase C (PKC) activity, and suppressed hypoxia inducible factor-1alpha (HIF-1alpha) expression. Furthermore, the SYB-mediated reduction of inducible NOS reduced ONOO- levels. In addition, SYB downregulated miR-138 and, thereby, enhanced S100A1 and endothelial NOS activity. Hypoxia-mediated regulation of miR-138 and miR-199a inhibited endothelial NOS expression and activation, which triggered ET-1 release and vasoconstriction. Therefore, SYB treatment reduced hypoxia-induced vasoconstriction through miR-199a/endothelial NOS signaling. PMID- 29212173 TI - Comprehensive genomic sequencing detects important genetic differences between right-sided and left-sided colorectal cancer. AB - Objectives: Anti-epidermal growth factor receptor (EGFR) therapy has been found to be more effective against left-sided colorectal cancer (LCRC) than right-sided colorectal cancer (RCRC). We hypothesized that RCRC is more likely to harbor genetic alterations associated with resistance to anti-EGFR therapy and tested this using comprehensive genomic sequencing. Materials and methods: A total of 201 patients with either primary RCRC or LCRC were analyzed. We investigated tumors for genetic alterations using a 415-gene panel, which included alterations associated with resistance to anti-EGFR therapy: TK receptors (ERBB2, MET, EGFR, FGFR1, and PDGFRA), RAS pathway (KRAS, NRAS, HRAS, BRAF, and MAPK2K1), and PI3K pathway (PTEN and PIK3CA). Patients whose tumors had no alterations in these 12 genes, theoretically considered to respond to anti-EGFR therapy, were defined as "all wild-type", while remaining patients were defined as "mutant-type". Results: Fifty-six patients (28%) and 145 patients (72%) had RCRC and LCRC, respectively. Regarding genetic alterations associated with anti-EGFR therapy, only 6 of 56 patients (11%) with RCRC were "all wild-type" compared with 41 of 145 patients (28%) with LCRC (P = 0.009). Among the 49 patients who received anti-EGFR therapy, RCRC showed significantly worse progression-free survival (PFS) than LCRC (P = 0.022), and "mutant-type" RCRC showed significantly worse PFS compared with "all wild-type" LCRC (P = 0.004). Conclusions: RCRC is more likely to harbor genetic alterations associated with resistance to anti-EGFR therapy compared with LCRC. Furthermore, our data shows primary tumor sidedness is a surrogate for the non-random distribution of genetic alterations in CRC. PMID- 29212174 TI - Melatonin attenuates hypoxia-induced epithelial-mesenchymal transition and cell aggressive via Smad7/ CCL20 in glioma. AB - Tumor recurrence in gliomas is partly attributed to increased epithelial mesenchymal transition (EMT) and enhanced tumor cell dissemination in the adjacent brain parenchyma. Thus, exploring effective strategies for against EMT like changes in glioma invasion and recurrence will be important for glioma treatment. In this study, we investigated the roles of melatonin in hypoxia induced EMT suppression, and found that melatonin could significantly suppress the release of the cytokine, CCL20, from cancer cells and antagonize glioma cell metastasis and invasion under hypoxic stress in glioma cells. Furthermore, our findings show that melatonin deregulates Smad7 expression to suppress TGFbeta/Smad-mediated increase in CCL20 transcript levels and CCL20-induced EMT occurrence, suggesting a potential anti-EMT therapeutic role for melatonin in malignant transformation in gliomas. PMID- 29212175 TI - The role of established East Asian obesity-related loci on pediatric leptin levels highlights a neuronal influence on body weight regulation in Chinese children and adolescents: the BCAMS study. AB - Genome-wide association studies have identified multiple variants associated with adult obesity, mostly in European-ancestry populations. We aimed to systematically assess the contribution of key loci, which had been previously shown to be associated in East Asian adults, to childhood obesity, related adipokine profiles and metabolic traits in a Chinese pediatric population. Twelve single-nucleotide polymorphisms (SNPs) plus metabolic profiles and levels of five adipokines (leptin, adiponectin, resistin, fibroblast growth factor 21 and retinol binding protein 4) were evaluated in 3,506 Chinese children and adolescents aged 6-18. After correction for multiple comparisons, six of these SNPs were robustly associated with childhood obesity: FTO-rs1558902 (P=5.6*10-5), MC4R-rs2331841 (P=4.4*10-4), GNPDA2-rs16858082 (P = 3.4*10-4), PCSK1-rs261967 (P = 0.001), SEC16B-rs516636 (P = 0.004) and MAP2K5-rs4776970 (P = 0.004), with odds ratios ranging from 1.211 to 1.421; while ITIH4-rs2535633 and BDNF-rs2030323 yielded nominal association with the same trait (P < 0.05). Moreover, the risk alleles of six SNPs displayed significant (P < 0.004) or nominal (P < 0.05) association with leptin levels, namely at in/near PCSK1, MC4R, FTO, MAP2K5, GNPDA2 and BDNF plus their cumulative genetic score yielded stronger association with increased leptin levels (P = 6.2*10-11). Our results reveal that key obesity associated loci previously reported in Europeans, but also associated with East Asian adults, are also associated with obesity and/or metabolic quantitative traits in Chinese children. These associations coincide with six brain-expressed loci that correlate with leptin levels, thus may point to an important neuronal influence on body weight regulation in the pediatric setting. PMID- 29212176 TI - Silencing of lncRNA AFAP1-AS1 suppressed lung cancer development by regulatory mechanism in cis and trans. AB - Although the long noncoding RNA AFAP1-AS1 has been shown to be involved in various types of cancer, its involvement in lung cancer remains poorly understood. In the current study, we found that AFAP1-AS1 was substantially over expressed in lung cancer tissues and cell lines. In addition, AFAP1-AS1 expression level was proven to be associated with the malignant features of lung cancer. Knockdown of AFAP1-AS1 significantly suppressed cell proliferation by increasing cell apoptosis and G0/G1 phase retardation of cell cycle in lung cancer cells. Furthermore, AFAP1-AS1 knockdown could suppress tumor growth of lung cancer in BALB/c nude mice. We also identified that AFAP1-AS1 silencing could influence the expression of AFAP1 and KRT1 on mRNA and protein level by cis and trans regulatory mechanism. Moreover, the oncogenic activities of AFAP1-AS1 on cell proliferation are partially mediated by KRT1. In summary, these findings demonstrate that AFAP1-AS1 plays an essential role in promoting lung cancer development in vitro and vivo. It indicated that AFAP1-AS1 is a promising prognostic predictor for patients with lung cancer. PMID- 29212177 TI - Differences in brain gray matter volume in patients with Crohn's disease with and without abdominal pain. AB - Increasing evidence indicates that abnormal pain processing is present in the central nervous system of patients with Crohn's disease (CD). The purposes of this study were to assess changes in gray matter (GM) volumes in CD patients in remission and to correlate structural changes in the brain with abdominal pain. We used a 3.0 T magnetic resonance scanner to examine the GM structures in 21 CD patients with abdominal pain, 26 CD patients without abdominal pain, and 30 healthy control subjects (HCs). Voxel-based morphometric analyses were used to assess the brain GM volumes. Patients with abdominal pain exhibited higher CD activity index and lower inflammatory bowel disease questionnaire scores than those of the patients without abdominal pain. Compare to HCs and to patients without abdominal pain, patients with abdominal pain exhibited lower GM volumes in the insula and anterior cingulate cortex (ACC); whereas compare to HCs and to patients with abdominal pain, the patients without abdominal pain exhibited higher GM volumes in the hippocampal and parahippocampal cortex. The GM volumes in the insula and ACC were significantly negatively correlated with daily pain scores. These results suggest that differences exist in the brain GM volume between CD patients in remission with and without abdominal pain. The negative correlation between the GM volumes in the insula and ACC and the presence and severity of abdominal pain in CD suggests these structures are closely related to visceral pain processing. PMID- 29212178 TI - A retrospective comparative study of progression-free survival and overall survival between metachronous and synchronous metastatic renal cell carcinoma in intermediate- or poor-risk patients treated with VEGF-targeted therapy. AB - Introduction: The aim of this study was to compare progression-free survival (PFS) and overall survival (OS) between metachronous and synchronous metastatic renal cell carcinomas treated with VEGF-targeted therapy. Methods: Between 2005 and 2014, 93 (78.8%) intermediate- and 25 (21.2%) poor-Heng-risk patients, including 32 (27.1%) patients with metachronous and 86 (72.9%) patients with synchronous renal cell carcinoma, were enrolled retrospectively. PFS and OS values were compared according to the number of risk factors and treatment-free interval using the Kaplan-Meier method and log-rank test. The prognostic risk factors were also evaluated using a Cox proportional hazard model, with a p-value < 0.05 indicating statistical significance. Results: During a median 5.0-month treatment and 59.3-month follow-up, analysis of the PFS/OS of SM (5.2/9.6 months) and MM (9.6/20.1 months) yielded a significant difference in OS (p = 0.010). However, there was no significant difference when Heng risk groups and treatment free interval were considered (p > 0.05). There was a significant difference in PFS (hazard ratio: 1.81) and OS (hazard ratio: 2.19) with increasing number of Heng risk factors among patients with synchronous renal cell carcinoma and a treatment-free interval <1 year. Metastatic type, anemia, and neutrophilia were significant predictive factors for OS in multivariable analysis (p < 0.05). Conclusion: The metastatic type of renal cell carcinoma (synchronous or metachronous) significantly affects survival; metachronous type is associated with more favorable outcomes than synchronous type. However, after stratification according to Heng risk factors and treatment-free interval, the differences in survival between metachronous and synchronous type were insignificant. PMID- 29212179 TI - Impact of cavitron ultrasonic surgical aspirator (CUSA) and bipolar radiofrequency device (Habib-4X) based hepatectomy for hepatocellular carcinoma on tumour recurrence and disease-free survival. AB - Background: The aim of this study was to evaluate the oncological outcomes of hepatocellular carcinoma patients undergoing liver resection using cavitron ultrasonic surgical aspirator (CUSA) or radiofrequency (RF) based device Habib 4X.?. Study Design: We prospectively analyzed the data of 280 patients who underwent liver resection for hepatocellular carcinoma at our institution from 2010-2012 with follow up till August 2016. The CUSA was used in the 163 patients whilst Habib-4X in 117 patients. The end points of analysis were oncological outcomes as disease recurrence, disease-free survival (DFS) and overall survival (OS) were estimated by the Kaplan-Meier method, which has been compared with all other existing literature on the survival study. Results: Compared with CUSA the reported incidence of recurrence was significantly lower, in Habib-4X group; p < 0.01. The median DFS was significantly better in Habib-4X group than CUSA group (50.80 vs 45.87 months, p = 0.03). The median OS was better in Habib-4X group than CUSA group (60.57 vs 57.17 months, p = 0.12) though the lesser difference in OS between the groups might be explained by the use of palliative therapies as TACE, percutaneous RFA, etc. in case of recurrence. Conclusions: RF based device Habib-4X, is safe and effective device for resection of hepatocellular carcinoma, in comparison to CUSA with better oncological outcomes, i.e., significantly lesser tumour recurrence and better DFS. This could be explained on the basis of systemic and local immunomodulatory effect involving induction of kupffer cells and effector CD-8 T cells that help in minimizing postoperative complications and bring more advantageous oncological outcomes. PMID- 29212180 TI - PADI4 rs2240337 G>A polymorphism is associated with susceptibility of esophageal squamous cell carcinoma in a Chinese population. AB - Background: Esophageal cancer (EC) remains one of the major causes of cancer incidence and mortality worldwide. Genetic factors, such as single nucleotide polymorphisms (SNPs), may contribute to the carcinogenesis of EC. Methods: We conducted a hospital based case-control study to evaluate the genetic susceptibility of SNPs on the development of EC. A total of 629 esophageal squamous cell carcinoma (ESCC) cases and 686 controls were enrolled for this study. Seven PADI4 SNPs were determined by ligation detection reaction method. Results: Our findings suggested that the PADI4 rs2240337 GA/AA variants were significantly associated with decreased risk of ESCC. Haplotype PADI4 Ars2477137Crs1886302Grs11203366Grs16825533Grs2240337Ars1635564Ars1635562 and Crs2477137Trs1886302Grs11203366Ars1635564Grs2240337Crs1635564Trs1635562 polymorphism was correlated with decreased susceptibility to ESCC, while Crs2477137Trs1886302Ars11203366Ars1635564Grs2240337Ars1635564Ars1635562 was correlated with increased susceptibility of ESCC. Stratification analyses demonstrated that smoking significantly increased ESCC risk in PADI4 rs11203366 AG/AA, rs1886302 CC/CT, rs1635562 AT, rs1635564 CA and rs2477137 AC genotype. Alcohol drinking increased ESCC risk in PADI4 rs11203366 AG, rs1635562 AT, rs1635564 CA, rs2477137 AC, rs1886302 CT genotype. In younger cohort (<63 years), rs11203366 AA genotype was associated with increased risk of ESCC. PADI4 rs1886302 CC variant was associated with ESCC susceptibility in female cohort. Conclusions: Our study suggested that PADI4 rs2240337 G>A polymorphism may be correlated with individual susceptibility to ESCC. PADI4 rs11203366, rs1886302, rs1635562, rs1635564 and rs2477137 polymorphisms were implicated with altered susceptibility of ESCC based on sex, age, smoking status and alcohol consumption. However, larger studies among different ethnic populations and further experiments using genetically mutated cells or animals are warranted to verify our conclusion. PMID- 29212181 TI - Insulin-like growth factor 2 mRNA binding protein 3 (IGF2BP3) promotes lung tumorigenesis via attenuating p53 stability. AB - Insulin-like growth factor 2 mRNA binding protein 3 (IGF2BP3/IMP3/KOC), initially identified as an RNA-binding protein, is highly expressed in embryonic tissues and a variety of cancers. Previously, our group reported that IGF2BP3 may serve as a potential diagnostic marker for lung cancer. However, little is known about the function of IGF2BP3 in lung cancer development. Here we demonstrate that IGF2BP3 expression was markedly increased in lung cancer tissues compared to normal tissues at both mRNA and protein levels. Overexpression of IGF2BP3 in lung cancer cells promoted cell proliferation, tumor migration and invasion in vitro and in vivo, whereas knockdown of IGF2BP3 exhibited opposite effects. Notably IGF2BP3 was directly associated with a deubiquitinase Ubiquitin specific peptidase 10 (USP10) and attenuated its function in stabilizing p53 protein. Silencing IGF2BP3 expression in lung cancer cells consistently increased the half life and protein level of p53 and induced G0/G1 arrest. Thus, our data together demonstrate that IGF2BP3 promotes lung tumorigenesis via attenuating p53 protein stability. PMID- 29212182 TI - Oncogenic p95HER2/611CTF primes human breast epithelial cells for metabolic stress-induced down-regulation of FLIP and activation of TRAIL-R/Caspase-8 dependent apoptosis. AB - Oncogenic transformation triggers reprogramming of cell metabolism, as part of the tumorigenic process. However, metabolic reprogramming may also increase the sensitivity of transformed cells to microenvironmental stress, at the early stages of tumor development. Herein, we show that transformation of human breast epithelial cells by the p95HER2/611CTF oncogene markedly sensitizes these cells to metabolic stress induced by the simultaneous inhibition of glucose and glutamine metabolism. In p95HER2/611CTF-transformed cells, metabolic stress activates a TNF related apoptosis-inducing ligand (TRAIL)-R and caspase-8 dependent apoptotic process that requires prior down-regulation of cellular FLICE like inhibitor protein (c-FLIP) levels. Importantly, sustained mTOR activation is involved in FLIP down-regulation and apoptosis induced by metabolic stress. In vivo experiments in immunodeficient mice demonstrate a requirement for caspase-8 in restraining primary tumor growth of xenografts with p95HER2/611CTF-transformed cells. Collectively, these data define a critical role of the extrinsic pathway of apoptosis in the control of tumor initiation by microenvironmental cues. PMID- 29212183 TI - Role of IL-17 in LPS-induced acute lung injury: an in vivo study. AB - To assess the clinical significance of IL-17 in patients with sepsis-induced acute respiratory distress syndrome (ARDS) and to investigate the effects of IL 17 blocking in a mouse model of acute lung injury (ALI). Significantly increased IL-17 level was found in patients with sepsis-related ARDS compared to healthy controls, whereas significantly increased plasma IL-17 level was also observed in non-survivors compared to that in survivors. According to the data from the mouse ALI model, we found significantly increased IL-17 level in lung tissue lysates, mouse bronchoalveolar lavage fluid (mBALF) and plasma at 6, 12 and 24 h after ALI. Histological analyses revealed that reduced sign of pathological changes and lung injury score in the lungs at 48 h after IL-17 blocking antibody administration. Reduced level of proinflammatory tumor necrosis factor alpha and increased level of anti-inflammatory factor interleukin-10 were found in both mBALF and plasma. Moreover, IL-17 blocking antibody administration attenuated the expression of RORgammat and activity of PI3K-Akt pathway. Increased IL-17 was presented in patients with sepsis-induced ARDS and IL-17 may serve as a biomarker to indicate the severity of ARDS. Moreover, IL-17 antibody administration could relieve the ALI symptom by affecting RORgammat level and PI3K pathway. PMID- 29212184 TI - Cordycepin and a preparation from Cordyceps militaris inhibit malignant transformation and proliferation by decreasing EGFR and IL-17RA signaling in a murine oral cancer model. AB - Cordyceps militaris (CM) and its active ingredient cordycepin have been reported to inhibit tumor growth, but the mechanisms are not fully understood. This study used a mouse model for oral cancer and a cell line, 4NAOC-1 derived from the model to study the mechanisms. Our results show that a CM preparation (CMP) can significantly inhibit tumor development and malignant transformation in the model. In vitro data indicate that CMP and cordycepin can inhibit 4NAOC-1 cell proliferation, either anchorage-dependent or -independent. Cordycepin can also increase cell apoptosis, and decrease cell mitosis and EGFR signaling. In accordance, CMP treatment can significantly decrease the levels of ki-67 and EGFR signaling molecules in cancer tissues. We also found that the levels of IL-17A in cancer tissues of control mice were significantly increased, and CMP inhibited these levels. IL-17A can stimulate cancer cell proliferation, which can be suppressed by cordycepin. Furthermore, cordycepin can reduce the expression of IL 17RA and its downstream signaling molecules. Moreover, CMP and cordycepin can significantly decrease IL-17A production in vitro and in vivo. Finally, CMP and its ingredients can enhance tumoricidal activities with increase in IFN-gamma and TNFalpha, and decrease PD-L1 expression. In conclusion, CMP and its ingredient cordycepin can inhibit tumor growth and malignant transformation in a mouse model for oral cancer via inhibition of EGFR- and IL-17RA-signaling and enhancement of anti-tumor immunity. PMID- 29212185 TI - Hyaluronic acid enhances cell migration and invasion via the YAP1/TAZ-RHAMM axis in malignant pleural mesothelioma. AB - Most malignant mesotheliomas (MPMs) frequently show activated forms of Yes associated protein 1 (YAP1) and transcriptional co-activator with PDZ-binding motif (TAZ), which transcriptionally regulates the receptor for hyaluronic acid mediated motility (RHAMM). As RHAMM is involved in cell migration and invasion in various tumors, we speculated that hyaluronic acid (HA) in pleural fluid might affect the progression of mesothelioma by stimulating cell migration and invasion through RHAMM. The level of RHAMM expression was decreased by YAP1/TAZ knockdown, and conversely increased by forced expression of the active form of YAP1, suggesting that RHAMM was regulated by YAP1/TAZ in MPM cells. Cell migration and invasion were also decreased by YAP1/TAZ or RHAMM knockdown. Notably, HA treatment increased cell motility and invasion, and this was abolished by RHAMM knockdown, suggesting that HA may augment local progression of MPM cells via RHAMM. Furthermore, treatment with fluvastatin, which regulates RHAMM transcription by modulating YAP1/TAZ activity, decreased the motility and invasion of MPM cells. Collectively, these data suggest that HA is an "unfavorable" factor because it promotes malignancy in mesothelioma and that the YAP1/TAZ-RHAMM axis may have potential value as a therapeutic target for inhibition of disease progression in MPM. PMID- 29212186 TI - alpha7 nAChR mediated Fas demethylation contributes to prenatal nicotine exposure induced programmed thymocyte apoptosis in mice. AB - This study aimed to investigate the effects of prenatal nicotine exposure (PNE) on thymocyte apoptosis and postnatal immune impairments in vivo and further explore the epigenetic mechanisms of the pro-apoptotic effect of nicotine in vitro. The results showed that PNE caused immune impairments in offspring on postnatal day 49, manifested as increased IL-4 production and an increased IgG1/IgG2a ratio in serum. Enhanced apoptosis of total and CD4+SP thymocytes was observed both in fetus and in offspring. Further, by exposing thymocytes to 0-100 MUM of nicotine in vitro for 48 h, we found that nicotine increased alpha7 nicotinic acetylcholine receptor (nAChR) expression, activated the Fas apoptotic pathway, and promoted thymocyte apoptosis in concentration-dependent manners. In addition, nicotine could induce Tet methylcytosine dioxygenase (TET) 2 expression and Fas promoter demethylation, which can be abolished by TET2 siRNA transfection. Moreover, the alpha7 nAChR specific antagonist alpha-bungarotoxin can abrogate nicotine-induced TET2 increase, and the following Fas demethylation and Fas-mediated apoptosis. In conclusion, our findings showed, for the first time, that alpha7 nAChR activation could induce TET2-mediated Fas demethylation in thymocytes and results in the upregulation of Fas apoptotic pathway, which provide evidence for elucidating the PNE-induced programmed thymocyte apoptosis. PMID- 29212187 TI - Autophagy protein LC3 regulates the fibrosis of hypertrophic scar by controlling Bcl-xL in dermal fibroblasts. AB - Hypertrophic scar (HS) is a serious skin fibrotic disease characterized by excessive hypercellularity and extracellular matrix (ECM) component deposition. Autophagy is a tightly regulated physiological process essential for cellular maintenance, differentiation, development and homeostasis. However, during the formation of HS, whether and how autophagy is regulated in dermal fibroblasts are still far from elucidated. Here we detected the autophagic capacity in HS and normal skin (NS) counterparts, explored and verified the key regulatory molecules of autophagy in HS-derived fibroblasts (HSFs), and validated the data using rabbit ear scar model. Transmission electron microscopy (TEM) and immunostaining data showed that LC3-positive cells and autophagosomes in HS/HSFs were more intensive relative to those in NS/NSFs groups. Knockdown of LC3 (shLC3) could significantly block the expressionof type I collagen (Col 1, p < 0.01) and type III collagen (Col 3, p < 0.01) and thus inhibit the fibrosis of HSFs. shLC3 resistant to autophagy was shown to be Bcl-xL-, not Bcl-2-dependent, and silencing of Bcl-xL (sibcl-xL) significantly increased apoptosis of HSFs (p < 0.01). Immunofluorescence results showed that instead of inhibiting alpha-SMA protein expression, shLC3 could change its architecture arrangement in HSFs. sibcl-xL showed that Bcl-xL was a key signaling molecule involved in HSFs autophagy. More importantly, both shLC3 and sibcl-xL obviously improved the appearance and architecture of the rabbit ear scar, and reduced scar formation on the rabbit ear. Therefore, the aberration of LC3 protein processing compromised autophagy in HS might associate with its pathogenesis in wound repair. LC3 regulated HS fibrosis by controlling the expression of Bcl-xL in HSFs. Thus, Bcl xL might serve as a potential molecular target, providing a novel strategy for HS therapy. PMID- 29212188 TI - Baseline platelet parameters for predicting early platelet response and clinical outcomes in patients with non-cardioembolic ischemic stroke treated with clopidogrel. AB - Purpose: The present study investigated whether routine baseline platelet parameters(BPPs) detected before clopidogrel therapy in acute non-cardioembolic ischemic stroke(NCIS) could predict early platelet response and future clinical outcomes. Results: The CYP2C19 polymorphisms constituted independent risk factors for LCR. The number of female patients, the incidence of diabetes mellitus (DM), the level of low-density lipoprotein(LDL) cholesterol, and the neutrophil-to lymphocyte ratio(NLR) were significantly high in the clinical clopidogrel resistance (CCR) group. However, none of the BPPs had a significant association with laboratory clopidogrel resistance (LCR) or discriminated with the cut-off values regarding LCR or CCR. The patients were divided into two groups according to the average mean platelet volume(MPV) or platelet count(PC). We found that the HbA1c level, the number of female patients, and the CCR were higher in the groups with elevated MPV (>= 10.6fL) and PC (>= 235 * 109/L); the LCR, the NIHSS score at discharge, and elevated MPV and PC were risk predictors for CCR. Materials and Methods: This study included 196 patients with acute NCIS who underwent routine blood tests upon admission, were treated with clopidogrel, and were followed up for 6 months. Early platelet response was assessed and the CYP2C19 genetic variants were screened for. All participants were categorized into either laboratory clopidogrel resistance(LCR) or clinical clopidogrel resistance (CCR) groups. Conclusions: Elevated baseline MPV and PC before clopidogrel therapy, as well as CYP2C19 gene variants, should be included in a risk algorithm for NCIS. Furthermore, other nongenetic clinical risk factors should be assessed for optimal prediction of the risk for thrombotic events because of individual variability in platelet response to clopidogrel. PMID- 29212189 TI - Quizartinib (AC220) reverses ABCG2-mediated multidrug resistance: In vitro and in vivo studies. AB - Previous reports have shown that some tyrosine kinase inhibitors (TKIs) could inhibit the ATP-binding cassette (ABC) transporters involved in multidrug resistance (MDR). Quizartinib (AC220), a potent class III receptor tyrosine kinase inhibitor (TKI), was synthesized to selectively inhibit FMS-like tyrosine kinase-3 (FLT3), a target in the treatment of acute myeloid leukemia (AML). Quizartinib is currently under clinical trials for FLT3 ITD and wild-type AML and is tested in combination with chemotherapy. While non-toxic to cell lines, quizartinib at 3 MUM showed significant reversal effect on wild-type and mutant ABCG2 (R482T)-mediated MDR, and only a moderate reversal effect on mutant ABCG2 (R482G)-mediated MDR. Results also showed that quizartinib reversed MDR not by reducing the expression of ABCG2 protein, but by antagonizing the drug efflux function and increasing the intracellular accumulation of substrate anticancer drugs in ABCG2-overexpressing cells. Importantly, quizartinib at 30 mg/kg strongly enhanced the effect of topotecan (3 mg/kg) in ABCG2-overexpressing (H460/MX20) xenografts in athymic nude mice. These results demonstrated that quizartinib potentiates the antineoplastic activity of wild-type and R482T mutant ABCG2 substrates. These findings may be useful in clinical practice for cancer combination therapy with quizartinib. PMID- 29212190 TI - Artesunate-modified nano-graphene oxide for chemo-photothermal cancer therapy. AB - Poor water-solubility of artesunate (ARS) hampers its clinical application. We here covalently linked ARS to PEGylated nanographene oxide (nGO-PEG) to obtain ARS-modified nGO-PEG (nGO-PEG-ARS) with excellent photothermal effect and dispersibility in physiological environment. nGO-PEG-ARS induced reactive oxygen species (ROS) and peroxynitrite (ONOO?) generations. Although nGO-PEG with near infrared (NIR) irradiation did not induce cytotoxicity, the photothermal effect of nGO-PEG under NIR irradiation enhanced not only cell uptake but also ONOO? generation of nGO-PEG-ARS, resulting in the synergistic chemo-photothermal effect of nGO-PEG-ARS in killing HepG2 cells. Pretreatment with Fe(III) 5,10,15,20 tetrakis (4-sulfonatophenyl) porphyrinato chloride (FeTTPS, a ONOO? scavenger) instead of antioxidant N-Acetyle-Cysteine (NAC, an ROS scavenger) significantly blocked the cytotoxicity of nGO-PEG-ARS with or without NIR irradiation, demonstrating that ONOO? instead of ROS dominated the synergistic chemo photothermal anti-cancer action of nGO-PEG-ARS. nGO-PEG-ARS with NIR irradiation resulted in a complete tumor cure within 15 days earlier than other treatment groups, and did not induce apparent histological lesion for the mice treated with nGO-PEG-ARS with or without NIR irradiation for 30 days, further proving the synergistic chemo-photothermal anti-cancer effect of nGO-PEG-ARS. Collectively, nGO-PEG-ARS is a versatile nano-platform for multi-modal synergistic cancer therapy. PMID- 29212191 TI - Incidence and risk of hematologic toxicities in cancer patients treated with regorafenib. AB - Regorafenib, an oral vascular endothelial growth factor receptor tyrosine-kinase inhibitor, has been approved for the treatment of several malignancies. As a non traditional cytotoxic chemotherapeutic agent, regorafenib is often associated with hematologic toxicities. Here we searched PubMed and Embase up to June 2017 for relevant clinical trials. Eligible studies include trials in which subjects treated with 160 mg of regorafenib daily during the first 21 days of each 28-day cycle, and adequate safety data profile reporting thrombocytopenia, anemia, neutropenia and leucopenia. Statistical analyses were conducted to calculate the overall incidences, relative risks (RRs) and their 95% confidence intervals (CIs). A total of 2,341 subjects from 16 trials were included in the present studies. The incidences of regorafenib associated all-grade and high-grade hematologic toxicities were: thrombocytopenia, 22% and 3%; anemia, 20% and 3%; neutropenia, 10% and 2%, and leucopenia, 13% and 2%, respectively. Regorafenib treated subjects had a significant increased risk of all-grade (RR=6.35; 95% CI, 3.19-12.64) and high-grade (RR=6.27; 95% CI, 1.69-23.26) thrombocytopenia, all grade (RR=2.76; 95% CI, 1.63-4.68) and high-grade (RR=5.38; 95% CI, 1.60-18.06) anemia. Our results suggested that regorafenib therapy was associated with significantly increased risks of hematological toxicities, and hematologic monitoring at regular intervals should be advised to clinician. PMID- 29212192 TI - Vorinostat and metformin sensitize EGFR-TKI resistant NSCLC cells via BIM dependent apoptosis induction. AB - There is a close relationship between low expression of BIM and resistance to epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI). Vorinostat is a pan-histone deacetylase inhibitor (HDACi) that augments BIM expression in various types of tumor cells, however, this effect is attenuated by the high expression of anti-apoptotic proteins in EGFR-TKI resistant non-small cell lung cancer (NSCLC) cells. Vorinostat in combination with metformin - a compound that can inhibit anti-apoptotic proteins expression, might cooperate to activate apoptotic signaling and overcome EGFR-TKI resistance. This study aimed to investigate the cooperative effect and evaluate possible molecular mechanisms. The results showed that vorinostat combined with gefitinib augmented BIM expression and increased the sensitivity of EGFR-TKI resistant NSCLC cells to gefitinib, adding metformin simultaneously could obviously inhibit the expression of anti-apoptotic proteins, and further increased expression levels of BIM and BAX, and as a result, further improved the sensitivity of gefitinib both on the NSCLC cells with intrinsic and acquired resistance to EGFR-TKI. In addition, autophagy induced by gefitinib and vorinostat could be significantly suppressed by metformin, which might also contribute to enhance apoptosis and improve sensitivity of gefitinib. These results suggested that the combination of vorinostat and metformin might represent a novel strategy to overcome EGFR-TKI resistance associated with BIM-dependent apoptosis in larger heterogeneous populations. PMID- 29212193 TI - MicroRNA expression profiling in exosomes derived from gastric cancer stem-like cells. AB - Cancer stem-like cells (CSCs) have been identified as the initial cell in formation of cancer. Quiescent CSCs can "hide out" from traditional cancer therapy which may produce an initial response but are often unsuccessful in curing patients. Thus, levels of CSC in patients may be used as an indicator to measure the chance of recurrence of cancer after therapy. The goals of our work are to develop specific exosomal miRNA clusters for gastric CSCs that can potentially predict which patients are at high risk for developing gastric cancer (GC) in order to diagnose GC at an early stage. Here, upon sorting gastric CSCs, we initially isolated and characterized exosomes secreted by both gastric CSCs and their differentiated cells (DCs). By deep sequencing of each exosomal miRNA library, 11 typical differentially expressed miRNAs were identified as signature miRNAs for CSC. Gene target prediction, GO annotation and KEGG pathway enrichment analysis showed possible functions associated with these signature miRNAs. Hence, upon research of exosomal miRNAs that would influence behavior of tumor cells and their microenvironment, this study shows that a specific miRNA signature is present in CSCs, and implies that a potential miRNA biomarker reflecting the stage of gastric cancer progression and metastasis could be developed in the foreseeable future. PMID- 29212194 TI - Association between miR-31-3p expression and cetuximab efficacy in patients with KRAS wild-type metastatic colorectal cancer: a post-hoc analysis of the New EPOC trial. AB - Background: High miR-31-3p expression is associated with inferior outcomes in KRAS wild-type (WT) advanced colorectal cancer patients treated with anti-EGFR therapy. This study evaluated miR-31-3p expression in patients with operable colorectal liver metastases (LM) enrolled in the New EPOC study. Methods: MiR-31 3p expression was measured in primary tumors (PT) from 149 KRAS WT patients including 71 receiving chemotherapy alone (CT) and 78 receiving chemotherapy plus cetuximab (CTX). Each treatment arm was split into tertiles based on miR-31-3p expression levels. MiR-31-3p expression was also measured in LM from 94 patients with tumor tissue available. Results: The median progression-free survival for the combined populations with mid or high miR-31-3p expression was shorter in the CTX versus the CT arm (26.7 months versus 12.3 months, HR=2.28 95%CI 1.27; 4.09 p=0.006). Low miR-31-3p expressers had similar outcomes irrespective of treatment (HR=1.06 95%CI 0.43; 2.61 p=0.9). MiR-31-3p expression was correlated between paired PT and LM samples in the CT group but not in the CTX group. Conclusions: Patients with low miR-31-3p expression in the New EPOC study were not harmed by the addition of cetuximab. This supports miR-31-3p as a promising predictive biomarker for anti-EGFR therapy in KRAS WT advanced colorectal cancer. PMID- 29212195 TI - The adaptive immune system promotes initiation of prostate carcinogenesis in a human c-Myc transgenic mouse model. AB - Increasing evidence from epidemiological and pathological studies suggests a role of the immune system in the initiation and progression of multiple cancers, including prostate cancer. Reports on the contribution of the adaptive immune system are contradictive, since both suppression and acceleration of disease development have been reported. This study addresses the functional role of lymphocytes in prostate cancer development using a genetically engineered mouse model (GEMM) of human c-Myc driven prostate cancer (Hi-Myc mice) combined with B and T cell deficiency (RAG1-/- mice). From a pre-cancerous stage on, Hi-Myc mice showed higher accumulation of immune cells in their prostates then wild-type mice, of which macrophages were the most abundant. The onset of invasive adenocarcinoma was delayed in Hi-MycRAG1-/- compared to Hi-Myc mice and associated with decreased infiltration of leukocytes into the prostate. In addition, lower levels of the cytokines CXCL2, CCL5 and TGF-beta1 were detected in Hi-MycRAG1-/- compared to Hi-Myc mouse prostates. These results from a GEMM of prostate cancer provide new insights into the promoting role of the adaptive immune system in prostate cancer development. Our findings indicate that the endogenous adaptive immune system does not protect against de novo prostate carcinogenesis in Hi-Myc transgenic mice, but rather accelerates the formation of invasive adenocarcinomas. This may have implications for the development of novel treatment strategies. PMID- 29212196 TI - Juglanin inhibits lung cancer by regulation of apoptosis, ROS and autophagy induction. AB - Juglanin (Jug) is obtained from the crude extract of Polygonum aviculare, exerting suppressive activity against cancer cell progression in vitro and in vivo. Juglanin administration causes apoptosis and reactive oxygen species (ROS) in different types of cells through regulating various signaling pathways. In our study, the effects of juglanin on non-small cell lung cancer were investigated. A significant role of juglanin in suppressing lung cancer growth was observed. Juglanin promoted apoptosis in lung cancer cells through increasing Caspase-3 and poly ADP-ribose polymerase (PARP) cleavage, which is regulated by TNF-related apoptosis-inducing ligand/Death receptors (TRAIL/DRs) relied on p53 activation. Anti-apoptotic members Bcl-2 and Bcl-xl were reduced, and pro-apoptotic members Bax and Bad were enhanced in cells and animals receiving juglanin. Additionally, nuclear factor-kappaB (NF-kappaB), phosphoinositide 3-kinase/protein kinase B (PI3K/AKT) and mitogen-activated protein kinases (MAPKs) activation were inhibited by juglanin. Further, juglanin improved ROS and induced autophagy. ROS inhibitor N-acetyl-l-cysteine (NAC) reversed apoptosis induced by juglanin in cancer cells. The formation of autophagic vacoules and LC3/autophagy gene7 (ATG7)/Beclin1 (ATG6) over-expression were observed in juglanin-treated cells. Also, juglanin administration to mouse xenograft models inhibited lung cancer progression. Our study demonstrated that juglanin could be a promising candidate against human lung cancer progression. PMID- 29212197 TI - Paeoniflorin prevents postoperative peritoneal adhesion formation in an experimental rat model. AB - Although materials and modern surgical techniques have been developed to suppress postoperative adhesions, adhesion formation can still occur, and thus, a novel effective anti-adhesion drug is greatly needed. In the present study, we explored the efficacy of paeoniflorin treatment against postoperative peritoneal adhesions and examined the anti-oxidative stress and anti-inflammatory properties of PE. Forty-eight male Sprague-Dawley rats were randomly divided into 6 groups for the study: the sham, control, hyaluronan and three concentrations (10, 20 and 40 mg/kg/d) paeoniflorin groups. Abdominal adhesions were created by abrasion of the caecum and its opposite abdominal wall. In the paeoniflorin groups, the rats were administered daily oral doses of paeoniflorin for 7 days. The abdominal cavities of the rats were reopened with a U-shaped incision to macroscopically grade the adhesions. Histologic analysis was performed, and oxidative stress, inflammatory cytokine, collagen fiber degradation and cytokeratin levels were measured. Macroscopic and histopathological measurements revealed that paeoniflorin reduced peritoneal adhesion and inflammation. Notably, treatment with paeoniflorin reduced the protein levels of TGF-beta1, IL-6 and COX-2. The collagen fiber fractions were distinctly lower in the PE groups than in the control group. Western blotting analyses showed that paeoniflorin increased MMP-9 and superoxide dismutase-2 protein expression and sharply reduced alpha-SMA and COX-2 protein expression. Peritoneal mesothelium cells were more continuous and complete in animals treated with paeoniflorin. Our study suggests that paeoniflorin can be used to ameliorate peritoneal adhesions via anti-oxidative stress and anti inflammatory actions during the postoperative period. PMID- 29212198 TI - Targeting oral cancer stemness and chemoresistance by isoliquiritigenin-mediated GRP78 regulation. AB - Cancer stem cells (CSCs) are cells that drive tumorigenesis, contributing to metastasis and cancer recurrence as well as resistance to chemotherapy of oral squamous cell carcinomas (OSCC). Therefore, approaches to target CSCs become the subject of intense research for cancer therapy. In this study, we demonstrated that isoliquiritigenin, a chalcone-type flavonoid isolated from licorice root, exhibited more toxicity in oral cancer stem cells (OSCC-CSCs) compared to normal cells. Treatment of isoliquiritigenin not only inhibited the self-renewal ability but also reduced the expression of CSC markers, including the ALDH1 and CD44. In addition, the capacities of OSCC-CSCs to invade, metastasize and grow into a colony were suppressed by isoliquiritigenin. Most importantly, we showed that isoliquiritigenin potentiated chemotherapy along with downregulated expression of an ABC transporter that is associated with drug resistance, ABCG2. Moreover, a combination of isoliquiritigenin and Cisplatin significantly repressed the invasion and colony formation abilities of OSCC-CSCs. Our results suggested that administration of isoliquiritigenin reduced the protein expression of mRNA and membrane GRP78, a critical mediator of tumor biology. Overexpression of GRP78 reversed the inhibitory effect of isoliquiritigenin on OSCC-CSCs. Furthermore, isoliquiritigenin retarded the tumor growth in nude mice bearing OSCC xenografts. Taken together, these findings showed that isoliquiritigenin is an effective natural compound that can serve as an adjunct to chemotherapy for OSCC. PMID- 29212199 TI - Klf4 reduces stemness phenotype, triggers mesenchymal-epithelial transition (MET) like molecular changes, and prevents tumor progression in nasopharygeal carcinoma. AB - The reprogramming factor Kruppel-like factor 4 (Klf4), one of the Yamanaka's reprogramming factors, plays an essential role in reprogramming somatic cells into induced pluripotent stem cells (iPSCs). Klf4 is dysregulated and displays divergent functions in multiple malignancies, but the biological roles of Klf4 in nasopharyngeal carcinoma (NPC) remain unknown. The present study revealed that Klf4 downregulation in a cohort of human NPC biopsies is significantly associated with invasive and metastatic phenotypes of NPC. Our results showed exogenous expression of Klf4 significantly inhibited cell proliferation, decreased stemness, triggered mesenchymal-epithelial transition (MET)-like molecular changes, and suppressed migration and invasion of NPC cells, whereas depletion of endogeneous Klf4 by RNAi reversed the aforementioned biological behaviors and characheristics. Klf4 silencing significantly enhanced the metastatic ability of NPC cells in vivo. In addition, CHIP assay confirmed that E-cadherin is a transcriptional target of Klf4 in NPC cells. Additional studies demonstrated that Klf4-induced MET-like cellular marker alterations, and reduced motility and invasion of NPC cells were mediated by E-cadherin. This study revealed the clinical correlation between Klf4 expression and epithelial-mesenchymal transition (EMT) biomarkers (including its target gene E-cadherin) in a cohort of NPC biopsies. Taken together, our findings suggest, for what we believe is the first time, that Klf4 functions as a tumor suppressor in NPC to decrease stemness phenotype, inhibit EMT and prevent tumor progression, suggesting that restoring Klf4 function may provide therapeutic benefits in NPC. PMID- 29212200 TI - Cell-free DNA promoter hypermethylation in plasma as a predictive marker for survival of patients with pancreatic adenocarcinoma. AB - Introduction: Few prognostic biomarkers are available for pancreatic cancer. The aim of this study is to examine the correlation between the survival of pancreatic adenocarcinoma patients and hypermethylated genes in plasma-derived cell-free DNA. Methods: Consecutive patients with pancreatic adenocarcinoma were prospectively included and staged according to the TNM classification. Methylation-specific PCR of 28 genes was conducted. A survival prediction model independent of cancer stage and stage-specific survival prediction models were developed by multivariable Cox regression analysis using backward stepwise selection. Results: Ninety-five patients with pancreatic adenocarcinoma were included. Patients with more than 10 hypermethylated genes had a HR of 2.03 (95% CI; 1.15-3.57) compared to patients with fewer hypermethylated genes. Three survival prediction models were developed: Total group; (American Society of Anesthesiologists score (ASA)=3, GSTP1, SFRP2, BNC1, SFRP1, TFPI2, and WNT5A) Risk groups 2, 3 and 4 had a HR of 2.65 (95% CI; 1.24-5.66), 4.34 (95% CI; 1.98 9.51) and 21.19 (95% CI; 8.61-52.15), respectively, compared to risk group 1. Stage I-II; (ASA=3, SFRP2, and MESTv2) Risk groups 2, 3 and 4 had a HR of 4.83 (95% CI; 2.01-11.57), 9.12 (95% CI; 2.18-38.25) and 70.90 (95% CI; 12.63-397.96), respectively, compared to risk group 1. Stage IV; (BMP3, NPTX2, SFRP1, and MGMT) Risk group 2 had a HR of 5.23 (95% CI; 2.13-12.82) compared to risk group 1. Conclusion: Prediction models based on cell-free DNA hypermethylation stratified pancreatic adenocarcinoma patients into risk groups according to survival. The models have the potential to work as prognostic biomarkers. However, further validation of the results is required to substantiate the findings. PMID- 29212202 TI - Enhancing E-cadherin expression via promoter-targeted miR-373 suppresses bladder cancer cells growth and metastasis. AB - Previous studies showed that miR-373 had the capacity to induce tumor suppressor gene E-cadherin expression in prostate cancer cells. However, whether miR-373 can activate the expression of E-cadherin in human bladder cancer (BCa) cells and inhibit cells remains to be elucidated. Here, we found that both miR-373 and E cadherin were low expressed in BCa tissues and cell lines, and significantly correlated with tumor stage, grade, and lymph node metastasis. In addition, decreased E-cadherin expression or low expression of both miR-373 and E-cadherin is associated with poor overall survival in patients with BCa. Transfection of miR-373 into BCa cells readily activated E-cadherin expression by targeting promoter. Moreover, miR-373 exhibited robust capacity to inhibit cells proliferation, suppress migration and invasion by enhancing E-cadherin expression, and significantly suppress the growth of xenografts and metastasis in nude mice. Altogether, our findings indicate that miR-373 may as a tumor suppressor in BCa by activating E-cadherin expression. PMID- 29212201 TI - Predicting new indications of compounds with a network pharmacology approach: Liuwei Dihuang Wan as a case study. AB - With the ever increasing cost and time required for drug development, new strategies for drug development are highly demanded, whereas repurposing old drugs has attracted much attention in drug discovery. In this paper, we introduce a new network pharmacology approach, namely PINA, to predict potential novel indications of old drugs based on the molecular networks affected by drugs and associated with diseases. Benchmark results on FDA approved drugs have shown the superiority of PINA over traditional computational approaches in identifying new indications of old drugs. We further extend PINA to predict the novel indications of Traditional Chinese Medicines (TCMs) with Liuwei Dihuang Wan (LDW) as a case study. The predicted indications, including immune system disorders and tumor, are validated by expert knowledge and evidences from literature, demonstrating the effectiveness of our proposed computational approach. PMID- 29212203 TI - Knockdown of GTPBP4 inhibits cell growth and survival in human hepatocellular carcinoma and its prognostic significance. AB - GTP-binding protein 4 (GTPBP4), as a novel member of GTPases involved in the synthesis of 60S subunit and maturation, is closely related to cell proliferation and growth. Till now, a small number of existing studies have found a contradictory dual role of GTPBP4 in cancer. Whether the expression level of GTPBP4 in hepatocellular carcinoma (HCC) is associated with the patients' prognosis or its function and underlying molecular mechanisms still remains unclear. In the present study, the above issues were explored for the first time. Our results showed that GTPBP4 was overexpressed in HCC and knockdown of GTPBP4 delayed cell proliferation, impaired colony formation ability, induced cell cycle arrest in G2/M period and promoted apoptosis in HCC cell lines. Besides, in vivo xenograft nude mice model revealed that GTPBP4 knockdown could significantly suppress HCC tumorigenesis. Gene microarray and further pathway enrichment analyses indicated that ERBB signaling pathway was the most significantly changed one. More importantly, high GTPBP4 expression level significantly correlated to the poor prognosis of HCC patients. Taken together, all these findings suggest that GTPBP4 serves as an oncogene and plays a pivotal role in HCC development, which will be a potential therapeutic target or a biomarker for HCC. PMID- 29212204 TI - MYC overexpression with its prognostic and clinicopathological significance in breast cancer. AB - Background: Proto-oncogene MYC has been indicated to promote progression of many cancers. However, prognostic and clinicopathological significance of MYC in breast cancer need further evaluation. Methods: We searched EMBASE and PubMed databases to find useful studies. We analyzed relationships between high MYC expression and prognostic data/ clinicopathological features through hazard ratio (HR) and odds ratio (OR). Each statistical test was two-sided. Results: There were 29 studies (36 cohorts) with 12621 patients enrolled in our study The MYC overexpression was associated with worse DFS/RFS (disease/relapse free survival) in 11 studies (16 cohorts) with 5390 patients, and OS (overall survival) of 7 studies (8 cohorts) with 2672 patients. Subgroup analysis according to ethnicity/technique/data source displayed that MYC overexpression was associated with poor DFS/RFS in FISH, other technique, all data source and Asian/Non-Asian subgroup, and worse OS in all subgroups. In addition, MYC overexpression was related to large tumor size, high histologic grade, lymph node metastasis, negative hormone receptors and positive Ki67 expression. Conclusions: Our results showed that MYC overexpression was associated with worse prognosis and high risk of breast cancer, especially in patients with negative hormone receptors, which highlighted the potential of MYC as a significant prognostic biomarker of breast cancer. PMID- 29212205 TI - JNK inhibitor alleviates apoptosis of fetal neural stem cells induced by emulsified isoflurane. AB - : Isoflurane can provide both neuroprotection and neurotoxicity in various culture models and in rodent developing brains. Emulsified Isoflurane (EI) is an emulsion formulation of isoflurane, while its underlying molecular mechanism of developemental nerve toxicity largely remains unclear. We hypothesized that EI induced fetal neural stem cells (FNSCs) apoptosis, endoplasmic reticulum (ER) stress and c-Jun N-terminal kinase (JNK) activation. FNSCs were isolated from the cortex of SD rats during 14 days of gestation. The cell viability, cell apoptotic rates and the expression of apoptosis-related protein Caspase3, inositol requiring enzyme 1 (IRE1), poly (adenosine diphosphate-ribose) polymerase (PARP), Bax, Bcl-2, JNK, p-JNK and XBP1 were determined. Specific inhibition was performed by siRNA-targeting of JNK in FNSCs. EI could increase the p-JNK, JNK and caspase3 protein expression, the JNK pathway was activated by EI, and EI induced apoptosis was blocked by inhibiting JNK pathway with SP600125 or JNK small interfering RNA (siRNA), EI enhanced the level of IRE1, PARP, Bax/Bcl-2 and XBP1, which led FNSCs to apoptosis and ER stress. Meanwhile, dilatation of the ER lumens in FNSCs treated by EI for 24 h was significant. Green fluorescent protein (GFP) positive cell ratios were significantly decreased by FNSCs transfecting with JNK gene silencing. JNK was efficiently silenced in siRNA-JNK1 group. The results provided in-vitro evidence which supports that the underlying mechanisms of EI-induced apoptosis are the induction of ER stress and sequent JNK activation. Together, these data suggest that JNK inhibiting might be applied for improving therapeutic outcomes in anesthestics-induced neurotoxicity. HIGHLIGHTS: 1. Prolonged treatment with high-dose EI decreased the survival level of FNSCs by inducing apoptosis and inhibiting proliferation via the JNK signaling pathway. 2. EI induced ER stress and sequent JNK activation. 3. JNK inhibiting might be applied for improving therapeutic outcomes in anesthestics-induced neurotoxicity. PMID- 29212206 TI - LINE-1 methylation in peripheral blood leukocytes and clinical characteristics and prognosis of prostate cancer patients. AB - Global DNA methylation of long interspersed nucleotide elements (LINE-1) in leukocytes has been suggested to be a risk factor for a few cancers. There has been no report of LINE-1 methylation in leukocytes as a risk factor for aggressive prostate cancer at diagnosis and prognosis after treatments. In this study, we measured the leukocyte DNA methylation of LINE-1 in 795 PCa patients and compared the methylation levels across different clinical subgroups. We then determined the association of LINE-1 methylation in leukocytes with clinicopathological variables at diagnosis using logistic regression analysis and biochemical recurrence in patients receiving active treatments (prostatectomy and radiotherapy) using Cox proportional hazard model after adjusting for age, BMI, smoking status, pack year, D'Amico risk groups, and treatments. Overall, the DNA methylation of LINE-1 was not associated with the risk of being diagnosed with high-risk prostate cancer or the risk of biochemical recurrence upon active treatments. Future studies are warranted to investigate other types of repetitive element methylation and longitudinal changes of global methylation in relation to prostate cancer risk and prognosis. PMID- 29212207 TI - DUSP4 promotes doxorubicin resistance in gastric cancer through epithelial mesenchymal transition. AB - Chemoresistance limits treatment efficacy in gastric cancer and doxorubicin resistance is common in gastric cancer cells. Dual specificity phosphatase 4 (DUSP4) has been associated with tumor progression. This study aimed to investigate the mechanism of DUSP4 regulating doxorubicin resistance in gastric cancer cells. Cell Counting Kit-8 (CCK-8) and 5-ethynyl-2'-deoxyuridine (EdU) incorporation assay were used to measure cell viability and proliferation in gastric cancer cells treated with doxorubicin. The expression of DUSP4, E cadherin and Vimentin protein was detected by Western blotting. Overexpression of DUSP4 was more resistant to doxorubicin in gastric cancer cells. Knockdown of DUSP4 increased the sensitivity of gastric cancer cells to doxorubicin. Moreover, up-regulation of DUSP4 promoted the Epithelial-Mesenchymal Transition (EMT) in gastric cancer cells, but blocking the EMT using a Twist siRNA increased the sensitivity of gastric cancer cells to doxorubicin and confirmed the EMT was involved in DUSP4-mediated doxorubicin resistance. These findings demonstrated that DUSP4 could enhance doxorubicin resistance by promoting EMT in gastric cancer cells. PMID- 29212208 TI - Ruxolitinib sensitizes ovarian cancer to reduced dose Taxol, limits tumor growth and improves survival in immune competent mice. AB - Background: Chemotherapy initially reduces the tumor burden in patients with ovarian cancer. However, tumors recur in over 70% of patients, creating the need for novel therapeutic approaches. Methods: We evaluated Ruxolitinib, an FDA approved JAK 1/2 kinase inhibitor, as a potential adjunctive therapy for use with low-dose Taxol (Paclitaxel) by assessing the impact on in vitro proliferation and colony formation of ID8 cells or human TOV-112D ovarian cancer cells, as well as flow cytometric measurement of surface markers associated with cellular stress and stemness by ID8 cells. The syngeneic ID8 murine model of ovarian cancer was used to assess the impact of Ruxolitinib and Taxol, individually and in combination, on tumor initiation and growth, as well as capacity to extend survival. Results: Ruxolitinib (<=10 MUM) sensitized both ID8 and TOV-112D cells to low concentrations of Taxol (<=5 nM), limiting cell proliferation and colony formation in vitro. Mechanistically, we demonstrated that Taxol induced expression of stress and stemness markers including GRP78 and CD133 was significantly reduced by addition of Ruxolitinib. Finally, we demonstrated that a single administration of a low-dose of Taxol (10 mg/Kg) together with daily Ruxolitinib (30 mg/Kg; which is equivalent to plasma concentrations of ~ 0.01 MUM steady-state) limited ID8 tumor growth in vivo and significantly extended median survival up to 53.5% (median 70 v 107.5 days) as compared to control mice. Conclusion: Together, these data support the use of Ruxolitinib in combination with low-dose Taxol as a therapeutic approach with the potential for improved efficacy and reduced side effects for patients with recurrent ovarian cancer. PMID- 29212209 TI - Targeted inhibition of glutaminase as a potential new approach for the treatment of NF1 associated soft tissue malignancies. AB - Many cancer cells rely on glutamine as the source of carbon molecules to feed the biosynthetic pathways and are often addicted to glutaminolysis. Inhibitors of glutaminase activity have gained attention in the last few years due to their anti-proliferative effect and ability to induce apoptosis in some cancers. Although it is a promising therapeutic approach, its efficacy or the role played by glutamine in modulating cell proliferation in NF1 associated tumors has never been studied. We report for the first time, a strong correlation between the NF1 status of tumor cells and increased sensitivity to glutamine deprivation and glutaminase inhibition. Soft-tissue cell lines null for NF1 were highly dependent on glutamine for proliferation and showed decreased mTORC1 and Ras activity in response to glutaminase inhibition. Re-addition of glutamine or intermediary metabolite such as glutamate to the media restored mTORC1 and Ras activity. SiRNA mediated NF1 knockdown in wild-type NF1 cell line shows increased sensitivity to glutaminase inhibition. Conversely, NF1 overexpression in NF1 null cell lines results in reduced sensitivity to glutaminase inhibition, and restores mTORC1 signaling and Ras activity. These findings provide new insights into the role played by glutamine metabolism in NF1 associated tumors and strongly warrant further investigation as a potential therapy in the NF1 disease setting. PMID- 29212210 TI - miR-21 silencing ameliorates experimental autoimmune encephalomyelitis by promoting the differentiation of IL-10-producing B cells. AB - IL-10-producing regulatory B (IL-10+ Breg) cells promote tolerance in autoimmune diseases and transplantation. However, it remains unclear whether microRNAs are involved in the development of IL-10+ Breg cells. Here, we found that microRNA-21 (miR-21) acts as an upstream regulator of IL-10 by targeting the 3' untranslated region of IL-10 mRNA. We also demonstrated that IL-10+ Breg cells exhibit lower miR-21 expression than non-Breg cells and that miR-21 acts as a potent negative regulator of the differentiation of IL-10+ Breg cells. Accordingly, specific inhibition of miR-21 using antisense oligonucleotides markedly promoted B cell IL 10 expression. Thus, IL-10 is a direct target of miR-21. Moreover, silencing of miR-21 significantly alleviated the severity of experimental autoimmune encephalomyelitis (EAE), and this change was associated with an increase in the number of IL-10+ Breg cells. Finally, we demonstrated that miR-21-silenced B cells exert their suppressive activity through effector T cells in an IL-10 dependent manner. Thus, we characterized a B cell-intrinsic microRNA pathway that inhibits the differentiation of IL-10+ Breg cells and promotes autoimmunity. miR 21 silencing therefore represents a new therapeutic strategy for the treatment of autoimmune diseases. PMID- 29212211 TI - SETD7 is a prognosis predicting factor of breast cancer and regulates redox homeostasis. AB - SETD7 is a methyltransferase that specifically catalyzes the monomethylation of lysine 4 on histone H3. A variety of studies has revealed the role of SETD7 in posttranslational modifications of non-histone proteins. However, the prognostic value of SETD7 on breast cancer and the ability of SETD7 of regulating intrinsic redox homeostasis has never been investigated. In this study, using The Cancer Genome Atlas (TCGA) database, we revealed that SETD7 was a potential prognostic marker of breast cancer. Median survival time of patients with low SETD7 expression (18.1 years) was twice than that of SETD7 low-expressed patients (9.5 years). We demonstrated that SETD7 promoted tumor cell proliferation and prevented cell apoptosis and that SETD7 delicately maintained the redox homeostasis through regulating the levels of GSH/GSSG and ROS. Further studies indicated that SETD7 was a positive activator of KEAP1-NRF2 pathway. Using dual luciferase assay, we revealed the role of SETD7 as a transcriptional activator of antioxidant enzymes. Downregulation of SETD7 in MCF7 and MDA-MB-231 cells impaired the expression of antioxidant enzymes and induces imbalance of redox status. Together, we proposed SETD7 as a prognostic marker of breast cancer and a novel antioxidant promoter under oxidative stress in breast cancer. PMID- 29212212 TI - ADAMTS1-mediated targeting of TSP-1 by PPARdelta suppresses migration and invasion of breast cancer cells. AB - Migration and invasion of cancer cells into surrounding tissue is a key stage of cancer metastasis. Here, we show that peroxisome proliferator-activated receptor (PPAR) delta regulates migration and invasion of human breast cancer cells via thrombospondin-1 (TSP-1) and its degrading protease, a disintegrin and metalloprotease domains with thrombospondin motifs 1 (ADAMTS1). Activation of PPARdelta by GW501516, a specific ligand for PPARdelta, led to marked inhibition in the cell migration and TSP-1 expression of breast cancer. These effects were suppressed by small interfering RNA-mediated knock-down of ADAMTS1, indicating that ADAMTS1 is involved in PPARdelta-mediated inhibition of migration and TSP-1 expression in breast cancer cells. In addition, ligand-activated PPARdelta upregulated expression of ADAMTS1 at the transcriptional level via binding of PPARdelta to a direct repeat-1 site within the ADAMTS1 gene promoter. Furthermore, ligand-activated PPARdelta suppressed invasion of breast cancer cells in an ADAMTS1-dependent manner. Taken together, these results demonstrate that PPARdelta suppresses migration and invasion of breast cancer cells by downregulating TSP-1 in a process mediated by upregulation of ADAMTS1. PMID- 29212213 TI - The bromodomain and extraterminal domain inhibitor bromosporine synergistically reactivates latent HIV-1 in latently infected cells. AB - The long-lived latent HIV-1 reservoir is the major barrier for complete cure of Acquired Immune Deficiency Syndrome (AIDS). Here we report that a novel bromodomain and extraterminal domain (BET) inhibitor bromosporine which can broadly target BETs, is able to potently reactivate HIV-1 replication in different latency models alone and more powerful when combined with prostratin or TNF-alpha. Furthermore, the treatment with bromosporine induced HIV-1 full-length transcripts in resting CD4+ T cells from infected individuals with suppressive antiretroviral therapy (ART) ex vivo, with no obvious cytotoxicity or global activation of T cell. Finally, our data suggest that Tat plays a critical role in the bromosporine-mediated reactivation of latent HIV-1, which involved the increase of CDK9 T-loop phosphorylation. In summary, we found that the BET inhibitor bromosporine, alone or with other activators, might be a candidate for future HIV-1 eradication strategies. PMID- 29212214 TI - Association of the neoadjuvant chemotherapy cycle with survival outcomes in patients with locoregionally advanced nasopharyngeal carcinoma: a propensity matched analysis. AB - Neoadjuvant chemotherapy (NAC) is widely used to treat locoregionally advanced nasopharyngeal carcinoma (NPC). To determine the optimal number of NAC cycles, we assessed the effect of NAC cycle on survival outcomes of locoregionally advanced NPC patients receiving NAC before concurrent chemotherapy and intensity-modulated radiotherapy. Clinical data from 1,188 non-metastatic NPC patients were retrospectively reviewed. All received >=2 cycles of NAC added to concurrent chemoradiotherapy. Propensity score matching (PSM) was used to identify paired patients according to various covariates. In total, 297 pairs were selected. After a median follow-up time of 57 months (range: 7 to 104 months), the 5-year locoregional relapse-free survival, distant metastasis-free survival (DMFS), progression-free survival (PFS), and overall survival rates in patients treated with 2 cycles vs. 3 to 4 cycles of NAC were 91.3% vs. 87.2% (P=0.149), 93.3% vs. 88.5% (P=0.043), 88.7% vs. 81.7% (P=0.037), and 94.0% vs. 92.6% (P=0.266), respectively. On multivariate analysis, 2 cycles of NAC were associated with improved DMFS (hazard ratio, 0.499; P=0.038) and PFS (hazard ratio, 0.585; P=0.049). NAC cycle was an independent prognosticator of DMFS and PFS in univariate and multivariate analyses. Thus, 2 cycles of NAC appear sufficient, as additional cycles were not associated with added survival benefit for locoregionally advanced NPC. PMID- 29212215 TI - Betanodavirus B2 protein triggers apoptosis and necroptosis in lung cancer cells that suppresses autophagy. AB - The betanodavirus B2 protein targets the mitochondria and acts as a "death factor", but its effect on lung cancer cells is unknown. We examined the effect of the B2 protein on triggering apoptosis or necroptosis via P53-dependent and P53-independent pathways and increased in suppression of autophagy. The B2 protein targets the mitochondria of A549 (P53+/+) and H1299 (P53-/-) lung cancer cells due to a specific signal sequence (41RTFVISAHAA50). This triggers generation of reactive oxygen species within the mitochondria, and a minor stress response in A549 cells, but a strong stress response in H1299 cells. We examined the molecular mechanism of this cell death pathway, and found that B2 protein induces the P53/Bax-mediated apoptotic pathway in A549 cells, and that a P53 specific inhibitor (pifithrin-alpha) switches this response to RIP3-mediated necroptosis. On the other hand, B2 induces RIP3-mediated necroptosis pathway in H1299 cells, and a necroptosis inhibitor (necrostatin-1) switches this response to the apoptotic pathway. Both types of cell death signals inhibited autophagy via a tightly increased balance of beclin-1 and Bcl-2. Thus, B2 protein triggers P53-dependent apoptosis in A549 cells and ROS/RIP3-mediated necroptosis in H1299 cells, and crosstalk of these pathways limits initiation of autophagy. These findings provide new insights into the possible control and treatment of lung cancer. PMID- 29212216 TI - Naringin improves random skin flap survival in rats. AB - Background: Random-pattern flap transfer is commonly used to treat soft-tissue defects. However, flap necrosis remains a serious problem. Naringin accelerates angiogenesis by activating the expression of vascular endothelial growth factor (VEGF). In the present study, we investigated whether naringin improves the survival of random skin flaps. Results: Compared with controls, the naringin treated groups exhibited significantly larger mean areas of flap survival, significantly increased SOD activity and VEGF expression, and significantly reduced MDA level. Hematoxylin and eosin (HE) staining revealed that naringin promoted angiogenesis and inhibited inflammation. Materials and Methods: "McFarlane flap" models were established in 90 male Sprague-Dawley (SD) rats divided into three groups: a 40 mg/kg control group (0.5 % sodium carboxymethylcellulose), a 40 mg/kg naringin-treated group, and an 80 mg/kg naringin-treated group. The extent of necrosis was measured 7 days later, and tissue samples were subjected to histological analysis. Angiogenesis was evaluated via lead oxide-gelatin angiography, immunohistochemistry, and laser Doppler imaging. Inflammation was evaluated by measurement of serum TNF-alpha (tumor necrosis factor-alpha) and IL-6 (interleukin-6) levels. Oxidative stress was assessed by measuring superoxide dismutase (SOD) activity and the malondialdehyde (MDA) level. Conclusion: Naringin improved random skin flap survival. PMID- 29212217 TI - TMED2 promotes epithelial ovarian cancer growth. AB - TMED2 is involved in morphogenesis of the mouse embryo and placenta. We found that expression of TMED2 was higher in epithelial ovarian cancer tissues than normal ovarian tissues. Silencing TMED2 decreased cell proliferation, migration, and invasion. Ectopic expression of TMED2 increased cell proliferation, migration and invasion. Silencing TMED2 inhibited ovarian cancer growth in mice. Silencing TMED2 inhibited IGF2/IGF1R/PI3K/Akt pathway. In agreement, ectopically expressed TMED2 activated IGF2/IGF1R/PI3K/Akt pathway. Mechanistic study revealed that TMED2 directly binds to AKT2, thereby facilitating its phosphorylation. We also found that TMED2 increased IGF1R expression by competing for miR-30a. Thus, TMED2 is oncogenic and a potential target for epithelial ovarian cancer therapy. PMID- 29212218 TI - Optimized guide RNA structure for genome editing via Cas9. AB - The genome editing tool Cas9-gRNA (guide RNA) has been successfully applied in different cell types and organisms with high efficiency. However, more efforts need to be made to enhance both efficiency and specificity. In the current study, we optimized the guide RNA structure of Streptococcus pyogenes CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas (CRISPR-associated) system to improve its genome editing efficiency. Comparing with the original functional structure of guide RNA, which is composed of crRNA and tracrRNA, the widely used chimeric gRNA has shorter crRNA and tracrRNA sequence. The deleted RNA sequence could form extra loop structure, which might enhance the stability of the guide RNA structure and subsequently the genome editing efficiency. Thus the genome editing efficiency of different forms of guide RNA was tested. And we found that the chimeric structure of gRNA with original full length of crRNA and tracrRNA showed higher genome editing efficiency than the conventional chimeric structure or other types of gRNA we tested. Therefore our data here uncovered the new type of gRNA structure with higher genome editing efficiency. PMID- 29212219 TI - MicroRNA-126a-5p enhances myocardial ischemia-reperfusion injury through suppressing Hspb8 expression. AB - Previously, we found several genes are involved in myocardial ischemia reperfusion (M-I/R) injury. In this report, we first developed a mouse model of M I/R injury and demonstrated microRNA-126a-5p was associated with the M-I/R injury by using high-throughput microRNA expression analysis. We further investigated the expression and function of microRNA-126a-5p during mouse M-I/R injury. We observed high expression of microRNA-126a-5p in the M-I/R mice and increased levels of LDH and CK-MB (damage markers) in the serum. H2O2 and hypoxia/reoxygenation (H/R) treatment significantly increased the expression of microRNA-126a-5p in H9C2 cells in concentration- and time-dependent manners. Moreover, microRNA-126a-5p overexpression in H9C2 cells inhibited cell viability but increased LDH release and caspase 3 activity. Cardiac function analysis based on the measurements of hemodynamic parameters showed that microRNA-126a-5p expression ablation in M-I/R injured mice led to the reversal of the symptoms caused by M-I/R injury. Transesophageal echocardiography also revealed that the values of LVIDd and LVIDs were decreased while the values of LVFS% and LVEF% were increased in M-I/R injured mice after treatment with microRNA-126a-5p inhibitor, compared with the M-I/R injured mice treated with the control. Bioinformatic analysis demonstrated that Hspb8, a protective protein in myocardium, was the target of microRNA-126a-5p. Thus, these findings indicated that microRNA-126a-5p was up-regulated in mouse M-I/R model and promoted M-I/R injury in vivo through suppressing the expression of Hspb8, which may shed light on the development of potential therapeutic target for M-I/R injury. PMID- 29212220 TI - A new staging system for nasopharyngeal carcinoma based on intensity-modulated radiation therapy (IMRT). AB - Objective: This study is to establish a new staging system for nasopharyngeal carcinoma (NPC) based on the magnetic resonance imaging (MRI) and intensity modulated radiation therapy (IMRT). Methods: Totally 492 patients with nasopharyngeal carcinoma were included in this study. These patients were diagnosed by pathological detection (without distant metastasis) and underwent the initial treatment of IMRT. These patients were subjected to the staging with the International Union against Cancer/American Joint Committee on Cancer (UICC/AJCC) staging system. Survival rates were calculated by the Kaplan-Meier method. Log-rank test was used to calculate the single factor prognosis, and the COX risk model was used to analyze the multivariate prognosis. Results: In these 492 patients, according to our recommended new T and N staging criteria, there were 290 cases of T1 and 202 cases of T2; there were 64 cases of N0, 159 cases of N1, 226 cases of N2, and 43 cases of N3. Univariate and multivariate analyses showed that the T and N staging combination parameters were independent prognostic factors, which affected the overall survival rates and tumor-free survival rates. According to risk difference and survival curve distribution, the following new clinical staging criteria were established: stage I (T1N0M0), stage II (T1N1M0 and T2N0M0), stage III (T1N2M0 and T2N1-2M0), stage IVa (T1-2N3M0), and stage IVb (TxNxM1). Conclusion: A new staging system for NPC based on MRI and IMRT has been recommended, which provides valuable evidence for disease treatment and prognosis prediction. PMID- 29212221 TI - Inhibited effects of CAPE-pNO2 on cervical carcinoma in vivo and in vitro and its detected metabolites. AB - The development of advanced cervical cancer therapies is a particularly urgent need due to the strong side effects and toxicities of current treatments. Caffeic acid phenethyl ester (CAPE) exhibits broad-spectrum antitumor activities and little toxicity or side effects. In our previous study, caffeic acid para-nitro phenethyl ester (CAPE-pNO2) significantly improved the effect of anti-platelet aggregation and attenuated myocardial ischemia. Based on this finding, we aimed to further explore the antitumor activity of CAPE-pNO2 in cervical cancer cells and tumor xenografts. In addition, we assessed the biotransformation of CAPE-pNO2 in cervical cancer cells. Our study demonstrated that both CAPE and CAPE-pNO2 can inhibit cell proliferation via the induction of G2/M cell cycle arrest. More importantly, CAPE-pNO2 dramatically induced cell apoptosis via significant down regulation of pro-caspase-3, pro-caspase-9, Bcl-2, Cyclin B1 and Cdc2 and up regulation of cleaved-caspase-3, Bax, CytoC and P21Cip1. Moreover, CAPE and CAPE pNO2 significantly suppressed the growth and angiogenesis of nude mice xenografts. CAPE and CAPE-pNO2 were found to degrade into four and six metabolites, respectively. The metabolites of CAPE and CAPE-pNO2 were different, and the major metabolic pathway may be phase II reactions. These results suggest that CAPE-pNO2 induced cell apoptosis and cell cycle arrest via a strong regulatory effect on relevant apoptotic proteins. Therefore, CAPE-pNO2 should be further studied as a potent anti-cancer agent. PMID- 29212222 TI - Antitumor activity of a newly developed monoclonal antibody against ROR1 in ovarian cancer cells. AB - Receptor-tyrosine-kinase-like Orphan Receptor 1 (ROR1) is a tyrosine-protein kinase transmembrane receptor and ROR1 overexpression is associated with a poor prognosis in various cancers, including ovarian cancer. Targeting of ROR1 has been evaluated as a novel cancer therapy strategy. This study developed a novel chimeric anti-ROR1 Fab antibody (named ROR1-cFab) and then assessed the antitumor activity of this antibody in ovarian cancer cells, an in vitro model of preclinical cancer therapy. A ROR1-cFab prokaryotic expression vector was constructed from positive fusion cells (splenocytes from mice with high ROR1 immune titers were fused with myeloma cells) after three rounds of sub-clone affinity screening. Then, a variety of assays were employed to assess the binding selectivity and specificity of ROR1-cFab to ROR1 protein. Furthermore, CCK8, flow cytometric apoptosis, wound healing, and Transwell migration assays were used to assess antitumor activity of this newly developed anti-ROR1 antibody in ovarian cancer cells. We demonstrated that ROR1-cFab could specifically bind to ROR1 protein and ROR1-positive ovarian cancer A2780 cells. Functional assays revealed that ROR1-cFab inhibited tumor cell proliferation and migration, as well as inducing apoptosis of ROR1-positive A2780 cells in a dose dependent manner. These effects were not observed in ROR1-negative lose386 cells. In conclusion, ROR1 cFab is a novel anti-ROR1 antibody with a high affinity to ROR1 protein and inhibitory effects on ROR1-positive cells. Future studies will determine whether the ROR1-cFab might be a promising candidate for treatment of ROR1-positive ovarian cancer. PMID- 29212223 TI - Human renal adipose tissue induces the invasion and progression of renal cell carcinoma. AB - We evaluated the effects of conditioned media (CMs) of human adipose tissue from renal cell carcinoma located near the tumor (hRATnT) or farther away from the tumor (hRATfT), on proliferation, adhesion and migration of tumor (786-O and ACHN) and non-tumor (HK-2) human renal epithelial cell lines. Human adipose tissues were obtained from patients with renal cell carcinoma (RCC) and CMs from hRATnT and hRATfT incubation. Proliferation, adhesion and migration were quantified in 786-O, ACHN and HK-2 cell lines incubated with hRATnT-, hRATfT- or control-CMs. We evaluated versican, adiponectin and leptin expression in CMs from hRATnT and hRATfT. We evaluated AdipoR1/2, ObR, pERK, pAkt y pPI3K expression on cell lines incubated with CMs. No differences in proliferation of cell lines was found after 24 h of treatment with CMs. All cell lines showed a significant decrease in cell adhesion and increase in cell migration after incubation with hRATnT-CMs vs. hRATfT- or control-CMs. hRATnT-CMs showed increased levels of versican and leptin, compared to hRATfT-CMs. AdipoR2 in 786-O and ACHN cells decreased significantly after incubation with hRATfT- and hRATnT-CMs vs. control CMs. We observed a decrease in the expression of pAkt in HK-2, 786-O and ACHN incubated with hRATnT-CMs. This result could partially explain the observed changes in migration and cell adhesion. We conclude that hRATnT released factors, such as leptin and versican, could enhance the invasive potential of renal epithelial cell lines and could modulate the progression of the disease. PMID- 29212224 TI - HADC5 deacetylates MKL1 to dampen TNF-alpha induced pro-inflammatory gene transcription in macrophages. AB - Macrophage-dependent inflammatory response on the one hand functions as a key line of defense in host immunity but on the other hand underlies the pathogenesis of a host of human pathologies when aberrantly activated. Our previous investigations have led to the identification of megakaryocytic leukemia 1 (MKL1) as a key co-factor of NF-kappaB/p65 participating in TNF-alpha induced pro inflammatory transcription in macrophages. How post-translational modifications contribute to the modulation of MKL1 activity remains an underexplored subject matter. Here we report that the lysine deacetylase HDAC5 interacts with and deacetylates MKL1 in cells. TNF-alpha treatment down-regulates HDAC5 expression and expels HDAC5 from the promoters of pro-inflammatory genes in macrophages. In contrast, over-expression of HDAC5 attenuates TNF-alpha induced pro-inflammatory transcription. Mechanistically, HDAC5-mediated MKL1 deacetylation disrupts the interaction between MKL1 and p65. In addition, deacetylation of MKL1 by HDAC5 blocks its nuclear translocation in response to TNF-alpha treatment. In conclusion, our work has identified an important pathway that contributes to the regulation of pro-inflammatory response in macrophages. PMID- 29212225 TI - The relevance of prelamin A and RAD51 as molecular biomarkers in cervical cancer. AB - Along with their role in the maintenance of nuclear architecture, nuclear lamins also control genomic stability, DNA damage repair, transcription, cell proliferation, differentiation and senescence. Recent reports reveal that prelamin A-processing defects play a role in cancer development by impacting on transcription of key players in the maintenance of the genome stability, including RAD51. Here, we performed a 'proof of concept' study evaluating the role of prelamin A and RAD51 expression in clinical outcome of cervical cancer patients. We analyzed biomarker expression by immunohistochemistry in tumor material from locally advanced cervical cancer (LACC) patients (n=66) and correlated data with clinicopathological parameters and with response to neoadjuvant chemoradiation (CT/RT). In LACC patients who underwent neoadjuvant CT/RT the percentage of cases showing high prelamin A levels was greater in patients who completely responded to treatment (25 of 40, 62.5%) than in patients with macroscopic residual tumor (6 of 26, 23.1%, p=0.0024). Conversely, patients showing high RAD51 expression were less likely to respond to treatment (14 of 26, 53.8%) than were those with low protein levels (12 of 40, 30%, p=0.072). Only prelamin A retained an independent role in predicting response to treatment (p=0.003), while RAD51 approached statistical significance (p=0.07). Notably, high RAD51 expression highly significantly predicted poor outcome, emerging as an independent prognostic factor for disease free survival (p=0.038), while approaching statistical significance for overall survival (p=0.09). Our findings provide a framework for future prospective studies investigating molecular predictors of response to neoadjuvant chemoradiotherapy in LACC patients. PMID- 29212226 TI - Transcribed ultraconserved region Uc.63+ promotes resistance to docetaxel through regulation of androgen receptor signaling in prostate cancer. AB - Docetaxel is the standard chemotherapy for metastatic castration-resistant prostate cancer (CRPC). However, nearly all patients ultimately become refractory due to the development of docetaxel resistance. The transcribed ultraconserved regions (T-UCRs) are a novel class of non-coding RNAs that are absolutely conserved across species and are involved in carcinogenesis including prostate cancer (PC). In this study, we investigated the transcriptional levels of 26 representative T-UCRs and determined the regions that were differentially expressed in PC. Quantitative real-time polymerase chain reaction analysis revealed that the expression of T-UCR Uc.63+ was increased in PC tissues. MTT assay and wound healing assay revealed that Uc.63+ was involved in cell growth and cell migration. miR-130b was predicted to have binding sites within the Uc.63+ sequence. The expression of miR-130b was significantly disturbed by the overexpression or knockdown of Uc.63+. We also showed that Uc.63+ regulated the expression of MMP2 via miR-130b regulation. Furthermore, overexpression of Uc.63+ increased the expression of AR and its downstream molecule PSA and promoted resistance to docetaxel through AR regulation. In patients treated with docetaxel, the expression of serum Uc.63+ in the docetaxel-resistant patients was higher than that in the docetaxel-sensitive patients (P = 0.011). Moreover, Kaplan-Meier analysis showed that the high expression of serum Uc.63+ correlated with a worse prognosis (P = 0.020). These results substantially support the important role that Uc.63+ plays in PC progression by interacting with miR-130b and indicate that Uc.63+ could potentially be a promising serum marker for deciding the best treatment for patients with CRPC. PMID- 29212227 TI - Shift in energy metabolism caused by glucocorticoids enhances the effect of cytotoxic anti-cancer drugs against acute lymphoblastic leukemia cells. AB - Acute lymphoblastic leukemia (ALL) is the most common childhood malignancy. Treatments include glucocorticoids (GCs) such as dexamethasone (Dex) and prednisolone, which may be of value when used alongside cytotoxic anti-cancer drugs. To predict therapeutic efficacy of GCs, their activity against ALL cells is usually examined prior to chemotherapy; however, few studies have examined their effects when used in combination with other drugs. The paradox is that cytotoxic anti-cancer drugs that are effective against proliferating cancer cells show synergistic effects when used with GCs that prevent cell proliferation. To address this point, we investigated intracellular energy metabolism in ALL CCRF CEM cell clones classified according to their sensitivity to Dex and cytotoxic anti-cancer drugs in bulk cultures of mixed cells. We found that Dex suppressed glycolysis, the most important metabolic system in cancer cells, in cells that were damaged by etoposide (a cytotoxic anti-cancer drug), and the cells showed a concomitant increase in mitochondrial oxidative phosphorylation. Furthermore, autophagy, an intracellular bulk degradation system, regulated mitochondrial viability. We also found that mitochondria, whose function is enhanced by Dex, were susceptible to anti-cancer drugs that inhibit respiratory complexes (e.g., etoposide and daunorubicin), resulting in increased production of reactive oxygen species and subsequent cytotoxicity. Taken together, the present study points the way toward a more accurate prediction of the sensitivity of ALL cells to the combined action of anti-cancer drugs and GCs, by taking into consideration the shift in intracellular energy metabolism caused by GCs: namely, from glycolysis to mitochondrial oxidative phosphorylation mediated by autophagy. PMID- 29212228 TI - Inhibition of tumor cell growth by adenine is mediated by apoptosis induction and cell cycle S phase arrest. AB - Gekko swinhonis has a long standing history in Chinese traditional medicine recognized for its application in treating patients with terminal cancer.In order to discover novel anticancer drugs with high anti-tumor efficacy and low toxicity to normal cells, we aim to investigate the anti-tumor components from Gekko swinhonis. Four nucleosides from the extracted samples were enriched, namely adenosine, guanosine, thymidine and inosine. We evaluated the antitumor effect of the four nucleosides and found that adenosine possessed the strongest anti-tumor effect. Besides, adenine could inhibit the growth of Bel-7402 and Hela cells in a dose and time dependent manner, but not normal human cervical keratinocytes. Bel 7402 and Hela cells had undergone apoptosis 48 hours after treatment as evidenced by morphologic changes under TEM, while adenine blocked cell cycle of tumor cells at S phase and subsequently causing cell cycle exit and promoting apoptosis. Moreover, the pharmacokinetics of adenine was stable in cell culture medium for up to 72 hours. Combining its potency with stability, we conclude adenine makes a promising candidate for an anti-tumor drug. PMID- 29212229 TI - Solid formulation of a supersaturable self-microemulsifying drug delivery system for valsartan with improved dissolution and bioavailability. AB - In order to improve the dissolution and oral bioavailability of valsartan (VST), and reduce the required volume for treatment, we previously formulated a supersaturable self-microemulsifying drug delivery system (SuSMEDDS) composed of VST (80 mg), Capmul(r) MCM (13.2 mg), Tween(r) 80 (59.2 mg), Transcutol(r) P (59.2 mg), and Poloxamer 407 (13.2 mg). In the present study, by using Florite(r) PS-10 (119.1 mg) and Vivapur(r) 105 (105.6 mg) as solid carriers, VST-loaded solidified SuSMEDDS (S-SuSMEDDS) granules were successfully developed, which possessed good flow properties and rapid drug dissolution. By introducing croscarmellose sodium (31 mg) as a superdisintegrant, S-SuSMEDDS tablets were also successfully formulated, which showed fast disintegration and high dissolution efficiency. Preparation of granules and tablets was successfully optimized using D-optimal mixture design and 3-level factorial design, respectively, resulting in percentage prediction errors of <10%. In pharmacokinetic studies in rats, the relative bioavailability of the optimized granules was 107% and 222% of values obtained for SuSMEDDS and Diovan(r) powder, respectively. Therefore, we conclude that novel S-SuSMEDDS formulations offer great potential for developing solid dosage forms of a liquefied formulation such as SuSMEDDS, while improving oral absorption of drugs with poor water solubility. PMID- 29212230 TI - MALAT1-miR-101-SOX9 feedback loop modulates the chemo-resistance of lung cancer cell to DDP via Wnt signaling pathway. AB - Cisplatin (DDP)-based chemotherapy is a standard strategy for lung cancer, while chemoresistance remains a major therapeutic challenge. Recent evidence highlights the crucial regulatory roles of long non-coding RNAs (lncRNA) in tumor biology. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) has important roles in regulating the proliferation, invasion and migration of lung cancer cell. High MALAT1 expression in lung cancer was related to poorer clinicopathologic features in this study. MALAT1 knockdown alone was sufficient to amplify DDP-induced repression of cell viability. MALAT1 knockdown could also sensitized DDP-resistant lung cancer cells (A549/DDP and H1299/DDP) to DDP. Further assays indicated that MALAT1 acted as a competing endogenous RNA to upregulate SOX9 expression by sponging miR-101 in DDP-resistant cancer cells, through Wnt signaling pathway. Moreover, SOX9 could bind to the promoter of MALAT1 to activate its transcription. Taken together, MALAT1, miR-101 and SOX9 form a feedback loop to enhance the chemo-resistance of lung cancer cell to DDP; this MALAT1-miR-101-SOX9 feedback loop plays an important role in the chemo resistance of lung cancer cell to DDP and may serve as a potential target for cancer treatment. PMID- 29212231 TI - ZBP-89 function in colonic stem cells and during butyrate-induced senescence. AB - ZBP-89 (Zfp148, ZNF148) is a Kruppel-type zinc-finger family transcription factor that binds to GC-rich DNA elements. Earlier studies in cell lines demonstrated that ZBP-89 cooperates with Wnt beta-catenin signaling by inducing beta-catenin gene expression. Since beta-catenin levels are normally highest at the crypt base, we examined whether ZBP-89 is required for stem cell maintenance. Lineage tracing using a Zfp148CreERT2 transgenic line demonstrated expression in both intestine and colonic stem cells. Deleting the Zfp148 locus in the colon using the Cdx2NLSCreERT2 transgene, reduced the size and number of polyps formed in the Apc-deleted mice. Since colon polyps form in the presence of butyrate, a short chain fatty acid that suppresses cell growth, we examined the direct effect of butyrate on colon organoid survival. Butyrate induced senescence of colon organoids carrying the Apc deletion, only when Zfp148 was deleted. Using quantitative PCR and chromatin immunoprecipitation, we determined that butyrate treatment of colon cell lines suppressed ZNF148 gene expression, inducing CDKN2a (p16Ink4a ) gene expression. Collectively, Zfp148 mRNA is expressed in CBCs, and is required for stem cell maintenance and colonic transformation. Butyrate induces colonic cell senescence in part through suppression of ZBP-89 gene expression and its subsequent occupancy of the CDKN2A promoter. PMID- 29212232 TI - The effects of FK1706 on nerve regeneration and bladder function recovery following an end-to-side neurorrhaphy in rats. AB - Background: Immunophilin ligands are neuroregenerative agents binding to FK506 binding proteins, by which stimulate recovery of neurons in a variety of injury nerves. FK1706 is a novel immunophilin ligand which has neuroprotective and neuroregenerative effects but without immunosuppressive activity. At present, most reports about FK1706 in ameliorating nerve injury and functional recovery are limited to cavernous nerve injury and erectile function recovery. This study aimed to demonstrate the effects of FK1706 on nerve regeneration and bladder function recovery following an end-to-side neurorrhaphy in rat models. Method: The numbers of regenerated myelinated axons of the pelvic parasympathetic nerve (PPN) in the three groups' rats (FK1706 + ETS, ETS and control groups) were evaluated. Their intravesical pressure (IVP), S100beta and growth associated protein 43 (GAP43) expressions were also compared. Results: In FK1706 + ETS group, 90% the rats showed that the frequency of FG labeled neurons was larger than the 3.5 cutoff value, 100% the rats showed that the frequency of FG-FB double-labeled neurons was larger than the 5.5 cutoff value. The average maximum of IVP in FK1706 + ETS group reached 76.3% of the value in control group. Their average number of myelinated axons of regenerated PPN reached 80% of the amount in control group. The nerve regeneration-associated markers data indicated that the expression level of S100beta and GAP43 in FK1706 + ETS group was approximately 2-fold higher than that of ETS group (P < 0.05). Conclusions: After end-to-side neurorrhaphy, FK1706 effectively enhanced the nerve regeneration and bladder function recovery. PMID- 29212233 TI - LncRNA XIST acts as a tumor suppressor in prostate cancer through sponging miR 23a to modulate RKIP expression. AB - Accumulating evidences have indicated that aberrant expression of long non-coding RNAs (LncRNAs) is tightly associated with cancer development. Previous studies have reported that lncRNA XIST regulates tumor malignancies in several cancers. However, the underlying mechanism of XIST in prostate cancer remains unclear. In the current study, we found that XIST was down-regulated in prostate cancer specimens and cell lines. Low expression of XIST was correlated with poor prognosis and advanced tumor stage in prostate cancer patients. In gain and loss of function assays, we confirmed that XIST suppressed cellular proliferation and metastasis in prostate cancer both in vitro and in vivo. Furthermore, we found that XIST negatively regulates the expression of miR-23a and subsequently promotes RKIP expression at post-transcriptional level. Consequently, we investigated the correlation between XIST and miR-23a, and identified miR-23a as a direct target of XIST. In addition, over-expression of miR-23a efficiently abrogated the up-regulation of RKIP induced by XIST, suggesting that XIST positively regulates the expression of RKIP by competitively binding to miR-23a. Taken together, our study indicated that lncRNA XIST acts as a tumor suppressor in prostate cancer, and this regulatory effect of XIST will shed new light on epigenetic diagnostics and therapeutics in prostate cancer. PMID- 29212234 TI - Development and validation of a prognostic nomogram for IgA nephropathy. AB - IgA nephropathy (IgAN) shows strong heterogeneity between individuals. IgAN prognosis is associated with pathological lesions and clinical indicators. However, simple tools for evaluating the clinical prognosis remain inadequate. Our objective was to develop an intuitive estimation tool for predicting the IgAN prognosis. 349 patients with IgAN at The Chinese People's Liberation Army General Hospital were retrospectively analyzed from data between 2000 and 2006. A nomogram was developed using COX regression coefficients to predict decline of estimate Glomerular filtration rate (eGFR) >= 50% and end-stage renal disease (ESRD). The discriminative ability and predictive accuracy of the nomogram was determined via concordance index (C-index) and calibration curve. The results were verified in an independent validation cohort. In the derivation cohort, the nomogram was developed using mesangial hypercellularity, tubular atrophy/interstitial fibrosis, average proteinuria (A-P), and average mean arterial pressure (A-MAP) during hospitalization. The C-index of the nomogram was 0.88 (95% CI, 0.80 to 0.96). The calibration curve showed good agreement between prediction and actual observation. Furthermore, the nomogram demonstrated good discrimination (C-index = 0.87, 95% CI 0.78 to 0.95) and calibration in the validation cohort. The nomogram could predict the prognosis of IgAN effectively and intuitively. PMID- 29212235 TI - AGER rs2070600 polymorphism elevates neutrophil-lymphocyte ratio and mortality in metastatic lung adenocarcinoma. AB - Background: The receptor for advanced glycation end-product (RAGE) is a multi ligand receptor involved in inflammation. In the gene encoding RAGE (AGER), there are three well-known polymorphisms; rs2070600, rs1800624, and rs1800625, which potentially increase the risk of lung cancer. Remarkably, AGER rs2070600 polymorphism, which increases ligand-binding affinity, is a potential prognostic factor in non-small cell lung cancer, but the underlying mechanism is unclear. The neutrophil-lymphocyte ratio (NLR) reflects tumor-associated systemic inflammatory conditions; high ratios are associated with poor prognosis in multiple cancers. Additionally, some humoral factors via RAGE-signaling are associated with elevated NLR in cancer patients. Objectives: Associations of AGER polymorphisms with disease susceptibility, prognosis, and NLR were investigated in Japanese patients with lung adenocarcinoma. Methods: We included 189 patients with lung adenocarcinoma, 96 of which had distant metastases, and 303 healthy controls. The correlation between AGER polymorphisms (rs2070600, rs1800624, rs1800625) and disease susceptibility and factors elevating the mortality and NLR in patients with metastases were evaluated. Results: Only the minor allele of rs2070600 was associated with a higher NLR (beta = 0.209, p = 0.043) and a poor prognosis (Hazard ratio = 2.06, 95% Confidence interval = 1.09-3.77, p = 0.028) in patients with metastatic disease, independently of background characteristics, including EGFR mutation status. All three polymorphisms were not associated with the risk of lung adenocarcinoma. Conclusions: The AGER rs2070600 polymorphism was independently associated with systemic inflammation and poor prognosis in patients with metastatic lung adenocarcinoma. PMID- 29212236 TI - Growth differentiation factor 15 mediates epithelial mesenchymal transition and invasion of breast cancers through IGF-1R-FoxM1 signaling. AB - Expression of the inflammatory cytokine growth differentiation factor 15 (GDF15) is significantly elevated in many tumor types in association with epithelial mesenchymal transition (EMT), drug resistance, and progressive disease. However, few studies have examined GDF15 expression, signaling, or function in breast cancer. In the current study, we demonstrate that GDF15 is associated with high tumor grade, ER-negativity, and HER2 overexpression in patients with breast cancer. Stable overexpression of GDF15 upregulates expression of mesenchymal markers and transcription factors, including FoxM1, and increases cellular invasion. GDF15 stable clones and breast cancer cells stimulated with recombinant human GDF15 (rhGDF15) demonstrate activation of insulin-like growth factor-1 receptor (IGF-1R), EMT, and invasion. Pharmacologic inhibition of IGF-1R reduces GDF15-mediated EMT and invasion in stable clones, and FoxM1 knockdown rescues invasion and EMT in GDF15 stable clones and rhGDF15-stimulated cells. These data suggest that IGF-1R-FoxM1 signaling is a potential mechanism through which GDF15 drives EMT and invasion of breast cancers. Further, GDF15 knockdown significantly inhibits invasion of HER2-overexpressing and triple-negative breast cancer cells, supporting further preclinical investigation of GDF15-targeted therapies. PMID- 29212237 TI - Association of type 2 diabetes mellitus and ratio of transmitral E wave velocity to early diastole mitral velocity with cardiovascular events in chronic kidney disease. AB - The association between DM and left ventricular diastolic dysfunction, assessed using the ratio of peak early transmitral filling wave velocity (E) to early diastolic velocity of mitral annulus (Ea), with cardiovascular (CV) outcomes in patients with chronic kidney disease (CKD) remains uncertain. This study included 356 CKD stage 3-5 patients underwent echocardiography. All patients were classified into four groups based on the presence of DM and E/Ea <= or > 9. CV events included CV death, hospitalization for heart failure, unstable angina or nonfatal myocardial infarction, sustained ventricular arrhythmia, transient ischemic attack, and stroke. There were 58 CV events during the mean observation period of 25.0 months. A combination of the presence of DM and E/Ea > 9 (vs. a combination of non-DM and E/Ea <= 9) was associated with CV events in unadjusted model (hazard ratio [HR], 6.990; 95% confidence interval [CI], 2.753-17.744; p < 0.001), and in a multivariate adjusted model (HR, 3.037; 95% CI, 2.088-7.177; p = 0.025). In the patients without DM, the E/Ea ratio (p = 0.033) improved the prediction of CV events, compared to the E/Ea ratio (p = 0.018), left atrial diameter (p = 0.016) and left ventricular mass index (p = 0.001) in the patients with DM. The combination of DM and left ventricular diastolic dysfunction was associated with CV events in patients with CKD stage 3-5. Assessments of DM status and E/Ea ratio may facilitate identifying high-risk patient population of unfavorable CV outcomes. PMID- 29212238 TI - Quantification of circulating cell-free DNA to predict patient survival in non small-cell lung cancer. AB - We used computed tomography (CT) to explore the prognostic value of cell-free (cf) DNA quantification and its predictive efficacy over time after chemotherapy in non-small-cell lung cancer (NSCLC) patients. In total, 177 NSCLC patients were enrolled in a prospective biomarker trial. Consecutive paired blood collection was performed to determine cfDNA concentrations at baseline CT and throughout serial follow-ups. The best cfDNA cut-off value to predict progression-free and overall survival was determined using X-tile analysis. Among 112 chemo-naive patients with stage IV adenocarcinoma, 43 were available for follow-up analysis. Cox regression multivariate analysis indicated that a high cfDNA concentration was an independent negative prognostic factor for progression-free survival (hazard ratio: 2.60; 95% confidence interval: 1.65-4.10; p = 0.008) and overall survival (hazard ratio: 2.63; 95% confidence interval: 1.66-4.17; p < 0.001). However, cfDNA concentration changes during treatment did not correlate with radiological CT responses at first follow-up or best response. No pattern was noted in the percent change in the cfDNA concentration from baseline or subsequently measured level to progression. The serum cfDNA concentration is thus associated with NSCLC patient prognosis, but does not appear to be a clinically valid marker for tumor responses. PMID- 29212239 TI - Effects of lentivirus-mediated endostatin on endothelial progenitor cells. AB - Endothelial progenitor cells (EPCs) are candidates for gene therapies against retinal neovascularization (NV). The aim of present study was to investigate the effects of endostatin transfection on EPC function. In the present study, the EPCs were infected with lentivirus overexpressing endostatin. The transfection effects of endostatin overexpression on the proliferation, migratory, differentiation, apoptosis and the cell cycle of this cell line were determined. The real-time quantitative polymerase chain reaction (RT-qPCR) and western blot assays showed high expression levels of endostatin. A cell counting kit-8 assay showed that endostatin overexpression inhibited EPC proliferation. The transwell assay indicated that endostatin overexpression could suppress EPC migration. Furthermore, endostatin overexpression enhanced apoptosis (as showed by AnnexinV FITC/propidiumiodide staining analysis), induced differentiation and blocked the cell cycle. As compared with negative control group, EPC viability significantly decreased in gene transfection group. In conclusion, present study determined the feasibility of lentivirus-mediated endostatin gene transfer, and indirectly proved the effect of endostatin secretion on EPCs. Also our study provided a new opportunity for the potential application of gene therapy in retinal NV. PMID- 29212240 TI - LDB2 inhibits proliferation and migration in liver cancer cells by abrogating HEY1 expression. AB - Hepatocellular carcinoma (HCC) was one of the most common cancers around the world, has very low 5-year survival rate. However, the mechanism of HCC occurrence and development is largely unknown. LDB2 belongs to the LIM-domain binding family and functions as an adaptor for transcriptional regulation. Here we found that LDB2 is downregulated in HCC samples. LDB2 has the ability to inhibit proliferation and migration of hepatocarcinoma cells. We found that the proliferation and migration abilities in HCC sample cells were impaired after LDB2 overexpression and vice versa. In mechanism, we found that LDB2 can recruit BRD7 to HEY1 promoter and then block its expression. HEY1 whose expression is upregulated in HCC acts as an oncogene. In brief, our research reveals a new regulatory mechanism for hepatocarcinoma cell proliferation and migration. PMID- 29212241 TI - Prognostic group stratification and nomogram for predicting overall survival in patients who received radiotherapy for abdominal lymph node metastasis from hepatocellular carcinoma: a multi-institutional retrospective study (KROG 15-02). AB - Objective: To develop a prognostic model for overall survival (OS) in hepatocellular carcinoma (HCC) patients receiving radiotherapy (RT) to metastatic abdominal lymph nodes (LNs). Materials and Methods: Two hundred twenty-eight patients treated with RT to metastatic abdominal LNs were retrospectively reviewed. Results: Median OS in all patients was 11.1 months. LN responders had significantly higher median OS than non-responders (14.2 months vs. 7.5 months, p<0.05). On multivariate analysis, Child-Pugh classification, status of intrahepatic tumor, presence of distant metastasis, number and location of metastatic LNs, serum level of alpha fetoprotein (AFP), and the LN response to RT were significant prognostic factors for OS (p < 0.05 each). Based on the results of multivariate analysis, prognostic group stratification according to the number of pre-treatment risk factors was a significant predictor of OS, and median OS in patients with >= 4, 3, 2, 1, and 0 risk factors were 2.9, 5.5, 10.3, 13.6, and 27.8 months, respectively (p<0.05). A nomogram was formulated by integrating the different prognostic contribution of each factor, and it showed good accuracy for predicting 2-year OS with a concordance index of 0.72. Conclusion: Prognostic group stratification and nomogram could be useful prognostic and therapeutic indicators in selecting treatment strategies. PMID- 29212243 TI - Effects of silencing Rab27a gene on biological characteristics and chemosensitivity of non-small cell lung cancer. AB - Rab27a, a member of the Rab protein family, can regulate the tumor microenvironment and promote the development of the tumor. Elevated expression of Rab27a is closely connected with many human cancers containing non-small cell lung cancer (NSCLC). But the role of Rab27a in non-small cell lung cancer and its possible mechanism is particularly unclear. In this research, we explored the effect of silencing Rab27a in vitro and in vivo, furnishing evidence that Rab27a could be a potential therapeutic target in NSCLC. Compared with corresponding control cells, silencing Rab27a had decreased ability of cell proliferation, migration and invasion in vitro and slower growth of xenograft tumors in mice. The expressions of apoptosis-associated proteins were induced with a reduction of anti-apoptotic protein in the NSCLC cells down-regulated Rab27a. Furthermore, Rab27a was associated with resistance to conventional chemotherapeutic agents. Our findings suggested that Rab27a might play a critical role in increasing chemosensitivity in NSCLC. PMID- 29212242 TI - Bovine herpesvirus 1 tegument protein UL21 plays critical roles in viral secondary envelopment and cell-to-cell spreading. AB - Bovine herpesvirus 1 (BoHV-1) UL21 is a tegument protein thought to be indispensable for efficient viral growth but its precise function in BoHV-1 is currently unknown. To determine the function of UL21 in BoHV-1 replication, we constructed a mutant virus bearing a UL21 deletion (vBoHV-1-?UL21) and its revertant virus, vBoHV-1-?UL21R, in which the UL21 gene was restored using a bacterial artificial chromosome system. The replication of vBoHV-1-?UL21 was 1,000-fold lower and its plaque size was 85% smaller than those of the wild-type virus (BoHV-1). An ultrastructural analysis showed that deletion of UL21 led to an un-enveloped capsid accumulation in the cytoplasm, whereas nucleocapsid egress was not impaired, suggesting that UL21 is critical for secondary envelopment in BoHV-1. Co-immunoprecipitation assays revealed that HA-tagged UL21 pulled down UL16, suggesting that these two proteins form a complex, and this was further confirmed by a co-immunofluorescence assay. Taken together, these data provide evidence that UL21 plays critical roles in BoHV-1 secondary envelopment, and UL16 is likely to be involved in these activities. PMID- 29212244 TI - Identification of potential prognostic ceRNA module biomarkers in patients with pancreatic adenocarcinoma. AB - Accumulating evidence suggested that long non-coding RNAs (lncRNAs) can function as competing endogenous RNAs (ceRNAs) to interact with other RNA transcripts and ceRNAs perturbation play important roles in cancer initiation and progression including pancreatic adenocarcinoma (PAAD). In this study, we constructed a PAAD specific hallmark gene-related ceRNA network (HceNet) using paired genome-wide expression profiles of mRNA, lncRNA and miRNA and regulatory relationships between them. Based on "ceRNA hypothesis", we analyzed the characteristics of HceNet and identified a ceRNA module comprising of 29 genes (12 lncRNAs, two miRNAs and 15 mRNAs) as potential prognostic biomarkers related to overall survival of patients with PAAD. The prognostic value of ceRNA module biomarkers was further validated in the train (Hazard Ratio (HR) =1.661, 95% CI: 1.275 2.165, p<1.00e-4), test (HR=1.546, 95% CI: 1.238-1.930, p<1.00e-4), and entire (HR=1.559, 95% CI: 1.321-1.839, p<1.00e-4) datasets. Our study provides candidate prognostic biomarkers for PAAD and increases our understanding of ceRNA-related regulatory mechanism in PAAD pathogenesis. PMID- 29212245 TI - RBR-type E3 ubiquitin ligase RNF144A targets PARP1 for ubiquitin-dependent degradation and regulates PARP inhibitor sensitivity in breast cancer cells. AB - Poly(ADP-ribose) polymerase 1 (PARP1), a critical DNA repair protein, is frequently upregulated in breast tumors with a key role in breast cancer progression. Consequently, PARP inhibitors have emerged as promising therapeutics for breast cancers with DNA repair deficiencies. However, relatively little is known about the regulatory mechanism of PARP1 expression and the determinants of PARP inhibitor sensitivity in breast cancer cells. Here, we report that ring finger protein 144A (RNF144A), a RING-between-RING (RBR)-type E3 ubiquitin ligase with an unexplored functional role in human cancers, interacts with PARP1 through its carboxy-terminal region containing the transmembrane domain, and targets PARP1 for ubiquitination and subsequent proteasomal degradation. Moreover, induced expression of RNF144A decreases PARP1 protein levels and renders breast cancer cells resistant to the clinical-grade PARP inhibitor olaparib. Conversely, knockdown of endogenous RNF144A increases PARP1 protein levels and enhances cellular sensitivity to olaparib. Together, these findings define RNF144A as a novel regulator of PARP1 protein abundance and a potential determinant of PARP inhibitor sensitivity in breast cancer cells, which may eventually guide the optimal use of PARP inhibitors in the clinic. PMID- 29212246 TI - The interaction between NOLC1 and IAV NS1 protein promotes host cell apoptosis and reduces virus replication. AB - NS1 of the influenza virus plays an important role in the infection ability of the influenza virus. Our previous research found that NS1 protein interacts with the NOLC1 protein of host cells, however, the function of the interaction is unknown. In the present study, the role of the interaction between the two proteins in infection was further studied. Several analyses, including the use of a pull-down assay, Co-IP, western blot analysis, overexpression, RNAi, flow cytometry, etc., were used to demonstrate that the NS1 protein of H3N2 influenza virus interacts with host protein NOLC1 and reduces the quantity of NOLC1. The interaction also promotes apoptosis in A549 host cells, while the suppression of NOLC1 protein reduces the proliferation of the H3N2 virus. Based on these data, it was concluded that during the process of infection, NS1 protein interacts with NOLC1 protein, reducing the level of NOLC1, and that the interaction between the two proteins promotes apoptosis of host cells, thus reducing the proliferation of the virus. These findings provide new information on the biological function of the interaction between NS1 and NOLC1. PMID- 29212247 TI - A six-mRNA signature model for the prognosis of head and neck squamous cell carcinoma. AB - Head and neck squamous cell carcinoma (HNSCC), one of the most common cancers with high morbidity and mortality rates worldwide, has a poor prognosis. The transcriptome sequencing data of 500 patients with HNSCC in the TCGA dataset were assessed to find biomarkers associated with HNSCC prognosis so as to improve the prognosis of patients with HNSCC. The patients were divided into the training and testing sets. A model of six mRNAs (FRMD5, PCMT1, PDGFA, TMC8, YIPF4, ZNF324B) that could predict patient prognosis was identified in the training set using the Cox regression analysis. According to this model, the patients were divided into high-risk and low-risk groups. The Kaplan-Meier analysis showed that the high risk group showed significantly shorter overall survival time compared with the low-risk group in both training and testing sets. The receiver operating characteristic analysis further confirmed high sensitivity and specificity for the model, which was more accurate compared with some known biomarkers in predicting HNSCC prognosis. Moreover, the model was applicable to patients of different ages, genders, clinical stages, tumor locations, smoking history, and human papillomavirus (HPV) status, as well as to microarray dataset. This model could be used as a novel biomarker for the prognosis of HNSCC and a significant tool for guiding the clinical treatment of HNSCC. The risk score acquired from the model might contribute to improving outcome prediction and management for patients with HNSCC, indicating its clinical significance. PMID- 29212248 TI - Impact of complement component 3/4/5 single nucleotide polymorphisms on renal transplant recipients with antibody-mediated rejection. AB - Antibody-mediated rejection (ABMR) is an important risk of allograft dysfunction in kidney transplantation. The complement system is considered to be associated with the generation of alloreative antibodies and donor-specific antibodies. However, the association of complement single nucleotide polymorphisms (SNPs) with ABMR still remained unclear. Blood samples of 199 renal transplant recipients containing 68 with ABMR and 131 with stable graft function were collected, and analyzed by next-generation sequencing with an established gene panel. High quality readout was obtained in 18 C3 SNPs, 9 C4 SNPs and 22 C5 SNPs. Concerning C3 gene polymorphisms, after being adjusted with age, sex and immunosuppressive protocols, rs10411506 and rs2230205 were found to be statistically associated with ABMR in dominant model (rs10411506: OR=2.73, 95% CIs: 1.16, 6.68, P=0.028; rs2230205: OR=2.52, 95% CIs: 1.07, 5.92, P=0.034); rs10411506, rs2230205 and rs2230201 were found different in HET model (rs10411506: OR=3.05, 95% CIs: 1.22, 7.64, P=0.017; rs2230205: OR=2.90, 95% CIs: 1.20, 7.00, P=0.018; rs2230201: OR=2.41, 95% CIs: 1.03, 5.64, P=0.042). The linkage analysis showed relatively high linkage disequilibrium among these SNPs. In addition, no significant correlation was found between C4 SNPs, or C5 SNPs, and the development of ABMR. Our study firstly identified the two SNPs (rs10411506 and rs2230205) in C3 gene were statistically correlated with ABMR in kidney transplantation. These findings may have implications for the diagnosis and prevention of ABMR. PMID- 29212249 TI - Long non-coding RNA XIST promotes cell growth and metastasis through regulating miR-139-5p mediated Wnt/beta-catenin signaling pathway in bladder cancer. AB - Bladder cancer is one of the most common urological malignancy all over the world. Recently, long non-coding RNA (lncRNA) XIST has been identified as an oncogenic gene in several type of cancers. However, the expression level and functional role of XIST in bladder cancer remain largely unknown. In the present study, we found that XIST was significantly up-regulated in bladder cancer tissues and cell lines, and was correlated with poor prognosis of bladder cancer patients. Furthermore, XIST knockdown significantly inhibited bladder cancer cell growth and metastasis in vitro and tumor growth in vivo. We also demonstrated that XIST acted as a competing endogenous RNA for miR-139-5p and repression of miR-139-5p could restore the inhibitory effects on bladder cancer cells induced by XIST shRNA. In addition, we identified that Wnt1 was a direct target of miR 139-5p, and XIST played the oncogenic role in bladder cancer by activating the Wnt/beta-catenin signaling pathway. Taken together, our study suggested that lncRNA XIST may serve as a prognostic biomarker and a potential therapeutic target for bladder cancer. PMID- 29212250 TI - Histone deacetylase inhibitors reduce differentiating osteoblast-mediated protection of acute myeloid leukemia cells from cytarabine. AB - The bone marrow microenvironment protects acute myeloid leukemia (AML) cells during chemotherapy and is a major factor in relapse. Here, we examined which type(s) of bone marrow cells are responsible for the relapse of AML following treatment with cytarabine (Ara-C), and we identified a means to inhibit this protection. To determine the protective cell type(s), AML cells were treated with Ara-C, and AML cell survival in the presence or absence of osteoblast lineage cells was assessed. Cultured AML cells and patient bone marrow isolates were each significantly protected from Ara-C-induced apoptosis by co-culture with differentiating osteoblasts. Moreover, pretreating differentiating osteoblasts with the histone deacetylase inhibitors (HDACi) vorinostat and panobinostat abrogated the ability of the differentiating osteoblasts to protect AML cells. Together, our results indicate that differentiating osteoblasts have the potential to promote residual AML in the bone marrow following standard chemotherapy and act via a mechanism requiring HDACi-sensitive gene expression. Using HDACi to target the leukemic microenvironment in combination with Ara-C could potentially improve treatment of AML. Moreover, other strategies for manipulating bone marrow osteoblasts may also help eradicate AML cells and reduce relapse. PMID- 29212251 TI - Low fT3 is associated with diminished health-related quality of life in patients with acute coronary syndrome treated with drug-eluting stent: a longitudinal observational study. AB - Acute coronary syndrome (ACS) patients with low triiodothyronine (T3) syndrome characterized by low free T3 (fT3) levels with normal thyroxine (T4) and thyroid stimulating hormone (TSH) have a higher rate of death. The impact of fT3 on Health related quality of life (HRQOL) in patients with ACS is still unknown. 528 ACS patients treated with drug-eluting stent (DES) were included in this prospective, observational study. Patients were classified into low fT3 group (n=126) and normal fT3 group (n=402) according to serum fT3 level. Every patient was prospectively interviewed at baseline and 1 year following percutaneous coronary intervention (PCI). HRQOL was assessed with the use of the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36). Low fT3 patients had poorer HRQOL than normal fT3 patients both at baseline and 1-year follow-up (all p<0.05). During 1-year follow-up, HRQOL scores for all patients were significantly higher than baseline. Low fT3 patients had lesser gains in physical functioning, bodily pain, general health, vitality, social functioning and role emotional (all p<0.05). Generally, low fT3 patients demonstrated less improvement in Physical Component Score (PCS) (p=0.008) and Mental Component Score (MCS) (p=0.001). The percentage of patients reaching MCID for PCS and MCS was lower in low fT3 group than that in normal fT3 group (p<0.001). Multivariate linear regression analyses showed that low level of fT3 was an independent risk factor for PCS and MCS improvements. In conclusion, a low fT3 level is a predictor of worse HRQOL improvement in ACS patients treated with DES. PMID- 29212253 TI - Ataxin-1 is involved in tumorigenesis of cervical cancer cells via the EGFR-RAS MAPK signaling pathway. AB - Ataxin-1 (ATXN1) is a coregulator protein within which expansion of the polyglutamine tract causes spinocerebellar ataxia type 1, an autosomal dominant neurodegenerative disorder. Previously, we reported that ATXN1 regulates the epithelial-mesenchymal transition of cervical cancer cells. In the present study, we demonstrate that ATXN1 is involved in cervical cancer tumorigenesis by promoting the proliferation of human cervical cancer cells. Chromatin immunoprecipitation assays showed that ATXN1 bound to the promoter region within cyclin D1 and activated cyclin D1 transcription, resulting in cell proliferation. ATXN1 promoted cyclin D1 expression through the EGFR-RAS-MAPK signaling pathway. Mouse xenograft tumorigenicity assays showed that ATXN1 downregulation inhibited tumorigenesis in cervical cancer cell lines in nude mice. Human cervical cancer tissue microarrays and immunohistochemical techniques showed that ATXN1 was significantly upregulated in many such tissues. Our results suggest that ATXN1 plays an important role in cervical cancer tumorigenesis and is a prognostic marker for cervical cancer. PMID- 29212252 TI - C-C motif chemokine receptor 1 (CCR1) is a target of the EGF-AKT-mTOR-STAT3 signaling axis in breast cancer cells. AB - The CC motif chemokine receptor 1 (CCR1) has been implicated in tumor invasion and metastasis in numerous cancers. However, the detailed mechanism of CCR1 upregulation in metastatic tumor cells is poorly understood. The aim of this study was to clarify the regulatory mechanism underlying transcriptional activation of the CCR1 gene in response to epidermal growth factor (EGF) stimulation in breast cancer cells. CCR1 was highly expressed in human breast invasive ductal carcinoma (IDC) compared to adjacent normal tissues. Upon EGF stimulation, CCR1 expression was upregulated at the transcriptional level. Promoter analysis showed that signal transducer and activator of transcription 3 (STAT3) is necessary for EGF-induced CCR1 promoter activation, and STAT3 silencing abrogated EGF-induced CCR1 transcription. Pharmacological inhibition and short hairpin RNA-mediated knockdown experiments showed that AKT-dependent mammalian target of rapamycin (mTOR) activation was involved in the phosphorylation of serine-727 of STAT3, which in turn stimulated the transcription of the CCR1 gene. In conclusion, the AKT-mTOR-STAT3 signaling axis contributes to EGF-induced CCR1 expression, which promotes invasion and metastasis in breast cancer cells. We propose that the AKT-mTOR-STAT3 axis is a potential therapeutic target for blocking the invasion and metastasis of breast cancers. PMID- 29212254 TI - Distinct mobilization of leukocytes and hematopoietic stem cells by CXCR4 peptide antagonist LY2510924 and monoclonal antibody LY2624587. AB - Stromal cell-derived factor-1 (SDF-1) and its receptor CXCR4 play a critical role in mobilization and redistribution of immune cells and hematopoietic stem cells (HSCs). We evaluated effects of two CXCR4-targeting agents, peptide antagonist LY2510924 and monoclonal antibody LY2624587, on mobilizing HSCs and white blood cells (WBCs) in humans, monkeys, and mice. Biochemical analysis showed LY2510924 peptide blocked SDF-1/CXCR4 binding in all three species; LY2624587 antibody blocked binding in human and monkey, with minimal activity in mouse. Cellular analysis showed LY2624587 antibody, but not LY2510924 peptide, down-regulated cell surface CXCR4 and induced hematological tumor cell death; both agents have been shown to inhibit SDF-1/CXCR4 interaction and downstream signaling. In animal models, LY2510924 peptide induced robust, prolonged, dose- and time-dependent WBC and HSC increases in mice and monkeys, whereas LY2624587 antibody induced only moderate, transient increases in monkeys. In clinical trials, similar pharmacodynamic effects were observed in patients with advanced cancer: LY2510924 peptide induced sustained WBC and HSC increases, while LY2624587 antibody induced only minimal, transient WBC changes. These distinct pharmacodynamic effects in two different classes of CXCR4 inhibitors are clinically important and should be carefully considered when designing combination studies with immune checkpoint inhibitors or other agents for cancer therapy. PMID- 29212255 TI - Soluble epoxide hydrolase inhibitors, t-AUCB, regulated microRNA-1 and its target genes in myocardial infarction mice. AB - Purpose: Soluble epoxide hydrolase inhibitors (sEHIs) had been demonstrated to produce cardioprotective effects against ischemia-induced lethal arrhythmias, but the exact mechanisms remain unknown. The present study was designed to investigate whether the beneficial effects of sEHIs are related to regulation of microRNA-1, which was a proarrhythmic factor in the ischemic heart. Methods: A mousemyocardial infarction (MI) model was established by ligating the coronary artery. sEHI t-AUCB (0.2, 1, 5 mg/L in drinking-water) was administered daily seven days before MI. The incidence of arrhythmias was assessed by in vivo electrophysiologic studies. miR-1, KCNJ2 (encoding the K+ channel subunit Kir2.1), and GJA1 (encoding connexin 43 [Cx43]) mRNA were measured by real-time PCR; Kir2.1 and Cx43 protein were assessed by western blotting and immunohistochemistry. Results: We demonstrated that sEHIs reduced the myocardium infarct size and incidence of inducible arrhythmias in MI mice. Up-regulation of miR-1 and down-regulation of KCNJ2/Kir2.1 and GJA1/Cx43 mRNA/protein were observed in ischemic myocaridum, whereas administration of sEHIs produced an opposite effect. In addition, miR-1 overexpression inhibited expression of the target mRNA and their corresponding proteins, whereas t-AUCB reversed the effects. Our results further revealed that PI3K/Akt signaling pathway might participate in the negatively regulation of miR-1 by sEHi. Conclusions: We conclude that sEHIs can repress miR-1, thus stimulate expression of KCNJ2/Kir2.1 and GJA1/Cx43 mRNA/protein in MI mice, suggesting a possible mechanism for its potential therapeutic application in ischemic arrhythmias. PMID- 29212256 TI - Matrix metalloproteinase MMP9 maintains epithelial barrier function and preserves mucosal lining in colitis associated cancer. AB - In colitis associated cancer (CAC), chronic inflammation exposes the epithelial mucosal defensive lining to inflammatory mediators such as cytokines and anti microbial peptides (AMPs) causing the dysbiosis of microbiota population and the dysregulation of immune response. Matrix Metalloproteinases (MMPs) are zinc dependent endopeptidases which mediate inflammation, tissue remodeling, and carcinogenesis. MMP9 is undetectable in healthy tissue, although highly upregulated during inflammation and cancer. We have previously shown that MMP9 plays a protective role in CAC opposite to its conventional role of acute inflammation and cancer mediator. In this study, we investigated the mechanistic role of MMP9 in preserving the epithelial mucosal integrity to suppress the progression of tumor microenvironment in CAC. We used transgenic mice constitutively expressing MMP9 in colonic epithelium (TgM9) as an in vivo model and intestinal cell line CaCo2BBE as an in vitro model. We induced CAC with three cycles of dextran sodium sulfate (DSS). We observed that MMP9 expression in colonic epithelium maintains the microbiota. We also observed that MMP9 mediates pro-inflammatory cytokine levels and AMPs but suppresses IL-22 resulting in lower levels of REG3-g and S100A8 AMPs. We also found that MMP9 maintains an efficient barrier function and the integrity of tight junctions. We also observed increased levels of mucin and intestinal trefoil factor among TgM9 mice in CAC. We also found that MMP9 expressing CaCo2BBE cells had increased expressions of EGFR and nuclear transcription factor- specificity protein 1 (Sp1). These data imply that MMP9 acts as a tumor suppressor in CAC by sustaining the epithelial mucosal integrity due to the activation of EGFR-Sp1 signaling pathway. PMID- 29212257 TI - Lentiviral CRISPR/Cas9 nickase vector mediated BIRC5 editing inhibits epithelial to mesenchymal transition in ovarian cancer cells. AB - BIRC5 encodes the protein survivin, a member of the inhibitor of apoptosis family. Survivin is highly expressed in a variety of cancers but has very low expression in the corresponding normal tissues, and its expression is often associated with tumor metastasis and chemoresistance. We report that survivin was highly expressed in ovarian cancer and strongly correlated with patient overall poor survival. For the first time, we provide experimental evidence that survivin is involved in epithelial to mesenchymal transition (EMT) in ovarian cancer cells. Lentiviral CRISPR/Cas9 nickase vector mediated BIRC5 gene editing led to the inhibition of EMT by upregulating epithelial cell marker, cytokeratin 7 and downregulating mesenchymal markers: snail2, beta-catenin, and vimentin in both ovarian cancer SKOV3 and OVCAR3 cells. Consistent with this molecular approach, pharmacological treatment of ovarian cancer cells using a small molecule survivin inhibitor, YM155 also inhibited EMT in these ovarian cancer cell lines. Overexpression of BIRC5 promoted EMT in SKOV3 cells. Using molecular or pharmacological approaches, we found that cell proliferation, migration, and invasion were significantly inhibited following BIRC5 disruption in both cell lines. Inhibition of BIRC5 expression also sensitized cell responses to paclitaxel treatment. Moreover, loss of BIRC5 expression attenuated TGFbeta signaling in both SKOV3 and OVCAR3 cells. Collectively, our studies demonstrated that disruption of BIRC5 expression inhibited EMT by attenuating the TGFbeta pathway in ovarian cancer cells. PMID- 29212258 TI - Diagnostic accuracy of [99mTc]Tc-Sestamibi in the assessment of thyroid nodules. AB - [99mTc]Tc-Sestamibi (MIBI) is an increasingly used tool for evaluation of thyroid nodules. However, there is a lack of evidence about the accuracy of this method in the European population. The aim of this study was to assess the utility of MIBI for the differentiation of thyroid nodules in a large cohort. 161 patients underwent MIBI, followed by a thyroidectomy. We used a dual phase MIBI protocol. Interpretation of the images included a scoring system from 0 (absent) to 3 (increased); this was to provide a scale for the uptake of the thyroid nodule in comparison to the paranodular tissue. Additionally, we evaluated the tracer uptake trend in late images compared to early images. We used the final histopathology as the reference standard. Scores 0-1 in early images, scores 0-2 in late images, and an absence of increasing uptake in the thyroid nodule in late images, showed the best predictive values to exclude malignancy, respectively (negative predictive value (NPV) 89%). Highest sensitivity (91%) for malignant nodules was evident in early images with a score 1-3. Highest specificity (91%) was obtained when the negative was defined as an absence of uptake-increase, in the late images. This study confirms that the most valuable feature of MIBI is the high NPV. Thus, with the appropriate interpretation method, high sensitivity and specificity, and moderate PPV can be obtained. PMID- 29212259 TI - Metabolomics reveals the effect of Xuefu Zhuyu Decoction on plasma metabolism in rats with acute traumatic brain injury. AB - Xuefu Zhuyu Decoction (XFZY), an important traditional Chinese herbal formula, has been reported effective on traumatic brain injury (TBI) in rats. However, its cerebral protection mechanism has not been clarified at the metabolic level. This work aims to explore the global metabolic characteristics of XFZY in rats during the acute phase of TBI on days 1 and 3. A plasma metabolomics method based on gas chromatography-mass spectrometry coupled with univariate analysis and multivariate statistical analysis was performed in three groups (Sham, Vehicle, XFZY). Then, a pathway analysis using MetaboAnalyst 3.0 was performed to illustrate the pathways of therapeutic action of XFZY in TBI. XFZY treatment attenuates neurological dysfunction and cortical lesion volume post-injury on day 3, and reverses the plasma metabolite abnormalities (glutamic acid, lactic acid, 3-hydroxybutyric acid, and ribitol, etc.). These differential metabolites are mainly involved in D-glutamine and D-glutamate metabolism, alanine, aspartate and glutamate metabolism, and inositol phosphate metabolism. Our study reveals potential biomarkers and metabolic networks of acute TBI and neuroprotection effects of XFZY, and shows this metabolomics approach with MetaboAnalyst would be a feasible way to systematically study therapeutic effects of XFZY on TBI. PMID- 29212260 TI - Bioenergetics of acquired cisplatin resistant H1299 non-small cell lung cancer and P31 mesothelioma cells. AB - Acquired cisplatin resistance is a common feature of tumours following cancer treatment with cisplatin and also of non-small cell lung cancer (H1299) and mesothelioma (P31) cell lines exposed to cisplatin. To elucidate the cellular basis of acquired cisplatin resistance, a comprehensive bioenergetic analysis was undertaken. We demonstrate that cellular oxygen consumption was significantly decreased in cisplatin resistant cells and that the reduction was primarily due to reduced mitochondrial activity as a result of reduced mitochondrial abundance. The differential mitochondrial abundance was supported by data showing reduced sirtuin 1 (SIRT1), peroxisome-proliferator activator receptor-gamma co-activator 1-alpha (PGC1alpha), sirtuin 3 (SIRT3) and mitochondrial transcription factor A (TFAM) protein expression in resistant cells. Consistent with these data we observed increased reactive oxygen species (ROS) production and increased hypoxia inducible factor 1-alpha (HIF1alpha) stabilization in cisplatin resistant cells when compared to cisplatin sensitive controls. We also observed an increase in AMP kinase subunit alpha2 (AMPKalpha2) transcripts and protein expression in resistant H1299 cells. mRNA expression was also reduced for cisplatin resistant H1299 cells in these genes, however the pattern was not consistent in resistant P31 cells. There was very little change in DNA methylation of these genes, suggesting that the cells are not stably reprogrammed epigenetically. Taken together, our data demonstrate reduced oxidative metabolism, reduced mitochondrial abundance, potential for increased glycolytic flux and increased ROS production in acquired cisplatin resistant cells. This suggests that the metabolic changes are a result of reduced SIRT3 expression and increased HIF 1alpha stabilization. PMID- 29212261 TI - Cordycepin stimulates autophagy in macrophages and prevents atherosclerotic plaque formation in ApoE-/- mice. AB - Autophagy in macrophages plays a key role in the pathogenesis and progression of atherosclerosis and has become a potential therapeutic target. Here we show that cordycepin (Cpn), a natural derivative of adenosine, markedly reduced atherosclerotic plaque and ameliorated associated symptoms such as dyslipidemia, hyperglycemia and inflammation in ApoE-/- mice. Supplementation of Cpn dose dependently inhibited oxLDL-elicited foam cell formation and modulated intracellular cholesterol homeostasis by inhibiting cholesterol uptake and promoting cholesterol efflux in RAW264.7 macrophages. Notably, Cpn exhibited significant stimulating effect on macrophage autophagy, as estimated by western blotting, immunofluorescent staining and autophagic vacuoles observation by transmission electron microscopy. The inhibitive effects of Cpn on foam cell formation were dramatically deteriorated in the presence of various autophagy inhibitors, suggesting that autophagy participate, at least in part, in the atheroprotective role of Cpn. Further investigations using different autophagy inhibitors and specific siRNAs for AMP-activated protein kinase (AMPK) gamma1 subunit indicated that Cpn may stimulate macrophage autophagy through AMPK-mTOR pathway. Together, our results demonstrated Cpn as a potential therapeutic agent for the prevention and treatment of atherosclerosis, and the autophagic activity presents a novel mechanism for Cpn-mediated atheroprotection. PMID- 29212262 TI - A missense variant in EZH2 is associated with colorectal cancer risk in a Chinese population. AB - Colorectal cancer (CRC) ranks the fifth leading cause of cancer death in China. EZH2 is a member of Polycomb-group (PcG) family and associated with transcriptional repression and cancer development. In this study, we report the association between a missense variant in EZH2 and risk of CRC. Through a systematic selection of variants in EZH2, we identified rs2302427 in the exon region of EZH2 and genotyped this variant in 852 CRC patients and 1,303 healthy controls using Taqman genotyping assay. The association between this variant and CRC risk was calculated using logistic regression with adjustment of sex, age, smoking status and drinking status. The result showed that rs2302427 was significantly associated with CRC susceptibility under an additive model (P=0.0068). Compared with CC genotype carriers, CG genotype and GG genotype carriers were associated with risk of CRC with odds ratio being 0.78 (95% CI: 0.63-0.96, P=0.0198) and 0.54 (95% CI: 0.24-1.18, P=0.1224), respectively. When stratified by sex, age, smoking status or drinking status, significant associations were observed only in younger individuals (OR=0.67, 95% CI: 0.50 0.89, P=0.0067) or smokers (OR=0.65, 95% CI: 0.48-0.88, P=0.0051). This study provides new insights into the personalized prevention of colorectal cancer. PMID- 29212263 TI - Combination of betulinic acid and chidamide inhibits acute myeloid leukemia by suppression of the HIF1alpha pathway and generation of reactive oxygen species. AB - Acute myeloid leukemia (AML) is a heterogeneous disorder of the hematopoietic system with no common genetic "Achilles heel" that can be targeted. Most patients respond well to standard therapy, while a majority relapse, and development of an effective therapy for AML patients is still urgently needed. In this study, we demonstrated that betulinic acid (BA) significantly increased Aryl hydrocarbon receptor (AHR) expression through demethylation on the AHR promoter in AML cells, and the increased AHR expression interacts with and sequesters ARNT, subsequently suppressing hypoxia-inducible factor-1alpha (HIF1alpha) pathway. We also found that histone deacetylase inhibitor chidamide (CDM) treatment significantly increased p300 over-acetylation in AML cells with dissociation of p300 with HIF1alpha, and subsequently suppressed the HIF1alpha pathway. Further investigation showed that BA/CDM combination additively increased generation of reactive oxygen species (ROS) with DNA damage, apoptosis and mitochondrial dysfunction. Also, BA/CDM combination additively suppressed the HIF1alpha pathway with decreased VEGF expression. in vivo mice study showed that BA/CDM combination significantly suppressed AML tumor growth, and overexpression of SOD2 and a constitutive HIF1alpha (HIF1C) completely diminished this effect. We conclude that a BA/CDM combination inhibits AML tumors through ROS over-generation and HIF1alpha pathway suppression. This is the first time we have shown the potential effect and possible mechanism of BA and CDM on the inhibition of AML tumor growth. PMID- 29212264 TI - CR6-interacting factor 1 inhibits invasiveness by suppressing TGF-beta-mediated epithelial-mesenchymal transition in hepatocellular carcinoma. AB - CR6-interacting factor 1 (CRIF1) regulates cell cycle progression and the DNA damage response. Here, we show that CRIF1 expression is decreased in hepatocellular carcinoma (HCC) tissues and positively correlates with patients' survival. In vitro, down-regulation of CRIF1 promotes HCC cell proliferation and invasiveness, while over-expression has the opposite effect. in vivo, CRIF1 knockdown enhances growth of HCC xenografts. Analysis of mRNA microarrays showed that CRIF1 knockdown activates genes involved in TGF-beta RI/Smad2/3 signaling, leading to epithelial-mesenchymal transition (EMT) and increased matrix metalloproteinase-3 (MMP3) expression. However, cell invasion and EMT are abrogated in HCC cells treated with SB525334, a specific TGF-beta RI inhibitor, which indicates the inhibitory effect of CRIF1 on HCC tumor growth is mediated by TGF-beta signaling. These results demonstrate that CRIF1 benefits patient survival by inhibiting HCC cell invasiveness through suppression of TGF-beta mediated EMT and MMP3 expression. This suggests CRIF1 may serve as a novel target for inhibiting HCC metastasis. PMID- 29212265 TI - Systematic identification of long non-coding RNAs with cancer-testis expression patterns in 14 cancer types. AB - Cancer-testis (CT) genes are a group of genes that are potential targets of immunotherapy and candidate epi-drivers participating in the development of cancers. Previous studies mainly focused on protein-coding genes, neglecting long non-coding RNAs with the same expression patterns. In this study, we performed a systematic investigation of cancer-testis long non-coding RNAs (CT-lncRNAs) with multiple independent open-access databases.We identified 1,325 extremely highly expressed CT-lncRNAs (EECT-lncRNAs) in 14 cancer types. Functional annotation revealed that CT-lncRNAs reactivated in cancers could promote genome instability and the malignant potential of cancers. We observed a mutually exclusive pattern of EECT-lncRNA activation and mutation in known oncogenes, suggesting their potential role as drivers of cancer that complement known mut-driver genes. Additionally, we provided evidence that testis-specific regulatory elements and promoter hypo-methylation may be EECT-lncRNA activation mechanisms, and EECT lncRNAs may regulate CT gene reactivation. Taken together, our study puts forth a new hypothesis in the research field of CT genes, whereby CT-lncRNAs/EECT-lncRNAs play important roles in the progression and maintenance of tumorigenesis, expanding candidate CT epi-driver genes from coding genes to non-coding RNAs. PMID- 29212267 TI - Development of diagnostic model of lung cancer based on multiple tumor markers and data mining. AB - Objective: To develop early intelligent discriminative model of lung cancer and evaluate the efficiency of diagnosis value. Methods: Based on the genetic polymorphism profile of CYP1A1-rs1048943, GSTM1, mEH-rs1051740, XRCC1-rs1799782 and XRCC1-rs25489 and the methylations of p16 and RASSF1A gene, and the length of telomere in the peripheral blood from 200 lung cancer patients and 200 health persons, the discriminative model was established through decision tree and ANN technique. Results: ACU of the discriminative model based on multiple tumour markers increased by about 10%; The accuracy rate of decision tree model and ANN model for testing set were 93.00% and 89.62% respectively. The ROC analysis showed the decision tree model's AUC is 0.929 (0.894~0.964), the ANN model's AUC is 0.894 (0.853~0.935). However, the classify accuracy rate and AUC of Fisher discriminatory analysis model are all about 0.7. Conclusion: The early intelligent discriminative model of lung cancer based on multiple tumor markers and data mining techniques has a higher accuracy rate and might be useful for early diagnosis of lung cancer. PMID- 29212268 TI - COMP-angiopoietin-1 mitigates changes in lipid droplet size, macrophage infiltration of adipose tissue and renal inflammation in streptozotocin-induced diabetic mice. AB - Adipose tissue is considered to be an endocrine organ, and adipocyte size correlates with insulin resistance and metabolic parameters in obesity. There is little data on the effects of angiopoietin-1 in adipose tissue and kidney in streptozotocin (STZ)-induced diabetes. In this study, we investigated the protective effect of COMP-angiopoietin-1 (COMP-Ang1), a potent variant of angiopoietin-1, on vascular endothelial cells in epididymal adipose tissue and its regulatory effect on other metabolic parameters, such as lipid droplet diameter, macrophage infiltration, and renal inflammation in STZ-treated mice. Our data showed that COMP-Ang1 increased the density of platelet endothelial cell adhesion molecule-1 (PECAM-1)-1-positive vascular endothelial cells in adipose tissue, which were significantly decreased by treatment with STZ. COMP-Ang1 ameliorated the STZ-induced decrease in lipid droplet diameter and increase in macrophage infiltration in adipose tissue. Serum free fatty acid and triglyceride levels were decreased after administration of COMP-Ang1. There was a beneficial effect on serum insulin levels after treatment with COMP-Ang1 in STZ-induced diabetic mice. Fasting blood glucose levels in COMP-Ang1-treated mice were significantly lower than those of LacZ-treated mice. Cotreatment with COMP-Ang1 and STZ also had similar effects on the above parameters. Administration of soluble Tie2, an inhibitor of angiopoietin-1, reversed the effects of COMP-Ang1. COMP-Ang1 was found to ameliorate the up-regulation of proinflammatory molecules and F4/80-positive macrophage infiltration in the kidneys of STZ-treated mice. COMP-Ang1 increased the phosphorylation of Akt in epididymal adipose tissue and kidneys of STZ-induced diabetic mice. These data indicate that COMP-Ang1 regulates lipogenic effects in adipose tissue and renal inflammation in STZ induced diabetic mice. PMID- 29212266 TI - EWS-FLI1 and RNA helicase A interaction inhibitor YK-4-279 inhibits growth of neuroblastoma. AB - Treatment failure in high risk neuroblastoma (NB) is largely due to the development of chemotherapy resistance. We analyzed the gene expression changes associated with exposure to chemotherapy in six high risk NB tumors with the aid of the Connectivity Map bioinformatics platform. Ten therapeutic agents were predicted to have a high probability of reversing the transcriptome changes associated with neoadjuvant chemotherapy treatment. Among these agents, initial screening showed the EWS-FLI1 and RNA helicase A interaction inhibitor YK-4-279, had obvious cytotoxic effects on NB cell lines. Using a panel of NB cell lines, including MYCN nonamplified (SK-N-AS, SH-SY5Y, and CHLA-255), and MYCN amplified (NB-19, NGP, and IMR-32) cell lines, we found that YK-4-279 had cytotoxic effects on all lines tested. In addition, YK-4-279 also inhibited cell proliferation and anchorage-independent growth and induced cell apoptosis of these cells. YK-4-279 enhanced the cytotoxic effect of doxorubicin (Dox). Moreover, YK-4-279 was able to overcome the established chemoresistance of LA-N-6 NB cells. In an orthotopic xenograft NB mouse model, YK-4-279 inhibited NB tumor growth and induced apoptosis in tumor cells through PARP and Caspase 3 cleavage in vivo. While EWS FLI1 fusion protein is not frequently found in NB, using the R2 public database of neuroblastoma outcome and gene expression, we found that high expression of EWSR1 was associated with poor patient outcome. Knockdown of EWSR1 inhibited the oncogenic potential of neuroblastoma cell lines. Taken together, our results indicate that YK-4-279 might be a promising agent for treatment of NB that merits further exploration. PMID- 29212269 TI - Low neighbor of Brca1 gene expression predicts poor clinical outcome and resistance of sunitinib in clear cell renal cell carcinoma. AB - Objective: To study the expression of Neighbor of Brca1 gene (NBR1) in clear cell renal cell carcinoma (ccRCC), renal cancer cells and the chemoresistance cells and to elucidate its clinical prognostic and chemoresistance value. Materials and Methods: We screened the NBR1 mRNA in ccRCC from The Cancer Genome Atlas (TCGA) database and examined expression levels of NBR1 mRNA in 48 cases of ccRCC tissues, renal cancer cell lines and chemoresistance cells by qRT-PCR. Then, we extended two additional data sets in oncomine datebase (https://www.oncomine.org) to further confirm the results of the TCGA database. Immunohistochemistry (IHC) assay data performed in ccRCC tissues and normal tissues were downloaded from The Human Protein Atlas. Results: The mRNA levels of NBR1 were downregulated in TCGA KIRC database (n = 533) and ccRCC patient samples (n=48) as well as in RCC cell lines and their chemoresistance cells. Similarly, the protein levels of NBR1 were lower in ccRCC patient samples. NBR1 level was associated with the clinical pathological stage and could discriminate metastasis, recurrence and prognosis in ccRCC patients. Low level of NBR1 mRNA showed a significance poor prognostic of overall survival (OS), disease-free survival (DFS) with univariate and multivariate analyses in ccRCC patients and sunitinib resistance. Conclusions: Taken together, our results suggest that low level of NBR1 can predict poor clinical outcome and resistance of sunitinib in patients with ccRCC. PMID- 29212270 TI - Exosomal miR-141-3p regulates osteoblast activity to promote the osteoblastic metastasis of prostate cancer. AB - Exosomes from cancer cells, which contain microRNA and reach metastasis loci prior to cancer cells, stimulate the formation of a metastatic microenvironment. Previous studies have shown that exosomal miR-141-3p is associated with metastatic prostate cancer (PCa). However, the role and regulatory mechanism of miR-141-3p in the microenvironment of bone metastases require further study. In this study, we performed a series of experiments in vivo and in vitro to determine whether exosomal miR-141-3p from MDA PCa 2b cells regulates osteoblast activity to promote osteoblastic metastasis. We demonstrate that extracts obtained from cell culture supernatants contained exosomes and that miR-141-3p levels were significantly higher in MDA PCa 2b cell exosomes. Via confocal imaging, numerous MDA PCa 2b exosomes were observed to enter osteoblasts, and miR 141-3p was transferred to osteoblasts through MDA PCa 2b exosomes in vitro. Exosomal miR-141-3p from MDA PCa 2b promoted osteoblast activity and increased osteoprotegerin OPG expression. miR-141-3p suppressed the protein levels of the target gene DLC1, indicating its functional significance in activating the p38MAPK pathway. In animal experiments, exosomal miR-141-3p had bone-target specificity and promoted osteoblast activity. Mice injected with miR-141-3p mimics exosomes developed apparent osteoblastic bone metastasis. Exosomal miR-141 3p from MDA PCa 2b cells promoted osteoblast activity and regulated the microenvironment of bone metastases, which plays an important role in the formation of bone metastases and osteogenesis damage in PCa. Clarifying the specific mechanism of bone metastasis will help generate new possibilities for the treatment of PCa. PMID- 29212271 TI - Inhibition of astrocytic activity alleviates sequela in acute stages of intracerebral hemorrhage. AB - Neurological deterioration of intracerebral hemorrhage (ICH) mostly occurs within the first 24 hours. Together with the microglia/macrophages (MMPhi), astrocytes are important cell population responsible for many brain injuries but rarely being highlighted in acute stage of ICH. In present study, we induced rats ICH either by collagenase or autologous blood injection. Experimental groups were classified as vehicle or Ethyl-1-(4-(2,3,3-trichloroacrylamide)phenyl)-5 (trifluoromethyl)-1H-pyrazole-4-carboxylate (Pyr3) treatment group (n = 9, each group). MRI assessments after ICH were used to evaluate the hematoma progression and blood-brain barrier (BBB) integrity. The glia cells accumulations were examined by GFAP and Iba1 immunohistochemistry, respectively. Abundant astrocytes but few MMPhi were observed in hyperacute and acute ICH. Upon suppression of astrocyte activity, ICH rats exhibited decreased size of hematoma expansion, less BBB destruction, reduced astrocyte accumulation in perihematomal regions, postponed course of hemoresolution and gain better outcomes. These finding provide evidence that activated astrocytes are crucial cell populations in hyperacute and acute ICH, and their modulation may offer opportunities for novel therapy and patient management. PMID- 29212272 TI - Polymorphisms of rs1347093 and rs1397529 are associated with lung cancer risk in northeast Chinese population. AB - Lung cancer is one of the malignant tumors with the highest morbidity and mortality all over the world. Here we researched the association between two SNPs (rs1347093 in MIR217HG and rs1397529 in Gab1) and the risk of lung cancer in northeast Chinese population, including 825 cases and 766 controls. We carried out chi2 test, unconditional logistic regression analysis and crossover analysis to estimate the relationship between SNPs and lung cancer risk and the interaction between SNPs and smoking on susceptibility to lung cancer. The results indicated that rs1347093, rs1397529 polymorphisms were associated with lung cancer risk, especially with adenocarcinoma risk. Dominant genetic model of the rs1347093 was associated with reduced risk of lung cancer compared to CC genotype (AC+AA vs. CC: adjusted OR = 0.599, 95%CI = 0.418-0.858, P=0.005). For rs1347093, the similar result was found. Dominant genetic model of the rs1397529 was associated with reduced risk of lung cancer compared to AA genotype (AC+CC vs. AA: adjusted OR = 0.664, 95%CI = 0.491-0.897, P=0.008). There is no significant interaction between rs1347093, rs1397529 polymorphism and smoking on susceptibility to lung cancer. Our study might demonstrate that rs1347093 in MIR217HG and rs1397529 in Gab1 could be meaningful as the novel biomarker for lung cancer risk. PMID- 29212273 TI - Repositioning CEP-1347, a chemical agent originally developed for the treatment of Parkinson's disease, as an anti-cancer stem cell drug. AB - CEP-1347 is a mixed lineage kinase inhibitor tested in a large-scale phase 2/3 clinical trial in early Parkinson's disease, in which its safety and tolerability, but nevertheless not efficacy, was demonstrated. Here we identify by drug repositioning CEP-1347 as a potential anti-cancer stem cell drug. In vitro, CEP-1347 efficiently induced differentiation and inhibited the self renewal and tumor-initiating capacities of human cancer stem cells from glioblastoma as well as from pancreatic and ovarian cancers at clinically relevant concentrations, without impairing the viability of normal fibroblasts and neural stem cells. In vivo, a 10-day systemic administration of CEP-1347 at a dose that was less than 1/10 the mouse equivalent of the dose safely given to humans for 2 years was sufficient to effectively reduce tumor-initiating cancer stem cells within established tumors in mice. Furthermore, the same treatment protocol significantly extended the survival of mice receiving orthotopic implantation of glioma stem cells. Together, our findings suggest that CEP-1347 is a promising candidate for cancer stem cell-targeting therapy and that further clinical and preclinical studies are warranted to evaluate its efficacy in cancer treatment. PMID- 29212274 TI - Extramural vascular invasion detected by contrast-enhanced multiple-row detectors computed tomography (ceMDCT) as a predictor of synchronous metastases in colon cancer. AB - Background: Extramural Vascular Invasion (EMVI) is histologically defined as the presence of tumor cells beyond the muscularis propria in vessels resulting in disease metastases. Objective: To determine whether EMVI, detected by contrast enhanced multiple-row detectors computed tomography (MDCT), has closely association with synchronous metastases in colon cancer. Methods: Patients with pathology proven colon cancer were included in this retrospective study. Preoperative imaging status, including Extramural tumor depth, Lymph nodes, tumor location, and ctEMVI status, were defined on MDCT. Postoperative pathological tumor stage, lymph node stage, and tumor differentiation, were defined in accordance with the American Joint Committee on Cancer (AJCC) 7th Edition. Synchronous metastases were detected on follow-up MDCT 3 months after initial diagnosis or by surgery, if available. Associations between ctEMVI and other preoperative and postoperative factors were analyzed using Chi-squared tests. Logistic regression analyses were performed to analyze the preoperative and postoperative factors of synchronous metastases in colon cancer. Results: ctEMVI was observed in 96 patients (96/241, 39.8%). The presence of ctEMVI varied significantly depending on ctEMD (chi2 = 66.557, P<0.001), lymph nodes status on MDCT (chi2 =24.533, P=0.001), pathological tumor status (chi2 = 36.267, P <0.001) and pathological lymph nodes status analyses (chi2 =32.103, P <0.001). Synchronous metastases were seen in 36 patients (36/96, 37.5%) with ctEMVI and 11 (11/145, 7.6%) patients without ctEMVI. The incidence of synchronous metastases was significantly higher in the cohort of positive ctEMVI with odds ratio (OR) of 7.309 (95% CI 3.485~15.330, P<0.001). Positive ctEMVI (Odds ratio 4.654, 95%CI: 1.987~10.898, P <0.001) and ctEMD larger than 5 mm (Odds ratio 2.654, 95%CI: 1.116~6.309, P =0.027) were demonstrated to be significant preoperative factors in predicting synchronous metastases. Conclusion: MDCT-detected EMVI could be used as a preoperative factor to predict synchronous metastases in colon cancer. PMID- 29212275 TI - Physical exercises and weight loss in obese patients help to improve uric acid. AB - Objective: to assess the impact of longitudinal change of the overweight and physical activity on hyperuricemia. Methods: We performed a retrospective cohort study. Demographic information, clinical features, laboratory findings, body weight and physical exercises pattern were documented. Results: Altogether 4678 cases of hyperuricemia were enrolled. The median aged males were most affected. Individuals in the middle age had the highest prevalence of being overweight (2501/3382, 74.0%). Middle aged with BMI>=25 kg/m2 were more likely to lose weight (963/2807, 34.3%). BMI and waist circumference control helped to reduce serum uric acid. Overweight population was more likely to use urate-lowering or uricosuric medication (3025/3382, 89.4%). Intermediate and heavy activity were associated with bigger SUA improvement. Patients in the age of 35-60 were more likely to do physical exercises than the others. Conclusion: Being overweight is strongly associated with hyperuricemia. Successful weight control was correlated with significant uric acid reduction. Intermediate to heavy physical activity helps to reduce waist circumference and SUA. In the hyperuricemia population, obese, middle aged men were the most affected, and also the most likely to do more exercises and get their bodyweight back to normal. PMID- 29212276 TI - Low circulating levels of the mitochondrial-peptide hormone SHLP2: novel biomarker for prostate cancer risk. AB - Context: Mitochondrial DNA mutations and dysfunction are associated with prostate cancer (PCa). Small humanin-like peptide-2 (SHLP2) is a novel mitochondrial encoded peptide and an important mitochondrial retrograde signaling molecule. Objective: To determine whether serum SHLP2 concentration is associated with PCa risk and whether associations are race-specific.Design, Setting and Participants: Patients undergoing prostate biopsy were recruited from the Durham Veterans Affairs hospital. Serum was collected prior to biopsy and SHLP2 measured by ELISA. We selected 200 men for analysis (100 negative biopsies and 100 PCa cases; 100 black and 100 white). Results: Mean SHLP2 levels were significantly higher in white controls versus black controls and SHLP2 was significantly higher in white controls versus white PCa cases. In contrast, there was no significant difference in SHLP2 levels between black controls and black cases. SHLP2 levels > 350-pg/ml ruled out PCa with >= 95% accuracy in both races. Conclusions: Lower SHLP2 was linked with increased PCa risk in white men, but no significant association was observed in black men. While SHLP2 > 350-pg/ml ruled out PCa in both races with high accuracy, SHLP2 was unrelated to PCa grade. These data suggest the circulating mitochondrial-derived peptide hormone, SHLP2 plays a key role in the development and racial disparity of prostate cancer. PMID- 29212277 TI - Tumor necrosis factor-alpha -308 G/A polymorphism and risk of sepsis, septic shock, and mortality: an updated meta-analysis. AB - Background: The -308G/A polymorphism in the gene encoding tumor necrosis factor alpha (TNF-alpha) has been implicated in sepsis risk in many studies but with variable results. This study aimed to comprehensively assess the evidence of association between this polymorphism and risk of sepsis and sepsis-related mortality. Materials and Methods: PubMed, EMBASE and other databases were searched to identify relevant studies, and data were analyzed using Review Manager 5.0 and STATA 12.0. Results: Data from 34 publications involving 12,284 subjects were meta-analyzed. Combined analysis revealed an association between TNF-alpha -308G/A gene polymorphism and risk of sepsis (AA+GA vs. GG, OR 1.35, 95% CI 1.10-1.67, P = 0.005). This association was observed in the Caucasian subgroup (OR 1.50, 95% CI 1.13-2.00, P = 0.006), but not in the Asian subgroup. Across the entire study population, the polymorphism was also significantly related to septic shock risk (OR 1.52, 95% CI 1.18-1.95, P = 0.001) but not to sepsis-related mortality (OR 0.99, 95% CI 0.71-1.40, P = 0.97). Conclusions: This meta-analysis suggests that the -308G/A gene polymorphism in the TNF-alpha gene may contribute to risk of sepsis and septic shock, but not risk of mortality. PMID- 29212278 TI - Efficacy and safety of pancreatic enzyme replacement therapy on exocrine pancreatic insufficiency: a meta-analysis. AB - Background: Pancreatic enzyme replacement therapy (PERT) is widely applied to patients with exocrine pancreatic insufficiency (EPI), but its effect and safety has not been quantified. Therefore we performed a meta-analysis to determine the efficacy and tolerance of PERT on patients with EPI. Materials and Methods: PubMed, Medline, Cochrane library database, Evidence-based medicine/clinical trials published before December 2016 were searched by two independent reviewers to identify prospective randomized controlled trials (RCTs). Results: Seven RCTs, randomizing a total of 282 patients, were filtrated and assessed qualitatively (Jadad score). PERT increased CFA (WMD: 26.56, 20.35 to 32.76, I2= 79.6%, P < 0.001) compared with baseline, and CFA (WMD: 17.97, 12.61 to 23.34, I2 = 76.7%, P < 0.001) vs. placebo. Meanwhile, CNA, SFE, SNE and SW were significantly improved in PERT compared with baseline and placebo, with no statistical differences in adverse events. Subgroup analysis indicated that standard forms of PERT displayed more effectiveness with significantly decreased heterogeneity, and large sample size also reduced the heterogeneity to some degree. Conclusions: PERT is demonstrated to be effective and tolerable in patients with EPI, especially using standard administration of PERT. Larger and higher quality studies on EPI are demanded to long-term effect of standard PERT treatment. PMID- 29212279 TI - Association between depression and brain tumor: a systematic review and meta analysis. AB - Background: Patients with brain tumor are in risk of depression or depressive symptoms, but the estimated prevalence varies between studies. The aim of this study is to get a proper summarized estimate of depression prevalence in brain tumor patients. Methods: Literature search on Pubmed, PsycINFO, and Cochrane library from January 1981 through October 2016. The prevalence of depression or depressive symptoms in brain tumor patients was estimated by screening scales and analyzed using stratified meta-analysis and subgroup analysis. The prevalence of depression level or symptoms during the follow-up periods was detected by secondary analysis. Results: Among the 37 studies included in this meta-analysis, 25 used a cross-sectional design and 12 used longitudinal study. The pooled prevalence was 21.7% (971/4518 individuals, 95 % confidence interval (CI) 18.2% 25.2%) for overall sample. Lower prevalence was detected in studies with sample size >=100 than <100, lower grade tumor than high grade tumor, studies using clinician-rated depression scales than self-rated or non-depression-specific ones, and in patients from UK, Germany and Italy than USA. After analyzing 6 longitudinal studies, prevalence of depression remained no change in the follow up periods. No significant differences were observed between study designs and tumor types. Conclusions: The estimated prevalence of depression or depressive symptoms among brain tumor patients was 21.7%, affected by depression assessment type, sample size, tumor grade and country. Diagnosis and treatment of co-morbid depression in brain tumor patients need to be addressed in future studies for better life quality and oncology management. PMID- 29212280 TI - Influence of body mass index on postoperative complications after thymectomy in myasthenia gravis patients. AB - Objectives: It is not clear whether being overweight or obese influences postoperative complications in myasthenia gravis (MG) patients. We retrospectively investigated an association between body mass index (BMI) and postoperative complications in MG. Materials and Methods: Fifty-nine MG patients who had undergone transsternal thymectomy were classified as low or high BMI based on the criteria for Asian-Pacific populations. An association between BMI and complications was analyzed. Results: MG patients with high BMI had significantly higher rates of major adverse complications (P = 0.033), postoperative respiratory failure (P = 0.045), and longer postoperative hospitalization (P = 0.005). The optimal cutoff value of BMI for postoperative respiratory failure was 23.3 kg/m2, with a sensitivity of 75.0% and a specificity of 64.7% (P = 0.046). Conclusions: MG patients with a BMI indicating overweight or obesity have a higher risk of postoperative complications after thymectomy. Thus, close monitoring must be performed when surgery is necessary. PMID- 29212281 TI - Genetic predisposition toward suicidal ideation in patients with acute coronary syndrome. AB - The genetic predisposition toward suicidal ideation has been explored to identify subgroups at high risk and to prevent suicide. Acute coronary syndrome (ACS) is associated with an increased risk of suicide, but few studies have explored the genetic predisposition toward suicide in ACS populations. Therefore, this longitudinal study explored the genetic predisposition toward suicidal ideation in ACS patients. In total, of 969 patients within 2 weeks after ACS, 711 were followed at 1 year after ACS. Suicidal ideation was evaluated with the relevant items on the Montgomery-Asberg Depression Rating Scale. Ten genetic polymorphisms associated with serotonergic systems, neurotrophic factors, carbon metabolism, and inflammatory cytokines were examined. Associations between genetic polymorphisms and suicidal ideation within 2 weeks and 1 year of ACS were investigated using logistic regression models. The 5-HTTLPR s allele was significantly associated with suicidal ideation within 2 weeks of ACS after adjusting for covariates and after the Bonferroni correction. TNF-alpha -308G/A, IL-1beta -511C/T, and IL-1beta + 3953C/T were significantly associated with suicidal ideation within 2 weeks after ACS, but these associations did not reach significance after the Bonferroni correction in unadjusted analyses and after adjusting for covariance. However, no significant association between genetic polymorphisms and suicidal ideation was found at 1 year. Genetic predisposition, 5-HTTLPR s allele in particular, may confer susceptibility to suicidal ideation in ACS patients during the acute phase of ACS. PMID- 29212282 TI - Intravoxel incoherent motion diffusion-weighted MR imaging of the liver using respiratory-cardiac double triggering. AB - To investigate the influence of respiratory-cardiac double triggering (RCT) on intravoxel incoherent motion (IVIM) diffusion-weighted imaging (DWI) for the liver, twelve healthy volunteers underwent liver DWI twice respectively with respiratory triggering (RT) and RCT schemes. Signal-to-noise ratios (SNRs) of the images, values, repeatability (evaluating with within-subject coefficient of variation), and variability of quantitative parameters, including apparent diffusion coefficient (ADC), pure diffusion coefficient (D), perfusion fraction (f), and perfusion-related diffusion coefficient (D*), were evaluated for each DWI sequence. Results showed that the use of RCT scheme significantly enhanced SNRs (P < 0.001), improved the measurement precision (P <= 0.023) and repeatability (P <= 0.009) of ADC, D, and f values, decreased the variability of ADC and D values (P <= 0.015). Furthermore, this improvement was not completely confined to the left liver lobe, but also observed for the right liver lobe. Moreover, the precision of D* values in the right lobe (P < 0.001) and its repeatability in the left lobe (P = 0.002) were also significantly improved. Thus, our findings suggest that RCT is a more effective physiological scheme for improving SNRs, the precision, repeatability, and variability of quantitative parameters than RT for IVIM-DWI in the liver. PMID- 29212283 TI - 18F-Fluoromisonidazole in tumor hypoxia imaging. AB - Hypoxia is a common feature of solid tumors that is closely associated with radiotherapy and chemotherapy resistance, metastasis and tumors prognosis. Thus, it is important to assess hypoxia in tumors for estimating prognosis and selecting appropriate treatment procedures. 18F-Fluoromisonidazole positron emission tomography (18F-FMISO PET) has been widely used to visualize tumor hypoxia in a comprehensive and noninvasive way, both in the clinical and preclinical settings. Here we review the concept, mechanisms and detection methods of tumor hypoxia. Furthermore, we discuss the correlation between 18F FMISO PET and other detection methods, current applications of 18F-FMISO PET and the development prospects of this imaging technology. PMID- 29212284 TI - Systematic review and critique of circulating miRNAs as biomarkers of stage I-II non-small cell lung cancer. AB - Selected circulating microRNAs (miRNAs) have been suggested for non-invasive screening of non-small cell lung cancer (NSCLC), however the numerous proposed miRNA signatures are inconsistent. Aiming to identify miRNAs suitable specifically for stage I-II NSCLC screening in serum/plasma samples, we searched the databases "Pubmed", "Medline", "Scopus", "Embase" and "WOS" and systematically reviewed the publications reporting quantitative data on the efficacy [sensitivity, specificity and/or area under the curve (AUC)] of circulating miRNAs as biomarkers of NSCLC stage I and/or II. The 20 studies fulfilling the search criteria included 1110 NSCLC patients and 1009 controls, and were of medium quality according to Quality Assessment of Diagnostic Accuracy Studies checklist. In these studies, the patient cohorts as well as the control groups were heterogeneous for demographics and clinicopathological characteristics; moreover, numerous pre-analytical and analytical variables likely influenced miRNA determinations, and potential bias of hemolysis was often underestimated. We identified four circulating miRNAs scarcely influenced by hemolysis, each featuring high sensitivity (> 80%) and AUC (> 0.80) as biomarkers of stage I-II NSCLC: miR-223, miR-20a, miR-448 and miR-145; four other miRNAs showed high specificity (> 90%): miR-628-3p, miR-29c, miR-210 and miR-1244. In a model of two-step screening for stage I-II NSCLC using first the above panel of serum miRNAs with high sensitivity and high AUC, and subsequently the panel with high specificity, the estimated overall sensitivity is 91.6% and overall specificity is 93.4%. These and other circulating miRNAs suggested for stage I-II NSCLC screening require validation in multiple independent studies before they can be proposed for clinical application. PMID- 29212285 TI - BANCR: a novel oncogenic long non-coding RNA in human cancers. AB - Long non-coding RNAs account for large proportion of non-coding transcripts in human genomes. Though they lack of open reading framework and cannot encode protein, they can control endogenous gene expression though regulating cell life activities. They serve as transcriptional modulator, posttranscriptional processor, chromatin remodeler and splicing regulator during the process of gene modification. Moreover, long non-coding RNAs were regarded as potential tumor markers for cancer diagnosis and prognosis. BANCR was identified as a cancer promoting long non-coding RNA in melanoma tissues. Since then, increasing studies about BANCR in cancer progression were reported. BANCR was dysregulated in various cancers including melanoma, colorectal cancer, retinoblastoma, lung carcinoma and hepatocellular carcinoma, and increased BANCR expression cause poor prognosis and shorter survival rate of cancer patients. Furthermore, the functions and mechanisms of BANCR in cancer cells have been clarified. Here, we focus on the current research on the role of BANCR in the clinical management, progression and molecular mechanisms in human cancer. PMID- 29212287 TI - The benefit of everolimus in recurrent/epithelioid angiosarcoma patients: Case reports and literature review. AB - Epithelioid angiosarcoma (EA) is a kind of rare malignant soft tissue sarcoma, with high recurrence/metastatic rate and poor prognosis. To date, no effective standardized treatment regimen has been available for patients with recurrence/metastatic EA. Everolimus is an oral rapamycin derivative that highly inhibits the mechanistic target of rapamycin(mTOR) signal pathway. Previous studies have suggested that everolimus is effective and safe in some soft tissue sarcoma. We reported two cases with recurrence/metastatic EA, who received everolimus after failure of surgery, radiotherapy, chemotherapy or interventional therapy. Two cases obtained clinical benefit within 1 week, and were evaluated as partial response (PR). The progression free survival (PFS) time was nearly 12.0 and 6.0 months, respectively. The overall survival (OS) time was 18.0 and 10.0 months, respectively. The main adverse event was stomatitis syndrome (grade 1-2), which was well controllable and tolerable. It indicated that everolimus may be more beneficial for recurrence/metastatic EA patients. PMID- 29212286 TI - Regulation of DNA replication-coupled histone gene expression. AB - The expression of core histone genes is cell cycle regulated. Large amounts of histones are required to restore duplicated chromatin during S phase when DNA replication occurs. Over-expression and excess accumulation of histones outside S phase are toxic to cells and therefore cells need to restrict histone expression to S phase. Misregulation of histone gene expression leads to defects in cell cycle progression, genome stability, DNA damage response and transcriptional regulation. Here, we discussed the factors involved in histone gene regulation as well as the underlying mechanism. Understanding the histone regulation mechanism will shed lights on elucidating the side effects of certain cancer chemotherapeutic drugs and developing potential biomarkers for tumor cells. PMID- 29212288 TI - Failure of ocular photodynamic therapy for secondary choroidal metastasis: a case report and literature review. AB - The choroid is the most common site for intraocular metastatic disease. Photodynamic therapy (PDT) can effectively destroy malignant tissue and induce anti-tumor activity. Recent publications support its use as an effective therapy for the treatment of choroidal metastases, especially in the subfoveal region, resulting in subsequent vision preservation or improvement. Here, we introduce a case of choroidal metastasis, secondary to primary lung cancer. The progression of choroidal metastasis after PDT was followed up using spectral domain optical coherence tomography with point-to-point follow-up. Unfortunately, both the choroidal metastasis and serous retinal detachment increased after PDT. Since the mechanism underlying the therapeutic effect of PDT on choroidal metastasis is still not fully understood, deeper investigations into its safety, underlying molecular mechanisms, and treatment effects are critical for further PDT clinical usage in intraocular choroidal metastases. PMID- 29212289 TI - A Novel Thrombolytic and Anticoagulant Serine Protease from Polychaeta, Diopatra sugokai. AB - Ischemic stroke can result from blockage of blood vessels, forming fibrin clots in the body and causing irreparable brain damage. Remedial thrombolytic agents or anticoagulants have been studied; however, because the FDA-approved tissue plasminogen activator has low efficacy and side effects, it is necessary to develop safer and more effective treatment candidates. This study aimed at assessing the fibrinolytic and anticoagulation features of a novel serine protease extracted and purified from Diopatra sugokai, a polychaeta that inhabits tidal flats. The purified serine protease was obtained through ammonium sulfate precipitation, affinity chromatography, and ion-exchange chromatography. Its molecular size was identified via SDS-PAGE. To characterize its enzymatic activities, the protease activity at various pH and temperatures, and in the presence of various inhibitors, was measured via azocasein assay. Its fibrinolytic activity and anticoagulant effect were assessed by fibrin zymography, fibrin plate assay, and fibrinogenolytic activity assays. The novel 38 kDa serine protease had strong indirect thrombolytic activity rather than direct activity over broad pH (4-10) and temperature (37 degrees C-70 degrees C) ranges. In addition, the novel serine protease exhibited anticoagulant activity by degrading the alpha-, beta-, and gamma-chains of fibrinogen. In addition, it did not produce cytotoxicity in endothelial cells. Therefore, this newly isolated serine protease is worthy of further investigation as a novel alkaline serine protease for thrombolytic therapy against brain ischemia. PMID- 29212290 TI - Isolation and Evaluation of Bacillus Strains for Industrial Production of 2,3 Butanediol. AB - Biologically produced 2,3-butanediol (2,3-BDO) has diverse industrial applications. In this study, schematic isolation and screening procedures were designed to obtain generally regarded as safe (GRAS) and efficient 2,3-BDO producers. Over 4,000 candidate strains were isolated by pretreatment and enrichment, and the isolated Bacillus strains were further screened by morphological, biochemical, and genomic analyses. The screened strains were then used to test the utilization of the most common carbon (glucose, xylose, fructose, sucrose) and nitrogen (yeast extract, corn steep liquor) sources for the economical production of 2,3-BDO. Two-stage fed-batch fermentation was finally carried out to enhance 2,3-BDO production. In consequence, a newly isolated Bacillus licheniformis GSC3102 strain produced 92.0 g/l of total 2,3-BDO with an overall productivity and yield of 1.40 g/l/h and 0.423 g/g glucose, respectively, using a cheap and abundant nitrogen source. These results strongly suggest that B. licheniformis, which is found widely in nature, can be used as a host strain for the industrial fermentative production of 2,3-BDO. PMID- 29212291 TI - Fecal Respiratory Viruses in Acute Viral Respiratory Infection and Nasopharyngeal Diarrheal Viruses in Acute Viral Gastroenteritis: Clinical Impact of Ectopic Viruses Is Questionable. AB - Our aim was to determine the detection rate of respiratory viruses (RVs) in feces of patients with acute viral respiratory infection (AVRI) and the detection rate of diarrheal viruses (DVs) in nasopharyngeal samples from patients with acute viral gastroenteritis. The relationships between the presence of fecal RVs or nasopharyngeal DVs and their impacts on the clinical severity were also investigated. A total of 144 fecal specimens were collected from AVRI patients and 95 nasopharyngeal specimens were collected from acute viral gastroenteritis patients. Clinical characteristics and laboratory profiles were compared between subgroups on the basis of the presence or absence of virus in the specimens. The detection rate of RVs in feces was 17.4% (25/144), whereas the detection rate for viruses identical to the respiratory pathogen was 10.4% (identical group, 15/144). Within the identical group, adenovirus (86.7%, 13/15) was most commonly found. Patients in the identical group showed statistically higher values for C reactive protein, mean age, increased frequency of vomiting, and decreased frequency of chest film involvement and cough (p < 0.05). The detection rate of nasopharyngeal DVs among acute viral gastroenteritis patients was 19.0% (18/95), and in the identical group it was 15.8% (15/95). Norovirus group II and enteric adenovirus were the major pathogens detected in the identical group. There were no significant differences in clinical characteristics and laboratory profiles between the subgroups. In conclusion, the major pathogens of fecal RV and nasopharyngeal DV were adenovirus and norovirus group II, respectively. However, their relationship with the clinical symptoms or disease severity is unclear. PMID- 29212292 TI - Construction of Luminescence- and Fluorescence-Tagged Burkholderia pseudomallei for Pathogen Tracking in a Mouse Model. AB - Molecular imaging is a powerful method for tracking various infectious disease causing pathogens in host organisms. Currently, a dual molecular imaging method that can provide temporal and spatial information on infected hosts at the organism, organ, tissue, and cellular levels simultaneously has not been reported for Burkholderia pseudomallei, a high-risk pathogen that causes melioidosis. In this study, we have established an experimental method that provides spatiotemporal information on infected hosts using luminescent and fluorescent dual-labeled B. pseudomallei. Using this method, we visualized B. pseudomallei infection at the organism, organ, and tissue levels in a BALB/c mouse model by detecting its luminescence and fluorescence. The infection of B. pseudomallei at the cellular level was also visualized by its emitted fluorescence in infected macrophage cells. This method could be an extremely useful and applicable tool to study the pathogenesis of B. pseudomallei-related infectious diseases. PMID- 29212293 TI - Enhancement of Ethanol Production via Hyper Thermal Acid Hydrolysis and Co Fermentation Using Waste Seaweed from Gwangalli Beach, Busan, Korea. AB - The waste seaweed from Gwangalli beach, Busan, Korea was utilized as biomass for ethanol production. Sagassum fulvellum (brown seaweed, Mojaban in Korean name) comprised 72% of the biomass. The optimal hyper thermal acid hydrolysis conditions were obtained as 8% slurry contents, 138 mM sulfuric acid, and 160 degrees C of treatment temperature for 10 min with a low content of inhibitory compounds. To obtain more monosaccharides, enzymatic saccharification was carried out with Viscozyme L for 48 h. After pretreatment, 34 g/l of monosaccharides were obtained. Pichia stipitis and Pichia angophorae were selected as optimal co fermentation yeasts to convert all of the monosaccharides in the hydrolysate to ethanol. Co-fermentation was carried out with various inoculum ratios of P. stipitis and P. angophorae. The maximum ethanol concentration of 16.0 g/l was produced using P. stipitis and P. angophorae in a 3:1 inoculum ratio, with an ethanol yield of 0.47 in 72 h. Ethanol fermentation using yeast co-culture may offer an efficient disposal method for waste seaweed while enhancing the utilization of monosaccharides and production of ethanol. PMID- 29212294 TI - Purification, Characterization, and Cloning of a Cold-Adapted Protease from Antarctic Janthinobacterium lividum. AB - In this study, a 107 kDa protease from psychrophilic Janthinobacterium lividum PAMC 26541 was purified by anion-exchange chromatography. The specific activity of the purified protease was 264 U/mg, and the overall yield was 12.5%. The J. lividum PAMC 25641 protease showed optimal activity at pH 7.0-7.5 and 40 degrees C. Protease activity was inhibited by PMSF, but not by DTT. On the basis of the N terminal sequence of the purified protease, the gene encoding the cold-adapted protease from J. lividum PAMC 25641 was cloned into the pET-28a(+) vector and heterologously expressed in Escherichia coli BL21(DE3) as an intracellular soluble protein. PMID- 29212295 TI - Inhibitory Effects of Boesenbergia pandurata on Age-Related Periodontal Inflammation and Alveolar Bone Loss in Fischer 344 Rats. AB - Periodontitis, an infective disease caused by oral pathogens and the intrinsic aging process, results in the destruction of periodontal tissues and the loss of alveolar bone. This study investigated whether Boesenbergia pandurata extract (BPE) standardized with panduratin A exerted anti-periodontitis effects, using an aging model representative of naturally occurring periodontitis. In aged rats, the oral administration of BPE (200 mg.kg-1.day-1) for 8 weeks significantly reduced the mRNA and protein expression of interleukin-1beta, nuclear factor kappa B, matrix metalloproteinase (MMP)-2, and MMP-8 in gingival tissues (p < 0.01). In alveolar bone, histological analysis with staining and micro-computed tomography revealed the attenuation of alveolar bone resorption in the BPE treated aged group, which led to a significant reduction in the mRNA and protein expression of nuclear factor of activated T-cells c1 (NFATc1), c-Fos, tartrate resistant acid phosphatase, and cathepsin K (p < 0.01). BPE not only increased the expression of osteoblast differentiation markers, such as alkaline phosphate, and collagen type I (COL1A1), but also increased the ratio of osteoprotegerin to RANKL. Collectively, the results strongly suggested that BPE is a natural resource for the prevention or treatment of periodontal diseases. PMID- 29212296 TI - Immune Enhancement Effect of Asterias amurensis Fatty Acids through NF-kappaB and MAPK Pathways on RAW 264.7 Cells. AB - Asterias amurensis is a marine organism that causes damage to the fishing industry worldwide; however, it has been considered a promising source of functional components. The present study aimed to investigate the immune enhancing effects of fatty acids from three organs of A. amurensis on murine macrophages (RAW 264.7 cells). A. amurensis fatty acids boosted production of immune-associated factors such as nitric oxide (NO) and prostaglandin E2 in RAW 264.7 cells. A. amurensis fatty acids also enhanced the expression of critical immune-associated genes, including iNOS, TNF-alpha, IL-1beta, and IL-6, as well as COX-2. Western blotting showed that A. amurensis fatty acids stimulated the NF kappaB and MAPK pathways by phosphorylation of NF-kappaB p-65, p38, ERK1/2, and JNK. A. amurensis fatty acids from different tissues resulted in different levels of NF-kappaB and MAPK phosphorylation in RAW 264.7 cells. The results increase our understanding of how A. amurensis fatty acids boost immunity in a physiological system, as a potential functional material. PMID- 29212297 TI - Enhanced Production of Fatty Acids via Redirection of Carbon Flux in Marine Microalga Tetraselmis sp. AB - Lipids in microalgae are energy-rich compounds and considered as an attractive feedstock for biodiesel production. To redirect carbon flux from competing pathways to the fatty acid synthesis pathway of Tetraselmis sp., we used three types of chemical inhibitors that can block the starch synthesis pathway or photorespiration, under nitrogen-sufficient and nitrogen-deficient conditions. The starch synthesis pathway in chloroplasts and the cytosol can be inhibited by 3-(3,4-dichlorophenyl)-1,1-dimethylurea and 1,2-cyclohexane diamine tetraacetic acid (CDTA), respectively. Degradation of glycine into ammonia during photorespiration was blocked by aminooxyacetate (AOA) to maintain biomass concentration. Inhibition of starch synthesis pathways in the cytosol by CDTA increased fatty acid productivity by 27% under nitrogen deficiency, whereas the blocking of photorespiration in mitochondria by AOA was increased by 35% under nitrogen-sufficient conditions. The results of this study indicate that blocking starch or photorespiration pathways may redirect the carbon flux to fatty acid synthesis. PMID- 29212298 TI - Bioconversion of Tetracycline Antibiotics to Novel Glucoside Derivatives by Single-Vessel Multienzymatic Glycosylation. AB - The single-vessel multienzyme UDP-alpha-D-glucose recycling system was coupled with a forward glucosylation reaction to produce novel glucose moiety-conjugated derivatives of different tetracycline antibiotic analogs. Among five tetracycline analogs used for the reaction, four molecules (chlorotetracycline, doxytetracycline, meclotetracycline, and minotetracycline) were accepted by a glycosyltransferase enzyme, YjiC, from Bacillus licheniformis to produce glucoside derivatives. However, the enzyme was unable to conjugate sugar units to rolitetracycline. All glucosides of tetracycline derivatives were characterized by ultraviolet absorbance maxima, ultra-pressure liquid chromatography coupled with photodiode array, and high-resolution quadruple time-of-flight electrospray mass spectrometry analyses. These synthesized glucosides are novel tetracycline derivatives. PMID- 29212299 TI - Modulating the Properties of Metal-Sensing Whole-Cell Bioreporters by Interfering with Escherichia coli Metal Homeostasis. AB - In Escherichia coli, the transcription of genes related to metal homeostasis is activated by the presence of target metals. The promoter regions of those genes can be fused with reporter genes to generate whole-cell bioreporters (WCBs); these organisms sense the presence of target metals through reporter gene expression. However, the limited number of available promoters for sensing domains restricts the number of WCB targets. In this study, we have demonstrated an alternative method to generate novel WCBs, based on the notion that since the sensing mechanisms of WCBs are related to metal transportation systems, their properties can be modulated by disrupting metal homeostasis. Mutant E. coli strains were generated by deleting the znt-operon genes zntA, which encodes a zinc-export protein, and zntR, which encodes a znt-operon regulatory protein, to investigate the effects on the metal-sensing properties of WCBs. Deletion of zntA increased the sensitivity but abolished the selectivity of cadmium-sensing WCBs, whereas arsenic-sensing WCBs gained sensitivity toward cadmium. When zntR was deleted, cadmium-sensing WCBs lost the ability to detect cadmium, and this was recovered by introducing exogenous zntR. In addition, the metal-binding site of ZntR was genetically engineered to modulate metal selectivity. This study provides a valuable platform for the development of novel E. coli-based WCBs. PMID- 29212300 TI - Cancer Metabolism: a Hope for Curing Cancer. PMID- 29212301 TI - Convergence of Cancer Metabolism and Immunity: an Overview. AB - Cancer metabolism as a field of research was founded almost 100 years ago by Otto Warburg, who described the propensity for cancers to convert glucose to lactate despite the presence of oxygen, which in yeast diminishes glycolytic metabolism known as the Pasteur effect. In the past 20 years, the resurgence of interest in cancer metabolism provided significant insights into processes involved in maintenance metabolism of non-proliferating cells and proliferative metabolism, which is regulated by proto-oncogenes and tumor suppressors in normal proliferating cells. In cancer cells, depending on the driving oncogenic event, metabolism is re-wired for nutrient import, redox homeostasis, protein quality control, and biosynthesis to support cell growth and division. In general, resting cells rely on oxidative metabolism, while proliferating cells rewire metabolism toward glycolysis, which favors many biosynthetic pathways for proliferation. Oncogenes such as MYC, BRAF, KRAS, and PI3K have been documented to rewire metabolism in favor of proliferation. These cell intrinsic mechanisms, however, are insufficient to drive tumorigenesis because immune surveillance continuously seeks to destroy neo-antigenic tumor cells. In this regard, evasion of cancer cells from immunity involves checkpoints that blunt cytotoxic T cells, which are also attenuated by the metabolic tumor microenvironment, which is rich in immuno-modulating metabolites such as lactate, 2-hydroxyglutarate, kynurenine, and the proton (low pH). As such, a full understanding of tumor metabolism requires an appreciation of the convergence of cancer cell intrinsic metabolism and that of the tumor microenvironment including stromal and immune cells. PMID- 29212303 TI - Targeting Glutamine Metabolism for Cancer Treatment. AB - Rapidly proliferating cancer cells require energy and cellular building blocks for their growth and ability to maintain redox balance. Many studies have focused on understanding how cancer cells adapt their nutrient metabolism to meet the high demand of anabolism required for proliferation and maintaining redox balance. Glutamine, the most abundant amino acid in plasma, is a well-known nutrient used by cancer cells to increase proliferation as well as survival under metabolic stress conditions. In this review, we provide an overview of the role of glutamine metabolism in cancer cell survival and growth and highlight the mechanisms by which glutamine metabolism affects cancer cell signaling. Furthermore, we summarize the potential therapeutic approaches of targeting glutamine metabolism for the treatment of numerous types of cancer. PMID- 29212302 TI - A New Perspective on the Heterogeneity of Cancer Glycolysis. AB - Tumors are dynamic metabolic systems which highly augmented metabolic fluxes and nutrient needs to support cellular proliferation and physiological function. For many years, a central hallmark of tumor metabolism has emphasized a uniformly elevated aerobic glycolysis as a critical feature of tumorigenecity. This led to extensive efforts of targeting glycolysis in human cancers. However, clinical attempts to target glycolysis and glucose metabolism have proven to be challenging. Recent advancements revealing a high degree of metabolic heterogeneity and plasticity embedded among various human cancers may paint a new picture of metabolic targeting for cancer therapies with a renewed interest in glucose metabolism. In this review, we will discuss diverse oncogenic and molecular alterations that drive distinct and heterogeneous glucose metabolism in cancers. We will also discuss a new perspective on how aberrantly altered glycolysis in response to oncogenic signaling is further influenced and remodeled by dynamic metabolic interaction with surrounding tumor-associated stromal cells. PMID- 29212304 TI - The Pentose Phosphate Pathway as a Potential Target for Cancer Therapy. AB - During cancer progression, cancer cells are repeatedly exposed to metabolic stress conditions in a resource-limited environment which they must escape. Increasing evidence indicates the importance of nicotinamide adenine dinucleotide phosphate (NADPH) homeostasis in the survival of cancer cells under metabolic stress conditions, such as metabolic resource limitation and therapeutic intervention. NADPH is essential for scavenging of reactive oxygen species (ROS) mainly derived from oxidative phosphorylation required for ATP generation. Thus, metabolic reprogramming of NADPH homeostasis is an important step in cancer progression as well as in combinational therapeutic approaches. In mammalian, the pentose phosphate pathway (PPP) and one-carbon metabolism are major sources of NADPH production. In this review, we focus on the importance of glucose flux control towards PPP regulated by oncogenic pathways and the potential therein for metabolic targeting as a cancer therapy. We also summarize the role of Snail (Snai1), an important regulator of the epithelial mesenchymal transition (EMT), in controlling glucose flux towards PPP and thus potentiating cancer cell survival under oxidative and metabolic stress. PMID- 29212305 TI - Cancer Energy Metabolism: Shutting Power off Cancer Factory. AB - In 1923, Dr. Warburg had observed that tumors acidified the Ringer solution when 13 mM glucose was added, which was identified as being due to lactate. When glucose is the only source of nutrient, it can serve for both biosynthesis and energy production. However, a series of studies revealed that the cancer cell consumes glucose for biosynthesis through fermentation, not for energy supply, under physiological conditions. Recently, a new observation was made that there is a metabolic symbiosis in which glycolytic and oxidative tumor cells mutually regulate their energy metabolism. Hypoxic cancer cells use glucose for glycolytic metabolism and release lactate which is used by oxygenated cancer cells. This study challenged the Warburg effect, because Warburg claimed that fermentation by irreversible damaging of mitochondria is a fundamental cause of cancer. However, recent studies revealed that mitochondria in cancer cell show active function of oxidative phosphorylation although TCA cycle is stalled. It was also shown that blocking cytosolic NADH production by aldehyde dehydrogenase inhibition, combined with oxidative phosphorylation inhibition, resulted in up to 80% decrease of ATP production, which resulted in a significant regression of tumor growth in the NSCLC model. This suggests a new theory that NADH production in the cytosol plays a key role of ATP production through the mitochondrial electron transport chain in cancer cells, while NADH production is mostly occupied inside mitochondria in normal cells. PMID- 29212306 TI - Oncogene-Driven Metabolic Alterations in Cancer. AB - Cancer is the leading cause of human deaths worldwide. Understanding the biology underlying the evolution of cancer is important for reducing the economic and social burden of cancer. In addition to genetic aberrations, recent studies demonstrate metabolic rewiring, such as aerobic glycolysis, glutamine dependency, accumulation of intermediates of glycolysis, and upregulation of lipid and amino acid synthesis, in several types of cancer to support their high demands on nutrients for building blocks and energy production. Moreover, oncogenic mutations are known to be associated with metabolic reprogramming in cancer, and these overall changes collectively influence tumor-microenvironment interactions and cancer progression. Accordingly, several agents targeting metabolic alterations in cancer have been extensively evaluated in preclinical and clinical settings. Additionally, metabolic reprogramming is considered a novel target to control cancers harboring un-targetable oncogenic alterations such as KRAS. Focusing on lung cancer, here, we highlight recent findings regarding metabolic rewiring in cancer, its association with oncogenic alterations, and therapeutic strategies to control deregulated metabolism in cancer. PMID- 29212307 TI - Dysregulation of NRF2 in Cancer: from Molecular Mechanisms to Therapeutic Opportunities. AB - Nuclear factor E2-related factor 2 (NRF2) plays an important role in redox metabolism and antioxidant defense. Under normal conditions, NRF2 proteins are maintained at very low levels because of their ubiquitination and proteasomal degradation via binding to the kelch-like ECH associated protein 1 (KEAP1)-E3 ubiquitin ligase complex. However, oxidative and/or electrophilic stresses disrupt the KEAP1-NRF2 interaction, which leads to the accumulation and transactivation of NRF2. During recent decades, a growing body of evidence suggests that NRF2 is frequently activated in many types of cancer by multiple mechanisms, including the genetic mutations in the KEAP1-NRF2 pathway. This suggested that NRF2 inhibition is a promising strategy for cancer therapy. Recently, several NRF2 inhibitors have been reported with anti-tumor efficacy. Here, we review the mechanisms whereby NRF2 is dysregulated in cancer and its contribution to the tumor development and radiochemoresistance. In addition, among the NRF2 inhibitors reported so far, we summarize and discuss repurposed NRF2 inhibitors with their potential mechanisms and provide new insights to develop selective NRF2 inhibitors. PMID- 29212308 TI - Metabolic Signaling to Epigenetic Alterations in Cancer. AB - Cancer cells reprogram cellular metabolism to support the malignant features of tumors, such as rapid growth and proliferation. The cancer promoting effects of metabolic reprogramming are found in many aspects: generating additional energy, providing more anabolic molecules for biosynthesis, and rebalancing cellular redox states in cancer cells. Metabolic pathways are considered the pipelines to supply metabolic cofactors of epigenetic modifiers. In this regard, cancer metabolism, whereby cellular metabolite levels are greatly altered compared to normal levels, is closely associated with cancer epigenetics, which is implicated in many stages of tumorigenesis. In this review, we provide an overview of cancer metabolism and its involvement in epigenetic modifications and suggest that the metabolic adaptation leading to epigenetic changes in cancer cells is an important non-genetic factor for tumor progression, which cooperates with genetic causes. Understanding the interaction of metabolic reprogramming with epigenetics in cancers may help to develop novel or highly improved therapeutic strategies that target cancer metabolism. PMID- 29212309 TI - Imaging Cancer Metabolism. AB - It is widely accepted that altered metabolism contributes to cancer growth and has been described as a hallmark of cancer. Our view and understanding of cancer metabolism has expanded at a rapid pace, however, there remains a need to study metabolic dependencies of human cancer in vivo. Recent studies have sought to utilize multi-modality imaging (MMI) techniques in order to build a more detailed and comprehensive understanding of cancer metabolism. MMI combines several in vivo techniques that can provide complementary information related to cancer metabolism. We describe several non-invasive imaging techniques that provide both anatomical and functional information related to tumor metabolism. These imaging modalities include: positron emission tomography (PET), computed tomography (CT), magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS) that uses hyperpolarized probes and optical imaging utilizing bioluminescence and quantification of light emitted. We describe how these imaging modalities can be combined with mass spectrometry and quantitative immunochemistry to obtain more complete picture of cancer metabolism. In vivo studies of tumor metabolism are emerging in the field and represent an important component to our understanding of how metabolism shapes and defines cancer initiation, progression and response to treatment. In this review we describe in vivo based studies of cancer metabolism that have taken advantage of MMI in both pre-clinical and clinical studies. MMI promises to advance our understanding of cancer metabolism in both basic research and clinical settings with the ultimate goal of improving detection, diagnosis and treatment of cancer patients. PMID- 29212310 TI - Quality Metrics of a Fecal Immunochemical Test-Based Colorectal Cancer Screening Program in Korea. AB - Background/Aims: Knowledge regarding the quality metrics of fecal immunochemical test (FIT)-based colorectal cancer screening programs is limited. The aim of this study was to investigate the performance and quality metrics of a FIT-based screening program. Methods: In our screening program, asymptomatic subjects aged >=50 years underwent an annual FIT, and subjects with positive FIT results underwent a subsequent colonoscopy. The performance of the FIT and colonoscopy was analyzed in individuals with a positive FIT who completed the program between 2009 and 2015 at a university hospital. Results: Among the 51,439 screened participants, 75.1% completed the FIT. The positive rate was 1.1%, and the colonoscopy completion rate in these patients was 68.6%. The positive predictive values of cancer and advanced neoplasia were 5.5% and 19.1%, respectively. The adenoma detection rate in the patients who underwent colonoscopy after a positive FIT was 48.2% (60.0% for men and 33.6% for women). The group with the highest tertile quantitative FIT level showed a significantly higher detection rate of advanced neoplasia than the group with the lowest tertile (odds ratio, 2.6; 95% confidence interval, 1.4 to 5.1; p<0.001). Conclusions: The quality metrics used in the United States and Europe may be directly introduced to other countries, including Korea. However, the optimal quality metrics should be established in each country. PMID- 29212311 TI - A Prospective Study on the Prevalence, Extent of Disease and Outcome of Eosinophilic Gastroenteritis in Patients Presenting with Lower Abdominal Symptoms. AB - Background/Aims: The epidemiology of eosinophilic gastroenteritis remains unclear. We aim to determine the prevalence of eosinophilic gastroenteritis in patients with lower abdominal symptoms. Methods: In a prospective study, colonoscopy was performed on 2,469 consecutive patients. Biopsies were taken from the terminal ileum and ascending, transverse, descending and sigmoid colon in all patients. Results: Sixty-four of the 2,469 patients (2.6%) had eosinophilic gastroenteritis. Only five of the 64 patients (7.8%) with eosinophilic gastroenteritis had endoscopic mucosal abnormalities during colonoscopy. Six of these 64 patients (9.4%) had severe disease at presentation, and seven of these 64 patients (10.9%) required systemic steroid treatment. An elevated absolute peripheral eosinophil count was independently associated with severe disease at presentation (4/6 [66.7%] vs 3/58 [5.2%], p=0.005; odds ratio [OR], 25.320; 95% confidence interval [CI], 2.628 to 243.910), and severe disease at the time of presentation was independently associated with the use of systemic steroid treatment (6/7 [85.7%] vs 0/57 [0%], p=0.008; OR, 18.021; 95% CI, 2.163 to 150.152). Conclusions: The prevalence of eosinophilic gastroenteritis is common, and patients usually present normal-appearing mucosa on colonoscopy. Those with severe disease at presentation usually have a raised absolute peripheral eosinophil count and should be commenced on systemic steroids as an initial therapy. PMID- 29212312 TI - Groove Pancreatitis: Endoscopic Treatment via the Minor Papilla and Duct of Santorini Morphology. AB - Background/Aims: Groove pancreatitis (GP) is an uncommon disease involving the pancreaticoduodenal area. Possible pathogenesis includes obstructive pancreatitis in the duct of Santorini and impaired communication with the duct of Wirsung, minor papilla stenosis, and leakage causing inflammation. Limited data regarding endoscopic treatment have been published. Methods: Seven patients with GP receiving endoscopic treatment were reviewed. The morphology of the pancreatic duct was evaluated by a pancreatogram. Endoscopic dilation of the minor papilla and drainage of the duct of Santorini were performed. Results: There were two pancreatic divisum cases, one ansa pancreatica case and four impaired connections between the duct of Santorini and the main pancreatic duct. Three to 31 sessions of endoscopy, with 2 to 24 sessions of transpapillary stenting and dilation, were performed. Interventions through the minor papilla were successfully performed in six of seven cases. The pancreatic stenting duration ranged from 2 to 87 months. Five patients with evidence of chronic pancreatitis (CP) tended to receive more endoscopic interventions than did the two patients without CP (2-24 vs 2, respectively) for GP and other complications associated with CP. Conclusions: Disconnection or impairment of communication between the ducts of Santorini and Wirsung was observed in all cases of GP. No surgery was required, and endoscopic minor papilla dilation and drainage of the duct of Santorini were feasible for the treatment of GP. PMID- 29212313 TI - Clinical Outcomes of Standard Triple Therapy Plus Probiotics or Concomitant Therapy for Helicobacter pylori Infection. AB - Background/Aims: The efficacy of standard triple therapy (STT) in treating Helicobacter pylori infection has decreased. Many investigators have attempted to increase the eradication rate. We investigated the outcomes of concomitant therapy (CT) and STT combined with probiotics (STP) as a first-line treatment for H. pylori infection. Methods: We reviewed the medical records of 361 patients who received either STP (n=286) or CT (n=75). The STP group received STT combined with a probiotic preparation for 1 week. The CT group received STT and metronidazole for 1 week. Results: The intention-to-treat and per-protocol eradication rates were 83.6% (95% confidence interval [CI], 79.0 to 87.7) and 87.1% (95% CI, 81.2 to 89.7) in the STP group and 86.7% (95% CI, 78.7 to 93.3) and 91.4% (95% CI, 83.6 to 97.1) in the CT group (p=0.512 and p=0.324), respectively. The frequency of adverse effects was higher in the CT group (28.2%) than in the STP group (12.8%) (p=0.002). Conclusions: STP and CT are encouragingly efficacious as first-line treatments for H. pylori infection. Therefore, adding probiotics to STT may be a feasible option to avoid side effects. PMID- 29212316 TI - Titanium-Oxide Host Clusters with Exchangeable Guests. AB - A novel family of water-soluble, polyoxocationic titanium-oxide host-guest clusters are reported herein. They exhibit an unprecedented hexagonal prismatic core structure for hosting univalent cationic guests like K+, Rb+, Cs+ and H3O+. Guest exchange has been studied using 133Cs NMR, showing the flexible pore of a host permits passage of a comparatively larger cation and giving an equilibrium constant of ca. 13 for displacing Rb+ by Cs+. Attractive ion-dipole interaction, depending on host-guest size complementarity, plays a dominant role for the preferential encapsulation of larger alkali-metal cationic guests. PMID- 29212314 TI - Rapid Changes in Serum Lipid Profiles during Combination Therapy with Daclatasvir and Asunaprevir in Patients Infected with Hepatitis C Virus Genotype 1b. AB - Background/Aims: Changes in lipid profiles in patients infected with hepatitis C virus (HCV) during direct-acting antiviral therapy have been reported in recent years. However, the clinical aspects of disturbed lipid metabolism in chronic HCV infection have not been fully elucidated. Methods: Dynamic changes in serum total, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) cholesterol and apolipoprotein levels in patients infected with HCV genotype 1b were examined during combination therapy with daclatasvir (DCV) and asunaprevir (ASV). Results: Total, LDL-, and HDL-cholesterol levels increased rapidly and persistently after week 4. Apolipoprotein (apo) A-I, apo B, apo C-II, and apo C III levels were significantly higher at week 4 than at week 0. In contrast, apo A II and apo E levels were significantly lower. The differences in LDL- and HDL cholesterol levels were positively correlated with those of apo B and apo A-I, respectively. Interestingly, in patients with non-sustained virological response, these cholesterol levels decreased rapidly after viral breakthrough or viral relapse. Furthermore, similar changes were observed for apo A-I, apo B and apo C III levels. Conclusions: Clearance of HCV using combination therapy with DCV and ASV results in rapid changes in serum lipid profiles, suggesting an influence of HCV infection on disturbed lipid metabolism. PMID- 29212315 TI - Post-ERCP Bleeding in the Era of Multiple Antiplatelet Agents. AB - Background/Aims: This study aimed to determine the risk of post-endoscopic retrograde cholangiopancreatography (post-ERCP) bleeding among patients taking antiplatelet agents (APAs), particularly in the era of multiple APAs. Methods: The primary outcomes were the frequency, type, and severity of ERCP-related bleeding according to the use of APAs. Results: The frequencies of post-ERCP bleeding among the four different groups were 16 of 2,083 (0.8%) in the no drug group, 12 of 256 (4.7%) in the aspirin group, 3 of 48 (6.3%) in the single APA group, and 4 of 48 (8.3%) in the multiple APA group (p<0.001). In the univariate analysis, post-ERCP bleeding was associated with age, pull-type sphincterotomy, and APA and was inversely associated with balloon dilation of the biliary orifice. In the multivariate analysis, pull-type sphincterotomy (odds ratio [OR], 7.829; 95% confidence interval [CI], 1.411 to 43.453; p=0.019) and country (Korea: OR, 0.124; 95% CI, 0.042 to 0.361; p<0.001) were associated with post ERCP bleeding. Conclusions: The frequency of post-ERCP bleeding was statistically higher in patients on any APA within 6 days prior to ERCP. However, in the multivariate analysis, APA use was not associated with post-ERCP bleeding. Until a large, adequately powered study to detect differences is performed, caution is recommended when considering invasive procedures during ERCP in patients on APAs. PMID- 29212318 TI - Protein Binding Kinetics in Multimodal Systems: Implications for Protein Separations. AB - In this work, quartz crystal microbalance with dissipation (QCM-D) was employed to study the kinetic processes involved in the interaction of proteins with self assembled monolayers (SAMs) of multimodal (MM) ligands. SAMs were fabricated to mimic two chromatographic multimodal resins with varying accessibility of the aromatic moiety to provide a well-defined model system. Kinetic parameters were determined for two different proteins in the presence of the arginine and guanidine and a comparison was made with chromatographic retention data. The results indicated that the accessibility of the ligand's aromatic moiety can have an important impact on the kinetics and chromatographic retention behavior. Interestingly, arginine and guanidine had very different effects on the protein adsorption and desorption kinetics in these MM systems. For cytochrome C, arginine resulted in a significant decrease and increase in the adsorption and desorption rates, respectively, while guanidine produced a dramatic increase in the desorption rate, with minimal effect on the adsorption rate. In addition, at different concentrations of arginine, two distinct kinetic scenarios were observed. For alpha-chymotrypsin, the presence of 0.1 M guanidine in the aromatic exposed ligand system produced an increase in the adsorption rate and only a moderate increase in the desorption rate, which helped to explain the surprising increase in the chromatographic salt elution concentration. These results demonstrate that protein adsorption kinetics in the presence of different mobile phase modifiers and MM ligand chemistries can play an important role in contributing to selectivity in MM chromatography. PMID- 29212319 TI - Discriminating Live and Dead Cells in Dual-Color Mode with a Two-Photon Fluorescent Probe Based on ESIPT Mechanism. AB - Discrimination of live and dead cells is an important task in biological, pathological, medical, and pharmaceutical studies. In this work, we have developed a novel fluorescent probe DACA that can discriminate live and dead cells in a dual-color mode for the first time. DACA can stain dead cells with blue fluorescence peaked at 440 nm, while it can also label live cells with orange emission peaked at 570 nm. Compared with one-color fluorescent probes, such a dual-color probe can efficiently avoid false positive results from cellular autofluorescence and misleading signals brought by inhomogeneous staining, and thus can supply more accurate information in biological applications. By means of DACA, the health status of tumor cells pretreated by H2O2 and ultraviolet radiation has been successfully detected and imaged. Moreover, DACA and the hydrolyzed product exhibit excellent two-photon properties. Live and dead cells, as well as the zebrafishes, have been discriminated with dual emission colors under one- and two-photon microscope. These results demonstrate that DACA is a powerful tool for dual-color distinguishing live and dead cells in vitro and in vivo. PMID- 29212317 TI - Targeted Measurements of O- and N-Glycopeptides Show That Proteins in High Density Lipoprotein Particles Are Enriched with Specific Glycosylation Compared to Plasma. AB - High density lipoprotein (HDL) particles are believed to be protective due to their inverse correlation with the prevalence of cardiovascular diseases. However, recent studies show that in some conditions such as heart disease and diabetes, HDL particles can become dysfunctional. Great attention has been directed toward HDL particle composition because the relative abundances of HDL constituents determine HDL's functional properties. A key factor to consider when studying the structure and composition of plasma particles is the protein glycosylation. Here, we profile the O- and N-linked glycosylation of HDL associated-proteins including the truncated form of Apo CIII and their glycan heterogeneity in a site-specific manner. Apolipoprotein CIII, fetuin A, and alpha 1 antitrypsin are glycoproteins associated with lipoproteins and are implicated in many cardiovascular and other disease conditions. A targeted method (UHPLC QQQ) was used to measure the glycoprotein concentrations and site-specific glycovariations of the proteins in human plasma and compared with HDL particles isolated from the same plasma samples. The proteins found in the plasma are differentially glycosylated compared to those isolated in HDL. The results of this study suggest that glycosylation may play a role in protein partitioning in the blood, with possible functional implications. PMID- 29212320 TI - Effect of Ammonia and Formic Acid on the OH* + HCl Reaction in the Troposphere: Competition between Single and Double Hydrogen Atom Transfer Pathways. AB - Quantum chemical calculations at QCISD and CCSD(T) levels of theory have been performed to investigate the effect of NH3 and HCO2H on the reaction between OH* and HCl. Potential energy profiles indicate that both NH3 and HCO2H catalyzed reactions could proceed through two different channels, namely, single and double hydrogen atom transfer. Theoretically calculated rate constants for both the catalysts show that both NH3 and HCO2H catalyzed channels prefer a single hydrogen atom transfer path. Besides, both NH3 and HCO2H catalyzed paths have higher rate constant values as compared to that of the water catalyzed path. PMID- 29212321 TI - On the Thermodynamic Stability of Clathrate Hydrates VI: Complete Phase Diagram. AB - We develop a method to evaluate the thermodynamic stability of clathrate hydrates relative to host water and/or guest species. This enables to investigate complete phase behaviors of clathrate hydrates in the whole space of the thermodynamic variables, not only temperature and pressure but also composition, with only the intermolecular interactions as input parameters. A complete phase diagram of clathrate hydrate is settled with this method, specifically the region enclosed by the hydrate/water and hydrate/guest phase boundaries where a clathrate hydrate is the only stable phase. The method is applied to methane clathrate hydrate, which results in an excellent agreement in dissociation pressure with the experimental observations. It is found that the hydrate/water phase boundary is significantly affected by the phase transition of water from ice to liquid. This transition limits the stable area of the clathrate hydrate terminated at the dissociation temperature, which otherwise exhibits unphysical divergence. It is essential to choose a pressure as an independent variable so as to calculate the accurate phase equilibria in composition space. The present method establishes a pressure-temperature-composition relation for a single stable phase of clathrate hydrate as well as recovering its temperature dependence of the dissociation pressure. PMID- 29212322 TI - An Electrochemical Reaction-Diffusion Model of the Photocatalytic Effect of Photosystem I Multilayer Films. AB - The photosynthetic protein, photosystem I (PSI), has been used as a photoactive species within a host of biohybrid photoelectrochemical systems. PSI multilayer films at electrode surfaces provide greatly improved solar energy conversion relative to homologous monolayer films. While the photocatalytic effect of PSI multilayers has been theorized as an electrolyte-mediated mechanism, no comprehensive, first-principles modeling study has been presented. In this work, we develop and optimize an electrochemical reaction-diffusion model to replicate the significant electrochemical, physicochemical, and transport processes that underpin photocurrent development of a PSI multilayer film. We use this model to provide strong evidence that PSI's terminal cofactors rapidly exchange electrons with diffusible mediators and stimulate photocurrent principally due to alteration of mediator concentrations at a solution-electrode interface as governed by Butler-Volmer kinetics. Our fitted model accurately replicates photocurrent trends under a variety of conditions, including variable applied bias and PSI multilayer film thickness. PMID- 29212323 TI - Asymmetric Synthesis of Dihydrocoumarins through Chiral Phosphoric Acid-Catalyzed Cycloannulation of para-Quinone Methides and Azlactones. AB - A chiral phosphoric acid-catalyzed approach constructing dihydrocoumarin motifs by the addition of azlactones to para-quinone methides (p-QMs) was developed. The reaction proceeded smoothly with a wide range of p-QMs and azlactones to generate corresponding products in high yields with excellent diastereoselectivities (>19:1 dr) and enantioselectivities (up to 99% ee). Two possible pathways were proposed to explain the stereoselectivity. PMID- 29212324 TI - Preparation of Ultrasensitive Humidity-Sensing Films by Aerosol Deposition. AB - Aerosol deposition (AD) is a novel ceramic film preparation technique exhibiting the advantages of room-temperature operation and highly efficient film growth. Despite these advantages, AD has not been used for preparing humidity-sensing films. Herein, room-temperature AD was utilized to deposit BaTiO3 films on a glass substrate with a Pt interdigital capacitor, and their humidity-sensing performances were evaluated in detail, with further optimization performed by postannealing at temperatures of 100, 200, ..., 600 degrees C. Sensor responses (i.e., capacitance variations) were measured in a humidity chamber for relative humidities (RHs) of 20-90%, with the best sensitivity (461.02) and a balanced performance at both low and high RHs observed for the chip annealed at 500 degrees C. In addition, its response and recovery were extremely fast, respectively, at 3 and 6 s and it kept a stable recording with the maximum error rate of 0.1% over a 120 h aging test. Compared with other BaTiO3-based humidity sensors, the above chip required less thermal energy for its preparation but featured a more than 2-fold higher sensitivity and a superior detection balance at RHs of 20-90%. Cross-sectional transmission electron microscopy imaging revealed that the prepared film featured a transitional variable-density structure, with moisture absorption and desorption being promoted by a specific capillary structure. Finally, a bilayer physical model was developed to explain the mechanism of enhanced humidity sensitivity by the prepared BaTiO3 film. PMID- 29212325 TI - Chronic Heat Stress Impairs the Quality of Breast-Muscle Meat in Broilers by Affecting Redox Status and Energy-Substance Metabolism. AB - We investigated the molecular mechanisms by which chronic heat stress impairs the breast-meat quality of broilers. Broilers were assigned to three groups: the normal control (NC) group, heat-stress (HS) group, and pair-fed (PF) group. After 7 days of heat exposure (32 degrees C), the high temperature had caused oxidative stress; elevated the activity of citrate synthase (CS), the mRNA expression of M-CPT1, and the phosphorylation level of AMPKalpha; and reduced the mRNA expression of avUCP. After 14 days of heat exposure, the heat stress had increased the lightness and drip loss and decreased the pH and shear force of the breast meat. Additionally, the heat exposure had increased the mRNA expressions of FAS, ACC, and PDK4; the content of lipids; and the activities of lactic dehydrogenase and pyruvate kinase, and it had decreased the mRNA expression of M CPT1 and the activity of CS. In conclusion, chronic heat stress impairs meat quality by causing mitochondria to malfunction and affecting energy-substance aerobic metabolism, resulting in increased glycolysis and intramuscular fat deposition. PMID- 29212326 TI - Folding Simulations of a Nuclear Receptor Box-Containing Peptide Demonstrate the Structural Persistence of the LxxLL Motif Even in the Absence of Its Cognate Receptor. AB - Regulation of nuclear receptors by their coactivators involves the recognition and binding of a specific sequence motif contained in the coactivator sequence. This motif is known as the nuclear receptor (NR) box and contains a conserved LxxLL subsequence, where L is leucine and x is any amino acid residue. Crystallographic studies have shown that the LxxLL motifs adopt an alpha-helical conformation when bound to their cognate nuclear receptors. Here we use an extensive set of folding molecular dynamics simulations to examine whether the alpha-helical conformation demonstrated by the LxxLL motifs in the bound state may represent a persistent structural preference of these peptides even in the absence of their cognate receptors. To this end, we have performed a grand total of 35 MUs of adaptive tempering folding simulations of an NR-box-containing peptide derived from Drosophila's fushi tarazu segmentation gene product. Our simulations-performed using full electrostatics and an explicit representation of two different solvents (water and a TFE/water mixture)-clearly indicate the presence of a persistent helical preference of the LxxLL motif with a concomitant native-like structure and contacts between the motif's leucine residues. To lend further support to our findings, we compare the simulation-derived peptide dynamics with experimental NMR-derived nuclear Overhauser effect (NOE) measurements that had been previously obtained for the same peptide in the same two solvents. The comparison demonstrates a quantitative agreement between simulation and experiment with average upper bound NOE violations of less than 0.084 A, thus independently validating our main conclusion concerning the intrinsic preference of NR-box motifs to form helical structures even in the absence of their cognate receptors. PMID- 29212327 TI - Physical Insights from New Nanomaterials in Biology. PMID- 29212328 TI - Spotlights: Volume 8, Issue 23. PMID- 29212329 TI - Free-standing hydrogel-particle composite membrane with dynamically controlled permeability. AB - The preparation and investigation of a free-standing membrane made from a composite of thermoresponsive poly(N-isopropylacrylamide) (pNIPAAm) and polystyrene nanoparticles (PS NP) with temperature-controlled permeability is reported. The method exploits the light-induced crosslinking of the photo reactive pNIPAAm-based polymer and mechanical reinforcement of the membrane structure by the polystyrene nanoparticles. About micrometer thick layers were either directly attached to a gold surface or prepared as free-standing layers spanning over arrays of microfluidic channels with a width of about hundred microns by using template stripping. Diffusion of liquid medium, low molecular weight molecules, and large molecular weight proteins contained in blood through the composite membrane was observed with combined surface plasmon resonance (SPR) and optical waveguide spectroscopy (OWS). The swelling ratio, permeability, and nonspecific sorption to these composite membranes were investigated by SPR and OWS as a function of molecular weight of analyte, loading of PS NP in the composite film, and temperature. The authors show successful preparation of a defect-free membrane structure that acts as a thermoresponsive filter with nanoscale pores spanning over an area of several square millimeters. This membrane can be reversibly switched to block or allow the diffusion of low mass molecules to the sensor surface by temperature-triggered swelling and collapsing of the hydrogel component. Blocking of diffusion and low unspecific sorption of proteins contained in blood serum is observed. These features make this platform interesting for potential future applications in continuous monitoring biosensors for the analysis of low molecular weight drug analytes or for advanced cell-on chip microfluidic studies. PMID- 29212330 TI - Gastric mucus and mucuslike hydrogels: Thin film lubricating properties at soft interfaces. AB - Mucus is a viscous slime that plays a vital role in protecting and lubricating biological tissues, in particular, soft epithelium interfaces such as in the stomach, intestines, and esophagus. Previous attempts to generate mucus models that mimick or simulate its characteristics have been predominantly focused on the rheological properties. This study investigates both rheological and tribological shear properties of thin films of gastric mucus from a porcine source and its mimics at compliant soft interfaces. The lubricating efficacy of biological mucus and its mimics was observed to be superior at hydrophilic tribological interfaces compared to hydrophobic ones. Facile spreading of all mucus samples at hydrophilic steel-polydimethylsiloxane (PDMS) interfaces allowed for the retainment of the lubricating films over a wide range of speed, slide/roll ratio, and external load. In contrast, poor wetting at hydrophobic PDMS-PDMS interfaces led to depletion of the mucus samples from the interface with increasing speed. Among the different mucus models investigated in this study, fluid mixtures of commercially available porcine gastric mucin (PGM) and polyacrylic acid (PAA) displayed the most persistent lubricating effects under various tribological experimental conditions. A mixture of PGM and PAA holds a high potential as mucus mimic, not only for its rheological similarity, but also for its excellent lubricity in soft compliant and hydrophilic contacts. PMID- 29212331 TI - Enhanced antibacterial activity of silver-ruthenium coated hollow microparticles. AB - The oxidation based antimicrobial activity of silver is long known. Microparticles with a particular silver-ruthenium coating and specific physical properties were developed. The coating showed a considerably increased silver ion release rate in comparison to a plain silver coating. Accordingly, an exposure of Escherichia coli and Staphylococcus aureus to these silver-ruthenium coated microparticles resulted in a time and concentration dependent cell killing. Even though contact killing may contribute to this efficacy, rather a release associated diffusion gradient dependent killing was observed. Moreover, cell killing did not involve lysis. The coated microparticles manifested no reduction in antibacterial activity for months. Due to their specific size and density, they sedimented slowly in aqueous solution, showed a low aggregation tendency, and could be recycled easily. Hence, these silver-ruthenium coated microparticles lend themselves to a wide range of antibacterial applications as they combine long-term stability and high efficacy with ease of use. PMID- 29212332 TI - Quo vadis diabetes technology? AB - Management of patients with diabetes mellitus who require intensive insulin therapy has changed dramatically. From urine and then whole blood glucose monitoring patients can now wear personal continuous glucose monitors; from using multiple insulin injections they can now deliver subcutaneous insulin continuously using ever-more sophisticated insulin pumps. With the current integration of continuous glucose monitoring and insulin pumps a new era is arriving when "smart" insulin pumps can automate insulin delivery to assure more stable glycemic control while minimizing episodes of hypoglycemia. This review briefly summarizes results of key research studies demonstrating feasibility of the technology. It also discusses patient selection and potential challenges faced by attempting to incorporate diabetes technology into daily clinical practice. Finally, an overview of integrated systems in current and planned clinical trials is presented. PMID- 29212333 TI - [Quo vadis diabetes technology?] AB - Management of patients with diabetes mellitus who require intensive insulin therapy has changed dramatically. From urine and then whole blood glucose monitoring patients can now wear personal continuous glucose monitors; from using multiple insulin injections they can now deliver subcutaneous insulin continuously using ever-more sophisticated insulin pumps. With the current integration of continuous glucose monitoring and insulin pumps a new era is arriving when "smart" insulin pumps can automate insulin delivery to assure more stable glycemic control while minimizing episodes of hypoglycemia. This review briefly summarizes results of key research studies demonstrating feasibility of the technology. It also discusses patient selection and potential challenges faced by attempting to incorporate diabetes technology into daily clinical practice. Finally, an overview of integrated systems in current and planned clinical trials is presented. PMID- 29212334 TI - [Hyperlipoprotienemias and (not only) atherosclerosis: fragments from history and present]. AB - The examples from the history, as well as the recent view, clearly demonstrate a great change in the perception of hyperlipoprotienemias and dyslipidemias (HLP and DLP) at the end of 20th and at the beginning of 21st century. Our aim is not a complex overview about HLP and DLP. We just want to describe the changing position and importance of these diseases in clinical medicine. We will touch cardiology, angiology, but also diabetology, hepatology and gastroenterology (pancreas). HLP and DLP, which started as a research topic in laboratory became clinically interesting as risk factors of atherosclerosis. They are understood as epidemic occurrence diseases, also in connection with metabolic syndrome. However, some of them, e.g. familial chylomicronemia or homozygous familial hypercholesterolemia fulfill criteria of rare diseases. PMID- 29212335 TI - [Glycemic variability and microvascular complications of diabetes]. AB - Vascular complications of diabetes result from long lasting unsatisfactory glycemic control. We usually assess glycemic control based on the value of glycated hemoglobin HbA1c. The glycated hemoglobin test, however, says nothing about short-term glycemic fluctuations. Recently, continuous monitoring of glycemia has enabled us an in-depth assessment of changes in glucose concentrations, called glycemic variability. Together with the research of short term glycemic variability, also the study of long-term fluctuations in glycemic control based on HbA1c variability has now intensified. Glycemic variability may be related to oxidation stress, endothelial dysfunction and inflammation, the factors traditionally associated with vascular damage. This overview summarizes the recent findings in the field of glycemic variability and its possible association with microvascular complications in patients with type 1 and type 2 diabetes.Key words: glycemic variability, HbA1c variability, microvascular complications, type 1 and type 2 diabetes mellitus. PMID- 29212336 TI - [New directions in bariatric and metabolic surgery]. AB - Czech Republic may be counted among the leading European Countries in regards of the level of delivered high quality multidisciplinary care in treatment of obesity and obesity related metabolic diseases. The 1st Faculty of Medicine (Charles University) and the Faculty General Hospital in Prague played the most important role in the development of bariatric and metabolic surgery in the Czech Republic. pCzech bariatric surgery achieves great successes both on national and international levels. Just to mention some of them: M. Fried and M. Peskova were among the very first worldwide to implant the non-adjustable gastric banding laparoscopically in 1993, the Czech Republic was among the seven Countries to establish the International Federation for the Surgery of Obesity /IFSO/ (Fried in 1995), to organize the first IFSO World Congress in Prague (1996), to co establish the IFSO-European Chapter in Prague (2004), to implant the first SAGB VC worldwide (Fried, Dolezalova, 2007), to organize the first European Workshop on Gastric Plication (Fried, Dolezalova, 2010), to co-lead development of the European Interdisciplinary Guidelines on Metabolic and Bariatric Surgery (Fried et al.,2013), and many others. In the beginning of bariatric surgery, the almost only indication criterion for operation was the criterion of weight loss. On the turn of the Century metabolic surgery gradually gained importance. The most important indication criterion for metabolic operations started to be improvement and/or resolution of obesity related co-morbidities, such as type 2 diabetes mellitus. Thus, the criterion of successful treatment shifted from weight loss towards improvement and resolution of metabolic diseases regardless the body mass index. In conjunction with importance of metabolic surgery, more emphasis is given to lowering the invasiveness of so far available minimally invasive/laparoscopic approaches form the perioperative perspective as well as from the anatomically sparing/reversible surgeries. PMID- 29212337 TI - [Status of pharmacotherapy in current care of obese]. AB - Weight loss drugs or anti-obesity drugs have a long history but are still far from being successful. Only in two last decades have the drugs been launched, which, when appropriately indicated, may be significantly beneficial to patients in need of weight loss as they are comparably effective to intensive programs to promote changes in eating habits and lifestyles. The combination naltrexone/bupropion is promising for food intake control including the reward mechanism, but the experience with its use has only been short-term. The lipase inhibitor orlistat remains the safest therapeutic option. The already restricted use of phentermine, newly classified as a controlled opiate substance, has become practically blocked. The range of weight loss drugs can be extended with some antidiabetics, particularly liraglutide and gliflozins. A number of other substances is still in the research stage. PMID- 29212338 TI - [Incidence of diabetes from the perspective of social security benefits]. AB - The article analyzes the development of the activity of Medical Assessment Service for people with diabetes mellitus for selected assessment categories in the assessment of health conditions from 2012 to 2016. The assessment criteria for assessing disability, the degree of dependency for care allowance and the health status for grant for special aid, and certificate of person with disability are set out in the legislation. The incidence of disability for diabetes declined by 13 % between 2012 and 2016 and by 10 % for the degree of dependency for care allowance. The assessment for grant for special aid increased by 57 %, for grant in the case when the aid is a "vehicle" decreased by 8 %. Most importantly increased assessing for certificate of person with disability by 150 %. The epidemic of diabetes in the population is not reflected in the incidence of disability and the degree of dependence. Both of these assessment categories were decreased, in spite of the fact that there account for almost 70 % of the whole assessment activity. The assessment for grant for special aid, and certificate of person with disability was increased. The cause may be due to incorrect statistical reporting, not up to date expert medical criteria, or poor patient awareness. PMID- 29212339 TI - [Anti-smoking act and the health care providers]. AB - On May 31, 2017 the anti-smoking act came into effect. This act deals with a lot of rights and duties of the health care providers. These legal provisions are presented and summarized in this article. PMID- 29212340 TI - Encouragers and discouragers affecting medical graduates' choice of regional and rural practice locations. AB - INTRODUCTION: Access to health care as near to where people live as possible is desirable. However, not enough medical graduates choose to work in rural and regional areas, especially in general practice. The career decisions of recent medical graduates are known to be affected by a variety of professional, societal and personal factors. Internationally, medical programmes have exposed students to regional and rural experiences partly to encourage them to seek employment in these areas after graduation. As such, the Pukawakawa Programme is a year-long regional and rural experience for selected Year 5 students from the University of Auckland‘s Medical Programme in New Zealand in partnership with the Northland District Health Board and two Primary Health Organisations. A lack of clarity about the drivers of rural and regional career decisions underpinned this study, which aimed to explore the barriers and encouragers for students of the programme to return as resident medical officers to the regional hospital where they had gained clinical experience. METHODS: A mixed-method, descriptive design was used, including a short survey, followed by participation in a focus-group discussion or a one-on-one interview. Survey data were summarised in tabular form and inductive, thematic analysis was applied to transcripts of focus groups and interviews. RESULTS: Nineteen doctors in their first or second year following graduation participated: 15 who had returned to the hospital where they had clinical experience in the programme and four who were employed elsewhere. 'A match of personal goals and intended career intentions' was the reason most frequently selected for junior doctors’ choice of early career employment. Other frequently selected reasons were lifestyle, friends and family close by, and the reputation and experience of the Pukawakawa Programme. Qualitative data revealed that the learning experience, the unique design of the curriculum and associated support from clinicians were identified as important factors in encouraging students to work in regional and rural environments. However, discouraging factors included separation from friends and families, geographical isolation and the lack of opportunities for partners to find work. CONCLUSIONS: This study has confirmed the value of the Pukawakawa Programme as an important contributor to the regional and rural workforce of the Northland District, New Zealand. The value of an academic-clinical partnership has been shown to support a regional and rural clinical learning environment. Evidence is provided of one way of having overcome barriers to building regional and rural workforce capacity in this district. PMID- 29212342 TI - Reducing Unnecessary Testing: Ultrasound in Acute Kidney Injury. PMID- 29212341 TI - Scavenging Reactive Oxygen Species Production Normalizes Ferroportin Expression and Ameliorates Cellular and Systemic Iron Disbalances in Hemolytic Mouse Model. AB - AIMS: Release of large amounts of free heme into circulation, overproduction of reactive oxygen species (ROS), and activation of toll-like receptor-4-dependent responses are considered critical for the ability of heme to promote oxidative stress and to initiate proinflammatory responses, posing a serious threat to the body. A deep understanding of the consequences of heme overload on the regulation of cellular and systemic iron homeostasis is, however, still lacking. RESULTS: The effects of heme on iron metabolism were studied in primary macrophages and in mouse models of acute and chronic hemolysis. We demonstrated that hemolysis was associated with a significant depletion of intracellular iron levels and increased expression of the sole iron exporter protein, ferroportin. The pathophysiological relevance of this mechanism was further demonstrated in sickle cell anemia mice, which, despite chronic hemolysis, maintained high ferroportin expression and increased iron export. We identified a redox active iron species and superoxide as regulators for ferroportin induction by heme. Scavenging the ROS production, by use of a pharmacological antioxidant N-acetylcysteine, prevented ferroportin induction and normalized intracellular iron levels in macrophages and in experimentally induced hemolysis in mice. INNOVATION: Our data propose that scavenging ROS levels may be a novel therapeutic strategy to balance intracellular iron levels and systemic iron influx in conditions associated with heme overload. CONCLUSION: This study identifies that the pro-oxidant, and not the proinflammatory, actions of heme profoundly impact on iron homeostasis by critically regulating the expression of ferroportin and iron export in hemolytic conditions. Antioxid. Redox Signal. 29, 484-499. PMID- 29212343 TI - Nonbacterial thrombotic endocarditis involving all four cardiac valves. AB - This report describes a case of nonbacterial thrombotic endocarditis caused by Waldenstrom macroglobulinemia, with diffuse endocardial lesions and involvement of all 4 cardiac valves. A 77-year-old man presented with heart failure due to severe regurgitation of all 4 cardiac valves; surgical repair using bioprosthetic valves was indicated. A pathological study revealed fibrin-triggered thrombus formation that confirmed the diagnosis of nonbacterial thrombotic endocarditis. In cases of nonbacterial thrombotic endocarditis, the underlying cause should be investigated. PMID- 29212344 TI - Results Obtained by Combining Different Estimators of EEG Connectivity Become Uninterpretable If the Underlying Models Are Incompatible. AB - We comment on a recent article published in Brain Connectivity (Hatz et al., 2016 ) that combined electroencephalography (EEG) microstate analysis with the phase locking index (PLI) and found that the test-retest reliability of connectivity patterns as obtained by the PLI increased when the data had been previously parcellated into microstates. Although we acknowledge the need to parcellate the continuous data into periods that supposedly correspond to transiently stable patterns of connectivity, we believe that the approach chosen by the authors is seriously mistaken. In particular, their approach disregards the particular a priori assumptions contained in each of the two methods that define connectivity in specific terms. Unfortunately, for microstate analyses and the PLI, these definitions are mutually exclusive, which makes attempts to draw any coherent conclusion in terms of comprehensibly interlinked biological processes meaningless. The occurrence of this type of problems should draw the attention to the importance of the particular methodological and conceptual features and limitations that come with the specific a priori assumptions contained in any quantifier of brain functional connectivity. PMID- 29212345 TI - A pilot investigation of an iOS-based app for toilet training children with autism spectrum disorder. AB - We developed an iOS-based app with a transmitter/disposable sensor and corresponding manualized intervention for children with autism spectrum disorder. The app signaled the onset of urination, time-stamped accidents for analysis, reminded parents to reinforce intervals of continence, provided a visual outlet for parents to communicate reinforcement, and afforded opportunity for timely feedback from clinicians. We compared this intervention with an intervention that uses standard behavioral treatment in a pilot randomized controlled trial of 33 children with autism spectrum disorder aged 3-6 years with urinary incontinence. Parents in both groups received initial training and four booster consultations over 3 months. Results support the feasibility of parent-mediated toilet training studies (e.g., 84% retention rate, 92% fidelity of parent-implemented intervention). Parents used the app and related technology with few difficulties or malfunctions. There were no statistically significant group differences for rate of urine accidents, toilet usage, or satisfaction at close of intervention or 3-month follow-up; however, the alarm group trended toward greater rate of skill acquisition with significantly less day-to-day intervention. Further development of alarm and related technology and future comparative studies with a greater number of participants are warranted. PMID- 29212346 TI - Palliative Care Providers' Practices Surrounding Psychological Distress Screening and Treatment: A National Survey. AB - OBJECTIVE: To investigate how inpatient palliative care teams nationwide currently screen for and treat psychological distress. METHODS: A web-based survey was sent to inpatient palliative care providers of all disciplines nationwide asking about their practice patterns regarding psychological assessment and treatment. Descriptive statistics were used to characterize the sample and responses, and analysis of variance was conducted to determine whether certain disciplines were more likely to utilize specific treatment modalities. RESULTS: A total of N = 236 respondents were included in the final analyses. Providers reported that they encounter psychological distress regularly in their practice and that they screen for distress using multiple methods. When psychological distress is detected, providers reported referring patients to an average of 3 different providers (standard deviation = 1.46), most frequently a social worker (69.6%) or chaplain (65.3%) on the palliative care team. A total of 84.6% of physicians and 54.5% of nurse practitioners reported that they prescribe anxiolytics or selective serotonin reuptake inhibitors to patients experiencing psychological distress. DISCUSSION AND CONCLUSIONS: This study revealed significant variability and redundancy in how palliative care teams currently manage psychological distress. The lack of consistency potentially stems from the variability in the composition of palliative care teams across care settings and the lack of scientific evidence for best practices in psychological care in palliative care. Future research is needed to establish best practices in the screening and treatment of psychological distress for patients receiving palliative care. PMID- 29212347 TI - Oxidative Stress: A Unifying Mechanism for Cell Damage Induced by Noise, (Water Pipe) Smoking, and Emotional Stress-Therapeutic Strategies Targeting Redox Imbalance. AB - SIGNIFICANCE: Modern technologies have eased our lives but these conveniences can impact our lifestyles in destructive ways. Noise pollution, mental stresses, and smoking (as a stress-relieving solution) are some environmental hazards that affect our well-being and healthcare budgets. Scrutinizing their pathophysiology could lead to solutions to reduce their harmful effects. Recent Advances: Oxidative stress plays an important role in initiating local and systemic inflammation after noise pollution, mental stress, and smoking. Lipid peroxidation and release of lysolipid by-products, disturbance in activation and function of nuclear factor erythroid 2-related factor 2 (Nrf2), induction of stress hormones and their secondary effects on intracellular kinases, and dysregulation of intracellular Ca2+ can all potentially trigger other vicious cycles. Recent clinical data suggest that boosting the antioxidant system through nonpharmacological measures, for example, lifestyle changes that include exercise have benefits that cannot easily be achieved with pharmacological interventions alone. CRITICAL ISSUES: Indiscriminate manipulation of the cellular redox network could lead to a new series of ailments. An ideal approach requires meticulous scrutiny of redox balance mechanisms for individual pathologies so as to create new treatment strategies that target key pathways while minimizing side effects. FUTURE DIRECTIONS: Extrapolating our understanding of redox balance to other debilitating conditions such as diabetes and the metabolic syndrome could potentially lead to devising a unifying therapeutic strategy. Antioxid. Redox Signal. 28, 741-759. PMID- 29212348 TI - Evaluating eight-year trajectories for sense of purpose in the health and retirement study. AB - OBJECTIVES: Though cross-sectional research has suggested that sense of purpose declines into older adulthood, it remains unclear whether inter-individual variability occurs in these trajectories, and what factors predict these trajectories. The current study provides one of the first longitudinal investigations into how individuals' sense of purpose fluctuates in older adulthood. METHOD: Participants from the Health and Retirement Study (n = 4,234, mean age = 65 years), completed assessments of sense of purpose over three years, along with multiple potential predictors (health, personality, demographics) at the start. RESULTS: Second-order latent growth models demonstrated both mean level declines on purpose over time, as well as the capacity for inter-individual variability in change patterns for retired adults. Among this cohort, health status, educational attainment, and marital status were significant predictors of purpose trajectories over time, though broad personality trait dimensions failed to uniquely predict change in sense of purpose. However, measurement invariance tests suggest that the scale did not operate similarly across work status groups. CONCLUSION: Findings advance the previous literature by demonstrating inter individual variability in sense of purpose for those participants who had retired. Future research should consider that purpose inventories may operate differently for those in the workplace versus retired adults. PMID- 29212349 TI - Comparison of In-Person and Online Motivational Interviewing-Based Health Coaching. AB - Health coaching is a common approach for promoting lifestyle changes, but little is known about the effectiveness of different delivery methods. The purpose of this study was to evaluate the effectiveness of in-person versus online health coaching when used as part of a facilitated behavior change program. To increase translatability, the study used a naturalistic design that enabled participants to self-select the coaching delivery method (Group) as well as the target behavior (diet, physical activity, or weight management). Regardless of group, participants were provided with a behavior-based monitoring device and guided to use it by the health coach. A sample of 92 adults participated and 86 completed pre-post evaluations to assess behavior change strategies and posttest outcome measurements for their specific goal. Two-way (Group * Time) analyses of variance were used to evaluate changes in behavioral strategies. Intent-to-treat regression analyses were used to compare postintervention outcomes for groups. The in-person group had significantly higher Healthy Eating Index scores than the online group ( p < .05), but nonsignificant group differences were observed for those targeting physical activity or weight change ( p > .05). The results support the use of health coaching for promoting behavior change and suggest that online coaching may be equally effective as in-person methods. PMID- 29212350 TI - The Effects of Cognitive Training on Cognitive Abilities and Everyday Function: A 10-Week Randomized Controlled Trial. AB - With a random groups design, the current study examined whether a 10-week cognitive training could improve healthy older adult's cognitive functions and everyday problem-solving and whether high ecological validity trainings would have greater positive impact upon everyday problem-solving than low ecological validity trainings. Eighty-six healthy Chinese older adult participants were assigned randomly to five groups, including one control group receiving no training and four groups receiving low ecological memory training, high ecological memory training, low ecological reasoning training, and high ecological reasoning training, respectively. Participants were measured pre- and posttraining on spatial working memory, numerical working memory, reasoning, and everyday problem-solving. Results of this study showed that cognitive training significantly improved targeted cognitive functions and everyday problem-solving performance in all the intervention groups. However, high ecological cognitive trainings failed to show superior impact upon everyday problem-solving compared with low ecological cognitive trainings. PMID- 29212352 TI - Sounds Good-A Sonographic Approach for Dealing With a Rising Vascular Problem. PMID- 29212353 TI - Psoriasis and Cardiovascular Risk: Correlation Between Psoriasis and Cardiovascular Functional Indices. AB - Evidence suggests that psoriasis together with other cardiovascular (CV) risk factors is associated with increased vascular morbidity, but it is not clear whether psoriasis is an independent risk factor. Consecutive patients (n = 33; 35.6 +/- 5.7 years; 13 females) with mild psoriasis (Psoriasis Area and Severity Index <10) without comorbidities and 33 healthy participants (36.3 +/- 5.9 years; 15 females) were enrolled. Both groups underwent echocardiography, speckle tracking (2-dimensional strain echocardiography [2D-SE]), and pulse wave velocity (PWV) testing. Clinical and conventional echocardiographic characteristics were comparable between both groups. Global longitudinal strain (GLS) was significantly lower ( P = .002) in the psoriasis group (22.39% +/- 2.28%) than in controls (24.15% +/- 2.17%). The PWV was significantly lower ( P = .004) in controls (8.06 +/- 1.68 m/s) than in the psoriasis group (9.23 +/- 1.53 m/s). Significant correlations between GLS and disease duration ( r = -.66, P < .0001) and between GLS and patient age at diagnosis ( r = .48, P = .0043) were found. Psoriasis may be an independent CV risk factor, causing cardiac and vascular impairment. Both 2D-SE and PWV may be useful tools for the screening of CV risk in these patients. PMID- 29212354 TI - Image quality assessment of silent T2 PROPELLER sequence for brain imaging in infants. AB - OBJECTIVE: Infants are vulnerable to high acoustic noise. Acoustic noise generated by MR scanning can be reduced by a silent sequence. The purpose of this study is to compare the image quality of the conventional and silent T2 PROPELLER sequences for brain imaging in infants. METHODS: A total of 36 scans were acquired from 24 infants using a 3 T MR scanner. Each patient underwent both conventional and silent T2 PROPELLER sequences. Acoustic noise level was measured. Quantitative and qualitative assessments were performed with the images taken with each sequence. RESULTS: The sound pressure level of the conventional T2 PROPELLER imaging sequence was 92.1 dB and that of the silent T2 PROPELLER imaging sequence was 73.3 dB (reduction of 20%). On quantitative assessment, the two sequences (conventional vs silent T2 PROPELLER) did not show significant difference in relative contrast (0.069 vs 0.068, p value = 0.536) and signal-to noise ratio (75.4 vs 114.8, p value = 0.098). Qualitative assessment of overall image quality (p value = 0.572), grey-white differentiation (p value = 0.986), shunt-related artefact (p value > 0.999), motion artefact (p value = 0.801) and myelination degree in different brain regions (p values >= 0.092) did not show significant difference between the two sequences. CONCLUSION: The silent T2 PROPELLER sequence reduces acoustic noise and generated comparable image quality to that of the conventional sequence. Advances in knowledge: This is the first report to compare silent T2 PROPELLER images with that of conventional T2 PROPELLER images in children. PMID- 29212355 TI - The utility of contrast-enhanced hypodense sign for the diagnosis of pulmonary invasive mould disease in patients with haematological malignancies. AB - OBJECTIVE: The hypodense sign (HyS) on CT imaging is highly suggestive of pulmonary invasive mould disease (IMD) in patients with haematological malignancies, but its diagnostic utility has not been systematically evaluated on contrast-enhanced CT. The objective of this study was to compare the diagnostic performance of the HyS to other common CT findings in a cohort of haematology patients with proven, probable or possible IMD based on European Organization for Research and Treatment of Cancer/Mycoses Study Group criteria. METHODS: We analysed the diagnostic performance of the HyS to other common CT signs among 127 neutropenic patients with haematological malignancies submitted to both non contrast-enhanced and contrast-enhanced CT scans of the lungs, including CT pulmonary angiography. RESULTS: The HyS was detected in 15.7% of patients imaged without contrast, and 44.1% after contrast administration. A contrast-aided HyS was detected in 86.6, 78.0 and 15.5% of patients with European Organization for Research and Treatment of Cancer/Mycoses Study Group proven, probable and possible IMD, respectively. When analysed per clinical diagnosis (proven, probable and highly possible IMD-i.e. no alternative diagnosis to mould disease reached), the contrast-enhanced HyS was as sensitive as the halo sign but significantly more specific [halo sign 0.56, 95% CI (0.39-0.71) vs HyS 0.98, 95% CI (0.87-1.00)]. Only the vessel occlusion sign was more sensitive [0.97, 95% CI (0.91-0.99)] and specific [0.97, 95% CI (0.86-0.99)] than the HyS for IMD diagnosis. CONCLUSION: The high specificity of the HyS strongly supports the diagnosis of pulmonary IMD in neutropenic patients, and is highly suggestive breakthrough fungal disease in patients on mould-active antifungal prophylaxis. Advances in knowledge: This is the first systematic analysis of the hypodense sign on contrast-enhanced CT; the sign can support the diagnosis of IMD when other CT signs are uncertain. PMID- 29212351 TI - The Multifaceted Impact of Peroxiredoxins on Aging and Disease. AB - SIGNIFICANCE: Peroxiredoxins (Prxs), a family of thiol-associated peroxidases, are purported to play a major role in sensing and managing hydrogen peroxide concentrations and transducing peroxide-derived signals. Recent Advances: Prxs can act as detoxifying factors and impart effects to cells that can be either sparing or suicidal. Advances have been made to address the qualitative changes in Prx function in response to quantitative changes in the signal level and to understand how Prx activity could be affected by their own substrates. Here we rationalize the basis for both positive and negative effects on signaling pathways and cell physiology, summarizing data from model organisms, including invertebrates. CRITICAL ISSUES: Resolving the relationship between the promiscuous behavior of reactive oxygen species and the specificity of Prxs toward different targets in redox-sensitive signaling pathways is a key area of research. Attempts to understand Prx function and underlying mechanisms were conducted in vitro or in vivo under nonphysiological conditions, leaving the physiological relevance yet to be defined. Other issues: Why despite the high degree of homology and similarities in subcellular and tissue distribution between Prxs do they display differential effects on signaling? How is the specificity of post-translational protein modifications determined? Other than chaperone-like activity, how do hyperoxidized Prxs function? FUTURE DIRECTIONS: Genetic models with mutated catalytic and resolving cysteines should be further exploited to dissect the functional significance of individual Prxs in their different states together with their alternative reducing partners. Such an analysis may then be extended to help identify Prx-specific targets. PMID- 29212356 TI - Does the total dysphagia risk score correlate with swallowing function examined by videofluoroscopy? AB - OBJECTIVE: The purpose of this study was to correlate the total dysphagia risk score (TDRS) with swallowing function as measured by videofluoroscopy of swallowing using the swallowing performance scale (SPS) and the penetration aspiration scale (PAS). METHODS: 63 patients from two different centres treated with radiotherapy for head and neck cancer were evaluated in the current study. Swallowing videofluoroscopies at baseline, 6 and 12 months following radiotherapy were evaluated by two observers. The TDRS of all patients was calculated and correlated with the consensus PAS and SPS scores of the two observers. RESULTS: Regarding the PAS scale, we did not observe a significant correlation with the TDRS. Regarding SPS, we found a significant correlation at 6 months (p = 0.01) and a borderline significant correlation at 12 months (p = 0.05). We observed statistically lower SPS scores for patients in the intermediate-risk category when compared to the high-risk category. When we compared low vs high TDRS risk patients, we did not observe a significant difference regarding SPS scores. When comparing low- vs intermediate-risk patients, we observed higher SPS scores in the low-risk group (p = 0.01). When the low- and intermediate-risk patients were grouped together, we observed less swallowing problems as measured by SPS in the low and intermediate group when compared to the high-risk group (p = 0.05) at 6 months. CONCLUSION: Patients with high-risk TDRS scores have higher SPS scores when compared to the intermediate group and the intermediate- and low-risk group together. However, low-risk patients in our patient cohort could not be distinguished from high or intermediate-risk patients. Advances in knowledge: TDRS was never correlated with videofluoroscopies in past studies. The hypothesis of this paper was to see if the TDRS could guide us to see which patients are at risk for high scores on SPS and PAS and might need a videofluoroscopic examination in the follow up. Given the poor correlations in our study, however, we cannot recommend the use of the TDRS to select patients who might benefit from the additional information provided by videofluoroscopies. PMID- 29212357 TI - Manufacture of Third-Generation Lentivirus for Preclinical Use, with Process Development Considerations for Translation to Good Manufacturing Practice. AB - Lentiviral vectors are used in laboratories around the world for in vivo and ex vivo delivery of gene therapies, and increasingly clinical investigation as well as preclinical applications. The third-generation lentiviral vector system has many advantages, including high packaging capacity, stable gene expression in both dividing and post-mitotic cells, and low immunogenicity in the recipient organism. Yet, the manufacture of these vectors is challenging, especially at high titers required for direct use in vivo, and further challenges are presented by the process of translating preclinical gene therapies toward manufacture of products for clinical investigation. The goals of this paper are to report the protocol for manufacturing high-titer third-generation lentivirus for preclinical testing and to provide detailed information on considerations for translating preclinical viral vector manufacture toward scaled-up platforms and processes in order to make gene therapies under Good Manufacturing Practice that are suitable for clinical trials. PMID- 29212358 TI - A Mediation Analysis of Mothers' Dietary Intake: The Entre Familia: Reflejos de Salud Randomized Controlled Trial. AB - AIMS: Examine intervention effects among mothers involved in a healthy eating randomized controlled trial. Furthermore, examine the mediating roles of individual and familial influences on observed outcomes. METHODS: Between 2009 and 2011, 361 families were recruited; half were assigned to an 11-session community health worker-delivered family-based intervention targeting Spanish speaking Latino families in Imperial County, California. The intervention was delivered over a 4-month period. Home visits and telephone calls were delivered approximately weekly, with tapering near the end of the intervention to promote independence from the promotora. In this article, mothers' self-reported dietary intake was the primary outcome. Evaluation measures were taken at baseline, 4 months, and 10 months. RESULTS: Daily servings of fruits were higher among intervention versus control mothers (mean = 1.86 vs. mean = 1.47; effect size [ES] = 0.22) at 10 months post-baseline. Mothers in the intervention versus control condition also reported consuming a lower percent energy from fat (mean = 30.0% vs. 31.0%; ES = 0.30) and a higher diet quality (mean = 2.93 vs. mean = 2.67; ES = 0.29). Mediators of improvements were behavioral strategies to increase fiber and lower fat intake, family support for vegetable purchasing, and decreased unhealthy eating behaviors and perceived family barriers to healthy eating. DISCUSSION AND CONCLUSION: Family-based behavioral interventions are effective for changing the skills and family system needed to improve diet among Latina mothers. Health care providers and other practitioners are encouraged to target skill development and fostering a socially supportive environment. PMID- 29212359 TI - Anti-inflammatory constituents from Psychotria prainii H. Lev. AB - One new and three known compounds were isolated from the ethanol extract of Psychotria prainii aerial parts. By means of spectroscopic methods, their structures were elucidated to be deacetylasperulosidic acid 6-ethyl ether (1), asperulosidic acid (2), asperuloside (3) and obtucarbamates C (4). The isolated compounds were evaluated for their inhibitory effect on NO production in LPS stimulated RAW264.7 cells. Among them, compounds 2 and 4 exhibited strong effect with the IC50 values of 5.75 +/- 0.85 and 6.92 +/- 0.43 MUM, respectively. This is the first report for the chemical composition and biological activity of P. prainii. PMID- 29212360 TI - A new denudatine type C20-diterpenoid alkaloid from Aconitum sinchiangense W. T. Wang. AB - A new denudatine-type C20-diterpenoid alkaloid, designated as sinchianine (1), together with eight known diterpenoid alkaloids, 12-acetyl-12-epi-napelline (2), 12-epi-napelline (3), neoline (4), talatisamine (5), 14-O-acetylsenbusine A (6) and benzoylaconine (7), songorine (8) and aconitine (9), were isolated from the whole herb of Aconitum sinchiangense W. T. Wang. Their structures were elucidated on the basis of extensive spectroscopic analyses (NMR and HR-ESI-MS) and comparison with data reported in the literature. PMID- 29212361 TI - Psychosocial Burden and Stigma Perception of Jordanian Patients With Epilepsy. AB - Epilepsy requires long-term treatment that interferes with individuals' social relationships. Because the effects of psychosocial burden and stigma perception on patients with epilepsy in Jordan have not been explored, the study assessed the relationship among psychosocial burden, stigma of epilepsy, and demographic variables. Subjects were adult patients with epilepsy ( N = 200) registered at hospital clinics. Two published instruments were used to measure outcomes. The participants in the study perceived the burden and stigma of epilepsy as moderate. A strong, positive correlation between psychosocial burden and stigma perception among participants was found. Stigma perception, employment, and education variables explained 31.6% of variation of the level of psychosocial burden. The results showed a relationship between stigma perception and psychosocial level, and this provides information that may assist health care providers in formulating strategic plans to improve the care, safety, and quality of life of patients with epilepsy in Jordan. PMID- 29212362 TI - How health professionals facilitate parents' involvement in decision-making at the hospital: A parental perspective. AB - In many western countries, parents have a legal right to influence and be involved in decision-making (DM) surrounding their children's healthcare. This ensures that the healthcare is customized as far as possible to meet the children's and families' needs and preferences. However, parental involvement in such DM is not sufficiently implemented and the parental role during hospitalizations has become demanding. More knowledge is required to inform health professionals (HPs) about how to improve parental involvement in DM from a health-promoting perspective. The aims of this study were to explore parents' experiences of how HPs facilitate their involvement in the DM surrounding their child's healthcare and to identify how HPs can improve parental involvement at the hospital. This was an explorative, descriptive qualitative study within a constructivist research paradigm, comprising a purposive sample of 12 parents participating in individual semi-structured interviews. Qualitative content analysis was performed. The findings showed that HPs' sensitivity to parents' capacity, resources and needs was essential in order to facilitate the latter's involvement in DM. HPs' sensitivity also seemed to influence the quality of communication and the HP-parent relationship. Moreover, these factors appeared to affect parents' coping ability during their children's hospitalization. PMID- 29212363 TI - Laparoscopic vs Percutaneous Cryotherapy for Renal Tumors: A Systematic Review and Meta-Analysis. AB - BACKGROUND: Cryoablation has emerged as an alternative to the more invasive partial nephrectomy for small renal masses. The approach can be carried out by two techniques, either laparoscopic cryoablation (LCA) or percutaneous cryoablation, (PCA) with CT guidance. We aimed to compare between the two procedures. MATERIALS AND METHODS: A systematic review and meta-analysis was conducted, including studies comparing the two techniques. Outcomes included incomplete ablation, late local recurrence, cancer-specific survival, procedure time, transfusion rates, hospital stay, and complications. RESULTS: A total of 1475 patients were included, 788 patients in the laparoscopic group and 687 patients in the percutaneous group. There was statistical difference favoring the laparoscopic group with regard to having less incomplete ablation (p = 0.0008) and higher cancer-specific survival patients (p = 0.04). However, there was longer hospital stays in the LCA group (p < 0.00001) and was found to be more costly than the PCA group. There was significantly more Clavien-I complications in the PCA group (p = 0.001) and more Clavien-III complications in the LCA group (p = 0.001). Otherwise, there were no differences in any other outcome parameter. CONCLUSION: LCA was found to have less incomplete tumor ablation rates and higher cancer-specific survival rates, however, higher hospitalization time, more major complications (Clavien III), and was costlier compared with PCA. PMID- 29212364 TI - Corrigendum. PMID- 29212365 TI - Impact of metabolic control on macular thickness in diabetic macular oedema. AB - PURPOSE: To investigate the impact of metabolic control on macular thickness measured using optical coherence tomography in patients with diabetic retinopathy with or without macular oedema. METHODS: A total of 124 patients with diabetic retinopathy ( n = 70 without macular oedema and n = 54 with macular oedema) were enrolled. Optical coherence tomography parameters measured included central macular thickness and total macular volume. Metabolic factors with correlation to optical coherence tomography parameters were fasting plasma glucose, glycosylated haemoglobin, triglyceride, low-density lipoprotein and estimated glomerular filtration rate. Multiple linear regression models were used to evaluate associations between optical coherence tomography parameters and metabolic factors. RESULTS: Higher glycosylated haemoglobin values were correlated with increased central macular thickness in patients without macular oedema ( R = 0.289, p = 0.015), whereas glycosylated haemoglobin values were inversely associated with central macular thickness in patients with macular oedema ( R = 0.374, p = 0.005). Both were found to be statistically significant after adjusting for age, sex and diabetic retinopathy severity in addition to other metabolic factors ( p = 0.009 and p = 0.002, respectively). CONCLUSION: Strict metabolic control may not be associated with better macular thickness in diabetic patients with co-existing macular oedema. PMID- 29212366 TI - A new12-membered lactone from the stems of Ficus auriculata. AB - A new lactone ficusine D (1), together with six known compounds (2-7) were isolated from the stems of the Ficus auriculata. The new compound 1 was a rare 12 membered lactone containing a quinone ring skeleton. The structure of the 1 was elucidated by comprehensive spectroscopic data. The relative and absolute configurations of 1 were elucidated by the ROESY analysis and biogenesis pathway. All compounds were evaluated for their antibacterial activities against six pathogenic bacteria in vitro. Compounds 6 and 7 exhibited potent antibacterial activities against Bacillus cereus with the MIC values of 2.5 and 5 MUM, respectively. PMID- 29212367 TI - Assessment of Patient and Surgical Variables Including Residency Training Level on Adverse Events After Ureteroscopy for Ureteral Stones: A Multivariate Analysis. AB - PURPOSE: With advances in technology, ureteroscopy (URS) is increasingly utilized for the management of urolithiasis. Previous studies have attempted to characterize the post-operative complication and readmission rates relative to the technical difficulty of the procedure. There is limited data exploring the resident level of training and its effect on adverse outcomes in these cases. We review our experience with URS to create a model to predict factors, including resident experience, that affect rates of post-operative complications. MATERIALS AND METHODS: We reviewed ureteroscopies performed at our academic facility from January 2009 to December 2013. Ureteral-only stones were examined for demographics, stone characteristics, operative techniques, and resident training level. Post-operative adverse events requiring urology consultation, clinic or emergency department visits, hospital admission, prolonged post-operative hospitalization, or unplanned repeat surgery within 30 days of the procedure were identified and analyzed. RESULTS: Four hundred seventeen cases of URS for ureteral-only stones were included for study. We identified 53 (12.7%) involving an unexpected post-operative course. Several logistic regression models were created to make a predictive model of adverse events. One model found only lack of stone clearance to be significant for increasing the likelihood of an adverse event. A second model determined that no residency year showed higher odds of adverse outcomes. CONCLUSIONS: URS has increased in prevalence in recent years, but overall complication rates are low. Resident level of experience does not appear to impact adverse event rate. Stone clearance during initial surgery appears to be the most important in avoiding adverse events. Further expansion of the database over time will improve our ability to predict adverse outcomes in this common procedure. PMID- 29212368 TI - Impact of Variations in Prostatic Apex Shape on Apical Margin Positive Rate After Radical Prostatectomy: Robot-Assisted Laparoscopic Radical Prostatectomy vs Open Radical Prostatectomy. AB - AIM: To evaluate the effects of prostatic apex shape variations on positive apical margin (PAM) rate after radical prostatectomy (RP) by undertaking a comparative study of robot-assisted laparoscopic radical prostatectomy (RALP) vs open radical prostatectomy (ORP). PATIENTS AND METHODS: A total of 3324 cases of RP (1004 ORP and 2320 RALP) from January 2004 to March 2017 were retrospectively reviewed. All patients underwent preoperative MRI and the cohorts were stratified into four categories according to prostatic apical shape at the midsagittal plane. Between ORP and RALP groups, age, body mass index, preoperative prostate specific antigen (PSA), biopsy and pathological Gleason score (GS), clinical and pathological stage, and prostatic apex shapes were compared. Logistic regression analyses were performed to evaluate significant predictors of PAM. Propensity adjustments were undertaken before statistical analysis to minimize the lack of randomization. RESULTS: ORP and RALP groups showed no significant differences in age, body mass index, PSA, biopsy and pathological GS, clinical and pathological stage, as well as prostatic apical shape variations. The ORP group showed a PAM of 17.5% that was significantly higher than 12.3% of the RALP group (p < 0.001). Both groups showed the highest PAM with apical type 3, which is the apex covering the posterior aspect of membranous urethra (ORP 33.9%, RALP 28.5%). In unadjusted data, multiple logistic regression analysis showed that prostate apical type 3 was a significant independent predictor of PAM, but other apex types were not. CONCLUSIONS: Prostate apical type 3 was a significant independent predictor of PAM. The RALP group showed better outcomes in terms of PAM compared with the ORP group. Preoperative MRI might be a potentially useful tool for preoperative designing of the surgical modalities. PMID- 29212369 TI - Chemical characterisation of the constituents of Eugenia protenta McVaugh and leishmanicidal activity of dimethylxanthoxylin. AB - The chemical study of Eugenia protenta McVaugh extracts performed by classical and high-performance liquid chromatography techniques and spectral methods has led to the identification of known triterpenoids, flavonoids and an acetophenone derivative (dimethylxanthoxylin). The effect of dimethylxanthoxylin on Leishmania (Leishmania) amazonensis was evaluated against the promastigotes forms after 96 h of treatment. Dimethylxanthoxylin reduced 57 and 59% of the promastigotes growth when treated with 50 and 100 MUg/mL solutions, respectively (IC50 117.35 MUg/mL or 52.3 MUM). Cytotoxicity experiments using MTT assays showed that this substance did not promote cell death after 24 h of treatment. Dimethylxanthoxylin was active on the promastigotes and could be a promising agent for treating leishmaniasis. PMID- 29212371 TI - Antioxidant activities and bioactive compounds of five Jalopeno peppers (Capsicum annuum) cultivars. AB - The present study was designed to evaluate the contents of different antioxidants compounds and their antioxidant activities in Jalopeno peppers (Capsicum annuum) cultivars (El Dorido, Grande, Tula, Sayula and El Rey) extracts. Free radical scavenging activity of Grande was recorded as high as 87% followed by El Dorido (83%). Results of reducing power (Fe3+ to Fe2+) showed that Grande (0.85%) and El Dorido (0.81%) fruit extract absorbance value were close to synthetic antioxidant BHT (0. 97%) obtained at100 MUg/mL. The results showed that total phenolic content of El Dorido and Grande were significantly higher compared to other Jalapeno pepper. Results indicated strong and positive correlation between antioxidant activity and carotenoids content (r = 0.75), vitamin C (r = 0.78) and total capsaicinoids (r = 0.84), respectively. The results of the antioxidant activity assays showed that the El Dorido and Grande had strongest antioxidant activity compared to other peppers cultivars in this study. PMID- 29212370 TI - Psychological interventions for coronary heart disease: Cochrane systematic review and meta-analysis. AB - Background Although psychological interventions are recommended for the management of coronary heart disease (CHD), there remains considerable uncertainty regarding their effectiveness. Design Systematic review and meta analysis of randomised controlled trials (RCTs) of psychological interventions for CHD. Methods The Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, CINAHL and PsycINFO were searched to April 2016. Retrieved papers, systematic reviews and trial registries were hand-searched. We included RCTs with at least 6 months of follow-up, comparing the direct effects of psychological interventions to usual care for patients following myocardial infarction or revascularisation or with a diagnosis of angina pectoris or CHD defined by angiography. Two authors screened titles for inclusion, extracted data and assessed risk of bias. Studies were pooled using random effects meta-analysis and meta-regression was used to explore study-level predictors. Results Thirty-five studies with 10,703 participants (median follow-up 12 months) were included. Psychological interventions led to a reduction in cardiovascular mortality (rfcelative risk 0.79, 95% confidence interval [CI] 0.63 to 0.98), although no effects were observed for total mortality, myocardial infarction or revascularisation. Psychological interventions improved depressive symptoms (standardised mean difference [SMD] -0.27, 95% CI -0.39 to -0.15), anxiety (SMD 0.24, 95% CI -0.38 to -0.09) and stress (SMD -0.56, 95% CI -0.88 to -0.24) compared with controls. Conclusions We found that psychological intervention improved psychological symptoms and reduced cardiac mortality for people with CHD. However, there remains considerable uncertainty regarding the magnitude of these effects and the specific techniques most likely to benefit people with different presentations of CHD. PMID- 29212372 TI - Crowdsourcing Evaluation of Ureteroscopic Videos Using the Post-Ureteroscopic Lesion Scale to Assess Ureteral Injury. AB - INTRODUCTION AND OBJECTIVES: We hypothesized that crowdsourcing assessments could be applied to the Postureteroscopic Lesion Scale (PULS) for ureteral injury. METHODS: At a single institution, we prospectively digitally recorded 14 ureters at the terminal portion of standard ureteroscopic procedures. Each recording was reviewed by 10 global experts to determine a mean PULS score. Following training, the Crowd-Sourced Assessment of Technical Skills, C-SATS(r) (C-SATS, Inc., Seattle, WA) platform was used to obtain crowd-based reviews. The mean crowd PULS scores was determined using the linear mixed-effects (LME) model. The intraclass correlation coefficient (ICC) was calculated to measure the agreement among experts. Spearman's rank correlation (rho) was used to quantify the strength of the relationship between the crowd LME mean and the experts. RESULTS: Ten expert's reviews and 2100 layman reviews were obtained in 21 days and 49 hours, respectively. The ICC for the 10 experts was 0.68 (95% confidence interval 0.49, 0.86). When the expert mean PULS was <1, the crowd scored those recordings at 1 or greater. The highest scored recording by the experts was a 3.2, which the crowd scored at 2.25. The correlation between the crowd LME means and expert means across all videos was 0.70 (p = 0.0056) indicative of moderately strong agreement. CONCLUSION: In this initial application of crowd-sourced evaluation of ureteral injury, there was a moderately strong correlation between crowd and expert ratings. Refinement of the training, through exposure to the nuances of ureteral injuries, in particular for PULS <1 or >=3, may lead to better crowd/expert correlation. Compared to expert review, crowd data can be collected with much greater efficiency. PMID- 29212373 TI - Propensity Score-Matched Analysis Comparing Retrograde Intrarenal Surgery with Percutaneous Nephrolithotomy for Large Stones in Patients with a Solitary Kidney. AB - PURPOSE: To evaluate the clinical efficacy, safety, and cost of retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PCNL) in the treatment for large renal stones in patients with a solitary kidney. PATIENTS AND METHODS: In this study, 117 patients with a solitary kidney who had undergone PCNL or RIRS for renal stones larger than 2 cm between January 2010 and December 2016 were retrospectively evaluated. The patients' demographic data, clinical characteristics, and perioperative outcomes were collected through a review of their medical records. Forty-three patients treated with PCNL were compared to 43 patients treated with RIRS by propensity score-matched analysis. The stone-free rate, retreatment rate, complication rate, and efficacy quotient (EQ) were assessed in both groups. RESULTS: Initial stone-free rate of the PCNL group after a single procedure was significantly higher compared with the RIRS group (74.42% vs 34.88%, p < 0.001), whereas there was no significant difference in the final stone-free rate after repeated procedures (90.70% vs 88.37%, p = 0.713). PCNL had a significantly lower retreatment rate than RIRS (16.28% vs 63.79%, p < 0.001), and the PCNL group underwent fewer procedures than the RIRS group (p < 0.001). Thus, PCNL group had a higher EQ (78.00% vs 53.52%). Although cost per procedure of PCNL was significantly higher compared with RIRS (p < 0.001), the total costs were comparable. Complication rate of RIRS was lower compared with PCNL with no statistical significance (p = 0.193), and acute kidney injury rates were also comparable (PCNL vs RIRS: 13.95% vs 6.98%, p = 0.533). CONCLUSIONS: With fewer repeated surgical procedures, higher EQ, and comparable total costs, PCNL is recommended as the first choice for the treatment of large renal calculi in patients with a solitary kidney. As for specific indications such as anticoagulant drugs, RIRS is a safer choice with fewer complications and acceptable final stone-free rate. PMID- 29212374 TI - Performance of Anti-Factor Xa Versus Activated Partial Thromboplastin Time for Heparin Monitoring Using Multiple Nomograms. AB - The purpose of this study was to compare the performance of anti-factor Xa concentration versus activated partial thromboplastin time (aPTT) monitoring with multiple indication-specific heparin nomograms. This was a prospective, nonrandomized study with historical control at a large academic medical center. A total of 201 patients who received intravenous heparin in the cardiology units were included. The prospective cohort included patients (n = 101) with anti factor Xa (anti-Xa) monitoring, and the historical control group included patients (n = 100) who had aPTT monitoring. Patients in the prospective group had both anti-Xa and aPTT samples drawn, but anti-Xa was used for dosing adjustment. The anti-Xa cohort achieved a significantly faster time to therapeutic range ( P < .01) and required fewer dose adjustments per 24-hour period compared to the aPTT control ( P = .01). Results were consistent across heparin nomograms. The overall discordance rate between the 2 tests was 49%. No significant differences in clinical outcomes were observed. In summary, anti-Xa monitoring improved the time to therapeutic anticoagulation and led to fewer dose adjustments compared to the aPTT with multiple indication-based heparin nomograms. PMID- 29212375 TI - Evaluation of Monocyte to High-Density Lipoprotein Cholesterol Ratio in the Presence and Severity of Metabolic Syndrome. AB - Monocyte to high-density lipoprotein cholesterol ratio (MHR) is a systemic inflammatory marker, and recently, it has been used quite commonly for the assessment of inflammation in cardiovascular disorders. The aim of the present study is to investigate the relevance of MHR as a marker to assess metabolic syndrome (MetS) and MetS severity in clinical practice. A total of 147 patients with MetS who were diagnosed according to National Cholesterol Education Program Adult Treatment Panel III criteria and 134 healthy controls, matched for age and gender, were included in our retrospective study. MHR values were 13.15 +/- 6.07 for patients with MetS and 9.74 +/- 5.24 for the control group. MHR values of the patients were found to be statistically significantly higher than the control group ( P < .0001). MHR showed a significantly positive correlation with the severity of MetS ( r = .429; P < .0001). When patients with MetS were assessed with MHR in the study population, receiver-operating characteristic curve analysis yielded a cutoff value of 9.36 with a sensitivity of 72%, a specificity of 61%, and a P value <.0001. In logistic regression analyses of MetS with several variables, MHR remained as an independent predictor of MetS (95% CI: 0.721-0.945, P = .005). MHR might be an available and useful inflammatory marker to evaluate patients with MetS and disease severity. PMID- 29212376 TI - A novel ion-activated in situ gelling ophthalmic delivery system based on kappa carrageenan for acyclovir. AB - The aim of this study was to prepare and evaluate ion-activated in situ gel ophthalmic drug delivery system based on kappa-carrageenan (KC), using acyclovir as a model drug, hydroxypropyl methylcellulose (HPMC) as the viscosity agent and hydroxypropyl-beta-cyclodextrin (HP-beta-CD) as the penetration enhancer. The two ternary phase diagrams exhibited the effect of K+ and Ca2+ on the sol-to-gel transition, which turned out that KC was more sensitive to K+. The optimal ophthalmic matrix (prepared from KC and HPMC) was optimized with in vitro drug release test. The apparent permeability coefficient of acyclovir under 2% HP-beta CD was found to have dramatically increased (2.16-ploid) than that of conventional eye drops (p < .05). The ion-activated in situ gel based on KC significantly delayed drug release and its bioavailability could be improved in comparison with the conventional eye drops. Hence, it has the potential to be a novel kind of ocular drug delivery system. PMID- 29212378 TI - Spanish adaptation of the edinburgh cognitive and behavioral amyotrophic lateral sclerosis screen (ECAS). AB - OBJECTIVE: Adaptation of the ECAS to the Spanish population. METHODS: The ECAS test was adapted and implemented in a random sample of 102 ALS patients. A test retest reliability of the instrument and internal consistency assessment were carried out. Its convergent validity was determined by comparing the ECAS screen with the ALS Cognitive Behavioural Screen (ALS-CBS), another standard tool. RESULTS: The Spanish adaptation of the ECAS scale preserves the statistical characteristics of the original version. Its analysis revealed a high internal consistency, similar to that of the original version. A significant correlation was found between the ECAS scale and the ALS-CBS, with the highest degree of correlation values shown at the Executive and Lack of empathy domains scales. Additionally, significant differences were observed between the scores obtained in ALS patients and healthy individuals. Furthermore, the analysis of the screen discrimination ability resulted acceptable. CONCLUSION: The results of this study prove that the Spanish adaptation of the ECAS scale preserves the internal consistency and construct validity of its original version. PMID- 29212377 TI - Gene Therapy for Bone Repair Using Human Cells: Superior Osteogenic Potential of Bone Morphogenetic Protein 2-Transduced Mesenchymal Stem Cells Derived from Adipose Tissue Compared to Bone Marrow. AB - Ex vivo regional gene therapy strategies using animal mesenchymal stem cells genetically modified to overexpress osteoinductive growth factors have been successfully used in a variety of animal models to induce both heterotopic and orthotopic bone formation. However, in order to adapt regional gene therapy for clinical applications, it is essential to assess the osteogenic capacity of transduced human cells and choose the cell type that demonstrates the best clinical potential. Bone-marrow stem cells (BMSC) and adipose-derived stem cells (ASC) were selected in this study for in vitro evaluation, before and after transduction with a lentiviral two-step transcriptional amplification system (TSTA) overexpressing bone morphogenetic protein 2 (BMP-2; LV-TSTA-BMP-2) or green fluorescent protein (GFP; LV-TSTA-GFP). Cell growth, transduction efficiency, BMP-2 production, and osteogenic capacity were assessed. The study demonstrated that BMSC were characterized by a slower cell growth compared to ASC. Fluorescence-activated cell sorting analysis of GFP-transduced cells confirmed successful transduction with the vector and revealed an overall higher but not statistically significant transduction efficiency in ASC versus BMSC (90.2 +/- 4.06% vs. 80.4 +/- 8.51%, respectively; p = 0.146). Enzyme-linked immunosorbent assay confirmed abundant BMP-2 production by both cell types transduced with LV-TSTA-BMP-2, with BMP-2 production being significantly higher in ASC versus BMSC (239.5 +/- 116.55 ng vs. 70.86 +/- 24.7 ng; p = 0.001). Quantitative analysis of extracellular deposition of calcium (Alizarin red) and alkaline phosphatase activity showed that BMP-2-transduced cells had a higher osteogenic differentiation capacity compared to non-transduced cells. When comparing the two cell types, ASC/LV-TSTA-BMP-2 demonstrated a significantly higher mineralization potential compared to BMSC/LV-TSTA-BMP-2 7 days post transduction (p = 0.014). In conclusion, this study demonstrates that transduction with LV-TSTA-BMP-2 can significantly enhance the osteogenic potential of both human BMSC and ASC. BMP-2-treated ASC exhibited higher BMP-2 production and greater osteogenic differentiation capacity compared to BMP-2 treated BMSC. These results, along with the fact that liposuction is an easy procedure with lower donor-site morbidity compared to BM aspiration, indicate that adipose tissue might be a preferable source of MSCs to develop a regional gene therapy approach to treat difficult bone-repair scenarios. PMID- 29212379 TI - Provision of rehabilitation services for children with disabilities living in low and middle-income countries: a scoping review. AB - BACKGROUND: Childhood disability is a growing global health priority. The purpose of this scoping review was to identify and summarize rehabilitation interventions used to support children with disabilities in low- and middle-income countries. METHODS: This scoping review involved a systematic search of electronic databases using a combination of subject headings and/or keywords related to child disability, rehabilitation, and low- and middle-income countries. Charting involved an iterative process whereby the full text of articles meeting the inclusion criteria were abstracted using a charting form. Data were charted according to pre-selected and emerging characteristics deemed relevant to the scoping review's purpose. RESULTS: Eighty-one articles were included in the final analysis. Forty-three articles explored the use of screening and/or diagnostic tools in identifying children with disabilities in low and middle income countries, and 38 articles evaluated rehabilitation services for these children. CONCLUSIONS: A number of rehabilitation strategies are available that have the potential to improve the identification of and outcomes for children with disabilities in low and middle income countries. Future research ought to advance the development, implementation, and evaluation of training programs for non rehabilitation specialists (e.g., doctors, nurses, and teachers), non-specialist community members (e.g., community health workers), and caregivers in the area of rehabilitation, and evaluate the effectiveness of rehabilitation interventions in improving participatory outcomes and quality of life for children with disabilities. Implications for Rehabilitation Additional research is needed to understand the influence of rehabilitation on personal factors (e.g., self efficacy and quality of life) and participation for children with disabilities. There is limited availability of experienced rehabilitation service providers, especially in rural areas, warranting additional research into the development and evaluation of non-specialist training programs, and the integration of rehabilitation concepts across health workforce education programs. Researchers from low and middle income countries appear to be underrepresented in published rehabilitation research, indicating a need to further promote the inclusion of this group through community-based participatory research. PMID- 29212380 TI - alphavbeta3 Integrin and fibronectin expressions and their relation to estrogen and progesterone during placentation in swine. AB - Mammalian pregnancy requires specific interactions between the conceptus and its mother that involve the endocrine system and adhesion molecules. The relation between adhesion molecules and their ligands at the fetal-maternal interface is crucial for developing a successful implantation. Progesterone (P4) and estrogen (E2) secreted by the porcine conceptus are required for the relation to be established. We investigated the expression of alphavbeta3 integrin and its ligand, fibronectin (FN), at the placental interface, and E2 and P4 concentrations in both serum and maternal and fetal placental extracts during placentation in swine. Placental and serum samples of crossbred sows at 17, 30, 60, 70, and 114 days gestation and no pregnant uteri were used. The presence of alphavbeta3 and FN were determined by immunohistochemistry, and E2 and P4 by chemiluminescence in homogenates of nonpregnant uterus (HoU), swine maternal placenta (HoPM), swine fetal placenta (HoPF) and serum. The expression of alphavbeta3 and FN increased at the interface at 17, 30 and 60 days gestation. Immunostaining decreased by 70 days. Serum E2 levels peaked at 17 days, then decreased, then increased again near term. The highest concentration of P4 occurred in HoPF at 70 days gestation, then decreased coincident with a decline in integrin and FN expression at the placental interface. High P4 levels during swine gestation may regulate the expression of alphavbeta3 integrin and FN at the placental interface for up to 70 days gestation. Other adhesion molecules and their ligands likely maintain the fetal-placental interface after 70 days. PMID- 29212381 TI - Lowering side effects of NSAID usage in osteoarthritis: recent attempts at minimizing dosage. AB - INTRODUCTION: Osteoarthritis is a burdensome disease that causes progressive damage to articular cartilage. Non-steroidal anti-inflammatory drugs (NSAIDs) are one of the preferred treatments for symptomatic relief. However, NSAIDs can cause serious dose-dependent side effects, which has prompted experts to recommend the minimization of NSAID dosage. Areas covered: This review focuses on three broad strategies that are currently being investigated or implemented to minimize NSAID dosage: nano-formulation, encapsulation, and topical delivery. The benefits, challenges and current status of these methods are discussed. Expert opinion: Multiple strategies are under investigation to lower NSAID dosage. There is great potential in developing formulations that utilize more than one of these strategies together. However, there are challenges to developing these lower dose preparations. In order to maximize the clinical potential of the abundance of NSAIDs that are both available and being developed, there is a major need for additional clinical studies directly comparing safety and efficacy of different preparations. PMID- 29212382 TI - Gene Supplementation Rescues Rod Function and Preserves Photoreceptor and Retinal Morphology in Dogs, Leading the Way Towards Treating Human PDE6A-Retinitis Pigmentosa. AB - Mutations in the phosphodiesterase 6A gene (PDE6A) result in retinitis pigmentosa type 43 (RP43) and are responsible for about 4% of autosomal recessive RP. There is currently no treatment for this blinding condition. The aim of this project was to use a large animal model to test a gene supplementation viral vector designed to be translated for use in a clinical trial for the treatment of RP43. Seven Pde6a-/- puppies were given subretinal injections of an adeno associated viral vector serotype 2/8 delivering human PDE6A cDNA under control of a short rhodopsin promoter (AAV8-PDE6A). Three puppies received ~1x1011 vg in one eye and four puppies ~5x1011 vg/per eye with both eyes being injected in two animals. In vivo outcome measures included vision testing and electroretinography (ERG), as well as fundus and spectral domain - optical coherence tomography (SD-OCT) imaging. Some puppies were euthanized and their eyes processed for immunohistochemistry (IHC). All puppies had improved rod-mediated vision in the treated eye. ERGs showed improved rod mediated responses in the higher dose group but only in one of the lower dose group animals. Receptor+ (REC+) thickness was preserved and photoreceptor morphology improved in the treated retinal regions in all puppies. Treatment resulted in PDE6A transgene expression, accompanied by much increased levels of Pde6b, in rod outer segments in the injected retinal regions. There were several indications of improved retinal health in the PDE6A expressing regions including lack of abnormal cyclic GMP accumulation, appropriate rod opsin localization to the outer segments with a large reduction in mislocalization to other regions of the rod cell, and reduced Muller cell activation. Additionally, cone photoreceptors showed morphological improvement in the treated region with normal appearing inner and outer segments. The AAV8-PDE6A gene supplementation therapy restores rod vision in Pde6a-/- puppies and preserves retinal morphology. These positive outcomes are an important step towards a human clinical trial to treat PDE6A-RP. PMID- 29212383 TI - Menstrual migraine: a review of current and developing pharmacotherapies for women. AB - INTRODUCTION: Migraine is one of the most common neurological disorders in the general population. It affects 18% of women and 6% of men. In more than 50% of women migraineurs the occurrence of migraine attacks correlates strongly with the perimenstrual period. Menstrual migraine is highly debilitating, less responsive to therapy, and attacks are longer than those not correlated with menses. Menstrual migraine requires accurate evaluation and targeted therapy, that we aim to recommend in this review. Areas covered: This review of the literature provides an overview of currently available pharmacological therapies (especially with triptans, anti-inflammatory drugs, hormonal strategies) and drugs in development (in particular those acting on calcitonin gene-related peptide) for the treatment of acute migraine attacks and the prophylaxis of menstrual migraine. The studies reviewed here were retrieved from the Medline database as of June 2017. Expert opinion: The treatment of menstrual migraine is highly complex. Accurate evaluation of its characteristics is prerequisite to selecting appropriate therapy. An integrated approach involving neurologists and gynecologists is essential for patient management and for continuous updating on new therapies under development. PMID- 29212384 TI - Articular and subcutaneous adipose tissues of rheumatoid arthritis patients represent equal sources of immunoregulatory mesenchymal stem cells. AB - Adipose-derived mesenchymal stem cells (ASCs) have immunoregulatory properties, but their activity is dependent on signals provided by the local microenvironment. It is likely that highly inflammatory milieu of rheumatoid joint affects ASCs activity. To test this hypothesis, the function of rheumatoid ASCs derived from articular adipose tissue (AT-ASCs) and ASCs derived from subcutaneous adipose tissue (Sc-ASCs) has been analysed. Articular adipose tissue (infrapatellar fat pad) and subcutaneous adipose tissue (from the site of skin closure with sutures) were obtained from rheumatoid arthritis (RA) patients undergoing total knee joint replacement surgery. ASCs were isolated accordingly to the routinely applied procedure, expanded and treated or not with IFNgamma and TNF (10 ng/ml). To evaluate immunomodulatory properties of AT- and Sc-ASCs, co cultures with peripheral blood mononuclear cells (PBMCs) from healthy donors have been set. Proliferation of activated PBMCs (3H-thymidine incorporation method), secretion of IL-10 and IL-17A in co-culture supernatants (specific ELISA tests) and T regulatory FoxP3+ cells (Tregs) percentage have been evaluated (flow cytometry). Performed experiments demonstrated that ASCs from both sources have comparable properties. They suppress proliferation of activated PBMCs to the similar extent, induce IL-10 secretion by resting PBMCs and moderately induce generation of FoxP3+ Treg cells. Interestingly, both AT-ASCs and Sc-ASCs cause increase of IL-17A secretion by activated PBMCs as well as induce up-regulation of IL-6 concentration in co-culture supernatants. We demonstrated that AT-ASCs and Sc-ASCs obtained from RA patients possess similar immunomodulatory properties despite different localization and distinct cytokine milieu of tissue of origin. Our results indicate that ASCs derived from rheumatoid adipose tissues are not strongly immunosuppressive in vitro and that they may contribute to the pathogenesis of RA due to IL-17A secretion enhancement. PMID- 29212385 TI - Living environment and its relationship to depressive mood: A systematic review. AB - BACKGROUND AND AIMS: The notion that environment affects mental health has a long history; in this systematic review, we aimed to study whether the living environment is related to depressive mood. METHODS: We searched databases of PubMed, Scopus and Web of Science for population-based original studies prior to October 2016. We included studies that measured depressive symptoms or depression and had measures of urbanization, population density, aesthetics of living environment, house/built environment, green areas, walkability, noise, air pollution or services. RESULTS: Out of 1,578 articles found, 44 studies met our inclusion criteria. Manual searches of the references yielded 13 articles, resulting in 57 articles being included in the systematic review. Most of the studies showed statistically significant associations with at least one of the characteristics of living environment and depressive mood. House and built environment with, for example, poor housing quality and non-functioning, lack of green areas, noise and air pollution were more clearly related to depressive mood even after adjustment for different individual characteristics. On the contrary, the results in relation to population density, aesthetics and walkability of living environment, and availability of services and depressive mood were more inconsistent. CONCLUSION: Adverse house/built environment, including poor housing quality and non-functioning, lack of green spaces, noise and air pollution are related to depressive mood and should be taken into account during planning in order to prevent depressive mood. PMID- 29212386 TI - Efficacy and safety of sotagliflozin in treating diabetes type 1. AB - INTRODUCTION: Sotagliflozin is the first dual SGLT1/SGLT2 inhibitor developed for use in diabetes. Sotagliflozin blocks SGLT2 in the kidneys and SGLT1 in the intestines resulting in reduced early phase glucose absorption and increased blood levels of GLP-1 and PYY. Urinary glucose excretion is lower than with other agents as a result of decreased glucose absorption. The primary development effort to date has been in Type 1 diabetes. Areas covered: The published information on sotagliflozin is reviewed, along with the recent results of several pivotal Type 1 diabetes trials. Expert opinion: Sotagliflozin treatment lowers HbA1c and reduces glucose variability, with a trend to less hypoglycemic events. In the Type 1 trials, sotagliflozin treated individuals experienced DKA at a higher rate than placebo treated patients. An additional safety issue arises from the as yet unknown potential risks in women of child bearing potential in whom DKA is of utmost concern. The sotagliflozin development program has now been extended to trials in Type 2 diabetes, and long term studies will be needed to assess the benefits and risks of the agent in comparison to other currently marketed SGLT2 inhibitors. PMID- 29212387 TI - Employee experience of workplace supervisor contact and support during long-term sickness absence. AB - PURPOSE: Workplace support is an important factor in promoting successful return to work. The purpose of this article is to examine relationships between supervisor contact, perceived workplace support and demographic variables among employees on long-term sickness absence. MATERIALS AND METHOD: Data were collected from 204 public employees at a municipality in Sweden who had been on long term sickness absence (60 days or more) using a 23 question survey instrument that collected information on demographic variables, supervisor contact and perceived workplace support. RESULTS: Most injured employees (97%) reported having contact with their supervisors during their sickness absence, with a majority (56%) reporting high levels of support, including early (58.6%) and multiple (70.7%) contacts. Most were pleased with amount of contact (68.9%) and the majority had discussed workplace accommodations (68.1%). Employees who self-initiated contact, felt the amount of contact was appropriate, had a personal meeting with their supervisors and discussed workplace adjustments reported experiencing higher levels of support from supervisors. CONCLUSIONS: Employees on long-term sickness absence appreciate contact from their supervisors and this is associated with perceived workplace support. However, the amount and employee experience of this contact is important. It needs to be perceived by employees as supportive, which includes a focus on strategies (e.g., work adjustment) to facilitate a return to work. Supervisor training is required in this area to support the return to work process. Implications for Rehabilitation Contact and support from workplace supervisors is important to workers on long term sickness absence. Employees appreciate frequent contact from supervisors during long-terms sickness absence. Employees appreciate a personal meeting with supervisors and the opportunity to discuss issues related to return to work such as work adjustment. Employers should provide training to supervisors on how to communicate and assist employees on long-term sickness absence. PMID- 29212388 TI - Good inter- and intraobserver reliability for assessment of the slip angle in 77 hip radiographs of children with a slipped capital femoral epiphysis. AB - Background and purpose - The decision on and the outcome of treatment for a slipped capital femoral epiphysis (SCFE) depend on the severity of the slip. In 2015, web-based registration was introduced into the Swedish Pediatric Orthopedic Quality (SPOQ) register. To determine whether the inclusion of commonly used methods in Sweden for radiographic measurement of SCFE (the calcar femorale [CF] method and the Billing method) is justified, we measured the inter- and intraobserver reliability of these 2 measurements. We also evaluated the internationally more commonly used head-shaft angle (HSA) method. Material and methods - 4 observers with different levels of experience with radiographic measurements analyzed 77 routine preoperative hip radiographs of children with SCFE. Inter- and intraobserver reliability was evaluated. Results - The interobserver reliability analysis for the 4 observers showed for CF an ICC of 0.99 (CI 0.97-0.99) and for Billing an ICC of 0.99 (CI 0.98-0.99). The interobserver reliability analysis for 2 observers showed for HSA an ICC of 0.98 (CI 0.97-0.99). Intraobserver reliability (2 observers) showed a mean difference below 1 degrees for all 3 methods and with a 95% limit of agreement not exceeding +/-6.8 degrees . Interpretation - We found good reliability for both intra- and interobserver measurements of all 3 methods used for the assessment of the slip angle on routine preoperative lateral hip radiographs. PMID- 29212389 TI - Antimicrobial therapy of macrolide-resistant Mycoplasma pneumoniae pneumonia in children. AB - INTRODUCTION: Mycoplasma pneumoniae is an important cause of community-acquired pneumonia in children and young adolescents. Macrolides are recommended as the first-line therapy however, macrolide resistance rates in M. pneumoniae among children have been increasing substantially. Areas covered: This review focused on clinical characteristics and treatment of macrolide-resistant M. pneumoniae pneumonia in children. Expert commentary: Antibiotic choice should be based on in vitro activity, clinical efficacy and in consideration of potential adverse events. Macrolide resistance did not contribute to the clinical severity of M. pneumoniae pneumonia, but resistance may be an aggravating factor. Antibiotics may not be required for treatment in mild cases due to the self-resolving nature of M. pneumonia infection, regardless of macrolide resistance. In contrast, antibiotic treatment of severe cases of M. pneumoniae pneumonia is complicated. The clinical benefit of tetracyclines and fluoroquinolones has been shown in terms of shortening duration of symptoms and rapid defervescence in some reports. However, due to safety concerns regarding these two alternative antibiotics, clinicians should weigh the risks and benefits when choosing treatment options. Alternative antibiotics may be considered when patients remain febrile or when chest x-rays show deterioration at least 48-72 hours after macrolide treatment. PMID- 29212390 TI - Serratiopeptidase reduces the invasion of osteoblasts by Staphylococcus aureus. AB - Finding new strategies to counteract periprosthetic infection and implant failure is a main target in orthopedics. Staphylococcus aureus, the leading etiologic agent of orthopedic implant infections, is able to enter and kill osteoblasts, to stimulate pro-inflammatory chemokine secretion, to recruit osteoclasts, and to cause inflammatory osteolysis. Moreover, by entering eukaryotic cells, staphylococci hide from the host immune defenses and shelter from the extracellular antibiotics. Thus, infection persists, inflammation thrives, and a highly destructive osteomyelitis occurs around the implant. The ability of serratiopeptidase (SPEP), a metalloprotease by Serratia marcescens, to control S. aureus invasion of osteoblastic MG-63 cells and pro-inflammatory chemokine MCP-1 secretion was evaluated. Human osteoblast cells were infected with staphylococcal strains in the presence and in the absence of SPEP. Cell proliferation and cell viability were also evaluated. The release of pro-inflammatory chemokine MCP-1 was evaluated after the exposure of the osteoblast cells to staphylococcal strains. The significance of the differences in the results of each test and the relative control values was determined with Student's t-test. SPEP impairs their invasiveness into osteoblasts, without affecting the viability and proliferation of bone cells, and tones down their production of MCP-1. We recognize SPEP as a potential tool against S. aureus bone infection and destruction. PMID- 29212391 TI - Gene therapy successfully delays degeneration in a mouse model of PDE6A-linked retinitis pigmentosa (RP 43). AB - Retinitis pigmentosa type 43 (RP43) is a blinding disease caused by mutations in the gene for rod phosphodiesterase 6 alpha (PDE6A). The disease process begins with a dysfunction of rod photoreceptors, subsequently followed by a currently untreatable progressive degeneration of the entire outer retina. Aiming at a curative approach via PDE6A gene supplementation, we developed a novel adeno associated viral (AAV) vector for expression of the human PDE6A cDNA under control of the human rhodopsin promotor (rAAV8.PDE6A). In this study, we assessed the therapeutic efficacy of rAAV8.PDE6A in the Pde6anmf363/nmf363 mutant mouse model of RP43. All mice included in this study were treated with subretinal injections of the vector at 2 weeks after birth. The therapeutic effect was monitored at one month and at six months post injection. Biological function of the transgene was assessed in vivo by means of electroretinography (ERG). The degree of morphological rescue was investigated both in vivo using optical coherence tomography (OCT) and ex vivo by immunohistological stainings. We found that the novel rAAV8.PDE6A vector resulted in a stable and efficient expression of PDE6A protein in rod photoreceptors of Pde6anmf363/nmf363 mice following treatment at both the short and long-term time-points. The treatment led to a substantial morphological preservation of outer nuclear layer thickness, rod outer segment structure, and prolonged survival of cone photoreceptors for at least up to 6 months. Additionally, the ERG analysis confirmed a restoration of retinal function in a group of treated mice. Taken together, we provide successful proof-of-concept for the cross-species efficacy of the rAAV8.PDE6A vector developed for use in human patients. Importantly, our data show stable expression and rescue effects for a prolonged period of time, raising hope for future translational studies based on this approach. PMID- 29212392 TI - Multi-parametric magnetic resonance imaging monitoring patients in active surveillance for prostate cancer: a prospective cohort study. AB - OBJECTIVES: To evaluate the use of multi-parametric magnetic resonance imaging (mpMRI) and mpMRI guided biopsies (MRGB) for monitoring an active surveillance (AS) prostate cancer cohort. MATERIALS AND METHODS: One year after initial diagnostic TRUS guided biopsy (TRUS-bx), baseline mpMRI, and enrolment in an AS program patients underwent a one year follow-up comprising the usual TRUS-bx and an mpMRI. Prostate MRI lesions were scored on the five-point PIRADS scale version 2. In cases without TRUS-bx progression, patients with PIRADS 4 or 5 lesions were scheduled for MRGB. Progression in TRUS-bx was defined as Gleason score (Gs) up grades, >3 tumor positive cores or a maximal cancer core length (MCCL) > 50%. In MRGB, Gs upgrade or a MCCL >=6 mm Gs 3 + 3 lesions were considered to reflect progression. PSA increase or progression in clinical T-classification alone was not considered clinical progression. RESULTS: 50 patients were included in the study. In total 10 (20%) patients had per definition progression at one year follow-up. Seven patients (7/50 = 14%) had clinical progression based on TRUS-bx. mpMRI identified seven newly emerged PIRADS 4 lesions. Three patients with PIRADS 4 lesions had no sign of TRUS-bx progression, while MRGB revealed significant cancer (Gs 7 (3 + 4) and Gs 8 (3 + 5)). Consequently, seven patients underwent definitive treatment. Of these, six and four had a progression on MRI and TRUS bx, respectively. CONCLUSIONS: Our study suggests that mpMRI is at least equal to TRUS-bx in detecting progression at one year follow-up in prostate cancer patients undergoing active surveillance. PMID- 29212393 TI - "Noninvasive Follicular Thyroid Neoplasm With Papillary-Like Nuclear Features" With Focal Spindle Cell Metaplasia. AB - "Noninvasive follicular thyroid neoplasm with papillary-like nuclear features" (NIFTP) is a recent reclassification of the encapsulated follicular variant of papillary thyroid carcinoma, which is supposed to reflect its indolent clinical behavior and to prevent overtreatment of patients with this neoplasm. The diagnosis of NIFTP can only be made histologically on the surgical specimen according to specific inclusion and exclusion criteria, which requires the examination of the whole nodule and its capsule. Spindle cell proliferations, especially of follicular cell origin, arising within thyroid follicular neoplasms are very rare and may cause diagnostic difficulties. Few reports described spindle cell proliferations arising in follicular thyroid adenoma and papillary thyroid carcinoma. To the best of our knowledge, only one case has been reported in NIFTP so far. In this article, we report a unique case of NIFTP associated with a spindle cell proliferation that was characterized immunohistochemically. Specific issues related to this case are discussed. PMID- 29212394 TI - Management of dental caries among children: a look at the cost-effectiveness. AB - INTRODUCTION: Dental caries is the most prevalent non-communicative disease worldwide. Although the etiological factors are well known for years, reducing the number of decayed and missing teeth in children still remains as a barrier. Preventive and curative options are numerous but little is known about their economical advantages. Selecting the intervention that offers the best balance of effectiveness and financial resources becomes crucial in the current situation of budget restrictions worldwide. Areas covered: This expert review summarizes available evidence on cost-effectiveness analyses of preventive and curative measures to manage dental caries in children. Expert commentary: Preventive measures have been more extensively studied than dental caries treatment. Only water fluoridation and tooth brushing are well-established as cost-effective preventive approaches. Despite the increasing number of cost analysis treatment studies in the literature, most of them focus on the cost description, with no correlation to the intervention effectiveness. There is a current need of well designed and well-reported cost-effectiveness regarding dental caries management. PMID- 29212395 TI - Prenatal prediction of small-for-gestational age neonates using MR imaging: comparison with conventional 2D ultrasound. AB - PURPOSE: The purpose of this study is to evaluate the performance of estimating fetal weight (EFW) using magnetic resonance (MR) imaging as compared with two dimensional (2D) ultrasound (US) in the prediction of small-for-gestational age neonates (SGA). MATERIALS AND METHODS: Written informed consent was obtained for this Ethical Committee approved study. Between March 2011 and May 2016, women with singleton pregnancies underwent US-EFW and MR-EFW within 48 h before delivery. US-EFW was based on Hadlock et al. and MR-EFW on the formula described by Backer et al. after planimetric measurement of the fetal body volume (FBV). Our outcome measure was performance in prediction of small-for-gestational age neonates by MR imaging versus US-EFW, using receiver-operating characteristic (ROC) curves. RESULTS: Two hundred and seventy women were included in the study with 18 newborns (6.7%) of birthweight <=10th, 12 (4.5%) <= 5th and 7 (2.6%) <= 3rd centile. The area under the ROC curve for prediction of birthweight <=10th centile by prenatal MR imaging was significantly better than by US (difference between the AUROC = 0.060, p = .01; standard error = 0.023). Similarly, the area under the ROC curve for prediction of birthweight <=5th centile by prenatal MR imaging was significantly better than by US (difference between the AUROC = 0.019, p = .03; standard error = 0.009). Finally, there was no significant difference between the areas under the ROC curve for the prediction of birthweight <=3rd centile between the two imaging modalities (difference between the AUROC = 0.021, p = .13; standard error = 0.014). CONCLUSION: MR-EFW performed immediately prior to delivery predicts SGA neonates significantly better than US EFW. PMID- 29212396 TI - Dysautonomia in the pathogenesis of migraine. AB - INTRODUCTION: Migraine is a common complex neurological disorder involving multiple brain areas that regulate autonomic, affective, cognitive, and sensory functions. This review explores autonomic nervous system (ANS) dysfunction in migraine headache sufferers. Areas covered: Reference material for this review was obtained through PubMed searches. Migraine attacks can present with up to 4 phases (premonitory, aura, headache, postdrome) each with distinguishable signs and symptoms. Altered ANS tone can be found from the premonitory through the postdrome phases. Features of the migraine attack that are indicative of altered autonomic function, which include nausea, vomiting, diarrhea, polyuria, eyelid edema, conjunctival injection, lacrimation, nasal congestion, and ptosis, are discussed and putative mechanisms explored. In addition, alteration of ANS function by endogenous and exogenous stressors, such as bright lights, hunger, poor sleep quality, menses, and special dietary components is discussed. The influence of currently employed pharmacological treatments on altered autonomic function during the migraine attack is explored. Expert commentary: Migraine related alterations in ANS function have a complex pattern, but, in general, an imbalance occurs between sympathetic and parasympathetic tone. Through an improved understanding the role of autonomic changes in pathogenesis of migraine, it may be possible to develop even more effective treatments for migraine sufferers. PMID- 29212397 TI - Growth and neurodevelopment in very preterm infants receiving a high enteral volume-feeding regimen - a population-based cohort study. AB - AIM: The aim of this study is to evaluate a feeding regimen routinely providing >180 ml/kg/d fortified human milk to very preterm infants and impact on in hospital growth, osteopenia, and neurodevelopment. METHOD: Retrospective population-based descriptive study of infants <30-week gestation admitted within 24 h of birth and discharged during the 6-year period 2005-2010. Growth and neurodevelopment was assessed until 2 years corrected age, and cerebral palsy up to 4 years corrected age Results: Ninety-nine infants below 30-week gestation were admitted within 24 h of birth during the 6-year period, of which 84 (85%) survived to discharge. Two infants had surgical necrotizing enterocolitis, both survived to 2 years follow up. Seventy-eight infants (mean 27 weeks) had complete growth data until discharge. Full enteral feeds were tolerated after mean 10 d. Average milk volumes were 193 ml/kg/d from 15 to 42 d of life. Rates of weight below 10th centile were 10% at birth and 14% at discharge. Head circumference Z scores were stable from birth to discharge. Blood values did not indicate osteopenia. Increasing head circumference Z-scores were associated with improved language development. CONCLUSIONS: This high enteral feeding volume regimen was associated with low rates of in-hospital growth restriction and good head growth. High enteral volume intake seems safe and may improve nutritional status of very preterm infants. PMID- 29212398 TI - Prediction of neonatal respiratory distress syndrome via pulmonary artery Doppler examination. AB - OBJECTIVE: We aimed with this study to evaluate the role of pulmonary artery acceleration time to ejection time ratio (PATET) in the prediction of respiratory distress syndrome (RDS) in preterm neonates. MATERIALS AND METHODS: In this prospective cohort study, 105 singleton pregnant women with no congenital abnormalities and pregnancy complications who delivered before 37 weeks of gestational age were included. All the patients underwent ultrasound examination to obtain fetal pulmonary artery Doppler. 15 patients were excluded from the study as they did not give birth within 3 days subsequent to ultrasound examination, or inadequate Doppler measurements. After delivery the neonates were grouped according to diagnosis of RDS as RDS + and RDS-. RESULTS: One hundred five women met the inclusion criteria. Regarding the Doppler findings; only the PATET ratio was significantly different between the groups (0.2965 +/- 0.042 versus 0.386 +/- 0.068 p < .001, Z = -5.206). There was an inverse correlation between the diagnosis of RDS in the neonates and the PATET values, even after adjusted for gestational age estimated fetal weight and fetal gender (r = -0.52 and p = .0017). A cut-off value of 0.327 provided optimal specificity of 77.1%, a sensitivity of 90.9%, a negative predictive value of 95.4%, and a positive predictive value 52.7%. CONCLUSIONS: In consideration of these results fetal PATET ratio is a promising noninvasive tool to predict RDS in cases of preterm deliveries. PMID- 29212400 TI - Cervical pessaries for the prevention of preterm birth: a systematic review and meta-analysis. AB - OBJECTIVE: The objective of this study is to evaluate the effectiveness and safety of cervical pessaries for the prevention of preterm birth. METHODS: We searched PubMed, Embase, Web of Science, and other sources from inception to July 2016. This analysis referred to pregnant women with singleton/multiple viable fetus/fetuses, with or without cervical pessary placement. RESULTS: Six randomized control trials and five cohort studies involving 3911 participants were included. Overall, cervical pessary placement was slightly associated with the decrease of spontaneous delivery less than 34 weeks (relative risk 0.65 [95% CI: 0.44-0.96]) and increased gestational age at delivery (weighted mean difference 1.03 weeks [95% CI: 0.37-1.70]) in multiple pregnancies, but not with poor perinatal outcomes. Pessary placement in singleton pregnancies did not show any difference. A planned subgroup analysis showed multiple pregnancies with shorter cervical length (<=25 mm) had a longer prolongation of pregnancy (weighted mean difference 2.08 weeks [95% CI: 1.35-2.82]). CONCLUSION: This meta analysis suggested pessary placement could slightly reduce the rate of spontaneous preterm delivery before 34 weeks, and increase gestational age at delivery in multiple pregnancies, but not in singleton pregnancies. More studies of high quality with detailed records are urgent to confirm the efficacy of this procedure. PMID- 29212399 TI - Conservative management of CIN2: National Audit of British Society for Colposcopy and Cervical Pathology members' opinion. AB - There is no doubt that organised cervical screening programmes have significantly reduced the rates of cervical cancer by detection and treatment of high-grade cervical intraepithelial neoplasia (CIN2, CIN3). National UK guidelines do not differentiate between CIN2 and CIN3 as separate entities and recommend treatment for both, although a degree of uncertainty exists regarding the natural history of CIN2. This national survey of British Society for Colposcopy and Cervical Pathology members aimed to assess attitudes towards conservative management (CM) of CIN2 in the UK and identify potential selection criteria. In total, 511 members responded (response rate 32%); 55.6% offered CM for selective cases; 12.4% for all cases; 16.4% had formal guidelines. Most agreed age group was >40yrs (83%), HPV 16/18 positive (51.4%), smoking (60%), immuno-compromise (74.2%), and large lesion size (80.8%) were relative contraindications for CM. 75.9% favoured six-monthly monitoring, with 80.2% preferring excisional treatment for persistent high-grade disease. Many UK colposcopists manage CIN2 conservatively without formal guidelines. Potential selection criteria should be investigated by a multicentre study. Impact statement Although anecdotally some colposcopists manage many women with CIN2 conservatively, this National Audit of British Society for Colposcopy and Cytopathology members, we believe, is the first time this has been formally recorded. The survey assesses current attitudes towards conservative management (CM) of CIN2 and seeks to identify potential selection criteria that could be used to identify suitable women. It received over 500 responses and significantly, identified many colposcopists recommending CM of CIN2 for patients despite the lack of any formal guidance regarding this approach. The greater majority of respondents were keen to consider participating in a multicentre trial on CM of CIN2 targeting the UK screening population (25-64 years). The paper has international relevance as ACOG and ASCCP have recently changed their guidance for the management of CIN2 in younger women and now recommend CM with monitoring rather than first line ablative or excisional treatment due to concerns regarding overtreatment, especially in women who have not yet completed their family. PMID- 29212401 TI - Evaluating the effects of administration of 25-hydroxyvitamin D supplement on serum anti-mullerian hormone (AMH) levels in infertile women. AB - The aim of the study was to evaluate the effects of administration of 25 hydroxyvitamin D [25(OH) D] on serum antimullerian hormone (AMH) levels in infertile women. The study was performed as a non-randomized clinical trial on 30 infertile women who had low serum level of both 25(OH) D and anti-mullerian hormone. Vitamin D was prescribed 50,000 IU weekly for up to three months for all eligible participants. Serum levels of both 25(OH) D and AMH have increased significantly after treatment with 25(OH) D. There was a significant correlation between serum levels of 25(OH) D after treatment with AMH (p = .029, OR = 2.9, CI 95% = 2.7-5.5). Mean AMH level after treatment was higher in women with sufficient 25(OH) D, than women with insufficient 25(OH) D (1.048 +/- 0.644 vs. 0.513 +/- 0.284 ng/ml), which shows a significant difference (p = .043). Also, after treatment, in women with mean AMH level of >0.7 ng/ml (19 women), mean level of 25(OH) D was higher than in women with mean AMH level of <0.7 ng/ml (11 women) (59.332 +/- 21.751 vs. 38.881 +/- 17.281 ng/ml, p = .013). This means that higher levels of 25(OH) D are accompanied with higher levels of AMH. In conclusions with administration and increasing the amount of vitamin D serum levels, the serum levels of AMH have increased. PMID- 29212402 TI - Translocator protein agonist Ro5-4864 alleviates neuropathic pain and promotes remyelination in the sciatic nerve. AB - Our previous study reported the translocator protein to play a critical role in neuropathic pain and the possible mechanisms in the spinal cord. However, its mechanism in the peripheral nervous system is poorly understood. This study was undertaken to explore the distribution of translocator protein in the dorsal root ganglion and the possible mechanisms in peripheral nervous system in a rat model of spared nerve injury. Our results showed that translocator protein was activated in dorsal root ganglion after spared nerve injury. The translocator protein signals were primarily colocalized with neurons in dorsal root ganglion. A single intrathecal (i.t.) injection of translocator protein agonist (7-chloro-5 4-chlorophenyl)-1,3-dihydro-1-methyl-2-H-1,4-benzodiaze-pine-2) (Ro5-4864) exerted remarkable analgesic effect compared with the spared nerve injury group ( P < 0.01). After i.t. administration of 2 ug Ro5-4864 on day 3, the expression of translocator protein in ipsilateral dorsal root ganglion was significantly increased on day 7( P < 0.01) but decreased on day 14 ( P < 0.05) compared with the same point in time in the control group. The duration of translocator protein activation in dorsal root ganglion was remarkably shortened. Ro5-4864 also inhibited the activation of phospho-extracellular signal-regulated kinase 1(p ERK1) ( P < 0.01), p-ERK2 (D7: P < 0.01, D14: P < 0.05), and brain-derived neurotrophic factor ( P < 0.05) in dorsal root ganglion. Meanwhile, i.t. administration of 2 ug Ro5-4864 on day 3 further accelerated the expression of myelin protein zero(P0) and peripheral myelin protein 22 (PMP22). Our results suggested Ro5-4864 could alleviate neuropathic pain and attenuate p-ERK and brain derived neurotrophic factor activation in dorsal root ganglion. Furthermore, Ro5 4864 stimulated the expression of myelin regeneration proteins which may also be an important factor against neuropathic pain development. Translocator protein may present a novel target for the treatment of neuropathic pain both in the central and peripheral nervous systems. PMID- 29212404 TI - Low-Grade Fibromyxoid Sarcoma With Striking Zonation. PMID- 29212405 TI - A Description of a New Continuous Physiological Index in Traumatic Brain Injury Using the Correlation between Pulse Amplitude of Intracranial Pressure and Cerebral Perfusion Pressure. AB - To describe a new continuous index of physiologic measurement in a traumatic brain injury (TBI) population, the moving correlation coefficient between intracranial pressure (ICP) pulse amplitude (AMP) and cerebral perfusion pressure (CPP), which we refer to as RAC. We use patient examples of sustained intracranial hypertension, systemic arterial hypotension, and plateau waves, as well as the retrospective analysis of 358 non-decompressive craniectomy (DC) TBI patients with high-frequency ICP and arterial blood pressure data, to explore the relationships of this new index, RAC, with AMP, ICP, CPP, RAP (correlation coefficient between AMP and ICP), pressure reactivity index (PRx), and pulse amplitude index (PAx). We compared the RAC-CPP relationship to that observed between CPP and both PRx and PAx. RAC displays temporal responsiveness to sustained increased ICP, arterial hypotension, and plateau waves, with positive values found during episodes of high ICP and low CPP. Analysis of AMP versus CPP and AMP versus ICP relationships in data from the entire non-DC cohort show lower breakpoints for AMP/CPP at CPP = 40 mm Hg and upper breakpoints for AMP/ICP at ICP = 50-60 mm Hg. RAC trends to positive values with increasing ICP, particularly with ICP values above the peak in AMP (ICP >50 mm Hg), though its interpretation requires concomitant interpretation of AMP, RAP, and PRx/PAx to determine contributions of compensatory reserve and cerebrovascular responsiveness to the changes observed in RAC. There is a parabolic relationship between RAC versus CPP, with trends toward positive RAC values near (and beyond) limits for low and high CPPs, suggesting that RAC may be used in the determination of optimum CPP. RAC appears to carry information regarding both cerebrovascular responsiveness and cerebral compensatory reserve. This contributes to RAC's uniqueness and complex interpretation. Further prospective, clinical studies of RAC in CPP optimum estimation and outcome prediction in TBI are required. PMID- 29212403 TI - A simple and fast method to image calcium activity of neurons from intact dorsal root ganglia using fluorescent chemical Ca2+ indicators. AB - Chemical calcium indicators have been commonly used to monitor calcium (Ca2+) activity in cell bodies, i.e., somata, of isolated dorsal root ganglion neurons. Recent studies have shown that dorsal root ganglion somata play an essential role in soma-glia interactions and actively participate in the transmission of nociceptive signals. It is therefore desirable to develop methods to study Ca2+ activity in neurons and glia in intact dorsal root ganglia. In our previous studies, we found that incubation of intact dorsal root ganglia with acetoxymethyl dye resulted in efficient Ca2+ dye loading into glial cells but limited dye loading into neurons. Here, we introduce a useful method to load Ca2+ dyes in intact dorsal root ganglion neurons through electroporation. We found that electroporation greatly facilitated loading of Fluo-4 acetoxymethyl, Oregon green bapta-1-488 acetoxymethyl, and Fluo-4 pentapotassium salt into dorsal root ganglion neurons. In contrast, electroporation did not further facilitate dye loading into glia. Using electroporation followed by incubation of acetoxymethyl form Ca2+ dye, we can load acetoxymethyl Ca2+ dye well in both neurons and glia. With this approach, we found that inflammation induced by complete Freund's adjuvant significantly increased the incidence of neuron-glia interactions in dorsal root ganglia. We also confirmed the actions of capsaicin and morphine on Ca2+ responses in dorsal root ganglion neurons. Thus, by promoting the loading of Ca2+ dye in neurons and glia through electroporation and incubation, Ca2+ activities in neurons and neuron-glia interactions can be well studied in intact dorsal root ganglia. PMID- 29212406 TI - EEG Measurement of Emotion Processing in Children with Daytime Urinary Incontinence. AB - OBJECTIVE: Daytime urinary incontinence (DUI) is common in childhood. The aim of the study was to neurophysiologically analyse the central emotion processing in children with DUI. METHOD: In 20 children with DUI (mean age 8.1 years, 55 % male) and 20 controls (mean age 9.1 years, 75 % male) visual event-related potentials (ERPs) were recorded after presenting emotionally valent (80 neutral, 40 positive, and 40 negative) pictures from the International Affective Picture System (IAPS) as an oddball-paradigm. All children received a full organic and psychiatric assessment. RESULTS: Children with DUI did not differ significantly from controls regarding responses to emotional pictures in the frontal, central, and parietal regions and in the time intervals 250-450 ms, 450-650 ms, and 650 850 ms after stimulus onset. The patient group had more psychological symptoms and psychiatric comorbidities than the control group. CONCLUSIONS: EEG responses to emotional stimuli are not altered in children with DUI. Central emotion processing does not play a major role in DUI. Further research, including a larger sample size, a more homogeneous patient group (regarding subtype of DUI) or brain imaging techniques, could reveal more about the central processing in DUI. PMID- 29212408 TI - Aperture Synthesis Shows Perceptual Integration of Geometrical Form Across Saccades. AB - We investigated the perceptual bias in perceived relative lengths in the Brentano version of the Muller-Lyer arrowheads figure. The magnitude of the bias was measured both under normal whole-figure viewing condition and under an aperture viewing condition, where participants moved their gaze around the figure but could see only one arrowhead at a time through a Gaussian-weighted contrast window. The extent of the perceptual bias was similar under the two conditions. The stimuli were presented on a CRT in a light-proof room with room-lights off, but visual context was provided by a rectangular frame surrounding the figure. The frame was either stationary with respect to the figure or moved in such a manner that the bias would be counteracted if the observer were locating features with respect to the frame. Biases were reduced in the latter condition. We conclude that integration occurs over saccades, but largely in an external visual framework, rather than in a body-centered frame using an extraretinal signal. PMID- 29212407 TI - RNA interference-based functional knockdown of the voltage-gated potassium channel Kv7.2 in dorsal root ganglion neurons after in vitro and in vivo gene transfer by adeno-associated virus vectors. AB - Activation of the neuronal potassium channel Kv7.2 encoded by the KCNQ2 gene has recently been shown to be an attractive mechanism to inhibit nociceptive transmission. However, potent, selective, and clinically proven activators of Kv7.2/Kv7.3 currents with analgesic properties are still lacking. An important prerequisite for the development of new drugs is a model to test the selectivity of novel agonists by abrogating Kv7.2/Kv7.3 function. Since constitutive knockout mice are not viable, we developed a model based on RNA interference-mediated silencing of KCNQ2. By delivery of a KCNQ2-specific short hairpin RNA with adeno associated virus vectors, we completely abolished the activity of the specific Kv7.2/Kv7.3-opener ICA-27243 in rat sensory neurons. Results obtained in the silencing experiments were consistent between freshly prepared and cryopreserved dorsal root ganglion neurons, as well as in dorsal root ganglion neurons dissociated and cultured after in vivo administration of the silencing vector by intrathecal injections into rats. Interestingly, the tested associated virus serotypes substantially differed with respect to their transduction capability in cultured neuronal cell lines and primary dorsal root ganglion neurons and the in vivo transfer of transgenes by intrathecal injection of associated virus vectors. However, our study provides the proof-of-concept that RNA interference-mediated silencing of KCNQ2 is a suitable approach to create an ex vivo model for testing the specificity of novel Kv7.2/Kv7.3 agonists. PMID- 29212409 TI - A comparison of early and late treatments on allodynia and its chronification in experimental neuropathic pain. AB - Background Surgeries causing nerve injury can result in chronic neuropathic pain, which is clinically managed by using antidepressant or anticonvulsant drugs. Currently, there is a growing interest for investigating preemptive treatments that would prevent this long-term development of neuropathic pain. Our aim was to compare analgesic drugs using two distinct treatment modalities: either treatment onset at surgery time or following a couple of weeks of neuropathic pain. Methods In male C57BL/6J mice, neuropathic pain was induced by cuffing the sciatic nerve, and allodynia was assessed using von Frey filaments. We tested the effect of anticonvulsants (gabapentin 10 mg/kg and carbamazepine 40 mg/kg), antidepressants (desipramine 5 mg/kg, duloxetine 10 mg/kg, and fluoxetine 10 mg/kg), dexamethasone (2 mg/kg), and ketamine (15 mg/kg). Drugs were injected daily or twice a day, starting either at surgery time or on day 25 postsurgery (15 days of treatment for antidepressants and 10 days for other drugs). Results Ketamine was the only effective treatment during the early postsurgical period. Although early anticonvulsant treatment was not immediately effective, it prevented chronification of allodynia. When treatments started at day 25 postsurgery, desipramine, duloxetine, and anticonvulsants suppressed the mechanical allodynia. Conclusions Our data show that allodynia measured in experimental neuropathic pain model likely results from a combination of different processes (early vs. late allodynia) that display different sensitivity to treatments. We also propose that early anticonvulsant treatment with gabapentin or carbamazepine may have a prophylactic effect on the chronification of allodynia following nerve injury. PMID- 29212410 TI - Exploring Perceived Barriers to Medication Adherence and the Use of Mobile Technology in Underserved Patients With Chronic Conditions. AB - BACKGROUND AND OBJECTIVE: Evidence suggests that the prevalence of medication nonadherence is greater in medically underserved, low-income communities. There is paucity of qualitative data examining the potential use of mobile health (mHealth) in underserved patients. This study aimed to explore barriers to medication adherence and identify opportunities and challenges for the potential use of mHealth adherence interventions in an underserved population. METHODS: A qualitative cross-sectional focus group was conducted. Focus groups were conducted with underserved patients recruited at a federally qualified health center. The Health Belief Model was used as theoretical framework to develop the focus group guide. Audio-recorded data were transcribed and thematically analyzed to identify common themes across the data set. RESULTS: Seventeen patients participated in 4 focus groups. Findings were organized by the following themes: (1) perceived barriers to medication adherence, (2) everyday practices used to improve medication adherence, and (3) perceived benefits and barriers to technology use. Use of text messages seemed beneficial; however, not carrying a phone always was a significant barrier for patients. Some patients expressed willingness to try smartphone applications but stated that they would not be able to afford them. Changes in daily routine and complexity of medication regimens were seen as barriers to medication adherence. CONCLUSIONS: Findings underscore the importance of considering diverse experiences when engaging patients in mHealth for medication adherence. Providing patient-centered approaches to assist patients construct their individualized medication adherence strategies may lead to better outcomes. PMID- 29212412 TI - Enhanced anticancer potency by thermo/pH-responsive PCL-based magnetic nanoparticles. AB - Great efforts have been made to develop drug carriers with the aim of providing predictable therapeutic response. Moreover, combination therapies have become promising strategies for clinical cancer treatment with synergistic effects. The present study purposed to develop a new stimuli-responsive paramagnetic nanocarrier for the intracellular co-delivery of doxorubicin (DOX) and methotrexate (MTX) to the MCF7 cell line. A novel thermo/pH-sensitive amphiphilic paramagnetic nanocomposite comprised of hydrophobic and biodegradable PCL segments and a hydrophilic biocompatible P(NIPAAm-co-HEMA-co-MAA-co-TMSPMA) block was designed and synthesized by combining the ring opening and free radical polymerization methods. The structure and physic-chemical characterization of synthesized nanoparticles and intermediates were studied and revealed using FTIR, HNMR, CNMR, SEM, EDX, TGA, and VSM techniques. DOX and MTX on a nanocarrier achieved 95.04 and 97.29% encapsulation efficiency, respectively. The dual drug release profile revealed tumor niche-assisted release behavior (more drug release was observed at a temperature of 41 degrees C and pH <= 5.4). The antitumor ability of the DOX/MTX-loaded nanocomposite was significantly higher than that of free drugs, confirmed by MTT assay, DAPI staining, cell cycle, and real-time PCR analysis on MCF7 cell lines. Furthermore, the cytotoxicity assay of a nanocarrier to the MCF7 cell line revealed its suitability as an anticancer drug nanocarrier. The results indicated that this engineered dual anticancer drug delivery system ensures increased antitumor activity as well as decreased toxicity in comparison with the free drugs. PMID- 29212413 TI - A lower extremity strength-based profile of NCAA Division I women's basketball and gymnastics athletes: implications for knee joint injury risk assessment. AB - This study aimed to provide a comprehensive strength-based physiological profile of women's NCAA Division I basketball and gymnastic athletes; and to make sport specific comparisons for various strength characteristics of the knee flexor and extensor muscles. A focus on antagonist muscle balance (hamstrings-to-quadriceps ratios, H:Q) was used to elucidate vulnerabilities in these at-risk female athletes. Fourteen NCAA Division I women's basketball and 13 gymnastics athletes performed strength testing of the knee extensors and flexors. Outcome measures included absolute and relative (body mass normalised) peak torque (PT), rate of torque development at 50, 100, 200 ms (RTD50 etc.) and H:Q ratios of all variables. The basketball athletes had greater absolute strength for all variables except for isokinetic PT at 240 degrees s-1 and isometric RTD50 for the knee extensors. Gymnasts showed ~20% weaker body mass relative concentric PT for the knee flexors at 60 and 120 degrees .s-1, and decreased conventional H:Q ratios at 60 and 240 degrees .s-1 (~15%). These findings suggest that collegiate level gymnastics athletes may be prone to increased ACL injury risk due to deficient knee flexor strength and H:Q strength imbalance. Coaches may use these findings when implementing injury prevention screening and/or for individualised strength training programming centered around an athletes strength-related deficits. PMID- 29212414 TI - A suite of DNA methylation markers that can detect most common human cancers. AB - Cancer-specific DNA methylation from the tumor derived fraction of cell free DNA found in blood samples could be used for minimally invasive detection and monitoring of cancer. The knowledge of marker regions with cancer-specific DNA methylation is necessary to the success of such a process. We analyzed the largest cancer DNA methylation dataset available-TCGA Illumina HumanMethylation450 data with over 8,500 tumors-in order to find cancer-specific DNA methylation markers for most common human cancers. First, we identified differentially methylated regions for individual cancer types and those were further filtered against data from normal tissues to obtain marker regions with cancer-specific methylation, resulting in a total of 1,250 hypermethylated and 584 hypomethylated marker CpGs. From hypermethylated markers, optimal sets of six markers for each TCGA cancer type were chosen that could identify most tumors with high specificity and sensitivity [area under the curve (AUC): 0.969-1.000] and a universal 12 marker set that can detect tumors of all 33 TCGA cancer types (AUC >0.84). In addition to hundreds of new DNA methylation markers, our approach also identified markers that are in current clinical use, SEPT9 and GSTP1, indicating the validity of our approach and a significant potential utility for the newly discovered markers. The hypermethylated markers are linked to polycomb associated loci and a significant fraction of the discovered markers is within noncoding RNA genes; one of the best markers is MIR129-2. Future clinical testing of herein discovered markers will confirm new markers that will improve minimally invasive diagnosis and monitoring for multiple cancers. PMID- 29212411 TI - Geriatric Traumatic Brain Injury: Epidemiology, Outcomes, Knowledge Gaps, and Future Directions. AB - This review of the literature on traumatic brain injury (TBI) in older adults focuses on incident TBI sustained in older adulthood ("geriatric TBI") rather than on the separate, but related, topic of older adults with a history of earlier-life TBI. We describe the epidemiology of geriatric TBI, the impact of comorbidities and pre-injury function on TBI risk and outcomes, diagnostic testing, management issues, outcomes, and critical directions for future research. The highest incidence of TBI-related emergency department visits, hospitalizations, and deaths occur in older adults. Higher morbidity and mortality rates among older versus younger individuals with TBI may contribute to an assumption of futility about aggressive management of geriatric TBI. However, many older adults with TBI respond well to aggressive management and rehabilitation, suggesting that chronological age and TBI severity alone are inadequate prognostic markers. Yet there are few geriatric-specific TBI guidelines to assist with complex management decisions, and TBI prognostic models do not perform optimally in this population. Major barriers in management of geriatric TBI include under-representation of older adults in TBI research, lack of systematic measurement of pre-injury health that may be a better predictor of outcome and response to treatment than age and TBI severity alone, and lack of geriatric-specific TBI common data elements (CDEs). This review highlights the urgent need to develop more age-inclusive TBI research protocols, geriatric TBI CDEs, geriatric TBI prognostic models, and evidence-based geriatric TBI consensus management guidelines aimed at improving short- and long-term outcomes for the large and growing geriatric TBI population. PMID- 29212415 TI - Effects of cognitive remediation on cognitive and social functions in individuals with schizophrenia. AB - Individuals with schizophrenia exhibit cognitive impairments, which are related to impairments in social functions. This study investigated the effects of cognitive remediation on cognitive, social, and daily living impairment. Participants were individuals with schizophrenia between 20 and 60 years old (N = 44). Participants were randomly assigned to two groups: a cognitive remediation intervention group and a non-intervention control group. The control group was provided with conventional drug therapy and either day care or occupational therapy. The intervention group was provided with the "neuropsychological educational approach to cognitive remediation" developed by Medalia and co workers. We assessed cognitive functions using the brief assessment of cognition in schizophrenia (BACS), and evaluated social and daily living functions using the global assessment of functioning (GAF) scale. Significant group by time interaction effects indicated that verbal memory, working memory, attention, and executive function showed significantly greater improvement at post-intervention for the intervention group than the control group. Social and daily living function also improved in the intervention group and improvements were maintained one year after intervention. These preliminary findings indicate that the combination of cognitive remediation and psychiatric rehabilitation is effective for facilitating improvements in cognitive function and social and daily living functions in individuals with schizophrenia. PMID- 29212416 TI - Pelvic venous reflux in male: Varicocele? PMID- 29212417 TI - Does the First Amendment Prevent or Allow FEMA to Provide Disaster Aid to Churches? PMID- 29212418 TI - Clinical characteristics and outcome of childhood acute promyelocitic leukemia (APL) in Saudi Arabia: a multicenter SAPHOS leukemia group study. AB - BACKGROUND: Acute promyelocytic leukemia (APL) is a rare form of acute myelogenous leukemia (AML). Survival rates exceed 80% in developed countries. Successful treatments rely on all-trans retinoic acid with anthracycline-based chemotherapy. Availability of modern care and public knowledge play important roles in pediatric APL survival. METHOD: A cytogenetic diagnosis of APL was confirmed in 30 (14.5%) out of 207 children consecutively diagnosed with de novo AML between January 2005 and December 2012 at nine cancer care centers in Saudi Arabia. Patients were treated based on the standard protocol used by the center following the PETHEMA or the C9710 treatment protocols. We modeled 5-year overall survival (OS), event-free survival (EFS) and cumulative incidence of relapse (CIR) vs. treatment and potential covariates of age at diagnosis, involvement of central nervous system (CNS), and white blood cell (WBC) levels. RESULTS: The median age was 10.4 years with a male:female ratio of 1.9. WBC was 10 * 109/l or greater in 57% and CNS involvement was confirmed in 13%. OS, EFS, and CIR were 74 +/- 12%, 55 +/- 19%, and, 36 +/- 17% respectively. No significant difference was found by treatment protocol. WBC levels were significantly prognostic for all negative events, but treatment with C9710 significantly ameliorated negative WBC effects. Overall outcomes were comparable to those reported in developed countries. CONCLUSIONS: Access to modern care is likely to be a critical factor in successful and comparable outcomes of childhood APL across the globe. In the present study, utilizing a cytarabine-containing protocol improved outcome of high-risk pediatric patients with APL. PMID- 29212419 TI - Surface modification of PHBV nanofiber mats for rapid cell cultivation and harvesting. AB - To maintain the original function of a specific tissue for therapeutic tissue engineering, an advanced cell culture surface for repeat cell proliferation is necessary. We designed a novel cell proliferation and rapid harvesting surface by combining nonwoven nanofiber mat and a thermo-responsive polymer. Nanofibrous poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) mats were fabricated by the electrospinning technique. A poly(N-isopropylacrylamide) (PNIPAM) thermo responsive layer was grafted on the PHBV nanofiber mat by electron beam irradiation. The average diameter of the PNIPAM-grafted PHBV nanofibers was determined by SEM. ATR-FTIR and ESCA were used to confirm the grafting of PNIPAM onto the PHBV nanofiber surface. Water contact angles on the mats were measured in response to temperature changes. Human adipose-derived stem cells (ADSCs) were cultured on the PNIPAM-grafted PHBV nanofiber mat to investigate cell proliferation, harvesting, and functionality during repeat subculture. Detached ADSCs from each surface by low temperature treatment and trypsin-EDTA were compared by a fluorescence-activated cell sorter (FACS) using expression of stem cell membrane-specific markers such as CD-13 PE, CD-29 PE, and CD-90 FITC. The mass cultivation and intact harvesting of stem cells by low temperature treatment using a thermo-responsive PHBV nanofiber mat is a promising technique for use in regenerative medicine and stem cell therapy. PMID- 29212420 TI - Durable response after VNCOP-B and rituximab in an elderly patient with high grade B-cell lymphoma. AB - OBJECTIVES AND METHODS: High-grade B-cell lymphoma, NOS (HGBL) have an aggressive clinical behavior and poor outcome using regimens currently employed for diffuse large B-cell lymphoma (DLBCL) such as rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). Promising results have been reported with more intensive regimens but this strategy is not suitable for elderly or unfit patients. Rituximab in association with cyclophosphamide, mitoxantrone, vincristine, etoposide, bleomycin, and prednisone (R-VNCOP-B) demonstrated high efficacy and manageable toxicity as first-line treatment for elderly aggressive non-Hodgkin lymphoma patients. RESULTS AND CONCLUSION: In this case study, we report the rapid improvement, long-lasting complete remission, and mild toxicity of R-VNCOP-B regimen in an elderly, triple-expressor HGBL patient, with aggressive disease and poor-risk profile. PMID- 29212421 TI - Antineoplastic chemotherapy in Jehovah's Witness patients with acute myelogenous leukemia refusing blood products - a matched pair analysis. AB - BACKGROUND: Acute myelogenous leukemia (AML) may be cured in a substantial number of patients using intensive chemotherapeutic regimens leading to temporary severe myelosuppression. Patients belonging to the denomination of Jehovah's Witnesses (JW), however, are bound by their religious convictions not to accept blood products and are therefore at higher risk for life-threatening events. Reports how to handle this challenge are mainly anecdotal. MATERIAL AND METHODS: We here report in much more detail about our experience with nine patients belonging to the denomination of JW who were treated for AML in our department from 1998 to 2007 and who explicitly wished to receive chemotherapy without blood transfusions. RESULTS: Reduced dose induction chemotherapy administered by several treatment cycles to prevent sustained myelosuppression still led to complete remissions in three out of nine of JW patients but was associated with a high rate of relapse. No durable remission was achieved. The overall hazard ratio for death was 12.1 compared to a matched control group treated with full transfusion support. The predominant cause of non-AML mortality was severe anemia (four out of five early deaths) and uncontrollable bleeding (n = 1). CONCLUSION: Reduced dose chemotherapy without transfusion support in JW suffering from AML is associated with a lower rate of remission, high mortality by severe anemia and very low chances for long-term remissions. Less hematotoxic treatment options including hypomethylating agents or molecular targeted therapies with intensive consolidation after improvement of bone marrow function are promising for these patients but need further investigation. PMID- 29212422 TI - Growth curves of clients' emotional experience and their association with emotion regulation and symptoms. AB - OBJECTIVE: Emotional experience during psychotherapy is considered a core mechanism of change. Yet the sheer experience itself may not necessarily be beneficial; instead, the trajectories of emotional experience need to be explored as possible predictors of treatment outcomes. This study investigated whether clients' pre-treatment levels of emotion regulation and symptoms predicted patterns of session-to-session change in emotional experience. We also explored which patterns better predict clients' improvement in emotion regulation and symptoms from pre- to post treatment. METHOD: One-hundred and seven clients undergoing psychodynamic psychotherapy completed questionnaires on their symptoms and emotion regulation at pre- and post- treatment. They also reported their level of emotional experience at the end of each session. RESULTS: Pre-treatment symptoms and difficulties in emotion regulation predicted greater instability in emotional experience. Higher mean levels of emotional experience during treatment were associated with an improvement in emotion regulation, and greater stability during treatment was associated with improvement in emotion regulation and symptoms. CONCLUSIONS: These findings lend weight to the idea that experiencing emotion in the therapeutic environment has significant implications for clients' ability to manage their emotions outside the session. However, emotions experienced in an unstable manner within therapy are associated with poorer outcomes. Clinical and methodological significance of this article: Therapists can benefit from observing the patterns and not only the level of their clients' emotional experiences. The identification of clients' difficulties early in treatment may help therapists guide clients through the delicate process of carefully attending to their emotions. PMID- 29212423 TI - Subtraction computed tomography imaging to detect endoleaks after endovascular aneurysm sealing with sac anchoring. AB - Background Early detection of small type I endoleaks after endovascular aneurysm sealing is mandatory because they can rapidly progress and lead to severe complications. Recognition of endoleaks can be challenging due to the appearances on computed tomography unique to endovascular aneurysm sealing. We aimed to validate the accuracy and added value of subtraction computed tomography imaging using a post-processing software algorithm to improve detection of endovascular aneurysm sealing-associated endoleaks on postoperative surveillance imaging. Methods The computed tomography scans of 17 patients (16 males; median age: 78, range: 72-84) who underwent a post-endovascular aneurysm sealing computed tomography including both non-contrast and arterial phase series were used to validate the post processing software algorithm. Subtraction images are produced after segmentation and alignment. Initial alignment of the stent segmentations is automatically performed by registering the geometric centers of the 3D coordinates of both computed tomography series. Accurate alignment is then performed by translation with an iterative closest point algorithm. Accuracy of alignment was determined by calculating the root mean square error between matched 3D coordinates of stent segmentations. Results The median root mean square error after initial center of gravity alignment was 0.62 mm (IQR: 0.55 0.80 mm), which improved to 0.53 mm (IQR: 0.47-0.69 mm) after the ICP alignment. Visual inspection showed good alignment and no manual adjustment was necessary. Conclusions The possible merit of subtraction computed tomography imaging for the detection of small endoleaks during surveillance after endovascular aneurysm sealing was illustrated. Alignment of different computed tomography phases using a software algorithm was very accurate. Further studies are needed to establish the exact role of this technique during surveillance after endovascular aneurysm sealing compared to less invasive techniques like contrast-enhanced ultrasound. PMID- 29212424 TI - Surgical complications of cochlear implantation in a tertiary university hospital. AB - INTRODUCTION: Cochlear implantation remains a popular and effective therapy for patients with sensorineural hearing loss that not get benefit from conventional hearing aids Objective: To analyze the surgical complications obtained in patients that underwent cochlear implantation in a tertiary university hospital. MATERIALS AND METHODS: Retrospective analysis of the medical files of cochlear implant patients who underwent surgery at our institution between October 2014 and July 2016. This population comprised 163 patients (52.7% males and 47.3% females). Complications were classified in to 'major' and 'minor' complications depending on degree of management. RESULTS: Overall, the mean age at the time of implantation was 7.44 years. The cause of deafness was congenital in 81.6% of patients and acquired in 18.4% of patients. The overall complication rate was 10.43%, 3.68% being major and 6.75% being minor complications. The most common minor complication in our series was wound complications, and the most common major complication was device failure. Excluding device failures, the major complication rate was 1.84%. CONCLUSION: Cochlear implantation is a safe surgical technique for rehabilitation of patients with severe to profound hearing loss, associated with a low surgical complications rate. The majority of surgical complications can be managed with conservative measures or minimal intervention. PMID- 29212425 TI - Sustainable recovery of valuable metals from spent lithium-ion batteries using DL malic acid: Leaching and kinetics aspect. AB - An eco-friendly and benign process has been investigated for the dissolution of Li, Co, Ni, and Mn from the cathode materials of spent LiNi1/3Co1/3Mn1/3O2 batteries, using DL-malic acid as the leaching agent in this study. The leaching efficiencies of Li, Co, Ni, and Mn can reach about 98.9%, 94.3%, 95.1%, and 96.4%, respectively, under the leaching conditions of DL-malic acid concentration of 1.2 M, hydrogen peroxide content of 1.5 vol.%, solid-to-liquid ratio of 40 g l 1, leaching temperature of 80 degrees C, and leaching time of 30 min. In addition, the leaching kinetic was investigated based on the shrinking model and the results reveal that the leaching reaction is controlled by chemical reactions within 10 min with activation energies (Ea) of 21.3 kJ.mol-1, 30.4 kJ.mol-1, 27.9 kJ.mol-1, and 26.2 kJ.mol-1 for Li, Co, Ni, and Mn, respectively. Diffusion process becomes the controlled step with a prolonged leaching time from 15 to 30 min, and the activation energies (Ea) are 20.2 kJ.mol-1, 28.9 kJ.mol-1, 26.3 kJ.mol-1, and 25.0 kJ.mol-1 for Li, Co, Ni, and Mn, respectively. This hydrometallurgical route was found to be effective and environmentally friendly for leaching metals from spent lithium batteries. PMID- 29212426 TI - Editor's Presentation. PMID- 29212427 TI - 2017 Year in Review. PMID- 29212429 TI - The impact of luteinizing hormone supplementation in gonadotropin-releasing hormone antagonist cycles: a retrospective cohort study. AB - The impact of exogenous luteinizing hormone (LH) supplementation to patients undergoing controlled ovarian stimulation with gonadotropin-releasing hormone (GnRH) antagonists on cycle outcomes is controversial. Here, we present a retrospective cohort study including cycles from December 2015 to December 2016. Totally 320 cycles were divided into two groups according to with or without exogenous LH supplementation. No significant differences regarding the number of retrieved oocytes, the number of good-quality embryos, and clinical pregnancy rate between the two groups were found. The logistic regression analysis revealed that LH supplementation was not independently associated with clinical pregnancy rate (OR = 0.577, 95% CI: 0.272-1.222, p = .58) or a biochemical pregnancy rate (OR = 0.922, 95% CI: 0.444-1.916, p = .83). When patients were divided into subgroups based on age, more retrieved oocytes (5.60 vs. 3.97, p = .04) and good quality embryos (3.07 vs. 1.93, p = .01) were achieved in cycles with exogenous LH supplementation for 40 years and over group. We conclude that for aged women (40 years old and over), LH supplementation has a positive impact on the number of retrieved oocytes and good-quality embryos in GnRH antagonist cycles. PMID- 29212430 TI - Work ability score and future work ability as predictors of register-based disability pension and long-term sickness absence: A three-year follow-up study. AB - AIMS: We investigated two single items of the Work Ability Index - work ability score, and future work ability - as predictors of register-based disability pension and long-term sickness absence over a three-year follow-up. METHODS: Survey responses of 11,131 Finnish employees were linked to pension and long-term (more than 10 days) sickness absence register data by Statistics Finland. Work ability score was divided into poor (0-5), moderate (6-7) and good/excellent (8 10) and future work ability into poor (1-2) and good (3) work ability at baseline. Cox proportional hazard regressions were used in the analysis of disability pension, and a negative binomial model in the analysis of long-term sickness absence. The results were adjusted for several background, work- and health-related covariates. RESULTS: Compared with those with good/excellent work ability scores, the hazard ratios of disability pension after adjusting for all covariates were 9.84 (95% CI 6.68-14.49) for poor and 2.25 (CI 95% 1.51-3.35) for moderate work ability score. For future work ability, the hazard ratio was 8.19 (95% CI 4.71-14.23) among those with poor future work ability. The incidence rate ratios of accumulated long-term sickness absence days were 3.08 (95% CI 2.19 4.32) and 1.59 (95% CI 1.32-1.92) for poor and moderate work ability scores, and 1.51 (95% CI 0.97-2.36) for poor future work ability. CONCLUSIONS: The single items of work ability score and future work ability predicted register-based disability pension equally well, but work ability score was a better predictor of register-based long-term sickness absence days than future work ability in a three-year follow-up. Both items seem to be of use especially when examining the risk of poor work ability for disability but also for long sick leave. PMID- 29212431 TI - A three-year national follow-up study on the development of community-level cancer rehabilitation in Denmark. AB - AIMS: Scandinavian cancer care policies emphasise community-level rehabilitation services, but little is known about changes in service provision over time. This follow-up study explores development in these services in Danish municipalities, focusing on availability, utilisation and organisation of services, including existing opportunities and challenges. METHODS: A national survey among all 98 Danish municipalities was conducted in 2013 (baseline) and repeated in 2016 (follow-up). The electronic questionnaire comprised closed- and open-ended questions. Data were analysed using descriptive statistics and content analysis. RESULTS: A total of 93 municipalities responded (95% response rate) and the services offered primarily comprised group physical activity, dietary advice, smoking cessation and individual counselling on physical activity. The number of patients enrolled was below the estimated number needing rehabilitation in Denmark. Inequality in utilisation by ethnicity, age and gender was reported. Key challenges for the delivery of services were: inadequate referral and recruitment procedures; lack of needs assessment tools; obstacles to ensuring collaboration and referral of patients between hospitals and municipalities; and inadequate evidence on the rehabilitation's effect. Key recommendations include ensuring collaboration between municipalities; provision of diagnosis-specific group-based activities; services focusing on physical activity; and gender-specific activities directed particularly at men. CONCLUSIONS: This study, which highlights improvements in the provision of community-level cancer rehabilitation, recommends that more effort be made to ensure equality in utilisation across patient groups, improved integration of municipal-level services into cancer care trajectories, more uniform documentation of service delivery and the enforcement of patient outcomes to gradually build a more robust evidence base for community-level cancer rehabilitation. PMID- 29212432 TI - Maternity leave duration and adverse pregnancy outcomes: An international country level comparison. AB - AIM: Preterm birth and low birthweight (LBW) lead to infant morbidity and mortality. The causes are unknown. This study evaluates the association between duration of maternity leave and birth outcomes at country level. METHOD: We compiled data on duration of maternity leave for 180 countries of which 36 specified prenatal leave, 190 specified income, 183 specified preterm birth rates and 185 specified the LBW rate. Multivariate and seemingly unrelated regression analyses were done in STATA. RESULTS: Mean maternity leave duration was 15.4 weeks ( SD=7.7; range 4-52 weeks). One additional week of maternity leave was associated with a 0.09% lower preterm rate (95% confidence interval [CI] -0.15 to -0.04) adjusting for income and being an African country. An additional week of maternity leave was associated with a 0.14% lower rate of LBW (95% CI -0.24 to 0.05). Mean prenatal maternity leave across 36 countries was six weeks ( SD=2.7; range 2-14 weeks). One week of prenatal maternity leave was associated with a 0.07% lower preterm rate (95% CI -0.10 to 0.24) and a 0.06% lower rate of LBW (95% CI -0.14 to 0.27), but these results were not statistically significant. By adjusting for income status categories, the preterm birth rate was 1.53% higher and the LBW rate was 2.17% higher in Africa compared to the rest of the world. CONCLUSIONS: Maternity leave duration is significantly associated with birth outcomes. However, the association was not significant among 36 countries that specified prenatal maternity leave. Studies are needed to evaluate the correlation between prenatal leave and birth outcomes. PMID- 29212433 TI - Age Dependence of Thresholds for Speech in Noise in Normal-Hearing Adolescents. AB - Previously found effects of age on thresholds for speech reception thresholds in noise in adolescents as measured by an online screening survey require further study in a well-controlled teenage sample. Speech reception thresholds (SRT) of 72 normal-hearing adolescent students were analyzed by means of the online speech in-noise screening tool Earcheck (In Dutch: Oorcheck). Screening was performed at school and included pure-tone audiometry to ensure normal-hearing thresholds. The students' ages ranged from 12 to 17 years. A group of young adults was included as a control group. Data were controlled for effects of gender and level of education. SRT scores within the controlled teenage sample revealed an effect of age on the order of an improvement of -0.2 dB per year. Effects of level of education and gender were not significant. Hearing screening tools that are based on SRT for speech in noise should control for an effect of age when assessing adolescents. Based on the present data, a correction factor of -0.2 dB per year between the ages of 12 and 17 is proposed. The proposed age-corrected SRT cut-off scores need to be evaluated in a larger sample including hearing-impaired adolescents. PMID- 29212435 TI - Adhesive capsulitis of the hip. AB - PURPOSE: Adhesive capsulitis of the hip (ACH) is not a well-defined disease entity. We evaluated the change in the clinical features of patients whose chief complaint was inability to sit cross-legged on the floor. All patients had painful limitation in hip joint motion. Based on the diagnosis of ACH, active stretching exercise (ASE) was recommended. METHODS: In February 2013 and June 2014, a total of 44 patients (50 hips), who visited outpatient clinic in 2011, were evaluated by telephone interviews. Recovery of hip motion was analyzed according to compliance with ASE and abnormalities found on plane radiographs and magnetic resonance (MR) images. RESULTS: There were 27 women and 17 men with mean age of 51.7 years. In the first telephone interview, 40 patients (45 hips) reported improvement in hip motion but 4 patients (5 hips) reported absolutely no improvement. Compliance with ASE did not affect recovery of motion ( p = 0.225). On plain radiographs, 10 patients (22.7%) had abnormal finding in both hips. Those abnormal findings were not correlated with symptom and did not show adverse effect on motion recovery. Sixteen patients took MR images outside, and abnormal findings such as round ligament or labral tear were observed in nine patients. Those abnormal findings neither correlated with the symptom nor affected motion recovery adversely. In the second telephone interview, nine hips of further improvement and two hips of recurrence were identified. CONCLUSIONS: Most cases showed improvement in the range of motion with or without ASE. Surgical treatments including arthroscopy seemed to be unnecessary for these patients. PMID- 29212434 TI - Stable Isotope Pharmacokinetic Studies Provide Insight into Effects of Age, Sex, and Weight on Levothyroxine Metabolism. AB - BACKGROUND: This study sought to determine whether levothyroxine pharmacokinetics (PKs) are affected by age, weight, and sex. METHODS: A PK study was performed after administration of a tracer dose of carbon-13-labeled LT4 (13C-LT4). The study was conducted at an academic medical center. Adults of any age being treated with levothyroxine for hypothyroidism were enrolled in the study. A single dose of 13C-LT4 was administered. Eighteen serial plasma samples were collected. One sample was obtained before the 13C-LT4 dose, and the majority of the remaining samples were collected over the 120-hour period post dosing. 13C LT4 concentration was quantified using liquid chromatography tandem mass spectrometry. PK analysis was conducted using a linear log trapezoidal non compartmental analysis using Phoenix 6.4. RESULTS: Eight males and 33 females with a median age of 50 years (range 22-78 years) and median weight of 65.9 kg (range 50-150 kg) were enrolled in the study. The median 13C-LT4 dose administered was 100 MUg (range 70-300 MUg). The median oral clearance rate (CL/F), apparent volume of distribution (V/F), time to peak concentration (Tmax), and dose-normalized peak concentration (Cmax) of 13C-LT4 were estimated to be 0.712 L/h, 164.9 L, 4 h, and 7.5 ng/L/MUg, respectively. The dose-normalized area under the concentration-time curve from time 0 to 120 hours and half-life of the terminal distribution phase were 0.931 ng.h/mL/MUg and 172.2 h, respectively. There was no significant difference in any 13C-LT4 PK parameter between patients aged >60 years (n = 10) and patients aged <=60 years (n = 31), nor was there a relationship between age as a continuous variable and 13C-LT4 PK parameters. Sex only affected CL/F, V/F, and dose-normalized Cmax in univariate analyses. However, after adjusting for weight, sex was no longer a significant covariate. Weight was a significant predictor for CL/F, V/F and dose-normalized Cmax of 13C LT4 in multivariate analyses. CONCLUSION: Prior studies suggest that patient age affects levothyroxine dose requirement. This study did not identify an effect of age and suggests that age-related changes in levothyroxine pharmacokinetics may be mediated by age-related weight differences. Physicians should consider a patient's weight, rather than age, for estimating levothyroxine dosage requirement. PMID- 29212436 TI - Estimation of individual thigh muscle volumes from a single-slice muscle cross sectional area and muscle thickness using magnetic resonance imaging in patients with knee osteoarthritis. AB - PURPOSE: This study aimed to identify the best single-slice anatomical muscle cross-sectional area (CSA) and muscle thickness (MT) on magnetic resonance imaging (MRI) to estimate the overall individual muscle volumes (MVs) of knee extensors and flexors in patients with knee osteoarthritis (KOA). METHODS: Twelve patients (24 legs; 4 men and 8 women) with KOA underwent a 1.5-Tesla axial MRI scan in the femoral region of interest (ROI), between the lesser trochanter and rectus femoris tendon. Individual MVs were calculated by numerical integration based on individual CSAs analyzed at the ROI. The best slice was determined as follows: coefficient of determination ( R2) between MVs measured and those estimated from the femoral length (FL) * CSAs or FL * MTs measured at each 10% interval level of the ROI. These estimation equations were applied for a cross validation group (24 KOA patients: 12 men and 12 women). RESULTS: Estimated individual MVs of knee extensors and flexors, based on the CSAs at the distal 10% level, significantly correlated with each of the measured individual MVs ( R2: 0.79-0.96, p < 0.05 for all). Similarly, estimated individual knee extensor MVs, based on MTs at the mid-slice, significantly correlated with each of the measured individual MVs ( R2: 0.77-0.84, p < 0.05 for all). The application of the developed regression equation to the cross-validation group did not exhibit any systematic bias. CONCLUSION: These simple methods could be applied in prospective research with a larger number of patients with KOA. PMID- 29212437 TI - K-rod dynamic internal fixation versus microendoscopic discectomy for the treatment of single-segment lumbar disc herniation. AB - PURPOSE: This study compared the clinical outcome of K-rod dynamic internal fixation versus microendoscopic discectomy (MED) for the treatment of single segment lumbar disc herniation. METHODS: This retrospective study included 34 patients with L4-L5 single-segment lumbar disc herniation who underwent K-rod dynamic internal fixation ( n = 18) or MED ( n = 16). The pain was evaluated by the Oswestry disability index (ODI) and visual analogue scale (VAS). The neurological function was assessed by the Japanese Orthopaedic Association (JOA) scores. The height of intervertebral space was calculated using X-ray images, and the disc degeneration was evaluated based on Pfirrmann scores. The mean follow-up time was 31 months (range, 18-46 months). RESULTS: In both groups, the ODI scores, VAS scores and JOA scores were significantly improved at the last follow up compared with the preoperative values ( p < 0.05). There was no significant difference in the improvement of ODI, VAS and JOA scores between the two groups ( p > 0.05). The height of intervertebral space in the surgical segments, proximal segments and distal segments, was significantly greater in the K-rod group than in the MED group. The disc degeneration occurred more in the MED group than in the K-rod group ( p < 0.05). CONCLUSION: K-rod internal fixation and MED produce satisfactory outcomes in the treatment of single-segment lumbar disc herniation. K-rod internal fixation is superior to MED in preventing adjacent segment degeneration. PMID- 29212439 TI - Reversing Infertility After Chemotherapy. PMID- 29212438 TI - The Intensity and Timing of Sex Offender Treatment. AB - Current evidence about the impact of specialized sex offender treatment on reoffending remains inconsistent, drawing attention to the need to focus more on those program characteristics that potentially moderate outcome. This review considers current professional perspectives and evidence on two defining aspects of treatment: its intensity and timing. It is concluded that insufficient evidence currently exists to articulate best practice in this area and there is a pressing need to collect empirical evidence about the effectiveness of different intensity treatments offered at different stages of sentence. PMID- 29212440 TI - CONSTAX: a tool for improved taxonomic resolution of environmental fungal ITS sequences. AB - BACKGROUND: One of the most crucial steps in high-throughput sequence-based microbiome studies is the taxonomic assignment of sequences belonging to operational taxonomic units (OTUs). Without taxonomic classification, functional and biological information of microbial communities cannot be inferred or interpreted. The internal transcribed spacer (ITS) region of the ribosomal DNA is the conventional marker region for fungal community studies. While bioinformatics pipelines that cluster reads into OTUs have received much attention in the literature, less attention has been given to the taxonomic classification of these sequences, upon which biological inference is dependent. RESULTS: Here we compare how three common fungal OTU taxonomic assignment tools (RDP Classifier, UTAX, and SINTAX) handle ITS fungal sequence data. The classification power, defined as the proportion of assigned OTUs at a given taxonomic rank, varied among the classifiers. Classifiers were generally consistent (assignment of the same taxonomy to a given OTU) across datasets and ranks; a small number of OTUs were assigned unique classifications across programs. We developed CONSTAX (CONSensus TAXonomy), a Python tool that compares taxonomic classifications of the three programs and merges them into an improved consensus taxonomy. This tool also produces summary classification outputs that are useful for downstream analyses. CONCLUSIONS: Our results demonstrate that independent taxonomy assignment tools classify unique members of the fungal community, and greater classification power is realized by generating consensus taxonomy of available classifiers with CONSTAX. PMID- 29212441 TI - Evolution of cytokinesis-related protein localization during the emergence of multicellularity in volvocine green algae. AB - BACKGROUND: The volvocine lineage, containing unicellular Chlamydomonas reinhardtii and differentiated multicellular Volvox carteri, is a powerful model for comparative studies aiming at understanding emergence of multicellularity. Tetrabaena socialis is the simplest multicellular volvocine alga and belongs to the family Tetrabaenaceae that is sister to more complex multicellular volvocine families, Goniaceae and Volvocaceae. Thus, T. socialis is a key species to elucidate the initial steps in the evolution of multicellularity. In the asexual life cycle of C. reinhardtii and multicellular volvocine species, reproductive cells form daughter cells/colonies by multiple fission. In embryogenesis of the multicellular species, daughter protoplasts are connected to one another by cytoplasmic bridges formed by incomplete cytokinesis during multiple fission. These bridges are important for arranging the daughter protoplasts in appropriate positions such that species-specific integrated multicellular individuals are shaped. Detailed comparative studies of cytokinesis between unicellular and simple multicellular volvocine species will help to elucidate the emergence of multicellularity from the unicellular ancestor. However, the cytokinesis-related genes between closely related unicellular and multicellular species have not been subjected to a comparative analysis. RESULTS: Here we focused on dynamin-related protein 1 (DRP1), which is known for its role in cytokinesis in land plants. Immunofluorescence microscopy using an antibody against T. socialis DRP1 revealed that volvocine DRP1 was localized to division planes during cytokinesis in unicellular C. reinhardtii and two simple multicellular volvocine species T. socialis and Gonium pectorale. DRP1 signals were mainly observed in the newly formed division planes of unicellular C. reinhardtii during multiple fission, whereas in multicellular T. socialis and G. pectorale, DRP1 signals were observed in all division planes during embryogenesis. CONCLUSIONS: These results indicate that the molecular mechanisms of cytokinesis may be different in unicellular and multicellular volvocine algae. The localization of DRP1 during multiple fission might have been modified in the common ancestor of multicellular volvocine algae. This modification may have been essential for the re-orientation of cells and shaping colonies during the emergence of multicellularity in this lineage. PMID- 29212442 TI - Impact of inappropriate antifungal therapy according to current susceptibility breakpoints on Candida bloodstream infection mortality, a retrospective analysis. AB - BACKGROUND: The mortality of Candida Bloodstream Infection (CBSI) remains high. Antifungal susceptibility breakpoints were recently updated for Candida species, the impact remains unknown. In this study we evaluated the impact of inappropriate antifungal treatment according to recent breakpoints on 30-day mortality of CBSI. METHODS: From June 2008 to July 2014, data on CBSI episodes from two tertiary-care centers, treated > 72 h were analyzed. Antifungal therapy and 30-day mortality were registered. Inappropriate antifungal treatment according to current Clinical & Laboratory Standards Institute (CLSI) breakpoints was adjusted with 30-day mortality-related co-variates. RESULTS: One hundred forty-nine episodes of CBSI were analyzed. The most frequent species were: C. albicans (40%), C. tropicalis (23%) and C. glabrata complex (20%). According to the 2012 CLSI, 10.7% received inappropriate treatment. The 30-day mortality was 38%; severe sepsis [Odds ratio (OR) 3.4; 95% CI 1.3-8.4], cirrhosis (OR 36; 95% CI 12.2-605), early central venous catheter removal (OR 0.23; 95% CI 0.08-0.66) and previous antifungal therapy (OR 0.15; 95%CI 0.03-0.62), were associated with 30-day mortality by multivariate analysis. Inappropriate antifungal treatment was not (OR 0.19; 95% CI 0.03-1.2). CONCLUSIONS: Appropriate antifungal therapy according to CLSI 2012 did not have an impact on mortality. Mortality of CBSI remains high due to disease severity and comorbidities; early antifungal therapy and catheter removal may reduce it. PMID- 29212443 TI - The current incidence, prevalence, and residual risk of hepatitis B viral infections among voluntary blood donors in China. AB - BACKGROUND: There are few data available on the prevalence, incidence, and residual risk of transfusion-transmitted HBV (TT-HBV) infections among Chinese blood donors. This study investigated the demographic characteristics of blood donors, as well as the prevalence, incidence, and residual risk (RR) of TT-HBV infections in six large blood centers in different regions of China. METHODS: The demographic characteristics and HBV screening test results of blood donors from six blood centers in different regions in China were collected and analyzed. The hepatitis B surface antigen (HBsAg) yield approach was used to estimate the incidence of HBV. Then, the RR of TT-HBV infections was evaluated using the incidence-window period model. RESULTS: The majority of donors were between 18 and 35 years old (including 35), with the exception of the Changzhi Blood Center where a majority of donors were between 35 and 55 years old (including 55). The prevalences of HBV were 0.13%, 0.078%, 0.16%, 0.07%, 0.20%, 0.25% in Hefei, Dalian, Changzhi, Kaifeng, Mianyang and Fujian, respectively. The estimated corresponding incidences were 213.44, 161.59, 989.80, 278.05, 125.31 and 352.19 per 105 person-years. Using an infectious window period of 59 days, the RR for HBV was estimated to be 34.14, 25.85, 158.35, 44.48, 20.04 and 56.35 per 105 person-years in Hefei, Dalian, Changzhi, Kaifeng, Mianyang and Fujian, respectively. CONCLUSION: Despite the introduction of more sensitive assays in blood screening, our data revealed that the current residual risk of TT-HBV infection was still high (overall 56.53 per 105 py). A continuous monitoring of the residual risk of transfusion-transmitted infections is crucial for safe blood management. PMID- 29212444 TI - Multi-disciplinary team for early gastric cancer diagnosis improves the detection rate of early gastric cancer. AB - BACKGROUND: Gastric cancer is a frequent malignant tumor worldwide and its early detection is crucial for curing the disease and enhancing patients' survival rate. This study aimed to assess whether the multi-disciplinary team (MDT) can improve the detection rate of early gastric cancer (EGC). METHODS: The detection rate of EGC at the Digestive Endoscopy Center, Affiliated Hospital, Zunyi Medical College, China between September 2013 and September 2015 was analyzed. MDT for the diagnosis of EGC in the hospital was established in September 2014. The study was divided into 2 time periods: September 1, 2013 to August 31, 2014 (period 1) and September 1, 2014 to September 1, 2015 (period 2). RESULTS: A total of 60,800 patients' gastroscopies were performed during the two years. 61 of these patients (0.1%) were diagnosed as EGC, accounting for 16.44% (61/371) of total patients with gastric cancer. The EGC detection rate before MDT (period 1) was 0.05% (16/29403), accounting for 9.09% (16/176) of total patients with gastric cancer during this period. In comparison, the EGC detection rate during MDT (period 2) was 0.15% (45/31397), accounting for 23% (45/195) of total patients with gastric cancer during this period (P < 0.05). Univariate and multivariate logistic analyses showed that intensive gastroscopy for high risk patients of gastric cancer enhanced the detection rate of EGC in cooperation with Department of Pathology (OR = 10.1, 95% CI 2.39-43.3, P < 0.05). CONCLUSION: MDT could improve the endoscopic detection rate of EGC. PMID- 29212445 TI - Chromosome structures: reduction of certain problems with unequal gene content and gene paralogs to integer linear programming. AB - BACKGROUND: Chromosome structure is a very limited model of the genome including the information about its chromosomes such as their linear or circular organization, the order of genes on them, and the DNA strand encoding a gene. Gene lengths, nucleotide composition, and intergenic regions are ignored. Although highly incomplete, such structure can be used in many cases, e.g., to reconstruct phylogeny and evolutionary events, to identify gene synteny, regulatory elements and promoters (considering highly conserved elements), etc. Three problems are considered; all assume unequal gene content and the presence of gene paralogs. The distance problem is to determine the minimum number of operations required to transform one chromosome structure into another and the corresponding transformation itself including the identification of paralogs in two structures. We use the DCJ model which is one of the most studied combinatorial rearrangement models. Double-, sesqui-, and single-operations as well as deletion and insertion of a chromosome region are considered in the model; the single ones comprise cut and join. In the reconstruction problem, a phylogenetic tree with chromosome structures in the leaves is given. It is necessary to assign the structures to inner nodes of the tree to minimize the sum of distances between terminal structures of each edge and to identify the mutual paralogs in a fairly large set of structures. A linear algorithm is known for the distance problem without paralogs, while the presence of paralogs makes it NP hard. If paralogs are allowed but the insertion and deletion operations are missing (and special constraints are imposed), the reduction of the distance problem to integer linear programming is known. Apparently, the reconstruction problem is NP-hard even in the absence of paralogs. The problem of contigs is to find the optimal arrangements for each given set of contigs, which also includes the mutual identification of paralogs. RESULTS: We proved that these problems can be reduced to integer linear programming formulations, which allows an algorithm to redefine the problems to implement a very special case of the integer linear programming tool. The results were tested on synthetic and biological samples. CONCLUSIONS: Three well-known problems were reduced to a very special case of integer linear programming, which is a new method of their solutions. Integer linear programming is clearly among the main computational methods and, as generally accepted, is fast on average; in particular, computation systems specifically targeted at it are available. The challenges are to reduce the size of the corresponding integer linear programming formulations and to incorporate a more detailed biological concept in our model of the reconstruction. PMID- 29212446 TI - Transcriptomics analysis of the flowering regulatory genes involved in the herbicide resistance of Asia minor bluegrass (Polypogon fugax). AB - BACKGROUND: Asia minor bluegrass (Polypogon fugax, P. fugax), a weed that is both distributed across China and associated with winter crops, has evolved resistance to acetyl-CoA carboxylase (ACCase) herbicides, but the resistance mechanism remains unclear. The goal of this study was to analyze the transcriptome between resistant and sensitive populations of P. fugax at the flowering stage. RESULTS: Populations resistant and susceptible to clodinafop-propargyl showed distinct transcriptome profiles. A total of 206,041 unigenes were identified; 165,901 unique sequences were annotated using BLASTX alignment databases. Among them, 5904 unigenes were classified into 58 transcription factor families. Nine families were related to the regulation of plant growth and development and to stress responses. Twelve unigenes were differentially expressed between the clodinafop-propargyl-sensitive and clodinafop-propargyl-resistant populations at the early flowering stage; among those unigenes, three belonged to the ABI3VP1, BHLH, and GRAS families, while the remaining nine belonged to the MADS family. Compared with the clodinafop-propargyl-sensitive plants, the resistant plants exhibited different expression pattern of these 12 unigenes. CONCLUSION: This study identified differentially expressed unigenes related to ACCase-resistant P. fugax and thus provides a genomic resource for understanding the molecular basis of early flowering. PMID- 29212447 TI - On the impact of relatedness on SNP association analysis. AB - BACKGROUND: When testing for SNP (single nucleotide polymorphism) associations in related individuals, observations are not independent. Simple linear regression assuming independent normally distributed residuals results in an increased type I error and the power of the test is also affected in a more complicate manner. Inflation of type I error is often successfully corrected by genomic control. However, this reduces the power of the test when relatedness is of concern. In the present paper, we derive explicit formulae to investigate how heritability and strength of relatedness contribute to variance inflation of the effect estimate of the linear model. Further, we study the consequences of variance inflation on hypothesis testing and compare the results with those of genomic control correction. We apply the developed theory to the publicly available HapMap trio data (N=129), the Sorbs (a self-contained population with N=977 characterised by a cryptic relatedness structure) and synthetic family studies with different sample sizes (ranging from N=129 to N=999) and different degrees of relatedness. RESULTS: We derive explicit and easily to apply approximation formulae to estimate the impact of relatedness on the variance of the effect estimate of the linear regression model. Variance inflation increases with increasing heritability. Relatedness structure also impacts the degree of variance inflation as shown for example family structures. Variance inflation is smallest for HapMap trios, followed by a synthetic family study corresponding to the trio data but with larger sample size than HapMap. Next strongest inflation is observed for the Sorbs, and finally, for a synthetic family study with a more extreme relatedness structure but with similar sample size as the Sorbs. Type I error increases rapidly with increasing inflation. However, for smaller significance levels, power increases with increasing inflation while the opposite holds for larger significance levels. When genomic control is applied, type I error is preserved while power decreases rapidly with increasing variance inflation. CONCLUSIONS: Stronger relatedness as well as higher heritability result in increased variance of the effect estimate of simple linear regression analysis. While type I error rates are generally inflated, the behaviour of power is more complex since power can be increased or reduced in dependence on relatedness and the heritability of the phenotype. Genomic control cannot be recommended to deal with inflation due to relatedness. Although it preserves type I error, the loss in power can be considerable. We provide a simple formula for estimating variance inflation given the relatedness structure and the heritability of a trait of interest. As a rule of thumb, variance inflation below 1.05 does not require correction and simple linear regression analysis is still appropriate. PMID- 29212448 TI - From genomes to genotypes: molecular epidemiological analysis of Chlamydia gallinacea reveals a high level of genetic diversity for this newly emerging chlamydial pathogen. AB - BACKGROUND: Chlamydia (C.) gallinacea is a recently identified bacterium that mainly infects domestic chickens. Demonstration of C. gallinacea in human atypical pneumonia suggests its zoonotic potential. Its prevalence in chickens exceeds that of C. psittaci, but genetic and genomic research on C. gallinacea is still at the beginning. In this study, we conducted whole-genome sequencing of C. gallinacea strain JX-1 isolated from an asymptomatic chicken, and comparative genomic analysis between C. gallinacea strains and related chlamydial species. RESULTS: The genome of C. gallinacea JX-1 was sequenced by single-molecule, real time technology and is comprised of a 1,059,522-bp circular chromosome with an overall G + C content of 37.93% and sequence similarity of 99.4% to type strain 08-1274/3. In addition, a plasmid designated pJX-1, almost identical to p1274 of the type strain, except for two point mutations, was only found in field strains from chicken, but not in other hosts. In contrast to chlamydial species with notably variable polymorphic membrane protein (pmp) genes and plasticity zone (PZ), these regions were conserved in both C. gallinacea strains. There were 15 predicted pmp genes, but only B, A, E1, H, G1 and G2 were apparently intact in both strains. In comparison to chlamydial species where the PZ may be up to 50 kbp, C. gallinacea strains displayed gene content reduction in the PZ (14 kbp), with strain JX-1 having a premature STOP codon in the cytotoxin (tox) gene, while tox gene is intact in the type strain. In multilocus sequence typing (MLST), 15 C. gallinacea STs were identified among 25 strains based on cognate MLST allelic profiles of the concatenated sequences. The type strain and all Chinese strains belong to two distinct phylogenetic clades. Clade of the Chinese strains separated into 14 genetically distinct lineages, thus revealing considerable genetic diversity of C. gallinacea strains in China. CONCLUSIONS: In this first detailed comparative genomic analysis of C. gallinacea, we have provided evidence for substantial genetic diversity among C. gallinacea strains. How these genetic polymorphisms affect C. gallinacea biology and pathogenicity should be addressed in future studies that focus on phylogenetics and host adaption of this enigmatic bacterial agent. PMID- 29212449 TI - Maternal variant in the upstream of FOXP3 gene on the X chromosome is associated with recurrent infertility in Japanese Black cattle. AB - BACKGROUND: Repeat breeding, which is defined as cattle failure to conceive after three or more inseminations in the absence of clinical abnormalities, is a substantial problem in cattle breeding. To identify maternal genetic variants of repeat breeding in Japanese Black cattle, we selected 29 repeat-breeding heifers that failed to conceive following embryo transfer (ET) and conducted a genome wide association study (GWAS) using the traits. RESULTS: We found that a single nucleotide polymorphism (SNP; g.92,377,635A > G) in the upstream region of the FOXP3 gene on the X chromosome was highly associated with repeat breeding and failure to conceive following ET (P = 1.51 * 10-14). FOXP3 is a master gene for differentiation of regulatory T (Treg) cells that function in pregnancy maintenance. Reporter assay results revealed that the activity of the FOXP3 promoter was lower in reporter constructs with the risk-allele than in those with the non-risk-allele by approximately 0.68 fold. These findings suggest that the variant in the upstream region of FOXP3 with the risk-allele decreased FOXP3 transcription, which in turn, could reduce the number of maternal Treg cells and lead to infertility. The frequency of the risk-allele in repeat-breeding heifers is more than that in cows, suggesting that the risk-allele could be associated with infertility in repeat-breeding heifers. CONCLUSIONS: This GWAS identified a maternal variant in the upstream region of FOXP3 that was associated with infertility in repeat-breeding Japanese Black cattle that failed to conceive using ET. The variant affected the level of FOXP3 mRNA expression. Thus, the results suggest that the risk-allele could serve as a useful marker to reduce and eliminate animals with inferior fertility in Japanese Black cattle. PMID- 29212450 TI - The impact of virus infections on pneumonia mortality is complex in adults: a prospective multicentre observational study. AB - BACKGROUND: Various viruses are known to be associated with pneumonia. However, the impact of viral infections on adult pneumonia mortality remains unclear. This study aimed to clarify the effect of virus infection on pneumonia mortality among adults stratified by virus type and patient comorbidities. METHODS: This multicentre prospective study enrolled pneumonia patients aged >=15 years from September 2011 to August 2014. Sputum samples were tested by in-house multiplex polymerase chain reaction assays to identify 13 respiratory viruses. Viral infection status and its effect on in-hospital mortality were examined by age group and comorbidity status. RESULTS: A total of 2617 patients were enrolled in the study and 77.8% was aged >=65 years. 574 (21.9%) did not have comorbidities, 790 (30.2%) had chronic respiratory disease, and 1253 (47.9%) had other comorbidities. Viruses were detected in 605 (23.1%) patients. Human rhinovirus (9.8%) was the most frequently identified virus, followed by influenza A (3.9%) and respiratory syncytial virus (3.9%). Respiratory syncytial virus was more frequently identified in patients with chronic respiratory disease (4.7%) than those with other comorbidities (4.2%) and without comorbidities (2.1%) (p = 0.037). The frequencies of other viruses were almost identical between the three groups. Virus detection overall was not associated with increased mortality (adjusted risk ratio (ARR) 0.76, 95% CI 0.53-1.09). However, influenza virus A and B were associated with three-fold higher mortality in patients with chronic respiratory disease but not with other comorbidities (ARR 3.38, 95% CI 1.54 7.42). Intriguingly, paramyxoviruses were associated with dramatically lower mortality in patients with other comorbidities (ARR 0.10, 95% CI 0.01-0.70) but not with chronic respiratory disease. These effects were not affected by age group. CONCLUSIONS: The impact of virus infections on pneumonia mortality varies by virus type and comorbidity status in adults. PMID- 29212451 TI - A small pancreatic hamartoma with an obstruction of the main pancreatic duct and avid FDG uptake mimicking a malignant pancreatic tumor: a systematic case review. AB - BACKGROUND: Pancreatic hamartomas are extremely rare and may be misdiagnosed as malignant tumors. We report herein a case of a small, solid-type pancreatic hamartoma. CASE PRESENTATION: A 72-year-old female was incidentally detected pancreatic lesion by ultrasonography. Computed tomography and magnetic resonance imaging revealed a 2.0-cm solid lesion. The main pancreatic duct (MPD) was obstructed by the lesion in the head of the pancreas, and the upstream MPD was dilated. 18F-fluorodeoxyglucose (FDG) accumulated avidly in the lesion and increased in FDG intensity from the early to the delayed images. The histopathological studies confirmed the diagnosis of pancreatic hamartoma. Immunohistochemically, the cell membrane of the accessory glands and ducts showed homogeneous expression of glucose transporter type I and hexokinase II. CONCLUSION: Pancreatic hamartomas causing dilatation of the MPD are extremely rare, and this appears to be the first case of a hamartoma to take up FDG avidly. It was a rare occurrence and should be noted that pancreatic hamartomas can cause an obstruction of the MPD and show avid FDG uptake, thereby mimicking malignant pancreatic tumors. PMID- 29212453 TI - Mortality in persons with undetected and diagnosed hypertension, type 2 diabetes, and hypothyroidism, compared with persons without corresponding disease - a prospective cohort study; The HUNT Study, Norway. AB - BACKGROUND: Suggested strategies in reducing the impact of non-communicable diseases (NCD) are early diagnosing and screening. We have limited proof of benefit of population screening for NCD. Increased mortality in persons with diagnosed NCD has been shown for decades. However, mortality in undetected NCD has barely been studied. This paper explores whether all-cause mortality differed between persons with diagnosed hypothyroidism, type 2 diabetes (T2DM), and hypertension, compared with persons with undetected-, and with persons without the corresponding disease. METHODS: A prospective cohort study of the general population in Nord-Trondelag, Norway. Persons >=20 years at baseline 1995-97 were followed until death or June 15, 2016. Cox proportional hazards models were used to compute age and multiple adjusted hazard ratios (HR) with 95% confidence intervals (CI) for the association between disease status and all-cause mortality. The number of participants in the hypothyroidism study was 31,960, in the T2DM study 37,957, and in the hypertension study 63,371. RESULTS: Mortality was increased in persons with diagnosed type 2 diabetes and hypertension, compared to persons without corresponding disease; HR 1.69 (95% CI 1.55-1.84) and HR 1.23 (95% CI 1.09-1.39), respectively. Among persons with undetected T2DM, the HR was 1.21 (95% CI 1.08-1.37), whilst among undetected hypothyroidism and hypertension, mortality was not increased compared with persons without the diseases. Further, the association with mortality was stronger in persons with long duration of T2DM (HR 1.96 (95% CI 1.57-2.44)) and hypertension (HR 1.32 (95% CI 1.17-1.49)), compared with persons with short duration (HR 1.29 (1.09-1.53) and HR 1.16 (1.03-1-30) respectively). CONCLUSIONS: Mortality was increased in persons with diagnosed T2DM and hypertension, and in undetected T2DM, compared with persons without the diseases. The strength of the association with mortality in undetected T2DM was however lower compared with persons with diagnosed T2DM, and mortality was not increased in persons with undetected hypothyroidism and hypertension, compared with persons without the diseases. Thus, future research needs to test more thoroughly if early diagnosing of these diseases, such as general population screening, is beneficial for health. PMID- 29212452 TI - The effectiveness of physiologically based early warning or track and trigger systems after triage in adult patients presenting to emergency departments: a systematic review. AB - BACKGROUND: Changes to physiological parameters precede deterioration of ill patients. Early warning and track and trigger systems (TTS) use routine physiological measurements with pre-specified thresholds to identify deteriorating patients and trigger appropriate and timely escalation of care. Patients presenting to the emergency department (ED) are undiagnosed, undifferentiated and of varying acuity, yet the effectiveness and cost effectiveness of using early warning systems and TTS in this setting is unclear. We aimed to systematically review the evidence on the use, development/validation, clinical effectiveness and cost-effectiveness of physiologically based early warning systems and TTS for the detection of deterioration in adult patients presenting to EDs. METHODS: We searched for any study design in scientific databases and grey literature resources up to March 2016. Two reviewers independently screened results and conducted quality assessment. One reviewer extracted data with independent verification of 50% by a second reviewer. Only information available in English was included. Due to the heterogeneity of reporting across studies, results were synthesised narratively and in evidence tables. RESULTS: We identified 6397 citations of which 47 studies and 1 clinical trial registration were included. Although early warning systems are increasingly used in EDs, compliance varies. One non-randomised controlled trial found that using an early warning system in the ED may lead to a change in patient management but may not reduce adverse events; however, this is uncertain, considering the very low quality of evidence. Twenty-eight different early warning systems were developed/validated in 36 studies. There is relatively good evidence on the predictive ability of certain early warning systems on mortality and ICU/hospital admission. No health economic data were identified. CONCLUSIONS: Early warning systems seem to predict adverse outcomes in adult patients of varying acuity presenting to the ED but there is a lack of high quality comparative studies to examine the effect of using early warning systems on patient outcomes. Such studies should include health economics assessments. PMID- 29212454 TI - Ice age unfrozen: severe effect of the last interglacial, not glacial, climate change on East Asian avifauna. AB - BACKGROUND: The glacial-interglacial cycles in the Pleistocene caused repeated range expansion and contraction of species in several regions in the world. However, it remains uncertain whether such climate oscillations had similar impact on East Asian biota, despite its widely recognized importance in global biodiversity. Here we use both molecular and ecological niche profiles on 11 East Asian avian species with various elevational ranges to reveal their response to the late Pleistocene climate changes. RESULTS: The ecological niche models (ENM) consistently showed that these avian species might substantially contract their ranges to the south during the Last Interglacial period (LIG) and expanded their northern range margins through the Last Glacial Maximum (LGM), leading to the LGM ranges observed for all 11 species. Consistently, coalescent simulations based on 25-30 nuclear genes retrieved signatures of significant population growth through the last glacial period across all species studied. Climate statistics suggested that high climatic variability during the LIG and a relatively mild climate at the LGM potentially explained the historical population dynamics of these birds. CONCLUSIONS: This is the first study based on multiple species and both lines of ecological niche profiles and genetic data to characterize the unique response of East Asian biota to late Pleistocene climate. The present study highlights regional differences in the evolutionary consequence of climate change during the last glacial cycle and implies that global warming might pose a great risk to species in this region given potentially higher climatic variation in the future analogous to that during the LIG. PMID- 29212455 TI - Comparative gene co-expression network analysis of epithelial to mesenchymal transition reveals lung cancer progression stages. AB - BACKGROUND: The epithelial to mesenchymal transition (EMT) plays a key role in lung cancer progression and drug resistance. The dynamics and stability of gene expression patterns as cancer cells transition from E to M at a systems level and relevance to patient outcomes are unknown. METHODS: Using comparative network and clustering analysis, we systematically analyzed time-series gene expression data from lung cancer cell lines H358 and A549 that were induced to undergo EMT. We also predicted the putative regulatory networks controlling EMT expression dynamics, especially for the EMT-dynamic genes and related these patterns to patient outcomes using data from TCGA. Example EMT hub regulatory genes were validated using RNAi. RESULTS: We identified several novel genes distinct from the static states of E or M that exhibited temporal expression patterns or 'periods' during the EMT process that were shared in different lung cancer cell lines. For example, cell cycle and metabolic genes were found to be similarly down-regulated where immune-associated genes were up-regulated after middle EMT stages. The presence of EMT-dynamic gene expression patterns supports the presence of differential activation and repression timings at the transcriptional level for various pathways and functions during EMT that are not detected in pure E or M cells. Importantly, the cell line identified EMT-dynamic genes were found to be present in lung cancer patient tissues and associated with patient outcomes. CONCLUSIONS: Our study suggests that in vitro identified EMT-dynamic genes capture elements of gene EMT expression dynamics at the patient level. Measurement of EMT dynamic genes, as opposed to E or M only, is potentially useful in future efforts aimed at classifying patient's responses to treatments based on the EMT dynamics in the tissue. PMID- 29212457 TI - The decision delivery interval in emergency caesarean section and its associated maternal and fetal outcomes at a referral hospital in northern Tanzania: a cross sectional study. AB - BACKGROUND: Decision delivery interval (DDI) is the time line between a decision to conduct an emergency caesarean section and actual delivery of the baby. Prolong DDI constitute a third phase delay in provision of emergency obstetric care. Intervention designed to minimize DDI are vital, in attempt to prevent maternal morbidity and neonatal morbidity and mortality. The feasibility and practicability of the recommended DDI in recent studies have been questioned especially in limited resource setting and therefore the objective of our study was to determine the DDI and its associated fetalmaternal outcomes at a tertiary referral hospital in Tanzania. METHODS: This was a retrospectivecross-sectional study of inpatient cases who underwent emergency caesarean section from January to September 2014. Data were collected from birth registry and case files of patients. Data analysis was performed using statistical package for social science (SPSS) version 22.0. Odds ratio (ORs) and 95% confidence interval for maternal and fetal outcomes associated with DDI were estimated using Logistic regression models. A p-value of less than 5% was considered statistically significant. RESULTS: A total of 598 women who underwent emergency caesarean section were recruited. The median Decision Delivery Interval was 60 min [IQR 40 120]. Only 12% were operated within 30 min from decision time. Shortest DDI was seen in patients with Cephalopelvic Disproportion (CPD) and uterine rupture (40 min and 45.5 min) as compared to other conditions. Cases with impending uterine rupture, cord prolapse, APH and fetal distress showed to have shorter DDI. There was no significant association between DDI and neonatal transfer,1st and 5thminute Apgar score, maternal blood loss (OR: 5.79; 95% CI 0.63-1.64) and hospital stay (OR: 1.02; 95% 0.63-1.64). CONCLUSIONS: Contrary to the recommended DDI by ACOG & AAP of 30 min is not feasible in our setting, time frame of 75 min could be acceptable but clinical judgment is required to assess on the urgency of caesarean section in order to prevent maternal and neonatal morbidity and mortality. PMID- 29212456 TI - Helicobacter-induced gastric inflammation alters the properties of gastric tissue stem/progenitor cells. AB - BACKGROUND: Although Helicobacter-induced gastric inflammation is the major predisposing factor for gastric carcinogenesis, the precise mechanism by which chronic gastritis causes gastric cancer remains unclear. Intestinal and spasmolytic polypeptide-expressing metaplasia (SPEM) is considered as precancerous lesions, changes in epithelial tissue stem/progenitor cells after chronic inflammation has not been clarified yet. In this study, we utilized three dimensional gastric epithelial cell culture systems that could form organoids, mimicking gastric epithelial layer, and characterized the changes in epithelial cells after chronic Helicobacter felis infection. METHODS: We used three mice model; 1) long-term H. felis infection, 2) H. felis eradication, and 3) MNU chemical carcinogenesis model. We performed cRNA microarray analysis after organoid culture, and analyzed the effects of chronic gastric inflammation on tissue stem cells, by the size of organoid, mRNA expression profile and immunohistochemical analysis. RESULTS: The number of organoids cultured from gastric epithelial cells was significantly higher in organoids isolated from H. felis-infected mice compared with those from uninfected gastric mucosa. Based on the mRNA expression profile, we found that possible stem cell markers such as Cd44, Dclk1, and genes associated with the intestinal phenotype, such as Villin, were increased in organoids isolated from H. felis-infected mucosa compared with the control. The upregulation of these genes were cancelled after H. felis eradication. In a xenograft model, tumors were generated only from organoids cultured from carcinogen-treated gastric mucosa, not from H. felis infected mucosa or control organoids. CONCLUSIONS: Our results suggested that, as a possible mechanism of gastric carcinogenesis, chronic inflammation induced by H. felis infection increased the number of tissue stem/progenitor cells and the expression of stem cell markers. These findings suggest that chronic inflammation may alter the direction of differentiation toward undifferentiated state and that drawbacks may enable cells to redifferentiate to intestinal metaplasia or neoplasia. PMID- 29212458 TI - Associations of sedentary behavior and physical activity with older adults' physical function: an isotemporal substitution approach. AB - BACKGROUNDS: The purpose of this study was to examine, in a sample of Japanese older adults, the associations of objectively-assessed sedentary behavior (SB) and physical activity (PA) with performance-based physical function. The isotemporal substitution (IS) approach was used to model simultaneously the effects of the specific activity being performed and the activity being displaced, in an equal time-exchange manner. METHODS: Among 287 older adults (65 84 years), we used accelerometers to identify the daily average time spent on SB (<=1.5 METs); light-intensity PA (LIPA) (>1.5 to <3.0 METs); and moderate- to vigorous-intensity PA (MVPA) (>=3.0 METs). Physical function was assessed using five performance-based measures: hand grip strength, usual and maximum gait speeds, timed up and go, and one-legged stance with eyes open. We employed three linear regression models - a single-activity model, a partition model, and an IS model - to assess the associations of SB, LIPA, and MVPA with each of the five measures of physical function. RESULTS: There were significant positive associations in the single-activity and partition models between MVPA and the measures of physical function (with the exception of hand grip strength). The IS models found that replacing SB or LIPA with MVPA was significantly and favorably associated with physical function measures. CONCLUSIONS: These findings indicate that replacing small amounts of SB and LIPA with MVPA (such as 10 min) may contribute to improvements in older adults' physical function. PMID- 29212460 TI - "The co-authors of pregnancy": leveraging men's sense of responsibility and other factors for male involvement in antenatal services in Kinshasa, DRC. AB - BACKGROUND: Despite efforts to improve male involvement (MI), few male partners typically attend antenatal care (ANC). MI in ANC and interventions to prevent mother-to-child HIV transmission have been demonstrated to be beneficial for the HIV-positive mother and her child. This study aimed to explore factors influencing partner attendance and highlight interventions with potential to improve MI within a Congolese context. METHODS: This was an exploratory, qualitative study conducted in two urban and two semi-urban catchment areas of Kinshasa, DRC in June-September 2016. Two women-only and two men-only focus group discussions (FGDs) were held; participants were recruited from ANC clinics and surrounding communities. Key informants purposively selected from health facility leadership and central government were also interviewed. Guide topics included MI barriers and facilitators, experiences with couples' ANC attendance and perceptions of MI interventions and how to improve them. Data from FGDs and interviews were analyzed to determine three interventions that best addressed the identified MI facilitators and barriers. These interventions were explored further through dialogues held with representatives from community organizations. RESULTS: This study included 17 female and 18 male FGD participants, 3 key informants and 21 community dialogue participants. Receipt of clinic staff advice was the most commonly-reported factor facilitating male attendance. No time off work was the most commonly-reported barrier. Only men identified responsibility, referring to themselves as "authors of the pregnancy," and wanting to be tested for HIV as facilitators. The most promising interventions perceived by FGD and interview participants were male partner invitation letters, couple- and male friendly improvements to ANC, and expert peer-to-peer outreach. Community dialogue participants provided further detail on these approaches, such as invitation letter content and counseling messages targeting men attending ANC. CONCLUSIONS: Common themes regarding male involvement in ANC that emerged from this study included men's need to understand how the pregnancy is progressing and how best to care for their female partners and unborn children, and ANC settings that were misaligned to the needs of men and couples. Interventions at the individual, facility and community levels were discussed that could result in improvements to male attendance at pregnancy-related services. PMID- 29212459 TI - Acquisition and persistence of strain-specific methicillin-resistant Staphylococcus aureus and their determinants in community nursing homes. AB - BACKGROUND: Nursing home residents are frequently colonized with various strains of methicillin-resistant Staphylococcus aureus (MRSA) but the intra-facility dynamics of strain-specific MRSA remains poorly understood. We aimed at identifying and quantifying the associations between acquisition and carriage of MRSA strains and their potential risk factors in community nursing homes using mathematical modeling. METHODS: The data was collected during a longitudinal MRSA surveillance study in six nursing homes in South Central Wisconsin. MRSA cultures were obtained from subjects every 3 months for up to one year. MRSA isolates were subsequently strain-typed by pulsed-field gel electrophoresis (PFGE), and their genetic similarity was established based on the Dice coefficients. Bayesian network analysis, logistic regression and elastic net were used to quantify the associations between acquisition and carriage of MRSA strains discriminated at 80% and 95% strain similarity thresholds and potentially modifiable resident characteristics including previous antibiotic exposure, comorbidity, medical devices, chronic wounds, functional and cognitive status and recent hospitalizations. RESULTS: Absence of severe cognitive impairment as well as presence of a wound, device and severe comorbidity was associated with elevated probability of USA100 carriage although there was a variation based on the combination of those risk factors. Residents with severe comorbidity and cognitive status and presence of device and wound were identified as certain carriers of USA100 in our sample. Residents with a chronic wound were more likely to carry USA100 MRSA (OR = 2.77, 95% CI = 1.37-5.87). Functional status was identified as an important determinant of carriage of USA100 and USA300 strains. Comorbidity and cognitive status were the two factors associated with carriage of all clonal groups in the study (USA100, USA300 and USA1200). CONCLUSIONS: The combination of Bayesian network analysis, logistic regression and elastic net can be used to identify associations between acquisition and carriage of MRSA strains and their potential risk factors in the face of scarce data. The revealed associations may be used to generate hypothesis for further study of determinants of acquisition and carriage of selected MRSA subtypes and to better inform infection control efforts in community nursing homes. PMID- 29212461 TI - Widespread enlarged perivascular spaces associated with dementia and focal brain dysfunction: case report. AB - BACKGROUND: Enlarged perivascular spaces (PVS) are common magnetic resonance imaging (MRI) findings, whereas widespread enlarged PVS are extremely rare. Although most patients with widespread enlarged PVS remain asymptomatic, some develop neurological dysfunctions; however, it remains unclear whether these are the consequence of widespread enlarged PVS. CASE PRESENTATION: A 64-year-old female patient developed consciousness disturbance, cognitive dysfunctions, fluent aphasia, agraphia, acalculia, and left-right disorientation after suffering from bronchopneumonia. Brain MRI revealed unusually widespread enlarged PVS predominantly in the left cerebral hemisphere. Following bronchopneumonia treatment, her cognitive dysfunction, fluent aphasia, agraphia, acalculia, and left-right disorientation persisted despite improvement of her general condition. Furthermore, the hypoperfusion area on single photon emission computed tomography and slow wave sites on electroencephalography were consistent with the location of enlarged PVS, indicating that severe enlarged PVS impaired focal brain functions. CONCLUSIONS: This case suggested that widespread enlarged PVS could be a potential cause of neurological deficits. We propose that impaired perivascular circulation due to enlarged PVS might lead to focal brain dysfunction. PMID- 29212462 TI - Pharmacological targeting of secondary brain damage following ischemic or hemorrhagic stroke, traumatic brain injury, and bacterial meningitis - a systematic review and meta-analysis. AB - BACKGROUND: The effectiveness of pharmacological strategies exclusively targeting secondary brain damage (SBD) following ischemic stroke, aneurysmal subarachnoid hemorrhage, aSAH, intracerebral hemorrhage (ICH), traumatic brain injury (TBI) and bacterial meningitis is unclear. This meta-analysis studied the effect of SBD targeted treatment on clinical outcome across the pathological entities. METHODS: Randomized, controlled, double-blinded trials on aforementioned entities with 'death' as endpoint were identified. Effect sizes were analyzed and expressed as pooled risk ratio (RR) estimates with 95% confidence intervals (CI). 123 studies fulfilled the criteria, with data on 66,561 patients. RESULTS: In the pooled analysis, there was a minor reduction of mortality for aSAH [RR 0.93 (95% CI:0.85 1.02)], ICH [RR 0.92 (95% CI:0.82-1.03)] and bacterial meningitis [RR 0.86 (95% CI:0.68-1.09)]. No reduction of mortality was found for ischemic stroke [RR 1.05 (95% CI:1.00-1.11)] and TBI [RR 1.03 (95% CI:0.93-1.15)]. Additional analysis of "poor outcome" as endpoint gave similar results. Subgroup analysis with respect to effector mechanisms showed a tendency towards a reduced mortality for the effector mechanism category "oxidative metabolism/stress" for aSAH with a risk ratio of 0.86 [95% CI: 0.73-1.00]. Regarding specific medications, a statistically significant reduction of mortality and poor outcome was confirmed only for nimodipine for aSAH and dexamethasone for bacterial meningitis. CONCLUSIONS: Our results show that only a few selected SBD directed medications are likely to reduce the rate of death and poor outcome following aSAH, and bacterial meningitis, while no convincing evidence could be found for the usefulness of SBD directed medications in ischemic stroke, ICH and TBI. However, a subtle effect on good or excellent outcome might remain undetected. These results should lead to a new perspective of secondary reactions following cerebral injury. These processes should not be seen as suicide mechanisms that need to be fought. They should be rather seen as well orchestrated clean-up mechanisms, which may today be somewhat too active in a few very specific constellations, such as meningitis under antibiotic treatment and aSAH after surgical or endovascular exclusion of the aneurysm. PMID- 29212463 TI - Could a remarkable decrease in leptin and insulin levels from colostrum to mature milk contribute to early growth catch-up of SGA infants? AB - BACKGROUND: Breast milk is known to contain many bioactive hormones and peptides, which can influence infant growth and development. In this context, the purpose of this study was to evaluate the influence of different clinical pregnancy conditions on hormone concentrations in colostrum and mature breast milk. METHODS: An observational study was performed with mother-newborn pairs divided into five groups according to maternal clinical background: diabetes (12), hypertension (5), smoking (19), intrauterine growth restriction of unknown causes with small-for-gestational-age newborns at delivery (12), and controls (21). Socioeconomic data, anthropometric measurements and breast milk samples were collected between the first 24 and 48 h and 30 days postpartum. Leptin, adiponectin, and insulin levels in breast milk were measured by immunoassays. RESULTS: A significant decrease in leptin (p = 0.050) and insulin (p = 0.012) levels from colostrum to mature breast milk in mothers of small-for-gestational age infants was observed. Maternal body mass index was correlated with both leptin and insulin, but not with adiponectin. Insulin levels were negatively correlated to infant weight gain from birth to one month (p = 0.050). In addition, catch-up growth was verified for small-for-gestational-age infants throughout the first month of life. CONCLUSIONS: This study suggests that a remarkable decrease in leptin and insulin levels in mature milk of mothers of small-for-gestational-age newborns may be involved in the rapid weight gain of these newborns. The physiological and external mechanisms by which these significant decreases and rapid weight gains occur in this group remain to be elucidated. PMID- 29212464 TI - Sexual dysfunction and mode of delivery in Chinese primiparous women: a systematic review and meta-analysis. AB - BACKGROUND: Up to now, there is controversy over the effect of delivery mode cesarean delivery and spontaneous vaginal delivery on sexual function. Therefore, we did a systematic review and meta-analysis in postpartum women to explore the mode of delivery, cesarean delivery, and spontaneous vaginal delivery and differences in postpartum sexual function (short- and long-term) in Chinese primiparous women. METHODS: Comprehensive electronic searches of PubMed, EMBASE, Web of Science, Elsevier Science Direct, Cochrane Library, the Chinese Biological Medical Literature database and the Chinese National Knowledge Infrastructure database were conducted to identify any study in each database published to August 31, 2017. The primary outcome was the sexual satisfaction and the secondary outcomes were resumed intercourse and sexual pain in the postpartum. RESULTS: We identified 10 studies with a total population of 2851 in the present meta-analysis. Five and six eligible articles were respectively included for sexual satisfaction in postpartum at 3- and 6 months. Compared with vaginal delivery group, two time points were all not found statistically significance (OR 1.53, 95%CI 0.93-2.49; OR 1.15, 95%CI 0.95-1.39, respectively) in cesarean and spontaneous vaginal delivery group; in resumed intercourse and sexual pain domains, they were all significantly, with an overall OR of 2.05 (95%CI 1.36 3.11) at 3 months, 1.50 (95%CI 1.04-2.16) at 6 months and 0.29 (95%CI 0.24, 0.36) at 3 months, 0.73 (95%CI 0.58, 0.93) at 6 months, respectively. With the passage of time, the gap was closing. Sensitivity analysis was indicated a good stability of the meta-analysis in each domain. CONCLUSIONS: In conclusion, this meta analysis indicated that the mode of delivery, cesarean and spontaneous vaginal delivery did not affect postpartum sexual satisfaction (short- and long-term) and appeared to have minimal effect on the long-term resumed intercourse and sexual pain in Chinese primiparous women. Primiparous women should be more cautious to choose cesarean section in order to preserve sexual function. PMID- 29212465 TI - Association of 24 h-systolic blood pressure variability and cardiovascular disease in patients with obstructive sleep apnea. AB - BACKGROUND: To evaluate association of 24 h-systolic blood pressure (SBP) variability and obstructive sleep apnea (OSA) as defined by the apnea-hypopnea index >=5/h; and association of 24 h-SBP variability and prevalent cardiovascular disease (CVD) in OSA patients. METHODS: Participants underwent polysomongraphy to evaluate the presence of OSA, and 24 h-ambulatory blood pressure monitoring was applied to evaluate 24 h-SBP variability as indexed by weighted 24 h-standard deviation (SD) of SBP. Between-group differences were evaluated in participants with and without OSA. Participants with OSA were divided into high and low 24 h SBP variability groups and between-group differences were evaluated. RESULTS: Mean age of 384 participants was 50 years old and 42.2% had OSA. Mean 24 h systolic/diastolic BP were 130/78 mmHg, with mean weighted 24 h-SD of systolic/diastolic BP were 12.9/7.3 mmHg. Compared to those without OSA, OSA participants had higher clinic-, 24 h-, daytime- and nighttime-SBP, and weighted 24 h, daytime- and nighttime-SD of SBP. Age, prevalent CVD and OSA, usage of angiotensin converting enzyme inhibitor/angiotensin receptor blocker, calcium channel blocker and diuretic were significantly associated with 24 h-SBP variability. In OSA patients, compared to those with low variability, participants with high variability had higher weighted 24 h, daytime- and nighttime-SD of SBP. After adjusted for covariates including clinic-SBP and 24 h SBP, per 1-SD increment weighted 24 h-SD of SBP was associated with 21% increased prevalent CVD. CONCLUSIONS: Patients with newly-diagnosed OSA have higher 24 h SBP variability compared to those without OSA; in OSA patients, increased 24 h SBP variability is associated with increased prevalence of CVD. PMID- 29212466 TI - Exploring the use of tablet computer-based electronic data capture system to assess patient reported measures among patients with chronic kidney disease: a pilot study. AB - BACKGROUND: Collecting patient reported outcome measures (PROMs) via computer based electronic data capture system may improve feasibility and facilitate implementation in clinical care. We report our initial experience about the acceptability of touch-screen tablet computer-based, self-administered questionnaires among patients with chronic kidney disease (CKD), including stage 5 CKD treated with renal replacement therapies (RRT) (either dialysis or transplant). METHODS: We enrolled a convenience sample of patients with stage 4 and 5 CKD (including patients on dialysis or after kidney transplant) in a single centre, cross-sectional pilot study. Participants completed validated questionnaires programmed on an electronic data capture system (DADOS, Techna Inc., Toronto) on tablet computers. The primary objective was to evaluate the acceptability and feasibility of using tablet-based electronic data capture in patients with CKD. Descriptive statistics, Fischer's exact test and multivariable logistic regression models were used for data analysis. RESULTS: One hundred and twenty one patients (55% male, mean age (+/- SD) of 58 (+/-14) years, 49% Caucasian) participated in the study. Ninety-two percent of the respondents indicated that the computer tablet was acceptable and 79% of the participants required no or minimal help for completing the questionnaires. Acceptance of tablets was lower among patients 70 years or older (75% vs. 95%; p = 0.011) and with little previous computer experience (81% vs. 96%; p = 0.05). Furthermore, a greater level of assistance was more frequently required by patients who were older (45% vs. 15%; p = 0.009), had lower level of education (33% vs. 14%; p = 0.027), low health literacy (79% vs. 12%; p = 0.027), and little previous experience with computers (52% vs. 10%; p = 0.027). CONCLUSIONS: Tablet computer based electronic data capture to administer PROMs was acceptable and feasible for most respondents and could therefore be used to systematically assess PROMs among patients with CKD. Special consideration should focus on elderly patients with little previous computer experience, since they may require more assistance with completion. PMID- 29212467 TI - Excess pneumonia and influenza mortality attributable to seasonal influenza in subtropical Shanghai, China. AB - BACKGROUND: Disease burden attributable to influenza is substantial in subtropical regions. Our study aims to estimate excess pneumonia and influenza (P&I) mortality associated with influenza by subtypes/lineages in Shanghai, China, 2010-2015. METHODS: Quasi-Poisson regression models were fitted to weekly numbers of deaths from causes coded as P&I for Shanghai general and registered population. Three proxies for influenza activity were respectively used as an explanatory variable. Long-term trend, seasonal trend and absolute humidity were adjusted for as confounding factors. The outcome measurements of excess P&I mortality associated with influenza subtypes/lineages were derived by subtracting the baseline mortality from fitted mortality. RESULTS: Excess P&I mortality associated with influenza were 0.22, 0.30, and 0.23 per 100,000 population for three different proxies in Shanghai general population, lower than those in registered population (0.34, 0.48, and 0.36 per 100,000 population). Influenza B (Victoria) lineage did not contribute to excess P&I mortality (P = 0.206) while influenza B (Yamagata) lineage did (P = 0.044). Influenza-associated P&I mortality was high in the elderly population. CONCLUSIONS: Seasonal influenza A virus had a higher P&I mortality than influenza B virus, while B (Yamagata) lineage is the dominant lineage attributable to P&I mortality. PMID- 29212468 TI - A comparison of graph- and kernel-based -omics data integration algorithms for classifying complex traits. AB - BACKGROUND: High-throughput sequencing data are widely collected and analyzed in the study of complex diseases in quest of improving human health. Well-studied algorithms mostly deal with single data source, and cannot fully utilize the potential of these multi-omics data sources. In order to provide a holistic understanding of human health and diseases, it is necessary to integrate multiple data sources. Several algorithms have been proposed so far, however, a comprehensive comparison of data integration algorithms for classification of binary traits is currently lacking. RESULTS: In this paper, we focus on two common classes of integration algorithms, graph-based that depict relationships with subjects denoted by nodes and relationships denoted by edges, and kernel based that can generate a classifier in feature space. Our paper provides a comprehensive comparison of their performance in terms of various measurements of classification accuracy and computation time. Seven different integration algorithms, including graph-based semi-supervised learning, graph sharpening integration, composite association network, Bayesian network, semi-definite programming-support vector machine (SDP-SVM), relevance vector machine (RVM) and Ada-boost relevance vector machine are compared and evaluated with hypertension and two cancer data sets in our study. In general, kernel-based algorithms create more complex models and require longer computation time, but they tend to perform better than graph-based algorithms. The performance of graph-based algorithms has the advantage of being faster computationally. CONCLUSIONS: The empirical results demonstrate that composite association network, relevance vector machine, and Ada boost RVM are the better performers. We provide recommendations on how to choose an appropriate algorithm for integrating data from multiple sources. PMID- 29212469 TI - Orthogonal P-wave morphology is affected by intra-atrial pressures. AB - BACKGROUND: It has previously been shown that the morphology of the P-wave neither depends on atrial size in healthy subjects with physiologically enlarged atria nor on the physiological anatomical variation in transverse orientation of the left atrium. The present study aimed to investigate if different pressures in the left and right atrium are associated with different P-wave morphologies. METHODS: 38 patients with isolated, increased left atrial pressure, 51 patients with isolated, increased right atrial pressure and 76 patients with biatrially increased pressure were studied. All had undergone right heart catheterization and had 12-lead electrocardiographic recordings, which were transformed into vectorcardiograms for detailed P-wave morphology analysis. RESULTS: Normal P-wave morphology (type 1) was more common in patients with isolated increased pressure in the right atrium while abnormal P-wave morphology (type 2) was more common in the groups with increased left atrial pressure (P = 0.032). Moreover, patients with increased left atrial pressure, either isolated or in conjunction with increased right atrial pressure, had significantly more often a P-wave morphology with a positive deflection in the sagittal plane (P = 0.004). CONCLUSION: Isolated elevated right atrial pressure was associated with normal P-wave morphology while left-sided atrial pressure elevation, either isolated or in combination with right atrial pressure elevation, was associated with abnormal P wave morphology. PMID- 29212470 TI - Silencing of DND1 in potato and tomato impedes conidial germination, attachment and hyphal growth of Botrytis cinerea. AB - BACKGROUND: Botrytis cinerea, a necrotrophic pathogenic fungus, attacks many crops including potato and tomato. Major genes for complete resistance to B. cinerea are not known in plants, but a few quantitative trait loci have been described in tomato. Loss of function of particular susceptibility (S) genes appears to provide a new source of resistance to B. cinerea in Arabidopsis. RESULTS: In this study, orthologs of Arabidopsis S genes (DND1, DMR6, DMR1 and PMR4) were silenced by RNAi in potato and tomato (only for DND1). DND1 well silenced potato and tomato plants showed significantly reduced diameters of B. cinerea lesions as compared to control plants, at all-time points analysed. Reduced lesion diameter was also observed on leaves of DMR6 silenced potato plants but only at 3 days post inoculation (dpi). The DMR1 and PMR4 silenced potato transformants were as susceptible as the control cv Desiree. Microscopic analysis was performed to observe B. cinerea infection progress in DND1 well silenced potato and tomato leaves. A significantly lower number of B. cinerea conidia remained attached to the leaf surface of DND1 well-silenced potato and tomato plants and the hyphal growth of germlings was hampered. CONCLUSIONS: This is the first report of a cytological investigation of Botrytis development on DND1-silenced crop plants. Silencing of DND1 led to reduced susceptibility to Botrytis, which was associated with impediment of conidial germination and attachment as well as hyphal growth. Our results provide new insights regarding the use of S genes in resistance breeding. PMID- 29212471 TI - Investigation on the differentiation of two Ustilago esculenta strains - implications of a relationship with the host phenotypes appearing in the fields. AB - BACKGROUND: Ustilago esculenta, a pathogenic basidiomycete fungus, infects Zizania latifolia to form edible galls named Jiaobai in China. The distinct growth conditions of U. esculenta induced Z. latifolia to form three different phenotypes, named male Jiaobai, grey Jiaobai and white Jiaobai. The aim of this study is to characterize the genetic and morphological differences that distinguish the two U. esculenta strains. RESULTS: In this study, sexually compatible haploid sporidia UeT14/UeT55 from grey Jiaobai (T strains) and UeMT10/UeMT46 from white Jiaobai (MT strains) were isolated. Meanwhile, we successfully established mating and inoculation assays. Great differences were observed between the T and MT strains. First, the MT strains had a defect in development, including lower teliospore formation frequency and germination rate, a slower growth rate and a lower growth mass. Second, they differed in the assimilation of nitrogen sources in that the T strains preferred urea and the MT strains preferred arginine. In addition, the MT strains were more sensitive to external signals, including pH and oxidative stress. Third, the MT strains showed an infection defect, resulting in an endophytic life in the host. This was in accordance with multiple mutated pathogenic genes discovered in the MT strains by the non-synonymous mutation analysis of the genome re-sequencing data between the MT and T strains (GenBank accession numbers of the genome re-sequencing data: JTLW00000000 for MT strains and SRR5889164 for T strains). CONCLUSION: The MT strains appeared to have defects in growth and infection and were more sensitive to external signals compared to the T strains. They displayed an absolutely stable endophytic life in the host without an infection cycle. Accordingly, they had multiple gene mutations occurring, especially in pathogenicity. In contrast, the T strains, as phytopathogens, had a complete survival life cycle, in which the formation of teliospores is important for adaption and infection, leading to the appearance of the grey phenotype. Further studies elucidating the molecular differences between the U. esculenta strains causing differential host phenotypes will help to improve the production and formation of edible white galls. PMID- 29212472 TI - Autism risk classification using placental chorionic surface vascular network features. AB - BACKGROUND: Autism Spectrum Disorder (ASD) is one of the fastest-growing developmental disorders in the United States. It was hypothesized that variations in the placental chorionic surface vascular network (PCSVN) structure may reflect both the overall effects of genetic and environmentally regulated variations in branching morphogenesis within the conceptus and the fetus' vital organs. This paper provides sound evidences to support the study of ASD risks with PCSVN through a combination of feature-selection and classification algorithms. METHODS: Twenty eight arterial and 8 shape-based PCSVN attributes from a high risk ASD cohort of 89 placentas and a population-based cohort of 201 placentas were examined for ranked relevance using a modified version of the random forest algorithm, called the Boruta method. Principal component analysis (PCA) was applied to isolate principal effects of arterial growth on the fetal surface of the placenta. Linear discriminant analysis (LDA) with a 10-fold cross validation was performed to establish error statistics. RESULTS: The Boruta method selected 15 arterial attributes as relevant, implying the difference in high and low ASD risk can be explained by the arterial features alone. The five principal features obtained through PCA, which accounted for about 88% of the data variability, indicated that PCSVNs associated with placentas of high-risk ASD pregnancies generally had fewer branch points, thicker and less tortuous arteries, better extension to the surface boundary, and smaller branch angles than their population-based counterparts. CONCLUSION: We developed a set of methods to explain major PCSVN differences between placentas associated with high risk ASD pregnancies and those selected from the general population. The research paradigm presented can be generalized to study connections between PCSVN features and other maternal and fetal outcomes such as gestational diabetes and hypertension. PMID- 29212473 TI - Case report: bilateral Mooren ulcer in association with hepatitis C. AB - BACKGROUND: Mooren ulcer has been considered as an idiopathic autoimmune keratitis. However, it has been in some cases suggested to be associated with hepatitis C, although the evidence is very vague. CASE PRESENTATION: We present a case of a man who was diagnosed with a primary Mooren ulcer in his right eye. The eye became blind despite of intensive treatment with local medications and extensive surgical procedures. After 10 years, the patient was diagnosed with the same disease, now in his left, previously healthy eye. There was no history that would suggest a secondary Mooren ulcer, but a chronic hepatitis C infection was detected. Treatment was targeted against hepatitis C (ribavirin and interferon) in addition to immunosuppressive medical and surgical treatment which resulted in a full and more than 6 years lasting remission of the disease. CONCLUSIONS: Whether the immunomodulatory and immunosuppressive medication against hepatitis C was the key reason for the good results in the treatment of the second eye, remains elusive. The causality of hepatitis C with respect to the pathogenesis of Mooren ulcer on this patient remains open, but should be considered as one of the possible etiological factors of the disease. PMID- 29212474 TI - Coptis Chinensis affects the function of glioma cells through the down-regulation of phosphorylation of STAT3 by reducing HDAC3. AB - BACKGROUND: Glioma remains the most common cause of brain cancer-related mortality. Glioma accounts for 50-60% of brain cancer. Due to their low toxicity and infrequent side effects, traditional herbs have been increasingly popular. Coptis Chinensis is commonly used in cancer treatment in combination with other Chinese Medicine herbs. However, little is known about its biological functions and mechanisms in glioma cells. METHODS: In this study, the anti-glioma cell effect of Coptis Chinensis was determined using the 3-(4,5-dimethyl-2-thiazolyl) 2,5-diphenyl-2-H-tetrazolium bromide (MTT) method, plate clone test, scratch tests, flow cytometry, western blotting and a glioma xenograft tumor model. RESULTS: The results showed that Coptis Chinensis significantly suppressed glioma cell proliferation, tumor formation, migration and tumor growth, and prolonged the survival time of glioma cell-bearing mice. The flow cytometry result showed that Coptis Chinensis induced cell cycle arrest and apoptosis in glioma cells. Western blotting showed that Coptis Chinensis down-regulated the Signal transducer and activator of transcription 3 (STAT3) phosphorylation levels and reduced the expression of Histone deacetylase 3 (HDAC3) and caspase 3. CONCLUSIONS: Coptis Chinensis can inhibit various aspects of glioma cell functions. This study provides favorable scientific evidence for the potential use of natural products such as Coptis Chinensis in the clinical treatment of patients with glioma. PMID- 29212475 TI - Implementation of shared decision-making in oncology: development and pilot study of a nurse-led decision-coaching programme for women with ductal carcinoma in situ. AB - BACKGROUND: To implement informed shared decision-making (ISDM) in breast care centres, we developed and piloted an inter-professional complex intervention. METHODS: We developed an intervention consisting of three components: an evidence based patient decision aid (DA) for women with ductal carcinoma in situ, a decision-coaching led by specialised nurses (breast care nurses and oncology nurses) and structured physician encounters. In order to enable professionals to gain ISDM competencies, we developed and tested a curriculum-based training programme for specialised nurses and a workshop for physicians. After successful testing of the components, we conducted a pilot study to test the feasibility of the entire revised intervention in two breast care centres. Here the acceptance of the intervention by women and professionals, the applicability to the breast care centres' procedures, women's knowledge, patient involvement in treatment decision-making assessed with the MAPPIN'SDM-observer instrument MAPPIN'Odyad, and barriers to and facilitators of the implementation were taken into consideration. We used questionnaires, structured verbal and written feedback and video recordings. Qualitative data were analysed descriptively, and mean values and ranges of quantitative data were calculated. RESULTS: To test the DA, focus groups and individual interviews were conducted with 27 women. Six expert reviews were obtained. The components of the nurse training were tested with 18 specialised nurses and 19 health science students. The development and piloting of the components were successful. The pilot test of the entire intervention included seven patients. In general, the intervention is applicable. Patients attained adequate knowledge (range of correct answers: 9-11 of 11). On average, a basic level of patient involvement in treatment decision-making was observed for nurses and patient-nurse dyads (M(MAPPIN-Odyad): 2.15 and M(MAPPIN-Onurse): 1.90). Relevant barriers were identified; physicians barely tolerated women's preferences that were not in line with the medical recommendation. Classifying women as inappropriate for ISDM due to age or education led physicians to neglect eligible women during the recruitment phase. CONCLUSION: Decision-coaching is feasible. Nevertheless, there are some indications that structural changes are needed for long-term implementation. We are currently evaluating the intervention in a cluster randomised controlled trial in 16 breast care centres. PMID- 29212476 TI - The role of endoscopic ultrasound in children with Pancreatobiliary and gastrointestinal disorders: a single center series and review of the literature. AB - BACKGROUND: The role of endoscopic ultrasound (EUS) in the management of pancreatobiliary and digestive diseases is well established in adults, but it remains limited in children. The aim of this study was to evaluate the feasibility, safety, and clinical impact of EUS use in children. METHODS: This is a retrospective analysis of a prospectively acquired database of consecutive pediatric (< 18 years) patients presenting an indication for EUS for pancreatobiliary and gastrointestinal disorders. RESULTS: Between January 2010 and January 2016, 47 procedures were performed in 40 children (mean age of 15.1 +/- 4.7 years; range 3-18). The majority of EUS (n = 32; 68.1%) were performed for pancreatobiliary and upper gastrointestinal pathologies, including suspected common bile duct stones (CBDs), acute biliary pancreatitis, recurrent/chronic pancreatitis, cystic pancreatic mass, recurrent hypoglycemia, duodenal polyp, gastric submucosal lesion, and perigastric abscess. In only 2 out of 18 children with suspected CBDs or acute biliary pancreatitis, EUS confirmed CBDs. EUS-guided fine needle aspiration was performed in 3 (6.4%) patients. Fifteen (31.9%) procedures were performed for lower gastrointestinal tract disorders, including suspected anal Crohn's disease, fecal incontinence, and encopresis. Overall, EUS had a significant impact on the subsequent clinical management in 87.2% of patients. CONCLUSION: The present findings were consistent with results observed in the current relevant literature and support EUS as a safe and feasible diagnostic and therapeutic tool, which yields a significant clinical impact in children with pancreatobiliary and gastrointestinal disorders. PMID- 29212477 TI - Nurse health and lifestyle modification versus standard care in 40 to 70 year old regional adults: study protocol of the Management to Optimise Diabetes and mEtabolic syndrome Risk reduction via Nurse-led intervention (MODERN) randomized controlled trial. AB - BACKGROUND: Metabolic syndrome (MetS), the clustering of multiple leading risk factors, predisposes individuals to increased risk for developing type 2 diabetes and/or cardiovascular disease (CVD). Cardio-metabolic disease risk increases with greater remoteness where specialist services are scarce. Nurse-led interventions are effective for the management of chronic disease. The aim of this clinical trial is to determine whether a nurse-implemented health and lifestyle modification program is more beneficial than standard care to reduce cardio metabolic abnormalities and future risk of CVD and diabetes in individuals with MetS. METHODS: MODERN is a multi-centre, open, parallel group randomized controlled trial in regional Victoria, Australia. Participants were self-selected and individuals aged 40 to 70 years with MetS who had no evidence of CVD or other chronic disease were recruited. Those attending a screening visit with any 3 or more risk factors of central obesity, dyslipidemia (high triglycerides or low high density lipoprotein cholesterol) elevated blood pressure and dysglycemia were randomized to either nurse-led health and lifestyle modification (intervention) or standard care (control). The intervention included risk factor management, health education, care planning and scheduled follow-up commensurate with level of risk. The primary cardio-metabolic end-point was achievement of risk factor thresholds to eliminate MetS or minimal clinically meaningful changes for at least 3 risk factors that characterise MetS over 2 year follow-up. Pre specified secondary endpoints to evaluate between group variations in cardio metabolic risk, general health and lifestyle behaviours and new onset CVD and type 2 diabetes will be evaluated. Key outcomes will be measured at baseline, 12 and 24 months via questionnaires, physical examinations, pathology and other diagnostic tests. Health economic analyses will be undertaken to establish the cost-effectiveness of the intervention. DISCUSSION: The MODERN trial will provide evidence for the potential benefit of independent nurse-run clinics in the community and their cost-effectiveness in adults with MetS. Findings will enable more nurse-led clinics to be adopted outside of major cities and encompassing other chronic diseases as a key primary preventative initiative. TRIAL REGISTRATION: MODERN is registered with the Australian New Zealand Clinical Trials Registry ( ACTRN12616000229471 ) on 19 February 2016 (retrospectively registered). Secondary identifiers: MODERN is an investigator-initiated trial funded by the National Health and Medical Research Council of Australia from 2014 to 2017 via a Project Grant (ID No. APP1069043) and was approved by the Australian Catholic University Human Research Ethics Committee (Project No: 2014 244 V) and the Department of Health Human Research Ethics Committee (Project No:38/2014) for the release of Medicare claims information. PMID- 29212478 TI - Effect of butorphanol, midazolam or ketamine on romifidine based sedation in horses during standing cheek tooth removal. AB - BACKGROUND: Standing surgery, especially dental procedures, are commonly performed in horses. This leads to an increasing demand for reliable sedation protocols. Therefore, it was the purpose of this study to investigate the influence of butorphanol, midazolam or ketamine on romifidine based sedation in horses during cheek tooth removal. METHODS: Forty horses presented for tooth extraction were divided in four groups using matched pair randomization. Group R was sedated with romifidine (bolus 0.03 mg/kg, followed by a constant rate infusion (CRI) 0.05 mg/kg/h) and group RB with romifidine (same dose) and butorphanol (0.02 mg/kg; CRI 0.04 mg/kg/h). Group RM received romifidine (same dose) and midazolam (0.02 mg/kg; CRI 0.06 mg/kg/h) whereas group RK was administered romifidine (same dose) and ketamine (0.5 mg/kg; CRI 1.2 mg/kg/h). If sedation was not adequate a top up bolus of romifidine (0.01 mg/kg) was administered. The quality of sedation and the conditions for tooth extraction, the level of ataxia, chewing, head and tongue movement were evaluated by using a scoring system. The investigator was blinded to the applied sedation protocol. Furthermore, serum cortisol concentrations before, during and after the procedure were analyzed to gain more information about the stress level of the horses. RESULTS: Horses in group RM showed significantly less chewing and tongue activity compared to horses sedated with romifidine alone or with butorphanol additionally, but also significantly higher levels of ataxia. The quality of sedation was significantly better if romifidine was administered in combination with ketamine compared to romifidine alone. Furthermore, horses of group RK needed less additional romifidine boli compared to all other groups. Blood cortisol concentrations during surgery in groups RB and RM remained unchanged. Horses of group R showed higher cortisol concentrations during sedation compared to horses of groups RB and RM. CONCLUSION: Romifidine alone at an initial bolus dose of 0.03 mg/kg followed by a constant rate infusion of 0.05 mg/kg/h was insufficient to obtain an adequate level of sedation and led to increased stress levels, whereas the addition of butorphanol inhibited the stress response. The combination of romifidine with either midazolam or ketamine improved sedation quality and surgical conditions. PMID- 29212479 TI - A pilot systematic genomic comparison of recurrence risks of hepatitis B virus associated hepatocellular carcinoma with low- and high-degree liver fibrosis. AB - BACKGROUND: Chronic hepatitis B virus (HBV) infection leads to liver fibrosis, which is a major risk factor in hepatocellular carcinoma (HCC) and an independent risk factor of recurrence after HCC tumor resection. The HBV genome can be inserted into the human genome, and chronic inflammation may trigger somatic mutations. However, how HBV integration and other genomic changes contribute to the risk of tumor recurrence with regards to the different degree of liver fibrosis is not clearly understood. METHODS: We sequenced mRNAs of 21 pairs of tumor and distant non-neoplastic liver tissues of HBV-HCC patients and performed comprehensive genomic analyses of our RNAseq data and public available HBV-HCC sequencing data. RESULTS: We developed a robust pipeline for sensitively identifying HBV integration sites based on sequencing data. Simulations showed that our method outperformed existing methods. Applying it to our data, 374 and 106 HBV host genes were identified in non-neoplastic liver and tumor tissues, respectively. When applying it to other RNA sequencing datasets, consistently more HBV integrations were identified in non-neoplastic liver than in tumor tissues. HBV host genes identified in non-neoplastic liver samples significantly overlapped with known tumor suppressor genes. More significant enrichment of tumor suppressor genes was observed among HBV host genes identified from patients with tumor recurrence, indicating the potential risk of tumor recurrence driven by HBV integration in non-neoplastic liver tissues. We also compared SNPs of each sample with SNPs in a cancer census database and inferred samples' pathogenic SNP loads. Pathogenic SNP loads in non-neoplastic liver tissues were consistently higher than those in normal liver tissues. Additionally, HBV host genes identified in non-neoplastic liver tissues significantly overlapped with pathogenic somatic mutations, suggesting that HBV integration and somatic mutations targeting the same set of genes are important to tumorigenesis. HBV integrations and pathogenic mutations showed distinct patterns between low and high liver fibrosis patients with regards to tumor recurrence. CONCLUSIONS: The results suggest that HBV integrations and pathogenic SNPs in non-neoplastic tissues are important for tumorigenesis and different recurrence risk models are needed for patients with low and high degrees of liver fibrosis. PMID- 29212480 TI - The effect of nursing participation in the design of a critical care information system: a case study in a Chinese hospital. AB - BACKGROUND: Intensive care information systems (ICIS) are continuously evolving to meet the ever changing information needs of intensive care units (ICUs), providing the backbone for a safe, intelligent and efficient patient care environment. Although beneficial for the international advancement in building smart environments to transform ICU services, knowledge about the contemporary development of ICIS worldwide, their usage and impacts is limited. This study aimed to fill this knowledge gap by researching the development and implementation of an ICIS in a Chinese hospital, nurses' use of the system, and the impact of system use on critical care nursing processes and outcomes. METHODS: This descriptive case study was conducted in a 14-bed Respiratory ICU in a tertiary hospital in Beijing. Participative design was the method used for ICU nurses, hospital IT department and a software company to collaboratively research and develop the ICIS. Focus group discussions were conducted to understand the subjective perceptions of the nurses toward the ICIS. Nursing documentation time and quality were compared before and after system implementation. ICU nursing performance was extracted from the annual nursing performance data collected by the hospital. RESULTS: A participative design process was followed by the nurses in the ICU, the hospital IT staff and the software engineers in the company to develop and implement a highly useful ICIS. Nursing documentation was fully digitized and was significantly improved in quality and efficiency. The wrong data, missing data items and calculation errors were significantly reduced. Nurses spent more time on direct patient care after the introduction of the ICIS. The accuracy and efficiency of medication administration was also improved. The outcome was improvement in ward nursing performance as measured by ward management, routine nursing practices, disinfection and isolation, infection rate and mortality rate. CONCLUSIONS: Nurses in this ICU unit in China actively participated in the ICIS development and fully used the system to document care. Introduction of the ICIS led to significant improvement in quality and efficiency in nursing documentation, medication order transcription and administration. It allowed nurses to spend more time with patients to improve quality of care. These led to improvement in overall nursing performance. Further study should investigate how the ICIS system contributes to the improvement in decision making of ICU nurses and intensivists. PMID- 29212481 TI - Early anti-VEGF treatment for hemorrhagic occlusive retinal vasculitis as a complication of cataract surgery. AB - BACKGROUND: We report a case of hemorrhagic occlusive retinal vasculitis (HORV) after prophylactic intracameral vancomycin use during an uneventful cataract surgery treated with early anti-VEGF treatment. CASE PRESENTATION: A 51-year-old female underwent uneventful cataract surgery with prophylactic intracameral vancomycin during the procedure. On the seventh post-operative-day, she presented with sudden painful, visual loss. Fundus examination revealed peripheral hemorrhagic retinal vasculitis. She received anti-VEGF therapy to prevent further vision loss and retinal neovascularization due to extensive retinal ischemia. At the 6-month follow-up visit, visual acuity was 20/20 with no sign of neovascularization. CONCLUSIONS: Postoperative HORV is a devastating condition that can occur after otherwise uncomplicated cataract surgery. The nature of this rare condition remains unknown. Early anti-VEGF administration seems to demonstrate favorable results. PMID- 29212482 TI - Biosecurity aspects of cattle production in Western Uganda, and associations with seroprevalence of brucellosis, salmonellosis and bovine viral diarrhoea. AB - BACKGROUND: Many low-income countries have a human population with a high number of cattle owners depending on their livestock for food and income. Infectious diseases threaten the health and production of cattle, affecting both the farmers and their families as well as other actors in often informal value chains. Many infectious diseases can be prevented by good biosecurity. The objectives of this study were to describe herd management and biosecurity routines with potential impact on the prevalence of infectious diseases, and to estimate the burden of infectious diseases in Ugandan cattle herds, using the seroprevalence of three model infections. RESULTS: Farmer interviews (n = 144) showed that biosecurity measures are rarely practised. Visitors' hand-wash was used by 14%, cleaning of boots or feet by 4 and 79% put new cattle directly into the herd. During the 12 months preceding the interviews, 51% of farmers had cattle that died and 31% had noticed abortions among their cows. Interestingly, 72% were satisfied with the health status of their cattle during the same time period. The prevalence (95% CI) of farms with at least one seropositive animal was 16.7% (11.0;23.8), 23.6% (16.9;31.4), and 53.4% (45.0;61.8) for brucella, salmonella and BVD, respectively. A poisson regression model suggested that having employees looking after the cattle, sharing pasture with other herds, and a higher number of dead cattle were associated with a herd being positive to an increasing number of the diseases. An additive bayesian network model with biosecurity variables and a variable for the number of diseases the herd was positive to resulted in three separate directed acyclic graphs which illustrate how herd characteristics can be grouped together. This model associated the smallest herd size with herds positive to a decreasing number of diseases and having fewer employees. CONCLUSION: There is potential for improvement of biosecurity practices in Ugandan cattle production. Salmonella, brucella and BVD were prevalent in cattle herds in the study area and these infections are, to some extent, associated with farm management practices. PMID- 29212483 TI - Fast food consumption and its associations with obesity and hypertension among children: results from the baseline data of the Childhood Obesity Study in China Mega-cities. AB - BACKGROUND: China has seen rapid increase in obesity and hypertension prevalence and fast food consumption over the past decade. We examined status and risk factors for Western- and Chinese fast food consumption and their associations with health outcomes in Chinese children, and examined how maternal factors were associated with child health outcomes. METHODS: Data of 1626 students aged 7-16 (11.6 +/- 2.0) years and their parents in four mega-cities across China (Beijing, Shanghai, Nanjing, and Xi'an) were collected in the 2015 baseline survey of the Childhood Obesity Study in China Mega-cities. Weight, height, waist circumference, and blood pressure were measured. Food intake was assessed using questionnaire. Mixed models were used to examine the associations. RESULTS: Among the children, 11.1% were obese, 19.7% were centrally obese, and 9.0% had hypertension. Obesity prevalence was much higher in boys than in girls (15.2% vs. 6.9% and 27.4% vs. 11.7%, respectively, both P < 0.001). About half (51.9% and 43.6%) of children consumed Western and Chinese fast food, respectively, over the past 3 months. Compared to those with college or above maternal education level, those with elementary school or below maternal education level were 49% more likely to consume Western fast food (odds ratio [OR] and 95% confidence interval [CI]: 1.49 [1.10-2.03]). Chinese fast food consumption rate increased by 12% with each year of increase in child's age (OR and 95% CI: 1.12 [1.02-1.23]). No significant associations between fast food consumption and health outcomes were detected. Adjusting for Western fast food consumption, children with lower maternal education were 71% and 43% more likely to have obesity and central obesity (ORs and 95% CIs: 1.71 [1.12-2.61] and 1.43 [1.00-2.03], respectively), and maternal body mass index was positively associated with child obesity, central obesity, and hypertension (ORs and 95% CIs: 1.11 [1.06-1.17], 1.12 [1.07 1.17], and 1.09 [1.03-1.15], respectively). Results were similar when Chinese fast food consumption was adjusted for. CONCLUSIONS: The prevalence of fast food consumption, obesity and hypertension is high among children in major cities in China. Maternal factors affect child outcomes. PMID- 29212484 TI - Clinical features of visual disturbances secondary to isolated sphenoid sinus inflammatory diseases. AB - BACKGROUND: Visual disturbances associated with isolated sphenoid sinus inflammatory diseases (ISSIDs) are easily misdiagnosed due to the nonspecific symptoms and undetectable anatomical location. The main objective of this retrospective case series is to investigate the clinical features of visual disturbances secondary to ISSIDs. METHODS: Clinical data of 23 patients with unilateral or bilateral visual disturbances secondary to ISSIDs from 2004 to 2014 with new symptoms were collected. Collected data including symptoms, signs, neuroimaging and pathologic diagnosis were analyzed. RESULTS: There were 14 males and 9 females, and their ages ranged from 31 to 83 years. Fifteen patients suffered blurred vision and 11 patients suffered binocular double vision, including 3 patients who had unilateral visual changes and diplopia simultaneously. Headache was observed in 18 patients, and orbit pain/ocular pain in 8 patients. Other presenting symptoms included ptosis (4 patients) and proptosis (1 patient). Only 5 patients had nasal complaints. The corrected visual acuities were between NLP to 20/20. Patients with diplopia included 5 with unilateral oculomotor nerve palsy and 6 with unilateral abducens nerve palsy. All patients performed orbital/sinus/brain radiologic examination and found responsible lesions in sphenoid sinus. All patients underwent endoscopic sinus surgery, and 9 patients were found to suffer sphenoid mucocele, 9 with fungal sinusitis, and 5 with sphenoid sinusitis. Visual disturbances improved in 6 patients, and all the patients with diplopia had a postoperative recovery. CONCLUSION: Visual disturbances resulting from ISSIDs are relatively uncommon, but it is crucial that the patient with new vision loss or diplopia and persistent headache or orbit pain be evaluated for the possibility of ISSIDs especially before corticosteroid administration. PMID- 29212485 TI - Outcome comparison between percutaneous cholecystostomy and cholecystectomy: a 10 year population-based analysis. AB - BACKGROUND: Controversy surrounding the role of percutaneous cholecystostomy (PC) is fed by the absence of large amounts of data concerning its outcomes, and many authors have maintained that there is no evidence to support a recommendation for PC rather than cholecystectomy (CCS) in elderly or critically ill patients with acute cholecystitis (AC). METHODS: We conducted this study by tracking trends in the utilization and outcomes of PC and CCS using longitudinal health research data in Taiwan. RESULTS: Analyses were conducted on 236,742 patients, 11,184 of whom had undergone PC and 225,558 of whom had undergone CCS. Average annual percentage changes (AAPCs) from 2003 to 2012 increased significantly by 18.34% each year for PC and by 2.82% each year for CCS. The subset analyzes showed that the mortality rates were far higher in patients underwent PC than in patients underwent CCS in all subgroups, which increased from a minimum of 1.45-fold to a maximum of 34.22-fold. The gap of the mortality rates between PC group and CCS group narrowed as the patients aged and with the seriousness of the diseases increased. Most patients with PC or CCS who died in-hospital or within 30 days after discharge were 70 years of age or older, and a large number of them received a CCI score of at least 1. The AAPCs of the overall mortality rates from 2003 to 2012 decreased by 6.78% each year for PC and by 7.33% each year for CCS. PC was related to a higher rate of cholecystitis recurrence and readmission for complications, but a lower rate of in-hospital complications and routine discharge than CCS, and 36.41% of all patients treated with PC underwent subsequent CCS. Additionally, the patients with PC experienced longer hospital stays and generated higher costs than the patients with CCS. CONCLUSION: Patients who underwent PC demonstrated poorer prognoses than did patients who underwent CCS. The role of PC in the Tokyo guidelines may be overstated; it is not as safe as the Tokyo guidelines have suggested in moderate-grade cholecystitis cases, and it should be limited to only the elderly and sicker patients. PMID- 29212486 TI - Emerging concepts and spectrum of renal injury following Intravesical BCG for non muscle invasive bladder cancer. AB - BACKGROUND: Intravesical Bacilli Calmette-Guerin (IVBCG) therapy for non-muscle invasive bladder cancer (NMIBC) has long been in use successfully. Albeit rarely, we still face with its safety concerns more than 25 years on since its approval by US Food and Drug Agency in 1990. Local and systemic infection following intravesical BCG is widely reported as compared to immune mediated local or systemic hypersensitivity reactions involving kidneys; acute kidney injury (AKI) and other renal manifestations are well reported but not of chronic kidney disease (CKD). CASE: An interesting case of a female was referred to nephrologists in advanced stages of CKD at an eGFR of 10 ml/min/1.732 following IVBCG for NMIBC. Our patient's renal function plateaued when IVBCG was held; and worsened again when reinstilled. It introduces the concept of 'repetitive' immune mediated renal injury presenting as progressive CKD rather than AKI, as is generally reported. Although response was poor, corticosteroids stopped CKD progression to end stage renal disease. CONCLUSIONS: We highlight the need for increased awareness and early recognition of IVBCG renal complications by both urologists and nephrologists in order to prevent progressive and irreversible renal damage. Low incidence of IVBCG renal complications may also be due to under recognition in the era prior to CKD Staging and AKI Network (and AKI e-alerts) that defined AKI as a rise in serum creatinine of >=26umol/L; hence an unmet need for urgent prospective studies. Major literature review focuses on emerging spectrum of histopathological IVBCG related renal complications and their outcomes. PMID- 29212487 TI - Recognizing difficult trade-offs: values and treatment preferences for end-of life care in a multi-site survey of adult patients in family practices. AB - BACKGROUND: Decisions about care options and the use of life-sustaining treatments should be informed by a person's values and treatment preferences. The objective of this study was to examine the consistency of ratings of the importance of the values statements and the association between values statement ratings and the patient's expressed treatment preference. METHODS: We conducted a multi-site survey in 20 family practices. Patients aged 50 and older self completed a questionnaire assessing the importance of eight values (rated 1 to 10), and indicated their preference for use of life-sustaining treatment (5 options). We compared correlations among values to a priori hypotheses based on whether the value related to prolonging or shortening life, and examined expected relationships between importance of values and the preference option for life sustaining treatment. RESULTS: Eight hundred ten patients participated (92% response rate). Of 24 a priori predicted correlations among values statements, 14 were statistically significant but nearly all were negligible in their magnitude and some were in the opposite direction than expected. For example, the correlation between importance of being comfortable and suffering as little as possible and the importance of living as long as possible should have been inversely correlated but was positively correlated (r = 0.08, p = 0.03). Correlations between importance of values items and preference were negligible, ranging from 0.03 to 0.13. CONCLUSIONS: Patients may not recognize that trade offs in what is most important may be needed when considering the use of treatments. In the context of preparation for decision-making during serious illness, decision aids that highlight these trade-offs and connect values to preferences more directly may be more helpful than those that do not. PMID- 29212488 TI - Identification of the lipid biomarkers from plasma in idiopathic pulmonary fibrosis by Lipidomics. AB - BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is an irreversible interstitial pulmonary disease featured by high mortality, chronic and progressive course, and poor prognosis with unclear etiology. Currently, more studies have been focusing on identifying biomarkers to predict the progression of IPF, such as genes, proteins, and lipids. Lipids comprise diverse classes of molecules and play a critical role in cellular energy storage, structure, and signaling. The role of lipids in respiratory diseases, including cystic fibrosis, asthma and chronic obstructive pulmonary disease (COPD) has been investigated intensely in the recent years. The human serum lipid profiles in IPF patients however, have not been thoroughly understood and it will be very helpful if there are available molecular biomarkers, which can be used to monitor the disease progression or provide prognostic information for IPF disease. METHODS: In this study, we performed the ultraperformance liquid chromatography coupled with quadrupole time of flight mass spectrometry (UPLC-QTOF/MS) to detect the lipid variation and identify biomarker in plasma of IPF patients. The plasma were from 22 IPF patients before received treatment and 18 controls. RESULTS: A total of 507 individual blood lipid species were determined with lipidomics from the 40 plasma samples including 20 types of fatty acid, 159 types of glycerolipids, 221 types of glycerophospholipids, 47 types of sphingolipids, 46 types of sterol lipids, 7 types of prenol lipids, 3 types of saccharolipids, and 4 types of polyketides. By comparing the variations in the lipid metabolite levels in IPF patients, a total of 62 unique lipids were identified by statistical analysis including 24 kinds of glycerophoslipids, 30 kinds of glycerolipids, 3 kinds of sterol lipids, 4 kinds of sphingolipids and 1 kind of fatty acids. Finally, 6 out of 62 discriminating lipids were selected as the potential biomarkers, which are able to differentiate between IPF disease and controls with ROC analysis. CONCLUSIONS: Our results provided vital information regarding lipid metabolism in IPF patients and more importantly, a few potentially promising biomarkers were firstly identified which may have a predictive role in monitoring and diagnosing IPF disease. PMID- 29212489 TI - Health-care utilization of patients with chronic back pain before and after rehabilitation. AB - BACKGROUND: Patients with chronic back pain show an increased use of health-care services leading to high direct costs. Multidisciplinary rehabilitation reduces pain intensity, depression, disability and work inability. The study aims to investigate whether health-care utilization in patients with chronic back pain is lower after rehabilitation than before rehabilitation and if, in addition to sociodemographic, medical and psychological characteristics, changes in these characteristics immediately after rehabilitation can predict health-care utilization. METHODS: N = 688 patients with chronic back pain were asked about their overall health-care services use and the use of general practitioners, specialists, physiotherapy, psychotherapy, complementary therapist, massages, and admission to hospital both 6 months before and 6 months after rehabilitation. In addition, various sociodemographic, medical and psychological variables were assessed. To measure changes due to rehabilitation, differences in pain intensity, disability, impairment and coping, quality of life, and days on sick leave before and after rehabilitation were calculated. Dependent t-tests and hierarchical regression analyses were used to analyse the data. RESULTS: Health care utilization 6 months after rehabilitation was, except for physiotherapy and psychotherapy, significantly lower than before. The effect sizes were rather small (Cohens'd =. 01-.34). After rehabilitation between 15.2% and 39.9% of the variance of health-care utilization could be explained. The baseline values of health-care utilization explained between 3.2% and 15.9% of the incremental variances. The changes in psychological impairment and coping as well as in sick leave after rehabilitation could explain between 0.8% and 2.9% of the variance of health-care utilization after rehabilitation. Its influence was significant for the general use of health-care services, general practitioners and specialists. CONCLUSIONS: The results indicate that use of health-care services after rehabilitation in the present study is slightly lower than before, which has an impact on direct costs due to chronic back pain in Germany. The predictors show the importance in terms of health-care utilization of improving work ability and psychological impairment. PMID- 29212490 TI - Attitudes towards assisted suicide and euthanasia among care-dependent older adults (50+) in Austria: the role of socio-demographics, religiosity, physical illness, psychological distress, and social isolation. AB - BACKGROUND: Care-dependency constitutes an important issue with regard to the approval of end-of-life decisions, yet attitudes towards assisted suicide and euthanasia are understudied among care-dependent older adults. We assessed attitudes towards assisted suicide and euthanasia and tested empirical correlates, including socio-demographics, religiosity, physical illness, psychological distress and social isolation. METHODS: A nationwide cross sectional survey among older care allowance recipients (50+) in private households in Austria was conducted in 2016. In computer-assisted personal interviews, 493 respondents were asked whether or not they approved of the availability of assisted suicide and euthanasia in case of long-term care dependency and whether or not they would consider using assisted suicide or euthanasia for themselves. Multiple logistic regression analysis was used to assess the impact of potential determinants of attitudes towards assisted suicide and euthanasia. RESULTS: About a quarter (24.8-26.0%) of the sampled care dependent older adults approved of the availability of assisted suicide and euthanasia respectively indicated the will to (hypothetically) make use of assisted suicide or euthanasia. Attitudes towards assisted suicide were most favourable among care-dependent older adults living in urban areas, those who did not trust physicians, those who reported active suicide ideation, and individuals with a strong fear of dying. With regard to euthanasia, living alone, religiosity and fear of dying were the central determinants of acceptance. CONCLUSIONS: Positive attitudes towards and will to (hypothetically) use assisted suicide and euthanasia were expressed by a substantial minority of care-dependent older adults in Austria and are driven by current psychological suffering and fear of the process of dying in the (near) future. Community-based psychosocial care should be expanded to address psychological distress and fears about end-of-life issues among care-dependent older adults. PMID- 29212491 TI - Case report: schwannoma arising from the unilateral adrenal area with bilateral hyperaldosteronism. AB - BACKGROUND: We report a rare case of a juxta-adrenal schwannoma that could not be discriminated from an adrenal tumor before surgical resection and was complicated by bilateral hyperaldosteronism. To the best of our knowledge, this is first case in which both a juxta-adrenal schwannoma and hyperaldosteronism co-existed. CASE PRESENTATION: A 69-year-old male treated for hypertension was found to have a left supra-renal mass (5.8 * 5.2 cm) by abdominal computed tomography. His laboratory data showed that his plasma aldosterone concentration (PAC) was within the normal range, but his plasma renin activity (PRA) was reduced, resulting in an increased aldosterone/renin ratio (ARR). Load tests of captopril or furosemide in the standing position demonstrated autonomous aldosterone secretion and renin suppression. Adrenal venous sampling (AVS) with ACTH stimulation indicated bilateral hypersecretion of aldosterone. A left supra-renal tumor was resected because of the possibility of malignancy and was found to be a benign schwannoma arising from the juxta-adrenal region together with an adrenal gland. The dissected left adrenal gland was morphologically hyperplastic in the zona glomerulosa, but was immunohistochemically negative for CYP11B2 (aldosterone synthase). Multiple CYP11B2-positive adrenocortical micronodules were detected in the adrenal gland, indicating micronodular hyperplasia. Although bilateral aldosteronism was indicated by AVS before the operation, the PRA, PAC and ARR values were within their respective reference ranges after resection of the unilateral tumor, suggesting that the slight increase in hormone secretion from the remaining right-sided lesion could not be detected after resection. CONCLUSION: A clinical and morphologic diagnosis of juxta-adrenal schwannoma is difficult, particularly in a case of hyperaldosteronism, as shown in this case. These data suggest the complexity and difficulty diagnosing adrenal incidentaloma. PMID- 29212492 TI - Using patient data to optimize an expert-based guideline on convalescence recommendations after gynecological surgery: a prospective cohort study. AB - BACKGROUND: Convalescence advice is often based on tradition and anecdote from health care providers, rather than being based on experiences from patients themselves. The aim of this study was to analyse recovery in terms of resumption of various daily activities including work, following different laparoscopic and abdominal surgery in order to optimize an expert-based guideline on convalescence recommendations. METHODS: This is a prospective cohort study conducted in nine general and one university hospital in the Netherlands. Women aged 18-65 years and scheduled for a hysterectomy (laparoscopic, vaginal, abdominal) and/or laparoscopic adnexal surgery (n = 304) were eligible to participate. Preoperatively, participants were provided with tailored expert-based convalescence recommendations on the graded resumption of several daily activities including sitting, standing, walking, climbing stairs, bending, lifting, driving, cycling, household chores, sport activities and return to work (RTW). Postoperatively, time until the resumption of these activities was tracked. Convalescence recommendations were considered correct when at least 25% and less than 50% of the women were able to resume an activity before or at the recommended recovery time. RESULTS: There was a wide variation in the duration until the resumption of daily activities within and between groups of patients undergoing different types of surgery. Recovery times lengthened with increasing levels of physical burden as well as with increasing levels of invasiveness of the surgery. For the majority of activities actual recovery times exceeded the recovery time recommended by the expert panel. CONCLUSIONS: This study provided insight in the resumption of daily activities after gynecological surgery and the adequacy of an expert-based convalescence guideline in clinical practice. Patient data was used to optimize the convalescence recommendations. TRIAL REGISTRATION: Dutch trial registry, NTR2087 (August 2009) and NTR2933 (June 2011). PMID- 29212493 TI - Development of a video-simulation instrument for assessing cognition in older adults. AB - BACKGROUND: Commonly used methods to assess cognition, such as direct observation, self-report, or neuropsychological testing, have significant limitations. Therefore, a novel tablet computer-based video simulation was created with the goal of being valid, reliable, and easy to administer. The design and implementation of the SIMBAC (Simulation-Based Assessment of Cognition) instrument is described in detail, as well as informatics "lessons learned" during development. RESULTS: The software emulates 5 common instrumental activities of daily living (IADLs) and scores participants' performance. The modules were chosen by a panel of geriatricians based on relevance to daily functioning and ability to be modeled electronically, and included facial recognition, pairing faces with the correct names, filling a pillbox, using an automated teller machine (ATM), and automatic renewal of a prescription using a telephone. Software development included three phases 1) a period of initial design and testing (alpha version), 2) pilot study with 10 cognitively normal and 10 cognitively impaired adults over the age of 60 (beta version), and 3) larger validation study with 162 older adults of mixed cognitive status (release version). Results of the pilot study are discussed in the context of refining the instrument; full results of the validation study are reported in a separate article. In both studies, SIMBAC reliably differentiated controls from persons with cognitive impairment, and performance was highly correlated with Mini Mental Status Examination (MMSE) score. Several informatics challenges emerged during software development, which are broadly relevant to the design and use of electronic assessment tools. Solutions to these issues, such as protection of subject privacy and safeguarding against data loss, are discussed in depth. Collection of fine-grained data (highly detailed information such as time spent reading directions and the number of taps on screen) is also considered. CONCLUSIONS: SIMBAC provides clinicians direct insight into whether subjects can successfully perform selected cognitively intensive activities essential for independent living and advances the field of cognitive assessment. Insight gained from the development process could inform other researchers who seek to develop software tools in health care. PMID- 29212494 TI - Epidemiology and outcomes of children with renal failure in the pediatric ward of a tertiary hospital in Cameroon. AB - BACKGROUND: Pediatric nephrology is challenging in developing countries and data on the burden of kidney disease in children is difficult to estimate due to absence of renal registries. We aimed to describe the epidemiology and outcomes of children with renal failure in Cameroon. METHODS: We retrospectively reviewed 103 medical records of children from 0 to 17 years with renal failure admitted in the Pediatric ward of the Douala General Hospital from 2004 to 2013. Renal failure referred to either acute kidney injury (AKI) or Stage 3-5 chronic kidney disease (CKD). AKI was defined and graded using either the modified RIFLE criteria or the Pediatrics RIFLE criteria, while CKD was graded using the KDIGO criteria. Outcomes of interest were need and access to dialysis and in-hospital mortality. For patients with AKI renal recovery was evaluated at 3 months. RESULTS: Median age was 84 months (1QR:15-144) with 62.1% males. Frequent clinical symptoms were asthenia, anorexia, 68.8% of participants had anuria. AKI accounted for 84.5% (n = 87) and CKD for 15.5% (n = 16). Chronic glomerulonephritis (9/16) and urologic malformations (7/16) were the causes of CKD and 81.3% were at stage 5. In the AKI subgroup, 86.2% were in stage F, with acute tubular necrosis (n = 50) and pre-renal AKI (n = 31) being the most frequent mechanisms. Sepsis, severe malaria, hypovolemia and herbal concoction were the main etiologies. Eight of 14 (57%) patients with CKD, and 27 of 40 (67.5%) with AKI who required dialysis, accessed it. In-hospital mortality was 50.7% for AKI and 50% for CKD. Of the 25 patients in the AKI group with available data at 3 months, renal recovery was complete in 22, partial in one and 2 were dialysis dependent. Factors associated to mortality were young age (p = 0.001), presence of a coma (p = 0.021), use of herbal concoction (p = 0.024) and acute pulmonary edema (p = 0.011). CONCLUSION: Renal failure is severe and carries a high mortality in hospitalized children in Cameroon. Limited access to dialysis and lack of specialized paediatric nephrology services may explain this dismal picture. PMID- 29212495 TI - Feasibility of tissue re-biopsy in non-small cell lung cancers resistant to previous epidermal growth factor receptor tyrosine kinase inhibitor therapies. AB - BACKGROUND: When epidermal growth factor receptor (EGFR) gene mutation-positive non-small cell lung cancer (NSCLC) acquires resistance to the initial tyrosine kinase inhibitor (TKI) treatment, reassessing the tumor DNA by re-biopsy is essential for further treatment selection. However, the process of TKI-sensitive tumor re-progression and whether re-biopsy is possible in all cases of acquired resistance to EGFR-TKI remain unclear. METHODS: We retrospectively analyzed data from 69 consecutive patients with EGFR gene mutation-positive advanced NSCLC who had been treated with EGFR-TKI and exhibited disease relapse after initial disease remission. The relapsing lesions were identified at the time of RECIST progressive disease (PD) and clinical-PD (when the attending physician judged the patient as clinically relapsing and stopped EGFR-TKI therapy). We determined the potential re-biopsy methods for each relapsing lesion and evaluated their feasibility according to difficulty and invasiveness criteria as follows: category A, accessible by conventional biopsy techniques; category B, difficult (but possible) to biopsy and accessible with invasive methods; and category C, extremely difficult to biopsy or inaccessible without using highly invasive methods, including surgical biopsy. RESULTS: The total feasibility rate of re biopsy (category A or B) was 68% at RECIST-PD and 84% at clinical-PD, and the most common accessible relapsing lesions were primary tumors at RECIST-PD and pleural effusion at clinical-PD. All relapsing lesions at primary sites (categories A and B) were assessed as having the potential for re-biopsy. However, re-biopsy for metastasis was assessed as difficult in a substantial proportion of the study population (42 and 20% category C at RECIST-PD and clinical-PD, respectively). CONCLUSIONS: Re-biopsy of relapsing disease is feasible in many cases, although it may present difficulties in cases with, e.g., metastatic relapsing lesions. To facilitate treatment strategies in NSCLC patients with relapse after EGFR-TKI therapy, re-biopsy should be standardized with the use of simpler and more reliable methods. PMID- 29212496 TI - Pulmonary function, exhaled nitric oxide and symptoms in asthma patients with obesity: a cross-sectional study. AB - BACKGROUND: Obesity is a risk factor for the development of asthma. In patients with obesity the diagnosis of asthma is often based on symptoms, but without objective measurements. Nevertheless, obesity-associated asthma is recognized as a distinct asthma phenotype. Therefore, this study explores lung function and symptoms in asthma patients with and without obesity. METHODS: The Netherlands Epidemiology of Obesity (NEO) study is a population-based cohort study with 6671 participants (aged 45-65 years) of whom 472 had asthma. Of this latter group, linear regression analysis was used to examine differences in lung function and symptoms between asthma patients with (n = 248) and without obesity (n = 224), and between asthma patients with and without increased FeNO. Analyses were adjusted for confounders. RESULTS: Asthma patients with obesity had lower predicted FEV1 and FVC values than patients without obesity [adjusted mean difference (MD) -3.3% predicted, 95% CI -6.5, -0.2; adjusted MD -5.0% predicted, 95% CI -7.8, -2.1]. The prevalence of symptoms was higher in patients with obesity. Asthma patients with obesity and with increased FeNO had lower FEV1 and FEV1/FVC values compared with those with low FeNO (adjusted MD -6.9% predicted, 95% CI -11.7, -2.0; -2.4%, 95% CI -4.6, -0.2). CONCLUSION: Asthma patients with obesity had lower FEV1 and FVC values than patients without obesity. This suggests that patients with obesity have restrictive lung function changes, rather than obstructive changes. Asthma patients with obesity and increased FeNO showed more obstructive changes. FeNO might help to identify patients with eosinophilic inflammation-driven asthma, whereas patients with low FeNO might have an obesity-associated asthma phenotype in which symptoms are partly caused by the obesity. PMID- 29212497 TI - Adverse events recording in electronic health record systems in primary care. AB - BACKGROUND: Adequate record keeping of medication adverse events in electronic health records systems is important for patient safety. Events that remain unrecorded cannot be communicated from one health professional to another. In the absence of a gold standard, we investigate the variation between Dutch general practices in the extent to which they record medication adverse events. METHODS: Data were derived from electronic health records (EHR) of Dutch general practices participating in NIVEL Primary Care Database (NIVEL-PCD) in 2014, including 308 general practices with a total practice population of 1,256,049 listed patients. Medication adverse events were defined as recorded ICPC-code A85 (adverse effect medical agent). Between practice variation was studied using multilevel logistic regression analysis corrected for age, gender, number of different medicines prescriptions and number of chronic diseases. RESULTS: In 2014 there were 8330 patients with at least one medication adverse event recorded. This corresponds to 6.9 medication adverse events per 1000 patients and is higher for women, elderly, patients with polypharmacy and for patients with comorbidity. Corrected for these patient characteristics the median odds ratio (MOR = 1.92) suggests an almost twofold difference between general practices in recorded medication adverse events. CONCLUSION: Our results suggest that improvement in terms of uniformity in recording medication adverse events is possible, preventing potential damage for patients. We suggest that creating a learning health system by individual practice feedback on the number of recordings of adverse events would help practitioners to improve their recording habits. PMID- 29212498 TI - Salvianolic acid B protects against lipopolysaccharide-induced behavioral deficits and neuroinflammatory response: involvement of autophagy and NLRP3 inflammasome. AB - BACKGROUND: The NLRP3 inflammasome activation and neuroinflammation are known to be involved in the pathology of depression, whereas autophagy has multiple effects on immunity, which is partly mediated by the regulation of inflammasome and clearance of proinflammatory cytokines. Given the emerging evidence that autophagy dysfunction plays an essential role in depression, it is very likely that autophagy may interact with the inflammatory process in the development and treatment of depression. Salvianolic acid B (SalB), a naturally occurring compound extracted from Salvia miltiorrhiza, contains anti-inflammatory and antidepression properties and has recently been proven to modulate autophagy. In this study, we sought to investigate whether autophagy is involved in the inflammation-induced depression and the antidepressant effects of SalB. METHODS: The effects of prolonged lipopolysaccharide (LPS) treatment and SalB administration on behavioral changes, neuroinflammation, autophagic markers and NLRP3 activation in rat hippocampus were determined by using behavioral tests, real-time PCR analysis, western blot, and immunostaining. RESULTS: Our data showed that periphery immune challenge by LPS for 2 weeks successfully induced the rats to a depression-like state, accompanied with enhanced expression of pro inflammatory cytokines and NLRP3 inflammasome activation. Interestingly, autophagic markers, including Beclin-1, and the ratio of LC3II to LC3I were suppressed following prolonged LPS exposure. Meanwhile, co-treatment with SalB showed robust antidepressant effects and ameliorated the LPS-induced neuroinflammation. Additionally, SalB restored the compromised autophagy and overactivated NLRP3 inflammasome in LPS-treated rats. CONCLUSIONS: Collectively, these data suggest that autophagy may interact with NLRP3 activation to contribute to the development of depression, whereas SalB can promote autophagy and induce the clearance of NLRP3, thereby resulting in neuroprotective and antidepressant actions. PMID- 29212500 TI - Correction to: Adenosine stress CMR T1-mapping detects early microvascular dysfunction in patients with type 2 diabetes mellitus without obstructive coronary artery disease. AB - In the original publication of this article [1] Fig. 1 was incorrect due to the use of a colour bar with wrong range in error. PMID- 29212499 TI - Radiotherapy plus temozolomide in elderly patients with glioblastoma: a "real life" report. AB - BACKGROUND: The optimization of the management for elderly glioblastoma patients is crucial given the demographics of aging in many countries. We report the outcomes for a "real-life" patient cohort (i.e. unselected) comprising consecutive glioblastoma patients aged 70 years or more, treated with different radiotherapy +/- temozolomide regimens. METHODS: From 2003 to 2016, 104 patients >= 70 years of age, consecutively treated by radiotherapy for glioblastoma, were included in this study. All patients were diagnosed with IDH-wild type glioblastoma according to pathological criteria. RESULTS: Our patient cohort comprised 51 female patients (49%) and 53 male. The median cohort age was 75 years (70-88), and the median Karnofsky performance status (KPS) was 70 (30-100). Five (5%) patients underwent macroscopic complete resection, 9 (9%) had partial resection, and 90 (86%), a stereotactic biopsy. The MGMT promoter was methylated in 33/73 cases (45%). Fifty-two (50%), 38 (36%), and 14 (14%) patients were categorized with RPA scores of III, IV, and I-II. Thirty-three (32%) patients received normofractionated radiotherapy (60 Gy, 30 sessions) with temozolomide (Stupp), 37 (35%) received hypofractionated radiotherapy (median dose 40 Gy, 15 sessions) with temozolomide (HFRT + TMZ), and 34 (33%) HFRT alone. Patients receiving only HFRT were significantly older, with lower KPSs. The median overall survival (OS; all patients) was 5.2 months. OS rates at 12, 18, and 24 months, were 19%, 12%, and 5%, respectively, with no statistical differences between patients receiving Stupp or HFRT + TMZ (P = 0.22). In contrast, patients receiving HFRT alone manifested a significantly shorter survival time (3.9 months vs. 5.9 months, P = 0.018). In multivariate analyses, the prognostic factors for OS were: i) the type of surgery (HR: 0.47 [0.26-0.86], P = 0.014), ii) RPA class (HR: 2.15 [1.17-3.95], P = 0.014), and iii) temozolomide use irrespective of radiotherapy schedule (HR: 0.54 [0.33-0.88], P < 0.02). MGMT promoter methylation was neither a prognostic nor a predictive factor. CONCLUSIONS: These outcomes agree with the literature in terms of optimal surgery and the use of HFRT as a standard treatment for elderly GBM patients. Our study emphasizes the potential benefit of using temozolomide with radiotherapy in a real-life cohort of elderly GBM patients, irrespective of their MGMT status. PMID- 29212501 TI - Equity implications for sanitation from recent health and nutrition evidence. AB - Recent evidence points to the possible underestimation of the health and nutrition impact of sanitation. Community sanitation coverage may first need to reach thresholds in the order of 60% or higher, to optimize health and nutrition gains. Increasing coverage of sanitation to levels below 60% of community coverage may not result in substantial gains. For example, moving Indonesia from 60% to 100% improved sanitation coverage could significantly reduce diarrhoea in children under 5 years old (by an estimated 24% reduction in odds ratio for child diarrhoea morbidity) with gains split equally by reaching underserved communities and the unserved within communities. We review the implications of these results across three levels of program implementation - from micro level approaches (that support communities to achieve open defecation-free status), to meso level (sub national implementation) to macro level approaches for the national enabling environment and the global push to the Sustainable Development Goals. We found significant equity implications and recommend that future studies focus more extensively on community coverage levels and verified community open defecation free status rather than household access alone. Sanitation practitioners may consider developing phased approaches to improving water, sanitation and hygiene in communities while prioritizing the unserved or underserved. PMID- 29212502 TI - A spatial analysis of dietary patterns in a large representative population in the north of The Netherlands - the Lifelines cohort study. AB - BACKGROUND: Diet is an important modifiable risk factor for chronic diseases. In the search for effective strategies to improve dietary patterns in order to promote healthy ageing, new approaches considering contextual factors in public health medicine are warranted. The aim of this study is to examine the spatial clustering of dietary patterns in a large representative sample of adults. METHODS: Dietary patterns were defined on the basis of a 111 item Food Frequency Questionnaire among n = 117,570 adults using principal components analysis. We quantified the spatial clustering of dietary pattern scores at the neighborhood level using the Global Moran's I spatial statistic, taking into consideration individual demographic and (neighborhood) socioeconomic indicators. RESULTS: Four dietary patterns explaining 27% of the variance in dietary data were extracted in this population and named the "bread and cookies" pattern, the "snack" pattern, the "meat and alcohol" pattern and the "vegetable, fruit and fish" pattern. Significant spatial clustering of high (hot spot) and low (cold spot) dietary pattern scores was found for all four dietary patterns irrespective of age and gender differences. Educational attainment and neighborhood income explained the global clustering to some extent, although clustering at smaller regional scales persisted. CONCLUSION: The significant region-specific hot and cold spots of the four dietary patterns illustrate the existence of regional "food cultures" and underscore the need for interventions targeted at the sub-national level in order to tackle unhealthy dietary behavior and to stimulate people to make healthy dietary choices. PMID- 29212504 TI - Socioeconomic factors associated with cessation of injection drug use among street-involved youth. AB - BACKGROUND: Although the initiation of injection drug use has been well characterized among at-risk youth, factors that support or impede cessation of injection drug use have received less attention. We sought to identify socioeconomic factors associated with cessation of injection drug use among street-involved youth. METHODS: From September 2005 to May 2015, data were collected from the At-Risk Youth Study (ARYS), a prospective cohort study of street-involved youth in Vancouver, Canada. Multivariate extended Cox regression was utilized to identify socioeconomic factors associated with cessation of injection drug use for six months or longer among youth who were actively injecting. RESULTS: Among 383 participants, 171 (44.6%) youth reported having ceased injection (crude incidence density 22 per 100 person-years; 95% confidence interval [CI], 19-26) at some point during study follow-up. Youth who had recently dealt drugs (adjusted hazard ration [AHR], 0.50; 95% CI, 0.29-0.87), engaged in prohibited street-based income generation (AHR, 0.41; 95% CI, 0.24 0.69), and engaged in illegal income generating activities (AHR, 0.19; 95% CI, 0.06-0.61) were significantly less likely to report cessation of injection drug use. CONCLUSIONS: Our findings suggest that socioeconomic factors, in particular engagement in prohibited street-based and illegal income generating activities, may pose barriers to ceasing injection drug use among this population. Effort to improve access to stable and secure income, as well as employment opportunities may assist youth in transitioning away from injection drug use. TRIAL REGISTRATION: Our study is not a randomized controlled trial; thus the trial registration is not applicable. PMID- 29212503 TI - Synergistic antitumor interaction between valproic acid, capecitabine and radiotherapy in colorectal cancer: critical role of p53. AB - BACKGROUND: Recurrence with distant metastases has become the predominant pattern of failure in locally advanced rectal cancer (LARC), thus the integration of new antineoplastic agents into preoperative fluoropyrimidine-based chemo-radiotherapy represents a clinical challenge to implement an intensified therapeutic strategy. The present study examined the combination of the histone deacetylase inhibitor (HDACi) valproic acid (VPA) with fluoropyrimidine-based chemo-radiotherapy on colorectal cancer (CRC) cells. METHODS: HCT-116 (p53-wild type), HCT-116 p53-/- (p53-null), SW620 and HT29 (p53-mutant) CRC cell lines were used to assess the antitumor interaction between VPA and capecitabine metabolite 5'-deoxy-5 fluorouridine (5'-DFUR) in combination with radiotherapy and to evaluate the role of p53 in the combination treatment. Effects on proliferation, clonogenicity and apoptosis were evaluated, along with gammaH2AX foci formation as an indicator for DNA damage. RESULTS: Combined treatment with equipotent doses of VPA and 5'-DFUR resulted in synergistic effects in CRC lines expressing p53 (wild-type or mutant). In HCT-116 p53-/- cells we observed antagonist effects. Radiotherapy further potentiated the antiproliferative, pro-apoptotic and DNA damage effects induced by 5'-DFUR/VPA combination in p53 expressing cells. CONCLUSIONS: These results highlighted the role of VPA as valuable candidate to be added to preoperative chemo-radiotherapy in LARC. On these bases we launched the ongoing phase I/II study of VPA and short-course radiotherapy plus capecitabine as preoperative treatment in low-moderate risk rectal cancer (V-shoRT-R3). PMID- 29212505 TI - Do patients with schizophreniform and bipolar disorders show an intrathecal, polyspecific, antiviral immune response? A pilot study. AB - BACKGROUND: We previously described inflammatory cerebrospinal fluid (CSF) alterations in a subgroup of patients with schizophreniform disorders and the synthesis of polyspecific intrathecal antibodies against different neurotropic infectious pathogens in some patients with bipolar disorders. Consequently, we have measured the prevalence of a positive MRZ reaction (MRZR)-a marker for a polyspecific, antiviral, intrathecal, humoral immune response composed of three antibody indices for the neurotropic viruses of measles (M), rubella (R), and varicella zoster (Z)-in these patients. METHODS: We analyzed paired CSF and serum samples of 39 schizophreniform and 39 bipolar patients. For comparison, we used a group of 48 patients with other inflammatory neurological disorders (OIND) and a cohort of 203 multiple sclerosis (MS) patients. RESULTS: We found a positive MRZR in two patients with schizophreniform disorders (5.1%); both suffered from schizodepressive disorders without any other signs suggestive of MS. None of the bipolar patients (0%) and four members of the OIND group (8.3%) showed a positive MRZR. In the MS cohort, a positive MRZR was found significantly more frequently [in 99 patients (48.8%)] than in the other patient groups (p > 0.001). In summary, we did not find a positive MRZR in a relevant subgroup of patients with schizophreniform or bipolar disorders. CONCLUSIONS: Our results indicate that the MRZR is highly specific to MS. Nevertheless, two schizodepressive patients also had a positive MRZR. This finding corresponds to the few MRZR-positive patients with OIND or other autoimmune disorders with central nervous involvement, implicating that the MRZR specificity for MS is high, but not 100%. PMID- 29212506 TI - Chromosome 9p copy number gains involving PD-L1 are associated with a specific proliferation and immune-modulating gene expression program active across major cancer types. AB - BACKGROUND: Inhibition of the PD-L1/PD-1 immune checkpoint axis represents one of the most promising approaches of immunotherapy for various cancer types. However, immune checkpoint inhibition is successful only in subpopulations of patients emphasizing the need for powerful biomarkers that adequately reflect the complex interaction between the tumor and the immune system. Recently, recurrent copy number gains (CNG) in chromosome 9p involving PD-L1 were detected in many cancer types including lung cancer, melanoma, bladder cancer, head and neck cancer, cervical cancer, soft tissue sarcoma, prostate cancer, gastric cancer, ovarian cancer, and triple-negative breast cancer. METHODS: Here, we applied functional genomics to analyze global mRNA expression changes associated with chromosome 9p gains. Using the TCGA data set, we identified a list of 75 genes that were strongly up-regulated in tumors with chromosome 9p gains across many cancer types. RESULTS: As expected, the gene set was enriched for chromosome 9p and in particular chromosome 9p24 (36 genes and 23 genes). Furthermore, we found enrichment of two expression programs derived from genes within and beyond 9p: one implicated in cell cycle regulation (22 genes) and the other implicated in modulation of the immune system (16 genes). Among these were specific cytokines and chemokines, e.g. CCL4, CCL8, CXCL10, CXCL11, other immunoregulatory genes such as IFN-G and IDO1 as well as highly expressed proliferation-related kinases and genes including PLK1, TTK, MELK and CDC20 that represent potential drug targets. CONCLUSIONS: Collectively, these data shed light on mechanisms of immune escape and stimulation of proliferation in cancer with PD-L1 CNG and highlight additional vulnerabilities that may be therapeutically exploitable. PMID- 29212507 TI - Housing and overdose: an opportunity for the scale-up of overdose prevention interventions? AB - BACKGROUND: North America is currently experiencing an overdose epidemic due to a significant increase of fentanyl-adulterated opioids and related analogs. Multiple jurisdictions have declared a public health emergency given the increasing number of overdose deaths. In the province of British Columbia (BC) in Canada, people who use drugs and who are unstably housed are disproportionately affected by a rising overdose crisis, with close to 90% of overdose deaths occurring indoors. Despite this alarming number, overdose prevention and response interventions have yet to be widely implemented in a range of housing settings. OVERDOSE PREVENTION INTERVENTIONS: There are few examples of overdose prevention interventions in housing environments. In BC, for example, there are peer-led naloxone training and distribution programs targeted at some housing environments. There are also "supervised" spaces such as overdose prevention sites (similar to supervised consumption sites (SCS)) located in some housing environments; however, their coverage remains limited and the impacts of these programs are unclear due to the lack of evaluation work undertaken to date. A small number of SCS exist globally in housing environments (e.g., Germany), but like overdose prevention sites in BC, little is known about the design or effectiveness, as they remain under-evaluated. CONCLUSIONS: Implementing SCS and other overdose prevention interventions across a range of housing sites provides multiple opportunities to address overdose risk and drug-related harms for marginalized people who use drugs. Given the current overdose crisis rising across North America, and the growing evidence of the relationship between housing and overdose, the continued implementation and evaluation of novel overdose prevention interventions in housing environments should be a public health priority. A failure to do so will simply perpetuate what has proven to be a devastating epidemic of preventable death. PMID- 29212508 TI - Health-related quality of life among adults with diverse rare disorders. AB - BACKGROUND: Twenty-five to 30 million Americans live with a rare disease (RD) and share challenges unique to RD. The majority of research on RDs has focused on etiology, treatment and care, while the limited health-related quality of life (HRQL) research has been restricted to single RDs, small samples, or non validated measures. This study reports HRQL among adults with diverse RDs, and compares their scores to those of the U.S. population and people with common chronic health conditions. METHODS: We conducted a cross-sectional survey of adults living in the U.S. diagnosed with any RD. Participants were recruited through RD organizations and completed the online survey between December 2016 and May 2017 (n = 1218). HRQL was assessed using the standardized Patient Reported Outcomes Measurement Information System (PROMIS). RDs were classified into categories defined by Orphanet. Means and 95% confidence intervals were calculated for the main sample and for RD categories and were compared to published U.S. population norms and common chronic disease norms. Intercorrelations were conducted between HRQL, demographics, and RD experiences. RESULTS: When compared to the norms for the U.S. population and for those with common chronic diseases, mean HRQL scores were significantly poorer across all six PROMIS domains for the main sample, and were usually poorer when analyzed by sub-sets of specific RD classifications. People with rare systemic and rheumatologic, neurological, and immune diseases had the poorest HRQL. Participants had poorer HRQL if they had multiple RDs, lower income, were female, or older. Having symptoms longer was associated with worse HRQL, however, having a formal diagnosis longer was associated with better HRQL. CONCLUSIONS: This study is the first to examine HRQL in a large, heterogeneous sample of RDs using validated measures. There is a significant disparity in HRQL among people with RD compared to the general population and people with common chronic diseases. Poor HRQL could be attributed to challenges accessing diagnoses, medical information, treatment, psychosocial support, and coping with stigma and uncertainty. As most individuals with RDs will not be cured in their lifetimes, identifying ways to improve HRQL is crucial to patient-centered care and should be a funding priority. PMID- 29212509 TI - Incremental cost and cost-effectiveness of low-dose, high-frequency training in basic emergency obstetric and newborn care as compared to status quo: part of a cluster-randomized training intervention evaluation in Ghana. AB - BACKGROUND: Low-dose, high-frequency (LDHF) training is a new approach best practices to improve clinical knowledge, build and retain competency, and transfer skills into practice after training. LDHF training in Ghana is an opportunity to build health workforce capacity in critical areas of maternal and newborn health and translate improved capacity into better health outcomes. METHODS: This study examined the costs of an LDHF training approach for basic emergency obstetric and newborn care and calculates the incremental cost effectiveness of the LDHF training program for health outcomes of newborn survival, compared to the status quo alternative of no training. The costs of LDHF were compared to costs of traditional workshop-based training per provider trained. Retrospective program cost analysis with activity-based costing was used to measure all resources of the LDHF training program over a 3-year analytic time horizon. Economic costs were estimated from financial records, informant interviews, and regional market prices. Health effects from the program's impact evaluation were used to model lives saved and disability-adjusted life years (DALYs) averted. Uncertainty analysis included one-way and probabilistic sensitivity analysis to explore incremental cost-effectiveness results when fluctuating key parameters. RESULTS: For the 40 health facilities included in the evaluation, the total LDHF training cost was $823,134. During the follow-up period after the first LDHF training-1 year at each participating facility approximately 544 lives were saved. With deterministic calculation, these findings translate to $1497.77 per life saved or $53.07 per DALY averted. Probabilistic sensitivity analysis, with mean incremental cost-effectiveness ratio of $54.79 per DALY averted ($24.42-$107.01), suggests the LDHF training program as compared to no training has 100% probability of being cost-effective above a willingness to pay threshold of $1480, Ghana's gross national income per capita in 2015. CONCLUSION: This study provides insight into the investment of LDHF training and value for money of this approach to training in-service providers on basic emergency obstetric and newborn care. The LDHF training approach should be considered for expansion in Ghana and integrated into existing in-service training programs and health system organizational structures for lower cost and more efficiency at scale. PMID- 29212510 TI - Factors affecting treatment outcome in patients with idiopathic nonspecific interstitial pneumonia: a nationwide cohort study. AB - BACKGROUND: The effects of corticosteroid-based therapy in patients with idiopathic nonspecific interstitial pneumonia (iNSIP), and factors affecting treatment outcome, are not fully understood. We aimed to investigate the long term treatment response and factors affecting the treatment outcome in iNSIP patients from a multi-center study in Korea. METHODS: The Korean interstitial lung disease (ILD) Study Group surveyed ILD patients from 2003 to 2007. Patients were divided into two groups to compare the treatment response: response group (forced vital capacity (FVC) improves >=10% after 1 year) and non-response group (FVC <10%). Factors affecting treatment response were evaluated by multivariate logistic regression analysis. RESULTS: A total of 261 patients with iNSIP were enrolled, and 95 patients were followed-up for more than 1 year. Corticosteroid treatment was performed in 86 patients. The treatment group showed a significant improvement in lung function after 1-year: FVC, 10.0%; forced expiratory volume (FEV1), 9.8%; diffusing capacity of the lung for carbon monoxide (DLco), 8.4% (p < 0.001). Sero-negative anti-nuclear antibody (ANA) was significantly related with lung function improvement. Sero-positivity ANA was significantly lower in the response group (p = 0.013), compared to that in the non-response group. A shorter duration of respiratory symptoms at diagnosis was significantly associated with a good response to treatment (p = 0.018). CONCLUSION: Treatment with corticosteroids and/or immunosuppressants improved lung function in iNSIP patients, which was more pronounced in sero-negative ANA and shorter symptom duration patients. These findings suggest that early treatment should be considered in iNSIP patients, even in an early disease stage. PMID- 29212511 TI - Comparing the Chinese versions of two knee-specific questionnaires (IKDC and KOOS): reliability, validity, and responsiveness. AB - BACKGROUND: The International Knee Documentation Committee Subjective Knee Form (IKDC) and the Knee Injury and Osteoarthritis Outcome Score (KOOS) are knee specific questionnaires that have been widely used and translated into numerous languages. However, the differences in the psychometric properties between the Chinese IKDC and KOOS remain unclear. The purpose of this study was to conduct a cross-cultural adaptation of the Chinese IKDC and Chinese KOOS and to compare the psychometric properties of these two measures in patients with various knee injuries from the acute stage up to 12 weeks after receiving treatment. METHODS: The original IKDC and KOOS were translated into Chinese based on the guidelines of cross-cultural adaptation and translation protocols. One hundred and seventy three patients with various knee injuries were recruited in this study and completed both Chinese IKDC and Chinese KOOS as well as a generic health status questionnaire (Chinese Short Form-36 [SF-36]). The reliability, internal consistency, content validity, convergent and divergent validity and responsiveness of both IKDC and KOOS were assessed with appropriate indices. RESULTS: The Chinese IKDC showed excellent reliability (ICC = 0.97) and strong internal consistency (Cronbach alpha = 0.87). The Chinese KOOS also presented good reliability with ICCs ranging from 0.89 to 0.95 and internal consistency (Cronbach alpha coefficients ranging from 0.76 to 0.97). The content validity of these two questionnaires were excellent, yielding no floor or ceiling effects. Both the Chinese IKDC and KOOS were highly associated with the physical component summary (PCS) score and weakly related to the mental component summary (MCS) score of the SF-36. Responsiveness to change was large (effect size =0.95) for the Chinese IKDC and moderate (effect sizes = 0.49~0.60) at 12-week after physical therapy. CONCLUSION: Both the Chinese IKDC and KOOS demonstrated good psychometric properties. However, the Chinese IKDC was more sensitive to changes over a period of 2, 4, 8, 12 weeks of physical therapy than the Chinese KOOS. The ROC analyses revealed a value of area under the curve (0.83 for the Chinese IKDC and 0.67-0.79 for the subscales of Chinese KOOS). Minimal clinically important difference values were 9.8 for the Chinese IKDC and 0.79, 0.76, 0.76, 0.76, 0.67 for the Symptoms, Pain, Activities of Daily Living, Sport/Recreation, and Quality of Life subscales of Chinese KOOS, respectively. The current study provides information for clinicians and researchers to use these appraisal tools for Chinese-speaking patients with various knee disorders. PMID- 29212512 TI - Correction to: Parma consensus statement on metabolic disruptors. AB - CORRECTION: After publication of the article [1], it has been brought to our attention that the thirteenth author of this article has had their name spelt incorrectly. In the original article the spelling "Laura Rizzir" was used. In fact the correct spelling should be "Laura Rizzi". PMID- 29212514 TI - Correction to: Characterization of skin function associated with obesity and specific correlation to local/systemic parameters in American women. AB - Following publication of the original article [1], the authors identified an error. In the description in Fig. 1b the "solid line" "dashed line" should be exchanged. The original article has been updated. PMID- 29212513 TI - Cardiac amyloidosis is prevalent in older patients with aortic stenosis and carries worse prognosis. AB - BACKGROUND: Non-invasive cardiac imaging allows detection of cardiac amyloidosis (CA) in patients with aortic stenosis (AS). Our objective was to estimate the prevalence of clinically suspected CA in patients with moderate and severe AS referred for cardiovascular magnetic resonance (CMR) in age and gender categories, and assess associations between AS-CA and all-cause mortality. METHODS: We retrospectively identified consecutive AS patients defined by echocardiography referred for further CMR assessment of valvular, myocardial, and aortic disease. CMR identified CA based on typical late-gadolinium enhancement (LGE) patterns, and ancillary clinical evaluation identified suspected CA. Survival analysis with the Log rank test and Cox regression compared associations between CA and mortality. RESULTS: There were 113 patients (median age 74 years, Q1-Q3: 62-82 years), 96 (85%) with severe AS. Suspected CA was present in 9 patients (8%) all > 80 years. Among those over the median age of 74 years, the prevalence of CA was 9/57 (16%), and excluding women, the prevalence was 8/25 (32%). Low-flow, low-gradient physiology was very common in CA (7/9 patients or 78%). Over a median follow-up of 18 months, 40 deaths (35%) occurred. Mortality in AS + CA patients was higher than AS alone (56% vs. 20% at 1-year, log rank 15.0, P < 0.0001). Adjusting for aortic valve replacement modeled as a time dependent covariate, Society of Thoracic Surgery predicted risk of mortality, left ventricular ejection fraction, CA remained associated with all-cause mortality (HR = 2.92, 95% CI = 1.09-7.86, P = 0.03). CONCLUSIONS: Suspected CA appears prevalent among older male patients with AS, especially with low flow, low gradient AS, and associates with all-cause mortality. The importance of screening for CA in older AS patients and optimal treatment strategies in those with CA warrant further investigation, especially in the era of transcatheter aortic valve implantation. PMID- 29212515 TI - Psychometric properties of morning joint stiffness duration and severity measures in patients with moderately to severely active rheumatoid arthritis. AB - BACKGROUND: To assess the measurement properties of two single-item patient reported outcome (PRO) measures that assessed the length of time (in minutes) and severity of morning joint stiffness (MJS) experienced each day. METHODS: Data from two Phase 3, randomized placebo-controlled (and active-controlled [RA BEAM]), clinical studies assessing the safety and efficacy of baricitinib in adults with moderately to severely active rheumatoid arthritis (RA) were used to evaluate the psychometric properties of the Duration of MJS and Severity of MJS PROs. RESULTS: Test-retest reliability of Duration of MJS and Severity of MJS was supported through large intraclass correlation coefficients among stable patients (coefficient range for both studies: 0.88 to 0.93). In support of construct validity, moderate correlations were evidenced between Duration of MJS and other related patient- and clinician-reported assessments of RA symptoms and patient functioning, whereas moderate-to-strong correlations were evidenced between these same patient- and clinician-reported assessments and Severity of MJS. Statistically significant differences between the median and mean values of Duration of MJS and Severity of MJS for differing categories of RA disease severity supported known-groups validity. Finally, large and statistically significant differences in change scores from Day 1 to Week 12 for patients defined as responders versus non-responders using the American College of Rheumatology 20 criteria supported the responsiveness of both PROs. CONCLUSION: Duration of MJS and Severity of MJS PROs demonstrated reliability, validity, and responsiveness in adults with moderately to severely active RA, supporting the measurement of these key symptoms in clinical trials. PMID- 29212516 TI - A finite element model of the lower limb during stance phase of gait cycle including the muscle forces. AB - BACKGROUND: Results of finite element (FE) analyses can give insight into musculoskeletal diseases if physiological boundary conditions, which include the muscle forces during specific activities of daily life, are considered in the FE modelling. So far, many simplifications of the boundary conditions are currently made. This study presents an approach for FE modelling of the lower limb for which muscle forces were included. METHODS: The stance phase of normal gait was simulated. Muscle forces were calculated using a musculoskeletal rigid body (RB) model of the human body, and were subsequently applied to a FE model of the lower limb. It was shown that the inertial forces are negligible during the stance phase of normal gait. The contact surfaces between the parts within the knee were modelled as bonded. Weak springs were attached to the distal tibia for numerical reasons. RESULTS: Hip joint reaction forces from the RB model and those from the FE model were similar in magnitude with relative differences less than 16%. The forces of the weak spring were negligible compared to the applied muscle forces. The maximal strain was 0.23% in the proximal region of the femoral diaphysis and 1.7% in the contact zone between the tibia and the fibula. CONCLUSIONS: The presented approach based on FE modelling by including muscle forces from inverse dynamic analysis of musculoskeletal RB model can be used to perform analyses of the lower limb with very realistic boundary conditions. In the present form, this model can be used to better understand the loading, stresses and strains of bones in the knee area and hence to analyse osteotomy fixation devices. PMID- 29212517 TI - Is hematoxylin-eosin staining in rectal mucosal and submucosal biopsies still useful for the diagnosis of Hirschsprung disease? AB - BACKGROUND: Hematoxylin-eosin (HE) staining of a full-thickness rectal wall fragment is classically used for the diagnosis of Hirschsprung disease (HD). However, this technique requires large fragments for a better diagnosis. Additionally, the histochemical and immunohistochemical methods of staining small fragments of rectal mucosal and submucosal biopsies are not available in all centers. Therefore, the possibility of diagnosing HD through HE staining in these biopsies could be a valuable alternative for centers that do not have more specific techniques. The objectives of the current investigation were to evaluate the concordance of the results obtained by HE staining and the calretinin method with acetylcholinesterase (AChE) activity in fragments of mucosa and submucosa in the diagnosis of HD. METHODS: For this study, 50 cases from our laboratory were selected. The tissue material was embedded in paraffin. Sixty levels of each fragment were utilized for HE, and the other 3 levels were used for calretinin. These slides were analyzed under the microscope, photographed and classified as either positive for HD when no ganglion cells were found with nerve trunks present or as negative when ganglion cells were found. The results from reading the slides were compared with those of AChE. RESULTS: Of the 50 cases evaluated by the HE technique, only 5 contradicted the diagnosis based on AChE, with a Kappa value of 0.800 and an accuracy of 90%. In the comparison between calretinin and AChE, 8 cases were discordant, with a Kappa value of 0.676 and an accuracy of 84%. CONCLUSIONS: The concordance of results from AChE and HE methods was satisfactory, allowing for the potential use of the HE method for fragments of mucosa and submucosa as a valid alternative in the diagnosis of HD. The immunohistochemical technique of calretinin did not show good agreement with the AChE activity in our study. PMID- 29212518 TI - Effect of low and high HDL-C levels on the prognosis of lupus nephritis patients: a prospective cohort study. AB - BACKGROUND: Few data has been available on the effect of serum HDL-C levels on the prognosis of lupus nephritis (LN) patients. The present study therefore aimed to explore the effect of serum HDL-C levels on LN patients. METHODS: We included 775 patients with follow-up information registered in an LN database between 1 January 2006 and 31 December 2011. The patients were divided into groups with low, intermediate and high HDL-C, according to NCEP ATPIII criteria. Cox regression analyses were used to explore the effects of HDL-C levels on end-stage renal disease (ESRD), all-cause mortality and cardiovascular disease (CVD) mortality. RESULTS: During a median follow-up of 56 months (3-206 months), 71 (9.2%) had ESRD. 84 (10.8%) deaths occurred, 17 (20.2%) of which were due to CVD. There was no statistically significant association of HDL-C category or continuous HDL-C levels with ESRD in the total cohort, but in subgroup analyses by eGFR, with each 0.1 mmol/L increase in HDL-C level, adjusted HRs for ESRD were 0.92 (95% CI: 0.83-1.04, P = 0.173) for eGFR >=60 ml/min/1.73m2 and 1.11 (95% CI: 1.01-1.23, P = 0.036) for eGFR <60 ml/min/1.73m2. The effect of the interaction between eGFR category and serum HDL-C level on ESRD was statistically significant (beta = -1.738, P = 0.005). Low HDL-C was associated with all-cause mortality (HR = 2.16, 95% CI: 1.06-4.40, P = 0.033) with intermediate HDL-C as reference category after adjusting for several variables. CONCLUSIONS: Our results demonstrate that high HDL-C levels were associated with increased risk of ESRD in LN patients with advanced renal dysfunction. While low HDL-C levels were associated with increased risk of all-cause mortality in LN patients. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03001973 , 22 December 2016 retrospectively registered. PMID- 29212519 TI - GPER mediates the angiocrine actions induced by IGF1 through the HIF-1alpha/VEGF pathway in the breast tumor microenvironment. AB - BACKGROUND: The G protein estrogen receptor GPER/GPR30 mediates estrogen action in breast cancer cells as well as in breast cancer-associated fibroblasts (CAFs), which are key components of microenvironment driving tumor progression. GPER is a transcriptional target of hypoxia inducible factor 1 alpha (HIF-1alpha) and activates VEGF expression and angiogenesis in hypoxic breast tumor microenvironment. Furthermore, IGF1/IGF1R signaling, which has angiogenic effects, has been shown to activate GPER in breast cancer cells. METHODS: We analyzed gene expression data from published studies representing almost 5000 breast cancer patients to investigate whether GPER and IGF1 signaling establish an angiocrine gene signature in breast cancer patients. Next, we used GPER positive but estrogen receptor (ER)-negative primary CAF cells derived from patient breast tumours and SKBR3 breast cancer cells to investigate the role of GPER in the regulation of VEGF expression and angiogenesis triggered by IGF1. We performed gene expression and promoter studies, western blotting and immunofluorescence analysis, gene silencing strategies and endothelial tube formation assays to evaluate the involvement of the HIF-1alpha/GPER/VEGF signaling in the biological responses to IGF1. RESULTS: We first determined that GPER is co-expressed with IGF1R and with the vessel marker CD34 in human breast tumors (n = 4972). Next, we determined that IGF1/IGF1R signaling engages the ERK1/2 and AKT transduction pathways to induce the expression of HIF-1alpha and its targets GPER and VEGF. We found that a functional cooperation between HIF 1alpha and GPER is essential for the transcriptional activation of VEGF induced by IGF1. Finally, using conditioned medium from CAFs and SKBR3 cells stimulated with IGF1, we established that HIF-1alpha and GPER are both required for VEGF induced human vascular endothelial cell tube formation. CONCLUSIONS: These findings shed new light on the essential role played by GPER in IGF1/IGF1R signaling that induces breast tumor angiogenesis. Targeting the multifaceted interactions between cancer cells and tumor microenvironment involving both GPCRs and growth factor receptors has potential in future combination anticancer therapies. PMID- 29212520 TI - The relationship between human leukocyte antigen-DP/DQ gene polymorphisms and the outcomes of HCV infection in a Chinese population. AB - BACKGROUND: Recently, human leukocyte antigen (HLA) class-II gene polymorphisms have been reported to be related to Hepatitis C virus (HCV) infection and chronicity. The objective of this study was to explore the relationship of HLA-DP rs9277535 and HLA-DQ rs7453920 with the outcomes of HCV infection. METHODS: The rs9277535 and rs7453920 were genotyped in 370 subjects with chronic HCV infection, 194 subjects with spontaneous HCV clearance, and 973 subjects with non HCV infection from the Chinese population using the ABI TaqMan allelic discrimination assay. RESULTS: Logistic regression analyses showed that the minor allele A of rs7453920 significantly increased the susceptibility of HCV infection in dominant model (adjusted OR = 1.33, 95% CI: 1.04-1.71, P = 0.026) and additive models (adjusted OR = 1.30, 95% CI: 1.06-1.60, P = 0.012). Rs9277535 A allele significantly increased the risk of chronic HCV infection in dominant model (adjusted OR = 1.52, 95% CI: 1.01-2.28, P = 0.046). Haplotype AA showed a higher risk of HCV infection than the most frequent haplotype GG (adjusted OR = 1.37, 95% CI: 1.05-1.78, P = 0.018). CONCLUSION: The HLA-DQ rs7453920 and -DP rs9277535 mutations were significantly associated with HCV infection susceptibility and chronicity, respectively. PMID- 29212521 TI - Prognostic factors of nasopharyngeal carcinoma patients in a tertiary referral hospital: a retrospective cohort study. AB - BACKGROUND: Nasopharyngeal carcinoma (NPC) exhibits a distinctive racial and geographic distribution. Many studies have reported varied significant prognostic factors affect the survival of NPC patients. Hence, this current study aimed to identify the prognostic factors of NPC patients registered in a tertiary referral hospital. METHODS: The records of one hundred and thirty-four NPC cases confirmed by histopathology in Hospital Universiti Sains Malaysia (USM) between 1st January 1998 and 31st December 2007 that fulfilled the inclusion and exclusion criteria were retrospectively reviewed. Simple and multiple Cox proportional hazard regression analyses were performed to determine the significant prognostic factors affect the survival of NPC patients. RESULTS: The mean (SD) age of patients diagnosed with NPC was 48.12 (15.88) years with Malay was the largest ethnic group compared to other ethnicities. Most of patients had locally advanced stage IV (40.6%) and stage III (39.1%) of NPC. The overall median survival time of NPC patients was 31.30 months (95% CI 23.76, 38.84). The significant prognostic factors that influenced the survival of NPC patients were older age (HR 1.03, 95% CI 1.01, 1.04), metastases (HR 2.52, 95% CI 1.01, 6.28) and stage IV disease (HR 4.50, 95% CI 1.66, 9.88). CONCLUSION: Older age, the presence of metastases and late stage are significant prognostic factors that influence the survival of NPC. Therefore, it is important to provide education to public and to raise awareness to diagnose NPC at an earlier stage and before the presence of metastases. PMID- 29212522 TI - A systematic review of neonatal treatment intensity scores and their potential application in low-resource setting hospitals for predicting mortality, morbidity and estimating resource use. AB - BACKGROUND: Treatment intensity scores can predict mortality and estimate resource use. They may therefore be of interest for essential neonatal care in low resource settings where neonatal mortality remains high. We sought to systematically review neonatal treatment intensity scores to (1) assess the level of evidence on predictive performance in predicting clinical outcomes and estimating resource utilisation and (2) assess the applicability of the identified models to decision making for neonatal care in low resource settings. METHODS: We conducted a systematic search of PubMed, EMBASE (OVID), CINAHL, Global Health Library (Global index, WHO) and Google Scholar to identify studies published up until 21 December 2016. Included were all articles that used treatments as predictors in neonatal models. Individual studies were appraised using the CHecklist for critical Appraisal and data extraction for systematic Reviews of prediction Modelling Studies (CHARMS). In addition, Grading of Recommendations Assessment, Development, and Evaluation (GRADE) was used as a guiding framework to assess certainty in the evidence for predicting outcomes across studies. RESULTS: Three thousand two hundred forty-nine articles were screened, of which ten articles were included in the review. All of the studies were conducted in neonatal intensive care units with sample sizes ranging from 22 to 9978, with a median of 163. Two articles reported model development, while eight reported external application of existing models to new populations. Meta analysis was not possible due heterogeneity in the conduct and reporting of the identified studies. Discrimination as assessed by area under receiver operating characteristic curve was reported for in-hospital mortality, median 0.84 (range 0.75-0.96, three studies), early adverse outcome and late adverse outcome (0.78 and 0.59, respectively, one study). CONCLUSION: Existing neonatal treatment intensity models show promise in predicting mortality and morbidity. There is however low certainty in the evidence on their performance in essential neonatal care in low resource settings as all studies had methodological limitations and were conducted in intensive care. The approach may however be developed further for low resource settings like Kenya because treatment data may be easier to obtain compared to measures of physiological status. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42016034205. PMID- 29212523 TI - Relationship between maximum oxygen uptake and peripheral vasoconstriction in a cold environment. AB - BACKGROUND: Various individual characteristics affect environmental adaptability of a human. The present study evaluates the relationship between physical fitness and peripheral vasoconstriction in a cold environment. METHODS: Seven healthy male students (aged 22.0 years) participated in this study. Cold exposure tests consisted of supine rest for 60 min at 28 degrees C followed by 90 min at 10 degrees C. Rectal and skin temperatures at seven sites, oxygen consumption, and the diameter of a finger vein were measured during the experiment. Metabolic heat production, skin heat conductance, and the rate of vasoconstriction were calculated. Individual maximum oxygen consumption, a direct index of aerobic fitness, was measured on the day following the cold exposure test. RESULTS: Decreases in temperature of the hand negatively correlated with the changes in rectal temperature. Maximum oxygen consumption and the rate of vasoconstriction are positively correlated. Furthermore, pairs of the following three factors are also significantly correlated: rate of metabolic heat production, skin heat conductance, and the rate of vasoconstriction. CONCLUSION: The results of this study suggested that the capacity for peripheral vasoconstriction can be improved by physical exercise. Furthermore, when exposed to a cold environment, fitter individuals could maintain metabolic heat production at the resting metabolic level of a thermoneutral condition, as they correspondingly lost less heat. PMID- 29212524 TI - Successful management of retinal metastasis from renal cancer with everolimus in a monophthalmic patient: a case report. AB - BACKGROUND: The retina is an uncommon site for metastases, in particular from solid tumors. Some authors have reported a recent increase in the incidence of metastases in infrequent sites, such as brain or bone, probably due to the expanded treatment options and the resulting improved survival. Choroidal metastasis is the most common type of intraocular malignancy. The most common primary sites associated with choroidal metastasis are breast cancer in women and lung cancer in men. Treatment options are limited, but they must be discussed and adapted to the patient profile. CASES PRESENTATION: We report a case of a 62-year old Moroccan man with a history of monophthalmitis secondary to a war injury of 30 years' duration. He has been followed for 28 months for metastatic clear-cell renal carcinoma. The first-line treatment was effective for 24 months, before disease progression as retinal metastasis and accentuation of lung metastases. A second-line treatment with everolimus resulted in marked improvement of symptoms, complete recovery of visual function, and partial response in retinal localization. CONCLUSIONS: Choroidal metastasis of renal cancer is a rare situation that must be actively sought in order to arrive at a suitable therapeutic approach. PMID- 29212525 TI - Establishing and characterizing patient-derived xenografts using pre-chemotherapy percutaneous biopsy and post-chemotherapy surgical samples from a prospective neoadjuvant breast cancer study. AB - BACKGROUND: Patient-derived xenografts (PDXs) are increasingly used in cancer research as a tool to inform cancer biology and drug response. Most available breast cancer PDXs have been generated in the metastatic setting. However, in the setting of operable breast cancer, PDX models both sensitive and resistant to chemotherapy are needed for drug development and prospective data are lacking regarding the clinical and molecular characteristics associated with PDX take rate in this setting. METHODS: The Breast Cancer Genome Guided Therapy Study (BEAUTY) is a prospective neoadjuvant chemotherapy (NAC) trial of stage I-III breast cancer patients treated with neoadjuvant weekly taxane+/-trastuzumab followed by anthracycline-based chemotherapy. Using percutaneous tumor biopsies (PTB), we established and characterized PDXs from both primary (untreated) and residual (treated) tumors. Tumor take rate was defined as percent of patients with the development of at least one stably transplantable (passed at least for four generations) xenograft that was pathologically confirmed as breast cancer. RESULTS: Baseline PTB samples from 113 women were implanted with an overall take rate of 27.4% (31/113). By clinical subtype, the take rate was 51.3% (20/39) in triple negative (TN) breast cancer, 26.5% (9/34) in HER2+, 5.0% (2/40) in luminal B and 0% (0/3) in luminal A. The take rate for those with pCR did not differ from those with residual disease in TN (p = 0.999) and HER2+ (p = 0.2401) tumors. The xenografts from 28 of these 31 patients were such that at least one of the xenografts generated had the same molecular subtype as the patient. Among the 35 patients with residual tumor after NAC adequate for implantation, the take rate was 17.1%. PDX response to paclitaxel mirrored the patients' clinical response in all eight PDX tested. CONCLUSIONS: The generation of PDX models both sensitive and resistant to standard NAC is feasible and these models exhibit similar biological and drug response characteristics as the patients' primary tumors. Taken together, these models may be useful for biomarker discovery and future drug development. PMID- 29212526 TI - Structural and functional annotation of hypothetical proteins of human adenovirus: prioritizing the novel drug targets. AB - OBJECTIVE: Human adenoviruses are small double stranded DNA viruses that provoke vast array of human diseases. Next generation sequencing techniques increase genomic data of HAdV rapidly, which increase their serotypes. The complete genome sequence of human adenovirus shows that it contains large amount of proteins with unknown cellular or biochemical function, known as hypothetical proteins. Hence, it is indispensable to functionally and structurally annotate these proteins to get better understanding of the novel drug targets. The purpose was the characterization of 38 randomly retrieved hypothetical proteins through determination of their physiochemical properties, subcellular localization, function, structure and ligand binding sites using various sequence and structure based bioinformatics tools. RESULTS: Function of six hypothetical proteins P03269, P03261, P03263, Q83127, Q1L4D7 and I6LEV1 were predicted confidently and then used further for structure analysis. We found that these proteins may act as DNA terminal protein, DNA polymerase, DNA binding protein, adenovirus E3 region protein CR1 and adenoviral protein L1. Functional and structural annotation leading to detection of binding sites by means of docking analysis can indicate potential target for therapeutics to defeat adenoviral infection. PMID- 29212527 TI - Anemia is associated with incidence of dementia: a national health screening study in Korea involving 37,900 persons. AB - BACKGROUND: The aim of this study was to investigate whether anemia is associated with dementia incidence in the elderly. METHODS: Using the Korean National Health Insurance Service-National Health Screening Cohort (NHIS-HEALS) database, we identified 66-year-old subjects (n = 37,900) who were free of dementia and stroke. Anemia (hemoglobin < 12 g/dl for women and < 13 g/dl for men) and the severity of anemia (mild, moderate, or severe) were defined using World Health Organization criteria. The incidence of dementia was identified using International Classification of Diseases, Tenth Revision, dementia diagnosis codes (F00, F01, F02, F03, and G30) with prescription of an antidementia drug. Cox proportional hazards regression models were used to assess HRs for dementia incidence according to anemia. RESULTS: After adjusting for sex, baseline cognitive state, body mass index, smoking status, household income, disability, depression, hypertension, diabetes, and dyslipidemia, we found a significant association between anemia and dementia incidence (adjusted HR 1.24; 95% CI 1.02 1.51). The adjusted HRs for incidence of dementia according to the severity of anemia were 1.19 (95% CI 0.98-1.45) for those with mild anemia, 1.47 (95% CI 0.97 2.21) for those with moderate anemia, and 5.72 (95% CI 1.84-17.81) for those with severe anemia, showing a significant p value for trend (p = 0.003). CONCLUSIONS: Anemia is an independent risk factor for dementia incidence, with a marked increase of risk associated with severe anemia. PMID- 29212529 TI - Bacteriological study of calf colisepticemia in Alage Dairy Farm, Southern Ethiopia. AB - OBJECTIVE: This study was designed to estimate the prevalence of E. coli which is the main cause of colisepticemia and the potential risk factors associated with the disease. A total of 74 calves less than 6 months age were selected for this study. For isolation and identification of E. coli, bacterial culture and biochemical tests were used. RESULT: Out of 74 calves selected for this study, 6 (8.11%) were positive for septicemic E. coli. Higher prevalence of 5 (8.93%) was recorded in Holstein Friesian breed than Boran breed 1 (5.56%). However, breed showed no significant difference on E. coli infections (P > 0.05). Higher prevalence of E. coli revealed below age of 30 days (17.39%) than calves aged between 30 and 90 days (8.33%) and above 90 days (0.00%). However, statistical association showed no difference (P > 0.05). Parity showed a significant difference in prevalence of E. coli (P < 0.05) in which infection increased with number of parity. Sex of the animal showed no association with infection of the calves (P > 0.05). Diarrheic calves showed higher prevalence (33.3%) than non diarrheic calves (4.62%) with strong statistical association (P < 0.05). The present study showed a high prevalence of septicemic E. coli in the farm and intervention is strongly recommended. PMID- 29212528 TI - Effectiveness of robot-assisted training added to conventional rehabilitation in patients with humeral fracture early after surgical treatment: protocol of a randomised, controlled, multicentre trial. AB - BACKGROUND: The incidence of proximal humeral fractures increases with age. The functional recovery of the upper arm after such fractures is slow, and results are often disappointing. Treatment is associated with long immobilisation periods. Evidence-based exercise guidelines are missing. Loss of muscle mass as well as reduced range of motion and motor performance are common consequences. These losses could be partly counteracted by training interventions using robot assisted arm support of the affected arm derived from neurorehabilitation. Thus, shorter immobilisation could be reached. Thus far, this approach has been tested in only a few small studies. The aim of the present study is to examine whether assistive robotic training augmenting conventional occupational and physical therapy can improve functional shoulder outcomes. METHODS/DESIGN: Patients aged between 35 and 66 years with proximal humeral fracture and surgical treatment will be recruited at three different clinics in Germany and randomised into an intervention group and a control group. Participants will be assessed before randomisation and followed after completing an intervention period of 3 weeks and additionally after 3, 6 and 12 months. The baseline assessment will include cognition (Short Orientation-Memory-Concentration Test); level of pain in the affected arm; ability to work; gait speed (10-m walk); disability of the arm, shoulder and hand (Disabilities of the Arm, Shoulder and Hand Outcome Measure [DASH]); range of motion of the affected arm (goniometer measurement); visual acuity; and motor function of orthopaedic patients (Wolf Motor Function Test Orthopaedic version [WMFT-O]). Clinical follow-up directly after the intervention will include assessment of disability of the arm, shoulder and hand (DASH) as well as range of motion and motor function (WMFT-O). The primary outcome parameter will be the DASH, and the secondary outcome parameter will be the WMFT O. The long-term results will be assessed prospectively by postal follow-up. All patients will receive conventional occupational and physical therapy. The intervention group will receive additional robot-assisted training using the Armeo(r)Spring robot for 3 weeks. DISCUSSION: This study protocol describes a phase II, randomised, controlled, single-blind, multicentre intervention study. The results will guide and possibly improve methods of rehabilitation after proximal humeral fracture. TRIAL REGISTRATION: Clinicaltrials.gov, NCT03100201 . Registered on 28 March 2017. PMID- 29212530 TI - Identifying genotype-phenotype relationships in biomedical text. AB - BACKGROUND: One important type of information contained in biomedical research literature is the newly discovered relationships between phenotypes and genotypes. Because of the large quantity of literature, a reliable automatic system to identify this information for future curation is essential. Such a system provides important and up to date data for database construction and updating, and even text summarization. In this paper we present a machine learning method to identify these genotype-phenotype relationships. No large human-annotated corpus of genotype-phenotype relationships currently exists. So, a semi-automatic approach has been used to annotate a small labelled training set and a self-training method is proposed to annotate more sentences and enlarge the training set. RESULTS: The resulting machine-learned model was evaluated using a separate test set annotated by an expert. The results show that using only the small training set in a supervised learning method achieves good results (precision: 76.47, recall: 77.61, F-measure: 77.03) which are improved by applying a self-training method (precision: 77.70, recall: 77.84, F-measure: 77.77). CONCLUSIONS: Relationships between genotypes and phenotypes is biomedical information pivotal to the understanding of a patient's situation. Our proposed method is the first attempt to make a specialized system to identify genotype phenotype relationships in biomedical literature. We achieve good results using a small training set. To improve the results other linguistic contexts need to be explored and an appropriately enlarged training set is required. PMID- 29212531 TI - Etiology of respiratory tract infections in the community and clinic in Ilorin, Nigeria. AB - OBJECTIVE: Recognizing increasing interest in community disease surveillance globally, the goal of this study was to investigate whether respiratory viruses circulating in the community may be represented through clinical (hospital) surveillance in Nigeria. RESULTS: Children were selected via convenience sampling from communities and a tertiary care center (n = 91) during spring 2017 in Ilorin, Nigeria. Nasal swabs were collected and tested using polymerase chain reaction. The majority (79.1%) of subjects were under 6 years old, of whom 46 were infected (63.9%). A total of 33 of the 91 subjects had one or more respiratory tract virus; there were 10 cases of triple infection and 5 of quadruple. Parainfluenza virus 4, respiratory syncytial virus B and enterovirus were the most common viruses in the clinical sample; present in 93.8% (15/16) of clinical subjects, and 6.7% (5/75) of community subjects (significant difference, p < 0.001). Coronavirus OC43 was the most common virus detected in community members (13.3%, 10/75). A different strain, Coronavirus OC 229 E/NL63 was detected among subjects from the clinic (2/16) and not detected in the community. This pilot study provides evidence that data from the community can potentially represent different information than that sourced clinically, suggesting the need for community surveillance to enhance public health efforts and scientific understanding of respiratory infections. PMID- 29212532 TI - Delivery of screening and brief intervention for unhealthy alcohol use in an urban academic Federally Qualified Health Center. AB - BACKGROUND: Screening and brief intervention (SBI) for unhealthy drinking has not been widely implemented in primary care partly due to reliance on physicians to perform it. METHODS: We implemented a model of nursing staff-delivered SBI for unhealthy drinking for adult patients receiving primary care at an academically affiliated Federally Qualified Health Center in the Bronx, NY. Our model consisted of nursing staff screening all patients with the alcohol use disorders identification test consumption questions (AUDIT-C) and, if screening positive, providing BI or referral to specialty services. We developed a clinical decision support tool integrated into the electronic health record to guide nursing staff and record SBI provision. To evaluate this model, we determined overall SBI delivery to patients and factors associated with receiving SBI. RESULTS: Between October 2013 and September 2014, 9119 unique adult patients made 24,285 visits. Patients were majority women (67.5%) and Hispanic/Latino (54.5%). Overall, 46.2% were screened, with 19.0-35.8% of eligible patients screened in each month. Increasing age (OR: 0.82 [95% CI 0.80-0.85] for a 10-year increase), female sex (OR: 0.83 [95% CI 0.77-0.91]), and chronic conditions like hypertension (OR: 0.62 [95% CI 0.56-0.70]) and diabetes (OR: 0.66 [95% CI 0.58-0.75]), among others, were associated with a lower odds of being screened. Of all patients screened, 225 (5.3%) screened positive and of those patients, 122 (54.2%) received a BI. Patients with higher AUDIT-C scores were more likely to receive a BI (OR: 1.24 [95% CI 1.04-1.47] for a 1-point increase) and non-English speaking patients were less likely to receive a BI than those who spoke English (OR: 0.42 [95% CI 0.18 0.97]). CONCLUSIONS: Our model of SBI resulted in screening of nearly half of all eligible patients and BI provision to over half of those screening positive. Future efforts to improve SBI delivery should focus on groups such as older adults, women, and those with chronic medical conditions. PMID- 29212534 TI - Engaging a rural community in identifying determinants of low birth weight and deciding on measures to improve low birth weight: an experience from a Sri Lankan study. AB - BACKGROUND: Involving communities in identifying and addressing determinants of their own health is effective in addressing complex problems, such as low birth weight (LBW). LBW is an important public health problem which has not improved significantly in Sri Lanka in the last 10 years. This study reports the ability of lay persons to identify and address determinants of LBW. METHODS: A health promotion intervention was conducted among 403 mothers registering at 26 antenatal clinics in the district of Anuradhapura, in Sri Lanka. The components of a health promotion process-initiation, maintenance and continual monitoring, and re-direction towards greater effectiveness-were explained to the mothers. Inputs were initially provided through different methods to enable mothers' groups to identify determinants of LBW and to decide actions to address those identified determinants. The overall study was carried out over a period of 1 year, of which the intervention phase took around 7 months. The mothers in the clinic group were encouraged to continue an ongoing process in smaller "neighborhood action committees" (NACs)-of which there were 71. The findings are based on field notes maintained during the process, analyzed using thematic analysis. RESULTS: Each group of mothers identified at least eight determinants of LBW at the first attempt (without first author's guidance), four of which corresponded with those already mentioned in published studies. Up to five other determinants were agreed, after facilitation by the first author, at the second attempt. Of the total, 10 determinants of LBW were finally prioritized. Twenty actions to address the 10 selected prioritized determinants were agreed through a collective consensus development process. CONCLUSIONS: Lay communities successfully identified determinants of LBW and household level actions to address these, with relatively simple guidance, when stimulated to initiate the relevant process. This capacity should be nurtured and better used in interventions to improve LBW. PMID- 29212533 TI - Subtracting the sequence bias from partially digested MNase-seq data reveals a general contribution of TFIIS to nucleosome positioning. AB - BACKGROUND: TFIIS stimulates RNA cleavage by RNA polymerase II and promotes the resolution of backtracking events. TFIIS acts in the chromatin context, but its contribution to the chromatin landscape has not yet been investigated. Co transcriptional chromatin alterations include subtle changes in nucleosome positioning, like those expected to be elicited by TFIIS, which are elusive to detect. The most popular method to map nucleosomes involves intensive chromatin digestion by micrococcal nuclease (MNase). Maps based on these exhaustively digested samples miss any MNase-sensitive nucleosomes caused by transcription. In contrast, partial digestion approaches preserve such nucleosomes, but introduce noise due to MNase sequence preferences. A systematic way of correcting this bias for massively parallel sequencing experiments is still missing. RESULTS: To investigate the contribution of TFIIS to the chromatin landscape, we developed a refined nucleosome-mapping method in Saccharomyces cerevisiae. Based on partial MNase digestion and a sequence-bias correction derived from naked DNA cleavage, the refined method efficiently mapped nucleosomes in promoter regions rich in MNase-sensitive structures. The naked DNA correction was also important for mapping gene body nucleosomes, particularly in those genes whose core promoters contain a canonical TATA element. With this improved method, we analyzed the global nucleosomal changes caused by lack of TFIIS. We detected a general increase in nucleosomal fuzziness and more restricted changes in nucleosome occupancy, which concentrated in some gene categories. The TATA-containing genes were preferentially associated with decreased occupancy in gene bodies, whereas the TATA-like genes did so with increased fuzziness. The detected chromatin alterations correlated with functional defects in nascent transcription, as revealed by genomic run-on experiments. CONCLUSIONS: The combination of partial MNase digestion and naked DNA correction of the sequence bias is a precise nucleosomal mapping method that does not exclude MNase-sensitive nucleosomes. This method is useful for detecting subtle alterations in nucleosome positioning produced by lack of TFIIS. Their analysis revealed that TFIIS generally contributed to nucleosome positioning in both gene promoters and bodies. The independent effect of lack of TFIIS on nucleosome occupancy and fuzziness supports the existence of alternative chromatin dynamics during transcription elongation. PMID- 29212535 TI - Leukocytoclastic vasculitis complicating cisplatin + radiation treatment for laryngeal cancer: a case report. AB - BACKGROUND: Leukocytoclastic vasculitis is typically mediated by deposition of immune complexes and is related to many causes, including medication. To the best of our knowledge, leukocytoclastic vasculitis related to cisplatin has not yet been described in the scientific literature. CASE PRESENTATION: We report a rare case of leukocytoclastic vasculitis after the first cycle of high-dose cisplatin chemotherapy in a patient with larynx carcinoma. A 48-year-old Caucasian man with larynx carcinoma received a high-dose of cisplatin monochemotherapy (100 mg/m2 every 21 days), along with 70 Gy of radiotherapy divided into 35 sessions, as a therapeutic schedule. Twelve days after the first chemotherapy administration and after 8 sessions of radiotherapy (total of 16 Gy), the patient presented with acute onset of palpable purpura in the lower limbs. The patient was hospitalized for 10 days, and during this period, he underwent several examinations to rule out infectious, autoimmune, and neoplastic disorders. A skin biopsy showed leukocytoclastic vasculitis with a positive pattern for IgM and C3, as detected through direct immunofluorescence. Twenty-five days after cisplatin administration, the chemotherapy regimen was changed to carboplatin AUC 5, and the episodes of purpura ceased, reinforcing the hypothesis of an adverse reaction to cisplatin. CONCLUSIONS: Cisplatin can induce leukocytoclastic vasculitis and clinicians should be aware of this potential effect for better case management and diagnosis. PMID- 29212536 TI - Towards healthy learning climates in postgraduate medical education: exploring the role of hospital-wide education committees. AB - BACKGROUND: Postgraduate medical education prepares residents for delivery of high quality patient care during training as well as for later practice, which makes high quality residency training programs crucial to safeguard patient care. Healthy learning climates contribute to high quality postgraduate medical education. In several countries, modernization of postgraduate medical education has resulted in hospital-wide responsibilities for monitoring learning climates. This study investigates the association between the actions undertaken by hospital-wide education committees and learning climates in postgraduate medical education. METHODS: Research conducted in December 2010 invited 57 chairs of hospital-wide education committees to complete a questionnaire on their implemented level of quality improvement policies. We merged the survey data from 21 committees that oversaw training programs and used the Dutch Residency Educational Climate Test (D-RECT) instrument in 2012 to measure their training programs' learning climate. We used descriptive statistics and linear mixed models to analyse associations between the functioning of hospital-wide education committees and corresponding learning climates. RESULTS: In total, 812 resident evaluations for 99 training programs in 21 teaching hospitals were available for analysis. The implementation level of the internal quality management systems as adopted by the hospital-wide education committees varied from 1.6 to 2.6 on a 5 point Likert-scale (ranging from 1 (worst) to 5 (best)). No significant associations were found between the functioning of the committees and corresponding learning climates. CONCLUSIONS: The contribution of hospital-wide committees to creating healthy learning climates is yet to be demonstrated. The absence of such an association could be due to the lack of a Plan-Do-Check-Act cycle guiding the policy as implemented by the committees and the lack of involvement of departmental leadership. Insight into the impact of these strategies on learning climates will benefit the quality of postgraduate medical education and, hopefully, patient care. PMID- 29212537 TI - Association of ARMS2 genotype with response to anti-vascular endothelial growth factor treatment in polypoidal choroidal vasculopathy. AB - BACKGROUND: To investigate whether genetic risk variants for age-related macular degeneration (AMD) are associated with response to intravitreal anti-vascular endothelial growth factor (VEGF) in polypoidal choroidal vasculopathy (PCV) patients. METHODS: This prospective cohort study included 95 treatment-naive patients that underwent anti-VEGF treatment for PCV for 12 months. Patients were genotyped for 10 single nucleotide polymorphisms in eight AMD-relevant genes. Genotypic association with visual and anatomic outcome measures at 12 months after initial treatment, including mean change in best-corrected visual acuity (BCVA) and total foveal thickness, visual gain of >= 15 letters, dry status on optical coherence tomography (OCT), pigment epithelial detachment (PED) regression on OCT, polyp regression on indocyanine green angiography, and injection numbers, were investigated using regression models with adjustment for non-genetic covariates under additive genetic model. RESULTS: In 81 patients who completed 12-month anti-VEGF monotherapy without photodynamic therapy, significant pharmacogenetic association was found between ARMS2 rs10490924 and PED regression on OCT. Proportions of PED regression were 26.4% for TT, 45.7% for TG, and 63.6% for GG genotype, showing additive effect of G allele for higher chance of PED regression (OR, 2.96; 95% CI, 1.38-6.36; corrected P = 0.043). For entire 95 patients, no significant association was found between candidate polymorphisms and receiving photodynamic therapy within 12 months. CONCLUSIONS: In PCV patients, ARMS2 rs10490924 showed association with anatomic therapeutic response to anti-VEGF, suggesting pharmacogenetic relationship. PMID- 29212538 TI - A pilot investigation of audiovisual processing and multisensory integration in patients with inherited retinal dystrophies. AB - BACKGROUND: In this study, we examined audiovisual (AV) processing in normal and visually impaired individuals who exhibit partial loss of vision due to inherited retinal dystrophies (IRDs). METHODS: Two groups were analyzed for this pilot study: Group 1 was composed of IRD participants: two with autosomal dominant retinitis pigmentosa (RP), two with autosomal recessive cone-rod dystrophy (CORD), and two with the related complex disorder, Bardet-Biedl syndrome (BBS); Group 2 was composed of 15 non-IRD participants (controls). Audiovisual looming and receding stimuli (conveying perceptual motion) were used to assess the cortical processing and integration of unimodal (A or V) and multimodal (AV) sensory cues. Electroencephalography (EEG) was used to simultaneously resolve the temporal and spatial characteristics of AV processing and assess differences in neural responses between groups. Measurement of AV integration was accomplished via quantification of the EEG's spectral power and event-related brain potentials (ERPs). RESULTS: Results show that IRD individuals exhibit reduced AV integration for concurrent audio and visual (AV) stimuli but increased brain activity during the unimodal A (but not V) presentation. This was corroborated in behavioral responses, where IRD patients showed slower and less accurate judgments of AV and V stimuli but more accurate responses in the A-alone condition. CONCLUSIONS: Collectively, our findings imply a neural compensation from auditory sensory brain areas due to visual deprivation. PMID- 29212539 TI - The relationships between the combination of person- and organization-related conditions and patients' perceptions of palliative care quality. AB - BACKGROUND: Little is known about the combination of person- and organization- related conditions and the relationships with patients' perspectives of care quality. Such a combination could contribute knowledge reflecting the complexity of clinical practice, and enhance individualized care. The aim was to investigate the relationships between the combination of person- and organization-related conditions and patients' perceptions of palliative care quality. METHODS: A cross sectional study, including 191 patients in the late palliative phase (73% response rate) admitted to hospice inpatient care (n = 72), hospice day care (n = 51), palliative units in nursing homes (n = 30) and home care (n = 38), was conducted between November 2013 and December 2014, using the instrument Quality from the Patients' Perspective specific to palliative care (QPP-PC). Data were analysed, using analysis of covariance, to explore the amount of the variance in the dependent variables (QPP-PC) that could be explained by combination of the independent variables - Person- and organization-related conditions, - while controlling for differences in covariates. RESULTS: Patients scored the care received and the subjective importance as moderate to high. The combination of person- and organization - related conditions revealed that patients with a high sense of coherence, lower age (person - related conditions) and being in a ward with access to and availability of physicians (organization-related condition) might be associated with significantly higher scores for the quality of care received. Gender (women), daily contact with family and friends, and low health related quality of life (person-related conditions) might be associated with higher scores for subjective importance of the aspects of care quality. CONCLUSION: Healthcare personnel, leaders and policy makers need to pay attention to person- and organization-related conditions in order to provide person centered palliative care of high quality. Further studies from palliative care contexts are needed to confirm the findings and to investigate additional organizational factors that might influence patients' perceptions of care quality. PMID- 29212540 TI - Dorsal spine evolution in threespine sticklebacks via a splicing change in MSX2A. AB - BACKGROUND: Dorsal spine reduction in threespine sticklebacks (Gasterosteus aculeatus) is a classic example of recurrent skeletal evolution in nature. Sticklebacks in marine environments typically have long spines that form part of their skeletal armor. Many derived freshwater populations have evolved shorter spines. Changes in spine length are controlled in part by a quantitative trait locus (QTL) previously mapped to chromosome 4, but the causative gene and mutations underlying the repeated evolution of this interesting skeletal trait have not been identified. RESULTS: Refined mapping of the spine length QTL shows that it lies near the MSX2A transcription factor gene. MSX2A is expressed in developing spines. In F1 marine * freshwater fish, the marine allele is preferentially expressed. Differences in expression can be attributed to splicing regulation. Due to the use of an alternative 5 ' splice site within the first exon, the freshwater allele produces greater amounts of a shortened, non functional transcript and makes less of the full-length transcript. Sequence changes in the MSX2A region are shared by many freshwater fish, suggesting that repeated evolution occurs by reuse of a spine-reduction variant. To demonstrate the effect of full-length MSX2A on spine length, we produced transgenic freshwater fish expressing a copy of marine MSX2A. The spines of the transgenic fish were significantly longer on average than those of their non-transgenic siblings, partially reversing the reduced spine lengths that have evolved in freshwater populations. CONCLUSIONS: MSX2A is a major gene underlying dorsal spine reduction in freshwater sticklebacks. The gene is linked to a separate gene controlling bony plate loss, helping explain the concerted effects of chromosome 4 on multiple armor-reduction traits. The nature of the molecular changes provides an interesting example of morphological evolution occurring not through a simple amino acid change, nor through a change only in gene expression levels, but through a change in the ratio of splice products encoding both normal and truncated proteins. PMID- 29212541 TI - Identifying lower limb specific and generalised joint hypermobility in adults: validation of the Lower Limb Assessment Score. AB - BACKGROUND: The Lower Limb Assessment Score (LLAS) has only been validated in a paediatric population. The aim of this study was to validate the use of the LLAS in an adult population by: i) evaluating its ability to discriminate between different extents of lower limb hypermobility, ii) establishing a cut-off score to identify lower limb hypermobility, and iii) determining if the LLAS is able to identify Generalised Joint Hypermobility (GJH). METHODS: Participants were recruited across three groups representing varying degrees of hypermobility. They were assessed using the LLAS, Beighton score and clinical opinion. Pearson's correlation coefficient and MANOVA were used to assess between-group differences in the LLAS. The cut-off score was determined using median and inter-quartile ranges and the Receiver Operator Characteristic Curve. The ability of the LLAS to identify GJH was assessed using percent agreement with clinical opinion. RESULTS: One hundred twelve participants aged 18-40 years were recruited. The LLAS distinguished the control from the likely hypermobile and known hypermobile cohorts (both p < 0.001), as well as the likely hypermobile from the known hypermobile cohort (p = 0.003). The LLAS cut-off score for identifying lower limb hypermobility was >=7/12 with a specificity of 86% and sensitivity of 68%. The LLAS accurately identified those with GJH with high percentage agreement compared to clinical opinion across all cohorts (69-98%). CONCLUSIONS: The LLAS is a valid tool for identifying lower limb specific hypermobility and GJH in adults at a cut off score of >=7/12. It demonstrates excellent specificity and moderate sensitivity, and discriminates well between extents of hypermobility. PMID- 29212542 TI - A framework to find the logic backbone of a biological network. AB - BACKGROUND: Cellular behaviors are governed by interaction networks among biomolecules, for example gene regulatory and signal transduction networks. An often used dynamic modeling framework for these networks, Boolean modeling, can obtain their attractors (which correspond to cell types and behaviors) and their trajectories from an initial state (e.g. a resting state) to the attractors, for example in response to an external signal. The existing methods however do not elucidate the causal relationships between distant nodes in the network. RESULTS: In this work, we propose a simple logic framework, based on categorizing causal relationships as sufficient or necessary, as a complement to Boolean networks. We identify and explore the properties of complex subnetworks that are distillable into a single logic relationship. We also identify cyclic subnetworks that ensure the stabilization of the state of participating nodes regardless of the rest of the network. We identify the logic backbone of biomolecular networks, consisting of external signals, self-sustaining cyclic subnetworks (stable motifs), and output nodes. Furthermore, we use the logic framework to identify crucial nodes whose override can drive the system from one steady state to another. We apply these techniques to two biological networks: the epithelial-to-mesenchymal transition network corresponding to a developmental process exploited in tumor invasion, and the network of abscisic acid induced stomatal closure in plants. We find interesting subnetworks with logical implications in these networks. Using these subgraphs and motifs, we efficiently reduce both networks to succinct backbone structures. CONCLUSIONS: The logic representation identifies the causal relationships between distant nodes and subnetworks. This knowledge can form the basis of network control or used in the reverse engineering of networks. PMID- 29212543 TI - Gene gravity-like algorithm for disease gene prediction based on phenotype specific network. AB - BACKGROUND: Polygenic diseases are usually caused by the dysfunction of multiple genes. Unravelling such disease genes is crucial to fully understand the genetic landscape of diseases on molecular level. With the advent of 'omic' data era, network-based methods have prominently boosted disease gene discovery. However, how to make better use of different types of data for the prediction of disease genes remains a challenge. RESULTS: In this study, we improved the performance of disease gene prediction by integrating the similarity of disease phenotype, biological function and network topology. First, for each phenotype, a phenotype specific network was specially constructed by mapping phenotype similarity information of given phenotype onto the protein-protein interaction (PPI) network. Then, we developed a gene gravity-like algorithm, to score candidate genes based on not only topological similarity but also functional similarity. We tested the proposed network and algorithm by conducting leave-one-out and leave 10%-out cross validation and compared them with state-of-art algorithms. The results showed a preference to phenotype-specific network as well as gene gravity like algorithm. At last, we tested the predicting capacity of proposed algorithms by test gene set derived from the DisGeNET database. Also, potential disease genes of three polygenic diseases, obesity, prostate cancer and lung cancer, were predicted by proposed methods. We found that the predicted disease genes are highly consistent with literature and database evidence. CONCLUSIONS: The good performance of phenotype-specific networks indicates that phenotype similarity information has positive effect on the prediction of disease genes. The proposed gene gravity-like algorithm outperforms the algorithm of Random Walk with Restart (RWR), implicating its predicting capacity by combing topological similarity with functional similarity. Our work will give an insight to the discovery of disease genes by fusing multiple similarities of genes and diseases. PMID- 29212545 TI - A systematic review and meta-analysis of psychological predictors of successful assisted reproductive technologies. AB - OBJECTIVES: The aim of this systematic review and meta-analysis was to perform an updated investigation of the effects of depression and anxiety on pregnancy outcomes following assisted reproductive technologies. A bibliographic search was performed using PubMed, PsycINFO, Embase, Science Direct databases. Data retrieved were analysed using a random effects model to estimate standardised mean differences. RESULTS: Of the 22 included studies, 18 investigated depression, 15 state anxiety, and seven trait anxiety. Data from 4018 patients were included in the meta-analysis. Results indicated that women who achieved pregnancy or a live birth reported lower levels of depression pre-treatment than those who did not, although the effects were small d = - 0.177 (95% CI - 0.327 to - 0.027, z = 2.309, p = 0.021). These results were consistent under different methodological conditions and the quality of these observational were graded as satisfactory. A similar pattern was seen for state (d = - 0.096, 95% CI - 0.180 to - 0.012: z = 2.241, p = 0.025) and trait anxiety (d = - 0.188, 95% CI - 0.007 to 0.356, z = 2.181, p = 0.029). More research is needed to investigate the impact of psychological variables on assisted reproductive technologies outcomes and moderator influences during assisted reproductive technologies processes. PMID- 29212544 TI - Plaque volume and plaque risk profile in diabetic vs. non-diabetic patients undergoing lipid-lowering therapy: a study based on 3D intravascular ultrasound and virtual histology. AB - BACKGROUND: Coronary atherosclerosis progresses faster in patients with diabetes mellitus (DM) and causes higher morbidity and mortality in such patients compared to non-diabetics ones (non-DM). We quantify changes in plaque volume and plaque phenotype during lipid-lowering therapy in DM versus non-DM patients using advanced intracoronary imaging. METHODS: We analyzed data from 61 patients with stable angina pectoris included to the PREDICT trial searching for prediction of plaque changes during intensive lipid-lowering therapy (40 mg rosuvastatin daily). Geometrically correct, fully 3-D representation of the vascular wall surfaces and intravascular ultrasound virtual histology (IVUS-VH) defined tissue characterization was obtained via fusion of two-plane angiography and IVUS-VH. Frame-based indices of plaque morphology and virtual histology analyses were computed and averaged in 5 mm long baseline/follow-up registered vessel segments covering the entire length of the two sequential pullbacks (baseline, 1-year). We analyzed 698 5-mm-long segments and calculated the Liverpool active plaque score (LAPS). RESULTS: Despite reaching similar levels of LDL cholesterol (DM 2.12 +/- 0.91 mmol/l, non-DM 1.8 +/- 0.66 mmol/l, p = 0.21), DM patients experienced, compared to non-DM ones, higher progression of mean plaque area (0.47 +/- 1.15 mm2 vs. 0.21 +/- 0.97, p = 0.001), percent atheroma volume (0.7 +/- 2.8% vs. - 1.4 +/- 2.5%, p = 0.007), increase of LAPS (0.23 +/- 1.66 vs. 0.13 +/- 1.79, p = 0.018), and exhibited more locations with TCFA (Thin-Cap Fibro-Atheroma) plaque phenotype in 5 mm vessel segments (20.3% vs. 12.5%, p = 0.01). However, only non DM patients reached significant decrease of LDL cholesterol. Plaque changes were more pronounced in PIT (pathologic intimal thickening) compared to TCFA with increased plaque area in both phenotypes in DM patients. CONCLUSION: Based on detailed 3D analysis, we found advanced plaque phenotype and further atherosclerosis progression in DM patients despite the same reached levels of LDLc as in non-DM patients. Trial registration ClinicalTrials.gov identifier: NCT01773512. PMID- 29212546 TI - Electronic Laboratory Medicine ordering with evidence-based Order sets in primary care (ELMO study): protocol for a cluster randomised trial. AB - BACKGROUND: Laboratory testing is an important clinical act with a valuable role in screening, diagnosis, management and monitoring of diseases or therapies. However, inappropriate laboratory test ordering is frequent, burdening health care spending and negatively influencing quality of care. Inappropriate tests may also result in false-positive results and potentially cause excessive downstream activities. Clinical decision support systems (CDSSs) have shown promising results to influence the test-ordering behaviour of physicians and to improve appropriateness. Order sets, a form of CDSS where a limited set of evidence-based tests are proposed for a series of indications, integrated in a computerised physician order entry (CPOE) have been shown to be effective in reducing the volume of ordered laboratory tests but convincing evidence that they influence appropriateness is lacking. The aim of this study is to evaluate the effect of order sets on the quality and quantity of laboratory test orders by physicians. We also aim to evaluate the effect of order sets on diagnostic error and explore the effect on downstream or cascade activities. METHODS: We will conduct a cluster randomised controlled trial in Belgian primary care practices. The study is powered to measure two outcomes. We will primarily measure the influence of our CDSS on the appropriateness of laboratory test ordering. Additionally, we will also measure the influence on diagnostic error. We will also explore the effects of our intervention on cascade activities due to altered results of inappropriate tests. DISCUSSION: We have designed a study that should be able to demonstrate whether the CDSS aimed at diagnostic testing is not only able to influence appropriateness but also safe with respect to diagnostic error. These findings will influence a lager, nationwide implementation of this CDSS. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02950142 . PMID- 29212547 TI - Restrictive surgical approach to palliate angina in a patient with coronary three vessel disease and biventricular metastatic hepatocellular carcinoma. AB - BACKGROUND: Metastatic cardiac tumors may cause different symptoms including angina, symptoms of heart failure and/or arrhythmia. In patients with concomitant coronary artery disease, it may be difficult to distinguish between angina caused by metastases to the heart, for example, by stealing perfusion from the coronary arteries, and angina caused by coronary stenosis. Identifying the origin of the symptoms is, however, essential for designing appropriate surgical strategies. CASE PRESENTATION: A 69-year-old male with multifocal recurrence of a hepatocellular carcinoma (HCC) presented with increasing ventricular arrhythmia and angina several weeks after posterior myocardial infarction and PCI of the RCA culprit lesion during which two further lesions present in the distal RCX and a posterolateral branch, and a chronically occluded LAD had not been addressed. MRI showed a large metastatic tumor infiltrating the walls of both ventricles as well as the interventricular septum. His debilitating symptoms were attributed to steal phenomena and/or perivascular compression caused by the metastatic tumor rather than the remaining coronary lesions, and he was offered a restrictive surgical approach consisting of debulking of the metastasis with an option for subsequent coronary intervention. The palliative surgical procedure resulted in a reduction of the tumor mass by half and sufficiently reduced the patient's symptoms so that further coronary intervention was not required. CONCLUSIONS: Palliative surgery for metastases to the heart may benefit patients, provided that the origin of symptoms is identified correctly. It goes without saying that in a palliative setting, surgery should be limited to treating symptoms rather than performing extensive procedures addressing, for example, coronary artery or valve disease. Interventional cardiac procedures addressing not only CAD but also valve disease may supplement palliative tumor surgery. PMID- 29212548 TI - Generation of stable PDX derived cell lines using conditional reprogramming. AB - Efforts to develop effective cancer therapeutics have been hindered by a lack of clinically predictive preclinical models which recapitulate this complex disease. Patient derived xenograft (PDX) models have emerged as valuable tools for translational research but have several practical limitations including lack of sustained growth in vitro. In this study, we utilized Conditional Reprogramming (CR) cell technology- a novel cell culture system facilitating the generation of stable cultures from patient biopsies- to establish PDX-derived cell lines which maintain the characteristics of the parental PDX tumor. Human lung and ovarian PDX tumors were successfully propagated using CR technology to create stable explant cell lines (CR-PDX). These CR-PDX cell lines maintained parental driver mutations and allele frequency without clonal drift. Purified CR-PDX cell lines were amenable to high throughput chemosensitivity screening and in vitro genetic knockdown studies. Additionally, re-implanted CR-PDX cells proliferated to form tumors that retained the growth kinetics, histology, and drug responses of the parental PDX tumor. CR technology can be used to generate and expand stable cell lines from PDX tumors without compromising fundamental biological properties of the model. It offers the ability to expand PDX cells in vitro for subsequent 2D screening assays as well as for use in vivo to reduce variability, animal usage and study costs. The methods and data detailed here provide a platform to generate physiologically relevant and predictive preclinical models to enhance drug discovery efforts. PMID- 29212549 TI - Hypertriglyceridemia and atherosclerosis. AB - Atherosclerotic cardiovascular disease (ASCVD) is the leading cause of death and it has been confirmed that increased low density lipoprotein cholesterol (LDL-C) is an independent risk factor for atherosclerosis. Recently, the increasing evidence has showed that hypertriglyceridemia is associated with incremental ASCVD risk. But the proatherogenic mechanism of triglyceride (TG) remains unclear. Therefore, this article focuses on the clinical studies and proatherogenic mechanism related to hypertriglyceridemia, in order to provide reference for the prevention and treatment of ASCVD. PMID- 29212550 TI - A supplemental intravenous amino acid infusion sustains a positive protein balance for 24 hours in critically ill patients. AB - BACKGROUND: Providing supplemental amino acids to ICU patients during a 3-h period results in improved whole-body net protein balance, without an increase in amino acid oxidation. The primary objective was to investigate if a 24-h intravenous amino acid infusion in critically ill patients has a sustained effect on whole-body protein balance as was seen after 3 h. Secondary objectives were monitoring of amino acid oxidation rate, urea and free amino acid plasma concentrations. METHODS: An infusion of [1-13C]-phenylalanine was added to ongoing enteral nutrition to quantify the enteral uptake of amino acids. Primed intravenous infusions of [ring-2H5]-phenylalanine and [3,3-2H2]-tyrosine were used to assess whole-body protein synthesis and breakdown, to calculate net protein balance and to assess amino acid oxidation at baseline and at 3 and 24 hours. An intravenous amino acid infusion was added to nutrition at a rate of 1 g/kg/day and continued for 24 h. RESULTS: Eight patients were studied. The amino acid infusion resulted in improved net protein balance over time, from -1.6 +/- 7.9 MUmol phe/kg/h at 0 h to 6.0 +/- 8.8 at 3 h and 7.5 +/- 5.1 at 24 h (p = 0.0016). The sum of free amino acids in plasma increased from 3.1 +/- 0.6 mmol/L at 0 h to 3.2 +/- 0.3 at 3 h and 3.6 +/- 0.5 at 24 h (p = 0.038). Amino acid oxidation and plasma urea were not altered significantly. CONCLUSION: We demonstrated that the improvement in whole-body net protein balance from a supplemental intravenous amino acid infusion seen after 3 h was sustained after 24 h in critically ill patients. TRIAL REGISTRATION: This trial was prospectively registered at Australian New Zealand Clinical Trials Registry. ACTRN, 12615001314516 . Registered on 1 December 2015. PMID- 29212551 TI - Extracorporeal membrane oxygenation for life-threatening asthma refractory to mechanical ventilation: analysis of the Extracorporeal Life Support Organization registry. AB - BACKGROUND: The use of extracorporeal membrane oxygenation (ECMO) in cases of near-fatal asthma (NFA) has increased, but the benefits and potential complications of this therapy have yet to be fully investigated. METHODS: Cases were extracted from the Extracorporeal Life Support Organization Registry between March 1992 and March 2016. All patients with a diagnosis of asthma (according to the International Classification of Diseases 9th edition), who also received ECMO, were extracted. Exclusion criteria included patients who underwent multiple courses of ECMO; those who received ECMO for cardiopulmonary resuscitation or cardiac dysfunction; and those with another primary diagnosis, such as sepsis. We analyzed survival to hospital discharge, complications, and clinical factors associated with in-hospital mortality, in patients with severe life-threatening NFA requiring ECMO support. RESULTS: In total 272 patients were included. The mean time spent on ECMO was 176.4 hours. Ventilator settings, including rate, fraction of inspired oxygen (FiO2), peak inspiratory pressure (PIP), and mean airway pressure, significantly improved after ECMO initiation (rate (breaths/min), 19.0 vs. 11.3, p < 0.001; FiO2 (%), 81.2 vs. 48.8, p < 0.001; PIP (cmH2O), 38.2 vs. 25.0, p < 0.001; mean airway pressure (cmH2O): 21.4 vs. 14.2, p < 0.001). In particular, driving pressure was significantly decreased after ECMO support (29.5 vs. 16.8 cmH2O, p < 0.001). The weaning success rate was 86.7%, and the rate of survival to hospital discharge was 83.5%. The total complication rate was 65.1%, with hemorrhagic complications being the most common (28.3%). Other complications included renal (26.8%), cardiovascular (26.1%), mechanical (24.6%), metabolic (22.4%), infection (16.5%), neurologic (4.8%), and limb ischemia (2.6%). Of the hemorrhagic complications, cannulation site hemorrhage was the most common (13.6%). Using multivariate logistic regression analysis, it was found that hemorrhage was associated with increased in-hospital mortality (odds ratio, 2.97; 95% confidence interval, 1.07-8.24; p = 0.036). Hemorrhage-induced death occurred in four patients (1.5%). The most common reason for death was organ failure (37.8%). CONCLUSIONS: ECMO can provide adequate gas exchange and prevent lung injury induced by mechanical ventilation, and may be an effective bridging strategy to avoid aggressive ventilation in refractory NFA. However, careful management is required to avoid complications. PMID- 29212552 TI - Validity and reliability of simple measurement device to assess the velocity of the barbell during squats. AB - OBJECTIVES: The velocity of a barbell can provide important insights on the performance of athletes during strength training. The aim of this work was to assess the validity and reliably of four simple measurement devices that were compared to 3D motion capture measurements during squatting. Nine participants were assessed when performing 2 * 5 traditional squats with a weight of 70% of the 1 repetition maximum and ballistic squats with a weight of 25 kg. Simultaneously, data was recorded from three linear position transducers (T FORCE, Tendo Power and GymAware), an accelerometer based system (Myotest) and a 3D motion capture system (Vicon) as the Gold Standard. Correlations between the simple measurement devices and 3D motion capture of the mean and the maximal velocity of the barbell, as well as the time to maximal velocity, were calculated. RESULTS: The correlations during traditional squats were significant and very high (r = 0.932, 0.990, p < 0.01) and significant and moderate to high (r = 0.552, 0.860, p < 0.01). The Myotest could only be used during the ballistic squats and was less accurate. All the linear position transducers were able to assess squat performance, particularly during traditional squats and especially in terms of mean velocity and time to maximal velocity. PMID- 29212553 TI - Household knowledge and practices concerning malaria and indoor residual spraying in an endemic area earmarked for malaria elimination in Iran. AB - BACKGROUND: Indoor residual spraying of insecticide (IRS) is a key intervention for reducing the burden of malaria infection. Effectiveness and success of this strategy are to a considerable extent dependent on knowledge and practice of the target community regarding the IRS. Iran has entered the malaria elimination phase, and IRS has been considered as the main strategy for malaria vector control. Therefore, this study was conducted to determine the household knowledge and practices about malaria and IRS in Bashagard County, one of the malaria endemic areas in the southeast of Iran. METHODS: A community-based cross sectional survey was conducted among 420 households in Bashagard County. The participants who were selected using a two-stage randomized cluster sampling procedure were subjected to a tested structured questionnaire. During the survey, direct observations were made concerning the use of IRS as well as housing conditions. The data were coded and analysed using SPSS version 19. RESULTS: Knowledge levels about malaria as a disease and the mosquito as its vector were high and of equal magnitude (85.5% and 85.4%, respectively), while knowledge levels of IRS were even higher (91.6%). The main source of households' information about malaria and IRS was primarily community health workers (73.3%). Despite positive perceptions towards IRS only 26.7% of respondents had sprayed their houses which is lower than the WHO targeted coverage of 80%. Respiratory disorders and headache (33.3%), food contamination (24.9%), discolouring of inner house walls (17.7%), difficulty in furniture's movement (13.8%), and unpleasant odour (10.4%) were the main reasons for IRS refusal. CONCLUSION: There is a discrepancy between knowledge about symptoms and the transmission route of malaria and control practices related to IRS use. Therefore, IRS campaigns accompanied with education for behaviour change should be considered to ensure householders' participation and cooperation in the IRS programme. Moreover, continuous evaluation and monitoring of IRS as well as conducting more surveys on knowledge, attitude, and practices are recommended to improve malaria control measures and to identify indicators for effective, successful, and sustainable malaria elimination programme. PMID- 29212554 TI - Benefits of a mentoring support program for individuals with an eating disorder: a proof of concept pilot program. AB - OBJECTIVE: The aim of this proof-of-concept pilot study was to assess the usefulness of a mentoring support program with a goal to improve hope for recovery in people with an eating disorder. RESULTS: Significant improvements (p <= 0.05) in hope for recovery were found for the mentees in the following domains: social relationships (p = 0.027), romantic relationships (p = 0.032), family life (p = 0.047), work (0.003) and overall scores (p = 0.003). There were no significant findings for any of the areas for the mentors. Despite this, mentoring programs that focus on improving hope may provide a valuable adjunct support for those in treatment for an eating disorder. PMID- 29212555 TI - Study partners should be required in preclinical Alzheimer's disease trials. AB - BACKGROUND: In an effort to intervene earlier in Alzheimer's disease (AD), clinical trials are testing promising candidate therapies in preclinical disease. Preclinical AD trial participants are cognitively normal, functionally independent, and autonomous decision-makers. Yet, like AD dementia trials, preclinical trials require dual enrollment of a participant and a knowledgeable informant, or study partner. MAIN TEXT: The requirement of dyadic enrollment is a barrier to recruitment and may present unique ethical challenges. Despite these limitations, the requirement should continue. Study partners may be essential to ensure participant safety and wellbeing, including overcoming distress related to biomarker disclosure and minimizing risk for catastrophic reactions and suicide. The requirement may maximize participant retention and ensure data integrity, including that study partners are the source of data that will ultimately instruct whether a new treatment has a clinical benefit and meaningful impact on the population health burden associated with AD. Finally, study partners are needed to ensure the scientific and clinical value of trials. CONCLUSIONS: Preclinical AD will represent a new model of care, in which persons with no symptoms are informed of probable cognitive decline and eventual dementia. The rationale for early diagnosis in symptomatic AD is equally applicable in preclinical AD-to minimize risk, maximize quality of life, and ensure optimal planning and communication. Family members and other sources of support will likely be essential to the goals of this new model of care for preclinical AD patients and trials must instruct this clinical practice. PMID- 29212558 TI - Effects of low-fat compared with high-fat diet on cardiometabolic indicators in people with overweight and obesity without overt metabolic disturbance: a systematic review and meta-analysis of randomised controlled trials. AB - Randomised controlled trials comparing low- v. high-fat diets on cardiometabolic risk factors in people with overweight or obesity have shown inconsistent results, which may be due to the mixed metabolic status of people with excess adiposity. The role of dietary fat manipulation in modifying cardiometabolic indicators in people with overweight or obese without metabolic disturbance is unclear. Thus, meta-analysis was conducted to compare low- v. high-fat diets on cardiometabolic indicators in people who are overweight or obese without metabolic disturbance in the present study. Databases were searched until October 2016. The pooled effects of outcomes with heterogeneity were calculated with a random-effects model, heterogeneities were analysed by subgroup and meta regression. As a result, twenty studies with 2106 participants were included in the meta-analysis. Total cholesterol and LDL-cholesterol levels were lower following low-fat diets compared with high-fat diets: weighted mean difference (WMD) was -7.05 mg/dl (-0.18 mmol/l; 95 % CI -11.30, -2.80; P=0.001) and -4.41 mg/dl (-0.11 mmol/l; 95 % CI -7.81, -1.00; P=0.011), respectively. Conversely, significant higher level of TAG (WMD: 11.68 mg/dl (0.13 mmol/l), 95 % CI 5.90, 17.45; P<0.001) and lower level of HDL-cholesterol (WMD: -2.57 mg/dl (-0.07 mmol/l); 95 % CI -3.85, -1.28; P<0.001) were found following low-fat diets compared with high-fat diets. In conclusion, dietary fat manipulation has a significant influence on blood lipid levels in people with overweight or obesity without metabolic disturbances. PMID- 29212556 TI - Clinical interval and diagnostic characteristics in a cohort of bladder cancer patients in Spain: a multicenter observational study. AB - OBJECTIVE: We performed a cohort study in seven hospitals in Spain to determine the clinical characteristics of incident patients with bladder cancer, the diagnostic process, and the conditions that might affect health care interval times. RESULTS: 314 patients with bladder cancer were included, 70.3 (Standard Deviation [SD] 11.2) years old and 85.0% male. Clinical stage was T1 in 45.9% of patients. The median interval time between first consultation and diagnosis was of 104.0 days (Inter quartile range [IQR]:112.0; range from 0 to 986), being shorter for those patients who attended a hospital for their first consultation. The median interval time between diagnosis and first treatment was of 0.0 days (IQR: 0.0; range from 0 to 366), being longer when the patient had a pathologic tumor stage >= T2a. PMID- 29212557 TI - Preconditioning of murine mesenchymal stem cells synergistically enhanced immunomodulation and osteogenesis. AB - BACKGROUND: Mesenchymal stem cells (MSCs) are capable of immunomodulation and tissue regeneration, highlighting their potential translational application for treating inflammatory bone disorders. MSC-mediated immunomodulation is regulated by proinflammatory cytokines and pathogen-associated molecular patterns such as lipopolysaccharide (LPS). Previous studies showed that MSCs exposed to interferon gamma (IFN-gamma) and the proinflammatory cytokine tumor necrosis factor alpha (TNF-alpha) synergistically suppressed T-cell activation. METHODS: In the current study, we developed a novel preconditioning strategy for MSCs using LPS plus TNF alpha to optimize the immunomodulating ability of MSCs on macrophage polarization. RESULTS: Preconditioned MSCs enhanced anti-inflammatory M2 macrophage marker expression (Arginase 1 and CD206) and decreased inflammatory M1 macrophage marker (TNF-alpha/IL-1Ra) expression using an in-vitro coculture model. Immunomodulation of MSCs on macrophages was significantly increased compared to the combination of IFN-gamma plus TNF-alpha or single treatment controls. Increased osteogenic differentiation including alkaline phosphate activity and matrix mineralization was only observed in the LPS plus TNF-alpha preconditioned MSCs. Mechanistic studies showed that increased prostaglandin E2 (PGE2) production was associated with enhanced Arginase 1 expression. Selective cyclooxygenase-2 inhibition by Celecoxib decreased PGE2 production and Arginase 1 expression in cocultured macrophages. CONCLUSIONS: The novel preconditioned MSCs have increased immunomodulation and bone regeneration potential and could be applied to the treatment of inflammatory bone disorders including periprosthetic osteolysis, fracture healing/nonunions, and osteonecrosis. PMID- 29212559 TI - The body remembers: Adolescent conflict struggles predict adult interleukin-6 levels. AB - Struggles managing conflict and hostility in adolescent social relationships were examined as long-term predictors of immune-mediated inflammation in adulthood that has been linked to long-term health outcomes. Circulating levels of interleukin-6 (IL-6), a marker of immune system dysfunction when chronically elevated, were assessed at age 28 in a community sample of 127 individuals followed via multiple methods and reporters from ages 13 to 28. Adult serum IL-6 levels were predicted across periods as long as 15 years by adolescents' inability to defuse peer aggression and poor peer-rated conflict resolution skills, and by independently observed romantic partner hostility in late adolescence. Adult relationship difficulties also predicted higher IL-6 levels but did not mediate predictions from adolescent-era conflict struggles. Predictions were also not mediated by adult trait hostility or aggressive behavior, suggesting the unique role of struggles with conflict and hostility from others during adolescence. The implications for understanding the import of adolescent peer relationships for life span physical health outcomes are considered. PMID- 29212561 TI - Crosstalk between Entamoeba histolytica and the human intestinal tract during amoebiasis. AB - The protozoan parasite Entamoeba histolytica is the microbial agent of amoebiasis - an infection that is endemic worldwide and is associated with high morbidity and mortality rates. As the disease develops, virulent E. histolytica deplete the mucus layer, interact with the intestinal epithelium, and then degrade the colonic mucosa and disrupt the extracellular matrix (ECM). Our research demonstrated that virulent parasites with an invasive phenotype display rapid, highly specific changes in their transcriptome (notably for essential factors involved in carbohydrate metabolism and the processing of glycosylated residues). Moreover, combined activation of parasite and host lytic enzymes leads to the destruction of the intestinal parenchyma. Together, these enzymes degrade the mucus layer and the ECM, and trigger the inflammatory response essential to the development of amoebiasis. PMID- 29212560 TI - Concurrent benzodiazepine use in older adults treated with antidepressants in Asia. AB - BACKGROUND: Little is known about the combined use of benzodiazepines and antidepressants in older psychiatric patients. This study examined the prescription pattern of concurrent benzodiazepines in older adults treated with antidepressants in Asia, and explored its demographic and clinical correlates. METHODS: The data of 955 older adults with any type of psychiatric disorders were extracted from the database of the Research on Asian Psychotropic Prescription Patterns for Antidepressants (REAP-AD) project. Demographic and clinical characteristics were recorded using a standardized protocol and data collection procedure. Both univariate and multiple logistic regression analyses were performed. RESULTS: The proportion of benzodiazepine and antidepressant combination in this cohort was 44.3%. Multiple logistic regression analysis revealed that higher doses of antidepressants, younger age (<65 years), inpatients, public hospital, major comorbid medical conditions, antidepressant types, and country/territory were significantly associated with more frequent co prescription of benzodiazepines and antidepressants. CONCLUSIONS: Nearly, half of the older adults treated with antidepressants in Asia are prescribed concurrent benzodiazepines. Given the potentially adverse effects of benzodiazepines, the rationale of benzodiazepines and antidepressants co-prescription needs to be revisited. PMID- 29212562 TI - A randomised controlled trial of the monoaminergic stabiliser (-)-OSU6162 in treatment of myalgic encephalomyelitis/chronic fatigue syndrome. AB - OBJECTIVE: The monoaminergic stabiliser (-)-OSU6162 has in previous studies shown promising effects on mental fatigue after stroke and traumatic brain injury. This study investigated the safety and effectiveness of (-)-OSU6162 in patients with myalgic encephalomyelitis/chronic fatigue syndrome. METHODS: A total of 62 patients were randomly assigned to placebo or (-)-OSU6162. Primary outcomes were assessment on the mental fatigue scale (MFS) and the clinical global impression of change (CGI-C) scale. Secondary outcomes were results on the FibroFatigue scale (FF), the Beck Depression Inventory (BDI), the pain visual analogue scale and neuropsychological tests. Assessments were performed at baseline, after 1 and 2 weeks of treatment and at follow-up after 6 weeks. RESULTS: MFS and CGI-C showed significant improvements for both treatment groups after treatment but not at follow-up; a similar pattern was seen for FF and BDI. However, significant differences between groups could not be demonstrated. On the other hand, correlation analyses showed a significant correlation between (-)-OSU6162 concentration and change in MFS, FF, and BDI score within the concentration interval 0.1-0.7 uM. Exploratory subgroup analyses showed a larger treatment effect with (-)-OSU6162 in improving MFS and FF symptoms in patients on antidepressant therapy compared to those without antidepressant treatment. CONCLUSION: (-)-OSU6162 was found to be safe and well tolerated. When analysing the entire material (-)-OSU6162 was not found to differ significantly from placebo in alleviating fatigue in ME patients but was superior to placebo in counteracting fatigue in a subgroup of ME patients who received concomitant pharmacological treatment for depression. PMID- 29212563 TI - Clinically relevant and simple immune system measure is related to symptom burden in bipolar disorder. AB - OBJECTIVE: Immunological theories, particularly the sickness syndrome theory, may explain psychopathology in mood disorders. However, no clinical trials have investigated the association between overall immune system markers with a wide range of specific symptoms including potential gender differences. METHODS: We included two similar clinical trials, the lithium treatment moderate-dose use study and clinical and health outcomes initiatives in comparative effectiveness for bipolar disorder study, enrolling 765 participants with bipolar disorder. At study entry, white blood cell (WBC) count was measured and psychopathology assessed with the Montgomery and Aasberg depression rating scale (MADRS). We performed analysis of variance and linear regression analyses to investigate the relationship between the deviation from the median WBC, and multinomial regression analysis between different WBC levels. All analyses were performed gender-specific and adjusted for age, body mass index, smoking, race, and somatic diseases. RESULTS: The overall MADRS score increased significantly for each 1.0*109/l deviation from the median WBC among 322 men (coefficient=1.10; 95% CI=0.32-1.89; p=0.006), but not among 443 women (coefficient=0.56; 95% CI=-0.19 1.31; p=0.14). Among men, WBC deviations were associated with increased severity of sadness, inner tension, reduced sleep, reduced appetite, concentration difficulties, inability to feel, and suicidal thoughts. Among women, WBC deviations were associated with increased severity of reduced appetite, concentration difficulties, lassitude, inability to feel, and pessimistic thoughts. Both higher and lower WBC levels were associated with increased severity of several specific symptoms. CONCLUSION: Immune system alterations were associated with increased severity of specific mood symptoms, particularly among men. Our results support the sickness syndrome theory, but furthermore emphasise the relevance to study immune suppression in bipolar disorder. Due to the explorative nature and cross-sectional design, future studies need to confirm these findings. PMID- 29212565 TI - Improving quality of referral letters from primary to secondary care: a literature review and discussion paper. AB - BACKGROUND: Referral letters sent from primary to secondary or tertiary care are a crucial element in the continuity of patient information transfer. Internationally, the need for improvement in this area has been recognised. This aim of this study is to review the current literature pertaining to interventions that are designed to improve referral letter quality. METHODS: A search strategy designed following a Problem, Intervention, Comparator, Outcome model was used to explore the PubMed and EMBASE databases for relevant literature. Inclusion and exclusion criteria were established and bibliographies were screened for relevant resources. RESULTS: A total of 18 publications were included in this study. Four types of interventions were described: electronic referrals were shown to have several advantages over paper referrals but were also found to impose new barriers; peer feedback increases letter quality and can decrease 'inappropriate referrals' by up to 50%; templates increase documentation and awareness of risk factors; mixed interventions combining different intervention types provide tangible improvements in content and appropriateness. CONCLUSION: Several methodological considerations were identified in the studies reviewed but our analysis demonstrates that a combination of interventions, introduced as part of a joint package and involving peer feedback can improve. PMID- 29212566 TI - Segmentation Approach Towards Phase-Contrast Microscopic Images of Activated Sludge to Monitor the Wastewater Treatment. AB - Image processing and analysis is an effective tool for monitoring and fault diagnosis of activated sludge (AS) wastewater treatment plants. The AS image comprise of flocs (microbial aggregates) and filamentous bacteria. In this paper, nine different approaches are proposed for image segmentation of phase-contrast microscopic (PCM) images of AS samples. The proposed strategies are assessed for their effectiveness from the perspective of microscopic artifacts associated with PCM. The first approach uses an algorithm that is based on the idea that different color space representation of images other than red-green-blue may have better contrast. The second uses an edge detection approach. The third strategy, employs a clustering algorithm for the segmentation and the fourth applies local adaptive thresholding. The fifth technique is based on texture-based segmentation and the sixth uses watershed algorithm. The seventh adopts a split-and-merge approach. The eighth employs Kittler's thresholding. Finally, the ninth uses a top-hat and bottom-hat filtering-based technique. The approaches are assessed, and analyzed critically with reference to the artifacts of PCM. Gold approximations of ground truth images are prepared to assess the segmentations. Overall, the edge detection-based approach exhibits the best results in terms of accuracy, and the texture-based algorithm in terms of false negative ratio. The respective scenarios are explained for suitability of edge detection and texture based algorithms. PMID- 29212567 TI - The Quebec emergency department guide: A cross-sectional study to evaluate its use, perceived usefulness, and implementation in rural emergency departments. AB - OBJECTIVES: The Quebec Emergency Department Management Guide (QEDMG) is a unique document with 78 recommendations designed to improve the organization of emergency departments (EDs) in the province of Quebec. However, no study has examined how this guide is perceived or used by rural health care management. METHODS: We invited all directors of professional services (DPS), directors of nursing services (DNS), head nurses (HN), and emergency department directors (EDD) working in Quebec's rural hospitals to complete an online survey (144 questions). Simple frequency analyses (percentage [%] and 95% confidence interval) were conducted to establish general familiarity and use of the QEDMG, as well as perceived usefulness and implementation of its recommendations. RESULTS: Seventy-three percent (19/26) of Quebec's rural EDs participated in the study. A total of 82% (62/76) of the targeted stakeholders participated. Sixty one percent of respondents reported being "moderately or a lot" familiar with the QEDMG, whereas 77% reported "almost never or sometimes" refer to this guide. Physician management (DPS, EDD) were more likely than nursing management (DNS and especially HN) to report "not at all" or "little" familiarity on use of the guide. Finally, 98% of the QEDMG recommendations were considered useful. CONCLUSIONS: Although the QEDMG is considered a useful guide for rural EDs, it is not optimally known or used in rural EDs, especially by physician management. Stakeholders should consider these findings before implementing the revised versions of the QEDMG. PMID- 29212564 TI - Nurturant-involved parenting and adolescent substance use: Examining an internalizing pathway through adolescent social anxiety symptoms and substance refusal efficacy. AB - Research has clearly established the important role of parents in preventing substance use among early adolescents. Much of this work has focused on deviance (e.g., antisocial behavior, delinquency, and oppositional behavior) as a central pathway linking parenting behaviors and early adolescent substance use. This study proposed an alternative pathway; using a four-wave longitudinal design, we examined whether nurturant-involved parenting (Fall sixth grade) was inversely associated with adolescent drunkenness, marijuana use, and cigarette use (eighth grade) through social anxiety symptoms (Spring sixth grade) and subsequent decreases in substance refusal efficacy (seventh grade). Nurturant-involved parenting is characterized by warmth, supportiveness, low hostility, and low rejection. Analyses were conducted with a sample of 687 two-parent families. Results indicated that adolescents who were in families where fathers exhibited lower levels of nurturant-involved parenting experienced subsequent increases in social anxiety symptoms and decreased efficacy to refuse substances, which in turn was related to more frequent drunkenness, cigarette use, and marijuana use. Indirect effects are discussed. Findings were not substantiated for mothers' parenting. Adolescent gender did not moderate associations. The results highlight an additional pathway through which parenting influences youth substance use and links social anxiety symptoms to reduced substance refusal efficacy. PMID- 29212568 TI - Decomposing environmental unpredictability in forecasting adolescent and young adult development: A two-sample study. AB - To illuminate which features of an unpredictable environment early in life best forecast adolescent and adult functioning, data from two longitudinal studies were examined. After decomposing a composite unpredictability construct found to predict later development, results of both studies revealed that paternal transitions predicted outcomes more consistently and strongly than did residential or occupational changes across the first 5 years of a child's life. These results derive from analyses of the NICHD Study of Early Child Care and Youth Development, which included diverse families from 10 different sites in the United States, and from the Minnesota Longitudinal Study of Risk and Adaptation, whose participants came from one site, were disproportionately economically disadvantaged, and were enrolled 15 years earlier than the NICHD Study sample. The finding that results from both studies are consistent with evolutionary, life history thinking regarding the importance of males in children's lives makes this general, cross-study replication noteworthy. PMID- 29212569 TI - The effect of strategic memory training in older adults: who benefits most? AB - : ABSTRACTBackground:Previous research has suggested that there is a degree of variability among older adults' response to memory training, such that some individuals benefit more than others. The aim of the present study was to identify the profile of older adults who were likely to benefit most from a strategic memory training program that has previously proved to be effective in improving memory in healthy older adults. METHOD: In total, 44 older adults (60 83 years) participated in a strategic memory training. We examined memory training benefits by measuring changes in memory practiced (word list learning) and non-practiced tasks (grocery list and associative learning). In addition, a battery of cognitive measures was administered in order to assess crystallized and fluid abilities, short-term memory, working memory, and processing speed. RESULTS: Results confirmed the efficacy of the training in improving performance in both practiced and non-practiced memory tasks. For the practiced memory tasks, results showed that memory baseline performance and crystallized ability predicted training gains. For the non-practiced memory tasks, analyses showed that memory baseline performance was a significant predictor of gain in the grocery list learning task. For the associative learning task, the significant predictors were memory baseline performance, processing speed, and marginally the age. CONCLUSIONS: Our results indicate that older adults with a higher baseline memory capacity and with more efficient cognitive resources were those who tended to benefit most from the training. The present study provides new avenues in designing personalized intervention according to the older adults' cognitive profile. PMID- 29212570 TI - 'Teaching Me to Parent Myself': The Feasibility of an In-Patient Group Schema Therapy Programme for Complex Trauma. AB - BACKGROUND: Group schema therapy is an emerging treatment for personality and other psychiatric disorders. It may be particularly suited to individuals with complex trauma given that early abuse is likely to create maladaptive schemas. AIMS: This pilot study explored the feasibility and effectiveness of a 4-week in patient group schema therapy programme for adults with complex trauma in a psychiatric hospital setting. METHOD: Thirty-six participants with complex trauma syndrome participated in this open trial. Treatment consisted of 60 hours of group schema therapy and 4 hours of individual schema therapy administered over 4 weeks. Feasibility measures included drop-out rates, qualitative interviews with participants to determine programme acceptability and measures of psychiatric symptoms, self-esteem, quality of life and schema modes pre-, post- and 3 months following the intervention. RESULTS: Drop-out rate for the 4-week program was 11%. Thematic analysis of interview transcripts revealed four major themes: connection, mode language explained emotional states, identifying the origin of the problem and the emotional activation of the programme. Measures of psychiatric symptoms, self-esteem and quality of life showed improvement post treatment and at 3 months post-treatment. There was a reduction in most maladaptive schema modes pre-/post-treatment. CONCLUSIONS: A group schema therapy approach for complex trauma is feasible and demonstrates positive effects on psychiatric symptoms and maladaptive schemas. PMID- 29212571 TI - Expression of Homeobox Gene HLX and its Downstream Target Genes are Altered in Placentae From Discordant Twin Pregnancies. AB - A discordant twin gestation, in which one fetus is significantly growth restricted, compared to the other normal twin, is a unique model that can be used to elucidate the mechanism(s) by which the intrauterine environment affects fetal growth. In many model systems, placental transcription factor genes regulate fetal growth. Transcription factors regulate growth through their activation or repression of downstream target genes that mediate important cell functions. The objective of this study was to determine the expression of the placental HLX homeobox gene transcription factor and its downstream target genes in dizygotic twins with growth discordance. In this cross-sectional study, HLX and its downstream target genes' retinoblastoma 1 (RB1) and cyclin kinase D (CDKN1C) expression levels were determined in placentae obtained from dichorionic diamniotic twin pregnancies (n = 23) where one of the twins was growth restricted. Fetal growth restriction (FGR) was defined as small for gestational age with abnormal umbilical artery Doppler indices when compared with the normal control co-twin. Homeobox gene HLX expression was significantly decreased at both the mRNA and protein levels in FGR twin placentae compared with the normal control co-twin placentae (p < .05). Downstream target genes CDKN1C and RB1 were also significantly decreased and increased, respectively, at both the mRNA and protein levels in FGR twin placentae compared with normal control co-twin placentae (p < .05). Together, these observations suggest an important association between HLX transcription factor expression and abnormal human placental development in discordant twin pregnancies. PMID- 29212572 TI - Aberrant lncRNA Expression in Multiple Myeloma. AB - Multiple myeloma (MM), a type of malignant tumor, is characterized by dysplasia of clonal plasma cells in the bone marrow. People with MM will have damaged organs or tissues due to secretion of large amounts of monoclonal immunoglobulin or fragments (M protein). Despite improved survivability by novel treatment strategies over the last decade, MM is still incurable by current therapies. Long noncoding RNAs (lncRNAs), with length of more than 200 nucleotides, have been reported to act as important regulators in many diseases, including MM. Recent studies have reported aberrant lncRNA expression in MM; these dysregulated lncRNAs can play oncogenic and/or tumor-suppressive roles in the development and progression of MM. In this article, we present a general overview on the role of lncRNAs in MM pathogenesis and discuss their potential as prognostic biomarkers and targets for treatment. PMID- 29212573 TI - Knockdown of NF-kappaB1 by shRNA Inhibits the Growth of Renal Cell Carcinoma In Vitro and In Vivo. AB - Renal cell carcinoma (RCC) accounts for approximately 2%-3% of human malignancies and is the most aggressive among urologic tumors. Biological heterogeneity, drug resistance, and chemotherapy side effects are the biggest obstacles to the effective treatment of RCC. The NF-kappaB transcription factor is one of several molecules identified to be responsible for the aggressive phenotype of this tumor. In the past decade, several studies have demonstrated the activation of NF kappaB in RCC, and many have implicated NF-kappaB1 (p50) as an important molecule in tumor progression and metastasis. In the present study, a lentivirus was used to deliver shRNA targeting NF-kappaB1 into mouse RCC (Renca) cells. It was determined that the knockdown of the NF-kappaB1 gene led to a reduction in cell proliferation and late apoptosis/necrosis in vitro. Flow cytometry analysis demonstrated G2/M arrest in the cells. In addition, immunoblotting analysis revealed a significant increase in cyclin B1 and Bax. In vivo experiments showed that Renca-shRNA-NF-kappaB1 cells have significantly diminished tumorigenicity. Moreover, immunohistochemical analysis revealed an increase in necrotic areas of Renca-shRNA-NF-kappaB1 tumors. Thus, this study indicates that downregulation of NF-kappaB1 can suppress RCC tumorigenesis by inducing late apoptosis/necrosis. Therefore, NF-kappaB1 may be a potential therapeutic target for RCC. PMID- 29212574 TI - Overexpression of Long Noncoding RNA PTENP1 Inhibits Cell Proliferation and Migration via Suppression of miR-19b in Breast Cancer Cells. AB - This study aimed to investigate the effect of long noncoding RNA PTENP1 in the development of breast cancer (BC). Quantitative real-time PCR was utilized to determine the expression of PTENP1 in tissues and cell lines. pcDNA3.1 and shRNA were used to over- and low-express PTENP1 in BC cell lines, and miR-19b mimic and inhibitor were utilized to over- and low-express miR-19b. Then the abilities of cell survival, apoptosis, migration, and invasion were assessed in BC cells with different expression levels of PTENP1 and miR-19b. The expression of PTENP1 was significantly downregulated in both BC tissues and cell lines. Overexpressed PTENP1 could significantly increase cell survival, colony forming, migration, and invasion but decrease apoptosis in BC cell lines. However, overexpressed miR-19b performed contrary effects compared with PTENP1 on cell survival, colony forming, migration, invasion, and apoptosis in BC cell lines. miR-19b can be downregulated by PTENP1, and the effect of overexpressed PTENP1 on the PI3k/Akt pathway could be aborted by overexpressed miR-19b. PTENP1 performed a negative role in the development of BC via downregulating miR-19 probably through the PTEN/PI3K/Akt pathway. PMID- 29212575 TI - Oct4 Is Crucial for Transdifferentiation of Hepatocytes to Biliary Epithelial Cells in an In Vitro Organoid Culture Model. AB - Hepatocyte to biliary transdifferentiation has been documented in various models of bile duct injury. In this process, mature hepatocytes transform into mature biliary epithelial cells by acquiring biliary phenotypic markers. Several signaling pathways including PI3 kinase, Notch, Hes1, Sox9, and Hippo are shown to be involved in the process. However, whether Oct4 is involved in hepatocyte to biliary transdifferentiation is unknown. We investigated the role of Oct4 in hepatocyte to biliary transdifferentiation utilizing an in vitro organoid culture system as a model of transdifferentiation. Oct4 was inhibited using adenovirus containing Oct4 shRNA. Hepatocyte-specific HNF-4alpha and biliary-specific HNF 1beta and CK19 expression were assessed to gauge the extent of transdifferentiation. Oct4 was induced during hepatocyte to biliary transdifferentiation. Oct4 inhibition significantly downregulated the appearance of biliary cells from hepatocytes. This was accompanied by a significant downregulation of signaling pathways including Notch, Sox9, and Hippo. Our findings suggest that Oct4 is crucial for hepatocyte to biliary transdifferentiation and maturation and that it acts upstream of Notch, Sox9, and Hippo signaling in this model. This finding identifies new signaling through Oct4 in plasticity between hepatocytes and biliary epithelial cells, which can be potentially utilized to identify new strategies in chronic biliary diseases. PMID- 29212577 TI - AALAS Publications: Write for All Readers. PMID- 29212576 TI - The Effects of Physical Exercise on Fatty Liver Disease. AB - The increasing prevalence of obesity has made nonalcoholic fatty liver disease (NAFLD) the most common chronic liver disease. As a consequence, NAFLD and especially its inflammatory form nonalcoholic steatohepatitis (NASH) are the fastest increasing etiology of end-stage liver disease and hepatocellular carcinoma. Physical inactivity is related to the severity of fatty liver disease irrespective of body weight, supporting the hypothesis that increasing physical activity through exercise can improve fatty liver disease. This review summarizes the evidence for the effects of physical exercise on NAFLD and NASH. Several clinical trials have shown that both aerobic and resistance exercise reduce the hepatic fat content. From clinical and basic scientific studies, it is evident that exercise affects fatty liver disease through various pathways. Improved peripheral insulin resistance reduces the excess delivery of free fatty acids and glucose for free fatty acid synthesis to the liver. In the liver, exercise increases fatty acid oxidation, decreases fatty acid synthesis, and prevents mitochondrial and hepatocellular damage through a reduction of the release of damage-associated molecular patterns. In conclusion, physical exercise is a proven therapeutic strategy to improve fatty liver disease. PMID- 29212578 TI - To Treat or Not to Treat: The Effects of Pain on Experimental Parameters. AB - A common dilemma faced by all animal bioethics committees arises when exceptions are proposed to the use of analgesics in painful procedures. The committee and researcher must weigh the possible confounding effects of including additional drugs (analgesics) in their treatment regimen against the moral obligation to perform humane research. Often neglected in these considerations are the potential confounding effects of unrelieved pain and consistency with pain relieving practices in human medicine. In this review, we summarize what is currently known regarding the molecular and physiologic effects of pain and analgesics in common animal models used across several therapeutic areas. This work is intended to help provide guidance and assurance that a comprehensive approach has been taken when contemplating how pain relief will be applied in animal research protocols. PMID- 29212579 TI - Time Course of Vitamin D Depletion and Repletion in Reproductive-age Female C57BL/6 Mice. AB - The use of animal models in vitamin D deficiency (VDD) research, particularly in regard to maternal deficits, has increased dramatically, yet these studies may be confounded due to ill-conceived experimental timelines. We conducted 2 experiments to (1) characterize the time course of VDD induction and repletion and (2) explore the long-term consequences of VDD on calcium homeostasis and body composition in reproductive-age female mice. Eight-week-old female C57BL/6 mice were randomized to receive either a vitamin D sufficient (VDS) or VDD diet; serum was collected weekly. At week 4, VDD mice were switched to VDS diet, and serum was collected weekly until week 8. Another group of same-age female mice was maintained on VDD diet for 40 wk. Body weights and serum were collected every 2 wk until week 40, when body composition was measured by using echoMRI. Mice did not become VDD until week 3 of the VDD diet and, after decreasing slightly at 4 wk, serum 25-hydroxyvitamin D remained unchanged through 40 wk. Vitamin D repletion to 25-hydroxyvitamin D concentrations considered adequate by the Institute of Medicine took 2 to 3 wk. Prolonged VDD in mice was marked by hypocalcemia and hyperparathyroidism and led to proportional decreases in both lean and fat mass. These data provide guidance in the design of studies using mice as a maternal VDD model, especially those exploring its effects on the developmental origins of health and disease and highlight the importance of monitoring and controlling the calciotropic effects of diet-induced VDD. This study also shows that prolonged VDD in reproductive-age female C57BL/6 mice induces metabolically meaningful changes in absolute, but not relative, body composition. PMID- 29212580 TI - Mice Housed at Elevated Vivarium Temperatures Display Enhanced T-cell Response and Survival to Francisella tularensis. AB - The inability to translate findings from studies performed in mouse models to the corresponding human condition is well known, especially those involving infectious, atherosclerotic, and other inflammatory diseases. We hypothesize that mice fail to a mount robust or adequate immune response to infectious agents because of physiologic effects of cold stress due to housing temperatures below the mouse thermoneutral zone (TNZ). This hypothesis was tested by comparing the immune response to the Francisella tularensis live vaccine strain in mice housed at a typical vivarium temperature, which is below the TNZ, with that of mice housed at a temperature near their TNZ. Mice maintained at 28 degrees C displayed elevated antigen-specific T-cell responses compared with mice housed at 22 degrees C and survived intranasal challenge that was fatal to immunized mice at 22 degrees C. These results demonstrate that cold stress due to housing below the mouse TNZ results in a blunted immune response and may compromise their translational value a models for infectious diseases and vaccine development. PMID- 29212581 TI - Cationic Liposome-Oligonucleotide Complex as an Alternative Adjuvant for Polyclonal Antibody Production in New Zealand White Rabbits (Oryctolaguscuniculus). AB - Because of their ideal size and temperament, rabbits are commonly used in polyclonal antibody production. Immunostimulatory adjuvants-such as Freund complete and incomplete adjuvants as well as various proprietary products-trigger a robust immune response, which increases antibody concentrations. However, these adjuvants can cause excessive soft tissue reactions, prompting concerns regarding animal wellbeing. This study assessed the safety and efficacy of cationic liposome- oligonucleotide complexes (CLDC) as an alternative adjuvant to conventional adjuvants. On days 0 and 14, 15 female New Zealand white rabbits were vaccinated subcutaneously with 15 MUg ovalbumin mixed with either CLDC, Freund adjuvant (day 0, complete; day 14, incomplete), or a proprietary adjuvant (n = 5 per group). Antibody titers were measured by direct ELISA on days 0, 14, and 28. Rabbits were palpated daily for lesion development, and all lesions were measured. Rabbits in all groups developed a significant antibody response to ovalbumin over 28 d. However, the differences between groups were not statistically significant. No rabbits in the CLDC group developed skin lesions, whereas 80% of rabbits that received Freund adjuvant and 100% of those that received the proprietary product developed skin lesions. This study demonstrates that CLDC may be a valuable and effective alternative adjuvant for polyclonal antibody production in rabbits-one that avoids the palpable injection-site lesions often seen with other adjuvants. PMID- 29212582 TI - Benefits of Intraluminal Agarose Stents during End-to-End Intestinal Anastomosis in New Zealand White Rabbits. AB - In the present study, we evaluated the utility of an intraluminal agarose stent (IAS) for end-to-end intestinal anastomoses in rabbits. Female New Zealand white rabbits (n = 14) underwent conventional sutured anastomosis (CSA) with or without an IAS. IAS were used to maintain the luminal diameter for more rapid and accurate suturing, and then was squeezed transluminally to crush it into fragments, which passed through the intestines and were eliminated. The rabbits were euthanized on postoperative day 21. At necropsy, the anastomoses were assessed for adhesion formation, stenosis, and bursting pressure and were examined histologically for collagen content and blood vessel formation. Anastamosis surgery took less time in the IAS group (15.0 +/- 2.6 min) than in the CSA-only group (30.1 +/- 7.9 min). Only 1 postoperative death occurred (in the CSA group), and postmortem examination revealed evidence of anastomotic leakage. Adhesion formation and stenosis did not differ between groups, but bursting pressure, collagen content, and blood vessel formation were all significantly increased in the IAS group. IAS may decrease the operative time by maintaining a clear surgical field at the anastomotic site. In addition, the use of IAS promotes rapid healing and maintains the luminal diameter during end-to end intestinal anastomosis. PMID- 29212583 TI - Effect of Caloric Restriction on Metabolic Dysfunction of Young Rapacz Familial Hypercholesterolemic Swine (Sus scrofa). AB - The Rapacz familial hypercholesterolemic (FH) swine model is well-characterized and used for studies of both spontaneous and inducible atherosclerosis but has not been used for studies of metabolic dysfunction to date. We examined whether parameters of metabolic syndrome including weight and adiposity, serum cholesterol, and glucoregulatory function could be modulated by restriction of caloric intake in the FH swine. Three groups of FH swine (n = 6 per group) were fed without restriction (AL), 80% of AL caloric intake, or 60% of AL caloric intake for 8.8 +/- 0.5 mo beginning 2 wk after weaning. Caloric intake influenced the rate and magnitude of body weight gain and change in adiposity, as determined by dual-emission X-ray absorptiometry. At the conclusion of the study, pigs in the AL group reached a total least-square mean body weight of 94.2 kg and fat mass of 31.1%, whereas those fed 80% AL were 71.6 kg and 24.3% fat, and swine fed 60% AL were 46.1 kg and 14.1% fat. Serum cholesterol was greater in AL than 60% AL pigs at the end of the study. At 10 mo of age, intravenous glucose tolerance testing, performed to assess glucoregulatory function, indicated significant differences in serum glucose clearance profiles and insulin sensitivity between the AL- and 60% AL-fed swine. The AL-fed animals showed almost 5-fold lower insulin sensitivity when compared with animals fed 60% AL caloric intake. These results highlight the value of the FH swine model to study metabolic dysfunction due to changes in caloric intake. PMID- 29212584 TI - Horner Syndrome in 2 Pigs (Sus scrofa) after Vascular Grafting of the Carotid Artery and Jugular Vein. AB - The term Horner syndrome refers to the clinical presentation of oculosympathoparesis, comprising miosis, ptosis, and facial anhydrosis. To date, there are 2 reports of postoperative Horner syndrome in pigs. In this species the cervical sympathetic chain and cranial cervical sympathetic ganglion are consistently within the carotid artery sheath. This case study describes the sudden onset of Horner syndrome in 2 pigs, from a study cohort of 8, after the placement of a vascular graft between the carotid artery and external jugular vein. Anesthesia and surgery was uneventful in all the pigs in the study, but 2 pigs demonstrated clinical signs including ptosis, enophthalmos and prolapse of the nictitating membrane immediately after recovery from anesthesia. Horner syndrome was diagnosed in light of the clinical signs. These clinical signs persisted throughout the 2-mo study period and did not appear to improve or deteriorate in that time. Gross examination of the surgery site at the end of the study did not reveal an obvious lesion in the carotid artery sheath. The risk of Horner syndrome after surgery involving the carotid artery in pigs had not been reported prior to this study. Without specific measures to protect the cervical sympathetic ganglion during surgery, the incidence of postoperative Horner syndrome was 25% in our population of pigs. Although the welfare implications of this syndrome are minimal, concerted effort to avoid intraoperative damage to the cervical ganglion is essential for future work. PMID- 29212585 TI - Clinical Salmonellosis in a Closed Colony of Blood Donor Cats. AB - An adult feline blood donor, group-housed in a closed colony with other blood donor cats in a laboratory animal facility, developed anorexia, abdominal pain, an abdominal mass effect, and hemorrhagic diarrhea. Ultimately Salmonella infection was diagnosed. The index cat and 2 additional cats in the closed colony had clinical signs consistent with Salmonella and yielded Salmonella serotype 4,12:i:- in fecal cultures. An extensive search for the source of Salmonella was unrewarding. With the implementation of individual housing and additional barrier precautions, combined with antibiotic treatment of the index case, all the cats survived and subsequently had multiple, negative Salmonella PCR test results. This case report highlights the potential for unlikely infections to occur, even in a closed colony of research animals, as well as the important role of sanitation in the elimination of this enteric pathogen. PMID- 29212586 TI - Hypercortisolemia and Depressive-like Behaviors in a Rhesus Macaque (Macaca mulatta) Involved in Visual Research. AB - A 10-y-old cranially implanted rhesus macaque (Macaca mulatta) involved in visual research was presented for dull mentation and weight loss. Physical examination revealed alopecia and poor body conditioning, and bloodwork revealed marked hypercortisolemia (23 MUg/dL). Differential diagnoses for hypercortisolemia, weight loss, and alopecia included Cushing and pseudo-Cushing syndromes. To further evaluate hypercortisolemia, we compared the urine cortisol:creatinine ratio (UCCR) at baseline and after low-dose dexamethasone suppression (LDDS) testing in the presenting animal and healthy naive and implanted working monkeys. At baseline, UCCR was 10 times higher in the presenting macaque (118.1 +/- 7.1) than in naive animals (12.5 +/- 12.8) and 3 times higher than in healthy implanted working macaques (44.4 +/- 6.9); however, levels were suppressed similarly by dexamethasone in both the presenting animal and healthy controls. In addition, healthy implanted working macaques had significantly higher baseline UCCR levels than naive controls, suggesting chronic stress in working animals. Abdominal ultrasonography and radiographs of the presenting animal revealed marked bilateral adrenal mineralization but no overt adrenal tumor or hyperplasia. Overall, these results excluded endogenous Cushing syndrome and prompted us to evaluate different causes of pseudo-Cushing syndrome, including depression. Using videorecordings to evaluate behavior, we used published criteria for macaque models of depression models, including huddling, to make a presumptive diagnosis of depression. The macaque was treated with fluoxetine (2 mg/kg PO daily), provided increased environmental enrichment, and followed over time by regular UCCR assessment and videorecordings. The animal improved clinically and behaviorally, and UCCR returned to levels observed in working implanted macaques (44.4) after 8 wk of treatment. This case highlights the potential effect of research-related work on stress and pathologic behaviors in macaques and demonstrates the utility of UCCR and LDDS for screening behavioral and hypothalamic-pituitary-adrenal abnormalities in these animals. PMID- 29212587 TI - Nonreducible Inguinal Hernia Containing the Uterus and Bilateral Adnexa in a Rhesus Macaque (Macaca mulatta). AB - Inguinal herniation of abdominal viscera is a relatively common condition in both humans and domestic animal species. In captive rhesus macaques (Macaca mulatta), the highest incidence occurs in overweight, aged males. However, inguinal herniation of the uterus with bilateral adnexa is extremely rare in both human and veterinary medicine. Here we report a previously undescribed uterine inguinal herniation with bilateral adnexa in a 3-y-old female rhesus macaque. Although uterine herniation remains a rare condition in rhesus macaques, it should be considered as a differential diagnosis in animals with unilateral subcutaneous enlargements in the inguinal region. PMID- 29212588 TI - Comparisons of vaginal flora patterns among sexual behaviour groups of women: implications for the pathogenesis of bacterial vaginosis. AB - : Background Bacterial vaginosis (BV) is the most common cause of vaginal discharge. The objective was to compare the prevalence of BV by Nugent score among African-American women who have sex with women (WSW) and women who have sex with women and men (WSWM) compared with an age-matched group of women who have sex with men (WSM). Secondary objectives were to correlate low versus high Nugent scores with vaginal symptoms among women with BV and to correlate BV diagnosis with sexual practices. METHODS: A secondary analysis of clinical and laboratory data from African-American WSW (n=73) and WSWM (n=68) participating in the Women's Sexual Health Project (August 2011-October 2013) and a 3:1 age-matched group of African-American WSM participating in the Longitudinal Study of Vaginal Flora (August 1999-February 2002) at a sexually transmissible infection clinic (n=423) was performed. RESULTS: Compared with WSM, WSW and WSWM were significantly more likely to have BV based on the Nugent score (OR 2.63; 95% CI 1.55-4.48; P<0.01 and OR 3.67; 95% CI 2.17-6.21; P<0.01 respectively). WSW and WSWM with BV were not significantly more likely to have higher Nugent scores than WSM with BV. Among women with BV reporting symptoms, there was no significant difference in the proportion of women with low-positive versus high-positive Nugent scores. Women who participated in receptive vaginal sex (penile or digital) within the 30 days preceding study enrolment were significantly more likely to have BV (OR 2.50; 95% CI 1.57-3.63; P<0.01). CONCLUSIONS: WSW and WSWM were significantly more likely to have BV than WSM. Further analysis of sexual practices among sexual behaviour groups of women is needed to determine their potential impact on BV rates. PMID- 29212589 TI - Time to establish comprehensive long-term monitoring of Australian medical graduates? AB - We believe that the well being of our medical students (and medical staff throughout the continuum of practice) matters too much not to ask, 'How do they feel?' Society, and students themselves, have invested too much in their education not to query 'How well are they performing in the workplace?'. Our accountability to the community demands we ask, 'How are their patients going?' This article presents a schema for building long-term monitoring in Australia, using linked and reliable data, that will enable these questions to be answered. Although the answers will be of interest to many, medical schools will then be well placed to alter their programs and processes based on these three domains of graduate well being, workplace performance and patient outcomes. PMID- 29212591 TI - [Pregnancy after bariatric surgery]. AB - This is a review of the recommendations regarding pregnancy after bariatric surgery from the Danish Society of Obstetrics and Gynaecology. The risk of vitamin/mineral deficiencies should be emphasized and checked with blood samples. Measurements of fetal growth should be offered at gestational age 28 and 34 as a supplement to the standard prenatal procedures because of the increased risk of intrauterine growth retardation. Because of persistent obesity there is still an increased risk of hypertension and diabetes mellitus. In case of abdominal pain internal herniation should be suspected. PMID- 29212590 TI - Concordance between monetary and sexual delay discounting in men who have sex with men. AB - : Background Delay discounting has been found to be associated with numerous health-related outcomes, including risky sexual behaviour. To date, it is unclear whether delay discounting measured in different domains is associated within individuals. The goal of this study was to assess the concordance of monetary and sexual delay discounting in men who have sex with men. METHODS: Participants completed an online survey, including the Monetary Choice Questionnaire and the Sexual Discounting Task. Linear regression models were used to assess the association between monetary and sexual discount rates. RESULTS: Sexual discount rates did not predict monetary discount rates. There was a substantial amount of clustering of sexual discount rates, requiring sexual discounting data to be categorised. CONCLUSIONS: Monetary and sexual delay discounting are distinct processes that are not necessarily associated within individuals, and monetary delay discounting is not an appropriate proxy measure for sexual impulsivity. Data from the Sexual Discounting Task are typically rank-transformed for analysis. These data suggest that this might be an invalid method of analysis. Future studies should investigate the distribution of their data to determine if it is appropriate to analyse sexual discounting data as a continuous measure. PMID- 29212592 TI - [Immune checkpoint inhibitors and endocrinological side effects]. AB - Immune checkpoint inhibitors including anti-cytotoxic T-lymphocyte-associated antigen-4 and anti-programmed cell death-1 have revolutionized cancer therapy but have also induced serious immune-related adverse events including hormonal dysfunction. The objective of this review is to characterize the incidence, clinical presentation, management and prognosis of the endocrine-related adverse events including hypophysitis, thyroid dysfunction and diabetes mellitus. Combination therapy is associated with an increased risk of adverse events. We recommend close monitoring of the hormone levels and glycaemic status during and a year after treatment. PMID- 29212593 TI - [Methylene blue against refractory hypotension]. AB - In this case report we describe a 62-year-old man, intoxicated with losartan, an angiotensin-II receptor antagonist. The patient presented with a systolic blood pressure of 60 mmHg, metabolic acidosis, and hyperglycaemia. His condition worsened within the first hour of arrival despite infusion of four litres of saline, epinephrine, norepinephrine, and vasopressin as well as insulin and antibiotics. Intravenous methylene blue 75 mg was infused over five minutes. Within 30 minutes his systolic pressure increased to 100 mmHg, and the infusion of epinephrine could be reduced four hours later. PMID- 29212594 TI - [False positive troponin I due to heterophile antibodies]. AB - The troponin I (TnI) level is essential in the diagnosis of acute myocardial infarction, but may be elevated by other cardial and non-cardial causes. We report a 32-year-old pregnant woman admitted to hospital because of chest pain and dyspnoea. TnI levels were significantly elevated, although there was no suspicion of acute coronary syndrome or myocarditis, and supplementary diagnostics excluded pulmonary embolism. The TnI level was found to be falsely elevated due to immunoassay interference. We stress the need to be aware of the possibility of false positive TnI, especially during pregnancy. PMID- 29212595 TI - [The human gut microbiota]. AB - Characterization of the human gut microbiota has caused a paradigm shift in modern biomedical research. Maintenance of gut microbiota depends on mutual microbe-host interactions, which when disturbed can lead to dysbiosis. Dysbiosis has been associated with a variety of autoimmune and metabolic diseases. Studies attempt to define bacterial compositional changes, immunity responses or molecular patterns associated with specific diseases. The immense research in the human microbiota may lead to novel therapeutic strategies by development of commensal microbe products in management of diseases. PMID- 29212596 TI - Rare cases of Blastobotrys raffinosifermentans as cause of FEV1 decline in two CF patients - Whole genome sequencing to exclude transmission. PMID- 29212597 TI - Response to: The use of coarsened exact matching to evaluate treatment mode in the rib fracture patient. PMID- 29212598 TI - The Association Between Vitamin D Deficiency and Metabolic Syndrome in Korean Adolescents. AB - PURPOSE: This study aimed to analyze the demographic characteristics associated with vitamin D deficiency, as well as the association between vitamin D deficiency and metabolic syndrome, among Korean adolescents. DESIGN AND METHODS: This cross-sectional descriptive study involved 2314 adolescents aged 12-18years. Participant data were extracted from the Korean National Health and Nutrition Examination Survey conducted between January 2010 and December 2014. A logistic regression analysis was performed to analyze the association between vitamin D and metabolic syndrome. All analyses were performed using IBM SPSS Statistics 24. RESULTS: Among the participants, 78% exhibited vitamin D deficiency and 7.8% had metabolic syndrome. The vitamin D deficient and sufficient groups differed significantly in terms of age, sex, household income, and self-perceived health status. Among the subcomponents of metabolic syndrome, vitamin D deficiency was associated with a 2.07-fold higher risk of elevated fasting blood glucose (>=100mg/dL). CONCLUSIONS: The association of vitamin D deficiency with an increased risk of elevated fasting blood glucose levels suggests that adolescents in this population should receive interventions to prevent and manage diabetes. In the future, the effects of vitamin D deficiency on chronic health problems, including diabetes, should be investigated in adolescents. PRACTICE IMPLICATIONS: Adolescents with vitamin D deficiency should be screened for prediabetes, and clinicians should be concerned about both the diagnosis and prevention of diabetes in this population. PMID- 29212599 TI - Depressive Symptoms at Critical Times in Youth With Type 1 Diabetes: Following Type 1 Diabetes Diagnosis and Insulin Pump Initiation. AB - PURPOSE: Depressive symptoms occur at various times during the life cycle in persons with type 1 diabetes. We investigated depressive symptoms prospectively in youth with new-onset type 1 diabetes and in those beginning pump therapy. METHODS: Youth with type 1 diabetes (N = 96), ages 10-17 years, completed the Children's Depression Inventory (CDI) at baseline and at 1, 6, and 12 months after diabetes onset or pump start; scores >=13 indicated clinical elevation. The change in depressive symptoms and the association between CDI score and hemoglobin A1c (HbA1c) level were assessed over 1 year. RESULTS: The new-onset group (n = 54) had an HbA1c level of 11.4% +/- 2.5%. The pump group (n = 42) had a diabetes duration of 4.1 +/- 3.4 years and an HbA1c level of 8.3% +/- 1.3%. The baseline median CDI was 5.0 in both groups and remained low over time (ranging from 2.0 to 3.5). Most youth (new onset 72%, pump 81%) scored <13 at all times. Those with a CDI score of >=13 in month 1 had 9-fold (95% confidence interval: 3 28) and 11-fold (95% confidence interval: 3-38) higher risks of CDI score of >=13 at 6 and 12 months, respectively, than those with a CDI score of <13. New-onset youth with a CDI score of >=13 in month 1 had a higher HbA1c level at 6 months (8.3% +/- 1.7%) than new-onset youth with a CDI score of <13 (7.2% +/- 1.6%, p = .04). CONCLUSIONS: CDI scores over 1 year were similar in the new-onset and pump groups. Youth with elevated CDI in the first month after diagnosis or pump start were significantly more likely to have a CDI score of >=13 at 6 or 12 months, supporting recommendations to screen for depressive symptoms because of persistence over time. Those with new-onset diabetes and depressive symptoms in the first month had higher HbA1c at 6 months; confirmatory research is needed. PMID- 29212600 TI - Two distinct entities: Bladder oversensitivity and detrusor overactivity. PMID- 29212601 TI - Autonomic imbalance in sepsis. PMID- 29212602 TI - A randomized cross-over study comparing surgical cricothyrotomy techniques by combat medics using a synthetic cadaver model. AB - OBJECTIVE: Cricothyrotomy is a complex procedure with a high rate of complications including failure to cannulate and injury to adjacent anatomy. The Control-CricTM System and QuickTrach IITM represent two novel devices designed to optimize success and minimize complications with this procedure. This study compares these two devices against a standard open surgical technique. METHODS: We conducted a randomized crossover study of United States Army combat medics using a synthetic cadaver model. Participants performed a surgical cricothyrotomy using the standard open surgical technique, Control-CricTM System, and QuickTrach IITM device in a random order. The primary outcome was time to successful cannulation. The secondary outcome was first-attempt success. We also surveyed participants after performing the procedures as to their preferences. RESULTS: Of 70 enrolled subjects, 65 completed all study procedures. Of those that successfully cannulated, the mean times to cannulation were comparable for all three methods: standard 51.0s (95% CI 45.2-56.8), QuickTrach IITM 39.8s (95% CI 31.4-48.2) and the Cric-ControlTM 53.6 (95% CI 45.7-61.4). Cannulation failure rates were not significantly different: standard 6.2%, QuickTrach IITM 13.9%, Cric-ControlTM 18.5% (p=0.106). First pass success rates were also similar (93.4%, 91.1%, 88.7%, respectively, p=0.670). Of respondents completing the post study survey, a majority (52.3%) preferred the QuickTrach IITM device. CONCLUSIONS: We identified no significant differences between the three cricothyrotomy techniques with regards to time to successful cannulation or first pass success. PMID- 29212603 TI - Floating Aortic Thrombus in a Non-aneurysmal and Non-atherosclerotic Aorta. PMID- 29212604 TI - Asymmetrical Arterial Diameters. PMID- 29212605 TI - Artificial blastocoel collapse of human blastocysts before vitrification and its effect on re-expansion after warming - a prospective observational study using time-lapse microscopy. AB - Vitrified human blastocysts show varied re-expansion capacity after warming. This prospective observational study compared behaviour of artificially collapsed blastocysts (study group patients, n = 69) to that of blastocysts that were vitrified without artificial collapse (control group patients, n = 72). Warmed blastocysts were monitored by time-lapse microscopy and blastocoel re-expansion speed and growth patterns compared between study and control groups. These parameters were also retrospectively compared between blastocysts that resulted in live birth and those that failed. Artificially collapsed blastocysts re expanded on average 15.01 um2/min faster than control blastocysts (P = 0.0013). Warmed blastocysts expressed four different patterns of blastocoel growth. The pattern showing contractions at the end of culture was observed to have a lower prevalence in control blastocysts, which coincided with the lower incidence of hatching in this group. Re-expansion speed and prevalence of growth patterns were comparable between blastocysts that did and did not result in a live birth. This was seen in the study and control groups. Despite faster re-expansion and different growth patterns of artificially collapsed blastocysts, live birth rate did not differ between groups. However, this result should be interpreted with caution due to the small sample size and high risk of bias. PMID- 29212606 TI - A prospective study of breed differences in the thermal pain sensitivity of dogs. AB - OBJECTIVE: To compare the thermal nociceptive thresholds (TNTs) of dogs from three working/sport breeds. STUDY DESIGN: Experimental prospective study. ANIMALS: Thirty healthy adult dogs of mixed age, sex and reproductive status, 10 of each of three breeds: Harrier Hound, Greyhound and New Zealand Huntaway. METHODS: On one day of each week for 4 weeks, unrestrained dogs were tested six times. TNTs were measured using a remotely activated device comprising a thermode attached to the thoracic limb, controlled by a microprocessor attached to the animal. Latency to exhibit behaviour indicative of nociception after initiation of heating and the temperature of the thermode at the point of behavioural response were measured. Linear mixed-effects models were fitted to the data, with dog included as a random effect, initial thermode temperature as a covariate and day, week and breed as fixed effects. RESULTS: Initial thermode temperature significantly affected dogs' latency to respond (p < 0.001). Breed had a significant effect on both latency to respond and response temperature. Huntaways took longer to respond than Harriers or Greyhounds. For example, when the initial thermode temperature was 30 degrees C, Huntaways took 39.0 seconds to respond compared with 35.8 seconds for Harriers and 36.8 seconds for Greyhounds. Huntaways also responded at higher temperatures (mean+/-standard deviation: Huntaways 49.7+/-1.3 degrees C, Harriers 48.4+/-1.6 degrees C and Greyhounds 48.7+/-1.6 degrees C). CONCLUSIONS AND CLINICAL RELEVANCE: Huntaways appeared to be less sensitive to thermal pain than the other breeds. Such information could be used by researchers and clinicians to better understand the generalizability of data gathered from a specific breed to the wider canine population or to tailor more effective pharmacological approaches to pain management in dogs. PMID- 29212607 TI - When syntax meets action: Brain potential evidence of overlapping between language and motor sequencing. AB - This study aims to extend the embodied cognition approach to syntactic processing. The hypothesis is that the brain resources to plan and perform motor sequences are also involved in syntactic processing. To test this hypothesis, Event-Related brain Potentials (ERPs) were recorded while participants read sentences with embedded relative clauses, judging for their acceptability (half of the sentences contained a subject-verb morphosyntactic disagreement). The sentences, previously divided into three segments, were self-administered segment by-segment in two different sequential manners: linear or non-linear. Linear self administration consisted of successively pressing three buttons with three consecutive fingers in the right hand, while non-linear self-administration implied the substitution of the finger in the middle position by the right foot. Our aim was to test whether syntactic processing could be affected by the manner the sentences were self-administered. Main results revealed that the ERPs LAN component vanished whereas the P600 component increased in response to incorrect verbs, for non-linear relative to linear self-administration. The LAN and P600 components reflect early and late syntactic processing, respectively. Our results convey evidence that language syntactic processing and performing non-linguistic motor sequences may share resources in the human brain. PMID- 29212608 TI - Clinical Islet Transplantation for Adults With Type 1 Diabetes in Canada: Referral Patterns and Eligibility Assessment. AB - OBJECTIVES: Careful selection for clinical islet transplantation (CIT) is required because of limited organ supply and the risks for lifelong immunosuppression. However, the indications for this novel treatment may not be widely known, and selection criteria continue to evolve. We sought to describe the pattern of referrals to our centre and the most common factors determining eligibility for CIT. METHODS: We performed a retrospective chart review of all applications for CIT received at the University of Alberta between May 2009 and April 2012. Demographics and clinical data were abstracted along with the sources of referral. Application results and reasons for eligibility or ineligibility were determined. For ineligible subjects, the primary reason for ineligibility was noted. RESULTS: We received 246 applications (mean age 43; range, 13 to 78 years; 54% male) from across Canada. The majority (81%) were self-referrals, with the remainder coming from specialists (15%) or primary care physicians (4%). Of the applicants, 19% were deemed eligible and were accepted for waitlisting. Acceptance rates were not different between physician referrals and self referrals (25% vs. 18%; p=ns). The main reasons for ineligibility were no indication (39%); contraindications (metabolic, 21%; medical comorbidity, 17%; psychosocial, 8%) or personal factors (15%). CONCLUSIONS: Most referrals were received from people with diabetes, but acceptance rates were not significantly lower than for physician referrals. It will be important to increase awareness of severe hypoglycemia or glycemic lability as major indications for CIT among patients and physicians and to evaluate any impact this may have on the current acceptance rate of 19%. PMID- 29212609 TI - Effect of Combined Exercise Versus Aerobic-Only Training on Skeletal Muscle Lipid Metabolism in a Rodent Model of Type 1 Diabetes. AB - OBJECTIVES: Abnormal skeletal muscle lipid metabolism is associated with insulin resistance in people with type 1 diabetes. Although lipid metabolism is restored with aerobic exercise training, the risk for postexercise hypoglycemia is increased with this modality. Integrating resistance and aerobic exercise is associated with reduced hypoglycemic risk; however, the effects of this exercise modality on lipid metabolism and insulin resistance remain unknown. We compared the effects of combined (aerobic + resistance) versus aerobic exercise training on oxidative capacity and muscle lipid metabolism in a rat model of type 1 diabetes. METHODS: Male Sprague-Dawley rats were divided into 4 groups: sedentary control (C), sedentary control + diabetes (CD), diabetes + high-intensity aerobic exercise (DAE) and diabetes + combined aerobic and resistance exercise (DARE). Following diabetes induction (20 mg/kg streptozotocin over five days), DAE rats ran for 12 weeks (5 days/week for 1 hour) on a motorized treadmill (27 m/min at a 6-degree grade), and DARE rats alternated daily between running and incremental weighted ladder climbing. RESULTS: After training, DAE showed reduced muscle CD36 protein content and lipid content compared to CD (p<=0.05). DAE rats also had significantly increased citrate synthase (CS) activity compared to CD (p<=0.05). DARE rats showed reduced CD36 protein content compared to CD and increased CS activity compared to CD and DAE rats (p<=0.05). DARE rats demonstrated increased skeletal muscle lipid staining, elevated lipin-1 protein content and insulin sensitivity (p<=0.05). CONCLUSIONS: Integration of aerobic and resistance exercise may exert a synergistic effect, producing adaptations characteristic of the "athlete's paradox," including increased capacity to store and oxidize lipids. PMID- 29212610 TI - Moving beyond symptom management towards cancer rehabilitation for older adults: Answering the 5W's. AB - Older adults with cancer are quickly becoming the largest group of cancer survivors. Chronological age is a poor predictor of cancer treatment outcomes and of the need for rehabilitation services. While newer symptom management systems and assessments are slowly becoming used in the clinic to improve communication between providers and survivors, such assessments are rarely used to trigger a referral to rehabilitation. Cancer rehabilitation for older adults with cancer has the potential to improve the quality of life and decrease disability caused by cancer and its treatments. One barrier to referral to cancer rehabilitation remains an understanding of what cancer rehabilitation is, and who, when, where, and why to refer to rehabilitation services. This report utilizes examples of three popular geriatric, distress and symptom measures to help answer these questions. PMID- 29212611 TI - Re: 'Public sentiment and discourse about Zika virus on Instagram'. PMID- 29212612 TI - Re: Letter to the Editor of Public Health in response to 'Public sentiment and discourse about Zika virus on Instagram'. PMID- 29212613 TI - Hyperglycemia and hyponatremia. PMID- 29212615 TI - Reply. PMID- 29212614 TI - Clinical trials in gynecologic oncology: Past, present, and future. AB - The Gynecologic Oncology Group has historically performed ground-breaking, practice-changing clinical trials in women's cancers. The current standard of care for initial treatment of ovarian, endometrial, cervical, and trophoblastic cancers was determined by clinical trials completed within this cooperative group structure. For example, trial GOG-0111 set the standard for combining platinum and taxane chemotherapy in ovarian cancer, and more recently GOG-0240 provided evidence for adding bevacizumab to chemotherapy for women with advanced cervical cancer. The landscape of clinical trial design has markedly changed in recent decades, with a clear emphasis on streamlining drug development towards specific patient populations and indications for investigational agents. Translational science in gynecologic cancers can set the stage for rapid and efficient introduction of new therapies for our patients. The gynecologic oncology community of researchers and clinicians is well positioned to enter into the new era of drug development, with breakthrough discoveries increasing each year. It is clear that we must incorporate smarter clinical trial design to get the right drugs to the right patients expeditiously, so we can continue to improve outcome for women with gynecologic cancers. PMID- 29212616 TI - Editorial Comment. PMID- 29212617 TI - Diagnostic Role of Anal Sphincter Relaxation Integral in High-Resolution Anorectal Manometry for Hirschsprung Disease in Infants. AB - OBJECTIVE: To investigate the possible diagnostic role of anal sphincter relaxation integral (ASRI) in high-resolution anorectal manometry (HRAM) for Hirschsprung disease. STUDY DESIGN: We performed conventional anorectal manometry (ARM) in 24 infants (8 with Hirschsprung disease and 16 without Hirschsprung disease) and HRAM in another 21 infants (9 with Hirschsprung disease and 12 without Hirschsprung disease) before and after October 2014. All infants underwent rectal suction biopsy for confirmation of Hirschsprung disease. We quantified rectoanal inhibitory reflex (RAIR) adequacy by calculating the ASRI in HRAM study at pressure cutoffs of less than 10, 15, and 20 mm Hg (ASRI10, ASRI15, and ASRI20, respectively) and investigated the diagnostic utility. RESULTS: Patients with Hirschsprung disease who underwent HRAM had significantly lower ASRI10, ASRI15, and ASRI20 values than did infants without Hirschsprung disease (P = .0002, .0002, and .0003, respectively), indicating significant difference in internal anal sphincter relaxation during RAIR test between these 2 groups. ASRI10 exhibited a greater diagnostic accuracy, area under the curve, sensitivity, and specificity than did ASRI15 and ASRI20 for Hirschsprung disease. Moreover, the diagnostic accuracy of HRAM for Hirschsprung disease based on ASRI10 <7 mm Hg.s.cm was significantly greater than that of conventional ARM (P = .02). CONCLUSIONS: ASRI10 may be indicative of the adequacy of RAIR by HRAM in infants, thus assisting the diagnosis of Hirschsprung disease. The diagnostic accuracy of HRAM (based on the ASRI10 value) is greater than that of conventional ARM for Hirschsprung disease. ASRI10 may be used in an automatic HRAM analysis system for the diagnosis of anorectal motility disorders. PMID- 29212619 TI - Zinc Protoporphyrin-to-Heme Ratio and Ferritin as Measures of Iron Sufficiency in the Neonatal Intensive Care Unit. AB - OBJECTIVES: To evaluate ferritin and zinc protoporphyrin-to-heme (ZnPP/H) ratios as biomarkers of iron status in neonates, determine how specific clinical events affected these measures, and assess how iron status changed during hospitalization. STUDY DESIGN: We performed a retrospective study of all infants with paired ferritin and ZnPP/H measurements between October 2014 and May 2016. Concordance of these measurements, effects of sepsis, red blood cell transfusion, erythropoietin treatment, and iron supplementation were assessed. Iron status was measured over time. RESULTS: A total of 228 patients (mean birth weight 1.3 kg, median gestational age 29 weeks) were evaluated. Mean log ZnPP/H values in infants with and without sepsis were not significantly different (4.98 umol/mol vs 4.97 umol/mol, adjusted P = .103), whereas log-transformed ferritin values increased significantly during infection (5.23 ng/mL vs 4.04 ng/mL, adjusted P < .001). Ferritin also increased more significantly than ZnPP/H following red blood cell transfusion (ferritin: mean 5.03 ng/mL vs 4.0 ng/mL, P < .001; ZnPP/H: mean 4.85 umol/mol vs 4.98 umol/mol, P < .001). The mean iron supplementations at 30, 60, and 90 days were 5.4, 6.9, and 7.4 mg/kg/day, respectively. Ferritin values decreased with advancing postnatal age (adjusted P < .001), with 66% of ferritin values less than 76 ng/mL. Treatment with erythropoietin increased ZnPP/H, but not ferritin levels. CONCLUSIONS: Ferritin is more significantly affected by inflammatory events such as sepsis and transfusion than ZnPP/H, thus, ZnPP/H may be a more reliable marker of iron status in this population. Infants showed worsening iron sufficiency over time despite supplementation above American Academy of Pediatrics guidelines. PMID- 29212618 TI - Altered Cerebral Perfusion in Infants Born Preterm Compared with Infants Born Full Term. AB - OBJECTIVES: To compare regional cerebral cortical blood flow (CBF) in infants born very preterm at term-equivalent age (TEA) and healthy newborns born full term and to examine the impact of clinical risk factors on CBF in the cohort born preterm. STUDY DESIGN: This prospective, cross-sectional study included infants born very preterm (gestational age at birth <32 weeks; birth weight <1500 g) and healthy infants born full term. Using noninvasive 3T arterial spin labeling magnetic resonance imaging, we quantified regional CBF in the cerebral cortex: sensorimotor/auditory/visual cortex, superior medial/dorsolateral prefrontal cortex, anterior cingulate cortex (ACC)/posterior cingulate cortex, insula, and lateral posterior parietal cortex, as well as in the brainstem, and deep gray matter. Analyses were performed controlling for sex, gestational age, and age at magnetic resonance imaging. RESULTS: We studied 202 infants: 98 born preterm and 104 born full term at TEA. Infants born preterm demonstrated greater global CBF (beta = 9.03; P < .0001) and greater absolute regional CBF in all brain regions except the insula. Relative CBF in the insula, ACC and auditory cortex were decreased significantly in infants born preterm compared with their peers born at full term (P < .0001; P = .026; P = .036, respectively). In addition, the presence of parenchymal brain injury correlated with lower global and regional CBF (insula, ACC, sensorimotor, auditory, and visual cortices) whereas the need for cardiac vasopressor support correlated with lower regional CBF in the insula and visual cortex. CONCLUSIONS: Altered regional cortical CBF in infants born very preterm at TEA may reflect early brain dysmaturation despite the absence of cerebral cortical injury. Furthermore, specific cerebral cortical areas may be vulnerable to early hemodynamic instability and parenchymal brain injury. PMID- 29212620 TI - One-Year Outcome for Congenital Diaphragmatic Hernia: Results From the French National Register. AB - OBJECTIVE: To evaluate the status of congenital diaphragmatic hernia (CDH) management in France and to assess predictors of adverse outcomes. STUDY DESIGN: We reviewed the first-year outcome of all cases of CDH reported to the French National Register in 2011. RESULTS: A total of 158 cases were included. Of these, 83% (131) were prenatally diagnosed, with a mortality rate of 39% (44 of 112) for live born infants with a known outcome at hospital discharge. Mortality increased to 47% (60 of 128) including those with termination of pregnancy and fetal loss. This contrasts with the 7% (2 of 27) mortality rate of the patients diagnosed postnatally (P = .002). Mortality worsened with 1 prenatal marker of CDH severity (OR 3.38 [1.30-8.83] P = .013) and worsened further with 2 markers (OR 20.64 [5.29-80.62] P < .001). Classic postnatal risk factors of mortality such as side of hernia (nonleft P = .001), prematurity (P < .001), low birth weight (P = .002), and size of the defect (P < .001) were confirmed. Of the 141 live births (114 prenatal and 27 postnatal diagnosis) with known outcomes, 93 (67%) survived to hospital discharge, 68 (60%) with a prenatal diagnosis and 25 (93%) with a postnatal diagnosis. The median time to hospital discharge was 34 days (IQR, 19.25-62). Of these survivors, 71 (76%) were followed up for 1 year. CONCLUSIONS: Despite advances in management of CDH, mortality was high and associated with prenatal risk factors. Postnatally, severe persistent pulmonary hypertension was difficult to predict and presented persistent challenges in management. PMID- 29212621 TI - Stenotic Lesions and the Maximum Diameter of Coronary Artery Aneurysms in Kawasaki Disease. AB - OBJECTIVES: To determine the prevalence of subsequent stenotic lesions based on the maximum diameter of the largest coronary artery aneurysm in patients with Kawasaki disease and the threshold value of coronary artery diameter associated with risk of developing stenotic lesion. STUDY DESIGN: There were 214 patients (160 males) who had at least 1 aneurysm in a selective coronary angiogram (CAG) done <100 days after the onset of Kawasaki disease were studied. We measured the maximal coronary artery aneurysm diameter in 3 major branches in the initial CAGs. Branches were classified into 3 groups according to their maximal coronary artery aneurysm diameter: large, >=8.0 mm; medium, >=6.0 mm but <8.0 mm; and small, <6.0 mm. Subsequent CAGs were performed in the late follow-up period. We investigated the stenotic lesion in the follow-up CAGs, and evaluated the prevalence of stenotic lesion in each group based on body surface area (BSA) by the Kaplan-Meier method. Localized stenosis of >=25% and complete occlusion were included as stenotic lesion in this study. We also determined the cutoff point for stenotic lesion. RESULTS: The median interval from the initial CAGs to the latest CAG was 8 years, with a maximum of 32 years. For a BSA of <0.50 m2, the 20 year prevalence of large and medium stenotic lesions was 78% (n = 62; 95% CI, 63 89) and 81% (n = 40; 95% CI, 63-89), respectively. For a BSA of >=0.50 m2, large and medium stenotic lesions were 82% (n = 75; 95% CI, 67-91) and 40% (n = 56; 95% CI, 20-64), respectively (P < .0001). CONCLUSION: The cutoff points of the coronary artery diameter within the first 100 days after the onset of Kawasaki disease leading to a stenotic lesion in the late period, were a diameter of >=6.1 mm with a BSA of <0.50 m2 and a diameter of >=8.0 mm with a BSA of >=0.50 m2. Those cutoff points would have corresponded with a Z score of at least 10 on 2 dimensional echocardiography. Careful follow-up and antithrombotic therapy should be provided to patients who meet these criteria. PMID- 29212622 TI - Improvement of Outcomes for Children with Down Syndrome. PMID- 29212623 TI - Intrauterine and Early Postnatal Exposure to Particulate Air Pollution and Kawasaki Disease: A Nationwide Longitudinal Survey in Japan. AB - OBJECTIVES: To examine the effects of prenatal and postnatal exposure to particulate matter on Kawasaki disease (KD) occurrence, using data from a nationwide population-based longitudinal survey in Japan that began in 2010. STUDY DESIGN: Prenatal and postnatal suspended particulate matter concentrations were obtained at municipality level and assigned to participants based on their municipality of birth. We analyzed data from 30 367 participants with data on either exposure period. We used hospital admission for KD from 6 to 30 months of age as the main outcome of interest. We conducted a multilevel logistic regression analysis, adjusting for individual and municipality-level variables. RESULTS: Children who were exposed to higher levels of suspended particulate matter, in particular during pregnancy, were more likely to be hospitalized for KD. The ORs for >=25 ug/m3 exposure compared with <20 ug/m3 exposure were 1.59 (95% CI 1.06, 2.38) for prenatal exposure and 1.41 (0.82, 2.41) for postnatal exposure. Prenatal exposure during mid-to-late gestation seemed to be more relevant for the increased risk. CONCLUSIONS: Early life exposure to particulate air pollution, in particular during pregnancy, is associated with an increased risk of KD hospital admission in early childhood in a nationally representative sample in Japan. PMID- 29212624 TI - Clinical Indices Can Standardize and Monitor Pediatric Care: A Novel Mechanism to Improve Quality and Safety. AB - OBJECTIVE: The Cancer Care Index (CCI), a single metric that sums the number of undesirable patient events in a given time frame (either preventable harm events or missed opportunities to provide optimal care), resulted in a 42% improvement in performance. Our objective was to test the index concept in other service lines to determine whether similar performance improvement occurred. STUDY DESIGN: Care indices were developed and introduced in 3 additional service lines: Nephrology (Chronic Kidney Disease Care Index; CKDCI), Pulmonology (Lung Transplantation Care Index; LTCI), and Otolaryngology (Tracheostomy Care Index; TCI). After reaching agreement on specific harms to be avoided and elements of optimal care that should be reliably delivered, these items were compiled into indices that were updated monthly. Reports included each element individually and the total for all elements. Baseline performance was calculated retrospectively for the previous year. RESULTS: Significant improvement in performance occurred in each program following implementation of the clinical indices. The CKDCI was decreased by 63.2% (P < .001), the LTCI was decreased by 89.5% (P < .001), and the TCI was decreased by 53.0% (P < .001). Surveyed staff indicated satisfaction with use of the metric. CONCLUSIONS: Clinical indices are useful for evaluating and managing the overall reliability of a program's ability to deliver optimal care, and are associated with improved clinical performance and satisfaction by service line staff when incorporated into a program's operation. PMID- 29212625 TI - Use of tricortical iliac crest strut autograft in comminuted posterior wall acetabular fractures: A case series. AB - PURPOSE: The results for fixation of comminuted posterior wall acetabular fractures are not very promising with reported complications in terms of osteoarthritis, nonunion and malunion which subsequently require conversion to total hip arthroplasty. The conversion to total hip arthroplasty is possible in patients over 50 years of age but not in younger patients. So this requires new methods for salvage of the native hip in young patients. METHODS: There were six patients in our series with highly comminuted posterior wall acetabular fractures where the fragments were excised and the gap filled with tricortical anterior iliac-crest strut autograft, fixed with screws and plate. RESULTS: Good results were achieved in four out of six patients analyzed clinically using the Merle d'Aubinge score modified by Matta and radiologically by Matta scoring. These patients have returned to original work and are walking independently. The good result in one patient deteriorated from good to poor between one and two years. One patient developed infection and excision arthroplasty was done. The graft incorporated well in five out of six patients. CONCLUSION: The use of iliac crest autograft is a better, advanced and promising technique as it provides a new wall to the weight bearing dome of the acetabulum for articulation with the femoral head. The rates of nonunion, malunion, post traumatic osteoarthritis are less as compared to the fixation of the comminuted fragments. The need for conversion to total hip arthroplasty is also less. PMID- 29212626 TI - A Lesser Known Side Effect of Tigecycline: Hypofibrinogenemia. PMID- 29212627 TI - How Do Infant Feeding Apps in China Measure Up? A Content Quality Assessment. AB - BACKGROUND: Globally, with the popularization of mobile phones, the number of health-related mobile phone apps has skyrocketed to 259,000 in 2016. In the digital era, people are accessing health information through their fingertips. In China, there are several apps that claim to provide infant feeding and nutrition guidance. However, the quality of information in those apps has not been extensively assessed. OBJECTIVE: We aimed to assess the quality of Chinese infant feeding apps using comprehensive quality assessment criteria and to explore Chinese mothers' perceptions on apps' quality and usability. METHODS: We searched for free-to-download Chinese infant feeding apps in the iTunes and Android App Stores. We conducted a comprehensive assessment of the accountability, scientific basis, accuracy of information relevant to infant feeding, advertising policy, and functionality and carried out a preliminary screening of infant formula advertisements in the apps. In addition, we also conducted exploratory qualitative research through semistructured interviews with Chinese mothers in Shanghai to elicit their views about the quality of apps. RESULTS: A total of 4925 apps were screened, and 26 apps that met the selection criteria were evaluated. All 26 apps were developed by commercial entities, and the majority of them were rated poorly. The highest total score was 62.2 (out of approximately 100) and the lowest was 16.7. In the four quality domains assessed, none of them fulfilled all the accountability criteria. Three out of 26 apps provided information covering the three practices from the World Health Organization's infant feeding recommendations. Only one app described its advertising policy in its terms of usage. The most common app functionality was a built-in social forum (19/26). Provision of a website link was the least common functionality (2/26). A total of 20 out of 26 apps promoted infant formula banner advertisements on their homepages. In addition, 12 apps included both e-commerce stores and featured infant formula advertisements. In total, 21 mothers were interviewed face-to face. Mothers highly valued immediate access to parenting information and multifunctionality provided by apps. However, concerns regarding incredible information and commercial activities in apps, as well as the desire for information and support offered by health care professionals were expressed. CONCLUSIONS: The findings provide valuable information on Chinese infant feeding apps. The results are concerning, particularly with the relative absence of scientific basis and credibility and the large number of commercial advertisements that are displayed. Apps do seem to be able to provide an opportunity for mothers to access health information and support; it is time for tighter controls on content and advertisements. Ongoing app research and development should focus on implementation of a standard framework, which would drive the development of high-quality apps to support healthy infant feeding through cooperation among academics, health professionals, app users, app developers, and government bodies. PMID- 29212628 TI - Mobile Health Intervention to Increase Oral Cancer Therapy Adherence in Patients With Chronic Myeloid Leukemia (The REMIND System): Clinical Feasibility and Acceptability Assessment. AB - BACKGROUND: Optimal dosing of oral tyrosine kinase inhibitor therapy is critical to treatment success and survival of patients with chronic myeloid leukemia (CML). Drug intolerance secondary to toxicities and nonadherence are significant factors in treatment failure. OBJECTIVE: The objective of this study was to develop and pilot-test the clinical feasibility and acceptability of a mobile health system (REMIND) to increase oral drug adherence and patient symptom self management among people with CML (chronic phase). METHODS: A multifaceted intervention was iteratively developed using the intervention development framework by Schofield and Chambers, consisting of defining the patient problem and iteratively refining the intervention. The clinical feasibility and acceptability were examined via patient and intervention nurse interviews, which were audiotaped, transcribed, and deductively content analyzed. RESULTS: The intervention comprised 2 synergistically operating elements: (1) daily medication reminders and routine assessment of side effects with evidence-based self-care advice delivered in real time and (2) question prompt list (QPL) questions and routinely collected individual patient adherence and side effect profile data used to shape nurses' consultations, which employed motivational interviewing to support adoption of self-management behaviors. A total of 4 consultations and daily alerts and advice were delivered over 10 weeks. In total, 58% (10/17) of patients and 2 nurses participated in the pilot study. Patients reported several benefits of the intervention: help in establishing medication routines, resolution of symptom uncertainty, increased awareness of self-care, and informed decision making. Nurses also endorsed the intervention: it assisted in establishing pill-taking routines and patients developing effective solutions to adherence challenges. CONCLUSIONS: The REMIND system with nurse support was usable and acceptable to both patients and nurses. It has the potential to improve adherence and side-effect management and should be further evaluated. PMID- 29212629 TI - Patients' Acceptance of Smartphone Health Technology for Chronic Disease Management: A Theoretical Model and Empirical Test. AB - BACKGROUND: Chronic disease patients often face multiple challenges from difficult comorbidities. Smartphone health technology can be used to help them manage their conditions only if they accept and use the technology. OBJECTIVE: The aim of this study was to develop and test a theoretical model to predict and explain the factors influencing patients' acceptance of smartphone health technology for chronic disease management. METHODS: Multiple theories and factors that may influence patients' acceptance of smartphone health technology have been reviewed. A hybrid theoretical model was built based on the technology acceptance model, dual-factor model, health belief model, and the factors identified from interviews that might influence patients' acceptance of smartphone health technology for chronic disease management. Data were collected from patient questionnaire surveys and computer log records about 157 hypertensive patients' actual use of a smartphone health app. The partial least square method was used to test the theoretical model. RESULTS: The model accounted for .412 of the variance in patients' intention to adopt the smartphone health technology. Intention to use accounted for .111 of the variance in actual use and had a significant weak relationship with the latter. Perceived ease of use was affected by patients' smartphone usage experience, relationship with doctor, and self efficacy. Although without a significant effect on intention to use, perceived ease of use had a significant positive influence on perceived usefulness. Relationship with doctor and perceived health threat had significant positive effects on perceived usefulness, countering the negative influence of resistance to change. Perceived usefulness, perceived health threat, and resistance to change significantly predicted patients' intentions to use the technology. Age and gender had no significant influence on patients' acceptance of smartphone technology. The study also confirmed the positive relationship between intention to use and actual use of smartphone health apps for chronic disease management. CONCLUSIONS: This study developed a theoretical model to predict patients' acceptance of smartphone health technology for chronic disease management. Although resistance to change is a significant barrier to technology acceptance, careful management of doctor-patient relationship, and raising patients' awareness of the negative effect of chronic disease can negate the effect of resistance and encourage acceptance and use of smartphone health technology to support chronic disease management for patients in the community. PMID- 29212631 TI - Disruptive technologies making cancer care more patient centred. PMID- 29212632 TI - Community development is not so new. PMID- 29212630 TI - Clarifying the Concept of Adherence to eHealth Technology: Systematic Review on When Usage Becomes Adherence. AB - BACKGROUND: In electronic health (eHealth) evaluations, there is increasing attention for studying the actual usage of a technology in relation to the outcomes found, often by studying the adherence to the technology. On the basis of the definition of adherence, we suggest that the following three elements are necessary to determine adherence to eHealth technology: (1) the ability to measure the usage behavior of individuals; (2) an operationalization of intended use; and (3) an empirical, theoretical, or rational justification of the intended use. However, to date, little is known on how to operationalize the intended usage of and the adherence to different types of eHealth technology. OBJECTIVE: The study aimed to improve eHealth evaluations by gaining insight into when, how, and by whom the concept of adherence has been used in previous eHealth evaluations and finding a concise way to operationalize adherence to and intended use of different eHealth technologies. METHODS: A systematic review of eHealth evaluations was conducted to gain insight into how the use of the technology was measured, how adherence to different types of technologies was operationalized, and if and how the intended use of the technology was justified. Differences in variables between the use of the technology and the operationalization of adherence were calculated using a chi-square test of independence. RESULTS: In total, 62 studies were included in this review. In 34 studies, adherence was operationalized as "the more use, the better," whereas 28 studies described a threshold for intended use of the technology as well. Out of these 28, only 6 reported a justification for the intended use. The proportion of evaluations of mental health technologies reporting a justified operationalization of intended use is lagging behind compared with evaluations of lifestyle and chronic care technologies. The results indicated that a justification of intended use does not require extra measurements to determine adherence to the technology. CONCLUSIONS: The results of this review showed that to date, justifications for intended use are often missing in evaluations of adherence. Evidently, it is not always possible to estimate the intended use of a technology. However, such measures do not meet the definition of adherence and should therefore be referred to as the actual usage of the technology. Therefore, it can be concluded that adherence to eHealth technology is an underdeveloped and often improperly used concept in the existing body of literature. When defining the intended use of a technology and selecting valid measures for adherence, the goal or the assumed working mechanisms should be leading. Adherence can then be standardized, which will improve the comparison of adherence rates to different technologies with the same goal and will provide insight into how adherence to different elements contributed to the outcomes. PMID- 29212633 TI - Preventing Alzheimer's dementia. PMID- 29212634 TI - Intravenous N-Acetylcysteine for Acetaminophen Toxicity. PMID- 29212635 TI - New Health Technologies Advancing Nursing Practice. PMID- 29212636 TI - Remote Clinical Nurse Specialist: Making a Difference From a Distance. PMID- 29212637 TI - Staffing Challenges Today. PMID- 29212638 TI - Reversal Strategies for Newer Oral Anticoagulants. AB - Nonvitamin K antagonist oral anticoagulants have advantages compared with warfarin, but both types of anticoagulants come with uncertainty about how best to manage life-threatening bleeding events, urgent surgeries, and invasive procedures. Nurse practitioners and physician assistants may need to manage such emergency situations in the critical care setting. Achieving hemostasis quickly is key, and efforts to do so have relied mainly on blood products. Targeted reversal agents are in clinical development and one, idarucizumab, which reverses dabigatran anticoagulation, has been approved. Current options for managing events and urgent procedures in anticoagulated patients are discussed in this article, with a focus on specific reversal agents. PMID- 29212639 TI - Advanced Practice Registered Nurses on Therapeutic Hypothermia Response Teams. AB - BACKGROUND: Therapeutic hypothermia can improve neurological recovery after cardiac arrest when implemented quickly. OBJECTIVE: To determine whether outcomes are improved among patients undergoing therapeutic hypothermia by adding advanced practice registered nurses to a therapeutic hypothermia response team. METHODS: A pilot quality improvement project was conducted in a Midwest community teaching hospital using a retrospective chart review of all adult patients undergoing therapeutic hypothermia before and after the addition of advanced practice registered nurses to the therapeutic hypothermia response team. Outcomes evaluated included time to target core body temperature, therapeutic hypothermia protocol initiation, discharge status, and hospital length of stay. RESULTS: A total of 14 adult patients (preintervention n = 8, postintervention n = 6) comprised the sample. Length of stay decreased in the postintervention group (median 2.5 vs 6 days for the preintervention group; P = .05), but other outcomes did not differ. CONCLUSIONS: This quality improvement project provides foundational data to evaluate advanced practice registered nurses specific metrics and to compare with future data using a larger longitudinal sample. PMID- 29212640 TI - Supporting Nurses in the Critical Care Environment. PMID- 29212641 TI - Incivility and Professional Comportment in Critical Care Nurses. AB - BACKGROUND: Civility among critical care nurses is important for achieving positive patient outcomes. Professional comportment refers to nurse behaviors that are respectful, knowledgeable, deliberate, and compassionate. OBJECTIVE: To examine the relationship between perceptions of nurse-to-nurse incivility and professional comportment among critical care nurses, and the extent to which nurse characteristics influence their perceptions. METHODS: Data were collected from nurses in 14 critical care units. Correlational analysis examined the relationship between nurses' perceptions of nurse-to-nurse incivility and professional comportment. Regression analysis was used to identify predictors of nurse-to-nurse incivility. RESULTS: Decreased perceptions of nurse-to-nurse incivility were associated with increased perceptions of professional comportment. Nurses' reports of receiving education about professional comportment was a significant predictor of increased nurse perceptions of professional comportment. CONCLUSION: Professional comportment education for critical care nurses is important and may provide an option to decrease incivility and promote healthy work environments for nurses. PMID- 29212642 TI - Compassion Fatigue and the Healthy Work Environment. AB - BACKGROUND: Burnout is a concern for critical care nurses in high-intensity environments. Studies have highlighted the importance of a healthy work environment in promoting optimal nurse and patient outcomes, but research examining the relationship between a healthy work environment and burnout is limited. OBJECTIVE: To examine how healthy work environment components relate to compassion fatigue (eg, burnout, secondary trauma) and compassion satisfaction. METHODS: Nurses (n = 105) in 3 intensive care units at an academic medical center completed a survey including the Professional Quality of Life and the American Association of Critical-Care Nurses' Healthy Work Environment standards. RESULTS: Regression models using each Healthy Work Environment component to predict each outcome, adjusting for background variables, showed that the 5 Healthy Work Environment components predicted burnout and that meaningful recognition and authentic leadership predicted compassion satisfaction. CONCLUSIONS: Findings on associations between healthy work environment standards and burnout suggest the potential importance of implementing the American Association of Critical-Care Nurses' Healthy Work Environment standards as a mechanism for decreasing burnout. PMID- 29212643 TI - Designing a Resilience Program for Critical Care Nurses. AB - BACKGROUND: Workplace stress can affect job satisfaction, increase staff turnover and hospital costs, and reduce quality of patient care. Highly resilient nurses adapt to stress and use a variety of skills to cope effectively. OBJECTIVE: To gain data on a mindfulness-based cognitive therapy resilience intervention for intensive care unit nurses to see if the intervention program would be feasible and acceptable. METHODS: Focus-group interviews were conducted by videoconference with critical care nurses who were members of the American Association of Critical-Care Nurses. The interview questions assessed the feasibility and acceptability of a mindfulness-based cognitive therapy program to reduce burnout syndrome in intensive care unit nurses. RESULTS: Thirty-three nurses participated in 11 focus groups. Respondents identified potential barriers to program adherence, incentives for adherence, preferred qualifications of instructors, and intensive care unit-specific issues to be addressed. CONCLUSIONS: The mindfulness based cognitive therapy pilot intervention was modified to incorporate thematic categories that the focus groups reported as relevant to intensive care unit nurses. Institutions that wish to design a resilience program for intensive care unit nurses to reduce burnout syndrome need an understanding of the barriers and concerns relevant to their local intensive care unit nurses. PMID- 29212644 TI - Creating Healthy Work Environments for Second Victims of Adverse Events. AB - Adverse events may cause a patient serious harm or death; the patient becomes the first victim of these events. The health care providers who become traumatized by the events are the second victims. These second victims experience feelings such as guilt, shame, sadness, and grief, which can lead to profound personal and professional consequences. An organizational culture of blame and a lack of support can intensify the provider's suffering. Second victims, as they move through predictable stages of recovery, can be positively influenced by a supportive organizational culture and the compassionate actions of peers, managers, advanced practice nurses, educators, and senior leaders. The American Association of Critical-Care Nurses Healthy Work Environment standards provide a framework for specific actions health care professionals should take to support colleagues during their recovery from adverse events. PMID- 29212647 TI - Evaluating Application of Research Findings to New Settings and Populations. PMID- 29212648 TI - Reflections on How We Teach Ethics: Moral Failure in Critical Care. PMID- 29212649 TI - Ventricular Aneurysm: Diagnosis and Treatment. PMID- 29212650 TI - Low Nasal NO in Congenital Heart Disease With Systemic Right Ventricle and Postcardiac Transplantation. AB - BACKGROUND: NO bioavailability has not been systematically examined in congenital heart disease (CHD). To assess NO in patients with CHD, we measured nasal NO (nNO) generated by the nasal epithelia, given blood NO is difficult to measure (half-life, <2 ms). Given NO's role in hemodynamic regulation and the association of NO bioavailability with heart failure risk, we hypothesized NO levels may differ with varying severity of CHD physiologic characteristics. METHODS AND RESULTS: Six-hundred eighteen subjects, 483 with CHD and 135 controls, had nNO measured noninvasively via the nares using American Thoracic Society/European Respiratory Society guidelines. Subjects were dichotomized as having low or normal nNO based on age-specific cutoff values. Prevalence of low nNO was examined by various CHD physiologic feature types. Low nNO was more prevalent with CHD than controls (odds ratio, 2.28; P=0.001). A logistic regression model showed overall significance (P=0.035) for single ventricle, systemic right ventricle, ventricular dysfunction, oxygen desaturation, and heterotaxy predicting low nNO, with systemic right ventricle independently having twice the odds of low nNO (odds ratio, 2.04; P=0.014). Patients with low nNO had a higher risk of experiencing heart transplant or death (hazard ratio, 2.75; P=0.048), and heart transplant recipients (N=16) exhibited 5 times the odds of low nNO (69% versus 30%; odds ratio, 5.1; P=0.001). CONCLUSIONS: Patients with CHD have increased prevalence of low nNO, with highest odds seen with systemic right ventricle and heart transplant. Further studies are needed to investigate heart failure risks in patients with CHD with left versus right systemic ventricle physiologic characteristics and utility of low nNO for predicting heart failure risk. PMID- 29212652 TI - Personalised diet advice could tackle obesity, report advises. PMID- 29212653 TI - Policy makers ignore the role of evidence based treatment for opioid dependence. PMID- 29212651 TI - Relation Between Blood Pressure and Clinical Outcome in Hypertensive Subjects With Previous Stroke. AB - BACKGROUND: This study investigated whether a mean blood pressure (BP) of <130/80 mm Hg is associated with further reduction in cardiovascular outcomes in treated hypertensive subjects with previous stroke. METHODS AND RESULTS: Subjects from the Korea National Health Insurance Service health examinee cohort diagnosed as having stroke and hypertension from January 1st, 2003 and December 31st, 2006 (N=2320) were grouped according to mean systolic (<130, 130-<140, and >=140 mm Hg) and diastolic (<80, 80-<90, and >=90 mm Hg) BP recorded during follow-up health examinations. All-cause and cardiovascular mortality over 11 years were compared. Compared with subjects with a systolic BP of >=140 mm Hg (N=736), subjects with a systolic BP of 130 to <140 mm Hg (N=793) had a significantly lower risk of all-cause death (hazard ratio [HR], 0.61; 95% confidence interval [CI], 0.47-0.79; P<0.001), cardiovascular mortality (HR, 0.39; 95% CI, 0.25-0.61; P<0.001), and fatal ischemic stroke (HR, 0.25; 95% CI, 0.10-0.63; P=0.003). Systolic BP of <130 mm Hg (N=791) was associated with lower risk of nonfatal hemorrhagic stroke. Subjects with a diastolic BP of 80 to <90 mm Hg (N=1100) had significantly lower risk of all-cause death (HR, 0.60, 95% CI, 0.45-0.80; P<0.001) and cardiovascular mortality (HR, 0.45; 95% CI, 0.30-0.70; P<0.001) than those with a diastolic BP of >=90 mm Hg (N=342). Diastolic BP of <80 mm Hg (N=878) was associated with reduced risk of nonfatal hemorrhagic stroke and further lowering of all-cause mortality and cardiovascular mortality. CONCLUSIONS: BP of <130/80 mm Hg was associated with improved outcomes in hypertensive subjects with previous stroke. PMID- 29212655 TI - Brexit is shifting drug industry's focus away from UK, MPs hear. PMID- 29212654 TI - I thought I wasn't thin enough to be anorexic. PMID- 29212656 TI - The relevance and implications of signet-ring cell adenocarcinoma of the oesophagus. AB - AIM: To review the current understanding of signet-ring type oesophageal adenocarcinoma including evidence for prognosis. METHODS: We conducted a literature search of nine healthcare literature databases for articles detailing the biology and clinical outcomes of signet-ring cell adenocarcinoma of the oesophagus. The impact of signet-ring cell morphology was analysed and detailed in written text and tabular format. Current understanding of the biology of signet-ring cell adenocarcinoma of the oesophagus was summarised. RESULTS: Signet ring cell carcinoma was represented in 7.61% of the 18 989 cases of oesophageal carcinoma reviewed in multiple studies. The presence of signet-ring cells conferred a worse prognosis and these tumours responded differently to conventional treatments as compared with typical adenocarcinoma. Little is known about the biological features of signet-ring cell adenocarcinoma of the oesophagus. Work in gastric lesions has identified potential targets for future treatments such as CDH1 and RHOA genes. Categorisation of signet-ring cell carcinomas by the proportion of signet-ring cells within tumours differs among clinicians despite WHO criteria for classification. The current UK guidelines for histopathological reporting of oesophageal tumours do not emphasise the importance of identifying signet-ring cells. CONCLUSION: The presence of signet ring cells in oesophageal adenocarcinomas leads to poorer clinical outcomes. Current understanding of signet-ring cell biology in oesophageal cancer is limited. PMID- 29212657 TI - Venous invasion detection in colorectal cancer specimens: risk assessment of modifying the dissection method using a tangential approach. PMID- 29212658 TI - A new mitofusin topology places the redox-regulated C terminus in the mitochondrial intermembrane space. AB - Mitochondrial fusion occurs in many eukaryotes, including animals, plants, and fungi. It is essential for cellular homeostasis, and yet the underlying mechanisms remain elusive. Comparative analyses and phylogenetic reconstructions revealed that fungal Fzo1 and animal Mitofusin proteins are highly diverged from one another and lack strong sequence similarity. Bioinformatic analysis showed that fungal Fzo1 proteins exhibit two predicted transmembrane domains, whereas metazoan Mitofusins contain only a single transmembrane domain. This prediction contradicts the current models, suggesting that both animal and fungal proteins share one topology. This newly predicted topology of Mfn1 and Mfn2 was demonstrated biochemically, confirming that the C-terminal, redox-sensitive cysteine residues reside within the intermembrane space (IMS). Functional experiments established that redox-mediated disulfide modifications within the IMS domain are key modulators of reversible Mfn oligomerization that drives fusion. Together, these results lead to a revised understanding of Mfns as single spanning outer membrane proteins with an Nout-Cin orientation, providing functional insight into the IMS contribution to redox-regulated fusion events. PMID- 29212660 TI - Joanna Poulton: Research is in my DNA. PMID- 29212659 TI - Unconventional secretion of FABP4 by endosomes and secretory lysosomes. AB - An appreciation of the functional properties of the cytoplasmic fatty acid binding protein 4 (FABP4) has advanced with the recent demonstration that an extracellular form secreted by adipocytes regulates a wide range of physiological functions. Little, however, is known about the mechanisms that mediate the unconventional secretion of FABP4. Here, we demonstrate that FABP4 secretion is mediated by a membrane-bounded compartment, independent of the conventional endoplasmic reticulum-Golgi secretory pathway. We show that FABP4 secretion is also independent of GRASP proteins, autophagy, and multivesicular bodies but involves enclosure within endosomes and secretory lysosomes. We highlight the physiological significance of this pathway with the demonstration that an increase in plasma levels of FABP4 is inhibited by chloroquine treatment of mice. These findings chart the pathway of FABP4 secretion and provide a potential therapeutic means to control metabolic disorders associated with its dysregulated secretion. PMID- 29212661 TI - Disruption of an RNA-binding hinge region abolishes LHP1-mediated epigenetic repression. AB - Epigenetic maintenance of gene repression is essential for development. Polycomb complexes are central to this memory, but many aspects of the underlying mechanism remain unclear. LIKE HETEROCHROMATIN PROTEIN 1 (LHP1) binds Polycomb deposited H3K27me3 and is required for repression of many Polycomb target genes in Arabidopsis Here we show that LHP1 binds RNA in vitro through the intrinsically disordered hinge region. By independently perturbing the RNA binding hinge region and H3K27me3 (trimethylation of histone H3 at Lys27) recognition, we found that both facilitate LHP1 localization and H3K27me3 maintenance. Disruption of the RNA-binding hinge region also prevented formation of subnuclear foci, structures potentially important for epigenetic repression. PMID- 29212663 TI - Margaret McCartney: Scottish GP contract-responsibility without power? PMID- 29212662 TI - Sharing the load: Mex67-Mtr2 cofunctions with Los1 in primary tRNA nuclear export. AB - Eukaryotic transfer RNAs (tRNAs) are exported from the nucleus, their site of synthesis, to the cytoplasm, their site of function for protein synthesis. The evolutionarily conserved beta-importin family member Los1 (Exportin-t) has been the only exporter known to execute nuclear export of newly transcribed intron containing pre-tRNAs. Interestingly, LOS1 is unessential in all tested organisms. As tRNA nuclear export is essential, we previously interrogated the budding yeast proteome to identify candidates that function in tRNA nuclear export. Here, we provide molecular, genetic, cytological, and biochemical evidence that the Mex67 Mtr2 (TAP-p15) heterodimer, best characterized for its essential role in mRNA nuclear export, cofunctions with Los1 in tRNA nuclear export. Inactivation of Mex67 or Mtr2 leads to rapid accumulation of end-matured unspliced tRNAs in the nucleus. Remarkably, merely fivefold overexpression of Mex67-Mtr2 can substitute for Los1 in los1Delta cells. Moreover, in vivo coimmunoprecipitation assays with tagged Mex67 document that the Mex67 binds tRNAs. Our data also show that tRNA exporters surprisingly exhibit differential tRNA substrate preferences. The existence of multiple tRNA exporters, each with different tRNA preferences, may indicate that the proteome can be regulated by tRNA nuclear export. Thus, our data show that Mex67-Mtr2 functions in primary nuclear export for a subset of yeast tRNAs. PMID- 29212665 TI - Association between individual and neighbourhood socioeconomic factors and masticatory efficiency: a cross-sectional analysis of the Paris Prospective Study 3. AB - BACKGROUND: There is a lack of evidence on the impact of socioeconomic factors on masticatory efficiency. The present study investigates the relationship between individual and neighbourhood socioeconomic factors (main exposure) and the number of masticatory units (MUs) used as surrogate of the masticatory efficiency (main outcome). METHODS: In this cross-sectional study nested in the Paris Prospective Study 3, 4270 adults aged 50-75 and recruited from 13 June 2008 to 31 May 2012 underwent a full-mouth examination. Number of MUs defined as pairs of opposing teeth or dental prostheses allowing mastication, number of missing teeth and gingival inflammation were documented. The individual component of the socioeconomic status was evaluated with an individual multidimensional deprivation score and education level. The neighbourhood component of the socioeconomic status was evaluated with the FDep99 deprivation index. Associations were quantified using marginal models. RESULTS: In multivariate analyses, having less than 5 MUs was associated with (1) the most deprived neighbourhoods (OR=2.27 (95% CI 1.63 to 3.17)), (2) less than 12 years of educational attainment (OR=2.20 (95% CI 1.66 to 2.92)) and (3) the highest individual score of deprivation (OR=3.23 (95% CI 2.24 to 4.65)). Associations with education and individual score of deprivation were consistent across the level of neighbourhood deprivation. Comparable associations were observed with the number of missing teeth. Associations with gingival inflammation were of lower magnitude; the relationship was present for deprivation markers but not for education. CONCLUSION: Poor masticatory efficiency is associated with low educational attainment and high deprivation scores. PMID- 29212664 TI - Genetic bypass of essential RNA repair enzymes in budding yeast. AB - RNA repair enzymes catalyze rejoining of an RNA molecule after cleavage of phosphodiester linkages. RNA repair in budding yeast is catalyzed by two separate enzymes that process tRNA exons during their splicing and HAC1 mRNA exons during activation of the unfolded protein response (UPR). The RNA ligase Trl1 joins 2',3'-cyclic phosphate and 5'-hydroxyl RNA fragments, creating a phosphodiester linkage with a 2'-phosphate at the junction. The 2'-phosphate is removed by the 2'-phosphotransferase Tpt1. We bypassed the essential functions of TRL1 and TPT1 in budding yeast by expressing "prespliced," intronless versions of the 10 normally intron-containing tRNAs, indicating this repair pathway does not have additional essential functions. Consistent with previous studies, expression of intronless tRNAs failed to rescue the growth of cells with deletions in components of the SEN complex, implying an additional essential role for the splicing endonuclease. The trl1Delta and tpt1Delta mutants accumulate tRNA and HAC1 splicing intermediates indicative of RNA repair defects and are hypersensitive to drugs that inhibit translation. Failure to induce the unfolded protein response in trl1Delta cells grown with tunicamycin is lethal owing to their inability to ligate HAC1 after its cleavage by Ire1. In contrast, tpt1Delta mutants grow in the presence of tunicamycin despite reduced accumulation of spliced HAC1 mRNA. We optimized a PCR-based method to detect RNA 2'-phosphate modifications and show they are present on ligated HAC1 mRNA. These RNA repair mutants enable new studies of the role of RNA repair in cellular physiology. PMID- 29212667 TI - Lung tissue gene-expression signature for the ageing lung in COPD. AB - INTRODUCTION: COPD is a chronic, progressive, inflammatory disease of the lungs and the third leading cause of death worldwide. The current knowledge of the pathophysiology of COPD is limited and novel insights in underlying disease mechanisms are urgently needed. Since there are clear parallels between ageing and COPD, we investigated genes underlying lung ageing in general and abnormal lung ageing in COPD. METHODS: Whole genome mRNA profiling was performed on lung tissue samples (n=1197) and differential gene expression with increasing age was analysed using an adjusted linear regression model. Subsequent pathway analysis was performed using GeneNetwork and the gene-expression signature was compared with lung ageing in the Genotype-Tissue Expression (GTEx) project. In a subset of patients with COPD (n=311) and non-COPD controls (n=270), we performed an interaction analysis between age and COPD to identify genes differentially expressed with age in COPD compared with controls, followed by gene set enrichment pathway analysis. RESULTS: We identified a strong gene-expression signature for lung ageing with 3509 differentially expressed genes, of which 33.5% were found nominal significant in the GTEx project. Interestingly, we found EDA2R as a strong candidate gene for lung ageing. The age*COPD interaction analysis revealed 69 genes significantly differentially expressed with age between COPD and controls. CONCLUSIONS: Our study indicates that processes related to lung development, cell-cell contacts, calcium signalling and immune responses are involved in lung ageing in general. Pathways related to extracellular matrix, mammalian target of rapamycin signalling, splicing of introns and exons and the ribosome complex are proposed to be involved in abnormal lung ageing in COPD. PMID- 29212668 TI - Unexpected migration. PMID- 29212666 TI - STAT4 and T-bet control follicular helper T cell development in viral infections. AB - Follicular helper T (Tfh) cells promote germinal center (GC) B cell survival and proliferation and guide their differentiation and immunoglobulin isotype switching by delivering contact-dependent and soluble factors, including IL-21, IL-4, IL-9, and IFN-gamma. IL-21 and IFN-gamma are coexpressed by Tfh cells during viral infections, but transcriptional regulation of these cytokines is not completely understood. In this study, we show that the T helper type 1 cell (Th1 cell) transcriptional regulators T-bet and STAT4 are coexpressed with Bcl6 in Tfh cells after acute viral infection, with a temporal decline in T-bet in the waning response. T-bet is important for Tfh cell production of IFN-gamma, but not IL-21, and for a robust GC reaction. STAT4, phosphorylated in Tfh cells upon infection, is required for expression of T-bet and Bcl6 and for IFN-gamma and IL-21. These data indicate that T-bet is expressed with Bcl6 in Tfh cells and is required alongside STAT4 to coordinate Tfh cell IL-21 and IFN-gamma production and for promotion of the GC response after acute viral challenge. PMID- 29212670 TI - Repeated measurement of Mo2 in small aquatic organisms: a manual intermittent flow respirometer using off-the-shelf components. AB - Measurement of rates of oxygen consumption ( Mo2) in small aquatic embryos or larvae (<1 mm) in response to altered environmental conditions has traditionally been challenging. Here, using modifications of a commercially available fluorescent optode flow-through cell (FTC; PreSens FTC-PSt3) and routine laboratory supplies (syringes, stopcocks, tubing), we have constructed a manual intermittent flow respirometer (MIFR) that allows measurement of Mo2 in small numbers of individuals when sequentially exposed to different environmental conditions (e.g., changes in seawater pH) through a gravity-driven media replacement perfusion system. We first show that the FTC can be used in "static" mode while incubating small numbers of embryos/larvae contained within the planar oxygen sensor (POS) chamber with Nitex filters. We then demonstrate the use of the MIFR by exposing larval echinoderms ( Fellaster zelandiae, Evechinus chloroticus, and Centrostephanus rodgersii) to seawater equilibrated with elevated CO2 and measured Mo2 during acute and chronic exposure to hypercapnia. This MIFR method will allow investigators to address questions regarding the respiratory physiology of small aquatic animals, such as the thresholds for metabolic depression in embryonic and larval forms. NEW & NOTEWORTHY A manual intermittent flow respirometer (MIFR), allowing media exchange in a flow-through cell containing small aquatic organisms, permits repeated measurement of Mo2 of individuals not only in a single medium (e.g., technical replication), but also in different media (here, high CO2-equilibrated seawater), enabling measurement of acute physiological responses to changed conditions. This versatile technique has wide-ranging implications for the study of the Mo2 response of aquatic organisms in the face of climate change. PMID- 29212669 TI - Long-duration bed rest modifies sympathetic neural recruitment strategies in male and female participants. AB - To understand the impact of physical deconditioning with head-down tilt bed rest (HDBR) on the malleability of sympathetic discharge patterns, we studied 1) baseline integrated muscle sympathetic nerve activity (MSNA; microneurography) from 13 female participants in the WISE-2005 60-day HDBR study (retrospective analysis), 2) integrated MSNA and multiunit action potential (AP) analysis in 13 male participants performed on data collected at baseline and during physiological stress imposed by end-inspiratory apnea in a new 60-day HDBR study, and 3) a repeatability study (control; n = 6, retrospective analysis, 4 wk between tests). Neither baseline integrated burst frequency nor incidence were altered with HDBR (both P > 0.35). However, baseline integrated burst latency increased in both HDBR studies (male: 1.35 +/- 0.02 to 1.39 +/- 0.02 s, P < 0.01; female: 1.23 +/- 0.02 to 1.29 +/- 0.02 s, P < 0.01), whereas controls exhibited no change across two visits (1.25 +/- 0.02 to 1.25 +/- 0.02 s, group-by-time interaction, P = 0.02). With the exception of increased AP latency ( P = 0.03), male baseline AP data did not change with HDBR (all P > 0.19). The change in AP frequency on going from baseline to apnea (?94 +/- 25 to ?317 +/- 55 AP/min, P < 0.01) and the number of active sympathetic clusters per burst (?0 +/- 0.2 to ?1 +/- 0.2 clusters/burst, P = 0.02) were greater post- compared with pre-HDBR. The change in total clusters with apnea was ?0 +/- 0.5 clusters pre- and ?2 +/- 0.7 clusters post-HDBR ( P = 0.07). These data indicate that 60-day HDBR modified discharge characteristics in baseline burst latency and sympathetic neural recruitment during apneic stress. NEW & NOTEWORTHY Long-duration bed rest did not modify baseline sympathetic burst frequency in male and female participants, but examination of additional features of the multiunit signal provided novel evidence to suggest augmented synaptic delays or processing times at baseline for all sympathetic action potentials. Furthermore, long-duration bed rest increased reflex-sympathetic arousal to apneic stress in male participants primarily by mechanisms involving an augmented firing rate of action potential clusters active at baseline. PMID- 29212671 TI - Influence of age and gender on the phase and strength of the relation between heart period and systolic blood pressure spontaneous fluctuations. AB - Aging affects baroreflex regulation. The effect of senescence on baroreflex control was assessed from spontaneous fluctuations of heart period (HP) and systolic arterial pressure (SAP) through the HP-SAP gain, while the HP-SAP phase and strength are usually disregarded. This study checks whether the HP-SAP phase and strength, as estimated, respectively, via the phase of the HP-SAP cross spectrum (PhHP-SAP) and squared coherence function (K2HP-SAP), vary with age in healthy individuals and trends are gender-dependent. We evaluated 110 healthy volunteers (55 males) divided into five age subgroups (21-30, 31-40, 41-50, 51 60, and 61-70 yr). Each subgroup was formed by 22 subjects (11 males). HP series was extracted from electrocardiogram and SAP from finger arterial pressure at supine resting (REST) and during active standing (STAND). PhHP-SAP and K2HP-SAP functions were sampled in low-frequency (LF, from 0.04 to 0.15 Hz) and in high frequency (HF, above 0.15 Hz) bands. Both at REST and during STAND PhHP-SAP(LF) showed a negative correlation with age regardless of gender even though values were more negative in women. This trend was shown to be compatible with a progressive increase of the baroreflex latency with age. At REST K2HP-SAP(LF) decreased with age regardless of gender, but during STAND the high values of K2HP SAP(LF) were more preserved in men than women. At REST and during STAND the association of PhHP-SAP(HF) and K2HP-SAP(HF) with age was absent. The findings points to a greater instability of baroreflex control with age that seems to affect to a greater extent women than men. NEW & NOTEWORTHY Aging increases cardiac baroreflex latency and decreases the degree of cardiac baroreflex involvement in regulating cardiovascular variables. These trends are gender independent but lead to longer delays and asmaller degree of cardiac baroreflex involvement in women than in men, especially during active standing, with important implications on the tolerance to an orthostatic stressor. PMID- 29212672 TI - Cardiovascular response to prescribed detraining among recreational athletes. AB - Exercise-induced cardiac remodeling (EICR) and the attendant myocardial adaptations characteristic of the athlete's heart may regress during periods of exercise reduction or abstinence. The time course and mechanisms underlying this reverse remodeling, specifically the impact of concomitant plasma volume (PV) contraction on cardiac chamber size, remain incompletely understood. We therefore studied recreational runners ( n = 21, age 34 +/- 7 yr; 48% male) who completed an 18-wk training program (~7 h/wk) culminating in the 2016 Boston Marathon after which total exercise exposure was confined to <2 h/wk (no single session >1 h) for 8 wk. Cardiac structure and function, exercise capacity, and PV were assessed at peak fitness (10-14 days before) and at 4 wk and 8 wk postmarathon. Mixed linear modeling adjusting for age, sex, Vo2peak, and marathon finish time was used to compare data across time points. Physiological detraining was evidenced by serial reductions in treadmill performance. Two distinct phases of myocardial remodeling and hematological adaptation were observed. After 4 wk of detraining, there were significant reductions in PV (Delta -6.0%, P < 0.01), left ventricular (LV) wall thickness (Delta -8.1%, <0.05), LV mass (Delta -10.3%, P < 0.001), and right atrial area (Delta -8.2%, P < 0.001). After 8 wk of detraining, there was a significant reduction in right ventricle chamber size (end-diastolic area Delta = -8.0%, P < 0.05) without further concomitant reductions in PV or LV wall thickness. Abrupt reductions in exercise training stimulus result in a structure specific time course of reverse cardiac remodeling that occurs largely independently of PV contraction. NEW & NOTEWORTHY Significant reverse cardiac remodeling, previously documented among competitive athletes, extends to recreational runners and occurs with a distinct time course. Initial reductions in plasma volume and left ventricular (LV) mass, driven by reductions in wall thickness, are followed by contraction of the right ventricle. Consistent with data from competitive athletes, LV chamber volumes appear less responsive to detraining and may be a more permanent adaptation to sport. PMID- 29212673 TI - 70 not out, and the best is yet to come: celebrating 70 years of orthopaedic excellence. PMID- 29212674 TI - Iatrogenic articular cartilage injury: the elephant in the operating theatre: the surgeons' role in chondroprotection. PMID- 29212675 TI - What surgeons need to know about infographics. PMID- 29212676 TI - What surgeons need to know about infographics. PMID- 29212677 TI - The minimum follow-up required for radial head arthroplasty: a meta-analysis. AB - AIMS: The primary aim of this study was to define the standard minimum follow-up required to produce a reliable estimate of the rate of re-operation after radial head arthroplasty (RHA). The secondary objective was to define the leading reasons for re-operation. MATERIALS AND METHODS: Four electronic databases, between January 2000 and March 2017 were searched. Articles reporting reasons for re-operation (Group I) and results (Group II) after RHA were included. In Group I, a meta-analysis was performed to obtain the standard minimum follow-up, the mean time to re-operation and the reason for failure. In Group II, the minimum follow-up for each study was compared with the standard minimum follow-up. RESULTS: A total of 40 studies were analysed: three were Group I and included 80 implants and 37 were Group II and included 1192 implants. In Group I, the mean time to re-operation was 1.37 years (0 to 11.25), the standard minimum follow-up was 3.25 years; painful loosening was the main indication for re-operation. In Group II, 33 Group II articles (89.2%) reported a minimum follow-up of < 3.25 years. CONCLUSION: The literature does not provide a reliable estimate of the rate of re-operation after RHA. The reproducibility of results would be improved by using a minimum follow-up of three years combined with a consensus of the definition of the reasons for failure after RHA. Cite this article: Bone Joint J 2017;99-B:1561-70. PMID- 29212678 TI - The myths of 'big data' in health care. AB - 'Big data' is a term for data sets that are so large or complex that traditional data processing applications are inadequate. Billions of dollars have been spent on attempts to build predictive tools from large sets of poorly controlled healthcare metadata. Companies often sell reports at a physician or facility level based on various flawed data sources, and comparative websites of 'publicly reported data' purport to educate the public. Physicians should be aware of concerns and pitfalls seen in such data definitions, data clarity, data relevance, data sources and data cleaning when evaluating analytic reports from metadata in health care. Cite this article: Bone Joint J 2017;99-B:1571-6. PMID- 29212679 TI - Complications following arthroscopic surgery of the hip: a systematic review of 36 761 cases. AB - AIMS: The number of patients undergoing arthroscopic surgery of the hip has increased significantly during the past decade. It has now become an established technique for the treatment of many intra- and extra-articular conditions affecting the hip. However, it has a steep learning curve and is not without the risk of complications. The purpose of this systematic review was to determine the prevalence of complications during and following this procedure. MATERIALS AND METHODS: Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were used in designing this study. Two reviewers systematically searched the literature for complications related to arthroscopy of the hip. The research question and eligibility criteria were established a priori. Pertinent data were abstracted and analysed. RESULTS: We found 276 relevant studies with a total of 36 761 arthroscopies that met the inclusion criteria. The mean age of the patients was 36.7 years (1.7 to 70) and the mean body mass index was 25.7 kg/m2 (20.2 to 29.2). Femoroacetabular impingement and labral tears were the most common indications for the procedure. The total number of complications was 1222 (3.3%). Nerve injury (0.9%), mainly involving the pudendal and lateral femoral cutaneous nerves, and iatrogenic chondral and labral injury (0.7%), were the two most common complications. There were 58 major complications (0.2%), the most common being intra-abdominal extravasation of fluid, which was found in 13 cases (0.04%). There were three deaths (0.008%). CONCLUSION: Arthroscopic surgery of the hip is a procedure with a relatively low rate of complications, although some may be significant in this young cohort of patients. This study relied on the reported complications only and the results should be interpreted with caution. Cite this article: Bone Joint J 2017;99-B:1577-83. PMID- 29212680 TI - High prevalence of acetabular retroversion in asymptomatic adults: a 3D CT-based study. AB - AIMS: This study sought to establish the prevalence of the cross over sign (COS) and posterior wall sign (PWS) in relation to the anterior pelvic plane (APP) in an asymptomatic population through reliable and accurate 3D-CT based assessment. MATERIALS AND METHODS: Data from pelvic CT scans of 100 asymptomatic subjects (200 hips) undertaken for conditions unrelated to disorders of the hip were available for analysis in this study. A previously established 3D analysis method was applied to assess the prevalence of the COS and PWS in relation to the APP. RESULTS: Of the 200 included hips, 24% (48) presented a positive COS and 5.5% (11) presented a positive PWS. A combination of COS and PWS was observed in 1% (two) of all hips (1%). CONCLUSION: The high incidence of acetabular retroversion, determined by the COS, shows that this anatomic configuration may not differ in frequency between asymptomatic individuals and patients with symptomatic femoroacetabular impingement (FAI). Patients presenting with hip pain and evidence of FAI should be subjected to strict diagnostic scrutiny and evaluated in the sum of their clinical and radiological presentation. In our cohort of asymptomatic adults, the COS showed a higher incidence than the PWS or a combined COS/PWS. Cite this article: Bone Joint J 2017;99-B:1584-9. PMID- 29212681 TI - Ten-year follow-up study of three alternative bearing surfaces used in total hip arthroplasty in young patients: a prospective randomised controlled trial. AB - AIMS: We present the ten-year data of a cohort of patients, aged between 18 and 65 years (mean age 52.7 years; 19 to 64), who underwent total hip arthroplasty. Patients were randomised to be treated with a cobalt-chrome (CoCr) femoral head with an ultra-high molecular weight polyethylene (UHMWPE), highly cross-linked polyethylene (XLPE) or ceramic-on-ceramic (CoC) bearing surface. PATIENTS AND METHODS: A total of 102 hips (91 patients) were randomised into the three groups. At ten years, 97 hips were available for radiological and functional follow-up. Two hips (two patients) had been revised (one with deep infection and one for periprosthetic fracture) and three were lost to follow-up. Radiological analysis was performed using a validated digital assessment programme to give linear, directional and volumetric wear of the two polyethylene groups. RESULTS: There was a significantly reduced rate of steady-state linear wear with XLPE (0.07 mm/yr) compared with UHMWPE (0.37 mm/yr) (p = 0.001). Volumetric wear was also significantly reduced in the XLPE group (29.29 mm3/yr) compared with the UHMWPE group (100.75mm3/yr) (p = 0.0001). There were six patients with UHMWPE who had non-progressive osteolysis and none in the XLPE group. All three bearing groups had significant improvements in 12-item short form health survey scores, Western Ontario and McMaster Universities Osteoarthritis Index score and Harris Hip Score. However, the improvement in HSS was significantly less in the UHMWPE group (p = 0.0188) than in the other two groups. At ten years, the rates of volumetric and linear wear in the XLPE group remain low and predominantly below the estimated threshold for osteolysis (1 mm/yr). The rate of linear wear in the XLPE group was three times less than in the UHMWPE group at five-year follow-up and five times less at ten years. The rate of volumetric wear was also three times less in the XLPE group at ten years. CONCLUSION: While CoC also performs well, XLPE at ten years remains a safe and excellent bearing option in young patients, with low rates of wear and no evidence of osteolysis. Cite this article: Bone Joint J 2017;99-B:1590-5. PMID- 29212682 TI - Stable migration of peri-apatite-coated uncemented tibial components in a multicentre study. AB - AIMS: Hydroxyapatite coatings for uncemented fixation in total knee arthroplasty can theoretically provide a long-lasting biological interface with the host bone. The objective of this study was to test this hypothesis with propriety hydroxyapatite, peri-apatite, coated tibial components using component migration measured with radiostereometric analysis over two years as an indicator of long term fixation. PATIENTS AND METHODS: A total of 29 patients at two centres received uncemented PA-coated tibial components and were followed for two years with radiostereometric analysis exams to quantify the migration of the component. RESULTS: While there was significant variation in individual migration patterns, the overall migration of the tibial component in the study group demonstrated a pattern of initial migration followed by stabilisation after one year, with mean maximum total point motion (MTPM) of 0.02 mm (standard deviation (sd) 0.20) between one and two years post-operatively. The direction of greatest motion was subsidence, which stabilised at three months post-operatively (mean translation of 0.21 mm, sd 0.40). CONCLUSION: The tibial component migration pattern of stabilisation in the second post-operative year is indicative of successful long term fixation for this PA-coated tibial component. Cite this article: Bone Joint J 2017;99-B:1596-1602. PMID- 29212683 TI - 'Hot Joints' infection protocol reduces unnecessary post-operative re-admissions following total hip and knee arthroplasty. AB - AIMS: To evaluate the effectiveness of an institutionally developed algorithm for evaluation and diagnosis of prosthetic joint injection and to determine the impact of this protocol on overall hospital re-admissions.p PATIENTS AND METHODS: We retrospectively evaluated 2685 total hip arthroplasty (THA) and total knee arthroplasty (TKA) patients prior to (1263) and following (1422) the introduction of an infection detection protocol. The protocol used conservative thresholds for C-reactive protein to direct the medical attendant to aspirate the joint. The protocol incorporated a clear set of laboratory and clinical criteria that allowed a patient to be discharged home if all were met. Patients were included if they presented to our emergency department within 120 days post-operatively with concerns for swelling, pain or infection and were excluded if they had an unambiguous infection or if their chief complaint was non-orthopaedic in nature. RESULTS: Concern for infection was the single most common (32%) reason for presentation. A total of 296 patients made an emergency visit and were included following THA or TKA. In the pre-protocol cohort, 11 of 27 patients were formally re-admitted to the hospital with concern for infection but only five (45%) patients had actual infections and received additional treatment. In comparison, in the post-protocol cohort, 11 patients were admitted for suspected infection, nine (82%) of whom were truly infected (p = 0.04). Sensitivity increased from 83% to 100% and specificity increased from 71% to 96%. Implementation of this protocol did not miss any infections. CONCLUSION: A standardised protocol for evaluation of THA and TKA infections significantly reduced unnecessary hospital re-admissions. The protocol was both sensitive and specific and did not compromise quality of care. Cite this article: Bone Joint J 2017;99-B:1603-10. PMID- 29212684 TI - Do higher-volume hospitals provide better value in revision hip and knee arthroplasty? AB - AIMS: The purpose of this study is to determine if higher volume hospitals have lower costs in revision hip and knee arthroplasty. MATERIALS AND METHODS: We questioned the Centres for Medicare and Medicaid Services (CMS) Inpatient Charge Data and identified 789 hospitals performing a total of 29 580 revision arthroplasties in 2014. Centres were dichotomised into high-volume (performing over 50 revision cases per year) and low-volume. Mean total hospital-specific charges and inpatient payments were obtained from the database and stratified based on Diagnosis Related Group (DRG) codes. Patient satisfaction scores were obtained from the multiyear CMS Hospital Compare database. RESULTS: High-volume hospitals comprised 178 (30%) of the total but performed 15 068 (51%) of all revision cases, including 509 of 522 (98%) of the most complex DRG 466 cases. While high-volume hospitals had higher Medicare inpatient payments for DRG 467 ($21 458 versus $20 632, p = 0.038) and DRG 468 ($17 003 versus $16 120, p = 0.011), there was no difference in hospital specific charges between the groups. Higher-volume facilities had a better CMS hospital star rating (3.63 versus 3.35, p < 0.001). When controlling for hospital geographic and demographic factors, high-volume revision hospitals are less likely to be in the upper quartile of inpatient Medicare costs for DRG 467 (odds ratio (OR) 0.593, 95% confidence intervals (CI) 0.374 to 0.941, p = 0.026) and DRG 468 (OR 0.451, 95% CI 0.297 to 0.687, p < 0.001). CONCLUSION: While a high-volume hospital is less likely to be a high cost outlier, the higher mean Medicare reimbursements at these facilities may be due to increased case complexity. Further study should focus on measures for cost savings in revision total joint arthroplasties. Cite this article: Bone Joint J 2017;99-B:1611-17. PMID- 29212685 TI - An analysis of 30-day mortality after weekend versus weekday elective joint arthroplasty in England and Wales: a cohort study using the National Joint Registry Dataset. AB - AIMS: To investigate whether elective joint arthroplasty performed at the weekend is associated with a different 30-day mortality versus that performed between Monday and Friday. PATIENTS AND METHODS: We examined the 30-day cumulative mortality rate (Kaplan-Meier) for all elective hip and knee arthroplasties performed in England and Wales between 1st April 2003 and 31st December 2014, comprising 118 096 episodes undertaken at the weekend and 1 233 882 episodes performed on a weekday. We used Cox proportional-hazards regression models to assess for time-dependent variation and adjusted for identified risk factors for mortality. RESULTS: The cumulative 30-day mortality for hip arthroplasty was 0.15% (95% confidence interval (CI) 0.12 to 0.19) for patients operated on at the weekend versus 0.20% (95% CI 0.19 to 0.21) for patients undergoing surgery during the normal working week. For knee arthroplasty, the cumulative 30-day mortality was 0.14% (95% CI 0.11 to 0.17) for weekend-operated patients versus 0.18% (95% CI 0.17 to 0.19) for weekday-operated patients. These differences were independent of any differences in patient age, gender, American Society of Anaesthesiologists grade, surgeon seniority, surgical and anaesthetic practices, and thromboprophylaxis choice in weekend versus weekday-operated patients. CONCLUSION: The 30-day mortality rate after elective joint arthroplasty is low. Surgery performed at the weekend is associated with lower post-operative mortality versus operations performed on a weekday. Cite this article: Bone Joint J 2017;99-B:1618-28. PMID- 29212686 TI - Practice patterns in the care of acute Achilles tendon ruptures : is there an association with level I evidence? AB - AIMS: To determine whether the findings from a landmark Canadian trial assessing the optimal management of acute rupture of the Achilles tendon influenced the practice patterns of orthopaedic surgeons in Ontario, Canada. MATERIALS AND METHODS: Health administrative databases were used to identify Ontario residents >= 18 years of age with an Achilles tendon rupture from April 2002 to March 2014. The rate of surgical repair (per 100 cases) was calculated for each calendar quarter. A time-series analysis was used to determine whether changes in the rate were chronologically related to the dissemination of results from a landmark trial published in February 2009. Non-linear spline regression was then used independently to identify critical time-points of change in the surgical repair rate to confirm the findings. RESULTS: A total of 29 531 patients sustained an Achilles tendon rupture during the study period. Consistently, around 21 out of every 100 cases underwent surgical repair up to the first quarter of 2010. However, by the first quarter of 2014, only 6.5 cases per 100 had surgery. A statistically significant decrease in the rate of surgical repair was observed within one year of the presentation of landmark trial results in 2009 (p < 0.001). July 2009 was independently identified as a critical time at which the surgical repair rate began to significantly decline (p < 0.001). The dissemination of trial results was associated with a significant drop in the rate of surgical repair at non-teaching hospitals (p = 0.001). CONCLUSION: The current study demonstrates that large, well-designed randomised trials, have the potential to encourage significant changes in the practice patterns of orthopaedic surgeons. Cite this article: Bone Joint J 2017;99-B:1629-36. PMID- 29212687 TI - Comparative study on the effectiveness of a corticosteroid injection for carpal tunnel syndrome in patients with and without Raynaud's phenomenon. AB - AIMS: The aim of this study was to compare the efficacy of a corticosteroid injection for the treatment of carpal tunnel syndrome (CTS) in patients with and without Raynaud's phenomenon. PATIENTS AND METHODS: In a prospective study, 139 patients with CTS were treated with a corticosteroid injection (10 mg triamcinolone acetonide); 34 had Raynaud's phenomenon and 105 did not (control group). Grip strength, perception of touch with a Semmes-Weinstein monofilament and the Boston Carpal Tunnel Questionnaires (BCTQ) were assessed at baseline and at six, 12 and 24 weeks after the injection. The Cold Intolerance Severity Score (CISS) questionnaire was also assessed at baseline and 24 weeks after the injection. RESULTS: The two groups had similar baseline BCTQ scores, but the scores in the Raynaud's phenomenon group were significantly higher than those in the control group at 12 and 24 weeks after the injection. Throughout the 24-week follow-up, there were no significant differences in the mean grip strength between the groups, whereas the mean Semmes-Weinstein monofilament sensory index for the control group was significantly higher than that of the Raynaud's phenomenon group. The mean CISSs were not significantly different between the groups at baseline and at 24 weeks. After 24 weeks, 11 patients (32%) in the Raynaud's phenomenon group and 16 (15%) in the control group required carpal tunnel decompression (p = 0.028). Multivariable analysis indicated that concurrent Raynaud's phenomenon (odds ratio (OR) 2.6) and severe electrophysiological grade (OR 2.1) were independently associated with a failure of treatment after a corticosteroid injection. CONCLUSION: Although considerable improvements in symptoms will probably occur in patients with Raynaud's phenomenon who have CTS, they have higher risk of poor functional outcomes and failure of treatment than those without Raynaud's phenomenon. Cite this article: Bone Joint J 2017;99-B:1637-42. PMID- 29212688 TI - Prognostic factors for the outcome of extracorporeal shockwave therapy for calcific tendinitis of the shoulder. AB - AIMS: We conducted a study to identify factors that are prognostic of the outcome of extracorporeal shockwave therapy (ESWT) for calcific tendinitis of the shoulder. PATIENTS AND METHODS: Since 1998, patients with symptomatic calcific tendinitis of the rotator cuff have been treated with ESWT using an electrohydraulic mode shockwave device. One year after ESWT, patients were grouped according to the level of resorption of calcification. RESULTS: Of 241 symptomatic shoulders, complete resorption (CR) of calcification occurred in 134 (CR group). The remaining 107 shoulders had incomplete resorption (ICR) (ICR group). Gartner type I calcification was most common (64.5%) in the ICR group. The mean duration of symptoms before ESWT was significantly longer in the ICR group. Overall, 81% of the CR group and 23.4% of the ICR group were symptom free. There was a strong relationship between subsidence of symptoms and remission of calcification. Poor prognosis was significantly related to Gartner type I calcification, calcification extent > 15 mm and duration of symptoms > 11 months. CONCLUSION: Patients with calcific tendinitis of the shoulder who have the factors identified for a poor outcome after ESWT should undergo a different procedure. Cite this article: Bone Joint J 2017;99-B:1643-50. PMID- 29212689 TI - Minimally invasive surgery for adolescent idiopathic scoliosis: correction of deformity and peri-operative morbidity in 70 consecutive patients. AB - AIMS: The aim of this study was to report a retrospective, consecutive series of patients with adolescent idiopathic scoliosis (AIS) who were treated with posterior minimally invasive surgery (MIS) with a mean follow-up of two years (sd 1.4; 0.9 to 0 3.7). Our objectives were to measure the correction of the deformity and record the peri-operative morbidity. Special attention was paid to the operating time (ORT), estimated blood loss (EBL), length of stay (LOS) and further complications. PATIENTS AND METHODS: We prospectively collected the data of 70 consecutive patients with AIS treated with MIS using three incisions and a muscle-splitting approach by a single surgeon between June 2013 and February 2016 and these were retrospectively reviewed. There were eight male and 62 female patients with a mean age of 15 years (sd 4.5 ) with a mean body mass index of 19.8 kg/m2 (sd 5.4). The curves were classified according to Lenke; 40 curves were type 1, 15 were type 2, three were type 3, two were type 4, eight were type 5 and two were type 6. RESULTS: The mean primary Cobb angle was corrected from 58.9 degrees (sd 12.6 degrees ) pre-operatively to 17.7 degrees (sd 10.2 degrees ) post-operatively with a mean correction of 69% (sd 20%, p < 0.001). The mean kyphosis at T5 to T12 increased from 24.2 degrees (sd 12.2 degrees ) pre operatively to 30.1 degrees (sd 9.6 degrees , p < 0.001) post-operatively. Peri operative (30 days) complications occurred in three patients(4.2%): one subcutaneous haematoma, one deep venous thrombosis and one pulmonary complication. Five additional complications occurred in five patients (7.1%): one superficial wound infection, one suture granuloma and three delayed deep surgical site infections. The mean ORT was 337.1 mins (sd 121.3); the mean EBL was 345.7 ml (sd 175.1) and the mean LOS was 4.6 days (sd 0.8). CONCLUSION: The use of MIS for patients with AIS results in a significant correction of spinal deformity in both the frontal and sagittal planes, with a low EBL and a short LOS. The rate of peri-operative complications compares well with that following a routine open technique. The longer term safety and benefit of MIS in these patients needs to be evaluated with further follow-up of a larger cohort of patients. Cite this article: Bone Joint J 2017;99-B:1651-7. PMID- 29212690 TI - Quantifying the 'law of diminishing returns' in magnetically controlled growing rods. AB - AIMS: Magnetically controlled growing rods (MCGRs) allow non-invasive correction of the spinal deformity in the treatment of early-onset scoliosis. Conventional growing rod systems (CGRS) need repeated surgical distractions: these are associated with the effect of the 'law of diminishing returns'. The primary aim of this study was to quantify this effect in MCGRs over sequential distractions. PATIENTS AND METHODS: A total of 35 patients with a maximum follow-up of 57 months were included in the study. There were 17 boys and 18 girls with a mean age of 7.4 years (2 to 14). True Distraction (TD) was determined by measuring the expansion gap on fluoroscopy. This was compared with Intended Distraction (ID) and expressed as the 'T/I' ratio. The T/I ratio and the Cobb angle were calculated at several time points during follow-up. RESULTS: The mean follow-up was 30 months (6 to 57). There was a significant decrease in the mean T/I ratio over time (convex rod at 3 months 0.81, sd 0.58 vs 51 months 0.17, sd 0.16, p = 0.0001; concave rod at 3 months 0.93, sd 0.67 vs 51 months 0.18, sd 0.15, p = 0.0001). A linear decline of the mean T/I ratios was noted for both convex rods (r2 = 0.90, p = 0.004) and concave rods (r2 = 0.81, p = 0.015) over 51 months. At the 24-month follow-up stage, there was a significant negative correlation between the mean T/I ratio of the concave rod with weight (r = -0.59, p = 0.01), age (r = -0.59, p = 0.01), and BMI of the child (r = -0.54, p = 0.01). CONCLUSIONS: The 'law of diminishing returns' is also seen after serial distraction using MCGR. Compared to previously published data for CGRS, there is a gradual linear decline rather than a rapid initial decline in lengthening. In older, heavier children a reduced distraction ratio in the concave rod of the MCGR device is noted over time. Cite this article: Bone Joint J 2017;99-B:1658 64. PMID- 29212691 TI - Longitudinal recovery following distal radial fractures managed with volar plate fixation. AB - AIMS: To synthesise the literature and perform a meta-analysis detailing the longitudinal recovery in the first two years following a distal radius fracture (DRF) managed with volar plate fixation. MATERIALS AND METHODS: Three databases were searched to identify relevant articles. Following eligibility screening and quality assessment, data were extracted and outcomes were assimilated at the post operative time points of interest. A state-of-the-art longitudinal mixed-effects meta-analysis model was employed to analyse the data. RESULTS: The search identified 5698 articles, of which 46 study reports met the selection criteria. High levels of disability and impairment were reported in the immediate post operative period with subsequently a rapid initial improvement followed by more gradual improvement for up to one year. The results highlight that the period associated with the greatest physical recovery is in the first three months and suggest that the endpoint of treatment outcomes is best measured at one year post surgery. CONCLUSION: Clinically meaningful improvements in outcomes can be expected for 12 months, after which progress plateaus and reaches normal values. This paper adopted a novel approach to meta-analyses in that the research question was of a longitudinal nature, which required a unique method of statistical analysis. Cite this article: Bone Joint J 2017;99-B:1665-76. PMID- 29212692 TI - The impact of age on major orthopaedic trauma: an analysis of the United Kingdom Trauma Audit Research Network database. AB - AIMS: To compare the early management and mortality of older patients sustaining major orthopaedic trauma with that of a younger population with similar injuries. PATIENTS AND METHODS: The Trauma Audit Research Network database was reviewed to identify eligible patients admitted between April 2012 and June 2015. Distribution and severity of injury, interventions, comorbidity, critical care episodes and mortality were recorded. The population was divided into young (64 years or younger) and older (65 years and older) patients. RESULTS: Of 142 765 adults sustaining major trauma, 72 942 (51.09 %) had long bone or pelvic fractures and 45.81% of these were > 65 years old. Road traffic collision was the most common mechanism in the young (40.4%) and, in older people, fall from standing height (80.4%) predominated. The 30 day mortality in older patients with fractures is greater (6.8% versus 2.5%), although critical care episodes are more common in the young (18.2% versus 9.7%). Older people are less likely to be admitted to critical care beds and are often managed in isolation by surgeons. Orthopaedic surgery is the most common admitting and operating specialty and, in older people, fracture surgery accounted for 82.1% of procedures. CONCLUSION: Orthopaedic trauma in older people is associated with mortality that is significantly greater than for similar fractures in the young. As with the hip fracture population, major trauma in the elderly is a growing concern which highlights the need for a review of admission pathways and shared orthogeriatric care models. Cite this article: Bone Joint J 2017;99-B:1677-80. PMID- 29212693 TI - Clinical, functional and radiological outcomes of extracorporeal irradiation in limb salvage surgery for bone tumours. AB - AIMS: We present a retrospective review of patients treated with extracorporeally irradiated allografts for primary and secondary bone tumours with the mid- and long-term survivorship and the functional and radiographic outcomes. PATIENTS AND METHODS: A total of 113 of 116 (97.4%) patients who were treated with extracorporeally irradiated allografts between 1996 and 2014 were followed up. Forms of treatment included reconstructions, prostheses and composite reconstructions, both with and without vascularised grafts. Survivorship was determined by the Kaplan-Meier method. Clinical outcomes were assessed using the Musculoskeletal Tumor Society (MSTS) scoring system, the Toronto Extremity Salvage Score (TESS) and Quality of Life-C30 (QLQ-30) measures. Radiographic outcomes were assessed using the International Society of Limb Salvage (ISOLS) radiographic scoring system. RESULTS: There were 61 (54%) men with a mean age of 22 years (6 to 70) and 52 (46%) women with a mean age of 26 years (3 to 85). There were 23 deaths. The five-year patient survivorship was 82.3% and the ten year patient survivorship was 79.6%. The mean follow-up of the 90 surviving patients was 80.3 months (2 to 207). At the last follow-up, 105 allografts (92.9%) were still in place or had been at the time of death; eight (7%) had failed due to infection, local recurrence or fracture. Outcome scores were comparable with or superior to those in previous studies. The mean outcome scores were: MSTS 79% (sd 8); TESS 83% (sd 19); QLQ 82% (sd 16); ISOLS 80.5% (sd 19). Pearson correlation analysis showed a strong relationship between the MSTS and ISOLS scores (r = 0.71, p < 0.001). CONCLUSION: This study shows that extracorporeal irradiation is a versatile reconstructive technique for dealing with large defects after the resection of bone tumours with good functional and radiographic outcomes. Functional outcomes as measured by MSTS, TESS and QLQ-30 were strongly correlated to radiographic outcomes. Cite this article: Bone Joint J 2017;99-B:1681-8. PMID- 29212694 TI - Minimising aseptic loosening in extreme bone resections: custom-made tumour endoprostheses with short medullary stems and extra-cortical plates. AB - AIMS: Following the resection of an extensive amount of bone in the treatment of a tumour, the residual segment may be insufficient to accept a standard length intramedullary cemented stem. Short-stemmed endoprostheses conceivably have an increased risk of aseptic loosening. Extra-cortical plates have been added to minimise this risk by supplementing fixation. The aim of this study was to investigate the survivorship of short-stemmed endoprostheses and extra-cortical plates. PATIENTS AND METHODS: The study involved 37 patients who underwent limb salvage surgery for a primary neoplasm of bone between 1998 and 2013. Endoprosthetic replacement involved the proximal humerus in nine, the proximal femur in nine, the distal femur in 13 and the proximal tibia in six patients. There were 12 primary (32%) and 25 revision procedures (68%). Implant survivorship was compared with matched controls. The amount of bone that was resected was > 70% of its length and statistically greater than the standard control group at each anatomical site. RESULTS: The mean follow-up was seven years (one to 17). The mean length of the stem was 33 mm (20 to 60) in the humerus and 79 mm (34 to 100) in the lower limb. Kaplan-Meier analysis of survival of the implant according to anatomical site confirmed that there was no statistically significant difference between the short-stemmed endoprostheses and the standard stemmed controls at the proximal humeral (p = 0.84), proximal femoral (p = 0.57), distal femoral (p = 0.21) and proximal tibial (p = 0.61) sites. In the short-stemmed group, no implants with extra-cortical plate osseointegration suffered loosening at a mean of 8.5 years (range 2 to 16 years). Three of ten (30%) without osseointegration suffered aseptic loosening at a mean of 7.7 years (range 2 to 11.5 years). CONCLUSION: When extensive resections of bone are required in the surgical management of tumours, and in revision cases, the addition of extra-cortical plates to short medullary stems has shown non inferiority to standard length medullary stems and minimises aseptic failure. Cite this article: Bone Joint J 2017;99-B:1689-95. PMID- 29212695 TI - Corrigendum. AB - Mohaddes M, Shareghi B, Karrholm J. Promising early results for trabecular metal acetabular components used at revision total hip arthroplasty. Bone Joint J 2017;99-B:880-886. PMID- 29212696 TI - Corrigendum. AB - Wall PDH, Parsons NR, Parsons H, Achten J, Balasubramanian S, Thompson P, Costa ML; P. D. H. Wall on behalf of A. P. Sprowson,? M. L. Costa, PAKA Study Group. A pragmatic randomised controlled trial comparing the efficacy of a femoral nerve block and periarticular infiltration for early pain relief following total knee arthroplasty. Bone Joint J 2017;99-B:904-911. PMID- 29212697 TI - Errata. AB - Stavem K, Naumann MG, Sigurdsen U, Utvag SE. The association of body mass index with complications and functional outcomes after surgery for closed ankle fractures. Bone Joint J 2017;99-B:1389-1398. PMID- 29212698 TI - Corrigendum. AB - Refaie R, Rushton PRP, McGovern PD, Thompson D, Serrano-Pedraza I, Rankin KS, Reed MR. The effect of operating lights on laminar flow: an experimental study using neutrally buoyant helium bubbles. Bone Joint J 2017;99-B:1061-1066. PMID- 29212700 TI - The Alere BinaxNOW Pneumococcal Urinary Antigen Test: Diagnostic Sensitivity for Adult Pneumococcal Pneumonia and Relationship to Specific Serotypes. AB - Little is known about the sensitivity of the BinaxNOW pneumococcal urinary antigen (PUA) test for adult pneumococcal pneumonia caused by different serotypes. In this study, we aimed to analyze the trends in the sensitivity of the PUA test over a 15-year period (2001 to 2015) and to analyze its sensitivity for pneumococcal pneumonia caused by different serotypes. In total, we analyzed 1,096 pneumococcal isolates from adults with pneumococcal pneumonia who had a PUA test performed at the onset of the episode. Three periods were analyzed: 2001 to 2005 (early use of the seven-valent pneumococcal conjugate vaccine [early PCV7]), 2006 to 2010 (late PCV7), and 2011 to 2015 (early PCV13). The sensitivity of the PUA test varied from 76.4% (95% confidence interval [CI], 70.5% to 82.4%) in the period from 2001 to 2005 to 77.9% in 2006 to 2010 (95% CI, 74.4% to 81.4%) and decreased to 60.5% (95% CI, 55.4% to 65.6%) in 2011 to 2015. This decrease was observed in 560 proven (83.2% in 2001 to 2005, 86.5% in 2006 to 2010, and 78.1%) and 536 probable (70.0% in 2001 to 2005, 68.7% in 2006 to 2010, and 41.5% in 2011 to 2015) episodes of pneumococcal pneumonia. Differences were observed in the sensitivity of the PUA test for diagnosing pneumonia caused by certain serotypes, being highest for the 9V (90.6%), 14 (86.8%), 18C (100%), and 20 (100%) serotypes and lowest for the 8 (55.2%), 9L/N (39.1%), 11A (48.8%), 23B (33.3%), and nontypeable (47.8%) serotypes. Comparing 2001 to 2005, 2006 to 2010, and 2011 to 2015, the prevalence of serotypes 9V (3.1%, 3.7%, and 1.7%, respectively) and 14 (7.2%, 5.1%, and 3.1%, respectively) decreased, while the prevalence of serotypes 23B (0%, 0.7%, and 1.4%, respectively), 9L/N (1.0%, 1.6%, and 3.4%, respectively), 11A (2.6%, 4.2%, and 3.7%, respectively), and 8 (1.5%, 1.5%, and 5.1%, respectively) increased. The PUA test sensitivity varied by pneumococcal pneumonia serotype, and these differences and the changes in serotype distribution were associated with an overall decrease in the sensitivity of the PUA test. PMID- 29212699 TI - Rapid Microarray-Based Detection of Rifampin, Isoniazid, and Fluoroquinolone Resistance in Mycobacterium tuberculosis by Use of a Single Cartridge. AB - The rapid and robust identification of mutations in Mycobacterium tuberculosis complex (MTBC) strains mediating multidrug-resistant (MDR) and extensively drug resistant (XDR) phenotypes is crucial to combating the MDR tuberculosis (TB) epidemic. Currently available molecular anti-TB drug susceptibility tests either are restricted to a single target or drug (i.e., the Xpert MTB/RIF test) or present a risk of cross-contamination due to the design limitations of the open platform (i.e., line probe assays). With a good understanding of the technical and commercial boundaries, we designed a test cartridge based on an oligonucleotide array into which dried reagents are introduced and which has the ability to identify MTBC strains resistant to isoniazid, rifampin, and the fluoroquinolones. The melting curve assay interrogates 43 different mutations in the rifampin resistance-determining region (RRDR) of rpoB, rpoB codon 572, katG codon 315, the inhA promoter region, and the quinolone resistance-determining region (QRDR) of gyrA in a closed cartridge system within 90 min. Assay performance was evaluated with 265 clinical MTBC isolates, including MDR/XDR, non MDR, and fully susceptible isolates, from a drug resistance survey performed in Swaziland in 2009 and 2010. In 99.5% of the cases, the results were consistent with data previously acquired utilizing Sanger sequencing. The assay, which uses a closed cartridge system in combination with a battery-powered Alere q analyzer and which has the potential to extend the current gene target panel, could serve as a rapid and robust point-of-care test in settings lacking a comprehensive molecular laboratory infrastructure to differentiate TB patients infected with MDR and non-MDR strains and to assist clinicians with their early treatment decisions. PMID- 29212701 TI - Multicenter Evaluation of the ePlex Respiratory Pathogen Panel for the Detection of Viral and Bacterial Respiratory Tract Pathogens in Nasopharyngeal Swabs. AB - The performance of the new ePlex Respiratory Pathogen (RP) panel (GenMark Diagnostics) for the simultaneous detection of 19 viruses (influenza A virus; influenza A H1 virus; influenza A 2009 H1 virus; influenza A H3 virus; influenza B virus; adenovirus; coronaviruses [HKU1, OC43, NL63, and 229E]; human rhinovirus/enterovirus; human metapneumovirus; parainfluenza viruses 1, 2, 3, and 4; and respiratory syncytial virus [RSV] [RSV subtype A and RSV subtype B]) and 2 bacteria (Mycoplasma pneumoniae and Chlamydia pneumoniae) was evaluated. Prospectively and retrospectively collected nasopharyngeal swab (NPS) specimens (n = 2,908) were evaluated by using the ePlex RP panel, with the bioMerieux/BioFire FilmArray Respiratory Panel (BioFire RP) as the comparator method. Discordance analysis was performed by using target-specific PCRs and bidirectional sequencing. The reproducibility of the assay was evaluated by using reproducibility panels comprised of 6 pathogens. The overall agreement between the ePlex RP and BioFire RP results was >95% for all targets. Positive percent agreement with the BioFire RP result for viruses ranged from 85.1% (95% confidence interval [CI], 80.2% to 88.9%) to 95.1% (95% CI, 89.0% to 97.9%), while negative percent agreement values ranged from 99.5% (95% CI, 99.1% to 99.7%) to 99.8% (95% CI, 99.5% to 99.9%). Additional testing of discordant targets (12%; 349/2,908) confirmed the results of ePlex RP for 38% (131/349) of samples tested. Reproducibility was 100% for all targets tested, with the exception of adenovirus, for which reproducibilities were 91.6% at low virus concentrations and 100% at moderate virus concentrations. The ePlex RP panel offers a new, rapid, and sensitive "sample-to-answer" multiplex panel for the detection of the most common viral and bacterial respiratory pathogens. PMID- 29212702 TI - Multicenter Clinical Validation of a Cartridge-Based Real-Time PCR System for Detection of Coccidioides spp. in Lower Respiratory Specimens. AB - Available methods for the diagnosis of coccidioidomycosis have significant shortcomings relative to accuracy and timeliness. We retrospectively and prospectively evaluated the diagnostic performance and reproducibility of a new cartridge-based real-time PCR assay for Coccidioides spp. directly in lower respiratory secretions and compared them to today's "gold standard," fungal culture. The GeneSTAT Coccidioides assay uses a 106-bp target sequence repeated multiple times (~60*) per genome, thus lowering the limit of detection (LOD) for extracted DNA to 10 genome equivalents/ml. A total of 332 prospective and retrospective individual patient specimens were tested. The retrospective samples consisted of 100 bronchoalveolar lavage or bronchial wash (BAL/BW) (51 positive and 49 negative by culture) specimens that had been collected previously and stored at -70 degrees C. These samples were tested by the GeneSTAT Coccidioides assay across three clinical test sites. The sensitivity was 100%, and the specificity ranged between 93.8% and 100%. There was minimal variance in the percent agreement across the three sites, 95.6% to 100%. Additionally, a total of 232 fresh (prospective) deidentified BAL/BW specimens were tested across the three clinical sites, which included a number of specimens from Southern California to provide a diversity of isolates. Specimens were tested by fungal culture, with any isolates of Coccidioides, except for one, being confirmed by molecular means (AccuProbe). The sensitivity of the GeneSTAT Coccidioides assay across the three sites was 100% (4/4) for positive fresh specimens, and the overall specificity of the assay was 99.6% (227/228), ranging from 98.1% to 100%. In testing for cross-reactivity, the assay was 100% specific when screened against 47 different bacterial, viral, and fungal species. PMID- 29212703 TI - Diagnostic Assay Development for Poliovirus Eradication. AB - With poliovirus eradication nearing, few pockets of active wild poliovirus (WPV) transmission remain in the world. Intratypic differentiation (ITD) plays a crucial part in laboratory surveillance as the molecular detection method that can identify and distinguish wild and vaccine-like polioviruses isolated from acute flaccid paralysis cases or environmental sources. The need to detect new variants of WPV serotype 1 (WPV1) and the containment of all serotype 2 polioviruses (PV2) in 2015 required changes to the previous version of the method. The ITD version 5.0 is a set of six real-time reverse transcription-PCR (rRT-PCR) assays that serve as accurate diagnostic tools to easily detect and differentiate PV serotypes and genotypes. We describe the creation and properties of quantitation standards, including 16 control RNA transcripts and nine plaque isolated viruses. All ITD rRT-PCR assays were validated using these standards, and the limits of detection were determined for each assay. We designed and pilot tested two new assays targeting recently circulating WPV1 genotypes and all PV2 viruses. The WPV1 assay had 99.1% specificity and 100% sensitivity, and the PV2 assay had 97.7% specificity and 92% sensitivity. Before proceeding to the next step in the global poliovirus eradication program, we needed to gain a better understanding of the performance of the ITD 5.0 suite of molecular assays and their limits of detection and specificities. The findings and conclusions in this evaluation serve as building blocks for future development work. PMID- 29212704 TI - Performance of Ceftolozane-Tazobactam Etest, MIC Test Strips, and Disk Diffusion Compared to Reference Broth Microdilution for beta-Lactam-Resistant Pseudomonas aeruginosa Isolates. AB - The performance characteristics of the ceftolozane-tazobactam (C-T) Etest (bioMerieux, Marcy l'Etoile, France), MIC test strips (MTS; Liofilchem, Italy), and disk diffusion (Hardy, Santa Ana, CA) were evaluated for a collection of 308 beta-lactam-resistant isolates of Pseudomonas aeruginosa recovered from three institutions in Los Angeles, CA. Reference testing was performed by the reference broth microdilution (rBMD) method. MIC and disk results were interpreted using Clinical and Laboratory Standards Institute breakpoints. Overall, 72.5% of the isolates were susceptible to C-T by rBMD. Etest and disk diffusion demonstrated acceptable performance, whereas MTS yielded a greater than acceptable percentage of minor errors. Categorical agreement was 96.8% for Etest, 87.0% for MTS, and 92.9% for disk diffusion. No very major errors were observed by any test, and no major errors (ME) were observed by Etest or disk diffusion. Two ME (0.9% of susceptible isolates) were observed by MTS. The incidence of minor errors was 3.2%, 12.3%, and 7.1% for Etest, MTS, and disk diffusion, respectively. Essential agreement (EA) for Etest was excellent, at 97.7%, whereas the MICs obtained by MTS tended to be 1 to 2 dilutions higher than those obtained by rBMD, with an EA of 87.0%. PMID- 29212705 TI - Update from a 12-Year Nationwide Fungemia Surveillance: Increasing Intrinsic and Acquired Resistance Causes Concern. AB - New data from the years 2012 to 2015 from the Danish National Fungemia Surveillance are reported, and epidemiological trends are investigated in a 12 year perspective (2004 to 2015). During 2012 to 2015, 1,900 of 1,939 (98%) fungal bloodstream isolates were included. The average incidence was 8.4/100,000 inhabitants, and this appears to represent a stabilizing trend after the increase to 10.1/100,000 in 2011. The incidence was higher in males than females (10.0 versus 6.8) and in patients above 50 years, and those changes were mainly driven by an increasing incidence among 80-to-89-year-old males (65.3/100,000 in 2014 to 2015). The proportion of Candida albicans isolates decreased from 2004 to 2015 (64.4% to 42.4%) in parallel with a doubling of the proportion of Candida glabrata isolates (16.5% to 34.6%, P < 0.0001). C. glabrata was more common among females (34.0% versus 30.4% in males). Following an increase in 2004 to 2011, the annual drug use stabilized during the last 2 to 3 years of that time period but remained higher than in other Nordic countries. This was particularly true for the fluconazole and itraconazole use in the primary health care sector, which exceeded the combined national levels of use of these compounds in each of the other Nordic countries. Fluconazole susceptibility decreased (68.5%, 65.2%, and 60.6% in 2004 to 2007, 2008 to 2011, and 2012 to 2015, respectively, P < 0.0001), and echinocandin resistance emerged in Candida (0%, 0.6%, and 1.7%, respectively, P < 0.001). Amphotericin B susceptibility remained high (98.7%). Among 16 (2.7%) echinocandin-resistant C. glabrata isolates (2012 to 2015), 13 harbored FKS mutations and 5 (31%) were multidrug resistant. The epidemiological changes and the increased incidence of intrinsic and acquired resistance emphasize the importance of continued surveillance and of strengthened focus on antifungal stewardship. PMID- 29212706 TI - Phosphorylation of the E3 ubiquitin protein ligase ITCH diminishes binding to its cognate E2 ubiquitin ligase. AB - Heightened and extended inflammation underlies the pathogenesis of many disorders, including inflammatory bowel disease, sepsis, and inflammatory arthritis. Ubiquitin networks help dictate the strength and duration of inflammatory signaling. In innate immunity, the itchy E3 ubiquitin protein ligase (ITCH)-A20 ubiquitin-editing complex inhibits receptor-interacting Ser/Thr kinase (RIPK) activation by removing Lys-63-linked polyubiquitinated chains from key proteins in the nuclear factor kappa B (NF-kappaB) signaling pathway. The complex then attaches polyubiquitinated chains to these proteins to target them for lysosomal or proteasomal destruction. ITCH is phosphorylated and thereby inhibited by inhibitor of nuclear factor kappa B kinase subunit beta (IKKbeta) to fine-tune the inflammatory response to the strength of the offending signal. However, the biochemical mechanism by which E3 ubiquitination is impaired by IKK driven phosphorylation remains unclear. Here, we report that this phosphorylation impedes ITCH binding to its cognate E2 ubiquitin ligase, UbcH7. Using CRISPR-Cas9 genetic knockout to mimic the ITCH-UbcH7-inhibited state, we further show that genetic UbcH7 deficiency phenocopies ITCH phosphorylation in regulating RIPK2 ubiquitination. We conclude that phosphorylation can disrupt the binding of an E3 ubiquitin ligase to an E2-conjugating enzyme, leading to prolonged inflammatory signaling. To our knowledge, this is the first report of E3 ubiquitin ligase phosphorylation inhibiting E3 ligase activity by impairing E2-E3 complex formation. PMID- 29212707 TI - Inherent steroid 17alpha,20-lyase activity in defunct cytochrome P450 17A enzymes. AB - Cytochrome P450 (P450) 17A1 catalyzes the oxidations of progesterone and pregnenolone and is the major source of androgens. The enzyme catalyzes both 17alpha-hydroxylation and a subsequent 17alpha,20-lyase reaction, and several mechanisms have been proposed for the latter step. Zebrafish P450 17A2 catalyzes only the 17alpha-hydroxylations. We previously reported high similarity of the crystal structures of zebrafish P450 17A1 and 17A2 and human P450 17A1. Five residues near the heme, which differed, were changed. We also crystallized this five-residue zebrafish P450 17A1 mutant, and the active site still resembled the structure in the other proteins, with some important differences. These P450 17A1 and 17A2 mutants had catalytic profiles more similar to each other than did the wildtype proteins. Docking with these structures can explain several minor products, which require multiple enzyme conformations. The 17alpha-hydroperoxy (OOH) derivatives of the steroids were used as oxygen surrogates. Human P450 17A1 and zebrafish P450s 17A1 and P450 17A2 readily converted these to the lyase products in the absence of other proteins or cofactors (with catalytically competent kinetics) plus hydroxylated 17alpha-hydroxysteroids. The 17alpha-OOH results indicate that a "Compound I" (FeO3+) intermediate is capable of formation and can be used to rationalize the products. We conclude that zebrafish P450 17A2 is capable of lyase activity with the 17alpha-OOH steroids because it can achieve an appropriate conformation for lyase catalysis in this system that is precluded in the conventional reaction. PMID- 29212708 TI - The crystal structure of pseudokinase PEAK1 (Sugen kinase 269) reveals an unusual catalytic cleft and a novel mode of kinase fold dimerization. AB - The pseudokinase group encompasses some 10% of protein kinases, but pseudokinases diverge from canonical kinases in key motifs. The two members of the small new kinase family 3 (NKF3) group are considered pseudokinases. These proteins, pseudopodium-enriched atypical kinase 1 (PEAK1, Sugen kinase 269, or SgK269) and pragmin (Sugen kinase 223 or SgK223), act as scaffolds in growth factor signaling pathways, and both contain a kinase fold with degraded kinase motifs at their C termini. These kinases may harbor regions that mediate oligomerization or control other aspects of signal transduction, but a lack of structural information has precluded detailed investigations into their functional roles. In this study, we determined the X-ray crystal structure of the PEAK1 pseudokinase domain to 2.3 A resolution. The structure revealed that the PEAK1 kinase-like domain contains a closed nucleotide-binding cleft that in this conformation may deleteriously affect nucleotide binding. Moreover, we found that N- and C-terminal extensions create a highly unusual all alpha-helical split-dimerization region, termed here the split helical dimerization (SHED) region. Sequence conservation analysis suggested that this region facilitates a dimerization mode that is conserved between PEAK1 and pragmin. Finally, we observed structural similarities between the PEAK1 SHED region and the C-terminal extension of the Parkinson's disease associated kinase PINK1. In summary, PEAK1's kinase cleft is occluded, and its newly identified SHED region may promote an unexpected dimerization mode. Similarities of PEAK1 with the active kinase PINK1 may reclassify the latter as a member of the new kinase family 3 group. PMID- 29212710 TI - Clinical trial design: The nobility of randomization. AB - A clinical trial evaluating HIV vaccine therapy teaches us much about optimal design (Sneller et al, this issue). PMID- 29212709 TI - A eukaryotic nicotinate-inducible gene cluster: convergent evolution in fungi and bacteria. AB - Nicotinate degradation has hitherto been elucidated only in bacteria. In the ascomycete Aspergillus nidulans, six loci, hxnS/AN9178 encoding the molybdenum cofactor-containing nicotinate hydroxylase, AN11197 encoding a Cys2/His2 zinc finger regulator HxnR, together with AN11196/hxnZ, AN11188/hxnY, AN11189/hxnP and AN9177/hxnT, are clustered and stringently co-induced by a nicotinate derivative and subject to nitrogen metabolite repression mediated by the GATA factor AreA. These genes are strictly co-regulated by HxnR. Within the hxnR gene, constitutive mutations map in two discrete regions. Aspergillus nidulans is capable of using nicotinate and its oxidation products 6-hydroxynicotinic acid and 2,5 dihydroxypyridine as sole nitrogen sources in an HxnR-dependent way. HxnS is highly similar to HxA, the canonical xanthine dehydrogenase (XDH), and has originated by gene duplication, preceding the origin of the Pezizomycotina. This cluster is conserved with some variations throughout the Aspergillaceae. Our results imply that a fungal pathway has arisen independently from bacterial ones. Significantly, the neo-functionalization of XDH into nicotinate hydroxylase has occurred independently from analogous events in bacteria. This work describes for the first time a gene cluster involved in nicotinate catabolism in a eukaryote and has relevance for the formation and evolution of co-regulated primary metabolic gene clusters and the microbial degradation of N-heterocyclic compounds. PMID- 29212712 TI - A reversible thermoresponsive sealant for temporary closure of ocular trauma. AB - Open globe injuries are full-thickness injuries sustained to the eye wall (cornea or sclera), which cause immediate drops in intraocular pressure that may lead to retinal detachment and permanent vision loss if not treated rapidly after injury. The current standard of care for open globe injuries consists of suturing the margins closed, but the technique can be time-consuming, requires specialized training and equipment, and can lead to patient discomfort, abrasion, and infection from eye rubbing. We engineered an injectable, thermoresponsive sealant (TRS) and a custom tool to occlude open globe injuries. The smart hydrogel sealant consists of physically cross-linked N-isopropylacrylamide copolymerized with butylacrylate. At low temperatures, it can be injected as a liquid, and when raised to body temperature, a heat-induced gelation converts the hydrogel into a solidified occlusion. The sealant can be repositioned or removed without causing additional trauma via exposure to cold water. In vitro and ex vivo assessments of mechanical adhesion to eye tissue revealed maintenance of intraocular pressure that is five times greater than the physiological range with reversible seal strength comparable to cyanoacrylate (super glue). In vivo assessment in a rabbit model of ocular trauma demonstrated ease of use for TRS deployment, statistically significant improvement in wound sealing, and no evidence of neurotoxicity, retinal tissue degradation, or significant chronic inflammatory response after 30 days of exposure. Given the advantages of body heat-induced gelation, rapid reversible occlusion, and in vivo safety and efficacy, shape-adaptable TRSs have translational potential as smart wound sealants for temporary occlusion of surgical incisions or traumatic injuries. PMID- 29212711 TI - PPARdelta activation by bexarotene promotes neuroprotection by restoring bioenergetic and quality control homeostasis. AB - Neurons must maintain protein and mitochondrial quality control for optimal function, an energetically expensive process. The peroxisome proliferator activated receptors (PPARs) are ligand-activated transcription factors that promote mitochondrial biogenesis and oxidative metabolism. We recently determined that transcriptional dysregulation of PPARdelta contributes to Huntington's disease (HD), a progressive neurodegenerative disorder resulting from a CAG polyglutamine repeat expansion in the huntingtin gene. We documented that the PPARdelta agonist KD3010 is an effective therapy for HD in a mouse model. PPARdelta forms a heterodimer with the retinoid X receptor (RXR), and RXR agonists are capable of promoting PPARdelta activation. One compound with potent RXR agonist activity is the U.S. Food and Drug Administration-approved drug bexarotene. We tested the therapeutic potential of bexarotene in HD and found that bexarotene was neuroprotective in cellular models of HD, including medium spiny-like neurons generated from induced pluripotent stem cells (iPSCs) derived from patients with HD. To evaluate bexarotene as a treatment for HD, we treated the N171-82Q mouse model with the drug and found that bexarotene improved motor function, reduced neurodegeneration, and increased survival. To determine the basis for PPARdelta neuroprotection, we evaluated metabolic function and noted markedly impaired oxidative metabolism in HD neurons, which was rescued by bexarotene or KD3010. We examined mitochondrial and protein quality control in cellular models of HD and observed that treatment with a PPARdelta agonist promoted cellular quality control. By boosting cellular activities that are dysfunctional in HD, PPARdelta activation may have therapeutic applications in HD and potentially other neurodegenerative diseases. PMID- 29212714 TI - Erratum for the Research Article: "The FcRn inhibitor rozanolixizumab reduces human serum IgG concentration: A randomized phase 1 study" by P. Kiessling, R. Lledo-Garcia, S. Watanabe, G. Langdon, D. Tran, M. Bari, L. Christodoulou, E. Jones, G. Price, B. Smith, F. Brennan, I. White, S. Jolles. PMID- 29212713 TI - A degradation fragment of type X collagen is a real-time marker for bone growth velocity. AB - Despite its importance as a key parameter of child health and development, growth velocity is difficult to determine in real time because skeletal growth is slow and clinical tools to accurately detect very small increments of growth do not exist. We report discovery of a marker for skeletal growth in infants and children. The intact trimeric noncollagenous 1 (NC1) domain of type X collagen, the marker we designated as CXM for Collagen X Marker, is a degradation by product of endochondral ossification that is released into the circulation in proportion to overall growth plate activity. This marker corresponds to the rate of linear bone growth at time of measurement. Serum concentrations of CXM plotted against age show a pattern similar to well-established height growth velocity curves and correlate with height growth velocity calculated from incremental height measurements in this study. The CXM marker is stable once collected and can be accurately assayed in serum, plasma, and dried blood spots. CXM testing may be useful for monitoring growth in the pediatric population, especially responses of infants and children with genetic and acquired growth disorders to interventions that target the underlying growth disturbances. The utility of CXM may potentially extend to managing other conditions such as fracture healing, scoliosis, arthritis, or cancer. PMID- 29212715 TI - BCAS1 expression defines a population of early myelinating oligodendrocytes in multiple sclerosis lesions. AB - Investigations into brain function and disease depend on the precise classification of neural cell types. Cells of the oligodendrocyte lineage differ greatly in their morphology, but accurate identification has thus far only been possible for oligodendrocyte progenitor cells and mature oligodendrocytes in humans. We find that breast carcinoma amplified sequence 1 (BCAS1) expression identifies an oligodendroglial subpopulation in the mouse and human brain. These cells are newly formed, myelinating oligodendrocytes that segregate from oligodendrocyte progenitor cells and mature oligodendrocytes and mark regions of active myelin formation in development and in the adult. We find that BCAS1+ oligodendrocytes are restricted to the fetal and early postnatal human white matter but remain in the cortical gray matter until old age. BCAS1+ oligodendrocytes are reformed after experimental demyelination and found in a proportion of chronic white matter lesions of patients with multiple sclerosis (MS) even in a subset of patients with advanced disease. Our work identifies a means to map ongoing myelin formation in health and disease and presents a potential cellular target for remyelination therapies in MS. PMID- 29212716 TI - A randomized controlled safety/efficacy trial of therapeutic vaccination in HIV infected individuals who initiated antiretroviral therapy early in infection. AB - Despite substantial clinical benefits, complete eradication of HIV has not been possible using antiretroviral therapy (ART) alone. Strategies that can either eliminate persistent viral reservoirs or boost host immunity to prevent rebound of virus from these reservoirs after discontinuation of ART are needed; one possibility is therapeutic vaccination. We report the results of a randomized, placebo-controlled trial of a therapeutic vaccine regimen in patients in whom ART was initiated during the early stage of HIV infection and whose immune system was anticipated to be relatively intact. The objectives of our study were to determine whether the vaccine was safe and could induce an immune response that would maintain suppression of plasma viremia after discontinuation of ART. Vaccinations were well tolerated with no serious adverse events but produced only modest augmentation of existing HIV-specific CD4+ T cell responses, with little augmentation of CD8+ T cell responses. Compared with placebo, the vaccination regimen had no significant effect on the kinetics or magnitude of viral rebound after interruption of ART and no impact on the size of the HIV reservoir in the CD4+ T cell compartment. Notably, 26% of subjects in the placebo arm exhibited sustained suppression of viremia (<400 copies/ml) after treatment interruption, a rate of spontaneous suppression higher than previously reported. Our findings regarding the degree and kinetics of plasma viral rebound after ART interruption have potentially important implications for the design of future trials testing interventions aimed at achieving ART-free control of HIV infection. PMID- 29212717 TI - Adaptation in response to environmental unpredictability. AB - Understanding how organisms adaptively respond to environmental fluctuations is a fundamental question in evolutionary biology. The Mediterranean region typically exhibits levels of environmental unpredictability that vary greatly in habitats over small geographical scales. In cyclically parthenogenetic rotifers, clonal proliferation occurs along with occasional bouts of sex. These bouts contribute to the production of diapausing eggs, which allows survival between growing seasons. Here, we studied two diapause-related traits in rotifers using clones from nine Brachionus plicatilis natural populations that vary in the degree of environmental unpredictability. We tested the hypothesis that the level of environmental unpredictability is directly related to the propensity for sex and inversely related to the hatching fraction of diapausing eggs. We found significant levels of genetic variation within populations for both traits. Interestingly, a positive correlation between pond unpredictability-quantified in a previous study from satellite imagery-and the propensity for sex was found. This correlation suggests a conservative, bet-hedging strategy that provides protection against unexpectedly short growing seasons. By contrast, the hatching fraction of diapausing eggs was not related to the level of environmental predictability. Our results highlight the ability of rotifer populations to locally adapt to time-varying environments, providing an evolutionarily relevant step forward in relating life-history traits to a quantitative measure of environmental unpredictability. PMID- 29212718 TI - The persistence of multiple strains of avian influenza in live bird markets. AB - Multiple subtypes of avian influenza (AI) and novel reassortants are frequently isolated from live bird markets (LBMs). However, our understanding of the drivers of persistence of multiple AI subtypes is limited. We propose a stochastic model of AI transmission within an LBM that incorporates market size, turnover rate and the balance of direct versus environmental transmissibility. We investigate the relationship between these factors and the critical community size (CCS) for the persistence of single and multiple AI strains within an LBM. We fit different models of seeding from farms to two-strain surveillance data collected from Shantou, China. For a single strain and plausible estimates for continuous turnover rates and transmissibility, the CCS was approximately 11 800 birds, only a 4.2% increase in this estimate was needed to ensure persistence of the co infecting strains (two strains in a single host). Precise values of CCS estimates were sensitive to changes in market turnover rate and duration of the latent period. Assuming a gradual daily sell rate of birds the estimated CCS was higher than when an instantaneous selling rate was assumed. We were able to reproduce prevalence dynamics similar to observations from a single market in China with infection seeded every 5-15 days, and a maximum non-seeding duration of 80 days. Our findings suggest that persistence of co-infections is more likely to be owing to sequential infection of single strains rather than ongoing transmission of both strains concurrently. In any given system for a fixed set of ecological and epidemiological conditions, there is an LBM size below which the risk of sustained co-circulation is low and which may suggest a clear policy opportunity to reduce the frequency of influenza co-infection in poultry. PMID- 29212719 TI - A novel pathway of nutrient absorption in crustaceans: branchial amino acid uptake in the green shore crab (Carcinus maenas). AB - Estuaries are environments enriched with dissolved nutrients such as amino acids. To date, marine arthropods are the only invertebrate group that have not been demonstrated to access this potentially important nutrient resource. Using in vitro gill perfusion techniques, we sought to investigate the ability of the green shore crab (Carcinus maenas) to take up the amino acid l-leucine directly from the water. Investigation of the concentration-dependent transport kinetics of radiolabelled l-leucine showed that there are two specific transport pathways across Carcinus gills, one with high affinity and low capacity, and the other with high capacity and low affinity. Using putative competitive substrates and reduced sodium preparations, we were able to identify the putative amino acid transport system associated with high-affinity uptake. This is the first study to demonstrate the absorption of dissolved organic nutrients across the gill epithelium of a marine arthropod. PMID- 29212720 TI - Co-occurrence of related asexual, but not sexual, lineages suggests that reproductive interference limits coexistence. AB - We used randomizations to analyse patterns of co-occurrence of sexual and apomictic (asexual) members of the North American Crepis agamic complex (Asteraceae). We expect strong asymmetry in reproductive interactions in Crepis: apomicts produce clonal seeds with no need for pollination and are not subject to reproductive interference from co-occurring relatives. However, because they still produce some viable pollen, apomicts can reduce reproductive success of nearby sexual relatives, potentially leading to eventual local exclusion of sexuals. Consistent with this, randomizations reveal that sexuals are over represented in isolated sites, while apomicts freely co-occur. Incorporation of taxonomic and phylogenetic evidence indicates that this pattern is not driven by local origins of asexuals. Our evidence that patterns of local co-occurrence are structured by reproductive interference suggests an underappreciated role for these interactions in community assembly, and highlights the need for explicit tests of the relative contributions of ecological and reproductive interactions in generating patterns of limiting similarity. PMID- 29212721 TI - Inter-annual variation in seed production has increased over time (1900-2014). AB - Mast seeding, or masting, is the highly variable and spatially synchronous production of seeds by a population of plants. The production of variable seed crops is typically correlated with weather, so it is of considerable interest whether global climate change has altered the variability of masting or the size of masting events. We compiled 1086 datasets of plant seed production spanning 1900-2014 and from around the world, and then analysed whether the coefficient of variation (CV) in seed set, a measure of masting, increased over time. Over this 115-year period, seed set became more variable for plants as a whole and for the particularly well-studied taxa of conifers and oaks. The increase in CV corresponded with a decrease in the long-term mean of seed set of plant species. Seed set CV increased to a greater degree in plant taxa with a tendency towards masting. Seed set is becoming more variable among years, especially for plant taxa whose masting events are known to affect animal populations. Such subtle change in reproduction can have wide-ranging effects on ecosystems because seed crops provide critical resources for a wide range of taxa and have cascading effects throughout food webs. PMID- 29212722 TI - First satellite tracks of South Atlantic sea turtle 'lost years': seasonal variation in trans-equatorial movement. AB - In the South Atlantic Ocean, few data exist regarding the dispersal of young oceanic sea turtles. We characterized the movements of laboratory-reared yearling loggerhead turtles from Brazilian rookeries using novel telemetry techniques, testing for differences in dispersal during different periods of the sea turtle hatching season that correspond to seasonal changes in ocean currents. Oceanographic drifters deployed alongside satellite-tagged turtles allowed us to explore the mechanisms of dispersal (passive drift or active swimming). Early in the hatching season turtles transited south with strong southward currents. Late in the hatching season, when currents flowed in the opposite direction, turtles uniformly moved northwards across the Equator. However, the movement of individuals differed from what was predicted by surface currents alone. Swimming velocity inferred from track data and an ocean circulation model strongly suggest that turtles' swimming plays a role in maintaining their position within frontal zones seaward of the continental shelf. The long nesting season of adults and behaviour of post-hatchlings exposes young turtles to seasonally varying ocean conditions that lead some individuals further into the South Atlantic and others into the Northern Hemisphere. Such migratory route diversity may ultimately buffer the population against environmental changes or anthropologic threats, fostering population resiliency. PMID- 29212723 TI - Intraspecific and interspecific variation in thermotolerance and photoacclimation in Symbiodinium dinoflagellates. AB - Light and temperature are major drivers in the ecology and biogeography of symbiotic dinoflagellates living in corals and other cnidarians. We examined variations in physiology among 11 strains comprising five species of clade A Symbiodinium We grew cultures at 26 degrees C (control) and 32 degrees C (high temperature) over a duration of 18 days while measuring growth and photochemical efficiency (Fv /Fm ). Responses to thermal stress ranged from susceptible to tolerant across species and strains. Most strains exhibited a decrease in cell densities and Fv /Fm when grown at 32 degrees C. Tolerance to high temperature (T32) was calculated for all strains, ranging from 0 (unable to survive at high temperature) to 1 (able survive at high temperature). There was substantial variation in thermotolerance across species and among strains. One strain had a T32 close to 1, indicating that growth was not reduced at 32 degrees C for only this one strain. To evaluate the combined effect of temperature and light on physiological stress, we selected three strains with different levels of thermotolerance (tolerant, intermediate and susceptible) and grew them under five different light intensities (65, 80, 100, 240 and 443 umol quanta m-2 s-1) at 26 and 32 degrees C. High irradiance exacerbated the effect of high temperature, particularly in strains from thermally sensitive species. This work further supports the recognition that broad physiological differences exist not only among species within Symbiodinium clades, but also among strains within species demonstrating that thermotolerance varies widely between species and among strains within species. PMID- 29212724 TI - Major histocompatibility complex-linked social signalling affects female fertility. AB - Genes of the major histocompatibility complex (MHC) have been shown to influence social signalling and mate preferences in many species, including humans. First observations suggest that MHC signalling may also affect female fertility. To test this hypothesis, we exposed 191 female horses (Equus caballus) to either an MHC-similar or an MHC-dissimilar stimulus male around the time of ovulation and conception. A within-subject experimental design controlled for non-MHC-linked male characteristics, and instrumental insemination with semen of other males (n = 106) controlled for potential confounding effects of semen or embryo characteristics. We found that females were more likely to become pregnant if exposed to an MHC-dissimilar than to an MHC-similar male, while overall genetic distance to the stimulus males (based on microsatellite markers on 20 chromosomes) had no effect. Our results demonstrate that early pregnancy failures can be due to maternal life-history decisions (cryptic female choice) influenced by MHC-linked social signalling. PMID- 29212725 TI - The functional syndrome: linking individual trait variability to ecosystem functioning. AB - Phenotypic variability is increasingly assessed through functional response and effect traits, which provide a mechanistic framework for investigating how an organism responds to varying ecological factors and how these responses affect ecosystem functioning. Covariation between response and effect traits has been poorly examined at the intraspecific level, thus hampering progress in understanding how phenotypic variability alters the role of organisms in ecosystems. Using a multi-trait approach and a nine-month longitudinal monitoring of individual red-swamp crayfish (Procambarus clarkii), we demonstrated that most of the measured response and effect traits were partially stable during the ontogeny of individuals. Suites of response and effect traits were associated with a response syndrome and an effect syndrome, respectively, which were correlated to form a functional syndrome. Using a bioenergetic model, we predicted that differences in the response syndrome composition of hypothetical populations had important ecological effects on a key ecosystem process (i.e. whole-lake litter decomposition) to a level similar to those induced by doubling population size. Demonstrating the existence of a functional syndrome is likely to improve our understanding of the ecological impacts of phenotypic variation among individuals in wild populations across levels of biological organization, and the linkage between ecosystem and evolutionary ecology. PMID- 29212726 TI - Rapid evolution rescues hosts from competition and disease but-despite a dilution effect-increases the density of infected hosts. AB - Virulent parasites can depress the densities of their hosts. Taxa that reduce disease via dilution effects might alleviate this burden. However, 'diluter' taxa can also depress host densities through competition for shared resources. The combination of disease and interspecific competition could even drive hosts extinct. Then again, genetically variable host populations can evolve in response to both competitors and parasites. Can rapid evolution rescue host density from the harm caused by these ecological enemies? How might such evolution influence dilution effects or the size of epidemics? In a mesocosm experiment with planktonic hosts, we illustrate the joint harm of competition and disease: hosts with constrained evolutionary ability (limited phenotypic variation) suffered greatly from both. However, populations starting with broader phenotypic variation evolved stronger competitive ability during epidemics. In turn, enhanced competitive ability-driven especially by parasites-rescued host densities from the negative impacts of competition, disease, and especially their combination. Interspecific competitors reduced disease (supporting dilution effects) even when hosts rapidly evolved. However, this evolutionary response also elicited a potential problem. Populations that evolved enhanced competitive ability and maintained robust total densities also supported higher densities of infections. Thus, rapid evolution rescued host densities but also unleashed larger epidemics. PMID- 29212727 TI - Deep pelagic food web structure as revealed by in situ feeding observations. AB - Food web linkages, or the feeding relationships between species inhabiting a shared ecosystem, are an ecological lens through which ecosystem structure and function can be assessed, and thus are fundamental to informing sustainable resource management. Empirical feeding datasets have traditionally been painstakingly generated from stomach content analysis, direct observations and from biochemical trophic markers (stable isotopes, fatty acids, molecular tools). Each approach carries inherent biases and limitations, as well as advantages. Here, using 27 years (1991-2016) of in situ feeding observations collected by remotely operated vehicles (ROVs), we quantitatively characterize the deep pelagic food web of central California within the California Current, complementing existing studies of diet and trophic interactions with a unique perspective. Seven hundred and forty-three independent feeding events were observed with ROVs from near-surface waters down to depths approaching 4000 m, involving an assemblage of 84 different predators and 82 different prey types, for a total of 242 unique feeding relationships. The greatest diversity of prey was consumed by narcomedusae, followed by physonect siphonophores, ctenophores and cephalopods. We highlight key interactions within the poorly understood 'jelly web', showing the importance of medusae, ctenophores and siphonophores as key predators, whose ecological significance is comparable to large fish and squid species within the central California deep pelagic food web. Gelatinous predators are often thought to comprise relatively inefficient trophic pathways within marine communities, but we build upon previous findings to document their substantial and integral roles in deep pelagic food webs. PMID- 29212728 TI - Coral calcification mechanisms facilitate adaptive responses to ocean acidification. AB - Ocean acidification (OA) is a pressing threat to reef-building corals, but it remains poorly understood how coral calcification is inhibited by OA and whether corals could acclimatize and/or adapt to OA. Using a novel geochemical approach, we reconstructed the carbonate chemistry of the calcifying fluid in two coral species using both a pH and dissolved inorganic carbon (DIC) proxy (delta11B and B/Ca, respectively). To address the potential for adaptive responses, both species were collected from two sites spanning a natural gradient in seawater pH and temperature, and then subjected to three pHT levels (8.04, 7.88, 7.71) crossed by two temperatures (control, +1.5 degrees C) for 14 weeks. Corals from the site with naturally lower seawater pH calcified faster and maintained growth better under simulated OA than corals from the higher-pH site. This ability was consistently linked to higher pH yet lower DIC values in the calcifying fluid, suggesting that these differences are the result of long-term acclimatization and/or local adaptation to naturally lower seawater pH. Nevertheless, all corals elevated both pH and DIC significantly over seawater values, even under OA. This implies that high pH upregulation combined with moderate levels of DIC upregulation promote resistance and adaptive responses of coral calcification to OA. PMID- 29212729 TI - Condition-dependent female preference for male genitalia length is based on male reproductive tactics. AB - There is extensive morphological variation of male genitalia across animals with internal fertilization, even among closely related species. Most studies attempting to explain this extraordinary diversity have focused on processes that occur post-copula (e.g. sperm competition, cryptic female choice). Only a few studies have focused on the pre-copula process of female preference. In addition, the extent to which this variation could be associated with the use of different reproductive tactics has yet to be explored. Here, we show that female preference for male genitalia length in two livebearing fishes depends on the type of reproductive tactic of the males being evaluated as well as the body condition of the female. In a species where all males coax females to acquire matings (courters), females preferred males with short genitalia. In a species with genetically influenced alternative reproductive tactics (courter males that only court and produce courter sons, sneaker males that use the coercive tactic of sneak chase and produce sneaker sons), female preference depended on an interaction between male tactic and female condition: females in good condition preferred courter males with short genitalia, and sneaker males with long genitalia. Our results suggest that female preference for male traits favourable to their sons may be an important factor contributing to the diversification of male genitalia. Despite the contrasting selection for genitalia length that our female preference tests suggest, we found no significant differences in genitalia length between coaxing (courters) and coercive (sneakers) males. Our study represents a starting point to more clearly understand the role of alternative reproductive tactics and variation in female mate preference in the evolution of male genitalia. PMID- 29212730 TI - Hierarchical social networks shape gut microbial composition in wild Verreaux's sifaka. AB - In wild primates, social behaviour influences exposure to environmentally acquired and directly transmitted microorganisms. Prior studies indicate that gut microbiota reflect pairwise social interactions among chimpanzee and baboon hosts. Here, we demonstrate that higher-order social network structure-beyond just pairwise interactions-drives gut bacterial composition in wild lemurs, which live in smaller and more cohesive groups than previously studied anthropoid species. Using 16S rRNA gene sequencing and social network analysis of grooming contacts, we estimate the relative impacts of hierarchical (i.e. multilevel) social structure, individual demographic traits, diet, scent-marking, and habitat overlap on bacteria acquisition in a wild population of Verreaux's sifaka (Propithecus verreauxi) consisting of seven social groups. We show that social group membership is clearly reflected in the microbiomes of individual sifaka, and that social groups with denser grooming networks have more homogeneous gut microbial compositions. Within social groups, adults, more gregarious individuals, and individuals that scent-mark frequently harbour the greatest microbial diversity. Thus, the community structure of wild lemurs governs symbiotic relationships by constraining transmission between hosts and partitioning environmental exposure to microorganisms. This social cultivation of mutualistic gut flora may be an evolutionary benefit of tight-knit group living. PMID- 29212731 TI - Clinical Activity of Pazopanib in Patients with Advanced Desmoplastic Small Round Cell Tumor. AB - BACKGROUND: Desmoplastic small round cell tumor (DSRCT) is an aggressive, often fatal soft tissue sarcoma that lacks an optimal salvage regimen. We retrospectively reviewed data from 29 pretreated DSRCT patients who received pazopanib at MD Anderson Cancer Center after failure of standard chemotherapies. SUBJECTS, MATERIALS, AND METHODS: Medical records of patients treated from January 2012 to December 2016 were reviewed and regression analyses were performed. Median progression-free survival (PFS) and overall survival (OS) were estimated using the Kaplan-Meier method and differences in survival were assessed by a log-rank test. A landmark statistical analysis was used to assess OS at a predefined 12-week time point following pazopanib initiation. RESULTS: The mean age at pazopanib treatment was 27.5 years (range, 6.3-50.1 years). According to RECIST 1.1 criteria, 16 patients (55%) had stable disease, 1 patient (3%) had partial response, 1 patient (3%) had complete response, and 11 patients (38%) had progressive disease. Estimated median PFS was 5.63 months (95% confidence interval [CI]: 3.23-7.47). Median OS was 15.7 months (95% CI: 10.3-32.4). As of December 2016, 11 patients (38%) were still alive, with a median follow-up time of 16.8 (range 3.8-30.1) months. Doses between 400 and 800 mg were included. Pazopanib was well tolerated and 23 (79%) of the patients continued it until progression or death, 4 discontinued because of side effects, and 2 were still on pazopanib at the time of data analysis. CONCLUSION: In the largest study conducted to date in DSRCT, pazopanib was well tolerated and clinically active in heavily pretreated patients who otherwise lack good treatment options. IMPLICATIONS FOR PRACTICE: Desmoplastic small round cell tumor (DSRCT) is a rare, extremely aggressive soft tissue sarcoma subtype that most commonly occurs in adolescent and young adult males. No DSRCT-specific therapies exist, and for lack of a better treatment approach, current therapies have relied upon U.S. Food and Drug Administration-approved drugs like pazopanib that exhibit clinical activity in other sarcoma subtypes. This article describes the largest experience to date using pazopanib as salvage treatment in heavily pretreated DSRCT patients. Pazopanib was well tolerated and clinically active, surpassing predefined metrics proposed by the European Organization for Research and Treatment of Cancer indicative of "active" sarcoma drugs (5.63 months progression-free survival [PSF], with 62% of the study population achieving progression-free survival at 12 weeks). PMID- 29212732 TI - The Role of Rituximab in Chronic Lymphocytic Leukemia Treatment and the Potential Utility of Biosimilars. AB - : Chronic lymphocytic leukemia (CLL) is managed with observation for asymptomatic or clinically silent disease; pharmacologic intervention is generally required for symptomatic patients with clinically significant adenopathy or cytopenia. In the front-line treatment of CLL, the current standard-of-care includes chemotherapy in combination with an anti-CD20 monoclonal antibody (e.g., rituximab, ofatumumab, or obinutuzumab) or ibrutinib as single agent. Despite the evolving treatment paradigm toward targeted therapy, it is likely that rituximab (plus chemotherapy), with or without targeted agents, will retain a significant role in CLL treatment. However, patents for many biologics, including rituximab, have expired or will expire in the near future. Furthermore, access to rituximab has remained challenging, particularly in countries with restricted resources. Together, these concerns have prompted the development of safe and effective rituximab biosimilars. The term "biosimilar" refers to a biologic that is highly similar to an approved reference (originator) product, notwithstanding minor differences in clinically inactive components, and for which there are no clinically meaningful differences in purity, potency, or safety. Biosimilars are developed to treat the same condition(s) using the same treatment regimens as an approved reference biologic and have the potential to increase access to more affordable treatments. We review the importance of rituximab in the current treatment of CLL, the scientific basis of its future role in combination with chemotherapy, and the role of new and emerging agents in the treatment of CLL, which could potentially be used in combination with rituximab biosimilars. We also discuss rituximab biosimilars currently in development. IMPLICATIONS FOR PRACTICE: Front-line treatments for chronic lymphocytic leukemia (CLL) include chemotherapy in combination with an anti-CD20 monoclonal antibody (e.g., rituximab, ofatumumab, or obinutuzumab) or ibrutinib as single agent. Despite the evolving treatment paradigm, it is likely rituximab (plus chemotherapy) and targeted agents undergoing clinical evaluation will retain a significant role in CLL treatment. However, patents for many biologics, including rituximab, have expired or will expire in the near future and, in many regions, access to rituximab remains challenging. Together, these concerns have prompted the development of safe and effective rituximab biosimilars, with the potential to increase access to more affordable treatments. PMID- 29212733 TI - Successful Ovarian Stimulation for Fertility Preservation in a Patient with Chronic Myeloid Leukemia: Switch from Nilotinib to Interferon-alpha. AB - The development of tyrosine-kinase inhibitors (TKIs) has improved survival of patients with chronic myeloid leukemia (CML). Some patients may become resistant to TKIs and require hematopoietic stem cell transplant (HSCT) that is highly gonadotoxic. Fertility preservation with ovarian stimulation might be indicated but is challenging if patients need to remain on TKIs until HSCT because TKIs may compromise follicular development and response to ovarian stimulation. We report the case of a patient with CML resistant to TKI and planned for an HSCT, in which treatment by TKI was replaced by interferon-alpha before and during ovarian stimulation for fertility preservation. Successful ovarian stimulation was performed, allowing cryopreservation of nine zygotes. Hematopoietic stem cell transplantation was performed, and at present, 3 years later, the patient presents a sustained major molecular response. PMID- 29212734 TI - Predictors of Response and Survival in Locally Advanced Adenocarcinoma of the Pancreas Following Neoadjuvant GTX with or Without Radiation Therapy. AB - LESSONS LEARNED: There is no presenting parameter that predicts the success of neoadjuvant therapy for pancreatic cancer.Despite the images on scans following neoadjuvant therapy, all patients should be evaluated, because inflammation following radiation therapy (RT) may overstate the extent of tumor and vascular involvement. BACKGROUND: In patients presenting with locally advanced pancreatic adenocarcinoma deemed unresectable by two pancreatic cancer surgeons, we analyzed presenting tumor size, extent of vascular involvement, tumor markers, response to neoadjuvant gemcitabine (G), docetaxel (T), and capecitabine (X) with or without additional chemoradiotherapy with GX on R0 resection rates (>=2 mm margins), and survival. METHODS: All patients had baseline magnetic resonance imaging (MRI) and/or computed tomography (CT) scans and endoscopic ultrasound. A baseline positron emission tomography-computed tomography (PET-CT) was performed in 39 patients. The scans were reviewed by two radiologists.GTX (gemcitabine 750 mg/m2 and docetaxel 30 mg/m2 on days 4 and 11 with capecitabine 1,500 mg/m2 days 1-14) was administered on a 3-week schedule for 6 cycles to patients with both arterial and venous-only involvement. Patients in the arterial arm received GX/RT before surgery, and those in the venous arm received GX/RT after R1 resection. Standard dose RT was delivered by intensity-modulated radiation therapy (IMRT) or conformal fields to 5040 cGy along with capecitabine for 5 days and gemcitabine on day 5 of weeks 1, 2, 4, and 5 of RT, starting with the first full week of RT.A cancer antigen test 19-9 (CA 19-9) was obtained at baseline and days 4 and 11 of each cycle. The rate of change in CA 19-9 was calculated using the formula: (Log10 CA 19-9 time 0) - (Log10 CA 19-9 at 9 weeks)/9 weeks. This was derived based on the observation that the fall in CA 19-9 following effective chemotherapy is a second-order function. RESULTS: Of the 34 patients with arterial involvement and 11 with extensive venous involvement who met the eligibility criteria and began GTX, only 5 patients in the arterial arm did not undergo subsequent resection. The remaining 40 patients were included in this analysis of presenting parameters with respect to R0 resection, disease-free survival (DFS), and overall survival (OS). R0 resection was achieved in 28 of 40 patients (70%), and R1 resection in the remaining 12 (30%). The OS after R0 resection was a median 37 months (95% confidence interval [CI]: 29.3-44.7) compared with 29 months (95% CI: 28.5-41.5) for those with R1 resection.Excluding four postoperative deaths, median DFS for the 25 (71%) with R0 resection was 31 months (95% CI: 11.3-51.1), and the median DFS for R1 resection was only 14 months (95% CI: 11.1-17). Eleven of the twenty-eight (39%) patients achieving R0 resection have not relapsed (median = 45 months, range = 25-71 months). CONCLUSION: R0 resection, the goal of neoadjuvant treatment, can be achieved in 70% of patients presenting with locally advanced pancreatic cancer. The median DFS was 31 months (95% CI: 11. 3-51.1). No relationship was found with tumor size, degree of vascular involvement, carcinoembryonic antigen test (CEA), CA 19 9, degree of tumor regression on scan, fall in CA 19-9, or SUV on PET scan and subsequent survival. PMID- 29212735 TI - Decision-Making Capacity for Chemotherapy and Associated Factors in Newly Diagnosed Patients with Lung Cancer. AB - BACKGROUND: The objective of this study was to assess decision-making capacity in patients newly diagnosed with lung cancer, clinical factors associated with impaired capacity, and physicians' perceptions of patients' decision-making capacity. MATERIALS AND METHODS: We recruited 122 patients newly diagnosed with lung cancer. One hundred fourteen completed the assessment. All patients were receiving a combination of treatments (e.g., chemotherapy, chemo-radiotherapy, or targeted therapy). Decision-making capacity was assessed using the MacArthur Competence Tool for Treatment. Cognitive impairment, depressive symptoms, and frailty were also evaluated. Physicians' perceptions were compared with the ascertainments. RESULTS: Twenty-seven (24%, 95% confidence interval [CI], 16-31) patients were judged to have incapacity. Clinical teams had difficulty in judging six (22.2%) patients for incapacity. Logistic regression identified frailty (odds ratio, 3.51; 95% CI, 1.13-10.8) and cognitive impairment (odds ratio, 5.45; 95% CI, 1.26-23.6) as the factors associated with decision-making incapacity. Brain metastasis, emphysema, and depression were not associated with decision-making incapacity. CONCLUSION: A substantial proportion of patients diagnosed with lung cancer show impairments in their capacity to make a medical decision. Assessment of cognitive impairment and frailty may provide appropriate decision-making frameworks to act in the best interest of patients. IMPLICATIONS FOR PRACTICE: Decision-making capacity is the cornerstone of clinical practice. A substantial proportion of patients with cancer show impairments in their capacity to make a medical decision. Assessment of cognitive impairment and frailty may provide appropriate decision-making frameworks to act in the best interest of patients. PMID- 29212736 TI - Arsenic Exposure in Relation to Ischemic Stroke: The Reasons for Geographic and Racial Differences in Stroke Study. AB - BACKGROUND AND PURPOSE: The purpose of this case-cohort study was to examine urinary arsenic levels in relation to incident ischemic stroke in the United States. METHODS: We performed a case-cohort study nested within the REGARDS (REasons for Geographic and Racial Differences in Stroke) cohort. A subcohort (n=2486) of controls was randomly sampled within region-race-sex strata while all incident ischemic stroke cases from the full REGARDS cohort (n=671) were included. Baseline urinary arsenic was measured by inductively coupled plasma mass spectrometry. Arsenic species, including urinary inorganic arsenic and its metabolites monomethylarsonic acid and dimethylarsinic acid, were measured in a random subset (n=199). Weighted Cox's proportional hazards models were used to calculate hazard ratios and 95% confidence intervals of ischemic stroke by arsenic and its species. RESULTS: The average follow-up was 6.7 years. Although incident ischemic stroke showed no association with total arsenic or total inorganic arsenic, for each unit higher level of urinary monomethylarsonic acid on a log-scale, after adjustment for potential confounders, ischemic stroke risk increased ~2-fold (hazard ratio=1.98; 95% confidence interval: 1.12-3.50). Effect modification by age, race, sex, or geographic region was not evident. CONCLUSIONS: A metabolite of arsenic was positively associated with incident ischemic stroke in this case-cohort study of the US general population, a low-to moderate exposure area. Overall, these findings suggest a potential role for arsenic methylation in the pathogenesis of stroke, having important implications for future cerebrovascular research. PMID- 29212738 TI - Stroke Incidence by Major Pathological Type and Ischemic Subtypes in the Auckland Regional Community Stroke Studies: Changes Between 2002 and 2011. AB - BACKGROUND AND PURPOSE: Major pathological stroke types (ischemic stroke [IS], primary intracerebral hemorrhage [ICH], and subarachnoid hemorrhage) and IS subtypes, have differing risk factors, management, and prognosis. We report changes in major stroke types and IS subtypes incidence during 10 years using data from the ARCOS (Auckland Regional Community Stroke Study) III performed during 12 months in 2002 to 2003 and the fourth ARCOS study (ARCOS-IV) performed in 2011 to 2012. METHODS: ARCOS-III and ARCOS-IV were population-based registers of all new strokes in the greater Auckland region (population aged >15 years, 1 119 192). Strokes were classified into major pathological types (IS, ICH, subarachnoid hemorrhage, and undetermined type). Crude annual age-, sex-, and ethnic-specific stroke incidence with 95% confidence intervals was calculated. ISs were subclassified using TOAST (Trial of ORG 10172 in Acute Stroke Treatment) criteria into 5 etiologic groups. Rate ratios with 95% confidence intervals were calculated for differences in age-standardized rates between the 2 studies. RESULTS: In ARCOS-IV, there were 1329 (81%) ISs, 211 (13%) ICHs, 79 (5%) subarachnoid hemorrhages, and 24 (1%) undetermined type strokes. The proportional distribution of IS subtypes was 29% cardioembolism, 21% small-vessel occlusion, 15% large-artery atherosclerosis, 5% other determined etiology, and 31% undetermined type. Between 2002 and 2011, age-standardized incidence decreased for subarachnoid hemorrhage (rate ratios, 0.73; 95% confidence intervals, 0.54 0.99) and undetermined type (rate ratios, 0.14; 95% confidence intervals, 0.09 0.22). Rates were stable for IS and ICH. Among IS subtypes, large-artery atherosclerosis and small-vessel occlusion rates increased significantly. The frequency of all risk factors increased in IS. Ethnic differences were observed for both stroke subtype rates and their risk factor frequencies. CONCLUSIONS: A lack of change in IS and ICH incidence may reflect a trend toward increased incidence of younger strokes. Increased rates of large-artery atherosclerosis and small-vessel occlusion are associated with increased smoking and high blood pressure. Ethnic differences in the proportional distribution of pathological stroke subtypes suggest differential exposure and susceptibility to risk factors. PMID- 29212737 TI - Astrocytic Lrp4 (Low-Density Lipoprotein Receptor-Related Protein 4) Contributes to Ischemia-Induced Brain Injury by Regulating ATP Release and Adenosine-A2AR (Adenosine A2A Receptor) Signaling. AB - BACKGROUND AND PURPOSE: Lrp4 (low-density lipoprotein receptor-related protein 4) is predominantly expressed in astrocytes, where it regulates glutamatergic neurotransmission by suppressing ATP release. Here, we investigated Lrp4's function in ischemia/stroke-induced brain injury response, which includes glutamate-induced neuronal death and reactive astrogliosis. METHODS: The brain specific Lrp4 conditional knockout mice (Lrp4GFAP-Cre), astrocytic-specific Lrp4 conditional knockout mice (Lrp4GFAP-creER), and their control mice (Lrp4f/f) were subjected to photothrombotic ischemia and the transient middle cerebral artery occlusion. After ischemia/stroke, mice or their brain samples were subjected to behavior tests, brain histology, immunofluorescence staining, Western blot, and quantitative real-time polymerase chain reaction. In addition, primary astrocytes and neurons were cocultured with or without oxygen and glucose deprivation and in the presence or absence of the antagonist for adenosine-A2AR (adenosine A2A receptor) or ATP-P2X7R (P2X purinoceptor 7) signaling. Gliotransmitters, such as glutamate, d-serine, ATP, and adenosine, in the condition medium of cultured astrocytes were also measured. RESULTS: Lrp4, largely expressed in astrocytes, was increased in response to ischemia/stroke. Both Lrp4GFAP-Cre and Lrp4GFAP creER mice showed less brain injury, including reduced neuronal death, and impaired reactive astrogliosis. Mechanistically, Lrp4 conditional knockout in astrocytes increased ATP release and the production of ATP derivative, adenosine, which were further elevated by oxygen and glucose deprivation. Pharmacological inhibition of ATP-P2X7R or adenosine-A2AR signaling diminished Lrp4GFAP-creER's protective effect. CONCLUSIONS: The astrocytic Lrp4 plays an important role in ischemic brain injury response. Lrp4 deficiency in astrocytes seems to be protective in response to ischemic brain injury, likely because of the increased ATP release and adenosine-A2AR signaling. PMID- 29212739 TI - Response by Michel and Eskioglou to Letter Regarding Article, "Ischemic Amnesia: Causes and Outcome". PMID- 29212741 TI - Letter by Mugikura and Takahashi Regarding Article, "Ischemic Amnesia: Causes and Outcome". PMID- 29212740 TI - IL-23 (Interleukin-23)-Producing Conventional Dendritic Cells Control the Detrimental IL-17 (Interleukin-17) Response in Stroke. AB - BACKGROUND AND PURPOSE: Inflammatory mechanisms can exacerbate ischemic tissue damage and worsen clinical outcome in patients with stroke. Both alphabeta and gammadelta T cells are established mediators of tissue damage in stroke, and the role of dendritic cells (DCs) in inducing the early events of T cell activation and differentiation in stroke is not well understood. METHODS: In a murine model of experimental stroke, we defined the immune phenotype of infiltrating DC subsets based on flow cytometry of surface markers, the expression of ontogenetic markers, and cytokine levels. We used conditional DC depletion, bone marrow chimeric mice, and IL-23 (interleukin-23) receptor-deficient mice to further explore the functional role of DCs. RESULTS: We show that the ischemic brain was rapidly infiltrated by IRF4+/CD172a+ conventional type 2 DCs and that conventional type 2 DCs were the most abundant subset in comparison with all other DC subsets. Twenty-four hours after ischemia onset, conventional type 2 DCs became the major source of IL-23, promoting neutrophil infiltration by induction of IL-17 (interleukin-17) in gammadelta T cells. Functionally, the depletion of CD11c+ cells or the genetic disruption of the IL-23 signaling abrogated both IL 17 production in gammadelta T cells and neutrophil infiltration. Interruption of the IL-23/IL-17 cascade decreased infarct size and improved neurological outcome after stroke. CONCLUSIONS: Our results suggest a central role for interferon regulatory factor 4-positive IL-23-producing conventional DCs in the IL-17 dependent secondary tissue damage in stroke. PMID- 29212742 TI - Getting the First Grant. PMID- 29212743 TI - Successful Reperfusion With Intravenous Thrombolysis Preceding Mechanical Thrombectomy in Large-Vessel Occlusions. AB - BACKGROUND AND PURPOSE: Although current guidelines advocate pretreatment with intravenous thrombolysis (IVT) in all eligible patients with acute ischemic stroke with large-vessel occlusion before mechanical thrombectomy, there are observational data questioning the efficacy of this approach. One of the main arguments in favor of IVT pretreatment is the potential for tissue-type plasminogen activator-induced successful reperfusion (SR) before the onset of endovascular procedure. METHODS: We performed a systematic review and meta analysis of randomized controlled clinical trials and observational cohorts providing rates of SR with IVT in patients with large-vessel occlusion before the initiation of mechanical thrombectomy. We also performed subgroup analyses according to study type (randomized controlled clinical trials versus observational) and according to the inclusion per protocol of patients with tandem (intracranial/extracranial) occlusions. RESULTS: We identified 13 eligible studies (7 randomized controlled clinical trials and 6 observational cohorts), including 1561 patients with acute ischemic stroke (median National Institutes of Health Stroke Scale score, 17) with large-vessel occlusion. SR following IVT and before mechanical thrombectomy was documented in 11% (95% confidence interval, 7% 16%), with no difference among cohorts derived from randomized controlled clinical trials and observational studies. There was significant heterogeneity across included studies both in the overall analysis and among subgroups (I2>84%; P for Cochran Q, <0.001). Higher tissue-type plasminogen activator-induced SR rates were documented in studies reporting the exclusion of tandem occlusions (17%; 95% confidence interval, 11%-23%) compared with the rest (7%; 95% confidence interval, 4%-11%; P for subgroup differences, 0.003). CONCLUSIONS: Pretreatment with systemic thrombolysis in patients with large-vessel occlusion eligible for mechanical thrombectomy results in SR in 1 of 10 cases, negating the need for additional endovascular reperfusion. Tandem occlusions seem to be the least responsive to IVT pretreatment. PMID- 29212744 TI - Selective NLRP3 (Pyrin Domain-Containing Protein 3) Inflammasome Inhibitor Reduces Brain Injury After Intracerebral Hemorrhage. AB - BACKGROUND AND PURPOSE: Intracerebral hemorrhage (ICH) is a devastating disease without effective treatment. As a key component of the innate immune system, the NOD-like receptor (NLR) family, NLRP3 (pyrin domain-containing protein 3) inflammasome, when activated after ICH, promotes neuroinflammation and brain edema. MCC950 is a potent, selective, small-molecule NLRP3 inhibitor that blocks NLRP3 activation at nanomolar concentrations. Here, we examined the effect of MCC950 on brain injury and inflammation in 2 models of ICH in mice. METHODS: In mice with ICH induced by injection of autologous blood or bacterial collagenase, we determined the therapeutic potential of MCC950 and its mechanisms of neuroprotection. RESULTS: MCC950 reduced IL-1beta (interleukin-1beta) production and attenuated neurodeficits and perihematomal brain edema after ICH induction by injection of either autologous blood or collagenase. In mice with autologous blood-induced ICH, the protection of MCC950 was associated with reduced leukocyte infiltration into the brain and microglial production of IL-6. MCC950 improved blood-brain barrier integrity and diminished cell death. Notably, the protective effect of MCC950 was abolished in mice depleted of either microglia or Gr-1+ myeloid cells. CONCLUSIONS: These results indicate that the NLRP3 inflammasome inhibitor, MCC950, attenuates brain injury and inflammation after ICH. Hence, NLRP3 inflammasome inhibition is a potential therapy for ICH that warrants further investigation. PMID- 29212745 TI - Factors Associated With Focal Computed Tomographic Perfusion Abnormalities in Supratentorial Transient Ischemic Attacks. AB - BACKGROUND AND PURPOSE: Computed tomographic perfusion (CTP) is useful in diagnosis of patients with transient focal neurological symptoms. In acute imaging of patients with a suspected transient ischemic attack (TIA), it remains unclear which patients develop focal perfusion abnormalities (FPA), that is, hypoperfusion or hyperperfusion. We aimed at determining independent factors associated with FPA in patients with supratentorial TIAs. METHODS: We prospectively collected consecutive patients with supratentorial TIAs defined by the traditional time-based definition who underwent CTP within 24 hours of symptom onset. We recorded demographics, risk factors, clinical features, severity, and timing from onset. We documented the Age, Blood Pressure, Clinical Features, Duration, and Diabetes (ABCD2) scores, vascular territories, and presence of relevant arterial pathology. Variables were tested for an association with FPA with univariate and multivariate analyses. RESULTS: A hundred and ten of 265 patients (42%) with supratentorial TIAs had FPA on CTP. Acute noncontrast computed tomography showed early ischemic lesions in 6%, and acute/subacute magnetic resonance imaging was pathological in 52 of the 109 cases (47.7%) where it was performed. Clinical factors associated with FPA were high-admission National Institutes of Health Stroke Scale (odds ratio [OR], 1.22), right hemispheric TIA (OR, 3.09), and cardioembolic mechanism (OR, 2.19). Persistence of symptoms during CTP (OR, 2.59), shorter duration of TIA (OR, 0.93), major intracranial arterial pathology (OR, 12.5), and extracranial arterial occlusion (OR, 7.44) were also associated with FPA. CONCLUSIONS: Supratentorial TIAs are often associated with FPA in CTP, even after symptom resolution. FPAs are frequent in severe TIAs and those associated with cardioembolism or specific arterial pathologies. These findings can help clinicians in accurate diagnosis of TIA and its underlying mechanisms. PMID- 29212746 TI - New Data Support Patent Foramen Ovale Closure After Stroke. PMID- 29212747 TI - Primary Thrombectomy in tPA (Tissue-Type Plasminogen Activator) Eligible Stroke Patients With Proximal Intracranial Occlusions. PMID- 29212749 TI - Treating hummingbirds as feathered bees: a case of ethological cross-pollination. AB - Hummingbirds feed from hundreds of flowers every day. The properties of these flowers provide these birds with a wealth of information about colour, space and time to guide how they forage. To understand how hummingbirds might use this information, researchers have adapted established laboratory paradigms for use in the field. In recent years, however, experimental inspiration has come less from other birds, and more from looking at other nectar-feeders, particularly honeybees and bumblebees, which have been models for foraging behaviour and cognition for over a century. In a world in which the cognitive abilities of bees regularly make the news, research on the influence of ecology and sensory systems on bee behaviour is leading to novel insights in hummingbird cognition. As methods designed to study insects in the laboratory are being applied to hummingbirds in the field, converging methods can help us identify and understand convergence in cognition, behaviour and ecology. PMID- 29212751 TI - Heterothermy is associated with reduced fitness in wild rabbits. AB - An increase in variation in the 24 h pattern of body temperature (heterothermy) in mammals can be induced by energy and water deficits. Since performance traits such as growth and reproduction also are impacted by energy and water balance, we investigated whether the characteristics of the body temperature rhythm provide an indication of the reproductive success of an individual. We show that the amplitude of the daily rhythm of body temperature in wild rabbits (Oryctolagus cuniculus) prior to breeding is inversely related to the number of pregnancies in the subsequent seven months, while the minimum daily body temperature is positively correlated to the number of pregnancies. Because reproductive output could be predicted from characteristics of the core body temperature rhythm prior to the breeding season, we propose that the pattern of the 24 h body temperature rhythm could provide an index of animal fitness in a given environment. PMID- 29212750 TI - Does oxidative stress shorten telomeres in vivo? A review. AB - The length of telomeres, the protective caps of chromosomes, is increasingly used as a biomarker of individual health state because it has been shown to predict chances of survival in a range of endothermic species including humans. Oxidative stress is presumed to be a major cause of telomere shortening, but most evidence to date comes from in vitro cultured cells. The importance of oxidative stress as a determinant of telomere shortening in vivo remains less clear and has recently been questioned. We, therefore, reviewed correlative and experimental studies investigating the links between oxidative stress and telomere shortening in vivo While correlative studies provide equivocal support for a connection between oxidative stress and telomere attrition (10 of 18 studies), most experimental studies published so far (seven of eight studies) partially or fully support this hypothesis. Yet, this link seems to be tissue-dependent in some cases, or restricted to particular categories of individual (e.g. sex-dependent) in other cases. More experimental studies, especially those decreasing antioxidant protection or increasing pro-oxidant generation, are required to further our understanding of the importance of oxidative stress in determining telomere length in vivo Studies comparing growing versus adult individuals, or proliferative versus non-proliferative tissues would provide particularly important insights. PMID- 29212752 TI - Freezer on, lights off! Environmental effects on activity rhythms of fish in the Arctic. AB - Polar regions are characterized by acute seasonal changes in the environment, with organisms inhabiting these regions lacking diel photoperiodic information for parts of the year. We present, to our knowledge, the first high-resolution analysis of diel and seasonal activity of free-living fishes in polar waters (74 degrees N), subject to extreme variation in photoperiod, temperature and food availability. Using biotelemetry, we tracked two sympatric ecomorphs of lake dwelling Arctic charr (Salvelinus alpinus n = 23) over an annual cycle. Charr activity rhythms reflected the above-surface photoperiod (including under ice), with diel rhythms of activity observed. During the dark winter solstice period, charr activity became arrhythmic and much reduced, even though estimated light levels were within those at which charr can feed. When twilight resumed, charr activity ensued as diel vertical migration, which continued throughout spring and with increasing day length, despite stable water temperatures. Diel activity rhythms ceased during the polar day, with a sharp increase in arrhythmic fish activity occurring at ice-break. Despite contrasting resource use, circannual rhythms were mirrored in the two ecomorphs, although individual variability in activity rhythms was evident. Our data support conclusions of functionally adaptive periods of arrhythmicity in polar animals, suggesting maintenance of a circannual oscillator for scheduling seasonal behavioural and developmental processes. PMID- 29212753 TI - Water vascular system architecture in an Ordovician ophiuroid. AB - Understanding the water vascular system (WVS) in early fossil echinoderms is critical to elucidating the evolution of this system in extant forms. Here we present the first report of the internal morphology of the water vascular system of a stem ophiuroid. The radial canals are internal to the arm, but protected dorsally by a plate separate to the ambulacrals. The canals zig-zag with no evidence of constrictions, corresponding to sphincters, which control pairs of tube feet in extant ophiuroids. The morphology suggests that the unpaired tube feet must have operated individually, and relied on the elasticity of the radial canals, lateral valves and tube foot musculature alone for extension and retraction. This arrangement differs radically from that in extant ophiuroids, revealing a previously unknown Palaeozoic configuration. PMID- 29212754 TI - Graph-facilitated resonant mode counting in stochastic interaction networks. AB - Oscillations in dynamical systems are widely reported in multiple branches of applied mathematics. Critically, even a non-oscillatory deterministic system can produce cyclic trajectories when it is in a low copy number, stochastic regime. Common methods of finding parameter ranges for stochastically driven resonances, such as direct calculation, are cumbersome for any but the smallest networks. In this paper, we provide a systematic framework to efficiently determine the number of resonant modes and parameter ranges for stochastic oscillations relying on real root counting algorithms and graph theoretic methods. We argue that stochastic resonance is a network property by showing that resonant modes only depend on the squared Jacobian matrix J2, unlike deterministic oscillations which are determined by J By using graph theoretic tools, analysis of stochastic behaviour for larger interaction networks is simplified and stochastic dynamical systems with multiple resonant modes can be identified easily. PMID- 29212755 TI - Model-based image analysis of a tethered Brownian fibre for shear stress sensing. AB - The measurement of fluid dynamic shear stress acting on a biologically relevant surface is a challenging problem, particularly in the complex environment of, for example, the vasculature. While an experimental method for the direct detection of wall shear stress via the imaging of a synthetic biology nanorod has recently been developed, the data interpretation so far has been limited to phenomenological random walk modelling, small-angle approximation, and image analysis techniques which do not take into account the production of an image from a three-dimensional subject. In this report, we develop a mathematical and statistical framework to estimate shear stress from rapid imaging sequences based firstly on stochastic modelling of the dynamics of a tethered Brownian fibre in shear flow, and secondly on a novel model-based image analysis, which reconstructs fibre positions by solving the inverse problem of image formation. This framework is tested on experimental data, providing the first mechanistically rational analysis of the novel assay. What follows further develops the established theory for an untethered particle in a semi-dilute suspension, which is of relevance to, for example, the study of Brownian nanowires without flow, and presents new ideas in the field of multi-disciplinary image analysis. PMID- 29212757 TI - The tactile perception of transient changes in friction. AB - When we touch an object or explore a texture, frictional strains are induced by the tactile interactions with the surface of the object. Little is known about how these interactions are perceived, although it becomes crucial for the nascent industry of interactive displays with haptic feedback (e.g. smartphones and tablets) where tactile feedback based on friction modulation is particularly relevant. To investigate the human perception of frictional strains, we mounted a high-fidelity friction modulating ultrasonic device on a robotic platform performing controlled rubbing of the fingertip and asked participants to detect induced decreases of friction during a forced-choice task. The ability to perceive the changes in friction was found to follow Weber's Law of just noticeable differences, as it consistently depended on the ratio between the reduction in tangential force and the pre-stimulation tangential force. The Weber fraction was 0.11 in all conditions demonstrating a very high sensitivity to transient changes in friction. Humid fingers experienced less friction reduction than drier ones for the same intensity of ultrasonic vibration but the Weber fraction for detecting changes in friction was not influenced by the humidity of the skin. PMID- 29212756 TI - The interaction between electromagnetic fields at megahertz, gigahertz and terahertz frequencies with cells, tissues and organisms: risks and potential. AB - Since regular radio broadcasts started in the 1920s, the exposure to human-made electromagnetic fields has steadily increased. These days we are not only exposed to radio waves but also other frequencies from a variety of sources, mainly from communication and security devices. Considering that nearly all biological systems interact with electromagnetic fields, understanding the affects is essential for safety and technological progress. This paper systematically reviews the role and effects of static and pulsed radio frequencies (100-109 Hz), millimetre waves (MMWs) or gigahertz (109-1011 Hz), and terahertz (1011-1013 Hz) on various biomolecules, cells and tissues. Electromagnetic fields have been shown to affect the activity in cell membranes (sodium versus potassium ion conductivities) and non-selective channels, transmembrane potentials and even the cell cycle. Particular attention is given to millimetre and terahertz radiation due to their increasing utilization and, hence, increasing human exposure. MMWs are known to alter active transport across cell membranes, and it has been reported that terahertz radiation may interfere with DNA and cause genomic instabilities. These and other phenomena are discussed along with the discrepancies and controversies from published studies. PMID- 29212758 TI - Membrane capacitance of thousands of single white blood cells. AB - As label-free biomarkers, the electrical properties of single cells are widely used for cell type classification and cellular status evaluation. However, as intrinsic cellular electrical markers, previously reported membrane capacitances (e.g. specific membrane capacitance Cspec and total membrane capacitance Cmem) of white blood cells were derived from tens of single cells, lacking statistical significance due to low cell numbers. In this study, white blood cells were first separated into granulocytes and lymphocytes by density gradient centrifugation and were then aspirated through a microfluidic constriction channel to characterize both Cspec and Cmem Thousands of granulocytes (ncell = 3327) and lymphocytes (ncell = 3302) from 10 healthy blood donors were characterized, resulting in Cspec values of 1.95 +/- 0.22 uF cm-2 versus 2.39 +/- 0.39 uF cm-2 and Cmem values of 6.81 +/- 1.09 pF versus 4.63 +/- 0.57 pF. Statistically significant differences between granulocytes and lymphocytes were located for both Cspec and Cmem In addition, neural network-based pattern recognition was used to classify white blood cells, producing successful classification rates of 78.1% for Cspec and 91.3% for Cmem, respectively. These results indicate that as intrinsic bioelectrical markers, membrane capacitances may contribute to the classification of white blood cells. PMID- 29212759 TI - Navigating features: a topologically informed chart of electromyographic features space. AB - The success of biological signal pattern recognition depends crucially on the selection of relevant features. Across signal and imaging modalities, a large number of features have been proposed, leading to feature redundancy and the need for optimal feature set identification. A further complication is that, due to the inherent biological variability, even the same classification problem on different datasets can display variations in the respective optimal sets, casting doubts on the generalizability of relevant features. Here, we approach this problem by leveraging topological tools to create charts of features spaces. These charts highlight feature sub-groups that encode similar information (and their respective similarities) allowing for a principled and interpretable choice of features for classification and analysis. Using multiple electromyographic (EMG) datasets as a case study, we use this feature chart to identify functional groups among 58 state-of-the-art EMG features, and to show that they generalize across three different forearm EMG datasets obtained from able-bodied subjects during hand and finger contractions. We find that these groups describe meaningful non-redundant information, succinctly recapitulating information about different regions of feature space. We then recommend representative features from each group based on maximum class separability, robustness and minimum complexity. PMID- 29212760 TI - Large-scale molecular dynamics simulation of coupled dynamics of flow and glycocalyx: towards understanding atomic events on an endothelial cell surface. AB - The glycocalyx has a prominent role in orchestrating multiple biological processes occurring at the plasma membrane. In this paper, an all-atom flow/glycocalyx system is constructed with the bulk flow velocity in the physiologically relevant ranges for the first time. The system is simulated by molecular dynamics using 5.8 million atoms. Flow dynamics and statistics in the presence of the glycocalyx are presented and discussed. Complex dynamic behaviours of the glycocalyx, particularly the sugar chains, are observed in response to blood flow. In turn, the motion of the glycocalyx, including swing and swirling, disturbs the flow by altering the velocity profiles and modifying the vorticity distributions. As a result, the initially one-dimensional forcing is spread to all directions in the region near the endothelial cell surface. Furthermore, the coupled dynamics exist not only between the flow and the glycocalyx but also within the glycocalyx molecular constituents. Shear stress distributions between one-dimer and three-dimer cases are also conducted. Finally, potential force transmission pathways are discussed based on the dynamics of the glycocalyx constituents, which provides new insight into the mechanism of mechanotransduction of the glycocalyx. These findings have relevance in the pathologies of glycocalyx-related diseases, for example in renal or cardiovascular conditions. PMID- 29212761 TI - Care UK tells GPs about private options for non-NHS funded procedures. PMID- 29212762 TI - It is merely subjective opinion that patient-reported outcome measures are not objective tools. PMID- 29212763 TI - Perinatal pathologists have a vital role in stillbirth review. PMID- 29212764 TI - Aberrant DNA methylation of pregnane X receptor underlies metabolic gene alterations in the diabetic kidney. AB - Epigenetic abnormalities have been suggested to mediate metabolic memory observed in diabetic complications. We have shown that epigenetic alterations may induce persistent phenotypic changes in the proximal tubules of the diabetic kidneys. In this study, we show that pregnane X receptor (PXR), a xenobiotic nuclear receptor, is epigenetically altered and upregulated and may have a possible function in the diabetic kidney. PXR has been shown to play a critical role in metabolic changes in obesity and diabetes; however, its distribution and function in the kidney are unknown. In the normal kidney, Pxr was selectively expressed in the proximal tubular cells with demethylation in the promoter DNA. In db/db mice, significant increases in Pxr mRNA, further demethylation of DNA, and stimulatory histone marks in the promoter were observed. Epigenetic changes are likely to play a causative role in PXR induction, since a DNA methyltransferase inhibitor increased PXR mRNA in cultured human proximal tubular cells. Administration of a PXR agonist increased mRNA levels of solute carrier organic anion transporter family member 2B1 ( Slco2b1), a xenobiotic transporter; response gene to complement 32 ( Rgc32), a molecule known to exert fibrotic effects in the kidney; and phosphoenolpyruvate carboxykinase 1 ( Pck1), a gluconeogenic enzyme in the kidney. The expressions of these genes were inhibited by PXR small interfering RNA in cultured proximal tubular cells. Increased mRNA levels of Slco2b1, Rgc32, and Pck1 were also observed in the kidney of db/db mice. These data indicate that PXR is upregulated in the diabetic kidney with aberrant epigenetic modifications and may modulate the course of diabetic kidney disease through the activation of these genes. PMID- 29212765 TI - Changes in the fluid volume balance between intra- and extracellular water in a sample of Japanese adults aged 15-88 yr old: a cross-sectional study. AB - The fluid volume balance between intracellular water (ICW) and extracellular water (ECW) gradually changes with age and various medical conditions. Comprehension of these physiological changes would aid in clinical decision making related to body fluid assessments. A total of 1,992 individuals (753 men and 1,239 women) aged >=15 yr included in this study had their body composition measurements performed at training gyms in 2014. We developed a regression formula to assess the association of age with the ratio of ECW to ICW in these subjects. The mean ages of male and female subjects were 51.2 +/- 15.2 and 57.4 +/- 15.2 yr, and their mean body mass indexes were 23.4 +/- 3.3 and 21.1 +/- 2.8 kg/m2, respectively. The total fluid volumes of male and female subjects were 39.6 +/- 4.9 and 27.7 +/- 3.0 liters, whereas the percent body fat mass per kilogram of body weight were 19 and 26%, respectively. The ECW-to-ICW ratio increased with age because of the steeper decrease in the ICW content than in the ECW content, especially after the age of 70 yr. The regression formulas used for calculating the age-adjusted ECW/ICW ratio were as follows: 0.5857 + 7.4334 * 10 6 * (age)2 in men and 0.6062 + 5.5775 * 10-6 * (age)2 in women. In conclusion, the fluid imbalance between ICW and ECW contents is driven by decreased cell volume associated with aging and muscle attenuation. Therefore, our proposed formula may serve as a useful assessment tool for the calculation of body fluid composition. PMID- 29212766 TI - Bright spots, physical activity investments that work: Active Everyday, Sheffield's physical activity service for all people living with and beyond cancer. PMID- 29212767 TI - Passifloraceae seeds from the late Eocene of Colombia. AB - PREMISE OF THE STUDY: The plant fossil record for the neotropics is still sparse and temporally discontinuous. The location and description of new fossil material are fundamental for understanding evolutionary and biogeographic patterns of lineages. A new fossil record of Passifloraceae from the late Eocene of Colombia is described in this study. METHODS: Plant fossils were collected from a new locality from the Eocene Esmeraldas Formation. Eighteen fossil seeds were selected, described, and compared with fossil and extant angiosperm seeds based on the literature and herbarium collections. Taxonomic affinities of the fossil seeds within Passifloraceae s.l. were evaluated by comparing morphological characters of the seeds in a phylogenetic context. Stratigraphic information associated with the fossil locality was used to interpret the environment and taphonomic processes associated with fossil deposition. KEY RESULTS: A new seed fossil genus and species, Passifloroidesperma sogamosense gen. and sp. nov., is described and associated with the subfamily Passifloroideae based on the presence of a foveolate seed surface, ruminate endosperm, and a seed coat with prismatic palisade cells. The depositional environment of the locality is described as a floodplain associated with river channels. CONCLUSIONS: A detailed review of the Passifloraceae fossil record indicates that P. sogamosense is the oldest confirmed record of Passifloraceae. Its late Eocene age provides a minimum age that can be used as a calibration point for the crown Passifloroideae node in future dating analyses that together with its neotropical geographic location can shed light on the origin and diversification of the subfamily. PMID- 29212768 TI - Evolutionary history of two pollen self-incompatibility factors reveals alternate routes to self-compatibility within Solanum. AB - PREMISE OF THE STUDY: Self-incompatibility (SI) prevents self-fertilization and reduces inbreeding. While SI is common in plants, transitions to self compatibility (SC) occur frequently. Little is known about the genetic changes and evolutionary steps underlying these shifts. METHODS: In the Solanaceae, SI is gametophytic, with specificity determined by S-RNases in the pistil and S-locus F box proteins (SLFs) in pollen. We examined the role of two pollen factors, Cullin1 (CUL1) and SLF-23, in SI -> SC transitions in wild tomato species from the Arcanum species group (Solanum arcanum, S. neorickii, and S. chmielewskii). Pollen compatibility was assessed on tester lines that reject pollen lacking functional SLF-23 or CUL1. Complementation tests, gene sequencing, and phylogenetic analyses were used to characterize both functional and nonfunctional alleles. KEY RESULTS: We found evidence for multiple independent SI -> SC transitions. In S. arcanum and S. chmielewskii, SC is caused by loss of pistil S RNase activity, while in S. neorickii SC is associated with expression of a functional SLF-23 that recognizes the S9 type S-RNase expressed in its pistils. Interestingly, we found identical deletion mutations in CUL1 exon 7 of S. chmielewskii as previously seen in S. habrochaites. CONCLUSIONS: Mating system transitions in the Arcanum group have occurred via both pistil loss-of-function and pollen gain-of-function SC mutations. Mutations common to S. chmielewskii and S. habrochaites must have arisen in a common ancestor, possibly to the entire tomato clade, then became fixed in different lineages after loss of pistil-side SI function. PMID- 29212769 TI - Functional and structural characterization of a novel malignant hyperthermia susceptible variant of DHPR-beta1a subunit (CACNB1). AB - Malignant hyperthermia (MH) susceptibility has been recently linked to a novel variant of beta1a subunit of the dihydropyridine receptor (DHPR), a channel essential for Ca2+ regulation in skeletal muscle. Here we evaluate the effect of the mutant variant V156A on the structure/function of DHPR beta1a subunit and assess its role on Ca2+ metabolism of cultured myotubes. Using differential scanning fluorimetry, we show that mutation V156A causes a significant reduction in thermal stability of the Src homology 3/guanylate kinase core domain of beta1a subunit. Expression of the variant subunit in beta1-null mouse myotubes resulted in increased sensitivity to caffeine stimulation. Whole cell patch-clamp analysis of beta1a-V156A-expressing myotubes revealed a -2 mV shift in voltage dependence of channel activation, but no changes in Ca2+ conductance, current kinetics, or sarcoplasmic reticulum Ca2+ load were observed. Measurement of resting free Ca2+ and Na+ concentrations shows that both cations were significantly elevated in beta1a-V156A-expressing myotubes and that these changes were linked to increased rates of plasmalemmal Ca2+ entry through Na+/Ca2+ exchanger and/or transient receptor potential canonical channels. Overall, our data show that mutant variant V156A results in instability of protein subdomains of beta1a subunit leading to a phenotype of Ca2+ dysregulation that partly resembles that of other MH-linked mutations of DHPR alpha1S subunit. These data prove that homozygous expression of variant beta1a-V156A has the potential to be a pathological variant, although it may require other gene defects to cause a full MH phenotype. PMID- 29212770 TI - Breast cancer screening. PMID- 29212771 TI - Establishment of a surgical bile duct injection technique giving direct access to the bile ducts for studies of the murine biliary tree. AB - Cholangiopathies are progressive disorders with largely unknown pathoetiology and limited treatment options. We aimed to develop a novel surgical technique with direct access to the bile ducts that would complement existing mouse models of cholestasis, biliary inflammation, and fibrosis and present a new route of administration for testing of potential treatment strategies. We developed a surgical technique to access the murine biliary tree by injection of different solvents through catheterization of the gall bladder with simultaneous clamping of the common bile duct. To demonstrate the applicability of the technique, we injected either phosphate-buffered saline or dimethyl sulfoxide in concentrations of 50 or 65% and compared these groups with sham-operated mice. The surgery was optimized to achieve a mortality rate close to 0. There were no significant changes in pain, activity level, or mortality from the day of the surgery until euthanization for any groups. Injection of phosphate-buffered saline or 50% dimethyl sulfoxide was generally well-tolerated, whereas 65% dimethyl sulfoxide led to higher weight loss, an increase of serum alanine transaminase, and histological portal inflammation. There were no signs of inflammation in the gut. We have developed a bile duct injection technique that is well-tolerated, easily reproducible, and that may complement existing models of cholangiopathies. Direct access to the bile ducts without causing harm to the hepatobiliary or intestinal tissue may be valuable in future studies of normal biliary physiology and different pathophysiological mechanisms of disease and to test novel therapeutic strategies. NEW & NOTEWORTHY To evaluate tolerability of the bile duct to injection of both polar and nonpolar compounds, we established a novel biliary injection technique. This technique is well-tolerated, easily reproducible, and with direct access to the bile ducts for studies of the murine biliary tree. The bile duct injection technique may complement existing animal models and be a valuable tool in future studies of normal biliary physiology or pathophysiology and to test novel therapeutic strategies. PMID- 29212773 TI - Opioids are not just an American problem. PMID- 29212774 TI - Government must create foundation training places for 1500 new medical students, says BMA. PMID- 29212772 TI - Modifiable pathways in Alzheimer's disease: Mendelian randomisation analysis. AB - OBJECTIVE: To determine which potentially modifiable risk factors, including socioeconomic, lifestyle/dietary, cardiometabolic, and inflammatory factors, are associated with Alzheimer's disease. DESIGN: Mendelian randomisation study using genetic variants associated with the modifiable risk factors as instrumental variables. SETTING: International Genomics of Alzheimer's Project. PARTICIPANTS: 17 008 cases of Alzheimer's disease and 37 154 controls. MAIN OUTCOME MEASURES: Odds ratio of Alzheimer's per genetically predicted increase in each modifiable risk factor estimated with Mendelian randomisation analysis. RESULTS: This study included analyses of 24 potentially modifiable risk factors. A Bonferroni corrected threshold of P=0.002 was considered to be significant, and P<0.05 was considered suggestive of evidence for a potential association. Genetically predicted educational attainment was significantly associated with Alzheimer's. The odds ratios were 0.89 (95% confidence interval 0.84 to 0.93; P=2.4*10-6) per year of education completed and 0.74 (0.63 to 0.86; P=8.0*10-5) per unit increase in log odds of having completed college/university. The correlated trait intelligence had a suggestive association with Alzheimer's (per genetically predicted 1 SD higher intelligence: 0.73, 0.57 to 0.93; P=0.01). There was suggestive evidence for potential associations between genetically predicted higher quantity of smoking (per 10 cigarettes a day: 0.69, 0.49 to 0.99; P=0.04) and 25-hydroxyvitamin D concentrations (per 20% higher levels: 0.92, 0.85 to 0.98; P=0.01) and lower odds of Alzheimer's and between higher coffee consumption (per one cup a day: 1.26, 1.05 to 1.51; P=0.01) and higher odds of Alzheimer's. Genetically predicted alcohol consumption, serum folate, serum vitamin B12, homocysteine, cardiometabolic factors, and C reactive protein were not associated with Alzheimer's disease. CONCLUSION: These results provide support that higher educational attainment is associated with a reduced risk of Alzheimer's disease. PMID- 29212775 TI - A centenary of health campaigns. PMID- 29212776 TI - Plans to boost cancer workforce are "scratching the surface," says radiology leader. PMID- 29212777 TI - Detection and monitoring of circulating tumor DNA in adrenocortical carcinoma. PMID- 29212778 TI - Identification of 64 Novel Genetic Loci Provides an Expanded View on the Genetic Architecture of Coronary Artery Disease. AB - RATIONALE: Coronary artery disease (CAD) is a complex phenotype driven by genetic and environmental factors. Ninety-seven genetic risk loci have been identified to date, but the identification of additional susceptibility loci might be important to enhance our understanding of the genetic architecture of CAD. OBJECTIVE: To expand the number of genome-wide significant loci, catalog functional insights, and enhance our understanding of the genetic architecture of CAD. METHODS AND RESULTS: We performed a genome-wide association study in 34 541 CAD cases and 261 984 controls of UK Biobank resource followed by replication in 88 192 cases and 162 544 controls from CARDIoGRAMplusC4D. We identified 75 loci that replicated and were genome-wide significant (P<5*10-8) in meta-analysis, 13 of which had not been reported previously. Next, to further identify novel loci, we identified all promising (P<0.0001) loci in the CARDIoGRAMplusC4D data and performed reciprocal replication and meta-analyses with UK Biobank. This led to the identification of 21 additional novel loci reaching genome-wide significance (P<5*10-8) in meta analysis. Finally, we performed a genome-wide meta-analysis of all available data revealing 30 additional novel loci (P<5*10-8) without further replication. The increase in sample size by UK Biobank raised the number of reconstituted gene sets from 4.2% to 13.9% of all gene sets to be involved in CAD. For the 64 novel loci, 155 candidate causal genes were prioritized, many without an obvious connection to CAD. Fine mapping of the 161 CAD loci generated lists of credible sets of single causal variants and genes for functional follow-up. Genetic risk variants of CAD were linked to development of atrial fibrillation, heart failure, and death. CONCLUSIONS: We identified 64 novel genetic risk loci for CAD and performed fine mapping of all 161 risk loci to obtain a credible set of causal variants. The large expansion of reconstituted gene sets argues in favor of an expanded omnigenic model view on the genetic architecture of CAD. PMID- 29212779 TI - Longitudinal Analysis of Genetic Susceptibility and BMI Throughout Adult Life. AB - Little is known about the genetic influence on BMI trajectory throughout adulthood. We created a genetic risk score (GRS) comprising 97 adult BMI associated variants among 9,971 women and 6,405 men of European ancestry. Serial measures of BMI were assessed from 18 (women) or 21 (men) years to 85 years of age. We also examined BMI change in early (from 18 or 21 to 45 years of age), middle (from 45 to 65 years of age), and late adulthood (from 65 to 80 years of age). GRS was positively associated with BMI across all ages, with stronger associations in women than in men. The associations increased from early to middle adulthood, peaked at 45 years of age in men and at 60 years of age in women (0.91 and 1.35 kg/m2 per 10-allele increment, respectively) and subsequently declined in late adulthood. For women, each 10-allele increment in the GRS was associated with an average BMI gain of 0.54 kg/m2 in early adulthood, whereas no statistically significant association was found for BMI change in middle or late adulthood or for BMI change in any life period in men. Our findings indicate that genetic predisposition exerts a persistent effect on adiposity throughout adult life and increases early adulthood weight gain in women. PMID- 29212780 TI - Excitatory GABAergic Action and Increased Vasopressin Synthesis in Hypothalamic Magnocellular Neurosecretory Cells Underlie the High Plasma Level of Vasopressin in Diabetic Rats. AB - Diabetes mellitus (DM) is associated with increased plasma levels of arginine vasopressin (AVP), which may aggravate hyperglycemia and nephropathy. However, the mechanisms by which DM may cause the increased AVP levels are not known. Electrophysiological recordings in supraoptic nucleus (SON) slices from streptozotocin (STZ)-induced DM rats and vehicle-treated control rats revealed that gamma-aminobutyric acid (GABA) functions generally as an excitatory neurotransmitter in the AVP neurons of STZ rats, whereas it usually evokes inhibitory responses in the cells of control animals. Furthermore, Western blotting analyses of Cl- transporters in the SON tissues indicated that Na+-K+ 2Cl- cotransporter isotype 1 (a Cl- importer) was upregulated and K+-Cl- cotransporter isotype 2 (KCC2; a Cl- extruder) was downregulated in STZ rats. Treatment with CLP290 (a KCC2 activator) significantly lowered blood AVP and glucose levels in STZ rats. Last, investigation that used rats expressing an AVP enhanced green fluorescent protein fusion gene showed that AVP synthesis in AVP neurons was much more intense in STZ rats than in control rats. We conclude that altered Cl- homeostasis that makes GABA excitatory and enhanced AVP synthesis are important changes in AVP neurons that would increase AVP secretion in DM. Our data suggest that Cl- transporters in AVP neurons are potential targets of antidiabetes treatments. PMID- 29212781 TI - Analysis of Drug Development Paradigms for Immune Checkpoint Inhibitors. AB - Immune checkpoint inhibitors have unique toxicities and response kinetics compared with cytotoxic and gene-targeted anticancer agents. We investigated the impact of innovative/accelerated immunotherapy drug development/approval models on the accuracy of safety and efficacy assessments by searching the FDA website. Initial phase I trials for each agent were reviewed and safety and efficacy data compared with that found in later trials leading to regulatory approvals of the same agents. As of June 2017, the FDA approved six checkpoint inhibitors for a variety of cancer types. All checkpoint inhibitors received a priority review status and access to at least two additional FDA special access programs, more often breakthrough therapy designation and accelerated approval. Median clinical development time (investigational new drug application to approval) was 60.77 months [avelumab had the shortest timeline (52.33 months)]. Response rates during early phase I trials (median = 16%) are higher than for phase I trials of other agents (with the exception of gene-targeted agents tested with a biomarker). Doses approved were usually not identical to doses recommended on phase I trials. Approximately 50% of types of immune-related and 43% of types of clinically relevant toxicities from later trials were identified in early-phase trials. Even so, treatment-related mortality remains exceedingly low in later studies (0.33% of patients). In conclusion, efficacy and safety of immune checkpoint inhibitors appear to be reasonably predicted from the dose-finding portion of phase I trials, indicating that the fast-track development of these agents is safe and justified. Clin Cancer Res; 24(8); 1785-94. (c)2017 AACR. PMID- 29212783 TI - Shared care protocols - have they had their day? PMID- 29212782 TI - Trials of transvaginal mesh devices for pelvic organ prolapse: a systematic database review of the US FDA approval process. AB - INTRODUCTION: Transvaginal mesh devices are approved in the USA by the Food and Drug Administration (FDA), through the 510(k) system. However, there is uncertainty about the benefit to harm balance of mesh approved for pelvic organ prolapse. We, therefore, assessed the evidence at the time of approval for transvaginal mesh products and the impact of safety studies the FDA mandated in 2012 because of emerging harms. METHODS: We used FDA databases to determine the evidence for approval of transvaginal mesh. To create a 'family tree' of device equivalence, we used the 510(k) regulatory approval of the 1985 Mersilene Mesh (Ethicon) and the 1996 ProteGen Sling (Boston Scientific), searched for all subsequently related device approvals, and for the first published randomised trial evidence. We assessed compliance with all FDA 522 orders issued in 2012 requiring postmarketing surveillance studies. RESULTS: We found 61 devices whose approval ultimately relied on claimed equivalence to the Mersilene Mesh and the ProteGen Sling. We found no clinical trials evidence for these 61 devices at the time of approval. Publication of randomised clinical trials occurred at a median of 5 years after device approval (range 1-14 years). Analysis of 119 FDA 522 orders revealed that in 79 (66%) the manufacturer ceased market distribution of the device, and in 26 (22%) the manufacturer had changed the indication. Only seven studies (six cohorts and new randomised controlled trial) covering 11 orders were recruiting participants (none had reported outcomes). CONCLUSIONS: Transvaginal mesh products for pelvic organ prolapse have been approved on the basis of weak evidence over the last 20 years. Devices have inherited approval status from a few products. A publicly accessible registry of licensed invasive devices, with details of marketing status and linked evidence, should be created and maintained at the time of approval. PMID- 29212785 TI - Brief history of the specialty of emergency medicine. AB - This is a brief overview of the development of the specialty of Emergency Medicine from small beginnings fifty years ago. It describes how the specialty evolved simultaneously in the UK and the USA and later in Australasia and Europe. PMID- 29212784 TI - An oligoclonal antibody durably overcomes resistance of lung cancer to third generation EGFR inhibitors. AB - Epidermal growth factor receptor (EGFR) mutations identify patients with lung cancer who derive benefit from kinase inhibitors. However, most patients eventually develop resistance, primarily due to the T790M second-site mutation. Irreversible inhibitors (e.g., osimertinib/AZD9291) inhibit T790M-EGFR, but several mechanisms, including a third-site mutation, C797S, confer renewed resistance. We previously reported that a triple mixture of monoclonal antibodies, 3*mAbs, simultaneously targeting EGFR, HER2, and HER3, inhibits T790M expressing tumors. We now report that 3*mAbs, including a triplet containing cetuximab and trastuzumab, inhibits C797S-expressing tumors. Unlike osimertinib, which induces apoptosis, 3*mAbs promotes degradation of the three receptors and induces cellular senescence. Consistent with distinct mechanisms, treatments combining 3*mAbs plus sub-inhibitory doses of osimertinib synergistically and persistently eliminated tumors. Thus, oligoclonal antibodies, either alone or in combination with kinase inhibitors, might preempt repeated cycles of treatment and rapid emergence of resistance. PMID- 29212786 TI - Endoplasmic reticulum stress/autophagy pathway is involved in diabetes-induced neuronal apoptosis and cognitive decline in mice. AB - Diabetes mellitus is a significant global public health problem depicting a rising prevalence worldwide. As a serious complication of diabetes, diabetes associated cognitive decline is attracting increasing attention. However, the underlying mechanisms are yet to be fully determined. Both endoplasmic reticulum (ER) stress and autophagy have been reported to modulate neuronal survival and death and be associated with several neurodegenerative diseases. Here, a streptozotocin-induced diabetic mouse model and primary cultured mouse hippocampal neurons were employed to investigate the possible role of ER stress and autophagy in diabetes-induced neuronal apoptosis and cognitive impairments, and further explore the potential molecular mechanisms. ER stress markers GRP78 and CHOP were both enhanced in diabetic mice, as was phosphorylation of PERK, IRE1alpha, and JNK. In addition, the results indicated an elevated level of autophagy in diabetic mice, as demonstrated by up-regulated expressions of autophagy markers LC3-II, beclin 1 and down-regulated level of p62, and increased formation of autophagic vacuoles and LC3-II aggregates. Meanwhile, we found that these effects could be abolished by ER stress inhibitor 4-phenylbutyrate or JNK inhibitor SP600125 in vitro. Furthermore, neuronal apoptosis of diabetic mice was attenuated by pretreatment with 4-phenylbutyrate, while aggravated by application of inhibitor of autophagy bafilomycin A1 in vitro. These results suggest that ER stress pathway may be involved in diabetes-mediated neurotoxicity and promote the following cognitive impairments. More important, autophagy was induced by diabetes possibly through ER stress-mediated JNK pathway, which may protect neurons against ER stress-associated cell damages. PMID- 29212787 TI - Parent-infant room-sharing is complex and important for breastfeeding. PMID- 29212788 TI - L-methylfolate cannot yet be recommended as an add-on treatment in schizophrenia. PMID- 29212790 TI - The Arp2/3 Regulatory System and Its Deregulation in Cancer. AB - The Arp2/3 complex is an evolutionary conserved molecular machine that generates branched actin networks. When activated, the Arp2/3 complex contributes the actin branched junction and thus cross-links the polymerizing actin filaments in a network that exerts a pushing force. The different activators initiate branched actin networks at the cytosolic surface of different cellular membranes to promote their protrusion, movement, or scission in cell migration and membrane traffic. Here we review the structure, function, and regulation of all the direct regulators of the Arp2/3 complex that induce or inhibit the initiation of a branched actin network and that controls the stability of its branched junctions. Our goal is to present recent findings concerning novel inhibitory proteins or the regulation of the actin branched junction and place these in the context of what was previously known to provide a global overview of how the Arp2/3 complex is regulated in human cells. We focus on the human set of Arp2/3 regulators to compare normal Arp2/3 regulation in untransformed cells to the deregulation of the Arp2/3 system observed in patients affected by various cancers. In many cases, these deregulations promote cancer progression and have a direct impact on patient survival. PMID- 29212791 TI - Perinatal inflammation induces sex-related differences in cardiovascular morbidities in mice. AB - Sex-related differences in cardiovascular health and disease have been identified, with males having a higher incidence of cardiovascular events but females more likely to develop arrhythmias. Adverse fetal environments are now accepted as a cause for the development of cardiovascular diseases in adulthood, but sex-related differences in response to adverse fetal environments have not been extensively explored. The combination of both in utero and postnatal exposure to inflammation is highly relevant for the infant that is born preterm or has clinical complications at birth or in early postnatal life. We have previously observed cardiac contractile deficiencies and dysregulation of Ca2+ handling proteins in our model of maternal lipopolysaccharide (LPS) and neonatal hyperoxia exposures (LPS/O2). This investigation tested the hypothesis that there are sex-related differences in the adult pathologies after exposure to perinatal inflammation. Using pressure-volume assessments, males exposed to LPS/O2 had more pronounced contractile deficiencies than similarly exposed females, but females tended to have long PR intervals. While both sexes demonstrated decreases in alpha-myosin heavy chain and connexin 43 after LPS/O2 exposure compared with saline/room air controls, females indicated aberrant increases in microRNA 208a, microRNA 208b, and desmin expression. Our study supports our hypothesis that early life exposure to inflammation results in sex-dependent deficits in cardiovascular function. NEW & NOTEWORTHY Sex-specific differences in cardiovascular disease are recognized, but the mechanisms and origins are not well understood. Adverse maternal environments can influence cardiac development and later cardiovascular disease. This study identifies sex-dependent differences in cardiac disease associated with perinatal inflammation. PMID- 29212792 TI - Differential effects of alcohol and its metabolite acetaldehyde on vascular smooth muscle cell Notch signaling and growth. AB - Alcohol (EtOH) consumption can variously affect cardiovascular disease. Our aim was to compare the effects of EtOH and its primary metabolite acetaldehyde (ACT) on vascular smooth muscle Notch signaling and cell growth, which are important for atherogenesis. Human coronary artery smooth muscle cells (HCASMCs) were treated with EtOH (25 mM) or ACT (10 or 25 MUM). As previously reported, EtOH inhibited Notch signaling and growth of HCASMCs. In contrast, ACT treatment stimulated HCASMC proliferation (cell counts) and increased proliferating cell nuclear antigen expression, concomitant with stimulation of Notch signaling, as determined by increased Notch receptor (N1 and N3) and target gene (Hairy-related transcription factor 1-3) mRNA levels. Interaction of the ligand with the Notch receptor initiates proteolytic cleavage by alpha- and gamma-secretase, resulting in the release of the active Notch intracellular domain. Neither EtOH nor ACT had any significant effect on alpha-secretase activity. A fluorogenic peptide cleavage assay demonstrated almost complete inhibition by EtOH of Delta-like ligand 4-stimulated gamma-secretase activity in solubilized HCASMCs (similar to the effect of the control inhibitor DAPT) but no effect of ACT treatment. EtOH, but not ACT, affected the association and distribution of the gamma-secretase catalytic subunit presenilin-1 with lipid rafts, as determined by dual fluorescent labeling and confocal microscopic visualization. In conclusion, ACT stimulates vascular smooth muscle cell Notch signaling and growth, effects opposite to those of EtOH. These differential actions on vascular smooth muscle cells of EtOH and its metabolite ACT may be important in mediating the ultimate effects of drinking on cardiovascular disease. NEW & NOTEWORTHY Acetaldehyde stimulates, in a Notch-dependent manner, the vascular smooth muscle cell growth that contributes to atherogenesis; effects opposite to those of ethanol. These data suggest that in addition to ethanol itself, its metabolite acetaldehyde may also mediate some of the effects of alcohol consumption on vascular cells and, thus, cardiovascular health. PMID- 29212793 TI - PACAP-(6-38) or kynurenate microinjections in the RVLM prevent the development of sympathetic long-term facilitation after acute intermittent hypoxia. AB - Intermittent hypoxia causes a persistent increase in sympathetic activity that progresses to hypertension in chronic conditions such as obstructive sleep apnea. Pituitary adenylate cyclase-activating polypeptide (PACAP) is an excitatory neurotransmitter that causes long-lasting sympathetic excitation. We aimed to determine if intermittent activation of the rostral ventrolateral medulla (RVLM) causes PACAP-mediated elevation of sympathetic nerve activity, termed sympathetic long-term facilitation (sLTF). The role of PACAP in mediating sLTF in response to intermittent activation of the RVLM was investigated in urethane-anaesthetized and artificially ventilated rats ( n = 65, Sprague-Dawley). Bilateral RVLM microinjections of the PACAP type 1 receptor/vasoactive intestinal polypeptide receptor type 2 receptor antagonist PACAP-(6-38) [ n = 6, change (Delta): -16.4 +/- 6.5%) or an ionotropic glutamate antagonist, kynurenate ( n = 6, Delta:-7.2 +/- 2.3%), blocked the development of acute intermittent hypoxia-induced sLTF ( n = 6, Delta: 49.2 +/- 14.2%). Intermittent RVLM microinjections of glutamate caused sLTF ( n = 5, Delta: 56.9 +/- 14.7%) that was abolished by PACAP-(6-38) pretreatment ( n = 5, Delta:-1.2 +/- 4.7%). Conversely, intermittent microinjections of PACAP in the RVLM did not elicit sLTF. Intermittent bilateral disinhibition of the RVLM by microinjection of gamma-aminobutyric acid in the caudal ventrolateral medulla did not elicit sLTF. Direct activation of RVLM neurons is crucial for the development of sLTF. PACAP and glutamate act synergistically in the RVLM, with both being necessary for the sLTF response. We found that activation of glutamate but not PACAP receptors is necessary and sufficient to generate sLTF, even in the absence of intermittent hypoxia. Our results demonstrate that PACAP within the RVLM may contribute to the development of obstructive sleep apnea -induced hypertension. NEW & NOTEWORTHY Pharmacological blockade of either pituitary adenylate cyclase-activating polypeptide (PACAP) or ionotropic glutamate receptors in the rostral ventrolateral medulla prevents development of sympathetic long-term facilitation. PACAP receptor inhibition prevents the occurrence of hypoxia-induced peripheral chemoreflex sensitization. Thus, PACAP receptors may be a potential therapeutic target serving to reduce heightened sympathetic tone and hypersensitized cardiovascular reflexes. PMID- 29212794 TI - Ferroptosis: beating on death's door. PMID- 29212796 TI - QTL mapping for microtuber dormancy and GA3 content in a diploid potato population. AB - The genetic control of dormancy is poorly understood in most plant species, but dormancy is a prominent feature for the potato industry. We used the microtuber system, in which tubers were produced in vitro and stored at 20 degrees C, to perform quantitative trait locus (QTL) analysis for dormancy and gibberellic acid (GA3) content in an F1 population consisting of 178 genotypes derived from an interspecific cross between Solanum chacoense acc. PI 320285 (long dormancy) and Solanum phureja acc. DM1-3 516 R44 (short dormancy). In this analysis, 163 markers were used to construct a genetic map with a total length of 591.8 cM. Through QTL analysis, we identified 22 markers closely linked to the timing of dormancy release and GA3 content. The male parent alleles were closely related with long dormancy, with the most significant effect on chromosome I, which accounted for 9.4% of phenotypic variation. The dormancy and GA3 QTLs localized to the same position in the genome, confirming that same genomic region controls GA3 content at different developmental stages or in dormant and sprouting tubers. The identified QTLs may be useful for future breeding strategies and studies of dormancy in potato. PMID- 29212795 TI - Degradation pathway of plant complex-type N-glycans: identification and characterization of a key alpha1,3-fucosidase from glycoside hydrolase family 29. AB - Plant complex-type N-glycans are characterized by the presence of alpha1,3-linked fucose towards the proximal N-acetylglucosamine residue and beta1,2-linked xylose towards the beta-mannose residue. These glycans are ultimately degraded by the activity of several glycoside hydrolases. However, the degradation pathway of plant complex-type N-glycans has not been entirely elucidated because the gene encoding alpha1,3-fucosidase, a glycoside hydrolase acting on plant complex-type N-glycans, has not yet been identified, and its substrate specificity remains to be determined. In the present study, we found that AtFUC1 (an Arabidopsis GH29 alpha-fucosidase) is an alpha1,3-fucosidase acting on plant complex-type N glycans. This fucosidase has been known to act on alpha1,4-fucoside linkage in the Lewis A epitope of plant complex-type N-glycans. We found that this glycoside hydrolase specifically acted on GlcNAcbeta1-4(Fucalpha1-3)GlcNAc, a degradation product of plant complex-type N-glycans, by sequential actions of vacuolar alpha mannosidase, beta1,2-xylosidase, and endo-beta-mannosidase. The AtFUC1-deficient mutant showed no distinct phenotypic plant growth features; however, it accumulated GlcNAcbeta1-4(Fucalpha1-3)GlcNAc, a substrate of AtFUC1. These results showed that AtFUC1 is an alpha1,3-fucosidase acting on plant complex-type N-glycans and elucidated the degradation pathway of plant complex-type N-glycans. PMID- 29212797 TI - In vitro and in vivo differentiation of induced pluripotent stem cells generated from urine-derived cells into cardiomyocytes. AB - Generation of human cardiomyocytes from cells derived from various sources, including skin biopsy, has been made possible by breakthrough advances in stem cell research. However, it is attractive to build up a negligibly invasive way to create induced pluripotent stem (iPS) cells. In this study, we created iPS cells from human urine-derived epithelial cells by gene transduction using lentiviral vectors in a totally noninvasive manner. Then, we induced the differentiation of iPS cells into functional cardiomyocytes both in vitro and in vivo Action potentials were recorded in putative cardiomyocytes and spontaneous beating cells were observed. Our results offered an alternative method to generate cardiomyocytes in a totally noninvasive manner from an easily accessible source. The availability of urine and its potent reprogramming characteristics will provide opportunities for the use of cells with specific genotypes to study the pathogenesis and molecular mechanisms of disease in vitro. PMID- 29212798 TI - The GSK3 kinase inhibitor lithium produces unexpected hyperphosphorylation of beta-catenin, a GSK3 substrate, in human glioblastoma cells. AB - Lithium salt is a classic glycogen synthase kinase 3 (GSK3) inhibitor. Beryllium is a structurally related inhibitor that is more potent but relatively uncharacterized. This study examined the effects of these inhibitors on the phosphorylation of endogenous GSK3 substrates. In NIH-3T3 cells, both salts caused a decrease in phosphorylated glycogen synthase, as expected. GSK3 inhibitors produce enhanced phosphorylation of Ser9 of GSK3beta via a positive feedback mechanism, and both salts elicited this enhancement. Another GSK3 substrate is beta-catenin, which has a central role in Wnt signaling. In A172 human glioblastoma cells, lithium treatment caused a surprising increase in phospho-Ser33/Ser37-beta-catenin, which was quantified using an antibody-coupled capillary electrophoresis method. The beta-catenin hyperphosphorylation was unaffected by p53 RNAi knockdown, indicating that p53 is not involved in the mechanism of this response. Lithium caused a decrease in the abundance of axin, a component of the beta-catenin destruction complex that has a role in coordinating beta-catenin ubiquitination and protein turnover. The axin and phospho-beta catenin results were reproduced in U251 and U87MG glioblastoma cell lines. These observations run contrary to the conventional view of the canonical Wnt signaling pathway, in which a GSK3 inhibitor would be expected to decrease, not increase, phospho-beta-catenin levels.This article has an associated First Person interview with the first author of the paper. PMID- 29212799 TI - LIF-activated Jak signaling determines Esrrb expression during late-stage reprogramming. AB - The regulatory process of naive-state induced pluripotent stem cell (iPSC) generation is not well understood. Leukemia inhibitory factor (LIF)-activated Janus kinase/signal transducer and activator of transcription 3 (Jak/Stat3) is the master regulator for naive-state pluripotency achievement and maintenance. The estrogen-related receptor beta (Esrrb) serves as a naive-state marker gene regulating self-renewal of embryonic stem cells (ESCs). However, the interconnection between Esrrb and LIF signaling for pluripotency establishment in reprogramming is unclear. We screened the marker genes critical for complete reprogramming during mouse iPSC generation, and identified genes including Esrrb that are responsive to LIF/Jak pathway signaling. Overexpression of Esrrb resumes the reprogramming halted by inhibition of Jak activity in partially reprogrammed cells (pre-iPSCs), and leads to the generation of pluripotent iPSCs. We further show that neither overexpression of Nanog nor stimulation of Wnt signaling, two upstream regulators of Esrrb in ESCs, stimulates the expression of Esrrb in reprogramming when LIF or Jak activity is blocked. Our study demonstrates that Esrrb is a specific reprogramming factor regulated downstream of the LIF/Jak signaling pathway. These results shed new light on the regulatory role of LIF pathway on complete pluripotency establishment during iPSC generation. PMID- 29212800 TI - Extracellular retention of PDGF-B directs vascular remodeling in mouse hypoxia induced pulmonary hypertension. AB - Pulmonary hypertension (PH) is a lethal condition, and current vasodilator therapy has limited effect. Antiproliferative strategies targeting platelet derived growth factor (PDGF) receptors, such as imatinib, have generated promising results in animal studies. Imatinib is, however, a nonspecific tyrosine kinase inhibitor and has in clinical studies caused unacceptable adverse events. Further studies are needed on the role of PDGF signaling in PH. Here, mice expressing a variant of PDGF-B with no retention motif ( Pdgfbret/ret), resulting in defective binding to extracellular matrix, were studied. Following 4 wk of hypoxia, right ventricular systolic pressure, right ventricular hypertrophy, and vascular remodeling were examined. Pdgfbret/ret mice did not develop PH, as assessed by hemodynamic parameters. Hypoxia did, however, induce vascular remodeling in Pdgfbret/ret mice; but unlike the situation in controls where the remodeling led to an increased concentric muscularization of arteries, the vascular remodeling in Pdgfbret/ret mice was characterized by a diffuse muscularization, in which cells expressing smooth muscle cell markers were found in the interalveolar septa detached from the normally muscularized intra-acinar vessels. Additionally, fewer NG2-positive perivascular cells were found in Pdgfbret/ret lungs, and mRNA analyses showed significantly increased levels of Il6 following hypoxia, a known promigratory factor for pericytes. No differences in proliferation were detected at 4 wk. This study emphasizes the importance of extracellular matrix-growth factor interactions and adds to previous knowledge of PDGF-B in PH pathobiology. In summary, Pdgfbret/ret mice have unaltered hemodynamic parameters following chronic hypoxia, possibly secondary to a disorganized vascular muscularization. PMID- 29212801 TI - Roles of high-mobility group box 1 and thrombin in murine pulmonary fibrosis and the therapeutic potential of thrombomodulin. AB - Cross talk between inflammation and coagulation plays important roles in acute or subacute progressive pulmonary fibrosis characterized by diffuse alveolar damage. Thrombomodulin is a physiological inhibitor of high-mobility group box 1 (HMGB1), and thrombin and may be effective for this condition. This study investigated the roles of HMGB1 and thrombin in the pathophysiology of bleomycin-induced pulmonary fibrosis and the efficacy of recombinant human soluble thrombomodulin (rhTM). Pulmonary fibrosis was induced in wild-type C57BL/6 mice by intratracheal instillation of bleomycin. We first assessed HMGB1, thrombin, transforming growth factor (TGF)-beta1, and alpha-smooth muscle actin (SMA) levels in bronchoalveolar lavage fluid and lung tissue sections over time. Expression of HMGB1 and thrombin was elevated before that of TGF-beta1 and alpha-SMA and remained high during the fibrotic phase after bleomycin instillation. We next examined whether in vitro stimulation with HMGB1 and thrombin induced expression of TGF-beta1 and alpha-SMA in cultured alveolar macrophages and lung fibroblasts, respectively, by performing quantitative PCR, enzyme-linked immunosorbent assay, Western blot, and immunofluorescence analyses. HMGB1 and thrombin stimulation induced TGF-beta1 production by alveolar macrophages, and thrombin stimulation also induced alpha SMA expression in lung fibroblasts. Finally, we evaluated the effect of rhTM on bleomycin-induced pulmonary fibrosis. Compared with the vehicle control, both early and late-phase administration of rhTM suppressed the fibrotic process. Our results suggest that HMGB1 and thrombin were involved in the pathophysiology of pulmonary fibrosis via production of profibrotic proteins and that rhTM attenuated bleomycin-induced pulmonary fibrosis. rhTM may be a therapeutic option for acute or subacute pulmonary fibrosis. PMID- 29212802 TI - Transcriptional survey of alveolar macrophages in a murine model of chronic granulomatous inflammation reveals common themes with human sarcoidosis. AB - Mohan A, Malur A, McPeek M, Barna BP, Schnapp LM, Thomassen MJ, Gharib SA. Transcriptional survey of alveolar macrophages in a murine model of chronic granulomatous inflammation reveals common themes with human sarcoidosis. Am J Physiol Lung Cell Mol Physiol 314: L617-L625, 2018. First published December 6, 2017; doi: 10.1152/ajplung.00289.2017 . To advance our understanding of the pathobiology of sarcoidosis, we developed a multiwall carbon nanotube (MWCNT) based murine model that shows marked histological and inflammatory signal similarities to this disease. In this study, we compared the alveolar macrophage transcriptional signatures of our animal model with human sarcoidosis to identify overlapping molecular programs. Whole genome microarrays were used to assess gene expression of alveolar macrophages in six MWCNT-exposed and six control animals. The results were compared with the transcriptional profiles of alveolar immune cells in 15 sarcoidosis patients and 12 healthy humans. Rigorous statistical methods were used to identify differentially expressed genes. To better elucidate activated pathways, integrated network and gene set enrichment analysis (GSEA) was performed. We identified over 1,000 differentially expressed between control and MWCNT mice. Gene ontology functional analysis showed overrepresentation of processes primarily involved in immunity and inflammation in MCWNT mice. Applying GSEA to both mouse and human samples revealed upregulation of 92 gene sets in MWCNT mice and 142 gene sets in sarcoidosis patients. Commonly activated pathways in both MWCNT mice and sarcoidosis included adaptive immunity, T-cell signaling, IL-12/IL-17 signaling, and oxidative phosphorylation. Differences in gene set enrichment between MWCNT mice and sarcoidosis patients were also observed. We applied network analysis to differentially expressed genes common between the MWCNT model and sarcoidosis to identify key drivers of disease. In conclusion, an integrated network and transcriptomics approach revealed substantial functional similarities between a murine model and human sarcoidosis particularly with respect to activation of immune-specific pathways. PMID- 29212803 TI - Elastase alters contractility and promotes an inflammatory synthetic phenotype in airway smooth muscle tissues. AB - Neutrophil elastase is secreted by inflammatory cells during airway inflammation and can elicit airway hyperreactivity in vivo. Elastase can degrade multiple components of the extracellular matrix. We hypothesized that elastase might disrupt the connections between airway smooth muscle (ASM) cells and the extracellular matrix and that this might have direct effects on ASM tissue responsiveness and inflammation. The effect of elastase treatment on ASM contractility was assessed in vitro in isolated strips of canine tracheal smooth muscle by stimulation of tissues with cumulatively increasing concentrations of acetylcholine (ACh) and measurement of contractile force. Elastase treatment potentiated contractile responses to ACh at low concentrations but suppressed the maximal contractile force generated by the tissues without affecting the phosphorylation of myosin regulatory light chain (RLC). Elastase also promoted the secretion of eotaxin and the activation of Akt in ASM tissues and decreased expression of smooth muscle myosin heavy chain, consistent with promotion of a synthetic inflammatory phenotype. As the degradation of matrix proteins can alter integrin engagement, we evaluated the effect of elastase on the assembly and activation of integrin-associated adhesion junction complexes in ASM tissues. Elastase led to talin cleavage, reduced talin binding to vinculin, and suppressed activation of the adhesome proteins paxillin, focal adhesion kinase, and vinculin, indicating that elastase causes the disassembly of adhesion junction complexes and the inactivation of adhesome signaling proteins. We conclude that elastase promotes an inflammatory phenotype and increased sensitivity to ACh in ASM tissues by disrupting signaling pathways mediated by integrin-associated adhesion complexes. PMID- 29212804 TI - Myeloproliferative neoplasms: from origins to outcomes. AB - Substantial progress has been made in our understanding of the pathogenetic basis of myeloproliferative neoplasms. The discovery of mutations in JAK2 over a decade ago heralded a new age for patient care as a consequence of improved diagnosis and the development of therapeutic JAK inhibitors. The more recent identification of mutations in calreticulin brought with it a sense of completeness, with most patients with myeloproliferative neoplasm now having a biological basis for their excessive myeloproliferation. We are also beginning to understand the processes that lead to acquisition of somatic mutations and the factors that influence subsequent clonal expansion and emergence of disease. Extended genomic profiling has established a multitude of additional acquired mutations, particularly prevalent in myelofibrosis, where their presence carries prognostic implications. A major goal is to integrate genetic, clinical, and laboratory features to identify patients who share disease biology and clinical outcome, such that therapies, both existing and novel, can be better targeted. PMID- 29212805 TI - When can we stop anticoagulation in patients with cancer-associated thrombosis? AB - The optimal duration of anticoagulation in patients with cancer-associated venous thromboembolism (VTE) is unknown. Without well-designed studies evaluating the efficacy, safety and cost-effectiveness of continuing anticoagulant therapy beyond the acute treatment period of 3 to 6 months, evidence-based recommendations are lacking. Consensus guidelines generally suggest continuing anticoagulation in patients with active cancer or receiving cancer treatment, with periodic reassessment of the risks and benefits. Unfortunately, with very little published data on the epidemiology of cancer-associated VTE beyond the initial 6 months, it is not possible for clinicians and patients to weigh risks and benefits in a quantitatively informed manner. Further research is needed to provide reliable and contemporary estimates on the risk of recurrent VTE off anticoagulation, risk of bleeding on anticoagulation, case fatality or all-cause mortality, and other important consequences of living with cancer-associated VTE. This chapter provides an overview of the published literature on real-world data on anticoagulant therapy use, the risks and risk factors of recurrent VTE and bleeding, and patient preference and values regarding long-term anticoagulation. It will conclude with a pragmatic, experience-informed approach for tailoring anticoagulant therapy in patients with cancer-associated VTE. PMID- 29212789 TI - Pancreatic beta-Cell Electrical Activity and Insulin Secretion: Of Mice and Men. AB - The pancreatic beta-cell plays a key role in glucose homeostasis by secreting insulin, the only hormone capable of lowering the blood glucose concentration. Impaired insulin secretion results in the chronic hyperglycemia that characterizes type 2 diabetes (T2DM), which currently afflicts >450 million people worldwide. The healthy beta-cell acts as a glucose sensor matching its output to the circulating glucose concentration. It does so via metabolically induced changes in electrical activity, which culminate in an increase in the cytoplasmic Ca2+ concentration and initiation of Ca2+-dependent exocytosis of insulin-containing secretory granules. Here, we review recent advances in our understanding of the beta-cell transcriptome, electrical activity, and insulin exocytosis. We highlight salient differences between mouse and human beta-cells, provide models of how the different ion channels contribute to their electrical activity and insulin secretion, and conclude by discussing how these processes become perturbed in T2DM. PMID- 29212806 TI - Syndecan-1 promotes Wnt/beta-catenin signaling in multiple myeloma by presenting Wnts and R-spondins. AB - Multiple myeloma (MM) is characterized by the expansion of malignant plasma cells in the bone marrow (BM). Most MMs display aberrant Wnt/beta-catenin signaling, which drives proliferation; however, they lack oncogenic Wnt pathway mutations, suggesting activation by autocrine Wnt ligands and/or paracrine Wnts from the BM microenvironment. Expression of the heparan sulfate (HS) proteoglycan syndecan-1 is a hallmark of MM. Syndecan-1 is a critical player in the complex reciprocal interaction between MM cells and their BM niche, mediating growth factor/cytokine binding and signaling by its HS chains. Here, by means of CRISPR/Cas9-mediated knockout and doxycycline-inducible short hairpin RNA-mediated knockdown of EXT1, a critical enzyme for HS polymerization, we demonstrate that the HS chains decorating syndecan-1 mediate aberrant Wnt pathway activation in MM. HS-deficient MM cells exhibited strongly decreased autocrine Wnt/beta-catenin pathway activity and reduced Wnt pathway-dependent proliferation. In addition, we demonstrate that Wnts bind to the HS side chains of syndecan-1 and that this binding contributes to paracrine Wnt pathway activation through the Wnt receptor Frizzled (Fzd). Furthermore, in an HS-dependent fashion, syndecan-1 also binds osteoblast produced R-spondin, which represses Fzd degradation by activation of LGR4, an R spondin receptor aberrantly expressed on MM cells. Costimulation with R-spondin and its binding to HS chains decorating syndecan-1 are indispensable for optimal stimulation of Wnt signaling in MM. Taken together, our results identify syndecan 1 as a crucial component of the Wnt signalosome in MM cells, binding Wnts and R spondins to promote aberrant Wnt/beta-catenin signaling and cell growth, and suggest HS and its biosynthetic enzymes as potential targets in the treatment of MM. PMID- 29212807 TI - Independent and interactive effects of incremental heat strain, orthostatic stress, and mild hypohydration on cerebral perfusion. AB - The purpose of this study was to identify the dose-dependent effects of heat strain and orthostasis [via lower body negative pressure (LBNP)], with and without mild hypohydration, on systemic function and cerebral perfusion. Eleven men (means +/- SD: 27 +/- 7 y; body mass 77 +/- 6 kg), resting supine in a water perfused suit, underwent progressive passive heating [0.5 degrees C increments in core temperature (Tc; esophageal to +2.0 degrees C)] while euhydrated (EUH) or hypohydrated (HYPO; 1.5-2% body mass deficit). At each thermal state, mean cerebral artery blood velocity (MCAvmean; transcranial Doppler), partial pressure of end-tidal carbon dioxide ([Formula: see text]), heart rate (HR) and mean arterial blood pressure (MAP; photoplethysmography) were measured continuously during LBNP (0, -15, -30, and -45 mmHg). Four subjects became intolerant before +2.0 degrees C Tc, unrelated to hydration status. Without LBNP, decreases in [Formula: see text] accounted fully for reductions in MCAvmean across all Tc. With LBNP at heat tolerance (+1.5 or +2.0 degrees C), [Formula: see text] accounted for 69 +/- 25% of the change in MCAvmean. The HYPO condition did not affect MCAvmean or any cardiovascular variables during combined LBNP and passive heat stress (all P > 0.13). These findings indicate that hypocapnia accounted fully for the reduction in MCAvmean when passively heat stressed in the absence of LBNP and for two- thirds of the reduction when at heat tolerance combined with LBNP. Furthermore, when elevations in Tc are matched, mild hypohydration does not influence cerebrovascular or cardiovascular responses to LBNP, even when stressed by a combination of hyperthermia and LBNP. PMID- 29212808 TI - Gestational age at time of in utero lipopolysaccharide exposure influences the severity of inflammation-induced diaphragm weakness in lambs. AB - The preterm diaphragm is functionally immature compared with its term counterpart. In utero inflammation further exacerbates preterm diaphragm dysfunction. We hypothesized that preterm lambs are more vulnerable to in utero inflammation-induced diaphragm dysfunction compared with term lambs. Pregnant ewes received intra-amniotic (IA) injections of saline or 10 mg lipopolysaccharide (LPS) 2 or 7 days before delivery at 121 days (preterm) or ~145 days (term) of gestation. Diaphragm contractile function was assessed in vitro. Plasma cytokines, diaphragm myosin heavy chain (MHC) isoforms, and oxidative stress were evaluated. Maximum diaphragm force in preterm control lambs was significantly lower (22%) than in term control lambs ( P < 0.001). Despite similar inflammatory cytokine responses to in utero LPS exposure, diaphragm function in preterm and term lambs was affected differentially. In term lambs, maximum force after a 2-day LPS exposure was significantly lower than in controls (by ~20%, P < 0.05). In preterm lambs, maximum forces after 2-day and 7-day LPS exposures were significantly lower than in controls (by ~30%, P < 0.05). Peak twitch force after LPS exposure was significantly lower in preterm than in controls, but not in term lambs. In term lambs, LPS exposure increased the proportion of MHC-I fibers, increased twitch contraction times, and increased fatigue resistance relative to controls. In preterm diaphragm, the cross sectional area of embryonic MHC fibers was significantly lower after 7-day versus 2-day LPS exposures. We conclude that preterm lambs are more vulnerable to IA LPS induced diaphragm dysfunction than term lambs. In utero inflammation exacerbates diaphragm dysfunction and may increase susceptibility to postnatal respiratory failure. PMID- 29212809 TI - Animal models of preeclampsia: translational failings and why. AB - Preeclampsia affects up to 8% of pregnancies worldwide and is a leading cause of both maternal and fetal morbidity and mortality. Our current understanding of the cause(s) of preeclampsia is far from complete, and the lack of a single reliable animal model that recapitulates all aspects of the disease further confounds our understanding. This is partially due to the heterogeneous nature of the disease, coupled with our evolving understanding of its etiology. Nevertheless, animal models are still highly relevant and useful tools that help us better understand the pathophysiology of specific aspects of preeclampsia. This review summarizes the various types and characteristics of animal models used to study preeclampsia, highlighting particular features of these models relevant to clinical translation. This review points out the strengths and limitations of these models to illustrate the importance of using the appropriate model depending on the research question. PMID- 29212810 TI - Heme oxygenase-1 is a potent inhibitor of placental ischemia-mediated endothelin 1 production in cultured human glomerular endothelial cells. AB - Preeclampsia is a pregnancy-specific disorder of maternal hypertension and reduced renal hemodynamics linked to reduced endothelial function. Placental ischemia is thought to be the culprit of this disease, as it causes the release of factors like tumor necrosis factor (TNF)-alpha that induce vascular endothelin 1 (ET-1) production. Interestingly, placental ischemia-induced hypertension in rats [reduced uterine perfusion pressure (RUPP) model] is abolished by ETA receptor blockade, suggesting a critical role for ET-1. Although it has been found that systemic induction of heme oxygenase (HO)-1 is associated with reduced ET-1 production and attenuated hypertension, it is unclear whether HO-1 directly modulates the increased ET-1 response to placental factors. We tested the hypothesis that HO-1 or its metabolites inhibit ET-1 production in human glomerular endothelial cells induced by serum of RUPP rats or TNF-alpha. Serum (5%) from RUPP hypertensive (mean arterial blood pressure 119 +/- 9 mmHg) vs. normotensive pregnant (NP, 101 +/- 6 mmHg, P < 0.001) rats increased ET-1 production (RUPP 168.8 +/- 18.1 pg/ml, NP 80.3 +/- 22.7 pg/ml, P < 0.001, n = 12/group). HO-1 induction [25 uM cobalt photoporphyrin (CoPP)] abolished RUPP serum-induced ET-1 production (1.6 +/- 0.8 pg/ml, P < 0.001), whereas bilirubin (10 uM) significantly attenuated ET-1 release (125.3 +/- 5.2 pg/ml, P = 0.005). Furthermore, TNF-alpha-induced ET-1 production (TNF-alpha 31.0 +/- 8.4 vs. untreated 7.5 +/- 0.4 pg/ml, P < 0.001) was reduced by CoPP (1.5 +/- 0.8 pg/ml, P < 0.001) and bilirubin (10.5 +/- 4.3 pg/ml, P < 0.001). These results suggest that circulating factors released during placental ischemia target the maternal glomerular endothelium to increase ET-1, and that pharmacological induction of HO 1 or bilirubin could be a treatment strategy to block this prohypertensive pathway in preeclampsia. PMID- 29212811 TI - Altered expression of hepatic beta-adrenergic receptors in aging rats: implications for age-related metabolic dysfunction in liver. AB - Increased beta-adrenergic receptor (beta-AR)-mediated activation of adenylyl cyclase (AC) in rat liver during aging has been linked to age-related increases in hepatic glucose output and hepatosteatosis. In this study, we investigated the expression of beta-ARs, individual receptor subtypes, and G protein-coupled receptor (GPCR) regulatory proteins in livers from aging rats. Radioligand binding studies demonstrated that beta-AR density increased by greater than threefold in hepatocyte membranes from senescent (24-mo-old) compared with young adult (7-mo-old) rats and that this phenomenon was blocked by food restriction, which is known to retard aging processes in rodents. Competition-binding studies revealed a mixed population of beta1- and beta2-AR subtypes in liver membranes over the adult life span, with a trend for greater beta2-AR density with age. Expression of both beta-AR subtype mRNAs in rat liver increased with age, whereas beta2- but not beta1-AR protein levels declined in livers of old animals. Immunoreactive beta2- but not beta1-ARs were preferentially distributed in pericentral hepatic regions. Levels of GRK2/3 and beta-arrestin 2 proteins, which are involved in downregulation of agonist-activated GPCRs, including beta-ARs, increased during aging. Insofar as sympathetic tone increases with age, our findings suggest that, despite enhanced agonist-mediated downregulation of hepatic beta-ARs preferentially affecting the beta2-AR subtype, increased generation of both receptor subtypes during aging augments the pool of plasma membrane-bound beta-ARs coupled to AC in hepatocytes. This study thus identifies one or both beta-AR subtypes as possible therapeutic targets involved in aberrant hepatic processes of glucose and lipid metabolism during aging. PMID- 29212813 TI - Atrial Fibrillation: Once Again Not So Easy to Prevent. PMID- 29212812 TI - Pharmacologic Prevention of Incident Atrial Fibrillation: Long-Term Results From the ALLHAT (Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial). AB - BACKGROUND: Although atrial fibrillation (AF) guidelines indicate that pharmacological blockade of the renin-angiotensin system may be considered for primary AF prevention in hypertensive patients, previous studies have yielded conflicting results. We sought to determine whether randomization to lisinopril reduces incident AF or atrial flutter (AFL) compared with chlorthalidone in a large clinical trial cohort with extended post-trial surveillance. METHODS AND RESULTS: We performed a secondary analysis of the ALLHAT (Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial), a randomized, double blind, active-controlled clinical trial that enrolled hypertensive individuals >=55 years of age with at least one other cardiovascular risk factor. Participants were randomly assigned to receive amlodipine, lisinopril, or chlorthalidone. Individuals with elevated fasting low-density lipoprotein cholesterol levels were also randomized to pravastatin versus usual care. The primary outcome was the development of either AF or AFL as diagnosed by serial study ECGs or by Medicare claims data. Among 14 837 participants without prevalent AF or AFL, 2514 developed AF/AFL during a mean 7.5+/-3.2 years of follow-up. Compared with chlorthalidone, randomization to either lisinopril (hazard ratio, 1.04; 95% confidence interval, 0.94-1.15; P=0.46) or amlodipine (hazard ratio, 0.93; 95% confidence interval, 0.84-1.03; P=0.16) was not associated with a significant reduction in incident AF/AFL. CONCLUSIONS: Compared with chlorthalidone, treatment with lisinopril is not associated with a meaningful reduction in incident AF or AFL among older adults with a history of hypertension. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00000542. PMID- 29212814 TI - Structural basis for assembly of the CBF3 kinetochore complex. AB - Eukaryotic chromosomes contain a specialised region known as the centromere, which forms the platform for kinetochore assembly and microtubule attachment. The centromere is distinguished by the presence of nucleosomes containing the histone H3 variant, CENP-A. In budding yeast, centromere establishment begins with the recognition of a specific DNA sequence by the CBF3 complex. This in turn facilitates CENP-ACse4 nucleosome deposition and kinetochore assembly. Here, we describe a 3.6 A single-particle cryo-EM reconstruction of the core CBF3 complex, incorporating the sequence-specific DNA-binding protein Cep3 together with regulatory subunits Ctf13 and Skp1. This provides the first structural data on Ctf13, defining it as an F-box protein of the leucine-rich-repeat family, and demonstrates how a novel F-box-mediated interaction between Ctf13 and Skp1 is responsible for initial assembly of the CBF3 complex. PMID- 29212815 TI - Rab29 activation of the Parkinson's disease-associated LRRK2 kinase. AB - Parkinson's disease predisposing LRRK2 kinase phosphorylates a group of Rab GTPase proteins including Rab29, within the effector-binding switch II motif. Previous work indicated that Rab29, located within the PARK16 locus mutated in Parkinson's patients, operates in a common pathway with LRRK2. Here, we show that Rab29 recruits LRRK2 to the trans-Golgi network and greatly stimulates its kinase activity. Pathogenic LRRK2 R1441G/C and Y1699C mutants that promote GTP binding are more readily recruited to the Golgi and activated by Rab29 than wild-type LRRK2. We identify conserved residues within the LRRK2 ankyrin domain that are required for Rab29-mediated Golgi recruitment and kinase activation. Consistent with these findings, knockout of Rab29 in A549 cells reduces endogenous LRRK2 mediated phosphorylation of Rab10. We show that mutations that prevent LRRK2 from interacting with either Rab29 or GTP strikingly inhibit phosphorylation of a cluster of highly studied biomarker phosphorylation sites (Ser910, Ser935, Ser955 and Ser973). Our data reveal that Rab29 is a master regulator of LRRK2, controlling its activation, localization, and potentially biomarker phosphorylation. PMID- 29212817 TI - CaSR signaling down-regulates AQP2 expression via a novel microRNA pathway in pendrin and NaCl cotransporter knockout mice. AB - High concentrations of urinary calcium counteract vasopressin action via the activation of the calcium-sensing receptor (CaSR) that is expressed in the luminal membrane of collecting duct cells, which impairs the trafficking of aquaporin-2 (AQP2). Pendrin/NaCl cotransporter double-knockout (dKO) mice display significant calcium wasting and develop severe volume depletion, despite increased circulating vasopressin levels. We hypothesized that the CaSR-mediated impairment of AQP2 expression/trafficking underlies vasopressin resistance in dKO mice. Compared with wild-type mice, in renal inner medulla, dKO mice had reduced total AQP2 sensitive to proteasome inhibitors, higher levels of AQP2-pS261, ubiquitinated AQP2, and p38-MAPK, an enzyme that is activated by CaSR signaling and known to phosphorylate AQP2 at Ser261. CaSR inhibition with the calcilytic NPS2143 reversed these effects, which indicates that CaSR mediates the up regulation of AQP2-pS261, ubiquitination, and degradation. Of note, dKO mice demonstrated significantly higher AQP2-targeting miRNA-137 that was reduced upon CaSR inhibition, supporting a critical role for CaSR in the down-regulation of AQP2 expression. Our data indicate that CaSR signaling reduces AQP2 abundance both via AQP2-targeting miRNA-137 and the p38-MAPK/AQP2 pS261/ubiquitination/proteasomal axis. These effects may contribute to the reduced renal concentrating ability that has been observed in dKO mice and underscore a physiologic mechanism of the CaSR-dependent regulation of AQP2 abundance via a novel microRNA pathway.-Ranieri, M., Zahedi, K., Tamma, G., Centrone, M., Di Mise, A., Soleimani, M., Valenti, G. CaSR signaling down regulates AQP2 expression via a novel microRNA pathway in pendrin and NaCl cotransporter knockout mice. PMID- 29212816 TI - Complete suppression of Htt fibrilization and disaggregation of Htt fibrils by a trimeric chaperone complex. AB - Huntington's disease (HD) is a neurodegenerative disorder caused by an expanded CAG trinucleotide repeat in the huntingtin gene (HTT). Molecular chaperones have been implicated in suppressing or delaying the aggregation of mutant Htt. Using in vitro and in vivo assays, we have identified a trimeric chaperone complex (Hsc70, Hsp110, and J-protein) that completely suppresses fibrilization of HttExon1Q48 The composition of this chaperone complex is variable as recruitment of different chaperone family members forms distinct functional complexes. The trimeric chaperone complex is also able to resolubilize Htt fibrils. We confirmed the biological significance of these findings in HD patient-derived neural cells and on an organismal level in Caenorhabditis elegans Among the proteins in this chaperone complex, the J-protein is the concentration-limiting factor. The single overexpression of DNAJB1 in HEK293T cells is sufficient to profoundly reduce HttExon1Q97 aggregation and represents a target of future therapeutic avenues for HD. PMID- 29212819 TI - Transcriptional and translational dynamics during maternal-to-zygotic transition in early chicken development. AB - Maternal-to-zygotic transition (MZT) is the critical process for the establishment of embryonic identity across vertebrates. During this period, the massive transcriptional activation, called zygotic genome activation (ZGA), is mediated by maternally stored factors, and maternal mRNA clearance by conserved zygotic microRNAs (miRNAs) occurs; however, the important transition in avian species was identified by morphologic perspectives only. In this study, we performed transcriptome analysis to examine the molecular transitions of intrauterine development in chickens. On the basis of coexpression analyses on RNA sequencing data, 2 waves of ZGA-mediated MZT were observed across the early embryonic stages and were associated with transcriptional and translational dynamics. Furthermore, definite transitions were observed according to the distinct developmental characteristics between cleavage and the area pellucida formation period in the functional analysis. Finally, epigenetic modification and the evolutionarily conserved miRNA expression suggest that certain MZT proceeds from Eyal-Giladi and Kochav stage VIII in early chicken development. We expect our study to provide an evolutionary link among vertebrates from the perspective of MZT regulation.-Hwang, Y. S., Seo, M., Bang, S., Kim, H., Han, J. Y. Transcriptional and translational dynamics during maternal-to-zygotic transition in early chicken development. PMID- 29212818 TI - The histone demethylase KDM5A is required for the repression of astrocytogenesis and regulated by the translational machinery in neural progenitor cells. AB - Histone demethylases are known to play important roles in the determination of the fate of stem cells and in cancer progression. In this study, we show that the lysine 4 of histone H3 (H3K4), lysine-specific demethylase 5A (KDM5A) is essential for the repression of astrocyte differentiation in neural progenitor cells (NPCs), and its expression is regulated by translational machinery. Knockdown of KDM5A in NPCs increased astrocytogenesis, and conversely, KDM5A overexpression reduced the transcriptional activity of the Gfap promoter. Induction of astrocytogenesis by ciliary neurotrophic factor (CNTF) or small interfering RNA-induced knockdown of KDM5A decreased KDM5A recruitment to the Gfap promoter and increased H3K4 methylation. The transcript level of Kdm5a was high, whereas KDM5A protein level was low in CNTF induced astrocytes. During astroglial differentiation, translational activity indicated by the phosphorylation of eukaryotic translation initiation factor (eIF)4E was decreased. Treatment of NPCs with the cercosporamide, a MAPK-interacting kinases inhibitor, reduced eIF4E phosphorylation and KDM5A protein expression, increased GFAP levels, and enhanced astrocytogenesis. These data suggest that KDM5A is a key regulator that maintains NPCs in an undifferentiated state by repressing astrocytogenesis and that its expression is translationally controlled during astrocyte differentiation. Thus, KDM5A is a promising target for the modulation of NPC fate.-Kong, S.-Y., Kim, W., Lee, H.-R., Kim, H.-J. The histone demethylase KDM5A is required for the repression of astrocytogenesis and regulated by the translational machinery in neural progenitor cells. PMID- 29212820 TI - Vision in former very low birthweight young adults with and without retinopathy of prematurity compared with term born controls: the NZ 1986 VLBW follow-up study. AB - OBJECTIVE: There are few data on visual outcomes in adulthood of former very low birthweight (VLBW; <1500 g) infants. We aimed to assess vision at 27-29 years in a national cohort of VLBW infants born in 1986 and assessed for retinopathy of prematurity (ROP) when no treatment was available, compared with term born controls. METHODS: The cohort and controls attended a 2-day assessment in Christchurch as part of a larger study. Visual assessment included glasses prescription measured by focimeter, logarithm of the minimum angle of resolution (logMAR) distance visual acuity (VA), contrast sensitivity, autorefraction, retinal photographs and a questionnaire on vision-related everyday activities. Rates of reduced VA and myopia in the VLBW cohort at 27-29 were compared with the results of vision testing at 7-8 years. RESULTS: 250 VLBW adults (77% those alive) gave study consent and 229 (45 with a history of ROP) were assessed in Christchurch, plus 100 term born controls. VLBW adults with ROP had reduced VA compared with no ROP and controls (mean logMAR score (SD); 0.003 (0.19), -0.021 (0.16), -0.078 (0.09), P=0.001). There were no differences in myopia (>2 D) between the groups but high myopia (>5 D) was confined to those with ROP. VLBW adults with ROP drove a car less often and had higher difficulties with everyday activities scores due to eyesight. Between 7-8 and 27-29 years rates of reduced VA were stable but myopia increased. CONCLUSION: Former VLBW young adults with ROP have ongoing problems with vision affecting daily living and should continue in regular ophthalmological review. TRIAL REGISTRATION NUMBER: ACTRN12612000995875, Pre-results . PMID- 29212821 TI - Trabeculectomy bleb needling and antimetabolite administration practices in the UK: a glaucoma specialist national survey. AB - AIMS: To evaluate, describe and quantify the diversity in postoperative antimetabolite administration and bleb needling practices among glaucoma specialists performing trabeculectomy surgery within the UK and Ireland. METHODS: A cross-sectional online survey was distributed to all consultant glaucoma specialists who are on the United Kingdom and Eire Glaucoma Society (UKEGS) contact list. Participants were asked specific questions about their current practices for post-trabeculectomy antimetabolite administration followed by questions directly related to bleb needling procedures. RESULTS: 60 (83%) of UKEGS glaucoma subspecialty consultants completed the survey. 70% of respondents administered 5-fluorouracil (5-FU) in their clinic room while 30% used a separate treatment room. Doses of 5-FU varied considerably but 70% used 5 mg as standard. Techniques used to reduce corneal toxicity included precipitation with amethocaine (44%) or benoxinate (14%), saline wash (14%) and modified injection technique (8%). Topical antibiotics and/or betadine were used to prevent infection following 5-FU injection in just over 50%. Bleb needling was exclusively performed in operating theatre by 56% of respondents and solely at the slit lamp in the clinic room by 12%. A further 30% used a combination of both theatre and outpatient clinic rooms. Anti-metabolites used were 5-FU (72%) and mitomycin C (22%) with 12% using either of the two substances. CONCLUSIONS: There is a significantly wide variety of current practices for antimetabolite administration and bleb needling within the UK and Ireland. This may be influenced by a glaucoma surgeon's specific experience and audit results as well as particular clinical set-up, availability of antimetabolite and clinic room space. PMID- 29212822 TI - Effect of Probiotics on Pharmacokinetics of Orally Administered Acetaminophen in Mice. AB - Orally administered probiotics change gut microbiota composition and enzyme activities. Thus, coadministration of probiotics with drugs may lead to changes in the pharmacokinetic parameters of the drugs. In this study, we investigated the pharmacokinetics of acetaminophen in mice treated with probiotics. Oral administration of probiotics changed the gut microbiota composition in the mice. Of these probiotics, Lactobacillus reuteri K8 increased the numbers of clostridia, bifidobacteria, and enterococci, and Lactobacillus rhamnosus K9 decreased the number of bifidobacteria, determined by culturing in selective media. Next, we performed a pharmacokinetic study of acetaminophen in mice orally treated with K8 and K9 for 3 days. Treatment with K8 reduced the area under the curve (AUC) of orally administered acetaminophen to 68.4% compared with normal control mice, whereas K9 did not affect the AUC of acetaminophen. Oral administration to mice of K8, which degraded acetaminophen, increased the degradation of acetaminophen by gut microbiota, whereas K9 treatment did not affect it. Treatment with K8 increased the number of L. reuteri adhered in the upper small intestine, whereas the number of L. rhamnosus was not affected by treatment with K8 or K9. K8 increased the number of cyanobacteria, whereas K9 increased the number of deferribacteres. These results suggest that the intake of probiotics may make the absorption of orally administered drugs fluctuate through the disturbance of gut microbiota-mediated drug metabolism and that the subsequent impact on microbiota metabolism could result in altered systemic concentrations of the intact drug. PMID- 29212823 TI - Quantitative Expression of Hepatobiliary Transporters and Functional Uptake of Substrates in Hepatic Two-Dimensional Sandwich Cultures: A Comparative Evaluation of Upcyte and Primary Human Hepatocytes. AB - Deficient functional expression of drug transporters incapacitates most hepatic cell lines as a reliable tool for evaluating transporter-mediated drug-drug interactions. Recently, genetically modified cells (referred to as upcyte hepatocytes) have emerged as an expandable, noncancerous source of human hepatic cells. Herein, we quantified mRNA and protein levels of key hepatobiliary transporters and we assessed associated uptake activity in short- and long-term cultures of upcyte human hepatocytes (UHH) in comparison to cryopreserved primary human hepatocytes (cPHH). Expression of canalicular efflux pumps, such as MRD1/ABCB1, MATE1/SLC47A1, and MRP2/ABCC2, was relatively well preserved in UHH. By contrast, long-term cultivation of UHH in a two-dimensional sandwich configuration [sandwich-cultured upcyte human hepatocytes (SCUHH)] was required to upregulate organic anion-transporting polypeptide OATP1B1/SLCO1B1, OATP2B1/SLCO2B1, NTCP/SLC10A1, and OCT1/SLC22A1 mRNA expression, which correlated well with respective protein abundances. However, mRNA and protein levels of sinusoidal solute carrier transporters, except for NTCP and OATP2B1, remained low in SCUHH compared to sandwich-cultured cPHH. OCT1- and NTCP-mediated uptake of N methyl-4-phenylpyridinium acetate and taurocholate was demonstrated in both hepatic models, whereas active uptake of OATP1B1/1B3-selective marker substrates, paralleled by markedly reduced SLCO1B1/1B3 expression, were not detectable in SCUHH. Uptake studies under Na+-depletion and excess of taurocholate confirmed the presence of functional NTCP protein and indicated that NTCP, apart from OATP2B1, contributed substantially to the overall hepatic uptake of rosuvastatin in SCUHH. In conclusion, our data suggest that SCUHH, despite their limitation for evaluating OATP1B1/1B3-mediated transport processes, retain NTCP, OATP2B1, and OCT1 transport activities and thus may be considered as a tool for elucidating compensatory uptake pathways for OATP1B1/1B3 substrates. PMID- 29212824 TI - Targeted Microbiome Intervention by Microencapsulated Delayed-Release Niacin Beneficially Affects Insulin Sensitivity in Humans. AB - OBJECTIVE: Gut microbiota represent a potential novel target for future prediabetes and type 2 diabetes therapies. In that respect, niacin has been shown to beneficially affect the host-microbiome interaction in rodent models. RESEARCH DESIGN AND METHODS: We characterized more than 500 human subjects with different metabolic phenotypes regarding their niacin (nicotinic acid [NA] and nicotinamide [NAM]) status and their gut microbiome. In addition, NA and NAM delayed-release microcapsules were engineered and examined in vitro and in vivo in two human intervention studies (bioavailability study and proof-of-concept/safety study). RESULTS: We found a reduced alpha-diversity and Bacteroidetes abundance in the microbiome of obese human subjects associated with a low dietary niacin intake. We therefore developed delayed-release microcapsules targeting the ileocolonic region to deliver increasing amounts of NA and NAM to the microbiome while preventing systemic resorption to avoid negative side effects (e.g., facial flushing). In vitro studies on these delayed-release microcapsules revealed stable conditions at pH 1.4, 4.5, and 6.8, followed by release of the compounds at pH 7.4, simulating the ileocolonic region. In humans in vivo, gut-targeted delayed-release NA but not NAM produced a significant increase in the abundance of Bacteroidetes. In the absence of systemic side effects, these favorable microbiome changes induced by microencapsulated delayed-release NA were associated with an improvement of biomarkers for systemic insulin sensitivity and metabolic inflammation. CONCLUSION: Targeted microbiome intervention by delayed release NA might represent a future therapeutic option for prediabetes and type 2 diabetes. PMID- 29212826 TI - Diet in multiple sclerosis: Science takes a seat at the table. PMID- 29212825 TI - Intensive Blood Pressure Lowering in Patients With and Patients Without Type 2 Diabetes: A Pooled Analysis From Two Randomized Trials. AB - OBJECTIVE: The Action to Control Cardiovascular Risk in Diabetes Blood Pressure (ACCORD-BP) study did not find a significant beneficial effect of intensive systolic blood pressure (SBP) lowering on cardiovascular events in hypertensive patients with type 2 diabetes mellitus (T2DM), while the Systolic Blood Pressure Intervention Trial (SPRINT) did find a significant beneficial effect in patients without T2DM. The objective of this analysis was to assess the effect of both T2DM and baseline cardiovascular disease risk on the treatment effect of intensive blood pressure lowering. RESEARCH DESIGN AND METHODS: The individual patient data from the ACCORD-BP and SPRINT studies were pooled and follow-up durations harmonized. Both studies randomized hypertensive patients to an SBP target of <120 mmHg or a target of <140 mmHg. The composite primary end point consisted of unstable angina, myocardial infarction, acute heart failure, stroke, and cardiovascular death. The interaction between intensive blood pressure lowering and both T2DM and 10-year cardiovascular risk was assessed using Cox proportional hazards models. RESULTS: The cohort consisted of 14,094 patients with mean age 66 +/- 8.9 years and mean baseline SBP 139.5 +/- 15.6 mmHg; 33.6% had T2DM. The hazard ratio for the primary composite end point was 0.82 (95% CI 0.73-0.93), P = 0.0017. The interaction between intensive blood pressure lowering and T2DM was nonsignificant (P = 0.13). The 10-year cardiovascular risk was higher in primary prevention patients with T2DM, but risk did not interact with the treatment effect (P = 0.84). CONCLUSIONS: Intensive blood pressure lowering may have a similar favorable effect and appears to decrease cardiovascular events in both patients with and patients without T2DM. PMID- 29212827 TI - Diet quality is associated with disability and symptom severity in multiple sclerosis. AB - OBJECTIVE: To assess the association between diet quality and intake of specific foods with disability and symptom severity in people with multiple sclerosis (MS). METHODS: In 2015, participants in the North American Research Committee on MS (NARCOMS) Registry completed a dietary screener questionnaire that estimates intake of fruits, vegetables and legumes, whole grains, added sugars, and red/processed meats. We constructed an overall diet quality score for each individual based on these food groups; higher scores denoted a healthier diet. We assessed the association between diet quality and disability status as measured using Patient-Determined Disease Steps (PDDS) and symptom severity using proportional odds models, adjusting for age, sex, income, body mass index, smoking status, and disease duration. We assessed whether a composite healthy lifestyle measure, a healthier diet, healthy weight (body mass index <25), routine physical activity, and abstinence from smoking was associated with symptom severity. RESULTS: Of the 7,639 (68%) responders, 6,989 reported physician-diagnosed MS and provided dietary information. Participants with diet quality scores in the highest quintile had lower levels of disability (PDDS; proportional odds ratio [OR] for Q5 vs Q1 0.80; 95% confidence interval [CI] 0.69 0.93) and lower depression scores (proportional OR for Q5 vs Q1 0.82; 95% CI 0.70 0.97). Individuals reporting a composite healthy lifestyle had lower odds of reporting severe fatigue (0.69; 95% CI 0.59-0.81), depression (0.53; 95% CI 0.43 0.66), pain (0.56; 95% CI 0.48-0.67), or cognitive impairment (0.67; 95% CI 0.55 0.79). CONCLUSIONS: Our large cross-sectional survey suggests a healthy diet and a composite healthy lifestyle are associated with lesser disability and symptom burden in MS. PMID- 29212828 TI - Detecting anxiety in individuals with Parkinson disease: A systematic review. AB - OBJECTIVE: To examine diagnostic accuracy of anxiety detection tools compared with a gold standard in outpatient settings among adults with Parkinson disease (PD). METHODS: A systematic review was conducted. MEDLINE, EMABASE, PsycINFO, and Cochrane Database of Systematic Reviews were searched to April 7, 2017. Prevalence of anxiety and diagnostic accuracy measures including sensitivity, specificity, and likelihood ratios were gathered. Pooled prevalence of anxiety was calculated using Mantel-Haenszel-weighted DerSimonian and Laird models. RESULTS: A total of 6,300 citations were reviewed with 6 full-text articles included for synthesis. Tools included within this study were the Beck Anxiety Inventory, Geriatric Anxiety Inventory (GAI), Hamilton Anxiety Rating Scale, Hospital Anxiety and Depression Scale-Anxiety, Parkinson's Anxiety Scale (PAS), and Mini-Social Phobia Inventory. Anxiety diagnoses made included generalized anxiety disorder, social phobia, and any anxiety type. Pooled prevalence of anxiety was 30.1% (95% confidence interval 26.1%-34.0%). The GAI had the best reported sensitivity of 0.86 and specificity of 0.88. The observer-rated PAS had a sensitivity of 0.71 and the highest specificity of 0.91. CONCLUSIONS: While there are 6 tools validated for anxiety screening in PD populations, most tools are only validated in single studies. The GAI is brief and easy to use, with a good balance of sensitivity and specificity. The PAS was specifically developed for PD, is brief, and has self-/observer-rated scales, but with lower sensitivity. Health care practitioners involved in PD care need to be aware of available validated tools and choose one that fits their practice. PMID- 29212829 TI - PML in a person with multiple sclerosis: Is teriflunomide the felon? PMID- 29212830 TI - Multicenter evaluation of neurofilaments in early symptom onset amyotrophic lateral sclerosis. AB - OBJECTIVE: To examine neurofilament (Nf) concentrations according to symptom onset and clinical diagnostic certainty categories of amyotrophic lateral sclerosis (ALS). METHODS: We measured Nf light chain (NfL) and phosphorylated Nf heavy chain (pNfH) CSF and NfL serum levels in patients with ALS with first symptom onset <=6 months (n = 54) or >6 months (n = 135) from sampling, and patients with other neurologic diseases, differential diagnoses of a motor neuron disease (MND mimics), and other MND variants to determine the diagnostic accuracy in patients with ALS with early symptom onset. Samples were received multicentric and analyzed by ELISA and Simoa platform and related to other clinical measures. RESULTS: NfL and pNfH in CSF and NfL in serum were increased in early and later symptomatic phase ALS (p < 0.0001). CSF and serum NfL and CSF pNfH discriminated patients with ALS with early symptom onset from those with other neurologic diseases and MND mimics with high sensitivity (94%, 88%, 98%, and 89%, 100%, 78%) and specificity (86%, 92%, 91%, and 94%, 90%, 98%) and did not vary between clinical diagnostic categories of ALS in the early symptomatic phase group. Baseline NfL and pNfH levels were not significantly different in patients with ALS with clinical progression to definite or probable ALS at follow-up. CONCLUSION: The measurement of Nf has potential to enhance diagnostic accuracy of ALS in those presenting soon after symptom onset, and is measurable across multiple centers. CLASSIFICATION OF EVIDENCE: This study provides Class II evidence that CSF and serum Nf concentrations discriminate ALS with early symptom onset from other neurologic diseases. PMID- 29212832 TI - Adenosine A2A Receptor Agonist, 2-p-(2-Carboxyethyl)phenethylamino-5'-N ethylcarboxamidoadenosine Hydrochloride Hydrate, Inhibits Inflammation and Increases Fibroblast Growth Factor-2 Tissue Expression in Carrageenan-Induced Rat Paw Edema. AB - Adenosine is the final product of ATP metabolism, mainly derived from the action of 5'-nucleotidase cleavage of AMP. Cellular production of adenosine is greatly enhanced in inflamed tissues, ischemic tissues, and under hypoxia, where ATP is released from damaged cells. Much evidence has been accumulated on adenosine anti inflammatory effects mediated through A2A receptor activation; A2A adenosine receptor has also been shown to play a role in matrix deposition and wound healing in a damaged tissue, contributing to dermal tissue protection and repair. Fibroblast growth factor-2 (FGF-2) is a powerful mitogen for fibroblast; it is expressed by several inflammatory cell types and plays a pivotal role in angiogenesis, wound healing, gastric ulcer protection. Human recombinant FGF-2 has been shown to have anti-inflammatory effects. The purpose of the present work was to investigate on the anti-inflammatory effect of systemic administration of the adenosine A2A agonist 2-p-(2-carboxyethyl)phenethylamino-5'-N ethylcarboxamidoadenosine hydrochloride hydrate (CGS21680) in the rat model of carrageenan-induced paw edema. We found that CGS21680 inhibits inflammation induced by carrageenan injection into the rat paw, and this effect is associated to the local reduction of cytokine levels and dermal increase of FGF-2 expression. Our results suggest that FGF-2 might be involved in the anti inflammatory and tissue protective effect due to A2A receptor activation. PMID- 29212831 TI - Impaired Pulmonary Arterial Vasoconstriction and Nitric Oxide-Mediated Relaxation Underlie Severe Pulmonary Hypertension in the Sugen-Hypoxia Rat Model. AB - Pulmonary vasoreactivity could determine the responsiveness to vasodilators and, in turn, the prognosis of pulmonary hypertension (PH). We hypothesized that pulmonary vasoreactivity is impaired, and we examined the underlying mechanisms in the Sugen-hypoxia rat model of severe PH. Male Sprague-Dawley rats were injected with Sugen (20 mg/kg s.c.) and exposed to hypoxia (9% O2) for 3 weeks, followed by 4 weeks in normoxia (Su/Hx), or treated with Sugen alone (Su) or hypoxia alone (Hx) or neither (Nx). After hemodynamic measurements, the heart was assessed for right ventricular hypertrophy (Fulton's index); the pulmonary artery, aorta, and mesenteric arteries were isolated for vascular function studies; and contractile markers were measured in pulmonary arteries using quantitative polymerase chain reaction (PCR). Other rats were used for morphometric analysis of pulmonary vascular remodeling. Right ventricular systolic pressure and Fulton's index were higher in Su/Hx versus Su, Hx, and Nx rats. Pulmonary vascular remodeling was more prominent in Su/Hx versus Nx rats. In pulmonary artery rings, contraction to high KCl (96 mM) was less in Su/Hx versus Nx and Su, and phenylephrine-induced contraction was reduced in Su/Hx versus Nx, Hx, and Su. Acetylcholine (ACh)-induced relaxation was less in Su/Hx versus Nx and Hx, suggesting reduced endothelium-dependent vasodilation. ACh relaxation was inhibited by nitric oxide synthase (NOS) and guanylate cyclase blockade in all groups, suggesting a role of the NO-cGMP pathway. Nitrate/nitrite production in response to ACh was less in Su/Hx versus Nx, supporting reduced endothelial NO production. Sodium nitroprusside (10-8 M) caused less relaxation in Su/Hx versus Nx, Hx, and Su, suggesting a decreased responsiveness of vascular smooth muscle (VSM) to vasodilators. Neither contraction nor relaxation differed in the aorta or mesenteric arteries of all groups. PCR analysis showed decreased expression of contractile markers in pulmonary artery of Su/Hx versus Nx. The reduced responsiveness to vasoconstrictors and NO-mediated vasodilation in the pulmonary, but not systemic, vessels may be an underlying mechanism of severe PH in Su/Hx rats and appears to involve attenuation of the NO relaxation pathway and a switch of pulmonary VSM cells to a synthetic less reactive phenotype. PMID- 29212833 TI - Personalized cancer therapy-leveraging a knowledge base for clinical decision making. AB - Next-generation sequencing (NGS), also known as massively parallel sequencing, is rapidly being incorporated into oncology practice. Interpretation of genomic reports and selecting treatments based on the tumor's genomic analysis becomes more and more complicated for the treating oncologist because of the use of larger panels covering dozens to hundreds of genes and the amount of rapidly emerging clinical/translational data. To help guide personalized treatments in oncology, The Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy (IPCT) at MD Anderson Cancer Center has developed a knowledge base, available at https://personalizedcancertherapy.org or https://pct.mdanderson.org (PCT). This knowledge base provides information on the function of common genomic alterations and their therapeutic implications. Here, we describe how such genomic information can be used by health-care providers to identify genomically matched therapies. PMID- 29212834 TI - Lung ageing and COPD: is there a role for ageing in abnormal tissue repair? AB - Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death worldwide, with increasing prevalence, in particular in the elderly. COPD is characterised by abnormal tissue repair resulting in (small) airways disease and emphysema. There is accumulating evidence that ageing hallmarks are prominent features of COPD. These ageing hallmarks have been described in different subsets of COPD patients, in different lung compartments and also in a variety of cell types, and thus might contribute to different COPD phenotypes. A better understanding of the main differences and similarities between normal lung ageing and the pathology of COPD may improve our understanding of the mechanisms driving COPD pathology, in particular in those patients that develop the most severe form of COPD at a relatively young age, i.e. severe early-onset COPD patients.In this review, after introducing the main concepts of lung ageing and COPD pathology, we focus on the role of (abnormal) ageing in lung remodelling and repair in COPD. We discuss the current evidence for the involvement of ageing hallmarks in these pathological features of COPD. We also highlight potential novel treatment strategies and opportunities for future research based on our current knowledge of abnormal lung ageing in COPD. PMID- 29212835 TI - The air of Europe: where are we going? AB - Air pollution constitutes one of the main threats to public health in Europe. Significant impacts on the health of Europeans in terms of morbidity and mortality have been observed, even in cases of low exposure and where pollutant levels are within limits set by the European Union (EU). The respiratory system is a primary target of the harmful effects of key air pollutants. Emissions of many air pollutants have decreased substantially over the past decades in Europe, resulting in diminished concentrations and improved air quality. However, in several European cities concentrations still exceed EU reference values and, more often, the stricter World Health Organization air quality guidelines for all regulated air pollutants (particles with 50% cut-off aerodynamic diameters of 10 and 2.5 um, nitrogen dioxide (NO2), benzo[a]pyrene and ozone (O3)) except sulfur dioxide. In addition, current trends indicate that in the absence of substantial changes, particulate matter, NO2 and O3 will still exceed limits in 2020. Additional efforts must be made to comply with current standards and guidelines. These should include a more accurate and detailed monitoring of air pollutants, reduction of emissions and individual behaviour changes. PMID- 29212836 TI - Inhaler technique: does age matter? A systematic review. AB - Poor inhaler technique and inferior asthma outcomes are evident in older adults. Reviews comparing metered dose inhaler (MDI) and dry powder inhaler (DPI) techniques across older adults and younger cohorts are scarce. This systematic review aimed to determine whether differences exist between such cohorts with regards to the number and type of MDI and DPI errors made. A systematic literature search was conducted in Embase, Medline and PubMed from July 1 to December 31, 2016. Studies were selected in accordance with preset inclusion criteria, relevant data were extracted, and quality was assessed with validated checklists. 14 studies were identified. Evidence suggests a negative correlation between advancing age and correct technique across MDI and varying DPI devices when examined collectively. Differences appear to exist between older adult and younger cohorts prescribed MDIs in error types. There is evidence of age associated differences in the number and type of inhaler technique errors. Further research is required to assess outcomes in individual DPIs, reproducibility and the effects of confounders. PMID- 29212837 TI - Pirfenidone safety and adverse event management in idiopathic pulmonary fibrosis. AB - Pirfenidone is one of two approved therapies for the treatment of idiopathic pulmonary fibrosis (IPF). Randomised controlled clinical trials and subsequent post hoc analyses have demonstrated that pirfenidone reduces lung function decline, decreases mortality and improves progression-free survival. Long-term extension trials, registries and real-world studies have also shown similar treatment effects with pirfenidone. However, for patients with IPF to obtain the maximum benefits of pirfenidone treatment, the potential adverse events (AEs) associated with pirfenidone need to be managed. This review highlights the well known and established safety profile of pirfenidone based on randomised controlled clinical trials and real-world data. Key strategies for preventing and managing the most common pirfenidone-related AEs are described, with the goal of maximising adherence to pirfenidone with minimal AEs. PMID- 29212838 TI - Long-term macrolides in diffuse interstitial lung diseases. AB - In the present review we provide currently available evidence for the use of macrolides in the treatment of diffuse interstitial lung diseases (ILDs). Up to now, research on macrolides has mainly focused on three areas. First, macrolides have shown some promising results in cellular models and case reports as antifibrotic agents, by promoting autophagy and clearance of intracellular protein aggregates and acting as regulators of surfactant homeostasis. Secondly, macrolides have an immunomodulatory effect, which has been applied in some organising pneumonia cases. In particular, macrolides have been tested in association with systemic corticosteroids as steroid-sparing agents and alone as either first-line agents in mild cases or second-line agents where steroids were poorly tolerated or had failed. Thirdly, a recent area of research concerns the possible role of macrolides as modulators of lung microbiota and the host microbiota interaction. This function has been particularly studied in idiopathic pulmonary fibrosis patients, in whom changes in microbiota have been proved to be associated with disease progression. However, the lack of high-quality studies makes the application of macrolide therapy in ILDs a field in which research should be conducted on a large scale. PMID- 29212840 TI - Life's a Gas under Pressure: Ethylene and Etioplast Maintenance in Germinating Seedlings. PMID- 29212839 TI - BP in Dialysis: Results of a Pilot Study. AB - The optimal BP target for patients receiving hemodialysis is unknown. We randomized 126 hypertensive patients on hemodialysis to a standardized predialysis systolic BP of 110-140 mmHg (intensive arm) or 155-165 mmHg (standard arm). The primary objectives were to assess feasibility and safety and inform the design of a full-scale trial. A secondary objective was to assess changes in left ventricular mass. Median follow-up was 365 days. In the standard arm, the 2-week moving average systolic BP did not change significantly during the intervention period, but in the intensive arm, systolic BP decreased from 160 mmHg at baseline to 143 mmHg at 4.5 months. From months 4-12, the mean separation in systolic BP between arms was 12.9 mmHg. Four deaths occurred in the intensive arm and one death occurred in the standard arm. The incidence rate ratios for the intensive compared with the standard arm (95% confidence intervals) were 1.18 (0.40 to 3.33), 1.61 (0.87 to 2.97), and 3.09 (0.96 to 8.78) for major adverse cardiovascular events, hospitalizations, and vascular access thrombosis, respectively. The intensive and standard arms had similar median changes (95% confidence intervals) in left ventricular mass of -0.84 (-17.1 to 10.0) g and 1.4 (-11.6 to 10.4) g, respectively. Although we identified a possible safety signal, the small size and short duration of the trial prevent definitive conclusions. Considering the high risk for major adverse cardiovascular events in patients receiving hemodialysis, a full-scale trial is needed to assess potential benefits of intensive hypertension control in this population. PMID- 29212841 TI - Benefits of hyperbaric oxygen pretreatment for decompression sickness in Bama pigs. AB - Decompression sickness (DCS) occurs when ambient pressure is severely reduced during diving and aviation. Hyperbaric oxygen (HBO) pretreatment has been shown to exert beneficial effects on DCS in rats via heat-shock proteins (HSPs). We hypothesized that HBO pretreatment will also reduce DCS via HSPs in swine models. In the first part of our investigation, six swine were subjected to a session of HBO treatment. HSP32, 60, 70 and 90 were detected, before and at 6, 12, 18, 24 and 30 h following exposure in lymphocytes. In the second part of our investigation, another 10 swine were randomly assigned into two groups (five per group). All swine were subjected to two simulated air dives in a hyperbaric chamber with an interval of 7 days. Eighteen hours before each dive, the swine were pretreated with HBO or air: the first group received air pretreatment prior to the first dive and HBO pretreatment prior to the second; the second group were pretreated with HBO first and then air. Bubble loads, skin lesions, inflammation and endothelial markers were detected after each dive. In lymphocytes, all HSPs increased significantly (P<0.05), with the greatest expression appearing at 18 h for HSP32 and 70. HBO pretreatment significantly reduced all the determined changes compared with air pretreatment. The results demonstrate that a single exposure to HBO 18 h prior to diving effectively protects against DCS in the swine model, possibly via induction of HSPs. PMID- 29212842 TI - Lean, mean, lipolytic machines: lipid mobilization in rainbow trout during graded swimming. AB - The mobilization of mammalian lipid reserves is strongly stimulated during exercise to reach a maximum at moderate intensities, but the effects of swimming speed on fish lipolysis have never been quantified. Continuous infusion of 2 [3H]glycerol was used to measure the rate of appearance of glycerol or lipolytic rate (Ra glycerol) in rainbow trout kept at rest, or during graded exercise in a swim tunnel up to critical swimming speed (Ucrit). Results show that Ra glycerol is 1.67+/-0.18 umol kg-1 min-1 in control animals, and remains at a steady level of 1.24+/-0.10 umol kg-1 min-1 in exercising fish at all swimming intensities. Baseline lipolytic rate provides more than enough fatty acids from lipid reserves to accommodate all the oxidative fuel requirements for swimming at up to 2 body lengths per second (BL s-1), and more than 50% of the energy needed at Ucrit (3.4+/-0.1 BL s-1). Such 'excess lipolysis' also means that trout sustain high rates of fatty acid reesterification. Maintaining steady lipolysis at rest and throughout graded swimming is strikingly different from mammals that stimulate Ra glycerol by twofold to fivefold to support exercise. Instead, trout act like 'lipolytic machines' that do not modulate Ra glycerol even when their metabolic rate triples - a strategy that eliminates the need to increase lipolytic rate during exercise. This study also supports the notion that maintaining a high rate of reesterification (or triacylglycerol/fatty acid cycling) may be a mechanism widely used by ectotherms to achieve rapid membrane remodelling in variable environments. PMID- 29212843 TI - Movements of vastly different performance have similar underlying muscle physiology. AB - Many animals use elastic recoil mechanisms to power extreme movements, achieving levels of performance that would not be possible using muscle power alone. Contractile performance of vertebrate muscle depends strongly on temperature, but the release of energy from elastic structures is far less thermally dependent, thus elastic recoil confers thermal robustness to whole-animal performance. Here we explore the role that muscle contractile properties play in the differences in performance and thermal robustness between elastic and non-elastic systems by examining muscle from two species of plethodontid salamanders that use elastically powered tongue projection to capture prey and one that uses non elastic tongue projection. In species with elastic mechanisms, tongue projection is characterized by higher mechanical power output and thermal robustness compared with tongue projection of closely related genera with non-elastic mechanisms. In vitro and in situ muscle experiments reveal that species differ in their muscle contractile properties, but these patterns do not predict the performance differences between elastic and non-elastic tongue projection. Overall, salamander tongue muscles are similar to other vertebrate muscles in contractile performance and thermal sensitivity. We conclude that changes in the tongue-projection mechanism, specifically the elaboration of elastic structures, are responsible for high performance and thermal robustness in species with elastic tongue projection. This suggests that the evolution of high-performance and thermally robust elastic recoil mechanisms can occur via relatively simple changes to morphology, while muscle contractile properties remain relatively unchanged. PMID- 29212844 TI - Protein synthesis is lowered by 4EBP1 and eIF2-alpha signaling while protein degradation may be maintained in fasting, hypoxic Amazonian cichlids Astronotus ocellatus. AB - The Amazonian cichlid Astronotus ocellatus is highly tolerant to hypoxia, and is known to reduce its metabolic rate by reducing the activity of energetically expensive metabolic processes when oxygen is lacking in its environment. Our objectives were to determine how protein metabolism is regulated in A. ocellatus during hypoxia. Fish were exposed to a stepwise decrease in air saturation (100%, 20%, 10% and 5%) for 2 h at each level, and sampled throughout the experiment. A flooding dose technique using a stable isotope allowed us to observe an overall decrease in protein synthesis during hypoxia in liver, muscle, gill and heart. We estimate that this decrease in rates of protein synthesis accounts for a 20 to 36% decrease in metabolic rate, which would enable oscars to maintain stable levels of ATP and prolong survival. It was also determined for the first time in fish that a decrease in protein synthesis during hypoxia is likely controlled by signaling molecules (4EBP1 and eIF2-alpha), and not simply due to a lack of ATP. We could not detect any effects of hypoxia on protein degradation as the levels of NH4 excretion, indicators of the ubiquitin proteasome pathway, and enzymatic activities of lysosomal and non-lysosomal proteolytic enzymes were maintained throughout the experiment. PMID- 29212845 TI - Crawling without wiggling: muscular mechanisms and kinematics of rectilinear locomotion in boa constrictors. AB - A central issue for understanding locomotion of vertebrates is how muscle activity and movements of their segmented axial structures are coordinated, and snakes have a longitudinal uniformity of body segments and diverse locomotor behaviors that are well suited for studying the neural control of rhythmic axial movements. Unlike all other major modes of snake locomotion, rectilinear locomotion does not involve axial bending, and the mechanisms of propulsion and modulating speed are not well understood. We integrated electromyograms and kinematics of boa constrictors to test Lissmann's decades-old hypotheses of activity of the costocutaneous superior (CCS) and inferior (CCI) muscles and the intrinsic cutaneous interscutalis (IS) muscle during rectilinear locomotion. The CCI was active during static contact with the ground as it shortened and pulled the axial skeleton forward relative to both the ventral skin and the ground during the propulsive phase. The CCS was active during sliding contact with the ground as it shortened and pulled the skin forward relative to both the skeleton and the ground during the recovery phase. The IS shortened the ventral skin, and subsequent isometric activity kept the skin stiff and shortened during most of static contact while overlapping extensively with CCI activity. The concentric activity of the CCI and CCS supported Lissmann's predictions. Contrary to Lissmann, the IS had prolonged isometric activity, and the time when it shortened was not consistent with providing propulsive force. Decoupling propulsion from axial bending in rectilinear locomotion may have facilitated economical locomotion of early snakes in subterranean tunnels. PMID- 29212846 TI - Associations of Del 301-303 alpha2B-adrenoceptor gene polymorphism with central hemodynamic parameters in the northern Russian population. AB - The ADRA2B gene 301-303 I/D polymorphism is associated with various cardiovascular phenotypes. However, an association of genotypes with the timing structure of cardiac cycle remains unclear. The central hemodynamic parameters were assessed by pulse wave analysis in 63 residents of the Kola Peninsula (68 N) aged 27-65 yr. The genotypes were determined by PCR. The paired comparisons revealed that II genotype carriers had higher values of augmentation index ( P = 0.014), ejection duration ( P = 0.045), and lower SEVR ( P = 0.035) than DD homozygotes. Multiple regression analysis adjusted for age, body mass index, heart rate, and blood pressure confirmed these results. Further sex stratified analysis showed that the associations existed only in men ( n = 33) whereas in women ( n = 30) the differences were suggestive ( P < 0.1). It is concluded that in a northern Russian population men carrying I allele have stiffer arteries, shorter diastole duration, and impaired coronary perfusion and seem to be at higher risk for cardiovascular diseases than DD carriers. PMID- 29212847 TI - Attempted replication of SNPs in RANKL and OPG with musculoskeletal adverse events during aromatase inhibitor treatment for breast cancer. AB - Aromatase inhibitor (AI) therapy is highly efficacious in the treatment of estrogen receptor-positive breast cancer; however, in a subset of patients AI use is discontinued due to drug-induced musculoskeletal adverse events (MS-AE). Several studies have investigated the role of germline single nucleotide polymorphisms (SNPs) on patients' risk of MS-AEs; however, no associations have yet to be validated for translation into clinical practice. This study attempted to replicate SNPs in RANKL ( rs7984870 ) and OPG ( rs2073618 ) on the risk of AI induced MS-AEs and screen for secondary associations with MS-AE-related treatment discontinuation and serum and urine markers of bone health. Previously reported associations were not replicated with our primary hypothesis, change in MS-AE from baseline to 3 mo; however, patients homozygous for the G allele of rs7984870 in RANKL had lower risk of MS-AE-associated treatment discontinuation in analyses of secondary phenotypes without statistical correction. PMID- 29212848 TI - Association of complement receptor 1 gene polymorphisms with cognitive function. AB - Previous evidence suggest involvement of the complement receptor 1 (CR1) in development of Alzheimer's disease. We investigated the association of CR1 gene polymorphisms with cognitive function in older subjects. Single nucleotide polymorphisms (SNPs) within the CR1 region on chromosome 1 ( n = 73) were assessed in 5,244 participants in the PROspective Study of Pravastatin in the Elderly at Risk (51.9% female, mean age 75.3 yr). Linear regression, adjusted for age, sex, country, and use of pravastatin, was used to assess the association between the SNPs and cognitive function. All 73 SNPs within the genomic region of the CR1 gene on chromosome 1 were extracted. Eighteen were independent, according to a relatively stringent R2 threshold of >0.8 with LDlink. Twelve of the 18 investigated CR1 SNPs were significantly associated with a decline in cognitive function (all P < 0.05). These data indicate that genetic variation within the CR1 gene is associated not only with Alzheimer's disease, but also with general cognitive function during late life. PMID- 29212849 TI - TRIM63 (MuRF-1) gene polymorphism is associated with biomarkers of exercise induced muscle damage. AB - Unaccustomed strenuous exercise can lead to muscle strength loss, inflammation and delayed-onset muscle soreness, which may be influenced by genetic variation. We investigated if a missense single nucleotide polymorphism (A>G, rs2275950 ) within the TRIM63 gene (encoding MuRF-1 and potentially affecting titin mechanical properties) was associated with the variable response to unaccustomed eccentric exercise. Sixty-five untrained, healthy participants (genotyped for rs2275950 : AA, AG, and GG) performed 120 maximal eccentric knee extensions (ECC) to induce muscle damage. Isometric and isokinetic maximal voluntary knee extension contractions (MVCs) and muscle soreness were assessed before, immediately after, and 48 h after ECC. AA homozygotes were consistently stronger [baseline isometric MVC: 3.23 +/- 0.92 Nm/kg (AA) vs. 2.09 +/- 0.67 Nm/kg (GG); P = 0.006] and demonstrated less muscle soreness over time ( P = 0.022) compared with GG homozygotes. This may be explained by greater titin stiffness in AA homozygotes, leading to intrinsically stronger muscle fibers that are more resistant to eccentric damaging contractions. PMID- 29212850 TI - Endothelial transcriptomics reveals activation of fibrosis-related pathways in hypertension. AB - Hypertension poses a significant challenge to vasculature homeostasis and stands as the most common cardiovascular disease in the world. Its effects are especially profound on endothelial cells that form the inner lining of the vasculature and are directly exposed to the effects of excess pressure. Here, we characterize the in vivo transcriptomic response of cardiac endothelial cells to hypertension by rapidly isolating these cells from the spontaneous hypertension mouse model BPH/2J and its normotensive BPN/3J control strain and performing and RNA sequencing on both. Comparison of transcriptional differences between these groups reveals statistically significant changes in cellular pathways consistent with cardiac fibrosis found in hypertensive animals. Importantly, many of the fibrosis-linked genes identified also differ significantly between juvenile prehypertensive and adult hypertensive BPH/2J mice, suggesting that these transcriptional differences are hypertension related. We examined the dynamic nature of these transcriptional changes by testing whether blood pressure normalization using either a calcium channel blocker (amlodipine) or a angiotensin II receptor blocker (losartan) is able to reverse these expression patterns associated with hypertension. We find that blood pressure reduction is capable of reversing some gene-expression patterns, while other transcripts are recalcitrant to therapeutic intervention. This illuminates the possibility that unmanaged hypertension may irreversibly alter some endothelial transcriptional patterns despite later intervention. This study quantifies how endothelial cells are remodeled at the molecular level in cardiovascular pathology and advances our understanding of the transcriptional events associated with endothelial response to hypertensive challenge. PMID- 29212851 TI - Omics of bifidobacteria: research and insights into their health-promoting activities. AB - Members of the genus Bifidobacterium include gut commensals that are particularly abundant among the microbial communities residing in the gut of healthy breast fed infants, where their presence has been linked to many beneficial host effects. Next-generation DNA sequencing and comparative and functional genome methodologies have been shown to be particularly useful in exploring the diversity of this genus. These combined approaches have allowed the identification of genetic features related to bifidobacterial establishment in the gut, involving host-microbe as well as microbe-microbe interactions. Among these, proteinaceous structures, which protrude from the bacterial surface, i.e. pili or fimbriae, and exopolysaccharidic cell surface layers or capsules represent crucial features that assist in their colonization and persistence in the gut. As bifidobacteria are colonizers of the large intestine, they have to be able to cope with various sources of osmotic, oxidative, bile and acid stress during their transit across the gastric barrier and the small intestine. Bifidobacterial genomes thus encode various survival mechanisms, such as molecular chaperones and efflux pumps, to overcome such challenges. Bifidobacteria represent part of an anaerobic gut community, and feed on nondigestible carbohydrates through a specialized fermentative metabolic pathway, which in turn produces growth substrates for other members of the gut community. Conversely, bifidobacteria may also be dependent on other (bifido)bacteria to access host- and diet-derived glycans, and these complex co-operative interactions, based on resource sharing and cross-feeding strategies, represent powerful driving forces that shape gut microbiota composition. PMID- 29212852 TI - A Systems Approach to Prostate Cancer Classification-Letter. PMID- 29212853 TI - Emergence of High-Avidity Melan-A-Specific Clonotypes as a Reflection of Anti-PD 1 Clinical Efficacy. AB - Therapeutic strategies using anti-PD-1-blocking antibodies reported unparalleled effectiveness for melanoma immunotherapy, but deciphering immune responses modulated by anti-PD-1 treatment remains a crucial issue. Here, we analyzed the composition and functions of the large Melan-A-specific T-cell repertoire in the peripheral blood of 9 melanoma patients before and after 2 months of treatment with anti-PD-1. We observed amplification of Melan-A-specific Vbeta subfamilies undetectable before therapy (thereafter called emerging Vbeta subfamilies) in responding patients, with a predominant expansion in patients with a complete response. These emerging Vbeta subfamilies displayed a higher functional avidity for their cognate antigen than Vbeta subfamilies not amplified upon anti-PD-1 therapy and could be identified by a sustained coexpression of PD-1 and TIGIT receptors. Thus, in addition to the emergence of neoantigen-specific T cells previously documented upon anti-PD-1 therapy, our work describes the emergence of high-avidity Melan-A-specific clonotypes as a surrogate marker of treatment efficacy. Cancer Res; 77(24); 7083-93. (c)2017 AACR. PMID- 29212854 TI - A Systems Approach to Prostate Cancer Classification-Response. PMID- 29212855 TI - T-Cell Densities in Brain Metastases Are Associated with Patient Survival Times and Diffusion Tensor MRI Changes. AB - Brain metastases are common and are usually detected by MRI. Diffusion tensor imaging (DTI) is a derivative MRI technique that can detect disruption of white matter tracts in the brain. We have matched preoperative DTI with image-guided sampling of the brain-tumor interface in 26 patients during resection of a brain metastasis and assessed mean diffusivity and fractional anisotropy (FA). The tissue samples were analyzed for vascularity, inflammatory cell infiltration, growth pattern, and tumor expression of proteins associated with growth or local invasion such as Ki67, S100A4, and MMP2, 9, and 13. A lower FA in the peritumoral region indicated more white matter tract disruption and independently predicted longer overall survival times (HR for death = 0.21; 95% confidence interval, 0.06 0.82; P = 0.024). Of all the biological markers studied, only increased density of CD3+ lymphocytes in the same region correlated with decreased FA (Mann-Whitney U, P = 0.037) as well as confounding completely the effect of FA on multivariate survival analyses. We conclude that the T-cell response to brain metastases is not a surrogate of local tumor invasion, primary cancer type, or aggressive phenotype and is associated with patient survival time regardless of these biological factors. Furthermore, it can be assayed by DTI, potentially offering a quick, noninvasive, clinically available method to detect an active immune microenvironment and, in principle, to measure susceptibility to immunotherapy.Significance: These findings show that white matter tract integrity is degraded in areas where T-cell infiltration is highest, providing a noninvasive method to identify immunologically active microenvironments in secondary brain tumors. Cancer Res; 78(3); 610-6. (c)2017 AACR. PMID- 29212856 TI - Tamoxifen Resistance in Breast Cancer Is Regulated by the EZH2-ERalpha-GREB1 Transcriptional Axis. AB - Resistance to cancer treatment can be driven by epigenetic reprogramming of specific transcriptomes in favor of the refractory phenotypes. Here we discover that tamoxifen resistance in breast cancer is driven by a regulatory axis consisting of a master transcription factor, its cofactor, and an epigenetic regulator. The oncogenic histone methyltransferase EZH2 conferred tamoxifen resistance by silencing the expression of the estrogen receptor alpha (ERalpha) cofactor GREB1. In clinical specimens, induction of DNA methylation of a particular CpG-enriched region at the GREB1 promoter negatively correlated with GREB1 levels and cell sensitivity to endocrine agents. GREB1 also ensured proper cellular reactions to different ligands by recruiting distinct sets of ERalpha cofactors to cis-regulatory elements, which explains the contradictory biological effects of GREB1 on breast cancer cell growth in response to estrogen or antiestrogen. In refractory cells, EZH2-dependent repression of GREB1 triggered chromatin reallocation of ERalpha coregulators, converting the antiestrogen into an agonist. In clinical specimens from patients receiving adjuvant tamoxifen treatment, expression levels of EZH2 and GREB1 were correlated negatively, and taken together better predicted patient responses to endocrine therapy. Overall, our work suggests a new strategy to overcome endocrine resistance in metastatic breast cancer by targeting a particular epigenetic program.Significance: This study suggests a new strategy to overcome endocrine resistance in metastatic breast cancer by targeting a particular epigenetic program defined within. Cancer Res; 78(3); 671-84. (c)2017 AACR. PMID- 29212857 TI - Mutational Mechanisms That Activate Wnt Signaling and Predict Outcomes in Colorectal Cancer Patients. AB - APC biallelic loss-of-function mutations are the most prevalent genetic changes in colorectal tumors, but it is unknown whether these mutations phenocopy gain-of function mutations in the CTNNB1 gene encoding beta-catenin that also activate canonical WNT signaling. Here we demonstrate that these two mutational mechanisms are not equivalent. Furthermore, we show how differences in gene expression produced by these different mechanisms can stratify outcomes in more advanced human colorectal cancers. Gene expression profiling in Apc-mutant and Ctnnb1 mutant mouse colon adenomas identified candidate genes for subsequent evaluation of human TCGA (The Cancer Genome Atlas) data for colorectal cancer outcomes. Transcriptional patterns exhibited evidence of activated canonical Wnt signaling in both types of adenomas, with Apc-mutant adenomas also exhibiting unique changes in pathways related to proliferation, cytoskeletal organization, and apoptosis. Apc-mutant adenomas were characterized by increased expression of the glial nexin Serpine2, the human ortholog, which was increased in advanced human colorectal tumors. Our results support the hypothesis that APC-mutant colorectal tumors are transcriptionally distinct from APC-wild-type colorectal tumors with canonical WNT signaling activated by other mechanisms, with possible implications for stratification and prognosis.Significance: These findings suggest that colon adenomas driven by APC mutations are distinct from those driven by WNT gain-of function mutations, with implications for identifying at-risk patients with advanced disease based on gene expression patterns. Cancer Res; 78(3); 617-30. (c)2017 AACR. PMID- 29212858 TI - Decreased EDHF-mediated relaxation is a major mechanism in endothelial dysfunction in resistance arteries in aged mice on prolonged high-fat sucrose diet. AB - High-fat sucrose (HFS) diet in aged individuals causes severe weight gain (obesity) with much higher risk of cardiovascular diseases such as hypertension or atherosclerosis. Endothelial dysfunction is a major contributor for these vascular disorders. We hypothesize that prolonged ingestion of HFS diet by aged mice would accentuate endothelial dysfunction in the small resistance arteries. Male C57BL/6J mice at 12 weeks of age were divided into four groups and fed either normal chow (NC) or high-fat sucrose diet (HFS). Young group received NC for 4 months, and high-fat diet (HFD) for 3 months and 1 month HFS + 10% Sucrose (HFS diet). Aged mice received NC for 12 months. Aged HFS group received HFD for 4 months + 1 month HFD + 10% sucrose + 8 months HFD. Total body weight, plasma blood glucose levels, and glucose tolerance were determined in all groups. Isolated mesenteric arteries were assessed for arterial remodeling, myogenic tone, and vasomotor responses using pressure and wire myography. Both young and aged HFS mice showed impaired glucose tolerance (Y-NC, 137 +/- 8.5 vs. Y-NC HFS, 228 +/- 11.71; A-NC, 148 +/- 6.42 vs. A-HFS, 225 +/- 10.99), as well as hypercholesterolemia (Y-NC 99.50 +/- 6.35 vs. Y-HFS 220.40 +/- 16.34 mg/dL; A-NC 108.6 +/- vs. A-HFS 279 +/- 21.64) and significant weight gain (Y-NC 32.13 +/- 0.8 g vs. Y-HFS 47.87 +/- 2.18 g; A-NC 33.72 vs. A-HFS 56.28 +/- 3.47 g) compared to both groups of mice on NC. The mesenteric artery from mice with prolonged HFS diet resulted in outward hypertrophic remodeling, increased stiffness, reduced myogenic tone, impaired vasodilation, increased contractility and blunted nitric oxide (NO) and EDH-mediated relaxations. Ebselen, a peroxinitrite scavenger rescued the endothelium derived relaxing factor (EDHF)-mediated relaxations. Our findings suggest that prolonged diet-induced obesity of aged mice can worsen small resistance artery endothelial dysfunction due to decrease in NO and EDHF mediated relaxation, but, EDHF-mediated relaxation is a major contributor to overall endothelial dysfunction. PMID- 29212859 TI - Human hair follicle transcriptome profiling: a minimally invasive tool to assess molecular adaptations upon low-volume, high-intensity interval training. AB - High-intensity interval training (HIIT) has become a popular fitness training approach under both civilian and military settings. Consisting of brief and intense exercise intervals, HIIT requires less time commitment yet is able to produce the consistent targeted physical adaptations as conventional endurance training. To effectively characterize and monitor HIIT-induced cellular and molecular responses, a highly accessible yet comprehensive biomarker discovery source is desirable. Both gene differential expression (DE) and gene set (GS) analyses were conducted using hair follicle transcriptome established from pre and postexercise subjects upon a 10-day HIIT program by RNA-Seq, Comparing between pre and posttraining groups, differentially expressed protein coding genes were identified. To interpret the functional significance of the DE results, a comprehensive GS analysis approach featuring multiple algorithms was used to enrich gene ontology (GO) terms and KEGG pathways. The GS analysis revealed enriched themes such as energy metabolism, cell proliferation/growth/survival, muscle adaptations, and cytokine-cytokine interaction, all of which have been previously proposed as HIIT responses. Moreover, related cell signaling pathways were also measured. Specifically, G protein-mediated signal transduction, phosphatidylinositide 3-kinases (PI3K) - protein kinase B (PKB) and Janus kinase (JAK) - Signal Transducer and Activator of Transcription (STAT) signaling cascades were over-represented. Additionally, the RNA-Seq analysis also identified several HIIT-responsive microRNAs (miRNAs) that were involved in regulating hair follicle-specific processes, such as miR 99a For the first time, this study demonstrated that both existing and new biomarkers like miRNA can be explored for HIIT using the transcriptomic responses exhibited by the hair follicle. PMID- 29212860 TI - Reference values of renal tubular function tests are dependent on age and kidney function. AB - Electrolyte disorders due to tubular disorders are rare, and knowledge about validated clinical diagnostic tools such as tubular function tests is sparse. Reference values for tubular function tests are based on studies with small sample size in young healthy volunteers. Patients with tubular disorders, however, frequently are older and can have a compromised renal function. We therefore evaluated four tubular function tests in individuals with different ages and renal function. We performed furosemide, thiazide, furosemide fludrocortisone, and desmopressin tests in healthy individuals aged 18-50 years, healthy individuals aged more than 50 years and individuals with compromised renal function. For each tubular function test we included 10 individuals per group. The responses in young healthy individuals were in line with previously reported values in literature. The maximal increase in fractional chloride excretion after furosemide was below the lower limit of young healthy individuals in 5/10 older subjects and in 2/10 patients with compromised renal function. The maximal increase in fractional chloride excretion after thiazide was below the lower limit of young healthy individuals in 6/10 older subjects and in 7/10 patients with compromised renal function. Median maximal urine osmolality after desmopressin was 1002 mosmol/kg H2O in young healthy individuals, 820 mosmol/kg H2O in older subjects and 624 mosmol/kg H2O in patients with compromised renal function. Reference values for tubular function tests obtained in young healthy adults thus cannot simply be extrapolated to older patients or patients with compromised kidney function. Larger validation studies are needed to define true reference values in these patient categories. PMID- 29212861 TI - Dissecting spinal aneurysms: conservative management as a therapeutic option. AB - OBJECTIVE: Isolated dissecting spinal aneurysms are rare lesions that pose a therapeutic challenge. We report our experience in the management of four patients with dissecting spinal aneurysms. METHODS: After institutional review board approval was obtained, the neurointerventional databases of the two participating institutions were retrospectively reviewed. Aneurysms in the anterior spinal artery, posterior spinal artery, or in a radiculomedullary artery were included in the analysis. Flow-related aneurysms were excluded. Data on clinical presentation, hemorrhage location, aneurysm size, location, angiographic follow-up, re-hemorrhage, and clinical outcome were obtained and analyzed. RESULTS: Four patients with five spinal dissecting aneurysms met the inclusion criteria. There were two women and the mean age was 63 years (range 36-64). All patients presented with hemorrhage. Three radiculomedullary arteries in two different patients had one lesion each; the other two involved the anterior spinal artery and a posterior spinal artery in different patients. All four patients were managed conservatively. Follow-up angiography (5.5 months) demonstrated occlusion of all five aneurysms. There was no re-hemorrhage and all patients had a good outcome at the last follow-up (modified Rankin Scale score 0 2). CONCLUSIONS: Conservative management of ruptured spontaneous dissecting spinal aneurysms is a reasonable therapeutic option capable of achieving favorable angiographic and clinical outcomes. PMID- 29212862 TI - Ataxia with oculomotor apraxia type 2: an evolving axonal neuropathy. AB - A 23-year-old woman had presented initially to a podiatrist complaining of poorly fitting shoes during her adolescence. After extensive neurological review, she was diagnosed with ataxia with oculomotor apraxia type 2. This is a progressive autosomal recessive ataxia associated with cerebellar atrophy, peripheral neuropathy and an elevated serum alpha-fetoprotein. Within Europe, it is the most frequent autosomal recessive ataxia after Friedreich's ataxia and is due to mutations in the senataxin (SETX) gene. The age of onset is approximately 15 years.The diagnosis of oculomotor apraxia type 2 is often challenging. We provide a framework for assessing a young ataxic patient with or without oculomotor apraxia and review clues that will aid diagnosis. The prognosis, level of disability, cancer and immunosuppression risk all markedly differ between the conditions. Patients and their families need the correct diagnosis for genetic counselling, management and long-term surveillance with appropriate subspecialty services. PMID- 29212863 TI - Modelling the implications of reducing smoking prevalence: the benefits of increasing the UK tobacco duty escalator to public health and economic outcomes. AB - INTRODUCTION: Taxing tobacco is one of the most effective ways to reduce smoking prevalence, mitigate its devastating consequential health harms and progress towards a tobacco-free society. This study modelled the health and economic impacts of increasing the existing cigarette tobacco duty escalator (TDE) in the UK from the current 2% above consumer price inflation to 5%. METHODS: A two-stage modelling process was used. First, a non-linear multivariate regression model was fitted to cross-sectional smoking data, creating longitudinal projections from 2015 to 2035. Second, these projections were used to predict the future incidence, prevalence and cost of 17 smoking-related diseases using a Monte Carlo microsimulation approach. A sustained increase in the duty escalator was evaluated against a baseline of continuing historical smoking trends and the existing duty escalator. RESULTS: A sustained increase in the TDE is projected to reduce adult smoking prevalence to 6% in 2035, from 10% in a baseline scenario. After increasing the TDE, only 65% of female and 60% of male would-be smokers would actually be smoking in 2035. The intervention is projected to avoid around 75 200 new cases of smoking-related diseases between 2015 and 2035. In 2035 alone, L49 m in National Health Service and social care costs and L192 m in societal premature mortality and morbidity costs are projected to be avoided. CONCLUSION: Increasing the UK TDE to 5% above inflation could effectively reduce smoking prevalence, prevent diseases and avoid healthcare costs. It would deliver substantial progress towards a tobacco-free society and should be implemented by the UK Government with urgency. PMID- 29212864 TI - Morning sickness is just the side effect of a new tachykinin that the placenta secretes to improve local blood flow. PMID- 29212865 TI - The placenta controls the physiology of pregnancy by increasing the half-life in blood and receptor activity of its secreted peptide hormones. AB - An efficient functioning placenta is essential for a healthy pregnancy and yet the way this is achieved has been the subject of much discussion and confusion, particularly with the occurrence of pathological conditions such as preeclampsia, morning sickness and hyperemesis/ptyalism gravidarum. We will attempt to explain the underlying physiology and the potential roles played by the placental tachykinins, neurokinin B and endokinin. PMID- 29212866 TI - Acquired haemophilia A complicating alemtuzumab therapy for multiple sclerosis. AB - Alemtuzumab is a highly efficacious therapy used in the treatment of multiple sclerosis (MS), but uncoupling of T and B cell repopulation during immune reconstitution associates with an increasing range of secondary B cell-mediated autoimmune complications. A 34-year-old woman developed Graves' disease 11 months following an initial course of alemtuzumab treatment for MS. Nine months following the second treatment with alemtuzumab, the patient presented with spontaneous intramuscular and subcutaneous haemorrhage due to development of an inhibitory autoantibody to coagulation factor VIII. Acquired haemophilia A (AHA) is an extremely rare complication in patients treated with alemtuzumab. Treatment with rituximab may induce a rapid remission of AHA; however, the patient's high John Cunningham virus (JCV) antibody index and alemtuzumab-induced T cell lymphopenia may lead to an increased risk of progressive multifocal leucoencephalopathy, a potential complication which was unacceptable to the patient. PMID- 29212867 TI - Dysphagia lusoria presenting as epigastric pain. PMID- 29212868 TI - Painful testicular metastasis from prostate adenocarcinoma. AB - A 60-year-old man presented with unilateral testicular pain and urinary frequency. His presenting prostate-specific antigen (PSA) was 100 ng/mL, and a biopsy revealed Gleason 4+4 prostate adenocarcinoma. The significance of his initial PSA was somewhat complicated by possible prostatitis and early initiation of bicalutamide. PSA rose on two occasions prior to radiotherapy but coincided with a flare of testicular pain on one of these. Whole-body staging diffusion weighted MRI scan was negative. He was treated with 3 years of androgen deprivation therapy (ADT) and radical radiotherapy. PSA fell to undetectable levels on ADT. Twelve months following completion of ADT, PSA rose to 3.6 ng/mL. No disease recurrence was noted on restaging MRI pelvis. The patient was well, except for persistent testicular symptoms, which failed to resolve following multiple antibiotics. Testicular tumour markers were negative. Ultrasound findings were consistent with chronic epididymitis. A right orchidectomy was performed for symptomatic relief, confirming metastatic prostate adenocarcinoma. PMID- 29212869 TI - Nerve abscess in pure neural leprosy mistaken for peripheral nerve sheath tumour with disastrous consequence: what can we learn? AB - A 34-year-old Indian man presented to an orthopaedician with gradually progressive hypoesthesia affecting his right lower limb and an ipsilateral common peroneal nerve swelling around the knee. The nerve swelling was diagnosed as a peripheral nerve sheath tumour based on MRI findings and was excised, only to be revealed as leprous nerve abscess on histopathology later. The patient developed right foot drop as a result of common peroneal nerve biopsy. This case presents several learning points in the diagnosis of pure neural leprosy. PMID- 29212870 TI - Pathological ECG that seemed normal following electrode misplacement. AB - We report the case of a 57-year-old woman found at home who received an ECG after having recovered from a seizure, without any clinical cardiac anomaly. The ECG revealed an elevation of the ST segment from the V1 to V5 leads and negative T waves from V1 to V5 leads. At her hospital admission, the emergency care unit (ECU) nurse performed another ECG. It no longer showed any repolarisation anomaly. However, the ECU nurse had put the precordial electrodes 3 cm too low, probably due to the patient's voluminous breasts. In the end, the pathological trace reappeared after we returned the electrodes to their initial positions. Malpositioning of the electrodes caused a seemingly normal ECG result with life threatening consequences. PMID- 29212871 TI - Gastric liposarcoma resected by laparoscopic total gastrectomy to achieve a wide surgical margin. AB - Gastric liposarcoma is an extremely rare tumour that usually affects the extremities and retroperitoneum. Preoperative diagnosis is difficult, and operative procedures are not well standardised. A 61-year-old woman presented with melaena, epigastric discomfort and palpitations. Upper endoscopy revealed a submucosal tumour at the posterior gastric fundus with an actively bleeding ulcer on the top. Our preoperative diagnosis was lipoma, and we performed laparoscopic intragastric surgery. However, the histopathological diagnosis was liposarcoma. Laparoscopic total gastrectomy was performed to achieve a wide surgical margin. Several recent series have shown that a positive microscopic margin is associated with a higher rate of local recurrence than a negative margin. We have added a staged operation to obtain a wide margin in cases involving a positive surgical margin. Preoperative diagnosis of liposarcoma is still challenging. Gastric lipoma-like tumours should be resected with a wide margin because of their possibility of malignancy. PMID- 29212872 TI - Parotid gland: an unusual site of breast cancer metastasis. AB - Parotid gland metastases from breast cancer are an extremely rare and unusual event with a limited number of cases recorded in the literature. A 71-year-old woman with a history of ductal adenocarcinoma of the left breast presented to the maxillofacial clinic with an asymptomatic swelling of the left parotid gland. The presentation occurred 21 years after she underwent treatment for recurrent breast cancer. Investigations led to the diagnosis of a breast cancer metastasis which was oestrogen receptor and progesterone receptor positive and negative. Positron emission tomography scan confirmed this as a solitary metastasis. She was treated with aromatase inhibitors and a stable clinical response was observed on follow up. Surgical intervention was avoided with its potential complications such as facial nerve injury. Metastasis from breast cancer to the parotid gland is a very rare phenomenon. However, in a patient with previous breast cancer, it should be considered as a possible differential diagnosis. PMID- 29212873 TI - Lentiform fork sign due to severe metabolic acidosis. PMID- 29212874 TI - The Na+(K+)/H+ exchanger Nhx1 controls multivesicular body-vacuolar lysosome fusion. AB - Loss-of-function mutations in human endosomal Na+(K+)/H+ exchangers (NHEs) NHE6 and NHE9 are implicated in neurological disorders including Christianson syndrome, autism, and attention deficit and hyperactivity disorder. These mutations disrupt retention of surface receptors within neurons and glial cells by affecting their delivery to lysosomes for degradation. However, the molecular basis of how these endosomal NHEs control endocytic trafficking is unclear. Using Saccharomyces cerevisiae as a model, we conducted cell-free organelle fusion assays to show that transport activity of the orthologous endosomal NHE Nhx1 is important for multivesicular body (MVB)-vacuolar lysosome fusion, the last step of endocytosis required for surface protein degradation. We find that deleting Nhx1 disrupts the fusogenicity of the MVB, not the vacuole, by targeting pH sensitive machinery downstream of the Rab-GTPase Ypt7 needed for SNARE-mediated lipid bilayer merger. All contributing mechanisms are evolutionarily conserved offering new insight into the etiology of human disorders linked to loss of endosomal NHE function. PMID- 29212875 TI - IMiQ: a novel protein quality control compartment protecting mitochondrial functional integrity. AB - Aggregation processes can cause severe perturbations of cellular homeostasis and are frequently associated with diseases. We performed a comprehensive analysis of mitochondrial quality and function in the presence of aggregation-prone polypeptides. Despite a significant aggregate formation inside mitochondria, we observed only a minor impairment of mitochondrial function. Detoxification of aggregated reporter polypeptides as well as misfolded endogenous proteins inside mitochondria takes place via their sequestration into a specific organellar deposit site we termed intramitochondrial protein quality control compartment (IMiQ). Only minor amounts of endogenous proteins coaggregated with IMiQ deposits and neither resolubilization nor degradation by the mitochondrial protein quality control system were observed. The single IMiQ aggregate deposit was not transferred to daughter cells during cell division. Detoxification of aggregates via IMiQ formation was highly dependent on a functional mitochondrial fission machinery. We conclude that the formation of an aggregate deposit is an important mechanism to maintain full functionality of mitochondria under proteotoxic stress conditions. PMID- 29212876 TI - Egr-1 mediates leptin-induced PPARgamma reduction and proliferation of pulmonary artery smooth muscle cells. AB - Loss of peroxisome proliferator-activated receptor gamma (PPARgamma) has been found to contribute to pulmonary artery smooth muscle cell (PASMC) proliferation and pulmonary arterial remodeling therefore the development of pulmonary hypertension (PH). Yet, the molecular mechanisms underlying PPARgamma reduction in PASMC remain poorly understood. Here, we demonstrated that leptin dose- and time-dependently inducued PPARgamma down-regulation and proliferation of primary cultured rat PASMC, this was accompanied with the activation of extracellular regulated kinase1/2 (ERK1/2) signaling pathway and subsequent induction of early growth response-1 (Egr-1) expression. The presence of MEK inhibitors U0126 or PD98059, or prior silencing Egr-1 with small interfering RNA suppressed leptin induced PPARgamma reduction. In addition, activation of PPARgamma by pioglitazone or targeting ERK1/2/Egr-1 suppressed leptin-induced PASMC proliferation. Taken together, our study indicates that ERK1/2 signaling pathway-mediated leptin induced PPARgamma reduction and PASMC proliferation through up-regulation of Egr 1 and suggests that targeting leptin/ERK1/2/Egr-1 pathway might have potential value in ameliorating vascular remodeling and benefit PH. PMID- 29212877 TI - High-speed superresolution imaging of the proteins in fission yeast clathrin mediated endocytic actin patches. AB - To internalize nutrients and cell surface receptors via clathrin-mediated endocytosis, cells assemble at least 50 proteins, including clathrin, clathrin interacting proteins, actin filaments, and actin binding proteins, in a highly ordered and regulated manner. The molecular mechanism by which actin filament polymerization deforms the cell membrane is unknown, largely due to lack of knowledge about the organization of the regulatory proteins and actin filaments. We used high-speed superresolution localization microscopy of live fission yeast cells to improve the spatial resolution to ~35 nm with 1-s temporal resolution. The nucleation promoting factors Wsp1p (WASp) and Myo1p (myosin-I) define two independent pathways that recruit Arp2/3 complex, which assembles two zones of actin filaments. Myo1p concentrates at the site of endocytosis and initiates a zone of actin filaments assembled by Arp2/3 complex. Wsp1p appears simultaneously at this site but subsequently moves away from the cell surface as it stimulates Arp2/3 complex to assemble a second zone of actin filaments. Cells lacking either nucleation-promoting factor assemble only one, stationary, zone of actin filaments. These observations support our two-zone hypothesis to explain endocytic tubule elongation and vesicle scission in fission yeast. PMID- 29212880 TI - Standardizing the Evaluation of Nonaccidental Trauma in a Large Pediatric Emergency Department. AB - BACKGROUND AND OBJECTIVES: Variability exists in the evaluation of nonaccidental trauma (NAT) in the pediatric emergency department because of misconceptions and individual bias of clinicians. Further maltreatment, injury, and death can ensue if these children are not evaluated appropriately. The implementation of guidelines for NAT evaluation has been successful in decreasing differences in care as influenced by race and ethnicity of the patient and their family. Our Specific, Measurable, Achievable, Realistic, and Timely aim was to increase the percent of patients evaluated in the emergency department for NAT who receive guideline-adherent evaluation from 47% to 80% by December 31, 2016. METHODS: The team determined key drivers for the project and tested them by using multiple plan-do-study-act cycles. Interventions included construction of a best practice guideline, provider education, integration of the guideline into workflow, and order set construction to support guideline recommendations. Data were compiled from electronic medical records to identify patients <3 years of age evaluated in the pediatric emergency department for suspected NAT based on chart review. Adherence to guideline recommendations for age-specific evaluation (<6, 6-12, and >12-36 months) was tracked over time on statistical process control charts to evaluate the impact of the interventions. RESULTS: A total of 640 encounters had provider concern for NAT and were included in the analysis. Adherence to age specific guideline recommendations improved from a baseline of 47% to 69%. CONCLUSIONS: With our improvement methodology, we successfully increased guideline-adherent evaluation for patients with provider concern for NAT. Education and electronic support at the point of care were key drivers for initial implementation. PMID- 29212878 TI - A complex molecular switch directs stress-induced cyclin C nuclear release through SCFGrr1-mediated degradation of Med13. AB - In response to oxidative stress, cells decide whether to mount a survival or cell death response. The conserved cyclin C and its kinase partner Cdk8 play a key role in this decision. Both are members of the Cdk8 kinase module, which, with Med12 and Med13, associate with the core mediator complex of RNA polymerase II. In Saccharomyces cerevisiae, oxidative stress triggers Med13 destruction, which thereafter releases cyclin C into the cytoplasm. Cytoplasmic cyclin C associates with mitochondria, where it induces hyperfragmentation and regulated cell death. In this report, we show that residues 742-844 of Med13's 600-amino acid intrinsic disordered region (IDR) both directs cyclin C-Cdk8 association and serves as the degron that mediates ubiquitin ligase SCFGrr1-dependent destruction of Med13 following oxidative stress. Here, cyclin C-Cdk8 phosphorylation of Med13 most likely primes the phosphodegron for destruction. Next, pro-oxidant stimulation of the cell wall integrity pathway MAP kinase Slt2 initially phosphorylates cyclin C to trigger its release from Med13. Thereafter, Med13 itself is modified by Slt2 to stimulate SCFGrr1-mediated destruction. Taken together, these results support a model in which this IDR of Med13 plays a key role in controlling a molecular switch that dictates cell fate following exposure to adverse environments. PMID- 29212879 TI - Single-molecule measurements of the effect of force on Thy-1/alphavbeta3-integrin interaction using nonpurified proteins. AB - Thy-1 and alphavbeta3 integrin mediate bidirectional cell-to-cell communication between neurons and astrocytes. Thy-1/alphavbeta3 interactions stimulate astrocyte migration and the retraction of neuronal prolongations, both processes in which internal forces are generated affecting the bimolecular interactions that maintain cell-cell adhesion. Nonetheless, how the Thy-1/alphavbeta3 interactions respond to mechanical cues is an unresolved issue. In this study, optical tweezers were used as a single-molecule force transducer, and the Dudko Hummer-Szabo model was applied to calculate the kinetic parameters of Thy 1/alphavbeta3 dissociation. A novel experimental strategy was implemented to analyze the interaction of Thy-1-Fc with nonpurified alphavbeta3-Fc integrin, whereby nonspecific rupture events were corrected by using a new mathematical approach. This methodology permitted accurately estimating specific rupture forces for Thy-1-Fc/alphavbeta3-Fc dissociation and calculating the kinetic and transition state parameters. Force exponentially accelerated Thy-1/alphavbeta3 dissociation, indicating slip bond behavior. Importantly, nonspecific interactions were detected even for purified proteins, highlighting the importance of correcting for such interactions. In conclusion, we describe a new strategy to characterize the response of bimolecular interactions to forces even in the presence of nonspecific binding events. By defining how force regulates Thy-1/alphavbeta3 integrin binding, we provide an initial step towards understanding how the neuron-astrocyte pair senses and responds to mechanical cues. PMID- 29212881 TI - Risk of Rotavirus Nosocomial Spread After Inpatient Pentavalent Rotavirus Vaccination. AB - BACKGROUND: Infants born prematurely or with underlying conditions are at increased risk of severe rotavirus disease and associated complications. Given the theoretical risk of nosocomial transmission of vaccine-type rotavirus, rotavirus vaccination is recommended for infants at or after discharge from neonatal care settings. Because the first dose should be administered by 104 days of age, some infants may be age-ineligible for vaccination if delayed until discharge. METHODS: This prospective cohort included infants admitted to an urban academic medical center between birth and 104 days who received care in intensive care settings. Pentavalent human-bovine reassortant rotavirus vaccine (RV5) was used, per routine clinical care. Stool specimens were collected weekly (February 2013-April 2014) and analyzed for rotavirus strains using real-time reverse transcription-polymerase chain reaction. Demographic and vaccine data were collected. RV5 safety was not assessed. RESULTS: Of 385 study infants, 127 were age-eligible for routine vaccinations during hospitalization. At discharge, 32.7% were up-to-date for rotavirus vaccination, compared with 82.7% for other vaccinations. Of rotavirus-unvaccinated infants, 42.6% were discharged at age >104 days and thus vaccination-ineligible. Of 1192 stool specimens collected, rotavirus was detected in 13 (1.1%): 1 wild-type strain from an unvaccinated infant; 12 vaccine-type strains from 9 RV5-vaccinated infants. No vaccine-type rotavirus cases were observed among unvaccinated infants (incidence rate: 0.0 [95% confidence interval: 0.0-1.5] cases per 1000 patient days at risk). CONCLUSIONS: These data suggest that delaying rotavirus vaccination until discharge from the hospital could lead to missed vaccination opportunities and may be unnecessary in institutions using RV5 with comparable infection control standards. PMID- 29212882 TI - Rotavirus Immunization for Hospitalized Infants: Are We There Yet? PMID- 29212883 TI - Half a Century of IUPS. PMID- 29212884 TI - Return Physiology to Center Stage: Some Personal Thoughts. PMID- 29212885 TI - Global Status of Physiology in Research, Education, and Outreach. PMID- 29212886 TI - Lactate, not Lactic Acid, is Produced by Cellular Cytosolic Energy Catabolism. PMID- 29212887 TI - Reply to Robergs et al. PMID- 29212888 TI - Physiology in Perspective: Stem Cells and Regenerative Physiology. PMID- 29212889 TI - Stem Cell Differentiation is Regulated by Extracellular Matrix Mechanics. AB - Stem cells mechanosense the stiffness of their microenvironment, which impacts differentiation. Although tissue hydration anti-correlates with stiffness, extracellular matrix (ECM) stiffness is clearly transduced into gene expression via adhesion and cytoskeleton proteins that tune fates. Cytoskeletal reorganization of ECM can create heterogeneity and influence fates, with fibrosis being one extreme. PMID- 29212892 TI - The Underlying Genetics of Drosophila Circadian Behaviors. AB - Life is shaped by circadian clocks. This review focuses on how behavioral genetics in the fruit fly unveiled what is known today about circadian physiology. We will briefly summarize basic properties of the clock and focus on some clock-controlled behaviors to highlight how communication between central and peripheral oscillators defines their properties. PMID- 29212891 TI - Bypassing Border Control: Nuclear Envelope Rupture in Disease. AB - Recent observations in laminopathy patient cells and cancer cells have revealed that the nuclear envelope (NE) can transiently rupture during interphase. NE rupture leads to an uncoordinated exchange of nuclear and cytoplasmic material, thereby deregulating cellular homeostasis. Moreover, concurrently inflicted DNA damage could prime rupture-prone cells for genome instability. Thus, NE rupture may represent a novel pathogenic mechanism that has far-reaching consequences for cell and organism physiology. PMID- 29212893 TI - Comparative Physiology of Nociception and Pain. AB - The study of diverse animal groups allows us to discern the evolution of the neurobiology of nociception. Nociception functions as an important alarm system alerting the individual to potential and actual tissue damage. All animals possess nociceptors, and, in some animal groups, it has been demonstrated that there are consistent physiological mechanisms underpinning the nociceptive system. This review considers the comparative biology of nociception and pain from an evolutionary perspective. PMID- 29212890 TI - Starring or Supporting Role? Satellite Cells and Skeletal Muscle Fiber Size Regulation. AB - Recent loss-of-function studies show that satellite cell depletion does not promote sarcopenia or unloading-induced atrophy, and does not prevent regrowth. Although overload-induced muscle fiber hypertrophy is normally associated with satellite cell-mediated myonuclear accretion, hypertrophic adaptation proceeds in the absence of satellite cells in fully grown adult mice, but not in young growing mice. Emerging evidence also indicates that satellite cells play an important role in remodeling the extracellular matrix during hypertrophy. PMID- 29212894 TI - HIV and Cardiovascular Disease: Role of Immunometabolic Perturbations. AB - The successful rollout of anti-retroviral therapy ensured that HIV is increasingly managed as a chronic condition. HIV-positive persons are therefore exhibiting increased cardiovascular complications. This review focuses on the emerging role of "immunometabolism" within the context of HIV-related immune dysregulation and cardiovascular disease onset. Here, persistent immune activation contributes to pathophysiological perturbations during early infection, resulting in immune cell metabolic reprogramming and the activation of coagulation pathways in HIV-positive individuals. PMID- 29212895 TI - Functional Metabolomics Characterizes a Key Role for N-Acetylneuraminic Acid in Coronary Artery Diseases. AB - BACKGROUND: As new biomarkers of coronary artery diseases (CAD) emerge via metabolomics, the underlying functional mechanisms remain to be elucidated. Functional metabolomics aims to translate metabolomics-derived biomarkers to disease mechanisms. METHODS: A cohort of 2324 patients who underwent coronary angiography from 4 independent centers was studied. A combination of ultra performance liquid chromatography and quadrupole time-of-flight mass spectrometry in the negative ion mode was used for untargeted analysis of metabolites in plasma. Significant differential metabolites were identified by cross-comparisons with and within CAD types, including normal coronary artery, nonobstructvie coronary atherosclerosis, stable angina, unstable angina, and acute myocardial infarction. A tandem liquid chromatography-mass spectrometry-based approach using isotope-labeled standard addition was subsequently performed for targeted analysis of the metabolic marker N-acetylneuraminic acid (Neu5Ac). A functional metabolomics strategy was proposed to investigate the role of Neu5Ac in the progression of CAD by using in vitro and in vivo models. RESULTS: We identified a total of 36 differential metabolites, 35 of which were confirmed with reference compounds. Elevation of Neu5Ac was observed in plasma during CAD progression in center 1 (P=4.0e-64, n=2019) and replicated in 3 independent centers (n=305). The increased level of Neu5Ac in plasma was confirmed by accurate targeted quantification. Mechanistically, Neu5Ac was able to trigger myocardial injury in vitro and in vivo by activation of the Rho/Rho-associated coiled-coil containing protein kinase signaling pathway through binding to RhoA and Cdc42, but not Rac1. Silencing neuraminidase-1, the enzyme that regulates Neu5Ac generation, ameliorated oxygen-glucose deprivation-induced injury in cardiomyocytes and ligation/isoprenaline-induced myocardial ischemia injury in rats. Pharmacological inhibition of neuraminidase by anti-influenza drugs, oseltamivir and zanamivir, also protected cardiomyocytes and the heart from myocardial injury. CONCLUSIONS: Functional metabolomics identified a key role for Neu5Ac in acute myocardial infarction, and targeting neuraminidase-1 may represent an unrecognized therapeutic intervention for CAD. PMID- 29212896 TI - Novel Desmin Mutation p.Glu401Asp Impairs Filament Formation, Disrupts Cell Membrane Integrity, and Causes Severe Arrhythmogenic Left Ventricular Cardiomyopathy/Dysplasia. AB - BACKGROUND: Desmin (DES) mutations cause severe skeletal and cardiac muscle disease with heterogeneous phenotypes. Recently, DES mutations were described in patients with inherited arrhythmogenic right ventricular cardiomyopathy/dysplasia, although their cellular and molecular pathomechanisms are not precisely known. Our aim is to describe clinically and functionally the novel DES-p.Glu401Asp mutation as a cause of inherited left ventricular arrhythmogenic cardiomyopathy/dysplasia. METHODS: We identified the novel DES mutation p.Glu401Asp in a large Spanish family with inherited left ventricular arrhythmogenic cardiomyopathy/dysplasia and a high incidence of adverse cardiac events. A full clinical evaluation was performed on all mutation carriers and noncarriers to establish clinical and genetic cosegregation. In addition, desmin, and intercalar disc-related proteins expression were histologically analyzed in explanted cardiac tissue affected by the DES mutation. Furthermore, mesenchymal stem cells were isolated and cultured from 2 family members with the DES mutation (1 with mild and 1 with severe symptomatology) and a member without the mutation (control) and differentiated ex vivo to cardiomyocytes. Then, important genes related to cardiac differentiation and function were analyzed by real-time quantitative polymerase chain reaction. Finally, the p.Glu401Asp mutated DES gene was transfected into cell lines and analyzed by confocal microscopy. RESULTS: Of the 66 family members screened for the DES-p.Glu401Asp mutation, 23 of them were positive, 6 were obligate carriers, and 2 were likely carriers. One hundred percent of genotype-positive patients presented data consistent with inherited arrhythmogenic cardiomyopathy/dysplasia phenotype with variable disease severity expression, high-incidence of sudden cardiac death, and absence of skeletal myopathy or conduction system disorders. Immunohistochemistry was compatible with inherited arrhythmogenic cardiomyopathy/dysplasia, and the functional study showed an abnormal growth pattern and cellular adhesion, reduced desmin RNA expression, and some other membrane proteins, as well, and desmin aggregates in transfected cells expressing the mutant desmin. CONCLUSIONS: The DES-p.Glu401Asp mutation causes predominant inherited left ventricular arrhythmogenic cardiomyopathy/dysplasia with a high incidence of adverse clinical events in the absence of skeletal myopathy or conduction system disorders. The pathogenic mechanism probably corresponds to an alteration in desmin dimer and oligomer assembly and its connection with membrane proteins within the intercalated disc. PMID- 29212897 TI - Genetic Variants Contributing to Circulating Matrix Metalloproteinase 8 Levels and Their Association With Cardiovascular Diseases: A Genome-Wide Analysis. AB - BACKGROUND: Matrix metalloproteinase 8 (MMP-8) is a proinflammatory enzyme expressed mainly by neutrophils. Elevated serum and plasma concentrations of MMP 8 are associated with the risk for and outcome of cardiovascular diseases (CVDs). The origin of circulating MMP-8 is not completely clear. METHODS AND RESULTS: We performed a genome-wide association study of serum MMP-8 levels in 2 populations comprising altogether 6049 individuals. Moreover, we studied whether MMP-8 associated variants are linked to increased risk of CVDs and overall mortality in >20 000 subjects. The strongest association with serum MMP-8 was found in locus 1q31.3, containing the gene for complement factor H (lead single nucleotide polymorphism: rs800292; P=2.4*10-35). In functional experiments, activation of the alternative pathway of complement in the carriers of rs800292 minor allele (Ile62 in factor H) led to decreased release of MMP-8 from neutrophils compared with the major allele (Val62 in factor H). Another association was detected in 1q21.3, containing genes S100A8, S100A9, and S100A12 (strongest association: rs1560833; P=5.3*10-15). The minor allele of rs1560833 was inversely associated with CVD (odds ratio [95% confidence interval]: 0.90 [0.82-0.99]; P=0.032) and the time to incident CVD event (hazard ratio [95% confidence interval]: 0.91 [0.84-0.99]; P=0.032) in men but not in women. CONCLUSIONS: According to our results, the activation of the alternative pathway of the complement system strongly contributes to serum MMP-8 concentration. Genetic polymorphism in S100A9 S100A12-S100A8 locus affects serum and plasma MMP-8 and shows a suggestive association with the risk of CVDs. Our results show that genetic variation determines a significant portion of circulating MMP-8 concentrations. PMID- 29212898 TI - Genetic Testing in Pediatric Left Ventricular Noncompaction. AB - BACKGROUND: Left ventricular noncompaction (LVNC) can occur in isolation or can co-occur with a cardiomyopathy phenotype or cardiovascular malformation. The yield of cardiomyopathy gene panel testing in infants, children, and adolescents with a diagnosis of LVNC is unknown. By characterizing a pediatric population with LVNC, we sought to determine the yield of cardiomyopathy gene panel testing, distinguish the yield of testing for LVNC with or without co-occurring cardiac findings, and define additional factors influencing genetic testing yield. METHODS AND RESULTS: One hundred twenty-eight individuals diagnosed with LVNC at <=21 years of age were identified, including 59% with idiopathic pathogenesis, 32% with familial disease, and 9% with a syndromic or metabolic diagnosis. Overall, 75 individuals had either cardiomyopathy gene panel (n=65) or known variant testing (n=10). The yield of cardiomyopathy gene panel testing was 9%. The severity of LVNC by imaging criteria was not associated with positive genetic testing, co-occurring cardiac features, pathogenesis, family history, or myocardial dysfunction. Individuals with isolated LVNC were significantly less likely to have a positive genetic testing result compared with those with LVNC and co-occurring cardiomyopathy (0% versus 12%, respectively; P<0.01). CONCLUSIONS: Genetic testing should be considered in individuals with cardiomyopathy co-occurring with LVNC. These data do not suggest an indication for cardiomyopathy gene panel testing in individuals with isolated LVNC in the absence of a family history of cardiomyopathy. PMID- 29212901 TI - FLNC (Filamin-C): A New(er) Player in the Field of Genetic Cardiomyopathies. PMID- 29212899 TI - Novel Mutation in FLNC (Filamin C) Causes Familial Restrictive Cardiomyopathy. AB - BACKGROUND: Restrictive cardiomyopathy (RCM) is a rare cardiomyopathy characterized by impaired diastolic ventricular function resulting in a poor clinical prognosis. Rarely, heritable forms of RCM have been reported, and mutations underlying RCM have been identified in genes that govern the contractile function of the cardiomyocytes. METHODS AND RESULTS: We evaluated 8 family members across 4 generations by history, physical examination, electrocardiography, and echocardiography. Affected individuals presented with a pleitropic syndrome of progressive RCM, atrioventricular septal defects, and a high prevalence of atrial fibrillation. Exome sequencing of 5 affected members identified a single novel missense variant in a highly conserved residue of FLNC (filamin C; p.V2297M). FLNC encodes filamin C-a protein that acts as both a scaffold for the assembly and organization of the central contractile unit of striated muscle and also as a mechanosensitive signaling molecule during cell migration and shear stress. Immunohistochemical analysis of FLNC localization in cardiac tissue from an affected family member revealed a diminished localization at the z disk, whereas traditional localization at the intercalated disk was preserved. Stem cell-derived cardiomyocytes mutated to carry the effect allele had diminished contractile activity when compared with controls. CONCLUSION: We have identified a novel variant in FLNC as pathogenic variant for familial RCM-a finding that further expands on the genetic basis of this rare and morbid cardiomyopathy. PMID- 29212902 TI - Is Left Ventricular Noncompaction a Trait, Phenotype, or Disease? The Evidence Points to Phenotype. PMID- 29212900 TI - Genome-Wide Gene-Potassium Interaction Analyses on Blood Pressure: The GenSalt Study (Genetic Epidemiology Network of Salt Sensitivity). AB - BACKGROUND: Gene-environmental interaction analysis can identify novel genetic factors for blood pressure (BP). We performed genome-wide analyses to identify genomic loci that interact with potassium to influence BP using single-marker (1 and 2 df joint tests) and gene-based tests among Chinese participants of the GenSalt study (Genetic Epidemiology Network of Salt Sensitivity). METHODS AND RESULTS: Among 1876 GenSalt participants, the average of 3 urine samples was used to estimate potassium excretion. Nine BP measurements were taken using a random zero sphygmomanometer. A total of 2.2 million single nucleotide polymorphisms were imputed using Affymetrix 6.0 genotype data and the Chinese Han of Beijing and Japanese of Tokyo HapMap reference panel. Promising findings (P<1.00*10-4) from GenSalt were evaluated for replication among 775 Chinese participants of the MESA (Multi-ethnic Study of Atherosclerosis). Single nucleotide polymorphism and gene-based results were meta-analyzed across the GenSalt and MESA studies to determine genome-wide significance. The 1 df tests identified interactions for ARL15 rs16882447 on systolic BP (P=2.83*10-9) and RANBP3L rs958929 on pulse pressure (P=1.58*10-8). The 2 df tests confirmed the ARL15 rs16882447 signal for systolic BP (P=1.15*10-9). Genome-wide gene-based analysis identified CC2D2A (P=2.59*10-7) at 4p15.32 and BNC2 (P=4.49*10-10) at 9p22.2 for systolic BP, GGNBP1 (P=1.18*10-8), and LINC00336 (P=1.36*10-8) at 6p21 for diastolic BP, DAB1 (P=1.05*10-13) at 1p32.2, and MIR4466 (P=5.34*10-8) at 6q25.3 for pulse pressure. The BNC2 (P=3.57*10-8) gene was also significant for mean arterial pressure. CONCLUSIONS: We identified 2 novel BP loci and 6 genes through the examination of single nucleotide polymorphism- and gene-based interactions with potassium. PMID- 29212903 TI - Cardiovascular Risk and Matrix Metalloproteinase Polymorphisms: Not Just a Simple Substitution. PMID- 29212904 TI - Dendritic Cell RIPK1 Maintains Immune Homeostasis by Preventing Inflammation and Autoimmunity. AB - Necroptosis is a form of cell death associated with inflammation; however, the biological consequences of chronic necroptosis are unknown. Necroptosis is mediated by RIPK1, RIPK3, and MLKL kinases but in hematopoietic cells RIPK1 has anti-inflammatory roles and functions to prevent necroptosis. Here we interrogate the consequences of chronic necroptosis on immune homeostasis by deleting Ripk1 in mouse dendritic cells. We demonstrate that deregulated necroptosis results in systemic inflammation, tissue fibrosis, and autoimmunity. We show that inflammation and autoimmunity are prevented upon expression of kinase inactive RIPK1 or deletion of RIPK3 or MLKL. We provide evidence that the inflammation is not driven by microbial ligands, but depends on the release of danger-associated molecular patterns and MyD88-dependent signaling. Importantly, although the inflammation is independent of type I IFN and the nucleic acid sensing TLRs, blocking these pathways rescues the autoimmunity. These mouse genetic studies reveal that chronic necroptosis may underlie human fibrotic and autoimmune disorders. PMID- 29212905 TI - Cyclic GMP-AMP Synthase Is the Cytosolic Sensor of Plasmodium falciparum Genomic DNA and Activates Type I IFN in Malaria. AB - Innate immune receptors have a key role in the sensing of malaria and initiating immune responses. As a consequence of infection, systemic inflammation emerges and is directly related to signs and symptoms during acute disease. We have previously reported that plasmodial DNA is the primary driver of systemic inflammation in malaria, both within the phagolysosome and in the cytosol of effector cells. In this article, we demonstrate that Plasmodium falciparum genomic DNA delivered to the cytosol of human monocytes binds and activates cyclic GMP-AMP synthase (cGAS). Activated cGAS synthesizes 2'3'-cGAMP, which we subsequently can detect using liquid chromatography-tandem mass spectrometry. 2'3'-cGAMP acts as a second messenger for STING activation and triggers TBK1/IRF3 activation, resulting in type I IFN production in human cells. This induction of type I IFN was independent of IFI16. Access of DNA to the cytosolic compartment is mediated by hemozoin, because incubation of purified malaria pigment with DNase abrogated IFN-beta induction. Collectively, these observations implicate cGAS as an important cytosolic sensor of P. falciparum genomic DNA and reveal the role of the cGAS/STING pathway in the induction of type I IFN in response to malaria parasites. PMID- 29212906 TI - Osteoblasts Are Rapidly Ablated by Virus-Induced Systemic Inflammation following Lymphocytic Choriomeningitis Virus or Pneumonia Virus of Mice Infection in Mice. AB - A link between inflammatory disease and bone loss is now recognized. However, limited data exist on the impact of virus infection on bone loss and regeneration. Bone loss results from an imbalance in remodeling, the physiological process whereby the skeleton undergoes continual cycles of formation and resorption. The specific molecular and cellular mechanisms linking virus-induced inflammation to bone loss remain unclear. In the current study, we provide evidence that infection of mice with either lymphocytic choriomeningitis virus (LCMV) or pneumonia virus of mice (PVM) resulted in rapid and substantial loss of osteoblasts from the bone surface. Osteoblast ablation was associated with elevated levels of circulating inflammatory cytokines, including TNF-alpha, IFN-gamma, IL-6, and CCL2. Both LCMV and PVM infections resulted in reduced osteoblast-specific gene expression in bone, loss of osteoblasts, and reduced serum markers of bone formation, including osteocalcin and procollagen type 1 N propeptide. Infection of Rag-1-deficient mice (which lack adaptive immune cells) or specific depletion of CD8+ T lymphocytes limited osteoblast loss associated with LCMV infection. By contrast, CD8+ T cell depletion had no apparent impact on osteoblast ablation in association with PVM infection. In summary, our data demonstrate dramatic loss of osteoblasts in response to virus infection and associated systemic inflammation. Further, the inflammatory mechanisms mediating viral infection-induced bone loss depend on the specific inflammatory condition. PMID- 29212907 TI - Role of the EHD Family of Endocytic Recycling Regulators for TCR Recycling and T Cell Function. AB - T cells use the endocytic pathway for key cell biological functions, including receptor turnover and maintenance of the immunological synapse. Some of the established players include the Rab GTPases, the SNARE complex proteins, and others, which function together with EPS-15 homology domain-containing (EHD) proteins in non-T cell systems. To date, the role of the EHD protein family in T cell function remains unexplored. We generated conditional EHD1/3/4 knockout mice using CD4-Cre and crossed these with mice bearing a myelin oligodendrocyte glycoprotein-specific TCR transgene. We found that CD4+ T cells from these mice exhibited reduced Ag-driven proliferation and IL-2 secretion in vitro. In vivo, these mice exhibited reduced severity of experimental autoimmune encephalomyelitis. Further analyses showed that recycling of the TCR-CD3 complex was impaired, leading to increased lysosomal targeting and reduced surface levels on CD4+ T cells of EHD1/3/4 knockout mice. Our studies reveal a novel role of the EHD family of endocytic recycling regulatory proteins in TCR-mediated T cell functions. PMID- 29212908 TI - Naive CD4+ T Cells Carrying a TLR2 Agonist Overcome TGF-beta-Mediated Tumor Immune Evasion. AB - TLR agonists are effective at treating superficial cancerous lesions, but their use internally for other types of tumors remains challenging because of toxicity. In this article, we report that murine and human naive CD4+ T cells that sequester Pam3Cys4 (CD4+ TPam3) become primed for Th1 differentiation. CD4+ TPam3 cells encoding the OVA-specific TCR OT2, when transferred into mice bearing established TGF-beta-OVA-expressing thymomas, produce high amounts of IFN-gamma and sensitize tumors to PD-1/programmed cell death ligand 1 blockade-induced rejection. In contrast, naive OT2 cells without Pam3Cys4 cargo are prone to TGF beta-dependent inducible regulatory Foxp3+ CD4+ T cell conversion and accelerate tumor growth that is largely unaffected by PD-1/programmed cell death ligand 1 blockade. Ex vivo analysis reveals that CD4+ TPam3 cells are resistant to TGF beta-mediated gene expression through Akt activation controlled by inputs from the TCR and a TLR2-MyD88-dependent PI3K signaling pathway. These data show that CD4+ TPam3 cells are capable of Th1 differentiation in the presence of TGF-beta, suggesting a novel approach to adoptive cell therapy. PMID- 29212909 TI - PD-L1 Prevents the Development of Autoimmune Heart Disease in Graft-versus-Host Disease. AB - Effector memory T cells (TEM) are less capable of inducing graft-versus-host disease (GVHD) compared with naive T cells (TN). Previously, in the TS1 TCR transgenic model of GVHD, wherein TS1 CD4 cells specific for a model minor histocompatibility Ag (miHA) induce GVHD in miHA-positive recipients, we found that cell-intrinsic properties of TS1 TEM reduced their GVHD potency relative to TS1 TN Posttransplant, TS1 TEM progeny expressed higher levels of PD-1 than did TS1 TN progeny, leading us to test the hypothesis that TEM induce less GVHD because of increased sensitivity to PD-ligands. In this study, we tested this hypothesis and found that indeed TS1 TEM induced more severe skin and liver GVHD in the absence of PD-ligands. However, lack of PD-ligands did not result in early weight loss and colon GVHD comparable to that induced by TS1 TN, indicating that additional pathways restrain alloreactive TEM TS1 TN also caused more severe GVHD without PD-ligands. The absence of PD-ligands on donor bone marrow was sufficient to augment GVHD caused by either TEM or TN, indicating that donor PD-ligand expressing APCs critically regulate GVHD. In the absence of PD-ligands, both TS1 TEM and TN induced late-onset myocarditis. Surprisingly, this was an autoimmune manifestation, because its development required non-TS1 polyclonal CD8+ T cells. Myocarditis development also required donor bone marrow to be PD-ligand deficient, demonstrating the importance of donor APC regulatory function. In summary, PD-ligands suppress both miHA-directed GVHD and the development of alloimmunity-induced autoimmunity after allogeneic hematopoietic transplantation. PMID- 29212911 TI - A Role of NKR-P1A (CD161) and Lectin-like Transcript 1 in Natural Cytotoxicity against Human Articular Chondrocytes. AB - Normal cartilage cells are susceptible to lysis by NK cells. This phenomenon may play a role in immune cartilage destruction; however, the mechanisms of chondrocyte recognition by NK cells remain poorly understood. Therefore, the aim of this study was to reveal a possible role of NKR-P1A/lectin-like transcript 1 (LLT1) interaction in NK cell-mediated cytotoxicity against normal human articular chondrocytes. Chondrocytes were isolated from articular cartilage obtained during talonavicular joint surgery. PBMC or polyclonal NK cells isolated from normal donors served as effector cells. Cell-mediated cytotoxicity against chondrocytes was evaluated by means of 18-h 51Cr-release assay. Specific mRNA expression was evaluated by classical and quantitative RT-PCR, and proteins were detected by Western blot analysis. We found that lysis of articular chondrocytes by PBMC or polyclonal NK cells was potentiated by stimulation with IL-2. Stimulation of effector cells with IL-2 downregulated mRNA expression of inhibitory NKR-P1A NK cell receptor, and blocking of NKR-P1A with specific mAbs resulted in increased chondrocyte killing. Chondrocytes constitutively expressed LLT1, a ligand of NKR-P1A. LLT1 expression by chondrocytes could be upregulated by IL-1alpha and TNF. Chondrocyte treatment with IL-1alpha resulted in their increased resistance to killing by natural cytotoxic cells. This could be reversed by blocking of NKR-P1A. These results show that susceptibility of normal articular chondrocytes to lysis by NK cells is modulated by NKR-P1A/LLT1 interactions. Thus, NKR-P1A/LLT1 interaction might provide some novel target for therapeutic interventions in the course of pathological cartilage injury. PMID- 29212910 TI - Foxp1 Negatively Regulates T Follicular Helper Cell Differentiation and Germinal Center Responses by Controlling Cell Migration and CTLA-4. AB - T follicular helper (Tfh) cells play an essential role in the formation of germinal centers (GC) and generation of high-affinity Abs. The homing of activated CD4+ T cells into B cell follicles and the involvement of key costimulatory and coinhibitory molecules are critical in controlling both the initiation and the magnitude of GC responses. Meanwhile, studies have shown that a high number of single clone B cells leads to intraclonal competition, which inhibits the generation of high-affinity Abs. Our previous work has shown that transcription factor Foxp1 is a critical negative regulator of Tfh cell differentiation. In this study, we report that the deletion of Foxp1 leads to a high proportion of activated CD4+ T cells homing into B cell follicles with faster kinetics, resulting in earlier GC formation. In addition, we show that Foxp1-deficient Tfh cells restore the generation of high-affinity Abs when cotransferred with high numbers of single clone B cells. We find that Foxp1 regulates the expression levels of cytotoxic T lymphocyte-associated Ag-4 (CTLA 4) in activated CD4+ T cells and that Ctla4 is a direct Foxp1 target. Finally, we demonstrate that CTLA-4 expression on conventional CD4+ T cells plays a cell intrinsic role in Tfh cell differentiation in vivo, and CTLA-4 blockade helps abolish the intraclonal competition of B cells in generating high-affinity Abs. PMID- 29212912 TI - Effect of Saccharomyces boulardii in dog with chronic enteropathies: double blinded, placebo-controlled study. AB - Saccharomyces boulardii is used to treat acute and chronic enteropathies in humans, but to date, no studies have evaluated the use of this yeast in dogs. The current study, a prospective non-randomised, double-blinded, placebo-controlled study, evaluated the effects of S boulardii in healthy dogs and dogs with chronic enteropathies (CE). Four healthy dogs and 20 dogs with CE were included. In healthy dogs, S boulardii was administered for 10 days. Possible short-term adverse effects were recorded, and quantitative stool cultures for yeasts were performed. In dogs with CE, S boulardii or a placebo was administered in addition to standard treatment protocols. Canine Chronic Enteropathy Clinical Activity Index, abdominal ultrasonography, gastroenteroscopy and histology were performed at the time of diagnosis and after 60 days of treatment. In healthy dogs, S boulardii reached a steady state in five days and was completely eliminated on day 4 after administration. No short-term side effects were seen. Clinical activity index, stool frequency, stool consistency and body condition score improved significantly in dogs with CE receiving S boulardii versus the placebo. In conclusion, S boulardii can be safely used in dogs with CE and seems to achieve better control of clinical signs than standard therapy alone. PMID- 29212913 TI - Molecular characterisation of Mycobacterium caprae strains isolated in Poland. AB - Bovine tuberculosis (bovine TB, bTB) is caused by bovine bacilli: Mycobacterium bovis and M caprae The studies conducted in Poland, in the National Bovine Tuberculosis Reference Laboratory in the Department of Microbiology of the National Veterinary Research Institute in Pulawy, show that animal tuberculosis in Poland is also caused by M caprae We here describe the identification and genotypic assessment of 52 isolates of M caprae obtained from Polish cattle and wild animals over the last five years. We show that strains isolated from bison have significant genotypic diversity and are distinct compared with the genotypes of strains isolated from cattle. Similarly, isolates from cattle herds can be highly genotypically variable. Formal designation of the members of the Mycobacterium tuberculosis complex is controversial in Poland; there is a gap in veterinary legislation with regard to bTB and no explicit mention of M caprae causing tuberculosis in animal. PMID- 29212915 TI - Altered synaptic transmission and maturation of hippocampal CA1 neurons in a mouse model of human chr16p11.2 microdeletion. AB - The pathophysiology of neurodevelopmental disorders is often observed early in infancy and toddlerhood. Mouse models of syndromic disorders have provided insight regarding mechanisms of action, but most studies have focused on characterization in juveniles and adults. Insight into developmental trajectories, particularly those related to circuit and synaptic function, will likely yield important information regarding disorder pathogenesis that leads to symptom progression. Chromosome 16p11.2 microdeletion is one of the most common copy number variations associated with a spectrum of neurodevelopmental disorders. Yet, how haploinsufficiency of chr16p11.2 affects early synaptic maturation and function is unknown. To address this knowledge gap, the present study focused on three key components of circuit formation and function, basal synaptic transmission, local circuit function, and maturation of glutamatergic synapses, in developing hippocampal CA1 neurons in a chr16p11.2 microdeletion mouse model. The data demonstrate increased excitability, imbalance in excitation and inhibition, and accelerated maturation of glutamatergic synapses in heterozygous deletion mutant CA1 neurons. Given the critical role of early synaptic development in shaping neuronal connectivity and circuitry formation, these newly identified synaptic abnormalities in chr16p11.2 microdeletion mice may contribute to altered developmental trajectory and function of the developing brain. NEW & NOTEWORTHY The synaptic pathophysiology underlying neurodevelopmental disorders often emerges during infancy and toddlerhood. Therefore, identifying initial changes in synaptic function is crucial for gaining a mechanistic understanding of the pathophysiology, which ultimately will facilitate the design of early interventions. Here, we investigated synaptic and local circuit properties of hippocampal CA1 neurons in a human chr16p11.2 microdeletion mouse model during early postnatal development (preweaning). The data demonstrate increased neuronal excitability, excitatory/inhibitory imbalance, and accelerated maturation of glutamatergic synapses. These perturbations in early hippocampal circuit function may underlie the early pathogenesis of the heterozygous chr16p11.2 microdeletion, which is often associated with epilepsy and intellectual disability. PMID- 29212916 TI - Task dependence of odor discrimination: choosing between speed and accuracy. AB - Odor discrimination is a complex task that may be improved by increasing sampling time to facilitate evidence accumulation. However, experiments testing this phenomenon in olfaction have produced conflicting results. To resolve this disparity, Frederick et al. (Frederick DE, Brown A, Tacopina S, Mehta N, Vujovic M, Brim E, Amina T, Fixsen B, Kay LM. J Neurosci 37: 4416-4426, 2017) conducted experiments that suggest that sampling time and performance are task dependent. Their findings have implications for understanding olfactory processing and experimental design, specifically the effect of subtle differences in experimental design on study results. PMID- 29212914 TI - Distributed force feedback in the spinal cord and the regulation of limb mechanics. AB - This review is an update on the role of force feedback from Golgi tendon organs in the regulation of limb mechanics during voluntary movement. Current ideas about the role of force feedback are based on modular circuits linking idealized systems of agonists, synergists, and antagonistic muscles. In contrast, force feedback is widely distributed across the muscles of a limb and cannot be understood based on these circuit motifs. Similarly, muscle architecture cannot be understood in terms of idealized systems, since muscles cross multiple joints and axes of rotation and further influence remote joints through inertial coupling. It is hypothesized that distributed force feedback better represents the complex mechanical interactions of muscles, including the stresses in the musculoskeletal network born by muscle articulations, myofascial force transmission, and inertial coupling. Together with the strains of muscle fascicles measured by length feedback from muscle spindle receptors, this integrated proprioceptive feedback represents the mechanical state of the musculoskeletal system. Within the spinal cord, force feedback has excitatory and inhibitory components that coexist in various combinations based on motor task and integrated with length feedback at the premotoneuronal and motoneuronal levels. It is concluded that, in agreement with other investigators, autogenic, excitatory force feedback contributes to propulsion and weight support. It is further concluded that coexistent inhibitory force feedback, together with length feedback, functions to manage interjoint coordination and the mechanical properties of the limb in the face of destabilizing inertial forces and positive force feedback, as required by the accelerations and changing directions of both predator and prey. PMID- 29212918 TI - The influence of vertical disparity gradient and cue conflict on EEG omega complexity in Panum's limiting case. AB - Using behavioral measures and ERP technique, researchers discovered at least two factors could influence the final perception of depth in Panum's limiting case, which are the vertical disparity gradient and the degree of cue conflict between two- and three-dimensional shapes. Although certain event-related potential components have been proved to be sensitive to the different levels of these two factors, some methodological limitations existed in this technique. In this study, we proposed that the omega complexity of EEG signal may serve as an important supplement of the traditional event-related potential technique. We found that the trials with lower vertical gradient disparity have lower omega complexity (i.e., higher global functional connectivity) of the occipital region, especially that of the right-occipital hemisphere. Moreover, for occipital omega complexity, the trials with low-cue conflict have significantly larger omega complexity than those with medium- and high-cue conflict. It is also found that the electrodes located in the middle line of the occipital region (i.e., POz and Oz) are more crucial to the impact of different levels of cue conflict on omega complexity than the other electrodes located in the left- and right-occipital hemispheres. These evidences demonstrated that the EEG omega complexity could reflect distinct neural activities evoked by Panum's limiting case configurations, with different levels of vertical disparity gradient and cue conflict. Besides, the influence of vertical disparity gradient and cue conflict on omega complexity may be regional dependent. NEW & NOTEWORTHY The EEG omega complexity could reflect distinct neural activities evoked by Panum's limiting case configurations with different levels of vertical disparity gradient and cue conflict. The influence of vertical disparity gradient and cue conflict on omega complexity is regional dependent. The omega complexity of EEG signal can serve as an important supplement of the traditional ERP technique. PMID- 29212919 TI - Neuronal dynamics supporting formation and recombination of cross-modal olfactory tactile association in the rat hippocampal formation. AB - The present study is aimed at describing some aspects of the neural dynamics supporting discrimination of olfactory-tactile paired-associated stimuli during acquisition of new pairs and during recombination of previously learned pairs in the rat. To solve the task, animals have to identify one odor-texture (OT) combination associated with a food reward among three cups with overlapping elements. Previous experiments demonstrated that the lateral entorhinal cortex (LEC) is involved in the processes underlying OT acquisition, whereas the dorsal hippocampus (DH) is selectively involved in the recombination processes. In the present study, local field potentials were recorded form the anterior piriform cortex (aPC), LEC, and DH in freely moving rats performing these tasks. Signal analysis focused on theta (5-12 Hz)- and beta-band (15-40 Hz) oscillatory activities in terms of both amplitude and synchrony. The results show that cue sampling was associated with a significant increase in the beta-band activity during the choice period in both the aPC and the LEC, and is modulated by level of expertise and the animal's decision. In addition, this increase was significantly higher during the recombination compared with the acquisition of the OT task, specifically when animals had to neglect the odor previously associated with the reward. Finally, a significant decrease in coherence in the theta band between LEC and DH was observed in the recombination but not in the acquisition task. These data point to specific neural signatures of simple and complex cross-modal sensory processing in the LEC-DH complex. NEW & NOTEWORTHY This study is the first to describe electrophysiological correlates of cross modal olfactory-tactile integration in rats. Recordings were sought from the lateral entorhinal cortex and the dorsal hippocampus because previous studies have shown their role in the formation and in the recombination of previously learned associations. We identified specific oscillatory-evoked neural responses in these structures in the theta and beta bands, which characterize acquisition and recombination of cross-modal olfactory-tactile pairs. PMID- 29212917 TI - Rhythmic arm cycling training improves walking and neurophysiological integrity in chronic stroke: the arms can give legs a helping hand in rehabilitation. AB - Training locomotor central pattern-generating networks (CPGs) through arm and leg cycling improves walking in chronic stroke. These outcomes are presumed to result from enhanced interlimb connectivity and CPG function. The extent to which rhythmic arm training activates interlimb CPG networks for locomotion remains unclear and was assessed by studying chronic stroke participants before and after 5 wk of arm cycling training. Strength was assessed bilaterally via maximal voluntary isometric contractions in the legs and hands. Muscle activation during arm cycling and transfer to treadmill walking were assessed in the more affected (MA) and less affected (LA) sides via surface electromyography. Changes to interlimb coupling during rhythmic movement were evaluated using modulation of cutaneous reflexes elicited by electrical stimulation of the superficial radial nerve at the wrist. Bilateral soleus stretch reflexes were elicited at rest and during 1-Hz arm cycling. Clinical function tests assessed walking, balance, and motor function. Results show significant changes in function and neurophysiological integrity. Training increased bilateral grip strength, force during MA plantarflexion, and muscle activation. "Normalization" of cutaneous reflex modulation was found during arm cycling. There was enhanced activity in the dorsiflexor muscles on the MA side during the swing phase of walking. Enhanced interlimb coupling was shown by increased modulation of MA soleus stretch reflex amplitudes during arm cycling after training. Clinical evaluations showed enhanced walking ability and balance. These results are consistent with training-induced changes in CPG function and interlimb connectivity and underscore the need for arm training in the functional rehabilitation of walking after neurotrauma. NEW & NOTEWORTHY It has been suggested but not tested that training the arms may influence rehabilitation of walking due to activation of interneuronal patterning networks after stroke. We show that arm cycling training improves strength, clinical function, coordination of muscle activity during walking, and neurological connectivity between the arms and the legs. The arms can, in fact, give the legs a helping hand in rehabilitation of walking after stroke. PMID- 29212920 TI - Phasic and tonic cell types in the zebra finch auditory caudal mesopallium. AB - The caudal mesopallium (CM) is a cortical-level area in the songbird auditory pathway where selective, invariant responses to familiar songs emerge. To characterize the cell types that perform this computation, we made whole cell recordings from brain slices in juvenile zebra finches ( Taeniopygia guttata) of both sexes. We found three groups of putatively excitatory neurons with distinct firing patterns. Tonic cells produced sustained responses to depolarizing step currents, phasic cells produced only a few spikes at the onset, and an intermediate group was also phasic but responded for up to a few hundred milliseconds. Phasic cells had smaller dendritic fields, higher resting potentials, and strong low-threshold outward rectification. Pharmacological treatment with voltage-gated potassium channel antagonists 4-aminopyridine and alpha-dendrotoxin converted phasic to tonic firing. When stimulated with broadband currents, phasic cells fired coherently with frequencies up to 20-30 Hz, whereas tonic neurons were more responsive to frequencies around 0-10 Hz. The distribution of peak coherence frequencies was similar to the distribution of temporal modulation rates in zebra finch song. We reproduced these observations in a single-compartment biophysical model by varying cell size and the magnitude of a slowly inactivating, low-threshold potassium current ( ILT). These data suggest that intrinsic dynamics in CM are matched to the temporal statistics of conspecific song. NEW & NOTEWORTHY In songbirds, the caudal mesopallium is a key brain area involved in recognizing the songs of other individuals. This study identifies three cell types in this area with distinct firing patterns (tonic, phasic, and intermediate) that reflect differences in cell size and a low threshold potassium current. The phasic-firing neurons, which do not have a counterpart in mammalian auditory cortex, are better able to follow rapid modulations at the frequencies found in song. PMID- 29212922 TI - Reward activations and face fields in monkey cingulate motor areas. AB - Several premotor areas have been identified within primate cingulate cortex; however their function is yet to be uncovered. Recent brain imaging work in humans revealed a topographic anatomofunctional overlap between feedback processing during exploratory behaviors and the corresponding body fields in the rostral cingulate motor area (RCZa), suggesting an embodied representation of feedback. In particular, a face field in RCZa processes juice feedback. Here we tested an extension of the embodied principle in which unexpected or relevant information obtained through the eye or the face would be processed by face fields in cingulate motor areas, and whether this applied to monkey cingulate cortex. We show that activations for juice reward, eye movement, eye blink, and tactile stimulation on the face overlap over two subfields within the cingulate sulcus likely corresponding to the rostral and caudal cingulate motor areas. This suggests that in monkeys as is the case in humans, behaviorally relevant information is processed through multiple cingulate body/effector maps. NEW & NOTEWORTHY What is the role of cingulate motor areas? In this study we observed in monkeys that, as in humans, neural responses to face-related events, juice reward, eye movement, eye blink, and tactile stimulations, clustered redundantly in two separate cingulate subfields. This suggests that behaviorally relevant information is processed by multiple cingulate effector maps. Importantly, this overlap supports the principle that the cingulate cortex processes feedback based on where it is experienced on the body. PMID- 29212921 TI - BOLD temporal variability differentiates wakefulness from anesthesia-induced unconsciousness. AB - Even though a number of findings, based on information content or information integration, are shown to define neural underpinnings characteristic of a conscious experience, the neurophysiological mechanism of consciousness is still poorly understood. Here, we investigated the brain activity and functional connectivity changes that occur in the isoflurane-anesthetized unconscious state in contrast to the awake state in rats (awake and/or anesthetized, n = 68 rats). We examined nine information measures previously shown to distinguish between conscious states: blood oxygen level-dependent (BOLD) variability, functional connectivity strength, modularity, weighted modularity, efficiency, clustering coefficient, small-worldness, and spatial and temporal Lempel-Ziv complexity measure. We also identified modular membership, seed-based network connectivity, and absolute and normalized power spectrums to assess the integrity of the BOLD functional networks between awake and anesthesia. fMRI BOLD variability and related absolute power were the only information measures significantly higher during the awake state compared with isoflurane anesthesia across animals, and with varying levels of anesthesia, after correcting for motion and respiration confounds. Thus, we conclude that, at least under the specific conditions examined here, global measures of information integration/sharing do not properly distinguish the anesthetized state from wakefulness, and heightened overall, global and local, BOLD variability is the most reliable determinant of conscious brain activity relative to isoflurane anesthesia. NEW & NOTEWORTHY Multiple metrics previously suggested to be able to distinguish between states of consciousness were compared, within and across rats in awake and isoflurane anesthesia-induced unconsciousness. All measures tested showed sensitivity to confounds, correcting for motion and for respiration changes due to anesthesia. Resting state local BOLD variability and the related absolute power were the only information measures that robustly differentiated wakefulness states. These results caution against the general applicability of global information measures in identifying levels of consciousness, thus challenging the popular concept that these measures reflect states of consciousness, and also pointing to local signal variability as a more reliable indicator of states of wakefulness. PMID- 29212923 TI - Response inhibition activates distinct motor cortical inhibitory processes. AB - We routinely cancel preplanned movements that are no longer required. If stopping is forewarned, proactive processes are engaged to selectively decrease motor cortex excitability. However, without advance information there is a nonselective reduction in motor cortical excitability. In this study we examined modulation of human primary motor cortex inhibitory networks during response inhibition tasks with informative and uninformative cues using paired-pulse transcranial magnetic stimulation. Long- (LICI) and short-interval intracortical inhibition (SICI), indicative of GABAB- and GABAA-receptor mediated inhibition, respectively, were examined from motor evoked potentials obtained in task-relevant and task irrelevant hand muscles when response inhibition was preceded by informative and uninformative cues. When the participants (10 men and 8 women) were cued to stop only a subcomponent of the bimanual response, the remaining response was delayed, and the extent of delay was greatest in the more reactive context, when cues were uninformative. For LICI, inhibition was reduced in both muscles during all types of response inhibition trials compared with the pre-task resting baseline. When cues were uninformative and left-hand responses were suddenly canceled, task relevant LICI positively correlated with response times of the responding right hand. In trials where left-hand responding was highly probable or known (informative cues), task-relevant SICI was reduced compared with that when cued to rest, revealing a motor set indicative of responding. These novel findings indicate that the GABAB-receptor-mediated pathway may set a default inhibitory tone according to task context, whereas the GABAA-receptor-mediated pathways are recruited proactively with response certainty. NEW & NOTEWORTHY We examined how informative and uninformative cues that trigger both proactive and reactive processes modulate GABAergic inhibitory networks within human primary motor cortex. We show that GABAB inhibition was released during the task regardless of cue type, whereas GABAA inhibition was reduced when responding was highly probable or known compared with rest. GABAB-receptor-mediated inhibition may set a default inhibitory tone, whereas GABAA circuits may be modulated proactively according to response certainty. PMID- 29212924 TI - Robust mixture modeling reveals category-free selectivity in reward region neuronal ensembles. AB - Classification of neurons into clusters based on their response properties is an important tool for gaining insight into neural computations. However, it remains unclear to what extent neurons fall naturally into discrete functional categories. We developed a Bayesian method that models the tuning properties of neural populations as a mixture of multiple types of task-relevant response patterns. We applied this method to data from several cortical and striatal regions in economic choice tasks. In all cases, neurons fell into only two clusters: one multiple-selectivity cluster containing all cells driven by task variables of interest and another of no selectivity for those variables. The single cluster of task-sensitive cells argues against robust categorical tuning in these areas. The no-selectivity cluster was unanticipated and raises important questions about what distinguishes these neurons and what role they play. Moreover, the ability to formally identify these nonselective cells allows for more accurate measurement of ensemble effects by excluding or appropriately down weighting them in analysis. Our findings provide a valuable tool for analysis of neural data, challenge simple categorization schemes previously proposed for these regions, and place useful constraints on neurocomputational models of economic choice and control. NEW & NOTEWORTHY We present a Bayesian method for formally detecting whether a population of neurons can be naturally classified into clusters based on their response tuning properties. We then examine several data sets of reward system neurons for variables and find in all cases that neurons can be classified into only two categories: a functional class and a non task-driven class. These results provide important constraints for neural models of the reward system. PMID- 29212925 TI - Done in 100 ms: path-dependent visuomotor transformation in the human upper limb. AB - A core assumption underlying mental chronometry is that more complex tasks increase cortical processing, prolonging reaction times. In this study we show that increases in task complexity alter the magnitude, rather than the latency, of the output for a circuit that rapidly transforms visual information into motor actions. We quantified visual stimulus-locked responses (SLRs), which are changes in upper limb muscle recruitment that evolve at a fixed latency ~100 ms after novel visual stimulus onset. First, we studied the underlying reference frame of the SLR by dissociating the initial eye and hand position. Despite its quick latency, we found that the SLR was expressed in a hand-centric reference frame, suggesting that the circuit mediating the SLR integrated retinotopic visual information with body configuration. Next, we studied the influence of planned movement trajectory, requiring participants to prepare and generate either curved or straight reaches in the presence of obstacles to attain the same visual stimulus location. We found that SLR magnitude was influenced by the planned movement trajectory to the same visual stimulus. On the basis of these results, we suggest that the circuit mediating the SLR lies in parallel to other well studied corticospinal pathways. Although the fixed latency of the SLR precludes extensive cortical processing, inputs conveying information relating to task complexity, such as body configuration and planned movement trajectory, can preset nodes within the circuit underlying the SLR to modulate its magnitude. NEW & NOTEWORTHY We studied stimulus-locked responses (SLRs), which are changes in human upper limb muscle recruitment that evolve at a fixed latency ~100 ms after novel visual stimulus onset. We showed that despite its quick latency, the circuitry mediating the SLR transformed a retinotopic visual signal into a hand centric motor command that is modulated by the planned movement trajectory. We suggest that the circuit generating the SLR is mediated through a tectoreticulospinal, rather than a corticospinal, pathway. PMID- 29212926 TI - Syrian Hamster as an Animal Model for the Study of Human Influenza Virus Infection. AB - Ferrets and mice are frequently used as animal models for influenza research. However, ferrets are demanding in terms of housing space and handling, whereas mice are not naturally susceptible to infection with human influenza A or B viruses. Therefore, prior adaptation of human viruses is required for their use in mice. In addition, there are no mouse-adapted variants of the recent H3N2 viruses, because these viruses do not replicate well in mice. In this study, we investigated the susceptibility of Syrian hamsters to influenza viruses with a view to using the hamster model as an alternative to the mouse model. We found that hamsters are sensitive to influenza viruses, including the recent H3N2 viruses, without adaptation. Although the hamsters did not show weight loss or clinical signs of H3N2 virus infection, we observed pathogenic effects in the respiratory tracts of the infected animals. All of the H3N2 viruses tested replicated in the respiratory organs of the hamsters, and some of them were detected in the nasal washes of infected animals. Moreover, a 2009 pandemic (pdm09) virus and a seasonal H1N1 virus, as well as one of the two H3N2 viruses, but not a type B virus, were transmissible by the airborne route in these hamsters. Hamsters thus have the potential to be a small-animal model for the study of influenza virus infection, including studies of the pathogenicity of H3N2 viruses and other strains, as well as for use in H1N1 virus transmission studies.IMPORTANCE We found that Syrian hamsters are susceptible to human influenza viruses, including the recent H3N2 viruses, without adaptation. We also found that a pdm09 virus and a seasonal H1N1 virus, as well as one of the H3N2 viruses, but not a type B virus tested, are transmitted by the airborne route in these hamsters. Syrian hamsters thus have the potential to be used as a small animal model for the study of human influenza viruses. PMID- 29212927 TI - Mutations in the PA Protein of Avian H5N1 Influenza Viruses Affect Polymerase Activity and Mouse Virulence. AB - To study the influenza virus determinants of pathogenicity, we characterized two highly pathogenic avian H5N1 influenza viruses isolated in Vietnam in 2012 (A/duck/Vietnam/QT1480/2012 [QT1480]) and 2013 (A/duck/Vietnam/QT1728/2013 [QT1728]) and found that the activity of their polymerase complexes differed significantly, even though both viruses were highly pathogenic in mice. Further studies revealed that the PA-S343A/E347D (PA with the S-to-A change at position 343 and the E-to-D change at position 347) mutations reduced viral polymerase activity and mouse virulence when tested in the genetic background of QT1728 virus. In contrast, the PA-343S/347E mutations increased the polymerase activity of QT1480 and the virulence of a low-pathogenic H5N1 influenza virus. The PA-343S residue (which alone increased viral polymerase activity and mouse virulence significantly relative to viral replication complexes encoding PA-343A) is frequently found in H5N1 influenza viruses of several subclades; infection with a virus possessing this amino acid may pose an increased risk to humans.IMPORTANCE H5N1 influenza viruses cause severe infections in humans with a case fatality rate that exceeds 50%. The factors that determine the high virulence of these viruses in humans are not fully understood. Here, we identified two amino acid changes in the viral polymerase PA protein that affect the activity of the viral polymerase complex and virulence in mice. Infection with viruses possessing these amino acid changes may pose an increased risk to humans. PMID- 29212928 TI - Autographa californica Multiple Nucleopolyhedrovirus ac75 Is Required for the Nuclear Egress of Nucleocapsids and Intranuclear Microvesicle Formation. AB - Autographa californica multiple nucleopolyhedrovirus (AcMNPV) orf75 (ac75) is a highly conserved gene of unknown function. In this study, we constructed an ac75 knockout AcMNPV bacmid and investigated the role of ac75 in the baculovirus life cycle. The expression and distribution of the Ac75 protein were characterized, and its interaction with another viral protein was analyzed to further understand its function. Our data indicated that ac75 was required for the nuclear egress of nucleocapsids, intranuclear microvesicle formation, and subsequent budded virion (BV) formation, as well as occlusion-derived virion (ODV) envelopment and embedding of ODVs into polyhedra. Western blot analyses showed that two forms, of 18 and 15 kDa, of FLAG-tagged Ac75 protein were detected. Ac75 was associated with both nucleocapsid and envelope fractions of BVs but with only the nucleocapsid fraction of ODVs; the 18-kDa form was associated with only BVs, whereas the 15-kDa form was associated with both types of virion. Ac75 was localized predominantly in the intranuclear ring zone during infection and exhibited a nuclear rim distribution during the early phase of infection. A phase separation assay suggested that Ac75 was not an integral membrane protein. A coimmunoprecipitation assay revealed an interaction between Ac75 and the integral membrane protein Ac76, and bimolecular fluorescence complementation assays identified the sites of the interaction within the cytoplasm and at the nuclear membrane and ring zone in AcMNPV-infected cells. Our results have identified ac75 as a second gene that is required for both the nuclear egress of nucleocapsids and the formation of intranuclear microvesicles.IMPORTANCE During the baculovirus life cycle, the morphogenesis of both budded virions (BVs) and occlusion-derived virions (ODVs) is proposed to involve a budding process at the nuclear membrane, which occurs while nucleocapsids egress from the nucleus or when intranuclear microvesicles are produced. However, the exact mechanism of virion morphogenesis remains unknown. In this study, we identified ac75 as a second gene, in addition to ac93, that is essential for the nuclear egress of nucleocapsids, intranuclear microvesicle formation, and subsequent BV formation, as well as ODV envelopment and embedding of ODVs into polyhedra. Ac75 is not an integral membrane protein. However, it interacts with an integral membrane protein (Ac76) and is associated with the nuclear membrane. These data enhance our understanding of the commonalities between nuclear egress of nucleocapsids and intranuclear microvesicle formation and may help to reveal insights into the mechanism of baculovirus virion morphogenesis. PMID- 29212929 TI - Nucleic Acid Polymers Are Active against Hepatitis Delta Virus Infection In Vitro. AB - In this study, an in vitro infection model for the hepatitis delta virus (HDV) was used to evaluate the antiviral effects of phosphorothioate nucleic acid polymers (NAPs) and investigate their mechanism of action. The results show that NAPs inhibit HDV infection at concentrations less than 4 MUM in cultures of differentiated human hepatoma cells. NAPs were shown to be active at viral entry but inactive postentry on HDV RNA replication. Inhibition was independent of the NAP nucleotide sequence but dependent on both size and amphipathicity of the polymer. NAP antiviral activity was effective against HDV virions bearing the main hepatitis B virus (HBV) immune escape substitutions (D144A and G145R) and was pangenomic with regard to HBV envelope proteins. Furthermore, similar to immobilized heparin, immobilized NAPs could bind HDV particles, suggesting that entry inhibition was due, at least in part, to preventing attachment of the virus to cell surface glycosaminoglycans. The results document NAPs as a novel class of antiviral compounds that can prevent HDV propagation.IMPORTANCE HDV infection causes the most severe form of viral hepatitis in humans and one of the most difficult to cure. Currently, treatments are limited to long-term administration of interferon at high doses, which provide only partial efficacy. There is thus an urgent need for innovative approaches to identify new antiviral against HDV. The significance of our study is in demonstrating that nucleic acid polymers (NAPs) are active against HDV by targeting the envelope of HDV virions. In an in vitro infection assay, NAP activity was recorded at concentrations less than 4 MUM in the absence of cell toxicity. Furthermore, the fact that NAPs could block HDV at viral entry suggests their potential to control the spread of HDV in a chronically HBV-infected liver. In addition, NAP anti-HDV activity was pangenomic with regard to HBV envelope proteins and not circumvented by HBsAg substitutions associated with HBV immune escape. PMID- 29212930 TI - Control of Human T-Cell Leukemia Virus Type 1 (HTLV-1) Infection by Eliminating Envelope Protein-Positive Cells with Recombinant Vesicular Stomatitis Viruses Encoding HTLV-1 Primary Receptor. AB - Human T-cell leukemia virus type 1 (HTLV-1) infection causes adult T-cell leukemia (ATL), which is frequently resistant to currently available therapies and has a very poor prognosis. To prevent the development of ATL among carriers, it is important to control HTLV-1-infected cells in infected individuals. Therefore, the establishment of novel therapies with drugs specifically targeting infected cells is urgently required. This study aimed to develop a potential therapy by generating recombinant vesicular stomatitis viruses (rVSVs) that lack an envelope glycoprotein G and instead encode an HTLV-1 receptor with human glucose transporter 1 (GLUT1), neuropilin 1 (NRP1), or heparan sulfate proteoglycans (HSPGs), including syndecan 1 (SDC1), designated VSVDeltaG-GL, VSVDeltaG-NP, or VSVDeltaG-SD, respectively. In an attempt to enhance the infectivity of rVSV against HTLV-1-infected cells, we also constructed rVSVs with a combination of two or three receptor genes, designated VSVDeltaG-GLN and VSVDeltaG-GLNS, respectively. The present study demonstrates VSVDeltaG-GL, VSVDeltaG-NP, VSVDeltaG-GLN, and VSVDeltaG-GLNS have tropism for HTLV-1 envelope (Env)-expressing cells. Notably, the inoculation of VSVDeltaG-GL or VSVDeltaG-NP significantly eliminated HTLV-1-infected cells under the culture conditions. Furthermore, in an HTLV-1-infected humanized mouse model, VSVDeltaG-NP was capable of efficiently preventing HTLV-1-induced leukocytosis in the periphery and eliminating HTLV-1-infected Env-expressing cells in the lymphoid tissues. In summary, an rVSV engineered to express HTLV-1 primary receptor, especially human NRP1, may represent a drug candidate that has potential for the development of unique virotherapy against HTLV-1 de novo infection.IMPORTANCE Although several anti-ATL therapies are currently available, ATL is still frequently resistant to therapeutic approaches, and its prognosis remains poor. Control of HTLV-1 de novo infection or expansion of HTLV-1-infected cells in the carrier holds considerable promise for the prevention of ATL development. In this study, we developed rVSVs that specifically target and kill HTLV-1 Env-expressing cells (not ATL cells, which generally do not express Env in vivo) through replacement of the G gene with HTLV-1 receptor gene(s) in the VSV genome. Notably, an rVSV engineered to express human NRP1 controlled the number of HTLV-1-infected Env-expressing cells in vitro and in vivo, suggesting the present approach may be a promising candidate for novel anti-HTLV-1 virotherapy in HTLV-1 carriers, including as a prophylactic treatment against the development of ATL. PMID- 29212931 TI - Suppression of Zika Virus Infection and Replication in Endothelial Cells and Astrocytes by PKA Inhibitor PKI 14-22. AB - The recent outbreak of Zika virus (ZIKV), a reemerging flavivirus, and its associated neurological disorders, such as Guillain-Barre (GB) syndrome and microcephaly, have generated an urgent need to develop effective ZIKV vaccines and therapeutic agents. Here, we used human endothelial cells and astrocytes, both of which represent key cell types for ZIKV infection, to identify potential inhibitors of ZIKV replication. Because several pathways, including the AMP activated protein kinase (AMPK), protein kinase A (PKA), and mitogen-activated protein kinase (MAPK) signaling pathways, have been reported to play important roles in flavivirus replication, we tested inhibitors and agonists of these pathways for their effects on ZIKV replication. We identified the PKA inhibitor PKI 14-22 (PKI) to be a potent inhibitor of ZIKV replication. PKI effectively suppressed the replication of ZIKV from both the African and Asian/American lineages with a high efficiency and minimal cytotoxicity. While ZIKV infection does not induce PKA activation, endogenous PKA activity is essential for supporting ZIKV replication. Interestingly, in addition to PKA, PKI also inhibited another unknown target(s) to block ZIKV replication. PKI inhibited ZIKV replication at the postentry stage by preferentially affecting negative-sense RNA synthesis as well as viral protein translation. Together, these results have identified a potential inhibitor of ZIKV replication which could be further explored for future therapeutic application.IMPORTANCE There is an urgent need to develop effective vaccines and therapeutic agents against Zika virus (ZIKV) infection, a reemerging flavivirus associated with neurological disorders, including Guillain-Barre (GB) syndrome and microcephaly. By screening for inhibitors of several cellular pathways, we have identified the PKA inhibitor PKI 14-22 (PKI) to be a potent inhibitor of ZIKV replication. We show that PKI effectively suppresses the replication of all ZIKV strains tested with minimal cytotoxicity to human endothelial cells and astrocytes, two key cell types for ZIKV infection. Furthermore, we show that PKI inhibits ZIKV negative-sense RNA synthesis and viral protein translation. This study has identified a potent inhibitor of ZIKV infection which could be further explored for future therapeutic application. PMID- 29212932 TI - Minor Capsid Protein L2 Polytope Induces Broad Protection against Oncogenic and Mucosal Human Papillomaviruses. AB - The amino terminus of the human papillomavirus (HPV) minor capsid protein L2 contains a major cross-neutralization epitope which provides the basis for the development of a broadly protecting HPV vaccine. A wide range of protection against different HPV types would eliminate one of the major drawbacks of the commercial, L1-based prophylactic vaccines. Previously, we have reported that insertion of the L2 epitope into a scaffold composed of bacterial thioredoxin protein generates a potent antigen inducing comprehensive protection against different animal and human papillomaviruses. We also reported, however, that although protection is broad, some oncogenic HPV types escape the neutralizing antibody response, if L2 epitopes from single HPV types are used as immunogen. We were able to compensate for this by applying a mix of thioredoxin proteins carrying L2 epitopes from HPV16, -31, and -51. As the development of a cost efficient HPV prophylactic vaccines is one of our objectives, this approach is not feasible as it requires the development of multiple good manufacturing production processes in combination with a complex vaccine formulation. Here, we report the development of a thermostable thioredoxin-based single-peptide vaccine carrying an L2 polytope of up to 11 different HPV types. The L2 polytope antigens have excellent abilities in respect to broadness of protection and robustness of induced immune responses. To further increase immunogenicity, we fused the thioredoxin L2 polytope antigen with a heptamerization domain. In the final vaccine design, we achieve protective responses against all 14 oncogenic HPV types that we have analyzed plus the low-risk HPVs 6 and 11 and a number of cutaneous HPVs.IMPORTANCE Infections by a large number of human papillomaviruses lead to malignant and nonmalignant disease. Current commercial vaccines based on virus-like particles (VLPs) effectively protect against some HPV types but fail to do so for most others. Further, only about a third of all countries have access to the VLP vaccines. The minor capsid protein L2 has been shown to contain so-called neutralization epitopes within its N terminus. We designed polytopes comprising the L2 epitope amino acids 20 to 38 of up to 11 different mucosal HPV types and inserted them into the scaffold of thioredoxin derived from a thermophile archaebacterium. The antigen induced neutralizing antibody responses in mice and guinea pigs against 26 mucosal and cutaneous HPV types. Further, addition of a heptamerization domain significantly increased the immunogenicity. The final vaccine design comprising a heptamerized L2 8-mer thioredoxin single peptide antigen with excellent thermal stability might overcome some of the limitations of the current VLP vaccines. PMID- 29212934 TI - Influenza A virus reassortment is limited by anatomical compartmentalization following co-infection via distinct routes. AB - Exchange of gene segments through reassortment is a major feature of influenza A virus evolution and frequently contributes to the emergence of novel epidemic, pandemic and zoonotic strains. It has long been evident that viral diversification through reassortment is constrained by genetic incompatibility between divergent parental viruses. In contrast, the role of virus-extrinsic factors in determining the likelihood of reassortment has remained unclear. To evaluate the impact of such factors in the absence of confounding effects of segment mismatch, we previously reported an approach in which reassortment between wild-type (wt) and genetically tagged variant (var) viruses of the same strain is measured. Here, using wt/var systems in the A/Netherlands/602/2009 (pH1N1) and A/Panama/2007/99 (H3N2) strain backgrounds, we have tested whether inoculation of parental viruses into distinct sites within the respiratory tract limits their reassortment. Using a ferret model, matched parental viruses were either co-inoculated intranasally, or one virus was instilled intranasally while the second was instilled intratracheally. Dual intranasal inoculation resulted in robust reassortment for wt/var viruses of both strain backgrounds. In contrast, when infections were initiated simultaneously at distinct sites, strong compartmentalization of viral replication was observed and minimal reassortment was detected. The observed lack of viral spread between upper and lower respiratory tissues may be attributable to localized exclusion of super-infection within the host, mediated by innate immune responses. Our findings indicate that dual infections in nature are more likely to result in reassortment if viruses are seeded into similar anatomical locations and have matched tissue tropisms.ImportanceGenetic exchange between influenza A viruses (IAVs) through reassortment can facilitate the emergence of antigenically drifted seasonal strains and plays a prominent role in the development of pandemics. Typical human influenza is concentrated in the upper respiratory tract; however, lower respiratory tract (LRT) infection is an important feature of severe cases, which are more common in the very young, the elderly, and individuals with underlying conditions. In addition to host factors, viral characteristics and mode of transmission can also increase the likelihood of LRT infection: certain zoonotic IAVs are thought to favor the LRT and transmission via small droplets allows direct seeding into lower respiratory tissues. Toward gauging the likelihood of reassortment in co-infected hosts, we assessed the extent to which initiation of infection at distinct respiratory sites impacts reassortment frequency. Our results reveal that spatially distinct inoculation results in anatomical compartmentalization of infection, which in turn strongly limits reassortment. PMID- 29212933 TI - Characterization of Influenza Virus Pseudotyped with Ebolavirus Glycoprotein. AB - We have produced a new Ebola virus pseudotype, E-S-FLU, that can be handled in biosafety level 1/2 containment for laboratory analysis. The E-S-FLU virus is a single-cycle influenza virus coated with Ebolavirus glycoprotein, and it encodes enhanced green fluorescence protein as a reporter that replaces the influenza virus hemagglutinin. MDCK-SIAT1 cells were transduced to express Ebolavirus glycoprotein as a stable transmembrane protein for E-S-FLU virus production. Infection of cells with the E-S-FLU virus was dependent on the Niemann-Pick C1 protein, which is the well-characterized receptor for Ebola virus entry at the late endosome/lysosome membrane. The E-S-FLU virus was neutralized specifically by an anti-Ebolavirus glycoprotein antibody and a variety of small drug molecules that are known to inhibit the entry of wild-type Ebola virus. To demonstrate the application of this new Ebola virus pseudotype, we show that a single laboratory batch was sufficient to screen a library (LOPAC1280; Sigma) of 1,280 pharmacologically active compounds for inhibition of virus entry. A total of 215 compounds inhibited E-S-FLU virus infection, while only 22 inhibited the control H5-S-FLU virus coated in H5 hemagglutinin. These inhibitory compounds have very dispersed targets and mechanisms of action, e.g., calcium channel blockers, estrogen receptor antagonists, antihistamines, serotonin uptake inhibitors, etc., and this correlates with inhibitor screening results obtained with other pseudotypes or wild-type Ebola virus in the literature. The E-S-FLU virus is a new tool for Ebola virus cell entry studies and is easily applied to high throughput screening assays for small-molecule inhibitors or antibodies.IMPORTANCE Ebola virus is in the Filoviridae family and is a biosafety level 4 pathogen. There are no FDA-approved therapeutics for Ebola virus. These characteristics warrant the development of surrogates for Ebola virus that can be handled in more convenient laboratory containment to study the biology of the virus and screen for inhibitors. Here we characterized a new surrogate, named E-S FLU virus, that is based on a disabled influenza virus core coated with the Ebola virus surface protein but does not contain any genetic information from the Ebola virus itself. We show that E-S-FLU virus uses the same cell entry pathway as wild type Ebola virus. As an example of the ease of use of E-S-FLU virus in biosafety level 1/2 containment, we showed that a single production batch could provide enough surrogate virus to screen a standard small-molecule library of 1,280 candidates for inhibitors of viral entry. PMID- 29212935 TI - Tetraspanin CD63 Bridges Autophagic and Endosomal Processes To Regulate Exosomal Secretion and Intracellular Signaling of Epstein-Barr Virus LMP1 AB - The tetraspanin protein CD63 has been recently described as a key factor in extracellular vesicle (EV) production and endosomal cargo sorting. In the context of Epstein-Barr virus (EBV) infection, CD63 is required for the efficient packaging of the major viral oncoprotein latent membrane protein 1 (LMP1) into exosomes and other EV populations and acts as a negative regulator of LMP1 intracellular signaling. Accumulating evidence has also pointed to intersections of the endosomal and autophagy pathways in maintaining cellular secretory processes and as sites for viral assembly and replication. Indeed, LMP1 can activate the mammalian target of rapamycin (mTOR) pathway to suppress host cell autophagy and facilitate cell growth and proliferation. Despite the growing recognition of cross talk between endosomes and autophagosomes and its relevance to viral infection, little is understood about the molecular mechanisms governing endosomal and autophagy convergence. Here, we demonstrate that CD63-dependent vesicle protein secretion directly opposes intracellular signaling activation downstream of LMP1, including mTOR-associated proteins. Conversely, disruption of normal autolysosomal processes increases LMP1 secretion and dampens signal transduction by the viral protein. Increases in mTOR activation following CD63 knockout are coincident with the development of serum-dependent autophagic vacuoles that are acidified in the presence of high LMP1 levels. Altogether, these findings suggest a key role of CD63 in regulating the interactions between endosomal and autophagy processes and limiting cellular signaling activity in both noninfected and virally infected cells.IMPORTANCE The close connection between extracellular vesicles and viruses is becoming rapidly and more widely appreciated. EBV, a human gamma herpesvirus that contributes to the progression of a multitude of lymphomas and carcinomas in immunocompromised or genetically susceptible populations, packages its major oncoprotein, LMP1, into vesicles for secretion. We have recently described a role of the host cell protein CD63 in regulating intracellular signaling of the viral oncoprotein by shuttling LMP1 into exosomes. Here, we provide strong evidence of the utility of CD63-dependent EVs in regulating global intracellular signaling, including mTOR activation by LMP1. We also demonstrate a key role of CD63 in coordinating endosomal and autophagic processes to regulate LMP1 levels within the cell. Overall, this study offers new insights into the complex intersection of cellular secretory and degradative mechanisms and the implications of these processes in viral replication. PMID- 29212936 TI - Structural Insight into a Human Neutralizing Antibody against Influenza Virus H7N9. AB - Since its first emergence in East China in early 2013, many cases of avian influenza A H7N9 have been reported. The disease has extended to 22 provinces in mainland China and some surrounding areas. Strategies to combat viral infection are urgently needed. We previously isolated a human monoclonal antibody, HNIgGA6, that neutralized the H7N9 virus both in vitro and in vivo In this study, we determined the crystal structure of viral hemagglutinin (HA) globular head bound to the fragment antigen-binding region (Fab) of HNIgGA6. The crystal structure shows that the tip of the HNIgGA6 heavy-chain complementarity-determining region 3 (HCDR3) directly interposes into the receptor binding site (RBS) and mimics, in many respects, the interaction of the sialic acid receptor. Three residues at Y98, H183, and E190, which are critical to human cellular receptor binding, are also essential for HNIgGA6 recognition. Meanwhile, dual mutations at V186G and L226Q in RBS were able to disrupt viral HA1 binding with the antibody. Our study provides a better understanding of the mechanism for protective antibody recognition and a sound foundation for the design of therapeutic drugs and vaccines against H7N9 influenza.IMPORTANCE Neutralization by antibody is one of the most important mechanisms for a host to defend against viral infections. Human-originated antibody HNIgGA6 was generated in response to the natural infectious H7N9 virus and showed potential for use in suppression of H7N9 infection, with possible therapeutic implications. The crystal structure of the HNIgGA6/HA1 complex provided new insight into the protective immune response to H7N9 virus in humans, as well as possibilities for the development of effective H7N9 pandemic vaccines and antiviral molecules. PMID- 29212937 TI - Experimental Adaptive Evolution of Simian Immunodeficiency Virus SIVcpz to Pandemic Human Immunodeficiency Virus Type 1 by Using a Humanized Mouse Model. AB - Human immunodeficiency virus type 1 (HIV-1), the causative agent of AIDS, originated from simian immunodeficiency virus from chimpanzees (SIVcpz), the precursor of the human virus, approximately 100 years ago. This indicates that HIV-1 has emerged through the cross-species transmission of SIVcpz from chimpanzees to humans. However, it remains unclear how SIVcpz has evolved into pandemic HIV-1 in humans. To address this question, we inoculated three SIVcpz strains (MB897, EK505, and MT145), four pandemic HIV-1 strains (NL4-3, NLCSFV3, JRCSF, and AD8), and two nonpandemic HIV-1 strains (YBF30 and DJO0131). Humanized mice infected with SIVcpz strain MB897, a virus phylogenetically similar to pandemic HIV-1, exhibited a peak viral load comparable to that of mice infected with pandemic HIV-1, while peak viral loads of mice infected with SIVcpz strain EK505 or MT145 as well as nonpandemic HIV-1 strains were significantly lower. These results suggest that SIVcpz strain MB897 is preadapted to humans, unlike the other SIVcpz strains. Moreover, viral RNA sequencing of MB897-infected humanized mice identified a nonsynonymous mutation in env, a G413R substitution in gp120. The infectivity of the gp120 G413R mutant of MB897 was significantly higher than that of parental MB897. Furthermore, we demonstrated that the gp120 G413R mutant of MB897 augments the capacity for viral replication in both in vitro cell cultures and humanized mice. Taken together, this is the first experimental investigation to use an animal model to demonstrate a gain-of function evolution of SIVcpz into pandemic HIV-1.IMPORTANCE From the mid-20th century, humans have been exposed to the menace of infectious viral diseases, such as severe acute respiratory syndrome coronavirus, Ebola virus, and Zika virus. These outbreaks of emerging/reemerging viruses can be triggered by cross species viral transmission from wild animals to humans, or zoonoses. HIV-1, the causative agent of AIDS, emerged by the cross-species transmission of SIVcpz, the HIV-1 precursor in chimpanzees, around 100 years ago. However, the process by which SIVcpz evolved to become HIV-1 in humans remains unclear. Here, by using a hematopoietic stem cell-transplanted humanized-mouse model, we experimentally recapitulate the evolutionary process of SIVcpz to become HIV-1. We provide evidence suggesting that a strain of SIVcpz, MB897, preadapted to infect humans over other SIVcpz strains. We further demonstrate a gain-of-function evolution of SIVcpz in infected humanized mice. Our study reveals that pandemic HIV-1 has emerged through at least two steps: preadaptation and subsequent gain-of-function mutations. PMID- 29212938 TI - Subcellular Localization and Functional Characterization of GII.4 Norovirus Encoded NTPase. AB - The genotype II.4 (GII.4) variants of human noroviruses (HuNVs) are recognized as the major agent of global gastroenteritis outbreaks. Due to the lack of an efficient cell culture system for HuNV propagation, the exact roles of HuNV encoded nonstructural proteins (including Nterm, NTPase, P22, VPg, Pro, and RdRp) in viral replication or pathogenesis have not yet been fully understood. Here, we report the molecular characterization of the GII.4 HuNV-encoded NTPase (designated GII-NTPase). Results from our studies showed that GII-NTPase forms vesicular or nonvesicular textures in the cell cytoplasm, and the nonvesicular fraction of GII-NTPase significantly localizes to the endoplasmic reticulum (ER) or mitochondria. Deletion analysis revealed that the N-terminal 179-amino-acid (aa) region of GII-NTPase is required for vesicle formation and for ER colocalization, whereas the C-terminal region is involved in mitochondrial colocalization. In particular, two mitochondrion-targeting domains were identified in the C-terminal region of GII-NTPase which perfectly colocalized with mitochondria when the N-terminal region of GII-NTPase was deleted. However, the corresponding C-terminal portions of NTPase derived from the GI HuNV did not show mitochondrial colocalization. We also found that GII-NTPase physically interacts with itself as well as with Nterm and P22, but not VPg, Pro, and RdRp, in cells. The Nterm- and P22-interacting region was mapped to the N-terminal 179 aa region of GII-NTPase, whereas the self-assembly of GII-NTPase could be achieved via a head-to-head, tail-to-tail, or head-to-tail configuration. More importantly, we demonstrate that GII-NTPase possesses a proapoptotic activity, which can be further enhanced by coexpression with Nterm or P22.IMPORTANCE Despite the importance of human norovirus GII.4 variants in global gastroenteritis outbreaks, the basic biological functions of the viral nonstructural proteins in cells remain rarely investigated. In this report, we focus our studies on characteristics of the GII.4 norovirus-encoded NTPase (GII NTPase). We unexpectedly find that GII-NTPase can perfectly colocalize with mitochondria after its N-terminal region is deleted. However, such a phenomenon is not observed for NTPase encoded by a GI strain. We further reveal that the N terminal 179-aa region of GII-NTPase is sufficient to mediate (i) vesicle formation, (ii) ER colocalization, (iii) the interaction with two other nonstructural proteins, including Nterm and P22, (iv) the formation of homodimers or homo-oligomers, and (v) the induction of cell apoptosis. Taken together, our findings emphasize that the virus-encoded NTPase must have multiple activities during viral replication or pathogenesis; however, these activities may vary somewhat among different genogroups. PMID- 29212939 TI - The Heptad Repeat C Domain of the Respiratory Syncytial Virus Fusion Protein Plays a Key Role in Membrane Fusion. AB - Respiratory syncytial virus (RSV) mediates host cell entry through the fusion (F) protein, which undergoes a conformational change to facilitate the merger of viral and host lipid membrane envelopes. The RSV F protein comprises a trimer of disulfide-bonded F1 and F2 subunits that is present on the virion surface in a metastable prefusion state. This prefusion form is readily triggered to undergo refolding to bring two heptad repeats (heptad repeat A [HRA] and HRB) into close proximity to form a six-helix bundle that stabilizes the postfusion form and provides the free energy required for membrane fusion. This process can be triggered independently of other proteins. Here, we have performed a comprehensive analysis of a third heptad repeat region, HRC (amino acids 75 to 97), an amphipathic alpha-helix that lies at the interface of the prefusion F trimer and is a major structural feature of the F2 subunit. We performed alanine scanning mutagenesis from Lys-75 to Met-97 and assessed all mutations in transient cell culture for expression, proteolytic processing, cell surface localization, protein conformation, and membrane fusion. Functional characterization revealed a striking distribution of activity in which fusion increasing mutations localized to one side of the helical face, while fusion decreasing mutations clustered on the opposing face. Here, we propose a model in which HRC plays a stabilizing role within the globular head for the prefusion F trimer and is potentially involved in the early events of triggering, prompting fusion peptide release and transition into the postfusion state.IMPORTANCE RSV is recognized as the most important viral pathogen among pediatric populations worldwide, yet no vaccine or widely available therapeutic treatment is available. The F protein is critical for the viral replication process and is the major target for neutralizing antibodies. Recent years have seen the development of prefusion stabilized F protein-based approaches to vaccine design. A detailed understanding of the specific domains and residues that contribute to protein stability and fusion function is fundamental to such efforts. Here, we present a comprehensive mutagenesis-based study of a region of the RSV F2 subunit (amino acids 75 to 97), referred to as HRC, and propose a role for this helical region in maintaining the delicate stability of the prefusion form. PMID- 29212940 TI - HIV-1 Envelope Glycoprotein Trafficking through the Endosomal Recycling Compartment Is Required for Particle Incorporation. AB - The human immunodeficiency virus type 1 (HIV-1) envelope glycoprotein (Env) encodes specific trafficking signals within its long cytoplasmic tail (CT) that regulate incorporation into HIV-1 particles. Rab11-family interacting protein 1C (FIP1C) and Rab14 are host trafficking factors required for Env particle incorporation, suggesting that Env undergoes sorting from the endosomal recycling compartment (ERC) to the site of particle assembly on the plasma membrane. We disrupted outward sorting from the ERC by expressing a C-terminal fragment of FIP1C (FIP1C560-649) and examined the consequences on Env trafficking and incorporation into particles. FIP1C560-649 reduced cell surface levels of Env and prevented its incorporation into HIV-1 particles. Remarkably, Env was trapped in an exaggerated perinuclear ERC in a CT-dependent manner. Mutation of either the Yxxphi endocytic motif or the YW795 motif in the CT prevented Env trapping in the ERC and restored incorporation into particles. In contrast, simian immunodeficiency virus SIVmac239 Env was not retained in the ERC, while substitution of the HIV-1 CT for the SIV CT resulted in SIV Env retention in this compartment. These results provide the first direct evidence that Env traffics through the ERC and support a model whereby HIV-1 Env is specifically targeted to the ERC prior to FIP1C- and CT-dependent outward sorting to the particle assembly site on the plasma membrane.IMPORTANCE The HIV envelope protein is an essential component of the viral particle. While many aspects of envelope protein structure and function have been established, the pathway it follows in the cell prior to reaching the site of particle assembly is not well understood. The envelope protein has a very long cytoplasmic tail that interacts with the host cell trafficking machinery. Here, we utilized a truncated form of the trafficking adaptor FIP1C protein to arrest the intracellular transport of the envelope protein, demonstrating that it becomes trapped inside the cell within the endosomal recycling compartment. Intracellular trapping resulted in a loss of envelope protein on released particles and a corresponding loss of infectivity. Mutations of specific trafficking motifs in the envelope protein tail prevented its trapping in the recycling compartment. These results establish that trafficking to the endosomal recycling compartment is an essential step in HIV envelope protein particle incorporation. PMID- 29212941 TI - A novel Sulfolobus virus with an exceptional capsid architecture. AB - A novel archaeal virus, denoted Sulfolobus ellipsoid virus 1 (SEV1), was isolated from an acidic hot spring in Costa Rica. The morphologically unique virion of SEV1 contains a protein capsid with 16 regularly spaced striations and an 11-nm thick envelope. The capsid exhibits an unusual architecture in which the viral DNA, probably in the form of a nucleoprotein filament, wraps around the longitudinal axis of the virion in a plane to form a multilayered disk-like structure with a central hole, and 16 of these structures are stacked to generate a spool-like capsid. SEV1 harbors a linear double-stranded DNA genome of ~23 kb, which encodes 38 predicted open reading frames (ORFs). Among the few ORFs with a putative function is a gene encoding a protein-primed DNA polymerase. Six-fold symmetrical virus-associated pyramids (VAPs) appear on the surface of the SEV1 infected cells, which are ruptured to allow the formation of a hexagonal opening and subsequent release of the progeny virus particles. Notably, the SEV1 virions acquire the lipid membrane in the cytoplasm of the host cell. The lipid composition of the viral envelope correlates with that of the cell membrane. These results suggest the use of a unique mechanism by SEV1 in membrane biogenesis.IMPORTANCE Investigation of archaeal viruses has greatly expanded our knowledge of the virosphere and its role in the evolution of life. Here we show that Sulfolobus ellipsoid virus 1 (SEV1), an archaeal virus isolated from a hot spring in Costa Rica, exhibits a novel viral shape and an unusual capsid architecture. The SEV1 DNA wraps multiple times in a plane around the longitudinal axis of the virion to form a disk-like structure, and 16 of these structures are stacked to generate a spool-like capsid. The virus acquires its envelope intracellularly and exits the host cell by creating a hexagonal hole on the host cell surface. These results shed significant light on the diversity of viral morphogenesis. PMID- 29212942 TI - Factors Leading to the Loss of Natural Elite Control of HIV-1 Infection. AB - HIV-1 elite controllers (EC) maintain undetectable viral load (VL) in the absence of antiretroviral treatment. However, these subjects have heterogeneous clinical outcomes including a proportion loosing HIV-1 control over time. In this work we compared, in a longitudinal design, transient EC, analyzed before and after the loss of virological control, versus persistent EC. The aim was to identify factors leading to the loss of natural virological control of HIV-1-infection with a longitudinal retrospective study design. Gag-specific T-cell response was assessed by in vitro intracellular poly-cytokine production quantified by flow cytometry. Viral diversity and sequence-dating were performed in proviral DNA by PCR amplification at limiting dilution in env and gag genes. The expression profile of 70 serum cytokines and chemokines was assessed by multiplex immunoassays. We identified transient EC as subjects with low Gag-specific T-cell polyfunctionality, high viral diversity and high proinflammatory cytokines levels before the loss of control. Gag-specific T-cell polyfunctionality was inversely associated with viral diversity in transient controllers before the loss of control (r=-0.8; p=0.02). RANTES was a potential biomarker of transient control. This study identified, virological and immunological factors including inflammatory biomarkers associated with two different phenotypes within EC. These results may allow a more accurate definition of EC, which could help in a better clinical management of these individuals and in the development of future curative approaches.IMPORTANCE There is a rare group of HIV-infected patients who have the extraordinary capacity to maintain undetectable viral load levels in the absence of antiretroviral treatment, the so called HIV-1 elite controllers (EC). However, there is a proportion within these subjects that eventually loses this capability. In this work we found differences in virological and immune factors including soluble inflammatory biomarkers between subjects with persistent control of viral replication and EC that will loss the virological control. The identification of these factors could be a key point for a right medical care of those EC who are going to lose the natural control of viral replication, and for the design of future immunotherapeutic strategies using as a model the natural persistent control of HIV-infection. PMID- 29212945 TI - Refining the Roles of Neuroligins in Synapse Development and Function: A Reductionist Conditional Knock-out Approach. PMID- 29212943 TI - The Cellular Chaperone Heat Shock Protein 90 Is Required for Foot-and-Mouth Disease Virus Capsid Precursor Processing and Assembly of Capsid Pentamers. AB - Productive picornavirus infection requires the hijacking of host cell pathways to aid with the different stages of virus entry, synthesis of the viral polyprotein, and viral genome replication. Many picornaviruses, including foot-and-mouth disease virus (FMDV), assemble capsids via the multimerization of several copies of a single capsid precursor protein into a pentameric subunit which further encapsidates the RNA. Pentamer formation is preceded by co- and posttranslational modification of the capsid precursor (P1-2A) by viral and cellular enzymes and the subsequent rearrangement of P1-2A into a structure amenable to pentamer formation. We have developed a cell-free system to study FMDV pentamer assembly using recombinantly expressed FMDV capsid precursor and 3C protease. Using this assay, we have shown that two structurally different inhibitors of the cellular chaperone heat shock protein 90 (hsp90) impeded FMDV capsid precursor processing and subsequent pentamer formation. Treatment of FMDV permissive cells with the hsp90 inhibitor prior to infection reduced the endpoint titer by more than 10 fold while not affecting the activity of a subgenomic replicon, indicating that translation and replication of viral RNA were unaffected by the drug.IMPORTANCE FMDV of the Picornaviridae family is a pathogen of huge economic importance to the livestock industry due to its effect on the restriction of livestock movement and necessary control measures required following an outbreak. The study of FMDV capsid assembly, and picornavirus capsid assembly more generally, has tended to be focused upon the formation of capsids from pentameric intermediates or the immediate cotranslational modification of the capsid precursor protein. Here, we describe a system to analyze the early stages of FMDV pentameric capsid intermediate assembly and demonstrate a novel requirement for the cellular chaperone hsp90 in the formation of these pentameric intermediates. We show the added complexity involved for this process to occur, which could be the basis for a novel antiviral control mechanism for FMDV. PMID- 29212946 TI - The Integrated Stress Response Is Not a Target for Diffuse White Matter Injury in Premature Infants. PMID- 29212944 TI - The Neutralizing Linear Epitope of Human Herpesvirus 6A Glycoprotein B Does Not Affect Virus Infectivity. AB - Human herpesvirus 6A (HHV-6A) glycoprotein B (gB) is a glycoprotein consisting of 830 amino acids and is essential for the growth of the virus. Previously, we reported that a neutralizing monoclonal antibody (MAb) called 87-y-13 specifically reacts with HHV-6A gB, and we identified its epitope residue at asparagine (Asn) 347 on gB. In this study, we examined whether the epitope recognized by the neutralizing MAb is essential for HHV-6A infection. We constructed HHV-6A bacterial artificial chromosome (BAC) genomes harboring substitutions at Asn347, namely, HHV-6A BACgB(N347K) and HHV-6A BACgB(N347A). These mutant viruses could be reconstituted and propagated in the same manner as the wild type and their revertants, and MAb 87-y-13 could not inhibit infection by either mutant. In a cell-cell fusion assay, Asn at position 347 on gB was found to be nonessential for cell-cell fusion. In addition, in building an HHV-6A gB homology model, we found that the epitope of the neutralizing MAb is located on domain II of gB and is accessible to solvents. These results indicate that Asn at position 347, the linear epitope of the neutralizing MAb, does not affect HHV 6A infectivity.IMPORTANCE Glycoprotein B (gB) is one of the most conserved glycoproteins among all herpesviruses and is a key factor for virus entry. Therefore, antibodies targeted to gB may neutralize virus entry. Human herpesvirus 6A (HHV-6A) encodes gB, which is translated to a protein of about 830 amino acids (aa). Using a monoclonal antibody (MAb) for HHV-6A gB, which has a neutralizing linear epitope, we analyzed the role of its epitope residue, N347, in HHV-6A infectivity. Interestingly, this gB linear epitope residue, N347, was not essential for HHV-6A growth. By constructing a homology model of HHV-6A gB, we found that N347 was located in the region corresponding to domain II. Therefore, with regard to its neutralizing activity against HHV-6A infection, the epitope on gB might be exposed to solvents, suggesting that it might be a target of the immune system. PMID- 29212947 TI - Requirement of Treg-intrinsic CTLA4/PKCeta signaling pathway for suppressing tumor immunity. AB - The ability of Tregs to control the development of immune responses is essential for maintaining immune system homeostasis. However, Tregs also inhibit the development of efficient antitumor responses. Here, we explored the characteristics and mechanistic basis of the Treg-intrinsic CTLA4/PKCeta signaling pathway that we recently found to be required for contact-dependent Treg-mediated suppression. We show that PKCeta is required for the Treg-mediated suppression of tumor immunity in vivo. The presence of PKCeta-deficient (Prkch-/ ) Tregs in the tumor microenvironment was associated with a significantly increased expression of the costimulatory molecule CD86 on intratumoral CD103+ DCs, enhanced priming of antigen-specific CD8+ T cells, and greater levels of effector cytokines produced by these cells. Similar to mouse Tregs, the GIT/PAK/PIX complex also operated downstream of CTLA4 and PKCeta in human Tregs, and GIT2 knockdown in Tregs promoted antitumor immunity. Collectively, our data suggest that targeting the CTLA4/PKCeta/GIT/PAK/PIX signaling pathway in Tregs could represent a novel immunotherapeutic strategy to alleviate the negative impact of Tregs on antitumor immune responses. PMID- 29212948 TI - Elevated urinary CRELD2 is associated with endoplasmic reticulum stress-mediated kidney disease. AB - ER stress has emerged as a signaling platform underlying the pathogenesis of various kidney diseases. Thus, there is an urgent need to develop ER stress biomarkers in the incipient stages of ER stress-mediated kidney disease, when a kidney biopsy is not yet clinically indicated, for early therapeutic intervention. Cysteine-rich with EGF-like domains 2 (CRELD2) is a newly identified protein that is induced and secreted under ER stress. For the first time to our knowledge, we demonstrate that CRELD2 can serve as a sensitive urinary biomarker for detecting ER stress in podocytes or renal tubular cells in murine models of podocyte ER stress-induced nephrotic syndrome and tunicamycin- or ischemia-reperfusion-induced acute kidney injury (AKI), respectively. Most importantly, urinary CRELD2 elevation occurs in patients with autosomal dominant tubulointerstitial kidney disease caused by UMOD mutations, a prototypical tubular ER stress disease. In addition, in pediatric patients undergoing cardiac surgery, detectable urine levels of CRELD2 within postoperative 6 hours strongly associate with severe AKI after surgery. In conclusion, our study has identified CRELD2 as a potentially novel urinary ER stress biomarker with potential utility in early diagnosis, risk stratification, treatment response monitoring, and directing of ER-targeted therapies in selected patient subgroups in the emerging era of precision nephrology. PMID- 29212949 TI - Early pridopidine treatment improves behavioral and transcriptional deficits in YAC128 Huntington disease mice. AB - Pridopidine is currently under clinical development for Huntington disease (HD), with on-going studies to better characterize its therapeutic benefit and mode of action. Pridopidine was administered either prior to the appearance of disease phenotypes or in advanced stages of disease in the YAC128 mouse model of HD. In the early treatment cohort, animals received 0, 10, or 30 mg/kg pridopidine for a period of 10.5 months. In the late treatment cohort, animals were treated for 8 weeks with 0 mg/kg or an escalating dose of pridopidine (10 to 30 mg/kg over 3 weeks). Early treatment improved motor coordination and reduced anxiety- and depressive-like phenotypes in YAC128 mice, but it did not rescue striatal and corpus callosum atrophy. Late treatment, conversely, only improved depressive like symptoms. RNA-seq analysis revealed that early pridopidine treatment reversed striatal transcriptional deficits, upregulating disease-specific genes that are known to be downregulated during HD, a finding that is experimentally confirmed herein. This suggests that pridopidine exerts beneficial effects at the transcriptional level. Taken together, our findings support continued clinical development of pridopidine for HD, particularly in the early stages of disease, and provide valuable insight into the potential therapeutic mode of action of pridopidine. PMID- 29212950 TI - PI3Kalpha inactivation in leptin receptor cells increases leptin sensitivity but disrupts growth and reproduction. AB - The role of PI3K in leptin physiology has been difficult to determine due to its actions downstream of several metabolic cues, including insulin. Here, we used a series of mouse models to dissociate the roles of specific PI3K catalytic subunits and of insulin receptor (InsR) downstream of leptin signaling. We show that disruption of p110alpha and p110beta subunits in leptin receptor cells (LRDeltaalpha+beta) produces a lean phenotype associated with increased energy expenditure, locomotor activity, and thermogenesis. LRDeltaalpha+beta mice have deficient growth and delayed puberty. Single subunit deletion (i.e., p110alpha in LRDeltaalpha) resulted in similarly increased energy expenditure, deficient growth, and pubertal development, but LRDeltaalpha mice have normal locomotor activity and thermogenesis. Blunted PI3K in leptin receptor (LR) cells enhanced leptin sensitivity in metabolic regulation due to increased basal hypothalamic pAKT, leptin-induced pSTAT3, and decreased PTEN levels. However, these mice are unresponsive to leptin's effects on growth and puberty. We further assessed if these phenotypes were associated with disruption of insulin signaling. LRDeltaInsR mice have no metabolic or growth deficit and show only mild delay in pubertal completion. Our findings demonstrate that PI3K in LR cells plays an essential role in energy expenditure, growth, and reproduction. These actions are independent from insulin signaling. PMID- 29212951 TI - Glycolytic requirement for NK cell cytotoxicity and cytomegalovirus control. AB - NK cell activation has been shown to be metabolically regulated in vitro; however, the role of metabolism during in vivo NK cell responses to infection is unknown. We examined the role of glycolysis in NK cell function during murine cytomegalovirus (MCMV) infection and the ability of IL-15 to prime NK cells during CMV infection. The glucose metabolism inhibitor 2-deoxy-?-glucose (2DG) impaired both mouse and human NK cell cytotoxicity following priming in vitro. Similarly, MCMV-infected mice treated with 2DG had impaired clearance of NK specific targets in vivo, which was associated with higher viral burden and susceptibility to infection on the C57BL/6 background. IL-15 priming is known to alter NK cell metabolism and metabolic requirements for activation. Treatment with the IL-15 superagonist ALT-803 rescued mice from otherwise lethal infection in an NK-dependent manner. Consistent with this, treatment of a patient with ALT 803 for recurrent CMV reactivation after hematopoietic cell transplant was associated with clearance of viremia. These studies demonstrate that NK cell mediated control of viral infection requires glucose metabolism and that IL-15 treatment in vivo can reduce this requirement and may be effective as an antiviral therapy. PMID- 29212952 TI - Dysregulated aldosterone secretion in persons of African descent with endothelin 1 gene variants. AB - Compared with persons of European descent (ED), persons of African descent (AD) have lower aldosterone (ALDO) levels, with the assumption being that the increased cardiovascular disease (CVD) risk associated with AD is not related to ALDO. However, the appropriateness of the ALDO levels for the volume status in AD is unclear. We hypothesized that, even though ALDO levels are lower in AD, they are inappropriately increased, and therefore, ALDO could mediate the increased CVD in AD. To test this hypothesis, we analyzed data from HyperPATH - 1,788 individuals from the total cohort and 765 restricted to ED-to-AD in a 2:1 match and genotyped for the endothelin-1 gene (EDN1). Linear regression analyses with adjustments were performed. In the total and restricted cohorts, PRA, ALDO, and urinary potassium levels were significantly lower in AD. However, in the AD group, greater ALDO dysregulation was present as evidenced by higher ALDO/plasma renin activity (PRA) ratios (ARR) and sodium-modulated ALDO suppression-to stimulation indices. Furthermore, EDN1 minor allele carriers had significantly greater ARRs than noncarriers but only in the AD group. ARR levels were modulated by a significant interaction between EDN1 and AD. Thus, EDN1 variants may identify particularly susceptible ADs who will be responsive to treatment targeting ALDO-dependent pathways (e.g., mineralocorticoid-receptor antagonists). PMID- 29212953 TI - The E3 ubiquitin ligase Siah1 regulates adrenal gland organization and aldosterone secretion. AB - Primary and secondary hypertension are major risk factors for cardiovascular disease, the leading cause of death worldwide. Elevated secretion of aldosterone resulting from primary aldosteronism (PA) is a key driver of secondary hypertension. Here, we report an unexpected role for the ubiquitin ligase Siah1 in adrenal gland development and PA. Siah1a-/- mice exhibit altered adrenal gland morphology, as reflected by a diminished X-zone, enlarged medulla, and dysregulated zonation of the glomerulosa as well as increased aldosterone levels and aldosterone target gene expression and reduced plasma potassium levels. Genes involved in catecholamine biosynthesis and cAMP signaling are upregulated in the adrenal glands of Siah1a-/- mice, while genes related to retinoic acid signaling and cholesterol biosynthesis are downregulated. Loss of Siah1 leads to increased expression of the Siah1 substrate PIAS1, an E3 SUMO protein ligase implicated in the suppression of LXR, a key regulator of cholesterol levels in the adrenal gland. In addition, SIAH1 sequence variants were identified in patients with PA; such variants impaired SIAH1 ubiquitin ligase activity, resulting in elevated PIAS1 expression. These data identify a role for the Siah1-PIAS1 axis in adrenal gland organization and function and point to possible therapeutic targets for hyperaldosteronism. PMID- 29212956 TI - ICAM1+ neutrophils promote chronic inflammation via ASPRV1 in B cell-dependent autoimmune encephalomyelitis. AB - Neutrophils contribute to demyelinating autoimmune diseases, yet their phenotype and functions have been elusive to date. Here, we demonstrate that ICAM1 surface expression distinguishes extra- from intravascular neutrophils in the mouse CNS during experimental autoimmune encephalomyelitis (EAE). Transcriptomic analysis of these 2 subpopulations indicated that neutrophils, once extravasated, acquire macrophage-like properties, including the potential for immunostimulation and MHC class II-mediated antigen presentation. In corroboration, super-resolution (3D stimulated emission-depletion [STED]) microscopy revealed neutrophils forming synapses with T and B cells in situ. Further, neutrophils specifically express the aspartic retroviral-like protease ASPRV1, which increases in the CNS during EAE and severe cases of multiple sclerosis. Without ASPRV1, mice immunized with a new B cell-dependent myelin antigen (but not with the traditional myelin oligodendrocyte glycoprotein peptide) develop a chronic phase of EAE that is less severe and even completely fades in many individuals. Therefore, ICAM1+ macrophage-like neutrophils can play both shared and nonredundant roles in autoimmune demyelination, among them perpetuating inflammation via ASPRV1. PMID- 29212957 TI - Comparison of Glass Capillary Plates and Polyethylene Fiber Bundles as Phantoms to Assess the Quality of Diffusion Tensor Imaging. AB - PURPOSE: The purpose of this study was to evaluate the suitability of two phantoms, one made of capillary plates and the other polyethylene fibers, for assessing the quality of diffusion tensor imaging (DTI). METHODS: The first phantom was a stack of glass capillary plates with many parallel micropores (CP). The second phantom was a bundle of polyethylene fiber Dyneema held together with a thermal shrinkage tube (Dy). High resolution multi-shot echo planar imaging (EPI) DTI acquisitions were performed at b-values of 0 and 1000 s/mm2 and diffusion-times (Tdiff) of 37.7 and 97.7 ms on a preclinical 7T MRI scanner. Thirty diffusion-encoding directions were used. The data were used to calculate the fractional anisotropy (FA), mean diffusivity (MD), and angular dispersion (AD). Further acquisitions were performed at b-values from 0 to 8000 s/mm2 in 14 steps with the diffusion gradient applied parallel (axial) and perpendicular (radial) to the Z direction. On the other hand, the data acquired with a 3T MRI scanner were used to confirm that measurements on a clinical machine are consistent with the 7T MRI results. RESULTS: The dependence of FA, MD and AD on Tdiff was smaller for the Dy than for the CPs. The b-value-dependent signal attenuations in the axial direction at Tdiff = 37.7 and 97.7 ms were similar for both phantoms. In the radial direction, Dy demonstrated similar b-value attenuation to that of in vivo tissue for both Tdiffs, but the attenuation for the CPs was affected by the change in Tdiff. Parameter estimates were similar for 3T and 7T MRI. CONCLUSION: The characteristics of the CP indicate that it can be used as a restricted-diffusion dominant phantom, while the characteristics of the Dy suggest that it can be used as a hindered-diffusion dominant phantom. Dy may be more suitable than CP for DTI quality control. PMID- 29212955 TI - Myeloperoxidase-derived 2-chlorofatty acids contribute to human sepsis mortality via acute respiratory distress syndrome. AB - Sepsis-associated acute respiratory distress syndrome (ARDS) is characterized by neutrophilic inflammation and poor survival. Since neutrophil myeloperoxidase (MPO) activity leads to increased plasma 2-chlorofatty acid (2-ClFA) levels, we hypothesized that plasma concentrations of 2-ClFAs would associate with ARDS and mortality in subjects with sepsis. In sequential consenting patients with sepsis, free 2-ClFA levels were significantly associated with ARDS, and with 30-day mortality, for each log increase in free 2-chlorostearic acid. Plasma MPO was not associated with either ARDS or 30-day mortality but was correlated with 2-ClFA levels. Addition of plasma 2-ClFA levels to the APACHE III score improved prediction for ARDS. Plasma 2-ClFA levels correlated with plasma levels of angiopoietin-2, E selectin, and soluble thrombomodulin. Endothelial cells treated with 2-ClFA responded with increased adhesion molecule surface expression, increased angiopoietin-2 release, and dose-dependent endothelial permeability. Our results suggest that 2-ClFAs derived from neutrophil MPO-catalyzed oxidation contribute to pulmonary endothelial injury and have prognostic utility in sepsis associated ARDS. PMID- 29212954 TI - Inhibition of AKT signaling uncouples T cell differentiation from expansion for receptor-engineered adoptive immunotherapy. AB - Adoptive immunotherapies using T cells genetically redirected with a chimeric antigen receptor (CAR) or T cell receptor (TCR) are entering mainstream clinical practice. Despite encouraging results, some patients do not respond to current therapies. In part, this phenomenon has been associated with infusion of reduced numbers of early memory T cells. Herein, we report that AKT signaling inhibition is compatible with CAR and TCR retroviral transduction of human T cells while promoting a CD62L-expressing central memory phenotype. Critically, this intervention did not compromise cell yield. Mechanistically, disruption of AKT signaling preserved MAPK activation and promoted the intranuclear localization of FOXO1, a transcriptional regulator of T cell memory. Consequently, AKT signaling inhibition synchronized the transcriptional profile for FOXO1-dependent target genes across multiple donors. Expression of an AKT-resistant FOXO1 mutant phenocopied the influence of AKT signaling inhibition, while addition of AKT signaling inhibition to T cells expressing mutant FOXO1 failed to further augment the frequency of CD62L-expressing cells. Finally, treatment of established B cell acute lymphoblastic leukemia was superior using anti-CD19 CAR-modified T cells transduced and expanded in the presence of an AKT inhibitor compared with conventionally grown T cells. Thus, inhibition of signaling along the PI3K/AKT axis represents a generalizable strategy to generate large numbers of receptor modified T cells with an early memory phenotype and superior antitumor efficacy. PMID- 29212958 TI - Estimating Age at Death Based on Costal Cartilage Calcification. AB - Age estimation is a crucial part of forensic investigations. Because different parts of the body are often found at crime scenes, it is important to explore the regions that can be used for age estimation. Previous studies have used simple X ray to analyze changes in costal cartilage calcification as a measure of age. Here, we tested whether age could be better estimated using measurements of costal cartilage calcification on postmortem CT images. In this study, male and female decedents (n = 10 each) from autopsy cases were grouped into 10-year incremental age groups (20-29 y; 30-39 y; up to 89 y). We found that the mean Hounsfield unit (CT number) and percentage calcification (the ratio of the ossified area to the whole area) increased with age for both sexes. However, there were marked individual differences within many of the groups, and this led to a statistically significant difference (P < 0.05) only between the 20-29 y group and the older age groups. To improve the ability to correctly assign cases to age groups, we introduced and reanalyzed the data using Bayesian statistics. This improved the classifications rates, with 40% of males and 35% of females correctly assigned into their age groups. Broadening the age range could further improve the number of matches. Thus, combining Bayesian statistics with CT imaging can be used to estimate age at death from costal cartilage calcification, and could be used as an adjunct in forensic investigations. PMID- 29212959 TI - Geriatric Nutritional Risk Index Predicts Cardiovascular Events in Patients at Risk for Heart Failure. AB - BACKGROUND: The geriatric nutritional risk index (GNRI) is a simple and objective nutritional assessment tool for elderly patients. Lower GNRI values are associated with a worse prognosis in patients with heart failure (HF). However, few data are available regarding the prognostic effect of the GNRI value for risk stratification in patients at risk for HF.Methods and Results:We retrospectively investigated 1,823 consecutive patients at risk for HF (Stage A/B) enrolled in the IMPACT-ABI Study. GNRI on admission was calculated as follows: 14.89*serum albumin (g/dL)+41.7*body mass index/22. Patients were divided into 2 groups according to the median GNRI value (107.1). The study endpoint was a composite of cardiovascular (CV) events, including CV death and hospitalization for worsening HF. Over a 4.7-year median follow-up, CV events occurred in 130 patients. In the Kaplan-Meier analysis, patients with low GNRI (<107.1, n=904) showed worse prognoses than those with high GNRI (>=107.1, n=919) (20.2% vs. 12.4%, P<0.001). In the multivariable Cox proportional hazards analysis, low GNRI was significantly associated with the incidence of CV events (hazard ratio: 1.48, 95% confidence interval: 1.02-2.14; P=0.040). CONCLUSIONS: The simple and practical assessment of GNRI may be useful for predicting CV events in patients with Stage A/B HF. PMID- 29212960 TI - Life-Threatening Ventricular Arrhythmia Following Exercise-Induced Vasospastic Myocardial Ischemia at the Site of a Myocardial Bridge With Progressive J-Wave Manifestation. PMID- 29212961 TI - Ubiquitin-proteasome system modulates zygotic genome activation in early mouse embryos and influences full-term development. AB - Maternal RNA/protein degradation and zygotic genome activation (ZGA), occurring during maternal-to-zygotic transition (MZT), are the first essential events for the development of pre-implantation embryos. Previously, we have shown the importance of the ubiquitin-proteasome system (UPS) for initiation of minor ZGA at the 1-cell stage of mouse embryos. However, little is known about the mechanism of involvement of the UPS-degraded maternal proteins in ZGA. In this study, we investigated the effect of inhibiting maternal protein degradation by the reversible proteasome inhibitor, MG132, on post-implantation development and ZGA regulation during early cleavage stages. Our study revealed that zygotic transcription by RNA polymerase II (Pol II) at the 1-cell stage was delayed and the full-term development was affected by transient proteasome inhibition during 1 to 9 h post-insemination (hpi). Furthermore, we found that the transient inhibition of proteasome activity at the 2-cell stage delayed the onset of transcription of some major ZGA genes. These results support the model hypothesizing the requirement of sequential degradation of maternal proteins by UPS for the proper onset of ZGA and normal progression of MZT in early mouse embryos. PMID- 29212963 TI - Association Between Elevated Echocardiographic Index of Left Ventricular Filling Pressure and Acute Kidney Injury After Off-Pump Coronary Artery Surgery. AB - BACKGROUND: The ratio of the early transmitral flow velocity to early diastolic velocity of the mitral annulus (E/e') is an echocardiographic index of mean left ventricular (LV) filling pressure. We investigated the association between the preoperative E/e' ratio and postoperative acute kidney injury (AKI) during off pump coronary artery bypass surgery (OPCAB).Methods and Results:We reviewed 585 patients who underwent OPCAB and with preserved LV ejection fraction determined by preoperative echocardiography. AKI was determined by the Kidney Disease Improving Global Outcomes (KDIGO) criteria. Multivariable logistic regression analysis was performed. E/e' was also analyzed as 3 categories (E/e' <8, 8<=E/e'<=15, and E/e' >15) and as a continuous variable. A propensity score analysis was used to match the patients with E/e' >15 and E/e' <=15. A preoperative E/e' >15 was an independent predictor for AKI (odds ratio 3.01, 95% confidence interval 1.40-6.17). E/e' >15 was also an independent predictor for AKI when E/e' was analyzed with 3 categories or as a continuous variable. In the matched sample, the incidence of AKI and 1-year mortality was significantly higher in patients with E/e' >15. CONCLUSIONS: Among patients undergoing OPCAB with preserved LV systolic function, a preoperative E/e' ratio >15 was an independent predictor of postoperative AKI. Measurement of the preoperative E/e' ratio may help to assess the risk of postoperative AKI. PMID- 29212962 TI - Effects of insulin-like growth factor-1 on the in vitro maturation of canine oocytes. AB - The maturation rate of canine oocytes during in vitro maturation (IVM) needs to be improved. The present study was designed to evaluate the effects of insulin like growth factor-1 (IGF-1) on the IVM of canine oocytes. Ovaries were obtained by ovariohysterectomy and were sliced to release cumulus-oocyte complexes (COCs). In Experiment 1, the effects of different concentrations of IGF-1 on the nuclear maturation of oocytes was investigated. The COCs were cultured in a modified medium (mTCM199) with IGF-1 (0, 0.5, 5, 10, and 50 ug/ml). At the end of the 48 h culture, oocytes were fixed and stained to evaluate their nuclear stage. Supplementation with 50 ug/ml IGF-1 induced a significantly higher metaphase II (MII) rate (P < 0.05) compared to the 0 and 0.5 MUg/ml IGF-1 groups. In Experiment 2, the expression levels of insulin receptor (INSR), IGF-1 receptor (IGF-1R), and IGF-2 receptor (IGF-2R) genes, localized to canine oocytes and cumulus cells, were investigated before and after IVM. The expression level of IGF-1R in cumulus cells after IVM was higher than that before IVM (P < 0.05). In Experiment 3, it was investigated whether an inhibitor of PTEN (phosphatase and tensin homolog), bpV, affects the nuclear maturation of oocytes. Regardless of bpV supplementation at a concentration of 0.2 to 200 umol/l, there was no significant difference in the proportion of oocytes that reached the MII stage. These results indicated that IGF-1 has a favorable effect on the IVM of canine oocytes, possibly through the stimulation of the Ras/MAPK pathway via IGF-1R expressed in cumulus cells. PMID- 29212964 TI - Simple Determination of Plasma Ponatinib Concentration Using HPLC. AB - Ponatinib, a novel tyrosine kinase inhibitor marketed in 2016, is a key drug used for treating chronic myeloid leukemia and Philadelphia chromosome-positive acute lymphoblastic leukemia. This study aimed to develop a simple method for determining plasma ponatinib concentration. The analysis required extraction of a 400-uL sample of plasma and precipitation of proteins using an Oasis HLB cartridge. Ponatinib and bosutinib, which is used as an internal standard, were separated by HPLC using a mobile phase of acetonitrile : 0.037 mol/L KH2PO4 (pH 4.5) (39 : 61, v/v) on a Capcell Pack C18 MG II (25*4.6 mm) monitored at 250 nm, with a flow rate of 1.0 mL/min. This assay method was then used for determining plasma ponatinib concentration in a 42-year-old man treated with ponatinib at 15 mg/d. The calibration curve was found to be linear for the plasma concentration range of 5-250 ng/mL with a regression coefficient (r2) of 0.9999. The coefficients of intra-day and inter-day validation under these concentrations were 2.1-6.0 and 4.5-8.0%, respectively. The assay accuracy was -1.5-9.0%, and the recovery was greater than 86%. The plasma concentration of the patient at 2.5 and 3 h after 15 mg ponatinib administration was 43.6 and 49.3 ng/mL, respectively. This method of HPLC equipped with UV detection for determining plasma ponatinib concentration has several advantages, such as simplicity and applicability to routine therapeutic drug monitoring at hospital laboratories. PMID- 29212965 TI - Effects of Ezetimibe-Statin Combination Therapy on Coronary Atherosclerosis in Acute Coronary Syndrome. AB - BACKGROUND: The results of previous clinical trials on the effects of ezetimibe statin combination therapy on atherosclerosis are inconsistent, and the anti atherosclerotic effect of ezetimibe remains controversial.Methods and Results:We conducted a prospective, randomized open-label study at 10 centers. One hundred and twenty-eight statin-naive patients with acute coronary syndrome (ACS) undergoing intravascular ultrasound (IVUS)-guided percutaneous coronary intervention were randomized to receive either 2 mg/day pitavastatin plus 10 mg/day ezetimibe, or 2 mg/day pitavastatin. One hundred and 3 patients had evaluable IVUS of non-culprit coronary lesions at baseline and at follow-up. The primary endpoint was the percentage change in non-culprit coronary plaque volume (PV) and lipid PV on integrated backscatter IVUS. Mean low-density lipoprotein cholesterol was reduced from 123 mg/dL to 64 mg/dL in the combination therapy group (n=50) and 126 mg/dL to 87 mg/dL in the statin alone group (n=53; between group difference, 16.9%, P<0.0001). The percent change in PV was -5.1% in the combination therapy group and -6.2% in the statin alone group (P=0.66), although both groups had reduction of PV compared with baseline (both P<0.01). The percent change in lipid PV did not differ between the groups (4.3 vs. -3.0%, P=0.37). CONCLUSIONS: In statin-naive patients with ACS, combined therapy with ezetimibe and statin did not result in a significant change in coronary plaque regression or tissue component compared with statin alone. [Clinical Trial Registration: www.clinicaltrials.gov (NCT00549926)]. PMID- 29212966 TI - Know Me! Unraveling the Riddle of Calcific Aortic Valve Disease by Bioinformatics. PMID- 29212968 TI - ? PMID- 29212967 TI - Integrated Bioinformatics Analysis Predicts the Key Genes Involved in Aortic Valve Calcification: From Hemodynamic Changes to Extracellular Remodeling. AB - In our aging world, increasing numbers of people are suffering from calcific aortic valve disease (CAVD). In this study, we used integrated bioinformatics analysis to predict several key genes that are involved in the initiation and progression of CAVD. Expression profiles of 15 calcific and 14 normal human aortic valve samples were generated from two gene expression datasets (GSE12644 and GSE51472). Dataset GSE26953 from the human aortic valve fibrosa-derived endothelial cells cultured under laminar or oscillatory shear stress was also evaluated. Related R packages were used to process the data. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed for functional annotation. Hub genes were identified based on the protein-protein interaction network. CAVD-related gene modules were identified by Weighted Gene Co-expression Network Analysis (WGCNA). The predicted key genes were manually reviewed. In our present work, complex connections among mechano response, oxidative stress, inflammation and extracellular remodeling pathways in the etiology of CAVD were revealed. The key genes, thus identified, encode a transcription factor KLF2 and phospholipid phosphatase 3 (PLPP3) that are involved in mechano-responses; eNOS involved in oxidative stress; IL-8 involved in inflammation; and collagen triple helix repeat containing 1 (CTHRC1) and secretogranin II (SCG2) involved in extracellular remodeling. These gene products are predicted to play critical roles in CAVD development and progression. The present study provides valuable information for future research and drug development. PMID- 29212969 TI - [Analysis of long-term survivors with cardiac AL amyloidosis]. AB - Cardiac AL amyloidosis (CA) is generally known as a severe disease with very poor prognosis. Here we retrospectively examined seven patients with CA in our cohort who achieved long-term survival. All six patients who underwent high-dose melphalan and autologous stem cell transplantation (ASCT) survived for >3 years, whereas four patients survived for >5 years. Patients who underwent ASCT had prompt hematological responses, and five patients showed organ responses. ASCT helps to achieve a quick and deep hematological response required for long-term survival in patients with CA. New agents have been implemented for the treatment of CA. However, the risks and benefits of each treatment modality should be considered according to patient condition, thus making the best use of ASCT in combination with new agents for the treatment of CA. PMID- 29212970 TI - [Prior harvesting and cryopreservation of peripheral blood stem cells from related donors: current situations in Japan]. AB - Although peripheral blood stem cell (PBSC) transplantations in an unrelated transplant setting have been performed since 2010, prior harvesting and cryopreservation of PBSCs from unrelated donors has not been approved in Japan. There are no restrictions with regard to related donors. Therefore, in April 2015, we conducted a nationwide survey and obtained written answers from 123 transplant hospitals throughout Japan. Our survey revealed that as much as 81.3% of transplant hospitals routinely perform prior harvesting and cryopreservation of PBSCs from related donors and that both cell processing and quality management of cryopreserved products have been appropriately conducted in line with domestic guidelines, although post-thaw quality control and storage period setting require further improvements. Moreover, informed consent obtained from both patients and donors with regard to cryopreservation of PBSCs was not always sufficient in some hospitals. We found that the average number of unused or discarded cryopreserved PBSCs is 1.09 per hospital, and the overall nonuse or discard rates of cryopreserved PBSCs were estimated to be as low as 2.67%. PMID- 29212971 TI - [Chronic myeloid leukemia complicated by pulmonary hypertension during dasatinib therapy: a single-center retrospective study]. AB - Pulmonary artery hypertension (PAH) has been reported to be a severe adverse event associated with dasatinib therapy. Among the 76 chronic myeloid patients who were treated with dasatinib at our hospital, six patients showed high estimated pulmonary arterial systolic pressure, as observed by echocardiography. PAH was confirmed using right heart catheterization in three (3.9%) patients with increased mean pulmonary artery pressure (mPAP). In one patient, although mPAP was higher than the normal range, it did not fulfill the criteria of pulmonary hypertension. After the discontinuation of dasatinib, BNP and dyspnea were improved in five patients. Therefore, it should be noted that dasatinib can cause PAH at higher rates than those reported previously, and if PAH is confirmed or suspected during dasatinib therapy, then dasatinib should be immediately discontinued. PMID- 29212972 TI - [Lenalidomide and low-dose dexamethasone therapy for Japanese patients with newly diagnosed multiple myeloma: updated results of the MM-025 study]. AB - In a Japanese phase II study (MM-025), the efficacy and safety of lenalidomide plus low-dose dexamethasone (Rd) were confirmed at a median follow-up of 14.2 months in patients with newly diagnosed multiple myeloma who were ineligible for hematopoietic stem cell transplantation. In the present report, we analyzed the follow-up data from the abovementioned study. Treatment was stopped for all 26 patients after a median follow-up of 31.3 months, and the median treatment duration was approximately 25 months. The overall response rate was 87.5%, and the complete response rate was 20.8%. The median duration of response and progression-free survival were 30.7 and 31.6 months, respectively. The median overall survival has not yet been reached. At least one grade 3/4 adverse event was experienced by 23 patients (88.5%), and 18 patients (69.2%) experienced serious adverse events. There were no treatment-related deaths. Therefore, the efficacy and safety of Rd were confirmed in transplant-ineligible Japanese patients with newly diagnosed multiple myeloma at the present follow-up period. PMID- 29212973 TI - [Refractory CD20-positive peripheral T-cell lymphoma showing loss of CD20 expression after rituximab therapy and gain of CD20 expression after administration of vorinostat and gemcitabine]. AB - A 79-year-old male patient presented with systemic lymphadenopathy. A lymph node biopsy revealed effacement of the normal nodal architecture with diffuse proliferation of medium-sized atypical lymphoid cells. Southern blot analyses demonstrated rearrangement of the T-cell receptor gene but not the immunoglobulin heavy chain gene. He was diagnosed with CD20-positive peripheral T-cell lymphoma (PTCL), NOS. Although he achieved partial remission after six cycles of R-CHOP, he relapse occurred after 2 months. CD20-negative conversion was confirmed in the lymph node, which was positive for CCR4, and the skin at the time of relapse. The patient received the GDP regimen as salvage therapy with the addition of vorinostat for skin involvement; however, he failed to respond, and the disease systemically progressed. Furthermore, he also exhibited progression in the skin after stopping vorinostat due to hematologic toxicity. A lymph node biopsy at progression revealed CD20 re-expression by immunohistochemistry. At progression, the patient received mogamulizumab but failed to respond, and he died owing to disease progression 8 months after relapse. In this case, we demonstrated CD20 negative conversion following rituximab and CD20-positive reversion after using vorinostat and gemcitabine. PMID- 29212974 TI - [IgE-kappa type multiple myeloma achieving complete response with novel agents]. AB - IgE multiple myeloma (MM) is a rare subtype of MM characterized by an aggressive and poor prognosis. Although novel agents have improved the prognosis of MM, there are few case reports of IgE MM treated with these agents. A 53-year-old male patient presented with pain in the right rib and was diagnosed with IgE kappa MM. He was treated with multidrug chemotherapy, including bortezomib and lenalidomide, and underwent autologous stem-cell transplantation (ASCT). Finally, he achieved a complete response after the initiation of pomalidomide. In previous reports, majority of patients with refractory IgE MM treated with novel agents had a poor prognosis. In contrast, patients who were treated with novel agents from the beginning and underwent ASCT had a long-term survival. Overall, the use of novel agents as the first-line therapy is expected to improve IgE MM prognosis. PMID- 29212975 TI - [Diffuse large B-cell lymphoma complicated with drug-induced vasculitis during administration of pegfilgrastim]. AB - A 59-year-old female with diffuse large B-cell lymphoma was treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone (R-CHOP) regimen. In addition, we administered pegfilgrastim for treating chemotherapy induced febrile neutropenia. She complained of fever and neck and chest pain a few days after pegfilgrastim administration during the third and fourth courses of R-CHOP. Radiological imaging revealed an inflammation of large vessels, which led to the diagnosis of drug-associated vasculitis. We confirmed that vasculitis observed in this case was caused by pegfilgrastim administration because similar symptoms appeared with both injections of pegfilgrastim. PMID- 29212976 TI - [Congenital leukemia showing lineage switch following induction chemotherapy and attaining long-term remission after HLA-haploidentical stem cell transplantation]. AB - Congenital leukemia is a rare subgroup of childhood leukemia. Lineage switches in leukemic cells are relatively rare events, which have been occasionally reported in congenital leukemia. To the best of our knowledge, the survival of congenital leukemia patients with lineage switch has not been previously documented. This lack of documentation may be attributable to extremely poor prognosis of these patients. We describe a case of a newborn female with initial diagnosis of MLL AF4 positive B-precursor acute lymphoblastic leukemia, who developed lineage switch to acute monocytic leukemia following the induction therapy. Although morphological remission was temporary, she received an HLA-haploidentical bone marrow transplant from her father with non-remission status because of an early relapse at the age of 4 months. Despite many difficulties such as graft-versus host disease, growth impairment, and psychomotor retardation, she remained in remission for 3 years and 7 months after the transplant. This successful outcome suggests that the graft-versus-leukemia effect was potentially accomplished in the patient. Taken together, early HLA-haploidentical stem cell transplant following remission is required for congenital leukemia patients with lineage switch, and it may be an effective alternative for refractory patients. PMID- 29212977 TI - [Philadelphia chromosome-positive acute lymphoblastic leukemia complicated by concomitant Achromobacter xylosoxidans and Corynebacterium striatum bacteremia following allogeneic hematopoietic stem cell transplantation]. AB - A 54-year-old woman with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ALL) underwent hematopoietic stem cell transplantation from an HLA matched sibling. Subsequently, she suffered from chronic graft versus host disease (GvHD) and received medical treatment. Fever developed on day 697 and resulted in a shock state at 10 h after the visit. Achromobacter xylosoxidans was detected in the initial blood culture on day 699. General conditions exacerbated even after the start of meropenem hydrate (MEPM, Meropen(r)) administration, with Corynebacterium striatum detected as an additional species in the initial blood culture on day 701. Although vancomycin hydrochloride (VCM, Vancomycin(r)) was administered, the conditions did not improve. She died on day 702. Between January 2012 and December 2016, A. xylosoxidans was detected only in nine cases in our hospital, which included five with hematological malignancies and only one (present) with sepsis. At the same time, Corynebacterium species were detected in blood cultures from 39 cases in our hospital, which included 31 with hematological malignancies. Some reports on drug-resistant A. xylosoxidans and C. striatum have been published. Infections with these species may become fatal when complicated by sepsis in immunocompromised patients with hematological malignancies. More cases should be accumulated for detailed investigation. PMID- 29212978 TI - [Acute myeloid leukemia complicated by pneumonia and vertebral osteomyelitis during induction chemotherapy]. AB - A 76-year-old woman was operated on for rectal cancer in 2011 without chemotherapy and was followed up in the outpatient department. Decrease in white blood cell count was observed from 2013, and she developed anemia in 2015. Bone marrow aspiration was performed, and she was diagnosed with acute myeloid leukemia with myelodysplasia-related changes (AML/MRC). First, remission induction therapy was initiated with idarubicin and cytarabine administration, but pneumonia and vertebral osteomyelitis developed during the neutropenic period. Although the progress of antibiotics aided in the improvement of the recent prognosis of vertebral osteomyelitis compared with the past, poor prognosis with high death rate was still inevitable. Then, consolidation therapy was initiated with azacitidine (AZA) administration, and treatment was carried out for vertebral osteomyelitis with several antibiotics in parallel, which together led to the successful treatment of vertebral osteomyelitis while maintaining a remission state of AML. Because AZA is known to be well-tolerated and neutropenic phase is shorter than intensive chemotherapy in general, it can be an effective treatment option for patients who need both infection control and AML treatment. PMID- 29212979 TI - [Clinical features and quality of life assessment in Japanese PNH patients enrolled in the International PNH Registry]. AB - The aim of the present study was to clarify the clinical characteristics and quality of life (QOL) of Japanese patients (N=116) enrolled in the International PNH Registry, compared to the whole registry cohort (N=3,457), censored as of March 2015. The proportion of patients treated with eculizumab was comparable between the two cohorts; the Japanese cohort showed higher levels of lactate dehydrogenase and lower hemoglobin values at baseline. Compared to the whole cohort, the Japanese cohort had a greater incidence of bone marrow failure (67.4% vs 56.8%), but fewer episodes of thrombotic events in their medical history (6.4% vs 13.3%), and lower reported rates of abdominal pain (11.9% vs 33.9%), dysphagia (1.7% vs 16.4%), and erectile dysfunction (5.6% vs 25.3%). Additionally, assessment of QOL using FACIT-Fatigue and EORTC QLQ-C30 confirmed that the Japanese cohort had better QOL scores in most of the QOL subscales at baseline. These data are the first report of QOL outcomes for the Japanese cohort in the International PNH Registry; further assessments are ongoing. PMID- 29212980 TI - ? PMID- 29212981 TI - ? PMID- 29212982 TI - ? PMID- 29212983 TI - ? PMID- 29212984 TI - [Erratum]. PMID- 29212985 TI - Bone Formation Parameters of the Biopsied Ilium Differ between Subtrochanteric and Diaphyseal Atypical Femoral Fractures in Bisphosphonate-Treated Patients. AB - Atypical femoral fractures (AFFs) are defined as atraumatic or low-trauma fractures located in the subtrochanteric or diaphyseal sites. Long-term bisphosphonates (BPs) are administered to prevent fragility fractures in patients with primary osteoporosis or collagen diseases who are already taking glucocorticoids (GCs). Long-term BP use is one of the most important risk factors for AFFs. Its pathogenesis is characterized by severely suppressed bone turnover (SSBT), but whether the characteristics of patients are different regarding to location of fracture site remains unknown. In this study, we compared the characteristics and bone histomorphometric findings between subtrochanteric and diaphyseal sites in patients with BP-associated AFFs. Nine women with BP associated AFFs were recruited, including 3 with systemic lupus erythematosus, 2 with rheumatoid arthritis, 2 with primary osteoporosis, 1 with polymyalgia rheumatica, and 1 with sarcoidosis. Patients were divided into the subtrochanteric group (n = 5; average age, 52 years; BP treatment, 5.9 years) and the diaphyseal group (n = 4; average age, 77 years; BP treatment, 2.6 years). Compared with the diaphyseal group, the subtrochanteric group had significantly higher daily GC doses (average, 10.9 vs. 2.3 mg/day) and significantly lower serum 25-hydroxyvitamin-D levels (17.8 vs. 25.6 ng/mL). Bone histomorphometry of the biopsied iliac bone showed SSBT in 3 cases (subtrochanteric, n = 1; diaphyseal, n = 2). Osteoid volume and trabecular thickness were significantly lower in the subtrochanteric group than in the diaphyseal group. Bone formation was inhibited more severely in subtrochanteric than in the diaphyseal group due to the higher GC doses used. PMID- 29212986 TI - Effect of PEAR1 Genetic Variants on 1-Year Outcomes in Chinese Patients with Acute Myocardial Infarction After Percutaneous Coronary Intervention. AB - AIMS: Platelet endothelial aggregation receptor-1 (PEAR1) is a platelet transmembrane protein that plays an important role on platelet aggregation. The aim of this study was to investigate whether PEAR1 genetic variations are associated with 1-year outcomes in Chinese patients with acute myocardial infarction after percutaneous coronary intervention. METHODS: A total of 647 consecutive Chinese patients with acute myocardial infarction that underwent percutaneous coronary intervention and that were exposed to standard dual antiplatelet therapy with aspirin and clopidogrel were enrolled in this study. Six single nucleotide polymorphisms of PEAR1 were detected using the ligase detection reaction method. The follow-up period was 12 months. RESULTS: Overall, 66 (10.2%) adverse ischemic events occurred. Multivariate Cox regression analysis showed that carriage of the PEAR1 rs56260937 minor allele was an independent predictor of revascularization events (OR=2.15, 95% CI 1.12-4.15, p=0.022) after adjusting for confounding factors. CONCLUSIONS: Genetic testing for PEAR1 variants can be helpful in predicting adverse ischemic events in Chinese patients with acute myocardial infarction after percutaneous coronary intervention. PMID- 29212988 TI - New development of research on personal protective equipment (PPE) for occupational safety and health. PMID- 29212987 TI - Association of Coronary Artery Calcification with Estimated Coronary Heart Disease Risk from Prediction Models in a Community-Based Sample of Japanese Men: The Shiga Epidemiological Study of Subclinical Atherosclerosis (SESSA). AB - AIM: The clinical significance of coronary artery calcification (CAC) is not fully determined in general East Asian populations where background coronary heart disease (CHD) is less common than in USA/Western countries. We cross sectionally assessed the association between CAC and estimated CHD risk as well as each major risk factor in general Japanese men. METHODS: Participants were 996 randomly selected Japanese men aged 40-79 y, free of stroke, myocardial infarction, or revascularization. We examined an independent relationship between each risk factor used in prediction models and CAC score >=100 by logistic regression. We then divided the participants into quintiles of estimated CHD risk per prediction model to calculate odds ratio of having CAC score >=100. Receiver operating characteristic curve and c-index were used to examine discriminative ability of prevalent CAC for each prediction model. RESULTS: Age, smoking status, and systolic blood pressure were significantly associated with CAC score >=100 in the multivariable analysis. The odds of having CAC score >=100 were higher for those in higher quintiles in all prediction models (p-values for trend across quintiles <0.0001 for all models). All prediction models showed fair and similar discriminative abilities to detect CAC score >=100, with similar c-statistics (around 0.70). CONCLUSIONS: In a community-based sample of Japanese men free of CHD and stroke, CAC score >=100 was significantly associated with higher estimated CHD risk by prediction models. This finding supports the potential utility of CAC as a biomarker for CHD in a general Japanese male population. PMID- 29212989 TI - [Challenges in community medicine]. PMID- 29212990 TI - [What to learn from the Patient-Centered Medical Home]. PMID- 29212991 TI - [Stroke of the elderly]. PMID- 29212992 TI - [Current picture of cerebral hemorrhage in the elderly]. PMID- 29212994 TI - [Risk factor control for preventing stroke]. PMID- 29212993 TI - [Vascular dementia in the elderly]. PMID- 29212995 TI - [State of glycemic control in elderly diabetic patients]. AB - AIM: The Japan Diabetes Society and The Japan Geriatric Society made a joint committee and published a new glycemic target in May 2016. Because reports on the state of glycemic control in elderly diabetic patients are insufficient, we investigated the state of glycemic control in this population before the new glycemic target was established. METHODS: We enrolled patients older than 65 years of age who had been prescribed antidiabetic drugs and hospitalized in the geriatric department of Nagoya University Hospital from April 1, 2015, to March 31, 2016. We investigated the participants' HbA1c, prescription of antidiabetic drugs carrying risks of severe hypoglycemia (risk drugs) at hospitalization, cognitive function, basic activities of daily living, and instrumental activities of daily living. RESULTS: A total of 63 patients were enrolled. Thirty-five patients were male, the mean age was 83.1+/-5.9 years old, and the average HbA1c was 7.6%+/-1.5%. The numbers of patients assigned to categories I, II, and III were 10, 12, and 41, respectively. For prescription of risk drugs, 6 participants were assigned to category I, 8 to category II, and 22 to category III. Prescription of risk drugs was associated with the HbA1c. Approximately one third of the patients using risk drugs had a lower HbA1c than the target value. CONCLUSIONS: Risk drugs was not significantly associated with the established categories or age. Many of the patients who were prescribed risk drugs had a lower HbA1c than the target values. PMID- 29212996 TI - [A comparison of the associations of dynapenia and sarcopenia with fear of falling in elderly diabetic patients]. AB - AIM: To comparatively investigate whether dynapenia and sarcopenia, as defined by the Asian Working Group for Sarcopenia (AWGS), are associated with fear of falling in elderly patients with diabetes. METHODS: The subjects were outpatients with diabetes who were at least 65 years of age when they visited our hospital. Sarcopenia was evaluated based on the AWGS definition. The cutoff values for the appendicular skeletal mass index (multi-frequency bioelectrical impedance method), grip strength, and walking speed were, respectively, 7.0 kg/m2 for men and 5.7 kg/m2 for women, 26 kg for men and 18 kg for women, and <=0.8 m/s for both men and women. Those with grip strength of less than or equal to the cutoff value were considered to have dynapenia. Fear of falling was assessed by a self administered questionnaire survey with the Fall Efficacy Scale (FES) Japanese version. A multiple regression analysis was conducted using the FES score as a dependent variable and dynapenia or sarcopenia and moderators as explanatory variables. RESULTS: A total of 202 patients (male, n=127; female, n=75) were analyzed in this study. The FES scores of the patients with and without sarcopenia did not differ to a statistically significant extent in either male or female patients. The multiple regression analysis revealed a statistically significant association between dynapenia and the FES score in men (P=0.028). CONCLUSIONS: In elderly outpatients with diabetes, no association was found between sarcopenia and the fear of falling in either men or women. In contrast, a statistically significant association was found between dynapenia and fear of falling in men. This suggests the importance paying attention to the fear of falling when examining elderly male diabetes patients with dynapenia. PMID- 29212997 TI - [The effects of pain coping skills training among older outpatients with osteoarthritis]. AB - AIM: The present study examined the effects of individual pain coping-skills training (PCST) on knee pain, pain coping strategies, physical functions, and daily physical activity among older outpatients with osteoarthritis. METHODS: Twenty-five older adults who suffered from knee pain and had been diagnosed to have knee osteoarthritis (men: n=4; 75.4+/-6.3 years) were assigned to either a PCST group (n=13) or a general health education group (n=12) according to their wishes. Both groups attended 20-minutes sessions once a week for 8 weeks. At the baseline, the basic attributes (e.g. gender, age, duration of knee pain, and medical history), BMI, and the severity of knee osteoarthritis were obtained. Additionally, knee pain and limitations in mobility, pain coping strategies, pain self-efficacy, exercise self-efficacy, lower muscle strength, mobility, accelerometer -based time spent in physical activity and sedentary behavior were assessed before and after the 8-week intervention period. Analyses were performed using an intention-to-treat principle. Differences in each variable between the groups were examined using an analysis of covariance. Each participant's baseline value was used as the covariate. RESULTS: Even after controlling for the baseline attributes and values, only the PCST group exhibited a significant improvement in pain self-efficacy (p=0.005), exercise self-efficacy (p=0.042), lower muscle strength (p=0.004) and mobility (p=0.027). Furthermore, the PCST showed a significant increase in moderate-to vigorous-intensity physical activity (p=0.052) and a decrease in medical behaviors as one of pain coping strategies (p=0.073). CONCLUSION: The present study showed that PCST therefore appears to be a feasible and effective therapeutic strategy which improves self-efficacy for controlling knee pain, which may also result in increasing the self-efficacy for exercise, physical functions, and daily physical activities. PMID- 29212998 TI - [Spontaneous regression of lung cancer in an elderly patient: a case report]. AB - An 82 year-old male was referred to us because of a nodule in the upper lobe of his right lung, which was incidentally found by computed tomography (CT) carried out in the course of treating pneumonia. The nodule was identified as non keratinizing squamous cell carcinoma of the lung by bronchoscopy. A close investigation revealed the tumor to be cT1bN3M1b, clinical Stage IV. Although we only adopted a wait-and-see approach because of his age and his suspected myelodysplastic syndrome, the nodule had regressed on CT images after a year. Fluorodeoxyglucose-positron emission tomography showed apparently decreased uptakes in the lymph nodes and adrenal gland. We considered this to be a systemic observation of spontaneous regression of carcinoma. PMID- 29212999 TI - [A case of hyperammonemia resulting from urinary tract infection caused by urease producing bacteria in a Parkinson's disease patient with drug-induced urinary retention]. AB - A 71-year-old woman with a 9-year history of Parkinson's disease was admitted to our hospital emergently because of consciousness disturbance. Her consciousness level was 200 on the Japan coma scale (JCS), and she presented with tenderness and distension of the lower abdomen. Brain computed tomography showed normal findings. Blood tests showed an increased ammonia level (209 MUg/dl) with normal AST and ALT levels. We catheterized the bladder for urinary retention. Five hours after admission, the blood ammonia level decreased to 38 MUg/dl, and her consciousness level improved dramatically. Corynebacterium urearyticum, a bacterial species that produces urease, was detected by urine culture. Therefore, she was diagnosed with hyperammonemic encephalopathy resulting from urinary tract infection caused by urease-producing bacteria. In this case, urologic active agents had been administered to treat neurogenic bladder. We suspect that these drugs caused urinary obstruction and urinary tract infection. It is important to recognize that obstructive urinary tract infection caused by urease-producing bacteria can cause hyperammonemia. Neurological disorders, such as Parkinson's disease, tend to complicate neurogenic bladder. This disease should be considered in elderly patients with Parkinson's disease who are receiving urologic active drugs. PMID- 29213000 TI - [A methotrexate-associated lympholiferative disorder patient with gastrointestinal perforation]. AB - A 70-year-old woman was diagnosed with chronic rheumatoid arthritis and treated with methotrexate and prednisolone. She visited our hospital to determine the cause of her continuous fatigue and fever for the past three weeks. She consumed no food orally and was provided antibiotics because free air was found on computed tomography (CT). Intraperitoneal small lymphadenopathy and swelling of both adrenal glands was also found on CT, and MTX-associated lymphoproliferative disorder (MTX-LPD) was suspected. Am adrenal gland biopsy showed diffuse large B cell lymphoma (DLBCL) associated with MTX-LPD. The causes of gastrointestinal perforation with collagen diseases have been reported to be functional gastrointestinal disorders with collagen diseases like amyloidosis, gastrointestinal infections in immunocompromised patients, and side effects of medication, such as steroids or NSAIDs and MTX. MTX-LPD is an uncommon side effect of methotrexate. To ensure its appropriate diagnosis and treatment, it is important to improve the degree of recognition of MTX-LPD, and a prompt response is needed. PMID- 29213002 TI - [Proceedings of Regional Meeting of the Japan Geriatrics Society]. PMID- 29213001 TI - [Resumption of enteral nutrition using enteral formula containing sodium alginate following hemorrhaging after endoscopic sphincterotomy: a case report]. AB - Enteral nutrition is often performed in elderly patients with dysphagia. Choledocholithiasis is a disease that is common in elderly patients. Gastrointestinal hemorrhaging can occur in association with endoscopic sphincterotomy, and subsequent enteral nutrition must be carefully resumed. We herein report our experience using Mermed Plus containing sodium alginate after endoscopic hemostasis. The patient was an 88-year-old woman with an onset of gallstone cholangitis during rehabilitation after cerebral infarction. On day 2, endoscopic sphincterotomy and biliary drainage were performed, and the cholangitis was ameliorated. The degree of arousal and swallowing function were unstable, and a liquid diet via the nasogastric tube was initiated from day 6. Anemia progressed on day 7, and melena was observed; as a result, the intravenous administration of a proton pump inhibitor was initiated. On day 8, endoscopic hemostasis of the ulcer proximal to the papilla was performed. From day 10, we focused on the mucosal protective effects of sodium alginate, and Mermed Plus was initiated. No recurrence of hemorrhaging was observed. On day 13, the endoscopic findings revealed that the vicinity of the papilla was covered with solidified liquid diet, and the ulcer had healed. The postoperative course was uneventful, and swallowing training and rehabilitation were performed. On day 26, oral ingestion became possible. Many patients seem to be at risk of developing a gastrointestinal mucosal disorder when receiving enteral nutrition. In such cases, a liquid diet containing sodium alginate as dietary fiber is easy to use and may be useful for resuming enteral nutrition without delay. PMID- 29213004 TI - [Notice]. PMID- 29213003 TI - [Information]. PMID- 29213005 TI - [Table of Contents]. PMID- 29213006 TI - [Index]. PMID- 29213007 TI - The Value of Lesion Size as an Adjunct to the BI-RADS-MRI 2013 Descriptors in the Diagnosis of Solitary Breast Masses. AB - PURPOSE: This study aimed to evaluate the MRI findings of breast solitary masses in diagnostic procedures to decide the appropriate category based on American College of Radiology (ACR) BI-RADS-MRI 2013, with the focus on lesion size. METHODS: A retrospective review of 2,603 consecutive breast MRI reports identified 250 pathologically-proven solitary breast masses. Dynamic-contrast enhanced images and diffusion-weighted images were performed on a 3.0/1.5 Tesla Scanner with a 16/4 channel dedicated breast coil. MRI findings were re-evaluated according to ACR BI-RADS-MRI 2013. BI-RADS-MRI descriptors, lesion size and minimum apparent diffusion coefficient (ADC) value were statistically analyzed using univariate/multivariate logistic regression analysis and receiver operator characteristic (ROC) analysis. Based on the results, a diagnostic decision tree was constructed. RESULTS: Of the 250 lesions, 152 (61%) were malignant and 98 (39%) were benign. In univariate logistic regression analysis, most of the BI RADS descriptors, lesion size, and ADC value were significant. Lesion size and ADC value were binarized with optimal cut-off values of 12 mm and 1.1 * 10-3 mm2/s, respectively. Multivariate logistic regression analysis showed that lesion size (>=12 mm or not), margin (circumscribed or not), kinetics (washout or not) and internal enhancement characteristics (IEC) (rim enhancement present or absent) significantly contributed to the diagnosis (P < 0.05). Using these four significant parameters, a decision tree was constructed to categorize lesions into detailed assessment categories/subcategories (Category 4A, 4B, 4C and 5). CONCLUSION: Lesion size is an independent contributor in diagnosing solitary breast masses. Adding the information of lesion size to BI-RADS-MRI 2013 descriptors will allow more detailed categorizations. PMID- 29213008 TI - The Relationship between Neurite Density Measured with Confocal Microscopy in a Cleared Mouse Brain and Metrics Obtained from Diffusion Tensor and Diffusion Kurtosis Imaging. AB - PURPOSE: Diffusional kurtosis imaging (DKI) enables sensitive measurement of tissue microstructure by quantifying the non-Gaussian diffusion of water. Although DKI is widely applied in many situations, histological correlation with DKI analysis is lacking. The purpose of this study was to determine the relationship between DKI metrics and neurite density measured using confocal microscopy of a cleared mouse brain. METHODS: One thy-1 yellow fluorescent protein 16 mouse was deeply anesthetized and perfusion fixation was performed. The brain was carefully dissected out and whole-brain MRI was performed using a 7T animal MRI system. DKI and diffusion tensor imaging (DTI) data were obtained. After the MRI scan, brain sections were prepared and then cleared using aminoalcohols (CUBIC). Confocal microscopy was performed using a two-photon confocal microscope with a laser. Forty-eight ROIs were set on the caudate putamen, seven ROIs on the anterior commissure, and seven ROIs on the ventral hippocampal commissure on the confocal microscopic image and a corresponding MR image. In each ROI, histological neurite density and the metrics of DKI and DTI were calculated. The correlations between diffusion metrics and neurite density were analyzed using Pearson correlation coefficient analysis. RESULTS: Mean kurtosis (MK) (P = 5.2 * 10-9, r = 0.73) and radial kurtosis (P = 2.3 * 10-9, r = 0.74) strongly correlated with neurite density in the caudate putamen. The correlation between fractional anisotropy (FA) and neurite density was moderate (P = 0.0030, r = 0.42). In the anterior commissure and the ventral hippocampal commissure, neurite density and FA are very strongly correlated (P = 1.3 * 10-5, r = 0.90). MK in these areas were very high value and showed no significant correlation (P = 0.48). CONCLUSION: DKI accurately reflected neurite density in the area with crossing fibers, potentially allowing evaluation of complex microstructures. PMID- 29213009 TI - Concentration determination of urinary metabolites of N,N-dimethylacetamide by high-performance liquid chromatography-tandem mass spectrometry. AB - OBJECTIVES: N,N-Dimethylacetamide (DMAC) is widely used in industry as a solvent. It can be absorbed through human skin. Therefore, it is necessary to determine exposure to DMAC via biological monitoring. However, the precision of traditional gas chromatography (GC) is low due to the thermal decomposition of metabolites in the high-temperature GC injection port. To overcome this problem, we have developed a new method for the simultaneous separation and quantification of urinary DMAC metabolites using liquid chromatography-tandem mass spectrometry (LC MS/MS). METHODS: Urine samples were diluted 10-fold in formic acid, and 1-MUl aliquots were injected into the LC-MS/MS equipment. A C18 reverse-phase Octa Decyl Silyl (ODS) column was used as the analytical column, and the mobile phase consisted of a mixture of methanol and aqueous formic acid solution. RESULTS: Urinary concentrations of DMAC and its known metabolites (N-hydroxymethyl-N methylacetamide (DMAC-OH), N-methylacetamide (NMAC), and S- (acetamidomethyl) mercapturic acid (AMMA) ) were determined in a single run. The dynamic ranges of the calibration curves were 0.05-5 mg/l (r>=0.999) for all four compounds. The limits of detection for DMAC, DMAC-OH, NMAC, and AMMA in urine were 0.04, 0.02, 0.05, and 0.02 mg/l, respectively. Within-run accuracies were 96.5%-109.6% with relative standard deviations of precision being 3.43%-10.31%. CONCLUSIONS: The results demonstrated that the proposed method could successfully quantify low concentrations of DMAC and its metabolites with high precision. Hence, this method is useful for evaluating DMAC exposure. In addition, this method can be used to examine metabolite behaviors in human bodies after exposure and to select appropriate biomarkers. PMID- 29213010 TI - Continuous improvement of fitness-for-duty management programs for workers engaging in stabilizing and decommissioning work at the Fukushima Daiichi Nuclear Power Plant. AB - BACKGROUND: Numerous workers have participated in recovery efforts following the accident that occurred at the Tokyo Electric Power Company (TEPCO) Fukushima Daiichi Nuclear Power Plant after the Great East Japan Earthquake. These workers, belonging to various companies, have been engaged in various tasks since the accident. Given the hazards and stress involved in these tasks and the relatively long time required to transport sick or injured workers to medical institutions, it became necessary to quickly implement a more stringent management program for fitness for duty than in ordinary work environments. CASE: It took considerable time to introduce and improve a fitness-for-duty program because of several concerns. Various efforts were conducted, sometimes triggered by guidance from the Ministry of Health, Labour and Welfare (MHLW), but the implementation of the program was insufficient. In April 2016, a new program was initiated in which all primary contractors confirmed that their subcontractors had achieved five conditions for workers' fitness for duty on the basis of guidance from the MHLW and occupational health experts. TEPCO confirmed that all primary contractors had implemented the program successfully as of the end of November 2016. CONCLUSION: Following a disaster, even though the parties concerned understand the necessity of fitness-for-duty programs and that companies in high positions have responsibilities beyond their legal requirements, it is highly possible that they may hesitate to introduce such programs without guidance from the government. It is necessary to prepare a governmental framework and professional resources that introduce these stringent management programs quickly. PMID- 29213011 TI - The prevalence of occupational health-related problems in dentistry: A review of the literature. AB - : The study was conducted to report on the scope and prevalence of occupational health related-problems experienced by dentists, dental therapists, and oral hygienists in their practice of dentistry. BACKGROUND: Professional practice and dental training have many risk factors, and the dental team should be able to recognize these factors to protect themselves. The prevalence of conditions related to the musculoskeletal system, stress, percutaneous injuries, ears, and eyes are of concern. The dental team should also not forget hepatitis B, hepatitis C, and HIV as risks in practice. Dental practitioners should protect themselves by self-recognizing risk factors and by maintaining proper working conditions. METHODS: The study targeted all empirical research, case studies, and systematic literature reviews written in English. All articles selected were subjected to a data analysis process. Data were captured on an Excel spreadsheet and reported in a comprehensive table. RESULTS: The literature addressing occupational health among dental practitioners included mainly cross-sectional studies and review papers (2001-2016). Forty-nine studies were included in the review. Musculoskeletal disorders remain the most researched occupational health related problems in dentistry. Eye protection compliance was low among practitioners. Percutaneous injuries especially among young dentists and students were still a concern. CONCLUSION: Occupational health-related problems are still prevalent in current dentistry practice, despite changes in equipment and surgery design. The reported prevalence of occupational related-health problems and other findings of investigative studies highlight the need for continuous professional education and a need to improve clinical practice aspects of dentistry curricula. PMID- 29213012 TI - Guidelines for personal exposure monitoring of chemicals: Part III. AB - This Document, "Guidelines for personal exposure monitoring of chemicals" ("this Guideline"), has been prepared by "The Committee for Personal Exposure Monitoring" ("the Committee") of the Expert Division of Occupational Hygiene & Ergonomics, Japan Society for Occupational Health. Considering the background of the growing importance of personal exposure monitoring in risk assessment and the need to prepare for the introduction of monitoring using personal samplers from an administrative perspective in recent years, the Committee was organized in November 2012. The Committee has prepared this Guideline as a "practical guideline" for personal exposure monitoring, so as to offer proposals and recommendations to the members of the Japan Society for Occupational Health and to society in general. The scope of this Guideline covers all chemical substances and all related workplaces regarded as targets for general assessment and the management of risk. It thus is not to be considered to comment on legal regulations and methodology. The main text provides the basic methods and concepts of personal exposure monitoring, while 31 "Appendices" are provided in this Guideline throughout the series; technical descriptions, statistical bases, and actual workplace examples are provided in these appendices, to assist better understanding. The personal exposure monitoring described as per this Guideline is equivalent to an "expert-centered basic method to reasonably proceed with the assessment and management of risk at workplaces." It is considered that practicing and expanding on this method will significantly contribute in reforming the overall framework of occupational hygiene management in Japan. PMID- 29213013 TI - Annexin A1 is a novel target gene of gonadotropin-releasing hormone in LbetaT2 gonadotrope cells. AB - Gonadotropin-releasing hormone (GnRH) regulates gonadotropin secretion. We previously demonstrated that the expression of annexin A5 (ANXA5) is stimulated by GnRH in gonadotropes and has a significant role in gonadotropin secretion. It is therefore of interest to know whether other members of the ANXA family, which consists of twelve structurally related members, are also regulated by GnRH. Therefore, the expression of all annexins was examined in LbetaT2 gonadotrope cells. ANXA4, A5, A6, A7 and A11 were detected in LbetaT2 cells. The expression of ANXA5 and A1 mRNA was stimulated by a GnRH agonist. An increase in ANXA1 protein by this agonist was demonstrated by western blotting. Immunohistochemistry showed that ANXA1 was present in the nucleus and to a lesser extent in the cytoplasm of some rat pituitary cells. The GnRH agonist induced translocation of ANXA1 to the periphery of LbetaT2 cells. The presence of ANXA1 in gonadotropes and its increase upon GnRH agonist treatment were confirmed in a primary pituitary cell culture. ANXA1 expression was also demonstrated in the ovary, the testis, the thyroid gland and the pancreas in a different manner to that of ANXA5. These data suggest that ANXA1 is a novel GnRH target gene in gonadotropes. ANXA1 also may be a target of local GnRH in peripheral tissues and may have a different role than that of ANXA5. PMID- 29213014 TI - A case of a giant mass in the lumbar region of a newborn calf. AB - The present report describes a newborn calf with spina bifida that presented with a giant mass of the lumbar region, as well as subsequent gross, histological, and immunohistochemical examinations. A malformed Japanese black calf (estimated weight = 20 kg) was euthanized immediately after birth. A gross evaluation revealed a giant mass (approximately 60 cm * 30 cm * 15 cm) covered by the hair coat in the lumbar region and connected with the hair coat of the trunk. The mass surface was divided by a deep polygonal groove and externally resembled a lobulated kidney. Histology and immunohistochemistry revealed that the giant mass comprised a vessel, bronchiolus lined with cuboidal epithelium, and small alveolus. Bone bleaching revealed various abnormalities, including spina bifida, vertebral fusion, vertebral deformity, vertebral malformation, vertebral scoliosis, and coxal bone malformation. Following a suggestion that the giant lumbar region mass was occupied by lung tissue, this case was considered to involve an asymmetric conjoined duplicitas that resulted in a very rare dichotomous spondylosis malformation. PMID- 29213015 TI - Midline sensory nerve supply to the anoscrotal junction: a study using human male fetuses. AB - The origin of the posterior scrotal nerve is considered to be the bilateral pudendal nerves but the course to the midline is still obscure. Using 5 late stage human male fetuses, we identified the single nerve through the intramuscular midline septum of the bulbospongiosus and the bilateral nerves along the left and right sides of the septum. Thus, the posterior scrotal nerve showed a variation: a single midline trunk or bilateral nerves. Branches of the bilateral pudendal nerves ran medially between the muscle and Cowper's gland and, at the midline area, they joined or associated closely. During the proximal course, much or less, the nerve penetrated the superior part of the muscle. The nerve entered the subcutaneous tissue at and near the perineal raphe. The communication with intrapelvic autonomic nerves were suggested behind Cowper's gland. Notably, the midline skin immediately anterior to the anus carried a considerable dense supply of thin sensory nerves. However, these nerves seemed to come from a space between the rectal smooth muscle and the external anal sphincter, not from the posterior scrotal nerve. Therefore, surgical treatment of the intersphincteric layer was likely to injure the original sensory nerve supply to the anterior anal skin. PMID- 29213016 TI - Changes in topographical relation between the ductus arteriosus and left subclavian artery in human embryos: a study using serial sections. AB - At birth, the ductus arteriosus (DA) merges with the aortic arch in the caudal side of the origin of the left subclavian artery (ltSCA). Since the SCA (seventh segmental arteries) were fixed on the levels of the seventh cervical-first thoracic vertebral bodies, the confluence of the DA should migrate caudally toward the lower level. We aimed to describe the changing topographical anatomy of the DA and SCA using serial sections. First, we examined serial sagittal sections of 11 embryos (Carnegie stage 15-18), but the specimens were clearly divided into 2 groups with and without the lower confluence of the DA. Next, we examined serial horizontal sections of 40 specimens (Carnegie stage 14-16) and we chose 5 specimens (CRL 11 mm, 3 specimen; 1, 14 mm; 1, 15 mm) including the DA near (within 1-vertebral segment from) the ltSCA. The final approach of the DA occurred during the heart descent in which the apex of the heart migrated from the level of the first to the fourth thoracic vertebral body. Thus, the DA reached the SCA level before establishment of the heart descent. The right aortic arch maintained its entire course in 2 of the 5 specimens. Therefore, the positioning of the DA along the left aortic arch might occur independently of degeneration of the right arch. Notably, the tracheal bifurcation level was higher when the DA-ltSCA distance was greater. A contribution of the increased pulmonary volume was suggested for the final approach of the DA. PMID- 29213017 TI - Topographical anatomy of the pronator teres muscle and median nerve: a study using histological sections of human fetuses. AB - The median nerve passes through the humeral and ulnar heads of the pronator teres muscle (PT), although variations such as absence of the ulnar head may exist. We observed histological sections of the upper extremity from 24 embryos and fetuses. In the early stage, the PT extended between the radius and the medial epicondyle of the humerus, but no candidate for the ulnar head was found. In mid term fetuses, the ulnar margin of the PT was attached to the elbow joint capsule. Moreover, in late-stage fetuses, a small deep part of the PT arose from the thick joint capsule of the humero-ulnar joint near the coronoid process of the ulna. This joint capsule also provided the most proximal origin of the flexor digitorum profundus muscle. Therefore, we considered fetal PT origin from the capsule as a likely candidate for the ulnar head. Consequently, the PT seemed to develop from a single anlage through which the median nerve passed, but later - possibly after birth - a small PT origin from the joint capsule appeared to obtain an aponeurosis connecting the muscle fiber to the ulna. This secondary change in PT morphology might explain the muscle variation seen in adults. PMID- 29213018 TI - Morphological changes indicative of brain hemisphere development and handedness in fixed brains and on CT/MRI images. AB - We measured the lengths of some parts of the right and left hemispheres (HEs) in 70 formalin-fixed brains and on 15 computed tomography/magnetic resonance imaging (CT/MRI) images (7 left-handed and 8 right-handed cases) to clarify the morphological changes indicating which HE developed earlier and handedness. In many cases of the fixed brains, 1) the distance from the frontal pole to the occipital pole was longer in the left HE than in the right HE, 2) the distance from the middle plane to the lateral-most portion of the HE was wider in the right HE than in the left HE, 3) the left occipital pole elongated more posteriorly and covered the right occipital pole, and 4) the volume of each HE was nearly the same. The results indicate that the left HE develops and grows slightly earlier in the larger semi-cranium (half of the cranium) than the right HE which develops later in the smaller semi-cranium. The whole brain was more spherical in the female cases than in the male cases. The morphological changes in both HEs for handedness were not evident on the CT/MRI images. PMID- 29213019 TI - [Early chronic pancreatitis:current issues and perspective]. PMID- 29213020 TI - [Diagnosis for chronic pancreatitis]. PMID- 29213021 TI - [New developments in non-surgical treatment of chronic pancreatitis]. PMID- 29213022 TI - [Surgical management of chronic pancreatitis]. PMID- 29213023 TI - [Tracheobronchitis as an extraintestinal manifestation of Crohn's disease]. AB - A 27-year-old woman with Crohn's disease, who had sustained clinical remission for two years following treatment with mesalazine and nutrition therapy, was admitted to our hospital complaining of dry cough, mild dysphagia, and slight fever. A computed tomography of the chest demonstrated an increase in the thickness of the tracheal wall. Bronchoscopy showed a diffusely erythematous and edematous mucosa with whitish granular lesions in the trachea and main carina. Bronchial biopsy specimens showed epithelioid cell granuloma. We diagnosed tracheobronchitis as an extraintestinal manifestation of Crohn's disease. She was treated with 40mg/day prednisolone. Her symptoms improved immediately. However, dry cough recurred two months after prednisolone treatment, and further treatment with inhaled steroids was prescribed. Tracheobronchial involvement in Crohn's disease is rare, with only 13 cases having been reported. Tracheal involvement should be considered in Crohn's disease patients with respiratory symptoms. PMID- 29213024 TI - [A refractory case of ulcerative colitis developed after the cessation smoking achieved clinical and endoscopic remission after resuming smoking]. AB - A 42-year-old man, who had stopped smoking almost one year ago, visited our hospital for hematochezia. He was diagnosed as having ulcerative colitis and was prescribed 5-amino salicylic acid and corticosteroids, which led to the remission of his disease. However, the disease relapsed after sufficient continuous corticosteroids administration and persisted despite 5-amino salicylic acid administration and intensive treatment with corticosteroids, immune modulators, leukocyte apheresis, and anti-TNF-alpha antibodies. Curiously, clinical remission was achieved after he resumed smoking, and colonoscopy revealed mucosal healing. Such remission may be attributable to anti-inflammatory effects of smoking nicotine and carbon oxides. PMID- 29213025 TI - [A case of non-invasive IPMC with fibrotic lesion-like "tubular complex"]. AB - A 73-year-old man was incidentally diagnosed with a cystic lesion in the pancreatic body. Ultrasonography, abdominal computed tomography, magnetic resonance imaging, endoscopic retrograde cholangiopancreatography, and endoscopic ultrasound were performed, and a nodule was detected in the cystic lesion along with an irregularity of the main pancreatic duct. An initial diagnosis of a mixed type intraductal papillary mucinous neoplasm was made, and a central pancreatectomy was performed. However, the final diagnosis was altered to non invasive intraductal papillary mucinous carcinoma (IPMC). The histopathological examination revealed a fibrotic lesion that was similar to "tubular complex" findings observed in mouse models of pancreatic cancer. The fibrotic lesion was placed between the main pancreatic duct lesion and branch-duct cystic lesion. The changes reflected in branch-level stenosis may be caused by IPMC growth. PMID- 29213026 TI - [Case of protein plug in the pancreatic duct mimicking pancreatic cancer concomitant with branch-type intraductal papillary mucinous neoplasm]. AB - A 65-year-old male was referred to our hospital 2 years ago for a multilocular cyst accompanied with a protein plug in the pancreas tail. He was diagnosed as having branch duct-type intraductal papillary mucinous neoplasm and was followed up. Two years later, endoscopic ultrasonography revealed a hypoechoic lesion, 10mm in diameter, near the cyst-like lesion. Finally, he was diagnosed with small pancreatic adenocarcinoma concomitant with intraductal papillary mucinous neoplasm and underwent radical distal pancreatectomy with splenectomy. Resected specimen revealed that the protein plug in the main pancreatic duct had caused distal pancreatic duct dilatation, resembling a multilocular cyst and pancreatic duct stenosis with inflammatory changes and fibrosis around the pancreatic parenchyma. Here, we report a rare case of protein plugs in the pancreatic duct mimicking pancreatic cancer concomitant with branch-type intraductal papillary mucinous neoplasm. PMID- 29213027 TI - [Autoimmune pancreatitis and IgG4-related hepatic inflammatory pseudotumor complicated by an impacted pancreatic stone at the major papilla during steroid treatment]. AB - A 79-year-old male presented to our hospital with abdominal discomfort and was diagnosed with mass-forming pancreatitis. During follow-up, pancreatic stones and a hepatic mass with peripheral bile duct dilation were discovered. Serum IgG4 level was elevated, and a liver tumor biopsy revealed numerous IgG4-positive plasma cells and fibrosis. Chronic pancreatitis with the suspected involvement of autoimmune pancreatitis (AIP) and IgG4-related hepatic inflammatory pseudotumor (IgG4-HIP) was diagnosed. Therefore, a steroid treatment was initiated. However, 2 months later, the patient complained of epigastric pain that was found to be caused by an impacted pancreatic stone in the major papilla, which was endoscopically removed. Follow-up imaging findings confirmed the improvement in AIP and the dissolution of the IgG4-HIP. PMID- 29213028 TI - [Acute cholecystitis due to microscopic polyangiitis:a case report]. AB - A 78-year-old man with chief complaints of cough and lower limb numbness was admitted to our hospital. Serum myeloperoxidase-antineutrophil cytoplasmic antibody titer (MPO-ANCA) was elevated (48.8U/ml), and a diagnosis of microscopic polyangiitis (MPA) was made. After admission, the patient developed a fever and right upper quadrant pain. Ultrasonography and computed tomography revealed an acute cholecystitis of unknown cause, and laparoscopic cholecystectomy was performed. Histopathological examination of the resected gallbladder revealed necrotizing vasculitis along with the infiltration of eosinophils, lymphocytes, and plasma cells around the small arteries in the muscular layer of the gallbladder, which are characteristics of MPA. PMID- 29213029 TI - Generation of Methicillin-Resistant Staphylococcus Aureus Biofilm Infection in an Immunosuppressed Rat Model. AB - BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) is a common pathogen responsible for many related infections, and immunosuppressed individuals are more susceptible. Its pathogenicity is associated with its virulence factors, resistance to antibiotics, and ability to form biofilm (BF). MRSA-BF infections in immunosuppressed patients pose great difficulties to clinical treatment. MATERIAL AND METHODS The study aimed to establish a model of MRSA-BF infection in rats with cyclophosphamide (CTX)-induced immunosuppression. For this, rats were administered CTX on days 1 and 4. White blood cells (WBC) were counted, then rats were inoculated with a clinical MRSA 17546 (t037) on day 5. Rats were sacrificed on days 6-10 and tissue samples were examined by scanning electron microscopy. RESULTS Using the dose of CTX: 150 (mg/kg) + 100 (mg/kg) is better than the other 2 programs as the survival rates of the immunocompromised rats were higher than in the other 2 immunosuppressive groups. The survival rate was not different between rats in the clean environment and in the SPF environment. However, the survival rate was affected by the sample acquisitions. Importantly, WBC counts started to decline on day 4, and then started to rise on day 9. Moreover, MRSA-BFs were formed earlier in immunosuppressed rats compared to the normal rats, as shown by scanning electron microscopy. CONCLUSIONS The study successfully established an immunosuppressed rat model of MRSA-BF infection, which provides methodological and data support for establishment of such animal models and is useful reference for related research. Our results may help further investigation of MRSA-BF infection. PMID- 29213030 TI - Acute Bilateral Ophthalmoplegia Due to Vertebrobasilar Dolichoectasia: A Report of Two Cases. AB - BACKGROUND Vertebrobasilar dolichoectasia (VBD) is a complex progressive arterial disease characterized by dilation, elongation, and tortuosity of the vertebral and basilar arteries, and may be congenital or acquired. VBD may lead to progressive compression of the brainstem, cranial nerve abnormalities, and intracranial hemorrhage, but may also be associated with arterial thrombosis, with ischemic stroke as the most common clinical outcome. CASE REPORT Two cases of VBD are presented, both with acute bilateral ophthalmoplegia and cranial nerve palsies, and vertebrobasilar arterial thrombosis that resulted in ischemic stroke. CONCLUSIONS VBD is a complex arterial disease with a variety of clinical manifestation, with bilateral ophthalmoplegia being a rare presentation. Clinical management of VBD is a challenge as there are no current management guidelines. Therefore, clinical management of cases of VBD should be individualized to balance the risks and benefits of treatment options for each patient. PMID- 29213031 TI - [Neuronet restructuring in focal and generalized epilepsy according to resting state fMRI]. AB - AIM: To compare neuronet restructuring in focal and generalized epilepsy. MATERIAL AND METHODS: Seventy-seven patients, aged from 18 to 65 years, with the diagnosis of epilepsy, including 63 patients with focal epilepsy and 14 with generalized epilepsy, were examined. A control group included 23 healthy people. Neuronet restructuring was studied using fMRI. RESULTS AND CONCLUSION: According to resting state fMRI, there were between-group differences in spatial organization (activity map) of the brain structures as well as in the results of cross-correlation analysis of interaction maps of resting-state networks. It has been concluded that functional restructuring in connectomes in focal and generalized epilepsy have the opposite patterns of disorganization (toward increase or decrease) in most structures studied though there are structures with the same direction of connectivity changes. PMID- 29213032 TI - [Staging of neuroplasticity alterations during epileptogenesis (temporal lobe epileply as an example)]. AB - Using temporal lobe epilepsy as an example, staging of long term plasticity in the hippocampus is considered. Major stages demonstrating opposite alterations in neuroplasticity are active epileptogenesis and the period of established temporal lobe epilepsy. During the epileptogenesis, multiple events resulting in forming of epileptic neuronal nets occur: changes in glutamatergic and GABAergic neurons, increase of aberrant neurogenesis, axonal sprouting and dendrite remodeling, particularly, supported by an excessive enhancement of the BDNF system in specific hippocampal regions. As epileptogenesis progresses, this stage of an aberrant superplasticity is changing for opposite events accompanying formation of the epileptogenic focus and limiting plasticity: axonal damage, neuronal cell death, hippocampal sclerosis, suppression of neurogenesis. At this neurodegenerative stage of temporal epilepsy, the inclusion of neuroprotectants with neurotrophic properties (e.g. drugs containing cerebral peptide hydrolizates) into the treatment protocol appears promising. Potential use of such neuroprotectants during the active epileptogenesis period is discussed. PMID- 29213033 TI - [Epigenetic modifications of chromatin in epilepsy: a potential mechanism of pharmacoresistance?] AB - Pharmacoresistance in epilepsy is an important problem from both clinical and fundamental perspectives. The existent hypotheses of pharmacoresistance are based on long term plastic rebuilding of the epileptic brain. One of potential mechanisms mediating such protracted changes are alterations of gene expression induced by epigenetic modifications of chromatin in brain cells of epileptic patients. Recently, changes in DNA methylation and histone post-translational modifications were reported in brain tissues of patients with pharmacoresistant epilepsy. Unfortunately, these data remain fragmentary and contradictory, therefore the results of animal models can partially fill this gap. The authors present a short review of the data concerning a potential role of epigenetic modifications in epilepsy. PMID- 29213034 TI - [Classification of epileptic seizures and epilepsy (2017)]. PMID- 29213035 TI - [Problems of juvenile myoclonic epilepsy. A view through the prism of time]. AB - The authors present a comparative analysis of the results of the study of 72 adolescent patients with juvenile myoclonic epilepsy (JME), which were published in 2010, and a new sample of patients over the last 5 years with the publications of domestic and foreign authors. Difficult clinical cases are described. These data indicate positive shifts in the diagnosis and treatment of JME. However, the question of diagnosis is still a hard problem for neurologists. The questions to be resolved are: gender aspect of the disease, to what extent levetiracetam could be a drug of first choice and to what extent valproats could be replaced; monitoring of children born to mothers with JME, a role of paternal inheritance. PMID- 29213036 TI - [Pathomorphosis of idiopathic generalized epilepsy. Juvenile forms]. AB - AIM: To investigate the pathomorphosis of idiopathic generalized epilepsy (IGE) in the aspect of prognosis. MATERIAL AND METHODS: The study involved 1480 patients with epilepsy including 281 patients with IGE. RESULTS AND CONCLUSION: 'Juvenile' forms were diagnosed in 228 patients. Relapse of seizures in anamnesis occurred in 19% out of 105 patients with juvenile myoclonic epilepsy (JME). Remission was achieved in 59.2% out of 76 patients with long-term follow-up. Out of 35 patients with juvenile absence epilepsy (JAE), relapse of seizures in anamnesis occurred in 25.7%. Out of 24 patients with long-term follow-up, remission was achieved in 70.8%. Out of 88 patients with IGE with generalized tonic clonic-seizures, relapse of seizures in anamnesis occurred in 15%. Out of 60 patients with long-term follow-up, remission was achieved in 86.7%. The main features of epilepsy pathomorphosis in all groups of patients were the decrease of informativeness of routine EEG, reduction in the frequency and duration of seizures, occurrence of seizures in the discontinuation of therapy and/or under the influence of provoking factors. PMID- 29213037 TI - [Interictal dysphoric disorder: a current state of the problem]. AB - The authors present a clinical description of interictal dysphoric disorder in patients with epilepsy compared to other similar disorders. The comorbidities of epilepsy and affective disorders, including atypical forms, are reviewed. Clinical aspects of affective somatoform syndrome are discussed. PMID- 29213038 TI - [An influence of interictal anxiety on coping and self-control strategies for epileptic seizures in patients with temporal lobe epilepsy]. AB - AIM: A comparative analysis of coping and self-control strategies for epileptic seizures in temporal lobe epilepsy patients with and without interictal anxiety. MATERIAL AND METHODS: Authors evaluated interictal anxiety (IA) with HADS, strategies for seizure control with CBES-SC, coping-style with BriefCOPE scale and quality of life with QOLIE-31-P scale in 45 patients with temporal lobe epilepsy (TLE). The control group consisted of 86 healthy individuals. RESULTS: In 35% of patients with TLE, the anxiety (HADS) was higher compared to the normal level. TLE patients with IA had a lower quality of life compared to patients without IA (51.19+/-12.39% vs. 65.43+/-18.11%, p=0.008). A comparative analysis of coping strategies in TLE patients with and without IA showed that patients with IA used such strategies as 'venting' and 'behavioral disengagement' more often. Patients with IA had a higher emotional coping style score (r<0.05) and used strategies for seizure control more often (71% of patients with IA vs. 32% of patients without IA, chi2=6.282, r<0.05), but there were no significant differences in the effectiveness of seizure control between groups. CONCLUSION: Associative interactions between interictal anxiety, emotional coping style and low quality of life were shown. This gives grounds for regarding anxiety as a target for treatment. At the same time, anxiety motivates patients to a wider use of self-management strategies, but has no impact on the effectiveness of seizure control. PMID- 29213039 TI - [Cognitive impairment. The effects of seizures?] AB - This review discusses articles on cognitive impairments developing after one or more convulsive seizures. Cognitive disorders seem to be frequent complications of epilepsy. According to recent clinical studies, the intensity of cognitive declines depends on a frequency and severity of seizures. However, presence of an epileptic focus does not always indicate an increase in cognitive impairments. An effect of a single convulsive seizure on cognitive functions at this stage is uncertain. According to some data, cognitive impairments after a single generalized seizures develop only in specific clinical syndromes, on the other hand, they are influenced by the emotional state of the subject. This problem remains relevant today. Further work is needed in this direction. PMID- 29213040 TI - [Brivaracetam in the treatment of patients with epilepsy]. AB - The newest antiepileptic drug (AED) brivaracetam (Briviac, UCB Pharma) (BRV) was approved in the Russian Federation in 2017 as an adjuvant therapy for the treatment of partial seizures with/without secondary generalization in adults and adolescents over 16 years old with epilepsy. This review contains the data of BRV preclinical studies, pharmacokinetic profile and the results of comparative study of BRV and LEV. The results of main studies of efficacy and tolerability with pooled analysis as well as data from meta-analysis are presented. The authors present conclusions of the Russian leading epileptologists on perspectives of using BRV in different populations of epileptic patients. The use of BRV is able to provide long-term efficacy in terms of seizure control, is well tolerated, keeps quality of life and social activity of people with epilepsy. PMID- 29213041 TI - [Perampanel in the treatment of patients with epilepsy]. AB - Development of new antiepileptic drugs (AED) does not stop due to the fact that the number of patients with pharmacoresistant epilepsy remains at about 30%. One of the newest AEDs is perampanel (PER), a selective, non-competitive AMPA receptor antagonist to target post-synaptic glutamate transmission. PER is approved in the Russian Federation as adjunctive treatment for focal seizures with or without secondarily generalized seizures and for primary generalized tonic-clonic (PGTC) seizures in idiopathic generalized epilepsy (IGE) in patients with epilepsy aged >=12 years. The drug is effective and well-tolerated in the dose of 4-8 mg/day, and most side effects are dose-dependent. The high efficacy of PER combined with the good tolerability, absence of life-threatening adverse reactions and convenient intake allow us to recommend PER as the first choice additional drug in treatment of patients with epilepsy. PMID- 29213042 TI - [New opportunities in the optimization of epilepsy treatment in adolescents]. AB - In the pubertal period, the most severe forms of childhood epilepsy persist and are modified; genetically determined syndromes, atypical for early and late age periods, make their debut. Hereditary predisposition, instability of homeostatic mechanisms, neuroendocrine restructuring at the age of puberty and the influence of factors contributing to the realization of a genetic defect lead to a long term transformation of mediator systems and formation of epileptic activity in adolescents. The authors present common approaches in the treatment and characterization of the modern antiepileptic drug perampanel, which is highly effective in treatment of patients with resistant forms of epilepsy. The article presents a summarized overview of the clinical forms of adolescent epilepsy observed in a psychoneurological department and an analysis of treatment results. A clinical case of the successful use of the antiepileptic drug perampanel in a female patient with focal seizures with secondary generalization of epilepsy, type I neurofibromatosis is presented. PMID- 29213043 TI - [Subcortical laminar heterotopia 'double cortex syndrome']. AB - This article presents a clinical case of a 29-year-old patient with 'Double cortex syndrome' with epilepsy, intellectual and mental disorders. Subcortical band heterotopia is a rare disorder of neuronal migration. Such patients typically present with epilepsy and variable degrees of mental retardation and behavioral and intellectual disturbances. The main diagnostic method is magnetic resonance imaging (MRI). PMID- 29213044 TI - [The course and development of epilepsy in patients with typical variant of Rett syndrome and mutations]. AB - AIM: To study the anamnesis, clinical state, electro-encephalographic and brain MRI characteristics in patients with Rett syndrome (MESR2) and epilepsy. MATERIAL AND METHODS: Eleven female patients, aged from 3 to 23 years, with Rett syndrome and MeCP2 mutations were studied. The study continued for 10 years (2006-2015). Assessment of neurological and mental status, night sleep video-EEG monitoring, MRI were performed. RESULTS AND CONCLUSION: Epilepsy was diagnosed in six cases (54.5%). Mean age at onset of epileptic seizures was 3 years 9 month. The following types of seizures were described: generalized, myoclonic, myotonic, tonic, versive, focal motor, atypical absences. Status epilepticus developed in one patient. Generalized seizures were identified in 56.25%, focal seizures in 43.75%. EEG changes were found in 9 patients (81.8%): slowing of the activity, episodes of periodic regional slowing, regional epileptiform activity and diffuse epileptiform activity, benign focal epileptiform discharges (BFED) of childhood, multiregional epileptiform activity. Five patients were treated with antiepileptic drugs. All of them had improved during treatment: a reduction of frequency of seizures was up to 50% in 4 cases (80%). One patient with resistant epilepsy was treated with the combination of drugs (levetiracetam, topiramate, zonisamide, benzodiazepine) that led to stopping of seizures during night sleep and decrease in the frequency of daytime seizures by 50%. Further research of epilepsy and efficacy of antiepileptic drugs in Rett syndrome is required. PMID- 29213045 TI - [An effect of epilepsy on sleep structure]. AB - In this review, the authors discuss the problem of management of the patient with epilepsy with regard an impact of epileptic seizures and syndromes on sleep structure. Sleep disorders can lead to worsening of seizure control and general medical condition of the patients. However, seizures themselves and types of epilepsy can affect the sleep architecture. One of the most frequent symptoms of disordered sleep in epilepsy patients is excessive daytime sleepiness, which can be a consequence of poor sleep quality due to frequent nocturnal seizures or excessive interictal epileptiform activity during sleep leading to frequent arousals. is frequently referred to antiepileptic drug side effects. In patients with frontal and temporal lobe epilepsies, which are more associated with sleep, the sleep architecture is significantly different from healthy individuals. They have more frequent arousals, disturbed relationship between sleep phases and stages, in particular inhibited REM-sleep phase. Most recent data on this problem are reviewed. Sleep patterns for different major epileptic syndromes are presented and some general recommendations for patient management, with a special consideration of sleep issues, are given. PMID- 29213046 TI - [Medical-social expertise in epilepsy]. AB - AIM: Clinical and expert analysis of the data, determining the severity of permanent disabilities in patients with epilepsy, based on the new classifications and criteria used for the implementation of medical and social examination from 2016. MATERIAL AND METHODS: Two hundred acts of examination of patients with epilepsy in medical and social examination bureaus were analyzed using statistical, clinical expertise and graphic methods. RESULTS AND CONCLUSION: A clinical expert analysis showed that the assessment of the limitations of life in epilepsy patients and people with disabilities requires an integrated approach. Not only seizures (their severity and frequency), but also gradually growing changes of the cognitive sphere and personality disorders, should be taken into account when making expert decisions. A typology of the formation of individual rehabilitation programs is presented. PMID- 29213048 TI - In vivo evidence for homo- and heterodimeric interactions of Arabidopsis thaliana dehydrins AtCOR47, AtERD10, and AtRAB18. AB - Dehydrins (DHNs) are intrinsically disordered proteins that play central roles in plant abiotic stress responses; however, how they work remains unclear. Herein, we report the in planta subcellular localization of Arabidopsis thaliana DHNs AtCOR47, AtERD10, and AtRAB18 through GFP translational fusions. To explore the dimerization ability of the Arabidopsis acidic DHNs AtCOR47 and AtERD10, we conducted an in planta DHN binding assay using the Bimolecular Fluorescence Complementation (BiFC) technique. Our analyses revealed homodimeric interactions for AtCOR47 and AtERD10; interestingly, heterodimeric associations also occurred with these DHNs, and these interactions were observed in the cytosol of tobacco cells. Furthermore, we evaluated whether Arabidopsis basic DHNs, such as AtRAB18, could also interact with itself and/or with AtCOR47 and AtERD10 in the BiFC system. Our data revealed homodimeric RAB18 complexes in the nucleus and cytosol, while heterodimeric associations between AtRAB18 and acidic DHNs occurred only in the cytosol. Finally, we demonstrated the presence of heterodimeric complexes among Arabidopsis AtCOR47, AtERD10, and AtRAB18 DHNs with their acidic ortholog the OpsDHN1 from Opuntia streptacantha; these heterodimeric interactions showed different subcellular distributions. Our results guide DHN research toward a new scenario where DHN/DHN oligomerization could be explored as a part of their molecular mechanism. PMID- 29213047 TI - Differentially evolved glucosyltransferases determine natural variation of rice flavone accumulation and UV-tolerance. AB - Decoration of phytochemicals contributes to the majority of metabolic diversity in nature, whereas how this process alters the biological functions of their precursor molecules remains to be investigated. Flavones, an important yet overlooked subclass of flavonoids, are most commonly conjugated with sugar moieties by UDP-dependent glycosyltransferases (UGTs). Here, we report that the natural variation of rice flavones is mainly determined by OsUGT706D1 (flavone 7 O-glucosyltransferase) and OsUGT707A2 (flavone 5-O-glucosyltransferase). UV-B exposure and transgenic evaluation demonstrate that their allelic variation contributes to UV-B tolerance in nature. Biochemical characterization of over 40 flavonoid UGTs reveals their differential evolution in angiosperms. These combined data provide biochemical insight and genetic regulation into flavone biosynthesis and additionally suggest that adoption of the positive alleles of these genes into breeding programs will likely represent a potential strategy aimed at producing stress-tolerant plants. PMID- 29213049 TI - Entropic patchiness drives multi-phase coexistence in discotic colloid-depletant mixtures. AB - Entropy-driven equilibrium phase behaviour of hard particle dispersions can be understood from excluded volume arguments only. While monodisperse hard spheres only exhibit a fluid-solid phase transition, anisotropic hard particles such as rods, discs, cuboids or boards exhibit various multi-phase equilibria. Ordering of such anisotropic particles increases the free volume entropy by reducing the excluded volume between them. The addition of depletants gives rise to an entropic patchiness represented by orientation-dependent attractions resulting in non-trivial phase behaviour. We show that free volume theory is a simple, generic and tractable framework that enables to incorporate these effects and rationalise various experimental findings. Plate-shaped particles constitute the main building blocks of clays, asphaltenes and chromonic liquid crystals that find widespread use in the food, cosmetics and oil industry. We demonstrate that mixtures of platelets and ideal depletants exhibit a strikingly rich phase behaviour containing several types of three-phase coexistence areas and even a quadruple region with four coexisting phases. PMID- 29213050 TI - Hydrogen motion in rutile TiO2. AB - Uniaxial-stress experiments have been performed for the 3287- and 2445-cm-1 local vibrational modes assigned to the positive charge state of interstitial hydrogen [Formula: see text] and deuterium [Formula: see text], respectively, occurring in mono-crystalline rutile TiO2. The onset of the defect alignment under the stress applied perpendicular to the [001] axis is detected at 165 K (185 K), which corresponds to the activation energy of 0.53 eV (0.58 eV) for interstitial hydrogen (deuterium). Based on these findings the diffusion constants of [Formula: see text] and [Formula: see text] along the [001] axis of TiO2 are determined. The experimental data are complemented by density-functional theory calculations and compared with the earlier results on the diffusion of [Formula: see text]/[Formula: see text] at elevated temperatures up to 700 degrees C. It is found that the activation energy value deduced from our low-temperature stress measurements yields a very good agreement with the high-temperature data, covering a dynamic range of 12 orders of magnitude. PMID- 29213051 TI - A robot-aided visuo-motor training that improves proprioception and spatial accuracy of untrained movement. AB - Proprioceptive function can become enhanced during motor learning. Yet, we have incomplete knowledge to what extent proprioceptive function is trainable and how a training that enhances proprioception may influence performance in untrained motor skills. To address this knowledge gap, healthy young adults (N = 14) trained in a visuomotor task that required learners to make increasingly accurate wrist movements. Using a robotic exoskeleton coupled with a virtual visual environment, participants tilted a virtual table through continuous wrist flexion/extension movements with the goal to position a rolling ball on table into a target. With learning progress, the level of difficulty increased by altering the virtual ball mechanics and the gain between joint movement and ball velocity. Before and after training, wrist position sense acuity and spatial movement accuracy in an untrained, discrete wrist-pointing task was assessed using the same robot. All participants showed evidence of proprioceptive-motor learning. Mean position sense discrimination threshold improved by 34%. Wrist movement accuracy in the untrained pointing task improved by 27% in 13/14 participants. This demonstrates that a short sensorimotor training challenging proprioception can a) effectively enhance proprioceptive acuity and b) improve the accuracy of untrained movement. These findings provide a scientific basis for applying such somatosensory-based motor training to clinical populations with known proprioceptive dysfunction to enhance sensorimotor performance. PMID- 29213052 TI - Exosomes from antigen-pulsed dendritic cells induce stronger antigen-specific immune responses than microvesicles in vivo. AB - Extracellular vesicles (EV), including exosomes and microvesicles (MV), represent a rapidly expanding field of research with diagnostic and therapeutic applications. Although many aspects of EV function remain to be revealed and broad investigations are warranted, most published findings focus on only one vesicle category or a non-separated mix of EVs. In this paper, we investigated both MVs and exosomes from Ovalbumin (OVA)-pulsed dendritic cells for their immunostimulatory potential side-by-side in vivo. Only exosomes induced antigen specific CD8+ T-cells, and were more efficient than MVs in eliciting antigen specific IgG production. Further, mainly exosome-primed mouse splenocytes showed significant ex vivo interferon gamma production in response to antigen restimulation. Exosomes carried high levels of OVA, while OVA in MVs was barely detectable, which could explain the more potent antigen-specific response induced by exosomes. Moreover, exosomes induced increased germinal center B cell proportions, whereas MVs had no such effect. Immunisation with both vesicle types combined showed neither inhibitory nor synergistic effects. We conclude that DC derived MVs and exosomes differ in their capacity to incorporate antigen and induce immune responses. The results are of importance for understanding the role of EVs in vivo, and for future design of vesicle-based immunotherapies and vaccines. PMID- 29213053 TI - The conserved ancient role of chordate PIAS as a multilevel repressor of the NF kappaB pathway. AB - In vertebrates, PIAS genes encode versatile cellular regulators, with functions extremely complex and redundant. Here we try to understand their functions from an evolutionary perspective. we evaluate the sequences, expression and molecular functions of amphioxus PIAS genes and compare them with their vertebrate counterparts. Phylogenetic analysis suggests a single PIAS gene in ancestral chordates, which has been duplicated into four families (PIAS1-4) in vertebrates by 2R-WGD but remained single in a basal chordate (amphioxus). Amphioxus PIAS encodes two variants with and without a Serine/Threonine-rich tail, which are retained in human PIAS1-3 but lost in PIAS4. We show that amphioxus PIAS binds C terminus of NF-kappaB Rel and blocks the DNA binding activity. In humans, such function is retained in PIAS1, altered in PIAS4, and lost in PIAS2-3. Instead, PIAS3 has evolved new ability to inhibit Rel by binding RHD and promoting SUMOylation. We show that amphioxus PIAS also inhibits NF-kappaB by binding with upstream signalling adaptor TICAM-like and MyD88. Finally, we verify that human PIAS1, 3 and 4, but not 2, were capable of these newly-discovered functions. Our study offers insight into the sub- and neo-functionalization of PIAS genes and suggests a conserved ancient role for chordate PIAS in NF-kappaB signalling. PMID- 29213054 TI - Polarization response and scaling law of chirality for a nanofibre optical interface. AB - Two port optical devices couple light to either port dependent on the input photon state. An important class of two-port devices is that of evanescently coupled interfaces where chirality of photon coupling can lead to important technological applications. Here, we perform a fundamental characterization of such an interface, reconstructing the two-port polarization response over the surface of the Poincare sphere for an optical nanofibre. From this result, we derive a chirality measure which is universal, obeying a one parameter scaling law independent of the exact parameters of the nanofibre and wavelength of light. Additionally, we note that the polarization response differs qualitatively for single and multiple coupled emitters, with possible implications for sensing and the characterization of waveguide coupled spins. PMID- 29213055 TI - Inhibiting mevalonate pathway enzymes increases stromal cell resilience to a cholesterol-dependent cytolysin. AB - Animal health depends on the ability of immune cells to kill invading pathogens, and on the resilience of tissues to tolerate the presence of pathogens. Trueperella pyogenes causes tissue pathology in many mammals by secreting a cholesterol-dependent cytolysin, pyolysin (PLO), which targets stromal cells. Cellular cholesterol is derived from squalene, which is synthesized via the mevalonate pathway enzymes, including HMGCR, FDPS and FDFT1. The present study tested the hypothesis that inhibiting enzymes in the mevalonate pathway to reduce cellular cholesterol increases the resilience of stromal cells to PLO. We first verified that depleting cellular cholesterol with methyl-beta-cyclodextrin increased the resilience of stromal cells to PLO. We then used siRNA to deplete mevalonate pathway enzyme gene expression, and used pharmaceutical inhibitors, atorvastatin, alendronate or zaragozic acid to inhibit the activity of HMGCR, FDPS and FDFT1, respectively. These approaches successfully reduced cellular cholesterol abundance, but mevalonate pathway enzymes did not affect cellular resilience equally. Inhibiting FDFT1 was most effective, with zaragozic acid reducing the impact of PLO on cell viability. The present study provides evidence that inhibiting FDFT1 increases stromal cell resilience to a cholesterol dependent cytolysin. PMID- 29213056 TI - A Random Categorization Model for Hierarchical Taxonomies. AB - A taxonomy is a standardized framework to classify and organize items into categories. Hierarchical taxonomies are ubiquitous, ranging from the classification of organisms to the file system on a computer. Characterizing the typical distribution of items within taxonomic categories is an important question with applications in many disciplines. Ecologists have long sought to account for the patterns observed in species-abundance distributions (the number of individuals per species found in some sample), and computer scientists study the distribution of files per directory. Is there a universal statistical distribution describing how many items are typically found in each category in large taxonomies? Here, we analyze a wide array of large, real-world datasets - including items lost and found on the New York City transit system, library books, and a bacterial microbiome - and discover such an underlying commonality. A simple, non-parametric branching model that randomly categorizes items and takes as input only the total number of items and the total number of categories is quite successful in reproducing the observed abundance distributions. This result may shed light on patterns in species-abundance distributions long observed in ecology. The model also predicts the number of taxonomic categories that remain unrepresented in a finite sample. PMID- 29213057 TI - A catch-up illusion arising from a distance-dependent perception bias in judging relative movement. AB - The perception of relative target movement from a dynamic observer is an unexamined psychological three body problem. To test the applicability of explanations for two moving bodies participants repeatedly judged the relative movements of two runners chasing each other in video clips displayed on a stationary screen. The chased person always ran at 3 m/s with an observer camera following or leading at 4.5, 3, 1.5 or 0 m/s. We harmonized the chaser speed in an adaptive staircase to determine the point of subjective equal movement speed between runners and observed (i) an underestimation of chaser speed if the runners moved towards the viewer, and (ii) an overestimation of chaser speed if the runners moved away from the viewer, leading to a catch-up illusion in case of equidistant runners. The bias was independent of the richness of available self movement cues. Results are inconsistent with computing individual speeds, relying on constant visual angles, expansion rates, occlusions, or relative distances but are consistent with inducing the impression of relative movement through perceptually compressing and enlarging inter-runner distance. This mechanism should be considered when predicting human behavior in complex situations with multiple objects moving in depth such as driving or team sports. PMID- 29213058 TI - Interplay between global and pathway-specific synaptic plasticity in CA1 pyramidal cells. AB - Mechanisms underlying information storage have been depicted for global cell-wide and pathway-specific synaptic plasticity. Yet, little is known how these forms of plasticity interact to enhance synaptic competition and network stability. We examined synaptic interactions between apical and basal dendrites of CA1 pyramidal neurons in mouse hippocampal slices. Bursts (50 Hz) of three action potentials (AP-bursts) paired with preceding presynaptic stimulation in stratum radiatum specifically led to LTP of the paired pathway in adult mice (P75). At adolescence (P28), an increase in burst frequency (>50 Hz) was required to gain timing-dependent LTP. Surprisingly, paired radiatum and unpaired oriens pathway potentiated, unless the pre-post delay was shortened from 10 to 5 ms, which selectively potentiated paired radiatum pathway, since unpaired oriens pathway decreased back to baseline. Conversely, the exact same 5 ms pairing in stratum oriens potentiated both pathways, as did AP-bursts alone, which potentiated synaptic efficacy as well as current-evoked postsynaptic spiking. L-type voltage gated Ca2+ channels were involved in mediating synaptic potentiation in oriens, whereas NMDA and adenosine receptors counteracted unpaired stratum oriens potentiation following pairing in stratum radiatum. This asymmetric plasticity uncovers important insights into alterations of synaptic efficacy and intrinsic neuronal excitability for pathways that convey hippocampal and extra-hippocampal information. PMID- 29213059 TI - A Comprehensive Assessment of the Genetic Determinants in Salmonella Typhimurium for Resistance to Hydrogen Peroxide Using Proteogenomics. AB - Salmonella is an intracellular pathogen infecting a wide range of hosts and can survive in macrophages. An essential mechanism used by macrophages to eradicate Salmonella is production of reactive oxygen species. Here, we used proteogenomics to determine the candidate genes and proteins that have a role in resistance of S. Typhimurium to H2O2. For Tn-seq, a saturated Tn5 insertion library was grown in vitro under either 2.5 (H2O2L) or 3.5 mM H2O2 (H2O2H). We identified two sets of overlapping genes required for resistance of S. Typhimurium to H2O2L and H2O2H, and the results were validated via phenotypic evaluation of 50 selected mutants. The enriched pathways for H2O2 resistance included DNA repair, aromatic amino acid biosynthesis (aroBK), Fe-S cluster biosynthesis, iron homeostasis and a putative iron transporter system (ybbKLM), and H2O2 scavenging enzymes. Proteomics revealed that the majority of essential proteins, including ribosomal proteins, were downregulated upon exposure to H2O2. On the contrary, a subset of conditionally essential proteins identified by Tn-seq were analyzed by targeted proteomics, and 70% of them were upregulated by H2O2. The identified genes will deepen our understanding on S. Typhimurium survival mechanisms in macrophages, and can be exploited to develop new antimicrobial drugs. PMID- 29213060 TI - Structural characterization of site-modified nanocapsid with monodispersed gold clusters. AB - Hepatitis E Virus-like particles self-assemble in to noninfectious nanocapsids that are resistant to proteolytic/acidic mucosal delivery conditions. Previously, the nanocapsid was engineered to specifically bind and enter breast cancer cells, where successful tumor targeting was demonstrated in animal models. In the present study, the nanocapsid surface was modified with a solvent-exposed cysteine to conjugate monolayer protected gold nanoclusters (AuNC). Unlike commercially available gold nanoparticles, AuNCs monodisperse in water and are composed of a discrete number of gold atoms, forming a crystalline gold core. Au102 pMBA44 (Au102) was an ideal conjugate given its small 2.5 nm size and detectability in cryoEM. Au102 was bound directly to nanocapsid surface cysteines via direct ligand exchange. In addition, Au102 was functionalized with a maleimide linker (Au102_C6MI) for maleimide-thiol conjugation to nanocapsid cysteines. The AuNC-bound nanocapsid constructs were conjugated in various conditions. We found Au102_C6MI to bind nanocapsid more efficiently, while Au102 remained more soluble over time. Nanocapsids conjugated to Au102_C6MI were imaged in cryoEM for single particle reconstruction to localize AuNC position on the nanocapsid surface. We resolved five unique high intensity volumes that formed a ring-shaped density at the 5-fold symmetry center. This finding was further supported by independent rigid modeling. PMID- 29213061 TI - First-principles study of nonmetal doped monolayer MoSe2 for tunable electronic and photocatalytic properties. AB - Recently, two dimensional transition metal dichalcogenides become popular research topics because of their unique crystal and electronic structure. In this work, the geometrical structure, electronic, electrical transport, redox potentials and photocatalytic properties of nonmetal (H, B, C, Si, N, P, As, O, S, Te, F, Cl, Br and I) doped monolayer MoSe2 were investigated by first principle calculations. The binding energy indicates that nonmetal doped MoSe2 are energetically favorable compared to Se vacancies, except B- and C-doped. We have found that nonmetal dopants with an even number of valence electrons doped MoSe2 have p-type conductivity. On the contrary, nonmetal dopants with an odd number of valence electrons doped MoSe2 have p-type or n-type conductivity; and they have better photocatalytic performance. PMID- 29213062 TI - Nutrient resorption or accumulation of desert plants with contrasting sodium regulation strategies. AB - Desert plants are thought to rely more heavily on nutrient resorption due to the infertile soil. However, little is known regarding the phylogenetic effects on this traits, specifically for halophytes. Here we determined contents of nitrogen (N), phosphorus (P), potassium (K), sodium (Na), calcium (Ca) and magnesium (Mg) in 36 desert plants in a hyper-arid environment. The patterns of resorption or accumulation of the six elements were compared among plant groups with diverse leaf Na regulation strategies: i.e., euhalophytes (Eu), secretohalophytes (Se), pseudohalophytes (Ps) and glycophytes (Gl). Overall, N, P, K presented strict resorption across all groups, but no more efficient than global estimations. Ca and Mg tended to be resorbed less or accumulated during leaf senescence. Significant phylogenetic signal of both leaf Na content and plant group implies the pivotal role of Na regulation in the adaptation of plants to desert environment. Resorption proficiency, rather than resorption efficiency, is more phylogenetically conservative and more relevant to leaf functional traits. PMID- 29213063 TI - Efficacy and safety of HD-MTX based systemic chemotherapy regimens: retrospective study of induction therapy for primary central nervous system lymphoma in Chinese. AB - We performed a retrospective study of 49 patients with newly diagnosed primary central nervous system lymphoma (PCNSL), to compare the efficacy and safety of different high-dose methotrexate (HD-MTX) based systemic chemotherapy regimens as induction therapy. 25 patients received AB +/- R alternative regimen (consist methotrexate, ifosfamide, vindesine, dexamethasone, carmustine and teniposide), while others received HD-MTX +/- R regimen. The complete response rate and overall response rate of AB +/- R group and HD-MTX +/- R group were 36.83% vs. 33.33%, and 68.42% vs. 71.43%, while the 2-year OS and PFS rate were 71.43% vs. 74.62%, and 42.86% vs. 54.64%, respectively. In Age > 60 subgroup, the 2-year OS and PFS rate of AB +/- R group and HD-MTX +/- R group were 81.82% vs. 33.33%, and 54.55% vs. 33.33%. No significant differences were found in grade 3 or 4 toxicity rate. Generally, HD-MTX +/- R regimen was not inferior to AB +/- R alternative regimen, but AB +/- R alternative regimen seemed achieving more survival benefits in the elderly. We suggest to adjust HD-MTX +/- R regimen by changing the dose reduction strategy especially in elderly patients and adding other powerful drugs that can well penetrate blood-brain barrier to improve the efficacy. PMID- 29213064 TI - Growth of Graphene/h-BN Heterostructures on Recyclable Pt Foils by One-Batch Chemical Vapor Deposition. AB - High-quality large-area graphene/h-BN vertical heterostructures are promising building blocks for many viable applications such as energy harvesting/conversion, electronics and optoelectronics. Here, we successfully grew high-quality large-area graphene/h-BN vertical heterostructures on Pt foils by one-batch low-pressure chemical vapor deposition (LPCVD). We obtained the high quality of about 200-um-wide graphene/h-BN film having uniform layer thickness. Moreover, the obtained graphene/h-BN heterostructures exhibited field effect mobility of up to 7,200 cm2V-1s-1 at room temperature. These results suggest that such graphene/h-BN heterostructures on recyclable Pt foils grown by LPCVD are promising for high-performance graphene-based electronics. PMID- 29213065 TI - Modulation Of Microtubule Acetylation By The Interplay Of TPPP/p25, SIRT2 And New Anticancer Agents With Anti-SIRT2 Potency. AB - The microtubule network exerts multifarious functions controlled by its decoration with various proteins and post-translational modifications. The disordered microtubule associated Tubulin Polymerization Promoting Protein (TPPP/p25) and the NAD+-dependent tubulin deacetylase sirtuin-2 (SIRT2) play key roles in oligodendrocyte differentiation by acting as dominant factors in the organization of myelin proteome. Herein, we show that SIRT2 impedes the TPPP/p25 promoted microtubule assembly independently of NAD+; however, the TPPP/p25 assembled tubulin ultrastructures were resistant against SIRT2 activity. TPPP/p25 counteracts the SIRT2-derived tubulin deacetylation producing enhanced microtubule acetylation. The inhibition of the SIRT2 deacetylase activity by TPPP/p25 is evolved by the assembly of these tubulin binding proteins into a ternary complex, the concentration-dependent formation of which was quantified by experimental-based mathematical modelling. Co-localization of the SIRT2-TPPP/p25 complex on the microtubule network was visualized in HeLa cells by immunofluorescence microscopy using Bimolecular Fluorescence Complementation. We also revealed that a new potent SIRT2 inhibitor (MZ242) and its proteolysis targeting chimera (SH1) acting together with TPPP/p25 provoke microtubule hyperacetylation, which is coupled with process elongation only in the case of the degrader SH1. Both the structural and the functional effects manifesting themselves by this deacetylase proteome could lead to the fine-tuning of the regulation of microtubule dynamics and stability. PMID- 29213066 TI - CRISPR/Cas9 mediated mutation of mouse IL-1alpha nuclear localisation sequence abolishes expression. AB - Inflammation is a host defense process against infection. Inflammatory mediators include cytokines of the interleukin-1 family, such as IL-1alpha and IL-1beta. Unlike IL-1beta, IL-1alpha carries an N-terminal nuclear localisation sequence (NLS) and is trafficked to the nucleus. The importance of IL-1alpha nuclear localisation is poorly understood. Here, we used CRISPR/Cas9 to make inactivating mutations to the NLS on the Il1a gene. A colony of NLS mutant mice was successfully generated with precise knock-in mutations to incapacitate NLS function. NLS mutant mice had no gross changes in immunophenotype or inflammatory response but, surprisingly, failed to express IL-1alpha. We deduced that, in making specific mutations in the Il1a gene, we also mutated a long-noncoding (lnc)RNA in the complementary strand which has cis-regulatory transcriptional control of the Il1a gene itself. The mutations generated in the Il1a gene also result in mutation of the lncRNA sequence and a predicted alteration of its secondary structure, potentially explaining a subsequent failure to function as a transcriptional activator of Il1a expression. Thus, lncRNA secondary structure may regulate IL-1alpha expression. Our results serve as a cautionary note that CRISPR -mediated genome editing without full knowledge of genomic context can result in unexpected, yet potentially informative observations. PMID- 29213067 TI - Not all observed actions are perceived equally. AB - Action observation is the visual process analyzing the actions of others to determine their goals and how the actor's body (part) movements permit attaining those goals. Our recent psychophysical study demonstrated that 1) observed action (OA) perception differs from shape perception in viewpoint and duration dependence, and 2) accuracy and reaction times of OA discrimination are fitted by the proportional-rate diffusion model whereby a sensory stage provides noisy evidence that is accumulated up to a criterion or bound by a decision stage. That study was devoted to observation of manipulative actions, following a general trend of the field. Recent functional imaging studies of action observation, however, have established various OA classes as separate entities with processing routes involving distinct posterior parietal cortex (PPC) regions. Here, we show that the diffusion model applies to multiple OA classes. Even more importantly, the observers' ability to discriminate exemplars of a given class differs considerably between OA classes and these performance differences correspond to differences in model parameters. In particular, OA classes differ in the bound parameter which we propose may reflect an urgency signal originating in the PPC regions corresponding to the sensory stages of different OA classes. PMID- 29213068 TI - Comparative analysis of double-stranded RNA degradation and processing in insects. AB - RNA interference (RNAi) based methods are being developed for pest management. A few products for control of coleopteran pests are expected to be commercialized soon. However, variability in RNAi efficiency among insects is preventing the widespread use of this technology. In this study, we conducted research to identify reasons for variability in RNAi efficiency among thirty-seven (37) insects belonging to five orders. Studies on double-stranded RNA (dsRNA) degradation by dsRNases and processing of labeled dsRNA to siRNA showed that both dsRNA degradation and processing are variable among insects belonging to different orders as well as among different insect species within the same order. We identified homologs of key RNAi genes in the genomes of some of these insects and studied their domain architecture. These data suggest that dsRNA digestion by dsRNases and its processing to siRNAs in the cells are among the major factors contributing to differential RNAi efficiency reported among insects. PMID- 29213069 TI - Preparation of Permanent Magnetic Resin Crosslinking by Diallyl Itaconate and Its Adsorptive and Anti-fouling Behaviors for Humic Acid Removal. AB - In this research, a series of permanent magnetic anion exchange resins (MAERs) were prepared by polymerizing glycidyl methacrylate monomer and crosslinking diallyl itaconate (DAI) and divinylbenzene. The properties and performances of these novel MAERs were systematically characterized and evaluated for humic acid (HA) adsorption by batch experiments. With the increase of DAI content from 0 to 15%, the moisture of MAERs was elevated from 50.23% to 68.53%, along with the adsorption capacity increasing from 2.57 to 3.14 mmol g-1. As the concentrations of co-existing cation (Ca2+ and Mg2+) increased, the adsorption amounts of HA dropped drastically at first and increased a little at high cation concentrations. Although ion exchange was the primary mechanism for HA adsorption, other physical interactions and electrostatic attraction between HA molecules and newly formed oxonium group also played significant roles for HA adsorption. The MAERs could be efficiently regenerated by a mixture of NaCl/NaOH solution (10%/1%), and notably, the MAER-3 with the highest DAI content displayed unapparent loss of adsorption capacity during twenty-one successive adsorption desorption cycles. These results suggested a novel resin adsorbent for its excellent performances on adsorption, regeneration, and sedimentation in water treatment for natural organic matter removal. PMID- 29213070 TI - Sensitivity analysis of coupled processes and parameters on the performance of enhanced geothermal systems. AB - 3-D modeling of coupled thermo-hydro-mechanical (THM) processes in enhanced geothermal systems using the control volume finite element code was done. In a first, a comparative analysis on the effects of coupled processes, operational parameters and reservoir parameters on heat extraction was conducted. We found that significant temperature drop and fluid overpressure occurred inside the reservoirs/fracture that affected the transport behavior of the fracture. The spatio-temporal variations of fracture aperture greatly impacted the thermal drawdown and consequently the net energy output. The results showed that maximum aperture evolution occurred near the injection zone instead of the production zone. Opening of the fracture reduced the injection pressure required to circulate a fixed mass of water. The thermal breakthrough and heat extraction strongly depend on the injection mass flow rate, well distances, reservoir permeability and geothermal gradients. High permeability caused higher water loss, leading to reduced heat extraction. From the results of TH vs THM process simulations, we conclude that appropriate coupling is vital and can impact the estimates of net heat extraction. This study can help in identifying the critical operational parameters, and process optimization for enhanced energy extraction from a geothermal system. PMID- 29213072 TI - Characterization of Large Copy Number Variation in Mexican Type 2 Diabetes subjects. AB - The effect of Copy Number Variants (CNVs) on Type 2 Diabetes (T2D) remains little explored. The present study characterized large rare CNVs in 686 T2D and 194 non T2D subjects of Mexican ancestry genotyped using the Affymetrix Genome-Wide Human SNP array 5.0. Rare CNVs with >= 100 kb length were identified using a stringent strategy based on merging CNVs calls generated using Birdsuit, iPattern and PennCNV algorithms. We applied three different strategies to evaluate the distribution of CNVs in the T2D and non-T2D samples: 1) Burden analysis, 2) Identification of CNVs in loci previously associated to T2D, and 3) Identification of CNVs observed only in the T2D group. In the CNV burden analysis, the T2D group showed a higher proportion of CNVs, and also a higher proportion of CNVs overlapping at least one gene than the non T2D group. Five of the six loci previously associated with T2D had duplications or deletions in the T2D sample, but not the non-T2D sample. A gene-set analysis including genes with CNVs observed only in the T2D group highlighted gene-sets related with sensory perception (olfactory receptors, OR) and phenylpyruvate tautomerase/dopachrome isomerase activity (MIF and DDT genes). PMID- 29213071 TI - GWAS of the electrocardiographic QT interval in Hispanics/Latinos generalizes previously identified loci and identifies population-specific signals. AB - QT interval prolongation is a heritable risk factor for ventricular arrhythmias and can predispose to sudden death. Most genome-wide association studies (GWAS) of QT were performed in European ancestral populations, leaving other groups uncharacterized. Herein we present the first QT GWAS of Hispanic/Latinos using data on 15,997 participants from four studies. Study-specific summary results of the association between 1000 Genomes Project (1000G) imputed SNPs and electrocardiographically measured QT were combined using fixed-effects meta analysis. We identified 41 genome-wide significant SNPs that mapped to 13 previously identified QT loci. Conditional analyses distinguished six secondary signals at NOS1AP (n = 2), ATP1B1 (n = 2), SCN5A (n = 1), and KCNQ1 (n = 1). Comparison of linkage disequilibrium patterns between the 13 lead SNPs and six secondary signals with previously reported index SNPs in 1000G super populations suggested that the SCN5A and KCNE1 lead SNPs were potentially novel and population-specific. Finally, of the 42 suggestively associated loci, AJAP1 was suggestively associated with QT in a prior East Asian GWAS; in contrast BVES and CAP2 murine knockouts caused cardiac conduction defects. Our results indicate that whereas the same loci influence QT across populations, population-specific variation exists, motivating future trans-ethnic and ancestrally diverse QT GWAS. PMID- 29213075 TI - Suppression of Stochastic Domain Wall Pinning Through Control of Gilbert Damping. AB - Finite temperature micromagnetic simulations were used to investigate the magnetisation structure, propagation dynamics and stochastic pinning of domain walls in rare earth-doped Ni80Fe20 nanowires. We first show how the increase of the Gilbert damping, caused by the inclusion rare-earth dopants such as holmium, acts to suppress Walker breakdown phenomena. This allows domain walls to maintain consistent magnetisation structures during propagation. We then employ finite temperature simulations to probe how this affects the stochastic pinning of domain walls at notch-shaped artificial defect sites. Our results indicate that the addition of even a few percent of holmium allows domain walls to pin with consistent and well-defined magnetisation configurations, thus suppressing dynamically-induced stochastic pinning/depinning phenomena. Together, these results demonstrate a powerful, materials science-based solution to the problems of stochastic domain wall pinning in soft ferromagnetic nanowires. PMID- 29213073 TI - Reversible silencing of lumbar spinal interneurons unmasks a task-specific network for securing hindlimb alternation. AB - Neural circuitry in the lumbar spinal cord governs two principal features of locomotion, rhythm and pattern, which reflect intra- and interlimb movement. These features are functionally organized into a hierarchy that precisely controls stepping in a stereotypic, speed-dependent fashion. Here, we show that a specific component of the locomotor pattern can be independently manipulated. Silencing spinal L2 interneurons that project to L5 selectively disrupts hindlimb alternation allowing a continuum of walking to hopping to emerge from the otherwise intact network. This perturbation, which is independent of speed and occurs spontaneously with each step, does not disrupt multi-joint movements or forelimb alternation, nor does it translate to a non-weight-bearing locomotor activity. Both the underlying rhythm and the usual relationship between speed and spatiotemporal characteristics of stepping persist. These data illustrate that hindlimb alternation can be manipulated independently from other core features of stepping, revealing a striking freedom in an otherwise precisely controlled system. PMID- 29213074 TI - Galectin-3 impacts Cryptococcus neoformans infection through direct antifungal effects. AB - Cryptococcus neoformans is an encapsulated fungal pathogen that causes cryptococcosis, which is a major opportunistic infection in immunosuppressed individuals. Mammalian beta-galactoside-binding protein Galectin-3 (Gal-3) modulates the host innate and adaptive immunity, and plays significant roles during microbial infections including some fungal diseases. Here we show that this protein plays a role also in C. neoformans infection. We find augmented Gal 3 serum levels in human and experimental infections, as well as in spleen, lung, and brain tissues of infected mice. Gal-3-deficient mice are more susceptible to cryptococcosis than WT animals, as demonstrated by the higher fungal burden and lower animal survival. In vitro experiments show that Gal-3 inhibits fungal growth and exerts a direct lytic effect on C. neoformans extracellular vesicles (EVs). Our results indicate a direct role for Gal-3 in antifungal immunity whereby this molecule affects the outcome of C. neoformans infection by inhibiting fungal growth and reducing EV stability, which in turn could benefit the host. PMID- 29213076 TI - Strain induced band inversion and topological phase transition in methyl decorated stanene film. AB - The researches for new quantum spin Hall (QSH) insulators with large bulk energy gap are of much significance for their practical applications at room temperature in electronic devices with low-energy consumption. By means of first-principles calculations, we proposed that methyl-decorated stanene (SnCH3) film can be tuned into QSH insulator under critical tensile strain of 6%. The nonzero topological invariant and helical edge states further confirm the nontrivial nature in stretched SnCH3 film. The topological phase transition originates from the s-p xy type band inversion at the Gamma point with the strain increased. The spin orbital coupling (SOC) induces a large band gap of ~0.24 eV, indicating that SnCH3 film under strain is a quite promising material to achieve QSH effect. The proper substrate, h-BN, finally is presented to support the SnCH3 film with nontrivial topology preserved. PMID- 29213078 TI - Functional status of microvascular vasomotion is impaired in spontaneously hypertensive rat. AB - Accumulating evidence demonstrates that microcirculation plays a role in the pathogenesis of hypertension. In the current study, we demonstrated that pancreatic islet microvascular vasomotion of spontaneously hypertensive rats (SHRs) lost the ability to regulate blood flow perfusion and exhibited a lower microvascular blood perfusion pattern which was negative correlated with blood glucose level. SHRs administrated with insulin revealed an improvement of pancreatic islet microvascular vasomotion and blood perfusion pattern. In vitro, the expressions of endothelial nitric oxide synthase (eNOS) and phospho eNOSser1177 (p-eNOSser1177) were significantly decreased in high glucose exposed islet endothelial cells (iECs), accompanied with a higher ratio of eNOS monomer to eNOS dimer and a significantly increased malondialdehyde and nitrite levels. Meanwhile, barrier function, tube formation and migration capacities of high glucose exposed iECs were significantly inhibited. In contrast, iECs dysfunction induced by glucose toxicity and oxidative stress was attenuated or improved by supplement with insulin, L-arginine and beta-mercaptoethanol. In summary, our findings suggest that functional status of pancreatic islet microvascular vasomotion is impaired in SHRs and provide evidence that treatment with insulin, L-arginine and beta-mercaptoethanol improves endothelium-dependent microvascular vasomotion and meliorates iECs function due to anti-hyperglycemic and anti oxidative effects, partly through mechanism involving regulation of eNOS and p eNOSser1177. PMID- 29213077 TI - Allosteric nanobodies uncover a role of hippocampal mGlu2 receptor homodimers in contextual fear consolidation. AB - Antibodies have enormous therapeutic and biotechnology potential. G protein coupled receptors (GPCRs), the main targets in drug development, are of major interest in antibody development programs. Metabotropic glutamate receptors are dimeric GPCRs that can control synaptic activity in a multitude of ways. Here we identify llama nanobodies that specifically recognize mGlu2 receptors, among the eight subtypes of mGluR subunits. Among these nanobodies, DN10 and 13 are positive allosteric modulators (PAM) on homodimeric mGlu2, while DN10 displays also a significant partial agonist activity. DN10 and DN13 have no effect on mGlu2-3 and mGlu2-4 heterodimers. These PAMs enhance the inhibitory action of the orthosteric mGlu2/mGlu3 agonist, DCG-IV, at mossy fiber terminals in the CA3 region of hippocampal slices. DN13 also impairs contextual fear memory when injected in the CA3 region of hippocampal region. These data highlight the potential of developing antibodies with allosteric actions on GPCRs to better define their roles in vivo. PMID- 29213080 TI - From the Age of 5 Humans Decide Economically, Whereas Crows Exhibit Individual Preferences. AB - Human societies greatly depend on tools, which spare us considerable time and effort. Humans might have evolved a bias to employ tools, using them even when they are unnecessary. This study aimed to investigate whether adult humans and a distantly related habitually tool-using vertebrate species, the New Caledonian crow (Corvus moneduloides), use tools depending on their necessity. In addition, children aged 3 to 5 years were examined to investigate the developmental pattern. The task involved choosing between using a body part (i.e. crows: beak; humans: hand) or a tool for retrieving a reward from a box. All subjects were tested in two conditions. In the Body+/Tool- condition, using the body was more efficient than using the tool, and conversely in the Body-/Tool+ condition. Our results suggest that the capacity to employ tools economically develops late in humans. Crows, however, failed to choose economically. At the individual level, some subjects exhibited striking individual preferences for either using a tool or their beak throughout the task. Whether such biases depend on individual experience or whether they are genetically determined remains to be investigated. Our findings provide new insights about tool use and its cognitive implementation in two outstanding tool-using taxa. PMID- 29213079 TI - Human CD26high T cells elicit tumor immunity against multiple malignancies via enhanced migration and persistence. AB - CD8+ T lymphocytes mediate potent immune responses against tumor, but the role of human CD4+ T cell subsets in cancer immunotherapy remains ill-defined. Herein, we exhibit that CD26 identifies three T helper subsets with distinct immunological properties in both healthy individuals and cancer patients. Although CD26neg T cells possess a regulatory phenotype, CD26int T cells are mainly naive and CD26high T cells appear terminally differentiated and exhausted. Paradoxically, CD26high T cells persist in and regress multiple solid tumors following adoptive cell transfer. Further analysis revealed that CD26high cells have a rich chemokine receptor profile (including CCR2 and CCR5), profound cytotoxicity (Granzyme B and CD107A), resistance to apoptosis (c-KIT and Bcl2), and enhanced stemness (beta-catenin and Lef1). These properties license CD26high T cells with a natural capacity to traffic to, regress and survive in solid tumors. Collectively, these findings identify CD4+ T cell subsets with properties critical for improving cancer immunotherapy. PMID- 29213082 TI - Features of electronic and lattice mechanisms of transboundary heat transfer in multilayer nanolaminate TiAlN/Ag coatings. AB - Plasmon resonance heterogeneities were identified and studied along Ag and TiAlN layers within a multilayer stack in nanolaminate TiAlN/Ag coatings. For this purpose, a high-resolution plasmon microscopy was used. The plasmons intensity, energy, and depth of interface plasmon-polariton penetration were studied by scanning reflected electron energy loss spectroscopy. The heat conductivity of such metal-insulator-metal (MIM) nanolaminate coatings was measured by laser reflectometry. Dependencies of thermal conductivity coefficient of coatings, MIM interfaces, and resistivity of Ag layers as a function of the Ag-TiAlN bilayer thickness were calculated on the basis of experimental data. The contribution of plasmon resonance confinement to the abnormal lower thermal conductivity in the MIM metamaterial with Ag layer thickness below 25 nm is discussed. In particular, the results highlight the relevant role of different heat transfer mechanisms between MI and IM interfaces: asymmetry of plasmon-polariton interactions on upper and lower boundaries of Ag layer and asymmetry of LA and TA phonons propagation through interfaces. PMID- 29213081 TI - Pak2 is essential for the function of Foxp3+ regulatory T cells through maintaining a suppressive Treg phenotype. AB - Foxp3, a key transcription factor that drives lineage differentiation of regulatory T cells (Tregs), was thought to imprint a unique and irreversible genetic signature within Tregs. Recent evidence, however, suggests that loss or attenuation of Foxp3 expression can cause Tregs to de-differentiate into effector T cells capable of producing proinflammatory cytokines. Herein, we report that the signaling kinase, p21-activated kinase 2 (Pak2), is essential for maintaining Treg stability and suppressive function. Loss of Pak2, specifically in Tregs, resulted in reduced expression of multiple Treg functional molecules, including Foxp3, CD25, Nrp-1 and CTLA-4, coupled with a loss of Treg suppressive function in vitro and in vivo. Interestingly, Pak2-deficient Tregs gained expression of Th2-associated cytokines and the transcription factor, Gata3, becoming Th2-like cells, explaining their inability to regulate immune responses. Collectively, these findings suggest Pak2 as an important signaling molecule for guarding against aberrant immune responses through regulating the stability of Foxp3+ Tregs and maintaining a suppressive Treg phenotype. PMID- 29213083 TI - Automated Interpretation and Extraction of Topographic Information from Time of Flight Secondary Ion Mass Spectrometry Data. AB - Time of flight secondary ion mass spectrometry (ToF-SIMS) is a powerful surface sensitive characterization tool allowing the imaging of chemical properties over a wide range of organic and inorganic material systems. This technique allows precise studies of chemical composition with sub-100-nm lateral and nanometer depth spatial resolution. However, comprehensive interpretation of ToF-SIMS results is challenging because of the very large data volume and high dimensionality. Furthermore, investigation of samples with pronounced topographical features is complicated by systematic and measureable shifts in the mass spectrum. In this work we developed an approach for the interpretation of the ToF-SIMS data, based on the advanced data analytics. Along with characterization of the chemical composition, our approach allows extraction of the sample surface morphology from a time of flight registration technique. This approach allows one to perform correlated investigations of surface morphology, biological function, and chemical composition of Arabidopsis roots. PMID- 29213084 TI - Emerging Role for the PERK/eIF2alpha/ATF4 in Human Cutaneous Leishmaniasis. AB - Leishmania parasites utilize adaptive evasion mechanisms in infected macrophages to overcome host defenses and proliferate. We report here that the PERK/eIF2alpha/ATF4 signaling branch of the integrated endoplasmic reticulum stress response (IERSR) is activated by Leishmania and this pathway is important for Leishmania amazonensis infection. Knocking down PERK or ATF4 expression or inhibiting PERK kinase activity diminished L. amazonensis infection. Knocking down ATF4 decreased NRF2 expression and its nuclear translocation, reduced HO-1 expression and increased nitric oxide production. Meanwhile, the increased expression of ATF4 and HO-1 mRNAs were observed in lesions derived from patients infected with the prevalent related species L.(V.) braziliensis. Our data demonstrates that Leishmania parasites activate the PERK/eIF2alpha/ATF-4 pathway in cultured macrophages and infected human tissue and that this pathway is important for parasite survival and progression of the infection. PMID- 29213085 TI - Effective in vivo gene delivery with reduced toxicity, achieved by charge and fatty acid -modified cell penetrating peptide. AB - Non-viral gene delivery systems have gained considerable attention as a promising alternative to viral delivery to treat diseases associated with aberrant gene expression. However, regardless of extensive research, only a little is known about the parameters that underline in vivo use of the nanoparticle-based delivery vectors. The modest efficacy and low safety of non-viral delivery are the two central issues that need to be addressed. We have previously characterized an efficient cell penetrating peptide, PF14, for in vivo applications. In the current work, we first develop an optimized formulation of PF14/pDNA nanocomplexes, which allows removal of the side-effects without compromising the bioefficacy in vivo. Secondly, based on the physicochemical complex formation studies and biological efficacy assessments, we develop a series of PF14 modifications with altered charge and fatty acid content. We show that with an optimal combination of overall charge and hydrophobicity in the peptide backbone, in vivo gene delivery can be augmented. Further combined with the safe formulation, systemic gene delivery lacking any side effects can be achieved. PMID- 29213086 TI - 3D microniches reveal the importance of cell size and shape. AB - Geometrical cues have been shown to alter gene expression and differentiation on 2D substrates. However, little is known about how geometrical cues affect cell function in 3D. One major reason for this lack of understanding is rooted in the difficulties of controlling cell geometry in a complex 3D setting and for long periods of culture. Here, we present a robust method to control cell volume and shape of individual human mesenchymal stem cells (hMSCs) inside 3D microniches with a range of different geometries (e.g., cylinder, triangular prism, cubic, and cuboid). We find that the actin filaments, focal adhesions, nuclear shape, YAP/TAZ localization, cell contractility, nuclear accumulation of histone deacetylase 3, and lineage selection are all sensitive to cell volume. Our 3D microniches enable fundamental studies on the impact of biophysical cues on cell fate, and have potential applications in investigating how multicellular architectures organize within geometrically well-defined 3D spaces. PMID- 29213087 TI - Warhead biosynthesis and the origin of structural diversity in hydroxamate metalloproteinase inhibitors. AB - Metalloproteinase inhibitors often feature hydroxamate moieties to facilitate the chelation of metal ions in the catalytic center of target enzymes. Actinonin and matlystatins are potent metalloproteinase inhibitors that comprise rare N hydroxy-2-pentyl-succinamic acid warheads. Here we report the identification and characterization of their biosynthetic pathways. By gene cluster comparison and a combination of precursor feeding studies, heterologous pathway expression and gene deletion experiments we are able to show that the N-hydroxy-alkyl-succinamic acid warhead is generated by an unprecedented variation of the ethylmalonyl-CoA pathway. Moreover, we present evidence that the remarkable structural diversity of matlystatin congeners originates from the activity of a decarboxylase dehydrogenase enzyme with high similarity to enzymes that form epoxyketones. We further exploit this mechanism to direct the biosynthesis of non-natural matlystatin derivatives. Our work paves the way for follow-up studies on these fascinating pathways and allows the identification of new protease inhibitors by genome mining. PMID- 29213088 TI - NSD1 inactivation defines an immune cold, DNA hypomethylated subtype in squamous cell carcinoma. AB - Chromatin modifying enzymes are frequently mutated in cancer, resulting in widespread epigenetic deregulation. Recent reports indicate that inactivating mutations in the histone methyltransferase NSD1 define an intrinsic subtype of head and neck squamous cell carcinoma (HNSC) that features pronounced DNA hypomethylation. Here, we describe a similar hypomethylated subtype of lung squamous cell carcinoma (LUSC) that is enriched for both inactivating mutations and deletions in NSD1. The 'NSD1 subtypes' of HNSC and LUSC are highly correlated at the DNA methylation and gene expression levels, featuring ectopic expression of developmental transcription factors and genes that are also hypomethylated in Sotos syndrome, a congenital disorder caused by germline NSD1 mutations. Further, the NSD1 subtype of HNSC displays an 'immune cold' phenotype characterized by low infiltration of tumor-associated leukocytes, particularly macrophages and CD8+ T cells, as well as low expression of genes encoding the immunotherapy target PD-1 immune checkpoint receptor and its ligands. Using an in vivo model, we demonstrate that NSD1 inactivation results in reduced T cell infiltration into the tumor microenvironment, implicating NSD1 as a tumor cell-intrinsic driver of an immune cold phenotype. NSD1 inactivation therefore causes epigenetic deregulation across cancer sites, and has implications for immunotherapy. PMID- 29213089 TI - Formation of a transient amorphous solid in low density aqueous charged sphere suspensions. AB - Colloidal glasses formed from hard spheres, nearly hard spheres, ellipsoids and platelets or their attractive variants, have been studied in great detail. Complementing and constraining theoretical approaches and simulations, the many different types of model systems have significantly advanced our understanding of the glass transition in general. Despite their early prediction, however, no experimental charged sphere glasses have been found at low density, where the competing process of crystallization prevails. We here report the formation of a transient amorphous solid formed from charged polymer spheres suspended in thoroughly deionized water at volume fractions of 0.0002-0.01. From optical experiments, we observe the presence of short-range order and an enhanced shear rigidity as compared to the stable polycrystalline solid of body centred cubic structure. On a density dependent time scale of hours to days, the amorphous solid transforms into this stable structure. We further present preliminary dynamic light scattering data showing the evolution of a second slow relaxation process possibly pointing to a dynamic heterogeneity known from other colloidal glasses and gels. We compare our findings to the predicted phase behaviour of charged sphere suspensions and discuss possible mechanisms for the formation of this peculiar type of colloidal glass. PMID- 29213090 TI - Evaluation of short interval cortical inhibition and intracortical facilitation from the dorsolateral prefrontal cortex in patients with schizophrenia. AB - GABAergic and glutamatergic dysfunction in the dorsolateral prefrontal cortex (DLPFC) are thought to be the core pathophysiological mechanisms of schizophrenia. Recently, we have established a method to index these functions from the DLPFC using the paired transcranial magnetic stimulation (TMS) paradigms of short interval intracortical inhibition (SICI) and facilitation (ICF) combined with electroencephalography (EEG). In this study, we aimed to evaluate neurophysiological indicators related to GABAA and glutamate receptor-mediated functions respectively from the DLPFC in patients with schizophrenia using these paradigms, compared to healthy controls. Given that these activities contribute to cognitive functions, the relationship between the TMS-evoked potential (TEP) modulations by SICI/ICF and cognitive/clinical measures were explored. Compared to controls, patients showed reduced inhibition in P60 (t22 = -4.961, p < 0.0001) by SICI and reduced facilitation in P60 (t22 = 5.174, p < 0.0001) and N100 (t22 = 3.273, p = 0.003) by ICF. In patients, the modulation of P60 by SICI was correlated with the longest span of the Letter-Number Span Test (r = -0.775, p = 0.003), while the modulation of N100 by ICF was correlated with the total score of the Positive and Negative. Syndrome Scale (r = 0.817, p = 0.002). These findings may represent the pathophysiology, which may be associated with prefrontal GABAA and glutamatergic dysfunctions, in the expression of symptoms of schizophrenia. PMID- 29213091 TI - Nitric oxide mediates apoptosis and mitochondrial dysfunction and plays a role in growth hormone deficiency by nivalenol in GH3 cells. AB - Nivalenol (NIV), a type B trichothecenes commonly found in cereal crops, can cause growth impairment in animals. However, limited information about its mechanisms is available. Trichothecenes have been characterized as an inhibitor of protein synthesis and induce apoptosis in cells. Oxidative stress is considered an underlying mechanism. However, whether NIV can induce oxidative stress and apoptosis in rat pituitary cells line GH3 is unclear. The present study showed that NIV significantly reduced the viability of cells and caused oxidative stress in GH3 cells. Further experiments showed that nitric oxide (NO), but not ROS, mediated NIV-induced oxidative stress. Additionally, NIV induced caspase-dependent apoptosis, decrease in mitochondrial membrane potential and mitochondrial ultrastructural changes. However, NIV-induced caspase activation, mitochondrial damage and apoptosis were partially alleviated by Z-VAD-FMK or NO scavenger hemoglobin. Finally, NIV changed the expression of growth-associated genes and pro-inflammatory cytokines. NIV also reduced the GH secretion in GH3 cells, which was reversed by hemoglobin. Taken together, these results suggested that NIV induced apoptosis in caspase-dependent mitochondrial pathway in GH3 cells, which might be an underlying mechanism of NIV-induced GH deficiency. Importantly, NO played a critical role in the induction of oxidative stress, apoptosis and GH deficiency in NIV-treated GH3 cells. PMID- 29213093 TI - Modeling pollen-mediated gene flow from glyphosate-resistant to -susceptible giant ragweed (Ambrosia trifida L.) under field conditions. AB - A field experiment was conducted to quantify pollen mediated gene flow (PMGF) from glyphosate-resistant (GR) to glyphosate-susceptible (GS) giant ragweed under simulated field conditions using glyphosate resistance as a selective marker. Field experiments were conducted in a concentric design with the GR giant ragweed pollen source planted in the center and GS giant ragweed pollen receptors surrounding the center in eight directional blocks at specified distances (between 0.1 and 35 m in cardinal and ordinal directions; and additional 50 m for ordinal directions). Seeds of GS giant ragweed were harvested from the pollen receptor blocks and a total of 100,938 giant ragweed plants were screened with glyphosate applied at 2,520 g ae ha-1 and 16,813 plants confirmed resistant. The frequency of PMGF was fit to a double exponential decay model selected by information-theoretic criteria. The highest frequency of gene flow (0.43 to 0.60) was observed at <=0.5 m from the pollen source and reduced rapidly with increasing distances; however, gene flow (0.03 to 0.04) was detected up to 50 m. The correlation between PMGF and wind parameters was inconsistent in magnitude, direction, and years. PMID- 29213092 TI - Developmental nonlinearity drives phenotypic robustness. AB - Robustness to perturbation is a fundamental feature of complex organisms. Mutations are the raw material for evolution, yet robustness to their effects is required for species survival. The mechanisms that produce robustness are poorly understood. Nonlinearities are a ubiquitous feature of development that may link variation in development to phenotypic robustness. Here, we manipulate the gene dosage of a signaling molecule, Fgf8, a critical regulator of vertebrate development. We demonstrate that variation in Fgf8 expression has a nonlinear relationship to phenotypic variation, predicting levels of robustness among genotypes. Differences in robustness are not due to gene expression variance or dysregulation, but emerge from the nonlinearity of the genotype-phenotype curve. In this instance, embedded features of development explain robustness differences. How such features vary in natural populations and relate to genetic variation are key questions for unraveling the origin and evolvability of this feature of organismal development. PMID- 29213094 TI - Sodium fluoride exposure exerts toxic effects on porcine oocyte maturation. AB - Excessive long-term fluoride intake is associated with several health problems, including infertility. However, limited information is available on the toxic effects of fluoride exposure on the female reproductive system, especially oocyte maturation. In this study, we investigated the toxic effect of sodium fluoride (NaF) exposure on porcine oocyte maturation and its possible underlying mechanisms. Our results showed that NaF exposure during porcine oocyte maturation inhibited cumulus cell expansion and impaired polar body extrusion. Cell cycle analysis showed that NaF exposure blocked meiotic resumption, disturbed spindle dynamics, disrupted chromosome separation, and increased aneuploidy in porcine oocytes. Moreover, NaF exposure disturbed mitochondrial function, triggered DNA damage response, and induced early apoptosis in porcine oocytes. NaF exposure also induced oxidative stress, decreased GSH level, and increased cathepsin B activity in and impaired the further development potential of porcine oocytes, as indicated by a decrease in blastocyst formation rate, increase in apoptosis, and inhibition of cell proliferation. Together, these results indicate that NaF exposure impairs the maturation capacity of porcine oocytes by inhibiting cumulus cell expansion, disturbing cytoskeletal dynamics, and blocking nuclear and cytoplasmic maturation, thus decreasing the quality and affecting the subsequent embryonic development potential of porcine oocytes. PMID- 29213095 TI - Evolution of Energy Related Metabolites in Plasma from Newborns with Hypoxic Ischemic Encephalopathy during Hypothermia Treatment. AB - Therapeutic hypothermia (TH) initiated within 6 h from birth is the most effective therapeutic approach for moderate to severe hypoxic-ischemic encephalopathy (HIE). However, underlying mechanisms and effects on the human metabolism are not yet fully understood. This work aims at studying the evolution of several energy related key metabolites in newborns with HIE undergoing TH employing gas chromatography - mass spectrometry. The method was validated following stringent FDA requirements and applied to 194 samples from a subgroup of newborns with HIE (N = 61) enrolled in a multicenter clinical trial (HYPOTOP) for the determination of lactate, pyruvate, ketone bodies and several Krebs cycle metabolites at different sampling time points. The analysis of plasma samples from newborns with HIE revealed a decrease of lactate, pyruvate and beta hydroxybutyrate concentrations, whereas rising malate concentrations were observed. In healthy control newborns (N = 19) significantly lower levels of pyruvate and lactate were found in comparison to age-matched newborns with HIE undergoing TH, whereas acetoacetate and beta-hydroxybutyrate levels were clearly increased. Access to a validated analytical method and a controlled cohort of newborns with HIE undergoing hypothermia treatment for the first time allowed the in-depth study of the evolution of key metabolites of metabolic junctions in this special population. PMID- 29213096 TI - Prophylactic Active Tau Immunization Leads to Sustained Reduction in Both Tau and Amyloid-beta Pathologies in 3xTg Mice. AB - Amyloid-beta (Abeta) and tau pathologies are intertwined in Alzheimer's disease, and various immunotherapies targeting these hallmarks are in clinical trials. To determine if tau pathology influences Abeta burden and to assess prophylactic benefits, 3xTg and wild-type mice received tau immunization from 2-6 months of age. The mice developed a high IgG titer that was maintained at 22 months of age. Pronounced tau and Abeta pathologies were primarily detected in the subiculum/CA1 region, which was therefore the focus of analysis. The therapy reduced histopathological tau aggregates by 70-74% overall (68% in males and 78-86% in females), compared to 3xTg controls. Likewise, western blot analysis revealed a 41% clearance of soluble tau (38-76% in males and 48% in females) and 42-47% clearance of insoluble tau (47-58% in males and 49% in females) in the immunized mice. Furthermore, Abeta burden was reduced by 84% overall (61% in males and 97% in females). These benefits were associated with reductions in microgliosis and microhemorrhages. In summary, prophylactic tau immunization not only prevents tau pathology but also Abeta deposition and related pathologies in a sustained manner, indicating that tau pathology can promote Abeta deposition, and that a short immunization regimen can have a long-lasting beneficial effect. PMID- 29213098 TI - Bias induced ferromagnetism and half-metallicity in graphene nano-ribbons. AB - Towards spin selective electronics made of three coordinated carbon atoms, here we computationally propose robust and reversibly bias driven evolution of pristine undoped graphene nano-ribbons(GNR) into ferromagnetic-semiconductor, metal or a half metal, irrespective of their edge configurations. The evolution is a result of a rare ferromagnetic(FM) order emerging among nearest neighbouring(n-n) sites, in positively biased regions in their in-homogeneous bias unit-cells, in attempt to cooperatively minimise on-site Coulomb repulsion and kinetic energy, while maximising localization of electrons at the positively biased sites. The phenomenon appears to be a general property of in-homogeneously biased Coulomb correlated bipartite systems. Consequences are particularly rich in zigzag edged graphene nano-ribbons(ZGNR) due to the contest of bias driven n-n FM order and the inter-edge antiferromagnetic order inherent to ZGNRs, leading to systematic closing of gap for one of the spins, amounting to bias controlled unmissable opening of window for FM-semiconducting and half-metallic transport. PMID- 29213097 TI - Multiplexed computations in retinal ganglion cells of a single type. AB - In the early visual system, cells of the same type perform the same computation in different places of the visual field. How these cells code together a complex visual scene is unclear. A common assumption is that cells of a single-type extract a single-stimulus feature to form a feature map, but this has rarely been observed directly. Using large-scale recordings in the rat retina, we show that a homogeneous population of fast OFF ganglion cells simultaneously encodes two radically different features of a visual scene. Cells close to a moving object code quasilinearly for its position, while distant cells remain largely invariant to the object's position and, instead, respond nonlinearly to changes in the object's speed. We develop a quantitative model that accounts for this effect and identify a disinhibitory circuit that mediates it. Ganglion cells of a single type thus do not code for one, but two features simultaneously. This richer, flexible neural map might also be present in other sensory systems. PMID- 29213099 TI - Apparent Diffusion Coefficient (ADC) predicts therapy response in pancreatic ductal adenocarcinoma. AB - Recent advances in molecular subtyping of Pancreatic Ductal Adenocarcinoma (PDAC) support individualization of therapeutic strategies in this most aggressive disease. With the emergence of various novel therapeutic strategies and neoadjuvant approaches in this quickly deteriorating disease, robust approaches for fast evaluation of therapy response are urgently needed. To this aim, we designed a preclinical imaging-guided therapy trial where genetically engineered mice harboring endogenous aggressive PDAC were treated with the MEK targeting drug refametinib, which induces rapid and profound tumor regression in this model system. Multi-parametric non-invasive imaging was used for therapy response monitoring. A significant increase in the Diffusion-Weighted Magnetic Resonance Imaging derived Apparent Diffusion Coefficient (ADC) was noted already 24 hours after treatment onset. Histopathological analyses showed increased apoptosis and matrix remodeling at this time point. Our findings suggest the ADC parameter as an early predictor of therapy response in PDAC. PMID- 29213100 TI - Altered spontaneous calcium signaling of in situ chondrocytes in human osteoarthritic cartilage. AB - Intracellular calcium ([Ca2+]i) signaling is an essential universal secondary messenger in articular chondrocytes. However, little is known about its spatiotemporal features in the context of osteoarthritis (OA). Herein, by examining the cartilage samples collected from patients undergoing knee arthroscopic surgery, we investigated the spatiotemporal features of spontaneous [Ca2+]i signaling in in situ chondrocytes at different OA stages. Our data showed zonal dependent spontaneous [Ca2+]i signaling in healthy cartilage samples under 4 mM calcium environment. This signal was significantly attenuated in healthy cartilage samples but increased in early-degenerated cartilage when cultured in 0 mM calcium environment. No significant difference was found in [Ca2+]i intensity oscillation in chondrocytes located in middle zones among ICRS 1-3 samples under both 4 and 0 mM calcium environments. However, the correlation was found in deep zone chondrocytes incubated in 4 mM calcium environment. In addition, increased protein abundance of Cav3.3 T-type voltage dependent calcium channel and Nfatc2 activity were observed in early-degenerated cartilage samples. The present study exhibited OA severity dependent spatiotemporal features of spontaneous [Ca2+]i oscillations of in situ chondrocytes, which might reflect the zonal specific role of chondrocytes during OA progression and provide new insight in articular cartilage degradation during OA progression. PMID- 29213101 TI - Modulation of the Neisseria gonorrhoeae drug efflux conduit MtrE. AB - Widespread antibiotic resistance, especially of Gram-negative bacteria, has become a severe concern for human health. Tripartite efflux pumps are one of the major contributors to resistance in Gram-negative pathogens, by efficiently expelling a broad spectrum of antibiotics from the organism. In Neisseria gonorrhoeae, one of the first bacteria for which pan-resistance has been reported, the most expressed efflux complex is MtrCDE. Here we present the electrophysiological characterisation of the outer membrane component MtrE and the membrane fusion protein MtrC, obtained by a combination of planar lipid bilayer recordings and in silico techniques. Our in vitro results show that MtrE can be regulated by periplasmic binding events and that the interaction between MtrE and MtrC is sufficient to stabilize this complex in an open state. In contrast to other efflux conduits, the open complex only displays a slight preference for cations. The maximum conductance we obtain in the in vitro recordings is comparable to that seen in our computational electrophysiology simulations conducted on the MtrE crystal structure, indicating that this state may reflect a physiologically relevant open conformation of MtrE. Our results suggest that the MtrC/E binding interface is an important modulator of MtrE function, which could potentially be targeted by new efflux inhibitors. PMID- 29213102 TI - E-cadherin dynamics is regulated by galectin-7 at epithelial cell surface. AB - Re-epithelialisation of wounded epidermis is ensured by collective cell migration of keratinocytes. Efficient collective migration requires the maintenance of intercellular adhesion, notably through adherens junctions, to favour cell communication, support tension forces and coordinated movement . Galectin-7, a soluble lectin expressed in stratified epithelia, has been previously implicated in cell migration and intercellular adhesion. Here, we revealed a new function of galectin-7 in the control of directionality and collective behaviour in migrating keratinocytes. Consistently, we identified galectin-7 as a direct partner of E cadherin, a key component of adherens junctions. Unexpectedly, this interaction does not require glycosylation motifs. Focusing on the underlying mechanisms, we showed that galectin-7 stabilizes E-cadherin at the plasma membrane, restraining its endocytosis. Interestingly, galectin-7 silencing decreases E-cadherin mediated intercellular adhesion. Consequently, this study not only identifies a new stabilizer of adherens junctions but also emphasises the importance of the interplay between E-cadherin turnover and intercellular adhesion strength. PMID- 29213103 TI - Heterogeneous responses of temperate-zone amphibian populations to climate change complicates conservation planning. AB - The pervasive and unabated nature of global amphibian declines suggests common demographic responses to a given driver, and quantification of major drivers and responses could inform broad-scale conservation actions. We explored the influence of climate on demographic parameters (i.e., changes in the probabilities of survival and recruitment) using 31 datasets from temperate zone amphibian populations (North America and Europe) with more than a decade of observations each. There was evidence for an influence of climate on population demographic rates, but the direction and magnitude of responses to climate drivers was highly variable among taxa and among populations within taxa. These results reveal that climate drivers interact with variation in life-history traits and population-specific attributes resulting in a diversity of responses. This heterogeneity complicates the identification of conservation 'rules of thumb' for these taxa, and supports the notion of local focus as the most effective approach to overcome global-scale conservation challenges. PMID- 29213104 TI - Musical Imagery Involves Wernicke's Area in Bilateral and Anti-Correlated Network Interactions in Musicians. AB - Musical imagery is the human experience of imagining music without actually hearing it. The neural basis of this mental ability is unclear, especially for musicians capable of engaging in accurate and vivid musical imagery. Here, we created a visualization of an 8-minute symphony as a silent movie and used it as real-time cue for musicians to continuously imagine the music for repeated and synchronized sessions during functional magnetic resonance imaging (fMRI). The activations and networks evoked by musical imagery were compared with those elicited by the subjects directly listening to the same music. Musical imagery and musical perception resulted in overlapping activations at the anterolateral belt and Wernicke's area, where the responses were correlated with the auditory features of the music. Whereas Wernicke's area interacted within the intrinsic auditory network during musical perception, it was involved in much more complex networks during musical imagery, showing positive correlations with the dorsal attention network and the motor-control network and negative correlations with the default-mode network. Our results highlight the important role of Wernicke's area in forming vivid musical imagery through bilateral and anti-correlated network interactions, challenging the conventional view of segregated and lateralized processing of music versus language. PMID- 29213105 TI - Preoperative prostate health index predicts poor pathologic outcomes of radical prostatectomy in patients with biopsy-detected low-risk patients prostate cancer: results from a Chinese prospective cohort. AB - OBJECTIVE: To determine the performance of the prostate health index (PHI) in predicting pathologic outcomes of radical prostatectomy (RP) in Chinese patients with low-risk prostate cancer (PCa). METHODS: Of all consecutive patients who underwent RP in one tertiary center from September 2013 to January 2017, we prospectively examined the data of 140 patients with low-risk PCa based on the Prostate Cancer Research International: Active Surveillance (PRIAS) criteria. All patients were eligible for active surveillance, but underwent RP. Clinical and pathological data were collected. Logistic regression was used to evaluate the associations between the PHI and outcome of RP. The area under the receiver operating curve (AUC) was used to evaluate the accuracy of different models. Decision curve analysis was used to evaluate the potential clinical usefulness of making model-based decisions. RESULTS: Only 44 (31.4%) patients were finally confirmed to have organ-confined Gleason <=6 PCa. A low PHI was significantly predictive of organ-confined Gleason <=6 PCa (p = 0.001), while tPSA and f/tPSA were not associated with final pathology. In the multivariate analyses, addition of the PHI significantly increased the predictive accuracy (AUC = 0.767, 95% Cl 0.685-0.849, p < 0.001). CONCLUSION: The PRIAS criteria for active surveillance may not suitable for Chinese patients with PCa. Addition of the PHI to the PRIAS models improved the prognostic performance. If confirmed in future larger and multicenter studies, PHI may help us to identify patients eligible for AS in China. PMID- 29213106 TI - All-optical control of light on a graphene-on-silicon nitride chip using thermo optic effect. AB - All-optical signal processing avoids the conversion between optical signals and electronic signals and thus has the potential to achieve a power efficient photonic system. Micro-scale all-optical devices for light manipulation are the key components in the all-optical signal processing and have been built on the semiconductor platforms (e.g., silicon and III-V semiconductors). However, the two-photon absorption (TPA) effect and the free-carrier absorption (FCA) effect in these platforms deteriorate the power handling and limit the capability to realize complex functions. Instead, silicon nitride (Si3N4) provides a possibility to realize all-optical large-scale integrated circuits due to its insulator nature without TPA and FCA. In this work, we investigate the physical dynamics of all-optical control on a graphene-on-Si3N4 chip based on thermo-optic effect. In the experimental demonstration, a switching response time constant of 253.0 ns at a switching energy of ~50 nJ is obtained with a device dimension of 60 MUm * 60 MUm, corresponding to a figure of merit (FOM) of 3.0 nJ mm. Detailed coupled-mode theory based analysis on the thermo-optic effect of the device has been performed. PMID- 29213107 TI - Brain-to-Brain Synchrony during Naturalistic Social Interactions. AB - The evolution of humans as a highly social species tuned the brain to the social world; yet the mechanisms by which humans coordinate their brain response online during social interactions remain unclear. Using hyperscanning EEG recordings, we measured brain-to-brain synchrony in 104 adults during a male-female naturalistic social interaction, comparing romantic couples and strangers. Neural synchrony was found for couples, but not for strangers, localized to temporal-parietal structures and expressed in gamma rhythms. Brain coordination was not found during a three-minute rest, pinpointing neural synchrony to social interactions among affiliative partners. Brain-to-brain synchrony was linked with behavioral synchrony. Among couples, neural synchrony was anchored in moments of social gaze and positive affect, whereas among strangers, longer durations of social gaze and positive affect correlated with greater neural synchrony. Brain-to-brain synchrony was unrelated to episodes of speech/no-speech or general content of conversation. Our findings link brain-to-brain synchrony to the degree of social connectedness among interacting partners, ground neural synchrony in key nonverbal social behaviors, and highlight the role of human attachment in providing a template for two-brain coordination. PMID- 29213108 TI - The potential therapeutic effect of melatonin on human ovarian cancer by inhibition of invasion and migration of cancer stem cells. AB - There is an urgent need to identify targeting molecules to control invasion and metastasis in cancer patients. We first isolated cancer stem cells (CSCs) from SKOV3 ovarian cancer cells and then investigated the role of melatonin in invasiveness and migration of CSCs compared to SKOV3 cells. The proportion of CSCs in SKOV3 cells was as low as 1.28% with overexpression of both CD133 and CD44. The ability of spheroid formation along with SOX2 overexpression revealed a high self-renewal potential in isolated cells. Melatonin (3.4 mM) inhibited proliferation of CSCs by 23% which was confirmed by a marked decrease in protein expression of Ki67, as a proliferation marker. Applying luzindole, a melatonin receptor 1, 2 inhibitor, partially abolished anti-proliferative effect of melatonin. Melatonin also decreased Epithelial mesenchymal transition (EMT) related gene expressions including ZEB1, ZEB2, snail and vimentin with increase in E-cadherin as a negative EMT regulator. Incubation of CSCs with melatonin showed a marked decrease in matrix metalloproteinase 9 (MMP9) expression and activity. Melatonin also inhibited CSCs migration in a partially receptor dependent and PI3k and MAPK independent manner. Melatonin can be considered as an important adjuvant to control invasion and metastasis especially in patients with high melatonin receptor expression. PMID- 29213109 TI - Healthy food choices are happy food choices: Evidence from a real life sample using smartphone based assessments. AB - Research suggests that "healthy" food choices such as eating fruits and vegetables have not only physical but also mental health benefits and might be a long-term investment in future well-being. This view contrasts with the belief that high-caloric foods taste better, make us happy, and alleviate a negative mood. To provide a more comprehensive assessment of food choice and well-being, we investigated in-the-moment eating happiness by assessing complete, real life dietary behaviour across eight days using smartphone-based ecological momentary assessment. Three main findings emerged: First, of 14 different main food categories, vegetables consumption contributed the largest share to eating happiness measured across eight days. Second, sweets on average provided comparable induced eating happiness to "healthy" food choices such as fruits or vegetables. Third, dinner elicited comparable eating happiness to snacking. These findings are discussed within the "food as health" and "food as well-being" perspectives on eating behaviour. PMID- 29213111 TI - The tight-binding formulation of the Kronig-Penney model. AB - Electronic band structure calculations are frequently parametrized in tight binding form; the latter representation is then often used to study electron correlations. In this paper we provide a derivation of the tight-binding model that emerges from the exact solution of a particle bound in a periodic one dimensional array of square well potentials. We derive the dispersion for such a model, and show that an effective next-nearest-neighbour hopping parameter is required for an accurate description. An electron-hole asymmetry is prevalent except in the extreme tight-binding limit, and emerges through a "next-nearest neighbour" hopping term in the dispersion. We argue that this does not necessarily imply next-nearest-neighbour tunneling; this assertion is demonstrated by deriving the transition amplitudes for a two-state effective model that describes a double-well potential, which is a simplified precursor to the problem of a periodic array of potential wells. A next-nearest-neighbour tunneling parameter is required for an accurate description even though there are no such neighbours. PMID- 29213110 TI - The relationship between dlPFC activity during unpredictable threat and CO2 induced panic symptoms. AB - Panic disorder is characterized by sudden, repeated, and unexpected attacks of intense fear and overwhelming anxiety about when another attack may strike. Patients with panic disorder and healthy individuals with a history of panic attacks show a hypersensitivity to unpredictable threats, suggesting a possible link between panic and sustained anxiety. The purpose of this study was to determine the degree to which induced symptoms of panic relate to fear and anxiety, as well as activity in the neural systems that mediate and regulate these affective states. Psychological and physiological symptoms of panic were assessed during an 8-min 7.5% CO2 challenge task. Psychological, physiological, and neural symptoms of fear and anxiety were measured during two sessions (one psychophysiology and one functional magnetic resonance imaging where subjects experienced several blocks of no threat (N), predictable shock (P), and unpredictable shock (U; NPU threat task). We used a principle component analysis to characterize panic susceptibility (PS), and found that PS significantly predicted dorsolateral prefrontal cortex (dlPFC) activity to the unpredictable cue during the NPU threat task. When examining the weighted beta coefficients from this analysis, we observed that self-reported fear/anxiety during the CO2 challenge negatively loaded onto dlPFC activity during the NPU task. Consistent with this observation, dlPFC activity during the unpredictable cue was also negatively correlated with anxiety during the NPU sessions. Together, these results suggest that panic symptoms and anxiety are regulated by the same prefrontal cognitive control system. PMID- 29213112 TI - Nanometer collimation enhancement of ion beams using channeling effects in track etched mica capillaries. AB - Long channels with diameter of few tens of nanometer are produced by chemical track etching of swift heavy ion irradiated muscovite sheets. Such small apertures are most suitable e.g. as beam defining apertures for focusing systems in ion beam facilities enabling beam diameters down to a few nanometers. One of the most important parameters to consider is the interaction of the ion beam with the walls of the aperture. We report angle-resolved transmission and energy-loss measurements of MeV ion beams through ion-track-etched capillaries with very high aspect ratio of about 60. For all ion energies, the angle-resolved transmission curves measured through the channels show a significant enhancement with respect to the expected pure geometrical considerations. This broadening of the acceptance angle increases further when the kinetic energy is reduced. This effect is ascribed to low-angle scattering of the ions at the surface of the muscovite capillary walls. These results are well described by simulations applying a similar approach as used for ion beam channeling in crystals. PMID- 29213113 TI - Intercalation events visualized in single microcrystals of graphite. AB - The electrochemical intercalation of layered materials, particularly graphite, is fundamental to the operation of rechargeable energy-storage devices such as the lithium-ion battery and the carbon-enhanced lead-acid battery. Intercalation is thought to proceed in discrete stages, where each stage represents a specific structure and stoichiometry of the intercalant relative to the host. However, the three-dimensional structures of the stages between unintercalated and fully intercalated are not known, and the dynamics of the transitions between stages are not understood. Using optical and scanning transmission electron microscopy, we video the intercalation of single microcrystals of graphite in concentrated sulfuric acid. Here we find that intercalation charge transfer proceeds through highly variable current pulses that, although directly associated with structural changes, do not match the expectations of the classical theories. Evidently random nanoscopic defects dominate the dynamics of intercalation. PMID- 29213114 TI - The SWI/SNF subunit Bcl7a contributes to motor coordination and Purkinje cell function. AB - Chromatin remodelers have emerged as prominent regulators of epigenetic processes and potential drivers of various human pathologies. The multi-subunit chromatin remodeling SWI/SNF complex determines gene expression programs and, consequently, contributes to the differentiation, maturation and plasticity of neurons. Here, we investigate the elusive biological function of Bcl7a and Bcl7b, two newly identified subunits of the SWI/SNF complex that are highly expressed throughout the brain. We generated ubiquitous and neuron-specific Bcl7a and Bcl7b single and double knockout mice. We provide evidence that Bcl7b is dispensable for animal survival as well as behavioral plasticity. Conversely, ubiquitous Bcl7a knockout results in perinatal lethality, while genetic deletion of Bcl7a in postmitotic neurons elicits motor abnormalities and affects dendritic branching of Purkinje cells, with no obvious synergistic relationship with Bcl7b. Collectively, our findings reveal novel insights into the cellular processes linked to BCL7 containing SWI/SNF complexes and their unrecognized roles in the brain. PMID- 29213116 TI - Author Correction: Control of in vivo ictogenesis via endogenous synaptic pathways. AB - A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper. PMID- 29213115 TI - Modulation of Immune Signaling and Metabolism Highlights Host and Fungal Transcriptional Responses in Mouse Models of Invasive Pulmonary Aspergillosis. AB - Incidences of invasive pulmonary aspergillosis, an infection caused predominantly by Aspergillus fumigatus, have increased due to the growing number of immunocompromised individuals. While A. fumigatus is reliant upon deficiencies in the host to facilitate invasive disease, the distinct mechanisms that govern the host-pathogen interaction remain enigmatic, particularly in the context of distinct immune modulating therapies. To gain insights into these mechanisms, RNA Seq technology was utilized to sequence RNA derived from lungs of 2 clinically relevant, but immunologically distinct murine models of IPA on days 2 and 3 post inoculation when infection is established and active disease present. Our findings identify notable differences in host gene expression between the chemotherapeutic and steroid models at the interface of immunity and metabolism. RT-qPCR verified model specific and nonspecific expression of 23 immune associated genes. Deep sequencing facilitated identification of highly expressed fungal genes. We utilized sequence similarity and gene expression to categorize the A. fumigatus putative in vivo secretome. RT-qPCR suggests model specific gene expression for nine putative fungal secreted proteins. Our analysis identifies contrasting responses by the host and fungus from day 2 to 3 between the two models. These differences may help tailor the identification, development, and deployment of host- and/or fungal-targeted therapeutics. PMID- 29213117 TI - Stimulus expectation alters decision criterion but not sensory signal in perceptual decision making. AB - Humans are more likely to report perceiving an expected than an unexpected stimulus. Influential theories have proposed that this bias arises from expectation altering the sensory signal. However, the effects of expectation can also be due to decisional criterion shifts independent of any sensory changes. In order to adjudicate between these two possibilities, we compared the behavioral effects of pre-stimulus cues (pre cues; can influence both sensory signal and decision processes) and post-stimulus cues (post cues; can only influence decision processes). Subjects judged the average orientation of a series of Gabor patches. Surprisingly, we found that post cues had a larger effect on response bias (criterion c) than pre cues. Further, pre and post cues did not differ in their effects on stimulus sensitivity (d') or the pattern of temporal or feature processing. Indeed, reverse correlation analyses showed no difference in the temporal or feature-based use of information between pre and post cues. Overall, post cues produced all of the behavioral modulations observed as a result of pre cues. These findings show that pre and post cues affect the decision through the same mechanisms and suggest that stimulus expectation alters the decision criterion but not the sensory signal itself. PMID- 29213118 TI - Vitamin K2 Prevents Lymphoma in Drosophila. AB - Previous studies have established the anticancer effect of vitamin K2 (VK2). However, its effect on lymphoma induced by UBIAD1/heix mutation in Drosophila remains unknown. Therefore, we aimed to develop an in vivo model of lymphoma for the precise characterization of lymphoma phenotypes. We also aimed to improve the understanding of the mechanisms that underlie the preventative effects of VK2 on lymphoma. Our results demonstrated that VK2 prevents lymphoma by acting as an electron carrier and by correcting the function and structure of mitochondria by inhibiting mitochondrial reactive oxygen species production mtROS. Our work identifies mitochondria as a key player in cancer therapy strategies. PMID- 29213119 TI - Electrostatic Map Of Proteasome alpha-Rings Encodes The Design of Allosteric Porphyrin-Based Inhibitors Able To Affect 20S Conformation By Cooperative Binding. AB - The importance of allosteric proteasome inhibition in the treatment of cancer is becoming increasingly evident. Motivated by this urgent therapeutic need, we have recently identified cationic porphyrins as a highly versatile class of molecules able to regulate proteasome activity by interfering with gating mechanisms. In the present study, the mapping of electrostatic contacts bridging the regulatory particles with the alpha-rings of the human 20S proteasome led us to the identification of (meso-tetrakis(4-N-methylphenyl pyridyl)-porphyrin (pTMPyPP4) as a novel non-competitive inhibitor of human 20S proteasome. pTMPyPP4 inhibition mechanism implies a positive cooperative binding to proteasome, which disappears when a permanently open proteasome mutant (alpha-3DeltaN) is used, supporting the hypothesis that the events associated with allosteric proteasome inhibition by pTMPyPP4 interfere with 20S gating and affect its "open-closed" equilibrium. Therefore, we propose that the spatial distribution of the negatively charged residues responsible for the interaction with regulatory particles at the alpha ring surface of human 20S may be exploited as a blueprint for the design of allosteric proteasome regulators. PMID- 29213120 TI - Stationary Rossby waves dominate subduction of anthropogenic carbon in the Southern Ocean. AB - The Southern Ocean has taken up more than 40% of the total anthropogenic carbon (Cant) stored in the oceans since the preindustrial era, mainly in subantarctic mode and intermediate waters (SAMW-AAIW). However, the physical mechanisms responsible for the transfer of Cant into the ocean interior remain poorly understood. Here, we use high resolution (1/10 degrees ) ocean simulations to investigate these mechanisms at the SAMW-AAIW subduction hotspots. Mesoscale Stationary Rossby Waves (SRWs), generated where the Antarctic Circumpolar Current interacts with topography, make the dominant contribution to the Cant transfer in SAMW-AAIW in the Indian and Pacific sectors (66% and 95% respectively). Eddy resolving simulations reproduce the observed Cant sequestration in these layers, while lower spatial resolution models, that do not reproduce SRWs, underestimate the inventory of Cant in these layers by 40% and overestimate the storage in denser layers. A key implication is that climate model simulations, that lack sufficient resolution to represent sequestration by SRWs, are therefore likely to overestimate the residence time of Cant in the ocean, with implications for simulated rates of climate change. PMID- 29213122 TI - Spondyloarthropathies: TNF inhibitors and structural damage in ankylosing spondylitis. PMID- 29213121 TI - The Genetic Spectrum of Familial Hypercholesterolemia (FH) in the Iranian Population. AB - Familial hypercholesterolemia (FH) is an autosomal dominant disorder associated with premature cardiovascular disease (CVD). Mutations in the LDLR, APOB, and PCSK9 genes are known to cause FH. In this study, we analysed the genetic spectrum of the disease in subjects from the Iranian population with a clinical diagnosis of FH. Samples were collected from 16 children and family members from five different cities of Iran. Probands were screened for mutations in the LDLR, APOB, and PCSK9 genes using next generation sequencing, with results confirmed by Sanger sequencing. The likely pathology of identified variants was examined using in silico tools. Of the probands, 14 had a clinical diagnosis of homozygous FH and two of heterozygous FH. No mutations were found in either APOB or PCSK9, but nine probands were homozygous for seven different LDLR mutations, with p.(Trp577Arg) occurring in three and p.Val806Glyfs*11 occurring in two patients. Two mutations were novel: p.(Leu479Gln) and p.(Glu668*). Seven probands with a clinical diagnosis of FH were mutation negative. This pilot study, integrating clinical and molecular-based techniques, begins to elucidate the FH heterogeneity and the mutation spectrum in the Iranian population. Such information is important for future disease management and cost savings. PMID- 29213123 TI - Therapy: Rheumatic symptoms associated with immune checkpoint inhibition. PMID- 29213125 TI - The role of semaphorins in immune responses and autoimmune rheumatic diseases. AB - Semaphorins have a well-characterized role in guiding axon repulsion during development; however, the important contribution of these proteins in immunity is becoming increasingly clear. Immunoregulatory semaphorins, termed 'immune semaphorins', have roles in regulating immune cell activation, differentiation, mobility and migration. These proteins are also intimately associated with the pathogenesis of autoimmune diseases including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), systemic sclerosis (SSc) and anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). This Review discusses the pathogenic functions of immune semaphorins, as well as the potential use of these molecules as diagnostic markers and therapeutic targets for the treatment of autoimmune diseases. PMID- 29213126 TI - Tuning Alginate Bioink Stiffness and Composition for Controlled Growth Factor Delivery and to Spatially Direct MSC Fate within Bioprinted Tissues. AB - Alginate is a commonly used bioink in 3D bioprinting. Matrix stiffness is a key determinant of mesenchymal stem cell (MSC) differentiation, suggesting that modulation of alginate bioink mechanical properties represents a promising strategy to spatially regulate MSC fate within bioprinted tissues. In this study, we define a printability window for alginate of differing molecular weight (MW) by systematically varying the ratio of alginate to ionic crosslinker within the bioink. We demonstrate that the MW of such alginate bioinks, as well as the choice of ionic crosslinker, can be tuned to control the mechanical properties (Young's Modulus, Degradation Rate) of 3D printed constructs. These same factors are also shown to influence growth factor release from the bioinks. We next explored if spatially modulating the stiffness of 3D bioprinted hydrogels could be used to direct MSC fate inside printed tissues. Using the same alginate and crosslinker, but varying the crosslinking ratio, it is possible to bioprint constructs with spatially varying mechanical microenvironments. Moreover, these spatially varying microenvironments were found to have a significant effect on the fate of MSCs within the alginate bioinks, with stiffer regions of the bioprinted construct preferentially supporting osteogenesis over adipogenesis. PMID- 29213124 TI - The RA-MAP Consortium: a working model for academia-industry collaboration. AB - Collaboration can be challenging; nevertheless, the emerging successes of large, multi-partner, multi-national cooperatives and research networks in the biomedical sector have sustained the appetite of academics and industry partners for developing and fostering new research consortia. This model has percolated down to national funding agencies across the globe, leading to funding for projects that aim to realise the true potential of genomic medicine in the 21st century and to reap the rewards of 'big data'. In this Perspectives article, the experiences of the RA-MAP consortium, a group of more than 140 individuals affiliated with 21 academic and industry organizations that are focused on making genomic medicine in rheumatoid arthritis a reality are described. The challenges of multi-partner collaboration in the UK are highlighted and wide-ranging solutions are offered that might benefit large research consortia around the world. PMID- 29213127 TI - Multivalent Fcgamma-receptor engagement by a hexameric Fc-fusion protein triggers Fcgamma-receptor internalisation and modulation of Fcgamma-receptor functions. AB - Engagement of Fcgamma-receptors triggers a range of downstream signalling events resulting in a diverse array of immune functions. As a result, blockade of Fc mediated function is an important strategy for the control of several autoimmune and inflammatory conditions. We have generated a hexameric-Fc fusion protein (hexameric-Fc) and tested the consequences of multi-valent Fcgamma-receptor engagement in in vitro and in vivo systems. In vitro engagement of hexameric-Fc with FcgammaRs showed complex binding interactions that altered with receptor density and triggered the internalisation and degradation of Fcgamma-receptors. This caused a disruption of Fc-binding and phagocytosis. In vivo, in a mouse ITP model we observed a short half-life of hexameric-Fc but were nevertheless able to observe inhibition of platelet phagocytosis several days after hexameric-Fc dosing. In cynomolgus monkeys, we again observed a short half-life, but were able to demonstrate effective FcgammaR blockade. These findings demonstrate the ability of multi-valent Fc-based therapeutics to interfere with FcgammaR function and a potential mechanism through which they could have a sustained effect; the internalisation and degradation of FcgammaRs. PMID- 29213128 TI - Complement 5a Receptor deficiency does not influence adverse cardiac remodeling after pressure-overload in mice. AB - Hypertension is one of the most common risk factors for the development heart failure in the general population. Inflammation plays a central role in this adverse remodeling and eventually to the development of heart failure. Circulating levels of Complement factor 5a (C5a) are increased in hypertensive patients and the C5a receptor is associated with the presence of cardiac fibrosis and inflammation in an experimental hypertension model. To test if C5aR is involved in adverse cardiac remodeling following pressure-overload, we induced transverse aortic constriction (TAC) in wildtype and C5a receptor deficient mice (C5aR-/-). Six weeks after TAC, C5aR-/- animals showed a similar degree of cardiac hypertrophy and decrease in cardiac function as wild type mice (End Systolic Volume; 50.30+/-5.32 ul vs. 55.81+/-8.16 ul). In addition, other features of adverse cardiac remodeling like cardiomyocyte cell size (WGA staining), fibrosis (picrosirius red staining) or collagen degradation (matrix metalloproteinase activity assay) did not differ either. In conclusion, full body C5aR deficiency does not affect adverse cardiac remodeling after pressure overload. However, our finding are in contrast with C5a inhibition studies. Our observations do present the role of C5a-C5aR in adverse cardiac remodeling and heart failure as controversial at the least. PMID- 29213129 TI - Deep tissue analysis of distal aqueous drainage structures and contractile features. AB - Outflow resistance in the aqueous drainage tract distal to trabecular meshwork is potentially an important determinant of intraocular pressure and success of trabecular bypass glaucoma surgeries. It is unclear how distal resistance is modulated. We sought to establish: (a) multimodal 2-photon deep tissue imaging and 3-dimensional analysis of the distal aqueous drainage tract (DT) in transgenic mice in vivo and ex vivo; (b) criteria for distinguishing the DT from blood and lymphatic vessels; and (c) presence of a DT wall organization capable of contractility. DT lumen appeared as scleral collagen second harmonic generation signal voids that could be traced back to Schlemm's canal. DT endothelium was Prox1-positive, CD31-positive and LYVE-1-negative, bearing a different molecular signature from blood and true lymphatic vessels. DT walls showed prominent filamentous actin (F-actin) labeling reflecting cells in a contracted state. F-actin co-localized with mesenchymal smooth muscle epitopes of alpha-smooth muscle actin, caldesmon and calponin, which localized adjacent and external to the endothelium. Our findings support a DT wall organization resembling that of blood vessels. This reflects a capacity to contract and support dynamic alteration of DT caliber and resistance analogous to the role of blood vessel tone in regulating blood flow. PMID- 29213130 TI - Superconductivity in two-dimensional ferromagnetic MnB. AB - Using the universal structure predictor algorithm, we proposed that two dimensional MnB structures with p4mmm (alpha-MnB) and pmma (beta-MnB) symmetries could be synthesized. This finding was verified by calculating the dynamical stability, molecular dynamics, and mechanical properties. The alpha-MnB had an in plane stiffness Y x (=Y y ) around 100 N/m while the beta-Mn displayed an asymmetric mechanical stiffness of Y x = 186 N/m and Y y = 139 N/m. Both systems displayed a ferromagnetic ground state with metallic band structures. The calculated magnetic moments were 2.14 and 2.34 uB per Mn-B pair in the alpha-MnB and beta-MnB. Furthermore, we investigated the potential superconductivity. In the alpha-MnB, we found the unique feature of Kohn anomaly at q~2kF in the diagonal direction of the Brillouin zone. The beta-MnB phonon spectra showed a valley of degenerated localized softening vibration modes at the edge of the Brillouin zone. The ZA and LA phonon branches in this valley induced the largest contribution to electron-phonon coupling strength. The calculated total electron phonon coupling parameters were 1.20 and 0.89 in alpha-MnB and beta-MnB systems. Overall, we predict that the alpha-MnB and beta-MnB systems can display 2D ferromagnetic superconducting states with the estimated critical temperatures of Tc ~ 10-13 K. PMID- 29213131 TI - Phagosomal transport depends strongly on phagosome size. AB - Macrophages internalize pathogens for intracellular degradation. An important part of this process is the phagosomal transport from the cell periphery to the perinuclear region. Biochemical factors are known to influence the fate of phagosomes. Here, we show that the size of phagosomes also has a strong influence on their transport. We found that large phagosomes are transported persistently to the nucleus, whereas small phagosomes show strong bidirectional transport. We show that dynein motors play a larger role in the transport of large phagosomes, whereas actin filament-based motility plays a larger role in the transport of small phagosomes. Furthermore, we investigated the spatial distribution of dyneins and microtubules around phagosomes and hypothesize that dynein and microtubule density differences between the nucleus-facing side of phagosomes and the opposite side could explain part of the observed transport characteristics. Our findings suggest that a size-dependent cellular sorting mechanism might exist that supports macrophages in their immunological roles. PMID- 29213133 TI - Plasma metabolomic profile varies with glucocorticoid dose in patients with congenital adrenal hyperplasia. AB - Glucocorticoid replacement therapy is the mainstay of treatment for congenital adrenal hyperplasia (CAH) but has a narrow therapeutic index and dose optimisation is challenging. Metabolomic profiling was carried out on plasma samples from 117 adults with 21-hydroxylase deficiency receiving their usual glucocorticoid replacement therapy who were part of the CaHASE study. Samples were profiled by using hydrophilic interaction chromatography with high resolution mass spectrometry. The patients were also profiled using nine routine clinical measures. The data were modelled by using both multivariate and univariate statistics by using the clinical metadata to inform the choice of patient groupings. Comparison of 382 metabolites amongst groups receiving different glucocorticoid doses revealed a clear distinction between patients receiving <=5 mg (n = 64) and >5 mg (n = 53) daily prednisolone-equivalent doses. The 24 metabolites which were statistically significantly different between groups included free fatty acids, bile acids, and amino acid metabolites. Using 7 metabolites improved the receiver operating characteristic with area under the curve for predicting glucocorticoid dose of >0.9 with FDR adjusted P values in the range 3.3 E-04 -1.9 E-10. A combination of seven plasma metabolite biomarkers readily discriminates supraphysiological glucocorticoid replacement doses in patients with CAH. PMID- 29213132 TI - Reducing biomass recalcitrance by heterologous expression of a bacterial peroxidase in tobacco (Nicotiana benthamiana). AB - Commercial scale production of biofuels from lignocellulosic feed stocks has been hampered by the resistance of plant cell walls to enzymatic conversion, primarily owing to lignin. This study investigated whether DypB, the lignin-degrading peroxidase from Rodococcus jostii, depolymerizes lignin and reduces recalcitrance in transgenic tobacco (Nicotiana benthamiana). The protein was targeted to the cytosol or the ER using ER-targeting and retention signal peptides. For each construct, five independent transgenic lines were characterized phenotypically and genotypically. Our findings reveal that expression of DypB in the cytosol and ER does not affect plant development. ER-targeting increased protein accumulation, and extracts from transgenic leaves showed higher activity on classic peroxidase substrates than the control. Intriguingly, in situ DypB activation and subsequent saccharification released nearly 200% more fermentable sugars from transgenic lines than controls, which were not explained by variation in initial structural and non-structural carbohydrates and lignin content. Pyrolysis-GC-MS analysis showed more reduction in the level of lignin associated pyrolysates in the transgenic lines than the control primarily when the enzyme is activated prior to pyrolysis, consistent with increased lignin degradation and improved saccharification. The findings reveal for the first time that accumulation and in situ activation of a peroxidase improves biomass digestibility. PMID- 29213135 TI - Neuropsychiatric disorders: Stressful depression. PMID- 29213137 TI - Decision making: Valuable choices. PMID- 29213136 TI - Neurodevelopmental disorders: Misreading social smells. PMID- 29213134 TI - Anticipated moments: temporal structure in attention. AB - We have come to recognize the brain as a predictive organ, anticipating attributes of the incoming sensory stimulation to guide perception and action in the service of adaptive behaviour. In the quest to understand the neural bases of the modulatory prospective signals that prioritize and select relevant events during perception, one fundamental dimension has until recently been largely overlooked: time. In this Review, we introduce the burgeoning field of temporal attention and illustrate how the brain makes use of various forms of temporal regularities in the environment to guide adaptive behaviour and influence neural processing. PMID- 29213138 TI - Sleep: I feel the need, the need for sleep. PMID- 29213139 TI - Neurodegenerative disease: Remodelling neurodegeneration. PMID- 29213141 TI - [Evaluation of the impact of sagittal spinal curvatures on musculoskeletal disorders in young people]. AB - BACKGROUND: In Poland, about 85% of the population report low back pain (LBP) symptoms overall. Moreover, 70-80% of people aged below 20 have already experienced back pain. The primary cause of LBP is the loss of spinal lordosis, which initiates changes in geometry of the spine and has impact on limb arrangement. The aim of the study was to attempt to verify the relationship between the 2 main curvatures of the spine and its relation to symptoms in different parts of the musculoskeletal system, in a group of adults. It was assumed that hyperlordosis of the lumbar spine and misbalance of the thoraco lumbar junction are risk factors for LBP. MATERIAL AND METHODS: The study coverd 231 first-year students, (aged 19-21) of the University of Economics in Katowice. There were 103 men aged 19.5+/-0.8 years and 128 women aged 19.6+/-0.8 years. The students completed the Nordic Musculoskeletal Questionnaire (NMQ): 7 days (NMQ7) and 6 months (NMQ6). A Rippstein's plurimeter, was used to measure the angles of thoracic kyphosis (KTH) and lumbar lordosis (KLL). Cut of points was set at 30+/ 5. RESULTS: The results indicate strong and very strong correlation (r = 0.6 and r = 0.8, p < 0.05) between the concave of the back and LBP, which may suggest the relationship between these symptoms and the increased lordosis. CONCLUSIONS: Postural defects in the sagittal plane may predict the occurrence of pain. The results of the study indicate a higher frequency of pain in people with a higher angle of lumbar lordosis. Med Pr 2018;69(1):29-36. PMID- 29213142 TI - The attitudes of IVF patients treated in the Czech Republic towards informing children born after gamete donation. AB - BACKGROUND: In recent decades gamete donation has received growing attention. Data from the Czech National Registry of Assisted Reproduction show that the number of cycles using donated oocytes has been increasing every year. According to Czech law, gamete donation is anonymous. Since 2011, some members of the Czech parliament have repeatedly made requests to revoke the anonymity but anonymity is one of the preconditions for such donation in this country. The aim of this study was to find out how the gamete recipients feel towards informing their child about the circumstances of their conception and their access to the identity of the donor. METHODS: A total of 195 recipients (122 women undergoing treatment - 43 Czechs, 79 foreigners (Western Europe and the USA) and 73 male partners - 28 Czechs, 45 foreigners) participated in this survey. The data were obtained by anonymous questionnaire. RESULTS: A significant difference between the attitude of the future Czech and foreign parents regarding disclosing the mode of conception was found (P = 0.003). The vast majority of Czechs were against disclosure. The foreign recipients were somewhat more divided. Regarding the donor's identity, there was no difference in atttitude between the groups. Recipients rarely consider that the knowledge of the donor's identity will be important for their child. The recipients overall, were convinced that the psychological aspects of parenting are far more important to the child than genetics, and see no reasons for disclosing the donor's identity. CONCLUSION: While the the foreign recipients were less adamant about non-disclosure, the overall finding was in accord with the current Czech law on anonymity and not in agreement with the proposed abolition. The recipient's attitudes towards disclosing were also culturally determined. The fact that some countries have revised their rules towards open idendity is not a rationale for such change in the Czech Republic. PMID- 29213140 TI - Effects of stress on the development and progression of cardiovascular disease. AB - Cardiovascular disease remains the leading cause of disease burden globally, which underlies the continuing need to identify new complementary targets for prevention. Over the past 5-10 years, the pooling of multiple data sets into 'mega-studies' has accelerated progress in research on stress as a risk and prognostic factor for cardiovascular disease. Severe stressful experiences in childhood, such as physical abuse and household substance abuse, can damage health and increase the risk of multiple chronic conditions in adulthood. Compared with childhood stress and adulthood classic risk factors, such as smoking, high blood pressure, and high serum cholesterol levels, the harmful effects of stress in adulthood are generally less marked. However, adulthood stress has an important role as a disease trigger in individuals who already have a high atherosclerotic plaque burden, and as a determinant of prognosis and outcome in those with pre-existing cardiovascular or cerebrovascular disease. In real-life settings, mechanistic studies have corroborated earlier laboratory based observations on stress-related pathophysiological changes that underlie triggering, such as lowered arrhythmic threshold and increased sympathetic activation with related increases in blood pressure, as well as pro-inflammatory and procoagulant responses. In some clinical guidelines, stress is already acknowledged as a target for prevention for people at high overall risk of cardiovascular disease or with established cardiovascular disease. However, few scalable, evidence-based interventions are currently available. PMID- 29213144 TI - Magnetic particle tracking for nonspherical particles in a cylindrical fluidized bed. AB - In granular flow operations, often particles are nonspherical. This has inspired a vast amount of research in understanding the behavior of these particles. Various models are being developed to study the hydrodynamics involving nonspherical particles. Experiments however are often limited to obtain data on the translational motion only. This paper focusses on the unique capability of Magnetic Particle Tracking to track the orientation of a marker in a full 3-D cylindrical fluidized bed. Stainless steel particles with the same volume and different aspect ratios are fluidized at a range of superficial gas velocities. Spherical and rod-like particles show distinctly different fluidization behavior. Also, the distribution of angles for rod-like particles changes with position in the fluidized bed as well as with the superficial velocity. Magnetic Particle Tracking shows its unique capability to study both spatial distribution and orientation of the particles allowing more in-depth validation of Discrete Particle Models. PMID- 29213143 TI - Lactate as an early predictor of psychomotor development in neonates with asphyxia receiving therapeutic hypothermia. AB - AIMS: This prospective study aimed to evaluate the relationship between persistently elevated lactate values in the arterial blood of newborns with grade II and III hypoxic ischemic encephalopathy (treated with therapeutic hypothermia) and psychomotor development at 24 months. METHODS: 51 neonates of gestational age from 36 to 41 weeks receiving therapeutic hypothermia for moderate to severe hypoxic ischaemic encephalopathy had arterial blood lactate levels regularly analysed. At 24 months the infants' psychomotor development was evaluated and they were divided into two groups - those where the outcome was favourable (i.e. normal psychomotor development) and adverse (severe motor or sensory impairment or death). The lactate dynamics over time were retrospectively evaluated from the data collected, with the normal upper limit set at 4 mmol/L. RESULTS: Of the 51 affected neonates, 7 died over the course of the study. 34 of the remaining 44 infants demonstrated normal psychomotor findings at 2 years old, with adverse findings in 10 cases. Although both groups experienced significant reductions in lactate over time, there were statistically significant differences between them regarding currently measured lactate levels. CONCLUSION: Absolute lactate values and their development over time can be a used as an auxiliary factor in making early estimates of the long-term outcome for newborns with neonatal asphyxia being treated with therapeutic hypothermia. PMID- 29213145 TI - A New Derivatization Reagent for HPLC-MS Analysis of Biological Organic Acids. AB - Small molecules containing carboxylic acid functional groups are ubiquitous throughout biology, playing vital roles in biological chemistry ranging from energy metabolism to cellular signaling. This paper describes a new derivatization reagent, 4-bromo-N-methylbenzylamine, which was selected for its potential to derivatize mono-, di- and tri-carboxylic acids, such as the intermediates of the tricarboxylic acid (TCA) cycle. This derivatization procedure facilitated the use of positive electrospray ionization (ESI) tandem mass spectrometry (MS/MS) detection of derivatized species allowing for clear identification thanks to the easily recognizable isotope pattern of the incorporated bromine. A liquid chromatography (LC)-MS/MS method was developed which provided limits of detection between 0.2 and 44 MUg L-1 in under 6 min, depending on the analyte and total analysis time. This method was successfully applied in both in vitro and in vivo models. PMID- 29213147 TI - Alexa, Can I Trust You? AB - Security diagnostics expose vulnerabilities and privacy threats that exist in commercial Intelligent Virtual Assistants (IVA) - diagnostics offer the possibility of securer IVA ecosystems. PMID- 29213146 TI - The Physicochemical Characteristics of Prosthetic Materials and Their Influence on Their Clinical Properties. AB - The use of elastic materials favours degradation of their surface. The period of their clinical usefulness is then shortened, and their further utilisation in the oral cavity may have the reverse effect. The surface properties of such material as well as the influence of the humidity on their surface are very important as they determine the prosthetic materials behavior in the mouth. The surface of such material should be resistant to water. Inverse gas chromatography is an accurate, sensitive technique for studying surface properties. Thanks to using a unique equipment specially designed for IGC technique, Surface Energy Analyzer, it was possible to characterize the surface at 0 and 80% of humidity. Our results show that increased humidity does not affect surface properties of studied prosthetic materials. Their ability to dispersive and specific interactions change in very limited degree. IGC experiment was also applied for the estimation of Hansen solubility parameters that indicate ability of a material to dispersive, polar, and hydrogen-bonding interactions. Relation between the surface characteristics and practical use of soft lining materials with implications for their clinical usefulness is also discussed. PMID- 29213148 TI - Kinetics of vacancy annealing upon time-linear heating applied to dilatometry. AB - A kinetic model for the diffusion-controlled annealing of excess vacancies under the experimentally relevant, non-isothermal condition of time-linear heating is presented and applied to dilatometry. The evolution of the vacancy concentration with time is quantitatively analyzed, considering as ideal sinks either dislocations or grain boundaries of spherical- or cylindrical-shaped crystallites. The validity of the model is tested using dilatometry data that were obtained for ultrafine-grained Ni prepared by high-pressure torsion. The entire two-stage annealing curve of the dilatometric length change can be analyzed by combining the present kinetic model of vacancy annealing at grain boundaries with established non-isothermal kinetics of recrystallization. PMID- 29213149 TI - Effect of Rubber Polarity on Cluster Formation in Rubbers Cross-Linked with Diels Alder Chemistry. AB - Diels-Alder chemistry has been used for the thermoreversible cross-linking of furan-functionalized ethylene/propylene (EPM) and ethylene/vinyl acetate (EVM) rubbers. Both furan-functionalized elastomers were successfully cross-linked with bismaleimide to yield products with a similar cross-link density. NMR relaxometry and SAXS measurements both show that the apolar EPM-g-furan precursor contains phase-separated polar clusters and that cross-linking with polar bismaleimide occurs in these clusters. The heterogeneously cross-linked network of EPM-g-furan contrasts with the homogeneous network in the polar EVM-g-furan. The heterogeneous character of the cross-links in EPM-g-furan results in a relatively high Young's modulus, whereas the more uniform cross-linking in EVM-g-furan results in a higher tensile strength and elongation at break. PMID- 29213150 TI - Strategies To Increase the Thermal Stability of Truly Biomimetic Hydrogels: Combining Hydrophobicity and Directed Hydrogen Bonding. AB - Enhancing the thermal stability of proteins is an important task for protein engineering. There are several ways to increase the thermal stability of proteins in biology, such as greater hydrophobic interactions, increased helical content, decreased occurrence of thermolabile residues, or stable hydrogen bonds. Here, we describe a well-defined polymer based on beta-helical polyisocyanotripeptides (TriPIC) that uses biological approaches, including hydrogen bonding and hydrophobic interactions for its exceptional thermal stability in aqueous solutions. The multiple hydrogen bonding arrays along the polymer backbone shield the hydrophobic core from water. Variable temperature CD and FTIR studies indicate that, on heating, a better packed polymer conformation further stiffens the backbone. Driven by hydrophobic interactions, TriPIC solutions give fully reversible hydrogels that can withstand high temperatures (80 degrees C) for extended times. Cryo-scanning electron microscopy (cryo-SEM), small-angle X-ray scattering (SAXS), and thorough rheological analysis show that the hydrogel has a bundled architecture, which gives rise to strain stiffening effects on deformation of the gel, analogous to many biological hydrogels. PMID- 29213151 TI - Learning based particle filtering object tracking for visible-light systems. AB - We propose a novel object tracking framework based on online learning scheme that can work robustly in challenging scenarios. Firstly, a learning-based particle filter is proposed with color and edge-based features. We train a. support vector machine (SVM) classifier with object and background information and map the outputs into probabilities, then the weight of particles in a particle filter can be calculated by the probabilistic outputs to estimate the state of the object. Secondly, the tracking loop starts with Lucas-Kanade (LK) affine template matching and follows by learning-based particle filter tracking. Lucas-Kanade method estimates errors and updates object template in the positive samples dataset, and learning-based particle filter tracker will start if the LK tracker loses the object. Finally, SVM classifier evaluates every tracked appearance to update the training set or restart the tracking loop if necessary. Experimental results show that our method is robust to challenging light, scale and pose changing, and test on eButton image sequence also achieves satisfactory tracking performance. PMID- 29213152 TI - Serological and molecular analysis of parvovirus B19 infection in Mayan women with systemic lupus erythematosus in Mexico. AB - Background: Systemic lupus erythematosus (SLE) is a systemic autoimmune disease that mainly affects women, characterized by the production of autoantibodies. Its causal agent is unknown, but the combination of environmental, hormonal and genetic factors may favor the development of the disease. Parvovirus B19 has been associated with the development of SLE, since it induces the production of anti single stranded DNA antibodies. It is unknown whether PV-B19 infection is an environmental factor that trigger or reactivate SLE in the Mexican Mayan population. Aim: A preliminary serological and molecular study of PV-B19 infection in Mayan women with established SLE was done. Methods: IgG and IgM anti PV-B19 were evaluated in 66 SLE patients and 66 control subjects, all women of Mayan origin. Viral DNA and viral load were analyzed by qPCR. Results: Insignificant levels of IgM were observed in 14.3% (4/28) of the patients and 11.4% (4/35) of control subjects. IgG was detected in 82.1% (23/28) of the patients and 82.9% (29/35) of control subjects, but were significantly higher in patients. Viral DNA was found in 86.0% (57/66) of the patients and 81.0% (54/66) of control subjects. Viral load, quantified in 28/66 patients and 31/66 controls which were positive for IgM and IgG, was significantly higher in controls. Conclusion: The high prevalence of PV-B19 in Yucatan, and the presence of IgM, IgG, and viral load in Mayan women with established SLE suggest that PV-B19 infection could be an environmental factor to trigger or reactivate SLE. PMID- 29213153 TI - Reference values of amino acids, acylcarnitines and succinylacetone by tandem mass spectrometry for use in newborn screening in southwest Colombia. AB - Introduction: Inborn errors of metabolism (IEM) represent an important public health problem due to current diagnosis and treatment limitations, poor life quality of affected patients, and consequent untimely child death. In contrast to classical methods, tandem mass spectrometry (MS/MS) has allowed simultaneous evaluation of multiple metabolites associated with IEM offering higher sensitivity, low false positive rates and high throughput. Aims: Determine concentration levels for amino acids and acylcarnitines in blood of newborns from Colombia, to establish reference values for further use in diagnosis of IEM. Methods: Implementation of a method to determine amino acids, acylcarnitines and succinylacetone in newborn dried blood spots using MS/MS, and its application in a cross-sectional study conducted in 891 healthy neonates from Cali and Quibdo cities is described. Results: fifty-seven analytes that allow the diagnosis of more than 40 different pathologies were tested. The method showed to be linear, precise and accurate. Healthy neonates 1-18 days of age were included, 523 from Cali and 368 from Quibdo; 52% male and 48% female. Age-related differences on the concentration levels of amino acids and acylcarnitines were observed whereas no significant differences by gender were found. Conclusion: The study has contributed to reveal the usual concentration levels of amino acids, acylcarnitines and succinylacetone that could be used as reference for the establishment of a newborn metabolic screening program in Colombia. PMID- 29213154 TI - Noise level in a neonatal intensive care unit in Santa Marta - Colombia. AB - Introduction: The environment of neonatal intensive care units is influenced by numerous sources of noise emission, which contribute to raise the noise levels, and may cause hearing impairment and other physiological and psychological changes on the newborn, as well as problems with care staff. Objective: To evaluate the level and sources of noise in the neonatal intensive care unit. Methods: Sampled for 20 consecutive days every 60 seconds in A-weighting curves and fast mode with a Type I sound level meter. Recorded the average, maximum and minimum, and the 10th, 50th and 90th percentiles. The values are integrated into hours and work shift, and studied by analysis of variance. The sources were characterized in thirds of octaves. Results: The average level was 64.00 +/-3.62 dB(A), with maximum of 76.04 +/-5.73 dB(A), minimum of 54.84 +/-2.61dB(A), and background noise of 57.95 +/-2.83 dB(A). We found four sources with levels between 16.8-63.3 dB(A). Statistical analysis showed significant differences between the hours and work shift, with higher values in the early hours of the day. Conclusion: The values presented exceed the standards suggested by several organizations. The sources identified and measured recorded high values in low frequencies. PMID- 29213155 TI - Frailty syndrome and socioeconomic and health characteristics among older adults. AB - Objective: To investigate the association of frailty syndrome with socioeconomic and health variables among older adults. Methods: This is a cross-sectional, observational and analytical household research conducted with a sample of 1,609 urban elderly. We used: semi-structured questionnaire, scales (Katz, Lawton and shortened version of Geriatric Depression Scale) and Fragility Phenotype proposed by Fried. Descriptive analysis was performed along with a bivariate and multinomial logistic regression model (p <0.05). Results: The prevalence of pre frailty condition was 52.0% and the fragility corresponded to 13.6%. Pre-frailty and frailty associated factors were, respectively: age range between 70-79 years and >=80 years; one to four morbidities and five or more morbidities categories; functional disability for basic and instrumental activities of daily life and depression indicative; whilst lack of a companion or income and female gender were only associated to pre-frailty. Conclusion: The conditions of pre-frailty and frailty levels were elevated with negative effects on the health of the elderly. PMID- 29213156 TI - Gastroesophageal reflux disease in patients with long standing type 1 diabetes mellitus: utility of two self-report questionnaires in a multifactorial disease. AB - Background: Gastroesophageal pathologies are common and multifactorial in patients with type 1 diabetes (T1DM). The evaluation with endoscopy and 24 h pH esophageal monitoring is expensive and not always available in all medical centers, especially in developing countries so more cost-effective algorithms for diagnosis are required. Clinical questionnaires are easy to apply but its utility for gastroesophageal reflux disease screening in patients with long standing T1DM must be analyzed. Objective: To evaluate the utility of the FSSG and Carlsson Dent (CDQ) questionnaires to detect the frequency of gastroesophageal reflux disease in patients with T1DM. Methods: Analytic cross-sectional study, included 54 randomly selected patients from the T1DM clinic in our hospital. Before their routine evaluation, were asked to answer FSSG and CDQ questionnaires, classifying them as positive with a score >8 or >4, respectively. we associated and compared the clinical and biochemical characteristics between patients with or without gastroesophageal reflux detected through questionnaires. Results: Median age was 29 years (22-35), 67% were female (median of 16 years from diagnosis). In 39% of the patients FSSG was positive, CDQ was positive in 28%. A total of 71% of patients were taking medications to treat non-specific gastric symptoms. The concordance between questionnaires was 65% (p: <0.001). Those patients with tobacco consumption as well as those with poor glycemic control were more likely to score positive in either questionnaire. Conclusions: Patients T1DM had a high prevalence of gastroesophageal reflux disease. In those patients FSSG questionnaire detected a higher number of patients in comparison with CDQ. PMID- 29213157 TI - Immunotherapy and gene therapy as novel treatments for cancer. AB - The immune system interacts closely with tumors during the disease development and progression to metastasis. The complex communication between the immune system and the tumor cells can prevent or promote tumor growth. New therapeutic approaches harnessing protective immunological mechanisms have recently shown very promising results. This is performed by blocking inhibitory signals or by activating immunological effector cells directly. Immune checkpoint blockade with monoclonal antibodies directed against the inhibitory immune receptors CTLA-4 and PD-1 has emerged as a successful treatment approach for patients with advanced melanoma. Ipilimumab is an anti-CTLA-4 antibody which demonstrated good results when administered to patients with melanoma. Gene therapy has also shown promising results in clinical trials. Particularly, Herpes simplex virus (HSV) mediated delivery of the HSV thymidine kinase (TK) gene to tumor cells in combination with ganciclovir (GCV) may provide an effective suicide gene therapy for destruction of glioblastomas, prostate tumors and other neoplasias by recruiting tumor-infiltrating lymphocytes into the tumor. The development of new treatment strategies or combination of available innovative therapies to improve cell cytotoxic T lymphocytes trafficking into the tumor mass and the production of inhibitory molecules blocking tumor tissue immune-tolerance are crucial to improve the efficacy of cancer therapy. PMID- 29213158 TI - Living Alone among Older Persons in Uganda: Prevalence and Associated Factors. AB - This study aimed at investigating the prevalence and factors associated with living alone among older persons in Uganda. A secondary analysis of the 2010 Uganda National Household Survey (UNHS) data was conducted. A complementary log log regression model was used to estimate the association between living alone and demographic, socio-economic and health factors. Nearly one out of ten (9%) older persons lived alone in Uganda. Living alone was associated with being divorced / separated (OR 18.5, 95% CI: 10.3-33.3), being widowed (OR 8.8, 95% CI: 5.1-15.2), advanced age (OR 2.1, 95% CI: 1.4-3.2), residence in western region (OR 0.6, 95% CI: 0.3-0.93), poor wealth status (OR 0.3, 95% CI: 0.2-06), receiving remittances (OR 1.6, 95% CI: 1.1-2.3) and being disabled (OR 1.6, 95% CI: 1.2-2.1). Living alone among older persons did not vary by gender. PMID- 29213159 TI - Nexus Between Demographic Change and Elderly Care Need in the Gulf Cooperation Council (GCC) Countries: Some Policy Implications. AB - Population ageing is a phenomenon affecting the whole world. The countries that make up the Gulf Cooperation Council (GCC) are no exception but transitions in population ageing are still in the early stages of the process. With current demographic dividends experienced by the GCC and the rest of the Middle-East, the pace of population ageing will be faster than that experienced by many European countries. The purpose of this paper is to explore the population ageing experience of different GCC countries while situating this within a context of social policies that still at the very early stages of acknowledging such change. We utilise data from sources such as the United Nations and the World Bank, complemented by policy analysis of current age-related social security measures in the GCC. Given the importance of the family aged care system in the region, we consider the implications of changes in family structures, living conditions, and care needs for the elderly. The findings confirm the declining trend in fertility combined with increased life expectancy in all the six GCC countries. However, they highlight that social policy measures focused on the older generations and their care needs are still relatively at the early stages of each country's policy agenda. The implications of such changes are serious in term of both the demand for and supply of care. Policy-makers need to adapt cohesive social policy strategies that strengthen the complementing relationships between the state, family and wider community as stakeholders in the provision of aged care. PMID- 29213160 TI - Isotope effects in mechanistic studies of l-tyrosine halogen derivatives hydroxylation catalyzed by tyrosinase. AB - The kinetic (KIE) and solvent (SIE) isotope effect methods were used to investigate the mechanism of enzymatic hydroxylation of halogenated derivatives of l-tyrosine to l-DOPA catalyzed by the enzyme tyrosinase (EC 1.14.18.1). The values of deuterium KIE and SIE were obtained using the non-competitive method with spectrophotometric measurements. The Lineweaver-Burk plots were used for determination of the inhibition mode of 3'-iodo-l-tyrosine. Based upon kinetic effects values the mechanism of action of enzyme tyrosinase was proposed. PMID- 29213162 TI - About the Cover. PMID- 29213161 TI - Comparison of PIXE and XRF in the analysis of silver denarii of the early Piast. AB - The collection of denarii from the time of development of a Polish medieval state was studied using the proton induced X-ray emission spectroscopy. The major elements detected for these denarii are Ag and Cu, while minor elements such as Pb, Fe, Au, Bi, and Zn may also be present. The aim of the study was to cross compare the results with a previous micro-X-ray fluorescence data and to perform a better quantification of the denarii elemental composition, especially for trace elements, providing suggestions of the origin of alloy compounds. PMID- 29213163 TI - Four decades of the Sudanese Journal of Paediatrics and milstones. PMID- 29213164 TI - Towards safe and effective transition from adolescence to adult care. AB - Transitional care is an important step in patients' care. This article aims to give some guidance towards a safe and smooth transition from adolescence to adult care. It highlights the definition, elements, steps, effects and benefits of an effective transition system. PMID- 29213165 TI - Prevalence of Helicobacter Pylori among Sudanese children admitted to a specialized children hospital. AB - The infection by Helicobacter Pylori (HP), a gram-negative bacillus, is more prevalent in the developing countries, and more often among younger people reaching up to 10% of the population in comparison to only 0.5% in more developed world. Generally HP is asymptomatic in children. This study aimed to determining the prevalence of Hp among Sudanese children and to recognize associated epidemiological features. It was a prospective cross sectional study at Gaafar Ibn Aouf children hospital (GCH) in the period between December 2010 and May 2011. GCH is the largest specialized referral hospital in Khartoum and in the Sudan. Those who were diagnosed before as Hp positive were excluded. Full history, Physical examination was performed. A blood sample was taken from every patient and serum was kept at -20 degrees C to be tested for Hp IgG antibodies through ELISA kit (Monobind; Inc., California, USA) as directed by the Manufacturer, and 20 U/mL for antibodies was considered significant and positive. Using SPSS Version 21, categorical variables were compared with Chi-square test where P < 0.05 was taken as statistically significant. This current study included 128/312 (40.1%) children admitted to the hospital who were +ve for HP (56.3% = male). The prevalence of HP is 56.3% among Sudanese children Prevalence of HP increased with age and was directly related to mother and father level of education, socioeconomic status and positive family history. PMID- 29213167 TI - Pain assessment and management: The knowledge, attitude and practice of Sudanese Paediatric Residents. AB - This was a prospective, descriptive, cross sectional study that was conducted in 9 major paediatric hospitals accredited for training of residents in Sudan to assess the knowledge, attitude and practice of residents in paediatrics on issues related to pain assessment and pain management in children A semi-structured and validated questionnaire was distributed to 174 residents working in these hospitals. One hundred and twenty residents, out of 174, responded by filling the questionnaire, with a response rate of 68%. Seventy percent of them said they had never received any kind of training, education, or learning sessions in paediatric pain assessment and management during their training, 60% were not aware of any pain assessment scale/tool. One third of residents thought opioids are contraindicated for chronic pain relief in children, as dependence and/or addiction would occur after short use. While attitude towards importance of pain control in children was generally good among surveyed residents (75%), two thirds of them had never used topical anaesthetic cream/lotion, while 40% of them had never used non-nutritive sucking and/or sucrose in neonates. In addition, more than a third had rarely used lubricant gel for nasogastric tube insertion. In conclusion, Sudanese paediatric residents in training had poor knowledge and training in paediatric pain assessment and treatment, however, the majority of them recognized the importance of pain control in children. PMID- 29213166 TI - Precocious puberty: An experience from a major teaching hospital in Central Saudi Arabia. AB - Precocious puberty is a developmental process that gives rise to secondary sexual characteristics before the age of 8 years in girls and 9 years in boys. In general, precocious puberty can be classified as central or peripheral. This is a retrospective hospital-based study was conducted at King Khalid University Hospital (KKUH), Riyadh, Saudi Arabia, during the period January 1990 and December 2016. Data were abstracted from the medical records of patients diagnosed with precocious puberty, with special emphasis on age, sex, clinical characteristics, and relevant hormonal assay. A total of 62 patients were diagnosed with Precocious Puberty (PP); 43 had Central Precocious Puberty (CPP) while 19 had peripheral precocious puberty (PPP). The majority of girls with CPP (68%) had idiopathic PP, while pathological causes were found in (50%) of boys. The commonest cause of PPP was congenital adrenal hyperplasia (42%) and chronic hypothyroidism (26%). In conclusion, this study showed that precocious Puberty is a common endocrine problem in our center. The etiology of CPP was idiopathic in the majority of girls while it was caused by CNS pathology in most of the boys in this cohort. Peripheral precocious puberty is not that rare and mainly caused by congenital adrenal hyperplasia or hypothyroidism. PMID- 29213168 TI - Pituitary imaging in 129 children with growth hormone deficiency: A spectrum of findings. AB - Growth Hormone (GH) deficiency is the most common pituitary hormone deficiency in children. Magnetic Resonance Imaging (MRI) of the brain detects structural pituitary anomalies associated with GH deficiency. This retrospective hospital based study was conducted at King Khalid University hospital (KKUH), Riyadh, Saudi Arabia, during the period (January 1995-June 2016). The available radiological, clinical and laboratory records of all children with confirmed GH deficiency by dynamic testing who had MRI brain were reviewed. A total of 129 patients were diagnosed with GH deficiency and had MRI brain performed. Isolated GH deficiency (IGHD) was diagnosed in 118 (91.5%) and multiple pituitary hormone deficiency (MPHD) in 11 (8.5%) patients. Most children with IGHD had normal MRI findings (n = 86/118), while 14/118 had hypoplasia of the anterior pituitary and 11/118 had aplasia of the anterior pituitary. Most of the children with MPHD (6/11) showed anterior pituitary hypoplasia or (3/11) aplasia and only 2/11 children with MPHD had normal MRI. In conclusion, our study showed a spectrum of MRI changes in children with GH deficiency. PMID- 29213169 TI - Clinical profile of neural tube defects in Sudanese children: Is malaria a risk factor? AB - Neural tube defects (NTDs) are one of the most common structural malformations in human kind. It is a public health problem with great impact on the child, parents and the community at large. The aim is to study the epidemiological profile and patterns of NTDs in under five-year of age Sudanese children who attended the neurosurgical clinic at the National Centre of Neurological Sciences (NCNS), Khartoum during the period from March 2014 to December 2014. This was a prospective cross-sectional study conducted at the neurosurgery clinic in NCNS, Khartoum. A pre-set structured questionnaire was the research tool. All children under five-year of age with NTDs, who attended the Neurosurgery clinic in NCNS during the period of the study, were recruited. The data were analyzed using statistical package of social sciences (SPSS). The sample size was 71. The majority of cases were less than 6 months of age (57.7%). The female to male ratio was (1.2:1). Spinal defects were noticed to be more common than cranial defects. The spina bifida was the commonest anomaly accounting for (73.2%), whereas, encephaloceles accounted for (26.8%). The lumbo-sacral region was the commonest site (34.6%). Hydrocephalus was the most commonly associated anomaly. NTDs were common in the young mother age group and consanguine parents. Although folic acid was taken by (69.0%) of the mothers, it was not on regular bases in the majority. Infection, particularly, malaria, during pregnancy was reported in 25.4%. Anti-malaria Sulfadoxine/Pyremethamine (Fansidar(r)) used by most in our cohort is an anti-folate drug and could be implicated in the etiology. PMID- 29213170 TI - Prune belly syndrome: A report of 15 cases from Sudan. AB - Prune belly syndrome is a rare congenital malformation of unknown aetiology, composed of a triad of deficient abdominal wall muscle, cryptorchidism and urinary tract anomalies. The majority of patients have associated pulmonary, skeletal, cardiac, and gastrointestinal defects. This was a prospective, case finding study that was conducted in the main paediatric hospitals in Khartoum state, during the period December 2015 to September 2016. A total of 15 patients with prune belly syndrome were collected. Patients' characteristics were noted including socio-demographic data, laboratory and radiological investigations and any medical or surgical intervention. There were 12 males and 3 females with a male to female ratio of 4:1. Most of the patients (80%) had hydronephrosis and hydroureter. The study revealed that 60% of the patients had associated anomalies, there were 4 (26.6%) with cardiac defects, 3 (20%) with orthopaedic defects one patient with small bowel volvulus and one patient with cleft lip. 6 (40%) patients received medical intervention and 8 (53%) patients underwent surgical procedures. At the last follow up visit, 2 (13.4%) patients had normal renal function tests, 8 (53.3%) ended with chronic kidney disease, and 5 died with a mortality rate of 33.3%. Prune belly syndrome is a rare entity with wide variability in severity and clinical manifestations. The mortality in prune belly syndrome remains high despite medical and surgical interventions. PMID- 29213171 TI - Congenital sideroblastic anemia of a Saudi child. AB - Sideroblastic anemia is a heterogeneous group of disorders characterized by the presence of ring sideroblasts in the bone marrow, and has congenital and acquired forms. Congenital sideroblastic anemia is a rare condition, which is mostly X linked, caused by mutations of delta-aminolevulinic acid synthase 2. We describe one case of congenital sideroblastic anemia, indicating an autosomal recessive inheritance, with its clinico-hematological profile. It is important to recognize this entity early in life as a significant percentage of cases respond to pyridoxine thus avoiding any long-term complications. PMID- 29213172 TI - Spontaneous splenic rupture in typhomalaria: A case report with review of literature. AB - Plasmodium vivax, which was previously considered 'benign', has come out with unusual severe symptoms. We, here present an unusual case of Plasmodium vivax malaria presenting with spontaneous splenic rupture with hemoperitoneum, renal and pulmonary dysfunction. Following conservative management, there was an uneventful recovery, and the patient was discharged in a good general condition. PMID- 29213173 TI - Spine pathology in a girl with upper limb pain: A co-incidence or a causal relationship? AB - A 10-year-old girl was admitted to the Emergency Department due to a history of intermittent pain located in the left radiocarpal joint for a month, as well as in the interphalangeal joints of the left hand without any additional symptoms. Clinical examination revealed mild sensory deficits and diminished muscle strength of the left upper limb without any other pathologic findings. A Magnetic Resonance Imaging scan of the brain and spinal cord was performed, which confirmed a diagnosis of thoracic syringomyelia. We briefly discuss specific traits and diagnostic challenges of this entity in childhood. Our case highlights the difficulty in efficiently correlating a pathologic imaging finding with clinical neurologic symptoms and signs, as well as the value of a thorough clinical neurological evaluation. Furthermore, a clear discrimination of a causal relationship against an incidental co-existence of a radiological finding and a specific symptom is not always possible. PMID- 29213174 TI - X-linked hypophosphatemic rickets (PHEX mutation): A case report and literature review. AB - Hypophosphatemic rickets is a rare form of rickets that affect children. The diagnosis requires high index of suspicion. We report a case of Hypophosphatemic rickets in 18-month-old Saudi boy presented with delayed walking and lower limb deformity. The diagnosis was confirmed by bone profile, radiological study and genetic testing, which reveled PHEX mutation. The patient was successfully treated by phosphate supplement. PMID- 29213175 TI - Cutaneous larva migrans in a child. PMID- 29213176 TI - Adapting Agricultural Water Use to Climate Change in a Post-Soviet Context: Challenges and Opportunities in Southeast Kazakhstan. AB - The convergence of climate change and post-Soviet socio-economic and institutional transformations has been underexplored so far, as have the consequences of such convergence on crop agriculture in Central Asia. This paper provides a place-based analysis of constraints and opportunities for adaptation to climate change, with a specific focus on water use, in two districts in southeast Kazakhstan. Data were collected by 2 multi-stakeholder participatory workshops, 21 semi-structured in-depth interviews, and secondary statistical data. The present-day agricultural system is characterised by enduring Soviet-era management structures, but without state inputs that previously sustained agricultural productivity. Low margins of profitability on many privatised farms mean that attempts to implement integrated water management have produced water users associations unable to maintain and upgrade a deteriorating irrigation infrastructure. Although actors engage in tactical adaptation measures, necessary structural adaptation of the irrigation system remains difficult without significant public or private investments. Market-based water management models have been translated ambiguously to this region, which fails to encourage efficient water use and hinders adaptation to water stress. In addition, a mutual interdependence of informal networks and formal institutions characterises both state governance and everyday life in Kazakhstan. Such interdependence simultaneously facilitates operational and tactical adaptation, but hinders structural adaptation, as informal networks exist as a parallel system that achieves substantive outcomes while perpetuating the inertia and incapacity of the state bureaucracy. This article has relevance for critical understanding of integrated water management in practice and adaptation to climate change in post Soviet institutional settings more broadly. PMID- 29213177 TI - New Interest in Wild Forest Products in Europe as an Expression of Biocultural Dynamics. AB - In Europe, interest in wild forest products is increasing. Such products may be interpreted in a biological sense as deriving from autonomously growing forest species or in a biocultural sense as reflecting dynamics in human living with biodiversity through re-wilding of earlier domesticated species. In this article I elaborate the idea that the new interests reflect biocultural dynamics. First, I identify these dynamics as involving both domestication and re-wilding and characterize these processes as involving biological, environmental, and cultural dimensions. Next, I present a comparative review of two approaches to re-wilding forest production in the Netherlands: meat production from new types of natural grazing systems, and food production from plants re-introduced to the wild. The first approach is based on the stimulation of naturally occurring ecological processes and the second on the stimulation of new forms of experiencing bio cultural heritage. The examples demonstrate that the new interests in wild forest products involve both a return to earlier stages of domestication in an ecological sense and a new phase of acculturation to evolving socio-cultural conditions. PMID- 29213178 TI - Hiding in the dark: Local ecological knowledge about slow loris in Sarawak sheds light on relationships between human populations and wild animals. AB - Local ecological knowledge (LEK) increases understanding of certain species and the threats they face, especially little-studied taxa for which data on distribution and conservation are often lacking. We conducted 111 semi-structured interviews in Sarawak, Malaysia, to collect local knowledge about the behavior and distribution of the Philippine slow loris (Nycticebus menagensis) from two ethnic groups, the Iban and the Penan. Our study revealed that male Penan respondents, generally hunters, who frequently go into the forest were better at identifying animals from pictures. Overall, the Penan have a more detailed knowledge of slow loris behaviors, habitat, and distribution than the Iban. The two ethnic groups have different attitudes towards slow loris as the Penan hunt, eat, or keep them as pets while the Iban consider them sacred and signifiers of good luck. We advocate the use of LEK for providing complementary information to scientific methods in the study of cryptic animals. PMID- 29213179 TI - On the role of body size, brain size, and eye size in visual acuity. AB - Abstract: The visual system is highly variable across species, and such variability is a key factor influencing animal behavior. Variation in the visual system, for instance, can influence the outcome of learning tasks when visual stimuli are used. We illustrate this issue in guppies (Poecilia reticulata) artificially selected for large and small relative brain size with pronounced behavioral differences in learning experiments and mate choice tests. We performed a study of the visual system by quantifying eye size and optomotor response of large-brained and small-brained guppies. This represents the first experimental test of the link between brain size evolution and visual acuity. We found that female guppies have larger eyes than male guppies, both in absolute terms and in relation to their body size. Likewise, individuals selected for larger brains had slightly larger eyes but not better visual acuity than small brained guppies. However, body size was positively associated with visual acuity. We discuss our findings in relation to previous macroevolutionary studies on the evolution of brain morphology, eye morphology, visual acuity, and ecological variables, while stressing the importance of accounting for sensory abilities in behavioral studies. Significance statement: Pre-existing perceptual biases can be keys for the development of specific behavioral patterns. Hence, potential differences in sensory systems need to be taken into account in the study of animal behavior. We highlight this necessity concentrating on the visual domain and using experimental data on brain size-selected guppies in which we assessed eye size and visual acuity. Behavioral differences between large-brained and small-brained guppies in learning and mate choice predominantly relied on tests using visual cues. Analyses of visual capabilities in this system are therefore necessary. Furthermore, this system offers the unprecedented opportunity to experimentally test the relationship between brain size, eye morphology, and visual capabilities. Our results show similar visual acuities between large brained and small-brained guppies. However, the differences observed in eye area between the sexes, together with the observed positive relationship between body size and visual acuity, highlight the need to incorporate perceptive differences in the study of animal behavior. PMID- 29213180 TI - Names and "Doing Gender": How Forenames and Surnames Contribute to Gender Identities, Difference, and Inequalities. AB - Names, as proper nouns, are clearly important for the identification of individuals in everyday life. In the present article, I argue that forenames and surnames need also to be recognized as "doing" words, important in the categorization of sex at birth and in the ongoing management of gender conduct appropriate to sex category. Using evidence on personal naming practices in the United States and United Kingdom, I examine what happens at crisis points of sexed and gendered naming in the life course (for example, at the birth of babies, at marriage, and during gender-identity transitions). I show how forenames and surnames help in the embodied doing of gender and, likewise, that bodies are key to gendered practices of forenaming and surnaming: we have "gendered embodied named identities." Whether normative and compliant, pragmatic, or creative and resistant, forenaming and surnaming practices are revealed as core to the production and reproduction of binary sex categories and to gendered identities, difference, hierarchies, and inequalities. PMID- 29213181 TI - Physiology limits commercially viable photoautotrophic production of microalgal biofuels. AB - Algal biofuels have been offered as an alternative to fossil fuels, based on claims that microalgae can provide a highly productive source of compounds as feedstocks for sustainable transport fuels. Life cycle analyses identify algal productivity as a critical factor affecting commercial and environmental viability. Here, we use mechanistic modelling of the biological processes driving microalgal growth to explore optimal production scenarios in an industrial setting, enabling us to quantify limits to algal biofuels potential. We demonstrate how physiological and operational trade-offs combine to restrict the potential for solar-powered algal-biodiesel production in open ponds to a ceiling of ca. 8000 L ha-1 year-1. For industrial-scale operations, practical considerations limit production to ca. 6000 L ha-1 year-1. According to published economic models and life cycle analyses, such production rates cannot support long-term viable commercialisation of solar-powered cultivation of natural microalgae strains exclusively as feedstock for biofuels. The commercial viability of microalgal biofuels depends critically upon limitations in microalgal physiology (primarily in rates of C-fixation); we discuss the scope for addressing this bottleneck concluding that even deployment of genetically modified microalgae with radically enhanced characteristics would leave a very significant logistical if not financial burden. PMID- 29213182 TI - Genetic engineering of medium-chain-length fatty acid synthesis in Dunaliella tertiolecta for improved biodiesel production. AB - Genetic engineering of microalgae to accumulate high levels of medium-chain length fatty acids (MCFAs) represents an attractive strategy to improve the quality of microalgae-based biodiesel, but it has thus far been least successful. We demonstrate that one limitation is the availability of fatty acyl-acyl carrier protein (ACP) substrate pool for acyl-ACP thioesterase (TE). A combinational expression platform that involved plant lauric acid-biased TE (C12TE) and MCFA specific ketoacyl-ACP synthase (KASIV) increased lauric acid (C12:0) and myristic acid (C14:0) accumulation by almost sevenfold and fourfold, respectively, compared with native strain. These findings suggest a platform for further investigation into the enlargement of MCFA acyl-ACP substrate pool as an approach to sustainably improve quality of microalgae-based biodiesel with regard to MCFA production. PMID- 29213183 TI - Screening of new British thraustochytrids isolates for docosahexaenoic acid (DHA) production. AB - Thraustochytrids isolated from hot tropical and sub-tropical waters have been well studied for DHA and biodiesel production in the last decades. However, little research has been performed on the oils of cold water thraustochytrids, in particular from the North Sea region. In this study, thraustochytrid strains from British waters showed high relative levels of omega-3 long-chain (>=C20) polyunsaturated fatty acids (LC-PUFA), including docosahexaenoic acid (DHA, 22:6omega3). The relative levels of DHA (as % of total fatty acids, TFA) in the different British strains are hitherto amongst the highest recorded from any thraustochytrid screening study, with strain TL18 reaching up to 67% DHA in modified Glucose-Yeast Extract-Peptone (GYP) medium. At this screening stage, low final biomass and fatty acid yield were observed in modified GYP and MarChiquita Brain Heart Broth (MCBHB), while PUFA profiles (as % of PUFA) remained unaltered regardless of the culture medium used. Hence, optimizing the medium and culture conditions to improve growth and lipid content, without impacting the relative percentage of DHA, has the potential to increase the final DHA concentration. With this in mind, three strains were identified as promising organisms for the production of DHA. In the context of possible future industrial exploitation involving a winterization step, we investigated the recycling of the residual oil for biodiesel use. To do this, a mathematical model was used to assess the intrinsic properties of the by-product oil. The results showed the feasibility of producing primary DHA-rich oil, assuming optimized conditions, while using the by product oil for biodiesel use. PMID- 29213184 TI - A comparison of methods for the non-destructive fresh weight determination of filamentous algae for growth rate analysis and dry weight estimation. AB - The determination of rates of macroalgal growth and productivity via temporal fresh weight (FW) measurements is attractive, as it does not necessitate the sacrifice of biomass. However, there is no standardised method for FW analysis; this may lead to potential discrepancies when determining growth rates or productivity and make literature comparison problematic. This study systematically assessed a variety of lab-scale methods for macroalgal FW measurement for growth rate determination. Method efficacy was assessed over a 14 day period as impact upon algal physiology, growth rate on basis of FW and dry weight (DW), nitrate removal, and maintenance of structural integrity. The choice of method is critical to both accuracy and inter-study comparability of the data generated. In this study, it was observed that the choice of protocol had an impact upon the DW yield (P values = 0.036-0.51). For instance, those involving regular mechanical pressing resulted in a >25% reduction in the final DW in two of the three species studied when compared to algae not subjected to any treatment. This study proposes a standardised FW determination method employing a reticulated spinner that is rapid, reliable, and non-destructive and provides an accurate growth estimation. PMID- 29213185 TI - Crude fucoidan content in two North Atlantic kelp species, Saccharina latissima and Laminaria digitata-seasonal variation and impact of environmental factors. AB - Fucoidans are sulphated fucose-rich polysaccharides predominantly found in the cell walls of brown algae. The bioactive properties of fucoidans attract increasing interest from the medico-pharmaceutical industries and may drive an increase in demand of brown algae biomass. In nature, the biochemical composition of brown algae displays a seasonal fluctuation driven by environmental factors and endogenous rhythms. To cultivate and harvest kelps with high yields of fucoidans, knowledge is needed on seasonal variation and impact of environmental conditions on the fucoidan content of brown algae. The relations between the fucoidan content and key environmental factors (irradiance, nutrient availability, salinity and exposure) were examined by sampling natural populations of the common North Atlantic kelps, Saccharina latissima and Laminaria digitata, over a full year at Hanstholm in the North Sea and Aarhus in the Kattegat. In addition, laboratory experiments were carried out isolating the effects of the single factors. The results demonstrated that (1) seasonal variation alters the fucoidan content by a factor of 2-2.6; (2) interspecific differences exist in the concentrations of crude fucoidan (% of dry matter): L. digitata (11%) > S. latissima (6%); and (3) the effects of single environmental factors were not consistent between species or between different conspecific populations. The ambiguous response to single environmental factors complicates prospective directions for manipulating an increased content of fucoidan in a cultivation scenario and emphasizes the need for knowledge on performance of local kelp ecotypes. PMID- 29213186 TI - Cyclic fractionation process for Saccharina latissima using aqueous chelator and ion exchange resin. AB - A new approach to process Saccharina latissima algal biomass was developed using sodium citrate and a polyvalent cation-specific resin to sequentially extract the alginate into several usable fractions. The fractionation was performed in a cyclic manner, utilizing a stepwise removal of the native polyvalent ions present in the algae to isolate fractions of alginate with different solubility in the presence of these ions. Sodium citrate was used in different concentrations in the extraction solution to remove polyvalent cations to adjust the alginate liberation while AMBERLITE IRC718 resin was added to further remove these ions and regenerate the extraction solution. Alginate was recovered by acid precipitation and analyzed for its uronic acid composition and molecular weight, and the carbohydrate compositions of the insoluble and soluble parts of the algal biomass residue were determined. Finally, the fractionation method was assessed with a life cycle analysis to determine the energy and water efficiency as well as the greenhouse gas emissions and the results were compared to conventional alkaline extraction. The results indicate that the energy and water use as well as the emissions are considerably lower for the cyclic extraction in comparison with the conventional methods. PMID- 29213187 TI - The role of the whitefly, Bemisia tabaci (Gennadius), and farmer practices in the spread of cassava brown streak ipomoviruses. AB - Cassava brown streak disease (CBSD) is arguably the most dangerous current threat to cassava, which is Africa's most important food security crop. CBSD is caused by two RNA viruses: Cassava brown streak virus (CBSV) and Ugandan cassava brown streak virus (UCBSV). The roles of the whitefly Bemisia tabaci (Gennadius) and farmer practices in the spread of CBSD were investigated in a set of field and laboratory experiments. The virus was acquired and transmitted by B. tabaci within a short time (5-10 min each for virus acquisition and inoculation), and was retained for up to 48 hr. Highest virus transmission (60%) was achieved using 20-25 suspected viruliferous whiteflies per plant that were given acquisition and inoculation periods of 24 and 48 hr, respectively. Experiments mimicking the agronomic practices of cassava leaf picking or the use of contaminated tools for making cassava stem cuttings did not show the transmission of CBSV or UCBSV. Screenhouse and field experiments in Tanzania showed that the spread of CBSD next to spreader rows was high, and that the rate of spread decreased with increasing distance from the source of inoculum. The disease spread in the field up to a maximum of 17 m in a cropping season. These results collectively confirm that CBSV and UCBSV are transmitted by B. tabaci semipersistently, but for only short distances in the field. This implies that spread over longer distances is due to movements of infected stem cuttings used for planting material. These findings have important implications for developing appropriate management strategies for CBSD. PMID- 29213188 TI - A novel framework for intelligent surveillance system based on abnormal human activity detection in academic environments. AB - Abnormal activity detection plays a crucial role in surveillance applications, and a surveillance system that can perform robustly in an academic environment has become an urgent need. In this paper, we propose a novel framework for an automatic real-time video-based surveillance system which can simultaneously perform the tracking, semantic scene learning, and abnormality detection in an academic environment. To develop our system, we have divided the work into three phases: preprocessing phase, abnormal human activity detection phase, and content based image retrieval phase. For motion object detection, we used the temporal differencing algorithm and then located the motions region using the Gaussian function. Furthermore, the shape model based on OMEGA equation was used as a filter for the detected objects (i.e., human and non-human). For object activities analysis, we evaluated and analyzed the human activities of the detected objects. We classified the human activities into two groups: normal activities and abnormal activities based on the support vector machine. The machine then provides an automatic warning in case of abnormal human activities. It also embeds a method to retrieve the detected object from the database for object recognition and identification using content-based image retrieval. Finally, a software-based simulation using MATLAB was performed and the results of the conducted experiments showed an excellent surveillance system that can simultaneously perform the tracking, semantic scene learning, and abnormality detection in an academic environment with no human intervention. PMID- 29213189 TI - SpikingLab: modelling agents controlled by Spiking Neural Networks in Netlogo. AB - The scientific interest attracted by Spiking Neural Networks (SNN) has lead to the development of tools for the simulation and study of neuronal dynamics ranging from phenomenological models to the more sophisticated and biologically accurate Hodgkin-and-Huxley-based and multi-compartmental models. However, despite the multiple features offered by neural modelling tools, their integration with environments for the simulation of robots and agents can be challenging and time consuming. The implementation of artificial neural circuits to control robots generally involves the following tasks: (1) understanding the simulation tools, (2) creating the neural circuit in the neural simulator, (3) linking the simulated neural circuit with the environment of the agent and (4) programming the appropriate interface in the robot or agent to use the neural controller. The accomplishment of the above-mentioned tasks can be challenging, especially for undergraduate students or novice researchers. This paper presents an alternative tool which facilitates the simulation of simple SNN circuits using the multi-agent simulation and the programming environment Netlogo (educational software that simplifies the study and experimentation of complex systems). The engine proposed and implemented in Netlogo for the simulation of a functional model of SNN is a simplification of integrate and fire (I&F) models. The characteristics of the engine (including neuronal dynamics, STDP learning and synaptic delay) are demonstrated through the implementation of an agent representing an artificial insect controlled by a simple neural circuit. The setup of the experiment and its outcomes are described in this work. PMID- 29213190 TI - Smartphone-based imaging of the corneal endothelium at sub-cellular resolution. AB - This aim of this study was to test the feasibility of smartphone-based specular microscopy of the corneal endothelium at a sub-cellular resolution. Quantitative examination of endothelial cells is essential for evaluating corneal disease such as determining a diagnosis, monitoring progression and assessing treatment. Smartphone-based technology promises a new opportunity to develop affordable devices to foster quantitative examination of endothelial cells in rural and underserved areas. In our study, we incorporated an iPhone 6 and a slit lamp to demonstrate the feasibility of smartphone-based microscopy of the corneal endothelium at a sub-cellular resolution. The sub-cellular resolution images allowed quantitative calculation of the endothelial cell density. Comparative measurements revealed a normal endothelial cell density of 2978 cells/mm2 in the healthy cornea, and a significantly reduced cell density of 1466 cells/mm2 in the diseased cornea with Fuchs' dystrophy. Our ultimate goal is to develop a smartphone-based telemedicine device for low-cost examination of the corneal endothelium, which can benefit patients in rural areas and underdeveloped countries to reduce health care disparities. PMID- 29213191 TI - How mothers in poverty explain their use of corporal punishment: A qualitative study in Kampala, Uganda. AB - Corporal punishment in the early years is associated with anti-social behaviour and violence, but little is known about its social and cultural context in low income countries. This paper analyses how 12 deprived women in Kampala, Uganda, perceived corporal punishment, drawing on repeated semi-structured interviews. All thought it was sometimes necessary, for three main reasons. First, it was an important strategy to ensure good behaviour and maintain their and their child's, respectability, crucial to self-respect given severe poverty. Second, it was a means of establishing household routines and managing scarce resources. Third, it was a way to protect children from health risks. However, all mothers thought corporal punishment could be excessive, and most said it can be counter productive, making children 'stubborn'. There appeared to be considerable variation in their degree of harsh parenting and emotional support. These findings could inform culturally appropriate interventions to reduce violence against children. PMID- 29213194 TI - Bounded perturbation resilience of extragradient-type methods and their applications. AB - In this paper we study the bounded perturbation resilience of the extragradient and the subgradient extragradient methods for solving a variational inequality (VI) problem in real Hilbert spaces. This is an important property of algorithms which guarantees the convergence of the scheme under summable errors, meaning that an inexact version of the methods can also be considered. Moreover, once an algorithm is proved to be bounded perturbation resilience, superiorization can be used, and this allows flexibility in choosing the bounded perturbations in order to obtain a superior solution, as well explained in the paper. We also discuss some inertial extragradient methods. Under mild and standard assumptions of monotonicity and Lipschitz continuity of the VI's associated mapping, convergence of the perturbed extragradient and subgradient extragradient methods is proved. In addition we show that the perturbed algorithms converge at the rate of [Formula: see text]. Numerical illustrations are given to demonstrate the performances of the algorithms. PMID- 29213193 TI - Anti-Inflammatory Activity of Crude Venom Isolated from Parasitoid Wasp, Bracon hebetor Say. AB - Pest control in the agricultural fields, a major concern globally, is currently achieved through chemical or biological methods. Chemical methods, which leave toxic residue in the produce, are less preferred than biological methods. Venoms injected by stings of various wasps that kill the pest is considered as the examples of the biological method. Although several studies have investigated the biological control of pests through these venoms, very few studies have reported the effects of these venoms on mammalian cells. Bracon hebetor, an ectoparasitoid of the order Hymenoptera, is having a paramount importance in parasitizing various lepidopterous larvae including Plodia interpunctella also called as Indianmeal moth (IMM). Since it is biologically controlled by B. hebetor venom, therefore in our study, herein for the first time, we report the anti inflammatory activities of the venom from B. hebetor (BHV). We developed a septic shock mice model for in vivo anti-inflammatory studies and RAW 264.7 cells for in vitro studies. Our results clearly demonstrate that BHV can dose dependently abrogate the nitric oxide (NO) production and suppress the levels of proinflammatory mediators and cytokines without posing any cytotoxicity via the nuclear factor kappa B (NF-kappaB) and mitogen-activated protein kinase (MAPK) pathways. PMID- 29213195 TI - Bivariate tensor product [Formula: see text]-analogue of Kantorovich-type Bernstein-Stancu-Schurer operators. AB - In this paper, we construct a bivariate tensor product generalization of Kantorovich-type Bernstein-Stancu-Schurer operators based on the concept of [Formula: see text]-integers. We obtain moments and central moments of these operators, give the rate of convergence by using the complete modulus of continuity for the bivariate case and estimate a convergence theorem for the Lipschitz continuous functions. We also give some graphs and numerical examples to illustrate the convergence properties of these operators to certain functions. PMID- 29213192 TI - Advances of Stem Cell Therapeutics in Cutaneous Wound Healing and Regeneration. AB - Cutaneous wound healing is a complex multiple phase process, which overlaps each other, where several growth factors, cytokines, chemokines, and various cells interact in a well-orchestrated manner. However, an imbalance in any of these phases and factors may lead to disruption in harmony of normal wound healing process, resulting in transformation towards chronic nonhealing wounds and abnormal scar formation. Although various therapeutic interventions are available to treat chronic wounds, current wound-care has met with limited success. Progenitor stem cells possess potential therapeutic ability to overcome limitations of the present treatments as it offers accelerated wound repair with tissue regeneration. A substantial number of stem cell therapies for cutaneous wounds are currently under development as a result of encouraging preliminary findings in both preclinical and clinical studies. However, the mechanisms by which these stem cells contribute to the healing process have yet to be elucidated. In this review, we emphasize on the major treatment modalities currently available for the treatment of the wound, role of various interstitial stem cells and exogenous adult stem cells in cutaneous wound healing, and possible mechanisms involved in the healing process. PMID- 29213196 TI - Some further results on the stability of Ky Fan's points. AB - In this paper, some further results on the stability of Ky Fan's points are proposed by introducing a type of stronger perturbation of section mappings defined by a semi-metric called the maximum Hausdorff semi-metric, and the existence of the essential components of the set of Ky Fan's points to this perturbation is proved. As an application, the existence of the essential component of the Nash equilibrium is presented using the proposed method, and strong robustness to payoff function perturbation is achieved. PMID- 29213197 TI - The complete moment convergence for CNA random vectors in Hilbert spaces. AB - In this paper we establish the complete moment convergence for sequences of coordinatewise negatively associated random vectors in Hilbert spaces. The result extends the complete moment convergence in (Ko in J. Inequal. Appl. 2016:131, 2016) to Hilbert spaces as well as generalizes the Baum-Katz type theorem in (Huan et al. in Acta Math. Hung. 144(1):132-149, 2014) to the complete moment convergence. PMID- 29213198 TI - A Mizuno-Todd-Ye predictor-corrector infeasible-interior-point method for symmetric optimization with the arc-search strategy. AB - In this paper, we propose a Mizuno-Todd-Ye predictor-corrector infeasible interior-point method for symmetric optimization using the arc-search strategy. The proposed algorithm searches for optimizers along the ellipses that approximate the central path and ensures that the duality gap and the infeasibility have the same rate of decline. By analyzing, we obtain the iteration complexity [Formula: see text] for the Nesterov-Todd direction, where r is the rank of the associated Euclidean Jordan algebra and epsilon is the required precision. To our knowledge, the obtained complexity bounds coincide with the currently best known theoretical complexity bounds for infeasible symmetric optimization. PMID- 29213199 TI - Oscillation and variation inequalities for the multilinear singular integrals related to Lipschitz functions. AB - The main purpose of this paper is to establish the weighted [Formula: see text] inequalities of the oscillation and variation operators for the multilinear Calderon-Zygmund singular integral with a Lipschitz function. PMID- 29213200 TI - Some limit theorems for ratios of order statistics from uniform random variables. AB - In this paper, we study the ratios of order statistics based on samples drawn from uniform distribution and establish some limit properties such as the almost sure central limit theorem, the large deviation principle, the Marcinkiewicz Zygmund law of large numbers and complete convergence. PMID- 29213201 TI - Eigenvalues of the resistance-distance matrix of complete multipartite graphs. AB - Let [Formula: see text] be a simple graph. The resistance distance between [Formula: see text], denoted by [Formula: see text], is defined as the net effective resistance between nodes i and j in the corresponding electrical network constructed from G by replacing each edge of G with a resistor of 1 Ohm. The resistance-distance matrix of G, denoted by [Formula: see text], is a [Formula: see text] matrix whose diagonal entries are 0 and for [Formula: see text], whose ij-entry is [Formula: see text]. In this paper, we determine the eigenvalues of the resistance-distance matrix of complete multipartite graphs. Also, we give some lower and upper bounds on the largest eigenvalue of the resistance-distance matrix of complete multipartite graphs. Moreover, we obtain a lower bound on the second largest eigenvalue of the resistance-distance matrix of complete multipartite graphs. PMID- 29213202 TI - Strong convergence of gradient projection method for generalized equilibrium problem in a Banach space. AB - In this paper, we propose and analyze a hybrid iterative method for finding a common element of the set of solutions of a generalized equilibrium problem, the set of solutions of a variational inequality problem, and the set of fixed points of a relatively nonexpansive mapping in a real Banach space. Further, we prove the strong convergence of the sequences generated by the iterative scheme. Finally, we derive some consequences from our main result. Our work is an improvement and extension of some previously known results recently obtained by many authors. PMID- 29213203 TI - On a boundary property of analytic functions. AB - Let f be an analytic function in the unit disc [Formula: see text] on the complex plane [Formula: see text]. This paper is devoted to obtaining the correspondence between [Formula: see text] and [Formula: see text] at the point w, [Formula: see text], such that [Formula: see text]. We present several applications of the main result. A part of them improve the previous results of this type. PMID- 29213204 TI - In vitro release of two anti-muscarinic drugs from soft contact lenses. AB - The purpose of this study was to investigate the release of the anti-myopia drugs atropine sulfate and pirenzepine dihydrochloride from commercially available soft contact lenses. Standard ultraviolet (UV) absorbance-concentration curves were generated for atropine and pirenzepine. Ten commercially available contact lenses, including four multifocal lenses, were loaded by soaking in atropine or pirenzepine solutions at two different concentrations (10 mg/mL and 1 mg/mL). The release of the drugs into phosphate-buffered saline was determined over the course of 24 hours at 34 degrees C using UV absorbance. Materials with surface charge released the greatest amount of atropine when loaded with either concentration when compared to the other lens types (p<0.05), releasing upward of 1.026+/-0.035 mg/lens and 0.979+/-0.024 mg/lens from etafilcon A and ocufilcon A, respectively. There were no significant differences in the amount of atropine or pirenzepine released from the multifocal and non-multifocal lenses made from the same lens materials. Narafilcon A material demonstrated prolonged release of up to 8 hours when loaded with pirenzepine, although the overall dose delivered from the lens into the solution was among the lowest of the materials investigated. The rest of the lenses reached a plateau within 2 hours of release, suggesting that they were unable to sustain drug release into the solution for long periods of time. Given that no single method of myopia control has yet shown itself to be completely effective in preventing myopia progression, a combination of optical and pharmaceutical devices comprising a drug delivering contact lens presents a novel solution that warrants further investigation. PMID- 29213205 TI - Hypercapnic Ventilatory Response in the Weaning of Patients with Prolonged Mechanical Ventilation. AB - Objective: To investigate whether hypercapnic ventilatory response (defined as the ratio of the change in minute ventilation [[Formula: see text]] to the change in end-tidal partial pressure of carbon dioxide [DeltaPETCO2 ]) is a predictor of successful weaning in patients with prolonged mechanical ventilation (PMV) and to determine a reference value for clinical use. Methods: A hypercapnic challenge test was performed on 32 PMV subjects (average age: 74.3 years +/- 14.9 years). The subjects were divided into two groups (i.e., weaning successes and weaning failures) and their hypercapnic ventilatory responses were compared. Results: PMV subjects had an overall weaning rate of 68.8%. The weaning-success and weaning failure groups had hypercapnic ventilatory responses ([Formula: see text]) of 0.40 +/- 0.16 and 0.28 +/- 0.12 L/min/mmHg, respectively (P = .036). The area under the receiver operating characteristic curve was 0.716 of the hypercapnic ventilatory response, and the practical hypercapnic ventilatory response cut-off point for successful weaning was 0.265 with 86.4% sensitivity and 50% specificity. Conclusions: PMV subjects who failed weaning had a lower hypercapnic ventilatory response than successfully weaned subjects. However, the prediction capacity of this test, assessed by the area under the receiver operating characteristic (ROC) curve, poorly predicted weaning outcome. PMID- 29213206 TI - HIV transmission clusters among injecting drug users in Romania. AB - : Injection drug use is increasingly an important route of HIV transmission in Romania (from 1.5% of the newly diagnosed cases prior to 2010 to 31% in 2013). In this study we investigated the viral characteristics and relationships in newly HIV infected persons who inject drugs in Bucharest, Romania. Results: HIV-1 pol sequencing, followed by phylogenetic and clustering analysis was performed on blood from 37 injecting drug users (IDUs) newly diagnosed with HIV infection. While HIV subtype F1, the dominant strain in Romania since 1990, remains prevalent, new subtypes were found including G, B, B/G and B/F recombinants. Overall, 27 of the available sequences (72.9%) clustered with at least one other. Network and phylogenetic analysis revealed tight monophyletic clusters for both subtypes F and G, with short genetic distances between sequences, suggesting recent numerous acute to acute transmissions or single burst-type episodes. No transmitted drug-resistance mutations were identified. Greater immunosuppression was present in subjects forming the subtype G cluster, possibly indicating a faster rate of progression associated with this subtype. Conclusions: The recent increasing numbers of IDU related HIV transmissions in Bucharest, has resulted in closely-knit transmission networks that maychange the genetic profile of the local HIV epidemic. PMID- 29213207 TI - Ontogenetic variability in old and new collections of Dicranophyllum gallicum Grand'Eury from the late Palaeozoic of Europe. AB - Dicranophyllum gallicum Grand'Eury is described by means of a morphometric analysis of eighty two samples from various old and new localities in western and central Europe. Stem, leaf cushions, leaf scars, leaves, axillary structures and potential seeds are described in detail, and discussed in comparison to earlier studies. The encountered variability in size and structure is shown to be higher than what was described earlier. The organisation of the leaf cushion and scar density vary gradually with the stem width, while stratigraphic position and ecology do not relate to it. It is concluded that the described variability represents an ontogenetic feature rather than a phylogenetic or ecologic one. The juvenile plants are characterised by small stems, a high leaf scar density and elongated leaf cushions with a dominant apical field, while mature specimens are characterized by a wide stem, a relatively low leaf scar density and relatively wide leaf cushions with a pronounced basal field. Axillary shoots and potential seeds of D. gallicum are described and illustrated in detail for the first time. A reconstruction based on the studied material is presented. PMID- 29213208 TI - Awareness of malaria and treatment-seeking behaviour among persons with acute undifferentiated fever in the endemic regions of Myanmar. AB - Background: Myanmar has a high burden of malaria with two-third of the population at risk of malaria. One of the basic elements of the Roll Back Malaria Initiative to fight against malaria is early diagnosis and treatment within 24 h of fever. Public awareness about malaria is a key factor in malaria prevention and control and in improving treatment-seeking behaviour. Methods: A large community-based survey was carried out in 27 townships of malaria endemic regions in Myanmar in 2015 which reported on the knowledge, behaviour and practices around malaria in the general population. We used the data already collected in this survey to assess (i) general public awareness of malaria and (ii) treatment-seeking behaviour and associated factors among persons with acute undifferentiated fever. Results: A total of 6597 respondents from 6625 households were interviewed (response rate of 99.5%). About 85% of the respondents were aware that mosquito bite was the mode of transmission of malaria and 90% mentioned that malaria was preventable. However, only 16% of the respondents knew about anti-malaria drug resistance. There were certain misconceptions about the transmission of malaria such as dirty water, same blood group, sharing shelter, sleeping/eating together and poor hygiene. Health facility staff were the most common source of information about malaria (80%). Nearly one-fourth (23%) of the respondents with fever resorted to self-medication. Around 28% of the respondents with fever underwent blood testing, less than half of whom (44%) were tested within 24 h. Elderly age group, females, those with poor knowledge about malaria and those residing in non-Regional Artemisinin Resistance Initiative townships were associated with poor treatment-seeking behaviour in case of fever. Conclusion: Although there is fair knowledge on mosquito bite as a mode of transmission and prevention of malaria, there are some misconceptions about transmission of malaria. Those having poor knowledge about malaria have poor treatment-seeking behaviour. A considerable number of respondents seek care from informal care providers and seek care late. Thus, there is a need to promote awareness about the role of early diagnosis and appropriate treatment and address misconceptions about transmission of malaria. PMID- 29213209 TI - Creep and cracking of concrete hinges: insight from centric and eccentric compression experiments. AB - Existing design guidelines for concrete hinges consider bending-induced tensile cracking, but the structural behavior is oversimplified to be time-independent. This is the motivation to study creep and bending-induced tensile cracking of initially monolithic concrete hinges systematically. Material tests on plain concrete specimens and structural tests on marginally reinforced concrete hinges are performed. The experiments characterize material and structural creep under centric compression as well as bending-induced tensile cracking and the interaction between creep and cracking of concrete hinges. As for the latter two aims, three nominally identical concrete hinges are subjected to short-term and to longer-term eccentric compression tests. Obtained material and structural creep functions referring to centric compression are found to be very similar. The structural creep activity under eccentric compression is significantly larger because of the interaction between creep and cracking, i.e. bending-induced cracks progressively open and propagate under sustained eccentric loading. As for concrete hinges in frame-like integral bridge construction, it is concluded (i) that realistic simulation of variable loads requires consideration of the here studied time-dependent behavior and (ii) that permanent compressive normal forces shall be limited by 45% of the ultimate load carrying capacity, in order to avoid damage of concrete hinges under sustained loading. PMID- 29213210 TI - German S3 Guideline Nonrestorative Sleep/Sleep Disorders, chapter "Sleep-Related Breathing Disorders in Adults," short version: German Sleep Society (Deutsche Gesellschaft fur Schlafforschung und Schlafmedizin, DGSM). PMID- 29213211 TI - Black holes, hidden symmetries, and complete integrability. AB - The study of higher-dimensional black holes is a subject which has recently attracted vast interest. Perhaps one of the most surprising discoveries is a realization that the properties of higher-dimensional black holes with the spherical horizon topology and described by the Kerr-NUT-(A)dS metrics are very similar to the properties of the well known four-dimensional Kerr metric. This remarkable result stems from the existence of a single object called the principal tensor. In our review we discuss explicit and hidden symmetries of higher-dimensional Kerr-NUT-(A)dS black hole spacetimes. We start with discussion of the Killing and Killing-Yano objects representing explicit and hidden symmetries. We demonstrate that the principal tensor can be used as a "seed object" which generates all these symmetries. It determines the form of the geometry, as well as guarantees its remarkable properties, such as special algebraic type of the spacetime, complete integrability of geodesic motion, and separability of the Hamilton-Jacobi, Klein-Gordon, and Dirac equations. The review also contains a discussion of different applications of the developed formalism and its possible generalizations. PMID- 29213212 TI - Implementation and feasibility of the stroke nursing guideline in the care of patients with stroke: a mixed methods study. AB - Background: Nurses often have difficulties with using interdisciplinary stroke guidelines for patients with stroke as they do not focus sufficiently on nursing. Therefore, the Stroke Nursing Guideline (SNG) was developed and implemented. The aim of this study was to determine the implementation and feasibility of the SNG in terms of changes in documentation and use of the guideline in the care of stroke patients on Neurological and Rehabilitation wards, barriers and facilitators, and nurses' and auxiliary nurses' view of the implementation. Methods: A sequential explorative mixed method design was used including pre-test post-test measures and post intervention focus groups interviews. For the quantitative part retrospective electronic record data of nursing care was collected from 78 patients and prospective measures with Barriers and Facilitators Assessment Instrument (BFAI) and Quality Indicator Tool (QIT) from 33 nursing staff including nurses and auxiliary nurses. In the qualitative part focus groups interviews were conducted with nursing staff on usefulness of the SNG and experiences with implementation. Results: Improved nursing documentation was found for 23 items (N = 37), which was significant for nine items focusing mobility (p = 0.002, p = 0.024, p = 0.012), pain (p = 0.012), patient teaching (p = 0.001, p = 0.000) and discharge planning (p = 0.000, p = 0.002, p = 0.004). Improved guideline use was found for 20 QIT-items (N = 30), with significant improvement on six items focusing on mobility (p = 0.023), depression (p = 0.033, p = 0.025, p = 0.046, p = 0.046), discharge planning (p = 0.012). Facilitating characteristics for change were significantly less for two of four BFAI subscales, namely Innovation (p = 0.019) and Context (p = 0.001), whereas no change was found for Professional and Patient subscales. The findings of the focus group interviews showed the SNG to be useful, improving and providing consistency in care. The implementation process was found to be successful as essential components of nursing rehabilitation were defined and integrated into daily care. Conclusion: Nursing staff found the SNG feasible and implementation successful. The SNG improved nursing care, with increased consistency and more rigorous functional exercises than before. The SNG provides nurses and auxiliary nurses with an important means for evidence based care for patients with stroke. Several challenges of implementing this complex nursing intervention surfaced which mandates ongoing attention. PMID- 29213213 TI - "From resistance to challenge": child health service nurses experiences of how a course in group leadership affected their management of parental groups. AB - Background: All parents in Sweden are invited to child health service (CHS) parental groups, however only 49% of the families participate. The way the parental groups are managed has been shown to be of importance for how parents experience the support and CHS nurses describe feeling insecure when running the groups. Lack of facilitation, structure and leadership might jeopardise the potential benefit of such support groups. This study describes CHS nurses' experiences of how a course in group leadership affected the way they ran their parental groups. Methods: A course in group leadership given to 56 CHS nurses was evaluated in focus group interviews 5-8 months after the course. Results: The nurses felt strengthened in their group leader role and changed their leadership methods. The management of parental groups was after the course perceived as an important work task and the nurses included time for planning, preparation and evaluation, which they felt improved their parental groups. Parental participation in the activities in the group had become a key issue and they used their new exercises and tools to increase this. They expressed feeling more confident and relaxed in their role as group leaders and felt that they could adapt their leadership to the needs of the parents. Conclusions: Specific training might strengthen the CHS nurses in their group leader role and give them new motivation to fulfil their work with parental groups. Trial registration: Clinical Trials.gov ID: NCT02494128. PMID- 29213214 TI - ROR2 receptor promotes the migration of osteosarcoma cells in response to Wnt5a. AB - Background: We have reported that the phosphatidylinositol-3 kinase (PI3K)/Akt/RhoA signaling pathway mediates Wnt5a-induced cell migration of osteosarcoma cells. However, the specific receptors responding to Wnt5a ligand remain poorly defined in osteosarcoma metastasis. Methods: Wound healing assays were used to measure the migration rate of osteosarcoma cells transfected with shRNA or siRNA specific against ROR2 or indicated constructs. We evaluated the RhoA activation in osteosarcoma MG-63 and U2OS cells with RhoA activation assay. A panel of inhibitors of PI3K and Akt treated osteosarcoma cells and blocked kinase activity. Western blotting assays were employed to measure the expression and activation of Akt. Clonogenic assays were used to measure the cell proliferation of ROR2-knockdown or ROR2-overexpressed osteosarcoma cells. Results: Wnt5a-induced osteosarcoma cell migration was largely abolished by shRNA or siRNA specific against ROR2. Overexpression of RhoA-CA (GFP-RhoA-V14) was able to rescue the Wnt5a-induced cell migration blocked by ROR2 knockdown. The Wnt5a induced activation of RhoA was mostly blocked by ROR2 knockdown, and elevated by ROR2 overexpression, respectively. Furthermore, we found that Wnt5a-induced cell migration was significantly retarded by RhoA-siRNA transfection or pretreatment of HS-173 (PI3Kalpha inhibitor), MK-2206 (Akt inhibitor), A-674563 (Akt1 inhibitor), or CCT128930 (Akt2 inhibitor). The activation of Akt was upregulated or downregulated by transfected with ROR2-Flag or ROR2-siRNA, respectively. Lastly, Wnt5a/ROR2 signaling does not alter the cell proliferation of MG-63 osteosarcoma cells. Conclusions: Taken together, we demonstrate that ROR2 receptor responding to Wnt5a ligand activates PI3K/Akt/RhoA signaling and promotes the migration of osteosarcoma cells. PMID- 29213215 TI - CMTM5 is downregulated and suppresses tumour growth in hepatocellular carcinoma through regulating PI3K-AKT signalling. AB - Background: Human chemokine like factor (CKLF)-like MAL and related proteins for vesicle trafficking transmembrane, domain-containing member 5 (CMTM5) has been shown to involved and may function as a tumour suppressor in tumorigenesis. The current study aimed to investigate the expression and function of CMTM5 in human hepatocellular carcinoma (HCC). Methods: CMTM5 expression was examined by immunohistochemistry, and its clinical significance was analysed in 76 HCC specimens. The role and molecular mechanisms of CMTM5 in cell proliferation, apoptosis and invasion were examined in vitro and in vivo. Results: CMTM5 expression was significantly downregulated in HCC tissues as well as cell lines. The expression of CMTM5 was absent in 77.6% of HCC tissues compared with 3.9% in normal liver tissues. Low CMTM5 expression was significantly correlated with poor overall survival in patients with HCC (P = 0.009). Restoring CMTM5 expression in Huh7 cells significantly inhibited cell growth, promoted cell apoptosis, and reduced cell metastatic and invasion ability compared with mock transfected cells in vitro. Overexpression of CMTM5 also suppressed xenograft tumour growth in vivo in a HCC xenograft model. Reduced cell growth and metastasis ability mediated by CMTM5 overexpression was associated with downregulation of PI3K/AKT and its downstream Bcl2, cyclinD1, cyclinE, MMP2 and MMP9 expressions, and an upregulation of p21, Bax, Bad, cleaved caspase3 expressions. Conclusions: Our data suggest that CMTM5 might function as a tumour suppressor in human HCC, and represent a valuable potential therapeutic target for HCC. PMID- 29213216 TI - Tumor-infiltrating CD4+ T cells in patients with gastric cancer. AB - Background: T lymphocytes play an indispensably important role in clearing virus and tumor antigen. There is little knowledge about impacts of inhibitory molecules with cytokine on tumor-infiltrating CD4+ T-cells in the presence of gastric cancer (GC). This study investigated the distribution of tumor infiltrating T-cells subset and the differentiation as well as inhibitory phenotype of T-cells from blood and tissues of GC patients. Materials and methods: Patients with GC diagnosed on the basis of pre-operative staging and laparotomy findings were approached for enrollment between 2014 and 2015 at the Affiliated Cancer Hospital of Zhengzhou University, China. Phenotypic analysis based on isolation of tumor-infiltrating lymphocytes and intracellular IFN-gamma staining assay is conducted. Statistical analysis is performed to show significance. Results: The results showed that the percentage of CD4+ T-cells among CD3+ cells in tumors was significantly higher than that in the matched paraneoplastic tissue. CD4+ CD25high CD127low regulatory T-cells (Tregs), PD-1+, Tim-3+, and PD-1+ Tim-3+ cells were up-regulated on tumor infiltrating T-cells from patients with GC compared to their expressions on corresponding peripheral blood and peritumoral T-cells. Blockades of PD-1+ and Tim-3+ were effective in restoring tumor infiltrating T-cells' production of interferon-gamma (IFN-gamma). Combined PD-1+ and Tim-3+ inhibition had a synergistic effect on IFN-gamma secretion by CD4+ T-cells. Conclusion: The results suggested that the composition, inhibitors, and location of the immune infiltrate should be considered when evaluating antitumor immunotherapy. A new insight into the mechanisms underlying T cell dysfunction is provided. PMID- 29213217 TI - Increased expression of MARCH8, an E3 ubiquitin ligase, is associated with growth of esophageal tumor. AB - Background: Herein, for the first time, we report aberrant expression of membrane associated RING-CH8 (MARCH8) in human esophageal squamous cell carcinoma. MARCH8 is a member of the recently discovered MARCH family of really interesting new genes (RING) E3 ligases. Though initial studies primarily focused on its immunomodulatory role, the newly discovered targets of this E3 ligase point towards its possible role in other biological processes such as embryogenesis and inhibition of apoptosis. However, its relevance in cancers is yet to be elucidated. Methods: We carried out quantitative real time PCR and immunohistochemistry to examine the levels of MARCH8 mRNA and protein in esophageal squamous cell carcinoma tissues. The role of MARCH8 in esophageal cancer cells was evaluated by cell proliferation, clonogenic and migration/invasion assays and flow cytometry with MARCH8 gene knockdown. Results: Significantly increased expression of MARCH8 mRNA was found in esophageal squamous cell carcinoma as compared to distant matched non-malignant tissues (p = 0.024, AUC = 0.654). Immunohistochemical analysis revealed overexpression of MARCH8 protein in 86% of esophageal squamous cell carcinoma tissues (p < 0.001, AUC = 0.908). Interestingly, intense nuclear staining of MARCH8 protein was detected in cancer cells in addition to its cytoplasmic expression. Knockdown of MARCH8 resulted in decreased proliferation, migration, invasion and clonogenic potential of esophageal cancer cells. In addition to this, silencing of MARCH8 induced apoptosis in esophageal cancer cells which was measured by cell cycle distribution assay which showed increase in sub G0 and G2/M populations (cell death) and decrease in S-phase population. To further check the type of apoptosis induced by MARCH8 silencing, annexin assay was performed which showed significant increase in the number of cells in early apoptotic phase. Conclusions: Overall, increased expression of MARCH8 gene in preneoplastic and neoplastic esophageal tissues and its knockdown effect on cancer cell properties demonstrated herein points towards the potential role of this protein in esophageal tumorigenesis. PMID- 29213218 TI - Tiotropium in asthma: back to the future of anticholinergic treatment. AB - Asthma is among the most common chronic diseases worldwide; however, despite progresses in the understanding of the patho-physiological mechanisms and advances in the development of new therapeutic options and strategies, the disease remains uncontrolled in a not trivial proportion of subjects. Thus, the need of new molecules to treat the underlying biological and functional abnormalities and to control symptoms is strongly advocated by clinicians. In this scenario, the most recent GINA guidelines have included the use of tiotropium bromide in the most severe and uncontrolled forms of the disease, in addition to treatment with inhaled corticosteroid plus long acting beta adrenergic agents. Indeed, a large body of evidence has accumulated to support the use of tiotropium bromide in asthma. The current review paper provides a state of the art systematic revision of findings on the efficacy and safety of tiotropium in the adult and paediatric asthma population. To this aim, electronic searches were undertaken in the most common scientific databases from the date of inception to March 2017. Robust and high quality evidence showed that tiotropium is effective and safe in both adults and children/adolescents. Predictive markers of response have been also suggested, as well as cost-benefit analyses reported. The tiotropium bronchodilator effect seems to be not solely related to the reduction of the smooth muscle tone. However, the observations on anti inflammatory properties or reduction in mucus production, despite highly interesting, have been only demonstrated in in vitro studies and animal models, therefore advocating for further specifically designed investigations. PMID- 29213219 TI - A Review on Bone Mineral Density Loss in Total Knee Replacements Leading to Increased Fracture Risk. AB - The link between low bone mineral density (BMD) scores leading to greater fracture risk is well established in the literature; what is not fully understood is the impact of total knee replacements/revisions or arthroplasties on BMD levels. This literature review attempts to answer this question. Several different databases using specific key terms were searched, with additional papers retrieved via bibliographic review. Based on the available evidence, total knee replacements/revisions and arthroplasties lower BMD and thus increase fracture risk. This review also addresses the possible implications of this research and possible options to reduce this risk. PMID- 29213220 TI - The proteins cleaved by endogenous tryptic proteases in normal EDTA plasma by C18 collection of peptides for liquid chromatography micro electrospray ionization and tandem mass spectrometry. AB - The tryptic peptides from ice cold versus room temperature plasma were identified by C18 liquid chromatography and micro electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS). Samples collected on ice showed low levels of endogenous tryptic peptides compared to the same samples incubated at room temperature. Plasma on ice contained peptides from albumin, complement, and apolipoproteins and others that were observed by the X!TANDEM and SEQUEST algorithms. In contrast to ice cold samples, after incubation at room temperature, greater numbers of tryptic peptides from well characterized plasma proteins, and from cellular proteins were observed. A total of 583,927 precursor ions and MS/MS spectra were correlated to 94,669 best fit peptides that reduced to 22,287 correlations to the best accession within a gene symbol and to 7174 correlations to at least 510 gene symbols with >= 5 independent MS/MS correlations (peptide counts) that showed FDR q-values ranging from E-9 (i.e. FDR = 0.000000001) to E-227. A set of 528 gene symbols identified by X!TANDEM and SEQUEST including C4B showed >= fivefold variation between ice cold versus room temperature incubation. STRING analysis of the protein gene symbols observed from endogenous peptides in normal plasma revealed an extensive protein-interaction network of cellular factors associated with cell signalling and regulation, the formation of membrane bound organelles, cellular exosomes and exocytosis network proteins. Taken together the results indicated that a pool of cellular proteins, or protein complexes, in plasma are apparently not stable and degrade soon after incubation at room temperature. PMID- 29213221 TI - Omalizumab in Children with Severe Allergic Asthma: The Italian Real-Life Experience. AB - Background: Anti-IgE treatment represents a major breakthrough in the therapeutic management of severe allergic asthma. To date, omalizumab is the only biological drug currently licensed as add-on therapy in children aged > 6 years with moderate-to-severe and severe allergic asthma uncontrolled after treatment with high dose of inhaled corticosteroids plus long-acting inhaled beta2-agonist. The clinical efficacy and safety of omalizumab treatment in the pediatric population has been extensively documented in specific trials and consistently expanded from real-life studies. Our aim is to describe the impact of omalizumab on asthma management, by reporting the results of the first Italian multicenter observational study conducted in children and adolescents with severe allergic asthma. Methods: The study was a 1-year real-life multicenter survey conducted in 13 pediatric allergy and pulmonology tertiary centers in Italy. All patients with confirmed severe allergic asthma from whom Omalizumab add-on treatment was initiated between 2007 and 2015 were included in the study. Results: Forty-seven patients with severe allergic asthma were included in the study. A significant reduction in the number of asthma exacerbations was observed during treatment with omalizumab, when compared with the previous year (1.03 vs 7.2 after 6 months (p<0.001) and 0.8 after 12 months (p<0.001), respectively). Hospital admissions were reduced by 96%. At 12 months, forced expiratory volume in 1 s improved and a corticosteroid sparing effect was observed.No serious adverse events were reported during the follow-up period of 12 months. Conclusion: The results of the first Italian multicenter observational study confirmed that omalizumab is an effective and safe add-on therapy in uncontrolled severe allergic asthma in children. PMID- 29213222 TI - Antiplasmodial Compounds from Leaves of Dodonaea angustifolia. AB - Background: Dodonaea angustifolia is used in Ethiopian traditional medicine to treat malaria. The objective of this work was to conduct bioassay guided fractionation of the leaves of D. angustifolia using Plasmodium berghei infected mice. Method: The antiplasmodial activity of the extracts and pure compounds was evaluated using the standard Peter's four-day suppressive method. The structures of isolated compounds were elucidated using chemi-cal and spectroscopic methods. Results: In this study, the ethyl acetate soluble portion of the 80% aqueous MeOH extract of the leaves significantly suppressed parasitaemia in Plasmodium berghei infected mice (80.28% at 150 mg/kg). Three active compounds which exhibited significant percent suppression of parasitaemia by 81% at 40 mg/kg, 80% at 50 mg/kg and 70% at 40 mg/kg, respectively were identified. These are the flavanone pinocembrin (1), the flavanol santin (2) and the clerodane diterpene 2-hydroxy 15,16-epoxyceloda-3,13(16),14-trien-18-oic acid (3). Under similar conditions, chloroquine suppressed parasitaemia by 100% at 25 mg/kg. Chemical study of the ethanol extract of the leaves yielded 5,7,4'-trihydroxy-3,6-dimethoxyflavone (4), ent-16-hydroxy-labdan-3alpha,8beta-dihydroxy,13(14)-en-15,16-olide (5) and 5,6,7 trihydroxy-3,4'-dimethoxyflavone (6). Compound 6 has not been reported before as a natural product. Conclusion: From the leaves of D. angustifolia, three compounds with significant antiplasmodial activi-ties were isolated and characterized, with pinocembrin as the most active compound. PMID- 29213223 TI - Compositional Monosaccharide Analysis of Morus nigra Linn by HPLC and HPCE Quantitative Determination and Comparison of Polysaccharide from Morus nigra Linn by HPCE and HPLC. AB - Background: Morus nigra Linn is not only treated as health food but also medicine in Chinese history. Objective: Here, we have extracted and separated the heteroglycan to monosaccharides of the dry fruits. Method: After heteroglycan being hydrolysised, then were we derivatived the monosaccharides with 1-phenyl-3 methyl-5-pyrazolone (PMP), and then subsequently HPCE and HPLC were used to separate. HPCE, which held an uncoated capillary (d=75MUm) and detected by PDA at 245 nm with borate buffer, the voltage was set at 15 kV and capillary temperature was 25 degrees C. There is Yilite column (Hypersil BDS C18 5MUm, 4.6mm*250mm) with HPLC and detected by UV at 245 nm and capillary temperature 25 degrees C.The High Performance capillary electrophoresis method and High Performance Liquid Chromatog-raphy method were compared on monosaccharide composition and quantitative determination of polysac-charide from the black mulberry. Results: Through several indicators including standard curve, precision, reproducibility, stability and recovery rate, the result of the two methods is basically consistent while they have complementary ad-vantages. Conclusion: Both methods are suitable for the determination of the black mulberry polysaccharide, but each has its own merits. PMID- 29213224 TI - Pro-arrhythmogenic Effects of the V141M KCNQ1 Mutation in Short QT Syndrome and Its Potential Therapeutic Targets: Insights from Modeling. AB - Gain-of-function mutations in the pore-forming subunit of IKs channels, KCNQ1, lead to short QT syndrome (SQTS) and lethal arrhythmias. However, how mutant IKs channels cause SQTS and the possibility of IKs-specific pharmacological treatment remain unclear. V141M KCNQ1 is a SQTS associated mutation. We studied its effect on IKs gating properties and changes in the action potentials (AP) of human ventricular myocytes. Xenopus oocytes were used to study the gating mechanisms of expressed V141M KCNQ1/KCNE1 channels. Computational models were used to simulate human APs in endocardial, mid-myocardial, and epicardial ventricular myocytes with and without beta-adrenergic stimulation. V141M KCNQ1 caused a gain-of function in IKs characterized by increased current density, faster activation, and slower deactivation leading to IKs accumulation. V141M KCNQ1 also caused a leftward shift of the conductance-voltage curve compared to wild type (WT) IKs (V1/2 = 33.6 +/- 4.0 mV for WT, and 24.0 +/- 1.3 mV for heterozygous V141M). A Markov model of heterozygous V141M mutant IKs was developed and incorporated into the O'Hara-Rudy model. Compared to the WT, AP simulations demonstrated marked rate-dependent shortening of AP duration (APD) for V141M, predicting a SQTS phenotype. Transmural electrical heterogeneity was enhanced in heterozygous V141M AP simulations, especially under beta-adrenergic stimulation. Computational simulations identified specific IK1 blockade as a beneficial pharmacologic target for reducing the transmural APD heterogeneity associated with V141M KCNQ1 mutation. V141M KCNQ1 mutation shortens ventricular APs and enhances transmural APD heterogeneity under beta-adrenergic stimulation. Computational simulations identified IK1 blockers as a potential antiarrhythmic drug of choice for SQTS. PMID- 29213225 TI - Role of blue dye for sentinel lymph node detection in early endometrial cancer. AB - Background: Sentinel Lymphonode analysis has become a barely new and innovative way to treat early stages of endometrial cancer (Ballester et al., Lancet Oncol 469-476, 2011; Buda et al., Ann Surg Oncol 2975-81, 2016). Indocyanine green cervical injection is considered gold standard for mapping nodes' drainage. Blue dye is used as a valid alternative in many centers, due to the lower cost of execution. The objective of this video is to prove that methylene blue dye's cervical injection is a valid and "low-cost" method to obtain mapping of lymphatic drainage in patient with early endometrial cancer. Methods: Fifty-four year old women, with a recent diagnosis of endometrial cancer IA G2, we performed a radical Hysterectomy type A. We diluted in equal proportions the blue dye and saline and injected 1 cl in depth and 1 cl on the surface of the cervix, at 3 o'clock and 9 o'clock. After 20 min, it was shown with precision the lymphatic drainage until the first lymph node station from both sides. Results: One external iliac lymph node and one obturator were resected on the left side and one external iliac on the right side. On histological analysis, none of the lymph nodes had any location of metastasis, neither micro-metastasis. Myometrial infiltration was 8/19 mm. Conclusions: Blue dye cervical injection is a "low cost", safe, and satisfactory procedure to point out Sentinel Lymph Node of uterus drainage. Other tracers, such as indocyanine green, are widely used in gynecological oncology, but with a higher cost of the product and the needing of a dedicated optical filter to be shown on human view. PMID- 29213226 TI - Transcranial Direct Current Stimulation (tDCS): A Beginner's Guide for Design and Implementation. AB - Transcranial direct current stimulation (tDCS) is a popular brain stimulation method that is used to modulate cortical excitability, producing facilitatory or inhibitory effects upon a variety of behaviors. There is, however, a current lack of consensus between studies, with many results suggesting that polarity-specific effects are difficult to obtain. This article explores some of these differences and highlights the experimental parameters that may underlie their occurrence. We provide a general, practical snapshot of tDCS methodology, including what it is used for, how to use it, and considerations for designing an effective and safe experiment. Our aim is to equip researchers who are new to tDCS with the essential knowledge so that they can make informed and well-rounded decisions when designing and running successful experiments. By summarizing the varied approaches, stimulation parameters, and outcomes, this article should help inform future tDCS research in a variety of fields. PMID- 29213228 TI - Adenosine A1-A2A Receptor Heteromer as a Possible Target for Early-Onset Parkinson's Disease. PMID- 29213227 TI - Targeted Delivery of Mitochondrial Calcium Channel Regulators: The Future of Glaucoma Treatment? PMID- 29213229 TI - Reflex Modification Audiometry Reveals Dual Roles for Olivocochlear Neurotransmission. AB - Approximately 15% of American adults report some degree of difficulty hearing in a noisy environment or have auditory filtering difficulties. There are objective clinical tests of auditory filtering, yet few tests exist for mouse models that do not rely on extensive training. We have used reflex modification audiometry (RMA) and developed exclusion criteria for the mouse model. This RMA based test makes use of the acoustic startle response (ASR) and the ability of prepulses to inhibit the ASR [i.e., prepulse inhibition (PPI)] to assess the mouse's ability to detect prepulse signals presented in quiet or embedded in masking noise. We have studied PPI behavior across four inbred mouse strains with normal cochlear function and developed pre-testing exclusion criteria and test/retest reliability measures. Moreover, because both the medial (MOC) and the lateral (LOC) olivocochlear efferent feedback systems have been proposed to improve auditory behavior performance, especially in noisy backgrounds, we have examined PPI abilities in mice (with their littermate controls) either lacking the MOC receptor subunit alpha9 nicotinic acetylcholine receptor [alpha9 nAChR (-/-)] or expressing an overactive receptor [Ld'T mutation in alpha9 nAChR KI], or lacking an LOC efferent neuropeptide, alpha calcitonin gene-related peptide [alphaCGRP ( /-)] only in the CNS. Because CGRP receptor formation has been shown to mature from juvenile to adult ages, we also studied if this maturation would be reflected in PPI behavioral responses in juvenile and adult (+/+) controls and in adult alphaCGRP (-/-) animals. We show that 50% PPI response thresholds (sound level with 50% correct responses) in quiet are decreased in the (-/-) alpha9 nAChR animals, and 50% PPI responses are increased for mice with an overactive receptor (alpha9 nAChR KI) and are increased in adult mice lacking alphaCGRP (-/ ). However, in background noise, only mice lacking alphaCGRP exhibited increased 50% PPI response thresholds, as there were no significant differences between alpha9 nAChR adult mouse lines and their littermate controls. These findings suggest that MOC and LOC olivocochlear neurotransmission work in tandem to improve behavioral responses to sound. These experiments further pave the way for rapid behavioral hearing assessments in other mouse models. PMID- 29213230 TI - Pannexin 1 Modulates Axonal Growth in Mouse Peripheral Nerves. AB - The pannexin family of channels consists of three members-pannexin-1 (Panx1), pannexin-2 (Panx2), and pannexin-3 (Panx3) that enable the exchange of metabolites and signaling molecules between intracellular and extracellular compartments. Pannexin-mediated release of intracellular ATP into the extracellular space has been tied to a number of cellular activities, primarily through the activity of type P2 purinergic receptors. Previous work indicates that the opening of Panx1 channels and activation of purinergic receptors by extracellular ATP may cause inflammation and apoptosis. In the CNS (central nervous system) and PNS (peripheral nervous system), coupled pannexin, and P2 functions have been linked to peripheral sensitization (pain) pathways. Purinergic pathways are also essential for other critical processes in the PNS, including myelination and neurite outgrowth. However, whether such pathways are pannexin-dependent remains to be determined. In this study, we use a Panx1 knockout mouse model and pharmacological inhibitors of the Panx1 and the ATP mediated signaling pathway to fill gaps in our understanding of Panx1 localization in peripheral nerves, roles for Panx1 in axonal outgrowth and myelination, and neurite extension. Our data show that Panx1 is localized to axonal, myelin, and vascular compartments of the peripheral nerves. Knockout of Panx1 gene significantly increased axonal caliber in vivo and axonal growth rate in cultured dorsal root ganglia (DRG) neurons. Furthermore, genetic knockout of Panx1 or inhibition of components of purinergic signaling, by treatment with probenecid and apyrase, resulted in denser axonal outgrowth from cultured DRG explants compared to untreated wild-types. Our findings suggest that Panx1 regulates axonal growth in the peripheral nervous system. PMID- 29213231 TI - The Roles of Cortical Slow Waves in Synaptic Plasticity and Memory Consolidation. AB - Sleep plays important roles in sensory and motor memory consolidation. Sleep oscillations, reflecting neural population activity, involve the reactivation of learning-related neurons and regulate synaptic strength and, thereby affect memory consolidation. Among sleep oscillations, slow waves (0.5-4 Hz) are closely associated with memory consolidation. For example, slow-wave power is regulated in an experience-dependent manner and correlates with acquired memory. Furthermore, manipulating slow waves can enhance or impair memory consolidation. During slow wave sleep, inter-areal interactions between the cortex and hippocampus (HC) have been proposed to consolidate declarative memory; however, interactions for non-declarative (HC-independent) memory remain largely uninvestigated. We recently showed that the directional influence in a slow-wave range through a top-down cortical long-range circuit is involved in the consolidation of non-declarative memory. At the synaptic level, the average cortical synaptic strength is known to be potentiated during wakefulness and depressed during sleep. Moreover, learning causes plasticity in a subset of synapses, allocating memory to them. Sleep may help to differentiate synaptic strength between allocated and non-allocated synapses (i.e., improving the signal to-noise ratio, which may facilitate memory consolidation). Herein, we offer perspectives on inter-areal interactions and synaptic plasticity for memory consolidation during sleep. PMID- 29213233 TI - Multisensory and Modality-Specific Influences on Adaptation to Optical Prisms. AB - Visuo-motor adaptation to optical prisms displacing the visual scene (prism adaptation, PA) is a method used for investigating visuo-motor plasticity in healthy individuals and, in clinical settings, for the rehabilitation of unilateral spatial neglect. In the standard paradigm, the adaptation phase involves repeated pointings to visual targets, while wearing optical prisms displacing the visual scene laterally. Here we explored differences in PA, and its aftereffects (AEs), as related to the sensory modality of the target. Visual, auditory, and multisensory - audio-visual - targets in the adaptation phase were used, while participants wore prisms displacing the visual field rightward by 10 degrees . Proprioceptive, visual, visual-proprioceptive, auditory-proprioceptive straight-ahead shifts were measured. Pointing to auditory and to audio-visual targets in the adaptation phase produces proprioceptive, visual-proprioceptive, and auditory-proprioceptive AEs, as the typical visual targets did. This finding reveals that cross-modal plasticity effects involve both the auditory and the visual modality, and their interactions (Experiment 1). Even a shortened PA phase, requiring only 24 pointings to visual and audio-visual targets (Experiment 2), is sufficient to bring about AEs, as compared to the standard 92-pointings procedure. Finally, pointings to auditory targets cause AEs, although PA with a reduced number of pointings (24) to auditory targets brings about smaller AEs, as compared to the 92-pointings procedure (Experiment 3). Together, results from the three experiments extend to the auditory modality the sensorimotor plasticity underlying the typical AEs produced by PA to visual targets. Importantly, PA to auditory targets appears characterized by less accurate pointings and error correction, suggesting that the auditory component of the PA process may be less central to the building up of the AEs, than the sensorimotor pointing activity per se. These findings highlight both the effectiveness of a reduced number of pointings for bringing about AEs, and the possibility of inducing PA with auditory targets, which may be used as a compensatory route in patients with visual deficits. PMID- 29213234 TI - Cognitive Mapping Based on Conjunctive Representations of Space and Movement. AB - It is a challenge to build robust simultaneous localization and mapping (SLAM) system in dynamical large-scale environments. Inspired by recent findings in the entorhinal-hippocampal neuronal circuits, we propose a cognitive mapping model that includes continuous attractor networks of head-direction cells and conjunctive grid cells to integrate velocity information by conjunctive encodings of space and movement. Visual inputs from the local view cells in the model provide feedback cues to correct drifting errors of the attractors caused by the noisy velocity inputs. We demonstrate the mapping performance of the proposed cognitive mapping model on an open-source dataset of 66 km car journey in a 3 km * 1.6 km urban area. Experimental results show that the proposed model is robust in building a coherent semi-metric topological map of the entire urban area using a monocular camera, even though the image inputs contain various changes caused by different light conditions and terrains. The results in this study could inspire both neuroscience and robotic research to better understand the neural computational mechanisms of spatial cognition and to build robust robotic navigation systems in large-scale environments. PMID- 29213235 TI - Changes in Predictive Task Switching with Age and with Cognitive Load. AB - Predictive control of movement is more efficient than feedback-based control, and is an important skill in everyday life. We tested whether the ability to predictively control movements of the upper arm is affected by age and by cognitive load. A total of 63 participants were tested in two experiments. In both experiments participants were seated, and controlled a cursor on a computer screen by flexing and extending their dominant arm. In Experiment 1, 20 young adults and 20 older adults were asked to continuously change the frequency of their horizontal arm movements, with the goal of inducing an abrupt switch between discrete movements (at low frequencies) and rhythmic movements (at high frequencies). We tested whether that change was performed based on a feed-forward (predictive) or on a feedback (reactive) control. In Experiment 2, 23 young adults performed the same task, while being exposed to a cognitive load half of the time via a serial subtraction task. We found that both aging and cognitive load diminished, on average, the ability of participants to predictively control their movements. Five older adults and one young adult under a cognitive load were not able to perform the switch between rhythmic and discrete movement (or vice versa). In Experiment 1, 40% of the older participants were able to predictively control their movements, compared with 70% in the young group. In Experiment 2, 48% of the participants were able to predictively control their movements with a cognitively loading task, compared with 70% in the no-load condition. The ability to predictively change a motor plan in anticipation of upcoming changes may be an important component in performing everyday functions, such as safe driving and avoiding falls. PMID- 29213236 TI - Embodied Cognition: A Challenging Road for Clinical Neuropsychology. PMID- 29213232 TI - Stress-Induced Chronic Visceral Pain of Gastrointestinal Origin. AB - Visceral pain is generally poorly localized and characterized by hypersensitivity to a stimulus such as organ distension. In concert with chronic visceral pain, there is a high comorbidity with stress-related psychiatric disorders including anxiety and depression. The mechanisms linking visceral pain with these overlapping comorbidities remain to be elucidated. Evidence suggests that long term stress facilitates pain perception and sensitizes pain pathways, leading to a feed-forward cycle promoting chronic visceral pain disorders such as irritable bowel syndrome (IBS). Early life stress (ELS) is a risk-factor for the development of IBS, however the mechanisms responsible for the persistent effects of ELS on visceral perception in adulthood remain incompletely understood. In rodent models, stress in adult animals induced by restraint and water avoidance has been employed to investigate the mechanisms of stress-induce pain. ELS models such as maternal separation, limited nesting, or odor-shock conditioning, which attempt to model early childhood experiences such as neglect, poverty, or an abusive caregiver, can produce chronic, sexually dimorphic increases in visceral sensitivity in adulthood. Chronic visceral pain is a classic example of gene * environment interaction which results from maladaptive changes in neuronal circuitry leading to neuroplasticity and aberrant neuronal activity-induced signaling. One potential mechanism underlying the persistent effects of stress on visceral sensitivity could be epigenetic modulation of gene expression. While there are relatively few studies examining epigenetically mediated mechanisms involved in visceral nociception, stress-induced visceral pain has been linked to alterations in DNA methylation and histone acetylation patterns within the brain, leading to increased expression of pro-nociceptive neurotransmitters. This review will discuss the potential neuronal pathways and mechanisms responsible for stress-induced exacerbation of chronic visceral pain. Additionally, we will review the importance of specific experimental models of adult stress and ELS in enhancing our understanding of the basic molecular mechanisms of pain processing. PMID- 29213237 TI - Effectiveness of Deferred Combined Androgen Blockade Therapy Predicts Efficacy in Abiraterone Acetate Treated Metastatic Castration-Resistant Prostate Cancer Patients after Docetaxel. AB - Introduction: Conventional anti-androgen regimens were widely used as an initiation or combined androgen blockade (CAB) therapy in advanced prostate cancer patients. Currently, new androgen pathway inhibitors such as abiraterone acetate (AA) and enzalutamide had been proven effective in metastatic castration resistant prostate cancer. In this study, we attempt to analyze the role of conventional anti-androgen drugs as deferred CAB therapy in castration-resistant prostate cancer patients. Materials and Methods: From 2012 to 2017, 48 metastatic castration-resistant prostate cancer (CRPC) patients who received sequential treatments with primary androgen blockade, oral anti-androgen regimens, and docetaxel followed by AA treatment were included. We defined effective deferred CAB as any decline of PSA after add-on antiandrogen after CRPC. Patients were separated into effective and ineffective deferred CAB. Comparison between two groups in the first line androgen deprivation therapy duration, CRPC PSA level, pre-AA PSA level, chemotherapy dosages, duration, and patients progression free survival and overall survival after AA treatment were analyzed. Results: Twenty three patients (47.9%) achieved PSA decline after deferred CAB. Among total 48 patients, 24 patients experienced PSA decline more than 50% after AA treatment. The median PSA progression-free survival and overall survival after AA treatment in the total cohort of 48 patients were 4.4 and 24.3 months, respectively. The effective deferred CAB group showed significantly lower PSA level, lower percentage of PSA progression, higher total follow-up duration, higher percentage of surviving patients, better progression free survival, and overall survival estimate after AA treatment. Of the eight variables analyzed, effectiveness in deferred CAB showed positive association to progression free survival (HR 0.29, 95% CI 0.12-0.67, p = 0.004) and overall survival (HR 0.24, 95% CI 0.07-0.81, p = 0.022). First line androgen deprivation therapy (ADT) duration also showed positive association to overall survival (HR 0.95, 95% CI 0.91-0.99, p = 0.023). Conclusions: Effectiveness of deferred CAB therapy was positively associated with progression free survival and overall survival of AA treatment after docetaxel. It can be used as a pre-treatment predictor. PMID- 29213238 TI - Electrophysiological and Pharmacological Analyses of Nav1.9 Voltage-Gated Sodium Channel by Establishing a Heterologous Expression System. AB - Nav1. 9 voltage-gated sodium channel is preferentially expressed in peripheral nociceptive neurons. Recent progresses have proved its role in pain sensation, but our understanding of Nav1.9, in general, has lagged behind because of limitations in heterologous expression in mammal cells. In this work, functional expression of human Nav1.9 (hNav1.9) was achieved by fusing GFP to the C-terminal of hNav1.9 in ND7/23 cells, which has been proved to be a reliable method to the electrophysiological and pharmacological studies of hNav1.9. By using the hNav1.9 expression system, we investigated the electrophysiological properties of four mutations of hNav1.9 (K419N, A582T, A842P, and F1689L), whose electrophysiological functions have not been determined yet. The four mutations significantly caused positive shift of the steady-state fast inactivation and therefore increased hNav1.9 activity, consistent with the phenotype of painful peripheral neuropathy. Meanwhile, the effects of inflammatory mediators on hNav1.9 were also investigated. Impressively, histamine was found for the first time to enhance hNav1.9 activity, indicating its vital role in hNav1.9 modulating inflammatory pain. Taken together, our research provided a useful platform for hNav1.9 studies and new insight into mechanism of hNav1.9 linking to pain. PMID- 29213239 TI - Dynamic Editome of Zebrafish under Aminoglycosides Treatment and Its Potential Involvement in Ototoxicity. AB - RNA editing is an important co- and post-transcriptional event that generates RNA and protein diversity. Aminoglycosides are a group of bactericidal antibiotics and a mainstay of antimicrobial therapy for several life-threatening infections. However, aminoglycosides can induce ototoxicity, resulting in damage to the organs responsible for hearing and balance. At low concentrations, aminoglycosides can bind to many RNA sequences and critically influence RNA editing. We used a bioinformatics approach to investigate the effect of aminoglycosides on global mRNA editing events to gain insight into the interactions between mRNA editing and aminoglycoside ototoxicity. We identified 6,850 mRNA editing sites in protein coding genes in embryonic zebrafish, and in about 10% of these, the degree of RNA editing changed more than 15% under aminoglycosides treatment. Twelve ear-development or ototoxicity related genes, including plekhm1, fgfr1a, sox9a, and calrl2, exhibited remarkable changes in mRNA editing levels in zebrafish treated with aminoglycosides. Our results indicate that aminoglycosides may have a widespread and complicated influence on the progress of mRNA editing and expression. Furthermore, these results highlight the potential importance of mRNA editing in the pathogenesis and etiology of aminoglycoside-induced ototoxicity. PMID- 29213240 TI - Dipeptidyl Peptidase-4 Inhibitors Use and Relative Risk of Ischemic Cerebrovascular Disease in Type 2 Diabetic Patients in a Case-Control Study. AB - Background and Objectives: Limited research focuses on the risk of ischemic cerebrovascular disease associated with use of dipeptidyl peptidase-4 inhibitors (DPP-4 inhibitors) in patients with type 2 diabetes mellitus in Taiwan. This study aimed to investigate the association between DPP-4 inhibitors use and the first episode of ischemic cerebrovascular disease. Methods: We designed a case control study using the database of the Taiwan National Health Insurance Program. There were 1999 type 2 diabetic subjects aged 20-84 years with the first episode of ischemic cerebrovascular disease from 2000 to 2013 as the cases, and 7996 sex- and age-matched, randomly selected type 2 diabetic subjects aged 20-84 years without any type of cerebrovascular diseases as the matched controls. We estimated the odds ratio (OR) and 95% confidence interval (CI) of ischemic cerebrovascular disease associated with cumulative duration of DPP-4 inhibitors use by the multivariable logistic regression model. Results: After adjustment for confounding variables, the adjusted OR of ischemic cerebrovascular disease was 0.96 (95% CI 0.95, 0.97) in subjects with ever use of DPP-4 inhibitors as increase in use duration for every 1 month, compared with never use. The sub analysis disclosed that the adjusted ORs of ischemic cerebrovascular disease were 1.57 (95% CI 1.36, 1.80) for subjects with cumulative duration of DPP-4 inhibitors use <1 year, and 0.70 (95% CI 0.57, 0.87) for subjects with cumulative duration of DPP-4 inhibitors use >=1 year, compared with never use. Conclusion: Our findings suggest that DPP-4 inhibitors use correlates with relative risk reduction of the first episode of ischemic cerebrovascular disease in type 2 diabetic patients in a duration-dependent response. The beneficial effect will be marked when DPP-4 inhibitors use is >=1 year. PMID- 29213241 TI - Interaction of Purinergic P2X4 and P2X7 Receptor Subunits. AB - P2X4 and P2X7 are members of the P2X receptor family, comprising seven isoforms (P2X1-P2X7) that form homo- and heterotrimeric non-specific cation channels gated by extracellular ATP. P2X4 and P2X7 are widely coexpressed, particularly in secretory epithelial cells and immune and inflammatory cells, and regulate inflammation and nociception. Although functional heteromerization has been established for P2X2 and P2X3 subunits expressed in sensory neurons, there are contradictory reports regarding a functional interaction between P2X4 and P2X7 subunits. To resolve this issue, we coexpressed P2X4 and P2X7 receptor subunits labeled with green (EGFP) and red (TagRFP) fluorescent proteins in Xenopus laevis oocytes and investigated a putative physical interaction between the fusion proteins by Forster resonance energy transfer (FRET). Coexpression of P2X4 and P2X7 subunits with EGFP and TagRFP located in the extracellular receptor domains led to significant FRET signals. Significant FRET signals were also measured between C-terminally fluorophore-labeled full-length P2X41-384 and C-terminally truncated fluorescent P2X71-408 subunits. We furthermore used the two-electrode voltage clamp technique to investigate whether human P2X4 and P2X7 receptors (hP2X4, hP2X7) functionally interact at the level of ATP-induced whole-cell currents. Concentration-response curves and effects of ivermectin (P2X4 potentiating drug) or BzATP (P2X7-specific agonist) were consistent with a model in which coexpressed hP2X4 and hP2X7 do not interact. Similarly, the effect of adding specific inhibitors of P2X4 (PSB-15417) or P2X7 (oATP, A438079) could be explained by a model in which only homomers exist, and that these are blocked by the respective antagonist. In conclusion, we show that P2X4 and P2X7 subunits can form heterotrimeric P2X4/P2X7 receptors. However, unlike observations for P2X2 and P2X3, coexpression of P2X4 and P2X7 subunits does not result in a novel electrophysiologically discriminable P2X receptor phenotype. PMID- 29213242 TI - Case-Control Study Examining the Association between Selective Serotonin Reuptake Inhibitors Use and Hepatocellular Carcinoma. AB - Objectives: The purpose of the study was to assess the relationship between selective serotonin reuptake inhibitors use and hepatocellular carcinoma in Taiwan. Methods: Using the database of the Taiwan National Health Insurance Program, we conducted a case-control study to identify 4901 subjects aged 20 years and more with newly diagnosed hepatocellular carcinoma in 2000-2013 as the cases. We randomly selected 19604 subjects aged 20 years and more without hepatocellular carcinoma as the controls. Both cases and controls were matched with sex and age. Ever use of selective serotonin reuptake inhibitors was defined as a subject who had at least a prescription for selective serotonin reuptake inhibitors before index date. Never use was defined as a subject who never had a prescription for selective serotonin reuptake inhibitors before index date. The odds ratio (OR) and 95% confidence interval (CI) for hepatocellular carcinoma associated with selective serotonin reuptake inhibitors use was estimated by the multivariable logistic regression model. Results: Among subjects with any one of the comorbid conditions associated with hepatocellular carcinoma, the adjusted OR of hepatocellular carcinoma was 0.89 (95% CI 0.75, 1.06) for subjects with ever use of selective serotonin reuptake inhibitors, comparing with never use. Conclusion: The findings indicate that among subjects with any one of the comorbid conditions associated with hepatocellular carcinoma, no significant association can be detected between selective serotonin reuptake inhibitors use and hepatocellular carcinoma. PMID- 29213243 TI - Mechanism of Chinese Medicine Herbs Effects on Chronic Heart Failure Based on Metabolic Profiling. AB - Chronic heart failure (CHF) is a major public health problem in huge population worldwide. The detailed understanding of CHF mechanism is still limited. Zheng (syndrome) is the criterion of diagnosis and therapeutic in Traditional Chinese Medicine (TCM). Syndrome prediction may be a better approach for understanding of CHF mechanism basis and its treatment. The authors studied disturbed metabolic biomarkers to construct a predicting mode to assess the diagnostic value of different syndrome of CHF and explore the Chinese herbal medicine (CHM) efficacy on CHF patients. A cohort of 110 patients from 11 independent centers was studied and all patients were divided into 3 groups according to TCM syndrome differentiation: group of Qi deficiency syndrome, group of Qi deficiency and Blood stasis syndrome, and group of Qi deficiency and Blood stasis and Water retention syndrome. Plasma metabolomic profiles were determined by UPLC-TOF/MS and analyzed by multivariate statistics. About 6 representative metabolites were highly possible to be associated with CHF, 4, 7, and 5 metabolites with Qi deficiency syndrome, Qi deficiency and Blood stasis syndrome, and Qi deficiency and Blood stasis and Water retention syndrome (VIP > 1, p < 0.05). The diagnostic model was further constructed based on the metabolites to diagnose other CHF patients with satisfying sensitivity and specificity (sensitivity and specificity are 97.1 and 80.6% for CHF group vs. NH group; 97.1 and 80.0% for QD group vs. NH group; 97.1 and 79.5% for QB group vs. NH group; 97.1 and 88.9% for QBW group vs. NH group), validating the robustness of plasma metabolic profiling to diagnostic strategy. By comparison of the metabolic profiles, 9 biomarkers, 2 arachidonoylglycerophosphocholine, LysoPE 16:0, PS 21:0, LysoPE 20:4, LysoPE 18:0, linoleic acid, LysoPE 18:2, 4-hydroxybenzenesulfonic acid, and LysoPE 22:6, may be especially for the effect of CHM granules. A predicting model was attempted to construct and predict patient based on the related symptoms of CHF and the potential biomarkers regulated by CHM were explored. This trial was registered with NCT01939236 (https://clinicaltrials.gov/). PMID- 29213244 TI - Virus-Infected Plants Altered the Host Selection of Encarsia formosa, a Parasitoid of Whiteflies. AB - The sweetpotato whitefly Bemisia tabaci (Gennadius) is one of the most invasive pest species worldwide. Q and B biotypes are the two most devastating species within the B. tabaci complex. Bemisia tabaci can vector hundreds of plant viruses that seriously threaten crop production. Endoparasitoid, Encarsia formosa Gahan, is widely used to control whiteflies, however, little is known about the effects of virus-infected plants on E. formosa parasitism of B. tabaci. Here, we reported that tomato, which was infected with Tomato Yellow Leaf Curl Virus (TYLCV), altered the host selection of E. formosa between B. tabaci Q and B biotypes. On healthy tomato plants, parasitism and host selection by E. formosa did not differ between the 3rd-instar nymphs of B. tabaci Q and B biotypes. On TYLCV-infected tomato plants, however, B. tabaci Q biotype were significantly more attractive to E. formosa than B biotype. When TYLCV-infected tomato plants were infested with B. tabaci Q or B biotype, volatile profiles differed quantitatively but not qualitatively. Olfactometer assays suggested that the preference of E. formosa to Q over B biotype was associated with an elevated level of beta-Myrcene, beta Ocimene, beta-Caryophyllene, and alpha-Humulene from TYLCV-infected tomato plants. PMID- 29213246 TI - The Influence of Footwear on the Modular Organization of Running. AB - For most of our history, we predominantly ran barefoot or in minimalist shoes. The advent of modern footwear, however, might have introduced alterations in the motor control of running. The present study investigated shod and barefoot running under the perspective of the modular organization of muscle activation, in order to help addressing the neurophysiological factors underlying human locomotion. On a treadmill, 20 young and healthy inexperienced barefoot runners ran shod and barefoot at preferred speed (2.8 +/- 0.4 m/s). Fundamental synergies, containing the time-dependent activation coefficients (motor primitives) and the time-invariant muscle weightings (motor modules), were extracted from 24 ipsilateral electromyographic activities using non-negative matrix factorization. In shod running, the average foot strike pattern was a rearfoot strike, while in barefoot running it was a mid-forefoot strike. In both conditions, five fundamental synergies were enough to describe as many gait cycle phases: weight acceptance, propulsion, arm swing, early swing and late swing. We found the motor primitives to be generally shifted earlier in time during the stance-related phases and later in the swing-related ones in barefoot running. The motor primitive describing the propulsion phase was significantly of shorter duration (peculiarity confirmed by the analysis of the spinal motor output). The arm swing primitive, instead, was significantly wider in the barefoot condition. The motor modules demonstrated analogous organization with some significant differences in the propulsion, arm swing and late swing synergies. Other than to the trivial absence of shoes, the differences might be deputed to the lower ankle gear ratio (and the consequent increased system instability) and to the higher recoil capabilities of the longitudinal foot arch during barefoot compared to shod running. PMID- 29213247 TI - Mediating Effects of Global Negative Effect Expectancies on the Association between Problematic Cannabis Use and Social Anxiety. AB - The relationship between social anxiety (SA) and cannabis use among adolescents and young adults is a highly debated topic. In this cross-sectional study, we tested whether cannabis use expectancies mediated the association between SA and cannabis use severity in a sample of 343 young adults (74.3% male) who used cannabis. They completed self-report measures for the screening of problematic cannabis use (Cannabis Use Problems Identification Test) and SA symptoms (Social Interaction Anxiety Scale and Social Phobia Scale). A multiple mediation analysis was used to test whether marijuana effect expectancies mediate SA effect on problematic cannabis use. SA was negatively associated with cannabis use severity in this sample, and we found evidence that cannabis use expectancies fully mediated this relationship. Specifically, global negative effect expectancies influence the relationship between SA and problematic cannabis use. These findings may inform current prevention strategies and clinical intervention for young adults who use cannabis. PMID- 29213245 TI - Implication of Free Fatty Acids in Thrombin Generation and Fibrinolysis in Vascular Inflammation in Zucker Rats and Evolution with Aging. AB - Background: The metabolic syndrome (MetS) and aging are associated with modifications in blood coagulation factors, vascular inflammation, and increased risk of thrombosis. Objectives: Our aim was to determine concomitant changes in thrombin generation in the blood compartment and at the surface of vascular smooth muscle cells (VSMCs) and its interplay with adipokines, free fatty acids (FFA), and metalloproteinases (MMPs) in obese Zucker rats that share features of the human MetS. Methods: Obese and age-matched lean Zucker rats were compared at 25 and 80 weeks of age. Thrombin generation was assessed by calibrated automated thrombography (CAT). Results: Endogenous thrombin potential (ETP) was increased in obese rats independent of platelets and age. Clot half-lysis time was delayed with obesity and age. Interleukin (IL)-1beta and IL-13 were increased with obesity and age respectively. Addition of exogenous fibrinogen, leptin, linoleic, or palmitic acid increased thrombin generation in plasma whereas adiponectin had an opposite effect. ETP was increased at the surface of VSMCs from obese rats and addition of exogenous palmitic acid further enhanced ETP values. Gelatinase activity was increased in aorta at both ages in obese rats and MMP-2 activity was increased in VSMCs from obese rats. Conclusions: Our study demonstrated in MetS an early prothrombotic phenotype of the blood compartment reinforced by procoagulant properties of dedifferentiated and inflammatory VSMCs. Mechanisms involved (1) increased fibrinogen and impaired fibrinolysis and (2) increased saturated fatty acids responsible for additive procoagulant effects. Whether specifically targeting this hypercoagulability using direct thrombin inhibitors would improve outcome in MetS is worth investigating. PMID- 29213248 TI - Impact of Diglossia on Word and Non-word Repetition among Language Impaired and Typically Developing Arabic Native Speaking Children. AB - The study tested the impact of the phonological and lexical distance between a dialect of Palestinian Arabic spoken in the north of Israel (SpA) and Modern Standard Arabic (StA or MSA) on word and non-word repetition in children with specific language impairment (SLI) and in typically developing (TD) age-matched controls. Fifty kindergarten children (25 SLI, 25 TD; mean age 5;5) and fifty first grade children (25 SLI, 25 TD; mean age 6:11) were tested with a repetition task for 1-4 syllable long real words and pseudo words; Items varied systematically in whether each encoded a novel StA phoneme or not, namely a phoneme that is only used in StA but not in the spoken dialect targeted. Real words also varied in whether they were lexically novel, meaning whether the word is used only in StA, but not in SpA. SLI children were found to significantly underperform TD children on all repetition tasks indicating a general phonological memory deficit. More interesting for the current investigation is the observed strong and consistent effect of phonological novelty on word and non word repetition in SLI and TD children, with a stronger effect observed in SLI. In contrast with phonological novelty, the effect of lexical novelty on word repetition was limited and it did not interact with group. The results are argued to reflect the role of linguistic distance in phonological memory for novel linguistic units in Arabic SLI and, hence, to support a specific Linguistic Distance Hypothesis of SLI in a diglossic setting. The implications of the findings for assessment, diagnosis and intervention with Arabic speaking children with SLI are discussed. PMID- 29213249 TI - Skewed Sociolinguistic Awareness of a Native Non-standard Dialect: Evidence from the Cypriot Greek Writing of Greek Cypriot Students. AB - Over the last 50 years, sociolinguistic research in settings in which a regional, social, or ethnic non-standard linguistic variety is used alongside the standard variety of the same language has steadily increased. The educational implications of the concomitant use of such varieties have also received a great deal of research attention. This study deals with regional linguistic variation and its implications for education by focusing on the Greek Cypriot educational context. This context is ideal for investigating the linguistic profiles of speakers of proximal varieties as the majority of Greek Cypriots are primarily educated in just one of their varieties: the standard educational variety. The aim of our study was to understand Greek Cypriot primary school pupils' sociolinguistic awareness via examination of their written production in their home variety [Cypriot Greek (CG) dialect]. Our assumption was that, because written production is less spontaneous than speech, it better reflects pupils' conscious awareness. Pupils were advised to produce texts that reflected their everyday language with family and friends (beyond school boundaries). As expected, students' texts included an abundance of mesolectal features and the following were the ten most frequent: (1) palato-alveolar consonants, (2) future particle [ena] and conditional [itan na] + subjunctive, (3) consonant devoicing, (4) CG-specific verb stems, (5) final [n] retention, (6) [en/ eni] instead of [ine], (7) CG specific verb endings, (8) [en/e] instead of [den], (9) elision of intervocalic fricative [gamma], and (10) CG-specific adverbs. Importantly, in addition to the expected mesolectal features that reflect contemporary CG, students included a significant and unexpected number of basilectal features and instances of hyperdialectism (that are not representative of today's linguistic reality) which rendered their texts register-inappropriate. This led us to conclude that Greek Cypriot students have a skewed sociolinguistic awareness of variation within their first dialect and a distorted impression of their own everyday language. We argue that the portrayal of CG in its basilectal form was performed intentionally by students in an effort to distance themselves from a socially constructed identity of a rural, uneducated, and stigmatized non-standard-dialect speaker. The study is of international relevance as it deals with sociolinguistic issues that pertain to all bidialectal speakers. PMID- 29213250 TI - Why Prediction Matters in Multitasking and How Predictability Can Improve It. PMID- 29213251 TI - Who Wants to Be an Intrapreneur? Relations between Employees' Entrepreneurial, Professional, and Leadership Career Motivations and Intrapreneurial Motivation in Organizations. AB - This paper reports an empirical study conducted to examine the relationship between employees' Entrepreneurial, Professional, and Leadership (EPL) career motivations and their intrapreneurial motivation. Using data collected from 425 working adults in the research/innovation and healthcare settings, we develop a self-report measure of employee intrapreneurial motivation. We also adapt an existing self-report measure of E, P, and L career motivations (previously developed and used with university students) for use with working adult organizational employees. Confirmatory factor analysis indicate that E, P, and L motivations and intrapreneurial motivation can be measured independently and reliably, while regression analyses show that the employees' E, P, and L motivations all contribute to explaining variance in their intrapreneurial motivation. Individuals with high E, P, and L motivational profiles are also found to have the highest intrapreneurial motivation scores, while those low on E, P, and L motivations have the least intrapreneurial motivation. Our findings suggest that the potential for intrapreneurship is not unique to only entrepreneurial employees. Instead, one can find intrapreneurs among employees with strong leadership and professional motivations as well. We discuss the findings in the context of generating more research to address the challenges of talent management in the 21st century knowledge economies where there is greater career mobility and boundarylessness in the workforce. PMID- 29213252 TI - Hemispheric Asymmetries in Price Estimation: Do Brain Hemispheres Attribute Different Monetary Values? AB - The Spatial Numerical Association of Response Codes (SNARC) effect has been associated with a wide range of magnitude processing. This effect is due to an implicit relationship between numbers and horizontal space, according to which weaker magnitudes and smaller numbers are represented on the left, whereas stronger magnitudes and larger numbers are represented on the right. However, for some particular type of magnitudes such as price, judgments may be also influenced by perceived quality and thus involving valence attribution biases driven by brain asymmetries. In the present study, a lateralized tachistoscopic presentation was used in a price estimation task, using a weight estimation task as a control, to assess differences in asymmetries between these two attributes. Results show a side bias in the former condition but not in the latter, thus indicating that other non-numerical mechanisms are involved in price estimation. Specifically, prices were estimated lower in the left visual field than in the right visual field. The proposed explanation is that price appraisal might involve a valence attribution mechanism leading to a better perceived quality (related to higher prices) when objects are processed primarily in the left hemisphere, and to a lower perceived quality (related to lower prices) when objects are processed primarily in the right hemisphere. PMID- 29213253 TI - The Role of Slow Wave Sleep in Memory Pathophysiology: Focus on Post-traumatic Stress Disorder and Eye Movement Desensitization and Reprocessing. PMID- 29213254 TI - Blue-Light Therapy following Mild Traumatic Brain Injury: Effects on White Matter Water Diffusion in the Brain. AB - Mild traumatic brain injury (mTBI) is a common and often inconspicuous wound that is frequently associated with chronic low-grade symptoms and cognitive dysfunction. Previous evidence suggests that daily blue wavelength light therapy may be effective at reducing fatigue and improving sleep in patients recovering from mTBI. However, the effects of light therapy on recovering brain structure remain unexplored. In this study, we analyzed white matter diffusion properties, including generalized fractional anisotropy, and the quantity of water diffusion in isotropic (i.e., isotropic diffusion) and anisotropic fashion (i.e., quantitative anisotropy, QA) for fibers crossing 11 brain areas known to be significantly affected following mTBI. Specifically, we investigated how 6 weeks of daily morning blue light exposure therapy (compared to an amber-light placebo condition) impacted changes in white matter diffusion in individuals with mTBI. We observed a significant impact of the blue light treatment (relative to the placebo) on the amount of water diffusion (QA) for multiple brain areas, including the corpus callosum, anterior corona radiata, and thalamus. Moreover, many of these changes were associated with improvements in sleep latency and delayed memory. These findings suggest that blue wavelength light exposure may serve as one of the potential non-pharmacological treatments for facilitating structural and functional recovery following mTBI; they also support the use of QA as a reliable neuro-biomarker for mTBI therapies. PMID- 29213255 TI - Evaluating Monitoring Strategies to Detect Precipitation-Induced Microbial Contamination Events in Karstic Springs Used for Drinking Water. AB - Monitoring of microbial drinking water quality is a key component for ensuring safety and understanding risk, but conventional monitoring strategies are typically based on low sampling frequencies (e.g., quarterly or monthly). This is of concern because many drinking water sources, such as karstic springs are often subject to changes in bacterial concentrations on much shorter time scales (e.g., hours to days), for example after precipitation events. Microbial contamination events are crucial from a risk assessment perspective and should therefore be targeted by monitoring strategies to establish both the frequency of their occurrence and the magnitude of bacterial peak concentrations. In this study we used monitoring data from two specific karstic springs. We assessed the performance of conventional monitoring based on historical records and tested a number of alternative strategies based on a high-resolution data set of bacterial concentrations in spring water collected with online flow cytometry (FCM). We quantified the effect of increasing sampling frequency and found that for the specific case studied, at least bi-weekly sampling would be needed to detect precipitation events with a probability of >90%. We then proposed an optimized monitoring strategy with three targeted samples per event, triggered by precipitation measurements. This approach is more effective and efficient than simply increasing overall sampling frequency. It would enable the water utility to (1) analyze any relevant event and (2) limit median underestimation of peak concentrations to approximately 10%. We conclude with a generalized perspective on sampling optimization and argue that the assessment of short-term dynamics causing microbial peak loads initially requires increased sampling/analysis efforts, but can be optimized subsequently to account for limited resources. This offers water utilities and public health authorities systematic ways to evaluate and optimize their current monitoring strategies. PMID- 29213256 TI - Determinism and Contingency Shape Metabolic Complementation in an Endosymbiotic Consortium. AB - Bacterial endosymbionts and their insect hosts establish an intimate metabolic relationship. Bacteria offer a variety of essential nutrients to their hosts, whereas insect cells provide the necessary sources of matter and energy to their tiny metabolic allies. These nutritional complementations sustain themselves on a diversity of metabolite exchanges between the cell host and the reduced yet highly specialized bacterial metabolism-which, for instance, overproduces a small set of essential amino acids and vitamins. A well-known case of metabolic complementation is provided by the cedar aphid Cinara cedri that harbors two co primary endosymbionts, Buchnera aphidicola BCc and Ca. Serratia symbiotica SCc, and in which some metabolic pathways are partitioned between different partners. Here we present a genome-scale metabolic network (GEM) for the bacterial consortium from the cedar aphid iBSCc. The analysis of this GEM allows us the confirmation of cases of metabolic complementation previously described by genome analysis (i.e., tryptophan and biotin biosynthesis) and the redefinition of an event of metabolic pathway sharing between the two endosymbionts, namely the biosynthesis of tetrahydrofolate. In silico knock-out experiments with iBSCc showed that the consortium metabolism is a highly integrated yet fragile network. We also have explored the evolutionary pathways leading to the emergence of metabolic complementation between reduced metabolisms starting from individual, complete networks. Our results suggest that, during the establishment of metabolic complementation in endosymbionts, adaptive evolution is significant in the case of tryptophan biosynthesis, whereas vitamin production pathways seem to adopt suboptimal solutions. PMID- 29213257 TI - Bacterial Community Dynamics in Dichloromethane-Contaminated Groundwater Undergoing Natural Attenuation. AB - The uncontrolled release of the industrial solvent methylene chloride, also known as dichloromethane (DCM), has resulted in widespread groundwater contamination in the United States. Here we investigate the role of groundwater bacterial communities in the natural attenuation of DCM at an undisclosed manufacturing site in New Jersey. This study investigates the bacterial community structure of groundwater samples differentially contaminated with DCM to better understand the biodegradation potential of these autochthonous bacterial communities. Bacterial community analysis was completed using high-throughput sequencing of the 16S rRNA gene of groundwater samples (n = 26) with DCM contamination ranging from 0.89 to 9,800,000 MUg/L. Significant DCM concentration-driven shifts in overall bacterial community structure were identified between samples, including an increase in the abundance of Firmicutes within the most contaminated samples. Across all samples, a total of 6,134 unique operational taxonomic units (OTUs) were identified, with 16 taxa having strong correlations with increased DCM concentration. Putative DCM degraders such as Pseudomonas, Dehalobacterium and Desulfovibrio were present within groundwater across all levels of DCM contamination. Interestingly, each of these taxa dominated specific DCM contamination ranges respectively. Potential DCM degrading lineages yet to be cited specifically as a DCM degrading organisms, such as the Desulfosporosinus, thrived within the most heavily contaminated groundwater samples. Co-occurrence network analysis revealed aerobic and anaerobic bacterial taxa with DCM-degrading potential were present at the study site. Our 16S rRNA gene survey serves as the first in situ bacterial community assessment of contaminated groundwater harboring DCM concentrations ranging over seven orders of magnitude. Diversity analyses revealed known as well as potentially novel DCM degrading taxa within defined DCM concentration ranges, indicating niche-specific responses of these autochthonous populations. Altogether, our findings suggest that monitored natural attenuation is an appropriate remediation strategy for DCM contamination, and that high-throughput sequencing technologies are a robust method for assessing the potential role of biodegrading bacterial assemblages in the apparent reduction of DCM concentrations in environmental scenarios. PMID- 29213258 TI - The Complexity of Antibody Responses Elicited against the Respiratory Syncytial Virus Glycoproteins in Hospitalized Children Younger than 2 Years. AB - The influence of age and maternal antibodies on the antibody responses to human respiratory syncytial virus (hRSV) glycoproteins in very young children has been a matter of controversy. Both, immaturity of the immune system at very early age and suppression of the host immune response by high level of maternal antibodies have been claimed to limit the host antibody response to virus infection and to jeopardize the use of hRSV vaccines under development in that age group. Hence, the antibody responses to the two major hRSV glycoproteins (F and G) were evaluated in children younger than 2 years, hospitalized with laboratory confirmed hRSV bronchiolitis. A strong negative correlation was found between the titre of circulating ELISA antibodies directed against either prefusion or postfusion F in the acute phase, but not age, and their fold change at convalescence. These changes correlated also with the level of circulating neutralizing antibodies in sera. As reported in adults, most neutralizing antibodies in a subset of tested sera could not be depleted with postfusion F, suggesting that they were mostly directed against prefusion-specific epitopes. In contrast, a weak negative association was found for group-specific anti-G antibodies in the acute phase and their fold change at convalescence only after correcting for the antigenic group of the infecting virus. In addition, large discrepancies were observed in some individuals between the antibody responses specific for F and G glycoproteins. These results illustrate the complexity of the anti-hRSV antibody responses in children experiencing a primary severe infection and the influence of preexisting maternal antibodies on the host response, factors that should influence hRSV serological studies as well as vaccine development. PMID- 29213259 TI - Characterization of a Suppressive Cis-acting Element in the Epstein-Barr Virus LMP1 Promoter. AB - Latent membrane protein 1 (LMP1) is a major oncogene encoded by Epstein-Barr virus (EBV) and is essential for immortalization of B cells by the virus. Previous studies suggested that several transcription factors, such as PU.1, RBP Jkappa, NFkappaB, EBF1, AP-2 and STAT, are involved in LMP1 induction; however, the means by which the oncogene is negatively regulated remains unclear. Here, we introduced short mutations into the proximal LMP1 promoter that includes recognition sites for the E-box and Ikaros transcription factors in the context of EBV-bacterial artificial chromosome. Upon infection, the mutant exhibited increased LMP1 expression and EBV-mediated immortalization of B cells. However, single mutations of either the E-box or Ikaros sites had limited effects on LMP1 expression and transformation. Our results suggest that this region contains a suppressive cis-regulatory element, but other transcriptional repressors (apart from the E-box and Ikaros transcription factors) may remain to be discovered. PMID- 29213260 TI - Increased Denitrification Rates Associated with Shifts in Prokaryotic Community Composition Caused by Varying Hydrologic Connectivity. AB - While modern developments in agriculture have allowed for increases in crop yields and rapid human population growth, they have also drastically altered biogeochemical cycles, including the biotransformation of nitrogen. Denitrification is a critical process performed by bacteria and fungi that removes nitrate in surface waters, thereby serving as a potential natural remediation strategy. We previously reported that constant inundation resulted in a coupling of denitrification gene abundances with denitrification rates in sediments, but these relationships were not maintained in periodically-inundated or non-inundated environments. In this study, we utilized Illumina next generation sequencing to further evaluate how the microbial community responds to these hydrologic regimes and how this community is related to denitrification rates at three sites along a creek in an agricultural watershed over 2 years. The hydrologic connectivity of the sampling location had a significantly greater influence on the denitrification rate (P = 0.010), denitrification gene abundances (P < 0.001), and the prokaryotic community (P < 0.001), than did other spatiotemporal factors (e.g., creek sample site or sample month) within the same year. However, annual variability among denitrification rates was also observed (P < 0.001). Furthermore, the denitrification rate was significantly positively correlated with water nitrate concentration (Spearman's rho = 0.56, P < 0.0001), denitrification gene abundances (rho = 0.23-0.47, P <= 0.006), and the abundances of members of the families Burkholderiaceae, Anaerolinaceae, Microbacteriaceae, Acidimicrobineae incertae sedis, Cytophagaceae, and Hyphomicrobiaceae (rho = 0.17 0.25, P <= 0.041). Prokaryotic community composition accounted for the least amount of variation in denitrification rates (22%), while the collective influence of spatiotemporal factors and gene abundances accounted for 37%, with 40% of the variation related to interactions among all parameters. Results of this study suggest that the hydrologic connectivity at each location had a greater effect on the prokaryotic community than did spatiotemporal differences, where inundation is associated with shifts favoring increased denitrification potential. We further establish that while complex interactions among the prokaryotic community influence denitrification, the link between hydrologic connectivity, microbial community composition, and genetic potential for biogeochemical cycling is a promising avenue to explore hydrologic remediation strategies such as periodic flooding. PMID- 29213261 TI - Antibiotic-Induced Alterations in Gut Microbiota Are Associated with Changes in Glucose Metabolism in Healthy Mice. AB - The gut microbiome plays an important role in health and disease. Antibiotics are known to alter gut microbiota, yet their effects on glucose tolerance in lean, normoglycemic mice have not been widely investigated. In this study, we aimed to explore mechanisms by which treatment of lean mice with antibiotics (ampicillin, metronidazole, neomycin, vancomycin, or their cocktail) influences the microbiome and glucose metabolism. Specifically, we sought to: (i) study the effects on body weight, fasting glucose, glucose tolerance, and fasting insulin, (ii) examine the changes in expression of key genes of the bile acid and glucose metabolic pathways in the liver and ileum, (iii) identify the shifts in the cecal microbiota, and (iv) infer interactions between gene expression, microbiome, and the metabolic parameters. Treatment with individual or a cocktail of antibiotics reduced fasting glucose but did not affect body weight. Glucose tolerance changed upon treatment with cocktail, ampicillin, or vancomycin as indicated by reduced area under the curve of the glucose tolerance test. Antibiotic treatment changed gene expression in the ileum and liver, and shifted the alpha and beta diversities of gut microbiota. Network analyses revealed associations between Akkermansia muciniphila with fasting glucose and liver farsenoid X receptor (Fxr) in the top ranked host-microbial interactions, suggesting possible mechanisms by which this bacterium can mediate systemic changes in glucose metabolism. We observed Bacteroides uniformis to be positively and negatively correlated with hepatic Fxr and Glucose 6-phosphatase, respectively. Overall, our transkingdom network approach is a useful hypothesis generating strategy that offers insights into mechanisms by which antibiotics can regulate glucose tolerance in non-obese healthy animals. Experimental validation of our predicted microbe-phenotype interactions can help identify mechanisms by which antibiotics affect host phenotypes and gut microbiota. PMID- 29213262 TI - The Oxidative Stress Agent Hypochlorite Stimulates c-di-GMP Synthesis and Biofilm Formation in Pseudomonas aeruginosa. AB - The opportunistic human pathogen Pseudomonas aeruginosa is able to survive under a variety of often harmful environmental conditions due to a multitude of intrinsic and adaptive resistance mechanisms, including biofilm formation as one important survival strategy. Here, we investigated the adaptation of P. aeruginosa PAO1 to hypochlorite (HClO), a phagocyte-derived host defense compound and frequently used disinfectant. In static biofilm assays, we observed a significant enhancement in initial cell attachment in the presence of sublethal HClO concentrations. Subsequent LC-MS analyses revealed a strong increase in cyclic-di-GMP (c-di-GMP) levels suggesting a key role of this second messenger in HClO-induced biofilm development. Using DNA microarrays, we identified a 26-fold upregulation of ORF PA3177 coding for a putative diguanylate cyclase (DGC), which catalyzes the synthesis of the second messenger c-di-GMP - an important regulator of bacterial motility, sessility and persistence. This DGC PA3177 was further characterized in more detail demonstrating its impact on P. aeruginosa motility and biofilm formation. In addition, cell culture assays attested a role for PA3177 in the response of P. aeruginosa to human phagocytes. Using a subset of different mutants, we were able to show that both Pel and Psl exopolysaccharides are effectors in the PA3177-dependent c-di-GMP network. PMID- 29213263 TI - Scoring Targets of Transcription in Bacteria Rather than Focusing on Individual Binding Sites. AB - Reliable identification of targets of bacterial regulators is necessary to understand bacterial gene expression regulation. These targets are commonly predicted by searching for high-scoring binding sites in the upstream genomic regions, which typically leads to a large number of false positives. In contrast to the common approach, here we propose a novel concept, where overrepresentation of the scoring distribution that corresponds to the entire searched region is assessed, as opposed to predicting individual binding sites. We explore two implementations of this concept, based on Kolmogorov-Smirnov (KS) and Anderson Darling (AD) tests, which both provide straightforward P-value estimates for predicted targets. This approach is implemented for pleiotropic bacterial regulators, including sigma70 (bacterial housekeeping sigma factor) target predictions, which is a classical bioinformatics problem characterized by low specificity. We show that KS based approach is both faster and more accurate, departing from the current paradigm of AD being slower, but more accurate. Moreover, KS approach leads to a significant increase in the search accuracy compared to the standard approach, while at the same time straightforwardly assigning well established P-values to each potential target. Consequently, the new KS based method proposed here, which assigns P-values to fixed length upstream regions, provides a fast and accurate approach for predicting bacterial transcription targets. PMID- 29213264 TI - A Novel Halotolerant Thermoalkaliphilic Esterase from Marine Bacterium Erythrobacter seohaensis SW-135. AB - A novel esterase gene, e69, was cloned from Erythrobacter seohaensis SW-135, which was isolated from a tidal flat sediment of the Yellow Sea in Korea. This gene is 825 bp in length and codes for a 29.54 kDa protein containing 274 amino acids. Phylogenetic analysis showed that E69 is a new member of the bacterial lipolytic enzyme family IV. This enzyme exhibited the highest level of activity toward p-nitrophenyl (NP) butyrate but little or no activity toward the other p NP esters tested. The optimum temperature and pH of the catalytic activity of E69 were 60 degrees C and pH 10.5, respectively. The enzyme exhibited stable activity over a wide range of alkaline pH values (7.5-9.5). In addition, E69 was found to be a halotolerant esterase as it exhibited the highest hydrolytic activity in the presence of 0.5 M NaCl and was still active in the presence of 3 M NaCl. Moreover, it possessed some degree of tolerance to Triton X-100 and several organic solvents. Through homology modeling and comparison with other esterases, it was suggested that the absence of the cap domain and its narrow substrate binding pocket might be responsible for its narrow substrate specificity. Sequence and structural analysis results suggested that its high ratio of negatively to positively charged residues, large hydrophobic surface area, and negative electrostatic potential on the surface may be responsible for its alkaline adaptation. The results of this study provide insight into marine alkaliphilic esterases, and the unique properties of E69 make it a promising candidate as a biocatalyst for industrial applications. PMID- 29213265 TI - Lactobacillus plantarum MYS6 Ameliorates Fumonisin B1-Induced Hepatorenal Damage in Broilers. AB - Fumonisin B1 (FB1), a mycotoxin produced by Fusarium species is a predominant Group 2B carcinogen occurring in maize and maize-based poultry feeds. It is shown to be nephrotoxic, hepatotoxic, neurotoxic, and immunosuppressing in animals. In this study, we report the ameliorating effects of a probiotic strain, Lactobacillus plantarum MYS6 on FB1-induced toxicity and oxidative damage in broilers. A 6-week dietary experiment consisting of 48 broilers was performed in six treatment groups. Probiotic treatment (109 cells/mL) involved pre colonization of broilers with L. plantarum MYS6 while co-administration treatment involved supplementation of probiotic and FB1-contaminated diet (200 mg/Kg feed) simultaneously. At the end of the treatment period, growth performance, hematology, serum biochemistry, and markers of oxidative stress in serum and tissue homogenates were evaluated in all the broilers. The histopathological changes in hepatic and renal tissues were further studied. The results demonstrated that administration of L. plantarum MYS6 efficiently improved the feed intake, body weight and feed conversion ratio in broilers. It mitigated the altered levels of hematological indices such as complete blood count, hemoglobin, and hematocrit. Serum parameters such as serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase, creatinine, cholesterol, triglycerides, and albumin were significantly restored after administering the probiotic in FB1 intoxicated broilers. Additionally, L. plantarum MYS6 alleviated the levels of oxidative stress markers in serum and tissue homogenate of liver. The histopathological data of liver and kidney further substantiated the overall protection offered by L. plantarum MYS6 against FB1-induced cellular toxicity and organ damage in broilers. Our results indicated that co-administration of probiotic along with the toxin had better effect in detoxification compared to its pre-colonization in broilers. Collectively, our study signifies the protective role of L. plantarum MYS6 in ameliorating the FB1-induced toxicity in the vital organs and subsequent oxidative stress in broilers. The probiotic L. plantarum MYS6 can further be formulated into a functional feed owing to its anti fumonisin attributes and role in mitigating FB1-induced hepatorenal damage. PMID- 29213266 TI - Taxonomic and Functional Differences between Microbial Communities in Qinghai Lake and Its Input Streams. AB - Understanding microbial communities in terms of taxon and function is essential to decipher the biogeochemical cycling in aquatic ecosystems. Lakes and their input streams are highly linked. However, the differences between microbial assemblages in streams and lakes are still unclear. In this study, we conducted an intensive field sampling of microbial communities from lake water and stream biofilms in the Qinghai Lake watershed, the largest lake in China. We determined bacterial communities using high-throughput 16S rRNA gene sequencing and predicted functional profiles using PICRUSt to determine the taxonomic and functional differences between microbial communities in stream biofilms and lake water. The results showed that stream biofilms and lake water harbored distinct microbial communities. The microbial communities were different taxonomically and functionally between stream and lake. Moreover, streams biofilms had a microbial network with higher connectivity and modularity than lake water. Functional beta diversity was strongly correlated with taxonomic beta diversity in both the stream and lake microbial communities. Lake microbial assemblages displayed greater predicted metabolic potentials of many metabolism pathways while the microbial assemblages in stream biofilms were more abundant in xenobiotic biodegradation and metabolism and lipid metabolism. Furthermore, lake microbial assemblages had stronger predicted metabolic potentials in amino acid metabolism, carbon fixation, and photosynthesis while stream microbial assemblages were higher in carbohydrate metabolism, oxidative phosphorylation, and nitrogen metabolism. This study adds to our knowledge of stream-lake linkages from the functional and taxonomic composition of microbial assemblages. PMID- 29213267 TI - Revealing the Complexity in CD8 T Cell Responses to Infection in Inbred C57B/6 versus Outbred Swiss Mice. AB - Recent work has suggested that current mouse models may underrepresent the complexity of human immune responses. While most mouse immunology studies utilize inbred mouse strains, it is unclear if conclusions drawn from inbred mice can be extended to all mouse strains or generalized to humans. We recently described a "surrogate activation marker" approach that could be used to track polyclonal CD8 T cell responses in inbred and outbred mice and noted substantial discord in the magnitude and kinetics of CD8 T cell responses in individual outbred mice following infection. However, how the memory CD8 T cell response develops following infection and the correlates of memory CD8 T cell-mediated protection against re-infection in outbred mice remains unknown. In this study, we investigated development of pathogen-specific memory CD8 T cell responses in inbred C57B/6 and outbred National Institutes of Health Swiss mice following lymphocytic choriomeningitis virus or L. monocytogenes infection. Interestingly, the size of the memory CD8 T cell pool generated and rate of phenotypic progression was considerably more variable in individual outbred compared to inbred mice. Importantly, while prior infection provided both inbred and outbred cohorts of mice with protection against re-infection that was dependent on the dose of primary infection, levels of memory CD8 T cells generated and degree of protection against re-infection did not correlate with primary infection dose in all outbred mice. While variation in CD8 T cell responses to infection is not entirely surprising due to the genetic diversity present, analysis of infection induced immunity in outbred hosts may reveal hidden complexity in CD8 T cell responses in genetically diverse populations and might help us further bridge the gap between mouse and human studies. PMID- 29213268 TI - Exploring Non-Metabolic Functions of Glycolytic Enzymes in Immunity. AB - At the beginning of the twentieth century, discoveries in cancer research began to elucidate the idiosyncratic metabolic proclivities of tumor cells (1). Investigators postulated that revealing the distinct nutritional requirements of cells with unchecked growth potential would reveal targetable metabolic vulnerabilities by which their survival could be selectively curtailed. Soon thereafter, researchers in the field of immunology began drawing parallels between the metabolic characteristics of highly proliferative cancer cells and those of immune cells that respond to perceived threats to host physiology by invading tissues, clonally expanding, and generating vast amounts of pro inflammatory effector molecules to provide the host with protection. Throughout the past decade, increasing effort has gone into elucidating the biosynthetic and bioenergetic requirements of immune cells during inflammatory responses. It is now well established that, like tumor cells, immune cells must undergo metabolic adaptations to fulfill their effector functions (2, 3). Unraveling the metabolic adaptations that license inflammatory immune responses may lead to the development of novel classes of therapeutics for pathologies with prominent inflammatory components (e.g., autoimmunity). However, the translational potential of discoveries made toward this end is currently limited by the ubiquitous nature of the "pathologic" process being targeted: metabolism. Recent works have started to unravel unexpected non-metabolic functions for metabolic enzymes in the context of inflammation, including signaling and gene regulation. One way information gained through the study of immunometabolism may be leveraged for therapeutic benefit is by exploiting these non-canonical features of metabolic machinery, modulating their contribution to the immune response without impacting their basal metabolic functions. The focus of this review is to discuss the metabolically independent functions of glycolytic enzymes and how these could impact T cells, agents of the immune system that are commonly considered as orchestrators of auto-inflammatory processes. PMID- 29213269 TI - Safety and Immunogenicity of Malaria Vectored Vaccines Given with Routine Expanded Program on Immunization Vaccines in Gambian Infants and Neonates: A Randomized Controlled Trial. AB - Background: Heterologous prime-boost vaccination with chimpanzee adenovirus 63 (ChAd63) and modified vaccinia virus Ankara (MVA) encoding multiple epitope string thrombospondin-related adhesion protein (ME-TRAP) has shown acceptable safety and promising immunogenicity in African adult and pediatric populations. If licensed, this vaccine could be given to infants receiving routine childhood immunizations. We therefore evaluated responses to ChAd63 MVA ME-TRAP when co administered with routine Expanded Program on Immunization (EPI) vaccines. Methods: We enrolled 65 Gambian infants and neonates, aged 16, 8, or 1 week at first vaccination and randomized them to receive either ME-TRAP and EPI vaccines or EPI vaccines only. Safety was assessed by the description of vaccine-related adverse events (AEs). Immunogenicity was evaluated using IFNgamma enzyme-linked immunospot, whole-blood flow cytometry, and anti-TRAP IgG ELISA. Serology was performed to confirm all infants achieved protective titers to EPI vaccines. Results: The vaccines were well tolerated in all age groups with no vaccine related serious AEs. High-level TRAP-specific IgG and T cell responses were generated after boosting with MVA. CD8+ T cell responses, previously found to correlate with protection, were induced in all groups. Antibody responses to EPI vaccines were not altered significantly. Conclusion: Malaria vectored prime-boost vaccines co-administered with routine childhood immunizations were well tolerated. Potent humoral and cellular immunity induced by ChAd63 MVA ME-TRAP did not reduce the immunogenicity of co-administered EPI vaccines, supporting further evaluation of this regimen in infant populations. Clinical Trial Registration: The clinical trial was registered on http://Clinicaltrials.gov (NCT02083887) and the Pan-African Clinical Trials Registry (PACTR201402000749217). PMID- 29213270 TI - Nanobodies and Nanobody-Based Human Heavy Chain Antibodies As Antitumor Therapeutics. AB - Monoclonal antibodies have revolutionized cancer therapy. However, delivery to tumor cells in vivo is hampered by the large size (150 kDa) of conventional antibodies. The minimal target recognition module of a conventional antibody is composed of two non-covalently associated variable domains (VH and VL). The proper orientation of these domains is mediated by their hydrophobic interface and is stabilized by their linkage to disulfide-linked constant domains (CH1 and CL). VH and VL domains can be fused via a genetic linker into a single-chain variable fragment (scFv). scFv modules in turn can be fused to one another, e.g., to generate a bispecific T-cell engager, or they can be fused in various orientations to antibody hinge and Fc domains to generate bi- and multispecific antibodies. However, the inherent hydrophobic interaction of VH and VL domains limits the stability and solubility of engineered antibodies, often causing aggregation and/or mispairing of V-domains. Nanobodies (15 kDa) and nanobody based human heavy chain antibodies (75 kDa) can overcome these limitations. Camelids naturally produce antibodies composed only of heavy chains in which the target recognition module is composed of a single variable domain (VHH or Nb). Advantageous features of nanobodies include their small size, high solubility, high stability, and excellent tissue penetration in vivo. Nanobodies can readily be linked genetically to Fc-domains, other nanobodies, peptide tags, or toxins and can be conjugated chemically at a specific site to drugs, radionuclides, photosensitizers, and nanoparticles. These properties make them particularly suited for specific and efficient targeting of tumors in vivo. Chimeric nanobody heavy chain antibodies combine advantageous features of nanobodies and human Fc domains in about half the size of a conventional antibody. In this review, we discuss recent developments and perspectives for applications of nanobodies and nanobody-based human heavy chain antibodies as antitumor therapeutics. PMID- 29213272 TI - Host Responses to Malassezia spp. in the Mammalian Skin. AB - The skin of mammalian organisms is home for a myriad of microbes. Many of these commensals are thought to have beneficial effects on the host by critically contributing to immune homeostasis. Consequently, dysbiosis can have detrimental effects for the host that may manifest with inflammatory diseases at the barrier tissue. Besides bacteria, fungi make an important contribution to the microbiota and among these, the yeast Malassezia widely dominates in most areas of the skin in healthy individuals. There is accumulating evidence that Malassezia spp. are involved in a variety of skin disorders in humans ranging from non- or mildly inflammatory conditions such as dandruff and pityriasis versicolor to more severe inflammatory skin diseases like seborrheic eczema and atopic dermatitis. In addition, Malassezia is strongly linked to the development of dermatitis and otitis externa in dogs. However, the association of Malassezia spp. with such diseases remains poorly characterized. Until now, studies on the fungus-host interaction remain sparse and they are mostly limited to experiments with isolated host cells in vitro. They suggest a multifaceted crosstalk of Malassezia spp. with the skin by direct activation of the host via conserved pattern recognition receptors and indirectly via the release of fungus-derived metabolites that can modulate the function of hematopoietic and/or non hematopoietic cells in the barrier tissue. In this review, we discuss our current understanding of the host response to Malassezia spp. in the mammalian skin. PMID- 29213273 TI - Targeting TRIM5alpha in HIV Cure Strategies for the CRISPR-Cas9 Era. AB - In the past decade, studies of innate immune activity against HIV-1 and other retroviruses have revealed a powerful array of host factors that can attack the virus at various stages of its life cycle in human and primate cells, raising the prospect that these antiviral factors could be manipulated in immunotherapeutic strategies for HIV infection. This has not proved straightforward: while HIV accessory genes encode proteins that subvert or destroy many of these restriction factors, others, such as human TRIM5alpha show limited potency against HIV-1. However, HIV-1 is much more susceptible to simian versions of TRIM5alpha: could this information be translated into the development of an effective gene therapy for HIV infection? Reigniting research into the restriction factor TRIM5alpha in the era of superior gene editing technology such as CRISPR-Cas9 presents an exciting opportunity to revisit this prospect. PMID- 29213271 TI - Visceral Inflammation and Immune Activation Stress the Brain. AB - Stress refers to a dynamic process in which the homeostasis of an organism is challenged, the outcome depending on the type, severity, and duration of stressors involved, the stress responses triggered, and the stress resilience of the organism. Importantly, the relationship between stress and the immune system is bidirectional, as not only stressors have an impact on immune function, but alterations in immune function themselves can elicit stress responses. Such bidirectional interactions have been prominently identified to occur in the gastrointestinal tract in which there is a close cross-talk between the gut microbiota and the local immune system, governed by the permeability of the intestinal mucosa. External stressors disturb the homeostasis between microbiota and gut, these disturbances being signaled to the brain via multiple communication pathways constituting the gut-brain axis, ultimately eliciting stress responses and perturbations of brain function. In view of these relationships, the present article sets out to highlight some of the interactions between peripheral immune activation, especially in the visceral system, and brain function, behavior, and stress coping. These issues are exemplified by the way through which the intestinal microbiota as well as microbe-associated molecular patterns including lipopolysaccharide communicate with the immune system and brain, and the mechanisms whereby overt inflammation in the GI tract impacts on emotional-affective behavior, pain sensitivity, and stress coping. The interactions between the peripheral immune system and the brain take place along the gut-brain axis, the major communication pathways of which comprise microbial metabolites, gut hormones, immune mediators, and sensory neurons. Through these signaling systems, several transmitter and neuropeptide systems within the brain are altered under conditions of peripheral immune stress, enabling adaptive processes related to stress coping and resilience to take place. These aspects of the impact of immune stress on molecular and behavioral processes in the brain have a bearing on several disturbances of mental health and highlight novel opportunities of therapeutic intervention. PMID- 29213274 TI - Natural Killer Cells in Antifungal Immunity. AB - Invasive fungal infections are still an important cause of morbidity and mortality in immunocompromised patients such as patients suffering from hematological malignancies or patients undergoing hematopoietic stem cell transplantion. In addition, other populations such as human immunodeficiency virus-patients are at higher risk for invasive fungal infection. Despite the availability of new antifungal compounds and better supportive care measures, the fatality rate of invasive fungal infection remained unacceptably high. It is therefore of major interest to improve our understanding of the host-pathogen interaction to develop new therapeutic approaches such as adoptive immunotherapy. As experimental methodologies have improved and we now better understand the complex network of the immune system, the insight in the interaction of the host with the fungus has significantly increased. It has become clear that host resistance to fungal infections is not only associated with strong innate immunity but that adaptive immunity (e.g., T cells) also plays an important role. The antifungal activity of natural killer (NK) cells has been underestimated for a long time. In vitro studies demonstrated that NK cells from murine and human origin are able to attack fungi of different genera and species. NK cells exhibit not only a direct antifungal activity via cytotoxic molecules but also an indirect antifungal activity via cytokines. However, it has been show that fungi exert immunosuppressive effects on NK cells. Whereas clinical data are scarce, animal models have clearly demonstrated that NK cells play an important role in the host response against invasive fungal infections. In this review, we summarize clinical data as well as results from in vitro and animal studies on the impact of NK cells on fungal pathogens. PMID- 29213275 TI - Dynamic Changes in Host Gene Expression following In Vitro Viral Mimic Stimulation in Crocodile Cells. AB - The initial control of viral infection in a host is dominated by a very well orchestrated early innate immune system; however, very little is known about the ability of a host to control viral infection outside of mammals. The reptiles offer an evolutionary bridge between the fish and mammals, with the crocodile having evolved from the archosauria clade that included the dinosaurs, and being the largest living reptile species. Using an RNA-seq approach, we have defined the dynamic changes of a passaged primary crocodile cell line to stimulation with both RNA and DNA viral mimics. Cells displayed a marked upregulation of many genes known to be involved in the mammalian response to viral infection, including viperin, Mx1, IRF7, IRF1, and RIG-I with approximately 10% of the genes being uncharacterized transcripts. Both pathway and genome analysis suggested that the crocodile may utilize the main known mammalian TLR and cytosolic antiviral RNA signaling pathways, with the pathways being responsible for sensing DNA viruses less clear. Viral mimic stimulation upregulated the type I interferon, IFN-Omega, with many known antiviral interferon-stimulated genes also being upregulated. This work demonstrates for the first time that reptiles show functional regulation of many known and unknown antiviral pathways and effector genes. An enhanced knowledge of these ancient antiviral pathways will not only add to our understanding of the host antiviral innate response in non-mammalian species, but is critical to fully comprehend the complexity of the mammalian innate immune response to viral infection. PMID- 29213276 TI - An Integrated "Multi-Omics" Comparison of Embryo and Endosperm Tissue-Specific Features and Their Impact on Rice Seed Quality. AB - Although rice is a key crop species, few studies have addressed both rice seed physiological and nutritional quality, especially at the tissue level. In this study, an exhaustive "multi-omics" dataset on the mature rice seed was obtained by combining transcriptomics, label-free shotgun proteomics and metabolomics from embryo and endosperm, independently. These high-throughput analyses provide a new insight on the tissue-specificity related to rice seed quality. Foremost, we pinpointed that extensive post-transcriptional regulations occur at the end of rice seed development such that the embryo proteome becomes much more diversified than the endosperm proteome. Secondly, we observed that survival in the dry state in each seed compartment depends on contrasted metabolic and enzymatic apparatus in the embryo and the endosperm, respectively. Thirdly, it was remarkable to identify two different sets of starch biosynthesis enzymes as well as seed storage proteins (glutelins) in both embryo and endosperm consistently with the supernumerary embryo hypothesis origin of the endosperm. The presence of a putative new glutelin with a possible embryonic favored abundance is described here for the first time. Finally, we quantified the rate of mRNA translation into proteins. Consistently, the embryonic panel of protein translation initiation factors is much more diverse than that of the endosperm. This work emphasizes the value of tissue-specificity-centered "multi-omics" study in the seed to highlight new features even from well-characterized pathways. It paves the way for future studies of critical genetic determinants of rice seed physiological and nutritional quality. PMID- 29213277 TI - Functional and Structural Characterization of a Receptor-Like Kinase Involved in Germination and Cell Expansion in Arabidopsis. AB - Leucine-rich repeat receptor-like kinases (LRR-RLKs) are widespread in different plant species and play important roles in growth and development. Germination inhibition is vital for the completion of seed maturation and cell expansion is a fundamental cellular process driving plant growth. Here, we report genetic and structural characterizations of a functionally uncharacterized LRR-RLK, named GRACE (Germination Repression and Cell Expansion receptor-like kinase). Overexpression of GRACE in Arabidopsis exhibited delayed germination, enlarged cotyledons, rosette leaves and stubbier petioles. Conversely, these phenotypes were reversed in the T-DNA insertion knock-down mutant grace-1 plants. A crystal structure of the extracellular domain of GRACE (GRACE-LRR) determined at the resolution of 3.0 A revealed that GRACE-LRR assumed a right-handed super-helical structure with an island domain (ID). Structural comparison showed that structure of the ID in GRACE-LRR is strikingly different from those observed in other LRR RLKs. This structural observation implies that GRACE might perceive a new ligand for signaling. Collectively, our data support roles of GRACE in repressing seed germination and promoting cell expansion of Arabidopsis, presumably by perception of unknown ligand(s). PMID- 29213279 TI - Scheduling multi-task jobs with extra utility in data centers. AB - This paper investigates the problem of maximizing utility for job scheduling where each job consists of multiple tasks, each task has utility and each job also has extra utility if all tasks of that job are completed. We provide a 2 approximation algorithm for the single-machine case and a 2-approximation algorithm for the multi-machine problem. Both algorithms include two steps. The first step employs the Earliest Deadline First method to compute utility with only extra job utility, and it is proved that it obtains the optimal result for this sub-problem. The second step employs a Dynamic Programming method to compute utility without extra job utility, and it also derives the optimal result. An approximation result can then be obtained by combining the results of the two steps. PMID- 29213278 TI - Translating Measures of Biological Aging to Test Effectiveness of Geroprotective Interventions: What Can We Learn from Research on Telomeres? AB - Intervention studies in animals suggest molecular changes underlying age-related disease and disability can be slowed or reversed. To speed translation of these so-called "geroprotective" therapies to prevent age-related disease and disability in humans, biomarkers are needed that can track changes in the rate of human aging over the course of intervention trials. Algorithm methods that measure biological processes of aging from combinations of DNA methylation marks or clinical biomarkers show promise. To identify next steps for establishing utility of these algorithm-based measures of biological aging for geroprotector trials, we considered the history a candidate biomarker of aging that has received substantial research attention, telomere length. Although telomere length possesses compelling biology to recommend it as a biomarker of aging, mixed research findings have impeded clinical and epidemiologic translation. Strengths of telomeres that should be established for algorithm biomarkers of aging are correlation with chronological age across the lifespan, prediction of disease, disability, and early death, and responsiveness to risk and protective exposures. Key challenges in telomere research that algorithm biomarkers of aging must address are measurement precision and reliability, establishing links between longitudinal rates of change across repeated measurements and aging outcomes, and clarity over whether the biomarker is a causal mechanism of aging. These strengths and challenges suggest a research agenda to advance translation of algorithm-based aging biomarkers: establish validity in young-adult and midlife individuals; test responsiveness to exposures that shorten or extend healthy lifespan; and conduct repeated-measures longitudinal studies to test differential rates of change. PMID- 29213280 TI - Subthreshold Psychiatric Psychopathology in Functional Gastrointestinal Disorders: Can It Be the Bridge between Gastroenterology and Psychiatry? AB - Background and Aims: Functional gastrointestinal disorders (FGDs) are multifactorial disorders of the gut-brain interaction. This study investigated the prevalence of Axis I and spectrum disorders in patients with FGD and established the link between FGDs and psychopathological dimensions. Methods: A total of 135 consecutive patients with FGD were enrolled. The symptoms' severity was evaluated using questionnaires, while the psychiatric evaluation by clinical interviews established the presence/absence of mental (Diagnostic and Statistical Manual-4th edition, Axis I Diagnosis) or spectrum disorders. Results: Of the 135 patients, 42 (32.3%) had functional dyspepsia, 52 (40.0%) had irritable bowel syndrome, 21 (16.2%) had functional bloating, and 20 (15.4%) had functional constipation. At least one psychiatric disorder was present in 46.9% of the patients, while a suprathreshold panic spectrum was present in 26.2%. Functional constipation was associated with depressive disorders (p < 0.05), while functional dyspepsia was related to the current major depressive episode (p < 0.05). Obsessive-compulsive spectrum was correlated with the presence of functional constipation and irritable bowel syndrome (p < 0.05). Conclusion: The high prevalence of subthreshold psychiatric symptomatology in patients with FGD, which is likely to influence the expression of gastrointestinal symptoms, suggested the usefulness of psychological evaluation in patients with FGDs. PMID- 29213281 TI - The NIMO Scandinavian Study: A Prospective Observational Study of Iron Isomaltoside Treatment in Patients with Iron Deficiency. AB - Background: Intravenous iron allows for efficient and well-tolerated treatment in iron deficiency and is routinely used in diseases of the gastrointestinal tract. Objective: The aims of this study were to determine the probability of relapse of iron deficiency over time and to investigate treatment routine, effectiveness, and safety of iron isomaltoside. Methods: A total of 282 patients treated with iron isomaltoside were observed for two treatments or a minimum of one year. Results: Out of 282 patients, 82 had Crohn's disease and 67 had ulcerative colitis. Another 133 patients had chronic blood loss, malabsorption, or malignancy. Patients who received an iron isomaltoside dose above 1000 mg had a 65% lower probability of needing retreatment compared with those given 1000 mg. A clinically significant treatment response was shown, but in 71/191 (37%) of patients, anaemia was not corrected. The mean dose given was 1100 mg, lower than the calculated total iron need of 1481 mg. Adverse drug reactions were reported in 4% of patients. Conclusion: Iron isomaltoside is effective with a good safety profile, and high doses reduce the need for retreatment over time. Several patients were anaemic after treatment, indicating that doses were inadequate for full iron correction. This trial is registered with NCT01900197. PMID- 29213282 TI - Determination of Mammalian Target of Rapamycin Hyperactivation as Prognostic Factor in Well-Differentiated Neuroendocrine Tumors. AB - Purpose: To evaluate the role of the activation of mTOR (phosphorylated mTOR, p mTOR) and the expression SSTR2A and IGF-1R as prognostic factor in well differentiated neuroendocrine tumors. Methods: A retrospective study was conducted on data from patients with diagnosis of neuroendocrine tumor originated from pancreas (pNET) or gastrointestinal tract (stomach, appendix, and ileus; GI NET) made between January 2003 and December 2004 and followed up at our institution. Archival material should be available for revision according to WHO 2010 neuroendocrine tumor classification and for p-mTOR, SSTR2A, and IGF-1R immunostaining, calculating a quantitative score (QS). We evaluated clinical, pathological, and immunohistochemistry features for association with the presence of advanced disease at diagnosis and disease relapse in patients who have undergone radical surgery. Results: Archival material from 64 patients was analyzed (37 pNETs and 27 GI-NETs). In these patients, G2 grading, low SSTR2A QS, and high p-mTOR QS were associated with advanced disease at diagnosis at multivariate analysis. Risk of recurrence in 49 patients with R0-resected tumors was higher for G2 grading, stage IIIB-IV, low IGF-1R QS, and high p-mTOR QS at univariate analysis. Conclusions: With the limits of retrospective data, activation of m-TOR is correlated with advanced disease at diagnosis and with shorter disease-free survival after R0 resection. Validation through prospective studies is needed. PMID- 29213283 TI - Lateral Supratrochanteric Approach to Sciatic and Femoral Nerve Blocks in Children: A Feasibility Study. AB - Background: Sciatic and femoral nerve blocks (SNB and FNB) result in effective lower limb analgesia. Classical SNB and FNB require patient repositioning which can cause pain and discomfort. Alternative approaches to sciatic and femoral nerve blocks in supine patients can be useful. Materials and Methods: Neurostimulator-guided SNB and FNB from the lateral supratrochanteric approach were performed. Local anesthetic spread in SNB and FNB after radiographic opacification was analyzed. Time and number of attempts to perform blocks, needle depth, and clinical efficacy were assessed. Results: Mean needle passes number and procedure time for SNB were 2.5 +/- 0.3 and 2.4 +/- 0.2 min, respectively. Mean needle passes number and procedure time for FNB were 2.7 +/- 0.27 and 2.59 +/- 0.23 min, respectively. Mean skin to nerve distance was 9.1 +/- 0.45 cm for SNB and 8.8 +/- 0.5 cm for FNB. Radiographic opacification of SNB showed local anesthetic spread close to the sacrum and involvement of sacral plexus nerve roots. Spread of local anesthetic in FNB was typical. Intraoperative fentanyl administration was required in 2 patients (9.5%) with mean dose 1.8 +/- 0.2 mcg/kg. Mean postoperative pain score was 0.34 +/- 0.08 of 10. Conclusion: The lateral supratrochanteric approach to SNB and FNB in children can be an effective lower limb analgesic technique in supine patients. The trial is registered with ISRCTN70969666. PMID- 29213284 TI - Circulatory Immune Cells in Cushing Syndrome: Bystanders or Active Contributors to Atherometabolic Injury? A Study of Adhesion and Activation of Cell Surface Markers. AB - Glucocorticoids (GC) induce cardiometabolic risk while atherosclerosis is a chronic inflammation involving immunity. GC are immune suppressors, and the adrenocorticotrophic hormone (ACTH) has immune modulator activities. Both may act in atherothrombotic inflammation involving immune cells (IMNC). Aim. To investigate adhesion and activation surface cell markers (CDs) of peripheral IMNC in endogenous Cushing syndrome (CS) and the immune modulator role of ACTH. Material and Methods. 16 ACTH-dependent CS (ACTH-D), 10 ACTH-independent (ACTH ID) CS, and 16 healthy controls (C) were included. Leukocytes (Leuc), monocytes (MN), lymphocytes (Lym), and neutrophils (N) were analyzed by flow cytometry for atherosclerosis previously associated with CDs. Results. Leuc, N, and MN correlated with CS (p < 0.05), WC (p < 0.001), WHR (p = 0.003), BMI (p < 0.001), and hs-CRP (p < 0.001). CD14++CD16+ (p = 0.047); CD14+CD16++ (p = 0.053) MN; CD15+ (p = 0.027); CD15+CD16+ (p = 0.008) N; and NK-Lym (p = 0.019) were higher in CS. CD14+CD16++ MN were higher in ACTH-ID (8.9 +/- 3.5%) versus ACTH-D CS (4.2 +/- 1.9%) versus C (4.9 +/- 2.3%). NK-Lym correlated with c-LDL (r = 0.433, p = 0.039) and CD15+ N with hs-CRP (r = 0.446, p = 0.037). In multivariate analysis, Leuc, N, and MN depended on BMI (p = 0.021), WC (p = 0.002), and WHR (p = 0.014), while CD15+ and CD15+CD16+ N on hypercortisolism and CS (p = 0.035). Conclusion. In CS, IMNC present changes in activation and adhesion CDs implicated in atherothrombotic inflammation. ACTH-IDCS presents a particular IMNC phenotype, possibly due to the absence of the immune modulator effect of ACTH. PMID- 29213285 TI - Low Levels of Sex Hormone-Binding Globulin Constitute an Independent Risk Factor for Arterial Stiffness in Korean Women. AB - The association between sex hormone-binding globulin (SHBG) and arterial stiffness in women is not conclusive. In addition, obesity might also be involved in the relationship between SHBG and atherosclerosis. The aim of this study was to determine the relationship between SHBG and arterial stiffness in association with central obesity in women. This cross-sectional study included 381 women who participated in the health checkup programs in one hospital. The brachial-ankle pulse wave velocity (baPWV) was measured as a marker for arterial stiffness. A negative correlation was observed between SHBG levels and baPWV (rho = -0.281). The relationship was significant even after adjusting for potential confounders (beta = -0.087 in fully adjusted model). After considering the interaction between central obesity and SHBG levels, the significant association was evident only in obese women (P for interaction = 0.025). Adjustment for a 10-year atherosclerotic cardiovascular disease (ASCVD) risk scores, instead of each cardiovascular risk factor individually, did not affect the significance of the relationship between SHBG levels and baPWV. Serum levels of SHBG were negatively associated with arterial stiffness independent of cardiovascular risk factors or 10-year ASCVD risk scores in Korean women. The relationship may be potentiated by central obesity. PMID- 29213286 TI - Survival of Five Strains of Shiga Toxigenic Escherichia coli in a Sausage Fermentation Model and Subsequent Sensitivity to Stress from Gastric Acid and Intestinal Fluid. AB - The ability of foodborne pathogens to exhibit adaptive responses to stressful conditions in foods may enhance their survival when passing through the gastrointestinal system. We aimed to determine whether Escherichia coli surviving stresses encountered during a model dry-fermented sausage (DFS) production process exhibit enhanced tolerance and survival in an in vitro gastrointestinal model. Salami sausage batters spiked with five E. coli isolates, including enterohaemorrhagic E. coli strains isolated from different DFS outbreaks, were fermented in a model DFS process (20 degrees C, 21 days). Control batters spiked with the same strains were stored at 4 degrees C for the same period. Samples from matured model sausages and controls were thereafter exposed to an in vitro digestion challenge. Gastric exposure (pH 3) resulted in considerably reduced survival of the E. coli strains that had undergone the model DFS process. This reduction continued after entering intestinal challenge (pH 8), but growth resumed after 120 min. When subjected to gastric challenge for 120 min, E. coli that had undergone the DFS process showed about 2.3 log10? lower survival compared with those kept in sausage batter at 4 degrees C. Our results indicated that E. coli strains surviving a model DFS process exhibited reduced tolerance to subsequent gastric challenge at low pH. PMID- 29213287 TI - Gastrointestinal Symptoms and Elevated Levels of Anti-Saccharomyces cerevisiae Antibodies Are Associated with Higher Disease Activity in Colombian Patients with Spondyloarthritis. AB - Background: Spondyloarthritis (SpA) is a group of articular inflammatory rheumatic diseases that their gastrointestinal manifestations are around 10% of their extra-articular symptoms, supporting that the inflammatory response of the intestinal mucosa could be associated with the clinical status. Objectives: To investigate the association between gastrointestinal symptoms and autoantibodies and disease activity between SpA patients, healthy subjects (HS), and patients with inflammatory bowel disease (IBD). Methods: 102 SpA patients, 29 IBD patients, and 117 HS were included. Autoantibodies as ASCA, ANCA, anti-tTG, anti DGP, ANA, and IgA were measured. The patients were assessed to evaluate clinical and gastrointestinal symptoms. An association analysis was performed using Chi square test and a logistic regression. Results: Significant differences were found for ASCA levels in SpA (28.2%) compared to IBD (14.2%) and HS (6.0%) (p = 0.029), as well as for ANAS in SpA (49.5%) and IBD (37.9%) (p < 0.001) and abdominal pain (p = 0.012) between SpA (54.3%) and IBD (27.5%). Significant associations were found between BASDAI > 4 and gastrointestinal symptoms (p < 0.05) and IgA (p = 0.007). The association for abdominal bloating was maintained (OR: 3.93, CI-95%, 1.14-13.56; p = 0.030). Conclusions: Gastrointestinal symptoms, ASCA, ANAS, and IgA levels were associated with high disease activity in SpA compared with IBD and HS. PMID- 29213288 TI - MicroRNA-214 Suppresses Osteogenic Differentiation of Human Periodontal Ligament Stem Cells by Targeting ATF4. AB - Periodontitis is the main cause of adult tooth loss. Stem cell-based tissue engineering has become a promising therapy for periodontitis treatment. To date, human periodontal ligament stem cells (hPDLSCs) have been shown to be a favorable source for tissue engineering, but modulatory mechanisms of hPDLSCs remain unclear. Approximately 60% of mammalian genes are the targets of over 2000 miRNAs in multiple human cell types, and miRNAs are able to influence various biological processes in the human body, including bone formation. In this study, we found that after osteogenic induction, miR-214 was significantly decreased in hPDLSCs; therefore, we examined the effects of miR-214 on osteogenic differentiation. Computational miRNA target prediction analyses and luciferase reporter assays revealed that activating transcription factor 4 (ATF4) is a direct target of miR 214. We prepared cells overexpressing miR-214 and found that miR-214 negatively regulates osteogenic differentiation of hPDLSCs. For the target of miR-214, ATF4 protein expression level was decreased after induction. In conclusion, we found that miR-214-ATF4 axis is a novel pathway for regulating hPDLSC osteogenic differentiation. PMID- 29213289 TI - Endometritis and In Vitro PGE2 Challenge Modify Properties of Cattle Endometrial Mesenchymal Stem Cells and Their Transcriptomic Profile. AB - Mesenchymal stem cells (MSCs) were isolated and characterized from postpartum bovine endometrium of animals with subclinical (n = 5) and clinical endometritis (n = 3) and healthy puerperal females (n = 5). Cells isolated displayed mean morphological features of MSCs and underwent osteogenic, chondrogenic, and adipogenic differentiation after induction (healthy and subclinical). Cells from cows with clinical endometritis did not undergo adipogenic differentiation. All cells expressed mRNAs for selected MSC markers. Endometrial MSCs were challenged in vitro with PGE2 at concentrations of 0, 1, 3, and 10 MUM, and their global transcriptomic profile was studied. Overall, 1127 genes were differentially expressed between unchallenged cells and cells treated with PGE2 at all concentrations (763 up- and 364 downregulated, fold change > 2, and P < 0.05). The pathways affected the most by the PGE2 challenge were immune response, angiogenesis, and cell proliferation. In conclusion, we demonstrated that healthy puerperal bovine endometrium contains MSCs and that endometritis modifies and limits some functional characteristics of these cells, such as their ability to proceed to adipogenic differentiation. Also, PGE2, an inflammatory mediator of endometritis, modifies the transcriptomic profile of endometrial MSCs. A similar situation may occur during inflammation associated with endometritis, therefore affecting the main properties of endometrial MSCs. PMID- 29213290 TI - Effect of Isolation Technique and Location on the Phenotype of Human Corneal Stroma-Derived Cells. AB - Purpose: To determine the effect of the isolation technique and location upon the phenotype of human corneal stroma-derived cells (CSCs). Methods: CSCs were isolated from the corneal stroma center and periphery using the explant or enzymatic digestion technique. The native tissue was stained for functional markers, while cultured cells were analysed by FACS. PCR was used to determine gene expression in the cultured versus native cells. Results: The native stroma was positive for alpha-actinin, ALDH1A1, CD31, CD34, Collagen I, and Vimentin. Cultured cells expressed CD73, CD90, CD105, CD51, Nestin, CD49a, CD49d, ABCG2, and CD47. PCR demonstrated a significant upregulation of ALDH1A1, AQP1, ITGB4, KLF4, CD31, CD34, and CXCR4 in the native tissue, while the expression of ABCG2, ITGAV, Nestin, CD73, CD90, CD105, and Vimentin were significantly higher in the cultured cells. GPC did not change. Conclusion: The study finds no significant difference between the phenotype of CSCs generated by the explant or enzymatic digestion technique from the center or periphery of the stroma. Isolation of the cells can be performed without regard to the location and isolation technique used for research. Cultivated CSCs undergo a complete surface marker and genotype profile change compared to the state in situ. PMID- 29213291 TI - Apolipoprotein E polymorphism and the risk of aneurysmal subarachnoid hemorrhage in a South Indian population. AB - Background: The rupture of a brain aneurysm causes bleeding in the subarachnoid space. This is known as aneurysmal subarachnoid hemorrhage (aSAH). We evaluated the association of apolipoprotein E (APOE) polymorphism and the risk of aSAH in a South Indian population. Methods: The study was performed on 200 subjects with aSAH and 253 healthy control subjects. Blood samples (5 ml) were used to isolate DNA and genotyping was performed for rs7412 and rs429358 using a Taqman allelic discrimination assay. Statistical software R.3.0.11 was used to statistically analyze the data and a p value < 0.05 was considered as statistically significant. Results: We found a significant association with the risk of aSAH in epsilon3/ epsilon4 genetic model (OR = 1.91, 95% CI = 1.16-3.14, p = 0.01). However, in the other genetic models and allele frequency, there was no significant association with the risk of aSAH. In subtyping, we found a significant association of epsilon2 allele frequency with posterior communicating artery (PCOM) aneurysm (OR = 3.59, 95% CI = 1.11-11.64, p = 0.03). Conclusion: Our results suggest that APOE polymorphism has an influence on the risk of aSAH in this South Indian population, specifically in the PCOM subtype. PMID- 29213292 TI - IFN-lambda1 in CHO cells: its expression and biological activity. AB - Background: Many studies have investigated the characteristics and biological activities of type III interferon (IFN), finding that it has similar features to type I IFN but also unique actions because it is recognized by a different receptor. Results: A full-length recombinant human IFN-lambda1 (rhIFN-lambda1) cDNA was cloned into the pDF expression vector and stably expressed in Flp-In-CHO cells. After four purification steps (ammonium sulfate precipitation, SP Sepharose chromatography, Blue Sepharose 6 fast flow affinity chromatography and molecular sieve chromatography), the rhIFN-lambda1 had a purity of about 90% and was found to have the predicted biological activities. The anti-viral activity of rhIFN-lambda1 was determined as 106 IU/mg using the vesicular stomatitis virus (WISH-VSV) assay system. The anti-proliferation activity of rhIFN-lambda1 was measured using the MTS method and the growth inhibition ratio was 57% higher than that for recombinant human IFN-alpha2b (rhIFN-alpha2b) when the rhIFN-lambda1 concentration was 1000 IU/ml. rhIFN-lambda1 had lower natural killer cell cytotoxicity than rhIFN-alpha2b. Conclusion: The Flp-In-CHO system is suitable for stably expressing rhIFN-lambda1 that possesses the predicted anti-viral, anti proliferation and natural killer cell cytotoxicity-promoting activities. PMID- 29213294 TI - Conversational fluency and executive function in adolescents with conduct disorder. AB - Background: EF impairments are known to occur among adolescents with conduct disorder (CD) but their influence on communication ability is not well understood. The purpose of this study was to relate scores on a clinical EF questionnaire to performance on a communication task. Extemporaneous conversation was chosen as the target task, because it places a high demand on EFs and it is a critical medium for adolescent social development. Material and Methods: The participants were 18 incarcerated adolescents with conduct disorder (I-CD), 12 incarcerated adolescents without CD (I-NCD), and 26 typically developing (TD) non incarcerated adolescents. Participants completed the Self-Report form of the Behavior Rating Inventory of Executive Function (BRIEF) and extemporaneous conversations. Results: The I-CD and I-NCD groups produced four times more dysfluencies in conversation than the TD group. There was also a significant group effect on BRIEF subscores for executive memory (TD vs. I-CD), but not for planning and organization. Fluency data correlated significantly with BRIEF scores for executive memory, and the combination of fluency and BRIEF data accounted for 65% of the variance in group membership between TD adolescents and their incarcerated peers, regardless of CD diagnosis. Conclusions: BRIEF scores seem to be related to performance on communication tasks relevant for adolescents in daily living. Our results also revealed very high dysfluency rates among incarcerated juveniles. The EF and conversation measures differentiated incarcerated vs. non-incarcerated juveniles, but were less sensitive to CD. PMID- 29213293 TI - Collagen-derived dipeptide prolyl-hydroxyproline promotes osteogenic differentiation through Foxg1. AB - Prolyl-hydroxyproline (Pro-Hyp) is one of the major constituents of collagen derived dipeptides. We previously reported that Pro-Hyp promotes the differentiation of osteoblasts by increasing Runx2, osterix and Col1alpha1 mRNA expression levels. Here, to elucidate the mechanism of Pro-Hyp promotion of osteoblast differentiation, we focus on the involvement of Foxo1 in osteoblast differentiation via Runx2 regulation and the role of Foxg1 in Foxo1 regulation. The addition of Pro-Hyp had no effect on MC3T3-E1 cell proliferation in Foxo1- or Foxg1-knockdown cells. In Foxo1-knockdown cells, the addition of Pro-Hyp increased ALP activity, but in Foxg1-knockdown cells, it had no effect on ALP activity. An enhancing effect of Pro-Hyp on the Runx2 and osterix expression levels was observed in Foxo1-knockdown cells. However, no enhancing effect of Pro Hyp on osteoblastic gene expression was observed when Foxg1 was knocked down. These results demonstrate that Pro-Hyp promotes osteoblastic MC3T3-E1 cell differentiation and upregulation of osteogenic genes via Foxg1 expression. PMID- 29213296 TI - Comparison of the characteristics of suicide attempters with major depressive disorder and those with no psychiatric diagnosis in emergency departments of general hospitals in China. AB - Background: Major depressive disorder (MDD) is a known major risk factor for suicide due to the high suicide mortality. However, studies comparing the characteristics of suicide attempters with major depressive disorder and those with no psychiatric diagnosis in China are very limited. This study examined and compared the sociodemographic and psychological characteristics of suicide attempters with MDD and those with no psychiatric diagnosis in emergency departments of general hospitals to better understand the risk factors for suicide attempts in China. Methods: All subjects were enrolled in the study between June 2007 and January 2008. A total of 127 suicide attempters-54 with MDD and 73 with no psychiatric diagnosis-were enrolled. The sociodemographic and clinical characteristics were compared between two groups using the statistical analysis performed using frequency distribution, Student's t test, Chi-square test, and Fisher's exact test and a logistic regression model. Results: Suicide attempters with MDD were more likely to be more depressive, older, divorced or separated, unemployed, and living alone, and more likely to write a suicide note, have suicide ideation, and be motivated by reducing pain and burden. Suicide attempters with no psychiatric diagnosis were more likely to be younger and more impulsive, have self-rescue, and be motivated by threatening or taking revenge on others. Multivariate logistic regression analysis identified the following independent predictors of suicide attempts in individuals with MDD: a lower score on the quality of life scale, more years of education, and suicide ideation. Conclusions: The present study found both similarities and differences in the sociodemographic and clinical characteristics of suicide attempters with MDD and those with no psychiatric diagnosis in the emergency departments of general hospitals in China. These findings will help us to recognize the characteristics of suicide attempters in both groups and develop specific interventions for the two types of suicide attempters to prevent future suicide in China. For example, the suicide attempters with MDD in the emergency departments must be advised to the psychological clinic. PMID- 29213295 TI - Trabecular architecture in the forelimb epiphyses of extant xenarthrans (Mammalia). AB - Background: Bone structure has a crucial role in the functional adaptations that allow vertebrates to conduct their diverse lifestyles. Much has been documented regarding the diaphyseal structure of long bones of tetrapods. However, the architecture of trabecular bone, which is for instance found within the epiphyses of long bones, and which has been shown experimentally to be extremely plastic, has received little attention in the context of lifestyle adaptations (virtually only in primates). We therefore investigated the forelimb epiphyses of extant xenarthrans, the placental mammals including the sloths, anteaters, and armadillos. They are characterised by several lifestyles and degrees of fossoriality involving distinct uses of their forelimb. We used micro computed tomography data to acquire 3D trabecular parameters at regions of interest (ROIs) for all extant genera of xenarthrans (with replicates). Traditional, spherical, and phylogenetically informed statistics (including the consideration of size effects) were used to characterise the functional signal of these parameters. Results: Several trabecular parameters yielded functional distinctions. The main direction of the trabeculae distinguished lifestyle categories for one ROI (the radial trochlea). Among the other trabecular parameters, it is the degree of anisotropy (i.e., a preferential alignment of the trabeculae) that yielded the clearest functional signal. For all ROIs, the armadillos, which represent the fully terrestrial and fossorial category, were found as characterised by a greater degree of anisotropy (i.e., more aligned trabeculae). Furthermore, the trabeculae of the humeral head of the most fossorial armadillos were also found to be more anisotropic than in the less fossorial species. Conclusions: Most parameters were marked by an important intraspecific variability and by a size effect, which could, at least partly, be masking the functional signal. But for some parameters, the degree of anisotropy in particular, a clear functional distinction was recovered. Along with data on primates, our findings suggest that a trabecular architecture characterised by a greater degree of anisotropy is to be expected in species in which the relevant epiphyses withstand a restricted range of load directions. Trabecular architecture therefore is a promising research avenue for the reconstruction of lifestyles in extinct or cryptic species. PMID- 29213297 TI - Infant feeding pattern in the first six months of age in USA: a follow-up study. AB - Background: Infant feeding may consist of direct breastfeeding (DBF), pumping and bottle feeding (P&F), formula feeding (FF), solid food feeding (SFF), and any combination. An accurate evaluation of infant feeding requires descriptions of different patterns, consistency, and transition over time. Methods: In United States of America, the Infant Feeding Practice Study II collected information on the mode of feeding on nine occasions in 12 months. We focused on the first 6 months with six feeding occasions. To determine the longitudinal patterns of feeding the latent class transition analyses was applied and assessed the transition probabilities between these classes over time. Results: Over 6 months, 1899 mothers provided feeding information. In month 1 the largest latent class is FF (32.9%) followed by DBF (23.8%). In month 2, a substantial proportion of the FF class included SFF; which increases over time. A not allocated class, due to missing information was identified in months 1-3, transitions to SFF starting in month 4 (8.9%). In month 1, two mixed patterns exist: DBF and P&F combined with FF (13.9%) and DBF combined with P&F (18.7%). The triple combination of DBF, P&F, and FF (13.9%) became FF in month 2 (transition probability: 24.8%), and DBF in combination with P&F (transition probability: 49.1%). The pattern of DBF combined with P&F is relatively stable until month 4, when at least 50% of these infants receive solid food. Only 23-26% of the infants receive direct breastfeeding (DBF) in months 1-4, in month 5-6 SFF is added. Mothers who used FF were less educated and employed fulltime. Mothers who smoke and not residing in the west of the United States were also more likely to practice formula feeding. Conclusion: Infant feeding is complex. Breastfeeding is not predominant and we additionally considered the mixed patterns of feeding. To facilitate direct breastfeeding, a substantial increase in the duration of maternal leave is necessary in the United States. PMID- 29213298 TI - Reproducible genomic DNA preparation from diverse crop species for molecular genetic applications. AB - Background: Several high-throughput molecular genetic analyses rely on high quality genomic DNA. Copurification of other molecules can negatively impact the functionality of plant DNA preparations employed in these procedures. Isolating DNA from agronomically important crops, such as sugarcane, rice, citrus, potato and tomato is a challenge due to the presence of high fiber, polysaccharides, or secondary metabolites. We present a simplified, rapid and reproducible SDS-based method that provides high-quality and -quantity of DNA from small amounts of leaf tissue, as required by the emerging biotechnology and molecular genetic applications. Results: We developed the TENS-CO method as a simplified SDS-based isolation procedure with sequential steps of purification to remove polysaccharides and polyphenols using 2-mercaptoethanol and potassium acetate, chloroform partitioning, and sodium acetate/ethanol precipitation to yield high quantity and -quality DNA consistently from small amounts of tissue (0.15 g) for different plant species. The method is simplified and rapid in terms of requiring minimal manipulation, smaller extraction volume, reduced homogenization time (20 s) and DNA precipitation (one precipitation for 1 h). The method has been demonstrated to accelerate screening of large amounts of plant tissues from species that are rich in polysaccharides and secondary metabolites for Southern blot analysis of reporter gene overexpressing lines, pathogen detection by quantitative PCR, and genotyping of disease-resistant plants using marker assisted selection. Conclusion: To facilitate molecular genetic studies in major agronomical crops, we have developed the TENS-CO method as a simple, rapid, reproducible and scalable protocol enabling efficient and robust isolation of high-quality and -quantity DNA from small amounts of tissue from sugarcane, rice, citrus, potato, and tomato, thereby reducing significantly the time and resources used for DNA isolation. PMID- 29213299 TI - Cervical cancer patients presentation and survival in the only oncology referral hospital, Ethiopia: a retrospective cohort study. AB - Background: Women infected with Human Immune Deficiency Virus (HIV) are assumed to be at higher risk of developing Cervical Cancer (CC). This is due to a rapid progression of pre-invasive to invasive lesions. However, evidences suggest, due to the availability of antiretroviral therapy (ART) and care services; an improved survival and treatment outcome of CC patients (CCPs) with HIV infection is expected. Objective: The aim of this study is to examine the clinical characteristics and survival of of CCPs registered at the radiotherapy center of Tikur Anbessa Specialized Hospital (TASH), Addis Ababa University, Ethiopia. Methods: We conducted a retrospective cohort study. Data from 1655 CCPs diagnosed between September 2008 and September 2012 were included. The primary endpoint was death from any cause. Kaplan-Meier estimates were compared using the log-rank test. Cox proportional hazards regression model was used to identify predictors of death. Data were analyzed using STATA version IC/14. Results: The mean age of all patients was 49 years (SD = 11.6 years). Of all CCPs, 139 (8.4%) were HIV positive, 372 (22.5%) patients had a known negative HIV status and 1144 (69.1%) patients were asymptomatic with unknown HIV status. Due to late stage and waiting times, only 13.5% of the patients received curative radiotherapy doses. HIV positive CCPs presented more often with advanced disease compared to HIV negative CCPs ((44.6%) versus 39.7%, p = 0.007). There was no significant difference in survival between HIV-positive and HIV-negative CCPs. Older age (HR = 2.01; 95% CI, 1.01,-4.05), advanced disease (HR = 2.6; 95% CI, 1.67-4.04) and baseline anemia (HR = 1.65; 95% CI, 1.24, 2.20) were independent predictors for higher risk of death. Conclusion: Survival rates of CCPs did not differ according to HIV status. The risk of death was higher for patients with older age, advanced disease and anemia. HIV patients should be screened for CC according to guidelines to avoid late presentation. PMID- 29213300 TI - Measuring healthy behaviours using the stages of change model: an investigation into the physical activity and nutrition behaviours of Australian miners. AB - Background: Obesity is one of the fastest growing modern day epidemics affecting preventable disease and premature deaths. Healthy lifestyle behaviours, such as physical activity and nutritional consumption, have been shown to reduce the likelihood of obesity and obesity related health risks. Originally designed for measurement of unhealthy behaviours, the Stages of Change model, describes 'precontemplators' as individuals who engage in the unhealthy behaviour, are unaware that their behaviour is problematic, and are resistant to change. The aim of this study was to refine and assess the measures of the Stages of Change model in order to achieve a concise and reliable classification of precontemplators, in the context of healthy behaviours. Methods: Eight hundred and ninety-seven employees participated in a health survey measuring current health behaviours and stage of change. This study compared a traditional precontemplation measure to a modified version in the assessment of two healthy behaviours: physical activity and fruit and vegetable consumption. Results: The modified measure was more accurate and captured fewer individuals currently meeting the guideline for both physical activity and nutrition, compared to the traditional measure of stages of change. However, across all stages of change, the measure incorrectly classified some employees with regards to meeting health guidelines. Conclusions: When applied to healthy behaviours, the stages of change measure for precontemplation should be further refined to reflect knowledge that the behaviour is unhealthy, and apathy to change. Additionally, measures should define health guidelines to increase reliable classification across all stages of change. The findings can be applied to inform the design and implementation of health promotion strategies targeting obesity related lifestyle behaviours in the general population. PMID- 29213301 TI - Including refugees in disease elimination: challenges observed from a sleeping sickness programme in Uganda. AB - Background: Ensuring equity between forcibly-displaced and host area populations is a key challenge for global elimination programmes. We studied Uganda's response to the recent refugee influx from South Sudan to identify key governance and operational lessons for national sleeping sickness programmes working with displaced populations today. A refugee policy which favours integration of primary healthcare services for refugee and host populations and the availability of rapid diagnostic tests (RDTs) to detect sleeping sickness at this health system level makes Uganda well-placed to include refugees in sleeping sickness surveillance. Methods: Using ethnographic observations of coordination meetings, review of programme data, interviews with sleeping sickness and refugee authorities and group discussions with health staff and refugees (2013-2016), we nevertheless identified some key challenges to equitably integrating refugees into government sleeping sickness surveillance. Results: Despite fears that refugees were at risk of disease and posed a threat to elimination, six months into the response, programme coordinators progressed to a sentinel surveillance strategy in districts hosting the highest concentrations of refugees. This meant that RDTs, the programme's primary surveillance tool, were removed from most refugee-serving facilities, exacerbating existing inequitable access to surveillance and leading refugees to claim that their access to sleeping sickness tests had been better in South Sudan. This was not intentionally done to exclude refugees from care, rather, four key governance challenges made it difficult for the programme to recognise and correct inequities affecting refugees: (a) perceived donor pressure to reduce the sleeping sickness programme's scope without clear international elimination guidance on surveillance quality; (b) a problematic history of programme relations with refugee-hosting districts which strained supervision of surveillance quality; (c) difficulties that government health workers faced to produce good quality surveillance in a crisis; and (d) reluctant engagement between the sleeping sickness programme and humanitarian structures. Conclusions: Despite progressive policy intentions, several entrenched governance norms and practices worked against integration of refugees into the national sleeping sickness surveillance system. Elimination programmes which marginalise forced migrants risk unwittingly contributing to disease spread and reinforce social inequities, so new norms urgently need to be established at local, national and international levels. PMID- 29213302 TI - A comprehensive review of HIV/STI prevention and sexual and reproductive health services among sex Workers in Conflict-Affected Settings: call for an evidence- and rights-based approach in the humanitarian response. AB - Background: While the conditions in emergency humanitarian and conflict-affected settings often result in significant sex work economies, there is limited information on the social and structural conditions of sex work in these settings, and the impacts on HIV/STI prevention and access to sexual and reproductive health (SRH) services for sex workers. Our objective was to comprehensively review existing evidence on HIV/STI prevention and access to SRH services for sex workers in conflict-affected settings globally. Methods: We conducted a comprehensive review of all peer review (both epidemiological and qualitative) and grey literature published in the last 15 years (2000-2015), focusing on 1) HIV/STI vulnerability or prevention, and/or 2) access to SRH services for sex workers in conflict-affected settings. Five databases were searched, using combinations of sex work, conflict/mobility, HIV/STI, and SRH service terms. Relevant peer-reviewed and grey literature were also hand searched, and key papers were cross-referenced for additional material. Results: Five hundred fifty one records were screened and 416 records reviewed. Of 33 records describing HIV/STI prevention and/or access to SRH services among sex workers in conflict-affected settings, 24 were from sub-Saharan Africa; 18 studies described the results of primary research (13 quantitative, 3 qualitative, 2 mixed-methods) and 15 were non-primary research (e.g., commentaries, policy reports, programmatic manuals). Available evidence indicated that within conflict-affected settings, SWs' capacity to engage in HIV/STI prevention and access SRH services is severely undermined by social and structural determinants including widespread violence and human rights violations, the collapse of livelihoods and traditional social structures, high levels of displacement, and difficulties accessing already scant health services due to stigma, discrimination and criminalization. Discussion/Conclusions: This review identified significant gaps in HIV/STI and SRH research, policy, and programming for conflict-affected sex workers, highlighting a critical gap in the humanitarian response. Sex worker-informed policies and interventions to promote HIV/STI prevention and access to HIV and SRH services using a rights-based approach are recommended, and further research on the degree to which conflict affected sex workers are accessing HIV/STI and SRH services is recommended.A paradigm shift from the behavioural and biomedical approach to a human rights based approach to HIV/STI prevention and SRH is strongly recommended. PMID- 29213303 TI - Climbing the mountain: experimental design for the efficient optimization of stem cell bioprocessing. AB - "To consult the statistician after an experiment is finished is often merely to ask him to conduct a post mortem examination. He can perhaps say what the experiment died of." - R.A. Fisher While this idea is relevant across research scales, its importance becomes critical when dealing with the inherently large, complex and expensive process of preparing material for cell-based therapies (CBTs). Effective and economically viable CBTs will depend on the establishment of optimized protocols for the production of the necessary cell types. Our ability to do this will depend in turn on the capacity to efficiently search through a multi-dimensional problem space of possible protocols in a timely and cost-effective manner. In this review we discuss approaches to, and illustrate examples of the application of statistical design of experiments to stem cell bioprocess optimization. PMID- 29213305 TI - A multiplexed magnetic tweezer with precision particle tracking and bi directional force control. AB - Background: In the past two decades, methods have been developed to measure the mechanical properties of single biomolecules. One of these methods, Magnetic tweezers, is amenable to aquisition of data on many single molecules simultaneously, but to take full advantage of this "multiplexing" ability, it is necessary to simultaneously incorprorate many capabilities that ahve been only demonstrated separately. Methods: Our custom built magnetic tweezer combines high multiplexing, precision bead tracking, and bi-directional force control into a flexible and stable platform for examining single molecule behavior. This was accomplished using electromagnets, which provide high temporal control of force while achieving force levels similar to permanent magnets via large paramagnetic beads. Results: Here we describe the instrument and its ability to apply 2-260 pN of force on up to 120 beads simultaneously, with a maximum spatial precision of 12 nm using a variety of bead sizes and experimental techniques. We also demonstrate a novel method for increasing the precision of force estimations on heterogeneous paramagnetic beads using a combination of density separation and bi directional force correlation which reduces the coefficient of variation of force from 27% to 6%. We then use the instrument to examine the force dependence of uncoiling and recoiling velocity of type 1 fimbriae from Eschericia coli (E. coli) bacteria, and see similar results to previous studies. Conclusion: This platform provides a simple, effective, and flexible method for efficiently gathering single molecule force spectroscopy measurements. PMID- 29213304 TI - Engineering the human blood-brain barrier in vitro. AB - The blood-brain barrier (BBB) is the interface between the vasculature and the brain, regulating molecular and cellular transport into the brain. Endothelial cells (ECs) that form the capillary walls constitute the physical barrier but are dependent on interactions with other cell types. In vitro models are widely used in BBB research for mechanistic studies and drug screening. Current models have both biological and technical limitations. Here we review recent advances in stem cell engineering that have been utilized to create innovative platforms to replicate key features of the BBB. The development of human in vitro models is envisioned to enable new mechanistic investigations of BBB transport in central nervous system diseases. PMID- 29213306 TI - The TcEG1 beetle (Tribolium castaneum) cellulase produced in transgenic switchgrass is active at alkaline pH and auto-hydrolyzes biomass for increased cellobiose release. AB - Background: Genetically engineered biofuel crops, such as switchgrass (Panicum virgatum L.), that produce their own cell wall-digesting cellulase enzymes would reduce costs of cellulosic biofuel production. To date, non-bioenergy plant models have been used in nearly all studies assessing the synthesis and activity of plant-produced fungal and bacterial cellulases. One potential source for cellulolytic enzyme genes is herbivorous insects adapted to digest plant cell walls. Here we examine the potential of transgenic switchgrass-produced TcEG1 cellulase from Tribolium castaneum (red flour beetle). This enzyme, when overproduced in Escherichia coli and Saccharomyces cerevisiae, efficiently digests cellulose at optima of 50 degrees C and pH 12.0. Results: TcEG1 that was produced in green transgenic switchgrass tissue had a range of endoglucanase activity of 0.16-0.05 units (uM glucose release/min/mg) at 50 degrees C and pH 12.0. TcEG1 activity from air-dried leaves was unchanged from that from green tissue, but when tissue was dried in a desiccant oven (46 degrees C), specific enzyme activity decreased by 60%. When transgenic biomass was "dropped-in" into an alkaline buffer (pH 12.0) and allowed to incubate at 50 degrees C, cellobiose release was increased up to 77% over non-transgenic biomass. Saccharification was increased in one transgenic event by 28%, which had a concurrent decrease in lignin content of 9%. Histological analysis revealed an increase in cell wall thickness with no change to cell area or perimeter. Transgenic plants produced more, albeit narrower, tillers with equivalent dry biomass as the control. Conclusions: This work describes the first study in which an insect cellulase has been produced in transgenic plants; in this case, the dedicated bioenergy crop switchgrass. Switchgrass overexpressing the TcEG1 gene appeared to be morphologically similar to its non-transgenic control and produced equivalent dry biomass. Therefore, we propose TcEG1 transgenics could be bred with other transgenic germplasm (e.g., low-lignin lines) to yield new switchgrass with synergistically reduced recalcitrance to biofuel production. In addition, transgenes for other cell wall degrading enzymes may be stacked with TcEG1 in switchgrass to yield complementary cell wall digestion features and complete auto hydrolysis. PMID- 29213307 TI - The effect of switchgrass loadings on feedstock solubilization and biofuel production by Clostridium thermocellum. AB - Background: Efficient deconstruction and bioconversion of solids at high mass loadings is necessary to produce industrially relevant titers of biofuels from lignocellulosic biomass. To date, only a few studies have investigated the effect of solids loadings on microorganisms of interest for consolidated bioprocessing. Here, the effects that various switchgrass loadings have on Clostridium thermocellum solubilization and bioconversion are investigated. Results: Clostridium thermocellum was grown for 10 days on 10, 25, or 50 g/L switchgrass or Avicel at equivalent glucan loadings. Avicel was completely consumed at all loadings, but total cellulose solubilization decreased from 63 to 37% as switchgrass loadings increased from 10 to 50 g/L. Washed, spent switchgrass could be additionally hydrolyzed and fermented in second-round fermentations suggesting that access to fermentable substrates was not the limiting factor at higher feedstock loadings. Results from fermentations on Avicel or cellobiose using culture medium supplemented with 50% spent fermentation broth demonstrated that compounds present in the supernatants from the 25 or 50 g/L switchgrass loadings were the most inhibitory to continued fermentation. Conclusions: Recalcitrance alone cannot fully account for differences in solubilization and end-product formation between switchgrass and Avicel at increased substrate loadings. Experiments aimed at separating metabolic inhibition from inhibition of hydrolysis suggest that C. thermocellum's hydrolytic machinery is more vulnerable to inhibition from switchgrass-derived compounds than its fermentative metabolism. PMID- 29213308 TI - The effect of liquid hot water pretreatment on the chemical-structural alteration and the reduced recalcitrance in poplar. AB - Background: Hydrothermal pretreatment using liquid hot water (LHW) is capable of substantially reducing the cell wall recalcitrance of lignocellulosic biomass. It enhances the saccharification of polysaccharides, particularly cellulose, into glucose with relatively low capital required. Due to the close association with biomass recalcitrance, the structural change of the components of lignocellulosic materials during the pretreatment is crucial to understand pretreatment chemistry and advance the bio-economy. Although the LHW pretreatment has been extensively applied and studied, the molecular structural alteration during pretreatment and its significance to reduced recalcitrance have not been well understood. Results: We investigated the effects of LHW pretreatment with different severity factors (log R0) on the structural changes of fast-grown poplar (Populus trichocarpa). With the severity factor ranging from 3.6 to 4.2, LHW pretreatment resulted in a substantial xylan solubilization by 50-77% (w/w, dry matter). The molecular weights of the remained hemicellulose in pretreated solids also have been significantly reduced by 63-75% corresponding to LHW severity factor from 3.6 to 4.2. In addition, LHW had a considerable impact on the cellulose structure. The cellulose crystallinity increased 6-9%, whereas its degree of polymerization decreased 35-65% after pretreatment. We found that the pretreatment severity had an empirical linear correlation with the xylan solubilization (R2 = 0.98, r = + 0.99), hemicellulose molecular weight reduction (R2 = 0.97, r = - 0.96 and R2 = 0.93, r = - 0.98 for number-average and weight-average degree of polymerization, respectively), and cellulose crystallinity index increase (R2 = 0.98, r = + 0.99). The LHW pretreatment also resulted in small changes in lignin structure such as decrease of beta-O-4' ether linkages and removal of cinnamyl alcohol end group and acetyl group, while the S/G ratio of lignin in LHW pretreated poplar residue remained no significant change compared with the untreated poplar. Conclusions: This study revealed that the solubilization of xylan, the reduction of hemicellulose molecular weights and cellulose degree of polymerization, and the cleavage of alkyl-aryl ether bonds in lignin resulted from LHW pretreatment are critical factors associated with reduced cell wall recalcitrance. The chemical-structural changes of the three major components, cellulose, lignin, and hemicellulose, during LHW pretreatment provide useful and fundamental information of factors governing feedstock recalcitrance during hydrothermal pretreatment. PMID- 29213309 TI - Structure of a Thermobifida fusca lytic polysaccharide monooxygenase and mutagenesis of key residues. AB - Background: Auxiliary activity (AA) enzymes are produced by numerous bacterial and fungal species to assist in the degradation of biomass. These enzymes are abundant but have yet to be fully characterized. Here, we report the X-ray structure of Thermobifida fusca AA10A (TfAA10A), investigate mutational characterization of key surface residues near its active site, and explore the importance of the various domains of Thermobifida fusca AA10B (TfAA10B). The structure of TfAA10A is similar to other bacterial LPMOs (lytic polysaccharide monooxygenases), including signs of photo-reduction and a distorted active site, with mixed features showing both type I and II copper coordination. The point mutation experiments of TfAA10A show that Trp82 and Asn83 are needed for binding, but only Trp82 affects activity. The TfAA10B domain truncation mutants reveal that CBM2 is crucial for the binding of substrate, but that the X1 module does not affect binding or activity. Results: In TfAA10A, Trp82 and Asn83 are needed for binding, but only Trp82 affects activity. The TfAA10B domain truncation mutants reveal that CBM2 is crucial for substrate binding, but that the X1 module does not affect binding or activity. The structure of TfAA10A is similar to other bacterial lytic polysaccharide monooxygenases with mixed features showing both type I and II copper coordination. Conclusions: The role of LPMOs and the variability of abundance in genomes are not fully explored. LPMOs likely perform initial attacks into crystalline cellulose to allow larger processive cellulases to bind and attack, but the precise nature of their synergistic behavior remains to be definitively characterized. PMID- 29213310 TI - Xylan epitope profiling: an enhanced approach to study organ development dependent changes in xylan structure, biosynthesis, and deposition in plant cell walls. AB - Background: Xylan is a major hemicellulosic component in the cell walls of higher plants especially in the secondary walls of vascular cells which are playing important roles in physiological processes and overall mechanical strength. Being the second most abundant cell wall polymer after cellulose, xylan is an abundant non-cellulosic carbohydrate constituent of plant biomass. Xylan structures have been demonstrated to contribute to plant biomass recalcitrance during bioenergy applications. A critical understanding of xylan composition, structure, and biosynthesis in developing plant stems will allow an increased understanding of how cell walls are put together in this organ in a basic research, and, in applied research, will improve strategies in xylan engineering to reduce biomass recalcitrance for economically feasible biofuel production. Methods: We describe an approach to enable the monitoring of xylan epitope structures in cell walls during the stem maturation process in Arabidopsis. The technique integrates glycome profiling, an in vitro immunoanalytical platform, and in situ immunolocalisation to provide comprehensive details on the presence, relative abundances, and dynamics with which diverse xylan epitope structures are integrated to the cell walls throughout the stem maturation process. Results: Our experimental results and the supporting in silico analysis demonstrated that xylan deposition in stems occurs early on in stem development; however, xylan epitope types (representing substituted and unsubstituted regions on xylan backbone made of beta-(1,4)-linked xylose residues) and the strength of their integration into the final wall structure vary during stem maturation. Conclusions: Our novel approach thus provides a method to comprehensively survey the differences in xylan epitope patterning and deposition occurring in stem development and thereby providing a robust tool for characterising altered xylan integration patterns in cell walls during the stem maturation process in diverse plant cell wall biosynthetic mutants. Our findings also suggest that this approach could rapidly and reliably delineate xylan deposition patterns in the cell walls of plants belonging to diverse phylogenetic classes providing novel insights into the functional roles of xylans in overall growth and development. PMID- 29213311 TI - Expression of adhA from different organisms in Clostridium thermocellum. AB - Background: Clostridium thermocellum is a cellulolytic anaerobic thermophile that is a promising candidate for consolidated bioprocessing of lignocellulosic biomass into biofuels such as ethanol. It was previously shown that expressing Thermoanaerobacterium saccharolyticum adhA in C. thermocellum increases ethanol yield.In this study, we investigated expression of adhA genes from different organisms in Clostridium thermocellum. Methods: Based on sequence identity to T. saccharolyticum adhA, we chose adhA genes from 10 other organisms: Clostridium botulinum, Methanocaldococcus bathoardescens, Thermoanaerobacterium ethanolicus, Thermoanaerobacter mathranii, Thermococcus strain AN1, Thermoanaerobacterium thermosaccharolyticum, Caldicellulosiruptor saccharolyticus, Fervidobacterium nodosum, Marinitoga piezophila, and Thermotoga petrophila. All 11 adhA genes (including T. saccharolyticum adhA) were expressed in C. thermocellum and fermentation end products were analyzed. Results: All 11 adhA genes increased C. thermocellum ethanol yield compared to the empty-vector control. C. botulinum and T. ethanolicus adhA genes generated significantly higher ethanol yield than T. saccharolyticum adhA. Conclusion: Our results indicated that expressing adhA is an effective method of increasing ethanol yield in wild-type C. thermocellum, and that this appears to be a general property of adhA genes. PMID- 29213312 TI - Adding tetrahydrofuran to dilute acid pretreatment provides new insights into substrate changes that greatly enhance biomass deconstruction by Clostridium thermocellum and fungal enzymes. AB - Background: Consolidated bioprocessing (CBP) by anaerobes, such as Clostridium thermocellum, which combine enzyme production, hydrolysis, and fermentation are promising alternatives to historical economic challenges of using fungal enzymes for biological conversion of lignocellulosic biomass. However, limited research has integrated CBP with real pretreated biomass, and understanding how pretreatment impacts subsequent deconstruction by CBP vs. fungal enzymes can provide valuable insights into CBP and suggest other novel biomass deconstruction strategies. This study focused on determining the effect of pretreatment by dilute sulfuric acid alone (DA) and with tetrahydrofuran (THF) addition via co solvent-enhanced lignocellulosic fractionation (CELF) on deconstruction of corn stover and Populus with much different recalcitrance by C. thermocellum vs. fungal enzymes and changes in pretreated biomass related to these differences. Results: Coupling CELF fractionation of corn stover and Populus with subsequent CBP by the anaerobe C. thermocellum completely solubilized polysaccharides left in the pretreated solids within only 48 h without adding enzymes. These results were better than those from the conventional DA followed by either CBP or fungal enzymes or CELF followed by fungal enzyme hydrolysis, especially at viable enzyme loadings. Enzyme adsorption on CELF-pretreated corn stover and CELF-pretreated Populus solids were virtually equal, while DA improved the enzyme accessibility for corn stover more than Populus. Confocal scanning light microscopy (CSLM), transmission electron microscopy (TEM), and NMR characterization of solids from both pretreatments revealed differences in cell wall structure and lignin composition, location, coalescence, and migration-enhanced digestibility of CELF pretreated solids. Conclusions: Adding THF to DA pretreatment (CELF) greatly enhanced deconstruction of corn stover and Populus by fungal enzymes and C. thermocellum CBP, and the CELF-CBP tandem was agnostic to feedstock recalcitrance. Composition measurements, material balances, cellulase adsorption, and CSLM and TEM imaging revealed adding THF enhanced the enzyme accessibility, cell wall fractures, and cellular dislocation and cell wall delamination. Overall, enhanced deconstruction of CELF solids by enzymes and particularly by C. thermocellum could be related to lignin removal and alteration, thereby pointing to these factors being key contributors to biomass recalcitrance as a barrier to low-cost biological conversion to sustainable fuels. PMID- 29213313 TI - Agronomic performance of Populus deltoides trees engineered for biofuel production. AB - Background: One of the major barriers to the development of lignocellulosic feedstocks is the recalcitrance of plant cell walls to deconstruction and saccharification. Recalcitrance can be reduced by targeting genes involved in cell wall biosynthesis, but this can have unintended consequences that compromise the agronomic performance of the trees under field conditions. Here we report the results of a field trial of fourteen distinct transgenic Populus deltoides lines that had previously demonstrated reduced recalcitrance without yield penalties under greenhouse conditions. Results: Survival and productivity of the trial were excellent in the first year, and there was little evidence for reduced performance of the transgenic lines with modified target gene expression. Surprisingly, the most striking phenotypic effects in this trial were for two empty-vector control lines that had modified bud set and bud flush. This is most likely due to somaclonal variation or insertional mutagenesis. Traits related to yield, crown architecture, herbivory, pathogen response, and frost damage showed few significant differences between target gene transgenics and empty vector controls. However, there were a few interesting exceptions. Lines overexpressing the DUF231 gene, a putative O-acetyltransferase, showed early bud flush and marginally increased height growth. Lines overexpressing the DUF266 gene, a putative glycosyltransferase, had significantly decreased stem internode length and slightly higher volume index. Finally, lines overexpressing the PFD2 gene, a putative member of the prefoldin complex, had a slightly reduced volume index. Conclusions: This field trial demonstrates that these cell wall modifications, which decreased cell wall recalcitrance under laboratory conditions, did not seriously compromise first-year performance in the field, despite substantial challenges, including an outbreak of a stem boring insect (Gypsonoma haimbachiana), attack by a leaf rust pathogen (Melampsora spp.), and a late frost event. This bodes well for the potential utility of these lines as advanced biofuels feedstocks. PMID- 29213314 TI - Field-grown miR156 transgenic switchgrass reproduction, yield, global gene expression analysis, and bioconfinement. AB - Background: Genetic engineering has been effective in altering cell walls for biofuel production in the bioenergy crop, switchgrass (Panicum virgatum). However, regulatory issues arising from gene flow may prevent commercialization of engineered switchgrass in the eastern United States where the species is native. Depending on its expression level, microRNA156 (miR156) can reduce, delay, or eliminate flowering, which may serve to decrease transgene flow. In this unique field study of transgenic switchgrass that was permitted to flower, two low (T14 and T35) and two medium (T27 and T37) miR156-overexpressing 'Alamo' lines with the transgene under the control of the constitutive maize (Zea mays) ubiquitin 1 promoter, along with nontransgenic control plants, were grown in eastern Tennessee over two seasons. Results: miR156 expression was positively associated with decreased and delayed flowering in switchgrass. Line T27 did not flower during the 2-year study. Line T37 did flower, but not all plants produced panicles. Flowering was delayed in T37, resulting in 70.6% fewer flowers than controls during the second field year with commensurate decreased seed yield: 1205 seeds per plant vs. 18,539 produced by each control. These results are notable given that line T37 produced equivalent vegetative aboveground biomass to the controls. miR156 transcript abundance of field-grown plants was congruent with greenhouse results. The five miR156 SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) target genes had suppressed expression in one or more of the transgenic lines. Line T27, which had the highest miR156 overexpression, showed significant downregulation for all five SPL genes. On the contrary, line T35 had the lowest miR156 overexpression and had no significant change in any of the five SPL genes. Conclusions: Because of the research field's geographical features, this study was the first instance of any genetically engineered trait in switchgrass, in which experimental plants were allowed to flower in the field in the eastern U.S.; USDA-APHIS-BRS regulators allowed open flowering. We found that medium overexpression of miR156, e.g., line T37, resulted in delayed and reduced flowering accompanied by high biomass production. We propose that induced miR156 expression could be further developed as a transgenic switchgrass bioconfinement tool to enable eventual commercialization. PMID- 29213315 TI - Comprehensive characterization of toxicity of fermentative metabolites on microbial growth. AB - Background: Volatile carboxylic acids, alcohols, and esters are natural fermentative products, typically derived from anaerobic digestion. These metabolites have important functional roles to regulate cellular metabolisms and broad use as food supplements, flavors and fragrances, solvents, and fuels. Comprehensive characterization of toxic effects of these metabolites on microbial growth under similar conditions is very limited. Results: We characterized a comprehensive list of thirty-two short-chain carboxylic acids, alcohols, and esters on microbial growth of Escherichia coli MG1655 under anaerobic conditions. We analyzed toxic effects of these metabolites on E. coli health, quantified by growth rate and cell mass, as a function of metabolite types, concentrations, and physiochemical properties including carbon number, chemical functional group, chain branching feature, energy density, total surface area, and hydrophobicity. Strain characterization revealed that these metabolites exert distinct toxic effects on E. coli health. We found that higher concentrations and/or carbon numbers of metabolites cause more severe growth inhibition. For the same carbon numbers and metabolite concentrations, we discovered that branched chain metabolites are less toxic than the linear chain ones. Remarkably, shorter alkyl esters (e.g., ethyl butyrate) appear less toxic than longer alkyl esters (e.g., butyl acetate). Regardless of metabolites, hydrophobicity of a metabolite, governed by its physiochemical properties, strongly correlates with the metabolite's toxic effect on E. coli health. Conclusions: Short-chain alcohols, acids, and esters exhibit distinctive toxic effects on E. coli health. Hydrophobicity is a quantitative predictor to evaluate the toxic effect of a metabolite. This study sheds light on degrees of toxicity of fermentative metabolites on microbial health and further helps in the selection of desirable metabolites and hosts for industrial fermentation to overproduce them. PMID- 29213316 TI - Visualizing chemical functionality in plant cell walls. AB - Understanding plant cell wall cross-linking chemistry and polymeric architecture is key to the efficient utilization of biomass in all prospects from rational genetic modification to downstream chemical and biological conversion to produce fuels and value chemicals. In fact, the bulk properties of cell wall recalcitrance are collectively determined by its chemical features over a wide range of length scales from tissue, cellular to polymeric architectures. Microscopic visualization of cell walls from the nanometer to the micrometer scale offers an in situ approach to study their chemical functionality considering its spatial and chemical complexity, particularly the capabilities of characterizing biomass non-destructively and in real-time during conversion processes. Microscopic characterization has revealed heterogeneity in the distribution of chemical features, which would otherwise be hidden in bulk analysis. Key microscopic features include cell wall type, wall layering, and wall composition-especially cellulose and lignin distributions. Microscopic tools, such as atomic force microscopy, stimulated Raman scattering microscopy, and fluorescence microscopy, have been applied to investigations of cell wall structure and chemistry from the native wall to wall treated by thermal chemical pretreatment and enzymatic hydrolysis. While advancing our current understanding of plant cell wall recalcitrance and deconstruction, microscopic tools with improved spatial resolution will steadily enhance our fundamental understanding of cell wall function. PMID- 29213317 TI - Dynamic changes in transcriptome and cell wall composition underlying brassinosteroid-mediated lignification of switchgrass suspension cells. AB - Background: Plant cell walls contribute the majority of plant biomass that can be used to produce transportation fuels. However, the complexity and variability in composition and structure of cell walls, particularly the presence of lignin, negatively impacts their deconstruction for bioenergy. Metabolic and genetic changes associated with secondary wall development in the biofuel crop switchgrass (Panicum virgatum) have yet to be reported. Results: Our previous studies have established a cell suspension system for switchgrass, in which cell wall lignification can be induced by application of brassinolide (BL). We have now collected cell wall composition and microarray-based transcriptome profiles for BL-induced and non-induced suspension cultures to provide an overview of the dynamic changes in transcriptional reprogramming during BL-induced cell wall modification. From this analysis, we have identified changes in candidate genes involved in cell wall precursor synthesis, cellulose, hemicellulose, and pectin formation and ester-linkage generation. We have also identified a large number of transcription factors with expression correlated with lignin biosynthesis genes, among which are candidates for control of syringyl (S) lignin accumulation. Conclusion: Together, this work provides an overview of the dynamic compositional changes during brassinosteroid-induced cell wall remodeling, and identifies candidate genes for future plant genetic engineering to overcome cell wall recalcitrance. PMID- 29213318 TI - Targeted redox and energy cofactor metabolomics in Clostridium thermocellum and Thermoanaerobacterium saccharolyticum. AB - Background: Clostridium thermocellum and Thermoanaerobacterium saccharolyticum are prominent candidate biocatalysts that, together, can enable the direct biotic conversion of lignocellulosic biomass to ethanol. The imbalance and suboptimal turnover rates of redox cofactors are currently hindering engineering efforts to achieve higher bioproductivity in both organisms. Measuring relevant intracellular cofactor concentrations will help understand redox state of these cofactors and help identify a strategy to overcome these limitations; however, metabolomic determinations of these labile metabolites have historically proved challenging. Results: Through our validations, we verified the handling and storage stability of these metabolites, and verified extraction matrices and extraction solvent were not suppressing mass spectrometry signals. We recovered adenylate energy charge ratios (a main quality indicator) above 0.82 for all extractions. NADH/NAD+ values of 0.26 and 0.04 for an adhE-deficient strain of C. thermocellum and its parent, respectively, reflect the expected shift to a more reduced redox potential when a species lacks the ability to re-oxidize NADH by synthesizing ethanol. This method failed to yield reliable results with C. bescii and poor-growing strains of T. saccharolyticum. Conclusions: Our validated protocols demonstrate and validate the extraction and analysis of selected redox and energy-related metabolites from two candidate consolidated bioprocessing biocatalysts, C. thermocellum and T. saccharolyticum. This development and validation highlights the important, but often neglected, need to optimize and validate metabolomic protocols when adapting them to new cell or tissue types. PMID- 29213319 TI - Natural diversity of glycoside hydrolase family 48 exoglucanases: insights from structure. AB - Glycoside hydrolase (GH) family 48 is an understudied and increasingly important exoglucanase family found in the majority of bacterial cellulase systems. Moreover, many thermophilic enzyme systems contain GH48 enzymes. Deletion of GH48 enzymes in these microorganisms results in drastic reduction in biomass deconstruction. Surprisingly, given their importance for these microorganisms, GH48s have intrinsically low cellulolytic activity but even in low ratios synergize greatly with GH9 endoglucanases. In this study, we explore the structural and enzymatic diversity of these enzymes across a wide range of temperature optima. We have crystallized one new GH48 module from Bacillus pumilus in a complex with cellobiose and cellohexaose (BpumGH48). We compare this structure to other known GH48 enzymes in an attempt to understand GH48 structure/function relationships and draw general rules correlating amino acid sequences and secondary structures to thermostability in this GH family. PMID- 29213320 TI - Metabolome analysis reveals a role for glyceraldehyde 3-phosphate dehydrogenase in the inhibition of C. thermocellum by ethanol. AB - Background: Clostridium thermocellum is a promising microorganism for conversion of cellulosic biomass to biofuel, without added enzymes; however, the low ethanol titer produced by strains developed thus far is an obstacle to industrial application. Results: Here, we analyzed changes in the relative concentration of intracellular metabolites in response to gradual addition of ethanol to growing cultures. For C. thermocellum, we observed that ethanol tolerance, in experiments with gradual ethanol addition, was twofold higher than previously observed in response to a stepwise increase in the ethanol concentration, and appears to be due to a mechanism other than mutation. As ethanol concentrations increased, we found accumulation of metabolites upstream of the glyceraldehyde 3-phosphate dehydrogenase (GAPDH) reaction and depletion of metabolites downstream of that reaction. This pattern was not observed in the more ethanol-tolerant organism Thermoanaerobacterium saccharolyticum. We hypothesize that the Gapdh enzyme may have different properties in the two organisms. Our hypothesis is supported by enzyme assays showing greater sensitivity of the C. thermocellum enzyme to high levels of NADH, and by the increase in ethanol tolerance and production when the T. saccharolyticum gapdh was expressed in C. thermocellum. Conclusions: We have demonstrated that a metabolic bottleneck occurs at the GAPDH reaction when the growth of C. thermocellum is inhibited by high levels of ethanol. We then showed that this bottleneck could be relieved by expression of the gapdh gene from T. saccharolyticum. This enzyme is a promising target for future metabolic engineering work. PMID- 29213321 TI - The effect of coumaryl alcohol incorporation on the structure and composition of lignin dehydrogenation polymers. AB - Background: Lignin dehydrogenation polymers (DHPs) are polymers generated from phenolic precursors for the purpose of studying lignin structure and polymerization processes. Methods: Here, DHPs were synthesized using a Zutropfverfahren method with horseradish peroxidase and three lignin monomers, sinapyl (S), coumaryl (H), and coniferyl (G) alcohols, in the presence of hydrogen peroxide. The H monomer was reacted with G and a 1:1 molar mixture of S:G monomers at H molar compositions of 0, 5, 10, and 20 mol% to study how the presence of the H monomer affected the structure and composition of the recovered polymers. Results: At low H concentrations, solid-state NMR spectra suggest that the H and G monomers interact to form G:H polymers that have a lower average molecular weight than the solely G-based polymer or the G:H polymer produced at higher H concentrations. Solid-state NMR and pyrolysis-MBMS analyses suggest that at higher H concentrations, the H monomer primarily self-polymerizes to produce clusters of H-based polymer that are segregated from clusters of G- or S:G-based polymers. Thioacidolysis generally showed higher recoveries of thioethylated products from S:G or S:G:H polymers made with higher H content, indicating an increase in the linear ether linkages. Conclusions: Overall, the experimental results support theoretical predictions for the reactivity and structural influences of the H monomer on the formation of lignin-like polymers. PMID- 29213322 TI - Deletion of the hfsB gene increases ethanol production in Thermoanaerobacterium saccharolyticum and several other thermophilic anaerobic bacteria. AB - Background: With the discovery of interspecies hydrogen transfer in the late 1960s (Bryant et al. in Arch Microbiol 59:20-31, 1967), it was shown that reducing the partial pressure of hydrogen could cause mixed acid fermenting organisms to produce acetate at the expense of ethanol. Hydrogen and ethanol are both more reduced than glucose. Thus there is a tradeoff between production of these compounds imposed by electron balancing requirements; however, the mechanism is not fully known. Results: Deletion of the hfsA or B subunits resulted in a roughly 1.8-fold increase in ethanol yield. The increase in ethanol production appears to be associated with an increase in alcohol dehydrogenase activity, which appears to be due, at least in part, to increased expression of the adhE gene, and may suggest a regulatory linkage between hfsB and adhE. We studied this system most intensively in the organism Thermoanaerobacterium saccharolyticum; however, deletion of hfsB also increases ethanol production in other thermophilic bacteria suggesting that this could be used as a general technique for engineering thermophilic bacteria for improved ethanol production in organisms with hfs-type hydrogenases. Conclusion: Since its discovery by Shaw et al. (JAMA 191:6457-64, 2009), the hfs hydrogenase has been suspected to act as a regulator due to the presence of a PAS domain. We provide additional support for the presence of a regulatory phenomenon. In addition, we find a practical application for this scientific insight, namely increasing ethanol yield in strains that are of interest for ethanol production from cellulose or hemicellulose. In two of these organisms (T. xylanolyticum and T. thermosaccharolyticum), the ethanol yields are the highest reported to date. PMID- 29213323 TI - Defined tetra-allelic gene disruption of the 4-coumarate:coenzyme A ligase 1 (Pv4CL1) gene by CRISPR/Cas9 in switchgrass results in lignin reduction and improved sugar release. AB - Background: The development of genome editing technologies offers new prospects in improving bioenergy crops like switchgrass (Panicum virgatum). Switchgrass is an outcrossing species with an allotetraploid genome (2n = 4x = 36), a complexity which forms an impediment to generating homozygous knock-out plants. Lignin, a major component of the plant cell wall and a contributor to cellulosic feedstock's recalcitrance to decomposition, stands as a barrier to efficient biofuel production by limiting enzyme access to cell wall polymers during the fermentation process. Results: We developed a CRISPR/Cas9 genome editing system in switchgrass to target a key enzyme involved in the early steps of monolignol biosynthesis, 4-Coumarate:coenzyme A ligase (4CL). Three 4CL genes, Pv4CL1, Pv4CL2, and Pv4CL3, were identified in switchgrass. Expression analysis revealed that Pv4CL1 transcripts were more abundant in the stem than in the leaf, while Pv4CL2 transcripts were barely detectable and Pv4CL3 was mainly expressed in the leaf. Pv4CL1 was selected as the target for CRISPR/Cas9 editing because of its preferential expression in highly lignified stem tissues. Specific guide RNA was constructed to target Pv4CL1. After introducing the construct into switchgrass calli, 39 transgenic plants were regenerated. Using two rounds of PCR screening and sequencing, four plants were confirmed to have tetra-allelic mutations simultaneously. The Pv4CL1 knock-out plants had reduced cell wall thickness, an 8 30% reduction in total lignin content, a 7-11% increase in glucose release, and a 23-32% increase in xylose release. Conclusion: This study established a successful CRISPR/Cas9 system in switchgrass with mutation efficiency reaching 10%. The system allows the precise targeting of the selected Pv4CL1 gene to create switchgrass knock-out mutant plants with decreased lignin content and reduced recalcitrance. PMID- 29213324 TI - Progress in understanding and overcoming biomass recalcitrance: a BioEnergy Science Center (BESC) perspective. AB - The DOE BioEnergy Science Center has operated as a virtual center with multiple partners for a decade targeting overcoming biomass recalcitrance. BESC has redefined biomass recalcitrance from an observable phenotype to a better understood and manipulatable fundamental and operational property. These manipulations are the result of deeper biological understanding and can be combined with other advanced biotechnology improvements in biomass conversion to improve bioenergy processes and markets. This article provides an overview of key accomplishments in overcoming recalcitrance via better plants, better microbes, and better tools and combinations. A perspective on the aspects of successful center operation is presented. PMID- 29213326 TI - Correction to: Identification and characterization of a galacturonic acid transporter from Neurospora crassa and its application for Saccharomyces cerevisiae fermentation processes. AB - [This corrects the article DOI: 10.1186/1754-6834-7-20.]. PMID- 29213325 TI - Designer biomass for next-generation biorefineries: leveraging recent insights into xylan structure and biosynthesis. AB - Xylans are the most abundant noncellulosic polysaccharides in lignified secondary cell walls of woody dicots and in both primary and secondary cell walls of grasses. These polysaccharides, which comprise 20-35% of terrestrial biomass, present major challenges for the efficient microbial bioconversion of lignocellulosic feedstocks to fuels and other value-added products. Xylans play a significant role in the recalcitrance of biomass to degradation, and their bioconversion requires metabolic pathways that are distinct from those used to metabolize cellulose. In this review, we discuss the key differences in the structural features of xylans across diverse plant species, how these features affect their interactions with cellulose and lignin, and recent developments in understanding their biosynthesis. In particular, we focus on how the combined structural and biosynthetic knowledge can be used as a basis for biomass engineering aimed at developing crops that are better suited as feedstocks for the bioconversion industry. PMID- 29213327 TI - Green route to synthesis of valuable chemical 6-hydroxynicotine from nicotine in tobacco wastes using genetically engineered Agrobacterium tumefaciens S33. AB - Background: Tobacco is widely planted as an important nonfood economic crop throughout the world, and large amounts of tobacco wastes are generated during the tobacco manufacturing process. Tobacco and its wastes contain high nicotine content. This issue has become a major concern for health and environments due to its toxicity and complex physiological effects. The microbial transformation of nicotine into valuable functionalized pyridine compounds is a promising way to utilize tobacco and its wastes as a potential biomass resource. Agrobacterium tumefaciens S33 is able to degrade nicotine via a novel hybrid of the pyridine and pyrrolidine pathways, in which several intermediates, such as 6 hydroxynicotine, can be used as renewable precursors to synthesize drugs and insecticides. This provides an opportunity to produce valuable chemical 6 hydroxynicotine from nicotine via biocatalysis using strain S33. Results: To accumulate the intermediate 6-hydroxynicotine, we firstly identified the key enzyme decomposing 6-hydroxynicotine, named 6-hydroxynicotine oxidase, and then disrupted its encoding gene in A. tumefaciens S33. With the whole cells of the mutant as a biocatalyst, we tested the possibility to produce 6-hydroxynicotine from the nicotine of tobacco and its wastes and optimized the reaction conditions. At 30 degrees C and pH 7.0, nicotine could be efficiently transformed into 6-hydroxynicotine by the whole cells cultivated with glucose/ammonium/6-hydroxy-3-succinoylpyridine medium. The molar conversion and the specific catalytic rate reached approximately 98% and 1.01 g 6 hydroxynicotine h-1 g-1 dry cells, respectively. The product could be purified easily by dichloromethane extraction with a recovery of 76.8%, and was further confirmed by UV spectroscopy, mass spectroscopy, and NMR analysis. Conclusions: We successfully developed a novel biocatalytic route to 6-hydroxynicotine from nicotine by blocking the nicotine catabolic pathway via gene disruption, which provides an alternative green strategy to utilize tobacco and its wastes as a biomass resource by converting nicotine into valuable hydroxylated-pyridine compounds. PMID- 29213328 TI - The transcription factors Hsf1 and Msn2 of thermotolerant Kluyveromyces marxianus promote cell growth and ethanol fermentation of Saccharomyces cerevisiae at high temperatures. AB - Background: High temperature inhibits cell growth and ethanol fermentation of Saccharomyces cerevisiae. As a complex phenotype, thermotolerance usually involves synergistic actions of many genes, thereby being difficult to engineer. The overexpression of either endogenous or exogenous stress-related transcription factor genes in yeasts was found to be able to improve relevant stress tolerance of the hosts. Results: To increase ethanol yield of high-temperature fermentation, we constructed a series of strains of S. cerevisiae by expressing 8 transcription factor genes from S. cerevisiae and 7 transcription factor genes from thermotolerant K. marxianus in S. cerevisiae. The results of growth curve measurements and spotting test show that KmHsf1 and KmMsn2 can enhance cell growth of S. cerevisiae at 40-42 degrees C. According to the results of batch fermentation at 43 degrees C with an initial glucose concentration of 104.8 g/l, the fermentation broths of KmHSF1 and KmMSN2-expressing strains could reach final ethanol concentrations of 27.2 +/- 1.4 and 27.6 +/- 1.2 g/l, respectively, while the control strain just produced 18.9 +/- 0.3 g/l ethanol. Transcriptomic analysis found that the expression of KmHSF1 and KmMSN2 resulted in 55 (including 31 up-regulated and 24 down-regulated) and 50 (including 32 up-regulated and 18 down-regulated) genes with different expression levels, respectively (padj < 0.05). The results of transcriptomic analysis also reveal that KmHsf1 might increase ethanol production by regulating genes related to transporter activity to limit excessive ATP consumption and promote the uptake of glucose; while KmMsn2 might promote ethanol fermentation by regulating genes associated with glucose metabolic process and glycolysis/gluconeogenesis. In addition, KmMsn2 might also help to cope with high temperature by regulating genes associated with lipid metabolism to change the membrane fluidity. Conclusions: The transcription factors KmHsf1 and KmMsn2 of thermotolerant K. marxianus can promote both cell growth and ethanol fermentation of S. cerevisiae at high temperatures. Different mechanisms of KmHsf1 and KmMsn2 in promoting high-temperature ethanol fermentation of S. cerevisiae were revealed by transcriptomic analysis. PMID- 29213329 TI - Oxygen-radical pretreatment promotes cellulose degradation by cellulolytic enzymes. AB - Background: The efficiency of cellulolytic enzymes is important in industrial biorefinery processes, including biofuel production. Chemical methods, such as alkali pretreatment, have been extensively studied and demonstrated as effective for breaking recalcitrant lignocellulose structures. However, these methods have a detrimental effect on the environment. In addition, utilization of these chemicals requires alkali- or acid-resistant equipment and a neutralization step. Results: Here, a radical generator based on non-thermal atmospheric pressure plasma technology was developed and tested to determine whether oxygen-radical pretreatment enhances cellulolytic activity. Our results showed that the viscosity of carboxymethyl cellulose (CMC) solutions was reduced in a time dependent manner by oxygen-radical pretreatment using the radical generator. Compared with non-pretreated CMC, oxygen-radical pretreatment of CMC significantly increased the production of reducing sugars in culture supernatant containing various cellulases from Phanerochaete chrysosporium. The production of reducing sugar from oxygen-radical-pretreated CMC by commercially available cellobiohydrolases I and II was 1.7- and 1.6-fold higher, respectively, than those from non-pretreated and oxygen-gas-pretreated CMC. Moreover, the amount of reducing sugar from oxygen-radical-pretreated wheat straw was 1.8-fold larger than those from non-pretreated and oxygen-gas-pretreated wheat straw. Conclusions: Oxygen-radical pretreatment of CMC and wheat straw enhanced the degradation of cellulose by reducing- and non-reducing-end cellulases in the supernatant of a culture of the white-rot fungus P. chrysosporium. These findings indicated that oxygen-radical pretreatment of plant biomass offers great promise for improvements in lignocellulose-deconstruction processes. PMID- 29213330 TI - Renewable synthesis of n-butyraldehyde from glucose by engineered Escherichia coli. AB - Background: n-Butyraldehyde is a high-production volume chemical produced exclusively from hydroformylation of propylene. It is a versatile chemical used in the synthesis of diverse C4-C8 alcohols, carboxylic acids, esters, and amines. Its high demand and broad applications make it an ideal chemical to be produced from biomass. Results: An Escherichia coli strain was engineered to produce n butyraldehyde directly from glucose by expressing a modified Clostridium CoA dependent n-butanol production pathway with mono-functional Coenzyme A-acylating aldehyde dehydrogenase (Aldh) instead of the natural bifunctional aldehyde/alcohol dehydrogenase. Aldh from Clostridium beijerinckii outperformed the other tested homologues. However, the presence of native alcohol dehydrogenase led to spontaneous conversion of n-butyraldehyde to n-butanol. This problem was addressed by knocking out native E. coli alcohol dehydrogenases, significantly improving the butyraldehyde-to-butanol ratio. This ratio was further increased reducing media complexity from Terrific broth to M9 media containing 2% yeast extract. To increase production titer, in situ liquid-liquid extraction using dodecane and oleyl alcohol was investigated. Results showed oleyl alcohol as a better extractant, increasing the titer of n-butyraldehyde produced to 630 mg/L. Conclusion: This study demonstrated n-butyraldehyde production from glucose. Through sequential strain and condition optimizations, butyraldehyde-to-butanol ratio was improved significantly compared to the parent strain. Results from this work may serve as a basis for further development of renewable n-butyraldehyde production. PMID- 29213332 TI - Artificial intelligence: more human with human. PMID- 29213331 TI - Noninvasive prenatal diagnosis of fetal aneuploidy by circulating fetal nucleated red blood cells and extravillous trophoblasts using silicon-based nanostructured microfluidics. AB - Background: Noninvasive prenatal testing (NIPT) based on cell-free DNA in maternal circulation has been accepted worldwide by the clinical community since 2011 but limitations, such as maternal malignancy and fetoplacental mosaicism, preclude its full replacement of invasive prenatal diagnosis. We present a novel silicon-based nanostructured microfluidics platform named as "Cell RevealTM" to demonstrate the feasibility of capturing circulating fetal nucleated red blood cells (fnRBC) and extravillous cytotrophoblasts (EVT) for cell-based noninvasive prenatal diagnosis (cbNIPD). Methods: The "Cell RevealTM" system is a silicon based, nanostructured microfluidics using immunoaffinity to capture the trophoblasts and the nucleated RBC (nRBC) with specific antibodies. The automated computer analysis software was used to identify the targeted cells through additional immunostaining of the corresponding antigens. The identified cells were retrieved for whole genome amplification for subsequent investigations by micromanipulation in one microchip, and left in situ for subsequent fluorescence in situ hybridization (FISH) in another microchip. When validation, bloods from pregnant women (n = 24) at gestational age 11-13+6 weeks were enrolled. When verification, bloods from pregnant women (n = 5) receiving chorionic villus sampling or amniocentesis at gestation age 11+4-21 weeks with an aneuploid or euploid fetus were enrolled, followed by genetic analyses using FISH, short tandem repeat (STR) analyses, array comparative genomic hybridization, and next generation sequencing, in which the laboratory is blind to the fetal genetic complement. Results: The numbers of captured targeted cells were 1-44 nRBC/2 ml and 1-32 EVT/2 ml in the validation group. The genetic investigations performed in the verification group confirmed the captured cells to be fetal origin. In every 8 ml of the maternal blood being blindly tested, both fnRBC and EVT were always captured. The numbers of captured fetal cells were 14-22 fnRBC/4 ml and 1 44 EVT/4 ml of maternal blood. Conclusions: This report is one of the first few to verify the capture of fnRBC in addition to EVT. The scalability of our automated system made us one step closer toward the goal of in vitro diagnostics. PMID- 29213333 TI - Comparative genomic analysis of Clostridium difficile ribotype 027 strains including the newly sequenced strain NCKUH-21 isolated from a patient in Taiwan. AB - Background: Clostridium difficile is a Gram-positive anaerobe and the leading cause of antibiotic-associated diarrhea worldwide. The emergence of ribotype 027 (RT027) strains is associated with increased incidence of infection and mortality. To further understand the relationship between C. difficile NCKUH-21, a RT027 strain isolated from a patient in Taiwan, and other RT027 strains, we performed whole-genome shotgun sequencing on NCKUH-21 and comparative genomic analyses. Results: The genome size, G+C content, and gene number for the NCKUH-21 strain were determined to be similar to those for other C. difficile strains. The core genome phylogeny indicated that the five RT027 strains R20291, CD196, NCKUH 21, BI1, and 2007855 formed a clade. A pathogenicity locus, tcdR-tcdB-tcdE-orf tcdA-tcdC, was conserved in the genome. A genomic region highly similar to the Clostridium phage [Formula: see text]CD38-2 was present in the NCKUH-21 strain but absent in the other RT027 strains and designated as the prophage [Formula: see text]NCKUH-21. The prophage [Formula: see text]NCKUH-21 genes were significantly higher in G+C content than the other genes in the NCKUH-21 genome, indicating that the prophage does not match the base composition of the host genome. Conclusions: This is the first whole-genome analysis of a RT027 C. difficile strain isolated from Taiwan. Due to the high identity with [Formula: see text]CD38-2, the prophage identified in the NCKUH-21 genome has the potential to regulate toxin production. These results provide important information for understanding the pathogenicity of RT027 C. difficile in Taiwan. PMID- 29213334 TI - Measuring the Empowerment of International Organizations: The Evolution of Financial and Staff Capabilities. AB - International organizations' (IOs) power in shaping global governance outcomes is not only determined by the formal delegation of tasks and issue areas but also by the necessary capabilities to fulfill these tasks. Yet, extant research on the delegation of power to IOs gives few insights into the financial and staff capabilities of IOs and focuses mainly on the formal rules that specify IOs' tasks and issue scope. To address these limitations, this paper makes three contributions. First, we propose a more encompassing concept of IO power which incorporates three principal components: tasks, issue scope, and capabilities. Second, we introduce a new concept - IO empowerment (IOE) - which encapsulates formal and informal changes in IO power over time. Third, we introduce a novel dataset on IO capabilities, which measures the formal rules governing IO staff and financial resources as well as the actual capabilities available to six well known IOs over 65 years. These original data show that capabilities vary not only across IOs but also over time. PMID- 29213335 TI - Liraglutide attenuates atherosclerosis via inhibiting ER-induced macrophage derived microvesicles production in T2DM rats. AB - Background: We investigated the effects of liraglutide on the formation and progression of atherosclerosis in type 2 diabetes mellitus (T2DM) rats. Methods: Sprague-Dawley rats were divided into control group, diabetes group and liraglutide treated group. The T2DM rats model with atherosclerosis were induced by high fat diet followed small dosage streptozotocin injection. Body weight and blood glucose levels were monitored once a week for 3 months and then the rats were sacrificed.Peripheral blood and aorta tissues were collected for further biochemical and pathological estimation respectively. Moreover, immunohistochemistry staining was used to detect the infiltration of macrophages and cell apoptosis in tissue samples. The amount of microvesicles of atherosclerotic plaques was determined by ELISA. Western blot was applied to detect the protein expressions of CHOP, GRP78 and caspase-3 in tissue samples. The mRNA expressions of SREBP-1c and FAS were detected by RT-PCR. Results: The rat model of diabetic atherosclerosis was established successfully. Compared with the control group, glucose, triglycerides, total cholesterol, AST, ALT, BUN, fasting insulin and homeostatic model assessment insulin resistance levels in peripheral blood were significantly increased in the diabetes group. While, these indicators in the liraglutide group were significantly lower than that in the diabetes group. Moreover, the atherosclerotic plaques were observed in the rats of diabetes group but not remarkable in the liraglutide group. The ratio between aorta intima and media thickness was significantly greater in the diabetes group than that in the liraglutide group. Compared with the diabetes group, the infiltration and apoptosis of macrophages were milder in the liraglutide group. The expressions of CD68, caspase-3, CHOP and GRP78 in aorta tissue samples were significantly downregulated in the liraglutide group than that in the diabetes group. Furthermore, the microvesicles of aorta tissues in the liraglutide group were significantly decreased than that in the diabetes group. The mRNA expressions of SREBP-1c and FAS were lower in the liraglutide group than that in the diabetes group. Conclusion: Liraglutide attenuates diabetic atherosclerosis by inhibition of ER stress and subsequent macrophage apoptosis and microvesicles production in T2DM rats. PMID- 29213336 TI - Adiponectin/resistin interplay in serum and in adipose tissue of obese and normal weight individuals. AB - Background: The interplay between adiponectin and resistin, the two adipokines of opposite effects, may determine the metabolic profile of obese individuals and development of obesity-related complications. The current study was conducted to assess how adiponectin/resistin interplay in sera and adipose tissues may influence the metabolic profile of obese and normal-weight subjects. Methods: Concentrations of adiponectin and resistin were measured on protein level by immunoassay in visceral and subcutaneous adipose tissues from 50 obese (body mass index > 40 kg/m2) and 28 normal-weight (body mass index 20-24.9 kg/m2) individuals. Simultaneously expression of ADIPOQ and RETN (encoding adiponectin and resistin, respectively) was assessed on mRNA level by real-time PCR. Results: ADIPOQ mRNA (P = 0.0001) and adiponectin protein (P = 0.0013) levels were lower, while RETN mRNA (P = 0.0338) and resistin (P < 0.0001)-higher in subcutaneous adipose tissues of obese subjects. ADIPOQ and RETN mRNA levels did not correlate with protein concentrations in the investigated adipose tissues. In obesity adiponectin serum concentrations correlated positively with ADIPOQ mRNA in subcutaneous adipose tissue (P = 0.005) and negatively with protein levels in visceral adipose tissue (P = 0.001). Obesity was associated with higher adiponectin-resistin index value in sera (P < 0.0001) and decreased in subcutaneous adipose tissue (P < 0.001), but only adiponectin-resistin index measured in sera was significantly higher in obese with the metabolic syndrome (P = 0.04). Conclusions: Obesity affects synthesis of adiponectin and resistin mainly in subcutaneous adipose tissue. The adiponectin-resistin index assessed in the adipose tissues has a different prognostic value compared to the adiponectin resistin index in serum and does not reflect a metabolic risk in obese individuals. PMID- 29213337 TI - Effectiveness of long-term treatment with SGLT2 inhibitors: real-world evidence from a specialized diabetes center. AB - Background: Diabetes is a progressive disease needing multiple drugs for achieving and maintaining good glycemic control. Sodium-glucose co-transporter 2 inhibitors (SGLT2i) is a novel class of anti-diabetic agent which offers several beneficial effects. However, the long-term effectiveness in clinical practice and safety data of SGLT2 inhibitors is limited, especially in Asian patients. To better understand the effectiveness of SGLT2i in clinical practice, we conducted a retrospective evaluation of patients with diabetes on SGLT2i. Methods: This retrospective observational study uses data of patients with diabetes who had been prescribed SGLT2i and continued to use at least 6 months at Theptarin Hospital, Bangkok. The characteristics of patients, changes in glycemic control and body weight at 3, 6, 12, 18, 24 months and the last follow-up were evaluated. Results: A total of 189 patients with diabetes (females 50.3%, mean age 59.9 +/- 12.3 years, T2DM 97.3%, duration of diabetes 16.3 +/- 9.2 years, baseline BMI 29.9 +/- 6.1 kg/m2, baseline HbA1c 8.8 +/- 1.6%) were prescribed SGLT2i during the study period. At the time of first SGLT2i prescription, 80.4% used three or more other anti-diabetic agents concomitantly and 34.6% used insulin concomitantly. 151 patients who continue to use at least 6 months were included in analysis. At the last follow-up (median time 16 months), overall median HbA1c reduction and weight reduction were 1.0% and 1.5 kg, respectively. While glycemic control could maintain up to 18 months, weight loss gradually rebounded after the first 6 months and then backed to baseline body weight at 18 months (78.2 +/- 18.0 kg vs. 78.0 +/- 17.8, p value = 0.324). The incidence of adverse drug reactions of special interest (polyuria, volume depletion-related events, urinary tract infection, genital infection, and hypoglycemia) was 2.1, 1.6, 2.1, 2.6, and 7.9%, respectively. Discussion: This real-world study confirmed long-term durability of glycemic control with SGLT2i in not only monotherapy, but also add on studies with other oral anti-diabetic drugs and/or insulin treatment. However, weight loss became evident early after 6 weeks then reached slightly rebounds after 24 weeks until the end of follow-up. Further studies should be done towards a better understanding of treatment with SGLT2i in routine clinical practice. PMID- 29213338 TI - Particle therapy and nanomedicine: state of art and research perspectives. AB - Cancer radiation therapy with charged particle beams, called particle therapy, is a new therapeutic treatment presenting major advantages when compared to conventional radiotherapy. Because ions have specific ballistic properties and a higher biological effectiveness, they are superior to x-rays. Numerous medical centres are starting in the world using mostly protons but also carbon ions as medical beams. Several investigations are attempting to reduce the cost/benefit ratio and enlarge the range of therapeutic indications. A major limitation of particle therapy is the presence of low but significant damage induced in healthy tissues located at the entrance of the ion track prior to reaching the tumour. It is thus a major challenge to improve the targeting of the tumours, concentrating radiation effects in the malignance. A novel strategy, based on the addition of nanoparticles targeting the tumour, was suggested over a decade ago to improve the performance of conventional photon therapy. Recently, similar developments have emerged for particle therapy and the amount of research is now exploding. In this paper, we review the experimental results, as well as theoretical and simulation studies that shed light in the promising outcomes of this strategy and in the underpinning mechanisms. Several experiments provide consistent evidence of significant enhancement of ion radiation effects in the presence of nanoparticles. In view of implementing this strategy for cancer treatment, simulation studies have begun to establish the rationale and the specificity of this effect. In addition, these studies will help to outline a list of possible mechanisms and to predict the impact of ion beams and nanoparticle characteristics. Many questions remain unsolved, but the findings of these first studies are encouraging and open new challenges. After summarizing the main results in the field, we propose a roadmap to pursue future research with the aim to strengthen the potential interplay between particle therapy and nanomedicine. PMID- 29213340 TI - The Sense of Commitment in Human-Robot Interaction. AB - The sense of commitment is a fundamental building block of human social life. By generating and/or stabilizing expectations about contributions that individual agents will make to the goals of other agents or to shared goals, a sense of commitment can facilitate the planning and coordination of actions involving multiple agents. Moreover, it can also increase individual agents' motivation to contribute to other agents' goals or to shared goals, as well as their willingness to rely on other agents' contributions. In this paper, we provide a starting point for designing robots that exhibit and/or elicit a sense of commitment. We identify several challenges that such a project would likely confront, and consider possibilities for meeting these challenges. PMID- 29213339 TI - Comparison of quantification algorithms for circulating cell-free DNA methylation biomarkers in blood plasma from cancer patients. AB - Background: SHOX2 and SEPT9 methylation in circulating cell-free DNA (ccfDNA) in blood are established powerful and clinically valuable biomarkers for diagnosis, staging, prognosis, and monitoring of cancer patients. The aim of the present study was to evaluate different quantification algorithms (relative quantification, absolute quantification, quasi-digital PCR) with regard to their clinical performance. Methods: Methylation analyses were performed in a training cohort (141 patients with head and neck squamous cell carcinoma [HNSCC], 170 control cases) and a testing cohort (137 HNSCC cases, 102 controls). DNA was extracted from plasma samples, bisulfite-converted, and analyzed via quantitative real-time PCR. SHOX2 and SEPT9 methylations were assessed separately and as panel [mean SEPT9/SHOX2 ] using the DeltaCT method for absolute quantification and the DeltaDeltaCT-method for relative quantification. Quasi-digital PCR was defined as the number of amplification-positive PCR replicates. The diagnostic (sensitivity, specificity, area under the curve (AUC) of the receiver operating characteristic (ROC)) and prognostic accuracy (hazard ratio (HR) from Cox regression) were evaluated. Results: Sporadic methylation in control samples necessitated the introduction of cutoffs resulting in 61-63% sensitivity/90-92% specificity (SEPT9/training), 53-57% sensitivity/87-90% specificity (SHOX2/training), and 64 65% sensitivity/90-91% specificity (mean SEPT9/SHOX2 /training). Results were confirmed in a testing cohort with 54-56% sensitivity/88-90% specificity (SEPT9/testing), 43-48% sensitivity/93-95% specificity (SHOX2/testing), and 49 58% sensitivity/88-94% specificity (mean SEPT9/SHOX2 /testing). All algorithms showed comparable cutoff-independent diagnostic accuracy with largely overlapping 95% confidence intervals (SEPT9: AUCtraining = 0.79-0.80; AUCtesting = 0.74-0.75; SHOX2: AUCtraining = 0.78-0.81, AUCtesting = 0.77-0.79; mean SEPT9/SHOX2 : AUCtraining = 0.81-0.84, AUCtesting = 0.80). The accurate prediction of overall survival was possible with all three algorithms (training cohort: HR SEPT9 = 1.23-1.90, HR SHOX2 = 1.14-1.85, HRmeanSEPT9/SHOX2 =1.19-1.89 ; testing cohort: HR SEPT9 =1.22-1.67, HR SHOX2 = 1.15-1.71, HRmeanSEPT9/SHOX2 = 1.12-1.77). Conclusion: The concordant clinical performance based on different quantification algorithms allows for the application of various diagnostic platforms for the analysis of ccfDNA methylation biomarkers. PMID- 29213341 TI - CiAPEX2 and CiP0, candidates of AP endonucleases in Ciona intestinalis, have 3' 5' exonuclease activity and contribute to protection against oxidative stress. AB - Apurinic/apyrimidinic (AP) sites are one of the most frequent DNA lesions. AP sites inhibit transcription and DNA replication, and induce cell death. AP endonucleases are key enzymes in AP site repair. Several types of AP endonucleases have been reported, such as AP endonuclease 2 (APEX2) and ribosomal protein P0 (P0). However, it is not known how the functions and roles differ among AP endonucleases. To clarify the difference of roles among AP endonucleases, we conducted biochemical analysis focused on APEX2 and P0 homologues in Ciona intestinalis. Amino acid sequence analysis suggested that CiAPEX2 and CiP0 are AP endonuclease homologues. Although we could not detect AP endonuclease or 3'-phosphodiesterase activity, these two purified proteins exhibited 3'-5' exonuclease activity. This 3'-5' exonuclease activity was sensitive to ethylenediaminetetraacetic acid (EDTA), and the efficiency of this activity was influenced by the 3'-terminus of substrate DNA. Both CiAPEX2 and CiP0 degraded not only a 5'-protruding DNA end, but also nicked DNA, which is generated through AP endonuclease 1 (APEX1) cleavage. These two genes partially complemented the growth rate of AP endonuclease-deficient Escherichia coli treated with hydrogen peroxide. These results indicate that 3'-5' exonuclease activity is an evolutionarily conserved enzymatic activity of APEX2 and P0 homologues and this enzymatic activity may be important for AP endonucleases. PMID- 29213342 TI - Unique molecular mechanisms for maintenance and alteration of genetic information in the budding yeast Saccharomyces cerevisiae. AB - The high-fidelity transmission of genetic information is crucial for the survival of organisms, the cells of which have the ability to protect DNA against endogenous and environmental agents, including reactive oxygen species (ROS), ionizing radiation, and various chemical compounds. The basis of protection mechanisms has been evolutionarily conserved from yeast to humans; however, each organism often has a specialized mode of regulation that uses different sets of machineries, particularly in lower eukaryotes. The divergence of molecular mechanisms among related organisms has provided insights into the evolution of cellular machineries to a higher architecture. Uncommon characteristics of machineries may also contribute to the development of new applications such as drugs with novel mechanisms of action. In contrast to the cellular properties for maintaining genetic information, living organisms, particularly microbes, inevitably undergo genetic alterations in order to adapt to environmental conditions. The maintenance and alteration of genetic information may be inextricably linked to each other. In this review, we describe recent findings on the unconventional molecular mechanisms of DNA damage response and DNA double strand break (DSB) repair in the budding yeast Saccharomyces cerevisiae. We also introduce our previous research on genetic and phenotypic instabilities observed in a clonal population of clinically-derived S. cerevisiae. The molecular mechanisms of this case were associated with mutations to generate tyrosine inserting tRNA-Tyr ochre suppressors and the position effects of mutation frequencies among eight tRNA-Tyr loci dispersed in the genome. Phenotypic variations among different strain backgrounds have also been observed by another type of nonsense suppressor, the aberrant form of the translation termination factor. Nonsense suppressors are considered to be responsible for the genome-wide translational readthrough of termination codons, including natural nonsense codons. The nonsense suppressor-mediated acquisition of phenotypic variations may be advantageous for adaptation to environmental conditions and survival during evolution. PMID- 29213343 TI - Exome sequencing characterizes the somatic mutation spectrum of early serrated lesions in a patient with serrated polyposis syndrome (SPS). AB - Background: Serrated or Hyperplastic Polyposis Syndrome (SPS, HPS) is a yet poorly defined colorectal cancer (CRC) predisposition characterised by the occurrence of multiple and/or large serrated polyps throughout the colon. A serrated polyp-CRC sequence (serrated pathway) of CRC formation has been postulated, however, to date only few molecular signatures of serrated neoplasia (BRAF, KRAS, RNF43 mutations, CpG Island Methylation, MSI) have been described in a subset of SPS patients and neither the etiology of the syndrome nor the distinct genetic alterations during tumorigenesis have been identified. Methods: To identify somatic point mutations in potential novel candidate genes of SPS associated lesions and the involved pathways we performed exome sequencing of eleven early serrated polyps obtained from a 41 year-old female patient with clinically confirmed SPS. For data filtering and analysis, standard pipelines were used. Somatic mutations were identified by comparison with leukocyte DNA and were validated by Sanger sequencing. Results: The BRAF p.V600E or KRAS p.G12D mutation was identified in six polyps (~50%) and not found in polyps from the distal colon. In addition, we found seven unique rare somatic alterations of seven different genes in four serrated tumours, all of which are missense variants. The variant in ABI3BP and CATSPERB are predicted to be deleterious. No established cancer gene or candidate genes related to serrated tumorigenesis were affected. Conclusions: Somatic mutations seem to be rare events in early hyperplastic and serrated lesions of SPS patients. Neither frequently affected genes nor enrichment of specific pathways were observed. Thus, other alterations such as non-coding variants or epigenetic changes might be the major driving force of tumour progression in SPS. PMID- 29213345 TI - The Management of Chronic Pulmonary Aspergillosis: The UK National Aspergillosis Centre Approach. AB - Purpose of Review: Chronic pulmonary aspergillosis (CPA) is a serious long-term fungal disease of the lung with a worldwide prevalence. Treatment of CPA is not straightforward given the often-multiple associated co-morbidities, complex clinical picture, drug interactions, toxicities and intolerances. Recent Findings: First line treatment is oral itraconazole or voriconazole. In the event of intolerance or toxicity, patients may be swapped from itraconazole to voriconazole or vice versa. In the event of resistance or further intolerance, third line treatment with posaconazole could be initiated. In those with pan azole resistance, short-term courses of intravenous liposomal amphotericin B or micafungin are fourth line therapy, keeping in mind the nephrotoxic effects of amphotericin B. Summary: The available evidence for current treatments in CPA is limited and based mostly on retrospective cohort studies. There is a real need to raise awareness of this devastating disease to enable early treatment as well as prospective drug trials and studies to identify potential patient factors that correlate with progression, severity and overall outcomes in order to target future therapies. PMID- 29213344 TI - Psychotherapy for Major Depressive Disorder and Generalized Anxiety Disorder: A Health Technology Assessment. AB - Background: Major depressive disorder and generalized anxiety disorder are among the most commonly diagnosed mental illnesses in Canada; both are associated with a high societal and economic burden. Treatment for major depressive disorder and generalized anxiety disorder consists of pharmacological and psychological interventions. Three commonly used psychological interventions are cognitive behavioural therapy (CBT), interpersonal therapy, and supportive therapy. The objectives of this report were to assess the effectiveness and safety of these types of therapy for the treatment of adults with major depressive disorder and/or generalized anxiety disorder, to assess the cost-effectiveness of structured psychotherapy (CBT or interpersonal therapy), to calculate the budget impact of publicly funding structured psychotherapy, and to gain a greater understanding of the experiences of people with major depressive disorder and/or generalized anxiety disorder. Methods: We performed a literature search on October 27, 2016, for systematic reviews that compared CBT, interpersonal therapy, or supportive therapy with usual care, waitlist control, or pharmacotherapy in adult outpatients with major depressive disorder and/or generalized anxiety disorder. We developed an individual-level state-transition probabilistic model for a cohort of adult outpatients aged 18 to 75 years with a primary diagnosis of major depressive disorder to determine the cost effectiveness of individual or group CBT (as a representative form of structured psychotherapy) versus usual care. We also estimated the 5-year budget impact of publicly funding structured psychotherapy in Ontario. Finally, we interviewed people with major depressive disorder and/or generalized anxiety disorder to better understand the impact of their condition on their daily lives and their experience with different treatment options, including psychotherapy. Results: Interpersonal therapy compared with usual care reduced posttreatment major depressive disorder scores (standardized mean difference [SMD]: 0.24, 95% confidence interval [CI]: -0.47 to -0.02) and reduced relapse/recurrence in patients with major depressive disorder (relative risk [RR]: 0.41, 95% CI: 0.27 0.63). Supportive therapy compared with usual care improved major depressive disorder scores (SMD: 0.58, 95% CI: 0.45-0.72) and increased posttreatment recovery (odds ratio [OR]: 2.71, 95% CI: 1.19-6.16) in patients with major depressive disorder. CBT compared with usual care increased response (OR: 1.58, 95% CI: 1.11-2.26) and recovery (OR: 3.42, 95% CI: 1.98-5.93) in patients with major depressive disorder and decreased relapse/recurrence (RR: 0.68, 95% CI: 0.65-0.87]). For patients with generalized anxiety disorder, CBT improved symptoms posttreatment (SMD: 0.80, 95% CI: 0.67-0.93), improved clinical response posttreatment (RR: 0.64, 95% CI: 0.55-0.74), and improved quality-of-life scores (SMD: 0.44, 95% CI: 0.06-0.82). There was a significant difference in posttreatment recovery (OR: 1.98, 95% CI: 1.11-3.54) and mean major depressive disorder symptom scores (weighted mean difference: -3.07, 95% CI: -4.69 to -1.45) for patients who received individual versus group CBT. Details about the providers of psychotherapy were rarely reported in the systematic reviews we examined.In the base case probabilistic cost-utility analysis, compared with usual care, both group and individual CBT were associated with increased survival: 0.11 quality-adjusted life-years (QALYs) (95% credible interval [CrI]: 0.03-0.22) and 0.12 QALYs (95% CrI: 0.03-0.25), respectively.Group CBT provided by nonphysicians was associated with the smallest increase in discounted costs: $401 (95% CrI: $1,177 to 1,665). Group CBT provided by physicians, individual CBT provided by nonphysicians, and individual CBT provided by physicians were associated with the incremental costs of $1,805 (95% CrI: 65-3,516), $3,168 (95% CrI: 889-5,624), and $5,311 (95% CrI: 2,539-8,938), respectively. The corresponding incremental cost-effectiveness ratio (ICER) was lowest for group CBT provided by nonphysicians ($3,715/QALY gained) and highest for individual CBT provided by physicians ($43,443/QALY gained). In the analysis that ranked best strategies, individual CBT versus group CBT provided by nonphysicians yielded an ICER of $192,618 per QALY. The probability of group CBT provided by nonphysicians being cost-effective versus usual care was greater than 95% for all willingness to-pay thresholds over $20,000 per QALY and was around 88% for individual CBT provided by physicians at a threshold of $100,000 per QALY.We estimated that adding structured psychotherapy to usual care over the next 5 years would result in a net budget impact of $68 million to $529 million, depending on a range of factors. We also estimated that to provide structured psychotherapy to all adults with major depressive disorder (alone or combined with generalized anxiety disorder) in Ontario by 2021, an estimated 500 therapists would be needed to provide group therapy, and 2,934 therapists would be needed to provide individual therapy.People with major depressive disorder and/or generalized anxiety disorder with whom we spoke reported finding psychotherapy effective, but they also reported experiencing a large number of barriers that prevented them from finding effective psychotherapy in a timely manner. Participants reported wanting more freedom to choose the type of psychotherapy they received. Conclusions: Compared with usual care, treatment with CBT, interpersonal therapy, or supportive therapy significantly reduces depression symptoms posttreatment. CBT significantly reduces anxiety symptoms posttreatment in patients with generalized anxiety disorder.Compared with usual care, treatment with structured psychotherapy (CBT or interpersonal therapy) represents good value for money for adults with major depressive disorder and/or generalized anxiety disorder. The most affordable option is group structured psychotherapy provided by nonphysicians, with the selective use of individual structured psychotherapy provided by nonphysicians or physicians for those who would benefit most from it (i.e., patients who are not engaging well with or adhering to group therapy). PMID- 29213346 TI - Safe Plastic Surgery of the Breast II: Saving Nipple Sensation. AB - Background: Since its inception, reduction mammoplasty has matured considerably. Primary evolution in clinical research and practice initially focused on developing techniques to preserve tissue viability; breast parenchyma, skin, and nipple tissue that has expanded to include sensation and erectile function play a large role in the physical intimacy of women. Studies regarding primary innervation to the nipple are few and often contradictory. Our past anatomical study demonstrated that primary innervation to the nipple to come from the lateral branch of the fourth intercostal nerve. We propose an unsafe zone in which dissection during reduction mammoplasty ought to be avoided to preserve nipple sensation. Objective: To identify the trajectory of innervation to the nipple and translate these findings to the clinical setting so as to preserve nipple sensation. Methods: Eighty-six patients underwent reduction mammoplasty using the Wise pattern inferior pedicle (n = 72), vertical Hall-Findlay superomedial pedicle (n = 11), and Drape pattern inferior pedicle (n = 3). Aggressive dissection in the most superficial and deep tissue in the inferolateral quadrant of the breast was avoided. Results: All 86 patients reported having the same normal sensation to the breast at postoperative evaluation. Conclusions: The fourth intercostal nerve provides the major innervation to the nipple-areola complex. Avoiding dissection in inferolateral quadrant "unsafe zone" of the breast during reduction mammoplasty can reliably spare nipple sensation and maximize patient outcomes. PMID- 29213347 TI - Restoration of Elbow Flexion in Patients With Complete Traumatic and Obstetric Brachial Plexus Injury After Functional Free Gracilis Muscle Transfer: Our Experience and Management. AB - Background: Functional free gracilis muscle transfer is an operative procedure for elbow reconstruction in patients with complete brachial plexus nerve and avulsion injuries and in delayed or prolonged nerve denervation, as well as in patients with inadequate upper extremity function after primary nerve reconstruction. Methods: We retrospectively reviewed our patient records and identified 24 patients with complete brachial plexus nerve injury (13 obstetric, 11 males and 2 females; 11 traumatic, 9 males and 2 females) whose affected arm and shoulder were totally paralyzed and their voluntary elbow flexion or the biceps function was poor preoperatively (mean M0-1/5 in MRC grade). These patients had undergone the functional free gracilis muscle transfer procedure at our clinic since 2005. Results: Ninety-two percent of all patients showed recovery and improvement. Successful free gracilis muscle transfer is defined as antigravity biceps muscle strength of M3-4/5 and higher, which was observed in 16 (8 obstetric and 8 traumatic) of our 24 patients (67%) in this study at least 1 year after functional free gracilis muscle transfer. This is statistically significant (P < .000001) in comparison with their mean preoperative score (M0 1/5). There was no improvement in motor level of the biceps muscle (M0/5) in 2 patients (1 from each group). The donor site of these 24 patients showed no deficit in motor and sensory functions. Conclusions: Taken together, a significant number (92%) of patients in both obstetric and traumatic brachial plexus injury groups had recovery and improvement and most of these patients (64%) achieved antigravity and elbow flexion at least 1 year after free gracilis muscle transfer at our clinic. PMID- 29213349 TI - Oxidants and Redox Signaling: Perspectives in Cancer Therapy, Inflammation, and Plasma Medicine. PMID- 29213348 TI - Probucol Protects Rats from Cardiac Dysfunction Induced by Oxidative Stress following Cardiopulmonary Resuscitation. AB - Objective: To investigate the protective effect of probucol on induced cardiac arrest (CA) rats and possible mechanisms. Methods: Sprague Dawley rats were orally administrated with probucol at different dosage or vehicle for 5 days and subjected to a CA model by electrical stimulation, followed by cardiopulmonary resuscitation (CPR). The return of spontaneous circulation (ROSC) rate, antioxidant enzyme activities, and lipid oxidation markers were measured in serum and myocardium. Hemodynamic parameters and myocardial functions of animals were analyzed. Expression of erythroid-derived 2-like 2 (NFE2L2) and Kelch-like ECH associated protein 1 (KEAP1) in the myocardium were examined with immunohistochemistry. Results: Probucol treatment significantly increased the ROSC rate and survival time of CA-induced rats. After ROSC, levels of oxidation specific markers were decreased, while activities of antioxidant enzymes were increased significantly in probucol treatment groups. The probucol treatment improves hemodynamic parameters and myocardial functions. These parameter changes were in a dose-dependent manner. In the probucol treatment groups, the expression of KEAP1 was downregulated, while that of NFE2L2 was upregulated significantly. Conclusion: In the CA-induced rat model, probucol dose dependently improved the ROSC rate, prolonged survival time, alleviated oxidative stress, and improved cardiac function. Such protective effects are possibly through regulations of the KEAP1-NFE2L2 system. PMID- 29213350 TI - Immediate Early Response Gene X-1 (IEX-1) Mediates Ischemic Preconditioning Induced Cardioprotection in Rats. AB - Reversible myocardial ischemia/reperfusion (I/R) or ischemic preconditioning (IPC) is associated with an immediate genomic response; IPC-induced immediate early genes are associated with reduced infarct size. Because the immediate early response gene X-1 (IEX-1) plays a central role in cell apoptosis, we examine whether IEX-1 exerts protective effects against I/R injury. We found that the IEX 1 mRNA level was increased in the IPC-imposed rat heart. However, it was downregulated in the I/R rat heart, which was prevented by in situ IPC. When IEX 1 was knocked down, the protective effects imposed by IPC were lessened. Local gene delivery of Ad-IEX-1 to the left ventricle greatly diminished cardiac infarct size and improved systolic functions of I/R hearts in rats. In contrast, knocking down IEX-1 expression exacerbates myocardial infarction. Overexpression of IEX-1 in neonatal rat cardiomyocytes significantly reduced hypoxia reoxygenation-induced intracellular and mitochondrial ROS accumulation and cell apoptosis. Furthermore, IPC-induced phosphorylation and particle translocation of PKCepsilon were impaired by knocking down IEX-1 in vivo, and overexpressing IEX-1 showed similar cardioprotection imposed by IPC. Our results demonstrate that IPC increases IEX-1 expression, which may promote phosphorylation and particle translocation of PKCepsilon and thus reduce intracellular ROS accumulation. These beneficial effects reduce cardiomyocyte apoptosis and necrosis to alleviate cardiac infarction. PMID- 29213351 TI - Spondias purpurea L. (Anacardiaceae): Antioxidant and Antiulcer Activities of the Leaf Hexane Extract. AB - Spondias purpurea is used in folk medicine to treat diarrhea and diuresis. The objective of this study was to evaluate the phytochemical profile and antioxidant and antiulcer activities of the hexane extract of the leaves of S. purpurea (SpHE). Phytochemical profile was evaluated via thin layer chromatography (TLC) and HPLC. SpHE was screened for antioxidant activities using DPPH, ABTS, FRAP, and phosphomolybdenum assays. To determine its antiulcer properties, animals were pretreated with injured control, lansoprazole, ranitidine, carbenoxolone, or SpHE (12.5, 25, and 50 mg/kg) and were screened; acute ulcers were induced by HCl/ethanol, absolute ethanol, and nonsteroidal anti-inflammatory drug (NSAID). TLC revealed the presence of flavonoids, whereas HPLC analysis showed the presence of caffeic acid and epigallocatechin. The phenolic compounds and in vitro assays showed antioxidant activity. After gastric ulcer induction by using HCl/ethanol, SpHE reduced the area of ulcerative lesions by 82, 91, and 88%, respectively. In ethanol, SpHE reduced the area of ulcerative lesions by 77, 93, and 92%, respectively. In the NSAID, the percentages of protection were 70, 76, and 78%, respectively. SpHE promoted the minimization of ulcers, increased the levels of reduced glutathione, and decreased tumor necrosis factor. S. purpurea has antioxidant and antiulcer properties. PMID- 29213352 TI - Echinacoside Alleviates UVB Irradiation-Mediated Skin Damage via Inhibition of Oxidative Stress, DNA Damage, and Apoptosis. AB - Ultraviolet B (UVB) irradiation has been known to cause skin damage, which is associated with oxidative stress, DNA damage, and apoptosis. Echinacoside is a phenylethanoid glycoside isolated from Herba Cistanches, which exhibits strong antioxidant activity. In this study, we evaluate the photoprotective effect of echinacoside on UVB-induced skin damage and explore the potential molecular mechanism. BALB/c mice and HaCaT cells were treated with echinacoside before UVB exposure. Histopathological examination was used to evaluate the skin damage. Cell viability, lactate dehydrogenase (LDH) levels, antioxidant enzyme activities, reactive oxygen species (ROS) generation, DNA damage, and apoptosis were measured as well. Western blot was used to measure the expression of related proteins. The results revealed that pretreatment of echinacoside ameliorated the skin injury; attenuated oxidative stress, DNA damage, and apoptosis caused by UVB exposure; and normalized the protein levels of ATR, p53, PIAS3, hnRNP K, PARP, and XPA. To summarize, echinacoside is beneficial in the prevention of UVB induced DNA damage and apoptosis of the skin in vivo and in vitro. PMID- 29213353 TI - Resveratrol Prevents ROS-Induced Apoptosis in High Glucose-Treated Retinal Capillary Endothelial Cells via the Activation of AMPK/Sirt1/PGC-1alpha Pathway. AB - Resveratrol (RSV) is used as a protective therapy against diabetic retinopathy. However, the mechanism(s) underlying this protective effect has not been fully elucidated. Bovine retinal capillary endothelial cells (BRECs), an in vitro model, were used to investigate the mechanism of RSV. Our results showed that high glucose induced significant cellular apoptosis in BRECs, which was accompanied by increased intracellular levels of reactive oxygen species (ROS) and cleaved caspase-3. The glucose-induced apoptosis and ROS elevation were both inhibited by RSV. High glucose was found to decrease the levels of phosphorylated AMP-activated protein kinase (p-AMPK), which was accompanied by increased levels of Sirt1 and PGC-1alpha. These changes were reversed by RSV. We also demonstrated that AMPK regulates the modulations of Sirt1 and PGC-1alpha using specific inhibitors of AMPK and Sirt1 and small interfering RNAs of PGC-1alpha. In summary, the current study demonstrates that RSV is effective against high glucose-induced cellular apoptosis and its action is exerted via the inhibition of ROS/AMPK/Sirt1/PGC-1alpha pathway. PMID- 29213355 TI - Draft genome sequence of Venturia carpophila, the causal agent of peach scab. AB - Venturia carpophila causes peach scab, a disease that renders peach (Prunus persica) fruit unmarketable. We report a high-quality draft genome sequence (36.9 Mb) of V. carpophila from an isolate collected from a peach tree in central Georgia in the United States. The genome annotation is described and a phylogenetic analysis of the pathogen is presented. The genome sequence will be a useful resource for various studies on the pathogen, including the biology and ecology, taxonomy and phylogeny, host interaction and coevolution, isolation and characterization of genes of interest, and development of molecular markers for genotyping and mapping. PMID- 29213354 TI - Chemical Composition and Pharmacological Effects of Geopropolis Produced by Melipona quadrifasciata anthidioides. AB - Stingless bees produce geopropolis, which is popularly described for its medicinal properties, but for which few scientific studies have demonstrated pharmacological effects. The objective of this study was to investigate the chemical composition of the geopropolis of Melipona quadrifasciata anthidioides and to evaluate its antioxidant, antimutagenic, anti-inflammatory, and antimicrobial activities. The composition of the hydroethanolic extract of geopropolis (HEG) included di- and trigalloyl and phenylpropanyl heteroside derivatives, flavanones, diterpenes, and triterpenes. HEG showed antioxidant action via the direct capture of free radicals and by inhibiting the levels of oxidative hemolysis and malondialdehyde in human erythrocytes under oxidative stress. HEG also reduced the frequency of gene conversion and the number of mutant colonies of S. cerevisiae. The anti-inflammatory action of HEG was demonstrated by the inhibition of hyaluronidase enzyme activity. In addition, HEG induced cell death in all evaluated gram-positive bacteria, gram-negative bacteria, and yeasts, including clinical isolates with antimicrobial drug resistance. Collectively, these results demonstrate the potential of M. q. anthidioides geopropolis for the prevention and treatment of various diseases related to oxidative stress, mutagenesis, inflammatory processes, and microbial infections. PMID- 29213356 TI - High-quality draft genome sequence of Aquidulcibacter paucihalophilus TH1-2T isolated from cyanobacterial aggregates in a eutrophic lake. AB - Aquidulcibacter paucihalophilus TH1-2T is a member of the family Caulobacteraceae within Alphaproteobacteria isolated from cyanobacterial aggregates in a eutrophic lake. The draft genome comprises 3,711,627 bp and 3489 predicted protein-coding genes. The genome of strain TH1-2T has 270 genes encoding peptidases. And metallo and serine peptidases were found most frequently. A high number of genes encoding carbohydrate active enzymes (141 CAZymes) also present in strain TH1-2T genome. Among CAZymes, 47 glycoside hydrolase families, 37 glycosyl transferase families, 38 carbohydrate esterases families, nine auxiliary activities families, seven carbohydrate-binding modules families, and three polysaccharide lyases families were identified. Accordingly, strain TH1-2T has a high number of transporters (91), the dominated ones are ATP-binding cassette transporters (61) and TonB dependent transporters (28). Major TBDTs are Group I, which consisted of transporters for various types of dissolved organic matter. These genome features indicate adaption to cyanobacterial aggregates microenvironments. PMID- 29213357 TI - Genome overview of eight Candida boidinii strains isolated from human activities and wild environments. PMID- 29213358 TI - Intratumoral treatment with radioactive beta-emitting microparticles: a systematic review. AB - Purpose: The purpose of this study was to review the role of radioactive microparticles (1-100 MUm) for the treatment of solid tumors and provide a comprehensive overview of the feasibility, safety, and efficacy. Methods: A systematic search was performed in MEDLINE, EMBASE, and The Cochrane Library (January 2017) by combining synonyms for the determinants "tumor," "injection," and "radionuclide." Data on injection technique, toxicity, tumor response, and survival were collected. Results: The search yielded 7271 studies, and 37 were included for analysis. Twelve studies were performed in human patients and 25 animal studies. The studies were heterogeneous in patient population, tumors, follow-up time, and treatment characteristics. The direct intratumoral injection of radioactive microparticles resulted in a response rate of 71% in a variety of tumors and uncomplicated procedures with high cumulative doses of >19,000 Gy were reported. Conclusion: The large variety of particles, techniques, and treated tumors in the studies provided an important insight into issues concerning efficacy, safety, particle and isotope choice, and other concepts for future research. Animal studies showed efficacy and a dose response. Most studies in humans concluded that intratumoral treatment with radioactive beta-emitting microparticles is relatively safe and effective. Conflicting evidence about safety and efficacy might be explained by the considerable variation in the treatment characteristics. Larger particles had a better retention which resulted in higher anti-tumor effect. Leakage seems to follow the path of least resistance depending on anatomical structures. Subsequently, a grid-like injection procedure with small volume depots is advised over a single large infusion. Controlled image-guided treatment is necessary because inadequate local delivery and inhomogeneous dose distribution result in reduced treatment efficacy and in potential complications. PMID- 29213360 TI - Rationale for launching a new journa. AB - Vascular cognitive impairment/vascular dementia have been the subject of a large number of studies, due to their high prevalence and broad preventive and compensatory therapeutic potential. The knowledge of the cerebral anatomy correlated to the vascular territories of irrigation enables understanding of clinical manifestations, as well as classification into the several types of syndromic presentations. The central cholinergic system exercises important neuromodulatory functions on cerebral circuits related to cognitive and behavioral integration, as well as on vasomotor control related to cerebral blood flow adjustments. The acquisition of data on the anatomy of the cholinergic pathways, including the localization of the nuclei of the basal prosencephalon and the routes of their projections, established an important milestone. The knowledge of the vascular distribution and of the trajectories of the cholinergic pathways allows identification of the strategic points where a vascular lesion can cause interruption. The ensuing denervation leads to cholinergic hypofunction in the involved territories. This information proves important to better evaluate the sites of vascular lesions, emphasizing their strategic localizations in relation to the cholinergic pathways, and offering more robust foundations for treatment aiming at enhancing cholinergic activity. PMID- 29213359 TI - Influence of radiation treatment technique on outcome and toxicity in anal cancer. AB - Objective: Intensity-modulated radiation therapy (IMRT) has largely supplanted three-dimensional conformal radiation (3D-CRT) for definitive anal cancer treatment due to decreased toxicity and potentially improved outcomes. Convincing data demonstrating its advantages, however, remain limited. We compared outcomes and toxicity with concurrent chemotherapy and IMRT vs 3D-CRT for anal cancer. Methods: We performed a single-institution retrospective review of patients treated with IMRT or 3D-CRT as part of definitive mitomycin-C/5-fluorouricil based chemoradiation for anal cancer from January 2003 to December 2012. Results: One hundred sixty-five patients were included, with 61 and 104 receiving IMRT and 3D-CRT, respectively. Overall, 92.7% had squamous cell carcinoma. The mean initial pelvic dose was 48.3 and 44 Gy for IMRT and 3D-CRT, respectively. Complete response, partial response, and disease progression rates were similar (IMRT 83.6, 8.2, 8.2%; 3D-CRT 85.6, 6.7, 7.7%; p = 0.608, p = 0.728, p = 0.729). There was no significant difference in overall survival (p = 0.971), event-free survival (p = 0.900), or local or distant recurrence rates (p = 0.118, p = 0.373). IMRT caused significantly less acute grade 1-2 incontinence (p = 0.035), grade 3-4 pain (p = 0.033), and fatigue (p = 0.030). IMRT patients had significantly fewer chronic post-treatment toxicities (p = 0.008), outperforming 3D-CRT in six of eight toxicities reviewed. Though total treatment length was comparable (43.6 and 44.5 days), IMRT recipients had fewer (27.9 vs 41.3% of patients, p = 0.89), shorter treatment breaks (mean 2.9 vs 4.1 days, p = 0.229). Conclusion: This report represents the largest series directly comparing concurrent chemotherapy with IMRT vs 3D-CRT for definitive treatment of anal cancer. IMRT significantly reduced acute and post-treatment toxicities and allowed for safe and effective pelvic dose escalation. PMID- 29213361 TI - Vascular dementia and the cholinergic pathways. AB - Vascular cognitive impairment/vascular dementia have been the subject of a large number of studies, due to their high prevalence and broad preventive and compensatory therapeutic potential. The knowledge of the cerebral anatomy correlated to the vascular territories of irrigation enables understanding of clinical manifestations, as well as classification into the several types of syndromic presentations. The central cholinergic system exercises important neuromodulatory functions on cerebral circuits related to cognitive and behavioral integration, as well as on vasomotor control related to cerebral blood flow adjustments. The acquisition of data on the anatomy of the cholinergic pathways, including the localization of the nuclei of the basal prosencephalon and the routes of their projections, established an important milestone. The knowledge of the vascular distribution and of the trajectories of the cholinergic pathways allows identification of the strategic points where a vascular lesion can cause interruption. The ensuing denervation leads to cholinergic hypofunction in the involved territories. This information proves important to better evaluate the sites of vascular lesions, emphasizing their strategic localizations in relation to the cholinergic pathways, and offering more robust foundations for treatment aiming at enhancing cholinergic activity. PMID- 29213362 TI - 'To do or not to do'? The neurobiology of decision-making in daily life: I. Getting the basics. AB - The constant conflict between decisions leading to immediate pleasurable consequences versus behaviors aiming at long-term social advantages is reviewed here in the framework of the evolutionary systems regulating behavior. The inescapable temporal perspective in decision-making in everyday life is highlighted and integrated with the role of the executive functions in the modulation of subcortical systems. In particular, the representations of the 'non existent' future in the prefrontal cortical regions and how these representations can bridge theory and practice in everyday life are addressed. Relevant discussions regarding the battle between emotions and reasons in the determination of more complex decisions in the realm of neuroeconomics and in moral issues have been reserved for a second essay. PMID- 29213363 TI - Cognitive and functional dementia assessment tools: review of Brazilian literature. AB - : The diagnosis of dementia is based on cognitive and functional evaluation. One of the difficulties in ascertaining the number of people with dementia in developing countries is the population's lack of formal education. Independent effects of age, sex and education have been identified on scores for most but not all cognitive tests. Objectives: Identify the most-used cognitive and functional assessment tools in Brazil, related to dementia diagnosis and treatment outcome; and identify adaptations or normative data, when available. Methods: Data were generated from PubMed, LILACS and Portal Periodicos CAPES (thesis database) databases using the search terms 'dementia' and 'Alzheimer'. Data collection criteria were a. Articles with abstract; b. Brazilian abstracts, related to adult Brazilian population; c. Clear mention of assessment tool in the abstract text. A total of 108 abstracts were selected for the main analysis: a. to identify the instruments used b. to determine how many of the selected abstracts mentioned each tool and c. to search in the mentioned databases for respective test adaptations or normative data. Results: Some 52 different assessment tools, 41 cognitive instruments and 11 functional instruments were identified. The most cited assessment tests were the Mini Mental State Examination (64 abstracts) and Pfeffer Functional Activities Questionnaire (4 abstracts). Discussion: Many of the instruments used only have the description of the translation process into Portuguese, along with some suggestions of validation or normative data. Few of these followed the recommended procedures of validation, replication, normalization or transcultural adaptation. PMID- 29213364 TI - Education did not interact with major depression on performance of memory tests in acute southern Brazilian in patients. AB - : The relationship of cognitive function to depression in older adults has become a topic of extensive clinical interest and research. Objective: To analyze association between cognitive/memory performance,Major Depression, and education in 206 inpatients from the Psychiatry and Internal Medicine Departments. Methods: Patients were evaluated by the Mini Mental State Examination, a battery of memory tests, and the Montgomery-Asberg Depression Rating Scale. Depression patients comprised 45 severe and 42 mild/moderate, according to the Montgomery-Asberg scale. The effect of psychoactive drugs was recorded (30% drug-free). Education was measured in years. Cognitive/memory tests assessed five domains: general mental functioning, attention, sustained attention/working memory, learning memory (verbal), and remote memory. An index for memory impairment was created (positivity: 50% of tests below cutoff). Results: The chief effect on worse performance was Major Depression for the domains (age and education adjusted) of attention, learning, remote memory, and general functioning. For the domain "sustained attention and working memory", only severely depressed patients differed from the medical controls (p=.008). Education showed an independent effect on test performances. No interaction between depression and educational status was observed.We also observed an independent effect of psychoactive drugs on some cognitive/memory domains. Logistic Regression showed Major Depression as the main risk for cognitive impairment. Conclusions: These data demonstrated association of Major Depression with impaired cognitive performance independent of educational attainment or psychiatric medications. PMID- 29213365 TI - Brief cognitive battery in the diagnosis of mild Alzheimer's disease in subjects with medium and high levels of education. AB - : There has been an increasing trend to utilize short cognitive batteries for the diagnosis of dementia. Most of these batteries have been designed in countries with high standards of education and are less suitable for populations with low levels of education.We developed a battery that has been previously shown to be highly accurate in the diagnosis of dementia in individuals with low levels of education. The accuracy of this battery for patients with higher levels of education is unknown. Objectives: To evaluate the accuracy of a brief cognitive battery in the diagnosis of Alzheimer's disease (AD) in subjects with medium and high levels of schooling, and to develop a mathematical model that includes the most discriminative tests. Methods: Seventy-three mildly demented patients with probable AD and 94 control subjects were evaluated. Sixty patients and 60 controls were randomly selected to generate a mathematical model including the most discriminative tests of the battery using logistic regression. The model was back-tested for the remaining sample of patients and controls. Results: Delayed recall, learning and category fluency tests were included in a mathematical model that obtained an area of 0.917 in the ROC curve in the back-testing. Inter-rater reliabilities of these tests were high (kappa>0.8). Conclusions: This model showed a high accuracy for the diagnosis of mild AD in patients with medium and high educational levels. Future studies with more heterogeneously educated individuals are necessary to investigate whether the educational level (number of years at school) should also be included in the model. PMID- 29213366 TI - Analysis of brief language tests in the detection of cognitive decline and dementia. AB - : Lexical access difficulties are frequent in normal aging and initial stages of dementia.Verbal fluency tests are valuable to detect cognitive decline, evidencing lexico-semantic and executive dysfunction. Objectives: To establish which language tests can contribute in detecting dementia and to verify schooling influence on subject performance. Method: 74 subjects: 33 controls, 17 Clinical Dementia Rating (CDR) 0.5 and 24 (Brief Cognitive Battery - BCB e Boston Naming Test - BNT) 1 were compared in tests of semantic verbal fluency (animal and fruit), picture naming (BCB and BNT) and the language items of Mini Mental State Examination (MMSE). Results: There were significant differences between the control group and both CDR 0.5 and CDR 1 in all tests. Cut-off scores were: 11 and 10 for animal fluency, 8 for fruit fluency (in both), 8 and 9 for BCB naming. The CDR 0.5 group performed better than the CDR 1 group only in animal fluency. Stepwise multiple regression revealed fruit fluency, animal fluency and BCB naming as the best discriminators between patients and controls (specificity: 93.8%; sensitivity: 91.3%). In controls, comparison between illiterates and literates evidenced schooling influence in all tests, except for fruit fluency and BCB naming. In patients with dementia, only fruit fluency was uninfluenced by schooling. Conclusion: The combination of verbal fluency tests in two semantic categories along with a simple picture naming test is highly sensitive in detecting cognitive decline. Comparison between literate and illiterate subjects shows a lesser degree of influence of schooling on the selected tests, thus improving discrimination between low performance and incipient cognitive decline. PMID- 29213367 TI - The influence of schooling on cognitive screening test in the elderly. AB - Introduction: Tests for screening cognitive functions are gaining importance with the increasing incidence and prevalence of demential syndromes. For our elderly population, the challenge is to develop neuropsychological tests independent from the influence of educational level. Objective: To compare the influence of education on the elderly with or without cognitive decline, on the Brief Cognitive Screening Battery (BCSB). Methods: We studied 176 elderly people: 60 with cognitive decline (aged 73.6+/-9.3 years and with 5.7+/-0.7 years of education) and 116 without cognitive impairments (aged 73.4+/-0.6 years and with 5.6+/-0.5 years of education). The BCSB was applied in all subjects. The data were submitted to descriptive statistics and analyzed by Independent Student test with 95% confidence intervals. Results: The data showed that the BCSB is an appropriate battery for identifying cognitive status in normal elderly individuals, as well as cognitive decline in our elderly sample. The BCSB items were not significantly influenced by schooling years, making this test favorable for different groups characterized by illiterate individuals, as well as by those with low or high levels of formal education. Conclusion: The BCSB proved to be a useful cognitive screening test for old people with or without cognitive decline independent of their educational level. PMID- 29213368 TI - How many items from a word list can Alzheimer's disease patients and normal controls recall? Do they recall in a similar way? AB - : The serial position effect occurs when individuals are asked to recall a list of information that exceeds normal attention span. Alzheimer's disease (AD) patients show lower scores on word span recall tests when compared to healthy aging subjects, younger individuals or depressed patients. Objective: To evaluate the immediate free recall and the serial position effect of a 10-word list, emotionally neutral in tone, in Alzheimer's disease (AD) patients and two age groups of healthy controls. Methods: The free word recall test was applied in a sample of 44 mild AD outpatients and 168 >50 year and 173 =50 year-old healthy controls. The span of recalled words and order of recollection of each item was recorded. Scores for serial position effect were analyzed.MMSE scores were recorded for all participants. Descriptive statistics and the ANOVA with Tukey test were performed. Results: The controls scored significantly better than AD patients on the MMSE and word span (p=0.0001). Older controls word span mean +/ SD was 5.65+/-1.75, younger controls was 5.99+/-1.27, and AD patients was 2.86+/ 1.42. The best recalled item in all groups was the first item of the list. Primacy was observed across the three groups, although AD patients presented lower scores. Recency was diminished among AD patients compared to control groups. Conclusions: Primacy effect was observed in AD patients as well as in both normal control groups. Recency effect was presented by the normal control groups but was extremely poor among AD patients. The first item was universally best retrieved. PMID- 29213369 TI - Brazilian version of the Frontal Assessment Battery (FAB): Preliminary data on administration to healthy elderly. AB - : The Frontal Assessment Battery (FAB) has been proposed as a diagnostic tool for patients with frontal lobe syndrome. Objectives: To present the Brazilian version of the FAB and to show preliminary data on the performance of healthy elderly in the battery, correlating with age, education and scores in the Mini- Mental State Examination (MMSE). Methods: Forty-eight healthy elderly individuals (34 female/14 male) were evaluated, aged 69.3+/-6.1 years and with educational level=8.0+/-5.6 years. The subjects were submitted to the MMSE, the Cornell depression scale and the FAB, in which scores were determined for each item and for the total scale. All individuals had to attain above education adjusted cut off scores in the MMSE and =7 points on the Cornell depression scale. Correlations were calculated between FAB total scores and age, educational level and MMSE scores, as well as between FAB items and education. Results: The mean score +/-SD in the FAB was 13.0+/-2.3(7 to 18). Total FAB scores correlated significantly with education (r=0.37; p=0.01) and MMSE scores (r=0.46; p=0.001). No correlation emerged between FAB scores and age. The mean score +/-SD of the MMSE was 27.4 +/- 1.8. Considering the six FAB items separately, two of them (similarities and conflicting instructions) correlated significantly with educational. Conclusions: In this group of healthy elderly, the Brazilian version of the FAB proved to be influenced by education, but not age. PMID- 29213370 TI - Iowa gambling task: Administration effects in older adults. AB - : The Iowa Gambling Task (IGT) assesses decision-making. Objective: The objective of the present study was to investigate whether specific changes in administering the IGT can affect performance of older adults completing the task. Method: Three versions of the IGT were compared regarding the feedback on the amount of money won or lost over the course of the test. The first version (I) consisted of a replication of the original version (Bechara et al., 1994), which utilizes a computerized visual aid (green bar) that increases or decreases according to the gains or the losses. The second version (II), however, involved a non computerized visual aid (cards) and, in the third version (III) the task did not include any visual aid at all. Ninety-seven older adults, divided into three groups, participated in this study. Group I received computerized cues (n=40), group II, non-computerized cues (n=17) and III was submitted to a version without any cues (n=40). Results: The participants without any cues achieved only a borderline performance, whereas for those with non-computerized cues, twice the number of participants showed attraction to risk in relation to those with aversion. The participants of the computerized version were homogeneously spread across the three performance levels (impaired, borderline and unimpaired). Conclusions: Aspects of the complexity of the decision process as well as of the task used are proposed as possible theoretical explanations for the performance variation exhibited. PMID- 29213371 TI - Awareness of disease in dementia: Development of a multidimensional rating scale. AB - Objective: To describe the development of the Assessment Scale of Psychosocial Impact of the Diagnosis of Dementia (ASPIDD), a multidimensional scale to evaluate awareness of disease in dementia. Method: The development of this scale was conducted in four steps. In step one, questions were drawn up after a review of the literature. The second step involved the suggestions offered by a neurologist regarding the skills considered important for the scale. The third step involved the re-writing and review of the domains and questions in the scale followed by a semantic evaluation performed by two independent psychiatrists. Step four consisted of the preliminary study aimed at evaluating the applicability of the ASPIDD. Results: In the semantic evaluation only minor changes were proposed. The preliminary sample had 52 patients, comprising 23 CDR 1 (male=9; female=14) and 29 CDR2 (male=13; female=16).Mean age of patients was 69.7+/-5.51(CDR1) and 73.6+/-9.4 (CDR2), and age at onset was 66.4+/-5.7 years (CDR1) and 68.3+/-9.3 year (CDR2).Mean schooling was 9.0+/-4.3 years (CDR1) and 8.8+/-4.4 years (CDR2). Mean MMSE was 21.0+/-3.3(CDR1) and 17.6+/-3.5(CDR2).Mean Cornell was 4.8+/-2.3(CDR1) and 4.2+/-1.9 (CDR2). The patient and caregiver dyads were aware of problems, mainly of those related to social, family and affective relations. The higher rates of discrepant responses were found on the awareness of cognitive deficits and changes in ADL. Conclusion: The ASPIDD is a multidimensional instrument to assess awareness of disease among AD patients. PMID- 29213372 TI - Anosognosia in Alzheimer's disease: A neuropsychological approach. AB - : Anosognosia is often found in Alzheimer's disease (AD), but its relationship with cognitivebehavioral changes is not well established. Objective: To verify if anosognosia is related to cognitive-behavioral disturbances, and to regional brain dysfunction as evaluated by neuroimaging. Methods: We included AD patients with Mini-Mental State Examination (MMSE) scores of 12 through 24, and Clinical Dementia Rating (CDR) scores of 1 or 2. Dementia diagnosis was based on DSM-IV and NINCDS-ADRDA criteria.We used Self-Consciousness Questionnaire (SCQ) and Denial of Illness Scale (DIS), and following neuropsychological counterproofs: WAIS-R digit span, Rey auditory verbal learning, verbal fluency test (category: animals), Cummings' neuropsychiatric inventory (NPI) and Cornell scale for depression in dementia (CSDD). Results: We studied 21 patients (12 men, 9 women) with AD (14 mild, 7 moderate), age 72.4+/-8.5 years, education 4.9+/- 4.2 years, and MMSE score 18.2+/-5. SCQ and DIS did not correlate to age, education, or regional cerebral perfusion defects, but they tended to correlate to disease duration (and only SCQ also to MMSE). SCQ and DIS were correlated neither to CSDD, NPI, CDR, nor to any neuropsychological test. Significant correlations were found between SCQ and DIS, as well as between SCQ domain of "moral judgment" and MMSE. Conclusion: SCQ and DIS were not correlated to age, education, disease duration, cognitive-behavioral measures, dementia severity, or regional cerebral perfusion defects, but were correlated to each other, suggesting SCQ and DIS evaluate similar mental functions. PMID- 29213373 TI - Diagnosis and rehabilitation attempt of a patient with acquired dyslexia. AB - : Although dyslexia is a common consequence of brain damage there are few studies about therehabilitation of this disorder. Cognitive Neuropsychology models of reading have been used to describe severalsyndromes of acquired dyslexia. Phonological dyslexia is a reading disorder characterized by a dysfunctionalgrapheme-to-phoneme conversion procedure, which affects the ability to read low frequency words and nonwords. Lexical reading is preserved and patients can read frequent words (regular and irregular). Objective: Verify the application of the cognitive model in the characterization of the reading disorder of a patient with acquired dyslexia and in the devising and implementation of a rehabilitation plan. Methods: This study presents OCS, a 57 year-old patient who suffered from acquired phonological dyslexia after a left temporo-parietooccipital ischemic stroke. A rehabilitation program based on the principles of Cognitive Neuropsychology was devised non-words and low frequency words with controlled lengths were used and the patient was stimulated to read them aloud in a 22-session treatment. Results: The post-test evaluation showed quantitative and qualitative improvements Significant improvements were verified in the total number of correct responses including self-correction attempts (p<0.01) and in the reading of trisyllabic and polysyllabic non-words of simple syllabic structure (p=0.0007 and p=0.02 respectively). Conclusions: The use of the cognitive model to devise a rehabilitation program was successful and we observed significant improvement of reading skills in a short period of treatment. The achievements over this period provided the patient with functional reading performance. PMID- 29213374 TI - Reports by caregivers of behavioral and psychological symptoms of dementia. AB - : Behavioral and Psychological Symptoms of Dementia (BPSD) are relevant since they are frequent and cause distress to caregivers. However, they may not be reported by physicians due to the priority usually attributed to cognitive symptoms. Objectives: To verify whether BPSD is being systematically investigated by physicians even in specialized settings and whether their records on medical files are accurate. Methods: Assessment of records on medical files of BPSD reported by caregivers to 182 patients (57.1% men, mean age 67.6+/-13.5 years) assisted in a tertiary-care behavioral neurology outpatient clinic (BNOC) who also had appointments in other clinics of the same hospital. Alzheimer's disease (37.9%) and vascular disease (19.2%) were the most frequent causes of dementia. Results: Report/appointment ratios were 0.58 in BNOC, 0.43 in other neurological, 0.93 in psychiatric and 0.20 in non-neurological, non-psychiatric clinics. BPSD most frequently recorded in BNOC were insomnia, aggressiveness, agitation/hyperactivity, visual hallucinations, apathy, inadequate behavior and ease of crying. Sorted by psychiatrists, categories associated to more BPSD were affect/mood, thought and personality/behavior. affect/mood and sensoperception symptoms were the most frequently reported. Sorted according to Neuropsychiatric Inventory (NPI), categories associated to more BPSD were depression/dysphoria, delusion and apathy/indifference. depression/dysphoria and agitation/ aggression symptoms were the most frequently reported. Conclusions: BPSD reported by caregivers were very diverse and were not systematically investigated by physicians. Notes in medical files often contained non-technical terms. PMID- 29213375 TI - Visual agnosia and prosopagnosia secondary to melanoma metastases: case report. AB - The association of visual agnosia and prosopagnosia with cerebral metastasis is very rare. The presence of symmetric and bilateral cerebral metastases of melanoma is also uncommon.We report the case of a 34 year-old man who was admitted to hospital with seizures and a three-month history of headache, with blurred vision during the past month. A previous history of melanoma resection was obtained. CT of the skull showed bilateral heterogeneous hypodense lesions in the occipito-temporal regions, with a ring pattern of contrast enhancement. Surgical resection of both metastatic lesions was performed after which the patient developed visual agnosia and prosopagnosia. On follow-up, he showed partial recovery of visual agnosia, while prosopagnosia was still evident. The relevance of this case is the rare presentation of metastatic malignant melanoma affecting homologous occipito-temporal areas associated with prosopagnosia and associative visual agnosia. PMID- 29213376 TI - Basic and clinical research, and the review of original papers. PMID- 29213377 TI - Targeting the gastrin-releasing peptide receptor pathway to treat cognitive dysfunctionassociated with Alzheimer's Disease. AB - Increasing evidence indicates that bombesin (BB)-like peptides (BLPs), such as the gastrin-releasing peptide (GRP) and its receptor (GRPR), might play a role in neurological and psychiatric disorders. The present study reviews findings from animal and human studies suggesting that the GRPR should be considered a target for the treatment of cognitive dysfunction in patients with Alzheimer's disease (AD). Abnormalities in GRPR-triggered signaling have been described in both fibroblasts from patients with AD, and in transgenic mouse models of AD. Pharmacological and genetic preclinical studies have indicated that BLPs and the GRPR are importantly involved in regulating cognitive function. Moreover, drugs acting at the GRPR have been shown to enhance memory and ameliorate cognitive dysfunction in experimental models of amnesia associated with AD. Taken together, these findings support the view that the GRPR is a novel therapeutic target for the treatment of memory deficits associated with AD. PMID- 29213378 TI - The dementias of schizophrenia. AB - Cases of "adolescent insanity" were known to Kraepelin's forerunners and lay at the core of his concept of dementia praecox. In the post-neuroleptic era it became clear that dementia may also occur in schizophrenia as a fully reversible state depending on psychopathological status. In the present review we discuss the validity of applying the concept of dementia to schizophrenia. We concur with the view that schizophrenia may lead to a true dementia both (i) as a fixed end stage consequence of the disease process itself, or (ii) as a drug-responsive reversible state. There is an urgent need to examine the patterns of dementia in other common neuropsychiatric disorders, employing current methods of neurobehavioral investigation. PMID- 29213379 TI - What matters in white matter dementia? AB - Dementia studies has primarily focused on disorders of the cerebral cortex and subcortical gray matter, what originated the concepts of cortical and subcortical dementias respectively. Dementia related mainly with cerebral white matter have received less attention. We present five different cases, each one illustrative of a dementia subtype that could be assigned under the category of 'white matter dementia': CADASIL, progressive subcortical gliosis, progressive multifocal leucoencephalopathy, normopressure hydrocephalus and brain injury. Besides that, recent clinical and scientific literature on white matter dementia was reviewed. The composition of exuberant psychiatric symptoms and personality changes (mainly apathy, but also desinhibition) with neurological signs (pyramidal alone or associated with extrapyramidal signs, ataxia and urinary incontinence) and with specific cognitive impairment (mentioned above), should rise strongly the possibility of a white-matter dementia, instead of a cortical or subcortical form of dementia. PMID- 29213380 TI - Computer-assisted 3D reconstruction of the human basal forebrain complex. AB - : The basal forebrain complex (BFC) is a small but intricate structure. Its organization and function is hard to investigate using conventional methods, especially in humans. By combining new methods of research we present a comprehensive overview of this complex, in order to better understand its function in normal and diseased brains. Methods: The right and left BFC of a 29 year-old male were reconstructed from gallcocyanin (Nissl) stained 440 um-thick serial horizontal sections by using advanced computer-assisted 3D reconstruction software. Results: The reconstructed components in the present case include Ch2, Ch3, Ch4am-al, Ch4i, Ch4p, juxtacommissural, Ayala's medial (subpallidal) and lateral (periputaminal) subnuclei. These components are arranged in an arch-like course mainly beneath the anterior commissure. The bilateral volume of all subnuclei was 99.06 mm3, the left side accounting for 48.05 mm3. Some of the subnuclei exhibited volume asymmetry indices varying from 28.3 to 12.9%.The volume of Ayalas' lateral or periputaminal nucleus was 9.7% higher on the right, than on the left side. Conclusions: Our methodological approach promises to be highly efficient and reproducible in studying morphofunctional correlations in complex cognitive features. PMID- 29213381 TI - Working memory: Differences between young adults and the aged in listening tasks. AB - : Working memory is a system with a limited capacity which enables the temporary storage and manipulation of the information necessary for complex cognitive tasks. Numerous studies have suggested that performance in these tasks is related to age where older adults have a lesser performance than the young. Objective: To analyze the processing functions of working memory in a listening task. Method: 59 educated participants aged between 19 and 76 years having no memory complaints were divided into two groups (young and aged adults). The test administered was the adapted Listening Span, in which the subject listens to a sentence, judging whether it is true or false and, concomitantly, stores the last word of each sentence for later evocation. Results: In the judgment task, performance of both groups approached to a similar average. Results of sentence recall demonstrated that with the increase in number of sentences at each level, performance of both groups declined. In the blocks of sentences 1 and 2 at level 1, all participants performed similarly. In the block of sentences 3, at level 1, there was a difference between the young and the aged. From this level onward (retention of 3 to 5 items), the aged and the young differed significantly. Conclusions: An increase in the number of sentences diminished participants' performance of temporary storage in the recall tasks, while not interfering in the processing of sentences during judgment. The difference between the young and the aged became more accentuated as item retention demands increased. PMID- 29213382 TI - Behavioural assessment of the dysexecutive syndrome (BADS) in healthy elders and Alzheimer's disease patients: preliminary study. AB - : Although the main initial deficit is considered to be in the memory domain, an early impairment of executive functions is also found in AD where these deficits are correlated to functional impairment. Ecological tests are more indicated to evaluate executive impairment, and are better able to assist in treating AD patients than more commonly used tests. Objectives: The aim of this preliminary study is to verify the performance in executive functions using the Behavioural Assessment of the Dysexecutive Syndrome (BADS) in elder controls and mild AD patients, and to analyze its applicability in our environment. Methods: The BADS was performed by 17 healthy elders and 17 early AD patients matched for age, schooling and gender. Results: There were significant differences among controls and AD patients on MMSE scores, and in measures of executive functions, memory, and motor speed. Some sub items of BADS (rule shift cards, modified six elements, total score, standard, standard by age and overall classification by age) were also different between groups. Differences were also significant on the Dysexecutive Questionnaire (DEX) of BADS self-ratings and other-ratings. Conclusion: BADS was efficacious in detecting executive deficits in this sample, as confirmed by other executive functions tests applied. PMID- 29213383 TI - Category verbal fluency performance may be impaired in amnestic mild cognitive impairment. AB - : To study category verbal fluency (VF) for animals in patients with amnestic mild cognitive impairment (aMCI), mild Alzheimer disease (AD) and normal controls. Method: Fifteen mild AD, 15 aMCI, and 15 normal control subjects were included. Diagnosis of AD was based on DSM-IV and NINCDS-ADRDA criteria, while aMCI was based on the criteria of the International Working Group on Mild Cognitive Impairment, using CDR 0.5 for aMCI and CDR 1 for mild AD. All subjects underwent testing of category VF for animals, lexical semantic function (Boston Naming-BNT, CAMCOG Similarities item), WAIS-R forward and backward digit span, Rey Auditory Verbal Learning (RAVLT), Mini-Mental Status Examination (MMSE), and other task relevant functions such as visual perception, attention, and mood state (with Cornell Scale for Depression in Dementia). Data analysis used ANOVA and a post-hoc Tukey test for intergroup comparisons, and Pearson's coefficient for correlations of memory and FV tests with other task relevant functions (statistical significance level was p<0.05). Results: aMCI patients had lower performance than controls on category VF for animals and on the backward digit span subtest of WAIS-R but higher scores compared with mild AD patients. Mild AD patients scored significantly worse than aMCI and controls across all tests. Conclusion: aMCI patients may have poor performance in some non-memory tests, specifically category VF for animals in our study, where this could be attributable to the influence of working memory. PMID- 29213384 TI - Knowledge of semantic categories in normal aged: Influence of education. AB - : Semantic memory seems to resist the effects of time, remaining stable even in more advanced ages. Objective: To verify the effect of schooling level on semantic knowledge (non-living items) in normal aged. Method: 48 aged individuals were divided into three groups (based on schooling) and evaluated. Three tests were applied: verbal fluency, naming and figure classification. Results: We verified that the group with greater schooling (>8 years) differed to the illiterate and low schooling groups in most of the tasks, evoking more items in verbal fluency, correctly naming more items and presenting a greater number of "formal categories". Discussion: In the verbal fluency test, this difference could be explained by the types of strategies used by the individuals to recall words. In relation to the naming test, the effect could be attributed to limitation in the vocabulary and cognitive processing skills needed to search for semantic attributes of the figures. In categorization, this type of classification is dependent on scholastic learning. Conclusion: We concluded that both illiterate elderly and those having a low schooling level, presented poorer performance in semantic memory tests compared to the aged with a higher level of schooling. The similar behavior evidenced between illiterate and low schooling groups is intriguing. It remains unclear whether the low schooling group behaved like the illiterates or vice-a-versa. This unanswered question remains the subject of future studies. PMID- 29213385 TI - Pre- and post-operative Wisconsin card sorting test performance in patients with temporal lobe epilepsy due to hippocampal sclerosis. AB - : Patients with temporal lobe epilepsy due to hippocampal sclerosis (TLE/HS) have a distinct neuropsychological profile, but there is still debate on whether executive dysfunction is part of this profile and also whether temporal lobe surgery can modify this dysfunction. Objective: To study the presence and reversibility of executive dysfunction in patients with unilateral TLE/HS. Methods: Twenty-five patients with refractory seizures due to TLE/HS underwent presurgical evaluation which included the application of the Wiconsin Card Sorting Test (WCST). Nineteen were re-evaluated in follow up, at least 6 months after selective amygdalo-hippocampectomy (SAH). Twenty-two control subjects matched for age and education also performed the WCST. Results: Sixteen of the 25 patients (64%) completed fewer than four categories in the WCST whereas only 4 of the 22 controls (18%) did not complete at least four categories (p<0.005). In addition, the performance of the patients involved significantly more perseverative responses and errors compared to controls. The patient group demonstrated significant post-operative improvement in many measures of the WCST following SAH. Conclusions: These findings support the presence of executive dysfunction in patients with TLE/HS and suggest that such dysfunction can be partially reversed by selective resection of epileptogenic mesial temporal structures. PMID- 29213386 TI - Typical performance of elderlypatients with Alzheimer disease on the Wisconsin Card Sorting Test (WCST). AB - : The Wisconsin Card Sorting Test (WCST) is a neuropsychological assessment tool designed to assess executive functions, frequently used in cases of cognitive disorders. However, Brazilian neuroscientific settings lack standardization studies of psychological assessment instruments, especially in the neuropsychological area. Thus, the assessment of clinical groups including dementias and particularly Alzheimer's disease (AD) patients, may be compromised by the lack of analytical references. Objective: To characterize the performance of elderly patients with Alzheimer's disease on the WCST, aiming at establishing preliminary evaluative norms. Method: Thirty-six elderly patients (mean age of 75.8 years) with mild AD from a teaching hospital were assessed using the printed form of the WCST. Results: The elderly patients with AD had impaired performance on the various WCST technical indicators, highlighting cognitive deficit with traces of stereotyped behavior and failures in working memory, conceptualization and learning. The results allowed preliminary norms to be defined for elderly AD patients on the various WCST indicators, grading their performance in eight diagnostic areas and yielding the identification of different levels of impairment of executive functions in these elderly patients. Conclusions: The results demonstrated specific aspects of performance on the WCST by elderly people with AD, highlighting the effect of the disease on cognitive performance and executive functioning. Those normative references, although preliminary make a significant contribution to the neuropsychological assessment of AD patients in the Brazilian context, within the informative scope of the WCST. PMID- 29213387 TI - Behavior disorders and subjective burden among caregivers of demented patients. AB - : Many patients with dementia live within the community supported by their family and friends. Majority of patient caregivers suffer from high levels of stress. Methods: A quasi-experimental study, which compared the effects of nursing interventions on behavior disorders in both patients with moderate to severe dementia and their caregivers, followed over 18 months. The assessments were performed at the outpatient clinic of the Federal University of Sao Paulo and again at patients' homes with their primary caregiver, after informed consent form. Measurements were performed at baseline and after 18 months (pre and post test). The instruments used were: The CDR, NPI and NPI-D; Katz Index and FAQ. Simultaneously, caregivers were enrolled onto the Dementia Education Program. Results: The final sample was composed of 31 subjects, having a mean age of 77.4 y.o. (+/-8 SD). Nursing interventions were effective in reducing some of the behavioral disturbances (Z= -3.1; p=0.002), such as Aggression (Z= -3.7; p<0.001) and anxiety (Z= -2.3; p=0.023). Caregiver distress also reduced upon interventions (Z= -2.2; p=0.030). Conclusion: Our results indicate nursing interventions may be effective in reducing the frequency and severity of behavioral disorders and subjective burden among caregivers. Education Programs can improve caregiver burden through conveying information on difficulties related to the disease and how to deal with them. PMID- 29213388 TI - Support groups for caregivers of patients with Dementia: A comparative study. AB - : Since the dementias lead to the need for caregivers, a Group for Dementia Caregivers (GC) was set up where the present study compared the psychosocial characteristics, quality of life and caregiver overload in a Group For Dementia Caregivers (GC) with caregivers not involved in this scheme (non-GC). Methods: 19 primary caregivers counseled by this group (GC group) was studied and compared to a group of 13 caregivers not receiving such counseling (non-GC group). The instruments used were the World Health Organization Quality of Life (WHOQOL bref), the State-Trait Anxiety Inventory (STAI) and Caregiver Load Scale (CLS). Results: The two groups did not differ in mean age or gender (P<0.05). GC caregivers had a higher educational level, were service workers where majority were the children of patients. In the Non-CG group, the most frequent occupation was housewife, with most subjects being spouses. The WHOQOL revealed a significant difference (p<0.05) between groups in the physical, social relations and environment domains (GC>Non-GC). The STAI revealed a significant difference (p<0.05) in the Trait subscale (GC>Non-GC), but not in the State subscale. There was no significant difference in CLS. Conclusion: The GC appeared to be of benefit to its participants, with probable positive repercussions on the patients, particularly regarding their quality of life. PMID- 29213389 TI - Verbal and non-verbal semantic impairment: From fluent primary progressive aphasia to semantic dementia. AB - : Selective disturbances of semantic memory have attracted the interest of many investigators and the question of the existence of single or multiple semantic systems remains a very controversial theme in the literature. Objectives: To discuss the question of multiple semantic systems based on a longitudinal study of a patient who presented semantic dementia from fluent primary progressive aphasia. Methods: A 66 year-old woman with selective impairment of semantic memory was examined on two occasions, undergoing neuropsychological and language evaluations, the results of which were compared to those of three paired control individuals. Results: In the first evaluation, physical examination was normal and the score on the Mini-Mental State Examination was 26. Language evaluation revealed fluent speech, anomia, disturbance in word comprehension, preservation of the syntactic and phonological aspects of the language, besides surface dyslexia and dysgraphia. Autobiographical and episodic memories were relatively preserved. In semantic memory tests, the following dissociation was found: disturbance of verbal semantic memory with preservation of non-verbal semantic memory. Magnetic resonance of the brain revealed marked atrophy of the left anterior temporal lobe. After 14 months, the difficulties in verbal semantic memory had become more severe and the semantic disturbance, limited initially to the linguistic sphere, had worsened to involve non-verbal domains. Conclusions: Given the dissociation found in the first examination, we believe there is sufficient clinical evidence to refute the existence of a unitary semantic system. PMID- 29213390 TI - Brazilian adaptation of the Addenbrooke's Cognitive Examination-Revised (ACE-R). AB - : The Addenbrooke's Cognitive Examination-Revised (ACE-R) is a highly sensitive and specific tool for the detection of mild dementia. It is particularly useful in differentiating Alzheimer's disease from frontotemporal dementia. While the first version of the test battery has been adapted in many countries, its revised version has not, probably because it was published very recently. Objective: To translate and adapt the ACE-R for use in the Brazilian population. Methods: Two independent translations were made from English into Portuguese, followed by two independent back-translations. Few adaptations in accordance to the Brazilian culture and language were made and a first version of the instrument produced. This former version of the ACE-R was administered to 21 cognitively healthy subjects aged 60 years or more, with different educational levels. Results: The mean age of the studied sample of healthy elderly was 75.4 years (ranging from 60 to 89 years). Small additional modifications were necessary after the evaluation of the first ten subjects in order to improve comprehension of the test. The final Portuguese version of the ACE-R was produced and was found to be well understood by the remaining 11 subjects, taking an average of 15 minutes to be administered. Conclusions: The Brazilian version of the ACE-R proved to be a promising cognitive instrument for testing both in research and clinical settings. With this regard, additional studies are currently being carried out in our unit in order to investigate the diagnostic properties of the ACE-R in our milieu. PMID- 29213391 TI - Evaluation of artwork produced by Alzheimer's disease outpatients in a pilot art therapy program. AB - : The use of art as therapy for patients with Alzheimer's disease is characterized by the opportunity of art expression and is conducted with therapeutic purposes. Art in the context of dementia provides a unique window into the cognitive processes of various brain regions. Objective: To evaluate association between the severity of cognitive deficit and artwork (type, material, and quality) produced by AD patients in a pilot program. Methods: Eleven patients were evaluated in a weekly quasi-experiment study following 125 sessions of art therapy over a period of 31 months. Patients were diagnosed with Alzheimer's disease (N=11) according to standard criteria. The Mini Mental State Examination and a battery of cognitive tests were used to assess cognitive deficit. Results: Different types of artwork were observed during the sessions for most patients. The selection of drawing or modeling showed significant association with severity of cognitive deficit. Type of material, as well as quality of artwork, also showed a similar association with deficit severity. Conclusion: The significant association between type of work, drawing or modeling, with severity of cognitive impairment could be influenced by a range of damaged cognitive functions (including visuospatial), and by inadequate perception of graphic elements. PMID- 29213392 TI - Creutzfeldt-Jakob disease associated with a missense mutation at codon 200 of the prion protein gene in Brazil. AB - Genetic Creutzfeldt-Jakob disease (gCJD) represents less than 15% of CJD cases, and its clinical picture may be either indistinguishable from that of sporadic CJD (sCJD) or be atypical, usually with younger onset and longer duration. We report a case of 59-year old Brazilian man who presented rapidly progressive cognitive decline and cerebellar ataxia. EEG revealed periodic activity. A brother and a cousin of the patient had CJD. A point mutation at codon 200 (E200K) of the prion protein gene (PRNP) was found and death occurred 11 months after onset of symptoms. Autopsy was not performed. The clinical presentation of gCJD associated with E200K, which is the most frequent PRNP mutation, is quite similar to sCDJ. This is the first report of E200K mutation in Brazil, and it is possible that a more systematic search for its occurrence may show it to be relatively frequent in Brazil. PMID- 29213393 TI - Editorial. PMID- 29213394 TI - Ethical aspects of brain death and end-of-life. AB - Ethical issues surrounding brain death and end-of-life have not been afforded in Brazil the same attention as in many developed countries. There appears to be reluctance on the part of Brazilian doctors to limit or suspend procedures or treatment which prolongs life of patients in terminal phases of severe incurable illness, or to suspend the artificial means of supporting vegetative functions in cases of brain death outside the context of organ and tissue donation for transplant. Fears grounded in possible administrative (Regional Medical Councils) or legal repercussions, as well as ambiguous interpretations of religious precepts, partially explain this reluctance which often results in unnecessary prolonging of patient suffering. A recent resolution by the Federal Medical Council on end-of-life may offer doctors some guidance and confidence in dealing with highly complex ethical situations. PMID- 29213396 TI - Paraconsistent artificial neural networks and Alzheimer disease: a preliminary study. AB - : EEG visual analysis has proved useful in aiding AD diagnosis, being indicated in some clinical protocols. However, such analysis is subject to the inherent imprecision of equipment, patient movements, electric registers, and individual variability of physician visual analysis. Objectives: To employ the Paraconsistent Artificial Neural Network to ascertain how to determine the degree of certainty of probable dementia diagnosis. Methods: Ten EEG records from patients with probable Alzheimer disease and ten controls were obtained during the awake state at rest. An EEG background between 8 Hz and 12 Hz was considered the normal pattern for patients, allowing a variance of 0.5 Hz. Results: The PANN was capable of accurately recognizing waves belonging to Alpha band with favorable evidence of 0.30 and contrary evidence of 0.19, while for waves not belonging to the Alpha pattern, an average favorable evidence of 0.19 and contrary evidence of 0.32 was obtained, indicating that PANN was efficient in recognizing Alpha waves in 80% of the cases evaluated in this study. Artificial Neural Networks - ANN - are well suited to tackle problems such as prediction and pattern recognition. The aim of this work was to recognize predetermined EEG patterns by using a new class of ANN, namely the Paraconsistent Artificial Neural Network - PANN, which is capable of handling uncertain, inconsistent and paracomplete information. An architecture is presented to serve as an auxiliary method in diagnosing Alzheimer disease. Conclusions: We believe the results show PANN to be a promising tool to handle EEG analysis, bearing in mind two considerations: the growing interest of experts in visual analysis of EEG, and the ability of PANN to deal directly with imprecise, inconsistent, and paracomplete data, thereby providing a valuable quantitative analysis. PMID- 29213395 TI - Systematic review of dementia prevalence 1994 to 2000. AB - : Ageing has occurred in all regions of the world, with impact on neuropsychiatric disorders, particularly dementia. However, previous meta analysis and reviews have shown high variability in world dementia prevalence rates. Objective: The aim of this study was to perform a wide-ranging review of the dementia prevalence studies published in recent years. Methods: The search was made on Medline, Lilacs and Embase databases for research conducted between 1994 and 2000. The main inclusion criteria were: use of standard diagnostic criteria and investigation of community samples. Results: The final selection included 42 papers, from all continents. The mean prevalence rate of dementia in subjects aged 65 years and older, for continents, ranged from 2.2% in Africa to 8.9% in Europe, and among countries, from 1.3% in India to 14.9% in Spain. However, there was a trend of clustering of the world prevalence rates with the majority of studies reporting rates between 4.2% and 7.2% (>=65 years). Age directly influenced the rates, with a mean prevalence rate of 1.2% (95% CI: 0.8.1.5) for the 65-69 years group and 39.9% (95% CI: 34.4.45.3) for the 90-94 year group, but showing less pronounced influence in the very elderly age group. The urban samples had higher rates, where no significant gender difference was evidenced. Conclusion: The age influence over dementia rates apparently leveled off in the very elderly group while a trend toward similar dementia prevalence rates around the world was probably influenced by greater homogeneity in diagnostic criteria. PMID- 29213397 TI - Mini-Mental State Examination and proton spectroscopy of the posterior cingulate in Alzheimer disease. AB - : To compare metabolite ratios in the posterior cingulate with the Mini-Mental State Examination (MMSE) test scores in patients with mild or moderate Alzheimer disease and in controls. Methods: We evaluated 29 patients with mild or moderate Alzheimer disease and 15 controls by proton spectroscopy with the voxel located in the posterior cingulate. The MMSE was applied to all patients and controls. The metabolic ratios: N-acetyl-aspartate/creatine (Naa/Cr), mio-inositol/creatine (mI/Cr) and mio-inositol/N-acetyl-aspartate (mI/Naa) were obtained and then post processed using the MRUI software (magnetic resonance user interface). Results: Correlation between Naa/Cr and mI/Naa ratios in the posterior cingulate with the MMSE was observed, and a positive correlation with Naa/Cr and negative correlation with mI/Naa were seen. The mI/r ratio presented no correlation with MMSE scores. Conclusion: The positive correlation with Naa/Cr, and negative correlation with mI/Naa may corroborate that neuronal density/viability is associated to a higher MMSE score. PMID- 29213399 TI - Sensitivity and applicability of the Brazilian version of the Brief Assessment of Cognition in Schizophrenia (BACS). AB - : Cognitive assessment in schizophrenia has traditionally used batteries that are long and complex or differ widely in their content. The Brief Assessment of Cognition in Schizophrenia (BACS) has been developed to cover the main cognitive deficits of schizophrenia as well as to be easily and briefly administered, portable, sensitive and reliable. Objectives: To investigate the applicability and sensitivity of the Brazilian Version of the BACS (Brazilian-BACS). Methods: Performance of 20 stable patients with schizophrenia on the Brazilian-BACS was compared to 20 matched healthy controls. Results: Applying the Brazilian-BACS required 43.4+/-8.4minutes for patients and 40.5+/-5.7 minutes for controls (p=0.17). All tests demonstrated significant differences between controls and patients (P<0.01). Pearson's correlation analysis and Cronbach's a evidenced a high internal consistency for patient performance. The cognitive deficit in the patients was approximately 1.5 standard deviations below controls. These results were consistent with those reported in the validation of the original version and in meta-analyses of similar studies. Conclusions: The Brazilian-BACS displayed good applicability and sensitivity in assessing the major cognitive constructs that are impaired in schizophrenia. Thus, the Brazilian-BACS seems to be a promising tool for assessing cognition in patients with schizophrenia in Brazil. PMID- 29213398 TI - Prevalence of hearing impairment in patients with mild cognitive impairment. AB - : The correlation between hearing and cognition is well established in dementia, but not in mild cognitive impairment (MCI). Objective: The aim of the present study was to define the prevalence of hearing impairment in elderly patients with MCI and in controls. Methods: Twenty-nine patients with MCI and 24 control subjects were analyzed. We evaluated memory and hearing impairments through clinical tests, including the Mini Mental Status Examination, Clinical Dementia Rating (CDR) and Hearing Handicap Inventory for the Elderly Screening (HHIE-S). Audiometries were performed in 22 patients with MCI and 19 subjects in a control group. Results: MCI patients showed more hearing complaints (68.9%) compared to the control group (25%) (p=0.001). No differences in the intensity of hearing complaints, measured by the HHIE-S, were detected. Nonetheless, differences between mean hearing threshold (MCI group=23.4+/-11.3dB and control group=16.0+/ 10.1dB) (p=0.03) were identified. Conclusions: There is a significant association between MCI and hearing impairment. Hearing impairment in MCI patients may be a contributory factor to cognitive decline. This may however be related to the same neuropathological process, due to lesions of cortical areas related to hearing. The early diagnosis of hearing impairment in MCI patients may offer a more appropriate approach to this disease. PMID- 29213400 TI - Right hemisphere damage: Communication processing in adults evaluated by the Brazilian Protocole MEC - Bateria MAC. AB - : Right-brain-damaged individuals may present discursive, pragmatic, lexical semantic and/or prosodic disorders. Objective: To verify the effect of right hemisphere damage on communication processing evaluated by the Brazilian version of the Protocole Montreal d'Evaluation de la Communication (Montreal Communication Evaluation Battery) - Bateria Montreal de Avaliacao da Comunicacao, Bateria MAC, in Portuguese. Methods: A clinical group of 29 right-brain-damaged participants and a control group of 58 non-brain-damaged adults formed the sample. A questionnaire on sociocultural and health aspects, together with the Brazilian MAC Battery was administered. Results: Significant differences between the clinical and control groups were observed in the following MAC Battery tasks: conversational discourse, unconstrained, semantic and orthographic verbal fluency, linguistic prosody repetition, emotional prosody comprehension, repetition and production. Moreover, the clinical group was less homogeneous than the control group. Conclusions: A right-brain-damage effect was identified directly, on three communication processes: discursive, lexical-semantic and prosodic processes, and indirectly, on pragmatic process. PMID- 29213401 TI - The influence of schooling on working memory performance in elderly individuals without cognitive decline. AB - : Over recent decades, research on cognition has been developed rapidly toward better understanding the cognitive changes that usually occur during normal aging. There is evidence that elderly individuals have worse working memory performance than young adults. However, the effect of education on this cognitive function remains unclear. Objectives: To analyze the performance of healthy elderly subjects on working memory tasks and to verify the influence of educational level on this performance. Methods: Forty elderly individuals without cognitive impairment and fully independent, were randomly chosen from a group of subjects participating in cultural activities at the university campus. The Digit Span Forward (DSF) test was used to evaluate attention performance. The working memory performance was assessed by the Digit Span Backward (DSB) and the difference between DSF and DSB. The data were statistically analyzed using the Spearman's correlation coefficient to verify the correlation between the Digit Span (DS) scores and the variables age and schooling, while the Multiple Linear Regression Model was used to verify the effect of these variables on the DS scores. Results: A significant positive correlation (r=0.41, p<0.01) as well as a significant association (beta=0.506; p=0.001; CI 95%= 0.064/0.237) were found between years of schooling and DSB scores. It was not observed statistical correlation (r= -0.08, p=0.64) or association (beta=0.41; p=0.775; CI 95%= 0.049/0.065) between age and DSB scores. Conclusion: In this study, higher levels of schooling were associated with better working memory performance in cognitively healthy elders. PMID- 29213402 TI - The Dementia Rating Scale (DRS) in the diagnosis of vascular dementia. AB - : The Dementia Rating Scale (DRS) is considered a very useful instrument to assess patients with dementia. The tasks are grouped into five subscales, each one evaluating different cognitive areas, namely: Attention, Initiation/Perseveration (I/P), Construction, Conceptualization and Memory. Objective: To verify the ability of the DRS in discriminating vascular dementia (VaD) patients from healthy controls and VaD from Alzheimer disease (AD) patients. Methods: The DRS was applied to 68 patients with mild dementia (12 with VaD and 56 with AD) and 60 healthy controls. The clinical diagnosis was made by two neurologists based on the patients' history, laboratory and neuroimaging results and neuropsychological tests. Results: In the comparison between VaD patients and controls, the subscales I/P, Memory, Conceptualization and Attention were those displaying best discrimination between the two groups. The cutoff <124 yielded 93.3% of sensitivity and 91.7% of specificity for the diagnosis of VaD. Only the I/P subscale differentiated VaD from AD patients. Conclusions: The DRS was found to be a useful instrument to discriminate VaD patients from controls. VaD patients showed worse performance in tasks of executive functions than AD patients. Executive dysfunction, evaluated through the I/P subscale of the DRS, might be useful in differentiating between VaD and AD patients. PMID- 29213403 TI - The daily life of patients with dementia: A comparative study between the information provided by the caregiver and direct patient assessment. AB - : The functionality concept is very important, as the diagnosis of dementia presupposes the existence of functional impairment. Instruments assessing functional performance present some limitations. In most cases, the assessment is based on the caregiver's report. Some studies in international literature have evaluated this issue and concluded that a difference exists between the caregiver's report and direct patient assessment. American and European caregivers tend to underestimate the patient's functional limitations. However, this issue has hitherto not been investigated in our context. Objective: To compare the caregiver's information with direct assessment of the patient's performance based on the same functional assessment questionnaire. Methods: Seventy-two patients and caregivers were attended by the Occupational Therapy service of the Behavioral Neurology Outpatient Clinic between 1999 and 2001, 25 of whom fulfilled the inclusion criteria: having a confirmed diagnosis of dementia according to the DSM-IV; having attended three or more return appointments, and where the caregiver belonged to the patient's family nucleus. The remaining subjects were excluded because of non-adherence to treatment or refusal to participate in the study. The Functional Activities Questionnaire by Pfeffer et al., 1982 was applied to patients in a laboratory simulation, while another evaluator interviewed the respective caregivers. The data were analyzed based on the weighted Kappa coefficient, and Wilcoxon test. Results: There were significative differences between caregiver's answers and direct observation of the patient's performance. The information provided by the caregivers proved unreliable since caregivers underestimated the patient's functional capacity. PMID- 29213404 TI - Clinical evaluation of patients with moderate to severe Alzheimer disease. AB - : Today, Alzheimer disease has become a serious risk to individual and public health, due to the significant incapacity it causes patients, its influence on family members and caregivers, along with the ensuing direct and indirect costs. Objectives: To build the profile of patients with moderate/severe AD, in the Geriatric Clinic Service of Cognitive Alterations of the Medical School at Universidade de Sao Paulo, by studying demential and comorbidity conditions and the degree of effectiveness of the therapies applied. Methods: 30 patients with moderate or severe AD were selected, (77.8+/-7.29 years). Age, sex, schooling, prevalent comorbidities/treatments and respective clinical-laboratorial effectiveness were analyzed. Instruments were applied to evaluate the cognitive and behavioral condition and dementia control therapies. Results: Most frequent comorbidities were arterial hypertension (80%) and diabetes (43.3%). A maximum dose of rivastigmine was observed in 43% of the patients, where 76% experienced adverse effects. Severe patients presented more cases of uncontrolled comorbidities, such as hypertension (P<0.001), as well as more behavioral alterations (P<0.001) and functional loss (P=0.004). Patients with greater behavioral alterations proved to be more functionally dependent (P=0.002), having less comorbidity control (P=0.004). Conclusions: In this population, a high incidence of comorbidities, frequent behavioral alterations and difficulties in therapy management were noted due to the severity of the dementia condition. New therapies for more adequate control of severe dementia should be studied. PMID- 29213405 TI - Comprehensive geriatric assessment in elderly outpatients with dementia. AB - : Dementia is a common disabling disease in the elderly. In such patients, general health conditions may worsen the functional decline and loss of autonomy. The Comprehensive Geriatric Assessment (CGA) is a validated and recommended instrument for multidimensional evaluation of the aged. Nonetheless, it has yet to be assessed in demented patients. Objectives: To analyze the functional, emotional and clinical status in elderly with dementia measured by the CGA. We also compared the results obtained in the same patients stratified for severity of dementia. Methods: Transversal study with demented elderly outpatients. Subjects were evaluated by the CGA consisting of clinical data, Clinical Dementia Rating, performance-oriented mobility assessment of gait and balance (POMA), Cornell scale for depression, activities of daily living, Mini Mental Status Examination (MMSE), Mini Nutritional Assessment, Whispered and Snellen Test. Results: Fifty-two patients with mean age of 77 years were evaluated. Majority of patients had Alzheimer disease (77%). Depression was the most prevalent comorbidity. The POMA score was related to the number of falls in the previous year. Also, there was correlation between complaints of visual and hearing impairment and the results on the Snellen and Whispered Tests. Regarding severity, 56% presented mild, 33% moderate and 11% severe condition. Patients with moderate/severe dementia had less leisure activities, greater risk of falls, along with worse performance on the MMSE, POMA and activities of daily living. Conclusions: The CGA was applied in demented elderly with the help of their caregivers, and was able to better characterize patient state of health. Subjects with moderate/severe dementia obtained poor results in several assessed criteria. PMID- 29213407 TI - Ten years of the Brazilian Researchers' Meeting on Alzheimer's Disease and Related Disorders. PMID- 29213406 TI - The syndrome of progressive posterior cortical dysfunction: A multiple case study and review. AB - : Dementia presenting with prominent higher order visual symptoms may be observed in a range of neurodegenerative conditions and is often challenging to diagnose. Objectives: To describe cases of progressive dementia presenting with prominent visual cortical symptoms. Methods: We conducted a retrospective search of cases of progressive dementia with predominant visual symptoms, seen at our dementia unit from 1996 to 2006. Results: Twelve patients (5 men, 7 women) were identified, with ages ranging from 49 to 67 years. At the first examination, the duration of the symptoms ranged from one to ten years and the Mini-Mental State Examination scores from 7 to 27. Eleven patients presented with predominant visuospatial symptoms (partial or complete Balint syndrome) and one with visuoperceptive impairment. Other reported manifestations were: constructional apraxia in 11 patients, partial or complete Gerstmann syndrome in ten, ideomotor apraxia in nine, hemineglect or extinction in four patients, alien hand phenomenon in three, and prosopagnosia in one patient. Memory loss was reported by ten patients, but was not the main complaint in any of these cases. Insight was relatively preserved in five patients even after a long period following the onset of symptoms. Six patients developed parkinsonism during evolution. Clinical diagnoses were possible or probable AD in seven patients, cortico-basal degeneration in four, and dementia with Lewy body in one. Conclusions: Clinicians should consider this condition especially in presenile patients with slowly progressive higher-order visual symptoms. Although described in association with different conditions, it may also occur in Alzheimer disease. PMID- 29213408 TI - Neuroprotective actions of 2,4-dinitrophenol: Friend or foe? AB - 2,4-dinitrophenol (DNP) has long been known to be toxic at high concentrations, an effect related to uncoupling of mitochondrial oxidative phosphorylation. Five years ago, however, we reported that low concentrations of DNP protect neurons against the toxicity of the amyloid-beta peptide. Since then, a number of other studies have provided evidence of beneficial actions of DNP (at low concentrations), including neuroprotection against different types of insult, blockade of amyloid aggregation, stimulation of neurite outgrowth and neuronal differentiation, and even extension of lifespan in certain organisms. Some of these effects appear due to mild mitochondrial uncoupling and prevention of oxidative stress, whereas other actions are related to activation of additional intracellular signaling pathways. This study discusses the evidence supporting beneficial neuroprotective actions of DNP. DNP and other compounds with similar biological activities may be of interest in the development of novel therapeutic approaches for neurodegenerative diseases and other neurological disorders. PMID- 29213409 TI - New variant of Creutzfeldt-Jakob (vCJD) disease and other human prion diseases under epidemiological surveillance in Brazil. AB - To increase the timeliness of detection of human cases of the new variant of Creutzfeldt-Jakob disease (vCJD) and to reduce the risk of transmission, the Brazilian Ministry of Health has established and standardized rules and control measures. These include the definition of criteria for suspect cases, reporting, monitoring, and control measures for illness prevention and transmission. Guidelines to be used by the team of health care staff were published and distributed to health workers. A detailed proposal for a simplified system of surveillance for prion diseases was developed and mandatory reporting introduced. Additional effort is necessary to increase vCJD case detection, thus making it necessary to establish a partnership with health care services for best identification of suspected cases and dissemination of information to all involved in the service dealing with vCJD investigation. PMID- 29213410 TI - Prion diseases are undercompulsory notification in Brazil: Surveillance of cases evaluated by biochemicaland/or genetic markers from 2005 to 2007. AB - : The emergence of the new variant of Creutzfeldt-Jakob disease (vCJD) in the United Kingdom has raised concerns over the risks of this prion disease in other parts of the world. Since 2005, human prion diseases have been under compulsory notification in Brazil. It is well known that some polymorphisms within the cellular prion gene (PRNP) have been associated to a higher susceptibility to sporadic CJD (sCJD) and vCJD. Objectives: To describe the first notified cases and to evaluate the presence of mutations and polymorphisms of the PRNP in these cases. Methods: Thirty-five notified cases were evaluated by clinical, auxiliary exams and biochemical and/or genetic tests and classified according to the World Health Organization criteria for CJD. A control group (N=202) was included for the purpose of comparing the genetic analyses. Results: Twenty seven cases (74%) were classified as possible sCJD while 51% fulfilled the criteria for probable sCJD. Brain tissue analysis was available in three cases, where two were classified as definite sCJD and one as unconfirmed sCJD. Mutation of the PRNP was not found, and regarding the codon 129 polymorphism, valine in both alleles (Val129Val) was more frequent in patients than in the control group (OR=4.98; 1.55-15.96; p=0.007) when all possible cases were included, but not when only probable cases were considered. Conclusions: Our data did not show correlation of PRNP polymorphisms with probable sCJD cases. It is necessary to work toward notification of all cases of possible CJD in Brazil and to increase the rate of definitive diagnoses. PMID- 29213411 TI - Clinicopathological correlates of Alzheimer's disease in a general autopsy series from Brazil. AB - : The current neuropathological staging models of Alzheimer's disease (AD) have been developed within the last 20 years. Nevertheless, they were mostly tested on Caucasians of Northern European ancestry or on Asians. Objective: To verify which of the accepted neuropathologic criteria best discriminates AD from normal aging in a well characterized Brazilian clinicopathological series. Methods: A random sample consisting of 89 subjects belonging to the Brazilian Brain Bank of the Aging Brain Study were clinically and neuropathologically fully assessed using immunohistochemistry. Clinical and functional statuses were assessed by interviewing a reliable informant. The Clinical dementia rating scale (CDR) was compared to Braak and Braak stage, the consortium to establish a registry for Alzheimer's disease (CERAD) score and NIA-Reagan (National Institute of Aging - Reagan Institute) score. Subjects with a neuropathologic diagnosis other then AD were excluded (n=27). Results: The CDR score distribution for the 62 selected subjects was as follows: CDR0=39, CDR0.5=9, CDR1=14. There were no differences regarding age, gender and education among the groups. CDR score correlated best with the CERAD score (r=0.5303; p<0.001) . Braak and Braak stage was significantly higher in subjects with higher CDR. Correlation of the NIA-Reagan criteria was partially disrupted because a large proportion of subjects did not fit any of its categories. Conclusions: In this series, CERAD criteria better correlated with the CDR groups. Consistent with earlier studies, some cognitively normal subjects have AD neuropathological diagnosis. PMID- 29213412 TI - Underdiagnosis of frontotemporal lobar degeneration in Brazil. AB - : Frontotemporal lobar degeneration (FTLD) is a progressive neurodegenerative disorder that involves the frontal and anterior temporal lobes. It is characterized by prominent behavioral and language disorders. There are three variants of FTLD: frontotemporal dementia (FTD), semantic dementia (SD) and progressive non-fluent aphasia (PNFA). FTLD may be mistaken for AD (Alzheimer's disease) or psychiatric disorders especially in the early stages. Objectives: To describe the demographic characteristics of patients with FTLD, assessed at the Behavioral and Cognitive Neurology Unit, and to show that FTLD is commonly clinically under-diagnosed. Methods: All patients diagnosed with FTLD (Consensus Criteria for FTLD), and who were seen at the Behavioral and Cognitive Neurology Unit of Hospital das Clinicas, in Sao Paulo, Brazil from January 2004 to August 2007 were included in the analyses. Results: Sixteen patients with FTLD (11 women) were included in this study. There were 12 patients with FTD, two with PNFA and two with SD. The mean duration of the illness until diagnosis of FTLD was 4.1+/-2.3 years, ranging from one to seven years. Nine patients had been initially seen by psychiatrists, five by neurologists, and two by general physicians. The first diagnosis was psychiatric disorder in six patients, AD in four, dementia in two, FTD in two, and stroke and hydrocephalus for one patient each. Conclusion: The diagnosis of FTLD can be difficult and many patients may be misdiagnosed in Brazil, especially in the initial stages. Educational programs on FTLD for the medical community are warranted. PMID- 29213413 TI - Semantic dementia Brazilian study of nineteen cases. AB - : The term semantic dementia was devised by Snowden et al. in 1989 and nowadays, the semantic dementia syndrome is recognized as one of the clinical forms of frontotemporal lobar degeneration (FTLD) and is characterized by a language semantic disturbance associated to non-verbal semantic memory impairment. Objectives: The aim of this study was to describe a Brazilian sample of 19 semantic dementia cases, emphasizing the clinical characteristics important for differential diagnosis of this syndrome. Methods: Nineteen cases with semantic dementia were evaluated between 1999 and 2007. All patients were submitted to neurological evaluation, neuroimaging exams and cognitive, language and semantic memory evaluation. Results: All patients presented fluent spontaneous speech, preservation of syntactic and phonological aspects of the language, word-finding difficulty, semantic paraphasias, word comprehension impairment, low performance in visual confrontation naming tasks, impairment on tests of non-verbal semantic memory and preservation of autobiographical memory and visuospatial skills. Regarding radiological investigations, temporal lobe atrophy and/or hypoperfusion were found in all patients. Conclusions: The cognitive, linguistic and of neuroimaging data in our case series corroborate other studies showing that semantic dementia constitutes a syndrome with well defined clinical characteristics associated to temporal lobe atrophy. PMID- 29213414 TI - Alzheimer's patients do not show left unilateral spatial neglect but exhibit peripheral inattention and simplification. AB - : The Rey-Osterrieth Complex Figure Test (RCFT) is widely used to measure visuoperceptual and visuoconstructional skills, while the Line Bisection (LB) test is commonly employed to assess unilateral spatial neglect (USN). Previous studies have suggested that Alzheimer's disease (AD) patients may suffer from left USN. Objectives: The purpose of this study was to clarify whether left USN occurs in AD. Methods: Forty controls, 40 very mild AD patients and 31 mild/moderate AD patients performed both the RCFT copying and the LB test. Results: The very mild AD and mild/moderate AD groups had lower total RCFT copying scores and also scored lower in the "left" and "detail" categories compared to controls. However, there were no correlations between the left category score for RCFT and the LB score. Instead, peripheral inattention and simplification patterns were noted. Conclusions: We found that the RCFT copying test is effective for detecting early AD and suggest that AD patients manifest peripheral inattention and simplification but not left USN. PMID- 29213415 TI - Semantic, phonologic, and verb fluency in Huntington's disease. AB - : Verbal fluency tasks have been identified as important indicators of executive functioning impairment in patients with frontal lobe dysfunction. Although the usual evaluation of this ability considers phonologic and semantic criteria, there is some evidence that fluency of verbs would be more sensitive in disclosing frontostriatal physiopathology since frontal regions primarily mediate retrieval of verbs. Huntington's disease usually affects these circuitries. Objective: To compare three types of verbal fluency task in the assessment of frontal-striatal dysfunction in HD subjects. Methods: We studied 26 Huntington's disease subjects, divided into two subgroups: mild (11) and moderate (15) along with 26 normal volunteers matched for age, gender and schooling, for three types of verbal fluency: phonologic fluency (F-A-S), semantic fluency and fluency of verbs. Results: Huntington's disease subjects showed a significant reduction in the number of words correctly generated in the three tasks when compared to the normal group. Both controls and Huntington's disease subjects showed a similar pattern of decreasing task performance with the greatest number of words being generated by semantic elicitation followed by verbs and lastly phonologic criteria. We did not find greater production of verbs compared with F-A-S and semantic conditions. Moreover, the fluency of verbs distinguished only the moderate group from controls. Conclusion: Our results indicated that phonologic and semantic fluency can be used to evaluate executive functioning, proving more sensitive than verb fluency. However, it is important to point out that the diverse presentations of Huntington's disease means that an extended sample is necessary for more consistent analysis of this issue. PMID- 29213416 TI - Sentence comprehensionin Parkinson's disease. AB - : Parkinson's disease (PD) patients with dementia have impairment of syntactic comprehension. Non-demented PD patients also experience difficulties in sentence comprehension and can be particularly impaired in the processing of grammatical characteristics of syntactically complex sentences. Objective: The aim of this study was to verify the performance of PD patients without dementia in a syntactic comprehension task compared with normal elderly. Methods: We studied oral sentence comprehension in fourteen patients with idiopathic PD together with fourteen controls matched for age and education, using the Token Test and Schmitt's Syntactic Comprehension Test (developed in Brazilian Portuguese). Results: For the Token Test, there was no statistically significant difference between the PD group and the control group, whereas on the Syntactic Comprehension Test there was a slight statistically significant difference between the groups only for relatives in subject clauses (p=0.0407). Conclusions: PD patients differed from controls in the oral comprehension for relatives subject sentences alone. These results did not strictly reproduce those previously reported in the literature, and therefore point to the need for creating tests with diverse syntactic constructions in Portuguese able to produce consistent data regarding language behavior of Brazilian subjects with PD in comprehension tasks. PMID- 29213417 TI - Spatial working memory in Alzheimer's disease: A study using the Corsi block tapping test. AB - : The Corsi block-tapping test was developed as a non-verbal task to measure spatial memory. In this test, cubes are tapped by the examiner in novel sequences of increasing length after which participants are required to reproduce each sequence immediately. Objectives: To evaluate spatial working memory in Alzheimer's disease (AD) patients. Methods: 30 elderly control subjects (21 women, 9 men) and 30 patients with probable Alzheimer's disease (15 women and 15 men), with 8 or more years of schooling, were evaluated with the Mini-Mental State Examination (MMSE), digit span and Corsi block-tapping test. Proportions were compared using Chi-Square, and continuous variables with the Mann-Whitney tests. Results: AD patients were older than controls (p=0.014), but there were no differences regarding gender or educational level between these groups. The performance on the Corsi block-tapping test differed between AD and control individuals (p=0.010), and between patients with moderate dementia and controls (p=0.032), but not between control individuals and patients with mild dementia (p=0.090). Conclusions: In the present study, AD patients with moderate dementia showed impairment in spatial working memory while those with mild dementia did not. This finding may be due to the relatively small sample size, but it is also possible that spatial memory may be normal in the initial (limbic) phase of AD. PMID- 29213418 TI - Performance of elderly on the three words-three shapes test: a Brazilian study. AB - : The three words-three shapes test is a brief bedside technique for assessment of learning and memory using verbal and non-verbal material. To the best of our knowledge, performance of Brazilian elderly on this test has not yet been reported. Objective: To evaluate the performance of normal Brazilian elderly on the three words-three shapes test. Method: A total of 50 adult patients, 25 males and 25 females, with age ranging from 55 to 81 years (66.0+/-7.10 years), 1 to 8 years of schooling, different economic conditions and living in the Sao Jose do Rio Preto municipality, State of Sao Paulo, were evaluated. Results: There was no statistically significant difference between performance of males and females. Performance on incidental recall was significantly lower than in delayed recall. The performance in the learning phase improved following at least two further presentations of the stimuli. Approximately 50% of the participants did not remember the six stimuli and had to proceed to the recognition stage. The performance in the recognition stage was significantly better than during spontaneous recall. Patients with low educational level (less years of schooling) had poorer performance on the recall of shapes and on the total score of the test. Conclusions: The three words-three shapes test is rapid, efficient and straightforward to apply in the elderly, but low educational level was associated with poorer performance on this test. Normal elderly individuals had greater difficulty in the encoding process and in searching for stored information. PMID- 29213419 TI - Evaluation of clinical comorbidities in cognitively impaired patients with depressive symptoms. AB - : In demented patients, depressive symptoms as well as cognition and clinical comorbidities can interact and induce a complex condition of severity and handicap. Objective: The objective of this study was to evaluate the influence of depressive symptoms in cognitively impaired patients on associated clinical comorbidities in geriatric patients. Methods: One-hundred-thirty-eight (138) patients were divided into two groups: the first contained cognitively impaired patients with depressive symptoms while the second comprised cognitively impaired patients without depressive symptoms. To quantify comorbidities, the Modified CIRS Scale was used. Results: Out of the 138 patients, 52 were cognitively impaired with depressive symptoms and 86 were cognitively impaired without depressive symptoms, both having mean CDR of 1.74 (moderate dementia). The patients with depressive symptoms used more drugs (4.98 per patient vs. 3.45 per patient without depressive symptoms; p=0.001), presented more comorbidities (3.24 per patient vs. 2.46 per patient without depressive symptoms; p=0.009). However, these comorbidities were neither more severe nor more complex in the patients with depressive symptoms, with mean Comorbidity Severity Index of 1.45 in patients with and 1.37 in patients without depressive symptoms (p= 0.078) and mean Comorbidity Complexity Index of 2.41 in patients with depressive symptoms and 2.01 in those without depressive symptoms (p=0.103). Conclusion: Cognitively impaired patients with depressive symptoms had a greater absolute number of comorbidities and took more drugs although these comorbid diseases were less severe and complex than in non-depressive cognitively impaired patients. PMID- 29213420 TI - Neuropsychological rehabilitation in a patient with ruptured anterior communicating artery aneurysm: 48 month outcomes. AB - : The neurobehavioral impairments associated with aneurysms of the anterior communicating artery (ACoA) are severe amnesia, executive problems and personality changes. Although most patients achieve a favorable neurological outcome, those cognitive deficits usually prevent return to previous activities and levels of social integration. Objectives: To report the outcomes of a neuropsychological and behavioral intervention in a 55 year-old man with very severe memory and executive dysfunctions following ACoA aneurysm rupture. Methods: Neuropsychological intervention focused in functional adjustment in everyday life was used, including individual sessions with the patient, discussion sessions with caregivers and also work with patient at home, aiming generalization of the rehabilitation strategies. Neuropsychological and functional assessments were conducted pre and post intervention. Results: Important improvements were seeing in behavior and daily living performance after treatment. Conclusions: A neuropsychological rehabilitation approach focused on goals based on the family and caregivers necessities is an efficient manner in which to carry out cognitive rehabilitation in severe cases. The importance of a supportive family should be stressed. PMID- 29213421 TI - Profile of caregivers of Alzheimer's disease patients attended at a reference center for cognitive disorders. AB - : This is a study on burden of caregivers of patients with Alzheimer's disease attended at a Reference Center for Cognitive Disorders. Objective: To evaluate the profile and burden on caregivers of patients with Alzheimer's disease attended at a Reference Center for Cognitive Disorders. Methods: We collected demographic information and data on the relationship with the patient from caregivers, and measured burden with the Zarit scale. The patients were evaluated with the following scales: the Cambridge Cognitive Test (CAMCOG); Mini Mental State Examination, the Neuropsychiatric Inventory for neuropsychiatry symptoms, and Functional Activities Questionnaire - FAQ for functional impairment. Results: Of the 31 caregivers, 77.4% were female, predominantly, and daughters, having a mean age of 58.6 years, educational level of 8.1 years, 70% of caregivers co resided with the patient and 71% did not work. The mean time as a caregiver was 3 years. Twenty-seven percent of the caregivers presented mild to severe burden. The variables presenting significant association with caregiver burden were scores on the NPI and CAMCOG. Conclusion: The social demographic characteristics of the sample were similar to those of studies performed in other countries. The average time as a caregiver and the frequency of caregivers with mild to intense burden were lower than those reported in international studies. Neuropsychiatric symptoms and severity of cognitive decline were the main factors associated to burden in this sample of mostly mild to moderate demented AD patients. Further studies are necessary to verify whether the burden is indeed less intense in our milieu. PMID- 29213422 TI - Alien hand syndrome in AIDS: Neuropsychological features and physiopathological considerations based on a case report. AB - Alien hand syndrome consists of an autonomous motor activity perceived as an involuntary yet purposeful movement, with a feeling of foreignness of the involved limb, commonly associated with a failure to recognize ownership of the limb in the absence of visual cues. A 41 year old left-handed woman, HIV positive, evolved with loss of control in the left hand. Her left hand presented extravolitional movements, as if having a will of its own, not responding to commands such as opening a door or holding an umbrella, but instead groping unneeded objects. She had talked to her hand and even fought it. In addition, other clinical presentations including recent memory loss, hemineglect and dysphoria were observed. Computed tomography revealed a hypodensity area in the right frontal-parietal region, with midline deviation. Considering clinical and epidemiological data, the diagnosis of Central Nervous System (CNS) toxoplasmosis was reached. No previous reports showing association among AIDS, toxoplasmosis and alien hand syndrome were found. PMID- 29213423 TI - In the March 2016 issue. PMID- 29213425 TI - Phototest for neurocognitive screening in multiple sclerosis. AB - : Multiple Sclerosis (MS) is one of the most common neurological disorders. Cognitive dysfunction is considered a clinical marker of MS, where approximately half of patients with MS have cognitive impairment. Objective: The Phototest (PT) is a brief cognitive test with high diagnostic sensitivity, accuracy and cost effectiveness for detecting cognitive deterioration. Our aim was to test the utility of the PT as a neurocognitive screening instrument for MS. Methods: The study enrolled 30 patients with different types of MS from an outpatient clinic as well as 19 healthy participants. In conjunction with the PT, the Montreal Cognitive Assessment (MoCA), Barthel Index (BI), Expanded Disability Status Scale (EDSS), and Fatigue Severity Scale (FSS) were administered. Results: The MS group obtained significantly lower results on all domains of the PT, except for the naming task. The PT showed good concurrent validity with the MoCA. In direct comparison to the MoCA, PT showed a greater area under the curve and higher levels of sensitivity and specificity for MS neurocognitive impairments. A cut off score of 31 on the Phototest was associated with sensitivity of 100% and specificity of 76.7%. Conclusion: The PT is a valid, specific, sensitive and brief test that is not dependent on motor functions. The instrument could be an option for neurocognitive screening in MS, especially in identifying cases for further neuropsychological assessment and intervention. PMID- 29213424 TI - Causes, effects and connectivity changes in MS-related cognitive decline. AB - Cognitive decline is a frequent but undervalued aspect of multiple sclerosis (MS). Currently, it remains unclear what the strongest determinants of cognitive dysfunction are, with grey matter damage most directly related to cognitive impairment. Multi-parametric studies seem to indicate that individual factors of MS-pathology are highly interdependent causes of grey matter atrophy and permanent brain damage. They are associated with intermediate functional effects (e.g. in functional MRI) representing a balance between disconnection and (mal) adaptive connectivity changes. Therefore, a more comprehensive MRI approach is warranted, aiming to link structural changes with functional brain organization. To better understand the disconnection syndromes and cognitive decline in MS, this paper reviews the associations between MRI metrics and cognitive performance, by discussing the interactions between multiple facets of MS pathology as determinants of brain damage and how they affect network efficiency. PMID- 29213427 TI - Influence of age and education on the Rivermead Behavioral Memory Test (RBMT) among healthy elderly. AB - : Memory is a cognitive domain extensively evaluated in the neuropsychiatric setting. Assessment tools with appropriate norms for age and educational level are necessary for the proper interpretation of results. Objective: To present normative data for older adults stratified by age and education for the Rivermead Behavioral Memory Test (RBMT). The effect of age and education on the total and sub-test scores was also analyzed. Methods: A cross-sectional study involving a sample of 233 healthy elderly from a third-age group in Porto Alegre with an average age of 70 (SD 7.9) years and 10.7 (SD 4.8) years of education was carried out. The RBMT is considered an ecologically valid memory test, since it includes tasks similar to everyday situations. The sample was stratified into the following age groups: 60-69 years, 70-79 years and > 80 years. The sample was also divided into individuals with < 8 years and >= 8 years of education. Pearson's Chi-squared test and Spearman correlations were used. Results: The elderly participants with low educational level had worse performance on all sub tests, except the Pictures, Messages, Belongings and Orientation. Older elderly performed worse for total RBMT score and on the Face Recognition, Immediate and Delayed Route, Messages and Belongings subtests (p <= 0.005). Conclusion: Education and age significantly influenced RBMT scores. Therefore, norms for this test should be stratified according to these factors. PMID- 29213426 TI - Performance of low-educated elders with depression on Addenbrooke's Cognitive Examination-Revised (ace-r) test. AB - : Along with cognitive disorders, depression has been a concern for mental health services due to its highly debilitating effect on the functioning and quality of life of the elderly. However, there is still little understanding of the cognitive alterations resulting from depression or of the difficult differential diagnosis with mild cognitive impairment (MCI). It is known that performance on cognitive tests is strongly influenced by education but few studies have been conducted involving low-educated populations. Objective: To evaluate the performance of elders with low education and no dementia on Addenbrooke's Cognitive Examination-Revised (ACE-R) test and its cognitive domains, and compare patients with Current Major Depressive Episode (CMDE) against those without depressive symptoms. Methods: A retrospective, cross-sectional analytical study was conducted based on medical files of patients treated at the Cerebral Aging Clinic of the Hospital Sao Lucas of the PUCRS. The study included 116 individuals with low education (< 8 years of education) aged between 60 and 84 (69.6 +/- 6.4) years, with MCDE (N = 41) and controls (N = 75). Results: No significant difference was observed between control and MCDE groups in median scores on the ACE-R, Mini-Mental State Examination, and the five cognitive domains. There was also no difference between the groups on separate analyses of results on the clock drawing test, the categorical verbal and phonological fluency test, and the naming test. Conclusion: The results of this study showed that depressive symptoms did not influence scores on the ACE-R tests conducted in elders with low education. PMID- 29213428 TI - Does previous presentation of verbal fluency tasks affect verb fluency performance? AB - Background: Performance on the verb fluency (VF) task may be influenced by administration procedures and demographic factors of each population. Objective: The aim of this study was to verify whether the previous administration of semantic and phonemic verbal fluency tasks can influence performance on VF; and to analyze the correlation of VF performance with education, age and type of errors in Brazilian healthy elderly. Methods: Sixty-two participants were subdivided into experimental (semantic and the phonemic fluency tasks were administered before the VF) and control groups (VF only). The total score and the types of errors on the VF task were determined. Additional information was computed for the correlational analysis. Results: VF performance did not differ statistically between experimental and control groups, but correlated positively with education and negatively with intrusions. Conclusion: The lack of influence of other verbal fluency tasks on performance of the VF task in elderly individuals allows the use of this order of administration. A strong influence of educational level on VF task performance reinforces the need for further studies in different populations. PMID- 29213429 TI - Knowledge and attitudes towards dementia in a sample of medical residents from a university-hospital in Sao Paulo, Brazil. AB - : An estimated 61% of the 24.3 million people diagnosed with dementia worldwide live in underdeveloped countries, including Brazil, where a public healthcare system covers the majority of the population. This care is usually provided by General Practitioners (GP) and in Brazil many doctors recently graduated from medical school and residents of different medical specialties practice as GPs. Objective: The aim of this study was to describe the knowledge and attitudes about dementia in a sample of Brazilian medical residents from a university hospital in Sao Paulo, Brazil. Methods: A total of 152 Brazilian medical residents participated in the study. Participants answered a "Knowledge Quiz" (KQ) and "Attitude Quiz" (AQ) about dementia issues, transculturally adapted for use in Brazilian physicians. A descriptive analysis of the correct answers on knowledge and of the attitude aspects was performed. Results: The medical residents showed poor knowledge (<50%) about dementia prevalence and incidence and a good knowledge on disease management and diagnosis. Participants tended to be optimistic about caring for demented patients. Conclusion: In this study, it is likely that the physicians' good knowledge about dementia issues is the reason for their optimism dealing with demented patients. PMID- 29213430 TI - Risk factors for neurocognitive impairment in HIV-infected patients and comparison of different screening tools. AB - : HIV-associated neurocognitive disorder (HAND) is relatively frequent among HIV infected patients and is often underdiagnosed. Assessment of HAND in daily clinical practice is challenging and different tools have been proposed. Objective: To evaluate risk factors and compare different screening tools for neurocognitive impairment in HIV-infected patients. Methods: HIV-infected patients were evaluated using the International HIV-Dementia Scale (IHDS), Mini Mental State Examination (MMSE) and a neurocognitive self-perception questionnaire recommended by the European AIDS Clinical Society. Sociodemographic, clinical and laboratory data were obtained through chart review and patient interview. Results: Among the 63 patients included, low performance on the IHDS was observed in 54.0% and IHDS score was inversely associated with age (OR 0.13; 95%CI [0.02-0.67]). Regarding cognitive self-perception, 63.5% of patients reported no impairment on the three domains covered by the questionnaire. Among those patients self-reporting no problems, 42.1% had low performance on the IHDS. None of the patients scored below the education-adjusted cut-off on the MMSE. Conclusion: IHDS scores suggestive of HAND were observed in more than half of the patients and lower scores were found among older patients. There was low agreement between the different tools, suggesting that the MMSE may be inadequate for assessing HAND. The self-assessment questionnaire had low sensitivity and might not be useful as a screening tool. PMID- 29213431 TI - Cognitive functioning in adolescents with migraine. AB - : Although migraine is highly prevalent in children and teenagers, it often goes undetected in these patients, resulting in underdiagnosis and inadequate treatment. Several studies have investigated cognitive changes in adults with migraine. However, there are few studies focusing on children and adolescents. Objective: To investigate cognitive performance of adolescents with migraine. Methods: Twenty-eight adolescents diagnosed with migraine and twenty-six individuals without a history of headache were recruited for the study. All participants were evaluated using standardized neuropsychological tests. Results: Adolescents with migraine had worse performance on tests evaluating short- and long-term verbal memory, attention, executive function, and speed of processing information than controls. Conclusion: Cognitive dysfunction is common in adolescents with migraine. Since the cognitive deficits found in adolescents with migraine are similar to those reported in adults with migraine, cognitive impairment seems to persist throughout life. PMID- 29213432 TI - Validity and reliability of a "simplified" version of the Taylor Complex Figure Test for the assessment of older adults with low formal education. AB - Objective: The assessment of visuospatial abilities and memory using tasks such as the Taylor Complex Figure Task (TCFT) is biased for older adults with low formal education. We devised a "Simplified" version of the TCFT designed to assess older adults with low educational background and provide preliminary evidence of its psychometric properties. Methods: We evaluated a heterogeneous sample of healthy older adults and patients with mild cognitive impairment and Alzheimer's disease dementia using the simplified TCFT and other neuropsychological measures. Results: Our results suggest that the test copy, immediate and delayed recall have high inter-rater agreement and internal consistency, significant correlations with other tests of visuospatial abilities, memory and intelligence, and also detected significant group differences between controls and patients. Conclusion: Our study presents a new measure for assessing low-educated elderly with promising evidence of validity and reliability. PMID- 29213433 TI - Hippocampus discovery First steps. AB - The first steps of the discovery, and the main discoverers, of the hippocampus are outlined. Arantius was the first to describe a structure he named "hippocampus" or "white silkworm". Despite numerous controversies and alternate designations, the term hippocampus has prevailed until this day as the most widely used term. Duvernoy provided an illustration of the hippocampus and surrounding structures, considered the first by most authors, which appeared more than one and a half century after Arantius' description. Some authors have identified other drawings and texts which they claim predate Duvernoy's depiction, in studies by Vesalius, Varolio, Willis, and Eustachio, albeit unconvincingly. Considering the definition of the hippocampal formation as comprising the hippocampus proper, dentate gyrus and subiculum, Arantius and Duvernoy apparently described the gross anatomy of this complex. The pioneering studies of Arantius and Duvernoy revealed a relatively small hidden formation that would become one of the most valued brain structures. PMID- 29213435 TI - The progress of brazilian neuropsychology: From research to clinical practice. PMID- 29213434 TI - Capgras syndrome associated with limbic encephalitis in a patient with diffuse large B-cell lymphoma. AB - We report the case of a patient with insidious onset and slowly progressive cognitive impairment, behavioral symptoms, temporal lobe seizures and delusional thoughts typical of delusional misidentification syndromes. Clinical presentation along with extensive diagnostic work-up revealed limbic encephalitis secondary to diffuse large B-cell lymphoma. The patient underwent immunotherapy with high-dose corticosteroid but no significant improvement was observed. No specific treatment for lymphoma was performed because the patient died of septic shock following a nosocomial respiratory infection. Delusional misidentification syndromes are an unusual and unique form of cognitive impairment in which a patient consistently misidentifies persons, places, objects, or events. Capgras syndrome is the most common subtype of this disorder, being defined by the recurrent and transient belief that someone close has been substituted by an imposter. These entities are generally associated with neurodegenerative diseases and psychiatric disturbances. Rare reports of associations between misidentification syndromes and autoimmune diseases such as multiple sclerosis have been published, but no papers address a correlation with limbic encephalitis or lymphoma. PMID- 29213436 TI - In the June 2016 issue. PMID- 29213437 TI - Towards a Brazilian dementia plan? Lessons to be learned from Europe. AB - Dementia is a global socio-medical problem. The steepest increase in prevalence occurs in Latin-America and Asia. European governments have implemented dementia plans to improve care. We describe common goals of European dementia plans and discuss the Brazilian situation. Sixteen European countries have governmental dementia plans, another four are set to launch them. These plans have some common goals: to raise general awareness on dementia and reduce stigma, to establish more diagnostic centers and increase the number of people with correct diagnoses, to provide integrated care that improves quality of care and quality of life, and to promote educational programs for family and professional carers. European dementia plans have contributed toward raising awareness about dementia. More reference centers for diagnostic evaluations have been established and successful educational programs have been run. Integrated care is still a challenge in most countries. Brazil needs a plan. Facilitators and barriers for implementation should be identified by studying the European plans. PMID- 29213439 TI - Heterogeneity in semantic priming effect with a lexical decision task in patients after left hemisphere stroke. AB - Investigations on the semantic priming effect (SPE) in patients after left hemisphere (LH) lesions have shown disparities that may be explained by the variability in performance found among patients. The aim of the present study was to verify the existence of subgroups of patients after LH stroke by searching for dissociations between performance on the lexical decision task based on the semantic priming paradigm and performance on direct memory, semantic association and language tasks. All 17 patients with LH lesions after stroke (ten non-fluent aphasics and seven non aphasics) were analyzed individually. Results indicated the presence of three groups of patients according to SPE: one exhibiting SPE at both stimulus onset asynchronies (SOAs), one with SPE only at long SOA, and another, larger group with no SPE. PMID- 29213438 TI - Imaging Alzheimer's disease pathophysiology with PET. AB - Alzheimer's disease (AD) has been reconceptualised as a dynamic pathophysiological process characterized by preclinical, mild cognitive impairment (MCI), and dementia stages. Positron emission tomography (PET) associated with various molecular imaging agents reveals numerous aspects of dementia pathophysiology, such as brain amyloidosis, tau accumulation, neuroreceptor changes, metabolism abnormalities and neuroinflammation in dementia patients. In the context of a growing shift toward presymptomatic early diagnosis and disease-modifying interventions, PET molecular imaging agents provide an unprecedented means of quantifying the AD pathophysiological process, monitoring disease progression, ascertaining whether therapies engage their respective brain molecular targets, as well as quantifying pharmacological responses. In the present study, we highlight the most important contributions of PET in describing brain molecular abnormalities in AD. PMID- 29213440 TI - The Learning Curve in neurofeedback of Peter Van Deusen: A review article. AB - The Learning Curve (TLC) in neurofeedback concept emerged after Peter Van Deusen compiled the results of articles on the expected electrical activity of the brain. This concept was subsequently tested on patients at four clinics in Atlanta between 1994 and 2001. The aim of this paper was to report the historical aspects of TLC. Articles published on the electronic databases MEDLINE/PubMed and Web of Science were reviewed. During patient evaluation, TLC investigates categories called disconnected, hot temporal lobes, reversal of alpha and beta waves, blocking, locking, and filtering or processing. This enables neuroscientists to use their training designs and, by means of behavioral psychology, to work on neuroregulation, as self-regulation for patients. TLC shows the relationships between electrical, mental and behavioral activity in patients. It also identifies details of patterns that can assist physicians in their choice of treatment. PMID- 29213441 TI - Voxel-based morphometry in Alzheimers disease and mild cognitive impairment: Systematic review of studies addressing the frontal lobe. AB - : Voxel-based morphometry (VBM) is a useful approach for investigating neurostructural brain changes in dementia. We systematically reviewed VBM studies of Alzheimer's disease (AD) and mild cognitive impairment (MCI), specifically focusing on grey matter (GM) atrophy in the frontal lobe. Methods: Two searches were performed on the Pubmed database. A set of exclusion criteria was applied to ensure the selection of only VBM studies that directly investigated GM volume abnormalities in AD and/or MCI patients compared to cognitively normal controls. Results: From a total of 46 selected articles, 35 VBM studies reported GM volume reductions in the frontal lobe. The frontal subregions, where most of the volume reductions were reported, included the inferior, superior and middle frontal gyri, as well as the anterior cingulate gyrus. We also found studies in which reduced frontal GM was detected in MCI patients who converted to AD. In a minority of studies, correlations between frontal GM volumes and behavioural changes or cognitive deficits in AD patients were investigated, with variable findings. Conclusion: Results of VBM studies indicate that the frontal lobe should be regarded as an important brain area when investigating GM volume deficits in association with AD. Frontal GM loss might not be a feature specific to late AD only. Future VBM studies involving large AD samples are warranted to further investigate correlations between frontal volume deficits and both cognitive impairment and neuropsychiatric symptoms. PMID- 29213442 TI - Metamemory and aging: Psychometric properties of the Brazilian version of the Multifactorial Memory Questionnaire for elderly. AB - : Metamemory measures provide subjective memory information and are relevant to investigate memory ability in aging. However, there is a lack of metamemory instruments available in Brazil. Objective: The aim of this study was to examine the psychometric properties of the Brazilian version of the Multifactorial Memory Questionnaire (MMQ), which evaluates different dimensions of subjective memory functioning, such as Feelings, Abilities and Strategies used in everyday life. Methods: The MMQ was translated into Portuguese and administered to 30 Brazilian elderly subjects. The participants underwent cognitive tests, mood scales and metamemory instruments. Results: Analyses revealed good internal consistency (Cronbach's a coefficient ranged from 0.75 to 0.89) and test-retest validity for each MMQ dimensions (positive correlations between two applications ranged from 0.75 to 0.8). Convergent validity evidence for the MMQ was confirmed by significant positive correlations (0.47 to 0.68) with dimensions of the Metamemory in Adulthood scale (MIA) (i.e., the Ability, Control, Self-efficacy and Strategy dimensions). Discriminant validity revealed no associations between the MMQ and cognitive performance, suggesting a weak metamemory-objective memory correspondence. Moreover, there was a negative correlation between MMQ-Ability subscale scores and mood symptoms (-0.63 for anxious symptoms, and -0.54 for depressive symptoms); and the Brazilian MMQ was comparable with MMQ translations to other languages. Conclusion: The Brazilian MMQ exhibits good psychometric properties and appears promising for clinical and research purposes. Additional studies are needed to further examine the psychometric properties of the Brazilian MMQ in a larger sample. PMID- 29213443 TI - Neuropsychological benefits of a narrative cognitive training program for people living with dementia: A pilot study. AB - : Many areas in the cortex are active during reading of narrative material, and these activations in the brain produce significant changes in connectivity. Following previous results showing cognitive benefits in memory domains of a narrative training program in nursing home patients living with dementia, the aim of the present study was to perform a more in depth investigation of the effects of this training on memory domains and other cognitive areas. Methods: An experimental group of eight patients underwent auditory narrative training of 60 hours. At the beginning and end of the training, subjects were tested with a neuropsychological battery to quantify any improvements in individual performance. Results: The results showed a statistically significant improvement in the list learning task (immediate memory) and list learning recognition for single tasks, and a statistically significant improvement in overall cognitive area scores for immediate and delayed memory. Conclusion: Results replicate and expand our previous findings, indicating that this type of intervention can increase performance on memory-related tests. PMID- 29213444 TI - Methylphenidate as a cognitive enhancer in healthy young people. AB - : The so-called cognitive enhancers have been widely and increasingly used by healthy individuals who seek improvements in cognitive performance despite having no pathologies. One drug used for this purpose is methylphenidate, a first-line drug for the treatment of attention deficit hyperactivity disorder (ADHD). Objective: The aim of the present study was to test the effect of acute administration of varying doses of methylphenidate (10 mg, 20 mg, 40 mg and placebo) on a wide range of cognitive functions in healthy young people. Methods: A total of 36 young university students and graduates participated in the study. The participants underwent tests of attention and of episodic, and working memory. Results: No differences in performance were observed on any of the tests. There was a dose-dependent (40 mg > placebo) effect on self-reported wellbeing. Conclusions: According to the recent literature, psychostimulant medications, such as methylphenidate, improve performance when cognitive processes are below an optimal level, which was not the case for the subjects of the present study. We suggest the impression that methylphenidate enhances cognitive performance in healthy young people, justifying its use, may be due to improvements in subjective wellbeing promoted by the drug. PMID- 29213445 TI - Effect of caregiver characteristics on dementia management strategies. AB - : Caregiving has an important influence on the prognosis of dementia, particularly regarding the management strategy implemented. Therefore, evaluating which characteristics of caregivers can influence the choice of a particular strategy for managing dementia is needed. Objective: To evaluate the association between characteristics of caregivers and their management strategies as applied to patients with dementia. Methods: A cross-sectional study involving 45 professional caregivers from two nursing homes in Porto Alegre, Brazil, was conducted. Age, gender, education, years as a caregiver, income, burden, depressive and anxiety symptoms and dementia management strategies were evaluated for all participants. Pearson's or Spearman's correlation tests were applied according to the variable distribution (parametric or non-parametric). Bivariate correlation analysis was applied. P<0.05 was considered statistically significant. Results: There was a significant and moderate positive correlation between burden measured by the Zarit Burden Interview and criticism measured by the Dementia Management Strategies Scale (Spearman's rho = 0.555, p < 0.001). No other correlations were observed. Conclusion: Among the caregiver characteristics that directly affect the approach to managing dementia, high caregiver burden was found to be associated with high criticism, an authoritative way of managing dementia. This exploratory study indicated that a possible way of decreasing negative dementia management is to reduce caregiver burden. PMID- 29213446 TI - Psychosis and concurrent impulse control disorder in Parkinson's disease: A review based on a case report. AB - Psychosis, impulse control disorders (e.g., pathological gambling and hypersexuality) and repetitive behaviors such as punding are known psychiatric complications of Parkinson's disease (PD). Impulsive, compulsive and repetitive behaviors are strongly associated with dopamine-replacement therapy. We present the case of a 58-year-old man with PD and a myriad of psychiatric symptoms. Concurrent psychosis, punding and pathological gambling developed more than six years after the introduction of pramipexole and ceased shortly after the addition of quetiapine and discontinuation of pramipexole. This report emphasizes the importance of monitoring for a wide array of psychiatric symptoms in patients on dopamine replacement therapy. PMID- 29213447 TI - Memory training and benefits for quality of life in the elderly: A case report. AB - Studies emphasize the training of cognitive functions to decrease losses in the population. Memory training associated with neurotracker was performed by an 80 year-old man with memory complaints. A battery for measuring memory, quality of life and stress was initially applied and showed low scores. The patient underwent a program for stimulating memory and attention comprising 32 sessions (2 weekly sessions of 90 minutes each). The post-test follow-up showed improvements in the process of storage and retrieval of episodic and working memory, greater use of strategies, faster information processing speed, as well as reduction in complaints and positive impact on quality of life. The results suggest that the use of Neurotracker for training cognitive processes is valid for cognitive rehabilitation programs to promote improvements in quality of life in the elderly. PMID- 29213448 TI - Adjuvant transcranial direct current stimulation for treating Alzheimer's disease: A case study. AB - We report the case of a 73-year-old male patient with Alzheimer's disease who underwent 10-daily transcranial direct current stimulation (tDCS) sessions. tDCS was applied over the left dorsolateral prefrontal cortex as an adjuvant to the traditional treatment that the patient was receiving, which consisted of anticholinergic medication and cognitive training. The data were qualitatively analyzed and are presented in an analytic and structured form. The effects on cognitive performance were evaluated using the Alzheimer's Disease Assessment Scale-cognitive subscale as the primary outcome. Secondary outcomes were assessed with a set of tests consisting of the Neuropsychiatric Inventory, the Blessed Dementia Scale and the Disability Assessment for Dementia. The data obtained revealed that the application of tDCS had a stabilizing effect on overall patient cognitive function and led to improved performance on all the secondary outcome tests. These preliminary results indicate that tDCS is a potential adjuvant therapeutic tool for cognitive rehabilitation in Alzheimer's disease . PMID- 29213449 TI - Neurodegeneration with brain iron accumulation: A case report. AB - Pantothenate kinase-associated neurodegeneration (PKAN) is an autosomal recessive disorder caused by mutation in the PANK2 gene. It is characterized by abnormal brain iron accumulation, mainly in the globus pallidus. PKAN is included in a group of disorders known as neurodegeneration with brain iron accumulation (NBIA). We report a case of atypical PKAN with its most characteristic presentation, exhibiting marked psychiatric symptoms, speech disorder and focal dystonia. Brain MRI has great diagnostic importance in this group of disorders and, in this case, disclosed the eye-of-the-tiger sign. Genetic testing confirmed the diagnosis. PMID- 29213450 TI - Progressive multifocal leukoencephalopathy in non-HIV patient. PMID- 29213451 TI - In the September 2016 issue. PMID- 29213452 TI - Subjective cognitive decline: The first clinical manifestation of Alzheimer's disease? AB - Background: Mild cognitive impairment is considered as the first clinical manifestation of Alzheimer's disease (AD), when the individual exhibits below performance on standardized neuropsychological tests. However, some subjects before having a lower performance on cognitive assessments already have a subjective memory complaint. Objective: A review about subjective cognitive decline, the association with AD biomarkers and risk of conversion to dementia. Methods: We performed a comprehensive non-systematic review on PubMed. The keywords used in the search were terms related to subjective cognitive decline. Results: Subjective cognitive decline is characterized by self-experience of deterioration in cognitive performance not detected objectively through formal neuropsychological testing. However, various terms and definitions have been used in the literature and the lack of a widely accepted concept hampers comparison of studies. Epidemiological data have shown that individuals with subjective cognitive decline are at increased risk of progression to AD dementia. In addition, there is evidence that this group has a higher prevalence of positive biomarkers for amyloidosis and neurodegeneration. However, Alzheimer's disease is not the only cause of subjective cognitive decline and various other conditions can be associated with subjective memory complaints, such as psychiatric disorders or normal aging. The features suggestive of a neurodegenerative disorder are: onset of decline within the last five years, age at onset above 60 years, associated concerns about decline and confirmation by an informant. Conclusion: These findings support the idea that subjective cognitive complaints may be an early clinical marker that precedes mild cognitive impairment due to Alzheimer's disease. PMID- 29213453 TI - Effects of cognitive stimulation on neuropsychiatric symptoms in elderly with Alzheimer's disease: A systematic review. AB - Introduction: Neuropsychiatric symptoms are frequent in Alzheimer's disease and negatively affect patient quality of life. Objective: To assess the effectiveness of cognitive stimulation on neuropsychiatric symptoms in elderly patients with Alzheimer's disease. Methods: The included articles were reviewed between December 2015 and June 2016, and the inclusion criteria were: (1) studies involving older adults diagnosed with Alzheimer's disease; (2) studies published in English, Spanish or Portuguese; (3) studies that determined the effect of cognitive stimulation on neuropsychiatric symptoms in elderly patients with Alzheimer's disease; (4) controlled trials. Results: Out of the total 722, 9 articles matched the inclusion criteria. Depression, apathy and anxiety were the most frequent symptoms. Conclusion: Studies reported significant results post treatment, suggesting cognitive stimulation can be effective for these neuropsychiatric symptoms, thus improving the quality of life of Alzheimer's disease patients and their caregivers. PMID- 29213455 TI - Association of education with occurrence of delirium in patients from an emergency department. AB - Background: Delirium is a neuropsychiatric syndrome with multiple etiological factors. Evaluation of delirium in different settings, especially the Emergency Department (ED) pertaining to different regions of the world with patients from different cultural and educational backgrounds is needed. Objective: To determine the prevalence of delirium and its association with education in an ED in Brazil during a 6-month period. Methods: Patients aged >18 years were randomly selected from ED admissions. The instruments Confusion Assessment. Method: (CAM) scale, Mini-Mental State Examination (MMSE), Wechsler Logical Memory (WLM) and Charlson comorbidity score were applied to evaluate delirium, cognitive status, and comorbidities. Results: The prevalence of delirium was10.7%. Delirium patients had significantly lower education, MMSE and WLM (immediate and delayed) scores, with 97.4% presenting episodic memory impairment. Patients with delirium had more history of neurological disorders. Three logistic regression models evaluating the association of variables with delirium were developed. Age and MMSE were retained in the first model, WLM scores in the second, and education in the third. Conclusion: To the best of our knowledge, this is the first study estimating the prevalence of delirium in a Brazilian ED. Lower education was associated with the occurrence of delirium. PMID- 29213454 TI - Sleep and executive functions in older adults: A systematic review. AB - Introduction: A recent increase in studies suggests a role of age-related sleep changes in executive functions (EF). However, this relationship remains unclear and mixed results have emerged. Objective: To investigate how age-related sleep changes may play an important role in the extent to which healthy older adults exhibit decline in EF. Methods: A systematic strategy was employed to identify the available literature on age-related sleep changes and EF. Results: Of the 465 studies identified, 26 were included. Results: suggest that multiple sleep parameters differ in the way they benefit or impair EF. Parameters such as greater wake after sleep onset and lower sleep efficiency, in addition to circadian fragmentation of sleep, showed more consistent results and are potentially correlated with worsening in EF measures. However, other results seem inconclusive. Conclusion: These findings were discussed based on the prefrontal circuitry vulnerability model, in which sleep has been identified as a beneficial factor for prefrontal cortex functioning and hence for EF, which relies mostly on this brain area and its related networks. PMID- 29213456 TI - Delayed recall memory impairment in patients with Parkinson's disease. AB - : Age is one of the risk factors for dementia in patients with Parkinson's disease (PDD). Distinct cognitive syndromes of Parkinson's disease (PD) have been identified in previous studies. Questions about the role of such cognitive disorders in PD outcomes, especially memory dysfunction, in patients with PD remain unanswered. Objective: To establish possible correlations between delayed recall memory (episodic memory), age, and other demographic variables in patients with PD. Methods: A two-stage protocol was applied. Patients with delayed recall memory compromise, selected based on a brief battery of tests (BBRC-Edu), were classified as dementia cases and submitted to the Mattis Dementia Rating Scale (MDRS). Data from patients with memory disturbances were compared against individuals without episodic memory impairment, and correlated with age and demographic variables. Results: Except for identification and naming, all subtests in the screening battery showed a significant difference (p<=0.0001) between the memory-compromised group (case) and the group without memory impairment (no case). The results also correlated negatively with age (p<=0.0001) and positively with level of education (p=0.0874) in patients with PD. Conclusion: The analysis showed a significant relationship between age and dementia characterized by impaired episodic memory. The findings support reports of a wide spectrum of neuropsychological performance impairment in PD with age, particularly dementia associated with memory deterioration. No correlations between disease duration and cognitive dysfunction were evident. PMID- 29213457 TI - Sensorimotor speech disorders in Parkinson's disease: Programming and execution deficits. AB - Introduction: Dysfunction in the basal ganglia circuits is a determining factor in the physiopathology of the classic signs of Parkinson's disease (PD) and hypokinetic dysarthria is commonly related to PD. Regarding speech disorders associated with PD, the latest four-level framework of speech complicates the traditional view of dysarthria as a motor execution disorder. Based on findings that dysfunctions in basal ganglia can cause speech disorders, and on the premise that the speech deficits seen in PD are not related to an execution motor disorder alone but also to a disorder at the motor programming level, the main objective of this study was to investigate the presence of sensorimotor disorders of programming (besides the execution disorders previously described) in PD patients. Methods: A cross-sectional study was conducted in a sample of 60 adults matched for gender, age and education: 30 adult patients diagnosed with idiopathic PD (PDG) and 30 healthy adults (CG). All types of articulation errors were reanalyzed to investigate the nature of these errors. Interjections, hesitations and repetitions of words or sentences (during discourse) were considered typical disfluencies; blocking, episodes of palilalia (words or syllables) were analyzed as atypical disfluencies. We analysed features including successive self-initiated trial, phoneme distortions, self-correction, repetition of sounds and syllables, prolonged movement transitions, additions or omissions of sounds and syllables, in order to identify programming and/or execution failures. Orofacial agility was also investigated. Results: The PDG had worse performance on all sensorimotor speech tasks. All PD patients had hypokinetic dysarthria. Conclusion: The clinical characteristics found suggest both execution and programming sensorimotor speech disorders in PD patients. PMID- 29213458 TI - Validation of the Argentine version of the Memory Binding Test (MBT) for Early Detection of Mild Cognitive Impairment. AB - Background: "Forgetfulness" is frequent in normal aging and characteristic of the early stages of dementia syndromes. The episodic memory test is central for detecting amnestic mild cognitive impairment (MCI). The Memory Binding Test (MBT) is a simple, easy and brief memory test to detect the early stage of episodic memory impairment. Objective: To validate the Argentine version of the MBT in a Latin American population and to estimate the diagnostic accuracy as a tool for early detection of MCI. Methods: 88 subjects (46 healthy controls and 42 patients with amnestic MCI) matched for age and educational level were evaluated by an extensive neuropsychological battery and the memory binding test. Results: A significantly better performance was detected in the control group; all MBT scales were predictive of MCI diagnosis (p<.01). The MBT showed high sensitivity (69%) and high specificity (88%), with a PPV of 93% and a NPV of 55% for associative paired recall. A statistically significant difference (c2=14,164, p<.001) was obtained when comparing the area under the curve (AUC) of the MBT (0.88) and the MMSE (0.70). Conclusion: The Argentine version of the MBT correlated significantly with the MMSE and the memory battery and is a useful tool in the detection of MCI. The operating characteristics of the MBT are well suited, surpassing other tests commonly used for detecting MCI. PMID- 29213459 TI - The Clock Drawing Test: Performance differences between the free-drawn and incomplete-copy versions in patients with MCI and dementia. AB - Background: The Clock Drawing Test (CDT) is a brief cognitive screening tool for dementia. Several different presentation formats and scoring methods for the CDT are available in the literature. Objective: In this study we aimed to compare performance on the free-drawn and "incomplete-copy" versions of the CDT using the same short scoring method in Mild Cognitive Impairment (MCI) and dementia patients, and healthy elderly participants. Methods: 90 participants (controlled for age, sex and education) subdivided into control group (n=20), MCI group (n=30) and dementia group (n=40) (Alzheimer's disease - AD=20; Vascular Dementia VD=20) were recruited for this study. The participants performed the two CDT versions at different times and a blinded neuropsychologist scored the CDTs using the same scoring system. Results: The scores on the free-drawn version were significantly lower than the incomplete-copy version for all groups. The dementia group had significantly lower scores on the incomplete-copy version of the CDT than the control group. MCI patients did not differ significantly from the dementia or control groups. Performance on the free-drawn copy differed significantly among all groups. Conclusion: The free-drawn CDT version is more cognitively demanding and sensitive for detecting mild/early cognitive impairment. Further evaluation of the diagnostic value (accuracy) of the free drawn CDT in Brazilian MCI patients is needed. PMID- 29213460 TI - The influence of age, gender and education on the performance of healthy individuals on a battery for assessing limb apraxia. AB - Introduction: Apraxia is defined as a disorder of learned skilled movements, in the absence of elementary motor or sensory deficits and general cognitive impairment, such as inattention to commands, object-recognition deficits or poor oral comprehension. Limb apraxia has long been a challenge for clinical assessment and understanding and covers a wide spectrum of disorders, all involving motor cognition and the inability to perform previously learned actions. Demographic variables such as gender, age, and education can influence the performance of individuals on different neuropsychological tests. Objective: The present study aimed to evaluate the performance of healthy subjects on a limb apraxia battery and to determine the influence of gender, age, and education on the praxis skills assessed. Methods: Forty-four subjects underwent a limb apraxia battery, which was composed of numerous subtests for assessing both the semantic aspects of gestural production as well as motor performance itself. The tasks encompassed lexical-semantic aspects related to gestural production and motor activity in response to verbal commands and imitation. Results: We observed no gender effects on any of the subtests. Only the subtest involving visual recognition of transitive gestures showed a correlation between performance and age. However, we observed that education level influenced subject performance for all sub tests involving motor actions, and for most of these, moderate correlations were observed between education level and performance of the praxis tasks. Conclusion: We conclude that the education level of participants can have an important influence on the outcome of limb apraxia tests. PMID- 29213462 TI - Arteriovenous malformation and dementia: A case report. AB - Arteriovenous malformation (AVM) is a congenital lesion commonly associated with intracranial hemorrhage. We describe a woman with an AVM (Spetzler-Martin grade V) and presenile progressive dementia. The association between AVM and cognition is discussed. PMID- 29213461 TI - Mother and daughter with adolescent-onset severe frontal lobe dysfunction and epilepsy. AB - Familial cases of early-onset prominent frontal lobe dysfunction associated with epilepsy have not been reported to date. We report a mother and her only daughter with incapacitating behavioral manifestations of frontal lobe dysfunction and epilepsy of variable severity. The possibility of a hitherto undescribed genetic condition is discussed. PMID- 29213463 TI - Brazilian National Anthem presenting as musical hallucination: A case report with 9-year follow-up. AB - Musical hallucination is a type of complex auditory hallucination. Possible etiologies are deafness, psychiatric disorders such as schizophrenia, major depression, use of medication and stress, besides neurologic diseases including epilepsy, stroke and cancer. Uncommon etiologies encompass infectious diseases, metabolic disorders, and sensory deprivation. Although musical hallucinations have a major impact on patients' lives, they have been undervalued and understudied in the literature. We report a case of a 79-year-old woman with musical hallucination (hearing a sung National anthem) without cognitive impairment or hearing loss. The patient had preserved insight of her complaint and responded well to neuroleptics. PMID- 29213464 TI - All that glitters is not gold: When motor and vocal tics in a child do not match Tourette syndrome: A case report. AB - The atypical form of Pantothenate Kinase-Associated Neurodegeneration (PKAN) tends to present at around the age of 14 years, has a heterogeneous presentation with extrapyramidal symptoms, and approximately one third of patients exhibit psychiatric problems. This paper reports the case of a patient with apparent typical symptoms of Tourette syndrome. However, the severity and poor response to treatment led to further investigation and the diagnosis of PKAN as a secondary cause of Tourettism was reached. PMID- 29213465 TI - Magendie and Luschka: Holes in the 4th ventricle. AB - Cerebrospinal fluid (CSF) is a complex liquid formed mainly by the choroid plexuses. After filling the ventricular system where it circulates, CSF flows out to the subarachnoid spaces through openings in the 4th ventricle. Following numerous studies on CSF pathways, these openings were first discovered in the 19th century by two notable researchers, Francois Magendie and Hubert von Luschka, who described the median and lateral openings subsequently named after them. Even after the studies of Axel Key and Gustav Magnus Retzius confirming these openings, their existence was questioned by many anatomists, yet acknowledged by others. Finally gaining the acceptance of all, recognition of the holes endures to the present day. Interest in these openings may be attributed to the several congenital or acquired pathological conditions that may affect them, usually associated with hydrocephalus. We report some historical aspects of these apertures and their discoverers. PMID- 29213466 TI - Cognitive dysfunction and dementia in movement disorders. PMID- 29213467 TI - Revisiting the neuropsychiatry of Huntington's disease. AB - Huntington's disease (HD) is an autosomal dominant neurodegenerative disease classified under the choreas. Besides motor symptoms, HD is marked by cognitive and behavioral symptoms, impacting patients' functional capacity. The progression of cognitive impairment and neuropsychiatric symptoms occur in parallel with neurodegeneration. The nature of these symptoms is very dynamic, and the major clinical challenges include executive dysfunction, apathy, depression and irritability. Herein, we provide a focused updated review on the cognitive and psychiatric features of HD. PMID- 29213468 TI - Corticobasal syndrome: A diagnostic conundrum. AB - Corticobasal syndrome (CBS) is an atypical parkinsonian syndrome of great interest to movement disorder specialists and behavioral neurologists. Although originally considered a primary motor disorder, it is now also recognized as a cognitive disorder, usually presenting cognitive deficits before the onset of motor symptoms. The term CBS denotes the clinical phenotype and is associated with a heterogeneous spectrum of pathologies. Given that disease-modifying agents are targeting the pathologic process, new diagnostic methods and biomarkers are being developed to predict the underlying pathology. The heterogeneity of this syndrome in terms of clinical, radiological, neuropsychological and pathological aspects poses the main challenge for evaluation. PMID- 29213469 TI - Cognitive dysfunction in hereditary spastic paraplegias and other motor neuron disorders. AB - Hereditary spastic paraplegia (HSP) is a diverse group of single-gene disorders that share the predominant clinical feature of progressive lower limb spasticity and weakness. More than 70 different genetic subtypes have been described and all modes of inheritance are possible. Intellectual dysfunction in HSP is frequent in recessive forms but rare in dominant families. It may manifest by either mental retardation and/or cognitive decline. The latter may be subtle, restricted to executive dysfunction or may evolve to severe dementia. The cognitive profile is thought to depend largely on the genetic subtype of HSP, although wide phenotypic variability within the same genetic subtype and also within the same family can be found. PMID- 29213470 TI - Gait, posture and cognition in Parkinson's disease. AB - Gait disorders and postural instability are the leading causes of falls and disability in Parkinson's disease (PD). Cognition plays an important role in postural control and may interfere with gait and posture assessment and treatment. It is important to recognize gait, posture and balance dysfunctions by choosing proper assessment tools for PD. Patients at higher risk of falling must be referred for rehabilitation as early as possible, because antiparkinsonian drugs and surgery do not improve gait and posture in PD. PMID- 29213472 TI - Neuropsychological profile of Parkinson's disease patients selected for deep brain stimulation surgery. AB - Background: Parkinson's disease (PD) shows symptoms involving motor and non-motor complications, including cognitive and behavioral changes, such changes might to contraindicate deep brain stimulation surgery (DBS). Objective: The aim of study was to investigate the neuropsychological profile of patients with PD in a waiting list for DBS. Methods: The neuropsychological evaluation was held in 30 patients of the ISCMPA Movement Disorders Clinic, with surgical indication based on the criteria of the responsible neurologists, in the period of 12 months. Instruments used: MMSE, FAB, MoCA, BDI, Semantic Verbal Fluency, PDQ-39, PDSS; and the UPDRS and Hoehn-Yahr scale. Results: The patients were mostly male (66.7%) with a mean age of 59.37 (SD 10.60) and disease duration 9.33 (SD 4.08). There was cognitive impairment in 56.7% of patients by FAB and 76.7% by MoCA. Conclusion: Even in the earliest stages of the disease, there is the incidence of non-motor symptoms, especially in those subjects who had an early onset of the disease. PMID- 29213471 TI - Cell-based technologies for Huntington's disease. AB - Huntington's disease (HD) is a fatal genetic disorder, which causes the progressive breakdown of neurons in the human brain. HD deteriorates human physical and mental abilities over time and has no cure. Stem cell-based technologies are promising novel treatments, and in HD, they aim to replace lost neurons and/or to prevent neural cell death. Herein we discuss the use of human fetal tissue (hFT), neural stem cells (NSCs) of hFT origin or embryonic stem cells (ESCs) and induced pluripotent stem cells (IPSCs), in clinical and pre clinical studies. The in vivo use of mesenchymal stem cells (MSCs), which are derived from non-neural tissues, will also be discussed. All these studies prove the potential of stem cells for transplantation therapy in HD, demonstrating cell grafting and the ability to differentiate into mature neurons, resulting in behavioral improvements. We claim that there are still many problems to overcome before these technologies become available for HD patient treatment, such as: a) safety regarding the use of NSCs and pluripotent stem cells, which are potentially teratogenic;b) safety regarding the transplantation procedure itself, which represents a risk and needs to be better studied; and finallyc) technical and ethical issues regarding cells of fetal and embryonic origin. PMID- 29213473 TI - The impact of cognitive performance on quality of life in individuals with Parkinson's disease. AB - Background: Evidence points to the occurrence of cognitive impairment in all stages of PD, constituting a frequent and debilitating symptom, due to high impact on quality of life and mortality of patients. Objective: To correlate cognitive performance with quality of life in PD. Methods: The sample was drawn from a Movement Disorders Clinic of a reference hospital in Porto Alegre. Inclusion criteria were: PD diagnosis, according to the United Kingdom Parkinson's Disease Society Brain Bank criteria for idiopathic PD (Hughes et al. 1992) and patient consent to participate. Patients with other neurological pathologies and those submitted to deep brain stimulation were excluded. The evaluation consisted of a cognitive testing battery (composed of eight tests for assessing cognitive performance), and a questionnaire on quality of life (PDQ-39) and depression (BDI). Results: The sample comprised 85 individuals with PD, with a mean age of 62.9 years (+/-10.7), mean disease duration of 10.4 years (+/-5.7), and mean educational level of four years (+/-4.3). There was a significant relationship between total score on the PDQ and all cognitive tests, showing that poor cognitive performance was correlated with poor quality of life. Moreover, a significant correlation was observed between cognitive tests and depression, H&Y, education level, and age. Conclusion: It may be concluded that the individuals with PD in this sample showed a correlation between poorer quality of life and worse cognitive performance. Poor performance was also correlated with more advanced stage, older age, low level of education and depression. PMID- 29213474 TI - Cognitive impairment in Spinocerebellar ataxia type 10. AB - Background: Cognitive and psychiatric dysfunction has been described in several neurodegenerative diseases but has not been systematically evaluated in spinocerebellar ataxia type 10 (SCA10). Objective: The aim of the present study was to investigate the core cognitive features in a large cohort of Brazilian patients with SCA10, comparing the results against a healthy control group. Methods: Twenty-eight SCA10 and 28 healthy subjects were prospectively assessed regarding cognitive function and psychiatric disorders at the Movement Disorders Unit of the Federal University of Parana between February 2012 and October 2014. Results: The SCA10 group had worse depression scores, as well as cognitive performance, when compared to healthy individuals. Conclusion: Our study showed mild cognitive and mood dysfunctions in patients with SCA10, consistent with the symptoms reported in the Cerebellar Cognitive Affective Syndrome described by Schmahmann JD in 1998. The description of these findings is an important clinical phenomenon that may guide physicians in specific disease management and improve quality of life of these patients. PMID- 29213475 TI - Cluster analysis of cognitive performance in a sample of patients with Parkinson's disease. AB - Background: Cognitive impairment is a common feature of Parkinson's disease (PD). The diagnoses of mild cognitive impairment (MCI) in patients with PD implies an increased risk for later development of dementia, however, it is unclear whether a specific type of cognitive loss confers increased risk for faster cognitive decline. Objective: Determine whether it was possible to identify distinct cognitive phenotypes in a sample of patients with PD. Methods: A cross-sectional evaluation of 100 patients with PD recruited from a movement disorders clinic was conducted. The patients were evaluated using the simplified motor score of the UPDRS, the Hoehn and Yahr, Schwab and England, Geriatric Depression Scale, Pfeffer Functional Activities Questionnaire, Clinical Dementia Rating Scale, Mini Mental State Examination, clock drawing test, digit span, word list battery of CERAD, Frontal Assessment Battery and verbal fluency test. We classified the patients as having normal cognition (PDNC), MCI (PDMCI) or dementia (PDD). Data were analyzed using the chi-square test, non-parametric statistics and cluster analysis. Results: There were 40 patients with PDD, 39 with PDMCI and 21 with PDNC. Patients with PDD were older, had longer disease duration, lower education and lower MMSE scores. Cluster analysis showed 3 general distinct cognitive profiles that represented a continuum from mild to severe impairment of cognition, without distinguishing specific cognitive profiles. Conclusion: Cognitive impairment in PD occurs progressively and heterogeneously in most patients. It is unclear whether the definition of the initial phenotype of cognitive loss can be used to establish the cognitive prognosis of patients. PMID- 29213476 TI - Which factors are associated with global cognitive impairment in Wilson's disease? AB - Background: Patients with Wilson's disease (WD) present cognitive impairment, especially in executive functions. Which other factors might be associated with global cognitive decline in these patients remains unclear. Objective: To assess which factors are associated with worse performance on a global cognitive test in patients with WD. Methods: Twenty patients with WD underwent cognitive assessment with the following tests: the Mini-Mental State Examination (MMSE), Dementia Rating Scale (DRS), verbal fluency test, brief cognitive battery, clock drawing test, Frontal Assessment Battery, Stroop test, Wisconsin card sorting test, Hopper test, cubes (WAIS) and the Pfeffer questionnaire. MRI changes were quantified. Patients with poor performance on the DRS were compared to patients with normal performance. Results: Nine patients had a poor performance on the DRS. This group had lower educational level (9.11+/-3.58* 12.82+/-3.06) and a greater number of changes on MRI (9.44+/-2.74* 6.27+/-2.45). The presence of hyperintensity in the globus pallidus on MRI was more frequent in this group (66.6% vs 9.0%), with OR=5.38 (95% CI 0.85-33.86). Conclusion: Global cognitive impairment was prevalent in this sample of patients with WD and was associated with low educational level, number of changes on MRI and MRI hyperintensity in the globus pallidus. PMID- 29213477 TI - Telerehabilitation in Parkinson's disease: Influence of cognitive status. AB - Background: The need for efficacy in voice rehabilitation in patients with Parkinson's disease is well established. Given difficulties traveling from home to treatment centers, the use of telerehabilitation may represent an invaluable tool for many patients. Objective: To analyze the influence of cognitive performance on acceptance of telerehabilitation. Methods: Fifty patients at stages 2-4 on the Hoehn-Yahr scale, aged 45-87 years old, with cognitive scores of19-30 on the Mini-Mental State Examination, and 4-17 years of education were enrolled. All patients were submitted to evaluation of voice intensity pre and post in-person treatment with the Lee Silverman Voice Treatment (LSVT) and were asked to fill out a questionnaire regarding their preferences between two options of treatment and evaluating basic technological competence. Results: Comparisons between pre and post-treatment values showed a mean increase of 14dBSPL in vocal intensity. When asked about potential acceptance to participate in future telerehabilitation, 38 subjects agreed to take part and 12 did not. For these two groups, 26% and 17% self-reported technological competence, respectively. Agreement to engage in remote therapy was positively associated with years of education and cognitive status. Conclusion: Responses to the questionnaire submitted after completion of traditional in-person LSVT showed that the majority of patients (76%) were willing to participate in future telerehabilitation. Age, gender, disease stage and self-reported basic technological skills appeared to have no influence on the decision, whereas other factors such as cognitive status and higher school education were positively associated with acceptance of the new therapy approach. PMID- 29213478 TI - Some aspects of the validity of the Montreal Cognitive Assessment (MoCA) for evaluating cognitive impairment in Brazilian patients with Parkinson's disease. AB - Background: The Montreal Cognitive Assessment (MoCA) is a short global cognitive scale, and some studies suggest it is useful for evaluating cognition in patients with Parkinson's disease (PD). However, its accuracy has been questioned in studies involving patients with low education. Objective: We sought to assess whether some of the MoCA subtests contribute to the low accuracy of the test. Methods: We performed a cross-sectional retrospective analysis of clinical data in a cohort of 71 patients with PD, most with less than 8 years of education. Patients were examined using the MDS-UPDRS, Hoehn and Yahr and the MoCA. The data were analyzed using mainly descriptive statistics. Results: We analyzed the data of 66 patients that were not demented according to the clinical evaluation and classified them using the proposed cut-off MoCA scores for diagnosis of MCI and dementia. Thirteen patients (19.7%) were classified as having normal cognition, 24 (36.3%) MCI and 29 (43.9%) dementia. Patients with dementia had longer disease duration (p=0.016) and lower education (p=0.0001). Total MoCA scores had a an almost normal distribution with a wide range of scores and only one maximum score. Performance on the MoCA was highly correlated with education (correlation coefficient=0.66, p=0.0001). At least five of the 10 MoCA subtests showed significant floor effects. Conclusion: We believe that some of the MoCA subtests may be too difficult to be completed by PD patients with low educational level, thus contributing to the test's poor diagnostic accuracy. PMID- 29213479 TI - The perception of apathy by caregivers of patients with dementia in Parkinson's disease. AB - Background: Apathy is one of the main neuropsychiatric symptoms in patients with Parkinson's disease (PD) and is associated with Parkinson's disease dementia (PDD). Objective: To identify the characteristics of apathy in individuals with PDD according to caregiver perception. Methods: Thirty-nine patients with PD according to MDS criteria for PDD were included. The following scales were used: the Hoehn and Yahr, the Unified Parkinson's Disease Rating Scale III, Scales for Outcomes in Parkinson's Disease-Cognition (SCOPA Cog), the Montgomery-Asberg Depression Rating Scale (MADRS) and the Apathy Evaluation Scale (AES). Results: A total of 97.4% of the patients showed results consistent with apathy. Analysis of question 14 of the AES revealed no correlation with the total result of all the questions [r=-1293, r2=0.0167, 95%CI (-0.4274 to 0.1940), P=0.2162], however, there was a correlation of responses to the same question with depression data on the MADRS scale [r=-0.5213, r2=0.2718, 95%CI (-0.7186 to -0.2464), P=0.00033]. Conclusion: Apathy is a disorder associated with PDD. However, the scoring scheme of the AES questions can lead to different interpretations of caregiver responses, highlighting limitations of the tool for use in studies of PDD. PMID- 29213480 TI - Comparison of the use of screening tools for evaluating cognitive impairment in patients with Parkinson's disease. AB - Background: Screening tests have been used for cognitive deficits in Parkinson's disease (PD). Objective: This study compared the Montreal Cognitive Assessment (MoCA) test, the Mini-Mental State Examination (MMSE) and the clock drawing test for this purpose. Methods: A total of 50 patients with PD were selected, 41 (82%) were diagnosed with dementia by the criteria of the Movement Disorder Society. The test Scales for Outcomes in Parkinson's Disease-Cognition (SCOPA-Cog) was used as the gold standard in comparison with the screening tests. Results: The MoCA test (AUC=0.906) had a sensitivity of 87.80% and specificity of 88.89%. When the MMSE was associated with the clock drawing test (AUC=0.936), it had a specificity of 66.67% and sensitivity of up to 97.56%. Conclusion: The study suggests that the MoCA test can be a good screening test in PD. However, MMSE associated with the clock drawing test may be more effective than the MoCA test. PMID- 29213482 TI - Cerebellum and Cognition Henrietta Leiner's contribution. Historical note. AB - The authors present the scientific contribution of Professor Henrietta C. Leiner, one of the pioneering scientists in the study of cognitive function of the cerebellum. PMID- 29213481 TI - The importance of recognizing faciobrachial dystonic seizures in rapidly progressive dementias. AB - Background: Creutzfeldt-Jakob Disease (CJD) is the prototypical cause of rapidly progressive dementia (RPD). Nonetheless, efforts to exclude reversible causes of RPD that mimic prion disease are imperative. The recent expanding characterization of neurological syndromes associated with antibodies directed against neuronal cell surface or sympathic antigens, namely autoimmune encephalitis is shifting paradigms in neurology. Such antigens are well known proteins and receptors involved in synaptic transmission. Their dysfunction results in neuropsychiatric symptoms, psychosis, seizures, movement disorders and RPD. Faciobrachial dystonic seizure (FBDS) is a novel characterized type of seizure, specific for anti-LGI1 encephalitis. Objective: In order to improve clinical recognition we report the cases of two Brazilian patients who presented with characteristic FDBS (illustrated by videos) and anti-LGI1 encephalitis. Methods: We have included all patients with FBDS and confirmed anti-LGI1 encephalitis and video records of FDBS in two tertiary Brazilian centers: Department of Neurology of Hospital das Clinicas, Sao Paulo University, Sao Paulo, Brazil and Hospital Geral de Fortaleza, Fortaleza, Brazil between January 1, 2011 and December 31, 2015. Results: Both patients presented with clinical features of limbic encephalitis associated with FBDS, hyponatremia and normal CSF. None of them presented with tumor and both showed a good response after immunotherapy. Conclusion: FBDSs may be confounded with myoclonus and occurs simultaneously with rapid cognitive decline. Unawareness of FDBS may induce to misdiagnosing a treatable cause of RPD as CJD. PMID- 29213483 TI - Bipolar disorder, a precursor of Parkinson's disease? AB - Parkinson's disease is a neurodegenerative disorder predominantly resulting from dopamine depletion in the substantia nigra pars compacta. Some psychiatric disorders may have dopaminergic dysfunction as their substrate. We describe a well-documented case of Parkinson's disease associated with Bipolar Disorder. Although there is some knowledge about the association between these diseases, little is known about its pathophysiology and correlation. We believe that among various hypotheses, many neurotransmitters are linked to this pathophysiology. PMID- 29213484 TI - Percheron thalamopeduncular syndrome with cervical dystonia: A case report. AB - Bilateral thalamic infarctions are usually caused by occlusion of the "Artery of Percheron" (AoP). Thalamopeduncular syndrome is among the most common presentations of AoP occlusion. A 59-year-old male presented abrupt decreased level of consciousness. After several weeks, on regaining consciousness, he exhibited oculomotor abnormalities, ataxic gait, cervical dystonia, and cognitive and behavioral changes. Magnetic resonance imaging disclosed thalamic, subthalamic, mammillary and midbrain infarction. Clinical features suggestive of bilateral thalamopeduncular syndrome were identified. Besides the presence of cognitive impairment and behavioral symptoms, cervical dystonia was evident, possibly resulting from interruption of the interconnections among basal ganglia, thalamus, subthalamus, midbrain and cerebellum. PMID- 29213485 TI - Wernicke's encephalopathy with chorea: Neuroimaging findings. AB - We present a case report of motor and cognitive disorders in a 36-year-old woman with a history of twelve years of heavy alcohol abuse. The patient presented depressive symptoms over the course of one year after a loss in the family, evolving with ataxia, bradykinesia and choreiform movements. Progressive cognitive decline, sleep alterations and myalgia were also reported during the course of disease evolution. Physical examination revealed spastic paraparesis with fixed flexion of the hips and knees with important pain upon extension of these joints. Initial investigation suggested the diagnosis of thiamine deficiency by brain magnetic resonance imaging (MRI). PMID- 29213486 TI - Editorial: In the March 2017 issue. PMID- 29213487 TI - Traumatic brain injury: An EEG point of view. AB - Traumatic brain injury (TBI) is a silent epidemic. Mild traumatic brain injury (mTBI) causes brain injury that results in electrophysiologic abnormalities visible on electroencephalography (EEG) recordings. The purpose of this brief review was to discuss the importance of EEG findings in traumatic brain injury. Relevant articles published during the 1996-2016 period were retrieved from Medline (PubMed). The keywords were in English and included "traumatic brain injury", "EEG" and "quantitative EEG". We found 460 articles, analyzed 52 and selected 13 articles. EEG after TBI shows slowing of the posterior dominant rhythm and increased diffuse theta slowing, which may revert to normal within hours or may clear more slowly over many weeks. There are no clear EEG or quantitative EEG (qEEG) features unique to mild traumatic brain injury. Although the literature indicates the promise of qEEG in reaching a diagnosis and indicating prognosis of mTBI, further study is needed to corroborate and refine these methods. PMID- 29213488 TI - Scoring systems for the Clock Drawing Test: A historical review. AB - The Clock Drawing Test (CDT) is a simple neuropsychological screening instrument that is well accepted by patients and has solid psychometric properties. Several different CDT scoring methods have been developed, but no consensus has been reached regarding which scoring method is the most accurate. This article reviews the literature on these scoring systems and the changes they have undergone over the years. Historically, different types of scoring systems emerged. Initially, the focus was on screening for dementia, and the methods were both quantitative and semi-quantitative. Later, the need for an early diagnosis called for a scoring system that can detect subtle errors, especially those related to executive function. Therefore, qualitative analyses began to be used for both differential and early diagnoses of dementia. A widely used qualitative method was proposed by Rouleau et al. (1992). Tracing the historical path of these scoring methods is important for developing additional scoring systems and furthering dementia prevention research. PMID- 29213489 TI - In search of the moral-psychological and neuroevolutionary basis of political partisanship. AB - In many countries, a radical political divide brings several socially relevant decisions to a standstill. Could cognitive, affective and social (CAS) neuroscience help better understand these questions? The present article reviews the moral-psychological and neuroevolutionary basis of the political partisanship divide. A non-systematic literature review and a conceptual analysis were conducted. Three main points are identified and discussed: 1) Political partisan behavior rests upon deep moral emotions. It is automatically processed and impervious to contradiction. The moral motifs characterizing political partisanship are epigenetically set across different cultures;2) partisanship is linked to personality traits, whose neural foundations are associated with moral feelings and judgement;3) Self-deception is a major characteristic of political partisanship that probably evolved as an evolutionary adaptive strategy to deal with the intragroup-extragroup dynamics of human evolution. CAS neuroscience evidence may not resolve the political divide, but can contribute to a better understanding of its biological foundations. PMID- 29213490 TI - Neuropathological findings in entorhinal cortex of subjects aged 50 years or older and their correlation with dementia in a sample from Southern Brazil. AB - Introduction: The aims of this study were to survey neurodegenerative changes detected by abnormal protein deposits in the Entorhinal Cortex (EC) of subjects aged 50 years or older and to correlate these findings with suspected dementia, as detected by the IQCODE (Informant Questionnaire on Cognitive Decline in the Elderly). Methods: Fourteen brains were submitted to the immunohistochemistry technique for different proteins (beta-amyloid, tau, alpha-synuclein and phospho TDP-43) and data obtained compared with IQCODE scores. Results: Fifty-seven percent of the individuals exhibited IQCODE results compatible with dementia, being classified into the demented group (DG): 87.5% of patients had neuropathological findings corresponding to Alzheimer's-like brain pathology (ALBP). Of the patients in the non-demented group (NDG), 16.7% met neuropathological criteria for ALBP. All individuals in the DG showed deposits of more than one kind of protein in the EC. The most common association was hyperphosphorylated tau and beta-amyloid protein (87.5%). Discussion: Most individuals with dementia had neuropathological findings of ALBP, as did one individual with no signs of dementia, characterizing a preclinical stage. The results of this study suggest that deposits of a single type of anomalous protein are normal findings in an aging brain, while more than one kind of protein or the combined presence of anomalous protein deposits indicate the presence of dementia. PMID- 29213491 TI - Prevalence of functional cognitive impairment and associated factors in Brazilian community-dwelling older adults. AB - : The identification of the prevalence of cognitive impairment and associated factors among older adults is important in countries facing rapid demographic transition, given the significant implications for public policy and health planning. Objective: To determine the prevalence of functional cognitive impairment (FCI) and associated factors in Brazilian community-dwelling older adults. Methods: A cross-sectional study involving 461 elderly subjects residing in Fortaleza city, Ceara was conducted. Cognitive assessment was performed using three tests: the MMSE (Mini-Mental State Examination), VF (Verbal Fluency) and CT (Clock Test). The functional capacity evaluation was based on a survey of 21 basic and instrumental activities of daily living (ADLs). Cognitive impairment was defined by MMSE cut-off points adjusted for literacy. Functional impairment was defined as dependency to carry out more than four ADLs. Results: The prevalence of FCI was 13.64% (95% CI: 10.33 to 16.64%). FCI was proportionally associated with age with OR=2.24 (95% CI: 1.04 to 4.79) for individuals aged 70 to 79 years and OR=8.27 (95 % CI: 4.27 to 16.4) for those aged 80 to 100 years. FCI was associated with self-reported diseases including hypertension OR=2.06 (95% CI: 1.17 to 3.65), stroke OR=2.88 (95% CI: 1.66 to 5.00) and acute myocardial infarction OR=2.94 (95% CI: 1.59 to 5.42). The occurrence of FCI was proportionally correlated with the number of drugs used. Conclusion: Functional cognitive impairment is a prevalent condition in Brazilian community-dwelling older adults and its occurrence is associated with age, number of drugs used, and vascular morbidities. PMID- 29213492 TI - Bells Test: Are there differences in performance between adult groups aged 40-59 and 60-75? AB - Objective: To verify whether differences exist between groups of Brazilian adults aged 40-59 and 60-75 in respective performance on the Bells Test, given the dearth of literature investigating the relationship between focused visual attention and the age factor. Methods: Eighty-four neurologically healthy adults (half aged 40-59 and half 60-75) with high educational level (40-59 years group: M=17.75 years' education; SD=4.00; 60-75 years group: M=15.85 years education; SD=3.19) were assessed using the Bells Test. Data on accuracy and processing speed were compared between groups by ANCOVA, controlled for the covariates education and frequency of reading and writing habits. Results: There were no significant differences between the age groups. Conclusion: It is suggested that aging influences sustained and focused attention and speed processing after 75 years of age on visual cancellation paradigms, when executive and attentional changes tend to be more marked. Further studies should investigate healthy older and oldest-old adults, as well as groups with low and intermediate educational backgrounds. In addition, Brazilian clinical populations should also be characterized, particularly those with neurological disorders that might have visual hemineglect. PMID- 29213493 TI - Normative data for the Brief Cognitive Screening Battery stratified by age and education. AB - Introduction: Diagnosing neurocognitive disorders is challenging in low-educated individuals. Objective: To report normative data for the Brief Cognitive Screening Battery (BCSB) and to assess the association of age and education with performance on the BCSB in 240 community-dwelling elderly from Ermelino Matarazzo, Sao Paulo city. Methods: The inclusion criteria were scoring above the education-adjusted cut-off points on the Mini-Mental State Examination (MMSE) and below six points on the Geriatric Depression Scale (GDS). Results: Age was associated with performance on the Naming, Incidental Memory, Verbal Fluency, Clock Drawing Test, Delayed Recall and Recognition subtests. Education was associated with performance on Naming, Recognition, Verbal Fluency and the Clock Drawing Test. Conclusion: The normative values reported are relevant for diagnosing neurocognitive disorders in low-educated elderly. PMID- 29213494 TI - Performance on cognitive tests, instrumental activities of daily living and depressive symptoms of a community-based sample of elderly adults in Rio de Janeiro, Brazil. AB - Objective: To describe the performance on basic cognitive tasks, instrumental activities of daily living, and depressive symptoms of a community-based sample of elderly adults in Rio de Janeiro (Brazil) who participated in multiple physical, social, and cognitive activities at government-run community centers. Methods: A total of 264 educated older adults (> 60 years of age of both genders) were evaluated by the Brief Cognitive Screening Battery (BCSB), Lawton's and Pfeffer's activities of daily living indexes, and the Geriatric Depressive Scale (GDS). Results: The mean age of the sample was 75.7 years. The participants had a mean of 9.3 years of formal education. With the exception of the Clock Drawing Test (CDT), mean scores on the cognitive tests were consistent with the values in the literature. Only 6.4% of the sample had some kind of dependence for activities of daily living. The results of the Geriatric Depression Scale (GDS 15) indicated mild symptoms of depression in 16.8% of the sample. Conclusion: This study provided important demographic, cognitive, and functional characteristics of a specific community-based sample of elderly adults in Rio de Janeiro, Brazil. PMID- 29213495 TI - Impact of sociodemographic variables on executive functions. AB - : Executive functions (EFs) regulate human behavior and allow individuals to interact and act in the world. EFs are sensitive to sociodemographic variables such as age, which promotes their decline, and to others that can exert a neuroprotective effect. Objective: To assess the predictive role of education, occupation and family income on decline in executive functions among a sample with a wide age range. Methods: A total of 925 participants aged 18-89 years with 1-28 years' education were submitted to assessment of executive functions using the Card Sorting Test (CST), Phonemic Verbal Fluency (FAS) Task and Semantic Verbal Fluency (SVF) Task. Data on income, occupation and educational level were collected for the sample. The data were analyzed using Linear Regression, as well as Pearson's and Spearman's Correlation. Results: Age showed a significant negative correlation (p<0.001) with performance on the CST, FAS and SVF, whereas education, income and occupation were positively associated (p<0.001) with the tasks applied. After application of the multivariate linear regression model, a significant positive relationship with the FAS was maintained only for education (p<0.001) and income (p<0.001). The negative relationship of age (p<0.001) and positive relationship of both education (p<0.001) and income (p<0.001and p=0.003) were evident on the CST and SVF. Conclusion: Educational level and income positively influenced participants' results on executive function tests, attenuating expected decline for age. However, no relationship was found between occupation and the cognitive variables investigated. PMID- 29213496 TI - Effects of a cognitive training program and sleep hygiene for executive functions and sleep quality in healthy elderly. AB - Introduction: The aging process causes changes in the sleep-wake cycle and cognition, especially executive functions. Interventions are required to minimize the impact of the losses caused by the aging process. Objective: To evaluate the effects of a cognitive training program and psychoeducation on sleep hygiene techniques for executive functions and sleep quality in healthy elderly. Methods: The participants were 41 healthy elderly randomized into four groups ([CG] control group, cognitive training group [CTG], sleep hygiene group [SHG] and cognitive training and hygiene group [THG]). The study was conducted in three stages:1st - assessment of cognition and sleep;2nd - specific intervention for each group;3rd - post-intervention assessment. Results: The results showed that the CTG had significant improvements in cognitive flexibility tasks, planning, verbal fluency and episodic memory, gains in sleep quality and decreased excessive daytime sleepiness. The SHG also had improved sleep quality, excessive daytime sleepiness and significant improvements in insights, planning, attention and episodic memory. The THG had significant gains in cognitive flexibility, problem solving, verbal fluency, attention and episodic memory. Conclusion: Cognitive training and sleep hygiene interventions were useful strategies for improving cognitive performance and sleep quality of healthy elderly, but there was no evidence that sessions combining cognitive training and psychoeducation on sleep hygiene enhanced the gains provided by these interventions applied individually. PMID- 29213497 TI - Development and content validity of the CENA Program for Educational Training on the Neuropsychology of Learning, with an emphasis on executive functions and attention. AB - Introduction: The importance of executive functions (EF) in childhood development, and their role as indicators of health, well-being, professional and academic success have been demonstrated by several studies in the literature. FE are cognitive processes that aim to control and manage behavior to achieve specific goal and included skills planning, inhibition, cognitive flexibility, (executive) attention and the central executive component of working memory (WM). In the context of education, the EF are crucial for continued learning and efficient academic performance due to their involvement in several components of the educational process. Objective: The aim of this article was to describe the development and content validity of the CENA Program for Educational Training on the Neuropsychology of Learning, with an emphasis on executive functions and attention. Methods: The study involved seven specialists (four responsible for evaluating the program, and three involved in brainstorming), and was carried out in three stages:Background research: neuropsychology and education;Program development - author brainstorming andEvaluation by expert judges The goals, language and methods. Results: CENA Program were considered adequate, attesting to its content validity as a school-based neuropsychological intervention. Conclusion: Teacher training in school neuropsychology may be an important area for future investment and contribute to academic achievement and student development in the Brazilian education system. PMID- 29213499 TI - An interdisciplinary approach aiding the diagnosis of primary progressive aphasia: A case report. AB - Frontotemporal dementia (FTD) is one of the most common causes of early-onset dementia with primary progressive aphasia (PPA) being the second-most-frequent form of this degenerative disease. Despite the similarity with progressive dementia (especially in early stages of Alzheimer's disease), three types of PPA can be differentiated: semantic, agrammatic and logopenic (subtype discussed in this study). To date, no medications have been shown to improve or stabilize cognitive deficits in patients with PPA. We report the case of a 62-year-old woman with difficulty naming objects and planning. An interdisciplinary evaluation, including imaging and lab exams, together with neuropsychological and personality assessments, confirmed that the patient had logopenic PPA on the basis of repetition difficulty, phonemic and semantic paraphasias and absence of agrammatism. The timing of the assessment in this case, along with the resources available and commitment of an integrated interdisciplinary team, allowed a differential diagnosis (from other classical dementias) to be reached. PMID- 29213500 TI - Editorial: In the June 2017 issue. PMID- 29213498 TI - Program of neuropsychological stimulation of cognition in students: Emphasis on executive functions - development and evidence of content validity. AB - Objective: The goal of this study was to describe the construction process and content validity evidence of an early and preventive intervention program for stimulating executive functions (EF) in Elementary School children within the school environment. Methods: The process has followed the recommended steps for creating neuropsychological instruments: internal phase of program organization, with literature search and analyses of available materials in the classroom; program construction; analysis by expert judges; data integration and program finalization. To determine the level of agreement among the judges, a Content Validity Index (CVI) was calculated. Results: Content validity was evidenced by the agreement among the experts with regards to the program, both in general and for each activity. All steps taken were deemed necessary because they contributed to the identification of positive aspects and possible flaws in the process. Conclusion: The steps also helped to adapt stimuli and improve program tasks and activities. Methodological procedures implemented in this study can be adopted by other researchers to create or adapt neuropsychological stimulation and rehabilitation programs. Furthermore, the methodological approach allows the reader to understand, in detail, the technical and scientific rigor adopted in devising this program. PMID- 29213502 TI - Effect of educational status on performance of older adults in digital cognitive tasks: A systematic review. AB - : As people age, cognitive abilities may decline resulting in serious disabilities. Neuropsychological instruments can provide information on the cognitive state of older adults. Researchers worldwide have been using digital cognitive tests to assess cognitive domains. Objective: To determine whether educational status affects the performance of older adults on digital cognitive tasks. Methods: A systematic review of articles in English, Portuguese, or Spanish published in the last 5 years was conducted. The databases searched were SCOPUS, PubMed, Lilacs, Scielo and PsychInfo. The PRISMA method was used. Results: A total of 7,089 articles were initially retrieved. After search and exclusion with justification, seven articles were selected for further review. Conclusion: The findings revealed that researchers using digital tasks generally employed paper-based tests to compare results. Also, no association between years of education and test performance was found. Finally, a dearth of studies using digital tests published by Brazilian researchers was evident. PMID- 29213501 TI - Type 2 diabetes mellitus in the pathophysiology of Alzheimer's disease. AB - Both Alzheimer's disease (AD) and type 2 diabetes mellitus (DM) are two common forms of disease worldwide and many studies indicate that people with diabetes, especially DM, are at higher risk of developing AD. AD is characterized by progressive cognitive decline and accumulation of beta-amyloid (Abeta) forming senile plaques. DM is a metabolic disorder characterized by hyperglycemia in the context of insulin resistance and relative lack of insulin. Both diseases also share common characteristics such as loss of cognitive function and inflammation. Inflammation resulting from Abeta further induces production of Abeta1-42 peptides. Inflammation due to overnutrition induces insulin resistance and consequently DM. Memory deficit and a decrease in GLUT4 and hippocampal insulin signaling have been observed in animal models of insulin resistance. The objective of this review was to show the shared characteristics of AD and DM. PMID- 29213503 TI - Cognitive assessment: A challenge for occupational therapists in Brazil. AB - : Cognitive impairment is a common dysfunction after neurological injury. Cognitive assessment tools can help the therapist understand how impairments are affecting functional status and quality of life. Objective: The aim of the study was to identify instruments for cognitive assessment that Occupational Therapists (OT) can use in clinical practice. Methods: The instruments published in English and Portuguese between 1999 and 2016 were systematically reviewed. Results: The search identified 17 specific instruments for OT not validated in Brazilian Portuguese, 10 non-specific instruments for OT not validated in Brazilian Portuguese, and 25 instruments validated for Portuguese, only one of which was specific for OT (Lowenstein Occupational Therapy Cognitive Assessment). Conclusion: There are few assessment cognitive tools validated for use in the Brazilian culture and language. The majority of the instruments appear not to be validated for use by OT in clinical practice. PMID- 29213504 TI - Utility of the Neuropsychiatric Inventory Questionnaire (NPI-Q) in the assessment of a sample of patients with Alzheimer's disease in Chile. AB - : The Neuropsychiatric Inventory Questionnaire (NPI-Q) is an informant-based instrument that measures the presence and severity of 12 Neuropsychiatric Symptoms (NPS) in patients with dementia, as well as informant distress. Objective: To measure the psychometric properties of the NPI-Q and the prevalence of NPS in patients with Alzheimer's disease (AD) in Chile. Methods: 53 patients with AD were assessed. Subjects were divided into two different groups: mild AD (n=26) and moderate AD (n=27). Convergent validity was estimated by correlating the outcomes of the NPI-Q with Neuropsychiatric Inventory (NPI) scores and with a global cognitive efficiency test (Addenbrooke's Cognitive Examination - Revised - ACE-R). Reliability of the NPI-Q was analysed by calculating its internal consistency. Prevalence of NPS was estimated with both the NPI and NPI-Q. Results: Positive and significant correlations were observed between the NPI-Q, the NPI, and the ACE-R (r=0.730; p<0.01 and 0.315; p<0.05 respectively). The instrument displayed an adequate level of reliability (Cronbach's alpha=0.783). The most prevalent NPS were apathy/indifference (62.3%) and dysphoria/depression (58.5%). Conclusion: The NPI-Q exhibited acceptable validity and reliability indicators for patients with AD in Chile, indicating that it is a suitable instrument for the routine assessment of NPS in clinical practice. PMID- 29213506 TI - Symptoms of depression in patients with mild cognitive impairment in Parkinson's disease. AB - Objective: To investigate the most frequent depressive symptoms and their association with cognition in Parkinson's disease (PD) patients with mild cognitive impairment (MCI). Methods: 48 patients with PD and 44 controls (CG), aged between 50 and 80 years and with at least 4 years of formal education, all with MCI and none diagnosed with depression, were assessed. Patients and controls were matched for age, education, and Mini-Mental State Examination (MMSE) score. Participants underwent clinical evaluation with a neurologist followed by neuropsychological assessment employing the instruments: MMSE, Clock Drawing Test, Verbal Fluency Test (semantic and phonemic), Figures Memory Test (FMT), Stroop Test, Trail Making Test, Digit Span (WAIS III), Rey Auditory Verbal Learning Test (RAVLT), Hooper Visual Organization Test, and Beck Depression Inventory (BDI). Results: The most frequent depressive symptoms in the PD group were: difficulty working, fatigue and sleep disorders (the latter also being present in CG). BDI score correlated negatively with learning and recognition memory in both groups. Episodic memory, evaluated by the FMT and RAVLT tests, was the cognitive function showing greatest impairment. Conclusion: Some of the depressive symptoms observed in PD patients with MCI seem to be attributable to complications of PD, while others are common to both PD and MCI, making differential diagnoses complex but crucial. PMID- 29213505 TI - Planning ability impairments in probable Alzheimer's disease patients: Evidence from the Tower of London test. AB - : Alzheimer's disease (AD) is associated with progressive impairment of higher level cognitive abilities. Previous research suggests that early impairment of executive functions occurs during the course of the disease, but few studies have specifically investigated planning ability in an AD population. Objective: The purpose of the current study was to examine whether AD patients retain the ability to plan ahead, by analyzing specificities of their behavior in successfully achieving a pre-established goal. Methods: Twenty-one AD patients and thirty-three elderly controls underwent a problem-solving assessment using the Tower of London (TOL) test. Results: AD patients were less accurate and less efficient than controls. AD patients also committed more mistakes. This indicates a decline in working memory and inhibitory deficits, resulting in impulsive and inappropriate behaviors. Conclusion: These results are in agreement with previous studies, showing executive function problems in patients with AD. Specifically, this study demonstrates the presence of planning ability deficits in AD, considering both qualitative and quantitative approaches. The wide range of analysis presented in this study can aid clinicians in identifying the nature of the poor performance of AD patients during a planning task. PMID- 29213508 TI - Cross-cultural adaptation of the "Australian National University Alzheimer's Disease Risk Index" for the Brazilian population. AB - : Alzheimer's disease (AD) represents a major public health problem and it is therefore crucial that modifiable risk factors be known prior to onset of dementia in late-life. The "Australian National University - Alzheimer's Disease Risk Index" (ANU-ADRI) is one of the potential tools for primary prevention of the disease. Objective: The aim of this study was to devise an adapted version of the ANU-ADRI for use in Brazil. Methods: The instrument was translated from its original language of English into Portuguese and then back-translated into English by bilingual translators. It was subsequently reviewed and evaluated as to the degree of translation issues and equivalence. In this study, the ANU-ADRI was applied using individual (face-to-face) interviews in a public hospital, unlike the original version which is applied online by self-report. The final version (pretest) was evaluated in a sample of 10 participants with a mean age of 60 years (+/-11.46) and mean education of 11 years (+/-6.32). Results: The intraclass correlation coefficient (ICC) (inter-rater) was 0.954 (P<0.001 for a confidence interval (CI) of 95%=[0.932; 0.969]). Cultural equivalence was performed without the need for a second instrument application step. Conclusion: After cross-cultural adaptation, the language of the resultant questionnaire was deemed easily understandable by the Brazilian population. PMID- 29213507 TI - Sundown syndrome and symptoms of anxiety and depression in hospitalized elderly. AB - : Sundown syndrome is characterized by the sudden appearance of neuropsychiatric symptoms such as agitation, confusion and anxiety in a chronologic fashion, usually during late afternoon or early evening. Objective: To evaluate the prevalence of sundown syndrome in university hospital wards and its relationship with anxiety/depression symptoms, cognitive decline, and clinical and demographic variables. Methods: We evaluated 70 patients admitted to the Lauro Wanderley University Hospital (HULW), Joao Pessoa-PB, Brazil. Data collection instruments were the Confusion Assessment Method (CAM), the Mini-Mental State Exam (MMSE) and the Hospital Anxiety and Depression Scale (HADS). Results: Mean patient age was 68.4+/-6.4 years, 55.7% were male, 67.1% were illiterate or had incomplete primary education. It was observed that 14.3% of patients had delirium, 15.7% had cognitive deficits, while 21.4% and 18.6% had anxious and depressive symptoms, respectively. The age of patients with delirium (71.9+/-8.7) was significantly higher than those without (67.8+/-5.8). At 95% confidence, there was a significant difference in the groups with and without delirium for the MMSE and HADS-D scales. Conclusion: We verified the occurrence of delirium compatible with the sundown syndrome and associated with depressive symptoms and cognitive deficit, with no apparent relationship with infectious processes or fever, number of drugs used, hospital stay or anxious symptomatology. PMID- 29213509 TI - Comparative analysis of the electroencephalogram in patients with Alzheimer's disease, diffuse axonal injury patients and healthy controls using LORETA analysis. AB - : Alzheimer's disease (AD) is a dementia that affects a large contingent of the elderly population characterized by the presence of neurofibrillary tangles and senile plaques. Traumatic brain injury (TBI) is a non-degenerative injury caused by an external mechanical force. One of the main causes of TBI is diffuse axonal injury (DAI), promoted by acceleration-deceleration mechanisms. Objective: To understand the electroencephalographic differences in functional mechanisms between AD and DAI groups. Methods: The study included 20 subjects with AD, 19 with DAI and 17 healthy adults submitted to high resolution EEG with 128 channels. Cortical sources of EEG rhythms were estimated by exact low-resolution electromagnetic tomography (eLORETA) analysis. Results: The eLORETA analysis showed that, in comparison to the control (CTL) group, the AD group had increased theta activity in the parietal and frontal lobes and decreased alpha 2 activity in the parietal, frontal, limbic and occipital lobes. In comparison to the CTL group, the DAI group had increased theta activity in the limbic, occipital sublobar and temporal areas. Conclusion: The results suggest that individuals with AD and DAI have impairment of electrical activity in areas important for memory and learning. PMID- 29213510 TI - Actively station: Effects on global cognition of mature adults and healthy elderly program using eletronic games. AB - : Studies show that aging is accompanied by decline in cognitive functions but also indicate that interventions, such as training on electronic games, can enhance performance and promote maintenance of cognitive abilities in healthy older adults. Objective: To investigate the effects of an electronic game program, called Actively Station, on the performance of global cognition of adults aged over 50 years. Methods: 124 mature and elderly adults enrolled in the "Actively Station" cognitive stimulation program of Sao Caetano do Sul City, in the State of Sao Paulo, participated in training for learning of electronic games. Participants were divided into two groups: training group (TG) n=102 and control group (CG) n=22. Protocol: a sociodemographic questionnaire, the Mini Mental State Examination (MMSE), the Addenbrooke's Cognitive Examination Revised (ACE-R), the Memory Complaint Questionnaire (MAC-Q), the scale of frequency of forgetfulness, the Geriatric Depression Scale (GDS-15), the Geriatric Anxiety Inventory (GAI), the Global Satisfaction with Life Scale, and two scales on learning in the training. Results: The cognitive performance of the TG improved significantly after the program, particularly in the domains of language and memory, and there was a decrease on the anxiety index and frequency of memory complaints, when compared to the CG. Conclusion: These findings suggest that the acquisition of new knowledge and the use of new stimuli, such as electronic games, can promote improvements in cognition and mood and reduce the frequency of memory complaints. PMID- 29213511 TI - Lewy and his inclusion bodies: Discovery and rejection. AB - Fritz Jacob Heinrich Lewy described the pathology of Paralysis agitans [Parkinson disease] and was the first to identify eosinophilic inclusion bodies in neurons of certain brain nuclei, later known as Lewy bodies, the pathological signature of the Lewy body diseases. In 1912, he published his seminal study, followed soon after by an update paper, and 10 years later, in 1923, by his voluminous book, where he exhaustively described the subject. The publication provided extensive information on the pathology of Paralysis agitans, and the entirely novel finding of eosinophilic inclusion bodies, which would become widely recognized and debated in the future. His discovery was acknowledged by important researchers who even named the structure after him. However, after his last publication on the issue, inexplicably, he never mentioned his histopathological discovery again. Despite several hypotheses, the reasons that led him to neglect (reject) the structure which he so preeminently described have remained elusive. PMID- 29213512 TI - Transient Gerstmann syndrome as manifestation of stroke: Case report and brief literature review. AB - Gerstmann Syndrome (GS) is a rare neurological condition described as a group of cognitive changes corresponding to a tetrad of symptoms comprising agraphia, acalculia, right-left disorientation and finger agnosia. It is known that some specific brain lesions may lead to such findings, particularly when there is impairment of the angular gyrus and adjacent structures. In addition, the possibility of disconnection syndrome should be considered in some cases. The purpose of this article is to report a case of a young, cardiac patient, non adherent to treatment, who presented with a stroke in which transient clinical symptoms were compatible with the tetrad of GS. The case report is followed by a discussion and brief review of the relevant literature. PMID- 29213513 TI - Prolonged delirium misdiagnosed as a mood disorder. AB - Delirium can be conceptualized as an acute decline in cognitive function that typically lasts from hours to a few days. Prolonged delirium can also affect patients with multiple predisposing and/or precipitating factors. In clinical practice, prolonged delirium is often unrecognized, and can be misdiagnosed as other psychiatric disorders. We describe a case of a 59-year-old male presenting with behavioral and cognitive symptoms that was first misdiagnosed as a mood disorder in a general hospital setting. After prolonged delirium due to multiple factors was confirmed, the patient was treated accordingly with symptomatic management. He evolved with progressive improvement of his clinical status. Early diagnosis and management of prolonged delirium are important to improve patient prognosis and avoid iatrogenic measures. PMID- 29213514 TI - Catatonia, beyond a psychiatric syndrome. AB - Although catatonia is a well-known psychiatric syndrome, there are many possible systemic and neurological etiologies. The aim of this case report was to present a case of a patient with cerebral venous sinus thrombosis and infarction in which catatonia was the clinical manifestation of a possible nonconvulsive status epilepticus. To our knowledge, only one such case has been reported in the literature, which had a simplified diagnostic investigation. It is important to correctly recognize the organic cause underlying catatonia in order to treat the patient as soon as possible thereby improving outcome. Therefore, physicians need to update their knowledge on catatonia, recognizing that it can be part of a psychiatric or neurologic condition. PMID- 29213515 TI - Rehabilitation in severe memory deficit: A case study. AB - The term amnesia refers to a pathological state of mind in which memory and learning are affected to a greater extent than other cognitive functions in a patient without altered level of consciousness. The aim of the current study was to describe a case of severe amnesia in a patient during neurological rehabilitation and to report the importance of preserved cognitive functions to compensate for the mnemonic deficit. VJA presented a clinical condition suggestive of encephalopathy due to caloric-protein malnutrition following several abdominal surgical procedures for complicated choledocholithiasis. A descriptive analysis of the results was carried out to outline the goals attained and the factors limiting implementation of memory aids. After the intervention program, consisting of individual and group activities, VJA showed improvement in level of recall with repetition of tasks, but still required constant external monitoring. Longitudinal follow-up is necessary to obtain more consistent results. PMID- 29213516 TI - In the September 2017 issue. PMID- 29213517 TI - Soccer (Football Association) and chronic traumatic encephalopathy: A short review and recommendation. AB - Chronic traumatic encephalopathy (CTE) was initially described in boxers, but in recent years it has been reported in other settings, particularly in contact sports and military personnel. Soccer (football association) had previously been (and still is) considered relatively safe when compared to other sports, such as American football. However, a few cases of professional soccer players with CTE have been reported in the last few years. It is still unknown how frequent this condition is in soccer players, and the role played by heading the ball remains elusive. Other traumas to the head, face and neck caused by contact with another player's head, arm or other body parts are among the most frequent in soccer. In spite of the lack of more in-depth knowledge, there is reasonable evidence for recommending severe punishment (red card and suspension for several matches) for players causing avoidable trauma to another player's head. PMID- 29213518 TI - Cognitive impairment of patients with chronic renal disease on hemodialysis and its relationship with sociodemographic and clinical characteristics. AB - : Cognitive impairment and dementia commonly occur in individuals with chronic kidney disease, especially in advanced stages, but are still poorly diagnosed. OBJECTIVE: To evaluate the cognitive ability of patients with chronic kidney disease on hemodialysis and its relationship with sociodemographic and clinical characteristics. METHODS: A cross-sectional study was carried out in a Renal Replacement Therapy Unit in the interior of the State of Sao Paulo involving 99 patients. The data were collected through an individual interview, using the Sociodemographic and Clinical Characterization questionnaires and the Addenbrooke's Cognitive Examination - Revised (ACE-R) questionnaire. RESULTS: Participants were predominantly male, with a mean age of 54.68 years. The mean ACE-R score was 64.26 points, and 76.76% of patients had lower-than-expected scores, suggesting the presence of cognitive impairment. A moderate, negative correlation was found between total score on the ACE-R and age (r= -0.38, p<=0.001), a moderate positive correlation with years of education (r=0.52, p<=0.001), and a weak positive correlation of total score with hemodialysis time (r=0.26, p<=0.001). CONCLUSION: A relationship was found between cognitive ability and age, years of education and hemodialysis time, suggesting that individuals who were older, had less education and longer hemodialysis time presented greater cognitive impairment. PMID- 29213519 TI - Language and communication non-pharmacological interventions in patients with Alzheimer's disease: a systematic review. Communication intervention in Alzheimer. AB - : Alzheimer's disease considerably compromises communication skills. Language changes become more prominent as the disease progresses. Deterioration of language and cognition reduces the ability of holding conversations, which has a negative impact on social interaction. OBJECTIVE: To conduct a systematic review of the literature for articles reporting interventions focused on the language and communication of people with Alzheimer's disease (AD) without use of medication. METHODS: We performed a search using the keywords Alzheimer's disease, language, communication, cognition, cognitive intervention, rehabilitation and therapy, and their corresponding Portuguese and Spanish terms, on the SciELO, LILACS, PubMed and PsychINFO databases. We analyzed intervention studies published from 1993 to 2016 that involved stimulation of language skills and/or communication with pre-and post-intervention quantitative results, and whose samples included at least 50% with a diagnosis of probable AD. Studies were analyzed and classified into four levels of evidence, according to the criteria described in the literature. RESULTS: Twenty-eight articles were included. The majority of the designs had medium-to-low scientific evidence. Most interventions showed benefits for at least one language or communicative skill. Eight types of interventions emerged from the analysis of the studies. Further research with higher levels of evidence is recommended in the investigation of interventions focused on language and communication skills of patients with dementia. CONCLUSION: Studies with high levels of evidence on the topic investigated are only being conducted on a small scale. Two intervention techniques seem potentially effective: lexical-semantic approaches and interventions that work with different cognitive skills (including language). PMID- 29213520 TI - Brazilian transcultural adaptation of an instrument on communicative strategies of caregivers of elderly with dementia. AB - : Communication with patients with dementia may be a difficult task for caregivers. OBJECTIVE: The aim of this study was to produce a Brazilian transcultural adaptation of an instrument developed in Canada, called the Small Communication Strategies Scale, composed of 10 items constructed from 10 communicative strategies most recurrent in a literature survey. METHODS: Drawing on understanding of the construction of the Small Communication Strategies Scale (SCSS), a Brazilian Portuguese version of the instrument was devised through the following steps: translation, back-translation and semantic-cultural adaptation by a specialized linguist in English-Portuguese translations and application of the comprehension test for the version produced in a group of caregivers of elderly individuals with dementia. RESULTS: The transcultural equivalence process was performed and two items of the SCSS needed adapting to the Brazilian context. After changes suggested by a specialized linguist, the final version was applied to 34 caregivers and the transcultural equivalence considered satisfactory. CONCLUSION: The Brazilian version of the instrument was successfully transculturally adapted for future validation and application in Brazil. PMID- 29213521 TI - Distinct Phospho-TDP-43 brain distribution in two cases of FTD, one associated with ALS. AB - INTRODUCTION: TDP-43 is an intranuclear protein involved in many cellular processes. When altered, it shows a change in pattern of distribution, as well as in functioning, throughout the Central Nervous System structures. Frontotemporal Lobar Degeneration (FTLD) and Amyotrophic Lateral Sclerosis (ALS) are examples of TDP-43 proteinopathy. These disorders form a clinical spectrum, with some patients having a pure cognitive disorder while others also exhibit motor features. METHODS: We studied two donated brains from patients with a diagnosis of Frontotemporal Dementia (FTD), one of which was associated with ALS (ALS-FTD). After fixation and macroscopic examinations, sample analyses were performed. Specific regions were chosen for the application of immunohistochemistry (IHC) with anti-Abeta, AT8, anti-alpha-synuclein and anti-phospho-TDP-43. RESULTS: Both brains presented anti-phospho-TDP-43 positivity, but this was not equally distributed throughout the encephalic zones. In the FTD case, the studied brain presented phosphorylated TDP-43- in the frontal cortex, hippocampus, entorhinal cortex and mesencephalon; in the ALS-FTD case, the abnormal protein was also seen in the pons and medulla oblongata. The brain in the ALS-FTD case presented Abeta and AT8 positivity in the hippocampus and entorhinal cortex (Braak I and II). DISCUSSION: The hypothesis supported by scientific literature that these neurodegenerative diseases can have the same etiology with distinct encephalic region involvement is corroborated by the present study. PMID- 29213522 TI - Memory specificity training can improve working and prospective memory in amnestic mild cognitive impairment. AB - : Amnestic Mild Cognitive Impairment (MCI) is one of the cognitive profiles of aging. OBJECTIVE: In this study, Memory Specificity Training (MEST) was used as cognitive training in patients with amnestic MCI to understand the effectiveness of the intervention on memory dimensions. METHODS: Twenty patients that met the criteria for amnestic MCI were selected and randomly assigned to experimental (n=10) or control (n=10) groups. The experimental group received five sessions of training on memory specificity while the participants in the control group took part in two general placebo sessions. Participants were assessed before, immediately after, and three months after, the treatment using the Autobiographical Memory Test, the Prospective and Retrospective Memory Questionnaire, the Wechsler Memory Scale, and the Hospital Anxiety and Depression Scale. Analysis of variance was used to analyze the data. RESULTS: Results from both post-test and follow-up treatment indicated that MEST improves working and prospective memory (p<0.05). CONCLUSION: These findings support the effectiveness of MEST for MCI patients as a viable cognitive intervention. Also, the findings have implications for the role of brain plasticity in the effectiveness of this intervention. PMID- 29213523 TI - Mild cognitive impairment (MCI) and dementia in a sample of adults in the city of Bogota. AB - : The low prevalence of dementia described in communities is likely due to the low sensitivity of screening tests and an absence of evaluation by specialists. OBJECTIVE: To estimate the prevalence of mild cognitive impairment (MCI) and dementia in adults older than 50 years. METHODS: A two-phase, cross-sectional study was conducted by specialists to evaluate cognition and associated demographic risk factors in 1,235 independent community-dwelling adults from Bogota. In Phase I, screening was performed using the MMSE and MoCA tests. In Phase II, after application of a comprehensive neuropsychological battery with neurologic and psychiatric evaluations, a cognitive diagnosis was established by consensus. RESULTS: The prevalence found for MCI was 34% and for dementia was 23%. MCI was associated with incomplete high school, OR=1.74 (95%CI=1.23-2.45), and with an age of 70-79 years, OR=1.93 (95%CI=1.47-2.53). A total of 73% of MCI cases were amnestic. Dementia was associated with incomplete primary education, OR=8.98 (95%CI=5.56-14.54), complete primary education, OR=6.23 (95%CI=3.70 10.47), and age older than eighty years, OR=3.49 (95%CI=2.23-5.44). CONCLUSION: The prevalence of dementia found was greater than the rates reported in previous studies. Low educational level was the main risk factor for cognitive impairment and should be considered in strategic planning for the local health system. PMID- 29213524 TI - Delirium in the elderly: A systematic review of pharmacological and non pharmacological treatments. AB - : Delirium is a common disorder associated with poor prognosis, especially in the elderly. The impact of different treatment approaches for delirium on morbimortality and long-term welfare is not completely understood. OBJECTIVE: To determine the efficacy of pharmacological and non-pharmacological treatments in elderly patients with delirium. METHODS: This systematic review compared pharmacological and non-pharmacological treatments in patients over 60 years old with delirium. Databases used were: MEDLINE (PubMed), EMBASE, Cochrane CENTRAL and LILACS from inception to January 6th, 2016. RESULTS: A total of ten articles were selected. The six non-pharmacological intervention studies showed no impact on duration of delirium, mortality or institutionalization, but a decrease in severity of delirium and improvement in medium-term cognitive function were observed. The most commonly used interventions were temporal-spatial orientation, orientation to self and others, early mobilization and sleep hygiene. The four studies with pharmacological interventions found that rivastigmine reduced the duration of delirium, improved cognitive function and reduced caregiver burden; olanzapine and haloperidol decreased the severity of delirium; droperidol reduced length of hospitalization and improved delirium remission rate. CONCLUSION: Although the pharmacological approach has been used in the treatment of delirium among elderly, there have been few studies assessing its efficacy, involving a small number of patients. However, the improvements in delirium duration and severity suggest these drugs are effective in treating the condition. Once delirium has developed, non-pharmacological treatment seems less effective in controlling symptoms, and there is a lack of studies describing different non pharmacological interventions. PMID- 29213525 TI - Motor learning characterization in people with autism spectrum disorder: A systematic review. AB - : Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder primarily characterized by deficits in social interaction, communication and implicit skill learning. OBJECTIVE: To analyse the results of research on "motor learning" and the means used for measuring "autistic disorder". METHODS: A systematic literature search was done using Medline/PubMed, Web of Science, BVS (virtual health library), and PsycINFO. We included articles that contained the keywords "autism" and "motor learning". The variables considered were the methodological aspects; results presented, and the methodological quality of the studies. RESULTS: A total of 42 studies were identified; 33 articles were excluded because they did not meet the inclusion criteria. Data were extracted from nine eligible studies and summarized. CONCLUSION: We concluded that although individuals with ASD showed performance difficulties in different memory and motor learning tasks, acquisition of skills still takes place in this population; however, this skill acquisition is related to heterogeneous events, occurring without the awareness of the individual. PMID- 29213526 TI - Mini-mental state exam for children (MMC) in children with hemiplegic cerebral palsy. AB - : Cognitive impairment is frequent in cerebral palsy (CP) and there is a lack of multiprofessional screening instruments. OBJECTIVE: The aim of this study was to investigate the utility of the Mini-Mental State Examination for Children (MMC), an adapted version of the Mini-Mental State Examination, in screening for cognitive impairments in children with CP. METHODS: We assessed 397 Brazilian children, 310 with typical development and 87 with CP (hemiplegic and quadriplegic forms), aged 5-16 years. Association between the MMC and general intelligence was assessed by the Colored Progressive Matrices instrument. RESULTS: Psychometric indexes for the MMC were adequate. ROC analyses revealed effective diagnostic accuracy in all ages assessed. Cut-off values are reported. Major difficulties on the MMC were observed in children with CP, particularly individuals with the quadriplegic form. Moreover, the MMC showed moderate correlation with the intelligence test, and was reliable in discriminating, among clinical cases, those with poorer cognitive abilities. CONCLUSION: The MMC could be useful as a multiprofessional screening instrument for cognitive impairment in children with hemiplegic CP. Results of the MMC in quadriplegic CP children should be interpreted with caution. Diagnosis should be confirmed by further psychological testing. PMID- 29213527 TI - High education accelerates cognitive decline in dementia: A brief report from the population-based NEDICES cohort. AB - : High education has been associated with faster cognitive decline after diagnosis of Alzheimer's disease (AD), but it is unclear whether these findings extend to other dementia subtypes. OBJECTIVE: We investigated whether educational attainment influences the cognitive trajectories of older adults with different dementia subtypes. METHODS: All participants were selected from NEDICES, a prospective population-based cohort study of Spanish older adults. A total sample of 53 individuals with dementia completed the MMSE-37 at Times 1 and 2 (mean follow-up=2.8+/-0.5 years) to assess cognitive decline. RESULTS: At follow-up, MMSE-37 scores had decreased by 3.34+/-4.98 points in low-educated individuals with dementia versus 7.90+/-4.88 points in high-educated subjects (effect size (r)=0.32, p=0.02). CONCLUSION: Educational level influenced the cognitive trajectories of patients with dementia assessed by the MMSE-37. PMID- 29213528 TI - Francisco de Castro: Localizationism, intelligence and the frontal lobe. AB - This article addresses the largely unknown legacy of Francisco de Castro regarding the neurological sciences. His essay "Psychogenic Cortical Centers", written in 1881 for his admission to the Imperial Academy of Medicine in Rio de Janeiro, is a refined appreciation of the theory of localized cortical functions that was in evidence in Europe in the second half of the nineteenth century. PMID- 29213529 TI - Therapeutic effect of transcranial direct current stimulation on neuropsychological symptoms of an elderly patient: A case report. AB - Although growing evidence points to the potential therapeutic effects of transcranial Direct Current Stimulation (tDCS), there is still no consensus on the most appropriate protocol to be used in specific neurological and neuropsychological symptoms. This case report evaluated the neuromodulatory therapeutic effects of two 15-day courses of tDCS on an elderly female patient, aged 78 years with mild neurocognitive disorder, chronic pain and depression related symptoms. Results indicated an overall significant improvement of cognitive and executive functions, as well as reduction in both depression and chronic pain symptoms. These results highlight the potential of tDCS as a safe and useful neuromodulatory clinical tool in the rehabilitation of elderly patients. PMID- 29213531 TI - Dementia & Neuropsychologia: one year on. PMID- 29213530 TI - Disease awareness may increase risk of suicide in young onset dementia: A case report. AB - Studies report that people with young onset Alzheimer's disease (YOAD) have higher levels of disease awareness compared to those with late onset AD. We report a case of a man with YOAD who had preserved awareness of disease, depression and risk of suicide associated with the development of the dementia. Cognitive functioning, disease severity, depressive symptoms and awareness of disease were assessed using validated measures. The person with YOAD showed a moderate level of disease severity and high degree of dependence for activities of daily living. There was recognition of memory problems and routine changes with presence of intense pessimism, low self-esteem and suicidal ideation. This case points to the existence of specific issues related to young onset dementia and the clinical importance of identifying and treating patients who might be aware of their condition. PMID- 29213533 TI - qEEG spectral peak in Alzheimer's disease: A possible tool for treatment follow up. AB - : qEEG spectral analysis has been considered highly sensitive to cortical functional changes and agrees strongly with the clinical diagnosis of AD. The sensitivity of spectral analysis has ranged from 71% to 81% in several studies.1 3. Objective: The aim of this study was to retrospectively evaluate whether alpha qEEG spectral peak can supplement clinical examination by constituting an independent tool to monitor treatment and follow-up of dementia progression in Alzheimer's disease (AD). In addition, we examined the demographic data and alpha power spectra distribution of patients and elderly normal controls. Methods: qEEGs were selected from 2 groups of patients: normal controls (n=30), and patients who fulfilled criteria for mild probable AD diagnosis (n=41). The alpha qEEG spectral analysis and MMSE were performed once or twice a year. Results: In our groups, MMSE scores and qEEG alpha spectral peak were unchanged (no statistical differences) after anticholinesterase use where qEEG spectral peak was never lower than 8 Hz in the control group. Conclusion: This study supports two important concepts. First, 8 Hz alpha appears to be the lowest awake spectral peak compatible with normality. And finally, in a clinical context, qEEG is a valuable diagnostic tool that could prove useful for Dementia follow-up. PMID- 29213532 TI - Peripheral biomarkers of oxidative stress in aging and Alzheimer's disease. AB - Aging is associated with a greatly increased incidence of a number of neurodegenerative disorders, including Alzheimer's disease (AD), Parkinson's disease (PD) and amyotrophic lateral sclerosis (ALS). These conditions are associated with chronic inflammation, which generates oxygen reactive species, ultimately responsible for a process known as oxidative stress. It is well established that this process is the culprit of neurodegeneration, and there are also mounting evidences that it is not restricted to the central nervous system. Indeed, several studies, including some by our group, have demonstrated that increased peripheral oxidative stress markers are associated to aging and, more specifically, to AD. Therefore, it is very instigating to regard aging and AD as systemic conditions that might be determined by studying peripheral markers of oxidative stress. PMID- 29213534 TI - A new Brief computerized cognitive screening battery (CompCogs) for early diagnosis of Alzheimer's disease. AB - : Screening tests for early diagnosis of dementia are of great clinical relevance. The ideal test set must be brief and reliable, and should probe cognitive components impaired in Alzheimer's disease (AD). Objectives: To develop a new Computerized Cognitive Screening test (CompCogs), and to investigate its validity for the early diagnosis of AD, and evaluate its heuristic value in understanding the processing of information in AD. Methods: The computerized neuropsychological performance battery, originally including six tests, was applied in forty seven patients with probable mild AD and 97 controls matched for age and education. This computerized neuropsychological test battery, developed with MEL Professional, allows control of timing and order of stimuli presentation, as well as recording of response type and latency. A brief screening version, CompCogs, was selected using the most discriminative neuropsychological test variables derived from logistic regression analysis. Full battery administration lasted about 40 minutes, while the CompCogs took only 15 minutes. Results: CompCogs included the Face test (correct response) and Word and Forms with Short term memory tests (reaction time). CompCogs presented 91.8% sensitivity and 93.6% specificity for the diagnosis of AD using ROC analyses of AD diagnosis probability derived by logistic regression. Conclusions: CompCogs showed high validity for AD early diagnosis and, therefore, may be a useful alternative screening instrument. PMID- 29213535 TI - Standardization of the normative group for the third version of the test of visual attention - TAVIS. AB - : Despite the importance of objective measures of attention to clinical practice, there is a paucity of Brazilian standardized tests. Objective: The aim of the present study was the standardization of a normative group for the third version of a computerized test of visual attention (TAVIS-3), developed to evaluate children and adolescents in the 6 to 17 years age range. Methods: 631 students from 3 schools in Rio de Janeiro city were assessed with TAVIS-3, administered by experienced psychologists, following parents' authorization. Results: The normative groups were determined considering performance of different age groups: from 6 to 10 years (with scores for 5 different ages); from 11 to 12 and from 13 to 17 years. Three tasks (focused, shifted and sustained attention) were standardized for each age group. Conclusion: The standardization of a normative group for TAVIS-3 discriminated performance ranges for distinct age groups, allowing its use as a neuropsychological assessment of attention. PMID- 29213536 TI - Planning abilities of children aged 4 years and 9 months to 8 1/2 years: Effects of age, fluid intelligence and school type on performance in the Tower of London test. AB - : The present study investigated the relationship between age and one type of environmental factor, namely, type of school (i.e., private vs. public), and the development of mental planning ability, as measured by the Tower of London (TOL) test. Methods: Participants comprised 197 public and 174 private school students, ranging in age from 4 years and 9 months to 8 years and 6 months. Besides the TOL test, students were administered Raven's Colored Matrices. Results: Results confirmed the findings of previous studies that both age and school type are important predictors of mental planning. Furthermore, results also suggest that the relationship between type of school and mental planning ability cannot be accounted for by differences in students' fluid intelligence. Conclusion: In the present study, the TOL test continued to differentiate public from private school students, even after we controlled for the effect of differences on the Raven test. PMID- 29213537 TI - Functional communication ability in frontotemporal lobar degeneration and Alzheimer's disease. AB - : Functional communication is crucial for independent and efficient communicative behavior in response to every day activities. In the course of dementia progression, cognitive losses may impair these abilities. For this reason, functional communication assessment should be part of a formal assessment to quantify and qualify the impact of deficiency on patients' lives. Objective: To compare functional communication abilities in fronto-temporal lobar degeneration (FLTD) and Alzheimer's disease (AD). Methods: Six AD patients (mean age: 82.50+/ 2.66 years; mean education: 5.67+/-3.61 years), and eight FTLD patients (mean age: 57.13+/-9.63 years; mean education: 10.86+/-6.91 years) had their close relatives answer the Functional Assessment of Communication Skills for Adults (Asha-facs) . Statistical analyses correlated the performance on each of the Asha facs domains (social communication, communication of basic needs; reading, writing, number concept and daily planning) between both groups. Results: Analyses showed that functional communication was similar for AD and FTLD patients. Only two items had statistical difference, namely 'Comprehension of inference' (AD 6.7+/-1.33; FTLD 2.43+/-2.30, p=0.017) and 'capacity to make basic money transactions' (AD 2.17+/-2.04; FTLD 4.00+/-0.90, p=0.044). Comparison among the four domains' mean scores revealed no significant difference. Conclusion: The Asha-facs is a useful instrument to characterize functional communication abilities in both FTLD and AD. Nevertheless, the analysis presented for this sample showed that the Asha-facs could not discriminate which aspects of the FTLD and AD differed. PMID- 29213538 TI - Hippocampal atrophy and verbal episodic memory performance in amnestic mild cognitive impairment and mild Alzheimer's disease: A preliminary study. AB - : To evaluate hippocampal volume in patients with AD and aMCI, and correlate its atrophy with verbal episodic memory performance. Methods: We studied 42 individuals older than 50 years, including 14 with amnestic mild cognitive impairment (aMCI), 14 with mild Alzheimer's disease (AD) and 14 normal controls. All individuals were submitted to the Rey auditory verbal learning test (RAVLT) to evaluate episodic memory. They were also submitted to the forward (FDS) and backward digit span (BDS) subtest of WAIS-R to evaluate working memory and attention, and to the Mini Mental State Examination (MMSE). Hippocampal volumetric measurements were performed according to anatomic guidelines from a standard protocol using high-resolution T1-inversion recovery 3-mm coronal MRI slices. Hippocampal volumes (HV) were corrected for the variation in total intracranial volume. There was no significant difference between the three groups concerning age and education. Results: On RAVLT, there was a continuum between the three groups, with AD recalling less words, controls more, and aMCI subjects showing an intermediate performance on all sub-items. We found an asymmetry between HVs, with smaller mean left HV for all groups. ANOVA and post hoc Tukey's test for comparisons of HV showed a significant difference among groups, with difference between controls and both AD and aMCI, although there was no significant difference between AD and aMCI groups. Conclusions: There was a significant correlation between hippocampal volumes and scores on RAVLT, confirming that medial temporal structures are closely associated with memory performance in normal ageing as well as in aMCI and AD. PMID- 29213539 TI - Subjective memory complaints and cognitive performance in a sample of healthy elderly. AB - : Memory loss is a major complaint among the elderly population. However, the clinical significance of this symptom is variable and also controversial in the scientific literature. Objective: To compare the cognitive performance of two groups of healthy elderly, one group with and the other without, subjective memory complaints (SMC). Methods: Sixty cognitively intact elderly individuals (39 females and 21 males), aged 69.9+/-6.3 years and with educational level of 8.5+/-5.5 years, were included in the study. Participants were submitted to the Mini-Mental State Examination and to the Cornell depression scale in order to rule out global cognitive impairment and depression, respectively. Moreover, they answered the MAC-Q, a questionnaire devised to evaluate subjective impression of memory function. Subsequently, they were submitted to the digit span forward and backward, the Brief Cognitive Screening Battery, and to the Frontal Assessment Battery. Results: Twenty-seven individuals had MAC-Q scores <25 and thus were classified as not having SMC, while 33 had MAC-Q scores >=25 and were considered to have SMC. No differences for age, gender, education and MMSE scores were found between the two groups. The comparison between the performance of the groups of complainers and non-complainers on the different cognitive tests yielded no significant difference, although there was a trend toward non-complainers performing better on incidental memory. Conclusions: The presence of SMC was not associated to objective memory impairment or to other cognitive deficits in this group of elderly individuals. PMID- 29213540 TI - Cognitive complaints compared to performance on a mental state screening test in elderly outpatients. AB - : Memory and other cognitive complaints are common in the elderly population. However, the clinical meaning of these complaints remains controversial. Objectives: The goal of this study was to investigate the association between cognitive complaints and performance on a mental state screening test in elderly patients attended for the first time at the Neurogeriatric and Dementia (NGA) Outpatient Clinic within a major University hospital. Methods: Two hundred patients referred to the NGA Clinic during 2005, 2006 and 2007 first semesters participated in the study. The variables of interest were:(a) source of and reason for referral;(b) whether or not they had previously been evaluated with the screening test (Mini Mental State Exam - MMSE) by their physicians before referral to our specialized clinic;(c) cognitive complaints; and(d) performance on the screening test (MMSE) at the NGA Clinic. Results: The main reason for referral to the NGA clinic was cognitive complaints 63% (N=126), where only 5% (N=10) of the referred patients had been previously evaluated by the cognitive screening test (MMSE or equivalent). Of the 135 patients who presented cognitive complaints during the first appointment, 52 (38%) presented MMSE scores below the education-adjusted cut-off. No association between cognitive complaint and performance on the MMSE during the first evaluation at the NGA Clinic was observed (chi2=3.04, p=0.1). Conclusions: Although cognitive complaints among elders should not be disregarded, the mental state screening evaluation is crucial for the detection of clinically significant cognitive impairment. PMID- 29213541 TI - Assessment of memory complainers in Sao Paulo, Brazil: Three-year results of a memory clinic. AB - : Memory clinics were established in the USA and European countries as services to attend patients who complain of cognitive deficits, referred by primary care doctors, specialists and other hospitals. Objective: We aimed to describe the clinical and cognitive profile of consecutively evaluated subjects during the initial three years of service of a memory clinic from a university hospital. Methods: Subjects were submitted to a clinical work-up for dementia, which included laboratory exams, cranial computerized tomography, cognitive tests, and a comprehensive neuropsychological battery. Diagnosis was made according to ICD 10 criteria. Results: We evaluated 104 subjects (67.3% females and 32.7% males), with mean age of 59.1 years, 88.8% aged 50 years or above. Mean schooling was 9.9 years. Patients were classified into 10 different primary diagnostic categories, namely Depression (26.9%), Alzheimer's disease (17.3%), Memory complaints without objective impairment (17.3%), Mild Cognitive Disorder - MCD (14.4%), and Anxiety (12.5%) the most frequent diagnosis. Comparing patients with dementia, MCD, Depression or Anxiety and Memory complainers, by age (below and above 60 years), dementia was more commonly diagnosed in older subjects, while a higher frequency of memory complainers was found in the younger group. Conclusions: This preliminary report from an outpatient group of referred patients with cognitive complaints showed a higher frequency of psychiatric disorders in this sample. The memory clinic approach should be considered as a model of service which can evaluate subjects with cognitive complaints effectively and improve the quality of care delivered to this patient group. PMID- 29213542 TI - Involution of categorical thinking processes in Alzheimer's disease: Preliminary results. AB - : Alzheimer's disease (AD) is a degenerative brain disorder characterized by progressive losses in cognitive functions, including memory. The sequence of these losses may correspond to the inverse order of the normal sequence of ontogenetic cognitive acquisitions, a process named retrogenesis. One of the acquisitions that improve in normal development is the ability to retrieve previously acquired categorical knowledge from semantic memory in order to guide associative thinking and memory processes; consequently, children become able to associate verbal stimuli in more complex taxonomic ways and to use this knowledge to improve their recall. Objective: In this study, we investigated if AD-related deterioration of semantic memory involves a decrease in categorical thinking processes with progression of the disease, according to the retrogenesis hypothesis. Methods: We compared the performance of AD patients at mild and moderate stages, and of groups of 7, 10 and 14-year-old children in tasks of free association along with recall tasks of perceptually and semantically related stimuli. Results: ANOVAS showed a decrease in taxonomic associations and an increase in diffuse associations between mild and moderate stages, corresponding to the inverse order shown by the child groups. At the moderate AD stage, the pattern was similar to that of 7-year-old children. Both groups of patients performed worse than child groups in recall tasks. Conclusions: These results corroborate the hypothesis of an involution of the processes of categorical associative thinking in the course of the disease. PMID- 29213543 TI - Professionally successful adults with attention-deficit/hyperactivity disorder (ADHD): Compensation strategies and subjective effects of pharmacological treatment. AB - : Although as a group, adult patients with ADHD have difficulties in social functioning due to inattention and executive dysfunction, some strive and succeed in living a productive, independent life. Purpose: To report on professionally successful adults with ADHD and analyze their main symptoms, compensation strategies and the subjective effect of methylphenidate on their functioning. Methods: The main symptoms of five patients with ADHD who are University educated and financially independent are reported. These patients were selected from a personally followed cohort of adults with ADHD. All were diagnosed according to DSM-IV adapted criteria (K-SADS E, version 6.0) and completed the Portuguese translated version of the ADHD adult self-reporting scale (ASRS). Results: Main reported symptoms included difficulties with attention, tendency to procrastinate and to 'shuffle' priorities, excessive daytime somnolence, memory difficulties and impulsiveness. Compensation strategies revolve around conscious, 'energy demanding' and time consuming efforts to control and circumvent symptomatic behavioral tendencies. They feel methylphenidate helps by alleviating the need to constantly apply compensation strategies for socially disabling symptoms. In sum, they achieve the same results in a more natural, less effortful fashion. Conclusions: Adults with ADHD may succeed professionally despite significant symptoms of inattention and executive dysfunction. They do so by appropriately using effortful strategies of compensation, the need for which is alleviated by the use of methylphenidate. These subjective reports require confirmation in prospective studies on larger series of patients. PMID- 29213544 TI - Clozapine for severe ("kraepelinian") schizophrenia: Sustained improvement over 5 years. AB - : Clozapine has become a keystone in the treatment of schizophrenia because of its efficacy as an antipsychotic with negligible neuroleptic effects. The long term stability of its effects, however, is poorly understood, because most studies have probed the usefulness of clozapine over a period of weeks to several months at the most. Knowing whether clozapine's benefits are sustained over the very long-term, i.e., more than 5 years, may be critical for cost-benefit analyses. Objective: To report the results of an open study on the efficacy of clozapine over the very long-term. Methods: Thirty-three adults (26 men) with severe (kraepelinian) schizophrenia were assessed at regular intervals using a brief neuropsychiatric battery over a 5-year period. Results: A significant improvement was observed between the pre-clozapine and the first "on-clozapine" evaluation. This improvement was paralleled by a remarkable conversion of schizophrenia from "active" (mostly paranoid) into "residual" in 70% of all patients. Eight patients became functionally productive to the point of being capable of living an independent life. Roughly one-third of our cases showed no improvement. Conclusions: Clozapine is a safe and effective drug for patients with severe schizophrenia who have failed to improve on other antipsychotic drugs. Clozapine's maximal benefit is established by the end of the first year of treatment and continues unabated for many years thereafter. Clozapine-resistant patients remain a major challenge calling for the discovery of new treatments for schizophrenia. PMID- 29213546 TI - Competition for clinical cases in Alzheimer's disease (CCCAD) - Janssen-Cilag. PMID- 29213545 TI - Dysexecutive mild cognitive impairment associated to frontal atrophy: Case report. AB - Non-amnestic mild cognitive impairment (MCI) evolving to neurodegenerative diseases other than Alzheimer's disease (AD) is rarely well documented. We report a case of a 49 year-old woman who presented a slowly progressive attentional/dysexecutive syndrome sparing other cognitive domains and without significant impairment of daily life activities. Her mother had Parkinsonism and her brother, a psychotic syndrome. Brain CT/MRI showed frontal atrophy while brain SPECT showed moderate cortical hypoperfusion, mainly in the frontal lobes. Our case is an example of non-memory MCI whose neuropsychological data and brain imaging indicating high likelihood of progression to a non-AD dementia. PMID- 29213547 TI - Trends of the journal: letters, reviews, abstracts, and manuscripts from abroad. PMID- 29213548 TI - Subcortical ischemic vascular disease and cognition: A systematic review. AB - : Subcortical Ischemic Vascular Disease (SIVD) is underdiagnosed. This review investigates the relationship among SIVD severity, cognitive status and neuroimaging markers. Methods: Cohort, cross-sectional and case control studies were searched on ISI, Medline, Scielo, PsychoInfo and LILACS databases published between 1995 and 2006. Results: The most impaired cognitive domains were executive, attentional and memory retrieval mechanisms. These cognitive features were frequently associated to White Matter Lesions (WML). Conclusions: WML is an independent factor in cognitive decline. However, the threshold for this impact is not yet clearly established. PMID- 29213549 TI - Neuropsychological alterations in mercury intoxication persist several years after exposure. AB - : Elemental mercury is a liquid toxic metal widely used in industry. Occupational exposure occurs mainly via inhalation. Previously, neuropsychological assessment detected deficits in former workers of a fluorescent lamp plant who had been exposed to elemental mercury vapor and were away from exposure for several years at the time of examination. Objectives: The purpose of this work was to reexamine these functions after 18 months in order to evaluate their progression. Methods: Thirteen participants completed tests of attention, inhibitory control, verbal/visual memory, psychomotor speed, verbal fluency, visuomotor ability, executive function, semantic knowledge, and depression and anxiety inventories on 2 separate occasions. Results: At baseline, the former workers indicated slower psychomotor and information processing speed, verbal spontaneous recall memory impairment, and increased depression and anxiety symptoms compared to controls (P<0.05). Paired comparisons of neuropsychological functioning within the exposed group at baseline and 1.5 years later showed poorer immediate memory performance (P<0.05). There were no differences on other measures. Conclusions: Although the literature show signs of recovery of functions, the neuropsychological effects related to mercury exposure are found to persist for many years. PMID- 29213550 TI - Dementia and functional decline in patients with Parkinson's disease. AB - : Functional decline in Parkinson's disease (PD), characterized by reduced ability to carry out activities of daily living, usually results from typical motor impairment and may be aggravated by concomitant cognitive impairment. Objective: To compare the functional decline in Parkinson's disease between patients with dementia and cognitively preserved patients. Methods: From an original sample composed of 50 patients with a clinical diagnosis of idiopathic PD seen in a consecutive series, 33 non-depressed patients were selected comprising 13 with dementia and 20 cognitively preserved individuals. All patients enrolled in this study were drawn from a public outpatient clinic, specialized in movement disorders. The clinical stage of PD was determined by the Hoehn & Yahr scale, and the functional capacity was verified using the Unified Parkinson's Disease Rating Scale UPDRS ADL (subscale II: activities of daily living) and the Schwab & England scale. The two last scales measure the functional degree of independence in activities of daily living. The neuropsychological assessment was performed using The Cambridge Examination for Mental Disorders of the Elderly - CAMCOG, Cognitive Section and the Stroop Color Word Test. Results: As expected, in comparison with cognitively preserved patients, the group with dementia presented significantly lower scores throughout the neuropsychological evaluation. The patients with dementia were found to have a longer period of disease, a more advanced clinical staging according to the Hoehn & Yahr, and greater functional decline according both to the UPDRS ADL and Schwab & England, with statistically significant difference between the groups. Conclusion: Patients with dementia were at a more advanced clinical stage of Parkinson's disease and evidenced greater functional decline in comparison with patients without dementia. PMID- 29213551 TI - The Cambridge Behavioural Inventory revised. AB - : Neurobehavioural and psychiatric symptoms are common in a range of neurodegenerative disorders with distinct profiles which are helpful in the diagnosis and monitoring of these disorders. The Cambridge Behavioural Inventory (CBI) has been shown to distinguish frontotemporal dementia (FTD), Alzheimer's disease (AD), Huntington's disease (HD) and Parkinson's disease (PD), but it is lengthy. Objective: To develop a shorter version of the 81 item CBI. Methods: CBI data from 450 participants with behavioural variant frontotemporal dementia (bv FTD) (64), AD (96), PD (215) and HD (75) were analysed using Principal Components Analysis and measures of internal consistency (Cronbach alpha). Results: A reduced 45-item questionnaire was developed. The instrument identified distinct behavioural profiles and performed as well as the original version. Conclusions: A shorter (45 item) version of the CBI is capable of differentiating bv-FTD and AD from PD and HD. It may be useful in delineating the type and extent of problems in these disorders as well as monitoring therapeutic interventions. PMID- 29213552 TI - Behavioral and activities of daily living inventories in the diagnosis of frontotemporal lobar degeneration and Alzheimer's disease. AB - : The differential diagnosis between frontotemporal lobar degeneration (FTLD) and Alzheimer's disease (AD) is often challenging. Objectives: To verify the usefulness of behavioral and activities of daily living inventories in the differential diagnosis between FTLD and AD. Methods: Caregivers of 12 patients with FTLD (nine with frontotemporal dementia, two with semantic dementia and one with progressive non-fluent aphasia) and of 12 patients with probable AD were interviewed. The Brazilian version of the Frontal Behavioral Inventory (FBI) and Disability Assessment for Dementia (DAD ) were used. Results: The mean of the MMSE score was 12.4+/-10.7for patients with FTLD and 11.9+/-6.2for patients with AD (p=0.93). Mean scores on the DAD were 33.7+/-27.7in patients with FTLD and 55.6+/-29.7in patients with AD (p=0.06), while for the FBI they were 42.6+/ 10.0for FTLD and 16.7+/-11.7for AD (p<0.01). Conclusions: In this study, FBI was found to be a helpful tool for the differential diagnosis between FTLD and AD. Although the DAD was not useful in differential diagnosis in our sample we believe it to be important for measuring the severity of the disease through quantitative and qualitative assessment of functional deficits of the patients. PMID- 29213553 TI - Influence of age, gender and educational level on performance in the Brief Cognitive Battery-Edu. AB - : The Brief Cognitive Battery-Edu (BCB-Edu) contains nine tests, seven of which are related to the memory of drawings, and has good accuracy in the diagnosis of cognitive impairment. Objectives: To evaluate the influence of age, gender and educational level on the performance in tests related to memory of drawings of the BCB-Edu in healthy subjects. Methods: Participants were adult volunteers; exclusion criteria were illiteracy, neurologic or psychiatric disorders, visual or hearing impairment, untreated chronic clinical conditions, alcoholism, use of drugs, and for those aged 65 or over, an informant report of cognitive or functional impairment. We evaluated 325 individuals (207 women), with a mean age of 47.1 (+/-16.8) years, ranging from 19 to 81, and a mean of 9.8 (+/-5.0) schooling-years. Univariate analyses, correlations and logistic regression were employed (alpha=0.05). Results: There were significant negative correlations between age and the scores in four of the seven tests. However, schooling-years were positively correlated to the scores, where schooling-years decreased with age in this sample (rho= -0.323; p<0.001). Logistic regression confirmed that gender influenced the learning of drawings, where women performed better, while age influenced incidental memory, immediate memory, learning and delayed recall of the drawings, and schooling-years influenced visual identification, immediate memory, learning, delayed recall and recognition of the drawings. Conclusion: Gender, age and education influence the performance on the memory of drawings of the BCB-Edu, although the extent of these influences differs according to the nature of the test. PMID- 29213554 TI - General psychiatric or depressive symptoms were not predictive for mortality in a healthy elderly cohort in Southern Brazil. AB - : General psychiatric symptoms may interfere with the ability of individuals to take care of their health, to get involved with activities and develop social abilities, thereby increasing risk of death. Objective: To evaluate general psychiatric symptoms as predictive factors for mortality in a community elderly cohort in Southern Brazil. Methods: 345 healthy elderly, aged .60 years, from the catchment area of Hospital de Clinicas de Porto Alegre were followed from 1996. Data for the present study were drawn from the period 1996-2004. General psychiatric symptoms (Self-Reporting Questionnaire . SRQ), depressive symptoms (Montgomery-Asberg depressive rating scale), and Mini Mental State Examination scores at baseline were included in the study. Socio-demographic, medical conditions, and functional capacity were also analyzed. The outcome was vital status at follow-up obtained from family members, hospital records and checked against official death registers. Results: Of the 345 baseline individuals, 246 were followed-up. The global mortality rate over the study period was 36.9% (N=90). Those who deceased during the period were older (73.5+/-7.5), more dependent overall, and more cognitively impaired than the living elderly (univariate analyses). In the logistic regression, only age (OR=0.93; p=0.003) and functional capacity (OR=0.22; p=0.007) remained significant in the final equation. Conclusion: Psychiatric symptoms presented no association with mortality in the present sample. Older age and functional incapacity were risk factors for mortality. PMID- 29213555 TI - Effect of schooling in auditory lexical decision. AB - : The task of lexical decision demands the functioning of the phonological loop to identify and discriminate strings of sounds and lexical knowledge to identify if this string can be taken as a real word or pseudo-word. Objective: To verify the effect of schooling on the performance of healthy elderly in lexical decision tasks, in the auditory modality. Methods: 23 Participants, aged sixty years or older were divided into two groups: 1-8 years and greater than 8 years of schooling. The PALPA lexical decision subtest containing words and pseudo-words was applied. Results: There was no significant difference between the groups in identifying words and pseudo-words. Errors in pseudo-words predominated in both groups. Total scoring of the groups differed with worse performance in the group with less schooling. There was a tendency toward statistically significant difference. The errors in words occurred predominantly in words of low imageability, especially in the lower educated group. In this group, there was a positive correlation between schooling and errors in pseudo-words. Conclusion: There was a mild effect of schooling in this task. Studies on lexical decision with larger samples could offer an important contribution for estimating pre morbid skills and contribute to understanding pathological conditions. PMID- 29213556 TI - Textual reading comprehension and naming in Alzheimer's disease patients. AB - : Among linguistic-cognitive failures, the retelling of stories and lexical disorders occur from the onset of AD. Recent studies have discussed whether lexical failures in AD patients include naming actions. Objectives: The aims of this study were to verify naming and reformulation of action difficulties in AD patients and their relationship with the retelling of stories. Our main questions were: Are there two linguistic abilities impaired in the early stages of AD? Is there some correlation between the capacity of naming actions and the retelling of stories? Methods: We assessed 28 elderly participants: 17 with probable AD and 11 control subjects, with schooling >=4 years. The textual reading comprehension was measured using four stories with descriptive and narrative textual structure. The lexical production was verified by 17 actions on video, assessed by the participants' first and second verbal emissions. Results: The results showed that the retelling of stories is a task that discriminates patients with AD from healthy individuals. The naming and reformulation of actions tasks did not show significant differences among the patients and their controls. A positive correlation was found between the difficulties in retelling stories and the reformulation of the naming of actions. Conclusions: These results confirm previous findings that show the preservation of naming actions in patients with AD, which involve familiar actions, and that the retelling of short stories is an instrument that discriminates patients with AD from healthy elders. Results also suggest that the difficulties in retelling are related a breakdown in reformulating information, perhaps stemming from mechanisms of decreased memory work. PMID- 29213557 TI - Cognitive rehabilitation of neuropsychological deficits and mild cognitive impairment: a review of the literature. AB - : Neuropsychological rehabilitation is related to the treatment or optimization of disabilities, handicaps and cognitive deficiencies including emotional, behavioral and personality alterations, aiming at the best cognitive, neurobiological and social re-adaptation. Objective: The main aim of this paper is to review scientific studies published over the last five years on cognitive training with rehabilitation, focusing on elderly subjects with cognitive complaints and patients diagnosed with MCI. Methods: Data were generated from Medline, PsychoInfo and EMBASE including publications from 2002 to 2007 using the search terms "Mild Cognitive Impairment", "Cognitive Complaints", "Rehabilitation" and "Intervention Studies". Data collection criteria were restricted to the quality of evidence Class I. Results: Eight articles out of sixty eight previously selected were chosen because of their randomized studies, including techniques of cognitive rehabilitation in patients with cognitive complaints, MCI and neuropsychological training. Conclusions: The studies showing generalization of rehabilitation techniques to practical real life situations and use of an errorless learning approach were considered more effective in terms of maintaining treatment follow up, although further studies are recommended. PMID- 29213559 TI - Cognitive deficits associated with optic aphasia: Neuropsychological contribution to a differential diagnosis. AB - Optic aphasia is characterized by a deficit in naming objects presented visually, as a result of left occipito-temporal lesion. It differs from other neuropsychological disorders due to the nature of the deficits and impairment of cognitive function. A 52 year-old patient, admitted after an episode of sub-acute infarction in the territory of the left posterior cerebral artery involving the temporo-occipital region, was submitted to neuropsychological evaluation as part of a diagnostic investigation and presented specific characteristics of this disorder, as well as impairment to episodic memory. The relevance of the present case is justified not only due to the rarity of the disorder, but also because it highlights the importance of differential diagnosis in the treatment of patients. PMID- 29213558 TI - Neuropsychological rehabilitation program and behavioral disturbances in early stage Alzheimer patients. AB - : Alzheimer's disease (AD) is the most frequent cause of dementia and cholinesterase inhibitors are the available treatment in the mild stage. However cognitive rehabilitation has shown satisfactory results when combined with pharmacological treatment. Behavioral alteration is common in AD patients, which burdens caregivers and raises the risk of institutionalization. Providing caregivers guidance may enable them to assure better quality of life for patient and caregiver and lower institutionalization rates. Objective: To evaluate the effects of a neuropsychological rehabilitation program (NRP) combined with pharmacological treatment in early stage AD patients. Methods: We studied 12 AD patients (6 women), average age 75.42 (6.22) with 9.58 (5.6) years education in use of stable doses of cholinesterase inhibitors. Cognitive performance was evaluated using Mini-Mental State Examination (MMSE) and Alzheimer's Disease Assessment Scale-cognitive (ADAS-Cog). Caregivers responded to Neuropsychiatric Inventory (NPI) and Functional Activities Questionnaire (FAQ) at initial evaluation (T1), and after 8 months of rehabilitation program (T2). The program comprised two sessions every week and family guidance every fortnight. Results: MMSE (T1:23.25 (1.82)/T2:23.42 (2.81); ADAS-Cog (T1:17.11 (6.73)/T2:21.2 (8.59); NPI (T1:23.42 (23.38)/T2:19.83 (17.73); FAQ (T1:10.67 (7.24)/T2: 13.92 (6.92). Conclusions: These results show the importance of providing guidance and support for caretakers. Study limitations were the small number of patients and absence of a control group with only drug treatment to compare with combined pharmacological and rehabilitation treatments. PMID- 29213561 TI - Perspectives of the journal. PMID- 29213560 TI - Compulsory notification of prion diseases in Brazil: What has changed since 2005? PMID- 29213562 TI - Cognitive Neurology and Ageing Scientic Department of the Brazilian Academy of Neurology. PMID- 29213563 TI - 2009 International Meeting of the International Psychogeriatric Association Third Congress of the Brazilian Association of Geriatric Neuropsychiatry. PMID- 29213565 TI - Selective vulnerability of von Economo neurons in frontotemporal dementia. PMID- 29213564 TI - A novel use for an old drug. PMID- 29213566 TI - Literacy as a determining factor for brain organization: from Lecours' contribution to the present day. AB - This review aimed to discuss the influence of literacy and formal education on human brain organization, based on evidence drawn from three sources: (1) results and limitations of a project coordinated by Andre Roch Lecours on the influence of illiteracy on brain organization and of studies on aphasia in illiterate populations;(2) data on the impact of schooling on the neuropsychological assessment of healthy and brain-damaged individuals, and(3) studies on the effect of schooling on dementia. These findings suggest that schooling and literacy processes influence cerebral organization of healthy individuals, as well as of brain-lesion individuals and those with dementia. Concerning illiteracy, the systematic pioneering studies developed by Lecours and the continuity of his investigations were essential to alert the scientific and clinical communities to take into account the role of educational experience on cognitive processing and its brain substrates. PMID- 29213567 TI - Contribution of education, occupation and cognitively stimulating activities to the formation of cognitive reserve. AB - The cognitive reserve (CR) concept posits that there is individual variability in processing task demands and coping with neurodegenerative diseases. This variability can be attributed to the protective effects derived from continuous cognitive stimulation throughout life, including formal education, engagement in cognitively stimulating activities and occupation. These can result in protection against age-related cognitive decline and reduce the risk of developing Alzheimer's disease. The aim of this review is to summarize the main features of CR formation and to discuss the challenges in carrying out CR research in developing countries. PMID- 29213569 TI - Public awareness of dementia: A study in Botucatu, a medium-sized city in the State of Sao Paulo, Brazil. AB - : Dementia is a progressive and debilitating disease affecting an increasing number of people worldwide. Despite its importance, only a few studies have examined public awareness of dementia. We present a study of the public awareness of dementia in Botucatu, Sao Paulo, Brazil. Methods: A sample of 73 individuals answered a questionnaire approved by the Medical Ethics Research Committee inquiring about the characteristics of healthy old-aged and demented individuals. Results: Those interviewed believed that dementia is characterized by prevalent memory impairment (41%) and behavioral changes (32.9%) with onset in the 60's or older (42.5%) and upon suspecting dementia, only a few would seek specialized medical help. Discussion: Better understanding of public awareness of dementia provides the clue to more effective health and social policies in order to achieve a higher rate of early diagnosis and thereby possibly decreasing patient, family and caregiver distress. PMID- 29213568 TI - Alzheimer disease neuropathology: understanding autonomic dysfunction. AB - : Alzheimer's disease is a widely studied disorder with research focusing on cognitive and functional impairments, behavioral and psychological symptoms, and on abnormal motor manifestations. Despite the importance of autonomic dysfunctions they have received less attention in systematic studies. The underlying neurodegenerative process of AD, mainly affecting cortical areas, has been studied for more than one century. However, autonomic-related structures have not been studied neuropathologically with the same intensity. The autonomic nervous system governs normal visceral functions, and its activity is expressed in relation to homeostatic needs of the organism's current physical and mental activities. The disease process leads to autonomic dysfunction or dysautonomy possibly linked to increased rates of morbidity and mortality. Objective: The aim of this review was to analyze the cortical, subcortical, and more caudal autonomic-related regions, and the specific neurodegenerative process in Alzheimer's disease that affects these structures. Methods: A search for papers addressing autonomic related-structures affected by Alzheimer's degeneration, and under normal condition was performed through MedLine, PsycInfo and Lilacs, on the bibliographical references of papers of interest, together with a manual search for classic studies in older journals and books, spanning over a century of publications. Results: The main central autonomic-related structures are described, including cortical areas, subcortical structures (amygdala, thalamus, hypothalamus, brainstem, cerebellum) and spinal cord. They constitute autonomic neural networks that underpin vital functions. These same structures, affected by specific Alzheimer's disease neurodegeneration, were also described in detail. The autonomic-related structures present variable neurodegenerative changes that develop progressively according to the degenerative stages described by Braak and Braak. Conclusion: The neural networks constituted by the central autonomic related structures, when damaged by progressive neurodegeneration, represent the neuropathological substrate of autonomic dysfunction. The presence of this dysfunction and its possible relationship with higher rates of morbidity, and perhaps of mortality, in affected subjects must be kept in mind when managing Alzheimer's patients. PMID- 29213570 TI - Detecting cognitive impairment in patients with Parkinson's disease with a brief cognitive screening tool: the Addenbrooke's Cognitive Examination (ACE). AB - : Detecting cognitive impairment in patients with Parkinson's disease is crucial for good clinical practice given the new therapeutic possibilities available. When full neuropsychological evaluations are not available, screening tools capable of detecting cognitive difficulties become crucial. Objective: The goal of this study was to investigate whether the Spanish version of the Addenbrooke's Cognitive Examination (ACE) is capable of detecting cognitive difficulties in patients with Parkinson's disease and discriminating their cognitive profile from patients with dementia. Methods: 77 early dementia patients (53 with Alzheimer's Disease and 24 with Frontotemporal Dementia), 22 patients with Parkinson's disease, and 53 healthy controls were evaluated with the ACE. Results: Parkinson's disease patients significantly differed from both healthy controls and dementia patients on ACE total score. Conclusions: This study shows that the Spanish version of the ACE is capable of detecting patients with cognitive impairment in Parkinson's disease and is able to differentiate them from patients with dementia based on their general cognitive status. PMID- 29213571 TI - Visuospatial cognitive tests for the evaluation of patients with Parkinson's disease. AB - : Parkinson's disease (PD) is a neurological disorder characterized by motor disturbances, neuropsychological symptoms and cognitive changes, including cases of dementia. The most frequently described cognitive changes in these patients involve executive and visuospatial functions, which are very important for the execution of daily life activities. Objective: To compare different tests used to examine visuospatial functions in patients with PD. Methods: Thirty-five patients (21 women) with PD symptoms (medicated and "on") and mean schooling of 5.5+/-4.2 years were examined using the following tests: Mini-Mental State Examination (MMSE), Dementia Rating Scale (DRS), Scales of Outcomes of Parkinson's Disease (SCOPA-COG), Hooper Visual Organization Test (HVOT), Judgment of Line Orientation, Form V (JLO), and Clock drawing task - CLOX (1 and 2). Results: The mean MMSE score was 24.8+/-3.03and 54.8% of the patients performed correctly in the copy of a pentagon drawing, with a medium-level performance in most tests. Good correlations were detected between JLO versus SCOPA Assembling patterns (0.67), JLO versus HVOT (0.56), JLO versus CLOX2 (0.64), SCOPA Figure Composition versus HVOT (0.54), CLOX1 versus CLOX2 (0.43), and DRS Construction versus CLOX2 (0.42). Discussion: Although correlations were detected, not all were strong, probably because the tests employed do not measure solely visuospatial functions, but also other skills such as attention, motor ability and executive functions. A limitation of the present study was the lack of a control group for the establishment of adequate standards for this population. PMID- 29213572 TI - Executive cognitive tests for the evaluation of patients with Parkinson's disease. AB - : Parkinson's disease (PD) is characterized by changes in movement, which are later followed by cognitive, behavioral and psychological changes. The objective of the present study was to correlate different tests used to examine executive functions in PD patients followed at a specialized outpatient clinic. Methods: Thirty-five patients with idiopathic PD aged 63.0 years on average and with mean schooling of 5.5+/-4.2 years, were examined using the following tests: Mattis Dementia Rating Scale (MDRS), Scales for Outcomes of Parkinson's Disease Cognition (SCOPA-COG), Wisconsin Card Sorting Test (WCST), Frontal Assessment Battery (FAB), Digit Span - Inverse Order (IO) (a subtest of the WAIS III) and Verbal Fluency Test (category animals). Results: Significant correlations were detected between FAB and MDRS Conceptualization (0.814), MDRS Initiation/Perseveration (I/P) and SCOPA-COG Executive Function (0.643), FAB and MDRS I/P (0.601), FAB and Verbal Fluency (0.602), MDRS I/P and MDRS Conceptualization (0.558), Verbal Fluency and MDRS I/P (0.529), MDRS Attention and SCOPA-COG Executive Function (0.495), MDRS Conceptualization and SCOPA-COG Executive Function (0.520), FAB and Digit Span (OI) (0.503), Verbal Fluency and MDRS Conceptualization (0.501), and WCST perseverative errors and FAB (-0.379), WCST perseverative errors and MDRS Conceptualization (0.445), WCST perseverative errors and MDRS I/P (-0.407) and WCST categories completed and MDRS Conceptualization (0.382). Discussion: The results demonstrated strong correlations between most of the tests applied, but no associations were detected between the WCST and the other tests, a fact that may be explained by the heterogeneity of scores obtained in the tests by the patients evaluated. A difficulty of the present study was the lack of a control groups for the establishment of adequate standards for this population. PMID- 29213573 TI - Association of caregiver demographic variables with neuropsychiatric symptoms in Alzheimer's disease patients for distress on the Neuropsychiatric Inventory (NPI). AB - : Behavioral symptoms are frequently observed in Alzheimer's disease patients and are associated to higher distress for patients and caregivers, early institutionalization, worst prognosis and increased care. Objectives: The objective of the present study was to evaluate the frequency of neuropsychiatric symptoms in a sample of Alzheimer's disease patients and to analyze association between caregiver demographic characteristics and patient symptoms. Methods: Sixty Alzheimer's disease patients (NINCDS-ADRDA) and their caregivers were consecutively included in the investigation by the Dementia Outpatient clinic of Hospital de Clinicas de Porto Alegre. The Neuropsychiatric Inventory (NPI) was applied to evaluate behavioral symptoms and their impact upon caregivers. Age, sex, educational attainment, relationship to the patient, and time as caregiver were obtained from all caregivers. Results: Apathy was the symptom responsible for the highest distress level, followed by agitation and aggression. A significant correlation between total severity NPI and distress NPI was observed. None of the caregiver demographic data showed association to distress. The most frequent symptoms were apathy and aberrant motor behavior. Patients' relatives also considered apathy as the most severe symptom, followed by depression and agitation. Conclusions: Apathy was the most frequent and severe neuropsychiatric symptom. No relationship between caregiver demographic characteristics and distress was observed. PMID- 29213574 TI - Subclinical naming errors in mild cognitive impairment: A semantic deficit? AB - : Mild cognitive impairment (MCI) is the transitional stage between normal aging and Alzheimer's disease (AD). Impairments in semantic memory have been demonstrated to be a critical factor in early AD. The Boston Naming Test (BNT) is a straightforward method of examining semantic or visuo-perceptual processing and therefore represents a potential diagnostic tool. The objective of this study was to examine naming ability and identify error types in patients with amnestic mild cognitive impairment (aMCI). Methods: Twenty aMCI patients, twenty AD patients and twenty-one normal controls, matched by age, sex and education level were evaluated. As part of a further neuropsychological evaluation, all subjects performed the BNT. A comprehensive classification of error types was devised in order to compare performance and ascertain semantic or perceptual origin of errors. Results: AD patients obtained significantly lower total scores on the BNT than aMCI patients and controls. aMCI patients did not obtain significant differences in total scores, but showed significantly higher semantic errors compared to controls. Conclusion: This study reveals that semantic processing is impaired during confrontation naming in aMCI. PMID- 29213575 TI - Neuropsychological differences between frontotemporal lobar degeneration and Alzheimer's disease. AB - : Memory impairment is the main clinical feature in Alzheimer disease (AD), whereas in frontotemporal lobar degeneration (FTLD) behavioral and language disorders predominate. Objectives: To investigate possible differences between the neuropsychological performance in FTLD and AD. Methods: Fifty-six AD patients (mean age=72.98+/-7.43; mean schooling=9.62+/-4.68; 35 women and 21 men), 17 FTLD patients (mean age=67.64+/-7.93; mean schooling=12.12+/-4.77; 9 women and 8 men), and 60 controls (mean age=68.90+/-7.48; mean schooling=10.72+/-4.74; 42 women and 18 men) were submitted to a Dementia Rating Scale (DRS) and a comprehensive neuropsychological evaluation composed of tasks assessing attention, visuoperceptual abilities, constructive abilities, executive functions, memory and language. Results: DRS total score and subscales were not able to differentiate FTLD from AD patients. However, FTLD and AD patients showed statistically significant differences in performance in tests of verbal (Logical Memory, Rey Auditory Verbal Learning Test) and visual (Visual Reproduction, recall of the Rey Complex Figure) episodic memory, verbal immediate memory (Logical Memory), attention with interference (Trail Making Test - Part B), verbal fluency (semantic and phonemic) and concept formation (WCST). Conclusion: Contrary to expectations, only a few tasks executive function tasks (Trail Making Test - Part B, F.A.S. and WCST) and two memory tests (verbal and visual episodic memory tests) were able to differentiate between FTLD and AD patients. PMID- 29213576 TI - Applicability of a cognitive questionnaire in the elderly and proxy. AB - : The Informant Questionnaire on Cognitive Decline in the Elderly with the Proxy (IQCODE) was developed as a screening tool for cognition alterations. Objectives: 1) To verify the applicability of IQCODE in the elderly with limited schooling,2) To verify the reliability of the responses supplied by the aged and their proxies. Methods: Individuals of a Community Group were evaluated using the Mini Mental State Examination (MMSE), IQCODE and Geriatric Depression Scale (GDS). The IQCODE was applied to informants and proxies. Results: We analyzed 44 individuals, aged between 58-82 years (M=66.8, SD=5.97) with mean elderly schooling level of 3.75, SD=2.82 and 44 proxies aged 44.5 (SD=13.3), with mean schooling level of 8.25 (SD=4.3). The mean GDS was 8.22, SD=4.90 and 13 participants presented a score suggestive of depressive symptoms. The mean elderly IQCODE score was 3.26, SD=0.69 and 3.21, SD=0.65, for proxy responses. There was no statistical difference between these means. On the MMSE, the mean score was 24.20, SD=4.14 and 18 participants presented scores below the cut-off. The IQCODE answers by the elderly in this latter group were more congruent with MMSE than the answers of proxies. Conclusions: The applicability of the IQCODE in a population with little schooling was verified in that the proxy-report was similar to the elderly report. We can affirm that the elderly answers were more accurate than the proxies, as they were closer to MMSE score. The inclusion of a greater number of participants from community-dwelling settings is necessary to confirm the results obtained in this study. PMID- 29213578 TI - Supplements, homepage, newsletter and mission of the journal. PMID- 29213577 TI - Effects of functional physical activity on the maintenance of motor function in Alzheimer's disease. AB - : It is widely known that older adults, even frail individuals, can improve their physical function using appropriately targeted exercise. Nevertheless, older adults with Alzheimer's disease (AD) have been excluded from the majority of studies on exercise. The functional-task physical activity program is based on activities of daily living, and may be suited for elderly people with AD because it focuses on the maintenance and stimulation of preserved abilities. In addition, session costs are substantially reduced by adopting a group approach. Furthermore, the group approach may improve the social interaction of the demented patient. Objectives: To determine whether a functional-task physical activity program in groups can maintain motor function in elderly with AD. Methods: 10 elderly diagnosed with mild or moderate AD were assigned into one of two groups: subjects with and without intervention. The intervention consisted of a 12-week function-task physical activity program in groups. Measurements: activities of daily living (Katz and Lawton & Brody questionnaires), mobility (Timed Up and Go Test, Timed Up and Go manual Test and Timed Up and Go Cognitive Test), cognition (Mini-Mental State Examination), behavioral disturbances (Neuropsychiatric Inventory I-brief) and functional balance (Berg Balance Scale). Results: A statistically significant difference between the two groups was found regarding the functional balance mean change measured by Berg scale score (p=0.046). A significant improvement of 1.60 points (95%CI[0.22;2.98]) was observed in the intervention group on this scale, while the non-intervention group showed -0.40 points (95%CI[-1.78;0.98], no change). Conclusions: It is possible to treat mild and moderate Alzheimer's patients using a group approach. The functional task physical activity program was efficient in functional balance improvement and also appeared to prevent mobility decline. PMID- 29213579 TI - Normal and abnormal aging in bilinguals. AB - : Bilinguals use two different language systems to mediate not only social communication, but also cognitive processes. Potential differences between bilinguals and monolinguals in task-solving strategies and patterns of cognitive decline during normal and abnormal aging have been suggested. Main contribution: A research review of the area suggests that normal aging is associated with increased interference between the two languages and tendency to retreat to a single language. General cognitive functioning has been found to be higher in demented bilingual patients if communication is carried out in L1 rather than in L2. Recent research has reported that bilingualism can have a protective effect during aging, attenuating the normal cognitive decline associated with aging, and delaying the onset of dementia. Conclusions: Regardless of the significant heterogeneity of bilingualism and the diversity of patterns in language use during life-span, current research suggests that bilingualism is associated with preserved cognitive test performance during aging, and potentially can have some protective effect in dementia. PMID- 29213580 TI - Event-related potentials and the study of memory retrieval: A critical review. AB - Memory retrieval has been extensively investigated by a variety of techniques and methodological approaches. The present article reports a critical review on the research investigating this subject by means of event-related potentials (ERP). The main goal is to elucidate the key contributions of this technique regarding episodic memory retrieval, as well as to perform a critical analysis taking into account its major advantages and limitations in the framework of current cognitive neuroscience. Considerations concerning its theoretical contributions and implementation in national universities are also discussed. PMID- 29213581 TI - Mild behavioral impairment: A prodromal stage of dementia. AB - Mild cognitive impairment (MCI) was defined by Petersen et al. (1999) as progressive memory loss, a prodrome of Alzheimer's disease. MCI is a well established entity that can be both a diagnosis in medical practice and a valid target of Alzheimer's prevention therapy. More recently MCI has expanded to include other cognitive domains with other potential causes: amnestic MCI, multiple domains MCI, and single domain non-amnestic MCI. Behavioral symptoms in MCI are associated with a higher risk of dementia, but their association with dementia risk in patients without MCI is unknown. The objective of our paper was to address the question of whether aging patients with behavioral symptoms with or without cognitive impairment represent a population at risk for dementia. Mild Behavioral Impairment (MBI) defines a late life syndrome with prominent psychiatric and related behavioral symptoms in the absence of major cognitive symptoms. MBI also appears to be a transitional state between normal aging and dementia. MBI may carry a higher risk for dementia than MCI. A subgroup of MBI patients is likely to exhibit symptoms of a frontotemporal dementia (FTD) prodrome. We proposed 4 subtypes of patients at risk for dementia: amnestic MCI (which is said to progress preferentially to Alzheimer's disease), multiple domain MCI (which may represent normal aging or may progress to vascular cognitive impairment or a neurodegenerative disorder), single domain non-amnestic MCI, and MBI (which may progress to frontotemporal dementia, Lewy Body dementia or Alzheimer's disease). We concluded that MBI is a counterpart of MCI as a transitional state between normal aging and dementia. These findings have implications for early detection, prevention, and treatment of patients with late life dementia. PMID- 29213582 TI - Dementia with Parkinson disease: Clinical diagnosis, neuropsychological aspects and treatment. AB - Dementia with Parkinson's disease represents a controversial issue in the complex group of alpha-synucleinopathies. The author acknowledges the concept of a "continuum" between Parkinson disease's (PD), Lewy body dementia (LBD), and dementia in Parkinson's disease (PDD). However, the practicing neurologist needs to identify the phenotypic signs of each dementia. The treatment and prognosis are different in spite of the overlaps between them. The main aim of this review was to characterize the clinical diagnoses of dementia associated with Parkinson's disease (PDD). Secondarily, the review discussed some epidemiological and neuropsychological issues. Selection of articles was not systematic and reflects the author's opinion, where the main text selected was the recommendations from the Movement Disorder Society Task Force for PDD diagnosis. The Pub Med, OVID, and Proquest data bases were used for the search. PMID- 29213583 TI - Diagnostic disclosure in Alzheimer's Disease: A review. AB - Although growing, the literature on research into attitudes of general and specialized physicians towards disclosing the diagnosis of dementia and Alzheimer's disease (AD), or the current practice on AD disclosure, remains limited. Moreover, information is also scarce on what caregivers, or indeed patients themselves, wish to know with regard to their diagnosis. The goal of the present article was to present a review of the current available literature on the topic of truth telling in dementia, especially in AD. The studies discussed in this review were mainly conducted in Europe, particularly in the United Kingdom, as well as the United States. Disclosure of AD diagnosis is not a common practice among physicians. In the clinical context, the discussion on diagnosis disclosure can be valuable for improving the care of AD patients and their families. PMID- 29213584 TI - Behavioral and psychological symptoms in dementia is not a unitary concept: A critical review with emphasis on Alzheimer's disease. AB - : Behavioral and Psychological Symptoms of Dementia (BPSD) is an important feature of dementia. However, this definition comprises a large array of symptoms and syndromes. This hampers understanding of the behavior of patients with dementia and the devising of strategies to ameliorate these symptoms. Objectives: This review aimed to describe the main factors and syndromes that comprise BPSD, as well as neuroimaging, psychopharmacological, and genetic data derived from studies of these factors. Methods: A search on the Medline, Scielo, and ISI databases was performed using the keyword BPSD for articles published within the last five years. Selected publications were favored, so this review should not be regarded as a systematic study on the subject. Results: The main factors and syndromes comprising BPSD were identified, namely psychosis, depression, and activity. Different ways of clustering symptoms were considered. The main manifestations of psychosis, apathy and depression were focused, relating phenomenology to neuroimaging and pharmacological issues. Conclusions: BPSD is a heterogeneous array of symptoms which can be better understood as clusters. At least three factors can be separated in BSPD, namely psychosis, depression, and activity. This division may offer guidance to clinicians regarding treatment management and follow up of the chosen therapeutic strategy. PMID- 29213585 TI - The corpus callosum in Binswanger's disease: A quantitative fractional anisotropy analysis. AB - : To study the integrity of the corpus callosum in Binswanger's disease (BD) patients using quantitative fractional anisotropy (DTI-FA). Methods: Controls (12) and patients with BD (12) were included. MR [GE Signa Horizon-1.5T] scans were performed. BD patients presented Fazekas's score=6 and leukoaraiosis extension =75%, as assessed on FLAIR sequence. Standard parameters for DTI-FA acquisition were used. Functool was employed for post-processing, and ROIs placed on the genu and splenium of the corpus callosum on one axial plane at the basal ganglia level. Statistics [ANOVA] for genu and splenium comparison were analyzed. Results: DTI-FA showed reduction of anisotropy in both regions of the corpus callosum, more prominently in anterior (genu) than posterior (splenium) in BD patients versus controls. Conclusion: The reduction of anisotropy reflects loss of integrity of fibers of the studied regions of the corpus callosum. This finding indicates an interruption of the most important inter-hemispheric commissure, and component of neural networks that underlies cognitive, behavioral, motor and sensory integration. The affected genu and splenium, together with damage to other fiber systems that connect the prefrontal and parietal-occipital regions, may manifest clinically as dysfunction of high-level integrative regions linked to the domains of executive and sensory functions, respectively, that can occur in Binswanger's disease. PMID- 29213586 TI - Subcortical atrophy in frontotemporal dementia and Alzheimer's disease: Significance for the differential diagnosis and correlations with clinical manifestations. AB - : Cerebral subcortical atrophy occurs in both Alzheimer's disease (AD) and frontotemporal dementia (FTD) but its significance for clinical manifestations and differential diagnosis between these common types of dementia has not been extensively investigated. Objectives: To compare the severity of cerebral subcortical atrophy in FTD and AD and to analyze the correlations between cerebral subcortical atrophy and demographics and clinical characteristics. Methods: Twenty three patients with FTD and 21 with AD formed the sample, which comprised 22 men and 22 women, aged 33 to 89, with mean age (+/-SD) of 68.52+/ 12.08 years, with schooling ranging from 1 to 20 years, with a mean (+/-SD) of 7.35+/-5.54 years, and disease duration with a mean (+/-SD) of 3.66+/-3.44 years. The degree of cerebral subcortical atrophy was measured indirectly with a linear measurement of subcortical atrophy, the Bifrontal Index (BFI), using magnetic resonance imaging. We evaluated cognition, activities of daily living and dementia severity with the Mini-Mental State Examination, Functional Activities Questionnaire and the Clinical Dementia Rating, respectively. Results: There was no significant difference (p>0.05) in BFI between FTD and AD. The severity of cognitive deficits (for both FTD and AD groups) and level of daily living activities (only for AD group) were correlated with BFI. Conclusions: A linear measurement of cerebral subcortical atrophy did not differentiate AD from FTD in this sample. Cognitive function (in both FTD and AD groups) and capacity for independent living (only in AD group) were inversely correlated with cerebral subcortical atrophy. PMID- 29213587 TI - Testosterone profile in older men with Alzheimer's disease. AB - : Evidence suggests low testosterone levels in Alzheimer's disease. Objectives: To compare testosterone levels between older men with and without Alzheimer's disease. Methods: Fourteen men with Alzheimer's disease were compared with twenty eight men without dementia. Demographic variables and clinical profiles were analyzed. Within fifteen days before or after the described evaluation, measures of total testosterone and Sex Hormone Binding Globulin (SHBG) were performed. Free testosterone level was calculated based on total testosterone and SHBG. Quantitative variables were analyzed using Student's t test or Kruskal-Wallis test, while qualitative variables were analyzed using chi-square or Fisher test. Results: Mean age in the Control and Alzheimer's disease groups were 72.0 (SD+/ 4.8) years and 79.3(SD+/-5.9) years, respectively (p=0.001). Mean schooling between these two groups were 8.78 and (+/-5.86) years, respectively (p=0.022). There were no statistically significant differences between the two groups for testosterone levels, although a trend was observed for the Alzheimer's disease group to present lower levels than the control group (p=0.066). There was no direct correlation between free testosterone and age, although a trend was evident (p=0.068). Conclusions: There was no significant difference in testosterone between men with AD and those without dementia. PMID- 29213588 TI - Comparison of the Mini Mental State Examination and depressive symptoms between high cardiovascular risk and healthy community elderly groups. AB - : The aging of the population is a universal phenomenon with direct consequences upon the public health system. One of the main repercussions of the growth in this sector of the population is the increased prevalence of disorders such as dementia and depression which are very frequent among the elderly. The relationship between cardiovascular risk factors, dementia and depression have been addressed in many recent investigations. Objectives: To evaluate the relationship of cognitive performance and depressive symptoms with cardiovascular risk in the elderly. Methods: 94 high cardiovascular risk elderly patients and 160 healthy community elderly were evaluated cross-sectionally. The Mini Mental State Examination (MMSE) and the Geriatric Depression Scale (GDS-15) were used as the main measures. The cutoff for presence of depression was 6 on the GDS. Results: The high cardiovascular risk elderly group showed significantly lower scores on the MMSE (p<0.001) and was significantly associated to depression (p<0.001), independently of education. The logistic regression analysis for depression as the dependent variable, age and group (healthy community or high cardiovascular risk elderly) were kept in the final equation. Higher age (Odds Ratio=0.92; 95% CI 0.86-0.98) and high cardiovascular risk elderly (OR=2.99; 95% CI 1.36-6.59) were associated to depression. Conclusions: The present findings corroborate the different cognitive performance of elderly with high cardiovascular risk factors and the association of depressive symptoms with this group. PMID- 29213589 TI - Short IQCODE as a screening tool for MCI and dementia: Preliminary results. AB - : Reaching a diagnosis may be difficult in the initial stages of dementia, especially in low educated individuals, when informant reports may be useful. Objectives: To compare the sensitivity and specificity of the IQCODE against cognitive tests applied in clinical practice and to evaluate the possible cut-off points in Brazil. Methods: Individuals without dementia (CDR=0; N=5), with Mild Cognitive Impairment (MCI) (CDR=0.5; N=15) and demented (CDR>=1; N=29) were evaluated using the Short IQCODE, a 16-item questionnaire applied to an informant, and on standard cognitive and functional scales. Diagnosis was reached by a consensus team with expertise in dementia, according to DSM-IV criteria, which was blind to the IQCODE results. Results: IQCODE scores were positively correlated to the CDR (r=0.65, p<0.001) and negatively correlated with years of schooling (r= -0.33, p=0.021). IQCODE scores were positively correlated with CDR controlled by age and education (r=0.61, p<0.001). Linear regression showed that age was associated with the IQCODE (p=0.016) whereas education was not associated (p=0.078). IQCODE means according to the CDR classification were: CDR 0-3.37; CDR 0.5-3.75; CDR 1-4.32; CDR 2-4.61; CDR 3-5.00. The area under the ROC curve for dementia vs. controls was 0.869 (p<0.001), MCI vs. controls, 0.821 (p<0.001); and according to the groups classified by the CDR was: CDR 0.5 vs. CDR 1=0.649 (p=0.089), CDR 1 vs. CDR 2=0.779 (p=0.009), and CDR 2 vs. CDR 3=0.979 (p=0.023). Conclusions: These preliminary findings suggest that the short IQCODE can be used for the screening of MCI and dementia in Brazil. PMID- 29213590 TI - EXIT25 - Executive interview applied to a cognitively healthy elderly population with heterogeneous educational background. AB - : Education interferes with the performance in most cognitive tests, including executive function assessment. Objective: To investigate the effects of education on the performance of healthy elderly on the Brazilian version of the Executive Interview (EXIT25). Methods: The EXIT25 was administered to a sample of 83 healthy elderly. The subjects were also submitted to the Mini-Mental State Examination (MMSE), a delayed recall test, clock drawing and category fluency (animals/min) tests in order to rule out cognitive impairment. The Geriatric Depression Scale (GDS) was employed to exclude clinically-relevant depressive symptoms. The total sample was divided into three groups according to educational level: G1 (1-4 years), G2 (5-8 years) and G3 (>8 years). Results: The mean values for age, educational level, MMSE and EXIT25 scores of all subjects were 72.2, 7.5, 27.6 and 6.9, respectively. The scores on the EXIT25 for each group were: G1=8.3, G2=5.9 and G3=5.8. There was a statistical difference between the performance of G1 and the other two groups on the EXIT25. Conclusions: The Brazilian version of the EXIT25 proved straightforward to administer. The performance of this sample of healthy elderly on the test was significantly influenced by educational level. PMID- 29213591 TI - Immediate recall of short stories depends on educational level. AB - : Memory complaints are frequent in the elderly but the confirmation of memory decline is challenging. Tests employing the recall of paragraphs or short stories have been proposed for the diagnosis of Alzheimer's disease and amnestic mild cognitive impairment. Objectives: To evaluate the influence of educational level on immediate recall of short stories. Methods: A sample of 363 individuals (214 women; median age of 50; median years of schooling of 6; 23 illiterates) without evident physical or mental illnesses were evaluated with simple neuropsychological tests, including the recall of short stories immediately after listening to them read aloud by the examiner. Results: Age showed an inverse correlation whereas years of schooling showed a direct correlation with the scores on the immediate recall of short stories. As age and years of schooling were inversely correlated, logistic regression was employed, which showed that only years of schooling had an influence on the performance in the test. Conclusions: In populations with heterogeneous educational background, the recall of short stories cannot be recommended for the diagnosis of memory impairment. It is possible that tests with larger encoding phases are more appropriate for these populations. From a broader perspective, information released by radio or TV, as well as information disseminated orally in public settings such as hospitals, stations or airports may be less well retained by low educated individuals, especially when the information is presented only once. PMID- 29213592 TI - Clinical conditions and memory complaints in outpatient elderly. AB - : Memory complaints are common in elderly, and may be associated with many clinical problems. Objective: To identify clinical conditions and possible factors related to memory complaints in elderly outpatients presenting at a tertiary unit. Methods: Patients with memory complaints and normal cognitive screening tests were submitted to clinical and laboratorial testing. Radiological evaluation was performed as needed for diagnosis. Results: One hundred and seventy-seven subjects were initially evaluated, 12 were excluded because of poor and inconsistent memory complaints. Of the remainder, seventeen had criteria for dementia diagnosis. Ninety-two (55.4%) had one or more comorbid conditions possibly related to their complaints. Major depression was present in 26.0%. Sixteen patients (9.6%) had vitamin B12 deficiency, 8 were in use of inappropriate medications, and 7 (4.2%) had hypothyroidism. Other conditions diagnosed were: generalized anxiety disorder, obstructive sleep apnea syndrome, hyperparathyroidism, normal pressure hydrocephalus. Three patients had severe hearing loss (in 22 with hearing complaints); one had severe visual impairment (in 22 with visual complaints). Conclusions: Comprehensive evaluation was able to identify treatable conditions possibly related to memory complaints. PMID- 29213593 TI - Influence of brain lesion and educational background on language tests in aphasic subjects. AB - : In language assessment, several socio-demographic variables must be taken into account. Objectives: To characterize the performance of aphasic patients with different educational background on language tasks and to compare their performance to that of individuals with no language disorders. Methods: Thirty aphasic patients and 30 healthy individuals were selected. Patients were divided into two groups according to educational level: A (1-4 years) n=15 and B (5-11 years) n=15. Age ranged from 27 to 78 years. All subjects were submitted to the Montreal Toulouse language assessment protocol. The pertinent statistical tests were applied. Results: Educational level interfered in the linguistic performance of normal subjects but not in that of aphasic subjects, whose performance was influenced more by the lesion. Conclusions: The present study can contribute toward greater understanding of the influence of lesions and educational background on the language performance of aphasic subjects. PMID- 29213594 TI - Phonemic verbal fluency and age: A preliminary study. AB - : Verbal fluency (VF) has been one of the most frequently used instruments in clinics and research, both independently or included in a battery recommended for the detection of cognitive alterations. Phonemic-verbal fluency (PVF) is an interesting variant for cognitive diagnosis particularly because studies indicate that it is less influenced by age. Objectives: 1. To estimate the effects of age on PVF tests in their original forms, with the /f/-/a/-/s/ phonemes. 2. To estimate the effects of the phoneme /p/ and compare it to the original form in item generation. 3. To verify associations between the Token Test (TT), Mini Mental State Exam (MMSE) and depressive symptoms on performance with /f/-/a/-/s/ /p/ phonemes. Methods: Forty-eight healthy individuals with ages ranging from 30 to 80 years were evaluated with the MMSE, TT and PVF tests. Results: Age was correlated with the MMSE, TT and depressive symptoms. There was no association between age and performance on the fluency test, independent of the phoneme used. Among the socio-demographic factors studied, age had a significant impact on performance. There was no phoneme effect in item-generation, when comparing the traditional form of VF (/f/-/a/-/s/) and the /p/ phoneme. Conclusions: The traditional form of FAS is interchangeable with the modified presentation, therefore both forms may be used in clinical or research settings. PVF is a valuable approach for detecting cognitive alterations in the aged, given its stability throughout the ageing process. PMID- 29213595 TI - Preliminary data on a mnemonic instrument with proverbs for tracking Alzheimer's disease. AB - : In the differential diagnosis between Alzheimer's disease (AD) and normal aging, tests evaluating memory and executive functions are frequently used. The addition of abstraction tests may enhance the effectiveness of screening tests for AD. Objectives: The aim of this study was to compare initial data of a new instrument - The Screening Test for Alzheimer's Disease with Proverbs (STADP) - against other screening tests used in AD diagnosis. Methods: Sixty elderly individuals (46 controls and 14 AD subjects with CDR=1), aged =60 years, with at least one year of schooling, were evaluated using the STADP at outpatient clinic. The STADP assesses short-term memory, episodic memory, executive functions and language, in addition to proverb recognition. The performance of the participants on the Mini-Mental State Examination (MMSE), semantic Verbal Fluency (VF) and Clock Drawing Test (CDT) were evaluated and the habit of reading, writing and sociodemographic data were also taken into account. Results: There were significant correlations between STADP and the performance on the MMSE (r=0.64), CDT (r=0.50) and VF (r=0.56). Age influenced all sub-items of the STADP, specifically episodic memory (r= -0.54), whereas schooling mainly influenced executive functions and language (r=0.46). The total score, stages A and C and the "proverb recognition" of STADP (p<0.001), as well as the MMSE (p<0.001), CDT (p=0.016), VF (p<0.001) were significantly different in AD versus control groups. Conclusions: The findings point to the potential use of the STADP in AD, warranting the conducting of further studies. PMID- 29213596 TI - Processing of metaphors in transcortical motor aphasia. AB - : Great emphasis has been placed on the right hemisphere, due to its possible selective contribution, in the processing of metaphorical statements. Objectives: To describe the processing of metaphors in the case of a patient with transcortical motor aphasia, using specific tests for patients with encephalic injuries of the right hemisphere, and to contribute to the discussion on the inter-hemispheric relationships associated with this function. Methods: A 54 year old man with transcortical motor aphasia was evaluated three years after a left hemisphere stroke. The tasks of comprehension of metaphors were based on the subtest Metaphor Comprehension Task of the Montreal Evaluation of Communications Scale (MEC). Two metaphor comprehension tests were applied, in 45-minute sessions with a 48 hour interval between each. Test 1 involved comprehension of the metaphors according to the options offered, and Test 2 the comprehension of metaphors measured by response time and visual field. Results: Although the right hemisphere was not affected by the stroke in this case, difficulties were observed in the processing of metaphors. Conclusions: This study suggests that the left hemisphere participates in the processing of figurative meanings. The adaptability of the brain can also re-accommodate the uninjured areas of the brain, causing the dynamic of the brain to be modified. As a result, deducing cerebral functions based on clinical data can be problematic. The value of this study is that it can contribute to clinical aspects of language rehabilitation. PMID- 29213597 TI - Sustained attention assessment of narcoleptic patients: two case reports. AB - Narcolepsy is a sleep disorder characterized by uncontrollable REM sleep attacks which alter the patients wake state and can lead to difficulties in attention aspects, such as maintaining attention when performing activities or tasks. This study aimed to evaluate sustained attention performance of two narcoleptic patients on the d2 Test, Epworth Sleepiness Scale (ESS), Pittsburgh Sleep Quality Index (PSQI) and Hamilton Rating Scale for Depression (HAM-D). Results showed that the maintenance of attention was associated with a slowing of the target symbols processing function in visual scanning with accuracy in task performance. A high degree of excessive sleepiness was observed, along with mild and moderate degrees of depressive signs and symptoms. One subject also presented with a nocturnal sleep disorder which could represent an important factor affecting attentional and affective capacity. PMID- 29213598 TI - Developmental prosopagnosia and adaptative compensatory strategies: Case study. AB - : Prosopagnosia is a type of visual agnosia with inability to identify faces, usually secondary to brain lesion in associative cortex areas, but there is also a congenital form known as developmental prosopagnosia. Objectives: To describe a case of developmental prosopagnosia that illustrates the specificity of the pathways for perception of faces in the visual system. Also, we will describe possible mechanisms of recognition used by this patient. Methods: R.S., a 50 year old woman, was referred for neuropsychological assessment due to difficulties in perception of familiar faces since childhood, unexplained by any loss of visual acuity. Results: The exam showed good performance for comprehension, reasoning, concept formation, constructional abilities, criticism, judgment, mental control, memory and visual perception for other kinds of stimuli. No difficulties were seen regarding identification of ethnicity, age and types of animals. The patient was able to match celebrities' faces in different positions, but could not identify the matching pictures for unknown people. Conclusions: These findings indicate the patient had developed strategies, throughout life, to recognize familiar faces (relatives, celebrities) from memorized fragments, but still had difficulties in identifying non-familiar faces holistically. PMID- 29213599 TI - Postencephalitic amnesia with long term-working memory impairment: A case report. AB - Herpes simplex virus encephalitis (HSVE) is an inflammation of the brain parenchyma caused by virus, leading to focal necrosis in medial temporal lobes, hippocampal complex and basal forebrain. Cognitively, HSVE is associated to many dysfunctions which vary according to the extent of the lesion. Episodic memory impairment is the most common sequelae following HSVE episodes, although others can occur. The aim of this case report was to describe the cognitive profile of a 42 year-old man who had extensive bilateral damage to the medial temporal lobe, insular bilateral and orbitofrontal cortices due to HSVE. Severe anterograde and retrograde amnesia, naming deficits, perseverative behaviors and confabulations were observed on neuropsychological assessment. We discussed the concept of long term-working memory based on this evaluation. These cognitive impairments corroborated HSVE previous findings in the literature. PMID- 29213600 TI - Pain and apathy. AB - In this case report we discuss the lack of emotional reactivity and evasive motor motivation to nociceptive stimuli presented by a patient with frontotemporal degenerative disease and apathy as a predominant behavioral symptom. PMID- 29213601 TI - Dementia in the developing world. PMID- 29213602 TI - Argyrophilic grain disease: an update about a frequent cause of dementia. AB - Argyrophilic grain disease (AGD) is a sporadic, very late-onset tauopathy, accounting for approximately 4-13% of neurodegenerative dementias. AGD may manifest with a range of symptoms such as cognitive decline and behavioral abnormalities. To date, no study has been able to demonstrate a distinct clinical syndrome associated with AGD. The diagnosis is exclusively based on postmortem findings, the significance of which remains controversial because up to 30% of AGD cases are diagnosed in subjects without any cognitive impairment, while AGD findings often overlap with those of other neurodegenerative processes. Nevertheless, the presence of AGD is likely to have a significant effect on cognitive decline. The neuropathological hallmarks of AGD are argyrophilic grains, pre-neurofibrillary tangles in neurons and coiled bodies in oligodendrocytes found mainly in the entorhinal cortex and hippocampus. This review aims to provide an up-to-date overview of AGD, emphasizing pathological aspects. Additionally, the findings of a Brazilian case series are described. PMID- 29213603 TI - Normal pressure hydrocephalus: Diagnostic and predictive evaluationon. AB - In typical cases, normal pressure hydrocephalus (NPH) manifests itself with the triad of gait disturbance, which begins first, followed by mental deterioration and urinary incontinence associated with ventriculomegaly (on CT or MRI) and normal cerebrospinal fluid (CSF) pressure. These cases present minor diagnostic difficulties and are the most likely to improve after shunting. Problems arise when NPH shows atypical or incomplete clinical manifestations (25-50% of cases) or is mimicked by other diseases. In this scenario, other complementary tests have to be used, preferentially those that can best predict surgical outcome. Radionuclide cisternography, intracranial pressure monitoring (ICP) and lumbar infusion tests can show CSF dynamics malfunction, but none are able to confirm whether the patient will benefit from surgery. The CSF tap test (CSF-TT) is the only procedure that can temporarily simulate the effect of definitive shunt. Since the one tap CSF-TT has low sensitivity, it cannot be used to exclude patients from surgery. In such cases, we have to resort to a repeated CSF-TT (RTT) or continuous lumbar external drainage (LED). The most reliable prediction would be achieved if RTT or LED proved positive, in addition to the occurrence of B-waves during more than 50% of ICP recording time. This review was based on a PubMed literature search from 1966 to date. It focuses on clinical presentation, neuroimaging, complementary prognostic tests, and differential diagnosis of NPH, particularly on the problem of selecting appropriate candidates for shunt. PMID- 29213604 TI - Cognitive impairment in Wilson's disease. AB - Wilson's disease (WD) or hepatolenticular degeneration is a rare, genetic and systemic disease, caused by a deficit in the metabolism of copper, leading to its accumulation in different organs, mainly the liver, followed by the central nervous system, especially the basal ganglia. When symptoms begin between the second and third decades of life, approximately 50% of the patients show neurological symptoms. Although dystonia and dysarthria are the most common neurological signs, cognitive changes have been reported since the first cases were described in 1912. Memory change is one of the most common impairments, but other cognitive changes have been reported, including dementia in untreated cases. In this article we review the cognitive changes in WD patients and the occurrence of dementia. PMID- 29213605 TI - Stroke and brain atrophy in chronic Chagas disease patients: A new theory proposition. AB - Chagas disease (CD) remains a major cause of cardiomyopathy and stroke in developing countries. Brain damage in CD has been attributed exclusively to the effects of structural heart disease on the brain, including cardioembolism and low cardiac output symptoms. However, CD patients also develop stroke and brain atrophy independently of cardiac disease severity. Chronic inflammation directed against T. cruzi may act as a trigger for endothelial damage, platelet activation, acceleration of atherosclerosis and apoptosis, all of which lead to stroke and brain atrophy. In the present article, evidence supporting this new theory is presented, along with considerations towards mechanistically-based targeted treatment. PMID- 29213606 TI - Cognitive dysfunction in chronic Chagas disease cardiomyopathy. AB - : Chagas disease (CD) remains a major cause of stroke in developing countries, but cognitive repercussion of CD has not been well studied. Objective: To compare the frequency and pattern of cognitive dysfunction in patients with CD cardiomyopathy (CDC) and other cardiomyopathies (OC). Methods: We studied 37 patients with CDC and 42 patients with OC with similar age, educational level and cardiac systolic function. Cognitive tests were applied to both groups by a single examiner blinded to CD status. Logistic regression multivariable models were constructed to ascertain predictors of cognitive dysfunction for each test. Results: Cognitive dysfunction was detected in 9 (24%) CDC patients and 6 (14%) OC patients by Mini Mental State Exam (MMSE) corrected for educational level. Independent predictors of abnormal MMSE (p<0.05) included stroke history (OR=5.51; 95% CI=1.27-24.01) and digoxin use (OR=0.23, 95% CI=0.06-0.89), while CD showed a trend toward statistical significance (OR=4.63; 95% CI=0.87-24.73, p=0.07). Delayed recall of Rey's Complex Figure Test was significantly worse in CD patients, where this remained a significant predictor in the multivariable analysis (OR=4.67; 95% CI=1.23-17.68). Conclusions: Cognitive dysfunction is frequent in Chagas disease and should be considered as an outcome measure in Chagas disease studies. PMID- 29213607 TI - Lack of executive functions deficits among adult ad hd individuals from a Brazilian clinical sample. AB - : Executive function deficits have been previously documented in individuals with Attention Deficit Hyperactivity Disorder (ADHD). Objective: The current study aimed to compare measures of executive functions among a clinical sample of adults with ADHD and normal control subjects, matched for age, gender and education. Methods: Twenty-three self-referred adults diagnosed with ADHD according to DSM-IV criteria, and twenty-five control subjects were assessed using a neuropsychological battery which included the Wisconsin Card Sorting Test, Tower of Hanoi, Digit Span, Trail Making Test (A and B), Stroop Test and Raven's Progressive Matrices. Results: The ADHD group did not differ significantly from the control subjects on any of the measures assessed. Conclusion: Measures of executive functions using this test battery were unable to discriminate between adults with ADHD and control subjects in this clinical sample. PMID- 29213608 TI - Do attention deficit/hyperactivity disorder symptoms exist among Brazilian indigenous children? AB - : The validity of the clinical constructs of attention deficit hyperactivity disorder (ADHD) has been generalized for all human populations of different cultures worldwide. Yet important population groups have yet to be adequately studied so as to definitively confirm this generalization. Objective: To investigate the presence of symptoms of ADHD in children living within an indigenous community. Methods: We performed interviews in a bid to screen for symptoms of ADHD among settlement-dwelling indigenous children of the Karaja ethnic group in the Brazilian Amazonian Region. Results: Three narratives are presented highlighting the classical symptomatological triad of ADHD: inattentiveness, hyperactivity and impulsiveness. Conclusions: Some of ADHD's major characteristics, described in the most common disease classification worldwide, are clearly described by children of this population. We concluded that ADHD symptoms are present in this population which diverges greatly in cultural issues compared to the Western world. PMID- 29213609 TI - Comparison of performance in neuropsychological tests in amnestic Mild Cognitive Impairment and Alzheimer's disease patients. AB - : Mild Cognitive Impairment (MCI) can be an intermediate state between normality and dementia in some patients. An early diagnosis, through neuropsychological assessment, could identify individuals at risk of developing dementia. Objective: To verify differences in performance on neuropsychological tests among controls, amnestic MCI (aMCI) and Alzheimer's disease (AD) patients. Methods: Sixty-eight AD patients (mean age 73.77+/-7.24; mean schooling 9.04+/-4.83; 40 women and 28 men), 34 aMCI patients (mean age 74.44+/-7.05; mean schooling 12.35+/-4.01; 20 women) and 60 controls (mean age 68.90+/-7.48; mean schooling 10.72+/-4.74; 42 women) were submitted to a neuropsychological assessment composed of tasks assessing executive functions, language, constructive abilities, reasoning and memory. Results: There were statistically significant differences in performance across all tests among control, aMCI and AD groups, and also between only controls and AD patients. On comparing control and aMCI groups, we found statistically significant differences in memory tasks, except for immediate recall of Visual Reproduction. There were also statistically significant differences between aMCI and AD groups on tasks of constructive and visuoperceptual abilities, attention, language and memory, except for delayed recall of Visual Reproduction. Conclusions: Neuropsychological assessment was able to discriminate aMCI from AD patients in almost all tests except for delayed recall of Visual Reproduction, visual organization (Hooper) and executive functions (WCST); and discriminate controls from AD patients in all tests, and controls from aMCI patients in all memory tests except for immediate recall of Visual Reproduction. PMID- 29213610 TI - Age and educational level effects on the performance of normal elderly on category verbal fluency tasks. AB - : Cognitive decline, particularly executive dysfunction, is observed in normal aging. In Brazil, the elderly population presents broad educational diversity. Category verbal fluency tests are frequently used to detect cognitive impairment, assessing executive function, language and semantic memory. Objective: To investigate the effects of age and education on category animal fluency task (CAF) in healthy elderly. Methods: We evaluated 319 healthy elderly from outpatient care units of two university reference centers of Rio de Janeiro and Sao Paulo. The sample was divided into two age, and five schooling subgroups. To be included participants had to demonstrate preservation of global cognitive functioning, independence for activities of daily living and not fulfill diagnostic criteria for dementia. All participants were submitted to neurological and neuropsychological evaluations. Results: There was a correlation between age and CAF performance (r= -0.26, p<0.01), which was not confirmed when years of education were included as a covariant in univariate ANCOVA. Significant differences were found in CAF performance among the different educational level groups on correlation analysis (r=0.42, p<0.01) and ANCOVA analysis (F=18.8, p<0.05). Illiteracy was associated with worst CAF performance, while university level was associated with best performance. Conclusion: The best CAF performance was found in the first years of schooling (literacy learning process) compared to illiteracy, and when finishing high school and starting university courses compared to all other educational levels. These stages are associated with significant gains in semantic memory and executive function which are critical for verbal fluency performance. PMID- 29213611 TI - Normative data for healthy elderly on the phonemic verbal fluency task - FAS. AB - : Phonemic verbal fluency tests assess the production of words beginning with specific letters. Of these letters, the most frequently used are F, A and S. It is a sensitive test for assessing frontal lobe functions. Objective: To provide normative data for the elderly Brazilian population on the FAS test and to investigate the effects of age and schooling on test performance. Methods: The individuals were divided into three age groups (60-69, 70-79 and =80 years), and into four groups according to education (1-3, 4-7, 8-11 and 12 years). All subjects were assessed by the Mini Mental State Examination and the FAS. Data were analyzed with Student's t test, ANOVA, simple linear regression and Spearman's correlation. Results: We evaluated 345 cognitively healthy volunteers, 66.66% being female, aged 60 to 93 years, with an educational level ranging from one to 24 years. The average (number of items) +/-SD for the whole sample was 28.28+/-11.53. No significant effect of gender was observed (p=0.5). Performance on the MMSE and education exerted a direct influence on FAS scores (p<0.001), with education being the most significant factor. A positive correlation was found between FAS and the MMSE (r=0.404; p<0.001). Conclusion: The performance of Brazilian elderly on the phonemic verbal fluency tests-FAS is significantly influenced by education, where individuals with higher educational level present better performance than those with fewer years of schooling. Age and gender did not prove significant with the FAS. PMID- 29213612 TI - Charles Bonnet Syndrome: Case series. AB - : Since its first description in 1760, Charles Bonnet syndrome (CBS) has been reported in many studies. The main characteristics are visual hallucinations, preserved awareness of unreal visions, and absence of psychotic symptoms. CBS can occur with lesions located anywhere along the central visual pathway, from the eye to the calcarine fissure. Objective: To describe patients with CBS and carry out a review of the literature. Methods: Six patients with visual hallucinations were evaluated in an outpatient memory clinic between 2001 and 2008, and their clinical characteristics recorded. Results: Four patients were female, and the mean age was 74.5+/-16.9 years. Three patients had visual loss secondary to eye disease and three due to cerebral lesions. The visions consisted of animals, persons, moving objects, bizarre creatures or colored forms, and were considered disturbing by five patients. Five patients received treatment, and only three reported partial benefit from the therapy. Complete recovery was not seen in any of the subjects. Conclusions: CBS is relatively rare and its recognition is important to avoid misdiagnoses with psychiatric or dementing illnesses. PMID- 29213614 TI - LILACS, mission and abstracts. PMID- 29213613 TI - Dementia post-radiotherapy: improvement with acetylcholinesterase inhibitor. A case report. AB - Cognitive decline associated with radiotherapy is a progressive complication that affects many patients submitted to this form of treatment. The lack of an effective treatment drives research for new treatment options to improve the quality of life of patients with this disorder. We report the case of a 64 year old man who developed a severe dementia of the frontal subcortical type, which was associated with subcortical frontal lesions and appeared as a late complication of radiotherapy used to treat a pituitary tumor. After many pharmacological attempts to improve his cognitive and behavioral problems, the patient showed a significant improvement in the cognitive, functional and behavioral impairments after treatment with an acetylcholinesterase inhibitor. This report discusses hypotheses for the positive effect of this treatment. PMID- 29213615 TI - The Clock Drawing Test: A review of its accuracy in screening for dementia. AB - : The Clock Drawing Test (CDT) is a simple neuropsychometric instrument that can be easily applied to assess several cognitive functions. Over the past 20 years, the CDT has aroused considerable interest in its role for the early screening of cognitive impairment, especially in dementia. Although the CDT is considered an accurate test for dementia screening, recent studies including comparisons with structured batteries such as the CAMCOG have shown mixed results. Objectives: To investigate the importance of the CDT compared to other commonly used tests, in the diagnosis of dementia in the elderly; (2) to evaluate the reliability and correlation between available CDT scoring scales from recent studies. Methods: A systematic search in the literature was conducted in September 2008 for studies comparing CDT scoring systems and comparing the CDT with neuropsychiatric batteries. Results: Twelve studies were selected for analyses. Seven of these studies compared CDT scoring scales while five compared the CDT against the CAMCOG and the MMSE. Eight studies found good correlation and reliability between the scales and the other tests. Conclusion: Despite the mixed results in these studies, the CDT appears to be a good screening test for dementia. PMID- 29213616 TI - The performance of the Mini-Cog in a sample of low educational level elderly. AB - Objectives: To study the criterion validity of the Mini-Cog in low educational level elderly.Design: Cross-sectional and validation design.Setting: Policlinica Piquet Carneiro, an outpatient unit of Rio de Janeiro State University Hospital, in Brazil.Participants: A convenient sample consisting of 306 individuals, 65 yrs or older, selected from April 8th to July 15th, 2002. Methods: All participants underwent comprehensive geriatric evaluations which included the Mini-Mental State Examination (MMSE) and the cognitive part of the Cambridge Examination for Mental Disorders of the Elderly - Revised (CAMCOG-R). They were classified as demented or non-demented (DSM-IV). A post-hoc analysis was performed on the data from the 3 word recall test of the MMSE, and the Clock Drawing Test from the CAMCOG-R, and respective scores were added and interpreted in accordance with the Mini-Cog protocol. Results: 293 individuals completed all the study steps; 211 had 4 or less years of schooling and were included in the data analysis. 32% had dementia. Mini-Cog sensitivity and specificity was consistently low independently of the different cut-off points considered. The best performance was found at the cut-off point of 2/3 which yielded sensitivity and specificity of 60% and 65%, respectively. Conclusion: The Mini-Cog is not a good cognitive screening tool for individuals with less than five years of formal education. PMID- 29213617 TI - Evaluation of Mini-Mental State Examination scores according to different age and education strata, and sex, in a large Brazilian healthy sample. AB - : Until better measures have been accepted for wider use, the Mini-Mental State Examination (MMSE) will continue to be utilized. In this context, knowledge on characteristics and determinants of its distribution for the Brazilian population are particularly valuable. The present study aimed to evaluate, based on multivariate analysis, the independent effect of age, educational level and sex, and their interactions, on MMSE scores in a healthy sample. Methods: Demographic data and scores on the MMSE of 1,553 healthy individuals were analyzed. The sample was grouped according to age and education. Results: The sample was composed of 963 females (62%), mean age +/-SD was 49.6+/-20.7yrs (range 20 to 92 yrs). The mean years of education +/-SD was 8.9+/-5.5yrs (range 0 to 28 yrs). The mean score +/-SD on the MMSE was 27.3+/-2.7(range 15 to 30). A significant effect of the interaction between education and sex (p=0.011), and also between education and age was observed (p=0.003). An independent effect of education (p<0.001) and age (p<0.001) was found. Participants from the higher educated group presented higher MMSE scores than the other groups. Younger adults presented higher MMSE scores than the other age groups. Conclusions: We observed an effect of education and age on MMSE scores. Younger individuals and higher educated participants presented higher scores. PMID- 29213618 TI - The relationship between memory complaints and age in normal aging. AB - : Normal aging can be characterized by a gradual decline in some cognitive functions, such as memory. Memory complaints are common among older adults, and may indicate depression, anxiety, or cognitive decline. Objectives: To investigate the association between memory complaints and age in cognitively unimpaired older adults, and the relationship between memory complaints and memory performance. Methods: Cognitive screening tests as well as memory complaint questionnaires validated for the Brazilian population were used: the Mini-Mental State Examination (MMSE), Geriatric Depression Scale (GDS), Memory Complaint Questionnaire (MAC-Q), Memory test of 18 pictures, Forward and Backward Digit Span (WAIS-III). Fifty seven regular members of the SESC social club participated (50 women), having a mean age of 71.4 years, and 4 to 8 years of education - 34 from 4 to 7 years and 23 with 8 years of education. Results: Results revealed no significant association between cognitive complaints and age or cognitive performance. Older participants in this sample did not show worse performance or a higher level of complaints. There was no significant association between age and GDS scores. Conclusions: The studied sample constitutes a particular group of older adults whose participation in activities may be protecting them from cognitive decline, thus highlighting the impact of lifestyle on cognitive performance during the aging process. PMID- 29213619 TI - Study on the Behavioural Assessment of the Dysexecutive Syndrome (BADS) performance in healthy individuals, Mild Cognitive Impairment and Alzheimer's disease: A preliminary study. AB - : Executive deficits as well as deficits in episodic memory characterize the initial phases of Alzheimer Disease (AD) and are clinically correlated to neuropsychiatric symptoms and functional loss. Patients with Mild Cognitive Impairment present more problems as to inhibitory response control, switching and cognitive flexibility. Objective: To compare performance on the BADS with performance on other executive functional tests among patients with mild Alzheimer's disease, Amnestic Mild Cognitive Impairment (aMCI) to performance of control individuals and to examine discriminative capacity of BADS among these groups. Methods: The BADS was performed by 35 healthy controls, 13 patients with aMCI, and 16 mild probable AD patients. Besides performing the BADS, subjects underwent neuropsychological evaluation which comprised: the Dementia Rating Scale (DRS), verbal fluency by phonemic categories (F.A.S) and Concentrated Attention Test (CA). Results: There were no differences among groups by educational level, but performance differed for age (p<0.01). No difference between healthy controls and aMCI patients was found on total scores or subitems of the BADS. A significant difference was observed between aMCI and AD patients (p<0.05) and between controls and AD patients (p<0.05) on total and standard scores. Conclusions: Performance on the BADS differed between healthy individuals and mild AD patients. The BADS proved to be a sensitive method for discriminating AD from aMCI. PMID- 29213620 TI - Nonverbal dichotic test in patients with epilepsy. AB - : Auditory processing during childhood may be altered if there is any predisposing factor during the course of development. Neurological disorders are among the risk factors for auditory processing disorders. Some studies have shown verbal auditory processing disorder in children with epilepsy. Objective: To verify the performance of children with epilepsy on a nonverbal dichotic test. Methods: Thirty-eight subjects, 23 female and 15 male, ranging from 7 to 16 years of age with neurological diagnosis of idiopathic epilepsy, without clinical or imaging evidence of cerebral lesion were evaluated. Patients were divided into two groups: 23 patients diagnosed with partial seizures and 15 patients with generalized seizures. Illiterate children, children with hearing thresholds exceeding the normal range and with brain lesions confirmed either clinically or by imaging tests were excluded from the study group. Results: Analysis of the performance of epileptic patients with partial and generalized seizures on the Nonverbal Dichotic Test revealed that the majority of patients with epilepsy showed impairments in the test, with no significant differences related to seizure type, generalized or partial. Although patients with partial and generalized seizures performed similarly, all the epileptic patients showed different performance to a normal population. Conclusions: This study revealed a high prevalence of impairments among epileptic patients in relation to nonverbal processing in a dichotic paradigm. PMID- 29213621 TI - N-Back auditory test performancein normal individuals. AB - : The working memory construct refers to the capacity to maintain information for a limited time. Objectives: To devise stimuli and adapt the 5-back test and to verify the effect of age in normal Brazilian individuals. Methods: 31 healthy adults (15 young adults and 16 older adults) were evaluated by batteries of auditory stimuli to verify the inter-group differences (age effect) in working memory span, total correct answers and intrusions, and the intra-group effect of type of stimulus. Results: There was no intra-group stimulus effect. Individuals from both groups processed di and tri-syllables similarly. No difference between groups (no age effect) was observed for any N-Back parameters: total score, span, number of intrusions, in either di or tri-syllable presentation. Conclusion: the processing capacity of 5 elements in phonological working memory was not affected by age. PMID- 29213622 TI - Comprehension and storage of sequentially presented radio news items by healthy elderly. AB - : In the normal aging processes, complaints of memory loss and auditory comprehension are not uncommon, principally in complex and cognitively demanding situations. Objective: The objective of this study was to investigate skills of discourse comprehension and retention in a natural situation, by healthy aged in relation to variables such as age, schooling and cognitive screening measurement. Methods: Thirty healthy elderly participated in the study (mean age=73.56 yrs; SD=6.26 and mean schooling=8.6 yrs; SD=4.41). Twelve news items were recorded and presented in three sequences of four news-groups. Participants were instructed to listen to the four news items, and upon completion were questioned about one of them. Results: We found no age or schooling effect on the performance of the subjects. The participants achieved almost full scores on all answers (ceiling effect). Discussion: The heterogeneity of elderly and cognitive compensation in natural situations could explain these results of elderly behavior. PMID- 29213623 TI - Cognitive training in older adults with Mild Cognitive Impairment: Impact on cognitive and functional performance. AB - : Aging is associated with cognitive decline, yet this does not prevent older adults from finding ways to compensate for age-related deficits. Earlier studies have shown that cognitively unimpaired older adults can benefit from training programs. The efficacy of cognitive interventions among older adults without dementia but with cognitive decline (mild cognitive impairment, MCI) has not yet been widely tested. Objectives: To evaluate the impact of 8-session cognitive training on the cognitive and functional performance of older adults with MCI. Methods: 16 older adults diagnosed with MCI received cognitive training (18 participated as controls). All participants were assessed pre and post intervention using the Short Cognitive Test (SKT), Direct Assessment of Functional Scale Revised (DAFS-R), Geriatric Depression Scale (GDS), and Clock Drawing Test (CDT). Results: A significant improvement was observed in the study group between pre and post-test in attention (SKT), time orientation, shopping skills and dealing with finances (DAFS-R) along with reduced depressive symptoms (GDS). Conclusion: These results indicate the importance of non-pharmacological interventions for older adults with MCI to help compensate for cognitive decline. PMID- 29213625 TI - New approaches to neglected phenomena. PMID- 29213624 TI - Dementia caregiver burgen in a brasilian sample: Association to neuropsychiatric symptoms. AB - : Taking care of elderly demented individuals, especially when they present behavioral changes, can be very exhaustive for both family and caregivers. Generally, this leads to changes in the family lifestyle, and the caregiver must deal with a range of problems. Information on this topic in Latin America, including Brazil, remains scarce. Objective: To investigate the relationship between the presence of neuropsychiatric symptoms and the level of caregiver burden in a group of Brazilian elderly with dementia. Methods: The Brazilian versions of the Zarit Caregiver Burden Interview (ZBI) and of the Neuropsychiatric Inventory (NPI) were administered to a total of 83 family caregivers of patients with dementia followed at a university-affiliated outpatient clinic. Pearson's correlations were calculated to measure the level of association between the scores on both instruments. Results: Among the caregivers, 83.1% were women, and had a mean age of 55.6+/-12.8 years. The ZBI scores ranged from 3 to 79 (mean=31.4). Patients' NPI scores ranged from 0 to 102 (mean=26.9), consistent with a significant degree of behavioral manifestations in most patients. A significant positive correlation was found between ZBI and NPI scores (r=0.402; p=0.000). Conclusion: The presence and severity of behavioral manifestations assessed by the NPI were associated with a high level of caregiver burden in this sample of Brazilian elderly with dementia. PMID- 29213626 TI - Cognitive dysfunction in spinocerebellar ataxias. AB - : Spinocerebellar ataxias (SCAs) comprise a heterogeneous group of complex neurodegenerative diseases, characterized by the presence of progressive cerebellar ataxia, associated or otherwise with ophthalmoplegia, pyramidal signs, extrapyramidal features, pigmentary retinopathy, peripheral neuropathy, cognitive dysfunction and dementia. Objective: To verify the presence of cognitive dysfunction among the main types of SCA described in the literature. Methods: the review was conducted using the search system of the PUBMED and OMIM databases. Results: Cognitive dysfunction occurs in a considerable proportion of SCA, particularly in SCA 3, which is the most frequent form of SCA worldwide. Dementia has been described in several other types of SCA such as SCA 2, SCA 17 and DRPLA. Mental retardation is a specific clinical feature of SCA 13. Conclusions: The role of the cerebellum in cognitive functions has been observed in different types of SCAs which can manifest varying degrees of cognitive dysfunction, dementia and mental retardation. PMID- 29213627 TI - Neurobiological pathways to Alzheimer's disease: Amyloid-beta, TAU protein or both? AB - Alzheimer's disease (AD) is a neurodegenerative disease characterized by progressive cognitive decline, including memory loss, behavioral and psychological symptoms and personality changes. The neuropathological hallmarks of AD are the presence of neuritic (senile) plaques (NP) and neurofibrillary tangles (NFT), along with neuronal loss, dystrophic neurites, and gliosis. Neuritic plaques are extracellular lesions and their main constituent is the amyloid-beta42 peptide (Abeta42). Neurofibrillary tangles are intracellular lesions that are mainly composed of hyperphosphorylated Tau protein. In this article, we review the major hypotheses concerning the physiopathology of AD, focusing on the beta-amyloid cascade as primary events (supported by the "betaaptists") and cytoskeletal abnormalities secondary to the hyperphosphorylation of protein Tau (as advocated by the "Tauists"). We further provide an integrative view of the physiopathology of AD. PMID- 29213629 TI - Physical activity and cognition in the elderly: A review. AB - Physical activity has been indicated as a strategy to promote health in the elderly, as well as to encourage the maintenance of functional capacity, and acts in the prevention and control of various diseases. In recent years, there has been great interest in studying the benefits of physical activity in the preservation or even improvement of cognitive performance in both the elderly without cognitive impairment and in elderly patients with some degree of cognitive impairment or dementia. The majority of epidemiological studies and clinical trials have evaluated aerobic exercises while few have assessed resistance exercise programs. The objective of this review was to examine the effects of different types of physical activity on cognitive function of elderly individuals with or without prior impairment. PMID- 29213630 TI - Does prevention for Alzheimer's disease exist? AB - The prevention of Alzheimer's disease is a growing public health concern amidst an ageing population. Meanwhile, there is no effective or curative treatment available where prevention could greatly reduce health costs. This review was based on reports of potential preventive factors, including modifiable lifestyle factors, as well as preventive pharmacological strategies. Although the present review was not systematic, the reports selected from PubMed using "Alzheimer's disease" and "prevention" as key-words, allow us to affirm that pursuing a healthy lifestyle; physical, cognitive, leisure activities; good social engagement; a high consumption of fish, low consumption of dietary fat and moderate consumption of wine, and control of vascular risk factors appear to be potential factors for delaying dementia. PMID- 29213628 TI - The clinical use of quantitative EEG in cognitive disorders. AB - The primary diagnosis of most cognitive disorders is clinically based, but the EEG plays a role in evaluating, classifying and following some of these disorders. There is an ongoing debate over routine use of qEEG. Although many findings regarding the clinical use of quantitative EEG are awaiting validation by independent investigators while confirmatory clinical follow-up studies are also needed, qEEG can be cautiously used by a skilled neurophysiologist in cognitive dysfunctions to improve the analysis of background activity, slow/fast focal activity, subtle asymmetries, spikes and waves, as well as in longitudinal follow-ups. PMID- 29213631 TI - Role of neuropsychological assessment in the differential diagnosis of Alzheimer's disease and vascular dementia. AB - The prevalence of dementia increases significantly from the age of 65 years, doubling every five years thereafter. Alzheimer's disease (AD) and vascular dementia (VaD) constitute the two main dementia types. Differentiating them encompasses anamnesis, neurological examination, laboratory and neuroimaging exams and neuropsychological assessment. Neuropsychological assessment produces different findings for each dementia type, and reveals those areas most impaired as well as those most preserved. The aim of the present article was to describe the role of neuropsychology in diagnosing dementia and achieving a differential diagnosis between AD and VaD. A general overview follows of the most widely known instruments used to assess cognitive function in dementia, and the cognitive changes seen in AD and VaD. The conclusion drawn was that there is significant overlap in cognitive changes between both these dementia types, while each type has its own specific characteristics which are identifiable and quantifiable on neuropsychological assessments and provide the basis for reaching a differential diagnosis. PMID- 29213632 TI - The ex-illiterate brain: The critical period, cognitive reserve and HAROLD model. AB - : The lifelong acquisition of cognitive skills shapes the biology of the brain. However, there are critical periods for the best use of the brain to process the acquired information. Objectives: To discuss the critical period of cognitive acquisition, the concept of cognitive reserve and the HAROLD (Hemispheric Asymmetry Reduction in Older adults) model. Methods: Seven women who learned how to read and to write after the age of 50 (ex-illiterates) and five women with 10 years of regular schooling (controls) were submitted to a language recognition test while brain activity was being recorded using magnetoencephalography. Spoken words were delivered binaurally via two plastic tubs terminating in ear inserts, and recordings were made with a whole head magnetometer consisting of 148 magnetometer coils. Results: Both groups performed similarly on the task of identifying target words. Analysis of the number of sources of activity in the left and right hemispheres revealed significant differences between the two groups, showing that ex-illiterate subjects exhibited less brain functional asymmetry during the language task. Conclusions: These results should be interpreted with caution because the groups were small. However, these findings reinforce the concept that poorly educated subjects tend to use the brain for information processing in a different way to subjects with a high educational level or who were schooled at the regular time. Finally, the recruiting of both hemispheres to tackle the language recognition test occurred to a greater degree in the ex-illiterate group where this can be interpreted as a sign of difficulty performing the task. PMID- 29213633 TI - The brain subcortical white matter and aging: A quantitative fractional anisotropy analysis. AB - : To study the integrity of hemispheric subcortical white matter by comparing normal young and elderly subjects using quantitative fractional anisotropy (DTI FA). Methods: Subjects of two different age groups (young=12, elderly=12) were included. MR - GE Signa Horizon - 1.5T scans were performed. Cases with Fazekas scores =3 were assessed on FLAIR sequence. Standard parameters for DTI-FA were used. ROIs were placed at various sites of the subcortical white matter, and the genu and splenium of the midline corpus callosum. Analysis was performed using Functool. Statistics for anterior and posterior white matter, as well as the genu and splenium were compared between the groups. The study was approved by the Ethics Committee of IPUB-UFRJ and informed consent obtained. Results: DTI-FA showed lower anisotropy values in the anterior region (subcortical white matter and genu), but not in the posterior region (subcortical white matter and splenium), in elderly normal subjects compared to young subjects. Conclusion: The results may represent loss of integrity of anterior (frontal) white matter fibers in the elderly subjects. These fibers constitute important intra- and inter hemispheric tracts, components of neural networks that provide cognitive, behavioral, motor and sensory integration. The loss of integrity of the anterior segments of the studied fiber systems with ageing, represents a disconnection process that may underlie clinical manifestations found in elderly subjects such as executive dysfunction. PMID- 29213634 TI - Visuospatial function in early Alzheimer's disease: Preliminary study. AB - : Alzheimer's disease (AD) is the most frequent cause of dementia, accounting for 55% of all cases. AD patients gradually lose functional capacity, manifesting deficits in attention, language, temporal and direction orientation, mood, socialization and visuospatial function. The visuospatial function entails identification of a stimulus and its location. AD patients can present deficits in visuo-spatial skills during initial stages of the disease, but in the course of clinical evolution this function can become severely impaired. One of the neuropsychological tests indicated to evaluate the visuospatial function is the VOSP (The Visual Object and Space Perception Battery). Objectives: The aim of this preliminary study was to detect visuospatial dysfunction in early AD patients using the VOSP, and assess its sensitivity in a Brazilian sample. Results: Controls outperformed AD patients on all neuropsychological evaluations, except the Corsi block tapping task and cancellation task-errors. The AD patients performed significantly worse on all object perception and two space perception (Number Location and Cube Analyses) subtests of the VOSP. Conclusion: The AD patients demonstrated impaired visuospatial function in several aspects. The subtests of the VOSP were found to be sensitive for detecting this impairment in mild cases. PMID- 29213635 TI - Quality of life and Alzheimer's disease: Influence of participation in a rehabilitation center. AB - : Quality of life is seldom explored in evaluations of therapeutic interventions in Alzheimer's disease. Objective: To verify whether participation in a cognitive and functional rehabilitation program improves quality of life (QOL) among Alzheimer's disease (AD) patients. Methods: 19 AD patients participated in this study, 12 of whom attended 24 multi-professional intervention sessions - the experimental group - whereas the remaining 7 comprised the control group. The following tools were used to assess changes: a) Mini-Mental State Examination (MMSE); b) Geriatric Depression Scale (GDS); c) Quality of Life in AD evaluation scale (QOL-AD); d) Open question on QOL. Results: Participation had no positive impact on quantitative clinical variables (MMSE, GDS, QOL-AD). The answers to the open question, examined using the Collective Subject Discourse (CSD) method, suggested that QOL improved after the intervention. Conclusion: Combining pharmacological treatment with psychosocial intervention may prove to be an effective strategy to enhance the QOL of AD patients. PMID- 29213636 TI - Cognitive rehabilitation: Literature review based on levels of evidence. AB - The aim of this study was to review the scientific publications on cognitive rehabilitation in Alzheimer's disease by year published and methodology employed. The principles of systematic review by the Brazilian Cochrane Center were used. Reviews conducted by this Center were identified together with those held on the LILACS and Medline scientific databases. Nine levels of evidence were considered for analysis and a total of 37 articles were found. The results showed a growing number of publications from 2001 onwards, with majority being published early this decade. Few studies have been published on cognitive rehabilitation, with an average of three articles published per year during the study period (1985-2008). The highest levels of evidence were observed in the more recently published studies. Cognitive rehabilitation can yield greater benefits in rehabilitating patients when associated with other forms of intervention. The latest studies demonstrating greater scientific evidence concluded that results remain limited and that further studies on the topic are needed. PMID- 29213637 TI - The "eye sign" due to hemispatial neglect: A case report. AB - Conjugate eye deviation is characterized by a sustained shift in horizontal gaze, usually toward the affected brain hemisphere. When detected on neuroimaging, it is called the "eye sign". It is classically associated with lesions involving the frontal eye fields, ipsilateral to the side of the deviation. Neglect may be conceptualized as a spatially addressed bias of the sensory events in explicit behaviors and in the absence of perceptual and motor deficits. Hemispatial neglect is a common disabling condition that occurs following acute unilateral brain damage, usually to the right side. We report a case of a patient presenting with the "eye sign" on tomography, following an acute subinsular stroke, in the absence of conjugated eyes deviation. Our hypothesis was that the sign may have been due to hemispatial neglect in this patient. The aim of this article was to discuss the mechanisms involved in the attention network and its neuroanatomic correlates. PMID- 29213638 TI - Spreading the news: on the publication of scientific findings. PMID- 29213639 TI - Diffusion tensor imaging for Alzheimer's disease: A review of concepts and potential clinical applicability. AB - In view of the urgent need to identify an early and specific biomarker for Alzheimer's disease (AD), a PubMed database search was performed using the terms "Alzheimer disease" and "Diffusion Magnetic Resonance Imaging" to enable review of Diffusion tensor imaging (DTI) concepts and its potential clinical role in AD evaluation. Detailed analysis of selected abstracts showed that the main DTI measures, fractional anisotropy and apparent diffusion coefficient, indicators of fiber tract integrity, provide a direct assessment of WM fibers and may be used as a new biomarker for AD. These findings were found to correlate with cognitive assessments, rates of AD progression and were also able to differentiate among groups including mild cognitive impairment, AD, and other dementias. Despite several consistent DTI findings in AD patients, there is still a lack of knowledge and studies on the DTI field. DTI is not yet ready for clinical use, and requires extensive further research in order to achieve this goal. PMID- 29213640 TI - A review of Constraint-Induced Therapy applied to aphasia rehabilitation in stroke patients. AB - : Constraint-induced aphasia therapy (CIAT) is an intensive therapy model based on the forced use of verbal oral language as the sole channel of communication, while any alternative communication mode such as writing, gesturing or pointing are prevented. Objectives: This critical review involved the analysis of studies examining CIAT applied to stroke patients. Methods and Results: Using keywords, the Medline database was searched for relevant studies published between 2001 and 2008 (Medline 2001-2008). The critical evaluation of the articles was based on the classifications described by the ASNS (Cicerone adaptation). Two studies were categorized as level Ia, two as level II and one study as level IV. Conclusions: These recommendations should be interpreted with caution, given the small number of studies involved, but serve as a guideline for future studies in aphasia therapy. PMID- 29213641 TI - Cognitive impairment and driving: A review of the literature. AB - Although some drivers with mild dementia may continue to drive after the condition has been diagnosed, the ability to drive a motor vehicle safely is eventually lost as the disease progresses. Clinicians involved in dementia care are often asked to make an assessment on whether a patient is fit to drive, even though they often lack basic knowledge and formal training in this area. The purpose of this review was to identify the factors that may differentiate safe from unsafe drivers with cognitive impairment and to discuss management strategies. Isolated information about staging measures or particular cognitive tests was found to be insufficient for decision making. Driving fitness counseling for patients with cognitive impairment requires a solid knowledge base, comprehensive assessment and thoughtful communication. PMID- 29213642 TI - S-TOFHLA in mild Alzheimer's disease and Mild Cognitive Impairment patients as a measure of functional literacy: Preliminary study. AB - : The greatest difficulty in diagnosing cognitive loss in our population is the diversity of its education which has a broad spectrum ranging from illiteracy, functional illiteracy and different degrees of literacy, even in those with the same level of schooling. Objectives: To verify whether there is impairment on the S-TOFHLA among individuals with AD and MCI compared with healthy controls, and to compare performance on the S-TOFHLA performance with neuropsychological tests and the scores achieved on the Raven's Colored Matrices and Vocabulary and Block Design (WAIS-III) as a measure of estimated intellectual level. Methods: 59 subjects: controls (n=23; age 70.96+/-8.31y; schooling 10.2+/-5.87y; 6 men), MCI patients (n=11; age 74.18+/-8.12y; schooling 7.55+/-4.32y; 5 men) and AD patients (n=25; age 76.16+/-4.96y; schooling 7.32+/-4.78y; 10 men) were submitted to neuropsychological assessment, S-TOFHLA and functional evaluation. Results: Differences on BD, Raven and Estimated IQ were found between controls and MCI patients as well as controls and AD patients. On the S-TOFHLA, differences were found between MCI and AD patients, controls and AD patients, but not between control and MCI groups. S-TOFHLA performance correlated strongly with schooling and all neuropsychological tests, except Clock Drawing. Conclusions: The S-TOFHLA seems to be a useful measure for determining the level of literacy in MCI patients, but not in AD patients. S-TOFHLA performance was more closely associated with neuropsychological test scores than were years of education and seems to be a good predictor of level of literacy. The Vocabulary subtest proved to be uninfluenced by the disease process in early stages and preserved in both MCI and AD patients, showing that semantic memory and crystallized intelligence are preserved. PMID- 29213643 TI - Collage technique may provide new perspectives for Alzheimer patients by exploring messages from their inner world. AB - : Although the collage art technique has been introduced as a psychotherapeutic method, it has not been fully applied in dementia. Objectives: To analyze characteristics of the collage articles produced by patients with Alzheimer's disease (AD). Methods: Twenty AD patients were asked to select and place several clippings as they wished. The MMSE was used for cognitive assessments. Results: Simplification and poor organization in their articles were found. The themes of one patient were found to change according to behavior. We discussed the images of the articles, especially spiritual images in the early stage and family images in the later stage. Conclusions: We concluded that the collage technique could provide new perspectives for dementia patients by exploring messages from their inner world. PMID- 29213644 TI - Time of delirium onset and prognosis amongst Southern Brazilian hospitalized elderly patients. AB - : The prognostic significance of delirium in hospitalized elderly has not yet been fully clarified. Objectives: The present study was designed to evaluate the relationship between prevalent delirium (PrD), incident delirium (InD) and final outcome. Methods: A historical cohort of 261 patients was selected. delirium was diagnosed using the Confusion Assessment Method. Results: The total frequency of delirium detected was 42.5%-31.4% PrD and 16.2% InD. Among patients with InD, the average length of hospital stay was 9.1 days longer than for patients without delirium (p=0.002), and the hospital mortality associated with InD was 48% versus 2.7% for those without delirium (p< 0.001). However, no difference was observed between patients with PrD and those without delirium. Conclusions: These results suggest that, when investigating delirium and prognosis amongst hospitalized elderly, it is fundamental to differentiate in terms of time of onset. Furthermore, the absence of delirium seems to be an important protective factor. PMID- 29213645 TI - Association between cardiovascular disease and dementia. AB - : Longitudinal studies have shown association between cardiovascular risk factors and dementia. However, these studies are not capable of detecting asymptomatic cardiovascular alterations and thus may provide erroneous estimates of association. Autopsy studies could be more useful in elucidating these questions. The present clinicopathological study sought to examine the relationship between dementia, cardiovascular risk factors and disease. Methods: 603 subjects, who underwent autopsy, were classified regarding the presence of dementia, according to post mortem cognitive classification. Demographics, cardiovascular risk factors, and anatomically-proven cardiovascular disease (myocardial hypertrophy, cerebral and carotid atherosclerosis) were compared among cognitively normal persons and individuals with dementia. Results: Cognitive deficit was associated with advanced age, stroke, physical inactivity and low body mass index (p< 0.05). Circle of Willis atherosclerosis was greater in patients with dementia than in controls on univariate analysis (p=0.01). However, this association lost significance when adjusted by age and gender (p=0.61). Heart failure and anatomopathological cardiac parameters were more severe in the control group than in demented individuals (p< 0.05). Carotid artery atherosclerosis and intima media thickness were similar in both groups. Conclusion: Advanced age, stroke, physical inactivity and low body mass index were linked to dementia. Circle of Willis atherosclerosis was associated with dementia only when age was not considered. Our results suggest that cerebral artery atherosclerosis was not directly associated with clinical expression of dementia. PMID- 29213646 TI - Semantic Verbal Fluency test in dementia: Preliminary retrospective analysis. AB - : The Semantic Verbal Fluency (SVF) test entails the generation of words from a given category within a pre-set time of 60 seconds. Objectives: To verify whether socio-demographic and clinical data of individuals with dementia correlate with the performance on the SVF test and to ascertain whether differences among the criteria of number of answers, clusters and data spread over the intervals, predict clinical results. Methods: This was a retrospective study of 49 charts of demented patients classified according to the Clinical Dementia Rating (CDR) scale. We correlated education, age and gender, as well as CDR and Mini-Mental State Exam (MMSE) scores with the number of answers, clustering and switching distributed over four 15-second intervals on the SVF test. Results: The correlation between number of answers and quartiles was weak (r=0.407, p=0.004; r=0.484, p< 0.001) but correlation between the number of clusters and responses was strong (r=0.883, p< 0.001). The number of items on the SVF was statistically significant with MMSE score (p=0.01) and there was a tendency for significance on the CDR (p=0.06). The results indicated little activity regarding what we propose to call cluster recalling in the two groups. Discussion: The SVF test, using number of items generated, was found to be more effective than classic screening tests in terms of speed and ease of application in patients with CDR 2 and 3. PMID- 29213647 TI - Brazilian caregiver version of the Apathy Scale. AB - : No Brazilian version of a specific scale for evaluating apathy in dementia is available. Objectives: To introduce a translated version of the Apathy Scale (AS) for use with caregivers. Methods: The instrument was formally translated and then administered to the caregivers of a small sample of dementia patients, in order to assess scale comprehensibility and make final adjustments. The scale was subsequently administered to the caregivers of a second, independent sample of Alzheimer's disease (AD) patients. The content validity of the scale was tested by correlating the AS scores with the Neuropsychiatric Inventory (NPI) - apathy sub-score and Disability Assessment in Dementia (DAD) total scores. Results: The first sample consisted of eleven subjects with dementia, most of whom had AD. The second sample comprised twenty patients with probable or possible AD (10 with mild dementia), a mean age of 84.1+/-5.8 years, and 2.2+/-1.6 years of schooling. The AS scores correlated with both NPI-apathy sub-score (r=0.756, p=0.001) and DAD total scores (r=-0.793, p=0.0005). Conclusions: The final version had good comprehensibility and correlated strongly with standardized apathy and functional activities of daily living measures. PMID- 29213648 TI - The abbreviated form of the Brief Cognitive Battery in the diagnosis of dementia in Alzheimer's disease. AB - : The Brief Cognitive Battery (BCB) developed by our group for cognitive assessment of low educated individuals has also shown to be highly accurate in diagnosing dementia of individuals with medium or high levels of education, making it a useful tool for populations with heterogeneous educational background. The application of BCB takes around eight minutes, a rather long period for a screening test. Objectives: Our aim was to evaluate whether the exclusion of items of the BCB could reduce its application time without losing accuracy. Methods: Patients with Alzheimer's disease with mild or moderate dementia (N=20), and 30 control subjects were submitted to an abbreviated version of the BCB in which the clock drawing test was not included as an interference test for the delayed recall test. Data from another 22 control individuals who were submitted to the original BCB in another study were also included for comparison. A mathematical formula was employed to compare the two versions of the BCB. Descriptive statistics and ROC (receiver operator characteristic) curves were used (alpha=0.05). Results: Using the abbreviated version, the delayed recall test also had high accuracy in diagnosing dementia and the mathematical formula results did not differ to those obtained using the original version, while mean time was reduced by 2 minutes and 37 seconds. Conclusions: This abbreviated form of the BCB is a potentially valuable tool for screening dementia in population studies as well as in busy clinical practices in countries with heterogeneous educational backgrounds. PMID- 29213649 TI - Accuracy of neuropsychological tests and the Neuropsychiatric Inventory in differential diagnosis between Frontotemporal dementia and Alzheimer's disease. AB - : The differential diagnosis between frontotemporal dementia (FTD) and Alzheimer's disease (AD) is sometimes difficult. Objectives: To verify the accuracy of neuropsychological tests and a behavioral disorders scale in the differential diagnosis between FTLD and AD. Methods: Retrospective data on 12 FTD patients and 12 probable AD patients were analyzed. The scores on neuropsychological tests (MMSE score, reverse digit span, delayed recall for drawings, semantic fluency of animals) and the Neuropsychiatric Inventory (NPI) in both groups were compared. Results: Both groups had similar performance on neuropsychological tests. All FTD patients and 50% of AD patients had neuropsychiatric abnormalities. The NPI score was 58.0+/-19.3for the FTD patients, and 3.6+/-4.7for the AD patients (p< 0.01). Using a NPI cut-off score of 13, the sensitivity and specificity were 100% in this sample. The four most common neuropsychiatric disturbances in FTD patients were: apathy, aberrant motor behavior, disinhibition and eating abnormalities. Apathy and dysphoria/depression were the most common behavioral symptoms among the AD patients. Conclusions: In this study, NPI was found to be a useful tool for the differential diagnosis between FTD and AD. The neuropsychological tests commonly used in the medical office were unable to distinguish between the two groups. PMID- 29213650 TI - Characteristics of falls in mild and moderate Alzheimer's disease. AB - : The occurrence of falls in AD patients is frequent, and their consequences are cognitive decline, fractures and loss of independence. Many studies have addressed fall risk factors in order to establish effective prevention strategies. Objectives: We describe the frequency and characteristics of falls in a sample of AD patients and their main risk factors. Methods: We evaluated 40 subjects without cognitive impairment, and 45 AD patients, graded as CDR 1 and CDR 2. Results: Environmental hazard risks were the most frequent cause associated with falls in CDR 1 (41.4%) and CDR 2 (46.7%). Instability (31%) and dizziness (17.2%) were frequent causes of falls in the CDR 1 group, and this group showed the highest rate of recurrence (28%). In both groups of AD patients, indoors falls predominated (70.3 and 80% respectively for CDR 1 and 2). In our sample, the remaining factors studied were not associated with increasing risk for falls. Conclusions: These results reinforce the hypothesis that falls in AD are mutifactorial and that their risk factors are highly interconnected. Preventative strategies considering all aspects should be implemented most crucially eliminating environmental risks, maintaining constant presence of caregivers, and providing physical and functional stimulation, both in mild and moderate AD. PMID- 29213651 TI - Heterogeneity of cognitive aging in Brazilian normal elderls. AB - : With aging, several cognitive skills inevitably decline. However, cognitive losses do not occur homogenously in all elderly people, differing in number and severity of affected cognitive functions. These differences could be exacerbated by socioeconomic differences in a developing country like Brazil. Objectives: to characterize the cognitive functioning of healthy elderly subjects whose socioeconomic conditions differ to those of other studies. Methods: 60 elderly subjects with a mean age of 68 years, 43 women and 17 men, and mean schooling of 7.1 years, were studied. The cognitive function of this group was assessed using the following neuropsychological tests: Mattis Dementia Rating Scale (MDRS), Stroop Test, Verbal Fluency, Wisconsin Card Sorting Test (WCST), Rey Complex Figure, Vocabulary - Wais - III, Logical Memory (WMS-R), Visual Reproduction (WMS R), and Rey Auditory-Verbal Learning Test (RAVLT). The neuropsychological data were submitted to Multivariate cluster analysis using SAS - Proc Cluster software and the complete binding hierarchical method. Results: Variability was found allowing classification of the studied group into 4 clusters of individuals who had above-average (C1), average (C3 and C4) and below average (C2) performance. Schooling determined the results obtained, with less educated subjects showing poorer performance than higher-educated subjects. Conclusions: Significant differences in the process of cognitive aging were detected on neuropsychological tests in this group of healthy elderly from the developing country of Brazil, where socioeconomic differences may exacerbate cognitive differences among older adults. PMID- 29213653 TI - Classification of journals in the QUALIS System of CAPES - URGENT need of changing the criteria! PMID- 29213652 TI - Non-inflammatory cerebral amyloid angiopathy as a cause of rapidly progressive dementia: A case study. AB - A 77 year-old men developed a subacute-onset, rapidly progressive cognitive decline. After 6 months of evolution, he scored 6 on the Mini-Mental State Examination and had left hemiparesis and hemineglect. The patient died 11 months after the onset of cognitive symptoms. Brain MRI showed microhemorrhages on gradient-echo sequence and confluent areas of white matter hyperintensities on T2 weighted images. Brain biopsy revealed amyloid-beta peptide deposition in vessel walls, some of them surrounded by micro-bleeds. In this case report, we discuss the role of cerebral amyloid angiopathy (CAA) in cognitive decline, due to structural lesions associated with hemorrhages and infarcts, white matter lesions and co-morbidity of Alzheimer's disease, as well as the most recently described amyloid angiopathy-related inflammation. PMID- 29213654 TI - Vascular cognitive impairment (VCI): Progress towards knowledge and treatment. AB - Until recently, the study of cognitive impairment as a manifestation of cerebrovascular disease (CVD) has been hampered by the lack of common standards for assessment. The term vascular cognitive impairment (VCI) encompasses all levels of cognitive decline associated with CVD from mild deficits in one or more cognitive domains to crude dementia syndrome. VCI incorporates the complex interactions among classic vascular risk factors (i.e. arterial hypertension, high cholesterol, and diabetes), CVD subtypes, and Alzheimer's Disease (AD) pathology. VCI may be the earliest, commonest, and subtlest manifestation of CVD and can be regarded as a highly prevalent and preventable syndrome. However, cognition is not a standardized outcome measure in clinical trials assessing functional ability after stroke. Furthermore, with the exception of anti hypertensive medications, the impact of either preventive or acute stroke treatments on cognitive outcome is not known. Although clinical, epidemiological, neuroimaging, and experimental data support the VCI concept, there is a lack of integrated knowledge on the role played by the most relevant pathophysiological mechanisms involved in several neurological conditions including stroke and cognitive impairment such as excitotoxicity, apoptosis, mitochondrial DNA damage, oxidative stress, disturbed neurotransmitter release, and inflammation. For this reason, in 2006 the National Institute of Neurological Disorders and Stroke (NINDS) and the Canadian Stroke Network (CSN) defined a set of data elements to be collected in future studies aimed at defining VCI etiology, clinical manifestations, predictive factors, and treatment. These recommendations represent the first step toward developing diagnostic criteria for VCI based on sound knowledge rather than on hypotheses. The second step will be to integrate all studies using the agreed methodologies. This is likely to accelerate the search for answers. PMID- 29213656 TI - Effects of intrahippocampal administration of the phosphatase inhibitor okadaic acid: Dual effects on memory formation. AB - : Protein phosphorylation mediated by serine-threonine kinases in the hippocampus is crucial to the synaptic modifications believed to underlie memory formation. The role of phosphatases has been the focus of comparatively little study. Objectives: Here we evaluate the contribution of the serine-threonine protein phosphatases 1 and 2A (PP1, PP2A) on memory consolidation. Methods: We used immediate post-training bilateral hippocampal infusions of okadaic acid (OA, 0.01 and 10 pmol/side), a potent inhibitor of PP1 and PP2A, and measured short- [3 h] and long-term memory [24 h] (STM, LTM) of step-down inhibitory avoidance. Results: At the lower dose, OA inhibited both STM and LTM whereas at the higher dose it instead enhanced LTM. Pre-test infusion of these two doses of OA had no effect on retrieval. Conclusions: These two doses of OA are known to selectively inhibit PP1 and PP2A respectively. These findings point to the importance of these enzymes in memory formation and also suggest a deleterious influence of endogenous hippocampal PP2A on LTM formation. PMID- 29213655 TI - Cognition and chronic hypoxia in pulmonary diseases. AB - : Lung disease with chronic hypoxia has been associated with cognitive impairment of the subcortical type. Objectives: To review the cognitive effects of chronic hypoxia in patients with lung disease and its pathophysiology in brain metabolism. Methods: A literature search of Pubmed data was performed. The words and expressions from the text subitems including "pathophysiology of brain hypoxia", "neuropsychology and hypoxia", "white matter injury and chronic hypoxia", for instance, were key words in a search of reports spanning from 1957 to 2009. Original articles were included. Results: According to national and international literature, patients with chronic obstructive pulmonary disease and sleep obstructive apnea syndrome perform worse on tests of attention, executive functions and mental speed. The severity of pulmonary disease correlates with degree of cognitive impairment. These findings support the diagnosis of subcortical type encephalopathy. Conclusion: Cognitive effects of clinical diseases are given limited importance in congresses and symposia about cognitive impairment and its etiology. Professionals that deal with patients presenting cognitive loss should be aware of the etiologies outlined above as a major cause or potential contributory factors, and of their implications for treatment adherence and quality of life. PMID- 29213657 TI - Role of cognitive reserve in progression from mild cognitive impairment to dementia. AB - : Cognitive reserve is the ability to optimize performance through differential recruitment of brain networks, which may reflect the use of alternative cognitive strategies. Objectives: To identify factors related to cognitive reserve associated with progression from mild cognitive impairment (MCI) to degenerative dementia. Methods: A cohort of 239 subjects with MCI (age: 72.2+/-8.1 years, 58% women, education: 12 years) was assessed and followed for five years (2001 to 2006). Results: In the first year, 13.7% of MCI converted to dementia and 34.7% converted within three years (78.3% converted to Alzheimer's dementia). Risk factors for those who converted were education less than 12 years, MMSE score less than 27, Boston naming test score less than 51, IQ (Intelligence Quotient) less than 111, age over 75 years, lack of occupation at retirement, and presence of intrusions in memory recall (all account for 56% of the variability of conversion). Conclusions: MCI patients are a population at high risk for dementia. The study of risk factors (e.g. IQ, education and occupation), particularly those related to cognitive reserve, can contribute important evidence to guide the decision-making process in routine clinical activity and public health policy. PMID- 29213658 TI - The Mini Mental State Examination: Review of cutoff points adjusted for schooling in a large Southern Brazilian sample. AB - : The increase in life expectancy can influence the prevalence of dementias in the population. Instruments that evaluate cognitive functions such as the Mini Mental State Examination (MMSE) are necessary for the investigation of dementia. The supposition that patient score on the MMSE can be influenced by academic level points to the need for establishing cut-off values that take into account educational level. The aim of this study was to review MMSE cut-off values adjusted for schooling in a large southern Brazilian sample. Method: Demographic data and MMSE scores of 968 subjects, of which 162 were dementia patients and 806 healthy participants, were analyzed. The sample was grouped according to education. The cut-off values were established by ROC Curve analysis. Results: The total sample mean age was 70.6+/-7.3 years, and the mean years of education was 7.2+/-5.3. The cut-off score of 23 points (sensitivity=86%, specificity=83%) was observed as the optimal level to detect dementia on the MMSE instrument for the overall sample. Regarding level of schooling, the cut-off values were: 21 for the illiterate group (sensitivity=93%, specificity=82%), 22 for the low education group (sensitivity=87%, specificity=82%), 23 for the middle education group (sensitivity=86%, specificity=87%) and 24 for the high education group (sensitivity=81%, specificity=87%). Conclusions: The cut-off values revealed by this analysis, and adjusted for level of schooling, can improve the clinical evaluation of cognitive deficits. PMID- 29213659 TI - Clinical and demographic characteristics of elderly patients with dementia assisted at an outpatient clinic in Southern Brazil. AB - : The aging of the population is a worldwide phenomenon, where 60% of elders live in developing areas of the world such as Brazil, regions in which few studies have been carried out. Objectives: The goal of this study was to evaluate the clinical and demographic profile of patients with dementing disorders seen at a specialized outpatient clinic in South Brazil. Methods: A sample of 105 demented patients seen at the Dementia Outpatient Clinic from Hospital de Clinicas de Porto Alegre (HCPA), Brazil between June 2004 and June 2008. Evaluation of patients consisted of medical history, cognitive testing, assessment of functional status (Activities of Daily Living Scale - ADL; Instrumental Activities Daily Living - IADL) and application of the Neuropsychiatry Inventory (NPI) for behavioral symptoms. Severity of dementia was evaluated based on the CDR scale. All patients underwent laboratory screening tests and brain imaging exams to define etiology of dementia. Results: Of the whole sample, 71% were female. Age was 79+/-8 years (mean+/-SD). Educational level was 4+/-3 years (mean+/-SD). Sixty-four patients (60%) presented the diagnosis of Alzheimer's disease. Of the whole sample, 26.7% were classified as CDR=1, 44% as CDR=2 and 29. 3% as CDR=3. A significant difference on the Mini Mental State Examination (MMSE) and functional status scores was observed among the CDR categories (severity). No significant association was found between severity and impairment on memory tests and behavioral symptoms. Conclusions: Alzheimer's disease was the most common etiology, followed by vascular dementia. At diagnosis, most patients presented mild to moderate severity of dementia, independent of cause. PMID- 29213660 TI - The influence of neuropsychiatric and functional changes on quality of life in Alzheimer's disease. AB - : To investigate the influence of neuropsychiatric manifestations and functional performance on quality of life (QOL) of AD patients and their caregivers/family members. Methods: The QOL-AD scale, Mini-Mental State Examination (MMSE), Geriatric Depression Scale (GDS), Cornell and Beck Scales for Depression, Physical and Instrumental-Self Maintenance scales (AIDL and ADL) and the Neuropsychiatric Inventory (NPI) were applied to 60 patients with probable AD, mild (n=30) or moderate (n=30) dementia, according to NINCDS-ADRDA and DSM-III-R criteria, respectively, and to their caregivers/family members. The total scores on the three QOL-AD versions were correlated with the measures previously mentioned. Results: The QOL-AD patients' version displayed significant correlations with GDS (-0.76 p<0.01), Cornell (-0.53 p<0.01) and NPI (-0.46 p<0.05) in the mild dementia subgroup. The caregivers' version about patients' QOL correlated with GDS (-0.48 p<0.01), Cornell (-0.57 p<0.01), NPI (-0.46 p<0.01) and AIDL (-0.36 p<0.05), while the caregivers' version about their own QOL was significantly correlated with NPI (-0.43 p<0.01), AIDL (-0.35 p<0.05) and Beck Depression (-0.67 p<0.01). In the moderate dementia subgroup, significant correlations were observed with GDS (-0.45 p<0.05) and Cornell (-0.46 p<0.01). For the caregivers' version about patients' QOL, significant correlations emerged with Cornell (-0.68 p<0.01), NPI (-0.67 p<0.01), AIDL (-0.41 p<0.05), ADL (-0.49, p<0.01) and Beck Depression (-0.33 p<0.05). For the caregivers' version about their own QOL, significant correlations with Beck Depression (-0.54 p<0.01) and ADL (-0.38, p<0.05) were found. Conclusion: The symptoms presented in AD affected the QOL in patients and caregivers/family members in both mild and moderate dementia. PMID- 29213661 TI - Subjective memory complaints in the elderly may be related to factors other than cognitive deficit. AB - : Prevalence of subjective memory complaints (SMC) in elderly community dwellers (ECD) ranges from 25 to 50%. Some controversy exists over the association between SMC and cognitive status. Objective: We investigated whether a correlation in cognitive performance existed between two different groups according to SMC. Methods: The Mini Mental State Examination (MMSE) and Dementia Rating Scale Mattis (DRS-Mattis) were applied to two groups: ECD (n=14) with SMC and residents (n=14) of a long-term care facility (LTCF) without SMC. Results: The median age in the ECD group was 81.0 years, and in the LTCF group was 75.0 years. There was a statistically significant difference (p=0.048) between these groups regarding age. Concerning schooling (1-8 or >=9 years), there was no statistically significant difference between the groups (p=0.638). No statistically significant difference between the two groups was found for scores on the cognitive tests. Conclusion: SMC might be related to extrinsic factors other than insipient cognitive decline. PMID- 29213662 TI - Phonological analysis of substitution errors of patients with apraxia of speech. AB - : The literature on apraxia of speech describes the types and characteristics of phonological errors in this disorder. In general, phonemes affected by errors are described, but the distinctive features involved have not yet been investigated. Objective: To analyze the features involved in substitution errors produced by Brazilian-Portuguese speakers with apraxia of speech. Methods: 20 adults with apraxia of speech were assessed. Phonological analysis of the distinctive features involved in substitution type errors was carried out using the protocol for the evaluation of verbal and non-verbal apraxia. Results: The most affected features were: voiced, continuant, high, anterior, coronal, posterior. Moreover, the mean of the substitutions of marked to markedness features was statistically greater than the markedness to marked features. Conclusions: This study contributes toward a better characterization of the phonological errors found in apraxia of speech, thereby helping to diagnose communication disorders and the selection criteria of phonemes for rehabilitation in these patients. PMID- 29213663 TI - The relationship between severity of apraxia of speech and working memory. AB - : Based on previously observed relationships between working memory (WM) and speech, the current study investigated the relationship between degree of oral apraxia (AOS) and WM capacity. Methods: This study involved assessment and classification of degree of apraxia of speech in 22 apraxic participants and evaluation of WM capacity using digit span and word-list repetition tests. Both tests were able to assess the phonoarticulatory loop, while the Rey Auditory Verbal Learning Test investigated the phonoarticulatory loop and the episodic buffer. Results: Independently from the degree of apraxia of speech, all of participants presented compromise in WM. Conclusions: The data presented might suggest that individuals with AOS typically have WM impairment, but it is still not clear if the severity of AOS is related to WM capacity. Future studies could verify the relationship between the severity of apraxia and the severity of WM deficits. PMID- 29213664 TI - Efficacy and safety of brand-risperidone versus similar-risperidone in elderly patients with neuropsychiatric disorders: A retrospective study. AB - : To compare the efficacy and tolerability of brand-risperidone against similar risperidone in elderly outpatients. Method: The medical files of 16 elderly outpatients from the IPq-HCFMUSP treated with two formulations of risperidone (brand and similar) between July/1999 and February/2000 were reviewed. Two independent raters, using the Clinical Global Impression scale, evaluated the efficacy of the treatment with risperidone and the frequency of adverse effects. Results: Comparing October/1999 to November/1999, Rater 1 observed a trend (p=0.059) and Rater 2 found a statistically significant difference, in favor of the brand-risperidone group (p=0.014). Comparing October/1999 to February/2000, Rater 1 observed no statistically significant difference (p=0.190), but the Rater 2 found a statistically significant difference in favor of the brand-risperidone group (p=0.029). Comparing November/1999 to February/2000, both raters found no statistically significant differences between both risperidone formulations. Regarding adverse effects, a statistically significant difference (p=0.046) was found in favor of the patients treated with brand-risperidone. Conclusions: The risperidone-reference, compared to similar-risperidone, showed a trend toward greater efficacy and tolerability. PMID- 29213665 TI - Progressive posterior cortical dysfunction. AB - Progressive posterior cortical dysfunction (PPCD) is an insidious syndrome characterized by prominent disorders of higher visual processing. It affects both dorsal (occipito-parietal) and ventral (occipito-temporal) pathways, disturbing visuospatial processing and visual recognition, respectively. We report a case of a 67-year-old woman presenting with progressive impairment of visual functions. Neurologic examination showed agraphia, alexia, hemispatial neglect (left side visual extinction), complete Balint's syndrome and visual agnosia. Magnetic resonance imaging showed circumscribed atrophy involving the bilateral parieto occipital regions, slightly more predominant to the right. Our aim was to describe a case of this syndrome, to present a video showing the main abnormalities, and to discuss this unusual presentation of dementia. We believe this article can contribute by improving the recognition of PPCD. PMID- 29213667 TI - In the June 2010 issue. PMID- 29213666 TI - Dementia in Fragile X-associated Tremor/Ataxia Syndrome. AB - Fragile X-associated tremor/ataxia syndrome (FXTAS) is a cause of movement disorders and cognitive decline which has probably been underdiagnosed, especially if its prevalence proves similar to those of progressive supranuclear palsy and amyotrophic lateral sclerosis. We report a case of a 74-year-old man who presented with action tremor, gait ataxia and forgetfulness. There was a family history of tremor and dementia, and one of the patient's grandsons was mentally deficient. Neuropsychological evaluation disclosed a frontal network syndrome. MRI showed hyperintensity of both middle cerebellar peduncles, a major diagnostic hallmark of FXTAS. Genetic testing revealed premutation of the FMR1 gene with an expanded (CGG)90 repeat. The diagnosis of FXTAS is important for genetic counseling because the daughters of the affected individuals are at high risk of having offspring with fragile X syndrome. Tremors and cognitive decline should raise the diagnostic hypothesis of FXTAS, which MRI may subsequently reinforce, while the detection of the FMR1 premutation can confirm the condition. PMID- 29213668 TI - Cognitive impairment in clinically isolated syndrome: A systematic review. AB - : The pattern of cognitive abnormalities in multiple sclerosis (MS) has been extensively studied and well characterized. However, little is known about the cognitive involvement in patients with the clinically isolated syndrome (CIS). Objectives: To perform a systematic review of the results of the studies on cognitive dysfunction in CIS patients. Methods: Cochrane, Lilacs, PubMed/Medline and SciELO databases were searched for studies involving patients with clinically isolated syndrome submitted to neuropsychological evaluation. Results: Seven studies fulfilled the selection criteria adopted in this review. The pattern of cognitive abnormalities in CIS resembles that found in patients with MS and is characterized by attention deficit, reduced information processing speed and impaired working memory and executive functions. The frequency of cognitive impairment in CIS seems to be lower than in MS. Conclusions: Cognition should be evaluated in patients with CIS. Future studies are required to evaluate the impact of cognitive abnormalities and to correlate them with axonal damage findings in patients with CIS. PMID- 29213669 TI - Episodic memory, concentrated attention and processing speed in aging: A comparative study of Brazilian age groups. AB - : Neuropsychological studies on the processing of some specific cognitive functions throughout aging are essential for the understanding of human cognitive development from ages 19 to 89. Objectives: This study aimed to verify the occurrence of differences in the processing of episodic memory, concentrated attention and speed of attentional processing among four age groups of adults. Methods: A total of 136 neurologically healthy adults, aged 19-89, with 9 or more years of schooling, took part in the study. Participants were divided according to four age groups: young, middle-aged, elderly and oldest old adults. Subtests of the Brief Neuropsychological Evaluation Instrument (NEUPSILIN) were applied for the cognitive assessment. Mean score of corrected answers and of response times were compared between groups by means of a one-way ANOVA test with post-hoc Scheffe procedures and ANCOVA including the co-variables of years of schooling and socio-economical scores. Results: In general, differences in performance were observed from 60 years old on. Only the episodic memory task of delayed recall reflected differences from the age of around 40 onwards and processing speed from around the age of 70 onwards. Thus, differences were found between the age groups regarding their cognitive performance, particularly between young adults and elderly adults, and young adults and oldest old adults. Conclusions: Our research indicates that the middle-aged group should be better analyzed and that comparative cross-sectional studies including only extreme groups such as young and elderly adults are not sufficient. PMID- 29213670 TI - Analysis of error type and frequency in apraxia of speech among Portuguese speakers. AB - : Most studies characterizing errors in the speech of patients with apraxia involve English language. Objectives: To analyze the types and frequency of errors produced by patients with apraxia of speech whose mother tongue was Brazilian Portuguese. Methods: 20 adults with apraxia of speech caused by stroke were assessed. The types of error committed by patients were analyzed both quantitatively and qualitatively, and frequencies compared. Results: We observed the presence of substitution, omission, trial-and-error, repetition, self correction, anticipation, addition, reiteration and metathesis, in descending order of frequency, respectively. Omission type errors were one of the most commonly occurring whereas addition errors were infrequent. These findings differed to those reported in English speaking patients, probably owing to differences in the methodologies used for classifying error types; the inclusion of speakers with apraxia secondary to aphasia; and the difference in the structure of Portuguese language to English in terms of syllable onset complexity and effect on motor control. Conclusions: The frequency of omission and addition errors observed differed to the frequency reported for speakers of English. PMID- 29213671 TI - Distinct attitudes of professionals from different medical specialties toward autonomy and legal instruments in the assessment of patients with Alzheimer's disease. AB - : The evaluation of competence of Alzheimer's disease (AD) patients to assume personal or collective responsibilities and the resulting legal implications is a relevant issue. Objectives: The aim of this study was to evaluate the attitudes of different medical specialists towards the disability of patients with Alzheimer's disease and practitioners' competence to interfere with decision making autonomy. Methods: Professionals from different areas (Neurology, Psychiatry, Geriatrics, and General Practice) were interviewed by one of the authors, after being presented a fictitious clinical case which raised several topics, namely:[1] Critical judgment and capacity of the patient to take decisions related to daily activities;[2] The role of family physicians in nominating trustees and caregivers. Results: Answers to the first question did not differ regarding degree of preservation of awareness but at least 25% stressed that the patient must be carefully listened to, independent of caregiver or legal representative opinion. There were significant knowledge gaps in responses to the second question. Half of the physicians interviewed did not have adequate information about the legal aspects of caring for patients with Alzheimer's disease. Conclusions: Legal aspects is a topic that must be incorporated into professional training in order to improve attitudes toward the long-term management of patients with dementia. PMID- 29213672 TI - Correlation between hippocampal volumes and proton magnetic resonance spectroscopy of the posterior cingulate gyrus and hippocampi in Alzheimer's disease. AB - : Prior studies have reported hippocampal volume loss, decrease in N Acetylaspartate (NAA) concentration and increased myo-inositol (mI) concentration in patients with Alzheimer's disease (AD). The purpose of this study was to evaluate hippocampal volumes of AD patients and their correlation with metabolic changes detected by proton spectroscopy (1H MRS) of hippocampal formations and the posterior cingulate region. Materials and Methods: 22 patients with probable AD (18 mild, 4 moderate) and 14 elderly controls without cognitive symptoms, were enrolled in the study. Hippocampal volumetric measurements, single-voxel 1H MRS of the posterior cingulate region and of hippocampal formations were obtained. The following metabolite ratios were evaluated: NAA/Cr, mI/Cr, mI/NAA. Statistical analysis was performed to detect differences and correlations between these parameters in patients and controls. Results: The hippocampal volume of patients and controls did not differ significantly. The results of 1H MRS differed significantly between patients and controls in the hippocampal formations (mI/Cr, mI/NAA) and posterior cingulate region (NAA/Cr, mI/Cr, mI/NAA). The best predictor of AD diagnosis was NAA/Cr in the posterior cingulate region, having a sensitivity of 0.899 and specificity of 0.800. There was no correlation between hippocampal volumes and the results of 1H MRS in patients with AD. Conclusions: The results of 1H MRS differed significantly between patients and controls in hippocampal formations and the posterior cingulate region, with NAA/Cr proving to be the best predictor for AD. No correlation between hippocampal volumes and the results of 1H MRS in patients with AD was observed. PMID- 29213673 TI - Effects of cognitive training based on metamemory and mental images. AB - : There is scant research evidence regarding training effects among elderly with limited educational experience. Research indicating an association between metamemory and memory performance is based on samples of older adults with at least 12 years of education. Objectives: To test the efficacy of a cognitive training program based on the creation of mental images and changes in specific aspects of metamemory in individuals with 3 to 15 years of education (M=8.38, SD=4.24). Methods: 37 older adults participated in five training sessions (Training Group (TG)) and 32 control subjects completed only pre and post test assessments (Control Group (CG)) including the Mini Mental Status Examination (MMSE), the Geriatric Depression Scale (GDS), the Brief Cognitive Screening Battery (BCSB)(naming and memorization of 10 pictures, animal category verbal fluency test, the Clock Drawing Test (CDT)), the Story subtest from the Rivermead Behavioural Memory Test (RBMT), the Memory Complaint Questionnaire (MAC-Q), and the Picture and Story domains from the Memory Self-Efficacy Questionnaire (MSEQ). Results: The TG showed significant improvement between pre and post tests on the delayed recall of the 10 pictures and in self-efficacy for the memorization of stories. These same changes were not found in the CG. Conclusions: Five-session cognitive training may lead to significant improvements in episodic memory and memory self-efficacy, an aspect of metamemory, in individuals with an average of 8 years of education. PMID- 29213674 TI - Mini-Mental State Examination among lower educational levels and illiterates: Transcultural evaluation. AB - : Cognitive performance among illiterates and low educational levels is poorer than that observed in individuals with greater schooling. This difference can be a confounding factor in reaching an accurate diagnosis of cognitive impairment. In addition, there is great heterogeneity in performance among illiterates, probably due to different environmental demands and sociocultural backgrounds. Many reports have described the influence of education on neuropsychological measures and screening tests such as the Mini-Mental State Examination (MMSE). Objectives: To analyze performance in two samples with the same educational level, but different social and cultural backgrounds. Methods: Subjects from two different locations in Brazil (rural sample from Northern region and urban sample residing in the largest city of the Southeastern region) were matched for age and education, and submitted to the MMSE. Results: Significant differences between the groups were found in total scores on the MMSE and in temporal orientation and serial-sevens sub-items for which the urban sample performed best but analysis of illiterates alone yielded the same results, except for the copying pentagons task which was performed better by the rural sample. Conclusions: Cultural and social backgrounds, as well as demands from the environment, influence results of screening tests. Factors other than education must be taken into account when analyzing tests. PMID- 29213675 TI - The influence of schooling on performance in the Mattis Dementia Rating Scale (DRS). AB - : Studies have shown the influence of schooling on performance in the Dementia Rating Scale (DRS), suggesting that a single cut-off score is not appropriate for all groups of elderly people. Objectives: To verify the influence of schooling on the DRS in a Brazilian elderly population. Methods: The DRS was applied to 118 cognitively healthy controls and to 97 patients with mild probable Alzheimer's disease (AD). In order to analyze the influence of education, patients and controls were divided into four groups of schooling (GRSC): GRSC 1 with 1 to 4 years of schooling, GRSC 2 with 5 to 8 years of schooling, GRSC 3 with 9 to 11 years of schooling, and GRSC 4 with more than 11 years of schooling. Results: In the intragroup analysis, the performance of controls within each schooling group was compared, revealing a significant difference on total score and the subscales Attention, I/P and Conceptualization. The same procedure was used for the AD patients and a significant difference was observed for total score and the subscales Attention, Construction, Conceptualization and Memory. In the intergroup analysis, the results on total DRS and for the I/P, Conceptualization and Memory subscales showed significant differences in GRSC 1, 2, 3 and 4. The Attention subscale showed differences in GRSC 3 and 4, and on the Construction subscale in GRSC 1 and 4. Conclusions: The results highlight the importance of norms for the DRS in the Brazilian population that take into account the effects of schooling on the scores of this scale. PMID- 29213676 TI - Parkinson's disease: Impact of clinical and cognitive aspects on quality of life. AB - : Parkinson's disease (PD) is a chronic disease manifested principally by motor signs and symptoms, but with frequent neuropsychological alterations. Objectives: To study the relationship between clinical and cognitive aspects and the perception of quality of life (QOL) in PD patients. Methods: Twenty consecutive patients (13 men) with idiopathic PD (mean age: 64.5y), mean disease time of 7.8 years and at stages 1-3 according to the modified Hoehn and Yahr staging scale (HYS), all outpatients from the Neurology Department of the Celso Pierro General and Maternity Hospital (PUC-Campinas), were analyzed. The following were applied: a clinical-neurological assessment, the Mini-Mental State Examination (MMSE), standard neuropsychological battery of the CERAD (Consortium to Establish a Registry for Alzheimer's Disease), Hamilton Depression Rating Scale (HAM-D) and a QOL questionnaire (Parkinson's Disease Questionnaire - PDQ-39). Statistical analysis was carried out at a significance level of p<0.05. Results: On the PDQ 39 under the sections total, mobility and activities of daily living, and the items motor compromise (HYS) and language of the MMSE were predictors of worse QOL. Verbal fluency was a factor for emotional well-being on the PDQ-39, whereas higher scores for HAM-D and worse performance on the item attention and calculation of the MMSE were associated with worse QOL in the social support section. Total score on the MMSE and educational level were QOL factors in cognition. Conclusions: The findings of the present study suggest that clinical, cognitive, motor or other depression-related factors contribute differently to the domains of QOL. PMID- 29213679 TI - In the September 2010 issue. PMID- 29213678 TI - Oral infections and orofacial pain in Alzheimer's disease: Case report and review. AB - Dental infections, frequent in the general population, are a common cause of inflammation with systemic impact, and are the most common cause of orofacial pain. Temporomandibular disorders are also frequent in the elderly and represent an important cause of secondary headache. Both inflammation and pain can also contribute to cognitive, functional and behavioral impairment of the elderly and aggravate symptoms of patients with Alzheimer's disease (AD). We report a case of a 74-year-old woman with AD and chronic facial pain who had a significant improvement in functional activities as well as in cognition and depressive symptoms after successful treatment of her facial pain. Patients with AD have higher compromise of oral health with infections and teeth loss. The investigation of orofacial pain should be performed in patients with AD, because of the associations reviewed and given the potential for improvement as highlighted by this case. PMID- 29213677 TI - Post-Mortem diagnosis of dementia by informant interview. AB - : The diagnosis of normal cognition or dementia in the Brazilian Brain Bank of the Aging Brain Study Group (BBBABSG) has relied on postmortem interview with an informant. Objectives: To ascertain the sensitivity and specificity of postmortem diagnosis based on informant interview compared against the diagnosis established at a memory clinic. Methods: A prospective study was conducted at the BBBABSG and at the Reference Center for Cognitive Disorders (RCCD), a specialized memory clinic of the Hospital das Clinicas, University of Sao Paulo Medical School. Control subjects and cognitively impaired subjects were referred from the Hospital das Clinicas to the RCCD where subjects and their informants were assessed. The same informant was then interviewed at the BBBABSG. Specialists' panel consensus, in each group, determined the final diagnosis of the case, blind to other center's diagnosis. Data was compared for frequency of diagnostic equivalence. For this study, the diagnosis established at the RCCD was accepted as the gold standard. Sensitivity and specificity were computed. Results: Ninety individuals were included, 45 with dementia and 45 without dementia (26 cognitively normal and 19 cognitively impaired but non-demented). The informant interview at the BBBABSG had a sensitivity of 86.6% and specificity of 84.4% for the diagnosis of dementia, and a sensitivity of 65.3% and specificity of 93.7% for the diagnosis of normal cognition. Conclusions: The informant interview used at the BBBABSG has a high specificity and sensitivity for the diagnosis of dementia as well as a high specificity for the diagnosis of normal cognition. PMID- 29213680 TI - Illiteracy and dementia. AB - There is a current concept that illiteracy and lower educational levels are risk factors for cognitive decline and dementia. Our aims were to review the association between illiteracy and dementia; and to describe some results on neuropsychological findings in illiteracy. A literature search of the PubMed database was performed. The search terms were "dementia", "illiteracy", "neuropsychological evaluation", "educational levels", and "education". Only papers published in Portuguese, English, and Spanish were reviewed. Illiteracy is an incontestable risk factor for dementia. It influences performance on almost cognitive tests. Many other factors could be connected to the high prevalence of dementia among illiterates: low cognitive reserve, poor control of cerebrovascular disease risk factors, difficulties in cognitive evaluation, and poor adaptation of neuropsychological tests for this specific population. Functional tests must be coupled with cognitive tests to ameliorate diagnostic accuracy. PMID- 29213681 TI - Severe dementia: A review about diagnoses, therapeutic management and ethical issues. AB - North American data show that in the year 2000 around 4.5 million people had a diagnosis of dementia and more than a half were at moderate or severe stages of the disease. There is inevitable cognitive and functional decline caused by all etiologies of irreversible dementia as well as many behavioral symptoms that compromise the quality of life of both patients and caregivers. Few published studies have investigated issues concerning severe dementia such as predictors of mortality and life expectancy, nutrition, end of life issues and palliative care in terminal dementia, as well as best pharmacological and non-pharmacological treatments. Due to the complexity that characterizes advanced dementia, it is important that this discussion starts as early as possible allowing some decisions to be taken, preferably when the patients can still express their opinion. PMID- 29213682 TI - Reviewing the limb apraxia concept: From definition to cognitive neuropsychological models. AB - Apraxia is a disorder of learned skilled movements, in the absence of elementary motor or sensory deficits and general cognitive impairment such as inattention to commands, object-recognition deficits or poor oral comprehension. The first studies on apraxia were performed between the late 19th and early 20th centuries, however controversy remains in praxis literature concerning apraxia types, neuroanatomical and functional correlates, as well as assessment and treatment of apraxia. Thus, a critical review of the literature was conducted searching the literature for evidence contributing to a more detailed description of apraxia and its clinical patterns, physiopathology and clinico-anatomical correlations, as well as apraxia assessment. PMID- 29213683 TI - History, citoarchitecture and neurophysiology of human and non human primates' parietal lobe: A review. AB - This strict localizationism had and still has its importance for the development of Neurosciences, since the analysis of changes in mental processes resulting from brain damage became the basis for understanding the brain organization. The human parietal cortex is a highly differentiated structure, consisting of citoarchitectonically defined subareas that are connected to other cortical and subcortical areas. Patients with lesions in the parietal cortex develop various types of neuropsychological manifestations, depending on the specific location of the lesion and the corresponding hemisphere and these lesions in this lobe do not cause modal specific disturbances. The establishment of homologies between the parietal region in humans and primates can be of great contribution in trying to unravel the various functions and complexity of this area. PMID- 29213684 TI - The prefrontal areas and cerebral hemispheres of the neotropical Cebus apella and its correlations with cognitive processes. AB - : The organization of the prefrontal cortex can hold important clues to understanding its functioning. The Cebus apella present cerebral particularities and behavioral and cognitive flexibility, possessing abilities that demonstrate an overlap with those of big primates. Objectives: To provide evidence of correlations between anatomical particularities of the brain areas analyzed and some cognitive abilities previously described in these simians. Methods: The relative size of the cerebral hemispheres and prefrontal areas (PFA) were measured using a Universal caliper, in 24 hemispheres of C. apella fixed with 10% formaldehyde and kept in 70% alcoholic solution. Results: Data gathered allowed the calculation of the approximate volume (cm3) of the areas under study: right antimere 35.2cm3 (+/-5.3), left antimere 31.3cm3 (+/-5.4) and of the left PFA 6.0cm3 (+/-1.5) and right PFA 6.9cm3 (+/-1.7). Conclusions: We concluded that the PFA represents about 20% of the cerebral volume of this primate. No significant differences were found in the antimeres in terms of volume and area of the hemispheres and likewise for the PFA. These animals have a proportionally bigger brain than that of other neotropical primates in the literature. This allows us to infer that the frontal lobe of C. apella is also larger; possibly related to its maturity and developed cognitive functions indicative of the culture transfers characteristic of this species. PMID- 29213685 TI - Apathy in Alzheimer's disease: Contribution to a clinical view on progression of dementia. AB - : In addition to cognitive impairment, apathy is increasingly recognized as an important neuropsychiatric syndrome in Alzheimer's disease (AD). Aims: To identify the relationship between dementia severity and apathy levels, and to discuss the association of this condition with other psychopathological manifestations in AD patients. Methods: This study involved 15 AD patients (mean age: 77 years; schooling: 4.9 years), with mild, moderate and severe dementia, living in Rio Claro SP, Brazil. Procedures included evaluation of cognitive status by the Mini-Mental State Examination, Clinical Dementia Rating, and Global Deterioration Scale. Apathy syndrome was assessed by the Apathy Evaluation Scale and Neuropsychiatric Inventory (NPI-apathy domain). Other psychopathological manifestations such as depression were also considered. Results: Patients with more severe dementia presented higher levels of apathy, reinforcing the hypothesis that apathy severity aggravates as the disease progresses. Using the Spearman coefficient correlation an association was identified between the MMSE and Apathy Evaluation Scale (r=0.63; p=0.01), and also between the MMSE and NPI apathy domain (r=0.81; p=0.01). Associations were also found between the Global Deterioration Scale and Apathy Evaluation Scale (r=0.58; p=0.02), and between the Global Deterioration Scale and NPI-apathy domain (r=0.81; p=0.01). Conclusions: Apathy is a distinct syndrome among patients with AD and increases with global deterioration. PMID- 29213686 TI - The generation of visual inferences in normal elderly- Influence of schooling and visual complexity. AB - : The generation of inferences makes the construction and comprehension of discourse easier, and integrates representations which add coherence to the arguments. Visuoperceptual and inferential deficits merge in the attempt to explain the difficulties that some individuals have in the comprehension of certain kinds of visual stimuli. Objectives: a) To examine the performance of cognitively healthy elderly subjects in the execution of visual inferences using pictures of different levels of complexity;b) To compare the performance of subjects according to schooling level. Methods: A total of 45 normal elderly aged from 61 to 82yrs (M=68; SD=0.57) were examined. The subjects were divided into three groups according to schooling level: Group 1 (1 to 4 years); Group 2 (5 to 8 years) and Group 3 (9 or more years). Each subject had to create a narrative based on four figures with controlled visual complexity. The narratives were transcribed, analysed and scored. Results: For the essential inferences, the high educated group (3) had a better performance in both visually simple and complex conditions. On the visually complex figures, the medium educated group (2) was statistically equivalent to the high educated group for one figure and equivalent to the less educated group (1) for the other. There was no difference among the groups for the accessory propositions. Conclusions: Visual complexity interferes with the subject's ability to make inferences in low and medium educated individuals. High educated subjects maintain the same performance in making inferences, regardless of the visual complexity level. PMID- 29213687 TI - Verbal behavior in Alzheimer's disease patients: Analysis of phrase repetition. AB - : Language problems in the elderly with AD are due to the fact that deterioration occurs not only in semantic memory, but in a group of cognitive factors, evidenced by a deficiency in search strategies for linguistic information. Objectives: To evaluate phrase repetition in two cognitive tests, the MMSE and MoCA, in a group of Alzheimer disease patients (AD) and normal controls. Methods: A Cross-sectional study was conducted involving 20 patients who sought medical assistance at a geriatric institute in Jundiai, Sao Paulo. The subjects underwent a detailed clinical examination and neuropsychometric evaluation. All subjects with AD met DSM-IV and NINCDS-ADRDA criteria. Ten patients received a diagnosis of AD and 10 were healthy subjects, forming the control group (CG). Results: All participants correctly answered the phrase from the MMSE (phrase 1). The MoCA phrases (phrases 2 and 3) were correct in 80% and 90%, respectively in the CG and in 40% and 50%, respectively in the AD group. Conclusions: The MoCA test proved more effective in evaluating the echoic behavior in AD patients compared to the MMSE. The simpler phrase repetition task in the MMSE was found to be less sensitive in detecting mild language decline in AD patients. PMID- 29213688 TI - Criterion validity of a Wechsler-III Scale Short Form in a sample of brazilian elderly. AB - : Although a normative process, changes in cognitive functioning vary among older adults. The differential diagnosis between normal and pathological aging must be made early using psychometrically adequate measures. Objectives: To assess the evidence of criterion validity of a Short Form (SF) of the Wechsler-III Scale containing eight subtests (SF8) by determining its sensitivity, specificity, positive and negative predictive values and cut-off points for Brazilian elderly from different age groups. Methods: 168 individuals, aged 60 years or above, living in the community or in an institution, were assigned to case and control groups, and investigated according to age range. Measures included a sociodemographic questionnaire, the Mini-Mental State Examination (MMSE), Verbal Fluency Test, Clock-Drawing Test and the SF8. Results: More than two thirds of the sample was women (73.8%), mean age was 74.5 years (SD=8.9), mean education was 6.2 years (SD=4.8) and 40.5% were widows/widowers. In the total sample, the best cut-off point for the SF8 was 142 while cut offs among individuals aged 60 to 69 years, 70 to 79 years, and more than 80 years were 160, 129 and 129, respectively. Conclusions: The results demonstrated the importance of different cut-off points for different age ranges. Sensitivity and specificity values of the SF8 were sufficiently high to warrant the use of the SF8 as an instrument to identify cognitive impairment in the elderly. PMID- 29213689 TI - Longitudinal cognitive screening study in community-dwelling individuals. AB - : Cognitive changes in normal aging can be similar to the alterations that take place in the initial stages of a dementia process. Longitudinal studies can provide a better understanding of this progression. Objectives: To evaluate the cognitive and functional evolution of community-dwelling individuals without dementia through a three-year longitudinal study. Methods: 168 individuals were evaluated in 2006. Three years later in 2009, 73 of these subjects were reevaluated as regards cognition and functionality using the Mini Mental State Examination (MMSE), Brief Cognitive Battery (BCB) and the Pfeffer Functional Activities Questionnaire. The statistical analysis included descriptive measurements, the Wilcoxon's test for intra-group comparison, and the Spearman's correlation coefficient test for comparing cognitive and functionality scores. Results: After three years, the Wilcoxon's test showed a discreet yet significant cognitive decline (MMSE: -0.7 points; p=0.02; Z= -2.29; and global score on the BCB: +3.6 points; p=0.02; Z= -2.29), in addition to functional decline (Pfeffer: +0.7 points; p= 0.001; Z= -3.38). Conclusions: After three years of follow-up we observed a discreet yet significant functional and cognitive decline in the subjects. Longitudinal cognitive screening represents an important strategy in the early identification of changes from normal conditions to a dementia process. PMID- 29213690 TI - Working memory intervention programs for adults: A systematic review. AB - : This systematic review aimed to identify the designs, procedures, and results of empirical studies that performed neuropsychological interventions on WM in adults. Methods: A PubMed and LILACS literature search was conducted using the keywords working memory AND (training OR rehabilitation OR intervention) AND adult. Results: Of the seven studies found, three were randomized controlled trials, two were case reports, one was a clinical trial, and one was an evaluation study. With regard to the type of programs and samples, three studies employed global programs with healthy elderly adults and four employed specific programs for samples with neurologically-impaired adults. Conclusions: The effectiveness of the WM intervention programs was more evident in studies that employed specific methods of rehabilitation for samples with neurological disorders than in those based on global programs with healthy adults. There is a need for more empirical studies to verify the effectiveness of WM intervention programs in order to provide adequate guidance for clinical neuropsychologists and future research. PMID- 29213691 TI - Sociodemographic profile and level of burden of dementia patients' caregivers who participate in a support group. AB - : The Brazilian Alzheimer's Association recommend the dementia patient's caregiver to attend group meetings which aim to give information and enable them to express and share feelings with individuals who are facing similar difficulties. Objectives: To identify the sociodemographic profile of the individuals who attend the Support Group for Family Members of Individuals with Alzheimer's disease at Hospital de Clinicas de Porto Alegre, and to verify the degree of burden associated to the care given to this kind of patient. Methods: Forty-eight participants were sub-divided into two groups: 23 non-caregivers and 25 caregivers. All participants answered a sociodemographic questionnaire, and the caregivers also answered the Zarit Burden Interview (ZBI). Student's t test was used for comparison of parametric data, and Chi-square test for categorical data between caregivers and non-caregivers. Spearman's rho correlation analysis was performed for the ZBI and the studied variables. Results: Participants were predominantly women. Only age differentiated one subgroup from the other. The mean score on the ZBI was 35.1 (14.7), and most of the caregivers presented up to moderate burden. Conclusions: Women attended the Support Group either as caregiver or non-caregiver. The level of burden among caregivers of high educational attainment was relatively high besides the short time as caregiver (up to a year). PMID- 29213692 TI - Caregiver distress associated with behavioral and psychological symptoms in mild Alzheimer's disease. AB - : The aim of this study was to analyze the relationship between Caregiver Distress and Behavioral and Psychological Symptoms in Dementias (BPSD) in mild Alzheimer's disease. Methods: Fifty patients and caregivers were interviewed using the Neuropsychiatric Inventory (NPI). Results: 96.0% of the patients had at least one BPSD. The mean NPI total score was 19.6 (SD=18.05; range=0-78) whereas the mean Caregiver Distress Index (CDI) total score was 11.5 (SD=10.41; range=0 40). For the individual symptoms, the weighted mean CDI was 2.8 (SD=1.58). All symptom CDI means were higher than 2.0 except for euphoria/elation (m=1.8; SD=1.49). There were correlations between CDI and derived measures (Frequency, Severity, FxS, and Amplitude) for all symptoms, except Disinhibition and Night time behavior. Correlations ranged between 0.443 and 0.894, with significance at p<0.05. Conclusions: All the derived measures, including amplitude, were useful in at least some cases. The data suggests that CDI cannot be inferred from symptom presence or profile. Symptoms should be systematically investigated. PMID- 29213693 TI - A prospective study on the use of rivastigmine transdermal patch in Alzheimer's dementia in a routine clinical setting. AB - : There is not much published literature on the use of rivastigmine patch in a "routine" clinical setting. Objectives: In this naturalistic longitudinal observational study we sought to evaluate the safety, tolerability and efficacy of the rivastigmine patch in patients with early and late onset moderate Alzheimer's disease in a routine clinical setting. Methods: Out of all routine clinical referrals, the first 30 patients with diagnosis of moderate Alzheimer's dementia who were started on rivastigmine patch were included in the study. Rivastigmine patch dose was titrated from 4.6 to 9.5mg/24 hours as appropriate. The primary outcome measure was safety and tolerability, measured by the incidence of adverse events and discontinuation due to any reason. The secondary outcome measure was to examine improvement on global, functional and behavioral domains as demonstrated by the MMSE (Mini Mental State Examination) score, BADLS (Bristol Activities of Daily Living Skills) score, patient and carer feedback and clinical judgment. Results: Adverse events were reported in 20% of patients and 10% of total patients needed discontinuation of treatment. Improvement on global, functional and behavioral domains was observed in two thirds of patients whereas one third showed a relative decline. The most common side effect was skin irritation or erythema. Conclusions: The rivastigmine transdermal patch may provide a treatment option for those patients who require a change in their current oral cholinesterase inhibitor therapy due to safety or tolerability concerns. PMID- 29213695 TI - In the December 2010 issue. PMID- 29213694 TI - Air traffic control activity increases attention capacity in air traffic controllers. AB - : Air traffic controllers simultaneously develop complex and multiple tasks in the course of their activities. In this context, concern is raised over the high level of attention needed by these professionals which can ultimately be affected by stress and fatigue. Objectives: The objective of this study was to assess attention level in air traffic controllers (ATCo). Methods: 45 flight protection professionals were evaluated, comprising 30 ATCo, subdivided into ATCo with ten or more years in the profession (ATCo>=10, n=15) and ATCo with less than ten years in the profession (ATCo <10, n=15) and 15 aeronautical information services operators (AIS), subdivided into AIS with ten years or more in the profession (AIS>=10, n=8) and AIS with less than ten years in the profession (AIS <10, n=7), who were included as the control group. The digit symbol, d2 (the individual marks the letter d on a specific form containing 14 lines with 47 letters in each, maintaining focus on letter d followed by two dashes), forward digit span, backward digit span and PASAT (paced auditory serial addition test) attention tests were used. Kruskal-Wallis was used and data expressed as Median (Minimum and Maximum) with p<0.05. Results: The ATCo>=10 presented greater focus of attention, sustained attention, mental manipulation and resistance to interference capacity compared to the AIS>=10. Comparison of ATCo>=10 to the AIS<10 showed they presented only greater resistance to interference, and when compared to the ATCo<10 presented lower focus. Conclusions: The air traffic control activity after ten years may be associated with a high level of attention. PMID- 29213696 TI - Preclinical diagnosis of Alzheimer's disease: Prevention or prediction? AB - The diagnosis of Alzheimer's disease (AD) for cases with dementia may be too late to allow effective treatment. Criteria for diagnosis of preclinical AD suggested by the Alzheimer's Association include the use of molecular and structural biomarkers. Preclinical diagnosis will enable testing of new drugs and forms of treatment toward achieving successful preventive treatment. But what are the advantages for the individual? To know that someone who is cognitively normal is probably going to develop AD's dementia when there is no effective preventive treatment is definitely not good news. A research method whereby volunteers are assigned to receive treatment or placebo without knowing whether they are in the control or at-risk arm of a trial would overcome this potential problem. If these new criteria are used wisely they may represent a relevant milestone in the search for a definitive treatment for AD. PMID- 29213697 TI - The economic cost of Alzheimer's disease: Family or public health burden? AB - Alzheimer's disease (AD) patients suffer progressive cognitive, behavioral and functional impairment which result in a heavy burden to patients, families, and the public-health system. AD entails both direct and indirect costs. Indirect costs (such as loss or reduction of income by the patient or family members) are the most important costs in early and community-dwelling AD patients. Direct costs (such as medical treatment or social services) increase when the disorder progresses, and the patient is institutionalized or a formal caregiver is required. Drug therapies represent an increase in direct cost but can reduce some other direct or indirect costs involved. Several studies have projected overall savings to society when using drug therapies and all relevant cost are considered, where results depend on specific patient and care setting characteristics. Dementia should be the focus of analysis when public health policies are being devised. South American countries should strengthen their policy and planning capabilities by gathering more local evidence about the burden of AD and how it can be shaped by treatment options. PMID- 29213698 TI - Methodological issues and controversies in research on cognitive disorders. AB - Research on cognitive disorders is challenging due to the complexity of functions studied and to the numerous variables involved. First, the concept of cognition as a mediated (semiotic) and systemic activity is reviewed. According to this concept, the result of a local lesion is not an isolated symptom but a syndrome, and the best neuropsychological approach is an analysis based on appropriate tests to disclose double dissociations and thereby provide clues to brain behavior relationships. This approach takes into account the influence of task relevant variables (confounders) related to the patient (e.g., age, education), to the lesion (size, etiology), and to the tests and testing conditions (ecological validity, examiner's experience), which need to be controlled and analyzed in multivariate statistical analyses, as illustrated in research on medial temporal lobe epilepsy. Other controversial issues such as single and double dissociations, single-case versus group studies, and the lesion method are also examined. PMID- 29213699 TI - Musical training, neuroplasticity and cognition. AB - The influence of music on the human brain has been recently investigated in numerous studies. Several investigations have shown that structural and functional cerebral neuroplastic processes emerge as a result of long-term musical training, which in turn may produce cognitive differences between musicians and non-musicians. Musicians can be considered ideal cases for studies on brain adaptation, due to their unique and intensive training experiences. This article presents a review of recent findings showing positive effects of musical training on non-musical cognitive abilities, which probably reflect plastic changes in brains of musicians. PMID- 29213700 TI - Naming abilities: Differentiation between objects and verbs in aphasia. AB - Cognitive Neuropsychology aims to understand the processing mechanisms of normal and injured brain, by means of functional architectural models of information processing. Naming is one of the most important abilities in linguistic processing. Naming of different semantic and grammatical categories differ in their lexical properties and have distinct neuroanatomical substrates. We reviewed literature data on the differences between nouns and verbs in aphasic subjects reported by scientific publications in the form of indexed articles. Studies on naming abilities tended to emphasize the differentiation between nouns and verbs both in their lexical properties and neuroanatomical substrates. Functional neuroimaging studies have improved the state of knowledge regarding category-specific naming abilities, but further studies on different types of aphasia and the use of naming abilities in different contexts are warranted. PMID- 29213701 TI - Cerebrocerebellar system and Arnold's bundle - A tractographic study: preliminary results. AB - : The cerebellum, traditionally considered a structure involved in balance and movement control, was more recently recognized as important in cognitive, emotional and behavioral functions. These functions appear to be related to the more recent parts of the cerebellum that belong to the cerebrocerebellar system. One of the key segments of this system is the (pre)fronto-[penduncule]-pontine projection that represents the Arnold's bundle. Diffusion tensor imaging and tractography (DTI-TR) has permitted in vivo virtual dissection of white matter tracts, including those of the cerebellar. Objective: To study the fronto [peduncule]-pontine projection (Arnold's bundle), with DTI-TR. Methods: Ten normal subjects were included (mean age 30 years). Standard acquisitions in three planes were obtained with a 1.5T GE Signa Horizon scanner, complemented with DTI acquisitions. Post-processing and analysis was performed using an ADW 4.3 workstation running Functool 4.5.3(GE Medical Systems). A single ROI was placed on the medial third of the cerebral peduncle base, considered the site of convergence of the fibers of Arnold's bundle, bilaterally. Results: Twenty tractograms were obtained. All were constituted by a significant number of fibers in correspondence to the frontal lobe, and part of them anterior to the coronal plane at the anterior commissure, which characterizes them as associated to the prefrontal region. Conclusions: For the first time, frontal lobe related projections were systematically revealed with DTI-TR seeded from cerebral peduncle base ROIs. They showed anatomic coherence with Arnold's bundle, which includes the prefrontopontine segment of the cortico-ponto-cerebellar path, one of the components of the cerebrocerebellar system, acknowledged as fundamental for non-motor functions such as cognition, emotion and behavior. PMID- 29213702 TI - Kanji and Kana agraphia in mild cognitive impairment and dementia: A trans cultural comparison of elderly Japanese subjects living in Japan and Brazil. AB - : This study verifies the environmental effects on agraphia in mild cognitive impairment and dementia. We compared elderly Japanese subjects living in Japan and Brazil. Methods: We retrospectively analyzed the database of the Prevalence Study 1998 in Tajiri (n=497, Miyagi, Japan) and the Prevalence Study 1997 of elderly Japanese immigrants living in Brazil (n=166, migrated from Japan and living in the Sao Paulo Metropolitan Area). In three Clinical Dementia Rating (CDR) groups, i.e., CDR 0 (healthy), CDR 0.5 (questionable dementia), and CDR 1+ (dementia) , the Mini-Mental State Examination (MMSE) item of spontaneous writing and the Cognitive Abilities Screening Instrument (CASI) domain of dictation were analyzed with regard to the number of Kanji and Kana characters. Formal errors in characters and pragmatic errors were also analyzed. Results: The immigrants in Brazil wrote similar numbers of Kanji or Kana characters compared to the residents of Japan. In spontaneous writing, the formal Kanji errors were greater in the CDR 1+ group of immigrants. In writing from dictation, all the immigrant CDR groups made more formal errors in Kana than the Japan residents. No significant differences in pragmatic errors were detected between the two groups. Conclusions: Subjects living in Japan use Kanji frequently, and thus the form of written characters was simplified, which might be assessed as mild formal errors. In immigrants, the deterioration in Kanji and Kana writing was partly due to decreased daily usage of the characters. Lower levels of education of immigrants might also be related to the number of Kanji errors. PMID- 29213703 TI - Rehabilitation in semantic dementia: Study of effectiveness of lexical reacquisition in three patients. AB - : Although language rehabilitation in patients with primary progressive aphasia (PPA) is recommended, rehabilitation studies in this clinical syndrome are scarce. Specifically, in relation to semantic dementia (SD), few studies have shown the possibility of lexical relearning. Objective: To analyze the effectiveness of rehabilitation for lexical reacquisition in SD. Methods: Three SD patients were submitted to training for lexical reacquisition based on principles of errorless learning. Comparisons between naming performance of treated items (pre and post-training) and non-treated items of the Boston Naming Test (BNT) were made. Results: All patients improved their performance in naming treated words after intervention. However, decline in performance in naming of non-treated items was observed. Case 1 named zero items at baseline while her performance post-training was 29.4% correct responses without cueing, and 90.7% correct with and without cueing. Case 2 named 6.9% of items correctly at baseline and his performance in post-training was 52.9% without cueing and 87.3%, with and without cueing. Case 3 named zero items at baseline and his performance in post training was 100% correct responses without cueing. Considering the performance in naming the non-treated items of the BNT, the percentages of correct responses in the first evaluation and in the re-evaluation, respectively were: 16.7% and 8.3% (case 1; 14 month-interval); 26.7% and 11.6% (case 2; 18 month-interval) and 11.6% and 8.3% (case 3; 6 month-interval). Conclusions: The reacquisition of lost vocabulary may be possible in SD despite progressive semantic deterioration. PMID- 29213704 TI - Body mass index, cognitive deficit and depressive symptoms in high cardiovascular risk patients. AB - : To evaluate the relationship of obesity, cognitive impairment and depressive symptoms in patients with high cardiovascular risk. Methods: A sample of 93 patients aged 50 years or older was selected from the Center of Dyslipidemia and High Cardiovascular Risk from Hospital de Clinicas de Porto Alegre (HCPA). Patients with stroke were excluded. For cognitive evaluation, the MMSE (Mini Mental State Examination) was used. A score of 24 or less was considered as cognitive impairment, and for those who had 4 years or less of education, the cutoff point was 17. The GDS-15 (Geriatric Depression Scale) was also used, with the cutoff of 6 for presence of depressive symptoms. Results: Obese patients showed lower mean MMSE scores compared to non-obese patients (p=0.0012). Additionally, for every one point increase in BMI above 30 there was a 27% increase in the chances of the patient having cognitive impairment. The obese patients presented 31% chance of having cognitive impairment compared with overweight subjects. Conclusions: Our findings corroborated the association between obesity and cognitive impairment in high cardiovascular risk patients. This association however, was not observed for depressive symptoms. PMID- 29213705 TI - Intelectual demand and formal education as cognitive protection factors in Alzheimer's disease. AB - : To investigate the possible association between educational level and previous professional occupation, and objective cognitive and functional evaluation in a sample of elderly patients with Alzheimer's disease. Methods: Through retrospective analysis of medical files, 174 patients with probable Alzheimer disease were randomly selected, classified and submitted to analysis according to previous professional occupation and years of formal education. Results: Subjects with lower education and less intellectually-demanding occupations performed worse than higher educated subjects in all cognitive subtests and on the functional scale. Conclusions: Results indicate that not only the total years of education, but also professional occupation has an impact on cognition and functioning in accordance with the hypothesis of cognitive reserve. Our findings confirmed this hypothesis, where subjects with higher education/ higher intellectual demand manifested first symptoms later than low education/ low intellectual demand subjects, with the latter group also exhibiting faster disease progression. PMID- 29213706 TI - Stress effects on food handlers' attention of a public hospital in Recife-PE, Brazil. AB - : Production of meals in Food and Nutrition Units (FNU) requires human labor performance in order to attend demand. Stress is one of the factors responsible for alterations in the health of these professionals. Reduced attention is one of the negative effects caused by stress. Objective: The objective of this study was to evaluate attention in Food Handlers (FH). Methods: 67 professionals were evaluated, subdivided into FH with less than 5 years in the profession, who were included as the control group (Control, n=29), and FH with more than 5 years in the profession (FH>5, n=38). Lipp's Inventory of Stress Symptoms for adults (LISS), the digit symbol, d2, forward digit span, backward digit span and paced auditory serial addition tests were applied. The data found on the LISS were analysed by Fisher's Exact and Chi-Square tests and individual attention tests were analyzed by the Mann-Whitney test, with data expressed as Median (Minimum and Maximum) with p<0.05. A total of 73.68% of FH>5 presented stress versus 13.79% of Control. Also, 57.89% of FH>5 with stress presented physical symptoms and 15.79% psychological symptoms. In the Control, 9.68% presented physical symptoms. Results: 73.68% of FH>5 with stress and 17.24% of the Control were in the resistance phase. Regarding attention, the FH>5 presented reduced focused attention (32.5+/-2.9), auditory attention (7.25+/-0.4) and resistance to interference (4.67+/-1.1), compared to their respective controls (43.88+/-1.39), (8.63+/-0.38), (9.25+/-1.16), p<0.05. Discussion and Conclusions: The activity of food handling can cause stress and attention level reduction after 5 years. PMID- 29213707 TI - Morphometric brain changes during aging: Results from a Brazilian necropsy sample. AB - : The present study aimed to establish the morphometric brain changes during aging in a necropsy series from Brazil and determine whether sexual dimorphisms interfere in these changes. Methods: A cross-sectional study was conducted at the Sao Paulo Autopsy Service in Brazil where, after informed consent, data was gathered from next of kin interview with reference to clinical status prior to death. Brain weight, volume and density measurements were taken and then adjusted for head circumference. Descriptive statistics and tests of hypothesis and correlations were applied, considering a p-value of 0.05. Results: 414 subjects, mostly men (60.4%), with a mean age of 67.1 years, were included. The mean brain weight of the sample was 1219.2g+/-140.9and mean volume was 1217mL+/-152.3. The mean brain density of the sample was 1.0g/mL+/-0.09. Values differed between males and females in terms of weight and volume. Brain weight decreased during aging by about 45g per decade (r= -0.300; p<0.01) and volume by about 43mL (r= 0.278; p<0.00). Mean density of the sample was 1.0 g/mL in both genders. Conclusions: Brain weight and volume (with or without corrections) decreased during aging, and these reductions were more pronounced in women. Density remained unchanged for both genders. Further studies are needed to investigate factors associated to these reductions. PMID- 29213708 TI - Did you rule out neurosyphilis? AB - : Neurosyphilis, formerly a frequent cause of dementia, is now a rare condition in developed countries. However, syphilis remains common in many developing countries, where adequate diagnosis and treatment of early syphilis may be lacking, increasing the chances of neurosyphilis and prevalence of syphilitic dementia. Objectives: To present cases of syphilitic dementia seen in a cognitive and behavioral neurology unit in Brazil, emphasizing their first symptoms and the challenges they posed in diagnosis. Methods: At our unit of the Hospital das Clinicas of the University of Sao Paulo, all patients are submitted to blood treponemal tests. When the test is positive, a lumbar puncture is performed. We retrospectivelly reviewed all cases of neurosyphilis seen in our unit from January 1991 to November 2009. Results: Nine cases of neurosyphilis (0.77% of the 1160 cases in our files) were identified over the period. Patients with neurosyphilis were all men, had a mean age of 47.8 (+/-13.0) years (median of 43 years), and presented with various neuropsychiatric syndromes and elusive diagnoses. The median time from onset of symptoms to diagnosis was 24 months and only one patient made a full recovery after treatment. Conclusions: Neurosyphilis is not frequent but remains present, causing several types of neuropsychiatric syndromes. As it is very simple to rule out neurosyphilis by performing a blood treponemal test, this test should be performed in all patients with neuropsychiatric symptoms, particularly in regions of the world where syphilis is still a commonly occurring disease. PMID- 29213709 TI - Impact of depressive symptoms in outcome of Alzheimer's disease. AB - : There is no consensus in the medical literature about the impact of depressive symptoms on the evolution of Alzheimer's disease (AD). Objective: To compare the evolution of AD patients, with and without depressive symptoms, in terms of cognition, functionality and caregiver stress. Methods: The study entailed 2 stages: an initial retrospective stage involving review of medical charts of patients with mild and moderate AD. Patients were divided according to the presence or absence of depressive symptoms, defined by medical interview and questions on depressed mood from the CAMDEX (Cambridge Examination for Mental Disorders of the Elderly) and Neuropsychiatric Inventory (NPI). Twenty-nine patients were evaluated, 37.9% with depression (Group D+) and 62.1% without depression (Group D-). The groups were compared regarding demographic and medical characteristics, cognitive and functional performance, presence of apathy as a separate symptom, and caregiver stress, using standardized tests and questionnaires. In the second transversal step, the same tools were reapplied after 2 to 4 years of follow-up, and evolution for the two groups was compared. Results: The two groups were highly homogeneous in demographic and clinic characteristics, as well as in length of follow-up, and presented no significant difference in cognitive or functional evaluation at the time of diagnoses or after follow-up. Only caregiver stress was greater in Group D+ at the two time points (p<0.001). Conclusions: No differences in the evolution of AD patients with or without depressive symptoms were evident. Nevertheless, these symptoms were associated to emotional burden of caregivers. PMID- 29213710 TI - Multiple hallucinations due to brainstem injury: A case report. AB - We report a case of a 43-year-old woman with brainstem encephalitis in the third trimester of pregnancy. She presented complex visual and auditory hallucinations in the acute disease phase (hearing opera arias and seeing room furniture upside down). Hallucinations resolved with antiviral treatment. PMID- 29213712 TI - In the March 2011 issue. PMID- 29213713 TI - Path dependence in social and psychological risk factors for dementia. AB - This article focuses on social and psychological risk factors for Alzheimer's disease, dementia, and cognitive impairment and presents some key points for prevention in developing countries based on previous studies, a social science theory, and our preliminary survey. Previous population-based studies found that educational and occupational attainment, income, participation in social and mental activities, and psychological distress were associated with dementia risk. According to the theory of path dependence, earlier factors largely determine successive ones, where education is one of these early experiences in life. Our preliminary survey suggested that education sets a path that several psychosocial risk factors are dependent on. The expansion of basic education is indispensable. Resources for prevention should be concentrated on individuals with a low level of education. In order to break from a path creating self-reinforcement of risk factors, it is necessary to implement early and active interventions. PMID- 29213715 TI - Cognitive rehabilitation following traumatic brain injury. AB - Annually, some 500,000 people are hospitalized with brain lesions acquired after traumatic brain injury (TBI) in Brazil. Between 75,000 and 100,000 individuals die within hours of the event and 70,000 to 90,000 evolve to irreversible loss of some neurological function. The principal causes of TBI include motor vehicle accidents (50%), falls (21%), assaults and robberies (12%) and accidents during leisure activities (10%). Within this context, cognitive rehabilitation, a clinical area encompassing interdisciplinary action aimed at recovery as well as compensation of cognitive functions altered as a result of cerebral injury, is extremely important for these individuals. Therefore, the aim of this study was to review the basic concepts related to TBI, including mechanisms of injury, severity levels of TBI, the most common findings in moderate and severe TBI survivors, and the most frequent cognitive impairments following TBI, and also to discuss the strategies used to handle patients post-TBI. The study results yielded relevant information on a structured cognitive rehabilitation service, representing an alternative for patients and families afflicted by TBI, enabling the generation of multiple research protocols. PMID- 29213716 TI - Formal education, health literacy and Mini-Mental State Examination. AB - : The Mini-Mental State Examination (MMSE) is a widely used screening test for cognitive impairment, but is heavily biased by education. Educational level has frequently been ranked using years of schooling, which may not be a good indirect measure of educational level because there is great heterogeneity in standards of schooling among populations and across regions of the same country. S-TOFHLA is a measure of health literacy with some results indicating that it is a good measure for literacy level. Objective: To evaluate the correlations between years of schooling and scores on the S-TOFHLA and the MMSE. Methods: Healthy subjects without cognitive impairment were submitted to the S-TOFHLA and the MMSE. Correlations and regression analysis were performed to determine possible associations among variables. Results: Both years of schooling and S-TOFHLA scores were strongly correlated with MMSE scores, but the strongest association was reached by the S-TOFHLA (r=0.702, p<0.01), where the S-TOFHLA was the best predictor of MMSE scores (R2=0.494, p<0.001). Conclusions: A stronger association between S-TOFHLA scores and MMSE performance was found than between years of education and MMSE scores. This finding justifies further studies incorporating years of schooling together with S-TOFHLA score, to evaluate cognitive performance. PMID- 29213714 TI - Effects of stress hormones on the brain and cognition: Evidence from normal to pathological aging. AB - Several studies have demonstrated a wide cognitive variability among aged individuals. One factor thought to be associated with this heterogeneity is exposure to chronic stress throughout life. Animal and human evidence demonstrates that glucocorticoids (GCs), the main class of stress hormones, are strongly linked to memory performance whereby elevated GC levels are associated with memory performance decline in both normal and pathological cognitive aging. Accordingly, it is believed that GCs may increase the brain's vulnerability to the effects of internal and external insults, and thus may play a role in the development of age-related cognitive disorders such as Alzheimer's disease (AD). The aim of this review article was to investigate the effects of GCs on normal and pathological cognitive aging by showing how these hormones interact with different brain structures involved in cognitive abilities, subsequently worsen memory performance, and increase the risk for developing dementia. PMID- 29213717 TI - The interpretation of proverbs by elderly with high, medium and low educational level: Abstract reasoning as an aspect of executive functions. AB - : It is now known that cognitive functions tend to decline with age. Executive functions (EF) are among the first abilities to decline with aging. A subcomponent of the EF is abstract reasoning. The Test of Proverbs is an instrument that can be used to evaluate the capacity of abstract reasoning. Objective: To examine the association of performance in interpretation of proverbs, with education and with episodic memory and EF tasks. Methods: A total of 67 individuals aged between 60 and 75 years were evaluated, and divided into three categories of education: 1-4 years, 5-8 years, and 9 or more years of schooling. The instruments used were a sociodemographic questionnaire (gender, age, marital status, education, income, previous occupation, current occupation and health perception), the Mini Mental State Examination, Brief Cognitive Screening Battery; Geriatric Depression Scale; Forward and Backward Digit Span (WAIS-III), and the Test of Proverbs. Results: A high impact of education was seen on the interpretation of proverbs, with lower performance among the elderly with less education. A significant association between performance on the Test of Proverbs and scores on the MMSE, GDS, and verbal fluency tests was found. There was a modest association with incidental memory. Conclusions: The capacity to interpret proverbs is strongly associated with education and with performance on other EF tasks. PMID- 29213718 TI - Antipsychotics in Alzheimer's disease: A critical analysis. AB - : The estimated worldwide prevalence of dementia among adults older than 60 years of age was 3.9% in 2005. About 90% of demented patients will develop neuropsychiatric symptoms (NS) such as delirium, delusion, aggressiveness and agitation. The treatment of NS involves non-pharmacologic strategies (with varying degrees of success according to the scientific literature) and pharmacologic treatment (PT). The present review of literature examined the current role of AP in the management of NS in dementia. Methods: A thematic review of medical literature was carried out. Results: 313 articles were found, 39 of which were selected for critical analysis. Until 2005, the best evidence for PT had supported the use of selective serotonin re-uptake inhibitors (SSRIs), anticholinesterases, memantine and antipsychotics (AP). In 2005, the U.S. Food and Drug Administration (FDA) disapproved the use of atypical APs to treat neuropsychiatric symptoms in individuals with dementia (the same occurred with the typical APs in 2008). After this, at least two important randomized placebo controlled multicenter trials were published examining the effectiveness of atypical APs in Alzheimer's disease (CATIE-AD) and the effects of interrupting AP treatment (DART-AD). Conclusions: Based on the current evidence available, APs still have a place in treatment of the more serious psychotic symptoms, after the failure of non-pharmacological treatment and of an initial approach with selective inhibitors of serotonin uptake, anticholinesterases and memantine. PMID- 29213719 TI - Prevalence of treatable and reversible dementias: A study in a dementia outpatient clinic. AB - : Dementia is a syndrome characterized by the development of multiple cognitive deficits and behavioral changes that leads to impairment of functional activities. There are primary degenerative, progressive and irreversible dementias, and other dementias resulting from a progressive but potentially reversible dementia of secondary origin. Objective: To assess the prevalence of cases with a diagnosis of potentially reversible dementia at a Behavioral Neurology Outpatient Unit. Methods: A retrospective study based on a review of 340 medical records of patients seen from 1999 to 2009 was conducted. All patients received a thorough diagnostic assessment to verify the etiological hypothesis proposed. Results: Of the 340 patients seen in the study period, 172 (50.5%) were females and 168 (49.5%) males, 90 patients (26.4%) were under 60 years of age, and 250 (73.6%) were over 60 years of age. Alzheimer's disease, with 89 cases (26%), followed by vascular dementia with 39 cases (11.47%), were the leading etiological diagnoses. A total of 193 patients had dementia and 37 of these (19.17%) were found to have potentially reversible dementias, distributed as follows: head injury: 15 patients; alcohol-related dementias: 11 patients; meningoencephalitis: 2 patients; hypothyroidism: 2 patients; neurosyphilis: 2 patients; normal pressure hydrocephalus: 2 patients; AIDS: 1 patient; Korsakoff's syndrome: 1 patient, and Post-anoxic dementia: 1 patient. Conclusions: A significant number of patients were found to have potentially reversible dementias (19.17%). These data show an urgent need for more extensive diagnostic investigation, and indicate the possibility of reversing some dementias, especially cases detected early. PMID- 29213720 TI - Cognitive training based on metamemory and mental images: Follow-up evaluation and booster training effects. AB - : In the second semester of 2008, 37 seniors participated in five cognitive training sessions based on creation of imagery and modification of self-efficacy for memory tasks. Objective: To carry out a follow-up evaluation after 18 months in order to detect possible maintenance of gains reported in the first post-test, namely, in measures of self-efficacy and episodic memory, and to evaluate the impact of a training booster, that is, test whether there are additional gains when training is offered for the second time to the same participants. Methods: 16 older adults agreed to participate in five training sessions for the second time. Participants were evaluated with the Mini Mental Status Examination - MMSE, the Geriatric Depression Scale - GDS, the Brief Cognitive Screening Battery - BCSB (naming and memorization of 10 pictures, animal category verbal fluency test, the Clock Drawing Test - CDT), the Story subtest from the Rivermead Behavioural Memory Test - RBMT, the Memory Complaint Questionnaire - MAC-Q, and the Picture and Story domains from the Memory Self-Efficacy Questionnaire - MSEQ used to evaluate the effectiveness of the first intervention. Results: This study reports the maintenance of the effects generated by the original training conducted in 2008, and follow-up evaluations detected the presence of potential additional gains in some aspects of memory. Conclusions: Training boosters may help maintain cognitive stability in adulthood and old age. PMID- 29213721 TI - Congenital prosopagnosia: A case report. AB - Prosopagnosia is a visual agnosia characterized by an inability to recognize previously known human faces and to learn new faces. The aim of this study was to present a forty-six year-old woman with congenital prosopagnosia, and to discuss the neural bases of perception and recognition of faces. The patients had a lifetime impairment in recognizing faces of family members, close friends, and even her own face in photos. She also had impairment in recognizing animals such as discriminating between cats and dogs. The patient's basic visual skills showed impairment in identifying and recognizing the animal form perception on the coding subtest of the WAIS-R, recognizing overlapping pictures (Luria), and in identifying silhouettes depicting animals and objects (VOSP). Unconventional tests using pictures evidenced impairment in her capacity to identify famous faces, facial emotions and animals. Her face perception abilities were preserved, but recognition could not take place. Therefore, it appears that the agnosia in this case best fits the group of categories termed "associative". PMID- 29213722 TI - Trichotillomania in a dementia case. AB - We report an 87-year-old male case of hair pulling associated with a white-matter vascular dementia (Binswanger's disease). Trichotillomania in our case did not resolve using mirtazapine or anticholinesterasic medication. Trichotillomania seems to be related to a form of perseveration associated with dementia. The findings in this case suggest the abnormality involving white matter in the pathogenesis of trichotillomania, may constitute a defect in connectivity in the right frontal-subcortical circuit. PMID- 29213723 TI - Brief reviews. PMID- 29213724 TI - In the June 2011 issue. PMID- 29213725 TI - Prospective memory in Alzheimer's disease and Mild Cognitive Impairment. AB - Prospective memory (PM) is defined as remembering to carry out intended actions at an appropriate point in the future, and can be categorized into three types of situation: time-, event-, and activity-based tasks. PM involves brain structures such as frontal and medial temporal cortices. The aim of this study was to review the currently available literature on PM in Alzheimer's disease and Mild Cognitive Impairment patients. We performed a search on Pubmed, Medline, ScieLO, LILACS and the Cochrane Library electronic databases from January 1990 to December 2010. The key terms used were: prospective memory, memory for intentions, delayed memory and memory for future actions, separately and also combined with the search terms dementia, Alzheimer's disease and Mild Cognitive Impairment. Both patient groups showed significant impairment in PM. Further studies are needed to verify the accuracy of PM tasks as an early marker of mild cognitive impairment, and initial dementia. PMID- 29213726 TI - Neural correlates of lexical-semantic memory: A voxel-based morphometry study in mild AD, aMCI and normal aging. AB - : Neuroanatomical correlations of naming and lexical-semantic memory are not yet fully understood. The most influential approaches share the view that semantic representations reflect the manner in which information has been acquired through perception and action, and that each brain area processes different modalities of semantic representations. Despite these anatomical differences in semantic processing, generalization across different features that have similar semantic significance is one of the main characteristics of human cognition. Methods: We evaluated the brain regions related to naming, and to the semantic generalization, of visually presented drawings of objects from the Boston Naming Test (BNT), which comprises different categories, such as animals, vegetables, tools, food, and furniture. In order to create a model of lesion method, a sample of 48 subjects presenting with a continuous decline both in cognitive functions, including naming skills, and in grey matter density (GMD) was compared to normal young adults with normal aging, amnestic mild cognitive impairment (aMCI) and mild Alzheimer's disease (AD). Semantic errors on the BNT, as well as naming performance, were correlated with whole brain GMD as measured by voxel-based morphometry (VBM). Results: The areas most strongly related to naming and to semantic errors were the medial temporal structures, thalami, superior and inferior temporal gyri, especially their anterior parts, as well as prefrontal cortices (inferior and superior frontal gyri). Conclusion: The possible role of each of these areas in the lexical-semantic networks was discussed, along with their contribution to the models of semantic memory organization. PMID- 29213727 TI - Performance of Brazilian children on phonemic and semantic verbal fluency tasks. AB - : The most used verbal fluency paradigms are semantic and letter fluency tasks. Studies suggest that these paradigms access semantic memory and executive function and are sensitive to frontal lobe disturbances. There are few studies in Brazilian samples on these paradigms. Objective: The present study investigated performance, and the effects of age, on verbal fluency tasks in Brazilian children. The results were compared with those of other studies, and the consistency of the scoring criteria data is presented. Methods: A sample of 119 children (7 to 10 years old) was submitted to the three phonemic fluency (F, A, M) tasks and three semantic fluency (animals, clothes, fruits) tasks. The results of thirty subjects were scored by two independent examiners. Results: A significant positive correlation was found between the scores calculated by the two independent examiners. Significant positive correlations were found between performance on the semantic fluency task and the phonemic fluency task. The effect of age was significant for both tasks, and a significant difference was found between the 7- and 9-year-old subjects and between the 7- and 10-year-old subjects. The 8-year-old group did not differ to any of the other age groups. Conclusion: The pattern of results was similar to that observed in previous Brazilian and international studies. PMID- 29213728 TI - Depressive symptoms in elderly participants of an open university for elderly. AB - : Although the prevalence of depressive disorders among the elderly is lower than among the younger population, the presence of significant symptoms of depression is common in this group. Studies report that participation in social, educational and leisure activities is related to fewer depressive symptoms in this population. Objective: The aim of this study was to examine the prevalence of depression among elderly participants of an Open University for the Third Age, in terms of the time studying. Methods: The study had a cross-sectional design and the participation of 95.2% (n=184) of total enrollers in the first half of 2010 on the activities of the Third Age Open University's School of Arts, Sciences and Humanities of the University of Sao Paulo. All participants answered a socio demographic questionnaire and the Geriatric Depression Scale (GDS-15). Results: An association between studying time of over one semester at the University of the Third Age and a lower rate of depressive symptoms, was observed. Conclusion: Study time of over one semester was associated with less depressive symptoms, acting as a possible protective factor against depression. PMID- 29213729 TI - Use of memory strategies among younger and older adults: Results from objective and subjective measures. AB - : Memory plays a fundamental role in the identity of people and in human life, as it enables us to interpret our surroundings and make decisions. It is known that the aging process can be accompanied by cognitive decline in some memory sub systems. However, the use of memory strategies can help encoding and retrieval of new information. Objective: The aim of this study was to identify and compare, using objective and subjective measures, which recall strategies are used spontaneously by young and older adults. Methods: Twenty-six first-year college students, and thirty-three seniors enrolled at the Third Age University of the same campus, completed a visual memory test including 18 black and white pictures, memorized a short story, and completed an open question about memory strategies, a memory check list to indicate strategies used, and a memory self efficacy scale. The Bousfield categorization measure was also calculated from the recall protocol. Results: Young adults demonstrated better performance than the older adults on the memory tasks, and were also more confident. Both groups reported using similar strategies. Conclusion: Young and older adults seem to tackle memory tasks in similar ways but young adults outperform seniors. PMID- 29213730 TI - Cognitive performance of long-term institutionalized elderly patients with schizophrenia: A case control study. AB - : Cognitive impairment is inherent to the ageing process. Several studies suggest that patients with late-life schizophrenia have more marked cognitive impairment. Objective: The aim of this study was to compare the cognitive performance of elderly institutionalized patients with schizophrenia and institutionalized elderly control patients without neurological or psychiatric diseases, matched for age, educational level and institutionalization time. Methods: The Cambridge Examination for Mental Disorders of the Elderly (CAMCOG) was used to test 10 institutionalized elderly patients with schizophrenia. Results were compared with those of 10 institutionalized control patients with history of Hansen's disease. Results: Patients with schizophrenia showed a worse performance in terms of total CAMCOG score and on its subtests of orientation, language, abstraction, and memory (p<=0.05). Patients with schizophrenia also disclosed a non-significant trend toward lower scores on the MMSE and on calculus. Conclusion: Findings demonstrated that schizophrenia was associated to worse cognitive impairment in long-term institutionalized elderly patients compared with institutionalized patients without neurological or psychiatric diseases. PMID- 29213731 TI - Verbal fluency: Effect of time on item generation. AB - : The distribution of item generation/time in the performance of elderly on verbal fluency (VF) remains unknown. Objective: To analyze the number of items, their distribution and impact of the first quartile on the final test result. Methods: 31 individuals performed the tests (average age=74 years; schooling=8.16 years). Results: The number of items produced in the first quartile differed from the other quartiles for both semantic and phonologic VF where 40% of items were produced in the first quartile. No effect of age was found and schooling influenced performance on the first and second quartiles of semantic VF and on the 1st, 2nd and 3rd quartiles of phonemic VF. Discussion: This study contributes with the finding that asymptotic levels are attained prior to the 30 seconds observed in other studies, being reached at the 15-second mark. Furthermore, schooling was found to be associated to the number of items produced in both the first and 2nd quartiles for semantic VF, and in 1st, 2nd and 3rd quartiles for phonemic fluency. Conclusion: The schooling effect was noted both in semantic and executive aspects of VF. The brief form of the VF test may represent a promising tool for clinical evaluation. PMID- 29213732 TI - Worries about memory loss and knowledge on Alzheimer's disease in community dwelling elderly from Brazil. AB - : Alzheimer's disease (AD) is the most common cause of dementia in the elderly. Efforts to determine risk factors for the development of AD are important for risk stratification and early diagnosis. Furthermore, there are no standardized practices for memory screening. Lack of knowledge on AD, perception of memory loss as part of normal aging, and poor socioeconomic conditions may also be implicated in the current situation of dementia. Objective: To evaluate knowledge of AD in a literate population of elders and correlate these findings with sociodemographic characteristics. Methods: A descriptive survey design study enrolled 994 volunteers from September 2007 to May 2008 in the city of Santos, Sao Paulo, Brazil, to answer a brief questionnaire consisting of 8 simple questions about knowledge of AD and worries about memory loss. Results: Greater knowledge about AD was associated with eight or more years of education, female gender and age between 60 and 70 years. Also, 52.8% of responders (95% CI - 49.5 56.0%) answered that memory loss is part of normal aging and 77.5% (95% CI - 74.7 80.1%) had never sought a doctor to evaluate their memories. Conclusion: Our study results reinforced that the first line of preventing late diagnosis of dementia is to act in health promotion, especially by targeting subjects older than 70 years of male gender and with lower educational level. It also provided evidence that strategies to promote physician initiative in treating memory problems are also paramount. PMID- 29213733 TI - Elderly patients with Alzheimer's disease and their family relationships: Caregiver perspectives. AB - Objective: The present study was to investigate the status of the family relationships of elderly patients with Alzheimer's disease from a caregiver's perspective. Methods: A total of sixteen relatives/caregivers of AD patients were assessed by applying a semi-structured questionnaire about family relationships. Frequency tables containing categorical variables (gender, schooling, personal income and current occupation) were compiled. Descriptive statistics were calculated of continuous variables such as age. Answers to open questions were submitted to Bardin's content analysis. The data were held on the Epidata program and statistical analysis was performed using the SPSS v.17.0 software package. Results: In line with the literature, the family was the main source of caregivers and the typical caregiver profile was female. In contrast to other studies, emotional burnout was not a major complaint in the sample studied. The ties created among family members and the life experience of each individual influences how interviewees cope with AD. Conclusion: The family relationships of caregivers of AD patients represent a constant challenge, due to changes in roles within the family structure as well as to disease progression. However, participation in psychological and socio-educational activities run by pioneering institutions in Brazil, act as a mediator of stress in the lives of both caregivers and patients. PMID- 29213734 TI - Deaf individuals who work with computers present a high level of visual attention. AB - : Some studies in the literature indicate that deaf individuals seem to develop a higher level of attention and concentration during the process of constructing of different ways of communicating. Objective: The aim of this study was to evaluate the level of attention in individuals deaf from birth that worked with computers. Methods: A total of 161 individuals in the 18-25 age group were assessed. Of these, 40 were congenitally deaf individuals that worked with computers, 42 were deaf individuals that did not work, did not know how to use nor used computers (Control 1), 39 individuals with normal hearing that did not work, did not know how to use computers nor used them (Control 2), and 40 individuals with normal hearing that worked with computers (Control 3). Results: The group of subjects deaf from birth that worked with computers (IDWC) presented a higher level of focused attention, sustained attention, mental manipulation capacity and resistance to interference compared to the control groups. Conclusion: This study highlights the relevance sensory to cognitive processing. PMID- 29213735 TI - Memory span measured by the spatial span tests of the Cambridge Neuropsychological Test Automated Battery in a group of Brazilian children and adolescents. AB - : The neuropsychological tests of spatial span are designed to measure attention and working memory. The version of the spatial span test in the Cambridge Neuropsychological Test Automated Battery (CANTAB) evaluates these functions through the recall of sequences of spatial locations presented to the subject. Objective: The present study investigated how age, gender and educational level might affect the performance of the non-verbal system. Methods: A total of 60 children and adolescents aged 6 to 18 years were assessed (25 males and 35 females). Results: The results showed no gender differences in test performance. Children with six or more years of education showed better performance than children with less than three years of education. Older children had more schooling and thus were able to recall a greater number of items. Span length values proved similar to a previous large normative study which also employed the CANTAB Spatial Span (De Luca et al., 2003). Conclusion: The similarity in performance of the Brazilian children and adolescents studied and the group of Australian participants examined by the cited authors, despite the socio-cultural and economical differences, points to the suitability of the task for the assessment of attention and working memory in Brazilian children. PMID- 29213737 TI - Brief reviews. PMID- 29213736 TI - Clinicopathologic analysis of progressive non-fluent aphasia and corticobasal degeneration: Case report and review. AB - Objective: To investigate progressive non-fluent aphasia and histopathologically proven corticobasal degeneration. Methods: We evaluated symptoms, signs, neuropsychological deficits, and radiology data longitudinally, in a patient with autopsy-proven corticobasal degeneration and correlated these observations directly to the neuroanatomic distribution of the disease. Results: At presentation, a specific pattern of cognitive impairment was evident with an extreme extrapyramidal motor abnormality. Follow-up examination revealed persistent impairment of praxis and executive functioning, progressive worsening of language performance, and moderately preserved memory. The motor disorder manifested and worsened as the condition progressed. Many of the residual nerve cells were ballooned and achromatic with eccentric nuclei. Tau-immunoreactive pathology was significantly more prominent in neurons in the frontal and parietal cortices and dentate nuclei than in temporal neocortex, hippocampi and brainstem. Conclusion: The clinical diagnosis of progressive non-fluent aphasia secondary to corticobasal degeneration hinged on a specific pattern of impaired cognition as well as an extrapyramidal motor disorder, reflecting the neuroanatomic distribution of the disease in frontal and anterior temporal cortices and the dentate nuclei. PMID- 29213738 TI - In the September 2011 issue. PMID- 29213739 TI - Criteria for the diagnosis of Alzheimer's disease: Recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology. AB - This consensus prepared by the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology is aimed at recommending new criteria for the diagnosis of dementia and Alzheimer's disease (AD) in Brazil. A revision was performed of the proposals of clinical and of research criteria suggested by other institutions and international consensuses. The new proposal for the diagnosis of dementia does not necessarily require memory impairment if the cognitive or behavioral compromise affects at least two of the following domains: memory, executive function, speech, visual-spatial ability and change in personality. For the purpose of diagnosis, AD is divided into three phases: dementia, mild cognitive impairment and pre-clinical phase, where the latter only applies to clinical research. In the dementia picture, other initial forms were accepted which do not involve amnesia and require a neuroimaging examination. Cerebrospinal fluid biomarkers are recommended for study, but can be utilized as optional instruments, when deemed appropriate by the clinician. PMID- 29213740 TI - Cognitive, functional and behavioral assessment: Alzheimer's disease. AB - A review of the evidence on cognitive, functional and behavioral assessment for the diagnosis of dementia due to Alzheimer's disease (AD) is presented with revision and broadening of the recommendations on the use of tests and batteries in Brazil for the diagnosis of dementia due to AD. A systematic review of the literature (MEDLINE, LILACS and SCIELO database) was carried out by a panel of experts. Studies on the validation and/or adaptation of tests, scales and batteries for the Brazilian population were analyzed and classified according to level of evidence. There were sufficient data to recommend the IQCODE, DAFS-R, DAD, ADL-Q and Bayer scale for the evaluation of instrumental activities of daily living, and the Katz scale for the assessment of basic activities of daily living. For the evaluation of neuropsychiatric symptoms, the Neuropsychiatric Inventory (NPI) and the CAMDEX were found to be useful, as was the Cornell scale for depression in dementia. The Mini-Mental State Examination has clinical utility as a screening test, as do the multifunctional batteries (CAMCOG-R, ADAS COG, CERAD and MDRS) for brief evaluations of several cognitive domains. There was sufficient evidence to recommend the CDR scale for clinical and severity assessment of dementia. Tests for Brazilian Portuguese are recommended by cognitive domain based on available data. PMID- 29213741 TI - Diagnosis of Alzheimer's disease in Brazil: Supplementary exams. AB - This article presents a review of the recommendations on supplementary exams employed for the clinical diagnosis of Alzheimer's disease (AD) in Brazil published in 2005. A systematic assessment of the consensus reached in other countries, and of articles on AD diagnosis in Brazil available on the PUBMED and LILACS medical databases, was carried out. Recommended laboratory exams included complete blood count, serum creatinine, thyroid stimulating hormone (TSH), albumin, hepatic enzymes, Vitamin B12, folic acid, calcium, serological reactions for syphilis and serology for HIV in patients aged younger than 60 years with atypical clinical signs or suggestive symptoms. Structural neuroimaging, computed tomography or - preferably - magnetic resonance exams, are indicated for diagnostic investigation of dementia syndrome to rule out secondary etiologies. Functional neuroimaging exams (SPECT and PET), when available, increase diagnostic reliability and assist in the differential diagnosis of other types of dementia. The cerebrospinal fluid exam is indicated in cases of pre-senile onset dementia with atypical clinical presentation or course, for communicant hydrocephaly, and suspected inflammatory, infectious or prion disease of the central nervous system. Routine electroencephalograms aid the differential diagnosis of dementia syndrome with other conditions which impair cognitive functioning. Genotyping of apolipoprotein E or other susceptibility polymorphisms is not recommended for diagnostic purposes or for assessing the risk of developing the disease. Biomarkers related to the molecular alterations in AD are largely limited to use exclusively in research protocols, but when available can contribute to improving the accuracy of diagnosis of the disease. PMID- 29213742 TI - Treatment of Alzheimer's disease in Brazil: I. Cognitive disorders. AB - This article reports the recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology for the treatment of Alzheimer's disease (AD) in Brazil, with special focus on cognitive disorders. It constitutes a revision and broadening of the 2005 guidelines based on a consensus involving researchers (physicians and non-physicians) in the field. The authors carried out a search of articles published since 2005 on the MEDLINE, LILACS and Cochrane Library databases. The search criteria were pharmacological and non-pharmacological treatment of cognitive disorders in AD. Studies retrieved were categorized into four classes, and evidence into four levels, based on the 2008 recommendations of the American Academy of Neurology. The recommendations on therapy are pertinent to the dementia phase of AD. Recommendations are proposed for the treatment of cognitive disorders encompassing both pharmacological (including acetyl-cholinesterase inhibitors, memantine and other drugs and substances) and non-pharmacological (including cognitive rehabilitation, physical activity, occupational therapy, and music therapy) approaches. Recommendations for the treatment of behavioral and psychological symptoms of dementia due to Alzheimer's disease are included in a separate article of this edition. PMID- 29213743 TI - Treatment of Alzheimer's disease in Brazil: II. Behavioral and psychological symptoms of dementia. AB - This article reports the recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology for the treatment of Alzheimer's disease (AD) in Brazil, with special focus on behavioral and psychological symptoms of dementia (BPSD). It constitutes a revision and broadening of the 2005 guidelines based on a consensus involving researchers (physicians and non-physicians) in the field. The authors carried out a search of articles published since 2005 on the MEDLINE, LILACS and Cochrane Library databases. The search criteria were pharmacological and non-pharmacological treatment of the behavioral and psychological symptoms of AD. Studies retrieved were categorized into four classes, and evidence into four levels, based on the 2008 recommendations of the American Academy of Neurology. The recommendations on therapy are pertinent to the dementia phase of AD. Recommendations are proposed for the treatment of BPSD encompassing both pharmacological (including acetyl cholinesterase inhibitors, memantine, neuroleptics, anti-depressives, benzodiazepines, anti-convulsants plus other drugs and substances) and non pharmacological (including education-based interventions, physiotherapy, occupational therapy, music therapy, therapy using light, massage and art therapy) approaches. Recommendations for the treatment of cognitive disorders of AD symptoms are included in a separate article of this edition. PMID- 29213744 TI - Effects of motor and cognitive dual-task performance in depressive elderly, healthy older adults, and healthy young individuals. AB - : Impairments in dual-task performance can be observed in healthy older adults when motor and cognitive assignments are applied simultaneously. According to the hypofrontality hypothesis, there may be a reduction in frontal cognitive function during exercise. Objective: The aim of the present study was to compare the performance changes on cognitive tests of depressive elderly (n=10), healthy older adults (n=10), and healthy young individuals (n=10) during cycle ergometer exercise. Methods: The groups were submitted to a working memory test, a short memory test and a semantic memory test, before and during a 20-minute cycle ergometer exercise at 80% of their age-predicted maximal heart rate. Results: Significant differences (p=0.04) were observed in scores on the digit backward test during exercise when young individuals were compared to healthy older adults. This result indicates that young subjects, as expected, had better performance than elderly. No significant differences were found among the groups for the digit forward subtest (p=0.40) or the vocabulary test (p=0.69). Conclusion: Data from this study showed that healthy older adults had impaired performance on higher cognitive tasks when these assignments were applied together with motor tasks. PMID- 29213745 TI - Neuropsychiatric symptoms as the main determinant of caregiver burden in Alzheimer's disease. AB - : Caregiver burden is common in Alzheimer's disease (AD), decreasing the quality of life among caregivers and patients. Projections of aging and aging-related diseases such as AD in developing countries justify additional data about this issue because people living in these countries have shown similarly high levels of caregiver strain as in the developed world. Objective: The aim of this study was to analyze the association of AD caregivers' burden with patients' neuropsychiatric symptoms (NPS), cognitive status, severity of dementia, functional capacity, caregiver sociodemographic characteristics, and the characteristics of care provided by caregivers. Methods: A cross-sectional study was conducted in a sample of 39 consecutive AD patients and their primary caregivers. NPS were evaluated using the Neuropsychiatric Inventory (NPI). Severity of dementia was assessed with the Clinical Dementia Rating (CDR) scale. Functional capacity was assessed using the Katz and Lawton scales. The burden level was rated using the Burden Interview (BI). Sociodemographic characteristics of caregivers and the characteristics of care provided by them were evaluated. The Mann-Whitney U-test, Kruskal-Wallis test and Spearman's rho coefficient were performed. Results: The BI had a moderate correlation with NPI intensity (rho=0.563), p<001. Female caregivers reported a greater level of burden (p=0.031) than male caregivers. The other variables were not significantly associated to caregiver burden. Conclusion: NPS were the main determinant of burden in primary caregivers of AD patients. This result underscores the need for prevention and treatment of these symptoms. Sex also had an effect on caregiver burden, but the small male sample in this study precludes the generalization of this finding. PMID- 29213746 TI - Brazilian air traffic controllers exhibit excessive sleepiness. AB - : Excessive sleepiness (ES) is an increased tendency to initiate involuntary sleep for naps at inappropriate times. Objective: The objective of this study was to assess ES in air traffic controllers (ATCo). Methods: 45 flight protection professionals were evaluated, comprising 30 ATCo, subdivided into ATCo with ten or more years in the profession (ATCo>=10, n=15) and ATCo with less than ten years in the profession (ATCo<10, n=15) and 15 aeronautical information services operators (AIS), subdivided into AIS with ten years or more in the profession (AIS>=10, n=8) and AIS with less than ten years in the profession (AIS<10, n=7), who were included as the control group. The Epworth Sleepiness Scale and Maintenance of Wakefulness Test were used for evaluating subjective and objective excessive sleepiness. Kruskal-Wallis was used for ES and Mann-Whitney for sleep latency (SL), collection time in minutes (mins), and expressed as Median (Minimum Maximum), p<0.05. Results: ATCo>=10 12 (6-14) mins and ATCo<10 10 (1-15) mins showed greater sleepiness compared to CONTROL1 7 (3-8) mins and CONTROL2 6 (4-6) mins, p=0.001*. A total of 77.27% of the ATCo and 16.67% of the AIS had an SL of less than 20 minutes. The ATCo presented an SL of 16.59 (3.25-40), lower than that of the AIS of 31.71 (10.63-40) mins, p<0.05*. Conclusion: Brazilian air traffic controllers exhibit excessive sleepiness. PMID- 29213747 TI - Subjective and psychological well-being of students of a University of the Third Age: Benefits of continuing education for psychological adjustment in the elderly. AB - Objectives: The present study sought to characterize the degree of general satisfaction with life and degree of satisfaction on four domains: health, physical capacity, mental capacity and social involvement, and to determine the characteristics of self-reports of individuals enrolled on the program in relation to their psychological well-being focusing on the dimensions: autonomy, personal growth, control, positive relationships with others, purpose, personal acceptance and generativity, and to analyse the effect of time studying on level of well-being. Method: A total of 140 elderly students of a University for the Third Age took part in the study. The Global Satisfaction With Life Scale and the Self Development Scale (with six psychological well-being subscales) were applied. Continuous variables for the two groups were compared using the Mann Whitney test. Spearman's correlation coefficient was used to analyze the relationship among numeric variables. Internal consistency of the instrument scales was analysed by calculating Cronbach's alpha coefficient. Results: Results showed that students who had attended the University of the Third Age for six months or longer had a higher level of satisfaction with life and greater psychological adjustment compared with new entrants to the same institution. Conclusion: The study results confirmed the positive effects of continuing education on the well-being of elderly and its contribution to successful aging. PMID- 29213749 TI - Brief reviews. PMID- 29213748 TI - Effects of a psychoeducational intervention in family caregivers of people with Alzheimer's disease. AB - : Psychoeducational activities are a way of promoting help for caregivers of patients with Alzheimer's disease, representing a forum for knowledge sharing, and in which the primary focus is on psychological themes aimed at carers developing coping skills and strategies. Objective: The main objective of this study was to gauge perceptions about care and its impact among family caregivers of patients with AD participating in a psychoeducational group intervention, as well as the possible positive and negative aspects associated with this role. The subjective impact of AD on the lives of these caregivers was assessed on each of the dimensions of the Caregiver Burden Scale using a semi-directed interview on perceptions about care. Methods: This was a prospective study, in which information was collected twice, before and after, psychoeducational intervention. Through the application of the scale, benefits were evident for all dimensions assessed in the instrument (general strain, isolation, disappointment, emotional involvement and environment). Results: The results showed that after the psychoeducational intervention, caregivers felt less burdened by care compared to pre-intervention. Conclusion: These findings confirm that expanded implementation of psychoeducational interventions for caregivers of patients with AD can be beneficial for both caregivers and patients. PMID- 29213750 TI - In the December 2011 issue. PMID- 29213751 TI - The possibility of physicalism. AB - Modern science has undermined belief in countless imaginary causalities. What is the nature of the relation between mind and brain? Philosophers have debated the issue for millennia, but it is only in the last twenty years that empirical evidence has begun to uncover some of the secrets of this ancient riddle. This lecture explores the possiblity that advances in neuroscience will undermine and subvert our intuitive, mentalist understanding of the mind-body relationship. Recent findings in neuroscience seem to support the notions that (i) mental events are a subclass of neurophysiological events, and (ii) they are devoid of causal efficacy upon the workings of the brain. If physicalism is true then the belief in the causal potency of conscious thoughts and free will are bound to join company with countless other imaginary causalities exploded by the progress of science. PMID- 29213752 TI - Vascular dementia: Diagnostic criteria and supplementary exams. Recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology. Part I. AB - Vascular dementia (VaD) is the most prevalent form of secondary dementia and the second most common of all dementias. The present paper aims to define guidelines on the basic principles for treating patients with suspected VaD (and vascular cognitive impairment - no dementia) using an evidence-based, systematized approach. The knowledge used to define these guidelines was retrieved from searches of several databases (Medline, Scielo, Lilacs) containing scientific articles, systematic reviews, meta-analyses, largely published within the last 15 years or earlier when pertinent. Information retrieved and selected for relevance was used to analyze diagnostic criteria and to propose a diagnostic system encompassing diagnostic criteria, anamnesis, as well as supplementary and clinical exams (neuroimaging and laboratory). Wherever possible, instruments were selected that had versions previously adapted and validated for use in Brazil that take into account both schooling and age. This task led to proposed protocols for supplementary exams based on degree of priority, for application in clinical practice and research settings. PMID- 29213753 TI - Vascular dementia: Cognitive, functional and behavioral assessment. Recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology. Part II. AB - Vascular dementia (VaD) is the most prevalent form of secondary dementia and the second most common of all dementias. The present paper aims to define guidelines on the basic principles for treating patients with suspected VaD (and vascular cognitive impairment - no dementia) using an evidence-based approach. The material was retrieved and selected from searches of databases (Medline, Scielo, Lilacs), preferentially from the last 15 years, to propose a systematic way to assess cognition, function and behavior, and disease severity staging, with instruments adapted for our milieu, and diagnosis disclosure. The present proposal contributes to the definition of standard diagnostic criteria for VaD based on various levels of evidence. It is noteworthy that only around half of the population of patients with vascular cognitive impairment present with dementia, which calls for future proposals defining diagnostic criteria and procedures for this condition. PMID- 29213754 TI - Treatment of vascular dementia. Recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology. AB - Scientific Department of Cognitive Neurology and Aging of ABN had a consensus meeting to write recommendations on treatment of vascular dementia, there was no previous issue. This disease has numerous particularities and can be considered a preventable dementia. Prevention treatment is primary care of vascular risk factors or a secondary prevention of factors that could cause recurrence of ischemic or hemorrhagic brain modifications. In these guidelines we suggested only symptomatic treatment, pharmacologic or non-pharmacologic. We have reviewed current publications on MEDLINE (PubMed), LILACS e Cochrane Library databases. Recommendations are concern to the following factors and their prevention evidences, association, or treatment of vascular dementia: physical activity, tobacco use, diet and food supplements, arterial hypertension, diabetes mellitus, obesity, statins, cardiac failure, atrial fibrillation, antithrombotics, sleep apnea, carotid revascularization, symptomatic pharmacological treatment. PMID- 29213755 TI - Differential diagnosis between dementia and psychiatric disorders: Diagnostic criteria and supplementary exams. Recommendations of the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology. AB - In 2005, the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neurology published recommendations for the diagnosis of Alzheimer's disease These recommendations were updated following a review of evidence retrieved from national and international studies held on PUBMED, SCIELO and LILACS medical databases. The main aims of this review article are as follows: 1) to present the evidence found on Brazilian (LILACS, SCIELO) and International (MEDLINE) databases from articles published up to May 2011, on the differential diagnosis of these psychiatric disorders and dementia, with special focus on Dementia due to Alzheimer's and vascular dementia, including a review of supplementary exams which may facilitate the diagnostic process; and2) to propose recommendations for use by clinicians and researchers involved in diagnosing patients with dementia. Differential diagnosis between dementia and other neuropsychiatric disorders should always include assessments for depression, delirium, and use of psychoactive substances, as well as investigate the use of benzodiazepines, anti-epileptics and pattern of alcohol consumption. PMID- 29213756 TI - Judgment in Mild Cognitive Impairment and Alzheimer's disease. AB - Judgment is the capacity to make decisions after considering available information, contextual factors, possible solutions and probable outcomes. Our aim was to investigate previous research studies regarding assessment of judgment in older adults with different degrees of cognitive impairment. To this end, a search of Pubmed and Lilacs electronic databases for studies published from January 1990 until August 2011 in English, Spanish and Portuguese was carried out. The terms used were "judgment" combined with the terms "dementia" or "Mild Cognitive Impairment" (MCI) or "Alzheimer's disease" (AD). Some studies showed that MCI and AD patients had impaired judgment. There is a lack of specific methods to measure judgment capacity, and data on judgment abilities in older adults with MCI and dementia are scarce. No studies with specific measures of judgment capacity in other dementias were found. PMID- 29213757 TI - Cognitive impairment in multiple system atrophy: Changing concepts. AB - Multiple system atrophy (MSA) is characterized by a variable combination of cerebellar ataxia, parkinsonism and pyramidal signs associated with autonomic failure. Classically, cognitive impairment was not considered a clinical feature of MSA and dementia was pointed out as an exclusion diagnostic criteria. Based on comprehensive neuropsychological assessment, cognitive impairment was found to be a frequent feature in MSA, and clinically-defined dementia is now reported in 14 16% of cases. This article reviews the current data on cognitive impairment in MSA along with its neuropsychological profile and pathophysiology. PMID- 29213759 TI - Cross-cultural Adaptation of the "Functional Activities Questionnaire - FAQ" for use in Brazil. AB - Objective: The aim of this paper was to present the results of the first stage of cross-cultural adaptation of the Functional Activities Questionnaire (FAQ). Methods: The tool was subjected to translation and re-translation, and the test retest reliability of a proposed version for use in Brazil was analyzed. Results: Of the 548 questionnaire respondents, a convenience sample of 68 informants was selected for retesting. Internal consistency was measured by Cronbach's alpha (0.95) while test-retest reliability was assessed using intra-class correlation (0.97). The findings have shown that FAQ is brief - averaging seven minutes to apply, easily understood and has good intra-rater test-retest reliability. Conclusion: Our results suggest this adapted version of the FAQ is a reliable and stable tool which may be useful for assessing function in Brazilian elderly. Notwithstanding, the version should be subjected to further analysis with the aim of reaching functional equivalence. PMID- 29213758 TI - A systematic review of the neurobiological aspects of memory in the aging process. AB - : A systematic review of the neuroanatomical literature was performed to determine the neuropharmacological aspects most relevant to the study of memory processes. Articles were retrieved using the search terms "biology of memory", "memory and aging", "memory impairment", "elderly and memory," and their equivalents in Portuguese. Of the studies surveyed, five studies dealt with epidemiological and demographic issues, 12 were clinical trials i.e. were based on testing and implementation of instruments in human subjects, 33 studies were basic research involving studies of mice, rats and non-human primates, and biochemical and in vitro trials and finally, 52 studies were literature reviews or book chapters which in our view, fell into this category. Conclusions: The work sought to highlight which neural networks are most involved in processing information, as well as their location within brain regions and the way in which neurotransmitters interact with each other for the formation of these memories. Moreover, it was shown how memory changes during the normal human aging process, both positively and negatively, by analyzing the morphological alterations that occur in the brain of aging individuals. PMID- 29213760 TI - Factors influencing possible delay in the diagnosis of Alzheimer's disease: Findings from a tertiary Public University Hospital. AB - : Alzheimer's disease (AD) is characterized by impairment in memory and autonomy, causing excessive pressure on family and an overburdened health care system. Early diagnosis, with the appropriate treatment, is important to reduce the pattern of disease progression. Objective: The study sought to identify the most probable causes of delay in diagnosis. Methods: A cross-sectional study involving AD patients followed at an Outpatient Geriatric Clinic from a tertiary public university hospital was conducted between June 2009 and February 2011. Results: Ninety-four patients were evaluated (66% women), aged 77.76+/-6.8 years and with median educational level of 3 years (95% CI 2.7-3.80). Regarding severity of dementia, 51.8% of patients were classified as having mild dementia (CDR 1), 40% moderate dementia (CDR 2) and 8.2% severe dementia (CDR 3). Mean educational level of caregivers was 8.3+/-3.9 years. Among those who believed there was a delay, 36% stated that the "family thought that the changes were normal for the age of the patient" reporting average delay of 1.8 years (95% CI: 1.3-2.5) while 45.3% stated that the "doctor did not reach a diagnosis" reporting a median delay of 1.5 years (95% CI: 1.4-2.3). Conclusion: Based on these results, it can be concluded the time between onset of symptoms and diagnosis was excessive. This study may be useful to help increase awareness of issues not sufficiently discussed in the literature, such as diagnostic delay and influence of caregivers' educational level on treatment. PMID- 29213761 TI - Influence of Rivastigmine transdermal on butyrylcholinesterase levels in patients with Alzheimer's disease. AB - : Cholinesterase inhibitors (ChE-Is) are among the main drugs approved for the treatment of Alzheimer's disease (AD). Rivastigmine in the form of a transdermal patch is an alternative delivery method, and can give greater treatment compliance. Objectives: To conduct a preliminary assessment of the neurocognitive and biological effects of oral and transdermal Rivastigmine in patients with AD and to identify a potential biological marker and demonstrate a possible relationship between esterase levels and behavioral scores of AD patients. Methods: Forty patients with AD were treated with cholinesterase inhibitors (ChE Is), evaluated using the MMSE and NPI, and simultaneously sampled to determine their serum levels of AChE and BuChE for 180 days. Results: The differences obtained between oral and transdermal forms, as assessed by the MMSE and NPI scores of the AD patients, were not significant at the three time points examined (0, 90, and 180 days). However, serum BuChE levels of the transdermal group differed significantly (p<0.0004) compared with those of the oral group at 90 days. Conclusion: Use of a transdermal ChE-I, rivastigmine tartrate significantly reduced BuChE levels in the AD patients studied. PMID- 29213763 TI - Brief reviews. PMID- 29213762 TI - Pragmatic and executive functions in traumatic brain injury and right brain damage: An exploratory comparative study. AB - Objective: To describe the frequency of pragmatic and executive deficits in right brain damaged (RBD) and in traumatic brain injury (TBI) patients, and to verify possible dissociations between pragmatic and executive functions in these two groups. Methods: The sample comprised 7 cases of TBI and 7 cases of RBD. All participants were assessed by means of tasks from the Montreal Communication Evaluation Battery and executive functions tests including the Trail Making Test, Hayling Test, Wisconsin Card Sorting Test, semantic and phonemic verbal fluency tasks, and working memory tasks from the Brazilian Brief Neuropsychological Assessment Battery NEUPSILIN. Z-score was calculated and a descriptive analysis of frequency of deficits (Z< -1.5) was carried out. Results: RBD patients presented with deficits predominantly on conversational and narrative discursive tasks, while TBI patients showed a wider spread pattern of pragmatic deficits. Regarding EF, RBD deficits included predominantly working memory and verbal initiation impairment. On the other hand, TBI individuals again exhibited a general profile of executive dysfunction, affecting mainly working memory, initiation, inhibition, planning and switching. Pragmatic and executive deficits were generally associated upon comparisons of RBD patients and TBI cases, except for two simple dissociations: two post-TBI cases showed executive deficits in the absence of pragmatic deficits. Discussion: Pragmatic and executive deficits can be very frequent following TBI or vascular RBD. There seems to be an association between these abilities, indicating that although they can co-occur, a cause consequence relationship cannot be the only hypothesis. PMID- 29213765 TI - Editorial: In the March 2012 issue. PMID- 29213767 TI - Neural correlates of behavioural symptoms in behavioural variant frontotemporal dementia and Alzheimer's disease: Employment of a visual MRI rating scale. AB - : Frontotemporal dementia (FTD) patients often present with severe behavioural disturbances and concomitant lack of insight. The underlying neural correlates of these disturbances are mostly attributed to prefrontal cortex dysfunction, but are still poorly understood. Objectives: The current study explores whether a simple visual magnetic resonance imaging (MRI) rating scale in combination with the Frontal System Behaviour Scale (FrSBe) can be used to identify the prefrontal correlates of behavioural symptoms in behavioural variant frontotemporal dementia (bvFTD) and Alzheimer's disease (AD). Methods: Forty-eight patients with a clinical diagnosis of bvFTD and AD participated in the study. Their behavioural profiles were assessed using the Frontal System Behaviour Scale (FrSBe) and cross correlated to the atrophy of the sub-regions in the prefrontal cortex using a 5 point visual rating scale of MRI scans. Results: Patients with bvFTD showed higher incidence of behavioural disturbances than AD with apathy being the most significant. BvFTD patients also showed the highest incidence of atrophy in the orbital frontal cortex and this atrophy was correlated with the apathetic features. Conclusions: Employment of a simple visual MRI rating scale can be used in combination with a behavioural screening test to identify reliably the behavioural symptoms in bvFTD and AD. These findings will inform the diagnostic accuracy of the neural correlates of behavioural dysfunction in bvFTD in the future. PMID- 29213766 TI - Cognitive assessment instruments in Parkinson's disease patients undergoing deep brain stimulation. AB - : Deep Brain Stimulation (DBS) is a widely used surgical technique in individuals with Parkinson's disease (PD) that can lead to significant reductions in motor symptoms. Objectives: To determine, from publications, the most commonly used instruments for cognitive evaluation of individuals with PD undergoing DBS. Methods: A systematic review of the databases: PubMed, Medline, EBECS, Scielo and LILACS was conducted, using the descriptors "Deep Brain Stimulation", "Verbal Fluency", "Parkinson Disease", "Executive Function", "Cognition" and "Cognitive Assessment" in combination. Results: The Verbal Fluency test was found to be the most used instrument for this investigation in the studies, followed by the Boston Naming Test. References to the Stroop Test, Trail Making Test, and Rey's Auditory Verbal Learning Test were also found. Conclusions: The validation of instruments for this population is needed as is the use of batteries offering greater specificity and sensitivity for the detection of cognitive impairment. PMID- 29213768 TI - A model for pediatric and neuropsychological screening assessment of children with learning disabilities. AB - Objectives: The high frequency of learning difficulties, attention disorders or developmental delay in children in the early years of schooling has resulted in a greater demand for pediatric services. Such services generally include assessments covering various specialties, are lengthy and often inaccessible to families due to prohibitively high cost. This paper presents an economically efficient model of interdisciplinary diagnosis. Methods: A group of 109 Brazilian students from public schools aged between 5 and 14 years old, referred by teachers for a history of learning disabilities, behavioral changes or language problems, was evaluated at the NANI (Nucleo de Atendimento Neuropsicologico Infantil). Assessments were performed simultaneously during a single day's attendance and comprised clinical-genetic examination, behavioral assessment and neuropsychological screening, specially developed for the process. The multiaxial system of DSM-IV was adopted for diagnostic description. Results: The results revealed heterogeneity in diagnoses which included specific learning disorders (25.7%), mild intellectual disabilities (17.43%), as well as suspected dysmorphic features (11.93%). Logistic regression showed good sensitivity of neuropsychological screening in the detection of predictive factors for specific developmental disorders, while working memory (p=0.05) and language (p=0.02) problems were found to be higher risk. Conclusions: The model adopted proved to be useful for defining the diagnosis of several conditions in infancy, and can be incorporated into specialized clinics such as psychiatric or developmental pediatric services. PMID- 29213769 TI - Executive functions and sustained attention: Comparison between age groups of 19 39 and 40-59 years old. AB - : Few studies involving the cognition of middle-aged adults are available in the international literature, particularly investigating the process of cognitive aging, executive components and attention. Objectives: The aim of this study was to investigate whether there are differences in performance on neuropsychological tasks of executive functions and sustained attention between two age groups. Methods: The sample consisted of 87 adults aged from 19 to 59 years old, divided into two groups according to the age variable (younger adults and middle-aged adults). All participants were Brazilian and had no sensory, psychiatric or neurological disorders; subjects also had no history of alcohol abuse, and no self-reported use of illicit drugs or antipsychotics. The neuropsychological instruments administered were the Hayling Test, Trail Making Test, Bells Test and verbal fluency tasks. Results: Groups showed no significant differences in relation to sociodemographic variables, educational level or frequency of reading and writing habits. The younger adult group performed better than the middle-aged group on tasks that involved mainly processing speed, cognitive flexibility and lexical search. Conclusions: These findings serve as a valuable reference for cognitive processing in middle-aged adults, since a large number of comparative studies focus only on the younger and later phases of adulthood. Additional studies are needed to investigate possible interaction between different factors such as age and education. PMID- 29213770 TI - Training of executive functions in healthy elderly: Results of a pilot study. AB - : Executive functions (EF) refer to the cognitive skills necessary to formulate a goal, plan, execute plans effectively, and to perform self-monitoring and self correction. Several aspects of EF change during the normal aging process. Objectives: To train skills associated with executive functions in the elderly and to detect possible impact on objective EF tests and self-reports of functional status. Methods: A cross-sectional study involving an intervention and pre and post testing was carried out. Study participants included 26 seniors assigned to an experimental group (EG) and given six sessions of cognitive intervention, and 17 seniors assigned to a control group (CG) who completed pre and post testing only. All participants were enrolled in an Open University for the Third Age. The following tests were used to measure outcome: the Mini-Mental State Examination (MMSE), the Geriatric Depression Scale (GDS), the Story subtest of the Rivermead Behavioral Memory Test (RBMT) (versions A and B), semantic verbal fluency fruit category, and verbal fluency with phonological constraints (FAS), WAIS-III Digit Span, Clock Drawing Test (CDT), Trail Making Part A and the Pfeffer Functional Assessment Questionnaire (PFAQ). Delta scores were calculated (post-test score minus pretest score) to assess the impact of the intervention. Results: In the post test, the CG showed significant improvement on the RBMT Story recall and Digit Span but a decline in verbal fluency. The EG remained stable in terms of pre and post test scores. Conclusions: The intervention did not enhance performance on the EF tests. It is noteworthy that the EG received only a small number of sessions which may not have been sufficient to generate improvement. Alternatively, the lack of group differences observed could be associated to participation in other workshops offered at the university. PMID- 29213771 TI - Screening of cognitive impairment by general internists using two simple instruments. AB - : General internists (GIs) tend to overlook cognitive impairment in the elderly. Lack of time to diagnose and/or poor knowledge on how to use screening instruments may be the reasons for this shortcoming. Objectives: To verify the efficacy of simple instruments in the screening of cognitive impairment in elders. Methods: In a previous study, 248 patients aged >=65 that had been assisted by GIs within outpatient services of a public university hospital in Sao Paulo, Brazil, were evaluated. The Mini-Mental State Examination and/or the Informant Questionnaire on Cognitive Decline in the Elderly (short-IQCODE) were employed to classify patients into probable cognitively impaired cases or otherwise. Other tests and questionnaires were also applied, but were not used to perform this classification. After full assessment and consensus meetings, cases were classified into dementia, cognitively impaired not demented, and without cognitive impairment. In this study, the sensitivity and specificity of the combined use of the category fluency test (CFT) and the Functional Activities Questionnaire (FAQ) was evaluated as if used as screening instruments for the whole sample. Results: The combined use of the CFT and/or FAQ showed sensitivity of 88.3% and specificity of 76.5% in the screening of cognitive impairment for the whole sample. Conclusions: Two simple and easy-to-apply instruments showed high sensitivity and reasonable specificity, and are probably useful for the screening of cognitive impairment in the elderly in outpatient services. PMID- 29213772 TI - Early and severe cognitive impairment in multiple sclerosis. AB - Objectives: To report on four new cases of severe cognitive impairment in the early stages of multiple sclerosis (MS) and to review data on the subject since few cases have been reported worldwide. Methods: Retrospective evaluation of medical records of patients with severe cognitive impairment within the first five years of MS diagnosis. Results on neuropsychological tests and magnetic resonance imaging (MRI) were disclosed. Results: Four patients from different Brazilian neurological departments in Brazil were evaluated, all presenting with severe cognitive dysfunction classified as rapidly developing dementia. MRI images showed severe brain atrophy and basal ganglia lesions in all patients. Conclusions: Although rare, severe cognitive impairment in MS represents an important disability and may ultimately constitute another form of the disease. PMID- 29213773 TI - Life quality, depression and anxiety symptoms in chronic post-traumatic headache after mild brain injury. AB - : Post-traumatic headache (PTH) is the most common symptom found in the post traumatic syndrome, whose onset occurs within seven days of the trauma. The condition is characterized as acute when it persists for up to 3 months. PTH beyond this period is considered chronic. Objectives: The objective of this study was to determine the clinical features of chronic post-traumatic headache (cPTH) and its association with depression, anxiety and quality of life. Methods: A total of 73 female subjects were evaluated. Patients were divided into three groups: (a) group without headache, CONTROL, n=25; (b) cPTH group, n=19; and (c) MIGRAINE, n=29, with all subjects in the 11-84 year age group. Symptoms of anxiety and depression were evaluated by the Beck inventories of anxiety and depression, and quality of life assessed by the Lipp and Rocha quality of life inventory. Qualitative variables were analyzed using the Chi-square or Fisher's exact tests and expressed as percentages whereas quantitative variables were analyzed by ANOVA, Mann-Whitney or Kruskal-Wallis tests with data expressed as mean+/-standard deviation, p<0.05. Results: Subjects with cPTH presented with headache manifesting similar features to those found in migraine. The cPTH group was associated with similar levels of anxiety and depression to the migraine group and higher than the CONTROL (p<0.001). Quality of life of individuals with cPTH was similar to that of subjects with migraine and lower than CONTROL subjects (p<0.05). Conclusions: cPTH presents similar clinical characteristics to migraine. Subjects with cPTH had high levels of anxiety and depression symptoms and reduced quality of life. PMID- 29213774 TI - Acquired hepatocerebral degeneration: A case report. AB - Acquired hepatocerebral degeneration is an underdiagnosed neurologic syndrome characterized by parkinsonism, ataxia or other movement disorders and by neuropsychiatric and cognitive symptoms. It occurs in patients with chronic liver disease, especially those who develop portosystemic shunting and is often unrecognized as a cause of cognitive decline. Recently, its pathogenesis has been associated with manganese accumulation in basal ganglia and some treatments proposed. The aim of this article was to report a case and discuss some discoveries in connection with the disease. PMID- 29213776 TI - In the June 2012 issue. PMID- 29213775 TI - Frontotemporal dementia and neurocysticercosis: A case report. AB - We report a case of a 67-year-old woman with frontotemporal dementia (FTD) and a history of neurocysticercosis. After her retirement she showed progressive behavioral changes and neuropsychiatric symptoms with relative preservation of cognitive functioning. During the next three years, the patient manifested progressive deterioration of verbal communication gradually evolving to mutism, a hallmark of cases of progressive nonfluent aphasia. PMID- 29213777 TI - Cognitive impairment in migraine: A systematic review. AB - : Patients with migraine often report cognitive complaints, especially regarding attention and memory. Objective: To perform a systematic review of the studies available on cognitive evaluation in patients with migraine. Methods: We evaluated all articles containing the key words: "Migraine", "Cognition" and "Cognitive Impairment." Results: The search strategy resulted in 23 articles. Fifteen out of the 23 studies (65.3%) retrieved reported abnormalities on neuropsychological tests in migraine patients, notably tests of memory, attention and information processing speed. Most of the studies showing cognitive changes in migraine were carried out in neurological care facilities. Conversely, among community-based studies, migraine patients were less likely to present cognitive changes. Conclusion: Patients with migraine, especially those followed at neurology clinics, show an elevated risk of mild changes in several cognitive domains. Further studies with greater methodological refinement are warranted in order to clearly establish whether this cognitive dysfunction is associated with an underlying migraine pathophysiological process. PMID- 29213778 TI - The influence of diabetes mellitus II on cognitive performance. AB - Background: The association between diabetes mellitus and cognitive dysfunction is becoming increasingly clear, rendering it necessary for physicians in charge of diabetic patients to have the means to assess cognitive performance. Simple tests that can be applied during routine consultations may be useful for monitoring cognitive function during the course of diabetes. Objective: The objective of the present study was to assess cognition in diabetes mellitus type II (DM-II) using simple tests that can be incorporated into routine medical practice. Methods: A cross-sectional study including healthy controls and DM-II patients was carried out between May and September 2011. Volunteers aged 60 years and over were assessed by means of figure recognition, verbal fluency and the 10*36 tests. Results: A group of 100 participants was divided into a subgroup of 50 DM-II patients and a subgroup of 50 healthy volunteers. No statistical difference regarding demographic characteristics was found between the two groups. Results on the 10*36 test showed significantly worse performance among DM II patients (p<0.0001). Assessment of the DM-II subgroup in terms of disease duration showed statistically significant differences (p<0.001) on figure recognition and verbal fluency, with worse cognitive performance among individuals with longer disease duration, irrespective of gender or age. Conclusion: Figure recognition, verbal fluency and 10*36 tests are easy to apply and could be used in routine medical practice for the early detection of cognitive dysfunction among patients with DM-II. PMID- 29213779 TI - Screening for cognitive impairment in late onset depression in a Brazilian sample using the BBRC-Edu. AB - : Depression and dementia are the most prevalent neuropsychiatric disorders in the elderly population. Alzheimer's disease is the leading cause of dementia in most countries, being responsible for more than half of all dementia cases. Late onset depression is a frequent cause of cognitive decline in the elderly. Differentiating between cognitive impairment secondary to depression and incipient dementia poses a challenge in the clinical setting. Objective: To evaluate the performance of elderly depressed patients using the BBRC-Edu. Methods: We studied 25 patients with late onset depression (mean age: 73.6 y (6.6); schooling: 9.1 y (5.7)) and 30 patients with mild AD (mean age 76.6 y (5.4); schooling: 7.5 y (7.1)), who were compared to a control group of 30 healthy elderly (mean age 73.8 y (5.8); schooling: 9.1 y (5.4)) using the CERAD and BBRC-Edu batteries. Results: For the CERAD battery, depressed patients performed better than AD patients on all tasks (p<0.0001) except for Constructional Praxis (p>0.05), and performed poorer than controls on verbal fluency (animals) and Word List Recall tasks (p<0.0001). For the BBRC-Edu, depressed patients performed better than AD patients on all tasks (p<0.0001) except for Digit Span (direct order) (p=0.076) and Incidental Memory (p>0.05), and performed worse than controls on Learning (second presentation) and verbal fluency (fruits) tasks (p<0.0001). Conclusion: Overall performance on the BBRC Edu allowed differentiation of controls and depressed patients from AD patients. PMID- 29213780 TI - Visual reproduction test in normal elderly: Influence of schooling and visual task complexity. AB - : Tests of visual reproduction are used to assess visual memory. However, when the test is based on geometrical elements results could be influenced by schooling. Objective: To evaluate the influence of different schooling levels on performance of a visual reproduction task. Methods: A sample of 253 individuals (66 male and 187 female), aged 60 to 92 years were evaluated on a visual reproduction task comprising three geometric pictures of increasing complexity. Each individual was shown a picture for 8 to 10 seconds and a drawing of it was then immediately elicited. Four groups were defined according to the following schooling levels: illiterate, 1 to 4 years, 5 to 8 years and over 8 years. Individual performance was measured by summing the items correctly reproduced for the three pictures. Results: A significant difference for age was found between the illiterate and other three schooling groups. The reproduction of picture one was better reproduced than pictures 2 and 3 for all schooling levels (p<0.001). Pictures 2 and 3 did not differ among the schooling levels. Picture reproduction among the schooling levels showed that the group with over 8 years of schooling performed better on pictures 1 and 2 (p<0.001) but not on picture 3. Conclusion: Individuals aged 60 years or older, with 8 years' schooling or less, showed a reduced capacity to reproduce geometric pictures of a high degree of complexity. Clinical evaluations that use geometrical tests could be misinterpreted when not controlled for schooling level. PMID- 29213781 TI - Neuropsychological performance differences between two groups of probable-AD patients from different areas of Brazil. AB - : During normal aging there are some cognitive and behavioral changes similar to those observed in a transitional state or mild cognitive impairment (MCI) and early onset dementia, making it challenging for health care professionals to reach an accurate and reliable diagnosis. Objective: The current study examined the performance of two different groups of patients diagnosed with probable Alzheimer's disease (AD) on a neuropsychological test battery. Methods: Twenty two AD patients from Brasilia-DF (AD1) and thirty-four AD patients from Palmas TO, northern Brazil (AD2), were selected and a short neuropsychological battery administered. To verify the reliability of these previous diagnoses of AD, both groups of patients were compared with a group of healthy controls. Results: AD patients showed cognitive deficit but scores were lower for the AD2 group compared with the AD1 group considering the cut-off point. Notably, patients from the AD1 group were older (p=0.004) and had less formal education (p<0.001) than those from the AD2 group. Comparing different cognitive domains between AD groups, post hoc analysis showed that the AD1 group was characterized by deficits in episodic memory retrieval (p<0.001), semantic memory (p<0.001) and verbal fluency (p<0.001). In contrast, the AD2 group showed lower scores in attention (p=0.007), executive functioning (p<0.001) and working memory (p<0.001). Conclusion: This pattern suggests that the Palma group of patients had a neuropsychological profile that was inconsistent with AD. Although the results of this study have important clinical implications, the effects of age, education, and gender on cognitive performance should be explored further. PMID- 29213782 TI - Brief reviews. PMID- 29213783 TI - In the September 2012 issue. PMID- 29213784 TI - Vascular dementia: Current concepts and nomenclature harmonization. AB - Several types of cerebrovascular lesions are associated with cognitive decline, but the role of each type in dementia manifestation has yet to be determined. One of the greatest barriers of conducting clinicopathological studies in vascular dementia concerns the overlapping of nomenclature for these lesions. The aim of the present review was to discuss current nomenclature for cerebrovascular lesions and suggest modifications to allow better diagnostic reproducibility in this field. PMID- 29213785 TI - Cognitive function and carotid stenosis: Review of the literature. AB - Stroke is a known cause of cognitive impairment but the relationship between asymptomatic carotid artery stenosis and cognitive function is not clear. The main risk factors for vascular disease are also related to carotid stenosis and cognitive impairment. The association of high-grade stenosis of the internal carotid artery with cognitive impairment is related to silent embolization and hypoperfusion, but it may also be present without evidence of infarction on magnetic resonance imaging. Carotid stenosis treatment may lead to a decline in cognitive function due to complications related to the procedures (endarterectomy or stenting). On the other hand, reperfusion may improve cognitive impairment. The best treatment choice is unclear, considering possible deterioration of cognitive function related to carotid artery stenosis. There is insufficient evidence to consider cognitive impairment an important factor in determining the therapy for carotid stenosis. PMID- 29213786 TI - Relationship between cortical microinfarcts and cognitive impairment in Alzheimer's disease. AB - Cerebrovascular disease and AD pathology co-exist in most dementia cases, and microinfarcts (MIs), particularly if cortical and multiple, play an additive and independent role in AD cognitive impairment. The main cause of cortical MIs is chronic cerebral hypoperfusion but occlusive vascular diseases, embolism and blood-brain barrier disruptions, isolated or combined, may also play a role. The precise mechanisms by which MIs cause cognitive impairment are not well known, but one plausible explanation is that they are widespread and accompanied by diffuse hypoperfusion, hypoxia, oxidative stress and inflammation, particularly in the watershed areas of the tertiary association cortex, and hence could damage cognition networks and explain many of AD's cognitive and behavioral disturbances. Therefore, it is crucial to control vascular risk factors and avoid uncontrolled use of the antihypertensives, neuroleptics and other sedative drugs frequently prescribed to AD patients. PMID- 29213787 TI - Vascular Parkinsonism and cognitive impairment: literature review, Brazilian studies and case vignettes. AB - Vascular Parkinsonism (VP) is a form of secondary Parkinsonism resulting from cerebrovascular disease. Estimates of the frequency of VP vary greatly worldwide; 3% to 6% of all cases of Parkinsonism are found to have a vascular etiology. In a Brazilian community-based study on Parkinsonism, 15.1% of all cases were classified as VP, the third most common form, with a prevalence of 1.1% in an elderly cohort. Another Brazilian survey found a prevalence of 2.3% of VP in the elderly. VP is usually the result of conventional vascular risk factors, particularly hypertension, leading to strategic infarcts of subcortical gray matter nuclei, diffuse white matter ischaemic lesions and less commonly, large vessel infarcts. Patients with VP tend to be older and present with gait difficulties, symmetrical predominant lower-body involvement, poor levodopa responsiveness, postural instability, falls, cognitive impairment and dementia, corticospinal findings, urinary incontinence and pseudobulbar palsy. This article intends to provide physicians with an insight on the practical issues of VP, a disease potentially confounded with vascular dementia, idiopathic Parkinson's disease, dementia with Lewy bodies and other secondary causes of Parkinsonism. PMID- 29213788 TI - Dysexecutive syndrome and cerebrovascular disease in non-amnestic mild cognitive impairment: A systematic review of the literature. AB - Objective: Non-amnestic dysexecutive Vascular Mild Cognitive Impairment (VaMCI) may represent preclinical Vascular Dementia (VaD). The aim of this study was to summarize the clinical, neuropsychological and neuroimaging aspects of VaMCI; and to assess its patterns of progression to dementia. Methods: Searches were made in the ISI Web of Knowledge, PubMed and Lilacs databases, using the terms "mild cognitive impairment" and "executive function". Altogether, 944 articles were retrieved. Results: VaMCI cases had poorer performances on fronto-executive tasks, a higher prevalence of stroke, presence of periventricular and profound white matter hyperintensities on MRI images, as well as more extrapyramidal signs and behavioral symptoms. Executive dysfunction might be associated with disconnection of fronto-parietal-subcortical circuits. Progression to dementia was associated with baseline deficits in executive function, in simple sustained attention and language, and large periventricular WMH. Discussion: VaMCI develops with impairment in non-memory domains and subcortical white matter changes on MRI images, which are consistent with clinical and neuroimaging findings in VaD. PMID- 29213789 TI - Association among depression, cognitive impairment and executive dysfunction after stroke. AB - : The relationship between depression and cognitive impairment, frequent after stroke, is complex and has not been sufficiently elucidated. Objective: To review the relationship between post-stroke depression and cognitive impairment. Methods: We performed a PubMed database search spanning the last ten years, using the terms post-stroke depression, cognitive dysfunction, cognitive impairment and neuropsychological tests. Our target studies were original quantitative studies that investigated the relationship between post-stroke depression (PSD) and cognitive impairment in stroke patients. Articles published in English, Spanish, Italian and Portuguese were considered. Selection criteria were the use of neuropsychological tests to assess cognitive function, and of either instruments to diagnose major depression, or scales to assess depressive symptoms, within the first three months after stroke. Results: Six original quantitative studies fulfilled the criteria. The prevalence of PSD within the first three months after stroke ranged from 22% to 31%. Incidence ranged from 25% to 27% and was evaluated in only two studies. PSD was associated with increased cognitive impairment. Cognitive impairment was reported in 35.2% to 87% of the patients. Post-stroke cognitive deficits were reported mostly in executive function, memory, language, and speed of processing. Conclusion: Executive dysfunction and depression occur in stroke survivors, are frequently coexistent, and also associated with worse stroke prognosis. Healthcare professionals need to address and provide adequate treatment for depression and executive dysfunctions in stroke patients early in the first three months after stroke. Future studies should evaluate the efficacy of programs evaluating the early detection and treatment of PSD and executive dysfunction in stroke survivors. PMID- 29213790 TI - Diffusion tensor imaging studies in vascular disease: A review of the literature. AB - : Cerebrovascular disease (CVD) is often present in old age and may be associated with microstructural pathology of white matter (WM) and cognitive dysfunction. The current review investigated the relationship between CVD, cognitive status and WM integrity as assessed by diffusion tensor imaging (DTI). Methods: DTI studies were searched on ISI and Pubmed databases from 2002 to 2012. Results: Studies evidenced DTI changes in WM as associated with vascular disease and provide increasing support for DTI as a valuable method for early detection of CVD. Conclusion: DTI parameters can serve as important biomarkers in monitoring vascular disease progression and treatment response and may represent a surrogate marker of WM tract integrity. PMID- 29213791 TI - Vascular Cognitive Impairment (VCI) after non-embolic ischemic stroke during a 12 month follow-up in Brazil. AB - : VCI represents a spectrum of cognitive impairments associated with stroke, vascular brain injury, or subclinical disease ranging from the least to most severe manifestations. Few studies are available on the prevalence of post-stroke VCI and none have been conducted in Brazil. Objective: To determine the prevalence rates of VCI and associated risk factors in a sample of ischemic stroke patients. Methods: We evaluated 172 patients with ischemic stroke for cognitive impairment one year after ictus. Results: Patients comprised 81 women (47.1%) and had a mean age of 67.77 (7.86) years, schooling of 3.52 (2.99) years, and MMSE score of 24.94 (3.59) points. After cognitive evaluation, 4.6% were diagnosed as CIND (cognitive impairment no dementia) and 12.2% had a diagnosis of dementia (probable vascular dementia in 20 patients and one subject with cerebrovascular disease and Alzheimer's disease). Conclusion: The prevalence of dementia was lower than previous reports but our sample had a lower age than others, while a 12 month-period of follow-up prevented interference from associated neurodegenerative disorders. PMID- 29213792 TI - NEUROPSI battery subtest profile in subcortical vascular dementia and Alzheimer's disease. AB - Objective: To investigate the diagnostic value of subtests of the NEUROPSI battery for differentiating subcortical vascular dementia (SVaD) from Alzheimer's disease (AD). Methods: Thirteen patients with mild SVaD, 15 patients with mild probable AD, and 30 healthy controls, matched for age, education and dementia severity (in the case of patients), were submitted to the Mini-Mental State Examination (MMSE) and NEUROPSI battery. The performance of AD and SVaD groups on NEUROPSI subtests was compared. The statistical analyses were performed using Kruskal-Wallis, Chi-square and Mann-Whitney tests. The results were interpreted at the 5% significance level (p<0.05). Bonferroni's correction was applied to multiple comparisons (alpha=0.02). Results: SVaD and AD patients showed no statistical difference in MMSE scores (SVaD=20.8 and AD=21.0; p=1.0) or in NEUROPSI total score (SVaD=65.0 and AD=64.3; p=0.56), suggesting a similar severity of dementia. The AD group performed worse on memory recall (<0.01) and SVaD group was worse in verbal fluency subtests (p=0.02). Conclusion: NEUROPSI's memory and language subtests can be an auxiliary tool for differentiating SVaD from AD. PMID- 29213793 TI - Behavioral and psychological symptoms and hippocampal atrophy in subcortical ischaemic vascular disease. AB - Background: Neuropsychiatric symptoms are common in patients with cognitive impairments, mediated by both neurodegenerative processes and cerebrovascular disease. Previous studies have reported that Behavioral and Psychological Symptoms of Dementia (BPSD) might correlate with severity of cognitive decline. Thus far, the impact of the association between white-matter hyperintensities (WHM) and hippocampal atrophy (HA) on the incidence of these symptoms has been less studied. Objective: This cross-sectional study aimed to describe the clinical profile of a sample with large extensions of WMH, examining the association between different degrees of HA and cognitive, functional, and behavioral status. Methods: Fifty outpatients (mean age: 76.86+/-8.70 years; 58% female; mean schooling: 7.44+/-4.69 years) with large extensions of WMH (modified Fazekas scale=3) on MRI and different degrees of hippocampal atrophy (according to de Leon Score) underwent cognitive, functional, and behavioral assessments. Results: Patients with mild-moderate to severe HA had worse performance on the Mini-Mental State Examination, Cambridge Cognitive Examination, Clinical Dementia Rating and Pfeffer's Functional Activities Questionnaire, compared to the group with none or questionable HA. Appetite/Eating Behavior was the only cluster of neuropsychiatric symptoms associated with presence of HA in Vascular Cognitive Impairment patients. Discussion: Although HA may exhibit distinct impact on cognitive performance and functional status, it appears to have little effect on behavioral symptoms in patients with high severity WMH. PMID- 29213795 TI - CADASIL: case report. AB - Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a hereditary cerebral arteriopathy caused by mutations in the Notch-3 gene. The diagnosis is reached by skin biopsy revealing presence of granular osmiophilic material (GOM), and/or by genetic testing for Notch-3. We report a case of a 52-year-old man with recurrent transient ischemic attacks (TIA), migraine, in addition to progressive sensory, motor and cognitive impairment. He was submitted to a neuropsychological assessment with the CERAD (Consortium to Establish a Registry for Alzheimer's Disease) battery along with other tests, as well as neuroimaging and genetic analysis for Notch-3, confirming the diagnosis. Executive function, memory, language and important apraxic changes were found. Imaging studies suggested greater involvement in the frontal lobes and deep areas of the brain. PMID- 29213794 TI - Clinical assessment, neuroimaging and immunomarkers in Chagas disease study (CLINICS): Rationale, study design and preliminary findings. AB - : Chagas disease (CD) is an important cause of cardiomyopathy and stroke in Brazil. Brain infarcts and atrophy seem to occur independently of cardiomyopathy severity and cognitive impairment is understudied. Objective: Compare the prevalence of brain magnetic resonance imaging abnormalities between patients with or without CD; determine if inflammatory biomarkers are increased in CD; and determine the efficacy of aspirin in reducing the rate of microembolization in these patients. Methods: 500 consecutive patients with heart failure will undergo a structured cognitive evaluation, biomarker collection and search for microembolic signals on transcranial Doppler. The first 90 patients are described, evaluated with cognitive tests and brain magnetic resonance imaging to measure N-acetyl aspartate (NAA), choline (Cho), myo-inositol (MI) and creatine (Cr). Results: Mean age was 55+/-11 years, 51% female, 38 (42%) with CD. Mean NAA/Cr ratio was lower in patients with CD as compared to other cardiomyopathies. Long-term memory and clock-drawing test were also significantly worse in CD patients. In the multivariable analysis correcting for ejection fraction, age, sex and educational level, reduced NAA/Cr (p=0.006) and cognitive dysfunction (long-term memory, p=0.023; clock-drawing test, p=0.015) remained associated with CD. Conclusion: In this preliminary sample, CD was associated with cognitive impairment and decreased NAA/Cr independently of cardiac function or educational level. PMID- 29213796 TI - Vascular cognitive impairment in Pemphigus vulgaris: A case report. AB - Pemphigus vulgaris is a systemic auto-immune medical condition that mainly manifests with changes in skin and vasculopathy. This is a case report of a 69 year-old male with confirmed histopathologic diagnosis of Pemphigus vulgaris presenting ulterior Cognitive Impairment, mostly in executive function. The patient was treated using steroids, immunomodulatory therapy, fluoxetine and galantamine. Neuropsychological testing and magnetic resonance (MRI) were performed. This is the first report of correlational cognitive impairment with Pemphigus vulgaris in the literature. Physicians should be aware of vascular causes for cognitive impairment in patients presenting auto-immune conditions. PMID- 29213797 TI - In the December 2012 issue. PMID- 29213798 TI - Occupational health, cognitive disorders and occupational neuropsychology. AB - Work can be an important etiologic factor in the genesis of some mental disorders including cognitive disability. Occupational neuropsychology constitutes an intriguing new but neglected area of research and clinical practice which deals with the neurocognitive consequences of the work environment and work habits. Neuropsychological knowledge is fundamental to understand cognitive requirements of work competence. Work can impact sleep patterns and mental energy, which in turn can cause neuropsychological symptoms. This report presents relevant evidence to illustrate the relationship between work and cognitive dysfunction. PMID- 29213799 TI - Relationship between structural abnormalities in the cerebellum and dementia, posttraumatic stress disorder and bipolar disorder. AB - : New evidence suggests that the cerebellum has structural and functional abnormalities in psychiatric disorders. Objective: In this research, the goal was to measure the volume of the cerebellum and its subregions in individuals with psychiatric disorders and to relate these findings to their symptoms. Methods: Patients with different degrees of cognitive impairment (Epidemiology of the Elderly - UNIFESP) and patients with post-traumatic stress disorder (PTSD) from population studies were analyzed. Also, patients with bipolar disorder from an outpatient clinic (Center for the Study of Mood and Anxiety Disorders, Universidade Federal da Bahia) were recruited for this study. All subjects underwent a 1.5T structural magnetic resonance scan. Volumetric measures and symptom measurements, by psychometric scales, were performed and compared between patients and controls. Results: The cerebellum volume was reduced in patients with cognitive impairment without dementia and with dementia, in patients with PTSD, and in patients with bipolar disorder compared to controls. In dementia and PTSD, the left cerebellar hemisphere and vermis volume were reduced. In bipolar disorder, volumes of both hemispheres and the vermis were reduced. In the first two studies, these cerebellar volumetric reductions correlated with symptoms of the disease. Conclusion: The exact nature of cerebellar involvement in mental processes is still not fully understood. However, abnormalities in cerebellar structure and its functions have been reported in some of these diseases. Future studies with larger samples are needed to clarify these findings and investigate whether they are important for treatment and prognosis. PMID- 29213800 TI - Memory complaint scale (MCS). Proposed tool for active systematic search. AB - : Subjective Memory Complaints (SMC) are frequent among adults and elderly and are associated with poor quality of life. The etiology and clinical significance of SMCs are unclear, but these complaints are associated with objective cognitive decline or with depression, anxiety and psychosocial stressors. Biological and physiological brain alterations resembling those in Alzheimer's Disease have been found in SMC. SMC can evolve with different outcomes and represent the initial symptom or a risk factor of dementia. Active systematic search can be useful for early screening of candidates for preventive or therapeutic interventions. Objective: To propose a Memory Complaints Scale (MCS) as an instrument for actively searching for memory complaints and to investigate its utility for discriminating demented from cognitively normal elderly. Methods: A total of 161 patients from a teaching behavioral neurology outpatient unit of a tertiary hospital were studied. The MCS was used in two ways, by direct application to the patient and by application to the patient's companion. Cognitive tests assessing depression and daily living activities were also applied. Results: High Cronbach's alpha coefficients were found for the two application methods. Correlations between the two versions and the other instruments administered for patients grouped by type and severity of dementia were also found. Conclusion: The MCS is a useful scale for identifying memory complaints and discriminating demented from cognitively normal elderly. Further studies confirming these findings are warranted. PMID- 29213801 TI - Systematic review of the literature on vitamin A and memory. AB - Background: Over the last 30 years, a variety of studies reporting the effects of vitamin A on memory have been published. Objective: To perform a rigorous systematic review of the literature on vitamin A and memory in order to organize evidence-based data on the subject. Methods: Four authors carried out the systematic review in accordance with strict guidelines. The terms "vitamin A" OR "retinol" OR "retinoic acid" AND "memory" OR "cognition" OR "Alzheimer" were searched in virtually all medical research databases. Results: From 236 studies containing the key words, 44 were selected for this review, numbering 10 reviews and 34 original articles. Most studies used animal models for studying vitamin A and cognition. Birds, mice and rats were more frequently employed whereas human studies accounted for only two reports on brain tissue from autopsies and one on the role of isotretinoin in cognition among individuals taking this medication to treat acne. Conclusion: Vitamin A may be an important and viable complement in the treatment and prevention of Alzheimer's disease. Clinical trials are imperative and, at present, there is no evidence-based data to recommend vitamin A supplementation for the prevention or treatment of Alzheimer's disease. PMID- 29213802 TI - Rehabilitation of language in expressive aphasias: a literature review. AB - Objective: This paper reviews the methodological characteristics of studies on rehabilitation of expressive aphasia, describing the techniques of rehabilitation used. Methods: The databases Medline, Science Direct and PubMed were searched for relevant articles (January 1999 to December 2011) using the keywords Expressive / Broca / Nonfluent Aphasia, combined with Language or Speech Rehabilitation / Therapy / Intervention. Results: A total of 56 articles were retrieved describing rehabilitation techniques, including 22 with a focus on lexical processing, 18 on syntax stimulation, seven with the aim of developing speech and nine with multiple foci. Conclusion: A variety of techniques and theoretical approaches are available, highlighting the heterogeneity of research in this area. This diversity can be justified by the uniqueness of patients' language deficits, making it difficult to generalize. In addition, there is a need to combine the formal measures of tests with measures of pragmatic and social skills of communication to determine the effect of rehabilitation on the patient's daily life. PMID- 29213803 TI - Apathy, cognitive function and motor function in Alzheimer's disease. AB - : The aims of this study were to characterize the presence of apathy in patients with AD, determine the relationship between apathy, motor function and cognitive function, and to verify differences among patients stratified by level of apathy in relation to cognitive and motor abilities. Methods: A cross-sectional study was conducted of 37 patients with AD. The following tests were used: MoCA, the Frontal Assessment Battery, Verbal Fluency, Clock Drawing Test, Andreotti & Okuma Battery Tests, Sit and Reach, Resistance of Upper Limbs - AAHPERD Battery Test, Sit and Lift Chair and the Apathy domain of the Neuropsychiatric Inventory. After verifying the normality of the data distribution, comparisons were made using Student's t-test and the U Mann Whitney test; relationships were also assessed using Pearson's and Spearman's correlation coefficients. All analyses were considered to be statistically significant at a p-value of 0.05. Results: 46% of participants in this study showed mild symptoms of apathy. Significant and weak associations were found (p=0.04) between apathy and the attention domain on the MoCA and between apathy and the Walk Test. Analysis of differences in cognitive and motor functions according to participants' level of apathy revealed no significant differences for any of the variables. Conclusion: Apathy was reflected in attention and the Walk Test, suggesting these variables may be related to cognitive and functional decline in AD patients. PMID- 29213804 TI - Montreal Battery of Evaluation of Amusia: Validity evidence and norms for adolescents in Belo Horizonte, Minas Gerais, Brazil. AB - The Montreal Battery of Evaluation of Amusia (MBEA) is a battery of tests that assesses six music processing components: scale, contour, interval, rhythm, metric, and music memory. The present study sought to verify the psychometric characteristics of the MBEA in a sample of 150 adolescents aged 14-18 years in the city of Belo Horizonte, Minas Gerais, Brazil, and to develop specific norms for this population. We used statistical procedures that explored the dimensional structure of the MBEA and its items, evaluating their adequacy from empirical data, verifying their reliability, and providing evidence of validity. The results for the difficult levels for each test indicated a trend toward higher scores, corroborating previous studies. From the analysis of the criterion groups, almost all of the items were considered discriminatory. The global score of the MBEA was shown to be valid and reliable (rK-R20=0.896) for assessing the musical ability of normal teenagers. Based on the analysis of the items, we proposed a short version of the MBEA. Further studies with larger samples and amusic individuals are necessary to provide evidence of the validity of the MBEA in the Brazilian milieu. The present study brings to the Brazilian context a tool for diagnosing deficits in musical skills and will serve as a basis for comparisons with single case studies and studies of populations with specific neuropsychological syndromes. PMID- 29213805 TI - Effects of weight training on cognitive functions in elderly with Alzheimer's disease. AB - : Deterioration in cognitive functions is characteristic in Alzheimer's disease (AD) and may be associated with decline in daily living activities with consequent reduced quality of life. Objective: To analyze weight training effects on cognitive functions in elderly with AD. Subjects: 34 elderly with AD were allocated into two groups: Training Group (TG) and Social Gathering Group (SGG). Methods: Global cognitive status was determined using the Mini-Mental State Exam. Specific cognitive functions were measured using the Brief Cognitive Battery, Clock Drawing Test and Verbal Fluency Test. The protocols were performed three times a week, one hour per session. The weight training protocol consisted of three sets of 20 repetitions, with two minutes of rest between sets and exercises. The activities proposed for the SGG were not systematized and aimed at promoting social interaction among patients. The statistical analyses were performed with the U Mann Whitney and Wilcoxon tests for group comparisons. All analyses were considered statistically significant at a p-value of 0.05. Results: There were no significant differences associated to the effects of the practice of weight training on cognition in AD patients. Conclusion: In this study, no improvement in cognitive functions was evident in elderly with AD who followed a low intensity resistance exercise protocol. Thus, future studies could evaluate the effect of more intense exercise programs. PMID- 29213806 TI - Neuropsychological and quality of life assessment in patients with Parkinson's disease submitted to bilateral deep brain stimulation in the subthalamic nucleus. AB - : Deep brain stimulation (DBS) has been widely used to control motor symptoms and improve quality of life in patients with Parkinsons disease (PD). Recently, DBS in the subthalamic nucleus (STN) has become the preferred target for patients with mixed motor symptoms. Despite resultant motor and quality of life improvements, the procedure has been associated with cognitive decline, mainly in language skills, and also with psychiatric symptoms. Objective: To evaluate the influence of DBS in the STN on cognition, mood and quality of life. Methods: We studied 20 patients with PD submitted to DBS in the STN from May 2008 to June 2012 with an extensive battery of cognitive tests including memory, language, praxis, executive functions and attention assessments; the Parkinson's Disease Quality of Life Questionnaire (PDQ-39); and the Hospital Anxiety and Depression Scale (HAD), were applied both before and after the surgery. Data was analyzed using SPSS version 17.0 and results compared using the paired Student's t test. Results: A total of 20 patients with pre and post-operative assessments were included. A statistically significant improvement was found in total score and on subscales of mobility, activities of daily living and emotional well-being from the PDQ-39 (P=0.009, 0.025, 0.001 and 0.034, respectively). No significant difference was found on the cognitive battery or mood scale. Conclusion: DBS in the SNT improved quality of life in PD with no negative impact on cognitive skills and mood. PMID- 29213807 TI - Cognitive impairment in patients with clinically isolated syndrome. AB - : Cognitive abnormalities have been extensively studied in Multiple Sclerosis (MS). However, little is known about the cognitive involvement in patients with Clinically Isolated Syndrome (CIS). Objective: This study aimed to investigate cognitive impairment in patients with CIS compared with healthy subjects. Methods: 18 CIS patients and 18 controls were subjected to the Wechsler memory scale, Rey Auditory Verbal Learning, Rey Complex Figure, Paced Auditory Serial Addition, Digit Span, verbal fluency, Stroop color card test, D2, and Digit Symbol tests. Results: CIS patients had significantly worse performance on the Paced Auditory Serial Addition Test (PASAT) 2 seconds (P=0.009) and on verbal fluency tests (P=0.0038) than controls. Conclusion: CIS patients had worse cognitive performance than controls on neuropsychological tests evaluating executive functioning. PMID- 29213808 TI - Reassessment of the dementia diagnosis of Alzheimer's disease in patients enrolled on the cholinesterase inhibitors dispensation program. AB - Objective: Reassess the diagnosis of Alzheimer's Disease (AD) in patients treated with anti-cholinesterases dispensed by High Cost Drug stores (Exceptional Drugs Program). Methods: A prospective study to reassess the diagnosis of probable Alzheimer's Disease was conducted (AD). The patients were submitted to the protocol of dementia investigation at the Neurogeriatric Outpatient Clinic of the Teaching Hospital de Base de Sao Jose do Rio Preto. Groups were classified using the criteria of the National Institute of Neurologic and Communicative Diseases and Vascular Cerebral Accident and Alzheimer Disease Related Association (NINCDS ADRDA). The study was completed by applying the Disability Assessment for Dementia (DAD). The significance level was set at 5%. Results: 106 patients participated, selected randomly from a group of 390 patients contacted when receiving their medication at the High Cost Drug store. Two groups were formed: the first, containing 52 patients who fulfilled criteria for AD (FC Group); and a second, with 54 patients not fulfilling criteria (NFC). The FC Group had older age, worse performance on the Mini-Mental State Exam (MMSE) and poorer performance on the DAD. Also, treatment time was longer and drugs doses higher in the FC Group. Conclusion: Study results showed a high number of patients using anti-cholinesterases that did not fulfill the diagnosis criteria for probable AD. Comparison of the two groups revealed different behavior between them, corroborating the hypothesis of inadequate inclusion of the NFC Group patients in the Exceptional Drugs Program. PMID- 29213809 TI - Participation in nighttime activities in the genesis of depression in public school teachers from the State of Pernambuco, Brazil. AB - : Teachers often undertake nighttime work involving exam corrections, projects and devising lesson plans in their homes. Many present excessive daytime sleepiness (EDS) and depression. Objective: The objective of this study was to evaluate EDS and depression in teachers from public schools. Methods: 201 female teachers were evaluated in the district of Quipapa/PE, Brazil. Among the study sample, 38 working 1 shift (CONTROL 1), 40 working 2 shifts (CONTROL 2) and 123 working 3 shifts (WTeachers-3T). The subjects were submitted to evaluation by the Epworth Sleepiness Scale and Beck Depression Inventory (BDI).The EDS data were analyzed by the Kruskal-Wallis test with Dunn's multiple comparison, p<0.05and expressed in MEDIAN (MINIMUM - MAXIMUM) whereas the depression data were analyzed by the Chi-square test, with p<0.05, expressed in percentage. Results: WTeachers 3T presented excessive daytime sleepiness and higher rates of mild (24%) and moderate (37%) depression compared to controls - Control 1: mild (8%) and moderate (11%) - Control 2: mild (5%) and moderate (15%). Conclusion: This study found that teachers in the Quipapa municipality of Penambuco state working three shifts showed excessive daytime sleepiness and a higher percentage of mild and moderate depression compared to teachers working only one (1) or two (2) shifts. PMID- 29213810 TI - Basal ganglia lesions in subacute sclerosing panencephalitis. AB - The parieto-occipital region of the brain is the most frequently and severely affected in subacute sclerosing panencephalitis (SSPE). The basal ganglia, cerebellum and corpus callosum are less commonly involved. We describe a patient with SSPE confirmed by neuropathology based on brain magnetic resonance imaging showing extensive basal ganglia involvement and no significant involvement of other cortical structures. Though rarely described in SSPE, clinicians should be aware of this involvement. SSPE should be kept in mind when changes in basal ganglia signal are seen on brain magnetic resonance imaging with or without involvement of other regions of the human brain to avoid erroneous etiological diagnosis of other pathologies causing rapidly progressive dementia. PMID- 29213811 TI - Adult-onset adrenoleukodystrophy presenting as a psychiatric disorder: MRI findings. AB - A 35-year-old, previously healthy man presented psychiatric symptoms lasting four years, receiving treatment with neuroleptics. One year later he evolved with gait disequilibrium. After a further six months, cognitive symptoms were characterized with rapid evolution to a profound demented state. MRI showed signal changes in cerebral white matter and very long-chain fatty acids were detected in blood. PMID- 29213813 TI - In the March 2013 issue. PMID- 29213814 TI - Behavioural-variant frontotemporal dementia: an update. AB - Behavioural-variant frontotemporal dementia (bvFTD) is characterised by insidious changes in personality and interpersonal conduct that reflect progressive disintegration of the neural circuits involved in social cognition, emotion regulation, motivation and decision making. The underlying pathology is heterogeneous and classified according to the presence of intraneuronal inclusions of tau, TDP-43 or occasionally FUS. Biomarkers to detect these histopathological changes in life are increasingly important with the development of disease-modifying drugs. Gene mutations have been found which collectively account for around 10-20% of cases including a novel hexanucleotide repeat on chromosome 9 (C9orf72). The recently reviewed International Consensus Criteria for bvFTD propose three levels of diagnostic certainly: possible, probable and definite. Detailed history taking from family members to elicit behavioural features underpins the diagnostic process with support from neuropsychological testing designed to detect impairment in decision-making, emotion processing and social cognition. Brain imaging is important for increasing the level of diagnosis certainty. Carer education and support remain of paramount importance. PMID- 29213815 TI - Neuropathology of frontotemporal lobar degeneration: a review. AB - Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. Three main clinical variants are widely recognized within the FTLD spectrum: the behavioural variant of frontotemporal dementia (bvFTD), semantic dementia (SD) and progressive non-fluent aphasia (PNFA). FTLD represents a highly heterogeneous group of neurodegenerative disorders which are best classified according to the main protein component of pathological neuronal and glial inclusions. The most common pathological class of FTLD is associated with the TDP-43 protein (FTLD-TDP), while FTLD-Tau is considered slightly less common while the FTLD-FUS (Fused in sarcoma protein) pathology is rare. In this review, these three major pathological types of FTLD are discussed. PMID- 29213816 TI - Prevalence of frontotemporal dementia in community-based studies in Latin America: a systematic review. AB - : Latin America (LA) is experiencing a rise in the elderly population and a consequent increase in geriatric problems such as dementia. There are few epidemiological studies assessing the magnitude of dementia and dementia subtypes in LA. OBJECTIVE: To identify published community-based studies on the prevalence of FTD in LA countries. METHODS: A database search for door-to-door studies on FTD prevalence in LA was performed. The search was carried out on Medline, Embase, and LILACS databases for research conducted between 1994 and 2012. The main inclusion criteria were: use of any internationally accepted diagnostic criteria and investigation of community samples. RESULTS: Four hundred and ninety two articles were found, of which 26 were initially pre-selected by title or abstract review. Five studies from 3 different countries were included. The FTD prevalence rates in community-dwelling elderly were 1.2 (Venezuela), 1.3 (Peru) and 1.7-1.8 (Brazil) per thousand persons, depending on age group. CONCLUSION: The FTD prevalence in LA studies showed values mid-way between those observed in western and in oriental populations. Despite the magnitude of this problem, epidemiological information on FTD remains scarce in LA. PMID- 29213817 TI - The INECO Frontal Screening tool differentiates behavioral variant - frontotemporal dementia (bv-FTD) from major depression. AB - : Executive dysfunction may result from prefrontal circuitry involvement occurring in both neurodegenerative diseases and psychiatric disorders. Moreover, multiple neuropsychiatric conditions, may present with overlapping behavioral and cognitive symptoms, making differential diagnosis challenging, especially during earlier stages. In this sense, cognitive assessment may contribute to the differential diagnosis by providing an objective and quantifiable set of measures that has the potential to distinguish clinical conditions otherwise perceived in everyday clinical settings as quite similar. OBJECTIVE: The goal of this study was to investigate the utility of the INECO Frontal Screening (IFS) for differentiating bv-FTD patients from patients with Major Depression. METHODS: We studied 49 patients with bv-FTD diagnosis and 30 patients diagnosed with unipolar depression compared to a control group of 26 healthy controls using the INECO Frontal Screening (IFS), the Mini Mental State Examination (MMSE) and the Addenbrooke's Cognitive Examination-Revised (ACE-R). RESULTS: Patient groups differed significantly on the motor inhibitory control (U=437.0, p<0.01), verbal working memory (U=298.0, p<0.001), spatial working memory (U=300.5, p<0.001), proverbs (U=341.5, p<0.001) and verbal inhibitory control (U=316.0, p<0.001) subtests, with bv-FTD patients scoring significantly lower than patients with depression. CONCLUSION: Our results suggest the IFS can be considered a useful tool for detecting executive dysfunction in both depression and bv-FTD patients and, perhaps more importantly, that it has the potential to help differentiate these two conditions. PMID- 29213818 TI - Chilean version of the INECO Frontal Screening (IFS-Ch): psychometric properties and diagnostic accuracy. AB - OBJECTIVE: This study sought to analyze the psychometric properties and diagnostic accuracy of the Chilean version of the INECO Frontal Screening (IFS Ch) in a sample of dementia patients and control subjects. METHODS: After adapting the instrument to the Chilean context and obtaining content validity evidence through expert consultation, the IFS-Ch was administered to 31 dementia patients and 30 control subjects together with other executive assessments (Frontal Assessment Battery [FAB], Modified version of the Wisconsin Card Sorting Test [MCST], phonemic verbal fluencies [letters A and P] and semantic verbal fluency [animals]) and global cognitive efficiency tests (Mini mental State Examination [MMSE] and Addenbrooke's Cognitive Examination-Revised [ACE-R]). Caregivers of dementia patients and proxies of control subjects were interviewed with instruments measuring dysexecutive symptoms (Dysexecutive Questionnaire [DEX]), dementia severity (Clinical Dementia Rating Scale [CDR]) and functional status in activities of daily living (Activities of Daily Living Scale [IADL] and Technology-Activities of Daily Living Questionnaire [T-ADLQ]). Convergent and discriminant validity, internal consistency reliability, cut-off points, sensitivity and specificity for the IFS-Ch were estimated. RESULTS: Evidence of content validity was obtained. Evidence of convergent validity was also found showing significant correlations (p<0.05) between the IFS-Ch and the other instruments measuring: executive functions (FAB, r=0.935; categories achieved in the MCST, r=0.791; perseverative errors in the MCST, r= -0.617; animal verbal fluency, r=0.728; "A" verbal fluency, r=0.681; and "P" verbal fluency, r=0.783), dysexecutive symptoms in daily living (DEX, r= -0.494), dementia severity (CDR, r= -0.75) and functional status in activities of daily living (T-ADLQ, r= -0.745; IADL, r=0.717). Regarding reliability, a Cronbach's alpha coefficient of 0.905 was obtained. For diagnostic accuracy, a cut-off point of 18 points (sensitivity=0.903; specificity=0.867) and an area under curve of 0.951 were estimated to distinguish between patients with dementia and control subjects. DISCUSSION: The IFS-Ch showed acceptable psychometric properties, supported by evidence of validity and reliability for its use in the measurement of executive functions in patients with dementia. The diagnostic accuracy of the IFS-Ch for detecting dementia patients was also considered acceptable. PMID- 29213819 TI - Semantic memory: nouns and action verbs in cognitively unimpaired individuals and frontotemporal lobar degeneration. AB - : Among the instruments to evaluate semantic memory, the Pyramids and Palm Trees (PPT) and the Kissing and Dancing (KDT) tests are widely used but none have a performance referential for cognitively normal and impaired Brazilian populations. OBJECTIVE: [A] To study these two tests in a sample of young healthy Brazilian individuals living in Sao Paulo; [B] To apply the results to the evaluation of two cases diagnosed with frontotemporal lobar degeneration. METHODS: We evaluated 50 normal participants (41 females and 9 males) aged between 20-63 years, with schooling level of 14-20 years. In addition, two individuals diagnosed with frontotemporal lobar degeneration were examined, one with behavioral-variant frontotemporal dementia and the other with semantic dementia. RESULTS: On the two tests, no effects of age, gender and schooling on the performance of normal individuals were observed. According to the performance of the sample of controls, scores below 46 points on the PPT and below 47 on the KDT are suggestive of deficits in semantic memory. The analyses of both cases indicated double dissociation in establishing associations between nouns and action verbs. Although the two patients had low scores on both tests, the patient with behavioral-variant frontotemporal dementia performed better on the PPT compared to the KDT, while the patient with semantic dementia showed the reverse, performing better on the KDT. CONCLUSION: The PPT and KDT are suitable tests for use in the Brazilian population, with minimal need for adjustments. They are applicable tools both for cognitive assessment and research in semantic memory. In the present study, we obtained representative values of performance for cognitively unimpaired individuals and demonstrated the utility of these instruments for cognitive assessment of patients with FTLD. PMID- 29213820 TI - Analysis of a case series of behavioral variant frontotemporal dementia: emphasis on diagnostic delay. AB - INTRODUCTION: Despite many advances in the characterization of the behavioral variant of frontotemporal dementia (bvFTD), the diagnosis of this syndrome poses a significant challenge, while delays or diagnostic mistakes may impact the proper clinical management of these patients. OBJECTIVE: To describe the clinical profile at first evaluation of a sample of patients with bvFTD from a specialized outpatient neurological unit, with emphasis on the analysis of the delay between the onset of symptoms and diagnosis. METHODS: We selected 31 patients that fulfilled international consensus criteria for possible or probable bvFTD. Patients' medical admission sheets were thoroughly reviewed. RESULTS: Patients' mean age was 67.9+/-8.2 years; 16 (51.6%) were men. Mean number of years of formal education was 7.7+/-4.0 years. Mean age at onset was 62.2+/-7.7 years, indicating a mean of 5.8 years of diagnostic delay. Thirteen patients (41.9%) presented with initial behavioral complaints only, eleven patients (35.5%) had mixed behavioral and memory complaints, five patients (16.1%) presented with memory complaints only, and two patient (6.4%) had behavioral and speech problems. Nine patients (29%) were admitted with alternative diagnoses. Mean and standard deviation scores for the mini-mental state examination, animal category fluency and memory test for drawings (five-minute delayed recall) were 19.3+/ 6.3, 8.3+/-4.1and 3.7+/-2.7, respectively. CONCLUSION: Most patients from this sample were evaluated almost six years after the onset of symptoms and performed poorly on both cognitive screening tests and functional evaluation measures. PMID- 29213821 TI - Evaluation of patients with behavioral and cognitive complaints: misdiagnosis in frontotemporal dementia and Alzheimer's disease. AB - BACKGROUND: Frontotemporal dementia (FTD) is a heterogeneous clinicopathological syndrome whose early diagnosis is critical for developing management strategies. OBJECTIVE: To analyze the variables associated with misdiagnosis in a group of patients with FTD, Alzheimer's disease (AD), and without neurodegenerative disorders (WND), all of whom were evaluated for behavioral and cognitive complaints. METHODS: A case-control study with FTD (n=10), probable AD (n=10) and WND (n=10) patients was carried out. The studied variables were disease duration, reason for referral, former diagnosis, behavioral and cognitive symptoms at evaluation, MMSE at the specialist evaluation, and follow-up outcome. The data were analyzed by ANOVA with Bonferroni post-hoc and by Pearson's Chi-Square tests. RESULTS: FTD patients and WND patients showed longer disease duration than AD patients; the main reasons for referral in the FTD group were behavioral, memory and memory plus language problems while all AD and 90% of the WND group were referred for memory. The FTD group had the highest rate of misdiagnosis and worst outcomes after the 12-month follow-up. The majority of AD and WND patients had memory symptoms, while FTD patients presented language (30%), memory and/or language (40%) problems on the evaluation. CONCLUSION: Difficulty in recognizing the main features of FTD and psychiatric disorders with memory impairment was observed. Clinicians tended to generalize memory complaints toward a single diagnosis, identifying almost all these patients as AD or leaving them undiagnosed. PMID- 29213822 TI - Frontal presentation of Alzheimer's disease: a series of patients with biological evidence by CSF biomarkers. AB - Besides its typical amnesic presentation, focal atypical presentations of Alzheimer's disease (AD) have been described in neuropathological studies. These phenotypical variants of AD (so-called "atypical AD") do not follow the typical amnestic pattern and include non-amnestic focal cortical syndromes, such as posterior cortical atrophy and frontal variant AD. These variants exhibit characteristic histological lesions of Alzheimer pathology at post-mortem exam. By using physiopathological markers, such as cerebrospinal fluid markers, it is now possible to establish in vivo a biological diagnosis of AD in these focal cortical syndromes. We report a series of eight patients who were diagnosed with behavioural variant frontotemporal dementia based on their clinical, neuropsychological and neuroimaging findings, while CSF biomarkers showed an AD biological profile, thus supporting a diagnosis of frontal variant of AD. PMID- 29213823 TI - Fronto-striatal atrophy correlates of neuropsychiatric dysfunction in frontotemporal dementia (FTD) and Alzheimer's disease (AD). AB - : Behavioural disturbances in frontotemporal dementia (FTD) are thought to reflect mainly atrophy of cortical regions. Recent studies suggest that subcortical brain regions, in particular the striatum, are also significantly affected and this pathology might play a role in the generation of behavioural symptoms. OBJECTIVE: To investigate prefrontal cortical and striatal atrophy contributions to behavioural symptoms in FTD. METHODS: One hundred and eighty-two participants (87 FTD patients, 39 AD patients and 56 controls) were included. Behavioural profiles were established using the Cambridge Behavioural Inventory Revised (CBI-R) and Frontal System Behaviour Scale (FrSBe). Atrophy in prefrontal (VMPFC, DLPFC) and striatal (caudate, putamen) regions was established via a 5 point visual rating scale of the MRI scans. Behavioural scores were correlated with atrophy rating scores. RESULTS: Behavioural and atrophy ratings demonstrated that patients were significantly impaired compared to controls, with bvFTD being most severely affected. Behavioural-anatomical correlations revealed that VMPFC atrophy was closely related to abnormal behaviour and motivation disturbances. Stereotypical behaviours were associated with both VMPFC and striatal atrophy. By contrast, disturbance of eating was found to be related to striatal atrophy only. CONCLUSION: Frontal and striatal atrophy contributed to the behavioural disturbances seen in FTD, with some behaviours related to frontal, striatal or combined fronto-striatal pathology. Consideration of striatal contributions to the generation of behavioural disturbances should be taken into account when assessing patients with potential FTD. PMID- 29213824 TI - A tale of two hemispheres: contrasting socioemotional dysfunction in right- versus left-lateralised semantic dementia. AB - OBJECTIVE: Semantic dementia, a subtype of frontotemporal lobar degeneration, is characterised by cross-modal loss of conceptual knowledge attributable to progressive degeneration of the left anterior temporal lobe. Much less is known regarding the clinical presentation of SD patients with predominantly right lateralised atrophy. Recent reports emphasise marked socioemotional and behavioural disturbances in such cases. Given the importance of the right anterior temporal lobes in social cognition, we hypothesised that socioemotional functioning would be disproportionately affected in right versus left-lateralised SD cases. METHODS: We assessed well-characterised cases of predominantly right (n=10) and left (n=12) SD and 20 matched healthy controls on tests of emotion processing and interpersonal functioning. RESULTS: Right SD cases showed disproportionate difficulties in the recognition of positive and negative facial emotions, specifically happiness and anger, compared with left SD cases. Deficits in anger recognition persisted in right SD despite covarying for facial and semantic processing. On a contextually rich task of emotion recognition using multimodal videos, no subgroup differences were evident. Finally, empathic concern was rated as significantly lower by caregivers of right versus left SD cases. Overall, the extent of socioemotional disturbance was associated with the degree of behavioural changes in SD. CONCLUSION: Our results reveal considerable overlap in the extent to which socioemotional processes are disrupted in left and right-lateralised cases of SD. Notably, however, right SD cases show disproportionate deficits for recognition of facial emotions and the capacity for empathic concern, supporting a specialised role for the right anterior temporal lobes in mediating these cognitive functions. PMID- 29213825 TI - Functional profile of patients with behavioral variant frontotemporal dementia (bvFTD) compared to patients with Alzheimer's disease and normal controls. AB - : There are few studies describing the functional changes in behavioral variant frontotemporal dementia (bvFTD) and it is not clear which aspects of functionality are affected by the disease. OBJECTIVE: The aim of the present investigation was to characterize the functional profile of patients previously diagnosed with bvFTD. METHODS: The sample consisted of 31 patients diagnosed with bvFTD, who were compared to patients with Alzheimer's disease (AD) (n=31) and to healthy control subjects (NC) (n=34), matched for schooling and age. bvFTD and AD patients were matched by severity of dementia. The protocol included the Mini Mental State Examination (MMSE), Geriatric Depression Scale (GDS), Direct Assessment of Functional Status (DAFS-BR), Functional Activities Questionnaire (PFAQ), Disability Assessment for Dementia (DAD) and the Clinical Dementia Rating scale (CDR). RESULTS: The group with bvFTD showed worse performance on Initiation and Planning/Organization in the DAD and on ability to feed oneself in the DAFS BR, as well as higher scores on the PFAQ, suggesting greater dependence in the bvFTD group. CONCLUSION: The results suggest that individuals with bvFTD display greater functional impairment compared to AD patients with a similar degree of dementia severity and to healthy controls. Direct assessment of functionality proved unable to clearly differentiate between the dementia subtypes. PMID- 29213826 TI - Cultural differences are reflected in variables associated with carer burden in FTD: a comparison study between India and Australia. AB - : There is great need to understand variables behind carer burden, especially in FTD. Carer burden is a complex construct, and its factors are likely to vary depending on the type of dementia, carer characteristics and cultural background. OBJECTIVE: The present study aimed to compare profiles and severity of carer burden, depression, anxiety and stress in carers of FTD patients in India in comparison to Australia; to investigate which carer variables are associated with carer burden in each country. METHODS: Data of 138 participants (69 dyads of carers-patients) from India and Australia (India, n=31; Australia, n=38). Carer burden was assessed with the short Zarit Burden Inventory; carer depression, anxiety and stress were measured with the Depression, Anxiety and Stress-21. Dementia severity was determined with the Frontotemporal Dementia Rating Scale (FTD-FRS), and a range of demographic variables regarding the carer and patient were also obtained. RESULTS: Overall, levels of carer burden were not significantly different across India and Australia, despite more hours delivering care and higher dementia severity in India. Variables associated with burden, however, differed between countries, with carer depression, anxiety and stress strongly associated with burden in India. By contrast, depression, stress, and dementia severity were associated with burden in Australia. CONCLUSION: This study demonstrated that variables associated with carer burden in FTD differ between cultures. Consequently, cultural considerations should be taken into account when planning for interventions to reduce burden. This study suggests that addressing carers' skills and coping mechanisms are likely to result in more efficacious outcomes than targeting patient symptoms alone. PMID- 29213827 TI - Primary progressive aphasia: classification of variants in 100 consecutive Brazilian cases. AB - : Primary progressive aphasia (PPA) is a neurodegenerative clinical syndrome characterized primarily by progressive language impairment. Recently, consensus diagnostic criteria were published for the diagnosis and classification of variants of PPA. The currently recognized variants are nonfluent/agrammatic (PPA G), logopenic (PPA-L) and semantic (PPA-S). OBJECTIVE: To analyze the demographic data and the clinical classification of 100 PPA cases. METHODS: Data from 100 PPA patients who were consecutively evaluated between 1999 and 2012 were analyzed. The patients underwent neurological, cognitive and language evaluation. The cases were classified according to the proposed variants, using predominantly the guidelines proposed in the consensus diagnostic criteria from 2011. RESULTS: The sample consisted of 57 women and 43 men, aged at onset 67.2+/-8.1 years (range of between 53 and 83 years). Thirty-five patients presented PPA-S, 29 PPA-G and 16 PPA-L. It was not possible to classify 20% of the cases into any one of the proposed variants. CONCLUSION: It was possible to classify 80% of the sample into one of the three PPA variants proposed. Perhaps the consensus classification requires some adjustments to accommodate cases that do not fit into any of the variants and to avoid overlap where cases fit more than one variant. Nonetheless, the established current guidelines are a useful tool to address the classification and diagnosis of PPA and are also of great value in standardizing terminologies to improve consistency across studies from different research centers. PMID- 29213828 TI - Nonpharmacological interventions for cognitive impairments following primary progressive aphasia: a systematic review of the literature. AB - : This study provided a systematic review on nonpharmacological interventions applied to patients diagnosed with Primary Progressive Aphasia (PPA) and its variants: Semantic (SPPA), Nonfluent (NFPPA) and Logopenic (LPPA) to establish evidence-based recommendations for the clinical practice of cognitive rehabilitation for these patients. METHODS: A PubMed and LILACS literature search with no time restriction was conducted with the keywords PPA (and its variants) AND rehabilitation OR training OR intervention OR therapy OR treatment OR effectiveness. To develop its evidence-based recommendations, a research committee identified questions to be addressed and determined the level of evidence for each study according to published criteria (Cicerone et al., 2000). Overall evidence for treatments was summarized and recommendations were derived. RESULTS: Our search retrieved articles published from 1995 to 2013: 21 for SPPA, 8 for NFPPA, 3 for LPPA and 8 for PPA with no specification. Thirty-five studies were rated as Class III, consisting of studies with results obtained from one or more single-cases and that used appropriate single-subject methods with adequate quantification and analysis of results. The level of evidence of three functional interventions could not be established. One study was rated as Class II and consisted of a nonrandomized case-control investigation. CONCLUSION: Positive results were reported in all reviewed studies. However, in order to be recommended, some investigation regarding the intervention efficacy was required. Results of the present review allows for recommendation of some nonpharmacological interventions for cognitive deficits following PPA as Practice Options. Suggestions for further studies on PPA interventions and future research are discussed. PMID- 29213829 TI - Prefrontal damage in childhood and changes in the development of personality: a case report. AB - Frontal lobe lesions are associated with behavioral abnormalities and executive dysfunction. When these lesions occur early in life, the symptoms are even more severe as the anatomical and functional substrates underlying personality and behavior are damaged, distorting normal modulation by interaction with the psychosocial environment. We present a case of a 40-year-old man who suffered a frontal lobe lesion at the age of nine years and developed impulsivity, disinhibition and inappropriate behaviors while showing some preservation of insight. Brain MRI revealed lesions to bilateral orbitofrontal cortex, ventromedial prefrontal cortex, anterior cingulate gyri and genu of the corpus callosum, which were more extensive on the right side. The right prefrontal dorsolateral cortex was severely damaged, whereas the right ventrolateral prefrontal cortex was spared. We will discuss the correlation of the damaged pre frontal regions with the symptoms presented by the patient. PMID- 29213831 TI - In the June 2013 issue. PMID- 29213830 TI - Very late-onset behavioral variant frontotemporal dementia. AB - Current concepts regarding frontotemporal lobar degeneration (FTLD) have evolved rapidly in recent years. Genetically determined FTLD cohorts have broadened our knowledge pertaining to its clinical presentation, neuroimaging findings and demographics. In this study we present a case report of a patient diagnosed with behavioral variant frontotemporal dementia diagnosis in her nineties during hospital admission for a ground-level fall. We believe this case reinforces the pervasive nature of this clinical entity, and may contribute to an increased awareness of this diagnostic possibility in late-onset dementia. PMID- 29213832 TI - Enhancement of carer skills and patient function in the non-pharmacological management of frontotemporal dementia (FTD): A call for randomised controlled studies. AB - FTD is a unique condition which manifests with a range of behavioural symptoms, marked dysfunction in activities of daily living (ADL) and increased levels of carer burden as compared to carers of other dementias. No efficacious pharmacological interventions to treat FTD currently exist, and research on pharmacological symptom management is variable. The few studies on non pharmacological interventions in FTD focus on either the carer or the patients' symptoms, and lack methodological rigour. This paper reviews and discusses current studies utilising non-pharmacological approaches, exposing the clear need for more rigorous methodologies to be applied in this field. Finally, a successful randomised controlled trial helped reduce behaviours of concern in dementia, and through implementing participation in tailored activities, the FTD specific Tailored Activities Program (TAP) is presented. Crucially, this protocol has scope to target both the person with FTD and their carer. This paper highlights that studies in this area would help to elucidate the potential for using activities to reduce characteristic behaviours in FTD, improving quality of life and the caregiving experience in FTD. PMID- 29213833 TI - Basal ganglia calcification as a putative cause for cognitive decline. AB - Basal ganglia calcifications (BGC) may be present in various medical conditions, such as infections, metabolic, psychiatric and neurological diseases, associated with different etiologies and clinical outcomes, including parkinsonism, psychosis, mood swings and dementia. A literature review was performed highlighting the main neuropsychological findings of BGC, with particular attention to clinical reports of cognitive decline. Neuroimaging studies combined with neuropsychological analysis show that some patients have shown progressive disturbances of selective attention, declarative memory and verbal perseveration. Therefore, the calcification process might represent a putative cause for dementia syndromes, suggesting a probable link among calcinosis, the aging process and eventually with neuronal death. The increasing number of reports available will foster a necessary discussion about cerebral calcinosis and its role in determining symptomatology in dementia patients. PMID- 29213834 TI - Studies on semantic priming effects in right hemisphere stroke: A systematic review. AB - : The role of the right cerebral hemisphere (RH) associated with semantic priming effects (SPEs) must be better understood, since the consequences of RH damage on SPE are not yet well established. OBJECTIVE: The aim of this article was to investigate studies analyzing SPEs in patients affected by stroke in the RH through a systematic review, verifying whether there are deficits in SPEs, and whether performance varies depending on the type of semantic processing evaluated or stimulus in the task. METHODS: A search was conducted on the LILACS, PUBMED and PSYCINFO databases. RESULTS: Out of the initial 27 studies identified, 11 remained in the review. Difficulties in SPEs were shown in five studies. Performance does not seem to vary depending on the type of processing, but on the type of stimulus used. CONCLUSION: This ability should be evaluated in individuals that have suffered a stroke in the RH in order to provide treatments that will contribute to their recovery. PMID- 29213835 TI - Brief cognitive assessment of Alzheimer's disease in advanced stages: Proposal for a Brazilian version of the Short Battery for Severe Impairment (SIB-8). AB - : The measurement of cognitive abilities of patients with severe dementia can serve a wide range of methodological and clinical needs. OBJECTIVE: To validate a proposed severe impairment battery SIB-8 for a Brazilian population sample as part of the neuropsychological assessment of patients with Alzheimer's disease (AD) in advanced stages. METHODS: After a systematic process of translation and back-translation, the SIB-8 was applied to 95 patients with AD at different stages; moderate, moderately severe and severe according to FAST subdivisions (5, 6 and 7), with scores on the Mini-Mental State Examination (MMSE) of between 5 and 15 and followed by the Division of Behavioral Neurology and the Center for Aging Brain of the Federal University of Sao Paulo - UNIFESP. RESULTS: Inferential data revealed that the SIB-8 instrument behaved differently at each stage of the disease with a statistical value of sensitivity p<0.001, gradually reflecting the expected course of the dementia, inherent with the decline of cognitive functions. CONCLUSION: Findings indicated that the SIB-8 is a useful tool for the evaluation and prospective comparison of AD patients in advanced stages, retaining its original characteristics in our population. PMID- 29213836 TI - Neuropsychiatric symptoms and severity of dementia. AB - : Neuropsychiatric symptoms (NPS) cause distress, disabilitiy and reduced quality of life for both the patient and their families. OBJECTIVE: To evaluate the prevalence of NPS as a specific stage of dementia status. METHODS: A cross sectional study in patients attending an outpatient clinic for dementia was performed. We applied the Neuropsychiatric Inventory and Clinical Dementia Rating (CDR) scale. Statistical analysis was carried out with SPSS 17 software. RESULTS: The 124 subjects (mean age of 80.4+/-7.0 years), 88 women (70.9%) had average duration of dementia of 7.1+/-3.2 years, most common dementias of Alzheimer's disease (35.5%) and mixed (31.5%) and most prevalent NPS of apathy (75%) and irritability (66.9%). Correlation between apathy and a CDR 1 had a PR (prevalence ratio) = 0.289 and p<0.001while between apathy and CDR 4-5 (PR=8.333, p<0.005). A similar result was found between aberrant motor behavior (AMB) and CDR 1 (PR=0.352, p<0.003) and between AMB and CDR4-5 (PR=2.929, p<0.006). CONCLUSION: Alzheimer's disease and mixed dementia were predominant, while apathy and AMB were detected in association with the progressive stages of dementia. PMID- 29213837 TI - Senile dementia and pharmacological drugs. AB - : Side effects and drug interactions are common in the elderly and highly relevant in the demented, being routinely confused with symptoms of cognitive impairment. Which drugs are most consumed by this patient group? Do prescription patterns differ between the demented and non-demented? OBJECTIVE: To define drug consumption quantitatively and qualitatively in demented (D) and non-demented (ND) elderly. METHODS: Patients were divided into men and women, by age group (<80 and >=80 years), non-demented and demented status, and consumers of <=3 or >3 drugs. As a criterion comparing groups, the Chi-square (Fisher's exact) test was employed. This study is part of Project No. 405/10 approved by the Ethics Committee of the institution. RESULTS: The sample had a mean age of 81.5+/-8.8 years, 29 D (21 women and 8 men) and 21 ND (16 women and 5 men), 12 consumers of up to three drugs (7 D and 5 ND) and 38 consumers of 3 medications or more (22 D and 16 ND). The most used drugs among dementia patients were aspirin, angiotensin converting enzyme inhibitors, statins, selective serotonin reuptake inhibitors, and vitamins. Drugs most consumed by non-demented included vitamins, aspirin, calcium carbonate, proton pump inhibitors, statins and alendronate sodium. There was no statistical significance on any of the comparisons, although the number of elderly consumers of vitamins in the ND had a p-value of 0.06 (Yates). CONCLUSION: The elderly in this series, regardless of dementia status, gender or age group, had similar drug consumption patterns and used multiple drugs simultaneously. PMID- 29213838 TI - Education, leisure activities and cognitive and functional ability of Alzheimer's disease patients: A follow-up study. AB - : Education and participation in leisure activities appear to be highly relevant variables in Alzheimer's disease (AD) and usually form the basis of the Cognitive Reserve construct. OBJECTIVE: [A] To determine the association between education, cognitive and functional ability of AD patients; [B] To determine the association between participation in leisure activities and cognitive and functional ability of AD patients; [C] To evaluate the association of education and participation in leisure activities in the course of AD. METHODS: Functional and neuropsychological abilities of 120 outpatients with probable AD were evaluated at baseline, at 36 and 54 months. Data collected at baseline included socio demographics, clinical variables, education and frequency of participation in leisure activities throughout life. All participants and/or caregivers answered the questionnaire, "Participation in leisure activities throughout life" while patients completed the MMSE, the Clinical Dementia Rating scale, neuropsychological tests from the Lisbon Screening for Dementia Assessment, Barthel Index and Lawton and Brody's Index. RESULTS: AD patients with higher levels of education achieved better results on cognitive tests. The participants with higher participation in leisure activities exhibited better results on cognitive and functional tests than those with lower participation. The disease progression was linear and progressed similarly regardless of the level of education of participants. However, the results suggest a slower disease progression in patients with a higher level of participation in leisure activities throughout their lives. CONCLUSION: AD patients with high education and high participation in leisure activities may benefit from a slower cognitive and functional decline after diagnosis of AD. PMID- 29213839 TI - Good rate of clinical response to cholinesterase inhibitors in mild and moderate Alzheimer's disease after three months of treatment: An open-label study. AB - : Life expectancy in Brazil has increased markedly over the last 30 years. Hence, age-related disorders, such as Alzheimer's disease (AD), warrant special attention due to their high prevalence in the elderly. Pharmacologic treatment of AD is based on cholinesterase inhibitors (ChEI) and memantine, leading to modest clinical benefits both in the short and long-term. However, clinical response is heterogeneous and needs further investigation. OBJECTIVE: To investigate the rate of response to ChEI in AD after three months of treatment. METHODS: Patients with mild or moderate dementia due to probable AD or to AD associated with cerebrovascular disease were included in the study. The subjects were assessed at baseline and again after three months of ChEI treatment. Subjects were submitted to the Mini-Mental State Examination (MMSE), Mattis Dementia Rating Scale, Katz Basic Activities of Daily Living, Pfeffer Functional Activities Questionnaire, Neuropsychiatric Inventory and Cornell Scale for Depression in Dementia. Good response was defined by a gain of >=2 points on the MMSE after three months of treatment in relation to baseline. RESULTS: Seventy-one patients, 66 (93%) with probable AD and five (7%) with AD associated with cerebrovascular disease, were evaluated. The good response rate at three months was 31.0%, being 37.2% and 21.4% in mild and moderate dementia, respectively. There were no significant differences on most tests, except for improvement in hallucinations, agitation and dysphoria in moderate dementia patients. CONCLUSION: The rate of good clinical response to ChEI was higher than usually reported. Specific behavioral features significantly improved in the subgroup of moderate dementia. PMID- 29213840 TI - Cognitive anosognosia and behavioral changes in probable Alzheimer's disease patients. AB - : Anosognosia, impairment insight and unawareness of deficits are used as equivalent terms in this study. OBJECTIVE: To investigate the relationship between the presence of anosognosia symptoms and cognitive domains, functional abilities, and neuropsychiatric symptoms in patients with probable Alzheimer's disease (pAD) and elderly controls (EC). METHODS: Twenty-one pAD (14 women) and twenty-two EC (16 women) were submitted to a neuropsychological battery of tests assessing global cognitive status, and specific cognitive functions: memory, executive and attention functions, verbal fluency and visuoconstructive abilities. Additionally, functional abilities (FAQ) and neuropsychiatric symptoms (NPI) were measured. RESULTS: The linear regression statistical test found general anosognosia to be associated with subjective memory complaints, age and Arithmetic-DRS in the EC group. On the other hand, cognitive and functional abilities scores (Arithmetic-DRS, IQCODE and FAQ) were the best predictors in pAD patients, particularly for behavioral awareness. CONCLUSION: These results indicated that different variables are associated with self-awareness for pAD patients and EC, but for both groups executive functions appear to play an important role, contributing particularly to awareness of behavioral changes. PMID- 29213841 TI - Cognitive assessment in an elderly population with metabolic syndrome in Brazil. AB - : Chronic degenerative conditions are very common in the elderly. According to medical literature, there is a correlation between cognitive impairment among elders and arterial hypertension/hyperglycemia which in turn are common diseases among the elderly population worldwide. Nonetheless, data on the association between cognitive impairment and Metabolic Syndrome (MetS) remains controversial. OBJECTIVE: To compare the cognitive status of Brazilian elderly outpatients with and without MetS. METHODS: A cross-sectional case-control study with 49 subjects (25 MetS and 24 controls) who underwent a global geriatric and neuropsychological assessment was carried out. The scores for cognitive abilities (sustained attention, alternating attention, immediate memory, working memory, memory - immediate recall, memory - delayed recall, memory - recognition, executive function, ideomotor praxis, constructive praxis, naming ability, verbal fluency) were compared with the data for the normal population and differences between case and control groups were analyzed using Student's t-test or the Mann-Whitney test. RESULTS: Forty-five patients (91.8%) were female, with a mean age of 73.9+/ 5.9 years, and 3.0+/-1.0 years of schooling. A significant difference (p<0.01) was found between case and control groups regarding the MetS components. For cognitive abilities, no statistically significant difference was detected between the groups and all subjects presented low cognitive scores. CONCLUSION: The results obtained in the present study showed that MetS was not associated with cognitive impairment in this population. Further prospective studies are necessary to investigate the influence of well-controlled MetS on cognitive performance among elders. PMID- 29213842 TI - Prevalence of brain calcifications in a Brazilian cohort: A retrospective study in radiology services. AB - : Brain calcifications may be present in a wide range of neuropsychiatric, infectious traumatic, neoplastic and endocrine conditions, associated with motor and cognitive symptoms. They are often considered "physiologic" or pathologic. OBJECTIVE: To determine the prevalence of brain calcifications in a Brazilian cohort. METHODS: 1898 consecutive patients underwent skull CTs, comprising 836 men and 1062 women. RESULTS: Among all 1898 patients, 333 (197 women and 136 men) presented with brain calcifications, representing an overall prevalence of 17.54%. The prevalence in the female group was 18.54% versus 16.26% in the male group. CONCLUSIONS: A growth in incidental findings on CT scans are likely as these exams become more widely available. However, a current debate between radiologists and regulators is set to redefine the CT usage, especially in the United States and the United Kingdom, considering new norms for use and radiation dosage per exam. PMID- 29213843 TI - Comparison of human brain metabolite levels using 1H MRS at 1.5T and 3.0T. AB - : Proton magnetic resonance spectroscopy (MRS) of the human brain has proven to be a useful technique in several neurological and psychiatric disorders and benefits from higher field scanners as signal intensity and spectral resolution are proportional to the magnetic field strength. OBJECTIVE: To investigate the effects of the magnetic field on the measurement of brain metabolites in a typical routine clinical setting. METHODS: Single voxel spectra were acquired from the posterior cingulate cortex in 26 healthy subjects. Each subject was scanned consecutively at 1.5T and 3.0T in a randomly distributed order. RESULTS: SNR and peak width improvements were observed at higher fields. However, SNR improvement was lower than the theoretical two-fold improvement. Other than the values obtained for creatine (Cre) and myo-Inositol (mI), which were both higher at 3.0T, all metabolite concentrations obtained were roughly the same at both field strengths. All the metabolite concentrations were estimated with a Cramer Rao lower bounds (CRLB) lower than 15% of the calculated concentrations. CONCLUSIONS: Even though the present study supports the expected benefits of higher field strength for MRS, there are several factors that can lead to different quantitative results when comparing 1.5T to 3.0T MRS. Future comparative studies are necessary to refine the metabolite thresholds for early detection and quantification of distinct neurological and psychiatric disorders using 3.0T MRS. PMID- 29213844 TI - In the September 2013 issue. PMID- 29213845 TI - Neurobiology of neuropsychiatric symptoms in Alzheimer's disease: A critical review with a focus on neuroimaging. AB - The objective of this critical review of the literature was to reveal the neural circuits involved in the occurrence of neuropsychiatric symptoms (NPS) in Alzheimer's disease (AD) patients through the association of these symptoms with neuroimaging findings. The search for articles was performed on PUBMED from January 2000 to May 2013, using the key words: Dementia AND BPSD; Dementia AND Neuropsychiatric Symptoms; and Dementia AND Psychosis, Delusions, Hallucinations, Agitation, Depression, Anxiety, Apathy, Euphoria, Disinhibition, Irritability, Aberrant Motor Behavior, Sleep or Eating Disorders. Forty-six articles were reviewed and important contributions, especially regarding the psychopathological concepts discussed, were also considered even if not included in this time period. The available evidence suggests the three most relevant neurobiological models for neuropsychiatric symptoms in Alzheimer's disease are the frontal subcortical circuits, the cortico-cortical networks, and the monoaminergic system. We discussed the association of the individual symptoms or syndromes with these models. PMID- 29213846 TI - Assessment of neuropsychiatric symptoms in dementia: toward improving accuracy. AB - The issue of this article concerned the discussion about tools frequently used tools for assessing neuropsychiatric symptoms of patients with dementia, particularly Alzheimer's disease. The aims were to discuss the main tools for evaluating behavioral disturbances, and particularly the accuracy of the Neuropsychiatric Inventory - Clinician Rating Scale (NPI-C). The clinical approach to and diagnosis of neuropsychiatric syndromes in dementia require suitable accuracy. Advances in the recognition and early accurate diagnosis of psychopathological symptoms help guide appropriate pharmacological and non pharmacological interventions. In addition, recommended standardized and validated measurements contribute to both scientific research and clinical practice. Emotional distress, caregiver burden, and cognitive impairment often experienced by elderly caregivers, may affect the quality of caregiver reports. The clinician rating approach helps attenuate these misinterpretations. In this scenario, the NPI-C is a promising and versatile tool for assessing neuropsychiatric syndromes in dementia, offering good accuracy and high reliability, mainly based on the diagnostic impression of the clinician. This tool can provide both strategies: a comprehensive assessment of neuropsychiatric symptoms in dementia or the investigation of specific psychopathological syndromes such as agitation, depression, anxiety, apathy, sleep disorders, and aberrant motor disorders, among others. PMID- 29213848 TI - Correlation between neuropsychiatric symptoms and caregiver burden in a population-based sample from Sao Paulo, Brazil: a preliminary report. AB - : Neuropsychiatric symptoms and caregiver burden are highly prevalent in older adults with Alzheimer's disease (AD).OBJECTIVE: To evaluate the correlation between neuropsychiatric symptoms and caregiver burden in a community-based sample from Sao Paulo, Brazil. METHODS: A total of 1,563 randomly-selected subjects were assessed by the Mini-Mental State Examination, Fuld Object Memory Evaluation, Informant Questionnaire on Cognitive Decline in the Elderly and Bayer - Activities of Daily Living Scale. Subjects considered screen-positives were submitted to a dementia workup and diagnosis was determined according to ICD-10 criteria. The neuropsychiatric Inventory was applied to caregivers to evaluate neuropsychiatric symptoms and the Zarit Burden Interview was also applied to assess caregivers' burden. RESULTS: Sixty-one AD patients, 25 Cognitively Impaired Non Demented (CIND) and 79 healthy elderly subjects were evaluated. Zarit mean scores for controls, CIND and AD were 2.32, 3.92 and 20.11, respectively. There was strong positive correlation between total NPI and Zarit scores. CONCLUSION: In conclusion, neuropsychiatric symptoms showed a significant association with higher rates of caregiver stress. PMID- 29213847 TI - Prevalence of depressive symptoms among elderly in the city of Tremembe, Brazil: preliminary findings of an epidemiological study. AB - : Depression is a heterogeneous mental disease classified as a set of disorders, which manifest with a certain duration, frequency and intensity. The prevalence of depression in the elderly ranges from 0.5 to 16%. OBJECTIVE: To establish, in an epidemiological study, the prevalence of significant depressive symptoms in the population aged 60 years or older. METHODS: Results of a cross-sectional epidemiological study, involving home visits, being carried out in the city of Tremembe, Brazil, were reported. The sample was randomly selected by drawing 20% of the population over 60 years from each of the city's census sectors. In this single-phase study, the assessment included clinical history, physical and neurological examination, cognitive evaluation, the Cornell scale and the Patient Health Questionnaire for psychiatric symptoms. Scores greater than or equal to 8 on the Cornell scale were taken to indicate the presence of depressive symptoms. RESULTS: A total of 455 elders were assessed, and of these 169 (37.1%) had clinically significant depressive symptoms (CSDS). Depression prevalence was higher among women (p<0.001) and individuals with lower education (p=0.033). The Chi-square test for trends showed a significant relationship where lower socioeconomic status was associated with greater likelihood of depressive symptoms (p=0.005). CONCLUSION: The prevalence of depressive symptoms was high in this sample of the population-based study and was associated with female gender, low educational level and socioeconomic status. The assessment of the entire population sample must be completed. PMID- 29213849 TI - Neuropsychiatric Symptoms (NPS) in patients with pure Vascular Dementia (VaD) and Mixed Dementia (MD) from a memory outpatient clinic in southeast Brazil. AB - : Vascular Dementia (VaD) and Vascular Cognitive Impairment (VCI) are increasingly common worldwide. Nevertheless, the clinical-neuropsychiatric profile of these patients at presentation is still poorly characterized in developing countries. OBJECTIVE: We aimed to characterize the prevalence of neuropsychiatric symptoms, as well as the clinical and cognitive profile of patients with VaD and VCI in our tertiary University outpatient cognitive clinic. METHODS: We reviewed data on 253 patients diagnosed with VaD or VCI at our center between January 1996 and December 2005, located in an industrial region of the state of Sao Paulo, southeast Brazil. We excluded 19 patients who did not complete the medical investigation or who did not meet the clinical or neuroimaging criteria for vascular dementia. We collected socio-demographic data, educational level, vascular risk factors, behavioral and neuropsychological symptoms and cognitive complaints at presentation. RESULTS: Two hundred and thirty-four cases were included in this analysis. The mean age was 67.77+/-10.35 years; 72% were males and 82% had less than four years of education (average 2.84+/-2.96 years). The initial Clinical Dementia Rating score was 2 & 3 in 68%. A total of 185 patients had neuropsychiatric symptoms distributed in main categories as follows: psychosis (52.6%), hallucinations (23.5%), psychomotor agitation (22.5%), depression (17.5%) and apathy (17.5%). Hypertension and previous stroke were the most prevalent risk factors. CONCLUSION: We found a high prevalence of neuropsychiatric symptoms. The clinical-neuropsychiatric profile of patients presenting to cognitive clinics in developing countries may differ greatly to that of more developed nations. These characteristics may have implications for public health strategies. PMID- 29213850 TI - BPSD following traumatic brain injury. AB - : Annually, 700,000 people are hospitalized with brain injury acquired after traumatic brain injury (TBI) in Brazil. OBJECTIVE: We aim to review the basic concepts related to TBI, and the most common Behavioral and Psychological Symptoms of Dementia (BPSD) findings in moderate and severe TBI survivors. We also discussed our strategies used to manage such patients in the post-acute period. METHODS: Fifteen TBI outpatients followed at the Center for Cognitive Rehabilitation Post-TBI of the Clinicas Hospital of the University of Sao Paulo were submitted to a neurological, neuropsychological, speech and occupational therapy evaluation, including the Mini-Mental State Examination. Rehabilitation strategies will then be developed, together with the interdisciplinary team, for each patient individually. Where necessary, the pharmacological approach will be adopted. RESULTS: Our study will discuss options of pharmacologic treatment choices for cognitive, behavioral, or affective disorders following TBI, providing relevant information related to a structured cognitive rehabilitation service and certainly will offer an alternative for patients and families afflicted by TBI. CONCLUSION: Traumatic brain injury can cause a variety of potentially disabling psychiatric symptoms and syndromes. Combined behavioral and pharmacological strategies, in the treatment of a set of highly challenging behavioral problems, appears to be essential for good patient recovery. PMID- 29213851 TI - French version of the Rating Scale for aggressive behaviour in the Elderly (F RAGE): psychometric properties and diagnostic accuracy. AB - : Aggressive behaviour is the most disturbing and distressing behaviour displayed by elderly people. The prevalence of aggressive behaviour is around 50% among psychogeriatric patients. OBJECTIVE: This study sought to analyze the psychometric properties and diagnostic accuracy of the French version of the Rating Scale for Aggressive Behaviour in the Elderly (F-RAGE). METHODS: The F RAGE was administered to 79 patients hospitalized in a geriatric psychiatry department. A psychiatrist, who was blind to the subjects' RAGE scores, performed the diagnosis for aggressivity based on global clinical impression. The F-RAGE and MMSE were applied by a trained researcher blind to subjects' clinical diagnoses while the Cohen-Mansfield Agitation Inventory and Neuropsychiatric Inventory were administered by medical and nursing staff. Internal consistency, reliability, cut-off points, sensitivity and specificity for F-RAGE were estimated. RESULTS: F-RAGE showed satisfactory validity and reliability measurements. Regarding reliability, Cronbach's alpha coefficient was satisfactory with a value of 0.758. For diagnostic accuracy, a cut-off point of 8 points (sensitivity=74.19%; specificity=97.98%) and area under curve of 0.960 were estimated to distinguish between aggressive patients and control subjects. DISCUSSION: F-RAGE showed acceptable psychometric properties, supported by evidence of validity and reliability for its use in the diagnosis of aggressive behaviour in elderly. PMID- 29213852 TI - The association between caregiver distress and individual neuropsychiatric symptoms of dementia. AB - : Neuropsychiatric symptoms (NPS) of dementia constitute one of the most related factors to caregiver burden and patients' early institutionalization. Few studies in Brazil have examined which symptoms are associated with higher levels of caregiver distress. OBJECTIVE: To evaluate the caregiver distress related to individual NPS in familial caregivers of patients with dementia. We also examined which caregiver and patient factors predict caregiver distress associated with NPS. METHODS: One hundred and fifty-nine familial caregiver and dementia outpatient dyads were included. The majority of the patients had a diagnosis of Alzheimer's disease (66.7%). Caregivers were assessed with a sociodemographic questionnaire, Beck Anxiety and Depression Inventories, and the Neuropsychiatric Inventory - Distress Scale. Patients were submitted to the Mini-Mental State Examination, Functional Activities Questionnaire, and the Neuropsychiatric Inventory. Spearman's rank correlation was used to assess the relationships between the continuous variables. Multiple linear regression analyses with backward stepping were performed to assess the ability of caregiver and patient characteristics to predict levels of caregiver distress associated with NPS. RESULTS: Apathy (M=1.9; SD=1.8), agitation (M=1.3; SD=1.8), and aberrant motor behavior (AMB) (M=1.2; SD=1.7) were the most distressful NPS. The frequency/severity of NPS was the strongest factor associated with caregiver distress (rho=0.72; p<0.05). CONCLUSION: The early recognition and management of apathy, agitation and AMB in dementia patients by family members and health professionals may lead to better care and quality of life for both patients and caregivers. PMID- 29213853 TI - Staff training to reduce behavioral and psychiatric symptoms of dementia in nursing home residents: a systematic review of intervention reproducibility. AB - Staff training has been cited as an effective intervention to reduce behavioral and psychiatric symptoms of dementia (BPSD) in nursing home residents. However, the reproducibility of interventions can be a barrier to their dissemination. A systematic review of controlled clinical trials on the effectiveness of staff training for reducing BPSD, published between 1990 and 2013 on the EMBASE, PUBMED, LILACS, PSYCHINFO and CINAHL databases, was carried out to evaluate the reproducibility of these interventions by 3 independent raters. The presence of sufficient description of the intervention in each trial to allow its reproduction elsewhere was evaluated. Descriptive analyses were carried out. Despite reference to a detailed procedures manual in the majority of trials, these manuals were not easily accessible, limiting the replication of studies. The professional expertise requirement for training implementation was not clearly described, although most studies involved trainers with moderate to extensive expertise, further limiting training reproducibility. PMID- 29213854 TI - Serum levels of soluble TNF-alpha receptors but not BDNF are associated with apathy symptoms in mild Alzheimer's disease and amnestic mild cognitive impairment. AB - : Apathy is intimately associated with dementia. Unfortunately, its pathophysiology remains poorly understood. The motivational impairment that characterizes this disorder might share the same inflammatory mechanisms, as suggested by the sickness behavior theory. OBJECTIVE: The primary aim of this study was to investigate the association between apathy symptoms and serum levels of tumor necrosis factor alpha (TNF-alpha) and its soluble receptors. Brain derived neurotrophic factor (BDNF) levels were also analyzed since these have been associated with depression, a condition which shares abulic features with apathy. METHODS: The sample consisted of 27 subjects with mild Alzheimer's disease or amnestic mild cognitive impairment, who were submitted to specific apathy evaluation using the Apathy Scale (AS) and provided blood samples for biomarker analysis. Participants were categorized into two groups according to median AS scores (17 points). RESULTS: Subjects with higher apathy symptoms (n=13) displayed higher levels of TNF-alpha soluble receptors (type 1: p=0.03; type 2: p=0.04). No other difference was found between groups. CONCLUSION: These findings point to the involvement of inflammatory mediators in the genesis of apathy symptoms, as suggested by the sickness behavior theory. PMID- 29213855 TI - Anti-NMDA-R encephalitis: follow-up of 24 months. AB - Anti-N-methyl-D-aspartate receptor (anti-NMDA-R) encephalitis is the second-most common cause of autoimmune encephalitis, based on epidemiological studies.It has been predominantly described in young females, with prominent psychiatric symptoms, memory loss, decrease in level of consciousness, epilepsy, and central hypoventilation. The condition is commonly associated with mature ovarian teratomas. We describe a video report with a classic presentation of anti-NMDA-R encephalitis in a young patient with no identifiable tumor. Anti-NMDA encephalitis is a recognizable and treatable illness. The prognosis of patients depends on early diagnosis, implementation of appropriate immunomodulatory therapy and, in paraneoplastic cases, complete tumor removal. Clinicians should be wary of this condition, especially when assessing patients with recent onset of psychiatric symptoms unresponsive to antipsychotic treatment. PMID- 29213856 TI - Depressive symptoms and cognitive deficits in a cancer patient submitted to chemotherapy with 5-Fluoracil: a case report. AB - Cognitive deficits in cancer patients can be related to depression, anxiety, and the side effects of treatments such as fatigue. In this case report, we described an elderly patient with rectal adenocarcinoma, which presented depressive symptoms and memory complaints after treatment with 5-Fluoracil and Leucovorin. Depressive symptoms improved after two months but cognitive and functional impairment worsened suggesting the diagnosis of mild dementia. Structural and functional brain changes were seen on neuroimaging exams. Rivastigmine was introduced up to 12 mg/day, and after a one-year follow up the patient remained stable. Cognitive deficits can be a consequence of cancer therapies and a protocol to investigate deficits cognitive could be useful to the diferential diagnosis and management of elderly cancer patients submitted to chemotherapy. PMID- 29213858 TI - In the December 2013 issue. PMID- 29213857 TI - Dissociation of depression from apathy in traumatic brain injury: a case report. AB - Although not evident clinically, lesions to the prefrontal cortex cause great social and functional impairment to patients. The anterior cingulate cortex is intimately involved with motivational behavior and after injury to this area the onset of an apathetic state can be observed. This paper describes the case of a patient with traumatic brain injury to the prefrontal lobe presenting with a depressive syndrome associated with apathetic symptoms. After appropriate treatment for depression, intense apathy was revealed, an irreversible sequelae of the traumatic brain injury, constituting the main barrier to the patient's return of lifestyle and independence. PMID- 29213859 TI - Epidemiology of mild cognitive impairment in Brazil. AB - With the worldwide increase in longevity and rising prevalence of cognitive disorders in the aged population, efforts have been made to characterize mild cognitive impairment (MCI) and its prevalence and/or incidence in a number of countries, given MCI may be a pre-dementia phase of degenerative conditions. The aim of this review was to retrieve the available data on the prevalence and incidence of mild cognitive impairment (MCI) in Brazil and compare these with rates found by studies conducted in other countries. The Pubmed and Scielo databases were searched using the following search terms: mild cognitive impairment, prevalence, incidence, including studies in both English and Portuguese languages. Only one study on MCI prevalence has been published in Brazil, reporting a prevalence rate of 6.1% and incidence of 13.2/1000 persons year among those aged 60 years or over. Prevalence rates for other countries are also reported. The prevalence and incidence of MCI found in Brazil is similar to rates observed in other countries. PMID- 29213860 TI - Reliability of cognitive tests of ELSA-Brasil, the brazilian longitudinal study of adult health. AB - : Cognitive function evaluation entails the use of neuropsychological tests, applied exclusively or in sequence. The results of these tests may be influenced by factors related to the environment, the interviewer or the interviewee. OBJECTIVES: We examined the test-retest reliability of some tests of the Brazilian version from the Consortium to Establish a Registry for Alzheimer's disease. METHODS: The ELSA-Brasil is a multicentre study of civil servants (35-74 years of age) from public institutions across six Brazilian States. The same tests were applied, in different order of appearance, by the same trained and certified interviewer, with an approximate 20-day interval, to 160 adults (51% men, mean age 52 years). The Intraclass Correlation Coefficient (ICC) was used to assess the reliability of the measures; and a dispersion graph was used to examine the patterns of agreement between them. RESULTS: We observed higher retest scores in all tests as well as a shorter test completion time for the Trail Making Test B. ICC values for each test were as following: Word List Learning Test (0.56), Word Recall (0.50), Word Recognition (0.35), Phonemic Verbal Fluency Test (VFT, 0.61), Semantic VFT (0.53) and Trail B (0.91). The Bland-Altman plot showed better correlation of executive function (VFT and Trail B) than of memory tests. CONCLUSIONS: Better performance in retest may reflect a learning effect, and suggest that retest should be repeated using alternate forms or after longer periods. In this sample of adults with high schooling level, reliability was only moderate for memory tests whereas the measurement of executive function proved more reliable. PMID- 29213861 TI - Mattis dementia rating scale (DRS) normative data for the brazilian middle-age and elderly populations. AB - OBJECTIVE: To expand norms for the Mattis Dementia Rating Scale (DRS) for the Brazilian middle-age and elderly populations. METHODS: The DRS was administered to 502 individuals without cognitive deficits, 312 women and 190 men, aged 50 years or over and with educational level ranging from 0 to 13 years or more. The sample was composed of subjects who participated in other studies, from Caete (Minas Gerais state), Ribeirao Preto (Sao Paulo state) and Sao Paulo (Sao Paulo state). Participants were divided into four schooling groups (illiterate, 1 to 4 years, 5 to 12 years and 13 years or more). The subjects were divided into four groups according to age (50 to 60, 61 to 70, 71 to 80, and 80 years or over). RESULTS: Normative data for DRS scores are expressed as percentile values. The group with lowest schooling and subjects older than 80 years had the worst scores. CONCLUSION: As expected, age and education were strongly correlated with DRS scores. Illiterates and older old individuals performed worse than the other groups. These data might help to improve the accuracy of the diagnosis of cognitive impairment and dementia in Brazilian middle-age and elderly populations. PMID- 29213862 TI - Communication map of elderly people Sociodemographic and cognitive-linguistic aspects. AB - : Language and communication difficulties may occur in the elderly population. This is the case of the tip-of-the-tongue phenomenon and receptive and auditory comprehension difficulties. Few studies have focused on examining the effects of social exposure on maintaining communication in the aging process. OBJECTIVES: [1] To describe the communication map of healthy elderly subjects; [2] To search for associations between frequency and time dedicated to communication and cognitive and sociodemographic factors. METHODS: Healthy elderly subjects were submitted to cognitive screening, the Token Test - Revised, and the Verbal Fluency test, and answered the ASHA-FACS and the Circles of Communication Partners questionnaires. RESULTS: 55 subjects, 67% female, with ages over 60 years and varied schooling were included in the sample. Interlocutors in the circle of close friends and acquaintances predominated in the communication map, although the time devoted to communication with these partners was lower than in other circles. Overall, the elderly reported no deficits in language comprehension, with some reports of the tip-of-the-tongue phenomenon. Poor performances on the Token Test - Revised and in phonemic verbal fluency along with reports of communication functionality indicated that these subjects compensate for their problems. CONCLUSION: Older subjects with lower schooling tended to predominantly communicate within the family circle. Within other circles, the number of hours devoted to communication and dialogue partners was not associated with age or schooling. The time devoted to the circle of communication with friends may indicate cognitive difficulties. PMID- 29213863 TI - Translation, cross-cultural adaptation and applicability of the Brazilian version of the Frontotemporal Dementia Rating Scale (FTD-FRS). AB - BACKGROUND: Staging scales for dementia have been devised for grading Alzheimer's disease (AD) but do not include the specific symptoms of frontotemporal lobar degeneration (FTLD). OBJECTIVE: To translate and adapt the Frontotemporal Dementia Rating Scale (FTD-FRS) to Brazilian Portuguese. METHODS: The cross cultural adaptation process consisted of the following steps: translation, back translation (prepared by independent translators), discussion with specialists, and development of a final version after minor adjustments. A pilot application was carried out with 12 patients diagnosed with bvFTD and 11 with AD, matched for disease severity (CDR=1.0). The evaluation protocol included: Addenbrooke's Cognitive Examination-Revised (ACE-R), Mini-Mental State Examination (MMSE), Executive Interview (EXIT-25), Neuropsychiatric Inventory (NPI), Frontotemporal Dementia Rating Scale (FTD-FRS) and Clinical Dementia Rating scale (CDR). RESULTS: The Brazilian version of the FTD-FRS seemed appropriate for use in this country. Preliminary results revealed greater levels of disability in bvFTD than in AD patients (bvFTD: 25% mild, 50% moderate and 25% severe; AD: 36.36% mild, 63.64% moderate). It appears that the CDR underrates disease severity in bvFTD since a relevant proportion of patients rated as having mild dementia (CDR=1.0) in fact had moderate or severe levels of disability according to the FTD-FRS. CONCLUSION: The Brazilian version of the FTD-FRS seems suitable to aid staging and determining disease progression. PMID- 29213864 TI - Cognitive and renal dysfunction in the elderly. AB - : Cognitive impairment has been associated with several diseases and organic disturbances but few studies have explored the relationship between renal function and cognition. OBJECTIVE: The aim of this study was to compare the renal function of elderly patients with and without Alzheimer's disease, and to identify potential associated comorbidities, as well as the presence of microalbuminuria. METHODS: A group of 60 patients with dementia syndrome and probable Alzheimer's disease, and 20 patients without dementias, followed at the Geriatric outpatient unit of the Santa Casa de Sao Paulo Hospital, were selected for this study. RESULTS: The results showed that the groups studied differed in terms of age, gender and Mini-Mental State Exam score, but no statistical difference was found for the presence of comorbidities (diabetes mellitus, dyslipidemia and systemic arterial hypertension). A significant difference in estimated creatinine clearance was observed between the two groups, with the Alzheimer's disease patients presenting significantly lower values than control subjects. Similarly, analysis of a portion of the two groups for the presence of microalbuminuria revealed a statistically significant difference between the two groups. CONCLUSION: The study conclusions were that patients with Alzheimer's disease had lower glomerular filtration and a higher incidence of microalbuminuria, yet without having more classic risk factors for Alzheimer's disease such as systemic arterial hypertension, diabetes mellitus or dyslipidemia. PMID- 29213865 TI - The association between nutritional status and cognitive impairment in brazilian community-dwelling older adults assessed using a range of anthropometric measures - the Bambui study. AB - : In most studies, body mass index (BMI) has been used as the main measurement of nutritional status. However, BMI does not differentiate between body fat and muscle mass. OBJECTIVE: To investigate the association between nutritional status and cognitive impairment in a population of Brazilian elderly. METHODS: Participants (n=1,496) from the Bambui Cohort Study of Aging were selected based on the results for the two variables nutritional status and cognitive impairment (MMSE score). Gender, age, education, lifestyle, ApoE, chronic diseases, depressive symptoms, current use of hypnotic or sedative medication and functional disability were used as confounding factors for adjusting the logistic regression. RESULTS: Cognitive impairment was associated with lower BMI (OR: 0.91; CI: 0.86-0.95), waist circumference (OR: 0.97; CI: 0.95-0.99), triceps skinfold thickness (OR: 0.92; CI: 0.89-0.96) among the younger participants (60 69 years), while lower arm muscle circumference (OR: 0.88; CI: 0.80-0.98) and corrected arm muscle area (OR: 0.96; CI: 0.93-0.99) were associated with cognitive impairment among the older participants (70 years and over). CONCLUSION: There was a difference of association between anthropometric measures and cognitive impairment after stratifying by age group. In the group aged between 60 and 69, cognitive impairment was associated with measures related to fat mass, while in the group aged over 70, cognitive impairment was associated with measures related to muscle mass. This finding suggests that investigation of nutritional status in the elderly using anthropometric measures should not be restricted only to the use of BMI, and should also, differ according to age. PMID- 29213866 TI - Cognitive abilities screening instrument-short form, mini-mental state examination and functional activities questionnaire in the illiterate elderly. AB - : Dementia prevalence is increasing in developing countries due to population aging. Brief tests for assessing cognition and activities of daily living are very useful for the diagnosis of dementia by the clinician. Low education, particularly illiteracy, is a hindrance to the diagnosis of dementia in several regions of the world. OBJECTIVES: To compare the Brazilian version of the Cognitive Abilities Screening Instrument-Short Form (CASI-S) with the Mini-Mental State Examination (MMSE) and Pfeffer Functional Activities Questionnaire (PFAQ) for the diagnosis of dementia in illiterate elderly. METHODS: A cross-sectional study with illiterate elderly of both genders seen at the outpatient clinics of the Institute of Gerontology and Geriatrics Jundiai, Sao Paulo state was performed. Spearman's correlation coefficient was used to correlate CASI-S, MMSE and PFAQ scores. RESULTS: The sample comprised 29 elderly over 57 years old whose mean scores on the CASI-S (scores ranging from 3 to 23) and the MMSE (scores ranging from 2 to 23) were 11.69 and 12.83, respectively. There was a strong significant correlation between the CASI-S and MMSE (r=0.75, p<0.001) and a moderate correlation coefficient that was significant and negative between the PFAQ and CASI-S (r= -0.53 p=0.003),similar to that between the MMSE and PFAQ (r= 0.41 p=0.025). CONCLUSION: The Brazilian version of the CASI-S demonstrates ease of application and correction in the illiterate elderly, and warrants further studies regarding its applicability for the diagnosis of dementia in populations with a heterogeneous educational background. PMID- 29213867 TI - Diagnostic use of neuro-spect quantified with 99mTc-ECD a model based on normal data. AB - OBJECTIVE: The purpose of the present study was to prospectively quantify the normal limits of brain perfusion using specific software in a group of asymptomatic young volunteers submitted to single-photon emission tomography (SPECT) with 99mTc-ethyl cysteinate dimer (99mTc-ECD). METHODS: We used 15 MBq/kg of intravenous 99mTc-ECD in 30 healthy volunteers submitted to brief neuropsychological tests and a clinical questionnaire. These data were normalized relative to the cerebellum (Group 1) and to the brain cortex (Group 2). Statistical analysis was performed with Student's t-test. The average radioactivity was 6.5 million counts/study. RESULTS: The normalized (Group I) revealed an average value of 78.03%, with standard deviation (SD) of 4.07. Two volunteers in this group had slightly greater than two standard deviations from the mean. When we used (Group II), the average value was 71.01%, with a SD of 4.66. We observed a difference between groups of 9% (P<0.001). CONCLUSION: The present study suggests normal cortical perfusional values for a group of young asymptomatic volunteers, utilizing 99mTc-ECD. This allows further quantification of neuro-SPECT data, specifically comparisons across patient populations. Furthermore, this method represents a new tool that can be used to further explore the field of neuroimaging, particularly neuropsychiatry. PMID- 29213868 TI - Non-literal language and semantic dementia. AB - : Semantic dementia is characterized by fluent, phonologically adequate speech with various anomias and semantic paraphasias. Performance on semantic tasks is well documented in these patients, although little is known regarding performance on more complex language tasks, such as those involving non-literal language (interpretation of metaphors and proverbs and recognition of irony). OBJECTIVE: To report the investigation of non-literal language in cases of semantic dementia. METHODS: Two cases of semantic dementia were investigated for the presence of deficits in non-literal language abilities using the screening test for Alzheimer's disease with proverbs, metaphor test and irony test. RESULTS: Both patients were found to have low performance on the tests applied, particularly for interpretation of proverbs. CONCLUSION: This poor performance was attributed largely to the characteristic semantic changes of the disease, but some frontal symptoms inherent to other forms of frontotemporal lobar degeneration were also observed which interfered in the testing, such as negativism, reduced attention span, concretism and perseverations. PMID- 29213869 TI - Rapidly progressive dementia due to neurosarcoidosis. AB - : Rapidly progressive dementia (RPD) is typically defined as a cognitive decline progressing to severe impairment in less than 1-2 years, typically within weeks or months. Accurate and prompt diagnosis is important because many conditions causing RPD are treatable. Neurosarcoidosis is often cited as an unusual reversible cause of RPD. METHODS: We report two cases of neurosarcoidosis presenting as RPD. RESULTS: Case 1: A 61-year-old woman developed a RPD associated with visual loss. In seven months she was dependent for self-care. Magnetic resonance imaging (MRI) revealed temporal and suprasellar brain lesions. Treatment with high-dose intravenous prednisolone was associated with partial improvement. Case 2: A 43-year-old woman who was being treated for diabetes insipidus developed a severe episodic amnesia one year after onset of cognitive symptoms. Previous MRI had shown a hypothalamic lesion and she had been treated with oral prednisone and cyclophosphamide. There was reduction of the MRI findings but no improvement in the cognitive deficits. Brain biopsy disclosed noncaseous granulomas and granulomatous angiitis; treatment was changed to high dose intravenous methylprednisolone, with poor symptomatic response. CONCLUSION: The diagnosis of RPD due to neurosarcoidosis can be challenging when the disease is restricted to the nervous system. In these cases, clinical presentation of RPD associated with neuroendocrine and visual dysfunction, imaging findings showing hypothalamic lesions and, in some cases, brain biopsy, are the key to a correct diagnosis. It is possible that earlier diagnoses and treatment could have led to a better outcome in these patients. PMID- 29213870 TI - Meynert and the basal nucleus. AB - Meynert described the "loop of the peduncular foot" (Schlinge des Hirnschenkelfusses), and its ganglion (Ganglion der Hirnschenkelschlinge) and related them to Reil's Substantia innominata and Gratiolet's Ansa peduncularis, from which he apparently built up his findings. Koelliker renamed the ganglion with the eponymous designation Meynert'sches Basalganglion (Meynert's basal ganglion), a name which endures to the present day, and described its topographical spread in relation to neighboring structures. Meynert and Koelliker also described aspects of cell composition of the ganglion (or nucleus) with a better account of the latter. Both, together with Reil and Gratiolet, were the outstanding personalities of the 19th century who performed the pioneering studies on basal formations of the forebrain. After these works, a considerable body of research appeared in the 20th century, with a focus on Meynert's basal nucleus and related structures. The development of further knowledge about these structures revealed their great importance in the activity of the brain, as evidenced in both normal and pathological states. PMID- 29213872 TI - In the March 2014 issue. PMID- 29213871 TI - Encephalomyelopathy associated with HTLV-I a primary disease or coexisting with multiple sclerosis? AB - HTLV-I-associated myelopathy (HAM/TSP) is the most common neurological manifestation of HTLV-I, causing progressive weakness, sensory disturbance, and sphincter dysfunction. Although motor disorders have been well described, few studies have associated cognitive disorders and HTLV-I infection. In areas endemic for HTLV-I infection, the differential diagnosis between HAM/TSP and other myelopathy etiologies can be difficult, particularly if the patient has signs and symptoms of brain involvement, since seropositive HTLV-I patients can present other neurological diseases. Here, we report one case initially diagnosed as Multiple Sclerosis (MS) which, upon further investigation, was found to be HTLV-I seropositive. PMID- 29213873 TI - Action/Verb processing: Debates in neuroimaging and the contribution of studies in patients with Parkinson's disease. AB - The objective of the current review was to verify whether studies investigating lexical-semantic difficulties in patients with Parkinson's disease (PD) support the Embodied Cognition model. Under this framework, it is predicted that patients with PD will have more difficulties in the semantic processing of action concepts (action verbs) than of motionless objects. We also verified how and whether these studies are following current debates of Neuroscience, particularly the debate between the Lexical and the Embodied Cognition models. Recent neuroimaging studies on the neural basis of the semantics of verbs were presented, as well as others that focused on the neural processing of verbs in PD. We concluded that few studies suitably verified the Embodied Cognition theory in the context of PD, especially using neuroimaging techniques. These limitations show there is much to investigate on the semantic difficulties with action verbs in these patients, where it is particularly important to control for psycholinguistic variables and the inherent semantic characteristics of verbs in future studies. PMID- 29213874 TI - Sport-related concussions. AB - Traumatic brain injury (TBI) is a major cause of lifelong disability and death worldwide. Sport-related traumatic brain injury is an important public health concern. The purpose of this review was to highlight the importance of sport related concussions. Concussion refers to a transient alteration in consciousness induced by external biomechanical forces transmitted directly or indirectly to the brain. It is a common, although most likely underreported, condition. Contact sports such as American football, rugby, soccer, boxing, basketball and hockey are associated with a relatively high prevalence of concussion. Various factors may be associated with a greater risk of sport-related concussion, such as age, sex, sport played, level of sport played and equipment used. Physical complaints (headache, fatigue, dizziness), behavioral changes (depression, anxiety, irritability) and cognitive impairment are very common after a concussion. The risk of premature return to activities includes the prolongation of post concussive symptoms and increased risk of concussion recurrence. PMID- 29213875 TI - Addenbrooke's Cognitive Examination-Revised is accurate for detecting dementia in Parkinson's disease patients with low educational level. AB - : Diagnosis of Parkinson's disease dementia is a challenge in clinical settings. A comprehensive neuropsychological evaluation is time-consuming and expensive; brief instruments for cognitive evaluation must be easier to administer and provide a reliable classification. Objective: To study the validity of the Brazilian version of Addenbrooke's Cognitive Examination-Revised (ACE-R) for the cognitive assessment of Parkinson's disease (PD) patients with heterogeneous educational level. Methods: Patients were evaluated according to the diagnostic procedures recommended by the Movement Disorder Society (MDS) as the gold standard for the diagnosis of dementia in PD. Results: We studied 70 idiopathic PD patients, with a mean (SD) age of 64.1 (9.3) years and mean disease duration of 7.7 (5.3) years and educational level of 5.9 years, matched for education and age to controls. Twenty-seven patients fulfilled MDS clinical criteria for PD dementia. Mean scores on the ACE-R were 54.7 (12.8) points for patients with PD dementia, 76 (9.9) for PD patients without dementia and 79.7 (1.8) points for healthy controls. The area under the receiver operating curve, taking the MDS diagnostic procedures as a reference, was 0.93 [95% CI, 0.87-0.98; p<0.001] for ACE-R. The optimal cut-off value for ACE-R was <=72 points [sensitivity 90%; specificity 85%; Kappa concordance (K) 0.79]. Conclusion: ACE-R appears to be a valid tool for dementia evaluation in PD patients with heterogeneous educational level, displaying good correlation with clinical criteria and diagnostic procedures of the MDS. PMID- 29213876 TI - Performance of an adult Brazilian sample on the Trail Making Test and Stroop Test. AB - Objective: The Trail Making Test (TMT) and Stroop Test (ST) are attention tests widely used in clinical practice and research. The aim of this study was to provide normative data for the adult Brazilian population and to study the influence of gender, age and education on the TMT parts A and B, and ST cards A, B and C. Methods: We recruited 1447 healthy subjects aged >=18 years with an educational level of 0-25 years who were native speakers of Portuguese (Brazilian). The subjects were evaluated by the Matrix Reasoning and Vocabulary subtests of the Wechsler Adult Intelligence Scale-III, along with the TMTA, TMTB and ST A, B and C. Results: Among the participants, mean intellectual efficiency was 103.20 (SD: 12.0), age 41.0 (SD: 16.4) years and education 11.9 (SD: 5.6) years. There were significant differences between genders on the TMTA (p=0.002), TMTB (p=0.017) and STC (p=0.024). Age showed a positive correlation with all attention tests, whereas education showed a negative correlation. Gender was not found to be significant on the multiple linear regression model, but age and education maintained their interference. Conclusion: Gender did not have the major impact on attentional tasks observed for age and education, both of which should be considered in the stratification of normative samples. PMID- 29213877 TI - Executive function and processing speed in Brazilian HIV-infected children and adolescents. AB - Background: Cognitive disorders in infants and children who are vertically infected with human immunodeficiency virus (HIV) have been recognized since the inception of the epidemic. Objective: The present study investigated neuropsychological performance in a cohort of vertically infected Brazilian children and adolescents who underwent antiretroviral therapy. The neuropsychological tasks were designed to evaluate executive function and processing speed. Methods: Children and adolescents were recruited at a major research and treatment reference center for human immunodeficiency virus/acquired immunodeficiency syndrome (HIV) in Minas Gerais, Brazil. Forty-one individuals aged 5 to 17 years were enrolled. Twelve were mildly symptomatic (HIV-infected group, Centers for Disease Control and Prevention [CDC] class A or B), and 29 had advanced clinical disease (AIDS group, CDC class C). Results: The results showed that HIV-infected children and adolescents exhibited lower performance on neuropsychological tasks than sociodemographically comparable, typically developing controls. Motor and cognitive processing speed and executive function appeared to be the most discriminative domains. Conclusion: HIV-infected individuals with more-advanced disease stages exhibited lower performance levels and had greater performance heterogeneity on neuropsychological tasks. Thus, the observed neuropsychological impairments, although more pronounced in participants with more advanced stages of the disease, did not correlate with the variable used (CDC stage). PMID- 29213878 TI - Dementia care in public health in Brazil and the world: A systematic review. AB - Objective: This study aimed to identify in the recent scientific literature, information on health care provided to people with dementia, dementia costs and its resource implications for public health. Methods: This was a systematic review of the literature in which the articles were consulted from the databases PubMed/MEDLINE, LILACS and SciELO. The review sample consisted of 45 articles. Results: Examination of the studies identified the current scenario of dementia in relation to public health and public policy in Brazil and the world. The analyzed studies revealed key information on aspects of dementia in the world. There was consensus on the high prevalence of the syndrome and on the significant cost of health care and public policy for assisting the elderly with dementia. Conclusion: The importance of planning and implementing new public policies was recognized, since these are essential for the organization and management of health services and directly influence the country's ability to provide health care for people with dementia. PMID- 29213879 TI - The Basis and Applications of the Action Fluency and Action Naming Tasks. AB - : The Action Fluency (AF) and Action Naming (AN) are different tasks involving verb generation. Evidence indicates that verb tasks yield different information from that obtained with nouns. Objective: This study aimed to analyze the information available in the scientific literature on the mechanism and clinical application of these tasks. Methods: We carried out a systematic review of the literature and the findings were presented according to clinical studies and neuroimaging studies, and to the task in question. Results: The literature contained a variety of relevant studies with different objectives, methodologies and populations. After the analysis (exclusion criteria) of the studies obtained by the search terms, only 40 studies were included in this review. Conclusion: It was possible to conclude that AF and AN involve different brain processes, and although recruiting frontal areas and circuits, other areas are also critical. These tasks may be useful for differentiating Primary Progressive Aphasias; AF might represent a new measure of executive function; finally, both these tests can be used to provide a better understanding of cognitive processes and certain diseases. PMID- 29213880 TI - Rehabilitation of discourse impairments after acquired brain injury. AB - : Language impairments in patients with acquired brain injury can have a negative impact on social life as well as on other cognitive domains. Discourse impairments are among the most commonly reported communication deficits among patients with acquired brain damage. Despite advances in the development of diagnostic tools for detecting such impairments, few studies have investigated interventions to rehabilitate patients presenting with these conditions. Objective: The aim of this study was to present a systematic review of the methods used in the rehabilitation of discourse following acquired brain injury. Methods: The PubMed database was searched for articles using the following keywords: "rehabilitation", "neurological injury", "communication" and "discursive abilities". Results: A total of 162 abstracts were found, but only seven of these met criteria for inclusion in the review. Four studies involved samples of individuals with aphasia whereas three studies recruited samples of individuals with traumatic brain injury. Conclusion: All but one article found that patient performance improved following participation in a discourse rehabilitation program. PMID- 29213881 TI - Epilepsy in patients with Alzheimer's disease: A systematic review. AB - : Alzheimer's disease (AD) and epilepsy are common disorders in the elderly. Evidence demonstrates that patients with AD have an increased risk of developing epilepsy and seizures. Objective: To review epidemiological, clinical and treatment aspects of epilepsy and AD. Methods: We reviewed databases (PubMED, LiLACS, Scielo) conducting a search for manuscripts using the terms Alzheimer's disease and epilepsy. Results: Manuscripts related to the areas of interest were reviewed. Studies revealed that epilepsy is more frequent among AD patients. The combined presence of the two disorders may be related to mechanisms of neuronal hyperexcitability as a consequence of amyloid-beta protein (Abeta) or phosphorylated tau accumulation, as well as to structural changes in cortical and hippocampal regions. Available data suggest that the new generation of antiepileptic drugs (AEDs) are better tolerated in the elderly population, and may also be the best option in patients with AD and epilepsy. Conclusion: Further prospective studies involving evaluation of concomitant dementia and epilepsy, neurophysiological findings and biomarkers need to be performed. PMID- 29213882 TI - Performance of patients with frontotemporal lobar degeneration on artistic tasks: A pilot study. AB - : Several studies have addressed visuospatial and executive skills in artistic activities in Frontotemporal Lobar Degeneration (FTLD) and Alzheimer's disease (AD). Objective: To investigate the performance of FTLD patients compared to controls on two artistic tasks. Methods: Four FTLD patients with mean age of 57 (8.7) years and schooling of 12.2 (4.5) years plus 10 controls with mean age of 62.9 (8.6) years and schooling of 12.3 (4.6) years, were assessed using the Lowenstein Occupational Therapy Cognitive Assessment (LOTCA) and by a three-stage artistic protocol including visual observation, copying and collage, based on a Sisley painting. Results: FTLD patients had lower scores than controls on Visuospatial Perception, Copy, Collage, Examiner's Observation, and Total, showing distinct patterns of performance according to FTLD sub-type: semantic PPA, nonfluent PPA and bvFTD. Conclusion: FTLD patients presented impairment in the visuospatial and executive skills required to perform artistic tasks. We demonstrated that the application of the instrument as a complimentary method for assessing cognitive skills in this group of patients is possible. Further studies addressing larger and more homogeneous samples of FTLD patients as well as other dementias are warranted. PMID- 29213883 TI - Brown-Sequard: On neural networks and brain localization of functions. AB - The notion that the brain (encephalon) is a network of interconnected neurons has a long and memorable history. Cytoarchitectonic and hodological studies coupled with advanced neuroimaging techniques have produced a substantial body of knowledge on structural and functional organization. Acquiring the rich knowledge held today took a long and winding journey. Important advancements were made in the 19th century, with the remarkable Brown-Sequard figuring as one of the protagonists. Regarding the brain, he proposed nine mental and physical functions (organs) related to distributed cell clusters, interconnected according to their roles, the "network of anastomosing cells", dynamically submitted to "dynamogenic and inhibitory activities", and "action at a distance" concepts, the latter also related to his notion of "recovery". It is remarkable that someone was able to propose, ahead of his time, and with the limited technical resources available, such significant concepts that paved the way for the current state of knowledge. PMID- 29213884 TI - Frontotemporal dementia and amyotrophic lateral sclerosis: revisiting one of the first case reports with neuropathology examination. AB - The occurrence of dementia in amyotrophic lateral sclerosis (ALS) was only widely recognized in the late 20th century. Hitherto, it was believed that dementia was a rare event due to the fortuitous association with other diseases. In 1924, Kostantin Nikolaevich Tretiakoff and Moacyr de Freitas Amorim reported a case of dementia with features of frontotemporal dementia (FTD) that preceded the motor signs of ALS. Neuropathological examination confirmed ALS and found no signs of other dementia-causing diseases. The authors hypothesized that dementia was part of ALS and recommended the search for signs of involvement of motor neurons in cases of dementia with an ill-defined clinical picture, a practice currently accepted in the investigation of cases of FTD. This was one of the first descriptions of dementia preceding the motor impairments of ALS and was published in Portuguese and French in Memorias do Hospicio de Juquery. PMID- 29213885 TI - A successful case of anti-NMDAR encephalitis without tumor treated with a prolonged regimen of plasmapheresis. AB - Anti-NMDA receptor encephalitis is a severe but treatable autoimmune disease of the CNS. However, the use of immunotherapy and long-term outcomes have yet to be defined for this disease. We describe a case of an 18-year-old male diagnosed with anti-NMDAR encephalitis not associated with tumor, which did not respond to initial treatment with immunoglobulin, followed by corticosteroids, cyclophosphamide and evolved with significant clinical improvement after a prolonged course of plasmapheresis. Although it is not possible to affirm the good outcome was due solely to the prolonged plasmapheresis regimen, recently published data shows that improvement may take weeks or months to occur. This case discloses another therapeutic possibility for patients with refractory disease who fail to respond to recommended first-line and second-line therapy. PMID- 29213886 TI - Anterior portion of the cingulate gyrus: A novel location for transient global amnesia? AB - Transient global amnesia (TGA) is characterized by abrupt transient loss of anterograde memory, lasting up to 24 hours, and no other focal neurological signs. We report the case of a right-handed 71-year-old female patient who presented temporal-spatial disorientation 5 minutes after ingestion of 1000 ml of iodinated contrast. The patient had mild temporal-spatial disorientation, with significant deficit in anterograde memory. After 12 hours under observation, the patient progressed to gradual improvement and was discharged. A reevaluation after 15 days showed normal cortical functions, score on mini-mental state exam of 30, and unaffected working and recall memory. MRI performed 48 hours after the event showed hypersignal in the diffusion sequence in the anterior portion of the cingulate gyrus, with hypointense signal in MAP/ADC, confirming a finding consistent with TGA. No previous reports in the literature have described the location affected in this patient, rendering it a novel site consistent with this diagnosis. PMID- 29213887 TI - In the June 2014 issue. PMID- 29213888 TI - Overcoming barriers in cognitive assessment of Alzheimer's disease. AB - Diagnosis of Alzheimer's disease (AD) requires a reliable neuropsychological assessment, but major barriers are still encountered when such tests are used across cultures and during the lifespan. This is particularly problematic in developing countries where most of the available assessment tools have been adapted from developed countries. This represents a major limitation as these tests, although properly translated, may not embody the wealth of challenges that a particular culture poses on cognition. This paper centers on two shortcomings of available cognitive tests for AD, namely, their sensitivity to the educational background and to the age of the individual assessed. PMID- 29213889 TI - Instruments for assessing pain in persons with severe dementia. AB - Through an integrative literature review involving the CINAHL, Cochrane, Embase, LILACS, PsycINFO, PubMed databases, tools available in the literature for assessing pain in individuals with severe dementia were identified along with versions validated for use in Brazil. We found 1501 relevant articles which, after selection of abstracts and full reading, yielded a final sample of 33 articles. The analysis enabled the identification of 12 instruments: ABBEY PAIN SCALE; ADD; CNPI; CPAT; DOLOPLUS-2; MOBID and MOBID-2; MPS; NOPPAIN; PACSLAC; PADE; PAINAD and PAINE. Despite the wide variety of tools for assessing pain in individuals with severe dementia worldwide, it was observed that only four are available in Portuguese, of which two are culturally adapted for Brazilian Portuguese (NOPPAIN and PACSLAC) and two validated for Portuguese of Portugal (DOLOPLUS and PAINAD), pointing to the need for further validation of instruments for use in Brazil. PMID- 29213890 TI - Use of computerized tests to assess the cognitive impact of interventions in the elderly. AB - With the aging of the population, the possibility of the occurrence of cognitive decline rises. A number of types of intervention seek to attenuate or reverse this impairment. The use of computerized tests helps quantify the effects of interventions on cognitive function in the elderly. The objective of the present review was to analyze studies that have utilized computerized cognitive tests to determine the effects of interventions in the elderly population, describing the batteries and tests employed, the populations studied and reports by authors on the limitations or benefits of employing these tests in older adults. The review was performed on the PubMed database using the descriptors: cognitive computerized test and elderly. We retrieved 530 studies and, following analysis of their abstracts, selected 32 relevant to the subject. The studies utilized 19 different types of computerized tests and batteries to assess the interventions, which were predominantly drug trials. There were no reports on limitations in the use of the computerized tests, suggesting this type of intervention had good applicability, sensitivity, and little or no practice effects in this population. PMID- 29213891 TI - Computerized Neurocognitive Test (CNT) in mild cognitive impairment and Alzheimer's disease. AB - Currently, computerized batteries are of great value in detecting cognitive impairment. This aim of this review was to compare the computerized neurocognitive batteries used in most studies with cognitive decline over the last 10 years. Using the search words computerized cognitive assessment with: dementia, mild cognitive impairment, and Alzheimer's disease, the CogState, CNS Vital Sings, COGDRAS and Mindstreams batteries were retrieved. PMID- 29213892 TI - The association between educational level and dementia in rural Tanzania. AB - : The majority of people with dementia worldwide live in developing countries. Studies from the developed world have reported an association between lower educational attainment and dementia, but there are few data from the developing world where literacy and educational levels are frequently much lower. In this study we assessed the association between education and dementia prevalence in a rural Tanzanian setting. Methods: In phase I, 1198 individuals aged 70 and over were assessed using the Community Screening Instrument for Dementia (CSI-D). In phase Ii a stratified sample of those seen in phase I were fully assessed and a clinical diagnosis based on DSM-IV criteria was made where appropriate. Information regarding literacy, highest attained educational level and occupation were also collected. Results: The median subject cognitive score on the CSI-D was 25.7 (IQR 22.7 to 28.0) for females and 27.7 (IQR 25.7 to 29.4) for males. This difference was significant (U=117770.0, z= -9.880, p<0.001). In both males and females a lower CSI-D subject cognitive score was significantly associated with having had no formal education (U=34866.5, z= -6.688, p<0.001, for females; U=20757.0, z= -6.278, p<0.001, for males). After adjusting for the effect of age, having no formal education was significantly associated with greater odds of having 'probable dementia' by CSI-D, as was illiteracy. Amongst those interviewed in phase II, there was no significant difference in literacy or education between those with diagnosed DSM-IV dementia and those without. Conclusion: In this rural Tanzanian population, we found a significant association between low levels of education and dementia by CSI-D. This relationship was not significant in cases meeting DSM-IV criteria for dementia. PMID- 29213893 TI - Features associated with cognitive impairment and dementia in a community-based sample of illiterate elderly aged 75+ years: the Pieta study. AB - : A higher level of educational attainment constitutes a protective factor against cognitive decline in the elderly. Nevertheless, the elements underpinning this association are yet not fully understood. Objective: The primary aim of this study was to compare cognitively impaired illiterate elderly subjects with cognitively preserved counterparts, according to demographics, comorbidities, lifetime habits and APOE genotype. Methods: This is a cross-sectional analysis of the illiterate subset of participants (n=174) from the Pieta study, a community based survey of successful brain aging conducted in Caete (MG), Brazil. Subjects were categorized into three diagnostic groups: cognitively normal (CN), cognitive impairment no-dementia (CIND) and dementia. The groups were then compared according to selected variables. Results: Subjects with dementia were older and had an increased prevalence of reported stroke or transient ischemic attack. The three groups did not differ in relation to demographics, prevalence of comorbidities, socioeconomic level, previous occupation profile and APOE-epsilon4 allele frequency. Qualitatively evaluated lifetime habits, such as alcohol consumption, smoking and physical activity engagement were also similar across groups. Conclusion: No associations were found between cognitive impairment/dementia and the variables evaluated in this community-based sample of illiterate elderly. PMID- 29213894 TI - Dementia in developing countries: Does education play the same role in India as in the West? AB - : Evidence suggests that education protects from dementia by enhancing cognitive reserve. However, this may be influenced by several socio-demographic factors. Rising numbers of dementia in India, high levels of illiteracy and heterogeneity in socio-demographic factors provide an opportunity to explore this relationship. Objective: To study the association between education and age at dementia onset, in relation to socio-demographic factors. Methods: Association between age at dementia onset and literacy was studied in relationship to potential confounding factors such as gender, bilingualism, place of dwelling, occupation, vascular risk factors, stroke, family history of dementia and dementia subtypes. Results: Case records of 648 dementia patients diagnosed in a specialist clinic in a University hospital in Hyderabad, India were examined. All patients were prospectively enrolled as part of an ongoing longitudinal project that aims to evaluate dementia subjects with detailed clinical, etiological, imaging, and follow-up studies. Of the 648 patients, 98 (15.1%) were illiterate. More than half of illiterate skilled workers were engaged in crafts and skilled agriculture unlike literates who were in trade or clerical jobs. Mean age at onset in illiterates was 60.1 years and in literates 64.5 years (p=0.0002). Factors independently associated with age at dementia onset were bilingualism, rural dwelling and stroke, but not education. Conclusion: Our study demonstrates that in India, rural dwelling, bilingualism, stroke and occupation modify the relationship between education and dementia. PMID- 29213895 TI - A systematic review and meta-analysis of the diagnostic accuracy of the Phototest for cognitive impairment and dementia. AB - : The recently developed Phototest is a simple, easy and very brief test for detecting cognitive impairment or dementia. Objective: To evaluate the diagnostic accuracy of the Phototest for detecting cognitive impairment or dementia. Methods: We used a manually created database to search for studies evaluating the Phototest diagnostic yield and performed an initial meta-analysis to determine sensitivity (Sn) and specificity (Sp) of diagnostic parameters. We also performed a second meta-analysis of individual participant data. Results: In total, 6 studies were included in the meta-analysis. For dementia, Sn was 0.85 (95% CI, 0.82-0.88) and Sp 0.87 (95% CI, 0.85-0.99); for cognitive impairment, Sn was 0.80 (95% CI, 0.77-0.92) and Sp 0.88 (95% CI, 0.86-0.90). In the individual data meta analysis, 1565 subjects were included, where best cut-off points for dementia and for cognitive impairment were 26/27 (Sn=0.89 (95% CI 0.85-0.91), Sp=0.84 (95% CI, 0.82-0.91)) and 28/29 (Sn=0.79 (95% CI, 0.76-0.81), Sp=0.88 (95% CI, 0.86-0.90)), respectively. Conclusion: Phototest has good diagnostic accuracy for dementia and cognitive impairment. It is brief, simple and can be used in illiterate persons. This makes it suitable for use in primary care settings and/or in subjects with low educational level. PMID- 29213896 TI - Age, education and gender effects on neuropsychological functions in healthy Indian older adults. AB - : It is essential to use culturally appropriate, sensitive and specific tests that reflect true cognitive performance. However, several factors including age, education and gender can influence neuropsychological test performance. Objective: To examine the effects of age, education and gender on neuropsychological function in older adults using measures of global cognitive screening, attention, working memory, executive functions, memory, construction, language and parietal focal signs. Methods: This is a cross sectional normative study of 180 community-dwelling normal older adults. All participants were screened with the Hindi Mental Status Examination (HMSE), Everyday Activities Scale for India (EASI), Edinburgh handedness inventory (EDI) and MINI Screen, and followed by a detailed neuropsychological assessment. Results: Stepwise regression analysis revealed that education was associated with better performance on all the neuropsychological tests. Females performed significantly better on measures of memory. Further, most of the illiterate subjects, including low educated participants, refused to cooperate on measures of executive functioning. Conclusion: Education was found to be the strongest determinant of neuropsychological test performance followed by age and gender. Our study demonstrates that Indian healthy normal older adults with low education perform poorly on measures of planning and working memory. Traditional measures of planning and working memory should be avoided or used cautiously in the presence of low education. There is an urgent need to develop tasks for measuring executive functions, especially in low educated Indian older adults. PMID- 29213898 TI - Cognitive output of a neuropsychological stimulation program in an elderly day care center with low educated participants: An observational study. AB - Objective: In the present paper we present an observational study of the implementation of a Neuropsychological Stimulation Program at an Elderly Day Care Center in low-educated participants with very similar backgrounds concerning social economic status. Methods: The implemented program tackled several dimensions, including daily orientation sessions, cognitive stimulation sessions twice a week, followed by movement sessions, and structured sessions conducted every two weeks. Cognitive Evaluation was performed before and after implementation of the program. Results: Results are discussed taking into consideration cognitive outputs as well as non-cognitive outputs and the specificities of community-based intervention. Conclusion: It was concluded that community-based intervention is set to become vital in promoting dementia prevention. PMID- 29213897 TI - Verbal and visuospatial executive functions in healthy elderly: The impact of education and frequency of reading and writing. AB - Objective: To assess the predictive role of education and frequency of reading and writing habits (FRWH) on the cognitive flexibility, inhibition and planning abilities of healthy elderly individuals. Methods: Fifty-seven healthy adults aged between 60 and 75 years with 2 to 23 years of formal education were assessed as to the frequency with which they read and wrote different types of text, as well as their number of years of formal education. Executive functions were evaluated using the Hayling Test and the Modified Wisconsin Card Sorting Test (MWCST). Results: Weak to moderate positive correlations were found between education, FRWH and the number of categories completed in the MWCST, while negative correlations were identified between these variables and the number of perseverative and non-perseverative errors on the task. Only the FRWH was significantly correlated with the number of failures to maintain set. Speed and accuracy on the Hayling Test were only correlated with participant education. Both education and FRWH significantly predicted performance on the MWCST, and the combination of these two variables had a greater predictive impact on performance on this task than either of the two variables alone. Variability in scores on the Hayling Test was best accounted for by participant education. Conclusion: In this sample of elderly subjects, cognitive flexibility was sufficiently preserved to allow for adequate performance on verbal tasks, but may have benefitted from the additional stimulation provided by regular reading and writing habits and by formal education in the performance of more complex non-verbal tasks. PMID- 29213899 TI - Factors associated with quality of life in elderly undertaking literacy programs. AB - : Increased life expectancy has led to a significant number of elderly enrolling on Youth and Adult Education programs (YAE). These individuals leave inactivity and negative aspects of aging in search of opportunities for social inclusion. Objective: To evaluate the influence of sociodemographic factors and depressive and cognitive symptoms on quality of life (QL) of elderly attending the YAE of Sao Carlos city in Sao Paulo state. Methods: A descriptive and quantitative study approved by the Research Ethics Committee of Sao Carlos Federal University was conducted. The sample comprised all elderly undertaking the YAE literacy program in 2012. The instruments used were the Mini-Mental State Examination (MMSE), Geriatric Depression Scale (GDS), WHOQOL-bref and WHOQOL-old, and a sociodemographic instrument. Results: We interviewed 23 elderly, predominantly females (91.3%) in the early stages of old age (69.6%). The number of years of YAE study showed no correlation with cognition scores obtained on the MMSE or with QL domains. However, scores on the GDS had a moderate inverse relationship with total scores for the Physical (p<0.01), Sensory Functioning (p<0.05), Independence (p<0.01), Past, Present and Future Activities (p<0.05), Social Participation (p<0.01), and Intimacy (p<0.05) QV domains, and a strong inversely proportional relationship with the Social Relationships QV domain (p<0.01). Scores attained on the MMSE showed a moderate and direct relationship with total scores on the Independence QL domain (p=0.001). Conclusion: Elderly on literacy programs have average quality of life scores. Several QL domains are influenced by depression and cognitive symptoms. PMID- 29213901 TI - Effect of successful aging on mortality in older individuals: The PALA study. AB - : The definition of successful aging and identification of predictors have been extensively reviewed, less attention however, has been given to the role of this condition on mortality. Objective: To evaluate the effect of aging status (normal or successful) on mortality in a South Brazilian population-based cohort, adjusted for sociodemographic and clinical variables, and to report the mortality rate and causes of death in this population. Methods: The baseline sample comprised 345 community-dwelling, independent and healthy Southern Brazilian older individuals who were followed for 12 years. Clinical, socio-demographic, functional and cognitive variables were assessed at baseline and during the follow-up. At baseline, 214 participants fulfilled criteria for successful aging, and 131 for normal aging. The main outcome was death. Results: The Cox regression model showed an increased risk for mortality in subjects with normal aging (HR=1.9; p=0.003) adjusted by age (HR=1.1; p<0.001) and by sex (HR=1.9; p=0.002). The overall mortality rate was 41% and the rate was significantly lower among successful than normal agers (p=0.001). The main causes of death were cardiovascular disease and cancer. Conclusion: Our main finding was an increased risk of mortality among normal in comparison with successful aging subjects, emphasizing the impact of the heterogeneity of the healthy aging process on mortality. PMID- 29213900 TI - Visuospatial processing: A review from basic to current concepts. AB - Introduction: Visuospatial processing is a fundamental aspect in human cognition, belonging to a complex and intricate network. It is, in other words, one of the building blocks of an individual's identity and behavior. Objective: To allow an overall and updated review of visuospatial processing and its related events, in light of new techniques and evidence, focusing on basic concepts of higher cortical functions, its pathways and associated systems. Methods: The study was conducted based on the national and international databases LILACS, MEDLINE, ScieLo and Pubmed; using the search word "visuospatial" in combination with "pathway", "processing", "function", "fMRI" and "attention". Results: A total of 77 references deemed relevant for its historical, conceptual or updated relevance were selected out of 1222 retrieved; including English, Spanish and Portuguese languages. A critical review was carried out and many new aspects discussed. Conclusion: A new functioning and construction of sight processing is being shaped, culminating now in a model based on dynamic and integrated interactions between pathways and systems. PMID- 29213902 TI - Longitudinal effects of physical activity on self-efficacy and cognitive processing of active and sedentary elderly women. AB - : Previous studies support that regular physical activity in aging contributes as a protective factor against cognitive decline and improves mood states. However, there is a lack of longitudinal studies in this area. Objective: To observe possible changes in cognition related with physical activity. Methods: This study reassessed, after one-year period, 31 elderly women divided into two groups, sedentary versus active, using behavioral scales and cognitive tests. Results: The active group exhibited significantly enhanced performance in general cognitive function, particularly on tasks of episodic memory and praxis, and also on the mood states scale compared to the sedentary group. The active women also reported higher self-efficacy. Conclusion: Long-term physical activity promoted improvement on quality of life in the elderly women. PMID- 29213903 TI - Language assessment and treatment in the last decade. PMID- 29213904 TI - Evolution of language assessment in patients with acquired neurological disorders in Brazil. AB - The objective of this paper was to describe the evolution of language assessments in patients with acquired neurological diseases over a period of around 45 years from 1970, when interdisciplinarity in Neuropsychology first began in Brazil, to the present day. The first twenty years of data was based on memories of Speech Pathology University Professors who were in charge of teaching aphasia. We then show the contributions of Linguistics, Cognitive Psychology, as well as Psycholinguistic and Psychometric criteria, to language evaluation. Finally, the current panorama of adaptations and creations of validated and standardized instruments is given, based on a search of the databases Pubmed, Scopus and Lilacs. Our closing remarks highlight the diversity in evaluation approaches and the recent tendency of language evaluations linked to new technologies such as brain imaging and computational analysis. PMID- 29213906 TI - Semantic memory for actions as assessed by the Kissing and Dancing Test: Education and age effects in cognitively healthy individuals. AB - : Action semantics is a relevant part of cognitive-linguistic assessment and the "Kissing and Dancing Test" (KDT) has been used extensively for this purpose, evidencing clinical distinctions among brain-damaged patients. To enhance its use, reference values are necessary, especially for populations with heterogeneous educational levels and socioeconomic backgrounds. Objective: To analyze the effects of schooling and age on the KDT in cognitively unimpaired individuals. Methods: The KDT was applied to seventy-four healthy subjects. Sociodemographic factors were investigated through correlational and between group analyses. Reference values according to age and schooling were provided. Results: KDT performance correlated significantly with schooling (r=0.757, p<0.01), age (r=-0.496, p<0.01) and socioeconomic status (r=0.418 p<0.01) but these variables were intercorrelated. Correlation with schooling and age remained significant when controlling for age and socioeconomic status (r=0.530, p<0.01), and for schooling (-0.305,<0.01), respectively. When controlling for schooling, correlation between socioeconomic status and KDT was not significant (p=0.164). Between-group analyses revealed no age effects. Significant differences were found in performance according to educational level. Scores below 39/52 and below 47/52 (percentile 25) for individuals with 8 or less years of schooling and for individuals with 9 or more years of schooling, respectively, seem suggestive of an impairment in Action Semantics Processing and shall be further investigated. Conclusion: KDT performance was influenced both by age and schooling, indicating the need to consider these demographic features as covariates when analyzing performance on the test and to adjust cut-off scores according to these demographic characteristics in clinical practice. PMID- 29213905 TI - Transcranial brain stimulation (TMS and tDCS) for post-stroke aphasia rehabilitation: Controversies. AB - Transcranial brain stimulation (TS) techniques have been investigated for use in the rehabilitation of post-stroke aphasia. According to previous reports, functional recovery by the left hemisphere improves recovery from aphasia, when compared with right hemisphere participation. TS has been applied to stimulate the activity of the left hemisphere or to inhibit homotopic areas in the right hemisphere. Various factors can interfere with the brain's response to TS, including the size and location of the lesion, the time elapsed since the causal event, and individual differences in the hemispheric language dominance pattern. The following questions are discussed in the present article: [a] Is inhibition of the right hemisphere truly beneficial?;[b] Is the transference of the language network to the left hemisphere truly desirable in all patients?;[c] Is the use of TS during the post-stroke subacute phase truly appropriate? Different patterns of neuroplasticity must occur in post-stroke aphasia. PMID- 29213907 TI - Cross-cultural adaptation process of the "Conversation Analysis Profile for People with Aphasia" to the Portuguese language. AB - : The Conversation Analysis Profile for People with Aphasia (CAPPA) provides specific information about strengths and weaknesses of the communication between people with aphasia and their family caregiver within a conversational context. Objective: The aim of this paper was to present the results of the first stages of cross-cultural adaptation of the CAPPA for the European Portuguese language. Methods: This methodology study describes the translation and back-translation processes, following the recommended steps to that end. In addition, following the consent of one of the original authors, the process of content validation of the CAPPA commenced. The instrument was submitted for assessment before a panel of experts in the area, who constituted the population of this study. Results: After the translation and back-translation processes, a panel of experts was convened to adapt the Delphi technique. Some questions were excluded on the basis of ambiguity, relevance and potential repetition. Suggestions made by the expert panel were included in a revised version of the tool. 159 items obtained a 100% consensus in relevance, and 157 items were considered suitable by the expert panel, validating the content of the instrument. Conclusion: The final version will now be applied to the target population in order to carry out the psychometric validation. PMID- 29213908 TI - Automatic classification of written descriptions by healthy adults: An overview of the application of natural language processing and machine learning techniques to clinical discourse analysis. AB - : Discourse production is an important aspect in the evaluation of brain-injured individuals. We believe that studies comparing the performance of brain-injured subjects with that of healthy controls must use groups with compatible education. A pioneering application of machine learning methods using Brazilian Portuguese for clinical purposes is described, highlighting education as an important variable in the Brazilian scenario. Objective: The aims were to describe how to:(i) develop machine learning classifiers using features generated by natural language processing tools to distinguish descriptions produced by healthy individuals into classes based on their years of education; and(ii) automatically identify the features that best distinguish the groups. Methods: The approach proposed here extracts linguistic features automatically from the written descriptions with the aid of two Natural Language Processing tools: Coh-Metrix Port and AIC. It also includes nine task-specific features (three new ones, two extracted manually, besides description time; type of scene described - simple or complex; presentation order - which type of picture was described first; and age). In this study, the descriptions by 144 of the subjects studied in Toledo18 were used,which included 200 healthy Brazilians of both genders. Results and Conclusion: A Support Vector Machine (SVM) with a radial basis function (RBF) kernel is the most recommended approach for the binary classification of our data, classifying three of the four initial classes. CfsSubsetEval (CFS) is a strong candidate to replace manual feature selection methods. PMID- 29213909 TI - Acquired dysgraphia in adults following right or left-hemisphere stroke. AB - Objective: This study aimed to assess the strengths and difficulties in word and pseudoword writing in adults with left- and right-hemisphere strokes, and discuss the profiles of acquired dysgraphia in these individuals. Methods: The profiles of six adults with acquired dysgraphia in left- or right-hemisphere strokes were investigated by comparing their performance on word and pseudoword writing tasks against that of neurologically healthy adults. A case series analysis was performed on the patients whose impairments on the task were indicative of acquired dysgraphia. Results: Two patients were diagnosed with lexical dysgraphia (one with left hemisphere damage, and the other with right hemisphere damage), one with phonological dysgraphia, another patient with peripheral dysgraphia, one patient with mixed dysgraphia and the last with dysgraphia due to damage to the graphemic buffer. The latter patients all had left-hemisphere damage (LHD). The patterns of impairment observed in each patient were discussed based on the dual route model of writing. Conclusion: The fact that most patients had LHD rather than right-hemisphere damage (RHD) highlights the importance of the former structure for word processing. However, the fact that lexical dysgraphia was also diagnosed in a patient with RHD suggests that these individuals may develop writing impairments due to damage to the lexical route, leading to heavier reliance on phonological processing. Our results are of significant importance to the planning of writing interventions in neuropsychology. PMID- 29213910 TI - Inferential abilities based on pictorial stimuli in patients with right hemisphere damage: influence of schooling. AB - : Inferences are mental representations, formed through the interaction between explicit linguistic information and an individual's world knowledge. It is well known that individuals with brain damage in the right hemisphere (RH) often fail on this task and that schooling may be a variable affecting this. Objective: To compare the effect of schooling on an inference comprehension task based on pictorial stimuli in patients with RH lesion. Methods: The inferential abilities of 75 controls and 50 patients with RH lesion were assessed through the pictorial stimuli from the instrument "300 exercises of comprehension of logical and pragmatic inferences and causal chains". Both groups were stratified into two subgroups according to schooling level: 4 to 8 years and 9 or more years. Results and Conclusion: Highly educated subjects performed better than low educated individuals, both on intergroup and intragroup comparisons (p<0.0001) for logical and pragmatic inference ability. PMID- 29213911 TI - Age of acquisition and naming performance in Frisian-Dutch bilingual speakers with dementia. AB - : Age of acquisition (AoA) of words is a recognised variable affecting language processing in speakers with and without language disorders. For bi- and multilingual speakers their languages can be differentially affected in neurological illness. Study of language loss in bilingual speakers with dementia has been relatively neglected. Objective: We investigated whether AoA of words was associated with level of naming impairment in bilingual speakers with probable Alzheimer's dementia within and across their languages. Methods: Twenty six Frisian-Dutch bilinguals with mild to moderate dementia named 90 pictures in each language, employing items with rated AoA and other word variable measures matched across languages. Quantitative (totals correct) and qualitative (error types and (in)appropriate switching) aspects were measured. Results: Impaired retrieval occurred in Frisian (Language 1) and Dutch (Language 2), with a significant effect of AoA on naming in both languages. Earlier acquired words were better preserved and retrieved. Performance was identical across languages, but better in Dutch when controlling for covariates. However, participants demonstrated more inappropriate code switching within the Frisian test setting. On qualitative analysis, no differences in overall error distribution were found between languages for early or late acquired words. There existed a significantly higher percentage of semantically than visually-related errors. Conclusion: These findings have implications for understanding problems in lexical retrieval among bilingual individuals with dementia and its relation to decline in other cognitive functions which may play a role in inappropriate code switching. We discuss the findings in the light of the close relationship between Frisian and Dutch and the pattern of usage across the life-span. PMID- 29213912 TI - Analysis of word number and content in discourse of patients with mild to moderate Alzheimer's disease. AB - : Alzheimer's disease (AD) is characterized by impairments in memory and other cognitive functions such as language, which can be affected in all aspects including discourse. A picture description task is considered an effective way of obtaining a discourse sample whose key feature is the ability to retrieve appropriate lexical items. There is no consensus on findings showing that performance in content processing of spoken discourse deteriorates from the mildest phase of AD. Objective: To compare the quantity and quality of discourse among patients with mild to moderate AD and controls. Methods: A cross-sectional study was designed. Subjects aged 50 years and older of both sexes, with one year or more of education, were divided into three groups: control (CG), mild AD (ADG1) and moderate AD (ADG2). Participants were asked to describe the "cookie theft" picture. The total number of complete words spoken and information units (IU) were included in the analysis. Results: There was no significant difference among groups in terms of age, schooling and sex. For number of words spoken, the CG performed significantly better than both the ADG 1 and ADG2, but no difference between the two latter groups was found. CG produced almost twice as many information units as the ADG1 and more than double that of the ADG2. Moreover, ADG2 patients had worse performance on IUs compared to the ADG1. Conclusion: Decreased performance in quantity and content of discourse was evident in patients with AD from the mildest phase, but only content (IU) continued to worsen with disease progression. PMID- 29213913 TI - Rehabilitation of lexical and semantic communicative impairments: An overview of available approaches. AB - : Lexical-semantic impairments are common consequences of acquired neurological damage. However, little is known about the benefits of existing treatment methods for this type of language impairment. Objective: To evaluate current research into lexical-semantic interventions for adults with dementia, TBI or stroke. Methods: The PubMed, PsycInfo and SCOPUS databases were searched for studies related to rehabilitation, neurological conditions, communicative and lexical semantic skills published between 2004 and 2014. Results: Twenty-eight of the 453 abstracts found were selected for the review based on the PRISMA method. Most of the studies described treatments for anomia. Semantic tasks were the most commonly used, followed by phonological and gestural strategies. Interventions were individual and involved formal tasks, although the number, frequency and duration of sessions varied between studies. Conclusion: Although lexical semantic interventions lead to improvements in language abilities, they are still poorly described in the literature, and must be further investigated in terms of their efficacy, effectiveness and long-term effects. PMID- 29213914 TI - Discourse intervention strategies in Alzheimer's disease: Eye-tracking and the effect of visual cues in conversation. AB - Objective: The goal of this study was to investigate whether on-topic visual cues can serve as aids for the maintenance of discourse coherence and informativeness in autobiographical narratives of persons with Alzheimer's disease (AD). Methods: The experiment consisted of three randomized conversation conditions: one without prompts, showing a blank computer screen; an on-topic condition, showing a picture and a sentence about the conversation; and an off-topic condition, showing a picture and a sentence which were unrelated to the conversation. Speech was recorded while visual attention was examined using eye tracking to measure how long participants looked at cues and the face of the listener. Results: Results suggest that interventions using visual cues in the form of images and written information are useful to improve discourse informativeness in AD. Conclusion: This study demonstrated the potential of using images and short written messages as means of compensating for the cognitive deficits which underlie uninformative discourse in AD. Future studies should further investigate the efficacy of language interventions based in the use of these compensation strategies for AD patients and their family members and friends. PMID- 29213915 TI - Interdisciplinary Therapy for patients with dementia. AB - : Patients with dementia require rehabilitation involving several health professionals, where interdisciplinary care can further enhance the routine of patients and their families. Objective: To compare the functional performance of elderly with dementia before and after an interdisciplinary intervention program provided by a healthcare service of medium complexity. Methods: Three cases with clinically-confirmed dementia enrolled on an interdisciplinary rehabilitation program were reported. The following instruments were applied: Mini Mental-State Exam, Clinical Dementia Rating, Geriatric Depression Scale, Lawton & Brody Index, and the Functional Independence Measure for adults (FIM). The therapeutic strategies were individualized and designed based on patient performance on the FIM, according to the criteria of the Classification of Functionality, Disability and Health, implemented at the house of therapy of the Center for Integrated Rehabilitation together with provision of guidance. Results: A reduction in functional dependence was observed after intervention, evidenced by less supervision needed to carry out Activities of Daily Living. Conclusion: The three patients benefited from the interdisciplinary intervention. PMID- 29213916 TI - Brief intervention for agrammatism in Primary Progressive Nonfluent Aphasia: A case report. AB - The non-fluent and agrammatic variant of Primary Progressive Aphasia (NFPPA) is characterized by reduced verbal production with deficits in building grammatically correct sentences, involving dysfunctions in syntactic and morphological levels of language. There are a growing number of studies about non pharmacological alternatives focusing on the rehabilitation of functional aspects or specific cognitive impairments of each variant of PPA. This study reports a short-term treatment administered to a patient with NFPPA focusing on the production of sentences. The patient had significant reduction in verbal fluency, use of keywords, phrasal and grammatical simplifying as well as anomia. Using the method of errorless learning, six sessions were structured to stimulate the formation of sentences in the present and past with the cloze technique. The patient had improvement restricted to the strategy, with 100% accuracy on the trained phrases and generalization to untrained similar syntactic structure after training. These results persisted one month after the treatment. PMID- 29213917 TI - Sentence production in rehabilitation of agrammatism: A case study. AB - Agrammatism is characterized by morphosyntactic deficits in production of sentences. Studies dealing with the treatment of these deficits are scarce and their results controversial. The present study describes the rehabilitation of a case diagnosed as chronic Broca's aphasia, with agrammatism, using a method directed to sentence structural deficits. The method aims to expand the grammatical repertoire by training production of sentences with support from contexts that stimulate actions and dialogues. The patient showed positive results on all types of sentences trained and generalized the gains to spontaneous speech. However, these benefits were not sustained in the long term. PMID- 29213919 TI - It is time to focus on an underestimated epidemic. PMID- 29213918 TI - Logopenic aphasia or Alzheimer's disease: Different phases of the same disease? AB - The logopenic variant of Primary Progressive Aphasia, or logopenic aphasia, is a the most recently described variant of Primary Progressive Aphasia and also the least well defined. This variant can present clinical findings that are also common to Alzheimer's disease, given they both share the same cytopathologic findings. This article reports the clinical case of a patient for whom it proved difficult to define a clinical diagnosis, being split between the logopenic variant and Alzheimer's disease at different phases of the disease. Using this case as an example and drawing on the latest evidence from the literature on the logopenic variant, we postulate the hypothesis that this variant may present as an initial symptom of Alzheimer's disease in some atypical cases. PMID- 29213920 TI - An update on aging and dementia in Chile. AB - Chile is in an advanced demographic transition stage with the population over 60 years of age representing 15% of the total population and whose number of elderly has more than doubled between 1990 and 2014. Rapid economic advancement has promoted significant changes in social organization to which the country is not accustomed. The mental health problems of the elderly are particularly challenging to the country's present social and health structures. The prevalence of dementia in people over 60 years exceeds 8% and is even higher in the rural population. There is more training on dementia in the local medical and scientific community, increased awareness within the civilian community but insufficient responsiveness from the state to the broad diagnostic and therapeutic requirements of patients and caregivers. The objective of the present study was to provide an update of the information on dementia in the context of the ageing process in Chile. PMID- 29213921 TI - Prevalence of dementia in Colombian populations. AB - With the gradual increase in the life expectancy of the population due to scientific progress and public health at the service of society, the prevalence of dementia has been increasing at different rates worldwide. Currently, the prevalence rates range between 5% and 7% (6.4% in the U.S. and up to 8.5 % in Latin America) in subjects older than 60 years. The lowest prevalence rate (2.1%) has been reported from sub-Saharan Africa, probably due to selective mortality under 60 years of age. By contrast, a very high prevalence of dementia (23.6% dementia in individuals >60 years) was observed in the city of Neiva, Southern Colombia. We believe that this high rate could be explained by the presence of several risk factors such as very low schooling, low socio-economic strata, chronic diseases, the inclusion of geriatric homes among others, and additional unknown factors. PMID- 29213922 TI - Trinidad and Tobago: A decade of dementia research. AB - In 2003, academic staff members at The University of the West Indies Faculty of Medical Sciences St Augustine Trinidad and Tobago combined their expertise to make strides in Alzheimer's and Dementia research in Trinidad and Tobago. Dr. Nelleen Baboolal, Dr. Gershwin Davis and Professor Amanda McRae began developing a project that has produced significant results by examining not only the epidemiology of dementia, but the associated risk factors; caregiver burden and ultimately establishing biomarkers for the disease. This review is an account of our results from a decade of dementia research and how they are contributing toward mitigating the dementia tsunami in Trinidad and Tobago. PMID- 29213923 TI - A population-based study of cognitive impairment in socially vulnerable adults in Argentina. The Matanza Riachuelo study preliminary results. AB - : Population aging has taken place intensively worldwide, even in developing countries. These countries have population groups with low resources and basic unmet needs that are frequently omitted from epidemiological studies. Objective: The purpose of this study was to determine the prevalence of cognitive impairment (CI) and dementia in an economic and socially vulnerable population from Argentina. Methods: A door-to-door observational population-based survey among adults over 60 years of cognitive impairment and dementia in the social vulnerable area of the Matanza Riachuelo Basin, in the suburban area of Buenos Aires, Argentina was conducted. Trained psychologists interviewed subjects and a proxy informant. A standardized protocol including a socio-demographic questionnaire, the Mini-Mental State Examination, the Geriatric Depression Scale and a functional inventory for IADL and ADL was administered. Diagnoses were divided into three general categories: normal cognitive function, cognitive impairment-no dementia (CIND) and dementia. Results and Conclusions: A total of 2437 elderly persons were assessed, of which 73.6% fulfilled inclusion criteria. The prevalence of CI among those over 60 was 26.4% (18.1% CIND and 8.3% dementia) with higher prevalence of dementia in younger individuals than rates reported in developed counties, probably due to low control of vascular risk factors. This information can help inform health public decisions in the generation of programs and plans for the prevention, diagnosis and treatment of cognitive impairment in this type of socially vulnerable population. PMID- 29213924 TI - Cognitive impairment in individuals with low educational level and homogeneous sociocultural background. AB - : Prevalence studies of dementia and cognitive impairment in different cultures and environments are necessary. Objective: To verify the prevalence of cognitive impairment and dementia in a rural homogeneous population from flooded areas in the Amazonian Basin. Methods: A total of 163 subjects were interviewed with neurological, cognitive and functional evaluation. The individuals were classified as demented or cognitive impairment no dementia (CIND). Results: cognitive impairment was observed in 11.4% (n=18 individuals). Ten out of the 18 were diagnosed as CIND and eight with dementia. The prevalence rate of dementia was 4.9% in subjects aged 50 years or over and of CIND was 6.1%. Considering only the elder group (>64 years of age), there was a 12.3% prevalence of dementia and 7.7% of CIND. Conclusion: In a homogeneous population, we observed a similar prevalence of dementia to rates reported by studies in Brazil and in other developed and developing countries. PMID- 29213925 TI - The Leganes cognitive test correlates poorly with MRI evidence of global cortical atrophy in an underserved community: A population-based and nested case-control study in rural Ecuador (The Atahualpa Project). AB - Objective: We aimed to evaluate whether the Leganes cognitive test (LCT) correlates with global cortical atrophy (GCA) and can be used as a surrogate for structural brain damage. Methods: Atahualpa residents aged > 60 years identified during a door-to-door survey underwent MRI for grading GCA. Using multivariate generalized linear models, we evaluated whether continuous LCT scores correlated with GCA, after adjusting for demographics, education, cardiovascular health (CVH) status, depression and edentulism. In a nested case-control study, GCA severity was assessed in subjects with LCT scores below the cutoff level for dementia (< 22 points) and in matched controls without dementia. Results: Out of 311 eligible subjects, 241 (78%) were enrolled. Mean age was 69.2+/-7.5 years, 59% were women, 83% had primary school education, 73% had poor CVH status, 12% had symptoms of depression and 43% had edentulism. Average LCT score was 26.7+/ 3, and 23 (9.5%) subjects scored < 22 points. GCA was mild in 108, moderate in 95, and severe in 26 individuals. On the multivariate model, mean LCT score was not associated with GCA severity (beta=0.06, SE=0.34, p=0.853). Severe GCA was noted in 6 / 23 case-patients and in 8 / 23 controls (OR: 0.67, 95% CI: 0.14 2.81, p=0.752, McNemar's test). Conclusion: The LCT does not correlate with severity of GCA after adjusting for potential confounding variables, and should not be used as a reliable estimate of structural brain damage. PMID- 29213926 TI - Incidence of dementia and association with APOE genotype in older Cubans. AB - Objective: In an admixed population of older Cubans, the incidence and association of APOE and sociodemographic risk factors with dementia incidence was estimated. Methods: A single-phase survey (baseline) of all over 65-year-olds residing in seven catchment areas in Cuba (n=2944) was conducted between 2003 and 2007. Dementia diagnosis was established according to DSM-IV and 10/66 criteria. APOE genotype was determined in 2520 participants. An incidence wave was conducted 4.5 years after cohort inception in order to estimate incidence and associations with sociodemographic risk factors of the APOE epsilon4 genotype. Results: The incidence rate of DSM IV dementia was 9.0 per 1000 person-years (95% CI 7.2-11.3) and of 10/66 dementia was 20.5 per 1000 person-years (95% CI, 17.6 23.5). Older age, a family history of dementia and APOE epsilon4 genotype were independent risk factors for incident 10/66 dementia. APOE genotype was associated cross-sectionally with dementia prevalence, but the effect on the incidence of dementia was attenuated, and only apparent among those in the youngest age group. Conclusion: The incidence of dementia in the older Cuban population is relatively high and similar to levels reported in Europe and North America. The study showed that the relationship between APOE epsilon4 and incident dementia is stronger in the younger-old than the older-old and that this change must be taken into account in models of dementia. PMID- 29213927 TI - Cognitive impairment and risk factor prevalence in a population over 60 in Argentina. AB - : Epidemiological data on dementia and cognitive impairment are scarce in South America. In Argentina, no dementia/cognitive impairment population-based epidemiological studies are available. The Ceibo Study is a population-based epidemiological study of dementia and cognitive impairment in individuals over 60 to be conducted. The present paper reports the results of the pilot phase (survey of cognitive impairment) conducted in Canuelas (province of Buenos Aires). Methods: In a door-to-door survey, trained high school students evaluated 1453 individuals aged 60 years and over in one day using a demographic data and risk factors questionnaire, the Mini-Mental State Examination (MMSE) and the 15-item Geriatric Depression Scale (GDS). Results: Mean age of the individuals was 70.9 (+/-7.5) years, 61.4% were women, mean schooling was 5.5 (+/-3.5) years. Mean MMSE score was 24.5 (+/-4.7) and mean GDS 3.1 (+/-2.7). Risk factors of higher prevalence in the population under study were: hypertension (40.6%), smoking (35.1%), alcohol consumption (32.8%), high cholesterol (16.1%), diabetes (12.5%), cranial trauma with loss of consciousness (12.5%), 7 points or more on the GDS (11.7%). Prevalence of cognitive impairment for the whole sample was 23%, and 16.9% in subjects aged 60-69, 23.3% in 70-79 and 42.5% in subjects aged 80 or over . A significant correlation of cognitive impairment with age, functional illiteracy, cranial trauma, high blood pressure, inactivity and depression was found. Conclusion: In this pilot study, the prevalence of cognitive impairment was comparable with previous international studies. PMID- 29213928 TI - Memory clinic experience under a social security health system in Costa Rica. AB - : Dementia and mild cognitive impairment (MCI) are an increasingly prevalent clinical entity in our field, showing an increasing incidence with age. Objective: The purpose of this study was to identify the main types of dementia and MCI treated in a memory disorders unit in Costa Rica. Methods: A consecutive and standardized register of patients diagnosed with dementia and MCI at the memory disorders unit of the National Geriatrics and Gerontology Hospital (NGGH) was analyzed. Results: Dementia was diagnosed in 63.5% of the 3572 cases, whereas 10.6% met criteria for MCI. The most frequent type of dementia was Alzheimer's disease (47.1%), followed by vascular pathology (28.9%), mixed forms (17.2%) and other types (6.8%). In MCI, 69.5% were of amnestic multiple domain type and 14.3% were non-amnestic multiple domain, while 41.3% were of vascular and 35.8% of neurodegenerative etiology. Mean age was 79.6+/-6.7 years and 64.7% were women in dementia cases whereas mean age was 76.4+/-6.9 years and 62.1% were women in MCI. Mean years of schooling was 4.95+/-4.09 years and 6.87+/-4.71, while mean time between onset of symptoms and clinical diagnosis was 3.2+/-2.6 years and 2.67+/ 2.69 years, in dementia and MCI, respectively. Conclusion: The determination of the main types of dementia and MCI in Costa Rica and their main features has allowed the registration of comprehensive, hitherto unavailable information that will be useful for the management and strategic planning of public health care. PMID- 29213929 TI - Informal caregiver burden in middle-income countries: Results from Memory Centers in Lima - Peru. AB - Objective: The aim of this study was to evaluate caregiver burden based on Zarit Burden Interview (ZBI) and depression in caregivers on the Beck Depression Inventory-II (BDI-II). Methods: Literate individuals, 18 years or older, who spoke Spanish as their native language were included. Demographic characteristics: Age, sex, education, relationship to person with dementia, length of time caregiving, other sources of help for caring, impact on the household economy, family support, and perception of impaired health; and Clinical data on care-recipients: type of dementia, time since diagnosis, treatment, and Global Deterioration Scale (GDS); the ZBI and BDI-II. Descriptive and analytical statistics were employed to assess caregiver burden and predictors of higher burden in caregivers. Results: A total of 92 informal caregivers were evaluated. Regarding care-recipients, 75% were 69 years old or over, 75% had at least one year since diagnosis, 73.9% had Alzheimer's disease, 84.8% received treatment, 75% scored 5 or over on the GDS. For caregivers, 75% were 55.5 years old or over, predominantly female (81.5%), married (83.7%), the spouse of care recipients (60.87%), had at least 10 years of education (75.0%) and one year of caregiving (75%), reduced entertainment time (90.2%) and self-perception of impaired health (83.7%). Median score on the ZBI was 37.5 (minimum value = 3; and maximum value = 74). The coefficient of BDI was 1.38 (p-value <0.001). Conclusion: This sample of Peruvian informal caregivers showed elevated ZBI values. Self-perception of worsened health, repercussion on the family economy and time caregiving were the main determinants of ZBI, although only BDI was a consistent predictor of ZBI. PMID- 29213930 TI - Burden, anxiety and depression in caregivers of Alzheimer patients in the Dominican Republic. AB - : Alzheimer's disease (AD) has a major impact by limiting the ability to live independently. This condition of dependency involves all members of the family, particularly those who take direct care of patients. The changes that take place in caregivers' lives may alter their health and have an effect on the care of the sick. Objective: To determine the presence of burden, anxiety and depression in caregivers of Alzheimer's patients. Method: A descriptive cross-sectional study was performed in 67 family caregivers from the Alzheimer's Clinic Research Unit, Memory and Alzheimer, in the city of Santiago, Dominican Republic. Caregivers were evaluated for burden intensity with the Zarit scale and for both depression and anxiety using the respective Hamilton scales. Descriptive statistical analysis and Pearson correlation were used. Results: 84% of caregivers were female, and 52% were older than 50 years. A total of 36% exhibited caregiver burden; 19% anxiety symptoms; and 43% depressive symptoms. No statistical significance was found between age, sex and number of hours of care. A significant association was found in the Pearson correlation coefficient between caregiver burden, anxiety and depression. Conclusion: Caregiver burden was associated with anxiety and depression. It is important for health professionals to include caregiver assessments in the treatment protocols of dementia. Policy should include support programs for carers. PMID- 29213931 TI - Performance of the Visual Analogue Scale of Happiness and of the Cornell Scale for Depression in Dementia in the Tremembe Epidemiological Study, Brazil. AB - : Depression is a major growing public health problem. Many population studies have found a significant relationship between depression and the presence of cognitive disorders. Objective: To establish the correlation between the Visual Analogue Scale of Happiness and the Cornell Scale for Depression in Dementia in the population aged 60 years or over in the city of Tremembe, state of Sao Paulo, Brazil. Methods: An epidemiological survey involving home visits was carried out in the city of Tremembe. The sample was randomly selected by drawing 20% of the population aged 60 years or older from each of the city's census sectors. In this single-phase study, the assessment included clinical history, physical and neurological examination, cognitive evaluation, and application of both the Cornell Scale and the Analogue Scale of Happiness for psychiatric symptoms. The presence of depressive symptoms was defined as scores greater than or equal to 8 points on the Cornell Scale. Results: A total of 623 subjects were evaluated and of these 251 (40.3%) had clinically significant depressive symptoms on the Cornell Scale, with a significant association with female gender (p<0.001) and with lower education (p=0.012). One hundred and thirty-six participants (21.8%) chose the unhappiness faces, with a significant association with age (p<0.001), female gender (p=0.020) and low socioeconomic status (p=0.012). Although there was a statistically significant association on the correlation test, the correlation was not high (rho=0.47). Conclusion: The prevalence of depressive symptoms was high in this sample and the Visual Analogue Scale of Happiness and Cornell Scale for Depression in Dementia should not be used as similar alternatives for evaluating the presence of depressive symptoms, at least in populations with low educational level. PMID- 29213934 TI - In the March 2015 issue. PMID- 29213932 TI - Brazilian research on cognitive impairment and dementia from 1999 to 2013. AB - : The phenomenon of demographic transition in recent decades has increased the number of elderly people in Brazil, promoting an escalation in chronic degenerative conditions, particularly dementia and cognitive related disorders. Objective: The aim of this study was to assess the evolution of the Brazilian scientific publications on dementia and related conditions from 1999 to 2013. Methods: Articles published during the analysis period were searched on three electronic databases: Scopus, Medline (via PubMed) and Lilacs (via BVS). The keywords used were Alzheimer's disease, dementia and mild cognitive impairment, with Brazil as the country of affiliation. Results: A total of 1,657 articles met the conditions for inclusion in the study. The output of Brazilian researchers in the area of cognitive disorders increased 11.38-fold in the fifteen-year period of analysis and 4.98-fold from 2003 to 2013. More than half of the articles (53%) were published in international journals. The majority of institutions involved in publications were public universities while 19% were collaborative studies involving Brazilian and international institutions. Conclusion: Despite marked growth, the number of Brazilian scientific publications in the area of cognitive impairment and dementia is still low. More effort is required to improve the output of Brazilian researchers and institutions. Possible strategies to accomplish this increase could be to encourage residents to participate in publications of scientific papers during their residence program and to increase the collaborations between different institutions within Brazil and with the international scientific community. PMID- 29213935 TI - Argyrophilic grain disease: An underestimated tauopathy. AB - Argyrophilic grain disease (AGD) is an under-recognized, distinct, highly frequent sporadic tauopathy, with a prevalence reaching 31.3% in centenarians. The most common AGD manifestation is slowly progressive amnestic mild cognitive impairment, accompanied by a high prevalence of neuropsychiatric symptoms. AGD diagnosis can only be achieved postmortem based on the finding of its three main pathologic features: argyrophilic grains, oligodendrocytic coiled bodies and neuronal pretangles. AGD is frequently seen together with Alzheimer's disease type pathology or in association with other neurodegenerative diseases. Recent studies suggest that AGD may be a defense mechanism against the spread of other neuropathological entities, particularly Alzheimer's disease. This review aims to provide an in-depth overview of the current understanding on AGD. PMID- 29213936 TI - Obstructive sleep apnea and neurodegenerative diseases: A bidirectional relation. AB - Sleep disorders are common during the clinical course of the main neurodegenerative diseases. Among these disorders, obstructive sleep apnea has been extensively studied in the last decade and recent knowledge regarding its relationship with the neurodegenerative process points a bidirectional relationship. Neurodegenerative diseases can lead to functional changes in the respiratory system that facilitate the emergence of apnea. On the other hand, obstructive sleep apnea itself can lead to acceleration of neuronal death due to intermittent hypoxia. Considering that obstructive sleep apnea is a potentially treatable condition, its early identification and intervention could have a positive impact on the management of patients with neurodegenerative diseases. PMID- 29213937 TI - Synesthesia and music perception. AB - The present review examined the cross-modal association of sensations and their relationship to musical perception. Initially, the study focuses on synesthesia, its definition, incidence, forms, and genetic and developmental factors. The theories of the neural basis of synesthesia were also addressed by comparing theories emphasizing the anatomical aspect against others reinforcing the importance of physiological processes. Secondly, cross-modal sensory associations, their role in perception, and relationship to synesthesia were analyzed. We propose the existence of a lower, unconscious degree of synesthesia in non-synesthetes. This latent synesthesia (without explicit sensory manifestations) would be functional, aiding the construction of abstract associations between different perceptual fields. Musical meaning might be constructed largely by synesthetic processes, where the sensory associations from sound activate memories, images, and emotions. PMID- 29213938 TI - The effect of deep brain stimulation on motor and cognitive symptoms of Parkinson's disease: A literature review. AB - : Deep brain stimulator (DBS) implant surgery is considered a breakthrough in the treatment of Parkinson's disease, especially in cases where motor symptoms cannot be controlled through conventional drug treatment. Its benefits have been studied extensively in the literature, particularly in relation to motor symptoms. However, the disease's cognitive aspects have been studied to a lesser extent. Objective: This systematic review aims to assess the effects of DBS surgery on motor and cognitive symptoms in patients with Parkinson's disease. Methods: The search strategy included MEDLINE, LILACs, SCIELO and the Cochrane Library. Randomized clinical trials with DBS surgical intervention and Parkinson's disease were included. Of the 178 studies identified, 19 met the eligibility criteria. These studies were descriptively analyzed as regards to their results. Results: Control of motor symptoms, as assessed by the UPDRS Part III scale, was found in all of the studies, pointing to great interest in this outcome and demonstrating an advantage of DBS over conventional drug treatment. Regarding cognitive aspects, heterogeneity in the choice of subjects studied and the use of different assessment tools for each was evident, hampering comparisons and leading to inconclusive results. Conclusion: This review provides a broad overview of the effects of DBS on Parkinson's disease symptoms. However, it is suggested that future studies be conducted to establish a gold-standard protocol for neuropsychological assessment, thereby enabling data comparison and more consistent conclusions. PMID- 29213939 TI - Cost-of-illness study in a retrospective cohort of patients with dementia in Lima, Peru. AB - : Dementia is a major cause of dependency and disability among older persons, and imposes huge economic burdens. Only a few cost-of-illness studies for dementia have been carried out in middle and low-income countries. Objective: The aim of this study was to analyze costs of dementia in demented patients of a private clinic in Lima, Peru. Methods: We performed a retrospective, cohort, 3-month study by extracting information from medical records of demented patients to assess the use of both healthcare and non-healthcare resources. The total costs of the disease were broken down into direct (medical and social care costs) and indirect costs (informal care costs). Results: In 136 outpatients, we observed that while half of non-demented patients had total care costs of less than US$ 23 over three months, demented patients had costs of US$ 1500 or over (and more than US$ 1860 for frontotemporal dementia). In our study, the monthly cost of a demented patient (US$ 570) was 2.5 times higher than the minimum wage (legal minimum monthly wage in Peru for 2011: US$ 222.22). Conclusion: Dementia constitutes a socioeconomic problem even in developing countries, since patients involve high healthcare and non-healthcare costs, with the costs being especially high for the patient's family. PMID- 29213940 TI - Indirect cost with dementia: A Brazilian study. AB - : Costs with dementia have been the focus of research around the world and indirect costs to the caregiver appear in the literature as responsible for the greatest impact. In Latin American (LA) studies, indirect costs with dementia range from 60% to 75% of family income. Objective: To present preliminary results of the study "Description of the methods and cost analysis with dementia" currently being conducted at the Behavioral and Cognitive Neurology Unit of Hospital de Clinicas of University of Sao Paulo - HC-FMUSP. Methods: A cross sectional study which, to date, includes interviews of 93 primary caregivers. The research protocol includes a sociodemographic questionnaire, the Functional Assessment Staging (FAST) scale, the Burden Interview (Zarit), an economic classification scale, and the Resource Utilization in Dementia (RUD) scale. Results: Monthly indirect costs were US$ 1,122.40, US$ 1,508.90 and US$ 1,644.70 stratified into mild, moderate and severe dementia, respectively. The projected annual indirect costs were US$ 13,468.80, US$ 18,106.80 and US$ 19,736.40, representing 69 to 169% of family income. Conclusion: This small sample showed that the impact of indirect costs with dementia in Brazil may be higher than that reported in other Latin American (LA) studies. These initial results may represent an important contribution for further research on costs with dementia in LA. PMID- 29213941 TI - Subjective memory complaints associated with depression and cognitive impairment in the elderly: A systematic review. AB - : The aging process can be accompanied by a slight decline in cognitive functioning, and subjective memory complaints (SMC) appear to be common in the elderly population. Objective: To determine whether SMC is associated with cognitive loss or depression and can predict dementia. Methods: A systematic review of the literature was conducted. Articles were selected on the following databases, LILACS, SCOPUS, SCiELO, PubMed and Web of Science from August to October 2013. Article selection was based on inclusion and exclusion criteria. Studies published between 2010 and 2013, written in English, Spanish or Portuguese, involving populations 65 years or older, were included. Reviews were excluded. Results: After the selection, a summary of the 20 articles retrieved was carried out. Of the total articles retrieved, fifteen were cross-sectional studies and five were longitudinal studies. Most of the cross-sectional studies associated SMC with depression, objective cognitive impairment and anxiety. The emergence of dementia in people with SMC was evidenced in longitudinal studies. Albeit less frequently, SMC were also associated with reduced quality of life, impairment in Activities of Daily Living (ADL), emergence of neuropsychiatric symptoms, lower hippocampal volume, amygdala volume reduction, increased activation of the left temporal, bilateral thalamus, caudate and posterior cingulate, and with the occurrence of ApoE epsilon4. Conclusion: SMC may be associated with changes in mood and/or cognition, and its occurrence appears to increase the likelihood of dementia. In order to further our understanding of the topic, future studies should consider the recruitment of representative samples with control groups and longitudinal designs. PMID- 29213942 TI - Relationships between episodic memory performance prediction and sociodemographic variables among healthy older adults. AB - : Previous studies have suggested that performance prediction, an aspect of metamemory, may be associated with objective performance on memory tasks. Objective: The objective of the study was to describe memory prediction before performing an episodic memory task, in community-dwelling older adults, stratified by sex, age group and educational level. Additionally, the association between predicted and objective performance on a memory task was investigated. Methods: The study was based on data from 359 participants in the FIBRA study carried out at Ermelino Matarazzo, Sao Paulo. Memory prediction was assessed by posing the question: "If someone showed you a sheet with drawings of 10 pictures to observe for 30 seconds, how many pictures do you think you could remember without seeing the sheet?". Memory performance was assessed by the memorization of 10 black and white pictures from the Brief Cognitive Screening Battery (BCSB). Results: No differences were found between men and women, nor for age group and educational level, in memory performance prediction before carrying out the memory task. There was a modest association (rho=0.11, p=0.041) between memory prediction and performance in immediate memory. On multivariate linear regression analyses, memory performance prediction was moderately significantly associated with immediate memory (p=0.061). Conclusion: In this study, sociodemographic variables did not influence memory prediction, which was only modestly associated with immediate memory on the Brief Cognitive Screening Battery (BCSB). PMID- 29213943 TI - Patients with dementia syndrome in public and private services in southern Brazil. AB - : Dementia is characterized by deficits in more than one cognitive domain, affecting language, praxis, gnosis, memory or executive functions. Despite the essential economic growth observed in many developing countries, especially over the last century, huge differences remain in health care, whether among nations themselves or across different regions of the same country. Objective: The aim of this study was to assess the management and main features of dementia, comparing public (PUBL) and private (PRIV) reference services. Methods: We performed a retrospective analysis of medical records of subjects with dementia. Sociocultural data, mean follow-up time in the service, Mini-mental State Examination (MMSE) scores at admission, main diagnosis of dementia, family history of dementia, comorbidities, imaging methods and treatment were assessed. Results: the time elapsed before admission in the service of the PUBL group (2.08+/-2.06 years) was higher than for the PRIV group (1.24+/-2.55 years) (p=0.0356); the MMSE score at admission in the PUBL group (15.05+/-8.16 years) was lower than in the PRIV group (18.95+/-6.69 years) (p=0.016); the PUBL group showed lower treatment coverage with cholinesterase inhibitors (52.94%) than the PRIV group (84.93%) (p=0.0001). Conclusion: Patients seeking the public health service have less access to medical care, reaching the system at more advanced stages of disease. The public service also offered lower pharmacological coverage. PMID- 29213944 TI - Assessment for apraxia in mild cognitive impairment and Alzheimer's dise. AB - Objective: To evaluate apraxia in healthy elderly and in patients diagnosed with Alzheimer's disease (AD) and Mild cognitive impairment (MCI). Methods: We evaluated 136 subjects with an average age of 75.74 years (minimum 60 years old, maximum 92 years old) and average schooling of 9 years (minimum of 7 and a maximum of 12 years), using the Mini-Mental State examination (MMSE), Cambridge Cognitive Examination (CAMCOG) and the Clock Drawing Test. For the analysis of the presence of apraxia, eight subitems from the CAMCOG were selected: the drawings of the pentagon, spiral, house, clock; and the tasks of putting a piece of paper in an envelope; the correct one hand waiving "Goodbye" movements; paper cutting using scissors; and brushing teeth. Results: Elder controls had an average score of 11.51, compared to MCI (11.13), and AD patients, whose average apraxia test scores were the lowest (10.23). Apraxia scores proved able to differentiate the three groups studied (p=0.001). In addition, a negative correlation was observed between apraxia and MMSE scores. Conclusion: We conclude that testing for the presence of apraxia is important in the evaluation of patients with cognitive impairments and may help to differentiate elderly controls, MCI and AD. PMID- 29213945 TI - Depression in elderly women resident in a long-stay nursing home. AB - : Depression is the most common psychiatric disorder among the elderly: it is present in 23-40% of community-dwelling elderly and in 25-80% of institutionalized elderly. Depressive symptoms are most prevalent in elderly women because they more readily seek healthcare services, are more vulnerable to stress and live longer than men. Objective: To investigate the prevalence of depression and its comorbidities in a long-stay nursing home (NH). Methods: This retrospective, descriptive, epidemiological study was performed at a NH in southern Brazil and comprised the first part of a larger project to determine depression and its relationship with psychosocial factors in NH residents. Sociodemographic and medical data were obtained through the examination of medical files from November 2012 to January 2013. Depression was defined as the diagnosis reported by physicians in medical files and scores on the Geriatric Depression Scale (15-item version) above 5. Other clinical and psychiatric diagnoses were obtained from medical files. Results: Out of a total of 142 elderly women, 51.4% had at least one psychiatric disorder, the most common being depression, affective bipolar disorder and mental retardation. Almost one third (32.3%) of the elderly women were depressed. The ward containing the highest number of cognitively and physically independent women contained 41.3% of the total depressed elderly. A total of 52.1% of all depressed elderly had other associated clinical or psychiatric disorders, with mental retardation and hypothyroidism being the most frequent. Conclusion: The prevalence of dementia was high in this NH. Further studies evaluating the psychosocial factors involved in depressed elders should be conducted in an effort to prevent depression and promote mental health in institutionalized elders. PMID- 29213946 TI - Alois Alzheimer and vascular brain disease: Arteriosclerotic atrophy of the brain. AB - Alois Alzheimer is best known for his description of neurofibrillary changes in brain neurons of a demented patient, identifying a novel disease, soon named after him by Kraepelin. However, the range of his studies was broad, including vascular brain diseases, published between 1894 and 1902. Alzheimer described the clinical picture of Arteriosclerotic atrophy of the brain, differentiating it from other similar disorders. He stated that autopsy allowed pathological distinction between arteriosclerosis and syphilis, thereby achieving some of his objectives of segregating disorders and separating them from syphilis. His studies contributed greatly to establishing the key information on vascular brain diseases, predating the present state of knowledge on the issue, while providing early descriptions of what would be later regarded as the dimensional presentation of the now called "Vascular cognitive impairment", constituted by a spectrum that includes a stage of "Vascular cognitive impairment not dementia" and another of "Vascular dementia". PMID- 29213948 TI - In the June 2015 issue. PMID- 29213947 TI - Reversible dementia due to neurocysticercosis: Improvement of the racemose type with antihistamines. AB - Infection of the human central nervous system (CNS) by the larvae of Taenia solium, termed neurocysticercosis (NCC), is endemic in most developing countries, where it is a major cause of acquired seizures and other neurological morbidity, including neuropsychiatric symptoms. However, despite its frequent manifestation, some findings, such as cognitive impairment and dementia, remain poorly understood. Less commonly, NCC may affect the ventricular system and subarachnoid spaces and this form is known as extraparenchymal neurocysticercosis. A particular presentation of the subarachnoid form is called racemose cysticercosis, which has a progressive pattern, frequently leads to hydrocephalus and can be life-threatening. Here we review a case of the racemose variety of cysticercosis, complicated by hydrocephalus and reversible dementia, with remission of symptoms after derivation and that remained stable with use of dexchlorpheniramine. We discuss the challenges in diagnosis, imaging findings, treatment and follow-up of this disease. PMID- 29213949 TI - Teaching medical students about dementia: A brief review. AB - Underdeveloped nations have the largest absolute number of the world's elderly population. Approximately 10.7% of the Brazilian population comprises aged individuals. Aging populations are associated with a higher incidence of chronic degenerative diseases such as dementia. Demented individuals place a high burden of care on healthcare systems and family members. General practitioners should be able to diagnose the most common elderly diseases such as dementia since they act as gatekeepers to specialized care. In Brazil, many medical students work as general practitioners upon graduating. The present study shows some scenarios of medical schools worldwide, including Brazilian, regarding teaching on dementia. PMID- 29213950 TI - Mechanisms linking brain insulin resistance to Alzheimer's disease. AB - Several studies have indicated that Diabetes Mellitus (DM) can increase the risk of developing Alzheimer's disease (AD). This review briefly describes current concepts in mechanisms linking DM and insulin resistance/deficiency to AD. Insulin/insulin-like growth factor (IGF) resistance can contribute to neurodegeneration by several mechanisms which involve: energy and metabolism deficits, impairment of Glucose transporter-4 function, oxidative and endoplasmic reticulum stress, mitochondrial dysfunction, accumulation of AGEs, ROS and RNS with increased production of neuro-inflammation and activation of pro-apoptosis cascade. Impairment in insulin receptor function and increased expression and activation of insulin-degrading enzyme (IDE) have also been described. These processes compromise neuronal and glial function, with a reduction in neurotransmitter homeostasis. Insulin/IGF resistance causes the accumulation of AbetaPP-Abeta oligomeric fibrils or insoluble larger aggregated fibrils in the form of plaques that are neurotoxic. Additionally, there is production and accumulation of hyper-phosphorylated insoluble fibrillar tau which can exacerbate cytoskeletal collapse and synaptic disconnection. PMID- 29213951 TI - Factors associated with morphometric brain changes in cognitively normal aging. AB - Objective: Cognitive impairment is associated with reductions in brain weight and volume. The factors related to morphometric brain changes in cognitively normal aging remain unknown. We aimed to identify which clinical factors are associated with morphometric brain changes in cognitively normal aging. Methods: A cross sectional study of 414 subjects, >=50 years old submitted to clinical assessment and brain autopsy, after informed consent, was carried out at the Sao Paulo Autopsy Service, Brazil. Data on cognitive and functional evaluations were collected through structured interview applied to the next-of-kin. Brain weight (g) and volume (mL) measurements were obtained and adjusted for head circumference (cm). Associations between brain weight/volume and related factors were obtained through univariate and multivariate analysis. Results: Participants were predominantly male (60.4%), Caucasian (69%), with mean age of 67.1 +/- 10.9 years. Mean brain weight was 1219.2 +/- 140.9 g, and mean brain volume was 1217.1 +/- 152.3 mL. Head circumference was independently associated with low brain weight (p<0.001) and volume (p<0.001). Total and adjusted brain weight and volume decreased in some conditions. Female gender (p<0.001), hypertension (p<0.009), coronary artery disease (p<0.013) and walking assistance (p<0.011) were associated with lower adjusted brain weight while schooling was associated with higher adjusted brain weight (p<0.003). Female gender (p<0.001), age (p<0.001) and hypertension (p<0.011) were associated with low adjusted brain volume. Conclusion: Morphometric brain changes occur despite the absence of cognitive impairment and were predominantly associated with age, female gender, mobility impairment and cardiovascular conditions. Schooling may be a protective factor. PMID- 29213952 TI - Relationship between cognition and frailty in elderly: A systematic review. AB - Objective: The aim of this study was to analyze the relationship between cognition and frailty in the elderly. Methods: A systematic review on the currently existing literature concerning the subject was carried out. The search strategy included LILACS, SCOPUS, SciELO, PsycINFO, PubMed and Web of Science databases. Results: A total of 19 studies were selected for review, from which 10 (52.6%) were cross-sectional and 9 (47.4%) longitudinal, and the majority Brazilian. All of the studies established a link between cognition and frailty. There was a relationship between components of frailty and the cognitive domains. Risk of Mild Cognitive Impairment (MCI), dementia and mortality were all evidenced in the relationship between frailty and cognitive impairment. Conclusion: The theory remains limited, but results show the variables that appear to be linked to cognition and frailty in elderly. This data can help in implementing actions to improve the quality of life among elderly. PMID- 29213953 TI - Brazilian preliminary norms and investigation of age and education effects on the Modified Wisconsin Card Sorting Test, Stroop Color and Word test and Digit Span test in adults. AB - : Executive functions are involved in a series of human neurological and psychiatric disorders. For this reason, appropriate assessment tools with age and education adjusted norms for symptom diagnosis are necessary. Objective: To present normative data for adults (19-75 year-olds; with five years of education or more) on the Modified Wisconsin Card Sorting Test (MWCST), Stroop color and word test and Digit Span test. Age and education effects were investigated. Methods: Three samples were formed after inclusion criteria and data analysis: MWCST (n=124); Digit Span (n=123), and Stroop test (n=158). Groups were divided into young (19-39), middle-aged (40-59) and older (60-75) participants with five to eight years of education and nine years of education or more. Two-way ANOVA and ANCOVA analyses were used. Results: Education effects were found in most variables of the three tasks. An age effect was only found on color naming and color-word naming speed from the Stroop test. No interactions were detected. Conclusion: In countries with heterogeneous educational backgrounds, the use of stratified norms by education to assess at least some components of executive functions is essential for an ethical and accurate cognitive diagnosis. PMID- 29213954 TI - Specific algorithm method of scoring the Clock Drawing Test applied in cognitively normal elderly. AB - : The Clock Drawing Test (CDT) is an inexpensive, fast and easily administered measure of cognitive function, especially in the elderly. This instrument is a popular clinical tool widely used in screening for cognitive disorders and dementia. The CDT can be applied in different ways and scoring procedures also vary. Objective: The aims of this study were to analyze the performance of elderly on the CDT and evaluate inter-rater reliability of the CDT scored by using a specific algorithm method adapted from Sunderland et al. (1989). Methods: We analyzed the CDT of 100 cognitively normal elderly aged 60 years or older. The CDT ("free-drawn") and Mini-Mental State Examination (MMSE) were administered to all participants. Six independent examiners scored the CDT of 30 participants to evaluate inter-rater reliability. Results and Conclusion: A score of 5 on the proposed algorithm ("Numbers in reverse order or concentrated"), equivalent to 5 points on the original Sunderland scale, was the most frequent (53.5%). The CDT specific algorithm method used had high inter-rater reliability (p<0.01), and mean score ranged from 5.06 to 5.96. The high frequency of an overall score of 5 points may suggest the need to create more nuanced evaluation criteria, which are sensitive to differences in levels of impairment in visuoconstructive and executive abilities during aging. PMID- 29213955 TI - Development of alternative versions of the Logical Memory subtest of the WMS-R for use in Brazil. AB - : The logical memory test of the Wechsler Memory Scale is one of the most frequently used standardized tests for assessing verbal memory and consists of two separate short stories each containing 25 idea units. Problems with practice effects arise with re-testing a patient, as these stories may be remembered from previous assessments. Therefore, alternative versions of the test stimuli should be developed to minimize learning effects when repeated testing is required for longitudinal evaluations of patients. Objective: To present three alternative stories for each of the original stories frequently used in Brazil (Ana Soares and Roberto Mota) and to show their similarity in terms of content, structure and linguistic characteristics. Methods: The alternative stories were developed according to the following criteria: overall structure or thematic content (presentation of the character, conflict, aggravation or complements and resolution); specific structure (sex of the character, location and occupation, details of what happened); formal structure (number of words, characters, verbs and nouns); and readability. Results: The alternative stories and scoring criteria are presented in comparison to the original WMS stories (Brazilian version). Conclusion: The alternative stories presented here correspond well thematically and structurally to the Brazilian versions of the original stories. PMID- 29213956 TI - The most frequently used tests for assessing executive functions in aging. AB - : There are numerous neuropsychological tests for assessing executive functions in aging, which vary according to the different domains assessed. Objective: To present a systematic review of the most frequently used instruments for assessing executive functions in older adults with different educational levels in clinical and experimental research. Methods: We searched for articles published in the last five years, using the PubMed database with the following terms: "neuropsychological tests", "executive functions", and "mild cognitive impairment". There was no language restriction. Results: 25 articles fulfilled all the inclusion criteria. The seven neuropsychological tests most frequently used to evaluate executive functions in aging were:[1] Trail Making Test (TMT) Form B;[2] Verbal Fluency Test (VFT) - F, A and S;[3] VFT Animals category;[4] Clock Drawing Test (CDT);[5] Digits Forward and Backward subtests (WAIS-R or WAIS III);[6] Stroop Test; and[7] Wisconsin Card Sorting Test (WCST) and its variants. The domains of executive functions most frequently assessed were: mental flexibility, verbal fluency, planning, working memory, and inhibitory control. Conclusion: The study identified the tests and domains of executive functions most frequently used in the last five years by research groups worldwide to evaluate older adults. These results can direct future research and help build evaluation protocols for assessing executive functions, taking into account the different educational levels and socio-demographic profiles of older adults in Brazil. PMID- 29213957 TI - Brazilian adaptation of the Hotel Task: A tool for the ecological assessment of executive functions. AB - : Over recent years, neuropsychological research has been increasingly concerned with the need to develop more ecologically valid instruments for the assessment of executive functions. The Hotel Task is one of the most widely used ecological measures of executive functioning, and provides an assessment of planning, organization, self-monitoring and cognitive flexibility. Objective: The goal of this study was to adapt the Hotel Task for use in the Brazilian population. Methods: The sample comprised 27 participants (three translators, six expert judges, seven healthy adults, ten patients with traumatic brain injuries and one hotel manager). The adaptation process consisted of five steps, which were repeated until a satisfactory version of the task was produced. The steps were as follows:(1) Translation;(2) Development of new stimuli and brainstorming among the authors;(3) Analysis by expert judges;(4) Pilot studies;(5) Assessment by an expert in business administration and hotel management. Results: The adapted version proved adequate and valid for the assessment of executive functions. However, further research must be conducted to obtain evidence of the reliability, as well as the construct and criterion validity, sensitivity and specificity, of the Hotel Task. Conclusion: Many neurological and/or psychiatric populations may benefit from the adapted task, since it may make significant contributions to the assessment of dysexecutive syndromes and their impact on patient functioning. PMID- 29213958 TI - Cognitive performance after ischaemic stroke. AB - : Cognitive impairment after stroke affects the patient recovery process. Therefore, the identification of factors associated with cognitive outcomes is important since it allows risk profiles of stroke survivors to be determined. Objective: To assess cognitive outcome of stroke outpatients and investigate associations among clinical and demographic variables, vascular risk factors, depression symptoms and functional ability; and to describe the neuropsychological profile of these patients. Methods: A cross-sectional design study was conducted. Subjects who suffered a first-ever ischaemic stroke 6 to 10 months prior to data collection underwent neuropsychological assessment and screening for depressive symptoms and functional ability. The outcome "cognitive performance" was analyzed considering two groups: "cognitive impairment" and "no cognitive impairment". Results: There was a statistically significant association between cognitive impairment and female gender, age, stroke severity and functional ability. Regarding neuropsychological profile, the cognitive impairment group exhibited more generalized deficits in attention, visuospatial organization, verbal functions and verbal memory domains compared to the community control group. Conclusion: The occurrence of cognitive impairment among patients was high, especially in women, older participants, individuals with more severe stroke, and greater impairment in functional ability. Multiple cognitive domains are affected and this may hamper recovery and negatively impact independence and quality of life after stroke. PMID- 29213959 TI - Accuracy and reliability of the Pfeffer Questionnaire for the Brazilian elderly population. AB - : The aging population calls for instruments to assess functional and cognitive impairment in the elderly, aiming to prevent conditions that affect functional abilities. Objective: To verify the accuracy and reliability of the Pfeffer (FAQ) scale for the Brazilian elderly population and to evaluate the reliability and reproducibility of the translated version of the Pfeffer Questionnaire. Methods: The Brazilian version of the FAQ was applied to 110 elderly divided into two groups. Both groups were assessed by two blinded investigators at baseline and again after 15 days. In order to verify the accuracy and reliability of the instrument, sensitivity and specificity measurements for the presence or absence of functional and cognitive decline were calculated for various cut-off points and the ROC curve. Intra and inter-examiner reliability were assessed using the Interclass Correlation Coefficient (ICC) and Bland-Altman plots. Results: For the occurrence of cognitive decline, the ROC curve yielded an area under the curve of 0.909 (95%CI of 0.845 to 0.972), sensitivity of 75.68% (95%CI of 93.52% to 100%) and specificity of 97.26%. For the occurrence of functional decline, the ROC curve yielded an area under the curve of 0.851 (95%CI of 64.52% to 87.33%) and specificity of 80.36% (95%CI of 69.95% to 90.76%). The ICC was excellent, with all values exceeding 0.75. On the Bland-Altman plot, intra-examiner agreement was good, with p>0.05consistently close to 0. A systematic difference was found for inter-examiner agreement. Conclusion: The Pfeffer Questionnaire is applicable in the Brazilian elderly population and showed reliability and reproducibility compared to the original test. PMID- 29213960 TI - Alzheimer and vascular brain disease: Senile dementia. AB - Alois Alzheimer is best known for his description of a novel disease, subsequently named after him. However, his wide range of interests also included vascular brain diseases. He described Senile dementia, a highly heterogeneous condition, and was able not only to distinguish it from syphilitic brain disease, but also to discriminate two clinicopathological subtypes, that may be labeled a "arteriosclerotic subtype", comparable to the present clinicopathological continuum of "Vascular cognitive impairment", and another as a "neurodegenerative subtype", characterized by primary [cortical] ganglion cell [nerve cells] degeneration, possibly foreshadowing a peculiar presenile disease that he was to describe some years later and would carry his name. He also considered the possibility of a senile presentation of this disease subtype, which was described by Oskar Fischer a short time later. Considering the clinicopathological overlapping features of the "arteriosclerotic subtype" of Senile dementia with Arteriosclerotic atrophy of the brain, it might be possible to consider that both represent a single condition. PMID- 29213961 TI - Autoimmune limbic encephalitis: A manifestation of systemic lupus erythematosus in the central nervous system. AB - Autoimmune limbic encephalitis (ALE) associated with systemic lupus erythematosus (SLE) is a rare entity with few reports in the literature to date. In general, ALE associated with SLE has a satisfactory response to immunosuppressive treatment (RIT), but the pathogenesis of this association is poorly understood and may include an autoimmunity component. We report a case study describing the diagnosis and management of limbic encephalitis in a patient with active Systemic Lupus Erythematosus disease (SLE) and past medical history of cancer (endometrial adenocarcinoma in 2004 and papillary urothelial carcinoma in 2011 with curative treatment), followed over a one-year period. We discuss the possible association between limbic encephalitis and all past neoplastic and immune-mediated conditions of this patient. In this particularly case, autoimmunity was the most relevant factor associated with limbic encephalitis given negative neoplastic screening. Moreover, a good response was observed to immunotherapy, not seen with paraneoplastic limbic encephalitis, which is associated with poor response. In this case, the association of ALE with SLE is possible, since laboratory testing disclosed lupic activity and the patient had involvement of other systems (such as hematologic) during the period. However, the presence of other surface membrane antibodies are possible in the search for alternative etiologies. PMID- 29213962 TI - Action of anti-TNF-alpha drugs on the progression of Alzheimer's disease: A case report. AB - The aim of this study was to describe a clinical case of a patient with Alzheimer's disease (AD) in use of an anti-TNF-alpha agent for rheumatoid arthritis (RA). The patient reported is an 81-year-old Caucasian man and retired teacher, diagnosed with RA in 2008 and AD in 2011. Treatment with donepezil was started in 2011 and the use of etanercept introduced in 2012. He was previously treated with adalimumab in 2010 for 18 months. In 2013, the subject was engaged in a clinical trial to assess a complementary non-pharmacological approach for AD, presenting significant cognitive improvement during the follow-up period. We propose the hypothesis of a synergistic effect of anti-TNF-alpha medication used for the treatment of RA as the cause of the improvement in cognitive response observed. These findings could suggest a possible use of this drug class in the therapeutic management of AD. PMID- 29213963 TI - In the September 2015 issue. PMID- 29213964 TI - Culture as a variable in neuroscience and clinical neuropsychology: A comprehensive review. AB - Culture is a dynamic system of bidirectional influences among individuals and their environment, including psychological and biological processes, which facilitate adaptation and social interaction. One of the main challenges in clinical neuropsychology involves cognitive, behavioral and functional assessment of people with different sociocultural backgrounds. In this review essay, examining culture from a historical perspective to ethical issues in cross cultural research, including the latest significant and publications, the authors sought to explore the main features related to cultural variables in neuropsychological practice and to debate the challenges found regarding the operational methods currently in use. Literature findings suggest a more comprehensive approach in cognitive and behavioral neuroscience, including an interface between elementary disciplines and applied neuropsychology. Thus, as a basis for discussion on this issue, the authors analyzed key-topics related to the study of new trends in sociocultural neuroscience and the application of their concepts from a clinical perspective. PMID- 29213966 TI - Neuropsychiatric symptoms in Vascular Cognitive Impairment: a systematic review. AB - : Neuropsychiatric symptoms or Behavioral and Psychological Symptoms of Dementia (BPSD) are common and invariably appear at some point during the course of the disease, mediated both by cerebrovascular disease and neurodegenerative processes. Few studies have compared the profiles of BPSD in Vascular Cognitive Impairment (VCI) of different subtypes (subcortical or cortical) and clinical stages (Vascular Cognitive Impairment No Dementia [VaCIND] and Vascular Dementia [VaD]). Objective: To review the BPSD associated with different subtypes and stages of VCI using the Neuropsychiatric Inventory (NPI). Methods: Medline, Scielo and Lilacs databases were searched for the period January 2000 to December 2014, with the key words: "BPSD AND Vascular Dementia, "NPI AND Vascular Dementia" and "NPI AND VCI. Qualitative analysis was performed on studies evaluating BPSD in VCI, using the Neuropsychiatric Inventory (NPI). Results: A total of 82 studies were retrieved of which 13 were eligible and thus included. Among the articles selected, 4 compared BPSD in Subcortical Vascular Dementia (SVaD) versus Cortical-Subcortical Vascular Dementia (CSVaD), 3 involved comparisons between SVaD and VaCIND, 1 study analyzed differences between CSVaD and VaCIND, while 5 studies assessed BPSD in CSVaD. Subcortical and Cortical Subcortical VaD were associated predominantly with Apathy and Depression. VaCIND may present fewer behavioral symptoms than VaD. Conclusion: The profile of BPSD differs for different stages of VCI. Determining the most prevalent BPSD in VCI subtypes might be helpful for improving early diagnosis and management of these symptoms. PMID- 29213967 TI - Cognitive Change Questionnaire as a method for cognitive impairment screening. AB - : The Cognitive Change Questionnaire (CCQ) was created as an effective measure of cognitive change that is easy to use and suitable for application in Brazil. Objective: To evaluate whether the CCQ can accurately distinguish normal subjects from individuals with Mild Cognitive Impairment (MCI) and/or early stage dementia and to develop a briefer questionnaire, based on the original 22-item CCQ (CCQ22), that contains fewer questions. Methods: A total of 123 individuals were evaluated: 42 healthy controls, 40 patients with MCI and 41 with mild dementia. The evaluation was performed using cognitive tests based on individual performance and on questionnaires administered to informants. The CCQ22 was created based on a selection of questions that experts deemed useful in screening for early stage dementia. Results: The CCQ22 showed good accuracy for distinguishing between the groups. Statistical models selected the eight questions with the greatest power to discriminate between the groups. The AUC ROC corresponding to the final version of the 8-item CCQ (CCQ8), demonstrated good accuracy in differentiating between groups, good correlation with the final diagnosis (r=0.861) and adequate internal consistency (Cronbach's alpha=0.876). Conclusion: The CCQ8 can be used to accurately differentiate between normal subjects and individuals with cognitive impairment, constituting a brief and appropriate instrument for cognitive screening. PMID- 29213965 TI - The Genetics of Monogenic Frontotemporal Dementia. AB - Around 10-15% of patients diagnosed with frontotemporal dementia (FTD) have a positive family history for FTD with an autosomal dominant pattern of inheritance. Since the identification of mutations in MAPT (microtubule associated protein tau gene) in 1998, over 10 other genes have been associated with FTD spectrum disorders, discussed in this review. Along with MAPT, mutations in GRN (progranulin) and C9orf72 (chromosome 9 open reading frame 72) are the most commonly identified in FTD cohorts. The association of FTD and motor neuron disease (MND) can be caused by mutations in C9orf72 and other genes, such as TARDBP (TAR DNA-binding protein), FUS (fused in sarcoma), UBQLN2 (ubiquilin 2). Multisystem proteinopathy is a complex phenotype that includes FTD, Paget disease of the bone, inclusion body myopathy and MND, and can be due to mutations in VCP (valosing containing protein) and other recently identified genes. PMID- 29213968 TI - Brazilian transcultural adaptation of an instrument on physicians' knowledge and attitudes towards dementia. AB - Objective: The aim of this study was to obtain a Brazilian transcultural adaptation of an instrument developed in the United Kingdom for assessing the knowledge and attitudes towards dementia by physicians. Methods: The "Knowledge Quiz" (KQ) contains 14 items on epidemiology, diagnosis and management of dementia, while the "Attitude Quiz" contains 10 sentences about physicians' thoughts on the management of demented patients. The Quizzes were translated, back-translated and the resultant version applied to five physicians. Results: The transcultural equivalence process was performed and four items of the KQ needed adapting to the Brazilian context. After changes suggested by a panel of specialists, the final version was applied to another five physicians and the transcultural equivalence considered adequate. Conclusion: The Brazilian version of the instrument was successfully transculturally adapted for future validation and application in Brazil. PMID- 29213969 TI - Total output and switching in category fluency successfully discriminates Alzheimer's disease from Mild Cognitive Impairment, but not from frontotemporal dementia. AB - : Verbal fluency tasks require generation of words beginning with a letter (phonemic fluency; PF) or from a category (category fluency; CF) within a limited time period. Generally, total output on CF has been used to discriminate Mild Cognitive Impairment (MCI) from Alzheimer's disease (AD), while poor PF has been used as a marker for behavioral-variant frontotemporal dementia (bvFTD). However, in the absence of this disparate performance, further characterization of the task becomes necessary. Objective: We examined whether fluency, as well as its components, clustering (successively generated words belonging to a category) and switching (shifting between categories) carried diagnostic utility in discriminating AD from MCI and bvFTD. Methods: PF (letter 'P') and CF ('animals') tasks were administered in English to patients with MCI (n=25), AD (n=37), and bvFTD (n=17). Clustering and switching scores were calculated using established criteria. Results: Our findings suggested that up to 85% of AD and MCI could be successfully discriminated based on total number of responses and switching in CF alone. PF-CF disparity was not noted in AD or bvFTD. Performance on clustering or switching also proved insufficient to discriminate AD from bvFTD. Conclusion: Switching was found to be useful when differentiating AD from MCI. In AD and bvFTD, the course of progression of the disease may lead to attenuation of total number of responses produced on both tasks to an extent where clustering and switching may not be useful measures to discriminate these dementias from each other. PMID- 29213970 TI - Use of a modified version of the switching verbal fluency test for the assessment of cognitive flexibility. AB - Objective: Verbal fluency tests are widely used for the assessment of executive functions. However, traditional versions of the test depend on several cognitive factors beyond these components. The aim of this study was to evaluate the associations of a modified version of the verbal fluency with specific measures of executive functions. Methods: Sixty adults were evaluated using traditional versions of verbal fluency (animals/fruits) and a modified condition where subjects must switch between animals and fruits. Processing speed, semantic abilities, psychiatric symptoms and executive functions were also assessed. Results: Partial correlations between the verbal fluency tests and measures of executive functions, controlled for demographic, cognitive and psychiatric symptoms, suggest that cognitive flexibility has 9% shared variance with the verbal fluency test - category animals, 2 % with category fruits, 8% with total words in switching condition, and 20% with total correct word-pairs produced in switching condition. The other aspects of executive functions during the task had shared variance of between 1% and 7% with the verbal fluency tasks. Conclusion: The results suggest that correct word-pairs produced in switching verbal fluency may be a more specific measure for evaluating cognitive flexibility compared to other versions of verbal fluency. PMID- 29213971 TI - Performance of a sample of patients with Mild Cognitive Impairment (MCI), Alzheimer's Disease (AD) and healthy elderly on a lexical decision test (LDT) as a measure of pre-morbid intelligence. AB - Objective: The objective of this study was to describe the performance of healthy elderly patients with aging-related pathologies (MCI) and patients with AD on a lexical decision test. Methods: The study included 38 healthy elderly subjects, 61 MCI and 26 AD patients from the Neurology Department of the Hospital das Clinicas, Behavioral and Cognitive Neurology Group. The neuropsychological instruments included the episodic memory test (RAVLT), subtests from the WAIS-III (Matrix Reasoning and Vocabulary) to determine estimated IQ, the Boston naming test (BNT) and Lexical Decision Test (LDT). Results: All groups differed on the MMSE, as expected according to their pathologies, memory tests, naming and estimated IQ. For the vocabulary and the LDT - measures of crystalized intelligence no differences were found. Conclusion: The LDT demonstrated that lexical decision can be used as a measure of pre-morbid IQ among the individuals assessed in a Brazilian sample. PMID- 29213972 TI - Cognitive performance and engagement in physical, social and intellectual activities in older adults: The FIBRA study. AB - : Cognitive decline in aging can negatively impact quality of life in the elderly. However, studies have shown that elderly engaged in advanced activities of daily living (AADLs) can maintain or enhance global cognitive function or specific domains. Objective: To investigate the relationship between engagement in AADLs and domains of cognition in elderly from seven different locations in Brazil. Methods: A cross-sectional study involving 2,549 elderly without cognitive deficits suggestive of dementia was conducted. Data were collected on sociodemographic characteristics, health status, the Mini-Mental State Exam (MMSE) by subdomain (orientation, memory, attention/calculus, language and constructional praxis), and engagement in AADL grouped under physical, social and intellectual activities. Results: Multivariate linear regression analysis revealed an association, albeit modest, between intellectual AADLs and the domains orientation, attention/calculus, language and constructional praxis (R2=0.005, 0.008, 0.021, and 0.021 respectively). Social AADLs were correlated with memory (R2=0.002) and language (R2=0.004) domains. No association was found between physical AADLs and MMSE domains. Schooling and family income were the sociodemographic variables exhibiting the strongest relationship with cognitive domains. Conclusion: The study found associations between intellectual and social AADLs with higher cognitive performance, suggesting that active aging can provide opportunities to attenuate cognitive decline in aging. PMID- 29213973 TI - Analysis of prototypical narratives produced by aphasic individuals and cognitively healthy subjects. AB - : Aphasia can globally or selectively affect comprehension and production of verbal and written language. Discourse analysis can aid language assessment and diagnosis. Objective: [1] To explore narratives that produce a number of valid indicators for diagnosing aphasia in speakers of Brazilian Portuguese.[2] To analyze the macrostructural aspects of the discourse of normal individuals.[3] To analyze the macrostructural aspects of the discourse of aphasic individuals. Methods: The macrostructural aspects of three narratives produced by aphasic individuals and cognitively healthy subjects were analyzed. Results: A total of 30 volunteers were examined comprising 10 aphasic individuals (AG) and 20 healthy controls (CG). The CG included 5 males. The CG had a mean age of 38.9 years (SD=15.61) and mean schooling of 13 years (SD=2.67) whereas the AG had a mean age of 51.7 years (SD=17.3) and mean schooling of 9.1 years (SD=3.69). Participants were asked to narrate three fairy tales as a basis for analyzing the macrostructure of discourse. Comparison of the three narratives revealed no statistically significant difference in number of propositions produced by the groups. A significant negative correlation was found between age and number of propositions produced. Also, statistically significant differences were observed in the number of propositions produced by the individuals in the CG and the AG for the three tales. Conclusion: It was concluded that the three tales are applicable for discourse assessment, containing a similar number of propositions and differentiating aphasic individuals and cognitively healthy subjects based on analysis of the macrostructure of discourse. PMID- 29213974 TI - Executive functions as a potential neurocognitive endophenotype in anxiety disorders: A systematic review considering DSM-IV and DSM-5 diagnostic criteria classification. AB - : Evidence in the literature indicates that neurocognitive impairments may represent endophenotypes in psychiatric disorders. Objective: This study aimed to conduct a systematic review on executive functions as a potential neurocognitive endophenotype in anxiety disorder diagnosis according to the DSM-IV and DSM-5 classifications. Methods: A literature search of the LILACS, Cochrane Library, Index Psi Periodicos Tecnico-Cientificos, PubMed and PsycInfo databases was conducted, with no time limits. Of the 259 studies found, 14 were included in this review. Results: Only studies on obsessive-compulsive disorder (OCD) were found. The executive function components of decision-making, planning, response inhibition, behavioral reversal/alternation, reversal learning and set shifting/cognitive flexibility were considered to be a neurocognitive endophenotypes in OCD. Conclusion: Further studies on executive functions as a neurocognitive endophenotype in other anxiety disorders are needed since these may have different neurocognitive endophenotypes and require other prevention and treatment approaches. PMID- 29213975 TI - Evaluation of quality of life and psychological aspects of Parkinson's disease patients who participate in a support group. AB - : Parkinson's disease (PD) is a neurodegenerative disorder that can dramatically impair patient quality of life (QoL). Objective: To analyze the QoL, motor capacity, depression, anxiety and social phobia of individuals who attended a patient support group (PSG) compared to non-participants. Methods: A cross sectional study was performed. The sample consisted of 20 individuals with PD who attended a PSG and another 20 PD patients who did not attend a support group for PD patients, serving as the control group (nPSG). All patients answered questionnaires on motor capacity (UPDRS), QoL (Parkinson's Disease Questionnaire- PDQ-39), depression (Beck Depression Inventory), anxiety (Beck Anxiety Inventory) and social phobia (Liebowitz Social Anxiety Scale). To determine data distribution, the Shapiro-Wilk test was performed. For comparison of means, Student's t-test was applied. In cases of asymmetry, the Mann-Whitney test was employed. To assess the association between the scales, Pearson's correlation coefficient (symmetric distribution) and Spearman's coefficient (asymmetric distribution) were applied. For the association between qualitative variables, Pearson's Chi-squared test was performed. A significance level of 5% (p<=0.05) was adopted. Results: Individuals in the PSG had a significantly better QoL (p=0.002), and lower depression (p=0.026), anxiety (p<0.001) and social phobia (p=0.01) scores compared to the nPSG. Conclusion: The participation of PD patients in social activities such as support groups is associated with better QoL and fewer symptoms of depression, anxiety and social phobia. PMID- 29213976 TI - Assessment of verbal and visuospatial working memory in mild cognitive impairment and Alzheimer's dementia. AB - : In addition to episodic memory impairment, working memory may also be compromised in mild cognitive impairment (MCI) or Alzheimer's dementia (AD), but standard verbal and visuospatial span tasks do not always detect impairments. Objective: To examine whether more complex verbal and visuospatial working memory tasks result in more reliable impairment detection. Methods: The Digit Span (forward, backward and sequencing), Spatial Span (forward and backward) and Spatial Addition test from the Wechsler batteries were administered to MCI and AD patients and performance compared to healthy older adult controls. Results: Results showed that both the MCI and AD patients had impaired performance on the Spatial Addition test. Both groups also had impaired performance on all three Digit Span conditions, but no differences were found between forward and backward conditions in any of the groups. The sequencing condition differed from the backward condition only in the AD group. Spatial Span performance was impaired in AD group patients but not in MCI patients. Conclusion: Working memory deficits are evident in MCI and AD even on standard neuropsychological tests. However, available tests may not detect subtle impairments, especially in MCI. Novel paradigms tapping the episodic buffer component of working memory may be useful in the assessment of working memory deficits, but such instruments are not yet available for clinical assessment. PMID- 29213977 TI - Alzheimer and vascular brain diseases: Focal and diffuse subforms. AB - Alois Alzheimer is best known for his description of the pre-senile neurodegenerative disease named after him. However, his previous interest in vascular brain diseases, underlying cognitive and behavioral changes, was very strong. Besides describing the Arteriosclerotic atrophy of the brain and the arteriosclerotic subtype of Senile dementia which he viewed as main forms of vascular brain diseases, he also identified and described a series of conditions he considered subforms. These may be divided, as suggested by the authors of the present paper, into 3 groups: gliosis and sclerosis, subcortical atrophies, and apoplectic. The subforms of the three groups present characteristic neuropathological features and clinical, cognitive and behavioral manifestations. These provide the basis, together with part of the main forms, for the contemporary condition known as Vascular Cognitive Impairment. PMID- 29213979 TI - Editorial: Neuroimaging in dementias. PMID- 29213978 TI - A patient with a long history of relapsing psychosis and mania presenting with anti-NMDA receptor encephalitis ten years after first episode. AB - Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis is a recently discovered autoimmune disorder, in which antibodies target NMDARs in the brain, leading to their removal from synapses. Early in the disease course, patients often present with marked psychosis and mood disturbances (i.e. mania, depression), explaining why most of these patients are first seen by psychiatrists. Hence, autoimmune encephalitis is receiving growing attention from psychiatry, mainly owing to concerns over misdiagnosing immunomediated and potentially curable disorders as primary psychiatric disorders, such as schizophrenia or major depressive disorder. Although anti-NMDAR encephalitis occurs in the context of new-onset psychiatric symptoms, there is a lack of information on differential diagnosis and treatment of this disorder after a long-term diagnostic history of functional psychiatric disorders. We report a case of a patient with a long history of bipolar affective disorder evolving with anti-NMDAR encephalitis, initially misdiagnosed as non-organic psychosis. PMID- 29213980 TI - A new section: neuroimaging through clinical cases. PMID- 29213981 TI - Multimodality Imaging Approach in Alzheimer disease. Part I: Structural MRI, Functional MRI, Diffusion Tensor Imaging and Magnetization Transfer Imaging. AB - The authors make a complete review of the potential clinical applications of traditional and novel magnetic resonance imaging (MRI) techniques in the evaluation of patients with Alzheimer's disease, including structural MRI, functional MRI, diffusion tension imaging and magnetization transfer imaging. PMID- 29213982 TI - Multimodality Imaging Approaches in Alzheimer's disease. Part II: 1H MR spectroscopy, FDG PET and Amyloid PET. AB - In this Part II review, as a complement to the Part I published in this supplement, the authors cover the imaging techniques that evaluates the Alzheimer's disease according to the different metabolic and molecular profiles. In this section MR spectroscopy, FDG-PET and amyloid PET are deeply discussed. PMID- 29213983 TI - PET and the multitracer concept in the study of neurodegenerative diseases. AB - The complexity of the pathological reactions of the brain to an aggression caused by an internal or external noxa represents a challenge for molecular imaging. Positron emission tomography (PET) can indicate in vivo, anatomopathological changes involved in the development of different clinical symptoms in patients with neurodegenerative disorders. PET and the multitracer concept can provide information from different systems in the brain tissue building an image of the whole disease. We present here the combination of 18F-flourodeoxyglucose (FDG) and N-[11C-methyl]-L-deuterodeprenyl (DED), FDG and N-[11C-methyl] 2-(4' methylaminophenyl)-6-hydroxybenzothiazole (PIB), PIB and L-[11C]-3'4 Dihydrophenylalanine (DOPA) and finally PIB and [15O]H2O. PMID- 29213984 TI - Neuroimaging in normal pressure hydrocephalus. AB - Normal pressure hydrocephalus (NPH) is a syndrome characterized by the triad of gait disturbance, mental deterioration and urinary incontinence, associated with ventriculomegaly and normal cerebrospinal fluid (CSF) pressure. The clinical presentation (triad) may be atypical or incomplete, or mimicked by other diseases, hence the need for supplementary tests, particularly to predict postsurgical outcome, such as CSF tap-tests and computed tomography (CT) or magnetic resonance imaging (MRI). The CSF tap-test, especially the 3 to 5 days continuous external lumbar drainage of at least 150 ml/day, is the only procedure that simulates the effect of definitive shunt surgery, with high sensitivity (50 100%) and high positive predictive value (80-100%). According to international guidelines, the following are CT or MRI signs decisive for NPH diagnosis and selection of shunt-responsive patients: ventricular enlargement disproportionate to cerebral atrophy (Evans index >0.3), and associated ballooning of frontal horns; periventricular hyperintensities; corpus callosum thinning and elevation, with callosal angle between 40o and 90o; widening of temporal horns not fully explained by hippocampal atrophy; and aqueductal or fourth ventricular flow void; enlarged Sylvian fissures and basal cistern, and narrowing of sulci and subarachnoid spaces over the high convexity and midline surface of the brain. On the other hand, other imaging methods such as radionuclide cisternography, SPECT, PET, and also DTI or resting-state functional MRI, although suitable for NPH diagnosis, do not yet provide improved accuracy for identifying shunt-responsive cases. PMID- 29213985 TI - Dementia resulting from traumatic brain injury. AB - Traumatic brain injury (TBI) represents a significant public health problem in modern societies. It is primarily a consequence of traffic-related accidents and falls. Other recently recognized causes include sports injuries and indirect forces such as shock waves from battlefield explosions. TBI is an important cause of death and lifelong disability and represents the most well-established environmental risk factor for dementia. With the growing recognition that even mild head injury can lead to neurocognitive deficits, imaging of brain injury has assumed greater importance. However, there is no single imaging modality capable of characterizing TBI. Current advances, particularly in MR imaging, enable visualization and quantification of structural and functional brain changes not hitherto possible. In this review, we summarize data linking TBI with dementia, emphasizing the imaging techniques currently available in clinical practice along with some advances in medical knowledge. PMID- 29213986 TI - Dementia in motor neuron disease: Reviewing the role of MRI in diagnosis. AB - The superimposed clinical features of motor neuron disease (MND) and frontotemporal dementia (FTD) comprise a distinct, yet not fully understood, neurological overlap syndrome whose clinicopathological basis has recently been reviewed. Here, we present a review of the clinical, pathological and genetic basis of MND-FTD and the role of MRI in its diagnosis. In doing so, we discuss current techniques that depict the involvement of the selective corticospinal tract (CST) and temporal lobe in MND-FTD. PMID- 29213987 TI - Neuroimaging of HIV-associated neurocognitive disorders. AB - A significant increase in the incidence of cognitive impairment in HIV/AIDS patients has been continuously observed. Consequently, three classification categories of cognitive impairment have been proposed: asymptomatic neurocognitive impairment (ANI) and mild neurocognitive disorder (MND), that correspond to the mild and intermediate forms, and HIV-associated dementia (HAD) for the most severe cases. HIV-associated neurocognitive disorders (HAND) is a broad term that encompasses these three categories. Moreover, the application of neuroimaging methods has led to a major breakthrough in understanding of the neurological changes in HIV, providing greater reliability in the exclusion of associated diseases and allowing earlier diagnosis. Therefore, abnormalities and/or specific neuroimaging elements may soon be incorporated into the HAND classification criteria, which will be of great value in the management of these diseases, including in the optimization of high CNS penetration antiretroviral regimens. PMID- 29213988 TI - Analysis of the posterior cingulate cortex with [18F]FDG-PET and Naa/mI in mild cognitive impairment and Alzheimer's disease: Correlations and differences between the two methods. AB - : Reduction of regional brain glucose metabolism (rBGM) measured by [18F]FDG-PET in the posterior cingulate cortex (PCC) has been associated with a higher conversion rate from mild cognitive impairment (MCI) to Alzheimer's disease (AD). Magnetic Resonance Spectroscopy (MRS) is a potential biomarker that has disclosed Naa/mI reductions within the PCC in both MCI and AD. Studies investigating the relationships between the two modalities are scarce. Objective: To evaluate differences and possible correlations between the findings of rBGM and NAA/mI in the PCC of individuals with AD, MCI and of cognitively normal volunteers. Methods: Patients diagnosed with AD (N=32) or MCI (N=27) and cognitively normal older adults (CG, N=28), were submitted to [18F]FDG-PET and MRS to analyze the PCC. The two methods were compared and possible correlations between the modalities were investigated. Results: The AD group exhibited rBGM reduction in the PCC when compared to the CG but not in the MCI group. MRS revealed lower NAA/mI values in the AD group compared to the CG but not in the MCI group. A positive correlation between rBGM and NAA/mI in the PCC was found. NAA/mI reduction in the PCC differentiated AD patients from control subjects with an area under the ROC curve of 0.70, while [18F]FDG-PET yielded a value of 0.93. Conclusion: rBGM and Naa/mI in the PCC were positively correlated in patients with MCI and AD. [18F]FDG-PET had greater accuracy than MRS for discriminating AD patients from controls. PMID- 29213989 TI - Neuroimaging criteria and cognitive performance in vascular mild cognitive impairment: A systematic review. AB - : The recognition of Cerebrovascular Disease (CVD) at earlier clinical stages may favor the control of vascular risk factors and prevention of dementia. However, operational criteria for symptomatic phases at non-dementia stages are often difficult, as the current criteria normally require the evidence of extensive subcortical disease. Objective: To identify the neuroimaging profile of Vascular Mild Cognitive Impairment (VaMCI), the impact of those aspects over cognition and the neuropsychological tests that distinguished VaMCI from other groups. Methods: Searches were performed in Scopus, ISI and PsycINFO, using the following key terms: "vascular mild cognitive impairment" OR "vascular cognitive impairment no dementia" OR "vascular cognitive impairment not demented" OR "subcortical mild cognitive impairment". Results: Of 249 papers, 20 studies were selected. Ten of those included only patients with severe White Matter Hyperintensities (WMH), whereas 10 others admitted subjects with moderate-to-severe WMH. Both groups showed poor performances in Executive Function (EF) tasks in comparison to normal controls and other diagnostic groups. Among EF tests, those assessing "complex" EF abilities consistently distinguished VaMCI from other groups, regardless of the severity of WMH. VaMCI subjects with severe or moderate-to-severe WMH showed cognitive deficits in comparison with other groups. "Complex" EF tests were the most useful in differentiating those patients from the other groups. Conclusion: The occurrence of VaMCI may be associated with the presence of CVD at moderate levels; the detection of vascular damage at earlier stages may allow the adoption of therapeutic actions with significant effect-sizes. PMID- 29213990 TI - Modulation of cerebral haemodynamic response to olfactory stimuli by emotional valence detected by functional magnetic resonance imaging. AB - : Olfactory perception, although restricted to just a few contexts in everyday life, is key in medicine. Several dementia conditions have been associated with early loss of olfactory discrimination. Despite the fact that several brain areas have been associated with olfaction in functional magnetic resonance imaging (fMRI), the mechanisms by which emotional valence is conveyed to the brain are not fully understood. Methods: In this study, we compared cerebral activations by olfactory stimuli using different emotional valence stimuli on event-related fMRI. We used three standard olfactory odorants with different valence (positive, neutral and negative). Forty-three healthy subjects (22 males) were scanned on a 3.0T MR system. Olfactory stimulation was attained through a delivery system synchronized with image acquisition and subjects' breathing instructions. fMRI data analysis was performed by the FSL package (Oxford University) including head movement correction, GLM modeling of the neurovascular (BOLD) response and group activation maps produced at p<0.05and corrected for multiple comparison. Results: Increased cerebral responses within the anterior cingulate, amygdaloid nuclei, as well as the dorsolateral prefrontal, occipital and orbitofrontal cortices were observed in positive and negative valence conditions, while response to neutral valence arousal was less intense and not observed in the amygdaloid complex. The most significant statistical response aroused from the stimuli clusters was observed in the negative condition. Conclusion: The results of the present study support the hypothesis that neutral stimuli may be more sensitive to early losses in pathological conditions, particularly dementia. PMID- 29213992 TI - Contrast enhancement in the mammillary bodies: An easily missed sign of Korsakoff syndrome. PMID- 29213991 TI - C9ORF72 and the FTD-ALS spectrum: A systematic review of neuroimaging studies. AB - Objective: To perform a systematic review of the literature on the neuroimaging investigation of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) associated with C9ORF72 mutation. Methods: The search was performed on PubMed and LILACS with the following terms: C9ORF72, MRI, SPECT, PET, ALS, FTD. No filters were added. Results: Twenty articles were selected. Most studies found consistent involvement of frontotemporal regions in C9ORF72 carriers, including prefrontal cortex, and also cingulate, subcortical regions, especially the thalami, and posterior regions such as the parietal and occipital lobes. Functional connectivity was also explored and impaired sensorimotor connectivity in striatum and thalami was found in behavioral variant FTD C9ORF72 carriers. Some papers have reported an absence of significant abnormalities on brain imaging. Conclusion: The inclusion of patients at different stages of the disease, differences in neuroimaging methods across studies, and distinct clinical phenotypes associated with C9ORF72 may account for the heterogeneity of results. PMID- 29213993 TI - Magnetic ressonance imaging in the diagnosis of Creutzfeldt-Jakob disease: Report of two cases. AB - Creutzfeldt-Jacob disease (CJD) is a rare condition caused by a pathogenic prion protein that evolves with rapidly progressive dementia and death. The clinical presentation may sometimes be misleading. Magnetic Resonance Imaging (MRI) aids diagnosis with patterns that can guide or confirm clinical hypotheses. Two cases of rapidly progressive dementia with ataxia, myoclonus and restricted diffusion on MRI in cortical/basal ganglia are presented to draw attention to CJD. PMID- 29213994 TI - Cadasil - genetic and ultrastructural diagnosis. Case report. AB - Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a hereditary disorder which affects the cerebral vasculature due to mutations in the NOTCH 3 gene. The diagnosis may be established through genetic testing for detection of these mutations and/or by skin biopsy. We report a case of the disorder in a female patient, who presented recurrent transient ischemic attacks that evolved to progressive subcortical dementia. Neuroimaging disclosed extensive leukoaraiosis and lacunar infarcts. The genetic analysis for NOTCH 3 was confirmatory. The ultrastructural examination of the skin biopsy sample, initially negative, confirmed the presence of characteristic changes (presence of granular osmiophilic material inclusions [GOM]), after the analysis of new sections of the same specimen. The present findings indicate that negative findings on ultrastructural examinations of biopsy should not exclude the diagnosis of the disease and that further analyses of the sample may be necessary to detect the presence of GOM. PMID- 29213995 TI - LRSim: A Linked-Reads Simulator Generating Insights for Better Genome Partitioning. AB - Linked-read sequencing, using highly-multiplexed genome partitioning and barcoding, can span hundreds of kilobases to improve de novo assembly, haplotype phasing, and other applications. Based on our analysis of 14 datasets, we introduce LRSim that simulates linked-reads by emulating the library preparation and sequencing process with fine control over variants, linked-read characteristics, and the short-read profile. We conclude from the phasing and assembly of multiple datasets, recommendations on coverage, fragment length, and partitioning when sequencing genomes of different sizes and complexities. These optimizations improve results by orders of magnitude, and enable the development of novel methods. LRSim is available at https://github.com/aquaskyline/LRSIM. PMID- 29213996 TI - Gut microbiota, epigenetic modification and colorectal cancer. AB - Micro-organisms contain 90% of cells in human body and trillions foreign genes versus less than 30 thousand of their own. The human colon host various species of microorganisms, appraised at more than 1014 microbiota and contained of over a thousand species. Although each one's profile is separable, the relative abundance and distribution of bacterial species is the same between healthy ones, causing conservation of each person's overall health. Germline DNA mutations have been attributed to the less than 5% of CRC occurrence while more than 90% is associated with the epigenetic regulation. The most ubiquitous environmental factor in epigenetic modification is gut microbiota. Disruptive changes in the gut microbiome strongly contributed to the improvement of colorectal cancer. Gut microbiota may play critical role in progression of CRC via their metabolite or their structural component interacting with host intestinal epithelial cell (IEC). Herein we discuss the mechanism of epigenetic modification and its implication in CRC development, progression even metastasis by gut microbiota induction. PMID- 29213997 TI - Cloning, optimization of induction conditions and purification of Mycobacterium tuberculosis Rv1733c protein expressed in Escherichia coli. AB - Background and Objectives: Rv1733c is a latency antigen from Mycobacterium tuberculosis, a probable integral-membrane protein with promiscuous T-cell and B cell epitopes, making it a potential vaccine candidate against tuberculosis. This study aimed to clone and optimize the expression of recombinant Rv1733c in Escherichia coli for purification. Materials and Methods: Chemically synthesized rv1733c coding sequence was cloned in pET-23a(+) followed by transforming E. coli BL21 (DE3) cells. To evaluate the induction conditions for optimized expression, factorial design of experiments was employed using four different media as well as four levels of isopropyl-b-D-thiogalactopyranosid [IPTG] concentration and duration of induction. The recombinant protein was then purified using a His-tag purification kit and detected through western blotting. Results: Recombinant Rv1733c (> 24 kDa) was expressed and accumulated in the cytoplasm of the E. coli cells. Medium composition showed the most significant effect on the yield of the recombinant protein (P = 0.000). The highest yield of recombinant Rv1733c occurred in the presence of 0.4 mM of IPTG in Terrific Broth medium (containing 1.2% tryptone, 2.4% yeast extract, 72 mM K 2 HPO 4 , 17 mM KH 2 PO 4 and 0.4% glycerol) after 10 h at 37 degrees C. Under these conditions, the expression level was around 0.5 g/L of culture medium. Purified Rv1733c was detected by an anti-polyhistidine antibody and a tuberculosis patient's serum. Systematic optimization of induction conditions gave us high yield of recombinant polyhistidine-tagged Rv1733c in E. coli which was successfuly purified. Conclusion: We believe that the purified Rv1733c recombinant protein from M. tuberculosis might be a good candidate for vaccine production against tuberculosis. PMID- 29213998 TI - Phenotypic and genetic characterization of beta-lactam resistance in Klebsiella from retail chicken meat in Mansoura, Egypt. AB - Background and Objectives: This study was undertaken to characterize antimicrobial resistance phenotypes and genes encoding extended spectrum beta lactamases (ESBLs) in Klebsiella isolated from retail chicken meat in Mansoura, Egypt. Materials and Methods: Three hundred sixty chicken meat samples from 120 eviscerated chicken carcasses (3 cuts each) collected randomly from local retail chicken shops in Mansoura, Egypt during the period from April to June 2015, were assayed for the presence of Klebsiella by conventional bacteriological methods. Antimicrobial sensitivity for 12 antimicrobials using disk diffusion, ESBL phenotypic confirmation and PCR characterization of ESBL-encoding genes (blaTEM , blaCTX-M , blaOXA , blaSHV and blaCMY ) were performed. Results: Klebsiella was identified from 22.2% (80/360) of the samples. Of the 12 antimicrobials tested, multidrug resistance (MDR; resistance to >=3 of the antimicrobial classes) was observed in 96.25% (77/80) of the Klebsiella isolates. All the isolates were resistant to cefotaxime, ceftriaxone and aztreonam. ESBL-producers were phenotypically confirmed in 48.75% (39/80) of the isolates. The highest values (0.75 and 0.67) of multiple antibiotic resistance (MAR) significantly occurred in ESBL-producing isolates. PCR findings showed a significantly higher occurrence of beta-lactamase encoding genes in ESBL (94.9%, 37/39) than non-ESBL producing isolates (4.9%, 2/41). The distribution of blaTEM , blaCTX-M and blaOXA among ESBL-producing isolates was 84.6%, 30.8% and 25.6%, respectively. Conclusion: Efficient monitoring and tracking of MDR, especially beta-lactam resistance, in food sources is essential to predict the potential hazards for human infections. PMID- 29213999 TI - Genetic and phenotypic study of methicillin-resistant Staphylococcus aureus among patients and health care workers in Mansoura University Hospital, Egypt. AB - Background and Objectives: Staphylococcus aureus is common pathogen that is associated with many hospital acquired infections. The virulence of S. aureus is identified with resistance to antibiotics especially to methicillin. Therefore the aims of the present study were to detect the carrier rates of methicillin resistant S. aureus (MRSA) among health care Workers (HCWs) and patients and to compare use of specific chromogenic agar for MRSA culture with PCR for detection of MRSA genes. Materials and Methods: Samples obtained were subjected to full microbiological laboratory studies involving culture on specific chromogenic medium and antibiotics susceptibility testing for detection of MRSA and their resistance rates to other commonly used antibiotics. Furthermore multiplex PCR was carried out to detect SCCmecA genes. Results: Staphylococcus aureus was isolated from 70 (29.9%) of the studied subjects. MRSA isolates (n=28) had high resistance rates for the used antibiotics and the most common resistance was for ciprofloxacin and chloramphenicol (57.1% for each). MRSA was isolated mainly from health care workers (17.02%). The frequency of SCCmecA was 60.7% for type I, 25% for type III and 14.3% for type II. Chromogenic agar identified correctly MRSA isolates in 92.9%. PCR was positive in all isolates with resistance to cefoxitin disc. Conclusions: The present study highlights that MRSA carriage is common among health care workers in one Egyptian tertiary care hospital. The major genotype of MRSA is belonging to SCCmecA type I followed by type III and type II. ChromID medium is an accurrate culture method for detection of MRSA compared to molecular method. PMID- 29214000 TI - Role of antigen-43 on biofilm formation and horizontal antibiotic resistance gene transfer in non-O157 Shiga toxin producing Escherichia coli strains. AB - Background and Objectives: The objectives of this study were to evaluate the antibiotic resistance profiles, biofilm formation, presence of antigen 43 (Ag43) gene, and transfer of antibiotic resistance phenotype among non-O157 Shiga toxin producing Escherichia coli (STEC). Materials and Methods: From October 2014 to November 2015 a total of 276 stool samples were collected from healthy calves, goats and 395 patients with the sign of nonbloody diarrhea and screened for presence of stx and serotype O157 genes by polymerase chain reaction (PCR) technique. Susceptibility to 14 antibiotics was determined as per CLSI guideline. Presence of Ag43 and intimin (eaeA) genes were detected by PCR. Biofilm formation was measured by microtiter plate method. Conjugation was carried out by membrane filter technique. Results: We isolated 74 (93.6%) non-O157 STEC strains from 41 calves, 33 goats and 5 (6.3%) patients' stools, however, no O157 serotype was detected in our study. Resistance was observed most commonly to tobramycin (66.2%), kanamycin (48.6%), and amikacin (29.7%) and less frequently to ciprofloxacin (4.1%), amoxicillin-clavulanic acid (5.4%), and ceftriaxone (9.5%) in isolates recovered from calves and goats fecal samples, whereas, all human isolates were sensitive to ceftazidime, ciprofloxacin, tobramycin and imipenem, respectively. Furthermore, Ag43 was detected in 60 STEC isolated from animals and 5 human origins (no eaeA gene was found in this study). Biofilm formation from Ag43+ and Ag43- colonies showed 20 isolates with strong biofilm activities. Cefotaxime resistance phenotype was transferred to E. coli ATCC 25922.1 (Nalr) by conjugation at a frequency of 1.6*10-4. Conclusion: From the above results we concluded that, human infections with non-O157 STEC were significantly low in Kerman. Ag43 was insignificant with biofilm quantity in most cases. PMID- 29214001 TI - Evaluating the relationship between serum immunoglobulin G (IgG) and A (IgA) anti CagA antibody and the cagA gene in patients with dyspepsia. AB - Background and Objectives: The cytotoxin-associated gene (cag) pathogenicity island is reported to be a major virulence factor of Helicobacter pylori infection. It is previously reported that the cagA-positive strains are more virulent, so it can be postulated that the cagA-positive gastritis will be more severe and the serum immunoglobulin G (IgG) and A(IgA) anti-CagA antibody titer will be higher. The aim of this study was to compare the relationship between IgG and IgA anti-CagA antibody and the cagA gene expression in patients with dyspepsia. Serum samples obtained from 130 dyspeptic patients with positive H. pylori in histological and Geimsa staining were tested for serum IgG and IgA anti CagA antibody using the enzyme-linked immunosorbent Assay. The expression of the cagA gene was determined using PCR on the biopsy samples, taken via endoscopy. Results: In our material, the sensitivity of IgG anti-CagA antibody in identifying patients with a proven infection with the cagA-positive strains was 97.67%, and the negative likelihood ratios was 0.06. There was not significant correlation between serum IgA anti-CagA and the expression of the cagA gene among the dyspeptic patients. Conclusion: The IgG antibody titer was significantly higher in our patients with the cagA-positive H. pylori strain. However, in daily practice, the level of the IgG antibody titer cannot predict whether or not an individual carries a cagA-positive H. pylori strain, because there is a major overlap in the IgG antibody titer between the cagA-positive and cagA-negative patients. PMID- 29214002 TI - Antibacterial activity of poly-l-arginine under different conditions. AB - Background and Objectives: Arginine-rich peptides are an important class of antimicrobial peptides (AMPs) that exert their antibacterial activity via a lytic mechanism. Although the antibacterial activity of arginine-rich peptides has been already evaluated, no reports have so far been evaluated the influence of reaction conditions on their antimicrobial potential. The aim of the present study was to investigate the influence of pH, temperature, and glycine on antibacterial activity of poly-l-arginine (PLA) with a molecular weight of 5-15 kDa against Escherichia coli O157:H7 and Staphylococcus aureus. Materials and Methods: The percentage of growth inhibition of PLA against both bacteria was analyzed at various pH, temperatures and sub-inhibitory concentrations of glycine by two-fold broth microdilution method. Results: The results showed that PLA had antibacterial activity against E. coli O157:H7 and S. aureus and the inhibitory effect increased with increasing PLA concentration. The antimicrobial activity of PLA against both microorganisms was higher in basic media than under acidic or neutral conditions. At 1/2 times the MIC, heat treatment intensified the toxicity of PLA against E. coli O157:H7 whereas the susceptibility to PLA seems to be temperature independent for S. aureus. The MICs of glycine against E. coli O157:H7 and S. aureus were 12.5 and 25 mg ml-1, respectively. The antibacterial activity of PLA against both microorganisms increased, as indicated by the increasing growth inhibition percentage of this peptide with increasing glycine concentration. Conclusion: The antibacterial activity of PLA against S. aureus and E. coli O157:H7 depends on pH and glycine concentration. PMID- 29214003 TI - No molecular evidence of Borna disease virus among schizophrenia and bipolar disorder patients in Iran. AB - Background and Objectives: Viruses have been suggested as one of the risk factors for psychiatric disorders. Among infectious agents Borna disease virus (BDV) has been known as a neurotropic virus which is able to cause neurological disorders in different animals. Recently there were controversial findings about BDV association with pathogenesis of human psychotic disorders. Materials and Methods: Here we performed a nested reverse transcription polymerase chain reaction for detection of BDV P40 RNA in peripheral blood mononuclear cell samples of schizophrenia (SC), bipolar disorder (BD) patients and healthy controls (HCs). Results: Only one out of 120 (0.8 %) psychiatric patients and two samples (2.7%) in 75 HCs showed positive results. There were no significant molecular evidence of BDV infection in 120 psychotic patients (60 SC and 60 BD) and 75 matched HCs. Conclusion: Our findings showed no association between BDV infection and pathogenesis of these psychiatric disorders. This is an interesting issue given both the as yet un-clarified role of BDV in human mental disorders and addressing patients in the so far under-investigating Middle East era. PMID- 29214004 TI - Prevalence of cryptococcal antigen positivity among HIV infected patient with CD4 cell count less than 100 of Imam Khomeini Hospital, Tehran, Iran. AB - Background and Objectives: Cryptococcal meningitis is one of the main opportunistic infections associated with human immunodeficiency virus (HIV) infection. Despite the present and increasingly availability of specific treatment for cryptococcosis, the mortality rate of this infection is still high, particularly in patients with advanced immunsupression and advanced cryptococcal diseases. Materials and Methods: This Prospective Cohort study was conducted at Imam Khomeini hospital in Tehran, Iran. Serum cryptococcal antigen was detected using the Lateral Flow Assay (LFA) There were 86 HIV-infected patients included in this study. Results: There were 86 HIV-infected patients in this study. The prevalence of positive serum cryptococcal antigen was 0% (0 of 86). Conclusion: The prevalence of cryptococcal infection among patients with advanced acquired immunodeficiency syndrome (AIDS) in the Iran is very low (<3%) thus the screening test for cryptococcal antigenemia dose not save lives and is not cost-effective in Iranian population. PMID- 29214005 TI - Semantics-Powered Healthcare Engineering and Data Analytics. PMID- 29214006 TI - Biomechanics in Musculoskeletal Health. PMID- 29214007 TI - Cytokine levels and associations with symptom severity in male and female children with autism spectrum disorder. AB - Background: Autism spectrum disorders (ASDs) are complex, pervasive, and heterogeneous neurodevelopmental conditions with varying trajectories, significant male bias and largely unknown etiology. However, an understanding of the biological mechanisms driving pathophysiology is evolving. Immune system aberrations, as identified through cytokine profiles, are believed to have a role in ASD. Altered cytokine levels may facilitate identification of ASD subtypes as well as provide biological markers of response to effective treatments. Research exploring the relationship between cytokine profiles and ASD symptoms is, however, in its infancy. The objective of this study was to explore relationships between cytokine levels and the severity of ASD and other clinical traits. Methods: Multiplex assay techniques were used to measure levels of 27 cytokines in plasma samples from a cohort of 144 children diagnosed with ASD. Results: Overall, results showed a significant negative association between platelet derived growth factor (PDGF)-BB, and the severity of ASD symptoms. Furthermore, a significant interaction with sex suggested a different immune profile for females compared to males. ASD symptom severity was negatively associated with levels of 4 cytokines, IL-1beta, IL-8, MIP-1beta, and VEGF, in females, but not in males. Conclusions: Results of the present study suggest that an altered cytokine response or profile is associated with the severity of ASD-related symptoms, with sex a potential modifier of this relationship. Further research in larger populations which recognizes the importance of sex comparisons and longitudinal assessments are now required to extend and further describe the role of the immune system in ASD. PMID- 29214008 TI - Comparing growth in surface and cave morphs of the species Astyanax mexicanus: insights from scales. AB - Background: Life in the darkness of caves is accompanied, throughout phyla, by striking phenotypic changes including the loss or severe reduction in eyes and pigmentation. On the other hand, cave animals have undergone constructive changes, thought to be adaptive, to survive in this extreme environment. The present study addresses the question of the evolution of growth in caves, taking advantage of the comparison between the river-dwelling and the cave-dwelling morphs of the Mexican tetra, Astyanax mexicanus. Results: A sclerochronology approach was undertaken to document the growth of the species in these two very distinct habitats. Scales from 158 wild Astyanax mexicanus specimens were analyzed from three caves (Pachon, Tinaja and Subterraneo) and two rivers (Rio Gallinas and Arroyo Lagarto) in San Luis Potosi and Tamaulipas, Mexico. A 10-13% reduction in scales size was observed in the cave morphs compared to the surface morphs. Age could be reliably inferred from annual growth increments on the scales from the two morphs of the species. Further comparisons with growth curves in laboratory conditions, obtained using the von Bertalanffy growth model, were also performed. In the wild and in the laboratory, cavefish originating from the Pachon cave reached smaller sizes than surface fish from three different locations: Rio Gallinas and Arroyo Lagarto (wild sampling) and Texas (laboratory population), respectively. Wild Pachon cavefish also seemed to grow to smaller sizes than the two other wild cavefish populations studied, Tinaja and Subterraneo. Finally, growth in the laboratory was faster than in the wild, particularly in the two first years of life. Conclusions: These data suggest that cavefish originating from the Pachon cave are subjected to an intrinsic limitation of their final size, which is at least in part independent from energy/food availability. This growth limitation may be an advantageous way of limiting energy expenditure and food needs in the cave environment. Moreover, growth regulation evolved differently in independently evolved cave populations. These results are discussed with regard to the sources of energy or general ecological conditions present in caves, and to the differences in behavior or feeding skills known in cavefish. PMID- 29214009 TI - The role of HoxA11 and HoxA13 in the evolution of novel fin morphologies in a representative batoid (Leucoraja erinacea). AB - Background: Batoids exhibit unique body plans with derived fin morphologies, such as the anteriorly expanded pectoral fins that fuse to the head, or distally extended anterior pelvic fin lobes used for a modified swimming technique utilized by skates (Rajidae). The little skate (Leucoraja erinacea), exhibits both of these unique fin morphologies. These fin modifications are not present in a typical shark body plan, and little is known regarding the mechanisms underlying their development. A recent study identified a novel apical ectodermal ridge (AER) associated with the development of the anterior pectoral fin in the little skate, but the role of the posterior HoxA genes was not featured during skate fin development. Results: We present the first evidence for HoxA expression (HoxA11 and HoxA13) in novel AER domains associated with the development of three novel fin morphologies in a representative batoid, L. erinacea. We found HoxA13 expression associated with the recently described novel AER in the anterior pectoral fin, and HoxA11 expression in a novel AER domain in the anterior pelvic fin that we describe here. We find that both HoxA11 and HoxA13 are expressed in claspers, and while HoxA11 is expressed in pelvic fins and claspers, HoxA13 is expressed exclusively in developing claspers of males. Finally, HoxA11 expression is associated with the developing fin rays in paired fins. Conclusion: Overall, these results indicate that the posterior HoxA genes play an important role in the morphological evolution of paired fins in a representative batoid. These data suggest that the batoids utilize a unique Hox code, where the posterior HoxA genes exhibit distinct expression patterns that are likely associated with specification of novel fin morphologies. PMID- 29214010 TI - Giant cell tumour of the distal radius/ulna: response to pre-operative treatment with short-term denosumab. AB - Background: Treatment of giant cell tumour of bone (GCTB) of the distal radius/ulna poses a surgical challenge, as complex reconstructive surgery may be required. This study evaluates the clinical, radiological and pathological findings in five cases of GCTB of the distal forearm where a 3 month course of denosumab was given prior to surgery. Methods: Patients with biopsy proven distal forearm GCTB, treated for 3 months with denosumab, followed by salvage surgery (curettage and cementation) were included. Wrist pain and function were assessed using the modified Mayo Wrist Score (MMWS). Plain radiographs, MRI and PET/CT were performed pre-treatment and 2 months after initiation of denosumab therapy. Histological comparison was made between the original biopsy and surgical curettage specimens. Results: Five patients with an average age of 25 years were included in the study. Improvement in wrist pain and function was seen in all patients with the average MMWS increasing from 30 pre-treatment to 85 at 3 months. Plain radiographs demonstrated marginal sclerosis in all cases with reconstitution of cortical and subarticular bone by 2 months; internal matrix sclerosis and osseous consolidation was more variable. Increased tumour heterogeneity and low signal were observed on T2-weighted MR images. PET/CT revealed a decrease in average SUV from 14.8 pre-treatment to 4.7 at 2 months. Histology showed disappearance of osteoclasts and increased fibro-osseous tissue. Denosumab treatment has the potential to facilitate salvage surgery, thus avoiding bone resection and graft reconstruction. A good outcome was achieved apart from local recurrence in one case. Follow up ranged from 17 to 54 months. Conclusion: Distal forearm GCTB responds clinically, radiologically and histologically to a short course of pre-operative denosumab therapy, which has the potential to facilitate salvage surgery. PMID- 29214011 TI - Long non-coding RNA H19 regulates E2F1 expression by competitively sponging endogenous miR-29a-3p in clear cell renal cell carcinoma. AB - Background: Numerous recent studies indicate that the long non-coding RNAs (lncRNAs) are frequently abnormal expressed and take critical roles in many cancers. Renal cell carcinoma is the secondary malignant tumors in the urinary system and has high mortality and morbidity. Around 80% of RCCs is clear cell renal cell carcinoma (ccRCC) and is characterized by high metastasis and relapse rate. However, the clinical significances of lncRNAs in ccRCC are still unknown. Methods: The human cancer lncRNA PCR array (Yingbio) was performed to detect the differentially expressed lncRNAs in human ccRCC samples. Real-time PCR (RT-PCR), dual-luciferase assay, RNA binding protein immunoprecipitation (RIP) assay, transwell assay, CCK-8 assay, and western blot were performed to explore the molecular mechanism of lncRNAs in ccRCC cell migration and invasion. Results: In this study, lncRNA-H19 was high expressed and negatively correlated with miR-29a 3p in ccRCC. By bioinformatics software, dual-luciferase reporter and RIP assays, we verified that miR-29a-3p was identified as a direct target of lncRNA-H19. RT PCR and western blot demonstrated that down-regulated lncRNA-H19 could affect the expression of miR-29a-3p targeting E2F1 with competitively binding miR-29a-3p. Furthermore, transwell assays indicated that lncRNA-H19 knockdown inhibited cells migration and invasion, but this effect was attenuated by co-transfection of lncRNA-H19 siRNA and miR-29a-3p inhibitor. Over expression of E2F1 could rescue lncRNA-H19 siRNA induced suppression on cell migration and invasion in ccRCC cells. Conclusions: These results show a possible competing endogenous RNAs regulatory network involving lncRNA-H19 regulates E2F1 expression by competitively sponging endogenous miR-29a-3p in ccRCC. This mechanism may contribute to a better understanding of ccRCC pathogenesis, and lncRNA-H19 may be further considered as a potential therapeutic target for ccRCC intervention. PMID- 29214012 TI - Evidence of the efficacy and safety of house dust mite subcutaneous immunotherapy in elderly allergic rhinitis patients: a randomized, double-blind placebo controlled trial. AB - Background: Allergen specific immunotherapy (AIT) in elderly patients is controversial, and there is still little evidence supporting the safety and efficacy of this treatment in this population. The study objective was to evaluate the safety and efficacy of AIT for house dust mite allergens in patients over 65 years of age with allergic rhinitis (AR) and a documented allergy to house dust mites. The primary endpoint was the change from baseline in the mean average adjusted symptom score (AAdSS) and the total combined rhinitis score (TCRS) difference in the least square means for the label compared to placebo. Methods: Fifty-eight AR elderly patients who were monosensitized to house dust mites were individually randomized in comparable numbers to one of two parallel groups with the following interventions: 2 years of perennial AIT using PURETHAL Mites or placebo. The symptoms and medication scores were presented as the AAdSS and TCRS. Quality of life, based on the rhinoconjunctivitis quality of life questionnaire (RQLQ), nasal allergen provocation responsiveness, serum allergen specific IgG4 to D. pteronyssinus and D. farinae and Der p1 and Der p2 were monitored. The intent-to-treat population was analysed. Results: After 24 months of AIT, AAdSS significantly decreased from 4.27 +/- 1.58 to 1.82 +/- 0.71 (p < 0.05). The TCRS was significantly decreased after 2 years of AIT. Serum-specific IgG4 against D. pteronyssinus, D. farinae, Der p1, and Der p2 increased during the AIT trial in the study group. The RQLQ score was significantly improved in patients who received AIT, from 1.86 (95% CI 1.51-1.78) to 1.26 (95% CI 1.09 1.55). Two mild systemic anaphylactic reactions (degree I) were reported after injections in the active group during the AIT therapy. Conclusion: The DBPC trial showed AIT for house dust mite allergens was effective and safe in elderly patients with allergic rhinitis. Trial registration: This randomized, double blinded placebo-controlled (DBPC) trial was conducted at one centre (ClinicalTrials.gov no. NCT03209245). PMID- 29214013 TI - Prediction and prevention of allergy and asthma in EAACI journals (2016). AB - The European Academy of Allergy and Clinical Immunology (EAACI) owns three journals: Allergy, Pediatric Allergy and Immunology and Clinical and Translational Allergy. One of the major goals of EAACI is to support health promotion in which prevention of allergy and asthma plays a critical role and to disseminate the knowledge of allergy to all stakeholders including the EAACI junior members. PMID- 29214014 TI - Influence of perceived difficulty of cases on student osteopaths' diagnostic reasoning: a cross sectional study. AB - Background: Diagnostic reasoning refers to the cognitive processes by which clinicians formulate diagnoses. Despite the implications for patient safety and professional identity, research on diagnostic reasoning in osteopathy remains largely theoretical. The aim of this study was to investigate the influence of perceived task difficulty on the diagnostic reasoning of students osteopaths. Methods: Using a single-blinded, cross sectional study design, sixteen final year pre-registration osteopathy students diagnosed two standardized cases under two context conditions (complex versus control). Context difficulty was manipulated via verbal manipulation and case order was randomized and counterbalanced across subjects to ensure that each case was diagnosed evenly under both conditions (i.e. half of the subjects performed either case A or B first). After diagnosis, participants were presented with items (literal, inferred and filler) designed to represent analytical and non-analytical reasoning. Response time and error rate for each item were measured. A repeated measures analysis of variance (concept type x context) was performed to identify differences across conditions and make inferences on diagnostic reasoning. Results: Participants made significantly more errors when judging literal concepts and took significantly less time to recognize filler concepts in the complex context. No significant difference in ability to judge inferred concepts across contexts was found. Conclusions: Although speculative and preliminary, our findings suggest the perception of complexity led to an increased reliance on analytical reasoning at the detriment of non-analytical reasoning. To reduce the associated cognitive load, osteopathic educational institutions could consider developing the intuitive diagnostic capabilities of pre-registration students. Postgraduate mentorship opportunities could be considered to enhance the diagnostic reasoning of professional osteopaths, particularly recent graduates. Further research exploring the influence of expertise is required to enhance the validity of this study. PMID- 29214015 TI - Effect of spinal manipulative treatment on cardiovascular autonomic control in patients with acute low back pain. AB - Background: This study aimed to quantify the effect of spinal manipulative treatment (SMT) from an analysis of baroreflex, systolic blood pressure and heart rate variability (HRV) on patients with acute back pain. It was hypothesized that SMT would increase the parasympathetic cardiovascular autonomic control. Methods: Twenty-two patients with acute back pain were randomly divided into two groups: one receiving sham treatment (Sham) and the other receiving SMT. Recordings were completed during the first day and the seventh day, immediately before and after treatment on both days. ECG and systolic blood pressure were continuously recorded to compute cardiovascular variability and baroreflex sensitivity components. The perceived level of pain was measured with the numeric pain scale (NPS) 48 h before, just before and just after each treatment. The NPS ranged from 0 to 100% (peak of pain before treatment). ECG and systolic blood pressure recordings were analyzed in time frequency domain using the Smoothed pseudo Wigner-Ville distribution. Results: Root mean square of the successive differences, high frequency power of the heart rate variability, and high frequency baroreflex sensitivity differences between post and pre tests were higher in the SMT group than in the Sham group (p < 0.01), whereas no differences were observed with the other heart rate variability components. Also, no differences were observed with the systolic blood pressure components. Although the estimated pain scale values decreased over time, no difference was observed between the SMT and Sham groups. Conclusions: This seems to be the first study to assess the effect of SMT on both heart rate variability and baroreflex sensitivity in patients with acute back pain. SMT can be seen to provoke an increase in parasympathetic control known to relate to a person's healthy state. Thus, cardiovascular variability analysis may be a useful tool for clinicians to quantify and objectify the beneficial effects of spinal manipulation treatment. PMID- 29214016 TI - Genotypic characterization of gentamicin and cephalosporin resistant Escherichia coli isolates from blood cultures in a Norwegian university hospital 2011-2015. AB - Background: Cephalosporin resistance in clinical E. coli isolates is increasing internationally. The increase has been caused by virulent and often multidrug resistant clones, especially the extended spectrum beta-lactamase (ESBL) producing E. coli clone O25b-ST131. Methods: In Norway, recommended empirical treatment of sepsis consists of gentamicin and penicillin combined, or a broad spectrum cephalosporin. To investigate if increased gentamicin and cephalosporins resistance rates in our hospital could be caused by specific clones, we conducted a retrospective study on E. coli blood culture isolates from 2011 through 2015. All E. coli isolates non-susceptible to gentamicin and/or third-generation cephalosporins were genotyped using multiple-locus variable-number of tandem repeat analysis (MLVA) and compared with antibiotic susceptible isolates. The frequency of the most common genes causing ESBL production (blaCTX-M, blaampC) was examined by Real-Time PCR. Results: A total of 158 cephalosporin and/or gentamicin resistant and 97 control isolates were differentiated into 126 unique MLVA types. Of these, 31% of the isolates belonged to a major MLVA cluster consisting of 41% of the gentamicin resistant and 35% of the cephalosporin resistant isolates. The majority (65/80 isolates) of this MLVA cluster contained MLVA types associated with the E. coli O25b-ST131 clone. Genes encoding CTX-M enzyme phylogroups 1 and 9 occurred in 65% and 19% of cephalosporin resistant isolates, respectively, whereas blaampC-CIT was identified in 3%. Conclusion: No local E. coli bacteraemia clone was identified. Antibiotic resistance was dispersed over a variety of genotypes. However, association with the international E. coli O25b-ST131 clone was frequent and may be an important driver behind increased resistance rates. Monitoring and preventing dissemination of these resistant clones are important for continued optimal treatment. PMID- 29214017 TI - Morphological bactericidal fast-acting effects of peracetic acid, a high-level disinfectant, against Staphylococcus aureus and Pseudomonas aeruginosa biofilms in tubing. AB - Background: The bactericidal effect of disinfectants against biofilms is essential to reduce potential endoscopy-related infections caused by contamination. Here, we investigated the bactericidal effect of a high-level disinfectant, peracetic acid (PAA), against Staphylococcus aureus and Pseudomonas aeruginosa biofilm models in vitro. Methods: S. aureus and P. aeruginosa biofilms were cultured at 35 degrees C for 7 days with catheter tubes. The following high level disinfectants (HLDs) were tested: 0.3% PAA, 0.55% ortho-phthalaldehyde (OPA), and 2.0% alkaline-buffered glutaraldehyde (GA). Biofilms were exposed to these agents for 1-60 min and observed after 5 min and 30 min by transmission and scanning electron microscopy. A Student's t test was performed to compare the exposure time required for bactericidal effectiveness of the disinfectants. Results: PAA and GA were active within 1 min and 5 min, respectively, against S. aureus and P. aeruginosa biofilms. OPA took longer than 10 min and 30 min to act against S. aureus and P. aeruginosa biofilms, respectively (p < 0.01). Treatment with PAA elicited changes in cell shape after 5 min and structural damage after 30 min. Conclusions: Amongst the HLDs investigated, PAA elicited the most rapid bactericidal effects against both biofilms. Additionally, treatment with PAA induced morphological alterations in the in vitro biofilm models, suggesting that PAA exerts fast-acting bactericidal effects against biofilms associated with endoscopy-related infections. These findings indicate that the exposure time for bactericidal effectiveness of HLDs for endoscope reprocessing in healthcare settings should be reconsidered. PMID- 29214018 TI - Transcriptional changes in mesenteric and subcutaneous adipose tissue from Holstein cows in response to plane of dietary energy. AB - Background: Dairy cows can readily overconsume dietary energy during most of the prepartum period, often leading to higher prepartal concentrations of insulin and glucose and excessive body fat deposition. The end result of these physiologic changes is greater adipose tissue lipolysis post-partum coupled with excessive hepatic lipid accumulation and compromised health. Although transcriptional regulation of the adipose response to energy availability is well established in non-ruminants, such regulation in cow adipose tissue depots remains poorly characterized. Results: Effects of ad-libitum access to high [HIGH; 1.62 Mcal/kg of dry matter (DM)] or adequate (CON; 1.35 Mcal/kg of DM) dietary energy for 8 wk on mesenteric (MAT) and subcutaneous (SAT) adipose tissue transcript profiles were assessed in non-pregnant non-lactating Holstein dairy cows using a 13,000 sequence annotated bovine oligonucleotide microarray. Statistical analysis revealed 409 and 310 differentially expressed genes (DEG) due to tissue and diet. Bioinformatics analysis was conducted using the Dynamic Impact Approach (DIA) with the KEGG pathway database. Compared with SAT, MAT had more active biological processes related to adipose tissue accumulation (adiponectin secretion) and signs of pro-inflammatory processes due to adipose tissue expansion and macrophage infiltration (generation of ceramides). Feeding the HIGH diet led to changes in mRNA expression of genes associated with cell hypertrophy (regucalcin), activation of adipogenesis (phospholipid phosphatase 1), insulin signaling activation (neuraminidase 1) and angiogenesis (semaphorin 4G, plexin B1). Further, inflammation due to HIGH was underscored by mRNA expression changes associated with oxidative stress response (coenzyme Q3, methyltransferase), ceramide synthesis (N-acylsphingosine amidohydrolase 1), and insulin signaling (interferon regulatory factor 1, phosphoinositide-3-kinase regulatory subunit 1, retinoic acid receptor alpha). Activation of ribosome in cows fed HIGH indicated the existence of greater adipocyte growth rate (M-phase phosphoprotein 10, NMD3 ribosome export adaptor). Conclusions: The data indicate that long-term ad libitum access to a higher-energy diet led to transcriptional changes in adipose tissue that stimulated hypertrophy and the activity of pathways associated with a slight but chronic inflammatory response. Further studies would be helpful in determining the extent to which mRNA results also occur at the protein level. PMID- 29214020 TI - A quick and selected overview of the expert panel on effective ways of investing in health. AB - The European Commission created the Expert Panel on Effective Ways of Investing in Health (EXPH) in 2012. The EXPH started its activities in July 2013 and ended its first term in May 2016. A personal review of the Expert Panel contributions in its first term is provided. PMID- 29214019 TI - PKM2 is not required for colon cancer initiated by APC loss. AB - Background: Cancer cells express the M2 isoform of the glycolytic enzyme pyruvate kinase (PKM2). PKM2 expression is not required for some cancers, and PKM2 loss can promote cancer progression; however, PKM2 has been reported to be essential in other tumor contexts, including a proposed non-metabolic role in beta-catenin nuclear translocation. PKM2 is expressed in colon cancers where loss of the Apc tumor suppressor results in beta-catenin nuclear translocation and aberrant activation of the canonical Wnt signaling pathway. Whether PKM2 is required in this colon cancer context has not been investigated. Results: Colon tumorigenesis was induced in mice harboring conditional Apc and Pkm2 alleles, and tumor progression was monitored by serial colonoscopy. PKM2 deletion had no effect on overall survival, the number of mice that developed tumors, or the number of tumors that developed per animal. Immunohistochemical analysis demonstrated PKM2 expression in wild-type tumors and the expected loss of PKM2 expression in tumors from Pkm2 conditional mice. Loss of PKM2 resulted in pyruvate kinase M1 expression but had no effect on nuclear beta-catenin staining. These findings are consistent with tumor growth and activated Wnt signaling despite PKM2 loss in this model. We also found a large fraction of human colon cancers had very low or undetectable levels of PKM2 expression. Conclusions: PKM2 is not required for Apc deficient colon cancer or for nuclear translocation of beta-catenin in Apc-null tumor cells. These findings suggest that PKM2 expression is not required for colon tumor formation or progression. PMID- 29214021 TI - A pilot study with early adolescents: dealing with diet, tobacco and air pollution using practical experiences and biological markers. AB - Background: Tobacco use and the Western diet are two of the most important and investigated topics in relation to adolescents' health. In addition, air pollution is a crucial subject for future generations. School is a key social environment that should promote healthy behaviors in children and adolescents. In this field many different programs have been conducted, with mixed results and effectiveness. Research data suggest that comprehensive and multicomponent approaches may have a greater effect on tobacco use and diet, especially when integrated into a community-wide approach. Methods: The present work describes a multi-area pilot study called "La Scuola della Salute" (the School of Health) with a focus on the methodological aspects of the intervention. In our study we assessed different web-based and practical experiences related to adolescents' smoking and dietary behaviors and awareness of smoke-related air pollution. Furthermore, to make adolescents more conscious of smoking and dietary behaviors, we conducted experiential workshops that addressed smoking and environmental pollution, food education, and lifestyle. Teachers and school administrators were involved in the project. Results: At baseline we investigated dietary habits, tobacco use, and individual and social characteristics by means of lifestyle questionnaires. In addition, we collected anthropometric parameters and performance indicators such as exhaled carbon monoxide and urinary fructose to assess smoking and nutrition habits. At the end of the intervention lifestyle questionnaire and biological markers were collected again: knowledge about these topics was significantly improved, and the urinary fructose was able to estimate the levels of obesity in the classes. Conclusions: The integrated approach, combined with the use of biological markers, could be an innovative approach to the promotion of healthy lifestyles among adolescents, but further research is needed. PMID- 29214022 TI - Advancing our understanding of the neurobiology of anorexia nervosa: translation into treatment. AB - A wealth of studies has investigated the neurobiological underpinnings of anorexia nervosa. In our letter to the editor, we point to a number of ways in which the advances in our understanding of the neurobiology of anorexia nervosa - focusing on neuroimaging studies of brain structure and function - can be translated into treatment. We point to how such advances can: inform psychological treatment, be implemented in psychoeducation, point to novel therapeutic targets, lead to the identification of biomarkers, and expand our vocabulary for how we think and talk about anorexia nervosa. PMID- 29214023 TI - Assessment and clinical management of bone disease in adults with eating disorders: a review. AB - Aim: To review current medical literature regarding the causes and clinical management options for low bone mineral density (BMD) in adult patients with eating disorders. Background: Low bone mineral density is a common complication of eating disorders with potentially lifelong debilitating consequences. Definitive, rigorous guidelines for screening, prevention and management are lacking. This article intends to provide a review of the literature to date and current options for prevention and treatment. Methods: Current, peer-reviewed literature was reviewed, interpreted and summarized. Conclusion: Any patient with lower than average BMD should weight restore and in premenopausal females, spontaneous menses should resume. Adequate vitamin D and calcium supplementation is important. Weight-bearing exercise should be avoided unless cautiously monitored by a treatment team in the setting of weight restoration. If a patient has a Z-score less than expected for age with a high fracture risk or likelihood of ongoing BMD loss, physiologic transdermal estrogen plus oral progesterone, bisphosphonates (alendronate or risedronate) or teriparatide could be considered. Other agents, such as denosumab and testosterone in men, have not been tested in eating-disordered populations and should only be trialed on an empiric basis if there is a high clinical concern for fractures or worsening bone mineral density. A rigorous peer-based approach to establish guidelines for evaluation and management of low bone mineral density is needed in this neglected subspecialty of eating disorders. PMID- 29214024 TI - Calcium-dependent ultrasound stimulation of secretory events from pancreatic beta cells. AB - Background: Our previous studies have indicated that ultrasound can stimulate the release of insulin from pancreatic beta cells, providing a potential novel treatment for type 2 diabetes. The purpose of this study was to explore the temporal dynamics and Ca2+-dependency of ultrasound-stimulated secretory events from dopamine-loaded pancreatic beta cells in an in vitro setup. Methods: Carbon fiber amperometry was used to detect secretion from INS-1832/13 beta cells in real time. The levels of released insulin were also measured in response to ultrasound treatment using insulin-specific ELISA kit. Beta cells were exposed to continuous wave 800 kHz ultrasound at intensities of 0.1 W/cm2, 0.5 W/cm2 and 1 W/cm2 for several seconds. Cell viability tests were done with trypan blue dye exclusion test and MTT analysis. Results: Carbon fiber amperometry experiments showed that application of 800 kHz ultrasound at intensities of 0.5 and 1 W/cm2 was capable of stimulating secretory events for durations lasting as long as the duration of the stimulus. Furthermore, the amplitude of the detected peaks was reduced by 64% (p < 0.01) when extracellular Ca2+ was chelated with 10 mM EGTA in cells exposed to ultrasound intensity of 0.5 W/cm2. Measurements of released insulin in response to ultrasound stimulation showed complete inhibition of insulin secretion by chelating extracellular Ca2+ with 10 mM EGTA (p < 0.01). Viability studies showed that 800 kHz, 0.5 W/cm2 ultrasound did not cause any significant effects on viability and metabolic activity in cells exposed to ultrasound as compared to sham-treated cells. Conclusions: Our results demonstrated that application of ultrasound was capable of stimulating the release of insulin from pancreatic beta cells in a safe, controlled and Ca2+ dependent manner. PMID- 29214025 TI - Are we missing opportunities? Physiotherapy and physical activity promotion: a cross-sectional survey. AB - Background: Physical activity (PA) promotion in healthcare is an important strategy for increasing PA levels. Physiotherapists are well-positioned to promote PA, however no studies have investigated PA promotion by physiotherapists Australia-wide. Methods: An online survey of practicing Australian physiotherapists was conducted to investigate knowledge of the Australian Physical Activity and Sedentary Behaviour (PASB) guidelines and factors associated with increased promotion frequency. Participants were asked to state the PASB guidelines and a 4-component scoring system was used to measure knowledge. Multivariate logistic regression analysis was conducted to assess factors associated with frequency of promotion. Results: 257 Australian physiotherapists completed the survey. Only 10% were able to accurately state the PASB guidelines and 54% reported promoting PA to 10 or more patients per month. Males were nearly three times more likely than females to promote PA to 10 or more patients per month (OR 2.68, 95% CI 1.25-5.74). Those who lacked counselling skills and felt PA promotion wouldn't change their patients' behaviour were much less likely to promote PA. Conclusion: Australian physiotherapists have poor knowledge of the Australian PASB guidelines and infrequently promote PA. Education and training in PA counselling and behaviour change strategies is indicated to enhance PA promotion by Australian physiotherapists. PMID- 29214026 TI - Evaluating treatment outcomes and durations among cases of smear-positive pulmonary tuberculosis in Yemen: a prospective follow-up study. AB - Background: Evaluating outcomes after tuberculosis (TB) treatment can help identify the primary reasons for treatment success or failure. However, Yemen has a treatment success rate that remains below the World Health Organization's target. This study aimed to identify factors that were associated with unsuccessful treatment and prolonged treatment (>1 year). Method: Newly diagnosed cases of smear-positive pulmonary TB were prospectively followed at two centers (Taiz and Alhodidah, Yemen) between April 2014 and March 2015. Standardized forms were used to obtain information from the patients regarding their socio demographic and clinical characteristics, treatment duration, and TB-related information. Multivariate logistic regression analyses were performed to identify factors that were associated with unsuccessful treatment and prolonged treatment (>1 year). Results: The study included data from 273 cases of newly diagnosed TB, with treatment being successful in 227 cases (83.1%) and unsuccessful in 46 cases (16.9%). Among the 46 patients with unsuccessful treatment, 29 patients (10.6%) stopped treatment, 6 patients (2.2%) transferred to another facility, 6 patients (2.2%) experienced treatment failure, and 5 patients (1.8%) died. The multivariate logistic regression analyses revealed that unsuccessful treatment was associated with female sex, illiterate status, and the presence of comorbidities. Prolonged treatment durations were associated with living in a rural area, smoking, chewing khat, a cough that lasted for >3 weeks at the beginning of treatment, and bilateral cavities during radiography. Conclusion: These results confirm that the treatment success rate in Yemen is lower than the World Health Organization's target for smear-positive pulmonary tuberculosis. Targeting the risk factors that we identified may help improve treatment outcomes. Furthermore, it may not be prudent to re-treat patients using first line TB drugs after an initial treatment failure. PMID- 29214027 TI - To what extent do prescribing practices for hypertension in the private sector in Zimbabwe follow the national treatment guidelines? An analysis of insurance medical claims. AB - Background: Hypertension is the most prevalent cardiovascular disease in Zimbabwe. The prevalence of Hypertension in the country is above 30% regardless of the cut off used. Currently, majority of patients in Zimbabwe seek health care from the private sector due to limited government funding for the public health sector. However, Standard treatment guidelines for hypertension are only available in the public sector and are optional in the private sector. This study assesses compliance of private sector prescribing to Standard Treatment guidelines for hypertension. Methods: We reviewed hypertension prescription claims to a private health insurance company in Zimbabwe for the period Jan 1-Dec 31 2015. We used the last prescription claimed in the year on the assumption that it represented the patient's current treatment. Prescription data was analyzed by comparing medicines prescribed to those recommended in the Zimbabwe 7th Essential Medicines List and Standard Treatment Guidelines 2015. We used Microsoft Excel(c) 2010 to conduct the analysis. Results: A total of 1019 prescriptions were reviewed. Most patients were either on mono or dual therapy (76%). The mostly prescribed class of antihypertensive as first line were Angiotensin Converting Enzyme Inhibitors /Angiotensin Receptor Blockers. Regardless of whether they were being used as first, second or third line this class of antihypertensives emerged as the most prescribed (639 times). Only 358 (35%) prescriptions were compliant with standard treatment guidelines; the rest (661) did not meet several criteria. Areas of non-compliance included use of second line medicines as first line, failure to consider patient characteristics when prescribing, use of contraindicated medicines for certain patients, clinically significant interactions among prescribed medicines and illogical combinations that predispose patients to toxicity. Conclusion: The poor compliance to standard treatment guidelines observed in our study indicates need to improve prescription practices for Hypertension in the private sector in Zimbabwe for its cost effective management among the covered patients. However, further investigation is needed to understand the drivers of the prescribing habits and the non compliance to the Essential Medicines List and Standard Treatment guidelines observed. This will enable design of appropriate educational, managerial and economic interventions to improve compliance. PMID- 29214028 TI - Reprogramming of a defense signaling pathway in rough lemon and sweet orange is a critical element of the early response to 'Candidatus Liberibacter asiaticus'. AB - Huanglongbing (HLB) in citrus infected by Candidatus Liberibacter asiaticus (CLas) has caused tremendous losses to the citrus industry. No resistant genotypes have been identified in citrus species or close relatives. Among citrus varieties, rough lemon (Citrus jambhiri) has been considered tolerant due to its ability to produce a healthy flush of new growth after infection. The difference between tolerance and susceptibility is often defined by the speed and intensity of a plant's response to a pathogen, especially early defense responses. RNA-seq data were collected from three biological replicates of CLas- and mock-inoculated rough lemon and sweet orange at week 0 and 7 following infection. Functional analysis of the differentially expressed genes (DEGs) indicated that genes involved in the mitogen activated protein kinase (MAPK) signaling pathway were highly upregulated in rough lemon. MAPK induces the transcription of WRKY and other transcription factors which potentially turn on multiple defense-related genes. A Subnetwork Enrichment Analysis further revealed different patterns of regulation of several functional categories, suggesting DEGs with different functions were subjected to reprogramming. In general, the amplitude of the expression of defense-related genes is much greater in rough lemon than in sweet orange. A quantitative disease resistance response may contribute to the durable tolerance level to HLB observed in rough lemon. PMID- 29214029 TI - Comparative associations between anthropometric and bioelectric impedance analysis derived adiposity measures with blood pressure and hypertension in India: a cross-sectional analysis. AB - Background: The utility of bioelectrical impedance analysis (BIA) derived adiposity measures as compared to anthropometric measures for the assessment of adiposity-related health risk is not clear. We aimed to clarify the relationships of BIA and anthropometric derived adipose measures with blood pressure and hypertension, and to compare the discriminative ability of the respective measures for hypertension. Methods: We used baseline data collected between 2015 and 2016 from the Indian Study on Health of Adults (ISHA), an ongoing population based cohort study in India (N = 5990; age 30-69 years). We examined and compared the associations and discriminative ability between anthropometric (body mass index, waist circumference, hip circumference, waist-hip ratio, waist-height ratio) and BIA (whole body and trunk fat percentage) derived adiposity measures with blood pressure components (systolic pressure, diastolic pressure, pulse pressure, mean arterial pressure, mid-blood pressure) and hypertension. Results: Regardless of whether the adiposity measure was derived from BIA or anthropometry, all were strongly and positively associated with blood pressure and hypertension. For both men and women, the magnitude of association of BIA measures with blood pressure and hypertension were comparable to those of anthropometric measures. Further, the ability of BIA derived adiposity measures to distinguish between those with and without hypertension was similar to the discriminative ability of anthropometric measures. Conclusions: As compared to simple anthropometric measures, BIA derived estimates of adiposity provide no apparent advantage in the assessment of blood pressure and hypertension. The observed similarities between adiposity measures suggest that simple anthropometrics may be sufficient to assess adiposity and adiposity-related risks. PMID- 29214030 TI - Prevalence and predictors of overweight and obesity among school-aged children in urban Ghana. AB - Background: Childhood overnutrition is a serious public health problem, with consequences that extend into adulthood. The aim of this study was to determine the prevalence and determinants of overweight and obesity among school-age children in two urban settings in Ghana. Methods: This cross-sectional study involved 3089 children (9-15 years) recruited between December 2009 and February 2012 in Accra and Kumasi, Ghana. Socio-demographic, dietary, and physical activity data were collected using pretested questionnaires. BMI-for-age z-scores were used to categorize anthropometric data of the children as thin, normal, or overweight/obese. Determinants of overweight were examined using multiple logistic regressions. Results: Seventeen percent of children were overweight or obese. Children who reported lower participation (< 3 times/week) in sports activity were 44% more likely to be overweight or obese (AOR = 1.44; 95% CI: 1.07, 1.94). Maternal tertiary education (AOR = 1.91, 95% CI: 1.07, 3.42), higher household socioeconomic status (AOR = 1.56, 95% CI: 1.18, 2.06), and attending private school (AOR = 1.74, 95% CI: 1.31, 2.32) were also associated with elevated risk of overweight and obesity. Conclusions: Physical inactivity is a modifiable independent determinant of overweight or obesity among Ghanaian school aged children. Promoting and supporting a physically active lifestyle in this population is likely to reduce risk of childhood overnutrition. PMID- 29214031 TI - PARP inhibitors as potential therapeutic agents for various cancers: focus on niraparib and its first global approval for maintenance therapy of gynecologic cancers. AB - Poly (ADP-ribose) polymerases (PARPs) are an important family of nucleoproteins highly implicated in DNA damage repair. Among the PARP families, the most studied are PARP1, PARP2 and PARP 3. PARP1 is found to be the most abundant nuclear enzyme under the PARP series. These enzymes are primarily involved in base excision repair as one of the major single strand break (SSB) repair mechanisms. Being double stranded, DNA engages itself in reparation of a sub-lethal SSB with the aid of PARP. Moreover, by having a sister chromatid, DNA can also repair double strand breaks with either error-free homologous recombination or error prone non-homologous end-joining. For effective homologous recombination repair, DNA requires functional heterozygous breast cancer genes (BRCA) which encode BRCA1/2. Currently, the development of PARP inhibitors has been one of the promising breakthroughs for cancer chemotherapy. In March 2017, the United States Food and Drug Administration (FDA) approved niraparib for maintenance therapy of recurrent gynecologic cancers (epithelial ovarian, primary peritoneal and fallopian tube carcinomas) which are sensitive to previous platinum based chemotherapy irrespective of BRCA mutation and homologous recombination deficiency status. It is the third drug in this class to receive FDA approval, following olaparib and rucaparib and is the first global approval for maintenance therapy of the aforementioned cancers. Niraparib preferentially blocks both PARP1 and PARP2 enzymes. The daily tolerated dose of niraparib is 300 mg, above which dose limiting grade 3 and 4 toxicities were observed. In combination with humanized antibody, pembrolizumab, it is also under investigation for those patients who have triple negative breast cancer. By and large, there are several clinical trials that are underway investigating clinical efficacy and safety, as well as other pharmacokinetic and pharmacodynamic profiles of this drug for various malignancies. PMID- 29214032 TI - New therapies for advanced, recurrent, and metastatic endometrial cancers. AB - Endometrial cancer is the most common gynecologic malignancy in the United States, accounting for 6% of cancers in women. In 2017, an estimated 61,380 women were diagnosed with endometrial cancer, and approximately 11,000 died from this disease. From 1987 to 2008, there was a 50% increase in the incidence of endometrial cancer, with an approximate 300% increase in the number of associated deaths. Although there are many chemotherapeutic and targeted therapy agents approved for ovarian, fallopian tube and primary peritoneal cancers, since the 1971 approval of megestrol acetate for the palliative treatment of advanced endometrial cancer, only pembrolizumab has been Food and Drug Administration (FDA)-approved for high microsatellite instability (MSI-H) or mismatch repair deficient (dMMR) endometrial cancer; this highlights the need for new therapies to treat advanced, recurrent, metastatic endometrial cancer. In this review, we discuss current and emerging treatment options for endometrial cancer, including chemotherapy, targeted therapy, and immunotherapy. The National Cancer Institute (NCI) and others are now focusing their efforts on the design of scientifically rational targeted therapy and immunotherapy trials for specific molecular phenotypes of endometrial cancer. This is essential for the advancement of cancer care for women, which is threatened by a severe enrollment decline of approximately 80% for gynecologic oncology clinical trials. PMID- 29214034 TI - Identification of biomarkers of response to abatacept in patients with SLE using deconvolution of whole blood transcriptomic data from a phase IIb clinical trial. AB - Objective: To characterise patients with active SLE based on pretreatment gene expression-defined peripheral immune cell patterns and identify clusters enriched for potential responders to abatacept treatment. Methods: This post hoc analysis used baseline peripheral whole blood transcriptomic data from patients in a phase IIb trial of intravenous abatacept (~10 mg/kg/month). Cell-specific genes were used with a published deconvolution algorithm to identify immune cell proportions in patient samples, and unsupervised consensus clustering was generated. Efficacy data were re-analysed. Results: Patient data (n=144: abatacept: n=98; placebo: n=46) were grouped into four main clusters (C) by predominant characteristic cells: C1-neutrophils; C2-cytotoxic T cells, B-cell receptor-ligated B cells, monocytes, IgG memory B cells, activated T helper cells; C3-plasma cells, activated dendritic cells, activated natural killer cells, neutrophils; C4 activated dendritic cells, cytotoxic T cells. C3 had the highest baseline total British Isles Lupus Assessment Group (BILAG) scores, highest antidouble-stranded DNA autoantibody levels and shortest time to flare (TTF), plus trends in favour of response to abatacept over placebo: adjusted mean difference in BILAG score over 1 year, -4.78 (95% CI -12.49 to 2.92); median TTF, 56 vs 6 days; greater normalisation of complement component 3 and 4 levels. Differential improvements with abatacept were not seen in other clusters, except for median TTF in C1 (201 vs 109 days). Conclusions: Immune cell clustering segmented disease severity and responsiveness to abatacept. Definition of immune response cell types may inform design and interpretation of SLE trials and treatment decisions. Trial registration number: NCT00119678; results. PMID- 29214035 TI - Cardiovascular risk profiles in a lupus cohort: what do different calculators tell us? AB - Background: Cardiovascular disease (CVD) is the leading cause of death worldwide and this risk is increased in patients with SLE who may not conform to traditional cardiovascular risk profiles. Aims: To determine the prevalence of high CVD risk among patients with SLE calculated using different risk calculators, and to characterise those identified as high risk. Methods: A cross sectional analysis to estimate CVD risk using the Framingham Risk Equation (Framingham score) and an SLE-specific CVD risk equation (SLE score) was undertaken using data from a single centre cohort. The characteristics of patients identified as 'high risk' by the SLE score only (the 'missed group') were compared with those identified by the Framingham score (the 'conventional group'). Results: 146 patients were included; 22 (15%) and 44 (30%) were determined to be at 'high risk' based on the Framingham and SLE scores, respectively. Patients in the 'missed group' were less likely to have traditional risk factors and were more likely to be female (81% vs 50%; p=0.03), younger (mean age 54 vs 69 years p<0.01) and have lower systolic blood pressure (132 vs 143 mm Hg; p=0.05). Of those deemed high risk, only a minority were treated to target blood pressure and lipid levels. Conclusions: A large proportion of patients with SLE could be re-classified as high risk using a formula that incorporates SLE disease-related parameters. These patients have different profiles to those identified using a conventional risk model. Optimal CVD risk assessment and management warrants further attention in SLE. PMID- 29214033 TI - Lupus-related single nucleotide polymorphisms and risk of diffuse large B-cell lymphoma. AB - Objective: Determinants of the increased risk of diffuse large B-cell lymphoma (DLBCL) in SLE are unclear. Using data from a recent lymphoma genome-wide association study (GWAS), we assessed whether certain lupus-related single nucleotide polymorphisms (SNPs) were also associated with DLBCL. Methods: GWAS data on European Caucasians from the International Lymphoma Epidemiology Consortium (InterLymph) provided a total of 3857 DLBCL cases and 7666 general population controls. Data were pooled in a random-effects meta-analysis. Results: Among the 28 SLE-related SNPs investigated, the two most convincingly associated with risk of DLBCL included the CD40 SLE risk allele rs4810485 on chromosome 20q13 (OR per risk allele=1.09, 95% CI 1.02 to 1.16, p=0.0134), and the HLA SLE risk allele rs1270942 on chromosome 6p21.33 (OR per risk allele=1.17, 95% CI 1.01 to 1.36, p=0.0362). Of additional possible interest were rs2205960 and rs12537284. The rs2205960 SNP, related to a cytokine of the tumour necrosis factor superfamily TNFSF4, was associated with an OR per risk allele of 1.07, 95% CI 1.00 to 1.16, p=0.0549. The OR for the rs12537284 (chromosome 7q32, IRF5 gene) risk allele was 1.08, 95% CI 0.99 to 1.18, p=0.0765. Conclusions: These data suggest several plausible genetic links between DLBCL and SLE. PMID- 29214037 TI - Correlation of hypogammaglobulinaemia with proteinuria, and the relationship between hypogammaglobulinaemia and infection in active lupus nephritis. AB - Objective: To evaluate hypogammaglobulinaemia and risk of serious infectious adverse events in active lupus nephritis. Methods: The Abatacept and Cyclophosphamide Combination Efficacy and Safety Study (ACCESS) compared abatacept with placebo in participants with lupus nephritis undergoing treatment with Euro-Lupus Nephritis low-dose cyclophosphamide. Serum IgG levels were assessed prior to initiation of treatment and throughout the trial. Hypogammaglobulinaemia was defined as IgG <450 mg/dL. Results: Hypogammaglobulinaemia was observed in 16/102 (15.7%) participants prior to initiation of induction therapy for active lupus nephritis. Participants with nephrotic range proteinuria were more likely to have hypogammaglobulinaemia, and serum IgG levels were inversely correlated with urine protein to creatinine ratio (r=-0.42, p<0.0001). Following initiation of treatment for active lupus nephritis, additional participants developed hypogammaglobulinaemia by weeks 2-4. Serum IgG levels then increased, and all but one participant had serum IgG >=450 mg/dL at 24 weeks. Hypogammaglobulinaemia was not associated with an increased risk of serious infectious adverse events. Conclusions: In active lupus nephritis in ACCESS, hypogammaglobulinaemia was common and inversely correlated with proteinuria. Serum IgG levels were lowest in the weeks immediately following initiation of induction therapy, and subsequently improved by 24 weeks. Hypogammaglobulinaemia was not associated with serious infectious adverse events. Trial registration: PMID- 29214036 TI - Strong viral associations with SLE among Filipinos. AB - Objectives: Epstein-Barr virus (EBV) is considered an important environmental factor in SLE aetiology, but the relationship between SLE and EBV in the Filipino population is unknown. We tested associations between SLE, lupus-associated autoantibodies and seropositivity for EBV and other herpes viruses in the Filipino population. Methods: Sera from Filipino patients with SLE (n=233), unaffected first-degree relatives (FDRs, n=543) and unrelated controls (n=221) were tested for antibodies against EBV, cytomegalovirus (CMV) and herpes simplex viruses (HSV-1 and HSV-2) by standardised ELISAs. Humoral specificity against EBV nuclear antigen (EBNA)-1 was compared by solid-phase epitope mapping. Autoantibodies were detected by a bead-based multiplex assay. Results were analysed by Fisher's exact test, Student's t-test, chi2 test and one-way analysis of variance, as appropriate for the question. Results: Filipino patients with SLE had increased seroprevalence and elevated antibody concentrations against EBV viral capsid antigen (EBV-VCA), CMV, HSV-1 and HSV-2 compared with unrelated controls (p<0.05). Seropositivity for anti-EBV early antigen (EA), a marker of EBV reactivation, was dramatically increased in patients with SLE compared with unrelated controls (92.3% vs 40.4%; OR 17.15(95% CI 10.10, 30.66), p<0.0001) or unaffected FDRs (49.4%; OR 12.04(7.42, 20.74), p<0.0001), despite similar seroprevalence of EBV-VCA in patients and FDRs. In patients with SLE, EBV-EA seropositivity correlated with lupus-associated autoantibodies (p<0.001), most notably with autoantibodies against dsDNA, chromatin, Sm, SmRNP and RNP A (p<0.01). Patient and unrelated control sera reacted to the highly repetitive glycine and alanine domain of EBNA-1. An epitope spanning EBNA-1410-420 was identified in sera of patients with SLE and showed limited binding by FDR and control sera. Conclusions: Filipino patients with SLE have elevated prevalence and concentrations of antibodies against EBV, CMV, HSV-1 and HSV-2 antigens, along with altered anti-EBNA-1 specificities. EBV reactivation is more common among Filipino patients with SLE compared with healthy Filipinos and may contribute to SLE pathogenesis in this population. PMID- 29214038 TI - Cell-bound complement activation products in SLE. AB - Diagnosis of SLE is based on clinical manifestations and laboratory findings. Timely diagnosis and treatment are important to control disease activity and prevent organ damage. However, diagnosis is challenging because of the heterogeneity in clinical signs and symptoms, and also because the disease presents with alternating periods of flare and quiescence. As SLE is an autoimmune disease characterised by the formation of autoantibodies, diagnostic immunology laboratory tests for detecting and quantifying autoantibodies are commonly used for the diagnosis and classification of SLE. These include ANA, anti-double-stranded DNA antibodies and anti-Smith antibodies, together with other antibodies such as antiphospholipid or anti-Cq1. Complement proteins C3 and C4 are commonly measured in patients with SLE, but their serum levels do not necessarily reflect complement activation. Cell-bound complement activation products (CB-CAPs) are fragments formed upon complement activation that bind covalently to haematopoietic cells. This review focuses on the complement system and, in particular, on CB-CAPs as biomarkers for the diagnosis and monitoring of SLE, vis-a-vis complement proteins and other biomarkers of complement activation. PMID- 29214039 TI - Clinical and genetic analysis of spinocerebellar ataxia type 7 (SCA7) in Zambian families. AB - Background: To date, 43 types of Spinocerebellar Ataxias (SCAs) have been identified. A subset of the SCAs are caused by the pathogenic expansion of a CAG repeat tract within the corresponding gene. Ethnic and geographic differences are evident in the prevalence of the autosomal dominant SCAs. Few descriptions of the clinical phenotype and molecular genetics of the SCAs are available from the African continent. Established studies mostly concern the South African populations, where there is a high frequency of SCA1, SCA2 and SCA7. The SCA7 mutation in South Africa (SA) has been found almost exclusively in families of indigenous Black African ethnic origin. Objective: To present the results of the first clinical description of seven Zambian families presenting with autosomal dominant SCA, as well as the downstream molecular genetic analysis of a subset of these families. Methods: The study was undertaken at the University Teaching Hospital in Lusaka, Zambia. Ataxia was quantified with the Brief Ataxia Rating Scale derived from the modified international ataxia rating scale. Molecular genetic testing for 5 types of SCA (SCA1, SCA2, SCA3, SCA6 and SCA7) was performed at the National Health Laboratory Service at Groote Schuur Hospital and the Division of Human Genetics, University of Cape Town, SA. The clinical and radiological features were evaluated in seven families with autosomal dominant cerebellar ataxia. Molecular genetic analysis was completed on individuals representing three of the seven families. Results: All affected families were ethnic Zambians from various tribes, originating from three different regions of the country (Eastern, Western and Central province). Thirty-four individuals from four families had phenotypic features of SCA7. SCA7 was confirmed by molecular testing in 10 individuals from 3 of these families. The age of onset of the disease varied from 12 to 59 years. The most prominent phenotypic features in these families were gait and limb ataxia, dysarthria, visual loss, ptosis, ophthalmoparesis/ophthalmoplegia, pyramidal tract signs, and dementia. Affected members of the SCA7 families had progressive macular degeneration and cerebellar atrophy. All families displayed marked anticipation of age at onset and rate of symptom progression. The pathogenic SCA7 CAG repeat ranges varied from 47 to 56 repeats. Three additional families were found to have clinical phenotypes associated with autosomal dominant SCA, however, DNA was not available for molecular confirmation. The age of onset of the disease in these families varied from 19 to 53 years. The most common clinical picture in these families included a combination of cerebellar symptoms with slow saccadic eye movements, peripheral neuropathy, dementia and tremor. Conclusion: SCA is prevalent in ethnic Zambian families. The SCA7 families in this report had similar clinical presentations to families described in other African countries. In all families, the disease had an autosomal dominant pattern of inheritance across multiple generations. All families displayed anticipation of both age of onset and the rate of disease progression. Further clinical and molecular investigations of the inherited ataxias in a larger cohort of patients is important to understand the natural history and origin of SCAs in the Zambian population. PMID- 29214040 TI - The smallest de novo 20q11.2 microdeletion causing intellectual disability and dysmorphic features. AB - The 20q11.2 microdeletion is a rare chromosomal aberration characterized by intellectual disability (ID), motor developmental delay, neonatal feeding problems, and facial dysmorphism. Here, a 2-year- and 6-month-old Japanese girl with a 1.2 Mb microdeletion of 20q11.2 showed ID, motor developmental delay, and distinctive facial features without feeding problems. The deleted region was identified by array-based comparative genomic hybridization and is the smallest reported for a 20q11.2 microdeletion. PMID- 29214041 TI - From a mouse: systematic analysis reveals limitations of experiments testing interventions in Alzheimer's disease mouse models. AB - The increasing prevalence of Alzheimer's disease (AD) poses a considerable socio economic challenge. Decades of experimental research have not led to the development of effective disease modifying interventions. A deeper understanding of in vivo research might provide insights to inform future in vivo research and clinical trial design. We therefore performed a systematic review and meta analysis of interventions tested in transgenic mouse models of AD. We searched electronically for publications testing interventions in transgenic models of AD. We extracted data for outcome, study characteristics and reported study quality and calculated summary estimates of efficacy using random effects meta-analysis. We identified 427 publications describing 357 interventions in 55 transgenic models, involving 11,118 animals in 838 experiments. Of concern, reported study quality was relatively low; fewer than one in four publications reported the blinded assessment of outcome or random allocation to group and no study reported a sample size calculation. Additionally, there were few data for any individual intervention-only 16 interventions had outcomes described in 5 or more publications. Finally, "trim and fill" analyses suggested one in seven pathological and neurobehavioural experiments remain unpublished. Given these historical weaknesses in the in vivo modelling of AD in transgenic animals and the identified risks of bias, clinical trials that are based on claims of efficacy in animals should only proceed after a detailed critical appraisal of those animal data. PMID- 29214042 TI - Maternal weight in the postpartum: results from the Delta healthy sprouts trial. AB - Background: Excessive postnatal weight retention may pose a threat to a woman's health and future pregnancies. Women in the Lower Mississippi Delta (LMD) region of Mississippi suffer from among the highest rates of obesity in the U.S. and are more likely to gain an excessive amount of weight during pregnancy. The aim of this study was to determine if LMD women who received a lifestyle enhanced maternal, infant, and early childhood home visiting (MIECHV) curriculum had more favorable weight outcomes through 12-months postpartum compared to women who received a standard MIECHV curriculum. Methods: Delta Healthy Sprouts was a two arm, randomized, controlled, comparative impact trial. Pregnant women at least 18 years of age, less than 19 weeks pregnant with a singleton pregnancy, and residing in the LMD region were recruited. On a monthly basis in the participant's home, the control arm (PAT) received the Parents as Teachers curriculum while the experimental arm (PATE) received a lifestyle enhanced Parents as Teachers curriculum. Pre-pregnancy body weight via self-report and maternal body weight at baseline (gestational month 4) and at every subsequent monthly visit through 12 months postpartum was measured. Linear mixed models were used to test for significant treatment, time, and treatment by time effects on postnatal weight outcomes. Results: Mean postnatal weight losses were 0.8 and 1.1 kg at postnatal month (PM) 6 and PM 12, respectively, for PAT participants. Mean postnatal weight losses for PATE participants were 1.5 and 1.2 kg at PM 6 and PM 12, respectively. Mean weight retention, based on pre-pregnancy weight, were 5.2, 4.0, and 3.6 kg at PM 1, PM 6, and PM 12, respectively, for PAT participants. Mean weight retention for PATE participants were 6.3, 4.5, and 4.0 kg at PM 1, PM 6, and PM 12, respectively. Significant effects were not found for treatment, time, or treatment by time. Conclusions: An enhanced MIECHV curriculum was not associated with more favorable postpartum weight outcomes when compared to a standard MIECHV curriculum in a cohort of LMD women during the 12 months following the birth of their infant. Trial registration: clinicaltrials.gov, NCT01746394. Registered 5 December 2012. PMID- 29214043 TI - Folic acid level and preterm birth among Sudanese women. AB - Background: Preterm birth (PTB) is the major health problem world-wide; there are few published studies on PTB and folic acid. Methods: The study was conducted to assess the serum level of folic acid in PTB. A case-control study was conducted at Saad Abualila maternity hospital (Khartoum, Sudan) during the period of March through December 2015. Women who delivered live singleton babies were dived in two groups; the cases were women who had PTB "delivery before completed 37weeks but after 24 weeks of pregnancy" and the controls were women who delivered at term (37-42 weeks). Medical and obstetrics history was gathered using questionnaire. Serum folic acid was measured. Results: One hundred and twelve (56 in arm of the study) women were enrolled to the study. There was no significant difference between the cases and the controls in their age, parity, hemoglobin, body mass index, education and occupation. The median (interquartile) level of folic acid was significantly lower in the cases (PTB) than the level in the controls, 4.8(2.8-8.2) vs. 9.5(8.6-12.0) ng/ml. In binary regression, folic acid level was associated with lower risk of PTB (OR=0.64; 95%=0.53-0.77, P < 0.001). There was a significant positive correlation between gestational age and folic acid level (r = 0.447, P<0.001). Conclusion: Thus serum folic acid level was significantly lower in women with PTB. Folic acid level was associated with lower risk of PTB. PMID- 29214044 TI - Milk yield and kit development of four breeds of rabbit in Ibadan, Nigeria. AB - Background: Rabbit breeding with high performance imported ones would be of benefit for genetic diversity and improvement of performance in domestic rabbit breeds. The rearing of more productive rabbit breeds could be pathway to improve the productivity and reduce the production cost. Maternal nutritional status exert a great influence on reproductive functions of does, which may expand from conception, through gestation and parturition and development of kits to puberty. Methods: Four breeds of rabbit were evaluated for their parturition, weaning and pubertal differences among the rabbit population in Ibadan, Nigeria. The breed consist of Fauve De Bourgogne (FDB), Chinchilla (CHA), British Spot (BS) and New Zealand White (NZW) rabbits. A total of 60 bucks and 360 does consisting of 15 bucks and 90 does per breed were mated in 6 mating cycles, three each of natural mating and artificial insemination. All does were synchronized for estrus with 20 IU pregnant mare serum gonadotropin 48 h prior to mating. The does after parturition were assessed for milk yield (g) and kit survival rate (%) till weaning, weight changes of kits from birth to puberty. At puberty, the pubertal age (days) and weight (g) of the offspring were assessed. Result: Results obtained reveals that British Spot doe had highest milk yield among the breeds which significantly increased growth of kit and weight at weaning in British Spot rabbits. Survival rates of Chinchilla kits were significantly (p < 0.05) higher than Fauve de Bourgogne, British Spot and New Zealand White kits. Puberty attainment of the rabbits indicates that British spot does and Fauve de Bourgogne bucks are early maturing. Conclusion: Chinchilla shows high kit survivability and British spot has highest milk yield among the four breeds of rabbit. PMID- 29214045 TI - The rumen microbiome: an underexplored resource for novel antimicrobial discovery. AB - Antimicrobial peptides (AMPs) are promising drug candidates to target multi-drug resistant bacteria. The rumen microbiome presents an underexplored resource for the discovery of novel microbial enzymes and metabolites, including AMPs. Using functional screening and computational approaches, we identified 181 potentially novel AMPs from a rumen bacterial metagenome. Here, we show that three of the selected AMPs (Lynronne-1, Lynronne-2 and Lynronne-3) were effective against numerous bacterial pathogens, including methicillin-resistant Staphylococcus aureus (MRSA). No decrease in MRSA susceptibility was observed after 25 days of sub-lethal exposure to these AMPs. The AMPs bound preferentially to bacterial membrane lipids and induced membrane permeability leading to cytoplasmic leakage. Topical administration of Lynronne-1 (10% w/v) to a mouse model of MRSA wound infection elicited a significant reduction in bacterial counts, which was comparable to treatment with 2% mupirocin ointment. Our findings indicate that the rumen microbiome may provide viable alternative antimicrobials for future therapeutic application. PMID- 29214046 TI - High-resolution bacterial 16S rRNA gene profile meta-analysis and biofilm status reveal common colorectal cancer consortia. AB - Colorectal cancer (CRC) remains the third most common cancer worldwide, with a growing incidence among young adults. Multiple studies have presented associations between the gut microbiome and CRC, suggesting a link with cancer risk. Although CRC microbiome studies continue to profile larger patient cohorts with increasingly economical and rapid DNA sequencing platforms, few common associations with CRC have been identified, in part due to limitations in taxonomic resolution and differences in analysis methodologies. Complementing these taxonomic studies is the newly recognized phenomenon that bacterial organization into biofilm structures in the mucus layer of the gut is a consistent feature of right-sided (proximal), but not left-sided (distal) colorectal cancer. In the present study, we performed 16S rRNA gene amplicon sequencing and biofilm quantification in a new cohort of patients from Malaysia, followed by a meta-analysis of eleven additional publicly available data sets on stool and tissue-based CRC microbiota using Resphera Insight, a high-resolution analytical tool for species-level characterization. Results from the Malaysian cohort and the expanded meta-analysis confirm that CRC tissues are enriched for invasive biofilms (particularly on right-sided tumors), a symbiont with capacity for tumorigenesis (Bacteroides fragilis), and oral pathogens including Fusobacterium nucleatum, Parvimonas micra, and Peptostreptococcus stomatis. Considered in aggregate, species from the Human Oral Microbiome Database are highly enriched in CRC. Although no detected microbial feature was universally present, their substantial overlap and combined prevalence supports a role for the gut microbiota in a significant percentage (>80%) of CRC cases. PMID- 29214047 TI - High-resolution profiling of the gut microbiome reveals the extent of Clostridium difficile burden. AB - Microbiome profiling through 16S rRNA gene sequence analysis has proven to be a useful research tool in the study of C. difficile infection (CDI); however, CDI microbiome studies typically report results at the genus level or higher, thus precluding identification of this pathogen relative to other members of the gut microbiota. Accurate identification of C. difficile relative to the overall gut microbiome may be useful in assessments of colonization in research studies or as a prognostic indicator for patients with CDI. To investigate the burden of C. difficile at the species level relative to the overall gut microbiome, we applied a high-resolution method for 16S rRNA sequence assignment to previously published gut microbiome studies of CDI and other patient populations. We identified C. difficile in 131 of 156 index cases of CDI (average abundance 1.78%), and 18 of 211 healthy controls (average abundance 0.008%). We further detected substantial levels of C. difficile in a subset of infants that persisted over the first two to 12 months of life. Correlation analysis of C. difficile burden compared to other detected species demonstrated consistent negative associations with C. scindens and multiple Blautia species. These analyses contribute insight into the relative burden of C. difficile in the gut microbiome for multiple patient populations, and indicate that high-resolution 16S rRNA gene sequence analysis may prove useful in the development and evaluation of new therapies for CDI. PMID- 29214048 TI - Good vaccination practice: it all starts with a good vaccine storage temperature. AB - Background: Recent introduction of strategies to reduce antibiotic use in food animal production implies an increased use of vaccines in order to prevent the economic impact of several important diseases in swine. Good Vaccination Practice (GVP) is an overall approach on the swine farm aiming to obtain maximal efficacy of vaccination through good storage, preparation and finally correct application to the target animals. In order to have a better insight into GVP on swine farms and the vaccine storage conditions, a survey on vaccination practices was performed on a farmers' fair and temperatures in the vaccine storage refrigerators were measured during farm visits over a period of 1 year. Results: The survey revealed that knowledge on GVP, such as vaccine storage and handling, needle management and injection location could be improved. Less than 10% had a thermometer in their vaccine storage refrigerator on the moment of the visit. Temperature measurement revealed that only 71% of the measured refrigerators were in line with the recommended temperature range of +2 degrees C to +8 degrees C. Both below +2 degrees C and above +8 degrees C temperatures were registered during all seasons of the year. Compliance was lower during summer with an average temperature of 9.2 degrees C while only 43% of the measured temperatures were within the recommended range. Conclusions: The present study clearly showed the need for continuous education on GVP for swine veterinarians, swine farmers and their farm personnel in general and vaccine storage management in particular. In veterinary medicine, the correct storage of vaccines is crucial since both too low and too high temperatures can provoke damage to specific vaccine types. Adjuvanted killed or subunit vaccines can be damaged (e.g. structure of aluminiumhydroxide in adjuvans) by too low temperatures (below 0 degrees C), whereas lyophilized live vaccines are susceptible (e.g. loss of vaccine potency) to heat damage by temperatures above +8 degrees C. In conclusion, knowledge and awareness of GVP and vaccine storage conditions are crucial under practical field conditions in swine herds. Focus on a correct on-farm vaccine storage is part of the responsible veterinarians' guidance in order to obtain the required vaccine efficacy. PMID- 29214049 TI - Latent autoimmune diabetes of adulthood: case report. AB - Background: Primary care clinicians will see a higher incidence of type 2 diabetes in adult patients, and the diagnosis and management of an initial presentation of type 1 diabetes can pose challenges to clinicians who see it less frequently. Symptoms of hyperglycemia and risk of ketoacidosis may be missed. Further, endocrine autoimmune disease can run together in patients and families. Case presentation: A 49-year-old Caucasian female with history of pituitary adenoma and Graves' disease with history of thyroid ablation presented in the outpatient setting due to hand tingling of her right middle finger that was worse in the mornings and improved throughout the day. She also complained of excessive thirst, finding herself drinking more water than usual and waking up in the night to urinate. There was no dysuria or haematuria, and no other neurologic symptoms. She did report feeling hungry. She had no family history of diabetes, normal body mass index of 21.7, and reported taking her thyroid replacement medication every day. The differential diagnosis for her thirst included dehydration, psychogenic polydipsia, diabetes mellitus, diabetes insipidus, and anxiety. The patient had normal vital signs and was well appearing; labs were ordered for her on her way home from clinic with no medications. Labs revealed a random blood glucose level of 249 mg/dL, normal renal function, a normal B12 of 996 pg/mL, and an elevated thyroid stimulating hormone level of 25.67 u[iU]/mL. On follow up with her primary care provider 5 days later, additional labs were drawn showing A1C of 11.5%, 1+ ketonuria, a negative Acetest, and a normal basic metabolic panel, except for a fasting glucose of 248 mg/dL, and Free T3 of 2.42 pg/mL, and Free T4 of 1.7 ng/dL. Islet cell antibodies and glutamic acid decarboxylase antibodies were both positive, consistent with type 1 diabetes. She was started on insulin and improved. Conclusion: Given the patient's age, this is a less common presentation of type 1 diabetes mellitus, as a part of polyglandular autoimmune syndrome type IIIa. It serves as a reminder that clinicians should remember that patients with one autoimmune disease (in this case, h/o Graves' disease) are at higher risk for diabetes and other endocrine autoimmune diseases and should be screened appropriately. Clinicians should keep latent type 1 diabetes in the differential in adulthood to ensure proper and timely treatment. PMID- 29214050 TI - Paternal phylogeographic structure of the brown bear (Ursus arctos) in northeastern Asia and the effect of male-mediated gene flow to insular populations. AB - Background: Sex-biased dispersal is widespread among mammals, including the brown bear (Ursus arctos). Previous phylogeographic studies of the brown bear based on maternally inherited mitochondrial DNA have shown intraspecific genetic structuring around the northern hemisphere. The brown bears on Hokkaido Island, northern Japan, comprise three distinct maternal lineages that presumably immigrated to the island from the continent in three different periods. Here, we investigate the paternal genetic structure across northeastern Asia and assess the connectivity among and within intraspecific populations in terms of male mediated gene flow. Results: We analyzed paternally inherited Y-chromosomal DNA sequence data and Y-linked microsatellite data of 124 brown bears from Hokkaido, the southern Kuril Islands (Kunashiri and Etorofu), Sakhalin, and continental Eurasia (Kamchatka Peninsula, Ural Mountains, European Russia, and Tibet). The Hokkaido brown bear population is paternally differentiated from, and lacked recent genetic connectivity with, the continental Eurasian and North American populations. We detected weak spatial genetic structuring of the paternal lineages on Hokkaido, which may have arisen through male-mediated gene flow among natal populations. In addition, our results suggest that the different dispersal patterns between male and female brown bears, combined with the founder effect and subsequent genetic drift, contributed to the makeup of the Etorofu Island population, in which the maternal and paternal lineages show different origins. Conclusions: Brown bears on Hokkaido and the adjacent southern Kuril Islands experienced different maternal and paternal evolutionary histories. Our results indicate that sex-biased dispersal has played a significant role in the evolutionary history of the brown bear in continental populations and in peripheral insular populations, such as on Hokkaido, the southern Kuril Islands, and Sakhalin. PMID- 29214051 TI - Cytochrome b5 protects photoreceptors from light stress-induced lipid peroxidation and retinal degeneration. AB - Lipid peroxides are generated by oxidative stress in cells, and contribute to ageing and neurodegenerative disease. The eye is at special risk for lipid peroxidation because photoreceptors possess amplified sensory membranes rich in peroxidation-susceptible polyunsaturated fatty acids. Light-induced lipid peroxidation in the retina contributes to retinal degeneration, and lipid peroxidation has been implicated in the progression of age-associated ocular diseases such as age-related macular degeneration (AMD). Here, we show that exposing Drosophila melanogaster to strong blue light induces oxidative stress including lipid peroxidation that results in retinal degeneration. Surprisingly, very young flies are resilient to this acute light stress, suggesting they possess endogenous neuroprotective mechanisms. While lipophilic antioxidants partially suppressed blue light-induced retinal degeneration in older flies, we find that overexpression of cytochrome b5 (Cyt-b5) completely suppressed both blue light-induced lipid peroxidation and retinal degeneration. Our data identify Cyt-b5 as a neuroprotective factor that targets light-induced oxidative damage, particularly lipid peroxidation. Cyt-b5 may function via supporting antioxidant recycling, thereby providing a strategy to prevent oxidative stress in ageing photoreceptors that would be synergistic with dietary antioxidant supplementation. PMID- 29214052 TI - Neuroprotective role of retinal SIRT3 against acute photo-stress. AB - SIRT3 is a key regulator of mitochondrial reactive oxygen species as well as mitochondrial function. The retina is one of the highest energy-demanding tissues, in which the regulation of reactive oxygen species is critical to prevent retinal neurodegeneration. Although previous reports have demonstrated that SIRT3 is highly expressed in the retina and important in neuroprotection, function of SIRT3 in regulating reactive oxygen species in the retina is largely unknown. In this study, we investigated the role of retinal SIRT3 in a light induced retinal degeneration model using SIRT3 knockout mice. We demonstrate that SIRT3 deficiency causes acute reactive oxygen species accumulation and endoplasmic reticulum stress in the retina after the light exposure, which leads to increased photoreceptor death, retinal thinning, and decreased retinal function. Using a photoreceptor-derived cell line, we revealed that reactive oxygen species were the upstream initiators of endoplasmic reticulum stress. Under SIRT3 knockdown condition, we demonstrated that decreased superoxide dismutase 2 activity led to elevated intracellular reactive oxygen species. These studies have helped to elucidate the critical role of SIRT3 in photoreceptor neuronal survival, and suggest that SIRT3 might be a therapeutic target for oxidative stress-induced retinal disorders. PMID- 29214053 TI - Severe carvedilol toxicity without overdose - caution in cirrhosis. AB - Background: Carvedilol is used in the management of hypertension, ischemic heart disease, heart failure and most recently, portal hypertension. It has been associated with improved outcomes regarding variceal bleeding, hepatic decompensation and death when compared to propranolol and endoscopic band ligation. The main cause of portal hypertension is cirrhosis and therefore carvedilol is increasingly used in these patients. Due to its extensive hepatic metabolism, carvedilol is contraindicated in severe hepatic impairment. However, there are no dosage adjustments in the manufacturer's labelling for mild to moderate hepatic impairment. Case presentation: We present a case of cardiogenic shock that occurred after carvedilol 25 mg orally was administered to a patient with cirrhosis. As there was no overdose, the diagnosis was based on clinical recognition of the toxidrome. The patient was successfully treated with glucagon 5 mg bolus followed by infusion. Conclusions: Patients with cirrhosis represent a special at-risk group for beta blocker toxicity. The typical threshold for carvedilol toxicity in overdose is 50 mg but in patients with cirrhosis this is not applicable. Nurses and physicians need to recognize the toxidrome early. Hospitals where carvedilol is used in patients with cirrhosis should have glucagon in formulary at doses to treat toxicity (bolus and infusion). Finally, dose adjustment and slow uptitration of carvedilol in cirrhosis is recommended. PMID- 29214054 TI - Lifestyle modification practice and associated factors among diagnosed hypertensive patients in selected hospitals, South Ethiopia. AB - Background: Hypertension is one of the leading causes of disability and death in both developed and developing countries that need urgent strategies to implement interventions that control it. Appropriate lifestyle changes often called non pharmacological approaches that often overlooked are the corner stone of the prevention and control of hypertension. The aim of this study is to assess the practice of lifestyle modifications and associated factors among diagnosed hypertensive patients in Durame and Nigist Elleni Mohamed Memorial General Hospitals in southern Ethiopia. Methods: Facility-based cross-sectional study was conducted among 205 hypertensive patients in Durame and Nigist Elleni Mohamed Memorial General Hospitals in Sothern Nation and Nationality People Representative (SNNPR), from March 1-30 2016. Simple random sampling was used to select study subjects. Data were entered to Epidata 3.1 and exported to Statistical Package for Social Sciences (SPSS) version 20.0 for analysis. A binary Logistic regression model was fitted to determine independent predictors of lifestyle modifications among hypertensive patients. Adjusted odds ratio at 95%CI was used to declaring the independent effect of each variable on the outcome variable. Result: The study revealed that only 56(27.3%) of the patients practiced recommended lifestyle modifications. The study found that age (Adjusted Odds Ratio [AOR] = 0.27, 95% Confidence Interval [CI]:0.13-0.61), educational status (AOR = 2.00,95% CI:1.33-6.75), monthly income (AOR = 2.46, 95% CI:1.32 4.63), years since diagnosis (AOR = 2.48, 95%CI: 1.32-4.69), and co-morbidity (AOR = 0.28,95% CI: 0.13-0.61) were factors significantly associated with lifestyle modification practice (p < 0.05). Conclusion: Generally, lifestyle modification practices among hypertensive patients were low in this study. Therefore, Patients should be educated on the recommended lifestyle modifications that may help patients to control f their blood pressure. PMID- 29214055 TI - Integrative gene network analysis identifies key signatures, intrinsic networks and host factors for influenza virus A infections. AB - Influenza A virus, with the limited coding capacity of 10-14 proteins, requires the host cellular machinery for many aspects of its life cycle. Knowledge of these host cell requirements not only reveals molecular pathways exploited by the virus or triggered by the immune system, but also provides further targets for antiviral drug development. To uncover novel pathways and key targets of influenza infection, we assembled a large amount of data from 12 cell-based gene expression studies of influenza infection for an integrative network analysis. We systematically identified differentially expressed genes and gene co-expression networks induced by influenza infection. We revealed the dedicator of cytokinesis 5 (DOCK5) played potentially an important role for influenza virus replication. CRISPR/Cas9 knockout of DOCK5 reduced influenza virus replication, indicating that DOCK5 is a key regulator for the viral life cycle. DOCK5's targets determined by the DOCK5 knockout experiments strongly validated the predicted gene signatures and networks. This study systematically uncovered and validated fundamental patterns of molecular responses, intrinsic structures of gene co regulation, and novel key targets in influenza virus infection. PMID- 29214056 TI - Strength in Numbers: an international consensus conference to develop a novel approach to care delivery for young adults with type 1 diabetes, the D1 Now Study. AB - Plain English summary: Many young adults with type 1 diabetes struggle with the day-to-day management of their condition. They often find it difficult to find the time to attend their clinic appointments and to meet with their diabetes healthcare team. Young adults living with type 1 diabetes are not routinely involved in research that may help improve health services other than being invited to take part in studies as research participants. A 3-day international conference was held in Galway in June 2016 called "Strength In Numbers: Teaming up to improve the health of young adults with type 1 diabetes". It aimed to bring together people from a broad variety of backgrounds with an interest in young adults with type 1 diabetes. Young people with type 1 diabetes came together with healthcare professionals, researchers, software developers and policy makers to come up with and agree on a new approach for engaging young adults with type 1 diabetes with their health services and to improve how they manage their diabetes.The people involved in the conference aimed to reach agreement (consensus) on a fixed set of outcome measures called a core outcome set (COS) that the group would recommend future studies involving young adults with type 1 diabetes to use, to suggest a new approach (intervention) for providing health services to young adults with type 1 diabetes, and to come up with health technology ideas that could help deliver the new intervention. Over the 3 days, this diverse international group of people that included young adults living with type 1 diabetes, agreed on a COS, 3 key parts of a new intervention and 1 possible health technology idea that could help with how the overall intervention could be delivered.Involving young adults living with type 1 diabetes in a 3-day conference along with other key groups is an effective method for coming up with a new approach to improve health services for young adults with type 1 diabetes and better support their self-management. Abstract: Background A 3-day international consensus meeting was hosted by the D1 Now study team in Galway on June 22-24, 2016 called "Strength In Numbers: Teaming up to improve the health of young adults with type 1 diabetes". The aim of the meeting was to bring together young adults with type 1 diabetes, healthcare providers, policy makers and researchers to reach a consensus on strategies to improve engagement, self management and ultimately outcomes for young adults living with type 1 diabetes. Methods This diverse stakeholder group participated in the meeting to reach consensus on (i) a core outcome set (COS) to be used in future intervention studies involving young adults with type 1 diabetes, (ii) new strategies for delivering health services to young adults and (iii) potential digital health solutions that could be incorporated into a future intervention. Results A COS of 8 outcomes and 3 key intervention components that aim to improve engagement between young adults with type 1 diabetes and service providers were identified. A digital health solution that could potentially compliment the intervention components was proposed. Conclusion The outputs from the 3-day consensus conference, that held patient and public involvement at its core, will help the research team further develop and test the D1 Now intervention for young adults with type 1 diabetes in a pilot and feasibility study and ultimately in a definitive trial. The conference represents a good example of knowledge exchange among different stakeholders for health research and service improvement. PMID- 29214057 TI - Primary rhegmatogenous retinal detachment with inferior retinal breaks postoperative prone positioning results: 1 day versus 7 days. AB - Background: To compare the primary anatomical outcome of pars plana vitrectomy, 360 degrees peripheral endolaser, and 15% octafluoropropane C3F8 gas tamponade in patients with uncomplicated rhegmatogenous detachment and inferior retinal breaks, after 24-h postoperative prone positioning to similar patients with 1 week postoperative prone positioning. Methods: Records of 5500 patients who underwent pars plana vitrectomy between 2008 and 2015 were retrieved. Collected data included age, gender, number of retinal quadrants with retinal breaks, number of retinal breaks, macula status on presentation (attached or detached), phakic status (phakic, pseudophakic, or aphakic), and primary anatomical outcome (at 1 and 3 months post-operative). Results: 270 patients met the study inclusion criteria (78 females, and 192 males). In the 24-h positioning arm (183 patients), the overall anatomical success rate was 96.2% at 1 month and 83.6% at 3 months. In the 1-week positioning group (87 patients), the overall anatomical success rate was 93% at 1 month and 79% at 3 months. Both positioning groups did not show statistical difference in outcome at 1 month (p-value = 0.7) or at 3 months (p value = 0.39). Logistic regression analysis found that the number of retinal breaks correlates with the postoperative anatomical success at 3 months (odd ratio 0.8, p-value = 0.016). Conclusion: This short term retrospective study demonstrated that patients with uncomplicated rhegmatogenous retinal detachment due to inferior retinal breaks, who underwent pars plana vitrectomy, 360 degrees endolaser, 15% C3F8 gas, and limited (24-h) prone positioning did not show statistical difference in the anatomical outcome (at 1, and 3 months) when compared with 1 week postoperative positioning. Larger prospective studies are warranted to further elucidate positioning role. PMID- 29214059 TI - Focused issue on interventional pulmonology. PMID- 29214058 TI - The design of reversible hydrogels to capture extracellular matrix dynamics. AB - The extracellular matrix (ECM) is a dynamic environment that constantly provides physical and chemical cues to embedded cells. Much progress has been made in engineering hydrogels that can mimic the ECM, but hydrogel properties are, in general, static. To recapitulate the dynamic nature of the ECM, many reversible chemistries have been incorporated into hydrogels to regulate cell spreading, biochemical ligand presentation and matrix mechanics. For example, emerging trends include the use of molecular photoswitches or biomolecule hybridization to control polymer chain conformation, thereby enabling the modulation of the hydrogel between two states on demand. In addition, many non-covalent, dynamic chemical bonds have found increasing use as hydrogel crosslinkers or tethers for cell signalling molecules. These reversible chemistries will provide greater temporal control of adhered cell behaviour, and they allow for more advanced in vitro models and tissue-engineering scaffolds to direct cell fate. PMID- 29214060 TI - Interstitial lung disease: the diagnostic role of bronchoscopy. AB - Interstitial lung diseases (ILDs) form one of the most fascinating fields in pulmonary medicine. They also pose one of the greatest challenges for accurate diagnosis and proper treatment. Even within the recommended and warranted multidisciplinary approach, differentiating between one disease and another may lead to frustration, especially when proper lung tissue is not available for adequate pathological review. A surgical lung biopsy (SLB) might render enough tissue for histopathology, but this could come at the expense of high morbidity and even mortality, as in the case of usual interstitial pneumonia (UIP). Could bronchoscopy and its various techniques offer a safer and higher yield alternative? Since the very late 19th century, efforts have been made to better examine the airways, obtain tissue and treat various conditions. This resulted in the successive emergence of bronchoalveolar lavage (BAL), endobronchial and transbronchial forceps biopsies, until recently when transbronchial cryobiopsy surfaced as a nascent technique with much promise. The use of endobronchial ultrasound revolutionized the diagnosis and staging of lung cancer, while adding to the yield of other conditions such as sarcoidosis. Ongoing research, efforts and studies have continuously scrutinized the roles of various techniques in the approach to ILDs. For example, BAL seems to serve mostly to eliminate infection as an etiology or a complicating factor in the acute worsening of a fibrotic lung disease, while a predominant cellular component might be diagnostic, such as eosinophilia in eosinophilic lung disease, or lymphocytosis in hypersensitivity pneumonitis (HP). On the other hand, endobronchial biopsy's (EBB) role appears limited to sarcoidosis. As for transbronchial biopsy by forceps, the small sample size and related artifact appear to be limiting factors in making an accurate diagnosis. Recently, however, the use of cryotherapy via employing a cryoprobe in obtaining transbronchial lung biopsies is unfolding into a refined interventional method which might transform indefinitely our approach to the pathological diagnosis of the various ILDs. PMID- 29214061 TI - Medical thoracoscopy and its evolving role in the diagnosis and treatment of pleural disease. AB - Establishing the etiology of exudative pleural effusions in the setting of an unrevealing pleural fluid analysis often requires biopsies from the parietal pleura. While closed pleural biopsy (CPB) has been a popular minimally-invasive approach, it has a poor diagnostic yield, barring a diagnosis of tuberculous pleurisy. Medical thoracoscopy (MT) is a minimally-invasive ambulatory procedure performed under local anesthesia or moderate sedation which allows for direct visualization of biopsy targets as well as simultaneous therapeutic interventions, including chemical pleurodesis and indwelling tunneled pleural catheter (ITPC) placement. The excellent yield and favorable safety profile of MT has led to it replacing CPB for many indications, particularly in the management of suspected malignant pleural effusions. As experience with MT amongst interventional pulmonologists has grown, there is an increased appreciation for its important role alongside percutaneous and surgical approaches in the diagnosis and treatment of pleural disease. PMID- 29214062 TI - Management of oral antiplatelet agents and anticoagulation therapy before bronchoscopy. AB - Although, bronchoscopy is a relatively safe procedure, small amount of bleeding in the airway can have serious consequences. Careful consideration of the risks of diagnostic and therapeutic bronchoscopic intervention can help minimize potential complications. With increasing number of patients using antiplatelet and anticoagulation therapies, strategies for minimizing thromboembolic and operative bleeding events need to be included in the risk and benefit analyses. Growing evidence suggests that aspirin is safe and does not increase bleeding during bronchoscopy. In addition, despite small studies reporting that it may be safe to perform bronchoscopic procedures that have low risk for bleeding such as endobronchial ultrasound with transbronchial needle aspiration on clopidogrel, it is still recommended to hold it for 7 days prior to performing elective bronchoscopy. It is recommended to hold vitamin K antagonist, as well as new oral anticoagulation agents prior to bronchoscopy. The timing for pre-procedural discontinuation of anticoagulation therapy and the decision to bridge depend on the agent used, the renal function and the thromboembolic risk. In this review article, we will discuss available data regarding management of anticoagulation and antiplatelet therapy as it applies to bronchoscopic procedures. PMID- 29214063 TI - Bronchoscopic management of prolonged air leak. AB - Bronchopleural fistula (BPF) with prolonged air leak (PAL) is most often, though not always, a sequela of lung resection. When this complication occurs post operatively, it is associated with substantial morbidity and mortality. Surgical closure of the defect is considered the definitive approach to controlling the source of the leak, but many patients with this condition are suboptimal operative candidates. Therefore there has been active interest for decades in the development of effective endoscopic management options. Successful use of numerous bronchoscopic techniques has been reported in the literature largely in the form of retrospective series and, at best, small prospective trials. In general, these modalities fall into one of two broad categories: implantation of a device or administration of a chemical agent. Closure rates are high in published reports, but the studies are limited by their small size and multiple sources of bias. The endoscopic procedure currently undergoing the most systematic investigation is the placement of endobronchial valves. The aim of this review is to present a concise discussion on the subject of PAL and summarize the described bronchoscopic approaches to its management. PMID- 29214064 TI - Bronchoscopy for the diagnosis of peripheral lung lesions. AB - Peripheral pulmonary lesions (PPLs) are generally considered as lesions in the peripheral one-third of the lung although a precise definition and radiographic anatomical landmarks separating central and peripheral lesion does not yet exist. The radiographic detection of such lesions has increased significantly with the adoption of lung cancer screening programs. These lesions are not directly visible by regular flexible bronchoscopes as they are usually distal to the lobar and segmental bronchi. Traditionally, depending on location and clinical stage at presentation, these lesions were typically sampled by computerized tomography (CT) guided needle or surgical biopsy although some centers also used ultrasound and fluoroscopy guided percutaneous needle biopsy. Due to lack of direct visualization, the yield for bronchoscopic guided sampling especially of the small <2 cm pulmonary nodules was very low. Therefore, sampling has been preferentially performed by percutaneous CT guidance, which had high yield of above 90% but it comes at the cost of higher risk complications like pneumothorax with reported rate of 15% to 28%. Directly proceeding to surgical resection is also considered in appropriate candidates with high suspicion of malignancy without any evidence of distant metastasis but the proportion of such cases of lung cancer is low. The manuscript discussed the various bronchoscopic diagnostic modalities for peripheral pulmonary lesions. It is important to note that most of the studies in this field are relatively small, not randomized, suffer from selection bias, have considerable heterogeneity in sampling methodology/instruments and usually have been performed in high volume institutions by dedicated highly experienced proceduralists. The prevalence of malignancy in most of the reported cohorts has also been high which may result in higher diagnostic yields. All these factors need to be kept in mind before generalizing the results to individual centers and practices. PMID- 29214065 TI - Management of cardiac implantable electronic devices during interventional pulmonology procedures. AB - An increasing number of patients are receiving cardiac implantable electronic devices (CIED) now. Many of them need pulmonary procedures for various indications including, but not limited to, lung cancer and benign endobronchial lesions. Over the last two decades, interventional pulmonology (IP) has expanded its scope to include various modalities that use heat and electrical energy and in the process, create electromagnetic field in the vicinity. This raises concerns for electromagnetic interference (EMI) causing abnormal behavior in the CIEDs. While guidelines and recommendations on the peri-procedural management of CIEDs do exist, none of them directly address the pulmonary procedures. In this paper, we strive to review the available literature pertaining to the management of CIEDs in the context of EMI caused by the various IP procedures. PMID- 29214066 TI - A systematic approach to the management of massive hemoptysis. AB - Massive hemoptysis is regarded as a potentially lethal condition that requires immediate attention, and prompt action. Although minor hemoptysis is frequently encountered by most clinicians, massive hemoptysis in far less frequent and most physicians are not prepared to manage this time-sensitive clinical presentation in a systematic and timely fashion. Critical initial steps in management need to be implemented in an expedited fashion, such that patients may have a chance at a more definitive treatment. In this article, we review the definition, vascular anatomy, etiology, diagnostic evaluation, epidemiology and prognostic markers of massive hemoptysis. A systematic approach to management, stabilization and treatment options is followed. An algorithm is proposed for the management of massive hemoptysis and the importance of a multidisciplinary approach is emphasized. PMID- 29214067 TI - Malignant central airway obstruction. AB - This review comprehensively describes recent advances in the management of malignant central airway obstruction (CAO). Malignant CAO can be a dramatic and devastating manifestation of primary lung cancer or metastatic disease. A variety of diagnostic modalities are available to provide valuable information to plan a therapeutic intervention. Clinical heterogeneity in the presentation of malignant CAO provides opportunities to adapt and utilize endoscopic technology and tools in many ways. Mechanical debulking, thermal tools, cryotherapy and airway stents are methods and instruments used to rapidly restore airway patency. Delayed bronchoscopic methods, such as photodynamic therapy (PDT) and brachytherapy can also be utilized in specific non-emergent situations to establish airway patency. Although data regarding the success and complications of therapeutic interventions are retrospective and characterized by clinical and outcome measure variability, the symptoms of malignant CAO can often be successfully palliated. Assessment of risks and benefits of interventions in each individual patient during the decision-making process forms the critical foundation of the management of malignant CAO. PMID- 29214069 TI - Anatomical considerations in bronchoscopy. AB - A thorough understanding of intrathoracic anatomy enables the interventional bronchoscopist to perform procedures efficaciously. The review of the anatomy of the thoracic cavity focuses first on the trachea and the relationship of the airway with surrounding structures, knowledge important for the safe conduct of bronchoscopic procedures. We then describe the anatomy of the pleural cavity relevant to the practitioner performing pleuroscopy. PMID- 29214068 TI - Diagnosis and management of malignant pleural effusions: state of the art in 2017. AB - Malignant pleural effusion (MPE) is a known complication of both thoracic and extra thoracic malignancies. The presence of MPE regardless of the primary site translates into advanced stage disease. Diagnosis and management of MPE with the goals of palliation and improving quality of life poses a challenge for chest physicians. Recently, multiple studies have made attempts to answer questions regarding optimal management in various clinical scenarios. We will review the current evidence and available options for the management of MPE. PMID- 29214070 TI - Percutaneous tracheostomy: a comprehensive review. AB - Tracheostomy is a common procedure. It can be done surgically or percutaneously by dilating the stoma using Seldinger technique. Percutaneous tracheostomy (PT) is now routinely performed by surgeons and non-surgeons such as intensivists and anesthesiologists in the intensive care units (ICU) all over the world. Although obesity, emergent tracheostomy, coagulopathy, inability to extend the neck and high ventilator demand (HVD) were initially thought to be a relative contraindication, recent data suggest safety of PT in these patient population. Ultrasound can be helpful in limited cases to identify the neck structure especially in patients with a difficult anatomy. Bronchoscopy during PT can shorten the duration and avoid complications. PT has favorable complication rate, lower infection rate, shorter procedural duration and is cost-effective. Experience with the technique and careful planning is needed to minimize any avoidable potential complication. PMID- 29214072 TI - Asymptomatic malignant pleural effusion: to observe or to manage. PMID- 29214071 TI - Is bronchoscopy an obsolete tool in cystic fibrosis? The role of bronchoscopy in cystic fibrosis and its clinical use. AB - Cystic fibrosis (CF) is a progressive life threatening multisystem genetic disease which affects the CF transmembrane conductance regulator channel. Respiratory causes remain the most common mortality in CF. With the onset of newborn screening, initiating treatments both for prophylaxis and disease management, optimizing nutritional support, and developing therapies targeting CF transmembrane conductance regulator protein, this has significantly changed the face of managing this devastating disease. Bronchoscopy and related procedures such as bronchoalveolar lavage (BAL), transbronchial biopsies, and protected brush sampling have been looked at in the management of CF as patients with CF continue to live longer with the help of newer therapies, the microbiome in the lung becomes less diverse along with increased occurrences for noninfectious causes of airway diseases. Though bronchoscopy has been used in conjunction with other modalities such as computed tomography and sputum induction providing a better understanding of the progression of the disease, it still remains valuable in the diagnosis and management of CF. PMID- 29214074 TI - Tilt, Decentration, and Internal Higher-Order Aberrations of Sutured Posterior Chamber Intraocular Lenses in Patients with Open Globe Injuries. AB - Purpose: To evaluate the tilt, decentration, and internal higher-order aberrations (HOAs) of sutured posterior-chamber intraocular lenses (IOLs) in patients with open globe injuries. Methods: 46 consecutive patients (47 eyes) who underwent transsclerally sutured IOL implantation were enrolled in this prospective cohort study. Nineteen eyes had a history of open globe injury. The tilt and decentration of the IOLs and the visual quality were measured 1 month after surgery. Results: The horizontal tilt and decentration of the IOLs in the open-globe-injury group were significantly higher than those in the control group (both P < 0.05). In the open-globe-injury group, the horizontal decentration was significantly greater in the limbus-sclera-involved group (n = 11) than in the only-cornea-involved group (n = 8, P = 0.040). The internal coma, 3rd-order, and total HOA values at pupil sizes of 4 mm (P = 0.006) and 6 mm (P = 0.013) were significantly higher in the open-globe-injury group than in the controls. Consequently, the optical quality data for the modulation transfer function and the Strehl ratio (all P < 0.05) were significantly poorer in the open-globe injury group. Conclusions: Open globe injuries damage the structural integrity of the eyeball, resulting in more-misaligned sutured IOLs and poorer visual quality. PMID- 29214075 TI - Air Bubble Technique for Fundus Visualization during Vitrectomy in Aphakia. AB - Purpose: To evaluate the efficacy and safety of air bubble technique for vitrectomy in aphakia. Study Design: Prospective interventional uncontrolled case series. Methods: This study included 53 eyes of 53 patients who are phakic and indicated for phacovitrectomy (7 eyes, group 1), aphakic and indicated for vitrectomy (22 eyes, group 2), or underwent unplanned vitrectomy for immediate management of a phacoemulsification surgery complicated by rupture posterior capsule with dropped nucleus, fragments, or IOL (24 eyes, group 3). Cases with complicated vitreoretinal pathology were not included in this study. All vitrectomy surgeries were conducted by the air bubble technique in the anterior chamber. Main outcomes included anatomical success, visual acuity, and intraoperative and postoperative complications. Results: The surgical success was achieved in 50 eyes (94.3%). Conversion to BIOM viewing system was needed in the retinal detachment cases of groups 1 and 2. The mean overall LogMAR visual acuity was significantly improved from 1.29 +/- 0.58 preoperatively to 0.56 +/- 0.19 at the final visit, 6 months postoperatively (P < 0.001). Conclusion: The air bubble technique as visualization method for vitrectomy in aphakia is an effective and cheap technique for immediate management of complications of phacoemulsification surgery. This trial is registered with Pan African Clinical Trial Registry PACTR201709002466296. PMID- 29214076 TI - Posterior Segment Ocular Trauma: Timing and Indications for Vitrectomy. PMID- 29214073 TI - Assessment of Ocriplasmin Effects on the Vitreoretinal Compartment in Porcine and Human Model Systems. AB - Ocriplasmin (Jetrea(r)) is a recombinant protease used to treat vitreomacular traction. To gain insight into vitreoretinal observations reported after ocriplasmin treatment, we have developed an in vivo porcine ocriplasmin-induced posterior vitreous detachment (PVD) model in which we investigated vitreoretinal tissues by optical coherence tomography, histology, and cytokine profiling. Eight weeks postinjection, ocriplasmin yielded PVD in 82% of eyes. Subretinal fluid (85%) and vitreous hyperreflective spots (45%) were resolved by week 3. Histological analysis of extracellular matrix (ECM) proteins such as laminin, fibronectin, and collagen IV indicated no retinal ocriplasmin-induced ECM distribution changes. Retinal morphology was unaffected in all eyes. Cytokine profiles of ocriplasmin-treated eyes were not different from vehicle. In cell based electrical resistance assays, blood-retinal barrier permeability was altered by ocriplasmin concentrations of 6 MUg/mL and higher, with all effects being nontoxic, cell-type specific, and reversible. Ocriplasmin was actively taken up by RPE and Muller cells, and our data suggest both lysosomal and transcellular clearance routes for ocriplasmin. In conclusion, transient hyperreflective spots and fluid in a porcine ocriplasmin-induced PVD model did not correlate with retinal ECM rearrangement nor inflammation. Reversible in vitro effects on blood-retinal barrier permeability provide grounds for a hypothesis on the mechanisms behind transient subretinal fluid observed in ocriplasmin-treated patients. PMID- 29214077 TI - Mortality and Its Predictors among HIV Infected Patients Taking Antiretroviral Treatment in Ethiopia: A Systematic Review. AB - Background: Even though the benefit of antiretroviral therapy (ART) is well established, there is a regional variation in the extent of its benefit. The aim of this review is to highlight mortality and its predictors in Ethiopian adult HIV patients who were on ART. Methods: Relevant articles were searched on PubMed and Google Scholar databases. The search terms used in different combinations were predictor/determinant/factors, mortality/death/survival, HIV, ART/HAART, and Ethiopia. Result: 5-40.8% of the patients died during the follow-up period. More than half (50-68.8%) of the deaths occurred within 6 months of initiating ART. Advanced stage disease (stage III and stage IV), nonworking functional status (bedridden and ambulatory), low baseline CD4 count, low baseline hemoglobin level, TB coinfection, lower baseline weight, and poor treatment adherence were commonly identified as predictors of death in HIV patients. Conclusion: 5-40.8% of HIV patients in Ethiopia die in 2-5 years of initiating antiretroviral treatment. Most of the deaths in HIV patients occur early in the course of treatment. Special emphasis should be given for patients with advanced stage disease, nonworking functional status, low baseline CD4 count, low baseline hemoglobin level, TB coinfection, lower baseline weight, and poor treatment adherence. PMID- 29214078 TI - The Profile of Saudi Nursing Workforce: A Cross-Sectional Study. AB - Introduction: The Royal Monarchy in Saudi Arabia decreed that all sectors of the workforce would be subject to a policy of "Saudisation" to reduce the reliance on the expatriate workforce and to reduce the unemployment rate of Saudi nationals (Al-Mahmoud et al., 2012). Methodology: A cross-sectional design was chosen to investigate the research questions. The population of this study comprised Saudi Registered Nurses working in MOH hospitals in Riyadh which is the main health care provider in Saudi Arabia (Aboul-Enein, 2002; MOH, 2009). Results and Findings: A total number of 1,198 questionnaires were distributed and 61.2% (n = 741) were returned. The findings of the study showed that the questionnaires were collected from an equal portion of the study locale and that a sample of 741 is enough to create a strong conclusion and answer the problem set in this study and all the questions in the study have been provided with answers with enough data and literatures to supports its findings. Conclusion and Recommendations: The results indicate that an increase in the recruitment of Saudi males may simply reflect cultural issues such as gender specific facilities and the Saudisation program's nondiscriminatory approach to employment of both genders into nursing. PMID- 29214079 TI - miR-19a and miR-20a and Tissue Factor Expression in Activated Human Peripheral Blood Mononuclear Cells. AB - Background and Aims: To investigate the behaviour of miR-19a and miR-20a, two microRNAs involved in posttranscriptional modulation of TF expression in peripheral blood mononuclear cells (PBMCs) exposed to high glucose (HG) and lipopolysaccharide (LPS), and to evaluate the involvement of angiotensin II in that process. Methods: TF Procoagulant Activity (PCA, one-stage clotting assay), antigen (Ag, ELISA), and miR-19a and miR-20a levels (specific TaqMan(r) MicroRNA Assays) were evaluated in PBMCs exposed to high glucose (HG, 50 mM), LPS (100 ng/mL), and Olmesartan (OLM, 10-6 M), an angiotensin II type 1 receptor antagonist. Results: HG increased TF expression and decreased both miRs as compared to control glucose conditions (11.1 mM). In HG-activated PBMCs, LPS stimulated TF expression and downregulated miR-20a, an effect reverted by OLM (10 6 M); miR-19a expression was unchanged by LPS in both CG and HG conditions. Conclusions: miR-19a and miR-20a are inhibited by inflammatory stimuli active on TF expression and their response differs by the stimulus under investigation; angiotensin II may participate in that mechanism. PMID- 29214081 TI - A Rare Complication of a TAP Block Performed after Caesarean Delivery. AB - The transversus abdominis plane block is a regional anesthesia technique that has become popular. Being a relatively simple procedure, the TAP block has an excellent safety profile and major complications are rare. We present a case of transient femoral nerve palsy occurring after a TAP block with involvement of the sacral plexus for a patient who had undergone a caesarean section. PMID- 29214080 TI - HINT1 in Neuropsychiatric Diseases: A Potential Neuroplastic Mediator. AB - Although many studies have investigated the functions of histidine triad nucleotide-binding protein 1 (HINT1), its roles in neurobiological processes remain to be fully elucidated. As a member of the histidine triad (HIT) enzyme superfamily, HINT1 is distributed in almost every organ and has both enzymatic and nonenzymatic activity. Accumulating clinical and preclinical evidence suggests that HINT1 may play an important role as a neuroplastic mediator in neuropsychiatric diseases, such as schizophrenia, inherited peripheral neuropathies, mood disorders, and drug addiction. Though our knowledge of HINT1 is limited, it is believed that further research on the neuropathological functions of HINT1 would eventually benefit patients with neuropsychiatric and even psychosomatic diseases. PMID- 29214082 TI - Congenital Absence of Left Circumflex Artery: A Case Report and Review of the Literature. AB - Congenital absence of the left circumflex artery is a rare coronary anomaly with few reported cases in the literature. These patients are usually diagnosed incidentally when they undergo coronary angiography or coronary CT to rule out underlying coronary artery disease. In this article, we report a case of a 46 year-old man who was incidentally found to have a congenitally absent left circumflex artery with a superdominant right coronary artery after a workup was initiated for frequent premature ventricular contractions and regional wall motion on echocardiogram. A review of the clinical presentation, symptoms, and diagnostic modalities used to diagnose this entity is presented. PMID- 29214083 TI - Adenomatoid Odontogenic Tumor Associated with an Impacted Maxillary Lateral Incisor: A Case Report with Five-Year Follow-Up. AB - Adenomatoid odontogenic tumor (AOT), a benign (hamartomatous) lesion of odontogenic origin, is an uncommon tumor which affects mainly females in the second decade. This lesion is most commonly associated with an impacted maxillary canine. This paper reported a case of AOT, in a 16-year-old female, associated with an impacted maxillary left lateral incisor. The evolution of this tumor was followed over 36 months and 24 months after excision. PMID- 29214084 TI - Coexistence of Primary Hyperaldosteronism and Graves' Disease, a Rare Combination of Endocrine Disorders: Is It beyond a Coincidence-A Case Report and Review of the Literature. AB - Background: Primary hyperaldosteronism is a known cause for secondary hypertension. In addition to its effect on blood pressure, aldosterone exhibits proinflammatory actions and plays a role in immunomodulation/development of autoimmunity. Recent researches also suggest significant thyroid dysfunction among patients with hyperaldosteronism, but exact causal relationship is not established. Autoimmune hyperthyroidism (Graves' disease) and primary hyperaldosteronism rarely coexist but underlying mechanisms associating the two are still unclear. Case Presentation: A 32-year-old Sri Lankan female was evaluated for new onset hypertension in association with hypokalemia. She also had features of hyperthyroidism together with high TSH receptor antibodies suggestive of Graves' disease. On evaluation of persistent hypokalemia and hypertension, primary hyperaldosteronism due to right-sided adrenal adenoma was diagnosed. She was rendered euthyroid with antithyroid drugs followed by right sided adrenalectomy. Antithyroid drugs were continued up to 12 months, after which the patient entered remission of Graves' disease. Conclusion: Autoimmune hyperthyroidism and primary hyperaldosteronism rarely coexist and this case report adds to the limited number of cases documented in the literature. Underlying mechanism associating the two is still unclear but possibilities of autoimmune mechanisms and autoantibodies warrant further evaluation and research. PMID- 29214085 TI - SOX5-Null Heterozygous Mutation in a Family with Adult-Onset Hyperkinesia and Behavioral Abnormalities. AB - SOX5 encodes a conserved transcription factor implicated in cell-fate decisions of the neural lineage. SOX5 haploinsufficiency induced by larger genomic deletions has been linked to a recognizable pediatric syndrome combining developmental delay with intellectual disability, mild dysmorphism, inadequate behavior, and variable additional features including motor disturbances. In contrast to SOX5-involving deletions, examples of pathogenic SOX5 small coding variations are sparse in the literature and have been described only in singular cases with phenotypic abnormalities akin to those seen in the SOX5 microdeletion syndrome. Here a novel SOX5 loss-of-function point mutation, c.13C>T (p.Arg5X), is reported, identified in the course of exome sequencing applied to the diagnosis of an unexplained adult-onset motor disorder. Aged 43 years, our female index patient demonstrated abrupt onset of mixed generalized hyperkinesia, with dystonic and choreiform movements being the most salient features. The movement disorder was accompanied by behavioral problems such as anxiety and mood instability. The mutation was found to be inherited to the patient's son who manifested abnormal behavior including diminished social functioning, paranoid ideation, and anxiety since adolescence. Our results expand the compendium of SOX5 damaging single-nucleotide variation mutations and suggest that SOX5 haploinsufficiency might not be restrictively associated with childhood-onset syndromic disease. PMID- 29214087 TI - Invasive Nontyphoidal Salmonella Infection in a Patient with Early-Stage Chronic Lymphocytic Leukemia. AB - We describe a case of a 72-year-old man with early-stage chronic lymphocytic leukemia (CLL) who presented with invasive nontyphoidal Salmonella (iNTS) infection, necrotizing pneumonia, and chronic infection of a hilar lymph node. Infection is a major cause of death in patients with CLL. Though few cases of iNTS infection associated with CLL have been described in the literature, to our knowledge this is the first reported case of iNTS-associated necrotizing pneumonia. Immunocompromised state in patients, even with early-stage CLL, likely predisposes them to invasive infection with intracellular organisms, such as Salmonella spp. In this case, successful treatment was achieved with prolonged course of intravenous followed by oral antibiotics without any surgical removal of infected focus. PMID- 29214086 TI - Erdheim-Chester Disease with No Skeletal Bone Involvement and Massive Weight Loss. AB - Erdheim-Chester disease (ECD) is a rare type of non-Langerhans cell histiocytosis, with only 550 cases reported worldwide. ECD is characterized by diffuse histiocytic infiltration of multiorgans. The age of presentation of this disease is typically between 40 and 70 years. Bone disease is the most common symptom, as unique radiological findings of long bone sclerosis occur in 96% of cases. Furthermore, BRAF V600E mutation is detected in 60% of ECD cases. In this manuscript, we are describing a unique case of ECD; the patient is younger than most reported cases and has no bone pain or any skeletal involvement. This patient has unintentionally lost about 50% of his body mass and is suffering from progressive cerebellar manifestations with radiological evidence of cerebellar atrophy, in contrast to the usual ECD manifestation of cerebellar infiltration. In addition, the patient has cardiac, retroperitoneal, and perinephric involvement, but he retains his sexual drive and fertility. A tissue biopsy from the retroperitoneal mass displayed typical morphological and immunohistochemical features of ECD, and BRAF V600E mutation was detected. He was treated with pegylated interferon alpha, but his disease progressed and the treatment was changed to vemurafenib to which he had an excellent response at 6 weeks. PMID- 29214088 TI - Advanced Alveolar Soft Part Sarcoma Treated with Pazopanib over Three Years. AB - Alveolar soft part sarcoma (ASPS) is a rare malignant tumor that generally occurs in adolescents and young adults. It progresses slowly, but lung and brain metastases often occur in the early phase of the clinical course, and chemotherapy has been reported as not being effective for ASPS. Pazopanib is a multitargeted tyrosine kinase inhibitor that has been clinically available from November 2012 in Japan. This is a case report of a patient presented with multiple lung metastases and unresectable primary abdominal ASPS. We initially treated this patient by systemic chemotherapy with combination use of ifosfamide and doxorubicin. Stable disease was observed without any objective response. Then, we finally started to administrate pazopanib 800 mg/day. After 25 months of pazopanib administration, slight tumor reduction and a decrease of enhancement were observed. Objective responses were achieved for both the primary tumor and metastatic lung tumor; however, a newly developed brain metastasis was subsequently identified. Based on this case, pazopanib appears effective against ASPS, except for brain metastases. This case suggests that pazopanib may be useful as a first-line drug against unresectable ASPS and that longitudinal assessment of brain metastasis should be performed in similar cases. PMID- 29214089 TI - Systemic Treatment of Metastatic Conjunctival Melanoma. AB - Conjunctival melanoma (CM) is an exceptionally rare tumor, with a propensity for local and distant recurrence, with the lungs, skin, liver, and brain being the most common sites of metastasis. Recent progress in systemic treatments, with checkpoint inhibitors and targeted therapies blocking BRAF and MEK, has redefined the standard of care of advanced unresectable and metastatic melanoma. Although most trials did not include patients with conjunctival melanoma, its close molecular and genetic relationship to cutaneous melanoma might suggest a similar response to these novel agents. The authors describe two uncommon cases of metastatic conjunctival melanomas with distinct genetic profiles and, as such, submitted to different systemic treatments. PMID- 29214090 TI - Bone Resection for Isolated Ulnar Head Fracture. AB - Distal ulnar fractures often occur with distal radius fractures (DRFs), and ulnar styloid fractures commonly occur in the setting of DRF. However, isolated ulnar head fractures are rare. We report a case of isolated ulnar head fracture in which we performed bone resection because the ulnar head bone fragment fractured when internal screw fixation was attempted. His outcome at 18 months postoperatively was considered excellent. However, we do not advocate bone resection other than failure of fixation and the difficult case to perform internal fixation. Longer follow-up would be needed because bone resection might lead to osteoarthritis of the distal radioulnar joint in the future. PMID- 29214091 TI - Keeping an Open Mind: Cognitive Bias in the Evaluation of an Infant with Posterior-Lateral Rib Fractures. AB - A four-month-old former premature male is incidentally found to have posterior lateral rib fractures during evaluation of a febrile illness. This finding led to the initiation of a workup for nonaccidental trauma. A thorough history and physical exam ultimately led to the diagnosis, which was not related to abuse. This case highlights a rare sequela of patent ductus arteriosus repair, cautions medical teams to remain aware of how cognitive bias can affect diagnostic decision-making, and emphasizes the importance of a thorough history, physical exam, and medical record review in cases of suspected nonaccidental trauma. PMID- 29214092 TI - Pyogenic Odontoid Osteomyelitis with Sinus Thrombosis. AB - 71/F presented with left sided headaches and neck pain with nuchal rigidity progressively worsening over 3 weeks with no other neurologic symptoms. Odontoid osteomyelitis with epidural abscess was discovered on further workup with neuroimaging. Concurrent jugular vein and transverse sinus venous thrombosis was also found and suspected to be secondary to the pyogenic odontoid osteomyelitis. Patient was treated with intravenous antibiotics for the osteomyelitis as well as intravenous heparin for the venous thrombosis. To our knowledge, this is the first case reported in literature of transverse sinus venous thrombosis secondary to odontoid osteomyelitis. PMID- 29214093 TI - Should Skin Biopsies Be Performed in Patients Suspected of Having Parkinson's Disease? AB - In patients with Parkinson's disease (PD), the molecularly misfolded form of alpha-synuclein was recently identified in cutaneous autonomic nerve fibers which displayed increased accumulation even in early disease stages. However, the underlying mechanisms of synucleinopathic nerve damage and its implication for brain pathology in later life remain to be elucidated. To date, specific diagnostic tools to evaluate small fiber pathology and to discriminate neurodegenerative proteinopathies are rare. Recently, research has indicated that deposition of alpha-synuclein in cutaneous nerve fibers quantified via immunohistochemistry in superficial skin biopsies might be a valid marker of PD which could facilitate early diagnosis and monitoring of disease progression. However, lack of standardization of techniques to quantify neural alpha-synuclein deposition limits their utility in clinical practice. Additional challenges include the identification of potential distinct morphological patterns of intraneural alpha-synuclein deposition among synucleinopathies to facilitate diagnostic discrimination and determining the degree to which structural damage relates to dysfunction of nerve fibers targeted by alpha-synuclein. Answering these questions might improve our understanding of the pathophysiological role of small fiber neuropathy in Parkinson's disease, help identify new treatment targets, and facilitate assessment of response to neuroprotective treatment. PMID- 29214094 TI - Study of a Two-Step Centrifugation Protocol for Concentrating Cells and Growth Factors in Bovine Platelet-Rich Plasma. AB - There is a lack of information about the methods used for bovine platelet-rich plasma (PRP)/platelet-rich gel (PRG) procurement, including information on platelet (PLT), white blood cell (WBC) in PRP, and growth factor release from PRG supernatants. The aims of this study were to compare and to correlate the PLT, WBC, transforming growth factor beta-1 (TGF-beta1), and platelet-derived growth factor BB (PDGF-BB) concentrations in bovine whole blood, plasma, and four PRP layers and their respective PRG supernatants: A and B (obtained by a single centrifugation tube method at 720g/5 min) and C and D (obtained by a double centrifugation tube method, by using two centrifugation episodes at 720g/5 min). PLT and WBC counts were significantly higher in PRP-C, followed by whole blood, PRP-A, PRP-B, and PRP-D. TGF-beta1 concentrations were significantly higher in PRG-B supernatants and its correspondent PRP-B lysate when compared to the other PRG supernatants and plasma. Supernatants from PRG-A, PRG-B, and PRG-D had equivalent TGF-beta1 concentrations. PDGF-BB concentrations were not statistically different between the hemoderivatives. Significant Pearson correlations were noted between PLT counts and WBC counts (0.8) and between PLT counts and PLT distribution width (0.6). Further studies should be performed to assess the potential clinical applications of these PRPs. PMID- 29214095 TI - Separation and Determination of Fe(III) and Fe(II) in Natural and Waste Waters Using Silica Gel Sequentially Modified with Polyhexamethylene Guanidine and Tiron. AB - Silica gel, sequentially modified with polyhexamethylene guanidine and pyrocatechin-3,5-disulfonic acid (Tiron), was suggested for sorption separation and determination of Fe(III) and Fe(II). It was found that quantitative extraction of Fe(III) and its separation from Fe(II) were attained at pH 2.5-4.0, while quantitative extraction of Fe(II) was observed at pH 6.0-7.5. An intensive signal with g = 4.27, which is characteristic for Fe(III), appeared in EPR spectra of the sorbents after Fe(II) and Fe(III) sorption. During interaction between Fe(II) and Tiron, fixed on the sorbent surface, its oxidation up to Fe(III) occurred. Red-lilac complexes of the composition FeL3 were formed on the sorbent surface during sorption regardless of initial oxidation level of iron. Diffuse reflectance spectrum of surface complexes exhibited wide band with slightly expressed maxima at 480 and 510 nm. Procedures for separation and photometric determination of Fe(III) and Fe(II) at the joint presence and total Fe content determination as Fe(II) in waste and natural waters was developed. The limit of detection for iron was 0.05 MUg per 0.100 g of the sorbent. The calibration graph was linear up to 20.0 MUg of Fe per 0.100 g of the sorbent. The RSD in the determination of more than 0.2 MUg of Fe was less than 0.06. PMID- 29214096 TI - Childbearing intentions among sexually active HIV-infected and HIV-uninfected female adolescents in South Africa. AB - Women of reproductive age account for nearly half of all HIV-infected people worldwide. Childbearing intention among HIV-infected women is complicated by social and reproductive concerns related to their HIV status. We conducted a cross-sectional study of HIV-infected and HIV-uninfected sexually active South African women aged 17 to 21 in order to compare their childbearing intentions and to identify predictors of the desire to have children among women with HIV. We found the rate of childbearing intention to be similarly high among both HIV infected and HIV-uninfected study participants (80 and 79% respectively, p=0.81). History of previous parity was found to be associated with decreased intention to have children. No difference in childbearing intention was found between HIV infected women on anti-retroviral therapy (ART) and women not on ART. High rates of childbearing intention among HIV-infected women require integration of reproductive health services with comprehensive HIV/AIDS care in order to mitigate the risks of sexual and vertical transmission of HIV. PMID- 29214097 TI - Needle-Tissue Interaction Force State Estimation for Robotic Surgical Suturing. AB - Robotically Assisted Minimally Invasive Surgery (RAMIS) offers many advantages over manual surgical techniques. Most of the limitations of RAMIS stem from its non-intuitive user interface and costs. One way to mitigate some of the limitations is to automate surgical subtasks (e.g. suturing) such that they are performed faster while allowing the surgeon to plan the next step of the procedure. One component of successful suture automation is minimizing the internal tissue deformation forces generated by driving a needle through tissue. Minimizing the internal tissue forces requires segmenting the tissue deformation forces from other components of the needle tissue interaction (e.g. friction force). This paper proposes an Unscented Kalman Filter which can successfully model the force components, in particular the internal deformation force, generated by a needle as it is driven through a sample of tissue. PMID- 29214098 TI - Safety and Quality Concerns Regarding Over-the-Counter Sexual Enhancement Products Sold in the USA Market Pose a Major Health Risk. AB - Safety and quality concerns regarding over the counter sexual enhancement products sold in the USA market pose a major health risk to the general public. Nevertheless, the use of herbal medicines continues to expand rapidly across world and many people perceive usage of herbal medication as a safe and reliable way to improve health outcome. The safety of herbal supplements has become a globally major concern in national and international health authorities due to increasing adverse events and adulterations associated with usage of herbal medications. These non FDA approved products with unknown ingredients are widely accessible for purchase ranging from local food, drug stores and to the internet. These Erectile Dysfunction (ED) pills may contain Sildenafil, the active ingredient of Viagra in much higher quantity then legally prescribed by a licensed physician or they may contain unknown quantities of Thiosildenafil, the active ingredient in Cialis. The types of chemicals found in these medications are making it harder for regulatory authorities to track them down. These products keep the consumer in the dark in terms of the quantity, ingredients, effectiveness and possible side effects. These sexual enhancement products are being sold as safe and natural with false hopes to resolve erectile dysfunction. Patients who are prone to impulsive hypersexual behavior such as patients with bipolar disorder, substance use, borderline personality disorder and those who may feel adamant to discuss erectile dysfunction with their physicians are more likely to become the victims of using illicit medications/ drugs with serious health risks consequences. We present a case report of an individual with bipolar disorder and hypersexual behavior who became victim to over the counter sexual enhancement products/supplements which caused serious health and life threatening consequences. PMID- 29214099 TI - Geospatial Associations Between Tobacco Retail Outlets and Current Use of Cigarettes and e-Cigarettes among Youths in Texas. AB - Introduction: To identify the geospatial association between the presence of tobacco retail outlets (TRO) around schools' neighborhoods, and current use of cigarettes and e-cigarettes among adolescents in four counties in Texas. Methods: Students in grades 6, 8 and 10th were surveyed in their schools in 2014-2015. The schools' addresses was geocoded to determine the presence of at least one TRO within half a mile of the school. Two outcomes were considered: past 30-day use of (a) cigarettes and (b) e-cigarettes. Bayesian structured additive regression models and Kriging methods were used to estimate the geospatial associations between the presence of TRO and use in three counties: Dallas/Tarrant, Harris, and Travis. Results: We observed a geospatial association between the presence of TRO around the schools and current use of cigarettes in the eastern area of Dallas County and in the southeastern area of Harris County. Also, a geospatial association between the presence of TRO around the schools and current use of e cigarettes was observed in the entire Tarrant County and in the northeastern area of Harris County. Conclusions: There were geospatial associations between the presence of TRO around some schools and cigarette/e-cigarette use among students, but this association was not consistent across all the counties. More research is needed to determine why some areas are at higher risk for this association. PMID- 29214100 TI - A new direction for Dermatology Practical & Conceptual. PMID- 29214102 TI - White rosettes in discoid lupus erythematosus: a new dermoscopic observation. AB - White rosettes are shiny white structures seen as four oval-shaped points that come together in the center. They resemble four-leaf clover [1]. Earlier it was thought they were specific for actinic keratosis and squamous cell carcinoma, but they are noted in many other conditions [2]. With polarized light dermoscopy, it is evident that rosettes are seen only and they are due to the optical effect between polarized light and follicular structures [3]. Here, authors describe cases of discoid lupus erythematosus (DLE) demonstrating rosettes under polarized dermoscopy. PMID- 29214101 TI - Cell junction protein armadillo repeat gene deleted in velo-cardio-facial syndrome is expressed in the skin and colocalizes with autoantibodies of patients affected by a new variant of endemic pemphigus foliaceus in Colombia. AB - Background: We previously described a new variant of endemic pemphigus foliaceus in El Bagre, Colombia, South America (El Bagre-EPF, or pemphigus Abreu-Manu). El Bagre-EPF differs from other types of EPF clinically, epidemiologically, immunologically and in its target antigens. We reported the presence of patient autoantibodies colocalizing with armadillo repeat gene deleted in velo-cardio facial syndrome (ARVCF), a catenin cell junction protein colocalizing with El Bagre-EPF autoantibodies in the heart and within pilosebaceous units along their neurovascular supply routes. Here we investigate the presence of ARVCF in skin and its possibility as a cutaneous El Bagre-EPF antigen. Methods: We used a case control study, testing sera of 45 patients and 45 controls via direct and indirect immunofluorescence (DIF/IIF), confocal microscopy, immunoelectron microscopy and immunoblotting for the presence of ARVCF and its relationship with El Bagre-EPF autoantibodies in the skin. We also immunoadsorbed samples with desmoglein 1 (Dsg1) ectodomain (El Bagre-EPF antigen) by incubating with the positive ARVCF samples from DIF and IIF. Results: ARVCF was expressed in all the samples from the cases and controls. Immunoadsorption with Dsg1 on positive ARVCF immunofluorescence DIF/IIF cases showed that the immune response was present against non-desmoglein 1 antigen(s). Overall, 40/45 patients showed colocalization of their autoantibodies with ARVCF in the epidermis; no controls from the endemic area displayed colocalization. Conclusions: We demonstrate that ARVCF is expressed in many areas of human skin, and colocalizes with the majority of El Bagre-EPF autoantibodies as a putative antigen. PMID- 29214103 TI - In vivo intraoral reflectance confocal microscopy of an amalgam tattoo. AB - The majority of oral pigmentations are benign lesions such as nevi, melanotic macules, melanoacanthomas or amalgam tattoos. Conversely, mucosal melanomas are rare but often lethal; therefore, excluding oral melanomas in this setting is crucial. Reflectance confocal microscopy is a non-invasive, in vivo imaging system with cellular resolution that has been used to distinguish benign from malignant pigmented lesions in the skin, and more recently in the mucosa. However, lesions located posteriorly in the oral cavity are difficult to assess visually and difficult to biopsy due to their location. Herein we present a patient with previous multiple melanomas presenting with an oral amalgam tattoo in the buccal mucosa, which was imaged using an intraoral telescopic probe attached to a commercially available handheld RCM. In this case report we describe this novel probe, the first RCM description of an amalgam tattoo and we discuss its differences with the findings described in oral melanomas. PMID- 29214105 TI - Dermoscopy of chromoblastomycosis. AB - Chromoblastomycosis is a chronic cutaneous fungal infection commonly caused by Fonsacea and Cladophialophora spp. Dermoscopy is a non-invasive, real-time diagnostic tool for rapid bedside diagnosis of various inflammatory and non inflammatory disorders and can be an excellent modality for evaluation of cutaneous mycosis, for which it shows characteristic brown dots, crust, scales and yellow orange structures. PMID- 29214104 TI - A spermidine-based nutritional supplement prolongs the anagen phase of hair follicles in humans: a randomized, placebo-controlled, double-blind study. AB - Background: Spermidine has been shown both in vitro and in mice models to have an anagen-prolonging effect on hair follicles (HFs). Objectives: To evaluate the effects of a spermidine-based nutritional supplement on the anagen phase of HFs in healthy human subjects in a randomized, double-blind, placebo-controlled trial. Methods: One hundred healthy males and females were randomized to receive a tablet containing a spermidine-based nutritional supplement or a placebo once daily for 90 days. At the beginning and the end of the treatment period, 100 HFs were plucked and subjected to microscopic evaluation to determine the number of anagen V-VI HFs, and immunohistochemical examination was performed to quantify the Ki-67 and c-Kit levels in the hair bulbs. Pull test was performed after three and six months. Results: The spermidine-based nutritional supplement increased the number of anagen V-VI HFs after three months of treatment, accompanied by increased Ki-67, a marker for cellular proliferation, and decreased c-Kit, a marker for apoptosis, levels. All results were also significantly better when compared to the placebo group. The pull test remained negative after six months in all patients receiving the spermidine supplement, while 68% of the subjects in the placebo group had a positive pull test. Conclusions: This preliminary study shows that a spermidine-based nutritional supplement can prolong the anagen phase in humans, and therefore might be beneficial for hair loss conditions. Further studies are needed to evaluate its effects in specific different clinical settings. PMID- 29214106 TI - Basal serum cortisol and adrenocorticotropic hormone levels in patients with atopic dermatitis. AB - Background: Certain studies suggest that percutaneous absorption of topical steroids may cause suppression of hypothalamic-pituitary-adrenal axis (HPAA) in atopic dermatitis (AD) patients. This study aimed to investigate the basal serum cortisol, adrenocorticotropic hormone (ACTH), and IgE levels in patients with AD and their correlation with the disease severity. Methods: Levels of basal serum cortisol, ACTH, and IgE were assessed by ELISA in 31 patients with AD and 31 controls. Clinical severity of AD was evaluated by the scoring of atopic dermatitis (SCORAD) index. Results: No statistical difference was observed between the two groups for basal serum cortisol and ACTH levels. The serum IgE level was significantly higher in the AD group. The SCORAD index was correlated with serum IgE level. Conclusions: Basal serum cortisol and ACTH levels are normal in AD patients. Serum IgE level is significantly higher in AD patients and is correlated with the disease severity. PMID- 29214107 TI - Diet and rosacea: the role of dietary change in the management of rosacea. AB - Dietary change may play a role in the therapy of rosacea. Certain foods and beverages may act as "triggers" for rosacea exacerbations. These may be divided into heat-related, alcohol-related, capsaicin-related, and cinnamaldehyde related. One potential pathogenic mechanism may be via the activation of transient receptor potential cation channels, which result in neurogenic vasodilatation. Further research is needed on the role of the gut skin connection in rosacea. Epidemiologic studies suggest that patients with rosacea have a higher prevalence of gastrointestinal disease, and one study reported improvement in rosacea following successful treatment of small intestinal bacterial overgrowth. While further research is required in this area, patients may be advised on measures to support a healthy gut microbiome, including the consumption of a fiber-rich (prebiotic) diet. PMID- 29214108 TI - Reflectance confocal microscopy of an inverted follicular keratosis mimicking a squamous cell carcinoma. AB - Distinguishing between benign and malignant neoplasms of the skin is a daily challenge to dermatologists. With the use of a dermatoscope and other imaging devices, the diagnosis is often more precise. The confocal microscope is a device that uses a near-infrared laser to perform noninvasive imaging of the skin. The benefit is that the images immediately provide additional, cellular-level information that can assist in diagnosis. However, lesions may share overlapping characteristics on confocal microscopy, and hence, benign lesions can still display confocal features concerning for a cancerous process, justifying a biopsy. Here, we present a case of an inverted follicular keratosis imitating a squamous cell carcinoma on confocal microscopy. PMID- 29214109 TI - A solitary pink lesion: dermoscopy and RCM features of lichen planus. AB - We present an unusual onset of cutaneous lichen planus (LP) in a middle-aged patient. The initial presentation as solitary, indolent pink lesion required further investigations to rule out malignancy, especially amelanotic melanoma. Dermoscopy and reflectance confocal microscopy findings were found to be helpful in our case in addressing the correct diagnosis. PMID- 29214110 TI - Dermoscopy of multiple warty dyskeratomas. PMID- 29214111 TI - Examining the factors associated with past and present dermoscopy use among family physicians. AB - Introduction: Family physicians (FPs) play a critical role in the early detection of skin cancers. Dermoscopy can improve diagnostic accuracy but its use by FPs in the United States (US) remains understudied. Objectives: To examine dermoscopy use, factors associated with ever having used (Model 1) and currently using the dermascope (Model 2), and barriers. Methods: We recruited 705 practicing FPs in person at conferences and on-line to complete an anonymous, 46 item survey measuring: demographic factors, physician and practice characteristics; confidence in differentiating skin lesions; knowledge and use of dermoscopy; intentions to use; and barriers to use. We conducted bivariate analysis for each outcome and entered the significant predictors into two logistic regressions. Results: Almost 20% had ever used a dermascope and 8.3% were currently using it. Ever having used a dermascope was associated with being 39 years of age or younger, practicing in academia or community centers, and having higher confidence differentiating skin lesions. Current use was associated with seeing more than 400 patients per month and being 60 years-of-age or older. Conclusion: Use of dermoscopy by FPs is low. This study is an initial step in understanding its use among US FPs. PMID- 29214112 TI - Hypomelanotic melanoma detected by the "little red riding hood sign" in a patient with neurofibromatosis type 1. AB - Neurofibromatosis type 1 (NF1) is a genetic disorder commonly associated with an increased risk for development of malignancy, including skin cancers. Herein we describe a case of invasive melanoma occurring in a patient with NF1 and discuss the association between these two diseases, highlighting the importance of comparative clinical and dermoscopic approaches in this category of patients in which the detection of melanoma can be difficult because of the presence of multiple skin tumors. PMID- 29214113 TI - Reflectance confocal microscopy of mammary Paget disease. AB - Mammary Paget disease is the intraepidermal adenocarcinoma of the nipple area which is characterized usually by a well-demarcated eczematous plaque. Reflectance confocal microscopy (RCM), is an in vivo noninvasive diagnostic tool with a high-resolution imaging of the skin, almost comparable to conventional histology. RCM findings of Paget disease are limited in the literature. Most of the reported cases are the extramammary type. In this report, we aimed to evaluate the RCM findings of a non-pigmented mammary Paget disease in a 65 year old woman. PMID- 29214115 TI - Morphology Under Control: Engineering Biodegradable Stomatocytes. AB - Biodegradable nanoarchitectures, with well-defined morphological features, are of great importance for nanomedical research; however, understanding (and thereby engineering) their formation is a substantial challenge. Herein, we uncover the supramolecular potential of PEG-PDLLA copolymers by exploring the physicochemical determinants that result in the transformation of spherical polymersomes into stomatocytes. To this end, we have engineered blended polymersomes (comprising copolymers with varying lengths of PEG), which undergo solvent-dependent reorganization inducing negative spontaneous membrane curvature. Under conditions of anisotropic solvent composition across the PDLLA membrane, facilitated by the dialysis methodology, we demonstrate osmotically induced stomatocyte formation as a consequence of changes in PEG solvation, inducing negative spontaneous membrane curvature. Controlled formation of unprecedented, biodegradable stomatocytes represents the unification of supramolecular engineering with the theoretical understanding of shape transformation phenomena. PMID- 29214114 TI - Calcium Dysregulation in Alzheimer's Disease: A Target for New Drug Development. AB - Alzheimer's disease (AD) is a devastating neurodegenerative disorder and the most common cause of dementia among aged people whose population is rapidly increasing. AD not only seriously affects the patient's physical health and quality of life, but also adds a heavy burden to the patient's family and society. It is urgent to understand AD pathogenesis and develop the means of prevention and treatment. AD is a chronic devastating neurodegenerative disease without effective treatment. Current approaches for management focus on helping patients relieve or delay the symptoms of cognitive dysfunction. The calcium ion (Ca2+) is an important second messenger in the function and structure of nerve cell circuits in the brain such as neuronal growth, exocytosis, as well as in synaptic and cognitive function. Increasing numbers of studies suggested that disruption of intracellular Ca2+ homeostasis, especially the abnormal and excessive Ca2+ release from the endoplasmic reticulum (ER) via the ryanodine receptor (RYR), plays important roles in orchestrating the dynamic of the neuropathology of AD and associated memory loss, cognitive dysfunction. Dantrolene, a known antagonist of the RYR and a clinically available drug to treat malignant hyperthermia, can ameliorate the abnormal Ca2+ release from the RYR in AD and the subsequent pathogenesis, such as increased beta-secretase and gamma-secretase activities, production of Amyloid-beta 42 (Abeta 42) and its oligomer, impaired autophagy, synapse dysfunction, and memory loss. However, more studies are needed to confirm the efficacy and safety repurposing dantrolene as a therapeutic drug in AD. PMID- 29214116 TI - Compassionate use of ruxolitinib in acute and chronic graft versus host disease refractory both to corticosteroids and extracorporeal photopheresis. AB - Background: Ruxolitinib is a potent inhibitor of JAK1/2 with proven efficacy in myelofibrosis. In recent years, research in graft versus host disease (GVHD) has revealed the role of activation of JAK pathways in alloreactive lymphocytes. Some reports have shown significant responses in refractory GVHD patients. Cases presentation: In this report we present our experience in 8 patients with acute or chronic GVHD with refractoriness to steroids and extracorporeal photopheresis treated with ruxolitinib. Three patients had acute GVHD (1 pulmonary, 2 cutaneous, 1 multi-systemic) and 5 had chronic GVHD (3 cutaneous); 85% obtained an overall response and 50% a complete response with a tolerable toxicity profile. Conclusions: In our series, Ruxolitinib was very active as a rescue therapy for patients with acute or chronic GVHD refractory to standard treatment. PMID- 29214117 TI - Broadband Dielectric Spectroscopic Characterization of Thermal Stability of Low-k Dielectric Thin Films for Micro- and Nanoelectronic Applications. AB - In this paper, we discuss the use of broadband microwaves (MW) to characterize the thermal stability of organic and hybrid silicon-organic thin films meant for insulation applications in micro- and nanoelectronic devices. We take advantage of MW propagation characteristics to extract and examine the relationships between electrical properties and the chemistry of prototypical low-k materials. The impact of thermal anneal at modest temperatures is examined to shed light on the thermal-induced performance and reliability changes within the dielectric films. These changes are then correlated with the chemical changes in the films, and could provide basis for rational selection of organic dielectrics for integrated devices. PMID- 29214118 TI - The plasma environment inside geostationary orbit: A Van Allen Probes HOPE survey. AB - The two full precessions in local time completed by the Van Allen Probes enable global specification of the near-equatorial inner magnetosphere plasma environment. Observations by the Helium-Oxygen-Proton-Electron (HOPE) mass spectrometers provide detailed insight into the global spatial distribution of electrons, H+, He+, and O+. Near-equatorial omnidirectional fluxes and abundance ratios at energies 0.1-30 keV are presented for 2 <= L <= 6 as a function of L shell, magnetic local time (MLT), and geomagnetic activity. We present a new tool built on the UBK modeling technique for classifying plasma sheet particle access to the inner magnetosphere. This new tool generates access maps for particles of constant energy for more direct comparison with in situ measurements, rather than the traditional constant MU presentation typically associated with UBK. We present for the first time inner magnetosphere abundances of O+ flux relative to H+ flux as a function of Kp, L, MLT, and energy. At L = 6, the O+/H+ ratio increases with increasing Kp, consistent with previous results. However, at L < 5 the O+/H+ ratio generally decreases with increasing Kp. We identify a new "afternoon bulge" plasma population enriched in 10 keV O+ and superenriched in 10 keV He+ that is present during quiet/moderate geomagnetic activity (Kp < 5) at ~1100-2000 MLT and L shell 2-4. Drift path modeling results are consistent with the narrow energy and approximate MLT location of this enhancement, but the underlying physics describing its formation, structure, and depletion during higher geomagnetic activity are currently not understood. PMID- 29214119 TI - Interested consumers' awareness of harmful chemicals in everyday products. AB - Background: Everyday products can contain a multitude of harmful substances unnoticed by most consumers, because established risk communication channels reach only part of the society. The question is, whether at least interested and informed consumers are able to use risk communication tools and assess harmful chemicals in products. Results: An online survey investigated the awareness of 1030 consumers on harmful substances in everyday items. Participating consumers' education level, knowledge in chemistry, and motivation were above society's average. Although a large number of responses showed that survey participants were familiar with several aspects of the issue, the results revealed that knowledge in chemistry helped, but was not enough. Many participants assumed that products with an eco-label, natural personal care products, products without hazard pictograms or products produced in the European Union would not contain harmful substances. Most participants indicated to use hazard pictograms, information on the packaging, reports in the media, and environmental and consumer organizations as information sources, while information by authorities and manufacturers were not named frequently and did not receive high confidence. Smartphone applications were not indicated by many participants as information sources. The information sources most trusted were environmental and consumer organizations, hazard pictograms, and lists of ingredients on the containers. The declared confidence in certain risk communication instruments did not always correspond to the use frequencies indicated. Nearly all participants considered legislators as responsible for the reduction of harmful substances in consumer products. Conclusions: Misconceptions about harmful substances in products can be dangerous for the personal health and the environment. The survey indicates that motivation, educational level, and chemical expertise do not automatically provide an appropriate understanding of harmful substances in products. If well informed consumers are not sufficiently capable to use risk information elements as revealed in this study, then this will be even more the case for the general public. Consumer awareness should be stipulated by an improved information strategy about chemical risks in consumer products with an extensive participation of the target groups and by more efforts by authorities and manufactures to build trust and to provide easily understandable information. PMID- 29214120 TI - Immobilized aptamer on gold electrode senses trace amount of aflatoxin M1. AB - An electrochemical aptasensor for detection of trace amounts of aflatoxin M1 was developed. This required immobilization of aptamer on screen printed gold electrode comprising of working electrode, counter electrode and reference electrode and was achieved by sequentially layering dithiodipropionic acid, streptavidin and biotinylated-tetraethylene glycol-aptamer. Immobilization of aptamer was monitored by cyclic voltammetry. Peak current in square wave voltammogram was inversely related to logarithmic concentration of aflatoxin M1. Dynamic range of sensor was 1-105 ppt aflatoxin M1. Sensor can be regenerated by treating electrode with 10% sodium dodecyl sulfate or 40 mM tris-HCl (pH 8.0) containing 10 mM ethylenediaminetetraacetic acid and 0.02% tween-20. PMID- 29214121 TI - Towards One-Step Quantitation of Prostate-Specific Antigen (PSA) in Microfluidic Devices: Feasibility of Optical Detection with Nanoparticle Labels. AB - Rapid and quantitative prostate-specific antigen (PSA) biomarker detection would be beneficial to cancer diagnostics, improving early detection and therefore increasing chances of survival. Nanoparticle-based detection is routinely used in one-step nitrocellulose-based lateral flow (LF) immunoassays; however, it is well established within the scientific diagnostic community that LF technology lacks sensitivity for measuring biomarkers, such as prostate-specific antigen (PSA). A trend in point-of-care (POC) protein biomarker quantitation is the miniaturization of immunoassays in microfluidic devices. This work aimed at testing the feasibility of carbon and gold nanoparticles as immunoassay labels for PSA detection with cost-effective optical detection in a novel microfluidic POC platform called microcapillary film (MCF), consisting of a parallel array of fluoropolymer microcapillaries with 200-MUm internal diameter. With neutravidin coated carbon, nanoparticles were able to quantify an immobilized biotinylated monoclonal antibody (coating solution from 10 to 40 MUg/ml) and PSA was successfully quantified in a sandwich assay using silver-enhanced gold nanoparticles and a flatbed scanner; yet, the dynamic range was limited to 10-100 ng/ml. Although direct optical detection of PSA without enzymatic amplification or fluorophores is possible and technically appealing for the simplified fluidics and signal scanning setups involved, ultimately, the binding of a thin layer of nanoparticles onto the wall of transparent microcapillaries is not sufficient to cause a significant drop on the optical colorimetric signal. Future studies will explore the use of fluorescence nanoparticles. PMID- 29214123 TI - Pay for performance - motivation to succeed in Advanced Trauma Life Support courses - a question of background or funding? AB - Objective: To correlate students' performance with their professional background and motivation to take part in Advanced Trauma Life Support (ATLS) courses. We base our analysis on the self-determination theory that differentiates intrinsic (ambition to perform by individual itself) from extrinsic motivation (incentive by external stimuli). Design: We present a non-blinded, monocentric, non randomized descriptive study of 376 students taking part in an ATLS course at one course site in Germany. Part of a two-day ATLS course are two written tests; we correlate test scores with background information provided by the students in a questionnaire of 13 items (age, sex, adress, board certification, specialty, subspecialty, position, hospital level of care, hospital operator and hospital participation in trauma network, motivation, funding source, condition of funding). Setting: The students were recuited at the BG Trauma Center Ludwigshafen (Germany), a large 528-bed trauma center and one of 13 ATLS course sites in Germany. Participants: 449 ATLS course students taking part in ATLS courses at the above-mentioned course site from February 2009 to May 2010 were sent a questionnaire asking for their background. All 449 course students were eligible to participate. 376 (83.7%) questionnaires were returned, pre- and post test results of all students aquired and included into our calculations. 312 (83%) were male and 64 (17%) female. The majority (59.3%) of recruited students came from trauma surgery, 21.8% from anesthesiology, 8% from general surgery, 4% from abdominal surgery, 0.5% from vascular or thoracic surgery each and 5.9% from other specialties. Results: Neither age, sex, subspecialty, hospital level of care, hospital operator, or hospital participation in trauma network played a role with respect to motivation or test results. The high degree of intrinsic motivation of consultants (92.3%) had no impact on their test results. Anesthesiologists were higher motivated (75.6% intrinsically motivated) in contrast to all surgical colleagues (63.6%), which showed significant differences in the pre- (89.8% vs. 85.3%, p=0.03) but not the post-test. Of all 13.6% students who were self-payers, 94.1% were intrinsically motivated; the 86.2% whose course fee was accounted for were less likely to be intrinsically motivated (63.9%). Sponsoring however did not have a negative impact on test results. Conditional funding (sponsored only on passing both tests) was detrimental to motivation: 0% of these individuals were intrinsically motivated and they scored significantly lower (82.5%) than all other students in the post-test (86.9%, p=0.002). Overall, intrinsically motivated students overtopped extrinsically motivated students in the post-test (88.0% vs. 83.4%, p<0.001). Conclusions: ATLS course participation is not compulsory for medical doctors in Germany. Intrinsic motivation to take part in these courses is a key prerequisite to increase performance, irrespective of the background of the students. Intrinsically motivated students are ready to invest into their education and vice versa. Conditional funding (course fee only sponsored on passing the course) evokes no intrinsic motivation at all and causes worse results. PMID- 29214122 TI - Peripheral nerve sheath tumors of the upper extremity and hand in patients with neurofibromatosis type 1: topography of tumors and evaluation of surgical treatment in 62 patients. AB - Objective: Neurofibromatosis type 1 (NF1) is an autosomal dominant tumor predisposition syndrome with a tendency to develop peripheral nerve sheath tumors (PNST). Plexiform neurofibromas (PNF) are detected in a high proportion of affected patients. The tumors can lead to severe disfigurement and are classified as precancerous. This study examines the surgical procedures that have been performed on large PNST of the upper limb and hand, and investigates whether a specific distribution pattern of the tumors can be detected in surgically treated cases. Methods: Surgical procedures on the upper extremity and hand performed on patients with NF1 were evaluated at an interval of 25 years (1992-2016). Topography of the tumors was classified according to dermatomes. The number of interventions per patient, duration of operations, and complications of the interventions were registered. An overview of the surgical treatment of PNST of the upper limb and hand was obtained from the literature, with special consideration of the genetic background of treated tumors. Results: One hundred and sixty-three surgical interventions on the upper limb and hand were performed in 62 patients with NF1 for the treatment of large PNST, predominantly PNF (age: mean value: 27.33 years, male: 33, female: 29; right side: 25, left side: 26, bilateral: 7). Surgical procedures lasted an average of 72.47 minutes. In approximately half of the patients, one surgical procedure was sufficient. Duration of stay in hospital was on average 7-11 days. Neurological complications were rarely noted and occurred only temporarily. There were no dermatomes affected by PNF with particular frequency. However, some dermatomes were more often simultaneously affected by a PNF at the same time as others. Conclusion: Although the distribution pattern shows some accumulation of tumor localization, tumors are distributed evenly and show very variable size and extent in individual cases. Surgical treatment of PNF of the upper limb and hand helps alleviate the physical discomfort that these patients have from their disfiguring disease. Repeated interventions are necessary relatively often in order to adapt the tumorous region to the outline of the limb and to improve its function. PMID- 29214124 TI - Culture and emotion perception: comparing Canadian and Japanese children's and parents' context sensitivity. AB - Prior research on the perception of facial expressions suggests that East Asians are more likely than North Americans to incorporate the expressions of background figures into their judgment of a central figure's emotion (Masuda et al. in J Pers Soc Psychol 94:365-381, 2008b). However, little research has examined this issue in the context of developmental science, especially during joint sessions where parents engage in a task in front of their 7-8-year-old children. In this study, 22 Canadian and 20 Japanese child-parent dyads participated in an emotion judgment task, and were asked to judge a central figure's emotion and explain their reasoning. The results indicated that while early elementary school children did not show culturally dominant reasoning styles, parents displayed culturally dominant modes of attention, serving as models for their children. PMID- 29214125 TI - Toward Wearable Energy Storage Devices: Paper-Based Biofuel Cells based on a Screen-Printing Array Structure. AB - A novel paper-based biofuel cell with a series/parallel array structure has been fabricated, in which the cell voltage and output power can easily be adjusted as required by printing. The output of the fabricated 4-series/4-parallel biofuel cell reached 0.97+/-0.02 mW at 1.4 V, which is the highest output power reported to date for a paper-based biofuel cell. This work contributes to the development of flexible, wearable energy storage device. PMID- 29214127 TI - In situ synthesis of silver nanoparticles on the surface of PDMS with high antibacterial activity and biosafety toward an implantable medical device. AB - We developed a straightforward method to fabricate antibacterial silicon films via the in situ synthesis of silver nanoparticles (AgNPs) on a polydimethylsiloxane (PDMS) film. To grow AgNPs attached on the film, AgNP seeds were synthesized through the reduction of silver ions electrostatically bound to hydroxyl groups formed on the surface of the film after treatment with air plasma. In the growth reaction, silver ions were reduced on the seeds of AgNPs by sodium citrate in a solution of AgNO3, which allowed for the formation of AgNPs with sizes of up to ~ 500 nm, which The formed AgNPs on the films were characterized using UV-vis spectrophotometer, scattering electron microscope and induced coupled mass spectrometer. The amount of AgNPs was estimated to be less than 0.05% of the total film weight. Even though it was coated with a small amount of AgNPs, the PDMS film exhibited reduction of E. coli and S. aureus with values of log10 4.8 and log10 5.7, respectively. The biosafety of the AgNP attached PDMS film was examined by contact of cells with the film or film eluent. Counting of viable cells revealed no significant cytotoxicity of the in situ fabricated AgNPs on the PDMS film. PMID- 29214126 TI - Pharmacologic Complement Inhibition in Clinical Transplantation. AB - Purpose of Review: Over the past two decades, significant strides made in our understanding of the etiology of antibody-mediated rejection (AMR) in transplantation have put the complement system in the spotlight. Here, we review recent progress made in the field of pharmacologic complement inhibition in clinical transplantation and aim to understand the impact of this therapeutic approach on outcomes in transplant recipients. Recent Findings: Encouraged by the success of agents targeting the complement cascade in disorders of unrestrained complement activation like paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS), investigators are testing the safety and efficacy of pharmacologic complement blockade in mitigating allograft injury in conditions ranging from AMR to recurrent post-transplant aHUS, C3 glomerulopathies and antiphospholipid anti-body syndrome (APS). A recent prospective study demonstrated the efficacy of terminal complement inhibition with eculizumab in the prevention of acute AMR in human leukocyte antigen (HLA) incompatible living donor renal transplant recipients. C1 esterase inhibitor (C1 INH) was well tolerated in two recent studies in the treatment of AMR and was associated with improved renal allograft function. Summary: Pharmacologic complement inhibition is emerging as valuable therapeutic tool, especially in the management of highly sensitized renal transplant recipients. Novel and promising agents that target various elements in the complement cascade are in development. Graphical Abstract?. PMID- 29214128 TI - A Clinic-Based Assessment for Evaluating Job-Related Social Skills in Adolescents and Adults with Autism. AB - Many individuals with autism spectrum disorder (ASD) have difficulties obtaining and maintaining employment, yet little research has evaluated methods for assessing and improving critical vocational skills. In this study, we evaluated an assessment of job-related social skills for individuals with ASD by arranging conditions that simulated on-the-job experiences in a clinic setting. The experimenter contrived situations to assess a variety of social skills, including asking for help, asking for more materials, and responding to corrective feedback. A total of eight individuals, aged 16 to 32 years, participated. Results suggested that the assessment was useful for identifying specific social skills that could be targeted for intervention to increase success in the work environment. These findings add to the current literature by demonstrating an objective method for assessing a variety of job-related social skills under controlled, naturalistic conditions. PMID- 29214129 TI - Using Multiple Exemplar Training to Teach Empathy Skills to Children with Autism. AB - The purpose of the study was to use multiple exemplar training to teach empathetic responding to two children with autism. Three emotions-happiness, frustration and sadness/pain-were chosen for this purpose. Treatment consisted of verbal prompting and reinforcement of empathetic responses. Four experimenter defined categories with discriminative stimuli were used for each emotion. The multiple exemplar component of the model consisted of teaching responses in the presence of several discriminative stimuli drawn from the predefined categories for each emotion delivered by two persons across two environments. Results were evaluated using a multiple baseline design across behaviours and indicate a systematic increase in responses with the introduction of treatment across each category for both participants. Generalization of responses from training to non training stimuli in both participants was observed during probe trials and was maintained during follow-up probes. PMID- 29214130 TI - Measuring Adherence to a Nutrition and Exercise Lifestyle Intervention: Is Program Adherence Related to Excessive Gestational Weight Gain? AB - To identify adherence required to achieve target health outcome(s) in nutrition and/or exercise interventions, a measurement tool that tracks objective and self reported measures of adherence is necessary. The purpose of this study was to design an adherence measurement tool and test it retrospectively on the Nutrition and Exercise Lifestyle Intervention Program (NELIP; Ruchat et al., Medicine and Science in Sports and Exercise, 44(8), 1419-1426, 2012; Mottola et al., Medicine and Science in Sports and Exercise, 42(2), 265-272, 2010), designed to prevent excessive gestational weight gain (EGWG). The tool was based on the goals of the NELIP and included a grading system for each behavior (exercise and nutrition). It was used to determine whether adherence scores could differentiate excessive versus acceptable weight gain during pregnancy across pre-pregnancy body mass index (BMI) categories. Results showed irrespective of pre-pregnancy BMI, women with acceptable weight gain had significantly higher adherence (p < 0.05) than women with excessive weight gain. It is recommended that this adherence tool be included in future prospective lifestyle intervention studies. PMID- 29214131 TI - The Use of Behavioral Skills Training to Teach Graph Analysis to Community Based Teachers. AB - In this study, the experimenter trained three teachers to implement data decision rules to detect when instructional changes should be made during the visual analysis of discrete-trial percentage graphs. The experimenter used a concurrent, multiple-baseline design across participants. The experimenter trained the teachers to follow decision-making rules using instruction, modeling, rehearsal, and feedback. Following intervention, participants increased the percentage of correct data-based decisions and decreased the percentage of errors. PMID- 29214132 TI - Practice Recommendations for Addressing Problem Behaviors in Siblings with Autism Spectrum Disorder. AB - Children with autism spectrum disorder (ASD) display an increased prevalence of problem behavior, relative to the typically developing population. Given the heritability of ASD and its growing prevalence, clinicians who implement behavioral treatments are likely to encounter families with siblings with ASD who exhibit problem behavior. Thus, there is a need for guidance for treatment of problem behavior for these families. This paper presents strategies for conducting behavioral assessments, developing treatments for problem behaviors, caregiver training, and generalization strategies when there are multiple affected children in one family. A case study is presented to illustrate the key clinical decisions made to increase the likelihood of a successful treatment outcome for these families. PMID- 29214133 TI - Systematic Review of Functional Analysis and Treatment of Elopement (2000-2015). AB - Elopement is a dangerous behavior that is emitted by a large proportion of individuals with intellectual and developmental disabilities. Functional analysis and function-based treatments are critical in identifying maintaining reinforcers and decreasing elopement. The purpose of this review was to identify recent trends in the functional analysis and treatment of elopement, as well as determine the efficacy (standardized mean differences) of recent treatments. Over half of subjects' elopement was maintained by social positive reinforcement, while only 25% of subjects' elopement was maintained by social negative reinforcement. Elopement was rarely maintained by automatic reinforcement, and none of the studies in the current review evaluated treatments to address automatically maintained elopement. Functional communication training was the most common intervention regardless of function. Results are discussed in terms of clinical implications and directions for future research. PMID- 29214134 TI - A Response to Papatola and Lustig's Paper on Navigating a Managed Care Peer Review: Guidance for Clinicians Using Applied Behavior Analysis in the Treatment of Children on the Autism Spectrum. AB - In their 2016 article, "Navigating a Managed Care Peer Review: Guidance for Clinicians Using Applied Behavior Analysis [ABA] in the Treatment of Children on the Autism Spectrum," Papatola and Lustig provide an overview of the managed care process, discuss the medical necessity of ABA, and offer guidance to clinicians on how to navigate the managed care peer review process. Given that the authors are employed by a large international health insurance carrier and conduct peer reviews on behalf of that organization, this response seeks to provide guidance from both the clinical and public policy perspectives that reflect best practices in the field of autism treatment. This response is not written with the intention of providing or replacing legal advice; rather, this paper offers health care providers of ABA an essential understanding of some of the laws that govern and support their efforts to secure medically necessary treatment and the mechanisms in place with which to challenge decisions by managed care organizations, health plans, and health insurance issuers that may be contrary to best practices. Finally, suggestions are offered on how to navigate a peer review to ensure optimal outcomes and, when necessary, to lay the groundwork to overturn a funding source decision that does not reflect best practices or the standard of care in ABA-based autism treatment. PMID- 29214135 TI - Developing Procedures to Improve Therapist-Child Rapport in Early Intervention. AB - Rapport is a primary component in the development of a therapeutic relationship between health-service professionals and clients. Presession pairing is a procedure often recommended in behavior analytic practice to build rapport with clients. However, many service providers may not exhibit presession pairing skills correctly or at a sufficient rate. The current study aimed to operationally define therapist behaviors that are indicative of presession pairing and to train direct care staff to implement said skills. PMID- 29214136 TI - Training Parents in Saudi Arabia to Implement Discrete Trial Teaching with their Children with Autism Spectrum Disorder. AB - The present study evaluates the effects of a behavioral skill training package on parent implementation of discrete trial teaching with their children with autism spectrum disorder. Three mothers of children with autism participated in the study. The training package improved implementation for all three of the mothers. Moreover, these improvements generalized to skills that were not taught during training, maintained during follow-up probes, and resulted in improvements in child behavior. PMID- 29214137 TI - Speak Up: Increasing Conversational Volume in a Child with Autism Spectrum Disorder. AB - Deficits in social interactions are a hallmark of autism spectrum disorder. This study examined one relatively uncommon aspect of social interactions that has not received much attention from the literature: appropriate conversational volume. Conversational speech volume was measured using a commercially available application, and a package intervention was developed that consisted of feedback from the voice measuring application, signaling from a wrist bracelet, and differential reinforcement. The intervention was evaluated in an ABAB design and speaking at conversational volume was significantly increased when the intervention was in place and in probe conditions. PMID- 29214138 TI - Treating Food Approval-Seeking Behavior: One Bite at a Time. AB - The prevalence of feeding problems in children with autism is high. The current investigation was a treatment of a unique presentation of food-related prompt dependence with a 6-year-old boy with autism who was reliant upon approval from adults for consumption of every bite of food. Instructions were used to establish independent eating, in which the number of bites specified in the instruction was systematically increased. Independent bites increased from a baseline level of 0.67% to a final phase level of almost 100%, and the instruction was faded to "eat your lunch". PMID- 29214139 TI - The Effects of Advance Notice on Problem Behavior Occasioned by Interruptions of an Ongoing Activity in a Young Girl with Autism. AB - The current study describes a trial-based functional analysis of problem behavior conducted in a home setting for a 7-year-old girl with autism. Problem behavior was occasioned by interruptions to an ongoing activity. Advance notice, in the form of a 2-min warning, and the sound of a timer were used to signal termination of a current activity and were effective at reducing problem behavior along with increasing compliance to the interruptive demands. A trial-based functional analysis, which are not common in the applied literature, was conducted in a home setting for young girl with autism, using antecedent and consequence modifications described by Hagopian, Bruzek, Bowman, and Jennett (2007), identified the variables that occasioned and maintained problem behavior were interruptions to an ongoing activity followed by regaining uninterrupted access to the previous activity. Mixed findings have been reported regarding the effectiveness of advance notice for decreasing problem behavior. Results of the current study show that an advance notice treatment package was effective for a child with autism; no escape extinction was necessary. Interruptions are part of everyday life and tolerating these changes is critical for habilitation for individuals with autism. PMID- 29214140 TI - Teacher-Conducted, Latency-Based Functional Analysis as Basis for Individualized Levels System in a Classroom Setting. AB - Latency-based functional analysis (FA) may be appropriate when stakeholders are concerned with safety or feasibility. We trained a first-year special education teacher to collect data while she implemented a latency-based FA and validated a function-based intervention. Treatment effects were generalized across paraeducators and were maintained during a 1-month follow-up. PMID- 29214141 TI - New trends in anaphylaxis. AB - This review presents the current trends in anaphylaxis management discussed at the fourth International Network for Online-Registration of Anaphylaxis (NORA) conference held in Berlin in April 2017. Current data from the anaphylaxis registry show that Hymenoptera venom, foods, and pharmaceutical drugs are still among the most frequent triggers of anaphylaxis. Rare triggers include chicory, cardamom, asparagus, and goji berries. A meta-analysis on recent trends in insect venom anaphylaxis demonstrated for the first time that, although data on the efficacy of insect venom immunotherapy is limited, the occurrence of severe reactions upon repeated sting events can be prevented and patients' quality of life improved. Molecular diagnostics of insect venom anaphylaxis have significantly improved diagnostic sensitivity and specificity. Self-treatment of anaphylaxis is of great importance. Recent data from the anaphylaxis registry show an increase (from 23% in 2012 to 29% in 2016) in the use of adrenaline as recommended in the guidelines. A survey on the implementation of guidelines conducted among the centers reporting to the anaphylaxis registry highlights the extent to which the guideline has been perceived and implemented. Reports on a variety of cases in the anaphylaxis registry illustrate the diversity of this potentially life-threatening reaction. Component-resolved diagnostics can help to specify sensitization profiles in anaphylaxis, particularly in terms of the risk for severe reactions. Recent studies on anaphylaxis awareness show that training methods are effective; nevertheless, target groups and learning methods need to undergo further scientific investigation in coming years. PMID- 29214142 TI - Molecular Mechanisms of Enzalutamide Resistance in Prostate Cancer. AB - Purpose of Review: Compensatory mechanisms leading to increased androgen receptor expression and activity after androgen ablation or anti-androgen treatment have been identified in prostate cancer. After hydroxyflutamide and bicalutamide were used in therapy of prostate cancer over many years, novel anti-androgen enzalutamide showed improved clinical activity. However, enzalutamide resistance develops over a certain time period, and molecular mechanisms responsible for this process are heterogeneous. Research Findings: As with other anti-androgens, these mechanisms include alterations of AR but also may be associated with overexpression of oncogenes which should be targeted by novel therapies. Androgen receptor splice variants have been frequently described in patients who developed enzalutamide resistance. Mutant AR F876L has been detected in patients who are resistant to enzalutamide. Glucocorticoid receptor overexpression has been observed in patient tissues and in pre-clinical models of enzalutamide resistance. Summary: There is a heterogeneous picture of enzalutamide resistance in prostate cancer and, therefore, the development of appropriate post enzalutamide treatment remains a challenge. PMID- 29214144 TI - Trajectories of emigrant quasi-citizenship: a comparative study of Mexico and Turkey. AB - In two of the busiest migration corridors of the twentieth century, namely Mexico US and Turkey-Germany, migrants can today be dual citizens. However, the acceptance of dual citizenship did not occur automatically; instead, it followed a period of legal statuses short of full citizenship. This paper conceptualises such statuses as quasi-citizenship, a transitional equilibrium between the absence of plural citizenship and the existence of transnational migration. Focusing on sending states, the emergence of emigrant quasi-citizenship is thus explained, first, in terms of whether the reciprocal regimes of emigration and immigration states diverge on the acceptance of plural citizenship. Second, the stance towards plural citizenship is explained in terms of the experience with emigration. It is then shown that, in the case of Mexico, the legacy of undesired emigration weakened the incentives to adapt the territorial conception of citizenship to expatriates, hence creating quasi-citizens, and in the case of Turkey, the higher political relevance of expatriates, who could have the host country citizenship, reinforced the external dimension of the ethno-cultural conception of citizenship. PMID- 29214143 TI - The Potential of microRNAs for Stem Cell-based Therapy for Degenerative Skeletal Diseases. AB - Purpose of Review: Degenerative skeletal disorders including osteoarthritis (OA) and osteoporosis (OP) are the result of attenuation of tissue regeneration and lead to painful conditions with limited treatment options. Preventative measures to limit the onset of OA and OP remain a significant unmet clinical need. MicroRNAs (miRNAs) are known to be involved in the differentiation of stem cells, and in combination with stem cell therapy could induce skeletal regeneration and potentially prevent OA and OP onset. Recent Findings: The combination of stem cells and miRNA has been successful at regenerating the bone and cartilage in vivo. MiRNAs, including miR-146b known to be involved in chondrogenic differentiation, could provide innovative targets for stem cell-based therapy, for the repair of articular cartilage defects forestalling the onset of OA or in the generation of a stem cell-based therapy for OP. Summary: This review discusses the combination of skeletal stem cells (SSCs) and candidate miRNAs for application in a cell-based therapy approach for skeletal regenerative medicine. PMID- 29214145 TI - Bitter orange (Citrus aurantium L.) extract subchronic 90-day safety study in rats. AB - Bitter orange (Citrus aurantium L.) extracts are widely used in dietary supplements and bitter oranges are used in various juices and food products. p Synephrine, the primary active constituent, comprises approximately 90% of total protoalkaloids. This study, performed per OECD 408 guidance, examined the 90-day subchronic safety/toxicity of an extract standardized to 50% p-synephrine at doses of 100, 300 and 1000 mg/kg/day to male and female rats. No adverse effects were observed with respect to any of the observed parameters of clinical signs, functional observations of sensory reactivity, grip strength and motor activity, ophthalmology, body weights, hematology, food consumption, urinalysis, organ weights, as well as gross and microscopic pathology at termination at any of the doses in either sex. Treatment at 1000 mg/kg body weight/day of the extract resulted in non-adverse effects including fully reversible signs of repetitive head burrowing in the bedding material and piloerection for short periods of time in both sexes immediately after administration, which gradually disappeared by treatment day-81. A slight and reversible elevation of BUN and urea levels in male rats, and slight to mild increase in the relative but not absolute heart weights of male and female rats was observed. Based on these results, the no observed-effect-level (NOEL) for this bitter orange extract standardized to 50% p synephrine was 300 mg/kg, while the no-observed-adverse-effect-level (NOAEL) was 1000 mg/kg. The results indicate a high degree of safety for this bitter orange extract. PMID- 29214146 TI - MicroRNAs and toxicology: A love marriage. AB - With the dawn of personalized medicine, secreted microRNAs (miRNAs) have come into the very focus of biomarker development for various diseases. MiRNAs fulfil key requirements of diagnostic tools such as i) non or minimally invasive accessibility, ii) robust, standardized and non-expensive quantitative analysis, iii) rapid turnaround of the test result and iv) most importantly because they provide a comprehensive snapshot of the ongoing physiologic processes in cells and tissues that package and release miRNAs into cell-free space. These characteristics have also established circulating miRNAs as promising biomarker candidates for toxicological studies, where they are used as biomarkers of drug-, or chemical-induced tissue injury for safety assessment. The tissue-specificity and early release of circulating miRNAs upon tissue injury, when damage is still reversible, are main factors for their clinical utility in toxicology. Here we summarize in brief, current knowledge of this field. PMID- 29214148 TI - Comparison of Functional Outcome after Extended versus Super-Extended Pelvic Lymph Node Dissection during Radical Prostatectomy in High-Risk Localized Prostate Cancer. AB - Background: Urinary continence and erectile function (EF) are best preserved when meticulous dissection of prostate and nerve sparing technique are used during radical prostatectomy (RP). However, extent of lymph node dissection (LND) may also adversely affect functional results. Objective: To determine whether performing a super-extended LND (seLND) has a significant effect on recovery of urinary continence and EF after RP. Design setting and participants: All patients who underwent RP from January 2007 until December 2013 were handed questionnaires assessing continence and EF. All patients in whom at least an extended LND (eLND) was performed were selected. This search yielded 526 patients. 172 of these patients had filed out 2 or more questionnaires and were included in our analysis. Outcome measurements and statistical analysis: All questionnaires were reviewed. We used Kaplan-Meier analyses and multivariate Cox analysis to assess the difference in recovery of continence and EF over time for eLND/seLND. Primary endpoints were full recovery of continence (no loss of urine) and full recovery of EF (successful intercourse possible). Patients who did not reach the endpoint when the last questionnaire was filled out were censored at that time. Median follow-up was 12.43 months for continence, and 18.97 months for EF. Results and limitations: Patients undergoing seLND have a lower chance of regaining both urinary continence [hazard ratio (HR) 0.59, 95% CI 0.39-0.90, p = 0.026] and EF (HR 0.28, 95% CI 0.13-0.57, p = 0.009). Age at surgery had a significant influence on both continence and EF in multivariate analysis. Major limitation of the study was that no formal preoperative assessment of continence and potency was done. Conclusion: Extending the LND template beyond the eLND template may cause at least a significant delay in recovery of urinary continence and leads to less recovery of EF. PMID- 29214147 TI - The Hedgehog Signaling Pathway Emerges as a Pathogenic Target. AB - The Hedgehog (Hh) signaling pathway plays an essential role in the growth, development, and homeostatis of many tissues in vertebrates and invertebrates. Much of what is known about Hh signaling is in the context of embryonic development and tumor formation. However, a growing body of evidence is emerging indicating that Hh signaling is also involved in postnatal processes such as tissue repair and adult immune responses. To that extent, Hh signaling has also been shown to be a target for some pathogens that presumably utilize the pathway to control the local infected environment. In this review, we discuss what is currently known regarding pathogenic interactions with Hh signaling and speculate on the reasons for this pathway being a target. We also hope to shed light on the possibility of using small molecule modulators of Hh signaling as effective therapies for a wider range of human diseases beyond their current use in a limited number of cancers. PMID- 29214149 TI - Measurements of Radiofrequency Radiation with a Body-Borne Exposimeter in Swedish Schools with Wi-Fi. AB - Introduction: Wireless access to the Internet is now commonly used in schools. Many schools give each student their own laptop and utilize the laptops and wireless fidelity (Wi-Fi) connection for educational purposes. Most children also bring their own mobile phones to school. Since children are obliged by law to attend school, a safe environment is important. Lately, it has been discussed if radiofrequency (RF) radiation can have long-term adverse effects on children's health. Method: This study conducted exposimetric measurements in schools to assess RF emissions in the classroom by measuring the teachers' RF exposure in order to approximate the children's exposure. Teachers in grades 7-12 carried a body-borne exposimeter, EME-Spy 200, in school during 1-4 days of work. The exposimeter can measure 20 different frequency bands from 87 to 5,850 MHz. Results: Eighteen teachers from seven schools participated. The mean exposure to RF radiation ranged from 1.1 to 66.1 uW/m2. The highest mean level, 396.6 uW/m2, occurred during 5 min of a lesson when the teacher let the students stream and watch YouTube videos. Maximum peaks went up to 82,857 uW/m2 from mobile phone uplink. Discussion: Our measurements are in line with recent exposure studies in schools in other countries. The exposure levels varied between the different Wi Fi systems, and if the students were allowed to use their own smartphones on the school's Wi-Fi network or if they were connected to GSM/3G/4G base stations outside the school. An access point over the teacher's head gave higher exposure compared with a school with a wired Internet connection for the teacher in the classroom. All values were far below International Commission on Non-Ionizing Radiation Protection's reference values, but most mean levels measured were above the precautionary target level of 3-6 uW/m2 as proposed by the Bioinitiative Report. The length of time wireless devices are used is an essential determinant in overall exposure. Measures to minimize children's exposure to RF radiation in school would include preferring wired connections, allowing laptops, tablets and mobile phones only in flight mode and deactivating Wi-Fi access points, when not used for learning purposes. PMID- 29214150 TI - The PhysioCam: A Novel Non-Contact Sensor to Measure Heart Rate Variability in Clinical and Field Applications. AB - Heart rate variability (HRV) is a reliable indicator of health status and a sensitive index of autonomic stress reactivity. Stress negatively affects physical and psychological wellness by decreasing cardiovascular health and reducing quality of life. Wearable sensors have made it possible to track HRV during daily activity, and recent advances in mobile technology have reduced the cost and difficulty of applying this powerful technique. Although advances have made sensors smaller and lighter, some burden on the subject remains. Chest-worn electrocardiogram (ECG) sensors provide the optimal source signal for HRV analysis, but they require obtrusive electrode or conductive material adherence. A less invasive surrogate of HRV can be derived from the arterial pulse obtained using the photoplethysmogram (PPG), but sensor placement requirements limit the application of PPG in field research. Factors including gender, age, height, and weight also affect PPG-HRV level, but PPG-HRV is sufficient to track individual HRV reactions to physical and mental challenges. To overcome the limitations of contact sensors, we developed the PhysioCam (PhyC), a non-contact system capable of measuring arterial pulse with sufficient precision to derive HRV during different challenges. This passive sensor uses an off the shelf digital color video camera to extract arterial pulse from the light reflected from an individual's face. In this article, we validate this novel non-contact measure against criterion signals (ECG and PPG) in a controlled laboratory setting. Data from 12 subjects are presented under the following physiological conditions: rest, single deep breath and hold, and rapid breathing. The following HRV parameters were validated: interbeat interval (IBI), respiratory sinus arrhythmia (RSA), and low frequency HRV (LF). When testing the PhyC against ECG or PPG: the Bland-Altman plots for the IBIs show no systematic bias; correlation coefficients (all p values < 0.05) comparing ECG to PhyC for IBI and LF approach 1, while RSA correlations average 0.82 across conditions. We discuss future refinements of the HRV metrics derived from the PhyC that will enable this technology to unobtrusively track indicators of health and wellness. PMID- 29214151 TI - Association between Depression and Factors Affecting Career Choice among Jordanian Nursing Students. AB - Background: Although stress reaction is high among nursing staff and nursing students in the Middle East and its effect on life is known, there are scant studies reporting on these clinical and social features. In addition, there are no studies reporting on factors that influence career choice among this group. Aim: This study aimed to investigate factors that influence career choice among nursing students and their possible association with depressive symptoms. Method: Participants were 150 (84.7% response rate) nursing students randomly selected from each academic year at the Nursing College/Jordan University of Science and Technology. Participants consented and completed the socio-demographic data collection sheet. The Arabic version of the Beck Depression Inventory-II Scale was used to assess participants with respect to depressive symptoms. A modified list of factors influencing career choice and a Likert scale to assess the level of sadness and the degree of religiosity were used as well. Results: Students ranked the most important three factors influencing their career selection as family decision, religious factors, and the desire to care for others. The prevalence of depression among the sample was 26%. Students who had a desire to care for others were less likely to suffer from depression and those who chose nursing as their career due to religious factors were significantly less depressed than those who did not. Meanwhile, students who chose nursing under family pressure or because of a lack of alternative opportunities were more depressed. The odds ratio for depressive symptoms was 0.24 when students chose nursing because of religious factors, whereas it was 4.92 when the family strongly influenced the student's career decision and 3.61 when a nursing career was the only perceived opportunity available. Conclusion: The main factors associated with depression among this sample of nursing students were pressure from their family to choose a nursing career and having no other career or employment opportunities. Religiosity was negatively associated with depression and may act as a protective factor; however, future studies using longitudinal designs will need to confirm this hypothesis. PMID- 29214152 TI - Identification of Candidate Casein Kinase 2 Substrates in Mitosis by Quantitative Phosphoproteomics. AB - Protein phosphorylation is a crucial regulatory mechanism that controls many aspects of cellular signaling. Casein kinase 2 (CK2), a constitutively expressed and active kinase, plays key roles in an array of cellular events including transcription and translation, ribosome biogenesis, cell cycle progression, and apoptosis. CK2 is implicated in cancerous transformation and is a therapeutic target in anti-cancer therapy. The specific and selective CK2 ATP competitive inhibitor, CX-4945 (silmitaseratib), is currently in phase 2 clinical trials. While many substrates and interactors of CK2 have been identified, less is known about CK2 substrates in mitosis. In the present work, we utilize CX-4945 and quantitative phosphoproteomics to inhibit CK2 activity in mitotically arrested HeLa cells and determine candidate CK2 substrates. We identify 330 phosphorylation sites on 202 proteins as significantly decreased in abundance upon inhibition of CK2 activity. Motif analysis of decreased sites reveals a linear kinase motif with aspartic and glutamic amino acids downstream of the phosphorylated residues, which is consistent with known substrate preferences for CK2. To validate specific candidate CK2 substrates, we perform in vitro kinase assays using purified components. Furthermore, we identified CK2 interacting proteins by affinity purification-mass spectrometry (AP-MS). To investigate the biological processes regulated by CK2 in mitosis, we perform network analysis and identify an enrichment of proteins involved in chromosome condensation, chromatin organization, and RNA processing. We demonstrate that overexpression of CK2 in HeLa cells affects proper chromosome condensation. Previously, we found that phosphoprotein phosphatase 6 (PP6), but not phosphoprotein phosphatase 2A (PP2A), opposes CK2 phosphorylation of the condensin I complex, which is essential for chromosome condensation. Here, we extend this observation and demonstrate that PP6 opposition of CK2 is a more general cellular regulatory mechanism. PMID- 29214153 TI - Alzheimer's Disease Diagnosis: Discrepancy between Clinical, Neuroimaging, and Cerebrospinal Fluid Biomarkers Criteria in an Italian Cohort of Geriatric Outpatients: A Retrospective Cross-sectional Study. AB - Background: The role of cerebrospinal fluid (CSF) biomarkers, and neuroimaging in the diagnostic process of Alzheimer's disease (AD) is not clear, in particular in the older patients. Objective: The aim of this study was to compare the clinical diagnosis of AD with CSF biomarkers and with cerebrovascular damage at neuroimaging in a cohort of geriatric patients. Methods: Retrospective analysis of medical records of >=65-year-old patients with cognitive impairment referred to an Italian geriatric outpatient clinic, for whom the CSF concentration of amyloid-beta (Abeta), total Tau (Tau), and phosphorylated Tau (p-Tau) was available. Clinical diagnosis (no dementia, possible and probable AD) was based on the following two sets of criteria: (1) the Diagnostic Statistical Manual of Mental Disorders (DSM-IV) plus the National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Association (NINCDS-ADRDA) and (2) the National Institute on Aging Alzheimer's Association (NIA-AA). The Fazekas visual scale was applied when a magnetic resonance imaging scan was available. Results: We included 94 patients, mean age 77.7 years, mean Mini Mental State Examination score 23.9. The concordance (kappa coefficient) between the two sets of clinical criteria was 70%. The mean CSF concentration (pg/ml) (+/-SD) of biomarkers was as follows: Abeta 687 (+/-318), Tau 492 (+/-515), and p-Tau 63 (+/-56). There was a trend for lower Abeta and higher Tau levels from the no dementia to the probable AD group. The percentage of abnormal liquor according to the local cutoffs was still 15 and 21% in patients without AD based on the DSM-IV plus NINCDS-ADRDA or the NIA-AA criteria, respectively. The exclusion of patient in whom normotensive hydrocephalus was suspected did not change these findings. A total of 80% of patients had the neuroimaging report describing chronic cerebrovascular damage, while the Fazekas scale was positive in 45% of patients overall, in 1/2 of no dementia or possible AD patients, and in about 1/3 of probable AD patients, with no difference across ages. Conclusion: We confirmed the expected discrepancy between different approaches to the diagnosis of AD in a geriatric cohort of patients with cognitive impairment. Further research is needed to understand how to interpret this discrepancy and provide clinicians with practical guidelines. PMID- 29214154 TI - The Search for Biomarkers in Hereditary Angioedema. AB - The unpredictable nature of attacks of tissue swelling in hereditary angioedema requires the identification of reliable biomarkers to monitor disease activity as well as response to therapy. At present, one can assess a C4 level (by ELISA) to assist in diagnosis but neither C4 nor C1 inhibitor levels reflect clinical course or prognosis. We will here review a collection of plasma proteins involved in blood coagulation, fibrinolysis, and innate immunity (Figure 1). A main focus is those proteins that are key to the formation of bradykinin (BK); namely, factor XII, plasma prekallikrein/kallikrein, high-molecular weight kininogen, and BK itself since overproduction of BK is key to the disease. Considerations include new approaches to measurement of active enzymes, ELISA methods that may supersede SDS gel analysis of bond cleavages, and examples of changes outside the BK cascade that may reflect when, where, and how an attack of swelling is initiated. We will discuss their usefulness as biomarker candidates, with pros and cons, and compare the analytical methods that are being developed to measure their levels or activity. PMID- 29214155 TI - A Pilot Randomized Controlled Trial of a Technology-Based Approach for Preventing Excess Weight Gain during Pregnancy among Women with Overweight. AB - Objective: Overweight/obesity and excess weight gain during pregnancy are associated with adverse maternal and neonatal outcomes. Few interventions have been effective in limiting gestational weight gain among women with overweight or obesity. This pilot, randomized clinical trial compared treatment as usual (TAU) to a lifestyle modification program delivered via phone for the prevention of excess gestational weight gain in women who had overweight or obesity. Methods: Participants included 41 pregnant women with a body mass index (BMI) >= 25 kg/m2 (mean age = 28.7 +/- 5.8 years; mean pre-gravid BMI = 31.2 +/- 6.2 kg/m2; 54% black, 39% white). The intervention group (n = 20) received weekly telephone counseling sessions and used WiFi scales to monitor their weight from weeks 16 to 36 of pregnancy. We compared differences in weight and birth outcomes for the intervention vs. the TAU group (n = 21). Results: The intervention and TAU groups did not differ with respect to: gestational weight gain (15.5 +/- 5.3 vs. 13.3 +/ 6.8 kg, respectively); proportion gaining above the 2009 Institute of Medicine recommended weight range (83 vs. 70%); and weight gain from pre-pregnancy weight to 6 weeks postpartum (4.8 +/- 4.6 vs. 3.0 +/- 5.5 kg). Other birth and health outcomes also did not differ. Conclusion: A telemedicine intervention designed to decrease logistical burden on participants was not more successful in reducing excessive weight gain during pregnancy as compared to TAU. Future studies should examine more intensive forms of remote treatment beginning earlier in pregnancy as well as interventions promoting a healthy weight prior to pregnancy. PMID- 29214156 TI - Off-Target Effects of Drugs that Disrupt Human Mitochondrial DNA Maintenance. AB - Nucleoside reverse transcriptase inhibitors (NRTIs) were the first drugs used to treat human immunodeficiency virus (HIV) the cause of acquired immunodeficiency syndrome. Development of severe mitochondrial toxicity has been well documented in patients infected with HIV and administered NRTIs. In vitro biochemical experiments have demonstrated that the replicative mitochondrial DNA (mtDNA) polymerase gamma, Polg, is a sensitive target for inhibition by metabolically active forms of NRTIs, nucleotide reverse transcriptase inhibitors (NtRTIs). Once incorporated into newly synthesized daughter strands NtRTIs block further DNA polymerization reactions. Human cell culture and animal studies have demonstrated that cell lines and mice exposed to NRTIs display mtDNA depletion. Further complicating NRTI off-target effects on mtDNA maintenance, two additional DNA polymerases, Pol beta and PrimPol, were recently reported to localize to mitochondria as well as the nucleus. Similar to Polg, in vitro work has demonstrated both Pol beta and PrimPol incorporate NtRTIs into nascent DNA. Cell culture and biochemical experiments have also demonstrated that antiviral ribonucleoside drugs developed to treat hepatitis C infection act as off-target substrates for POLRMT, the mitochondrial RNA polymerase and primase. Accompanying the above-mentioned topics, this review examines: (1) mtDNA maintenance in human health and disease, (2) reports of DNA polymerases theta and zeta (Rev3) localizing to mitochondria, and (3) additional drugs with off-target effects on mitochondrial function. Lastly, mtDNA damage may induce cell death; therefore, the possibility of utilizing compounds that disrupt mtDNA maintenance to kill cancer cells is discussed. PMID- 29214157 TI - Towards a global initiative for fibrosis treatment (GIFT). AB - Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease characterised by increased scarring of lung tissue. Despite the recent introduction of novel drugs that slow disease progression, IPF remains a deadly disease, and the benefits of these new drugs differ markedly between patients. Human diseases arise due to alterations in an almost limitless network of interconnected genes, proteins, metabolites, cells and tissues, in direct relationship with a continuously changing macro- or microenvironment. Systems biology is a novel research strategy that seeks to understand the structure and behaviour of the so called "emergent properties" of complex systems, such as those involved in disease pathogenesis, which are most often overlooked when just one element of disease pathogenesis is observed in isolation. This article summarises the debate that took place during a European Respiratory Society research seminar in Barcelona, Spain on December 15-16, 2016, which focused on how systems biology could generate new data by integrating the different IPF pathogenic levels of complexity. The main conclusion of the seminar was to create a global initiative to improve IPF outcomes by integrating cutting-edge international research that leverages systems biology to develop a precision medicine approach to tackle this devastating disease. PMID- 29214158 TI - Optical Coherence Tomography: Basic Concepts and Applications in Neuroscience Research. AB - Optical coherence tomography is a micrometer-scale imaging modality that permits label-free, cross-sectional imaging of biological tissue microstructure using tissue backscattering properties. After its invention in the 1990s, OCT is now being widely used in several branches of neuroscience as well as other fields of biomedical science. This review study reports an overview of OCT's applications in several branches or subbranches of neuroscience such as neuroimaging, neurology, neurosurgery, neuropathology, and neuroembryology. This study has briefly summarized the recent applications of OCT in neuroscience research, including a comparison, and provides a discussion of the remaining challenges and opportunities in addition to future directions. The chief aim of the review study is to draw the attention of a broad neuroscience community in order to maximize the applications of OCT in other branches of neuroscience too, and the study may also serve as a benchmark for future OCT-based neuroscience research. Despite some limitations, OCT proves to be a useful imaging tool in both basic and clinical neuroscience research. PMID- 29214159 TI - Quality of Care during Neonatal Resuscitation in Kakamega County General Hospital, Kenya: A Direct Observation Study. AB - Background: Birth asphyxia is the leading cause of neonatal mortality in Kenya. Quality care during neonatal resuscitation (NR) can contribute to a reduction in neonatal mortality related to birth asphyxia by 30 percent. This study assessed the quality of care (QoC) during NR for newborns with birth asphyxia. Methods: Direct observations of 138 newborn resuscitations were done in labor ward and maternity theatre. Twenty-eight healthcare providers were observed 3-5 times using a structured checklist. Descriptive and inferential statistics were calculated and quality of care scores computed. Ordered logistic regression model identified HCPs characteristics associated with the QoC scores during NR. Results: Overall QoC scores were good for airway clearance (83%). Suctioning in meconium presence (40%) was poorly performed. Years of experience working in maternity were associated with good drying/stimulation (beta = 1.86, P = 0.003, CI = 0.626-3.093) and airway maintenance (beta = 1.887, P = 0.009, CI = 0.469 3.305); nurses were poor compared to doctors during initial bag and mask ventilation (beta = -2.338, P = 0.05, CI = -4.732-0.056). Conclusion: Key steps in NR are poorly performed during drying and warmth, airway maintenance in meconium presence, and ventilation. Mentorship with periodic refresher training can improve the care provided during NR. PMID- 29214160 TI - miR-217 Is a Useful Diagnostic Biomarker and Regulates Human Podocyte Cells Apoptosis via Targeting TNFSF11 in Membranous Nephropathy. AB - Background: MicroRNAs have recently been verified as useful diagnostic biomarkers in various diseases. In this study, we investigated whether miR-217 is a useful diagnostic biomarker and the possible pathological mechanism of miR-217 in this disease. Methods: Patients with focal segmental glomerulosclerosis (FSGS), membranous nephropathy (MN), and diabetic nephropathy (DN) and control patients were enrolled in this study. The miR-217 inhibitor and mimics were transfected into human podocyte cells to investigate the pathological mechanism of miR-217 in this disease. Relevant indicators were detected and tested. Results: Compared with control patients, miR-217 was significantly downregulated and TNFSF11 was significantly upregulated in MN. Then, miR-217 had obvious separation between patients with MN and control patients, with an AUC of 0.941, a cutoff value of <750.0 copies/ul, and sensitivity and specificity of 88.9% and 75.9%. In addition, the TNFSF11 was confirmed to be the target gene of miR-217. Finally, in in vitro experiments, the upregulation of miR-217 could decrease the expression of TNFSF11 and not induce human podocyte cells apoptosis; however, the downregulation of miR-217 could bring about an opposite change. Conclusions: miR 217 is a useful diagnostic biomarker and is involved in human podocyte cells apoptosis via targeting TNFSF11 in membranous nephropathy. PMID- 29214161 TI - Brain Computer Interface Systems for Neurorobotics: Methods and Applications. PMID- 29214162 TI - Current Tissue Molecular Markers in Colorectal Cancer: A Literature Review. AB - Background: Colorectal cancer (CRC) is one of the most spread neoplasia types all around the world, especially in western areas. It evolves from precancerous lesions and adenomatous polyps, through successive genetic and epigenetic mutations. Numerous risk factors intervene in its development and they are either environmental or genetic. Aim of the Review: Alongside common screening techniques, such as fecal screening tests, endoscopic evaluation, and CT colonography, we have identified the most important and useful biomarkers and we have analyzed their role in the diagnosis, prevention, and prognosis of CRC. Conclusion: Biomarkers can become an important tool in the diagnostic and therapeutic process for CRC. But further studies are needed to identify a noninvasive, cost-effective, and highly sensible and specific screening test for their detection and to standardize their use in clinical practice. PMID- 29214163 TI - Protective Effects of Pyridoxamine Supplementation in the Early Stages of Diet Induced Kidney Dysfunction. AB - Pyridoxamine, a structural analog of vitamin B6 that exerts antiglycative effects, has been proposed as supplementary approach in patients with initial diabetic nephropathy. However, the molecular mechanism(s) underlying its protective role has been so far slightly examined. C57Bl/6J mice were fed with a standard diet (SD) or a diet enriched in fat and fructose (HD) for 12 weeks. After 3 weeks, two subgroups of SD and HD mice started pyridoxamine supplementation (150 mg/kg/day) in the drinking water. HD fed mice showed increased body weight and impaired glucose tolerance, whereas pyridoxamine administration significantly improved insulin sensitivity, but not body weight, and reduced diet-induced increase in serum creatinine and urine albumin. Kidney morphology of HD fed mice showed strong vacuolar degeneration and loss of tubule brush border, associated with a drastic increase in both advanced glycation end products (AGEs) and AGEs receptor (RAGE). These effects were significantly counteracted by pyridoxamine, with consequent reduction of the diet-induced overactivation of NF-kB and Rho/ROCK pathways. Overall, the present study demonstrates for the first time that the administration of the antiglycative compound pyridoxamine can reduce the early stages of diet-dependent kidney injury and dysfunction by interfering at many levels with the profibrotic signaling and inflammatory cascades. PMID- 29214164 TI - Outcome of Critically Ill Patients with Testicular Cancer. AB - Purpose: To evaluate the clinical characteristics and outcomes of critically ill patients with testicular cancer (TC) admitted to an oncological intensive care unit (ICU). Methods: This was a prospective observational study. There were no interventions. Results: During the study period, 1,402 patients with TC were admitted to the Department of Oncology, and 60 patients (4.3%) were admitted to the ICU. The most common histologic type was nonseminomatous germ cell tumors (55/91.7%). The ICU, hospital, and 6-month mortality rates were 38.3%, 45%, and 63.3%, respectively. The Cox multivariate analysis identified the white blood cells count (HR = 1.06, 95% CI = 1.01-1.11, and P = 0.005), ionized calcium (iCa) level (HR = 1.23, 95% CI = 1.01-1.50, and P = 0.037), and 2 or more organ failures during the first 24 hours after ICU admission (HR = 3.86, 95% CI = 1.96 7.59, and P < 0.001) as independent predictors of death for up to 6 months. Conclusion: The ICU, hospital, and 6-month mortality rates were 38.3%, 45%, and 63.3%, respectively. The factors associated with an increased 6-month mortality rate were white blood cells count, iCa level, and 2 or more organ failures during the first 24 hours after ICU admission. PMID- 29214165 TI - Safety Assessment and Comparison of Sodium Selenite and Bioselenium Obtained from Yeast in Mice. AB - Detailed safety assessment of sodium selenite and bioselenium (bio-Se) was conducted and the results were compared and discussed for the purpose of assessing safety of bio-Se for use in food applications. In this work, acute toxicity studies, micronucleus test, and sperm aberration study in mice, 30-day feeding test of mice, were conducted to evaluate the toxicity of bio-Se obtained from yeast with different fermentation time (transformative time: one month, three months, and six months), and the results were compared with that of inorganic Se (sodium selenite). LD50 of sodium selenite was calculated to be 21.17 mg/kg. LD50 of bio-Se obtained from yeast with different fermentation time was calculated to be 740.2 mg/kg, 915.3 mg/kg, and 1179.0 mg/kg, respectively. In the genotoxicity test, bio-Se did not show cytotoxicity and genotoxicity of mice while sodium selenite at all dose groups was significantly different from the negative group. In the 30-day subchronic oral toxicity study, sodium selenite may slow down the growth of the mice and lead to organic damage to some extent. Bio Se had facilitated effect towards the body weight of the mice and had no significant effect on the shape and function of the important organs of the mice. PMID- 29214167 TI - Comparison of US Strain Elastography and Entero-MRI to Typify the Mesenteric and Bowel Wall Changes during Crohn's Disease: A Pilot Study. AB - Purpose: To evaluate and compare the mesenteric and bowel wall changes during Crohn's disease (CD) on ultrasonography (US) Strain Elastography (SE) and Enterography Magnetic Resonance Imaging (E-MRI). Methods: From July 2014 to September 2016, 35 patients with ileocolonoscopy diagnosis of CD were prospectively examined with E-MRI and in the same time with US and SE. Results: A total of 41 affected bowel segments and 35 unaffected bowel segments in 35 patients were evaluated. US-SE color-scale coding showed a blue color pattern in the fibrotic mesentery and bowel wall in 15 patients and a green color pattern in the edematous ones in 20 patients. The signal of the bowel wall and mesenteric fat was iso/hypointense on T2-weighted sequence in the fibrotic pattern (23/35 and 12/35 patients) and hyperintense in the edematous pattern (12/35 and 23/35 patients). Mean ADC values were, respectively, 2,58 +/- 0,33 * 10-3 for the fibrotic mesentery and 2,14 +/- 0,28 * 10-3 for edematous one. There was a statistical correlation between US-SE color-scale and T2 signal intensity and between the US-SE color-scale and ADC maps. Conclusions: US-SE, ADC, and signal intensity on T2-weighted sequences on MR prove to be useful tools for the evaluation of CD pattern. PMID- 29214168 TI - How Well Can Modern Nonhabitual Barefoot Youth Adapt to Barefoot and Minimalist Barefoot Technology Shoe Walking, in regard to Gait Symmetry. AB - We aim to test how well modern nonhabitual barefoot people can adapt to barefoot and Minimalist Bare Foot Technology (MBFT) shoes, in regard to gait symmetry. 28 healthy university students (22 females/6 males) were recruited to walk on a 10 meter walkway randomly on barefoot, in MBFT shoes, and in neutral running shoes at their comfortable walking speed. Kinetic and kinematic data were collected using an 8-camera motion capture system. Data of joint angles, joint forces, and joint moments were extracted to compute a consecutive symmetry index. Compared to walking in neutral running shoes, walking barefoot led to worse symmetry of the following: ankle joint force in sagittal plane, knee joint moment in transverse plane, and ankle joint moment in frontal plane, while improving the symmetry of joint angle in sagittal plane at ankle joints and global (hip-knee-ankle) level. Walking in MBFT shoes had intermediate gait symmetry performance as compared to walking barefoot/walking in neutral running shoes. We conclude that modern nonhabitual barefoot adults will lose some gait symmetry in joint force/moment if they switch to barefoot walking without fitting in; MBFT shoe might be an ideal compromise for healthy youth as regards gait symmetry in walking. PMID- 29214166 TI - miRNAs: Important Targets for Oral Cancer Pain Research. AB - Pain is a symptom shared by an incredible number of diseases. It is also one of the primary conditions that prompt individuals to seek medical treatment. Head and neck squamous cell carcinoma (HNSCC) corresponds to a heterogeneous disease that may arise from many distinct structures of a large, highly complex, and intricate region. HNSCC affects a great number of patients worldwide and is directly associated with chronic pain, which is especially prominent during the advanced stages of oral squamous cell carcinoma (OSCC), an anatomical and clinical subtype that corresponds to the great majority oral cancers. Although the cellular and molecular bases of oral cancer pain have not been fully established yet, the results of recent studies suggest that different epigenetic mechanisms may contribute to this process. For instance, there is strong scientific evidence that microRNAs (miRNAs), small RNA molecules that do not encode proteins, might act by regulating the mechanisms underlying cancer-related pain. Among the miRNAs that could possibly interfere in pain-signaling pathways, miR-125b, miR-181, and miR-339 emerge as some of the most promising candidates. In fact, such molecules apparently contribute to inflammatory pain. Moreover, these molecules possibly influence the activity of endogenous pain control systems (e.g., opioidergic and serotonergic systems), which could ultimately result in peripheral and central sensitization, central nervous system (CNS) phenomena innately associated with chronic pain. This review paper focuses on the current scientific knowledge regarding the involvement of miRNAs in cancer pain, with special attention dedicated to OSCC-related pain. PMID- 29214169 TI - Reversal of Proximal Renal Tubular Dysfunction after Nucleotide Analogue Withdrawal in Chronic Hepatitis B. AB - Aims: Proximal renal tubular dysfunction (PRTD) is an infrequent complication after nucleotide analogue therapy. We evaluated the outcomes of PRTD and nephrotoxicity after nucleotide analogue withdrawal in chronic hepatitis B (CHB). Methods: A longitudinal follow-up study was performed in patients with PRTD after nucleotide analogue discontinuation. Serum and urine were collected at baseline and every 3 months for one year. The fractional excretion of phosphate (PO4), uric acid (UA), and potassium and tubular maximal reabsorption rate of PO4 to glomerular filtration rate (TmPO4/GFR) were calculated. Renal losses were defined based on the criteria of substance losses. Subclinical PRTD and overt PRTD were diagnosed when 2 and >=3 criteria were identified. Results: Eight subclinical and eight overt PRTD patients were enrolled. After nucleotide analogue withdrawal, there were overall improvements in GFR, serum PO4, and UA. Renal loss of PO4, UA, protein, and beta2-microglobulin reduced over time. At one year, complete reversal of PRTD was seen in 13 patients (81.2%). Improvements in PRTD were seen in all but one patient. Conclusion: One year after nucleotide analogue withdrawal, PRTD was resolved in most patients. Changes in TmPO4/GFR, urinary protein, and beta2-microglobulin indicate that urinary biomarkers may represent an early sign of PRTD recovery. PMID- 29214170 TI - NLRP1 Overexpression Is Correlated with the Tumorigenesis and Proliferation of Human Breast Tumor. AB - Recent studies suggest that nucleotide-binding domain leucine-rich repeat protein 1 (NLRP1) is a pivotal factor in the inflammatory process. However, the role of NLRP1 in breast cancer pathogenesis remains unclear. The aim of this study was to examine the expression and function of NLRP1 in breast cancer. We found that NLRP1 was widely expressed in 83% (60/72) of primary breast cancer tissue. NLRP1 expression level was higher in primary breast cancer tissue than in adjacent noncancerous tissue (p < 0.001) and NLRP1 expression was associated with lymph node metastasis (p = 0.003), TNM stage (p = 0.003), and Ki-67 levels (p < 0.001). Overexpression of NLRP1 in the breast cancer cell line MCF-7 promotes proliferation, migration, invasion, and tumorigenicity in nude mice. Restoration of NLRP1 expression resulted in the EMT occurrence that downregulation of epithelial marker E-cadherin and upregulation mesenchymal marker vimentin, C-myc, MMP-9, and snail. In summary, NLRP1 promotes cell line MCF-7 the proliferation, migration, and invasion through inducing EMT. PMID- 29214171 TI - Evaluating Swine Injection Technologies as a Workplace Musculoskeletal Injury Intervention: A Study Protocol. AB - Intensification of modern swine production has led to many new technologies, including needleless injectors. Although needleless injectors may increase productivity (by reducing injection time) and reduce needlestick injuries, the effect on risk for musculoskeletal disorders is not clear. This project will compare conventional needles with needleless injectors in terms of cost, productivity, injury rates, biomechanical exposures, and worker preference. Muscle activity (EMG) and hand/wrist posture will be measured on swine workers performing injection tasks with both injection methods. Video recordings during the exposure assessments will compare the duration and productivity for each injection method using time-and-motion methods. Injury claim data from up to 60 pig barns will be analyzed for needlestick and musculoskeletal injuries before/after needleless injector adoption. Workers and managers will be asked about what they like and dislike about each method and what helps and hinders successful implementation. The information above will be input into a cost benefit model to determine the incremental effects of needleless injectors in terms of occupational health, worker preference, and the financial "bottom line" of the farm. Findings will be relevant to the swine industry and are intended to be transferable to other new technologies in animal production. PMID- 29214173 TI - Fabrication and In Vitro Study of Tissue-Engineered Cartilage Scaffold Derived from Wharton's Jelly Extracellular Matrix. AB - The scaffold is a key element in cartilage tissue engineering. The components of Wharton's jelly are similar to those of articular cartilage and it also contains some chondrogenic growth factors, such as insulin-like growth factor I and transforming growth factor-beta. We fabricated a tissue-engineered cartilage scaffold derived from Wharton's jelly extracellular matrix (WJECM) and compared it with a scaffold derived from articular cartilage ECM (ACECM) using freeze drying. The results demonstrated that both WJECM and ACECM scaffolds possessed favorable pore sizes and porosities; moreover, they showed good water uptake ratios and compressive moduli. Histological staining confirmed that the WJECM and ACECM scaffolds contained similar ECM. Moreover, both scaffolds showed good cellular adherence, bioactivity, and biocompatibility. MTT and DNA content assessments confirmed that the ACECM scaffold tended to be more beneficial for improving cell proliferation than the WJECM scaffold. However, RT-qPCR results demonstrated that the WJECM scaffold was more favorable to enhance cellular chondrogenesis than the ACECM scaffold, showing more collagen II and aggrecan mRNA expression. These results were confirmed indirectly by glycosaminoglycan and collagen content assessments and partially confirmed by histology and immunofluorescent staining. In conclusion, these results suggest that a WJECM scaffold may be favorable for future cartilage tissue engineering. PMID- 29214174 TI - Feasibility of Round Window Stimulation by a Novel Electromagnetic Microactuator. AB - Introduction: Most implantable hearing aids currently available were developed to compensate the sensorineural hearing loss by driving middle ear structures (e.g., the ossicles). These devices are successfully used in round window (RW) stimulation clinically, although this was initially not the intended use. Here, a novel microactuator, specifically designed for RW stimulation, was tested in human temporal bones to determine actuator performance and applicability. Methods: Stapes footplate response to RW stimulation was determined experimentally in human temporal bones and the obtained sound pressure output level was estimated. Results: The actuator had a flat displacement response between 0.125 and 4 kHz, a resonance between 4 and 7 kHz, and a roll-off above. At increasing contact force, the stapes footplate displacement decreased by 5-10 dB re MUm for forces >= 2 mN. The equivalent sound pressure level between 0.125 and 4 kHz amounted to 87-97 eq dB SPL and increased to 117 eq dB SPL for frequencies of 4-7 kHz. The total harmonic distortion (THD) of the actuator ranged within 15-40% for static forces of 5 mN. Conclusion: The feasibility of an electromagnetic actuator that may be placed into the RW niche was demonstrated but requires further optimization in terms of THD and static force sensitivity. PMID- 29214172 TI - Migraine and Complex Regional Pain Syndrome: A Case-Referent Clinical Study. AB - We studied clinical phenotype differences between migraineurs with CRPS (Mig + CRPS) and those without (Mig - CRPS). Mig + CRPS cases and Mig - CRPS referents aged >=18 years were enrolled. Diagnosis was made in accordance with International Classification of Headache Disorders-3 beta (ICHD-3 beta) for migraine and Budapest Criteria for CRPS. Migraines both with and without aura were included. A total of 70 Mig + CRPS cases (13% males, mean age 48 years) and 80 Mig - CRPS referents (17% males, mean age 51 years) were included. 33% of Mig + CRPS and 38% of Mig - CRPS exhibited episodic migraine (EM) while 66% of Mig + CRPS and 62% of Mig - CRPS had chronic migraine (CM) (OR = 0.98, CI 0.36, 2.67). Median duration of CRPS was 3 years among EM + CRPS and 6 years among CM + CRPS cohort (p < 0.02). Mig + CRPS (57%) carried higher psychological and medical comorbidities compared to Mig - CRPS (6%) (OR 16.7, CI 10.2, 23.6). Higher migraine frequency was associated with longer CRPS duration. Migraineurs who developed CRPS had higher prevalence of psychological and medical disorders. Alleviating migraineurs' psychological and medical comorbidities may help lower CRPS occurrence. PMID- 29214175 TI - What Healthcare Workers Should Know about Environmental Bacterial Contamination in the Intensive Care Unit. AB - Intensive care unit- (ICU-) acquired infections are a major health problem worldwide. Inanimate surfaces and equipment contamination may play a role in cross-transmission of pathogens and subsequent patient colonization or infection. Bacteria contaminate inanimate surfaces and equipment of the patient zone and healthcare area, generating a reservoir of potential pathogens, including multidrug resistant species. Traditional terminal cleaning methods have limitations. Indeed patients who receive a bed from prior patient carrying bacteria are exposed to an increased risk (odds ratio 2.13, 95% confidence intervals 1.62-2.81) of being colonized and potentially infected by the same bacterial species of the previous patient. Biofilm formation, even on dry surfaces, may play a role in reducing the efficacy of terminal cleaning procedures since it enables bacteria to survive in the environment for a long period and provides increased resistance to commonly used disinfectants. No-touch methods (e.g., UV-light, hydrogen peroxide vapour) are under investigation and further studies with patient-centred outcomes are needed, before considering them the standard of terminal cleaning in ICUs. Healthcare workers should be aware of the role of environmental contamination in the ICU and consider it in the broader perspective of infection control measures and stewardship initiatives. PMID- 29214176 TI - Human Gut Microbiota Associated with Obesity in Chinese Children and Adolescents. AB - Objective: To investigate the gut microbiota differences of obese children compared with the control healthy cohort to result in further understanding of the mechanism of obesity development. Methods: We evaluated the 16S rRNA gene, the enterotypes, and quantity of the gut microbiota among obese children and the control cohort and learned the differences of the gut microbiota during the process of weight reduction in obese children. Results: In the present study, we learned that the gut microbiota composition was significantly different between obese children and the healthy cohort. Next we found that functional changes, including the phosphotransferase system, ATP-binding cassette transporters, flagellar assembly, and bacterial chemotaxis were overrepresented, while glycan biosynthesis and metabolism were underrepresented in case samples. Moreover, we learned that the amount of Bifidobacterium and Lactobacillus increased among the obese children during the process of weight reduction. Conclusion: Our results might enrich the research between gut microbiota and obesity and further provide a clinical basis for therapy for obesity. We recommend that Bifidobacterium and Lactobacillus might be used as indicators of healthy conditions among obese children, as well as a kind of prebiotic and probiotic supplement in the diet to be an auxiliary treatment for obesity. PMID- 29214177 TI - Linked Registries: Connecting Rare Diseases Patient Registries through a Semantic Web Layer. AB - Patient registries are an essential tool to increase current knowledge regarding rare diseases. Understanding these data is a vital step to improve patient treatments and to create the most adequate tools for personalized medicine. However, the growing number of disease-specific patient registries brings also new technical challenges. Usually, these systems are developed as closed data silos, with independent formats and models, lacking comprehensive mechanisms to enable data sharing. To tackle these challenges, we developed a Semantic Web based solution that allows connecting distributed and heterogeneous registries, enabling the federation of knowledge between multiple independent environments. This semantic layer creates a holistic view over a set of anonymised registries, supporting semantic data representation, integrated access, and querying. The implemented system gave us the opportunity to answer challenging questions across disperse rare disease patient registries. The interconnection between those registries using Semantic Web technologies benefits our final solution in a way that we can query single or multiple instances according to our needs. The outcome is a unique semantic layer, connecting miscellaneous registries and delivering a lightweight holistic perspective over the wealth of knowledge stemming from linked rare disease patient registries. PMID- 29214178 TI - Serum miRNAs miR-23a, 206, and 499 as Potential Biomarkers for Skeletal Muscle Atrophy. AB - Muscle biopsy has long been expected to be replaced by noninvasive biomarkers with diagnostic value and prognostic applications for muscle atrophy. Growing evidence suggests that circulating microRNAs (miRNAs) could act as biomarkers for numerous pathophysiological statuses. In the present study, our results showed that the serum levels of six muscle-specific miRNAs (miR-1/23a/133/206/208b/499) were all elevated in unloading induced mice. The medium levels of these six muscle-specific miRNAs were all elevated in starvation induced atrophic C2C12 myotubes. Moreover, the serum levels of miR-23a/206/499 were induced in participants after 45 days of head-down bed rest (HDBR). The levels of miR 23a/206/499 were positively correlated with the ratio of soleus volume loss in HDBR participants, indicating that they might represent the process of muscle loss. In conclusion, our results demonstrated that circulating miRNAs could serve as useful biochemical and molecular indicators for muscle atrophy diagnosis and disease progression. PMID- 29214179 TI - The Roles of Thrombospondins in Hemorrhagic Stroke. AB - Hemorrhagic stroke is a devastating cerebrovascular disease with significant morbidity and mortality worldwide. Thrombospondins (TSPs), as matricellular proteins, belong to the TSP family which is comprised of five members. All TSPs modulate a variety of cellular functions by binding to various receptors. Recently, TSPs gained attention in the area of hemorrhagic stroke, especially TSP 1. TSP-1 participates in angiogenesis, the inflammatory response, apoptosis, and fibrosis after hemorrhagic stroke through binding to various molecules including but not limited to CD36, CD47, and TGF-beta. In this review, we will discuss the roles of TSPs in hemorrhagic stroke and focus primarily on TSP-1. PMID- 29214180 TI - Circulating MicroRNA Profiles Differ between Hyperglycemia and Euglycemia in Coronary Heart Disease Patients. AB - Coronary heart disease (CHD) has become one of the leading causes of death and functional impairment in the world. Hyperglycemia is associated with an increased risk of cardiovascular disease. It was speculated that miRNAs in peripheral blood were a primary parameter in discriminating CHD. The biological characteristics of coronary heart disease with hyperglycemia (HCHD) and coronary heart disease with euglycemia (ECHD) were investigated in the study. Circulating miRNAs from 26 HCHD patients and 42 ECHD patients were identified by microarrays. Compared with the healthy patients, 15 and 20 differentially expressed miRNAs were identified in HCHD and ECHD groups, respectively. Gene ontology analysis was carried out by DAVID and functional annotations of the miRNA targets related to ATP binding, cellular components, protein binding, RNA binding, DNA binding, and so on. KEGG database was used for pathway analysis. Eleven pathways were identified in both HCHD and ECHD groups. Furthermore, 13 and 3 pathways were only identified in HCHD or ECHD group, respectively. And then, miRNA-gene regulatory networks were constructed to study the relationship between differentially expressed miRNAs and genes. This suggested that hsa-let-7c-5p and hsa-miR-24-3p might have the most important function for hyperglycemia in coronary heart disease patients. PMID- 29214181 TI - Cardiac Autonomic Neuropathy: Why Should Cardiologists Care about That? AB - Background: Cardiac autonomic neuropathy (CAN) is a frequent but underdiagnosed complication of diabetes mellitus. It has a strong influence on various cardiac disorders including myocardial ischemia and infarction, hypertension, orthostatic hypotonia, heart failure, and arrhythmias. CAN can lead to severe morbidity and mortality and increase the risk of sudden cardiac death. Methods: This review article summarizes the latest evidence regarding the epidemiology, pathogenesis, influence on the cardiovascular system, and diagnostic methods for CAN. The methodology of this review involved analyzing available data from recent papers relevant to the topic of diabetic autonomic neuropathy and cardiac disorders. Conclusions: The early diagnosis of CAN can improve the prognosis and reduce adverse cardiac events. Methods based on heart rate variability enable the diagnosis of CAN even at a preclinical stage. These methods are simple and widely available for use in everyday clinical practice. According to the recently published Toronto Consensus Panel on Diabetic Neuropathy, all diabetic patients should be screened for CAN. Because diabetes mellitus often coexists with heart diseases and the most common methods used for diagnosis of CAN are based on ECG, not only diabetologists but also cardiologists should be responsible for diagnosis of CAN. PMID- 29214182 TI - Thyroid Dysfunction among Greek Patients with Type 1 and Type 2 Diabetes Mellitus as a Disregarded Comorbidity. AB - Introduction: The aim of this study was to determine the prevalence of thyroid dysfunction in Greek patients with type 1 (T1DM) and type 2 (T2DM) diabetes mellitus as well as its possible relations to glycaemic control and to diabetic complications. Methods: A total of 1015 patients, consecutively followed in the Outpatient Diabetes Center, were studied. Anthropometric and biochemical measurements, occurrence of diabetes complications, and classical comorbidities were assessed. Average HbA1c of the previous year was calculated. Wellbeing was determined, using a 10-point optimal scale. All the above parameters were compared between subjects with or without thyroid disease. Results: All patients were euthyroid at the time of the study, either on thyroid medications or not. Hypothyroidism occurrence did not differ between T2DM and T1DM patients (37.1% versus 43.5%, p > 0.05). Nodular goiter was observed more frequently in T2DM patients (34.1% versus 18.8%, p < 0.05). T2DM patients with hypothyroidism compared to those without hypothyroidism had higher HbA1c (7.27% versus 6.98%, p < 0.01), TChol (184.97 mg/dl versus 168.17 mg/dl, p < 0.001), and higher HDL-Chol (51.28 mg/dl versus 46.77 mg/dl, p < 0.01). T2DM patients without hypothyroidism had a better wellness feeling (7.5 versus 5.3 points, p < 0.01). Conclusions: Screening for thyroid disease among T2DM patients should be routinely considered, as it is found to be an additional commorbidity. If it remains undiagnosed, it could aggravate the clinical course of the disease. PMID- 29214183 TI - Direct and Indirect Effects of Serum Uric Acid on Blood Sugar Levels in Patients with Prediabetes: A Mediation Analysis. AB - Purpose: To estimate both direct and indirect effects (through obesity) of serum uric acid (SUA) on blood sugar in prediabetes patients. Methods: Prediabetes patients who came to the outpatient clinic of the Department of Family Medicine, Ramathibodi Hospital, were included in this cross-sectional study. Mediation analysis was applied to determine direct and indirect effects of SUA on glycemic parameters (fasting plasma glucose (FPG) and HbA1c) through waist circumference (WC). A mediation effect was estimated using the product-of-coefficient method with a bootstrap analysis of 1000 replications. Results: 1043 patients were eligible for this study. Every 1 mg/dl increase in SUA was associated with an increase in WC and then was significantly associated with an increase in FPG by 0.082 mg/dl (95% CI: 0.010, 0.154). SUA was directly associated with FPG with a coefficient of 0.413 (95% CI: 0.049, 0.776). For HbA1c, every one mg/dl increase in SUA was associated with an increase in HbA1c level through WC by 0.006 (95% CI: 0.003, 0.010). However, SUA was not directly associated with HbA1c. Conclusions: We found that an increase in SUA was directly and indirectly associated with increased FPG but the effect of SUA on HbA1c was shown when it was mediated through WC. PMID- 29214184 TI - Protective Effects of Moringa oleifera on HBV Genotypes C and H Transiently Transfected Huh7 Cells. AB - Chronic hepatitis B infection treatment implicates a long-lasting treatment. M. oleifera extracts contain compounds with antiviral, antioxidant, and antifibrotic properties. In this study, the effect of M. oleifera was evaluated in Huh7 cells expressing either HBV genotypes C or H for the antiviral, antifibrotic, anti inflammatory, and antioxidative responses. Huh7 cells were treated with an aqueous extract of M. oleifera (leaves) at doses of 0, 30, 45, or 60 MUg/mL. The replicative virus and TGF-beta1, CTGF, CAT, IFN-beta1, and pgRNA expressions were measured by real time. HBsAg and IL-6 titers were determined by ELISA. CTGF, TGF beta1, IFN-beta1, and pgRNA expressions decreased with M. oleifera treatment irrespective of the HBV genotype. HBsAg secretion in the supernatant of transfected Huh7 cells with both HBV genotypes was decreased regardless of the dose of M. oleifera. Similar effect was observed in proinflammatory cytokine IL 6, which had a tendency to decrease at 24 hours of treatment. Transfection with both HBV genotypes strongly decreased CAT expression, which is retrieved with M. oleifera treatment. M. oleifera treatment reduced fibrosis markers, IL-6, and HBsAg secretion in HBV genotypes C and H. However, at the level of replication, only HBV-DNA genotype C was slightly reduced with this treatment. PMID- 29214186 TI - A rare case of failed healing in previously burned skin after a secondary burns. AB - Background: Patients presenting with large surface area burns are common in our practice; however, patients with a secondary large burn on pre-existing burn scars and grafts are rare and not reported. Case presentation: We report on an unusual case of a patient sustaining a secondary large burn to areas previously injured by a burn from a different mechanism. We discuss the potential implications when managing a case like this and suggest potential biological reasons why the skin may behave differently. Our patient was a 33-year-old man who presented with a 5% TBSA burn on skin scarred by a previous 40% total body surface area (TBSA) burn and skin grafts. Initially assessed as superficial partial thickness in depth, the wounds were treated conservatively with dressings; however, they failed to heal and became infected requiring surgical management. Conclusions: Burns sustained in areas of previous burn scars and grafts may behave differently to normal patterns of healing, requiring more aggressive management and surgical intervention at an early stage. PMID- 29214185 TI - Administration of Rhodiola kirilowii Extracts during Mouse Pregnancy and Lactation Stimulates Innate but Not Adaptive Immunity of the Offspring. AB - The use of antibiotics during pregnancy and lactation is associated with an increased risk of developmental disorders. One of the natural medicinal plants Rhodiola kirilowii, widely used as an immunostimulant in adults-might be a good alternative to antibiotic treatment. The aim of present study was to assess whether daily oral administration of 20 mg/kg of Rhodiola kirilowii aqueous (RKW) or 50% hydroalcoholic (RKW-A) extracts affected hematological and immunological parameters of 6-week-old mouse progeny. There was no significant change in hematological parameters of blood with the exception of hemoglobin, which was significantly higher (about 4%) in RKW group. Offspring of mothers fed Rhodiola kirilowii extracts had increased percentage of granulocytes and decreased percentage of lymphocytes. These changes correlated with decreased percentage of CD3+/CD4+ T-cells (RKW and RKW-A), decrease of CD8+ cells, and increase percentage of NK cells in RKW group. In addition, both types of Rhodiola kirilowii extracts stimulated granulocyte phagocytosis and increased level of respiratory burst. In conclusion, the long-term supplementation of mouse mothers during pregnancy and lactation with RKW or RKW-A extracts affects the immune system of their progeny. These results should be taken into consideration before administration of Rhodiola kirilowii to pregnant and lactating women. PMID- 29214187 TI - High-power femtosecond pulses without a modelocked laser. AB - We demonstrate a fiber system which amplifies and compresses pulses from a gain switched diode. A Mamyshev regenerator shortens the pulses and improves their coherence, enabling subsequent amplification by parabolic pre-shaping. As a result, we are able to control nonlinear effects and generate nearly transform limited, 140-fs pulses with 13-MW peak power-an order-of-magnitude improvement over previous gain-switched diode sources. Seeding with a gain-switched diode results in random fluctuations of 2% in the pulse energy, which future work using known techniques may ameliorate. Further development may allow such systems to compete directly with sources based on modelocked oscillators in some applications while enjoying unparalleled robustness and repetition rate control. PMID- 29214189 TI - Data on flow cell optimization for membrane-based electrokinetic energy conversion. AB - This article elaborates on the design and optimization of a specialized flow cell for the measurement of direct conversion of pressure into electrical energy (Electrokinetic Energy Conversion, EKEC) which has been presented in Ostedgaard Munck et al. (2017) [1]. Two main flow cell parameters have been monitored and optimized: A) the hydraulic pressure profile on each side of the membrane introduced by pumps recirculating the electrolyte solution through the flow fields and B) the electrical resistance between the current collectors across the combined flow cell. The latter parameter has been measured using four-point Electrochemical Impedance spectroscopy (EIS) for different flow rates and concentrations. The total cell resistance consists of contributions from different components: the membrane [Formula: see text], anode charge transfer [Formula: see text], cathode charge transfer [Formula: see text], and ion diffusion in the porous electrodes [Formula: see text]. The intrinsic membrane properties of Nafion 117 has been investigated experimentally in LiI/I2 solutions with concentrations ranging between 0.06 and 0.96 M and used to identify the preferred LiI/I2 solution concentration. This was achieved by measuring the solution uptake, internal solution concentration and ion exchange capacity. The membrane properties were further used to calculate the transport coefficients and electrokinetic Figure of merit in terms of the Uniform potential and Space charge models. Special attention has been put on the streaming potential coefficient which is an intrinsic property. PMID- 29214190 TI - Dataset on the regulation of banana weevil abundance and corm damage associated with plant richness and the ground-dwelling arthropods' food web. AB - The data presented in this article are related to the research article entitled "Plant richness enhances banana weevil regulation in a tropical agroecosystem by affecting a multitrophic food web " [1]. It provides information about plant species richness, weevil corm damage and the abundance of different arthropod groups, including the banana weevil and its potential natural enemies and alternative preys. PMID- 29214188 TI - The effects of acute stress on the calibration of persistence. AB - People frequently fail to wait for delayed rewards after choosing them. These preference reversals are sometimes thought to reflect self-control failure. Other times, however, continuing to wait for a delayed reward may be counterproductive (e.g., when reward timing uncertainty is high). Research has demonstrated that people can calibrate how long to wait for rewards in a given environment. Thus, the role of self-control might be to integrate information about the environment to flexibly adapt behavior, not merely to promote waiting. Here we tested effects of acute stress, which has been shown to tax control processes, on persistence, and the calibration of persistence, in young adult human participants. Half the participants (n = 60) performed a task in which persistence was optimal, and the other half (n = 60) performed a task in which it was optimal to quit waiting for reward soon after each trial began. Each participant completed the task either after cold pressor stress or no stress. Stress did not influence persistence or optimal calibration of persistence. Nevertheless, an exploratory analysis revealed an "inverted-U" relationship between cortisol increase and performance in the stress groups, suggesting that choosing the adaptive waiting policy may be facilitated with some stress and impaired with severe stress. PMID- 29214191 TI - Vascular mechanotransduction data in a rodent model of diabetes: Pressure-induced regulation of SHP2 and associated signaling in the rat inferior vena cava. AB - The effect of diabetes on vascular mechano-transductive response is of great concern. Given the higher rate of vein graft failures associated with diabetes, understanding the multiple cellular and molecular events associated with vascular remodeling is of vital importance. This article represents data related to a study published in Cardiovascular Diabetology [1] (Rice et al., 2006) and Open Journal of Endocrine and Metabolic Diseases [2] (Rice et al., 2015) evaluating the effect of pressurization on rat inferior venae cavae (IVC). Provided within this articles is information related to the method and processing of raw data related to our prior publish work and Data in Brief articles [3], [4] (Rice et al., 2017), as well as the evaluation of alternation in SHP-2 signaling and associated proteins in response to mechanical force. IVC from lean and obese animals were exposed to a 30 min perfusion of 120 mm Hg pressure and evaluated for changes in expression of SHP2, BCL-3, BCL-XL, HSP 27, HSP 70, and PI3K p85, along with the phosphorylation of SHP-2 (Tyr 542). PMID- 29214192 TI - EEG/EOG/EMG data from a cross sectional study on psychophysiological insomnia and normal sleep subjects. AB - The data presented here had been originally collected for a research project entitled 'Sleep EEG spectral analysis in psychophysiological insomnia and normal sleep subjects'. This article describes the data of 11 subjects, referred to Sleep Disorders Research Center (SDRC) in Kermanshah, Iran. The data includes 14 EEG, 6 EOG, and 3 EMG channels, with a sampling ratio of 256 Hz. It includes power spectral features in segments of 30 s for each channel, and nonlinear analysis parameter. Also, the complete demographic and polysomnography specifications are attached. PMID- 29214193 TI - Transcriptomic data of Arabidopsis hypocotyl overexpressing a heterologous CsEXPA1 gene. AB - Expansin increases cell wall extensibility to allow cell wall loosening and cell expansion even in the absence of hydrolytic activity. Previous studies showed that excessive overexpression of expansin gene resulted in defective growth (Goh et al., 2014; Rochange et al., 2001) [1,2] and altered cell wall chemical composition (Zenoni et al., 2011) [3]. However, the molecular mechanism on how the overexpression of non-enzymatic cell wall protein expansin can result in widespread effects on plant cell wall and organ growth remains unclear. We acquired transcriptomic data on previously reported transgenic Arabidopsis line (Goh et al., 2014) [1] to investigate the effects of overexpressing a heterologus cucumber expansin gene (CsEXPA1) on the global gene expression pattern during early and late phases of etiolated hypocotyl growth. PMID- 29214194 TI - Data concerning the effect of plyometric training on jump performance in soccer players: A meta-analysis. AB - Plyometric training (PT) enhances soccer performance, particularly vertical jump. However, the effectiveness of PT depends on various factors. A systematic search of the research literature was conducted for randomized controlled trials (RCTs) studying the effects of PT on countermovement jump (CMJ) height in soccer players. Ten studies were obtained through manual and electronic journal searches (up to April 2017). Significant differences were observed when compared: (1) PT group vs. control group (ES=0.85; 95% CI 0.47-1.23; I2=68.71%; p<0.001), (2) male vs. female soccer players (Q=4.52; p=0.033), (3) amateur vs. high-level players (Q=6.56; p=0.010), (4) single session volume (<120 jumps vs. >=120 jumps; Q=6.12, p=0.013), (5) rest between repetitions (5 s vs. 10 s vs. 15 s vs. 30 s; Q=19.10, p<0.001), (6) rest between sets (30 s vs. 60 s vs. 90 s vs. 120 s vs. 240 s; Q=19.83, p=0.001) and (7) and overall training volume (low: <1600 jumps vs. high: >=1600 jumps; Q=5.08, p=0.024). PT is an effective form of training to improve vertical jump performance (i.e., CMJ) in soccer players. The benefits of PT on CMJ performance are greater for interventions of longer rest interval between repetitions (30 s) and sets (240 s) with higher volume of more than 120 jumps per session and 1600 jumps in total. Gender and competitive level differences should be considered when planning PT programs in soccer players. PMID- 29214195 TI - Work stress, fatigue and risk behaviors at the wheel: Data to assess the association between psychosocial work factors and risky driving on Bus Rapid Transit drivers. AB - This Data in Brief (DiB) article presents a hierarchical multiple linear regression model that examine the associations between psychosocial work factors and risk behaviors at the wheel in Bus Rapid Transit (BRT) drivers (n=524). The data were collected using a structured self-administrable questionnaire made of measurements of wok stress (job strain and effort- reward imbalance), fatigue (need for recovery and chronic fatigue), psychological distress and demographics (professional driving experience, hours driven per day and days working per week). The data contains 4 parts: descriptive statistics, bivariate correlations between the study variables and a regression model predicting risk behaviors at the wheel and the entire study dataset. For further information, it is convenient to read the full article entitled "Stress-related Psychosocial Factors at Work, Fatigue, and Risky Driving Behavior in Bus Rapid Transport (BRT) Drivers", published in Accident Analysis & Prevention. PMID- 29214196 TI - Structural and biochemical data of Trichoderma harzianum GH1 beta-glucosidases. AB - Here the statistics concerning X-ray data processing and structure refinement are given, together with the substrate preference analysis for ThBgl1 and ThBgl2. Finally, the analysis of the influence of temperature and pH on the activities of both enzymes are shown. PMID- 29214197 TI - Genotoxicity assessment data for exfoliated buccal cells exposed to mobile phone radiation. AB - Healthy mobile phone users aged 18-30 y.o. provided exfoliated buccal cells samples from the right and left inner cheeks. A total of 2000 cells per subject were screened for the presence of micronuclei as a sign of genotoxic damage, according to the mobile phone use profile of each user. PMID- 29214198 TI - Data on introduced plants in Zimbabwe: Floristic changes and patterns of collection based on historical herbarium records. AB - National herbaria with significant historical plant collections are critical to tracking floristic changes and patterns, which include the introduction and spread of non-native plant species. To explore the importance of herbarium specimen data in understanding floristic changes in Zimbabwe, the plant collections housed by the National Herbarium (SRGH) in Harare, Zimbabwe were utilized with historical specimens dating back to 1870. A list of naturalised plant taxa and collection data were compiled. A total of 2916 plant specimens were recorded, comprising of 401 taxa, 237 genera and 76 plant families. Twenty eight specimens (1.0%) were collected between 1870 and 1908, prior to the establishment of the National Herbarium in 1909 and 123 specimens (4.2%) were collected in the first 25 years of the establishment of the institute (1909 1934). Intensive collection of herbarium specimens of casual, naturalised and invasive alien plant species occurred between 1950 and 1970. This data demonstrates the utility of plant species data housed in the National Herbaria and how such data can be used to map floristic changes and patterns. PMID- 29214199 TI - Dataset of Near-infrared spectroscopy measurement for amylose determination using PLS algorithms. AB - In the dataset presented in this article, 168 rice samples comprising sixteen rice varieties (including Indica and Japonica sub species) from a Portuguese Rice Breeding Program obtained from three different sites along four seasons, and 11 standard rice varieties from International Rice Research Institute were characterised. The amylose concentration was evaluated based on iodine method, and the near infrared (NIR) spectra were determined. To assess the advantage of Near infrared spectroscopy, different rice varieties and specific algorithms based on Matlab software such as Standard Normal Variate (SNV), Multiple Scatter Calibration (MSC) and Savitzky-Golay filter were used for NIR spectra pre processing. PMID- 29214200 TI - Data on the sensory evaluation of potatoes (Solanum tuberosum) from different areas of Hokkaido, Japan, performed by untrained young adults. AB - This data article describes a sensory evaluation of potatoes used in food processing from the Tokachi, Kamikawa, and Abashiri geographic areas of Hokkaido, Japan, performed by untrained young adults. We gathered sensory data on potatoes from the four cultivars 'Toyoshiro,' 'Kitahime,' 'Snowden,' and 'Poroshiri.' The sensory evaluation was performed on steamed potatoes from each cultivar; these potatoes were harvested from each of the three geographic areas. Table 1 provides the data from the evaluation of the five basic tastes (sweet, salty, sour, bitter, and umami), as well as the evaluation of the egumi taste, which is a Japanese term indicating a taste that is acrid, astringent, and slightly bitter. PMID- 29214201 TI - Genotyping-by-sequencing data of 272 crested wheatgrass (Agropyron cristatum) genotypes. AB - Crested wheatgrass [Agropyron cristatum L. (Gaertn.)] is an important cool-season forage grass widely used for early spring grazing. However, the genomic resources for this non-model plant are still lacking. Our goal was to generate the first set of next generation sequencing data using the genotyping-by-sequencing technique. A total of 272 crested wheatgrass plants representing seven breeding lines, five cultivars and five geographically diverse accessions were sequenced with an Illumina MiSeq instrument. These sequence datasets were processed using different bioinformatics tools to generate contigs for diploid and tetraploid plants and SNPs for diploid plants. Together, these genomic resources form a fundamental basis for genomic studies of crested wheatgrass and other wheatgrass species. The raw reads were deposited into Sequence Read Archive (SRA) database under NCBI accession SRP115373 (https://www.ncbi.nlm.nih.gov/sra?term=SRP115373) and the supplementary datasets are accessible in Figshare (10.6084/m9.figshare.5345092). PMID- 29214202 TI - Dataset for Phase I randomized clinical trial for safety and tolerability of GET 73 in single and repeated ascending doses including preliminary pharmacokinetic parameters. AB - The data in this article outline the methods used for the administration of GET 73 in the first time-in-human manuscript entitled "Phase I randomized clinical trial for the safety, tolerability and preliminary pharmacokinetics of the mGluR5 negative allosteric modulator GET 73 following single and repeated doses in healthy male volunteers" (Haass-Koffler et al., 2017) [1]. Data sets are provided in two different manners. The first series of tables provided includes procedural information about the experiments conducted. The next series of tables provided includes Pharmacokinetic (PK) parameters for GET 73 and its main metabolite MET 2. This set of data is comprised by two experiments: Experiment 1 references a single ascending dose administration of GET 73 and Experiment 2 references a repeated ascending dose administration of GET 73. PMID- 29214203 TI - Supplementary data for the mechanism for cleavage of three typical glucosidic bonds induced by hydroxyl free radical. AB - The data presented in this article are related to the research article entitled "The mechanism for cleavage of three typical glucosidic bonds induced by hydroxyl free radical" (Dai et al., 2017) [1]. This article includes the structures of three kinds of disaccharides such as maltose, fructose and cellobiose, the diagrammatic sketch of the hydrogen abstraction reaction of the disaccharides by hydroxyl radical, the structure of the transition states for pyran ring opening of moiety A and cleavage of alpha(1->2) glycosidic bond starting from the hydrogen abstraction of C6-H in moiety A of sucrose, the transition state structure for cleavage of alpha(1->2) glycosidic bond starting from the hydrogen abstraction of C1'-H in moiety B of sucrose, the transition state structure, sketch for the reaction process and relative energy change of the reaction pathway for direct cleavage of alpha(1->4) glycosidic bond starting from hydrogen abstraction of C6'-H of moiety B of maltose. PMID- 29214204 TI - Revealing the Diversity of Introduced Coffea canephora Germplasm in Ecuador: Towards a National Strategy to Improve Robusta. AB - Genetic resources of Coffea canephora have been introduced in several tropical countries with potential for crop development. In Ecuador, the species has been cultivated since the mid-20th century. However, little is known about the diversity and genetic structure of introduced germplasm. This paper provides an overview of the genetic and phenotypic diversity of C. canephora in Ecuador and some proposals for implementing a breeding program. Twelve SSR markers were used to analyze 1491 plants of C. canephora grown in different living collections in Ecuador, compared to 29 genotypes representing the main genetic and geographic diversity groups identified within the species. Results indicated that most of the genotypes introduced are of Congolese origin, with accessions from both main subgroups, SG1 and SG2. Some genotypes were classed as hybrids between both subgroups. Substantial phenotypic diversity was also found, and correlations were observed with genetic diversity. Ecuadorian Robusta coffee displays wide genetic diversity and we propose some ways of improving Robusta in Ecuador. A breeding program could be based on three operations: the choice of elite clones, the introduction of new material from other countries (Ivory Coast, Uganda), and the creation of new hybrid material using genotypes from the different diversity groups. PMID- 29214205 TI - Simple eye-movement feedback during visual search is not helpful. AB - Searching for targets in the visual world, or visual search, is something we all do every day. We frequently make 'false-negative' errors, wherein we erroneously conclude a target was absent when one was, in fact, present. These sorts of errors can have tremendous costs, as when signs of cancers are missed in diagnostic radiology. Prior research has characterized the cause of many of these errors as being due to failure to completely search the area where targets may be present; indeed, roughly one-third of chest nodules missed in lung cancer screening are never fixated (Drew, Vo, Olwal, Jacobson, Seltzer and Wolfe, Journal of Vision 13:3, 2013). This suggests that observers do not have a good representation of what areas have and have not been searched prior to declaring an area target free. Therefore, in six experiments, we sought to examine the utility of reducing the uncertainty with respect to what areas had been examined via online eye-tracking feedback. We hypothesized that providing information about what areas had or had not been examined would lead to lower rates of false negatives or more efficient search, namely faster response times with no cost on target detection accuracy. Neither of these predictions held true. Over six experiments, online eye-tracking feedback did not yield any reliable performance benefits. PMID- 29214206 TI - The effect of testing can increase or decrease misinformation susceptibility depending on the retention interval. AB - Research has consistently demonstrated that testing prior to the presentation of misleading post-event information, within the context of a standard eyewitness misinformation paradigm, results in an increase in the misinformation effect. The present study investigated whether changes in misinformation susceptibility in the context of interim testing are affected by retention interval differences between misinformation presentation and final testing. Further, this study tested possible divergences in original and post-event learning between conditions where elaboration in processing of critical details was encouraged either indirectly, via interim testing, or directly, by visually emphasizing critical details. In two experiments, we compared three groups of participants. All participants were exposed to an event, presented with misleading post-event misinformation, and then given a final test on the original event. One group was given an interim test between the original event and the post-event synopsis. A second was presented with a post-event synopsis in which critical details were visually emphasized. A third group served as a baseline comparison group for which synopsis processing was not manipulated. All experimental phases occurred in a single session in Experiment 1. A 48-hour retention interval was inserted between the post-event synopsis and final test in Experiment 2. In Experiment 1, we found that interim testing and emphasizing critical details increased misinformation susceptibility as compared to that found in the standard misinformation group. In Experiment 2, misinformation susceptibility was reduced in the interim testing group. These results suggest that interim testing and emphasizing critical details influence the rate of original detail forgetting. At a longer retention interval, the benefits of testing in learning emerged. PMID- 29214208 TI - Eye movement feedback fails to improve visual search performance. AB - Many real-world searches (e.g., radiology and baggage screening) have rare targets. When targets are rare, observers perform rapid, incomplete searches, leading to higher miss rates. To improve search for rare (10% prevalence) targets, we provided eye movement feedback (EMF) to observers during their searches. Although the nature of the EMF varied across experiments, each method informed observers about the regions of the display that had not yet been inspected. We hypothesized that feedback would help guide attention to unsearched areas and increase the proportion of the display searched before making a target absent response, thereby increasing accuracy. An eye tracker was used to mark fixated areas by either removing a semiopaque gray overlay (Experiments 1 and 4) as portions of the display were fixated or by adding the overlay once the eye left a segment of the image (Experiments 2 and 4). Experiment 3 provided automated EMF, such that a new region was uncovered every 540 milliseconds. Across experiments, we varied whether people searched for "Waldo" in images from "Where's Waldo?" search books or searched for a T among offset Ls. We found weak evidence that EMF improves accuracy in Experiment 1. However, in the remaining experiments, EMF had no effect (Experiment 4), or even reduced accuracy (Experiments 2 and 3). We conclude that the one positive result we found is likely a Type I error and that the EMF method that we used is unlikely to improve visual search performance. PMID- 29214207 TI - What is the role of the film viewer? The effects of narrative comprehension and viewing task on gaze control in film. AB - Film is ubiquitous, but the processes that guide viewers' attention while viewing film narratives are poorly understood. In fact, many film theorists and practitioners disagree on whether the film stimulus (bottom-up) or the viewer (top-down) is more important in determining how we watch movies. Reading research has shown a strong connection between eye movements and comprehension, and scene perception studies have shown strong effects of viewing tasks on eye movements, but such idiosyncratic top-down control of gaze in film would be anathema to the universal control mainstream filmmakers typically aim for. Thus, in two experiments we tested whether the eye movements and comprehension relationship similarly held in a classic film example, the famous opening scene of Orson Welles' Touch of Evil (Welles & Zugsmith, Touch of Evil, 1958). Comprehension differences were compared with more volitionally controlled task-based effects on eye movements. To investigate the effects of comprehension on eye movements during film viewing, we manipulated viewers' comprehension by starting participants at different points in a film, and then tracked their eyes. Overall, the manipulation created large differences in comprehension, but only produced modest differences in eye movements. To amplify top-down effects on eye movements, a task manipulation was designed to prioritize peripheral scene features: a map task. This task manipulation created large differences in eye movements when compared to participants freely viewing the clip for comprehension. Thus, to allow for strong, volitional top-down control of eye movements in film, task manipulations need to make features that are important to narrative comprehension irrelevant to the viewing task. The evidence provided by this experimental case study suggests that filmmakers' belief in their ability to create systematic gaze behavior across viewers is confirmed, but that this does not indicate universally similar comprehension of the film narrative. PMID- 29214209 TI - The impact of fillers on lineup performance. AB - Filler siphoning theory posits that the presence of fillers (known innocents) in a lineup protects an innocent suspect from being chosen by siphoning choices away from that innocent suspect. This mechanism has been proposed as an explanation for why simultaneous lineups (viewing all lineup members at once) induces better performance than showups (one-person identification procedures). We implemented filler siphoning in a computational model (WITNESS, Clark, Applied Cognitive Psychology 17:629-654, 2003), and explored the impact of the number of fillers (lineup size) and filler quality on simultaneous and sequential lineups (viewing lineups members in sequence), and compared both to showups. In limited situations, we found that filler siphoning can produce a simultaneous lineup performance advantage, but one that is insufficient in magnitude to explain empirical data. However, the magnitude of the empirical simultaneous lineup advantage can be approximated once criterial variability is added to the model. But this modification works by negatively impacting showups rather than promoting more filler siphoning. In sequential lineups, fillers were found to harm performance. Filler siphoning fails to clarify the relationship between simultaneous lineups and sequential lineups or showups. By incorporating constructs like filler siphoning and criterial variability into a computational model, and trying to approximate empirical data, we can sort through explanations of eyewitness decision-making, a prerequisite for policy recommendations. PMID- 29214210 TI - Excitatory Synaptic Input to Hilar Mossy Cells under Basal and Hyperexcitable Conditions. AB - Hilar mossy cells (HMCs) in the hippocampus receive glutamatergic input from dentate granule cells (DGCs) via mossy fibers (MFs) and back-projections from CA3 pyramidal neuron collateral axons. Many fundamental features of these excitatory synapses have not been characterized in detail despite their potential relevance to hippocampal cognitive processing and epilepsy-induced adaptations in circuit excitability. In this study, we compared pre- and postsynaptic parameters between MF and CA3 inputs to HMCs in young and adult mice of either sex and determined the relative contributions of the respective excitatory inputs during in vitro and in vivo models of hippocampal hyperexcitability. The two types of excitatory synapses both exhibited a modest degree of short-term plasticity, with MF inputs to HMCs exhibiting lower paired-pulse (PP) and frequency facilitation than was described previously for MF-CA3 pyramidal cell synapses. MF-HMC synapses exhibited unitary excitatory synaptic currents (EPSCs) of larger amplitude, contained postsynaptic kainate receptors, and had a lower NMDA/AMPA receptor ratio compared to CA3-HMC synapses. Pharmacological induction of hippocampal hyperexcitability in vitro transformed the abundant but relatively weak CA3-HMC connections to very large amplitude spontaneous bursts of compound EPSCs (cEPSCs) in young mice (~P20) and, to a lesser degree, in adult mice (~P70). CA3-HMC cEPSCs were also observed in slices prepared from mice with spontaneous seizures several weeks after intrahippocampal kainate injection. Strong excitation of HMCs during synchronous CA3 activity represents an avenue of significant excitatory network generation back to DGCs and might be important in generating epileptic networks. PMID- 29214211 TI - Targeted kinase inhibition relieves slowness and tremor in a Drosophila model of LRRK2 Parkinson's disease. AB - In a number of Drosophila models of genetic Parkinson's disease (PD) flies climb more slowly than wild-type controls. However, this assay does not distinguish effects of PD-related genes on gravity sensation, "arousal", central pattern generation of leg movements, or muscle. To address this problem, we have developed an assay for the fly proboscis extension response (PER). This is attractive because the PER has a simple, well-identified reflex neural circuit, in which sucrose sensing neurons activate a pair of "command interneurons", and thence motoneurons whose activity contracts the proboscis muscle. This circuit is modulated by a single dopaminergic neuron (TH-VUM). We find that expressing either the G2019S or I2020T (but not R1441C, or kinase dead) forms of human LRRK2 in dopaminergic neurons reduces the percentage of flies that initially respond to sucrose stimulation. This is rescued fully by feeding l-DOPA and partially by feeding kinase inhibitors, targeted to LRRK2 (LRRK2-IN-1 and BMPPB-32). High speed video shows that G2019S expression in dopaminergic neurons slows the speed of proboscis extension, makes its duration more variable, and increases the tremor. Testing subsets of dopaminergic neurons suggests that the single TH-VUM neuron is likely most important in this phenotype. We conclude the Drosophila PER provides an excellent model of LRRK2 motor deficits showing bradykinesia, akinesia, hypokinesia, and increased tremor, with the possibility to localize changes in neural signaling. PMID- 29214212 TI - Erratum: Brain structural plasticity with spaceflight. AB - [This corrects the article DOI: 10.1038/s41526-016-0001-9.]. PMID- 29214214 TI - Molecular changes in premenopausal oestrogen receptor-positive primary breast cancer in Vietnamese women after oophorectomy. AB - For premenopausal women with primary ER + breast cancer, oophorectomy (OvX) is an evidence-based cost-effective option and is standard treatment in many countries. However, there is virtually no data describing the effects of OvX on breast tumour biology. We therefore, characterised the endocrine and genome-wide transcriptional impact of OvX in 56 premenopausal women with ER + breast cancer for 2 weeks prior to mastectomy. Plasma estradiol concentrations decreased from 406 +/- 41 to 20.7 +/- 2.6 pmol/l (mean +/- sem) 24 h after OvX, and to 8.1 +/- 0.8 pmol/l 2 weeks later at mastectomy. Ki67 decreased in 33/36 (91.7%) tumours. The expression of 655 genes changed significantly (FDR < 1%) with an absolute mean fold-change (FC) >= 1.25 (257 up, 398 down). Archetypal oestrogen-regulated genes (TFF1, GREB1, PGR and PDZK1) showed large decreases in expression (FC = 0.20-0.69; p < 1e-6-1e-7). Proliferation-associated genes (e.g. TOP2A, AURKA and UBE2C) were also strongly downregulated (FC = 0.38-0.56; p < 1e-7) along with putative progesterone-regulated genes (e.g. FKBP4, MYB; FC = 0.64-0.68; p < 1e-4 1e-7). The gene expression changes did not differ according to HER2 status and correlated strongly with the changes reported previously after aromatase inhibitor (AI) treatment in postmenopausal women (rho = 0.55, p < 1e-04). However, after OvX the mean FC was significantly higher compared to AI (p < 1e 04). In conclusion, changes in tumoural gene expression after OvX were largely similar, but of a greater magnitude to those observed after AI in postmenopausal patients; however, OvX appeared to have a greater effect on progesterone regulated genes than AI. PMID- 29214213 TI - Therapeutic Potential of Arsenic Trioxide (ATO) in Treatment of Hepatocellular Carcinoma: Role of Oxidative Stress in ATO-Induced Apoptosis. AB - Hepatocellular carcinoma (HCC), the dominant form of primary liver cancer, is the sixth most common cancer in the world with more than 700,000 people diagnosed annually. Arsenic trioxide (ATO) has been shown to be a potent anticancer agent in various carcinomas, proving particularly effective in the clinical treatment of relapsed and refractory acute promyelocytic leukemia. However, its bioactivity and molecular mechanisms against HCC has not been fully studied. Using human HCC (HepG2) cells as a test model, we studied the effects of ATO and examined the role of oxidative stress (OS) and apoptosis in cytotoxicity. OS biomarkers showed a significant increase (p< 0.05) of malondialdehyde concentrations, and a gradual decrease of antioxidant enzymes (GPx & CAT) activities with increasing ATO doses. Flow cytometry data showed a dose dependent increase in annex in V positive cells and caspase 3 activities. These results were confirmed by data of the DNA laddering assay showing a clear evidence of nucleosomal DNA fragmentation, as well as data from Western blotting showing a significant modulation of specific apoptotic related proteins, including the activation of p53 and p21 expression and the down-regulation of Bcl-2 expression in ATO-treated cells. Taken together, our research demonstrates that ATO has a potential therapeutic effect against HCC, and its cytotoxicity may be mediated via oxidative stress and activation of the mitochondrial or intrinsic pathway of apoptosis. PMID- 29214216 TI - Structural insight into the methyltransfer mechanism of the bifunctional Trm5. AB - The wyosine derivatives present at position 37 in transfer RNAs (tRNAs) are critical for reading frame maintenance. The methyltransferase Trm5a from Pyrococcus abyssi (PaTrm5a) plays a key role in this hypermodification process in generating m1G37 and imG2, two products of the wyosine biosynthetic pathway, through two methyl transfers to distinct substrates, but the mechanism is currently unknown. We report two cocrystal structures of PaTrm5a in complex with tRNAPhe and reveal the structural basis for substrate recognition, which was supported by in vitro activity assays. The crystal structures showed that the D1 domain of the enzyme undergoes large conformational changes upon the binding of tRNA. The deletion of this domain greatly reduces the affinity and activity of PaTrm5a toward its RNA substrate, indicating that the enzyme recognizes the overall shape of tRNA. Using the small-angle x-ray scattering technique and crystallographic analysis, we discovered that PaTrm5a adopts distinct open conformations before and after the binding of tRNA. Last, through structure comparison with its ortholog Methanococcus jannaschii Trm5b (MjTrm5b), we propose a reaction mechanism for the double methylation capability of this unique enzyme. PMID- 29214215 TI - Genomic and transcriptomic heterogeneity in metaplastic carcinomas of the breast. AB - Metaplastic breast cancer (MBC) is a rare special histologic type of triple negative breast cancer, characterized by the presence of neoplastic cells showing differentiation towards squamous epithelium and/or mesenchymal elements. Here we sought to define whether histologically distinct subgroups of MBCs would be underpinned by distinct genomic and/or transcriptomic alterations. Microarray based copy number profiling identified limited but significant differences between the distinct MBC subtypes studied here, despite the limited sample size (n = 17). In particular, we found that, compared to MBCs with chondroid or squamous cell metaplasia, MBCs with spindle cell differentiation less frequently harbored gain of 7q11.22-23 encompassing CLDN3 and CLDN4, consistent with their lower expression of claudins and their association with the claudin-low molecular classification. Microarray-based and RNA-sequencing-based gene expression profiling revealed that MBCs with spindle cell differentiation differ from MBCs with chondroid or squamous cell metaplasia on the expression of epithelial-to mesenchymal transition-related genes, including down-regulation of CDH1 and EPCAM. In addition, RNA-sequencing revealed that the histologic patterns observed in MBCs are unlikely to be underpinned by a highly recurrent expressed fusion gene or a pathognomonic expressed mutation in cancer genes. Loss of PTEN expression or mutations affecting PIK3CA or TSC2 observed in 8/17 MBCs support the contention that PI3K pathway activation plays a role in the development of MBCs. Our data demonstrate that despite harboring largely similar patterns of gene copy number alterations, MBCs with spindle cell, chondroid and squamous differentiation are distinct at the transcriptomic level but are unlikely to be defined by specific pathognomonic genetic alterations. PMID- 29214217 TI - Symmetry-breaking inelastic wave-mixing atomic magnetometry. AB - The nonlinear magneto-optical rotation (NMOR) effect has prolific applications ranging from precision mapping of Earth's magnetic field to biomagnetic sensing. Studies on collisional spin relaxation effects have led to ultrahigh magnetic field sensitivities using a single-beam Lambda scheme with state-of-the-art magnetic shielding/compensation techniques. However, the NMOR effect in this widely used single-beam Lambda scheme is peculiarly small, requiring complex radio-frequency phase-locking protocols. We show the presence of a previously unknown energy symmetry-based nonlinear propagation blockade and demonstrate an optical inelastic wave-mixing NMOR technique that breaks this NMOR blockade, resulting in an NMOR optical signal-to-noise ratio (SNR) enhancement of more than two orders of magnitude never before seen with the single-beam Lambda scheme. The large SNR enhancement was achieved simultaneously with a nearly two orders of magnitude reduction in laser power while preserving the magnetic resonance linewidth. This new method may open a myriad of applications ranging from biomagnetic imaging to precision measurement of the magnetic properties of subatomic particles. PMID- 29214218 TI - Skiving stacked sheets of paper into test paper for rapid and multiplexed assay. AB - This paper shows that stacked sheets of paper preincubated with different biological reagents and skiving them into uniform test paper sheets allow mass manufacturing of multiplexed immunoassay devices and simultaneous detection of multiplex targets that can be read out by a barcode scanner. The thickness of one sheet of paper can form the width of a module for the barcode; when stacked, these sheets of paper can form a series of barcodes representing the targets, depending on the color contrast provided by a colored precipitate of an immunoassay. The uniform thickness of sheets of paper allows high-quality signal readout. The manufacturing method allows highly efficient fabrication of the materials and substrates for a straightforward assay of targets that range from drugs of abuse to biomarkers of blood-transmitted infections. In addition, as a novel alternative to the conventional point-of-care testing method, the paper based barcode assay system can provide highly efficient, accurate, and objective diagnoses. PMID- 29214219 TI - 3D printing of bacteria into functional complex materials. AB - Despite recent advances to control the spatial composition and dynamic functionalities of bacteria embedded in materials, bacterial localization into complex three-dimensional (3D) geometries remains a major challenge. We demonstrate a 3D printing approach to create bacteria-derived functional materials by combining the natural diverse metabolism of bacteria with the shape design freedom of additive manufacturing. To achieve this, we embedded bacteria in a biocompatible and functionalized 3D printing ink and printed two types of "living materials" capable of degrading pollutants and of producing medically relevant bacterial cellulose. With this versatile bacteria-printing platform, complex materials displaying spatially specific compositions, geometry, and properties not accessed by standard technologies can be assembled from bottom up for new biotechnological and biomedical applications. PMID- 29214220 TI - Metal-organic frameworks and their derived materials for electrochemical energy storage and conversion: Promises and challenges. AB - In addition to their conventional uses, metal-organic frameworks (MOFs) have recently emerged as an interesting class of functional materials and precursors of inorganic materials for electrochemical energy storage and conversion technologies. This class of MOF-related materials can be broadly categorized into two groups: pristine MOF-based materials and MOF-derived functional materials. Although the diversity in composition and structure leads to diverse and tunable functionalities of MOF-based materials, it appears that much more effort in this emerging field is devoted to synthesizing MOF-derived materials for electrochemical applications. This is in view of two main drawbacks of MOF-based materials: the low conductivity nature and the stability issue. On the contrary, MOF-derived synthesis strategies have substantial advantages in controlling the composition and structure of MOF-derived materials. From this perspective, we review some emerging applications of both groups of MOF-related materials as electrode materials for rechargeable batteries and electrochemical capacitors, efficient electrocatalysts, and even electrolytes for electrochemical devices. By highlighting the advantages and challenges of each class of materials for different applications, we hope to shed some light on the future development of this highly exciting area. PMID- 29214221 TI - Neurobiology of KB220Z-Glutaminergic-Dopaminergic Optimization Complex [GDOC] as a Liquid Nano: Clinical Activation of Brain in a Highly Functional Clinician Improving Focus, Motivation and Overall Sensory Input Following Chronic Intake. AB - Background: With neurogenetic and epigenetic tools utilized in research and neuroimaging, we are unraveling the mysteries of brain function, especially as it relates to Reward Deficiency (RDS). We encourage the development of pharmaceuticals or nutraceuticals that promote a reduction in dopamine resistance and balance brain neurochemistry, leading to dopamine homeostasis. We disclose self-assessment of a highly functional professional under work-related stress following KB220Z use, a liquid (aqua) nano glutaminergic-dopaminergic optimization complex (GDOC). Case presentation: Subject took GDOC for one month. Subject self-administered GDOC using one-half-ounce twice a day. During first three days, unique brain activation occurred; resembling white noise after 30 minutes and sensation was strong for 45 minutes and then dissipated. He described effect as if his eyesight improved slightly and pointed out that his sense of smell and sleep greatly improved. Subject experienced a calming effect similar to meditation that could be linked to dopamine release. He also reported control of going over the edge after a hard day's work, which was coupled with a slight increase in energy, increased motivation to work, increased focus and multi tasking, with clearer purpose of task at hand. Subject felt less inhibited in a social setting and suggested Syndrome that GDOC increased his Behavior Activating System (reward), while having a decrease in the Behavior Inhibition System (caution). Conclusion: These results and other related studies reveal an improved mood, work-related focus, and sleep. These effects as a subjective feeling of brain activation maybe due to direct or indirect dopaminergic interaction. While this case is encouraging, we must await more research in a larger randomized placebo-controlled study to map the role of GDOC, especially in a nano-sized product, to determine the possible effects on circuit inhibitory control and memory banks and the induction of dopamine homeostasis independent of either hypo or hyper-dopaminergic traits/states. PMID- 29214222 TI - Reasons to pursue a career in medicine: a qualitative study in Sierra Leone. AB - Background: Many low-income and crises-affected countries like Sierra Leone struggle with the recruitment and retention of their health professionals, particularly nurses and doctors. There are multiple factors that influence the 'recruitment to retention' pipeline. The first stage of an exploration into the issues influencing the availability of qualified health care workers may focus on the aspects which influence their entry into relevant educational programmes. This paper explores the reasons given by junior doctors in Sierra Leone for wanting to become a doctor. It also describes entry procedures into undergraduate medical education. Methods: In-depth interviews were conducted with purposively sampled junior doctors (n = 15) from the only medical school in Sierra Leone in October 2013. Digital diaries and two follow-up interviews were used to explore their evolving career experiences and aspirations until November 2016. In addition, semi-structured interviews with key informants (n = 20), including senior teaching staff at the medical school (n = 7), were conducted. Thematic analysis was used to explore linkages and themes across cases. Results: Six themes were identified. The most commonly mentioned reasons for wanting to become a doctor were a desire to help (theme 4) and the influence of family and friends, via role modelling (theme 2) and verbal encouragement (theme 3). Other motives were an interest from a young age (theme 1), being attracted by the job prospects (theme 5), and having an intellectual and science capacity (theme 6). Junior doctors gave at least two and up to six reasons for applying to enter the medical profession. Doctors were allowed entry to the medical school largely based on their previous academic performance. Conclusions: This study showed that multiple reasons underlie the decision to apply for entrance to medical school and the decision to enter medicine is complex. These findings may inform the review of future admission procedures by the medical school in Sierra Leone and similar settings, which is a crucial step in addressing the human resource needs for healthcare that currently exist. PMID- 29214223 TI - Novel elvitegravir nanoformulation approach to suppress the viral load in HIV infected macrophages. AB - Purpose: Monocytes serve as sanctuary sites for HIV-1 from which virus is difficult to be eliminated. Therefore, an effective viral suppression in monocytes is critical for effective antiretroviral therapy (ART). This study focuses on a new strategy using nanoformulation to optimize the efficacy of ART drugs in HIV-infected monocytes. Methods: Poly(lactic-co-glycolic acid) (PLGA) based elvitegravir nanoparticles (PLGA-EVG) were prepared by nano-precipitation technique. The physicochemical properties of PLGA-EVG were characterized using transmission electron microscopy, dynamic light scattering, and Fourier-transform infrared spectroscopy. Cellular uptake study was performed by fluorescence microscopy and flow cytometry. All in vitro experiments were performed by using HIV-infected monocytic cell lines U1 and HIV-infected primary macrophages. Elvitegravir quantification was performed using LC-MS/MS. HIV viral replication was assessed by using p24 ELISA. Results: We developed a PLGA-EVG nanoparticle formulation with particle size of ~ 47 nm from transmission electron microscopy and zeta potential of ~ 6.74 mV from dynamic light scattering. These nanoparticles demonstrated a time- and concentration-dependent uptakes in monocytes. PLGA-EVG formulation showed a ~ 2 times higher intracellular internalization of EVG than control group (EVG alone). PLGA-EVG nanoparticles also demonstrated superior viral suppression over control for a prolonged period of time. Conclusions: PLGA-based EVG nanoformulation increased the intracellular uptake of EVG, as well as enhanced viral suppression in HIV-infected macrophages, suggesting its potential for improved HIV treatment in monocytic cells. PMID- 29214224 TI - Mutation network-based understanding of pleiotropic and epistatic mutational behavior of Enterococcus faecalis FMN-dependent azoreductase. AB - We previously identified a highly active homodimeric FMN-dependent NADH-preferred azoreductase (AzoA) from Enterococcus faecalis, which cleaves the azo bonds (R N?N-R) of diverse azo dyes, and determined its crystal structure. The preliminary network-based mutational analysis suggested that the two residues, Arg-21 and Asn 121, have an apparent mutational potential for fine-tuning of AzoA, based on their beneficial pleiotropic feedbacks. However, epistasis between the two promising mutational spots in AzoA has not been obtained in terms of substrate binding and azoreductase activity. In this study, we further quantified, visualized, and described the pleiotropic and/or epistatic behavior of six single or double mutations at the positions, Arg-21 and Asn-121, as a further research endeavor for beneficial fine-tuning of AzoA. Based on this network-based mutational analysis, we showed that pleiotropy and epistasis are common, sensitive, and complex mutational behaviors, depending mainly on the structural and functional responsibility and the physicochemical properties of the residue(s) in AzoA. PMID- 29214225 TI - Crocin, a plant-derived carotenoid, modulates microglial reactivity. AB - Microglia activation plays an important role in immune responses in the CNS including the retina. Crocin, a plant-derived carotenoid, has been reported to possess anti-inflammatory, anti-apoptotic and anti-oxidative capacity in models of retinal damage and degeneration. If these neuroprotective effects could be mediated by direct modulation of microglial cells is unclear. Here, we examined the direct effects of crocin on key functions and pro-inflammatory gene expression in lipopolysaccharide (LPS)-activated BV-2 microglia. We found that crocin stimulation strongly promoted filopodia formation and markedly increased microglial phagocytosis, two important parameters relevant for physiological microglia functions. Moreover, crocin significantly reduced gene expression of the pro-inflammatory markers IL6, CCL2, and iNOS in LPS-challenged BV-2 cells and potently blocked NO production in these microglia. The observed immunomodulatory effects of crocin were not mediated by general inhibition of NFkB nuclear translocation. Our findings indicate that many of the anti-inflammatory effects of crocin demonstrated in animal models of neuronal degeneration could be mediated by its direct effects on microglia homeostasis. PMID- 29214226 TI - Derivatives (halogen, nitro and amino) of 8-hydroxyquinoline with highly potent antimicrobial and antioxidant activities. AB - 8-Hydroxyquinoline (8HQ) compounds have been reported to possess diverse bioactivities. In recent years, drug repositioning has gained considerable attention in drug discovery and development. Herein, 8HQ (1) and its derivatives (2-9) bearing various substituents (amino, nitro, cyano and halogen) were investigated for their antimicrobial against 27 microorganisms (agar dilution method) and antioxidant (DPPH method) activities. The parent 8HQ (1) exerted a highly potent antimicrobial activity against Gram-positive bacteria including diploid fungi and yeast with MIC values in the range of 3.44-13.78 MUM. Moreover, the halogenated 8HQ, especially 7-bromo-8HQ (4) and clioquinol (6), displayed a high antigrowth activity against Gram-negative bacteria compared with the parent compound (1). Apparently, the derivatives with a relatively high safely index, e.g., nitroxoline (2), exhibited strong antibacterial activity against Aeromonas hydrophila (MIC=5.26 MUM) and selectively inhibited the growth of P. aeruginosa with the MIC value of 84.14 MUM; cloxyquin (3) showed a strong activity against Listseria monocytogenes and Plesiomonas shigelloides with MIC values of 5.57 and 11.14 MUM, respectively. Most compounds displayed an antioxidant activity. Specifically, 5-amino-8HQ (8) was shown to be the most potent antioxidant (IC50=8.70 MUM) compared with the positive control (alpha-tocopherol) with IC50 of 13.47 MUM. The findings reveal that 8HQ derivatives are potential candidates to be further developed as antimicrobial and antioxidant agents. PMID- 29214227 TI - Potentiating effect of glabridin from Glycyrrhiza glabra on GABAA receptors. AB - Extracts from Glycyrrhiza are traditionally used for the treatment of insomnia and anxiety. Glabridin is one of the main flavonoid compounds from Glycyrrhiza glabra and displays a broad range of biological properties. In the present work, we investigated the effect of glabridin on GABAA receptors. For this purpose, we employed the two-electrode voltage-clamp technique on Xenopus laevis oocytes expressing recombinant GABAA receptors. Through this approach, we observed that glabridin presents a strong potentiating effect on GABAA alpha1beta(1-3)gamma2 receptors. The potentiation was slightly dependent on the beta subunit and was most pronounced at the alpha1beta2gamma2 subunit combination, which forms the most abundant GABAA receptor in the CNS. Glabridin potentiated with an EC50 of 6.3+/-1.7 uM and decreased the EC50 of the receptor for GABA by approximately 12 fold. The potentiating effect of glabridin is flumazenil-insensitive and does not require the benzodiazepine binding site. Glabridin acts on the beta subunit of GABAA receptors by a mechanism involving the M286 residue, which is a key amino acid at the binding site for general anesthetics, such as propofol and etomidate. Our results demonstrate that GABAA receptors are strongly potentiated by one of the main flavonoid compounds from Glycyrrhiza glabra and suggest that glabridin could contribute to the reported hypnotic effect of Glycyrrhiza extracts. PMID- 29214228 TI - A glucose/mannose binding lectin from litchi (Litchi chinensis) seeds: Biochemical and biophysical characterizations. AB - Background: Lectins are highly important biomolecules to study several biological processes. A novel alpha-D-glucose/mannose specific lectin was isolated from the seeds of litchi fruits (Litchi chinensis) and its various biophysical and biochemical properties were studied. Methods: Purification was done by successive Sephadex G 100 and Con A-Sepharose 4B affinity chromatography. SDS-PAGE, Surface Plasmon Resonance (SPR), steady state absorbance, fluorescence, time-correlated single-photon counting, circular dichroism and antibiofilm activity by measuring total protein estimation and azocasein degradation assay have been performed. Results: The purified lectin is a homodimer of molecular mass ~ 54 kDa. The amount of lectin required for hemagglutination of normal human O erythrocytes was 6.72 ug/ml. Among the saccharides tested, Man-alpha-(1,6)-Man was found to be the most potent inhibitor (0.01 mM) determined by hemagglutination inhibition assay. Steady state and time resolved fluorescence measurements revealed that litchi lectin formed ground state complex with maltose (Ka=4.9 (+/-0.2)*104 M-1), which indicated static quenching (Stern-Volmer (SV) constant Ksv=4.6 (+/-0.2)*104 M-1). CD measurements demonstrated that litchi lectin showed no overall conformational change during the binding process with maltose. The lectin showed antibiofilm activity against Pseudomonus aeruginosa. Conclusions: A novel homodimeric lectin has been purified from the seeds of litchi fruits (Litchi chinensis) having specificity for alpha-d-glucose/mannose. The thermodynamics and conformational aspects of its interaction with maltose have been studied in detail. The antibiofilm activity of this lectin towards Pseudomonus aeruginosa has been explored. General significance: The newly identified litchi lectin is highly specific for alpha-d-glucose/mannose with an important antibiofilm activity towards Pseudomonus aeruginosa. PMID- 29214229 TI - Feasibility trial of a psychoeducational intervention for parents with personality difficulties: The Helping Families Programme. AB - The Helping Families Programme is a psychoeducational parenting intervention that aims to improve outcomes and engagement for parents affected by clinically significant personality difficulties. This is achieved by working collaboratively with parents to explore ways in which their emotional and relational difficulties impact on parenting and child functioning, and to identify meaningful and realistic goals for change. The intervention is delivered via one-to-one sessions at weekly intervals over a period of 16 weeks. This protocol describes a two-arm parallel RCT in which consenting parents are randomly allocated in a 1:1 ratio to either the Helping Families Programme plus the usual services that the parent may be receiving from their mental health and/or social care providers, or to standard care (usual services plus a brief parenting advice session). The primary clinical outcome will be child behaviour. Secondary clinical outcomes will be child and parental mental health, parenting satisfaction, parenting behaviour and therapeutic alliance. Health economic measures will be collected on quality of life and service use. Outcome measures will be collected at the initial assessment stage, after the intervention is completed and at 6-month follow-up by research staff blind to group allocation. Trial feasibility will be assessed using rates of trial participation at the three time points and intervention uptake, attendance and retention. A parallel process evaluation will use qualitative interviews to ascertain key-workers' and parent participants' experiences of intervention delivery and trial participation. The results of this feasibility study will determine the appropriateness of proceeding to a full scale trial. PMID- 29214230 TI - Cytotoxicity of Endocytosis and Efflux Inhibitors in the BeWo Cell Line. AB - Aims: The purpose of this study was to determine the cell viability and cytotoxicity of various endocytosis and efflux inhibitors which can be used to determine transport and uptake mechanisms in the BeWo (b30 clone) human placental trophoblast cell line. Ethanol and dimethylsulfoxide (DMSO) were also studied since they are often used as cosolvents for administration of these inhibitors. Methodology: The water-soluble tetrazolium-1 (WST-1) assay was used to quantify cell viability and the lactate dehydrogenase (LDH) assay was used to determine cytotoxicity. Results: By the WST-1 assay, reduced cell viability was observed following 4 hours of exposure to chlorpromazine (10 MUg/mL), colchicine (1 mM), filipin (3 MUg/mL), gentamicin (2 mM), GF120918 (1 MUM), methyl-beta-cyclodextrin (5 mM), and verapamil (100 MUM). By the LDH assay, however, no cytotoxicity was observed after 4 hours of exposure to the aforementioned compounds. Amiloride (500 MUM), ethanol (up to 0.1% v/v), and DMSO (up to 0.1% v/v) did not reduce cell viability nor induce cytotoxicity. Conclusion: This information is valuable when selecting potential inhibitors of endocytosis and efflux and the selection of time points for mechanistic studies. PMID- 29214231 TI - Ab initio chemical safety assessment: A workflow based on exposure considerations and non-animal methods. AB - We describe and illustrate a workflow for chemical safety assessment that completely avoids animal testing. The workflow, which was developed within the SEURAT-1 initiative, is designed to be applicable to cosmetic ingredients as well as to other types of chemicals, e.g. active ingredients in plant protection products, biocides or pharmaceuticals. The aim of this work was to develop a workflow to assess chemical safety without relying on any animal testing, but instead constructing a hypothesis based on existing data, in silico modelling, biokinetic considerations and then by targeted non-animal testing. For illustrative purposes, we consider a hypothetical new ingredient x as a new component in a body lotion formulation. The workflow is divided into tiers in which points of departure are established through in vitro testing and in silico prediction, as the basis for estimating a safe external dose in a repeated use scenario. The workflow includes a series of possible exit (decision) points, with increasing levels of confidence, based on the sequential application of the Threshold of Toxicological (TTC) approach, read-across, followed by an "ab initio" assessment, in which chemical safety is determined entirely by new in vitro testing and in vitro to in vivo extrapolation by means of mathematical modelling. We believe that this workflow could be applied as a tool to inform targeted and toxicologically relevant in vitro testing, where necessary, and to gain confidence in safety decision making without the need for animal testing. PMID- 29214232 TI - Hybrid Protein-Glycosaminoglycan Hydrogels Promote Chondrogenic Stem Cell Differentiation. AB - Gelatin-hyaluronic acid (Gel-HA) hybrid hydrogels have been proposed as matrices for tissue engineering because of their ability to mimic the architecture of the extracellular matrix. Our aim was to explore whether tyramine conjugates of Gel and HA, producing injectable hydrogels, are able to induce a particular phenotype of encapsulated human mesenchymal stem cells without the need for growth factors. While pure Gel allowed good cell adhesion without remarkable differentiation and pure HA triggered chondrogenic differentiation without cell spreading, the hybrids, especially those rich in HA, promoted chondrogenic differentiation as well as cell proliferation and adhesion. Secretion of chondrogenic markers such as aggrecan, SOX-9, collagen type II, and glycosaminoglycans was observed, whereas osteogenic, myogenic, and adipogenic markers (RUNX2, sarcomeric myosin, and lipoproteinlipase, respectively) were not present after 2 weeks in the growth medium. The most promising matrix for chondrogenesis seems to be a mixture containing 70% HA and 30% Gel as it is the material with the best mechanical properties from all compositions tested here, and at the same time, it provides an environment suitable for balanced cell adhesion and chondrogenic differentiation. Thus, it represents a system that has a high potential to be used as the injectable material for cartilage regeneration therapies. PMID- 29214233 TI - Supramolecular Assembly of Uridine Monophosphate (UMP) and Thymidine Monophosphate (TMP) with a Dinuclear Copper(II) Receptor. AB - Understanding the intermolecular interactions between nucleotides and artificial receptors is crucial to understanding the role of nucleic acids in living systems. However, direct structural evidence showing precise interactions and bonding features of a nucleoside monophosphate (NMP) with a macrocycle-based synthetic molecule has not been provided so far. Herein, we present two novel crystal structures of uridine monophosphate (UMP) and thymidine monophosphate (TMP) complexes with a macrocycle-based dinuclear receptor. Structural characterization of these complexes reveals that the receptor recognizes UMP through coordinate-covalent interactions with phosphates and pi-pi stackings with nucleobases and TMP through coordinate-covalent interactions with phosphate groups. Furthermore, the receptor has been shown to effectively bind nucleoside monophosphates in the order of GMP > AMP > UMP > TMP > CMP in water at physiological pH, as investigated by an indicator displacement assay. PMID- 29214235 TI - Kinetics and Thermodynamics of DbpA Protein's C-Terminal Domain Interaction with RNA. AB - DbpA is an Escherichia coli DEAD-box RNA helicase implicated in RNA structural isomerization in the peptide bond formation site. In addition to the RecA-like catalytic core conserved in all of the members of DEAD-box family, DbpA contains a structured C-terminal domain, which is responsible for anchoring DbpA to hairpin 92 of 23S ribosomal RNA during the ribosome assembly process. Here, surface plasmon resonance was used to determine the equilibrium dissociation constant and the microscopic rate constants of the DbpA C-terminal domain association and dissociation to a fragment of 23S ribosomal RNA containing hairpin 92. Our results show that the DbpA protein's residence time on the RNA is 10 times longer than the time DbpA requires to hydrolyze one ATP. Thus, our data suggest that once bound to the intermediate ribosomal particles via its RNA binding domain, DbpA could unwind a number of double-helix substrates before its dissociation from the ribosomal particles. PMID- 29214234 TI - Magnetic Sensing Potential of Fe3O4 Nanocubes Exceeds That of Fe3O4 Nanospheres. AB - This paper highlights the relation between the shape of iron oxide (Fe3O4) particles and their magnetic sensing ability. We synthesized Fe3O4 nanocubes and nanospheres having tunable sizes via solvothermal and thermal decomposition synthesis reactions, respectively, to obtain samples in which the volumes and body diagonals/diameters were equivalent. Vibrating sample magnetometry (VSM) data showed that the saturation magnetization (Ms) and coercivity of 100-225 nm cubic magnetic nanoparticles (MNPs) were, respectively, 1.4-3.0 and 1.1-8.4 times those of spherical MNPs on a same-volume and same-body diagonal/diameter basis. The Curie temperature for the cubic Fe3O4 MNPs for each size was also higher than that of the corresponding spherical MNPs; furthermore, the cubic Fe3O4 MNPs were more crystalline than the corresponding spherical MNPs. For applications relying on both higher contact area and enhanced magnetic properties, higher-Ms Fe3O4 nanocubes offer distinct advantages over Fe3O4 nanospheres of the same-volume or same-body diagonal/diameter. We evaluated the sensing potential of our synthesized MNPs using giant magnetoresistive (GMR) sensing and force-induced remnant magnetization spectroscopy (FIRMS). Preliminary data obtained by GMR sensing confirmed that the nanocubes exhibited a distinct sensitivity advantage over the nanospheres. Similarly, FIRMS data showed that when subjected to the same force at the same initial concentration, a greater number of nanocubes remained bound to the sensor surface because of higher surface contact area. Because greater binding and higher Ms translate to stronger signal and better analytical sensitivity, nanocubes are an attractive alternative to nanospheres in sensing applications. PMID- 29214237 TI - Effects of Cationic Proteins on Gold Nanoparticle/Aptamer Assays. AB - Gold nanoparticles (AuNPs) and aptamers are compelling building blocks for analytical assays with desired attributes of selectivity and sensitivity and may theoretically form the basis of instrument-free color-changing assays for any target against which a DNA aptamer has been selected. However, assays for proteins based on these components may be subject to significant interferences from the interaction of proteins with nanoparticles. We found that for three representative protein/aptamer systems-thrombin, apolipoprotein E, and platelet derived growth factor-pH-dependent aggregation occurred, even in the absence of the aptamer, to differing extents. This effect is most pronounced when proteins display net surface charge (i.e., when pH < pI) but can even be observed at pH = pI when the protein retains regions of positive charge. These interactions of AuNPs and cationic regions on proteins may present an important limitation on the development of AuNP-based analytical assays. PMID- 29214236 TI - Characterization of Byproducts from Chemical Syntheses of Oligonucleotides Containing 1-Methyladenine and 3-Methylcytosine. AB - Oligonucleotides serve as important tools for biological, chemical, and medical research. The preparation of oligonucleotides through automated solid-phase synthesis is well-established. However, identification of byproducts generated from DNA synthesis, especially from oligonucleotides containing site-specific modifications, is sometimes challenging. Typical high-performance liquid chromatography (HPLC), mass spectrometry (MS), and gel electrophoresis methods alone are not sufficient for characterizing unexpected byproducts, especially for those having identical or very similar molecular weight (MW) to the products. We used a rigorous quality control procedure to characterize byproducts generated during oligonucleotide syntheses: (1) purify oligonucleotides by different HPLC systems; (2) determine exact MW by high-resolution MS; (3) locate modification position by MS/MS or exonuclease digestion with matrix-assisted laser desorption ionization-time of flight analysis; and (4) conduct, where applicable, enzymatic assays. We applied these steps to characterize byproducts in the syntheses of oligonucleotides containing biologically important methyl DNA adducts 1 methyladenine (m1A) and 3-methylcytosine (m3C). In m1A synthesis, we differentiated a regioisomeric byproduct 6-methyladenine, which possesses a MW identical to uncharged m1A. As for m3C, we identified a deamination byproduct 3 methyluracil, which is only 1 Da greater than uncharged m3C in the ~4900 Da context. The detection of these byproducts would be very challenging if the abovementioned procedure was not adopted. PMID- 29214238 TI - Redox Regulation of a Gain-of-Function Mutation (N308D) in SHP2 Noonan Syndrome. AB - SHP2 (Src homology 2 domain-containing protein tyrosine phosphatase 2; PTPN11) is a ubiquitous multidomain, nonreceptor protein tyrosine phosphatase (PTP) that plays an important role in diseases such as cancer, diabetes, and Noonan syndrome (NS). NS is one of the most common genetic disorders associated with congenital heart disease, and approximately half of the patients with Noonan syndrome have gain-of-function mutations in SHP2. One of the most common NS mutations is N308D. The activity of SHP2, like that of most PTPs, is reversibly inactivated by reactive oxygen species (ROS). However, the molecular basis of this inactivation and the consequences of NS-related mutations in PTPN11 on ROS-mediated inhibition are poorly understood. Here, we investigated the mechanistic and structural details of the reversible oxidation of the NS variant SHP2N308D. We show that SHP2N308D is more sensitive to oxidation when compared with wild-type SHP2. We also show that although the SHP2N308D catalytic domain can be reactivated by dithiothreitol as effectively as the wild-type, full-length SHP2N308D is only poorly reactivated by comparison. To understand the mechanism of oxidation at a molecular level, we determined the crystal structure of oxidized SHP2N308D. The structure shows that the catalytic Cys459 residue forms a disulfide bond with Cys367, which confirms that Cys367 functions as the "backdoor" cysteine in SHP2. Together, our data suggest that the reversible oxidation of SHP2 contributes negligibly, if at all, to the symptoms associated with NS. PMID- 29214239 TI - Protonation Enhances the Inherent Helix-Forming Propensity of pHLIP. AB - Cell-penetrating peptides (CPPs) can be potentially used in targeted delivery of therapeutic cargoes. However, their conformation in solution is poorly understood. We employed molecular dynamics simulations to probe the structural fluctuations of an anionic CPP, pH Low Insertion Peptide (pHLIP), in solution to determine the effects of modifications to selected residues on the structure of pHLIP. Two types of modifications were tested: (1) protonation of aspartic acid residues and (2) point mutations known to affect the acid sensitivity of pHLIP. pHLIP samples conformations ranging from coil to helix to sheet, and modifications to pHLIP lead to subtle shifts in the balance between these conformations. In some instances, pHLIP is as likely to form a helical conformation as it is to form an unstructured coil. Understanding the behavior of pHLIP in solution is necessary for determining optimal conditions for administration of pHLIP and design of promising pHLIP variants. PMID- 29214240 TI - New principles for auxetic periodic design. AB - We show that, for any given dimension d >= 2, the range of distinct possible designs for periodic frameworks with auxetic capabilities is infinite. We rely on a purely geometric approach to auxetic trajectories developed within our general theory of deformations of periodic frameworks. PMID- 29214242 TI - Towards a Sign-Based Indoor Navigation System for People with Visual Impairments. AB - Navigation is a challenging task for many travelers with visual impairments. While a variety of GPS-enabled tools can provide wayfinding assistance in outdoor settings, GPS provides no useful localization information indoors. A variety of indoor navigation tools are being developed, but most of them require potentially costly physical infrastructure to be installed and maintained, or else the creation of detailed visual models of the environment. We report development of a new smartphone-based navigation aid, which combines inertial sensing, computer vision and floor plan information to estimate the user's location with no additional physical infrastructure and requiring only the locations of signs relative to the floor plan. A formative study was conducted with three blind volunteer participants demonstrating the feasibility of the approach and highlighting the areas needing improvement. PMID- 29214241 TI - Text Messaging May Engage and Benefit Adults with Type 2 Diabetes Regardless of Health Literacy Status. AB - Background: Technology-delivered interventions have the potential to improve diabetes self-care and glycemic control among adults with type 2 diabetes (T2D). However, patients who do not engage with interventions may not reap benefits, and there is little evidence on how engagement with mobile health interventions varies by health literacy status. Objective: This study explored how patients with limited health literacy engaged with and experienced Rapid Education/Encouragement and Communications for Health (REACH), a text messaging intervention designed to support the self-care adherence of disadvantaged patients with T2D. We recruited adults with T2D from federally qualified health centers and used mixed methods to examine (1) associations between users' health literacy status and their prior mobile phone use and their engagement with REACH and (2) similarities and differences in users' self-reported benefits by health literacy status. Methods: Participants (N = 55) completed a survey, including measures of health literacy and prior mobile phone use. For 2 weeks, participants experienced REACH, which included daily text messages promoting self-care and asking about medication adherence, and weekly text messages providing medication adherence feedback. After 2 weeks, participants completed a semi-structured telephone interview about their experiences. Key Results: Participants with limited health literacy were less likely to have used cell phones to access the Internet (48% vs. 90%, p = .001) or email (36% vs. 87%, p < .001), but equally as likely to have used text messaging and to respond to REACH text messages (p = .12 and p = .40, respectively) compared to participants with adequate health literacy. Participants responded to 93% of text messages on average and reported benefits of the intervention, including reminders and accountability, convenience and accessibility, and information and motivation. Participants with limited health literacy described a unique benefit of receiving social support from the intervention. Conclusions: Text messaging interventions may engage and benefit patients with T2D, regardless of health literacy status. Text messaging may have the potential to reduce T2D health disparities related to limited health literacy. PMID- 29214243 TI - Intracellular investigation on the differential effects of 4 polyphenols on MCF-7 breast cancer cells by Raman imaging. AB - The past decades have seen significant interest in the study of polyphenolic compounds as potential therapeutic agents in medicine because they display a vast array of cellular effects beneficial to treat or manage a plethora of chronic diseases including inflammatory diseases, cardiovascular abnormalities and several types of cancer. These compounds act at different stages of carcinogenesis but deciphering their mode of action is a complex task. Live MCF-7 breast cancer cells were investigated using Raman imaging to evaluate the perturbations induced after incubating cells with four different polyphenols: EGCG, gallic acid, resveratrol and tannic acid. First, clear spectral changes could be observed between the spectra of the cytoplasm and the nucleus of live MCF-7 cancer cells demonstrating a difference in their respective global chemical composition. The treatments induced significant modifications in the cells but no clear common pattern of modifications from the 4 drugs could be observed in the cell spectra in the 1800-600 cm-1 region. The high spatial resolution of Raman confocal microscopy enabled both the nucleus and cytoplasm to be independently targeted to study the impact of the polyphenols on the cell line. Positive spectral variations at 2851 cm-1 and 2920 cm-1 as well as in the 1460-1420 cm-1 and 1660-1650 cm-1 spectral regions inside cell cytoplasm reflected an increase of the lipid content after exposure to polyphenols. Lipid accumulation appears to be an early biomarker of drug-induced cell stress and subsequent apoptosis. Interestingly an increase of cytochrome c into the cytosol was also induced by EGCG. These multiple events are possibly associated with cell apoptosis. In conclusion, Raman micro-spectroscopy provides a complementary spectroscopic method to realize biological investigations on live cancer cells and to evaluate the effects of polyphenols at the subcellular level. PMID- 29214244 TI - DNAzyme based visual detection of DNA methylation. AB - A novel colorimetric method which utilizes DNAzyme as a signal reporter was developed for DNA methylation detection. As low as 1/106 of methylated DNA could be successfully detected from unmethylated DNA. The discrimination ability is at least two orders of magnitude better than that of the methylation specific PCR. PMID- 29214245 TI - Enantioselective total synthesis of (-)-kainic acid and (+)-acromelic acid C via Rh(i)-catalyzed asymmetric enyne cycloisomerization. AB - A diversity-oriented synthetic strategy was developed for the total synthesis of kainoid amino acids, which led to the enantioselective synthesis of (-)-kainic acid and the first total synthesis of (+)-acromelic acid C. Rh(i)-catalyzed asymmetric enyne cycloisomerization served as the key reaction in this strategy for the rapid construction of highly functionalized lactam, and the resulting vinyl acetate moiety was further utilized as a versatile building block for the installation of both isopropylidene and 2-pyridone units existing in natural kainoids. PMID- 29214247 TI - Isomeric control of the mechanical properties of supramolecular filament hydrogels. AB - Supramolecular filament hydrogels are an emerging class of biomaterials that hold great promise for regenerative medicine, tissue engineering, and drug delivery. However, fine-tuning of their bulk mechanical properties at the molecular level without altering their network structures remains a significant challenge. Here we report an isomeric strategy to construct amphiphilic peptides through the conjugation of isomeric hydrocarbons to influence the local viscoelastic properties of their resulting supramolecular hydrogels. In this case, the packing requirements of the chosen isomeric hydrocarbons within the supramolecular filaments are dictated by their atomic arrangements at the molecular and intermolecular levels. Atomistic molecular dynamics simulations suggest that this design strategy can subtly alter the molecular packing at the interface between the peptide domain and the hydrophobic core of the supramolecular assemblies, without changing both the filament width and morphology. Our results from wide angle X-ray scattering and molecular simulations further confirm that alterations to the intermolecular packing at the interface impact the strength and degree of hydrogen bonding within the peptide domains. This subtle difference in the isomeric hydrocarbon design and their consequent packing difference led to variations in the persistence length of the individual supramolecular filaments. Microrheological analysis reveals that this difference in filament stiffness enables the fine-tuning of the mechanical properties of the hydrogel at the macroscopic scale. We believe that this isomeric platform provides an innovative method to tune the local viscoelastic properties of supramolecular polymeric hydrogels without necessarily altering their network structures. PMID- 29214248 TI - Rh(iii)-Catalyzed ortho-C-H alkynylation of N-phenoxyacetamides with hypervalent iodine-alkyne reagents at room temperature. AB - A Rh(iii)-catalyzed C-H alkynylation of substituted N-phenoxyacetamides has been developed with the aid of hypervalent iodine-alkyne reagents. Complementary to the Sonogashira coupling reaction, this protocol provides an efficient and straightforward method to access aryl alkynes at room temperature. The multifunctional directing group is preserved which can be further employed for ortho-directed functionalizations to obtain additional new complex products. PMID- 29214249 TI - Shapes matter: examining the optical response evolution in stretched aluminium nanoparticles via time-dependent density functional theory. AB - Using first-principles time-dependent density functional theory calculations, we investigate the shape-anisotropy effects on the optical response of a spherical aluminium nanoparticle subjected to a stretching process in different directions. Progressively increased stretching in one direction resulted in prolate spheroid (nanorice) geometries and produced a couple of well-distinguishable dominant peaks together with some satellite peaks in the UV-visible region of the electromagnetic spectrum. On the other hand, progressively increased stretching in two directions caused multiple peaks to appear in the UV-visible region of the electromagnetic spectrum. We believe that our findings can be beneficial for the emerging and potentially far-reaching field of aluminum plasmonics. PMID- 29214250 TI - Observations of a streak texture in the hybrid-aligned smectic-C phase. AB - A novel structure was observed below the smectic-A-smectic-C phase transition in a very thin open cell having an air interface above and enforced planar anchoring at the substrate below. The structure appears as periodic dark and light streaks running perpendicular to the oily streaks, which are present in the smectic-A phase [D. Coursault et al., Soft Matter, 2016, 12, 678]. These new streaks, which we call "soapy streaks", form by extending from one oily streak to the next in discrete steps, eliminating optical evidence at visible wavelengths of the oily streaks. At lower temperatures the streaks can undulate and exhibit a sawtooth like structure; such a structure is chiral in two dimensions. A possible scenario for the origin of these streaks is presented. PMID- 29214251 TI - Photoresponsive spherical nucleic acid: spatiotemporal control of the assembly circuit and intracellular microRNA release. AB - Herein, we designed and prepared a photoresponsive spherical nucleic acid (SNA) conjugate by inserting a photocleavable linker into the recognition sequence of SNA which can block the reactivity of the system temporally until specific UV light (~365 nm) is introduced. The photoresponsive SNA realizes temporal regulation of a self-assembly reaction circuit and spatial selectivity of microRNA release in a cell population, respectively. PMID- 29214253 TI - Velocity force curves, laning, and jamming for oppositely driven disk systems. AB - Using simulations we examine a two-dimensional disk system in which two disk species are driven in opposite directions. We measure the average velocity of one of the species versus the applied driving force and identify four phases as function of drive and disk density: a jammed state, a completely phase separated state, a continuously mixing phase, and a laning phase. The transitions between these phases are correlated with jumps in the velocity-force curves that are similar to the behavior observed at dynamical phase transitions in driven particle systems with quenched disorder such as vortices in type-II superconductors. In some cases the transitions between phases are associated with negative differential mobility in which the average absolute velocity of either species decreases with increasing drive. We also consider the situation where the drive is applied to only one species as well as systems in which both species are driven in the same direction with different drive amplitudes. We show that the phases are robust against the addition of thermal fluctuations. Finally, we discuss how the transitions we observe could be related to absorbing phase transitions where a system in a phase separated or laning regime organizes to a state in which contacts between the disks no longer occur and dynamical fluctuations are lost. PMID- 29214255 TI - A green-light-emitting, spontaneously blinking fluorophore based on intramolecular spirocyclization for dual-colour super-resolution imaging. AB - We have developed the first green-light-emitting, spontaneously blinking fluorophore (SBF), HEtetTFER. In combination with our near-infrared-light emitting SBF (HMSiR), HEtetTFER allows dual-colour single-molecule localization microscopy (SMLM) in buffer solution without any additive and without photoactivation. PMID- 29214256 TI - Thermally reversible nanoparticle gels with tuneable porosity showing structural colour. AB - We present colloidal gels formed from dispersions of PEG- and PEG+DNA-coated silica nanoparticles showing structural colour. The PEG- and PEG+DNA-coated silica colloids are functionalized using exclusively covalent bonds in aqueous conditions. Both sets of colloids self-assemble into thermally-reversible colloidal gels with porosity that can be tuned by changing the colloid volume fraction, although the interaction potentials of the colloids in the two systems are different. Confocal microscopy and image analysis tools are used to characteraize the gels' microstructures. Optical reflection spectroscopy is employed to study the underlying gel nanostructure and to characterize the optical response of the gels. X-ray nanotomography is used to visualize the nanoscale phase separation between the colloid-rich gel branches and the colloid free gel pores. These nanoparticle gels open new routes for creating structural colour where the gel structure is decoupled from the form factor of the individual colloids. This approach can be extended to create unexplored three dimensional macroscale materials with length scales spanning hundreds of nanometers, which has been difficult to achieve using other methods. PMID- 29214258 TI - Well-ordered self-assembled nanostructures of block copolymer films via synergistic integration of chemoepitaxy and zone annealing. AB - It is an extremely challenging task to fabricate macroscopically well-ordered nanostructures of block copolymers in a limited annealing time. In this work, we propose a novel integrated strategy of chemoepitaxy and zone annealing to direct the self-assembly of lamella-forming block copolymers. Large-scale numerical simulations corroborate that the integrated strategy has the capability to generate well-aligned and well-oriented lamellae over a macroscopic area via the synergy between the alignment guidance of the chemical template and the defect annihilation of zone annealing, even though the guiding stripes of the chemical template are extremely sparse. It is further demonstrated that the effective annealing time to achieve the well-ordered nanostructures is strongly dependent upon the pitch of guiding stripes and the thickness of block copolymer films. This work provides an instructive example for boosting the directing efficiency of chemoepitaxy through the integrated strategy, and lays the groundwork for rapidly fabricating well-ordered nanostructures of block copolymer nanolithography. PMID- 29214257 TI - Piceatannol attenuates behavioral disorder and neurological deficits in aging mice via activating the Nrf2 pathway. AB - Aging is a complex process that is accompanied by neurological damage. Chronic injection of d-galactose (d-gal) can accelerate the aging process similar to natural aging and is commonly used to build an aging model to investigate aging. In the present study, the effects of piceatannol on d-gal-induced aging in mice were evaluated. Piceatannol treatment showed an observable anti-aging effect. Results obtained in vivo showed that piceatannol retained spontaneous motor activity and enhanced spatial learning and memory abilities in mice in which aging was induced by d-gal. Morphometric analysis displayed that piceatannol prevented d-gal-induced neuronal loss, increased the number of Nissl bodies, and promoted cell proliferation in the hippocampus and cortex. Piceatannol also significantly decreased the level of MDA and elevated SOD and CAT activity in the hippocampal and cortical tissues. Furthermore, western blotting results revealed that piceatannol treatment noticeably reversed the suppression of Nrf2 nuclear translocation and increased the expressions of HO-1 and NOQ1 in mice with aging induced by d-gal. Furthermore, piceatannol activated the Nrf2 pathway in natural aging mice, whereas treatment with the Nrf2 inhibitor brusatol reversed the increased expressions of Nrf2, HO-1, and NOQ1. In conclusion, treatment with piceatannol ameliorates behavioral disorder and brain injury in an aging mouse model; this suggests that piceatannol is a promising pharmaceutical candidate for the treatment of age-associated diseases. PMID- 29214259 TI - Effect of surfactant tail length and ionic strength on the interfacial properties of nanoparticle-surfactant complexes. AB - Mixed nanoparticle-surfactant systems are effective foam stabilizing agents, but the lack of colloidal stability of the bulk dispersions makes interfacial characterization challenging. This study investigates the adsorption of CnTAB/SiO2 complexes at air/water interfaces through surface tension and interfacial rheology measurements. The effects of surfactant tail length, ionic strength, and interfacial processing on the surface properties are measured utilizing a bulk reservoir exchange methodology to avoid bulk destabilization. The surfactant structure controls the surface tension of the system, but has minimal impact on particle surface coverage or interfacial mechanics. Once adsorbed, nanoparticles remain pinned at the surface, while the surfactant is able to desorb upon bulk exchange with deionized water. Particle packing on the interface governs the interfacial mechanics, which can be modified by increasing the ionic strength of the bulk solution. Fully rigid interfaces can be generated at low particle coverages by controlling the ionic strength and interfacial processing. These findings contribute to the understanding of mixed particle surfactant systems and inform formulation and process design to achieve the desired interfacial mechanical properties. PMID- 29214264 TI - From E to Z and back again: reversible photoisomerisation of an isolated charge tagged azobenzene. AB - Substituted azobenzenes serve as chromophores and actuators in a wide range of molecular photoswitches. Here, tandem ion mobility spectrometry coupled with laser excitation is used to investigate the photoisomerisation of selected E and Z isomers of the charge-tagged azobenzene, methyl orange. Both isomers display a weak S1(npi*) photoisomerisation response in the blue part of the spectrum peaking at 440 nm and a more intense S2(pipi*) photoisomerisation response in the near-UV with maxima at 370 and 310 nm for the E and Z isomers, respectively. The 60 nm separation between the S2(pipi*) photo-response maxima for the two isomers allows them to be separately addressed in the gas phase and to be reversibly photoisomerised using different colours of light. This is an essential characteristic of an ideal photoswitch. The study demonstrates that a sequence of light pulses at different stages in an ion mobility spectrometer can be deployed to generate and probe isomers that cannot be electrosprayed directly from solution or produced through collisions in the ion source. PMID- 29214263 TI - Contacts to solution-synthesized SnS nanoribbons: dependence of barrier height on metal work function. AB - Tin(ii) monosulfide (SnS) is a layered, anisotropic material that is of interest as a two-dimensional semiconductor for opto-electronic, thermoelectric, and piezoelectric applications. In this study, the effect of work function on contact behavior was investigated. Ni/Au, Pd/Au, Cr/Au, and Ti/Au contacts were fabricated onto individual, solution-synthesized, p-type SnS nanoribbons. The lower work function metals (Cr and Ti) formed Schottky contacts, whereas the higher work function metals (Ni and Pd) formed ohmic or semi-ohmic contacts. Of the ohmic contacts, Ni was found to have a lower contact resistance (~10-4 Omega cm2 or lower) than Pd (~10-3 Omega cm2 or lower). Both the calculated Schottky barriers (0.39 and 0.50 eV) for Cr and Ti, respectively, and the ohmic behavior for Ni and Pd agree with behavior predicted by Schottky-Mott theory. The results indicate that high work function metals should be considered to form low resistance contacts to SnS multilayers. PMID- 29214268 TI - Time-dependent transport characteristics of graphene tuned by ferroelectric polarization and interface charge trapping. AB - Graphene-based field effect transistors (FETs) were fabricated by employing ferroelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) as a gate insulator. The co existing effects of ferroelectric gating and interface charge trapping on the transport properties of graphene were investigated with respect to the FET structure. The sheet resistance (Rs) of graphene shows a slight decay under a small applied voltage, which is much less than the coercive voltage of the ferroelectric PMN-PT, suggesting non-negligible charge trapping effects. Moreover, when the applied voltage is increased up to a value larger than the coercive voltage, Rs exhibits three states: an initial rapid change, followed by a slow nearly exponential evolution, and finally a saturated state either during the applied voltage is retained or after it is released. In particular, a high resistance state is finally reached due to the ferroelectric gating, implying that ferroelectric effects dominate this process. The underlying physical mechanism was fully investigated to effectively address the observed evolution of time-dependent Rs. Such a finding provides us an opportunity to understand the co existing effects of ferroelectric gating and charge trapping and tune the transport properties of graphene through the interface effects. PMID- 29214269 TI - Lab on a Chip in 2017. PMID- 29214270 TI - Protein separation under a microfluidic regime. AB - Lab-on-a-Chip (LoC), or micro-Total Analysis Systems (MUTAS), is recognized as a powerful analytical technology with high capabilities, though end-user products for protein purification are still far from being available on the market. Remarkable progress has been achieved in the separation of nucleic acids and proteins using electrophoretic microfluidic devices, while pintsize devices have been developed for protein isolation according to miniaturized chromatography principles (size, charge, affinity, etc.). In this work, we review the latest advances in the fabrication of components, detection methods and commercial implementation for the separation of biological macromolecules based on microfluidic systems, with some critical remarks on the perspectives of their future development towards standardized microfluidic systems and protocols. An outlook on the current needs and future applications is also presented. PMID- 29214271 TI - 3D time-dependent wave-packet approach in hyperspherical coordinates for the H + O2 reaction on the CHIPR and DMBE IV potential energy surfaces. AB - We perform quantum dynamics calculations for the reaction H + O2 -> O + OH on the ground-state potential energy surfaces CHIPR [Varandas, J. Chem. Phys., 2013, 138, 134117] and DMBE IV [Pastrana et al., J. Phys. Chem. 1990, 94, 8073] using a three-dimensional time-dependent wave packet formalism based on hyperspherical coordinates. Initial rovibrational state [O2(v = 0-4, j = 1-5)] dependent reaction probabilities are calculated for the case J = 0. The J-shifting scheme is employed to estimate initial state selected integral cross-sections as well as thermal rate coefficients, which is verified using a realistic extrapolation scheme. The calculated total and state-to-state rate coefficients are compared with the findings of recent experimental studies and previous theoretical calculations. PMID- 29214274 TI - Radical mechanism of a nucleophilic reaction depending on a two-dimensional structure. AB - The mechanism of nucleophilic substitution deserves more investigation to include more reaction systems such as two-dimensional (2D) materials. In this study, we used fluorinated graphene (FG) as a representative 2D material to reveal the in depth mechanism of its defluorination and nucleophilic substitution reaction under attack of common nucleophiles to explore the chemistry of 2D materials and enrich the research on the nucleophilic substitution reaction. DFT calculations and electron paramagnetic resonance spectroscopy (EPR) demonstrated that defluorination of FG occurred via a radical mechanism after a single electron transfer (SET) reaction between the nucleophile and C-F bond, and a spin center was generated on the nanosheet and fluorine anion. Moreover, neither the SN1 nor SN2 mechanism was suggested to be appropriate for the substitution reaction of FG with a 2D structure due to the corresponding kinetics or thermodynamics disadvantage; hence, its nucleophilic substitution was proved to occur via a radical mechanism initiated by the defluorination step. The proposed substitution mechanism of FG demonstrates that nucleophilic substitution via a radical mechanism can also be applied to the attacking process of common nucleophiles without any particular conditions. Furthermore, it has been discovered that triethylamine without active hydrogen can be covalently attached to graphene nanosheets via a nucleophilic substitution reaction with FG; this further indicates a radical process for the nucleophilic substitution of FG rather than an SN1 or SN2 mechanism. The detailed process of the nucleophilic substitution reaction of FG was revealed to occur via a radical mechanism depending on the 2D structure of FG, which could also represent the typical characteristic of 2D chemistry. PMID- 29214275 TI - JPAD Is Moving Fast. PMID- 29214276 TI - MRI for Pre-Dementia Trials. PMID- 29214277 TI - Web-based Software for Real-time Simulation-assisted Trial Design in Alzheimer's Disease. AB - Clinical trials for Alzheimer's Disease (AD) are necessarily designed in the presence of substantial quantitative uncertainty. Certain important aspects of this uncertainty can be mitigated by developing longitudinal models for AD progression and by using these models to simulate virtual trials and estimate operating characteristics (such as statistical power, the probability of stopping at an interim analysis, the probability of identifying the correct dose, etc.) as a function of candidate design features, such as inclusion / exclusion criteria. In this brief report we describe the development and deployment of a customized software solution that allows such simulation-based results to be generated "on the fly" in the context of a drug development team meeting. This solution leverages a number of recent practical advances in statistical and scientific computing that could be much more broadly leveraged to assure more quantitatively grounded trial designs in Alzheimer's Disease. PMID- 29214279 TI - Bridging the Gap between Research and Clinical Practice in Asymptomatic Alzheimer's Disease. AB - Due to the growing global health impact of Alzheimer's disease (AD), there is a greater need for interventions that prevent or delay the onset of clinical symptoms of this debilitating disease. Clinical trials for disease-modifying compounds in AD have shifted towards earlier stages in the spectrum of illness, including the stage prior to cognitive symptoms. A population of specific interest for clinical research includes individuals with evidence of Alzheimer's disease pathology who are asymptomatic (ADPa). The challenges and barriers regarding medical treatment of ADPa must be identified and addressed prior to the completion of a positive clinical trial in order to accelerate the translation of research findings to clinical practice. This report applies an existing public health impact model from Spencer and colleagues (2013) to evaluate the readiness of the clinical practice environment to treat ADPa individuals if a disease modifying agent achieves approval. We contrast the current clinical practice environment with a potential future state through investigating the effectiveness, reach, feasibility, sustainability, and transferability of the practice of treating ADPa individuals. PMID- 29214278 TI - Ginkgetin Ameliorates Neuropathological Changes in APP/PS1 Transgenical Mice Model. AB - The extracellular accumulation of amyloid beta protein (Abeta), reactive gliosis and cerebral amyloid angiopathy (CAA) play critical roles in the pathogenesis of Alzheimer's disease (AD). Ginkgetin, a biflavone isolated from Ginkgo biloba leaves, was previously reported to exhibit strong neuroprotection against cytotoxic insults induced by oxidative stress and amyloid beta, but it remains unclear whether ginkgetin has therapeutic effect on Alzheimer's disease (AD) in vivo. In the present study, we investigated 9 months treatment effects of ginkgetin diet in APP/PS1 mice. Our results show that ginkgetin can significantly reduce plasma Abeta levels 59% and Abeta plaque 51% in the brain of APP/PS1 transgenic mice (P<0.05), effectively inhibits cerebral microhemorrhage 69% (P<0.05), significantly decreases astrogliosis 50% and ameliorate inflammation (P<0.05), exhibits several biological properties for AD. PMID- 29214280 TI - Vitamin D and Dementia. AB - Emerging evidence suggests that low vitamin D concentrations are potentially involved in the pathogenesis of dementia. This is of particular interest when considering the high prevalence of vitamin D deficiency in elderly adults and the urgent need to identify modifiable risk factors for dementia. Studies have found that vitamin D is implicated in procognitive and neuroprotective functions, including the reduction of Alzheimer's disease hallmarks such as amyloid beta and phosphorylated tau. Cross-sectional studies have consistently found that vitamin D concentrations are significantly lower in individuals with Alzheimer's disease and cognitive impairment compared to healthy controls. Longitudinal studies support an association between low vitamin D concentrations and an increased risk of dementia and cognitive decline. Neuroimaging studies are beginning to uncover the potential neurodegenerative and cerebrovascular mechanisms that underlie these associations such as white matter hyperintensities and enlarged ventricular volume, although there is currently a lack of longitudinal studies. In contrast to observational studies, findings from interventional studies have produced mixed results on the benefits of vitamin D supplementation on dementia and cognitive outcomes. Interpretation of the findings from these studies is hampered by several major methodological limitations, such as small sample sizes, inadequate doses and inclusion of participants unlikely to benefit from vitamin D supplementation. There is a need for large double-blind randomised-control trials investigating whether vitamin D supplementation can halt or delay the risk of dementia-related outcomes in individuals with low vitamin D concentrations. PMID- 29214282 TI - Error in Figure 3. PMID- 29214281 TI - Equivalence? Clarifications Required. PMID- 29214283 TI - Equivalence? Clarifications Required-Reply. PMID- 29214285 TI - Corrected MNI Coordinates in a Table and 2 Figures. PMID- 29214284 TI - Characteristics of Medical Liability Claims Against Dermatologists From 1991 Through 2015. AB - Importance: Recognizing malpractice trends in the field of dermatology is important for establishing safeguards for patient care and minimizing liability. However, there is a lack of published data on malpractice claims against dermatologists. Objective: To determine characteristics of medical professional liability claims in the field of dermatology and to compare these claims with those against all physicians. Design, Setting, and Participants: We examined malpractice liability data collected on dermatologists and other physicians insured by companies that report data to the Physician Insurers Association of America Data Sharing Project (PIAA-DSP), a nationally representative liability claims registry. Data analyzed spanned the years 1991 through 2015. Main Outcomes and Measures: Demographic characteristics of dermatologists subject to claims, characteristics of closed claims, medical errors associated with closed claims, and patient outcomes leading to closed claims. Results: Data on a total of 90 743 closed claims were analyzed, 1084 (1.2%) against dermatologists and 89 659 (98.8%) against nondermatologists. More lawsuits were brought against male (n = 753, 69.5%) than female dermatologists (n = 270, 24.9%); 5.6% of claims (n = 61) did not identify the physician's sex. Full-time practitioners (n = 1035, 95.5%) and those in solo practice (n = 600, 55.4%) were more likely to be sued than those in group practices (n = 429, 39.6%) and institutions (n = 31, 2.9%). Most claims against dermatologists were abandoned, withdrawn, or dismissed (n = 735, 67.8%). Between 2006 and 2015, trial verdicts favoring defendants exceeded trial verdicts favoring plaintiffs by a factor of 7. Errors that occurred during a procedure spawned the most claims (n = 305), of which 102 were paid. Misdiagnoses comprised the second-highest number of claims (n = 192), of which 62 were paid. The average recovery per claim was $238 145. The most common procedure leading to claims was skin operations (420 claims, of which 130 were paid). The most common adverse patient outcome associated with claims was dyschromia, resulting in 171 claims, of which 40 were paid. Conclusions and Relevance: Male dermatologists were sued more often than female dermatologists. Overall, alleged errors in procedures and misdiagnosis gave rise to the most lawsuits. Dyschromia was the most common adverse outcome alleged in lawsuits. PMID- 29214286 TI - Errors in Table 1. PMID- 29214287 TI - Optical Coherence Tomography Features of Dermatophytoma. PMID- 29214288 TI - Putting Psychosis Into Sociocultural Context: An International Study in 17 Locations. PMID- 29214290 TI - Association of Immunotherapy With Overall Survival in Elderly Patients With Melanoma. AB - Importance: Melanoma treatment has been revolutionized with the development of immune-based therapies that offer durable clinical responses in a subset of patients. Clinical outcomes after treatment by immunotherapy can be influenced by the host's immune system. The immune system is modified with age by age-related immune dysfunction. Objective: To evaluate if age influences clinical outcome and immune adverse events in patients treated by immunotherapy for metastatic melanoma. Design, Setting, and Participants: This was a single-center cohort analysis in patients treated with immunotherapy for metastatic melanoma between January 2007 and February 2016, in the Lyon Sud Hospital, France. A total of 92 patients with metastatic melanoma treated with ipilimumab, nivolumab, or pembrolizumab were retrospectively analyzed. Main Outcomes and Measures: Overall survival, progression-free survival, and immune-related adverse events were evaluated for each treatment line according to the patients' age. Results: A total of 92 patients were eligible and included in this study for a total of 120 lines of treatment. Fifty-four patients were included in the cohort that was 65 years or younger (24 [44%] were female; mean [SD] age, 48.1 [12.5] years), and 38 patients were included in the cohort that was older than 65 years (12 [34%] were female; mean [SD] age, 74.8 [6.9] years). Mean follow-up duration starting at treatment initiation was 12.5 months. Patients older than 65 years treated with immunotherapy had a better mean progression-free survival (4.8 vs 3.4 months; P = .04) and overall survival (not reached vs 10.1 months; P = .009) than younger patients in univariate analysis, and after adjusting on prognosis covariates. This was particularly true with patients treated with anti-programmed cell death protein 1. Common immune-related adverse effects were similar in both cohorts. Conclusions and Relevance: Age might be associated with a better clinical outcome after treatment with immunotherapy in the real-life setting. In our cohort, older patients did not have more immune-related adverse events. Further studies are warranted to confirm our results and describe the underlying mechanisms involved. PMID- 29214289 TI - Treated Incidence of Psychotic Disorders in the Multinational EU-GEI Study. AB - Importance: Psychotic disorders contribute significantly to the global disease burden, yet the latest international incidence study of psychotic disorders was conducted in the 1980s. Objectives: To estimate the incidence of psychotic disorders using comparable methods across 17 catchment areas in 6 countries and to examine the variance between catchment areas by putative environmental risk factors. Design, Setting, and Participants: An international multisite incidence study (the European Network of National Schizophrenia Networks Studying Gene Environment Interactions) was conducted from May 1, 2010, to April 1, 2015, among 2774 individuals from England (2 catchment areas), France (3 catchment areas), Italy (3 catchment areas), the Netherlands (2 catchment areas), Spain (6 catchment areas), and Brazil (1 catchment area) with a first episode of nonorganic psychotic disorders (International Statistical Classification of Diseases and Related Health Problems, Tenth Revision [ICD-10] codes F20-F33) confirmed by the Operational Criteria Checklist. Denominator populations were estimated using official national statistics. Exposures: Age, sex, and racial/ethnic minority status were treated as a priori confounders. Latitude, population density, percentage unemployment, owner-occupied housing, and single person households were treated as catchment area-level exposures. Main Outcomes and Measures: Incidence of nonorganic psychotic disorders (ICD-10 codes F20-F33), nonaffective psychoses (ICD-10 codes F20-F29), and affective psychoses (ICD-10 codes F30-F33) confirmed by the Operational Criteria Checklist. Results: A total of 2774 patients (1196 women and 1578 men; median age, 30.5 years [interquartile range, 23.0-41.0 years]) with incident cases of psychotic disorders were identified during 12.9 million person-years at risk (crude incidence, 21.4 per 100 000 person-years; 95% CI, 19.4-23.4 per 100 000 person-years). A total of 2183 patients (78.7%) had nonaffective psychotic disorders. After direct standardization for age, sex, and racial/ethnic minority status, an 8-fold variation was seen in the incidence of all psychotic disorders, from 6.0 (95% CI, 3.5-8.6) per 100 000 person-years in Santiago, Spain, to 46.1 (95% CI, 37.3-55.0) per 100 000 person-years in Paris, France. Rates were elevated in racial/ethnic minority groups (incidence rate ratio, 1.6; 95% CI, 1.5-1.7), were highest for men 18 to 24 years of age, and were lower in catchment areas with more owner occupied homes (incidence rate ratio, 0.8; 95% CI, 0.7-0.8). Similar patterns were observed for nonaffective psychoses; a lower incidence of affective psychoses was associated with higher area-level unemployment (incidence rate ratio, 0.3; 95% CI, 0.2-0.5). Conclusions and Relevance: This study confirmed marked heterogeneity in risk for psychotic disorders by person and place, including higher rates in younger men, racial/ethnic minorities, and areas characterized by a lower percentage of owner-occupied houses. PMID- 29214291 TI - Effects of International Electrocardiographic Interpretation Recommendations on African American Athletes. PMID- 29214292 TI - Occult Carbon Monoxide Poisoning-Reply. PMID- 29214293 TI - Elevated CK-MB With Normal Total Creatine Kinase Levels in Patients Undergoing Maintenance Hemodialysis-Reply. PMID- 29214298 TI - Improving Hairdressers' Knowledge and Self-efficacy to Detect Scalp and Neck Melanoma by Use of an Educational Video. PMID- 29214299 TI - Abdominal Handlebar Injury. PMID- 29214300 TI - The Reality of Long-term Follow-up of Bariatric/Metabolic Surgery Patients-A Conundrum. PMID- 29214301 TI - Practicing Safe Dermatology-Screening Out Liability. PMID- 29214304 TI - Timing of Continuous Renal Replacement Therapy. PMID- 29214305 TI - Cardiovascular Outcomes According to Urinary Albumin and Kidney Disease in Patients With Type 2 Diabetes at High Cardiovascular Risk: Observations From the SAVOR-TIMI 53 Trial. AB - Importance: An elevated level of urinary albumin to creatinine ratio (UACR) is a marker of renal dysfunction and predictor of kidney failure/death in patients with type 2 diabetes. The prognostic use of UACR in established cardiac biomarkers is not well described. Objective: To evaluate whether UACR offers incremental prognostic benefit beyond risk factors and established plasma cardiovascular biomarkers. Design, Setting, and Participants: The Saxagliptin Assessment of Vascular Outcomes Recorded in Patients With Diabetes Mellitus Thrombolysis in Myocardial Infarction (SAVOR-TIMI) 53 study was performed from May 2010 to May 2013 and evaluated the safety of saxagliptin vs placebo in patients with type 2 diabetes with overt cardiovascular disease or multiple risk factors. Median follow-up was 2.1 years (interquartile range, 1.8-2.3 years). Interventions: Patients were randomized to saxagliptin vs placebo plus standard care. Main Outcomes and Measures: Baseline UACR was measured in 15 760 patients (95.6% of the trial population) and categorized into thresholds. Results: Of 15 760 patients, 5205 were female (33.0%). The distribution of UARC categories were: 5805 patients (36.8%) less than 10 mg/g, 3891 patients (24.7%) at 10 to 30 mg/g, 4426 patients (28.1%) at 30 to 300 mg/g, and 1638 patients (10.4%) at more than 300 mg/g. When evaluated without cardiac biomarkers, there was a stepwise increase with each higher UACR category in the incidence of the primary composite end point (cardiovascular death, myocardial infarction, or ischemic stroke) (3.9%, 6.9%, 9.2%, and 14.3%); cardiovascular death (1.4%, 2.6%, 4.1%, and 6.9%); and hospitalization for heart failure (1.5%, 2.5%, 4.0%, and 8.3%) (adjusted P < .001 for trend). The net reclassification improvement at the event rate for each end point was 0.081 (95% CI, 0.025 to 0.161), 0.129 (95% CI, 0.029 to 0.202), and 0.056 (95% CI, -0.005 to 0.141), respectively. The stepwise increased cardiovascular risk associated with a UACR of more than 10 mg/g was also present within each chronic kidney disease category. The UACR was associated with outcomes after including cardiac biomarkers. However, the improvement in discrimination and reclassification was attenuated; net reclassification improvement at the event rate was 0.022 (95% CI, -0.022 to 0.067), -0.008 (-0.034 to 0.053), and 0.043 (-0.030 to 0.052) for the primary end point, cardiovascular death, and hospitalization for heart failure, respectively. Conclusions and Relevance: In patients with type 2 diabetes, UACR was independently associated with increased risk for a spectrum of adverse cardiovascular outcomes. However, the incremental cardiovascular prognostic value of UACR was minimal when evaluated together with contemporary cardiac biomarkers. Trial Registration: clinicaltrials.gov Identifier: NCT01107886. PMID- 29214306 TI - Seven-Year Weight Trajectories and Health Outcomes in the Longitudinal Assessment of Bariatric Surgery (LABS) Study. AB - Importance: More information is needed about the durability of weight loss and health improvements after bariatric surgical procedures. Objective: To examine long-term weight change and health status following Roux-en-Y gastric bypass (RYGB) and laparoscopic adjustable gastric banding (LAGB). Design, Setting, and Participants: The Longitudinal Assessment of Bariatric Surgery (LABS) study is a multicenter observational cohort study at 10 US hospitals in 6 geographically diverse clinical centers. Adults undergoing bariatric surgical procedures as part of clinical care between 2006 and 2009 were recruited and followed up until January 31, 2015. Participants completed presurgery, 6-month, and annual research assessments for up to 7 years. Main Outcome and Measures: Percentage of weight change from baseline, diabetes, dyslipidemia, and hypertension, determined by physical measures, laboratory testing, and medication use. Results: Of 2348 participants, 1738 underwent RYGB (74%) and 610 underwent LAGB (26%). For RYBG, the median age was 45 years (range, 19-75 years), the median body mass index (calculated as weight in kilograms divided by height in meters squared) was 47 (range, 34-81), 1389 participants (80%) were women, and 257 participants (15%) were nonwhite. For LAGB, the median age was 48 years (range, 18-78), the body mass index was 44 (range, 33-87), 465 participants (76%) were women, and 63 participants (10%) were nonwhite. Follow-up weights were obtained in 1300 of 1569 (83%) eligible for a year-7 visit. Seven years following RYGB, mean weight loss was 38.2 kg (95% CI, 36.9-39.5), or 28.4% (95% CI, 27.6-29.2) of baseline weight; between years 3 and 7 mean weight regain was 3.9% (95% CI, 3.4-4.4) of baseline weight. Seven years after LAGB, mean weight loss was 18.8 kg (95% CI, 16.3-21.3) or 14.9% (95% CI, 13.1-16.7), with 1.4% (95% CI, 0.4-2.4) regain. Six distinct weight change trajectory patterns for RYGB and 7 for LAGB were identified. Most participants followed trajectories in which weight regain from 3 to 7 years was small relative to year-3 weight loss, but patterns were variable. Compared with baseline, dyslipidemia prevalence was lower 7 years following both procedures; diabetes and hypertension prevalence were lower following RYGB only. Among those with diabetes at baseline (488 of 1723 with RYGB [28%]; 175 of 604 with LAGB [29%]), the proportion in remission at 1, 3, 5, and 7 years were 71.2% (95% CI, 67.0-75.4), 69.4% (95% CI, 65.0-73.8), 64.6% (95% CI, 60.0-69.2), and 60.2% (95% CI, 54.7-65.6), respectively, for RYGB and 30.7% (95% CI, 22.8-38.7), 29.3% (95% CI, 21.6-37.1), 29.2% (95% CI, 21.0-37.4), and 20.3% (95% CI, 9.7-30.9) for LAGB. The incidence of diabetes at all follow-up assessments was less than 1.5% for RYGB. Bariatric reoperations occurred in 14 RYGB and 160 LAGB participants. Conclusions and Relevance: Following bariatric surgery, different weight loss patterns were observed, but most participants maintained much of their weight loss with variable fluctuations over the long term. There was some decline in diabetes remission over time, but the incidence of new cases is low following RYGB. Trial Registration: clinicaltrials.gov Identifier: NCT00465829. PMID- 29214308 TI - Interpretation of the ATHENA Trial-Caveats and Future Directions. PMID- 29214307 TI - Single-Word Speech Intelligibility in Children and Adults With Down Syndrome. AB - Purpose: A single-word identification test was used to study speech production in children and adults with Down syndrome (DS) to determine the developmental pattern of speech intelligibility with an emphasis on vowels. Method: Speech recordings were collected from 62 participants with DS aged 4-40 years and 25 typically developing participants aged 4-7 years. Panels of 5 adult lay listeners transcribed the speech recordings orthographically, and their responses were scored in comparison with the speakers' target words. Results: Speech intelligibility in persons with DS improved with age, especially between the ages of 4 and 16 years. Whereas consonants contribute to intelligibility, vowels also played an important role in reduced intelligibility with an apparent developmental difference in low versus high vowels, where the vowels /ae/ and/alpha/ developed at a later age than /i/ and /u/. Interspeaker variability was large, with male individuals being generally less intelligible than female individuals and some adult men having very low intelligibility. Conclusion: Results show age-related patterns in speech intelligibility in persons with DS and identify the contribution of dimensions of vowel production to intelligibility. The methods used clarify the phonetic basis of reduced intelligibility, with implications for assessment and treatment. PMID- 29214309 TI - Emergency Department Opioid Misuse Diagnoses Increasing in Adolescents and Young Adults. PMID- 29214310 TI - Tear Levels of Insulin-Like Growth Factor Binding Protein 3 Correlate With Subbasal Nerve Plexus Changes in Patients With Type 2 Diabetes Mellitus. AB - Purpose: This study investigated the expression of insulin-like growth factor binding protein-3 (IGFBP-3) in basal tears of patients with type 2 diabetes mellitus compared to nondiabetic controls; and correlated tear levels of IGFBP-3 with morphologic changes in the subbasal nerve plexus and density of basal corneal epithelial cells. Methods: This was a single visit, cross-sectional study. Diabetic and control subjects were matched for age, sex, smoking status, and body mass index. Tear levels of IGFBP-3 were measured using ELISA. Corneal nerve and basal epithelial cell changes were measured using in vivo confocal microscopy. Results: Tear levels of IGFBP-3 were 3.5-fold higher in those with diabetes. Patients with diabetes also showed a reduction in nerve fiber layer, nerve branch density, and corneal basal epithelial cell density. There was no significant difference in corneal sensitivity. IGFBP-3 levels were highly correlated with nerve fiber length and branch density; while hemoglobin (Hb)A1c was only moderately correlated. There were no significant differences in the clinical or subjective signs of dry eye between groups, indicating that tear levels of IGFBP-3 and corneal nerve changes were not due to the presence of mild dry eye. Conclusions: These findings indicate that tear levels of IGFBP-3 are more tightly correlated to nerve fiber changes in diabetes than HbA1c. Future studies that stratify the severity of diabetic disease with tear levels of IGFBP 3 are needed to validate this finding. PMID- 29214311 TI - Fingolimod Suppresses a Cascade of Core Vicious Cycle in Dry Eye NOD Mouse Model: Involvement of Sphingosine-1-Phosphate Receptors in Infiltrating Leukocytes. AB - Purpose: The purpose of this study was to evaluate the inhibitory mechanism of fingolimod and the involvement of sphingosine-1-phosphate receptors (S1PRs) and cytokines-matrix metalloproteinases (MMPs)/MAP kinases (MAPKs) signaling in a dry eye disease (DED) mouse model. Methods: Sixty-four male NOD mice (DED model) and 16 age-matched BALB/c mice were used. In a preliminary experiment, 16 NOD mice were randomly divided into a positive control group and fingolimod-treated groups, with 8 BALB/c mice serving as wild-type control. In a subsequent, separate study, 48 NOD mice were randomly divided into 6 groups: fingolimod treated groups at three different concentrations (0.05%, 0.005%, and 0.001%), normal saline group, untreated group, and fingolimod+W146 group. Animals received normal saline or fingolimod eyedrops three times daily until euthanasia 2 months later. Mice in the fingolimod+W146 group received daily intraperitoneal injections of W146 (0.1 mg/kg/day). Proinflammatory mediators were assessed by a protein array. Activities of MMP-2 and MMP-9 were evaluated by zymography. MAPKs and S1PRs were examined by Western blots and immunohistochemistry. Infiltrating cells and inhibitory mechanisms were assessed. Results: In the positive control group, levels of inflammatory mediators and S1PRs were upregulated. By comparison, fingolimod treatment significantly suppressed such markers which were significantly reversed by W146 (P < 0.01). Importantly, by double immunofluorescence staining, leukocytes were confirmed involved in DED in the NOD mouse model. Conclusions: Leukocytes are involved in DED in the NOD mouse model. The therapeutic mechanisms of fingolimod may be associated with inhibitory roles of "cytokines-MMPs/MAPKs" cycle in NOD mouse ocular surface tissues by mediating S1PRs in infiltrating leukocytes. PMID- 29214312 TI - Transretinal ERG in Studying Mouse Rod Phototransduction: Comparison With Local ERG Across the Rod Outer Segments. AB - Purpose: Electroretinography (ERG) is the gold standard in clinical examinations of retinal function. Corneal ERG is widely used for diagnostics, but ERG components from the inner retina complicate quantitative investigations of the phototransduction cascade. Transretinal ERG (TERG) recorded ex vivo enables pharmacologic isolation of signals generated by photoreceptor cells, establishing an appealing electrophysiologic method for diverse studies of phototransduction. Pharmacologically isolated TERG, however, contains components arising in the photoreceptor inner segments. Here, we compared simultaneously recorded TERG and local ERG across the outer segment layer (LERG-OS) to determine how consistently TERG reflects changes in the rod outer segment current signaling. Methods: Recordings were made from dark-adapted, isolated C57BL/6J mouse retinas superfused with HEPES or bicarbonate buffered solution containing 2-mM aspartate or 20-MUM DL-2-amino-4-phosphonobutyric acid to block synaptic transmission, and 50-MUM BaCl2 to block the Muller cell component. TERG responses were recorded with macroelectrodes on both sides of the retina while responses across different retinal layers were recorded with microelectrodes. Results: The time-to-peak and the dominant time constant values were slightly smaller and the half-saturating stimulus was somewhat stronger in TERG compared with LERG-OS. No differences in light adaptation data were observed between the methods. LERG responses recorded across the whole photoreceptor layer were similar to those by TERG. Conclusions: TERG photoreceptor responses correspond well with the LERG-OS responses. The main differences are the nose component and slightly faster response kinetics observed by TERG. We conclude that TERG can be used for reliable quantitative investigation of phototransduction. PMID- 29214314 TI - Quantitative Fundus Autofluorescence in Pseudoxanthoma Elasticum. AB - Purpose: To quantify lipofuscin-associated fundus autofluorescence in patients with pseudoxanthoma elasticum (PXE), a model disease for Bruch's membrane pathology. Methods: In this prospective, monocenter, cross-sectional case-control study, 49 patients with PXE (mean age: 46 years, range 18-62) underwent quantitative fundus autofluorescence (qAF) imaging with a modified scanning laser ophthalmoscope containing an internal fluorescent reference for normalization of images. The mean qAF values of a circular ring centered on the fovea (qAF8) were measured and compared to 108 healthy controls (mean age 40 years, range 18-64). Results: Overall, patients with PXE showed lower qAF8 values compared to controls (difference from controls -23%, 95% confidence interval [CI] -29% to -16%, P < 0.001). The reduction was most pronounced in patients older than 40 years (-30%, 95% CI -36% to -23%, P < 0.001) and was negatively correlated with the extent of Bruch's membrane calcification (r = -0.49, 95% CI: -0.67 to -0.22). The topographic distribution revealed a greater reduction of qAF values toward the optic disc than temporally compared to controls (P < 0.001). The phenotype of patients with reduced qAF values was characterized by pattern-dystrophy-like changes (71%; 10 of 14), reticular pseudodrusen (71%; 10 of 14) and limited areas of atrophy (29%, 4 of 14). Conclusions: Reduced qAF8 values are a characteristic finding in patients with PXE, indicating that Bruch's membrane disease may result in a modification of the accumulation, distribution, or composition (or a combination thereof) of lipofuscin in retinal pigment epithelial cells. PMID- 29214315 TI - Will the FDA's New Tobacco Strategy Be a Game Changer? PMID- 29214313 TI - RNA-Sequencing Gene Expression Profiling of Orbital Adipose-Derived Stem Cell Population Implicate HOX Genes and WNT Signaling Dysregulation in the Pathogenesis of Thyroid-Associated Orbitopathy. AB - Purpose: The purpose of this study was to characterize the intrinsic cellular properties of orbital adipose-derived stem cells (OASC) from patients with thyroid-associated orbitopathy (TAO) and healthy controls. Methods: Orbital adipose tissue was collected from a total of nine patients: four controls and five patients with TAO. Isolated OASC were characterized with mesenchymal stem cell-specific markers. Orbital adipose-derived stem cells were differentiated into three lineages: chondrocytes, osteocytes, and adipocytes. Reverse transcription PCR of genes involved in the adipogenesis, chondrogenesis, and osteogenesis pathways were selected to assay the differentiation capacities. RNA sequencing analysis (RNA-seq) was performed and results were compared to assess for differences in gene expression between TAO and controls. Selected top-ranked results were confirmed by RT-PCR. Results: Orbital adipose-derived stem cells isolated from orbital fat expressed high levels of mesenchymal stem cell markers, but low levels of the pluripotent stem cell markers. Orbital adipose-derived stem cells isolated from TAO patients exhibited an increase in adipogenesis, and a decrease in chondrogenesis and osteogenesis. RNA-seq disclosed 54 differentially expressed genes. In TAO OASC, expression of early neural crest progenitor marker (WNT signaling, ZIC genes and MSX2) was lost. Meanwhile, ectopic expression of HOXB2 and HOXB3 was found in the OASC from TAO. Conclusion: Our results suggest that there are intrinsic genetic and cellular differences in the OASC populations derived from TAO patients. The upregulation in adipogenesis in OASC of TAO may be is consistent with the clinical phenotype. Downregulation of early neural crest markers and ectopic expression of HOXB2 and HOXB3 in TAO OASC demonstrate dysregulation of developmental and tissue patterning pathways. PMID- 29214316 TI - Association Between Hospital Financial Distress and Immediate Breast Reconstruction Surgery After Mastectomy Among Women With Ductal Carcinoma In Situ. AB - Importance: Hospital financial distress (HFD) is a state in which a hospital is at risk of closure because of its financial condition. Hospital financial distress may reduce the services a hospital can offer, particularly unprofitable ones. Few studies have assessed the association of HFD with quality of care. Objective: To examine the association between HFD and receipt of immediate breast reconstruction surgery after mastectomy among women diagnosed with ductal carcinoma in situ (DCIS). Design, Setting, and Participants: This retrospective cohort study assessed data from the Nationwide Inpatient Sample of 5760 women older than 18 years (mean [SD] age: 57.5 [13.2]) with DCIS who underwent mastectomy in 2008-2012 at hospitals categorized by financial distress. Women treated at 1156 hospitals located in 538 different counties across Arkansas, Arizona, California, Colorado, Connecticut, Florida, Iowa, Kentucky, Massachusetts, Maryland, Missouri, North Carolina, New Hampshire, New Jersey, Nevada, New York, Oregon, Pennsylvania, Rhode Island, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, and Wyoming were included. Of these, 2385 women (41.4%) underwent immediate breast reconstruction surgery. Women with invasive cancer were excluded. The database included unique hospital identification variables, and participants were identified using International Classification of Diseases, Ninth Revision, Clinical Modification codes. Data were analyzed from January 1, 2012, to February 28, 2014. Main Outcomes and Measures: The primary outcome was the adjusted association between HFD and receipt of immediate breast reconstruction surgery after mastectomy. Results: In this analysis of database information, 2385 of 5760 women (41.4%) received immediate breast reconstruction surgery. Of these, 693 (36.7%) were treated at a hospital under high HFD and received immediate breast reconstruction surgery compared with 863 (44.0%) treated at a hospital under low HFD (P < .001). Reconstruction surgery was associated with younger age, white race, private insurance, treatment at a teaching and cancer hospital, private hospital ownership, and the percentage of individuals in the county with insurance. After adjustment, women treated at hospitals under high HFD (OR, 0.79; 95% CI, 0.62 0.99) and medium HFD (OR, 0.76; 95% CI, 0.61-0.94) were significantly less likely to receive reconstruction than women treated at hospitals with low to no HFD. Conclusions and Relevance: The financial strength of the hospital where a patient receives treatment is associated with receipt of immediate breast reconstruction surgery. In addition to focusing on patient-related factors, efforts to improve quality should also focus on hospital-related factors. PMID- 29214317 TI - Connections Between Hospital Financial Distress, Physician Incentive, and Patient Access to Breast Reconstruction. PMID- 29214318 TI - Reduction in Opioid Prescribing Through Evidence-Based Prescribing Guidelines. PMID- 29214319 TI - Electrocardiographic Findings in National Basketball Association Athletes. AB - Importance: While it is known that long-term intensive athletic training is associated with cardiac structural changes that can be reflected on surface electrocardiograms (ECGs), there is a paucity of sport-specific ECG data. This study seeks to clarify the applicability of existing athlete ECG interpretation criteria to elite basketball players, an athlete group shown to develop significant athletic cardiac remodeling. Objective: To generate normative ECG data for National Basketball Association (NBA) athletes and to assess the accuracy of athlete ECG interpretation criteria in this population. Design, Setting, and Participants: The NBA has partnered with Columbia University Medical Center to annually perform a review of policy-mandated annual preseason ECGs and stress echocardiograms for all players and predraft participants. This observational study includes the preseason ECG examinations of NBA athletes who participated in the 2013-2014 and 2014-2015 seasons, plus all participants in the 2014 and 2015 NBA predraft combines. Examinations were performed from July 2013 to May 2015. Data analysis was performed between December 2015 and March 2017. Exposures: Active roster or draft status in the NBA and routine preseason ECGs and echocardiograms. Main Outcomes and Measures: Baseline quantitative ECG variables were measured and ECG data qualitatively analyzed using 3 existing, athlete-specific interpretation criteria: Seattle (2012), refined (2014), and international (2017). Abnormal ECG findings were compared with matched echocardiographic data. Results: Of 519 male athletes, 409 (78.8%) were African American, 96 (18.5%) were white, and the remaining 14 (2.7%) were of other races/ethnicities; 115 were predraft combine participants, and the remaining 404 were on active rosters of NBA teams. The mean (SD) age was 24.8 (4.3) years. Physiologic, training-related changes were present in 462 (89.0%) athletes in the study. Under Seattle criteria, 131 (25.2%) had abnormal findings, compared with 108 (20.8%) and 81 (15.6%) under refined and international criteria, respectively. Increased age and increased left ventricular relative wall thickness (RWT) on echocardiogram were highly associated with abnormal ECG classifications; 17 of 186 athletes (9.1%) in the youngest age group (age 18-22 years) had abnormal ECGs compared with 36 of the 159 athletes (22.6%) in the oldest age group (age 27-39 years) (odds ratio, 2.9; 95% CI, 1.6-5.4; P < .001). Abnormal T-wave inversions (TWI) were present in 32 athletes (6.2%), and this was associated with smaller left ventricular cavity size and increased RWT. One of the 172 athletes (0.6%) in the lowest RWT group (range, 0.24-0.35) had TWIs compared with 24 of the 163 athletes (14.7%) in the highest RWT group (range, 0.41-0.57) (odds ratio, 29.5; 95% CI, 3.9-221.0; P < .001). Conclusions and Relevance: Despite the improved specificity of the international recommendations over previous athlete-specific ECG criteria, abnormal ECG classification rates remain high in NBA athletes. The development of left ventricular concentric remodeling appears to have a significant influence on the prevalence of abnormal ECG classification and repolarization abnormalities in this athlete group. PMID- 29214320 TI - Suicide among agricultural, forestry, and fishery workers. AB - In their meta-analysis, Klingelschmidt and her associates (1) found that agricultural, forestry, and fishery workers are at 48% higher risk of suicide than the working-age population. Moreover, they found that the excess risk is even greater among Japanese agricultural workers than workers from other high income countries. There are several concerns regarding this meta-analysis. It appears that the excess risk has been overestimated for these workers. Furthermore, the excess risk in Japan is not different than other high-income countries. First, in a systematic review, a literature search is comprehensive. A search of a single database is unlikely to identify most of relevant studies, and these types of reviews are not therefore considered as systematic reviews (2). In this review, a specialized database (-PsycINFO) or a European database (EMBASE or -Scopus) was not searched. Second, following the PRISMA guidelines, the critical appraisal of included studies (quality assessment) is a requirement for a systematic review. In a meta-analysis of observational studies, selection bias and confounding should be ruled out. Third, the reviewers did not correctly extract confidence intervals (CI) for the estimates of several studies such as Hassler 2004, Fleming 1999, and Fragar 2011. Moreover, some studies reported both the least- and maximally adjusted risk estimates. The reviewers, however, extracted age- or the least-adjusted risk estimate. A confounder-adjusted estimate is a more appropriate estimate of the true association. In some studies [eg, Kposowa (3) Agerbo (4)], the excess risk dropped by 52-71% after adjustment for confounders. As a sensitivity analysis, the reviewers could limit their meta analysis to a subgroup of studies controlled for confounders. Fourth, the reviewers did not estimate an overall risk estimate for each study. They included the estimates of 2-6 subgroups for 22 studies in forest and funnel plots. A fixed effect meta-analysis is a more appropriate model to combine the subgroups of a single study. Moreover, for the assessment of publication bias, it is not appropriate to include several subsamples of a single study in a funnel plot. Using estimates of subgroups can change a large study into several smaller studies. Fifth, some of the included studies compared agricultural, forestry, and fishery workers with a specific occupational group. The reviewers could calculate a risk estimate using all other occupational groups as a comparison group and exclude those studies that did not provide sufficient data for estimating such a risk estimate. In some studies, the excess risk for agricultural, forestry, and fishery workers disappears after comparing with other occupational groups [eg, adjusted risk ratios (RR) for Kposowa (3) = 1.02, 95% CI 0.41-2.54]. This is a main reason for observed higher excess risk in Japanese workers. Wada et al (5) compared Japanese agricultural workers with sales workers and Suzuki et al (6) compared Japanese agricultural, forestry, and fishery workers with production process and related workers. Using all other occupational groups as a reference group, age-adjusted RR dropped from 3.53 (95% CI 2.84-4.38) to 2.61 (95% CI 2.10 3.25) for Wada et al (5) and from 3.24 (CI 2.95-3.57, both sexes combined) to 1.31 (CI 1.27-1.35 age-adjusted OR after excluding unemployed people) for Suzuki et al (6). The pooled estimate of these two register-based studies was 1.33 (95% CI 1.29-1.37) using a fixed model and 1.83 (95% CI 0.93-3.60) using a random model. Sixth, most of the included studies used register data, which had little information on the background characteristics of the participants. A majority of these studies controlled the estimates for age and sex only. Moreover, in this review, prospective cohort studies did not support the observed association. A meta-analysis of 11 case-control and prospective cohort studies shows no significant excess risk of suicide for agricultural, forestry, and fishery workers (pooled estimate = 1.02, 95% CI 0.71-1.47 for 6 cohort studies and 1.13, 95% CI 0.92-1.39, I2 = 91% for 11 case control and cohort studies, combining maximally adjusted risk estimates and comparing agricultural, forestry, and fishery workers with all other occupational groups where possible). The excess risk found in this review (1) can thus largely be due to confounding. References 1. Klingelschmidt J, Milner A, Khireddine-Medouni I, Witt K, Alexopoulos EC, Toivanen S, LaMontagne AD, Chastang JF, Niedhammer I. Suicide among agricultural, forestry, and fishery workers: a systematic literature review and meta-analysis. Scand J Work Environ Health. 2018;44(1):3-15. https://doi.org/10.5271/sjweh.3682. 2. Puljak L. If there is only one author or only one database was searched, a study should not be called a systematic review. J Clin Epidemiol. 2017;91:4-5. https://doi.org/10.1016/j.jclinepi.2017.08.002. 3. Kposowa AJ. Suicide mortality in the United States: differentials by industrial and occupational groups. Am J Ind Med. 1999;36:645-52. https://doi.org/10.1002/(SICI)1097 0274(199912)36:63.0.CO;2-T. 4. Agerbo E, Gunnell D, Bonde JP, Mortensen PB, Nordentoft M. Suicide and occupation: the impact of socio-economic, demographic and psychiatric differences. Psychol Med. 2007;37:1131-40. https://doi.org/10.1017/S0033291707000487. 5. Wada K, Gilmour S. Inequality in mortality by occupation related to economic crisis from 1980 to 2010 among working-age Japanese males. Sci Rep. 2016;6:22255. https://doi.org/10.1038/srep22255. 6. Suzuki E, Kashima S, Kawachi I, Subramanian SV. Social and geographical inequalities in suicide in Japan from 1975 through 2005: a census-based longitudinal analysis. PLoS One. 2013;8:e63443. https://doi.org/10.1371/journal.pone.0063443. PMID- 29214321 TI - Hemithyroidectomy for low-risk follicular carcinoma of the thyroid: results from a regional hospital. AB - INTRODUCTION: Excellent outcomes after conservative thyroid surgery for low-risk follicular thyroid carcinoma (FTC) have been reported from highly specialised centres. However, it is uncertain whether low-volume hospitals can achieve similar treatment results. METHODS: At our institution, 49 patients with FTC were treated during the period 1991-2014. Patients with minimally invasive FTC (MIFTC) were usually treated with hemithyroidectomy. The demographic data, pathology, treatment modality and oncological outcomes of these patients were retrospectively evaluated. RESULTS: The tumours were classified as Stage I in 40.8% of patients, Stage II in 32.7%, Stage III in 20.4% and Stage IV in 6.1%, according to the TNM classification system. Only 4 (8.2%) patients had widely invasive FTC (WIFTC). Vascular invasion or capsular invasion alone occurred in 9 (19.1%) and 19 (40.4%) patients, respectively, while 19 (40.4%) patients had simultaneous vascular and capsular invasions. 34 (69.4%) patients with MIFTC initially underwent hemithyroidectomy, while 15 (30.6%) patients underwent total thyroidectomy. Ten patients who underwent total thyroidectomy received radioactive iodine ablation. The mean follow-up duration was 86.9 +/- 56.6 months. There was no disease-specific mortality, although two patients with WIFTC remained alive with disease at the end of the study. The five-, ten- and 15-year overall survival rates were 95%, 91% and 84%, respectively. Five patients from the hemithyroidectomy group died due to other illnesses with no evidence of FTC. CONCLUSION: Satisfactory disease control and excellent survival for MIFTC is achievable by hemithyroidectomy in community hospitals. Total thyroidectomy should be reserved for WIFTC or aggressive tumours with nodal or distant metastasis. PMID- 29214322 TI - Road traffic accidents in children: the 'what', 'how' and 'why'. AB - INTRODUCTION: Road traffic accidents (RTAs) in Singapore involving children were evaluated, with particular focus on the epidemiology, surrounding circumstances and outcomes of these accidents. Key factors associated with worse prognosis were identified. We proposed some measures that may be implemented to reduce the frequency and severity of such accidents. METHODS: This was a retrospective study of RTAs involving children aged 0-16 years who presented to the Children's Emergency at KK Women's and Children's Hospital, Singapore, from January 2011 to June 2014. Data was obtained from the National Trauma Registry and analysed in tiers based on the Injury Severity Score (ISS). RESULTS: A total of 1,243 accidents were reviewed. RTA victims included motor vehicle passengers (60.4%), pedestrians (28.5%), cyclists (9.9%) and motorcycle pillion riders (1.2%). The disposition of emergency department (ED) patients was consistent with RTA severity. For serious RTAs, pedestrians accounted for 63.6% and 57.7% of Tier 1 (ISS > 15) and Tier 2 (ISS 9-15) presentations, respectively. Overall use of restraints was worryingly low (36.7%). Not restraining increased the risk of serious RTAs by 8.4 times. Young age, high ISS and low Glasgow Coma Scale score predicted a longer duration of intensive care unit stay. CONCLUSION: The importance of restraints for motor vehicle passengers or helmets for motorcycle pillion riders and cyclists in reducing morbidity requires emphasis. Suggestions for future prevention and intervention include road safety education, regulation of protective restraints, use of speed enforcement devices and creation of transport policies that minimise kerbside parking. PMID- 29214323 TI - Economic value of using partially hydrolysed infant formula for risk reduction of atopic dermatitis in high-risk, not exclusively breastfed infants in Singapore. AB - INTRODUCTION: Previous trials have demonstrated reductions in atopic dermatitis (AD) incidence when healthy, high-risk, non-exclusively breastfed infants were fed until four months of age with 100% whey-based partially hydrolysed formula (PHF-W) versus standard cow's milk formula (CMF). We assessed the cost effectiveness of this intervention in Singapore. METHODS: Modelling techniques were used to simulate, from birth to Month 30, the incidence and clinical/economic burden of AD in high-risk, non-exclusively breastfed infants fed with PHF-W or CMF for up to four months. Epidemiologic and clinical data were from a local comparative trial. Expert opinion informed AD treatment patterns and outcomes. Outcomes included reduction in AD risk, time spent with AD, days without AD flare, quality-adjusted life years (QALYs) and direct/indirect costs. Multivariate probabilistic sensitivity analysis was used to assess model parameter uncertainty. RESULTS: Over 30 months, with the use of PHF-W instead of CMF, the proportion of children who developed AD and the time spent with AD decreased by 16.0% (28.3% vs. 44.3%) and 6.4 months, respectively, while time without AD flare and QALYs increased by 14.9 days and 0.021 QALYs per patient, respectively. Estimated AD-related discounted costs per child for PHF-W and CMF were SGD 771 and SGD 1,309, respectively (net savings: SGD 538). PHF-W was less expensive and more effective than CMF for 73%, and cost less than SGD 50,000 per QALY for 87% of all multivariate simulations. CONCLUSION: Early short-term nutritional intervention with PHF-W instead of CMF may reduce AD incidence and costs for healthy, high-risk, non-exclusively breastfed infants in Singapore. PMID- 29214324 TI - [Benefits of medical emergency teams : Mortality on normal wards and readmission to intensive care wards]. AB - Medical emergency teams (MET) were implemented in many hospitals worldwide in order to identify patients at risk on normal wards and to initiate diagnostics and therapy without delay. Ideally, the implementation leads to prevention of cardiac arrests and unexpected deaths on normal wards, reduced rates of admissions to intensive care units and hospital mortality. Various track and trigger systems are available to identify such patients and for them to be assessed and treated within 30-45 min by the MET. The ideal personnel composition of METs has not yet been established. Whether the implementation of an MET generally leads to an improvement of treatment on normal wards or to a reduction in mortality in hospitals has not been finally clarified. Mortality and morbitidy (M&M) conferences can help to analyze if an individual clinic is likely to profit from the introduction of a MET. PMID- 29214325 TI - Anterior colporrhaphy: a standard operation? Systematic review of the technical aspects of a common procedure in randomized controlled trials. AB - INTRODUCTION: Anterior colporrhaphy (AC) is considered a standard procedure and is performed all over the world. However, not a single step of the procedure has ever been truly standardized and the rates of failure show a wide range in the literature from 0% up to 92%. The aim of this systematic review was to evaluate the differences in technique and procedure worldwide. METHODS: We performed a systematic literature search up to March 2016 using the MeSH terms "(anterior AND (colporrhaph* or colporhaph* or repair* or cystocel*)" using Preferred Reporting Items for Sytematic Reviews and Meta-Analyses (PRISMA). Only randomized controlled trials (RCT) were included in the systematic review. A 14-point checklist was used to assess the quality of surgery undertaken in each RCT. RESULTS: Forty RCTs from all over the world were included in the review. The indication for AC was urinary incontinence and/or pelvic organ prolapse. A detailed description of colporrhaphy was not provided even in the well-conducted RCTs. The review showed differences in each step of the procedure, in perioperative care, in anesthesia and in surgeon' experience. CONCLUSION: Our results highlight the problems concerning AC with the great range in postoperative outcomes. There is diversity in the anatomical structures used in the repair, in perioperative care and in the procedure itself. PMID- 29214327 TI - [Current techniques for shaping the nasal dorsum]. PMID- 29214326 TI - Increased Solubility and Bioavailability of Hydroxy-Cr(III) Precipitates in the Presence of Hydroxamate Siderophores. AB - Siderophores are a diverse group of low molecular weight biogenic metallophores with a particular affinity for Fe(III) but they also have potential to complex a number of other polyvalent metal cations, including Cr(III). Here we show that two hydroxamate siderophores, desferrioxamine B and rhodotorulic acid, at environmentally relevant concentrations, facilitate the dissolution of hydroxy Cr(III) precipitates from a common layer silicate. Desferrioxamine B and rhodotorulic acid induced maximum initial Cr dissolution rates of 11.3 +/- 1.7 * 10- 4 and 9.03 +/- 0.68 * 10- 4 umol m- 2 h- 1, respectively, yielding maximum solution Cr concentrations of 0.26 +/- 0.01 and 0.20 +/- 0.02 umol m- 2, respectively. These data demonstrate that hydroxamate siderophores may play an important role increasing the dispersal of Cr in natural environments, thus facilitating greater bioavailability of this potential toxin. PMID- 29214328 TI - 5-Azacytidine treatment and TaPBF-D over-expression increases glutenin accumulation within the wheat grain by hypomethylating the Glu-1 promoters. AB - KEY MESSAGE: 5-azaC treatment and TaPBF - D over-expression decrease C methylation status of three Glu - 1 gene promoters, and aid in enhancing the expression of the Glu - 1 genes. The wheat glutenins exert a strong influence over dough elasticity, but the regulation of their encoding genes has not been firmly established. Following treatment with 5-azacytidine (5-azaC), both the weight and glutenin content of the developing and mature grains were significantly increased. The abundance of transcript produced by the Glu-1 genes (encoding high-molecular-weight glutenin subunits), as well as those encoding demethylases and transcriptional factors associated with prolamin synthesis was higher than in grain of non-treated plants. These grains also contained an enhanced content of the prolamin box binding factor (PBF) protein. Bisulfite sequencing indicated that the Glu-1 promoters were less strongly C-methylated in the developing grain than in the flag leaf, while in the developing grain of 5 azaC treated plants, the C-methylation level was lower than in equivalent grains of non-treated plants. Both Glu-1 transcript abundance and glutenin content were higher in the grain set by three independent over-expressors of the D genome homoeolog of TaPBF than in the grain set by wild type plants. When assessed 10 days after flowering, the Glu-1 promoters' methylation level was lower in the developing grains set by the TaPBF-D over-expressor than in the wild type control. An electrophoretic mobility shift assay showed that PBF-D was able to bind in vitro to the P-box of Glu-1By8 and -1Dx2, while a ChIP-qPCR analysis revealed that a lower level of C-methylation in the Glu-1By8 and -1Dx2 promoters improved the TaPBF binding. We suggest that promoter DNA C-methylation is a key determinant of Glu-1 transcription. PMID- 29214329 TI - Time to surgery after hip fracture across Canada by timing of admission. AB - : The extent of Canadian provincial variation in hip fracture surgical timing is unclear. Provinces performed a similar proportion of surgeries within three inpatient days after adjustment. Time to surgery varied by timing of admission across provinces. This may reflect different approaches to providing access to hip fracture surgery. INTRODUCTION: The aim of this study was to compare whether time to surgery after hip fracture varies across Canadian provinces for surgically fit patients and their subgroups defined by timing of admission. METHODS: We retrieved hospitalization records for 140,235 patients 65 years and older, treated surgically for hip fracture between 2004 and 2012 in Canada (excluding Quebec). We studied the proportion of surgeries on admission day and within 3 inpatient days, and times required for 33%, 66%, and 90% of surgeries across provinces and by subgroups defined by timing of admission. Differences were adjusted for patient, injury, and care characteristics. RESULTS: Overall, provinces performed similar proportions of surgeries within the recommended three inpatient days, with all provinces requiring one additional day to perform the recommended 90% of surgeries. Prince Edward Island performed 7.0% more surgeries on admission day than Ontario irrespective of timing of admission (difference = 7.0; 95% CI 4.0, 9.9). The proportion of surgeries on admission day was 6.3% lower in Manitoba (difference = - 6.3; 95% CI - 12.1, - 0.6), and 7.7% lower in Saskatchewan (difference = - 7.7; 95% CI - 12.7, - 2.8) compared to Ontario. These differences persisted for late weekday and weekend admissions. The time required for 33%, 66%, and 90% of surgeries ranged from 1 to 2, 2-3, and 3-4 days, respectively, across provinces by timing of admission. CONCLUSIONS: Provinces performed similarly with respect to recommended time for hip fracture surgery. The proportion of surgeries on admission day, and time required to complete 33% and 66% of surgeries, varied across provinces and by timing of admission. This may reflect different provincial approaches to providing access to hip fracture surgery. PMID- 29214331 TI - [Imaging of muscular diseases]. PMID- 29214330 TI - Oxidative Stress in Kidney Diseases: The Cause or the Consequence? AB - Exaggerated oxidative stress (OS) is usually considered as a disturbance in regular function of an organism. The excessive levels of OS mediators may lead to major damage within the organism's cells and tissues. Therefore, the OS associated biomarkers may be considered as new diagnostic tools of various diseases. In nephrology, researchers are looking for alternative methods replacing the renal biopsy in patients with suspicion of chronic kidney disease (CKD). Currently, CKD is a frequent health problem in world population, which can lead to progressive loss of kidney function and eventually to end-stage renal disease. The course of CKD depends on the primary disease. It is assumed that one of the factors influencing the course of CKD might be OS. In the current work, we review whether monitoring the OS-associated biomarkers in nephrology patients can support the decision-making process regarding diagnosis, prognostication and treatment initiation. PMID- 29214334 TI - Using Four-Layer Sculpted Rib Cartilage Framework to Increase Transverse Height of the Reconstructive Ear in One Operative Stage for Microtia Patients. AB - PURPOSE: This case study improves an operative method of ear reconstruction for microtia patients by using a four-layer rib cartilage framework to increase transverse height of the reconstructive ear to a natural level in one operative stage. MATERIALS AND METHODS: The procedures of ear reconstruction were conducted from February 2014 to May 2016. The ear framework used in the procedures was fabricated from autologous rib cartilage into a four-layer spliced sculpture. Totally 23 patients with unilateral microtia were willing to be enrolled in this study. RESULTS: After the operation, 23 patients achieved 2.3-2.8 cm transverse height of reconstructed ears, which was basically the same as the normal side. Both patients and their families felt satisfied with the results. Follow-up was performed at 6-16 months after the procedures. Only one case showed significantly lowered transverse height of the reconstructed ear, compared to the normal one. It was due to the sleeping position of the patient (10-year-old boy), which put the reconstructed ear under pressure and reduced the transverse height of the ear. CONCLUSIONS: The method of four-layer sculpted autologous rib cartilage ear reconstruction has good clinical effect. It can provide a reconstructed ear that reaches normal transverse height and avoids a third operation to increase the transverse height by rib cartilage transplantation. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29214333 TI - Primary cardiac tumors associated with genetic syndromes: a comprehensive review. AB - Various cardiac tumors occur in the setting of a genetic syndrome such as myxomas in Carney complex and rhabdomyomas in tuberous sclerosis. Tumor biology can be different in syndromic forms, and on imaging children sometimes demonstrate additional manifestations of the underlying syndrome. We discuss the imaging appearance of cardiac tumors occurring in the framework of a genetic syndrome, the findings that suggest an underlying syndrome, and the impact on management. PMID- 29214335 TI - Commentary: Mastopexy on Reconstructed Breast Following Massive Weight Loss: An Innovative Technique Using Dermo-Capsular Flaps. PMID- 29214336 TI - The Efficacy and Safety of Early Postoperative Botulinum Toxin A Injection for Facial Scars. AB - BACKGROUND: Scars widen when the underlying musculature pulls apart suture lines, and scars oriented against relaxed skin tension lines are especially susceptible to these distraction forces. Because botulinum toxin A (BTA) induces complete muscle paralysis, the purpose of the current study was to evaluate the effects of BTA using both observer-dependent qualitative assessments and quantitative measurements to verify its beneficial effects on facial scarring. METHODS: Patients with vertical forehead lacerations, treated by primary closure, were randomly assigned to two groups: one (n = 15) received BTA injections within 5 days of primary closure and the other (n = 15) received no further treatment. Vancouver scar scale (VSS) scores and wound width were determined at the 1-month and 6-month follow-up visits. Quantitative color differences between the scar and surrounding normal skin, using the Commission International d'Eclairage L*a*b* color coordinates, were measured and compared by analyzing photographs. RESULT: Improved VSS scores, less increase in wound width, and less scar discoloration were noted among patients treated with BTA injections compared with the control group. These differences were observed at the 6-month visit, but not at the 1 month visit. CONCLUSION: BTA injection improves scar quality when injected during the early postoperative days. LEVEL OF EVIDENCE I: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29214338 TI - ? PMID- 29214337 TI - Sleep-disordered breathing in patients with sickle cell disease. AB - Sickle cell disease is one of the most common hereditary hemoglobinopathies worldwide, and its vaso-occlusive and hemolytic crises cause considerable patient morbidity. A growing body of evidence has shown that sleep-disordered breathing, and in particular, obstructive sleep apnea, occurs at high frequency in the sickle cell population, and that there is significant overlap in the underlying pathophysiology of these two conditions. Through a variety of mechanisms including nocturnal hypoxemia and increased oxidative stress, production of pro inflammatory cytokines, and endothelial dysfunction, sickle cell anemia and sleep disordered breathing potentiate each other's clinical effects and end-organ complications. Here, we will review the shared pathophysiologic mechanisms of these conditions and discuss their clinical sequelae. We will also examine the results of studies that have been carried out with clinical intervention of nocturnal hypoxemia in patients with sickle cell disease in the attempts to overcome the complications of the disease. Finally, we will propose the areas of investigation that merit further investigations in future in patients with sickle cell disease and sleep-disordered breathing. PMID- 29214339 TI - Genes involved in Beauveria bassiana infection to Galleria mellonella. AB - The ascomycete fungus Beauveria bassiana is a natural pathogen of hundreds of insect species and is commercially produced as an environmentally friendly mycoinsecticide. Many genes involved in fungal insecticide infection have been identified but few have been further explored. In this study, we constructed three transcriptomes of B. bassiana at 24, 48 and 72 h post infection of insect pests (BbI) or control (BbC). There were 3148, 3613 and 4922 genes differentially expressed at 24, 48 and 72 h post BbI/BbC infection, respectively. A large number of genes and pathways involved in infection were identified. To further analyze those genes, expression patterns across different infection stages (0, 12, 24, 36, 48, 60, 72 and 84 h) were studied using quantitative RT-PCR. This analysis showed that the infection-related genes could be divided into four patterns: highly expressed throughout the whole infection process (thioredoxin 1); highly expressed during early stages of infection but lowly expressed after the insect death (adhesin protein Mad1); lowly expressed during early infection but highly expressed after insect death (cation transporter, OpS13); or lowly expressed across the entire infection process (catalase protein). The data provide novel insights into the insect-pathogen interaction and help to uncover the molecular mechanisms involved in fungal infection of insect pests. PMID- 29214340 TI - Management and outcomes of treating pediatric medulloblastoma: an eight years' experience in an Iranian pediatric center. AB - PURPOSE: The clinical management of pediatric medulloblastoma requires a multidisciplinary approach, which can be challenging, especially in low- and middle-income countries. The aim of this study was to identify current challenges and describe the treatment and outcomes of Iranian pediatric patients with medulloblastoma who were referred to our center in Tehran, Iran. METHODS: Our retrospective review included 126 patient records from April 2007 to May 2015. The records were analyzed for epidemiologic features, treatment modalities, overall survival, and progression-free survival. Data were analyzed using SPSS 22.0 software. RESULTS: Median age at diagnosis was 6 years (male:female ratio, 2.3:1). At the time of diagnosis, 7 patients were 2 years or younger, and 76 (60.3%) were categorized as having high-risk disease. Overall, 100 patients had gross or near-total surgical resection. Cerebral spinal fluid involvement was detected in 22.2% of the patients tested, and spinal involvement was detected in 25% of the patients who underwent spinal MRI. Metastasis stages at the time of diagnosis were as follows: M0: 48.4% patients, M1: 16.7%, M2: 5.5%, and M3: 21.4%. Median times of follow-up and progression-free survival were 16 and 12 months, respectively. Probability of 7-year overall survival and progression-free survival were 59 and 53.8%, respectively. CONCLUSIONS: Results of the current retrospective study emphasize the need for implementing measures to improve outcome for our patients with medulloblastoma. Such measures include a multidisciplinary approach, unified national treatment guidelines, better disease and metastasis staging, twinning initiatives, and seeking a second opinion when needed. PMID- 29214341 TI - Sternocostal slipping rib syndrome. AB - PURPOSE: Classical slipping rib syndrome (SRS) can be subclassified based on anatomical location. We describe our experience with three patients suffering from symptomatic sternocostal slipping rib syndrome (SCSRS), a much less common variant of SRS. METHODS: This was a retrospective review of patients with SRS from 1988 to 2016. Described is our experience. RESULTS: Of 44 patients identified with SRS, three patients underwent operations for SCSRS variant. All three had significant pain and point tenderness at the sternocostal junction, and all experienced a popping sensation localized to this area. The mean age at onset was 14.3 years and mean time to diagnosis was 1.3 years. All patients experienced total resolution of symptoms following localized excision of the offending cartilage. CONCLUSIONS: A high index of suspicion based on history and physical examination are key to the early diagnosis of SCSRS. Excision of the symptomatic cartilage is effective for treatment. PMID- 29214342 TI - Editorial. PMID- 29214343 TI - Correction to: Surgical and oncological outcomes after complete mesocolic excision in right-sided colon cancer compared with conventional surgery: a retrospective, single-institution study. AB - The publisher regrets that some errors were introduced during the production process. The errors are now presented correctly in this article. PMID- 29214344 TI - [OCT-Angiography in diabetic maculopathy : Comparison between microaneurysms and the foveal avascular zone with flourescein angiography]. AB - BACKGROUND: Optical coherence tomography angiography allows an exact visualization of retinal vascular changes. To interpret the possibilities and limitations using OCTA in clinical practice, we analysed the quality of OCTA findings concerning the evaluability. Furthermore, we correlated our OCTA findings with fluorescein angiography (FAG) in relation of the presence of microaneurysms (MA) and enlargement of the foveal avascular zone (FAZ) in diabetic maculopathy. PATIENTS AND METHODS: 30 eyes from 15 patients with diabetic maculopathy were imaged in 3 * 3mm volume scans and were depicted in OCTA mode (SSADA algorithm). By using the automatic segmentation we analysed the vascular changes in the superficial and deep capillary plexus and classified them concerning their qualitative evaluability. We analysed the number of MA in OCTA and fluorescein angiography and correlated them using an overlay technique. We analysed the presence of MA in the superficial and deep capillary plexus in OCTA as well. Furthermore we measured the enlargement of the foveal zone with both methods. RESULTS: In a large number of eyes we could not identifiy MA or measure the enlargement of the FAZ because of poor OCTA or FA quality. In the morphological analysis of our findings we identified a comparable number of MA in both methods, although the localization of the MA was different in both methods in a large number of eyes. The majority of MA was located in the deep capillary plexus. The extension of the foveal avascular zone measured in FA revealed a good correlation to the automatically measured "nonflow area" in the OCTA. CONCLUSION: OCTA allows a good visualization of characteristic vascular changes in diabetic maculopathy. In spite of technical limitations OCTA generates a three-dimensional visualisation of avascular changes. The majority of microaneurysms detected by OCTA showed a corresponding finding in FA. The central avascular zone (FAZ) in OCTA correlates well with the findings from FA. OCTA represents an important additional diagnostic tool to interpret vascular changes in DM. PMID- 29214345 TI - An investigation of the independent risk factors that differentiate gout from pseudogout in patients with crystal-induced acute arthritis: a cross-sectional study. AB - OBJECTIVES: To identify independent risk factors that differentiate gout from pseudogout in patients that present with crystal-induced acute arthritis. METHODS: This cross-sectional study was conducted at Siriraj Hospital (Bangkok, Thailand) during the 25 May 2014-28 November 2014 study period. Patients who presented with crystal-induced acute arthritis were eligible for inclusion. Diagnosis of gout or pseudogout was made by microscopic visualization and analysis of crystals in synovial fluid. Patients with other causes of acute arthritis were excluded. Patients diagnosed with gout were compared with patients diagnosed with pseudogout and factors with a p value less than 0.05 were included in logistic regression analysis. RESULTS: A total of 103 patients were included. Gout and pseudogout were established in 59 (56.7%) and 44 (42.3%) patients, respectively. Gout patients were younger than pseudogout patients (66.9 +/- 14.5 vs. 78.9 +/- 12.0 years; p = 0.0001); had higher BMI (22.9 +/- 2.5 vs. 21.0 +/- 2.5 kg/m2; p = 0.001); had history of recurrent arthritis (91.5 vs. 9.1%; p = 0.001); had higher prevalence of below-knee arthritis (66.1 vs. 31.8%; p = 0.001); had less periarticular soft tissue swelling (57.6 vs. 81.8%; p = 0.01); and had hyperuricemia (8.0 +/- 2.5 vs. 5.6 +/- 2.7; p = 0.001). In adjusted multivariate analysis, hyperuricemia during acute arthritis/gouty attack characterized gout (OR 2.08, 95% CI 1.2-3.6), while monoarticular attack (OR 4.12, 95% CI 1.3-13.0) and periarticular soft tissue swelling (OR 4.03, 95% CI 1.1-14.9) were indications for pseudogout. CONCLUSIONS: The independent risk factors were found to differentiate gout from pseudogout: Gout: hyperuricemia during gouty attack; Pseudogout: monoarticular attack and periarticular soft tissue swelling. PMID- 29214346 TI - Comparative genomics reveals the presence of putative toxin-antitoxin system in Wolbachia genomes. AB - Multiple toxin-antitoxin (TA) systems are housed in different locations within the bacterial genome and are known to be associated with various cellular processes and stress-related adaptation. In endosymbionts, although, the TA system has scarce occurrence but studies have highlighted its presence in enhancing host-symbiont interactions. Wolbachia, an obligate endosymbiont, has recently been proposed as a biocontrol agent which may be helpful in controlling vector-borne diseases. There are reports suggesting the role of TA system in inducing cytoplasmic incompatibility in case of Wolbachia, however, the underlying mechanism is still not known. The present study, therefore, aims at exploring the diversity of TA system in four novel (sourced from India) and three reference genomes (NCBI) of Wolbachia strains. Interestingly, we found several putative toxins and antitoxins of RelEB family of Type II TA system in these Wolbachia genomes. The results show wMel genome possessed more number of putative TA loci than wRi genome. In addition, searching through the other sequenced Wolbachia genomes in NCBI, a complete absence of TA system was observed in Wolbachia-infected nematodes. The sequence-wide analysis of all the putative RelEB proteins present amongst the Wolbachia endosymbiont and within the free living bacterial genomes reveal strain-specific similarities and conserved sequences. However, large amount of sequence diversity was observed between Wolbachia and free-living bacteria. Understanding this sequence variation may help shed light on the differences between these two forms of bacteria and could also explain their niche preferences. PMID- 29214347 TI - Partial phenotype conversion and differential trait response to conditions of husbandry in mice. AB - Functional genome analysis usually is performed on the level of genotype phenotype interaction. However, phenotypes also depend on the relations between genomes and environment. In our experimental system, we observed differential response to environmental factors defined by different conditions of husbandry in a semi-barrier unit or in a SPF (specific pathogen free) barrier unit, which resulted in partial reversal of phenotypes previously observed under semi-barrier conditions. To provide an update of basic phenotypes in unselected and randomly mated controls (DUC) and long-term selected DUhTP (Dummerstorf high treadmill performance) mice in the SPF facility, we compared growth parameters, reproductive performance, the accretion of muscle and fat mass, physical activity, and running performance as well as food intake in all experimental groups. For selected parameters, the comparative analysis spans more than 30 generations. In DUC mice, under SPF conditions a more than threefold (P < 0.0001) higher subcutaneous fat mass, higher muscle mass by about 25% (P < 0.0001), but lower epididymal fat mass in DUhTP mice by about 20% (P < 0.0001) were observed. In SPF husbandry, body weight increased to a stronger extent in adult DUC mice (~ 20%; P < 0.0001) than in DUhTP mice (~ 8%; P = 0.001). The concentrations of IGF 1 and IGFBPs in the serum as well as the liver weights were similar in all experimental groups, indicating growth effects independent of the somatotropic axis. Under SPF conditions the litter size at birth increased in DUC mice (P < 0.001) but not in DUhTP mice. The differential effect of husbandry on body weights at day 21 and concentrations of triglycerides in the serum of our model were due to the different diets used in the semi-barrier and in the SPF facility. Our results demonstrate differential trait response to environmental factors resulting in partial phenotype conversion in our experimental system. The existence of conditional phenotypes as a result of genotype-environment interactions points to the importance of environmental factors in functional genome analysis. PMID- 29214348 TI - Effect of laser-assisted zona thinning, during assisted reproduction, on pregnancy outcome in women with endometriosis: randomized controlled trial. AB - OBJECTIVE: To compare the ICSI-ET outcomes in patients with endometriosis with or without laser-assisted zona pellucida thinning. DESIGN: Randomized controlled trial. SETTING: The study was conducted in the Obstetrics & Gynecology Department, Cairo University hospital, and two private IVF centers in Cairo & Beni-Suif from July 2015 to January 2017 upon infertile and known endometriosis patients who planned to do ICSI-ET. INTERVENTIONS: Before randomization, all patients received the same ovarian stimulation preparation, oocyte retrieval procedures, and the same intracytoplasmic sperm injection procedures. After randomization, laser-assisted hatching was performed only for embryos of 158 patients, while the other group (n = 150) no laser-assisted hatching was made. The verification of pregnancy was achieved by the serum hCG concentration 14 days after the embryo transfer, and the clinical pregnancy was confirmed 2 weeks later by the presence of gestational sac with pulsating fetal pole on vaginal ultrasonography. MEASUREMENTS: The main outcome measures were the clinical pregnancy rate and the clinical implantation rate. MAIN RESULTS: Both groups were comparable with regard their baseline characteristics, baseline hormonal profile, the ovarian stimulation characteristics, and the ovulation characteristics. The mean number of embryos developed per patient and the mean transferred number of embryos per patient were comparable between groups (p value > 0.05). The implantation rate was significantly higher (p value 0.002) in the study group than the control group with an odds ratio of 1.86 (CI 95% 1.24-2.80) and NNT 13.81 (CI 95% 8.35-39.94). The clinical pregnancy rate, was significantly (p value 0.022) higher in the study group than in the control group with an odds ratio of 1.79 (CI 95% 1.05-3.06) and NNT 9.57 (CI 95% 5.03-98.99). CONCLUSION: That laser-assisted hatching by thinning of the zona pellucida may be a suitable method to improve the ICSI-ET outcomes, in term of the implantation and the pregnancy rates, in cases of endometriosis. CLINICAL TRIAL REGISTRATION: Pan African Clinical Trials Registry (PACTR), http://www.pactr.org/ATMWeb/appmanager/atm/atmregistry?dar=true&tNo=PACTR20150200 022393 , PACTR201602001467322. PMID- 29214349 TI - Ion channels as part of macromolecular multiprotein complexes : Clinical significance. AB - Ion channels and Ca2+-handling proteins involved in the regulation of cardiac electrophysiology and contractility are organized in macromolecular multiprotein complexes. Recent molecular and cellular studies have significantly enhanced our understanding of the composition of these macromolecular complexes and have helped to elucidate their role in the dynamic regulation of ion channel function. Moreover, it has become clear that alterations in the composition of ion channel macromolecular complexes, for example, due to genetic mutations or acquired alterations in the expression of individual components, may lead to ion channel dysfunction and arrhythmogenesis. Here, we review novel insights into the composition of the major ion channel macromolecular complexes and discuss the potential clinical significance of alterations in these dynamic multiprotein structures. PMID- 29214350 TI - Co-culture of human fibroblasts and Borrelia burgdorferi enhances collagen and growth factor mRNA. AB - Skin fibrosis has been reported in Borrelia burgdorferi infection in Europe, but has been questioned by several authors. The objective of the present study was to examine the interaction of skin fibroblasts with B. burgdorferi sensu stricto B31 (BB) and B. afzelii (BA) in vitro by electron microscopy. We also determined the expression of collagen type I, TGF-beta, FGF-1, calreticulin (CALR), decorin (DCN), and PDGF-alpha at the mRNA level in Borrelia/fibroblast co-cultures. Intact Borrelia attach to and transmigrate fibroblasts, and undergo cystic transformation outside the fibroblasts. Fibroblasts preserve their vitality and express a prominent granular endoplasmic reticulum, suggesting activated protein synthesis. On two different semi-quantitative real-time PCR assays, BB- and BA/fibroblast co-cultures showed a significant induction of type I collagen mRNA after 2 days compared to fibroblasts (fourfold for BA and 1.8-fold for BB; p < 0.02). In addition, there was a significant upregulation of mRNA expression of TGF-beta, CALR, PDGF-alpha, and DCN in BA and BB co-cultures compared to control fibroblasts in monolayer cultures after 2 days (p < 0.01). The BA/fibroblast co culture induced a considerably greater upregulation of collagen and growth factor mRNA compared to BB/fibroblast co-culture. In contrast, a significant down regulation of FGF-1 (20-fold for BA and 4.5-fold for BB) mRNA expression was detected in co-cultures compared to controls (p < 0.01). The results of the study support the hypothesis that BB sensu lato, and BA in particular, enhances collagen mRNA expression and can stimulate growth factors responsible for increased collagen production. PMID- 29214352 TI - Ablation of very late recurrence after initially successful ablation of atrial fibrillation. PMID- 29214351 TI - Regenerative medicine for the esophagus. AB - Advances in tissue engineering techniques have made it possible to use human cells as biological material. This has enabled pharmacological studies to be conducted to investigate drug effects and toxicity, to clarify the mechanisms underlying diseases, and to elucidate how they compensate for impaired organ function. Many researchers have tried to construct artificial organs using these techniques, but none has succeeded in growing a whole organ. Unlike other digestive organs with complicated functions, such as the processing and absorption of nutrients, the esophagus has the relatively simple function of transporting content, which can be replicated easily by a substitute. In regenerative medicine, various combinations of materials have been applied, including scaffolding, cell sources, and bioreactors. Exciting results of tissue engineering techniques for the esophagus have been reported. In animal models, replacing full-thickness and full-circumferential defects remains challenging because of stenosis and leakage after implantation. Although many reports have manipulated various scaffolds, most have emphasized the importance of both epithelial and mesenchymal cells for the prevention of stenosis. However, the results of repair of partial full-thickness defects and mucosal defects have been promising. Two successful approaches for the replacement of mucosal defects in a clinical setting have been reported, although in contrast to the many animal models, there are few pilot studies in humans. We review the recent results and evaluate the future of regenerative medicine for the esophagus. PMID- 29214353 TI - Complete bladder neck preservation promotes long-term post-prostatectomy continence without compromising midterm oncological outcome: analysis of a randomised controlled cohort. AB - PURPOSE: The only RCT available on complete bladder neck preservation (cBNP) during radical prostatectomy reported superior continence and QoL outcomes in the first 12 months after cBNP. We provide the first data on long-term urinary continence, QoL and biochemical recurrence (BCR) after complete bladder neck preservation in a randomised controlled cohort. METHODS: After approval by IRB, 199 men recruited for the randomised, controlled single-blind Heidelberger cBNP Study had prostatectomy performed with (cBNP) or without (noBNP) complete bladder neck preservation. Only men with renewed consent for this follow-up were evaluated for continence, QoL outcomes and BCR by ICIQ-SF self-assessment questionnaire, Pad-use/day and PSA levels. Students-t test, Pearson's Chi-square, Fishers exact test and multiple logistic regression analyses were applied. RESULTS: Mean follow-up was approx. 4 years. There were no significant differences in baseline characteristics between responders/non-responders or between study groups. We noted significantly higher continence rates (p = 0.004), less pad-use (p < 0.001), reduced frequency (p = 0.023) and amount (p = 0.009) of urine loss, and higher QoL outcomes (p = 0.012) after cBNP. A younger age positively influenced continence (OR = 0.91), but the multivariate analysis found cBNP to be the only independent predictor of continence (p = 0.008; OR = 8.1). pT stage was the only predictor for positive surgical margins (PSM; p < 0.001). There was no significant difference in pT stage (p = 0.23) or BCR (p = 0.63) between study groups and also no significant correlation between BCR and presence (p = 0.26) or localisation (p = 0.11) of PSM, nerve sparing (p = 0.70), surgeon (p = 0.41), preoperative PSA (p = 0.53) or pT stage (p = 0.17). No cancer-related death was noted. CONCLUSIONS: Results of this first follow-up on a prospective randomised controlled cohort demonstrate that cBNP is associated with significantly higher continence and QoL outcomes without compromising cancer control making cBNP a novel objective during radical prostatectomy. PMID- 29214354 TI - Wide-field autofluorescence-guided TUR-B for the detection of bladder cancer: a pilot study. AB - PURPOSE: The aim of this pilot study was to assess the feasibility and value of wide-field autofluorescence imaging (AFI) for the detection of bladder cancer during transurethral resection of the bladder (TUR-B). METHODS: For imaging, the D-Light/AF System (Karl Storz GmbH, Tuttlingen, Germany) and a customized band pass filter (~ 480-780 nm) at the eyepiece of the endoscope were used. The excitation light wavelength was 440 nm. Representative spectral measurements of tissue autofluorescence (AF) were performed using a spectrometer attached behind the AF band pass filter in selected patients. During TUR-B, cystoscopy was performed in white light (WL) followed by wide-field AFI. Lesions were classified as suspicious or normal using either modality. RESULTS: Representative spectral measurements using excitation at a wavelength of 440 nm resulted in significantly lower fluorescence intensity of malignant versus non-malignant tissue. Overall, 56 lesions (30 cancerous and 26 non-malignant) in 25 patients were assessed and classified by wide-field AFI. Papillary tumors as well as flat lesions lacked the green fluorescence seen in normal urothelium, thus emerging as "brown-reddish" areas. When compared with histopathological findings, the pooled per-lesion sensitivity and specificity for AF were 96.7 and 53.8%, respectively. For WL these values were 86.7 and 69.2%, respectively. CONCLUSION: Wide-field AFI imaging during TUR-B is simple and easy to use. Our preliminary data suggest that AFI has the potential to increase the detection rates of bladder tumors compared with WL without the need of intravesical instillation prior to the procedure. PMID- 29214356 TI - More predictive markers were identified for trastuzumab-induced cardiotoxicity. PMID- 29214355 TI - Biological production of L-malate: recent advances and future prospects. AB - As intermediates in the TCA cycle, L-malate and its derivatives have been widely applied in the food, pharmaceutical, agriculture, and bio-based material industries. In recent years, biological routes have been regarded as very promising approaches as cost-effective ways to L-malate production from low priced raw materials. In this mini-review, we provide a comprehensive overview of current developments of L-malate production using both biocatalysis and microbial fermentation. Biocatalysis is enzymatic transformation of fumarate to L-malate, here, the source of enzymes, catalytic conditions, and enzymatic molecular modification may be concluded. For microbial fermentation, the types of microorganisms, genetic characteristics, biosynthetic pathways, metabolic engineering strategies, fermentation substrates, and optimization of cultivation conditions have been discussed and compared. Furthermore, the combination of enzyme and metabolic engineering has also been summarized. In future, we also expect that novel biological approaches using industrially relevant strains and renewable raw materials can overcome the technical challenges involved in cost efficient L-malate production. PMID- 29214357 TI - Investigation and analysis of osteoporosis, falls, and fragility fractures in elderly people in the Beijing area: a study on the bone health status of elderly people >= 80 years old with life self-care. AB - : Among >= 80 years old and under life self-care in the Beijing area, the prevalences of osteoporosis, falls, and fragility fracture were high; and these prevalences were even higher in women. The treatment rate of osteoporosis is very low. Therefore, comprehensive and standardized prevention and treatment should be promoted. PURPOSE: The purpose of this study is to investigate prevalence of osteoporosis, falls, and fragility fractures in this population, and analyze related factors, in order to provide a basis for standardized prevention and treatment. METHODS: From August 2015 to August 2016 in Beijing City, a total of 175 elderly individuals, who were >= 80 years old and had good self-care ability, were included into this study. The questionnaire, risk of falls, grip force, and walking speed were measured, and the Timed Up and Go test (TUG) and chair-rising test (CRT) were performed. RESULTS: Compared to women, men have higher rates of smoking, drinking, drinking strong tea, longer outdoor activity time, as well as larger muscle strength and pace, and lower consumption of dairy products, fall risk assessment scale (FRA) score, 25OHD, administration rates of calcium and anti-osteoporosis drugs (P < 0.05, P < 0.01). Compared with men, women had higher bone turnover markers (P1NP, beta-CTx, and OC) (P < 0.05, P < 0.01) and lower levels of sex hormones (E2, T) (P < 0.01). The overall prevalence of osteoporosis was 24.6%, and this was significantly higher in women than in men (52.5 vs. 9.6%, P < 0.01). Among these subjects, 62.9% had a history of fall after 80 years old, and this rate was higher in women than in men (77 vs. 55.3%, P < 0.01). The overall prevalence of fragility fractures was 25.1%, which was higher in women than in men (45.9 vs. 14.0%, P < 0.01). Risk factors included falls after age 80, high FRA score, and reduction in bone density of lumbar vertebrae 1-4, and odds ratio (OR) was 12.195, 1.339, and 0.076, respectively (P < 0.01). Anti osteoporosis therapy was only performed on a small number of patients with fractures. CONCLUSION: The prevalences of falls, prior fracture, and low BMD were high among >= 80 years old and under life self-care in the Beijing area. Therefore, a comprehensive approach to assessment and treatment should be promoted. PMID- 29214358 TI - Multiple timescale analysis of the urban heat island effect based on the Community Land Model: a case study of the city of Xi'an, China. AB - Urban heat islands (UHIs) are the phenomenon of urban regions usually being warmer than rural regions, which significantly impacts both the regional ecosystem and societal activities. Numerical simulation can provide spatially and temporally continuous datasets for UHI analysis. In this study, a spatially and temporally continuous ground temperature dataset of Xi'an, China was obtained through numerical simulation based on the Community Land Model version 4.5 (CLM4.5), at a temporal resolution of 30 min and a spatial resolution of 0.05?* 0.05?. Based on the ground temperature, the seasonal average UHI intensity (UHII) was calculated and the seasonal variation of the UHI effect was analyzed. The monthly variation tendency of the urban heat stress was also investigated. Based on the diurnal cycle of ground temperature and the UHI effect in each season, the variation tendencies of the maximum, minimum, and average UHII were analyzed. The results show that the urban heat stress in summer is the strongest among all four seasons. The heat stress in urban areas is very significant in July, and the UHII is the weakest in January. Regarding the diurnal cycle of UHII, the maximum always appears at 06:30 UTC to 07:30 UTC, while the minimum intensity of the UHI effect occurs at different times in the different seasons. The results of this study could provide a reference for policymakers about how to reduce the damage caused by heat stress. PMID- 29214359 TI - Theoretical studies of the decomposition mechanisms of 1,2,4-butanetriol trinitrate. AB - Density functional theory (DFT) and canonical variational transition-state theory combined with a small-curvature tunneling correction (CVT/SCT) were used to explore the decomposition mechanisms of 1,2,4-butanetriol trinitrate (BTTN) in detail. The results showed that the gamma-H abstraction reaction is the initial pathway for autocatalytic BTTN decomposition. The three possible hydrogen atom abstraction reactions are all exothermic. The rate constants for autocatalytic BTTN decomposition are 3 to 1040 times greater than the rate constants for the two unimolecular decomposition reactions (O-NO2 cleavage and HONO elimination). The process of BTTN decomposition can be divided into two stages according to whether the NO2 concentration is above a threshold value. HONO elimination is the main reaction channel during the first stage because autocatalytic decomposition requires NO2 and the concentration of NO2 is initially low. As the reaction proceeds, the concentration of NO2 gradually increases; when it exceeds the threshold value, the second stage begins, with autocatalytic decomposition becoming the main reaction channel. PMID- 29214361 TI - ForceGen: atomic covalent bond value derivation for Gromacs. AB - A large number of crystallographic protein structures include ligands, small molecules and post-translational modifications. Atomic bond force values for computational atomistic models of post-translational or non-standard amino acids, metal binding active sites, small molecules and drug molecules are not readily available in most simulation software packages. We present ForceGen, a Java tool that extracts the bond stretch and bond angle force values and equilibrium values from the Hessian of a Gaussian vibrational frequency analysis. The parameters are compatible with force fields derived using the second order tensor of the Hessian. The output is formatted with the Gromacs topology in mind. This study further demonstrates the use of ForceGen over the quantum mechanically derived structures of a small organic solvent, a naturally occurring protein crosslink derived from two amino acids following post-translational modification and the amino acid ligands of a zinc ion. We then derive Laplacian bond orders to understand how the resulting force values relate back to the quantum mechanical model. The parameterisation of the organic solvent, toluene, was verified using Molecular Mechanics simulations. The structural data from the simulation compared well with the quantum mechanical structure and the system density compared well with experimental values. PMID- 29214363 TI - Correction to: Ibrutinib does not prolong the corrected QT interval in healthy subjects: results from a thorough QT study. AB - The author would like to correct the affiliations and conflict of interest in the publication of the original article. The corrected details are given below for your reading. PMID- 29214362 TI - Complete nucleotide sequence of jasmine virus H, a new member of the family Tombusviridae. AB - Jasmine virus H (JaVH) is a novel virus associated with symptoms of yellow mosaic on jasmine. The JaVH genome is 3,867 nt in length with five open reading frames (ORFs) encoding a 27-kDa protein (ORF 1), an 87-kDa replicase protein (ORF 2), two centrally located movement proteins (ORF 3 and 4), and a 37-kDa capsid protein (ORF 5). Based on genomic and phylogenetic analysis, JaVH is predicted to be a member of the genus Pelarspovirus in the family Tombusviridae. PMID- 29214360 TI - Insights into the genome and proteome of Sphingomonas paucimobilis strain 20006FA involved in the regulation of polycyclic aromatic hydrocarbon degradation. AB - In order to study the mechanisms regulating the phenanthrene degradation pathway and the intermediate-metabolite accumulation in strain S. paucimobilis 20006FA, we sequenced the genome and compared the genome-based predictions to experimental proteomic analyses. Physiological studies indicated that the degradation involved the salicylate and protocatechuate pathways, reaching 56.3% after 15 days. Furthermore, the strain degraded other polycyclic aromatic hydrocarbons (PAH) such as anthracene (13.1%), dibenzothiophene (76.3%), and fluoranthene. The intermediate metabolite 1-hydroxy-2-naphthoic acid (HNA) accumulated during phenanthrene catabolism and inhibited both bacterial growth and phenanthrene degradation, but exogenous-HNA addition did not affect further degradation. Genomic analysis predicted 126 putative genes encoding enzymes for all the steps of phenanthrene degradation, which loci could also participate in the metabolism of other PAH. Proteomic analysis identified enzymes involved in 19 of the 23 steps needed for the transformation of phenanthrene to trichloroacetic-acid intermediates that were upregulated in phenanthrene cultures relative to the levels in glucose cultures. Moreover, the protein-induction pattern was temporal, varying between 24 and 96 h during phenanthrene degradation, with most catabolic proteins being overexpressed at 96 h-e. g., the biphenyl dioxygenase and a multispecies (2Fe-2S)-binding protein. These results provided the first clues about regulation of expression of phenanthrene degradative enzymes in strain 20006FA and enabled an elucidation of the metabolic pathway utilized by the bacterium. To our knowledge the present work represents the first investigation of genomic, proteomic, and physiological studies of a PAH-degrading Sphingomonas strain. PMID- 29214365 TI - Profiling differential microRNA expression between in situ, infiltrative and lympho-vascular space invasive breast cancer: a pilot study. AB - Ductal carcinoma in situ (DCIS), invasive breast cancer (IBC) and lympho-vascular invasion (LVI) represent distinct stages in breast cancer progression with different clinical implications. Altered microRNA (miRNA) expression may play a role in mediating the progression of DCIS to IBC and LVI. The aim of this pilot study was to investigate whether differential miRNA expression could play a role in breast cancer progression. Cancer cells from DCIS, IBC and LVI were microdissected from formalin fixed paraffin embedded (FFPE) tissue of five breast cancer samples. MiRNA profiling of extracted RNA was performed using the TaqMan(r) Array Human MicroRNA Cards A and B v3.0. Candidate miRNAs and gene targets were validated by qPCR. 3D culture of MCF10A, MCF10DCIS.com and T47D cells were used as models for normal, DCIS and IBC. Immunohistochemistry of candidate genes was performed on FFPE 3D cell cultures as well as on tissue microarray which included cores of DCIS and IBC samples. MiR-150, miR-126 and miR 155 were found to be more highly expressed in IBC and LVI compared to DCIS. Gene targets of these miRNAs, RhoA, PEG10 and MYB, were found to be more highly expressed in DCIS compared to IBC by qPCR and in MCF10A and MCF10DCIS.com cells compared to T47D cells by immunohistochemistry. There was no difference in intensity of staining of RhoA by immunohistochemistry in DCIS versus IBC samples on tissue microarray. In this pilot study, we found evidence to support a potential role for variation in miRNA levels in the transition from DCIS to IBC. PMID- 29214364 TI - Diverticular colovesical fistula: What should we really be doing? AB - BACKGROUND: Colovesical fistula secondary to diverticular disease is increasing in incidence. Presentation and severity may differ, but a common management strategy may be applied. The aim of this study is to evaluate the characteristics and perioperative management of patients with colovesical fistulae and determine optimal management. METHODS: From 2003 to 2012, all charts of surgical patients with diverticular colovesical fistulae at two different institutions were reviewed. Patient and presentation characteristics and perioperative management and outcomes were recorded. Patient groups with early and late catheter removal (< 8 and >= 8 days) were compared with significance level set at p < 0.05. RESULTS: Seventy-eight patient charts were reviewed. The mean duration of symptoms was 7.5 months. Laparoscopic assisted surgery was carried out in 35% of patients. Complex bladder repair was performed in 27%. Mean length of stay was 8 days. Mean urinary catheter duration was 13 days. Seventy percent of patients underwent postoperative cystogram, with 4% positive for extravasation. Patients with early catheter removal were significantly older, more likely to have received intraoperative methylene blue instillation, and less likely to have had a complex bladder repair (p < 0.05). Complication rate, length of stay, postoperative cystography, and stent use were similar for both catheter removal groups. CONCLUSIONS: Intraoperative methylene blue bladder instillation should be utilized to limit unnecessary bladder repairs. In the setting of negative methylene blue extravasation, surgeons may confidently remove urinary catheters in 7 days or less, in some cases as early as 48 h. In complex bladder repairs, cystogram is still an important adjunct, with those patients with negative studies benefiting from catheter removal at 7 days or less. PMID- 29214366 TI - Two new Sporothrix species from Protea flower heads in South African Grassland and Savanna. AB - The inflorescences and infructescences of African Protea trees provide habitat for a large diversity of Sporothrix species. Here we describe two additional members, Sporothrix nsini sp. nov. and Sporothrix smangaliso sp. nov., that are associated with the infructescences of various Protea species from grasslands and savannas in the KwaZulu-Natal, North-West, Gauteng and Mpumalanga provinces of South Africa. Their description raises the number of described Protea-associated Sporothrix species to twelve. S. smangaliso sp. nov. is distantly related to other Protea-associated species and, in phylogenies using multiple markers (ITS, beta-tubulin and calmodulin), groups with taxa such as Sporothrix bragantina from Brazil and Sporothrix curviconia from the Ivory Coast. S. nsini sp. nov. resolved as sister to a clade containing four other Protea-associated species within the Sporothrix stenoceras complex. S. nsini sp. nov. was collected from within the same infructescences of Protea caffra that also contained the closely related S. africana and S. protearum. This highlights the need to study and understand the factors that influence host selection and speciation of Sporothrix in this atypical niche. PMID- 29214367 TI - Subtercola vilae sp. nov., a novel actinobacterium from an extremely high altitude cold volcano lake in Chile. AB - A novel actinobacterium, strain DB165T, was isolated from cold waters of Llullaillaco Volcano Lake (6170 m asl) in Chile. Phylogenetic analysis based on 16S rRNA gene sequences identified strain DB165T as belonging to the genus Subtercola in the family Microbacteriaceae, sharing 97.4% of sequence similarity with Subtercola frigoramans DSM 13057T, 96.7% with Subtercola lobariae DSM 103962T, and 96.1% with Subtercola boreus DSM 13056T. The cells were observed to be Gram-positive, form rods with irregular morphology, and to grow best at 10-15 degrees C, pH 7 and in the absence of NaCl. The cross-linkage between the amino acids in its peptidoglycan is type B2gamma; 2,4-diaminobutyric acid is the diagnostic diamino acid; the major respiratory quinones are MK-9 and MK-10; and the polar lipids consist of phosphatidylglycerol, diphosphatidylglycerol, 5 glycolipids, 2 phospholipids and 5 additional polar lipids. The fatty acid profile of DB165T (5% >) contains iso-C14:0, iso-C16:0, anteiso-C15:0, anteiso C17:0, and the dimethylacetal iso-C16:0 DMA. The genomic DNA G+C content of strain DB165T was determined to be 65 mol%. Based on the phylogenetic, phenotypic, and chemotaxonomic analyses presented in this study, strain DB165T (= DSM 105013T = JCM 32044T) represents a new species in the genus Subtercola, for which the name Subtercola vilae sp. nov. is proposed. PMID- 29214368 TI - Renal pharmacists' perceptions and current practices of assessing medication adherence in dialysis patients. AB - : Background Medication nonadherence is a major problem in chronic kidney failure patients undergoing dialysis. Pharmacists play a vital role in improving medication-related patient outcomes, reducing drug-related problems, and improving medication adherence. However, little is known about how pharmacists assess medication adherence in dialysis patients. Objective To measure pharmacists' perceptions, current practices, and barriers to assessing adherence in dialysis patients. Setting Australian renal-specialised pharmacists. Method An online survey was conducted between March and May 2016. Survey included five psychometric scales measuring perceived prevalence, contributors, effective methods, barriers, and confidence to assess adherence on a 10-point Likert scale (1 = strongly disagree; 10 = strongly agree). Current practices were identified using a 4-point graded response (1 = do not practice; 4 = practice for all). MAIN OUTCOME MEASURE: Perception scores, scale reliability, and responses to current practices questionnaire. Results 41 pharmacists completed the survey (response rate, 91.1%). The majority (91.9%, n = 34; median = 8.0) agreed patients were nonadherent to medication. Time constraints (43.8%, n = 14) and hospital support (31.3%, n = 10) were perceived as barriers to assessment. Objective blood monitoring was frequently used to determine nonadherence (57.1%, n = 16), whereas subjective interviews were rarely conducted (27.6%, n = 8). Though all pharmacists support the presence of dedicated pharmacist for assessing adherence (100.0%, n = 33), only 24.2% were actually performing this function. Conclusion Pharmacists were rarely assigned for adherence assessment in dialysis settings. Established self-report methods were under-utilised compared to objective methods. Future research should investigate the effectiveness of pharmacists' involvement in facilitating adherence promotion and early identification of medication-related issues in dialysis patients. PMID- 29214369 TI - Ginkgolide K promotes the clearance of A53T mutation alpha-synuclein in SH-SY5Y cells. AB - Alpha-synuclein (alpha-syn) is associated to Parkinson's disease (PD). The aggregated form of alpha-syn has potential neurotoxicity. Thus, the clearance of alpha-syn aggregation is a plausible strategy to delay disease progression of PD. In our study, we found that the treatment of Ginkgolide B (GB) and Ginkgolide K (GK) reduced cell death, and enhanced cell proliferation in SH-SY5Y cells, which overexpressed A53T mutant alpha-syn. Surprisingly, GK, but not GB, promoted the clearance of A53T alpha-syn, which can be abolished by autophagy inhibitor 3 methyladenine, indicating that GK-induced autophagy intervened in the clearance of A53T alpha-syn. However, GK did not affect the NEDD4 that belongs to the ubiquitin ligase in the endosomal-lysosomal pathway. Furthermore, GK treatment inhibited the p-NF-kB/p65 and induced the PI3K, BDNF, and PSD-95. Taken together, GK increased the clearance of alpha-syn, reduced cell death, and triggered complex crosstalk between different signaling pathways. Although our results show a potentially new therapeutic candidate for PD, the details of this mechanism need to be further identified. PMID- 29214370 TI - Lumbar intervertebral disc allograft transplantation: the revascularisation pattern. AB - PURPOSE: Fresh frozen intervertebral disc allograft transplantation has been reported to be a viable treatment option for advanced degenerative disc diseases, but rapid degeneration of the postoperative allograft was found. Loss of nutrient supply is believed to be the most likely inducer because the disc allografts have to endure in an ischaemic environment until the nutrient pathway is re established. The aim of this study was to focus on the revascularisation of the disc allograft after transplantation in goats. METHODS: Twenty male goats were used in this study. Intervertebral disc allograft transplantation was performed at L4/L5. Groups of five goats were killed at 1.5, 6 and 12 m postoperatively, respectively. The transplanted segments were harvested, fixed, sagittally cut and decalcified for H&E staining and immunochemistry to observe the blood vessel formation at the endplates, anterior outer annulus, posterior outer annulus, inner annulus and the nucleus. The blood vessel density and the sectional vessel area were measured. RESULTS: Blood vessels were first found in the marrow space of the bony endplate and the outer annulus at 1.5 month postoperatively. Then, they were able to penetrate to reach the cartilaginous endplate and the inner annulus after 6 months. Interestingly, the endplate area possessed the most abundant blood vessels, with the highest level of vessel density and area at the final follow-up. None of these newly formed vessels invaded the nucleus during the observation period. CONCLUSIONS: Revascularisation of the postoperative disc allograft has been determined, but its pattern was different from that in adult normal discs, suggesting that the typical nutrient diffusion pattern may be affected after transplantation. PMID- 29214371 TI - Biomechanical investigation of lumbar hybrid stabilization in two-level posterior instrumentation. AB - PURPOSE: Hybrid stabilization with a dynamic implant has been suggested to avoid adjacent segment disease by creating a smoother transition zone from the instrumented segments to the untreated levels above. This study aims to characterize the transition zones of two-level posterior instrumentation strategies for elucidating biomechanical differences between rigid fixation and the hybrid stabilization approach with a pedicle screw-based dynamic implant. METHODS: Eight human lumbar spines (L1-5) were loaded in a spine tester with pure moments of 7.5 Nm and with a hybrid loading protocol. The range of motion (ROM) of all segments for both loading protocols was evaluated and normalized to the native ROM. RESULTS: For pure moment loading, ROM of the segments cranial to both instrumentations were not affected by the type of instrumentation (p > 0.5). The dynamic instrumentation in L3-4 reduced the ROM compared to intact (p < 0.05) but allowed more motion than the rigid fixation of the same segment (p < 0.05). Under hybrid loading testing, the cranial segments (L1-2, L2-3) had a significant higher ROM for both instrumentations compared to the intact (p < 0.05). Comparing the two instrumentations with each other, the rigid fixation resulted in a higher increased ROM of L1-2 and L2-3 than hybrid stabilization. CONCLUSIONS: Regardless of the implant, two-level posterior instrumentation was accompanied by a considerable amount of compensatory movement in the cranial untreated segments under the hybrid protocol. Hybrid stabilization, however, showed a significant reduction of this compensatory movement in comparison to rigid fixation. These results could support the surgical strategy of hybrid stabilization, whereas the concept of topping-off, including a healthy segment, is discouraged. PMID- 29214373 TI - Utilization of breast cancer screening with magnetic resonance imaging in community practice. AB - BACKGROUND: Breast cancer screening with magnetic resonance imaging (MRI) may be a useful adjunct to screening mammography in high-risk women, but MRI uptake may be increasing rapidly among low- and average-risk women for whom benefits are unestablished. Comparatively little is known about use of screening MRI in community practice. OBJECTIVE: To assess relative utilization of MRI among women who do and do not meet professional society guidelines for supplemental screening, and describe utilization according to breast cancer risk indications. DESIGN: Prospective cohort study conducted between 2007 and 2014. PARTICIPANTS: In five regional imaging registries participating in the Breast Cancer Surveillance Consortium (BCSC), 348,955 women received a screening mammogram, of whom 1499 underwent screening MRI. MAIN MEASURES: Lifetime breast cancer risk (< 20% or >= 20%) estimated by family history of two or more first-degree relatives, and Gail model risk estimates. Breast Imaging Reporting and Data System breast density and benign breast diseases also were assessed. Relative risks (RR) for undergoing screening MRI were estimated using Poisson regression. KEY RESULTS: Among women with < 20% lifetime risk, which does not meet professional guidelines for supplementary MRI screening, and no first-degree breast cancer family history, screening MRI utilization was elevated among those with extremely dense breasts [RR 2.2; 95% confidence interval (CI) 1.7-2.8] relative to those with scattered fibroglandular densities and among women with atypia (RR 7.4; 95% CI 3.9-14.3.) or lobular carcinoma in situ (RR 33.1; 95% CI 18.0-60.9) relative to women with non-proliferative disease. Approximately 82.9% (95% CI 80.8%-84.7%) of screening MRIs occurred among women who did not meet professional guidelines and 35.5% (95% CI 33.1-37.9%) among women considered at low-to-average breast cancer risk. CONCLUSION: Utilization of screening MRI in community settings is not consistent with current professional guidelines and the goal of delivery of high value care. PMID- 29214372 TI - A Review of the Clinical Utility of Systematic Behavioral Observations in Attention Deficit Hyperactivity Disorder (ADHD). AB - This review evaluates the clinical utility of tools for systematic behavioral observation in different settings for children and adolescents with ADHD. A comprehensive search yielded 135 relevant results since 1990. Observations from naturalistic settings were grouped into observations of classroom behavior (n = 58) and of social interactions (n = 25). Laboratory observations were subdivided into four contexts: independent play (n = 9), test session (n = 27), parent interaction (n = 11), and peer interaction (n = 5). Clinically relevant aspects of reliability and validity of employed instruments are reviewed. The results confirm the usefulness of systematic observations. However, no procedure can be recommended as a stand-alone diagnostic method. Psychometric properties are often unsatisfactory, which reduces the validity of observational methods, particularly for measuring treatment outcome. Further efforts are needed to improve the specificity of observational methods with regard to the discrimination of comorbidities and other disorders. PMID- 29214374 TI - Serum Antioxidant Parameters are Significantly Increased in Patients with Type 2 Diabetes Mellitus after Consumption of Chinese Propolis: A Randomized Controlled Trial Based on Fasting Serum Glucose Level. AB - INTRODUCTION: Propolis is a natural product with many biological activities. The present study was designed to evaluate the effects of Chinese propolis on glucose metabolism, antioxidant function, and inflammatory cytokines in patients with type 2 diabetes mellitus (T2DM). METHODS: In the 18-week study, recruited T2DM patients were randomly divided into a Chinese propolis group (900 mg/day) (n = 31) and a control group (n = 30) according to fasting serum glucose levels at baseline. RESULTS: At the end of the study, no significant difference was found between the groups in serum glucose, glycosylated hemoglobin, insulin, aldose reductase, or adiponectin. However, serum GSH, flavonoids, and polyphenols were significantly increased, and serum lactate dehydrogenase activity was significantly reduced in the Chinese propolis group. Meanwhile, serum IL-6 was significantly increased in the Chinese propolis group. CONCLUSION: Chinese propolis is effective at improving antioxidant function in T2DM patients, partly by increasing serum antioxidant parameters. PMID- 29214375 TI - Review: surgical treatment of giant coronary aneurysms in pediatric patients with Kawasaki disease. AB - In Kawasaki disease (KD), giant coronary aneurysms in the proximal segments of the coronary arteries have long been among the serious complications associated with acute myocardial infarction. To treat myocardial ischemia in children, Kitamura et al. first performed coronary artery bypass grafting in a pediatric patient using an autologous saphenous vein. In the early 1980s, they began to use the internal thoracic artery (ITA) as a bypass graft to the left anterior descending artery, which later was proven to improve long-term life expectancy with its favorable long-term patency, as well as growth potential. Thus, the excellent characteristics of the ITA have come to be widely known among pediatric cardiac surgeons, and a growing number of coronary bypass surgery procedures using the ITA are now being performed worldwide. Although a longer follow-up with more patients is necessary, downsizing reconstructive procedure may be a treatment of choice for giant aneurysms of non-LAD territories to improve coronary circulation. The efficacy of surgical treatment for giant coronary aneurysms in pediatric patients with Kawasaki disease is now well established. Pediatric coronary artery bypass grafting using the ITA, either single or bilateral, can be safe not only for patients with Kawasaki coronary disease but also for infants with congenital coronary lesions. PMID- 29214376 TI - Polymer-infiltrated ceramic CAD/CAM inlays and partial coverage restorations: 3 year results of a prospective clinical study over 5 years. AB - OBJECTIVE: The aim of this prospective clinical 5-year study was to evaluate the long-term behavior of monolithic computer-aided design and computer-aided manufacturing (CAD/CAM)-fabricated minimally invasive polymer-infiltrated ceramic network (PICN) inlays and partial coverage restorations (PCR). MATERIAL AND METHODS: Posterior teeth of 47 patients were restored with 103 restorations (45 inlays, 58 PCRs). After defect-oriented preparations, monolithic PICN restorations of VITA Enamic were fabricated with a CAD/CAM system (inEoS blue/CEREC inLab MCXL) and adhesively bonded (Variolink II). Clinical reevaluations were so far performed at baseline and 6, 12, 24, and 36 months after insertion according to modified United States Public Health Service (USPHS) criteria. Absolute failures were demonstrated by Kaplan-Meier survival rate and relative failures by Kaplan-Meier success rate. A logistic regression model was adjusted for modified USPHS criteria to investigate time and restoration effects (p < 0.05). RESULTS: After an observation time of 3 years, survival rates were 97.4% for inlays and 95.6% for PCRs. Three restorations had to be replaced due to clinically unacceptable fractures. Secondary caries and debonding were not observed. The 3-year Kaplan-Meier success rate was 84.8% for inlays and 82.4% for PCRs. The decrease in marginal adaption (p = 0.0005), increase in marginal discoloration (p < 0.0001), and surface roughness (p = 0.0005) over time were significant. Color match and anatomic form were excellent. No significant differences were found between both types of restorations for survival (p = 0.716) and success rate (p = 0.431). CONCLUSIONS: Minimally invasive PICN restorations showed a favorable clinical performance over an observation period of 36 months. However, clinical long-term data have to be awaited. CLINICAL RELEVANCE: PICN restorations are a suitable treatment option for posterior inlays and PCRs. PMID- 29214377 TI - Validation of a new experimental model of extrusive luxation on maxillary molars of rats: a histological study. AB - BACKGROUND/AIM: The aim of this study was to test and validate a new model of extrusive luxation trauma on maxillary first molars of rats. MATERIAL AND METHODS: Forty adult male rats (Rattus norvegicus albinus, Wistar; weight = 230 250 g), 45 days old, were divided into eight groups (n = 5): control groups, in which animals were not subjected to any procedure and waited 1 day (GC1D) or 3 days (GC3D) for euthanasia, and experimental groups, in which animals were subjected to forces of 1100cN, 1300cN, or 1500cN and waited 1 or 3 days for euthanasia (GT1100/1D, GT1100/3D, GT1300/1D, GT1300/3D, GT1500/1D, GT1500/3D). In animals of the experimental groups, trauma was produced by an extrusive force in maxillary first right molars. Four-micrometer serial cuts stained with hematoxylin and eosin (HE) were made. Descriptive microscopic analysis of first upper right molar and semi-quantitative analysis (scores 1 to 4) of intensity of acute and chronic inflammation and vascular changes in the periodontal ligament and active and inactive external root resorption were conducted. The distribution of scores in the groups was compared using the Freeman-Halton extension of Fisher's exact test. The significance level was 5%. RESULTS: It was observed that vascular disorders (bleeding) on the periodontal ligament became more evident with increasing extrusive force. CONCLUSIONS: This new method was capable of generating histological changes, proving its secure application in this research area. The 1500cN force produced more damage on the periodontal ligament. CLINICAL RELEVANCE: The validation of a new experimental method can produce more reliable evidence in further research. PMID- 29214378 TI - The effectiveness of two types of MADS for OSA therapy. AB - OBJECTIVES: The purpose of this study was to determine differences in effectiveness between two types of mandibular advancement device (MAD). MATERIAL AND METHODS: In this retrospective, cohort study, the two devices used were MAD type "Somnodent-Flex" (MAD 1) and MAD type "Herbst" (MAD 2). One hundred thirty seven patients participated in this study, 67 patients were treated with MAD 1, and 70 patients with MAD 2. The indication MAD with obstructive sleep apnea (OSA) is based on a polysomnography test, in accordance with the CBO guidelines. The effectiveness of MAD therapy can be determined by a second polysomnography test (with the MAD in situ). The apnea-hypopnea index (AHI) is registered during the first and the second polysomnography test. Changes in these values determine the effectiveness. RESULTS: A significant decrease in AHI was found regarding T1 and T2 for both the MADs: F (1, 134) = 140,850, p < 0,001. The mean differences of both the MADs turned out to correlate to T1. After correcting for this covariance, there was no significant difference between the two MAD devices regarding the AHI value: F (1, 134) = 1160, p = 0,283. CONCLUSIONS: The results of the present study show no significant difference in effectiveness between MAD 1 and MAD 2 in respect to the AHI value. CLINICAL RELEVANCE: Since 2012, healthcare insurance companies in the Netherlands refunds MAD type "Somnodent" used for treatment of sleep apnea. It is important to investigate if this type of MAD is as more effective or less effective as other types of MADs. If research points out that other MADs are more effective in reducing the sleep apnea, refund policies have to be adapted. PMID- 29214379 TI - Dual Contribution of Mesenchymal Stem Cells Employed for Tissue Engineering of Peripheral Nerves: Trophic Activity and Differentiation into Connective-Tissue Cells. AB - Adult peripheral nerves in vertebrates can regrow their axons and re-establish function after crush lesion. However, when there is extensive loss of a nerve segment, due to an accident or compressive damage caused by tumors, regeneration is strongly impaired. In order to overcome this problem, bioengineering strategies have been employed, using biomaterials formed by key cell types combined with biodegradable polymers. Many of these strategies are successful, and regenerated nerve tissue can be observed 12 weeks after the implantation. Mesenchymal stem cells (MSCs) are one of the key cell types and the main stem cell population experimentally employed for cell therapy and tissue engineering of peripheral nerves. The ability of these cells to release a range of different small molecules, such as neurotrophins, growth factors and interleukins, has been widely described and is a feasible explanation for the improvement of nerve regeneration. Moreover, the multipotent capacity of MSCs has been very often challenged with demonstrations of pluripotency, which includes differentiation into any neural cell type. In this study, we generated a biomaterial formed by EGFP-MSCs, constitutively covering microstructured filaments made of poly-epsilon caprolactone. This biomaterial was implanted in the sciatic nerve of adult rats, replacing a 12-mm segment, inside a silicon tube. Our results showed that six weeks after implantation, the MSCs had differentiated into connective-tissue cells, but not into neural crest-derived cells such as Schwann cells. Together, present findings demonstrated that MSCs can contribute to nerve-tissue regeneration, producing trophic factors and differentiating into fibroblasts, endothelial and smooth-muscle cells, which compose the connective tissue. PMID- 29214380 TI - Differential expression of gibberellin- and abscisic acid-related genes implies their roles in the bud activity-dormancy transition of tea plants. AB - KEY MESSAGE: Thirty genes involved in GA and ABA metabolism and signalling were identified, and the expression profiles indicated that they play crucial roles in the bud activity-dormancy transition in tea plants. Gibberellin (GA) and abscisic acid (ABA) are fundamental phytohormones that extensively regulate plant growth and development, especially bud dormancy and sprouting transition in perennial plants. However, there is little information on GA- and ABA-related genes and their expression profiles during the activity-dormancy transition in tea plants. In the present study, 30 genes involved in the metabolism and signalling pathways of GA and ABA were first identified, and their expression patterns in different tissues were assessed. Further evaluation of the expression patterns of selected genes in response to GA3 and ABA application showed that CsGA3ox, CsGA20ox, CsGA2ox, CsZEP and CsNCED transcripts were differentially expressed after exogenous treatment. The expression profiles of the studied genes during winter dormancy and spring sprouting were investigated, and somewhat diverse expression patterns were found for GA- and ABA-related genes. This diversity was associated with the bud activity-dormancy cycle of tea plants. These results indicate that the genes involved in the metabolism and signalling of GA and ABA are important for regulating the bud activity-dormancy transition in tea plants. PMID- 29214381 TI - Exposure to cox-2 inhibitors (coxibs) during the first trimester and pregnancy outcome: a prospective observational cohort study. AB - PURPOSE: Cox-2-inhibitors (coxibs) are not recommended in pregnancy but early exposure may occur, for instance in unplanned pregnancies. Experience in pregnancy is limited leading to concerns in patients and their health care providers. Therefore, further data on coxibs and their effects on embryogenesis are needed. METHODS: This observational cohort study evaluates pregnancies ascertained in Germany during the study period from January 2000 to January 2016. A cohort of 174 women exposed to coxibs in the first trimester was compared to a randomly selected cohort of 521 women without exposure to coxibs, other nonsteroidal anti-inflammatory drugs or known teratogens. RESULTS: The overall rate of major birth defects was not significantly increased in the study cohort (2.9 vs. 2.7%, OR 1.08, 95% CI 0.34-3.42; OR adjusted 0.96, 95% CI 0.28-3.26). The cumulative incidence of spontaneous abortions was nonsignificantly lower in the exposed cohort (14.3 vs. 20.0%; HR, 0.90, 95% CI 0.51-1.58; HR adjusted, 0.87; 95% CI, 0.49-1.56). Elective terminations of pregnancies (ETOP), mainly for 'social' reasons, were more frequent in the coxib cohort (17.5 vs. 7.0%, HR, 2.31; 95% CI, 1.26-4.24; HR adjusted 2.12, 95% CI 1.13-3.97). CONCLUSIONS: Our study results support the assumption that coxibs are not major teratogens. Considering the still limited evidence basis on coxib exposure during pregnancy, well-established alternatives should be preferred. PMID- 29214382 TI - Bleeding in primary shoulder arthroplasty. AB - INTRODUCTION: The aim of this investigation was to analyse "total blood loss" (TBL), "blood transfusion rate" (BT) and the "amount of transfused blood units" (BU) between the different primary shoulder arthroplasty (SA) types: reverse, anatomical and stemless. Only primary SA was included. Further goal was to identify risk factors for TBL, amount of BU and BT rate. METHODS: A retrospective charts analysis of patients who received primary SA for degenerative shoulder pathology in our institution between 2004 and 2016 was performed. The demographic data, co-morbidities, haemoglobin and hematocrit level, BT rate, amount of transfused BU etc. were collected. TBL was estimated. Linear regression, log linear poisson regression and logistic regression were used to compare the outcomes TBL, amount of transfused BU and BT rate, respectively, between different prosthesis types. RESULTS: Of 278 patients included in this study 209 received reverse, 57 anatomical and 12 stemless SA. Mean TBL was 392.7 ml in reverse, 394.6 ml in anatomical and 298.3 ml in stemless SA. The BT rate and mean amount of BU were, respectively, 14.4% and 0.32 in reverse and 8.77% and 0.23 in anatomical SA. None of the patients with stemless arthroplasty received BT. Significant risk factors for elevated TBL are operation time, higher BMI, male sex. Significant risk parameters for BT and higher amount of transfused BU are low BMI, cemented arthroplasty, coronary heart disease, ASA score > 2 and previous therapy with vitamin K antagonists. CONCLUSION: Although there were little differences between the blood transfusion rates in reverse vs. anatomical arthroplasty, there was no difference in total blood loss between these different prosthesis types. None of the patients with stemless arthroplasty received blood transfusion. There are various risk factors affecting total blood loss and blood transfusion rate. However, risk parameters influencing blood transfusion may be different to them affecting total blood loss. PMID- 29214383 TI - Evaluation of the effectiveness and patients' contentment with transanal haemorrhoidal artery dearterialisation and mucopexy (THD) for treatment of haemorrhoidal disease: a 6-year study. AB - INTRODUCTION: With high incidence of haemorrhoidal disease and significant complication rates of traditional haemorrhoidectomy procedures, transanal haemorrhoidal artery ligation and mucopexy (THD) emerges as a minimally invasive procedure with superior results. However, it is crucial that effectiveness of results and patient satisfaction be gauged based on post-operative experience, symptomology and recurrence. AIM: Our aim is to provide a long-term analysis of efficacy and patient's satisfaction for the procedure, for the largest patient population, in correlation to presenting symptoms and degree of haemorrhoids. METHOD: A prospective study was conducted for all the patients (324) that underwent THD between 2011 and 2016 in Naas General Hospital. The assessment was done for postoperative complications, symptoms pre- and postoperatively and patients' satisfaction rating. Clinical follow-up was done after 6 weeks and long term follow-up by standardized questionnaire filled by telephonic clinic. RESULTS: Of the 324 patients who underwent surgery, 256 (79.0%) participated in the study. There were 119 (46.5%) males and 137 (53.5%) females. The average age of patients was 48.40 years (17-82). Two hundred and fifteen (84.0%) patients had no recurrence. Forty-one (16.0%) had recurrence requiring further treatment. There was statistically significant higher recurrence in patients with grade 3 and 4 haemorrhoids and per-rectal bleeding (p < 0.05) while there was no statistically significant recurrence for age, gender, sedentary lifestyle and constipation/pruritus. Two hundred and twenty-four (87.5%) patients were completely satisfied from the procedure and highly recommend the procedure. CONCLUSION: THD is a comparably pain-free procedure with improved results that prides in higher long-term satisfaction, minimal recurrence and fewer complications, in comparison to other surgical modalities. PMID- 29214385 TI - Sealing Effects on the Storage Stability of the Cyanide Antidotal Candidate, Dimethyl Trisulfide. AB - BACKGROUND: Dimethyl trisulfide (DMTS) is a highly lipid-soluble cyanide (CN) antidote candidate molecule. In prior studies with various US FDA-approved co solvents, surfactants, and their combinations, aqueous solutions containing 15% polysorbate 80 (Poly80) were found to effectively solubilize DMTS in formulations for intramuscular administration. However, DMTS formulated in 15% aqueous Poly80 solutions showed gradual losses over time when stored in vials with septum-based seals. OBJECTIVE: The present study tested whether storing DMTS formulations in hermetically sealed glass ampules could mitigate storage losses. METHODS: Samples consisted of 1-mL aliquots of a 50 mg/ml stock solution of DMTS in 15% aqueous Poly80. The control samples were stored using a vial-within-a-vial system-the inner and outer vials were sealed respectively, with a snap cap, and with a crimped septum. The hermetically sealed test samples were stored in fire-sealed glass ampules. The DMTS content was measured by HPLC-UV analysis at specific time points over a 100-day period. RESULTS: While the control samples exhibited systematic DMTS losses, no DMTS losses were observed from the test samples stored in hermetically sealed glass ampules over the 100-day testing period. CONCLUSION: DMTS formulated in 15% aqueous Poly80 solution has excellent stability when stored in fire-sealed glass ampules and thus has the potential to be effectively stored as an intramuscular CN countermeasure for mass casualty scenarios. PMID- 29214384 TI - Dispensability of Annual Laboratory Follow-Up After More than 2 Years of Valproic Acid Use: A Systematic Review. AB - BACKGROUND: The necessity of annual laboratory follow-up in patients treated with valproic acid (VPA) is controversial. OBJECTIVE: We investigated the need for annual laboratory follow-up of liver enzymes, electrolytes, and full blood count (FBC) in patients treated with VPA. PATIENTS AND METHODS: A systematic search in Evidence-Based Medicine Reviews (EBMR), MEDLINE, and EMBASE was undertaken in December 2016 to identify all published articles investigating or citing valproic acid, liver function disorders, electrolyte disorders, and FBC deviations. RESULTS: This review included 108 articles. As the number of participants and duration of the study was not adequate in most studies to detect rare adverse events, studies did not demonstrate a clear prevalence of hepatotoxicity. While a transient increase of transaminases is common and seldom harmful, severe hepatotoxicity is a rare phenomenon and is not prevented by routine laboratory monitoring. VPA had no relevant effect on serum calcium, sodium, potassium, and albumin. The prevalence of FBC varied from 0.6 to 27.8%, occurred mostly in the first 2 years of therapy, and was usually asymptomatic. CONCLUSIONS: Long-term monitoring in VPA treatment is only necessary when there have been dose adjustments, co-medication switches, or co-morbidity. In uncomplicated cases, annual laboratory follow-up may be discontinued after 2 years of VPA treatment. Encouraging patients to be vigilant is more effective in the detection of hepatotoxicity than laboratory testing. Follow-up of FBC at 3-6 months, 1 year, and 2 years after start or after a dose increase of VPA or interacting medication is sufficient. PMID- 29214387 TI - Dealing with difference: a scoping review of psychotherapeutic interventions with unaccompanied refugee minors. AB - Unaccompanied refugee minors (URMs) are a population at risk for developing mental problems, post-traumatic stress disorder, anxiety, and/or depression. Therapists working with URMs often have to overcome language and cultural barriers, while taking into account these young people's specific needs. A growing literature describes a wide range of interventions designed to reduce psychopathologies and improve well-being. We summarized the different interventions used with URMs to get an overview of techniques used for reducing psychopathologies and difficulties of URMs and to give recommendations to help professionals. We searched eight databases for articles and books, imposing no restrictions on publication date or geographical region, and using English and French keywords. We included all studies (RCTs, case series, case study) that assessed an intervention with one or more URMs. Seventeen studies, reported in papers or book chapters, met the criteria for inclusion in our analysis. Only one RCT has been conducted with URMs but because of small sample size we cannot conclude on its efficacy. Other studies are case series or case studies and because of their study design, we cannot conclude whether one intervention is superior to others. Further research, with higher level of evidence, is needed to determine which types of intervention are most effective when working with URMs. PMID- 29214388 TI - Current UK Practices on Health Economics Analysis Plans (HEAPs): Are We Using Heaps of Them? PMID- 29214386 TI - Improvement rate of patients with severe brain injury during post-acute intensive rehabilitation. AB - Patients with severe acquired brain injury (SABI) may evolve towards different outcomes. The primary aim was to evaluate the clinical evolution of a large population of patients with SABI admitted to post-acute rehabilitation from 2001 to 2016, diagnosed with severe brain injury (GCS <= 8) in the acute phase and a coma duration of at least 24 h. The possible changes between the admission time to a post-acute rehabilitation hospital and the discharge time were measured by means of Glasgow Outcome Scale (GOS), Level of Cognitive Functioning (LCF), and Disability Rating Scale (DRS). We also correlated the improvement rate with some sociodemographic and clinical features of the individuals with SABI enrolled. Data of 890 patients were analyzed (54% TBI, length of stay = 162 +/- 186 days, GCS = 7.46 +/- 1.28); time interval from the SABI (OR = 0.246, CI 95% = 0.181 - 0.333), scores at admission of LCF (OR = 2.243, CI 95% = 1.492 - 3.73), GOS (OR = 0.138, CI 95% = 0.071 - 0.266), DRS (OR = 0.457, CI 95% = 0.330 - 0.632), and etiology (OR = 2.273, CI 95% = 1.676 - 3.084) played a significant role (p < 0.001, explained variance 69.9%) for improving GOS score. Time interval from the SABI to admission in our post-acute rehabilitation ward (OR = 0.300, CI 95% = 0.179 - 0.501, p < 0.001), length of rehabilitation stay (OR = 2.808, CI 95% = 1.694 - 4.653, p < 0.001), and etiology (OR = 1.769, CI 95% = 1.095 - 2.857, p = 0.020) led to a statistically significant improvement in DRS (explained variance 91%). The most significant predictive factors for the outcome of patients with SABI were etiology, time interval from SABI to admission in rehabilitation, and length of rehabilitation stay. PMID- 29214389 TI - Using Real-World Data in Health Technology Assessment (HTA) Practice: A Comparative Study of Five HTA Agencies. AB - BACKGROUND: Reimbursement decisions are conventionally based on evidence from randomised controlled trials (RCTs), which often have high internal validity but low external validity. Real-world data (RWD) may provide complimentary evidence for relative effectiveness assessments (REAs) and cost-effectiveness assessments (CEAs). This study examines whether RWD is incorporated in health technology assessment (HTA) of melanoma drugs by European HTA agencies, as well as differences in RWD use between agencies and across time. METHODS: HTA reports published between 1 January 2011 and 31 December 2016 were retrieved from websites of agencies representing five jurisdictions: England [National Institute for Health and Care Excellence (NICE)], Scotland [Scottish Medicines Consortium (SMC)], France [Haute Autorite de sante (HAS)], Germany [Institute for Quality and Efficacy in Healthcare (IQWiG)] and The Netherlands [Zorginstituut Nederland (ZIN)]. A standardized data extraction form was used to extract information on RWD inclusion for both REAs and CEAs. RESULTS: Overall, 52 reports were retrieved, all of which contained REAs; CEAs were present in 25 of the reports. RWD was included in 28 of the 52 REAs (54%), mainly to estimate melanoma prevalence, and in 22 of the 25 (88%) CEAs, mainly to extrapolate long-term effectiveness and/or identify drug-related costs. Differences emerged between agencies regarding RWD use in REAs; the ZIN and IQWiG cited RWD for evidence on prevalence, whereas the NICE, SMC and HAS additionally cited RWD use for drug effectiveness. No visible trend for RWD use in REAs and CEAs over time was observed. CONCLUSION: In general, RWD inclusion was higher in CEAs than REAs, and was mostly used to estimate melanoma prevalence in REAs or to predict long-term effectiveness in CEAs. Differences emerged between agencies' use of RWD; however, no visible trends for RWD use over time were observed. PMID- 29214390 TI - Changes in motor performance and mental workload during practice of reaching movements: a team dynamics perspective. AB - Few investigations have examined mental workload during motor practice or learning in a context of team dynamics. This study examines the underlying cognitive-motor processes of motor practice by assessing the changes in motor performance and mental workload during practice of reaching movements. Individuals moved a robotic arm to reach targets as fast and as straight as possible while satisfying the task requirement of avoiding a collision between the end-effector and the workspace limits. Individuals practiced the task either alone (HA group) or with a synthetic teammate (HRT group), which regulated the effector velocity to help satisfy the task requirements. The findings revealed that the performance of both groups improved similarly throughout practice. However, when compared to the individuals of the HA group, those in the HRT group (1) had a lower risk of collisions, (2) exhibited higher performance consistency, and (3) revealed a higher level of mental workload while generally perceiving the robotic teammate as interfering with their performance. As the synthetic teammate changed the effector velocity in specific regions near the workspace boundaries, individuals may have been constrained to learn a piecewise visuomotor map. This piecewise map made the task more challenging, which increased mental workload and perception of the synthetic teammate as a burden. The examination of both motor performance and mental workload revealed a combination of both adaptive and maladaptive team dynamics. This work is a first step to examine the human cognitive-motor processes underlying motor practice in a context of team dynamics and contributes to inform human-robot applications. PMID- 29214391 TI - Stroking and tapping the skin: behavioral and electrodermal effects. AB - Being caressed represents one of the most typical expressions of affection conveyed by touch. Converging evidence suggests that the pleasant perception of gentle and slow stroking delivered to the hairy skin is mediated by C-Tactile afferents (CTs). While behavioral and neural responses to CT-optimal touch have been moderately explored so far, less is known about the autonomic reaction to different kinds of touch (both CT-optimal and not). Here, we investigated whether physiological arousal varies as a function of the specific tactile stimulation provided. Stroking (slow: 3 cm/s 'CT-optimal'; or fast: 30 cm/s) and tapping (random or fixed spatial order) stimulations were delivered to the participants' forearm with a brush, for durations of 9 or 60 s. Participants' skin conductance response (SCR) and level (SCL), as well as subjective evaluations, were recorded. The results revealed that being stroked (at both the velocities) induced higher SCR and SCL than being tapped. Moreover, while higher SCR was elicited by CT suboptimal stroking compared to CT-optimal stroking, SCL was not affected differently by CT-optimal touch. No differences were found between the effects of 9 and 60 s stimulations. Slow stroking was evaluated as the most pleasant, relaxing and 'social' type of touch compared to the other tactile stimulations. Taken together, these findings shed light on the psychophysiological responses to stroking (including CT-optimal touch) and tapping, and contribute to elucidate the mechanisms underlying hedonic tactile perception. PMID- 29214392 TI - Modulation of specific inhibitory networks in fatigued locomotor muscles of healthy males. AB - Reduced maximal force capability of skeletal muscle, as a consequence of exercise, can be due to peripheral or central fatigue mechanisms. In upper-limb muscles, neuromuscular fatigue is concurrent with reduced corticospinal excitability and increased inhibition (lengthened corticospinal silent period [CSP]; reduced short-interval intracortical inhibition [SICI] ratio). However, it is unclear whether these adjustments occur in response to fatiguing exercise of locomotor muscles. This study examined the effect of fatiguing, maximal, knee extensor exercise on motor cortical excitability and inhibition. Thirteen males performed three 30-s maximal, isometric contractions with the dominant knee extensors (MVC1, MVC2 and MVC3), separated by 60 s. At the end of, and between each MVC, neuromuscular fatigue, corticospinal excitability, CSP and SICI were assessed with supramaximal stimulation of the femoral nerve, and motor cortical stimulation, respectively. Repeated MVCs caused progressive reductions in MVC (- 10, - 24 and - 29%, respectively, P <= 0.01), along with significant peripheral (reductions in potentiated twitch of - 23, -53 and - 60%, respectively, P < 0.001) and central (reductions in VA of - 10% and - 13% post-MVC2 and 3, respectively, P <= 0.01) fatigue. Following MVC1 corticospinal excitability was reduced, and remained depressed thereafter. CSP increased in duration and remained longer throughout the protocol; whereas, no change in SICI was observed. Repeated, sustained, maximal contractions of the knee-extensors elicited substantial peripheral and central fatigue that was accompanied by a concomitant reduction in corticospinal excitability. However, divergent responses exist between inhibitory networks within the motor cortex, the activity of inhibitory networks mediated by GABAB are increased, whereas those mediated by GABAA are not. PMID- 29214393 TI - Synthesis and analytical characterization of new thiazol-2-(3H)-ones as human neutrophil elastase (HNE) inhibitors. AB - Human neutrophil elastase (HNE) is a potent serine protease belonging to the chymotrypsin family and is involved in a variety of pathologies affecting the respiratory system. Thus, compounds able to inhibit HNE proteolytic activity could represent effective therapeutics. We present here the synthesis of new thiazol-2-(3H)-ones as an elaboration of potent HNE inhibitors with an isoxazol-5 (2H)-one scaffold that we recently identified. Two-dimensional NMR spectroscopic techniques and tandem mass spectrometry allowed us to correctly assign the structure of the final compounds arising from both tautomers of the thiazol-2 (3H)-one nucleus (N-3 of the thiazol-2-(3H)-one and 3-OH of the thiazole). All new compounds were tested as HNE inhibitors, and no activity was found at the highest concentration used (40 uM), demonstrating that the thiazol-2-(3H)-one is not a good scaffold for HNE inhibitors. Molecular modelling experiments indicate that the low-energy pose might limit the nucleophilic attack on the endocyclic carbonyl group of the thiazolone-based compounds by HNE catalytic Ser195, in contrast to isoxazol-5-(2H)-one analogues. PMID- 29214394 TI - Serious Adverse Events Associated with Anti-Tumor Necrosis Factor Alpha Agents in Pediatric-Onset Inflammatory Bowel Disease and Juvenile Idiopathic Arthritis in A Real-Life Setting. AB - OBJECTIVES: Anti-tumor necrosis factor alpha (anti-TNF-alpha) agents are generally well tolerated, yet they can be associated with serious adverse events (SAEs) in a minority of patients. We examined the incidence of SAEs in a pediatric referral center for chronic rheumatologic and gastroenterological inflammatory disorders. METHODS: Retrospective analysis of SAEs occurring during treatment with anti-TNF-alpha agents in patients with juvenile idiopathic arthritis (JIA) (n = 78) or pediatric-onset inflammatory bowel disease (IBD) (n = 105) seen at the Institute for Maternal and Child Health IRCCS "Burlo Garofolo" in Trieste, Italy, between June 2001 and February 2016. Only SAEs grade 3-5 according to the Common Terminology Criteria for Adverse Events version 4.03 and/or requiring definitive therapy discontinuation were reported. RESULTS: Total anti-TNF-alpha exposure was 390.5 patient-years (PYs). The overall incidence rate of SAEs for etanercept was 4.14/100 PYs. Four patients developed uveitis, two had anxiety disorders, one had a serious zoster infection, and one developed TNF alpha antagonist-induced lupus-like syndrome (TAILS). The overall incidence rate of SAEs for infliximab was 22.49/100 PYs. The most common SAEs were anaphylactoid reactions (n = 18), followed by infectious events (n = 9) and TAILS (n = 3). The overall incidence rate of SAEs for adalimumab was 4.71/100 PYs (two infectious SAEs). No malignancies or deaths were observed. A greater incidence rate of infectious SAEs was observed in IBD patients receiving infliximab compared to JIA patients receiving etanercept (8.11 vs 0.52 per 100 PYs). CONCLUSIONS: Anti-TNF alpha therapy was generally well tolerated. SAEs leading to anti-TNF-alpha discontinuation were rare and non-fatal. Infliximab was associated with the highest incidence of SAEs. Infectious SAEs were more frequently observed in IBD patients treated with infliximab than in JIA patients receiving etanercept. PMID- 29214396 TI - Triple management of cubitus valgus deformity complicating neglected nonunion of fractures of lateral humeral condyle in children: a case series. AB - BACKGROUND: Long standing nonunion of the lateral humeral condyle (LHC) usually results in elbow pain and instability with progressive cubitus valgus and tardy ulnar neuritis. Surgical treatment of long standing nonunion is still a controversial issue due to the reported complications, such as stiffness, loss of elbow motion, and avascular necrosis of the LHC fragment. In this study, we reported the outcomes of treatment of cubitus valgus deformity in long standing nonunion of the LHC in children treated with combined triple management (fixation of the nonunion site, dome corrective osteotomy, and anterior transposition of ulnar nerve) through a modified para-triceptal approach. METHODS: We evaluated ten patients with cubitus valgus deformity more than 20 degrees after neglected nonunion of the lateral humeral condyle more than 24 months. Only childern with post-operative follow up more than 24 months were included in this study. All patients were evaluated clinically, radio logically, and by pre- and post operative functional evaluation using Mayo elbow performance score. For evaluation of ulnar nerve affection, the Akahori's system was used. RESULTS: There were six females and four males with the average age of 7.7 years at operation. The left elbow was affected in six patients and the right elbow was affected in four patients. The average time between fracture of the LHC and operation was 40.3 months with average post-operative follow up of 44.3 months. The average carrying angle of the healthy side was 5.5 degrees and pre-operative carrying angle of the affected side was 33.5 degrees. The average post-operative carrying angle of the affected side was 6.1 degrees. The improvement of the carrying angle at the last follow up was found statistically significant (p < 0.05). All six patients that had pre-operative various degrees of ulnar nerve affection had completely improved at last follow up. The osteotomy site united in an average time of 43 days, whereas the LHC nonunion site united in an average time of 77.2 days. The osteotomy site united in significantly less time than the LHC non-union site (p < 0.05). The correlation between time since injury and time of union of LHC non-union site was significant (p < 0.05). Post-operative elbow range of motion was not changed in five patients, slightly decreased in four patients, and increased in one patient. Three patients had an average 6.7 degrees (range; 5-10) loss of the last degrees of flexion. One patient developed extension lag of 10 degrees. The mean elbow range of motion (ROM) pre-operatively was 139 +/- 4.6 degrees while the mean post-operative ROM was 138 +/- 5.3 degrees. The difference was found to be statistically insignificant (p > 0.05). The mean pre-operative Mayo elbow performance score was poor 55 +/- 9.7, four patients had fair score, and six had poor score. The mean post-operative Mayo elbow performance score was excellent 92.5 +/- 10, six patients had excellent score, and four had good score. The improvement of the Mayo score at the last follow up was found to be statistically significant (p < 0.05). No intra operative complications were recorded during any of the procedures and no patient developed a wound or pin track infection post-operatively. At the last follow up, none of the patients had developed avascular necrosis of the LHC. CONCLUSION: Preservation of the blood supply of the nonunited fragment is the key to successful management. This combined technique successfully addresses different aspects of the problem simultaneously and provides a durable solution without deterioration of the results over time. The para-triceptal approach provided excellent exposure of both sides of the elbow with minimal disruption of the triceps muscle. PMID- 29214395 TI - Pharmacological Management of Hereditary Angioedema with C1-Inhibitor Deficiency in Pediatric Patients. AB - Hereditary angioedema with C1-inhibitor deficiency (C1-INH-HAE) is a form of bradykinin-mediated angioedema. It is a rare disorder with an onset during childhood in most instances. Therefore, familiarity with the options for the management of pediatric cases is indispensable. The recurrent angioedematous episodes do not respond to conventional treatments and may evolve into a life threatening condition. In view of the recommendations adopted by international consensus in 2016, patient management and follow-up should be guided by an individualized strategy. During the last decade, various medicinal products with novel modes of action and different posology have been developed for the treatment of C1-INH-HAE. These drugs either inhibit the release of bradykinin (plasma-derived C1-inhibitors, recombinant C1-inhibitors, kallikrein inhibitors) or prevent the released bradykinin from binding to its receptor (bradykinin B2 receptor antagonists). This review summarizes the properties of the medicinal products currently available for the treatment of C1-INH-HAE, the indications for their use in pediatric patients, and the findings of the clinical trials conducted in this patient population. It is concluded by a brief outline of future therapeutic options. PMID- 29214397 TI - Xanthine oxidase and uric acid as independent predictors of albuminuria in patients with diabetes mellitus type 2. AB - Xanthine oxidase (XO) is an important enzyme responsible for conversion of purine bases to uric acid and represents the major source of reactive oxygen species (ROS) production in circulation. Since pathophysiological mechanism of the relationship between XO activity and urinary albumin excretion (UAE) rate is not well elucidated, we aimed to investigate this association in patients with diabetes mellitus type 2 (DM2). In addition, we wanted to examine whether uric acid itself plays an independent role in albuminuria onset and progression, or it is only mediated through XO activity. A total of 83 patients with DM2 (of them 56.6% females) were included in this cross-sectional study. Anthropometric, biochemical parameters and blood pressure were obtained. Multivariate logistic regression analysis showed that uric acid and XO were the independent predictors for albuminuria onset in patients with DM2 [odds ratio (OR) 1.015, 95% CI (1.008 1.028), p = 0.026 and OR 1.015, 95% CI (1.006-1.026), p = 0.040, respectively]. Rise in uric acid for 1 umol/L enhanced the probability for albuminuria by 1.5%. Also, elevation in XO activity for 1 U/L increased the probability for albuminuria for 1.5%. A total of 66.7% of variation in UAE could be explained with this Model. Both XO and uric acid are independently associated with albuminuria in diabetes. Better understanding of pathophysiological relationship between oxidative stress and albuminuria could lead to discoveries of best pharmacological treatment of XO- and/or uric acid-induced ROS, in order to prevent albuminuria onset and progression. PMID- 29214399 TI - Preservation of motor maps with increased motor evoked potential amplitude threshold in RMT determination. AB - OBJECTIVE: Non-invasive pre-surgical mapping of eloquent brain areas with navigated transcranial magnetic stimulation (nTMS) is a useful technique linked to the improvement of surgical planning and patient outcomes. The stimulator output intensity and subsequent resting motor threshold determination (rMT) are based on the motor-evoked potential (MEP) elicited in the target muscle with an amplitude above a predetermined threshold of 50 MUV. However, a subset of patients is unable to achieve complete relaxation in the target muscles, resulting in false positives that jeopardize mapping validity with conventional MEP determination protocols. Our aim is to explore the feasibility and reproducibility of a novel mapping approach that investigates how an increase of the MEP amplitude threshold to 300 and 500 MUV affects subsequent motor maps. MATERIALS AND METHODS: Seven healthy subjects underwent motor mapping with nTMS. RMT was calculated with the conventional methodology in conjunction with experimental 300- and 500-MUV MEP amplitude thresholds. Motor mapping was performed with 105% of rMT stimulator intensity using the FDI as the target muscle. RESULTS: Motor mapping was possible in all patients with both the conventional and experimental setups. Motor area maps with a conventional 50-MUV threshold showed poor correlation with 300-MUV (alpha = 0.446, p < 0.001) maps, but showed excellent consistency with 500-MUV motor area maps (alpha = 0.974, p < 0.001). MEP latencies were significantly less variable (23 ms for 50 MUV vs. 23.7 ms for 300 MUV vs. 23.7 ms for 500 MUV, p < 0.001). A slight but significant increase of the electric field (EF) value was found (EF: 60.8 V/m vs. 64.8 V/m vs. 66 V/m p < 0.001). CONCLUSION: Our study demonstrates the feasibility of increasing the MEP detection threshold to 500 MUV in rMT determination and motor area mapping with nTMS without losing precision. PMID- 29214400 TI - Vasomodulatory effects of the angiotensin II type 1 receptor antagonist losartan on experimentally induced cerebral vasospasm after subarachnoid haemorrhage. AB - BACKGROUND: Cerebral vasospasm following subarachnoid haemorrhage (SAH) remains one of the major factors contributing to poor overall patient outcome. Prostaglandin F2-alpha (PGF2a) induces vasoconstriction. After SAH, PGF2a leads to cerebral inflammation and enhanced vasoconstriction, resulting in cerebral vasospasm. Losartan is already known to have beneficial effects in stroke models and also on several cerebral inflammatory processes. Therefore, the aim of the study was to analyse the effect of losartan on PGF2a-enhanced vasoconstriction after SAH. METHODS: To investigate the effect of losartan on PGF2a-enhanced vasoconstriction after SAH, cerebral vasospasm was induced by a double haemorrhage model. Rats were killed on day 3 and 5 after SAH followed by measurement of the isometric force of basilar artery ring segments in an organ bath. RESULTS: PGF2a induced a dose-dependent contraction. After pre-incubation with losartan, the maximum contraction (Emax) for sham-operated animals was significantly lowered [Emax 6% in losartan 3 * 10-4 molar (M) vs. 56% without losartan]. Also, after induced SAH, PGF2a induced no vasoconstriction in pre incubated vessels with losartan 3 * 10-4 M on day 3 (d3) as well as on day 5 (d5). For the vasorelaxative investigations, vessel segments were pre-incubated with PFG2a. Cumulative application of losartan completely resolved the pre contraction in sham-operated animals (non SAH: 95% relaxation). After SAH, losartan not only resolved the pre-contraction (d5: 103%), but also exceeded the pre-contraction (d3: 119%). Therefore, a statistically significantly increased and earlier relaxation was calculated for all losartan concentrations [Emax (d3/d5) and pD2 (d3/d5)] compared with the solvent control group. CONCLUSION: In a physiological and pathophysiological setup, losartan reduces a PGF2-induced vasoconstriction and reverses a PGF2a-precontraction completely. This fact can be integrated in pushing forward further concepts trying to antagonise/prevent cerebral vasospasm after SAH. PMID- 29214401 TI - Predictors of surgical outcomes for severe cubital tunnel syndrome: a review of 146 patients. AB - BACKGROUND: Full recovery is unlikely for severe cubital tunnel syndrome, and prognostic factors remain uncertain. We aimed to identify predictors of surgical outcome for these patients. METHODS: One hundred forty-six patients with McGowan grade III cubital tunnel syndrome were evaluated retrospectively with a minimum follow-up of 2 years. All patients underwent either in situ decompression or subcutaneous transposition. The primary outcome measure was postoperative McGowan grade. Predictors included age, sex, dominant hand, disease duration, diabetes mellitus, smoking, alcohol, surgical procedure, follow-up time and preoperative electrophysiological data. Spearman's rank correlation and ordinal logistic regression model were used to assess the effect of independent variables on the postoperative McGowan grade. RESULTS: At the last follow-up, improvement by at least one McGowan grade was reached in 118 cases (80.8%), and complete recovery was achieved in 40 hands (27.4%), while 28 extremities (19.2%) remained at grade III. Older age [per 10-year increase, odds ratio (OR) 2.10; 95% confidence interval (95% CI) 1.55-2.84, p < 0.001], longer disease duration (per 1-year increase, OR 1.31; 95% CI 1.16-1.49, p < 0.001), absent sensory nerve conduction (OR 2.55; 95% CI 1.25-5.21, p = 0.010) and shorter postoperative follow-up (per 1 year increase, OR 0.76; 95% CI 0.65-0.90, p = 0.001) were associated with a higher postoperative McGowan grade. CONCLUSION: Significant improvement but not complete recovery could be expected following in situ decompression or subcutaneous transposition for severe cubital tunnel syndrome. Older age, longer disease duration, absent sensory nerve conduction and shorter postoperative follow-up are independent predictors of worse outcomes. PMID- 29214402 TI - Decision-making and neurosurgeons' agreement in the management of aneurysmal subarachnoid haemorrhage based on computed tomography angiography. AB - BACKGROUND: To determine the neurosurgeon's agreement in aneurysmal subarachnoid haemorrhage (aSAH) management with special emphasis on the rater's level of experience. A secondary aim was to analyse potential aneurysm variables associated with the therapeutic recommendation. METHOD: Basic clinical information and admission computed tomography angiography (CTA) images of 30 consecutive aSAH patients were provided. Twelve neurosurgeons independently evaluated aneurysm characteristics and gave recommendations regarding the emergency management and aneurysm occlusion therapy. Inter-rater variability and predictors of treatment recommendation were evaluated. RESULTS: There was an overall moderate agreement in treatment decision [kappa = 0.43; 95% confidence interval ((CI), 0.387-0.474] with moderate agreement for surgical (kappa = 0.43; 95% CI, 0.386-0.479) and endovascular treatment recommendation (kappa = 0.45; 95% CI, 0.398-0.49). Agreement on detailed treatment recommendations including clip, coil, bypass, stent, flow diverter and ventriculostomy was low to moderate. Inter rater agreement did not significantly differ between residents and consultants. Middle cerebral artery (MCA) aneurysm location was a positive predictor of surgical treatment [odds ratio (OR), 49.57; 95% CI, 10.416-235.865; p < 0.001], while patients aged >65 years (OR, 0.12; 95% CI, 0.03-0.0434; p = 0.001), fusiform aneurysm type (OR, 0.18; 95% CI, 0.044-0.747; p = 0.018) and intracerebral haematoma (ICA) aneurysm location (OR, 0.24; 95% CI, 0.088-0.643; p = 0.005) were associated with a recommendation for endovascular treatment. CONCLUSIONS: Agreement on aSAH management varies considerably across neurosurgeons, while therapeutic decision-making is challenging on an individual patient level. However, patients aged >65 years, fusiform aneurysm shape and ICA location were associated with endovascular treatment recommendation, while MCA aneurysm location remains a surgical domain in the opinion of neurosurgeons without formal endovascular training. PMID- 29214403 TI - Executive functioning, academic skills, and quality of life in pediatric patients with brain tumors post-proton radiation therapy. AB - Radiation therapy (RT) is integral in the treatment of pediatric brain tumors; however, photon RT (XRT) often results in intellectual decline, executive functioning (EF) deficits, academic underachievement/failure, and lower health related quality of life (HRQoL). Proton RT (PRT) provides more targeted therapy, minimizing damage to the developing brain, yet few studies have examined its neuropsychological effects. This study investigated the role of EF in academic skills and HRQoL in a sample of children treated with PRT. A mediation model was proposed in which academic skills mediated relations between aspects of EF and school-based HRQoL (sHRQoL). Sixty-five children (xage = 12.4; 43.9% male) treated with PRT completed follow-up neuropsychological testing as part of routine care. Measures included assessment of intellectual functioning, EF, attention, and academic skills (reading, math, spelling). Parents reported on children's EF and attention problems. sHRQoL was assessed via child self-report. Children who underwent PRT demonstrated relatively intact intelligence, academics, attention, EF, and sHRQoL, but were at risk for reduced processing speed. Poorer working memory and processing speed were related to lower sHRQoL. Better EF and faster processing speed were associated with better academic skills, which were linked to higher sHRQoL. Better working memory was associated with better math performance, which was linked to higher sHRQoL; this relationship did not hold for reading or spelling. Results highlight the importance of EF skills in academic performance and sHRQoL, and the need for routine screening of EF deficits and proactive supports. Supports may include cognitive rehabilitation and in-class accommodations. Overall, results compare favorably to XRT outcomes reported in the literature. PMID- 29214404 TI - The 19S proteasome regulates subtelomere silencing and facultative heterochromatin formation in fission yeast. AB - Accumulating evidence shows that non-proteolytic functions of the proteasome are as crucial as its well-known proteolytic function in regulating cellular activities. In our recent work, we showed that the 19S proteasome mediates the heterochromatin spreading of centromeric heterochromatin in non-proteolytic manner. However, the involvement of the proteasome in other heterochromatin regions remained largely unknown. In the present study, we investigated the non proteolytic role of the 19S proteasome in subtelomere and facultative heterochromatin regions. Using the non-proteolytic mutant, rpt4-1, we show that the 19S proteasome is involved in regulating subtelomere silencing and facultative heterochromatin formation in fission yeast. In addition to this proteasome-related regulation, we also observed a distinct pathway that regulates subtelomere silencing and facultative heterochromatin formation through the Paf1 complex subunit, Leo1. Our comparison of the two pathways revealed a new group of heterochromatin domains that are regulated exclusively by the proteasome pathway. Taken together, our findings reveal that the proteasome is involved in the global regulation of facultative and constitutive heterochromatin. PMID- 29214405 TI - Spiritual Well-Being and Its Relationship with Mindfulness, Self-Compassion and Satisfaction with Life in Baccalaureate Nursing Students: A Correlation Study. AB - The present study aimed to explore the correlates and predictors of spiritual well-being among nursing students. One hundred and forty-five BSc nursing students were recruited from three nursing colleges in Bangalore, Karnataka, India. Data were collected using SHALOM, FMI, SCS-SF and SWLS questionnaires and analysed by the Pearson correlation test and multiple regression analysis. The results of our study revealed a significant correlation between variables, and a considerable amount of variance was explained by self-compassion, mindfulness and satisfaction with life on personal, communal, environmental and transcendental domains of spiritual well-being. PMID- 29214406 TI - Exogenous gene can be expressed by a recombinant Bombyx mori cypovirus. AB - Bombyx mori cypovirus (BmCPV) is one of the major viral pathogen for silkworm, and the genome of BmCPV is composed of 10 dsRNA segments. As construction system of recombinant BmCPV (rBmCPV) is scanty, researchers achieved little progress in studying gene function of BmCPV in recent decades. Here, 10 recombinant plasmids with a full-length cDNA of viral genome segments S1-S10 containing T7 promoter were constructed. After cotransfecting the BmN cells with the mixture of 10 in vitro-transcribed RNAs, pathological changes were observed. Real-time PCR and Western blot showed viral gene vp1 and structural proteins were expressed. It is found the genome of the rBmCPV is composed of 10 dsRNA segments similar to those of wild-type BmCPV. Moreover, viral particles and polyhedron with virions can be generated in the cotransfected cells and the injected silkworm midguts. These findings confirmed the formation of infective rBmCPV. Additionally, we found viable rBmCPV was generated by cotransfecting the mixture of in vitro-transcribed S1-S9 RNAs into the cultured cells, confirming polh was not essential for BmCPV replication. Moreover, an infectious rBmCPV expressing the DsRed protein was constructed based on this system. Further investigation showed S2 and S7 segments are indispensible for viral proliferation. Our findings demonstrated the construction system of rBmCPV can be utilized for exploring viral replication and pathogenesis, and investigated method for constructing rBmCPV will certainly facilitate developing novel biopesticides and expressing exogenous gene in the midgut of silkworm. PMID- 29214407 TI - Clinical features and pathogenesis of membranoproliferative glomerulonephritis: a nationwide analysis of the Japan renal biopsy registry from 2007 to 2015. AB - BACKGROUND: The incidence and age distribution of membranoproliferative glomerulonephritis (MPGN) vary throughout the world by race and ethnicity. We sought to evaluate the clinical features, pathogenesis, and age distribution of MPGN among a large nationwide data from the Japan Renal Biopsy Registry (J-RBR). METHODS: A cross-sectional survey of 593 patients with MPGN (types I and III) registered in the J-RBR between 2007 and 2015 was conducted. Clinical parameters, and laboratory findings at diagnosis were compared between children (< 20 years), adults (20-64 years), and elderly patients (>= 65 years). RESULTS: The median age of the patients was 59.0 years and mean proteinuria was 3.7 g/day. The rate of nephrotic syndrome was significantly higher in adults (40.4%) and elderly patients (54.0%) than in children (14.9%), whereas the rate of chronic glomerulonephritis was significantly higher in children (66.2%) than in adults (34.4%) and elderly patients (31.2%). According to the CGA risk classification, high-risk (red zone) cases accounted for 3.4% of children, 52.5% of adults and 84.1% of elderly patients with MPGN. As for pathogenesis, primary MPGN was most frequent (56.0%). Lupus nephritis was the most common disease among adult patients with secondary MPGN, whereas infectious disease was more common in elderly patients. Multiple regression analysis revealed that high systolic blood pressure and high proteinuria were independent factors associated with decreased estimated glomerular filtration rate (eGFR) in adults and elderly patients with MPGN. CONCLUSIONS: In Japan, adults and elderly patients with MPGN had a lower eGFR and severer proteinuria than children. PMID- 29214408 TI - Anticipated HIV Stigma and Delays in Regular HIV Testing Behaviors Among Sexually Active Young Gay, Bisexual, and Other Men Who Have Sex with Men and Transgender Women. AB - Young gay, bisexual and other men who have sex with men (YGBMSM) and young transgender women are disproportionately affected by HIV/AIDS. The success of biomedical prevention strategies is predicated on regular HIV testing; however, there has been limited uptake of testing among YGBMSM and young transgender women. Anticipated HIV stigma-expecting rejection as a result of seroconversion- may serve as a significant barrier to testing. A cross-sectional sample of YGBMSM (n = 719, 95.5%) and young transgender women (n = 33, 4.4%) ages 15-24 were recruited to participate in a one-time survey. Approximately one-third of youth had not tested within the last 6 months. In a multivariable model, anticipated HIV stigma and reporting a non-gay identity were associated with an increased odds of delaying regular HIV testing. Future research and interventions are warranted to address HIV stigma, in order to increase regular HIV testing among YGBMSM and transgender women. PMID- 29214409 TI - Strategies to Implement Pre-exposure Prophylaxis with Men Who Have Sex with Men in Ukraine. AB - Ukrainian men who have sex with men (MSM) remain highly stigmatized group with HIV prevalence as high as 23%. Despite documented effectiveness of pre-exposure prophylaxis (PrEP), PrEP remains unavailable in Ukraine. The aim of this study was to elicit MSM preferences in order to inform program development to facilitate successful delivery of PrEP to Ukrainian MSM. 1184 MSM were recruited through social networking applications to complete a stated preference (choice based conjoint) survey. Respondents completed 14 choice tasks presenting experimentally-varied combinations of five attributes related to PrEP administration (dosing frequency, dispensing venue, prescription practices, adherence support, and costs). Latent class analysis was used to estimate the relative importance of each attribute and preferences across nine possible PrEP delivery programs. Preferences clustered into five groups. PrEP affordability was the most influential attribute across groups, followed by dosing strategy. Only one group preferred injectable PrEP (n = 216), while the other four groups disliked daily PrEP and strongly preferred the 'on demand' option. One group (n = 258) almost exclusively considered cost in their decision making. One group (n = 151) had very low level of interest in PrEP initiation correlated with low self perceived risk for HIV. The two most at-risk groups (n = 415) were also more sensitive to changes in program delivery. PrEP uptake among MSM is most likely to be successful when PrEP is affordable, its implementation is targeted, provided as "on-demand" with associated education, and when more thorough medical care and related testing is provided to at-risk populations. Its introduction will need affirmation by the Ukrainian government, and guidelines that reflect safety, efficacy, and patient preferences. PMID- 29214410 TI - A Cross-Sectional Study of Depressive Symptoms and Risky Alcohol Use Behaviors Among HIV Primary Care Patients in New York City. AB - An association between problem drinking and depression among HIV-infected individuals has been previously demonstrated; however, which specific risky drinking behaviors are associated with higher levels of depression has not yet been investigated. Using an adult sample of HIV-infected primary care patients (78% male, 94% Black or Hispanic), we investigated whether depressive symptoms are associated with various risky drinking behaviors. Participants were administered the Beck Depression Inventory-II to assess depressive symptoms, and the Alcohol Use Disorders and Associated Disabilities Interview Schedule-IV to evaluate alcohol involvement. Participants with depressive symptoms (26%) were at higher risk for alcohol dependence [adjusted odds ratio (AOR) 3.8; 95% CI 2.0 7.2], regular binge drinking (AOR 2.0; 95% CI 1.1-3.8), and regular daytime drinking (AOR 2.1; 95% CI 1.2-3.8), in comparison with their non-depressed counterparts. Because both depression and unhealthy drinking negatively affect medication adherence and clinical outcomes, a better understanding of the association between depression and certain risky drinking behaviors among HIV infected individuals is vital to improving their care and prognoses. PMID- 29214411 TI - Correction to: 'Test and Treat' Among Women at High Risk for HIV-Infection in Kampala, Uganda: Antiretroviral Therapy Initiation and Associated Factors. AB - The original version of this article unfortunately contained an error. The incorrect range should be replaced in the in the second sentence of the Introduction section. The correct sentence should read as: These key populations and their sexual partners account for 10-51% of new infections in sub-Saharan Africa (SSA) [6-8]. The original article has been corrected. PMID- 29214412 TI - Gestational age at birth and risk of intellectual disability without a common genetic cause. AB - Preterm birth is linked to intellectual disability and there is evidence to suggest post-term birth may also incur risk. However, these associations have not yet been investigated in the absence of common genetic causes of intellectual disability, where risk associated with late delivery may be preventable. We therefore aimed to examine risk of intellectual disability without a common genetic cause across the entire range of gestation, using a matched-sibling design to account for unmeasured confounding by shared familial factors. We conducted a population-based retrospective study using data from the Stockholm Youth Cohort (n = 499,621) and examined associations in a nested cohort of matched outcome-discordant siblings (n = 8034). Risk of intellectual disability was greatest among those born extremely early (adjusted OR24 weeks = 14.54 [95% CI 11.46-18.44]), lessening with advancing gestational age toward term (aOR32 weeks = 3.59 [3.22-4.01]; aOR37weeks = 1.50 [1.38-1.63]); aOR38 weeks = 1.26 [1.16-1.37]; aOR39 weeks = 1.10 [1.04-1.17]) and increasing with advancing gestational age post-term (aOR42 weeks = 1.16 [1.08-1.25]; aOR43 weeks = 1.41 [1.21-1.64]; aOR44 weeks = 1.71 [1.34-2.18]; aOR45 weeks = 2.07 [1.47-2.92]). Associations persisted in a cohort of matched siblings suggesting they were robust against confounding by shared familial traits. Risk of intellectual disability was greatest among children showing evidence of fetal growth restriction, especially when birth occurred before or after term. Birth at non optimal gestational duration may be linked causally with greater risk of intellectual disability. The mechanisms underlying these associations need to be elucidated as they are relevant to clinical practice concerning elective delivery around term and mitigation of risk in post-term children. PMID- 29214413 TI - New cancer cases in France in 2015 attributable to infectious agents: a systematic review and meta-analysis. AB - To provide an assessment of the burden of cancer in France in 2015 attributable to infectious agents. A systematic literature review in French representative cancer cases series was undertaken of the prevalence of infectious agents with the major associated cancer types. PubMed was searched for original studies published up to September 2016; random-effects meta-analyses were performed. Cancer incidence data were obtained from the French Cancer Registries Network, thereby allowing the calculation of national incidence estimates. The number of new cancer cases attributable to infectious agents was calculated using population-attributable fractions according to published methods. Of the 352,000 new cancer cases in France in 2015, 14,336 (4.1% of all new cancer cases) were attributable to infectious agents. The largest contributors were human papillomavirus (HPV) and Helicobacter pylori, responsible for 6333 and 4406 new cancer cases (1.8 and 1.3% of all new cancer cases) respectively. Infectious agents caused a non-negligible number of new cancer cases in France in 2015. Most of these cancers were preventable. The expansion of vaccination (i.e., for hepatitis B virus and HPV) and screen-and-treat programs (for HPV and hepatitis C virus, and possibly for H. pylori) could greatly reduce this cancer burden. PMID- 29214414 TI - Understanding the need for assistance with survey completion in people with Huntington disease. AB - PURPOSE: In Huntington disease (HD), motor, cognitive, and psychiatric changes can have a detrimental impact on health-related quality of life (HRQOL). The purpose of this paper is to describe the extent and type of assistance needed to complete online HRQOL surveys, and the impact of assistance on HRQOL scores. METHODS: A patient-reported outcome measurement system was developed for HD specific HRQOL. Individuals across the prodromal and diagnosed disease severity spectrum (n = 532) completed surveys by computer, and reported the amount and type of assistance they received. RESULTS: Some participants (n = 56; 10.5%) did not complete all surveys; this group had larger proportions with late stage disease, racial/ethnic minority status, low education and single marital status, and poorer motor, independence and cognitive function compared to those who completed all surveys (n = 476). Overall, 72% of individuals did not receive assistance, 11% received computer assistance only, and 17% received assistance answering the survey questions. The majority of late stage individuals (78%) received some assistance compared to early stage (29%) and prodromal individuals (< 1%). Those who received assistance had higher proportions with late stage disease, were older, had less education, and had poorer functional and cognitive skills. Before and after adjustment for sociodemographic and clinical characteristics, those who received assistance had poorer scores on some HRQOL outcomes than those who did not receive assistance. CONCLUSIONS: Computer-based assessments are feasible for many persons with HD, although other methods may also be needed. Clinicians and researchers should develop strategies to assist people with HD to complete HRQOL surveys. PMID- 29214415 TI - A multi-center pragmatic, randomized, feasibility trial comparing standard of care schedules of filgrastim administration for primary febrile neutropenia prophylaxis in early-stage breast cancer. AB - INTRODUCTION: The most effective duration of filgrastim as primary febrile neutropenia (FN) prophylaxis in early breast cancer (EBC) patients is unknown. Despite significant differences in cost and toxicity, no prospective trial has been performed to optimize practice. We assessed the feasibility of using a novel pragmatic trial model to compare the most commonly used schedules of filgrastim. METHODS: Early breast cancer patients receiving chemotherapy were randomized to 5, 7, or 10 days of filgrastim as primary FN prophylaxis. The trial methodology integrated broad eligibility criteria, simply defined endpoints, an integrated consent model incorporating oral consent, and web-based randomization in the clinic. Feasibility was reflected through a combination of primary endpoints including patient and physician engagement (if > 50% of appropriate patients approached agree to participate, and if > 50% of physicians approached patients for the study). Secondary endpoints included the first occurrence rates of FN, treatment-related hospital admission, or chemotherapy dose reductions/delays/discontinuation. RESULTS: From May 2015 to August 2016, 142/149 (95.3%) patients approached agreed to participate and were randomized. Seventeen of 24 (70.8%) medical oncologists approached and randomized patients. The 142 patients received a total of 495 cycles of chemotherapy. Aggregate incidences of a first event by patient were FN (8/142, 5.6%), treatment-related hospitalization (6/142, 4.2%), chemotherapy discontinuation (7/142, 4.9%), chemotherapy delays (5/142, 3.5%), and chemotherapy dose reduction (18/142, 12.7%). Overall, 31.7% (45/142) of patients and 9.0% (45/495) of chemotherapy cycles were associated with one of these first events. CONCLUSION: This study met its feasibility endpoints. This novel pragmatic trial approach offers a means of comparing standard of care treatments in a practical and cost-effective manner. The trial will now be expanded to compare rates of FN between the three filgrastim schedules. TRIAL REGISTRATION: ClinicalTrials.gov: NCT02428114. PMID- 29214416 TI - Breast-conserving surgery following neoadjuvant therapy-a systematic review on surgical outcomes. AB - PURPOSE: Neoadjuvant chemotherapy (NACT) is increasingly used in breast cancer treatment. One of the main goals of NACT is to reduce the extent of local surgery of the breast and axilla. The aim of this study was to determine surgical outcomes for patients receiving breast-conserving therapy (BCT) after NACT, including margin status plus secondary surgeries, excision volumes, and cosmetic outcomes. METHODS: A systematic review was performed in accordance with PRISMA principles. Pubmed, MEDLINE, Embase, and the Cochrane Library were searched for studies investigating the results of BCT following NACT. The main study outcomes were margin status, additional local therapies, excision volumes, and cosmetic outcomes. Non-comparative studies on NACT were also included. Exclusion criteria were studies with less than 25 patients, and studies excluding secondary mastectomy patients. FINDINGS: Of the 1219 studies screened, 26 studies were deemed eligible for analysis, including data from 5379 patients treated with NACT and 10,110 patients treated without NACT. Included studies showed wide ranges of tumor-involved margins (2-39.8%), secondary surgeries (0-45.4%), and excision volumes (43.2-268 cm3) or specimen weight (26.4-233 g) after NACT. Most studies were retrospective, with a high heterogeneity and a high risk of bias. Cosmetic outcomes after NACT were reported in two single-center cohort studies. Both studies showed acceptable cosmetic outcomes. INTERPRETATION: There is currently insufficient evidence to suggest that NACT improves surgical outcomes of BCT. It is imperative that clinical trials include patient outcome measures in order to allow monitoring and meaningful comparison of treatment outcomes in breast cancer. PMID- 29214417 TI - Diagnostic and prognostic value of baseline FDG PET/CT skeletal textural features in diffuse large B cell lymphoma. AB - PURPOSE: Our purpose was to evaluate the diagnostic and prognostic value of skeletal textural features (TFs) on baseline FDG PET in diffuse large B cell lymphoma (DLBCL) patients. METHODS: Eighty-two patients with DLBCL who underwent a bone marrow biopsy (BMB) and a PET scan between December 2008 and December 2015 were included. Two readers blinded to the BMB results visually assessed PET images for bone marrow involvement (BMI) in consensus, and a third observer drew a volume of interest (VOI) encompassing the axial skeleton and the pelvis, which was used to assess skeletal TFs. ROC analysis was used to determine the best TF able to diagnose BMI among four first-order, six second-order and 11 third-order metrics, which was then compared for diagnosis and prognosis in disease-free patients (BMB-/PET-) versus patients considered to have BMI (BMB+/PET-, BMB /PET+, and BMB+/PET+). RESULTS: Twenty-two out of 82 patients (26.8%) had BMI: 13 BMB-/PET+, eight BMB+/PET+ and one BMB+/PET-. Among the nine BMB+ patients, one had discordant BMI identified by both visual and TF PET assessment. ROC analysis showed that SkewnessH, a first-order metric, was the best parameter for identifying BMI with sensitivity and specificity of 81.8% and 81.7%, respectively. SkewnessH demonstrated better discriminative power over BMB and PET visual analysis for patient stratification: hazard ratios (HR), 3.78 (P = 0.02) versus 2.81 (P = 0.06) for overall survival (OS) and HR, 3.17 (P = 0.03) versus 1.26 (P = 0.70) for progression-free survival (PFS). In multivariate analysis accounting for IPI score, bulky status, haemoglobin and SkewnessH, the only independent predictor of OS was the IPI score, while the only independent predictor of PFS was SkewnessH. CONCLUSION: The better discriminative power of skeletal heterogeneity for risk stratification compared to BMB and PET visual analysis in the overall population, and more specifically in BMB-/PET- patients, suggests that it can be useful to identify diagnostically overlooked BMI. PMID- 29214418 TI - Choice of desflurane or propofol for the maintenance of general anesthesia does not affect the risk of periprocedural myocardial damage in patients undergoing transfemoral transcatheter aortic valve implantation. AB - PURPOSE: This study aimed to reveal whether the occurrence of periprocedural myocardial damage (PMD) decreases in patients who received volatile anesthetics to maintain general anesthesia compared with those who received propofol during transcatheter aortic valve implantation (TAVI). METHODS: We included one hundred and forty adult patients who underwent transfemoral TAVI under general anesthesia from January 2015 to March 2017 in this single-center retrospective review. We compared the rate of patients who developed PMD between those who received desflurane (Group D, n = 72) and propofol (Group P, n = 68) for anesthetic maintenance. PMD was represented by the peak levels of creatine kinase myocardial band (CK-MB) and troponin I within 72 h following the procedure and defined as an increase >5 times in CK-MB or >15 times in troponin I compared with the institutional upper reference limits. Further analysis was performed to identify the independent predictors of PMD. RESULTS: There was no significant difference in the rate of PMD between groups (Group D 72.2% to Group P 70.6%, P = 0.85) or levels of CK-MB (Group D 7.85 [1.3-72.7] ng/mL to Group P 8.45 [1.8-49.7] ng/mL; P = 0.59) and troponin I (Group D 1.061 [0.050-10.8] ng/mL to Group P 1.214 [0.036-29.0] ng/mL; P = 0.97). The risk of PMD was higher in patients with more intraprocedural blood loss (odds ratio 1.49 per 100 mL, P = 0.048) and lower in those with an implanted permanent pacemaker (odds ratio 0.17; P = 0.02). CONCLUSIONS: Desflurane does not appear to be more cardioprotective than propofol when used for anesthetic maintenance in patients undergoing transfemoral TAVI. PMID- 29214419 TI - Parabolic flight: experiencing zero gravity to envisage the future of human evolution. PMID- 29214420 TI - Aerobic reactions of antitumor active dirhodium(II) tetraacetate Rh2(CH3COO)4 with glutathione. AB - The aerobic reaction between glutathione (H3A) and dirhodium(II) tetraacetate, Rh2(AcO)4 (AcO- = CH3COO-), in aqueous solution (pH 7.4) breaks up the direct RhII-RhII bond and its carboxylate framework, as evidenced by UV-Vis spectroscopy. After purifying the reaction product using size exclusion chromatography, electrospray ionization mass spectrometry (ESI-MS) of the solution showed binuclear [Formula: see text] and [Formula: see text] ions. Evaporation yielded a solid compound, [Formula: see text], for which Rh K-edge extended X-ray absorption fine structure (EXAFS) spectroscopy revealed ~ 2 Rh-O (2.08 +/- 0.02 A) and ~ 4 Rh-S (2.33 +/- 0.02 A) bond distances around each RhIII center, and the RhIII..RhIII distance 3.11 +/- 0.02 A, close to that in dirhodium(III) complexes with three bridging thiolates connecting [Formula: see text] units. The 13C CPMAS NMR spectrum of the RhIII-glutathione complex showed a change ?delta C > 6 ppm in the chemical shift of the COO- signal, indicating some carboxylate coordination to the Rh(III) ions. This study shows that under aerobic conditions glutathione enables oxidation of Rh2(AcO)4 and thus reduces its antitumor efficiency. The reaction of Rh2(AcO)4 with glutathione was investigated by ESI-MS, UV-Vis, 13C NMR and X-ray absorption spectroscopy, revealing that glutathione breaks down the carboxylate framework enabling oxidization of the [Formula: see text] core to Rh(III) dimeric units, bridged by three thiolates. PMID- 29214421 TI - Interpreting Activation Mapping of Atrial Fibrillation: A Hybrid Computational/Physiological Study. AB - Atrial fibrillation is the most common rhythm disorder of the heart associated with a rapid and irregular beating of the upper chambers. Activation mapping remains the gold standard to diagnose and interpret atrial fibrillation. However, fibrillatory activation maps are highly sensitive to far-field effects, and often disagree with other optical mapping modalities. Here we show that computational modeling can identify spurious non-local components of atrial fibrillation electrograms and improve activation mapping. We motivate our approach with a cohort of patients with potential drivers of persistent atrial fibrillation. In a computational study using a monodomain Maleckar model, we demonstrate that in organized rhythms, electrograms successfully track local activation, whereas in atrial fibrillation, electrograms are sensitive to spiral wave distance and number, spiral tip trajectories, and effects of fibrosis. In a clinical study, we analyzed n = 15 patients with persistent atrial fibrillation that was terminated by limited ablation. In five cases, traditional activation maps revealed a spiral wave at sites of termination; in ten cases, electrogram timings were ambiguous and activation maps showed incomplete reentry. By adjusting electrogram timing through computational modeling, we found rotational activation, which was undetectable with conventional methods. Our results demonstrate that computational modeling can identify non-local deflections to improve activation mapping and explain how and where ablation can terminate persistent atrial fibrillation. Our hybrid computational/physiological approach has the potential to optimize map-guided ablation and improve ablation therapy in atrial fibrillation. PMID- 29214422 TI - Emu Oil Improves Clinical Indicators of Disease in a Mouse Model of Colitis Associated Colorectal Cancer. AB - BACKGROUND/AIMS: Ulcerative colitis is a remitting and relapsing inflammatory bowel disorder. Current treatments are limited, and if poorly controlled, colitis may progress to colorectal cancer. Previously, Emu Oil protected the intestine in experimental models of gut damage. We aimed to determine whether Emu Oil could reduce the severity of chronic colitis and prevent the onset of neoplasia in a mouse model of colitis-associated colorectal cancer. METHODS: Female C57BL/6 mice were injected (day 0) with azoxymethane, followed by ad libitum access to three dextran sulfate sodium/water cycles (7 days of dextran sulfate sodium and 14 days of water). Mice (n = 9/group) were orally administered either water or Emu Oil (low dose 80 uL or high dose 160 uL), thrice weekly for 9 weeks. Bodyweight and disease activity index were measured daily. Colitis progression was monitored by colonoscopy on days 20, 41 and 62. At killing, tumor number and size were recorded. RESULTS: Azoxymethane/dextran sulfate sodium induced significant bodyweight loss (maximum 24%) which was attenuated by Emu Oil treatment (low dose days 9, 10, 14: maximum 7%; high dose days 7-15, 30-36: maximum 11%; p < 0.05). Emu Oil reduced disease activity index of azoxymethane/dextran sulfate sodium mice at most time points (maximum 20%; p < 0.05). Additionally, Emu Oil reduced colonoscopically assessed colitis severity (days 20 and 62) compared to disease controls (p < 0.05). Finally, in azoxymethane/dextran sulfate sodium mice, low dose Emu Oil resulted in fewer small colonic tumors (p < 0.05) compared to controls. CONCLUSIONS: Emu Oil improved clinical indicators and reduced severity of colitis-associated colorectal cancer, suggesting therapeutic potential in colitis management. PMID- 29214423 TI - Comparative Analysis of Gene Expression Profiles Involved in Calcium Signaling Pathways Using the NLVH Animal Model of Schizophrenia. AB - In this study, we evaluated the expression profile changes of genes that intervene in the calcium signaling pathway, in young and adult Wistar rats, using the animal model of neonatal lesion in ventral hippocampus (NLVH) (a recognized animal model for schizophrenia) and compared to the group of control animals (Sham). Through microarray technology, gene expression profiles were obtained from the three brain areas (nucleus accumbens, prefrontal cortex, and hippocampus) of young male Wistar rats (45 days) and adults (90 days) whether or not subjected to NLVH. The calcium signaling pathway reported a greater number of differentially expressed genes with z-score two values, > 2 (over-expression) and < - 2 (under-expression), in the three evaluated areas. The comparative analyses of this approach were performed in juvenile and adult rats with ventral hippocampal lesion in neonate rats (NLVH). NLVH influenced change expressions in various genes involved in Ca2+ homeostasis, including Cacna1d, Atp2a2, Adcy2, Ppp3cb, and Ptk2b. The expression of Adcy2, Ppp3cb, and Ptk2b genes changed in both age groups; therefore, the study of gene expression profiles between juvenile and adult rats may help to understand the molecular mechanisms of schizophrenia. PMID- 29214425 TI - Can smartphones be used to bring computer-based tasks from the lab to the field? A mobile experience-sampling method study about the pace of life. AB - Researchers are increasingly using smartphones to collect scientific data. To date, most smartphone studies have collected questionnaire data or data from the built-in sensors. So far, few studies have analyzed whether smartphones can also be used to conduct computer-based tasks (CBTs). Using a mobile experience sampling method study and a computer-based tapping task as examples (N = 246; twice a day for three weeks, 6,000+ measurements), we analyzed how well smartphones can be used to conduct a CBT. We assessed methodological aspects such as potential technologically induced problems, dropout, task noncompliance, and the accuracy of millisecond measurements. Overall, we found few problems: Dropout rate was low, and the time measurements were very accurate. Nevertheless, particularly at the beginning of the study, some participants did not comply with the task instructions, probably because they did not read the instructions before beginning the task. To summarize, the results suggest that smartphones can be used to transfer CBTs from the lab to the field, and that real-world variations across device manufacturers, OS types, and CPU load conditions did not substantially distort the results. PMID- 29214426 TI - A single-level random-effects cross-lagged panel model for longitudinal mediation analysis. AB - Cross-lagged panel models (CLPMs) are widely used to test mediation with longitudinal panel data. One major limitation of the CLPMs is that the model effects are assumed to be fixed across individuals. This assumption is likely to be violated (i.e., the model effects are random across individuals) in practice. When this happens, the CLPMs can potentially yield biased parameter estimates and misleading statistical inferences. This article proposes a model named a random effects cross-lagged panel model (RE-CLPM) to account for random effects in CLPMs. Simulation studies show that the RE-CLPM outperforms the CLPM in recovering the mean indirect and direct effects in a longitudinal mediation analysis when random effects exist in the population. The performance of the RE CLPM is robust to a certain degree, even when the random effects are not normally distributed. In addition, the RE-CLPM does not produce harmful results when the model effects are in fact fixed in the population. Implications of the simulation studies and potential directions for future research are discussed. PMID- 29214424 TI - iTRAQ-based comparative proteomic analysis provides insights into somatic embryogenesis in Gossypium hirsutum L. AB - KEY MESSAGE: iTRAQ based proteomic identified key proteins and provided new insights into the molecular mechanisms underlying somatic embryogenesis in cotton. Somatic embryogenesis, which involves cell dedifferentiation and redifferentiation, has been used as a model system for understanding molecular events of plant embryo development in vitro. In this study, we performed comparative proteomics analysis using samples of non-embryogenic callus (NEC), embryogenic callus (EC) and somatic embryo (SE) using the isobaric tags for relative and absolute quantitation (iTRAQ) technology. In total, 5892 proteins were identified amongst the three samples. The majority of these proteins (93.4%) were found to have catalytic activity, binding activity, transporter activity or structural molecular activity. Of these proteins, 1024 and 858 were differentially expressed in NEC versus EC and EC versus SE, respectively. Compared to NEC, EC had 452 and 572 down- and up-regulated proteins, respectively, and compared to EC, SE had 647 and 221 down- and up-regulated proteins, respectively. KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis indicated that genetic information transmission, plant hormone transduction, glycolysis, fatty acid biosynthesis and metabolism, galactose metabolism were the top pathways involved in somatic embryogenesis. Our proteomics results not only confirmed our previous transcriptomic results on the role of the polyamine metabolic pathways and stress responses in cotton somatic embryogenesis, but identified key proteins important for cotton somatic embryogenesis and provided new insights into the molecular mechanisms underlying somatic embryogenesis in cotton. PMID- 29214428 TI - An Invitation to Pharmacostatics. AB - Pharmacology, the study of interactions between biological processes and therapeutic agents, is traditionally presented as consisting of two subdisciplines: pharmacokinetics, which is about the distribution and metabolism of drugs in organisms, and pharmacodynamics, which is about the organisms' response to drugs. In discovery-stage pharmacology however, one primary concern is what we call pharmacostatics, the characterization of equilibrium parameters and states of core interactions of physiologic and therapeutic interest. This usually takes the form of studying dose-response curves, without consideration for the relevant qualitative properties of the underlying reaction networks, e.g., the existence, multiplicity and asymptotic stability of steady states. Furthermore, steady-state calculations customarily employ manually derived closed form expressions based on approximating assumptions. While these formulas may seem adequate most of the time, the assumptions need not apply, and there are genuine though seemingly uncommon cases where this approach is not feasible and/or fails to explain non-monotone dose-response curves. It is this paper's aim to stimulate interest in mathematical problems arising in pharmacostatics. We specifically pose two problems about a particular relevant class of networks of reversible binding reactions. The first problem is to exploit a certain fixed point formulation of the equilibrium equation to devise an algorithmic method that would be compellingly preferable to current practice in the pharmacostatics context. The second problem is to explicitly anticipate the possibility of non monotone dose-response curves from network topology. Addressing these problems would positively impact biopharmaceutical research, and they have inherent mathematical interest. PMID- 29214427 TI - Characterization of PD-L1 expression in Chinese non-small cell lung cancer patients with PTEN expression as a means for tissue quality screening. AB - The goal of this study is to evaluate PD-L1 prevalence and its association with major clinical characteristics in Chinese non-small cell lung cancer (NSCLC) patients to inform the clinical development of anti-PD1/PD-L1 agents in this population. We used phosphatase and tensin homolog (PTEN) expression through IHC as a surrogate tissue quality marker to screen surgical NSCLC samples in tissue microarray (TMA; 172 cases) or whole-section (268 cases) format. The samples were then analyzed with a clinically validated PD-L1 IHC assay. The results were correlated with baseline characteristics and clinical outcomes. PTEN IHC showed that 108 TMA samples and 105 whole-section samples qualified for PD-L1 IHC. With a clinically relevant cutoff, 41.7% of the TMA samples were PD-L1 positive. PD-L1 level was much lower in EGFR-mutant patients and seemed to be a favorable prognostic factor for both overall survival (OS) and recurrence-free survival (RFS). These findings were confirmed in the whole-section samples except that their survival data were not mature enough for correlation analysis. In summary, PD-L1 expression was detected in approximately 40% of PTEN-qualified Chinese NSCLC samples, negatively correlated with EGFR mutation and seemed to be a favorable prognostic factor for both OS and RFS. Notably, the different results from PTEN-qualified and PTEN-disqualified samples underscore the importance of tissue quality control prior to biomarker testing. PMID- 29214429 TI - Reduction and Stability Analysis of a Transcription-Translation Model of RNA Polymerase. AB - The aim of this paper is to analyze the dynamical behavior of biological models of gene transcription and translation. We focus on a particular positive feedback loop governing the synthesis of RNA polymerase, needed for transcribing its own gene. We write a high-dimension model based on mass action laws and reduce it to a two-variable model (RNA polymerase and its mRNA) by means of monotone system theory and timescale arguments. We show that the reduced model has either a single globally stable trivial equilibrium in (0, 0), or an unstable zero equilibrium and a globally stable positive one. We give generalizations of this model, notably with a variable growth rate. The dynamical behavior of this system can be related to biological observations on the bacterium Escherichia coli. PMID- 29214430 TI - Functional Cause of Dysphagia Improved with Cognitive Behavioural Treatment. PMID- 29214432 TI - John Melissas, MD, PhD, FACS. PMID- 29214431 TI - Establishment and characterization of a kidney cell line from kelp grouper Epinephelus moara. AB - A novel cell line, Epinephelus moara kidney cell line (EMK), was established from kidneys of kelp grouper E. moara. Cells were cultured at 24 degrees C in Leibovitz's L-15 medium (L15) supplemented with antibiotics, basic fibroblast growth factor (bFGF), foetal bovine serum (FBS) and 2-mercaptoethanol (2-ME). EMK cells, fibroblastic in morphology, proliferated to 100% confluency in 3-4 days and were subcultured for over 50 passages. The cells could grow from 18 to 30 degrees C, with optimal growth at 24 degrees C. Chromosome analysis indicated that the modal chromosome number was 48 in the cells at passage 42. Green fluorescent signals could be observed in EMK cells when the cells were transfected with pEGFP-N3 plasmid. Moreover, a significant cytopathic effect (CPE) was observed in the cells after infection with Singapore grouper iridovirus (SGIV) or nervous necrosis virus (NNV), and viral replication was confirmed by quantitative real-time PCR (qPCR). These results suggested the potential of the EMK cell line for studies of transgene and pathogenesis of SGIV and NNV. PMID- 29214433 TI - Overexpression of osteopontin promotes cell proliferation and migration in human nasopharyngeal carcinoma and is associated with poor prognosis. AB - Nasopharyngeal carcinoma (NPC), a malignant tumor at the top and side of the nasopharyngeal cavity, highly occurs in the southern region of China. Cancer cell metastasis is one of the leading causes of death in NPC patients. Osteopontin (OPN), is a phosphorylated extracellular matrix protein with a variety of functions, was found to be overexpressed in many cancers. However, the expression and role of OPN in patients with NPC in Guangxi, China are unclear. Here, we observed that NPC patients had upregulated OPN at mRNA protein and levels. Immunochemistry (IHC) analysis of OPN expression in 68 NPC clinical specimens indicated that high expression of OPN had positive correlation with NPC lymph node metastasis (P = 0.012), distant metastasis (P = 0.001) and TNM staging (P = 0.018). Moreover, compared with relatively low OPN, NPC patients with higher expression of OPN showed a poorer overall survival rate (P = 0.001, log rank test). Multivariate analysis showed that OPN expression in NPC was an independent prognostic marker. The proliferation, apoptosis and migration ability of CEN-2Z cancer cells in NPC were determined by MTT, flow cytometry and wound-healing assays, respectively. Upregulation of OPN in CEN-2Z cancer cells promoted cancer cell proliferation and migration, and suppressed apoptosis. In sum, our result suggests OPN could be used as a valuable oncoprotein and show that overexpression of OPN in NPC may serve as a potential prognostic marker. PMID- 29214434 TI - Risk factors for intraoperative bradycardia during ear, nose, throat and maxillofacial surgery. AB - Intraoperative bradycardia (IOB) is one of the most common cardiac arrhythmias observed in clinical anaesthetic practice. Controlled hypotension, as a strategy of lowering patient's blood pressure during anesthesia has been practiced for decades in head and neck surgery. The aim of our study was to determine the incidence and the risk factors for intraoperative bradycardia in maxillofacial, ear, nose and throat surgery, as well as to determine whether controlled hypotension affects the occurrence of IOB. The retrospective study included 2304 patients who underwent maxillofacial, ear, nose or throat surgery. We studied the influence of: sex, age, comorbidity, type of surgery, duration of anesthesia and controlled hypotension on the occurrence of IOB. IOB was registered in 473 patients (20.5%). Patients with controlled hypotension had IOB significantly more often than patients without controlled hypotension (33.9 vs 15.1%) (p = 0.000). The significant predictors of IOB were: age (OR = 1.158; 95% CI = 1.068-1.256; p = 0.000), sex (OR = 0.786; 95% CI = 0.623-0.993; p = 0.043), ischemic heart disease (OR = 2.016; 95% CI = 1.182-3.441; p = 0.010); ear surgery (OR = 1.593; 95% CI = 1.232-2.060; p = 0.000), anesthesia duration, (OR = 1.006; 95% CI = 1.004-1.007; p = 0.000) and controlled hypotension (OR = 2.204; 95% CI = 1.761 2.758; p = 0.000). IOB is common in maxillofacial, ear, nose and throat surgery, particularly in male, older age and patients with ishemic heart disease. The ear surgery, longer anesthesia duration and controlled hypotension raise the risk for occurrence of IOB. PMID- 29214435 TI - Exploring Lifetime Accumulation of Criminal Justice Involvement and Associated Health and Social Outcomes in a Community-Based Sample of Women who Use Drugs. AB - Among people who use illegal drugs, engagement with the criminal justice (CJ) system often involves an ongoing, intermittent series of arrests, incarcerations, and periods of community supervision. The potential associations between the lifetime accumulation of CJ involvement and social and health outcomes is largely unexplored. In a cross-sectional sample of women who use crack, heroin, and/ or methamphetamine recruited from communities in Oakland, CA (N = 624), we developed an approach to characterize CJ accumulation. We used latent class analysis (LCA), a multivariate person-centered method that assumes an unobserved categorical variable that divides a population into a small number of mutually exclusive and exhaustive classes. Using observed measures of incarceration and community supervision as indicator variables, we developed a model of CJ accumulation that elucidates patterns of involvement as lived by the women in the sample. Based on model fit statistics, we selected a three-class model and labeled the classes "low," "medium," and "high." We then explored associations between the classes of CJ accumulation and health and health-related outcomes using logistic regression. The odds of homelessness (p for trend = 0.004), transience (p for trend = 0.017), and recent victimization (p for trend = 0.023) were higher among women in higher accumulation classes. Higher class of CJ accumulation was associated with higher odds of reporting unmet need for physical health care (p for trend < 0.001) and mental health care (p for trend = 0.002). The odds of physical health conditions, such as hepatitis C infection (p for trend < 0.001) and mental health conditions, such as depression (p for trend = 0.003), also increased with higher class of accumulation. While the findings described here are limited by the cross sectional nature of the study, they suggest that CJ accumulation is a potentially meaningful concept for assessing associations between the CJ system and health related issues. PMID- 29214436 TI - Aggregate Trends of Hepatitis C Virus Identification and Treatment in Maryland Corrections Fiscal Years 2012-2016. PMID- 29214437 TI - Older adults' neural activation in the reward circuit is sensitive to face trustworthiness. AB - We examined older adult (OA) and younger adult (YA) neural sensitivity to face trustworthiness in reward circuit regions, previously found to respond to trustworthiness in YA. Interactions of face trustworthiness with age revealed effects exclusive to OA in the amygdala and caudate, and an effect that was not moderated by age in the dorsal anterior cingulate cortex (dACC). OA, but not YA, showed a nonlinear amygdala response to face trustworthiness, with significantly stronger activation response to high than to medium trustworthy faces, and no difference between low and medium or high. This may explain why an earlier study investigating OA amygdala activation to trustworthiness failed to find a significant effect, since only the linear low versus high trustworthiness difference was assessed. OA, but not YA, also showed significantly stronger activation to high than to low trustworthy faces in the right caudate, indicating a positive linear effect, consistent with previous YA research, as well as significantly stronger activation to high than to medium but not low trustworthy faces in the left caudate, indicating a nonlinear effect. Activation in dACC across both age groups showed a positive linear effect consistent with previous YA research. Finally, OA rated the faces as more trustworthy than did YA across all levels of trustworthiness. Future research should examine whether the null effects for YA were due to our inclusion of older faces. Research also should investigate possible implications of our findings for more ecologically valid OA responses to people who vary in facial trustworthiness. PMID- 29214438 TI - Interactions between top-down and bottom-up attention in barn owls (Tyto alba). AB - Selective attention, the prioritization of behaviorally relevant stimuli for behavioral control, is commonly divided into two processes: bottom-up, stimulus driven selection and top-down, task-driven selection. Here, we tested two barn owls in a visual search task that examines attentional capture of the top-down task by bottom-up mechanisms. We trained barn owls to search for a vertical Gabor patch embedded in a circular array of differently oriented Gabor distractors (top down guided search). To track the point of gaze, a lightweight wireless video camera was mounted on the owl's head. Three experiments were conducted in which the owls were tested in the following conditions: (1) five distractors; (2) nine distractors; (3) five distractors with one distractor surrounded by a red circle; or (4) five distractors with a brief sound at the initiation of the stimulus. Search times and number of head saccades to reach the target were measured and compared between the different conditions. It was found that search time and number of saccades to the target increased when the number of distractors was larger (condition 2) and when an additional irrelevant salient stimulus, auditory or visual, was added to the scene (conditions 3 and 4). These results demonstrate that in barn owls, bottom-up attention interacts with top-down attention to shape behavior in ways similar to human attentional capture. The findings suggest similar attentional principles in taxa that have been evolutionarily separated for 300 million years. PMID- 29214439 TI - A Pharmacometric Approach to Substitute for a Conventional Dose-Finding Study in Rare Diseases: Example of Phase III Dose Selection for Emicizumab in Hemophilia A. AB - BACKGROUND: Emicizumab (ACE910) is a bispecific antibody mimicking the cofactor function of activated coagulation factor VIII. In phase I-I/II studies, emicizumab reduced the bleeding frequency in patients with severe hemophilia A, regardless of the presence of factor VIII inhibitors, at once-weekly subcutaneous doses of 0.3, 1, and 3 mg/kg. METHODS: Using the phase I-I/II study data, population pharmacokinetic and repeated time-to-event (RTTE) modeling were performed to quantitatively characterize the relationship between the pharmacokinetics of emicizumab and reduction in bleeding frequency. Simulations were then performed to identify the minimal exposure expected to achieve zero bleeding events for 1 year in at least 50% of patients and to select the dosing regimens to be tested in phase III studies. RESULTS: The RTTE model adequately predicted the bleeding onset over time as a function of plasma emicizumab concentration. Simulations suggested that plasma emicizumab concentrations of >= 45 MUg/mL should result in zero bleeding events for 1 year in at least 50% of patients. This efficacious exposure provided the basis for selecting previously untested dosing regimens of 1.5 mg/kg once weekly, 3 mg/kg every 2 weeks, and 6 mg/kg every 4 weeks for phase III studies. CONCLUSIONS: A pharmacometric approach guided the phase III dose selection of emicizumab in hemophilia A, without conducting a conventional dose-finding study. Phase III studies with the selected dosing regimens are currently ongoing. This case study indicates that a pharmacometric approach can substitute for a conventional dose-finding study in rare diseases and will streamline the drug development process. PMID- 29214440 TI - MassARRAY-based simultaneous detection of hotspot somatic mutations and recurrent fusion genes in papillary thyroid carcinoma: the PTC-MA assay. AB - PURPOSE: We exploited the MassARRAY (MA) genotyping platform to develop the "PTC MA assay", which allows the simultaneous detection of 13 hotspot mutations, in the BRAF, KRAS, NRAS, HRAS, TERT, AKT1, PIK3CA, and EIF1AX genes, and six recurrent genetic rearrangements, involving the RET and TRK genes in papillary thyroid cancer (PTC). METHODS: The assay was developed using DNA and cDNA from 12 frozen and 11 formalin-fixed paraffin embedded samples from 23 PTC cases, together with positive and negative controls. RESULTS: The PTC-MA assay displays high sensitivity towards point mutations and gene rearrangements, detecting their presence at frequencies as low as 5%. Moreover, this technique allows quantification of the mutated alleles identified at each tested locus. CONCLUSIONS: The PTC-MA assay is a novel MA test, which is able to detect fusion genes generated by genomic rearrangements concomitantly with the analysis of hotspot point mutations, thus allowing the evaluation of key diagnostic, prognostic, and therapeutic markers of PTC in a single experiment without any informatics analysis. As the assay is sensitive, robust, easily achievable, and affordable, it is suitable for the diagnostic practice. Finally, the PTC-MA assay can be easily implemented and updated by adding novel genetic markers, according to clinical requirements. PMID- 29214441 TI - Use of 111In-pentetreotide scintigraphy for diagnosis and management of resistant macroprolactinoma. PMID- 29214442 TI - Shiga toxin triggers endothelial and podocyte injury: the role of complement activation. AB - Shiga toxin (Stx)-producing Escherichia coli (STEC) is the offending agent in post-diarrhea-associated hemolytic uremic syndrome (HUS), a disorder characterized by thrombocytopenia, microangiopathic hemolytic anemia, and acute kidney failure, with thrombi occluding the renal microvasculature. Endothelial dysfunction has been recognized as the trigger event in the development of microangiopathic processes. Glomerular endothelial cells are susceptible to the toxic effects of Stxs that, via nuclear factor kappa B (NF-kappaB) activation, induce the expression of genes encoding for adhesion molecules and chemokines, culminating in leukocyte adhesion and platelet thrombus formation on the activated endothelium. Complement activation via the alternative pathway has been seen in patients during the acute phase of STEC-associated HUS. Experimental evidence has highlighted the role of complement proteins in driving glomerular endothelium toward a thrombogenic phenotype. At the glomerular level, podocytes are also an important target of Stx-induced complement activation. Glomerular injury as a consequence of podocyte dysfunction and loss is thus a mechanism that might affect long-term renal outcomes in the disease. New approaches to targeting the complement system may be useful therapeutic options for patients with STEC HUS. PMID- 29214443 TI - Contribution of symmetric dimethylarginine to GFR decline in pediatric chronic kidney disease. AB - BACKGROUND: In pediatric chronic kidney disease (pCKD), traditional factors (proteinuria, etiology, and race) do not fully explain disease progression. The levels of methylated arginine derivatives (MADs: asymmetric and symmetric dimethylarginine, respectively) rise in CKD and increase with CKD progression. The impact of MADs on glomerular filtration rate (GFR) decline has not been examined in pCKD. The aim of this study was to examine the additive impact of baseline (BL) levels of MADs on directly measured GFR (mGFR) decline per year (ml/min/1.73 m2/year) for a period of up to 4 years. METHODS: Plasma and data, including mGFR by plasma iohexol clearance, were provided by the prospective, observational Chronic Kidney Disease in Children study. BL MADs were analyzed by high-performance liquid chromatography-tandem mass spectrometry. RESULTS: For 352 pCKD subjects, the median [interquartile range] BL mGFR was 45 [35, 57] ml/min/1.73 m2. The levels of BL MADs were inversely related to the initial mGFR and its decline over time (p < 0.0005) but not to the rate of decline. Covariates, non-glomerulopathy and Tanner stage of >= 3 demonstrated weaker relationships between BL levels and beginning mGFR (p = 0.004 and p = 0.002, respectively). CONCLUSIONS: In pCKD, higher concentrations of BL MADs were inversely related to BL mGFR. MADs did not affect the CKD progression rate. Quantification of this relationship is novel to the pCKD literature. PMID- 29214444 TI - The Respiratory Rate: A Neglected Triage Tool for Pre-hospital Identification of Trauma Patients. AB - BACKGROUND: Under-triaged trauma patients have worse clinical outcomes. We evaluated the capability of four pre-hospital variables to identify this population at the lowest level trauma activation (level 3). METHODS: A retrospective review of adult trauma activations from 2004 to 2014 was completed. Pre-hospital vital signs and Glasgow Coma Scale were converted to categorical variables. Patients were under-triaged based on meeting current level 1 or 2 criteria, or requiring a pre-defined critical intervention. Logistic regression was used to determine the association between the pre-hospital variables and under-triaged patients. Odds ratios and 95% confidence intervals were calculated for a comprehensive model, grouping all causes of under-triage as a single unit, and 16 individual models, one for each under-triage criterion. A new level 2 criterion was generated and internally validated. RESULTS: In total, 12,332 activations occurred during the study period. Four hundred and sixty-six (5.9%) patients were under-triaged. Compared to patients with a normal respiratory rate (RR), tachypneic patients were more likely to be under-triaged for any reason, OR 1.7 [1.3-2.1], p < 0.001. In the individual event analysis, tachypneic patients were more likely to have flail chest, OR 22 [2.9-168.3], p = 0.003; require a chest tube, OR 3 [1.8-4.9], p < 0.001; or require emergent intubation, OR 1.6 [1.1-2.8], p = 0.04, compared to patients with a normal RR. The data-driven triage modification was tachypnea with suspected thoracic injury which reduced the under-triage rate by 1.2%. CONCLUSION: Tachypnea with suspected thoracic injury is the strongest level 2 triage modification to reduce level 3 under triage. PMID- 29214445 TI - Auxin enhances grafting success in Carya cathayensis (Chinese hickory). AB - MAIN CONCLUSION: Application of auxin to root stock and scion increases the success rate of grafting in Chinese hickory. The nuts of the Chinese hickory (Carya cathayensis) tree are considered both delicious and healthy. The popularity and high demand result is that the hickory nuts are of very high economical value for horticulture. This is particularly true for the Zhejiang province in eastern China where this tree is widely cultivated. However, there are several difficulties surrounding the hickory cultivation, such as for example long vegetative growth, tall trees, labour-intensive nut picking, and slow variety improvements. These complications form a great bottleneck in the expansion of the hickory industry. The development of an efficient grafting procedure could surpass at least some of these problems. In this study, we demonstrate that application of the auxin indole-3-acetic acid promotes the grafting process in hickory, whereas application of the auxin transport inhibitor 1-N-naphthylphthalamic acid inhibits the grafting process. Furthermore, we have identified hickory genes in the PIN, ABCB, and AUX/LAX-families known to encode influx and efflux carriers in the polar transport of auxin. We show that increased expression of several of these genes, such as CcPIN1b and CcLAX3, is correlating with successful grafting. PMID- 29214447 TI - Association between common bile duct diameter and abdominal aorta calcium score. AB - BACKGROUND AND OBJECTIVE: There is evidence of association between aging and increase in the normal upper limit of the common bile duct (CBD) diameter. As aging is a documented risk factor for atherosclerosis, and the possible effect that atherosclerosis can have on the CBD diameter via affecting its smooth muscle contractility and blood flow, we decided to determine the association between CBD diameter and atherosclerosis in the abdominal aorta (AA). METHODS: A total of 99 asymptomatic patients (53 males and 46 females; age range of 18-88 years) without history of cholecystectomy who underwent abdominal contrast-enhanced CT scan were included. The CBD diameter was measured. The atherosclerosis of AA was quantified by Agatston score. RESULTS: Mean (+/- SD) CBD diameter was 6.14 (+/- 1.95) mm; range = 2.4-12.7 mm. Agatston score was 0 in 59 patients. In the remaining 40 patients, median (interquartile range, IQR) Agatston score was 497.5 (2026.3). Mean (+/- SD) CBD diameter in patients with Agatston score > 0 was 7.39 (+/- 2.07) mm compared to 5.29 (+/- 1.32) mm in patients without calcification plaque (P < 0.001). A moderate correlation was seen between CBD diameter and Agatston score (rho = 0.43; P = 0.005). CONCLUSION: Although the exact cause of increased CBD diameter with advancing age is not understood, a general atherosclerotic process which occurs with aging may affect smooth muscle of the CBD. Whether an upper limit for normal CBD should be defined or not when evaluating dilated CBD for patients with subclinical or clinical atherosclerosis needs further studies. PMID- 29214446 TI - UGT79B31 is responsible for the final modification step of pollen-specific flavonoid biosynthesis in Petunia hybrida. AB - MAIN CONCLUSION: UGT79B31 encodes flavonol 3- O -glycoside: 2"- O glucosyltransferase, an enzyme responsible for the terminal modification of pollen-specific flavonols in Petunia hybrida. Flavonoids are known to be involved in pollen fertility in petunia (P. hybrida) and maize (Zea mays). As a first step toward elucidating the role of flavonoids in pollen, we have identified a glycosyltransferase that is responsible for the terminal modification of petunia pollen-specific flavonoids. An in silico search of the petunia transcriptome database revealed four candidate UDP-glycosyltransferase (UGT) genes. UGT79B31 was selected for further analyses based on a correlation between the accumulation pattern of flavonol glycosides in various tissues and organs and the expression profiles of the candidate genes. Arabidopsis ugt79b6 mutants that lacked kaempferol/quercetin 3-O-glucosyl(1 -> 2)glucosides, were complemented by transformation with UGT79B31 cDNA under the control of Arabidopsis UGT79B6 promoter, showing that UGT79B31 functions as a flavonol 3-O-glucoside: 2"-O glucosyltransferase in planta. Recombinant UGT79B31 protein can convert kaempferol 3-O-galactoside/glucoside to kaempferol 3-O-glucosyl(1 -> 2)galactoside/glucoside. UGT79B31 prefers flavonol 3-O-galactosides to the 3-O glucosides and rarely accepted the 3-O-diglycosides as sugar acceptors. UDP glucose was the preferred sugar donor for UGT79B31. These results indicated that UGT79B31 encodes a flavonoid 3-O-glycoside: 2"-O-glucosyltransferase. Transient expression of UGT79B31 fused to green fluorescent protein (GFP) in Nicotiana benthamiana showed that UGT79B31 protein was localized in the cytosol. PMID- 29214448 TI - The role of dynamic post-contrast T1-w MRI sequence to characterize lipid-rich and lipid-poor adrenal adenomas in comparison to non-adenoma lesions: preliminary results. AB - PURPOSE: The purpose of the article is to compare the features of wash-out (WO) parameters between lipid-rich and lipid-poor adrenal adenomas as well as with a group of non-adenoma adrenal lesions. METHODS: 46 patients (36 F and 10 M, median age 58 years) with unilateral adrenal lesions (35 adenomas, 7 pheochromocytomas, 1 carcinoma, and 3 metastases) were prospectively evaluated; adrenal lesions were divided into adenomas (Group 1) and non-adenomas (Group 2). MR imaging was performed with a 3-Tesla scanner using pre- and post-contrast dedicated sequences. On the basis of the evaluation of qualitative chemical-shift (CS) signal intensity (SI) loss, adrenal adenomas were, respectively, divided in Group 1A (n = 25) as lipid-rich and Group 1B (n = 10) as lipid-poor; non-adenoma adrenal lesions were grouped in Group 2 (n = 11). The following parameters were evaluated: size (mm), CS SI index (%), early (5 min), and delayed (10 min) Relative (R) and Absolute (A) WO values (%). RESULTS: The comparison of AWO and RWO showed significant (p <= 0.05) differences between Group 1A and Groups 1B and 2, both using 5- and 10-min images for calculation; conversely, no differences in these dynamic parameters were found between Group 1B and 2; AWO and RWO values were significantly lower in adrenal lesions of Groups 1B and 2 compared to Group 1A, both using 5- and 10-min images for calculation. CONCLUSIONS: The quantitative evaluation of WO parameters could not be used to characterize lipid poor adrenal adenomas for which alternative imaging modalities are required. PMID- 29214449 TI - Celebrating the Annals of Surgical Oncology's 25-Year Anniversary: One of the Most Cited Surgical Journals in the World. PMID- 29214450 TI - Effects of Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in the Treatment of Goblet Cell Carcinoma: A Prospective Cohort Study. AB - BACKGROUND: Goblet cell carcinoma (GCC) of the appendix is a rare disease. Treatment options vary according to disease staging. Cytoreductive surgery in combination with hyperthermic intraperitoneal chemotherapy (CRS + HIPEC) may improve survival in patients with peritoneal spreading. OBJECTIVE: The aim of this study was to examine the prognosis of patients with appendiceal GCC treated per protocol, and to evaluate the results of CRS+HIPEC in cases of peritoneal spreading. METHODS: From 2009 to 2016, a total of 48 GCC patients were referred to the European Neuroendocrine Tumour Center of Excellence, Aarhus University Hospital. All patients received treatment per protocol according to disease staging. In patients with localized disease, the treatment was a right hemicolectomy. Patients with peritoneal spread who met the inclusion criteria for CRS + HIPEC, as well as patients with high-risk features of developing peritoneal spread, received CRS + HIPEC. If too-extensive disease was found, palliative chemotherapy was offered. RESULTS: Overall survival for patients with localized disease (n = 6) or deemed at risk of peritoneal spread (n = 8) was 100% after a median follow-up of 3.5 years. In patients with peritoneal spread and eligible for CRS+HIPEC(n = 27), the median survival was 3.2 years [95% confidence interval (CI) 2.3-4.1] and the 5-year survival rate was 57%. In contrast, the median survival for patients with too-extensive intraperitoneal disease (n = 7) was 1.3 years (95% CI 0.6-2.0), with a 3-year survival rate of 20%. CONCLUSIONS: Long term survival can be achieved in patients with peritoneal spread treated with CRS + HIPEC. CRS+HIPEC was associated with a favorable outcome in GCC patients at high-risk of developing peritoneal spread. PMID- 29214451 TI - STMN1 is Overexpressed in Adrenocortical Carcinoma and Promotes a More Aggressive Phenotype In Vitro. AB - BACKGROUND: Adrenocortical carcinoma (ACC) is a rare endocrine malignancy with a poor prognosis and few therapeutic options. Stathmin1 (STMN1) is a cytosolic protein involved in microtubule dynamics through inhibition of tubulin polymerization and promotion of microtubule depolymerization, which has been implicated in carcinogenesis and aggressive behavior in multiple epithelial malignancies. We aimed to evaluate expression of STMN1 in ACC and to elucidate how this may contribute to its malignant phenotype. METHODS: STMN1 was identified by RNA sequencing as a highly differentially expressed gene in human ACC samples compared with benign adrenal tumors. Expression was confirmed by quantitative reverse transcription-polymerase chain reaction (qRT-PCR), Western blot, and immunohistochemical (IHC) staining of a tissue microarray (TMA) from two independent cohorts. The biologic relevance of STMN1 was investigated in NCI H295R cells by lentivirus-mediated silencing. RESULTS: Differential gene expression demonstrated an eightfold increase in STMN1 messenger RNA (mRNA) in malignant compared with benign adrenal tissue. IHC showed significantly higher expression of STMN1 protein in ACC compared with normal and benign tissues. STMN1 knockdown in an ACC cell line resulted in decreased cell viability, cell-cycle arrest at G0/G1, and increased apoptosis in serum-starved conditions compared with scramble short hairpin RNA (shRNA) controls. STMN1 knockdown also decreased migration, invasion, and anchorage-independent growth compared with controls. CONCLUSIONS: STMN1 is overexpressed in human ACC samples, and knockdown of this target in vitro resulted in a less aggressive phenotype of ACC, particularly under serum-starved conditions. Further study is needed to investigate the feasibility of interfering with STMN1 as a potential therapeutic target. PMID- 29214452 TI - Moving Toward Improved Outcomes in Salvage Laryngectomy. PMID- 29214453 TI - Neoadjuvant Therapy Versus Upfront Resection for Pancreatic Cancer: The Actual Spectrum and Clinical Burden of Postoperative Complications. AB - BACKGROUND: Neoadjuvant therapy (NAT) is used for borderline-resectable or locally advanced pancreatic cancer (PDAC) and exhibits promising results in terms of pathological outcomes. However, little is known about its effect on surgical complications. METHODS: We analyzed 445 pancreatic resections for PDAC from 2014 to 2016 at The Pancreas Institute, Verona University Hospital. The Modified Accordion Severity Grading System and average complication burden (ACB) were used to compare patients treated with NAT with patients who underwent upfront surgery (UFS). RESULTS: Of 305 pancreaticoduodenectomies (PD), patients treated with NAT (n = 99) had less pancreatic fistula (POPF, 9.1% vs. 15.6%, p = 0.05) without grade C cases, but grade B ACB was increased (0.28 for NAT vs. 0.24 for UFS, p = 0.05). The postpancreatectomy hemorrhage (PPH) rate was lower in the NAT group (9.1% vs. 14.6%, p = 0.02), but ACB grades B (0.37 for NAT vs. 0.26 for UFS, p = 0.03) and C (0.43 for NAT vs. 0.29 for UFS, p = 0.05) were increased. Delayed gastric emptying (DGE) was increased in NAT cases (15.2% vs. 8.3%, p = 0.04), with higher grade C ACB (0.43 for NAT vs. 0.29 for UFS, p = 0.03). Of 94 distal pancreatectomies (DP), NAT patients (n = 26) developed more grade C POPF (11.5% vs. 1.5%, p = 0.04) and DGE (11.5% vs. 2.9%, p = 0.01) without differences in ACB. CONCLUSIONS: Patients undergoing PD for PDAC after NAT exhibited reduced incidence of POPF and PPH but increased incidence of DGE compared with patients treated with UFS. Among patients developing postoperative complications after PD, those receiving NAT were associated with increased clinical burden. PMID- 29214454 TI - Impact of Sarcopenia on Unplanned Readmission and Survival After Esophagectomy in Patients with Esophageal Cancer. AB - BACKGROUND: Although sarcopenia increases postoperative complications following esophagectomy, its effects on prognosis remain unclear. This study was performed to identify the effect of sarcopenia on 90-day unplanned readmission and overall survival (OS) after esophagectomy. METHODS: Ninety-eight patients with esophageal cancer who underwent esophagectomy were enrolled in this study. Unplanned readmission was defined as any emergent hospitalization within 90 days after discharge. Sarcopenia, defined as low muscle mass plus low muscle strength and/or low physical performance according to the Asian consensus definition, was assessed prior to esophagectomy. Multivariate logistic regression analysis was performed to identify factors that contributed to 90-day unplanned readmission. OS was estimated using the Kaplan-Meier method, and a Cox proportional hazards model was used to assess the relationship between sarcopenia and OS. RESULTS: Thirty-one patients (31.6%) were diagnosed with sarcopenia. The 90-day unplanned readmission rate was significantly higher in patients with sarcopenia than those without (42.9% vs. 16.4%, respectively; p = 0.01). Multivariable logistic regression analysis showed that sarcopenia was an independent predictor of 90-day unplanned readmission [odds ratio 3.71, 95% confidence interval (CI) 1.29-11.05; p = 0.02], and the log-rank test showed that sarcopenia was associated with OS (p = 0.01). Moreover, sarcopenia was a significant predictor of OS after adjustment for age, sex, and pathological stage (hazard ratio 2.35, 95% CI 1.21-4.54; p = 0.01). CONCLUSIONS: Sarcopenia is a risk factor for 90-day unplanned readmission and OS following esophagectomy. Assessment of sarcopenia could help to identify patients at higher risk of a poor prognosis after esophagectomy. PMID- 29214455 TI - Cryptococcus gattii Infection Presenting as an Aggressive Lung Mass. AB - Cryptococcus gattii is an endemic fungus predominantly isolated in the tropical and subtropical regions, causing predominantly pulmonary disease with a predilection for the central nervous system. Herein, we report a case of rapidly progressing C. gattii pneumonia in an immune-deficient but virologically suppressed host with underlying human immunodeficiency viral (HIV) infection, exhibiting various fungal morphologies from bronchoalveolar lavage (BAL) cytological specimens. A 51-year-old Chinese male with known HIV disease was admitted to the Singapore General Hospital for evaluation of functional decline, febrile episodes, and a left hilar mass on chest radiograph. Computed tomography (CT) showed consolidation in the apical segment of the left lower lobe. He underwent bronchoscopy and BAL. Positron emission tomography-computed tomography done 10 days after the initial CT showed approximate doubling of the pulmonary lesion. Cytological examination of the fluid revealed yeasts of varying sizes. Subsequent fungal culture from BAL fluid grew C. gattii 10 days later. PMID- 29214456 TI - Elastofibroma developing at the subscapular port site after thoracoscopic surgery: first case report. AB - In recent years, the number of cancer patients who undergo endoscopic surgery has been increasing, and port-site recurrence is becoming a more common complication. A 66-year-old woman underwent thoracoscopic left lower lobectomy with lymph node dissection for pT1aN0M0 adenocarcinoma of the lung. Six years after surgery, CT revealed a subscapular tumor measuring 3 cm at the site of the surgical port wound. Although port-site cancer recurrence was suspected, needle biopsy revealed that the tumor was an elastofibroma. During 6 months of follow-up, MRI revealed no further change, and it was concluded that development of the tumor at the subscapular port site had been merely coincidental. PMID- 29214457 TI - Gut Microbiota and Host Juvenile Growth. AB - Good genes, good food, good friends. That is what parents hope will sustain and nurture the harmonious growth of their children. The impact of the genetic background and nutrition on postnatal growth has been in the spot light for long, but the good friends have come to the scene only recently. Among the good friends perhaps the most crucial ones are those that we are carrying within ourselves. They comprise the trillions of microbes that collectively constitute each individual's intestinal microbiota. Indeed, recent epidemiological and field studies in humans, supported by extensive experimental data on animal models, demonstrate a clear role of the intestinal microbiota on their host's juvenile growth, especially under suboptimal nutrient conditions. Genuinely integrative approaches applicable to invertebrate and vertebrate systems combine tools from genetics, developmental biology, microbiology, nutrition, and physiology to reveal how gut microbiota affects growth both positively and negatively, in healthy and pathological conditions. It appears that certain natural or engineered gut microbiota communities can positively impact insulin/IGF-1 and steroid hormone signaling, thus contributing to the host juvenile development and maturation. PMID- 29214458 TI - The effects of uninvolved side epiphysiodesis for limb length equalization in children with unilateral cerebral palsy: clinical evaluation with the Edinburgh visual gait score. AB - PURPOSE: Hemiplegic cerebral palsy patient may present a shorten leg on the hemiplegic side that afflicts negatively the kinematic of the uninvolved limb. Thus, the aim of this study was to investigate the modification of gait kinematic after epiphysiodesis for limb equalization and secondary to verify the prediction of correction. METHODS: Skeletally immature hemiplegic patients with a minimum limb leg discrepancy (LLD) of 2.5 cm were treated with epiphysiodesis of the unaffected knee and clinically evaluated with Edinburgh visual gait score (EVGS). Green-Anderson curve was used to predict time decision for correction. RESULTS: Ten LLD patients were evaluated with the Edinburgh visual gait score (EVGS) before and after surgery. Mean age was 12.7 years, mean follow-up was 6.7 years, and mean LLD was 3.4 cm before surgery and 1.2 cm at final follow-up. After lower limb equalization surgery, improvement in gait kinematics was observed on both the uninvolved and hemiplegic limb of hemiplegic cerebral palsy patients (p < 0.001). Final correction did not reach expected correction (2.3 vs. 2.8 cm). However, the difference was not statistically significant (p = 0.058). CONCLUSION: This is the first study to report improvement on both the uninvolved and hemiplegic limb gait kinematics after limb equalization surgery. Due to the impaired dorsiflexion of the hemiplegic foot, LLD target at the end of growth should range between 0.5 and 1.5 cm. PMID- 29214459 TI - The role of intraoperative cell salvage system on blood management in major orthopedic surgeries: a cost-benefit analysis. AB - INTRODUCTION: The aim of this study was to compare the efficiency and cost of cell salvage systems with allogeneic blood transfusions in patients who had major elective orthopedic surgeries. MATERIALS AND METHODS: Consecutive 108 patients who had intraoperative cell saver (CS) performed routinely constitute the study group. In control group, consecutive 112 patients who were operated without intraoperative CS were investigated. Hemoglobin (Hb) level less than 8 mg/dL was regarded as the absolute transfusion indication. The patients were evaluated for age, gender, body mass index, operation period, mean intraoperative estimated blood loss (EBL), postoperative hemovac drainage volume; preoperative, postoperative first day and discharge Hb levels, allogeneic blood transfusion (ABT) volume, hospitalization and cost parameters. RESULTS: The mean intraoperative EBL was 507 mL in the study group and 576 mL in control group. The mean ABT was 300 mL in the study group and 715 mL in control group. In the study group, intraoperative EBL, ABT usage and hospitalization period were significantly lower compared with the control group (p = 0.009, p = 0.000 and p = 0.000; p < 0.05, respectively). The mean cost was 771 Turkish liras (TL) in the study group and 224 TL in control group. In the study group, the cost was significantly higher than the control group (p = 0.000). The postoperative first day Hb level was significantly higher in the study group (p = 0.010). CONCLUSION: Although CS usage was determined to increase the costs in this study, it significantly decreases intraoperative and postoperative ABT requirements. We believe that the increase in cost may be neglected when the complications and prolonged hospitalization due to ABT usage were regarded. PMID- 29214460 TI - Blood flow restriction late in recovery after heavy resistance exercise hampers muscle recuperation. AB - PURPOSE: This study aimed to examine the effect of acute blood flow restriction during the late recovery phase between two resistance exercise bouts on muscular endurance and oxygenation. METHODS: Amateur male middle- and long-distance runners performed two bouts of one-leg dynamic plantar flexion exercise to failure with the load equivalent to 75% of maximum. Subjects were randomly assigned into two experimental groups with thigh occlusion pressure between bouts at either 120 or 200 mmHg with 20 min of passive rest in between, and two control groups without any blood flow restriction separated by either 5 or 20 min of rest. Blood flow restriction in the experimental groups was implemented during the last 15 min of recovery. Calf arterial blood flow and muscle oxygenation were measured by venous occlusion plethysmography and near-infrared spectroscopy, respectively. RESULTS: Decrease of muscular oxygenation and blood flow during recovery between exercise bouts depended on the applied occlusion pressure. When compared with bout 1, work capacity in the experimental groups during bout 2 was reduced by 9.3 +/- 2.2% with 120 mmHg and by 10.5 +/- 3.1% (p < 0.05) with 200 mmHg occlusion pressure. In the control groups, work capacity was restored after 20 min (- 3.9 +/- 3.2%, p > 0.05) but not after 5-min recovery (- 20.0 +/- 1.8%, p < 0.05). CONCLUSIONS: Blood flow restriction late in recovery after a heavy resistance exercise bout decreased muscle oxygenation and work capacity during the subsequent heavy resistance exercise bout. PMID- 29214462 TI - The use of the CR-10 scale to allow self-regulation of isometric exercise intensity in pre-hypertensive and hypertensive participants. AB - PURPOSE: Isometric exercise (IE) has been shown to lower blood pressure (BP). Using equipment with force output displays, intensity is usually regulated at 30% maximal voluntary contraction (MVC); however, the cost of programmable equipment and their requirement for maximal contractions presents limitations. A simple, cost-effective alternative deserves investigation. The purpose of this study was (1) to explore the relationship between %MVC, change in systolic BP (DeltaSBP), and perceived exertion (CR-10) and (2) to assess the validity of self-regulation of intensity during isometric hand-grip exercise. METHODS: Fourteen pre hypertensive and hypertensive adults completed eight, 2-min isometric hand-grip exercises at randomised intensities; participants estimated their perceived exertion at 30-s intervals (estimation task). Subsequently, on three separate occasions, participants performed four 2-min contractions at an exertion level that they perceived to be equivalent to CR-10 "Level-6" (production task). RESULTS: There were significant linear relationships between the estimated exertion on the CR-10 scale, and DeltaSBP (r = 0.784) and %MVC (r = 0.845). Level 6 was equivalent to an average DeltaSBP of 38 mmHg (95% CI; 44, 32 mmHg) and a relative force of 33% MVC (95% CI; 36.2, 30%). During the production task, %MVC was not significantly different between the estimation task and each production trial. In at least the first two repetitions of each production trial, DeltaSBP was significantly lower than that observed in the estimation task. CONCLUSION: These findings show that CR-10 "Level-6" is an appropriate method of self regulating isometric hand-grip intensity; its use offers an affordable and accessible alternative for isometric exercise prescription aimed at reducing BP. PMID- 29214461 TI - Co-ingestion of protein or a protein hydrolysate with carbohydrate enhances anabolic signaling, but not glycogen resynthesis, following recovery from prolonged aerobic exercise in trained cyclists. AB - PURPOSE: The effect of carbohydrate (CHO), or CHO supplemented with either sodium caseinate protein (CHO-C) or a sodium caseinate protein hydrolysate (CHO-H) on the recovery of skeletal muscle glycogen and anabolic signaling following prolonged aerobic exercise was determined in trained male cyclists [n = 11, mean +/- SEM age 28.8 +/- 2.3 years; body mass (BM) 75.0 +/- 2.3 kg; VO2peak 61.3 +/- 1.6 ml kg-1 min-1]. METHODS: On three separate occasions, participants cycled for 2 h at ~ 70% VO2peak followed by a 4-h recovery period. Isoenergetic drinks were consumed at + 0 and + 2 h of recovery containing either (1) CHO (1.2 g kg -1 BM), (2) CHO-C, or (3) CHO-H (1.04 and 0.16 g kg-1 BM, respectively) in a randomized, double-blind, cross-over design. Muscle biopsies from the vastus lateralis were taken prior to commencement of each trial, and at + 0 and + 4 h of recovery for determination of skeletal muscle glycogen, and intracellular signaling associated with protein synthesis. RESULTS: Despite an augmented insulin response following CHO-H ingestion, there was no significant difference in skeletal muscle glycogen resynthesis following recovery between trials. CHO-C and CHO-H co-ingestion significantly increased phospho-mTOR Ser2448 and 4EBP1 Thr37/46 versus CHO, with CHO-H displaying the greatest change in phospho-4EBP1 Thr37/46. Protein co ingestion, compared to CHO alone, during recovery did not augment glycogen resynthesis. CONCLUSION: Supplementing CHO with intact sodium caseinate or an insulinotropic hydrolysate derivative augmented intracellular signaling associated with skeletal muscle protein synthesis following prolonged aerobic exercise. PMID- 29214463 TI - Recreational football practice attenuates postprandial lipaemia in normal and overweight individuals. AB - INTRODUCTION: The aim of the present study was to examine the effects of playing football on postprandial lipaemia in normal and overweight individuals. METHODS: Fifteen (7 normal weight, age = 32.3 +/- 6.0 years, BMI = 22.8 +/- 3.4 kg/m2 and 8 overweight, age = 33.3 +/- 5.5 years, BMI = 29.2 +/- 3.2 kg/m2, mean +/- SD) recreational football players were recruited. On the evening of day 1, participants played a 60-min 9-a-side football match (FOOT) or rested (control; CON) in a randomised counterbalanced cross-over design. Activity profile, heart rate and rate of perceived exertion were recorded. The next morning (> 10 h after the match), blood samples were collected before (0), 0.75, 2, 4, and 6 h after a high-fat meal. RESULTS: Total area under the curve for triglycerides were 22% and 28% lower for the normal weight (p < 0.01; 95% CI - 2.45 to - 0.68; ES = 0.87) and overweight (p < 0.01; 95% CI - 8.14 to - 0.88; ES = 0.68) groups in the FOOT compared to the CON. The postprandial incremental area under the curve for triglycerides was 31% lower in the normal weight group (ES = 0.79) for the FOOT compared to CON trial and a discernible trend was shown for the overweight group (22%; ES = 0.51). Two-hour Insulin Sensitivity Index was lower (ES = - 0.95) for FOOT compared to CON trial in the overweight group only. CONCLUSION: Playing a 60 min football match can attenuate the triglyceride response to a high-fat meal in normal and overweight individuals. PMID- 29214464 TI - Reliability of a semi-automated algorithm for the vastus lateralis muscle architecture measurement based on ultrasound images. AB - PURPOSE: The assessment of muscle architecture with B-mode ultrasound is an established method in muscle physiology and mechanics. There are several manual, semi-automated and automated approaches available for muscle architecture analysis from ultrasound images or videos. However, most approaches have limitations such as workload, subjectivity, drift or they are applicable to short muscle fascicles only. Addressing these issues, an algorithm was developed to analyse architectural parameters of the vastus lateralis muscle (VL). METHODS: In 17 healthy young men and women, ultrasound images were taken five times on two different days during passive knee joint flexion. From the images, fascicle length (FL), pennation angle (PAN) and muscle thickness (MTH) were calculated for both test days using the algorithm. Interday differences were determined using a two-way ANOVA. Interday and intraday reliability were assessed using intraclass correlation coefficients (ICC) and root mean square (RMS) differences. RESULTS: FL, MTH and PAN did not differ between day one and two. The within day ICCs were above 0.94 for all tested parameters. The average interday ICCs were 0.86 for the FL, 0.96 for MTH and 0.60 for PAN. The average RMS differences between both days were 5.0%, 8.5% and 12.0% for MTH, FL and PAN, respectively. CONCLUSION: The proposed algorithm provides high measurement reliability. However, the interday reliability might be influenced by small differences in probe position between days. PMID- 29214465 TI - The peripheral soft tissues should not be ignored in the finite element models of the human knee joint. AB - In finite element models of the either implanted or intact human knee joint, soft tissue structures like tendons and ligaments are being incorporated, but usually skin, peripheral knee soft tissues, and the posterior capsule are ignored and assumed to be of minor influence on knee joint biomechanics. It is, however, unknown how these peripheral structures influence the biomechanical response of the knee. In this study, the aim was to assess the significance of the peripheral soft tissues and posterior capsule on the kinematics and laxities of human knee joint, based on experimental tests on three human cadaveric specimens. Despite the high inter-subject variability of the results, it was demonstrated that the target tissues have a considerable influence on posterior translational and internal and valgus rotational laxities of lax knees under flexion. Consequently, ignoring these tissues from computational models may alter the knee joint biomechanics. PMID- 29214466 TI - Large-scale DNA organization is a prognostic marker of breast cancer survival. AB - Breast cancer is the leading cause of cancer-related deaths among women worldwide. We investigated whether changes in large-scale DNA organization (LDO) of tumor epithelial nuclei are an indicator of the aggressiveness of the tumor. We tested our algorithm on a set of 172 duplicates TMA cores samples coming from 95 breast cancer patients. Thirty-five patients died of breast cancer, and 60 were still alive 10 years after surgery. Duplicates cores were used to create training and test set. The TMA slides were stained with Feulgen-thionin and imaged using our in-house high-resolution Imaging system. Automated segmentation of cell nuclei followed by manual selection of intact, in-focus nuclei resulted in an average of 50 cell nuclei per sample available for analysis. Using forward stepwise linear discriminant analysis, a combination of six features that combined linearly gave the best discrimination between the two groups of cells: cells collected from 'deceased' patients TMA specimens and cells collected from "survivors" patients TMA specimens. Five of these features measure the spatial organization of DNA chromatin. The resulting canonical score is named cell LDO score. A patient LDO score, percentage of cell nuclei with a cell LDO score higher than a predefined cutoff value, was processed for the specimens in the test set, and a cutoff value was defined to classify patients with a low or a high LDO score. Using this binary test, 82.1% of patients were correctly classified are "deceased" or "survivors," with a specificity of 79% and a sensitivity of 88%. The relative risk of death of an individual with a high LDO score was nine times higher than for a patient with a low LDO score. When testing the combination of LDO score, node status, histological grade, and tumor grade to predict breast cancer survival, LDO was the most significant predictor. LDO classification was also highly associated with survival for only grade 1 and 2 patients as well as for only grade 3 patients. Our result confirms the potential of LDO to measure phenotypic changes associated with more aggressive disease and could be evaluated to identify patients more likely to benefit from adjuvant therapies. PMID- 29214467 TI - Different functional domains measured by cocaine self-administration under the progressive-ratio and punishment schedules in male Wistar rats. AB - BACKGROUND: Current diagnosis of drug addiction like other mental disorders is based on clinical symptoms not on neural pathophysiology and consequently, does not provide useful information on the underlying pathophysiology and may impede the efforts to identify the underlying mechanisms. Identifying the functional deficits that are relevant to addiction and can be traced to the neural systems will greatly facilitate our understanding of the heterogeneity of the condition and improve future diagnosis and treatment. Cocaine addiction is characterized by the continued use despite the dire consequences, and the deficit in inhibitory control may play a key role in this process. This study aimed to develop a paradigm to measure the punishment-induced inhibitory regulation of reward seeking behavior. METHODS: Rats were first trained to self-administer sucrose pellets under a chained schedule and then the breaking points (BPs) under the progressive-ratio schedule, and the intensity-response effects of footshock punishment on sucrose SA were measured. Subsequently, the rats went on to self administer intravenous cocaine, and the BPs and the punishment intensity-response effects were similarly determined. RESULTS: The areas under the punishment intensity-response curves (AUCs) were calculated and used as an indicator of the sensitivity of the inhibitory system. The BPs for cocaine were not correlated with the AUCs. Furthermore, the change in the BPs for cocaine induced by changing cocaine dose did not predict the change in the AUCs. CONCLUSION: The intensity response effects of punishment can be used to measure the function or sensitivity of the inhibitory system independent of the motivational state. PMID- 29214468 TI - Effects of acute alcohol and driving complexity in older and younger adults. AB - RATIONALE: Our previous work demonstrated differential neurobehavioral effects of low-dose alcohol consumption on older and younger adults in a driving simulator. However, the ability to enhance or suppress a response in such context has yet to be examined. OBJECTIVES: The current study contrasted older and younger drivers' responses to specific stimuli (i.e., relevant, irrelevant) in scenarios of differing complexity following low-dose acute alcohol administration. METHODS: Healthy older (55-70) and younger (25-35) adults completed two driving scenarios (i.e., country and metropolis) both before and after consuming beverages targeted to reach peak BrACs of 0.00, 0.04, or 0.065%. Throughout the simulation, participants encountered relevant stimuli (e.g., pedestrians walking into the street) and irrelevant stimuli (e.g., pedestrians walking parallel). Peak deceleration, range of steering, and distance until brake application were assessed within a 450-ft window preceding each stimulus. RESULTS: Following low dose alcohol consumption, older adults shifted from a strategy using both deceleration and steering to relying solely on deceleration in responding to relevant stimuli in the country. Older adults under both low and moderate alcohol conditions displayed an inability to withhold responses to irrelevant stimuli in the metropolis. CONCLUSION: These findings are consistent with our prior work showing differential effects of low-dose alcohol on older, relative to younger, adults. The interactive effects of age and alcohol, however, depend on stimulus type and environmental complexity. Continued investigation of neurobehavioral mechanisms in ecologically valid paradigms is necessary for understanding the implications of the combined impairing effects of alcohol and older age. PMID- 29214469 TI - Four-leaf clover-like bicuspid aortic valve visualized by two-dimensional thoracic and three-dimensional transesophageal echocardiography. PMID- 29214470 TI - Clinical and anti-aging effect of mud-bathing therapy for patients with fibromyalgia. AB - Spa bathing is known as a medical treatment for certain diseases causing chronic pains. Spa water contains mineral components which lower the specific heat of the water, resulting in a higher efficiency to warm body-core temperature. This phenomenon yields pain-relieving effect for rheumatoid arthritis, low back pain, sciatic neuralgia, fibromyalgia, etc. Here we introduce medical and biological effects of mud-spa-bathing therapy for fibromyalgia other than pain relief, the changes of blood examination data, and the telomere length of circulating leukocytes. The enrolled 7 patients with fibromyalgia syndrome were hospitalized and were subject to daily mud bathing at 40 degrees C for 10 min for about a month. Then, their subjective pain was reduced to about a quarter in average. They also showed lowered serum triglyceride and C-reactive protein level, maintaining the levels of aspartate transaminase and creatine phosphokinase, and increases of the red blood cell count, the serum albumin level, and the serum LDL cholesterol level in comparison with cases without mud-bathing therapy, suggesting that mud bathing prevents inflammation and muscle atrophy and improves nutritional condition in fibromyalgia. In addition, the analysis of telomere length of peripheral leukocytes revealed a trend of negative correlation between telomere shortening and laboratory data change of hemoglobin and serum albumin. These telomeric changes can be explained hypothetically by an effect of mud bathing extending life-span of circulating leukocytes. PMID- 29214471 TI - Duration of the conditioning phase affects the results of plant-soil feedback experiments via soil chemical properties. AB - Plant-soil feedback (PSF) is a fundamental mechanism explaining plant community composition. Two-phase experiments, i.e., conditioning and feedback, represent a common methodology to study PSF. The duration of the conditioning phase varies among studies and the PSF observed is often explained by its biotic component. Little is known about the temporal variation of PSF and its abiotic component. As early life stages are crucial for plant establishment, we grew Rorippa austriaca in soil conditioned over 2, 4, 6 or 8 weeks by a conspecific or a co-occurring species, Agrostis capillaris. For each conditioning duration, we analysed the soil chemical properties and the direction and intensity of intra- or inter specific feedbacks. With increasing duration, the negative intra- and inter specific feedbacks became stronger and weaker, respectively. The inter-specific feedback was more negative than the intra-specific feedback at 2 weeks and this reversed thereafter. The Mg content decreased with conditioning duration whatever the conditioning species was. With increasing duration, conditioning by R. austriaca strongly decreased pH, while A. capillaris did not affect pH. The K and P contents were not affected by the conditioning duration and were higher in R. austriaca soil than in A. capillaris soil. Our results suggest that not only conditioning species but also duration of conditioning phase may affect the magnitude of PSF. The changes in soil chemical properties linked to the conditioning species or the conditioning phase duration may drive the feedbacks by affecting plant growth directly or via the interacting microbial communities. PMID- 29214472 TI - Host-choice reduces, but does not eliminate, the negative effects of a multi species diet for an herbivorous beetle. AB - A consequence of plant diversity is that it can allow or force herbivores to consume multiple plant species, which studies indicate can have major effects on herbivore fitness. An underappreciated but potentially important factor modulating the consequences of multi-species diets is the extent to which herbivores can choose their diets versus being forced to consume specific host plant sequences. We examined how host-selection behavior alters the effects of multi-species diets using the Colorado potato beetle (Leptinotarsa decemlineata) and diets of potato plants (Solanum tuberosum), tomato plants (S. lycopersicum), or both. When we gave beetles simultaneous access to both plants, allowing them to choose their diets, their final mass was within 0.1% of the average mass across both monocultures and 43.6% lower than mass on potato, the superior host in monoculture. This result indicates these beetles do not benefit from a mixed diet, and that the presence of tomato, an inferior but suitable host, makes it difficult to use potato. In contrast, when we forced beetles to switch between host species, their final mass was 37.8% less than the average of beetles fed constant diets of either host species and within 3.5% of the mass on tomato even though they also fed on potato. This indicates preventing host-selection behavior magnified the negative effects of this multi-species diet. Our results imply that ecological contexts that constrain host-selection or force host-switches, such as communities with competition or predation, will lead plant species diversity to reduce the performance of insect herbivores. PMID- 29214473 TI - Plants learn and remember: lets get used to it. PMID- 29214474 TI - Insufficient evidence for habituation in Mimosa pudica. Response to Gagliano et al. (2014). AB - Gagliano et al. (Oecologia 175(1):63-72, 2014) reported that Mimosa pudica habituates to repeated stimulation, as shown by a reduction in response, dishabituation, and stimulus specificity. I argue that Gagliano et al.'s data show an absence of dishabituation, that their experimental design needs an additional condition to test whether there is stimulus specificity, and that most of their data can be explained by motor fatigue. Some data are not easily explained by fatigue, and I suggest a further analysis that may clarify the issue. The status of habituation in Mimosa remains uncertain. PMID- 29214475 TI - Similar but not the same: metal concentrations in hair of three ecologically similar, forest-dwelling bat species (Myotis bechsteinii, Myotis nattereri, and Plecotus auritus). AB - Recently, a number of studies demonstrated the suitability of hair analysis to assess metal exposure of bats. As many bat species are endangered, such a non destructive method is particularly suited for this taxon. The present study analyzed the levels of two non-essential (cadmium and lead) and four essential metals (copper, manganese, molybdenum, and zinc) in hairs of three ecologically similar, sympatric bat species, Bechstein's bat (Myotis bechsteinii), Natterer's bat (Myotis nattereri), and Brown long-eared bat (Plecotus auritus) from an area in Central Hesse (Germany), as well as metal concentrations in soil samples from the bats' foraging habitats. Applying a previously established protocol, the analyses were performed using microwave-assisted extraction followed by inductively coupled plasma optical emission spectrometry. Cadmium and lead concentrations in hair did not differ significantly among the three studied species, whereas the following significant differences existed for levels of essential metals in hair. Manganese concentrations in hair were higher in M. bechsteinii and P. auritus than in M. nattereri and Cu concentrations were higher in M. nattereri than in P. auritus. Myotis bechsteinii showed higher Zn concentrations compared to P. auritus and lower Mo concentrations compared to M. nattereri. Reasons for the observed differences among the three studied species could be differential exposure to these metal elements in their foraging areas, related to variation in the species composition of their arthropod diet in combination with different metal levels in the respective prey species, and/or species-specific requirements for essential metals and related variation in physiological regulation of these elements in the bats. PMID- 29214476 TI - Acute effects of air pollution on spontaneous abortion, premature delivery, and stillbirth in Ahvaz, Iran: a time-series study. AB - Living in areas with high air pollution may have adverse effects on human health. There are few studies about the association between breathing polluted air and adverse pregnancy outcomes in the Middle East. The aim of this study was to determine the relationship between air pollution and spontaneous abortion, premature birth, and stillbirth in Ahvaz. A time-series study was conducted. Data about spontaneous abortion, premature deliveries, and stillbirth was collected from Ahvaz Imam Khomeini Hospital. Air pollution data including NO, CO, NO2, PM10, SO2, O3, and climate data were, respectively, collected from the Environmental Protection Agency and the Khuzestan Province Meteorology Office from March 2008 until March 2015. The relationship between air pollutants with the number of abortions, premature births, and stillbirths was found using a quasi-Poisson distributed lag model, adjusted by trend, seasonality, temperature, relative humidity, weekdays, and holidays. The average daily dust in Ahvaz on 7.2% days of the year was higher than 500 MUg/m3 (very dangerous). Findings from this study indicate a significant association between each 10-unit increase in SO2 and spontaneous abortion in lag 0 and 9 days. There was a significant relation between each 10-unit increase in NO2 and CO, and premature birth in lag 0. Also, we found a significant association between each 10-unit increase in CO and premature delivery in lag 1; PM10 and premature delivery in lags 10, 11, and 12; and NO and premature delivery in lags 3, 4, 10, 11, 12, and 13 (p value < 0.05). Contact with polluted air during pregnancy may increase adverse pregnancy outcomes and stillbirth. Pregnant women should avoid polluted air. PMID- 29214477 TI - Prevalence of occult hepatitis C virus among hemodialysis patients in Tanta university hospitals: a single-center study. AB - Occult hepatitis C virus infection (OCI) is a newly defined type of infection by the chronic hepatitis virus (HCV) distinguished by the existence of HCV RNA in liver tissue and/or peripheral blood mononuclear cells (PBMCs) in patients whose plasma are devoid of both positive serology and RNA. Patients on maintenance hemodialysis evince a higher HCV prevalence than the general population due to high nosocomial transmission by the dialysis units. We investigated the prevalence of occult HCV infection in patients attending our university hemodialysis centers for maintenance hemodialysis. Sixty-two CHD patients negative for serum HCV tests were enrolled in the study. PMNCs were tested by real-time PCR for the presence of HCV RNA. For the 62 patients, the average duration since starting dialysis was 32.7 months and the mean (SD) alanine transaminase and aspartate transaminase were 25.74 +/- 9.75 and 28.81 +/- 11.32 IU/l, respectively. Out of the 62 CHD patients negative for serum anti-HCV and HCV RNA patients, only three (4.84%) were shown to have HCV RNA in their PBMCs implying the diagnosis of OCI; their viral load range was 1.24-4.15 IU/ml. All three OCI-proven patients gave no history of hepatic disease. In this study, we found that patients considered to be free of HCV can have HCV replicating in their PBMCs. This awareness points to the possibility of HCV being transmitted from apparently uninfected persons. A positive HCV RNA detection in PBMCs is dependable in determining OCI among high-risk subjects particularly when a liver biopsy is not an option. HCV transmission can occur through hemodialysis units signaling incorrect application of infection control measures in our Egyptian dialysis units. Additional studies on hemodialysis patients are necessary to realize the true magnitude of OCI among this patient group and to highlight the importance of incorporating HCV viral assays in PBMCs into the diagnostic algorithm. PMID- 29214478 TI - Cigarette butts abundance and association of mercury and lead along the Persian Gulf beach: an initial investigation. AB - The toxic metal contents of cigarette butts and distribution of cigarette butts have not been studied well in maritime environment. In the present study, cigarette butts distribution and the associations of Hg and Pb from cigarette butts were monitored along the Persian Gulf with 10 days interval sampling time. The number of cigarette butts, and Hg and Pb associations of butts were found to vary widely between 2 and 38 items per square meter, 2.5 and 86.32 ng/g cigarette butt (CB), as well as 650 and 8630 ng/g CB, respectively. Wilcoxon signed-rank test showed that there were no significant differences between the number of butts, and Hg and Pb contents of the butts at different sampling times. Considering amount of cigarette butts littered yearly, this study demonstrates that remarkable toxic metals of Hg and Pb may enter maritime environment each year and may introduce critical hazards to aquatic organisms, enter food chain, and finally human body. PMID- 29214479 TI - Cities of the future-bionic systems of new urban environment. AB - The concepts of the cities we know nowadays, and which we are accustomed to, change at a very rapid pace. The philosophy of their design is also changing. It will base on new standards, entering a completely different, futuristic dimension. This stage is related to changes in the perception of space, location and lack of belonging to definite, national or cultural structures. Cities of the future are cities primarily intelligent, zero-energetic, zero-waste, environmentally sustainable, self-sufficient in terms of both organic food production and symbiosis between the environment and industry. New cities will be able to have new organisational structures-either city states, or, apolitical, jigsaw-like structures that can change their position-like in the case of the city of Artisanopolis, designed as a floating city, close to the land, reminiscent of the legendary Atlantis. This paper is focused on the main issues connected with problems of the contemporary city planning. The purpose of the research was to identify existing technological solutions, whose aim is to use solar energy and urban greenery. The studies were based on literature related to future city development issues and futuristic projects of the architects and city planners. In the paper, the following issues have been verified: futuristic cities and districts, and original bionic buildings, both residential and industrial. The results of the analysis have been presented in a tabular form. PMID- 29214480 TI - Amicarbazone degradation promoted by ZVI-activated persulfate: study of relevant variables for practical application. AB - Alarming amounts of organic pollutants are being detected in waterbodies due to their ineffective removal by conventional treatment techniques, which warn of the urgent need of developing new technologies for their remediation. In this context, advanced oxidation processes (AOPs), especially those based on Fenton reactions, have proved to be suitable alternatives, due to their efficacy of removing persistent organic compounds. However, the use of ferrous iron in these processes has several operational constraints; to avoid this, an alternative iron source was here investigated: zero-valent-iron (ZVI). A Fenton-like process based on the activation of a recently explored oxidant-persulfate (PS)-with ZVI was applied to degrade an emerging contaminant: Amicarbazone (AMZ). The influence of ZVI size and source, PS/ZVI ratio, pH, UVA radiation, dissolved O2, and inorganic ions was evaluated in terms of AMZ removal efficiency. So far, this is the first time these parameters are simultaneously investigated, in the same study, to evaluate a ZVI-activated PS process. The radical mechanism was also explored and two radical scavengers were used to determine the identity of major active species taking part in the degradation of AMZ. The degradation efficiency was found to be strongly affected by the ZVI dosage, while positively affected by the PS concentration. The PS/ZVI system enabled AMZ degradation in a wide range of pH, although with a lower efficiency under slightly alkaline conditions. Dissolved O2 revealed to play an important role in reaction kinetics as well as the presence of inorganic ions. UVA radiation seems to improve the degradation kinetics only in the presence of extra O2 content. Radicals quenching experiments indicated that both sulfate (SO4*-) and hydroxyl (*OH) radicals contributed to the overall oxidation performance, but SO4*- was the dominant oxidative species. PMID- 29214481 TI - Environmental levels of triclosan and male fertility. AB - Triclosan is a synthetic chemical with broad antimicrobial activity that has been used extensively in consumer products, including personal care products, textiles, and plastic kitchenware, although the exposure which is widespread evidence from human studies is scarce. Our study aims to investigate the relationship between triclosan exposure and male fertility. Triclosan (TCS) urinary concentrations were measured using gas chromatography coupled with tandem mass spectrometry in 315 men recruited from a male reproductive health clinic with normal sperm concentration (>= 15 mln/ml) (WHO 2010) under 45 years of age. Participants were interviewed and provided a semen sample. TCS was detected in 84.13% of urine samples, with a median concentration of 2.83 MUg/l (2.57 MUg/g creatinine). A multiple linear regression analysis showed a positive association between the urinary concentrations of triclosan 50th-75th percentile and >= 50 percentile and percentage of sperm with abnormal morphology (p = 0.016 and p = 0.002, respectively). The study provides evidence that exposure to triclosan is associated with poorer semen quality. Future studies are needed to confirm these findings. PMID- 29214482 TI - Characteristics of different molecular weight EPS fractions from mixed culture dominated by AnAOB and their role in binding metal ions. AB - Ultraviolet-visible (UV-Vis) absorbance spectra were adopted to quantify the binding of metal ions (e.g., Fe(III), Cu(II), Pb(II), and Cd(II)) on three MW fractions (> 100, 10~100, and < 10 k Da) of extracellular polymeric substances (EPS) extracted from mixed cultures dominated by anaerobic ammonium-oxidizing bacteria (AnAOB). The results showed that the AnAOB EPS with different MW size ranges all had strongest binding capability of Fe(III), and the lowest binding capability of Cd(II). The complexation ability of metal ions for the EPS of AnAOB with molecular weight < 10 kDa was stronger than EPS with >100 and 10~100 kDa, very likely because of the contribution of the tyrosine-, tryptophan-, and aromatic protein-like components. It was obvious that the different size fractions of EPS affect the metal binding ability. Essentially, the content of proteins, polysaccharides, TOC, and UVA254 distributed within various MW fractions of EPS from AnAOB were different, as well as the different fluorescent components and total functional groups. PMID- 29214484 TI - Designing Neat and Composite Carbon Nanotube Materials by Porosimetric Characterization. AB - We propose a porosimetry-based method to characterize pores formed by carbon nanotubes (CNTs) in the CNT agglomerates for designing neat CNT-based materials and composites. CNT agglomerates contain pores between individual CNTs and/or CNT bundles (micropore < 2 nm, mesopores 2-50 nm, and macropores > 50 nm). We investigated these pores structured by CNTs with different diameters and number of walls, clarifying the broader size distribution and the larger volume with increased diameters and number of walls. Further, we demonstrated that CNT agglomerate structures with different bulk density were distinguished depending on the pore sizes. Our method also revealed that CNT dispersibility in solvent correlated with the pore sizes of CNT agglomerates. By making use of these knowledge on tailorable pores for CNT agglomerates, we successfully found the correlation between electrical conductivity for CNT rubber composites and pore sizes of CNT agglomerates. Therefore, our method can distinguish diverse CNT agglomerate structures and guide pore sizes of CNT agglomerates to give high electrical conductivity of CNT rubber composites. PMID- 29214483 TI - PsychotherapyPlus: augmentation of cognitive behavioral therapy (CBT) with prefrontal transcranial direct current stimulation (tDCS) in major depressive disorder-study design and methodology of a multicenter double-blind randomized placebo-controlled trial. AB - Major Depressive Disorder (MDD) is one of the most prevalent psychiatric disorders worldwide. About 20-30% of patients do not respond to the standard psychopharmacological and/or psychotherapeutic interventions. Mounting evidence from neuroimaging studies in MDD patients reveal altered activation patterns in lateral prefrontal brain areas. Successful cognitive behavioral therapy (CBT) is associated with a recovery of these neural alterations. Moreover, it has been demonstrated that transcranial direct current stimulation (tDCS) is capable of influencing prefrontal cortex activity and cognitive functions such as working memory and emotion regulation. Thus, a clinical trial investigating the effects of an antidepressant intervention combining CBT with tDCS seems promising. The present study investigates the antidepressant efficacy of a combined CBT-tDCS intervention as compared to CBT with sham-tDCS or CBT alone. A total of 192 patients (age range 20-65 years) with MDD (Hamilton Depression Rating Scale Score >= 15, 21-item version) will be recruited at four study sites across Germany (Berlin, Munich, Tuebingen, and Freiburg) and randomly assigned to one of the following three treatment arms: (1) CBT + active tDCS; (2) CBT + sham-tDCS; and (3) CBT alone. All participants will attend a 6-week psychotherapeutic intervention comprising 12 sessions of CBT each lasting 100 min in a closed group setting. tDCS will be applied simultaneously with CBT. Active tDCS includes stimulation with an intensity of 2 mA for 30 min with the anode placed over F3 and the cathode over F4 according to the EEG 10-20 system, if assigned. The primary outcome measure is the change in Montgomery-Asberg Depression Rating Scale scores from baseline to 6, 18, and 30 weeks after the first session. Participants also undergo pre- and post-treatment neuropsychological testing and functional magnetic resonance imaging (fMRI) to assess changes in prefrontal functioning and connectivity. The study investigates whether CBT can be augmented by non-invasive brain stimulation techniques such as tDCS in the treatment of MDD. It is designed as a proof-of-principle trial for the combined tDCS-CBT treatment, but also allows the investigation of the neurobiological underpinnings of the interaction between both interventions in MDD. Trial registration ClinicalTrials.gov Identifier NCT02633449. PMID- 29214485 TI - Two-Phase Contrast Injection Protocol for Pediatric Cardiac Computed Tomography in Children with Congenital Heart Disease. AB - To assess a two-phase contrast injection protocol for contrast enhancement during cardiac computed tomography (CT) in children with congenital heart disease. Forty three children (20 boys, 23 girls) of median age 13 months (range 3 days-8.3 years) and weighing <= 20 kg who underwent cardiac CT using a two-phase contrast injection protocol at our institution were retrospectively identified. High-pitch spiral third-generation dual-source cardiac CT (tube voltage 70 kV) was performed with a fixed delay of 60 s after contrast injection in the order of 10 mgI/kg/s (30 s), 15 mgI/kg/s (20 s), and a saline chaser (10 s). Attenuation in the inferior vena cava (IVC), superior vena cava (SVC), right atrium (RA), right ventricle (RV), pulmonary artery (PA), left atrium (LA), left ventricle (LV), and descending aorta (AO) was compared using the Steel-Dwass and Fisher's exact tests. The median (interquartile range) attenuation in the IVC, SVC, RA, RV, PA, LA, LV, and AO was 285 (264-347) Hounsfield units (HU), 416 (370-445) HU, 368 (320-388) HU, 373 (322-417) HU, 397 (330-432) HU, 425 (373-469) HU, 435 (385-468) HU, and 437 (392-491) HU, respectively (p < 0.05, IVC vs. the other anatomic sites). There was no significant difference in diagnostic success rate for attenuation > 250 HU between the IVC (41 children, 95.3%) and the other sites (43 children, 100%). A two-phase contrast injection protocol is useful for effective contrast enhancement in pediatric cardiac CT. PMID- 29214486 TI - Metabolism-mediated induction of zinc tolerance in Brassica rapa by Burkholderia cepacia CS2-1. AB - Brassica rapa (Chinese cabbage) is an essential component of traditional Korean food. However, the crop is often subject to zinc (Zn+) toxicity from contaminated irrigation water, which, as a result, compromises plant growth and production, as well as the health of human consumers. The present study investigated the bioaccumulation of Zn+ by Burkholderia cepacia CS2-1 and its effect on the heavy metal tolerance of Chinese cabbage. Strain CS2-1 was identified and characterized on the basis of 16S rRNA sequences and phylogenetic analysis. The strain actively produced indole-3-acetic acid (3.08 +/- 0.21 MUg/ml) and was also able to produce siderophore, solubilize minerals, and tolerate various concentrations of Zn+. The heavy metal tolerance of B. rapa plants was enhanced by CS2-1 inoculation, as indicated by growth attributes, Zn+ uptake, amino acid synthesis, antioxidant levels, and endogenous hormone (ABA and SA) synthesis. Without inoculation, the application of Zn+ negatively affected the growth and physiology of B. rapa plants. However, CS2-1 inoculation improved plant growth, lowered Zn+ uptake, altered both amino acid regulation and levels of flavonoids and phenolics, and significantly decreased levels of superoxide dismutase, endogenous abscisic acid, and salicylic acid. These findings indicate that B. cepacia CS2-1 is suitable for bioremediation against Zn+-induced oxidative stress. PMID- 29214487 TI - Effects of dietary poly-beta-hydroxybutyrate (PHB) on microbiota composition and the mTOR signaling pathway in the intestines of litopenaeus vannamei. AB - Poly-beta-hydroxybutyrate (PHB) is a natural polymer of the short chain fatty acid beta-hydroxybutyrate, which acts as a microbial control agent. The mammalian target of the rapamycin (mTOR) signaling pathway plays a crucial role in intestine inflammation and epithelial morphogenesis. In this study, we examined the composition of intestine microbiota, and mTOR signaling-related gene expression in Pacific white shrimp Litopenaeus vannamei fed diets containing different levels of PHB: 0% (Control), 1% (PHB1), 3% (PHB3), and 5% (PHB5) (w/w) for 35 days. High-throughput sequencing analysis revealed that dietary PHB altered the composition and diversity of intestine microbiota, and that the microbiota diversity decreased with the increasing doses of PHB. Specifically, dietary PHB increased the relative abundance of Proteobacteria and Tenericutes in the PHB1 and PHB5 groups, respectively, and increased that of Gammaproteobacteria in the three PHB groups. Alternatively, PHB decreased Alphaproteobacteria in the PHB3 and PHB5 groups. At the genus level, dietary PHB increased the abundance of beneficial bacteria, such as Bacillus, Lactobacillus, Lactococcus, Clostridium, and Bdellovibrio. The relative mRNA expression levels of the mTOR signaling related genes TOR, 4E-BP, eIF4E1alpha, and eIF4E2 all increased in the three PHB treatment groups. These results revealed that dietary PHB supplementation had a beneficial effect on intestine health of L. vannamei by modulating the composition of intestine microbiota and activating mTOR signaling. PMID- 29214488 TI - Electron microscopic observations of prokaryotic surface appendages. AB - Prokaryotic microbes possess a variety of appendages on their cell surfaces. The most commonly known surface appendages of bacteria include flagella, pili, curli, and spinae. Although archaea have archaella (archaeal flagella) and various types of pili that resemble those in bacteria, cannulae, and hami are unique to archaea. Typically involved in cell motility, flagella, the thickest appendages, are 20-26 nm and 10-14 nm wide in bacteria and archaea, respectively. Bacterial and archaeal pili are distinguished by their thin, short, hair-like structures. Curli appear as coiled and aggregative thin fibers, whereas spinae are tubular structures 50-70 nm in diameter in bacteria. Cannulae are characterized by ~25 nm wide tubules that enter periplasmic spaces and connect neighboring archaeal cells. Hami are 1-3 MUm in length and similar to barbed grappling hooks for attachment to bacteria. Recent advances in specimen preparation methods and image processing techniques have made cryo-transmission electron microscopy an essential tool for in situ structural analysis of microbes and their extracellular structures. PMID- 29214489 TI - Direct interaction between the transcription factors CadC and OmpR involved in the acid stress response of Salmonella enterica. AB - In Salmonella enterica serovar Typhimurium, the acid-sensing regulator CadC activates transcription of the cadBA operon which contributes to the acid tolerance response. The DNA-binding response regulator OmpR in two-component regulatory system with EnvZ binds to its own promoter for autoinduction. We previously reported that CadC exerts a negative influence on ompR transcription during acid adaptation. However, its underlying mechanisms remain to be elucidated. Here we show that the level of OmpR protein is gradually reduced by a gradual increase in the CadC level using an arabinose-inducible expression system, indicating there exists a negative correlation between the expression levels of two transcription factors. To explore the molecular basis for OmpR repression by CadC, we performed in vitro binding assays and determined that CadC directly interacts with OmpR. We further show that inactivation of cadC inhibits transcription of the fliC gene, which encodes the major flagellar subunit, resulting in impaired flagellar motility under acid-adaptation conditions. Together, our findings suggest that CadC may repress autoinduction of the OmpR response regulator through their direct interaction. PMID- 29214490 TI - Spirosoma migulaei sp. nov., isolated from soil. AB - A Gram-stain-negative, non-motile, non-spore-forming, rod-shaped, aerobic bacterium, designated 15J9-8T, was isolated from soil on Jeju Island, Republic of Korea. The isolate was able to grow between 10 and 30 degrees C, pH 6.5-8.5, and in presence of 0-1% (w/v) NaCl. The results of comparative 16S rRNA gene sequence analysis indicated that strain 15J9-8T represented a member of the family Cytophagaceae, phylum Bacteroidetes, and was most closely related to Spirosoma aerophilum 5516J-17T (96.1% similarity), Spirosoma pulveris JSH5-14T (95.6%), and Spirosoma linguale DSM 74T (95.2%). The G + C content of the genomic DNA of the isolate was 47.0 mol%. Strain 15J9-8T contained summed feature 3 (C16:1 omega7c/C16:1 omega6c), C16:1 omega5c, and iso-C15:0 as the major fatty acids, phosphatidylethanolamine and an unidentified aminophospholipid as the main polar lipids, and menaquinone MK-7 as the predominant respiratory quinone. On the basis of its phenotypic and genotypic properties, and phylogenetic distinctiveness, strain 15J9-8T should be classified as a representative of a novel species of the genus Spirosoma, for which the name Spirosoma migulaei sp. nov. is proposed. The type strain is 15J9-8T (=KCTC 52028T =JCM 31996T). PMID- 29214491 TI - Cecal microbiome divergence of broiler chickens by sex and body weight. AB - The divergence of gut bacterial community on broiler chickens has been reported as potentially possible keys to enhancing nutrient absorption, immune systems, and increasing poultry health and performance. Thus, we compared cecal bacterial communities and functional predictions by sex and body weight regarding the association between cecal microbiota and chicken growth performance. In this study, a total of 12 male and 12 female 1-day-old broiler chickens were raised for 35 days in 2 separate cages. Chickens were divided into 3 subgroups depending on body weight (low, medium, and high) by each sex. We compared chicken cecal microbiota compositions and its predictive functions by sex and body weight difference. We found that bacterial 16S rRNA genes were classified as 3 major phyla (Bacteroidetes, Firmicutes, and Proteobacteria), accounting for > 98% of the total bacterial community. The profiling of different bacterial taxa and predictive metagenome functions derived from 16S rRNA genes were performed over chicken sex and bodyweight. Male chickens were related to the enrichment of Bacteroides while female chickens were to the enrichment of Clostridium and Shigella. Male chickens with high body weight were associated with the enrichment of Faecalibacterium and Shuttleworthia. Carbohydrate and lipid metabolisms were suggested as candidate functions for weight gain in the males. This suggests that the variation of cecal bacterial communities and their functions by sex and body weight may be associated with the differences in the growth potentials of broiler chickens. PMID- 29214492 TI - An ethanol extract of Lysimachia mauritiana exhibits inhibitory activity against hepatitis E virus genotype 3 replication. AB - Hepatitis E virus (HEV) is an etiological agent of acute hepatitis E, a self limiting disease prevalent in developing countries. HEV can cause fulminant hepatic failure with high mortality rates in pregnant women, and genotype 3 is reported to trigger chronic hepatitis in immunocompromised individuals worldwide. Screening of plant extracts for compounds with potential anti-HEV effects led to the identification of a 70% ethanol extract of Lysimachia mauritiana (LME) that interferes with replication of the swine HEV genotype 3 replicon. Furthermore, LME significantly inhibited replication of HEV genotype 3 and expression of HEV ORF2 in infected cells without exerting cytotoxic effects. Collectively, our findings demonstrate the potential utility of LME in the development of novel antiviral drugs against HEV infection. PMID- 29214493 TI - Virgibacillus kimchii sp. nov., a halophilic bacterium isolated from kimchi. AB - A Gram-stain-positive, halophilic, rod-shaped, non-motile, spore forming bacterium, strain NKC1-2T, was isolated from kimchi, a Korean fermented food. Comparative analysis based on 16S rRNA gene sequence demonstrated that the isolated strain was a species of the genus Virgibacillus. Strain NKC1-2T exhibited high level of 16S rRNA gene sequence similarity with the type strains of Virgibacillus xinjiangensis SL6-1T (96.9%), V. sediminis YIM kkny3T (96.8%), and V. salarius SA-Vb1T (96.7%). The isolate grew at pH 6.5-10.0 (optimum, pH 8.5 9.0), 0.0-25.0% (w/v) NaCl (optimum, 10-15% NaCl), and 15-50 degrees C (optimum, 37 degrees C). The major menaquinone in the strain was menaquinone-7, and the main peptidoglycan of the strain was meso-diaminopimelic acid. The predominant fatty acids of the strain were iso-C14:0, anteisio-C15:0, iso- C15:0, and iso C16:0 (other components were < 10.0%). The polar lipids consisted of diphosphatidylglycerol and phosphatidylglycerol. The genomic DNA G + C content of NKC1-2T was 42.5 mol%. On the basis of these findings, strain NKC1-2T is proposed as a novel species in the genus Virgibacillus, for which the name Virgibacillus kimchii sp. nov. is proposed (=KACC 19404T =JCM 32284T). The type strain of Virgibacillus kimchii is NKC1-2T. PMID- 29214494 TI - Guinea pig complement potently measures vibriocidal activity of human antibodies in response to cholera vaccines. AB - The vibriocidal assay using guinea pig complement is widely used for the evaluation of immune responses to cholera vaccines in human clinical trials. However, it is unclear why guinea pig complement has been used over human complement in the measurement of vibriocidal activity of human sera and there have not been comparison studies for the use of guinea pig complement over those from other species. Therefore, we comparatively investigated the effects of complements derived from human, guinea pig, rabbit, and sheep on vibriocidal activity. Complements from guinea pig, rabbit, and human showed concentration dependent vibriocidal activity in the presence of quality control serum antibodies. Of these complements, guinea pig complement was the most sensitive and effective over a wide concentration range. When the vibriocidal activity of complements was measured in the absence of serum antibodies, human, sheep, and guinea pig complements showed vibriocidal activity up to 40-fold, 20-fold, and 1 fold dilution, respectively. For human pre- and post-vaccination sera, the most potent vibriocidal activity was observed when guinea pig complement was used. In addition, the highest fold-increases between pre- and post- vaccinated sera were obtained with guinea pig complement. Furthermore, human complement contained a higher amount of V. cholerae- and its lipopolysaccharide-specific antibodies than guinea pig complement. Collectively, these results suggest that guinea pig complements are suitable for vibriocidal assays due to their high sensitivity and effectiveness to human sera. PMID- 29214496 TI - Erratum to: Application of high-resolution melting analysis for differentiation of spoilage yeasts. AB - In the article by Erdem et al. published in Journal of Microbiology 2016; 54, 618 625, the figure 1 should be corrected as below. PMID- 29214495 TI - Comparison of anti-influenza virus activity and pharmacokinetics of oseltamivir free base and oseltamivir phosphate. AB - Influenza viruses are major human respiratory pathogens that cause high morbidity and mortality worldwide. Currently, prophylactic vaccines and therapeutic antiviral agents are used to prevent and control influenza virus infection. Oseltamivir free base (OSV-FB), a modified generic antiviral drug of Tamiflu (oseltamivir phosphate, OSV-P), was launched in the Republic of Korea last year. Here, we examine the bioequivalence of these two compounds by assessing their antiviral efficacy in infected cells and in a mouse model. It was observed that both antivirals showed comparable efficacy against 11 different influenza A and B viruses in vitro. Moreover, in mice infected with influenza A virus (mouse adapted A/Puerto Rico/8/34), they showed a dose-dependent therapeutic activity and alleviated infection-mediated reductions in body weight, leading to significantly better survival. There was histopathological disappearance of virus induced inflammatory cell infiltration of the lung after oral treatment with either antiviral agent (at 10 mg/kg). Pharmacokinetic analysis also exhibited similar plasma concentrations of the active drug, oseltamivir carboxylate, metabolised from both OSV-B and OSV-P. This is the first report showing bioequivalence of OSV-FB to its phosphate salt form in the mouse system. The free base drug has some beneficial points including simple drug formulation process and reduced risk of undesirable cation-phosphate precipitation within solution. The long term stability of OSV-FB requires further monitoring when it is provided as a national stock in readiness for an influenza pandemic. PMID- 29214497 TI - Comparing Reverse Complementary Genomic Words Based on Their Distance Distributions and Frequencies. AB - In this work, we study reverse complementary genomic word pairs in the human DNA, by comparing both the distance distribution and the frequency of a word to those of its reverse complement. Several measures of dissimilarity between distance distributions are considered, and it is found that the peak dissimilarity works best in this setting. We report the existence of reverse complementary word pairs with very dissimilar distance distributions, as well as word pairs with very similar distance distributions even when both distributions are irregular and contain strong peaks. The association between distribution dissimilarity and frequency discrepancy is also explored, and it is speculated that symmetric pairs combining low and high values of each measure may uncover features of interest. Taken together, our results suggest that some asymmetries in the human genome go far beyond Chargaff's rules. This study uses both the complete human genome and its repeat-masked version. PMID- 29214498 TI - Cloning and Aggregation Characterization of Rubber Elongation Factor and Small Rubber Particle Protein from Ficus carica. AB - Rubber elongation factor (REF) and small rubber particle protein (SRPP) are major latex proteins harvested from Hevea brasiliensis (the rubber tree; HbREF and HbSRPP, respectively). Their amino acid sequences exhibit high homology with each other. In the present study, we cloned two cDNAs encoding REF/SRPP-family proteins (FcREF/SRPP-1 and -2) from the laticifers of Ficus carica (fig tree). The amino acid sequences of these proteins showed high homology not only with each other but also with HbREF and HbSRPP. Recombinant FcREF/SRPP-1 and -2 were expressed in E. coli, and their aggregation properties were examined using a Congo red binding assay, agarose gel electrophoresis, and transmission electron microscopy. FcREF/SRPP-1 formed fibrils when incubated in PBS, and grew to micrometer-sized amorphous aggregates that precipitated rapidly. These aggregation properties of FcREF/SRPP-1 are quite similar to those of HbREF, although the growth rate and size of FcREF/SRPP-1 aggregates were inferior to those of HbREF. FcREF/SRPP-2 also formed aggregates during the incubation, but they did not precipitate, as has been reported for HbSRPP. Our results suggest that FcREF/SRPP-1 and -2 correspond to HbREF and HbSRPP, respectively. These aggregation properties could provide useful benchmarks for classifying REF/SRPP family proteins as REF or SRPP. PMID- 29214500 TI - Enhancing Cellulase and Hemicellulase Production in Trichoderma orientalis EU7-22 via Knockout of the creA. AB - The role of the transcription factor creA-mediating carbon catabolite repression in Trichoderma orientalis EU7-22 was investigated for cellulase and hemicellulase production. The binary vector pUR5750G/creA::hph was constructed to knock out creA by homologous integration, generating the DeltacreA mutant Trichoderma orientalis CF1D. For strain CF1D, the filter paper activities (FPA), endoglucanase activities (CMC), cellobiohydrolase activity(CBH), beta-glucosidase activity (BG), xylanase activity (XYN), and extracellular protein concentration were 1.45-, 1.15-, 1.71-, 2.51-, 2.72, and 1.95-fold higher in inducing medium and were 6.41-, 7.50-, 10.27-, 11.79-, 9.25-, and 3.77-fold higher in glucose repressing medium, respectively, than those in the parent strain after 4 days. SDS-PAGE demonstrated that the extracellular proteins were largely secreted in the mutant CF1D. Quantitative reverse-transcription polymerase chain reaction indicated that the expressions of cbh1, cbh2, eg1, eg2, bgl1, xyn1, and xyn2 were significantly increasing for the mutant CF1D not only in the inducing medium but also in the repressing medium. Those results indicated that creA was a valid target gene in strain engineering for improved enzyme production in T. orientalis. PMID- 29214499 TI - Microbial Degradation of Forensic Samples of Biological Origin: Potential Threat to Human DNA Typing. AB - Forensic biology is a sub-discipline of biological science with an amalgam of other branches of science used in the criminal justice system. Any nucleated cell/tissue harbouring DNA, either live or dead, can be used as forensic exhibits, a source of investigation through DNA typing. These biological materials of human origin are rich source of proteins, carbohydrates, lipids, trace elements as well as water and, thus, provide a virtuous milieu for the growth of microbes. The obstinate microbial growth augments the degradation process and is amplified with the passage of time and improper storage of the biological materials. Degradation of these biological materials carriages a huge challenge in the downstream processes of forensic DNA typing technique, such as short tandem repeats (STR) DNA typing. Microbial degradation yields improper or no PCR amplification, heterozygous peak imbalance, DNA contamination from non human sources, degradation of DNA by microbial by-products, etc. Consequently, the most precise STR DNA typing technique is nullified and definite opinion can be hardly given with degraded forensic exhibits. Thus, suitable precautionary measures should be taken for proper storage and processing of the biological exhibits to minimize their decaying process by micro-organisms. PMID- 29214501 TI - Mouse embryonic fibroblast (MEF)/BMP4-conditioned medium enhanced multipotency of human dental pulp cells. AB - Dental pulp cells (DPCs) are valuable cell source for dental regeneration, albeit their application is restricted by limited pluripotency due to current culture condition. Mouse embryonic fibroblasts (MEFs) are served as feeder layer to maintain undifferentiated state of iPSCs and ESCs with long-term in vitro culture. Bone morphogenetic protein 4 (BMP4) plays an important role in the regulation of undifferentiated state and lineage commitment of cells through modulation of microenvironment. However, so far little was known how micro environment affect the multipotency of dental derived cells. To demonstrate the effect of optimized culture condition on multipotency of DPCs, cell proliferation and senescence of DPCs with MEF and/or rhBMP4-CM were examined by CCK8, telomerase activity and flow cytometry. Multilineage differentiation was detected by immunofluorescent staining, Real-time PCR and western blot. Expression of BMP4/NFATc1/LIF in the co-culture medium was evaluated by ELISA and expression of Oct-4/Sox2/c-Myc/NFATc1 in co-cultured DPCs was detected by Real-time PCR. NFATc1 inhibitor INCA-6 was applied to DPCs with MEF and/or rhBMP4-CM, expression of NFATc1/Oct-4/Sox2/c-Myc was examined by Realtime PCR and western blot. Our results demonstrated that DPCs cultured with MEF and/or rhBMP4-CM showed increased cell proliferation, telomerase rate and multilineage differentiation capability. MEF-CM enhanced expression of Oct-4/Sox2/c-Myc/NFATc1 in co-cultured DPCs through secretion of BMP4/NFATc1 in the culture medium. INCA-6 effectively restrained the MEF/BMP4-CM induced upregulation of Oct-4/Sox2/c-Myc/NFATc1 in DPCs. These resuts indicate that both MEF-CM and BMP4-CM provided similar efficient culture system to improve the multipotency of DPCs, which might contribute to the application of DPCs in dental regeneration. PMID- 29214502 TI - Highly Efficient Inverted Perovskite Solar Cells with CdSe QDs/LiF Electron Transporting Layer. AB - Organic/inorganic hybrid perovskite solar cell has emerged as a very promising candidate for the next generation of near-commercial photovoltaic devices. Here in this work, we focus on the inverted perovskite solar cells and have found that remarkable photovoltaic performance could be obtained when using cadmium selenide (CdSe) quantum dots (QDs) as electron transporting layer (ETL) and lithium fluoride (LiF) as the buffer, with respect to the traditionally applied and high cost [6,6]-phenyl-C61-butyric acid methyl ester (PCBM). The easily processed and low-cost CdSe QDs/LiF double layer could facilitate convenient electron-transfer and collection at the perovskite/cathode interface, promoting an optoelectric conversion efficiency of as high as 15.1%, very close to that with the traditional PCBM ETL. Our work provides another promising choice on the ETL materials for the highly efficient and low-cost perovskite solar cells. PMID- 29214503 TI - Epidemiology and clinical characteristics of human coronaviruses OC43, 229E, NL63, and HKU1: a study of hospitalized children with acute respiratory tract infection in Guangzhou, China. AB - Human coronaviruses (HCoV) OC43, 229E, NL63, and HKU1 are common respiratory viruses which cause various respiratory diseases, including pneumonia. There is a paucity of evidence on the epidemiology and clinical manifestations of these four HCoV strains worldwide. We collected 11,399 throat swabs from hospitalized children with acute respiratory tract infection from July 2009 to June 2016 in Guangzhou, China. These were tested for four strains of HCoV infection using real time polymerase chain reaction (PCR). HCoV-positive patients were then tested for 11 other respiratory pathogens. 4.3% (489/11399) of patients were positive for HCoV, of which 3.0% were positive for OC43 (346/11399), 0.6% for 229E (65/11399), 0.5% for NL63 (60/11399), and 0.3% for HKU1 (38/11399). Patients aged 7-12 months had the highest prevalence of HCoV and OC43 when compared with other age groups (p < 0.001). The peak seasons of infection varied depending on the HCoV strain. Patients infected with a single strain of HCoV infection were less likely to present fever (>= 38 degrees C) (p = 0.014) and more likely to present pulmonary rales (p = 0.043) than those co-infected with more than one HCoV strain or other respiratory pathogens. There were also significant differences in the prevalence of certain symptoms, including coughing (p = 0.032), pneumonia (p = 0.026), and abnormal pulmonary rales (p = 0.002) according to the strain of HCoV detected. This retrospective study of the prevalence of four HCoV strains and clinical signs among a large population of pediatric patients in a subtropical region of China provides further insight into the epidemiology and clinical features of HCoV. PMID- 29214504 TI - Postmarketing experience with Neutrolin(r) (taurolidine, heparin, calcium citrate) catheter lock solution in hemodialysis patients. AB - Catheter-related bloodstream infections (CRBSI) are major complications for patients with life-threatening conditions requiring chronic vascular catheterization. The wide range of etiologic microbes and the ongoing development of resistance to antimicrobials with specific mechanisms of action make this an appropriate target for applying a nonspecific antimicrobial therapeutic. Taurolidine hydrolyzes into two antimicrobial moieties, formaldehyde and methylene glycol, which react with microbial surfaces. Neutrolin(r) (taurolidine, heparin, calcium citrate) was recently introduced in Germany as an antimicrobial catheter lock solution. This postmarketing experience collected data on 201 patients at 20 centers from January 2014 through September 2016. Likely CRBSI was observed in 13 episodes in 47,118 days (0.2759 per 1000 days [0.1468, 0.4718]). Thrombosed catheter was observed in seven catheters in 47,118 days (0.1486 per 1000 days [0.0595, 0.3061]). No adverse drug reactions that led to the discontinuation of Neutrolin(r) use were reported. Two patients experienced occasional transient dysgeusia. Neutrolin(r), when used in conjunction with guideline-based catheter care, showed reduction in the rate of both CRBSI and catheter thrombosis relative to recent historical controls. PMID- 29214505 TI - Efficacy and Safety of Three Cryotherapy Devices for Wart Treatment: A Randomized, Controlled, Investigator-Blinded, Comparative Study. AB - INTRODUCTION: Cutaneous warts are common skin lesions, caused by human papillomavirus. For years, liquid nitrogen is the cryogen of choice for wart treatment. Alternatively, several cryogenic devices for home treatment are commercially available. The present trial assessed efficacy and safety of a novel nitrous oxide-based cryogenic device for home use (EndWarts Freeze(r) in Europe, Compound W(r) Nitro-Freeze in the USA). METHODS: This investigator-blinded, controlled, randomized study compared the nitrous oxide device (test product) with a dimethylether propane-based product (Wartner(r); comparator 1). Subjects with common or plantar warts (50/50 ratio) were randomized into two groups (n = 58, test product; n = 40, comparator 1). Sequentially, an extra treatment arm (n = 40) was added to compare with a dimethylether-based product with metal nib (Wortie(r); comparator 2). Main objective implied comparison of the percentage cured subjects after one to maximum three treatments. Efficacy and safety was evaluated by a blinded investigator. RESULTS: After a maximum of three applications, a significantly (p = 0.001) higher cure rate of 70.7% (Intention-to Treat analysis) was observed with test product versus 46.2% (comparator 1) and 47.5% (comparator 2). Almost three times more subjects were cured after 1 test product application (29.3%), versus comparator 1 (10.4%) and comparator 2 (12.5%). Reported side effects were transient and typical of cryotherapy. All treatments were well-tolerated. CONCLUSION: The superior cure rates for the test product versus two comparators can be explained by its design. Combination of nitrous oxide (cooling agent), the specific activation method (holding the liquid coolant in the cap), and skin-conforming polyurethane foam, results in higher cooling efficiency (- 80 degrees C) and more effective wart freezing. This trial demonstrated that the nitrous oxide device is a safe, user-friendly and effective wart treatment for home use, comparing favourably to dimethylether (propane) devices with higher freezing temperature, regardless of the applicator type. FUNDING: Oystershell Laboratories. TRIAL REGISTRATION: Clinicaltrials.gov identifier, NCT03129373. PMID- 29214506 TI - Pharmacokinetics of Oral and Intravenous Paracetamol (Acetaminophen) When Co Administered with Intravenous Morphine in Healthy Adult Subjects. AB - BACKGROUND AND OBJECTIVE: Several features favor paracetamol (acetaminophen) administration by the intravenous rather than the oral route in the postoperative setting. This study compared the pharmacokinetics and bioavailability of oral and intravenous paracetamol when given with or without an opioid, morphine. METHODS: In this randomized, single-blind, parallel, repeat-dose study in healthy adults, subjects received four repeat doses of oral or intravenous 1000 mg paracetamol at 6-h intervals, and morphine infusions (0.125 mg/kg) at the 2nd and 3rd intervals. Comparisons of plasma pharmacokinetic profiles were conducted before, during, and after opioid co-administrations. RESULTS: Twenty-two subjects were included in the pharmacokinetic analysis. Observed paracetamol peak concentration (C max) and area under the plasma concentration-time curve over the dosing interval (AUC0-6) were reduced when oral paracetamol was co-administered with morphine (reduced from 11.6 to 7.25 ug/mL and from 31.00 to 25.51 ug.h/mL, respectively), followed by an abruptly increased C max and AUC0-6 upon discontinuation of morphine (to 13.5 ug/mL and 52.38 ug.h/mL, respectively). There was also a significantly prolonged mean time to peak plasma concentration (T max) after the 4th dose of oral paracetamol (2.84 h) compared to the 1st dose (1.48 h). However, pharmacokinetic parameters of paracetamol were not impacted when intravenous paracetamol was co-administered with morphine. CONCLUSIONS: Morphine co administration significantly impacted the pharmacokinetics of oral but not intravenous paracetamol. The abrupt release of accumulated paracetamol at the end of morphine-mediated gastrointestinal inhibition following oral but not intravenous administration of paracetamol suggests that intravenous paracetamol provides a better option for the management of postoperative pain. CLINICALTRIALS. GOV IDENTIFIER: NCT02848729. PMID- 29214507 TI - Comparison of Once-Daily Bemiparin with Twice-Daily Enoxaparin for Acute Deep Vein Thrombosis: A Multicenter, Open-Label, Randomized Controlled Trial. AB - BACKGROUND: Individuals with deep vein thrombosis (DVT) have an increased risk of pulmonary embolism (PE), death, and long-term thrombotic complications. OBJECTIVES: To evaluate the efficacy and safety of bemiparin once daily versus enoxaparin twice daily in the treatment of acute DVT, and to establish therapeutic non-inferiority of bemiparin. PATIENTS AND METHODS: This multicenter, randomized, open-label, active-controlled phase III clinical trial enrolled patients with acute proximal DVT confirmed by complete compression ultrasound (CCUS). Patients received bemiparin once daily or enoxaparin twice daily subcutaneously for 7 days, in combination with warfarin 5 mg/day. Assessment of thrombotic burden was blinded and used CCUS recordings. The primary efficacy endpoint was the percentage of patients with an improvement in thrombotic burden at day 83 (end of follow-up); the secondary efficacy endpoint was the incidence of symptomatic recurrent DVT and PE. Safety endpoints included treatment-emergent adverse events. RESULTS: Three-hundred and twelve patients were enrolled (~ 62% male; mean age 55.2 years). At least one DVT risk factor was present in 26.1% and 28.7% of the bemiparin and enoxaparin groups, respectively. The proportion of patients who had an improvement in thrombotic burden was similar for bemiparin (78.2%) and enoxaparin [80.8%; difference - 2.66 (97.5% CI - 12.39; infinity)], as was mean change in thrombus score (- 8.8 and - 8.6, respectively). There were no cases of recurrent DVT, and one case of non-fatal symptomatic PE in each treatment group. No major bleeding was reported, and there was no difference in the incidence of non-major bleeding. CONCLUSIONS: The efficacy of bemiparin administered once daily is non-inferior to that of enoxaparin administered twice daily with a similar safety profile. CLINICALTRIALS. GOV IDENTIFIER: NCT01880216. PMID- 29214508 TI - Bone histomorphometry in acromegaly patients with fragility vertebral fractures. AB - CONTEXT: The high risk of vertebral fractures (VFs) in acromegaly patients despite normal bone mineral density (BMD) is well known. The reasons for this paradoxical finding of skeleton fragility are poorly understood due to the limited data on bone histomorphometry in acromegaly. OBJECTIVE: This study aimed to analyze histomorphometric parameters including bone microarchitecture in acromegaly patients with VFs and normal BMD compared to normal subjects, and also to evaluate the differences between active and controlled acromegaly patients. PATIENTS AND METHODS: Forty-seven acromegaly patients (17 active, 30 controlled), median (range) age 57 years (30-88) were evaluated for bone turnover, morphometric VFs and BMD by dual-energy X-ray absorptiometry at lumbar spine and hip; 12 patients with VFs and normal BMD underwent iliac crest bone biopsy; 12 biopsies were taken at the autopsy in healthy sex and age-matched control subjects. RESULTS: The histomorphometric evaluation of acromegaly fractured patients was compared with that of normal controls and showed significantly reduced median (range) levels of bone volume/tissue volume (BV/TV: 15.37% (7.93 26.75) vs. 18.61% (11.75-27.31), p = 0.036), trabecular thickness (TbTh: 77.6 um (61.7-88.3) vs. 82.7 um (72.3-92.0) p = 0.045), with increased trabecular separation (TbSp: 536.4 um (356.2-900.6) vs. 370.3 um (377.1-546.3) p = 0.038) and increased cortical thickness (1268 MUm (752-2521) vs. 1065 MUm (851-1205) p = 0.025) and porosity (11.9% (10.2-13.3) vs. 4.8% (1.6-8.8) p = 0.0008). While active acromegaly patients showed histomophometric features of increased bone turnover, patients with controlled disease presented normal bone turnover with significantly lower osteoblastic activity, expressed as osteoblast number (p = 0.001), active osteoblasts and vigor (p = 0.014) in the presence of reduced osteocyte number (p = 0.008) compared to active disease. CONCLUSIONS: The apparent paradox of bone fragility in acromegaly patients with a normal BMD can be explained by increased cortical thickness and porosity and reduced trabecular thickness with increased trabecular separation. These structural and microarchitectural abnormalities persist in the controlled phase of acromegaly despite bone turnover normalization. The main determinant of bone disease after hormonal control is severe osteoblastic dysfunction. PMID- 29214509 TI - A three-dimensional stereotaxic atlas of the gray short-tailed opossum (Monodelphis domestica) brain. AB - The gray short-tailed opossum (Monodelphis domestica) is a small marsupial gaining recognition as a laboratory animal in biomedical research. Despite numerous studies on opossum neuroanatomy, a consistent and comprehensive neuroanatomical reference for this species is still missing. Here we present the first three-dimensional, multimodal atlas of the Monodelphis opossum brain. It is based on four complementary imaging modalities: high resolution ex vivo magnetic resonance images, micro-computed tomography scans of the cranium, images of the face of the cutting block, and series of sections stained with the Nissl method and for myelinated fibers. Individual imaging modalities were reconstructed into a three-dimensional form and then registered to the MR image by means of affine and deformable registration routines. Based on a superimposition of the 3D images, 113 anatomical structures were demarcated and the volumes of individual regions were measured. The stereotaxic coordinate system was defined using a set of cranial landmarks: interaural line, bregma, and lambda, which allows for easy expression of any location within the brain with respect to the skull. The atlas is released under the Creative Commons license and available through various digital atlasing web services. PMID- 29214510 TI - Myeloid deficiency of CCN3 exacerbates liver injury in a mouse model of nonalcoholic fatty liver disease. AB - Non-alcoholic fatty liver disease (NAFLD) is a condition in which fat accumulates in the liver of patients without a prior history of alcohol abuse. The most severe form, nonalcoholic steatohepatitis (NASH), often leads to hepatic fibrosis and cirrhosis with ensuing complications. To date, there is no pharmacologic treatment for NASH. The biological effects of CCN3, specifically its role in the regulation of inflammation, reactive oxygen species production and angiogenesis, have been recently established. Additional data suggests that CCN3 is associated with the development of tumors in the liver yet may be protective of liver fibrogenesis. Currently, the role of CCN3 in NAFLD/NASH remains unexplored. Therefore, the objective of our investigation was to decipher the role of myeloid deficient CCN3 in the pathogenesis of NASH and the underlying mechanisms of CCN3 in modulation of hepatic function. Wild type and myeloid CCN3-deficient mice were fed a methionine- and choline-deficient diet to induced NASH. Increased lipid, cholesterol, and cholesterol ester accumulation was observed in myeloid CCN3 deficient mice when compared to the control group. This disease state was associated with alterations of key genes involved in lipid synthesis, beta oxidation and lipid uptake. Additionally, the levels of important molecules critical for inflammation, ROS generation, ER stress and liver injury were significantly elevated; as was the observed severity of hepatic apoptosis and necroptosis. Therefore, CCN3 is critical for protection from hepatic apoptosis and necroptosis in our induced NASH model and our findings suggest that CCN3 can be exploited as a therapeutic target for the treatment of NASH. PMID- 29214511 TI - Managing Gout Flares in the Elderly: Practical Considerations. AB - Gout is common in the elderly, affecting an estimated 4.7 million people aged > 60 years in the USA alone. The incidence and prevalence of gout increases, and male predisposition to gout reduces, with increasing age. The elderly have more comorbidities, and gout manifests differently, with more frequent involvement of knees, ankles, and wrists at disease onset, systemic upset, and tophi. Comorbidities and polypharmacy make the management of gout flares challenging in this population. Intra-articular corticosteroid injection remains the treatment of choice for accessible joints, oral prednisolone is preferred over low-dose colchicine, and non-steroidal anti-inflammatory drugs (NSAIDs) are best avoided. Xanthine oxidase inhibitors (XOI) remain the first-line treatment for hyperuricemia in the elderly. Arhalofenate, an emerging uricosuric anti inflammatory drug, prevents gout flares while reducing serum urate. It may be particularly relevant in the treatment of gout in the elderly as they are unable to tolerate long-term colchicine for flare prophylaxis and frequently have contraindications to corticosteroids and NSAIDs. However, given its modest urate lowering effect, it can only be used in combination with an XOI, and the safety and efficacy of this drug has not been examined in the elderly or in those with chronic kidney disease. Diuretics and beta-blockers should be discontinued where feasible, whereas low-dose aspirin can be continued if otherwise indicated. PMID- 29214512 TI - Anticholinergic Prescribing in Medicare Part D Beneficiaries Residing in Nursing Homes: Results from a Retrospective Cross-Sectional Analysis of Medicare Data. AB - BACKGROUND: Prescribing of medications with anticholinergic properties in older nursing home residents is relatively common, despite an association with an increased risk for falls, delirium, and other outcomes. Few studies have investigated what factors influence different levels of prescribing of these agents. OBJECTIVES: The primary objective was to identify factors associated with low- and high-level anticholinergic burden in nursing home residents. A secondary objective was to examine in detail the contribution of different medications to low versus high burden to aid in determining which drugs to target in interventions. METHODS: This was a retrospective, cross-sectional analysis of a national sample of 2009-2010 Medicare Part A and B claims, Part D prescription drug events, and Minimum Data Set (MDS) v2.0 assessments. The cohort included 4730 Medicare beneficiaries aged >= 65 years with continuous Medicare Parts A, B, and D enrollment, admitted for non-skilled stays of >= 14 days between 1 January 2010 and 30 September 2010. Anticholinergic burden was defined using the Anticholinergic Cognitive Burden (ACB) scale. Medication scores were summed at the patient level and categorized as high (score >= 3), low (score 1-2), or none. Baseline predisposing factors (age, sex, race/ethnicity), enabling factors (prior year hospitalization, emergency department, primary care, specialist visits; region; Medicaid/low-income subsidy), and medical need factors (dementia severity, anti-dementia medication, Charlson co-morbidity index [CCI], select comorbidities) were evaluated for association with anticholinergic burden using multinomial logistic regression. RESULTS: Overall, 29.6% of subjects had a high anticholinergic burden and 35.2% had a low burden. High burden was most often (72%) due to one highly anticholinergic medication rather than a cumulative effect. In adjusted analyses, factors associated with increased risk of both low and high anticholinergic burden included comorbidity, antidementia medication, depression, hypertension, and prior year hospitalization. Older age was associated with decreased odds of high anticholinergic burden. Urinary incontinence and prior year specialist visit were associated with increased odds of high anticholinergic burden. Severe and nonsevere dementia were associated with decreased odds of low burden but increased odds of high burden. CONCLUSION: Almost two-thirds of nursing home patients have some degree of anticholinergic burden. Several medical need variables are significantly associated with increased risk for low and high anticholinergic burden. Interventions should be developed to optimize prescribing for residents at increased risk of receiving medications with anticholinergic properties. Future study is needed to evaluate the difference in the risk of adverse outcomes associated with various levels of anticholinergic burden. PMID- 29214513 TI - Hyper-response to Novelty Increases c-Fos Expression in the Hippocampus and Prefrontal Cortex in a Rat Model of Schizophrenia. AB - Schizophrenia is a debilitating disorder that may have a neurodevelopmental origin. For this reason, animal models based on neonatal insults or manipulations have been extensively used to demonstrate schizophrenia-related behaviors. Among those, the neonatal ventral hippocampus lesion (nVHL) is largely used as a model of schizophrenia-related behavior as it mimics behavioral and neurochemical abnormalities often seen in schizophrenic patients including hyperlocomotion in a novel environment. To investigate the neuroanatomical basis of coding novelty in the nVHL rat, we assessed the behavioral locomotor activity paradigm in a novel environment and measured expression of c-Fos, a marker of neural activation, in brain regions involved in the process of coding novelty or locomotion. Upon reaching adulthood, nVHL rats showed hyperlocomotion in the novel environment paradigm. Moreover, in nVHL rats the expression of c-Fos was greater in the prefrontal cortex (PFC) and CA1 region of the dorsal hippocampus compared to sham rats. Whereas similar expression of c-Fos was observed in the basolateral amygdala, nucleus accumbens and dentate gyrus region of hippocampus of nVHL and sham rats. These results suggest that the nVHL disrupts the neural activity in the PFC and CA1 region of hippocampus in the process of coding novelty in the rat. PMID- 29214514 TI - Predictors of upstage diagnosis after endoscopic resection of gastric low-grade dysplasia. AB - BACKGROUND: The optimal management of precursor lesions such as gastric low-grade dysplasia is crucial in order to improve gastric cancer-related mortality. However, there are no universally accepted management guidelines regarding which lesions should be resected or should be monitored by follow-up visits. PATIENTS AND METHODS: We retrospectively analyzed data from 1006 gastric low-grade dysplasia lesions that had been resected via endoscopic submucosal dissection. We also evaluated the endoscopic risk factors associated with upstage diagnosis from low-grade dysplasia to high-grade dysplasia or gastric cancer. RESULTS: The mean age of our patients was 63.7 +/- 9.1 years and 70.3% of our study population included men. The predominant location and gross type of lesions was the lower third of the stomach (78.6%) and the elevated type (57.8%), respectively. The rates of pathological concordance, upstage, and downstage diagnosis were 85.3, 12.1, and 2.6%, respectively. Multivariate analysis, after adjusting for age and sex, showed that a lesion size >= 10 mm (Odds ratio [OR] 2.231; p = 0.003), erythema (OR 7.315; p < 0.001), nodularity (OR 5.589; p < 0.001), depression (OR 3.024; p = 0.002), and erosion (OR 7.680; p < 0.001) were all factors significantly associated with upstage diagnosis. Furthermore, an increasing number of risk factors was associated with an increasing frequency of upstage diagnosis; if there were no risk factors, then there was no upstage diagnosis. CONCLUSIONS: This study identified several risk factors that were significantly associated with the upstage diagnosis of gastric low-grade dysplasia: lesion size >= 10 mm and a variety of surface changes (erythema, nodularity, depression, and erosion). Our data indicate that if there is no evidence of these endoscopic risk factors, then regular follow-up may be considered, according to the patient's combined comorbid conditions. PMID- 29214515 TI - Robotic skills can be aided by laparoscopic training. AB - BACKGROUND: General Surgery is currently the fastest growing specialty with regards to robotic surgical system utilization. Contrary to the experience in laparoscopy, simulator training for robotic surgery is not widely employed partly because robotic surgical simulators are expensive. We sought to determine the effect of a robotic simulation curriculum and whether robotic surgical skills could be derived from those psychomotor skills attained in laparoscopic training. METHODS: Twenty-seven trainees with no prior robotic experience and limited laparoscopy exposure were randomly assigned to one of three training groups: no simulator training, training on a fundamentals of laparoscopic surgery (FLSTM) standard box trainer, and training on a robotic computer based simulator (da Vinci Skills SimulatorTM). Baseline robotic surgical skills were assessed on the clinical robot docked to a standard FLS trainer box on two tasks-intracorporeal knot tying and peg transfer. Subjects subsequently underwent four 1-h long training sessions in their assigned training environment over a course of several weeks. Robotic surgical skills were reassessed on the robot on the same two tasks used to assess skills prior to training. RESULTS: FLS training resulted in a greater score improvement than no training for both knot and peg scores. FLS training was also determined to result in greater score improvement than robotic simulator training for knot tying. There was no significant difference in peg transfer or knot tying scores when comparing robotic simulator training and no training. CONCLUSIONS: Robotic surgical skills can be in part derived from psychomotor skills developed in a laparoscopic trainer, especially for complex skills such as intracorporeal knot tying. Acquisition of robotic surgical skills may be enhanced by practice on a laparoscopic simulator using the FLS curriculum. This may be especially helpful when a robotic simulator is not available or is poorly accessible. PMID- 29214516 TI - Advances in stereotactic navigation for pelvic surgery. AB - BACKGROUND: Stereotactic navigation could improve the quality of surgery for rectal cancer. Critical challenges related to soft tissue stereotactic pelvic navigation include the potential difference in patient anatomy between intraoperative lithotomy and preoperative supine position for imaging. The objective of this study was to determine the difference in patient anatomy, sacral tilt, and skin fiducial position between these different patient positions and to investigate the feasibility and optimal set-up for stereotactic pelvic navigation. METHODS: Four consecutive human anatomical specimens were submitted to repeated CT-scans in a supine and several degrees of lithotomy position. Patient anatomy, sacral tilt, and skin fiducial position were compared by means of an image computing platform. In two specimens, a 10-degree wedge was introduced to reduce the natural tilt of the sacrum during the shift from supine to lithotomy position. A simulation of laparoscopic and transanal surgical procedures was performed to assess the accuracy of the stereotactic navigation. RESULTS: An up-to-supracentimetric change in patient anatomy was noted between different patient positions. This observation was minimized through the application of a wedge. When switching from supine to another position, sacral retroversion occurred independent of the use of a wedge. There was considerable skin fiducial motion between different positions. Accurate stereotactic navigation was obtained with the least registration error (1.9 mm) when the position of the anatomical specimen was registered in a supine position with straight legs, without pneumoperitoneum, using a conventional CT-scan with an identical specimen positioning. CONCLUSION: The change in patient anatomy is small during the sacral tilt induced by positional changes when using a 10-degree wedge, allowing for an accurate stereotactic surgical navigation. This opens up new promising opportunities to increase the quality of surgery for rectal cancer cases where it is difficult or impossible to identify and dissect along the anatomical planes. PMID- 29214517 TI - Investigating and characterizing the binding activity of the immobilized calmodulin to calmodulin-dependent protein kinase I binding domain with atomic force microscopy. AB - Protein-protein interactions are responsible for many biological processes, and the study of how proteins undergo a conformational change induced by other proteins in the immobilized state can help us to understand a protein's function and behavior, empower the current knowledge on molecular etiology of disease, as well as the discovery of putative protein targets of therapeutic interest. In this study, a bottom-up approach was utilized to fabricate micro/nanometer-scale protein patterns. One cysteine mutated calmodulin (CaM), as a model protein, was immobilized on thiol-terminated pattern surfaces. Atomic Force Microscopy (AFM) was then employed as a tool to investigate the interactions between CaM and CaM kinase I binding domain, and show that the immobilized CaM retains its activity to interact with its target protein. Our work demonstrate the potential of employing AFM to the research and assay works evolving surface-based protein protein interactions biosensors, bioelectronics or drug screening. PMID- 29214518 TI - Outcome of older persons admitted to intensive care unit, mortality, prognosis factors, dependency scores and ability trajectory within 1 year: a prospective cohort study. AB - BACKGROUND: The outcome and functional trajectory of older persons admitted to intensive care (ICU) unit remain a true question for critical care physicians and geriatricians, due to the heterogeneity of geriatric population, heterogeneity of practices and absence of guidelines. AIM: To describe the 1-year outcome, prognosis factors and functional trajectory for older people admitted to ICU. METHODS: In a prospective 1-year cohort study, all patients aged 75 years and over admitted to our ICU were included according to a global comprehensive geriatric assessment. Follow-up was conducted for 1 year survivors, in particular, ability scores and living conditions. RESULTS: Of 188 patients included [aged 82.3 +/- 4.7 years, 46% of admissions, median SAPS II 53.5 (43 74), ADL of Katz's score 4.2 +/- 1.6, median Barthel's index 71 (55-90), AGGIR scale 4.5 +/- 1.5], the ICU, hospital and 1-year mortality were, respectively, 34, 42.5 and 65.5%. Prognosis factors were: SAPS 2, mechanical ventilation, comorbidity (Lee's and Mc Cabe's scores), disability scores (ADL of Katz's score, Barthel's index and AGGIR scale), admission creatinin, hypoalbuminemia, malignant haemopathy, cognitive impairment. One-year survivors lived in their own home for 83%, with a preserved physical ability, without significant variation of the three ability assessed scores compared to prior ICU admission. CONCLUSION: The mortality of older people admitted to ICU is high, with a significant impact of disabilty scores, and preserved 1-year survivor independency. Other studies, including a better comprehensive geriatric assessment, seem necessary to determine a predictive "phenotype" of survival with a "satisfactory" level of autonomy. PMID- 29214519 TI - Functional capacity improves in-line with neuromuscular performance after 12 weeks of non-linear periodization strength training in the elderly. AB - BACKGROUND: While it is accepted that resistance training can improve functional capacity in older individuals, the neuromuscular source of this improvement has yet to be identified. AIM: This study investigated the link between improved neuromuscular performance and functional capacity after a 12-week resistance training period in untrained healthy older individuals. METHODS: Fifteen older men and women (60-71 years) adhered to a 4-week control period, followed by 12 weeks of non-linear resistance training for the lower limbs. Maximum dynamic leg press strength (1-RM), maximum isometric knee extension torque and rate of torque development (RTD) were evaluated at - 4, 0, 4, 8, and 12 weeks, and muscle activity was assessed at 0, 4, 8, and 12 weeks. Functional capacity tests (chair rise, stair ascent and descent, and timed up and go) were performed at - 4, 0, and 12 weeks. RESULTS: No changes occurred during the control period, but the group increased their 1-RM strength (from 142 +/- 53 to 198 +/- 43 kg, p = 0.001), which was accompanied by an increase in vastus lateralis activation (p = 0.008) during the intervention. Increase was observed at all RTD time intervals at week 8 (p < 0.05). Significant improvements in all the functional capacity tests were observed at week 12 (p < 0.05). DISCUSSION: Despite the expected increase in strength, RTD, muscle activity, and functional capacity, there was no significant relationship between the changes in neuromuscular performance and functional capacity. While resistance training elicits various positive improvements in healthy older individuals, actual strength gain did not influence the gain in functional capacity. CONCLUSION: The present study highlights the exact cause that improved the functional capabilities during resistance training are currently unknown. PMID- 29214520 TI - High density SNP and DArT-based genetic linkage maps of two closely related oil palm populations. AB - Oil palm (Elaeis guineensis Jacq.) is an outbreeding perennial tree crop with long breeding cycles, typically 12 years. Molecular marker technologies can greatly improve the breeding efficiency of oil palm. This study reports the first use of the DArTseq platform to genotype two closely related self-pollinated oil palm populations, namely AA0768 and AA0769 with 48 and 58 progeny respectively. Genetic maps were constructed using the DArT and SNP markers generated in combination with anchor SSR markers. Both maps consisted of 16 major independent linkage groups (2n = 2* = 32) with 1399 and 1466 mapped markers for the AA0768 and AA0769 populations, respectively, including the morphological trait "shell thickness" (Sh). The map lengths were 1873.7 and 1720.6 cM with an average marker density of 1.34 and 1.17 cM, respectively. The integrated map was 1803.1 cM long with 2066 mapped markers and average marker density of 0.87 cM. A total of 82% of the DArTseq marker sequence tags identified a single site in the published genome sequence, suggesting preferential targeting of gene-rich regions by DArTseq markers. Map integration of higher density focused around the Sh region identified closely linked markers to the Sh, with D.15322 marker 0.24 cM away from the morphological trait and 5071 bp from the transcriptional start of the published SHELL gene. Identification of the Sh marker demonstrates the robustness of using the DArTseq platform to generate high density genetic maps of oil palm with good genome coverage. Both genetic maps and integrated maps will be useful for quantitative trait loci analysis of important yield traits as well as potentially assisting the anchoring of genetic maps to genomic sequences. PMID- 29214521 TI - Photo- and Electrochemical Valorization of Carbon Dioxide Using Earth-Abundant Molecular Catalysts. AB - The dramatic increase in anthropogenic carbon dioxide emissions in recent decades has forced us to look for alternative carbon-neutral processes for the production of energy vectors and commodity chemicals. Photo- and electrochemical reduction of CO2 are appealing strategies for the storage of sustainable and intermittent energies in the form of chemical bonds of synthetic fuels and value-added molecules. In these approaches, carbon dioxide is converted to products such as CO, HCOOH and MeOH through proton-coupled electron transfer reactions. The use of earth-abundant elements as components of the catalytic materials is crucial for the large-scale applicability of this technology. This review summarizes the most recent advances related to this issue, with particular focus on studies where molecular metal complexes are used as catalysts. In addition, with the aim of aiding in the design of more robust and efficient non-noble metal-based catalysts, we discuss the lessons learned from the corresponding mechanistic studies. PMID- 29214522 TI - On the source of non-linear light absorbance in photosynthetic samples. AB - This study presents a mathematical model, which expresses the absorbance of a photosynthetic sample as a non-linear polynomial of selected reference absorbance. The non-linearity is explained by inhomogeneities of a product of pigment concentration and light path length in the sample. The quadratic term of the polynomial reflects the extent of inhomogeneities, and the cubic term is related to deviation of the product distribution from a symmetric one. The model was tested by measurements of suspension of unstacked tobacco thylakoid membranes of different chlorophyll concentrations in cuvettes of different thicknesses. The absorbance was calculated from the diffuse transmittance and reflectance of sample, illuminated by perpendicular collimated light. The evaluated quantity was a sensitivity defined as the relative difference between the sample absorbance and the reference absorbance to the reference absorbance. The non-linearity of sample absorbance was demonstrated by a characteristic deviation of the sensitivity spectrum from a constant value. The absorbance non-linearity decreased on an increase of the product of pigment concentration and cuvette thickness. The model suggests that the sieve and detour effects influence the absorbance in a similar way. The model may be of interest in modeling of leaf or canopy optics including light absorption and scattering. PMID- 29214523 TI - Haematopoietic Stem Cell Transplantation Arrests the Progression of Neurodegenerative Disease in Late-Onset Tay-Sachs Disease. AB - : Tay-Sachs disease is a rare metabolic disease caused by a deficiency of hexosaminidase A that leads to accumulation of GM2 gangliosides predominantly in neural tissue. Late-onset Tay-Sachs disease variant is associated with a higher level of residual HexA activity. Treatment options are limited, and there are a few described cases who have undergone haematopoietic stem cell transplantation (HSCT) with variable outcome.We describe a case of a 23-year-old male patient who presented with a long-standing tremor since 7 years of age. He had gait ataxia, a speech stammer and swallowing problems. His condition had had a static course apart from his tremor that had been gradually deteriorating. Because of the deterioration in his neurological function, the patient had an uneventful, matched-sibling donor bone marrow transplant at the age of 15 years. Eight years post-HSCT, at the age of 23, he retains full donor engraftment, and his white cell beta-HexA of 191 nmol/mg/h is comparable to normal controls (in-assay control = 187). He continues to experience some intentional tremor that is tolerable for daily life and nonprogressive since HSCT. CONCLUSION: HSCT is a potential treatment option which might arrest neurodegeneration in patients with LOTS. PMID- 29214524 TI - Effect of Storage Conditions on Stability of Ophthalmological Compounded Cysteamine Eye Drops. AB - Cystinosis is a hereditary genetic disease that results in the accumulation of cystine crystals in the lysosomes, leading to many clinical manifestations. One of these manifestations is the formation of corneal cystine crystals, which can cause serious ocular complications. The only available drug to treat cystinosis is cysteamine, which breaks cystine and depletes its accumulation in the lysosomes. However, the oral form of cysteamine is not effective in treating corneal manifestations. Thus, ophthalmic solutions of cysteamine are applied. Because the commercial cysteamine eye drops are not available in most countries, hospital pharmacies are responsible for preparing "homemade" drops usually without a control of stability of cysteamine in different storage conditions. Hence, we aimed in this study to investigate the effect of different storage conditions on the stability of a cysteamine ophthalmic compounded solution. Cysteamine ophthalmic solution was prepared in the hospital pharmacy and sterilized using a candle filter. The preparations are then stored either in the freezer at -20 degrees C or in the refrigerator at +4 degrees C for up to 52 weeks. The amount of cysteamine hydrochloride in the preparation at different time points was determined using capillary electrophoresis (CE). Storage of the cysteamine ophthalmic preparations at +4 degrees resulted in significant loss of free cysteamine at all time points, from 1 to 52 weeks of storage, when compared with storage in the freezer (-20 degrees C). We demonstrate that cysteamine 0.5% compounded eye drops are easily oxidized within the first week after storage at +4 degrees C, rendering the preparation less effective. Storage at -20 degrees C is recommended to prevent this process. PMID- 29214525 TI - Treatment of melanoma with selected inhibitors of signaling kinases effectively reduces proliferation and induces expression of cell cycle inhibitors. AB - Cancer treatment often tends to involve direct targeting enzymes essential for the growth and proliferation of cancer cells. The aim of this study was the recognition of the possible role of selected protein kinases: PI3K, ERK1/2, and mTOR in cell proliferation and cell cycle in malignant melanoma. We investigated the role of protein kinase inhibitors: U0126 (ERK1/2), LY294002 (PI3K), rapamycin (mTOR), everolimus (mTOR), GDC-0879 (B-RAF), and CHIR-99021 (GSK3beta) in cell proliferation and expression of crucial regulatory cell cycle proteins in human melanoma cells: WM793 (VGP) and Lu1205 (metastatic). They were used either individually or in various combinations. The study on the effect of signaling kinases inhibitors on proliferation-BrdU ELISA test after 48-72 h. Their effect on the expression of cell cycle regulatory proteins: cyclin D1 and D3, cyclin dependent kinase CDK4 and CDK6, and cell cycle inhibitors: p16, p21, and p27, was studied at the protein level (western blot). Treatment of melanoma cells with protein kinase inhibitors led to significantly decreased cell proliferation except the use of a GSK-3beta kinase inhibitors-CHIR-99021. The significant decrease in the expression of selected cyclins and cyclin-dependent kinases (CDKs) with parallel increase in the expression of some of cyclin-dependent kinases inhibitors and in consequence meaningful reduction in melanoma cell proliferation by the combinations of inhibitors of signaling kinases clearly showed the crucial role of AKT, ERK 1/2, and mTOR signal transduction in melanoma progression. The results unanimously indicate those pathways as an important target for treatment of melanoma. PMID- 29214526 TI - High-intensity interval training lowers blood pressure and improves apelin and NOx plasma levels in older treated hypertensive individuals. AB - Hypertension is the major risk factor for cardiovascular diseases and is one of the primary causes of morbidity and mortality worldwide. Apelin levels and NO bioavailability are impaired in older hypertensive patients. Exercise is an effective intervention for treating hypertension. Our purpose was to evaluate the effect of high-intensity interval training on blood pressure, apelin, and NOx plasma levels in older treated hypertensive individuals. Thirty treated hypertensive subjects (61.70 +/- 5.78 years, 17 males, 13 females) were randomly divided into 6 weeks of high-intensity interval training (n = 15) and control (n = 15). The exercise training was conducted for three 35-min sessions a week (1.5 min interval at 85-90% of heart rate reserve [HRR] and 2 min active phase at 50 55% of HRR). Assessment of plasma apelin, nitrite/nitrate (NOx), and endothelin-1 (ET-1) was performed before and after the intervention. At the end of the study, apelin, and NOx plasma levels increased significantly in the high-intensity interval training (HIIT) group (P = 0.021, P = 0.003, respectively). Conversely, ET-1 plasma levels significantly decreased in the training group after the intervention (P = 0.015). Moreover, there was a positive correlation between the change of plasma apelin and change of plasma NOx (r = 0. 771, P = 0.0008). In addition, there was a negative correlation between the change of plasma ET-1, change of plasma apelin (r = - 0.595, P = 0.019), and variation of NOx (r = - 0.572, P = 0.025). This study indicates that, by increasing of apelin and NOx plasma levels, HIIT may be effective in reducing blood pressure. PMID- 29214527 TI - Assessment of the diagnostic value of specific anti-Toxocara IgA in Slovakian patients suspected to have toxocarosis. AB - Human toxocarosis is one of the most widespread and prevalent helminthic zoonosis in many countries, including Slovakia. The aim was to evaluate the usefulness of IgA anti-Toxocara antibody detection in the serodiagnosis of toxocarosis. The levels of specific IgA antibodies were determined by excretory-secretory (ES) enzyme-linked immunosorbent assay (ELISA). The IgA seropositivity in IgG anti Toxocara seropositive patients (n = 52) was 32.7% and found to be highest in the oldest age groups (P = 0.026). The presence of IgA in suspected patients for toxocarosis were evaluated in respect to some characteristics of examined persons. Substantially higher IgA seropositivity was detected in patients with increased total IgE (44.8%) than in subjects with a normal level of IgE (17.4%; P = 0.036). No associations (P > 0.05) were found between IgA seropositivity and sex, level of specific IgG antibodies, avidity of IgG, eosinophilia, domicile, geophagia, traveling abroad, dog/cat ownership, or clinical symptoms. The IgA ELISA showed sensitivity of 57.1% and specificity of 100%. Mild correlations (r = 0.302, r = 0.305, r = - 0.409) were observed between the levels of anti-Toxocara IgA antibodies and age, the amounts of eosinophils and IgA antibody levels, the amounts of eosinophils, and the values of IgG avidity, respectively. The presence of anti-Toxocara IgA may facilitate the diagnosis of toxocarosis and may well be useful for the determination of acute Toxocara infection. Moreover, this test should be accompanied by other immunological markers of examined patients (e.g., increased total IgE, eosinophilia, and low-avidity IgG antibodies). PMID- 29214528 TI - Molecular identification of Leishmania spp. isolates causes cutaneous leishmaniasis (CL) in Sanliurfa Province, Turkey, where CL is highly endemic. AB - Cutaneous leishmaniasis (CL) is an important public health problem in Turkey. CL has been most frequently seen in Sanliurfa. There is an expectation of increase in the population of leishmaniasis cases with the influence of Syrian refugees arriving in Turkey. In this study we aimed to diagnosis of CL and identifying of parasite from Leishmania isolates by using ITS 1 PCR RFLP. Samples were collected from 135 CL patients in Sanliurfa. After the specimens were inoculated in medium NNN, the ones which were cultures positive were cultivated in RPMI 1640 followed by PCR-RFLP. Genomic DNA was extracted phenol-chloroform procedure. Samples were examined by using ITS 1 PCR followed by RFLP analysis. Our results indicated that two species, L. tropica (132 samples) and L. major (3 samples), are responsible for cutaneous leishmaniasis in Sanliurfa. Our study is the first scientific study in which it is reported molecular analyses of cutaneous leishmaniasis cases caused by L. major in Sanliurfa in Southestern Anatolia Region. Because CL cases caused by L.major are detected in our study, it is considered that genotyping is important for diagnosis of Leishmania and following change of epidemiology. PMID- 29214529 TI - A rapid and reagent-free bioassay for the detection of dioxin-like compounds and other aryl hydrocarbon receptor (AhR) agonists using autobioluminescent yeast. AB - An autonomously bioluminescent Saccharomyces cerevisiae BLYAhS bioreporter was developed in this study for the simple and rapid detection of dioxin-like compounds (DLCs) and aryl hydrocarbon receptor (AhR) agonists. This recombinant yeast reporter was based on a synthetic bacterial luciferase reporter gene cassette (lux) that can produce the luciferase as well as the enzymes capable of self-synthesizing the requisite substrates for bioluminescent production from endogenous cellular metabolites. As a result, bioluminescent signal production is generated continuously and autonomously without cell lysis or exogenous reagent addition. By linking the expression of the autobioluminescent lux reporter cassette to AhR activation via the use of a dioxin-responsive promoter, the S. cerevisiae BLYAhS bioreporter emitted a bioluminescent signal in response to DLC exposure in a dose-responsive manner. The model dioxin, 2,3,7,8 tetrachlorodibenzo-p-dioxin (TCDD), could be detected within 4 h with a half maximal effective concentration (EC50) of ~ 8.1 nM and a lower detection limit of 500 pM. The autobioluminescent response of BLYAhS to other AhR agonists, including 2,3,7,8-tetrachlorodibenzofuran (TCDF), polychlorinated bisphenyl congener 126 (PCB-126) and 169 (PCB-169), 1,2,3,6,7,8-hexachlorodibenzo-p-dioxin (HxCDD), 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin (HpCDD), benzo[a]pyrene (BaP), and beta-naphthoflavone (bNF), were also characterized in this study. The non destructive and reagent-free nature of the BLYAhS reporter assay facilitated near continuous, automated signal acquisition without additional hands-on effort and cost, providing a simple and cost-effective method for rapid DLC detection. PMID- 29214531 TI - In situ, accurate, surface-enhanced Raman scattering detection of cancer cell nucleus with synchronous location by an alkyne-labeled biomolecular probe. AB - A surface-enhanced Raman scattering (SERS) method for in situ detection and analysis of the intranuclear biomolecular information of a cell has been developed based on a small, biocompatible, nuclear-targeting alkyne-tagged deoxyribonucleic acid (DNA) probe (5-ethynyl-2'-deoxyuridine, EDU) that can specially accumulate in the cell nucleus during DNA replications to precisely locate the nuclear region without disturbance in cell biological activities and functions. Since the specific alkyne group shows a Raman peak in the Raman-silent region of cells, it is an interior label to visualize the nuclear location synchronously in real time when measuring the SERS spectra of a cell. Because no fluorescent-labeled dyes were used for locating cell nuclei, this method is simple, nondestructive, non- photobleaching, and valuable for the in situ exploration of vital physiological processes with DNA participation in cell organelles. Graphical abstract A universal strategy was developed to accurately locate the nuclear region and obtain precise molecular information of cell nuclei by SERS. PMID- 29214530 TI - Microfluidic systems for studying dynamic function of adipocytes and adipose tissue. AB - Recent breakthroughs in organ-on-a-chip and related technologies have highlighted the extraordinary potential for microfluidics to not only make lasting impacts in the understanding of biological systems but also to create new and important in vitro culture platforms. Adipose tissue (fat), in particular, is one that should be amenable to microfluidic mimics of its microenvironment. While the tissue was traditionally considered important only for energy storage, it is now understood to be an integral part of the endocrine system that secretes hormones and responds to various stimuli. As such, adipocyte function is central to the understanding of pathological conditions such as obesity, diabetes, and metabolic syndrome. Despite the importance of the tissue, only recently have significant strides been made in studying dynamic function of adipocytes or adipose tissues on microfluidic devices. In this critical review, we highlight new developments in the special class of microfluidic systems aimed at culture and interrogation of adipose tissue, a sub-field of microfluidics that we contend is only in its infancy. We close by reflecting on these studies as we forecast a promising future, where microfluidic technologies should be capable of mimicking the adipose tissue microenvironment and provide novel insights into its physiological roles in the normal and diseased states. Graphical abstract This critical review focuses on recent developments and challenges in applying microfluidic systems to the culture and analysis of adipocytes and adipose tissue. PMID- 29214532 TI - Qualitative and quantitative temporal analysis of licit and illicit drugs in wastewater in Australia using liquid chromatography coupled to mass spectrometry. AB - The combination of qualitative and quantitative bimonthly analysis of pharmaceuticals and illicit drugs using liquid chromatography coupled to mass spectrometry is presented. A liquid chromatography-quadrupole time of flight instrument equipped with Sequential Window Acquisition of all THeoretical fragment-ion spectra (SWATH) was used to qualitatively screen 346 compounds in influent wastewater from two wastewater treatment plants in South Australia over a 14-month period. A total of 100 compounds were confirmed and/or detected using this strategy, with 61 confirmed in all samples including antidepressants (amitriptyline, dothiepin, doxepin), antipsychotics (amisulpride, clozapine), illicit drugs (cocaine, methamphetamine, amphetamine, 3,4 methylenedioxymethamphetamine (MDMA)), and known drug adulterants (lidocaine and tetramisole). A subset of these compounds was also included in a quantitative method, analyzed on a liquid chromatography-triple quadrupole mass spectrometer. The use of illicit stimulants (methamphetamine) showed a clear decrease, levels of opioid analgesics (morphine and methadone) remained relatively stable, while the use of new psychoactive substances (methylenedioxypyrovalerone (MDPV) and Alpha PVP) varied with no visible trend. This work demonstrates the value that high-frequency sampling combined with quantitative and qualitative analysis can deliver. Graphical abstract Temporal analysis of licit and illicit drugs in South Australia. PMID- 29214533 TI - Scanning electrochemical microscopy: an analytical perspective. AB - Scanning electrochemical microscopy (SECM) has evolved from an electrochemical specialist tool to a broadly used electroanalytical surface technique, which has experienced exciting developments for nanoscale electrochemical studies in recent years. Several companies now offer commercial instruments, and SECM has been used in a broad range of applications. SECM research is frequently interdisciplinary, bridging areas ranging from electrochemistry, nanotechnology, and materials science to biomedical research. Although SECM is considered a modern electroanalytical technique, it appears that less attention is paid to so-called analytical figures of merit, which are essential also in electroanalytical chemistry. Besides instrumental developments, this review focuses on aspects such as reliability, repeatability, and reproducibility of SECM data. The review is intended to spark discussion within the community on this topic, but also to raise awareness of the challenges faced during the evaluation of quantitative SECM data. PMID- 29214534 TI - Development of a sandwich ELISA with potential for selective quantification of human lactoferrin protein nitrated through disease or environmental exposure. AB - Lactoferrin (LF) is an important multifunctional protein that comprises a large fraction of the protein mass in certain human fluids and tissues, and its concentration is often used to assess health and disease. LF can be nitrated by multiple routes, leading to changes in protein structure, and nitrated proteins can negatively impact physiological health via nitrosative stress. Despite an awareness of the detrimental effects of nitrated proteins and the importance of LF within the body, cost-effective methods for detecting and quantifying nitrated lactoferrin (NLF) are lacking. We developed a procedure to selectively quantify NLF using sandwich enzyme-linked immunosorbent assay (ELISA), utilizing a polyclonal anti-LF capture antibody paired with a monoclonal anti-nitrotyrosine detector antibody. The assay was applied to quantify NLF in samples of pure LF nitrated via two separate reactions at molar ratios of excess nitrating agent to the total number of tyrosine residues between 10/1 and 100/1. Tetranitromethane (TNM) was used as a laboratory surrogate for an environmental pathway selective for production of 3-nitrotyrosine, and sodium peroxynitrite (ONOO-) was used as a surrogate for an endogenous nitration pathway. UV-vis spectroscopy (increased absorbance at 350 nm) and fluorescence spectroscopy (emission decreased by > 96%) for each reaction indicate the production of NLF. A lower limit of NLF detection using the ELISA method introduced here was calculated to be 0.065 MUg mL-1, which will enable the detection of human-physiologically relevant concentrations of NLF. Our approach provides a relatively inexpensive and practical way to assess NLF in a variety of systems. Graphical abstract We developed a procedure to selectively quantify nitrated lactoferrin (NLF) protein using a sandwich enzyme linked immunosorbent assay (ELISA) and verified results against several spectroscopic techniques. Our approach provides an inexpensive and practical way to assess NLF in a variety of systems. PMID- 29214535 TI - Simultaneous determination of 41 multiclass organic pollutants in environmental waters by means of polyethersulfone microextraction followed by liquid chromatography-tandem mass spectrometry. AB - A new procedure using polyethersulfone (PES) microextraction followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis was developed in this work for the simultaneous determination of 41 multiclass priority and emerging organic pollutants including herbicides, hormones, personal care products, and pharmaceuticals, among others, in seawater, wastewater treatment plant (WWTP) effluents, and estuary samples. The optimization of the analysis included two different chromatographic columns and different variables (polarity, fragmentor voltage, collision energy, and collision cell accelerator) of the mass spectrometer. In the case of PES extraction, ion strength of the water, pH, addition of EDTA, and the amount of the polymeric material were thoroughly investigated. The developed procedure was compared with a previously validated one based on a standard solid-phase extraction (SPE). In contrast to the SPE protocol, the PES method allowed a cost-efficient extraction of complex aqueous samples with lower matrix effect from 120 mL of water sample. Satisfactory and comparable apparent recovery values (80-119 and 70-131%) and method quantification limits (MQLs, 0.4-26 and 0.2-23 ng/L) were obtained for PES and SPE procedures, respectively, regardless of the matrix. Repeatability values lower than 27% were obtained. Finally, the developed methods were applied to the analysis of real samples from the Basque Country and irbesartan, valsartan, acesulfame, and sucralose were the analytes most often detected at the highest concentrations (51-1096 ng/L). Graphical abstract Forty-one multiclass pollutant determination in environmental waters by means of PES/SPE-LC-MS/MS. PMID- 29214536 TI - Photonic monitoring of treatment during infection and sepsis: development of new detection strategies and potential clinical applications. AB - Despite the strong decline in the infection-associated mortality since the development of the first antibiotics, infectious diseases are still a major cause of death in the world. With the rising number of antibiotic-resistant pathogens, the incidence of deaths caused by infections may increase strongly in the future. Survival rates in sepsis, which occurs when body response to infections becomes uncontrolled, are still very poor if an adequate therapy is not initiated immediately. Therefore, approaches to monitor the treatment efficacy are crucially needed to adapt therapeutic strategies according to the patient's response. An increasing number of photonic technologies are being considered for diagnostic purpose and monitoring of therapeutic response; however many of these strategies have not been introduced into clinical routine, yet. Here, we review photonic strategies to monitor response to treatment in patients with infectious disease, sepsis, and septic shock. We also include some selected approaches for the development of new drugs in animal models as well as new monitoring strategies which might be applicable to evaluate treatment response in humans in the future. Figure Label-free probing of blood properties using photonics. PMID- 29214537 TI - Branched-chain dicationic ionic liquids for fatty acid methyl ester assessment by gas chromatography. AB - Twelve bis- or dicationic ionic liquids (ILs) including eight based on imidazolium, a single one based on phosphonium, and three based on pyrrolidinium cationic units were prepared with the bis(trifluoromethyl sulfonyl) imide anion. The two identical cationic moieties were attached by different alkyl spacers having three or five carbons and differing alkyl substituents attached to the spacer. The SLB-IL111 column, as the most polar commercial stationary phase known, was included in the study for comparison. Isothermal separations of a rapeseed oil fatty acid methyl ester (FAME) sample were used to study and compare the 12 IL-based column performances and selectivities. The retention times of the most retained methyl esters of lignoceric (C24:0) and erucic (C22:1) acids were used to estimate the IL polarity. The phosphonium dicationic IL column was, by far, the least polar. Imidazolium-based dicationic IL columns were the most polar. Polarity and selectivity for the FAME separation were somewhat related. The separation of a 37-FAME standard mixture allowed the investigation of selectivity variations observed on the 12 IL-based columns under temperature gradients up to 230 degrees C. The remarkable selectivity of the IL-based columns is demonstrated by the detailed analysis of the cis/trans C18:1 isomers of a partially hydrogenated vegetable oil sample on 30-m columns, separations competing with that done following an "official method" performed on a 100-m column. Graphical abstract Separation of fatty acid methyl esters on a 30-m 3m2C5(mpy)2. 2NTf2 branched-chain dicationic IL-based column. Branched chain dicationic ILs show great selectivity for separation of cis/trans, omega-3/omega 6, and detailed analysis of cis/trans fats. PMID- 29214538 TI - Zero valent Fe-reduced graphene oxide quantum dots as a novel magnetic dispersive solid phase microextraction sorbent for extraction of organophosphorus pesticides in real water and fruit juice samples prior to analysis by gas chromatography mass spectrometry. AB - A selective and sensitive magnetic dispersive solid-phase microextraction (MDSPME) coupled with gas chromatography-mass spectrometry was developed for extraction and determination of organophosphorus pesticides (Sevin, Fenitrothion, Malathion, Parathion, and Diazinon) in fruit juice and real water samples. Zero valent Fe-reduced graphene oxide quantum dots (rGOQDs@ Fe) as a new and effective sorbent were prepared and applied for extraction of organophosphorus pesticides using MDSPME method. In order to study the performance of this new sorbent, the ability of rGOQDs@ Fe was compared with graphene oxide and magnetic graphene oxide nanocomposite by recovery experiments of the organophosphorus pesticides. Several affecting parameters in the microextraction procedure, including pH of donor phase, donor phase volume, stirring rate, extraction time, and desorption conditions such as the type and volume of solvents and desorption time were thoroughly investigated and optimized. Under the optimal conditions, the method showed a wide linear dynamic range with R-square between 0.9959 and 0.9991. The limit of detections, the intraday and interday relative standard deviations (n = 5) were less than 0.07 ngmL-1, 4.7, and 8.6%, respectively. The method was successfully applied for extraction and determination of organophosphorus pesticides in real water samples (well, river and tap water) and fruit juice samples (apple and grape juice). The obtained relative recoveries were in the range of 82.9%-113.2% with RSD percentages of less than 5.8% for all the real samples. PMID- 29214539 TI - Analytical method for the evaluation of the outdoor air contamination by emerging pollutants using tree leaves as bioindicators. AB - In this work, an analytical method, based on sonication-assisted extraction, clean-up by dispersive solid-phase extraction and determination by liquid chromatography-tandem mass spectrometry, has been developed and validated for the simultaneous determination of 15 emerging pollutants in leaves from four ornamental tree species. Target compounds include perfluorinated organic compounds, plasticizers, surfactants, brominated flame retardant, and preservatives. The method was optimized using Box-Behnken statistical experimental design with response surface methodology and validated in terms of recovery, accuracy, precision, and method detection and quantification limits. Quantification of target compounds was carried out using matrix-matched calibration curves. The highest recoveries were achieved for the perfluorinated organic compounds (mean values up to 87%) and preservatives (up to 88%). The lowest recoveries were achieved for plasticizers (51%) and brominated flame retardant (63%). Method detection and quantification limits were in the ranges 0.01-0.09 ng/g dry matter (dm) and 0.02-0.30 ng/g dm, respectively, for most of the target compounds. The method was successfully applied to the determination of the target compounds on leaves from four tree species used as urban ornamental trees (Citrus aurantium, Celtis australis, Platanus hispanica, and Jacaranda mimosifolia). Graphical abstract Analytical method for the biomonitorization of emerging pollutants in outdoor air. PMID- 29214540 TI - Preparation of polysaccharide-based chiral stationary phases on SiO2@Ag core shell particles by means of coating and intermolecular polycondensation and comparative liquid chromatography enantioseparations. AB - Material with a core-shell structure based on a porous silica core and Ag nanoparticles (AgNPs) as shell (SiO2@Ag) was prepared with the seed growth method. Cellulose derivatives as chiral selectors were coated on the surfaces of SiO2@Ag particles by means of coating and intermolecular polycondensation as chiral stationary phases (CSPs), respectively. Fifteen racemates were used to evaluate their chiral recognition ability by high-performance liquid chromatography (HPLC). The results implied that the CSPs based on SiO2@Ag particles obtained stronger interaction with the analytes leading to better enantioseparation due to the existence of AgNPs on the surfaces of silica gel, compared with a cellulose derivative-modified silica column. In addition, the new CSPs showed special selectivity for ketone enantiomers, and AgNPs played a synergistic effect with cellulose derivatives on enantioseparation. Graphical abstract Schematic of SiO2@Ag stationary phase. PMID- 29214541 TI - New ionization tags based on the structure of the 5-azoniaspiro[4.4]nonyl tag for a sensitive peptide sequencing by mass spectrometry. AB - Quaternary ammonium salts (QAS), both linear and bicyclic, are often utilized to improve the mass spectrometry (MS) analysis of peptides by fixing a permanent positive charge on the analyzed molecule. However, during collision-induced dissociation (CID) experiments, QAS undergo unwanted side reactions-Hofmann elimination as well as a tertiary amine loss- rendering the data interpretation complicated. In this work, we present 2-thia- and 2-oxa-5-azoniaspiro[4.4]nonyl groups as heterocyclic derivatives of the highly stable ionization group, 5 azoniaspiro[4.4]nonyl, for a sensitive peptide analysis by MS. Due to the permanent positive charge, labeled peptides are characterized by enhanced ionization efficiency during electrospray mass spectrometry (ESI-MS) conditions. Moreover, interpretation of the CID fragmentation of labeled peptides is facilitated since a series of generated fragmentation ions enable a complete sequence coverage. Introduction of a heteroatom into the 5-azoniaspiro[4.4]nonyl scaffold allows for liberation of a stable reporter ion which could be used in selected reaction monitoring (SRM)-targeted quantification experiments. Additionally, we synthesized a deuterated analog of the tag for LC-SRM-targeted quantitative analysis. The obtained results indicate the general usefulness of the proposed heterocyclic quaternary ammonium ionization tag for sequencing and quantification of peptides. Graphical abstract New reagents based on the structure of the 5-azoniaspiro[4.4]nonyl tag for peptide analysis by tandem mass spectrometry. PMID- 29214542 TI - Uncertainty evaluation in normalization of isotope delta measurement results against international reference materials. AB - Isotope delta measurements are normalized against international reference standards. Although multi-point normalization is becoming a standard practice, the existing uncertainty evaluation practices are either undocumented or are incomplete. For multi-point normalization, we present errors-in-variables regression models for explicit accounting of the measurement uncertainty of the international standards along with the uncertainty that is attributed to their assigned values. This manuscript presents framework to account for the uncertainty that arises due to a small number of replicate measurements and discusses multi-laboratory data reduction while accounting for inevitable correlations between the laboratories due to the use of identical reference materials for calibration. Both frequentist and Bayesian methods of uncertainty analysis are discussed. PMID- 29214544 TI - A New Species of Dichelacera (Dichelacera) Macquart (Diptera, Tabanidae) from the Brazilian Savannah. AB - A new species of Dichelacera (Tabanidae, Diptera) is described, based on females from Arraias, state of Tocantins, Brazil. Diagnosis, discussion, and illustrations of external and internal characters are provided. In addition, we provide unpublished photographs of Dichelacera callosa Lutz for comparison. PMID- 29214543 TI - Comparison of biological and alloplastic meshes in ventral incisional hernia repair. AB - PURPOSE: The aim of our retrospective analysis was to compare the results of incisional hernia repair by porcine small intestinal submucosa-derived (SIS) meshes with those obtained by alloplastic polypropylene-based (PP) meshes in comparable surgical indications by matched-pair design. We hypothesized that in incisional hernia, SIS mesh repair is associated with fewer recurrences and SSO than PP mesh repair in incisional hernias. METHODS: Twenty-four matched pairs (SIS vs. PP mesh repair between 1 January 2005 and 31 December 2013) were identified by matching criteria: gender, age, comorbidities, body mass index, EHS hernia classification, mesh implantation technique, CDC wound classification, and source of contamination/primary surgery leading to incisional hernia. Minimal follow-up time was 24 months. Means and standard deviations were compared by paired t test; categorial data were compared by McNemar's test. Poisson's distribution and negative binominal distribution were employed to detect significant correlation. RESULTS: There were no statistically significant differences between both groups in the pre- and perioperative factors and the follow-up times. There were significantly more wound complications (19 vs. 12, p = 0.041), longer hospital stay (22.0 +/- 6.3 vs. 12.0 +/- 3.1 days, p = 0.010), and significantly more recurrent hernias (25 vs. 12.5%, p = 0.004) after SIS mesh repair. Both the Poisson's distribution and the negative binominal distribution unveiled significantly more complication points (3-6 vs. 1-2) per month after SIS mesh repair. CONCLUSION: There is no advantage of SIS meshes compared to PP meshes in incisional hernia repair with different degrees of wound contamination in this matched-pair analysis. Further prospective and randomized trials or at least registry studies such as the EHS register with standardized and defined conditions are warranted. PMID- 29214545 TI - Daily Activity Patterns and Thermal Tolerance of Three Sympatric Dung Beetle Species (Scarabaeidae: Scarabaeinae: Eucraniini) from the Monte Desert, Argentina. AB - Tolerance to extreme temperatures, thermal limits, and the mechanisms of thermoregulation are related to internal functions of insects and partly define their ecological niche. We study the association between daily activity of dung beetles from the Monte Desert in Argentina and their tolerance to high temperatures. Results indicate that for all three sympatric species studied, Eucranium belenae Ocampo, Anomiopsoides cavifrons (Burmeister), and Anomiopsoides fedemariai Ocampo, daily activity is associated to ground temperature. Eucranium belenae is active when ground temperature is relatively low and it is less tolerant to long periods of activity at high temperatures in the lab, while A. cavifrons and A. fedemariai are active when ground temperatures are higher, and they tolerate high temperatures for longer periods of time than E. belenae in the lab. These species coexist and use similar food sources, and this eco physiological study may help to explain how they differentiate under the same environmental conditions. The Monte Desert is considered an extreme environment, and studies on thermal tolerance offer testable predictions to understand how species would respond to climate change. PMID- 29214546 TI - Biology of a Neotropical Harlequin Stink Bug, Runibia perspicua (F.). AB - Laboratory and field studies were conducted with nymphs and adults of the Neotropical stink bug Runibia perspicua (F.) to evaluate their biology on plants. Total nymph mortality was ca. 13% on immature fruits of Brunfelsia australis Benth. (IFBA) and 90% on raw shelled peanuts, Arachis hypogaea L. (RSP); no nymphs survived on immature pods of green bean, Phaseolus vulgaris L., or on immature fruits of privet, Ligustrum lucidum Ait. Nymph developmental time was ca. 36 on IFBA and 55 days on RSP. Body weight was significantly greater when nymphs were raised isolated compared to those raised in groups. Adult feeding activity was greater than third instars on IFBA. Adult longevity on IFBA + cherry tomato, Solanum lycopersicum L. fruit, reached ca. 150 days. On IFBA, fecundity was 2.5 egg masses/female and 48.3 eggs/female; 25.6% of the eggs hatched. Adults did not reproduce on tomato. Body weight gain did not increase significantly for both sexes during the first four weeks of adult life on IFBA. In the field, plants of B. australis were surveyed in Passo Fundo, RS (28 degrees 15'S; 52 degrees 24'W). The majority of egg masses were deposited on the lower (abaxial) surface of leaves. Nymphs aggregated on immature fruits, and adults were seldom found on the plants. These are the first data on the performance of R. perspicua on B. australis indicating that this plant species is suitable to the bug's biology. PMID- 29214547 TI - Association of NLRP3 polymorphisms with susceptibility to primary gouty arthritis in a Chinese Han population. AB - The NLRP3-interleukin1beta (IL1beta) signaling pathway is involved in monosodium urate (MSU)-mediated inflammation. The aim of this present study was to determine whether single nucleotide polymorphisms (SNPs) in the NLRP3 gene are associated with susceptibility to gouty arthritis (GA) and whether these SNPs alter the expression of components of the NLRP3-IL1beta signaling pathway. The rs10754558, rs4612666, and rs1539019 SNPs were detected in 583 patients with GA and 459 healthy subjects. NLRP3 and IL1beta mRNA levels in peripheral blood mononuclear cells (PBMCs) and serum IL1beta levels were measured in different genotype carriers, and correlations between the NLRP3 SNPs and NLRP3 mRNA, IL1beta mRNA, and serum IL1beta levels were investigated. The GG genotype of NLRP3 rs10754558 was found to be significantly associated with patients with GA compared to the healthy control subjects via multivariate logistic regression analysis (adjusted OR = 2.68, P = 0.006). The CGA haplotypes were independently associated with patients with GA compared to the healthy control subjects (adjusted OR = 1.968, P = 0.02). The levels of NLRP3 mRNA, IL1beta mRNA, and serum IL1beta in the patients with GA were significantly different among the three genotypes of rs10754558 (all P < 0.01). The GG genotype of rs10754558 and the CGA haplotype of rs4612666-C, rs10754558-G, and rs1539019-A are both independent risk factors for primary GA development. The rs10754558 polymorphism might participate in regulating immune and inflammation responses in patients with GA by influencing the expression of components of the NLRP3 inflammasome. Future multicenter studies aimed at replicating these findings in an independent population as well as functional tests will aid in further defining the role of these SNPs in the development of GA. PMID- 29214549 TI - Synthesis, structure and toxicity evaluation of ethanolamine nitro/chloronitrobenzoates: a combined experimental and theoretical study. AB - BACKGROUND: Nitroaromatic and chloronitroaromatic compounds have been a subject of great interest in industry and recently in medical-pharmaceutic field. 2 Chloro-4-nitro/2-chloro-5-nitrobenzoic acids and 4-nitrobenzoic acid are promising new agents for the treatment of main infectious killing diseases in the world: immunodeficiency diseases and tuberculosis. RESULTS: New ethanolamine nitro/chloronitrobenzoates were synthesized and characterized by X-ray crystallography, UV-vis, FT-IR and elementary analysis techniques. The toxicity of the compounds prepared and correspondent components was evaluated using Hydractinia echinata as test system. A significant lower toxicity was observed for nitro-derivative compared with chloronitro-derivatives and individual components. Crystallographic studies, together with the chemical reactivity and stability profiles resulted from density functional theory and ab initio molecular orbital calculations, explain the particular behavior of ethanolamine 4 nitrobenzoate in biological test. CONCLUSIONS: The experimental and theoretical data reveal the potential of these compounds to contribute to the design of new active pharmaceutical ingredients with lower toxicity. PMID- 29214550 TI - The Wally plot approach to assess the calibration of clinical prediction models. AB - A prediction model is calibrated if, roughly, for any percentage x we can expect that x subjects out of 100 experience the event among all subjects that have a predicted risk of x%. Typically, the calibration assumption is assessed graphically but in practice it is often challenging to judge whether a "disappointing" calibration plot is the consequence of a departure from the calibration assumption, or alternatively just "bad luck" due to sampling variability. We propose a graphical approach which enables the visualization of how much a calibration plot agrees with the calibration assumption to address this issue. The approach is mainly based on the idea of generating new plots which mimic the available data under the calibration assumption. The method handles the common non-trivial situations in which the data contain censored observations and occurrences of competing events. This is done by building on ideas from constrained non-parametric maximum likelihood estimation methods. Two examples from large cohort data illustrate our proposal. The 'wally' R package is provided to make the methodology easily usable. PMID- 29214548 TI - First clinical symptom as a prognostic factor in systemic sclerosis: results of a retrospective nationwide cohort study. AB - The objective of the study is to determine the importance of the mode of onset as prognostic factor in systemic sclerosis (SSc). Data were collected from the Spanish Scleroderma Registry (RESCLE), a nationwide retrospective multicenter database created in 2006. As first symptom, we included Raynaud's phenomenon (RP), cutaneous sclerosis, arthralgia/arthritis, puffy hands, interstitial lung disease (ILD), pulmonary arterial hypertension (PAH), and digestive hypomotility. A total of 1625 patients were recruited. One thousand three hundred forty-two patients (83%) presented with RP as first symptom and 283 patients (17%) did not. Survival from first symptom in those patients with RP mode of onset was higher at any time than those with onset as non-Raynaud's phenomenon: 97 vs. 90% at 5 years, 93 vs. 82% at 10 years, 83 vs. 62% at 20 years, and 71 vs. 50% at 30 years (p < 0.001). In multivariate analysis, factors related to mortality were older age at onset, male gender, dcSSc subset, ILD, PAH, scleroderma renal crisis (SRC), heart involvement, and the mode of onset with non-Raynaud's phenomenon, especially in the form of puffy hands or pulmonary involvement. The mode of onset should be considered an independent prognostic factor in systemic sclerosis and, in particular, patients who initially present with non-Raynaud's phenomenon may be considered of poor prognosis. PMID- 29214551 TI - Keeping it together: Semantic coherence stabilizes phonological sequences in short-term memory. AB - Our ability to hold a sequence of speech sounds in mind, in the correct configuration, supports many aspects of communication, but the contribution of conceptual information to this basic phonological capacity remains controversial. Previous research has shown modest and inconsistent benefits of meaning on phonological stability in short-term memory, but these studies were based on sets of unrelated words. Using a novel design, we examined the immediate recall of sentence-like sequences with coherent meaning, alongside both standard word lists and mixed lists containing words and nonwords. We found, and replicated, substantial effects of coherent meaning on phoneme-level accuracy: The phonemes of both words and nonwords within conceptually coherent sequences were more likely to be produced together and in the correct order. Since nonwords do not exist as items in long-term memory, the semantic enhancement of phoneme-level recall for both item types cannot be explained by a lexically based item reconstruction process employed at the point of retrieval ("redintegration"). Instead, our data show, for naturalistic input, that when meaning emerges from the combination of words, the phonological traces that support language are reinforced by a semantic-binding process that has been largely overlooked by past short-term memory research. PMID- 29214552 TI - Decomposing item-method directed forgetting of emotional pictures: Equivalent costs and no benefits. AB - Using an item-method directed forgetting task, we presented negative, neutral, and positive photographic pictures, one at a time, each followed by an instruction to remember or forget. We determined that the directed forgetting effect, defined as better subsequent recognition of to-be-remembered (TBR) items than to-be-forgotten (TBF) items, was equivalent across negative, neutral, and positive pictures. To disentangle the underlying costs (i.e., decrease in memory for TBF items) and benefits (i.e., increase in memory for TBR items), we compared recognition memory performance in the directed forgetting task to that of a novel within-subjects remember-all control condition (Experiment 1) and to a between subjects remember-all control group (Experiment 2). We observed costs without benefits across all three emotions-negative, neutral, and positive-in both experiments. These results demonstrate that equivalent directed forgetting effects for emotional stimuli are not attributable to different underlying component processes. Instead, our results suggest that selection for encoding is accomplished in similar ways, regardless of emotional content. PMID- 29214553 TI - Mora or more? The phonological unit of Japanese word production in the Stroop color naming task. AB - In English, Dutch, and other European languages, it is well established that the fundamental phonological unit in word production is the phoneme; in contrast, recent studies have shown that in Chinese it is the (atonal) syllable and in Japanese the mora. The present study investigated whether this cross-language variation in the size of the unit of word production is due to the type of script used in the language (i.e., alphabetic, morphosyllabic, or moraic). Capitalizing on the multiscriptal nature of Japanese, and using the Stroop color naming task, we show that the overlap in the initial mora between the color name and the written distractor facilitates color naming independent of script type. These results confirm the mora as the phonological unit of word production in Japanese, and establish the Stroop color naming task as a useful task for investigating the fundamental (or "proximate") phonological unit used in speech production. PMID- 29214555 TI - How to respond to resistiveness towards assistive technologies among persons with dementia. AB - It is a common experience among care professionals that persons with dementia often say 'no' to conventional caring measures such as taking medication, eating or having a shower. This tendency to say 'no' may also concern the use of assistive technologies such as fall detectors, mobile safety alarms, Internet for social contact and robots. This paper provides practical recommendations for care professionals in home health care and social care about how to respond to such resistiveness towards assistive technologies. Apart from the option of accepting the 'no', it discusses a number of methods for influencing persons with dementia in order to overcome the 'no'. These methods range from various non-coercive measures-including nudging-to coercion. It is argued that while conventional caring measures like those mentioned are essential for survival, health or hygiene, assistive technologies are commonly merely potentially beneficial supplements. With this in mind, it is concluded that care professionals should be more restrictive in using methods of influence involving some degree of pressure regarding assistive technologies than regarding conventional caring measures. PMID- 29214554 TI - Geniposide Suppresses Interleukin-1beta-Induced Inflammation and Apoptosis in Rat Chondrocytes via the PI3K/Akt/NF-kappaB Signaling Pathway. AB - Osteoarthritis (OA) is a chronic degenerative joint disease that is principally characterized by progressive joint dysfunction and cartilage degradation. Inflammation and apoptosis play critical roles in the progression of OA. Geniposide (GPO), one of the principal components of the fruit of Gardenia jasminoides Ellis, has been reported to have anti-inflammatory and other pharmacological effects. In this study, we performed in vitro experiments on rat chondrocytes to examine the therapeutic effects of GPO on OA and investigated its effects in vivo in a rat model of OA induced by medial meniscal tear (MMT). The results suggest that GPO can inhibit the expression of INOS, COX-2, and MMP-13 in vitro, and promote the expression of collagen II in rat chondrocytes stimulated with interleukin-1beta (IL-1beta). In addition, we also found that GPO can inhibit the expression of pro-apoptotic proteins such as Bax, Cyto-c, and C caspase3 and increase the expression of the anti-apoptotic protein Bcl-2. These changes may be related to GPO-induced inhibition of the IL-1beta-induced activation of the PI3K/Akt/NF-kappaB signaling pathway. In vivo, we also found that GPO can limit the development of OA in a rat model. Taken together, the above results indicate that GPO has potential therapeutic value for treating OA. PMID- 29214556 TI - Influence of genetic modifiers on sudden cardiac death cases. AB - Sequence variants in the ion channel genes KCNH2 and SCN5A may cause the cardiac disorder long QT syndrome (LQTS). This disorder is associated with incomplete penetrance and variable expression in KCNH2- or SCN5A-mutation carriers. Common genetic variants, if associated with a mutation, may affect the severity of this cardiac disorder. This study identified rare mutations in the cardiac ion channel genes KCNH2 and SCN5A in a SCD case, as well as in a LQTS-affected family with a history of SCD. Moreover, common variants were found to occur together within the same genes. These findings support the concept that common single-nucleotide polymorphisms (SNPs) in genes encoding cardiac ion channels can directly modulate the functional effect of mutations and therefore enhance or weaken the risk of cardiac events. PMID- 29214557 TI - Laparoscopic intraperitoneal onlay mesh for pediatric incisional hernia-a case report. AB - BACKGROUND: The incidence of incisional hernia in pediatric patients is low in comparison with that reported in adults. In the pediatric population, primary closure has generally been favored. However, synthetic or biomedical mesh offers advantages in the repair of larger defects when primary closure is difficult. The use of laparoscopic intraperitoneal onlay mesh (IPOM) in the adult population has been well documented. In the pediatric population, a few laparoscopic approaches with direct suturing have been proposed; however, there are no reports of laparoscopic repair with the use of IPOM. CASE PRESENTATION: The patient was a 1 year-old girl with epigastric incisional hernia after an operation to correct a complete arteriovenous septal defect. The fascial defect (size 30 * 35 mm) was large; thus, direct suturing was considered to be associated with a high risk of thoracic deformation and recurrence. Laparoscopic IPOM was performed. The fascial defect was detected precisely through the laparoscopy, and non-absorbable mesh was placed through a 12-mm trocar. Minimal incisions were required for the trocars, and extensive dissection of the abdominal wall structure was not needed. This procedure allowed for the integrity and functional status of the abdominal wall to be maintained. CONCLUSION: Laparoscopic IPOM is a minimally invasive and cosmetically acceptable method that can be applied to the treatment of large incisional hernias in children. PMID- 29214558 TI - Hepatitis E Seroprevalence and Genotyping in a Cohort of Wild Boars in Southern Germany and Eastern Alsace. AB - In the last few years it has been realized that the hepatitis E virus (HEV) is endemic in most industrialized countries and that it is a zoonotic disease. Potential reservoirs for HEV have been identified to be wild boars and deers, but HEV has also been found in domestic pigs and other animals. Due to the probable spread of the virus via contaminated food or contact to infected animals, HEV antibodies are present in more than 16% of the German adult population and rates are increasing with age. We collected blood from 104 wild boars in southern Germany and the border region of Alsace. We found an anti-HEV seroprevalence of 11.5% in our cohort, using ELISA. Furthermore, we observed active infection in 3.85% of the animals by positive HEV PCR in the sera of the boars. In our cohort, no regional differences of seroprevalence or active infection were seen. Sequencing revealed rather close homology of some detected HEV sequences to genotypes isolated from patients in Germany. Hence wild boars are a potential source of HEV infection in Middle Europe and the rate of infectious animals is quite high. PMID- 29214559 TI - Virus Type-Specific Removal in a Full-Scale Membrane Bioreactor Treatment Process. AB - We investigated removal of noroviruses, sapoviruses, and rotaviruses in a full scale membrane bioreactor (MBR) plant by monitoring virus concentrations in wastewater samples during two gastroenteritis seasons and evaluating the adsorption of viruses to mixed liquor suspended solids (MLSS). Sapoviruses and rotaviruses were detected in 25% of MBR effluent samples with log reduction values of 3- and 2-logs in geometric mean concentrations, respectively, while noroviruses were detected in only 6% of the samples. We found that norovirus and sapovirus concentrations in the solid phase of mixed liquor samples were significantly higher than in the liquid phase (P < 0.01, t test), while the concentration of rotaviruses was similar in both phases. The efficiency of adsorption of the rotavirus G1P[8] strain to MLSS was significantly less than norovirus GI.1 and GII.4 and sapovirus GI.2 strains (P < 0.01, t test). Differences in the adsorption of viruses to MLSS may cause virus type-specific removal during the MBR treatment process as shown by this study. PMID- 29214560 TI - Invented Spelling, Word Stress, and Syllable Awareness in Relation to Reading Difficulties in Children. AB - The study assessed the clinical utility of an invented spelling tool and determined whether invented spelling with linguistic manipulation at segmental and supra-segmental levels can be used to better identify reading difficulties. We conducted linguistic manipulation by using real and nonreal words, incorporating word stress, alternating the order of consonants and vowels, and alternating the number of syllables. We recruited 60 third-grade students, of which half were typical readers and half were poor readers. The invented spelling task consistently differentiated those with reading difficulties from typical readers. It explained unique variance in conventional spelling, but not in word reading. Word stress explained unique variance in both word reading and conventional spelling, highlighting the importance of addressing phonological awareness at the supra-segmental level. Poor readers had poorer performance when spelling both real and nonreal words and demonstrated substantial difficulty in detecting word stress. Poor readers struggled with spelling words with double consonants at the beginning and ending of words, and performed worse on spelling two- and three-syllable words than typical readers. Practical implications for early identification and instruction are discussed. PMID- 29214561 TI - Environmental-Friendly and Facile Synthesis of Co3O4 Nanowires and Their Promising Application with Graphene in Lithium-Ion Batteries. AB - In this work, we developed an eco-friendly strategy for preparing Co3O4 nanowires. The process consisted of two steps: controllable synthesis of metal cobalt nanowires followed by a facile air-oxidization step. The 1D nanowire structure with a high aspect ratio was easily achieved via a magnetic-field assisted self-assembly of cobalt ion complexes during reduction. After air calcinations, the Co3O4 nanowires were prepared in large scale and ready to be used as the anode material for lithium-ion batteries. The Co3O4 nanowires, which possessed a length ranging from 3 to 8 MUm with the aspect ratio more than 15, exhibited a reversible lithium storage capacity up to ~ 790 mAh/g when using a small amount of defect-free graphene flakes as conductive additives. The superior electrochemical performances were ascribable to the synergistic "flat-on" effect between the 1D nanowires and the 2D graphene. Therefore, the Co3O4 nanowire/graphene composite holds promising application for lithium-ion batteries. PMID- 29214562 TI - Use of quantitative SPECT/CT reconstruction in 99mTc-sestamibi imaging of patients with renal masses. AB - OBJECTIVE: Technetium-99m (99mTc)-sestamibi single-photon emission computed tomography/computed tomography (SPECT/CT) has previously been shown to allow for the accurate differentiation of benign renal oncocytomas and hybrid oncocytic/chromophobe tumors (HOCTs) apart from other malignant renal tumor histologies, with oncocytomas/HOCTs showing high uptake and renal cell carcinoma (RCC) showing low uptake based on uptake ratios from non-quantitative single photon emission computed tomography (SPECT) reconstructions. However, in this study, several tumors fell close to the uptake ratio cutoff, likely due to limitations in conventional SPECT/CT reconstruction methods. We hypothesized that application of quantitative SPECT/CT (QSPECT) reconstruction methods developed by our group would provide more robust separation of hot and cold lesions, serving as an imaging framework on which quantitative biomarkers can be validated for evaluation of renal masses with 99mTc-sestamibi. METHODS: Single-photon emission computed tomography data were reconstructed using the clinical Flash 3D reconstruction and QSPECT methods. Two blinded readers then characterized each tumor as hot or cold. Semi-quantitative uptake ratios were calculated by dividing lesion activity by background renal activity for both Flash 3D and QSPECT reconstructions. RESULTS: The difference between median (mean) hot and cold tumor uptake ratios measured 0.655 (0.73) with the QSPECT method and 0.624 (0.67) with the conventional method, resulting in increased separation between hot and cold tumors. Sub-analysis of 7 lesions near the separation point showed a higher absolute difference (0.16) between QPSECT and Flash 3D mean uptake ratios compared to the remaining lesions. CONCLUSIONS: Our finding of improved separation between uptake ratios of hot and cold lesions using QSPECT reconstruction lays the foundation for additional quantitative SPECT techniques such as SPECT-UV in the setting of renal 99mTc-sestamibi and other SPECT/CT exams. With robust quantitative image reconstruction and biomarker analysis, there may be an expanded role for SPECT/CT imaging in renal masses and other pathologic conditions. PMID- 29214563 TI - Rare Diseases: Joining Mainstream Research and Treatment Based on Reliable Epidemiological Data. AB - Despite growing acceptance of patient registries and natural history studies to provide useful information, the rare disease community suffers from the absence of reliable epidemiological data on the prevalence and incidence of most rare diseases in national and global populations. Likewise, the patients and health care providers lack adequate information on the pathophysiology of rare diseases and expected outcomes of these disorders. The rare diseases community includes all of the stakeholders involved in the research and development and dissemination of products and information for the diagnosis, prevention or treatment of rare diseases or conditions. To replace many of the perceptions with realities, several global efforts have been implemented to sustain and increase the reported progress with the thousands of rare diseases. The first efforts is to develop a global research infrastructure of qualified investigators to stimulate and coordinate research efforts by seeking ways to provide access to clinical trials at multi-national research sites with common protocols and multi disciplinary research teams. Next, is the continued identification and expansion of worldwide partnerships and collaborations of Patient Advocacy Groups (PAGs), research investigators, the biopharmaceutical and medical devices industries, and the government research and regulatory agencies for a specific rare disease or group of related diseases. Gaining access to information about rare diseases, patient advocacy groups, ongoing and planned research studies and products in research protocols continue to improve the lives of patients and their families. Many basic, clinical and translational research investigators, public and private sector funding organizations, patient advocacy groups, foundations, and the pharmaceutical, biotechnology, and medical devices industries are committed to translating research discoveries that will be useful in the treatment and care of patients with rare diseases over their lifespan. Evidence from well-constructed epidemiological studies will provide the evidence that point to the value of additional clinical studies to increase the understanding of rare diseases. PMID- 29214564 TI - Undiagnosed Diseases: Italy-US Collaboration and International Efforts to Tackle Rare and Common Diseases Lacking a Diagnosis. AB - Rare diseases (RD), according to European Union criteria, affect 5 per 10,000 persons, or 30 million people, in the EU; in the USA, RD are defined as conditions that affect fewer than 200,000 individuals in the population (320 million). Most known rare disorders are severe and chronic, with many being degenerative and life threatening. There are roughly 5000-8000 rare diseases (European Commission, DG Health and Food Safety, Public Health, Rare Diseases, Policy.http://ec.europa.eu/health/rare_diseases/policy/index_en.htm. Accessed 19 December 2016; NORD-The National Organization for Rare Diseases: https://rarediseases.org/). Patient populations for individual RD are small and scattered; international collaborations are crucial to pool resources fragmented across individual countries for better diagnosis and treatment. Undiagnosed RD (URD) are conditions that elude diagnosis; some patients wait years for a definitive diagnosis. URD may include groups of unnamed disorders with common characteristics, phenotypically well described diseases, diseases with an unknown molecular basis, or those due to unknown, non-genetic factors.The US NIH Undiagnosed Diseases Program arose in 2008 to provide a diagnosis for individuals who had long sought one without success; in 2013 a nationwide Undiagnosed Diseases Network was established in the United States. In 2015, the Undiagnosed Disease Network International (UDNI) was established and includes US, Australia, Canada, Japan, Italy and other European countries. Other national initiatives have also been undertaken and are in progress all over the world. PMID- 29214565 TI - Intellectual Disability & Rare Disorders: A Diagnostic Challenge. AB - Rare disorders constitute a large and heterogeneous group of diagnoses of which many cause chronic disabilities with significant impact on the lives of affected individuals and their families as well as on the health-care system. Each individual disorder is rare, but when considered as a group, rare disorders are common with a total prevalence of approximately 6-8%. The clinical presentation of these disorders includes a broad diversity of symptoms and signs, often involving the nervous system and resulting in symptoms such as intellectual disability, neuropsychiatric disorders, epilepsy and motor dysfunction. The methods for establishing an etiological diagnosis in patients with rare disorders have improved dramatically during recent years. With the introduction of genomic screening methods, it has been shown that the cause is genetic in the majority of the patients and many will receive an etiological diagnosis in a clinical setting. However, there are a lot of challenges in diagnosing these disorders and despite recent years' advances, a large number of patients with rare disorders still go without an etiological diagnosis. In this chapter we will review the etiology of rare disorders with focus on intellectual disability and what has been learned from massive parallel sequencing studies in deciphering the genetic basis. Furthermore, we will discuss challenges in the etiological diagnostics of these disorders including issues that regard interpretation of the numerous genetic variants detected by genomic screening methods and challenges in the translation of massive parallel sequencing technologies into clinical practice. PMID- 29214567 TI - Natural History, Trial Readiness and Gene Discovery: Advances in Patient Registries for Neuromuscular Disease. AB - Inherited neuromuscular diseases (NMDs) are genetic disorders that affect the skeletal muscles or the nerves controlling muscle function. With a new generation of diagnostic options and recent advances in translational research improving the opportunities for therapy development for these rare conditions, capturing patient information in databases collecting a range of clinical and genetic data together with contact details has assumed an increasingly important role in trial planning and recruitment as well as natural history data collection. Here we provide an overview of a decade of patient registration activities in the NMD field, with a particular focus on patient registries set up with trial readiness in mind. A summary is provided of databases collecting precise genetic information focused on confirming the causative mutation and their evolution into registries that combine genetic data with additional clinical information useful for trial feasibility and recruitment. Use of these systems for a range of purposes beyond trial recruitment, including natural history assessment, care standards monitoring, genotype-phenotype correlation and disease burden evaluation is also described within the context of research networks (TREAT-NMD) and European Reference Networks (ERN-EURO-NMD). New initiatives including registries using controlled vocabularies for computational accessibility that focus on phenotypic data capture for gene discovery are analysed, and examples of the lessons learned at every stage are provided in order to allow new patient registration initiatives to benefit from the extensive experience gained. PMID- 29214568 TI - Facilitating Clinical Studies in Rare Diseases. AB - In recent years, there have been many scientific advances and new collaborations for rare diseases research and, ultimately, the health of patients living with rare diseases. However, for too many rare diseases, there still is no effective treatment, and our understanding of the incidence, prevalence, and underlying etiology is incomplete. To facilitate the studies needed to answer the many open questions there is a great need for the active involvement of all stakeholders, most importantly of patient groups. Also, the creation of streamlined infrastructure for performing multi-site clinical studies is critical, as is the engagement of multi-disciplinary teams with shared focus on a group of diseases. Another essential component of such efforts is to collect standardized data so that downstream meta-analyses and data sharing can be facilitated. To ensure high quality protocols and datasets, a central data management and coordinating center is important. Since there are more than 6000 rare diseases, instead of focusing on single rare disease, it is more impactful to create platforms and methods that can support a group of rare diseases. PMID- 29214566 TI - Improved Diagnosis and Care for Rare Diseases through Implementation of Precision Public Health Framework. AB - Public health relies on technologies to produce and analyse data, as well as effectively develop and implement policies and practices. An example is the public health practice of epidemiology, which relies on computational technology to monitor the health status of populations, identify disadvantaged or at risk population groups and thereby inform health policy and priority setting. Critical to achieving health improvements for the underserved population of people living with rare diseases is early diagnosis and best care. In the rare diseases field, the vast majority of diseases are caused by destructive but previously difficult to identify protein-coding gene mutations. The reduction in cost of genetic testing and advances in the clinical use of genome sequencing, data science and imaging are converging to provide more precise understandings of the 'person-time place' triad. That is: who is affected (people); when the disease is occurring (time); and where the disease is occurring (place). Consequently we are witnessing a paradigm shift in public health policy and practice towards 'precision public health'.Patient and stakeholder engagement has informed the need for a national public health policy framework for rare diseases. The engagement approach in different countries has produced highly comparable outcomes and objectives. Knowledge and experience sharing across the international rare diseases networks and partnerships has informed the development of the Western Australian Rare Diseases Strategic Framework 2015-2018 (RD Framework) and Australian government health briefings on the need for a National plan.The RD Framework is guiding the translation of genomic and other technologies into the Western Australian health system, leading to greater precision in diagnostic pathways and care, and is an example of how a precision public health framework can improve health outcomes for the rare diseases population.Five vignettes are used to illustrate how policy decisions provide the scaffolding for translation of new genomics knowledge, and catalyze transformative change in delivery of clinical services. The vignettes presented here are from an Australian perspective and are not intended to be comprehensive, but rather to provide insights into how a new and emerging 'precision public health' paradigm can improve the experiences of patients living with rare diseases, their caregivers and families.The conclusion is that genomic public health is informed by the individual and family needs, and the population health imperatives of an early and accurate diagnosis; which is the portal to best practice care. Knowledge sharing is critical for public health policy development and improving the lives of people living with rare diseases. PMID- 29214569 TI - Rare Disease Biospecimens and Patient Registries: Interoperability for Research Promotion, a European Example: EuroBioBank and SpainRDR-BioNER. AB - Well-annotated and properly preserved specimens are crucial both for diagnostic purposes and for use in basic and pre-clinical research, and are especially important for rare disease (RD) studies. Several consortia have been established in the recent years in order to facilitate research and to maximise access to rare biological samples and data stored in rare disease biobanks and registries, among them the EuroBioBank network and the Spain National Rare Disease Registry (RDR) and Biobank (BioNER).EuroBioBank, established in 2001, was the first network of RD biobanks to operate in Europe as a service distributing human DNA, cells, and tissue to the scientific community conducting research on rare diseases.The Spanish RDR and BioNER were created for facilitating rare disease research and health-related matters. The coordination of these two bodies represents an example of great scientific value as biological samples donated by patients at BioNER are linked to clinical information collected in the RDR.Rare disease biobanks and registries will need for the future to increase their effort to improve interconnection so to enable investigators to better locate samples and associated data, while protecting security of the data and privacy of the participants and adhering to international ethical and legal requirements. PMID- 29214570 TI - Data Quality in Rare Diseases Registries. AB - In the field of rare diseases, registries are considered power tool to develop clinical research, to facilitate the planning of appropriate clinical trials, to improve patient care and healthcare planning. Therefore high quality data of rare diseases registries is considered to be one of the most important element in the establishment and maintenance of a registry. Data quality can be defined as the totality of features and characteristics of data set that bear on its ability to satisfy the needs that result from the intended use of the data. In the context of registries, the 'product' is data, and quality refers to data quality, meaning that the data coming into the registry have been validated, and ready for use for analysis and research. Determining the quality of data is possible through data assessment against a number of dimensions: completeness, validity; coherence and comparability; accessibility; usefulness; timeliness; prevention of duplicate records. Many others factors may influence the quality of a registry: development of standardized Case Report Form and security/safety controls of informatics infrastructure. With the growing number of rare diseases registries being established, there is a need to develop a quality validation process to evaluate the quality of each registry. A clear description of the registry is the first step when assessing data quality or the registry evaluation system. Here we report a template as a guide for helping registry owners to describe their registry. PMID- 29214571 TI - Preparing Data at the Source to Foster Interoperability across Rare Disease Resources. AB - The ability to combine heterogeneous data distributed across the globe is critically important to boost research on rare diseases, but it presents a number of methodological, representational and automation challenges. In this scenario, biomedical ontologies are of critical importance for enabling computers to aid in information retrieval and analysis across data collections.This chapter presents an approach to preparing rare disease data for integration through the application of a global standard for computer-readable data and knowledge. This includes the use of common data elements, ontological codes and computer-readable data. This approach was developed under a number of domain-relevant requirements, such as controlled access to data, independence of the original sources, and the desire to combining the data sources with other computational workflows and data platforms. PMID- 29214572 TI - Incentivizing Orphan Product Development: United States Food and Drug Administration Orphan Incentive Programs. AB - Over 30 years ago, the United States (US) Congress passed the Orphan Drug Act (ODA) to encourage the development of products for rare diseases or conditions ("orphan products"). The Act provided incentives to sponsors for developing products with orphan designation and established a grant program to fund studies of orphan products. Since its enactment in 1983, the ODA has been credited for bringing more than 590 orphan drugs to the market, inspiring the implementation of orphan legislation globally, and enabling the creation of other programs that extend existing knowledge of the natural history of rare diseases and stimulate the development of medical devices for children and patients with rare diseases. This chapter provides a brief overview of the main features and successes of 5 of the orphan incentive programs administered by the US Food and Drug Administration (FDA): the Orphan Drug Designation Program, the Humanitarian Use Device (HUD) Designation Program, the Orphan Products Clinical Trials Grants Program, the Pediatric Device Consortia (PDC) Grant Program, and the Orphan Products Natural History Grants Program. PMID- 29214573 TI - Post-approval Studies for Rare Disease Treatments and Orphan Drugs. AB - Drug development involves a multi-stage process of drug discovery, animal studies and human clinical trials to assess the safety and efficacy of new medications. Rare disease drug development involves a much smaller number of affected patients, a predominance of pediatric patients and more complicated disease presentation. Post-approval studies are designed to address several limitations associated with the rare disease clinical trials.National and international regulatory agencies in the US and Europe have adopted similar approaches to requirements post-approval data for rare diseases and orphan drug indications. The US FDA published guidance in 2011 and the European Medicines Agency in 2015.Post-approval studies for rare diseases include observational studies, pragmatic trials and randomized controlled studies. Observational studies include both original data collection studies and the use of secondary data (retrospective studies). Original data collection can address limitations of retrospective studies resulting from incomplete information in secondary data sources. Disease registries focus on detail about a broad range of patients with a rare disease while product-related registries focus on specific health care outcomes associated with a single product and may incorporate a comparator of an alternative therapy or therapies.Rare disease patients can be difficult to find and enroll in a registry using conventional physician based driven recruitment. The study process also needs to recognize changes in the patient's disease and lifestyle and adapt both the study design and methods over time. Many rare diseases have strong patient advocacy groups that can in aid the design and execution of rare disease registries. PMID- 29214574 TI - Evidence-Based Medicine and Rare Diseases. AB - This chapter discusses the meaning of evidence-based medicine and where it relates to randomised controlled trials, but also where it does not. The need for good quality evidence is stressed through a discussion of high failure rates in drug development and arguments against access to unlicensed (and largely untested) treatments are set out (despite the good intentions of those who advocate such access to treatments).Good quality, reliable evidence does not always have to come from clinical trials. Other forms of evidence are discussed. Meta-analyses of individual trials may help to resolve the problem that, in rare diseases, it may be very difficult or impossible to do adequately powered clinical trials - but that does not imply those trials have no value at all.The importance of patients' choices is stressed but the difficulties of making choices and the general poor understanding of risk can make patients and caregivers, as well as healthcare professionals, very vulnerable to making poor decisions. All stakeholders need to be adequately guided through the evidence to make proper informed decisions. PMID- 29214575 TI - Health Technology Assessment and Appraisal of Therapies for Rare Diseases. AB - Innovative rare disease therapies and health technology assessment (HTA) share a lot of similarities. Both represent cases of interaction of epidemiology and health economics. Both are relatively new topics in public health practice. And both pose a lot of challenges to rare disease stakeholders who are currently looking for tools to support the timely access to innovative treatments while putting budget spending in order. This is why optimisation of assessment and appraisal of new rare disease therapies is a fundamental issue in rare disease health policy. Rare disease patients and caregivers expect prolonged life expectancy and improved quality of life and they perceive innovative health technologies as a rightful way to achieve these objectives.Multi-criteria decision analysis (MCDA) provides a structured, transparent approach to identify preferred alternatives by means of combined calculation of relative importance of different criteria and performance of the alternatives on these criteria. The labyrinth of competing interests and numerous stakeholders involved is why innovative rare disease health technologies make an excellent case study of the integration between HTA and MCDA. This kind of formalisation of decision-making is perceived as fair and legitimate, leading to a balance and agreement. MCDA provides a stage for a debate of policy priorities, health system specifics and societal attitudes, while also addressing the impact of rarity on all criteria and considerations. PMID- 29214576 TI - New Therapeutic Uses for Existing Drugs. AB - Eighty percent of drugs that enter human clinical testing are never approved for use. This means that for every five drugs that make it into the clinic, there are four that failed to show effectiveness for treating the disease or condition the drug was designed to treat.This high failure rate means there are many existing, partially developed therapeutic candidates with known pharmacology, formulation, and potential toxicity. Finding new uses for existing experimental drugs or biologics "repositioning" builds upon previous research and development efforts, so new candidate therapies can be advanced to clinical trials for a new use more quickly than starting from scratch.Federal funding initiatives in the U.S. and UK started to support pre-clinical /or early stage trials for repositioning existing experimental drugs or biologics (therapies). This chapter covers some of the process issues that have been solved and the remaining challenges that are still in need of solutions. The chapter is primarily written from a U.S. federal funding perspective. The general concepts could be applied more globally to benefit rare and neglected disease populations. The drug development and process bottlenecks are the same for both rare and common disease. PMID- 29214577 TI - Patient Empowerment and Involvement in Research. AB - Patients with rare diseases often face difficulties in clinical care due to the low prevalence of their diseases and the resulting healthcare professionals' lack of expertise. Valid and standardized guidelines for clinical management are also lacking due to the scarcity of research and the variability of the clinical expressivity within each disease. In addition, in cases of rare diseases, the patient and health professional relationship may not fit with the traditional assumptions of medical care. Although the communication process between patients and healthcare professionals shares most of the general features of the standard patient-health professional interaction, rare diseases may be burdened with additional issues.In this sense, clinical decision-making in an uncertainty context should take advantage of involving patients in deeper informational process to promote valid shared decision-making between patients/caregivers and healthcare professionals. This process of patient/caregiver empowerment is a priority in the context of rare diseases, as it encourages acquisition of information that will help improving patient-healthcare professional's interaction, and building a collaborative relationship. It is also a chance for healthcare professionals to learn about rare diseases from the perspective of patients.Engagement of patients and other stakeholders in clinical research may help to ensure that research efforts in rare diseases address relevant clinical questions and patient-centered health outcomes. However, the effectiveness of patient-engagement approaches, particularly for the study of rare diseases, has not been well studied. PMID- 29214578 TI - Cost-Effectiveness Methods and Newborn Screening Assessment. AB - Nowadays, health funding decisions must be supported by sound arguments in terms of both effectiveness and economic criteria. After more than half a century of newborn screening for rare diseases, the appropriate economic evaluation framework for these interventions is still challenging. The validity of standard methods for economic evaluation heavily relies on the availability of robust evidence, but collection of such evidence is precluded by the rareness of the conditions that may benefit from screening. Furthermore, there are a series of conceptual and methodological limitations that warrant further careful consideration when assessing the cost-effectiveness of newborn screening programs. In this chapter we provide a general overview of current economic evaluation methods and the challenges for their application to newborn screening programs. PMID- 29214579 TI - Cost-of-Illness in Rare Diseases. AB - Cost-of-illness (COI) studies quantify the economic burden of a disease, including direct healthcare and non-healthcare costs and productivity losses. Different approaches can be adopted to evaluate the resources associated to a disease and to calculate the total costs. Prevalence-based studies estimate the total costs of a disease during a given period, while incidence-based studies measure lifetime costs from onset until death. Data can be collected from individuals, using a bottom-up approach, or from population statistics, using a top-down approach. Different perspectives are possible, but the broadest and also mostly used is the societal one. Appropriate discounting should be applied for future costs and a sensitivity analyses of main parameters should be performed. The main limitation of COI studies is that they don't account the outcomes or benefits of possible treatments.There is a lack of COI studies in the field of rare diseases. A multinational COI study (BURQOL-RD) evaluated recently the burden of 10 rare diseases in Europe, using a prevalence-based method with a bottom-up approach to quantify resources from a societal perspective, which is the mostly used methodology for COI studies in rare diseases; however, several other studies illustrate different approaches to conduct COI analysis in this field, such as incidence-based methods or narrower perspectives.COI studies are useful to inform policy-makers about the magnitude of a disease. To support correctly the decision-making process, it is necessary to identify the cost drivers through COI studies with robust design and standardized methodology. PMID- 29214581 TI - Newborn Screening: Beyond the Spot. AB - The newborn screening paradigm of testing all newborns in the United States for treatable conditions within the first few hours of birth has proven to be a remarkable success story in the realm of public health by reducing neonatal and childhood morbidity and mortality. The Newborn Screening Saves Lives Act of 2007 and its successor, the Reauthorization Act of 2014, legislated the establishment of a Department of Health and Human Services Advisory Committee to make recommendations around newborn screening and a methodology to establish and add new conditions to a Recommended Uniform Screening Panel (RUSP) which currently includes 34 core conditions. In spite of the absence of a federal mandate that requires each of the states in the U.S. to screen for the disorders on the RUSP, most state public health laboratories have adopted the conditions on this panel. Moreover, the evolution of the evidence-based review process for adding new conditions to the RUSP has led to improvements in incorporating the public health impact and feasibility and implementation considerations. The cooperation between the federal partners who support implementation and rollout of state-based screening programs, develop technical standards and proficiency materials for laboratories, review and approve new technology platforms, and promote research to develop new assays and treatments for screenable disorders, points to the success of the newborn screening enterprise nationwide. As new technologic advances are made in the realm of genomic sequencing, the potential for incorporating these technologies holds great promise for newborn screening, but the ethical ramifications must be carefully considered to avoid harming the existing trust in the program. PMID- 29214580 TI - Primary Prevention of Congenital Anomalies: Special Focus on Environmental Chemicals and other Toxicants, Maternal Health and Health Services and Infectious Diseases. AB - Congenital anomalies (CA) represent an important fraction of rare diseases, due to the critical role of non-genetic factors in their pathogenesis. CA are the main group of rare diseases in which primary prevention measures will have a beneficial impact. Indeed, since 2013 the European Union has endorsed a body of evidence-based recommendations for CA primary prevention; the recommendations aim at facilitating the inclusion of primary prevention actions the National Rare Disease Plans of EU Member States and encompass different public health fields, from environment through to maternal diseases and lifestyles.The chapter overviews and discusses the assessment of main risk factors for CA, such as environmental toxicants, maternal health and lifestyles and infections, with a special attention to issues that are emerging or need more knowledge.Overall, the availability of CA registries is important for estimating the health burden of CA, identifying possible hotspots, assessing the impact of interventions and addressing further, fit-to-purpose research.The integration of relevant public health actions that are already in place (e.g., control of noxious chemicals, vaccination programmes, public health services addressing chronic maternal conditions) can increase the affordability and sustainability of CA primary prevention. In developing countries with less primary prevention in place and limited overall resources, a first recognition phase may be pivotal in order to identify priority targets. In the meanwhile, policy makers should be made aware that primary prevention of RD supports publicly endorsed societal values like the knowledge-based promotion of health, empowerment, equity and social inclusiveness. PMID- 29214582 TI - A Global Approach to Rare Diseases Research and Orphan Products Development: The International Rare Diseases Research Consortium (IRDiRC). AB - Rare diseases present unique challenges to researchers due to the global distribution of patients, complexity and low prevalence of each disease, and limited availability of data. They are also overwhelming and costly for patients, their families, communities, and society. As such, global integration of rare diseases research is necessary to accelerate the understanding, diagnosis, and treatment of rare disorders. The International Rare Diseases Research Consortium (IRDiRC) was born out of that need for a coordinated international community. IRDiRC was launched in 2011 to facilitate cooperation and collaboration on a global scale among the many stakeholders active in rare diseases research to stimulate better coordination, and thereby maximize output of rare diseases research efforts around the world. Members include funders, academic researchers, companies, and patient advocacy organizations all of whom share the common goals and principles of IRDiRC. The overarching objectives of the Consortium are to contribute to the development of 200 new therapies and a means to diagnose most rare diseases, by 2020. As IRDiRC approaches the end of its fifth year, these initial objectives have been largely achieved and new partners from across the globe are joining. This presents the Consortium with the exciting opportunity to set new and even more ambitious goals for the next phase with the ultimate goal of improved health through faster and better diagnostic capabilities and novel therapies for people living with rare diseases and conditions throughout the world. PMID- 29214583 TI - Prospects of Pluripotent and Adult Stem Cells for Rare Diseases. AB - Rare diseases are highly diverse and complex regarding molecular underpinning and clinical manifestation and afflict millions of patients worldwide. The lack of appropriate model systems with face and construct validity and the limited availability of live tissues and cells from patients has largely hampered the understanding of underlying disease mechanisms. As a consequence, there are no adequate treatment options available for the vast majority of rare diseases. Over the last decade, remarkable progress in pluripotent and adult stem cell biology and the advent of powerful genomic technologies opened up exciting new avenues for the investigation, diagnosis, and personalized therapy of intractable human diseases. Utilizing the entire range of available stem cell types will continue to cross-fertilize different research areas and leverage the investigation of rare diseases based on evidence-based medicine. Standardized cell engineering and manufacturing from inexhaustible stem cell sources should lay the foundation for next-generation drug discovery and cell therapies that are broadly applicable in regenerative medicine. In this chapter we discuss how patient- and disease specific iPS cells as well as adult stem cells are changing the pace of biomedical research and the translational landscape. PMID- 29214584 TI - Personalized Medicine: What's in it for Rare Diseases? AB - Personalised Medicine has become a reality over the last years. The emergence of 'omics' and big data has started revolutionizing healthcare. New 'omics' technologies lead to a better molecular characterization of diseases and a new understanding of the complexity of diseases. The approach of PM is already successfully applied in different healthcare areas such as oncology, cardiology, nutrition and for rare diseases. However, health systems across the EU are often still promoting the 'one-size fits all' approach, even if it is known that patients do greatly vary in their molecular characteristics and response to drugs and other interventions. To make use of the full potentials of PM in the next years ahead several challenges need to be addressed such as the integration of big data, patient empowerment, translation of basic to clinical research, bringing the innovation to the market and shaping sustainable healthcare systems. PMID- 29214585 TI - Microphysiological Systems (Tissue Chips) and their Utility for Rare Disease Research. AB - The scientific and technological development of microphysiological systems (MPS) modeling organs-on-chips, or "tissue chips" (TCs), has progressed rapidly over the past decade. Stem cell research and microfluidic concepts have combined to lead to the development of microphysiological platforms representing an ever expanding list of different human organ systems. In the context of rare diseases, these bioengineered microfluidics platforms hold promise for modeling of disorders and could prove useful in the screening and efficacy testing of existing therapeutics. Additionally, they have the potential for replacing and refining animal use for new drugs and clinical treatments, or could even act as surrogate human systems for testing of new therapeutics in the future, which could be particularly useful in populations of rare disease sufferers. This chapter will discuss the current state of tissue chip research, and challenges facing the field. Additionally, we will discuss how these devices are being used to model basic cellular and molecular phenotypes of rare diseases, holding promise to provide new tools for understanding of disease pathologies and screening and efficacy testing of potential therapeutics for drug discovery. PMID- 29214586 TI - Epidemiology of Rare Lung Diseases: The Challenges and Opportunities to Improve Research and Knowledge. AB - Rare lung diseases encompass a broad spectrum of conditions and affect an estimated 1.2-2.5 million people in North America and 1.5-3 million people in Europe. While individual rare lung diseases affect less than 1 in 2000 individuals, collectively they have a significant impact upon the population at large. Hence it is vital to understand firstly the epidemiology and subsequently the pathogenesis and clinical course of these disorders. Through a greater understanding of these aspects of disease, progress can be made in reducing symptoms, containing healthcare costs and utilizing resources efficiently. Furthermore, a greater understanding of the pathobiology of rare lung diseases can inform both the pathogenesis and management of more common pulmonary disorders.In this chapter we review how epidemiological approaches and the utilization of patient registries has improved the knowledge and management of rare lung diseases. We further focus on the epidemiology of several of the more widely known rare pulmonary disorders, including idiopathic pulmonary fibrosis (IPF), cystic fibrosis (CF) and alpha-1 antitrypsin deficiency (AATD). To conclude we describe how patient advocacy groups and foundations have driven advances in research and management of ultra-rare lung diseases, namely, the major strides made in the management and understanding of lymphangioleiomyomatosis (LAM) and pulmonary alveolar proteinosis (PAP).We conclude that the models used to study some of the rarest of diseases may be successfully adopted by other rare and common disease communities, leading to improved care and the possibility of novel therapeutic options. PMID- 29214587 TI - Rare Neurodegenerative Diseases: Clinical and Genetic Update. AB - More than 600 human disorders afflict the nervous system. Of these, neurodegenerative diseases are usually characterised by onset in late adulthood, progressive clinical course, and neuronal loss with regional specificity in the central nervous system. They include Alzheimer's disease and other less frequent dementias, brain cancer, degenerative nerve diseases, encephalitis, epilepsy, genetic brain disorders, head and brain malformations, hydrocephalus, stroke, Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS or Lou Gehrig's Disease), Huntington's disease, and Prion diseases, among others. Neurodegeneration usually affects, but is not limited to, the cerebral cortex, intracranial white matter, basal ganglia, thalamus, hypothalamus, brain stem, and cerebellum. Although the majority of neurodegenerative diseases are sporadic, Mendelian inheritance is well documented. Intriguingly, the clinical presentations and neuropathological findings in inherited neurodegenerative forms are often indistinguishable from those of sporadic cases, suggesting that converging genomic signatures and pathophysiologic mechanisms underlie both hereditary and sporadic neurodegenerative diseases. Unfortunately, effective therapies for these diseases are scarce to non-existent. In this chapter, we highlight the clinical and genetic features associated with the rare inherited forms of neurodegenerative diseases, including ataxias, multiple system atrophy, spastic paraplegias, Parkinson's disease, dementias, motor neuron diseases, and rare metabolic disorders. PMID- 29214588 TI - Immunological Rare Diseases. AB - The immune system is delegated to defend the body from attacks from outside or inside. Many diseases can affect immune system reducing its ability to defend self or inducing an abnormal response against external or internal antigens. Rare diseases affecting immune system present some issue in common with other rare diseases and some peculiarities due to the huge variability in the disease's expression. However, a correct estimation of the epidemiology of rare disorders is necessary for evaluating the prognosis and the responses to new therapies, for planning proper public health services, and finally to establish fair and sustainable prices for innovative medicines. Due to the enormous number of different rare immunological diseases, in this chapter we are going to analyse some of them that can be considered paradigmatic of the various expressions of disease. PMID- 29214589 TI - Indigenous Genetics and Rare Diseases: Harmony, Diversity and Equity. AB - Advances in our understanding of genetic and rare diseases are changing the face of healthcare. Crucially, the global community must implement these advances equitably to reduce health disparities, including between Indigenous and non Indigenous peoples. We take an Australian perspective to illustrate some key areas that are fundamental to the equitable translation of new knowledge for the improved diagnosis of genetic and rare diseases for Indigenous people. Specifically, we focus on inequalities in access to clinical genetics services and the lack of genetic and phenomic reference data to inform diagnoses. We provide examples of ways in which these inequities are being addressed through Australian partnerships to support a harmonious and inclusive approach to ensure that benefits from traditional wisdom, community knowledge and shared experiences are interwoven to support and inform implementation of new knowledge from genomics and precision public health. This will serve to deliver benefits to all of our diverse citizens, including Indigenous populations. PMID- 29214590 TI - Mortality Statistics and their Contribution to Improving the Knowledge of Rare Diseases Epidemiology: The Example of Hereditary Ataxia in Europe. AB - Official mortality statistics provide population-based data and serve to improve epidemiological knowledge of rare diseases (RDs), by helping with the description of the natural history of the disease. They are an important complement of registries and estimates of disease burden and costs. At the same time, they heighten both the visibility of these diseases and the interest in their study and the search for treatments that may increase survival. This chapter contains a European analysis of hereditary ataxia mortality, which considers the time trend in different countries and the geographical variability in risk of death. Despite the limitations of applying this data source to RDs, mortality statistics share criteria which facilitate international comparisons and are of great utility for obtaining sufficiently uniform and robust time series for analysis of low prevalence diseases. PMID- 29214591 TI - Congenital Anomalies: Cluster Detection and Investigation. AB - This work summarizes the main aspects to be considered around birth defects (or congenital anomalies) clusters. Most birth defects (BD), considered individually, fall into the definition of rare diseases (RD), according to their low frequency. Likewise, many RD are congenital, because their manifestations are present at birth or can be even evident before the delivery. It has been estimated that overall 7.9 million children are born each year with serious BD of genetic or partially genetic origin, and additional hundreds of thousands more are born with serious BD of post-conception origin.A "birth defect cluster" can be defined as an unusual aggregation of cases (grouped in place and time) that is suspected to be greater than expected, even though the expected number may not be known. These clusters are incidents or occurrences that let us turn the challenge of identifying the causal agent(s) involved in the origin of such clusters, into an opportunity to exert primary prevention, and thus achieve the ultimate goal of enabling infants being born healthy. Therefore, any program or system involved in BD surveillance and research should devote part of its activities to detect and investigate clusters, to ensure that such opportunity for primary prevention will be conveniently leveraged. Regardless the type of cluster, there are several phases that must be undertaken sequentially for proper control and the maximum benefit for the population: cluster detection, evaluation and investigation, management, adoption of preventive measures, and communication of the results to the public or target population. PMID- 29214592 TI - The European Union Policy in the Field of Rare Diseases. AB - Rare diseases, are defined by the European Union as life-threatening or chronically debilitating diseases with low prevalence (less than 5 per 10,000). The specificities of rare diseases - limited number of patients and scarcity of relevant knowledge and expertise - single them out as a unique domain of very high European added-value.The legal instruments at the disposal of the European Union, in terms of the Article 168 of the Treaties, are very limited. However a combination of instruments using the research and the pharmaceutical legal basis and an intensive and creative use of funding from the Health Programmes has permitted to create a solid basis that Member States have considered enough to put rare diseases in a privileged position in the health agenda.The adoption of the Commission Communication, in November 2008, and of the Council Recommendation, in June 2009, and in 2011 the adoption of the Directive on Cross border healthcare., have created an operational framework to act in the field of rare disease with European coordination in several areas (classification and codification, European Reference Networks, orphan medicinal products, the Commission expert group on rare diseases, etc.).Rare diseases is an area with high and practical potential for the European cooperation. PMID- 29214593 TI - The Role of Solidarity(-ies) in Rare Diseases Research. AB - Solidarity plays a relevant role in rare diseases (RDs) research to create and enable research in the field. In Europe RDs are estimated to affect between 27 and 36 million people even though single RDs can count very few patients, making the contribution of everyone essential to reach solid results. Often RD research is initiated by patient groups devoting substantial time and resources to the scientific enterprise. In RD research solidarity is often evocated and expressed, in different ways and on different levels, so that it is possible to talk about "solidarities" played by different stakeholders and sometimes conflicting with each other. In this paper we describe different contexts in which solidarity is expressed and embedded in RD research, in particular the context of tight relationships between individuals and their families or in small communities/ethnic groups; among individuals suffering from different RDs and researchers working on a specific RD or a group of RDs, and within society at large. In all these cases the different types of solidarity should be balanced against each other and also against conflicting values. The request to a patient to share data and samples to increase scientific knowledge on the basis of solidarity values needs to be balanced against the need to protect her privacy and autonomy; the duty for a researcher to allow fair access to RD sample and data collections which were donated in a spirit of solidarity is balanced against the need to be competitive in the research world. In the Report "Solidarity. Reflections on an emerging concept in bioethics", the Nuffield Council of Bioethics defines solidarity as "shared practices reflecting a collective commitment to carry 'costs' (financial, social, emotional or otherwise) to assist others". Therefore, if a solidarity framework has to be solid and ethically sound it needs to be framed as a shared value, reflected in the different practices by all the stakeholders and be based on reciprocity (not one sided). The context of solidarity(ies) provides a solid base for framing the research endeavor as collectively valuable, not only for possible results of the research, but as intrinsic valid societal practice. This paper tries to draw the lessons on solidarity that we can derive from the RD world where "solidarities" have been part of the game for long time and are declined on many different levels. PMID- 29214594 TI - Bridging the Gap between Health and Social Care for Rare Diseases: Key Issues and Innovative Solutions. AB - Bridging the gaps between health and social care for rare diseases is not only necessary but crucial to increase the life expectancy, quality of life and autonomy of people living with a rare disease, supporting them in the full realisation of their fundamental human rights.The complexity of rare diseases, their strong relation to disability and the current unmet social and daily life needs of people living with a rare disease must not be underestimated and require urgent attention from all stakeholders involved in care provision, from healthcare to social and community services.The Commission Expert Group Recommendations to Support the Incorporation of Rare Diseases into Social Services and Policies, adopted unanimously in April 2016, by the representatives of European Member States and the other rare disease stakeholders, clearly set the tone for the need to promote measures that facilitate multidisciplinary, holistic, continuous, person-centred and participative care provision to people living with rare diseases.These recommendations, sided by other recent policy developments at European and national levels, represent an important policy step into approaching rare diseases' complex challenges in regards to holistic care provision.Innovative approaches aiming at bridging the gap between health, social and community service and support providers are currently being developed and tested in different European countries: standards of care, networks of expertise, case management services, one-stop-shop services, amongst others.These ongoing pilot approaches, presented in this chapter, have the power to inspire future policies and the effective and efficient implementation of holistic care pathways for people living with a rare disease, bringing about significant changes for patients, carers, care providers, competent authorities and the society at large.Nonetheless, the challenges to fully address this issue remain numerous and other key issues will also need to be taken into account when moving forward with the implementation of measures that aim at bridging the gaps between care providers and providing holistic care to people living with a rare disease. PMID- 29214595 TI - Health Systems Sustainability and Rare Diseases. AB - The paper is addressing aspects of health system sustainability for rare diseases in relation to the current economic crisis and equity concerns. It takes into account the results of the narrative review carried out in the framework of the Joint Action for Rare Diseases (Joint RD-Action) "Promoting Implementation of Recommendations on Policy, Information and Data for Rare Diseases", that identified networks as key factors for health systems sustainability for rare diseases. The legal framework of European Reference Networks and their added value is also presented. Networks play a relevant role for health systems sustainability, since they are based upon, pay special attention to and can intervene on health systems knowledge development, partnership, organizational structure, resources, leadership and governance. Moreover, sustainability of health systems can not be separated from the analysis of the context and the action on it, including fiscal equity. As a result of the financial crisis of 2008, cuts of public health-care budgets jeopardized health equity, since the least wealthy suffered from the greatest health effects. Moreover, austerity policies affected economic growth much more adversely than previously believed. Therefore, reducing public health expenditure not only is going to jeopardise citizens' health, but also to hamper fair and sustainable development. PMID- 29214596 TI - Preparing for the Future of Rare Diseases. AB - Members of the rare disease community have devoted significant financial and personnel resources to address the numerous issues surrounding rare diseases. The past has been devoted to developing an emphasis on rare diseases including an emphasis on research studies or locating information on rare diseases and the requirements and limitations of conducting clinical trials with small patient populations. The expanded role of patient advocacy organizations and patient engagement in all aspects of clinical research continues to gain acceptance within the research community. The future will require a greater understanding and interpretation of available information from multiple sources including electronic health records and big data sources. The pipeline of potential orphan products continues to grow significantly and holds great promise for novel interventions due to advances in clinical trial design and data analyses. Expanding diagnostic procedures with improved sequencing methods will speed up the diagnosis or rare diseases. Accepting agreed upon nomenclature and codification of rare diseases will assist in differentiating diseases and identifying selected sub-populations of rare diseases. Improvements in patient recruitment and increased flexibility in the product review and approval procedures by regulatory agencies will facilitate product approvals. Children particularly will need help and assistance dealing with feelings of isolation from their peers due to their rare disease. During the transition from childhood to adolescence to adult, difficulties of fitting in with peers and not wanting to be different are a major concern. In response to increasing costs of treatments, Value-Based Care is gaining greater acceptance by the reimbursement and the payer community as a basis for payment for interventions. Mobile Health (M-health) Technologies have the potential to revolutionize how clinical research is conducted in the future. Wearable devices, remote sensors, and the development of mobile device applications (apps) will all assist in constant monitoring of patients for safety and efficacy of approved and investigational compounds. Tele Health and Tele Medicine may provide the necessary access to expert clinicians with a better understanding of individual rare diseases. The future promises great advances and even greater personalized treatments with the introduction of novel treatments and approaches to care. PMID- 29214597 TI - Fabrication and Characterization of New Composite Tio2 Carbon Nanofiber Anodic Catalyst Support for Direct Methanol Fuel Cell via Electrospinning Method. AB - Platinum (Pt) is the common catalyst used in a direct methanol fuel cell (DMFC). However, Pt can lead towards catalyst poisoning by carbonaceous species, thus reduces the performance of DMFC. Thus, this study focuses on the fabrication of a new composite TiO2 carbon nanofiber anodic catalyst support for direct methanol fuel cells (DMFCs) via electrospinning technique. The distance between the tip and the collector (DTC) and the flow rate were examined as influencing parameters in the electrospinning technique. To ensure that the best catalytic material is fabricated, the nanofiber underwent several characterizations and electrochemical tests, including FTIR, XRD, FESEM, TEM, and cyclic voltammetry. The results show that D18, fabricated with a flow rate of 0.1 mLhr-1 and DTC of 18 cm, is an ultrafine nanofiber with the smallest average diameter, 136.73 +/- 39.56 nm. It presented the highest catalyst activity and electrochemical active surface area value as 274.72 mAmg-1 and 226.75m2 g-1PtRu, respectively, compared with the other samples. PMID- 29214598 TI - Evaluation of a wireless, portable, wearable multi-parameter vital signs monitor in hospitalized neurological and neurosurgical patients. AB - Unrecognized changes in patients' vital signs can result in preventable deaths in hospitalized patients. Few publications or studies instituting routine patient monitoring have described implementation and the setting of alarm parameters for vital signs. We wanted to determine if continuous multi-parameter patient monitoring can be accomplished with an alarm rate that is acceptable to hospital floor nurses and to compare the rate of patient deterioration events to those observed with routine vital sign monitoring. We conducted a prospective, observational, 5-month pilot study in a 26-bed adult, neurological/neurosurgical unit (non-ICU) in an academic medical center. A patient surveillance system employing a wireless body-worn vital signs monitor with automated nursing notification of alarms via smartphones was used to gather data. Data collected included: alarm rates, rapid response team (RRT) calls, intensive care unit (ICU) transfers, and unplanned deaths before and during the pilot study. Average alarm rate for all alarms (SpO2, HR, RR, NIBP) was 2.3 alarms/patient/day. The RRT call rate was significantly reduced (p < 0.05) from 189 to 158 per 1000 discharges. ICU transfers per 1000 discharges were insignificantly reduced from 53 to 40 compared to the previous 5-month period in the same unit. Similar measures of comparison units did not change over the same period. Although unplanned patient deaths in the study unit were also reduced during the intervention period, this was not statistically significant. Continual, multi-parameter vital signs monitoring can be customized to reduce a high alarm rates, and may reduce rapid response team calls. PMID- 29214599 TI - Protein tyrosine phosphatase 1B inhibitors from natural sources. AB - Since PTP1B enzyme was discovered in 1988, it has captured the research community's attention. This landmark discovery has stimulated numerous research studies on a variety of human diseases, including cancer, inflammation, and diabetes. Tremendous progress has been made in finding PTP1B inhibitors and exploring PTP1B regulatory mechanisms. This review investigates for the natural PTP1B inhibitors, and focuses on the common characteristics of the discovered structures and structure-activity relationships. To facilitate understanding, all the natural compounds are here divided into five different classes (fatty acids, phenolics, terpenoids, steroids, and alkaloids), according to their skeletons. These PTP1B inhibitors of scaffold structures could serve as a theoretical basis for new concept drug discovery and design. PMID- 29214600 TI - Apoptosis induction by alantolactone in breast cancer MDA-MB-231 cells through reactive oxygen species-mediated mitochondrion-dependent pathway. AB - Alantolactone is a sesquiterpene lactone isolated from Inula helenium L. Although alantolactone possesses anti-inflammation and apoptosis-induction activities, the underlying mechanism of anti-cancer effect on human breast cancer cells remains largely unknown. In this study, we explored the possibility of alantolactone as an apoptosis-inducing cytotoxic agent using MDA-MB-231 cells as in vitro model. Alantolactone significantly induced its apoptosis, demonstrated by cell cycle analysis, annexin V-APC/7-AAD double staining and dUTP nick end labeling. Additionally, alantolactone triggered the mitochondrial-mediated caspase cascade apoptotic pathway, which was confirmed by increased Bax/Bcl-2 ratio, loss of MMP, release of cytc from mitochondria to cytoplasm, activation of caspase 9/3, and subsequent cleavage of PARP. Z-VAD-FMK partially prevented apoptosis induced by alantolactone. Alantolactone provoked the production of ROS, while NAC (a scavenger of ROS) reversed alantolactone-mediated depolarization of MMP and apoptosis. Alantolactone modulated the activities of MAPKs. As expected, cotreatment with SB203580, SP600125 or U0126 could reduced the apoptotic rate. Furthermore, alantolactone decreased the protein expressions of p-NF-kB p65 and p STAT3, increased p-c-Jun level in a dose-dependent manner. These findings suggested that alantolactone possessed anticancer activity via ROS-mediated mitochondrial dysfunction involving MAPK pathway, and had an effect on the transcription factors of NF-kB, AP-1 and STAT3. PMID- 29214601 TI - Emerging potential of stimulus-responsive nanosized anticancer drug delivery systems for systemic applications. AB - The development of novel drug delivery systems based on well-defined polymer therapeutics has led to significant improvements in the treatment of multiple disorders. Advances in material chemistry, nanotechnology, and nanomedicine have revolutionized the practices of drug delivery. Stimulus-responsive material-based nanosized drug delivery systems have remarkable properties that allow them to circumvent biological barriers and achieve targeted intracellular drug delivery. Specifically, the development of novel nanocarrier-based therapeutics is the need of the hour in managing complex diseases. In this review, we have briefly described the fundamentals of drug targeting to diseased tissues, physiological barriers in the human body, and the mechanisms/modes of drug-loaded carrier systems. To that end, this review serves as a comprehensive overview of the recent developments in stimulus-responsive drug delivery systems, with focus on their potential applications and impact on the future of drug delivery. PMID- 29214603 TI - Documenting and Understanding Parent's Intervention Choices for Their Child with Autism Spectrum Disorder. AB - Understanding why parents choose some interventions but not others for their child with autism is important for a number of reasons. Estimating the proportion of evidence-based interventions engaged, identifying the agencies influencing parental decisions, and elucidating the barriers or reasons leading to intervention rejection or discontinuation can result in better service provision. New Zealand parents (n = 570) of a child with autism reported what interventions were being engaged, and why some interventions were engaged but not others. Funding was a major determinant of intervention engagement, while medical professionals exerted the most influence. Sources of support were not related to intervention engagement, but parental perceptions of their child's symptom severity were. Finally, non-engagement does not necessarily reflect parental opposition to an intervention, but rather the existence of barriers. PMID- 29214602 TI - Peromyscus maniculatus bairdii as a naturalistic mammalian model of obsessive compulsive disorder: current status and future challenges. AB - Obsessive-compulsive disorder (OCD) is a prevalent and debilitating condition, characterized by intrusive thoughts and repetitive behavior. Animal models of OCD arguably have the potential to contribute to our understanding of the condition. Deer mice (Permomyscus maniculatus bairdii) are characterized by stereotypic behavior which is reminiscent of OCD symptomology, and which may serve as a naturalistic animal model of this disorder. Moreover, a range of deer mouse repetitive behaviors may be representative of different compulsive-like phenotypes. This paper will review work on deer mouse behavior, and evaluate the extent to which this serves as a valid and useful model of OCD. We argue that findings over the past decade indicate that the deer mouse model has face, construct and predictive validity. PMID- 29214604 TI - Abilities to Explicitly and Implicitly Infer Intentions from Actions in Adults with Autism Spectrum Disorder. AB - Previous research suggests that Autism Spectrum Disorder (ASD) might be associated with impairments on implicit but not explicit mentalizing tasks. However, such comparisons are made difficult by the heterogeneity of stimuli and the techniques used to measure mentalizing capabilities. We tested the abilities of 34 individuals (17 with ASD) to derive intentions from others' actions during both explicit and implicit tasks and tracked their eye-movements. Adults with ASD displayed explicit but not implicit mentalizing deficits. Adults with ASD displayed typical fixation patterns during both implicit and explicit tasks. These results illustrate an explicit mentalizing deficit in adults with ASD, which cannot be attributed to differences in fixation patterns. PMID- 29214605 TI - Creation of artificial protein-protein interactions using alpha-helices as interfaces. AB - Designing novel protein-protein interactions (PPIs) with high affinity is a challenging task. Directed evolution, a combination of randomization of the gene for the protein of interest and selection using a display technique, is one of the most powerful tools for producing a protein binder. However, the selected proteins often bind to the target protein at an undesired surface. More problematically, some selected proteins bind to their targets even though they are unfolded. Current state-of-the-art computational design methods have successfully created novel protein binders. These computational methods have optimized the non-covalent interactions at interfaces and thus produced artificial protein complexes. However, to date there are only a limited number of successful examples of computationally designed de novo PPIs. De novo design of coiled-coil proteins has been extensively performed and, therefore, a large amount of knowledge of the sequence-structure relationship of coiled-coil proteins has been accumulated. Taking advantage of this knowledge, de novo design of inter-helical interactions has been used to produce artificial PPIs. Here, we review recent progress in the in silico design and rational design of de novo PPIs and the use of alpha-helices as interfaces. PMID- 29214606 TI - Recent progress on understanding the mechanisms of amyloid nucleation. AB - Amyloid fibrils are supramolecular protein assemblies with a fibrous morphology and cross-beta structure. The formation of amyloid fibrils typically follows a nucleation-dependent polymerization mechanism, in which a one-step nucleation scheme has widely been accepted. However, a variety of oligomers have been identified in early stages of fibrillation, and a nucleated conformational conversion (NCC) mechanism, in which oligomers serve as a precursor of amyloid nucleation and convert to amyloid nuclei, has been proposed. This development has raised the need to consider more complicated multi-step nucleation processes in addition to the simplest one-step process, and evidence for the direct involvement of oligomers as nucleation precursors has been obtained both experimentally and theoretically. Interestingly, the NCC mechanism has some analogy with the two-step nucleation mechanism proposed for inorganic and organic crystals and protein crystals, although a more dramatic conformational conversion of proteins should be considered in amyloid nucleation. Clarifying the properties of the nucleation precursors of amyloid fibrils in detail, in comparison with those of crystals, will allow a better understanding of the nucleation of amyloid fibrils and pave the way to develop techniques to regulate it. PMID- 29214607 TI - Generation and propagation of yeast prion [URE3] are elevated under electromagnetic field. AB - In this study, we studied the effect of 2.0 GHz radio frequency electromagnetic field (RF-EMF) and 50 Hz extremely low frequency electromagnetic field (ELF-EMF) exposure on prion generation and propagation using two budding yeast strains, NT64C and SB34, as model organisms. Under exposure to RF-EMF or ELF-EMF, the de novo generation and propagation of yeast prions [URE3] were elevated in both strains. The elevation increased over time, and the effects of ELF-EMF occurred in a dose-dependent manner. The transcription and expression levels of the molecular chaperones Hsp104, Hsp70-Ssa1/2, and Hsp40-Ydj1 were not statistically significantly changed after exposure. Furthermore, the levels of ROS, as well as the activities of superoxide dismutase (SOD) and catalase (CAT), were significantly elevated after short-term, but not long-term exposure. This work demonstrated for the first time that EMF exposure could elevate the de novo generation and propagation of yeast prions and supports the hypothesis that ROS may play a role in the effects of EMF on protein misfolding. The effects of EMF on protein folding and ROS levels may mediate the broad effects of EMF on cell function. PMID- 29214608 TI - A Science and Risk-Based Pragmatic Methodology for Blend and Content Uniformity Assessment. AB - This paper describes a pragmatic approach that can be applied in assessing powder blend and unit dosage uniformity of solid dose products at Process Design, Process Performance Qualification, and Continued/Ongoing Process Verification stages of the Process Validation lifecycle. The statistically based sampling, testing, and assessment plan was developed due to the withdrawal of the FDA draft guidance for industry "Powder Blends and Finished Dosage Units-Stratified In Process Dosage Unit Sampling and Assessment." This paper compares the proposed Grouped Area Variance Estimate (GAVE) method with an alternate approach outlining the practicality and statistical rationalization using traditional sampling and analytical methods. The approach is designed to fit solid dose processes assuring high statistical confidence in both powder blend uniformity and dosage unit uniformity during all three stages of the lifecycle complying with ASTM standards as recommended by the US FDA. PMID- 29214609 TI - Soy Protein Microparticles for Enhanced Oral Ibuprofen Delivery: Preparation, Characterization, and In Vitro Release Evaluation. AB - The objective of this work was to evaluate soy protein isolate (SPI) and acylated soy protein (SPA) as spray-drying encapsulation carriers for oral pharmaceutical applications. SPI acylation was performed by the Schotten-Baumann reaction. SPA, with an acylation rate of 41%, displayed a decrease in solubility in acidic conditions, whereas its solubility was unaffected by basic conditions. The drug encapsulation capacities of both SPI and SPA were tested with ibuprofen (IBU) as a model poorly soluble drug. IBU-SPI and IBU-SPA particles were obtained by spray drying under eco-friendly conditions. Yields of 70 to 87% and microencapsulation efficiencies exceeding 80% were attained for an IBU content of 20 to 40% w/w, confirming the excellent microencapsulation properties of SPI and the suitability of the chemical modification. The in vitro release kinetics of IBU were studied in simulated gastrointestinal conditions (pH 1.2 and pH 6.8, 37 degrees C). pH sensitive release patterns were observed, with an optimized low rate of release in simulated gastric fluid for SPA formulations, and a rapid and complete release in simulated intestinal fluid for both formulations, due to the optimal pattern of pH-dependent solubility for SPA and the molecular dispersion of IBU in soy protein. These results demonstrate that SPI and SPA are relevant for the development of pH-sensitive drug delivery systems for the oral route. PMID- 29214610 TI - Studies on the velocity of blood flow. PMID- 29214611 TI - Coronary risk equivalence of diabetes assessed by SPECT-MPI. AB - BACKGROUND: Several publications and guidelines designate diabetes mellitus (DM) as a coronary artery disease (CAD) risk equivalent. The aim of this investigation was to examine DM cardiac risk equivalence from the perspective of stress SPECT myocardial perfusion imaging (MPI). METHODS AND RESULTS: We examined cardiovascular outcomes (cardiac death or nonfatal MI) of 17,499 patients referred for stress SPECT-MPI. Patients were stratified into four categories: non DM without CAD, non-DM with CAD, DM without CAD, and DM with CAD, and normal or abnormal perfusion. Cardiac events occurred in 872 (5%), with event-free survival best among non-DM without CAD, worst in DM with CAD, and intermediate in DM without CAD, and non-DM with CAD. After multivariate adjustment, risk remained comparable between DM without CAD and non-DM with CAD [AHR 1.0 (95% CI 0.84 1.28), P =0.74]. Annualized event rates for normal subjects were 1.4% and 1.6% for non-DM with CAD and DM without CAD, respectively (P = 0.48) and 3.5% (P = 0.95) for both abnormal groups. After multivariate adjustment, outcomes were comparable within normal [AHR 1.4 (95% CI 0.98-1.96) P = 0.06] and abnormal [AHR 1.1 (95% CI 0.83-1.50) P = 0.49] MPI. CONCLUSIONS: Diabetic patients without CAD have comparable risk of cardiovascular events as non-diabetic patients with CAD after stratification by MPI results. These findings support diabetes as a CAD equivalent and suggest that MPI provides additional prognostic information in such patients. PMID- 29214612 TI - Complete revascularization determined by myocardial perfusion imaging could improve the outcomes of patients with stable coronary artery disease, compared with incomplete revascularization and no revascularization. AB - OBJECTIVES: To compare the outcomes among patients treated by complete coronary revascularization (CCR) or incomplete coronary revascularization (ICR) and no coronary revascularization (NCR) by myocardial perfusion imaging (MPI), as well as to evaluate the impact of severity of ischemia on patients with coronary artery disease (CAD) by different therapy strategies. BACKGROUND: Using myocardial ischemia severity determined by MPI guiding treatment strategies for CAD patients still lacks strong clinical evidences. METHODS: Consecutive patients (N = 286) underwent clinical stress-rest SPECT MPI and were retrospectively followed-up. For assessment of outcome of treatment, all patients were classified into three groups (CCR, ICR, and NCR), and further divided into two subgroups as mild ischemia (< 10% ischemic myocardium) and moderate-severe ischemia (>= 10% ischemic myocardium). All-cause death was defined as the primary endpoint, and the composite of deaths, nonfatal myocardial infarction, and repeat revascularization (MACE) as the secondary endpoint. RESULTS: Two-hundred eighty six patients were followed-up for 46 +/- 21 months. Thirty deaths and 65 MACEs were recorded. Patients treated by revascularization had significantly lower MACE (P < .001) but not mortality (P = .158) than patients treated by NCR. Outcomes of CCR related to mortality rate were greater than ICR and NCR (death: P = .019, MACE: P < .001). In patients with moderate-severe ischemia, CCR showed improved outcomes than ICR and NCR (death: P = .034; and MACE: P < .001). In patients with mild ischemia, the outcomes of CCR, ICR, and NCR had no significant difference (P > .05). Multivariate regression Cox analysis revealed that summed difference score [death: HR 1.09 (1.03, 1.15), P = .004] was an independent risk factor and CCR was an independent negative predictor [death: HR 0.31 (0.12, 0.81), P = .017; MACE: HR 0.30 (0.16, 0.57), P < .001]. CONCLUSIONS: Outcomes of patients treated by CCR were most likely more promising in comparison with treatment of ICR and NCR, especially when patients had over 10% ischemic myocardium. PMID- 29214613 TI - Antibiotics in the treatment of patients with lower back pain associated with Modic changes: a case series. AB - PURPOSE: To determine the clinical effect of antibiotic treatment for patients with low back pain and Modic 1 changes. METHODS: This is a retrospective case series of patients treated at the Canadian Forces Health Services Centre in Ottawa and the McGill University Health Centre. Where available, pain, functional, and imaging outcomes in 11 patients treated between 2013 and 2015 were analyzed to determine effect of antibiotic treatment for patients with low back pain and associated Modic 1 changes on magnetic resonance imaging. RESULTS: Conservatively, only 3 of 11 patients met the criteria for improvement for pain and/or function. While a larger proportion improved in the long term, outcomes were not thought to be temporally attributable to antibiotic treatment, as in most cases, ongoing therapy, medications, and/or injections were required. There did not appear to be a correlation between clinical improvement and associated end plate volume involvement for Modic changes. CONCLUSION: Antibiotics for the treatment of low back pain in the context of Modic changes on MRI did not generally provide significant improvement in pain and function for patients in this small cohort. Despite early excitement regarding this treatment, further research is required. PMID- 29214614 TI - Low rate of early disabling back pain following traumatic or posttraumatic major extremity amputation. PMID- 29214615 TI - Use of ankle magnetic resonance imaging in the active duty military population: the results of a process improvement project. AB - BACKGROUND: Preventing overuse of magnetic resonance imaging (MRI) for diagnosing ankle pathology was the goal of a process improvement project at a military treatment facility. METHODS: Ordering patterns for MRI of nonorthopaedic providers and orthopaedic surgeons were evaluated over 2 separate periods. An educational initiative on appropriate use of MRI in evaluating ankle complaints was conducted between the 2 periods. RESULTS: Between October 2009 and March 2010, 230 ankle MRIs were performed at our institution, compared to 347 ankle MRIs performed between December 2012 and August 2013. A lower number of patients underwent operative procedures after the education process than before (17% versus 25%). Fellowship-trained foot and ankle surgeons produced the highest number of operative patients with their MRI ordering practices (P=.003 and P=.0001 for Phases 1 and 2 respectively). There was no change in the number of ankle MRI studies ordered each month following the educational initiative (38.3 and 38.5 for Phases 1 and 2 respectively). CONCLUSIONS: The majority of patients undergoing ankle MRI did not undergo operative intervention. Foot and ankle surgeons produce the highest number of operative patients with their MRI ordering practices. Education alone was ineffective in altering ankle MRI ordering patterns. PMID- 29214616 TI - A randomized controlled trial evaluating methylsulfonylmethane versus placebo to prevent knee pain in military initial entry trainees. AB - BACKGROUND: Methylsulfonylmethane (MSM) is a naturally occurring sulfur containing substance that has been shown to have anti-inflammatory and antioxidative properties. Previous studies using MSM as an oral supplement to improve pain in those patients with knee osteoarthritis have shown superiority compared to placebo. However, these studies are not translatable to active individuals performing high impact activities and have not evaluated MSM as a preventative measure. METHODS: A total of 180 subjects ranging in age from 18 to 40 years were enrolled. Subjects were randomized into 2 groups receiving either 3 grams OptiMSM methylsulfonylmethane (Bergstrom Nutrition, Vancouver, WA) or a placebo for 8 weeks. Outcomes measured were the Knee Osteoarthritis Outcome Score (KOOS) and the Profile of Moods States (POMS). RESULTS: Three grams of MSM administered daily did not provide significant improvements in the 5 KOOS subscales or the 6 POMS subscales at 30 days or 60 days. CONSLUSION: Although 3 grams of MSM daily can be used safely, there does not appear to be a significant improvement in KOOS or POMS. PMID- 29214617 TI - GEHS neurophysiological classification system for patients with neuropathy of the ulnar nerve at the elbow. AB - BACKGROUND: Neuropathy of the ulnar nerve at the elbow is one of a number of muscle-related and nerve-related disorders that affect people performing intensive work with their hands and upper extremities, and is the second most prevalent peripheral nerve mononeuropathy. There are several classification systems currently being used by the medical community for patients with neuropathy of the ulnar nerve at the elbow. However, few of these classification systems include the clinical electrophysiologic parameters nerve conduction (NCS) and electromyographic (EMG) studies. PURPOSE: This article describes the GEHS (Greathouse, Ernst, Halle, and Shaffer) neurophysiological classification system for patients with neuropathy of the ulnar nerve at the elbow and includes 2 case studies of patients with electrophysiological evidence of neuropathy of the ulnar nerve at the elbow. CASE STUDIES: Two case studies of patients with electrophysiological evidence of neuropathy of the ulnar nerve at the elbow are presented. The GEHS neurophysiological classification system is incorporated into the discussion of these case studies. SUMMARY AND CLINICAL RELEVANCE: This article describes the GEHS neurophysiological classification system for patients with neuropathy of the ulnar nerve at the elbow which incorporates findings for both the NCS and EMG components of the electrophysiological examination. Availability of expanded electrophysiological data that includes both NCS and EMG testing provides the healthcare team and the patient with more detailed information that may be useful in determining next treatment steps as well as long-term prognosis. Future research comparing the psychometric properties and prognostic utility of the GEHS neurophysiologic classifications is warranted. PMID- 29214618 TI - The influence of smoking on recovery from subacromial pain syndrome: a cohort from the Military Health System. AB - BACKGROUND: Smoking rates are higher in the military population than in the civilian sector. Smoking is associated with poor prognosis for many musculoskeletal injuries. The purpose of this study was to investigate the effects of smoking on recovery from a shoulder injury in a prospective cohort seeking care at a military treatment facility. METHODS: Secondary analysis of 98 patients referred to physical therapy for unilateral shoulder pain. Patients received a corticosteroid injection or 6 sessions of physical therapy. Sociodemographic and historical variables were analyzed to assess their influence on whether a patient achieved the minimally clinically important difference of 12 or more points on the Shoulder Pain and Disability Index following treatment. RESULTS: The mean improvement was almost 50% in both groups and maintained to one year. Smoking was associated with not achieving a clinically significant improvement in disability scores at 4 weeks, but not 6 months. Higher levels of disability at baseline and receiving only the treatment originally assigned (not crossing over) were associated with achieving clinically significant changes at both 4 weeks and 6 months. COMMENT: Smoking is a modifiable variable that may help explain lack of improvement in patients with shoulder pain. Healthcare providers in the military setting should keep this in mind when educating this patient population and determining their prognosis, especially given high rates of smoking. Further research is needed to validate these findings and determine their influence on other musculoskeletal injuries. PMID- 29214619 TI - Real time interrater reliability of a novel musculoskeletal readiness screening tool. AB - : Military service members receive regular screenings for a variety of health conditions, but a field-expedient and military-specific screening tool that identifies an individual's risk for injury has not yet been identified. The purpose of this study is to describe the conduct of a novel musculoskeletal readiness screening tool (MRST) and evaluate the real-time interrater reliability of the MRST when scored by raters with differing levels of medical experience. MATERIALS/METHODS: This study included a convenience sample of 40 active duty military participants (30 male, 10 female, mean age 29.3+/-6.9 years) without any current musculoskeletal injury or pain at the time of enrollment. The MRST consisted of 5 physical performance tests and one self-report question as follows: (1) weight-bearing lunge (WBL), (2) overhead squat, (3) closed kinetic chain upper extremity stability test (CKCUEST), (4) eyes closed forward step down, (5) repeated tuck jump, and (6) individual perceived level of risk for MSK injury. Three raters (a board certified physical therapist with 15 years of experience, a physical therapy student with less than one year didactic training, and a physical therapy technician with approximately 10 years of experience) independently scored each event as 0, 1, or 2 based on the quality of the participant's performance. This scoring system allows for a cumulative score ranging from 0 to 12, with lower scores thought to indicate higher risk for future injury. Descriptive, reliability, and chance-corrected agreement statistics were calculated using IBM SPSS. This study was approved by the Brooke Army Medical Center Institutional Review Board at Fort Sam Houston, Texas. RESULTS: The mean composite MRST score for all graders was 7.79+/-1.41. Among all 3 raters the overall reliability was moderate (ICC (2,1)=0.75 (0.62, 0.85)). Chance-corrected agreement values for the individual events ranged from slight to almost perfect as follows: WBL (kappa=0.33-0.44), overhead squat (kappa=0.57 0.65), CKCUEST (kappa=0.89-1.0), eyes-closed forward step down (kappa=0.10-0.42), repeated tuck jump (kappa=0.39-0.61), individual perceived level of risk for MSK injury (kappa=1.0). CONCLUSIONS: The MRST showed moderate interrater reliability for the overall composite score with varied levels of agreement for individual events scores. Future research should investigate test-retest reliability and interrater reliability among medical personnel from different disciplines. PMID- 29214620 TI - Cognitive behavioral therapy for insomnia treatment in a military deployed operational setting utilizing enlisted combat medics: a Quality and Process Improvement Project. AB - Insomnia disorder is a prevalent condition especially among the American military, affecting up to 50% of service members. It is shown to affect military performance. Guidelines recommend the use of nonpharmacologic approaches as initial treatment of insomnia. Cognitive behavioral therapy informed insomnia treatment (CBT-I) has the greatest evidence, however it requires specialized training. While deployed in the Middle East in support of US military operations, we faced a resource challenge while caring for service members with insomnia. In order to meet the needs of the population, we created a checklist based CBT-I informed treatment to enable our health extenders, including combat medics and behavioral health specialists. Following institutional review board determination of this project as nonresearch, we implemented this as a Quality Improvement/Process Improvement Project (QI/PI). Here we describe the 4 phases of this QI/PI and our outcomes. This process can be easily reproduced in either the deployed or garrison setting with minimum efforts and resources, enabling delivery of high quality, evidence-and guidelines-based treatment while using combat medics and behavioral health specialists to their maximum potential. PMID- 29214621 TI - Sandfly fever in Afghanistan-a sometimes overlooked disease of military importance: a case series and review of the literature. AB - Sandfly fever, sometimes known as pappataci fever or Phlebotomus fever, is a vector transmitted viral illness with a history of affecting naive military formations that travel through or fight in areas in which the infection is endemic. We present a series of 4 hospitalized cases of sandfly fever (2 presumptive, 2 laboratory confirmed) that were admitted to a Role 3 hospital in Afghanistan for evaluation and treatment following medical evacuation from a forward area for marked fevers and malaise. Laboratory evaluation of these cases was significant for leukopenia and thrombocytopenia, consistent with historical descriptions of sandfly fever. In the correct geographic and clinical setting, the finding of mild leukopenia among a cluster of febrile patients should prompt the clinician to at least consider a diagnosis of sandfly fever. A cluster investigation conducted by preventive medicine personnel identified numerous other presumed cases of sandfly fever in this forward special operations camp. Response efforts emphasized enforcement of standard vector-borne disease control measures by operational leadership in order to limit effect on tactical operations. We review historical instances of sandfly fever affecting military operations, and present a review of clinical presentation, transmission, management, and prevention. PMID- 29214622 TI - Smoking and periodontal disease. PMID- 29214623 TI - Core temperature responses of military working dogs during training activities and exercise walks. AB - Heat strain is common in military working dogs (MWDs), but can be mitigated by limiting duration of activity to avoid overheating and allowing sufficient time for recovery. To determine work/rest times for MWDs, temperature responses during training must be characterized. This study measured body core temperature of 48 MWDs at Lackland Air Force Base, San Antonio, TX. Twenty-four MWDs in training for patrol and detection activities participated under a range of ambient temperatures in August (27 degrees C-32 degrees C), October (22 degrees C-26 degrees C) and March (approximately 13 degrees C). These MWDs swallowed a telemetric thermometer pill to measure continuous gastrointestinal tract temperature (Tgi). Twenty-four kennel MWDs participated in July (25 degrees C-29 degrees C). In these dogs rectal temperature (Tre) was measured manually during a standard exercise walk. For the MWDs in training, Tgi before the first activity was 38.5+/-0.5 degrees C (mean+/-SD) and final Tgi was 39.8+/-0.6 degrees C after sessions that lasted 13.1+/-4.9 minutes (5.4 to 26.3 minutes). Peak Tgi, 0.4+/ 0.4 degrees C above final Tgi, occurred 8 to 12 minutes into recovery. Before beginning a second activity 40 to 165 minutes later, Tgi was within 0.5 degrees C of initial values for 80% of dogs. For the kennel MWDs, Tre was 39.0+/-0.8 degrees C (37.7 degrees C to 40.7 degrees C) at the start and 40.1+/-0.6 degrees C at the end of the 21.3+/-2.8 minute walk. The continuous increase in core temperature during activity of both groups of MWDs indicates that limiting exercise duration is important for minimizing risk of overheating in MWDs. The observation of continued increase in Tgi to a peak after exercise ends suggests that for MWDs suspected of overheating temperature should be monitored for at least 15 minutes postexercise to ensure recovery. PMID- 29214624 TI - Effects of technique-focused training in conjunction with physical readiness training on Army physical fitness test performance. AB - The Army Physical Fitness Test (APFT) is a semiannual requirement. While conducting physical readiness training (PRT) is a requirement for all Soldiers, there is no requirement to train Soldiers on techniques that may help to optimize their performance on the APFT. A cohort of 34 officers that attended the Army Medical Department Basic Officer Leadership Course completed a technique-focused training program in conjunction with their required PRT program subsequent to failing one or more events on their initial APFT. The training consisted of a 30 minute video lesson and an individualized performance assessment completed by an Army physical therapist. Upon retest 10 days after the initial test, 27 (79.4%) participants passed the APFT with a mean improvement of 22.3 points on their overall APFT score. When evaluating change in performance by event based on failing the event initially, the observed improvement was an increase of over 9 push-ups, over 11 sit-ups, and nearly 2 minutes on the run event. The addition of a technique-focused training program to an existing PRT program can result in significant short-term improvement for those with substandard APFT performance. PMID- 29214625 TI - Evidence-based practice and single-case designs in psychotherapy. PMID- 29214626 TI - A descriptive analysis of data from the Department of Defense Joint Trauma System Prehospital Trauma Registry. AB - : The active battlefield is an environment of chaos and confusion. Depending on the scale of combat, the chaos and confusion often extend into the prehospital combat setting with multiple personnel and units involved in the chain of care of casualties. The chaos of the prehospital combat setting has led to limitations in the availability of data for performance improvement and research. The Department of Defense (DoD) Joint Trauma System (JTS) Prehospital Trauma Registry (PHTR) was developed in conjunction with the updated Tactical Combat Casualty Care (TCCC) card and a TCCC after action report (AAR), and currently serves as the prehospital repository and module of the DoD Trauma Registry (DoDTR). We conducted a descriptive analysis of data from the DoDTR PHTR. METHODS: The JTS collected trauma-associated data which comprise the PHTR are consolidated from TCCC cards and TCCC AARs. Where possible (requires 2 patient identifiers), JTS linked data from the PHTR module to other modules in the DoDTR to maximize availability of prehospital data and gain additional information regarding clinical outcomes. RESULTS: From January 2013 through September 2014, there were 705 patients available for research, of which 94.8% (668/705) had data from TCCC AARs, 3.3% (23/705) had data from TCCC cards, and 2.0% (14/705) had data available from DoDTR collection forms. There were one or more of the following data points per subject: pulse rate (77.4%, n=546), blood pressure (75.9%, n=535), respiratory rate (76.5%, n=539), pulse oximetry (61.8%, n=436), mental status (96.0%, n=677) and pain score (24.5%, n=173). Only 42.4% (647/1,527) of vital sign metrics had an associated time stamp. Documented interventions included limb tourniquets, of which only 27.3% (113/414) had an associated documentation of application time. Only 27.0% (190/705) of patients in the PHTR could be linked to the DoDTR due to missing identifiers. CONCLUSIONS: The PHTR data capture was suboptimal with many patients lacking documentation of vital signs and procedural details. Future efforts to improve prehospital data capture will require ownership and enforcement by unit leadership. PMID- 29214627 TI - A 12-month descriptive analysis of emergency intubations at Brooke Army Medical Center: a National Emergency Airway Registry study. AB - : Emergency airway management is a critical skill for military healthcare providers. Our goal was to describe the Emergency Department (ED) intubations at Brooke Army Medical Center (BAMC) over a 12-month period. MATERIAL AND METHODS: Physicians performing endotracheal intubations in the BAMC ED complete data collection forms for each intubation event as part of the National Emergency Airway Registry, including patient demographics, intubation techniques, success and failure rates, adverse events, and patient disposition. We cross-referenced these forms against the numbers of intubation events reported in the ED nursing daily reports to ensure capture of all intubations. Providers completed forms for every intubation within 6 weeks of the procedure. We analyzed data from March 28, 2016, to March 27, 2017. RESULTS: During the study period, providers performed 259 intubations in the BAMC ED. Reasons for intubation were related to trauma for 184 patients (71.0%) and medical conditions for 75 patients (29.0%). Overall, first-attempt success was 83.0%. Emergency medicine residents performed a majority of first attempts (95.0%). Most common devices chosen on first attempt were a video laryngoscope for 143 patients (55.2%) and a direct laryngoscope for 115 patients (44.4%). One patient underwent cricothyrotomy. The 2 most common induction agents were ketamine (59.8%; 95% CI, 55.2%-67.4%) and etomidate (19.3%; 95% CI, 14.7%-24.7%). The most common neuromuscular blocking agents were rocuronium (62.9%; 95% CI, 56.7%-68.8%) and succinylcholine (18.9%; 95% CI, 14.3% 24.2%). CONCLUSION: In the BAMC ED, emergency intubation most commonly occurred for trauma indications using video laryngoscopy with a high first-pass success. PMID- 29214628 TI - An evaluation of the significance of individual endogenous risk factors and medical and orthopaedic conditions on physical fitness in military executives. AB - As part of occupational health promotion in the Bundeswehr (military services of the Federal Republic of Germany), top-ranking executives were offered a medical examination and training program. The participants were subjected to retrospective evaluation. The aim of this study was to determine to what extent risk factors for the development of internal and orthopaedic conditions are present in military executives and how these factors affect physical fitness. To collect their medical history, a total of 122 male subjects answered a questionnaire aimed at evaluating private and occupational stress factors. This process was followed by an internal and orthopaedic examination. A lactate performance test (treadmill or bicycle ergometry) was conducted. The results showed that the presence of hypertension correlates with reduced fitness. While orthopaedic conditions had no negative influence on executives' fitness, high body mass index and waist circumference, mental stress, and older age did. It is recommended that executives undergo professionally guided endurance and weight training on a regular basis in order to prevent the development of internal and orthopaedic conditions. PMID- 29214629 TI - Targeting early PKCtheta-dependent T-cell infiltration of dystrophic muscle reduces disease severity in a mouse model of muscular dystrophy. AB - Chronic muscle inflammation is a critical feature of Duchenne muscular dystrophy and contributes to muscle fibre injury and disease progression. Although previous studies have implicated T cells in the development of muscle fibrosis, little is known about their role during the early stages of muscular dystrophy. Here, we show that T cells are among the first cells to infiltrate mdx mouse dystrophic muscle, prior to the onset of necrosis, suggesting an important role in early disease pathogenesis. Based on our comprehensive analysis of the kinetics of the immune response, we further identify the early pre-necrotic stage of muscular dystrophy as the relevant time frame for T-cell-based interventions. We focused on protein kinase C theta (PKCtheta, encoded by Prkcq), a critical regulator of effector T-cell activation, as a potential target to inhibit T-cell activity in dystrophic muscle. Lack of PKCtheta not only reduced the frequency and number of infiltrating T cells but also led to quantitative and qualitative changes in the innate immune cell infiltrate in mdx/Prkcq-/- muscle. These changes were due to the inhibition of T cells, since PKCtheta was necessary for T-cell but not for myeloid cell infiltration of acutely injured muscle. Targeting T cells with a PKCtheta inhibitor early in the disease process markedly diminished the size of the inflammatory cell infiltrate and resulted in reduced muscle damage. Moreover, diaphragm necrosis and fibrosis were also reduced following treatment. Overall, our findings identify the early T-cell infiltrate as a therapeutic target and highlight the potential of PKCtheta inhibition as a therapeutic approach to muscular dystrophy. Copyright (c) 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. PMID- 29214630 TI - A DEL phenotype attributed to RHD Exon 9 sequence deletion: slipped-strand mispairing and blood group polymorphisms. AB - BACKGROUND: The RhD blood group antigen is extremely polymorphic and the DEL phenotype represents one such class of polymorphisms. The DEL phenotype prevalent in East Asian populations arises from a synonymous substitution defined as RHD*1227A. However, initially, based on genomic and cDNA studies, the genetic basis for a DEL phenotype in Taiwan was attributed to a deletion of RHD Exon 9 that was never verified at the genomic level by any other independent group. Here we investigate the genetic basis for a Caucasian donor with a DEL partial D phenotype and compare the genomic findings to those initial molecular studies. STUDY DESIGN AND METHODS: The 3'-region of the RHD gene was amplified by long range polymerase chain reaction (PCR) for massively parallel sequencing. Primers were designed to encompass a deletion, flanking Exon 9, by standard PCR for Sanger sequencing. Targeted sequencing of exons and flanking introns was also performed. RESULTS: Genomic DNA exhibited a 1012-bp deletion spanning from Intron 8, across Exon 9 into Intron 9. The deletion breakpoints occurred between two 25 bp repeat motifs flanking Exon 9 such that one repeat sequence remained. CONCLUSION: Deletion mutations bordered by repeat sequences are a hallmark of slipped-strand mispairing (SSM) event. We propose this genetic mechanism generated the germline deletion in the Caucasian donor. Extensive studies show that the RHD*1227A is the most prevalent DEL allele in East Asian populations and may have confounded the initial molecular studies. Review of the literature revealed that the SSM model explains some of the extreme polymorphisms observed in the clinically significant RhD blood group antigen. PMID- 29214631 TI - System matrix computation vs storage on GPU: A comparative study in cone beam CT. AB - PURPOSE: Iterative reconstruction algorithms in computed tomography (CT) require a fast method for computing the intersection distances between the trajectories of photons and the object, also called ray tracing or system matrix computation. This work focused on the thin-ray model is aimed at comparing different system matrix handling strategies using graphical processing units (GPUs). METHODS: In this work, the system matrix is modeled by thin rays intersecting a regular grid of box-shaped voxels, known to be an accurate representation of the forward projection operator in CT. However, an uncompressed system matrix exceeds the random access memory (RAM) capacities of typical computers by one order of magnitude or more. Considering the RAM limitations of GPU hardware, several system matrix handling methods were compared: full storage of a compressed system matrix, on-the-fly computation of its coefficients, and partial storage of the system matrix with partial on-the-fly computation. These methods were tested on geometries mimicking a cone beam CT (CBCT) acquisition of a human head. Execution times of three routines of interest were compared: forward projection, backprojection, and ordered-subsets convex (OSC) iteration. RESULTS: A fully stored system matrix yielded the shortest backprojection and OSC iteration times, with a 1.52* acceleration for OSC when compared to the on-the-fly approach. Nevertheless, the maximum problem size was bound by the available GPU RAM and geometrical symmetries. On-the-fly coefficient computation did not require symmetries and was shown to be the fastest for forward projection. It also offered reasonable execution times of about 176.4 ms per view per OSC iteration for a detector of 512 * 448 pixels and a volume of 3843 voxels, using commodity GPU hardware. Partial system matrix storage has shown a performance similar to the on-the-fly approach, while still relying on symmetries. CONCLUSION: Partial system matrix storage was shown to yield the lowest relative performance. On-the fly ray tracing was shown to be the most flexible method, yielding reasonable execution times. A fully stored system matrix allowed for the lowest backprojection and OSC iteration times and may be of interest for certain performance-oriented applications. PMID- 29214632 TI - Thorough analysis of unorthodox ABO deletions called by the 1000 Genomes project. AB - BACKGROUND AND OBJECTIVES: ABO remains the clinically most important blood group system, but despite earlier extensive research, significant findings are still being made. The vast majority of catalogued ABO null alleles are based on the c.261delG polymorphism. Apart from c.802G>A, other mechanisms for O alleles are rare. While analysing the data set from the 1000 Genomes (1000G) project, we encountered two previously uncharacterized deletions, which needed further exploration. MATERIALS AND METHODS: The Erythrogene database, complemented with bioinformatics software, was used to analyse ABO in 2504 individuals from 1000G. DNA samples from selected 1000G donors and African blood donors were examined by allele-specific PCR and Sanger sequencing to characterize predicted deletions. RESULTS: A 5821-bp deletion encompassing exons 5-7 was called in twenty 1000G individuals, predominantly Africans. This allele was confirmed and its exact deletion point defined by bioinformatic analyses and in vitro experiments. A PCR assay was developed, and screening of African samples revealed three donors heterozygous for this deletion, which was thereby phenotypically established as an O allele. Analysis of upstream genetic markers indicated an ancestral origin from ABO*O.01.02. We estimate this deletion as the 3rd most common mechanism behind O alleles. A 24-bp deletion was called in nine individuals and showed greater diversity regarding ethnic distribution and allelic background. It could neither be confirmed by in silico nor in vitro experiments. CONCLUSION: A previously uncharacterized ABO deletion among Africans was comprehensively mapped and a genotyping strategy devised. The false prediction of another deletion emphasizes the need for cautious interpretation of NGS data and calls for strict validation routines. PMID- 29214633 TI - Placenta accreta spectrum disorder trends in the context of the universal two child policy in China and the risk of hysterectomy. AB - OBJECTIVE: To identify both the trends in placenta accreta spectrum (PAS) disorders in the context of the universal two-child policy in China and risk factors for hysterectomy. METHODS: The present retrospective analysis included confirmed PAS disorders during cesarean delivery at a tertiary hospital in Changsha, Hunan, China, from January 1, 2007, to December 31, 2016. Multivariable logistic regression was used to estimate the risk of hysterectomy. RESULTS: During the 10-year study period, the overall incidence of cesarean delivery was 51.6% (13 530/26 214) and that of PAS disorders was 1.2% (302/26 214). The PAS rate increased from 0.1% (5/4617) in 2007-2008 to 2.1% (133/6351) in 2015-2016, alongside a rise in elective repeat cesarean delivery from 5.0% (106/2124) to 38.4% (1385/3603). Previous cesarean delivery greatly increased the likelihood of PAS disorders (odds ratio [OR] 97.4; P<0.001). Invasive depth (OR 92.0; P<0.001), inter-cesarean interval less than 36 months (OR 7.0; P=0.002), rural residence (OR 5.3; P=0.018), and advanced maternal age (OR 3.0; P=0.045) were independent risk factors for hysterectomy among women with PAS disorders. CONCLUSION: The increasing incidence of elective repeat cesarean delivery combined with a high overall rate of cesarean delivery implies a high prevalence of PAS disorders within the context of the universal two-child policy in China. The main predictor of hysterectomy was invasive depth. PMID- 29214634 TI - A case of hypoglossal nerve stimulator-resistant obstructive sleep apnea cured with the addition of a chin strap. AB - A population of appropriately selected patients does not respond, or does not achieve cure, with hypoglossal nerve stimulation (HGNS). We describe the case of nonresponder whose obstructive sleep apnea (OSA) resolved with the addition of chin strap. After initial placement and titration of HGNS implant, follow-up sleep study demonstrated persistent moderate OSA. Drug-induced sleep endoscopy demonstrated supraglottic collapse with activate neurostimulation. With mouth closure and change of stimulation settings to unipolar from bipolar, the airway collapse and desaturations improved. The follow-up polysomnogram with (HGNS) therapy and chin strap demonstrated resolution of sleep apnea. Laryngoscope, 128:1727-1729, 2018. PMID- 29214635 TI - Kv4.2 channel activity controls intrinsic firing dynamics of arcuate kisspeptin neurons. AB - KEY POINTS: Neurons in the hypothalamus of the brain which secrete the peptide kisspeptin are important regulators of reproduction, and normal reproductive development. Electrical activity, in the form of action potentials, or spikes, leads to secretion of peptides and neurotransmitters, influencing the activity of downstream neurons; in kisspeptin neurons, this activity is highly irregular, but the mechanism of this is not known. In this study, we show that irregularity depends on the presence of a particular type of potassium ion channel in the membrane, which opens transiently in response to electrical excitation. The results contribute to understanding how kisspeptin neurons generate and time their membrane potential spikes, and how reliable this process is. Improved understanding of the activity of kisspeptin neurons, and how it shapes their secretion of peptides, is expected to lead to better treatment for reproductive dysfunction and disorders of reproductive development. ABSTRACT: Kisspeptin neurons in the hypothalamus are critically involved in reproductive function, via their effect on GnRH neuron activity and consequent gonadotropin release. Kisspeptin neurons show an intrinsic irregularity of firing, but the mechanism of this remains unclear. To address this, we carried out targeted whole-cell patch clamp recordings of kisspeptin neurons in the arcuate nucleus (Kiss1Arc ), in brain slices isolated from adult male Kiss-Cre:tdTomato mice. Cells fired irregularly in response to constant current stimuli, with a wide range of spike time variability, and prominent subthreshold voltage fluctuations. In voltage clamp, both a persistent sodium (NaP) current and a fast transient (A-type) potassium current were apparent, activating at potentials just below the threshold for spiking. These currents have also previously been described in irregular-spiking cortical interneurons, in which the A-type current, mediated by Kv4 channels, interacts with NaP current to generate complex dynamics of the membrane potential, and irregular firing. In Kiss1Arc neurons, A-type current was blocked by phrixotoxin, a specific blocker of Kv4.2/4.3 channels, and consistent expression of Kv4.2 transcripts was detected by single-cell RT-PCR. In addition, firing irregularity was correlated to the density of A-type current in the membrane. Using conductance injection, we demonstrated that adding Kv4-like potassium conductance (gKv4 ) to a cell produces a striking increase in firing irregularity, and excitability is reduced, while subtracting gKv4 has the opposite effects. Thus, we propose that Kv4 interacting dynamically with NaP is a key determinant of the irregular firing behaviour of Kiss1Arc neurons, shaping their physiological function in gonadotropin release. PMID- 29214636 TI - Evolution of microRNA827 targeting in the plant kingdom. AB - Unlike most ancient microRNAs, which conservatively target homologous genes across species, microRNA827 (miR827) targets two different types of SPX (SYG1/PHO81/XPR1)-domain-containing genes, NITROGEN LIMITATION ADAPTATION (NLA) and PHOSPHATE TRANSPORTER 5 (PHT5), in Arabidopsis thaliana and Oryza sativa to regulate phosphate (Pi) transport and storage, respectively. However, how miR827 shifted its target preference and its evolutionary history are unknown. Based on target prediction analysis, we found that in most angiosperms, miR827 conservatively targets PHT5 homologs, but in Brassicaceae and Cleomaceae it preferentially targets NLA homologs, and we provide evidence for the transition of target preference during Brassicales evolution. Intriguingly, we found a lineage-specific loss of the miR827-regulatory module in legumes. Analysis of miR827-mediated cleavage efficiency and the expression of PHT5 in A. thaliana indicated that accumulation of mutations in the target site and the exclusion of the target site by alternative transcriptional initiation eliminated PHT5 targeting by miR827. Here, we identified a transition of miR827 target preference during plant evolution and revealed the uniqueness of miR827-mediated regulation among conserved plant miRNAs. Despite the change in its target preference, upregulation of miR827 by Pi starvation and its role in regulating cellular Pi homeostasis were retained. PMID- 29214637 TI - Identification and treatment of gestational trophoblastic neoplasia located in the cesarean scar. AB - OBJECTIVE: To identify the clinical characteristics of, and the diagnostic and therapeutic strategies for, gestational trophoblastic neoplasia (GTN) located in the cesarean scar. METHODS: The present retrospective analysis was conducted among patients diagnosed with GTN located in the cesarean scar at Peking Union Medical College Hospital, Beijing, China, between June 1, 2006, and May 31, 2016. Clinical features, diagnostic and therapeutic procedures, and outcomes were reviewed. RESULTS: Of 938 women diagnosed with GTN, 31 (3.3%) patients had GTN located in the cesarean scar. Irregular vaginal bleeding was the main clinical manifestation. Twenty (65%) patients received an accurate diagnosis based on a history of molar pregnancy/a high beta-human chorionic gonadotropin level/typical imaging presentations. The remaining 11 patients were initially misdiagnosed; the definitive diagnosis was made by pathology. All patients received chemotherapy; 22 (71%) women also underwent hysterectomy or localized uterine lesion resection because of chemoresistant lesions. All patients had a complete remission; at a median follow-up of 35 months, only 1 (3%) woman had a relapse. CONCLUSION: Owing to its rarity and nonspecific symptoms, GTN located in the cesarean scar is prone to misdiagnosis. In patients without typical manifestations, the definitive diagnosis often relies on pathology. For treatment, uterine lesion resection is a useful adjunct to chemotherapy. PMID- 29214638 TI - Harnessing the Power of Real-World Evidence (RWE): A Checklist to Ensure Regulatory-Grade Data Quality. AB - The role of real-world evidence (RWE) in regulatory, drug development, and healthcare decision-making is rapidly expanding. Recent advances have increased the complexity of cancer care and widened the gap between randomized clinical trial (RCT) results and the evidence needed for real-world clinical decisions. Instead of remaining invisible, data from the >95% of cancer patients treated outside of clinical trials can help fill this void. PMID- 29214639 TI - Cannabinoids for epilepsy: What do we know and where do we go? AB - Over the past decade there has been an increasing interest in using cannabinoids to treat a range of epilepsy syndromes following reports of some remarkable responses in individual patients. The situation is complicated by the fact that these agents do not appear to work via their attachment to endogenous cannabinoid receptors. Their pharmacokinetics are complex, and bioavailability is variable, resulting in difficulty in developing a suitable formulation for oral delivery. Drug interactions also represent another complication in their everyday use. Nevertheless, recent randomized, placebo-controlled trials with cannabidiol support its efficacy in Dravet and Lennox-Gastaut syndromes. Further placebo controlled studies are underway in adults with focal epilepsy using cannabidivarin. The many unanswered questions in the use of cannabinoids to treat epileptic seizures are briefly summarized in the conclusion. PMID- 29214640 TI - Management of head and neck primary unknown squamous cell carcinoma using combined positron emission tomography-computed tomography and transoral laser microsurgery. AB - OBJECTIVES/HYPOTHESIS: The unknown primary of the neck is commonly encountered by the head and neck surgeon. Despite the exhaustive diagnostic tools employed in traditional detection protocols, many unknown primaries are not found, and the patient is subjected to wide-field radiation and chemotherapy during treatment. Localizing the primary tumor has demonstrated therapeutic benefits, improved quality of life, and overall survival. The authors' objective was to determine the efficacy of a new management protocol for unknown primaries of the head and neck. STUDY DESIGN: Prospective cohort study. METHODS: Our technique involved a preoperative positron emission tomography-computed tomography (PET-CT) followed by a planned transoral laser microsurgery (TLM) approach. Efficacy was assessed based on survival statistics, disease control, detection rates, the proportion of patients not receiving adjuvant therapy, and the proportion of PET-CT scans helpful for detection of the primary cancer. RESULTS: The occult primary was located in 25 of the 27 patients (93%), with the majority found in the palatine tonsil (52%). Both overall survival and disease-specific survival was 80% at 36 months. Local control was achieved in 100% of patients. After surgery, 37.0% (n = 10) received adjuvant radiation alone and 33.3% (n = 9) of patients went on to receive adjuvant chemoradiation. On imaging, 72% (n = 18) of PET-CT scans correctly localized the primary tumor. CONCLUSIONS: Occult head and neck primaries present a diagnostic challenge that is not adequately overcome using traditional detection protocols. The current study presents our unique protocol at Dalhousie University, which demonstrates the efficacy of the PET-CT TLM protocol from both a detection and therapeutic perspective. LEVEL OF EVIDENCE: 4. Laryngoscope, 128:2307-2311, 2018. PMID- 29214641 TI - An app to enhance resident education in otolaryngology. AB - OBJECTIVE: Technological change is leading to an evolution in medical education. The objective of our study was to assess the impact of a medical knowledge app, called PulseQD, on resident education within our otolaryngology-head and neck surgery department at Montefiore Medical Center, Albert Einstein College of Medicine (Bronx, NY). METHODS: A prospective cohort study was conducted within the Department of Otolaryngology-Head and Neck Surgery from July 2016 to June 2017. All faculty attendings and residents were asked to participate in the study and were included. A Web and mobile-based app, PulseQD, that allowed for collaborative learning was implemented. Questionnaires were given at the beginning and end of the academic year. Otolaryngology Training Exam (OTE) scores were collected RESULTS: A total of 20 residents and 13 faculty members participated in the study. Residents used online sources of medical information significantly more often than faculty (90% and 54%, respectively, P = 0.0179). Residents and faculty felt that PulseQD offered a valuable perspective on clinically relevant medical information (P = 0.0003), was a great way to test clinical and medical knowledge (P = 0.0001), and improved the sharing and discussing of medical knowledge (P < 0.0001). There was a statistically significant 5.8% improvement in OTE scores (P = 0.0008) at the end of the academic year. CONCLUSION: The implementation of a novel mobile app, PulseQD, was well received by residents and faculty in the Department of Otolaryngology-Head and Neck Surgery. Preliminary data suggest that app-based learning may lead to improved performance on knowledge-based assessments. LEVEL OF EVIDENCE: NA. Laryngoscope, 128:1340-1345, 2018. PMID- 29214642 TI - Allergic contact dermatitis caused by topical herbal remedies: importance of patch testing with the patients' own products. AB - BACKGROUND: Natural ingredients have variable compositions, so their allergenic potencies may differ. OBJECTIVES: To retrospectively analyse subjects reacting to herbal remedies over the past 27 years, with the aim of (i) evaluating demographic characteristics and lesion locations, (ii) describing the frequencies of positive patch test reactions, (iii) identifing sensitization sources, and (iv) studying concomitant sensitivity. PATIENTS AND METHODS: In total, 15980 patients were patch tested between 1990 and 2016 with the European baseline series and/or other series, product(s) used, and, whenever possible, the respective ingredients. RESULTS: Altogether, 8942 (56%) of 15 980 patients presented with at least one positive reaction. Reactions to topical herbal medicines, most often applied to treat an eczematous condition, leg ulcers, or other wounds, were seen in 125 (0.8%), that is, 1.4% of the contact-allergic subjects. Hands, legs and feet were the most frequently affected body sites. Twenty-one botanical allergens were identified, the commonest being Myroxylon pereirae (balsam of Peru), Compositae plants, and tincture of benzoin. Many patients presented with multiple positive test reactions, and some did not react to the commercial allergens but only to the products used. CONCLUSIONS: Topical herbal remedies should not be applied on damaged skin, as multiple sensitization may develop. Moreover, patch testing with the culprit products is important for the diagnosis. PMID- 29214643 TI - Trends in serum human chorionic gonadotropin levels 0-4 days after methotrexate administration for predicting tubal ectopic pregnancy treatment success. AB - OBJECTIVE: To evaluate serum human chorionic gonadotropin (HCG) levels 0-4 days after single-dose methotrexate administration for tubal ectopic pregnancy. METHODS: The present retrospective study included women with tubal ectopic pregnancy treated by methotrexate at a tertiary hospital in Hong Kong, China, between January 1, 2007, and December 31, 2016. Patients were stratified serum HCG levels rose or fell from day 0-4 post-administration. Trends in day 0-4 serum HCG to predict treatment success were compared with that of day 4-7 serum HCG. The optimal drop in HCG was identified by receiver operating characteristic curve analysis. RESULTS: There were 102 patients included. The positive predictive value (PPV) of day 0-4 serum HCG for treatment success was 91% (95% confidence interval [CI] 82-96), which is comparable to the current criterion of a 15% drop in day 4-7 serum HCG (PPV 91%, 95% CI 84-95). A 6% drop in day 0-4 serum HCG was the best predictor of treatment success (PPV 96%, 95% CI 86-99). CONCLUSION: A drop in day 0-4 serum HCG provided earlier prognostic information and was not inferior to the current criterion. PMID- 29214644 TI - Acute oxygen sensing by the carotid body: a rattlebag of molecular mechanisms. AB - The molecular underpinnings of the oxygen sensitivity of the carotid body Type I cells are becoming better defined as research begins to identify potential interactions between previously separate theories. Nevertheless, the field of oxygen chemoreception still presents the general observer with a bewildering array of potential signalling pathways by which a fall in oxygen levels might initiate Type I cell activation. The purpose of this brief review is to address five of the current oxygen sensing hypotheses: the lactate-Olfr 78 hypothesis of oxygen chemotransduction; the role mitochondrial ATP and metabolism may have in chemotransduction; the AMP-activated protein kinase hypothesis and its current role in oxygen sensing by the carotid body; reactive oxygen species as key transducers in the oxygen sensing cascade; and the mechanisms by which H2 S, reactive oxygen species and haem oxygenase may integrate to provide a rapid oxygen sensing transduction system. Over the previous 15 years several lines of research into acute hypoxic chemotransduction mechanisms have focused on the integration of mitochondrial and membrane signalling. This review places an emphasis on the subplasmalemmal-mitochondrial microenvironment in Type I cells and how theories of acute oxygen sensing are increasingly dependent on functional interaction within this microenvironment. PMID- 29214645 TI - Recovery characteristics of patients receiving either sugammadex or neostigmine and glycopyrrolate for reversal of neuromuscular block: a randomised controlled trial. AB - Sugammadex more rapidly and reliably reverses rocuronium-induced neuromuscular block compared with neostigmine, but it is not known if subsequent patient outcomes, including nausea, vomiting and other aspects of recovery are modified. In this study, we compared the recovery characteristics of sugammadex and neostigmine/glycopyrrolate following reversal of neuromuscular block. This was a single-centre, randomised, blinded, parallel-group clinical trial in women undergoing elective day-surgical laparoscopic gynaecological surgery, with a standardised general anaesthesia regimen that included rocuronium. Neuromuscular block was reversed with either sugammadex 2 mg.kg-1 or neostigmine 40 MUg.kg-1 and glycopyrrolate 400 MUg. The primary outcome was the incidence of nausea and vomiting during the first six postoperative hours. Secondary outcomes included other measures of postoperative recovery such as patient symptoms and recovery scores. Three-hundred and four women were analysed by intention-to-treat (sugammadex n = 151, neostigmine n = 153), which included four major protocol violations. There was no significant difference between sugammadex and neostigmine groups in the incidence of early nausea and vomiting (49.0% vs. 51.0%, respectively; OR 0.92, 95%CI 0.59-1.45; p = 0.731). Double vision (11.5% vs. 20.0%; p = 0.044) and dry mouth (71.6% vs. 85.5%; p = 0.003) were less common after sugammadex. Sedation scores at 2 h were also lower after sugammadex (median (IQR [range]) 0 (0-3 [0-10]) vs. 2 (0-4.[0-10]); p = 0.021). Twenty-four-hour recovery scores were not significantly different between groups. Reversal with sugammadex in this patient population did not reduce postoperative nausea or vomiting compared with neostigmine/glycopyrrolate. PMID- 29214646 TI - Endoscopic sentinel lymph node biopsy using indocyanine green-neomannosyl human serum albumin. AB - OBJECTIVE: The aim of this study was to determine the possibility of endoscopic sentinel lymph node biopsy of the head and neck region using indocyanine green neomannosyl human serum albumin (ICG:MSA) and a custom-made intraoperative color and-fluorescence-merged imaging system (ICFIS). METHODS: Using mouse and rabbit models of tongue cancer, we performed sentinel lymph node biopsy using an ICG:MSA tracer and custom imaging system equipped with an endoscope. RESULTS: ICG:MSA was localized to the cervical lymph node on the ipsilateral side for up to 30 minutes compared to ICG tracer (ICG n = 3, IGC:MSA n = 3). Detection of sentinel lymph nodes was attempted after injecting ICG:MSA in the mouse tongue cancer model (n = 3). During the operation, lymph nodes were easily identified and resected using ICFIS without the aid of other magnifiers. In the rabbit tongue cancer model (n = 3), the ICFIS equipped with 30-degree endoscopy was used to confirm the feasibility of endoscopic sentinel lymph node biopsy. The entire sentinel lymph node biopsy procedure was performed using the ICFIS with the 30-degree endoscope. We detected and dissected sentinel lymph nodes in the rabbit model without the other sentinel lymph node detection tools. CONCLUSION: We confirmed the usefulness of sentinel lymph node biopsy using a near infrared fluorescence technique and endoscopic system. Avoidance of radiation exposure and shine through phenomena, which are problems of sentinel lymph node biopsy using conventional radioisotopes, are advantages of our surgical technique. By combining the endoscopic system with a sentinel lymph node biopsy procedure, we avoided visible neck scars, which lead to excellent cosmetic outcomes. LEVEL OF EVIDENCE: NA. Laryngoscope, 128:E135-E140, 2018. PMID- 29214647 TI - Antagonistic pleiotropy and mutation accumulation contribute to age-related decline in stress response. AB - As organisms age, the effectiveness of natural selection weakens, leading to age related decline in fitness-related traits. The evolution of age-related changes associated with senescence is likely influenced by mutation accumulation (MA) and antagonistic pleiotropy (AP). MA predicts that age-related decline in fitness components is driven by age-specific sets of alleles, nonnegative genetic correlations within trait across age, and an increase in the coefficient of genetic variance. AP predicts that age-related decline in a trait is driven by alleles with positive effects on fitness in young individuals and negative effects in old individuals, and is expected to lead to negative genetic correlations within traits across age. We build on these predictions using an association mapping approach to investigate the change in additive effects of SNPs across age and among traits for multiple stress-response fitness-related traits, including cold stress with and without acclimation and starvation resistance. We found support for both MA and AP theories of aging in the age related decline in stress tolerance. Our study demonstrates that the evolution of age-related decline in stress tolerance is driven by a combination of alleles that have age-specific additive effects, consistent with MA, as well as nonindependent and antagonistic genetic architectures characteristic of AP. PMID- 29214648 TI - Nonlinear disposition of lithium in rats and saturation of its tubular reabsorption by the sodium-phosphate cotransporter as a cause. AB - We previously reported the contribution of sodium-phosphate cotransporter to the tubular reabsorption of lithium in rats. In the present study, the dose dependency of the renal handling of lithium was examined in rats. When lithium chloride at 1.25 mg/kg, 2.5 mg/kg and 25 mg/kg was intravenously injected as a bolus, the areas under the plasma concentration-time curve of lithium until 60 minutes were calculated to be 6.23 mEq.min/l, 8.77 mEq.min/l and 64.6 mEq.min/l, respectively. The renal clearance of lithium and its fractional excretion increased with increments in the dose administered. The renal clearance of lithium strongly correlated with the urinary excretion rate of phosphate in the 1.25 mg/kg group (r = 0.840) and 2.5 mg/kg group (r = 0.773), whereas this correlation was weak in the 25 mg/kg group (r = 0.306). The infusion of foscarnet, a typical inhibitor of sodium-phosphate cotransporter, decreased the fractional reabsorption of lithium in rats administered lithium chloride at 2.5 mg/kg, but did not affect it in rats administered 25 mg/kg. These results demonstrate the nonlinearity of the renal excretion of lithium in rats, with the saturation of lithium reabsorption by the sodium-phosphate cotransporter potentially being involved. PMID- 29214649 TI - Climate-driven build-up of temporal isolation within a recently formed avian hybrid zone. AB - Divergence in the onset of reproduction can act as an important source of reproductive isolation (i.e., allochronic isolation) between co-occurring young species, but evidence for the evolutionary processes leading to such divergence is often indirect. While advancing spring seasons strongly affect the onset of reproduction in many taxa, it remains largely unexplored whether contemporary spring advancement directly affects allochronic isolation between young species. We examined how increasing spring temperatures affected onset of reproduction and thereby hybridization between pied and collared flycatchers (Ficedula spp.) across habitat types in a young secondary contact zone. We found that both species have advanced their timing of breeding in 14 years. However, selection on pied flycatchers to breed earlier was weaker, resulting in a slower response to advancing springs compared to collared flycatchers and thereby build-up of allochronic isolation between the species. We argue that a preadaptation to a broader niche use (diet) of pied flycatchers explains the slower response to raising spring temperature, but that reduced risk to hybridize may contribute to further divergence in the onset of breeding in the future. Our results show that minor differences in the response to environmental change of co-occurring closely related species can quickly cause allochronic isolation. PMID- 29214650 TI - Perampanel, an AMPA receptor antagonist: From clinical research to practice in clinical settings. AB - Epileptic seizures are refractory to treatment in approximately one-third of patients despite the recent introduction of many newer antiepileptic drugs (AEDs). Development of novel AEDs therefore remains a high priority. Perampanel is a first-in-class non-competitive selective AMPA receptor antagonist with a unique mechanism of action. Clinical efficacy and safety of perampanel as adjunctive treatment for focal seizures with/without secondary generalization (+/ SG) and primary generalized tonic-clonic (PGTC) seizures have been established in five phase 3 randomized controlled trials (RCTs), and a long-term extension study, and perampanel is approved as monotherapy for focal seizures +/-SG in the USA. In patients with focal seizures +/-SG, add-on perampanel resulted in median percent reduction in seizure frequency 23.3%-34.5% and >=50% responder rate 28.5% 37.6%; in PGTC seizures, these results were 76.5% and 64.2%, respectively. Efficacy among adolescents (reduction in seizure frequency 34.8%-35.6%; >=50% responder rate 40.9%-45.0%) and elderly people (reduction in seizure frequency 12.5%-16.9%; >=50% responder rate 22.2%-42.9%) is similar to those in adults, and results remain comparable between Asian (reduction in seizure frequency 17.3% 38.0%) and global populations. Perampanel has been extensively studied in real world clinical practice, with similar efficacy and safety results to the RCTs (>=50% responder rate 12.8%-75.0%; adverse events of somnolence/sedation, dizziness, ataxia, and behavioral changes). Real-world observational studies suggest that perampanel tolerability can be improved by slow titration (2 mg every 2-4 weeks), and bedtime administration can mitigate somnolence and dizziness. Counseling about the potential for behavioral changes and close monitoring are recommended. PMID- 29214651 TI - Electroencephalography and behavior patterns during experimental status epilepticus. AB - OBJECTIVE: To characterize the evolution of behavioral and electrographic seizures in an experimental electrical stimulation-based model of status epilepticus (SE) in C57Bl/6 mice, and to relate SE to various outcomes, including death and epileptogenesis. METHODS: SE was induced by continuous hippocampal stimulation and was evaluated by review of electroencephalographic recordings, spectral display, and behavior. RESULTS: Seizures were initially locked to the electrical trains but later became independent of them. Following the end of stimulation, autonomous seizures continued for >5 minutes in 85% of the animals. There was ongoing 2-3-Hz rhythmic, high-amplitude, slow spike-wave discharges (HASDs) associated with purposeless, repetitive, continuously circling and exploratory behavior. There were high-amplitude fast discharges (HAFDs) associated with worsening of behavioral seizures that were interspersed with the ongoing HASDs. Death during SE occurred in 23% of the animals, and it was preceded by a stage 5 behavioral seizure. In the waning stage of SE, severe seizures and HAFDs dissipated, HASDs slowed down, and normal behavior was restored in most animals. Epilepsy developed in 33% of the animals monitored after SE. SIGNIFICANCE: The electrical stimulation model of SE can be used to study mechanisms of SE and its adverse consequences, including death and epileptogenesis. PMID- 29214653 TI - Administrative billing codes accurately identified occurrence of electrical cardioversion and ablation/maze procedures in a prospective cohort study of atrial fibrillation patients. AB - BACKGROUND: Administrative billing codes for electrical cardioversion and ablation/maze procedures may be useful for atrial fibrillation (AF) research if the codes are accurate relative to medical record documentation. HYPOTHESIS: Administrative billing codes accurately identify occurrence of electrical cardioversion and ablation/maze procedures in AF patients. METHODS: We studied adults ages 30 to 84 who experienced new-onset AF between October 2001 and December 2004 in Group Health Cooperative (acquired by Kaiser Permanente in 2017), an integrated healthcare system in Washington state and northern Idaho. Using medical record review as the gold standard, we calculated sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) for 3 administrative billing codes for electrical cardioversion and 3 codes for AF ablation/maze procedures. RESULTS: Of 1953 study participants, during a mean (SD) of 1.5 (0.7) years of follow-up after AF onset, 470 (24%) experienced electrical cardioversion and 44 (2%) experienced ablation/maze procedures, according to medical record review. For electrical cardioversion, individual codes had 7.7% to 76.4% sensitivity, >99% specificity, 83.7% to 96.5% PPV, and 77.3% to 93.0% NPV. Considering any of 3 codes (code 1 or code 2 or code 3) improved sensitivity to 84.9%. For ablation/maze, individual codes had 18.2% to 47.7% sensitivity, >99% specificity, 66.7% to 95.5% PPV, and >98% NPV. Considering any of 3 codes improved sensitivity to 84.1%. CONCLUSIONS: Administrative billing data accurately identified electrical cardioversion and ablation/maze procedures and can be used instead of medical record review. Our findings apply to healthcare settings with available administrative billing databases. PMID- 29214652 TI - Pharmacology in translation: the preclinical and early clinical profile of the novel alpha2/3 functionally selective GABAA receptor positive allosteric modulator PF-06372865. AB - BACKGROUND AND PURPOSE: Benzodiazepines, non-selective positive allosteric modulators (PAMs) of GABAA receptors, have significant side effects that limit their clinical utility. As many of these side effects are mediated by the alpha1 subunit, there has been a concerted effort to develop alpha2/3 subtype-selective PAMs. EXPERIMENTAL APPROACH: In vitro screening assays were used to identify molecules with functional selectivity for receptors containing alpha2/3 subunits over those containing alpha1 subunits. In vivo receptor occupancy (RO) was conducted, prior to confirmation of in vivo alpha2/3 and alpha1 pharmacology through quantitative EEG (qEEG) beta frequency and zolpidem drug discrimination in rats respectively. PF-06372865 was then progressed to Phase 1 clinical trials. KEY RESULTS: PF-06372865 exhibited functional selectivity for those receptors containing alpha2/3/5 subunits, with significant positive allosteric modulation (90-140%) but negligible activity (<=20%) at GABAA receptors containing alpha1 subunits. PF-06372865 exhibited concentration-dependent occupancy of GABAA receptors in preclinical species. There was an occupancy-dependent increase in qEEG beta frequency and no generalization to a GABAA alpha1 cue in the drug discrimination assay, clearly demonstrating the lack of modulation at the GABAA receptors containing an alpha1 subtype. In a Phase 1 single ascending dose study in healthy volunteers, evaluation of the pharmacodynamics of PF-06372865 demonstrated a robust increase in saccadic peak velocity (a marker of alpha2/3 pharmacology), increases in beta frequency qEEG and a slight saturating increase in body sway. CONCLUSIONS AND IMPLICATIONS: PF-06372865 has a unique clinical pharmacology profile and a highly predictive translational data package from preclinical species to the clinical setting. PMID- 29214654 TI - Role of the innate immune system in the neuropathological consequences induced by adolescent binge drinking. AB - Adolescence is a critical stage of brain maturation in which important plastic and dynamic processes take place in different brain regions, leading to development of the adult brain. Ethanol drinking in adolescence disrupts brain plasticity and causes structural and functional changes in immature brain areas (prefrontal cortex, limbic system) that result in cognitive and behavioral deficits. These changes, along with secretion of sexual and stress-related hormones in adolescence, may impact self-control, decision making, and risk taking behaviors that contribute to anxiety and initiation of alcohol consumption. New data support the participation of the neuroimmune system in the effects of ethanol on the developing and adult brain. This article reviews the potential pathological bases that underlie the effects of alcohol on the adolescent brain, such as the contribution of genetic background, the perturbation of epigenetic programming, and the influence of the neuroimmune response. Special emphasis is given to the actions of ethanol in the innate immune receptor toll-like receptor 4 (TLR4), since recent studies have demonstrated that by activating the inflammatory TLR4/NFkappaB signaling response in glial cells, binge drinking of ethanol triggers the release of cytokines/chemokines and free radicals, which exacerbate the immune response that causes neuroinflammation/neural damage as well as short- and long-term neurophysiological, cognitive, and behavioral dysfunction. Finally, potential treatments that target the neuroimmune response to treat the neuropathological and behavioral consequences of adolescent alcohol abuse are discussed. PMID- 29214655 TI - An anatomic description of intrinsic brachial muscles in the crab-eating fox (Cerdocyon thous, Linnaeus 1776) and report of a variant arterial distribution. AB - The crab-eating fox (Cerdocyon thous) is a wild canid distributed throughout South America. It is one of the wild canids reported being hit by vehicles and injured in snares, thus inducing trauma or injury to the musculoskeletal system, possibly occurring in the brachial region. The main objective of this research was to provide an anatomic description of the crab-eating fox's intrinsic brachial muscles including shape, origin, insertion, innervation and arterial blood supply, compared with that of the domestic dog. We dissected from superficial to deep two thoracic limbs of seven dead specimens donated to the University of Caldas by CORPOCALDAS. These muscles presented anatomic characteristics similar to those reported in the domestic dog (Canis lupus familiaris) but with a variant in arterial blood supply, allowing us to suggest that surgical procedures that need the knowledge of intrinsic brachial muscles in the crab-eating fox may be homologous to the domestic dog. However, one should consider its variant arterial distribution by part of the collateral radial artery and deep brachial artery to prevent incorrect incisions that may damage these arteries. PMID- 29214657 TI - Varicella pseudo-Koebner phenomenon associated with vascular access opening. PMID- 29214656 TI - Screening active components of modified Xiaoyao powder as NRF2 agonists. AB - Nuclear factor (erythroid-derived 2)-like 2 (NRF2) regulates antioxidant enzymes and phase II detoxifying enzymes, such as NAD(P)H: quinone oxidoreductase 1 (NQO1). Modified Xiaoyao powder (MXP) is most frequently used in the prevention and treatment of breast cancer in China. This study aimed to screen active components of MXP for antioxidant stress and chemoprevention, which depend on NRF2-NQO1 signalling pathway. A total of 25 monomeric compounds contained in MXP were screened using an antioxidant response element-luciferase reporter. The most potent antioxidant response element-luciferase inducers were chosen to further examine their effects on NRF2 and NQO1 in MCF-7 cells. These results were then confirmed by determining the oxidative stress levels and chemopreventive effect on inhibiting carcinogenesis transformation in NRF2 knockdown (NRF2KD ) and NRF2 wild-type MCF-10A cells. We found that quercetin, kaempferol, and atractylenolide II in MXP were potent NRF2 inducers, which could up-regulate the expression of NRF2 and its downstream enzymes NQO1. In addition, these components could decrease reduced oxidative stress and inhibit carcinogenesis transformation, which depended on NRF2-NQO1 pathway. In conclusion, NRF2-NQO1 pathway plays an essential role in mediating the activity of MXP and its active components, at least in part; some beneficial effects of MXP may be applicable to breast cancer chemoprevention. Our study firstly found MXP active components including quercetin, kaempferol, and atractylenolide II. Our results firstly demonstrate that NRF2-NQO1 pathway plays an essential role in mediating the activity of MXP and its active components in breast cancer chemoprevention. Our study firstly found that atractylenolide II is a novel NRF2 inducer. PMID- 29214658 TI - Identifying environmental barriers to participation: Usability of a health literacy informed problem-identification approach for parents of young children with developmental disabilities. AB - BACKGROUND: Parents of very young children recently diagnosed with developmental disabilities (DD) need to identify environmental barriers to their children's participation and adopt an adaptive orientation to solving these problems. Given the health service disparities for diverse families, parents may benefit from easy to use problem-identification approaches that address environmental barriers stemming from community and policy contexts. This feasibility study evaluated the usability of a health literacy-informed, structured, environment-focused problem identification approach for parents of young children with DD. METHODS: We used purposeful, convenience sampling to enrol 9 mothers of children ages 1-3 with DD (4 racial/ethnic minorities, 3 high school education, 4 annual household income <$20,000). We developed a structured problem-identification approach guided by a social ecological model featuring home, community, and policy contexts. The approach was applied to 3 short stories during a narrative elicitation interview. Two researchers independently coded parent responses for the type of barrier and solution identified with and without the approach. RESULTS: Parents identified 121 environmental barriers without the approach. When using the approach and prompted to consider home, community, and policy barriers, parents identified an additional 222 environmental barriers; the greatest number of barriers were aligned with International Classification of Functioning, Disability, and Health Children and Youth environment Chapter 5 "Services, systems, and policies." Using the approach, parents with a postgraduate education and annual household income >$80,000 identified the most environmental barriers, and parents reporting the lowest annual household incomes identified the fewest environmental barriers. When parents attributed participation challenges to an environmental barrier, ~57% of solutions required parents to interact with individuals at the community or policy level. CONCLUSIONS: This study suggests that parents with a range of background characteristics can use a structured, environment-focused problem identification approach. With the approach, parents are more likely to attribute participation challenges to environmental barriers and adopt a problem-solving orientation focused on changes to the community and policy context. PMID- 29214659 TI - 2D speckle tracking echocardiography of the right ventricle free wall in SCUBA divers after single open sea dive. AB - The presence of circulating gas bubbles and their influence on pulmonary and right heart hemodynamics was reported after uncomplicated self-contained underwater breathing apparatus (SCUBA) dive(s). Improvements in cardiac imaging have recently focused great attention on the right ventricle (RV). The aim of our study was to evaluate possible effects of a single air SCUBA dive on RV function using 2D speckle tracking echocardiography in healthy divers after single open sea dive to 18 meters of seawater, followed by bottom stay of 47 minutes with a direct ascent to the surface. Twelve experienced male divers (age 39.5 +/- 10.5 years) participated in the study. Echocardiographic assessment of the right ventricular function (free wall 2 D strain, tricuspid annular planes systolic excursion [TAPSE], lateral tricuspid annular peak systolic velocity [RV s'] and fractional area change [FAC]) was performed directly prior to and 30, 60, 90 and 120 minutes after surfacing. Two-dimensional strain of all three segments of free right ventricular wall showed a significant increase in longitudinal shortening in post-dive period for maximally 26% (basal), 15.4% (mid) and 16.3% (apical) as well as TAPSE (11.6%), RV FAC (19.2%), RV S' (12.7%) suggesting a rise in systolic function of right heart. Mean pulmonary arterial pressure (mean PAP) increased post-dive from 13.3 mmHg to maximally 23.5 mmHg (P = .002), indicating increased RV afterload. Our results demonstrated that single dive with significant bubble load lead to increase in systolic function and longitudinal strain of the right heart in parallel with increase in mean PAP. PMID- 29214660 TI - Thulium laser-assisted endoscopic third ventriculostomy: Determining safe laser settings using in vitro model and 2 year follow-up results in 106 patients. AB - BACKGROUND AND OBJECTIVE: Endoscopic third ventriculostomy is used to treat hydrocephalus. Different laser wavelengths have been proposed for laser-assisted endoscopic third ventriculostomies over the last decades. The aim of this study was to evaluate Thulium laser endoscopic third ventriculostomy heat penetration in the surrounding environment of the floor of the third ventricle in an in vitro setting with visualization of thermal distribution. Subsequently 106 Thulium laser endoscopic third ventriculostomy procedures were retrospectively analyzed to demonstrate safety. METHODS: The in vitro visualization was based on the color Schlieren method. The heat penetration was measured beneath a tissue phantom of the floor of the third ventricle with a fiber of 365 MUm in diameter at different energy settings; 1.0W (956 J/cm2 ), 2.0W (1,912 J/cm2 ), 4.0W (3,824 J/cm2 ), and 7.0W (6,692 J/cm2 ), with a pulse duration of 1.0 second. All experiments were repeated five times. In addition, 106 Thulium laser endoscopic third ventriculostomy procedures between 2005 and 2015 were retrospectively analysed for etiology, sex, complications, and laser parameters. RESULTS: In the energy settings from 1.0 to 4.0 W, heat penetration depth beneath the phantom of the third ventricle did not exceed 1.5 mm. The heat penetration depth at 7 W, exceeded 6 mm. The clinical overall success rate was 80% at the 2-year follow-up study. Complications occurred in 5% of the procedures. In none of the 106 investigated clinical patients bleeding or damage to the basilar artery was encountered due to Thulium laser ablation. CONCLUSIONS: The in vitro experiments show that under 4.0W the situation is considered safe, due to low penetration of heat, thus the chance of accidentally damaging critical structures like the basilar artery is very small. The clinical results show that the Thulium laser did not cause any bleeding of the basilar artery, and is a safe technique for laser endoscopic third ventriculostomy. Lasers Surg. Med. (c) 2017 Wiley Periodicals, Inc. PMID- 29214661 TI - Reverse mapping method for complex polymer systems. AB - We present a comprehensive approach for reverse mapping of complex polymer systems in which the connectivity is created by the simulation of chemical reactions at the coarse-grained scale. Within the work, we use a recently developed generic adaptive reverse mapping procedure that we adapt to handle the varying connectivity structure resulting from the chemical reactions. The method is independent of the coarse-grained and fine-grained force-fields by design and relies only on a single control parameter. We employ the approach to reverse map four different systems: a three-component epoxy network, a trimethylol melamine network, a hyperbranched polymer, and a polyethylene terephthalate. In the case of the epoxy network, we use two fine-scale representations: fully atomistic and united-atom. Whereas the trimethylol melamine network the hyperbranched polymer and the polyethylene terephthalate are reverse mapped to the fully atomistic description. After the reverse mapping, we examine the fine-grained structure by comparing the radial distribution functions with respect to the control parameter. Moreover, in the case of the epoxy we perform tensile-test experiments and examine the resulting Young's modulus. In all cases, we show how the properties of the reverse mapped systems depend on the control parameters. In general, we see that the results are relatively insensitive to the control parameter and the resulting atomistic systems are stable. Only for the trimethylol melamine network, we notice chemically incorrect conformations when the reverse mapping is performed too fast. We provide a remedy for this issue. (c) 2017 Wiley Periodicals, Inc. PMID- 29214662 TI - Airborne particulate concentration during laser hair removal: A comparison between cold sapphire with aqueous gel and cryogen skin cooling. AB - BACKGROUND: High concentrations of sub-micron nanoparticles have been shown to be released during laser hair removal (LHR) procedures. These emissions pose a potential biohazard to healthcare workers that have prolonged exposure to LHR plume. OBJECTIVE: We sought to demonstrate that cold sapphire skin cooling done in contact mode might suppress plume dispersion during LHR. METHODS: A total of 11 patients were recruited for laser hair removal. They were treated on the legs and axilla with a 755 or 1064 nm millisecond-domain laser equipped with either (i) cryogen spray (CSC); (ii) refrigerated air (RA); or (iii) contact cooling with sapphire (CC). Concentration of ultrafine nanoparticles <1 MUm were measured just before and during LHR with the three respective cooling methods. RESULTS: For contact cooling (CC), counts remained at baseline levels, below 3,500 parts per cubic centimeter (ppc) for all treatments. In contrast, the CSC system produced large levels of plume, peaking at times to over 400,000 ppc. The CA cooled system produced intermediate levels of plume, about 35,000 ppc (or about 10* baseline). CONCLUSIONS: Cold Sapphire Skin cooling with gel suppresses plume during laser hair removal, potentially eliminating the need for smoke evacuators, custom ventilation systems, and respirators during LHR. Lasers Surg. Med. 50:280 283, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29214663 TI - Impact of Preoperative Ultrasonographic Evaluation for Detection of a Viable Testis in Patients With a Unilateral Nonpalpable Testis. AB - OBJECTIVES: To investigate the impact of preoperative ultrasonography (US) for detecting a viable testis in patients with a unilateral nonpalpable testis. METHODS: Patients with a unilateral nonpalpable testis or unilateral palpable undescended testis who underwent preoperative US were enrolled. Patients were divided into 3 groups as follows: nonpalpable testis/no testis (n = 27), which included patients who had a unilateral nonpalpable testis with no viable testis detected at surgery; nonpalpable testis/viable testis (n = 10), which included patients who had a unilateral nonpalpable testis with a viable testis identified at surgery; and palpable undescended testis (n = 63), which included patients who had a unilateral palpable undescended testis. Preoperative US findings were compared among each group. RESULTS: The testicular volume on the contralateral descended side in the nonpalpable testis/no testis group was significantly greater than that in the nonpalpable testis/viable testis and palpable undescended testis groups. When a testicular volume of 0.54 mL was used as the cutoff value, the sensitivity, specificity, positive predictive value, and negative predictive value for the presence of the affected testis were 75.3%, 100%, 100%, and 60.0%, respectively. The testis on the affected side was detected in none of the nonpalpable testis/no testis group, 7 of the nonpalpable testis/viable testis group, and all of the palpable undescended testis group. When a visible testis on the affected side and a testicular volume of 0.54 mL or less were defined as positive, all patients in the nonpalpable testis/viable testis and palpable undescended testis groups had positive findings versus none in the nonpalpable testis/no testis group. CONCLUSIONS: Preoperative US provides valuable information for predicting the presence of a viable testis in patients with a unilateral nonpalpable testis by estimating both the unaffected testis and the affected side. PMID- 29214664 TI - Lipoid proteinosis: towards predictive clinical clues. PMID- 29214665 TI - Cephalic muscle development in the Australian lungfish, Neoceratodus forsteri. AB - Lungfishes are the extant sister group of tetrapods. As such, they are important for the study of evolutionary processes involved in the water to land transition of vertebrates. The evolution of a true neck, that is, the complete separation of the pectoral girdle from the cranium, is one of the most intriguing morphological transitions known among vertebrates. Other salient changes involve new adaptations for terrestrial feeding, which involves both the cranium and its associated musculature. Historically, the cranium has been extensively investigated, but the development of the cranial muscles much less so. Here, we present a detailed study of cephalic muscle development in the Australian lungfish, Neoceratodus forsteri, which is considered to be the sister taxon to all other extant lungfishes. Neoceratodus shows several developmental patterns previously described in other taxa; the tendency of muscles to develop from anterior to posterior, from their region of origin toward insertion, and from lateral to ventral/medial (outside-in), at least in the branchial arches. The m.protractor pectoralis appears to develop as an extension of the most posterior m.levatores arcuum branchialium, supporting the hypothesis that the m.cucullaris and its derivatives (protractor pectoralis, levatores arcuum branchialium) are branchial muscles. We present a new hypothesis regarding the homology of the ventral branchial arch muscles (subarcualis recti and obliqui, transversi ventrales) in lungfishes and amphibians. Moreover, the morphology and development of the cephalic muscles confirms that extant lungfishes are neotenic and have been strongly influenced via paedomorphosis during their evolutionary history. PMID- 29214666 TI - Low-level ultrahigh-frequency and ultrashort-pulse blue laser irradiation enhances osteoblast extracellular calcification by upregulating proliferation and differentiation via transient receptor potential vanilloid 1. AB - BACKGROUND AND OBJECTIVE: Low-level laser irradiation (LLLI) exerts various biostimulative effects, including promotion of wound healing and bone formation; however, few studies have examined biostimulation using blue lasers. The purpose of this study was to investigate the effects of low-level ultrahigh-frequency (UHF) and ultrashort-pulse (USP) blue laser irradiation on osteoblasts. STUDY DESIGN/ MATERIALS AND METHODS: The MC3T3-E1 osteoblast cell line was used in this study. Following LLLI with a 405 nm newly developed UHF-USP blue laser (80 MHz, 100 fs), osteoblast proliferation, and alkaline phosphatase (ALP) activity were assessed. In addition, mRNA levels of the osteoblast differentiation markers, runt-related transcription factor 2 (Runx2), osterix (Osx), alkaline phosphatase (Alp), and osteopontin (Opn) was evaluated, and extracellular calcification was quantified. To clarify the involvement of transient receptor potential (TRP) channels in LLLI-induced biostimulation, cells were treated prior to LLLI with capsazepine (CPZ), a selective inhibitor of TRP vanilloid 1 (TRPV1), and subsequent proliferation and ALP activity were measured. RESULTS: LLLI with the 405 nm UHF-USP blue laser significantly enhanced cell proliferation and ALP activity, compared with the non-irradiated control and LLLI using continuous-wave mode, without significant temperature elevation. LLLI promoted osteoblast proliferation in a dose-dependent manner up to 9.4 J/cm2 and significantly accelerated cell proliferation in in vitro wound healing assay. ALP activity was significantly enhanced at doses up to 5.6 J/cm2 , and expression of Osx and Alp mRNAs was significantly increased compared to that of the control on days 3 and 7 following LLLI at 5.6 J/cm2 . The extent of extracellular calcification was also significantly higher as a result of LLLI 3 weeks after the treatment. Measurement of TRPV1 protein expression on 0, 3, and 7 days post-irradiation revealed no differences between the LLLI and control groups; however, promotion of cell proliferation and ALP activity by LLLI was significantly inhibited by CPZ. CONCLUSION: LLLI with a 405 nm UHF-USP blue laser enhances extracellular calcification of osteoblasts by upregulating proliferation and differentiation via TRPV1. Lasers Surg. Med. 50:340-352, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29214667 TI - Effect of ribonucleotide reductase M1 expression on overall survival in patients with pancreatic cancer receiving gemcitabine chemotherapy: A literature-based meta-analysis. AB - WHAT IS KNOWN AND OBJECTIVE: The prognostic value of ribonucleotide reductase M1 (RRM1) in patients with pancreatic cancer receiving gemcitabine chemotherapy has been evaluated in several studies. However, the conclusions remain controversial. METHODS: By searching the PubMed and Embase databases, we conducted a meta analysis to evaluate the prognostic significance of RRM1 expression in patients with pancreatic cancer receiving gemcitabine chemotherapy. Studies were pooled, and the hazard ratio (HR) and its corresponding 95% confidence interval (CI) were calculated. RESULTS: Nine relevant articles were included for this meta-analysis study. Our results revealed that the high-RRM1 expression patients had significantly poorer overall survival (HR = 1.70, 95% CI = 1.33-2.16, Pheterogeneity = .061, I2 = 44.8%) and disease-free survival (HR = 1.84, 95% CI = 1.56-2.18, Pheterogeneity = .669, I2 = 0%) than the low-RRM1 expression patients. Furthermore, a statistically significant association between RRM1 expression and OS was found among both Japanese (HR = 1.80, 95% CI = 1.36-2.37, Pheterogeneity = .843, I2 = 0%) and American patients (HR = 1.76, 95% CI = 1.60 1.94, Pheterogeneity = .439, I2 = 0%). WHAT IS NEW AND CONCLUSION: In conclusion, the expression of RRM1 can be considered a predictor of poor survival in patients with pancreatic cancer receiving gemcitabine chemotherapy. RRM1 expression assessment could provide more detailed information for patients with pancreatic cancer and could be used to optimize therapeutic schemes. PMID- 29214668 TI - Photofrin(r) photodynamic therapy with intratumor photosensitizer injection provides similar tumor response while reducing systemic skin photosensitivity: Pilot murine study. AB - OBJECTIVES: The goal of this study was to compare tumor response to Photofrin(r) photodynamic therapy using intravenous and intratumoral injection of photosensitizer. Systemic skin photosensitivity and photosensitizer distribution were also compared between the two delivery methods. METHODS: SCCVII tumors were initiated in the hind legs of female C3H mice and grown to a volume of ~1,000 mm3 . Photofrin(r) was delivered intravenously via the tail vein at a concentration of 2 mg/kg or intratumorally at concentrations ranging from 0.5-2 mg/kg. A 630 nm laser illumination was delivered via interstitial diffuser placement at a fluence rate of 400 mW/cm and fluence of 100 J/cm. Mice were maintained under normal room lighting for 24 hours after treatment, at which point photographs were captured for assessment of skin photosensitivity. Animals were then sacrificed, and their tumors were excised, sectioned, imaged, and stained with hematoxylin and eosin (H&E). H&E slides were imaged to assess necrosis post-PDT, and skin photographs were evaluated by two blinded reviewers for quantification of skin photosensitivity. Whole-body fluorescence imaging was performed before and after photodynamic therapy. RESULTS: Tumor necrosis was not significantly different based on treatment group (P = 0.33), while skin photosensitivity was significantly reduced in animals that received Photofrin(r) intratumorally (P = 0.0005). Fluorescence imaging revealed similar photosensitizer fluorescence in excised tumors for intratumor and intravenous injection of Photofrin(r) (P = 0.48), although fluorescence decreased significantly with decreasing intratumor injection concentration (P= 0.01). CONCLUSIONS: This pilot study shows that intratumoral administration of Photofrin(r) has the potential to produce similar tumor outcomes, while reducing systemic skin photosensitivity. Further studies are warranted to characterize and optimize intratumor delivery. Lasers Surg. 50:476-482, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29214669 TI - Tooth loss and its relationship with protein intake by elderly Brazilians-A structural equation modelling approach. AB - OBJECTIVE: This study aimed at assessing the relationship between self-perceived tooth loss and wearing dentures, on the one hand, and the consumption of protein, on the other hand, among the elderly population of Botucatu, SP. Food consumption tends to decrease with ageing, especially protein intake, and one of the causes could be the precariousness of oral health. Several risk factors associated with deficient dietary protein intake have been identified, namely greater physical dependence, reduced caloric intake and food insecurity, but no studies have analysed whether tooth loss and prostheses interfere with protein intake. METHODS: An interview was conducted among 365 elderly individuals, in which we examined oral health-related quality of life (OHRQoL) as the only latent variable, in a 24-hour nutritional assessment dietary recall repeated 3 times, conducted in person by a trained nutritionist and also performed an analysis of nutritional needs using the Nutrition Data System Research (NDSR) Program. RESULTS: The structural equation model, performed using Stata v.14, showed that lack of teeth (standardised coefficient [SC] = 0.21, P < .001), and prosthesis use (SC = -0.21, P < .001) was associated with OHRQoL. Lack of teeth had a direct effect on the consumption of animal protein (SC = 0.08, P = .02), a strong total effect on animal protein intake (SC = 0.51, P = .04) and a medium effect on total protein intake (SC = 0.20, P = .03), adjusted for confounders (depression and medical problems). CONCLUSION: Tooth loss had a strong and significant total effect on animal protein intake and a medium effect on total protein intake among elderly Brazilians. PMID- 29214670 TI - Recanalization of native superficial femoral artery chronic total occlusion after failed femoropopliteal bypass in patients with critical limb ischemia. AB - OBJECTIVES: This study aimed to examine the outcomes of endovascular recanalization for native superficial femoral artery (SFA) chronic total occlusion (CTO) in patients with critical limb ischemia (CLI) after femoropopliteal bypass failure with limited surgical revascularization options. BACKGROUND: Endovascular recanalization of native artery occlusions has been recently used as a new alternative for threatened limbs after bypass graft occlusion. The feasibility and efficacy has not been widely reported. METHODS: We retrospectively analyzed 45 consecutive patients (45 limbs) undergoing endovascular recanalization of native SFA occlusion following failed femoropopliteal bypass between June 2010 and December 2016. RESULTS: All limbs had Transatlantic Inter-Society Consensus class C (26.7%, 12/45) or D (73.3%, 33/45) lesions with a mean lesion length of 29.8 cm. The technical success rate was 95.6% (43/45 limbs). The ABI showed a significant increase from 0.3 +/- 0.1 pre-procedure to 0.7 +/- 0.1 post-procedure (P < 0.01). Two early (<30 days) below-knee amputations due to acute thrombotic ischemia occurred during perioperative period and resulted in one death due to myocardial infarction. The mean follow-up was 42.7 months (1-62 months). Two patients were lost to follow up. The primary patency rates at 12 and 36 months were 54% and 51%, respectively. Secondary patency rates at 12 and 36 months were 78% and 61%, respectively. Limb salvage rate was 95% and amputation-free survival rate was 88% at both 12 and 36 months. CONCLUSION: Recanalization of native SFA CTO due to failed femoropopliteal bypass offers a feasible and safe alternative to surgical reconstruction with acceptable limb salvage. PMID- 29214671 TI - Multilayer Cucurbit[6]uril-Based Magnetic Nanoparticles Prepared by Host-Guest Interaction: Remarkable Adsorbent for Low Density Lipoprotein Removal from Plasma. AB - Efficient removal of low density lipoprotein (LDL) is a key challenge due to its high level in plasma as a primary risk factor in the pathogenesis of atherosclerotic cardiovascular disease. In this work, a facile synthesis strategy based on host-guest interactions was developed to prepare multilayer cucurbit[6]uril-based magnetic nanoparticles, MNPs-(HA-DAH5 /HA-CB[6]5 ). The compound was employed as a blood purification material for the removal of LDL from plasma because it had good blood compatibility and could be easily separated with an external magnet. The efficient removal of LDL was attributed to the electrostatic interactions between the positive charged apoB-100 domain of LDL and the negative charged adsorbent. Moreover, the prepared material exhibited high recyclability and could release LDL in physiological saline for recyclable use. MNPs-(HA-DAH5 /HA-CB[6]5 ) offered promising perspectives and broad applications in extracorporeal treatment for the removal of LDL. PMID- 29214672 TI - Region-specific deletions of the glutamate transporter GLT1 differentially affect seizure activity and neurodegeneration in mice. AB - Glial glutamate transporter GLT1 plays a key role in the maintenance of extracellular glutamate homeostasis. Recent human genetic studies have suggested that de novo mutations in GLT1 (EAAT2) cause early-onset epilepsy with multiple seizure types. Consistent with these findings, global GLT1 null mice show lethal spontaneous seizures. The consequences of GLT1 dysfunction vary between different brain regions, suggesting that the role of GLT1 dysfunction in epilepsy may also vary with brain regions. In this study, we generated region-specific GLT1 knockout mice by crossing floxed-GLT1 mice with mice that express the Cre recombinase in a particular domain of the ventricular zone. Selective deletion of GLT1 in the diencephalon, brainstem and spinal cord is sufficient to reproduce the phenotypes (excess mortality, decreased body weight, and lethal spontaneous seizure) of the global GLT1 null mice. By contrast, dorsal forebrain-specific GLT1 knockout mice showed nonlethal complex seizures including myoclonic jerks, hyperkinetic running, spasm and clonic convulsion via the activation of NMDA receptors during a limited period from P12 to P14 and selective neuronal death in cortical layer II/III and the hippocampus. Thus, GLT1 dysfunction in the dorsal forebrain is involved in the pathogenesis of infantile epilepsy and GLT1 in the diencephalon, brainstem and spinal cord may play a critical role in preventing seizure-induced sudden death. PMID- 29214673 TI - Assessing truncal obesity in predicting cardiometabolic risk in children: clinical measures versus dual-energy X-ray absorptiometry. AB - AIM: The objectives of this study were to 1) compare the accuracy of waist:hip ratio (WHR) and waist:height ratio (WHtR) by determining their association with reference-standard measures derived from dual-energy X-ray absorptiometry (DXA) and 2) assess the relationship of DXA, WHR and WHtR to measures of dyslipidemia, insulin resistance and inflammation in children. METHODS: Subjects aged four to 21 were prospectively recruited. Truncal obesity by DXA was defined as the trunk fat:height ratio and trunk fat:nontrunk fat ratio. Three hundred and eight subjects were studied, and 246 (80%) were obese. RESULTS: There was a strong correlation between WHtR and trunk fat:height (r = 0.84, p < 0.01). DXA measures of truncal obesity had stronger correlations with measures of cardiometabolic risk than WHR and WHtR. Upon multivariable regression, only WHtR had independent associations with cholesterol/HDL, HOMA-IR and high-sensitivity c-reactive protein. CONCLUSION: WHtR is an accurate measure of truncal obesity. WHtR showed stronger associations with measures of insulin resistance and truncal obesity than WHR. PMID- 29214675 TI - Phenotyping the detrusor underactivity: Is it more important than categorizing the symptomatic presentation of detrusor underactivity? AB - AIMS: Recently, [Brown et al Neurourol Urodyn. 36:1151-1154, 2017] reported a remarkable study regarding detrusor underactivity (DU) by categorizing the possible phenotypes. Although this study presents novel findings on the possible phenotypes, several points need to be clarified further for a better understanding. METHODS: The methodology, especially regarding categorizing the phenotypes has been reviewed and comments have been added for better understanding of their study. RESULTS: To better understand novel results of their study, several points have to be considered, which include cluster analysis and categorization according to symptomatic presentations. CONCLUSIONS: Phenotyping by either etiologies or covariates and by syndromic presentations is not easy. Due to the aging features, multiple factors are needed during interpretation of the categorized phenotypes. Considering the advantage of the clinical benefit from the patient's viewpoint, categorization of syndromic symptomatic presentation using multiple validated tools including patient reported outcomes is needed. PMID- 29214674 TI - Neutrophil Extracellular Traps in Plasma from Dogs with Immune-mediated Hemolytic Anemia. AB - BACKGROUND: Neutrophil extracellular traps (NETs) are part of the innate immune response and are essential in local pathogen control, but are associated with pathological inflammation, organ damage, autoimmunity, and thrombosis. Immune mediated hemolytic anemia (IMHA) is a pro-inflammatory, prothrombotic disease associated with high mortality. HYPOTHESIS/OBJECTIVES: Neutrophil extracellular traps (NETs) are a feature of the inflammatory process in dogs with IMHA. The objective of the study was to evaluate plasma from dogs with IMHA for the presence of 2 indirect markers and 1 direct marker of NETs. ANIMALS: Healthy client-owned dogs (56) and hospitalized dogs with IMHA (n = 35). METHODS: Prospective study. Plasma samples for all dogs were evaluated for cell-free DNA using a fluorescence assay, histone-DNA (hisDNA) complex using an ELISA, and citrullinated histone H3 (specific for NETosis) using Western blot. Reference intervals were generated using plasma from healthy dogs. RESULTS: In dogs with IMHA, cell-free DNA concentration was above the reference interval in 17% of samples with a median (range) of 1.0 MUg/mL (0.1-17.3), and hisDNA concentration was above the reference interval in 94% of samples with a median (range) of 30.7 * pooled normal plasma (PNP; 0.6-372.1). Western blot for citrullinated histone H3 identified detectable bands in 84% samples from dogs with IMHA. CONCLUSIONS AND CLINICAL IMPORTANCE: The assay for cell-free DNA detected evidence of NETs in fewer dogs than did the other approaches. Excessive NETs appears to be a feature of IMHA in dogs and contributions to the prothrombotic state deserve further study. PMID- 29214676 TI - Platelet function monitoring for stent thrombosis in critically III patients with an acute Coronary syndrome. AB - BACKGROUND: Patients after cardiac arrest or in cardiogenic shock due to acute coronary syndrome (ACS) are at high risk for stent thrombosis (ST) and recurrent cardiovascular events after primary percutaneous coronary intervention (PCI). High post-interventional platelet reactivity (HPR) might be an additional risk factor for ST in these critically ill patients. METHODS: Between 2006 and 2016, 401 critically ill patients from a cardiologic intensive care unit underwent platelet function testing after primary PCI using whole blood impedance aggregometry. After exclusion of patients with an abnormal platelet count, 357 patients have been included into the final analysis of this retrospective observational study. RESULTS: The incidence of definite early ST was 19.2% in patients with HPR to P2Y12 antagonists and 1.2% in patients without HPR. Likewise, the incidence of early ST in patients with HPR to acetylsalicylic acid (ASA) was 21.4% versus 1.8% in patients without HPR. In contrast, the incidence of late ST or recurrent myocardial infarction in untreated lesions was not associated with HPR to ASA or P2Y12 antagonists. CONCLUSIONS: Platelet function testing in critically ill ACS patients identified patients at high risk for early ST and might be beneficial for risk stratification. PMID- 29214677 TI - Highly Electrophilic, Catalytically Active and Redox-Responsive Cobaltoceniumyl and Ferrocenyl Triazolylidene Coinage Metal Complexes. AB - A convenient access to a triad of triazoles with ferrocenyl and cobaltoceniumyl substituents is reported. N-Alkylation, deprotonation and metalation with CuI /AgI /AuI synthons affords the heteroleptic triazolylidene complexes. Due to the combination of neutral, electron-donating ferrocenyl substituents and cationic, strongly electron-withdrawing cobaltocenium substituents, the mesoionic carbene (MIC) ligands of these complexes are electronically interesting "push-pull", "pull-push" and "pull-pull" metalloligands with further switchable redox states based on their fully reversible FeII /FeIII , (ferrocene/ferrocenium) and CoIII /CoII , (cobaltocenium/cobaltocene) redox couples. These are the first examples of metal complexes of (di)cationic NHC ligands based on cobaltoceniumyl substituents. DFT calculated Tolman electronic parameter (TEP) of the new MIC ligands, show these metalloligands to be extremely electron-poor NHCs with properties unmatched in other carbene chemistry. Utilization of these multimetallic electronically tunable compounds in catalytic oxazoline synthesis and in antitumor studies are presented. Remarkably, 1 mol % of the AuI complex with the dicationic MIC ligand displays full catalytic conversion, without the need for any other additives, in less than 2 hours at ambient temperatures. These results thus firmly establish these new classes of cobaltoceniumyl based (di)cationic MIC ligands as prominent players in several branches of chemistry. PMID- 29214678 TI - Pedicled iliac crest bone flap transfer for the treatment of upper femoral shaft fracture nonunion: An anatomic study and clinical applications. AB - PURPOSE: We present the results of a study on the anatomy of the ascending branch of the lateral circumflex femoral artery (AB-LCFA) and the use of the pedicled iliac bone flap transfer perfused by AB-LCFA combined with external fixation for the treatment of the nonunion of upper femoral shaft fractures. METHODS: The orientation, diameter, length, and distribution of the AB-LCFA from 40 lower limbs of adult cadavers were dissected and measured. From 2000 to 2012, 13 patients with nonunion of upper femoral shaft fractures underwent pedicled iliac bone flap transfer perfused by the AB-LCFA combined with external fixation. The time of bone fracture union was recorded based on X-ray examination. The functional results of the femoral shaft were evaluated by the Klemm classification. RESULTS: The lateral circumflex femoral artery (LCFA) divided into ascending, transverse, and descending branches in 32 specimens (80%). The diameter of the AB-LCFA at the origin was 3.15 +/- 0.9 mm and the length of the AB-LCFA was 8.51 +/- 3.06 cm. The postoperative course of the procedure was uneventful in all 13 patients. The average follow-up was 15 months. Bone union was achieved in all patients and the average union time was 5.3 months. 12 patients achieved excellent or good functional results based on the Klemm classification. CONCLUSION: The AB-LCFA has a consistent orientation and abundant blood flow. The transfer of the iliac crest bone flap perfused by the AB-LCFA while combined with external fixation could be an option for treating the nonunion of upper femoral shaft fractures. PMID- 29214679 TI - The relationship between negative metacognitive thoughts, pain catastrophizing and adjustment to chronic pain. AB - BACKGROUND: Cognitive appraisals, most notably pain catastrophizing, play an important role in chronic pain. The role of metacognition and its impact on the relationship between pain catastrophizing and health are understudied. The identification of metacognition as a moderator of psychological constructs may have clinical and empirical implications. We hypothesized that negative metacognitive beliefs would moderate the relationships between pain catastrophizing and emotional functioning and physical activity. METHOD: Participants (N = 211) with mixed aetiology chronic pain were primarily Caucasian females with severe average pain intensity. Over the course of 2 weeks, participants completed online daily-diary measures of pain catastrophizing, pain intensity, mood, physical activity and metacognition. RESULTS: Participants with higher average levels of daily pain intensity and negative metacognitive beliefs about worry reported higher levels of daily pain catastrophizing, as well as daily depression, and anxiety. Some aspects of metacognitive beliefs (i.e. dangerousness and uncontrollability of thoughts) were also negatively associated with average daily levels of positive affect. However, these effects were not interactive; metacognitive beliefs did not moderate the relationships of pain catastrophizing with other daily variables. CONCLUSIONS: From a daily coping perspective, findings reveal that people with stronger negative metacognitive beliefs report greater emotional distress on a day-to-day basis. However, negative metacognitive beliefs did not appear to modify the effects of pain catastrophizing on psychological and physical functioning at the daily level, suggesting that metacognitive beliefs may be better conceptualized as a more parallel indicator of emotional maladjustment to chronic pain whose effects do not reliably manifest in daily measurement models. SIGNIFICANCE: Findings highlight the need to better characterize the value of metacognitive beliefs as an important predictor and therapeutic target. Despite limited evidence of a dynamic relationship between metacognition and daily adjustment to chronic pain, results emphasize the potential importance of interventions that target cognitive appraisal process beyond catastrophizing, including uncontrollability and danger laden thought patterns. PMID- 29214680 TI - Flexible Bonding of the Phosph(V)azane Dianions [S(E)P(MU-NtBu)]22. AB - Oxidation of the PIII dianion [S-P(MU-NtBu)]22- (1) with elemental sulphur, selenium and tellurium gives the PV dianions [(S)(E)P(MU-NtBu)]22- (E = S (6 a), Se (6 b), Te (6 c)). Although 6 c proves to be too unstable, the S,S-dianion 6 a and ambidentate S,Se-dianion 6 b are readily transferred intact to main group and transition metal elements, producing a range of new cage and coordination compounds. While their coordination characteristics are in many ways similar to closely-related isoelectronic phosph(V)azane anions [(E)(RN=)P(MU-NtBu)]22- , the sterically unhindered nature of 6 introduces an expanded range of coordination modes, that is, facial S,S- and Se,Se-bonding as well as side-on S,Se coordination. All of these bonding modes are observed for the amibidentate S,Se dianion 6 b. PMID- 29214681 TI - Thyroid hormones alter estrous cyclicity and antioxidative status in the ovaries of rats. AB - To expand our understanding of the roles of thyroid hormones on female reproduction, we induced hypo- and hyper-T rat models to investigate the roles of thyroid hormones on estrous cyclicity, as well as the antioxidative status in the ovaries of rats. In the current study, our data show that hypothyroidism (hypo-T) and hyperthyroidism (hyper-T) led to significantly reduced body weights and ovarain weights and delayed vaginal opening day. For hyper-T, thyroxine (T4), tri iodothyronine (T3), progesterone (P4) and follicle-stimulating hormone (FSH) were significantly increased, while estradiol (E2) and luteinizing hormone (LH) were significantly decreased. For hypo-T rats, serum levels of total T4 and T3, E2, P4, FSH and LH were significantly increased, while concentrations of E2 and LH were significantly decreased. For ovary morphology, the numbers of secondary and antral follicles were significantly decreased with more atretic antral follicles and less corpora lutea in both hyper- and hypo-T groups. Both hyper-T and hypo-T treatment significantly decreased the expressions of thyroid hormone receptor alpha1 in the ovary. Hypo-T significantly reduced nitric oxide (NO), total NO synthase (tNOS), inducible NOS and constitutive NOS activities, but hyper-T increased them. For antioxidative parameters, hypo-T and hyper-T treatment significantly increased malondialdehyde (MDA) contents. The activities of both glutathione peroxidase (GSH-Px) and catalase (CAT) significantly decreased in the hypo-T group but increased in the hyper-T group. Total superoxide dismutase (T SOD) activity was significantly increased in the hyper-T group. In summary, thyroid hormones alter estrous cyclicity and antioxidative status in the ovary of the rat may act through the NOS signaling pathway. PMID- 29214682 TI - Attentional asymmetry between visual hemifields is related to habitual direction of reading and its implications for debate on cause and effects of dyslexia. AB - A major controversy regarding dyslexia is whether any of the many visual and phonological deficits found to be correlated with reading difficulty cause the impairment or result from the reduced amount of reading done by dyslexics. We studied this question by comparing a visual capacity in the left and right visual hemifields in people habitually reading scripts written right-to-left or left-to right. Selective visual attention is necessary for efficient visual search and also for the sequential recognition of letters in words. Because such attentional allocation during reading depends on the direction in which one is reading, asymmetries in search efficiency may reflect biases arising from the habitual direction of reading. We studied this by examining search performance in three cohorts: (a) left-to-right readers who read English fluently; (b) right-to-left readers fluent in reading Farsi but not any left-to-right script; and (c) bilingual readers fluent in English and in Farsi, Arabic, or Hebrew. Left-to right readers showed better search performance in the right hemifield and right to-left readers in the left hemifield, but bilingual readers showed no such asymmetries. Thus, reading experience biases search performance in the direction of reading, which has implications for the cause and effect relationships between reading and cognitive functions. PMID- 29214683 TI - Queer reproduction revisited and why race, class and citizenship still matters: A response to Cristina Richie. AB - In the dialogue between Timothy F. Murphy and Cristina Richie about queer bioethics and queer reproduction in this journal, significant points of the emergent and extremely important discussions on lesbian, gay, bisexual, transgender (LGBT) and queer bioethics are raised. Richie specifies correctly that queer bioethics can either complement or contradict LGBT bioethics and the queer standpoint against heteroconformity and heterofuturity is decisive here. As the field of queer bioethics is such a recent and essential part of consideration for bioethics and as it is still evolving, the objective of this intervention is to provide both an overview of important milestones of queer bioethics and to highlight that queer bioethics is not mono-logic and monolithic. To exemplify queer bioethic's 'many-headed monsters', queer reproduction is revisited and complemented by a European viewpoint. It is central to my argument and here I disagree with Richie that to be against heterofuturity does not necessarily mean to be against queer reproduction. However, I also argue that there are other reasons why queer reproduction should not be pursued at all costs. Finally, I discuss the most recent debates on race, class and citizenship, for example, queer necropolitics. These points still need to be addressed in queer bioethical agendas. PMID- 29214684 TI - Pharmacotherapies for apnoea of prematurity: time to pause and consider targeted sex-specific strategies? PMID- 29214685 TI - Exploring relationships between first-line nurse manager's safety attitudes and safety factors in Henan, China. AB - AIM: To examine first-line nurse managers' perceptions of safety culture and explore relationships between their safety attitudes and safety factors in Henan Province, China. BACKGROUND: Health providers' perceptions of patient safety culture have been studied widely, but little is known about first-line nurse managers' safety attitudes. METHODS: A cross-sectional survey was conducted with a convenience sample of 823 first-line nurse managers in 216 hospitals across Henan Province, China. The Safety Attitudes Questionnaire (Chinese version) was distributed to first-line nurse managers during training meetings; responses were returned in a sealed envelope in person or by mail. ANOVAs were used to analyse the differences in Safety Attitudes Questionnaire (Chinese version) scores between first-line nurse managers' attitudes and safety factors. RESULTS: The mean scores across the six domains of Safety Attitudes Questionnaire (Chinese version) ranged from 56.6 to 79.4 on a 100-point scale. First-line nurse managers: >=45 years of age perceived better safety climate (p < .05); those with higher professional ranks and medical centre positions reported higher mean scores for teamwork climate (p < .01) and stress recognition (p < .01); and those with baccalaureate degrees or higher had significantly higher mean scores for stress recognition (p < .01). CONCLUSION: First-line nurse managers' safety attitudes were not satisfactory and there is great potential to improve patient safety culture. Age, hospital level, educational background and professional rank are positively related to first-line nurse managers' attitudes. IMPLICATIONS FOR NURSING MANAGEMENT: Hospital administrators and nurse directors should focus on the safety factors identified in this study and enact a variety of strategies to create a strong patient safety culture in China. PMID- 29214686 TI - Myricetin attenuated LPS induced cardiac injury in vivo and in vitro. AB - Sepsis induced myocardial dysfunction (SIMD) is a common complication and leads to an increased mortality. SIMD is closely related to inflammation and oxidative stress. Myricetin exhibits strong capacities of anti-inflammation and anti oxidative stress, but its pharmacological effects for lipopolysaccharide (LPS) induced cardiac injury remains undefined. This study aimed to explore whether myricetin was efficient to alleviate SIMD in mice and neonatal rat cardiomyocytes injury. Mice administrated with myricetin (100 mg/kg, po, bid) or vehicle groups were challenged with LPS (10 mg/kg, ip), and cardiac functions examined by echocardiography after 12 hr LPS exposure. LPS markedly impaired mouse cardiac functions, which were significantly attenuated by myricetin administration. Myricetin significantly reduced the production of inflammatory cytokines both in serum and cardiac tissue. Myricetin could inhibit the nuclear translocation of p65, degradation of IkappaBalpha, and cellular apoptosis in vivo and in vitro. Myricetin also prevented overexpression of iNOS and reduction of oxidoreductase (SOD and GPx) activity. Besides, Myricetin treatment could attenuate production of inflammatory cytokines of peritoneal macrophages stimulated with LPS in vitro. Thus we concluded that myricetin could attenuate the LPS induced cardiac inflammation injury in vivo and in vitro. Myricetin may be a potential therapy or adjuvant therapy for SIMD. PMID- 29214687 TI - Urban-rural differences in health literacy and its determinants in Iran: A community-based study. AB - OBJECTIVE: Previous studies have shown a remarkable difference in functional health literacy among residents of urban and rural areas which may be attributed to socioeconomic inequalities between these areas. The aim of this study was to investigate the differences (if any) in the level of functional health literacy and its determinants between urban and rural areas in Sanandaj, Iran. DESIGN: A descriptive analytical cross-sectional study. PARTICIPANTS: A multistage clustered random sample of 1000 respondents older than 18 years. In total, 892 respondents (response rate = 89.2%) completed test of functional health literacy in adults questionnaire through personal home-based interviews. Applying SPSS v. 16, a series of anova, t-test and logistic regression tests were conducted. MAIN OUTCOME MEASURES: Inadequate/marginal functional health literacy. RESULTS: Respondents residing in rural areas having a diploma education and lower, with no history of hospitalisation, with monthly income =50 MUM while a seven-day exposure resulted in a progressive loss of cell viability at a nanomolar range. Within 24 hours, BPA promoted mitochondrial dysfunction leading to energy depletion and increased mitochondrial and cytoplasmic oxidative stress and apoptosis in a concentration dependent manner. An antioxidant response was observed manifested by nuclear Nrf2 translocation and increased expression of the Nrf2 target genes Heme oxygenase 1 (HO-1) and NAD(P)H dehydrogenase [quinone] 1 (NQO-1). CONCLUSIONS: This study demonstrates for the first time that BPA causes mitochondrial injury, oxidative stress and apoptotic death in tubular cells. These results characterize BPA as an exogenous toxin that, similar to uremic toxins, may contribute to CKD progression. PMID- 29214718 TI - Coronary artery disease, revascularization, and clinical outcomes in transcatheter aortic valve replacement: Real-world results from the East Denmark Heart Registry. AB - Transcatheter aortic valve replacement (TAVR) has become an established therapeutic option for patients with symptomatic, severe aortic stenosis. The optimal treatment strategy for concomitant coronary artery disease (CAD) has not been tested prospectively in a randomized clinical trial. This study aimed to describe the degree of CAD, revascularization strategies, and long-term clinical outcomes in a large-scale all-comers TAVR-population. Nine hundred and forty-four consecutive patients underwent TAVR. Obstructive CAD was reported in 224 patients (23.7%)-of these, 150 (66.9%) presented with one-vessel disease (1-VD), 51 (22.8%) with 2-VD, and 23 (10.3%) with 3-VD. Two-thirds underwent coronary revascularization before TAVR; half of those patients with 1-VD and only one third of those with multivessel disease were completely revascularized. In general, borderline stenoses (50%-70%) were more frequently revascularized in proximal coronary segments than in more distal segments. Long-term survival rates by Kaplan-Meier analysis of the total TAVR population at 5 and 9 years were 64.7% and 54.1%, respectively. A diagnostic coronary angiography was performed in 16.5% of patients within 5 years after TAVR; only 4.8% underwent consequent percutaneous coronary intervention (PCI). There was no difference in survival and need for revascularization post-TAVR between those patients with or without obstructive CAD +/- revascularization. Neither was there a survival difference between those with or without previous CABG and/or chronic total occlusion(s). In conclusion, CAD is prevalent in TAVR patients and pre-TAVR coronary revascularization is typically focused on treating proximal and high-grade stenosis. A selective pre-TAVR PCI strategy results in favorable clinical outcomes with very low rates of post-TAVR coronary revascularization. PMID- 29214719 TI - Ineffectiveness of infliximab CT-P13 for the treatment of scleromyxedema: A case report. PMID- 29214720 TI - Reliability of three questions for the screening of advanced cognitive impairment in polypathological patients. AB - AIM: To determine whether answering three questions erroneously ("what is the date today?," "when were you born?" and "how old are you?") allows for the detection of advanced cognitive impairment in polypathological patients. METHODS: A cross-sectional study of patients admitted to the internal medicine and geriatrics departments was carried out. Advanced cognitive impairment was diagnosed when patients made 7-10 errors in the Short Portable Mental Status Questionnaire. RESULTS: We included 441 polypathological patients, 330 of them from the internal medicine departments and 111 from the geriatrics department. Their mean age was 80.8 years (8.9 years). Of them, 141 (32.0%) answered one question incorrectly, 58 (13.1%) answered two and 89 (20.2%) answered all three questions incorrectly. The prevalence of advanced cognitive impairment was 27.7%. The sensitivity, specificity, and positive and negative predictive values of the test were 0.705, 0.991, 0.966 and 0.898, respectively. The accuracy of the test was 0.912. The area under the receiver operating characteristic curve was 0.947, 95% CI 0.923-0.970. CONCLUSIONS: The three questions test has very good specificity and positive predictive value, and it can be used for the screening of advanced cognitive impairment in polypathological patients. Geriatr Gerontol Int 2018; 18: 441-447. PMID- 29214721 TI - Surface characterization of titanium implant healing abutments before and after placement. AB - BACKGROUND: Implant healing abutments (IHA) have a vital role in soft tissue healing after implant placement. Although there is thorough investigation on the implant surface, little is known about the effects potentially damaging oral conditions impose on healing abutments. PURPOSE: To characterize the surface of titanium healing abutments before and after clinical placement to understand the effects of the oral environment and time on the device surface. MATERIALS AND METHODS: Ten regular Straumann IHA were subjected to characterization pre and postplacement to elucidate the effects of the oral environment on device surfaces. Changes in surface crystallinity, morphology, and elemental composition were monitored with Raman spectroscopy, scanning electron microscopy, optical microscopy, and x-ray photoelectron spectroscopy, respectively. In addition, corrosion rate and polarization resistance were obtained to assess electrochemical device stability after placement. RESULTS: Control analysis indicated the titanium oxide of IHAs was thicker than natural commercially pure titanium and had the structure of crystalline anatase. After removal, the abutments possessed large amounts of biological debris, visible scratches, and discoloration sparsely on the surface. Spectroscopic analysis revealed the titanium oxide on the surface of IHAs was structurally unchanged, with crystalline titanium dioxide still present on the surface. Electrochemical results revealed that implanted healing abutments possessed a significantly higher corrosion rate than controls (change in corrosion rate = 2.34 +/- 0.58 nm/year). CONCLUSIONS: Healing abutments were stable in the oral environment due to the chemical stability of the oxide, and were likely subjected to abrasions from unintentional loading and oral hygiene techniques. PMID- 29214722 TI - Boosting Electrochemical Water Oxidation with Metal Hydroxide Carbonate Templated Prussian Blue Analogues. AB - The development of efficient and stable catalyst systems with low-cost, abundant, and non-toxic materials is the primary demand for electrochemical water oxidation. A unique method is reported for the syntheses of metal hydroxide carbonate templated Prussian blue analogues (PBAs) on carbon cloth and their outstanding water oxidation activities in alkaline medium. The best water oxidation activity is obtained with cobalt hydroxide carbonate templated t-CoII CoIII with an overpotential as low as 240 mV to reach a current density of 10 mA cm-2 . It produces constant current over 50 h in chronoamperometric measurements. Moreover, the catalysts outperform the activities of the PBAs prepared without any template and even the noble metal catalyst RuO2 . Spectroscopic and microscopic studies show that the PBAs are transformed into layered hydroxide oxyhydroxide structures during electrochemical process and provide the active sites for the water oxidation. PMID- 29214724 TI - CME-1, a novel polysaccharide, suppresses iNOS expression in lipopolysaccharide stimulated macrophages through ceramide-initiated protein phosphatase 2A activation. AB - CME-1, a novel water-soluble polysaccharide purified from Ophiocordyceps sinensis mycelia, has anti-oxidative, antithrombotic and antitumour properties. In this study, other major attributes of CME-1, namely anti-inflammatory and immunomodulatory properties, were investigated. Treating lipopolysaccharide (LPS) stimulated RAW 264.7 cells with CME-1 concentration-dependently suppressed nitric oxide formation and inducible nitric oxide synthase (iNOS) expression. In the CME 1-treated RAW 264.7 cells, LPS-induced IkappaBalpha degradation and the phosphorylation of p65, Akt and mitogen-activated protein kinases (MAPKs), including extracellular signal-regulated kinase, c-Jun N-terminal kinase and p38, were reduced. Treatment with a protein phosphatase 2A (PP2A)-specific inhibitor, significantly reversed the CME-1-suppressed iNOS expression; IkappaBalpha degradation; and p65, Akt and MAPK phosphorylation. PP2A activity up-regulation and PP2A demethylation reduction were also observed in the cells. Moreover, CME-1 induced PP2A activation and its subsequent suppression of LPS-activated RAW 264.7 cells were diminished by the inhibition of ceramide signals. LPS-induced reactive oxygen species (ROS) and hydroxyl radical formation were eliminated by treating RAW 264.7 cells with CME-1. Furthermore, the role of ceramide signalling pathway and anti-oxidative property were also demonstrated in CME-1-mediated inhibition of LPS-activated primary peritoneal macrophages. In conclusion, CME-1 suppressed iNOS expression by up-regulating ceramide-induced PP2A activation and reducing ROS production in LPS-stimulated macrophages. CME-1 is a potential therapeutic agent for treating inflammatory diseases. PMID- 29214725 TI - Strictly Conserved Residues in Euphorbia tirucalli beta-Amyrin Cyclase: Trp612 Stabilizes Transient Cation through Cation-pi Interaction and CH-pi Interaction of Tyr736 with Leu734 Confers Robust Local Protein Architecture. AB - The functions of Trp612, Leu734, and Tyr736 of Euphorbia tirucalli beta-amyrin synthase were examined. The aliphatic variants (Ala, Val, Met) of Trp612 showed almost no activity, but the aromatic variants exhibited high activities: 12.5 % of the wild-type activity for the W612H variant, 43 % for W612F, and 63 % for W612Y. That is, the enzymatic activities of the variants increased in proportion to the increase in pi-electron density. Thus, the major function of Trp612 is to stabilize transient cations through a cation-pi interaction. The Phe and Tyr variants caused a distorted folding conformation, especially at the E-ring site, which generated the aberrantly cyclized products germanicol and lupeol. The L734G and L734A variants exhibited significantly decreased activities but yielded taraxerol in a high production ratio. The Val, Ile, and Met variants showed markedly high activities (56-78 % of wild-type activity); therefore, appropriate steric bulk is required at this position. The aliphatic variants of Tyr736 showed markedly decreased activities, but the Phe mutant exhibited high activity (67 %), which indicates that the pi electrons are critical for catalysis. Homology modeling indicated that Tyr736 and Leu734 are perpendicular to the substrate and are situated face to face, which suggests that a CH-pi interaction occurs between Tyr736 and Leu734, reinforcing the protein architecture, and that Tyr736 cannot stabilize cationic intermediates through a cation-pi interaction. PMID- 29214723 TI - Longitudinal Analysis of Quality of Life, Clinical, Radiographic, Echocardiographic, and Laboratory Variables in Dogs with Preclinical Myxomatous Mitral Valve Disease Receiving Pimobendan or Placebo: The EPIC Study. AB - BACKGROUND: Changes in clinical variables associated with the administration of pimobendan to dogs with preclinical myxomatous mitral valve disease (MMVD) and cardiomegaly have not been described. OBJECTIVES: To investigate the effect of pimobendan on clinical variables and the relationship between a change in heart size and the time to congestive heart failure (CHF) or cardiac-related death (CRD) in dogs with MMVD and cardiomegaly. To determine whether pimobendan-treated dogs differ from dogs receiving placebo at onset of CHF. ANIMALS: Three hundred and fifty-four dogs with MMVD and cardiomegaly. MATERIALS AND METHODS: Prospective, blinded study with dogs randomized (ratio 1:1) to pimobendan (0.4 0.6 mg/kg/d) or placebo. Clinical, laboratory, and heart-size variables in both groups were measured and compared at different time points (day 35 and onset of CHF) and over the study duration. Relationships between short-term changes in echocardiographic variables and time to CHF or CRD were explored. RESULTS: At day 35, heart size had reduced in the pimobendan group: median change in (Delta) LVIDDN -0.06 (IQR: -0.15 to +0.02), P < 0.0001, and LA:Ao -0.08 (IQR: -0.23 to +0.03), P < 0.0001. Reduction in heart size was associated with increased time to CHF or CRD. Hazard ratio for a 0.1 increase in DeltaLVIDDN was 1.26, P = 0.0003. Hazard ratio for a 0.1 increase in DeltaLA:Ao was 1.14, P = 0.0002. At onset of CHF, groups were similar. CONCLUSIONS AND CLINICAL IMPORTANCE: Pimobendan treatment reduces heart size. Reduced heart size is associated with improved outcome. At the onset of CHF, dogs treated with pimobendan were indistinguishable from those receiving placebo. PMID- 29214726 TI - Curb Your Embodiment. AB - To explain how abstract concepts are grounded in sensory-motor experiences, several theories have been proposed. I will discuss two of these proposals, Conceptual Metaphor Theory and Situated Cognition, and argue why they do not fully explain grounding. A central idea in Conceptual Metaphor Theory is that image schemas ground abstract concepts in concrete experiences. Image schemas might themselves be abstractions, however, and therefore do not solve the grounding problem. Moreover, image schemas are too simple to explain the full richness of abstract concepts. Situated cognition might provide such richness. Research in our laboratory, however, has shown that even for concrete concepts, sensory-motor grounding is task dependent. Therefore, it is questionable whether abstract concepts can be significantly grounded in sensory-motor processing. PMID- 29214727 TI - Importance and regulation of adult stem cell migration. AB - Cell migration is an essential process throughout the life of vertebrates, beginning during embryonic development and continuing throughout adulthood. Stem cells have an inherent ability to migrate, that is as important as their capacity for self-renewal and differentiation, enabling them to maintain tissue homoeostasis and mediate repair and regeneration. Adult stem cells reside in specific tissue niches, where they remain in a quiescent state until called upon and activated by tissue environmental signals. Cell migration is a highly regulated process that involves the integration of intrinsic signals from the niche and extrinsic factors. Studies using three-dimensional in vitro models have revealed the astonishing plasticity of cells in terms of the migration modes employed in response to changes in the microenvironment. These same properties can, however, be subverted during the development of some pathologies such as cancer. In this review, we describe the response of adult stem cells to migratory stimuli and the mechanisms by which they sense and transduce intracellular signals involved in migratory processes. Understanding the molecular events underlying migration may help develop therapeutic strategies for regenerative medicine and to treat diseases with a cell migration component. PMID- 29214729 TI - Finasteride inhibited brain dopaminergic system and open-field behaviors in adolescent male rats. AB - AIMS: Finasteride inhibits the conversion of testosterone to dihydrotestosterone. Because androgen regulates dopaminergic system in the brain, it could be hypothesized that finasteride may inhibit dopaminergic system. The present study therefore investigates the effects of finasteride in adolescent and early developmental rats on dopaminergic system, including contents of dopamine and its metabolites (dihydroxy phenyl acetic acid and homovanillic acid) and tyrosine hydroxylase expressions both at gene and protein levels. Meanwhile, open-field behaviors of the rats are examined because of the regulatory effect of dopaminergic system on the behaviors. METHODS: Open-field behaviors were evaluated by exploratory and motor behaviors. Dopamine and its metabolites were assayed by liquid chromatography-mass spectrometry. Tyrosine hydroxylase mRNA and protein expressions were determined by real-time qRT-PCR and western blot, respectively. RESULTS: It was found that in adolescent male rats, administration of finasteride at doses of 25 and 50 mg/kg for 14 days dose dependently inhibited open-field behaviors, reduced contents of dopamine and its metabolites in frontal cortex, hippocampus, caudate putamen, nucleus accumbens, and down-regulated tyrosine hydroxylase mRNA and protein expressions in substantia nigra and ventral tegmental area. However, there was no significant change of these parameters in early developmental rats after finasteride treatment. CONCLUSION: These results suggest that finasteride inhibits dopaminergic system and open-field behaviors in adolescent male rats by inhibiting the conversion of testosterone to dihydrotestosterone, and imply finasteride as a potential therapeutic option for neuropsychiatric disorders associated with hyperactivities of dopaminergic system and androgen. PMID- 29214728 TI - Disruption of network for visual perception of natural motion in primary dystonia. AB - In healthy subjects, brain activation in motor regions is greater during the visual perception of "natural" target motion, which complies with the two-thirds power law, than of "unnatural" motion, which does not. It is unknown whether motion perception is normally mediated by a specific network that can be altered in the setting of disease. We used block-design functional magnetic resonance imaging and covariance analysis to identify normal network topographies activated in response to "natural" versus "unnatural" motion. A visual motion perception related pattern (VPRP) was identified in 12 healthy subjects, characterized by covarying activation responses in the inferior parietal lobule, frontal operculum, lateral occipitotemporal cortex, amygdala, and cerebellum (Crus I). Selective VPRP activation during "natural" motion was confirmed in 12 testing scans from healthy subjects. Consistent network activation was not seen, however, in 29 patients with dystonia, a neurodevelopmental disorder in which motion perception pathways may be involved. Using diffusion tractography, we evaluated the integrity of anatomical connections between the major VPRP nodes. Indeed, fiber counts in these pathways were substantially reduced in the dystonia subjects. In aggregate, the findings associate normal motion perception with a discrete brain network which can be disrupted under pathological conditions. PMID- 29214730 TI - Conceptual and Operational Definitions for the Nursing Diagnosis "Urinary Retention". AB - PURPOSE: To develop conceptual and operational definitions for defining characteristics and related factors for nursing diagnosis of urinary retention, as contained in Taxonomy II of NANDA-I. DATA SOURCES: Integrative literature review and elaboration of terms related to urinary retention. DATA SYNTHESIS: It includes operational and conceptual definitions of the nursing diagnosis urinary retention. CONCLUSIONS: It is necessary to review the definition of this nursing diagnosis and most of its defining characteristics and related factors. IMPLICATIONS FOR NURSING PRACTICE: The use of internationally known terms for various disciplines in areas of common knowledge helps to standardize the language used by professionals. PMID- 29214731 TI - Perception of Human Interaction Based on Motion Trajectories: From Aerial Videos to Decontextualized Animations. AB - People are adept at perceiving interactions from movements of simple shapes, but the underlying mechanism remains unknown. Previous studies have often used object movements defined by experimenters. The present study used aerial videos recorded by drones in a real-life environment to generate decontextualized motion stimuli. Motion trajectories of displayed elements were the only visual input. We measured human judgments of interactiveness between two moving elements and the dynamic change in such judgments over time. A hierarchical model was developed to account for human performance in this task. The model represents interactivity using latent variables and learns the distribution of critical movement features that signal potential interactivity. The model provides a good fit to human judgments and can also be generalized to the original Heider-Simmel animations (1944). The model can also synthesize decontextualized animations with a controlled degree of interactiveness, providing a viable tool for studying animacy and social perception. PMID- 29214732 TI - Commentary on "Methodological recommendations for cognition trials in bipolar disorder by the International Society for Bipolar Disorders Targeting Cognition Task Force". PMID- 29214733 TI - Timing and sequence of emergence of permanent teeth in Syrian schoolchildren. AB - AIM: The aim of the present study was to investigate the timing and sequence of the eruption of permanent teeth in Syrian schoolchildren. METHODS: A total of 1211 children aged 5-13 years were included. Every permanent tooth was scored according to its clinical stage of eruption. The significance of difference was tested using t test. RESULTS: The mean number of erupted teeth in children aged 5 6 years was 2.41 +/- 2.68, and reached to 24.48 +/- 3.60 in those ages between 12 and 13 years. Mandibular teeth erupted earlier than maxillary opposing teeth in both sexes, except upper premolars. The eruption significantly proceeded in girls when compared to boys. Differences were significant for numbers 11 (P = .003), 21 (P = .035), 13 (P = .013), 42 (P = .038), 33 (P = .009), and 45 (P = .012). There was no significant difference between contralateral teeth (right and left) in the mean age of eruption in both arches. Lower central incisors and first molars were the earliest teeth to emerge in both sexes. Second molars were the last teeth to emerge in boys (maxilla: 11.68 years, mandible: 11.15 years) and girls (maxilla: 11.2 years, mandible 10.99 years). CONCLUSION: Findings could be used as Syrian standards of eruption when health professionals assess normal occlusion and need to determine the correct timing for preventive or corrective procedures. PMID- 29214734 TI - Increased Serum Level of IGF-1 Correlates With Better Cognitive Status in End Stage Renal Disease Patients Undergoing Hemodialysis. AB - Prevalence of cognitive function decline in end stage renal disease (ESRD) patients undergoing hemodialysis is higher than in the general population. We analyzed risk factors for cognitive function decline in those patients. This study included 93 ESRD patients undergoing hemodialysis two or three times a week in three centers for hemodialysis in Montenegro. The cognitive status of patients was assessed using the mini mental score examination (MMSE) test. All 93 patients have been divided into three groups according to the results of MMSE. Patients in the first group had severe cognitive impairment and MMSE score below 17 (26.88%), patients in the second group with MMSE score 18-23 had moderate cognitive impairment (40.86%) and third group of patients have MMSE >24 and no cognitive impairment (32.26%). There were no significant differences between groups for gender, smoking habits and level of parathyroid hormone. Level of schooling was significantly different between groups of patients (P < 0.001). Laboratory markers observed in this study with significant differences between groups were: IGF 1, IGFBP 3, erythrocytes and hemoglobin (P < 0.001, P = 0.004, P < 0.001, P = 0.002, respectively). IGF 1 proved to be of great importance for evaluating cognitive status in our study. This marker was statistically different between groups (P < 0.001) and Tukey post hoc analysis showed significant differences between all three groups (first and second group P = 0.045, second and third group P = 0.015, first and third group P < 0.001). Our data suggest that IGF 1 can be considered as novel biomarker for assessment of cognitive functioning in CKD patients, which can be of huge clinical importance. PMID- 29214735 TI - The mechanism study of miR-125b in occurrence and progression of multiple myeloma. AB - Although many efforts have contributed to improve our knowledge of molecular pathogenesis about multiple myeloma (MM), the role and significance of microRNAs and long noncoding RNAs in MM cells, along with the core mechanism remains virtually absent. The mRNA levels of miR-125b and MALAT1 in MM cell lines were detected by qRT-PCR. The influence of Lenti-Sh-miR-125b on cell viability and the Notch-1 pathway-related proteins were assessed by MTT method and western blot, respectively. We also investigated the regulation effect between MALAT1 and Notch1 pathway. Moreover, the connection between Notch1 signaling and MM cell growth was discussed in-depth. The reverse effect of pcDNA-Notch1 on the cell viability and Notch-1 pathway proteins induced by Si-MALAT1 was also studied. Furthermore, miR-125b overexpressing MM cell lines were injected subcutaneously into nude mice. MiR-125b and MALAT1 were inversely expressed in MM cell lines. Lenti-Sh-miR-125b inhibited the expression of MALAT1 and Notch-1 protein. Binding sites were confirmed between miR-125b and MALAT1, and silencing MALAT1 did not alter the expression of Notch-1. The apoptosis rate was increased and the survival rate was decreased obviously in GSI XII (targeted cleavage of Notch-1 receptor) group, along with the inhibited Notch1 and HES1 proteins. Moreover, the decreased cell viability and Notch-1 pathway proteins induced by Si-MALAT1 could be reversed by pcDNA-Notch1. Lenti-Sh-miR-125b promoted survival and decreased Notch1 and HES1 proteins levels, while this effect was reversed by si -MALAT1. MiR-125b regulated MALAT1 expression via Notch1 signaling pathway to regulate cell growth, thus participating in the occurrence and progression of MM, which functioned as a therapeutic target for tracking MM. PMID- 29214736 TI - Definite stent thrombosis after drug-eluting stent implantation in coronary bifurcation lesions: A meta-analysis of 3,107 patients from 14 randomized trials. AB - BACKGROUND: Bifurcation percutaneous coronary intervention (PCI) is a challenging procedure, but there are currently inadequate data about definite stent thrombosis (ST) rates of single-stent versus double-stent strategies (SS and DS, respectively). METHODS AND RESULTS: Randomized clinical trials (RCTs) comparing SS and DS strategies were searched through PubMed, Embase, and the Cochrane Central Register of Controlled Trials. Fourteen RCTs involving 3,107 patients were analyzed. Owing to the high crossover rate (16.49%), both intention-to-treat (ITT) and as-treated (AT) analyses were performed. In the ITT population, there was a significantly lower rate of early definite ST in the SS group (0.26%; DS group 1.14%; P = 0.021). Similarly, in the AT population, there was a significantly lower rate of early definite ST in the SS group (0.23%, DS group 1.07%; P = 0.042). True bifurcation subgroup analysis also showed a significantly lower early definite ST in the SS group (OR = 0.36, 95% CI = 0.15-0.86, P = 0.042) in the ITT population. There was no significant difference of overall, acute, subacute, and late definite ST between the 2 groups. CONCLUSIONS: Early definite ST is reduced when a SS strategy is used in bifurcation lesions. PMID- 29214738 TI - Successful treatment of pyoderma gangrenosum with anakinra in a patient with Wiskott-Aldrich syndrome. PMID- 29214737 TI - Efficacy, safety and patient-reported outcomes of ledipasvir/sofosbuvir in NS3/4A protease inhibitor-experienced individuals with hepatitis C virus genotype 1 and HIV coinfection with and without cirrhosis (ANRS HC31 SOFTRIH study). AB - OBJECTIVES: Studies evaluating the efficacy and safety of the fixed-dose combination ledipasvir (LDV)/sofosbuvir (SOF) in patients coinfected with HIV-1 and hepatitis C virus (HCV) have mainly included treatment-naive patients without cirrhosis. We aimed to evaluate the efficacy and safety of this combination in treatment-experienced patients with and without cirrhosis. METHODS: We conducted a multicentre, open-label, double-arm, nonrandomized study in patients coinfected with HIV-1 and HCV genotype 1 with and without cirrhosis, who had good viral suppression on their antiretroviral regimens. All patients were pretreated with a first-generation NS3/4A protease inhibitor (PI) plus pegylated interferon/ribavirin. Patients received a fixed-dose combination of LDV/SOF for 12 weeks, or for 24 weeks if cirrhosis was present. The primary endpoint was a sustained virological response (SVR) 12 weeks after the end of therapy. Secondary endpoints included safety, pharmacokinetics and patient-reported outcomes. RESULTS: Of the 68 patients enrolled, 39.7% had cirrhosis. Sixty-five patients [95.6%; 95% confidence interval (CI): 87.6-99.1%; P < 0.0001] achieved an SVR, with similar rates of SVR in those with and without cirrhosis. Tolerance was satisfactory, with mainly grade 1 or 2 adverse events. Among patient-reported outcomes, only fatigue significantly decreased at the end of treatment compared with baseline [odds ratio (OR): 0.36; 95% CI: 0.14-0.96; P = 0.04]. Mean tenofovir area under the plasma concentration-time curve (AUC) at week 4 was high, with mean +/- SD AUC variation between baseline and week 4 higher in cirrhotic than in noncirrhotic patients (3261.57 +/- 1920.47 ng/mL vs. 1576.15 +/ 911.97 ng/mL, respectively; P = 0.03). Mild proteinuria (54.4%), hypophosphataemia (50.0%), blood bicarbonate decrease (29.4%) and hypokalaemia (13.2%) were reported. The serum creatinine level was not modified. CONCLUSIONS: LDV/SOF provided a high SVR rate in PI-experienced subjects coinfected with HCV genotype 1 and HIV-1, including patients with cirrhosis. PMID- 29214739 TI - Evaluation of Intradialytic Hypertension Using Bioelectrical Impedance Combined With Echocardiography in Maintenance Hemodialysis Patients. AB - Although intra-dialytic hypertension (IDH) has been noted in clinical settings for many years, its pathogenesis remains unclear. In this cross-sectional study, we analyzed IDH incidence in our center and the correlation between postdialysis volume state and IDH. One hundred thirty-one maintenance hemodialysis (MHD) patients were enrolled in our study, and bioelectrical impedance (BIA) and echocardiography (ECG) were recorded. In addition, demographic data were collected, and laboratory examinations were conducted. The patients were grouped into four groups according to the change in systolic blood pressure (SBP) between predialysis and postdialysis. The incidence of IDH was 10.7%. The proportion of extracellular water to total body weight (ECW/TW), as evaluated by BIA, was significantly higher in the IDH group than in the other three groups both in pre and post-dialysis. In particular, postdialysis SBP was highest in the highest tertile interval of ECW/TW. In addition, among the four groups, left ventricular volume (LVV) was highest in the IDH group. Binary logistic analyses revealed that predialysis SBP, postdialysis ECW/TW and LVV were independent risk factors of intradialytic hypertension. When predicting IDH, the AUC of the ROC curve was higher for ECW/TW combined with LVV (0.752, 95% CI 0.613-0.896) than for either LVV or ECW/TW alone. Our study further showed that post-dialysis volume expansion is an important factor for the development of IDH. PMID- 29214740 TI - A prospective multicentre randomized placebo-controlled superiority trial in patients with suspected bacterial endophthalmitis after cataract surgery on the adjuvant use of intravitreal dexamethasone to intravitreal antibiotics. AB - PURPOSE: We aimed to determine whether intravitreal dexamethasone as an adjuvant to intravitreal antibiotics is beneficial in the treatment of suspected bacterial endophthalmitis after cataract surgery. METHODS: Randomized, placebo-controlled superiority trial in three tertiary referral centres in the Netherlands. Patients with suspected bacterial endophthalmitis within 6 weeks after cataract surgery were eligible. A diagnostic vitreous biopsy was taken for culture, and patients received intravitreal injections of 400 MUg dexamethasone (without preservatives) or placebo, in addition to 0.2 mg vancomycin and 0.05 mg gentamicin. The vancomycin and dexamethasone or placebo injections were repeated once at day 3 or 4. Primary outcome measure was best-corrected visual acuity (BCVA) at 1 year. RESULTS: Between 1 November 2004 and 1 March 2014 (excluding two interruptions totalling 20 months), 324 eligible patients presented. A total of 167 patients (81 dexamethasone, 86 placebo) were available for the intention-to-treat analysis. Biopsies of 114 patients (68%) were culture-positive. Final BCVA did not differ between the dexamethasone and the placebo group (logMAR 0.31 +/- 0.58 versus 0.27 +/- 0.50; p = 0.90), nor did the number of patients with final vision of no light perception (LP, 7 versus 13). Pain, corneal oedema, the absence of a red fundus reflex on presentation, LP on presentation and culture of virulent pathogens from biopsy were statistically significantly associated with an unfavourable visual outcome. CONCLUSION: Intravitreal dexamethasone without preservatives as an adjuvant to intravitreal antibiotics does not improve visual acuity (VA) in patients treated for suspected bacterial endophthalmitis after cataract surgery. PMID- 29214741 TI - Laccase-Catalyzed Synthesis of Low-Molecular-Weight Lignin-Like Oligomers and their Application as UV-Blocking Materials. AB - The laccase-catalyzed oxidative polymerization of monomeric and dimeric lignin model compounds was carried out with oxygen as the oxidant in aqueous medium. The oligomers were characterized by using gel permeation chromatography (GPC) and matrix-assisted laser desorption ionization time-of-flight mass spectroscopy (MALDI-TOF MS) analysis. Oxidative polymerization led to the formation of oligomeric species with a number-average molecular weight (Mn ) that ranged from 700 to 2300 Da with a low polydispersity index. Spectroscopic analysis provided insight into the possible modes of linkages present in the oligomers, and the oligomerization is likely to proceed through the formation of C-C linkages between phenolic aromatic rings. The oligomers were found to show good UV light absorption characteristics with high molar extinction coefficient (5000-38 000 m 1 cm-1 ) in the UV spectral region. The oligomers were blended independently with polyvinyl chloride (PVC) by using solution blending to evaluate the compatibility and UV protection ability of the oligomers. The UV/Vis transmittance spectra of the oligomer-embedded PVC films indicated that these lignin-like oligomers possessed a notable ability to block UV light. In particular, oligomers obtained from vanillyl alcohol and the dimeric lignin model were found to show good photostability in accelerated UV weathering experiments. The UV-blocking characteristics and photostability were finally compared with the commercial low-molecular-weight UV stabilizer 2,4-dihydroxybenzophenone. PMID- 29214742 TI - Evaluation of efficacy and safety of dexamethasone intravitreal implants before and after vitrectomy in a real-life study. PMID- 29214743 TI - GC-MS/MS detects potential pregabalin abuse in susceptible subjects' hair. AB - Pregabalin, a GABA analogue, binds to the alpha 2 delta subunit of voltage dependent calcium channels. It is recognised as efficacious in pathologies such as epilepsy, neuropathic pain, and anxiety disorders. Since pregabalin prescriptions have increased worldwide, reports of its abuse have been accumulating, mainly in patients with opioid abuse disorders. The present study investigated potential pregabalin abuse by means of hair analysis, a matrix that provides valuable retrospective information. Half of the pool of 280 susceptible patients had been occasional drug users and were being monitored for driving licence renewals. The other 140 patients had a history of opiate dependency and were monitored to assess compliance with methadone therapy. In view of determining pregabalin in hair samples, it was extracted in methanol, successfully derivatised to give the ethyl chloroformate derivative, and finally pregabalin was analysed by gas chromatography-tandem mass spectrometry. Selectivity, linearity, limit of detection, limit of quantification, recovery, intra- and inter-day precision, and accuracy of the quantification procedure were appraised. Pregabalin limits of detection and quantification were 30 pg/mg and 50 pg/mg, respectively. We found 10.7% of hair samples from methadone patients and 4.29% from occasional drug users were positive to pregabalin without medical prescription. The mean pregabalin concentration in hair was higher than in consumers with medical indications (1.45 ng/mg vs 0.74 ng/mg). These results suggest that pregabalin possesses a significant abuse potential particularly among individuals attending opiate dependence services and that pregabalin abuse is a serious emerging issue, which should be carefully monitored. PMID- 29214744 TI - Exposure to cadmium during gestation and lactation affects development and function of Leydig cells in male offspring. AB - Toxic effects of maternal exposure to Cadmium (Cd) on Leydig cells of male offspring arises much concern recently, but its toxic effects on the development of Leydig cells and androgen synthesis have not been elucidated. In this study, female rats were exposed to Cd during gestation and lactation, and the development of Leydig cells in the first filial-generation (F1) male rats was investigated. The steroidogenic signaling pathway and biomarkers related to the development of Leydig cells were detected to disclose how maternal Cd-exposure caused reproductive damage. F1 male rats with maternal Cd-exposure gained a low relative weight of testis and declined levels of steroid hormones. Maternal Cd exposure interrupted the development of Leydig cells with high expression of SRD5alpha and cell morphology of immature Leydig cells in adulthood, inhibited the activation of cyclic adenosine monophosphate/ protein kinase A signaling pathway and down-regulated the steroidogenic enzymes. These results would help to disclose the origin of male sexual dysfunction in the developmental stages of Leydig cells. PMID- 29214746 TI - Case of idiopathic and complete appendiceal intussusception. AB - Appendiceal intussusception is a rare disease in which the appendix invaginates into the cecum. It is often caused by organic diseases. The present case involved an appendiceal intussusception without an organic disease, and laparoscopic resection of part of the cecum was performed. Appendiceal intussusception has various causes, including malignant diseases. Therefore, diagnosis and selection of operative method are complex and could potentially lead to an excessively invasive option. By performing SILS with a multiuse single-site port, we were able to provide an appropriate, non-invasive treatment that had a good esthetic outcome. PMID- 29214747 TI - Prognostic effect of body mass index to mortality in Korean older persons. AB - AIM: Body mass index (BMI) is regarded as a predictor of life expectancy and a determinant of mortality. However, the effect of age on BMI-related mortality remains unclear. The aim of the present study was to examine the prognostic effect of BMI to mortality risk among Korean older persons. METHODS: Data were collected from the Korean National Health Insurance Services' Senior Cohort database. This study analyzed the data of 79 341 men and 91 298 women aged >=65 years who underwent health examinations in the 2007 fiscal year. Individual mortality was identified 5 years after 2008. The participants were stratified into seven groups according to basal BMI. Hazard ratios of death were calculated through Cox proportional hazards model after adjusting for age, sex, smoking status, exercise, alcohol intake and income. RESULTS: During the 5-year follow up, 11 651 men and 7 235 women died. In both sexes, a lower BMI had a higher hazard ratio (HR), but the trend of increasing HR at high BMI was not clear. For men, the lowest HR was 0.79 (95% CI 0.71-0.87) at a BMI of 27.5-30.0 kg/m2 . For women, the lowest HR was 0.84 (95% CI 0.78-0.91) at a BMI of 25.0-27.5 kg/m2 . For both sexes, the relative mortality risk was associated with a lower BMI. CONCLUSIONS: A high BMI is not associated with increased mortality in older adults aged >=65 years, whereas a lower BMI is associated with an increased mortality risk in later life in this population. Geriatr Gerontol Int 2018; 18: 538-546. PMID- 29214750 TI - Comparison of prothrombin time INR and clot waveform analysis performed with 129 mmol/L and 105-mmol/L citrate tubes. PMID- 29214748 TI - Alterations in the in vitro and in vivo regulation of muscle regeneration in healthy ageing and the influence of sarcopenia. AB - BACKGROUND: Sarcopenia is defined as the age-related loss of skeletal muscle mass and function. While all humans lose muscle with age, 2-5% of elderly adults develop functional consequences (disabilities). The aim of this study was to investigate muscle myogenesis in healthy elderly adults, with or without sarcopenia, compared with middle-aged controls using both in vivo and in vitro approaches to explore potential biomarker or causative molecular pathways associated with sarcopenic versus non-sarcopenic skeletal muscle phenotypes during ageing. METHODS: Biomarkers of multiple molecular pathways associated with muscle regeneration were analysed using quantitative polymerase chain reaction in quadriceps muscle samples obtained from healthy elderly sarcopenic (HSE, n = 7) or non-sarcopenic (HENS, n = 21) and healthy middle-aged control (HMC, n = 22) groups. An in vitro system of myogenesis (using myoblasts from human donors aged 17-83 years) was used to mimic the environmental challenges of muscle regeneration over time. RESULTS: The muscle biopsies showed evidence of satellite cell activation in HENS (Pax3, P < 0.01, Pax7, P < 0.0001) compared with HMC. Early myogenesis markers Myogenic Differentiation 1 (MyoD1) and Myogenic factor 5 (Myf5) (P < 0.0001) and the late myogenesis marker myogenin (MyoG) (P < 0.01) were increased in HENS. In addition, there was a 30-fold upregulation of TNF alpha in HENS compared with HMC (P < 0.0001). The in vitro system demonstrated age-related upregulation of pro-inflammatory cytokines (2-fold upregulation of interleukin (IL)-6, IL-8 mRNA, increased secretion of tumor necrosis factor-alpha (TNF-alpha) and IL-6, all P < 0.05) associated with impaired kinetics of myotube differentiation. The HSE biopsy samples showed satellite cell activation (Pax7, P < 0.05) compared with HMC. However, no significant upregulation of the early myogenesis (MyoD and Myf5) markers was evident; only the late myogenesis marker myogenin was upregulated (P < 0.05). Higher activation of the oxidative stress pathway was found in HENS compared with the HSE group. In contrast, there was 10 fold higher upregulation of HSPA1A a stress-induced chaperone acting upon misfolded proteins in HSE compared with the HENS group. CONCLUSIONS: Both pathological and adaptive processes are active in skeletal muscle during healthy ageing. Muscle regeneration pathways are activated during healthy ageing, but there is evidence of dysregulation in sarcopenia. In addition, increased cellular stress, with an impaired oxidative-stress and mis-folded protein response (HSPA1A), may be associated with the development of sarcopenia. The in vitro system of young and old myoblasts replicated some of the differences between young and old muscle. PMID- 29214751 TI - Multi-center Performance Evaluations of Tacrolimus and Cyclosporine Electrochemiluminescence Immunoassays in the Asia-Pacific Region. AB - BACKGROUND: The immunosuppressant drugs (ISDs), tacrolimus and cyclosporine, are vital for solid organ transplant patients to prevent rejection. However, toxicity is a concern, and absorption is highly variable across patients; therefore, ISD levels need to be precisely monitored. In the Asia-Pacific (APAC) region, tacrolimus and cyclosporine concentrations are typically measured using immunoassays. The objective of this study was to assess the analytical performance of Roche Elecsystacrolimus and cyclosporinee electrochemiluminescence immunoassays (ECLIAs). METHODS: This evaluation was performed in seven centers across China, South Korea, and Malaysia. Imprecision (repeatability and reproducibility), assay accuracy, and lot-to-lot reagent variability were tested. The Elecsys ECLIAs were compared with commercially available immunoassays (Architect, Dimension, and Viva-E systems) using whole blood samples from patients with various transplant types (kidney, liver, heart, and bone marrow). RESULTS: Coefficients of variation for repeatability and reproducibility were <=5.4% and <=12.4%, respectively, for the tacrolimus ECLIA, and <=5.1% and <=7.3%, respectively, for the cyclosporine ECLIA. Method comparisons of the tacrolimus ECLIA with Architect, Dimension, and Viva-E systems yielded slope values of 1.01, 1.14, and 0.897, respectively. The cyclosporine ECLIA showed even closer agreements with the Architect, Dimension, and Viva-E systems (slope values of 1.04, 1.04, and 1.09, respectively). No major differences were observed among the different transplant types. CONCLUSIONS: The tacrolimus and cyclosporine ECLIAs demonstrated excellent precision and close agreement with other immunoassays tested. These results show that both assays are suitable for ISD monitoring in an APAC population across a range of different transplant types. PMID- 29214752 TI - Evaluation of sFlt-1/PlGF Ratio for Predicting and Improving Clinical Management of Pre-eclampsia: Experience in a Specialized Perinatal Care Center. AB - BACKGROUND: Management of pregnant women at high risk of pre-eclampsia (PE) requires frequent monitoring, with referral to specialized perinatal care centers. Reliable tests are necessary to improve prediction of PE and related complications and to assess disease severity and progression. An imbalance in two biomarkers, soluble fms-like tyrosine kinase 1 (sFlt-1) and placental growth factor (PlGF), is involved in PE pathogenesis. The sFlt-1 to PlGF ratio is increased in pregnant women before the onset of PE. An elevated ratio is highly predictive of PE, whereas the diagnosis of PE can be ruled out within one week for low ratios. The main objective of this study was to assess whether a low sFlt 1/PlGF ratio, below a cutoff of 38, can predict the absence of PE within one week. METHODS: We performed a prospective, monocentric, observational study to evaluate serum sFlt-1/PlGF ratio (Roche Diagnostics Cobas e411 system) for predicting -PE in a group of 67 high-risk pregnant women (20-37 gestation weeks). RESULTS: Among the 67 patients included, 53 had a sFlt-1/PlGF ratio lower than 38; none developed subsequent PE leading to a negative predictive value of 100%. Eight patients developed clinical PE. The positive predictive value was 21% at one week and 18% at four weeks, in accordance with previous studies. CONCLUSIONS: The serum sFlt-1/PlGF ratio showed highly predictive performances for ruling out PE. Using these biomarkers in routine management of PE may improve clinical care and avoid inappropriate hospitalization, which has a significant economic impact. PMID- 29214753 TI - Increasing Incidence of Listeriosis and Infection-associated Clinical Outcomes. AB - BACKGROUND: Listeriosis caused by Listeria monocytogenes has a high case-fatality rate (CFR) of approximately 20% to 30%. An increasing incidence of listeriosis has been reported in many countries recently. We investigated the annual incidence, clinical characteristics, and outcomes of listeriosis at three different hospitals in Korea and evaluated the effects of appropriate empiric antimicrobial treatments on patient outcomes. METHODS: We retrospectively collected the data of all culture-positive cases of human listeriosis from three hospitals of different sizes in Korea during 2006-2016 and calculated the annual number of cases and incidence per 100,000 admissions. RESULTS: A total of 58 patients with L. monocytogenes were included in this study. The incidence of listeriosis was significantly higher in 2013-2016 than in 2006-2012 (RR 3.1; 95% CI 1.79-5.36; P<0.001), mainly because of an increase in patients over 60 years of age (RR 3.69; 95% CI 1.70-8.02; P<0.001). Multivariate analysis showed that healthcare-associated infection (adjusted OR, 12.15; 95% CI, 2.56-86.01; P=0.004) and empirical treatment with first-line antimicrobial agents (adjusted OR, 0.08; 95% CI, 0.00-0.63; P=0.044) were associated with CFR. CONCLUSIONS: Healthcare associated infections caused by L. monocytogenes are associated with high CFR. Adequate initial empirical treatments could reduce CFR, suggesting that careful consideration of an empirical antimicrobial regimen is warranted for elderly or immunocompromised patients admitted to the hospital. PMID- 29214754 TI - Utility of Conventional Culture and MALDI-TOF MS for Identification of Microbial Communities in Bronchoalveolar Lavage Fluid in Comparison with the GS Junior Next Generation Sequencing System. AB - BACKGROUND: Diverse microbiota exist in the lower respiratory tract. Although next generation sequencing (NGS) is the most widely used microbiome analysis technique, it is difficult to implement NGS in clinical microbiology laboratories. Therefore, we evaluated the performance of conventional culture methods together with matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) in identifying microbiota in bronchoalveolar lavage (BAL) fluid. METHODS: BAL fluid samples (n=27) were obtained from patients undergoing diagnostic bronchoscopy for lung mass evaluation. Bacterial and fungal culture was performed with conventional media used in clinical microbiology laboratories. On an average, 20 isolated colonies were picked from each agar plate and identified by MALDI-TOF MS. Microbiome analysis using 16S rRNA NGS was conducted for comparison. RESULTS: Streptococcus spp. and Neisseria spp. were most frequently cultured from the BAL fluid samples. In two samples, Enterobacteriaceae grew predominantly on MacConkey agar. Actinomyces and Veillonella spp. were commonly identified anaerobes; gut bacteria, such as Lactobacillus, Bifidobacterium, and Clostridium, and fungi were also isolated. NGS revealed more diverse bacterial communities than culture, and Prevotella spp. were mainly identified solely by NGS. Some bacteria, such as Staphylococcus spp., Clostridium spp., and Bifidobacterium spp., were identified solely by culture, indicating that culture may be more sensitive for detecting certain bacteria. CONCLUSIONS: Culture and NGS of BAL fluid samples revealed common bacteria with some different microbial communities. Despite some limitations, culture combined with MALDI-TOF MS might play a complementary role in microbiome analysis using 16S rRNA NGS. PMID- 29214755 TI - Comparative Evaluation of the Loop-Mediated Isothermal Amplification Assay for Detecting Pulmonary Tuberculosis. AB - BACKGROUND: Early detection of tuberculosis (TB) is challenging in resource-poor settings because of limited accessibility to molecular diagnostics. The aim of this study was to evaluate the performance of the loop-mediated isothermal amplification kit (TB-LAMP) for TB diagnosis compared with conventional and molecular tests. METHODS: A total of 290 consecutive sputum samples were collected from May till September, 2015. All samples were processed using the N Acetyl-L-cysteine (NALC) NaOH method and tested by smear microscopy, solid and liquid culture, real-time PCR, and TB-LAMP. RESULTS: The sensitivity of TB-LAMP for smear-positive and smear-negative samples with culture positivity was 92.0% and 58.8%, respectively. TB-LAMP was positive in 14.9% of TB culture-negative samples; however, all those samples were also positive by real-time PCR. In addition, none of the samples positive for nontuberculous mycobacteria by culture were positive by TB-LAMP. The overall agreement between TB-LAMP and real-time PCR was good; however, the concordance rate was significantly lower for real-time PCR positive samples with Ct values of 30-35. CONCLUSIONS: TB-LAMP could replace smear microscopy and increase TB diagnostic capacity when Xpert MTB/RIF is not feasible because of poor infrastructure. PMID- 29214756 TI - Serum Cytokine Profile in Patients with Chronic Rhinosinusitis with Nasal Polyposis Infected by Aspergillus flavus. AB - BACKGROUND: Fungi, especially Aspergillus flavus, can cause chronic rhinosinusitis with nasal polyposis and modulate host innate immune components. The objective of this study was to examine the serum levels of T helper (Th) cell subset Th1, Th2, and Th17 cytokines and total IgE in patients having chronic rhinosinusitis with nasal polyposis and Aspergillus flavus infection. METHODS: A case-control study including 40 patients with chronic rhinosinusitis with nasal polyposis and 20 healthy controls was conducted. Aspergillus flavus infection was confirmed by standard potassium hydroxide (KOH) testing, culture, and PCR. Serum samples of all patients and controls were analyzed for various cytokines (interleukins [IL]-1beta, IL-2, IL-4, IL-6, IL-17, IL-21, IL-27, TGF-beta) and total IgE by ELISA. Data from patients with Aspergillus flavus infection and healthy volunteers were compared using the independent t-test and non-parametric Mann-Whitney U test. RESULTS: Aspergillus flavus infection was found in 31 (77.5%) patients with chronic rhinosinusitis with nasal polyposis. IL-1beta, IL 17, IL-21, and TGF-beta serum levels were significantly higher in these patients than in controls; however, IL-2, IL-4, IL-6, and IL-27 levels were lower. Compared with nine (22.5%) patients without Aspergillus flavus infection, IL-17 level was higher while IL-2 level was lower in patients with Aspergillus flavus infection. Total IgE was significantly higher in patients with Aspergillus flavus infection than in controls. CONCLUSIONS: High levels of IL-17 and its regulatory cytokines in patients with chronic rhinosinusitis with nasal polyposis infected by Aspergillus flavus raise a concern about effective disease management and therapeutic recovery. Surgical removal of the nasal polyp being the chief management option, the choice of post-operative drugs may differ in eosinophilic vs. non-eosinophilic nasal polyposis. The prognosis is likely poor, warranting extended care. PMID- 29214757 TI - Clinical and Cytogenetic Profiles of Rhabdomyosarcoma with Bone Marrow Involvement in Korean Children: A 15-Year Single-Institution Experience. AB - BACKGROUND: Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma in children. Alveolar RMS (ARMS) is characterized by FOXO1-related chromosomal translocations that result in a poorer clinical outcome compared with embryonal RMS (ERMS). Because the chromosomal features of RMS have not been comprehensively defined, we analyzed the clinical and laboratory data of childhood RMS patients and determined the clinical significance of chromosomal abnormalities in the bone marrow. METHODS: Fifty-one Korean patients with RMS <18 years of age treated between 2001 and 2015 were enrolled in this study. Clinical factors, bone marrow and cytogenetic results, and overall survival (OS) were analyzed. RESULTS: In total, 36 patients (70.6%) had ERMS and 15 (29.4%) had ARMS; 80% of the ARMS patients had stage IV disease. The incidences of bone and bone marrow metastases were 21.6% and 19.6%, respectively, and these results were higher than previously reported results. Of the 40 patients who underwent bone marrow cytogenetic investigation, five patients had chromosomal abnormalities associated with the 13q14 rearrangement. Patients with a chromosomal abnormality (15 vs 61 months, P=0.037) and bone marrow involvement (17 vs 61 months, P=0.033) had a significantly shorter median OS than those without such characteristics. Two novel rearrangements associated with the 13q14 locus were detected. One patient with concomitant MYCN amplification and PAX3/FOXO1 fusion showed an aggressive clinical course. CONCLUSIONS: A comprehensive approach involving conventional cytogenetics and FOXO1 FISH of the bone marrow is needed to assess high-risk ARMS patients and identify novel cytogenetic findings. PMID- 29214758 TI - Comparison of Four Human Papillomavirus Genotyping Methods: Next-generation Sequencing, INNO-LiPA, Electrochemical DNA Chip, and Nested-PCR. AB - BACKGROUND: Human papillomavirus (HPV) infection causes cervical cancer, thus necessitating early detection by screening. Rapid and accurate HPV genotyping is crucial both for the assessment of patients with HPV infection and for surveillance studies. METHODS: Fifty-eight cervicovaginal samples were tested for HPV genotypes using four methods in parallel: nested-PCR followed by conventional sequencing, INNO-LiPA, electrochemical DNA chip, and next-generation sequencing (NGS). RESULTS: Seven HPV genotypes (16, 18, 31, 33, 45, 56, and 58) were identified by all four methods. Nineteen HPV genotypes were detected by NGS, but not by nested-PCR, INNO-LiPA, or electrochemical DNA chip. CONCLUSIONS: Although NGS is relatively expensive and complex, it may serve as a sensitive HPV genotyping method. Because of its highly sensitive detection of multiple HPV genotypes, NGS may serve as an alternative for diagnostic HPV genotyping in certain situations. PMID- 29214759 TI - Clinical Implications of Quantitative JAK2 V617F Analysis using Droplet Digital PCR in Myeloproliferative Neoplasms. AB - BACKGROUND: JAK2 V617F is the most common mutation in myeloproliferative neoplasms (MPNs) and is a major diagnostic criterion. Mutation quantification is useful for classifying patients with MPN into subgroups and for prognostic prediction. Droplet digital PCR (ddPCR) can provide accurate and reproducible quantitative analysis of DNA. This study was designed to verify the correlation of ddPCR with pyrosequencing results in the diagnosis of MPN and to investigate clinical implications of the mutational burden. METHODS: Peripheral blood or bone marrow samples were obtained from 56 patients newly diagnosed with MPN or previously diagnosed with MPN but not yet indicated for JAK2 inhibitor treatment between 2012 and 2016. The JAK2 V617F mutation was detected by pyrosequencing as a diagnostic work-up. The same samples were used for ddPCR to determine the correlation between assays and establish a detection sensitivity cut-off. Clinical and hematologic aspects were reviewed. RESULTS: Forty-two (75%) and 46 (82.1%) patients were positive for JAK2 V617F by pyrosequencing and ddPCR, respectively. The mean mutated allele frequency at diagnosis was 37.5+/-30.1% and was 40.7+/-31.2% with ddPCR, representing a strong correlation (r=0.9712, P<0.001). Follow-up samples were available for 12 patients, including eight that were JAK2 V617F-positive. Of these, mutational burden reduction after treatment was observed in six patients (75%), consistent with trends of hematologic improvement. CONCLUSIONS: Quantitative analysis of the JAK2 V617F mutation using ddPCR was highly correlated with pyrosequencing data and may reflect the clinical response to treatment. PMID- 29214760 TI - Prevalence of blaZ Gene and Performance of Phenotypic Tests to Detect Penicillinase in Staphylococcus aureus Isolates from Japan. AB - Guidelines recommend that clinical laboratories perform phenotypic tests (nitrocefin-based test and penicillin 10-U [P10] or 1-U [P1] zone edge tests) to detect penicillinase in Staphylococcus aureus isolates. This study aimed to assess the prevalence of blaZ encoding penicillinase and perform various phenotypic tests in S. aureus isolates from Japan. We prospectively collected 200 methicillin-susceptible S. aureus isolates from June 2015 to January 2016 and performed six phenotypic tests (nitrocefin-based test, P10 zone edge test/P10 diffusion test, penicillin 2-U [P2] zone edge test/P2 diffusion test, and cloverleaf test) on each sample. We confirmed the presence of blaZ (two blaZ positive isolates) using PCR. Using blaZ PCR as a standard, we observed a low sensitivity (50%) and positive predictive value (PPV, 50%) of the nitrocefin based test, low PPV (18.2%) of the P10 zone edge test, low sensitivity (50%) of the P10 diffusion test, low PPV (50% and 22.2%) of the P2 zone edge test and P2 diffusion test, respectively, and low sensitivity (50%) of the cloverleaf test. These data suggest a low performance (sensitivity and PPV) of these six phenotypic tests because of the low prevalence (1%) of blaZ in S. aureus isolates from Japan. PMID- 29214762 TI - Incidental Identification of Plasmodium vivax During Routine Complete Blood Count Analysis Using the UniCel DxH 800. PMID- 29214761 TI - Clinicopathological Characteristics of Hyperdiploidy with High-Risk Cytogenetics in Multiple Myeloma. AB - In multiple myeloma (MM), hyperdiploidy (HD) is known to impart longer overall survival. However, it is unclear whether coexistent HD ameliorates the adverse effects of known high-risk cytogenetics in MM patients. To address this issue, we investigated the clinicopathological characteristics of HD with high-risk cytogenetics in MM. Ninety-seven patients with MM were included in the study. For metaphase cytogenetics (MC), unstimulated cells from bone marrow aspirates were cultured for either 24 or 48 hours. To detect HD by interphase fluorescence in situ hybridization (iFISH), we assessed trisomies of chromosomes 5, 7, 9, 11, 15, and 17. Of the 97 MM patients, 40 showed HD. The frequency of co-occurrence of HD and high-risk cytogenetics was 14% (14/97). When the clinicopathological characteristics were compared between the two groups of HD with high-risk cytogenetics vs. non-HD (NHD) with high-risk cytogenetics, the level of beta 2 microglobulin and stage distribution significantly differed (P=0.020, P=0.032, respectively). This study shows that some of the clinicopathological characteristics of MM patients with high-risk cytogenetics differ according to HD or NHD status. PMID- 29214763 TI - A Novel e8a2BCR-ABL1 Fusion Transcript without Insertion Sequence in a Patient with Chronic Myeloid Leukemia. PMID- 29214764 TI - Bone Marrow Involvement of Epstein-Barr Virus-Positive Large B-Cell Lymphoma in a Patient with Angioimmunoblastic T-Cell Lymphoma. PMID- 29214765 TI - Correlation of Aminoglycoside Consumption and Amikacin- or Gentamicin-Resistant Pseudomonas aeruginosa in Long-Term Nationwide Analysis: Is Antibiotic Cycling an Effective Policy for Reducing Antimicrobial Resistance? PMID- 29214766 TI - Abrupt Increase in Rate of Imipenem Resistance in Acinetobacter baumannii Complex Strains Isolated from General Hospitals in Korea and Correlation With Carbapenem Administration During 2002-2013. PMID- 29214767 TI - Catheter-related Bloodstream Infection due to Lodderomyces elongisporus in a Patient with Lung Cancer. PMID- 29214768 TI - Congenital Analbuminemia in Unrelated Algerian and Turkish Families is Caused by the Same Molecular Defect in the Albumin Gene. PMID- 29214769 TI - Preeminent Medical Missionary in the 20th Century: Oliver R. Avison. PMID- 29214770 TI - Disruption of the Gut Ecosystem by Antibiotics. AB - The intestinal microbiota is a complex ecosystem consisting of various microorganisms that expands human genetic repertoire and therefore affects human health and disease. The metabolic processes and signal transduction pathways of the host and intestinal microorganisms are intimately linked, and abnormal progression of each process leads to changes in the intestinal environment. Alterations in microbial communities lead to changes in functional structures based on the metabolites produced in the gut, and these environmental changes result in various bacterial infections and chronic enteric inflammatory diseases. Here, we illustrate how antibiotics are associated with an increased risk of antibiotic-associated diseases by driving intestinal environment changes that favor the proliferation and virulence of pathogens. Understanding the pathogenesis caused by antibiotics would be a crucial key to the treatment of antibiotic-associated diseases by mitigating changes in the intestinal environment and restoring it to its original state. PMID- 29214771 TI - Detection of Rare Mutations in EGFR-ARMS-PCR-Negative Lung Adenocarcinoma by Sanger Sequencing. AB - PURPOSE: This study aimed to identify potential epidermal growth factor receptor (EGFR) gene mutations in non-small cell lung cancer that went undetected by amplification refractory mutation system-Scorpion real-time PCR (ARMS-PCR). MATERIALS AND METHODS: A total of 200 specimens were obtained from the First Affiliated Hospital of Guangzhou Medical University from August 2014 to August 2015. In total, 100 ARMS-negative and 100 ARMS-positive specimens were evaluated for EGFR gene mutations by Sanger sequencing. The methodology and sensitivity of each method and the outcomes of EGFR-tyrosine kinase inhibitor (TKI) therapy were analyzed. RESULTS: Among the 100 ARMS-PCR-positive samples, 90 were positive by Sanger sequencing, while 10 cases were considered negative, because the mutation abundance was less than 10%. Among the 100 negative cases, three were positive for a rare EGFR mutation by Sanger sequencing. In the curative effect analysis of EGFR-TKIs, the progression-free survival (PFS) analysis based on ARMS and Sanger sequencing results showed no difference. However, the PFS of patients with a high abundance of EGFR mutation was 12.4 months [95% confidence interval (CI), 11.6 12.4 months], which was significantly higher than that of patients with a low abundance of mutations detected by Sanger sequencing (95% CI, 10.7-11.3 months) (p<0.001). CONCLUSION: The ARMS method demonstrated higher sensitivity than Sanger sequencing, but was prone to missing mutations due to primer design. Sanger sequencing was able to detect rare EGFR mutations and deemed applicable for confirming EGFR status. A clinical trial evaluating the efficacy of EGFR-TKIs in patients with rare EGFR mutations is needed. PMID- 29214772 TI - Pseudolaric Acid B Inhibits Proliferation, Invasion and Epithelial-to-Mesenchymal Transition in Human Pancreatic Cancer Cell. AB - PURPOSE: This study was aimed to investigate the effect of pseudolaric acid B (PAB) on proliferation, invasion and epithelial-to-mesenchymal transition (EMT) in pancreatic cancer cells and to explore the possible mechanism. MATERIALS AND METHODS: The pancreatic cancer cell line SW1990 was cultured and treated with PAB dose- and time-dependent manners. Cell proliferation and invasion ability were measured by MTT assay and Matrigel/Transwell test, respectively. Semi quantitative real-time polymerase chain reaction and Western blotting were conducted to detect the expression of EMT markers and the key molecules. Finally, nude mice subcutaneous transplantation tumor model was used to confirm the therapy efficacy of PAB. RESULTS: PAB could inhibit SW1990 cell proliferation and invasion in time- and dose-dependent manners. Vimentin, fibronectin, N-cadherin, Snail, Slug, YAP, TEAD1, and Survivin were down-regulated (p<0.01), while E cadherin, caspase-9, MST1, and pYAP were up-regulated (p<0.05). Combined PAB and gemcitabine treatment markedly restricted the tumor growth compared with gencitabin or PAB alone groups. CONCLUSION: PAB could inhibit the proliferation and invasion ability of pancreatic cancer cells through activating Hippo-YAP pathway and inhibiting the process of EMT. PMID- 29214773 TI - Protective Effects of Female Reproductive Factors on Lauren Intestinal-Type Gastric Adenocarcinoma. AB - PURPOSE: Gastric cancer shows a male predominance that might be explained by protective effects from estrogens in females. Two Lauren classification histological subtypes, intestinal and diffuse, have distinct carcinogeneses. The purpose of this study was to estimate the effects of sex hormone on female gastric cancer according to Lauren classification. MATERIALS AND METHODS: We reviewed medical records for and administered questionnaires, surveying reproductive and hormonal factors, to 758 patients who underwent gastrectomy for gastric cancer at Samsung Medical Center from May 2012 to November 2014. Clinicopathological characteristics were compared between females and males. The incidence of intestinal-type gastric cancer was compared between females subgroups, consist of premenopausal women and three groups of postmenopausal women (five-year intervals after menopause), and males. The association between reproductive factors and intestinal-type gastric cancer was analyzed by multivariate models for the female group. RESULTS: In total, 227 females (29.9%) and 531 males (70.9%) were included in the analysis. Undifferentiated adenocarcinoma and diffuse-type histology were more frequent in female patients than male patients. While 221 (41.6%) male patients had intestinal-type gastric cancer, no premenopausal female patient had this type of gastric cancer. The incidence of intestinal-type gastric cancer increased with time after menopause, and was similar to males after 10 years from menopause. Parity was associated with an increased risk of intestinal-type gastric cancer in menopausal women. CONCLUSION: These findings support that female sex hormones might be protective against intestinal-type gastric cancer. PMID- 29214774 TI - Correlation of Cancer Stem-Cell Markers OCT4, SOX2, and NANOG with Clinicopathological Features and Prognosis in Operative Patients with Rectal Cancer. AB - PURPOSE: To investigate the association of cancer stem-cell markers [octamer binding transcription factor 4 (OCT4), sex determining region Y-box 2 (SOX2), and Nanog homebox (NANOG)] expression with clinicopathological properties and overall survival (OS) in operative rectal cancer (RC) patients receiving adjuvant therapy. MATERIALS AND METHODS: 153 patients with primary RC receiving surgery were enrolled. Tumor tissue and paired adjacent normal tissue sample were collected, and OCT4, SOX2, and NANOG expressions were assessed by immunofluorescent staining. The median follow-up duration was 5.2 years, and the last follow-up date was August 2016. RESULTS: Tumor tissue OCT4 (p<0.001), SOX2 (p=0.003), and NANOG (p<0.001) expressions were higher than those in adjacent tissue. OCT4 expression was positively correlated with pathological grade (R=0.185, p=0.022), tumor size (R=0.224, p=0.005), and N stage (R=0.170, p=0.036). NANOG expression was positively associated with tumor size (R=0.169, p=0.036). Kaplan-Meier suggested that OCT4+ was associated with worse OS compared with OCT4? (p<0.001), while no association of SOX2 (p=0.121) and NANOG expressions (p=0.195) with OS was uncovered. Compared with one or no positive marker, at least two positive markers were associated with shorter OS (p<0.001), while all three positive markers were correlated with worse OS compared with two or less positive markers (p<0.001). Multivariate Cox's analysis revealed that OCT4+ (p<0.001) and N stage (p=0.046) were independent factors for shorter OS. CONCLUSION: Tumor tissue OCT4 expression was correlated with poor differentiation, tumor size, and N stage, and it can serve as an independent prognostic biomarker in operative patients with RC receiving adjuvant therapy. PMID- 29214775 TI - TRIM56 Suppresses Multiple Myeloma Progression by Activating TLR3/TRIF Signaling. AB - PURPOSE: Tripartite-motif-containing protein 56 (TRIM56) has been found to exhibit a broad antiviral activity, depending upon E3 ligase activity. Here, we attempted to evaluate the function of TRIM56 in multiple myeloma (MM) and its underlying molecular basis. MATERIALS AND METHODS: TRIM56 expression at the mRNA and protein level was measured by qRT PCR and western blot analysis. 3-(4,5 dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and flow cytometry analysis was performed to investigate the effect of TRIM56 on MM cell proliferation and apoptosis. The concentrations of interferon (IFN)-beta, interleukin (IL)-6, and tumor necrosis factor-alpha in MM cell culture supernatants were detected with respective commercial ELISA kits. Western blot was employed to determine the effect of TRIM56 on toll-like receptor 3 (TLR3)/toll-IL-1 receptor (TIR) domain-containing adaptor inducing IFN-beta (TRIF) signaling pathway. RESULTS: TRIM56 expression was prominently decreased in MM cells. Poly (dA:dT)-induced TRIM56 overexpression in U266 cells suppressed proliferation, induced apoptosis, and enhanced inflammatory cytokine production, while TRIM56 knockdown improved growth, diminished apoptosis, and inhibited inflammatory cytokine secretion in RPMI8226 cells. Moreover, TRIM56 knockdown blocked TLR3 signaling pathway. Furthermore, poly (I:C), a TLR3 agonist, markedly abolished TRIM56 depletion-induced increase of proliferation, decrease of apoptosis, and reduction of inflammatory factor in MM cells. CONCLUSION: TRIM56 may act as a tumor suppressor in MM through activation of TLR3/TRIF signaling pathway, contributing to a better understanding of the molecular mechanism of TRIM56 involvement in MM pathogenesis and providing a promising therapy strategy for patients with MM. PMID- 29214776 TI - 14-3-3zeta Overexpression is Associated with Poor Prognosis in Ovarian Cancer. AB - PURPOSE: 14-3-3zetaregulates cell signaling, cell cycle progression, and apoptosis, and its overexpression is associated with disease recurrence and poor clinical outcomes in some solid tumors. However, its clinicopathological role in ovarian cancer is unknown. Our goal was to investigate whether 14-3-3zetais associated with ovarian cancer prognosis. MATERIALS AND METHODS: We examined 14-3 3zetaexpression by immunohistochemistry in ovarian cancer tissues obtained from 88 ovarian cancer patients. The examined tissues were of various histologies and stages. 14-3-3zetaexpression was also analyzed by western blot in seven ovarian cancer cell lines and a primary ovary epithelial cell line. Cell viability was measured using an MTS-based assay following cisplatin treatment. RESULTS: Among the ovarian cancer samples, 53.4% (47/88) showed high 14-3-3zetaexpression, and 14-3-3zetaoverexpression was positively correlated with more advanced pathologic stages and grades. 14-3-3zetaoverexpression was also significantly associated with poor disease-free survival (DFS) and overall survival (OS) of ovarian cancer patients. Median DFS and OS were 1088 and 3905 days, respectively, in the high 14 3-3zetaexpression group, but not reached in the low 14-3-3zetaexpression group (p=0.004 and p=0.033, log-rank test, respectively). Downregulating 14-3-3zetaby RNA interference in ovarian cancer cells led to enhanced sensitivity to cisplatin induced cell death. CONCLUSION: 14-3-3zetaoverexpression might be a potential prognostic biomarker for ovarian cancer, and the inhibition of 14-3-3zetacould be a therapeutic option that enhances the antitumor activity of cisplatin. PMID- 29214777 TI - Is There a Sex-Related Difference in the Obesity Paradox in Systolic Heart Failure? Sex-Related Difference in the Obesity Paradox. AB - PURPOSE: Obesity is often associated with better clinical outcomes in heart failure (HF). This so-called obesity paradox remains controversial. The aim of present study was to investigate the prognostic value of obesity in patients hospitalized for systolic HF. MATERIALS AND METHODS: We performed a pooled analysis of data from two multicenter, observational HF studies. Patients hospitalized for systolic HF were eligible for the present study. We divided the subjects into two groups, a normal body mass index (BMI) group and a high BMI group. Study endpoints included all-cause mortality and any re-hospitalization within 1 year. RESULTS: We enrolled 3145 patients (male, 1824; female, 1321). The high BMI group was significantly associated with lower 1-year mortality rate [odds ratio (OR), 0.543; 95% confidence interval (CI), 0.355-0.832] after adjusting for age, hypertension, diabetes, ischemic HF, previous myocardial infarction, serum creatinine level, anemia, and ejection fraction in men. After adjustment for clinical characteristics, high BMI was not significantly associated with 1-year mortality (OR, 0.739; 95% CI, 0.450-1.216) or 1-year re hospitalization (OR, 0.958; 95% CI, 0.696-1.319) in women. CONCLUSION: In pooled analysis of data from two Korean HF registries, the high BMI group was independently associated with lower 1-year mortality rate from systolic HF, especially in men. PMID- 29214778 TI - Supplementary Diagnostic Landmarks of Left Ventricular Non-Compaction on Magnetic Resonance Imaging. AB - PURPOSE: Diagnostic criteria for left ventricular non-compaction (LVNC) are still a matter of dispute. The aim of our present study was to test the diagnostic value of two novel diagnostic cardiac magnetic resonance (CMR) parameters: proof of non-compact (NC) myocardium blood flow using T2 sequences and changes in geometry of the left ventricle. MATERIALS AND METHODS: The study included cases with LVNC and controls, from a data base formed in a period of 3.5 years (n=1890 exams), in which CMR protocol included T2 sequences. Measurement of perpendicular maximal and minimal end diastolic dimensions in the region with NC myocardium from short axis plane was recorded, and calculated as a ratio (MaxMinEDDR), while flow through trabecula was proven by intracavital T2-weighted hyperintensity (ICT2HI). LVNC diagnosis met the following three criteria: thickening of compact (C) layer, NC:C>2.3:1 and NC>20%LV. RESULTS: The study included 200 patients; 71 with LVNC (35.5%; i.e., 3.76% of CMRs) and 129 (64.5%) controls. MaxMinEDDR in patients with LVNC was significantly different from that in controls (1.17+/-0.08 vs. 1.06+/-0.04, respectively; p<0.001). MaxMinEDDR >1.10 had sensitivity of 91.6% [95% confidence intervals (CI) 82.5-96.8], specificity of 85.3% (95% CI 78.0-90.0), and area under curve (AUC) 0.919 (95% CI 0.872-0.953; p<0.001) for LVNC. Existence of ICT2HI had sensitivity of 100.0% (95% CI 94.9-100.0), specificity of 91.5% (95% CI 85.3-95.7), and AUC 0.957 (95% CI 0.919-0.981; p<0.001) for LVNC. CONCLUSION: Two additional diagnostic parameters for LVNC were identified in this study. ICT2HI and geometric eccentricity of the ventricle both had relatively high sensitivity and specificity for diagnosing LVNC. PMID- 29214780 TI - Mismatch between TOF MR Angiography and CT Angiography of the Middle Cerebral Artery may be a Critical Sign in Cerebrovascular Dynamics. AB - PURPOSE: Although time-of-flight (TOF)-magnetic resonance angiography (MRA) can clearly depict intracranial arteries, the arterial flow of middle cerebral artery (MCA) is occasionally not detected. We evaluated this phenomenon with reference to cerebrovascular dynamics. MATERIALS AND METHODS: Seventeen patients with suspected occlusion of MCA or internal carotid artery on TOF-MRA were enrolled. All patients underwent CT angiography (CTA) and quantitative cerebral blood flow (CBF) examination for measurement of resting CBF and cerebrovascular reactivity (CVR). Depending on appearance, patients were categorized into three groups. Group A (n=6) had MCA delineation on both MRA and CTA, while groups B (n=6) and C (n=5) had no signal on MRA, but Group B had a MCA delineation on CTA. RESULTS: No significant difference between resting CBF and CBF after the administration of acetazolamide was seen among 3 groups. In contrast, mean CVR in group B was 19.7+/-18.1%, which was significantly lower than group A [36.4+/-21.7% (p<0.05)], but not than group C (21.4+/-35.2%). Furthermore, all patients in group B displayed a so-called steal phenomenon. CONCLUSION: This study is the first to show that visualization of MCA on TOF-MRA closely correlates with CVR, and that a vascular pattern showing no MCA signal intensity on MRA but with MCA delineation on CTA indicates a critical cerebrovascular condition. PMID- 29214779 TI - Effectiveness and Safety of Biolimus A9TM-Eluting stEnt in Patients with AcUTe Coronary sYndrome; A Multicenter, Observational Study (BEAUTY Study). AB - PURPOSE: This study sought to determine the 1-year clinical effectiveness and safety of a biodegradable, polymer-containing Biolimus A9TM-eluting stent (BES) in Korean patients with acute coronary syndrome (ACS). MATERIALS AND METHODS: A total of 1000 ACS patients with 1251 lesions who underwent implantation of BESs at 22 centers in Korea were enrolled between May 2011 and July 2013. We assessed major adverse cardiac events (MACE) defined as the composite of cardiac death, non-fatal myocardial infarction (MI), and clinical-driven target vessel revascularization at 12 months. RESULTS: Patient mean age was 62.6+/-11.4 years. 72.8% of the patients were male, 28.5% had diabetes, 32.8% had multi-vessel disease (MVD), and 47.9% presented with acute MI (AMI). The mean global registry of acute coronary events risk score of all patients was 103.0+/-27.6. The number of stents per patient was 1.3+/-0.6. The incidences of MACE and definite stent thrombosis at 12 months were 3.9% and 0.2%, respectively. On multivariate Cox regression analysis, age >=65 years was identified as an independent predictors of 1-year MACE (hazard ratio=2.474; 95% confidence interval=1.202-5.091). Subgroup analyses revealed no significant differences in the incidence of MACE between patients with and without diabetes (4.3% vs. 3.7%, p=0.667), between those who presented with and without AMI (4.4% vs. 3.4%, p=0.403), and between those with and without MVD (4.6% vs. 3.5%, p=0.387). CONCLUSION: Our study demonstrated excellent 1-year clinical outcomes of BES implantation in patients at low-risk for ACS. PMID- 29214781 TI - Adipogenic and Lipolytic Effects of Ascorbic Acid in Ovariectomized Rats. AB - PURPOSE: Ascorbic acid has been reported to have an adipogenic effect on 3T3-L1 preadipocytes, while evidence also suggests that ascorbic acid reduces body weight in humans. In this study, we tested the effects of ascorbic acid on adipogenesis and the balance of lipid accumulation in ovariectomized rats, in addition to long-term culture of differentiated 3T3-L1 adipocytes. MATERIALS AND METHODS: Murine 3T3-L1 fibroblasts and ovariectomized rats were treated with ascorbic acid at various time points. In vitro adipogenesis was analyzed by Oil Red O staining, and in vivo body fat was measured by a body composition analyzer using nuclear magnetic resonance. RESULTS: When ascorbic acid was applied during an early time point in 3T3-L1 preadipocyte differentiation and after bilateral ovariectomy (OVX) in rats, adipogenesis and fat mass gain significantly increased, respectively. However, lipid accumulation in well-differentiated 3T3 L1 adipocytes showed a significant reduction when ascorbic acid was applied after differentiation (10 days after induction). Also, oral ascorbic acid administration 4 weeks after OVX in rats significantly reduced both body weight and subcutaneous fat layer. In comparison to the results of ascorbic acid, which is a well-known cofactor for an enzyme of collagen synthesis, and the antioxidant ramalin, a potent antioxidant but not a cofactor, showed only a lipolytic effect in well-differentiated 3T3-L1 adipocytes, not an adipogenic effect. CONCLUSION: Taking these results into account, we concluded that ascorbic acid has both an adipogenic effect as a cofactor of an enzymatic process and a lipolytic effect as an antioxidant. PMID- 29214782 TI - Effect of Family History of Diabetes on Hemoglobin A1c Levels among Individuals with and without Diabetes: The Dong-gu Study. AB - PURPOSE: We investigated associations between family history of diabetes (FHD) and hemoglobin A1c (HbA1c) level, among people with and without diabetes. MATERIALS AND METHODS: In total, 7031 people without diabetes and 1918 people with diabetes who participated in the Dong-gu Study were included. Data on FHD in first-degree relatives (father, mother, and siblings) were obtained. Elevated HbA1c levels in people without diabetes and high HbA1c levels in people with diabetes were defined as the highest quintiles of HbA1c >=5.9% and >=7.9%, respectively. RESULTS: In people without diabetes, the odds of elevated HbA1c levels [odds ratio (OR) 1.34, 95% confidence interval (CI) 1.13-1.59] were significantly greater in people with any FHD than in those without. Specifically, the odds of elevated HbA1c levels in people without diabetes with an FHD involving siblings were greater than in those without an FHD involving siblings. Additionally, in people with diabetes, the odds of high HbA1c levels (OR 1.33, 95% CI 1.02-1.72) were greater in people with any FHD than in those without such history. Moreover, people with diabetes with maternal FHD had increased odds of high HbA1c levels. CONCLUSION: FHD was associated not only with high HbA1c levels in people with diabetes, but also with elevated HbA1c levels in people without diabetes. PMID- 29214783 TI - Effective Tidal Volume for Normocapnia in Very-Low-Birth-Weight Infants Using High-Frequency Oscillatory Ventilation. AB - PURPOSE: Removal of CO2 is much efficient during high-frequency oscillatory ventilation (HFOV) for preterm infants. However, an optimal carbon dioxide diffusion coefficient (DCO2) and tidal volume (VT) have not yet been established due to much individual variance. This study aimed to analyze DCO2 values, VT, and minute volume in very-low-birth-weight (VLBW) infants using HFOV and correlates with plasma CO2 (pCO2). MATERIALS AND METHODS: Daily respiratory mechanics and ventilator settings from twenty VLBW infants and their two hundred seventeen results of blood gas analysis were collected. Patients were treated with the Drager Babylog VN500 ventilator (Dragerwerk Ag & Co.) in HFOV mode. The normocapnia was indicated as pCO2 ranging from 45 mm Hg to 55 mm Hg. RESULTS: The measured VT was 1.7 mL/kg, minute volume was 0.7 mL/kg, and DCO2 was 43.5 mL2/s. Mean results of the blood gas test were as follows: pH, 7.31; pCO2, 52.6 mm Hg; and SpO2, 90.5%. In normocapnic state, the mean VT was significantly higher than in hypercapnic state (2.1+/-0.5 mL/kg vs. 1.6+/-0.3 mL/kg), and the mean DCO2 showed significant difference (68.4+/-32.7 mL2/s vs. 32.4+/-15.7 mL2/s). The DCO2 was significantly correlated with the pCO2 (p=0.024). In the receiver operating curve analysis, the estimated optimal cut-off point to predict the remaining normocapnic status was a VT of 1.75 mL/kg (sensitivity 73%, specificity 80%). CONCLUSION: In VLBW infants treated with HFOV, VT of 1.75 mL/kg is recommended for maintaining proper ventilation. PMID- 29214784 TI - Contrast-Induced Acute Kidney Injury after Coil Embolization for Aneurysmal Subarachnoid Hemorrhage. AB - PURPOSE: Contrast-induced acute kidney injury (CI-AKI) is associated with poor outcomes after percutaneous coronary intervention. However, CI-AKI has rarely been evaluated within the neurovascular field. The aim of this study was to investigate the incidence and clinical implication of CI-AKI after coil embolization in patients with an aneurysmal subarachnoid hemorrhage (aSAH). MATERIALS AND METHODS: Between January 2005 and March 2016, 192 patients who underwent coil embolization were enrolled in this study. CI-AKI was defined as an increase from baseline serum creatinine concentration of >25% or >0.5 mg/dL within 72 hours after coil embolization. A poor clinical outcome was defined as a score of >=3 on the modified Rankin Scale at one-year post-treatment. RESULTS: A total of 16 patients (8.3%) died as a result of medical problems within one year. CI-AKI was identified in 14 patients (7.3%). Prominent risk factors for one-year mortality included CI-AKI [odds ratio (OR): 16.856; 95% confidence interval (CI): 3.437-82.664] and an initial Glasgow Coma Scale (GCS) score <=8 (OR: 5.565; 95% CI: 1.703-18.184). A poor clinical outcome was associated with old age (>=65 years) (OR: 7.921; 95% CI: 2.977-21.076), CI-AKI (OR: 11.281; 95% CI: 2.138 59.525), an initial GCS score <=8 (OR 31.02; 95% CI, 10.669-90.187), and a ruptured aneurysm (p=0.016, OR: 4.278) in posterior circulation. CONCLUSION: CI AKI seems to be an independent predictor of the overall outcomes of aSAH after endovascular treatment. PMID- 29214785 TI - Clinical Outcomes of Low-Dose Methotrexate Therapy as a Second-Line Drug for Intravenous Immunoglobulin-Resistant Kawasaki Disease. AB - PURPOSE: Intravenous immunoglobulin (IVIG) is the standard treatment for Kawasaki disease (KD). However, there is still no standard treatment for IVIG-resistant KD. This study aimed to evaluate the efficacy of low-dose methotrexate (MTX) as a treatment for IVIG-resistant KD. MATERIALS AND METHODS: We retrospectively analyzed 10-year data for patients with IVIG-resistant KD who were administered MTX at Severance Children's Hospital. RESULTS: The subjects included 75 patients with KD aged 5 months to 9.2 years who had been administered MTX. Their maximum body temperatures decreased significantly within 24 h of therapy. The patients' C reactive protein levels were significantly lower 1 week after administering the first dose of MTX than those before treatment. No adverse effect for MTX was observed. CONCLUSION: MTX treatment of IVIG-resistant KD resulted in rapid defervescence, improvement of clinical symptoms, and normalization of acute-phase reactants in all patients. Thus, MTX could be a candidate treatment for IVIG resistant KD. PMID- 29214786 TI - ITPKC and SLC11A1 Gene Polymorphisms and Gene-Gene Interactions in Korean Patients with Kawasaki Disease. AB - PURPOSE: Kawasaki disease (KD) is an acute systemic vasculitis. Both the etiology of KD and the erythema of Bacille Calmette-Guerin (BCG) injection sites observed in the disease are poorly understood. We investigated the association between KD and single nucleotide polymorphisms (SNPs) in two candidate genes: inositol 1,4,5 triphosphate 3-kinase (ITPKC), a well-studied KD-associated gene, and solute carrier 11a1 (SLC11A1), which is associated with the hypersensitive reaction to the BCG strain in Koreans. MATERIALS AND METHODS: Associations between KD and SNPs in two genes were evaluated. Potential associations between BCG injection site erythema and SNPs in two genes were also evaluated. Gene-gene interactions between ITPKC and SLC11A1 in KD and BCG injection site erythema were also analyzed. RESULTS: Three tagging SNPs in ITPKC and five tagging SNPs in SLC11A1 were genotyped in 299 KD patients and 210 control children. SNP rs28493229 in ITPKC was associated with KD and coronary artery complications. SNP rs77624405 in SLC11A1 was associated with KD. Comparisons of KD patients with and without BCG injection site erythema revealed that SNP rs17235409 in SLC11A1 was associated with erythema; no erythema-associated SNPs in ITPKC were identified. Interactions between ITPKC rs28493229_GG and SLC11A1 rs17235409_GA and between ITPKC rs10420685_GG and SLC11A1 rs17235409_AA were strongly associated with BCG injection site erythema. CONCLUSION: This study identified several important polymorphisms in the ITPKC and SLC11A1 genes in Koreans. The genetic variants identified in this study affected KD and erythema of BCG injection sites independently and through gene-gene interactions. Also, the effects of the polymorphisms were age-dependent. PMID- 29214787 TI - Myocardial Layer-Specific Strain Analysis in Children with Mitochondrial Disease. AB - PURPOSE: Children with mitochondrial disease (MD) have clinical phenotypes that are more severe than those found in adults. In this study, we assessed cardiac function in children with MD using conventional and advanced echocardiographic measurements, explored any unique patterns present, and investigated the development of early cardiomyopathy (CMP). MATERIALS AND METHODS: We retrospectively reviewed the medical records of 33 children with MD. All patients underwent transthoracic echocardiography with conventional and advanced myocardial analysis. We compared all data between patients and an age-matched healthy control group. RESULTS: Conventional echocardiographic diastolic measurements of mitral E, E/A, and tissue Doppler E' were significantly lower and E/E' was significantly higher in children with MD, compared with the measurements from the control group. There was no significant difference in longitudinal and radial strain between the groups. Circumferential strain in the endocardium (p=0.161), middle myocardium (p=0.008), and epicardium (p=0.042) were lower in patients, compared to the values in controls. Circumferential strain was correlated with E' (p<0.01, r>0.60). CONCLUSION: In children with MD, myocardial circumferential strain may develop early in all three layers, even with normally preserved longitudinal and radial strain. This may be an early diagnostic indicator with which to predict CMP in this patient population. PMID- 29214788 TI - Asymmetry of Peak Thicknesses between the Superior and Inferior Retinal Nerve Fiber Layers for Early Glaucoma Detection: A Simple Screening Method. AB - PURPOSE: To assess whether the asymmetry in the peripapillary retinal nerve fiber layer (pRNFL) thickness between superior and inferior hemispheres on optical coherence tomography (OCT) is useful for early detection of glaucoma. MATERIALS AND METHODS: The patient population consisted of Training set (a total of 60 subjects with early glaucoma and 59 normal subjects) and Validation set (30 subjects with early glaucoma and 30 normal subjects). Two kinds of ratios were employed to measure the asymmetry between the superior and inferior pRNFL thickness using OCT. One was the ratio of the superior to inferior peak thicknesses (peak pRNFL thickness ratio; PTR), and the other was the ratio of the superior to inferior average thickness (average pRNFL thickness ratio; ATR). The diagnostic abilities of the PTR and ATR were compared to the color code classification in OCT. Using the optimal cut-off values of the PTR and ATR obtained from the Training set, the two ratios were independently validated for diagnostic capability. RESULTS: For the Training set, the sensitivities/specificities of the PTR, ATR, quadrants color code classification, and clock-hour color code classification were 81.7%/93.2%, 71.7%/74.6%, 75.0%/93.2%, and 75.0%/79.7%, respectively. The PTR showed a better diagnostic performance for early glaucoma detection than the ATR and the clock-hour color code classification in terms of areas under the receiver operating characteristic curves (AUCs) (0.898, 0.765, and 0.773, respectively). For the Validation set, the PTR also showed the best sensitivity and AUC. CONCLUSION: The PTR is a simple method with considerable diagnostic ability for early glaucoma detection. It can, therefore, be widely used as a new screening method for early glaucoma. PMID- 29214789 TI - microRNA-183 is Essential for Hair Cell Regeneration after Neomycin Injury in Zebrafish. AB - PURPOSE: microRNAs (miRNAs) are non-coding RNAs composed of 20 to 22 nucleotides that regulate development and differentiation in various organs by silencing specific RNAs and regulating gene expression. In the present study, we show that the microRNA (miR)-183 cluster is upregulated during hair cell regeneration and that its inhibition reduces hair cell regeneration following neomycin-induced ototoxicity in zebrafish. MATERIALS AND METHODS: miRNA expression patterns after neomycin exposure were analyzed using microarray chips. Quantitative polymerase chain reaction was performed to validate miR-183 cluster expression patterns following neomycin exposure (500 MUM for 2 h). After injection of an antisense morpholino (MO) to miR-183 (MO-183) immediately after fertilization, hair cell regeneration after neomycin exposure in neuromast cells was evaluated by fluorescent staining (YO-PRO1). The MO-183 effect also was assessed in transgenic zebrafish larvae expressing green fluorescent protein (GFP) in inner ear hair cells. RESULTS: Microarray analysis clearly showed that the miR-183 cluster (miR 96, miR-182, and miR-183) was upregulated after neomycin treatment. We also confirmed upregulated expression of the miR-183 cluster during hair cell regeneration after neomycin-induced ototoxicity. miR-183 inhibition using MO-183 reduced hair cell regeneration in both wild-type and GFP transgenic zebrafish larvae. CONCLUSION: Our work demonstrates that the miR-183 cluster is essential for the regeneration of hair cells following ototoxic injury in zebrafish larvae. Therefore, regulation of the miR-183 cluster can be a novel target for stimulation of hair cell regeneration. PMID- 29214790 TI - Variants of Lipolysis-Related Genes in Korean Patients with Very High Triglycerides. AB - We investigated the prevalence and characteristics of variants of five lipolysis related genes in Korean patients with very high triglycerides (TGs). Twenty-six patients with TG levels >885 mg/dL were selected from 13545 Korean subjects. Five candidate genes, LPL, APOC2, GPIHBP1, APOA5, and LMF1, were sequenced by targeted next-generation sequencing. Predictions of functional effects were performed and matched against public databases of variants. Ten rare variants of three genes were found in nine (34.6%) patients (three in LPL, four in APOA5, and three in LMF1). Five were novel and all variants were suspected of being disease-causing. Nine were heterozygous, and one (3.8%) had a homozygous rare variant of LPL. Six common variants of four genes were observed in 25 (96.2%) patients (one in LPL, one in GPIHBP1, two in APOA5, and two in LMF1). The c.G41T variant of GPIHBP1 and c.G533T variant of APOA5 were most frequent and found in 15 (57.7%) and 14 (53.8%) patients, respectively. Rare homozygous variants of the genes were very uncommon, while diverse rare heterozygous variants were commonly identified. Taken together, most study subjects may be manifesting the combined effects of rare heterozygous variants and common variants. PMID- 29214791 TI - A Case of Schnitzler's Syndrome without Monoclonal Gammopathy-Associated Chronic Urticaria Treated with Anakinra. AB - Chronic urticaria may often be associated with interleukin (IL)-1-mediated autoinflammatory disease, which should be suspected if systemic inflammation signs are present. Here, we report a case of Schnitzler's syndrome without monoclonal gammopathy treated successfully with the IL-1 receptor antagonist anakinra. A 69-year-old man suffered from a pruritic urticarial rash for 12 years. It became aggravated episodically and was accompanied by high fever, arthralgia, leukocytosis, and an elevated C-reactive protein and erythrocyte sedimentation rate. The episodes each lasted for over one week. Neutrophilic and eosinophilic inflammation was found on skin biopsy. However, serum and urine electrophoresis showed no evidence of monoclonal gammopathy. The cutaneous lesions were unresponsive to various kinds of anti-histamines, systemic glucocorticoids, colchicine, cyclosporine, dapsone, and methotrexate, which were administered over a span of 3 years immediately preceding successful treatment. A dramatic response, however, was observed after a daily administration of anakinra. This observation suggests that the correct diagnosis of this case is Schnitzler's syndrome without monoclonal gammopathy. For an adult patient with refractory chronic urticaria and systemic inflammation, Schnitzler's syndrome could be considered as a possible differential diagnosis. Although the typical form of Schnitzler's syndrome exhibits the presence of monoclonal gammopathy as a diagnostic criterion, monoclonal gammopathy may be absent in an atypical form. In such a situation, an IL-1 antagonist should be effective for the management of chronic urticaria. PMID- 29214792 TI - Life-Threatening Thrombocytopenia Following Intravenous Contrast Media Infusion. AB - Radiocontrast media-induced acute severe thrombocytopenia is a very rare complication and potentially life-threatening. Here, we report the case of a 63 year-old male patient with severe acute thrombocytopenia following first exposure to intravenous non-ionic contrast media without immediate allergic reactions. His platelet count dropped from 107000/MUL to 2000/MUL after six hours of radiocontrast infusion. After administration of corticosteroid and transfusion of platelet concentrates, the platelet count returned gradually to normal within 5 days. To the best of our knowledge, non-ionic contrast media-induced isolated acute severe thrombocytopenia following no signs or symptoms of immediate allergic reaction has never been described. PMID- 29214793 TI - Mesocaval Shunt Creation for Jejunal Variceal Bleeding with Chronic Portal Vein Thrombosis. AB - The creation of transjugular intrahepatic portosystemic shunt (TIPS) is a widely performed technique to relieve portal hypertension, and to manage recurrent variceal bleeding and refractory ascites in patients where medical and/or endoscopic treatments have failed. However, portosystemic shunt creation can be challenging in the presence of chronic portal vein occlusion. In this case report, we describe a minimally invasive endovascular mesocaval shunt creation with transsplenic approach for the management of recurrent variceal bleeding in a portal hypertension patient with intra- and extrahepatic portal vein occlusion. PMID- 29214795 TI - Retraction: Paper "Comparison of the Effect of Vitamin K2 and Risedronate on Trabecular Bone in Glucocorticoid-Treated Rats: A Bone Histomorphometry Study" by Iwamoto J, et al. [Yonsei Med J 2009;50(2):189-194]. AB - [This retracts the article DOI: 10.3349/ymj.2009.50.2.189.]. PMID- 29214794 TI - Retraction: Paper "Comparison of Effects of Alendronate and Raloxifene on Lumbar Bone Mineral Density, Bone Turnover, and Lipid Metabolism in Elderly Women with Osteoporosis" by Iwamoto J, et al. [Yonsei Med J 2008;49(1):119-128]. AB - [This retracts the article DOI: 10.3349/ymj.2008.49.1.119.]. PMID- 29214796 TI - Grey matter correlates of autistic traits in women with anorexia nervosa AB - Background: Patients with anorexia nervosa exhibit higher levels of behaviours typically associated with autism-spectrum disorder (ASD), but the neural basis is unclear. We sought to determine whether elevated autistic traits in women with anorexia nervosa may be reflected in cortical morphology. Methods: We used voxel based morphometry (VBM) to examine regional grey matter volumes in high resolution MRI structural brain scans in women with anorexia nervosa and matched healthy controls. The Autism-spectrum Quotient (AQ) scale was used to assess autistic traits. Results: Women with anorexia nervosa (n = 25) had higher AQ scores and lower bilateral superior temporal sulcus (STS) grey matter volumes than the control group (n = 25). The AQ scores correlated negatively with average left STS grey matter volume in women with anorexia nervosa. Limitations: We did not control for cognitive ability and examined only women with ongoing anorexia nervosa. Conclusion: Elevated autistic traits in women with anorexia nervosa are associated with morphometric alterations of brain areas linked to social cognition. This finding provides neurobiological support for the behavioural link between anorexia nervosa and ASD and emphasizes the importance of recognizing autistic traits in preventing and treating -anorexia nervosa. PMID- 29214797 TI - High-throughput in Vitro Data To Inform Prioritization of Ambient Water Monitoring and Testing for Endocrine Active Chemicals. AB - The presence of industrial chemicals, consumer product chemicals, and pharmaceuticals is well documented in waters in the U.S. and globally. Most of these chemicals lack health-protective guidelines and many have been shown to have endocrine bioactivity. There is currently no systematic or national prioritization for monitoring waters for chemicals with endocrine disrupting activity. We propose ambient water bioactivity concentrations (AWBCs) generated from high throughput data as a health-based screen for endocrine bioactivity of chemicals in water. The U.S. EPA ToxCast program has screened over 1800 chemicals for estrogen receptor (ER) and androgen receptor (AR) pathway bioactivity. AWBCs are calculated for 110 ER and 212 AR bioactive chemicals using high throughput ToxCast data from in vitro screening assays and predictive pathway models, high throughput toxicokinetic data, and data-driven assumptions about consumption of water. Chemical-specific AWBCs are compared with measured water concentrations in data sets from the greater Denver area, Minnesota lakes, and Oregon waters, demonstrating a framework for identifying endocrine bioactive chemicals. This approach can be used to screen potential cumulative endocrine activity in drinking water and to inform prioritization of future monitoring, chemical testing and pollution prevention efforts. PMID- 29214798 TI - Gecko-Inspired Dry Adhesive Based on Micro-Nanoscale Hierarchical Arrays for Application in Climbing Devices. AB - The unusual ability of geckos to climb vertical walls underlies a unique combination of a hierarchical structural design and a stiffer material composition. While a dense array of microscopic hierarchical structures enables the gecko toe pads to adhere to various surfaces, a stiffer material (beta keratin) composition enables them to maintain reliable adhesion over innumerable cycles. This unique strategy has been seldom implemented in engineered dry adhesives because fabrication of high-aspect-ratio hierarchical structures using a stiffer polymer is challenging. Herein, we report the fabrication of high aspect-ratio hierarchical arrays on flexible polycarbonate sheets (stiffness comparable to that of beta-keratin) by a sacrificial-layer-mediated nanoimprinting technique. Dry-adhesive films comprising the hierarchical arrays showed a formidable shear adhesion of 11.91 +/- 0.43 N/cm2. Cyclic adhesion tests also showed that the shear adhesion of the adhesive films reduced by only about 20% after 50 cycles and remained nearly constant until about 200 cycles. Most importantly, the high-aspect-ratio hierarchical arrays were integrated onto the feet of a miniature robot and the locomotion on a 30 degrees inclined surface was demonstrated. PMID- 29214799 TI - Advanced Multiwavelength Detection in Analytical Ultracentrifugation. AB - This work highlights significant advancements in detector hardware and software for multiwavelength analytical ultracentrifugation (MWL-AUC) experiments, demonstrating improvement in both the spectral performance and UV capabilities of the instrument. The hardware is an extension of the Open AUC MWL detector developed in academia and first introduced in 2006 by Bhattacharya et al. Additional modifications as well as new analytical methods available for MWL data have since been reported. The present work describes new and continuing improvements to the MWL detector, including mirror source and imaging optics, UV sensitive acquisition modes and revised data acquisition software. The marked improvement of experimental data promises to provide access to increasingly complex systems, especially semiconductor nanoparticles, synthetic polymers, biopolymers, and other chromophores absorbing in the UV. Details of the detection system and components are examined to reveal the influences on data quality and to guide further developments. The benchmark comparisons of data quality across platforms will also serve as a reference guide for evaluation of forthcoming commercial absorbance optics. PMID- 29214800 TI - Cu(II)-Mediated Decarboxylative Trifluoromethylthiolation of alpha,beta Unsaturated Carboxylic Acids. AB - A tunable method for the direct trifluoromethylthiolation of alpha,beta unsaturated carboxylic acids was developed to afford trifluoromethylthiolated ketones or alkenes. The reaction proceeds smoothly under mild conditions and shows an excellent functional group tolerance. PMID- 29214801 TI - Increases of Total Mercury and Methylmercury Releases from Municipal Sewage into Environment in China and Implications. AB - As a globally transported pollutant, mercury (Hg) released from human activity and methylmercury (MeHg) in the food web are global concerns due to their increasing presence in the environment. In this study, we found that Hg released from municipal sewage into the environment in China is a substantial anthropogenic source based on mass sampling throughout China. In total, 160 Mg (140-190 Mg, from the 20th percentile to the 80th percentile) of Hg (THg) and 280 kg (240-330 kg) of MeHg were released from municipal sewage in China in 2015. The quantities of released THg and MeHg were the most concentrated in the coastal regions, especially in the East, North and South China regions. However, the per capita release of THg and MeHg was the highest in the Tibetan region, which is recognized as the cleanest region in China. THg released into aquatic environments was mitigated from 2001 to 2015 in China, but the amounts released into other sinks increased. This study provides the first picture of the release of Hg from municipal sewage into various sinks in China, and policy makers should pay more attention to the diversity and complexity of the sources and transport of Hg, which can lead to Hg accumulation in the food web and can threaten human health. PMID- 29214802 TI - Trimethylamine N-oxide Counteracts Urea Denaturation by Inhibiting Protein-Urea Preferential Interaction. AB - Osmolytes are small organic molecules that can modulate the stability and function of cellular proteins by altering the chemical environment of the cell. Some of these osmolytes work in conjunction, via mechanisms that are poorly understood. An example is the naturally occurring protein-protective osmolyte trimethylamine N-oxide (TMAO) that stabilizes cellular proteins in marine organisms against the detrimental denaturing effects of another naturally occurring osmolyte, urea. From a computational standpoint, our understanding of this counteraction mechanism is hampered by the fact that existing force fields fail to capture the correct balance of TMAO and urea interactions in ternary solutions. Using molecular dynamics simulations and Kirkwood-Buff theory of solutions, we have developed an optimized force field that reproduces experimental Kirkwood-Buff integrals. We show through the study of two model systems, a 15-residue polyalanine chain and the R2-fragment (273GKVQIINKKLDL284) of the Tau protein, that TMAO can counteract the denaturing effects of urea by inhibiting protein-urea preferential interaction. The extent to which counteraction can occur is seen to depend heavily on the amino acid composition of the peptide. PMID- 29214803 TI - Shear-Thinning and Thermo-Reversible Nanoengineered Inks for 3D Bioprinting. AB - Three-dimensional (3D) printing is an emerging approach for rapid fabrication of complex tissue structures using cell-loaded bioinks. However, 3D bioprinting has hit a bottleneck in progress because of the lack of suitable bioinks that are printable, have high shape fidelity, and are mechanically resilient. In this study, we introduce a new family of nanoengineered bioinks consisting of kappa carrageenan (kappaCA) and two-dimensional (2D) nanosilicates (nSi). kappaCA is a biocompatible, linear, sulfated polysaccharide derived from red algae and can undergo thermo-reversible and ionic gelation. The shear-thinning characteristics of kappaCA were tailored by nanosilicates to develop a printable bioink. By tuning kappaCA-nanosilicate ratios, the thermo-reversible gelation of the bioink can be controlled to obtain high printability and shape retention characteristics. The unique aspect of the nanoengineered kappaCA-nSi bioink is its ability to print physiologically-relevant-scale tissue constructs without requiring secondary supports. We envision that nanoengineered kappaCA nanosilicate bioinks can be used to 3D print complex, large-scale, cell-laden tissue constructs with high structural fidelity and tunable mechanical stiffness for regenerative medicine. PMID- 29214804 TI - Novel Biology and Druggable Targets via Chemoproteomics. PMID- 29214805 TI - Prediction of the Formation of Biogenic Nonextractable Residues during Degradation of Environmental Chemicals from Biomass Yields. AB - Degradation tests with radio or stable isotope labeled compounds enable the detection of the formation of nonextractable residues (NER). In PBT and vPvB assessment, remobilisable NER are considered as a potential risk while biogenic NER from incorporation of labeled carbon into microbial biomass are treated as degradation products. Relationships between yield, released CO2 (as indicator of microbial activity and mineralization) and microbial growth can be used to estimate the formation of biogenic NER. We provide a new approach for calculation of potential substrate transformation to microbial biomass (theoretical yield) based on Gibbs free energy and microbially available electrons. We compare estimated theoretical yields of biotechnological substrates and of chemicals of environmental concern with experimentally determined yields for validation of the presented approach. A five-compartment dynamic model is applied to simulate experiments of 13C-labeled 2,4-D and ibuprofen turnover. The results show that bioNER increases with time, and that most bioNER originates from microbial proteins. Simulations with precalculated input data demonstrate that precalculation of yields reduces the number of fit parameters considerably, increases confidence in fitted kinetic data, and reduces the uncertainty of the simulation results. PMID- 29214806 TI - Hierarchical Superhydrophobic Surfaces with Micropatterned Nanowire Arrays for High-Efficiency Jumping Droplet Condensation. AB - Self-propelled droplet jumping on nanostructured superhydrophobic surfaces is of interest for a variety of industrial applications including self-cleaning, water harvesting, power generation, and thermal management systems. However, the uncontrolled nucleation-induced Wenzel state of condensed droplets at large surface subcooling (high heat flux) leads to the formation of unwanted large pinned droplets, which results in the flooding phenomenon and greatly degrades the heat transfer performance. In this work, we present a novel strategy to manipulate droplet behaviors during the process from the droplet nucleation to growth and departure through a combination of spatially controlling initial nucleation for mobile droplets by closely spaced nanowires and promoting the spontaneous outward movement of droplets for rapid removal using micropatterned nanowire arrays. Through the optical visualization experiments and heat transfer tests, we demonstrate greatly improved condensation heat transfer characteristics on the hierarchical superhydrophobic surface including the higher density of microdroplets, smaller droplet departure radius, 133% wider range of surface subcooling for droplet jumping, and 37% enhancement in critical heat flux for jumping droplet condensation, compared to the-state-of-art jumping droplet condensation on nanostructured superhydrophobic surfaces. The excellent water repellency of such hierarchical superhydrophobic surfaces can be promising for many potential applications, such as anti-icing, antifogging, water desalination, and phase-change heat transfer. PMID- 29214807 TI - Self-Assembled Core-Shell CdTe/Poly(3-hexylthiophene) Nanoensembles as Novel Donor-Acceptor Light-Harvesting Systems. AB - The self-assembly of novel core-shell nanoensembles consisting of regioregular poly(3-hexylthiophene) nanoparticles (P3HTNPs) of 100 nm as core and semiconducting CdTe quantum dots (CdTeQDs) as shell with a thickness of a few tens of nanometers was accomplished by employing a reprecipitation approach. The structure, morphology, and composition of CdTeQDs/P3HTNPs nanoensembles were confirmed by high-resolution scanning transmission microscopy and dynamic light scattering studies. Intimate interface contact between the CdTeQDs shell and the P3HTNPs core leads to the stabilization of the CdTeQDs/P3HTNPs nanoensemble as probed by the steady-state absorption spectroscopy. Effective quenching of the characteristic photoluminescence of CdTeQDs at 555 nm, accompanied by simultaneous increase in emission of P3HTNPs at 660 and 720 nm, reveals photoinduced charge-transfer processes. Probing the redox properties of films of CdTeQDs/P3HTNPs further proves the formation of a stabilized core-shell system in the solid state. Photoelectrochemical assays on CdTeQDs/P3HTNPs films show a reversible on-off photoresponse at a bias voltage of +0.8 V with a 3 times increased photocurrent compared to CdTeQDs. The improved charge separation is directly related to the unique core-shell configuration, in which the outer CdTeQDs shell forces the P3HTNPs core to effectively act as electron acceptor. The creation of novel donor-acceptor core-shell hybrid materials via self assembly is transferable to other types of conjugated polymers and semiconducting nanoparticles. This work, therefore, opens new pathways for the design of improved optoelectronic devices. PMID- 29214808 TI - Investigation of Cytotoxic Activity of Mitoxantrone at the Individual Cell Level by Using Ionic-Liquid-Tag-Enhanced Mass Spectrometry. AB - A novel mitoxantrone conjugate was synthesized by coupling mitoxantrone with ionic liquid tags, and cytotoxic behavior of the designed conjugate was studied in normal and cancer cell lines. The synthesized mitoxantrone conjugate was oil at physiological temperatures and demonstrated high aqueous solubility. Sensitivity of electrospray ionization mass spectrometry (ESI-MS) to the mitoxantrone conjugate was improved by an order of magnitude, in comparison with original mitoxantrone dihydrochloride. The observed ESI-MS signals were shifted to a "clearer" lower-mass region of the spectrum, which allowed investigation of the drug at the level of individual cells. The ionic liquid tags proposed in the present work consist of an easily available imidazolium salt residue and show a number of key advantages from the points of view of drug conjugate synthesis, drug delivery and analytic detection. PMID- 29214810 TI - The Nation's Disaffected and Workplace Health Promotion. PMID- 29214809 TI - Trajectories of Cigarette Smoking From Teens to Young Adulthood: 2000 to 2013. AB - PURPOSE: To identify trajectories of smoking behaviors of a cohort of youth followed through young adulthood from 2000 to 2013. DESIGN: The Minnesota Adolescent Community Cohort study, a population-based cohort study. SETTING: Nationwide, originating in the Midwestern United States. PARTICIPANTS: Cohort of youth surveyed for 14 years beginning at ages 12 to 16 (N = 4241 at baseline; 59% recruitment rate). MEASURES: Main variable of interest was the number of days smoked in the past 30 days. Also included time-varying and time-invariant covariates. ANALYSIS: We utilized growth mixture modeling to group individuals into trajectories over time. RESULTS: We identified 5 distinct trajectories: nonsmokers (59.5%), early-onset regular smokers (14.2%), occasional smokers (11.5%), late-onset regular smokers (9.4%), and quitters (5.3%). Adjusted models showed that early- and late-onset regular smokers (compared to nonsmokers) had lower odds of attending or graduating from a 4-year college ( P < .05). Participants in all smoking classes compared to nonsmokers had greater odds of having more close friends who smoked ( P < .05). CONCLUSION: Our results show that individuals in their teens through young adulthood can be classified into 5 smoking trajectories. More people in this age range remained abstainers than found in most previous studies; however, a sizable group was identified as regular smokers by the time they reached young adulthood. Interventions targeted at teens, including those that address social and environmental influences, are clearly still needed to prevent escalation of smoking as they move toward young adulthood. PMID- 29214811 TI - Rural-Urban Disparities in Obesity Prevalence Among Working Age Adults in the United States: Exploring the Mechanisms. AB - PURPOSE: Higher prevalence rates of overweight and obesity in rural America have been consistently reported, but sources of these disparities are not well known. This study presented patterns and mechanisms of these disparities among working age Americans. DESIGN: Cross-sectional study. SETTING: United States of America. PARTICIPANTS: The study included 10 302 participants of the 2003-2008 National Health and Nutrition Examination Survey (NHANES) who were 20 to 64 years old, not pregnant, and with a body mass index ranging from 18.5 to 60. MEASURES: Individual-level data were from NHANES including age, gender, race/ethnicity, immigrant status, education, and family income. The outcomes were prevalence of obesity and prevalence of overweight and obesity combined. Neighborhood data were constructed from the 2000 US Census providing tract-level information on family median income and built environmental features and from the 2006 ESRI ArcGIS 9.3 Data DVD providing tract-level park location information. ANALYSIS: Geographic information system (GIS) methods were used to create a measure of spatial distance to local parks capturing park accessibility. Random intercept logistic and ordinal logit regression analyses were performed. FINDINGS: Multivariate regression results showed that the odds of obesity was higher in rural areas compared to urban areas (odds ratio = 1.358, P < .001) net of demographic controls and that this gap was largely attributable to individual educational attainment and neighborhood median household income and neighborhood built environmental features. After controlling for these hypothesized mediators, the elevated odds associated with rural residence was reduced by nearly 94% and rendered statistically insignificant. CONCLUSIONS: In this nationally representative cross-sectional sample, rural-urban obesity disparities were large and explained by rural-urban educational differences at the individual level and economic and built environmental differences at the neighborhood level. PMID- 29214812 TI - Prevalence and Implementation Practices of School Salad Bars Across Grade Levels. AB - PURPOSE: To assess the prevalence of school salad bars in Arizona and to describe common practices of salad bar use among school nutrition managers across grade level. DESIGN: Cross-sectional web-based surveys. PARTICIPANTS: School nutrition managers from elementary, middle, high, and K-12 schools (N = 648). MEASURES: Prevalence of salad bars; implementation practices such as years with salad bar, salad bar type, location, monitor, and reimbursement practices; and food-related components of salad bars including frequency of items, popular items, and sources of food. ANALYSIS: Descriptive analyses were conducted including Fisher exact test, analysis of variance, and the Kruskal-Wallis test comparing practices across grade level (elementary, middle, high, and K-12 schools). RESULTS: Overall, 61.1% of respondents had a salad bar; there were significant differences in the prevalence across grade level: elementary, middle, high, and K-12 schools had prevalence of 67.3%, 75.0%, 45.5%, and 51.1%, respectively ( P < .001). We observed significant differences in the implementation and food-related components of salad bars across grade levels including type, salad bar location, sources of food, and frequency of serving cut vegetables. CONCLUSION: This study provides insights on the prevalence of salad bars and is the first to report on implementation practices of school salad bars. These results may also guide the development of interventions for nutrition educators to use for the promotion fruit and vegetable consumption via school salad bars. PMID- 29214813 TI - Development, Implementation, and Evaluation of Active Lions: A Campaign to Promote Active Travel to a University Campus. AB - PURPOSE: To outline the development, implementation, and evaluation of a multistrategy intervention to promote active transportation, on a large university campus. DESIGN: Single group pilot study. SETTING: A large university in the Northeastern United States. PARTICIPANTS: University students (n = 563), faculty and staff (employees, n = 999) were included in the study. INTERVENTION: The Active Lions campaign aimed to increase active transportation to campus for all students and employees. The campaign targeted active transport participation through the development of a smartphone application and the implementation of supporting social marketing and social media components. MEASURES: Component specific measures included app user statistics, social media engagement, and reach of social marketing strategies. Overall evaluation included cross-sectional online surveys preintervention and postintervention of student and employee travel patterns and campaign awareness. ANALYSIS: Number of active trips to campus were summed, and the percentage of trips as active was calculated. T tests compared the differences in outcomes from preintervention to postintervention. RESULTS: Students had a higher percentage of active trips postintervention (64.2%) than preintervention (49.2%; t = 3.32, P = .001), although there were no differences for employees (7.9% and 8.91%). Greater awareness of Active Lions was associated with greater active travel. CONCLUSION: This multistrategy approach to increase active transportation on a college campus provided insight on the process of developing and implementing a campaign with the potential for impacting health behaviors among campus members. PMID- 29214814 TI - Barriers to Engagement in a Workplace Weight Management Program: A Qualitative Study. AB - PURPOSE: To investigate (1) why some participants in a workplace weight management program were more engaged in the program, (2) specific barriers and facilitators for engagement and weight loss, and (3) suggest how workplaces may better engage employees in these programs to improve their effectiveness. DESIGN: Qualitative study (8 focus groups). SETTING: A large academic university and medical system. PARTICIPANTS: Twenty-six (5%) of the 550 employees who participated in a weight management program as part of the Steps to Health study. MEASURES: A trained moderator guided the audio-recorded focus groups. ANALYSIS: Transcripts were analyzed using the directed content analysis approach. RESULTS: Participants faced numerous barriers to engagement in workplace weight management programs, both within and outside the workplace. Participants viewed the coaches positively and reported that the coaches had a strong influence on their engagement in the program. Participants suggested increased frequency and variety of contact by coaches, on-site group exercise classes, and tailored educational materials. CONCLUSION: Workplace weight management programs may be improved by being more flexible around participants' schedules and changing needs, by increasing access to affordable, convenient exercise facilities, and by implementing institutional changes that encourage healthy eating and physical activity during the workday. Employers should measure program engagement and solicit participant feedback to ensure that the programs are appropriate and delivered in an optimal manner. PMID- 29214815 TI - Using the Theory of Planned Behavior to Guide Focus Group Development of Messages Aimed at Increasing Compliance With a Tobacco-Free Policy. AB - PURPOSE: This study details the persuasive message development for a theory-based campaign designed to increase compliance with a university's tobacco-free policy. APPROACH: The theory of planned behavior (TPB) guided message design and evaluation for focus group-tested messages that were adapted to the context of complying with a tobacco-free policy. SETTING: The study was conducted at a university located in the tobacco belt. PARTICIPANTS: Undergraduate focus group participants (n = 65) were mostly male (69%), white (82%), and freshman (62%) who smoked at least 1 cigarette in the last 30 days; on-campus smoking percentages were never/rare (60%), occasionally (23%), and often/frequently (16%). METHOD: Data analysis used a theoretical thematic approach to identify how the TPB constructs related to perceptions of message effectiveness. RESULTS: Participants responded favorably to attitudinal strategies about health, respect, and university figures; they rejected approaches they considered juvenile and offensive. They also discussed the impact of noncompliance and avoiding overgeneralized statements for addressing subjective norms, suggesting shortening text, adjusting picture location, and emphasizing the importance of compliance to increase perceptions of behavioral control. CONCLUSION: Applying theory to preexisting messages is challenging. The design approach in this study is an evidence-based strategy that can be used as a universal process for message adaptation. Results offer health promotion suggestions for designing messages aimed at improving undergraduate smokers' willingness to comply with tobacco-free campus policies. PMID- 29214816 TI - Left ventricular free wall rupture after surgery for ventricular septal rupture. AB - A 67-year-old man presented with late left ventricular free wall rupture 1 month after an extended sandwich technique through a right ventricular incision for ventricular septal rupture following an inferoposterior acute myocardial infarction. We found that residual infarcted myocardium had led to left ventricular aneurysm formation. A pericardial patch on the left ventricular side at the initial operation should have been secured further from the septal defect using a larger needle. A patch on the left ventricular side is important for complete exclusion of a free wall infarction and for decreasing the stress on the suture line securing the patch. PMID- 29214817 TI - Do Monetary Incentives Increase Fitness Center Utilization? It Depends. AB - PURPOSE: To examine the effects of an employer-based monetary incentive program on membership termination and usage at a fitness center. DESIGN: Retrospective nested case-control study examining the relationship between participation in an incentive program, visits to the fitness center, and membership termination at 1 year. SETTING: University-based fitness center. PARTICIPANTS: Members (N = 1122) of a university-based fitness center. INTERVENTION: Members were offered either a US$25 incentive for each month they visited the fitness center at least 10 times or no incentive. MEASURES: Data were extracted from the membership database and included membership termination at 1 year (yes, no), length of membership (days), participation in the incentive program (yes, no), and visits to the fitness center per month. ANALYSIS: Cox proportional hazards model. RESULTS: Members in the incentive program visited the fitness center on average more times per month (5.3 vs 4.3; P < .0001) but were significantly more likely to terminate memberships at 1 year compared to members who did not receive the incentive (38% vs 31%; P = .013). After controlling for relevant covariates, members who received the incentive had a 24% greater hazard of terminating their memberships compared to members who did not receive the incentive (hazard ratio [HR] = 1.24; P = .041). After controlling for the number of visits per month, the incentive program was no longer significantly related to membership termination (HR = 1.21; P = .07). CONCLUSION: Being in a monetary incentive program to attend a fitness center may be initially associated with a greater fitness center utilization but may not be associated with a reduced risk of membership termination. PMID- 29214818 TI - Colorectal Cancer Screening Completion Among Individuals With and Without Mental Illnesses: A Comparison of 2 Screening Methods. AB - PURPOSE: Cancer mortality is worse among people with psychiatric disorders. The purpose of this study was to compare facilitators and rates of colorectal cancer (CRC) screening between people with and without mental illnesses. DESIGN: We conducted a secondary analysis using data from a general population cohort study (N = 92 445) that assessed effects of 2 types of CRC screening test kits-guaiac fecal occult blood testing (gFOBT) and fecal immunochemical testing (FIT)-on CRC screening completion. SETTING: The setting was a health system that served approximately 485 000 members in urban and suburban Oregon and Washington. PARTICIPANTS: Participants were health system members, categorized by mental illness diagnosis (psychotic disorders, non-psychotic unipolar depression, and no mental illness), who were age-eligible, at average risk of CRC, and were at least 366 days past their last gFOBT with no evidence of other CRC screening. MEASURES: The outcome was time until completion of CRC screening. ANALYSIS: We used Cox proportional hazard models. RESULTS: FIT reduced CRC screening barriers for all the groups. Compared to people without mental illness diagnoses, those with psychotic disorders were equally likely to screen using FIT (hazard ratio [HR] = .95, p = .679) and those with depression were more likely (HR = 1.17, p = .006). CONCLUSIONS: FIT can improve CRC screening rates among people with mental illnesses, particularly depression. PMID- 29214819 TI - The Influence of Weight Status Duration on Weight Perception Accuracy. AB - PURPOSE: To examine the association between weight status duration and weight perception accuracy. DESIGN: Retrospective study. SETTING: National Health and Nutrition Examination Survey 2003 to 2006. SAMPLE: A total of 4029 adults aged 20 years or older. MEASURES: To assess weight status duration, participants' past (10 years ago) and present body mass indexes were used to create 4 groups: normal weight in the past and present (group 1), normal weight in the past but overweight/obese in the present (group 2), overweight/obese in the present but not in the past (group 3), and overweight/obese in the past and present (group 4). We classified individuals as having an accurate/inaccurate weight perception based on present body mass index and whether they considered themselves as overweight, underweight, or about the right weight. ANALYSIS: Logistic regression. RESULTS: Our findings suggest that participants who were overweight/obese in the past, present, or during both time periods had increased odds of possessing an inaccurate weight perception. Furthermore, being normal weight in the past but obese in the present increased the odds of having an inaccurate weight perception nearly 10-fold and almost 5-fold for those obese in both the past and present. CONCLUSION: Studies such as this can aid clinicians in identifying individuals who may have increased odds of inaccurately identifying their weight status, thereby providing additional opportunities to facilitate weight loss. PMID- 29214820 TI - Weight Management Behaviors Among Mexican American Youth: Cross-Sectional Variation by Timing of Growth and Maturation. AB - PURPOSE: To assess the association between growth and maturation with weight management behaviors (WMBs) among Mexican American youth. DESIGN: A cross sectional design was used to measure timing of growth and maturation as well as WMBs. SAMPLE: Students were recruited through physical education classes in south Texas schools. The sample included 623 participants (52.3% female; 49.8% with weight >=85th percentile) in grades 4 through 12. Students in middle school were purposely oversampled to examine questions around timing of growth and maturation. MEASURES: Growth was measured as maturity offset, an estimate of age at peak height velocity (PHV). Maturity offset is derived from chronological age, height, and sitting height measurements. Participants were classified as pre-PHV or post-PHV. Girls also were categorized as premenarche or early, average, or late maturing based on age at menarche. Weight was measured to calculate body mass index (BMI) percentile. Weight management behavior and timing of menarche were self-reported via a survey. ANALYSIS: Descriptive characteristics were calculated for boys and girls separately. chi2 Tests of proportion were used to test WMB by BMI percentile. Logistic regression analyses were conducted to examine the likelihood of engaging in WMB by maturity offset and, for girls, timing of menarche. RESULTS: Students with weight >=85th percentile were more likely to describe themselves as overweight and report trying to lose weight through exercise or calorie restriction ( P < .0001). A 1-year increase in maturity offset was associated with youth being 31% more likely to perceive themselves as overweight but less likely to report calorie restriction (odds ratio [OR] = 0.87). Average maturing girls were more likely than premenarcheal girls to exercise, restrict calories, or fast to lose weight (OR = 3.27, 2.11, and 3.27, respectively). CONCLUSION: Mexican American youth are engaging in WMB, even when their weight status is <85th percentile. The appropriateness of weight management counseling may need to consider a child's stage of growth. PMID- 29214821 TI - "At First I Couldn't Catch My Breath": Process and Strategies for Managing Chronic Obstructive Pulmonary Disease. AB - In this article, we describe the process and strategies that study participants living with chronic obstructive pulmonary disease in central Canada utilized to manage and live well with their illness and its associated symptoms. Drawing on interpretive phenomenology, we interviewed eight participants three times, followed by a member checking focus group and individual interviews. We analyzed interview transcripts using detailed line by line analysis. Our findings suggest participants engaged in a challenging process of recognizing that changes had occurred and then coming to terms with these changes by acknowledging the severity of their condition and the resulting limitations. Then, participants drew upon several strategies to minimize feelings of breathlessness, including taking care of themselves, managing risk, and altering behavior. Participants acknowledged the challenges inherent to this process, yet described how they were able to live well with chronic obstructive pulmonary disease through their adaptations. PMID- 29214822 TI - Meeting Sleep Guidelines Is Associated With Better Health-Related Quality of Life and Reduced Premature All-Cause Mortality Risk. AB - PURPOSE: To examine whether meeting sleep guidelines (7-9 hours/night) is associated with better health-related quality of life (HRQOL) and reduced all cause mortality risk. DESIGN: Prospective cohort study. SETTING: 2005 to 2010 National Health and Nutrition Examination Survey. PARTICIPANTS: A total of 13 423 adults. MEASURES: Sleep duration and HRQOL were assessed from self-report; covariates assessed via survey, examination, and laboratory data; and mortality assessed through 2011 via matching from the National Death Index. ANALYSIS: Cox proportional hazard regression and ordinal logistic regression. RESULTS: After adjusting for age, gender, race-ethnicity, body mass index, education, smoking, white blood cell level, iron level, red blood cell distribution width, mean platelet volume, blood pressure, diabetes, coronary artery disease, physical activity, and depression, those meeting sleep guidelines had an 19% reduced risk of premature all-cause mortality (hazard ratio = 0.81; 95% confidence interval [CI]: 0.67-0.99; P = .04). After adjustments, those meeting sleep guidelines had better HRQOL (beta = -0.30; 95% CI: -0.38 to -0.21; P < .001). Results for the ordinal regression and Cox proportional analyses were similar in unadjusted and minimally adjusted models. CONCLUSION: Obtaining optimal levels of sleep is associated with better HRQOL and reduced premature mortality risk, independent of demographic, behavioral, and biological conditions. These findings underscore the importance of achieving optimal levels of sleep. PMID- 29214824 TI - Surgical challenge in situs inversus with dextrocardia and Lutembacher syndrome. AB - Situs inversus with dextrocardia and Lutembacher syndrome is a rare cardiac anomaly. It is associated with other complex cardiac anomalies and anatomical defects. A 30-year-old woman with this condition underwent mitral valve replacement and closure of a secundum atrial septal defect. We describe the surgical approach, position of the surgeon, and bicaval cannulation technique for this anatomical aberration. PMID- 29214825 TI - Effects of Pride and Regret on Geriatric Depression: A Cross-Cultural Study With Mixed-Methods Approaches. AB - Pride and regret are self-conscious emotions that develop later in life and become a source of emotional struggle. This cross-cultural study examined the effect of the content and intensity of self-conscious emotions on Geriatric Depression Scale (GDS) scores. Among a convenience sample of 234 older adults (130 in the United States and 104 in South Korea), the contents and intensities of both life regrets and pride were examined. Although a greater variety of regrets was cited by Americans, overall Korean respondents reported higher intensity of regret. Regrets that were related to leisure and addiction among Americans and health and career among Koreans were predictors of the GDS scores. Pride in leisure activities for Americans and altruism among Koreans could alleviate depression. While regrets and pride explained a small amount of the variance in the GDS scores, current life stressors greatly contributed to geriatric depression. PMID- 29214826 TI - Effects of a Sedentary Intervention on Cognitive Function. AB - PURPOSE: To examine the effects of a free-living, sedentary-inducing intervention on cognitive function. DESIGN: Randomized controlled, parallel group intervention. SETTING: University campus. PARTICIPANTS: Thirty-three young adults (n = 23 intervention; n = 10 control). MEASURES: The intervention group was asked to eliminate all exercise and minimize steps to <=5000 steps/day for 1 week, whereas the control group was asked to continue normal physical activity (PA) levels for 1 week. Both groups completed a series of 8 cognitive function assessments (assessing multiple parameters of cognition) preintervention and immediately postintervention. The intervention group was asked to resume normal PA levels for 1 week postintervention and completed the cognitive assessments for a third time at 2 weeks postintervention. ANALYSIS: Split-plot repeated-measures analysis of variance. RESULTS: The results of our statistical analyses showed that the group * time interaction effect was not significant ( P > .05) for any of the evaluated cognitive parameters. CONCLUSION: These findings demonstrate the need for future experimental investigations of sedentary behavior to better understand its effects on cognitive function. However, although previous work has demonstrated favorable effects of acute and chronic PA on cognitive function, our findings suggest that a 1-week period of reduced PA does not detrimentally affect cognitive function, which may have encouraging implications for individuals going through a temporary relapse in PA. PMID- 29214827 TI - The Impact of Protective Behavioral Strategy Use Frequency on Blood Alcohol Concentrations Among Student Drinkers Nationwide. AB - PURPOSE: This study assessed whether college student (1) protective behavioral strategy (PBS) use differed between those who reached legal intoxication during their most recent drinking episode compared to those who did not reach the legal blood alcohol concentration (BAC) threshold, and (2) frequency of PBS use could explain the variance associated with BAC during the most recent drinking episode, above and beyond one's sex, age, and involvement in the Greek system. DESIGN: Secondary data analysis of the American College of Health Association's National College Health Assessment. SETTING: Forty-four distinct campuses were included. PARTICIPANTS: A total of 21479 college students were included. MEASURES: BAC and PBS were measured. ANALYSIS: The data were analyzed by conducting both independent samples t-tests and a multiple regression model. Effect sizes are reported. RESULTS: Participants who reached legal intoxication used PBS less frequently ( P < .001; d = 0.80). Frequency of PBS use had the strongest unique contribution to the regression model (beta = -.315, P < .001), such that participants with higher BAC reported less frequent use of PBS. CONCLUSION: Interventions should seek to develop strategies that encourage college student use of PBS prior to, and during, drinking episodes. More frequent use of PBS can reduce intoxication as well as occurrence of alcohol-associated consequences. PMID- 29214828 TI - Dose-Response Association Between Physical Activity and Cognitive Function in a National Sample of Older Adults. AB - PURPOSE: Previous research demonstrates a favorable effect of physical activity on cognitive function among older adults. The potential dose-response relationship between physical activity and cognitive function in this population is less understood, which was the purpose of this study. SETTING: Data from the 1999 to 2002 National Health and Nutrition Examination Survey were employed. PARTICIPANTS: A total of 2157 older adults aged 60 to 85 years. MEASURES: Cognitive function was assessed from the Digit Symbol Substitution Test. Moderate to-vigorous physical activity (MVPA), expressed as metabolic equivalent of task (MET)-min-month (MET-min-month = days * duration * MET level), was assessed via self-report, with 5 MVPA categories evaluated: (1) <2000 MVPA MET-min-month, (2) 2000 to 3999 MVPA MET-min-month, (3) 4000 to 5999 MVPA MET-min-month, (4) 6000 to 7999 MVPA MET-min-month, and (5) 8000+ MVPA MET-min-month. ANALYSIS: Weighted multivariable linear regression. RESULTS: An inverted U-shaped relationship was observed. Consistent across several adjusted models, those who engaged in 6000 to 7999 MVPA MET-min-month had the highest cognitive function score. CONCLUSION: The results suggest an optimal amount of physical activity to prevent the cognitive decline associated with aging. PMID- 29214829 TI - Promoting Stair Climbing in a Worksite and Public Setting: Are Footprints Enough? AB - PURPOSE: To evaluate the impact of footprints on stair climbing in different settings. DESIGN: Interrupted time-series design. SETTING: A company (stair/elevator choice) and a mall (stair/escalator choice). PARTICIPANTS: Employees (n = 5676) and visitors of the mall (n = 12 623). INTERVENTION: An intervention comprising 3 consecutive phases was implemented-(1) footprints leading to the stairs were stuck on the floor, (2) a health message referring to the footprints was introduced, and (3) passersby were congratulated for their increased stair use. MEASURES: Stair climbing was observed before (ie, baseline), during, and 6 to 13 weeks after (ie, follow-up) the intervention. ANALYSIS: Proportions of stair climbers were compared using chi2 analyses. RESULTS: The footprints resulted in a closely significant increase in stair climbing in the company (from 27.7% at baseline to 31.2% in phase 1). However, they did not produce any effect in the mall. Introducing a health message yielded an additional 12.4% increase in stair climbing in the company and a significant 11.4% increase in the mall (22.3% in phase 2). Congratulating people did not further increase stair climbing. At follow-up, the proportions of stair climbers dropped but still exceeded baseline. CONCLUSION: Footprints tend to increase stair climbing in a worksite setting with a stair/escalator choice but not in a public setting with a stair/elevator choice. Adding a meaningful message seems essential to obtain stronger and longer term effects. PMID- 29214830 TI - Religiosity, the Practices of Religions, and the Perception of Older People Among Muslims and Buddhists in Thailand. AB - We examined the effects of religiosity and the practices of religions among the Buddhists and Muslims aged 20 to 79 in Thailand on maintaining positive attitudes toward older people. Factor and multiple regression analyses are applied, using data from the 2011 National Survey on Conditions of Society and Culture. The measures of perception of older people are Social Value and Personal Value. Religiosity is measured by the self-assessment of religious strictness and one's own practices according to the religious principles. Among Buddhists, the practices are measured by the frequency of praying, Takbat, Pancha Sila, and meditation. For Muslims, the practices are measured by the frequency of doing Salat, observing Saum, and giving Zakat. We found that religiosity and some practices of religions have positive effects on the perception of the value of older people. In addition, social policy for a smooth transition to an aging society should be considered alongside this religious mechanism. PMID- 29214831 TI - Exploring Individual, Family, and Extrafamilial Factors Associated With Depression Among Elderly Residents of Care Settings. AB - This study investigated simultaneously the associations among individual, family, and extrafamilial factors and depression among elderly residents of care settings in Taiwan. The data for this study were obtained from the Vulnerability and Social Exclusion among Different Groups of Disadvantaged Elderly in an Aging Society: Phenomena and Strategies (1/2) project, which was conducted in Taipei City and Taipei County in 2007. We applied multiple regression procedures to a sample of 327 residents of care settings (48.3% women) who were mild physical impairment or physically independent and cognitively clear for determining factors associated with depression and their cumulative effects. We discovered that 24.5% of the residents were depressed. Physical mobility, number of chronic diseases, and self-assessed health status were significantly associated factors in all models. In the final model, we determined that one third of extrafamilial factors were significantly associated with depression, after controlling for all other variables. In addition, we observed an overall trend of increased mean scores of depression with an increase in the number of risk factors. The results imply that interventions aimed at preventing depression in elderly persons living in care settings, particularly persons with multiple risk conditions such as impaired physical mobility and medical comorbidities, should be designed to include extrafamilial elements. Establishing strong connections between elderly care setting residents and the institutional and neighborhood environments can help prevent depression. PMID- 29214832 TI - Tailored Educational Approaches for Consumer Health: A Model to Address Health Promotion in an Era of Personalized Medicine. AB - PURPOSE: To develop a model, based on market segmentation, to improve the quality and efficiency of health promotion materials and programs. DESIGN: Market segmentation to create segments (groups) based on a cross-sectional questionnaire measuring individual characteristics and preferences for health information. Educational and delivery recommendations developed for each group. SETTING: General population of adults in Virginia. PARTICIPANTS: Random sample of 1201 Virginia residents. Respondents are representative of the general population with the exception of older age. MEASURES: Multiple factors known to impact health promotion including health status, health system utilization, health literacy, Internet use, learning styles, and preferences. ANALYSIS: Cluster analysis and discriminate analysis to create and validate segments. Common sized means to compare factors across segments. RESULTS: Developed educational and delivery recommendations matched to the 8 distinct segments. For example, the "health challenged and hard to reach" are older, lower literacy, and not likely to seek out health information. Their educational and delivery recommendations include a sixth-grade reading level, delivery through a provider, and using a "push" strategy. CONCLUSION: This model addresses a need to improve the efficiency and quality of health promotion efforts in an era of personalized medicine. It demonstrates that there are distinct groups with clearly defined educational and delivery recommendations. Health promotion professionals can consider Tailored Educational Approaches for Consumer Health to develop and deliver tailored materials to encourage behavior change. PMID- 29214833 TI - Living with functionally univentricular heart: beating the odds? AB - An unoperated 45-year-old man with double-inlet single left ventricle, transposed great arteries, ventricular septal defect, and pulmonary stenosis presented with mitral and pulmonary valvular vegetations unresponsive to antibiotic therapy. The initial diagnosis was made with echocardiography, and the morphology was delineated with computed tomography and magnetic resonance imaging. The patient underwent mitral valve replacement with a mechanical valve and pulmonary valve vegetectomy. He recovered well and he is currently well two years after the operation. PMID- 29214834 TI - Source and Size of Social Support Network on Sedentary Behavior Among Older Adults. AB - PURPOSE: To examine the association of source of social support and size of social support network on sedentary behavior among older adults. DESIGN: Cross sectional. SETTING: National Health and Nutrition Examination Survey 2003 to 2006. PARTICIPANTS: 2519 older adults (60+ years). MEASURES: Sedentary behavior was assessed via accelerometry over a 7-day period. Social support was assessed via self-report. Sources evaluated include spouse, son, daughter, sibling, neighbor, church member, and friend. Regarding size of social network, participants were asked, "In general, how many close friends do you have?" ANALYSIS: Multivariable linear regression. RESULTS: After adjustment, there was no evidence of an association between the size of social support network and sedentary behavior. With regard to specific sources of social support, spousal social support was associated with less sedentary behavior (beta = -11.6; 95% confidence interval: -20.7 to -2.5), with evidence to suggest that this was only true for men. Further, an inverse association was observed between household size and sedentary behavior, with those having a greater number of individuals in the house having lower levels of sedentary behavior. These associations occurred independent of moderate-to-vigorous physical activity, age, gender, race ethnicity, measured body mass index, total cholesterol, self-reported smoking status, and physician diagnosis of congestive heart failure, coronary artery disease, stroke, cancer, hypertension, or diabetes. CONCLUSION: Spouse-specific emotion-related social support (particularly for men) and household size were associated with less sedentary behavior. PMID- 29214835 TI - Tobacco Smoke Exposure and Health-Care Utilization Among Children in the United States. AB - PURPOSE: The purpose of this study was to assess patterns of health-care utilization among children who potentially had tobacco smoke exposure (TSE) compared to those who were not exposed. DESIGN: A secondary data analysis of the 2011 to 2012 National Survey on Children's Health was performed. SETTING: Households nationwide were selected. PARTICIPANTS: A total of 95 677 children aged 0 to 17 years. MEASURES: Sociodemographic characteristics, TSE status, and health-care visits were measured. ANALYSIS: Multivariable logistic regression models were performed. RESULTS: A total of 24.1% of children lived with smokers. Approximately 5% had home TSE. Participants who lived with a smoker were significantly more likely to have had a medical care visit (odds ratio [OR] = 1.22, confidence interval [CI] = 1.21-1.22) and were more likely to seek sick care or health advice at an emergency department (OR = 1.23, CI = 1.23-1.24) but were less likely to have had a dental care visit (OR = 0.82, CI = 0.82-0.83) than those who did not live with a smoker. Similar findings were found among participants who had home TSE. CONCLUSION: TSE is a risk factor for increased use of pediatric medical care. Based on the high number of children who potentially had TSE and received sick care or health advice at an emergency emergency department, this setting may be a venue to deliver health messages to caregivers. PMID- 29214836 TI - "No High Like a Brownie High": A Content Analysis of Edible Marijuana Tweets. AB - PURPOSE: To investigate tweets about marijuana edibles for surveillance into the content of edibles-related tweets among individuals socially networking about this topic on Twitter. DESIGN: Cross-sectional analysis of tweets containing edible marijuana-related key words during 1 month. SETTING: Twitter. PARTICIPANTS: Tweets sent during January 1 to 31, 2015. METHODS: A random sample of 5000 tweets containing edibles-related key words was coded for sentiment (positive, negative, and neutral) by crowdsourced workers. Tweets normalizing or promoting edibles use were further analyzed, and demographic characteristics of the Twitter handles sending these tweets were inferred. RESULTS: Of the 5000 tweets, 4166 (83%) were about marijuana edibles, and of those 75% (3134 of 4166) normalized or encouraged edibles use. Nearly half (48%, 1509 of 3134) of the tweets normalizing edibles mentioned wanting or planning to consume, currently consuming, or recently consuming edibles, and 12% (378 of 3134) described the intense or long-lasting effects following use. Individuals whose tweets promoted/encouraged edibles use were more likely to be young (between 17 and 24 years old) and of a racial/ethnic minority (52% black; 12% Hispanic) when compared to the Twitter average. CONCLUSION: Tweets that normalize edibles use have the potential to increase their popularity. The prevalence of tweets about edibles' intense high could have implications for tailoring prevention messages that could be important for youth and young adult minorities who were inferred to be disproportionately socially networking about edibles on Twitter. PMID- 29214837 TI - Prediction of Physical Activity Level Using Processes of Change From the Transtheoretical Model: Experiential, Behavioral, or an Interaction Effect? AB - PURPOSE: The purpose of the present study was to compare prediction of physical activity (PA) by experiential or behavioral processes of change (POCs) or an interaction between both types of processes. DESIGN: A cross-sectional study. SETTING: This study was conducted using an online questionnaire. PARTICIPANTS: A total of 394 participants (244 women, 150 men), with a mean age of 35.12 +/- 12.04 years and a mean body mass index of 22.97 +/- 4.25 kg/m2 were included. MEASURES: Participants completed the Processes of Change, Stages of Change questionnaires, and the International Physical Activity Questionnaire to evaluate self-reported PA level (total, vigorous, and moderate PA). ANALYSIS: Hierarchical multiple regression models were used to test the prediction of PA level. RESULTS: For both total PA (beta = .261; P < .001) and vigorous PA (beta = .297; P < .001), only behavioral POCs were a significant predictor. Regarding moderate PA, only the interaction between experiential and behavioral POCs was a significant predictor (beta = .123; P = .017). CONCLUSION: Our results provide confirmation that behavioral processes are most prominent in PA behavior. Nevertheless, it is of interest to note that the interaction between experiential and behavioral POCs was the only element predicting moderate PA level. Experiential processes were not associated with PA level. PMID- 29214838 TI - Sources and Number of Coupons for Cigarettes and Snus Received by a Cohort of Young Adults. AB - PURPOSE: To examine the sources of tobacco coupons and their influence on susceptibility to snus use. DESIGN: Cohort study. SETTING: Minnesota Adolescent Community Cohort Study. SUBJECTS: A population-based sample of US Midwest young adults in 2011 to 2012 and 2012 to 2013 (aged 22-28; n = 2384). MEASURES: Exposure to coupons for various tobacco products through various sources in the past 6 months, susceptibility to snus use. ANALYSIS: Multiple logistic regressions. RESULTS: During the 6 months prior to 2012 to 2013 survey, 11% of the sample received coupons for cigarettes, 5% received coupons for snus, 3% received coupons for other smokeless tobacco products, and <1% received coupons for little cigars. Direct mail was the most commonly cited source of cigarette and snus coupons. Tobacco product packaging provided the highest number of tobacco coupons for current and former smokers. Participants without a 4-year college education (compared to those who had a 4-year college education) were more likely to have received coupons for cigarettes and snus and received more coupons for both products ( P < .05). Racial/ethnic minority young adults (vs non Hispanic white) received more cigarette and snus coupons ( P < .05). Receiving snus coupons was positively associated with susceptibility to snus use ( P < .05). CONCLUSION: Tobacco companies are successful in reaching young adults using coupons for various tobacco products. Snus coupons may influence snus use, similar to how cigarette coupons influence smoking. PMID- 29214839 TI - Understanding West Africa's Ebola epidemic. PMID- 29214840 TI - Bifactor Models of Attention Deficit/Hyperactivity Symptomatology in Adolescents: Criterion Validity and Implications for Clinical Practice. AB - This study evaluated the fit and criterion validity of a bifactor model for 18 DSM-IV attention deficit/hyperactivity disorder (ADHD) symptoms, along with nine supplementary symptoms that represented the manifestation of inattention and hyperactivity-impulsivity in adolescence and early adulthood. Participants included N = 172 adolescents who were diagnosed with combined type ADHD and who were enrolled in a treatment study. A bifactor model provided reasonably good fit to combined parent- and teacher-reported DSM symptoms and supplemental items at baseline prior to treatment. Across models, the general factor was characterized by high reliability (omega = .93, .95), while specific inattentive and hyperactive-impulsive factors were characterized by poor reliability (omega = .30 .50). With respect to criterion validity, the general ADHD and specific inattentive factors were uniquely associated with home and school impairment ( R2 = .13-.29) but not adolescent risk-tasking behavior. Results are discussed with respect to the ways in which bifactor models of ADHD inform the diagnostic criteria for ADHD. PMID- 29214841 TI - Effect of Area-Level Deprivation on Cancer Survival Time: A Register-Based Follow up Study of 145 585 Korean Subjects. AB - Our goal is to evaluate the strengths of the associations between area-level deprivation and survival time for a variety of cancers. A total of 145 585 subjects were diagnosed with various cancers in Busan, Korea, and an area-level deprivation index constructed from several important socioeconomic variables. A multilevel Cox model was used in the analysis to investigate the effects of multiple risk factors. After adjusting for gender and age, an increased area level deprivation index was found to be significantly associated with a higher hazard rate for major cancers. Estimated hazard ratios (95% confidence interval) were 1.08 (1.06, 1.11), 1.15 (1.13, 1.18), and 1.22 (1.18, 1.25) for the second, third, and fourth quartiles of deprivation index groups, respectively, when compared with the least deprived group. When compared with the least deprived group, the more deprived group showed significant decrease in survival time for major cancers. This finding highlights the importance of preventive and care services incorporating socioeconomic characteristics of areas. PMID- 29214842 TI - Trastuzumab emtansine: determining its role in management of HER2+ breast cancer. AB - Trastuzumab emtansine is an antibody-drug conjugate comprised of the anti-HER2 monoclonal antibody trastuzumab linked to DM1 (emtansine), a potent cytotoxic maytansinoid derivative, by a stable linker. This structure results in improved tumor-directed cytotoxicity in HER2+ breast cancer with reduced systemic toxicities, particularly the cardiac toxicities associated with single agent trastuzumab. Phase III trials have demonstrated improved progression-free and overall survival in heavily pretreated patients with advanced HER2+ breast cancer, with an acceptable toxicity profile. However, its role in first-line treatment is less clear. Ongoing studies continue to evaluate its role in neoadjuvant and adjuvant management of HER2+ breast cancer. PMID- 29214843 TI - Weaving social reality around the grandparent/great-grandparent with dementia to maintain relational presence: A verbal and non-verbal dementia interactions model. AB - We proposed a dementia interactions model based on analyses of five focus groups with grandchildren of grandparents with dementia. Interactions with their grandparent with dementia motivate grandchildren to maintain connection with a grandparent who is relationally present. To do so, they weave a social reality around the grandparent. To help the grandparent remain connected, grandchildren engage in scripts and routines and employ three intertwined psychological processes: perspective taking, vigilance, and knowledge about the grandparent's preferences, personality, state of mind, and context. Grandchildren use four relationship anchors to help the grandparent remain relationally present: family members, meaningful sensory objects and activities, physical space/context, and themselves. Implications for improving social interactions with close others with dementia are discussed. PMID- 29214844 TI - Barriers to Quitting Smoking Among Young Adults: The Role of Socioeconomic Status. AB - PURPOSE: The aims of this analysis were to explore how self-reported barriers to quitting vary by socioeconomic status (SES) among young-adult smokers and to assess their relationship to quitting. DESIGN: This analysis uses 2 waves of telephone-survey data from the Minnesota Adolescent Community Cohort study. SETTING: Midwestern United States. PARTICIPANTS: Participants (n = 419) were smokers aged 17 to 24 years. MEASURES: Socioeconomic status was estimated using the highest level of education completed by the participants' parents. Demographics, smoking behavior, and perceived barriers to quitting were collected via survey questions. ANALYSIS: Differences in barriers by SES were assessed using prevalence ratios (PRs). Relative risks were calculated to assess the association between barriers and quitting status 1 year later, testing for effect modification by SES. RESULTS: Compared to the high SES group (n = 314), the low SES group (n = 105) was more likely to report several barriers to quitting; however, only the risk of gaining weight was significantly more common (PR: 1.38 [1.05-1.83]). There were no significant associations between barriers and quitting status 1 year later, but the number of cigarettes per day was consistently related to the likelihood of quitting 1 year later, regardless of SES. CONCLUSION: Despite the limited generalizability to racially diverse populations and different geographic locations, the results suggest perceived barriers may not differ by SES or predict quitting among young adults; however, nicotine dependence may play an important role. PMID- 29214846 TI - The Assessment of Emotional Reactivity Across Negative and Positive Emotions: Development and Validation of the Perth Emotional Reactivity Scale (PERS). AB - The Perth Emotional Reactivity Scale (PERS) is a newly developed 30-item self report measure of emotional reactivity (affective style). The PERS measures the typical ease of activation, intensity, and duration of one's emotional responses, and importantly does so for negative and positive emotions separately. We examined the psychometric properties of the PERS in an adult community sample ( N = 183). Confirmatory and exploratory factor analyses supported the capacity of the PERS to measure separate negative and positive reactivity factors, and to distinguish between the activation, intensity, and duration aspects of reactivity. All items of the PERS had strong loadings on their intended factor. Concurrent validity was supported via congruent correlations with other emotion measures, and internal reliability was good to excellent for all PERS scales and subscales. Overall, the PERS appears to have good psychometric properties, and thus has promising utility for research and clinical settings. PMID- 29214847 TI - Introducing a New Assessment Tool for Measuring Ethnic-Racial Identity: The Cross Ethnic-Racial Identity Scale-Adult (CERIS-A). AB - In this article, we examined the psychometric properties of scores on a new instrument, the Cross Ethnic-Racial Identity Scale-Adult (CERIS-A) for use across different ethnic and racial groups. The CERIS-A measures seven ethnic-racial identity attitudes-assimilation, miseducation, self-hatred, anti-dominant, ethnocentricity, multiculturalist inclusive, and ethnic-racial salience. Participants consisted of 803 adults aged 18 to 76, including African Americans (19.3%), Asian Americans (17.6%), European Americans (37.0%), and Latino/as (17.8%). Analyses indicated that CERIS-A scores were reliable, and configural, metric, and scalar invariance were supported for the seven factors across gender; however, Miseducation, Ethnic-Racial Salience, and Ethnocentricity scores achieved only metric invariance across ethnic-racial groups. Self-Hatred, Ethnic Racial Salience, Anti-Dominant, and Ethnocentricity scores were significantly and meaningfully related to race-based rejection sensitivity scores, providing evidence of convergent validity. We concluded that the CERIS-A is a potentially useful instrument for examining ethnic-racial identity attitudes across multiple racial/ethnic subgroups in the United States. PMID- 29214845 TI - High HIV-1 RNA Among Newly Diagnosed People in Botswana. AB - HIV-1 RNA level is strongly associated with HIV transmission risk. We sought to determine whether HIV-1 RNA level was associated with prior knowledge of HIV status among treatment-naive HIV-infected individuals in Botswana, a country with high rates of antiretroviral treatment (ART) coverage. This information may be helpful in targeting HIV diagnosis and treatment efforts in similar high HIV prevalence settings in a population-based survey. HIV-infected individuals were identified during a household survey performed in 30 communities across Botswana. ART-naive persons with detectable HIV-1 RNA (>400 copies/mL) were divided into two groups, newly diagnosed and individuals tested in the past who knew about their HIV infection at the time of household visit, but had not taken ART. Levels of HIV-1 RNA were compared between groups, overall and by age and gender. Among 815 HIV-infected ART-naive persons with detectable virus, newly diagnosed individuals had higher levels of HIV-1 RNA (n = 490, median HIV-1 RNA 4.35, interquartile range (IQR) 3.79-4.91 log10 copies/mL) than those who knew about their HIV-positive status (n = 325, median HIV-1 RNA 4.10, IQR 3.55-4.68 log10 copies/mL; p values <.001, but p value = .011 after adjusting for age and gender). A nonsignificant trend for higher HIV-1 RNA was found among newly diagnosed men 30 years of age or older (median HIV-1 RNA 4.58, IQR 4.07-5.02 log10 copies/mL vs. 4.17, 3.61-4.71 log10 copies/mL). Newly diagnosed individuals have elevated levels of HIV-1 RNA. This study highlights the need for early diagnosis and treatment of HIV infection for purposes of HIV epidemic control, even in a setting with high ART coverage. PMID- 29214848 TI - The Strengths and Difficulties Questionnaire: Factor Structure of the Father Report and Parent Agreement in 2-Year-Old Children. AB - There is limited research on the preschool version of the Strengths and Difficulties Questionnaire (SDQ), and comparisons between mothers and fathers as informants and whether the factor structure shows measurement invariance across parents is lacking. Our study involved mothers ( n = 6,246) and fathers ( n = 3,759) of 2-year-old children from the Growing Up in New Zealand birth cohort. Confirmatory factor analysis was used to evaluate the factor structure of the SDQ and test for measurement invariance across mothers and fathers. For fathers, we found support for a modified five-factor model that accounts for a positive construal method effect. Internal consistency was good for measures except peer problems. Full measurement invariance of this modified model was found across mothers and fathers, and parents showed moderate agreement in their SDQ ratings (0.34 <= r <= 0.44). More research is needed on whether mother- and father reports differ in sensitivity when screening for early childhood psychiatric disorders. PMID- 29214849 TI - The Dimensions of Ruminative Thinking: One for All or All for One. AB - The Ruminative Thought Scale (RTS) was developed to measure the ruminative thinking style, presumably common to various psychopathological disorders. However, prior factor-analytic research was inconclusive regarding unidimensionality versus multidimensionality of the RTS. The present study was conducted on a large, heterogeneous Serbian sample ( N = 838). A subsample was retested 6 months later providing information about symptoms of depression and various anxiety symptoms. Results showed that a bifactor model of the RTS (representing one general and four group factors) had a better fit than the second-order and one-factor models. The subscale scores were not prospective predictors of symptoms of depression and anxiety, over and above the contribution of the total score. The RTS is a reliable transdiagnostic measure of repetitive thinking. Although there is some clustering of more homogeneous items, there is not enough evidence to support interpretation of the subscales. PMID- 29214850 TI - Rejoinder. PMID- 29214852 TI - Factor Structure of the Brief Comprehensive Effects of Alcohol Scale in Adolescents. AB - Alcohol use among adolescents is a public health concern; therefore, it is important that studies that examine factors associated with adolescent drinking behaviors utilize measures that are well-validated for use with this population. The current study examined the factor structure and convergent validity of the Brief Comprehensive Effects of Alcohol scale, a measure of alcohol outcome expectancies and evaluations of expected outcomes, among adolescents ( N = 1,074; 50% girls; Mage = 15.96 years, SD = 1.13, range = 13-18; 74% White) drawn from three independent studies ( nsite 1 = 594; nsite 2 = 97; and nsite 3 = 383). Results yielded support for a four-factor structure for alcohol expectancies and two-factor structure for valuations. Moreover, the factor structure was partially or fully invariant across gender, age, and site. Thus, findings are similar, yet unique, to those identified in college samples. The convergent validity of the modified measure was supported, suggesting that the Brief Comprehensive Effects of Alcohol scale may be useful for assessing adolescents' beliefs about alcohol. PMID- 29214851 TI - Weight and Veterans' Environments Study (WAVES) I and II: Rationale, Methods, and Cohort Characteristics. AB - PURPOSE: To present the rationale, methods, and cohort characteristics for 2 complementary "big data" studies of residential environment contributions to body weight, metabolic risk, and weight management program participation and effectiveness. DESIGN: Retrospective cohort. SETTING: Continental United States. PARTICIPANTS: A total of 3 261 115 veterans who received Department of Veterans Affairs (VA) health care in 2009 to 2014, including 169 910 weight management program participants and a propensity score-derived comparison group. INTERVENTION: The VA MOVE! weight management program, an evidence-based lifestyle intervention. MEASURES: Body mass index, metabolic risk measures, and MOVE! participation; residential environmental attributes (eg, food outlet availability and walkability); and MOVE! program characteristics. ANALYSIS: Descriptive statistics presented on cohort characteristics and environments where they live. RESULTS: Forty-four percent of men and 42.8% of women were obese, whereas 4.9% of men and 9.9% of women engaged in MOVE!. About half of the cohort had at least 1 supermarket within 1 mile of their home, whereas they averaged close to 4 convenience stores (3.6 for men, 3.9 for women) and 8 fast-food restaurants (7.9 for men, 8.2 for women). Forty-one percent of men and 38.6% of women did not have a park, and 35.5% of men and 31.3% of women did not have a commercial fitness facility within 1 mile. CONCLUSION: Drawing on a large nationwide cohort residing in diverse environments, these studies are poised to significantly inform policy and weight management program design. PMID- 29214853 TI - Psychometric Properties of the Satisfaction With Life Scale in People With Traumatic Brain, Spinal Cord, or Burn Injury: A National Institute on Disability, Independent Living, and Rehabilitation Research Model System Study. AB - This study evaluated the measurement properties of the Satisfaction With Life Scale (SWLS) in a sample of 17,897 people with spinal cord injury (48%, n = 8,566), traumatic brain injury (44%, n = 7,941), and burn injury (8%, n = 1,390), 1 year following injury. We examined measurement invariance across the groups, unidimensionality, local independence, reliability from a classical test and item response theory (IRT) framework, and fit to a unidimensional IRT model. The results support unidimensionality and local independence of the SWLS. Reliability was adequate from a classical test and IRT perspective. IRT analysis found that the SWLS could be improved by using only five response categories rather than seven and by removing the fifth item, "If I could live my life over, I would change almost nothing." This item functions poorly and reduces instrument reliability. With these revisions, the SWLS is a useful instrument to monitor an important outcome of trauma rehabilitation. PMID- 29214854 TI - Prognostic Factors in Diabetic Foot Ulcer. PMID- 29214855 TI - Repetitive Negative Thinking as a Transdiagnostic Predictor of Depression and Anxiety Symptoms in Adolescents. AB - Repetitive negative thinking (RNT) is a transdiagnostic process associated with numerous emotional disorders. Most measures of RNT are disorder-specific, limiting utility in comorbid populations. Transdiagnostic measures of RNT have been developed in adults and are associated with anxiety and depression. However, a transdiagnostic measure is needed to assess RNT in adolescents as a potential vulnerability factor for emotional disorders. This study validates a transdiagnostic measure of RNT-Repetitive Thinking Questionnaire-10 (RTQ-10)-in adolescents ( N = 840, Mage = 15.7 years). Exploratory and confirmatory factor analyses supported a unidimensional structure. The RTQ-10 manifested good internal consistency and measurement invariance across genders and age. RNT was equally associated with anxiety and depression symptoms irrespective of gender or age. Convergent validity was demonstrated by correlations with disorder-specific measures of RNT. These findings support the RTQ-10 as a reliable and valid transdiagnostic measure of RNT in adolescents. PMID- 29214856 TI - Physical Activity Interventions in Faith-Based Organizations: A Systematic Review. AB - OBJECTIVE: To review and assess the effectiveness of physical activity interventions delivered in faith-based organizations. DATA SOURCE: We searched the Cochrane Library, DoPHER, EMBASE, LILACS, MEDLINE, PsycINFO, WHO ICTRP, and Clinicaltrials.gov databases until January 2016, without restriction of language or publication date. STUDY INCLUSION AND EXCLUSION CRITERIA: Randomized and nonrandomized controlled trials investigating physical activity interventions for adults delivered in faith-based organizations. DATA EXTRACTION: Two independent reviewers extracted data and assessed study methodological quality. DATA SYNTHESIS: We used relative risk and mean difference with 95% confidence interval to estimate the effect of the interventions on measures of physical activity, physical fitness, and health. RESULTS: The review included 18 studies. Study participants were predominantly female, and the majority of trials were conducted in the United States. Study heterogeneity did not allow us to conduct meta analyses. Although interventions delivered in faith-based organizations increased physical activity and positively influenced measures of health and fitness in participants, the quality of the evidence was very low. CONCLUSION: Faith-based organizations are promising settings to promote physical activity, consequently addressing health disparities. However, high-quality randomized clinical trials are needed to adequately assess the effectiveness of interventions delivered in faith-based organizations. PMID- 29214857 TI - Feeding time can alleviate negative effects of heat stress on performance, meat quality and health status of turkey. AB - 1. A total of 180 one-day-old turkeys were randomly assigned to 6 equal groups to investigate the effect of feeding time on growth performance, carcass characteristics, meat quality, leg problems and physiological responses of growing turkeys under the high temperature conditions of summer. 2. Birds of the first group were ad libitum fed and were considered as the controls (C). The second group (T1) was given 80% of diet in the morning and 20% of diet in the afternoon, the third group (T2) was given 60% of diet in the morning and 40% of diet in the afternoon, the fourth group (T3) was given 40% of diet in the morning and 60% of diet in the afternoon, the fifth group (T4) was given 20% of diet in the morning and 80% of diet in the afternoon and the sixth group (T5) was given 100% of diet in the afternoon. 3. Body weight, body weight gain and feed conversion ratio were improved with T2, T3, T4 and T5 in comparison to control or T1 under heat stress conditions. No significant impacts on carcass traits and meat quality due to changing the time of feeding were seen, except for tenderness and juiciness. 4. Feeding in the afternoon (100%) decreased body temperature and tonic immobility test score, which were positively related with the health condition of the birds. 5. The incidence of leg problems, plumage condition and breast blisters were not significantly different among the experimental groups. 6. It is concluded that feeding turkeys mainly or totally in the afternoon (T4 and T5, birds were fed with 80% or 100% of the diet in the afternoon) can be used as a strategy and a managerial tool for improving growth rate, feed utilisation, carcass and meat quality, as well as health status of growing turkeys reared under hot climate conditions. PMID- 29214858 TI - Cognitive Impairment, Dementia, and Personality Stability Among Older Adults. AB - There is contrasting evidence on personality stability in advanced age, and limited knowledge on the impact of cognitive impairment and dementia on trait stability. Group- and individual-level longitudinal analyses of the five major dimensions of personality assessed twice over 4 years ( N = 9,935) suggest that rank-order stability was progressively lower with advancing age (from rtt = 0.68 for age 50 to 60 years to rtt = 0.58 for age >80 years). Stability was low in the dementia group ( rtt = 0.43), and this was not simply due to lower reliability given that internal consistency remained adequate in the dementia group. Among individuals with no cognitive impairment or dementia, there was no association between stability and age ( rtt = 0.70 even for age >80 years). These results suggest that the lower personality stability in older adults is not due to age but cognitive impairment and dementia. PMID- 29214860 TI - A Comparison of Unidimensionality and Measurement Precision of the Narcissistic Personality Inventory and the Narcissistic Admiration and Rivalry Questionnaire. AB - The current study compares the closeness to unidimensionality (CU) and measurement precision (MP) of the Narcissistic Personality Inventory (NPI)-with either a pairwise forced-choice or 5-point Likert-type scale response format-to the Narcissistic Admiration and Rivalry Questionnaire (NARQ). Minimum rank factor analysis and item information curves from item response models were utilized. The results mainly confirmed our expectations that NPI subscales are lower in CU and MP compared with NARQ subscales when the NPI was administered with its traditional forced-choice response format. When the NPI was administered with a 5 point Likert-type scale response format, the NPI subscale Leadership/Authority and NPI Grandiose Exhibitionism showed similarly high levels of CU and MP as the two NARQ subscales. While the NPI subscale Entitlement/Exploitativeness had a higher CU than the NARQ subscales it showed considerably lower levels of MP. PMID- 29214859 TI - Novel Cognitive Paradigms for the Detection of Memory Impairment in Preclinical Alzheimer's Disease. AB - In spite of advances in neuroimaging and other brain biomarkers to assess preclinical Alzheimer's disease (AD), cognitive assessment has relied on traditional memory paradigms developed well over six decades ago. This has led to a growing concern about their effectiveness in the early diagnosis of AD which is essential to develop preventive and early targeted interventions before the occurrence of multisystem brain degeneration. We describe the development of novel tests that are more cognitively challenging, minimize variability in learning strategies, enhance initial acquisition and retrieval using cues, and exploit vulnerabilities in persons with incipient AD such as the susceptibility to proactive semantic interference, and failure to recover from proactive semantic interference. The advantages of various novel memory assessment paradigms are examined as well as how they compare with traditional neuropsychological assessments of memory. Finally, future directions for the development of more effective assessment paradigms are suggested. PMID- 29214861 TI - Podiatry Ankle Duplex Scan: Readily Learned and Accurate in Diabetes. AB - We aimed to train podiatrists to perform a focused duplex ultrasound scan (DUS) of the tibial vessels at the ankle in diabetic patients; podiatry ankle (PodAnk) duplex scan. Thirteen podiatrists underwent an intensive 3-hour long simulation training session. Participants were then assessed performing bilateral PodAnk duplex scans of 3 diabetic patients with peripheral arterial disease. Participants were assessed using the duplex ultrasound objective structured assessment of technical skills (DUOSATS) tool and an "Imaging Score". A total of 156 vessel assessments were performed. All patients had abnormal waveforms with a loss of triphasic flow. Loss of triphasic flow was accurately detected in 145 (92.9%) vessels; the correct waveform was identified in 139 (89.1%) cases. Participants achieved excellent DUOSATS scores (median 24 [interquartile range: 23-25], max attainable score of 26) as well as "Imaging Scores" (8 [8-8], max attainable score of 8) indicating proficiency in technical skills. The mean time taken for each bilateral ankle assessment was 20.4 minutes (standard deviation +/ 6.7). We have demonstrated that a focused DUS for the purpose of vascular assessment of the diabetic foot is readily learned using intensive simulation training. PMID- 29214862 TI - Screening for Problematic Worry in Adults With a Single Item From the Penn State Worry Questionnaire. AB - As the rapid assessment of mental health is a growing need, a quick and valid tool for the early detection of symptoms that can be flexibly deployed across a range of contexts may be especially beneficial. This is particularly true of anxiety problems, which when undetected contribute to health care costs and lost work productivity. Data from more than 10,000 respondents (primarily female undergraduates) were used to test whether a single item from the popular Penn State Worry Questionnaire could serve as a screening tool in settings where administration of the full scale is undesirable. Items were evaluated by examining item response theory models, screening capabilities, stability over time, convergence with other anxiety and depression measures, and a response time analysis that assessed how quickly participants responded to each item. Item 15 ("I worry all the time") emerged as the strongest item: It was the most discriminating and reliable item, had sensitivity and specificity similar to the full scale, had the highest 1-month and 1-year retest coefficients, the highest convergent correlations with measures of anxiety and depression, and was responded to significantly faster than any other item. We suggest that in time limited contexts, this item is suitable for screening. PMID- 29214863 TI - Impact of a Weight Management Intervention on Eating Competence: Importance of Measurement Interval in Protocol Design. AB - PURPOSE: To examine changes in eating competence (EC) in 12-month weight loss intervention. DESIGN: Randomized, parallel-arm with weight loss phase (baseline to month 4) and weight-maintenance phase (months 4-12). SETTING: Face-to-face in University classrooms, supervised and self-directed fitness sessions at University fitness center, and home. PARTICIPANTS: Premenopausal, mostly college educated Pennsylvania women, body mass index >25 (n = 101). INTERVENTION: Twenty eight, 1-hour classes tailored for extremes of the Dietary Guidelines' fat recommendations, based on social cognitive theory, problem-based learning delivery over 12 months. Exercise component included supervised and self-directed stretching, aerobics, and strength training. MEASURES: Anthropometrics, lipid profile, blood pressure, 24-hour dietary recalls, cognitive behavioral measures, Satter Eating Competence Inventory (ecSI). ANALYSIS: General linear model repeated measures analysis of variance for outcome variables. RESULTS: A total of 40% (n = 40) completed the ecSI. Overall, education and supervised exercise session attendance were 77% and 88%, respectively. Similar weight loss for lower and moderate fat groups (6.7 kg and 5.4 kg). The EC was unchanged baseline to month 4 but increased significantly from months 4 to 12, baseline to month 12 for both groups. The EC change baseline to month 12 was inversely associated with weight change from baseline to months 4 and 12. CONCLUSION: Weight management interventions, likely to introduce concerns with eating attitudes, behaviors, and foods, can reduce EC. Short-term measurement of EC change captures these consequent adjustments without opportunity to regain self-efficacy. Extending the measurement interval better reflects intervention impact on EC. PMID- 29214864 TI - Radial Versus Femoral Access for Coronary Angiography. PMID- 29214865 TI - Automatic Seizure Detection Based on Morphological Features Using One-Dimensional Local Binary Pattern on Long-Term EEG. AB - Epileptic neurological disorder of the brain is widely diagnosed using the electroencephalography (EEG) technique. EEG signals are nonstationary in nature and show abnormal neural activity during the ictal period. Seizures can be identified by analyzing and obtaining features of EEG signal that can detect these abnormal activities. The present work proposes a novel morphological feature extraction technique based on the local binary pattern (LBP) operator. LBP provides a unique decimal value to a sample point by weighing the binary outcomes after thresholding the neighboring samples with the present sample point. These LBP values assist in capturing the rising and falling edges of the EEG signal, thus providing a morphologically featured discriminating pattern for epilepsy detection. In the present work, the variability in the LBP values is measured by calculating the sum of absolute difference of the consecutive LBP values. Interquartile range is calculated over the preprocessed EEG signal to provide dispersion measure in the signal. For classification purpose, K-nearest neighbor classifier is used, and the performance is evaluated on 896.9 hours of data from CHB-MIT continuous EEG database. Mean accuracy of 99.7% and mean specificity of 99.8% is obtained with average false detection rate of 0.47/h and sensitivity of 99.2% for 136 seizures. PMID- 29214866 TI - The price of success-health economics of personalized diffuse large B-cell lymphoma treatment. PMID- 29214867 TI - Disease site as a determinant of survival outcome in patients with primary cutaneous peripheral T-cell lymphoma, unspecified: an analysis of 4057 cases from the US National Cancer Database. AB - Primary cutaneous peripheral T-cell lymphoma, unspecified (PCPTL) accounts for <6% of cutaneous T-cell lymphoma cases. Due to its rarity, no large study exists in the literature on PCPTL. Among 4057 patients with PCPTL diagnosed from 2004 to 2014 in the National Cancer Database, 428, 913, 517, 754, and 1435 had lesions localized primarily to the upper extremity, head and neck, lower extremity, trunk, and overlapping lesion or unspecified site, respectively. PCPTL that primarily involved the head and neck had the longest overall survival (OS), followed by PCPTL that primarily involved the trunk, upper extremity, and lower extremity. Patients with lesions localized to the lower extremity had significantly shorter OS when compared to those with disease localized to other primary sites after adjusting for confounding factors. The difference in OS among disease sites was only significant in stage I disease, but not higher stages, and persisted in younger patients. PMID- 29214868 TI - Sulfasalazine induces mitochondrial dysfunction and renal injury. AB - Sulfasalazine is a commonly used drug for the treatment of rheumatoid arthritis and inflammatory bowel disease. There are several cases of renal injury encompass sulfasalazine administration in humans. The mechanism of sulfasalazine adverse effects toward kidneys is obscure. Oxidative stress and its consequences seem to play a role in the sulfasalazine-induced renal injury. The current investigation was designed to investigate the effect of sulfasalazine on kidney mitochondria. Rats received sulfasalazine (400 and 600 mg/kg/day, oral) for 14 consecutive days. Afterward, kidney mitochondria were isolated and assessed. Sulfasalazine induced renal injury was biochemically evident by the increase in serum blood urea nitrogen (BUN), gamma-glutamyl transferase (gamma-GT), and creatinine (Cr). Histopathological presentations of the kidney in sulfasalazine-treated animals revealed by interstitial inflammation, tubular atrophy, and tissue necrosis. Markers of oxidative stress including an increase in reactive oxygen species (ROS) and lipid peroxidation (LPO), a defect in tissue antioxidant capacity, and glutathione (GSH) depletion were also detected in the kidney of sulfasalazine treated groups. Decreased mitochondrial succinate dehydrogenase activity (SDA), mitochondrial depolarization, mitochondrial GSH depletion, increase in mitochondrial ROS, LPO, and mitochondrial swelling were also evident in sulfasalazine-treated groups. Current data suggested that oxidative stress and mitochondrial injury might be involved in the mechanism of sulfasalazine-induced renal injury. PMID- 29214869 TI - The Relationship Between the Personality Inventory for the DSM-5 (PID-5) and the Psychotic Disorder in a Clinical Sample. AB - Recent studies have successfully investigated the validity of the DSM-5 Alternative Model for Personality Disorders. In a final sample of 174 psychiatric patients, the present study examined the relationship between the Personality Inventory for the DSM-5 (PID-5) and syndromal psychosis. Results showed that patients diagnosed with versus without a psychotic disorder significantly differed on all PID-5 domains except Antagonism. Discriminant function analysis indicated that lower Detachment, lower Negative Affect, lower Disinhibition, and higher Psychoticism best discriminated patients with a psychotic disorder from patients with other psychiatric conditions. Subsequent stepwise discriminant analysis on all facet scales of the contributing PID-5 domains revealed that higher Unusual Beliefs, lower Depressivity, and lower Distractibility contributed the most to this differentiation. PID-5 Psychoticism scores showed moderate correlations with current psychotic symptoms and were not influenced by dose of antipsychotic medication. Our results support the ability of the PID-5 to discriminate between patients with and without psychotic disorder. PMID- 29214870 TI - Advances in cell-free protein array methods. AB - INTRODUCTION: Cell-free protein microarrays represent a special form of protein microarray which display proteins made fresh at the time of the experiment, avoiding storage and denaturation. They have been used increasingly in basic and translational research over the past decade to study protein-protein interactions, the pathogen-host relationship, post-translational modifications, and antibody biomarkers of different human diseases. Their role in the first blood-based diagnostic test for early stage breast cancer highlights their value in managing human health. Cell-free protein microarrays will continue to evolve to become widespread tools for research and clinical management. Areas covered: We review the advantages and disadvantages of different cell-free protein arrays, with an emphasis on the methods that have been studied in the last five years. We also discuss the applications of each microarray method. Expert commentary: Given the growing roles and impact of cell-free protein microarrays in research and medicine, we discuss: 1) the current technical and practical limitations of cell free protein microarrays; 2) the biomarker discovery and verification pipeline using protein microarrays; and 3) how cell-free protein microarrays will advance over the next five years, both in their technology and applications. PMID- 29214871 TI - Rare manifestations of extramedullary myeloma: testicular plasmacytomas. PMID- 29214873 TI - A highly sensitive miR-195 nanobiosensor for early detection of Parkinson's disease. AB - Early detection of Parkinson's disease (PD), as a dangerous neurodegenerative disease, is a key factor in the therapy or prevention of further development of this disease. We developed an electrochemical nanobiosensor for early detection of PD based on the quantification of circulating biomarker, miR-195. Exfoliated graphene oxide (EGO) and gold nanowires (GNWs) were used to modify the surface of screen-printed carbon electrode. A single-strand thiolated probe was designed for specific hybridization with target miRNA (miR-195), and doxorubicin was used as an electrochemical indicator for differential pulse voltammetry measurements. The results of scanning electron microscope imaging and cyclic voltammetry experiments confirmed the accuracy of the working electrode modification steps. The results of analytical performance nanobiosensor showed a high sensitivity of the biosensing with 2.9 femtomolar detection limit and dynamic range of 10.0 900.0 femtomolar. In addition, good selectivity for target miRNA over non specific oligonucleotides (one and three base replacement in target miRNA, and non-complementary) was achieved. The results of real human serum analysis did not show any interference in the function of the biosensor. Based on the results, the miR-195 electrochemical nanobiosensor could be suggested for clinicians in the medical diagnosis of PD. PMID- 29214872 TI - Measuring reliable change in cognition using the Edinburgh Cognitive and Behavioural ALS Screen (ECAS). AB - BACKGROUND: Cognitive impairment affects approximately 50% of people with amyotrophic lateral sclerosis (ALS). Research has indicated that impairment may worsen with disease progression. The Edinburgh Cognitive and Behavioural ALS Screen (ECAS) was designed to measure neuropsychological functioning in ALS, with its alternate forms (ECAS-A, B, and C) allowing for serial assessment over time. OBJECTIVE: The aim of the present study was to establish reliable change scores for the alternate forms of the ECAS, and to explore practice effects and test retest reliability of the ECAS's alternate forms. METHOD: Eighty healthy participants were recruited, with 57 completing two and 51 completing three assessments. Participants were administered alternate versions of the ECAS serially (A-B-C) at four-month intervals. Intra-class correlation analysis was employed to explore test-retest reliability, while analysis of variance was used to examine the presence of practice effects. Reliable change indices (RCI) and regression-based methods were utilized to establish change scores for the ECAS alternate forms. RESULTS: Test-retest reliability was excellent for ALS Specific, ALS Non-Specific, and ECAS Total scores of the combined ECAS A, B, and C (all > .90). No significant practice effects were observed over the three testing sessions. RCI and regression-based methods produced similar change scores. CONCLUSION: The alternate forms of the ECAS possess excellent test-retest reliability in a healthy control sample, with no significant practice effects. The use of conservative RCI scores is recommended. Therefore, a change of >=8, >=4, and >=9 for ALS Specific, ALS Non-Specific, and ECAS Total score is required for reliable change. PMID- 29214874 TI - Immunophenotypic and laboratory features of t(11;14)(q13;q32)-positive plasma cell neoplasms. AB - The t(11;14)(q13;32)-positive plasma cell neoplasms (PCNs) are common. In light of their lymphoplasmacytoid features and CD20 expression, we speculated that they may share laboratory features with B-cell lymphomas with plasmacytic differentiation (BCL-PCDs). We investigated flow cytometric CD19 and CD45 expression, DNA ploidy index and M-protein subtype in 416 t(11;14)-positive PCNs, as well as control groups (88 BCL-PCDs and 81 t(11;14)-negative PCNs). The plasma cells from the t(11;14)-positive PCNs were largely CD19-/CD45-, similar to the t(11;14)-negative PCNs and unlike the BCL-PCD plasma cells (p < .0001). 79% of the t(11;14)-positive PCNs were diploid, which was significantly more than in t(11;14)-negative PCNs (p < .0001) and significantly less than in the BCL-PCDs (p < .001). Although IgM secretion was common in BCL-PCDs (80%) and rare in PCNs (3%), most IgM PCNs (92%) were t(11;14)-positive. These findings may be helpful in evaluating specimens with clonal plasma cells in the reference laboratory setting. PMID- 29214875 TI - Genetic polymorphisms of arylamine N-acetyltransferases 1 and 2 and the likelihood of developing pediatric acute lymphoblastic leukemia. AB - Acute lymphoblastic leukemia (ALL) is one of the main causes of death in children and is associated with both genetic susceptibility and environmental factors. Genes encoding the arylamine N-acetyltransferases 1 and 2 (NAT1 and NAT2) isoenzymes are highly polymorphic among populations. Single-nucleotide polymorphism analysis was performed by real-time polymerase chain reaction from the genomic DNA of 225 healthy subjects and 57 children with ALL diagnoses. Significant associations were found between the development of ALL and the presence of the haplotypes NAT1*3 (Odds ratio [OR], 2.1), NAT1*4 (OR, 1.92), NAT2*6B (OR, 3.30), NAT2*6J (OR, 3.25) and NAT2*7A (OR, 2.45) and the NAT1 rapid (OR, 6.69) and NAT2 slow phenotypes (OR, 2.95). Our results indicate that haplotypes that provide rapid NAT1 and slow NAT2 acetylating phenotypes may influence the development of ALL in children. PMID- 29214876 TI - Assessing the risk of cardiac toxicity after contemporary treatment for Hodgkin lymphoma: a systematic review. PMID- 29214877 TI - A pair of enantiomeric 5-oxabicyclic[4.3.0]lactam derivatives and one new polyketide from the marine-derived fungus Penicillium griseofulvum. AB - A pair of enantiomeric 4-oxabicyclic[4.3.0]lactam derivatives, (+)- and (-) penicilactam A (1), and one new polyketide derivative penicitrinone F (2) were isolated from the marine-derived fungus Penicillium griseofulvum GT-10. Their structures and absolute configurations were elucidated through extensive spectroscopic analyses combined with the calculated ECD spectra. Penicitrinone F (2) had moderate inhibitory activity towards Bacillus subtilis with a MIC value of 6.3 MUM. PMID- 29214878 TI - Combination of IKZF1 deletion and early molecular response show significant roles on prognostic stratification in Philadelphia chromosome-positive acute lymphoblastic leukemia patients. AB - We retrospectively analyzed the samples collected from 66 patients with Ph+ALL enrolled on ChiCTR-TNRC-09000309 clinical trial. CR rate was 95.5%, and estimated 2-year OS and DFS were 51.7 +/- 11.7% and 26.9 +/- 11.6%, 3-year OS and DFS were 31.6 +/- 12.0% and 23.4 +/- 11.6%. By combining IKZF1 deletion and early molecular responses, we redefined the patients as low, intermediate, and high risk 3 groups separately. Patients with double negative in IKZF1 and early molecular response experienced significant superior survival, while patients with double positive would have the worst outcome, and patients who were one or the other with IKZF1 deletion or MRD status had intermediate outcome. Significant differences were found among 3 groups in regard to both OS (p < .001) and DFS (p < .001). Our findings suggest that Ph+ALL is a heterogeneous group of diseases with significantly different prognosis. Combination of IKZF1 deletion and MRD status enable better risk stratification of patients for assignment to optimal therapeutic strategies. PMID- 29214879 TI - Inappropriate treatment in Helicobacter pylori eradication failure: a retrospective study. AB - BACKGROUND: In recent years, success rates of empirical H. pylori therapies have fallen in many countries. Although antibiotic resistance and poor adherence are described as the main factors for treatment failure, in China, iatrogenic factors also play an important role. OBJECTIVE: To investigate why patients experienced multiple failures, we performed a retrospective, single center study using questionnaires to identify causes of treatment failure other than antibiotic resistance. METHODS: This study was conducted from January 2016 to July 2017 in a general hospital. Patients with at least two H. pylori treatment failures who completed the questionnaire were entered. The survey covered characteristics of the study population, regimens used, and adherence to therapy. RESULTS: Two hundred and ninety three patients were included in the final analysis. The top three most antibiotic combinations as the first-line treatment were a PPI plus clarithromycin-metronidazole (24.6%, 72/293), clarithromycin-levofloxacin (23.5%, 69/293) and clarithromycin-amoxicillin (21.5%, 63/293). Clarithromycin-containing regimens were repeatedly used in 178 patients (60.8%) and levofloxacin-containing regimens repeatedly in 88 patients (30.0%). Fifty patients (17.1%) had poor adherence per treatment history and 32 (10.9%) stopped treatment because of nonmedical reasons. CONCLUSIONS: In order to increase the success of H. pylori eradication therapy, the effect of prior therapies needs to be given more consideration. Patient education to enhance adherence also needs to be improved. PMID- 29214881 TI - Ecotopic viral integration site 1 (EVI1) transcriptionally targets talin1 (TLN1) and upregulates its expression in chronic myeloid leukemia. PMID- 29214880 TI - Low ascitic fluid total protein levels is not associated to the development of spontaneous bacterial peritonitis in a cohort of 274 patients with cirrhosis. AB - BACKGROUND: Spontaneous bacterial peritonitis (SBP) is a complication to decompensated cirrhosis. Fluoroquinolones may prevent SBP. However, predictive markers for SBP are wanted. Guidelines suggest that patients with ascitic fluid protein below 15 g/l receive fluoroquinolones to prevent SBP. This study aimed to assess the clinical utility of low ascitic fluid protein in predicting SBP in patients with cirrhosis and ascites. METHODS: A total of 274 patients with cirrhosis and ascites underwent paracentesis between January 2010 and June 2015. Patients were followed until two years, development of SBP, initiation of ciprofloxacin, death or liver transplantation. Data were compared between groups of patients with 'high' or 'low' ascitic protein. RESULTS: SBP developed in 31 patients (11.3%). No difference in mean ascitic fluid protein levels were found (SBP, mean: 8.5 g/l and no SBP 8.2 g/l, p = .825). SBP developed at equal rates in patients with 'high' or 'low' ascitic protein (10.8% (<=15 g/l) and 14.0% (>15 g/l), p = .599). The same trend was observed when adjusting the threshold below 10 g/l (11.9% (<=10 g/l) and 10.2% (>10 g/l), p = .697). CONCLUSIONS: Low ascitic fluid protein does not predict SBP in patients with cirrhosis and ascites. Better markers are needed. PMID- 29214882 TI - Breakthrough Saprochaete Capitata infections among patients with hematological malignancies. PMID- 29214883 TI - Longitudinal structural changes in ALS: a three time-point imaging study of white and gray matter degeneration. AB - BACKGROUND: Cross-sectional imaging studies offer valuable pathological insights into the neurodegenerative changes of amyotrophic lateral sclerosis. However, clinical trials urgently require sensitive monitoring markers that can detect subtle progressive changes over relatively short periods of time. We have conducted a three time-point longitudinal study to explore anatomical patterns of disease spread and to determine whether MRI metrics capture longitudinal changes over four and eight-month intervals. METHODS: Thirty-two ALS patients were enrolled into a multiparametric imaging study to evaluate progressive cortical thickness, grey matter density and white matter alterations. Whole-brain and region-of-interest analyses were conducted in the precentral gyrus, corticospinal tracts, corpus callosum and cerebellum. Additionally, pre-symptomatic changes were explored in patients with no bulbar or lower limb disability. RESULTS: Our findings suggest that considerable white matter degeneration can be detected early in the course of the disease which shows limited progression over time, whereas grey matter pathology is relatively limited at baseline and exhibits relentless progression. Moreover, progressive presymptomatic structural changes can be identified in the bulbar and lower limb representations of the precentral gyrus. CONCLUSIONS: Our longitudinal imaging study confirms that MRI metrics readily capture progressive changes in ALS. Our data also indicate that white matter metrics are of potential use as diagnostic markers, and grey matter measures may be superior as monitoring biomarkers. One of the most interesting findings of our study is the gradually progressive cerebellar grey matter degeneration throughout the three time-points. PMID- 29214884 TI - Adjuvant intraperitoneal chemotherapy for the treatment of colorectal cancer at risk for peritoneal carcinomatosis: a systematic review. AB - BACKGROUND: The peritoneal surface is the second most common site of disease recurrence, after the liver, following definitive surgery for colorectal cancer. Adjuvant intraperitoneal (IP) chemotherapy delivered at time of surgical resection has the potential to delay or prevent future spread to the peritoneal surface and improve clinical outcome. The exact role of adjuvant IP chemotherapy in colorectal cancer, including its associated morbidity and mortality, is not well defined. STUDY DESIGN: Systematic review and pooled random effect analysis of comparative trials examining the addition of adjuvant IP chemotherapy compared to surgery alone in colorectal cancer. The primary outcome was overall survival, and the secondary outcomes were of post-operative morbidity and mortality. RESULTS: In nine colorectal cancer studies identified, seven were two-arm trials comparing adjuvant IP chemotherapy to surgery alone. Of these, four trials had outcome reporting and met criteria that allowed inclusion into a random effects model. Heterogeneity was measured by Cochran's Q-test (Q = 13.9; p = 0.01) and random effect models were utilised. Pooling eligible trials together revealed a 0.55 odds ratio of death associated with the administration of IP chemotherapy compared to surgery alone (CI = 0.31, 0.98; p = 0.04). Trials selecting patients at elevated risk for the development of peritoneal carcinomatosis by clinicopathological biomarkers for administration of adjuvant IP chemotherapy reported more favourable overall outcomes. There was no increase in mortalities or IP chemotherapy-related abdominal complication rates among patients undergoing IP chemotherapy (OR = 1.4; CI = 0.52, 3.8; p = 0.5). CONCLUSIONS: This systematic review supports the use of adjuvant IP chemotherapy in resectable colorectal cancer at risk for peritoneal spread. Future trials should seek to standardise inclusion criteria and IP chemotherapy modalities to better define the role of this treatment in patients with resectable colorectal cancer. PMID- 29214885 TI - Short-term efficacy of potassium-competitive acid blocker following gastric endoscopic submucosal dissection: a propensity score analysis. AB - BACKGROUND: Endoscopic submucosal dissection (ESD) is a promising method for the resection of superficial gastric neoplasms. Vonoprazan is a novel potassium competitive acid blocker (P-CAB) that is currently considered as a potential alternative to proton pump inhibitors (PPIs) for the treatment of acid-related diseases. However, the utility of vonoprazan in ESD-related ulcers is unclear. Therefore, we compared the short-term efficacies of vonoprazan and the PPI lansoprazole in ESD-related ulcer healing during the first two weeks following intervention. METHODS: This study included 115 superficial gastric neoplasms that were treated by ESD at Hiraka General Hospital between April 2015 and January 2017. Patients treated with P-CAB (20 mg vonoprazan, n = 62) or PPI (30 mg lansoprazole, n = 53) were compared using propensity-score matching analysis. Primary outcome was rate of ulcer reduction at two weeks after ESD. Secondary outcomes were coverage ratio of ulcer base by granulation tissue and incidence of postoperative bleeding. RESULTS: The rate of ulcer reduction was significantly higher (median [range], 80.6% [67.6%-94.5%] vs. 62.7% [33.4%-85.2%]; p < .0001) and coverage ratio of the ulcer base by granulation tissue was significantly accelerated (median [range], 84.1% [67.7%-95.3%] vs. 61.9% [12.1%-90.1%]; P < 0.0001) in the P-CAB group compared with the PPI group. Postoperative bleeding was not observed in either group. CONCLUSIONS: P-CAB achieved rapid artificial ulcer healing with promotion of granulation tissue formation. However, conventional PPI with initial intravenous infusion might be sufficient for prevention of postoperative bleeding following gastric ESD. PMID- 29214886 TI - Clinical and molecular aspects of lead toxicity: An update. AB - Lead toxicity is a major public health issue in developed and developing countries. Both acute and chronic lead exposure has the potential to cause many deleterious systematic effects including hypertension, frank anemia, cognitive deficits, infertility, immune imbalances, delayed skeletal and deciduous dental development, vitamin D deficiency, and gastrointestinal effects. The underlying mechanisms for all these systemic effects have not been elucidated completely. However, the most plausible cause is free radical damage. In addition to this, lead being a divalent cation can surrogate for calcium at multiple levels affecting various cell signaling pathways. The molecular basis of lead exposure resulting in various systemic effects is being extensively explored. The reports include single nucleotide polymorphisms, epigenetic modifications in susceptible individuals, and the most recent reports also feature regulatory RNA molecules - miRNAs. However, many genetic targets are identified, but their possible mechanisms are still an area to be explored. Additional studies are needed in different population groups to validate the existing findings, as well as to find newer targets that may help in better understanding the molecular mechanisms contributing to lead toxicity. Furthermore, newer strategies for lead risk assessment becomes necessary as the previously recognized "safe" level of lead is also being found to be associated with negative health outcomes. PMID- 29214888 TI - Minimally invasive surgical approach for radicalization of incidental post cholecystectomy gallbladder carcinoma: safety, feasibility and outcomes. AB - BACKGROUND AND AIMS: Gallbladder carcinoma is a rare but aggressive malignant neoplasm. The incidence of intra- or post-operative incidental gallbladder carcinoma diagnosis following laparoscopic cholecystectomy is estimated to be 1 2%. Aggressive re-resection is warranted as the majority of patients have residual disease either in the liver or the lymph nodes. However the use of a minimally invasive surgical approach (MISA) to perform a radicalization in these patients has not been investigated yet. We retrospectively analyzed surgical and oncologic outcome of a small selected cohort of patients with incidental gallbladder carcinoma whom underwent redo radicalization surgery by MISA. MATERIAL AND METHODS: From April 2012 to June 2014 at our department six patients (three females and three males) with incidental findings of gallbladder carcinoma pT1b (stage I) following laparoscopic cholecystectomy, and referred to our center from other secondary-level referral hospitals, underwent a redo surgery for radicalization by means of laparoscopic (n. 3) or robotic approach (n. 3). A retrospective analysis of prospective collected data was performed. RESULTS: The redo procedure consisted of a liver resection (segments IVb + V) and lymph nodes clearance of hepatoduodenal hilum and common hepatic artery. Conversion rate was zero. Median operative time was 290 (250-310) min. Estimate blood loss was 175 (100-350) ml. Total hospital stay was 6 (5-10) days. All liver resections were performed without inflow vascular clamping. One patient was re-operated for hemoperitoneum while peri-operative mortality was zero. Oncologically, an R0 resection was always achieved with a mean number of lymph nodes retrieved of 17,5 (14-22). The stage of the neoplasm was confirmed in all cases but one, who was found to have a pN1 status (stage IIIb). At 21 (6-32) months follow-up all patients are alive and no recurrence has been observed. CONCLUSIONS: Our data suggest that radicalization of patients with stage I incidental postoperative gallbladder carcinoma can be done by a MISA without compromising the oncologic outcome. Larger studies are needed to validate these results. PMID- 29214887 TI - Enhanced efficacy of curcumin with phosphatidylserine-decorated nanoparticles in the treatment of hepatic fibrosis. AB - Hepatic macrophages have been considered as a therapeutic target for liver fibrosis treatment, and phosphatidylserine (PS)-containing nanoparticles are commonly used to mimic apoptotic cells that can specifically regulate macrophage functions, resulting in anti-inflammatory effects. This study was designed to test the efficacy of PS-modified nanostructured lipid carriers (mNLCs) containing curcumin (Cur) (Cur-mNLCs) in the treatment of liver fibrosis in a rat model. Carbon tetrachloride-induced liver fibrosis in rats was used as an experimental model, and the severity of the disease was examined by both biochemical and histological methods. Here, we showed that mNLCs were spherical nanoparticles with decreased negative zeta potentials due to PS decoration, and significantly increased both mean residence time and area under the curve of Cur. In the rats with liver fibrosis, PS-modification of NLCs enhanced the nanoparticles targeting to the diseased liver, which was evidenced by their highest accumulation in the liver. As compared to all the controls, Cur-mNLCs were significantly more effective at reducing the liver damage and fibrosis, which were indicated by in Cur-mNLCs-treated rats the least increase in liver enzymes and pro-inflammatory cytokines in the circulation, along with the least increase in collagen fibers and alpha smooth muscle actin and the most increased hepatocyte growth factors (HGF) and matrix metalloprotease (MMP) two in the livers. In conclusion, PS modified NLCs nanoparticles prolonged the retention time of Cur, and enhanced its bioavailability and delivery efficiency to the livers, resulting in reduced liver fibrosis and up-regulating hepatic expression of HGF and MMP-2. PMID- 29214889 TI - Cell-Seeded Adhesive Biomaterial for Repair of Annulus Fibrosus Defects in Intervertebral Discs. AB - Defects in the annulus fibrosus (AF) of intervertebral discs allow nucleus pulposus tissue to herniate causing painful disability. Microdiscectomy procedures remove herniated tissue fragments, but unrepaired defects remain allowing reherniation or progressive degeneration. Cell therapies show promise to enhance repair, but methods are undeveloped and carriers are required to prevent cell leakage. To address this challenge, this study developed and evaluated genipin-crosslinked fibrin (FibGen) as an adhesive cell carrier optimized for AF repair that can deliver cells, match AF material properties, and have low risk of extrusion during loading. Part 1 determined that feasibility of bovine AF cells encapsulated in high concentration FibGen (F140G6: 140 mg/mL fibrinogen; 6 mg/mL genipin) for 7 weeks could maintain high viability, but had little proliferation or matrix deposition. Part 2 screened tissue mechanics and in situ failure testing of nine FibGen formulations (fibrin: 35-140 mg/mL; genipin: 1-6 mg/mL). F140G6 formulation matched AF shear and compressive properties and significantly improved failure strength in situ. Formulations with reduced genipin also exhibited satisfactory material properties and failure behaviors warranting further biological screening. Part 3 screened AF cells encapsulated in four FibGen formulations for 1 week and found that reduced genipin concentrations increased cell viability and glycosaminoglycan production. F70G1 (70 mg/mL fibrinogen; 1 mg/mL genipin) demonstrated balanced biological and biomechanical performance warranting further testing. We conclude that FibGen has potential to serve as an adhesive cell carrier to repair AF defects with formulations that can be tuned to enhance biomechanical and biological performance; future studies are required to develop strategies to enhance matrix production. PMID- 29214891 TI - Core competencies in clinical neuropsychology training across the world. AB - OBJECTIVE: This work aimed to review main competency requirements from training models in countries with well-established specialties in clinical neuropsychology and to extract core competencies that likely will apply to clinical neuropsychologists regardless of regional and cultural context. METHOD: We reviewed standards for post-graduate training in clinical neuropsychology from countries in Europe, Australia, and North America based on existing literature, presentations at international conferences, and from description of the training models from national psychological or neuropsychological associations. RESULTS: Despite differences, the reviewed models share similar core competencies considered necessary for a specialty in clinical neuropsychology: (1) In-depth knowledge of general psychology including clinical psychology (post-graduate level), ethical, and legal standards. (2) Expert knowledge about clinically relevant brain-behavioral relationships. (3) Comprehensive knowledge about, and skills in, related clinical disciplines. (4) In-depth knowledge about and skills in neuropsychological assessment, including decision-making and diagnostic competency according to current classification of diseases. (5) Competencies in the area of diversity and culture in relation to clinical neuropsychology. (6) Communication competency of neuropsychological findings and test results to relevant and diverse audiences. (7) Knowledge about and skills in psychological and neuropsychological intervention, including treatment and rehabilitation. CONCLUSIONS: All the models have undergone years of development in accordance with requirements of national health care systems in different parts of the world. Despite differences, the common core competency requirements across different regions of the world suggest generalizability of these competencies. We hope this summary can be useful as countries with less established neuropsychology training programs develop their models. PMID- 29214892 TI - Rutin hydrate ameliorates cadmium chloride-induced spatial memory loss and neural apoptosis in rats by enhancing levels of acetylcholine, inhibiting JNK and ERK1/2 activation and activating mTOR signalling. AB - This study aimed at studying the potential neuroprotective effect of Rutin hydrate (RH) alone or in conjugation with alpha-tocopherol against cadmium chloride (CdCl2)-induced neurotoxicity and cognitive impairment in rats and to investigate the mechanisms of action. Rats intoxicated with CdCl2 were treated with the vehicle, RH, alpha-tocopherol or combined treatment were examined, and compared to control rats received vehicle or individual doses of either drug. Data confirmed that RH improves spatial memory function by increasing acetylcholine availability, boosting endogenous antioxidant potential, activating cell survival and inhibiting apoptotic pathways, an effect that is more effective when RH was conjugated with alpha-tocopherol. Mechanism of RH action includes activation of PP2A mediated inhibiting of ERK1/2 and JNK apoptotic pathways and inhibition of PTEN mediated activation of mTOR survival pathway. In conclusion, RH affords a potent neuroprotection against CdCl2-induced brain damage and memory dysfunction and co-administration of alpha-tocopherol enhances its activity. PMID- 29214893 TI - Educational DVD for parents of children with congenital heart disease - a pilot study. AB - Parental knowledge regarding their child's congenital heart defect (CHD) is limited. This study developed and evaluated an interactive DVD that helped parents to understand their child's CHD. A DVD describing four cardiac abnormalities was created using videos and Adobe Flash. The parents' knowledge was assessed via a questionnaire before and after receiving the DVD. A control group did not receive the DVD. The DVDs were successfully created and improved the parental knowledge of their child's cardiac anomaly. The pilot study suggests the need for further development of DVDs to describe additional abnormalities, whilst incorporating local management and outcomes. PMID- 29214890 TI - Electronic cigarettes: an aid in smoking cessation, or a new health hazard? AB - The issue of electronic cigarettes is one of the most controversial topics in public health. There is intense debate and dividing opinions about their use patterns, health effects and association with smoking. This is expected since they were only recently introduced to the market and they refer to a harm reduction approach and strategy that is not universally accepted for smoking and tobacco use in the public health community. Three main factors determine the public health impact of electronic cigarettes: (1) their safety/risk profile, both relative to smoking and in absolute terms; (2) their effectiveness for smoking reduction and cessation; (3) the patterns of use by different population subgroups, especially never-smokers, and adoption of use by youth. This analysis presents a brief overview of currently available evidence and gaps in research covering these three factors. PMID- 29214894 TI - Phenolic content and in vitro antifungal activity of unripe grape extracts from agro-industrial wastes. AB - The antifungal activity of unripe grape extracts from agro-industrial wastes has been evaluated against several strains of Candida spp. and dermatophytes. All the extracts tested showed antifungal activity. The geometric mean MIC ranged from 53.58 to 214.31 MUg/mL for Candida spp. and from 43.54 to 133.02 MUg/mL for dermatophytes. The chemical analyses have been carried out using Liquid Chromatograph equipped with a DAD and MS detectors. Flavan-3-ols were the main metabolites within all samples ranged from 3.3 to 6.8 mg/g fresh weight. For Candida spp. highest negative significant correlation has been found between MICs and polymeric flavan-3-ols (r = -0.842; p < 0.001) and for dermatophytes between MICs and caffeoyl derivatives (r = -0.962; p < 0.01). The results indicate that total extracts obtained from unripe grapes, a large source of waste material derived from the wine industry, could be used as a cheap source of value-added products. PMID- 29214896 TI - Outcome evaluation on cochlear implant users with residual hearing. AB - OBJECTIVES: The performance outcome with FreedomTM HybridTM versus the CP900 series sound processor with Hybrid Hearing was investigated. In addition, a preliminary evaluation was conducted to consider the feasibility of upgrading experienced electric-only cochlear implant (CI) users who had substantial residual hearing to Hybrid Hearing. METHODS: This study was a single-centre prospective, non-inferiority design with repeated measures conducted at Hannover Medical School (MHH). The randomized AABB cross-over design to compensate for learning effects included two test groups. Group 1 compared two systems for Hybrid Hearing (Freedom Hybrid sound processor versus CP900 series sound processor) and Group 2 compared CP900 series sound processor (electric-only) versus the CP900 with Hybrid Hearing in experienced CI users who had confirmed residual low-frequency hearing. Groups 1 and 2 were composed of different participants. RESULTS: Group 1 (n = 24) performance on speech perception tests was equivalent or superior with the CP900 series sound processor showing a statistically significant mean improvement of 1.87 dB in background noise (P < 0.001). The mean speech understanding in quiet showed a better performance by 5% (P = 0.064) for participants tested with the CP900. The patient-reported outcome questionnaire confirmed the beneficial performance with the CP900 series sound processor with Hybrid Hearing. The feasibility portion of the study (Group 2, n = 14) showed an average benefit of 0.54 dB in background noise when using the CP900 with Hybrid Hearing function versus electric-only stimulation. CONCLUSIONS: The outcome presents sufficient evidence to show the effectiveness of the CP900 series sound processor with Hybrid Hearing over the Freedom Hybrid for participants with substantial residual hearing. Positive outcomes were observed for improved speech understanding and subjective hearing performance. Further, a trend was demonstrated in the data towards better performance with CP900 with Hybrid Hearing versus electric-only stimulation. Hybrid Hearing users showed a clinically relevant and statistically a significant benefit from the current CP900 series sound processor generation supporting its recommendation, on a case by-case basis, to current electric-only users. More research is needed to confirm these findings. PMID- 29214897 TI - SS-31 peptide enables mitochondrial targeting drug delivery: a promising therapeutic alteration to prevent hair cell damage from aminoglycosides. AB - Aminoglycoside-induced hearing loss stems from damage or loss of mechanosensory hair cells in the inner ear. Intrinsic mitochondrial cell death pathway plays a key role in that cellular dysfunction for which no proven effective therapies against oto-toxicities exist. Therefore, the aim of the present study was to develop a new mitochondrial targeting drug delivery system (DDS) that provided improved protection from gentamicin. Particularly, SS-31 peptide-conjugated geranylgeranylacetone (GGA) loaded poly(lactic-co-glycolic acid) (PLGA) nanoparticles were constructed successfully via emulsion-solvent evaporation method. The zebrafish lateral line sensory system was used as an in vivo evaluating platform to investigate the protective efficiency against gentamicin. SS-31 modification significantly reduced the activity of mechanoelectrical transduction (MET) channel and gentamicin uptake in zebrafish lateral line hair cells. As expected, SS-31 conjugated nanoparticles showed mitochondrial specific accumulation in hair cells when compared with unconjugated formulations. Furthermore, intracellular SS-31 modified PLGA NPs slightly enhanced mitochondrial membrane potential (MMP, DeltaPsim) and then returned to a steady state, indicating their effect on the respiratory chain complexes in mitochondria. GGA loaded SS-31 conjugated nanoparticles demonstrated the most favorable hair cells survivals against gentamicin when compared with unconjugated groups whereas blank formulations failed to exhibit potency, indicating that the efficiency was attributed to drug delivery of GGA. These results suggest that our constructed mitochondria-targeting PLGA based DDS have potential application in protecting hair cells from ototoxic agents. PMID- 29214898 TI - Bio-width index: a novel biomarker for prognostication of long term outcomes in patients with anaemia and heart failure. AB - BACKGROUND: The utility of biomarkers for prognostication of long term outcomes in patients with anaemia and heart failure(HF) is not well defined. The objective of this study was to assess the ability of a novel biomarker, bio-width index (BWI),to improve risk stratification in patients with anaemia and acutely decompensated heart failure(ADHF), in comparison to conventional markers, B-type natriuretic peptide(BNP) and red- cell distribution width(RDW). METHODS: Data from 1569 consecutive patients with ADHF treated at a multidisciplinary HF unit was analysed in this study. The bio-width index (BWI) was calculated by multiplying BNP to RDW and dividing the product by 10 (BWI = BNP x RDW/10). The primary outcome was one year all-cause mortality. RESULTS: During follow up (median 422 days), subjects with anaemia had significantly higher one year mortality (49.6 vs. 30.5%, p < .001). Cox regression analysis revealed that, BWI(HR 2.13, 95%CI 2.02-2.24, p = .018) as well as BNP(HR 1.86, 95%CI 1.78-1.94, p = .024), and RDW (HR 1.98, 95%CI 1.91-2.05, p = .033) were all independent predictors of one year mortality after adjusting for conventional risk factors. BWI had a higher discriminative ability compared to BNP(AUC 0.90 vs. 0.75, p < .001) and RDW(AUC 0.90 vs. 0.81, p = .012). The patients with higher BWI ( >1024.9) had a higher one year mortality(85.1 vs. 29.2%, p < .001). In addition, BWI significantly improved the net reclassification compared to both BNP(p = .002) and RDW(p = .018). CONCLUSIONS: In patients with anaemia and ADHF, bio width index is superior to the established biomarkers such as BNP and RDW in prognostication of long term mortality. PMID- 29214900 TI - Injury-related hospital admission of female firefighters in South Korea. AB - PURPOSE: The main objective of this study was to ascertain whether injury-related hospital admission in all South Korea female firefighters is greater than that in the general population. METHODS: To perform this comparison, the standardized admission ratios (SARs) and their 95% confidence intervals (CIs) were calculated by person-years and mortality computation software. RESULTS: Compared to the general population, the SARs for overall injury (SAR = 1.57, 95% CI [1.24, 1.96]) and for injury to the lower back (SAR = 2.78, 95% CI [1.81, 4.07]) in the female firefighters were significantly higher. The SARs for injury to the knee (SAR = 2.48, 95% CI [1.18, 4.55]) in emergency medical services (EMS) workers were significantly higher than those in the general population. CONCLUSIONS: Our study shows that the SARs of overall injury and injury to the lower back in female firefighters and knee injury in the EMS were significantly higher than those in the general population. Further studies are needed to protect the lower back of firefighters and the knees of EMS. PMID- 29214899 TI - Paid staff or volunteers - does it make a difference? The impact of staffing on child outcomes for children attending community-based programmes in South Africa and Malawi. AB - BACKGROUND: Globally, and in low and middle income countries (LMIC) specifically, there is a critical shortage of workers. The use of volunteers to support such care delivery systems has been examined, there is scant literature on the impact of volunteers on child outcome in high human immunodeficiency virus (HIV) affected communities. OBJECTIVES: To examine the differential impact of paid versus volunteer workforce in Community Based Organisations (CBOs) providing care to children and families affected by the HIV epidemic in South Africa and Malawi on child outcomes over time. METHODS: This study compared child outcomes for 989 consecutive children attending CBOs (0.7% refusal) at baseline and 854 at follow up (86.3% response rate). RESULTS: Children attending CBOs with paid staff had higher self-esteem, fewer emotional/behavioural problems and less perceived stigma. Likewise, children attending CBOs with paid staff had fewer educational risks, and 20 heightened cognitive performance, and the digit-span memory test. After controlling for outcome at baseline, gender, age, HIV status, and disability, attending a CBO with paid staff remained a significant independent predictor of higher self-esteem scores, less perceived stigma, as well as fewer educational risks and better performance on the drawing test. We found no associations between CBO attendance - paid or volunteer - and children's depressive and trauma symptoms. CONCLUSIONS: Our findings show that in order to most optimally impact on child outcome 30 community-based workers (CBWs) should ideally be paid with trained staff. Specialised input for more severe child difficulties is needed. PMID- 29214904 TI - Noise-induced hearing loss: what South African mineworkers know. AB - PURPOSE: The current study aimed to investigate the knowledge of mineworkers regarding noise-induced hearing loss in the South African gold and non-ferrous mining subsectors. METHOD: A descriptive research design was adopted. Semi structured interviews were conducted with 90 participants who comprised managers, supervisors and miners. Data were analysed qualitatively. RESULTS: The majority of participants (97%) acknowledged working in a noisy environment and demonstrated knowledge of the consequences of this exposure on their hearing function. Although all but one participant indicated having known the importance of using hearing protection devices (HPDs), less than 50% reported consistent use of HPDs. This highlights gaps in education and training, as well as implementation monitoring. All participants reported knowledge regarding the importance of hearing monitoring, but a lack of understanding of their test results. CONCLUSIONS: Current findings contribute towards evidence regarding internal barriers to effective application of best practice in hearing conservation programmes (HCPs). Findings highlight the important role of occupational audiologists in South African mines and the need for individualized education during medical surveillance to enhance efficacy of HCPs. Comprehensive education and training programmes regarding noise exposure and exposure measurements with consistent HPD efficiency assessments are recommendations emanating from these findings. PMID- 29214905 TI - The jungle book of neuropsychology: Disentangling the influence of feral childhood from adult brain injury in order to provide effective rehabilitation. AB - BACKGROUND AND AIMS: This article considers the complexities of neuropsychological assessment and rehabilitation in brain injury when the client is illiterate, is from a foreign culture with English as a second language, and reports highly atypical childhood feral experiences prior to injury. METHOD: MC was a 63-year-old woman referred for neuropsychological rehabilitation with a diagnosis of suspected St Louis encephalitis and global cognitive impairment. In formulating her clinical presentation, consideration was given to a reported history of feral childhood living with monkeys in the Colombian jungle and subsequent physical and emotional abuse. MC participated in comprehensive neuropsychological assessment and then targeted rehabilitation. RESULTS: Neuroimaging documented relatively focal damage in the right temporal lobe. MC's family described her as "the same but worse"; assessment and formulation indicated an exacerbation of attentional, pragmatic, arousal and executive weaknesses but with new memory and emotion recognition impairments. Rehabilitation techniques for communication and executive difficulties were successful despite the complexities of the case. CONCLUSIONS: The importance of carefully considered assessment and formulation in understanding MC's presentation is discussed. To the authors' knowledge, this is the only case of neuropsychological assessment and rehabilitation in brain injury involving a history of feral childhood. PMID- 29214907 TI - The ATTEND trial: An alternative explanation with implications for future recovery and rehabilitation clinical trials. AB - Over the past decade, ATTEND is one of only a handful of moderate to large-scale nonpharmacologic stroke recovery trials with a focus on rehabilitation. While unique in some respects, its test of superiority for the experimental intervention returned negative/neutral results, with no differences in outcome between the experimental intervention and an appropriate control group - a result not uncommon to the majority of moderate to large stroke rehabilitation intervention trials (i.e. six out of eight conducted in the past decade). The authors offer a number of potential explanations for the negative outcome, all of which have merit. We choose not to dwell on these possibilities, but rather offer a radically different explanation, one which has implications for future rehabilitation clinical trials. Our premise is that the process of neurorehabilitation is complex and multifaceted, but most importantly, for success, it requires a genuine collaboration between the patient and the clinician or caregiver to effect optimal recovery. This collaborative relationship must be defined by the unique perspective of each patient. By doing so, we acknowledge the importance of the individual patient's values, goals, perspectives, and capacity. Rehabilitation scientists can design what arguably is a scientifically sound intervention that is evidence-based and even with preliminary data supporting its efficacy, but if the patient does not value the target outcome, does not fully engage in the therapy, or does not expect the intervention to succeed, the likelihood of success is poor. We offer this opinion, not to be critical, but to suggest a paradigm shift in the way in which we conduct stroke recovery and rehabilitation trials. PMID- 29214906 TI - Lingua patientis: new words for patient communication and history taking. AB - The English language sometimes fails in its ability to describe the severity or complexity of medical symptoms and complaints. In frustration, patients (or families) occasionally create new words to convey the subtleties of their medical history. Although medicine has created a comprehensive technical lexicon for physicians, we have failed to develop a corresponding patient-centric vocabulary (lingua patientis) that provides more accurate symptom description. The social networking of lingua patientis words might enhance history taking and afford improved appreciation of disease impact on individual patients. The English language is renowned for its capacity for flexibility and adaptability - we need to exploit this capacity for the benefit of our patients. PMID- 29214908 TI - Prospective memory in first-degree relatives of patients with schizophrenia. AB - OBJECTIVES: Among various cognitive impairments in schizophrenia, prospective memory (ProM) deficit is unequivocally established. However, there is a paucity of research examining whether ProM impairment can be considered a cognitive endophenotypic marker in schizophrenia. An important step toward this is to assess the status of ProM in first-degree relatives (FDRs) of patients with schizophrenia. Keeping this in view, present study has been conducted to assess event- and time-based ProM in FDRs of patients with schizophrenia. METHODS: Twenty patients with schizophrenia, 20 FDRs of these patients, and 20 nonpsychiatric (healthy) controls were administered event- and time-based ProM tasks. RESULTS: Findings show that the FDRs had poorer performance on event-based ProM task in comparison to healthy controls. On time-based task, though the FDRs performed poorly in comparison to healthy controls the difference was statistically non-significant. The patient group performed poorer than healthy controls on both event- and time-based tasks. CONCLUSIONS: Findings of the present study indicate that the FDRs of patients with schizophrenia exhibit ProM impairment, though to a lesser degree than the patients with schizophrenia. PMID- 29214913 TI - In Memoriam. PMID- 29214909 TI - Technology-Enhanced Learning Opportunities. PMID- 29214914 TI - Folk Healers and Nurse Theorists. PMID- 29214916 TI - The Game Is Fair Play: A Kind Reminder to Scientists About Their Role in Keeping Science Running. PMID- 29214917 TI - Programme potential for the prevention of and response to sexual violence among female refugees: a literature review. AB - Continuing international conflict has resulted in several million people seeking asylum in other countries each year, over half of whom are women. Their reception and security in overburdened camps, combined with limited information and protection, increases their risk and exposure to sexual violence (SV). This literature review explores the opportunities to address SV against female refugees, with a particular focus on low-resource settings. A systematic literature review of articles published between 2000 and 2016 was conducted following PRISMA guidelines. Databases including Medline (Ovid), PubMed, Scopus, PsychINFO, CINAHL and the Cochrane Library. Grey literature from key refugee websites were searched. Studies were reviewed for quality and analysed according to the framework outlined in the UNHCR Guidelines on Prevention and Response of Sexual Violence against Refugees. Twenty-nine studies met the inclusion criteria, of which 7 studies addressed prevention, 14 studies response and 8 addressed both. There are limited numbers of rigorously evaluated SV prevention and response interventions available, especially in the context of displacement. However, emerging evidence shows that placing a stronger emphasis on programmes in the category of engagement/participation and training/education has the potential to target underlying causes of SV. SV against female refugees is caused by factors including lack of information and gender inequality. This review suggests that SV interventions that engage community members in their design and delivery, address harmful gender norms through education and advocacy, and facilitate strong cooperation between stakeholders, could maximise the efficient use of limited resources. PMID- 29214918 TI - Effects of knee orthosis adjustment on biomechanical performance and clinical outcome in patients with medial knee osteoarthritis. AB - BACKGROUND: Valgus bracing in medial knee osteoarthritis aims to improve gait function by reducing the loading of the medial compartment. Orthosis composition and optimal adjustment is essential to achieve biomechanical and clinical effectiveness. OBJECTIVES: To investigate biomechanical functionality during gait, pain relief and compliance in patients with knee osteoarthritis using a lightweight adjustable knee unloader orthosis. STUDY DESIGN: Prospective observational clinical trial. METHODS: Instrumented gait analysis in 22 patients with unilateral medial knee osteoarthritis was performed after a 2-week orthosis acclimatisation period. Kinematics and kinetics during gait as well as force transmission from the orthosis to the knee were analysed. Measurements were performed without, at individualised and at reduced orthosis setting. The assessment was supplemented by patient-related pain sensation and compliance questionnaires. RESULTS: Orthosis wear significantly reduced the knee adduction moment by up to 20% depending on orthosis adjustment, whereas pain sensation was significantly reduced by 16%. A significant positive correlation was found between force transmissions and knee adduction moment as well as for frontal knee angle. Compliance was good with a main daily use of 2-6 h. CONCLUSION: The orthosis provides significant biomechanical improvements, pain relief and good patient compliance. Patients had a biomechanical benefit for the individualised and reduced orthosis adjustments. Clinical relevance In patients with medial knee osteoarthritis, a lightweight medial unloader orthosis effectively reduced external knee adduction moment and pain sensation during daily activities. Thus, use of lightweight orthoses effectively supports conservative treatment in medial knee osteoarthritis. PMID- 29214919 TI - Effect of total-contact orthosis on medial longitudinal arch and lower extremities in flexible flatfoot subjects during walking. AB - BACKGROUND: Total-contact orthosis (TCO) is one kind of foot orthosis (FO) that is used to adjust biomechanics in flexible flatfoot. OBJECTIVE: To determine the effects of a TCO on the MLA moment, MLA deformation angle and lower limb biomechanics. STUDY DESIGN: Cross-sectional study. METHODS: Seven-flatfoot and thirteen-normal foot subjects were recruited by footprint and radiographs. The biomechanics of subjects with normal foot (NF), flatfoot with shoe only (FWOT) and flatfoot with TCO (FWT) were collected in a 3D motion analysis laboratory and force plates. The MLA and lower limb biomechanics in each condition during specific sub-phases of stance were analyzed. RESULTS: The NF had larger MLA eversion moment after shod walking ( p = 0.001). The FWT condition compared with the FWOT condition had a significantly larger peak MLA upward moment ( p = 0.035) during pre-swing, larger peak knee external rotation angle ( p = 0.040) during mid stance, smaller peak knee extension moment during terminal stance ( p = 0.035) and a larger ground reaction force in the anterior-posterior direction during early stance ( p < 0.05). CONCLUSION: Our study found positive effects from the customized TCOs which included an increased TCO angle that led to a decreased peak MLA moment in the frontal plane in flexible flatfoot subjects during walking. Clinical relevance Lower limb biomechanics is different from normal in subjects with flexible flatfoot. The design of a TCO affects MLA, ankle and knee biomechanics and may be used to clinically correct biomechanical changes in flexible flatfoot. PMID- 29214920 TI - Caffeine effects on VO2max test outcomes investigated by a placebo perceived-as caffeine design. AB - BACKGROUND: Ergogenic effects of caffeine (CAF) ingestion have been observed in different cycling exercise modes, and have been associated with alterations in ratings of perceived exertion (RPE). However, there has been little investigation of maximal oxygen uptake (VO2MAX) test outcomes. AIM: This study aimed to verify whether CAF may reduce RPE, thereby improving maximal incremental test (MIT) outcomes such as VO2MAX, time to exhaustion and peak power output (WPEAK). METHODS: Nine healthy individuals performed three MITs (25 W/min until exhaustion) in a random, counterbalanced fashion after ingestion of CAF, placebo perceived as caffeine (PLA), and no supplementation (baseline control). VO2 was measured throughout the test, while RPE was rated according to overall and leg effort sensations. The power output corresponding to submaximal (RPE = 14 according to the 6-20 Borg scale) and maximal RPE was recorded for both overall (O-RPE14 and O-RPEMAX) and leg RPE (L-RPE14 and L-RPEMAX). RESULTS: VO2MAX did not change significantly between MITs; however, CAF and PLA increased time to exhaustion (? ~18.7% and ~17.1%, respectively; p < .05) and WPEAK (? ~13.0% and ~11.8%, respectively; p < .05) when compared with control. When compared with control, CAF ingestion reduced submaximal and maximal overall and leg RPEs, the effect being greater in maximal (likely beneficial in O-RPEMAX and L-RPEMAX) than submaximal RPE (possibly beneficial in O-RPE14 and L-RPE14). Similar results were found when participants ingested PLA. CONCLUSIONS: Compared with control, CAF and PLA improved MIT performance outcomes such as time to exhaustion and WPEAK, without altering VO2MAX values. CAF effects were attributed to placebo. PMID- 29214921 TI - Heteropterys tomentosa A. Juss: Toxicological and adaptogenic effects in experimental models. AB - BACKGROUND: The constant pursuit of improved athletic performance characterizes high-performance sport and the use of medicinal plants as dietary supplements is becoming widespread among athletes to enhance long-term endurance performance. AIM: The present study evaluated the toxicity of Heteropterys tomentosa (HEHt) and its acute adaptogenic effects. METHODS: The in vitro safety profile was evaluated on CHO-k1 cells using the alamar Blue assay, at concentrations ranging from 3.125 to 200 ug/mL. In vivo acute oral toxicity was conducted in male and female mice with oral administration of graded doses of HEHt from 400 to 2000 mg/kg. A subchronic oral toxicity study was completed by oral administration of HEHt (50, 200 or 1000 mg/kg) and vehicle for 30 days in male Wistar rats. Clinical observations and toxicological related parameters were determined. Blood was collected for biochemical and hematological analyses, while histological examinations were performed on selected organs. Thereafter, an adaptogenic test consisting of progressive loads until exhaustion was conducted in rats ( n = 5/group) orally pre-treated with the vehicle and HEHt (25, 100 or 400 mg/kg). RESULTS: HEHt exhibited no cytotoxic effects on the CHO-k1 cells and, apparently, no acute toxicity in mice and no subchronic toxicity in rats. An ergogenic effect was observed only at the dose of 25 mg/kg compared with the vehicle in relation to time to exhaustion and exercise load ( p = .011 and .019, respectively). HEHt is safe at up to 400 mg/kg, contains astilbin and taxifolin as the major phytochemical compounds, and exhibited a potential adaptogenic effect. CONCLUSIONS: These results justify its anecdotal usage as a tonic, show that the hydroethanolic maceration of the root does not cause toxicity, and provide scientific evidence of its potential as a source of new adaptogenic substance(s). PMID- 29214922 TI - The design and rationale of an interdisciplinary, non-prescriptive, and Health at Every Size(r)-based clinical trial: The "Health and Wellness in Obesity" study. AB - BACKGROUND: This manuscript describes the design and rationale of a clinical trial that aims to investigate the multiple physiological, attitudinal, nutritional, and behavioral effects of a new interdisciplinary intervention based on the Health at Every Size(r) (HAES(r)) approach in obese women. METHODS: This will be a prospective, 7-month, randomized (2:1), mixed-method clinical trial. Obese women will be recruited and randomly allocated into two groups. The intervention group (I-HAES(r); proposed n = 40) will undertake a novel HAES(r) based intervention. Participants will take part in an exercise program, nutrition counseling sessions, and philosophical workshops, all aligned with the principles of the HAES(r) approach. The control group (CTRL; proposed n = 20) will participate in a program using a traditional HAES(r)-based group format, characterized by bimonthly lectures about the same topics offered to the experimental group, encouraging the adoption of a healthy lifestyle. The following multiple quantitative outcomes will be assessed pre and post intervention: health-related quality of life, cardiovascular risk factors, anthropometric assessments, physical activity level, physical capacity and function, and psychological and behavioral assessments. Qualitative analysis will be used to evaluate the experiences of the participants throughout the intervention, as assessed by focus groups and semi-structured interviews. CONCLUSIONS: The interdisciplinary research team leading this study has varied and complementary expertise. The knowledge arising from this study will help to guide new interdisciplinary interventions with the potential to holistically improve the health of obese individuals. This trial is registered at Clinicaltrials.gov (NCT02102061). PMID- 29214923 TI - Creatine supplementation elicits greater muscle hypertrophy in upper than lower limbs and trunk in resistance-trained men. AB - BACKGROUND: Creatine (Cr) supplementation associated with resistance training produces greater muscular strength improvements in the upper compared with the lower body; however, no study has investigated if such region-specific results are seen with gains in muscle mass. AIM: We aimed to evaluate the effect of Cr supplementation in combination with resistance training on lean soft tissue changes in the upper and lower limbs and trunk in resistance-trained young adult men. METHODS: In a randomized, double-blind and placebo-controlled design, 43 resistance-trained men (22.7 +/- 3.0 years, 72.9 +/- 8.7 kg, 177.9 +/- 5.7 cm, 23.0 +/- 2.5 kg/m2) received either creatine (Cr, n = 22) or placebo (PLA, n = 21) over an 8-week study period. The supplementation protocol included a loading phase (7 days, four doses of 0.3 g/kg per day) and a maintenance phase (7 weeks, single dose of 0.03 g/kg per day). During the same period, subjects performed resistance training four times per week using the following two-way split routine: Monday and Thursday = pectoral, shoulders, triceps, and abdomen, Tuesday and Friday = back, biceps, thighs, and calves. Lean soft tissue of the upper limbs (ULLST), lower limbs (LLLST), and trunk (TLST) was assessed by dual-energy X-ray absorptiometry before and after the intervention. RESULTS: Both groups showed significant ( p < 0.001) improvements in ULLST, LLLST, TLST, and the Cr group achieved greater ( p < 0.001) increases in these outcomes compared with PLA. For the Cr group, improvements in ULLST (7.1 +/- 2.9%) were higher than those observed in LLLST (3.2 +/- 2.1%) and TLST (2.1 +/- 2.2%). Otherwise, for PLA group there was no significant difference in the magnitude of segmental muscle hypertrophy (ULLST = 1.6 +/- 3.0%; LLLST = 0.7 +/- 2.8%; TLST = 0.7 +/- 2.8%). CONCLUSION: Our results suggest that Cr supplementation can positively augment muscle hypertrophy in resistance-trained young adult men, particularly in the upper limbs. PMID- 29214924 TI - Different protein and derivatives supplementation strategies combined with resistance training in pre-frail and frail elderly: Rationale and protocol for the "Pro-Elderly" Study. AB - BACKGROUND: Frailty is a multifactorial geriatric syndrome characterized by progressive decline in health and associated with decreased muscle mass, strength, and functional capacity. Resistance training (RT) combined with protein or amino acids supplementation has been shown to be promising for mitigating age related impairments. AIM: To investigate the chronic effects of different strategies of protein and derivatives supplementation in association with RT on selected health-related parameters in pre-frail and frail elderly. METHODS: This is a series of double-blind, randomized, placebo-controlled, parallel-group clinical trials. Volunteers will be divided into nine groups, comprising four different sub-studies evaluating the effects of: isolated leucine supplementation (study 1); protein source (whey vs. soy - study 2); combination of whey protein and creatine (study 3); and sexual dimorphism on the response to protein intake and RT (males vs. females - study 4). Muscle cross-sectional area, fiber cross sectional area, body composition, lower-limb maximal dynamic and isometric strength, functionality, lipid profile, biochemical parameters, renal function, quality of life, and nutritional status will be assessed before and after a 16 week intervention period. Data will be tested for normality and a mixed-model for repeated measures will be conducted to assess within- and between-group effects of the intervention on the dependent variables. Confidence intervals (95%), effect sizes, and relative changes will also be determined, with significance set at p < 0.05. PMID- 29214925 TI - Combined exercise training reduces climacteric symptoms without the additive effects of isoflavone supplementation: A clinical, controlled, randomised, double blind study. AB - BACKGROUND: Exercise and supplementation with isoflavones are therapies used to prevent and treat climacteric symptoms. AIM: To verify the effects of 10 weeks of combined aerobic and resistance training and isoflavone supplementation on climacteric symptoms in postmenopausal women. METHODS: A randomised, double blind, controlled clinical trial was performed. A total of 32 postmenopausal women, aged 54.4 +/- 5.4 years, with a body mass index of 26.6 +/- 3.0 kg/m2 and 5.6 +/- 4.6 years after menopause, were randomly assigned to groups: placebo and exercise (PLA + EXE, n = 15) or 100 mg of isoflavone and exercise (ISO + EXE, n = 17). At the beginning and after 10 weeks of aerobic + resistance (20 min each, moderate intensity) training, climacteric symptoms were evaluated using the Blatt Kupperman Menopausal Index, Cervantes Scale and Menopause Rating Scale. ANCOVA was used for analysis between groups and at different times, with the covariate adjusted by the pre-value. The level of significance considered was p < 0.05. RESULTS: A reduction in climacteric symptoms was observed in both groups, without differences between the interventions. The reductions were 45% and 50% for the Blatt-Kupperman Menopausal Index, 41% and 52% for the MRS and 39% and 39% for the Cervantes Scale in the ISO + EXE and PLA + EXE groups, respectively. In the descriptive analysis of the Blatt-Kupperman Menopausal Index values, there was an increase in the absence of symptoms from 48-77% in the ISO + EXE group and 24-58% in the PLA + EXE group. CONCLUSIONS: A period of 10 weeks of combined training was effective in improving climacteric symptoms in post-menopausal women. However, isoflavone supplementation did not promote additional effects in improving symptoms. PMID- 29214926 TI - Aerobic training performed at ventilatory threshold improves liver enzymes and lipid profile related to non-alcoholic fatty liver disease in adolescents with obesity. AB - BACKGROUND: Despite the positive effects of high-intensity training on weight management and health-related outcomes, it is postulated that high-intensity training may also induce oxidative stress, increasing hepatic damage. AIM: The aim of this study was to compare the effects of low versus high-intensity training on biomarkers related to non-alcoholic fatty liver disease (NAFLD) in adolescents with obesity. METHODS: For this study 107 adolescents (15 +/- 1 years) with obesity (BMI = 34.7 +/- 4.1 kg/m2) were randomized into High Intensity Training (HIT, n = 31), Low-Intensity Training (LIT, n = 31) or Control Group (CG, n = 45). Adolescents from HIT and LIT received nutritional, psychological and clinical counseling. Blood lipids, Castelli risk index, glucose, insulin and hepatic enzymes were measured at baseline and after 12 weeks. RESULTS: Castelli risk index 1 was reduced in all groups ( p < 0.001) with moderate effect size ( d) for HIT ( d = 0.62) and LIT ( d = 0.66). Castelli risk index 2 also decreased ( p < 0.001 for all groups; HIT d = 0.65; LIT d = 0.79). High-density lipoprotein increased in all groups ( d = 0.25 and d = 0.18 in HIT and LIT), while alanine aminotransferase tended to reduce ( p = 0.062) in HIT ( d = 0.34) and LIT ( d = 0.73) and aspartate aminotransferase decreased ( p = 0.024) in both HIT ( d = 0.24) and LIT ( d = 0.45). There were no changes in glucose, insulin and insulin resistance. CONCLUSION: Both high and low-intensity training improved biomarkers related to NAFLD. Thus, high-intensity training can be a safe and effective alternative to prevent and treat NAFLD in adolescents with obesity. PMID- 29214927 TI - Probiotic supplementation in sports and physical exercise: Does it present any ergogenic effect? AB - BACKGROUND: Probiotics are live microorganisms that promote health benefits to the host. Evidence indicates that some probiotic strains play an immunomodulatory role and reduce the incidence of respiratory and gastrointestinal infections in athletes and in physical activity practitioners. For this reason, probiotic supplementation could indirectly improve exercise performance. However, recent studies have observed direct ergogenic effects of probiotics, but the mechanisms of action are poorly elucidated. OBJECTIVE: In this study, we aim to synthesize available knowledge on the effect of probiotics on physical exercise, identify the mechanisms of action by which probiotics could improve performance directly and indirectly, and verify whether probiotics have any ergogenic effect. METHODS: The study was performed in the PubMed database in February 2017, without limitation as to the publication period. The keyword combinations used were: 'Probiotics' and 'Sports' ( n = 17 articles), 'Probiotics' and 'Exercise' ( n = 26 articles) and 'Probiotics' and 'Athletes' ( n = 11 articles). RESULTS: Of the 16 studies evaluated, only six applied performance tests, of which only two demonstrated that probiotic supplementation increases performance, but one of them was performed with mice. CONCLUSIONS: According to the studies evaluated, probiotic supplementation does not present ergogenic effect, however, considering the small number of studies, this subject should be better investigated. PMID- 29214928 TI - Editorial. PMID- 29214930 TI - ? PMID- 29214929 TI - ["For me, Pressure at School is the Most Relevant in my Life" - Empirical Based Implications for Life World Orientation in Health Promotion at School]. AB - "For me, Pressure at School is the Most Relevant in my Life" - Empirical Based Implications for Life World Orientation in Health Promotion at School School is a key system that supports all processes of adolescent development. Next to qualification, as one part of personality development, all developmental tasks of adolescence can take place within the school environment, through close interplay. This interplay both influences, and is influenced by young people's health which is essential to promote adolescent development and foster wellbeing in everyday life for young people. On one hand, risk taking behaviour can impact health and developmental progress. On the other hand, biopsychosocial changes can emerge to challenge young people in terms of coping with life and managing the tasks of normal adolescent development. Experiencing ill health can further limit young people's access to systems and social interaction essential to promote development. In this instance, life world orientation in health promotion becomes one fundamental part of social work, especially school social work (Rademaker, 2017b). In this paper a holistic perspective on health is formulated, as an essential part of young people's daily life. The paper specifically focusses on social work's potential to empower young people to engage with their available resources to promote health related agency. A triangulated study (2013-2015) provides an empirical example. Based on a questionnaire with 500 pupils aged 15 16 years (N = 395), three health types could be identified, a healthy, an unhealthy and one in average, and prototypical cases (N = 12) were interviewed in focus group discussions. The interplay of resources and structural borders in the life world of the participants could be reconstructed to provide understanding of how health related agency emerges in the lives of young people and shape their option to health. PMID- 29214931 TI - [Intervention and Therapy for Perpetrators and Victims of Bullying: A Systematic Review]. AB - Intervention and Therapy for Perpetrators and Victims of Bullying: A Systematic Review Bullying is a form of repeated and aggressive behavior with serious consequences for victims and perpetrators, who often suffer from their experiences long after the bullying episodes have ended. However, the therapeutic treatment of bullying and its consequences represents a neglected topic in bullying research. Objective of the present article is to review publications systematically describing targeted interventions for the treatment of bullying (for victims and perpetrators) and associated disorders. The selection process consisted of a comprehensive systematic search in national and international databases that identified 34 targeted interventions in 31 publications from 14 different countries. The review of ten interventions featuring a controlled design revealed that in particular treatments on both the individual and socio ecological level (particularly parents) are effective. The remaining 24 treatments lack a controlled evaluation. Two thirds of the interventions focus on victims. In contrast to the treatment of perpetrators, the emphasis here lies on group therapy. Although treatments of bullying apply a range of therapeutic approaches and methods, cognitive behavioral therapy is represented most prominently. As a conclusion one can observe an existing lack of research in evidence-based targeted interventions for the treatment of bullying and its consequences for victims and perpetrators. To our knowledge, this is the first systematic review of therapeutic interventions for bullying in children and adolescents. PMID- 29214935 TI - ? PMID- 29214938 TI - [Test Reviews]. PMID- 29214932 TI - [Students Having Parents with Mental Health Issues and Teachers' Mental Health Literacy]. AB - Students Having Parents with Mental Health Issues and Teachers' Mental Health Literacy Mental health issues of parents of school children often negatively affects the children as well, including their school performance and social behavior in the school setting. Teachers are then required to take actions with regards to supporting children in their coping with and mastering of their home situation and their responds to educational demands. As such, schools' and teachers' actions can either support affected children and fulfill a protective function or respond inappropriately, with negative impact on the affected children. Although the societal discussion about and acceptance of mental illnesses have increased in recent years, scientific knowledge on how well teachers are prepared for meeting the needs of affected students remains insufficient. Therefore, this research study examines teachers' attitudes towards, knowledge about, and competencies regarding children affected by a mentally ill parent. 15 in-depth interviews and 3 focus groups (n = 11) with teachers from primary and secondary schools were conducted and systematically analyzed. Although burdens in the family are perceived as major influences on children's school day and performance, teachers report to not feel sufficiently prepared for and uncertain about supporting and coping with the special needs of affected students. Instead they report to "learn from a case to case" basis. Recognizing the family situation of children with mentally ill parents is reported to be especially difficult for teachers. Responding inadequately and insensitive to the needs of affected children was perceived as a serious burden for teachers themselves. While schools can function as entry points to professional social help systems, teachers frequently reported barriers and challenges in accessing, communicating, and collaborating with these systems. The practical implications of these results regarding the "Mental Health Literacy" of teachers are being discussed. PMID- 29214939 TI - ? PMID- 29214941 TI - ? PMID- 29214940 TI - [School Attendance of Children with Mental Health Problems]. AB - School Attendance of Children with Mental Health Problems School can support a child's resilience as well as be a risk to the child's mental health. However school is an indicator of social participation, an aspect that flourished especially in the debate about inclusion. In this paper assistance opportunities are being discussed that are established to support children with a psychological disease in school. Three of the different concepts of funding priorities for special educational needs in the German system will be presented: "Forderschwerpunkt emotionale und soziale Entwicklung" (special needs in emotional and social development), "besonderer Forderbedarf "(special needs) and "Schulbegleitung" (school assistants). Also, the conditions for students of schools in hospitals and clinics will be analyzed and the reintegration process back to home school will be considered. It becomes unequivocal that there is little data about special assistance opportunities and that law structures in the federal states of Germany differ from each other and are partly unclear. The involvement of the three systems school, child and youth welfare service and child and youth psychiatry demands solid structures of communication and cooperation and a common continuous work across systems' borders during the child's school years. PMID- 29214944 TI - [News]. PMID- 29214943 TI - [The authors in this issue]. PMID- 29214945 TI - [Quality of life and mental health of patients with severe heart failure with or without technical support for the left cardiac ventricle - a cross-sectional study]. AB - : Quality of life and mental health of patients with severe heart failure with or without technical support for the left cardiac ventricle - a cross-sectional study Objectives: Chronic heart failure is associated with reduced quality of life (QoL) and poor prognosis. Support via a left ventricular assist device (LVAD) is an alternative to optimised medical management for patients with advanced heart failure. This study evaluated health-related QoL with both therapy options. METHODS: In this consecutive cross-sectional study, patients with LVAD support (n = 50) and patients with optimised medical management (n = 50) were interviewed comprehensively about various domains of QoL, emotional stress, perceived self-efficacy, social support, life satisfaction, and communication. RESULTS: LVAD patients had a better overall QoL (KCCQ, clinical summary: MW: 67.4 vs. 52.9). Patients with medical management reported increased emotional stress stemming from depressed mood (HADS-D, MW: 7.1 vs.MW: 6.0). Depressed mood proved to be the most significant negative predictor for health-related QoL as well as for emotional well-being. CONCLUSIONS: Although they had a worse clinical situation preoperatively, LVAD patients had a significantly better QoL in both physical dimensions and functional competencies as well as significantly less psychological stress through depressed mood and anxiety. PMID- 29214947 TI - [Reviewers 2016/2017]. PMID- 29214946 TI - Psychosomatic and Psychosocial Questions Regarding Bariatric Surgery: What Do We Know, or What Do We Think We Know? AB - SUBJECT: In view of the epidemic increase in severe obesity and the ineffectiveness of conservative weight-loss interventions, bariatric surgery delivers compelling results for patients with class II (BMI >= 35 kg/m2) and class III obesity (BMI >= 40 kg/m2), not only in reducing weight over the long term, but also in reducing obesity-related somatic comorbidity and improving psychosocial functioning and quality of life. Investigations into the psychosocial aspects of obesity surgery have proliferated over the last 15 years, providing a huge amount of essential research data. Yet the results are partly contradictory and highly dependent on the duration of follow-up. METHODS: Based of a narrative review, this article provides an overview of the current status and recent developments of the reciprocal effects between bariatric surgery and psychosocial functioning. The review focused on eight domains representing important psychosomatic and psychosocial aspects of bariatric surgery. RESULTS: Especially in cases of class II and III obesity, bariatric surgery is the only means to reduce bodyweight significantly and permanently, though they carry with them the associated risk factors of metabolic, cardiovascular, and oncological diseases.With regard to psychosocial and psychosomatic aspects, studies with a short-term catamnesis (approx. 3 years) speak in favor of an improvement in the quality of life including mental disorders. If we consider studies with longer follow-ups, however, the results are not as uniform. In particular, we observe an increase in harmful alcohol consumption, self-harm behavior, and suicide risk. CONCLUSIONS: In light of mental well-being and thus also quality of life, bariatric surgery would appear to convey an elevated risk for a minority of patients.Yet identifying these patients before surgery has so far been insufficient. PMID- 29214948 TI - Measuring Self-Soothing Ability in Patients with Childhood Trauma - Psychometric Evaluation of the Self-Soothing Scale in a Clinical Sample. AB - OBJECTIVES: The regulation of strong emotions is an essential skill for traumatized patients. The present instrument was developed for the measurement of the self-soothing ability in traumatized patients. METHODS: The psychometric properties of the SBS were investigated in a clinical sample of patients with childhood trauma (N = 143). In addition, the study explored the factorial structure, internal consistency, retest reliability, convergent validity, and responsiveness of the instrument. RESULTS: Results of an exploratory factor analysis indicated a two-factor structure: 'self-soothing' and 'impulse control', explaining 55% of the variance. The total score showed a good internal consistency (alpha = .83) and re-test reliability (rtt = .87) as well as good validity and responsiveness. CONCLUSIONS: The 7-item SBS is a suitable instrument for the measurement of self-soothing ability in traumatized patients. PMID- 29214950 TI - [Congress dates]. PMID- 29214949 TI - [A review on psychosomatic factors affecting the outcome after total knee arthroplasty (TKA)]. AB - : A review on psychosomatic factors affecting the outcome after total knee arthroplasty (TKA) Objectives: In today's ageing Western societies, arthroplasty is a common treatment for endstage osteoarthritis. Despite highly developed implants and surgery, however, this treatment does not always succeed in relieving pain and restoring joint function, i.e., in restoring satisfactory algofunction. Clinicians partly blame psychological factors for this discrepancy, especially in the absence of objective medical complications. METHODS: The present review summarizes previous studies on the role of psychosomatic interactions affecting the course after total knee arthroplasty (TKA). RESULTS: During the perioperative period, patients with TKA suffer from marked psychic distress that is also linked to the postoperative algofunction. CONCLUSIONS: We discuss the theoretical and clinical implications of the findings reviewed. PMID- 29214951 TI - [Looking into international journals]. PMID- 29214952 TI - [Editorial]. PMID- 29214953 TI - [Contents]. PMID- 29214954 TI - ? PMID- 29214955 TI - Compulsory Organ Retrieval: Morally, But Not Socially, Justified. AB - The number of patients with organ failure who could potentially benefit from transplantation continues to exceed the available supply of organs. Despite numerous efforts to increase the number of donors, there remains an enormous mismatch between demand and supply. Large numbers of people still die with potentially transplantable organs remaining in situ, most frequently as a result of family objections. I argue that there are no persuasive moral arguments against mandated organ retrieval from all dead individuals who meet clinical criteria. However, because of continuing endemic prejudice in United States society and its healthcare system and the distrust this engenders, I conclude that proceeding with a policy of compulsory organ retrieval, even if morally unobjectionable, would not be warranted. PMID- 29214956 TI - Wickedness, Moral Responsibility, and Access to Transplantable Livers. AB - Under the current conditions of scarcity of transplantable livers, difficult decisions need to be made about access. There is a growing consensus that it is morally justified to give people with ARESLD lower priority than those whose need is not self-caused. The purpose of this article is to critically examine the conditions under which such prioritization is morally justified, by challenging arguments put forth by Walter Glannon and Daniel Brudney. There are serious theoretical and practical problems with these views, which have to do with the nature and scope of the (putative) moral duty not to contribute to the competition for scarce transplantable livers, and the difficulty in determining whether people are responsible for their weakness or even wickedness of character. These problems need to be resolved if we are to be morally justified in determining access based on causal and moral responsibility for being in need. PMID- 29214958 TI - From the Editors: Mixing It Up. PMID- 29214957 TI - My Path to Bioethics. AB - In this series of essays, The Road Less Traveled, noted bioethicists share their stories and the personal experiences that prompted them to pursue the field. These memoirs are less professional chronologies and more descriptions of the seminal touchstone events and turning points that led-often unexpectedly-to their career path. PMID- 29214959 TI - The Risk in Living Kidney Donation. AB - This article examines two questions. (1) If prospective living kidney donors knew of the lifetime risk of end-stage renal disease (ESRD) in their remaining kidney, then would they be as willing to give it up? and (2) What should transplant organizations and physicians be telling those who express an interest in donating a kidney about risk? Based on the principle that prospective donors must be fully informed of the risk, I raise the issue of a possible obstacle to closing the gap between the availability and need of transplantable kidneys. Some strategies are offered to address this problem. PMID- 29214960 TI - First Come, First Served in the Intensive Care Unit: Always? AB - Because the demand for intensive care unit (ICU) beds exceeds the supply in general, and because of the formidable costs of that level of care, clinicians face ethical issues when rationing this kind of care not only at the point of admission to the ICU, but also after the fact. Under what conditions-if any-may patients be denied admission to the ICU or removed after admission? One professional medical group has defended a rule of "first come, first served" in ICU admissions, and this approach has numerous moral considerations in its favor. We show, however, that admission to the ICU is not in and of itself guaranteed; we also show that as a matter of principle, it can be morally permissible to remove certain patients from the ICU, contrary to the idea that because they were admitted first, they are entitled to stay indefinitely through the point of recovery, death, or voluntary withdrawal. What remains necessary to help guide these kinds of decisions is the articulation of clear standards for discontinuing intensive care, and the articulation of these standards in a way consistent with not only fiduciary and legal duties that attach to clinical care but also with democratic decision making processes. PMID- 29214961 TI - Microlevel Prioritizations and Incommensurability. AB - This article addresses the prioritization questions that arise when people attempt to institutionalize reasonable ethical principles and create guidelines for microlevel decisions. I propose that this instantiates an incommensurability problem, and suggest two different kinds of practical solutions for dealing with this issue. PMID- 29214962 TI - Prisoners as Living Donors: A Vulnerabilities Analysis. AB - Although national guidelines exist for evaluating the eligibility of potential living donors and for procuring their informed consent, no special protections or considerations exist for potential living donors who are incarcerated. Human research subject protections in the United States are codified in the Federal Regulations, 45 CFR 46, and special protections are given to prisoners. Living donor transplantation has parallels with human subject research in that both activities are performed with the primary goal of benefiting third parties. In this article, we describe what special considerations should be provided to prisoners as potential living donors using a vulnerabilities approach adapted from the human research subject protection literature. PMID- 29214963 TI - Ideology and Palliative Care: Moral Hazards at the Bedside. AB - Palliative care has had a long-standing commitment to teaching medical students and other medical professionals about pain management, communication, supporting patients in their decisions, and providing compassionate end-of-life care. Palliative care programs also have a critical role in helping patients understand medical conditions, and in supporting them in dealing with pain, fear of dying, and the experiences of the terminal phase of their lives. We applaud their efforts to provide that critical training and fully support their continued important work in meeting the needs of patients and families. Although we appreciate the contributions of palliative care services, we have noted a problem involving some palliative care professionals' attitudes, methods of decisionmaking, and use of language. In this article we explain these problems by discussing two cases that we encountered. PMID- 29214964 TI - The Ethics of Making Patients Responsible. AB - In their daily clinical work, healthcare professionals generally apply what seems to be a double standard for the responsibility of patients. On the one hand, patients are encouraged to take responsibility for lifestyle changes that can improve their chances of good health. On the other hand, when patients fail to follow such recommendations, they are not held responsible for the failure. This seeming inconsistency is explained in terms of the distinction between task responsibility and blame responsibility. The double standard for responsibility is shown to be epistemologically rational, ethically commendable, and therapeutically advantageous. However, this non-blaming approach to patient responsibility is threatened by proposals to assign lower priority in healthcare to patients who are themselves responsible for their disease. Such responsibility based priority setting requires that physicians assign blame responsibility to their patients, a practice that would run into conflict with the ethical foundations of the patient-physician relationship. Therefore, such proposals should be rejected. PMID- 29214965 TI - Is Paid Surrogacy a Form of Reproductive Prostitution? A Kantian Perspective. AB - This article reexamines the "prostitution objection" to paid surrogacy, and argues that rebuttals to this objection fail to focus on surrogates as embodied persons. This failure is based on the false distinction between "selling one's reproductive services" and "selling one's body." To ground the analysis of humans as embodied persons, this article uses Kant's late ethical theory, which develops the conceptual framework for understanding human beings as embodied selves. Literature on surrogacy commonly emphasizes that all Kantian duties heed to the categorical prohibition to treat persons as mere means. What this literature leaves out is that this imperative commands us more specifically to engage ourselves and others as embodied persons. This article aims to relate this point to a specific issue in assisted reproduction. It argues that a Kantian account of human beings as embodied persons prohibits paid surrogacy on exactly the same grounds as it prohibits prostitution. PMID- 29214966 TI - Communicating Identifiability Risks to Biobank Donors. AB - Recent highly publicized privacy breaches in healthcare and genomics research have led many to question whether current standards of data protection are adequate. Improvements in de-identification techniques, combined with pervasive data sharing, have increased the likelihood that external parties can track individuals across multiple databases. This article focuses on the communication of identifiability risks in the process of obtaining consent for donation and research. Most ethical discussions of identifiability risks have focused on the severity of the risk and how it might be mitigated, and what precisely is at stake in pervasive data sharing. However, there has been little discussion of whether and how to communicate the risk to potential donors. We review the ethical arguments behind favoring different types of risk communication in the consent process, and outline how identifiability concerns can be incorporated into either a detailed or a simplified method of communicating risks during the consent process. PMID- 29214967 TI - Fear of Life, Fear of Death, and Fear of Causing Death: How Legislative Changes on Assisted Dying Are Doomed to Fail. AB - Fear of life, fear of death, and fear of causing death form a combination that prevents reasoned changes in laws concerning end-of-life situations. This is shown systematically in this article using the methods of conceptual analysis. Prevalent fears are explicated and interpreted to see how their meanings differ depending on the chosen normative stance. When the meanings have been clarified, the impact of the fears on the motivations and justifications of potential legislative reforms are assessed. Two main normative stances are evoked. The first makes an appeal to individual self-determination, or autonomy, and the second to the traditional professional ethics of physicians. These views partly share qualifying elements, including incurability and irreversibility of the patient's medical condition, proximity of death, the unbearable nature of suffering, and issues of voluntariness further shade the matter. The conclusion is that although many motives to change end-of-life laws are admirable, they are partly contradictory, as are calls for autonomy and appeals to professional ethics; to a degree that good, principled legislative solutions remain improbable in the foreseeable future. PMID- 29214968 TI - The Therapeutic "Mis"conception: An Examination of its Normative Assumptions and a Call for its Revision. AB - Dissecting Bioethics, edited by Tuija Takala and Matti Hayry, welcomes contributions on the conceptual and theoretical dimensions of bioethics. The department is dedicated to the idea that words defined by bioethicists and others should not be allowed to imprison people's actual concerns, emotions, and thoughts. Papers that expose the many meanings of a concept, describe the different readings of a moral doctrine, or provide an alternative angle to seemingly self-evident issues are particularly appreciated. To submit a paper or to discuss a suitable topic, contact Tuija Takala at tuija.takala@helsinki.fi. PMID- 29214969 TI - Pedaling Toward Revelation: My Summer with Flannery O'Connor. AB - This section features original work on pathographies-i.e., (auto)biographical accounts of disease, illness, and disability-that provide narrative inquiry relating to the personal, existential, psychological, social, cultural, spiritual, political, and moral meanings of individual experience. Editors are: Nathan Carlin and Therese Jones. For submissions, contact Nathan Carlin at: Nathan.Carlin@uth.tmc.edu. PMID- 29214970 TI - Comparative typing analyses of clinical and environmental strains of the Cryptococcus neoformans/Cryptococcus gattii species complex from Ivory Coast. AB - PURPOSE: The aim of this study was to assess the biotope of the Cryptococcus neoformans/Cryptococcus gattii species complex from Ivory Coast, and clarify the possible epidemiological relationship between environmental and clinical strains. METHODOLOGY: Samples from Eucalyptus camaldulensis (n=136), Mangifera indica (n=13) and pigeon droppings (n=518) were collected from different sites close to the living environment of Ivorian HIV patients with cryptococcosis (n=10, 50 clinical strains). Clinical and environmental strains were characterized by molecular serotyping and genotyping [RFLP analysis of the URA5 gene, (GACA)4, (GTG)5 and M13 PCR fingerprinting] and compared.Results/Key findings. Environmental strains were recovered only from the pigeon droppings. In vitro susceptibility profiles showed that all strains were susceptible to fluconazole, flucytosine and amphotericin B. All environmental strains consisted of C. neoformans (A, AFLP1/VNI), whereas clinical strains included C. neoformans (A, AFLP1/VNI), C. neoformans x Cryptococcus deneoformans hybrids (AD, AFLP3/VNIII) and Cryptococcus deuterogattii (B, AFLP6/VGII). Two patients were co-infected with both C. neoformans and C. neoformans x C. deneoformans hybrids. We noticed a low genetic diversity among the environmental samples compared to the high diversity of the clinical samples. Some clinical strains were genetically more similar to environmental strains than to other clinical strains, including those from the same patient. CONCLUSION: These results provide new information on the ecology and epidemiology of the C. neoformans/C. gattii species complex in Ivory Coast. PMID- 29214971 TI - Corrigendum: Evidence for immune activation in patients with residual hepatitis C virus RNA long after successful treatment with IFN and ribavirin. PMID- 29214972 TI - ICTV Virus Taxonomy Profile: Partitiviridae. AB - The Partitiviridae is a family of small, isometric, non-enveloped viruses with bisegmented double-stranded (ds) RNA genomes of 3-4.8 kbp. The two genome segments are individually encapsidated. The family has five genera, with characteristic hosts for members of each genus: either plants or fungi for genera Alphapartitivirus and Betapartitivirus, fungi for genus Gammapartitivirus, plants for genus Deltapartitivirus and protozoa for genus Cryspovirus. Partitiviruses are transmitted intracellularly via seeds (plants), oocysts (protozoa) or hyphal anastomosis, cell division and sporogenesis (fungi); there are no known natural vectors. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the taxonomy of the Partitiviridae, which is available at www.ictv.global/report/partitiviridae. PMID- 29214973 TI - Expression of the small regulatory RNA gene mmgR is regulated negatively by AniA and positively by NtrC in Sinorhizobium meliloti 2011. AB - In the N2-fixing symbiont of alfalfa root nodules, Sinorhizobium meliloti 2011, the mmgR gene encodes a 77 nt small untranslated RNA (sRNA) that negatively regulates the accumulation of polyhydroxybutyrate (PHB) when the bacterium is grown under conditions of surplus carbon (C) in relation to nitrogen (N). We previously showed that the expression of mmgR is primarily controlled at the transcriptional level and that it depends on the cellular N status, although the regulatory mechanism and the factors involved were unknown. In this study, we provide experimental data supporting that: (a) mmgR is induced upon N limitation with the maximum expression found at the highest tested C/N molar ratio in the growth medium; (b) a conserved heptamer TTGTGCA located between the -35 and -10 mmgR promoter elements is necessary and sufficient for induction by N limitation; (c) induction of mmgR requires the N-status regulator NtrC; (d) under C limitation, mmgR transcription is repressed by AniA, a global regulator of C flow; (e) the mmgR promoter contains a conserved dyadic motif (TGC[N3]GCA) partially overlapping the heptamer TTGTGCA, which was also found in the promoters of the PHB-related genes phaP1, phaP2, phaZ and phaR (aniA) of S. meliloti and other alpha-proteobacteria. Taken together, these results suggest that the mmgR promoter would integrate signals from the metabolism of C and N through - at least - the global regulators NtrC and AniA, to provide an optimal level of the MmgR sRNA to fine-tune gene expression post-transcriptionally according to varying C and N availability. PMID- 29214974 TI - Insights into the candidacidal mechanism of Ctn[15-34] - a carboxyl-terminal, crotalicidin-derived peptide related to cathelicidins. AB - PURPOSE: Ctn[15-34], a carboxyl-terminal fragment of crotalicidin (a cathelicidin from the venom gland of a South American rattlesnake), has shown antifungal activity against clinical and standard strains of Candida species. The aim of the present work was to investigate the underlying mechanisms of the candidicidal activity of Ctn[15-34]. METHODOLOGY: The time-kill profile and drug synergism were evaluated by means of a microdilution assay and multi-parametric flow cytometry. The presumptive interaction of Ctn[15-34] with lipid membranes was estimated in vitro with a lipid-mimic compound, the chromogenic substance 4-nitro 3-(octanoyloxy)benzoic acid (4N3OBA).Results/Key findings. The absorbance increment (at 425 nm) indicated a concentration- and time-dependent in-solution association between Ctn[15-34] and 4N3OBA. The interaction of Ctn[15-34] with Candida cells was confirmed by flow cytometric measurements with the 5(6) carboxyfluorescein-labelled peptide (CF-Ctn[15-34]). Analysis of the killing time of Candida exposed to Ctn[15-34] and amphotericin B (AMB) showed that both the peptide and polyene drug reduce the number of c.f.u. but in mechanistically different ways. The Ctn[15-34] peptide alone caused yeast cell membrane disruption, which was confirmed by lactate dehydrogenase leakage and biomarkers of cell death mediated by necrosis. CONCLUSION: Overall, Ctn[15-34] displays a synergistic antifungal activity with AMB, an effect that can be further developed into a multi-target therapeutic option with other antimycotics currently in use. PMID- 29214976 TI - Stray cats are more frequently infected with zoonotic protists than pet cats. AB - Faecal samples were collected from cats kept as pets (n = 120) and stray cats (n = 135) in Central Europe (Czech Republic, Poland and Slovakia) and screened for the presence of Cryptosporidium spp., Giardia intestinalis (Kunstler, 1882), Encephalitozoon spp. and Enterocytozoon bieneusi Desportes, Le Charpentier, Galian, Bernard, Cochand-Priollet, Lavergne, Ravisse et Modigliani, 1985 by PCR analysis of the small-subunit of rRNA (Cryptosporidium spp. and G. intestinalis) and ITS (microsporidia) genes. Sequence analysis of targeted genes revealed the presence of C. felis Iseki, 1979, G. intestinalis assemblage F, E. cuniculi Levaditi, Nicolau et Schoen, 1923 genotype II, and E. bieneusi genotype D. There was no correlation between the occurrence of detected parasites and sex, presence of diarrhoea or drug treatment (drug containing pyrantel and praziquantel). Compared to pet cats (7%), stray cats (30%) were statistically more frequently infected with protist parasites and overall may present a greater risk to human health. PMID- 29214975 TI - Home-based health promotion for older people with mild frailty: the HomeHealth intervention development and feasibility RCT. AB - BACKGROUND: Mild frailty or pre-frailty is common and yet is potentially reversible. Preventing progression to worsening frailty may benefit individuals and lower health/social care costs. However, we know little about effective approaches to preventing frailty progression. OBJECTIVES: (1) To develop an evidence- and theory-based home-based health promotion intervention for older people with mild frailty. (2) To assess feasibility, costs and acceptability of (i) the intervention and (ii) a full-scale clinical effectiveness and cost effectiveness randomised controlled trial (RCT). DESIGN: Evidence reviews, qualitative studies, intervention development and a feasibility RCT with process evaluation. INTERVENTION DEVELOPMENT: Two systematic reviews (including systematic searches of 14 databases and registries, 1990-2016 and 1980-2014), a state-of-the-art review (from inception to 2015) and policy review identified effective components for our intervention. We collected data on health priorities and potential intervention components from semistructured interviews and focus groups with older people (aged 65-94 years) (n = 44), carers (n = 12) and health/social care professionals (n = 27). These data, and our evidence reviews, fed into development of the 'HomeHealth' intervention in collaboration with older people and multidisciplinary stakeholders. 'HomeHealth' comprised 3-6 sessions with a support worker trained in behaviour change techniques, communication skills, exercise, nutrition and mood. Participants addressed self-directed independence and well-being goals, supported through education, skills training, enabling individuals to overcome barriers, providing feedback, maximising motivation and promoting habit formation. FEASIBILITY RCT: Single-blind RCT, individually randomised to 'HomeHealth' or treatment as usual (TAU). SETTING: Community settings in London and Hertfordshire, UK. PARTICIPANTS: A total of 51 community-dwelling adults aged >= 65 years with mild frailty. MAIN OUTCOME MEASURES: Feasibility - recruitment, retention, acceptability and intervention costs. Clinical and health economic outcome data at 6 months included functioning, frailty status, well-being, psychological distress, quality of life, capability and NHS and societal service utilisation/costs. RESULTS: We successfully recruited to target, with good 6-month retention (94%). Trial procedures were acceptable with minimal missing data. Individual randomisation was feasible. The intervention was acceptable, with good fidelity and modest delivery costs (L307 per patient). A total of 96% of participants identified at least one goal, which were mostly exercise related (73%). We found significantly better functioning (Barthel Index +1.68; p = 0.004), better grip strength (+6.48 kg; p = 0.02), reduced psychological distress (12-item General Health Questionnaire -3.92; p = 0.01) and increased capability-adjusted life-years [+0.017; 95% confidence interval (CI) 0.001 to 0.031] at 6 months in the intervention arm than the TAU arm, with no differences in other outcomes. NHS and carer support costs were variable but, overall, were lower in the intervention arm than the TAU arm. The main limitation was difficulty maintaining outcome assessor blinding. CONCLUSIONS: Evidence is lacking to inform frailty prevention service design, with no large-scale trials of multidomain interventions. From stakeholder/public perspectives, new frailty prevention services should be personalised and encompass multiple domains, particularly socialising and mobility, and can be delivered by trained non-specialists. Our multicomponent health promotion intervention was acceptable and delivered at modest cost. Our small study shows promise for improving clinical outcomes, including functioning and independence. A full-scale individually RCT is feasible. FUTURE WORK: A large, definitive RCT of the HomeHealth service is warranted. STUDY REGISTRATION: This study is registered as PROSPERO CRD42014010370 and Current Controlled Trials ISRCTN11986672. FUNDING: This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 21, No. 73. See the NIHR Journals Library website for further project information. PMID- 29214977 TI - Monte Carlo simulation investigation on the minitype reference radiation employed for the calibration of gamma ray dose or dose rate meters. AB - Minitype reference radiation (MRR) based on a cesium-137 (Cs-137) isotope radioactive source is a core component for carrying out field calibration on gamma ray dose or dose rate meters. To explore the source of scattering rays in the MRR, and their influence on dose field distribution, we calculated the radiation field of the MRR with different shielding wall materials, different sizes of shielding boxes, and different detectors. The investigation results provide theoretical and technical support for better understanding the MRR, and for developing field calibration technologies. PMID- 29214978 TI - Characterization of dynamic changes of current source localization based on spatiotemporal fMRI constrained EEG source imaging. AB - OBJECTIVE: Neuroimaging has been employed as a promising approach to advance our understanding of brain networks in both basic and clinical neuroscience. Electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) represent two neuroimaging modalities with complementary features; EEG has high temporal resolution and low spatial resolution while fMRI has high spatial resolution and low temporal resolution. Multimodal EEG inverse methods have attempted to capitalize on these properties but have been subjected to localization error. The dynamic brain transition network (DBTN) approach, a spatiotemporal fMRI constrained EEG source imaging method, has recently been developed to address these issues by solving the EEG inverse problem in a Bayesian framework, utilizing fMRI priors in a spatial and temporal variant manner. This paper presents a computer simulation study to provide a detailed characterization of the spatial and temporal accuracy of the DBTN method. APPROACH: Synthetic EEG data were generated in a series of computer simulations, designed to represent realistic and complex brain activity at superficial and deep sources with highly dynamical activity time-courses. The source reconstruction performance of the DBTN method was tested against the fMRI constrained minimum norm estimates algorithm (fMRIMNE). The performances of the two inverse methods were evaluated both in terms of spatial and temporal accuracy. MAIN RESULTS: In comparison with the commonly used fMRIMNE method, results showed that the DBTN method produces results with increased spatial and temporal accuracy. The DBTN method also demonstrated the capability to reduce crosstalk in the reconstructed cortical time-course(s) induced by neighboring regions, mitigate depth bias and improve overall localization accuracy. SIGNIFICANCE: The improved spatiotemporal accuracy of the reconstruction allows for an improved characterization of complex neural activity. This improvement can be extended to any subsequent brain connectivity analyses used to construct the associated dynamic brain networks. PMID- 29214979 TI - Angular-dependent magnetoresistance study in Ca0.73La0.27FeAs2: a 'parent' compound of 112-type iron pnictide superconductors. AB - We report a study of angular-dependent magnetoresistance (AMR) with the magnetic field rotated in the plane perpendicular to the current on a Ca0.73La0.27FeAs2 single crystal, which is regarded as a 'parent' compound of 112-type iron pnictide superconductors. A pronounced AMR with twofold symmetry is observed, signifying the highly anisotropic Fermi surface. By further analyzing the AMR data, we find that the Fermi surface above the structural/antiferromagnetic (AFM) transition (T s/T N) is quasi-two-dimensional (quasi-2D), as revealed by the 2D scaling behavior of the AMR, Deltarho/rho(0) (H, theta) = Deltarho/rho(0) (u 0 Hcostheta), theta being the magnetic field angle with respect to the c axis. While such 2D scaling becomes invalid at temperatures below T s/T N, the three dimensional (3D) scaling approach by inclusion of the anisotropy of the Fermi surface is efficient, indicating that the appearance of the 3D Fermi surface contributes to anisotropic electronic transport. Compared with other experimental observations, we suspect that the additional 3D hole pocket (generated by the Ca d orbital and As1 p z orbital) around the Gamma point in CaFeAs2 will disappear in the heavily electron doped regime, and moreover, the Fermi surface should be reconstructed across the structural/AFM transition. Besides, a quasi-linear in plane magnetoresistance with H//ab is observed at low temperatures and its possible origins are also discussed. Our results provide more information to further understand the electronic structure of 112-type IBSs. PMID- 29214980 TI - Ion chambers compliance results of Brazilian radiation therapy facilities. AB - The Brazilian Nuclear Energy Commission (cnen) has been making a constant effort to keep up to date with international standards and national needs to strengthen the status of radiological protection of the country. The guidelines related to radiation therapy facilities have been revised in the last five years in order to take into consideration the most relevant aspects of the growing technology as well as to mitigate the accidents or incidents observed in practice. Hence, clinical dosimeters have gained special importance in this matter. In the present work, we discuss the effectiveness of regulation and inspections to the enforcement of instrument calibration accuracy for the improvement of patient dosimetry and quality control. As a result, we observed that the number of calibrated instruments, mainly well chambers, is increasing each year. The same behavior is observed for instruments employed in technologically advanced radiation treatments such as intensity modulated radiotherapy, volumetric therapy and stereotatic radiosurgery. We ascribe this behavior to the new regulation. PMID- 29214981 TI - A review on photocatalytic CO2 reduction using perovskite oxide nanomaterials. AB - As the search for efficient catalysts for CO2 photoreduction continues, nanostructured perovskite oxides have emerged as a class of high-performance photocatalytic materials. The perovskite oxide candidates for CO2 photoreduction are primarily nanostructured forms of titanates, niobates, tantalates and cobaltates. These materials form the focus of this review article because they are much sought-after due to their nontoxic nature, adequate chemical stability, and tunable crystal structures, bandgaps and surface energies. As compared to conventional semiconductors and nanomaterial catalysts, nanostructured perovskite oxides also exhibit an extended optical-absorption edge, longer charge carrier lifetimes, and favorable band-alignment with respect to reduction potential of activated CO2 and reduction products of the same. While CO2 reduction product yields of several hundred MUmol-1 h-1 are observed with many types of perovskite oxide nanomaterials in stand-alone forms, yield of such quantities are not common with semiconductor nanomaterials of other types. In this review, we present current state-of-the-art synthesis methods to form perovskite oxide nanomaterials, and procedures to engineer their bandgaps. This review also presents a comprehensive summary and discussion on crystal structures, defect distribution, morphologies and electronic properties of the perovskite oxides, and correlation of these properties to CO2 photoreduction performance. This review offers researchers key insights for developing advanced perovskite oxides in order to further improve the yields of CO2 reduction products. PMID- 29214982 TI - Perspectives on theory at the interface of physics and biology. AB - Theoretical physics is the search for simple and universal mathematical descriptions of the natural world. In contrast, much of modern biology is an exploration of the complexity and diversity of life. For many, this contrast is prima facie evidence that theory, in the sense that physicists use the word, is impossible in a biological context. For others, this contrast serves to highlight a grand challenge. I am an optimist, and believe (along with many colleagues) that the time is ripe for the emergence of a more unified theoretical physics of biological systems, building on successes in thinking about particular phenomena. In this essay I try to explain the reasons for my optimism, through a combination of historical and modern examples. PMID- 29214983 TI - Insight on agglomerates of gold nanoparticles in glass based on surface plasmon resonance spectrum: study by multi-spheres T-matrix method. AB - The formation of a localized surface plasmon resonance (SPR) spectrum of randomly distributed gold nanoparticles in the surface layer of silicate float glass, generated and implanted by UV ArF-excimer laser irradiation of a thin gold layer sputter-coated on the glass surface, was studied by the T-matrix method, which enables particle agglomeration to be taken into account. The experimental technique used is promising for the production of submicron patterns of plasmonic nanoparticles (given by laser masks or gratings) without damage to the glass surface. Analysis of the applicability of the multi-spheres T-matrix (MSTM) method to the studied material was performed through calculations of SPR characteristics for differently arranged and structured gold nanoparticles (gold nanoparticles in solution, particles pairs, and core-shell silver-gold nanoparticles) for which either experimental data or results of the modeling by other methods are available. For the studied gold nanoparticles in glass, it was revealed that the theoretical description of their SPR spectrum requires consideration of the plasmon coupling between particles, which can be done effectively by MSTM calculations. The obtained statistical distributions over particle sizes and over interparticle distances demonstrated the saturation behavior with respect to the number of particles under consideration, which enabled us to determine the effective aggregate of particles, sufficient to form the SPR spectrum. The suggested technique for the fitting of an experimental SPR spectrum of gold nanoparticles in glass by varying the geometrical parameters of the particles aggregate in the recurring calculations of spectrum by MSTM method enabled us to determine statistical characteristics of the aggregate: the average distance between particles, average size, and size distribution of the particles. The fitting strategy of the SPR spectrum presented here can be applied to nanoparticles of any nature and in various substances, and, in principle, can be extended for particles with non-spherical shapes, like ellipsoids, rod-like and other T-matrix-solvable shapes. PMID- 29214984 TI - Electron beam collimation with a photon MLC for standard electron treatments. AB - Standard electron treatments are currently still performed using standard or molded patient-specific cut-outs placed in the electron applicator. Replacing cut outs and electron applicators with a photon multileaf collimator (pMLC) for electron beam collimation would make standard electron treatments more efficient and would facilitate advanced treatment techniques like modulated electron radiotherapy (MERT) and mixed beam radiotherapy (MBRT). In this work, a multiple source Monte Carlo beam model for pMLC shaped electron beams commissioned at a source-to-surface distance (SSD) of 70 cm is extended for SSDs of up to 100 cm and validated for several Varian treatment units with field sizes typically used for standard electron treatments. Measurements and dose calculations agree generally within 3% of the maximal dose or 2 mm distance to agreement. To evaluate the dosimetric consequences of using pMLC collimated electron beams for standard electron treatments, pMLC-based and cut-out-based treatment plans are created for a left and a right breast boost, a sternum, a testis and a parotid gland case. The treatment plans consist of a single electron field, either alone (1E) or in combination with two 3D conformal tangential photon fields (1E2X). For each case, a pMLC plan with similar treatment plan quality in terms of dose homogeneity to the target and absolute mean dose values to the organs at risk (OARs) compared to a cut-out plan is found. The absolute mean dose to an OAR is slightly increased for pMLC-based compared to cut-out-based 1E plans if the OAR is located laterally close to the target with respect to beam direction, or if a 6 MeV electron beam is used at an extended SSD. In conclusion, treatment plans using cut-out collimation can be replaced by plans of similar treatment plan quality using pMLC collimation with accurately calculated dose distributions. PMID- 29214985 TI - Non-invasive peripheral nerve stimulation via focused ultrasound in vivo. AB - Focused ultrasound (FUS) has been employed on a wide range of clinical applications to safely and non-invasively achieve desired effects that have previously required invasive and lengthy procedures with conventional methods. Conventional electrical neuromodulation therapies that are applied to the peripheral nervous system (PNS) are invasive and/or non-specific. Recently, focused ultrasound has demonstrated the ability to modulate the central nervous system and ex vivo peripheral neurons. Here, for the first time, noninvasive stimulation of the sciatic nerve eliciting a physiological response in vivo is demonstrated with FUS. FUS was applied on the sciatic nerve in mice with simultaneous electromyography (EMG) on the tibialis anterior muscle. EMG signals were detected during or directly after ultrasound stimulation along with observable muscle contraction of the hind limb. Transecting the sciatic nerve downstream of FUS stimulation eliminated EMG activity during FUS stimulation. Peak-to-peak EMG response amplitudes and latency were found to be comparable to conventional electrical stimulation methods. Histology along with behavioral and thermal testing did not indicate damage to the nerve or surrounding regions. The findings presented herein demonstrate that FUS can serve as a targeted, safe and non-invasive alternative to conventional peripheral nervous system stimulation to treat peripheral neuropathic diseases in the clinic. PMID- 29214986 TI - Antibiotic resistance in Enterobacter cloacae strains with derepressed/partly derepressed/inducible AmpC and extendedspectrum beta-lactamases in Zenica-Doboj Canton, Bosnia and Herzegovina. AB - Aim To investigate the prevalence of derepressed/partly derepressed/inducible and ESBL/AmpC-producing Enterobacter cloacae isolates and treatment options for infections associated with those isolates. Methods Antibiotic susceptibility was determined by disc diffusion and broth microdilution according to CLSI guidelines. Doubledisk synergy test (DDST) was performed in order to screen for ESBLs and combined disk test with phenylboronic acid to detect AmpC beta lactamases. PCR was used to detect blaESBL/blacarb genes. Genetic relatedness of the strains was determined by pulsed-fieldgel-electrophoresis (PFGE). Results Among 14 isolates with the ESBL positive E. cloaceae producing isolates, four (28.6%), nine (64.3%) and one (7.1%) isolates were derepressed/partly derepressed and inducible AmpC producers. Eleven (out of 14) isolates were resistant to cefotaxime, ceftazidime, ceftriaxone, aminoglycosides and fluoroquinolones. All isolates were susceptible to imipenem and meropenem, 79% to cefepime. Five (out of 14; 35.7%) isolates (four derepressed and one inducible AmpC carrying E. cloaceae) were negative in phenotypic test for ESBLs, but positive for broad spectrum TEM-1 beta-lactamase. One (out of four derepressed) also produced CMY-2 beta-lactamase. Four (out of nine) partly derepressed isolates were positive with the DDST, but did not yield PCR products with primers targeting TEM, SHV and CTX M beta-lactamases. Four positive partly derepressed isolates carried a blaCTX-M-1 gene, two blaOXA-1 one blaCTX-M-15, OXA-1 and one blaCTX-M-28, OXA-1 (n=1). Conclusion Microbiology laboratories must be able to detect and recognize AmpC carrying isolates in a timely manner, especially those that are falsely susceptible in vitro to drugs that may be consideredfor therapy of infected patients. PMID- 29214987 TI - Influence of C-reactive protein on the occurrence and assessing of albuminuria severity in diabetics. AB - Aim To asses relation of serum high sensitive C-reactive protein (hsCRP) level with albumin concentration in daily urine in patients with diabetes mellitus type 2 (T2DM). Methods The prospective study included 69 patients with T2DM, both sexes (24 males, 45 females), aged 30-82 years. They were divided into two groups: patients with T2DM and normoalbuminuria(T2DM-NA; n=40) and patients with T2DM and microalbuminuria (T2DM-MA; n=29). Patients were hospitalized at the Department of Internal Medicine, Cantonal Hospital Zenica, in the period January April 2014. Immunonephelometry measurement of hsCRP was performed on the Nephelometer Analyzer BN II (Siemens, Germany). Results Frequency of patients in T2DM-NA and T2DM-MA groups was not significantly different in relation to sex and age. There was significant difference in relation to duration of diabetes ( p=0.001). Average glucose and HbA1c levels were significantly higher in T2DM-NA group comparing to T2DM-MA group (p=0.008 and p=0.047, respectively). Serum creatinine (p=0.011),urea (p=0.009) and hsCRP (p=0.005) were significantly higher in T2DM-MA group compared to T2DM-NA group. Urinary albumin showed significantly positive correlation with the hsCRP (rho=0.286; p=0.017), urea (rho=0.503) and creatinine (rho=0.438) (p < 0.0005). A one unit (mg/L) increase in hsCRP concentration was associated with 11.5% increase of odds of microalbuminuria OR=1.115; 95% CI 1.014-1.225; p=0.025). Conclusion Significantly higher values of serum hsCRP in patients with type 2 diabetes mellitus and microalbuminuria in comparison to those with normoalbuminuria as well as the correlation of values of inflammatory marker with urinary albumin implicate a low grade inflammation in the progression of diabetic nephropathy. PMID- 29214988 TI - Anthropometric characteristics and traffic accident circumstances of patients with isolated whiplash injury in University Clinical Hospital Mostar. AB - Aim To investigate anthropometric characteristics and traffic accident circumstances of subjects with isolated whiplash injury. Methods This cross sectional study involved 75 subjects from traffic accidents with isolated whiplash injury classified by Quebec Task Force (QTF). Anthropometric data were collected as well as claims about circumstances of traffic accidents. Results Distribution of 1st (28; 37.3%), 2nd (25; 33.3%) and 3rd (22; 29.3%) grade of whiplash injury was almost equal. Females had smaller anthropometric measurements than males; neck circumference was the most significant difference between males and females in the context of whiplash injury. The most frequent collision mechanism was impact to front (26; 34.7%) or to rear end (26; 34.7%) of a small passenger's car. Assertions of participants were that their car damage was significant (37; 49.2%) or total (24; 32%). A total of 38 (50.7%) participants claimed that they were not wearing safety belt and 52 (69.3%) did not find themselves responsible for accident. Conclusion Driving habits of our participants facilitate incidence of whiplash injuries, especially in vulnerable groups such as women and elderly. PMID- 29214989 TI - Long non-coding RNA SPRY4-IT1 promotes development of hepatic cellular carcinoma by interacting with ERRalpha and predicts poor prognosis. AB - Hepatocellular carcinoma (HCC) has become one of the most common leading causes of cancer-related deaths worldwide. This study investigates the role of lncRNA, SPRY4-IT1 in the development of HCC. Quantitative real-time PCR (qRT-PCR) was performed and the results showed that SPRY4-IT1 expression was up-regulated in HCC tissues and high expression of SPRY4-IT1 was associated with poor 5-year overall survival in the HCC patient cohort. Clinicopathological analysis showed that the expression of SPRY4-IT1 was significantly correlated with TNM stage in HCC patients. In vitro CCK-8 assay, colony formation assay, cell invasion and migration assays demonstrated that knock-down of SPRY4-IT1 suppressed cell proliferation, colony formation, cell invasion and migration in HCC cells. Flow cytometric analysis showed that knock-down of SPRY4-IT1 induced cell cycle arrest at G0/G1 phase and induced apoptosis. In addition, knock-down of SPRY4-IT1 also suppressed the mRNA and protein expression of estrogen-related receptor alpha (ERRalpha). Similarly, knock-down of ERRalpha inhibited cell proliferation, colony formation, cell invasion and migration in HCC cells. More importantly, ERRalpha overexpression antagonized the effects of SPRY4-IT1 knock-down on cell proliferation, colony formation, cell invasion and migration in HCC cells. Taken together, our data highlights the pivotal role of SPRY4-IT1 in the tumorigenesis of HCC. PMID- 29214990 TI - RNA sequencing reveals a transcriptomic portrait of human mesenchymal stem cells from bone marrow, adipose tissue, and palatine tonsils. AB - Human mesenchymal stem cells (MSCs) are adult multipotent cells that have plasticity and inhabit the stroma of diverse tissues. The potential utility of MSCs has been heavily investigated in the fields of regenerative medicine and cell therapy. However, MSCs represent diverse populations that may depend on the tissue of origin. Thus, the ability to identify specific MSC populations has remained difficult. Using RNA sequencing, we analyzed the whole transcriptomes of bone marrow-derived MSCs (BMs), adipose tissue-derived MSCs (AMs), and tonsil derived MSCs (TMs). We categorized highly regulated genes from these MSC groups according to functional gene ontology (GO) classification. AMs and TMs showed higher expression of genes encoding proteins that function in protein binding, growth factor, or cytokine activity in extracellular compartments than BMs. Interestingly, TM were highly enriched for genes coding extracellular, protein binding proteins compared with AMs. Functional Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis also showed differentially enriched signaling pathways between the three MSC groups. Further, we confirmed surface antigens expressed in common and in a tissue-specific manner on BMs, AMs, and TMs by flow cytometry analysis. This study provides comprehensive characteristics of MSCs derived from different tissues to better understand their cellular and molecular biology. PMID- 29214991 TI - Pseudomonas aeruginosa zinc uptake in chelating environment is primarily mediated by the metallophore pseudopaline. AB - Metal uptake is vital for all living organisms. In metal scarce conditions a common bacterial strategy consists in the biosynthesis of metallophores, their export in the extracellular medium and the recovery of a metal-metallophore complex through dedicated membrane transporters. Staphylopine is a recently described metallophore distantly related to plant nicotianamine that contributes to the broad-spectrum metal uptake capabilities of Staphylococcus aureus. Here we characterize a four-gene operon (PA4837-PA4834) in Pseudomonas aeruginosa involved in the biosynthesis and trafficking of a staphylopine-like metallophore named pseudopaline. Pseudopaline differs from staphylopine with regard to the stereochemistry of its histidine moiety associated with an alpha ketoglutarate moiety instead of pyruvate. In vivo, the pseudopaline operon is regulated by zinc through the Zur repressor. The pseudopaline system is involved in nickel uptake in poor media, and, most importantly, in zinc uptake in metal scarce conditions mimicking a chelating environment, thus reconciling the regulation of the cnt operon by zinc with its function as the main zinc importer under these metal scarce conditions. PMID- 29214992 TI - Charge-Stripe Order and Superconductivity in Ir1-xPtxTe2. AB - A combined resistivity and hard x-ray diffraction study of superconductivity and charge ordering in Ir Ir1-xPtxTe2, as a function of Pt substitution and externally applied hydrostatic pressure, is presented. Experiments are focused on samples near the critical composition x c ~ 0.045 where competition and switching between charge order and superconductivity is established. We show that charge order as a function of pressure in Ir0.95Pt0.05Te2 is preempted - and hence triggered - by a structural transition. Charge ordering appears uniaxially along the short crystallographic (1, 0, 1) domain axis with a (1/5, 0, 1/5) modulation. Based on these results we draw a charge-order phase diagram and discuss the relation between stripe ordering and superconductivity. PMID- 29214993 TI - MicroRNA-like RNAs from the same miRNA precursors play a role in cassava chilling responses. AB - MicroRNAs (miRNAs) are known to play important roles in various cellular processes and stress responses. MiRNAs can be identified by analyzing reads from high-throughput deep sequencing. The reads realigned to miRNA precursors besides canonical miRNAs were initially considered as sequencing noise and ignored from further analysis. Here we reported a small-RNA species of phased and half-phased miRNA-like RNAs different from canonical miRNAs from cassava miRNA precursors detected under four distinct chilling conditions. They can form abundant multiple small RNAs arranged along precursors in a tandem and phased or half-phased fashion. Some of these miRNA-like RNAs were experimentally confirmed by re amplification and re-sequencing, and have a similar qRT-PCR detection ratio as their cognate canonical miRNAs. The target genes of those phased and half-phased miRNA-like RNAs function in process of cell growth metabolism and play roles in protein kinase. Half-phased miR171d.3 was confirmed to have cleavage activities on its target gene P-glycoprotein 11, a broad substrate efflux pump across cellular membranes, which is thought to provide protection for tropical cassava during sharp temperature decease. Our results showed that the RNAs from miRNA precursors are miRNA-like small RNAs that are viable negative gene regulators and may have potential functions in cassava chilling responses. PMID- 29214994 TI - Human liver segments: role of cryptic liver lobes and vascular physiology in the development of liver veins and left-right asymmetry. AB - Couinaud based his well-known subdivision of the liver into (surgical) segments on the branching order of portal veins and the location of hepatic veins. However, both segment boundaries and number remain controversial due to an incomplete understanding of the role of liver lobes and vascular physiology on hepatic venous development. Human embryonic livers (5-10 weeks of development) were visualized with Amira 3D-reconstruction and Cinema 4D-remodeling software. Starting at 5 weeks, the portal and umbilical veins sprouted portal-vein branches that, at 6.5 weeks, had been pruned to 3 main branches in the right hemi-liver, whereas all (>10) persisted in the left hemi-liver. The asymmetric branching pattern of the umbilical vein resembled that of a "distributing" vessel, whereas the more symmetric branching of the portal trunk resembled a "delivering" vessel. At 6 weeks, 3-4 main hepatic-vein outlets drained into the inferior caval vein, of which that draining the caudate lobe formed the intrahepatic portion of the caval vein. More peripherally, 5-6 major tributaries drained both dorsolateral regions and the left and right ventromedial regions, implying a "crypto-lobar" distribution. Lobar boundaries, even in non-lobated human livers, and functional vascular requirements account for the predictable topography and branching pattern of the liver veins, respectively. PMID- 29214995 TI - Normalizing brain activity across individuals using functional reference mapping. AB - Neural activity can be mapped across individuals using brain atlases, but when spatial relationships are not equal, these techniques collapse. We map activity across individuals using functional registration, based on physiological responses to predetermined reference stimuli. Data from several individuals are integrated into a common multidimensional stimulus space, where dimensionality and axes are defined by these reference stimuli. We used this technique to discriminate volatile compounds with a cohort of Drosophila flies, by recording odor responses in receptor neurons on the flies' antennae. We propose this technique for the development of reliable biological sensors when activity raw data cannot be calibrated. In particular, this technique will be useful for evaluating physiological measurements in natural chemosensory systems, and therefore will allow to exploit the sensitivity and selectivity of olfactory receptors present in the animal kingdom for analytical purposes. PMID- 29214996 TI - The role of Cdx2 as a lineage specific transcriptional repressor for pluripotent network during the first developmental cell lineage segregation. AB - The first cellular differentiation event in mouse development leads to the formation of the blastocyst consisting of the inner cell mass (ICM) and trophectoderm (TE). The transcription factor CDX2 is required for proper TE specification, where it promotes expression of TE genes, and represses expression of Pou5f1 (OCT4). However its downstream network in the developing embryo is not fully characterized. Here, we performed high-throughput single embryo qPCR analysis in Cdx2 null embryos to identify CDX2-regulated targets in vivo. To identify genes likely to be regulated by CDX2 directly, we performed CDX2 ChIP Seq on trophoblast stem (TS) cells. In addition, we examined the dynamics of gene expression changes using inducible CDX2 embryonic stem (ES) cells, so that we could predict which CDX2-bound genes are activated or repressed by CDX2 binding. By integrating these data with observations of chromatin modifications, we identify putative novel regulatory elements that repress gene expression in a lineage-specific manner. Interestingly, we found CDX2 binding sites within regulatory elements of key pluripotent genes such as Pou5f1 and Nanog, pointing to the existence of a novel mechanism by which CDX2 maintains repression of OCT4 in trophoblast. Our study proposes a general mechanism in regulating lineage segregation during mammalian development. PMID- 29214997 TI - The influences and neural correlates of past and present during gambling in humans. AB - During financial decision-making tasks, humans often make "rational" decisions, where they maximize expected reward. However, this rationality may compete with a bias that reflects past outcomes. That is, if one just lost money or won money, this may impact future decisions. It is unclear how past outcomes influence future decisions in humans, and how neural circuits encode present and past information. In this study, six human subjects performed a financial decision making task while we recorded local field potentials from multiple brain structures. We constructed a model for each subject characterizing bets on each trial as a function of present and past information. The models suggest that some patients are more influenced by previous trial outcomes (i.e., previous return and risk) than others who stick to more fixed decision strategies. In addition, past return and present risk modulated with the activity in the cuneus; while present return and past risk modulated with the activity in the superior temporal gyrus and the angular gyrus, respectively. Our findings suggest that these structures play a role in decision-making beyond their classical functions by incorporating predictions and risks in humans' decision strategy, and provide new insight into how humans link their internal biases to decisions. PMID- 29214998 TI - Structural insights into the potency of SK channel positive modulators. AB - Small-conductance Ca2+-activated K+ (SK) channels play essential roles in the regulation of cellular excitability and have been implicated in neurological and cardiovascular diseases through both animal model studies and human genetic association studies. Over the past two decades, positive modulators of SK channels such as NS309 and 1-EBIO have been developed. Our previous structural studies have identified the binding pocket of 1-EBIO and NS309 that is located at the interface between the channel and calmodulin. In this study, we took advantage of four compounds with potencies varying over three orders of magnitude, including 1-EBIO, NS309, SKS-11 (6-bromo-5-methyl-1H-indole-2,3-dione 3-oxime) and SKS-14 (7-fluoro-3-(hydroxyimino)indolin-2-one). A combination of x ray crystallographic, computational and electrophysiological approaches was utilized to investigate the interactions between the positive modulators and their binding pocket. A strong trend exists between the interaction energy of the compounds within their binding site calculated from the crystal structures, and the potency of these compounds in potentiating the SK2 channel current determined by electrophysiological recordings. Our results further reveal that the difference in potency of the positive modulators in potentiating SK2 channel activity may be attributed primarily to specific electrostatic interactions between the modulators and their binding pocket. PMID- 29214999 TI - Engineering an aldehyde dehydrogenase toward its substrates, 3-hydroxypropanal and NAD+, for enhancing the production of 3-hydroxypropionic acid. AB - 3-Hydroxypropionic acid (3-HP) can be produced via the biological route involving two enzymatic reactions: dehydration of glycerol to 3-hydroxypropanal (3-HPA) and then oxidation to 3-HP. However, commercial production of 3-HP using recombinant microorganisms has been hampered with several problems, some of which are associated with the toxicity of 3-HPA and the efficiency of NAD+ regeneration. We engineered alpha-ketoglutaric semialdehyde dehydrogenase (KGSADH) from Azospirillum brasilense for the second reaction to address these issues. The residues in the binding sites for the substrates, 3-HPA and NAD+, were randomized, and the resulting libraries were screened for higher activity. Isolated KGSADH variants had significantly lower Km values for both the substrates. The enzymes also showed higher substrate specificities for aldehyde and NAD+, less inhibition by NADH, and greater resistance to inactivation by 3 HPA than the wild-type enzyme. A recombinant Pseudomonas denitrificans strain with one of the engineered KGSADH variants exhibited less accumulation of 3-HPA, decreased levels of inactivation of the enzymes, and higher cell growth than that with the wild-type KGSADH. The flask culture of the P. denitrificans strain with the mutant KGSADH resulted in about 40% increase of 3-HP titer (53 mM) compared with that using the wild-type enzyme (37 mM). PMID- 29215000 TI - The evolution of the macrophage-specific enhancer (Fms intronic regulatory element) within the CSF1R locus of vertebrates. AB - The Csf1r locus encodes the receptor for macrophage colony-stimulating factor, which controls the proliferation, differentiation and survival of macrophages. The 300 bp Fms intronic regulatory element (FIRE), within the second intron of Csf1r, is necessary and sufficient to direct macrophage-specific transcription. We have analysed the conservation and divergence of the FIRE DNA sequence in vertebrates. FIRE is present in the same location in the Csf1r locus in reptile, avian and mammalian genomes. Nearest neighbor analysis based upon this element alone largely recapitulates phylogenies inferred from much larger genomic sequence datasets. One core element, containing binding sites for AP1 family and the macrophage-specific transcription factor, PU.1, is conserved from lizards to humans. Around this element, the FIRE sequence is conserved within clades with the most conserved elements containing motifs for known myeloid-expressed transcription factors. Conversely, there is little alignment between clades outside the AP1/PU.1 element. The analysis favours a hybrid between "enhanceosome" and "smorgasbord" models of enhancer function, in which elements cooperate to bind components of the available transcription factor milieu. PMID- 29215001 TI - Endomucin inhibits VEGF-induced endothelial cell migration, growth, and morphogenesis by modulating VEGFR2 signaling. AB - Angiogenesis is central to both normal and pathologic processes. Endothelial cells (ECs) express O-glycoproteins that are believed to play important roles in vascular development and stability. Endomucin-1 (EMCN) is a type I O glycosylated, sialic-rich glycoprotein, specifically expressed by venous and capillary endothelium. Evidence has pointed to a potential role for EMCN in angiogenesis but it had not been directly investigated. In this study, we examined the role of EMCN in angiogenesis by modulating EMCN levels both in vivo and in vitro. Reduction of EMCN in vivo led to the impairment of angiogenesis during normal retinal development in vivo. To determine the cellular basis of this inhibition, gain- and loss-of-function studies were performed in human retinal EC (HREC) in vitro by EMCN over-expression using adenovirus or EMCN gene knockdown by siRNA. We show that EMCN knockdown reduced migration, inhibited cell growth without compromising cell survival, and suppressed tube morphogenesis of ECs, whereas over-expression of EMCN led to increased migration, proliferation and tube formation. Furthermore, knockdown of EMCN suppressed VEGF-induced signaling as measured by decreased phospho-VEGFR2, phospho-ERK1/2 and phospho-p38 MAPK levels. These results suggest a novel role for EMCN as a potent regulator of angiogenesis and point to its potential as a new therapeutic target for angiogenesis-related diseases. PMID- 29215002 TI - On the impact of capillarity for strength at the nanoscale. AB - The interior of nanoscale crystals experiences stress that compensates for the capillary forces and that can be large, in the order of 1 GPa. Various studies have speculated on whether and how this surface-induced stress affects the stability and plasticity of small crystals. Yet, experiments have so far failed to discriminate between the surface contribution and other, bulk-related size effects. To clarify the issue, here we study the variation of the flow stress of a nanomaterial while distinctly different variations of the two capillary parameters, surface tension, and surface stress, are imposed under control of an applied electric potential. Our theory qualifies the suggested impact of surface stress as not forceful and instead predicts a significant contribution of the surface energy, as measured by the surface tension. The predictions for the combined potential-dependence and size-dependence of the flow stress are quantitatively supported by the experiment. Previous suggestions, favoring the surface stress as the relevant capillary parameter, are not consistent with our experiment. PMID- 29215005 TI - Disentangling eco-evolutionary dynamics of predator-prey coevolution: the case of antiphase cycles. AB - The impact of rapid predator-prey coevolution on predator-prey dynamics remains poorly understood, as previous modelling studies have given rise to contradictory conclusions and predictions. Interpreting and reconciling these contradictions has been challenging due to the inherent complexity of model dynamics, defying mathematical analysis and mechanistic understanding. We develop a new approach here, based on the Geber method for deconstructing eco-evolutionary dynamics, for gaining such understanding. We apply this approach to a co-evolutionary predator prey model to disentangle the processes leading to either antiphase or 1/4-lag cycles. Our analysis reveals how the predator-prey phase relationship is driven by the temporal synchronization between prey biomass and defense dynamics. We further show when and how prey biomass and trait dynamics become synchronized, resulting in antiphase cycles, allowing us to explain and reconcile previous modelling and empirical predictions. The successful application of our proposed approach provides an important step towards a comprehensive theory on eco evolutionary feedbacks in predator-prey systems. PMID- 29215003 TI - Rhythmic potassium transport regulates the circadian clock in human red blood cells. AB - Circadian rhythms organize many aspects of cell biology and physiology to a daily temporal program that depends on clock gene expression cycles in most mammalian cell types. However, circadian rhythms are also observed in isolated mammalian red blood cells (RBCs), which lack nuclei, suggesting the existence of post translational cellular clock mechanisms in these cells. Here we show using electrophysiological and pharmacological approaches that human RBCs display circadian regulation of membrane conductance and cytoplasmic conductivity that depends on the cycling of cytoplasmic K+ levels. Using pharmacological intervention and ion replacement, we show that inhibition of K+ transport abolishes RBC electrophysiological rhythms. Our results suggest that in the absence of conventional transcription cycles, RBCs maintain a circadian rhythm in membrane electrophysiology through dynamic regulation of K+ transport. PMID- 29215004 TI - NLRP11 attenuates Toll-like receptor signalling by targeting TRAF6 for degradation via the ubiquitin ligase RNF19A. AB - The adaptor protein TRAF6 has a central function in Toll-like receptor (TLR) signalling, yet the molecular mechanisms controlling its activity and stability are unclear. Here we show that NLRP11, a primate specific gene, inhibits TLR signalling by targeting TRAF6 for degradation. NLRP11 recruits the ubiquitin ligase RNF19A to catalyze K48-linked ubiquitination of TRAF6 at multiple sites, thereby leading to the degradation of TRAF6. Furthermore, deficiency in either NLRP11 or RNF19A abrogates K48-linked ubiquitination and degradation of TRAF6, which promotes activation of NF-kappaB and MAPK signalling and increases the production of proinflammatory cytokines. Therefore, our findings identify NLRP11 as a conserved negative regulator of TLR signalling in primate cells and reveal a mechanism by which the NLRP11-RNF19A axis targets TRAF6 for degradation. PMID- 29215006 TI - Stateful characterization of resistive switching TiO2 with electron beam induced currents. AB - Metal oxide resistive switches are increasingly important as possible artificial synapses in next-generation neuromorphic networks. Nevertheless, there is still no codified set of tools for studying properties of the devices. To this end, we demonstrate electron beam-induced current measurements as a powerful method to monitor the development of local resistive switching in TiO2-based devices. By comparing beam energy-dependent electron beam-induced currents with Monte Carlo simulations of the energy absorption in different device layers, it is possible to deconstruct the origins of filament image formation and relate this to both morphological changes and the state of the switch. By clarifying the contrast mechanisms in electron beam-induced current microscopy, it is possible to gain new insights into the scaling of the resistive switching phenomenon and observe the formation of a current leakage region around the switching filament. Additionally, analysis of symmetric device structures reveals propagating polarization domains. PMID- 29215007 TI - Multivalent cross-linking of actin filaments and microtubules through the microtubule-associated protein Tau. AB - Microtubule-associated proteins regulate microtubule dynamics, bundle actin filaments, and cross-link actin filaments with microtubules. In addition, aberrant interaction of the microtubule-associated protein Tau with filamentous actin is connected to synaptic impairment in Alzheimer's disease. Here we provide insight into the nature of interaction between Tau and actin filaments. We show that Tau uses several short helical segments to bind in a dynamic, multivalent process to the hydrophobic pocket between subdomains 1 and 3 of actin. Although a single Tau helix is sufficient to bind to filamentous actin, at least two, flexibly linked helices are required for actin bundling. In agreement with a structural model of Tau repeat sequences in complex with actin filaments, phosphorylation at serine 262 attenuates binding of Tau to filamentous actin. Taken together the data demonstrate that bundling of filamentous actin and cross linking of the cellular cytoskeleton depend on the metamorphic and multivalent nature of microtubule-associated proteins. PMID- 29215008 TI - Roles of two types of heparan sulfate clusters in Wnt distribution and signaling in Xenopus. AB - Wnt proteins direct embryonic patterning, but the regulatory basis of their distribution and signal reception remain unclear. Here, we show that endogenous Wnt8 protein is distributed in a graded manner in Xenopus embryo and accumulated on the cell surface in a punctate manner in association with "N-sulfo-rich heparan sulfate (HS)," not with "N-acetyl-rich HS". These two types of HS are differentially clustered by attaching to different glypicans as core proteins. N sulfo-rich HS is frequently internalized and associated with the signaling vesicle, known as the Frizzled/Wnt/LRP6 signalosome, in the presence of Wnt8. Conversely, N-acetyl-rich HS is rarely internalized and accumulates Frzb, a secreted Wnt antagonist. Upon interaction with Frzb, Wnt8 associates with N acetyl-rich HS, suggesting that N-acetyl-rich HS supports Frzb-mediated antagonism by sequestering Wnt8 from N-sulfo-rich HS. Thus, these two types of HS clusters may constitute a cellular platform for the distribution and signaling of Wnt8. PMID- 29215009 TI - The end-joining factor Ku acts in the end-resection of double strand break-free arrested replication forks. AB - Replication requires homologous recombination (HR) to stabilize and restart terminally arrested forks. HR-mediated fork processing requires single stranded DNA (ssDNA) gaps and not necessarily double strand breaks. We used genetic and molecular assays to investigate fork-resection and restart at dysfunctional, unbroken forks in Schizosaccharomyces pombe. Here, we report that fork-resection is a two-step process regulated by the non-homologous end joining factor Ku. An initial resection mediated by MRN-Ctp1 removes Ku from terminally arrested forks, generating ~110 bp sized gaps obligatory for subsequent Exo1-mediated long-range resection and replication restart. The mere lack of Ku impacts the processing of arrested forks, leading to an extensive resection, a reduced recruitment of RPA and Rad51 and a slower fork-restart process. We propose that terminally arrested forks undergo fork reversal, providing a single DNA end for Ku binding. We uncover a role for Ku in regulating end-resection of unbroken forks and in fine tuning HR-mediated replication restart. PMID- 29215010 TI - Characterization of a membrane-bound C-glucosyltransferase responsible for carminic acid biosynthesis in Dactylopius coccus Costa. AB - Carminic acid, a glucosylated anthraquinone found in scale insects like Dactylopius coccus, has since ancient times been used as a red colorant in various applications. Here we show that a membrane-bound C-glucosyltransferase, isolated from D. coccus and designated DcUGT2, catalyzes the glucosylation of flavokermesic acid and kermesic acid into their respective C-glucosides dcII and carminic acid. DcUGT2 is predicted to be a type I integral endoplasmic reticulum (ER) membrane protein, containing a cleavable N-terminal signal peptide and a C terminal transmembrane helix that anchors the protein to the ER, followed by a short cytoplasmic tail. DcUGT2 is found to be heavily glycosylated. Truncated DcUGT2 proteins synthesized in yeast indicate the presence of an internal ER targeting signal. The cleavable N-terminal signal peptide is shown to be essential for the activity of DcUGT2, whereas the transmembrane helix/cytoplasmic domains, although important, are not crucial for its catalytic function. PMID- 29215011 TI - Tailoring crystallization phases in metallic glass nanorods via nucleus starvation. AB - Many physical phenomena deviate from their established frameworks when the system approaches relevant length scales governing the phenomena. In crystallization, the relevant length scales are the nucleation length set by the nucleus size and density, and the growth length set by diffusion fields. Here we observe unexpected crystallization phenomena at the nanoscale, using metallic glass (MG) nanorods and in situ transmission electron microscopy. The asymmetry between critical heating and cooling rates disappears for small MG nanorods. Strikingly, an apparent single crystalline phase with its composition similar to the glass composition is observed for very small rods, in contrast to bulk samples. We attribute this to the lack of nuclei in small MG nanorods that approach the nucleation length, thus coined the term, nucleus starvation. By controlling the MG nanorod diameter and crystallization kinetics, we can tune the number of nuclei in a nanorod, thereby tailoring the resulting crystallization phases. PMID- 29215012 TI - REST regulates the cell cycle for cardiac development and regeneration. AB - Despite the importance of cardiomyocyte proliferation in cardiac development and regeneration, the mechanisms that promote cardiomyocyte cell cycle remain incompletely understood. RE1 silencing transcription factor (REST) is a transcriptional repressor of neuronal genes. Here we show that REST also regulates the cardiomyocyte cell cycle. REST binds and represses the cell cycle inhibitor gene p21 and is required for mouse cardiac development and regeneration. Rest deletion de-represses p21 and inhibits the cardiomyocyte cell cycle and proliferation in embryonic or regenerating hearts. By contrast, REST overexpression in cultured cardiomyocytes represses p21 and increases proliferation. We further show that p21 knockout rescues cardiomyocyte cell cycle and proliferation defects resulting from Rest deletion. Our study reveals a REST p21 regulatory axis as a mechanism for cell cycle progression in cardiomyocytes, which might be exploited therapeutically to enhance cardiac regeneration. PMID- 29215013 TI - Allosteric pyruvate kinase-based "logic gate" synergistically senses energy and sugar levels in Mycobacterium tuberculosis. AB - Pyruvate kinase (PYK) is an essential glycolytic enzyme that controls glycolytic flux and is critical for ATP production in all organisms, with tight regulation by multiple metabolites. Yet the allosteric mechanisms governing PYK activity in bacterial pathogens are poorly understood. Here we report biochemical, structural and metabolomic evidence that Mycobacterium tuberculosis (Mtb) PYK uses AMP and glucose-6-phosphate (G6P) as synergistic allosteric activators that function as a molecular "OR logic gate" to tightly regulate energy and glucose metabolism. G6P was found to bind to a previously unknown site adjacent to the canonical site for AMP. Kinetic data and structural network analysis further show that AMP and G6P work synergistically as allosteric activators. Importantly, metabolome profiling in the Mtb surrogate, Mycobacterium bovis BCG, reveals significant changes in AMP and G6P levels during nutrient deprivation, which provides insights into how a PYK OR gate would function during the stress of Mtb infection. PMID- 29215014 TI - Controlled spin switching in a metallocene molecular junction. AB - The active control of a molecular spin represents one of the main challenges in molecular spintronics. Up to now spin manipulation has been achieved through the modification of the molecular structure either by chemical doping or by external stimuli. However, the spin of a molecule adsorbed on a surface depends primarily on the interaction between its localized orbitals and the electronic states of the substrate. Here we change the effective spin of a single molecule by modifying the molecule/metal interface in a controlled way using a low temperature scanning tunneling microscope. A nickelocene molecule reversibly switches from a spin 1 to 1/2 when varying the electrode-electrode distance from tunnel to contact regime. This switching is experimentally evidenced by inelastic and elastic spin-flip mechanisms observed in reproducible conductance measurements and understood using first principle calculations. Our work demonstrates the active control over the spin state of single molecule devices through interface manipulation. PMID- 29215015 TI - Malaria parasite DNA-harbouring vesicles activate cytosolic immune sensors. AB - STING is an innate immune cytosolic adaptor for DNA sensors that engage malaria parasite (Plasmodium falciparum) or other pathogen DNA. As P. falciparum infects red blood cells and not leukocytes, how parasite DNA reaches such host cytosolic DNA sensors in immune cells is unclear. Here we show that malaria parasites inside red blood cells can engage host cytosolic innate immune cell receptors from a distance by secreting extracellular vesicles (EV) containing parasitic small RNA and genomic DNA. Upon internalization of DNA-harboring EVs by human monocytes, P. falciparum DNA is released within the host cell cytosol, leading to STING-dependent DNA sensing. STING subsequently activates the kinase TBK1, which phosphorylates the transcription factor IRF3, causing IRF3 to translocate to the nucleus and induce STING-dependent gene expression. This DNA-sensing pathway may be an important decoy mechanism to promote P. falciparum virulence and thereby may affect future strategies to treat malaria. PMID- 29215016 TI - low neurotrophin receptor CD271 regulates phenotype switching in melanoma. AB - Cutaneous melanoma represents the most fatal skin cancer due to its high metastatic capacity. According to the "phenotype switching" model, the aggressive nature of melanoma cells results from their intrinsic potential to dynamically switch from a high-proliferative/low-invasive to a low-proliferative/high invasive state. Here we identify the low affinity neurotrophin receptor CD271 as a key effector of phenotype switching in melanoma. CD271 plays a dual role in this process by decreasing proliferation, while simultaneously promoting invasiveness. Dynamic modification of CD271 expression allows tumor cells to grow at low levels of CD271, to reduce growth and invade when CD271 expression is high, and to re-expand at a distant site upon decrease of CD271 expression. Mechanistically, the cleaved intracellular domain of CD271 controls proliferation, while the interaction of CD271 with the neurotrophin receptor Trk A modulates cell adhesiveness through dynamic regulation of a set of cholesterol synthesis genes relevant for patient survival. PMID- 29215017 TI - Active-site plasticity revealed in the asymmetric dimer of AnPrx6 the 1-Cys peroxiredoxin and molecular chaperone from Anabaena sp. PCC 7210. AB - Peroxiredoxins (Prxs) are vital regulators of intracellular reactive oxygen species levels in all living organisms. Their activity depends on one or two catalytically active cysteine residues, the peroxidatic Cys (CP) and, if present, the resolving Cys (CR). A detailed catalytic cycle has been derived for typical 2 Cys Prxs, however, little is known about the catalytic cycle of 1-Cys Prxs. We have characterized Prx6 from the cyanobacterium Anabaena sp. strain PCC7120 (AnPrx6) and found that in addition to the expected peroxidase activity, AnPrx6 can act as a molecular chaperone in its dimeric state, contrary to other Prxs. The AnPrx6 crystal structure at 2.3 A resolution reveals different active site conformations in each monomer of the asymmetric obligate homo-dimer. Molecular dynamic simulations support the observed structural plasticity. A FSH motif, conserved in 1-Cys Prxs, precedes the active site PxxxTxxCp signature and might contribute to the 1-Cys Prx reaction cycle. PMID- 29215018 TI - Evidence for a topological excitonic insulator in InAs/GaSb bilayers. AB - Electron-hole pairing can occur in a dilute semimetal, transforming the system into an excitonic insulator state in which a gap spontaneously appears at the Fermi surface, analogous to a Bardeen-Cooper-Schrieffer (BCS) superconductor. Here, we report optical spectroscopic and electronic transport evidence for the formation of an excitonic insulator gap in an inverted InAs/GaSb quantum-well system at low temperatures and low electron-hole densities. Terahertz transmission spectra exhibit two absorption lines that are quantitatively consistent with predictions from the pair-breaking excitation dispersion calculated based on the BCS gap equation. Low-temperature electronic transport measurements reveal a gap of ~2 meV (or ~25 K) with a critical temperature of ~10 K in the bulk, together with quantized edge conductance, suggesting the occurrence of a topological excitonic insulator phase. PMID- 29215020 TI - Simultaneously improving the mechanical and electrical properties of poly(vinyl alcohol) composites by high-quality graphitic nanoribbons. AB - Although carbon nanotubes (CNTs) have shown great potential for enhancing the performance of polymer matrices, their reinforcement role still needs to be further improved. Here we implement a structural modification of multi-walled CNTs (MWCNTs) to fully utilize their fascinating mechanical and electrical properties via longitudinal splitting of MWCNTs into graphitic nanoribbons (GNRs). This nanofiller design strategy is advantageous for surface functionalization, strong interface adhesion as well as boosting the interfacial contact area without losing the intrinsic graphitic structure. The obtained GNRs have planar geometry, quasi-1D structure and high-quality crystallinity, which outperforms their tubular counterparts, delivering a superior load-bearing efficiency and conductive network for realizing a synchronous improvement of the mechanical and electrical properties of a PVA-based composite. Compared to PVA/CNTs, the tensile strength, Young's modulus and electrical conductivity of the PVA/GNR composite at a filling concentration of 3.6 vol.% approach 119.1 MPa, 5.3 GPa and 2.4 * 10-4 S m-1, with increases of 17%, 32.5% and 5.9 folds, respectively. The correlated mechanics is further rationalized by finite element analysis, the generalized shear-lag theory and the fracture mechanisms. PMID- 29215019 TI - ciaR impacts biofilm formation by regulating an arginine biosynthesis pathway in Streptococcus sanguinis SK36. AB - Streptococcus sanguinis is an early colonizer of the tooth surface and competes with oral pathogens such as Streptococcus mutans to maintain oral health. However, little is known about its mechanism of biofilm formation. Here, we show that mutation of the ciaR gene, encoding the response regulator of the CiaRH two component system in S. sanguinis SK36, produced a fragile biofilm. Cell aggregation, gtfP gene expression and water-insoluble glucan production were all reduced, which suggested polysaccharide production was decreased in DeltaciaR. RNA sequencing and qRT-PCR revealed that arginine biosynthesis genes (argR, argB, argC, argG, argH and argJ) and two arginine/histidine permease genes (SSA_1568 and SSA_1569) were upregulated in DeltaciaR. In contrast to DeltaciaR, most of strains constructed to contain deletions in each of these genes produced more biofilm and water-insoluble glucan than SK36. A DeltaciaRDeltaargB double mutant was completely restored for the gtfP gene expression, glucan production and biofilm formation ability that was lost in DeltaciaR, indicating that argB was essential for ciaR to regulate biofilm formation. We conclude that by promoting the expression of arginine biosynthetic genes, especially argB gene, the ciaR mutation reduced polysaccharide production, resulting in the formation of a fragile biofilm in Streptococcus sanguinis. PMID- 29215021 TI - An improved ENSO simulation by representing chlorophyll-induced climate feedback in the NCAR Community Earth System Model. AB - The El Nino-Southern oscillation (ENSO) simulated in the Community Earth System Model of the National Center for Atmospheric Research (NCAR CESM) is much stronger than in reality. Here, satellite data are used to derive a statistical relationship between interannual variations in oceanic chlorophyll (CHL) and sea surface temperature (SST), which is then incorporated into the CESM to represent oceanic chlorophyll -induced climate feedback in the tropical Pacific. Numerical runs with and without the feedback (referred to as feedback and non-feedback runs) are performed and compared with each other. The ENSO amplitude simulated in the feedback run is more accurate than that in the non-feedback run; quantitatively, the Nino3 SST index is reduced by 35% when the feedback is included. The underlying processes are analyzed and the results show that interannual CHL anomalies exert a systematic modulating effect on the solar radiation penetrating into the subsurface layers, which induces differential heating in the upper ocean that affects vertical mixing and thus SST. The statistical modeling approach proposed in this work offers an effective and economical way for improving climate simulations. PMID- 29215022 TI - Mineral analysis of complete dog and cat foods in the UK and compliance with European guidelines. AB - Mineral content of complete pet food is regulated to ensure health of the companion animal population. Analysis of adherence to these regulatory guidelines has not been conducted. Here, mineral composition of complete wet (n = 97) and dry (n = 80) canine and feline pet food sold in the UK was measured to assess compliance with EU guidelines. A majority of foods complied with >=8 of 11 guidelines (99% and 83% for dry and wet food, respectively), but many failed to provide nutritional minimum (e.g. Cu, 20% of wet food) or exceeded nutritional maximum (e.g. Se, 76% of wet food). Only 6% (6/97) of wet and 38% (30/80) of dry food were fully compliant. Some foods (20-30% of all analysed) had mineral imbalance, such as not having the recommended ratio of Ca:P (between 1:1 to 2:1). Foods with high fish content had high levels of undesirable metal elements such as arsenic. This study highlights broad non-compliance of a range of popular pet foods sold in the UK with EU guidelines (94% and 61% of wet and dry foods, respectively). If fed exclusively and over an extended period, a number of these pet foods could impact the general health of companion animals. PMID- 29215023 TI - A Pilot Characterization of the Human Chronobiome. AB - Physiological function, disease expression and drug effects vary by time-of-day. Clock disruption in mice results in cardio-metabolic, immunological and neurological dysfunction; circadian misalignment using forced desynchrony increases cardiovascular risk factors in humans. Here we integrated data from remote sensors, physiological and multi-omics analyses to assess the feasibility of detecting time dependent signals - the chronobiome - despite the "noise" attributable to the behavioral differences of free-living human volunteers. The majority (62%) of sensor readouts showed time-specific variability including the expected variation in blood pressure, heart rate, and cortisol. While variance in the multi-omics is dominated by inter-individual differences, temporal patterns are evident in the metabolome (5.4% in plasma, 5.6% in saliva) and in several genera of the oral microbiome. This demonstrates, despite a small sample size and limited sampling, the feasibility of characterizing at scale the human chronobiome "in the wild". Such reference data at scale are a prerequisite to detect and mechanistically interpret discordant data derived from patients with temporal patterns of disease expression, to develop time-specific therapeutic strategies and to refine existing treatments. PMID- 29215025 TI - Co-expression of mFat-1 and pig IGF-1 genes by recombinant plasmids in modified chitosan nanoparticles and its synergistic effect on mouse immunity. AB - To develop a cost-effective molecular regulator to improve growth metabolism and immunity of animals, a recombinant plasmid co-expressing fatty acid desaturase (mFat-1) and pig insulin growth like factor 1 (IGF-1) genes was constructed by the 2 A self-cleavage technique. After entrapment within modified chitosan nanoparticles (chitosan modified with polyethyleneglycol-polyethylenimine, CPP), the recombinant plasmid was injected intramuscularly into mice. Compared with controls, co-expression of mFat-1 and IGF-1 significantly raised the level of serum IGF-1, and increased the liver and muscle docosa hexaenoic acid (DHA) content. Th and Tc cell levels were also elevated, as were expression levels of serum IL-4 and IL-6 genes. These results demonstrate that the immunity and metabolism of an animal can be effectively improved by co-expression of mFat-1 and IGF-1 genes in vivo, which may contribute to further development of novel immunomodulators with beneficial effects on growth metabolism and immunity. PMID- 29215024 TI - Identification of sRNA mediated responses to nutrient depletion in Burkholderia pseudomallei. AB - The Burkholderia genus includes many species that are known to survive in diverse environmental conditions including low nutrient environments. One species, Burkholderia pseudomallei is a versatile pathogen that can survive in a wide range of hosts and environmental conditions. In this study, we investigated how a nutrient depleted growth environment evokes sRNA mediated responses by B. pseudomallei. Computationally predicted B. pseudomallei D286 sRNAs were mapped to RNA-sequencing data for cultures grown under two conditions: (1) BHIB as a nutrient rich media reference environment and (2) M9 media as a nutrient depleted stress environment. The sRNAs were further selected to identify potentially cis encoded systems by investigating their possible interactions with their flanking genes. The mappings of predicted sRNA genes and interactions analysis to their flanking genes identified 12 sRNA candidates that may possibly have cis-acting regulatory roles that are associated to a nutrient depleted growth environment. Our approach can be used for identifying novel sRNA genes and their possible role as cis-mediated regulatory systems. PMID- 29215026 TI - Additive manufacture of complex 3D Au-containing nanocomposites by simultaneous two-photon polymerisation and photoreduction. AB - The fabrication of complex three-dimensional gold-containing nanocomposite structures by simultaneous two-photon polymerisation and photoreduction is demonstrated. Increased salt delivers reduced feature sizes down to line widths as small as 78 nm, a level of structural intricacy that represents a significant advance in fabrication complexity. The development of a general methodology to efficiently mix pentaerythritol triacrylate (PETA) with gold chloride hydrate (HAuCl4?3H2O) is reported, where the gold salt concentration is adjustable on demand from zero to 20 wt%. For the first-time 7-Diethylamino-3-thenoylcoumarin (DETC) is used as the photoinitiator. Only 0.5 wt% of DETC was required to promote both polymerisation and photoreduction of up to 20 wt% of gold salt. This efficiency is the highest reported for Au-containing composite fabrication by two photon lithography. Transmission Electron Microscopy (TEM) analysis confirmed the presence of small metallic nanoparticles (5.4 +/- 1.4 nm for long axis / 3.7 +/- 0.9 nm for short axis) embedded within the polymer matrix, whilst X-ray Photoelectron Spectroscopy (XPS) confirmed that they exist in the zero valent oxidation state. UV-vis spectroscopy defined that they exhibit the property of localised surface plasmon resonance (LSPR). The capability demonstrated in this study opens up new avenues for a range of applications, including plasmonics, metamaterials, flexible electronics and biosensors. PMID- 29215027 TI - Altered human voice processing in the frontal cortex and a developmental language delay in 3- to 5-year-old children with autism spectrum disorder. AB - The inferior frontal and superior temporal areas in the left hemisphere are crucial for human language processing. In the present study, we investigated the magnetic mismatch field (MMF) evoked by voice stimuli in 3- to 5-year-old typically developing (TD) children and children with autism spectrum disorder (ASD) using child-customized magnetoencephalography (MEG). The children with ASD exhibited significantly decreased activation in the left superior temporal gyrus compared with the TD children for the MMF amplitude. If we classified the children with ASD according to the presence of a speech onset delay (ASD - SOD and ASD - NoSOD, respectively) and compared them with the TD children, both ASD groups exhibited decreased activation in the left superior temporal gyrus compared with the TD children. In contrast, the ASD - SOD group exhibited increased activity in the left frontal cortex (i.e., pars orbitalis) compared with the other groups. For all children with ASD, there was a significant negative correlation between the MMF amplitude in the left pars orbitalis and language performance. This investigation is the first to show a significant difference in two distinct MMF regions in ASD - SOD children compared with TD children. PMID- 29215028 TI - Effect of canola oil consumption on memory, synapse and neuropathology in the triple transgenic mouse model of Alzheimer's disease. AB - In recent years consumption of canola oil has increased due to lower cost compared with olive oil and the perception that it shares its health benefits. However, no data are available on the effect of canola oil intake on Alzheimer's disease (AD) pathogenesis. Herein, we investigated the effect of chronic daily consumption of canola oil on the phenotype of a mouse model of AD that develops both plaques and tangles (3xTg). To this end mice received either regular chow or a chow diet supplemented with canola oil for 6 months. At this time point we found that chronic exposure to the canola-rich diet resulted in a significant increase in body weight and impairments in their working memory together with decrease levels of post-synaptic density protein-95, a marker of synaptic integrity, and an increase in the ratio of insoluble Abeta 42/40. No significant changes were observed in tau phosphorylation and neuroinflammation. Taken together, our findings do not support a beneficial effect of chronic canola oil consumption on two important aspects of AD pathophysiology which includes memory impairments as well as synaptic integrity. While more studies are needed, our data do not justify the current trend aimed at replacing olive oil with canola oil. PMID- 29215029 TI - mTORC1 Signaling is a Critical Regulator of Postnatal Tendon Development. AB - Tendons transmit contractile forces between musculoskeletal tissues. Whereas the biomechanical properties of tendons have been studied extensively, the molecular mechanisms regulating postnatal tendon development are not well understood. Here we examine the role of mTORC1 signaling in postnatal tendon development using mouse genetic approaches. Loss of mTORC1 signaling by removal of Raptor in tendons caused severe tendon defects postnatally, including decreased tendon thickness, indicating that mTORC1 is necessary for postnatal tendon development. By contrast, activation of mTORC1 signaling in tendons increased tendon cell numbers and proliferation. In addition, Tsc1 conditional knockout mice presented severely disorganized collagen fibers and neovascularization in the tendon midsubstance. Interestingly, collagen fibril diameter was significantly reduced in both Raptor and Tsc1 conditional knockout mice, albeit with variations in severity. We performed RNA-seq analysis using Achilles tendons to investigate the molecular changes underlying these tendon phenotypes. Raptor conditional knockout mice showed decreased extracellular matrix (ECM) structure-related gene expression, whereas Tsc1 conditional knockout mice exhibited changes in genes regulating TGF-beta/BMP/FGF signaling, as well as in genes controlling ECM structure and disassembly. Collectively, our studies suggest that maintaining physiological levels of mTORC1 signaling is essential for postnatal tendon development and maturation. PMID- 29215031 TI - A Mechanistic Model of Human Recall of Social Network Structure and Relationship Affect. AB - The social brain hypothesis argues that the need to deal with social challenges was key to our evolution of high intelligence. Research with non-human primates as well as experimental and fMRI studies in humans produce results consistent with this claim, leading to an estimate that human primary groups should consist of roughly 150 individuals. Gaps between this prediction and empirical observations can be partially accounted for using "compression heuristics", or schemata that simplify the encoding and recall of social information. However, little is known about the specific algorithmic processes used by humans to store and recall social information. We describe a mechanistic model of human network recall and demonstrate its sufficiency for capturing human recall behavior observed in experimental contexts. We find that human recall is predicated on accurate recall of a small number of high degree network nodes and the application of heuristics for both structural and affective information. This provides new insight into human memory, social network evolution, and demonstrates a novel approach to uncovering human cognitive operations. PMID- 29215030 TI - TRAF3 negatively regulates platelet activation and thrombosis. AB - CD40 ligand (CD40L), a member of the tumor necrosis factor (TNF) superfamily, binds to CD40, leading to many effects depending on target cell type. Platelets express CD40L and are a major source of soluble CD40L. CD40L has been shown to potentiate platelet activation and thrombus formation, involving both CD40 dependent and -independent mechanisms. A family of proteins called TNF receptor associated factors (TRAFs) plays key roles in mediating CD40L-CD40 signaling. Platelets express several TRAFs. It has been shown that TRAF2 plays a role in CD40L-mediated platelet activation. Here we show that platelet also express TRAF3, which plays a negative role in regulating platelet activation. Thrombin- or collagen-induced platelet aggregation and secretion are increased in TRAF3 knockout mice. The expression levels of collagen receptor GPVI and integrin alphaIIbbeta3 in platelets were not affected by deletion of TRAF3, suggesting that increased platelet activation in the TRAF3 knockout mice was not due to increased expression platelet receptors. Time to formation of thrombi in a FeCl3 induced thrombosis model was significantly shortened in the TRAF3 knockout mice. However, mouse tail-bleeding times were not affected by deletion of TRAF3. Thus, TRAF3 plays a negative role in platelet activation and in thrombus formation in vivo. PMID- 29215032 TI - Electrically Tunable Fano Resonance from the Coupling between Interband Transition in Monolayer Graphene and Magnetic Dipole in Metamaterials. AB - Fano resonance modulated effectively by external perturbations can find more flexible and important applications in practice. We theoretically study electrically tunable Fano resonance with asymmetric line shape over an extremely narrow frequency range in the reflection spectra of metamaterials. The metamaterials are composed of a metal nanodisk array on graphene, a dielectric spacer, and a metal substrate. The near-field plasmon hybridization between individual metal nanodisks and the metal substrate results into the excitation of a broad magnetic dipole. There exists a narrow interband transition dependent of Fermi energy E f , which manifests itself as a sharp spectral feature in the effective permittivity epsilon g of graphene. The coupling of the narrow interband transition to the broad magnetic dipole leads to the appearance of Fano resonance, which can be electrically tuned by applying a bias voltage to graphene to change E f . The Fano resonance will shift obviously and its asymmetric line shape will become more pronounced, when E f is changed for the narrow interband transition to progressively approach the broad magnetic dipole. PMID- 29215033 TI - Transplantation of a quaternary structure neutralizing antibody epitope from dengue virus serotype 3 into serotype 4. AB - Dengue vaccine trials have revealed deficits in our understanding of the mechanisms of protective immunity, demonstrating a need to measure epitope specific antibody responses against each DENV serotype. HmAb 5J7 binds to a complex, 3-monomer spanning quaternary epitope in the DENV3 envelope (E) protein, but it is unclear whether all interactions are needed for neutralization. Structure guided design and reverse genetics were used to sequentially transplant larger portions of the DENV3-specific 5J7 mAb epitope into dengue virus serotype 4 (DENV4). We observed complete binding and neutralization only when the entire 3 monomer spanning epitope was transplanted into DENV4, providing empirical proof that cooperative monomer-hmAb 5J7 interactions maximize activity. The rDENV4/3 virus containing the most expanded 5J7 epitope was also significantly more sensitive than WT DENV4 to neutralization by DENV3 primary immune sera. We conclude that the hinge-spanning region of the 5J7 quaternary epitope is a target for serotype-specific neutralizing antibodies after DENV3 infection. PMID- 29215034 TI - Local field potentials are induced by visually evoked spiking activity in macaque cortical area MT. AB - Local field potentials (LFP) have been the focus of many recent studies in systems neuroscience. However, the exact neural basis of these signals remains unclear. To address this question, we determined the relationship between LFP signals and another, much better understood, signature of neural activity: action potentials. Specifically, we focused on the relationship between the amplitude of stimulus-induced LFPs and the magnitude of spiking activity in visual cortex of non-human primates. Our trial-by-trial correlation analyses between these two components of extracellular signals in macaque visual cortex show that the spike rate is coupled to the LFP amplitude with a surprisingly long latency, typically 50 ms. Our analysis shows that the neural spike rate is a significant predictor of the LFP amplitude. This limits the functional interpretation of LFP signals beyond that based on spiking activities. PMID- 29215035 TI - Influence of genetic ancestry and socioeconomic status on type 2 diabetes in the diverse Colombian populations of Choco and Antioquia. AB - Differences in genetic ancestry and socioeconomic status (SES) among Latin American populations have been linked to health disparities for a number of complex diseases, such as diabetes. We used a population genomic approach to investigate the role that genetic ancestry and socioeconomic status (SES) play in the epidemiology of type 2 diabetes (T2D) for two Colombian populations: Choco (Afro-Latino) and Antioquia (Mestizo). Choco has significantly higher predicted genetic risk for T2D compared to Antioquia, and the elevated predicted risk for T2D in Choco is correlated with higher African ancestry. Despite its elevated predicted genetic risk, the population of Choco has a three-times lower observed T2D prevalence than Antioquia, indicating that environmental factors better explain differences in T2D outcomes for Colombia. Choco has substantially lower SES than Antioquia, suggesting that low SES in Choco serves as a protective factor against T2D. The combination of lower prevalence of T2D and lower SES in Choco may seem surprising given the protective nature of elevated SES in many populations in developed countries. However, low SES has also been documented to be a protective factor in rural populations in less developed countries, and this appears to be the case when comparing Choco to Antioquia. PMID- 29215036 TI - Proteomics and antivenomics of Echis carinatus carinatus venom: Correlation with pharmacological properties and pathophysiology of envenomation. AB - The proteome composition of Echis carinatus carinatus venom (ECV) from India was studied for the first time by tandem mass spectrometry analysis. A total of 90, 47, and 22 distinct enzymatic and non-enzymatic proteins belonging to 15, 10, and 6 snake venom protein families were identified in ECV by searching the ESI-LC MS/MS data against non-redundant protein databases of Viperidae (taxid 8689), Echis (taxid 8699) and Echis carinatus (taxid 40353), respectively. However, analysis of MS/MS data against the Transcriptome Shotgun Assembly sequences (87 entries) of conger E. coloratus identified only 14 proteins in ECV. Snake venom metalloproteases and snaclecs, the most abundant enzymatic and non-enzymatic proteins, respectively in ECV account for defibrinogenation and the strong in vitro pro-coagulant activity. Further, glutaminyl cyclase, aspartic protease, aminopeptidase, phospholipase B, vascular endothelial growth factor, and nerve growth factor were reported for the first time in ECV. The proteome composition of ECV was well correlated with its biochemical and pharmacological properties and clinical manifestations observed in Echis envenomed patients. Neutralization of enzymes and pharmacological properties of ECV, and immuno-cross-reactivity studies unequivocally point to the poor recognition of <20 kDa ECV proteins, such as PLA2, subunits of snaclec, and disintegrin by commercial polyvalent antivenom. PMID- 29215038 TI - Differential Raman backscattering cross sections of black carbon nanoparticles. AB - We report the measurements of the differential Raman backscattering cross sections for several carbonaceous ultrafine particles of environmental relevances. These were obtained by dispersing the target particles in liquid water which was used as the internal standard reference. The optical collection was performed in a configuration to ensure a detection as close as possible to the backward direction. These are the first cross sections on black carbon-type particles although Raman spectroscopy is widely used in Carbon science. The high values of the cross sections, few 10-28 cm2.sr-1.atom-1, reflect resonance effects that take advantages of the disordered polyaromatic structures. Because they were measured in conditions intended to mimic the aerosol phase, these measurements provide a crucial step to move toward quantitative Raman spectroscopy and enable development of dedicated teledetection of black carbon in the atmosphere and in combustion chambers. PMID- 29215037 TI - Pre-treatment inflammatory indexes as predictors of survival and cetuximab efficacy in metastatic colorectal cancer patients with wild-type RAS. AB - This study aims at evaluating the prognostic significance of neutrophil-to lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to monocyte ratio (LMR), and systemic immune-inflammation indexes (SII) in metastatic colorectal cancer (mCRC) patients treated with cetuximab. Ninety-five patients receiving cetuximab for mCRC were categorized into the high or low NLR, PLR, LMR, and SII groups based on their median index values. Univariate and multivariate survival analysis were performed to identify the indexes' correlation with progression-free survival (PFS) and overall survival (OS). In the univariate analysis, ECOG performance status, neutrphil counts, lymphocyte counts, monocyte counts, NLR, PLR, and LDH were associated with survival. Multivariate analysis showed that ECOG performance status of 0 (hazard ratio [HR] 3.608, p < 0.001; HR 5.030, p < 0.001, respectively), high absolute neutrophil counts (HR 2.837, p < 0.001; HR 1.922, p = 0.026, respectively), low lymphocyte counts (HR 0.352, p < 0.001; HR 0.440, p = 0.001, respectively), elevated NLR (HR 3.837, p < 0.001; HR 2.467, p = 0.006) were independent predictors of shorter PFS and OS. In conclusion, pre-treatment inflammatory indexes, especially NLR were potential biomarkers to predict the survival of mCRC patients with cetuximab therapy. PMID- 29215039 TI - Semantic discrimination impacts tDCS modulation of verb processing. AB - Motor cortex activation observed during body-related verb processing hints at simulation accompanying linguistic understanding. By exploiting the up- and down regulation that anodal and cathodal transcranial direct current stimulation (tDCS) exert on motor cortical excitability, we aimed at further characterizing the functional contribution of the motor system to linguistic processing. In a double-blind sham-controlled within-subjects design, online stimulation was applied to the left hemispheric hand-related motor cortex of 20 healthy subjects. A dual, double-dissociation task required participants to semantically discriminate concrete (hand/foot) from abstract verb primes as well as to respond with the hand or with the foot to verb-unrelated geometric targets. Analyses were conducted with linear mixed models. Semantic priming was confirmed by faster and more accurate reactions when the response effector was congruent with the verb's body part. Cathodal stimulation induced faster responses for hand verb primes thus indicating a somatotopical distribution of cortical activation as induced by body-related verbs. Importantly, this effect depended on performance in semantic discrimination. The current results point to verb processing being selectively modifiable by neuromodulation and at the same time to a dependence of tDCS effects on enhanced simulation. We discuss putative mechanisms operating in this reciprocal dependence of neuromodulation and motor resonance. PMID- 29215040 TI - Sex-related pharmacokinetic differences and mechanisms of metapristone (RU486 metabolite). AB - Metapristone is the primary metabolite of the abortifacient mifepristone (RU486), and is being developed as a safe and effective cancer metastatic chemopreventive agent for both sexes. Here, we systematically investigated the sex-related pharmacokinetics of metapristone in both rats and dogs, and explored the related mechanisms of actions. Administration of metapristone to rats and dogs showed that plasma concentrations of metapristone (AUC, C max ) were significantly higher in female dogs and rats than in males. The sex-related differences in pharmacokinetics become more significant after ten consecutive days of oral administration. Female liver microsomes metabolized metapristone significantly slower than the male ones. The results from P450 reaction phenotyping using recombinant cDNA-expressed human CYPs in conjunction with specific CYP inhibitors suggested that CYP1A2 and CYP3A4 are the predominant CYPs involved in the metapristone metabolism, which were further confirmed by the enhanced protein levels of CYP1A2 and CYP3A4 induced by 1-week oral administration of metapristone to rats. The highest tissue concentration of metapristone was found in the liver. The study demonstrates, for the first time, the sex-related pharmacokinetics of metapristone, and reveals that activities of liver microsomal CYP1A2 and CYP3A4 as well as the renal clearance are primarily responsible for the sex-related pharmacokinetics. PMID- 29215041 TI - CRISPR/Cas9 delivery with one single adenoviral vector devoid of all viral genes. AB - The Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 system revolutionized the field of gene editing but viral delivery of the CRISPR/Cas9 system has not been fully explored. Here we adapted clinically relevant high-capacity adenoviral vectors (HCAdV) devoid of all viral genes for the delivery of the CRISPR/Cas9 machinery using a single viral vector. We present a platform enabling fast transfer of the Cas9 gene and gRNA expression units into the HCAdV genome including the option to choose between constitutive or inducible Cas9 expression and gRNA multiplexing. Efficacy and versatility of this pipeline was exemplified by producing different CRISPR/Cas9-HCAdV targeting the human papillomavirus (HPV) 18 oncogene E6, the dystrophin gene causing Duchenne muscular dystrophy (DMD) and the HIV co-receptor C-C chemokine receptor type 5 (CCR5). All CRISPR/Cas9-HCAdV proved to be efficient to deliver the respective CRISPR/Cas9 expression units and to introduce the desired DNA double strand breaks at their intended target sites in immortalized and primary cells. PMID- 29215043 TI - beta-Sheet Structure within the Extracellular Domain of C99 Regulates Amyloidogenic Processing. AB - Familial mutations in C99 can increase the total level of the soluble Abeta peptides produced by proteolysis, as well as the Abeta42/Abeta40 ratio, both of which are linked to the progression of Alzheimer's disease. We show that the extracellular sequence of C99 forms beta-sheet structure upon interaction with membrane bilayers. Mutations that disrupt this structure result in a significant increase in Abeta production and, in specific cases, result in an increase in the amount of Abeta42 relative to Abeta40. Fourier transform infrared and solid-state NMR spectroscopic studies reveal a central beta-hairpin within the extracellular sequence comprising Y10-E11-V12 and L17-V18-F19 connected by a loop involving H13 H14-Q15. These results suggest how familial mutations in the extracellular sequence influence C99 processing and provide a structural basis for the development of small molecule modulators that would reduce Abeta production. PMID- 29215044 TI - Photonic time crystals. AB - When space (time) translation symmetry is spontaneously broken, the space crystal (time crystal) forms; when permittivity and permeability periodically vary with space (time), the photonic crystal (photonic time crystal) forms. We proposed the concept of photonic time crystal and rewritten the Maxwell's equations. Utilizing Finite Difference Time Domain (FDTD) method, we simulated electromagnetic wave propagation in photonic time crystal and photonic space-time crystal, the simulation results show that more intensive scatter fields can obtained in photonic time crystal and photonic space-time crystal. PMID- 29215042 TI - A PLAG1 mutation contributed to stature recovery in modern cattle. AB - The recent evolution of cattle is marked by fluctuations in body size. Height in the Bos taurus lineage was reduced by a factor of ~1.5 from the Neolithic to the Middle Ages, and increased again only during the Early Modern Ages. Using haplotype analysis, we found evidence that the bovine PLAG1 mutation (Q) with major effects on body size, weight and reproduction is a >1,000 years old derived allele that increased rapidly in frequency in Northwestern European B. taurus between the 16th and 18th centuries. Towards the 19th and 20th centuries, Q was introgressed into non-European B. taurus and Bos indicus breeds. These data implicate a major role of Q in recent changes in body size in modern cattle, and represent one of the first examples of a genomic sweep in livestock that was driven by selection on a complex trait. PMID- 29215045 TI - Auditory closed-loop stimulation of EEG slow oscillations strengthens sleep and signs of its immune-supportive function. AB - Sleep is essential for health. Slow wave sleep (SWS), the deepest sleep stage hallmarked by electroencephalographic slow oscillations (SOs), appears of particular relevance here. SWS is associated with a unique endocrine milieu comprising minimum cortisol and high aldosterone, growth hormone (GH), and prolactin levels, thereby presumably fostering efficient adaptive immune responses. Yet, whether SWS causes these changes is unclear. Here we enhance SOs in men by auditory closed-loop stimulation, i.e., by delivering tones in synchrony with endogenous SOs. Stimulation intensifies the hormonal milieu characterizing SWS (mainly by further reducing cortisol and increasing aldosterone levels) and reduces T and B cell counts, likely reflecting a redistribution of these cells to lymphoid tissues. GH remains unchanged. In conclusion, closed-loop stimulation of SOs is an easy-to-use tool for probing SWS functions, and might also bear the potential to ameliorate conditions like depression and aging, where disturbed sleep coalesces with specific hormonal and immunological dysregulations. PMID- 29215046 TI - Rapid and effective enrichment of mononuclear cells from blood using acoustophoresis. AB - Effective separation methods for fractionating blood components are needed for numerous diagnostic and research applications. This paper presents the use of acoustophoresis, an ultrasound based microfluidic separation technology, for label-free, gentle and continuous separation of mononuclear cells (MNCs) from diluted whole blood. Red blood cells (RBCs) and MNCs behave similar in an acoustic standing wave field, compromising acoustic separation of MNC from RBC in standard buffer systems. However, by optimizing the buffer conditions and thereby changing the acoustophoretic mobility of the cells, we were able to enrich MNCs relative to RBCs by a factor of 2,800 with MNC recoveries up to 88%. The acoustophoretic microchip can perform cell separation at a processing rate of more than 1 * 105 cells/s, corresponding to 5 ul/min undiluted whole blood equivalent. Thus, acoustophoresis can be easily integrated with further down stream applications such as flow cytometry, making it a superior alternative to existing MNC isolation techniques. PMID- 29215047 TI - Harvesting energy from low-frequency excitations through alternate contacts between water and two dielectric materials. AB - Recent studies have demonstrated the benefits of water-dielectric interfaces in electrostatic energy harvesting. Most efforts have been focused on extracting the kinetic energy from the motions of water drops on hydrophobic surfaces, and thus, the resulting schemes inherently prefer cases where the water drops move at a high speed, or vibrate at a high frequency. Here we report a method for directly harvesting ambient mechanical energy as electric potential energy through water droplets by making alternate contacts with CYTOP and PTFE thin films. Because CYTOP and PTFE acquire significantly different surface charge densities during contact with water, such a difference can be utilized to effectively generate electricity. We demonstrate this concept using prototype devices fabricated on silicon substrates with a simple procedure. In the experiments conducted, a water drop of 400 MUL alone could generate a peak open-circuit voltage of 42 V under a 0.25 Hz vibration. Under a 2.5 Hz vibration, the peak open-circuit voltage reached 115 V under an external bias of 8 V. The demonstrated efficiency is orders of magnitude higher than those of existing devices of similar dimensions. PMID- 29215049 TI - STR profiling and Copy Number Variation analysis on single, preserved cells using current Whole Genome Amplification methods. AB - The growing interest in liquid biopsies for cancer research and cell-based non invasive prenatal testing (NIPT) invigorates the need for improved single cell analysis. In these applications, target cells are extremely rare and fragile in peripheral circulation, which makes the genetic analysis very challenging. To overcome these challenges, cell stabilization and unbiased whole genome amplification are required. This study investigates the performance of four WGA methods on single or a limited number of cells after 24 hour of Streck Cell-Free DNA BCT preservation. The suitability of the DNA, amplified with Ampli1, DOPlify, PicoPLEX and REPLI-g, was assessed for both short tandem repeat (STR) profiling and copy number variant (CNV) analysis after shallow whole genome massively parallel sequencing (MPS). Results demonstrate that Ampli1, DOPlify and PicoPLEX perform well for both applications, with some differences between the methods. Samples amplified with REPLI-g did not result in suitable STR or CNV profiles, indicating that this WGA method is not able to generate high quality DNA after Streck Cell-Free DNA BCT stabilization of the cells. PMID- 29215048 TI - High Dose Parenteral Ascorbate Inhibited Pancreatic Cancer Growth and Metastasis: Mechanisms and a Phase I/IIa study. AB - Pancreatic cancer is among the most lethal cancers with poorly tolerated treatments. There is increasing interest in using high-dose intravenous ascorbate (IVC) in treating this disease partially because of its low toxicity. IVC bypasses bioavailability barriers of oral ingestion, provides pharmacological concentrations in tissues, and exhibits selective cytotoxic effects in cancer cells through peroxide formation. Here, we further revealed its anti-pancreatic cancer mechanisms and conducted a phase I/IIa study to investigate pharmacokinetic interaction between IVC and gemcitabine. Pharmacological ascorbate induced cell death in pancreatic cancer cells with diverse mutational backgrounds. Pharmacological ascorbate depleted cellular NAD+ preferentially in cancer cells versus normal cells, leading to depletion of ATP and robustly increased alpha-tubulin acetylation in cancer cells. While ATP depletion led to cell death, over-acetylated tubulin led to inhibition of motility and mitosis. Collagen was increased, and cancer cell epithelial-mesenchymal transition (EMT) was inhibited, accompanied with inhibition in metastasis. IVC was safe in patients and showed the possibility to prolong patient survival. There was no interference to gemcitabine pharmacokinetics by IVC administration. Taken together, these data revealed a multi-targeting mechanism of pharmacological ascorbate's anti-cancer action, with minimal toxicity, and provided guidance to design larger definitive trials testing efficacy of IVC in treating advanced pancreatic cancer. PMID- 29215050 TI - Tumor necrosis factor-alpha regulates photoreceptor cell autophagy after retinal detachment. AB - Photoreceptor cell death is the ultimate process underlying many retinal diseases, including retinal detachment (RD). Both autophagy and inflammatory factors, such as tumor necrosis factor-alpha (TNF-alpha), participate in photoreceptor cell death after RD. In this study, we examined whether TNF-alpha inhibition would impact the autophagy of photoreceptors and reduce the death of photoreceptors after retinal detachment (RD). RD models were created in C57BL/6J mice by a subretinal injection of 1% hyaluronic acid. The TNF-alpha inhibitor infliximab was administered via intraperitoneal injection two hours before RD. The levels of TNF-alpha and the autophagy-related proteins Atg5 and LC3B were assayed by immunofluorescence at 1 day, 3 days, and 7 days following RD. Apoptosis was examined at 3 days post-detachment via TUNEL assays. Photoreceptor cell counts were assessed at 7 days after RD. After RD, the protein levels of LC3B and Atg5 increased and reached a peak at 3 days, which decreased at 7 days. The expression of LC3B and Atg5 was prolonged and increased at a slower rate with TNF-alpha inhibition. The moderate augmentation and extension of autophagy through TNF-alpha inhibition resulted in the reduction of apoptosis and the enhancement of photoreceptor cell survival. PMID- 29215051 TI - A web-based GPS system for displacement monitoring and failure mechanism analysis of reservoir landslide. AB - It is important to monitor the displacement time series and to explore the failure mechanism of reservoir landslide for early warning. Traditionally, it is a challenge to monitor the landslide displacements real-timely and automatically. Globe Position System (GPS) is considered as the best real-time monitoring technology, however, the accuracies of the landslide displacements monitored by GPS are not assessed effectively. A web-based GPS system is developed to monitor the landslide displacements real-timely and automatically in this study. And the discrete wavelet transform (DWT) is proposed to assess the accuracy of the GPS monitoring displacements. Wangmiao landslide in Three Gorges Reservoir area in China is used as case study. The results show that the web-based GPS system has advantages of high precision, real-time, remote control and automation for landslide monitoring; the Root Mean Square Errors of the monitoring landslide displacements are less than 5 mm. Meanwhile, the results also show that a rapidly falling reservoir water level can trigger the reactivation of Wangmiao landslide. Heavy rainfall is also an important factor, but not a crucial component. PMID- 29215052 TI - Peroxiredoxin activity is a major landmark of male fertility. AB - Peroxiredoxins (PRDXs) are important antioxidant enzymes reported to have a role in sperm function and male fertility. However, how PRDXs affects male fertility remain fundamental unanswered questions. We therefore sought to investigate the role of these enzymes in sperm function and fertilisation. In this in vitro trial, mouse spermatozoa were incubated with different concentrations of conoidin A (1, 10, or 100 uM), a specific inhibitor of PRDXs. Our results demonstrated that inhibition of PRDXs by conoidin A significantly decreased the oxidized form of peroxiredoxins (PRDXs-SO3) in spermatozoa. Decreased PRDX activity was associated with a significant reduction in sperm motility parameters, viability, and intracellular ATP, whereas ROS levels, DNA fragmentation, and loss of mitochondrial membrane potential were increased. Simultaneously capacitation and the acrosome reaction were also significantly inhibited perhaps as a consequence of decreased tyrosine phosphorylation and protein kinase-A activity. In addition, fertilisation and early embryonic development were adversely affected following PRDXs inhibition in spermatozoa. Taken together, our data demonstrate that decreased PRDX activity directly affects male fertility due to negative effects on important functions and biochemical properties of spermatozoa, ultimately leading to poor fertilisation and embryonic development. PMID- 29215053 TI - Selective carbon dioxide sorption and heterogeneous catalysis by a new 3D Zn-MOF with nitrogen-rich 1D channels. AB - We prepared a new C 2h-symmetric bridging ligand, 3,3'-(pyrazine-2,5 diyl)dibenzoic acid (3,3'-PDBA), through a Suzuki coupling reaction. 3,3'-PDBA contains a central pyrazine ring instead of the phenyl ring of 3,3' terphenyldicarboxylic acid (3,3'-TPDC). Despite the geometrical similarity of the two bridging ligands, the reaction between Zn(NO3)2.6H2O and 3,3'-PDBA in the presence of 1,4-diazabicyclo[2.2.2]octane (DABCO) yielded a structurally different Zn-based metal-organic framework (Zn-MOF). The Zn-MOF, [Zn2(3,3' PDBA)2(DABCO)1.5].2DMF.H2O, had two-dimensional (2D) layers, and the interlocked 2D layers formed a porous 3D framework. Interestingly, one of the two available N atoms of DABCO remained intact. The uncoordinated N atoms of the dangling DABCO ligand and the pyrazinyl N atoms of the 3,3'-PDBA bridging ligand were fully exposed toward the 1D channels. Therefore, the 1D channels represented a highly nitrogen-rich environment. Gas sorption analysis indicated that the Zn-MOF was selective for adsorption of CO2 at 196 K over N2 (77 K) and H2 (77 K). The exceptionally high zero surface coverage heat of CO2 adsorption (Q st = 79.5 kJ mol-1) was attributable to the openly accessible multiple Lewis basic sites in the nitrogen-rich 1D channels. Zn-MOF also showed good Lewis base catalytic activities in three model aldol-type reactions with good recyclability due to chemically accessible 3 degrees amine sites. PMID- 29215054 TI - In vivo redox metabolic imaging of mitochondria assesses disease progression in non-alcoholic steatohepatitis. AB - Given the rising incidence of non-alcoholic fatty liver disease (NAFLD) in both adults and children, the development of a non-invasive diagnostic method for assessing disease progression to non-alcoholic steatohepatitis (NASH) has become an important research goal. Currently available non-invasive imaging technologies are only able to assess fat accumulation in the liver. Therefore, these methods are not suitable for a precise diagnosis of NASH. The standard diagnostic technique for NASH, liver biopsy, has several drawbacks, including the higher risk of complications that accompanies invasive procedures. Here, we demonstrated that in vivo mitochondrial redox metabolism was dramatically altered at an early stage, before histopathological changes, and NASH could be accurately diagnosed by in vivo dynamic nuclear polarization-magnetic resonance imaging, with carbamoyl-PROXYL as a molecular imaging probe. In addition, this technique was feasible for the diagnosis of NASH compared with histopathological findings from biopsies. Our data reveal a novel method for monitoring the dynamics of redox metabolic changes in NAFLD/NASH. PMID- 29215056 TI - Experimental nonlocality-based network diagnostics of multipartite entangled states. AB - We introduce a novel diagnostic scheme for multipartite networks of entangled particles, aimed at assessing the quality of the gates used for the engineering of their state. Using the information gathered from a set of suitably chosen multiparticle Bell tests, we identify conditions bounding the quality of the entangled bonds among the elements of a register. We illustrate the effectiveness of our proposal by characterizing a quantum resource engineered combining two photon hyperentanglement and photonic-chip technology. Our approach opens up future studies on medium-sized networks due to the intrinsically modular nature of cluster states, and paves the way to section-by-section analysis of larger photonics resources. PMID- 29215055 TI - Impairing the function of MLCK, myosin Va or myosin Vb disrupts Rhinovirus B14 replication. AB - Together, the three human rhinovirus (RV) species are the most frequent cause of the common cold. Because of their high similarity with other viral species of the genus Enterovirus, within the large family Picornaviridae, studies on RV infectious activities often offer a less pathogenic model for more aggressive enteroviruses, e.g. poliovirus or EV71. Picornaviruses enter via receptor mediated endocytosis and replicate in the cytosol. Most of them depend on functional F-actin, Rab proteins, and probably motor proteins. To assess the latter, we evaluated the role of myosin light chain kinase (MLCK) and two myosin V isoforms (Va and Vb) in RV-B14 infection. We report that ML-9, a very specific MLCK inhibitor, dramatically reduced RV-B14 entry. We also demonstrate that RV B14 infection in cells expressing dominant-negative forms of myosin Va and Vb was impaired after virus entry. Using immunofluorescent localization and immunoprecipitation, we show that myosin Va co-localized with RV-B14 exclusively after viral entry (15 min post infection) and that myosin Vb was present in the clusters of newly synthesized RNA in infected cells. These clusters, observed at 180 min post infection, are reminiscent of replication sites. Taken together, these results identify myosin light chain kinase, myosin Va and myosin Vb as new players in RV-B14 infection that participate directly or indirectly in different stages of the viral cycle. PMID- 29215057 TI - Mechanochemical mineralization of "very persistent" fluorocarbon surfactants - 6:2 fluorotelomer sulfonate (6:2FTS) as an example. AB - Fluorinated organic chemicals have a wide variety of industrial and consumer applications. For long time perfluorooctane sulfonate and perfluorooctanoic acid have been used as precursors for manufacture of such chemicals. However, these C8 chain compounds have been demonstrated to be toxic, persistent, and bioaccumulative, thus inducing their phase-out. Currently, C6 telomer based fluorocarbon surfactants are considered better alternatives to C8 products because of their low bioaccumulability. But, their high persistency suggests that in the near future their concentrations will increase in the environment and in industrial waste. Being a solid state non-thermal technology, mechanochemical treatment is a good candidate for the destruction of emerging C6 fluorotelomers in solid waste. In the present study, 6:2 fluorotelomer sulfonate is effectively destroyed (~100%) in rapid manner (<1 h) by high energy ball milling with KOH. Stoichiometric fluoride formation confirms its entire mineralization, assuring that no toxic by-products are generated. Reaction mechanism and kinetics indicate that effective mineralization of the perfluorinated moiety is obtained thanks to a rapid CF2 "flake-off" process through radical mechanism. PMID- 29215058 TI - Hybrid black silicon solar cells textured with the interplay of copper-induced galvanic displacement. AB - Metal-assisted chemical etching (MaCE) has been widely employed for the fabrication of regular silicon (Si) nanowire arrays. These features were originated from the directional etching of Si preferentially along <100> orientations through the catalytic assistance of metals, which could be gold, silver, platinum or palladium. In this study, the dramatic modulation of etching profiles toward pyramidal architectures was undertaken by utilizing copper as catalysts through a facile one-step etching process, which paved the exceptional way on the texturization of Si for advanced photovoltaic applications. Detailed examinations of morphological evolutions, etching kinetics and formation mechanism were performed, validating the distinct etching model on Si contributed from cycling reactions of copper deposition and dissolution under a quasi-stable balance. In addition, impacts of surface texturization on the photovoltaic performance of organic/inorganic hybrid solar cells were revealed through the spatial characterizations of voltage fluctuations upon light mapping analysis. It was found that the pyramidal textures made by copper-induced cycling reactions exhibited the sound antireflection characteristics, and further achieved the leading conversion efficiency of 10.7%, approximately 1.8 times and beyond 1.2 times greater than that of untexturized and nanowire-based solar cells, respectively. PMID- 29215060 TI - Removal of sulfur by adding zinc during the digestion process of high-sulfur bauxite. AB - This paper proposes a novel approach to sulfur removal by adding zinc during the digestion process. The effects of zinc dosage on the concentrations of different valence sulfur in sodium aluminate solution were investigated at length to find that high-valence sulfur (S2O32-, SO32-, SO42-) concentration in sodium aluminate solution decreases, but the concentration of the S2- in the sodium aluminate solution increases as zinc dosage increases. This suggests that zinc can react with high-valence sulfur to generate S2- at digestion temperature, which is consistent with our thermodynamic calculation results. In this study, as zinc dosage increases, sulfur digestion rate decreases while sulfur content in red mud markedly increases when zinc dosage was below 4%; the digestion rates of sulfur and sulfur content in red mud remains stable when zinc dosage was above 4%; the alumina digestion rate, conversely, increased slightly throughout the experiment. This suggests that high-valence sulfur in sodium aluminate solution can be converted to S2- and then enter red mud to be removed completely by adding zinc during the digestion process. PMID- 29215059 TI - Protective effect of mesenchymal stem cells on the pressure ulcer formation by the regulation of oxidative and endoplasmic reticulum stress. AB - Cutaneous ischemia-reperfusion (I/R) injury is associated with the early pathogenesis of cutaneous pressure ulcers (PUs). The objective of this study was to investigate the effect of mesenchymal stem cells (MSCs) injection on the formation of PUs after I/R injury and determine the underlying mechanisms. We found that the subcutaneous injection of MSCs into areas of I/R injured skin significantly suppressed the formation of PUs. I/R-induced vascular damage, hypoxia, oxidative DNA damage, and apoptosis were decreased by MSCs injection. Oxidative stress signals detected after I/R in OKD48 (Keap1-dependent oxidative stress detector, No-48-luciferase) mice were decreased by the injection of MSCs. In cultured fibroblasts, MSCs-conditioned medium significantly inhibited oxidant induced reactive oxygen species (ROS) generation and apoptosis. Furthermore, endoplasmic reticulum (ER) stress signals detected after I/R in ERAI (ER stress activated indicator) mice were also decreased by the injection of MSCs. These results suggest that the injection of MSCs might protect against the development of PUs after cutaneous I/R injury by reducing vascular damage, oxidative cellular damage, oxidative stress, ER stress, and apoptosis. PMID- 29215061 TI - Local Production of Activated Factor X in Atherosclerotic Plaque Induced Vascular Smooth Muscle Cell Senescence. AB - Our previous study demonstrated that coagulation factor Xa (FXa) induced endothelial cell senescence, resulting in inflammation and impaired angiogenesis. This mechanism is dictated through protease-activated receptors, PARs, insulin like growth factor-binding protein 5 (IGFBP-5), and p53. Activation of PARs contributes to the pathophysiology of several chronic inflammatory diseases, including atherosclerosis. Thus, we speculated that similar mechanism might participate in the progression of atherosclerotic plaques. In the present study, we successfully identified the cells that produced FX/Xa in atherosclerosis using human atherosclerotic plaques obtained from carotid endarterectomy. In situ hybridization for FX revealed that FX was generated in vascular smooth muscle cells (VSMC), inflammatory cells, and endothelial cells. Then, we examined the effects of FXa on the growth of VSMC in vitro. The present study revealed that chronic FXa stimulation significantly induced the senescence of VSMC with concomitant upregulation of IGFBP-5 and p53. Inhibition of FXa signaling with rivaroxaban or knock down of IGFBP-5 significantly reduced FXa-induced VSMC senescence and inflammatory cytokine production. Finally, we confirmed that FXa and IGFBP-5 are co-distributed in atherosclerotic plaques. In conclusion, induction of senescence of VSMC induced by locally produced FX/Xa may contribute to the progression of atherosclerosis. PMID- 29215062 TI - Protein-Structure Assisted Optimization of 4,5-Dihydroxypyrimidine-6-Carboxamide Inhibitors of Influenza Virus Endonuclease. AB - Influenza is a serious hazard to human health that causes hundreds of thousands of deaths annually. Though vaccines and current therapeutics can blunt some of the perilous impact of this viral infection, new treatments are needed due to the constantly evolving nature of this virus. Recently, our growing understanding of an essential influenza viral protein, PA, has led to the development of focused libraries of new small molecules that specifically target the active site of the PA influenza endonuclease, which we report here. Our overarching approach has been to proactively develop lead inhibitors that are less likely to rapidly develop clinical resistance by optimizing inhibitors that retain activity against induced resistant mutants. Here, we report details behind the discovery of new potent inhibitors of wild type and resistant mutant endonucleases along with their high-resolution co-crystal structure-activity relationships. These results add to our understanding of nuclease protein targets and potentially serve as starting points for a new therapeutic approach to the treatment of influenza. PMID- 29215063 TI - Reduced vertical displacement of the center of mass is not accompanied by reduced oxygen uptake during walking. AB - The six determinants of gait proposed that the goal of gait is to minimize vertical displacement of the body's center of mass (CoM) with the objective to optimize energy expenditure. On the contrary, recent investigations suggest that reduced vertical displacement leads to an increase in energy expenditure. However, these investigations had the included subjects deliberately changing their gait, which could bias the endpoint measures. The present study investigated the effect of reduced vertical displacement of the CoM on oxygen uptake and walking economy without imposing altered gait patterns. This was accomplished by having subjects walk on a curved treadmill and on a flat treadmill. Vertical displacement of the CoM (sacrum marker displacement), oxygen uptake, walking economy, stride characteristics and lower limb joint angles were measured. There were significant differences in stride characteristics and phase dependent differences in lower limb movement pattern between the two conditions which in size were comparable to the changes observed between different speeds. The vertical displacement of the CoM was significantly reduced on the curved treadmill. This was accompanied by an increase in oxygen uptake and walking economy. These results support recent assertions that the six determinants of gait do not serve to improve walking economy. PMID- 29215064 TI - Self-adaptive Bioinspired Hummingbird-wing Stimulated Triboelectric Nanogenerators. AB - Bio-inspired technologies have remarkable potential for energy harvesting from clean and sustainable energy sources. Inspired by the hummingbird-wing structure, we propose a shape-adaptive, lightweight triboelectric nanogenerator (TENG) designed to exploit the unique flutter mechanics of the hummingbird for small scale wind energy harvesting. The flutter is confined between two surfaces for contact electrification upon oscillation. We investigate the flutter mechanics on multiple contact surfaces with several free-standing and lightweight electrification designs. The flutter driven-TENGs are deposited on simplified wing designs to match the electrical performance with variations in wind speed. The hummingbird TENG (H-TENG) device weighed 10 g, making it one of the lightest TENG harvesters in the literature. With a six TENG network, the hybrid design attained a 1.5 W m-2 peak electrical output at 7.5 m/s wind speed with an approximately linear increase in charge rate with the increased number of TENG harvesters. We demonstrate the ability of the H-TENG networks to operate Internet of Things (IoT) devices from sustainable and renewable energy sources. PMID- 29215065 TI - Toll-like Receptor Activation Induces Degeneration of Human Intervertebral Discs. AB - Toll-like receptors (TLR) are activated by endogenous alarmins such as fragmented extracellular matrix compounds found in the degenerating disc. TLRs regulate cytokine, neurotrophin, and protease expression in human disc cells in vitro, and thus control key factors in disc degeneration. However, whether TLR activation leads to degenerative changes in intact human discs is unclear. Nucleus pulposus (NP) cells isolated from non-degenerating discs increase IL-1beta and nerve growth factor gene expression following treatment with Pam2CSK4 (TLR2/6 agonist) but not Pam3CSK4 (TLR1/2 agonist). Challenging NP cells with Pam2CSK4 or 30 kDa fibronectin fragments (FN-f, an endogenous TLR2 and TLR4 alarmin) increased secretion of proinflammatory cytokines. We then investigated the effect of TLR activation in intact, non-degenerate, ex vivo human discs. Discs were injected with PBS, Pam2CSK4 and FN-f, and cultured for 28 days. TLR activation increased proteoglycan and ECM protein release into the culture media and decreased proteoglycan content in the NP. Proteases, including MMP3, 13 and HTRA1, are secreted at higher levels following TLR activation. In addition, proinflammatory cytokine levels, including IL-6, TNFalpha and IFNgamma, increased following TLR activation. These results indicate that TLR activation induces degeneration in human discs. Therefore, TLRs are potential disease-modifying therapeutic targets to slow disc degeneration. PMID- 29215066 TI - Pharmacological inhibition of REV-ERB stimulates differentiation, inhibits turnover and reduces fibrosis in dystrophic muscle. AB - Duchenne muscular dystrophy (DMD) is a debilitating X-linked disorder that is fatal. DMD patients lack the expression of the structural protein dystrophin caused by mutations within the DMD gene. The absence of functional dystrophin protein results in excessive damage from normal muscle use due to the compromised structural integrity of the dystrophin associated glycoprotein complex. As a result, DMD patients exhibit ongoing cycles of muscle destruction and regeneration that promote inflammation, fibrosis, mitochondrial dysfunction, satellite cell (SC) exhaustion and loss of skeletal and cardiac muscle function. The nuclear receptor REV-ERB suppresses myoblast differentiation and recently we have demonstrated that the REV-ERB antagonist, SR8278, stimulates muscle regeneration after acute injury. Therefore, we decided to explore whether the REV ERB antagonist SR8278 could slow the progression of muscular dystrophy. In mdx mice SR8278 increased lean mass and muscle function, and decreased muscle fibrosis and muscle protein degradation. Interestingly, we also found that SR8278 increased the SC pool through stimulation of Notch and Wnt signaling. These results suggest that REV-ERB is a potent target for the treatment of DMD. PMID- 29215069 TI - Topological gapless phase in Kitaev model on square lattice. AB - We study the topological feature of gapless states in the fermionic Kitaev model on a square lattice. There are two types of gapless states which are topologically trivial and nontrivial. We show that the topological gapless phase lives in a wide two-dimensional parameter region and are characterized by two vertices of an auxiliary vector field de-fined in the two-dimensional momentum space, with opposite winding numbers. The isolated band touching points, as the topological defects of the field, move, emerge, and disappear as the parameters vary. The band gap starts to open only at the merg-ing points, associated with topologically trivial gapless states. The symmetry protect-ing the topological gapless phase and the robustness under perturbations are also discussed. PMID- 29215067 TI - Profiling invasive Plasmodium falciparum merozoites using an integrated omics approach. AB - The symptoms of malaria are brought about by blood-stage parasites, which are established when merozoites invade human erythrocytes. Our understanding of the molecular events that underpin erythrocyte invasion remains hampered by the short period of time that merozoites are invasive. To address this challenge, a Plasmodium falciparum gamma-irradiated long-lived merozoite (LLM) line was developed and investigated. Purified LLMs invaded erythrocytes by an increase of 10-300 fold compared to wild-type (WT) merozoites. Using an integrated omics approach, we investigated the basis for the phenotypic difference. Only a few single nucleotide polymorphisms within the P. falciparum genome were identified and only marginal differences were observed in the merozoite transcriptomes. By contrast, using label-free quantitative mass-spectrometry, a significant change in protein abundance was noted, of which 200 were proteins of unknown function. We determined the relative molar abundance of over 1100 proteins in LLMs and further characterized the major merozoite surface protein complex. A unique processed MSP1 intermediate was identified in LLM but not observed in WT suggesting that delayed processing may be important for the observed phenotype. This integrated approach has demonstrated the significant role of the merozoite proteome during erythrocyte invasion, while identifying numerous unknown proteins likely to be involved in invasion. PMID- 29215068 TI - Integrated DNA methylome and transcriptome analysis reveals the ethylene-induced flowering pathway genes in pineapple. AB - Ethylene has long been used to promote flowering in pineapple production. Ethylene-induced flowering is dose dependent, with a critical threshold level of ethylene response factors needed to trigger flowering. The mechanism of ethylene induced flowering is still unclear. Here, we integrated isoform sequencing (iso seq), Illumina short-reads sequencing and whole-genome bisulfite sequencing (WGBS) to explore the early changes of transcriptomic and DNA methylation in pineapple following high-concentration ethylene (HE) and low-concentration ethylene (LE) treatment. Iso-seq produced 122,338 transcripts, including 26,893 alternative splicing isoforms, 8,090 novel transcripts and 12,536 candidate long non-coding RNAs. The WGBS results suggested a decrease in CG methylation and increase in CHH methylation following HE treatment. The LE and HE treatments induced drastic changes in transcriptome and DNA methylome, with LE inducing the initial response to flower induction and HE inducing the subsequent response. The dose-dependent induction of FLOWERING LOCUS T-like genes (FTLs) may have contributed to dose-dependent flowering induction in pineapple by ethylene. Alterations in DNA methylation, lncRNAs and multiple genes may be involved in the regulation of FTLs. Our data provided a landscape of the transcriptome and DNA methylome and revealed a candidate network that regulates flowering time in pineapple, which may promote further studies. PMID- 29215070 TI - Evolutionary analysis of mumps viruses of genotype F collected in mainland China in 2001-2015. AB - Mumps incidence in mainland China remains at a high level. Genotype F has been the predominant genotype of mumps virus (MuV) in the last 20 years in mainland China. To better understand the genetic characteristics of MuV in China, the sequences of the Small Hydrophobic (SH), Hemagglutinin-Neuraminidase (HN) and Fusion (F) genes of MuVs of genotype F collected during 2001-2015 were determined. The evolutionary rates of the HN and F genes were similar (0.5 * 10-3 substitutions/site/year) whereas the SH gene evolutionary rate was three times faster. The most recent common ancestor of genotype F was traced back to 1980. Four lineages were identified within HN and F MuV sequences. A phylogeographic analysis indicated that the genotype F viruses originally spread from the Liaoning and Shandong provinces followed by a spread to the South and East of China. This study provides important genetic baseline data for the development of prevention and control measures of mumps. PMID- 29215071 TI - Damage of the right dorsal superior longitudinal fascicle by awake surgery for glioma causes persistent visuospatial dysfunction. AB - Patients with glioma frequently present with neuropsychological deficits preoperatively and/or postoperatively, and these deficits may remain after the chronic phase. However, little is known about postoperative recovery course of right hemispheric function. We therefore studied the characteristics and causes of persistent cognitive dysfunction in right cerebral hemispheric glioma. Eighteen patients who underwent awake surgery participated in this study. All patients who received preoperative neuropsychological examinations were assigned to two groups according to their test results: preoperative deficit and normal. They were reassessed 1 week and 3 months after surgery. The rates of remaining deficits in the deficit group at chronic phase were higher than those of the normal group for all functions. Despite preoperative normal function, the remaining rate for visuospatial cognitive deficits was the highest among all functions. The voxel-based lesion-symptom mapping analysis for visuospatial cognition revealed that a part of the medial superior and middle frontal gyri were resected with high probability in patients with low visuospatial cognitive accuracy. Our study indicates that in patients with preoperative neuropsychological deficits, these deficits tend to remain until the chronic phase. Visuospatial dysfunction frequently persists until the chronic phase, which might reflect damage to the superior longitudinal fasciclus I and II. PMID- 29215072 TI - Lactation has persistent effects on a mother's metabolism and mitochondrial function. AB - Human epidemiological data show that breastfeeding reduces the prevalence of numerous diseases compared to mothers that give birth but do not participate in lactation. The goal of this study was to determine if differences in metabolism, mitochondrial function, and oxidative stress underlie the protective phenotype found in lactating women. Ten-week old female Sprague-Dawley rats were divided into three groups (n = 8 per group): 1) rats that did not reproduce (NR), 2) rats that were allowed to mate and become pregnant but did not suckle their pups after giving birth (NL), and 3) rats that were allowed to mate and become pregnant and suckled their pups for 21 days before weaning (L). All animals were sacrificed at approximately 7 months of age, a time corresponding to 15 weeks after the NL and L females gave birth. Liver mitochondrial respiration was higher in L rats when using NADH-linked substrates and these rats had lower serum glucose concentration. Additionally, the L group exhibited changes in liver, skeletal muscle, and white adipose tissue PPARdelta protein levels that may, in part, explain the observed lower serum glucose concentration. These novel animal findings provide evidence of differences in metabolic processes that persist months after weaning. PMID- 29215073 TI - Solution structure of the major fish allergen parvalbumin Sco j 1 derived from the Pacific mackerel. AB - Although fish is an important part of the human diet, it is also a common source of food allergy. The major allergen in fish is parvalbumin, a well-conserved Ca2+ binding protein found in the white muscle of many fish species. Here, we studied the solution structure of the parvalbumin Sco j 1, derived from the Pacific mackerel, using nuclear magnetic resonance spectroscopy. We mapped the IgE binding epitope proposed in a recent study onto the present structure. Interestingly, three of four residues, which were elucidated as key residues of the IgE-binding epitope, were exposed to solvent, whereas one residue faced the inside of the molecule. We expect that this solution structure can be used in future studies attempting to analyze the various IgE-binding modes of these allergens. PMID- 29215074 TI - Structural analysis of the complex between influenza B nucleoprotein and human importin-alpha. AB - Influenza viruses are negative strand RNA viruses that replicate in the nucleus of the cell. The viral nucleoprotein (NP) is the major component of the viral ribonucleoprotein. In this paper we show that the NP of influenza B has a long N terminal tail of 70 residues with intrinsic flexibility. This tail contains the Nuclear Location Signal (NLS). The nuclear trafficking of the viral components mobilizes cellular import factors at different stages, making these host-pathogen interactions promising targets for new therapeutics. NP is imported into the nucleus by the importin-alpha/beta pathway, through a direct interaction with importin-alpha isoforms. Here we provide a combined nuclear magnetic resonance and small-angle X-ray scattering (NMR/SAXS) analysis to describe the dynamics of the interaction between influenza B NP and the human importin-alpha. The NP of influenza B does not have a single NLS nor a bipartite NLS but our results suggest that the tail harbors several adjacent NLS sequences, located between residues 30 and 71. PMID- 29215075 TI - Optimal pre-plant irrigation and fertilization can improve biomass accumulation by maintaining the root and leaf productive capacity of cotton crop. AB - Cotton is a major cash crop grown worldwide primarily for fiber and oil seed. As the most important cultural practices for cotton production, single pre-plant irrigation and basal fertilization for cotton plant growth and yield are well documented, but their coupling effects are poorly understood in arid regions. A 2 year outdoor pot trial was conducted to unravel the effects of pre-plant irrigation and basal fertilization on leaf area, root growth, biomass accumulation, and capacity of leaf area and root in cotton plant. Two pre-plant irrigations (i.e., W80, well-watered and W0, not watered) and two basal dressing fertilizations (F10, surface application and F30, deep application) were used in the experiments. The aboveground and reproductive biomass were highest in W80F10 after 69 days after emergence. Furthermore, W80F10 increased the root length in the 0-40 cm soil layer and the leaf area and improved the loading boll capacity of the effective root length and leaf area. The effective root length and leaf area had substantial direct effects on the aboveground and root biomass, respectively. Our data suggest that basal fertilizer surface application under adequate pre-plant irrigation is an effective strategy for optimal cotton production, which improves the coordination of water-nutrient absorption and photosynthetic areas and promotes assimilated distribution to the reproductive structures. PMID- 29215076 TI - A Novel Electroactive Agarose-Aniline Pentamer Platform as a Potential Candidate for Neural Tissue Engineering. AB - Neuronal disorder is an important health challenge due to inadequate natural regeneration, which has been responded by tissue engineering, particularly with conductive materials. A bifunctional electroactive scaffold having agarose biodegradable and aniline pentamer (AP) conductive parts was designed that exhibits appropriate cell attachment/compatibility, as detected by PC12 cell seeding. The developed carboxyl-capped aniline-pentamer improved agarose cell adhesion potential, also the conductivity of scaffold was in the order 10-5 S/cm reported for cell membrane. Electrochemical impedance spectroscopy was applied to plot the Nyquist graph and subsequent construction of the equivalent circuit model based on the neural model, exhibiting an appropriate cell signaling and an acceptable consistency between the components of the scaffold model with neural cell model. The ionic conductivity was also measured; exhibiting an enhanced ionic conductivity, but lower activation energy upon a temperature rise. Swelling behavior of the sample was measured and compared with pristine agarose; so that aniline oligomer due to its hydrophobic nature decreased water uptake. Dexamethasone release from the developed electroactive scaffold was assessed through voltage-responsive method. Proper voltage-dependent drug release could be rationally expected because of controllable action and elimination of chemically responsive materials. Altogether, these characteristics recommended the agarose/AP biopolymer for neural tissue engineering. PMID- 29215077 TI - Magnetic Frustration Driven by Itinerancy in Spinel CoV2O4. AB - Localized spins and itinerant electrons rarely coexist in geometrically frustrated spinel lattices. They exhibit a complex interplay between localized spins and itinerant electrons. In this paper, we study the origin of the unusual spin structure of the spinel CoV2O4, which stands at the crossover from insulating to itinerant behavior using the first principle calculation and neutron diffraction measurement. In contrast to the expected paramagnetism, localized spins supported by enhanced exchange couplings are frustrated by the effects of delocalized electrons. This frustration produces a non-collinear spin state even without orbital orderings and may be responsible for macroscopic spin glass behavior. Competing phases can be uncovered by external perturbations such as pressure or magnetic field, which enhances the frustration. PMID- 29215078 TI - Melanization in response to wounding is ancestral in arthropods and conserved in albino cave species. AB - Many species adapted to aphotic subterranean habitats have lost all body pigmentation. Yet, melanization is an important component of wound healing in arthropods. We amputated appendages in a variety of cave-adapted and surface dwelling arthropods. A dark clot formed at the site of injury in most species tested, including even albino cave-adapted species. The dark coloration of the clots was due to melanin deposition. The speed of wound melanization was uncorrelated with a difference in metabolic rate between surface and cave populations of an amphipod. The chelicerate Limulus polyphemus, all isopod crustaceans tested, and the cave shrimp Troglocaris anophthalmus did not melanize wounds. The loss of wound melanization in T. anophthalmus was an apomorphy associated with adaptation to subterranean habitats, but in isopods it appeared to be a symplesiomorphy unrelated to colonization of subterranean habitats. We conclude that wound melanization i) is an important part of innate immunity because it was present in all major arthropod lineages, ii) is retained in most albino cave species, and iii) has been lost several times during arthropod evolution, indicating melanization is not an indispensable component of wound healing in arthropods. PMID- 29215079 TI - Design and synthesis of 5-aryl-4-(4-arylpiperazine-1-carbonyl)-2H-1,2,3-triazole derivatives as colchicine binding site inhibitors. AB - A series of 5-aryl-4-(4-arylpiperazine-1-carbonyl)-2H-1,2,3-triazol derivatives were designed as potential microtubule targeting agents. The regioselective alkylation of 5-aryl-4-(4-arylpiperazine-1-carbonyl)-2H-1,2,3-triazole was predicted by computations and confirmed by an unambiguous synthetic route. The antiproliferative activity of the synthesized compounds was tested in vitro using three human cancer cell lines and some compounds exhibited significant antiproliferative activity, which suggested the reasonability of introduction of the 1,2,3-triazole fragment. Among them, compound 7p showed highest activity with the IC50 values at nanomolar level towards all three cell lines, which were comparable to the positive control, CA-4. Tubulin polymerization assay, immunofluorescence studies, cell cycle analysis and competitive tubulin-binding assay strongly proved that 7p is a colchicine binding site inhibitor of tubulin. Thus, 7p was identified as a promising drug candidate for further development of colchicine binding site inhibitors. PMID- 29215080 TI - Risk, Predictors, and Outcomes of Acute Kidney Injury in Patients Admitted to Intensive Care Units in Egypt. AB - Epidemiology of acute kidney injury (AKI) in developing countries is under studied. We evaluated the risk and prognosis of AKI in patients admitted to intensive care units (ICUs) in Egypt. We recruited consecutive adults admitted to ICUs in Alexandria Teaching Hospitals over six months. We used the KDIGO criteria for AKI. We followed participants until the earliest of ICU discharge, death, day 30 from entry or study end. Of the 532 participants (median age 45 (Interquartile range [IQR]: 30-62) years, 41.7% male, 23.7% diabetics), 39.6% had AKI at ICU admission and 37.4% developed AKI after 24 hours of ICU admission. Previous need of diuretics, sepsis and low education were associated with AKI at ICU admission; APACHE II score independently predicted AKI after ICU admission. A total of 120 (22.6%) patients died during 30-day follow-up. Compared to patients who remained AKI-free, mortality was significantly higher in patients who had AKI at study entry (Hazard Ratio [HR] 2.14; 95% Confidence Interval [CI] 1.02-4.48) or developed AKI in ICU (HR 2.74; 95% CI 1.45-5.17). The risk of AKI is high in critically ill people and predicts poor outcomes. Further studies are needed to estimate the burden of AKI among patients before ICU admission. PMID- 29215081 TI - Experimental Zika Virus Inoculation in a New World Monkey Model Reproduces Key Features of the Human Infection. AB - A monkey model of Zika virus (ZIKV) infection is urgently needed to better understand transmission and pathogenesis, given its proven association with fetal brain defects in pregnant women and acute neurological illness. Here we experimentally infected 4 male marmosets with ZIKV (prototype 1947 African strain) and monitored them clinically with sampling of various body fluids and tissues for nearly 3 months. We show that the course of acute infection with ZIKV in these New World monkeys resembles the human illness in many respects, including (1) lack of apparent clinical symptoms in most cases, (2) persistence of the virus in body fluids such as semen and saliva for longer periods of time than in serum, and (3) generation of neutralizing antibodies as well as an antiviral immunological host response. Importantly, ZIKV-infected saliva samples (in addition to serum) were found to be infectious, suggesting potential capacity for viral transmission by the oral route. Re-challenge of a previously infected marmoset with a contemporary outbreak strain SPH2015 from Brazil resulted in continued protection against infection, no viral shedding, and boosting of the immune response. Given the key similarities to human infection, a marmoset model of ZIKV infection may be useful for testing of new drugs and vaccines. PMID- 29215082 TI - The myokinetic control interface: tracking implanted magnets as a means for prosthetic control. AB - Upper limb amputation deprives individuals of their innate ability to manipulate objects. Such disability can be restored with a robotic prosthesis linked to the brain by a human-machine interface (HMI) capable of decoding voluntary intentions, and sending motor commands to the prosthesis. Clinical or research HMIs rely on the interpretation of electrophysiological signals recorded from the muscles. However, the quest for an HMI that allows for arbitrary and physiologically appropriate control of dexterous prostheses, is far from being completed. Here we propose a new HMI that aims to track the muscles contractions with implanted permanent magnets, by means of magnetic field sensors. We called this a myokinetic control interface. We present the concept, the features and a demonstration of a prototype which exploits six 3-axis sensors to localize four magnets implanted in a forearm mockup, for the control of a dexterous hand prosthesis. The system proved highly linear (R2 = 0.99) and precise (1% repeatability), yet exhibiting short computation delay (45 ms) and limited cross talk errors (10% the mean stroke of the magnets). Our results open up promising possibilities for amputees, demonstrating the viability of the myokinetic approach in implementing direct and simultaneous control over multiple digits of an artificial hand. PMID- 29215083 TI - Association detection between ordinal trait and rare variants based on adaptive combination of P values. AB - Next-generation sequencing technology not only presents a new method for the detection of human genomic structural variation, but also provides a large number of genetic data of rare variants for us. Currently, how to detect association between human complex diseases and rare variants using genetical data has attracted extensive attention. In the field of medicine, many people's health and disease conditions are measured by ordinal response variables, namely, the trait value reflects the development stage or severity of a certain condition. However, most existing methods to test for association between rare variants and complex diseases are designed to deal with dichotomous or quantitative traits. Association analysis methods of ordinal traits are relatively fewer, and considering ordinal traits as dichotomous and quantitative traits will inevitably lose some valuable information in the original data. Therefore, in this paper, we extend an existing method of adaptive combination of P values (ADA) and propose a new method of association analysis for ordinal trait based on it (called OR-ADA) to test for possible association between ordinal trait and rare variants. In our method, we establish a cumulative logistic regression model, in which the regression coefficients are estimated by the Newton-Raphson algorithm and the likelihood ratio test is used to test the association. Through a large number of simulation studies and an example, we demonstrate the performance of the new method and compare it with several methods. The analysis results show that the OR ADA strategy is robust to the signs of effects of causal variants and more powerful under many scenarios. PMID- 29215084 TI - Variants of ALPK1 with ABCG2, SLC2A9, and SLC22A12 increased the positive predictive value for gout. AB - We investigated the interactions of ALPK1 variants and the loci of ABCG2, SLC2A9, and SLC22A12 on gout risk. We conducted two case-control studies. Participants were recruited from hospitals (n = 410; 104 gout cases and 306 controls) and communities (n = 678; 373 gout cases and 305 controls) in Taiwan. The genotypes of ALPK1 (rs11726117 M861T, rs231247 R1084R, and rs231253 3' UTR), ABCG2 (rs2231142 Q141K and rs2231137 V12M), SLC2A9 (rs3733591 R265H and rs1014290), and SLC22A12 (rs3825016 H86H, rs11231825 H142H, and rs475688) were genotyped. Under a recessive model, the joint effects of ALPK1 variants and the SNPs rs2231142 of ABCG2, rs1014290 of SLC2A9, or rs475688 and rs3825016 of SLC22A12 were associated with gout. The rs11726117 [CC] of ALPK1 and rs2231142 [TT] of ABCG2 with the sequential addition of the rs1014290 [AA] of SLC2A9 and rs3825016 [CC] of SLC22A12 were associated with gout risk (odds ratio (OR): 13.01, 15.11, and 55.00 and positive predictive value (PPV): 56%, 69%, and 99% in the Han group, respectively; OR: 3.76, 5.78, and 12.30 and PPV: 74%, 80%, and 81% in the aboriginal group, respectively). Combined exposure to the four high-risk genotypes of ALPK1 and the uric-acid-related loci of ABCG2, SLC2A9, and SLC22A12 was associated with an increased gout risk and a high PPV for gout. PMID- 29215085 TI - Mitogenomic diversity and differentiation of the Buryats. AB - In this paper we present a results of first comprehensive study of the complete mitogenomes in the Buryats with regard to their belonging to the main regional (eastern and western Buryats); tribal (Khori, Ekhirid, Bulagad, and Khongodor), and ethno-territorial (Aginsk, Alar, Balagansk, Barguzin, Ida, Khorinsk, Kuda, Selenga, Verkholensk, Olkhon, Tunka, and Shenehen Buryats) groups. The analysis of molecular variation performed using regional, tribal, and ethno-territorial divisions of the Buryats showed lack of genetic differentiation at all levels. Nonetheless, the complete mitogenome analysis revealed a very high level of genetic diversity in the Buryats which is the highest among Siberian populations and comparable to that in populations of eastern and western Asia. The AMOVA and MDS analyses results imply to a strong genetic similarity between the Buryats and eastern Asian populations of Chinese and Japanese, suggesting their origin on the basis of common maternal ancestry components. Several new Buryat-specific branches of haplogroup G (G2a2a, G2a1i, G2a5a) display signals of dispersals dating to 2.6-6.6 kya with a possible origin in eastern Asia, thus testifying Bronze Age and Neolithic arrival of ancestral eastern Asian component to the South Siberia region. PMID- 29215086 TI - Genetic predisposition to infection in a case of atypical hemolytic uremic syndrome. AB - Most cases of hemolytic uremic syndrome (HUS) are caused by infection with enterohemorrhagic Escherichia coli (EHEC). Genetic defects causing uncontrolled complement activation are associated with the more severe atypical HUS (aHUS). Non-EHEC infections can trigger the disease, however, complement defects predisposing to such infections have not yet been studied. We describe a 2-month old patient infected with different Gram-negative bacterial species resulting in aHUS. Serum analysis revealed slow complement activation kinetics. Rare variant R229C was found in complement inhibitor vitronectin. Recombinant mutated vitronectin showed enhanced complement inhibition in vitro and may have been a predisposing factor for infection. Our work indicates that genetic changes in aHUS can not only result in uncontrolled complement activation but also increase vulnerability to infections contributing to aHUS. PMID- 29215087 TI - Mitochondrial DNA variations in Austronesian-speaking populations living in the New Georgia Islands, the Western Province of the Solomon Islands. AB - Modern Austronesian (AN)-speaking Melanesians are considered to be derived from the admixture of indigenous non-Austronesian (NAN)-speaking people and AN speaking people from Southeast Asia. In this study, we analyzed mitochondrial DNA (mtDNA) variations in the D-loop region for two AN-speaking Melanesian populations (Munda and Kusaghe) and an AN-speaking Micronesian population (Rawaki) in the New Georgia Islands, the Western Province of the Solomon Islands to examine their genetic similarities to AN-speaking Polynesians in Tonga and NAN speaking Melanesians, Gidra, in Papua New Guinea. The 'Polynesian motif', which is well-characterized mtDNA marker for Polynesians, was frequently observed in Munda and Kusaghe. Of particular interest, haplogroup E1a2 + 16261, which has been rarely observed in the Solomon Islands, accounted for 12.8% in Kusaghe. It has been reported that the haplogroup E1a2 arose in Island Southeast Asia (ISEA) 9400 +/- 2850 years ago. Phylogenetic and principle component analyses for 24 Oceanian populations revealed that Munda and Kusaghe populations were genetically close to Tongan population, but not to Gidra. Rawaki population showed no apparent genetic similarities to populations of Tonga and Gidra. Our results suggest that considerable gene flow from AN-speaking populations originated from Southeast Asia to indigenous Melanesians occurred in the New Georgia Islands. PMID- 29215088 TI - Charcot-Marie-Tooth disease type 2A with an autosomal-recessive inheritance: the first report of an adult-onset disease. AB - Axonal Charcot-Marie-Tooth disease (CMT) is most frequently caused by mutations in the MFN2 gene (CMT2A) that can lead to various clinical phenotypes. The age at disease onset varies, but most cases occur before adolescence. We report two Japanese sisters who presented with middle-age-onset peripheral neuropathy with distinct clinical features. In the affected sisters, a homozygous missense mutation, c.1894C>T, p.R632W, corresponding to the transmembrane domain of MFN2 was identified; this mutation was heterozygous in another non-affected sibling, demonstrating co-segregation of the genotype and phenotype. The patients developed adult-onset slowly progressive muscle weakness that was predominant in the calf muscles and sensory disturbance. Magnetic resonance imaging revealed diffuse atrophy of the spinal cord, especially in the thoracic segment, and mild atrophy of the parietal lobe and the cerebellum in both patients. Electron microscopy of the sural nerve revealed clusters of round and swollen mitochondria. This is the first case report of adult-onset CMT2A with an autosomal-recessive inheritance pattern. The phenotype caused by the MFN2 mutation in these cases is very mild, considering that the mutation causes middle aged-onset Charcot-Marie-Tooth even in the homozygous state. The mechanism of MFN2 mutation-induced toxicity is an interesting theme that awaits further investigations. PMID- 29215090 TI - In vivo genome editing via the HITI method as a tool for gene therapy. AB - Using genome-editing technologies to correct specific mutations represents a potentially transformative new approach for treating genetic disorders. Despite rapid advances in the field of genome editing, it is still unclear whether the long-standing goal of in vivo targeted transgene integration is feasible. This is primarily because current tools are inefficient. In particular, current technologies are incapable of targeted gene knock-in in non-dividing cells, the major building blocks of adult tissues. This poses a significant barrier for developing therapeutic strategies to treat a broad range of devastating genetic disorders. Recently, our group has developed a unique CRISPR/Cas9-based strategy, termed homology-independent targeted insertion (HITI), which enables targeted gene insertion in non-dividing cells, both in vitro and in vivo. This review will summarize current progress in developing this technology, and discuss the potential impact of HITI-based gene-correction therapies. PMID- 29215089 TI - Genetic analysis of benign familial epilepsies in the first year of life in a Chinese cohort. AB - Benign familial epilepsies that present themselves in the first year of life include benign familial neonatal epilepsy (BFNE), benign familial neonatal infantile epilepsy (BFNIE) and benign familial infantile epilepsy (BFIE). We used Sanger sequencing and targeted next-generation sequencing to detect gene mutations in a Chinese cohort of patients with these three disorders. A total of 79 families were collected, including 4 BFNE, 7 BFNIE, and 68 BFIE. Genetic testing led to the identification of gene mutations in 60 families (60 out of 79, 75.9%). A total of 42 families had PRRT2 mutations, 9 had KCNQ2 mutations, 8 had SCN2A mutations, and 1 had a GABRA6 mutation. In total three of four BFNE families were detected with KCNQ2 mutations. Mutations were detected in all BFNIE families, including 3 KCNQ2 mutations, 3 SCN2A mutations, and 1 PRRT2 mutation. Gene mutations were identified in 50 out of 68 BFIE families (73.5%), including 41 PRRT2 mutations (41 out of 68, 60.3%), 5 SCN2A mutations, 3 KCNQ2 mutations, and 1 GABRA6 mutation. Our results confirmed that mutations in KCNQ2, SCN2A, and PRRT2 are major genetic causes of benign familial epilepsy in the first year of life in the Chinese population. KCNQ2 is the major gene related to BFNE. PRRT2 is the main gene responsible for BFIE. PMID- 29215091 TI - Cancer induction and suppression with transcriptional control and epigenome editing technologies. AB - Cancer epigenetics is one of the most important research subjects in dissecting cancer mechanisms and therapeutic targets because the emergence and malignant transformation of various cancers are caused by unnatural expression of cancer related genes attributed to their epigenetic errors. The original concept of cancer epigenetics basically stands on the analysis of the epigenetic status in naturally occurring cancer cells; however, the rapidly emerging technology called epigenome editing would change this situation drastically. Epigenome editing, the most promising derivative technology of genome editing, can modify the epigenetic states at the pre-defined genomic locus using the programmable effectors, consisting of various epigenetic factors combined with site-specific DNA-binding domains. This technology can be utilized in a reversible manner; i.e., cancer modeling can be achieved by introducing aberrant epigenetic marks in normal cells, and cancer suppression can be achieved by correcting the epigenetic errors in cancer cells. In this review, we summarize the basics of epigenome editing and cancer epigenetics, followed by the current examples of cancer induction and suppression with the transcriptional control and epigenome editing technologies. PMID- 29215092 TI - Improvement in the sensitivity of newborn screening for Fabry disease among females through the use of a high-throughput and cost-effective method, DNA mass spectrometry. AB - Many female carriers of Fabry disease are likely to develop severe morbidity and mortality. However, by our own estimation, around 80% of female newborns are missed by our current enzyme-based screening approach. Our team's aim was to develop an improved cost-effective screening method that is able to detect Fabry disease among female newborns. In Taiwan, based on a database of 916,000 newborns, ~98% of Fabry patients carry mutations out of a pool of only 21 pathogenic mutations. An Agena iPLEX platform was designed to detect these 21 pathogenic mutations using only a single-assay panel. A total of 54,791 female infants were screened and 136 female newborns with the IVS4 + 919G > A mutation and one female newborn with the c.656T > C mutation were identified. Using the current enzyme-based newborn screening approach as baseline, around 83% of female newborns are being missed. Through a family study of the IVS4 female newborns, 30 IVS4 adult family members were found to have left ventricular hypertrophy. Ten patients received endomyocardial biopsy and all were found to have significant globotriaosylceramide (Gb3) accumulation in their cardiomyocytes. All of these individuals now receive enzyme replacement therapy. We have demonstrated that the Agena iPLEX assay is a powerful tool for detecting females with Fabry disease. Furthermore, through this screening, we also have been able to identify many disease-onset adult family members who were originally undiagnosed for Fabry disease. This screening helps them to receive treatment in time before severe and irreversible cardiac damage has occurred. PMID- 29215093 TI - Two large deletions extending beyond either end of the RHD gene and their red cell phenotypes. AB - Only two partial deletions longer than 655 nucleotides had been reported for the RHD gene, constrained within the gene and causing DEL phenotypes. Using a combination of quantitative PCR and long-range PCR, we examined three distinct deletions affecting parts of the RHD gene in three blood donors. Their RHD nucleotide sequences and exact boundaries of the breakpoint regions were determined. DEL phenotypes were caused by a novel 18.4 kb deletion and a previously published 5.4 kb deletion of the RHD gene; a D-negative phenotype was caused by a novel 7.6 kb deletion. Examination of the deletion-flanking regions suggested microhomology-mediated end-joining, replication slippage, and non homologous end-joining, respectively, as the most likely mechanisms for the three distinct deletions. We described two new deletions affecting parts of the RHD gene, much longer than any previously reported partial deletion: one was the first deletion observed at the 5' end of the RHD gene extending into the intergenic region, and the other the second deletion observed at its 3' end. Large deletions present at either end are a mechanism for a much reduced RhD protein expression or its complete loss. Exact molecular characterization of such deletions is instrumental for accurate RHD genotyping. PMID- 29215094 TI - Expression QTL analysis of glaucoma endophenotypes in the Norfolk Island isolate provides evidence that immune-related genes are associated with optic disc size. AB - Primary open-angle glaucoma (POAG) is influenced by both genetic and environmental factors. Despite significant progress in identifying genetic variants associated with POAG, there remains a substantial amount of unexplained heritability. Study design features that may enhance knowledge of the genetic architecture include focusing on multiple quantitative traits related to ocular disorders (i.e. endophenotypes), targeting genetic variants that directly influence gene expression (i.e. cis-eQTLs) and utilising genetically isolated populations to reduce genetic and environmental noise and thus enhance association signals. In this study we performed heritability and blood-based eQTL association analysis of five key POAG endophenotypes in 330 individuals from the Norfolk Island (NI) isolate. Results showed evidence of heritability for all five traits, with H2 estimates ranging from 0.35 for intraocular pressure (IOP) to 0.82 for central corneal thickness (CCT) (P < 0.05). The primary finding was for BTN3A2, whereby both cis-SNP and transcript were significantly associated with disc size within a conditional regression model. Specifically, this model included rs853676 (beta = 0.23,P = 0.008) and transcript (beta = 0.23, P = 0.03). We also observed a cis-SNP association between optic disc size and LPCAT2 independent of transcript (P = 0.0004). These genes have specific functions in immune system pathways and suggest a role for an inherited immune component of POAG risk. This study also demonstrates an alternate approach to understanding the functional genetic basis of POAG and ocular health more generally. PMID- 29215095 TI - Homozygosity for a nonsense variant in AIMP2 is associated with a progressive neurodevelopmental disorder with microcephaly, seizures, and spastic quadriparesis. AB - We ascertained two unrelated consanguineous families with two affected children each having microcephaly, refractory seizures, intellectual disability, and spastic quadriparesis. Magnetic resonance imaging showed atrophy of cerebrum, cerebellum and spinal cord, prominent cisterna magna, symmetric T2 hypo intensities in the bilateral basal ganglia and thinning of corpus callosum. Whole exome sequencing of three affected individuals revealed c.105C>A [p.(Tyr35Ter)] variant in AIMP2. The variant lies in a common homozygous region of 940 kb on chromosome 7 and is likely to have been inherited from a common ancestor. The phenotype noted in our subjects' shares marked similarity with that of hypomyelinating leukodystrophy-3 caused by mutations in closely related gene AIMP1. We hereby report the first human disease associated with deleterious mutations in AIMP2. PMID- 29215096 TI - Exome sequencing revealed a novel nonsense variant in ALX3 gene underlying frontorhiny. AB - Frontorhiny is one of the two forms of mid-facial malformations characterized by ocular hypertelorism, wide and short nasal ridge, bifid nasal tip, broad columella, widely separated nares, long and wide philtrum and V-shaped hairline. Sometimes these phenotypes are associated with ptosis and midline dermoid cysts. Frontorhiny inherits in an autosomal recessive pattern. Sequence variants in the Aristaless-like homeobox 3 (ALX3) gene underlying frontorhiny have been reported previously. Here, in the present study, we have investigated four patients in a consanguineous family of Pakistani origin segregating frontorhiny in autosomal recessive manner. Genome scan using 250k Nsp1 array followed by exome and Sanger sequence analysis revealed a novel homozygous nonsense variant (c.604C>T, p.Gln202*) in the ALX3 gene resulting in frontorhiny in the family. This is the first mutation in the ALX3 gene, underlying frontorhiny, in Pakistani population. PMID- 29215097 TI - The molecular dialogue between Arabidopsis thaliana and the necrotrophic fungus Botrytis cinerea leads to major changes in host carbon metabolism. AB - Photoassimilates play crucial roles during plant-pathogen interactions, as colonizing pathogens rely on the supply of sugars from hosts. The competition for sugar acquisition at the plant-pathogen interface involves different strategies from both partners which are critical for the outcome of the interaction. Here, we dissect individual mechanisms of sugar uptake during the interaction of Arabidopsis thaliana with the necrotrophic fungus Botrytis cinerea using millicell culture insert, that enables molecular communication without physical contact. We demonstrate that B. cinerea is able to actively absorb glucose and fructose with equal capacities. Challenged Arabidopsis cells compete for extracellular monosaccharides through transcriptional reprogramming of host sugar transporter genes and activation of a complex sugar uptake system which displays differential specificity and affinity for hexoses. We provide evidence that the molecular dialogue between Arabidopsis cells and B. cinerea triggers major changes in host metabolism, including apoplastic sucrose degradation and consumption of carbohydrates and oxygen, suggesting an enhanced activity of the glycolysis and the cellular respiration. We conclude that beside a role in sugar deprivation of the pathogen by competing for sugar availability in the apoplast, the enhanced uptake of hexoses also contributes to sustain the increased activity of respiratory metabolism to fuel plant defences. PMID- 29215099 TI - Trigonal columnar self-assembly of bent phasmid mesogens. AB - Three compounds with a bent rod-like aromatic core and with three alkoxy chains at each end were synthesised by click reaction. The compounds form a columnar liquid crystal phase with non-centrosymmetric trigonal p31m symmetry, the columns having a 3-arm star-like cross-section. PMID- 29215098 TI - Proxies of quality of life in metastatic colorectal cancer: analyses in the RECOURSE trial. AB - Background: In the pivotal phase III, randomised, double-blind, placebo controlled RECOURSE study, treatment with trifluridine/tipiracil was well tolerated and associated with prolonged progression-free and overall survival in patients with metastatic colorectal cancer (mCRC). There was no formal analysis of quality of life (QoL) in RECOURSE. The aim of the present analysis was to assess proxies of QoL during the RECOURSE treatment period, in terms of adverse events (AEs) likely to affect QoL and Eastern Cooperative Oncology Group performance status (ECOG PS). Patients and methods: Enrolled patients had documented, previously treated (>=2 prior chemotherapy lines) mCRC and an ECOG PS of 0 or 1. Patients received best supportive care plus trifluridine/tipiracil 35 mg/m2 twice daily (n=534) or placebo (n=266) in a 28-day cycle. AEs analysed included nausea, vomiting, diarrhoea, dysgeusia and fatigue/asthenia. ECOG PS was determined at baseline, on day 1 of each treatment cycle, at treatment end and 30 days post-treatment discontinuation. Results: AEs that affect QoL were more frequent in patients treated with trifluridine/tipiracil than placebo. Median treatment duration for patients experiencing at least one of these AEs was longer than that observed for the overall RECOURSE population (trifluridine/tipiracil: 12 vs 7 weeks; placebo: 10 vs 6 weeks). Versus placebo, the duration of most AEs was longer in trifluridine/tipiracil recipients; however, all AEs except nausea and vomiting occupied a lower proportion of the total treatment period. Of the patients who had their PS recorded at discontinuation, PS was maintained in 67% and 63% of trifluridine/tipiracil and placebo recipients, and 84% and 81% of the trifluridine/tipiracil and placebo patients remained at a PS of 0 or 1 at discontinuation. Conclusions: Analysis of ECOG PS and AEs thought to affect QoL in the RECOURSE patient population suggests that trifluridine/tipiracil treatment does not result in a deterioration of patient QoL versus placebo. PMID- 29215100 TI - Quillaja saponin-based hollow salt particles as solid carriers for enhancing sensory aroma with reduced sodium intake. AB - Dietary salt is a vital ingredient associated with sensory performance in processed foods, while reduced salt intake linked to public health is highly desired by consumers and food manufacturers. In this paper, quillaja saponin (QS) based hollow salt particles (~10 MUm) were fabricated by simple spray drying, and utilized as solid carriers to enhance sensory aromas with reduced sodium intake. QS-coated nanodroplets were firstly prepared as a reservoir for flavor oils (lemon and garlic oil), and then served as frameworks to construct hollow salt particles via general spray drying. Headspace gas chromatography-mass spectrometry (DHS-GC-MS) and panel sensory analysis conclude that the hollow salt particles loaded with flavor oils enhance typical aroma attributes and saltiness perception in comparison with their mixture control. The QS-based hollow salt particles could be developed into novel vehicles for improving flavor performance with reduced sodium intake, and furthermore used for delivery of hydrophobic bioactives in food systems. PMID- 29215101 TI - Evaluation of Cu(i) binding to the E2 domain of the amyloid precursor protein - a lesson in quantification of metal binding to proteins via ligand competition. AB - The extracellular domain E2 of the amyloid precursor protein (APP) features a His rich metal-binding site (denoted as the M1 site). In conjunction with surrounding basic residues, the site participates in interactions with components of the extracellular matrix including heparins, a class of negatively charged polysaccharide molecules of varying length. This work studied the chemistry of Cu(i) binding to APP E2 with the probe ligands Bcs, Bca, Fz and Fs. APP E2 forms a stable Cu(i)-mediated ternary complex with each of these anionic ligands. The complex with Bca was selected for isolation and characterization and was demonstrated, by native ESI-MS analysis, to have the stoichiometry E2 : Cu(i) : Bca = 1 : 1 : 1. Formation of these ternary complexes is specific for the APP E2 domain and requires Cu(i) coordination to the M1 site. Mutation of the M1 site was consistent with the His ligands being part of the E2 ligand set. It is likely that interactions between the negatively charged probe ligands and a positively charged patch on the surface of APP E2 are one aspect of the generation of the stable ternary complexes. Their formation prevented meaningful quantification of the affinity of Cu(i) binding to the M1 site with these probe ligands. However, the ternary complexes are disrupted by heparin, allowing reliable determination of a picomolar Cu(i) affinity for the E2/heparin complex with the Fz or Bca probe ligands. This is the first documented example of the formation of stable ternary complexes between a Cu(i) binding protein and a probe ligand. The ready disruption of the complexes by heparin identified clear 'tell-tale' signs for diagnosis of ternary complex formation and allowed a systematic review of conditions and criteria for reliable determination of affinities for metal binding via ligand competition. This study also provides new insights into a potential correlation of APP functions regulated by copper binding and heparin interaction. PMID- 29215102 TI - Rational construction of a stable Zn4O-based MOF for highly efficient CO2 capture and conversion. AB - By employing a carboxylate ligand derived from benzene-1,4-dicarboxylate, a chemically stable Zn4O-based self-penetrating metal-organic framework has been rationally synthesized, which exhibits high CO2 adsorption and efficient catalytic conversion for CO2 cycloaddition. PMID- 29215103 TI - Soft X-ray activated NaYF4:Gd/Tb scintillating nanorods for in vivo dual-modal X ray/X-ray-induced optical bioimaging. AB - Lanthanide (Ln) nanocrystals using soft X-ray as an excitation source have received significant research interest due to the advantages of unlimited penetration depth of X-ray light. In this study, we demonstrated an efficient scintillator based on NaYF4:Gd nanorods (denoted as NRs) doped with different contents of terbium (Tb) ions for optical bioimaging under X-ray irradiation. The experimental results showed that the emission intensity was correlated to the doping contents of Tb3+, and the largest emission intensity was achieved by doping 15% Tb under excitation by soft X-ray light. In addition, the emission intensity of the as-prepared NRs can be significantly improved by increasing the excitation power and irradiation times of the X-ray. Owing to the efficient X-ray induced emission, these NRs were successfully used as probes for X-ray-induced optical bioimaging with high sensitivity. In addition, the dual-modal X-ray imaging and X-ray induced optical bioimaging were performed on a mouse, which indicated that the NRs were promising dual-modal bioprobes. Therefore, the X-ray activation nature of the designed NRs makes them promising probes for biomedicine and X-ray-induced photodynamic therapy (PDT) applications owing to the unlimited penetration depth of X-ray excitation source and absence of autofluorescence. PMID- 29215104 TI - A novel PTP1B inhibitor extracted from Ganoderma lucidum ameliorates insulin resistance by regulating IRS1-GLUT4 cascades in the insulin signaling pathway. AB - Insulin resistance caused by the overexpression of protein tyrosine phosphatase 1 B (PTP1B) as well as the dephosphorylation of its target is one of the main causes of type 2 diabetes (T2D). A newly discovered proteoglycan, Fudan-Yueyang Ganoderma lucidum (FYGL) extracted from Ganoderma lucidum, was first reported to be capable of competitively inhibiting PTP1B activity in vitro in our previous work. In the present study, we sought to reveal the mechanism of PTP1B inhibition by FYGL at the animal and cellular levels. We found that FYGL can decrease blood glucose, reduce body weight and ameliorate insulin resistance in ob/ob mice. Decrease of PTP1B expression and increase of the phosphorylation of PTP1B targets in the insulin signaling pathway of skeletal muscles were observed. In order to clearly reveal the underlying mechanism of the hypoglycemic effect caused by FYGL, we further investigated the effects of FYGL on the PTP1B-involved insulin signaling pathway in rat myoblast L6 cells. We demonstrated that FYGL had excellent cell permeability by using a confocal laser scanning microscope and a flow cytometer. We found that FYGL had a positive effect on insulin-stimulated glucose uptake by using the 2-deoxyglucose (2-DG) method. FYGL could inhibit PTP1B expression at the mRNA level, phosphorylating insulin receptor substrate-1 (IRS1), as well as activating phosphatidylinositol-3 kinase (PI3K) and protein kinase B (Akt). Finally, FYGL increased the phosphorylation of adenosine monophosphate-activated protein kinase (AMPK) and consequently up-regulated the expression of glucose transporter type 4 (GLUT4), promoting GLUT4 transportation to the plasma membrane in PTP1B-transfected L6 cells. Our study provides theoretical evidence for FYGL to be potentially used in T2D management. PMID- 29215105 TI - Synthesis and spectroscopic characterization of alkali-metal intercalated ZrSe2. AB - We report on the synthesis and spectroscopic characterization of alkali metal intercalated ZrSe2 single crystals. ZrSe2 is produced by chemical vapour transport and then Li is intercalated. Intercalation is performed from the liquid phase (via butyllithium) and from the vapour phase. Raman spectroscopy of intercalated ZrSe2 reveals phonon energy shifts of the Raman active A1g and Eg phonon modes, the disappearance of two-phonon modes and new low wavenumber Raman modes. Angle-resolved photoemission spectroscopy is used to perform a mapping of the Fermi surface revealing an electron concentration of 4.7 * 1014 cm-2. We also perform vapour phase intercalation of K and Cs into ZrSe2 and observe similar changes in the Raman modes as for the Li case. PMID- 29215106 TI - In situ synthesis of novel Cu2CO3(OH)2 decorated 2D TiO2 nanosheets with efficient photocatalytic H2 evolution activity. AB - Semiconductor-based photocatalytic hydrogen evolution from water with earth abundant and low cost co-catalysts has attracted much attention. Herein, novel Cu2(OH)2CO3 decorated 2D TiO2 nanosheets for photocatalytic water splitting were synthesized by a facile in situ synthetic method. The chemical and photophysical properties of Cu2(OH)2CO3/TiO2 nanosheets were investigated by X-ray diffractometry (XRD), transmission electron microscopy (TEM), UV-vis diffusion reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS) and cyclic voltammetry (CV) analysis. At an optimal Cu2(OH)2CO3 loading content of 1.5 mol%, the hybrid photocatalyst delivers a high photocatalytic H2 production rate of 1555.07 MUmol g-1 h-1. Such enhanced photocatalytic activity is attributed to tight interfaces formed between Cu2(OH)2CO3 nanoparticles and TiO2 nanosheets, which play a vital role in the separation of photo-excited carriers, and the formation of active Cu1+ and Cu0 species can also benefit the charge separation process by reducing the over-potential of water reduction. Based on the above results, a possible mechanism is proposed and further verified using photoluminescence (PL) spectra. This work may provide more insight into the synthesis of novel Cu2(OH)2CO3/TiO2 nanosheets with high photocatalytic H2 evolution activity for solar-to-chemical conversion and utilization. PMID- 29215108 TI - Carbodiimides as catalysts for the reduction of a cadmium hydride complex. AB - A rare terminal cadmium hydride complex [(BDI)CdH] (BDI = [{N(2,6 iPr2C6H3)C(Me)}2CH]) has been synthesised from [(BDI)CdCl] and LiEt3BH. The hydride can be reduced to the cadmium(i) dimer, [(BDI)CdCd(BDI)] upon treatment with a catalytic amount of diisopropyl- or dicyclohexylcarbodiimide. PMID- 29215107 TI - beta-Carotene bioaccessibility from biofortified maize (Zea mays) is related to its density and is negatively influenced by lutein and zeaxanthin. AB - Biofortification of maize with provitamin A (pro-VA) carotenoids has been successful, but the bioavailability of carotenoids needs to be explored. In the present study, we investigated the carotenoid content, micellarization and intestinal cell uptake of carotenoids from 10 maize hybrids [normal maize, quality protein maize (QPM), pro-VA carotenoid and double biofortified QPM + pro VA maize hybrids] using a simulated in vitro digestion/Caco-2 cell model. The pro VA carotenoid content of biofortified maize hybrids is 2-10 fold higher compared to that of normal maize. Furthermore, the ratio of non-pro-VA carotenoids lutein (LUT) plus zeaxanthin (ZEA) to the sum of pro-VA carotenoids beta-cryptoxanthin (BCX), alpha-carotene (AC) and beta-carotene (BC) in biofortified maize was much lower compared to that of normal maize. The consumption of 200 g day-1 of biofortified Pusa-PV-16-3 (BC = 808.4 MUg per 100 g; AC = 839.3 MUg per 100 g; BCX = 59 MUg per 100 g) and Pusa-APQH8 (BC = 345.9 MUg per 100 g; AC = 1739 MUg per 100 g; BCX = 644.2 MUg per 100 g) maize would contribute to 52 and 64% of RDAs for adult Indian men, respectively, after adjusting for cooking losses and conversion factors. The mean efficiency of micellarization of LUT (62.2% +/- 5.3), ZEA (65% +/- 4.7), and BCX (54% +/- 9.5) exceeded that of AC (43% +/- 8.9) and BC (49.8% +/- 7.8) from all the maize hybrids. Furthermore, the micellarization and uptake in Caco-2 cells during a 4 h incubation period showed high correlation (P < 0.05) with the concentration of carotenoids in the maize digesta and micellar fraction, respectively. However, the LUT + ZEA content in the maize digesta and micellar fraction was inversely (p < 0.05) related to the BC micellarization and intestinal cell uptake, respectively. These results together suggest that the enrichment of pro-VA carotenoids together with decreasing the oxygenated carotenoid metabolites such as LUT and ZEA will further improve the bioavailability of BC from maize hybrids. PMID- 29215109 TI - Giant negative magnetoresistance in Ni(quinoline-8-selenoate)2. AB - The magnetic, structural, conductivity and magnetoresistance properties of [Ni(quinoline-8-selenoate)2] ([Ni(qs)2]) have been studied. Despite the insolubility of the material necessitating its study as a powdered sample, a remarkably high conductivity has been measured. The conductivity is an order of magnitude greater than the thin-film processable thiol analogue previously reported and has been interpreted through the same space-charge limited conduction mechanism with charges injected from the electrodes. The introduction of selenium, results in a material with conductivity approaching metallic due to the enhanced interaction between adjacent molecules. Additionally, under an applied magnetic field, the material displays a negative magnetoresistance effect above 35% at 2 K. The effect can still be observed at 200 K and is interpreted in terms of a double-exchange mechanism. PMID- 29215110 TI - Quercetin inhibits renal cyst growth in vitro and via parenteral injection in a polycystic kidney disease mouse model. AB - Autosomal dominant polycystic kidney disease (ADPKD) is a common monogenic disease characterized by massive enlargement of fluid-filled cysts in the kidney. There is an urgent need to develop effective ADPKD therapies. We used an in vitro Madin-Darby canine kidney (MDCK) cyst model and a murine embryonic kidney cyst model to evaluate whether quercetin inhibits cyst development. We then used a polycystic kidney disease (PKD) mouse model to further determine the in vivo effects of quercetin (100 mg per kg body weight twice per day) on PKD mice via subcutaneous injections. The results show that quercetin significantly and dose dependently inhibited cyst formation and enlargement in the MDCK cyst and embryonic kidney cyst models. Quercetin also noticeably reduced the cystic index in PKD mice. Furthermore, the effective dose of quercetin did not cause cytotoxicity in MDCK cells. Quercetin treatment decreased the levels of intracellular signalling proteins in PKD mouse kidneys, including phosphorylated protein kinase B (also known as AKT) and phosphorylated extracellular signal regulated kinase (ERK), which are upregulated and promote cyst development in ADPKD. Quercetin also reversed E-cadherin expression, which is localized in normal proximal tubules in PKD mouse kidneys. Taken together, these results demonstrate that quercetin hinders renal cyst development in vivo and in vitro and represents a novel candidate strategy for the treatment of ADPKD. PMID- 29215111 TI - Heteronuclear cobalt(iii)/sodium complexes with salen type compartmental Schiff base ligands: methylene spacer regulated variation in nuclearity. AB - Three heteronuclear cobalt(iii)/sodium Schiff base complexes have been synthesized and characterized by elemental and spectral analysis. The structures of all three complexes have been confirmed by single crystal X-ray analyses. Each of these three complexes crystallizes in monoclinic space group P21/c. In each complex, cobalt(iii) is placed in the inner N2O2 compartment and sodium is placed in the outer O2O'2 compartment (O and O' denote the phenolic and ethoxy/methoxy oxygen atoms, respectively) of the Schiff bases. With decrease in steric hindrance around the O2O'2 compartment by the replacement of ethyl groups with methyl groups, tetranuclear complexes resulted instead of dinuclear ones. Interesting carbon bonding interactions in the solid state of the complexes have been studied by means of DFT calculations using several computational tools such as "atoms-in-molecules" (AIM) and natural bond orbital (NBO) analyses. PMID- 29215112 TI - Ultrathin two-dimensional metals with fully exposed (111) facets. AB - Large-size ultrathin two-dimensional (2D) metals with a fully exposed (111) surface have been synthesized by a heat-pressing process. As a result of the compact (111) surface arrangement, an ultrathin Pt 5 nm 2D metal exhibits a superior methanol electro-oxidation performance than an as-sputtered Pt 5 nm thin film (1.8, 2.2 and 5.0 times higher specific activity under different scanning cycles). PMID- 29215113 TI - Li6Na3Sr14Al11P22O90: an oxo-centered Al3 cluster based phosphate constructed from two types of (3,6)-connected kgd layers. AB - A novel and thermally stable aluminum phosphate Li6Na3Sr14Al11P22O90 (1) has been achieved by using a solid-state molten method, which contains an oxo-centered trinuclear cluster and an anti-Lowenstein's rule Al-O-Al linkage and is constructed from two types of (3,6)-connected kgd layers [Al(Al3O)(PO4)7]25- and [Al(PO4)2]3-. The good optical transparency in the whole UV range and excellent thermal stability make the title compound a potential optical window material. PMID- 29215114 TI - Concentration-dependent binding of CdSe quantum dots on the SH3 domain. AB - Quantum dots (QDs) are being used increasingly in applications for solar panels, consumer electronics, and biomedical imaging. For biomedical applications, QDs are typically coated with a biocompatible molecule for the system of interest. Experiments have indicated a QD dose-dependent and surface coating-dependent toxicity, with a portion of the toxicity being ascribed to interference with biomolecules. In this work, the interaction of trioctylphosphine oxide (TOPO) coated (CdSe)13 QDs with the SRC homology 3 domain (SH3) protein domain are explored using molecular dynamics simulations. The results of this research agree well with experiments that show that at the lowest concentration, the QDs have little affinity for the native proline-rich motif (PRM) binding site of SH3. At higher concentrations, the QDs aggregate and increasingly prefer the PRM binding site, indicating that the normal SH3 function is impeded. This binding dependence is attributed to changes in the local density of the surface coated TOPO molecules upon aggregation. These results present possible interesting QD toxicity patterns and reveal the interdependence between dose and surface coating effects in QD toxicity. PMID- 29215115 TI - Perovskite photodetectors with both visible-infrared dual-mode response and super narrowband characteristics towards photo-communication encryption application. AB - Photo-communication has attracted great attention because of the rapid development of wireless information transmission technology. However, it is still a great challenge in cryptography communications, where it is greatly weakened by the openness of the light channels. Here, visible-infrared dual-mode narrowband perovskite photodetectors were fabricated and a new photo-communication encryption technique was proposed. For the first time, highly narrowband and two photon absorption (TPA) resultant photoresponses within a single photodetector are demonstrated. The full width at half maximum (FWHM) of the photoresponse is as narrow as 13.6 nm in the visible range, which is superior to state-of-the-art narrowband photodetectors. Furthermore, these two merits of narrowband and TPA characteristics are utilized to encrypt the photo-communication based on the above photodetectors. When sending information and noise signals with 532 and 442 nm laser light simultaneously, the perovskite photodetectors only receive the main information, while the commercial Si photodetector responds to both lights, losing the main information completely. The final data are determined by the secret key through the TPA process as preset. Such narrowband and TPA detection abilities endow the perovskite photodetectors with great potential in future security communication and also provide new opportunities and platforms for encryption techniques. PMID- 29215120 TI - Searching for avidity by chemical ligation of combinatorially self-assembled DNA encoded ligand libraries. AB - DNA encoded ligands are self-assembled into bivalent complexes and chemically ligated to link their identities. To demonstrate their potential as a combinatorial screening platform for avidity interactions, the optimal bivalent aptamer design (examplar ligands) for human alpha-thrombin is determined in a single round of selection and the DNA scaffold replaced with minimal impact on the final design. PMID- 29215121 TI - Stabilizing benzene-like planar N6 rings to form a single atomic honeycomb BeN3 sheet with high carrier mobility. AB - It is a longstanding quest to use the planar N6 ring as a structural unit to build stable atomic sheets. However, unlike C6H6, the neutral N6 ring is unstable due to the strong repulsion of the lone-pair of electrons. Using first-principles calculations and the global structure search method, we show that the N6 unit can be stabilized by the linkage of Be atoms, forming a h-BeN3 honeycomb monolayer, in which the geometry and the pi-molecular orbitals of the N6 rings are well kept. This sheet is not only energetically, dynamically and thermally stable, but also can withstand high temperatures up to 1000 K. Band structure calculation combined with a group theory analysis and a tight-binding model uncover that h BeN3 has a pi-band dominated band structure with an indirect band gap of 1.67 eV. While it possesses a direct band gap of 2.07 eV at the Gamma point lying in the photon energy region of visual light, its interband dipole transition is symmetrically allowed so that electrons can be excited by photons free of phonons. Based on deformation potential theory, a systematic study of the transport properties reveals that the h-BeN3 sheet possesses a high carrier mobility of ~103 cm2 V-1 s-1, superior to the extensively studied transition metal dichalcogenide monolayers. We further demonstrate that this sheet can be rolled up into either zigzag or armchair nanotubes. These nanotubes are also dynamically stable, and are all direct band gap semiconductors with carrier mobility comparable to that of their 2D counterparts, regardless of their chirality and diameter. The robust stability and novel electronic and transport properties of the h-BeN3 sheet and its tubular derivatives endow them with great potential for applications in nanoelectronic devices. PMID- 29215122 TI - Diarylmaleimide-based branched oligomers: strong full-color emission in both solution and solid films. AB - Maleimide and benzene are employed as a dendron and a core, respectively, to construct two series of non-conjugate branched oligomers (B3G1 and B1G2) based on diarylmaleimide fluorophores by an alkylation reaction. Surface aryl groups are changed to tune the emissive color of branched oligomers from blue (lambdaem = 480 nm) to red (lambdaem = 651 nm), realizing full-color emission. The investigation on the photophysical properties of the oligomers indicates that they display intense emission in both solution and solid films, due to the suppression of intramolecular rotation and intermolecular interaction. Molecular simulation and natural transition orbital analysis show that the electron transition takes place in the individual arylmaleimide for the non-conjugate linkage of fluorophores in branched oligomers. It can avoid the unpredictability of the luminescence properties caused by the interaction of fluorophores. In addition, the good solubility, thermostability and oxidative stability of the branched oligomers make them have huge potential in the solution-processable photonic application. These results demonstrate that such a design strategy of non-conjugate branched oligomers is a very efficient and constructive method to obtain high-performance light-emitting materials in both solution and solid films. PMID- 29215124 TI - Shear thinning in non-Brownian suspensions. AB - We study the flow of suspensions of non-Brownian particles dispersed into a Newtonian solvent. Combining capillary rheometry and conventional rheometry, we evidence a succession of two shear thinning regimes separated by a shear thickening one. Through X-ray radiography measurements, we show that during each of those regimes, the flow remains homogeneous and does not involve particle migration. Using a quartz-tuning fork based atomic force microscope, we measure the repulsive force profile and the microscopic friction coefficient MU between two particles immersed into the solvent, as a function of normal load. Coupling measurements from those three techniques, we propose that (1) the first shear thinning regime at low shear rates occurs for a lubricated rheology and can be interpreted as a decrease of the effective volume fraction under increasing particle pressures, due to short-ranged repulsive forces and (2) the second shear thinning regime after the shear-thickening transition occurs for a frictional rheology and can be interpreted as stemming from a decrease of the microscopic friction coefficient at large normal load. PMID- 29215125 TI - Large scale 2D/3D hybrids based on gallium nitride and transition metal dichalcogenides. AB - Two and three-dimensional (2D/3D) hybrid materials have the potential to advance communication and sensing technologies by enabling new or improved device functionality. To date, most 2D/3D hybrid devices utilize mechanical exfoliation or post-synthesis transfer, which can be fundamentally different from directly synthesized layers that are compatible with large scale industrial needs. Therefore, understanding the process/property relationship of synthetic heterostructures is priority for industrially relevant material architectures. Here we demonstrate the scalable synthesis of molybdenum disulfide (MoS2) and tungsten diselenide (WSe2) via metal organic chemical vapor deposition (MOCVD) on gallium nitride (GaN), and elucidate the structure, chemistry, and vertical transport properties of the 2D/3D hybrid. We find that the 2D layer thickness and transition metal dichalcogenide (TMD) choice plays an important role in the transport properties of the hybrid structure, where monolayer TMDs exhibit direct tunneling through the layer, while transport in few layer TMDs on GaN is dominated by p-n diode behavior and varies with the 2D/3D hybrid structure. Kelvin probe force microscopy (KPFM), low energy electron microscopy (LEEM) and X ray photoelectron spectroscopy (XPS) reveal a strong intrinsic dipole and charge transfer between n-MoS2 and p-GaN, leading to a degraded interface and high p type leakage current. Finally, we demonstrate integration of heterogeneous 2D layer stacks of MoS2/WSe2 on GaN with atomically sharp interface. Monolayer MoS2/WSe2/n-GaN stacks lead to near Ohmic transport due to the tunneling and non degenerated doping, while few layer stacking is Schottky barrier dominated. PMID- 29215126 TI - Can the Local Health Unit staff serve as role model for positive health behaviours? Results from an observational study in Italy. AB - BACKGROUND: Lifestyles as well as health behaviors and attitudes are a matter of personal health and a public health concern for healthcare providers. The aims of the study were to examine lifestyles and health behaviors - i.e., smoking habit, diet, predisposition to undergo for cancer screening tests among the staff of a Local Health Unit in Rome and the prevalence of some of the major preventable chronic degenerative pathologies associated to lifestyles. METHODS: The survey was carried out through the administration of a questionnaire. Descriptive and univariate analyses were performed and binary logistic regression models were used to identify possible associations with an unhealthy lifestyles. Hosmer Lemeshow test was performed. The level of significance was set at p <= 0.05. RESULTS: 355 employees entered the study (87,8%); 43.4% resulted in overweight/obesity and 36.6% is a current smoker. Those with a high degree of studies had an higher odds to be smokers (for low education OR=0.76; 95% CI:0,61 0.94) and healthcare workers were less likely to follow an unhealthy diet than administrative staff (OR=0.52; 95% CI: 0.29-0.91). CONCLUSION: Despite the Local Health Unit employees have, in the specific context of their workplace, an important role in promoting healthy lifestyles, in our survey they show unhealthy habits and lifestyles. PMID- 29215128 TI - Developing a subset of ICNP nursing diagnoses for medical and surgical hospital settings, informed by an Italian nursing conceptual model: a multicenter cross sectional study. AB - BACKGROUND: The International Classification for Nursing Practice (ICNP) is designed to facilitate the expression of nursing diagnoses, interventions and outcomes. The development of the ICNP subsets may support nurses by providing appropriate terms for documenting nursing care. This project aimed to develop a subset of ICNP nursing diagnoses oriented by an Italian Nursing Conceptual Model (MPI) to describe nursing clinical data in medical and surgical acute hospital wards. STUDY DESIGN: A subset of ICNP nursing diagnoses was developed based on a literature review and on an expert consensus. A cross-sectional study was conducted in three Northern Italian hospitals to empirically test the subset in target settings. METHODS: In accordance with the guidelines adopted by the International Council of Nursing, the study followed the process for developing an ICNP subset. Twelve expert nurses from clinical settings and nursing education in surgical and medical care participated in a Delphi method to further validate the subset. A cross-mapping process has been implemented and the prevalence of diagnoses was described. Data were collected from healthcare documentation of admitted patients, including, retrospectively, nursing clinical data from the patients' admission date to the time of data collection. RESULTS: Documentation from 476 admitted patients was analysed: 228 were from surgical and 248 from medical wards. 24,142 nursing diagnoses were detected consulting retrospectively each documentation. A total number of 21,401 nursing diagnoses (88%) were fully mapped by the ICNP subset. CONCLUSION: Results showed a high capability of ICNP terminology to describe nursing care in acute medical and surgical areas in Italian hospitals. The identified subset of ICNP diagnoses could be a valuable way to support a computerized documentation system for hospitals using MPI and ICNP. Results could be used to start revising nursing education programs in order to introduce this nursing standardized terminology combining it with the nursing conceptual model in use. PMID- 29215127 TI - Midwives in England and in Italy: two realities compared. AB - BACKGROUND: Midwives have the responsibility to provide assistance to pregnant women for non-complicated deliveries. The aim of this study was to identify the distinctive features of midwives in Italy and in England in order to provide interesting comparisons. METHODS: From September to October 2015 we administered an online questionnaire to groups of Italian and English midwives. The questionnaire was composed by a part trying to collect the sociodemographic information and a second part to define the attitudes of care and the type of approach to birth and degree of attained professional autonomy. The questions were used to create a score for 5 macro areas: "Midwifery: who is the midwife?", "Education: how much does the midwife know?", "Responsibility: what does the midwife do?", "Ethics: how does the midwife act?", "Social acknowledgment: the midwife and the other people". Results were loaded in a database and analyzed using the using STATA. RESULTS: 183 Midwives (100 Italian and 83 English) completed the questionnaire. 92% of Italian respondents said to have a "Bachelor", 6% a "University Diploma" and only 2% a "Diploma". 80% of British midwives had a "Midwifery Degree" and 8% attended a "Midwifery Short Program", a degree course in Nursing with an additional specialization of a year and a half in Midwifery. 34% of the Italian claimed to have also a "1st level Master", 16% a "Full Degree" and the remaining 50% attended post degree training courses. Only 23% of the English sample had a "Master of Science" and the remaining 67% reported to have "other" general qualifications. 72% of Italian midwives declared to work and, in particular, in a "III level point of birth" (35%), "II level point of birth" (25%), "I level point of birth" (17%), or in "private health facilities" (4%), in "professional offices" (6%) or "counseling ambulatories" (5%). 46% of the English midwives who participated in the study worked in hospitals; 21% as employees of the NHS in territorial structures. 12% worked in birth centers and 11% had a private profession. There was a statistically significant difference between Italian and English Midwives, for all the macro areas (except for the first), with better results for English Midwives. CONCLUSION: English Midwives tend to consider their professional role and their professional skills more acknowledged and appreciated than Italian Midwives. Actually Italians tend to be not very satisfied. However, the Midwives of both countries feel very close to women and have the same conception of themselves and of their profession. PMID- 29215129 TI - The aquifer recharge: an overview of the legislative and planning aspect. AB - In most regions of the world, safeguarding groundwater resources is a serious issue, particularly in coastal areas where groundwater is the main water source for drinking, irrigation and industry. Water availability depends on climate, topography and geology. The aim of this paper is to evaluate aquifer recharge as a possible strategy to relieve water resource scarcity. Natural aquifer recharge is defined as the downward flow of water reaching the water table, increasing the groundwater reservoir. Hydro-meteorological factors (rainfall, evapotranspiration and runoff) may alter natural recharge processes. Artificial aquifer recharge is a process by which surface water is introduced with artificial systems underground to fill an aquifer. As a consequence of global warming that has increased the frequency and severity of natural disasters like the drought, the impacts of climate change and seasonality, the artificial recharge has been considered as a viable option. Different direct and indirect techniques can be used, and the choice depends on the hydrologic characteristics of a specific area. In Italy, Legislative Decree no. 152/06 plans artificial aquifer recharge as an additional measure in water management, and Decree no. 100/2016 establishes quantitative and qualitative conditions for recharge. Many projects examine aquifer recharge, such us WADIS-MAR in the southern Mediterranean region, WARBO in Italy and municipal wastewater treatment project in Apulia, a southern Italian region. However, aside from groundwater recharge, the community must foster a spirit of cooperation to manage groundwater as a sustainable resource. PMID- 29215130 TI - Use of anticoagulant rodenticides in outdoor urban areas: considerations and proposals for the protection of public health and non-target species. AB - Rodent control operations represent an important tool for the prevention and management of infestations, in outdoor environments, by synanthropic rodents (Rattus rattus and R. norvegicus), which are a source of economic and environmental damage with significant sanitary implications. Although the use of anticoagulants is safer to humans and pets compared to the use of acute poisoning substances, an intrinsic hazard of the active ingredients exists, i.e. the possible poisoning of non-target organisms (e.g., children, pets and wildlife) following exposure. The risks arising from the use of anticoagulants for rodent control operations in anthropic contexts can therefore only be mitigated by a proper selection of the active ingredient, bait formulation and administration techniques, since an active ingredient with selective action towards non-target species does not currently exist on the market. This document lists practical proposals aimed at reducing the possibility of toxic exposure to anticoagulant rodenticides and mitigate the toxicological risk of human baits and non-target species. PMID- 29215131 TI - Prevalence of overweight and obesity in an Italian Prison and relation with average term of detention: a pilot study. AB - INTRODUCTION: Obesity and overweight are universally recognized as risk factors for cardiovascular disease, stroke and other chronic diseases. The few studies of overweight and obesity in inmate populations suggest that the prevalence of obesity in an institution is associated with the prevalence of the region. The goal of the study is to describe the prevalence of overweight and obesity in a sample of prisoners. METHODS: In a sample of prisoners of Busto Arsizio prison, weight and height were measured with standard method., Once collected information about nationality, age and duration of detention, we proceeded to calculate BMI and the prevalence of overweight and obesity. RESULTS: The subjects enrolled were 142, all males, aged 19-66 years, with a holding period of between 30 days and two years. From the survey, the total of obese or overweight subjects was 66.9%. In the comparison between Italian and Foreign prisoners, the latter showed the highest weight gain. The analysis of the correlation between increased BMI and length of detention has not shown a statistical association during detention, but it could depend on the number of inmates enrolled. CONCLUSION: The prevalence of obesity and overweight among inmates (66.9%) was higher than the Italian general population (54.8%, adult males, ISTAT, 2015). The decreasing physical activity typical of the detention, the psycho-physical discomfort (incarceration trauma) and the prison meals could have had a significant importance in increasing weight. Desirable therefore more investigations (calculation of caloric needs, ethnic and religious diets, eating disorders) in order to establish appropriate preventive interventions. PMID- 29215132 TI - May car washing represent a risk for Legionella infection? AB - BACKGROUND: Legionella is a ubiquitous Gram-negative bacterium naturally found in aquatic environments. It can pose a health problem when it grows and spreads in man-made water systems. Legionella pneumophila is the most common cause of Legionnaires' disease nowadays, a community-acquired pneumonia with pulmonary symptoms and chest radiography no different from any other form of infectious pneumonia. Legionella monitoring is important for public health reasons, including the identification of unusual environmental sources of Legionella. METHODS: We report two cases of Legionnaires' disease associated with two different car wash installations in the province of Vicenza, in the Veneto region, northeastern Italy. Patients were not employees of the car wash installations, but users of the service. In both cases, Legionella antigen was detected in urine using the Alere BinaxNOW(r) Legionella Urinary Antigen, and Legionella antibodies were detected in serum using SERION ELISA classic Legionella pneumophila 1-7 IgG and IgM. Water samples were also analyzed as part of the surveillance program for Legionella prevention and control in compliance with the Italian guidelines. RESULTS: Both patients had clinical symptoms and chest radiography compatible with pneumonia, and only one of them had diabetes as a risk factor. Legionella urinary antigen and serological test on serum samples were positive for Legionella in both patients, even if much slighter in the case A due to the retrospective serological investigation performed a year later the episode and after the second clinical case occurred in the same district. The environmental investigations highlighted two different car wash plants as potential source of infection. A certified company using shock hyperchlorination was asked to disinfect the two plants and, subsequently, control samples resulted negative for Legionella pneumophila. CONCLUSION: Any water source producing aerosols should be considered at risk for the transmission of Legionella bacteria, including car wash installations frequently used by a large number of customers and where poor maintenance probably creates favorable conditions for Legionella overgrowth and spreading. Additional research is needed to ascertain optimal strategies for Legionella monitoring and control, but environmental surveillance, paying careful attention to possible unconventional sources, should remain an important component of any Legionnaires' disease prevention program. Additionally, all available diagnostic methods would be recommended for the confirmation of all cases even in the event of non-serogroup 1 Legionella pneumophila infection, probably underestimated at this time. PMID- 29215133 TI - A five year retrospective study on Syphilis in the Sexual Transmitted Disease Centre (STDC) of the teaching Hospital Umberto I in Rome. AB - OBJECTIVES: A retrospective study describing syphilis epidemiological and clinical features in patients referring to an infectious diseases centre in Rome, Italy. METHODS: Between January 2011 and December 2015 demographic, behavioral and clinical data were collected from all adult patients attending the Sexually Transmitted Diseases Centre of the Teaching Hospital Umberto I in Rome. RESULTS: Overall 723 patients, 495 males and 228 females, with syphilis infection diagnosis were included. Average age 39.6 +/- 13.6 years (median 38) was higher in men than women (41.1 +/- 13.6 vs. 36.3 +/- 13.1; p<0.001). Patients were from Italy (486 or 67.2%), EU (90 or 12.4%), rest of Europe (38 or 5.3 %), Americas (46 or 6.4%), Africa (36 or 5.0%) and Asia (27 or 3.7%). One-hundred-twenty-three (17.0%) presented primary syphilis, 43 (5.9%) secondary syphilis, 8 (1.1%) tertiary syphilis, 246 (34.0%) serological syphilis, 80 (11.1%) preceding syphilis, 56 (7.7%) gravidic syphilis and 167 (23.1%) came to the Sexually Transmitted Diseases Centre to control a preceding syphilis treatment. Fifty-six (24.6%) women were diagnosed with syphilis during their pregnancies. Among Chinese female patients, those pregnant represented 87.5%. There were 100 subjects (13.8%) simultaneously HIV+ and 623 (86.2%) HIV- patients. HIV co infection affected more frequently men (RR 5.30; CI 2.62 - 10.72; p<0.001). In males HIV co-infection affected more frequently homosexuals (RR 11.72; CI 6.72 - 20.45; p<0.001). Overall HIV co-infection affected more frequently foreign patients, specially from the Americas (26.1%), Africa (25.7%) and Asia (22.2%). CONCLUSION: A serious problem of "gravidic syphilis" suggests the need for Public Health preventive action. Also an early diagnosis of both syphilis and HIV infection should be reinforced. PMID- 29215134 TI - Malaria chemoprophylaxis' compliance in travelers. PMID- 29215135 TI - "Five-A-Day" and the Med-Food Anticancer Program. PMID- 29215136 TI - Spontaneous intracerebral hemorrhage as presentation of atypical central neurocytoma: the role of angiogenesis through the characterization of tumor endothelial cells. AB - A 36-year-old white man presented with sudden-onset headache and rapid deterioration of consciousness. Computer tomography revealed a right capsular intra-parenchimal hemorrhage with an intraventricular component; therefore, emergency surgery was performed. Once the hematoma was evacuated, the cause of the hemorrhage was identified as a tumor mass and it was resected. Histopathological and immunohistochemical examinations of the surgical specimen disclosed a diagnosis of atypical central neurocytoma. By using a protocol recently set up in our laboratory, we succeeded in isolating and propagating, for the first time, human endothelial cells from central neurocytoma (CN-ECs). Different analyses revealed that isolated CN-ECs consist of a pure endothelial cell population, with the expression of endothelial markers (CD31, CD309/VEGFR2, CD105, eNOS) and with angiogenic properties, such as the uptake of LDL. Moreover, CN-ECs spontaneously organize in a vascular-like structure. The goal of this case report is to stress the need for further studies focused on understanding the causes of the onset of an intra-parenchimal hemorrhage in the presence of an atypical central neurocytoma in order to tailor treatments to each single patient and achieve the best clinical outcome. PMID- 29215137 TI - Frequency and phase correction for multiplexed edited MRS of GABA and glutathione. AB - PURPOSE: Detection of endogenous metabolites using multiplexed editing substantially improves the efficiency of edited magnetic resonance spectroscopy. Multiplexed editing (i.e., performing more than one edited experiment in a single acquisition) requires a tailored, robust approach for correction of frequency and phase offsets. Here, a novel method for frequency and phase correction (FPC) based on spectral registration is presented and compared against previously presented approaches. METHODS: One simulated dataset and 40 gamma-aminobutyric acid-/glutathione-edited HERMES datasets acquired in vivo at three imaging centers were used to test four FPC approaches: no correction; spectral registration; spectral registration with post hoc choline-creatine alignment; and multistep FPC. The performance of each routine for the simulated dataset was assessed by comparing the estimated frequency/phase offsets against the known values, whereas the performance for the in vivo data was assessed quantitatively by calculation of an alignment quality metric based on choline subtraction artifacts. RESULTS: The multistep FPC approach returned corrections that were closest to the true values for the simulated dataset. Alignment quality scores were on average worst for no correction, and best for multistep FPC in both the gamma-aminobutyric acid- and glutathione-edited spectra in the in vivo data. CONCLUSIONS: Multistep FPC results in improved correction of frequency/phase errors in multiplexed gamma-aminobutyric acid-/glutathione-edited magnetic resonance spectroscopy experiments. The optimal FPC strategy is experiment specific, and may even be dataset-specific. Magn Reson Med 80:21-28, 2018. (c) 2017 International Society for Magnetic Resonance in Medicine. PMID- 29215138 TI - Premenstrual syndrome and premenstrual dysphoric disorders among Jordanian women. AB - PURPOSE: The aim of this study was to investigate the frequency, associated factors, and management approaches of premenstrual dysphoric disorder (PMDD) and premenstrual syndrome (PMS) in Jordanian women. DESIGN AND METHODS: Three hundred premenopausal women completed a self-administered questionnaire. FINDINGS: Moderate-severe PMS was reported by 29% of women, while 14% had PMDD. Younger unmarried women had the more severe condition. Herbal remedies and no medication were the most common approaches used to manage PMS/PMDD. IMPLICATIONS FOR NURSING PRACTICE: High rates of PMS and PMDD found in this study highlight the need to increase awareness to this condition among health providers in order to facilitate its identification, diagnosis, and management. PMID- 29215139 TI - A Novel and Selective Nociceptin Receptor (NOP) Agonist (1-(1-((cis)-4 isopropylcyclohexyl)piperidin-4-yl)-1H-indol-2-yl)methanol (AT-312) Decreases Acquisition of Ethanol-Induced Conditioned Place Preference in Mice. AB - BACKGROUND: Nociceptin/orphanin FQ, the endogenous peptide agonist for the opioid receptor-like receptor (also known as NOP or the nociceptin receptor), has been shown to block the acquisition and expression of ethanol (EtOH)-induced conditioned place preference (CPP). Here, we report the characterization of a novel small-molecule NOP ligand AT-312 (1-(1-((cis)-4 isopropylcyclohexyl)piperidin-4-yl)-1H-indol-2-yl)methanol) in receptor binding and GTPgammaS functional assays in vitro. We then investigated the effect of AT 312 on the rewarding action of EtOH in mice using the CPP paradigm. Further, using mice lacking the NOP receptor and their wild-type controls, we also examined the involvement of NOP in the effect of AT-312. Motivational effects of AT-312 alone were also assessed in the CPP paradigm. METHODS: Female mice lacking NOP and/or their wild-type controls received conditioning in the presence or absence of the NOP agonist [AT-312 (1, 3, and 10 mg/kg) or the control NOP agonist SCH221510 (10 mg/kg)] followed by saline/EtOH for 3 consecutive days (twice daily) and tested for CPP in a drug-free state on the next day. RESULTS: Our in vitro data showed that AT-312 is a high-affinity, selective NOP full agonist with 17-fold selectivity over the mu opioid receptor and >200-fold selectivity over the kappa opioid receptor. The results of our in vivo studies showed that AT-312 reduced EtOH CPP at the lowest dose (1 mg/kg) tested but completely abolished EtOH CPP at higher doses (3 or 10 mg/kg) compared to their vehicle-treated control group. AT-312 (3 mg/kg) did not alter EtOH-induced CPP in mice lacking NOP, confirming that AT-312 reduced EtOH CPP through its action at the NOP receptor. AT-312 (3 mg/kg) did not induce reward or aversion when administered alone, showing that the novel small-molecule NOP agonist shows efficacy in blocking EtOH-induced CPP via the NOP receptor. CONCLUSIONS: Together, these data suggest that small-molecule NOP agonists have the potential to reduce alcohol reward and may be promising as medications to treat alcohol addiction. PMID- 29215140 TI - Change of the structure and the digestibility of myofibrillar proteins in Nanjing dry-cured duck during processing. AB - BACKGROUND: To investigate the change of bioavailability and structure of myofibrillar proteins during Nanjing dry-cured duck processing, carbonyl content, sulfhydryl (SH) group, disulfide (S?S) group, sodium dodecyl sulfate polyacrylamide gel electrophoresis, surface hydrophobicity, secondary structures and in vitro digestibility were determined. RESULTS: During processing, carbonyl content and surface hydrophobicity increased; SH turned into S?S group; alpha helix turned into beta-sheet and random coil fractions. Protein degradation occurred during dry-curing and drying-ripening stages. The in vitro digestibility of pepsin and pancreatic proteases increased during the salt curing stage and decreased during the drying-ripening stage. CONCLUSION: The increase of digestibility could be attributed to the mild oxidation, degradation and unfolding of proteins while the decrease of digestibility was related to the intensive oxidation and aggregation of proteins. Protein degradation was not a main factor of digestibility during the drying-ripening stage. Results demonstrated that the bioavailability loss of myofibrillar proteins in Nanjing dry-cured duck occurred during the stage of drying-ripening instead of curing. (c) 2017 Society of Chemical Industry. PMID- 29215141 TI - Highly Efficient Gating of Electrically Actuated Nanochannels for Pulsatile Drug Delivery Stemming from a Reversible Wettability Switch. AB - Many ion channels in the cell membrane are believed to function as gates that control the water and ion flow through the transitions between an inherent hydrophobic state and a stimuli-induced hydration state. The construction of nanofluidic gating systems with high gating efficiency and reversibility is inspired by this hydrophobic gating behavior. A kind of electrically actuated nanochannel is developed by integrating a polypyrrole (PPy) micro/nanoporous film doped with perfluorooctanesulfonate ions onto an anodic aluminum oxide nanoporous membrane. Stemming from the reversible wettability switch of the doped PPy film in response to the applied redox potentials, the nanochannels exhibit highly efficient and reversible gating behaviors. The optimized gating ratio is over 105 , which is an ultrahigh value when compared with that of the existing reversibly gated nanochannels with comparable pore diameters. Furthermore, the gating behavior of the electrically actuated nanochannels shows excellent repeatability and stability. Based on this highly efficient and reversible gating function, the electrically actuated nanochannels are further applied for drug delivery, which achieves the pulsatile release of two water-soluble drug models. The electrically actuated nanochannels may find potential applications in accurate and on-demand drug therapy. PMID- 29215142 TI - Cortical thickness, resting state heart rate, and heart rate variability in female adolescents. AB - Resting state heart rate variability (HRV) is a psychophysiological marker that has gained increasing research interest, in particular in developmental neuroscience. HRV has been shown to be associated with mental and physical health, beyond simple measures of heart rate (HR) and shows inter- and intraindividual variance across aging. Recently, three studies reported on a positive correlation between resting state HRV and cortical thickness in selected regions of interest (ROIs) in adult samples. Structural thickness, HRV, and HR change during the sensitive period of adolescence. Previously, no study has addressed the structural concomitants of resting HR and HRV in adolescents. Cortical thickness (3-T MRI), HR, and HRV were recorded in 20 healthy, female adolescents (mean age: 15.92 years; SD = 1.06; range: 14-17). In line with existing research in adults, cortical thickness in a number of ROIs was associated with resting state HRV but not HR. The comparison of regression analyses using the Bayes factor revealed evidence for a correlation between HRV and cortical thickness of the bilateral rostral anterior cingulate cortex. However, unlike in adults, greater cortical thickness was associated with reduced HRV in female adolescents. Analyses on HR showed no superior model fit. Results suggest that greater HRV might be beneficial for cortical development during adolescence (cortical thinning). On the other hand, cortical development might determine changes in autonomic nervous system function in adolescents. Future studies are needed to replicate these findings in larger samples including boys and to test these hypotheses in longitudinal designs. PMID- 29215143 TI - Generalized pustular psoriasis in a 92-year-old man with a homozygous nonsense mutation in IL36RN. AB - A 92-year-old man developed an erythematous eruption on the trunk and extremities with numerous pustules accompanied by fever. He had never experienced pustular eruption or been diagnosed with psoriasis previously. Skin biopsy revealed Kogoj's spongiform pustule, and he was diagnosed with generalized pustular psoriasis (GPP). Genomic DNA was extracted from his peripheral blood and the sequence of IL36RN gene was analyzed, which revealed a p.Arg10X homozygous mutation. Several cases of elderly-onset GPP have been reported, however, this is the oldest case of GPP. The existence of splice variants of IL36RN was suspected, but we could not detect any splice variants of IL36RN in this case or in a healthy control from peripheral blood samples. PMID- 29215144 TI - Physiological coherence in healthy volunteers during laboratory-induced stress and controlled breathing. AB - Physiological coherence has been related with a general sense of well-being and improvements in health and physical, social, and cognitive performance. The aim of this study was to evaluate the relationship between acute stress, controlled breathing, and physiological coherence, and the degree of body systems synchronization during a coherence-generation exercise. Thirty-four university employees were evaluated during a 20-min test consisting of four stages of 5-min duration each, during which basal measurements were obtained (Stage 1), acute stress was induced using validated mental stressors (Stroop test and mental arithmetic task, during Stage 2 and 3, respectively), and coherence states were generated using a controlled breathing technique (Stage 4). Physiological coherence and cardiorespiratory synchronization were assessed during each stage from heart rate variability, pulse transit time, and respiration. Coherence measurements derived from the three analyzed variables increased during controlled respiration. Moreover, signals synchronized during the controlled breathing stage, implying a cardiorespiratory synchronization was achieved by most participants. Hence, physiological coherence and cardiopulmonary synchronization, which could lead to improvements in health and better life quality, can be achieved using slow, controlled breathing exercises. Meanwhile, coherence measured during basal state and stressful situations did not show relevant differences using heart rate variability and pulse transit time. More studies are needed to evaluate the ability of coherence ratio to reflect acute stress. PMID- 29215145 TI - Successful treatment of iatrogenic Kaposi's sarcoma with low-dose docetaxel therapy. PMID- 29215146 TI - Case of thymoma-associated cutaneous graft-versus-host disease-like disease successfully improved by narrowband ultraviolet B phototherapy. AB - Thymoma-associated graft-versus-host disease (GVHD)-like disease is a rare paraneoplastic disease seen in patients with thymoma. Here, we describe the first case of thymoma-associated GVHD-like disease localized to the skin that was successfully improved by a combination of systemic corticosteroids and whole-body narrowband ultraviolet (UV)-B phototherapy. The patient had developed toxic epidermal necrolysis-like erosive skin lesions over the whole body. Although systemic corticosteroids were effective up to a point, we were unable to begin the steroid taper. The addition of systemic narrowband UV-B phototherapy improved the skin manifestation of this disease, allowing corticosteroids to be reduced to a third of the original dose. Histopathologically, it was confirmed that the proportion of Foxp3-positive lymphocytes in the skin increased after narrowband UV-B irradiation. We propose that whole-body narrowband UV-B phototherapy is a good therapeutic option for the skin manifestation of thymoma-associated GVHD like disease. PMID- 29215147 TI - Case of generalized morphea with the manifestation of diffuse systemic cutaneous sclerosis without sclerodactyly. PMID- 29215148 TI - 31 P T2 s of phosphomonoesters, phosphodiesters, and inorganic phosphate in the human brain at 7T. AB - PURPOSE: To determine the phosphorus-31 T2 s of phosphomonoesters, phosphodiesters, and inorganic phosphate in the healthy human brain at 7T. METHODS: A 3D chemical shift imaging multi-echo sequence with composite block pulses for refocusing was used to measure one free induction decay (FID) and seven full echoes with an echo spacing of 45 ms on the brain of nine healthy volunteers (age range 22-45 years; average age 27 +/- 8 years). Spectral fitting was used to determine the change in metabolic signal amplitude with echo time. RESULTS: The average apparent T2 s with their standard deviation were 202 +/- 6 ms, 129 +/- 6 ms, 86 +/- 2 ms, 214 +/- 10 ms, and 213 +/- 11 ms for phosphoethanolamine, phosphocholine, inorganic phosphate, glycerophosphoethanolamine, and glycerophosphocholine, respectively. CONCLUSION: The determined apparent T2 for phosphoethanolamine, glycerophosphocholine, and glycerophosphoethanolamine is approximately 200 ms. The lower apparent T2 value for phosphocholine is attributed to the overlap of this resonance with the 3 phosphorous resonance of 2,3-diphosphoglycerate from blood, with an apparent shorter T2 . Omitting the FID signal and the first echo of phosphocholine leads to a T2 of 182 +/- 7 ms, whereas a biexponential analysis leads to 203 +/- 4 ms. These values are more in line with phosphoethanolamine and the phosphodiesters. The short T2 of inorganic phosphate is subscribed to the fast reversible exchange with gamma-adenosine triphosphate, which is mediated by glyceraldehyde-3 phosphate dehydrogenase and phosphoglycerate kinase within the glycolytic pathway. Magn Reson Med 80:29-35, 2018. (c) 2017 The Authors Magnetic Resonance in Medicine published by Wiley Periodicals, Inc. on behalf of International Society for Magnetic Resonance in Medicine. This is an open access article under the terms of the Creative Commons Attribution NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. PMID- 29215149 TI - Pregnancy outcomes in women on metformin for diabetes or other indications among those seeking teratology information services. AB - AIMS: Metformin is used to treat type 2 diabetes, polycystic ovary syndrome associated infertility, and gestational diabetes. This study aims to evaluate the safety of metformin in early pregnancy. METHOD: We evaluated the risk of major birth defects and pregnancy losses in a cohort of pregnant women exposed to metformin during the first trimester for different indications relative to a matched unexposed reference group. RESULTS: The risk of major birth defects was 5.1% (20/392) in pregnancies exposed to metformin during the first trimester and 2.1% (9/431) in the reference group [adjusted odds ratio (OR) 1.70; 95% CI 0.70 4.38]. Among metformin users, this risk was 7.8% (17/219) in patients with pre gestational diabetes and 1.7% (3/173) in those without this diagnosis. Compared to the unexposed reference, the OR for metformin user with diabetes was 3.95 (95% CI 1.77-9.41) and for metformin with other indications it was 0.83 (95% CI 0.18 2.81). The risk of pregnancy losses (spontaneous abortions and stillbirths) was 20.8% in women on metformin during the first trimester and 10.8% in the reference group [adjusted hazard ratio (HR) 1.57; 95% CI 0.90-2.74]. The risks for women on metformin with and without pre-gestational diabetes were 24.0% and 16.8% respectively, with adjusted HR of 2.51 (95% CI 1.44-4.36) and 1.38 (95% CI 0.74 2.59) when compared to the reference. CONCLUSION: Pregnant women with pre gestational diabetes on metformin are at a higher risk for adverse pregnancy outcomes than the general population. This appears to be due to the underlying diabetes since women on metformin for other indications do not present meaningfully increased risks. PMID- 29215150 TI - MRI monitoring of focused ultrasound sonications near metallic hardware. AB - PURPOSE: To explore the temperature-induced signal change in two-dimensional multi-spectral imaging (2DMSI) for fast thermometry near metallic hardware to enable MR-guided focused ultrasound surgery (MRgFUS) in patients with implanted metallic hardware. METHOD: 2DMSI was optimized for temperature sensitivity and applied to monitor focus ultrasound surgery (FUS) sonications near metallic hardware in phantoms and ex vivo porcine muscle tissue. Further, we evaluated its temperature sensitivity for in vivo muscle in patients without metallic hardware. In addition, we performed a comparison of temperature sensitivity between 2DMSI and conventional proton-resonance-frequency-shift (PRFS) thermometry at different distances from metal devices and different signal-to-noise ratios (SNR). RESULTS: 2DMSI thermometry enabled visualization of short ultrasound sonications near metallic hardware. Calibration using in vivo muscle yielded a constant temperature sensitivity for temperatures below 43 degrees C. For an off resonance coverage of +/- 6 kHz, we achieved a temperature sensitivity of 1.45%/K, resulting in a minimum detectable temperature change of ~2.5 K for an SNR of 100 with a temporal resolution of 6 s per frame. CONCLUSION: The proposed 2DMSI thermometry has the potential to allow MR-guided FUS treatments of patients with metallic hardware and therefore expand its reach to a larger patient population. Magn Reson Med 80:259-271, 2018. (c) 2017 International Society for Magnetic Resonance in Medicine. PMID- 29215151 TI - Brain connectivity in children is increased by the time they spend reading books and decreased by the length of exposure to screen-based media. AB - AIM: This study compared the time spent using screen-based media or reading on the functional connectivity of the reading-related brain regions in children aged 8-12. METHODS: We recruited 19 healthy American children from a private school in Cincinnati, USA, in 2015-6 after advertising the study to parents. The parents completed surveys on how many hours their children spent on independent reading and screen-based media time, including smartphones, tablets, desktop or laptop computers and television. The children underwent magnetic resonance imaging that assessed their resting-state connectivity between the left visual word form area, as the seed area, and other brain regions, with screen time and reading time applied as predictors. RESULTS: Time spent reading was positively correlated with higher functional connectivity between the seed area and left-sided language, visual and cognitive control regions. In contrast, screen time was related to lower connectivity between the seed area and regions related to language and cognitive control. CONCLUSION: Screen time and time spent reading showed different effects on functional connectivity between the visual word form area and language, visual and cognitive control regions of the brain. These findings underscore the importance of children reading to support healthy brain development and literacy and limiting screen time. PMID- 29215152 TI - Subcutaneous phaeohyphomycosis caused by Veronaea botryosa in a Japanese patient with adult T-cell lymphoma. PMID- 29215153 TI - The role of municipal public policies in oral health socioeconomic inequalities in Brazil: A multilevel study. AB - OBJECTIVES: It is known that fluoridation has a contextual effect on oral health socioeconomic inequalities, but broad public policies have not been investigated. Thus, the aim of this study was to determine the effects of municipal public policies on oral health across different social strata. METHODS: This was a cross sectional study with 7328 12-year-old children and 5445 15-19-year-old adolescents from 177 Brazilian municipalities. Information at municipal level was collated for dental services, educational services, sanitation and water fluoridation. The main individual-level exposure was the disposable equivalent household income. The dichotomous outcomes were as follows: untreated dental caries (>=1 tooth), missing teeth (>=1 tooth) and filled teeth (>=1 tooth). Analyses were carried out using multilevel logistic regression. Interaction terms were tested between individual-level income and policy variables. RESULTS: The prevalence of untreated dental caries, missing and filled teeth was 47.0%, 15.1% and 47.5%, respectively. There was no significant interaction between income and policy indicators. Individuals living in municipalities with no water fluoridation had 1.42 (95% CI: 1.08-1.86) higher odds of having untreated dental caries; the odds ratio (OR) for those in municipalities with less education policies was 1.36 (95% CI: 1.07-1.73); those in municipalities with less sanitation had OR = 1.05 (95% CI: 0.78-1.40); and those in municipalities with less dental care had OR = 1.36 (95% CI: 1.02-1.80). CONCLUSIONS: Fluoridation and policies about sanitation, education and dental care were similarly associated with oral health in different social strata. Other policies on social and economic fields may be further explored. PMID- 29215154 TI - Analysis of factors predicting the response to tolvaptan in patients with liver cirrhosis and hepatic edema. AB - BACKGROUND AND AIM: This study aimed to clarify the factors predictive of treatment response to tolvaptan (V2-receptor antagonist) for cirrhotic patients with hepatic edema in a real-world setting. METHODS: In this retrospective, multicenter study, tolvaptan was orally administered at a dose of 7.5 mg once a day. Patients with a decrease in body weight of 1.5 kg or greater from baseline were characterized as responders at day 7. RESULTS: Of 229 patients, 210 were subjected to this analysis. Patients consisted of 133 men and 77 women, with the median age of 67 years (range, 40-89 years). According to the Child-Pugh classification, five patients were classified as class A, 90 as class B, and 115 as class C. The frequencies of responders and nonresponders were 55.2% and 44.8%, respectively. Blood urea nitrogen (BUN) level was significantly lower in responders compared with nonresponders (P = 3.77 * 10-3 ). Using the receiver operating characteristic curve, the cutoff value of 28.2 mg/dL was the most useful in discriminating responders from nonresponders. Among 154 patients with BUN level of less than 28.2 mg/dL, 95 (61.7%) were responders. By contrast, among 56 patients with BUN level of 28.2 mg/dL or more, 21 (37.5%) were nonresponders (P = 2.70 * 10-3 ). On multivariate analysis, BUN level of <28.2 mg/dL and urine sodium >51 mEq/day were found to be independent factors associated with the response to tolvaptan. CONCLUSIONS: This study suggests that BUN level and urinary sodium excretion are closely associated with the response to tolvaptan in cirrhotic patients with hepatic edema. PMID- 29215155 TI - Prophylactic antibiotics before cord clamping in cesarean delivery: a systematic review. AB - INTRODUCTION: The number of clinical trials investigating the optimal timing of prophylactic antibiotics in cesarean section has increased rapidly over the last few years. We conducted a systematic review to inform up-to-date evidence-based guidelines to prevent postpartum infectious morbidity in the mother and rule out any safety issues related to antepartum antibiotic exposure in infants. MATERIAL AND METHODS: Four bibliographic databases were searched for published reports of trials. Ongoing or unpublished studies were searched in Clinicaltrials.gov and the World Health Organization registry platform. Randomized controlled trials comparing antibiotic prophylaxis before and after cord clamping in cesarean section were eligible. Maternal and neonatal outcomes were assessed, and certainty of evidence graded. RESULTS: In total, 18 randomized controlled trials met the inclusion criteria. Those women who received antibiotics preoperatively were 28% (relative risk 0.72, 95% confidence interval 0.56-0.92, nine studies, 4342 women, high quality of evidence) less likely to show infectious morbidity as compared with those who received antibiotics after cord clamping. The risk of endomyometritis and/or endometritis was reduced by 43% (relative risk 0.57, 95% confidence interval 0.40-0.82, 13 studies, 6250 women, high quality of evidence) and the risk of wound infection by 38% (relative risk 0.62, 95% confidence interval 0.47-0.81, 14 studies, 6450 women, high quality of evidence) in those who received antibiotics preoperatively as compared to those who received antibiotics after cord clamping. For other maternal infections no significant differences were identified. The risk for neonatal outcomes, such as deaths attributed to infection, sepsis, neonatal antibiotic treatment, intensive care unit admission or antibiotic-related adverse events, was not found to be different, either clinically or statistically, when antibiotics were given before or after cord clamping (moderate to low quality of evidence). CONCLUSIONS: The evidence in favor of prophylactic antibiotic administration before, in comparison with after, cord clamping for major maternal infections was of high quality, meaning that further research would be unlikely to change the confidence in these findings. However, we recommend additional research reflecting the precision of the effect estimates for neonatal outcomes. PMID- 29215156 TI - Enhanced Capacity and Rate Capability of Nitrogen/Oxygen Dual-Doped Hard Carbon in Capacitive Potassium-Ion Storage. AB - The intercalation of potassium ions into graphite is demonstrated to be feasible, while the electrochemical performance of potassium-ion batteries (KIBs) remains unsatisfying. More effort is needed to improve the specific capacity while maintaining a superior rate capability. As an attempt, nitrogen/oxygen dual-doped hierarchical porous hard carbon (NOHPHC) is introduced as the anode in KIBs by carbonizing and acidizing the NH2 -MIL-101(Al) precursor. Specifically, the NOHPHC electrode delivers high reversible capacities of 365 and 118 mA h g-1 at 25 and 3000 mA g-1 , respectively. The capacity retention reaches 69.5% at 1050 mA g-1 for 1100 cycles. The reasons for the enhanced electrochemical performance, such as the high capacity, good cycling stability, and superior rate capability, are analyzed qualitatively and quantitatively. Quantitative analysis reveals that mixed mechanisms, including capacitance and diffusion, account for the K-ion storage, in which the capacitance plays a more important role. Specifically, the enhanced interlayer spacing (0.39 nm) enables the intercalation of large K ions, while the high specific surface area of ~1030 m2 g-1 and the dual-heteroatom doping (N and O) are conducive to the reversible adsorption of K ions. PMID- 29215158 TI - Congenital diaphragmatic hernia with heart defect has a high risk for hypoplastic left heart syndrome and major extra-cardiac malformations: 10-year national cohort from Finland. AB - INTRODUCTION: Congenital diaphragmatic hernia (CDH) has a well-known risk of congenital heart defects with poor prognosis. This study was conducted to determine the national total prevalence and prenatal detection rates of CDH with heart defects and its association with major extra-cardiac malformations and to further evaluate the impact of the heart defect severity on survival. MATERIAL AND METHODS: A 10-year national cohort was derived from four national registries, including live births, stillbirths, and terminations of pregnancy for fetal anomalies. The study cohort was sorted according to cardiac defect severity. RESULTS: The total prevalence of CDH with heart defects was 0.6/10 000 births and live birth prevalence 0.3/10 000 live births. Of 145 cases with CDH, 37 (26%) had a concurrent heart defect. The overall prenatal detection rate of heart defects was 41%. The total prevalence (483/10 000) and live birth prevalence (500/10 000) of hypoplastic left heart syndrome were 124 and 250 times higher than in the general population in Finland, respectively. Additional major extra-cardiac malformations were found in 68% of cases. The survival rate for CDH with major heart defects was 11 and 38% with minor heart defects. CONCLUSIONS: The total prevalence of hypoplastic left heart syndrome was significantly higher in CDH patients than in the general population in Finland. Prenatal detection rate for heart defects in CDH patients was 41%. Major extra-cardiac malformations were more common than previously reported. The prognosis of CDH with major heart defects remained poor. PMID- 29215159 TI - Sleep disorders in obese children are not limited to obstructive sleep apnoea syndrome. AB - AIM: This study was to characterise respiratory and nonrespiratory sleep disorders in obese children and evaluate the diagnostic and therapeutic impact of a specific sleep consultation. METHODS: A descriptive study was conducted in obese French children who received multidisciplinary care management from the hospital centre for paediatric obesity in Bordeaux. This followed a specific sleep consultation between 2007 and 2015, because their paediatrician had identified symptoms suggestive of sleep disorders. RESULTS: The sleep specialist confirmed the presence of a sleep disorder in 98.4% of the 128 obese children, with a mean age of 12.1 +/- 3.2 years. These included respiratory sleep disorders, hypersomnolence, insomnia and circadian rhythm sleep-wake disorders. Polysomnography revealed that 46.1% had respiratory sleep disorders and 24.2% had obstructive sleep apnoea syndrome (OSAS). Just under half (47.6%) were referred to an otorhinolaryngologist for sleep care management, 30.5% were referred to an orthodontist, 17.9% had melatonin treatment and 13.3% received continuous positive airway pressure ventilation. CONCLUSION: Sleep disorders in obese children were not limited to respiratory sleep disorders including OSAS. A systematic specific consultation with a sleep specialist is essential for the diagnosis and care of such children and would be beneficial when treating paediatric obesity. PMID- 29215157 TI - Knockdown of the transcript of ERK in the brain modulates hypothalamic neuropeptide-mediated appetite control in amphetamine-treated rats. AB - BACKGROUND AND PURPOSE: Amphetamine is a releaser of dopamine stored in synaptic terminals, which can suppress appetite by changing the expression levels of neuropeptide Y (NPY) and proopiomelanocortin (POMC) in the hypothalamus. This study explored whether ERKs are involved in appetite control mediated by cAMP response element binding protein (CREB), NPY and POMC in amphetamine-treated rats. EXPERIMENTAL APPROACH: Rats were given amphetamine for 4 days, and changes in feeding behaviour and expression levels of phosphorylated-ERK (pERK), pCREB, NPY and melanocortin MC3 receptors were examined and compared. KEY RESULTS: Following amphetamine treatment, food intake, body weight and NPY expression decreased, whereas the expression of pERK, pCREB, MC3 receptors and pCREB/DNA binding activity increased. In amphetamine-treated rats, both cerebral ERK knockdown and pretreatment with a peripheral dopamine receptor antagonist decreased NPY but increased pERK, pCREB and MC3 receptor expression. Moreover, the immunofluorescence of hypothalamic pERK increased following amphetamine treatment. CONCLUSIONS AND IMPLICATIONS: These results suggest that ERK/CREB signalling participates in the effects mediated by dopamine receptor/NPY/POMC on appetite control in rats treated with amphetamine. These findings advance the knowledge on the involvement of ERK/CREB signalling in the reciprocal regulation by NPY and POMC of appetite after amphetamine treatment. PMID- 29215161 TI - Suppressive oligodeoxynucleotides containing TTAGGG motifs inhibit cGAS activation in human monocytes. AB - Type I interferon (IFN) is a critical mediator of autoimmune diseases such as systemic lupus erythematosus (SLE) and Aicardi-Goutieres Syndrome (AGS). The recently discovered cyclic-GMP-AMP (cGAMP) synthase (cGAS) induces the production of type I IFN in response to cytosolic DNA and is potentially linked to SLE and AGS. Suppressive oligodeoxynucleotides (ODN) containing repetitive TTAGGG motifs present in mammalian telomeres have proven useful in the treatment of autoimmune diseases including SLE. In this study, we demonstrate that the suppressive ODN A151 effectively inhibits activation of cGAS in response to cytosolic DNA, thereby inhibiting type I IFN production by human monocytes. In addition, A151 abrogated cGAS activation in response to endogenous accumulation of DNA using TREX1-deficient monocytes. We demonstrate that A151 prevents cGAS activation in a manner that is competitive with DNA. This suppressive activity of A151 was dependent on both telomeric sequence and phosphorothioate backbone. To our knowledge this report presents the first cGAS inhibitor capable of blocking self DNA. Collectively, these findings might lead to the development of new therapeutics against IFN-driven pathologies due to cGAS activation. PMID- 29215160 TI - New FIGO and Swedish intrapartum cardiotocography classification systems incorporated in the fetal ECG ST analysis (STAN) interpretation algorithm: agreements and discrepancies in cardiotocography classification and evaluation of significant ST events. AB - INTRODUCTION: The updated intrapartum cardiotocography (CTG) classification system by FIGO in 2015 (FIGO2015) and the FIGO2015-approached classification by the Swedish Society of Obstetricians and Gynecologist in 2017 (SSOG2017) are not harmonized with the fetal ECG ST analysis (STAN) algorithm from 2007 (STAN2007). The study aimed to reveal homogeneity and agreement between the systems in classifying CTG and ST events, and relate them to maternal and perinatal outcomes. MATERIAL AND METHODS: Among CTG traces with ST events, 100 traces originally classified as normal, 100 as suspicious and 100 as pathological were randomly selected from a STAN database and classified by two experts in consensus. Homogeneity and agreement statistics between the CTG classifications were performed. Maternal and perinatal outcomes were evaluated in cases with clinically hidden ST data (n = 151). A two-tailed p < 0.05 was regarded as significant. RESULTS: For CTG classes, the heterogeneity was significant between the old and new systems, and agreements were moderate to strong (proportion of agreement, kappa index 0.70-0.86). Between the new classifications, heterogeneity was significant and agreements strong (0.90, 0.92). For significant ST events, heterogeneities were significant and agreements moderate to almost perfect (STAN2007 vs. FIGO2015 0.86, 0.72; STAN2007 vs. SSOG2017 0.92, 0.84; FIGO2015 vs. SSOG2017 0.94, 0.87). Significant ST events occurred more often combined with STAN2007 than with FIGO2015 classification, but not with SSOG2017; correct identification of adverse outcomes was not significantly different between the systems. CONCLUSION: There are discrepancies in the classification of CTG patterns and significant ST events between the old and new systems. The clinical relevance of the findings remains to be shown. PMID- 29215162 TI - Delineating the association between mode of delivery and postpartum depression symptoms: a longitudinal study. AB - INTRODUCTION: Although a number of perinatal factors have been implicated in the etiology of postpartum depression, the role of mode of delivery remains controversial. Our aim was to explore the association between mode of delivery and postpartum depression, considering the potentially mediating or confounding role of several covariates. MATERIAL AND METHODS: In a longitudinal-cohort study in Uppsala, Sweden, with 3888 unique pregnancies followed up postpartum, the effect of mode of delivery (spontaneous vaginal delivery, vacuum extraction, elective cesarean section, emergency cesarean section) on self-reported postpartum depression symptoms (Edinburgh Postnatal Depression Scale >=12) at 6 weeks postpartum was investigated through logistic regression models and path analysis. RESULTS: The overall prevalence of postpartum depression was 13%. Compared with spontaneous vaginal delivery, women who delivered by emergency cesarean section were at higher risk for postpartum depression 6 weeks after delivery in crude (odds ratio 1.45, 95% confidence interval 1.04-2.01) but not in adjusted analysis. However, the path analysis revealed that emergency cesarean section and vacuum extraction were indirectly associated with increased risk of postpartum depression, by leading to postpartum complications, self-reported physical symptoms postpartum, and therefore a negative delivery experience. In contrast, history of depression and fear of delivery increased the odds of postpartum depression and led more frequently to elective cesarean section; however, it was associated with a positive delivery experience. CONCLUSIONS: Mode of delivery has no direct impact on risk of postpartum depression; nevertheless, several modifiable or non-modifiable mediators are present in this association. Women delivering in an emergency setting by emergency cesarean section or vacuum extraction, and reporting negatively experienced delivery, constitute a high-risk group for postpartum depression. PMID- 29215163 TI - Transparency in the reporting of nursing research. PMID- 29215165 TI - Transcriptional response of Nautella italica R11 towards its macroalgal host uncovers new mechanisms of host-pathogen interaction. AB - Macroalgae (seaweeds) are essential for the functioning of temperate marine ecosystems, but there is increasing evidence to suggest that their survival is under threat from anthropogenic stressors and disease. Nautella italica R11 is recognized as an aetiological agent of bleaching disease in the red alga, Delisea pulchra. Yet, there is a lack of knowledge surrounding the molecular mechanisms involved in this model host-pathogen interaction. Here we report that mutations in the gene encoding for a LuxR-type quorum sensing transcriptional regulator, RaiR, render N. italica R11 avirulent, suggesting this gene is important for regulating the expression of virulence phenotypes. Using an RNA sequencing approach, we observed a strong transcriptional response of N. italica R11 towards the presence of D. pulchra. In particular, genes involved in oxidative stress resistance, carbohydrate and central metabolism were upregulated in the presence of the host, suggesting a role for these functions in the opportunistic pathogenicity of N. italica R11. Furthermore, we show that RaiR regulates a subset of genes in N. italica R11, including those involved in metabolism and the expression of phage-related proteins. The outcome of this research reveals new functions important for virulence of N. italica R11 and contributes to our greater understanding of the complex factors mitigating microbial diseases in macroalgae. PMID- 29215164 TI - Magnetically Guided Self-Assembly and Coding of 3D Living Architectures. AB - In nature, cells self-assemble at the microscale into complex functional configurations. This mechanism is increasingly exploited to assemble biofidelic biological systems in vitro. However, precise coding of 3D multicellular living materials is challenging due to their architectural complexity and spatiotemporal heterogeneity. Therefore, there is an unmet need for an effective assembly method with deterministic control on the biomanufacturing of functional living systems, which can be used to model physiological and pathological behavior. Here, a universal system is presented for 3D assembly and coding of cells into complex living architectures. In this system, a gadolinium-based nonionic paramagnetic agent is used in conjunction with magnetic fields to levitate and assemble cells. Thus, living materials are fabricated with controlled geometry and organization and imaged in situ in real time, preserving viability and functional properties. The developed method provides an innovative direction to monitor and guide the reconfigurability of living materials temporally and spatially in 3D, which can enable the study of transient biological mechanisms. This platform offers broad applications in numerous fields, such as 3D bioprinting and bottom-up tissue engineering, as well as drug discovery, developmental biology, neuroscience, and cancer research. PMID- 29215166 TI - Effectiveness of platelet-rich plasma therapy in wound healing of pilonidal sinus surgery: A comprehensive systematic review and meta-analysis. AB - Pilonidal disease (PD) is a chronic situation which may cause pain, discomfort, inflammation, discharges, and inability to do daily routines. Among two main methods of surgery, open healing is preferred by surgeons since it associates with lower risk of recurrence; however, it could complicate the wound condition by delaying the healing process. For this meta-analysis, a search in Medline, Embase, and Scopus was performed in June 2017 with no restrictions placed on the publication date or languages. Then, time to healing was considered as the effect size and all the data from trials were extracted. The heterogeneity and the variation in pooled estimation were assessed using Cochran's Q test and I squared, respectively. Meta-regression was used to examine the relationship between the effect size and year, studies' sample sizes, proportion of male gender and age with the cause of heterogeneity. From 11 selected articles finally 4 met our inclusion and exclusion criteria with the total number of 484 patients. Using a fixed-effect model, pool effect was detected 0.642 (95% CI: 0.485-0.798). A homogeneity of pooled effect size estimate for the studies was also found (Cochran Q test, p-value = 0.844, I-square = 0.0%). Moreover, results of meta regression showed no statistically significant association between the effect size and patients' mean age, year of publication, total sample size, and sex proportion (0.51 < p-values < 0.98). Platelet-rich plasma therapy for PD wounds appeared more effective than classic wound dressing. PMID- 29215167 TI - Plasmonic Metaparticles on a Blackbody Create Vivid Reflective Colors for Naked Eye Environmental and Clinical Biodetection. AB - Plasmonic dipoles are famous for their strong absorptivity rather than their reflectivity. Here, the as-yet unknown specular reflection and the Brewster effect of ultrafine plasmonic dipoles, metaparticles, are introduced and exploited as the basis of new design rules for advanced applications. A configuration of "Plasmonic metaparticles on a blackbody" is demonstrated and utilized for the design of a tailored perfect-colored absorber and for visual detection of environmental dielectrics that is not readily done by extinction plasmonics. Moreover, the Plasmonic Brewster Wavelength (PBW) effect is introduced as a new platform for the naked-eye and bulk biodetection of analytes. The technique operates based on slight changes of molecular polarizability which is not detectable via conventional plasmon resonance techniques. As a specific highlight, the clinical applicability of the PBW method is demonstrated while addressing the transduction plasmonic techniques' challenge in detection of bulk refractive index changes of the healthy and diseased human serum exosomes. Finally, the sputtering-based fabrication method used here is simple, inexpensive, and scalable, and does not require the sophisticated patterning approach of lithography or precise alignment of light coupling for the biodetection. PMID- 29215168 TI - Decreased Signal Intensity Ratio on MRA Reflects Misery Perfusion on SPECT in Patients with Intracranial Stenosis. AB - BACKGROUND AND PURPOSE: Acetazolamide reactivity on 123 I-IMP SPECT is used to detect misery perfusion due to intracranial atherosclerosis. Noninvasive fractional flow assessed by signal intensity ratio (SIR) on time of flight magnetic resonance angiography (TOF-MRA) might offer a feasible alternative to identify high-risk intracranial stenosis. METHODS: Data from consecutive patients with unilateral middle cerebral artery (MCA) stenosis who underwent both TOF-MRA and acetazolamide reactivity on 123 I-IMP SPECT were retrospectively analyzed. Signal intensity was measured in the background and on the MCA proximal and distal to the stenotic lesion on TOF-MRA. Mean cerebral blood flow (CBF) at rest and cerebrovascular reactivity were measured in the target MCA territory. CBF patterns of the MCA were divided into three groups (Powers' stage 0-II). RESULTS: A total of 56 sets of diagnostic imaging in 33 patients were assessed. Four CBF patterns were stage II in four MCA territories, stage I in 31, and stage 0 in 21. Median SIR of the MCA was .53 (interquartile range .46-.69) for stage II, .78 (.63-.90) for stage I, and .91 (.85-.95) for stage 0. The optimal cutoff for SIR obtained from receiver operating characteristic curve analysis to predict stage II was < .56. CONCLUSIONS: In patients with unilateral MCA stenosis, decreased SIR was correlated with misery perfusion, providing a simpler, widely available predictor of high-risk intracranial stenosis. PMID- 29215169 TI - Stimulation of PgdA-dependent peptidoglycan N-deacetylation by GpsB-PBP A1 in Listeria monocytogenes. AB - Listeria monocytogenes and other pathogenic bacteria modify their peptidoglycan to protect it against enzymatic attack through the host innate immune system, such as the cell wall hydrolase lysozyme. During our studies on GpsB, a late cell division protein that controls activity of the bi-functional penicillin binding protein PBP A1, we discovered that GpsB influences lysozyme resistance of L. monocytogenes as mutant strains lacking gpsB showed an increased lysozyme resistance. Deletion of pbpA1 corrected this effect, demonstrating that PBP A1 is also involved in this. Susceptibility to lysozyme mainly depends on two peptidoglycan modifying enzymes: The peptidoglycan N-deacetylase PgdA and the peptidoglycan O-acetyltransferase OatA. Genetic and biochemical experiments consistently demonstrated that the increased lysozyme resistance of the DeltagpsB mutant was PgdA-dependent and OatA-independent. Protein-protein interaction studies supported the idea that GpsB, PBP A1 and PgdA form a complex in L. monocytogenes and identified the regions in PBP A1 and PgdA required for complex formation. These results establish a physiological connection between GpsB, PBP A1 and the peptidoglycan modifying enzyme PgdA. To our knowledge, this is the first reported link between a GpsB-like cell division protein and factors important for escape from the host immune system. PMID- 29215171 TI - Graphene Inks as Versatile Templates for Printing Tiled Metal Oxide Crystalline Films. AB - There is great interest in exploiting van der Waals gaps in layered materials as confinement reaction vessels to template the synthesis of new nanosheet structures. The gallery spaces in multilayer graphene oxide, for example, can intercalate hydrated metal ions that assemble into metal oxide films during thermal oxidation of the sacrificial graphene template. This approach offers limited control of structure, however, and does not typically lead to 2D atomic scale growth of anisotropic platelet crystals, but rather arrays of simple particles directionally sintered into porous sheets. Here, a new graphene directed assembly route is demonstrated that yields fully dense, space-filling films of tiled metal oxide platelet crystals with tessellated structures. The method relies on colloidal engineering to produce a printable "metallized graphene ink" with accurate control of metal loading, grain size/porosity, composition, and micro/nanomorphologies, and is capable of achieving higher metal carbon ratio than is possible by intercalation methods. These tiled structures are sufficiently robust to create free standing papers, complex microtextured films, 3D shapes, and metal oxide replicas of natural biotextures. PMID- 29215170 TI - Synthetic Light-Curable Polymeric Materials Provide a Supportive Niche for Dental Pulp Stem Cells. AB - Dental disease annually affects billions of patients, and while regenerative dentistry aims to heal dental tissue after injury, existing polymeric restorative materials, or fillings, do not directly participate in the healing process in a bioinstructive manner. There is a need for restorative materials that can support native functions of dental pulp stem cells (DPSCs), which are capable of regenerating dentin. A polymer microarray formed from commercially available monomers to rapidly identify materials that support DPSC adhesion is used. Based on these findings, thiol-ene chemistry is employed to achieve rapid light-curing and minimize residual monomer of the lead materials. Several triacrylate bulk polymers support DPSC adhesion, proliferation, and differentiation in vitro, and exhibit stiffness and tensile strength similar to existing dental materials. Conversely, materials composed of a trimethacrylate monomer or bisphenol A glycidyl methacrylate, which is a monomer standard in dental materials, do not support stem cell adhesion and negatively impact matrix and signaling pathways. Furthermore, thiol-ene polymerized triacrylates are used as permanent filling materials at the dentin-pulp interface in direct contact with irreversibly injured pulp tissue. These novel triacrylate-based biomaterials have potential to enable novel regenerative dental therapies in the clinic by both restoring teeth and providing a supportive niche for DPSCs. PMID- 29215173 TI - When do trade-offs occur? The roles of energy constraints and trait flexibility in bushcricket populations. AB - In many animal species, the expression of sexually selected traits is negatively correlated with traits associated with survival such as immune function, a relationship termed a 'trade-off'. But an alternative in which sexually selected traits are positively correlated with survival traits is also widespread. We propose that the nature of intertrait relationships is largely determined by overall energy expenditure, energy availability and trait flexibility, with trade offs expected when individuals are subject to energy constraints. We tested this hypothesis in Ephippiger diurnus, a European bushcricket in which males are distinguished by two prominent sexually selected traits, acoustic calls and a large spermatophore transferred to the female at mating, and where immune function may be critical in survival. Ephippiger diurnus are distributed as small, isolated populations that are differentiated genetically and behaviourally. We analysed songs, spermatophores and the immune function in male individuals from eight populations spanning a range of song types. As predicted, we only found trade-offs in those populations that expended more energy on song and were less flexible in their ability to adjust that expenditure. Ultimately, energy constraints and resulting trade-offs may limit the evolution of song exaggeration in E. diurnus populations broadcasting long calls comprised of multiple 'syllables'. PMID- 29215172 TI - Fibroblast growth factor 21 increases hepatic oxidative capacity but not physical activity or energy expenditure in hepatic peroxisome proliferator-activated receptor gamma coactivator-1alpha-deficient mice. AB - NEW FINDINGS: What is the central question of this study? Does a reduction in hepatic peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC 1alpha), which has been observed in an insulin-resistant obese state, impair the ability of fibroblast growth factor 21 (FGF21) to modulate metabolism? What is the main finding and its importance? A deficit in hepatic PGC-1alpha does not compromise the ability of FGF21 to increase hepatic fatty acid oxidation; however, the effects of FGF21 to regulate whole-body metabolism (i.e. total and resting energy expenditure), as well as ambulatory activity, were altered when hepatic PGC-1alpha was reduced. ABSTRACT: Fibroblast growth factor 21 (FGF21) treatment drives metabolic improvements, including increased metabolic flux and reduced hepatic steatosis, but the mechanisms responsible for these effects remain to be elucidated fully. We tested whether a targeted reduction in hepatic peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC-1alpha), which has been shown to occur with obesity, had a negative impact on the metabolic effects of FGF21. We infused FGF21 (1 mg kg-1 day-1 ) or saline in chow-fed wild-type (WT) and liver-specific PGC-1alpha heterozygous (LPGC-1alpha) mice for 4 weeks. Administration of FGF21 lowered serum insulin and cholesterol (P <= 0.05) and tended to lower free fatty acids (P = 0.057). The LPGC-1alpha mice exhibited reduced complete hepatic fatty acid oxidation (FAO; LPGC-1alpha, 1788 +/- 165 nmol g-1 h-1 compared with WT, 2572 +/- 437 nmol g-1 h-1 ; P < 0.001), which was normalized by FGF21 treatment (2788 +/- 519 nmol g-1 h-1 ; P < 0.001). FGF21 also increased hepatic incomplete FAO by 12% in both groups and extramitochondrial FAO by 89 and 56% in WT and LPGC-1alpha mice, respectfully (P = 0.001), and lowered hepatic triacylglycerol by 30-40% (P < 0.001). Chronic treatment with FGF21 lowered body weight and fat mass (P < 0.05), while increasing food consumption (P < 0.05), total energy expenditure [7.3 +/- 0.60 versus 6.6 +/- 0.39 kcal (12 h)-1 in WT mice; P = 0.009] and resting energy expenditure [5.4 +/- 0.89 versus 4.6 +/- 0.21 kcal (12 h)-1 in WT mice; P = 0.005]. Interestingly, FGF21 only increased ambulatory activity in the WT mice (P = 0.03), without a concomitant increase in non-resting energy expenditure. In conclusion, although reduced hepatic PGC-1alpha expression was not necessary for FGF21 to increase FAO, it does appear to mediate FGF21-induced changes in total and resting energy expenditure and ambulatory activity in lean mice. PMID- 29215174 TI - Microscale 3D Printing of Nanotwinned Copper. AB - Nanotwinned (nt)-metals exhibit superior mechanical and electrical properties compared to their coarse-grained and nanograined counterparts. nt-metals in film and bulk forms are obtained using physical and chemical processes including pulsed electrodeposition (PED), plastic deformation, recrystallization, phase transformation, and sputter deposition. However, currently, there is no process for 3D printing (additive manufacturing) of nt-metals. Microscale 3D printing of nt-Cu is demonstrated with high density of coherent twin boundaries using a new room temperature process based on localized PED (L-PED). The 3D printed nt-Cu is fully dense, with low to none impurities, and low microstructural defects, and without obvious interface between printed layers, which overall result in good mechanical and electrical properties, without any postprocessing steps. The L-PED process enables direct 3D printing of layer-by-layer and complex 3D microscale nt Cu structures, which may find applications for fabrication of metamaterials, sensors, plasmonics, and micro/nanoelectromechanical systems. PMID- 29215176 TI - Protective role of the HOG pathway against the growth defect caused by impaired biosynthesis of complex sphingolipids in yeast Saccharomyces cerevisiae. AB - Complex sphingolipids play critical roles in various cellular events in the yeast Saccharomyces cerevisiae. To identify genes that are related to the growth defect caused by disruption of complex sphingolipid biosynthesis, we screened for suppressor mutations and multicopy suppressor genes that confer resistance against repression of AUR1 encoding inositol phosphorylceramide synthase. From the results of this screening, we found that the activation of high-osmolarity glycerol (HOG) pathway is involved in suppression of growth defect caused by impaired biosynthesis of complex sphingolipids. Furthermore, it was found that transcriptional regulation via Msn2, Msn4 and Sko1 is involved in the suppressive effect of the HOG pathway. Lack of the HOG pathway did not enhance the reductions in complex sphingolipid levels or the increase in ceramide level caused by the AUR1 repression, implying that the suppressive effect of the HOG pathway on the growth defect is not attributed to restoration of impaired biosynthesis of complex sphingolipids. On the contrary, the HOG pathway and Msn2/4-mediated transcriptional activation was involved in suppression of aberrant reactive oxygen species accumulation caused by the AUR1 repression. These results indicated that the HOG pathway plays pivotal roles in maintaining cell growth under impaired biosynthesis of complex sphingolipids. PMID- 29215175 TI - Mesoporous Metal-Organic Frameworks with Exceptionally High Working Capacities for Adsorption Heat Transformation. AB - Pore size is one of the most important parameters of adsorbents, and mesoporous materials have received intense attention for large guests. Here, a series of mesoporous coordination polymers underlying a new framework prototype for fast expansion of pore size is reported and the profound effect of pore size on adsorption heat transformation is demonstrated. Three isostructural honeycomb like frameworks are designed and synthesized by combining ditopic linear metal oxalate chains and triangular tris-pyridine ligands. Changing the ligand bridging length from 5.5 to 8.6 and 9.9 A gives rise to effective pore diameter from 20 to 33 and 37 A, surface area from 2096 to 2630 and 2749 m2 g-1 , and pore volume from 1.19 to 1.93 and 2.36 cm3 g-1 , respectively. By virtue of the unique and tunable isotherm shape of mesopores, exceptionally large working capacity up to 1.19 g g-1 or 0.38 g cm-3 for adsorption heat transformation can be achieved using R-134a (1,1,1,2-tetrafluroethane) as a working fluid. PMID- 29215177 TI - Scleral suture fixation of supplementary sulcus-based toric intraocular lenses to prevent rotational instability. PMID- 29215178 TI - Predictors of visual outcome and the role of early vitrectomy in streptococcal endophthalmitis: response. PMID- 29215179 TI - Five-year visual outcome among people with correctable visual impairment: the Liwan Eye Study. AB - IMPORTANCE: Longitudinal data on visual outcome of correctable visual impairments (VI) are of paramount importance for decision-maker to estimate burden and demand to treat avoidable VI. BACKGROUND: To assess the 5-year visual outcome among participants with correctable VI and to identify associated risk factors. DESIGN: Population-based longitudinal cohort study. PARTICIPANTS: Participants with correctable VI at baseline attended the 5-year follow-up visit of the Liwan Eye Study. METHODS: Presenting visual acuity (PVA) with habitual refractive correction was assessed using an Early Treatment Diabetic Retinopathy Study (ETDRS) chart. Then participants with PVA <6/12 in either eye underwent further non-cycloplegic subjective refraction to obtain their best-corrected visual acuity. Correctable VI was defined as having a PVA of <6/12 in the better eye which could be improved to >=6/12 after refractive correction. MAIN OUTCOME MEASURES: The 5-year visual outcome among participants with correctable VI. RESULTS: Among 1405 participants at baseline examination, 188 (13.4%) had correctable VI, of whom 118 (62.8%) were re-examined at the 5-year follow-up, including 39 (33.9%) who progressed to non-correctable VI, 43 (37.4%) who had persistent correctable VI and 33 (28.7%) who were converted to normal vision. In multivariate logistic regression, compared with participants who were no longer visual impaired, significant risk factors for participants with persistent VI were older, had income <1000 RMB/month, and more myopia spherical equivalent. CONCLUSIONS AND RELEVANCE: Over two of three participants with correctable VI remained to have VI after 5 years, among whom 50% are correctable by spectacles, highlighting the need to improve the refractive care accessibility to treat avoidable VI in China. PMID- 29215180 TI - Direct and indirect costs incurred by Australian living kidney donors. AB - AIM: To describe the direct and indirect costs incurred by Australian living kidney donors. METHODS: A total of 55 living kidney donors from three centres in Perth, Australia and one centre in Melbourne, Australia (2010-2014) was studied. Forty-nine donors provided information on expenses incurred during the donor evaluation period and up to 3 months after donation. A micro-costing approach was used to measure and value the units of resources consumed. Expenses were grouped as direct costs (ground and air travel, accommodation, and prescription medications) and indirect costs (lost wages and lost productivity). Costs were standardized to the year 2016 in Australian dollars. RESULTS: The most common direct costs were for ground travel (100%), parking (76%), and post-donation pain medications or antibiotics (73%). The highest direct costs were for air travel (median $1986 [three donors]) and ground travel (median $459 [49 donors]). Donors also reported lost wages (median $9891 [37 donors]). The inability to perform household activities or care for dependants were reported by 32 (65%) and 23 (47%) donors. Total direct costs averaged $1682 per donor (median $806 among 49 donors). Total indirect costs averaged $7249 per donor (median $7273 among 49 donors). Total direct and indirect costs averaged $8932 per donor (median $7963 among 49 donors). CONCLUSION: Many Australian living kidney donors incur substantial costs during the donation process. Our findings inform the continued development of policies and programmes designed to minimize costs incurred by living kidney donors. PMID- 29215181 TI - Ruthenium(II)-Catalyzed C-H Difluoromethylation of Ketoximes: Tuning the Regioselectivity from the meta to the para Position. AB - A highly para-selective CAr -H difluoromethylation of ketoxime ethers under ruthenium catalysis has been developed. A wide variety of ketoxime ethers are compatible with the reaction, which leads to the corresponding para difluoromethylated products in moderate to good yield. A mechanistic study clearly showed that chelation-assisted cycloruthenation is the key factor in the para selectivity of the difluoromethylation of ketoxime ethers. Density functional theory was used to gain a theoretical understanding of the para selectivity. PMID- 29215182 TI - Biomass smoke COPD: A phenotype or a different disease? PMID- 29215184 TI - A Single Mutation Increases the Activity and Stability of Pectobacterium carotovorum Nitrile Reductase. AB - Nitrile reductases are considered to be promising and environmentally benign nitrile-reducing biocatalysts to replace traditional metal catalysts. Unfortunately, the catalytic efficiencies of the nitrile reductases reported so far are very low. To date, all attempts to increase the catalytic activity of nitrile reductases by protein engineering have failed. In this work, we successfully increased the specific activity of a nitrile reductase from Pectobacterium carotovorum from 354 to 526 U gprot-1 by engineering the substrate binding pocket; moreover, the thermostability was also improved (~2-fold), showing half-lives of 140 and 32 h at 30 and 40 degrees C, respectively. In the bioreduction of 2-amino-5-cyanopyrrolo[2,3-d]pyrimidin-4-one (preQ0 ) to 2-amino 5-aminomethylpyrrolo[2,3-d]pyrimidin-4-one (preQ1 ), the variant was advantageous over the wild-type enzyme with a higher reaction rate and complete conversion of the substrate within a shorter period. Homology modeling and docking analysis revealed some possible origins of the increased activity and stability. These results establish a solid basis for future engineering of nitrile reductases to increase the catalytic efficiency further, which is a prerequisite for applying these novel biocatalysts in synthetic chemistry. PMID- 29215183 TI - Use of biological drugs in patients with psoriasis and psoriatic arthritis in Italy: Results from the PSONG survey. AB - This Italian multicenter retrospective study compared the drug survival and efficacy of different anti-TNF agents in psoriasis (PsO) and psoriatic arthritis (PsA) patients. A database of PsO/PsA patients treated with adalimumab, etanercept, and infliximab from May 2013 to May 2014 was analyzed. PASI 75, 90, and 100 was calculated at each time point to evaluate efficacy. Drug survival rate and probability of maintaining PASI response were evaluated. The impact of dependent variables on probability of PASI 75 loss was evaluated by logistic regression. 1,235 patients were included, 577 with PsO and 658 with PsA. Highest survival rates were observed with adalimumab followed by etanercept and infliximab in PsO and PsA patients. The probability of maintaining PASI response was significantly higher for adalimumab followed by infliximab. For PsO patients, the odds of losing PASI 75 was higher in etanercept-treated patients (OR: 8.1; 95% CI: 4.2-15.6, p < .001) or infliximab (OR: 6.6; 95% CI: 2.6-16.3, p < .001) vs. adalimumab. Likewise, for PsA patients the odds of losing PASI 75 was higher in etanercept-treated patients (OR: 2.3; 95% CI: 1.4-3.8, p = .01) or infliximab (OR: 2.2; 95% CI: 1.1-4.1, p = .018) vs. adalimumab. Adalimumab could be the best therapeutic option over other anti-TNF agents for the treatment of PsO and PsA patients. PMID- 29215185 TI - Potential of autologous adipose-derived stem cells to regenerate atrophied muscle in a rat model. AB - Muscle atrophy results in severe functional impairment and is a significant clinical problem. We examined and characterized the therapeutic effects of autologous adipose-derived stem cells (ADSCs) using an in vivo muscle atrophy rat model. To identify the effect of injected ADSCs into muscle, we developed the following two models of muscle atrophy in rats: induction of denervation by sciatic nerve defects; and nerve repair after severing the sciatic nerve. The inguinal fat pads were harvested from each rat and autologous ADSCs were cultured and ADSCs were injected in the right hind limbs as the experimental group, while normal saline was injected in the left hind limbs, which served as the control group. After 2 weeks, gross examination and histologic analyses were performed. Additionally, to investigate the survival of ADSCs in muscle tissues, we traced the injected ADSCs. The fate of injected ADSCs into muscle was investigated using a green fluorescent protein (GFP) tagging method with lentivirus transfection. The muscle weight and cross-sectional area of muscle were greater and proliferation of connective tissue was less prominent in the ADSC-injected group. Alpha-bungarotoxin binding in the neuromuscular junction was significantly increased, and neoangiogenesis was higher in the ADSCs-injected group. green fluorescent protein-labeled ADSCs survived in the gastrocnemius muscle after 2 weeks. These findings could give a support in finding the role of autologous ADSCs as new therapeutic modality for regeneration of atrophied muscle. PMID- 29215186 TI - A General Approach Towards Triazole-Linked Adenosine Diphosphate Ribosylated Peptides and Proteins. AB - Current methods to prepare adenosine diphosphate ribosylated (ADPr) peptides are not generally applicable due to the labile nature of this post-translational modification and its incompatibility with strong acidic conditions used in standard solid-phase peptide synthesis. A general strategy is presented to prepare ADPr peptide analogues based on a copper-catalyzed click reaction between an azide-modified peptide and an alkyne-modified ADPr counterpart. The scope of this approach was expanded to proteins by preparing two ubiquitin ADPr analogues carrying the biological relevant alpha-glycosidic linkage. Biochemical validation using Legionella effector enzyme SdeA shows that clicked ubiquitin ADPr is well tolerated and highlights the potential of this strategy to prepare ADPr proteins. PMID- 29215187 TI - The use of orientation/decision/do/discuss/reflect (OD3R) method to increase critical thinking skill and practical skill in biochemistry learning. AB - We have developed an OD3R method that can be applied on Biochemistry learning. This OD3R consists of 5 phases: orientation, decision, do, discuss, and reflect to connect lessons in the class with practice in the laboratory. Implementation of OD3R method was done in 2 universities in Yogyakarta to increase critical thinking skill and practical skill of the students. The critical thinking skills were assessed using modified Hoyo rubric according to student's ability in writing laboratory work report. Practical skill was assessed using a rubric with 6 practical skill categories: procedural skill, manipulative skill, observation skill, drawing skill, interpretation skill, and presentation skill. Implementation result shows that OD3R method can increase critical thinking skill and practical skill of the students. OD3R method is a learning method that is centered on the students and can be recommended to train thinking skill and practical skill of students in University. (c) 2017 by The International Union of Biochemistry and Molecular Biology, 46(2):107-113, 2018. PMID- 29215188 TI - Polymerase chain reaction test in induced sputum of patients with pulmonary tuberculosis. AB - INTRODUCTION: Induced sputum (IS) is an alternative method of obtaining sputum, but IS smears are frequently negative. Culture is more time consuming in its results, and less useful to guide the diagnosis. Polymerase chain reaction (PCR) is the most common methodology for rapid diagnosis of tuberculosis (TB), and few studies evaluated its role in IS samples. OBJECTIVES: The objective of this study is to determine the diagnostic yield of PCR for TB compared with culture in IS samples. MATERIALS AND METHODS: Prospective study. Inpatients and outpatients of >18 years with respiratory symptoms suggestive of PTB were invited to participate. The subjects were interviewed using a standardized questionnaire, and collected IS. Three samples were obtained for AFB smear and culture. A fourth sample was obtained for PCR test. RESULTS: A total of 116 IS samples were evaluated. The sensitivity, specificity, positive predictive value and negative predictive values of PCR were 95.2%, 48.4%, 29.0% and 97.9%, respectively. The area under the receiver operating characteristic curve was .72 for the PCR test (P < .0001). CONCLUSIONS: Although the PCR specificity could be underestimated, if we consider PCR to be more sensitive than the culture method used, we believed that these PCR-positive tests mean false positives. The results of PCR should always be interpreted carefully in conjunction with clinical information. PMID- 29215190 TI - Organohalide respiration in pristine environments: implications for the natural halogen cycle. AB - Halogenated organic compounds, also termed organohalogens, were initially considered to be of almost exclusively anthropogenic origin. However, over 5000 naturally synthesized organohalogens are known today. This has also fuelled the hypothesis that the natural and ancient origin of organohalogens could have primed development of metabolic machineries for their degradation, especially in microorganisms. Among these, a special group of anaerobic microorganisms was discovered that could conserve energy by reducing organohalogens as terminal electron acceptor in a process termed organohalide respiration. Originally discovered in a quest for biodegradation of anthropogenic organohalogens, these organohalide-respiring bacteria (OHRB) were soon found to reside in pristine environments, such as the deep subseafloor and Arctic tundra soil with limited/no connections to anthropogenic activities. As such, accumulating evidence suggests an important role of OHRB in local natural halogen cycles, presumably taking advantage of natural organohalogens. In this minireview, we integrate current knowledge regarding the natural origin and occurrence of industrially important organohalogens and the evolution and spread of OHRB, and describe potential implications for natural halogen and carbon cycles. PMID- 29215189 TI - Dapagliflozin as add-on therapy in Asian patients with type 2 diabetes inadequately controlled on insulin with or without oral antihyperglycemic drugs: A randomized controlled trial. AB - BACKGROUND: This 24-week Phase 3 double-blind placebo-controlled study assessed the safety and efficacy of dapagliflozin as add-on to insulin, with or without oral antihyperglycemic drugs (OADs), in Asian patients with inadequately controlled type 2 diabetes mellitus. METHODS: Adult patients with HbA1c between >=7.5% and <=10.5%, body mass index <=45 kg/m2 , and on insulin doses >=20 IU daily were randomized to dapagliflozin 10 mg (n = 139) or placebo (n = 133) to assess 24-week changes in HbA1c (primary outcome), fasting plasma glucose (FPG), body weight, total daily dose of insulin (TDDI), and seated systolic blood pressure (SeSBP; exploratory outcome). RESULTS: Baseline characteristics were similar in both groups. At Week 24, compared with placebo, dapagliflozin significantly improved HbA1c (mean [95% confidence interval] 0.03% [-0.11, 0.17] for placebo vs -0.87% [-1.00, -0.74] for dapagliflozin; between-group difference 0.90% [-1.09, -0.71], P < 0.0001]), FPG, body weight, TDDI, and SeSBP. The incidence of adverse events (AEs) in the dapagliflozin and placebo groups was 80.5% and 71.2%, respectively, with few patients discontinuing due to AEs (dapagliflozin, 2.2%; placebo, 4.2%). The occurrence of hypoglycemia was similar in the dapagliflozin and placebo groups (23.7% and 22.6%, respectively; no major events). The frequency of urinary tract and genital infections was low; no deaths were reported. CONCLUSIONS: Dapagliflozin as add-on to insulin, with or without OADs, significantly improved glycemic control and reduced body weight and blood pressure in Asian patients. Dapagliflozin was well tolerated, with a similar frequency of hypoglycemia in both groups. These results support the use of dapagliflozin as add-on to insulin, with or without OADs, in this population. PMID- 29215191 TI - Comparison of two different techniques of cooperative learning approach: Undergraduates' conceptual understanding in the context of hormone biochemistry. AB - The purpose of the research was to compare the effects of two different techniques of the cooperative learning approach, namely Team-Game Tournament and Jigsaw, on undergraduates' conceptual understanding in a Hormone Biochemistry course. Undergraduates were randomly assigned to Group 1 (N = 23) and Group 2 (N = 29). Instructions were accomplished using Team-Game Tournament in Group 1 and Jigsaw in Group 2. Before the instructions, all groups were informed about cooperative learning and techniques, their responsibilities in the learning process and accessing of resources. Instructions were conducted under the guidance of the researcher for nine weeks and the Hormone Concept Test developed by the researcher was used before and after the instructions for data collection. According to the results, while both techniques improved students' understanding, Jigsaw was more effective than Team-Game Tournament. (c) 2017 by The International Union of Biochemistry and Molecular Biology, 46(2):114-120, 2018. PMID- 29215192 TI - Forest conversion induces seasonal variation in microbial beta-diversity. AB - World-wide conversion of natural forests to other land uses has profound effects on soil microbial communities. However, how soil microbial beta-diversity responds to land-use change and its driving mechanisms remains poorly understood. In this study, therefore, we examined the effect of forest conversion from native broad-leaved forest to coniferous plantation on soil microbial beta-diversity and its underlying mechanisms in both summer and winter in subtropical China. Microbial communities increasingly differed in structure as geographical distance between them increased, and the slope of the relationship among distances and community similarity differed among forest covers. In general, as with microbial beta-diversity, slopes also shifted across seasons. Finally, null deviations of bacterial and fungal communities were lower in coniferous plantation and presented opposing seasonal variations with greater influences of deterministic processes in summer for soil fungi and in winter for soil bacteria. Integrating previous frameworks with our beta-null model results, we propose a conceptual model to link microbial secondary succession to stochastic/deterministic shifts in forest ecosystems. Overall, forest conversion induced significant increases in stochastic processes in both bacterial and fungal community assemblies. Therefore, our results highlight the importance of spatiotemporal scales to assess the influence of land-use change on microbial beta-diversity. PMID- 29215194 TI - Citrate, low pH and amino acid limitation induce citrate utilization in Lactococcus lactis biovar diacetylactis. AB - In Lactococcus lactis subsp. lactis biovar diacetylactis, citrate transport is facilitated by the plasmid-encoded citrate permease (CitP). In this work, we analysed regulation of citrate utilization by pH, nutrient limitation and the presence of citrate at four different levels: (i) plasmid copy number, (ii) citP transcription, (iii) citP mRNA processing and (iv) citrate utilization capacity. Citrate was supplied as cosubstrate together with lactose. The citP gene is known to be induced in cells grown at low pH. However, we demonstrated that transcription of citP was even higher in the presence of citrate (3.8-fold compared with 2.0-fold). The effect of citrate has been overlooked by other researchers because they determined the effect of citrate using M17 medium, which already contains 0.80 +/- 0.07 mM citrate. The plasmid copy number increased in cells grown under amino acid limitation (1.6-fold) and/or at low pH (1.4-fold). No significant differences in citP mRNA processing were found. Citrate utilization rates increased from approximately 1 to 65 MUmol min-1 gDW-1 from lowest to highest citP expression. Acetoin formation increased during growth in an acidic environment due to induction of the acetoin pathway. Quantification of the relative contributions allowed us to construct a model for regulation of citrate utilization in L. lactis biovar diacetylactis. This knowledge will help to select conditions to improve flavour formation from citrate. PMID- 29215193 TI - Metabolomics of tomato xylem sap during bacterial wilt reveals Ralstonia solanacearum produces abundant putrescine, a metabolite that accelerates wilt disease. AB - Ralstonia solanacearum thrives in plant xylem vessels and causes bacterial wilt disease despite the low nutrient content of xylem sap. We found that R. solanacearum manipulates its host to increase nutrients in tomato xylem sap, enabling it to grow better in sap from infected plants than in sap from healthy plants. Untargeted GC/MS metabolomics identified 22 metabolites enriched in R. solanacearum-infected sap. Eight of these could serve as sole carbon or nitrogen sources for R. solanacearum. Putrescine, a polyamine that is not a sole carbon or nitrogen source for R. solanacearum, was enriched 76-fold to 37 uM in R. solanacearum-infected sap. R. solanacearum synthesized putrescine via a SpeC ornithine decarboxylase. A DeltaspeC mutant required >= 15 uM exogenous putrescine to grow and could not grow alone in xylem even when plants were treated with putrescine. However, co-inoculation with wildtype rescued DeltaspeC growth, indicating R. solanacearum produced and exported putrescine to xylem sap. Intriguingly, treating plants with putrescine before inoculation accelerated wilt symptom development and R. solanacearum growth and systemic spread. Xylem putrescine concentration was unchanged in putrescine-treated plants, so the exogenous putrescine likely accelerated disease indirectly by affecting host physiology. These results indicate that putrescine is a pathogen-produced virulence metabolite. PMID- 29215195 TI - Temporomandibular joint positional change accompanies post-surgical mandibular relapse-A long-term retrospective study among patients who underwent mandibular advancement. AB - OBJECTIVE: This study evaluated the relationship between follow-up temporomandibular joint positional change and mandibular stability among patients who had orthognathic and orthodontic treatment for a skeletal Class II malocclusion. METHODS: Thirty-seven patients who underwent 2-jaw surgery (Le Fort I osteotomy, bilateral sagittal split ramus osteotomy and genioplasty with rigid internal fixation) were included with an average follow-up length of 8.10 +/- 2.06 years. They were categorized into a stable and unstable group according to follow-up mandibular change in the sagittal direction. Temporomandibular joint spaces were measured on serial magnetic resonance images, prior to orthodontic treatment (T0), upon completion of orthodontic treatment following surgery (T1), and at least 5 years post-completion of the treatment (T2). RESULTS: While the maxillary position was stable during the follow-up period, the mandibular positional change was statistically significant (the relapse amount was -0.81 +/- 1.52 mm at B point). An increase in the anterior joint space and superior joint space was found to correlate with the follow-up mandibular backward movement. CONCLUSIONS: Patients who underwent orthognathic and orthodontic treatment to correct mandibular retrognathism displayed follow-up mandibular relapse in the sagittal direction. The relapse is accompanied by condylar positional change. PMID- 29215197 TI - Enrichment of gamma-aminobutyric acid in bean sprouts: Exploring biosynthesis of plant metabolite using common household reagents. AB - The enrichment of plant foods with gamma-aminobutyric acid (GABA) is currently an interesting issue in the field of nutraceuticals and can be used as an experiment for upper-division undergraduate students. Here, an interdisciplinary hands-on experiment to produce GABA-enriched mung bean sprouts using common household reagents is described. Based on the GABA biosynthesis pathways, two key factors, being the availability of l-glutamic acid and the acidification of the germination environment, were chosen for the study of the effects on the enhancement of GABA levels. The activities not only led students to a deeper understanding of biochemistry contents, but also gave the students the opportunity to work with experimental design, analytical chemistry, and statistical data analysis. Furthermore, since mung bean sprouts are familiar foods and the reagents used for germination are easily obtainable and generally recognized as safe, the optimal protocol investigated in the lab could be further applied to the production of bean sprouts with enhanced nutritional values in everyday life, promoting the transfer of knowledge learned in school to practical environments such as home and community. (c) 2017 by The International Union of Biochemistry and Molecular Biology, 46(2):155-161, 2018. PMID- 29215196 TI - Comparison between sodium-glucose cotransporter 2 inhibitors and pioglitazone as additions to insulin therapy in type 2 diabetes patients: A systematic review with an indirect comparison meta-analysis. AB - AIMS/INTRODUCTION: We aimed to evaluate the efficacy and safety of pioglitazone (PIO) and sodium-glucose cotransporter 2 inhibitors (SGLT2i) as additions to insulin therapy for the management of type 2 diabetes mellitus. MATERIALS AND METHODS: We searched PubMed, EMBASE, the Cochrane Central Register of Controlled Trials and ClinicalTrials.gov through December 2016. Randomized controlled trials published in English that compared SGLT2i plus insulin (SGLT2i/INS) or PIO plus insulin (PIO/INS) with placebo plus insulin (PCB/INS) in type 2 diabetes mellitus patients were included. We compared the efficacy and safety between SGLT2i/INS and PIO/INS indirectly. RESULTS: A total of 14 randomized controlled trials comparing 7,226 participants were included (8 SGLT2i and 6 PIO studies). SGLT2i/INS achieved similar reductions in hemoglobin A1c (weighted mean difference [WMD] -0.01% [-0.1 mmol/mol], 95% confidence interval [CI] -0.25 to 0.22% [-2.7 to -2.4 mmol/mol]; P = 0.896) and fasting plasma glucose (WMD -0.90 mg/dL, 95% CI: -15.50 to 13.71 mg/dL; P = 0.904), and a similar proportion of participants achieved hemoglobin A1c <7.0% (<53.0 mmol/mol; relative risk 0.98, 95% CI: 0.73 to 1.33; P = 0.917) as compared with the PIO/INS group, with greater weight reduction (WMD -4.54 kg, 95% CI: -5.67 to -3.41 kg; P < 0.001). PIO/INS showed non-significant trends toward a higher risk of hypoglycemia (relative risk 1.15, 95% CI: 0.97 to 1.35; P = 0.102) and higher reduction of total daily insulin doses (WMD -2.45 IU/day, 95% CI: -7.30 to 2.40 IU/day; P = 0.438). CONCLUSIONS: Both PIO and SGLT2i are feasible adjunctive oral agents to pre existing insulin therapy in individuals with inadequately controlled type 2 diabetes mellitus. PMID- 29215198 TI - Inflammatory signalling regulates eccentric contraction-induced protein synthesis in cachectic skeletal muscle. AB - BACKGROUND: Skeletal muscle responds to eccentric contractions (ECC) with an anabolic response that involves the induction of protein synthesis through the mechanistic target of rapamycin complex 1. While we have reported that repeated ECC bouts after cachexia initiation attenuated muscle mass loss and inflammatory signalling, cachectic muscle's capacity to induce protein synthesis in response to ECC has not been determined. Therefore, we examined cachectic muscle's ability to induce mechano-sensitive pathways and protein synthesis in response to an anabolic stimulus involving ECC and determined the role of muscle signal transducer and activator of transcription 3 (STAT3)/nuclear factor kappa-light chain-enhancer of activated B cells (NFkappaB) signalling on ECC-induced anabolic signalling. METHODS: Mechano-sensitive pathways and anabolic signalling were examined immediately post or 3 h after a single ECC bout in cachectic male ApcMin/+ mice (n = 17; 16 +/- 1% body weight loss). Muscle STAT3/NFkappaB regulation of basal and ECC-induced anabolic signalling was also examined in an additional cohort of ApcMin/+ mice (n = 10; 16 +/- 1% body weight loss) that received pyrrolidine dithiocarbamate 24 h prior to a single ECC bout. In all experiments, the left tibialis anterior performed ECC while the right tibialis anterior served as intra-animal control. Data were analysed by Student's t-test or two-way repeated measures analysis of variance with Student-Newman-Keuls post hoc when appropriate. The accepted level of significance was set at P < 0.05 for all analysis. RESULTS: ApcMin/+ mice exhibited a cachectic muscle signature demonstrated by perturbed proteostasis (Ribosomal Protein S6 (RPS6), P70S6K, Atrogin-1, and Muscle RING-finger protein-1 (MuRF1)), metabolic (adenosine monophosphate-activated protein kinase, Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1alpha), and Cytochrome c oxidase subunit IV (COXIV)), and inflammatory (STAT3, NFkappaB, extracellular signal-regulated kinases 1 and 2, and P38) signalling pathway regulation. Nonetheless, mechano sensitive signalling pathways (P38, extracellular signal-regulated kinases 1 and 2, and Protein kinase B (AKT)) were activated immediately post-ECC irrespective of cachexia. While cachexia did not attenuate ECC-induced P70S6K activation, the protein synthesis induction remained suppressed compared with healthy controls. However, muscle STAT3/NFkappaB inhibition increased basal and ECC-induced protein synthesis in cachectic ApcMin/+ mice. CONCLUSIONS: These studies demonstrate that mechano-sensitive signalling is maintained in cachectic skeletal muscle, but chronic STAT3/NFkappaB signalling serves to attenuate basal and ECC-induced protein synthesis. PMID- 29215199 TI - Neurotrophically Induced Mesenchymal Progenitor Cells Derived from Induced Pluripotent Stem Cells Enhance Neuritogenesis via Neurotrophin and Cytokine Production. AB - Adult tissue-derived mesenchymal stem cells (MSCs) are known to produce a number of bioactive factors, including neurotrophic growth factors, capable of supporting and improving nerve regeneration. However, with a finite culture expansion capacity, MSCs are inherently limited in their lifespan and use. We examined here the potential utility of an alternative, mesenchymal-like cell source, derived from induced pluripotent stem cells, termed induced mesenchymal progenitor cells (MiMPCs). We found that several genes were upregulated and proteins were produced in MiMPCs that matched those previously reported for MSCs. Like MSCs, the MiMPCs secreted various neurotrophic and neuroprotective factors, including brain-derived neurotrophic factor (BDNF), interleukin-6 (IL-6), leukemia inhibitory factor (LIF), osteopontin, and osteonectin, and promoted neurite outgrowth in chick embryonic dorsal root ganglia (DRG) cultures compared with control cultures. Cotreatment with a pharmacological Trk-receptor inhibitor did not result in significant decrease in MiMPC-induced neurite outgrowth, which was however inhibited upon Jak/STAT3 blockade. These findings suggest that the MiMPC induction of DRG neurite outgrowth is unlikely to be solely dependent on BDNF, but instead Jak/STAT3 activation by IL-6 and/or LIF is likely to be critical neurotrophic signaling pathways of the MiMPC secretome. Taken together, these findings suggest MiMPCs as a renewable, candidate source of therapeutic cells and a potential alternative to MSCs for peripheral nerve repair, in view of their ability to promote nerve growth by producing many of the same growth factors and cytokines as Schwann cells and signaling through critical neurotrophic pathways. Stem Cells Translational Medicine 2018;7:45-58. PMID- 29215202 TI - Context-dependent vertical transmission shapes strong endosymbiont community structure in the pea aphid, Acyrthosiphon pisum. AB - Animal-associated microbiomes are often comprised of structured, multispecies communities, with particular microbes showing trends of co-occurrence or exclusion. Such structure suggests variable community stability, or variable costs and benefits-possibilities with implications for symbiont-driven host adaptation. In this study, we performed systematic screening for maternally transmitted, facultative endosymbionts of the pea aphid, Acyrthosiphon pisum. Sampling across six locales, with up to 5 years of collection in each, netted significant and consistent trends of community structure. Co-infections between Serratia symbiotica and Rickettsiella viridis were more common than expected, while Rickettsia and X-type symbionts colonized aphids with Hamiltonella defensa more often than expected. Spiroplasma co-infected with other endosymbionts quite rarely, showing tendencies to colonize as a single species monoculture. Field estimates of maternal transmission rates help to explain our findings: while Serratia and Rickettsiella improved each other's transmission, Spiroplasma reduced transmission rates of co-infecting endosymbionts. In summary, our findings show that North American pea aphids harbour recurring combinations of facultative endosymbionts. Common symbiont partners play distinct roles in pea aphid biology, suggesting the creation of "generalist" aphids receiving symbiont based defence against multiple ecological stressors. Multimodal selection, at the host level, may thus partially explain our results. But more conclusively, our findings show that within-host microbe interactions, and their resulting impacts on transmission rates, are an important determinant of community structure. Widespread distributions of heritable symbionts across plants and invertebrates hint at the far-reaching implications for these findings, and our work further shows the benefits of symbiosis research within a natural context. PMID- 29215203 TI - Analysis of ketamine and xylazine in complex matrices using two-dimensional liquid chromatography/tandem mass spectrometry. AB - RATIONALE: Analyzing tissue samples is routinely performed when liquid biological samples are not available for replicate analysis. Preparing complex matrices, such as tissue, for analysis can be time-consuming. Traditional sample preparation methods typically begin with homogenization followed by a sample clean-up step such as liquid-liquid or solid-phase extraction. Samples are typically eluted, evaporated and reconstituted prior to instrumental analysis. The aim of this project was to evaluate the utility of multi-dimensional chromatography in reducing the amount of time from sample acquisition to analysis. METHODS: Tissue specimens were homogenized using a ceramic beads shaker. Homogenates were then diluted and loaded onto a mixed mode solid-phase sorbent. The sorbent was washed, and the final eluate was transferred directly to vials without evaporation or reconstitution steps. Analysis was performed using a two-dimensional (2D) ultra-performance liquid chromatography (UPLC) configuration with an At-column dilution option coupled to a triple quadrupole mass spectrometer. The target analytes (xylazine and ketamine) were quantified under multiple reaction monitoring (MRM) using electrospray ionization (ESI) in positive mode. RESULTS: The lowest limit of detection evaluated in this study was 0.01 ng/mL. The linear dynamic range utilized was 0.1 to 10 ng/mL. The concentrations for xylazine in their respective tissues ranged from 0 to 0.316 ng/mL. Ketamine concentrations ranged from 0 to 0.905 ng/mL. The overall time for sample preparation was reduced to 30 min. The total run time was 10 min. CONCLUSIONS: The use of multidimensional chromatography with At-column-dilution allows for significant reduction in sample preparation time. The concentrations determined in these samples highlight the need for sensitive analytical techniques with the ability to detect analyte concentrations at sub ng/mL. PMID- 29215200 TI - miR-424-5p reduces ribosomal RNA and protein synthesis in muscle wasting. AB - BACKGROUND: A loss of muscle mass occurs as a consequence of a range of chronic and acute diseases as well as in older age. This wasting results from an imbalance of protein synthesis and degradation with a reduction in synthesis and resistance to anabolic stimulation often reported features. Ribosomes are required for protein synthesis, so changes in the control of ribosome synthesis are potential contributors to muscle wasting. MicroRNAs (miRNAs) are known regulators of muscle phenotype and have been shown to modulate components of the protein synthetic pathway. One miRNA that is predicted to target a number of components of protein synthetic pathway is miR-424-5p, which is elevated in the quadriceps of patients with chronic obstructive pulmonary disease (COPD). METHODS: Targets of miR-424-5p were identified by Argonaute2 pull down, and the effects of the miRNA on RNA and protein expression were determined by quantitative polymerase chain reaction and western blotting in muscle cells in vitro. Protein synthesis was determined by puromycin incorporation in vitro. The miRNA was over-expressed in the tibialis anterior muscle of mice by electroporation and the effects quantified. Finally, quadriceps expression of the miRNA was determined by quantitative polymerase chain reaction in patients with COPD and intensive care unit (ICU)-acquired weakness and in patients undergoing aortic surgery as well as in individuals from the Hertfordshire Sarcopenia Study. RESULTS: Pull-down assays showed that miR-424-5p bound to messenger RNAs encoding proteins associated with muscle protein synthesis. The most highly enriched messenger RNAs encoded proteins required for the Pol I RNA pre-initiation complex required for ribosomal RNA (rRNA) transcription, (PolR1A and upstream binding transcription factor). In vitro, miR-424-5p reduced the expression of these RNAs, reduced rRNA levels, and inhibited protein synthesis. In mice, over-expression of miR-322 (rodent miR-424 orthologue) caused fibre atrophy and reduced upstream binding transcription factor expression and rRNA levels. In humans, elevated miR 424-5p associated with markers of disease severity in COPD (FEV1 %), in patients undergoing aortic surgery (LVEF%), and in patients with ICU-acquired weakness (days in ICU). In patients undergoing aortic surgery, preoperative miR-424-5p expression in skeletal muscle was associated with muscle loss over the following 7 days. CONCLUSIONS: These data suggest that miR-424-5p regulates rRNA synthesis by inhibiting Pol I pre-initiation complex formation. Increased miR-424-5p expression in patients with conditions associated with muscle wasting is likely to contribute to the inhibition of protein synthesis and loss of muscle mass. PMID- 29215204 TI - Titanium Fiber Plates for Bone Tissue Repair. AB - Titanium plates are widely used in clinical settings because of their high bone affinity. However, owing to their high elastic modulus, these plates are not suitable for bone repair since their proximity to the bone surface for prolonged periods can cause stress shielding, leading to bone embrittlement. In contrast, titanium fiber plates prepared by molding titanium fibers into plates by simultaneously applying compression and shear stress at normal room temperature can have an elastic modulus similar to that of bone cortex, and stress shielding will not occur even when the plate lies flush against the bone's surface. Titanium fibers can form a porous structure suitable for cell adhesion and as a bone repair scaffold. A titanium fiber plate is combined with osteoblasts and shown that the titanium fiber plate is better able to facilitate bone tissue repair than the conventional titanium plate when implanted in rat bone defects. Capable of being used in close contact with bone for a long time, and even capable of promoting bone repair, titanium fiber plates have a wide range of applications, and are expected to make great contributions to clinical management of increasing bone diseases, including bone fracture repair and bone regenerative medicine. PMID- 29215205 TI - Bioinspired Flexible and Tough Layered Peptide Crystals. AB - One major challenge of functional material fabrication is combining flexibility, strength, and toughness. In several biological and artificial systems, these desired mechanical properties are achieved by hierarchical architectures and various forms of anisotropy, as found in bones and nacre. Here, it is reported that crystals of N-capped diphenylalanine, one of the most studied self assembling systems in nanotechnology, exhibit well-ordered packing and diffraction of sub-A resolution, yet display an exceptionally flexible nature. To explore this flexibility, the mechanical properties of individual crystals are evaluated, assisted by density functional theory calculations. High-resolution scanning electron microscopy reveals that the crystals are composed of layered self-assembled structures. The observed combination of strength, toughness, and flexibility can therefore be explained in terms of weak interactions between rigid layers. These crystals represent a novel class of self-assembled layered materials, which can be utilized for various technological applications, where a combination of usually contradictory mechanical properties is desired. PMID- 29215206 TI - Once frail, always frail? Frailty transitions in home care users with intellectual and developmental disabilities. AB - AIM: Frailty is understood as a dynamic non-linear process, and used to indicate age-related decline. Recent work has shown that adults with intellectual and developmental disabilities experience higher rates of frailty at much earlier ages than the general population. The present study describes transitions in frailty status (i.e. non-frail, pre-frail, frail) over 1 year, and explores the association between baseline frailty status and worsening/death over time. METHODS: Results are based on secondary analysis of 2893 individuals with intellectual and developmental disabilities receiving community-based home care services in Ontario (Canada). Frailty status is based on a validated 42-item frailty index (FI); where FI <=0.21 indicates non-frail, 0.21 < FI <= 0.3 indicates pre-frail and FI >0.30 indicates frail. Baseline characteristics of frailty groups at baseline were compared using the chi2 -test/analysis of variance. Relative risk of worsening/dying was calculated using a modified Poisson regression model. RESULTS: Initially, 67.0% of participants were non frail, 16.2% were pre-frail and 16.8% were frail. Of those non-frail at baseline, 84.3% remained non-frail, 11.8% worsened and 3.9% died. Among those initially pre frail, 37.0% remained stable, 35.3% improved, 18.2% worsened and 9.6% died. Although similar proportions of frail individuals improved (37.4%) or remained stable (36.8%), 25.9% had died. After controlling for other factors, being pre frail at baseline was associated with an increase in the risk of worsening or death (RR 1.24, 95% CI 1.04-1.49). CONCLUSIONS: While many experience worsening of frailty status, stability and improvement are viable goals of care. Future research should examine the rate at which non-frail, pre-frail and frail individuals accumulate deficits, as well as the impact of home care services on frailty. Geriatr Gerontol Int 2018; 18: 547-553. PMID- 29215207 TI - Integration of Plasmonic Effects and Schottky Junctions into Metal-Organic Framework Composites: Steering Charge Flow for Enhanced Visible-Light Photocatalysis. AB - A wide range of light absorption and rapid electron-hole separation are desired for efficient photocatalysis. Herein, on the basis of a semiconductor-like metal organic framework (MOF), a Pt@MOF/Au catalyst with two types of metal-MOF interfaces integrates the surface plasmon resonance excitation of Au nanorods with a Pt-MOF Schottky junction, which not only extends the light absorption of the MOF from the UV to the visible region but also greatly accelerates charge transfer. The spatial separation of Pt and Au particles by the MOF further steers the formation of charge flow and expedites the charge migration. As a result, the Pt@MOF/Au presents an exceptionally high photocatalytic H2 production rate by water splitting under visible light irradiation, far superior to Pt/MOF/Au, MOF/Au and other counterparts with similar Pt or Au contents, highlighting the important role of each component and the Pt location in the catalyst. PMID- 29215208 TI - Image-guided recording system for spatial and temporal mapping of neuronal activities in brain slice. AB - In this study, we introduce the novel image-guided recording system (IGRS) for efficient interpretation of neuronal activities in the brain slice. IGRS is designed to combine microelectrode array (MEA) and optical coherence tomography at the customized upright microscope. It allows to record multi-site neuronal signals and image of the volumetric brain anatomy in a single body configuration. For convenient interconnection between a brain image and neuronal signals, we developed the automatic mapping protocol that enables us to project acquired neuronal signals on a brain image. To evaluate the performance of IGRS, hippocampal signals of the brain slice were monitored, and corresponding with two dimensional neuronal maps were successfully reconstructed. Our results indicated that IGRS and mapping protocol can provide the intuitive information regarding long-term and multi-sites neuronal signals. In particular, the temporal and spatial mapping capability of neuronal signals would be a very promising tool to observe and analyze the massive neuronal activity and connectivity in MEA-based electrophysiological studies. PMID- 29215209 TI - Letter from Japan. PMID- 29215210 TI - A Comparative Transcriptomics Workflow for Analyzing Microarray Data From CHO Cell Cultures. AB - Microarray-based comparative transcriptomics analysis is a powerful tool to understand therapeutic protein producing mammalian cell lines at the gene expression level. However, an integrated analysis workflow specifically designed for end-to-end analysis of microarray data for CHO cells, the most prevalent host for commercial recombinant protein production, is lacking. To address this gap, an automated data analysis workflow in R that leverages public domain analysis modules is developed to analyze microarray based gene expression data. In addition to testing the global transcriptome differences of CHO cells at different conditions, the workflow identifies differentially expressed genes and pathways with intuitive visualizations as the outputs. The utility of this automated workflow is demonstrated by comparing the transcriptomic profiles of recombinant protein expressing CHO cells with and without a temperature shift. Statistically significant differential expression at the gene, pathway, and global transcriptome levels are identified and visualized. An automated workflow like the one developed in this study will enable rapid translation of CHO culture microarray data into biologically relevant information for mechanism-driven cell line optimization and bioprocess development. PMID- 29215211 TI - A study of hormonal effects in cervical smear samples using Raman spectroscopy. AB - Raman spectroscopy is a powerful tool that has the potential to be used as a screening method for cervical cancer. It is a label-free, low-cost method providing a biochemical fingerprint of a given sample. The objective of this study was to address patient-to-patient variability contributed by hormonal effects due to the menstrual cycle, the use of hormone-based contraceptives (HC) and the onset of menopause, and to determine if these changes would affect the ability to successfully identify dyskaryotic cells. Raman spectra were recorded from unstained ThinPrep cervical samples (45 cytology negative and 15 high-grade dyskaryosis (high-grade squamous intraepithelial lesion, HSIL) samples using a HORIBA Jobin Yvon XploRA system. HPV DNA testing was also performed. Clinical data collected included date of the last menstrual period, the use of HC and/or menopausal status. Spectral changes were observed depending on the day of the menstrual cycle and on the use of HC. Despite this, HSIL could be discriminated from normal cells regardless of the day on which the sample was taken or the use of HC. PMID- 29215212 TI - Enhancement of methane production from 1-hexadecene by additional electron donors. AB - 1-Hexadecene-contaminated wastewater is produced in oil refineries and can be treated in methanogenic bioreactors, although generally at low conversion rates. In this study, a microbial culture able to degrade 1-hexadecene was enriched, and different stimulation strategies were tested for enhancing 1-hexadecene conversion to methane. Seven and three times faster methane production was obtained in cultures stimulated with yeast extract or lactate, respectively, while cultures amended with crotonate lost the ability to degrade 1-hexadecene. Methane production from 1-hexadecene was not enhanced by the addition of extra hydrogenotrophic methanogens. Bacteria closely related to Syntrophus and Smithella were detected in 1-hexadecene-degrading cultures, but not in the ones amended with crotonate, which suggests the involvement of these bacteria in 1 hexadecene degradation. Genes coding for alkylsuccinate synthase alpha-subunit were detected in cultures degrading 1-hexadecene, indicating that hydrocarbon activation may occur by fumarate addition. These findings are novel and show that methane production from 1-hexadecene is improved by the addition of yeast extract or lactate. These extra electron donors may be considered as a potential bioremediation strategy of oil-contaminated sites with bioenergy generation through methane production. PMID- 29215213 TI - Identifying protist consumers of photosynthetic picoeukaryotes in the surface ocean using stable isotope probing. AB - Photosynthetic picoeukaryotes contribute a significant fraction of primary production in the upper ocean. Micromonas pusilla is an ecologically relevant photosynthetic picoeukaryote, abundantly and widely distributed in marine waters. Grazing by protists may control the abundance of picoeukaryotes such as M. pusilla, but the diversity of the responsible grazers is poorly understood. To identify protists consuming photosynthetic picoeukaryotes in a productive North Pacific Ocean region, we amended seawater with living 15 N, 13 C-labelled M. pusilla cells in a 24-h replicated bottle experiment. DNA stable isotope probing, combined with high-throughput sequencing of V4 hypervariable regions from 18S rRNA gene amplicons (Tag-SIP), identified 19 operational taxonomic units (OTUs) of microbial eukaryotes that consumed M. pusilla. These OTUs were distantly related to cultured taxa within the dinoflagellates, ciliates, stramenopiles (MAST-1C and MAST-3 clades) and Telonema flagellates, thus, far known only from their environmental 18S rRNA gene sequences. Our discovery of eukaryotic prey consumption by MAST cells confirms that their trophic role in marine microbial food webs includes grazing upon picoeukaryotes. Our study provides new experimental evidence directly linking the genetic identity of diverse uncultivated microbial eukaryotes to the consumption of picoeukaryotic phytoplankton in the upper ocean. PMID- 29215214 TI - Tiotropium in Early-Stage COPD. PMID- 29215215 TI - Tiotropium in Early-Stage COPD. PMID- 29215216 TI - Tiotropium in Early-Stage COPD. PMID- 29215217 TI - Food Allergy. PMID- 29215218 TI - Use of Liver Imaging and Biopsy in Clinical Practice. PMID- 29215219 TI - Use of Liver Imaging and Biopsy in Clinical Practice. PMID- 29215220 TI - Use of Liver Imaging and Biopsy in Clinical Practice. PMID- 29215221 TI - Thrombophilia Testing and Venous Thrombosis. PMID- 29215222 TI - [PARASITES FAUNA OF THE LAKE KRONOTSKOE CHARRS (SALVELINUS), KAMCHATKA]. AB - The new data on the parasites fauna of the Lake Kronotskoe sympatric charr forms (genusSalvelinus (Nilsson) Richardson, 1836) is presented. Parasites fauna of Bigmouth andSmallmouth charr forms are described for the first time. The information about Longheadcharr, Nosed charr and White charr parasites is added. 29 species of parasites from 9 classeswere found: Oligohymenophorea, Myxosporea, Monogenea, Trematoda, Cestoda, Nematoda,Acantocephala, Crustacea and Hirudinea. Longhead charr was the most intensivelyinfected by Proteocephalus longicollis (Zeder, 1800) (abundance 306.0) and Neoechinorhynchussalmonis Ching, 1984 (abundance 230.0). White charr was mostly infected byCrepidostomum Braun, 1900 (abundance 242.2) and P. longicollis (abundance 183.4). Nosedcharr group that feed on gammarids was infected mostly by Crepidostomum spp.(abundance 3461.3), Cyathocephalus truncatus (Pallas, 1781) (abundance 179.9) and Cystidicolafarionis Fisher, 1798 (abundance 169.0); while Chironomidae consumers groupwas infected mostly by Diplostomum Nordmann, 1832 (abundance 62.3) and Phyllodistomumumblae (Fabricius, 1780) (abundance 27.3). Bigmouth charr was infected mostly byP. longicollis (abundance 17.0) and Eubolhrium salvelini Schrank, 1790 (abundance 11.0),Smallmouth charr form - by P. longicollis (abundance 67.0) and Diplostomum sp. (abundance64.2). Sympatric flock of charrs form the Lake Kronotskoe (Kamchatka) is the mostpolymorphic for the genus Salvelinus in Eurasia. According to the parasitological analysisthis flock consists six ecological forms. PMID- 29215223 TI - [FIRST RECORD OF RHADINORHYNCHUS COLOLABIS (ACANTHOCEPHALA: RHADINORHYNCHIDAE) FROM THE CHERRY SALMON IN THE SEA OF JAPAN]. AB - Drawing, description and characteristics of Rhadinorhynchus cololabis, registered forthe first time from Oncorhynchus masou in the Sea of Japan (northern part of PrimoryeTerritory) are given. Ten species of acanthocephalans from the cherry salmon in the PrimorskyTerritory were recorded. PMID- 29215224 TI - Magnified Bacteria Powerful Motivator for Hand Hygiene Compliance. AB - Infection prevention specialists at Henry Ford Hospital in Detroit have found that showing healthcare workers magnified pictures of bacteria found ontheir hands and in their surrounding units can be a powerful motivator for improved hand hygiene compliance. When tested in four units during a one-month period, the intervention boosted hand hygiene compliance by an average of 24%. Investigators note that to be successful, the intervention must be paired with an effective compliance monitoring program. For the study, investigators visited each unit twice per week, during which they would swab various items as well as employees' hands using and adenosine triphosphate (ATP) meter, a hand-held device that measures living organisms. During each unit visit, infection prevention specialists would show unit personnel pictures from a compilation of 12 magnified images of bacteria that had been lifted from the unit. This was to demonstrate what the bacteria would look like under a microscope. The unsavory pictures produced immediate increases in had hygiene compliance, and prompted healthcare workers to see who could produce the best ATP meter readings on subsequent infection prevention specialist visits. PMID- 29215225 TI - [THE SYSTEM OF XENOBIOTICS BIOTRANSFORMATION OF HELMINTHS. RESEMBLANCE AND DIFFERENSES FROM SIMILAR HOST SYSTEMS (REWEW)]. AB - The three phases system xenobiotic biotransformation in cells as prokaryotes as eukaryoteswas formed during the process of evolution. Clear and managed function of all threelinks of this system guarantee the survival of living organisms at alteration of chemicalcomponent of environment. Oxidation, reduction or hydrolysis of xenobiotics realize inphase I by insertion or opening reactive and hydrophilic groups in structure of drug molecule.In phase II xenobiotics or their metabolites from phase I conjugate with endogeniccompounds, main of there are glutathione, glucuronic acid, amino acids and sulphates.Active transport of substrata, metabolites and conjugates through cell lipid membranesspecial transport proteins carry out (phase III).The system of xenobiotics biotransformation of helminths has essential differencesfrom the same of vertebrate hosts. In particular, parasites do not reveal the activity of primeoxidases of phase I, such as CYP or FMO, in spite of the genes of these enzymes inDNA. As this phenomenon displays mainly in adult helminths, living in guts of vertebrates,then the hypothesis was formulated that this effect is related with adaptation to conditionsof strong deficiency of oxygen, arise in a process of evolution (Kotze et al., 2006).Literature data testify the existence in helminths of unique forms of enzymes of phaseII, the investigation of which present doubtless interest in relation with possible role inadaptation to parasitic mode of life. Notwithstanding that many of helminths GST in greateror lesser degree similar with enzymes of M, P, S and O classes of other organisms, neverthelessthey have essential structural differences as compared with enzymes of hoststhat makes perspective the search of specific anthelminthics vaccines.Transport of xenobiotics is now considered phase III of biotransformation. It wasshown that proteins of this phase (ATP binding cassette transporters (ABC ) of parasites)play a key role in efflux of lipophilic xenobiotics, hydrophilic metabolites and conjugatesand take part in forming of anthelminthics resistance. Some of these transporters, such asP-glycoprotein (Pgp), are important for drug resistance of helminths. In particular, a correlationbetween the level of expression of Pgp and resistance of S. mansoni and F. hepaticato widely used anthelminthics as praziquantel and triclabendazol exist. PMID- 29215226 TI - [HOST SPECIFICITY IN MICROSPORIDIA]. PMID- 29215227 TI - [FLEAS (SIPHONAPTERA) OF MAMMALS AND BIRDS IN THE CISCAUCASIA]. AB - Flea fauna of Ciscaucasia is represented by 76 species, 13 of which are associated withbirds and all the other with mammals. Rodent parasites are most numerous; fleas associatedwith predators, bats and insectivora are less abundant. Fleas parasitize on different speciesof birds of the orders Passeriformes, Anseriformes, Falconiformes, and Strigiformes.Among 41 flea genera known from the Caucasus, species of the genera Amalaraeus, Araeopsylla,Atyphloceras, Caenopsylla, Callopsvlla, Doratopsvlla, Paraneopsvlla, Peromyscopsylla,Phaenopsylla, Tarsopsylla, and Wagnerina are absent in the Ciscaucasia. Onlytwo subendemic species were revealed in this area. Thirty three flea species are distributedover the entire territory; the distribution of other species is limited to landscapes of one ortwo natural areas. PMID- 29215228 TI - The Impact of an HSA-Eligible Health Plan on Health Care Services Use and Spending by Worker Income. PMID- 29215229 TI - [EXPERIENCE IN THE APPLICATION OF DATABASES ON BLOODSUCKING INSECTS IN ZOOLOGICAL STUDIES]. AB - The paper summarizes long-term experience of accumulating and summarizing thefaunistic information by means of separate databases (DB) and information analyticalsystems (IAS), and also prospects of its representation by modern multi user informationalsystems. The experience obtained during development and practical use of thePARHOST1 IAS for the study of the world flea fauna and work with personal databasescreated for the study of bloodsucking insects (lice and blackflies) is analyzed. Researchcollection material on type series of 57 species and subspecies of fleas of the fauna of Russiawas approved as a part of multi user information retrieval system on the web-portal ofthe Zoological Institute of the Russian Academy of Sciences. According former investigations,the system allows depositing the information in the authentic form and performingits gradual transformation, i. e. its unification and structuring. In order to provide continuityof DB refill, the possibility of work of operators with different degree of competenceis provided. PMID- 29215230 TI - What Does Consistent Participation in 401(k) Plans Generate? Changes in 401(k) Plan Account Balances, 2010-2014. PMID- 29215231 TI - Health Savings Account Balances, Contributions, Distributions, and Other Vital Statistics, 2015: Estimates from the EBRI HSA Database. PMID- 29215232 TI - Narrow Provider Networks for Employer Plans. PMID- 29215233 TI - Individual Retirement Account Balances, Contributions, Withdrawals, and Asset Allocation Longitudinal Results 2010-2014: The EBRI IRA Database. PMID- 29215234 TI - How Does the Level of Household Savings Affect Preference for Immediate Annuities? PMID- 29215235 TI - The 2017 Retirement Confidence Survey: Many Workers Lack Retirement Confidence and Feel Stressed About Retirement Preparations. PMID- 29215236 TI - [Effect of intranasally administered glutamate antibodies on the content of excitatory and inhibitory amino acids in the rat's hippocampus and hypothalamus at the combined stress exposure]. AB - Objective. We studied the effect of glutamate antibodies by intranasal administration on the development of stress reactions and aspartate, glycine and taurine content in the brain structures of rats with different initial behavioral activity (active and passive). Methods. Stress caused by placing the animals in the living cell with water (21 degrees S) covered with a grid for 30 min. Glutamate antibodies in a dose of 250 mg/kg in a volume of 10 mkl were administered intranasally to the experimental group of rats immediately after the stress. After 1 h after stress exposure and antibodies administration in all rats was investigated motor activity in the test of the "open field". Amino acids aspartate, glycine and taurine in the brain structures (hippocampus and hypothalamus) were determined by HPLC with fluorescence detection. Results. Combined water-immersion stress caused significant changes in the behavioral activity of rats in the "open field", but a more pronounced decline in the total index were observed in the behaviorally passive group of rats. The stress was accompanied by a change in the content of neurotransmitter amino acids (glycine and taurine) in the hippocampus. The most significant changes in the levels of glycine (decrease) and taurine (an increase) was observed in the hippocampus behaviorally active rats. Glutamate antibodies at a dose of 250 mg/kg administered intranasally immediately after stress exposure prevents the development of behavioral stress reactions and contributed to an increase in the hippocampus the content of glycine and taurine, related to stress-limiting systems. Conclusions. The glutamate antibodies under stress act as endogenous bioregulators and prevent the development of stress reactions. PMID- 29215237 TI - [Age-related changes of the latent period of simple sensorimotor reaction to the light stimuli in both men and women with different body mass index]. AB - The study of the relationship of the latent period of simple sensorimotor reaction to the light stimulus and body mass index (BMI) in males and females aged 30-60 years (n = 507) was done. The boundary between the low (below Me - 1SD) and middle (from Me - 1SD to Me + 1SD) BMI was the value of 22.74 kg/m2, the boundary between the middle and high (above Me + 1SD) BMI - 33.16kg/m2. It is shown thatthere isan increase inthe proportion of people with high BMI with age (faster and more pronounced - in women). Sensorimotor reaction latency to the light stimuli does not change in men, and declines with agein women. However the data obtained indicate that developed with age alimentary obesity does not adversely affect neurophysiological parameters of the sensorimotor reactivity. PMID- 29215238 TI - [Chronic ischemia of the brain: state structurally functional properties of erythrocytes ]. AB - At patients with a chronic ischemia of a brain against an idiopathic hypertensia of the II stage development intra erythrocyte "an oxidative stress", depression of sorption ability of erythrocytes, change in a membrane of cells of a ratio of fractions of lipids due to decrease of the maintenance of glitserophospholipid and a sphingomyelin, augmentation of a lizophosphatidilkholin, cholesterol is taped. Change of presentability of the membranous proteins responsible for structurization and stabilization of a membrane of erythrocytes, a shaping, flexibility of a membrane and an intracellular metabolism is established. The important role of erythrocytes at a chronic ischemia of a brain based on the concept of their participation in a chain of the adaptive mechanisms supporting a homeostasis is noted. PMID- 29215239 TI - Health Plan Switching: A Case Study--Implications for Private- and Public-Health Insurance Exchanges and Increased Health Plan Choice. PMID- 29215240 TI - [Hemoglobin oxygen transport capacity in surgical endotoxicosis ]. AB - In surgical endointoxication hemoglobin oxygen transport capacity of red blood cells (hemoglobin affinity ligands: the ability to bind and release ligands) is reduced and is associated with the severity of endogenous intoxication. Violation of oxygen transport function of hemoglobin at endogenous intoxication is associated with conformational changes of a biomolecule, and its possible influence on reactive oxygen species, which confirmed in experiments in vitro: under the influence of oxygen-iron ascorbate ability of hemoglobin deteriorates. Largely similar structural and functional changes in hemoglobin occur in patients with surgical endotoxicosis. PMID- 29215241 TI - [Chronic exposure to cold is adaptation without stress ]. AB - It has been established that prolonged continuous cold exposure (+4 degrees C for 24 hours/day, four weeks) causes an increase in brown fat weight, hypertrophy of the adrenal gland, spleen and did not affect cortisol and corticosterone levels in the blood serum in rats. Gastric ulcers were not observed in the rats. Chronic intermittent exposure to cold (+4 degrees C, 8 hours/day, 4 weeks) promoted an increase in the weight of brown fat, spleen, kidneys and heart, stomach ulcers and an alteration of cortisol and corticosterone levels were did observed. Short term intermittent exposure to cold (+4 degrees C, 1.5 hours/day, 4 weeks) did not affect the weight of brown fat, but promoted an increases in the weight of body, spleen, kidneys and heart, stomach ulcers were not found, cortisol and corticosterone levels was not changed. PMID- 29215243 TI - My Curtain Call: An inside look at a hospital stay for chest pain. PMID- 29215242 TI - [Expression of vascular endothelial growth factor (VEGF) in uterine tissues as one of the mechanisms of algogenezis in adenomyosis, associated with chronic pelvic pain]. AB - Methods. For morphological studies it were using fragments of walls 60 uterus, received after hysterectomy in patients with pelvic pain on a background of diffuse adenomyosis II-III degree, and 30 uterus of women with painless form of adenomyosis. Expression of vascular endothelial growth factor (VEGF) was measured in endometrial and myometrial tissues using immunohistochemistry. The results showed a significantly higher expression of VEGF in patients with adenomyosis pain phenotype compared to the same in women with silent form in the epithelial cells of ectopic endometrium (14,7 +/- 1,6 vs. 10,7 +/- 1,6%, p<0,01) in the smooth muscle cells of the myometrium (12,6 +/- 1,4 vs. 9,6 +/- 1,2%, p<0,01), in the stromal cells of the myometrium (10,1 +/- 1,9 vs. 7,4 +/- 1,8%, p <0,01). PMID- 29215244 TI - [Hypolipidemic activity of N-cholinergic antagonist Benzohexonium in the experiments ]. AB - Methods: Experiments were carried out on outbred albino male rats (n = 150, 230 250 g). For modeling dislipoproteinemia (DLP) we used 3 models: single intraperitoneal injection of the detergent triton WR-1339; administration of ethanol; maintenance on a special hypercholesterolaemic diet (HD) during 21 days. Animals were divided into four groups: normal control, model group, gemfibrozil (Gfb) group, benzohexonium (Benz) group. Rats received per os benzohexonium (20mg/kg), reference drug gemfibrozil (50 mg/kg). We determined content of total cholesterol (TCh), triglycerides (TG) in samples of blood serum and liver, TCh in aorta. TCh, TG and Ch-HDL were analyzed spectrophotometrically using of standardized methods. Results: Compared with model group the contents of TCh, TG in serum and liver were significantly decreased in model + Benz group, whereas Ch HDL was raised in rats fed special HD (P<0.05). Calculated index of atherogenity (TCh - Ch-HDL) / (Ch-HDL) showed the positive effect. Conclusion: The results obtained were shown the hypolipidemic activity of N-cholinergic antagonist Benzohexonium (20 mg/kg) lowered the content of lipids in blood, liver, and aorta. PMID- 29215245 TI - A Chief's Worst Day: Director of Hamilton County EMS reviews school bus rollover MCI. PMID- 29215246 TI - [The role of inflammatory and immune reactivity in developing pain in adenomyosis ]. AB - Objective: to analyze the role of inflammatory and immune reactivity in the development of adenomyosis and its associated pain. Methods. For morphological studies it were using fragments of walls of 56 uterus received after hysterectomy in patients with pelvic pain on a background of diffuse adenomyosis II-III degree, and 30 patients with painless form of adenomyosis. To identify, evaluate the amount and spatial distribution of macrophages, T-helper cells and natural killer cells it was using MAbs to CD68, CD4, CD56 respectively. The results of the study showed a significantly high expression of CD68 (49,3 +/- 2,3 vs. 21,2 +/- 1,7 conv. units, p<0,01), CD56 (47,4 +/- 2,7 vs. 17.2 +/- 1.8 conv. units, p<0,01, p<0,05) and CD4 (52,1 +/- 2,2 vs. 19,9 +/- 2,5 conv. units, p<0,01) in patients with painful form of adenomyosis in the regions of ectopic endometrium and in the regions of perivascular growth in myometrium compared to those areas in women with painless adenomyosis. Conclusions: Adenomyosis is a chronic inflammatory disease accompanied by dysfunction of the uterine immune reactivity. Inflammatory and immune processes in the uterus with adenomyosis contribute to the persistence and growth of endometrial implants. In adenomyosis, associated with chronic pelvic pain syndrome, there is increase in the number of activated macrophages, natural killer cells and T-helper cells in the perivascular regions and in areas of remodeling of the myometrium are carriers of the nerves, which leads to increased neurogenic inflammation and sensitivity of nociceptors, activation of peripheral nerve fibers and the generation of pain. PMID- 29215247 TI - Red Lights and Siren: High risk, high liability, little reward. PMID- 29215248 TI - [Systemic errors in the estimation of systemic arterial pressure via transfer functions after experimental changes of the circulating blood volume]. AB - The results of the experimental studies reveal the decrease of vascular rigidity with the increase of systemic error of the arterial pressure values estimated via implication of transfer functions following haemorrhage modeling in rats. Compensation of the circulating blood volume by means of dextran infusion resulted in restoration of both vascular rigidity and systemic error of estimated arterial pressure. The results can be put into medical practice as an approach for testing of non-invasive methods in cardiovascular research. PMID- 29215249 TI - [The role of lipoprotein-associated enzyme paraoxonase 1 and its polymorphisms in the pathogenesis of endothelial dysfunction and somatic complications in patients with alcoholism: Review ]. AB - A review of recent data on the role of the multifunctional enzyme, associated with high density lipoproteins - paraoxonase 1 (PON1) in maintaining healthy endothelial function by detoxifying both oxidized low density lipoproteins and homocysteine thiolactone. The additional contribution to the protection of the endothelium against damage makes organophosphatase activity of PON1 involved in the detoxification products of tobacco smoke. The reduction of antioxidant activity of PON1 promotes the differentiation of monocytes into macrophages and the development of inflammation. The reduction of thiolactonase activity of PON1 is accompanied by a decrease of methionine re-synthesis from homocysteine causing DNA- hypomethylation and alteratioin of the expression patterns of pro- and anti atherogenic genes. Global hypomethylation of the genome is regarded as one of the three most important mechanisms of the increased risk of somatic complications of alcoholism. The accumulation of homocysteine thiolactone serving agonist of glutamate receptors and antagonist of dopamine receptors is a prerequisite to increased alcohol abuse. Clinical observations focusing on gene polymorphisms of PON indicate that three different genotypes of polymorphism PON1Q192R have unequal degrees atheroprotective properties. PMID- 29215250 TI - [Macrophage activation in atherosclerosis. Message 2. Effects of factors on macrophage activation]. AB - In atherosclerosis, macrophages demonstrate phenotypic plasticity to rapidly adjust to changing microenvironmental conditions. In the plaque, serum lipids, serum lipoproteins and various pro- or anti-inflammatory stimuli such as cytokines, chemokines and small bioactive molecules could greatly influence the macrophage phenotype inducing switch towards more proinflammatory or anti inflammatory properties. Dynamic plasticity of macrophages is achieved by up regulation and down-regulation of overlapping set of transcription factors that drive macrophage polarization. Understanding of mechanisms of macrophage plasticity and resolving functional characteristics of distinct macrophage phenotypes should help in the development of new strategies for treatment of chronic inflammation in cardiovascular disease. PMID- 29215251 TI - [Modern methods of diagnosis dyslipidemia ]. AB - Dyslipidemia is abnormalities of lipid and lipoprotein metabolism. Most dyslipidemias are hyperlipidemias; that is an abnormally high level of lipids and/or lipoproteins in the blood. Lipid and lipoprotein abnormalities are common in the general population, and are regarded as a modifiable risk factor for cardiovascular disease due to their influence on atherosclerosis. Primary dyslipidemia is usually due to genetic causes, while secondary dyslipidemia arises due to other underlying causes such as diabetes mellitus. Thus, dyslipidemia is an important factor in the development of atherosclerosis and cardiovascular diseases therefore, it is important to diagnose it in time. This review focuses on the modern methods of diagnosis of dyslipidemia. PMID- 29215252 TI - [Current status of vascular remodeling and angiogenesis in chronic liver diseases]. AB - The review focuses on the analysis of researches on the pathophysiology of liver vascular bed, mesenteric vessels, as well as the characteristics of angiogenesis in CLD. The results of this review shows that one of the most important areas of research is soluble vascular endothelial growth factor receptors, disclosing their importance for prognosis and treatment of diseases that occur with severe disorders of angiogenesis, including in CLD. PMID- 29215253 TI - [Melatonin as a universal modulator of any pathological processes ]. AB - In paper reviewed own and numerous literary data about of universal modulated and limited influences of melatonin, which produced by pineal gland and peripheral tissues cells, on any pathological processes in the cerebral brain and internal organs. Cellular and systemic mechanisms of its protective and modulated properties were observed. PMID- 29215254 TI - Boerhaave's : Providers challenged by patient in compensatory stage of shock. PMID- 29215255 TI - [Applying HIFU for the obliteration of the veins in the experiment ]. AB - The effect of high-intensity focused ultrasound (HIFU) on venous wall structure was studied in the rabbit model. Special setup was developed for ultrasound generation and vessel targeting. Methods. The essential part of the setup is spherical focusing power irradiator with following characteristics: power supply voltage of 25 V, frequency of 1.9 MHz, ultrasound intensity in the focal spot ~8.7 kW/cm2. Results. Single 15-s exposure of the femoral vein to HIFU resulted in partial desquamation of the endothelium, vacuolization of myocyte cytoplasm, misarrangement and coagulation of collagen fibers. Pulsed HIFU (5 pulses for 5 s each) caused protein coagulation in all layers of venous wall (v. cava posterior) as well as the appearance of the areas of fibrinoid necrosis, severe endothelial desquamation, and intimal detachment. HIFU-induced collagen structural changes in media and adventitia of the vein suggest that HIFU exposure resulted in local temperature increase up to ~60 degrees S. In some experiments, adjacent to the vein muscles were also exposed to HIFU. In this case, edema of the interstitium and muscle fibers was registered, as well as fragmentation and coagulation of some fibers, altered staining patterns and neutrophil infiltration. These changes could be attributed to the development of acute muscle injury (acute fasciitis). Perivascular adipose tissue also demonstrated edema and lipolysis, red blood cell diapedesis, and leukocyte infiltration. Conclusion. The observations on structural changes in the venous wall after HIFU exposure could lay the ground for future experiments on HIFU - mediated obliteration. PMID- 29215256 TI - [Registration of the protein in the serum with a field-effect nanotransistor biosensor]. AB - A method for detection of cancer-associated protein D-NFATc1 in serum using nanowire (NW) biosensor based on field-effect nanotransistor is developed. Field effect nanotransistor was fabricated on the basis of "silicon-on-insulator" structures. For the biospecific detection of target protein, the NW surface was modified with aptamers against the target protein. Using the 3 um-NW enabled to obtain stable source-drain characteristics and to register D-NFATc1 in serum at concentration of 2.5 x 1014 M in the mode of drain-source current vs. gate voltage characteristics measurements. Data collection in the mode of drain-source current vs. gate voltage characteristics measurements was carried out with the use of high-speed data collection system running TURBO NBS software. PMID- 29215257 TI - Starting Points: Integrating simulation into EMS education. PMID- 29215258 TI - Plasma-Functionalized Solution: A Potent Antimicrobial Agent for Biomedical Applications from Antibacterial Therapeutics to Biomaterial Surface Engineering. AB - Deadly diseases caused by pathogenic bacteria and viruses have increasingly victimized humans; thus, the importance of disinfection has increased in medical settings as well as in food and agricultural industries. Plasma contains multiple bactericidal agents, including reactive species, charged particles, and photons, which can have synergistic effects. In particular, the chemicals formed in aqueous solution during plasma exposure have the potential for high antibacterial activity against various bacterial infections. Here, we report the antibiotic potency of plasma-treated water (PTW). To illustrate the applicability of PTW for disinfecting biological substances, an Escherichia coli biofilm was used. We sought to identify the chemical species in PTW and investigate their separate effects on biofilm removal. Dielectric barrier discharge in ambient air was used to prepare the PTW and treat the biofilm directly. Hydrogen peroxide, ozone, and nitrites were identified as the long-lived reactive species in the PTW, whereas hydroxyl radicals and superoxide anions were identified as the short-lived reactive species in the PTW; all these species showed an ability to disinfect in biofilm removal. PMID- 29215259 TI - Novel Flexible Transparent Conductive Films with Enhanced Chemical and Electromechanical Sustainability: TiO2 Nanosheet-Ag Nanowire Hybrid. AB - Flexible transparent conductive films (TCFs) of TiO2 nanosheet (TiO2 NS) and silver nanowire (Ag NW) network hybrid were prepared through a simple and scalable solution-based process. The as-formed TiO2 NS-Ag NW hybrid TCF shows a high optical transmittance (TT: 97% (90.2% including plastic substrate)) and low sheet resistance (Rs: 40 Omega/sq). In addition, the TiO2 NS-Ag NW hybrid TCF exhibits a long-time chemical/aging and electromechanical stability. As for the chemical/aging stability, the hybrid TCF of Ag NW and TiO2 NS reveals a retained initial conductivity (DeltaRs/Rs < 1%) under ambient oxidant gas over a month, superior to that of bare Ag NW (DeltaRs/Rs > 4000%) or RuO2 NS-Ag NW hybrid (DeltaRs/Rs > 200%). As corroborated by the density functional theory simulation, the superb chemical stability of TiO2 NS-Ag NW hybrid is attributable to the unique role of TiO2 NS as a barrier, which prevents Ag NW's chemical corrosion via the attenuated adsorption of sulfidation molecules (H2S) on TiO2 NS. With respect to the electromechanical stability, in contrast to Ag NWs (DeltaR/R0 ~ 152.9%), our hybrid TCF shows a limited increment of fractional resistivity (DeltaR/R0 ~ 14.4%) after 200 000 cycles of the 1R bending test (strain: 6.7%) owing to mechanically welded Ag NW networks by TiO2 NS. Overall, our unique hybrid of TiO2 NS and Ag NW exhibits excellent electrical/optical properties and reliable chemical/electromechanical stabilities. PMID- 29215260 TI - Interfacial Adsorption of Monoclonal Antibody COE-3 at the Solid/Water Interface. AB - Spectroscopic ellipsometry (SE) and neutron reflection (NR) data for the adsorption of a monoclonal antibody (mAb, termed COE-3, pI 8.44) at the bare SiO2/water interface are compared here to the simulations based on Derjaguin Landau-Verwey-Overbeek theory. COE-3 adsorption was characterized by an initial rapid increase in the surface-adsorbed amount (Gamma) followed by a plateau. Only the initial rate of the increase in Gamma was strongly correlated with the bulk concentration (0.002-0.2 mg/mL), with Gamma at the plateau being about 2.2 mg/m2 (pH 5.5). Simulations captured COE-3 adsorption at equilibrium most accurately, the point at which the outgoing flux of molecules within the adsorbed plane matched the adsorption flux. Increasing the buffer pH from 5.5 to 9 increased Gamma at equilibrium to ~3 mg/m2 (0.02 mg/mL COE-3), revealing a dominant role for lateral repulsion between adsorbed mAb molecules. In contrast, increasing the buffer ionic strength (pH 6) reduced Gamma, which was captured by simulations accounting for electrostatic screening by ions, in addition to mAb/SiO2 attractive forces and lateral repulsion. NR data at the same bulk concentrations corroborated the SE data, albeit with slightly higher Gamma due to longer adsorption times for data acquisition; for example, at pH 9, Gamma was 3.6 mg/m2 (0.02 mg/mL COE-3), equivalent to a relatively high volume fraction of 0.5. An adsorbed monolayer with a thickness of 50-52 A was consistently determined by NR, corresponding to the short axial lengths of fragment antigen-binding and fragment crystallization and implying minimal structural perturbation. Thus, the simulations enabled a mechanistic interpretation of the experimental data of mAb adsorption at the SiO2/water interface. PMID- 29215261 TI - An Interface Equilibria-Triggered Time-Dependent Diffusion Model of the Boundary Potential and Its Application for the Numerical Simulation of the Ion-Selective Electrode Response in Real Systems. AB - A simple dynamic model of the phase boundary potential of ion-selective electrodes is presented. The model is based on the calculations of the concentration profiles of the components in membrane and sample solution phases by means of the finite difference method. The fundamental idea behind the discussed model is that the concentration gradients in both membrane and sample solution phases determine only the diffusion of the components inside the corresponding phases but not the transfer across the interface. The transfer of the components across the interface at any time is determined by the corresponding local interphase equilibria. According to the presented model, each new calculation cycle begins with the correction of the components' concentrations in the near-boundary (first) layers of the membrane and solution, based on the constants of the interphase equilibria and the concentrations established at a given time as a result of diffusion. The corrected concentrations of the components in the boundary layers indicate the start of a new cycle every time with respect to the calculations of diffusion processes inside each phase from the first layer to the second one, and so on. In contrast to the well-known Morf's model, the above-mentioned layers do not comprise an imaginary part and are entirely localized in the corresponding phases, and this allows performing the calculations of the equilibrium concentrations by taking into account material balance for each component. The model remains operational for any realistic scenarios of the electrode functioning. The efficiency and predictive ability of the proposed model are confirmed by comparing the results of calculations with the experimental data on the dynamics of the potential change of a picrate-selective electrode in nitrate solutions when determining the selectivity coefficients using the methods recommended by IUPAC. PMID- 29215262 TI - Ultrasensitive Electroanalysis: Femtomolar Determination of Lead, Cobalt, and Nickel. AB - We demonstrate the feasibility of attaining femtomolar limits of quantitation in electroanalysis. The method employed is based on electrocatalytic amplification, where small quantities of metal deposit performed on a carbon electrode causes a large increase in the observed current, for example, for the oxidation of water. We show calibration curves at the femtomolar level for cobalt, nickel, and lead ions on carbon ultramicroelectrodes (CUMEs), ca. 500 nm radii. The CUME was biased at a potential where the ion would deposit as the metal oxide, MOx, and a high concentration of species that is oxidized at the deposit is present in solution. Blips were observed in the amperometric i-t response, and their frequency scaled linearly with the concentration of ions at the femtomolar level. From these results, the limits of quantitation for cobalt, nickel, and lead ions were reported at 10 s of femtomolar level for the first time. PMID- 29215264 TI - Tuning Bacterial Attachment and Detachment via the Thickness and Dispersity of a pH-Responsive Polymer Brush. AB - We investigated the effect of two brush parameters, thickness and dispersity in the molecular weight distribution, on the adhesion of bacteria to pH-responsive poly(acrylic acid) (PAA) brushes synthesized using surface-initiated atom transfer radical polymerization. The attachment and detachment of Staphylococcus epidermidis to PAA brushes at pH 4 and pH 9, respectively, were examined with confocal microscopy. An optimal range of brush thickness, 13-18 nm, was identified for minimizing bacterial adhesion on PAA brushes at pH 4, and bacterial attachment did not depend on the brush dispersity. Increasing either the brush thickness or dispersity detached bacteria from the brushes when the pH was increased from 4 to 9. Bacterial detachment likely arose from an enhanced actuation effect in thick or high-dispersity brushes, as PAA brushes change conformation from collapsed to extended states when the pH is increased from 4 to 9. These results suggest that manipulating the molecular weight distribution provides a route to separately tune the attachment and detachment of bacteria. PMID- 29215263 TI - Library-to-Library Synthesis of Highly Substituted alpha-Aminomethyl Tetrazoles via Ugi Reaction. AB - alpha-Aminomethyl tetrazoles, recently made accessible by an Ugi multicomponent reaction (MCR), were shown to be excellent starting materials for a further Ugi MCR, yielding substituted N-methyl-2-(((1-methyl-1H-tetrazol-5 yl)methyl)amino)acetamides having four points of diversity in a library-to library approach. The scope and limitations of the two-step sequence was explored by conducting more than 50 reactions. Irrespective of electron-rich and electron deficient oxo-components and the nature of the isocyanide component, the reactions give excellent yields. Sterically less hindered alpha-aminomethyl tetrazoles give better yields of in further Ugi MCR. The target scaffold has four points of diversity and is finding applications to fill screening decks for high throughput screening (HTS) in the European Lead Factory and in structure-based drug design. PMID- 29215265 TI - Probing Nanoparticle Plasmons with Electron Energy Loss Spectroscopy. AB - Electron energy loss spectroscopy (EELS) performed in a scanning transmission electron microscope (STEM) has demonstrated unprecedented power in the characterization of surface plasmons. The subangstrom spatial resolution achieved in EELS and its capability of exciting the full set of localized surface plasmon resonance (LSPR) modes supported by a metallic nanostructure makes STEM/EELS an ideal tool in the study of LSPRs. The plasmonic properties characterized using EELS can be associated with geometric or structural features collected simultaneously in a STEM to achieve a deeper understanding of the plasmonic response. In this review, we provide the reader a thorough experimental description of EELS as a LSPR characterization tool and summarize the exciting recent progress in the field of STEM/EELS plasmon characterization. PMID- 29215268 TI - Photodecomposition of Metal Nitrate and Chloride Compounds Yields Amorphous Metal Oxide Films. AB - UV light is found to trigger the decomposition of MClx or M(NO3)x (where M = Fe, Co, Ni, Cu, or Zn) to form uniform, amorphous films of metal oxides. This process does not elevate the temperature of the substrate and thus conformal films can be coated on a range of substrates, including rigid glass and flexible plastic. The formation of the oxide films were confirmed by a combination of powder X-ray diffraction, X-ray photoelectron spectroscopy, X-ray fluorescence spectroscopy, Fourier transform infrared spectroscopy and scanning electron microscopy techniques. Amorphous oxide films of iron, nickel and a combination of iron and nickel demonstrated oxygen evolution reaction electrocatalytic activities commensurate with films of the same compositions prepared by widely used electrodeposition and sputtering methods. These results illuminate a potential route to amorphous oxides at scale using simple metal precursors without vacuum or heat. PMID- 29215267 TI - New Structural Insights into Formation of the Key Actin Regulating WIP-WASp Complex Determined by NMR and Molecular Imaging. AB - Wiskott-Aldrich syndrome protein (WASp) is exclusively expressed in hematopoietic cells and responsible for actin-dependent processes, including cellular activation, migration, and invasiveness. The C-terminal domain of WASp Interacting Protein (WIP) binds to WASp and regulates its activity by shielding it from degradation in a phosphorylation dependent manner as we previously demonstrated. Mutations in the WAS-encoding gene lead to the primary immunodeficiencies Wiskott-Aldrich syndrome (WAS) and X-linked thrombocytopenia (XLT). Here, we shed a first structural light upon this function of WIP using nuclear magnetic resonance (NMR) and in vivo molecular imaging. Coexpression of fragments WASp(20-158) and WIP(442-492) allowed the purification and structural characterization of a natively folded complex, determined to form a characteristic pleckstrin homology domain with a mixed alpha/beta-fold and central two-winged beta-sheet. The WIP-derived peptide, unstructured in its free form, wraps around and interacts with WASp through short structural elements. Forster resonance energy transfer (FRET) and biochemical experiments demonstrated that, of these elements, WIP residues 454-456 are the major contributor to WASp affinity, and the previously overlooked residues 449-451 were found to have the largest effect upon WASp ubiquitylation and, presumably, degradation. Results obtained from this complementary combination of technologies link WIP-WASp affinity to protection from degradation. Our findings about the nature of WIP.WASp complex formation are relevant for ongoing efforts to understand hematopoietic cell behavior, paving the way for new therapeutic approaches to WAS and XLT. PMID- 29215266 TI - Use of Phenoxyaniline Analogues To Generate Biochemical Insights into the Interactio n of Polybrominated Diphenyl Ether with CYP2B Enzymes. AB - Human hepatic cytochromes P450 (CYP) are integral to xenobiotic metabolism. CYP2B6 is a major catalyst of biotransformation of environmental toxicants, including polybrominated diphenyl ethers (PBDEs). CYP2B substrates tend to contain halogen atoms, but the biochemical basis for this selectivity and for species specific determinants of metabolism has not been identified. Spectral binding titrations and inhibition studies were performed to investigate interactions of rat CYP2B1, rabbit CYP2B4, and CYP2B6 with a series of phenoxyaniline (POA) congeners that are analogues of PBDEs. For most congeners, there was a <3-fold difference between the spectral binding constants (KS) and IC50 values. In contrast, large discrepancies between these values were observed for POA and 3-chloro-4-phenoxyaniline. CYP2B1 was the enzyme most sensitive to POA congeners, so the Val-363 residue from that enzyme was introduced into CYP2B4 or CYP2B6. This substitution partially altered the protein-ligand interaction profiles to make them more similar to that of CYP2B1. Addition of cytochrome P450 oxidoreductase (POR) to titrations of CYP2B6 with POA or 2'4'5'TCPOA decreased the affinity of both ligands for the enzyme. Addition of cytochrome b5 to a recombinant enzyme system containing POR and CYP2B6 increased the POA IC50 value and decreased the 2'4'5'TCPOA IC50 value. Overall, the inconsistency between KS and IC50 values for POA versus 2'4'5'TCPOA is largely due to the effects of redox partner binding. These results provide insight into the biochemical basis of binding of diphenyl ethers to human CYP2B6 and changes in CYP2B6-mediated metabolism that are dependent on POA congener and redox partner identity. PMID- 29215269 TI - Lanthanum-Based Metal-Organic Frameworks for Specific Detection of Sudan Virus RNA Conservative Sequences down to Single-Base Mismatch. AB - Reactions of La(NO3)3.6H2O with the polar, tritopic quaternized carboxylate ligands N-carboxymethyl-3,5-dicarboxylpyridinium bromide (H3CmdcpBr) and N-(4 carboxybenzyl)-3,5-dicarboxylpyridinium bromide (H3CbdcpBr) afford two water stable metal-organic frameworks (MOFs) of {[La4(Cmdcp)6(H2O)9]}n (1, 3D) and {[La2(Cbdcp)3(H2O)10]}n (2, 2D). MOFs 1 and 2 absorb the carboxyfluorescein (FAM) tagged probe DNA (P-DNA) and quench the fluorescence of FAM via a photoinduced electron transfer (PET) process. The nonemissive P-DNA@MOF hybrids thus formed in turn function as sensing platforms to distinguish conservative linear, single stranded RNA sequences of Sudan virus with high selectivity and low detection limits of 112 and 67 pM, respectively (at a signal-to-noise ratio of 3). These hybrids also exhibit high specificity and discriminate down to single-base mismatch RNA sequences. PMID- 29215270 TI - Microporous Cobalt(II)-Organic Framework with Open O-Donor Sites for Effective C2H2 Storage and C2H2/CO2 Separation at Room Temperature. AB - The self-assembly of a bifunctional organic ligand with a formate-bridged rod shaped secondary building unit leads to a new microporous metal-organic framework (MOF). This MOF shows a moderately high C2H2 storage capacity (145 cm3/g) and an excellent adsorption selectivity for C2H2/CO2 (11) at room temperature. Furthermore, its discriminatory sorption behavior toward C2H2 and CO2 was probed by computational analysis in detail. PMID- 29215271 TI - High Proton Conduction in Crystalline Composites Based on Preyssler-Type Polyoxometalates and Polymers under Nonhumidified or Humidified Conditions. AB - Keggin-type polyoxometalate (POM)-based compounds have long been considered as one of the environmentally friendly candidates of solid electrolytes exhibiting high proton conductivity under high relative humidity (RH >95%). However, their application has been limited by the lack of structural stability and large decrease in conductivity with a slight decrease in RH. In order to overcome these disadvantages, we report a series of crystalline composites based on Preyssler type POMs ([Na(H2O)P5W30O110]14-, [Bi(H2O)P5W30O110]12-), which are known to show higher acidity in comparison to Keggin-type POMs, and polymers (polyethylene glycol (PEG), polyallylamine (PAA)). Electrostatic interactions between POMs and polymers contribute to enhance the structural stability, and it has been widely known that polymer electrolytes promote cation transport via segmental motion of the polymer chain. In the crystalline composites, K+ acts as a linker to connect the POMs three-dimensionally, resulting in an all-inorganic framework, and polymers and waters of crystallization reside in the framework. The composites with PEG exhibit moderate proton conductivities of 10-4 S cm-1 under nonhumidified (RH <10%) and low-temperature (<368 K) conditions by the aid of segmental motion of PEG. The composite with PAA exhibits a high proton conductivity of 10-3 S cm-1 under humidified (RH 75%) and low-temperature (<338 K) conditions. PMID- 29215272 TI - Expanded Helicenes: A General Synthetic Strategy and Remarkable Supramolecular and Solid-State Behavior. AB - A divergent synthetic strategy allowed access to several members of a new class of helicenes, the "expanded helicenes", which are composed of alternating linearly and angularly fused rings. The strategy is based on a three-fold, partially intermolecular [2+2+n] (n = 1 or 2) cycloaddition with substrates containing three diyne units. Investigation of aggregation behavior, both in solution and in the solid state, revealed that one of these compounds forms an unusual homochiral, pi-stacked dimer via an equilibrium that is slow on the NMR time scale. The versatility of the method was harnessed to access a selenophene annulated expanded helicene that, in contrast to its benzannulated analogue, exhibits long-range pi-stacking in the solid state. The new helicenes possess low racemization barriers, as demonstrated by dynamic 1H NMR spectroscopy. PMID- 29215273 TI - Marine Natural Product Honaucin A Attenuates Inflammation by Activating the Nrf2 ARE Pathway. AB - The cyanobacterial marine natural product honaucin A inhibits mammalian innate inflammation in vitro and in vivo. To decipher its mechanism of action, RNA sequencing was used to evaluate differences in gene expression of cultured macrophages following honaucin A treatment. This analysis led to the hypothesis that honaucin A exerts its anti-inflammatory activity through activation of the cytoprotective nuclear erythroid 2-related factor 2 (Nrf2)-antioxidant response element/electrophile response element (ARE/EpRE) signaling pathway. Activation of this pathway by honaucin A in cultured human MCF7 cells was confirmed using an Nrf2 luciferase reporter assay. In vitro alkylation experiments with the natural product and N-acetyl-l-cysteine suggest that honaucin A activates this pathway through covalent interaction with the sulfhydryl residues of the cytosolic repressor protein Keap1. Honaucin A presents a potential therapeutic lead for diseases with an inflammatory component modulated by Nrf2-ARE. PMID- 29215274 TI - Cry11Aa Interacts with the ATP-Binding Protein from Culex quinquefasciatus To Improve the Toxicity. AB - Cry11Aa displays high toxicity to the larvae of several mosquito species, including Aedes, Culex, and Anopheles. To study its binding characterization against Culex quinquefasciatus, Cry11Aa was purified and western blot results showed that Cry11Aa could bind successfully to the brush border membrane vesicles. To identify Cry11Aa-binding proteins in C. quinquefasciatus, a biotin based protein pull-down experiment was performed and seven Cry11Aa-binding proteins were isolated from the midgut of C. quinquefasciatus larvae. Analysis of liquid chromatography-tandem mass spectrometry showed that one of the Cry11Aa binding proteins is the ATP-binding domain 1 family member B. To investigate its binding property and effect on the toxicity of Cry11Aa, western blot, far-western blot, enzyme-linked immunosorbent assay, and bioassays of Cry11Aa in the presence and absence of the recombinant ATP-binding protein were performed. Our results showed that the ATP-binding protein interacted with Cry11Aa and increased the toxicity of Cry11Aa against C. quinquefasciatus. Our study suggests that midgut proteins other than the toxin receptors may modulate the toxicity of Cry toxins against mosquitoes. PMID- 29215275 TI - X-Shaped Oligomeric Pyromellitimide Polyradicals. AB - The synthesis of stable organic polyradicals is important for the development of magnetic materials. Herein we report the synthesis, isolation, and characterization of a series of X-shaped pyromellitimide (PI) oligomers (Xn-R, n = 2-4, R = Hex or Ph) linked together by single C-C bonds between their benzenoid cores. We hypothesize that these oligomers might form high-spin states in their reduced forms because of the nearly orthogonal conformations adopted by their PI units. 1H and 13C nuclear magnetic resonance (NMR) spectroscopies confirmed the isolation of the dimeric, trimeric, and tetrameric homologues. X-ray crystallography shows that X2-Ph crystallizes into a densely packed superstructure, despite the criss-crossed conformations adopted by the molecules. Electrochemical experiments, carried out on the oligomers Xn-Hex, reveal that the reductions of the PI units occur at multiple distinct potentials, highlighting the weak electronic coupling between the adjacent redox centers. Finally, the chemically generated radical anion and polyanion states, Xn-Hex*- and Xn-Hexn(* ), respectively, were probed extensively by UV-vis-NIR absorption, EPR, and electron nuclear double resonance (ENDOR) spectroscopies. The ENDOR spectra of the radical monoanions Xn-Hex*- reveal that the unpaired electron is largely localized on a single PI unit. Further reductions of Xn-Hex*- yield EPR signals (in frozen solutions) that can be assigned to spin-spin interactions in X2-Hex2(* ), X3-Hex3(*-), and X4-Hex4(*-). Taken together, these findings demonstrate that directly linking the benzene rings of PIs with a single C-C bond is a viable method for generating stabilized high-spin organic anionic polyradicals. PMID- 29215276 TI - Removal of Nerve Agent Simulants from Water Using Light-Responsive Molecular Baskets. AB - We found that molecular baskets 1-3, with amino acids at their rim, undergo photoinduced decarboxylations to give baskets 4-6 forming a solid precipitate in water. Furthermore, organophosphonates 7-9 (OP), akin in size and shape to G-type nerve agents, form inclusion complexes with baskets 1-3 (K = 6-2243 M-1). Light irradiation (300 nm) of an aqueous solution of 1-3?OP led to the formation of precipitate containing an OP compound thereby amounting to a novel strategy for light-induced sequestration of nerve agents or, perhaps, other targeted compounds. Importantly, the stability of basket?OP complexes in addition to functional groups at the basket's rim play a role in the efficiency (up to 98%) by which OPs are removed from water. PMID- 29215277 TI - Review of the Scientific Understanding of Radioactive Waste at the U.S. DOE Hanford Site. AB - This Critical Review reviews the origin and chemical and rheological complexity of radioactive waste at the U.S. Department of Energy Hanford Site. The waste, stored in underground tanks, was generated via three distinct processes over decades of plutonium extraction operations. Although close records were kept of original waste disposition, tank-to-tank transfers and conditions that impede equilibrium complicate our understanding of the chemistry, phase composition, and rheology of the waste. Tank waste slurries comprise particles and aggregates from nano to micro scales, with varying densities, morphologies, heterogeneous compositions, and complicated responses to flow regimes and process conditions. Further, remnant or changing radiation fields may affect the stability and rheology of the waste. These conditions pose challenges for transport through conduits or pipes to treatment plants for vitrification. Additionally, recalcitrant boehmite degrades glass quality and the high aluminum content must be reduced prior to vitrification for the manufacture of waste glass of acceptable durability. However, caustic leaching indicates that boehmite dissolves much more slowly than predicted given surface normalized rates. Existing empirical models based on ex situ experiments and observations generally only describe material balances and have not effectively predicted process performance. Recent advances in the areas of in situ microscopy, aberration corrected transmission electron microscopy, theoretical modeling across scales, and experimental methods for probing the physics and chemistry at mineral-fluid and mineral-mineral interfaces are being implemented to build robustly predictive physics-based models. PMID- 29215278 TI - Rotamers of Isoprene: Infrared Spectroscopy in Helium Droplets and Ab Initio Thermochemistry. AB - Isoprene (C5H8) is an abundant, reactive tropospheric hydrocarbon, derived from biogenic emissions. A detailed understanding of the spectroscopy of isoprene is therefore desirable. Isoprene monomer is isolated in helium droplets and its infrared spectrum is measured in the CH stretching region. Anharmonic frequencies are predicted by VPT2+K simulations employing CCSD(T) force fields with quadratic (cubic and quartic) force constants computed using the ANO1 (ANO0) basis set. The vast majority of the spectral features can be assigned to trans-isoprene on the basis of these computations. Some features of the higher energy gauche conformer are also assignable, by comparison to experiments using heated isoprene. Convergent ab initio thermochemistry is presented for the isomerization pathway, for which the partition function explicitly accounts for the eigenstates associated with separate, uncoupled one-dimensional potential surfaces for methyl torsion and internal rotation between rotamers. The respective 0 and 298.15 K trans/gauche energy differences are 2.82 and 2.52 kcal/mol, which implies a room temperature gauche population of 2.8%. PMID- 29215279 TI - Design and Synthesis of Orally Bioavailable Piperazine Substituted 4(1H) Quinolones with Potent Antimalarial Activity: Structure-Activity and Structure Property Relationship Studies. AB - Malaria deaths have been decreasing over the last 10-15 years, with global mortality rates having fallen by 47% since 2000. While the World Health Organization (WHO) recommends the use of artemisinin-based combination therapies (ACTs) to combat malaria, the emergence of artemisinin resistant strains underscores the need to develop new antimalarial drugs. Recent in vivo efficacy improvements of the historical antimalarial ICI 56,780 have been reported, however, with the poor solubility and rapid development of resistance, this compound requires further optimization. A series of piperazine-containing 4(1H) quinolones with greatly enhanced solubility were developed utilizing structure activity relationship (SAR) and structure-property relationship (SPR) studies. Furthermore, promising compounds were chosen for an in vivo scouting assay to narrow selection for testing in an in vivo Thompson test. Finally, two piperazine containing 4(1H)-quinolones were curative in the conventional Thompson test and also displayed in vivo activity against the liver stages of the parasite. PMID- 29215280 TI - Correction to "Metal-Organic Framework Nodes as Nearly Ideal Supports for Molecular Catalysts: NU-1000- and UiO-66-Supported Iridium Complexes". PMID- 29215281 TI - Metabolic Effect of Dietary Taurine Supplementation on Nile Tilapia (Oreochromis nilotictus) Evaluated by NMR-Based Metabolomics. AB - Taurine is indispensable in aquatic diets that are based solely on plant protein, and it promotes growth of many fish species. However, the physiological and metabolome effects of taurine on fish have not been well described. In this study, 1H NMR-based metabolomics approaches were applied to investigate the metabolite variations in Nile tilapia (Oreochromis nilotictus) muscle in order to visualize the metabolic trajectory and reveal the possible mechanisms of metabolic effects of dietary taurine supplementation on tilapia growth. After extraction using aqueous and organic solvents, 19 taurine-induced metabolic changes were evaluated in our study. The metabolic changes were characterized by differences in carbohydrate, amino acid, lipid, and nucleotide contents. The results indicate that taurine supplementation could significantly regulate the physiological state of fish and promote growth and development. These results provide a basis for understanding the mechanism of dietary taurine supplementation in fish feeding. 1H NMR spectroscopy, coupled with multivariate pattern recognition technologies, is an efficient and useful tool to map the fish metabolome and identify metabolic responses to different dietary nutrients in aquaculture. PMID- 29215282 TI - Thermal Decomposition of Phosgene and Diphosgene. AB - Phosgene (COCl2) is a toxic compound used or formed in a wide range of applications. The understanding of its thermal decomposition for destruction processes or in the event of accidental fire of stored reserves is a major safety issue. In this study, a detailed chemical kinetic model for the thermal decomposition and combustion of phosgene and diphosgene is proposed for the first time. A large number of thermo-kinetic parameters were calculated using quantum chemistry and reaction rate theory. The model was validated against experimental pyrolysis data from the literature. It is predicted that the degradation of diphosgene is mainly ruled by a pericyclic reaction producing two molecules of phosgene and, to a lesser extent, by a roaming radical reaction yielding CO2 and CCl4. Phosgene is much more stable than diphosgene under high-temperature conditions, and its decomposition starts at higher temperatures. Decomposition products are CO and Cl2. An equimolar mixture of the latter molecules can be considered as a surrogate of phosgene from the kinetic point of view, but the important endothermic effect of the decomposition reaction can lead to different behaviors, for instance, in the case of autoignition under high pressure and high temperature. PMID- 29215283 TI - Water Adsorption and Dissociation on Polycrystalline Copper Oxides: Effects of Environmental Contamination and Experimental Protocol. AB - We use ambient-pressure X-ray photoelectron spectroscopy (APXPS) to study chemical changes, including hydroxylation and water adsorption, at copper oxide surfaces from ultrahigh vacuum to ambient relative humidities of ~5%. Polycrystalline CuO and Cu2O surfaces were prepared by selective oxidation of metallic copper foils. For both oxides, hydroxylation occurs readily, even at high-vacuum conditions. Hydroxylation on both oxides plateaus near ~0.01% relative humidity (RH) at a coverage of ~1 monolayer. In contrast to previous studies, neither oxide shows significant accumulation of molecular water; rather, both surfaces show a high affinity for adventitious carbon contaminants. Results of isobaric and isothermic experiments are compared, and the strengths and potential drawbacks of each method are discussed. We also provide critical evaluations of the effects of the hot filament of the ion pressure gauge on the reactivity of gas-phase species, the peak fitting procedure on the quantitative analysis of spectra, and rigorous accounting of carbon contamination on data analysis and interpretation. This work underscores the importance of considering experimental design and data analysis protocols during APXPS experiments with water vapor in order to minimize misinterpretations arising from these factors. PMID- 29215284 TI - Molecular-Scale Description of SPAN80 Desorption from a Squalane-Water Interface. AB - Extensive all-atom molecular dynamics calculations on the water-squalane interface for nine different loadings with sorbitan monooleate (SPAN80), at T = 300 K, are analyzed for the surface tension equation of state, desorption free energy profiles as they depend on loading, and to evaluate escape times for adsorbed SPAN80 into the bulk phases. These results suggest that loading only weakly affects accommodation of a SPAN80 molecule by this squalane-water interface. Specifically, the surface tension equation of state is simple through the range of high tension to high loading studied, and the desorption free-energy profiles are weakly dependent on loading here. The perpendicular motion of the centroid of the SPAN80 headgroup ring is well-described by a diffusional model near the minimum of the desorption free-energy profile. Lateral diffusional motion is weakly dependent on loading. Escape times evaluated on the basis of a diffusional model and the desorption free energies are 7 * 10-2 s (into the squalane) and 3 * 102 h (into the water). The latter value is consistent with desorption times of related lab-scale experimental work. PMID- 29215285 TI - Anomalous Rate of H+ and D+ Excited-State Proton Transfer (ESPT) in H2O/D2O Mixtures: Irreversible ESPT in 1-Naphthol-4-sulfonate. AB - We employed steady-state and time-resolved fluorescence techniques to study the rates of excited-state proton and deuteron transfer (ESPT) from an irreversible photoacid, 1-naphthol-4-sulfonate, to solvent mixtures of H2O and D2O. We found that the overall ESPT rate to the solvent mixture does not follow a linear relation with the H2O mole ratio. We used a chemical kinetic model to explain the deviation of the ESPT rate constant from linear behavior with H2O mole ratio. There are three water species in the H2O-D2O mixtures, H2O, D2O, and HOD. There are six rate constants of H+ and D+ transfers to the three species. When the H2O mole ratio before mixing is 0.5, HOD mole ratio in the mixture is 0.5. The ESPT rate to HOD is much smaller than that of H+ transfer to neat H2O and hence the concave shape of the plot of ESPT rate constants versus the H2O molar ratio of the mixtures. PMID- 29215286 TI - Theoretical Phase Diagram for the Room-Temperature Electron-Hole Liquid in Photoexcited Quasi-Two-Dimensional Monolayer MoS2. AB - Strong correlations between electrons and holes can drive the existence of an electron-hole liquid (EHL) state, typically at high carrier densities and low temperatures. The recent emergence of quasi-two-dimensional (2D) monolayer transition metal dichalcogenides (TMDCs) provides ideal systems to explore the EHL state since ineffective screening of the out-of-plane field lines in these quasi-2D systems allows for stronger charge carrier correlations in contrast to conventional 3D bulk semiconductors and enables the existence of the EHL at high temperatures. Here we construct the phase diagram for the photoinduced first order phase transition from a plasma of electron-hole pairs to a correlated EHL state in suspended monolayer MoS2. We show that the quasi-2D nature of monolayer TMDCs and the ineffective screening of the out-of-plane field lines allow for this phase transition to occur at and above room temperature, thereby opening avenues for studying many-body phenomena without the constraint of cryogenics. PMID- 29215287 TI - Rh(III)-Catalyzed Cascade Annulations To Access Isoindolo[2,1-b]isoquinolin-5(7H) ones via C-H Activation: Synthesis of Rosettacin. AB - An efficient protocol for the synthesis of diversely substituted 7 hydroxyisoindolo[2,1-b]isoquinolin-5(7H)-ones from the reaction of N (pivaloyloxy)benzamides with 2-alkynyl aldehydes has been developed, which proceeds through sequential alkyne insertion followed by addition of the amide nitrogen on to the aldehyde. This method provided the products with aminal functionality as a handle for further diversification. The synthetic utility of this strategy was successfully illustrated by the concise, two-step synthesis of an alkaloid, rosettacin, and a topoisomerase I inhibitor. PMID- 29215289 TI - Silver(I)- and Base-Mediated [3 + 3]-Cycloaddition of C,N-Cyclic Azomethine Imines with Aza-oxyallyl Cations. AB - A silver(I) and base-mediated [3 + 3]-cycloaddition reaction of in situ generated C,N-cyclic azomethine imines with in situ formed aza-oxyallyl cations is reported. This one-pot cycloaddition process shows broad substrate scope an excellent functional group tolerance and provides the corresponding biologically important isoquinoline-fused triazines in good to excellent yields. PMID- 29215288 TI - Palladium- and Nickel-Catalyzed Decarbonylative C-S Coupling to Convert Thioesters to Thioethers. AB - This Letter describes the development of a catalytic decarbonylative C-S coupling reaction that transforms thioesters into thioethers. Both Pd- and Ni-based catalysts are developed and applied to the construction of diaryl, aryl alkyl, and heterocycle-containing thioethers. PMID- 29215290 TI - Photocatalytic Synthesis of gamma-Lactones from Alkenes: High-Resolution Mass Spectrometry as a Tool To Study Photoredox Reactions. AB - A mild photocatalytic manifold for the synthesis of gamma-lactones has been developed. Utilizing Ru(bpy)3Cl2 as the photocatalyst, a cheap and reproducible synthetic protocol for gamma-lactones has been introduced. Mechanistic studies revealed the successful monitoring of photocatalytic reactions and radical intermediates via high-resolution mass spectrometry. PMID- 29215291 TI - One-Pot Synthesis of Difluoromethyl Thioethers from Thiourea and Diethyl Bromodifluoromethylphosphonate. AB - A straightforward one-pot synthesis of difluoromethyl thioethers from thiourea and diethyl bromodifluoromethylphosphonate has been developed. Thiourea is a cheap and friendly sulfur reagent, while diethyl bromodifluoromethylphosphonate is a low-cost and stable difluorocarbene precursor. The strategy enabled the introduction of SCF2H moieties into indoles, pyrroles, and activated arenes and formed a number of difluoromethyl thioethers. PMID- 29215292 TI - Scalable Electrochemical Dehydrogenative Lactonization of C(sp2/sp3)-H Bonds. AB - A practical, electrochemical method is developed for the direct dehydrogenative lactonization of C(sp2/sp3)-H bonds under external oxidant- and metal-free conditions, delivering diverse lactones, including coumarin derivatives with excellent regioselectivity. The scalable nature of this newly developed electrochemical process was demonstrated on a 40 g scale following an operationally simple protocol. The remote lactonization of C(sp3)-H bonds would constitute an important synthetic advance toward electrochemical C-O bond formation. PMID- 29215293 TI - Approach to Introducing Substituent on the Dipole Conjugate Chain: The D-pi-A Methine Chain Electrophilic Substitution. AB - The D-pi-A methine chain electrophilic substitution reactions for directly introducing some functional groups to the dipole conjugate chain, with mild conditions and good yields, are disclosed. This method is shown to efficiently replace the hydrogen on the D-pi-A methine chain with an electrophile to synthesize methine-substituted Cy3.5 in one step. PMID- 29215294 TI - Structure Reconstruction of LyP-1: Lc(LyP-1) Coupling by Amide Bond Inspires the Brain Metastatic Tumor Targeted Drug Delivery. AB - The stability and binding affinity of targeting ligands are very important in active targeting drug delivery. Herein we used LyP-1 peptide as a model peptide to investigate chemical-biology-based strategies in the design of peptide ligands for active targeting. LyP-1 is a short peptide cyclized with a disulfide bond. It can specifically bind to tumor cells and tumor lymphatics through the interaction with cell-surface protein p32/gC1qR. Lc(LyP-1), with a same sequence of LyP-1, is coupled by amide bond. It showed better cellular uptake and stability in blood in our previous research. Further, usually d-peptide demonstrates higher stability than l-peptide, and it may contribute to better active targeting ability in vivo. Herein, we designed a retro-inverso isomer of Lc(LyP-1), termed Dc(LyP-1), expecting to inspire brain metastatic tumor targeted drug delivery. However, although Lc(LyP-1) showed lower stability than Dc(LyP-1) in fresh rat bold serum, both the 4T1 cellular uptake capacity (89.20%) and p32 protein binding affinity (7.39 * 10-6) were significantly higher than those (33.41%, 1.37 * 10-5) of Dc(LyP-1). Further, Lc(LyP-1) modified PEG-PLA micelles displayed much higher in vivo distribution in brain metastatic tumor than Dc(LyP-1). All results suggested that Lc(LyP-1) had a better performance than Dc(LyP-1) in brain metastatic tumor targeted drug delivery. PMID- 29215296 TI - Identifying risk for language impairment in children from linguistically diverse low-income schools. AB - PURPOSE: To improve screening procedures for children in a linguistically diverse context, we combined tasks known to reveal grammatical deficits in children with language impairment (LI) with training to facilitate performance on a verb elicitation task. METHOD: Sixty-four first grade children participated. The objective grammatical measures included elicitation of 12 past tense regular verbs preceded by a teaching phase (teach-test), the sentence recall (SR) subtest of the Clinical evaluation of language fundamentals (CELF-4), and a tally of all conjugated verbs from a narrative retell task. Given the widespread reliance on teacher observation for the referral of children suspected of having LI, we compared our results to the spoken language portion of the CELF-4 teacher observational rating scale (ORS). RESULT: Using teacher observation as a reference for comparison, the past tense elicitation task and the SR task yielded strong discriminating power, but the verb tally was relatively weak. However, combining the three tasks yielded the highest levels of sensitivity (75%) and specificity (92%) than any single measure on its own. CONCLUSION: This study contributes to alternative assessment practices by highlighting the potential utility of adding a teaching component prior to administering informal grammatical probes. PMID- 29215295 TI - Quantitative Proteomic Study Reveals Up-Regulation of cAMP Signaling Pathway Related Proteins in Mild Traumatic Brain Injury. AB - Traumatic brain injury (TBI), as a neurological injury, becomes a leading cause of disability and mortality due to lacking effective therapy. About 75% of TBI is mild traumatic brain injury (mTBI). However, the complex molecular mechanisms underlying mTBI pathophysiology remains to be elucidated. In this study, iTRAQ based quantitative proteomic approach was employed to measure temporal-global proteome changes of rat brain tissues from different time points (1 day, 7 day and 6 months) post single mTBI (smTBI) and repetitive mTBI (rmTBI). A total of 5169 proteins were identified, of which, 237 proteins were significantly changed between control rats and mTBI model rats. Fuzzy c-means (FCM) clustering analysis classified these 237 proteins into six clusters according to their temporal pattern of protein abundance. Functional bioinformatics analysis and protein protein interaction (PPI) network mapping of these FCM clusters showed that phosphodiesterase 10A (Pde10a) and guanine nucleotide-binding protein G (olf) subunit alpha (Gnal) were the node proteins in the cAMP signaling pathway. Other biological processes, such as cell adhesion, autophagy, myelination, microtubule depolymerization and brain development, were also over-represented in FCM clusters. Further Western Blot experiments confirmed that Pde10a and Gnal were acutely up-regulated in severity-dependent manner by mTBI, but these two proteins could not be down-regulated to basal level at the time point of 6 months post repetitive mTBI. Our study demonstrated that different severity of mTBI cause significant temporal profiling change at the proteomic level and pointed out the cAMP signaling pathway-related proteins, Pde10a and Gnal, may play important roles in the pathogenesis and recovery of mTBI. PMID- 29215297 TI - Virulence Genes and Antimicrobial Resistance in Escherichia coli from Cheese Made from Unpasteurized Milk in Brazil. AB - Cow raw milk cheese is widely eaten in Brazil. These products may be contaminated with pathogenic bacteria. In this work, we investigated the presence of Escherichia coli in raw milk cheese from different States in Brazil. From 147 "Minas" cheese samples, 28 cheeses were positive for E. coli. Among 39 E. coli isolates of the cheeses, one was positive for eae and negative for bpfA and efa1/lifA using PCR, and so was classified as atypical Enteropathogenic E. coli (aEPEC). Two other isolates were positive for extraintestinal pathogenic E. coli (ExPEC) genes. The aEPEC isolate belongs to serogroup O127 and was classified in A phylogenetic group, and ExPEC isolates were found in O73:H12 (EC-2 strain) and O64474:H8 (EC-9 strain) serotype. This ExPEC belongs to A and C phylogenetic group, respectively. Most of E. coli strains belonged to Clermont phylogenetic groups A (28.2%), C, and E (23.1%). Six strains (15.4%) of E. coli were positive for group B1 and two (5.1%) for B2. E. coli isolates presented an aggregative (46.0%) and diffuse (12.6%) adherence pattern to HeLa cells, and the other isolates did not show adhesion (41.4%). Four E. coli isolates (10.3%) were shown to produce moderate biofilm. The antimicrobial resistance rate was tetracycline (25.6%), followed by ampicillin (17.9%), cefoxitin (7.7%), nalidixic acid (5.1%), and amoxicillin-clavulanic acid (2.6%). One strain was resistant to three antimicrobials (tetracycline, ampicillin, and nalidixic acid). The presence of these microorganisms, the O127 strain, and a new serogroup in Brazil is a potential risk for public health. PMID- 29215298 TI - Echinacea purpurea Protects Against Restraint Stress-Induced Immunosuppression in BALB/c Mice. AB - Echinacea purpurea has been widely used for the prevention and treatment of upper respiratory tract infections and the common cold. The restraint stress has been reported to suppress a broad spectrum of immune functions. The aim of this study was to investigate the protective effects of the pressed juice of E. purpurea (L.) Moench (EFLA(r)894; Echinacea) against restraint stress-induced immunosuppression in BALB/c mice. Echinacea significantly normalized the restraint stress-induced reduction in splenocyte proliferation and splenic natural killer (NK) cell activity (P < .05). Echinacea treatment significantly increased the percentages of CD4+ and CD8+ T lymphocytes in the blood (P < .05). In addition, Echinacea restored serum cytokine levels, including interleukin-6 (IL-6), interleukin-10 (IL-10), and interleukin-17 (IL-17), as well as the mRNA expressions of these cytokines in spleen (P < .05). Our findings suggest that Echinacea might have beneficial effects on restraint stress-induced immunosuppression by increasing splenocyte proliferation and NK cell activity, while modulating T lymphocyte subsets and cytokine levels in the blood. PMID- 29215300 TI - Dental anomalies in different growth and skeletal malocclusion patterns. AB - OBJECTIVES: To evaluate prevalence, distribution, and sexual dimorphism of dental anomalies (DA) among different skeletal malocclusions (SM) and growth patterns (GP) under the hypothesis that specific clinical patterns exist and may indicate common etiological roots. MATERIALS AND METHODS: A total of 1047 orthodontic records of patients older than 8 years were evaluated. The SN-GoGn angle was used to classify GP (hypodivergent, normal, and hyperdivergent), and the ANB angle was used to verify SM (Angle Classes I, II, and III). These assessments were done from lateral cephalometric radiographs. DA were diagnosed using panoramic radiographs by one calibrated investigator. Odds ratios, chi-square, and Student's t-tests were used. RESULTS: Of the subjects, 56.7% were female, with mean age of 16.41 (+/-10.61) years. The prevalence of DA was 15.7%. Impaction and tooth agenesis were the most prevalent DA, with relative frequencies of 14.4% and 9.7%, respectively. DA were most prevalent in Class III SM (80.8%) and in hypodivergent GP (82.5%), although this was not statistically significant. Tooth agenesis ( P < .01) and microdontia ( P = .025) were significantly more common among hypodivergent GP and Class III SM, respectively. CONCLUSIONS: The results of this study support the idea that DA are preferentially associated with certain patterns of malocclusion. PMID- 29215299 TI - Complex Assessment of Metabolic Effectiveness of Insulin Pump Therapy in Patients with Type 2 Diabetes Beyond HbA1c Reduction. AB - BACKGROUND: This prospective single-center study recruited insulin-resistant continuous subcutaneous insulin infusion (CSII) therapy-naive patients with type 2 diabetes (T2D) using insulin analog-based multiple daily injections (MDI) therapy and metformin. METHODS: A total of 23 individuals with T2D (70% male), aged a mean +/- standard deviation 57.2 +/- 8.03 years, with body mass index of 36.2 +/- 7.02 kg/m2, diabetes duration of 13.3 +/- 4.64 years, and HbA1c of 10.0% +/- 1.05% were randomly assigned to a CSII arm or an MDI continuation arm to explore glucose control, weight loss, total daily insulin dose (TDD), and insulin resistance. Insulin dosing was optimized over a 2-month run-in period. RESULTS: At 6 months, patients assigned to the CSII arm achieved a significant mean HbA1c reduction of -0.9% (95% confidence interval [CI] = -1.6, -0.1), while reducing their TDD by -29.8 +/- 28.41 U/day (33% of baseline [92.1 +/- 20.35 U/day]) and achieving body mass (BM) reduction of -0.8 +/- 5.61 kg (0.98% of baseline [104.8 +/- 16.15 kg]). MDI patients demonstrated a nonsignificant HbA1c reduction of 0.3% (95% CI = -0.8, 0.1) with a TDD reduction of 5% from baseline (99.0 +/- 25.25 U/day to 94.3 +/- 21.25 U/day), and a BM reduction of -1.0 +/- 2.03 kg (0.99% of baseline [108.9 +/- 20.55 kg]). After 6 months, the MDI arm crossed over to CSII therapy. At 12 months, patients continuing CSII demonstrated an additional mean 0.7% HbA1c reduction with 54.6% achieving HbA1c<8%. The final TDD reduction was -9.7 U/day in comparison to baseline; BM increased by 1.1 +/- 6.5 kg from baseline. The MDI patients that crossed to CSII showed an HbA1c reduction of -0.5% +/- 1.04%, HbA1c response rate of 27.3%, a TDD reduction of -17.4 +/- 21.06 U/day, and a BM reduction of -0.3 +/- 3.39 kg. Diabetic ketoacidosis or severe hypoglycemia did not occur in either arm. CONCLUSION: CSII therapy safely and significantly improved metabolic control with less insulin usage, with no sustainable reduction of BM, blood pressure, and lipid profile, in insulin resistant T2D patients. Treatment adherence and satisfaction in these patients were excellent. PMID- 29215301 TI - The positioning of Aboriginal students and their languages within Australia's education system: A human rights perspective. AB - This paper is a critical review of past and present languages policies in Australian schooling. We highlight the One Literacy movement that contravenes the human rights of Australia's Aboriginal students. This in turn impacts students' right to freedom of opinion and expression as stated in Article 19 of the Universal Declaration of Human Rights. The One Literacy movement operates by equating Standard Australian English literacy acquisition with Australia's global competitiveness and economic success. There is only one pathway through the Australian English curriculum with common assessments and standards. However, the Australian Curriculum provides three distinctive pathways when students from an English-speaking background learn languages other than English. We reveal this double standard, where current educational policies prioritise the languages of trade (e.g. Chinese) and accommodate speakers of these languages. Meanwhile Aboriginal-language-speaking students are not provided with the same accommodations. For educational equity, there should be a distinctive English language learner pathway that recognises that the majority of remote Aboriginal students from the Northern Territory are learning English as an additional language. We advocate for these changes because all children have a right to an appropriate education that will enable them to flourish as learners and citizens. PMID- 29215302 TI - Treatment of Goiter with Traditional Chinese Medicine Regimen Xing Qi Hua Ying Tang: A Clinical Study on 72 Patients with Multinodular and Diffuse Goiter. AB - OBJECTIVE: The present work aimed to further explore the therapeutic potential of Xing Qi Hua Ying Tang (XQHYT) by conducting a systemic clinical study in patients with goiter. DESIGN: Seventy-two patients with either multinodular or diffuse goiter were enrolled and randomly assigned into treatment group receiving XQHYT (n = 36) and control group receiving Hai Zao Yu Hu Tang (n = 36). LOCATION: Traditional Chinese Medicine Hospital of Shanxi. SUBJECTS: Patients were diagnosed multinodular goiter or diffuse goiter resulting from Qi stagnation. INTERVENTION: All patients took the extract twice a day (100 mL each time) for two courses of treatment, of which a single course lasted for 3 months. Before the treatment was commenced and after the completion of the treatment, general body checks, thyroid function test, and goiter size examination were performed. OUTCOME MEASURES: Scoring of the clinical symptoms using Chinese medicine symptomatology was also done. RESULTS: The symptom score of the treatment group was significantly lower than that of the control group (treatment group, 8.26 +/- 2.62; control group, 10.02 +/- 2.62; p < 0.05). Substantial reduction in goiter size was seen in 82.3% of XQHYT-treated patients, whereas in the control group only 67.7% of patients exhibited constricted goiter. When assessed by both the Chinese medicine criteria and goiter size, the overall effective rate of the treatment group was 91.2%, whereas that of the control group was only 67.7%. The difference was statistically significant (p < 0.05). XQHYT did not affect the normal functions of liver, kidney, and heart. For both groups of patients, their levels of thyroid-stimulating hormone, free T4 and free T3 were normal before the treatment, and were not affected by the treatment. CONCLUSION: XQHYT was shown to be a promising therapeutic regimen for the treatment of goiter. The herbal regimen ameliorated clinical symptoms of patients that were accompanied with reduction in the size of goiter. PMID- 29215304 TI - Weight gain changes in patients with aripiprazole monotherapy compared with aripiprazole-antidepressant polypharmacy in an outpatient sample. AB - OBJECTIVE: This study seeks to evaluate the weight gain effect within a community based population of patients with diagnoses of depression, mood disorder, and schizophrenia receiving aripiprazole over a period of at least 6 months. METHOD: The four million members of Kaiser Permanente of Southern California (KPSC) were queried for a four-year period between January 1, 2010 and December 31, 2013. The initial cohort comprised 25,682 KPSC members who received at least one dispense of aripiprazole. This initial cohort was split into those who received aripiprazole as a monotherapy ("Alone" group) and those who were given aripiprazole as part of a combination therapy. The group of patients that received aripiprazole and antidepressant with high serotonin reuptake inhibition we called "High" group while the group receiving aripiprazole and bupropion combination we called "Low" serotonin group. We compared the primary endpoint of mean percent weight change from baseline after 180 days of continuous treatment between the three groups. Three pairwise comparisons were made: High versus Alone, Low versus Alone, and Low versus High, using adjusted and unadjusted linear regression models. RESULTS: Within this population, patients on aripiprazole monotherapy showed statistically significant weight gain in all three groups. However, there was no statistically significant difference in weight gain between the aripiprazole monotherapy, the high serotonergic combination group, and the low serotonergic combination group. This finding applied even within the subset of patients who were considered obese (body mass index > 30). CONCLUSIONS: The results suggest that weight gain is unchanged by combination treatments, but further research is required. PMID- 29215303 TI - Influence of Cryopreservation Solution on the In Vitro Culture of Skin Tissues Derived from Collared Peccary (Pecari tajacu Linnaeus, 1758). AB - Skin vitrification is a promising and alternative tool for the conservation of biodiversity, especially for wild mammals, such as collared peccaries. Several factors can affect the success of this procedure, such as the cryoprotectant solution used. Therefore, this study was carried out to compare the efficiency of various vitrification solutions for recovery of viable cells after in vitro culture of cryopreserved skin tissues derived from the collared peccary, aiming to study the application in biobanking, where cellular use is not immediately required. Then, Dulbecco's modified Eagle's medium (DMEM) composed of 2.2 g/L sodium bicarbonate and 10% fetal bovine serum (FBS) was supplemented with 3.0 M ethylene glycol (EG) or 3.0 M dimethyl sulfoxide (DMSO) or 1.5 M EG plus 1.5 M DMSO with or without sucrose (SUC; 0.25 M) to produce six solutions for solid surface vitrification. After warming, skin tissues were cultured in vitro and recovered cells were analyzed for morphology, adhesion, subconfluence, and proliferative activity for developing the growth curve and determining the population doubling time (PDT), and viability by Trypan Blue. The vitrification did not alter the ability of the tissues to adhere to the culture dish, as well as the day of all explants with cell growth, subconfluence samples, subconfluence total time, and PDT (p > 0.05). Moreover, independent of the cryoprotectant solution used, the vitrification altered the day of all attached explants (p < 0.05). Nevertheless, for viability after the first passage, only the EG-SUC (86.9%) and DMSO-SUC (91.4%) groups maintained viable cell recovery similar to the nonvitrified group (96.3%, p > 0.05). Additionally, for viability after the third passage, only the EG-SUC group maintained the cell quality (88.3%), when compared with the nonvitrified (97.8%, p > 0.05). In conclusion, DMEM with 10% FBS, 3.0 M EG, and 0.25 M sucrose was the most efficient solution for vitrifying collared peccary skin tissues, leading to the in vitro culture of viable cells. PMID- 29215305 TI - Cerebrovascular function and mitochondrial bioenergetics after ischemia reperfusion in male rats. AB - The underlying factors promoting increased mitochondrial proteins, mtDNA, and dilation to mitochondrial-specific agents in male rats following tMCAO are not fully elucidated. Our goal was to determine the morphological and functional effects of ischemia/reperfusion (I/R) on mitochondria using electron microscopy, Western blot, mitochondrial oxygen consumption rate (OCR), and Ca2+ sparks activity measurements in middle cerebral arteries (MCAs) from male Sprague Dawley rats (Naive, tMCAO, Sham). We found a greatly increased OCR in ipsilateral MCAs (IPSI) compared with contralateral (CONTRA), Sham, and Naive MCAs. Consistent with our earlier findings, the expression of Mitofusin-2 and OPA-1 was significantly decreased in IPSI arteries compared with Sham and Naive. Mitochondrial morphology was disrupted in vascular smooth muscle, but morphology with normal and perhaps greater numbers of mitochondria were observed in IPSI compared with CONTRA MCAs. Consistently, there were significantly fewer baseline Ca2+ events in IPSI MCAs compared with CONTRA, Sham, and Naive. Mitochondrial depolarization significantly increased Ca2+ sparks activity in the IPSI, Sham, Naive, but not in the CONTRA group. Our data indicate that altered mitochondrial structure and function occur in MCAs exposed to I/R and that these changes impact not only OCR but Ca2+ sparks activity in both IPSI and CONTRA MCAs. PMID- 29215306 TI - A peptide mimetic of tyrosine phosphatase STEP as a potential therapeutic agent for treatment of cerebral ischemic stroke. AB - Extensive research over the last two decades has advanced our understanding of the pathophysiology of ischemic stroke. However, current pharmacologic therapies are still limited to rapid reperfusion using thrombolytic agents, and neuroprotective approaches that can reduce the consequences of ischemic and reperfusion injury, are still not available. To bridge this gap, we have evaluated the long-term efficacy and therapeutic time window of a novel peptide based neuroprotectant TAT-STEP, derived from the brain-enriched and neuron specific tyrosine phosphatase STEP. Using a rat model of transient middle cerebral artery occlusion (90 min), we show that a single intravenous administration of the peptide at the onset of reperfusion (early) or 6 h after the onset of the insult (delayed) reduces mortality rate. In the surviving rats, MRI scans of the brain at days 1, 14 and 28 after the insult show significant reduction in infarct size and improvement of structural integrity within the infarcted area following peptide treatment, regardless of the time of administration. Behavioral assessments show significant improvement in normal gait, motor coordination, sensory motor function and spatial memory following early or delayed peptide treatment. The study establishes for the first time the therapeutic potential of a tyrosine phosphatase in ischemic brain injury. PMID- 29215307 TI - Effects of intravitreous sodium hydrosulfide on intraocular pressure and retinopathy in ocular hypertensive rats. AB - We investigated the possible neuroprotectant and intraocular pressure (IOP) lowering effects of intravitreous injection of sodium hydrosulfide (NaSH) in a rodent model of experimental glaucoma. Glaucoma currently is treated by controlling IOP using medications and/or surgery. These methods are not entirely adequate for all patients. We divided 24 rats into three groups. For the control group, the right eye was treated with intravitreous saline. For the glaucoma group, ocular hypertension was induced by photocoagulating three episcleral veins and the limbal plexus of the right eye using an argon laser, then saline was injected into the vitreous of these eyes during the third week. For the NaSH group, rats were treated with intravenous NaSH 3 weeks after photocoagulation. IOP was measured each week during the 6 week experimental period. Coagulating the episcleral veins rapidly increased the IOP of rat eyes. Intravitreous injection of NaSH significantly reduced IOP. Intravitreous NaSH prevented degeneration of the retina and decreased the number of apoptotic cells. Intravitreous NaSH appeared to reduce IOP and to prevent IOP induced retinopathy in rats. PMID- 29215308 TI - The importance of small polar radiometabolites in molecular neuroimaging: A PET study with [11C]Cimbi-36 labeled in two positions. AB - [11C]Cimbi-36, a 5-HT2A receptor agonist PET radioligand, contains three methoxy groups amenable to [11C]-labeling. In pigs, [11C]Cimbi-36 yields a polar (M1) and a less polar (M2) radiometabolite fraction, while changing the labeling to [11C]Cimbi-36_5 yields only the M1 fraction. We investigate whether changing the labeling position of [11C]Cimbi-36 eliminates M2 in humans, and if this changes the signal-to-background ratio. Six healthy volunteers each underwent two dynamic PET scans; after injection of [11C]Cimbi-36, both the M1 and M2 fraction appeared in plasma, whereas only the M1 appeared after [11C]Cimbi-36_5 injection. [11C]Cimbi-36_5 generated higher uptake than [11C]Cimbi-36 in both neocortex and cerebellum. With the simplified reference tissue model mean neocortical non displaceable binding potential for [11C]Cimbi-36 was 1.38 +/- 0.07, whereas for [11C]Cimbi-36_5, it was 1.18 +/- 0.14. This significant difference can be explained by higher non-displaceable binding caused by demethylation products in the M1 fraction such as [11C]formaldehyde and/or [11C]carbon dioxide/bicarbonate. Although often considered without any impact on binding measures, we show that small polar radiometabolites can substantially decrease the signal-to-background ratio of PET radioligands for neuroimaging. Further, we find that [11C]Cimbi-36 has a better signal-to-background ratio than [11C]Cimbi-36_5, and thus will be more sensitive to changes in 5-HT2A receptor levels in the brain. PMID- 29215309 TI - Can teacher-child relationships support human rights to freedom of opinion and expression, education and participation? AB - PURPOSE: This study explored how teacher-child relationships change over the early school years, in terms of closeness and conflict, whether these trajectories differ in type and frequency for children with typical development and children with speech and language concern (SLC), and whether the trajectories are associated with school outcomes at 12-13 years. METHOD: Participants were children, parents and teachers in the Longitudinal Study of Australian Children. Parents identified 2890 children with typical communication and 1442 children with SLC. Teacher-rated teacher-child closeness and conflict were collected biennially over six years. Academic and social-emotional outcomes were reported by teachers and children. Growth mixture modelling was conducted to generate teacher-child relationship trajectories and Wald's chi-square analyses were used to test the association between trajectories and school outcomes at 12-13 years, after controlling for a range of covariates including child's sex, language background, Indigenous status, age and socio-economic position. RESULT: In both groups, the majority of children had teacher-child relationship trajectories with sustained high closeness and low conflict that predicted positive outcomes at age 12-13, but the SLC group was more at risk of less positive trajectories and poorer school outcomes. CONCLUSION: Close, less conflicted relationships with teachers may provide a supportive context for later language, literacy and social emotional development. This study highlights the role of teachers in supporting children in their development of communication and academic skills that will optimise their capacity for freedom of opinions and expression, education and participation, as enshrined in Articles 19, 26 and 27 of the Universal Declaration of Human Rights. PMID- 29215310 TI - Apolipoprotein E4 mediates insulin resistance-associated cerebrovascular dysfunction and the post-prandial response. AB - Metabolic dysfunction, commonly a result of diets high in saturated fats and sugar, is associated with impaired cognitive function and an increased risk of age-related cognitive decline (ACD) and Alzheimer's disease (AD). Compared to the E3 isoform of apolipoprotein (apoE), the E4 isoform is a major genetic risk factor for ACD, AD, and for developing cognitive impairments following various environmental challenges, including dietary challenges such as a high-fat diet (HFD). Both insulin resistance (IR) and E4 are associated with metabolic and vascular impairments. Deficits in cerebral metabolism and cerebrovascular function have been proposed as initiating events leading to these impairments. In the current study, we employed a model of human apoE targeted replacement mice and HFD-induced obesity to study the potential link between E4 and IR, at rest and following a postprandial challenge. HFD-induced IR was associated with impaired cognition, reduced cerebral blood volume and decreased glucose uptake. These effects were more profound in E4 than E3 mice. Furthermore, the cognitive, metabolic and cerebrovascular responses to an exogenous glucose load showed an apoE isoform-dependent response, with E4, but not E3 mice, acutely benefiting from a spike in blood glucose. PMID- 29215311 TI - Classification of breast cancer in ultrasound imaging using a generic deep learning analysis software: a pilot study. AB - OBJECTIVE: To train a generic deep learning software (DLS) to classify breast cancer on ultrasound images and to compare its performance to human readers with variable breast imaging experience. METHODS: In this retrospective study, all breast ultrasound examinations from January 1, 2014 to December 31, 2014 at our institution were reviewed. Patients with post-surgical scars, initially indeterminate, or malignant lesions with histological diagnoses or 2-year follow up were included. The DLS was trained with 70% of the images, and the remaining 30% were used to validate the performance. Three readers with variable expertise also evaluated the validation set (radiologist, resident, medical student). Diagnostic accuracy was assessed with a receiver operating characteristic analysis. RESULTS: 82 patients with malignant and 550 with benign lesions were included. Time needed for training was 7 min (DLS). Evaluation time for the test data set were 3.7 s (DLS) and 28, 22 and 25 min for human readers (decreasing experience). Receiver operating characteristic analysis revealed non-significant differences (p-values 0.45-0.47) in the area under the curve of 0.84 (DLS), 0.88 (experienced and intermediate readers) and 0.79 (inexperienced reader). CONCLUSION: DLS may aid diagnosing cancer on breast ultrasound images with an accuracy comparable to radiologists, and learns better and faster than a human reader with no prior experience. Further clinical trials with dedicated algorithms are warranted. Advances in knowledge: DLS can be trained classify cancer on breast ultrasound images high accuracy even with comparably few training cases. The fast evaluation speed makes real-time image analysis feasible. PMID- 29215312 TI - GSTM1 and GSTT1 Gene Polymorphisms, Gene-Gene Interaction, and Esophageal Carcinoma Risk: Evidence from an Updated Meta-Analysis. AB - BACKGROUND: Published data regarding the association between GSTM1 and/or GSTT1 gene polymorphisms and esophageal cancer (EC) susceptibility remain inconclusive. To clarify these associations, a meta-analysis was conducted. METHODS: We conducted a comprehensive search in PubMed, Embase, and the China National Knowledge Infrastructure (CNKI) for all such manuscripts published as of May 1, 2017. The pooled odds ratio (ORs) with confidence intervals (95% CI) were estimated for each study to assess the strength of the association. A subgroup analysis, a sensitivity analysis, and a publication bias analysis were also performed. RESULTS: Data from 41 studies comprising 5291 EC cases and 8191 controls were available for analysis of the GSTM1 polymorphism, and data from 31 studies comprising 4330 EC cases and 6558 controls were available for analysis of the GSTT1 polymorphism. Analyses of the GSTM1 polymorphisms demonstrated that there was a significantly increased EC risk in GSTM1 null genotype carriers (OR = 1.319, 95% CI = 1.125-1.546, p for heterogeneity <0.001). In subgroup analyses by ethnicity, and categories of EC, a significantly increased EC risk was found in Asians (OR = 1.457, 95% CI = 1.212-1.751, p for heterogeneity <0.001) and patients whose histological type was unknown. Analyses of the GSTT1 polymorphisms indicated a positive correlation between the GSTT1 null genotype and the EC risk (OR = 1.233, 95% CI = 1.044-1.455, p for heterogeneity <0.001). In subgroup analyses stratified by ethnicity and categories of EC, similar statistical associations were observed in Asians, esophageal squamous cell carcinoma (ESCC) patients, and ESCC on Asian population. In the GSTM1-GSTT1 interaction analysis, we discovered remarkably enhanced EC risk for patients with the GSTM1 and GSTT1 dual null genotypes (OR = 1.962, 95% CI = 1.178-3.268, p for heterogeneity <0.001) compared with the reference GSTM1 and GSTT1 dual positive genotype. CONCLUSIONS: We conclude that the GSTM1 and GSTT1 null genotypes are associated with increased genetic susceptibility to EC in the overall human population, particularly among Asians. In addition, our findings suggest that persons with a null genotype for both the GSTM1 and GSTT1 genes are at higher risk of developing EC. Further well-designed studies are needed to confirm these associations. PMID- 29215315 TI - Internet-based vs. face-to-face cognitive behavior therapy for psychiatric and somatic disorders: an updated systematic review and meta-analysis. AB - During the last two decades, Internet-delivered cognitive behavior therapy (ICBT) has been tested in hundreds of randomized controlled trials, often with promising results. However, the control groups were often waitlisted, care-as-usual or attention control. Hence, little is known about the relative efficacy of ICBT as compared to face-to-face cognitive behavior therapy (CBT). In the present systematic review and meta-analysis, which included 1418 participants, guided ICBT for psychiatric and somatic conditions were directly compared to face-to face CBT within the same trial. Out of the 2078 articles screened, a total of 20 studies met all inclusion criteria. Results showed a pooled effect size at post treatment of Hedges g = .05 (95% CI, -.09 to .20), indicating that ICBT and face to-face treatment produced equivalent overall effects. Study quality did not affect outcomes. While the overall results indicate equivalence, there have been few studies of the individual psychiatric and somatic conditions so far, and for the majority, guided ICBT has not been compared against face-to-face treatment. Thus, more research, preferably with larger sample sizes, is needed to establish the general equivalence of the two treatment formats. PMID- 29215314 TI - Prenatal Perceived Stress and Adverse Birth Outcomes Among Puerto Rican Women. AB - BACKGROUND: Preterm birth and low birthweight contribute substantially to the disproportionately high infant mortality rates experienced by Puerto Ricans in the United States. The purpose of this study was to examine whether the timing and pattern of prenatal psychosocial stress increased risk of adverse birth outcomes in this high-risk population. MATERIALS AND METHODS: Proyecto Buena Salud was a prospective cohort study conducted from 2006 to 2011 among predominantly Puerto Rican women. Participants (n = 1,267) were interviewed in early, mid-, and late pregnancy. We evaluated associations between early and mid pregnancy stress (Perceived Stress Scale) and preterm birth and low birthweight, and stress at each pregnancy time point and small for gestational age (SGA). RESULTS: Elevated levels of perceived stress in mid-pregnancy increased risk for preterm birth and low birthweight in adjusted analyses, with a linear trend observed for each increasing quartile of stress (ptrend = 0.01). Women in the highest quartile of stress experienced three times the risk for preterm birth (odds ratio [OR] = 3.50, confidence interval [95% CI]: 1.38-8.87) and low birthweight (OR = 3.53, 95% CI = 1.27-9.86) compared with women in the lowest quartile. Early pregnancy stress was not associated with preterm birth or low birthweight. Increase in stress from early to late pregnancy increased risk for SGA (OR = 1.90, 95% CI = 1.01-3.59); no associations were found between stress at any timepoint and SGA. CONCLUSION: Elevated levels of mid-pregnancy perceived stress increased risk for preterm birth and low birthweight, and an increase in stress over the course of pregnancy increased risk for SGA in a population of predominantly Puerto Rican women. PMID- 29215316 TI - Endothelial progenitor cells for cellular angiogenesis and repair: lessons learned from experimental animal models. AB - Stem/progenitor cell-based therapy has been extensively studied for angiomyogenic repair of the ischemic heart by regeneration of the damaged myocytes and neovascularization of the ischemic tissue through biological bypassing. Given their inherent ability to assume functionally competent endothelial phenotype and release of broad array of proangiogenic cytokines, endothelial progenitor cells (EPCs)-based therapy is deemed as most appropriate for vaculogenesis in the ischemic heart. Emulating the natural repair process that encompasses mobilization and homing-in of the bone marrow and peripheral blood EPCs, their reparability has been extensively studied in the animal models of myocardial ischemia with encouraging results. Our literature review is a compilation of the lessons learned from the use of EPCs in experimental animal models with emphasis on the in vitro manipulation and delivery strategies to enhance their retention, survival and functioning post-engraftment in the heart. PMID- 29215318 TI - Therapeutic potential of silymarin in chronic unpredictable mild stress induced depressive-like behavior in mice. AB - Silymarin, a plant-derived polyphenolic flavonoid of Silybum marianum, elicited significant antidepressant-like activity in an acute restraint stress model of depression. It improved monoamines, mainly 5-hydroxytryptamine (5-HT) levels in the cortex, dopamine (DA) and norepinephrine (NE) in the cerebellum in mice. The present study was undertaken to explore the antidepressant potential of silymarin in chronic unpredictable mild stress (CUMS) induced depressive-like behavior in mice, and to find out its probable mechanism(s) of action, mainly neurogenesis, neuroinflammation, and/or oxidative stress. The mice were subjected to CUMS for 28 days (4 weeks) and administered with silymarin (100 mg/kg and 200 mg/kg), or fluoxetine or vehicle from days 8 to 28 (3 weeks simultaneously). Animals were evaluated for behavioral changes, such as anhedonia by sucrose preference test, behavioral despair by forced swim test, and exploratory behaviors by an open field test. In addition, neurobiochemical alterations, mainly monoamines, 5-HT, NE, DA, neurotrophic factor BDNF, and cytokines, IL-6, TNF-alpha, oxidant antioxidant parameters by determining the malondialdehyde formation (an index of lipid peroxidation process), superoxide dismutase (SOD) and catalase (CAT) activity in hippocampus and cerebral cortex along with serum corticosterone were investigated. Our findings reveal that mice subjected to CUMS exhibited lower sucrose preference, increase immobility time without affecting general locomotion of the animals, and reduce BDNF, 5-HT, NE, and DA level, increased serum corticosterone, IL-6 and TNF-alpha along with an oxidant-antioxidant imbalance in the hippocampus and cerebral cortex. Silymarin significantly reversed the CUMS induced changes in the hippocampus and cerebral cortex in mice. Thus, the possible mechanism involved in the antidepressant-like activity of silymarin is correlated to the alleviation of monoaminergic, neurogenesis (enhancing 5-HT, NE, and BDNF levels), and attenuation of inflammatory cytokines system and oxidative stress by modulation of corticosterone response, restoration of antioxidant defense system in cerebral cortex and hippocampus. PMID- 29215317 TI - Novel application and serial evaluation of tissue-engineered portal vein grafts in a murine model. AB - AIM: Surgical management of pediatric extrahepatic portal vein obstruction requires meso-Rex bypass using autologous or synthetic grafts. Tissue-engineered vascular grafts (TEVGs) provide an alternative, but no validated animal models using portal TEVGs exist. Herein, we preclinically assess TEVGs as portal vein bypass grafts. MATERIALS & METHODS: TEVGs were implanted as portal vein interposition conduits in SCID-beige mice, monitored by ultrasound and micro computed tomography, and histologically assessed postmortem at 12 months. RESULTS: TEVGs remained patent for 12 months. Histologic analysis demonstrated formation of neovessels that resembled native portal veins, with similar content of smooth muscle cells, collagen type III and elastin. CONCLUSION: TEVGs are feasible portal vein conduits in a murine model. Further preclinical evaluation of TEVGs may facilitate pediatric clinical translation. PMID- 29215319 TI - Examining the potential preventative effects of minocycline prescribed for acne on the incidence of severe mental illnesses: A historical cohort study. AB - BACKGROUND: Animal studies suggest that the antibiotic and microglial activation inhibitor, minocycline, is likely to have a protective effect against the emergence of psychosis but evidence from human studies is lacking. The aim of this study is to examine the effects of exposure to minocycline during adolescence on the later incidence of severe mental illness (SMI). METHODS: A historical cohort study using electronic primary care data was conducted to assess the association between exposure to minocycline during adolescence and incidence of SMI. The Incidence Rate Ratio (IRR) was measured using Poisson regression adjusted for age, gender, time of exposure, socioeconomic deprivation status, calendar year and co-medications. RESULTS: Early minocycline prescription ( n=13,248) did not affect the incidence of SMI compared with non-prescription of minocycline ( n=14,393), regardless of gender or whether or not the data were filtered according to a minimum exposure period (minimum period: IRR 0.96; 95% CI 0.68-1.36; p=0.821; no minimum period: IRR 1.08; 95% CI 0.83-1.42; p=0.566). CONCLUSIONS: Exposure to minocycline for acne treatment during adolescence appears to have no effect on the incidence of SMI. PMID- 29215320 TI - Early Effects of Rhodomyrtone on Membrane Integrity in Methicillin-Resistant Staphylococcus aureus. AB - Strong evidence of high potency of rhodomyrtone as a promising antibacterial agent against pathogenic gram-positive bacteria has been clearly demonstrated in our previous work. The aim of this study was to provide insight into early action of rhodomyrtone, an acylphloroglucinol, on membrane damage in multidrug-resistant methicillin-resistant Staphylococcus aureus (MRSA). Early effects of rhodomyrtone on the bacterial membrane integrity were detected in a time-course study. Flow cytometry revealed a reduction in green fluorescent emission and increase in uptake of propidium iodide in rhodomyrtone-treated bacterial cells in a concentration- and time-dependent manner. Disruption of cytoplasmic membrane was further monitored by measuring cellular adenosine triphosphate (ATP) and potassium ion (K+). Leakage of both ATP and K+ and significant decrease in intracellular ATP in MRSA were observed following treatment. Pronounced changes in the bacterial ultrastructure and morphology were confirmed by transmission electron microscopy and scanning electron microscopy. Bacterial cell disruption, holes in cell surface, and bulge formations were noted in rhodomyrtone-treated cells. In this study, we provided relevant data to clarify that rhodomyrtone is a bacterial cell membrane-damaging agent. A possible early effect of this novel compound involves bacterial membrane disruption. PMID- 29215321 TI - Mesenchymal endometrial stem/stromal cells for hard tissue engineering: a review of in vitro and in vivo evidence. AB - Hard tissues including teeth, bone and cartilage have inability or poor capacity to self-renew, especially in large defects. Therefore, repair of damages in these tissues represents a huge challenge in the medical field today. Hard tissue engineering commonly utilizes different stem cell sources as a promising strategy for treating bone, cartilages and tooth defects or disorders. Decades ago, researchers successfully isolated and identified endometrial mesenchymal stem/stromal cells (EnSCs) and discovered their multidifferentiation potential. Current studies suggest that EnSCs have significant advantages compared with stem cells derived from other tissues. In this review article, we summarize the current in vitro and in vivo studies that utilize EnSCs or menstrual blood derived stem cells for differentiation to osteoblasts, odontoblasts or chondroblasts in an effort to realize the potential of these cells in hard tissues regeneration. PMID- 29215324 TI - Letter to the Editor. PMID- 29215322 TI - Aberrant SIRT6 expression contributes to melanoma growth: Role of the autophagy paradox and IGF-AKT signaling. AB - Melanoma is among the most life-threatening cancers. The pathogenesis of melanoma has not been fully elucidated. Recently, dysregulated macroautophagy/autophagy has been found to play a critical but inconsistent role in modulating melanoma growth at different stages, with the regulatory mechanism unclear. The histone deacetylase SIRT6 (sirtuin 6) is a known autophagy regulator, and its involvement in cancer development has been reported. Therefore, we sought to determine the role of SIRT6 in melanoma growth and detect its possible link with autophagy in the current study. We initially observed that the expression of SIRT6 decreased in primary melanoma but increased in metastatic melanoma compared with melanocytic nevus. Notably, the expression of SIRT6 was significantly correlated with the expression of autophagy biomarkers including MAP1LC3/LC3 and SQSTM1/p62. Furthermore, SIRT6 suppressed the growth of primary melanoma but promoted metastatic melanoma development in an autophagy-dependent way in vitro. Moreover, SIRT6 exerted its regulation on melanoma growth via the IGF-AKT signaling pathway, and the intervention of AKT could partly reverse the effects of SIRT6 on melanoma growth by regulating autophagy. At last, we determined the effects of SIRT6 on melanoma development in vivo. Taken together, our findings demonstrate that the bimodal expression of SIRT6 at different melanoma stages plays a critical role in regulating melanoma growth through an autophagy-dependent manner, which indicates the potential of SIRT6 to be a biomarker and a therapeutic target in melanoma. PMID- 29215325 TI - DosiKit, a New Portable Immunoassay for Fast External Irradiation Biodosimetry. AB - DosiKit is a new field-radiation biodosimetry immunoassay for rapid triage of individuals exposed to external total-body irradiation. Here, we report on the validation of this immunoassay in human blood cell extracts 0.5 h after in vitro exposure to 137Cs gamma rays, using gamma-H2AX analysis. First, calibration curves were established for five donors at doses ranging from 0 to 10 Gy and dose rates ranging from ~0.8 to ~3 Gy/min. The calibration curves, together with a gamma-H2AX peptide scale, enabled the definition of inter-experimental correction factors. Using previously calculated correction factors, blind dose estimations were performed at 0.5 h postirradiation, and DosiKit performance was compared against concomitant dicentric chromosome assay (DCA), the current gold standard for external irradiation biodosimetry. A prototype was then assembled and field tested. We show that, despite significant inter-individual variations, DosiKit can estimate total-body irradiation doses from 0.5 to 10 Gy with a strong linear dose-dependent signal and can be used to classify potentially exposed individuals into three dose ranges: below 2 Gy, between 2 and 5 Gy and above 5 Gy. The entire protocol can be performed in 45 min, from sampling to dose estimation, with a new patient triaged every 10 min. While DCA enables precise measurement of doses below 5 Gy, it is a long and difficult method. In contrast, DosiKit is a quick test that can be performed directly in the field by operational staff with minimal training, and is relevant for early field triage and identification of individuals most likely to experience acute radiation syndrome. These findings suggest that DosiKit and DCA are complementary and should be combined for triage in a mass scale event. While the proof-of-concept reported here validates the use of DosiKit at 0.5 h postirradiation, further studies are needed to calibrate and evaluate the performance of the DosiKit assay at longer times after irradiation. PMID- 29215326 TI - The Role of FABP5 in Radiation-Induced Human Skin Fibrosis. AB - Radiation-induced skin fibrosis is a detrimental and chronic disorder that occurs after radiation exposure. The molecular changes underlying the pathogenesis of radiation-induced fibrosis of human skin have not been extensively reported. Technical advances in proteomics have enabled exploration of the biomarkers and molecular pathogenesis of radiation-induced skin fibrosis, with the potential to broaden our understanding of this disease. In this study, we compared protein expression in radiation-induced fibrotic human skin and adjacent normal tissues using iTRAQ-based proteomics technology. We identified 186 preferentially expressed proteins (53 upregulated and 133 downregulated) between radiogenic fibrotic and normal skin tissues. The differentially expressed proteins included keratins (KRT5, KRT6A, KRT16 and KRT17), caspase-14, fatty acid-binding protein 5 (FABP5), SLC2A14 and resistin. Through bioinformatic analysis of the proximal promoters, common motifs and corresponding transcriptional factors were identified that associate with the dysregulated proteins, including PAX5, TBX1, CLOCK and AP2D. In particular, FABP5 (2.15-fold increase in fibrotic skin tissues), a transporter of hydrophobic fatty acids, was investigated in greater detail. Immunohistochemistry confirmed that the protein level of FABP5 was increased in fibrotic human skin tissues, especially in the epidermis. Overexpression of FABP5 resulted in nuclear translocation of SMAD2 and significant activation of the profibrotic TGF-beta signaling pathway in human fibroblast WS1 cells. Moreover, exogenous FABP5 (FABP5-EGFP) could be incorporated by skin cells and intensify TGF-beta signaling, indicating a communication between the microenvironment and skin fibrosis. Taken together, our findings illustrate the molecular changes during radiation-induced human skin fibrosis and the critical role of FABP5 in activating the TGF-beta signaling pathway. PMID- 29215327 TI - Factors Modifying the Radon-Related Lung Cancer Risk at Low Exposures and Exposure Rates among German Uranium Miners. AB - It is still not fully understood whether and how factors such as time, age and smoking modify the relationship between lung cancer and radon at low exposures and exposure rates. Improved knowledge is necessary for the dose conversion of radon in working level month (WLM) into effective dose, as currently discussed by the International Commission on Radiological Protection (ICRP). An update of the German uranium miner cohort study (n = 58,974 men) with a 10-year extension of mortality follow-up (1946-2013) was used to further examine this issue. Internal Poisson regression was applied to estimate the excess relative risk (ERR) for lung cancer mortality per unit of cumulative radon exposure in WLM with exponential time-related effect modifiers. In the full cohort restricted to <100 WLM the estimated overall ERR/WLM was 0.006 [95% confidence interval (CI): 0.003; 0.010] based on 1,254 lung cancer deaths and 1,620,190 person-years at risk. Both age at and time since exposure turned out to be important modifiers of the ERR/WLM and were included in the final model. Here, the ERR/WLM centered on age at exposure of 30 years, and 20 years since exposure was 0.016 (95% CI: 0.008; 0.028). This value decreased statistically significantly by approximately 40% and 60% for each 10-year increase in age at exposure and time since exposure, respectively. The joint effect of smoking and radon exposure was investigated in the sub-cohort of miners hired in 1960 or later, which includes data on smoking status. The centered ERR/WLM was slightly higher for non/light smokers compared to moderate/heavy smokers (0.022 versus 0.013). The current findings provide evidence for an increased lung cancer risk at low radon exposures or exposure rates that is modified by age and time. The observed risk is lower, but statistically compatible to those of other miner studies at low exposures or exposure rates. These findings reject an additive- and support a sub- to (supra-) multiplicative interaction between smoking and radon. PMID- 29215328 TI - A realist evaluation of social prescribing: an exploration into the context and mechanisms underpinning a pathway linking primary care with the voluntary sector. AB - This article adopts a realist approach to evaluate a social prescribing pilot in the areas of Hackney and City in London (United Kingdom). It unpacks the contextual factors and mechanisms that influenced the development of this pilot for the benefits of GPs, commissioners and practitioners, and reflects on the realist approach to evaluation as a tool for the evaluation of health interventions. Primary care faces considerable challenges including the increase in long-term conditions, GP consultation rates, and widening health inequalities. With its emphasis on linking primary care to non-clinical community services via a social prescribing coordinator (SPC), some models of social prescribing could contribute to reduce the burden on primary care, tackle health inequalities and encourage people to make greater use of non-clinical forms of support. This realist analysis was based on qualitative interviews with users, commissioners, a GP survey, focus groups and learning events to explore stakeholders' experience. To enable a detailed analysis, we adapted the realist approach by subdividing the social prescribing pathway into stages, each with contextual factors, mechanisms and outcomes. SPCs were pivotal to the effective functioning of the social prescribing service and responsible for the activation and initial beneficial impact on users. Although social prescribing shows significant potential for the benefit of patients and primary care, several challenges need to be considered and overcome, including 'buy in' from some GPs, branding, and funding for the third sector in a context where social care cuts are severely affecting the delivery of health care. With its emphasis on context and mechanisms, the realist evaluation approach is useful in understanding how to identify and improve health interventions, and analyse in greater detail the contribution of different stakeholders. As the SPC is central to social prescribing, more needs to be done to understand their role conceptually and practically. PMID- 29215330 TI - Quantifying Hospital-Acquired Carriage of Extended-Spectrum Beta-Lactamase Producing Enterobacteriaceae Among Patients in Dutch Hospitals. AB - BACKGROUND Extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-E) are emerging worldwide. Contact precautions are recommended for known ESBL-E carriers to control the spread of ESBL-E within hospitals. OBJECTIVE This study quantified the acquisition of ESBL-E rectal carriage among patients in Dutch hospitals, given the application of contact precautions. METHODS Data were used from 2 cluster-randomized studies on isolation strategies for ESBL-E: (1) the SoM study, performed in 14 Dutch hospitals from 2011 through 2014 and (2) the R GNOSIS study, for which data were limited to those collected in a Dutch hospital in 2014. Perianal cultures were obtained, either during ward-based prevalence surveys (SoM), or at admission and twice weekly thereafter (R-GNOSIS). In both studies, contact precautions were applied to all known ESBL-E carriers. Estimates for acquisition of ESBL-E were based on the results of admission and discharge cultures from patients hospitalized for more than 2 days (both studies) and a Markov chain Monte Carlo (MCMC) model, applied to all patients hospitalized (R GNOSIS). RESULTS The absolute risk of acquisition of ESBL-E rectal carriage ranged from 2.4% to 2.9% with an ESBL-E acquisition rate of 2.8 to 3.8 acquisitions per 1,000 patient days. In addition, 28% of acquisitions were attributable to patient-dependent transmission, and the per-admission reproduction number was 0.06. CONCLUSIONS The low ESBL-E acquisition rate in this study demonstrates that it is possible to control the nosocomial transmission of ESBL in a low-endemic, non-ICU setting where Escherichia coli is the most prevalent ESBL-E and standard and contact precautions are applied for known ESBL E carriers. TRIAL REGISTRATION Nederlands Trialregister, NTR2799, http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=2799; ISRCTN Registry, ISRCTN57648070, http://www.isrctn.com/ISRCTN57648070 Infect Control Hosp Epidemiol 2018;39:32-39. PMID- 29215329 TI - Chemotherapeutics of visceral leishmaniasis: present and future developments. AB - Treatment of Visceral Leishmaniasis (VL), a neglected tropical disease, is very challenging with few treatment options. Long duration of treatment and drug toxicity further limit the target of achieving VL elimination. Chemotherapy remains the treatment of choice. Single dose of liposomal amphotericin B (LAmB) and multidrug therapy (LAmB + miltefosine, LAmB + paromomycin (PM), or miltefosine + PM) are recommended treatment regimen for treatment of VL in Indian sub-continent. Combination therapy of pentavalent antimonials (Sbv) and PM in East Africa and LAmB in the Mediterranean region/South America remains the treatment of choice. Various drugs having anti-leishmania properties are in preclinical phase and need further development. An effective treatment and secondary prophylaxis of HIV-VL co-infection should be developed to decrease treatment failure and drug resistance. PMID- 29215331 TI - A comparative transcriptomic analysis of replicating and dormant liver stages of the relapsing malaria parasite Plasmodium cynomolgi. AB - Plasmodium liver hypnozoites, which cause disease relapse, are widely considered to be the last barrier towards malaria eradication. The biology of this quiescent form of the parasite is poorly understood which hinders drug discovery. We report a comparative transcriptomic dataset of replicating liver schizonts and dormant hypnozoites of the relapsing parasite Plasmodium cynomolgi. Hypnozoites express only 34% of Plasmodium physiological pathways, while 91% are expressed in replicating schizonts. Few known malaria drug targets are expressed in quiescent parasites, but pathways involved in microbial dormancy, maintenance of genome integrity and ATP homeostasis were robustly expressed. Several transcripts encoding heavy metal transporters were expressed in hypnozoites and the copper chelator neocuproine was cidal to all liver stage parasites. This transcriptomic dataset is a valuable resource for the discovery of vaccines and effective treatments to combat vivax malaria. PMID- 29215333 TI - Erratum: "New Blood: The Promise of Environmental Health Citizen Science Projects". AB - [This corrects the article DOI: 10.1289/EHP2484.]. PMID- 29215334 TI - Key Developments in Translational Neuroscience: an Update. PMID- 29215332 TI - Nodal patterning without Lefty inhibitory feedback is functional but fragile. AB - Developmental signaling pathways often activate their own inhibitors. Such inhibitory feedback has been suggested to restrict the spatial and temporal extent of signaling or mitigate signaling fluctuations, but these models are difficult to rigorously test. Here, we determine whether the ability of the mesendoderm inducer Nodal to activate its inhibitor Lefty is required for development. We find that zebrafish lefty mutants exhibit excess Nodal signaling and increased specification of mesendoderm, resulting in embryonic lethality. Strikingly, development can be fully restored without feedback: Lethal patterning defects in lefty mutants can be rescued by ectopic expression of lefty far from its normal expression domain or by spatially and temporally uniform exposure to a Nodal inhibitor drug. While drug-treated mutants are less tolerant of mild perturbations to Nodal signaling levels than wild type embryos, they can develop into healthy adults. These results indicate that patterning without inhibitory feedback is functional but fragile. PMID- 29215335 TI - Previous Antibiotic Exposure and Antimicrobial Resistance Patterns of Acinetobacter spp. and Pseudomonas aeruginosa Isolated from Patients with Nosocomial Infections. AB - BACKGROUND: The alarming spread of antibiotic-resistant bacteria causing healthcare-associated infections has been extensively reported in recent medical literature. AIMS: To compare trends in antimicrobial consumption and development of resistance among isolates of Acinetobacter spp. and Pseudomonas aeruginosa that cause hospital infections. STUDY DESIGN: Cross-sectional study. METHODS: A study was conducted in a tertiary healthcare institution in central Serbia, during the 7-year period between January 2009 and December 2015. The incidence rate of infections caused by Acinetobacter or Pseudomonas, as well as their resistance density to commonly used antibiotics, were calculated. Utilization of antibiotics was expressed as the number of defined daily doses per 1000 patient days. RESULTS: A statistically significant increase in resistance density in 2015 compared to the first year of observation was noted for Acinetobacter, but not for Pseudomonas, to third-generation cephalosporins (p=0.008), aminoglycosides (p=0.005), carbapenems (p=0.003), piperacillin/tazobactam (p=0.025), ampicillin/sulbactam (p=0.009) and tigecycline (p=0.048). CONCLUSION: Our study showed that there is an association between the resistance density of Acinetobacter spp. and utilization of carbapenems, tigecycline and aminoglycosides. A multifaceted intervention is needed to decrease the incidence rate of Acinetobacter and Pseudomonas hospital infections, as well as their resistance density to available antibiotics. PMID- 29215336 TI - Caffeine Increases Apolipoprotein A-1 and Paraoxonase-1 but not Paraoxonase-3 Protein Levels in Human-Derived Liver (HepG2) Cells. AB - BACKGROUND: Apolipoprotein A-1, paraoxonase-1 and paraoxonase-3 are antioxidant and anti-atherosclerotic structural high-density lipoprotein proteins that are mainly synthesized by the liver. No study has ever been performed to specifically examine the effects of caffeine on paraoxonase enzymes and on liver apolipoprotein A-1 protein levels. AIMS: To investigate the dose-dependent effects of caffeine on liver apolipoprotein A-1, paraoxonase-1 and paraoxonase-3 protein levels. STUDY DESIGN: In vitro experimental study. METHODS: HepG2 cells were incubated with 0 (control), 10, 50 and 200 MUM of caffeine for 24 hours. Cell viability was evaluated by 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H tetrazolium bromide assay. Apolipoprotein A-1, paraoxonase-1 and paraoxonase-3 protein levels were measured by western blotting. RESULTS: We observed a significant increase on apolipoprotein A-1 and paraoxonase-1 protein levels in the cells incubated with 50 uM of caffeine and a significant increase on paraoxonase-1 protein level in the cells incubated with 200 uM of caffeine. CONCLUSION: Our study showed that caffeine does not change paraoxonase-3 protein level, but the higher doses used in our study do cause an increase in both apolipoprotein A-1 and paraoxonase-1 protein levels in liver cells. PMID- 29215337 TI - Adherence to Nucleoside/Nucleotide Analogue Treatment in Patients with Chronic Hepatitis B. AB - BACKGROUND: Adherence to medication is an important aspect of preventing drug resistance and treatment failure in patients receiving nucleos(t)ide analogues for chronic hepatitis B. AIMS: To assess adherence to nucleoside/nucleotide analogues in chronic hepatitis B treatment and to determine factors associated with non-adherence. STUDY DESIGN: Cross-sectional study. METHODS: The study enrolled 85 chronic hepatitis B patients who had been receiving nucleoside/nucleotide analogues for >=3 months. A questionnaire was completed by patients themselves, and adherence was evaluated based on patients' self reporting. The use of at least 95% of the drugs in the previous month was considered as adequate adherence. RESULTS: Adherence was adequate in 82.4% of patients. Female gender (p=0.003), unemployment (p=0.041) and lower monthly family income (p=0.001) were related to lower adherence. Better adherence was significantly linked to adequate basic knowledge regarding chronic hepatitis B (p=0.049), longer treatment duration than 12 months (p<0.001), previous use of other medications for chronic hepatitis B (p=0.014) and regular follow-up by the same physician (p<0.001). CONCLUSION: Counselling patients about their disease state and the consequences of non-adherence is an important intervention for enhancing adherence. Naive patients should be followed up more frequently to reinforce adherence. PMID- 29215339 TI - The Association of Congenital Urethral Duplication and Double Megalourethra. AB - BACKGROUND: Urethral duplication and megalourethra are rare urethral anomalies. However, the concomitance of urethral duplication and double megalourethra has not been reported previously. CASE REPORT: A newborn was presented with penile swelling during voiding. Physical examination revealed a retractable foreskin and two external meatus of a double urethra. Retrograde urethrography demonstrated two complete megalourethras. Urethro-urethrostomy and urethroplasty were performed when the patient was 10 months old. The patient was followed up for one year without any urinary problems and has good cosmetics and urinary continence. CONCLUSION: The concomitance of these two rare anomalies and more importantly its surgical treatment makes this case report unique and valuable. PMID- 29215338 TI - Evaluation of Antimicrobial Durability and Anti-Biofilm Effects in Urinary Catheters Against Enterococcus faecalis Clinical Isolates and Reference Strains. AB - BACKGROUND: Enterococcus faecalis, Escherichia coli, Staphylococcus epidermidis, Pseudomonas aeruginosa and Candida albicans biofilms are major causes of catheter associated urinary tract infections. Antimicrobial-coated or impregnated urinary catheters are seen as a possible way to prevent these infections. AIMS: To determine the biofilm-forming ability of 89 E. faecalis isolates from urinary tract infections and to compare several urinary catheters for antimicrobial durability and the inhibitory effects on biofilm formation of different laboratory strains and clinical isolates of E. faecalis. STUDY DESIGN: In vitro experimental study. METHODS: The biofilm forming ability of E. faecalis isolates was determined by the crystal violet staining and plate counting methods. For comparison of urinary catheters, biofilms of 45 E. faecalis isolates from the catheter samples of hospitalized patients and five laboratory strains of E. coli ATCC25922, S. epidermidis ATCC35984, P. aeruginosa ATCC27853, E. faecalis ATCC29212 and C. albicans ATCC90028 were formed on the catheters in 24-well tissue culture plates. Scanning electron microscopy analysis was performed to observe biofilms. RESULTS: All 89 E. faecalis isolates were found to be biofilm positive. Nitrofurazone-impregnated catheters significantly reduced the cell counts of E. faecalis isolates and completely inhibited the formation of P. aeruginosa and S. epidermidis biofilms compared with the others. Regarding reduction of biofilm cell counts, a hydrophilic-coated catheter was more effective against P. aeruginosa, whereas a silver-coated catheter was found to be more effective against S. epidermidis. The nitrofurazone-impregnated catheter had the best antimicrobial durability. CONCLUSION: Urine isolates of E. faecalis had considerable ability with respect to biofilm formation. The nitrofurazone impregnated catheter was the most effective against all tested bacteria; however, the effect of a hydrophilic or silver-coated catheter depends on the species present in it. PMID- 29215340 TI - A Report of Brugada Syndrome Presenting with Cardiac Arrest Triggered by Verapamil Intoxication. AB - BACKGROUND: Brugada syndrome is a disease characterized by a specific electrocardiographic pattern and an increased risk of sudden cardiac death. We present this case with the updated literature to emphasise the need to consider the diagnosis of Brugada syndrome in patients admitted to the emergency ward with sudden cardiac arrest. CASE REPORT: A 16-year-old female patient was admitted to the emergency ward with complaints of weakness and abdominal pain, and she had four cardiac arrests during her evaluation period. She was referred to our clinic for permanent pacemaker implantation. She was on a temporary pace maker after having had C-reactive protein. Her physical exam was normal except for bilaterally decreased lung sounds. Lung x-ray and computed tomography, which were performed by another institution, revealed minimal pleural effusion and nothing else of significance. Blood and peritoneal fluid samples were sterile. Echocardiographic exam and cardiac enzymes were also in the normal ranges. Electrocardiographic showed incomplete right branch block in leads V1 and V2. An ajmaline test revealed specific electrocardiographic findings of the type I Brugada pattern. We proposed implanting an implantable cardioverter defibrillator to the patient as there were positive findings on the ajmaline test as well as a history of sudden cardiac arrest. After this treatment proposal, the patient's family admitted that she had taken a high dose of verapamil and thus, the encountered bradycardia was associated with verapamil overuse. The ajmaline test was repeated as it was contemplated that the previous positive ajmaline test had been associated with verapamil overuse. Implantable cardioverter defibrillator implantation was proposed again as there was a history of sudden cardiac arrest; however, the family did not consent to implantable cardioverter defibrillator, and the patient was discharged and followed up. CONCLUSION: Brugada syndrome should be considered for patients who are admitted to the emergency ward with sudden cardiac arrest though surface electrocardiographic is normal. If there is a suspicion of Brugada syndrome, repeated electrocardiographic should be performed on different occasions. Diagnosis can be clarified by upper costal electrocardiographic or by administering Na channel blockers during electrocardiographic performance. PMID- 29215341 TI - A Rare Complication of Phenytoin Infusion in Newborn: Purple Glove Syndrome. PMID- 29215342 TI - Pediatric Intranasal Lobular Capillary Hemangioma: A Rare Clinical Entity. PMID- 29215343 TI - Bladder Preservation with Primary Closure in an Adolescent Girl with Bladder Exstrophy. PMID- 29215344 TI - A New Laparoscopic Manoeuvre in Median Arcuate Ligament Syndrome. PMID- 29215345 TI - h-BN-layer-induced chiral decomposition in the electronic properties of multilayer graphene. AB - We discuss the chiral decomposition of non-symmetric stacking structures. It is shown that the low-energy electronic structure of a Bernal stacked graphene multilayer deposited on h-BN consists of chiral pseudospin doublets. N-layer graphene stacks on the h-BN layer have N/2 effective bilayer graphene systems and one effective h-BN layer if N is even or [Formula: see text] effective graphene bilayers plus one graphene monolayer modified by an h-BN layer if N is odd. We present the decomposition procedure and derive the recurrence relations for the effective parameters characterizing the chiral subsystems. In this case, the effective parameters consist of interlayer couplings and on-site potentials in contrast to pure graphene multilayer systems where only interlayer couplings are modified. We apply this procedure to discuss the Klein tunnelling phenomena and quantitatively compare the results with pure graphene multilayer systems. PMID- 29215346 TI - Metal oxide multilayer hard mask system for 3D nanofabrication. AB - We demonstrate the preparation and exploitation of multilayer metal oxide hard masks for lithography and 3D nanofabrication. Atomic layer deposition (ALD) and focused ion beam (FIB) technologies are applied for mask deposition and mask patterning, respectively. A combination of ALD and FIB was used and a patterning procedure was developed to avoid the ion beam defects commonly met when using FIB alone for microfabrication. ALD grown Al2O3/Ta2O5/Al2O3 thin film stacks were FIB milled with 30 keV gallium ions and chemically etched in 5% tetramethylammonium hydroxide at 50 degrees C. With metal evaporation, multilayers consisting of amorphous oxides Al2O3 and Ta2O5 can be tailored for use in 2D lift-off processing, in preparation of embedded sub-100 nm metal lines and for multilevel electrical contacts. Good pattern transfer was achieved by lift-off process from the 2D hard mask for micro- and nano-scaled fabrication. As a demonstration of the applicability of this method to 3D structures, self-supporting 3D Ta2O5 masks were made from a film stack on gold particles. Finally, thin film resistors were fabricated by utilizing controlled stiction of suspended Ta2O5 structures. PMID- 29215347 TI - Locally preserved alpha -> beta phase transition in natural radiation-damaged titanite (CaTiSiO5): evidence from laser-induced photoluminescence and dielectric measurements. AB - In situ temperature-dependent laser-induced photoluminescence and dielectric measurements provide new evidence for the local occurrence of the alpha -> beta phase transition near 500 K in the preserved crystalline parts of natural radiation-damaged titanite (sample E2335 with ~24% amorphous fraction, containing Fe and Al impurities). Photoluminescence spectroscopic measurements show an anomaly in the vicinity of 500 K. The temperature-dependent evolution of the real part of the electrical conductivity (sigma) and the real (epsilon') and the imaginary (epsilon") part of the complex dielectric permittivity (epsilon *) of titanite have been measured at various AC frequencies (~1.2-96.8 kHz). Despite the masking and smearing effect of impurities and defects, the temperature dependent behaviour of epsilon' and epsilon" around the transition temperature of the investigated natural titanite E2335 shows a remarkable similarity to that of the synthetic end-member material (see Zhang et al (1995 Phys. Chem. Miner. 22 41 9)). This study indicates the suitability of photoluminescence and impedance spectroscopy for the detection of phase transitions, even in heavily disordered systems. PMID- 29215348 TI - Field emission behavior of boron nitride nanotubes. AB - The field emission properties of boron nitride nanotube (BNNT) field emitters according to vacuum pressure were demonstrated. During the short-term emission operation, the field emission behaviors were almost similar, regardless of the vacuum pressure, even though the turn-on electric field of the BNNT field emitter was slightly increased as the vacuum pressure increased. On the other hand, during the long-term emission operation, both the degradation and fluctuations of the emission current of the BNNT field emitters were dramatically increased as the vacuum pressure increased. The degradation of field emission properties of the BNNT emitters according to vacuum pressure is mainly attributed to the ion bombardment effect, rather than the oxidation effect. The field emission behavior under Ar ambient also strongly demonstrates that the degradation and the fluctuation of the emission current are largely dependent on the ion bombardment effect. PMID- 29215349 TI - Spatiotemporal variation of bacterial water quality and the relationship with pasture land cover. AB - Pathogens are a major cause of water quality impairment and public health concern world-wide. In the United States, each state is tasked with developing water quality standards (WQS) to protect the designated use(s) of waterbodies. Several streams in the Illinois River Watershed in northwest Arkansas are currently listed as impaired due to elevated levels of pathogens. Our objective was to evaluate Escherichia coli (E. coli) numbers at 29 stream sites, compare these numbers to the applicable WQS, and investigate the relationship between E. coli numbers and land cover variables. E. coli numbers in samples collected at most sites were within allowable limits, although there were several instances of violations of the WQS. Violations were variable from year to year at some sites, and elevated levels of E. coli were spatially localized during baseflow. Violations also were positively related to pasture land cover in the drainage area, and particularly within the riparian buffer area. This relationship was non linear, or threshold based, where there was a significant increase in the mean E. coli exceedances when riparian pasture land cover was greater than approximately 50%. These results can be used to identify specific stream reaches where E. coli numbers might be elevated and the implementation of best management practices can be geographically targeted. PMID- 29215350 TI - Prevalence and types of Campylobacter on poultry farms and in their direct environment. AB - To study whether broiler and layer farms contribute to the environmental Campylobacter load, environmental matrices at or close to farms, and caecal material from chickens, were examined. Similarity between Campylobacter from poultry and environment was tested based on species identification and Multilocus Sequence Typing. Campylobacter prevalence in caecal samples was 97% at layer farms (n = 5), and 93% at broiler farms with Campylobacter-positive flocks (n = 2/3). Campylobacter prevalence in environmental samples was 24% at layer farms, and 29% at broiler farms with Campylobacter-positive flocks. Campylobacter was detected in soil and surface water, not in dust and flies. Campylobacter prevalence in adjacent and remote surface waters was not significantly (P > 0.1) different. Detected species were C. coli (52%), C. jejuni (40%) and C. lari (7%) in layers, and C. jejuni (100%) in broilers. Identical sequence types (STs) were detected in caecal material and soil. A deviating species distribution in surface water adjacent to farms indicated a high background level of environmental Campylobacter. STs from layer farms were completely deviant from surface water STs. The occasional detection of identical STs in broilers, wastewater at broiler farms and surface water in the farm environment suggested a possible contribution of broiler farms to the aquatic environmental Campylobacter load. PMID- 29215351 TI - Moringa oleifera functionalised sand - reuse with non-ionic surfactant dodecyl glucoside. AB - Moringa oleifera seeds are well known for their ability to cause flocculation in turbid water and facilitate bacterial inhibition. These effects are due to the cationic polypeptide MO2.1, which affects the surface charge of suspended particles and causes lysis of bacterial cells. However, the attachment of bacteria to MO2.1 prevents further bacterial attachment, reducing the effectiveness of the seeds. This research investigated the effect of surfactants on functionality and reuse of Moringa seeds to develop a sustainable water treatment technique. The seed extracts (MO2.1) were used with a functionalised sand system, and the sands were exposed to commercially available (ionic and non ionic) surfactants, dodecyl glucoside and sodium dodecyl sulfate. Artificially polluted water contaminated with Escherichia coli was used to evaluate the efficiency of the system. The non-ionic surfactant was found to be effective at separating E. coli from the functionalised sand without the detachment of the MO2.1 and subsequent loss of the system efficiency. This was successfully repeated four times. The results demonstrated a sustainable, reusable technique to inhibit bacterial contamination in water. PMID- 29215352 TI - Emergent contaminants in the wastewater effluents of two highly populated tropical cities. AB - Exposure to the anthropogenic chemicals known as endocrine disrupting compounds (EDCs) may result in negative biological effects. Low levels of EDCs in the environment aggravate the problem as exposure is constant. Urban areas concentrate pollution as greater volumes are released from human activities. Water for public supply is particularly vulnerable as the sewage treatment facilities may not eliminate EDCs. The goal was to assess estrogenicity and effectiveness of removal of phthalates in primary and tertiary wastewater treatment facilities in urban cities in the tropical island of Puerto Rico. A yeast bioassay used to measure estrogenicity showed higher removal with tertiary treatment. However, results in the picomolar range suggest low doses of estrogenic compounds were being released to receiving waters. For the phthalates, solid phase extraction and gas chromatography-mass spectrometry analyses revealed removals ranging from 42.9% to 92.4% with tertiary treatment. More than 90% removal was achieved for benzylbutyl phthalate, dibutyl phthalate and bis-2 ethylhexyl phthalate. However, concentrations ranging from 0.86 to 1.29 ppm for the phthalates in the outflow were detected even at the tertiary waste water treatment plant effluent implying failure of EDC removal. These results can assist managers in evaluating pollution control technologies to ameliorate the impacts of EDCs in the tropics. PMID- 29215353 TI - Heterotrophic monitoring at a drinking water treatment plant by matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) mass spectrometry after different drinking water treatments. AB - The aim of this work was to assess the suitability of matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF MS) for routine heterotrophic monitoring in a drinking water treatment plant. Water samples were collected from raw surface water and after different treatments during two campaigns over a 1-year period. Heterotrophic bacteria were studied and isolates were identified by MALDI-TOF MS. Moreover, the diversity index and the coefficient of population similarity were also calculated using biochemical fingerprinting of the populations studied. MALDI-TOF MS enabled us to characterize and detect changes in the bacterial community composition throughout the water treatment plant. Raw water showed a large and diverse population which was slightly modified after initial treatment steps (sand filtration and ultrafiltration). Reverse osmosis had a significant impact on the microbial diversity, while the final chlorination step produced a shift in the composition of the bacterial community. Although MALDI-TOF MS could not identify all the isolates since the available MALDI-TOF MS database does not cover all the bacterial diversity in water, this technique could be used to monitor bacterial changes in drinking water treatment plants by creating a specific protein profile database for tracking purposes. PMID- 29215354 TI - Associations between extreme precipitation and acute gastro-intestinal illness due to cryptosporidiosis and giardiasis in an urban Canadian drinking water system (1997-2009). AB - Drinking water related infections are expected to increase in the future due to climate change. Understanding the current links between these infections and environmental factors is vital to understand and reduce the future burden of illness. We investigated the relationship between weekly reported cryptosporidiosis and giardiasis (n = 7,422), extreme precipitation (>90th percentile), drinking water turbidity, and preceding dry periods in a drinking water system located in greater Vancouver, British Columbia, Canada (1997-2009) using distributed lag non-linear Poisson regression models adjusted for seasonality, secular trend, and the effect of holidays on reporting. We found a significant increase in cryptosporidiosis and giardiasis 4-6 weeks after extreme precipitation. The effect was greater following a dry period. Similarly, extreme precipitation led to significantly increased turbidity only after prolonged dry periods. Our results suggest that the risk of cryptosporidiosis and giardiasis increases with extreme precipitation, and that the effects are more pronounced after a prolonged dry period. Given that extreme precipitation events are expected to increase with climate change, it is important to further understand the risks from these events, develop planning tools, and build resilience to these future risks. PMID- 29215355 TI - Quantitative microbial risk assessment to estimate the health risk from exposure to noroviruses in polluted surface water in South Africa. AB - This study assessed the risks posed by noroviruses (NoVs) in surface water used for drinking, domestic, and recreational purposes in South Africa (SA), using a quantitative microbial risk assessment (QMRA) methodology that took a probabilistic approach coupling an exposure assessment with four dose-response models to account for uncertainty. Water samples from three rivers were found to be contaminated with NoV GI (80-1,900 gc/L) and GII (420-9,760 gc/L) leading to risk estimates that were lower for GI than GII. The volume of water consumed and the probabilities of infection were lower for domestic (2.91 * 10-8 to 5.19 * 10 1) than drinking water exposures (1.04 * 10-5 to 7.24 * 10-1). The annual probabilities of illness varied depending on the type of recreational water exposure with boating (3.91 * 10-6 to 5.43 * 10-1) and swimming (6.20 * 10-6 to 6.42 * 10-1) being slightly greater than playing next to/in the river (5.30 * 10 7 to 5.48 * 10-1). The QMRA was sensitive to the choice of dose-response model. The risk of NoV infection or illness from contaminated surface water is extremely high in SA, especially for lower socioeconomic individuals, but is similar to reported risks from limited international studies. PMID- 29215356 TI - The presence of biofilm forming microorganisms on hydrotherapy equipment and facilities. AB - Hydrotherapy equipment provides a perfect environment for the formation and growth of microbial biofilms. Biofilms may reduce the microbiological cleanliness of hydrotherapy equipment and harbour opportunistic pathogens and pathogenic bacteria. The aims of this study were to investigate the ability of microorganisms that colonize hydrotherapy equipment to form biofilms, and to assess the influence of temperature and nutrients on the rate of biofilm formation. Surface swab samples were collected from the whirlpool baths, inhalation equipment and submerged surfaces of a brine pool at the spa center in Ciechocinek, Poland. We isolated and identified microorganisms from the swab samples and measured their ability to form biofilms. Biofilm formation was observed at a range of temperatures, in both nutrient-deficient and nutrient-rich environments. We isolated and identified microorganisms which are known to form biofilms on medical devices (e.g. Stenotrophomonas maltophilia). All isolates were classified as opportunistic pathogens, which can cause infections in humans with weakened immunity systems. All isolates showed the ability to form biofilms in the laboratory conditions. The potential for biofilm formation was higher in the presence of added nutrients. In addition, the hydrolytic activity of the biofilm was connected with the presence of nutrients. PMID- 29215357 TI - New technique for direct fluoroimmunomagnetic detection of rotavirus in water samples. AB - A new rapid, sensitive and selective method for rotavirus detection in water samples is described in this paper. Amino pink magnetic microparticles were functionalized with monoclonal antibodies and used to capture, concentrate, separate and detect infectious rotavirus particles in distilled and drinking water samples. The fluorescence of the microparticles was used to determine the presumptive presence of rotaviruses by using confocal microscopy. Atomic force microscopy and transmission electron microscopy were used to confirm the presence of the anti-rotavirus antibodies attached to the surface of the magnetic microparticles as well as that of viruses attached through the antibody. In addition, RNA extraction, quantification and amplification were carried out to validate the microscopic observations. The selectivity of the microparticles was tested in a sample containing a mix of enteric viruses. It was concluded that functionalizing fluoromagnetic microparticles with anti-rotavirus monoclonal antibodies constituted a fast, simple and reliable technique for detecting as low as 10 Rotavirus particles in 1 L of artificial or real water in just 2 hours. PMID- 29215358 TI - Biofilm forming ability of Sphingomonas paucimobilis isolated from community drinking water systems on plumbing materials used in water distribution. AB - Sphingomonas paucimobilis, an oligotroph, is well recognized for its potential for biofilm formation. The present study explored the biofilm forming ability of a strain isolated from municipal drinking water on plumbing materials. The intensity of biofilm formation of this strain on different plumbing materials was examined by using 1 * 1 cm2 pieces of six different pipe materials, i.e. polyvinyl chloride (PVC), polypropylene (PP), polyethylene (PE), aluminium (Al), copper (Cu) and rubber (R) and observing by staining with the chemical chromophore, Calcofluor. To understand whether biofilm formation occurs under flow through conditions, a laboratory-scale simulated distribution system, comprised of the above materials was fabricated. Biofilm samples were collected from the designed system at different biofilm ages (10, 40 and 90 hours old) and enumerated. The results indicated that the biofilm formation occurred on all plumbing materials with Cu and R as exceptions. The intensity of biofilm formation was found to be maximum on PVC followed by PP and PE. We also demonstrated the chemical chromophore (Calcofluor) successfully for rapid and easy visual detection of biofilms, validated by scanning electron microscope (SEM) analysis of the plumbing materials. Chlorination has little effect in preventing biofilm development. PMID- 29215359 TI - Optimization of operational variables and kinetic modeling for photocatalytic removal of Direct Blue 14 from aqueous media by ZnS nanoparticles. AB - Zinc sulfide nanoparticles (ZnS-NPs) were synthesized via a simple and facile co precipitation method and were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and diffuse reflectance spectroscopy (DRS). Photocatalytic activity of synthesized nanoparticles was evaluated in removal of double azo dye Direct Blue 14 (DB14) from aqueous media. Optimization of photocatalytic removal of DB14 was studied using response surface methodology (RSM). Based on the results, DB14 removal efficiency increased with increasing intensity and duration of UV light irradiation, whereas the higher pH and higher initial dye concentration were unfavorable. Under optimum conditions (initial DB14 concentration =10 mg L-1, ZnS-NPs amount = 0.7 g L-1, pH = 3.5, UV light intensity =16 W m-2, and irradiation time = 48 min), dye removal efficiency reached up to 88.26%. In continuation of our researches, non-linear regression analysis was used to development a kinetics model based on the Langmuir Hinshelwood model and an empirical equation was obtained for estimation of apparent pseudo-first-order rate constant (kap) as a function of the operational variables. Findings indicated a high similarity was between the model prediction and experimental results. PMID- 29215360 TI - Viruses in the environment - presence and diversity of bacteriophage and enteric virus populations in the Umhlangane River, Durban, South Africa. AB - Due to the continued persistence of waterborne viral-associated infections, the presence of enteric viruses is a concern. Notwithstanding the health implications, viral diversity and abundance is an indicator of water quality declination in the environment. The aim of this study was to evaluate the presence of viruses (bacteriophage and enteric viruses) in a highly polluted, anthropogenic-influenced river system over a 6-month period at five sampling points. Cytopathic-based tissue culture assays revealed that the isolated viruses were infectious when tested on Hep-G2, HEK293 and Vero cells. While transmission electron microscopy (TEM) revealed that the majority of the viruses were bacteriophages, a number of presumptive enteric virus families were visualized, some of which include Picornaviridae, Adenoviridae, Polyomaviridae and Reoviridae. Finally, primer specific nested polymerase chain reaction (nested PCR)/reverse transcription-polymerase chain reaction (RT-PCR) coupled with BLAST analysis identified human adenovirus, polyomavirus and hepatitis A and C virus genomes in river water samples. Taken together, the complexity of both bacteriophage and enteric virus populations in the river has potential health implications. Finally, a systematic integrated risk assessment and management plan to identify and minimize sources of faecal contamination is the most effective way of ensuring water safety and should be established in all future guidelines. PMID- 29215361 TI - Identification of antibiotics in wastewater: current state of extraction protocol and future perspectives. AB - The release and occurrence of antibiotics in the aquatic environment has generated increased attention in the past few decades. The residual antibiotic in wastewater is important in the selection for antimicrobial resistance among microorganisms and the possibility of forming toxic derivatives. This review presents an assessment of the advancement in methods for extraction of antibiotics with solid phase extraction and liquid-liquid extraction methods applied in different aquatic environmental media. These advanced methods do enhance specificity, and also exhibit high accuracy and recovery. The aim of this review is to assess the pros and cons of the methods of extraction towards identification of quinolones and sulphonamides as examples of relevant antibiotics in wastewater. The challenges associated with the improvements are also examined with a view of providing potential perspectives for better extraction and identification protocols in the near future. From the context of this review, magnetic molecular imprinted polymer is superior over the remaining extraction methods (with the availability of commercial templates and monomers), is based on less cumbersome extraction procedures, uses less solvent and has the advantage of its reusable magnetic phase. PMID- 29215362 TI - The switch to refillable bottled water in Indonesia: a serious health risk. AB - In recent years, the consumption of refillable bottled water has increased considerably in emerging countries. However, the quality of this water is often questionable, as authorities lack the capacity to properly check refilling depots. Given that refillable bottled water not only replaces unimproved water sources, but also better-quality sources, like piped and branded bottled water, its increasing use poses a major health risk. We investigate the motives behind the decision to switch to refillable bottled water in Indonesia. Findings indicate that this switch is driven by lifestyle motives, as well as by cost and availability considerations. It is mostly the young affluent households who switch from piped and 'other' sources to refillable bottled water. In rural areas, the tendency to make this switch is negatively affected by availability problems and the higher price of refillable bottled water. Availability and cost also influence the switch from branded bottled to refillable bottled water, but here it is the poorer households who have a higher propensity to switch. Further exploration of the lifestyle motive and affordability issues, as well as better monitoring of the refilling depots, are needed to improve the quality of drinking water in Indonesia and other emerging countries. PMID- 29215363 TI - Nano-TiO2, ultrasound and sequential nano-TiO2/ultrasonic degradation of N-acetyl para-aminophenol from aqueous solution. AB - The application of nano-TiO2 as adsorbent combined with ultrasound for the degradation of N-acetyl-para-aminophenol (AAP) from aqueous solution was investigated. The nano-TiO2 was characterized by means of powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS), and attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR). Experimental results revealed that the adsorption of AAP by nano-TiO2 fitted the pseudo-second order kinetic model, the equilibrium could be explained by the Freundlich isotherm and the treatment process is exothermic. The optimum removal efficiency of AAP (128.89 mg/g (77.33%)) was achieved at pH 4 when 0.03 g of nano-TiO2 was mixed with 50 mL of 100 mg/L AAP aqueous solution at ambient temperature, 60 min contact time, and a stirring speed of 120 rpm. Ultrasound at 20 kHz and pH 3 was favorable and it resulted in 52.61% and 57.43% removal efficiency with and without the addition of nano-TiO2, respectively. The degradation of AAP by ultrasound followed by nano-TiO2 treatment resulted in approximately 99.50% removal efficiency. This study showed that a sequential ultrasound and nano-TiO2 treatment process could be employed for the removal of AAP or other emerging water and wastewater contaminants. PMID- 29215364 TI - Corrigendum: Journal of Water and Health 15 (2), 262-272: Impact of surface maintenance on BioSand filter performance and flow, Sarah Singer et al., doi: 10.2166/wh.2017.129. PMID- 29215365 TI - Physiologic Evaluation of Ventilation Perfusion Mismatch and Respiratory Mechanics at Different Positive End-expiratory Pressure in Patients Undergoing Protective One-lung Ventilation. AB - BACKGROUND: Arterial oxygenation is often impaired during one-lung ventilation, due to both pulmonary shunt and atelectasis. The use of low tidal volume (VT) (5 ml/kg predicted body weight) in the context of a lung-protective approach exacerbates atelectasis. This study sought to determine the combined physiologic effects of positive end-expiratory pressure and low VT during one-lung ventilation. METHODS: Data from 41 patients studied during general anesthesia for thoracic surgery were collected and analyzed. Shunt fraction, high V/Q and respiratory mechanics were measured at positive end-expiratory pressure 0 cm H2O during bilateral lung ventilation and one-lung ventilation and, subsequently, during one-lung ventilation at 5 or 10 cm H2O of positive end-expiratory pressure. Shunt fraction and high V/Q were measured using variation of inspired oxygen fraction and measurement of respiratory gas concentration and arterial blood gas. The level of positive end-expiratory pressure was applied in random order and maintained for 15 min before measurements. RESULTS: During one-lung ventilation, increasing positive end-expiratory pressure from 0 cm H2O to 5 cm H2O and 10 cm H2O resulted in a shunt fraction decrease of 5% (0 to 11) and 11% (5 to 16), respectively (P < 0.001). The PaO2/FIO2 ratio increased significantly only at a positive end-expiratory pressure of 10 cm H2O (P < 0.001). Driving pressure decreased from 16 +/- 3 cm H2O at a positive end-expiratory pressure of 0 cm H2O to 12 +/- 3 cm H2O at a positive end-expiratory pressure of 10 cm H2O (P < 0.001). The high V/Q ratio did not change. CONCLUSIONS: During low VT one-lung ventilation, high positive end-expiratory pressure levels improve pulmonary function without increasing high V/Q and reduce driving pressure. PMID- 29215366 TI - Implantable Cardioverter Defibrillators and Survival in Continuous-Flow Left Ventricular Assist Device Patients. AB - The association of an implantable cardioverter defibrillator (ICD) with survival in patients with left ventricular assist devices (LVADs) is not well understood. We evaluated all-cause mortality by the presence of an ICD at the time of LVAD implantation, or by ICD implantation after LVAD placement in 191 patients, using Kaplan-Meier survival analyses and Cox models with multivariate adjustment. During the median follow-up of 23 months, 33 of 129 patients (26%) with an ICD and 17 of 62 patients (27%) without an ICD died. Patients had similar all-cause mortality with or without an ICD before LVAD, after censoring for post-LVAD ICD implantation (log-rank p = 0.889). Multivariate models after adjustments revealed no statistically significant survival benefit from an ICD before LVAD (hazard ratio [HR]: 0.65, 95% CI: 0.27-1.57, p = 0.340). Thirty-one of 62 (50%) patients without an ICD before LVAD implantation subsequently received an ICD after LVAD, although these patients did not have significantly better survival when compared with those with no ICD in a time-dependent analysis (HR: 0.70, 95% CI: 0.25-1.95, p = 0.497). Among LVAD patients, neither a previously implanted ICD nor a new ICD implantation after LVAD yielded statistically significant survival benefit. Further studies are warranted to investigate the role of ICD implantation in LVAD patients. PMID- 29215367 TI - Interperforator Flow Pattern and Clinical Application of Distal Extended Peroneal Artery Perforator Flaps. AB - INTRODUCTION: Peroneal artery perforator flaps are the most widely used pedicled flaps for soft tissue defects of the distal lower extremity. Most research regarding peroneal artery flaps focuses on the location, diameter, and number of peroneal artery perforators. However, there is little literature regarding interperforator flow patterns within the peroneal artery perforator flaps. The aims of the present study were to describe interperforator flow patterns of the distally based extended peroneal artery perforator flaps through digital subtraction angiography and review their clinical application. METHODS: Twelve consecutive patients underwent digital subtraction angiography of the lower-limb arteries. The number and classification of peroneal artery perforators and the interperforator flow patterns were observed. Based on these observations, distally based extended peroneal artery perforator flaps were designed to repair nonhealing wounds located on the ankles and feet of 14 patients. RESULTS: The peroneal artery gives out grades I to IV perforators in the lateral leg. There were 2 to 7 grade I perforators and true anastomoses between adjacent grade II perforators, which generate directly linked vessels in the middle leg. The grade III or IV perforators form a reticular vascular network through a large number of chock and potential anastomoses. All flaps survived and had excellent appearance and texture. CONCLUSIONS: Distally based extended peroneal artery perforator flaps appear reliable for repairing wounds located on or around the ankle and front foot. However, whether the middle perforator or peroneal artery should be used depends on the condition of the anastomosis between direct linking vessels and the distal perforator. PMID- 29215369 TI - From Data to Practice: Increasing Awareness of Opioid Prescribing Data Changes Practice. AB - : We hypothesized that the recent attention to the opioid epidemic, combined with internal dissemination of data on prescribing practices, impacted our institution's opioid prescribing at discharge from elective surgery. We reviewed our recent practice to assess whether this increasing awareness resulted in reductions of opioid prescriptions for patients with acute pain. Data on prescribing for patients undergoing elective surgery between 2016 and early 2017 demonstrated that opioid prescribing practices have improved in the recent era without an observed increase in refill rates. Although additional work is needed to further improve standardization and reduce opioid prescribing, these data suggest that increased awareness may be an important first step in improving opioid prescribing practices. PMID- 29215368 TI - Numeracy and Interpretation of Prognostic Estimates in Intracerebral Hemorrhage Among Surrogate Decision Makers in the Neurologic ICU. AB - OBJECTIVE: Clinicians caring for patients with intracerebral hemorrhage must often discuss prognosis and goals of care with their patients' surrogate decision makers, and may make numeric estimates of likelihood of survival and functional independence, informed by validated prediction models. Surrogates' prognostic estimates are often discordant with physicians', suggesting that physicians' numeric statements may not be accurately interpreted. We sought to assess the relationship between numeracy and interpretation of prognostic estimates in intracerebral hemorrhage among surrogate decision makers. We also assessed surrogates' application of prognostic estimates to decisions regarding goals of care. DESIGN: Single-center, survey-based, cross-sectional study. SETTING: Twenty two-bed neurologic ICU at an urban, academic hospital. SUBJECTS: Surrogate decision makers for patients admitted to the neurologic ICU. INTERVENTIONS: Participants completed a survey containing five clinical vignettes describing patients with nontraumatic intracerebral hemorrhage. For each patient, numerical estimates of survival and functional independence were explicitly provided, based on the validated outcome risk stratification scale (intracerebral hemorrhage score) and the Prediction of Functional Outcome in Patients with Primary Intracerebral Hemorrhage score. MEASUREMENTS AND MAIN RESULTS: Participants were asked to make their own prognostic estimates, as well as to describe their preferred goals of care for each hypothetical patient. Respondent demographics were collected, and numeracy was assessed using a modified Lipkus 11-item scale. Poor numeracy was common (42 of 96 total subjects) in this relatively highly educated population. Most prognostic estimates (55%) made by surrogates were discordant with the provided estimates. High numeracy correlated with better concordance (odds ratio, 23.9 [5.57-97.64]; p < 0.001), independent of several factors, including level of education and religion. Numeracy also affected goals of-care decisions made by surrogates. CONCLUSIONS: Poor numeracy is common among surrogate decision makers in an intensive care setting and poses a barrier to communication between surrogates and clinicians regarding prognosis and goals of care. PMID- 29215370 TI - Opioid Use After Discharge in Postoperative Patients: A Systematic Review. AB - BACKGROUND: Over the past 2 decades, there has been an increase in opioid use and subsequently, opioid deaths. The amount of opioid prescribed to surgical patients has also increased. The aim of this systematic review was to determine postdischarge opioid consumption in surgical patients compared with the amount of opioid prescribed. Secondary outcomes included adequacy of pain control and disposal methods for unused opioids. OBJECTIVE: The objective of this study is to characterize postdischarge opioid consumption and prescription patterns in surgical patients. METHODS: A systematic search in MEDLINE and EMBASE identified 11 patient survey studies reporting on postdischarge opioid use in 3525 surgical patients. RESULTS: The studies reported on a variety of surgical operations, including abdominal surgery, orthopedic procedures, tooth extraction, and dermatologic procedures. The majority of patients consumed 15 pills or less postdischarge. The proportion of used opioids ranged from 5.6% to 59.1%, with an outlier of 90.1% in pediatric spinal fusion patients. Measured pain scores of those taking opioids ranged between 2 and 5 out of 10 and the majority of patients were satisfied with their pain control. Seventy percent of patients kept the excess opioids. Where planned disposal methods were reported, between 4% and 59% of patients planned proper disposal. CONCLUSION: This study suggests that surgical patients are using substantially less opioid than prescribed. There is a lack of awareness regarding proper disposal of leftover medication, leaving excess opioid that may be used inappropriately by the patient or others. Education for providers and clinical practice guidelines that provide guidance on prescription of outpatient of opioids are required. PMID- 29215371 TI - Pushing the Envelope in Perihiler Cholangiocellularcarcinoma Surgery: TIPE-ALPPS. PMID- 29215372 TI - Efficacy and safety of apatinib as second-line therapy for advanced gastric cancer: a single-center observational study. AB - Apatinib has been proven to be effective and safe among patients in the third line treatment of advanced gastric cancer in phase II and III trials. We aimed to evaluate its efficacy and safety in second-line practice, and to explore the factors associated with efficacy. Between April 2015 and May 2017, a total of 23 patients with advanced gastric adenocarcinoma or adenocarcinoma of gastroesophageal junction were enrolled and followed up retrospectively after failing the first line of systemic therapy. The median progression-free survival was 4.43 months (95% confidence interval: 1.63-7.22) and the median overall survival was 9.11 months (95% confidence interval: 8.22-9.99). Two patients achieved a partial response and 14 patients achieved stable disease. The disease control rate was 69.6% and the objective response rate was 8.7%. The most common adverse events over grade 3 were hypertension (8.7%) and thrombocytopenia (8.7%). No treatment-related death was documented during the drug administration. Apatinib is an effective regimen for the second-line treatment of advanced gastric and gastroesophageal cancer with manageable toxicity.This is an open access article distributed under the terms of the Creative Commons Attribution Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0/. PMID- 29215373 TI - Mangiferin prevents the growth of gastric carcinoma by blocking the PI3K-Akt signalling pathway. AB - The aim of the present study was to investigate the effects of mangiferin on gastric carcinoma cells and to determine the possible mechanisms underlying such effects. The MTT assay was performed to evaluate the antiproliferative effect of mangiferin. Following treatment, apoptosis rates of SGC-7901 were established by flow cytometry and laser confocal microscopy, and western blot analysis was used to detect the expression of apoptosis-related proteins. The MTT assay showed that mangiferin inhibited the proliferation of SGC-7901 and BCG-823 cells in a dose dependent and time-dependent manner. After SGC-7901 cells were exposed to mangiferin for 24, 48 and 72 h, the half-maximal inhibitory concentration values were 16.00, 8.63 and 4.79 umol/l, respectively. SGC-7901 cell apoptosis induced by mangiferin was observed by Annexin V/PI doubling staining and terminal deoxynucleotidyl transferase dUTP nick end labeling-positive staining. We found a significant decrease in Bcl-2, Bcl-xL and Mcl-1 expression and a significant increase in Bax, Bad and cleaved caspase-3 and caspase-9 expression in SGC-7901 cells by mangiferin treatment. Moreover, mangiferin significantly decreased the levels of p-PI3K, p-Akt and p-mTOR, but had no effects on those of PI3K, Akt and mTOR in epidermal growth factor-treated SGC-7901 cells. Interestingly, the proapoptotic effect of mangiferin on SGC-7901 cells was partially blocked by the Akt activator SC79, whereas LY294002 significantly increased mangiferin-induced apoptosis and growth inhibition. Taken together, our findings indicate that mangiferin effectively inhibits cell growth and induces apoptosis of gastric cancer cells through inhibiting the PI3K/Akt pathways with relative safety, and may be used as a novel chemotherapeutic agent against gastric cancer. PMID- 29215374 TI - Empirically derived dietary patterns and ovarian cancer risk: a meta-analysis. AB - Dietary patterns, which reflect overall diet and possible nutrient and food interactions, have been reported to be related to ovarian cancer (OC) risk. However, studies on the relationship between dietary patterns and OC risk have been inconsistent. Thus, we carried out a systematic meta-analysis to assess the relationship between dietary patterns and the risk of OC. Relevant studies are identified by searching the Medline and Embase electronic databases up to December 2016. The Cochrane Q statistic and the I statistical were used to evaluate heterogeneity. A total of 22 studies fulfilled the inclusion criteria and were included in this meta-analysis. There was evidence of a decreased risk for OC in the highest versus the lowest categories of healthy dietary pattern [odds ratio (OR)=0.86; 95% confidence interval (CI): 0.74-0.99; P=0.04]. An increased risk of OC was shown for the highest versus the lowest category of a western-style dietary pattern (OR=1.19; 95% CI: 1.01-1.41; P=0.04). No significant association with OC risk was observed in the highest versus the lowest category of a heavy drinking pattern (OR=0.89; 95% CI: 0.67-1.19; P=0.42). The results of this meta-analysis suggest that a healthy dietary pattern is associated with reduced risk for OC and a western-style dietary pattern is associated with an increased risk of OC. Further studies are needed to confirm our results. PMID- 29215375 TI - Pushing Critical Thinking Skills With Multiple-Choice Questions: Does Bloom's Taxonomy Work? AB - Medical school assessments should foster the development of higher-order thinking skills to support clinical reasoning and a solid foundation of knowledge. Multiple-choice questions (MCQs) are commonly used to assess student learning, and well-written MCQs can support learner engagement in higher levels of cognitive reasoning such as application or synthesis of knowledge. Bloom's taxonomy has been used to identify MCQs that assess students' critical thinking skills, with evidence suggesting that higher-order MCQs support a deeper conceptual understanding of scientific process skills. Similarly, clinical practice also requires learners to develop higher-order thinking skills that include all of Bloom's levels. Faculty question writers and examinees may approach the same material differently based on varying levels of knowledge and expertise, and these differences can influence the cognitive levels being measured by MCQs. Consequently, faculty question writers may perceive that certain MCQs require higher-order thinking skills to process the question, whereas examinees may only need to employ lower-order thinking skills to render a correct response. Likewise, seemingly lower-order questions may actually require higher-order thinking skills to respond correctly. In this Perspective, the authors describe some of the cognitive processes examinees use to respond to MCQs. The authors propose that various factors affect both the question writer and examinee's interaction with test material and subsequent cognitive processes necessary to answer a question. PMID- 29215376 TI - Why Open-Ended Survey Questions Are Unlikely to Support Rigorous Qualitative Insights. AB - Health professions education researchers are increasingly relying on a combination of quantitative and qualitative research methods to explore complex questions in the field. This important and necessary development, however, creates new methodological challenges that can affect both the rigor of the research process and the quality of the findings. One example is "qualitatively" analyzing free-text responses to survey or assessment instrument questions. In this Invited Commentary, the authors explain why analysis of such responses rarely meets the bar for rigorous qualitative research. While the authors do not discount the potential for free-text responses to enhance quantitative findings or to inspire new research questions, they caution that these responses rarely produce data rich enough to generate robust, stand-alone insights. The authors consider exemplars from health professions education research and propose strategies for treating free-text responses appropriately. PMID- 29215377 TI - Six Strategies for Effective Learning. PMID- 29215378 TI - Developing Resident-Sensitive Quality Measures: A Model From Pediatric Emergency Medicine. AB - PURPOSE: To begin closing the gap with respect to quality measures available for use among residents, the authors sought to identify and develop resident sensitive quality measures (RSQMs) for use in the pediatric emergency department (PED) setting. METHOD: In May 2016, the authors reviewed National Quality Measures Clearinghouse (NQMC) measures to identify resident-sensitive measures. To create additional measures focused on common, acute illnesses (acute asthma exacerbation, bronchiolitis, closed head injury [CHI]) in the PED, the authors used a nominal group technique (NGT) and Delphi process from September to December 2016. To achieve a local focus for developing these measures, all NGT and Delphi participants were from Cincinnati Children's Hospital Medical Center. Delphi participants rated measures developed through the NGT in two areas: importance of measure to quality care and likelihood that measure represents the work of a resident. RESULTS: The review of NQMC measures identified 28 of 183 as being potentially resident sensitive. The NGT produced 67 measures for asthma, 46 for bronchiolitis, and 48 for CHI. These were used in the first round of the Delphi process. After two rounds, 18 measures for asthma, 21 for bronchiolitis, and 21 for CHI met automatic inclusion criteria. In round three, participants categorized the potential final measures by their top 10 and next 5. CONCLUSIONS: This study describes a template for identifying and developing RSQMs that may promote high-quality care delivery during and following training. Next steps should include implementing and seeking validity evidence for the locally developed measures. PMID- 29215379 TI - Improving Patient-reported Pain During Radiotherapy Through Nurse Involvement and Patient Education. AB - OBJECTIVES: Pain management during radiotherapy helps assess quality of care. By establishing an intervention to address pain during on-treatment visits (OTVs), we aim to lower patient-reported pain scores. METHODS: A total of 171 patients were included in the analysis: 58 were retrospectively reviewed to provide a control and 113 were prospectively enrolled and evaluated after the intervention. The intervention included (1) a pain management in-service performed with the resident physician and nurses, (2) distribution of pain management educational materials, and (3) nurse consultation for patients with a pain score >=5 within 2 days of the in-service. Study aims were to reduce the number of pain scores >=5 by 30% and increase the number of pain scores documented during every OTV to >90%. RESULTS: Median patient age was 65 years. Before the intervention, the average DVPRS score at initial consultation was 2 (range, 0 to 9) and 98% of patients had scores documented during OTVs. Overall, 26% (44/171) of OTV scores measured >=5. Following the intervention, average DVPRS score at initial consultation was 2 (range, 0 to 10) and 99% of scores were documented during OTVs. About 14% (49/341) of patient-reported scores were >=5, representing an ~50% relative reduction (P=0.023). The number of patients with 2+ pain scores >=5 was reduced from 21% (12/58) before the intervention to 11% (12/109) after the intervention (P=0.1068). CONCLUSION: Involving nursing staff in the education and follow-up of patients with uncontrolled pain during radiotherapy led to an ~50% relative reduction in patient-reported DVPRS scores of 5+ during weekly OTVs. PMID- 29215380 TI - Applying the Ottawa subarachnoid haemorrhage rule on a cohort of emergency department patients with headache. AB - OBJECTIVE: The Ottawa subarachnoid haemorrhage (SAH) rule suggests that alert patients older than 15 years with a severe nontraumatic headache reaching maximum intensity within 1 h and absence of high-risk variables effectively have a SAH ruled out. We aimed to determine the proportion of emergency department (ED) patients with any headache fulfilling the entry criteria for the Ottawa SAH rule. PATIENTS AND METHODS: The Ottawa SAH rule was applied retrospectively in a substudy of a prospective snapshot of 34 EDs in Queensland, Australia, carried out over 4 weeks in September 2014. Patient aged 18 years and older with a nontraumatic headache of any potential cause were included. Clinical data and results of investigations were collected. RESULTS: Data were available for 644 (76%) patients. A total of 149 (23.1%, 95% confidence interval: 20.0-26.5%) fulfilled and 495 (76.9%, 95% confidence interval: 73.5-80.0%) did not fulfil the entry criteria. In patients who fulfilled the entry criteria, 30 (<5% overall) did not have any high-risk variables for SAH. In patients who fulfilled the entry criteria and had at least 1 high-risk feature, almost half (46%) received a computed tomographic brain. No SAH were missed. CONCLUSION: In this descriptive observational study, the majority of ED patients presenting with a headache did not fulfil the entry criteria for the Ottawa SAH rule. Less than 5% of the patients in this cohort could have SAH excluded on the basis of the rule. More definitive studies are needed to determine an accepted benchmark for the proportion of patients receiving further work-up (computed tomographic brain) after fulfilling the entry criteria for the Ottawa SAH rule. PMID- 29215381 TI - Has the Licensing Act 2003 affected violence rates in England and Wales? A systematic review of hospital and police studies. AB - Violence has been declining in the UK for two decades, with most assaults being alcohol related. The Licensing Act 2003 (England and Wales) aimed to reduce alcohol-related crime, giving local authorities control over premises licensing. We performed a systematic review of original research with the primary outcome of change in violence rates since the Act's implementation, including hospital defined and police-defined measures of violence. Our secondary outcome was temporal distribution of violence. Fifteen studies were included, which were of overall poor quality. Seven found reduced violence rates after the Act's implementation, three found increased rates and five found no significant change. A subset of nine studies analysed temporal distribution, eight finding displacement of incidents later. This is the most complete analysis to date of the effect of this Act on violence, finding a lack of reliable evidence to answer the research question, but little to suggest that the Act has markedly impacted already-declining violence rates. PMID- 29215382 TI - Initial Treatment in Septic Arthritis: Medical Versus Surgical Approach: An 8 Year, Single Center in Spain Experience. AB - OBJECTIVE: The aim of this study was to compare the functional results of 2 different procedure types, medical or surgical, which are used in treating native joint septic arthritis. METHODS: In this retrospective cohort study, we reviewed clinical registries of patients admitted to a single third-level hospital with the diagnosis of septic arthritis during the period of January 1, 2008, to January 31, 2016. RESULTS: A total of 63 cases of septic arthritis were identified in which the initial approach for 49 patients was medical (arthrocentesis), whereas the initial approach for 14 patients was surgical (arthroscopy or arthrotomy). Of the 49 patients who received initial medical treatment (IMT), 15 patients (30%) later required surgical treatment because of poor progress. The median age of the patients was 60 (SD, 18) years. The group who received IMT had a greater median age than did those who received initial surgical treatment (median, 64 years [interquartile range {IQR}, 54-76 years], vs. 48 years [IQR, 30-60 years]). There was a greater percentage of male patients in the surgical group (78% vs. 42% [P = 0.018]). Thirty percent of the medical group had been receiving corticosteroid treatment (P = 0.018). Results of complete recovery of joint functionality showed no significant differences after 1 year (68% with MT vs. 67% with ST, P = 0.91). Both groups had similar symptom duration until diagnosis, duration of antibiotic therapy (median, 30 days [IQR, 28-49 days], vs. 29.5 days [IQR, 27-49] days), and mortality rate (3 in the medical group). CONCLUSIONS: The results of the study show that initial surgical treatment in patients with native joint septic arthritis is not superior to IMT. However, half of the patients with shoulder and hip infections treated with IMT eventually required surgical intervention, suggesting that perhaps this should be the preferred initial approach in these cases.This is an open-access article distributed under the terms of the Creative Commons Attribution -Non Commercial No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. PMID- 29215383 TI - Mood-Stabilizing Anticonvulsants, Spina Bifida, and Folate Supplementation: Commentary. AB - PURPOSE/BACKGROUND: High risks of neural tube defects and other teratogenic effects are associated with exposure in early pregnancy to some anticonvulsants, including in women with bipolar disorder. METHODS/PROCEDURES: Based on a semistructured review of recent literature, we summarized findings pertaining to this topic. FINDINGS/RESULTS: Valproate and carbamazepine are commonly used empirically (off-label) for putative long-term mood-stabilizing effects. Both anticonvulsants have high risks of teratogenic effects during pregnancy. Risks of neural tube defects (especially spina bifida) and other major malformations are especially great with valproate and can arise even before pregnancy is diagnosed. Standard supplementation of folic acid during pregnancy can reduce risk of spontaneous spina bifida, but not that associated with valproate or carbamazepine. In contrast, lamotrigine has regulatory approval for long-term use in bipolar disorder and appears not to have teratogenic effects in humans. IMPLICATIONS/CONCLUSIONS: Lack of protective effects against anticonvulsant associated neural tube defects by folic acid supplements in anticipation of and during pregnancy is not widely recognized. This limitation and high risks of neural tube and other major teratogenic effects, especially of valproate, indicate the need for great caution in the use of valproate and carbamazepine to treat bipolar disorder in women of child-bearing age. PMID- 29215384 TI - Update on Psychotropic Drug Prescribing in the United States: 2014-2015. PMID- 29215385 TI - Restless Legs Syndrome and Schizophrenia: A Case Report. PMID- 29215386 TI - Improving the Clinical Pharmacologic Assessment of Abuse Potential: Part 1: Regulatory Context and Risk Management. AB - PURPOSE: This article brings to the attention of drug developers the Food and Drug Administration's (FDA's) recent final Guidance to Industry on Assessment of Abuse Potential and provides practical suggestions about compliance with the Guidance. PROCEDURES: The Guidance areas are reviewed, analyzed, and placed in the context of current scientific knowledge and best practices to mitigate regulatory risk. FINDINGS: The Guidance provides substantial new detail on what needs to be done at all stages of drug development for central nervous system active drugs. However, because many psychopharmacologic agents have unique preclinical and clinical features, the plan for each agent needs to be not only carefully prepared but also reviewed and approved by the FDA. Examples are provided where assumptions about interpretation of the Guidance can delay development. CONCLUSIONS: If the expertise and experience needed for assessing abuse potential during drug development do not exist within a company, external preclinical and clinical expert should be involved. Consultation with the FDA is encouraged and important because the specific requirements for each drug will vary. PMID- 29215387 TI - Historical Trends in the Diagnosis of Peduncular Hallucinosis. AB - BACKGROUND: Peduncular hallucinosis (PH) describes the clinical syndrome of vivid, dream-like visual hallucinations that intrude on normal wakefulness. Additional clinical deficits, especially ophthalmoparesis, have historically been an important part of the diagnosis and localization of this syndrome. We examined how modern neuroimaging has impacted the diagnosis of PH. METHODS: We reviewed all available cases of PH, including 3 of ours and all previously reported in the literature. We determined whether other eye movement abnormalities were part of the clinical presentation and whether a neuroimaging study was performed to make the diagnosis. RESULTS: A total of 85 cases were identified and evaluated. Eye movement abnormalities were present in 12/15 (80%) without a neuroimaging study but in only 24/70 (34%) of cases in which a neuroimaging study was performed (P = 0.001). CONCLUSIONS: Although eye movement abnormalities historically have been considered a key localizing clinical feature supporting the diagnosis of PH, we found that in the era of modern neuroimaging, co-occurring eye movement abnormalities are far less frequent and are not a requisite feature of the diagnosis. PMID- 29215388 TI - Case of Bilateral Sequential Nonarteritic Ischemic Optic Neuropathy After Rechallenge With Sildenafil. PMID- 29215389 TI - Horizontal Gaze Palsy With Progressive Scoliosis: Two Novel ROBO3 Mutations in a Compound Heterozygous Sporadic Case. PMID- 29215390 TI - Does Podcast Use Enhance Critical Thinking in Nursing Education? AB - The purpose of this pilot interventional study was to examine relationships between adjunctive podcast viewing and nursing students' critical thinking (CT) abilities. Participants were last semester/preceptorship nursing students. The intervention group was given unrestricted access to a CT podcast. There was no statistical significance between Health Sciences Reasoning Test pretest and posttest scores, the number of times the podcast was viewed, and specific demographic factors. The results suggest that CT podcast viewing did not improve CT abilities. However, Likert scale results indicated students liked this method of learning. Demographic factors and sample size were limited, and further research is recommended. PMID- 29215391 TI - Engaging Nursing Students: Integrating Evidence-Based Inquiry, Informatics, and Clinical Practice. AB - The nursing research class requires faculty to create a spirit of inquiry while integrating technology, flexibility, and responsiveness to student needs. This article discusses new pedagogies to actively engage students in the evidence based nursing process and the achievement of course learning outcomes. Through course exemplar, the author demonstrates a creative method to engage traditional baccalaureate nursing students in a nursing project that links evidence to improved patient outcomes. PMID- 29215392 TI - Physiologic uptake of 18F-FDG in transposed ovaries may mimic metastasis on 18F FDG PET/CT imaging. AB - BACKGROUND: Ovarian transposition is aimed at preserving ovarian function before irradiation in pelvic malignancies. The extrapelvic location of the ovaries and their physiologic fluorine-18-fluorodeoxyglucose (F-FDG)-uptake is a potential source of misdiagnosis as metastasis on F-FDG PET/CT. We describe the F-FDG PET/CT characteristics of transposed ovaries and their changes over time. PATIENTS AND METHODS: We reviewed F-FDG PET/CT studies of all consecutive women with pelvic malignancies who underwent ovarian transposition between 2007 and 2013. Studies were grouped according to the time period over which they were carried out. Findings were categorized by location, size, appearance (solid/mixed/cystic), presence of surgical clips, ovarian F-FDG uptake (maximum standardized uptake value), and attenuation values on CT (Hounsfield units). Group time-period differences were assessed. RESULTS: Seventy-nine F-FDG PET/CT studies were reviewed, 30 before and 49 after transposition. Time-period groups after transposition were up to 4 months (18 studies), 4.1-12 months (n=14), and more than 12 months (n=17). After transposition, ovaries were located mainly in the paracolic gutter (n=32) and subhepatic regions (n=18). Surgical clips were present in 67%. Both ovaries appeared more solid 1 year after surgery than preoperatively (13.7% before vs. 61.3% after surgery; P<0.001). Transient F-FDG avidity was observed in 11 ovaries. Hounsfield unit values were higher within 4 months after surgery than preoperatively, reverting thereafter to preoperative values. CONCLUSION: After ovarian transposition, nonanatomic location, loss of cysts formation in favor of solid appearance over time, and intermittent F-FDG uptake of functioning transposed ovaries might mimic metastatic lesions. Careful interpretation of F-FDG PET/CT findings is mandatory in women with pelvic malignancies who have undergone ovarian transposition. PMID- 29215393 TI - Therapeutic Effects of Lamellar Keratoplasty on Terrien Marginal Degeneration. AB - PURPOSE: To evaluate the therapeutic effects of lamellar keratoplasty (LK) on Terrien marginal degeneration (TMD). METHODS: Retrospective interventional case series. Medical records of 63 patients (71 eyes) who received LK for TMD at Qingdao Eye Hospital, Shandong Eye Institute from December 1995 to March 2014 were reviewed. A total of 56 eyes were treated with partial LK and 15 eyes with total LK. Complications, visual acuity recovery, and graft status were evaluated. RESULTS: Mean age of the patients was 50.4 +/- 16.8 years. The follow-up period was 2.5 +/- 0.9 years. The uncorrected distance visual acuity (UDVA) increased from preoperative 0.90 +/- 0.44 logarithm of the minimum angle of resolution (logMAR) to 0.53 +/- 0.27 logMAR at 1 year after surgery (t = 16.256, P < 0.001). The corrected distance visual acuity (CDVA) was 0.69 +/- 0.30 logMAR preoperatively, and increased to postoperative 0.38 +/- 0.22 logMAR (t = -19.982, P < 0.001). After surgery, mean astigmatism was 5.33 +/- 2.44 diopters (D) compared with preoperative 10.19 +/- 4.32 D (t = 7.351, P < 0.001), and the spherical equivalent decreased from preoperative -2.23 +/- 2.34 D to -0.75 +/- 2.04 D (t = -2.677, P = 0.012). There was a significant difference in UDVA, DeltaUDVA, CDVA, DeltaCDVA, and refractive astigmatism between the partial LK and total LK groups. The most common intraoperative complication was corneal perforation. The postoperative complications included double anterior chamber, persistent graft epithelium defects, corneal vascularization, immune rejection, graft ulcers, cataract, and recurrence of marginal degeneration. CONCLUSIONS: LK can effectively reduce refractive errors, improve visual acuity, and reduce the risk of corneal perforation for patients with TMD. The visual acuity after partial LK is superior to that after total LK. PMID- 29215394 TI - Visual Outcomes and Aberrometric Changes With Topography-Guided Photorefractive Keratectomy Treatment of Irregular Astigmatism After Penetrating Keratoplasty. AB - PURPOSE: To evaluate the visual acuity and keratometric and aberrometric changes in patients with corneal transplants (PKP), who underwent topography-guided photorefractive keratectomy (TG-PRK) with mitomycin C (MMC). METHODS: In this case study, 15 patients with spherical equivalents ranging from -11.00 to -0.25 diopters (D) who underwent penetrating corneal transplantation and had irregular astigmatism ranging from -7.5 to -2.0 D underwent TG-PRK with MMC. Corneal topography and wavefront of all patients were measured preoperatively and 12 months postoperatively. RESULTS: Twelve months after TG-PRK with MMC, 46% of eyes achieved a best spectacle-corrected visual acuity (BSCVA) of 20/20 compared with 1 eye preoperatively (P = 0.0221, chi test). The BSCVA did not improve in 1 patient and increased by 1 line or more in all others. Astigmatism decreased significantly (P = 0.003) from 5.10 +/- 0.4 D to 3.37 +/- 0.06 D, the corneal best-fit sphere increased and keratometry measurements flattened significantly (P = 0.0001 for both comparisons), and the corneal total root mean square aberrations and trefoil decreased significantly (P = 0.0077 and P = 0.0054, respectively) from 9.11 +/- 2.56 MUm to 7.58 +/- 3.15 MUm and 2.00 +/- 1.2 to 1.38 +/- 0.27 MUm, respectively, as measured by wavefront aberrometry. CONCLUSIONS: Twelve months postoperatively, the BSCVA improved significantly, the lines of vision increased, and astigmatism, corneal best-fit sphere, mean keratometry, corneal thickness, corneal root mean square total, and corneal spherical aberrations decreased. TG-PRK with MMC is a good alternative for correcting post-PKP cases with irregular astigmatism with elevated higher-order aberrations. PMID- 29215395 TI - Topical Tacrolimus as Adjuvant Therapy to Corticosteroids in Acute Endothelial Graft Rejection After Penetrating Keratoplasty: A Randomized Controlled Trial. AB - PURPOSE: To evaluate the efficacy of topical tacrolimus 0.05% as adjuvant therapy to corticosteroids in the treatment of acute endothelial rejection of a penetrating keratoplasty (PKP) graft. METHODS: Patients with the clinical diagnosis of acute endothelial rejection of a PKP graft were randomized into 2 groups-group 1: receiving topical tacrolimus 0.05% as adjuvant therapy to corticosteroid treatment and group 2: receiving only corticosteroid treatment. Main outcome measures were rejection reversal, time to rejection reversal, and recurrence of rejection. RESULTS: Thirty-one eyes of 31 patients (17 and 14 eyes in group 1 and 2, respectively) were included in the study. The rejection episode completely resolved in 88.2% of patients in group 1 and 85.7% of patients in group 2 [hazard ratio = 0.60, 95% confidence interval (CI) = 0.28-1.29, P = 0.191]. After adjusting for preoperative factors using the inverse-probability weighting method, the time to resolution of rejection was significantly shorter in group 1 than group 2 (average treatment effect = 16, 95% CI, 3.7-28.7, P = 0.013). The recurrence rate of rejection was significantly higher in group 2 (39.7, 95% CI, 12.8-92.6 per 1000 months of follow-up) than in group 1 (3.6, 95% CI, 0.05-19.9 likewise); risk ratio: 11.1, 95% CI, 1.3-95.0, P = 0.028. CONCLUSIONS: Topical tacrolimus 0.05% as an adjunct to steroids can hasten the resolution of endothelial rejection of a PKP graft and potentially decreases the recurrence of rejection. However, it may not improve rejection reversal success. PMID- 29215397 TI - Keratoconus and Personality-A Review. AB - PURPOSE: To assess the existing literature on the subject of keratoconus and personality and to propose a theory that might account for the perceived personality changes associated with this condition. METHODS: A literature search was conducted in the PubMed database using the term "keratoconus" in combination with keywords such as personality, psychiatry, psychology, anxiety, depression, or psychosis. A total of 15 articles pertaining to personality and psychiatric disorders in keratoconus were retained and reviewed. RESULTS: Although patients with keratoconus tend to score differently on personality scales compared with normal controls, the literature fails to substantiate the existence of a unique "keratoconic personality." Instead, patients with keratoconus prove to have more dysfunctional coping mechanisms that specifically alter their interaction with health care providers and may account for the persistent clinical impression of less respectful, conforming, and cooperative patients. CONCLUSIONS: We hypothesize that the stage of life at which keratoconus commonly presents plays a crucial role in personality and coping mechanism development that significantly affects behavioral patterns and the relationship with caregivers. PMID- 29215396 TI - Outcomes of Corneal Cross-Linking Correlate With Cone-Specific Lysyl Oxidase Expression in Patients With Keratoconus. AB - PURPOSE: To evaluate the correlation of visual and keratometry outcomes after corneal cross-linking (CXL) in patients with keratoconus with cone epithelium specific gene expression levels. METHODS: Corneal epithelium was obtained from 35 eyes that underwent accelerated CXL (KXLII, 9 mW/cm for 10 min). Using corneal topography, epithelium over the cone and periphery was obtained separately from each subject. The ratio of gene expression for lysyl oxidase (LOX), matrix metalloproteinase 9 (MMP9), bone morphogenic protein 7, tissue inhibitor of metalloproteinase 1, collagen, type I, alpha 1, and collagen, type IV, alpha 1 (COL IVA1) from the cone and peripheral cornea was correlated with the outcome of cross-linking surgery. Patients were assessed for visual acuity, keratometry, refraction, and corneal densitometry before and 6 months after surgery. Based on the change in corneal flattening indicated by DeltaKmax, the outcomes were classified as a higher response or lower response. RESULTS: Reduction in keratometric indices correlated with improved spherical equivalent after CXL. Preoperative levels of cone-specific LOX expression in cases with a higher response were significant (P = 0.001). COL IVA1, bone morphogenic protein 7, and tissue inhibitor of metalloproteinase 1 gene expressions were reduced in the cones of the subjects with a lower response. MMP9 levels were relatively lower in cases with a higher response compared with those with a lower response. CONCLUSIONS: Our study demonstrates that preoperative levels of molecular factors such as LOX, MMP9, and COL IVA1 aid in understanding CXL outcomes at the tissue level. PMID- 29215398 TI - A genetic risk score for fasting plasma glucose is independently associated with arterial stiffness: a Mendelian randomization study. AB - BACKGROUND: Arterial stiffness is known to be associated with a number of clinical conditions including hypertension, diabetes and dyslipidemia, and may predict cardiovascular events and mortality. However, causal links are hard to establish. Results from genome-wide association studies have identified only a few single nucleotide polymorphisms associated with arterial stiffness, the results have been inconsistent between studies and overlap with other clinical conditions is lacking. Our aim was to investigate a potential shared set of risk single nucleotide polymorphisms between relevant cardiometabolic traits and arterial stiffness. METHOD: The study population consisted of 2853 individuals (mean age 72 years, 40% men) from the population-based Malmo Diet and Cancer study, Sweden. Carotid-femoral pulse wave velocity, a marker of arterial stiffness, was measured with Sphygmocor. Mendelian randomization analyses were performed using the two-stage least square regression and multivariate inverse variance weighted methods. RESULTS: There were positive associations between arterial stiffness and genetic risk scores for type 2 diabetes (beta = 0.03, P = 0.04) and fasting plasma glucose (beta = 0.03, P = 0.03), but not for systolic blood pressure, body mass index, low-density lipoprotein cholesterol, high density lipoprotein cholesterol or triglycerides. Multivariate inverse-variance weighted methods confirmed the significant positive association for fasting plasma glucose beta coefficients (P = 0.006), but not for type 2 diabetes beta coefficients (P = 0.88). CONCLUSION: Genetically elevated fasting plasma glucose, but not genetically elevated risk of type 2 diabetes, was associated with arterial stiffness suggesting a causal stiffening effect of glycemia on the arterial wall, independently of type 2 diabetes. PMID- 29215399 TI - Hemorrhage of liver and bone metastases as a result of rapid response to dual BRAF/MEK inhibition in metastatic melanoma: a case report. AB - Combination therapy using a BRAF and MEK inhibitor significantly improves both progression-free and overall survival in patients with BRAF V600-mutated stage IV melanoma. Dual MAPK inhibition achieves an objective response in the majority of patients. We present a case of a woman with BRAF V600E-mutated malignant melanoma and rapidly progressing liver, bone, and lymph node metastases. The patient commenced dabrafenib and trametinib with clinical and biochemical signs of response after 2 days. On day 3 she developed grade 3 liver hemorrhage, which was successfully embolized. Her anemia responded appropriately to transfusions and stabilized after interventional resolution of the hemorrhagic event. Subsequently she developed a pathological fracture of the right proximal humerus. MRI showed cystic bone metastases with stigmata of bleeding. To our knowledge, this is the first case report of a patient with hemorrhage of both liver and bone metastases of a melanoma. As the patient responded rapidly to dabrafenib and trametinib we hypothesize that the hemorrhage may be due to rapid tumor necrosis and bleeding of affected tumor supplying blood vessels. Our case demonstrates the importance of considering tumoral bleeding as a side effect of BRAF and MEK inhibition in responding melanoma patients. Mechanical intervention can be effective in resolving this treatment-related adverse event. PMID- 29215400 TI - Five-Year Survival and Causes of Death in Children After Intensive Care-A National Registry Study. AB - OBJECTIVES: The aim of the study was to compare long-term mortality and causes of death in children post admission to an ICU with a control population of same age. DESIGN: Longitudinal follow-up study. SETTING: Registry study of a national ICU register and hospital registries. PATIENTS: Children admitted to an ICU in the years 2009 and 2010. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: The mortality and causes of death following ICU discharge were analyzed retrospectively. The median follow-up period was 4.9 years (25-75th percentiles, 4.4-5.5 yr). The causes of death in survivors 30 days after ICU discharge were compared with a cohort of 1 million children of the general population of same age. In total, 2,792 children were admitted to an ICU during the study period. Of those, 53 (1.9%) died in the ICU and 2,739 were discharged. Thirteen children died within 30 days of discharge, and 68 died between 30 days and the end of follow-up (December 31, 2014). In the control population (n = 1,020,407 children), there were 1,037 deaths (0.10%) from 2009 to 2014. The standardized mortality rate for the children admitted to the ICU during the study period was 53.4 (95% CI, 44.7-63.2). The standardized mortality rate for those children alive 1 year after discharge was 16.7 (12.1-22.6). One-year cumulative mortality was 3.3%. The most common causes of death in subjects alive 30 days post ICU were cancer (35.3%), neurologic (17.6%), and metabolic diseases (11.7%), whereas trauma was the most common cause in the control group (45.3%). CONCLUSIONS: There was an increased risk of death in a cohort of ICU-admitted children even 3 years after discharge. In those who survived 30 days after discharge, medical causes of death were dominant, whereas deaths due to trauma were most common in the control group. PMID- 29215401 TI - Relaxivity of Ferumoxytol at 1.5 T and 3.0 T. AB - OBJECTIVES: The aim of this study was to determine the relaxation properties of ferumoxytol, an off-label alternative to gadolinium-based contrast agents, under physiological conditions at 1.5 T and 3.0 T. MATERIALS AND METHODS: Ferumoxytol was diluted in gradually increasing concentrations (0.26-4.2 mM) in saline, human plasma, and human whole blood. Magnetic resonance relaxometry was performed at 37 degrees C at 1.5 T and 3.0 T. Longitudinal and transverse relaxation rate constants (R1, R2, R2*) were measured as a function of ferumoxytol concentration, and relaxivities (r1, r2, r2*) were calculated. RESULTS: A linear dependence of R1, R2, and R2* on ferumoxytol concentration was found in saline and plasma with lower R1 values at 3.0 T and similar R2 and R2* values at 1.5 T and 3.0 T (1.5 T: r1saline = 19.9 +/- 2.3 smM; r1plasma = 19.0 +/- 1.7 smM; r2saline = 60.8 +/- 3.8 smM; r2plasma = 64.9 +/- 1.8 smM; r2*saline = 60.4 +/- 4.7 smM; r2*plasma = 64.4 +/- 2.5 smM; 3.0 T: r1saline = 10.0 +/- 0.3 smM; r1plasma = 9.5 +/- 0.2 smM; r2saline = 62.3 +/- 3.7 smM; r2plasma = 65.2 +/- 1.8 smM; r2*saline = 57.0 +/- 4.7 smM; r2*plasma = 55.7 +/- 4.4 smM). The dependence of relaxation rates on concentration in blood was nonlinear. Formulas from second-order polynomial fittings of the relaxation rates were calculated to characterize the relationship between R1blood and R2 blood with ferumoxytol. CONCLUSIONS: Ferumoxytol demonstrates strong longitudinal and transverse relaxivities. Awareness of the nonlinear relaxation behavior of ferumoxytol in blood is important for ferumoxytol-enhanced magnetic resonance imaging applications and for protocol optimization. PMID- 29215402 TI - Quality and Safety in Health Care, Part XXXIV: The PINNACLE Registry. AB - The PINNACLE (Practice INNovation And Clinical Excellence) program was started in 2008 by the American College of Cardiology and its National Cardiovascular Data Registry. This was the first and now the largest countrywide prospective registry to improve care quality for cardiac outpatients. The registry focuses on reporting about the adherence to guidelines in treating individuals with high blood pressure, atrial fibrillation, coronary artery disease, and/or cardiac failure. PMID- 29215403 TI - SUV as a Possible Predictor of Disease Extent and Therapy Duration in Complex Tuberculosis. AB - OBJECTIVE: F-FDG PET/CT provides information on disease extension and activity in neoplastic and inflammatory conditions. So far, little is known about whether SUVmax of a reference lesion can allow a prognosis to be given regarding patient specific outcome parameters in complex cases of tuberculosis (TB). METHODS: We retrospectively identified 37 patients (21 men, 16 women; mean age, 50.4 years) who underwent F-FDG PET/CT for the evaluation of active TB before treatment initiation. The aims were to examine whether the reference lesion SUVmax differed between patients with standard (<=9 months) and long-term (>9 months) therapy and to define an SUVmax cutoff distinguishing those groups. In addition, we analyzed the prognostic value of SUVmax with regard to estimation of initial disease extent and lesion distribution pattern. RESULTS: Median therapy duration was 10 months (interquartile range, 3.25 months), and median SUVmax was 8 (interquartile range, 8.54). SUVmax was significantly (P = 0.036) higher in patients treated longer than 9 months (10.1 vs 5.5). When applying a receiver operating characteristic curve analysis, an SUVmax cutoff value of 10 differentiated the standard and the long-term therapy group with a sensitivity of 50% and a specificity of 78.6% (P = 0.087). Higher SUVmax corresponded with a larger number of affected organ systems (P = 0.012 for <=/>1). Patients with extrathoracic involvement showed significantly higher SUVmax than did patients with limited intrathoracic disease (P = 0.024) and received significantly longer antimycobacterial therapy (P = 0.011). CONCLUSIONS: Reference lesion SUVmax from pretherapy F-FDG PET/CT may have prognostic properties in complicated cases of TB, especially regarding therapy duration and disease extent. PMID- 29215404 TI - Quality and Safety in Health Care, Part XXXIV: Coronary Artery Disease Secondary Prevention Medications. AB - There is an important opportunity for improvement in the care of cardiology outpatients by having greater compliance with published guidelines, and the PINNACLE (Practice Innovation and Clinical Excellence) Registry seeks to do that. One of the major areas studied by this registry is the use of secondary prevention medications for patients with coronary artery disease. Appropriate use of these medications decreases later myocardial infarctions and death from a cardiac cause. PMID- 29215405 TI - 123I-FP-CIT SPECT Accurately Distinguishes Parkinsonian From Cerebellar Variant of Multiple System Atrophy. AB - PURPOSE: Dopamine transporter SPECT imaging is a valuable tool to estimate the integrity of presynaptic dopaminergic pathways in degenerative parkinsonisms. Evidence about SPECT differential pattern between parkinsonian and cerebellar forms of multiple system atrophy (MSA-P and MSA-C) is lacking. We aimed at assessing whether MSA-P and MSA-C variants have a distinct semiquantitative I-FP CIT SPECT pattern. METHODS: We studied a unicentric 13-year (2003-2016) retrospective cohort of subjects with possible or probable MSA and scanned with the same acquisition and reconstruction SPECT protocol. Age-dependent semiquantitative reference limits for striatal volumes of interest, asymmetry indices, and caudate/putamen ratio were previously established with a percentile approach on a cohort of subjects with nondegenerative conditions and normal visual scan. RESULTS: Thirty-four subjects with clinical MSA (28 MSA-P and 6 MSA C) were identified (mean age, 68.2 +/- 10.1 years; male/female ratio 1.00; disease duration, 2.5 +/- 2.2 years; Movement Disorders Society Unified Parkinson's Disease Rating Scale III score, 33.8 +/- 12.4). The MSA-P subjects exhibited lower uptake values for all volumes of interest, for example, striatal uptake on the more affected side (1.10 +/- 0.51) compared with MSA-C (2.30 +/- 0.41, P = 0.0005), as well as significantly higher asymmetry indices % (24.7 +/- 24.8 vs 6.3 +/- 4.5, P = 0.028) and caudate/putamen ratio (2.26 +/- 1.23 vs 1.13 +/- 0.17, P = 0.00148). CONCLUSIONS: The MSA-P and MSA-C subjects exhibited significantly distinct semiquantitative SPECT pattern with severe uptake impairment and high asymmetry for MSA-P and borderline uptake values for MSA-C. Clinical distinction of these 2 phenotypical entities is necessary in order to evaluate SPECT potential to discriminate between degenerative parkinsonisms. PMID- 29215406 TI - Focal 18F-DOPA Uptake in Brain Parenchyma Surrounding Developmental Venous Anomalies. AB - We report the finding of increased F-DOPA uptake within parenchyma surrounding a developmental venous anomaly, found incidentally in a 64-year-old woman undergoing PET scan to assess for Parkinson's disease. Not identified on previous T1/T2 MRI, susceptibility-weighted imaging MRI performed post-PET scan demonstrated the presence of developmental venous anomaly within the left cerebellar hemisphere. Focal uptake of F-DOPA may suggest the presence of a brain tumor and prompt invasive diagnostic investigations. Nuclear medicine physicians should be aware of this finding when interpreting F-DOPA PET and consider appropriate imaging to identify venous anomalies prior to more invasive investigations for possible brain tumors. PMID- 29215407 TI - Dilated Internal Thoracic Vertebral Venous Plexus Simulating Bone Metastases on FDG PET/CT. AB - A 42-year-old woman with a newly diagnosed malignant thymoma underwent FDG PET/CT, which demonstrated an increased uptake in anterior mediastinal tumor and several pleural masses in the right hemithorax, compatible with "drop metastases." In addition, contrast-enhanced CT images showed hyperdense abnormality in T2 vertebral body, congruent with intensely increased FDG uptake, raising suspicion of skeletal metastasis. This is a rare but important potential pitfall either in CT and FDG PET/CT-a "false-positive" bony lesion not attributed to skeletal metastasis but to dilated internal thoracic vertebral venous plexus associated with collateral circulation due to superior vena cava syndrome. PMID- 29215408 TI - 18F-FDG PET/CT Findings of Mesenchymal Chondrosarcoma of the Orbit. AB - Mesenchymal chondrosarcoma of the orbit is an extremely rare and aggressive tumor. We report image findings of F-fluorodeoxyglucose (FDG) positron emission/computed tomography (PET/CT) in 2 cases, one primary case and one recurrent case. The F-FDG PET/CT images revealed high uptake with an SUVmax of 6.7 and 11.7, respectively. In both cases, the HEY1-CoA2 gene fusion was positive. The high uptake of F-FDG in mesenchymal chondrosarcoma of the orbit well suggests the malignancy of this tumor. PMID- 29215409 TI - Imaging of Acquired Demyelinating Syndrome With 18F-FDG PET/CT. AB - Acquired demyelinating syndromes include acute disseminated encephalomyelitis, transverse myelitis and may progress to multiple sclerosis (MS). Acute disseminated encephalomyelitis is characterized by impairment of level of consciousness and multifocal neurological deficits and transverse myelitis by back pain, weakness and sphincter dysfunction. Only a few cases of acquired demyelinating syndrome have been imaged with F-FDG PET/CT. We present two such cases. PMID- 29215410 TI - Isolated Multinodular Soft-Tissue Rosai-Dorfman Disease on FDG PET/CT. AB - Rosai-Dorfman disease (sinus histiocytosis with massive lymphadenopathy) is a rare systemic histiocytic disorder of unknown etiology characterized by the accumulation of enlarged non-Langerhans histiocytes within lymph nodes and extranodal sites. The histiocytes display characteristic emperipolesis (nondestructive engulfment of inflammatory cells) and are CD68 and S100 positive and CD1a negative. Although extranodal disease frequently occurs with nodal involvement, isolated extranodal disease is uncommon. We report a case of isolated localized subcutaneous multinodular disease on FDG PET/CT. We also include a companion classic Rosai-Dorfman case with extensive nodal involvement and a characteristic benign clinical course with spontaneous improvement. PMID- 29215411 TI - A Novel Technique to Measure the Intensity of Abnormality on GI Bleeding Scans: Development, Initial Implementation, and Correlation With Conventional Angiography. AB - PURPOSE: Develop a technique to quantify intensity of lower gastrointestinal bleeding (LGIB) on Tc-labeled red blood cell (RBC) scintigraphy, correlate with angiography, and determine the tool's predictive value. MATERIALS AND METHODS: An IRB-approved, single institution database query of GI bleeding scans performed between January 2013 and December 2015. Reports from all studies and imaging from all positive studies were reviewed. A technique was developed for scan analysis, allowing for calculation of percent increase of activity in the region of interest (ROI, area of bleeding) and ROI in the aorta and liver (controls). Database query determined which patients underwent angiography, and which had positive angiograms. Median ROI percent increase in patients with positive scintigraphy and positive angiography was compared to those with positive scintigraphy and negative angiography. RESULTS: Of 194 bleeding scans performed during the study period, 71 were positive for active LGIB, 37 had angiography, and 9 had active contrast extravasation. The new tool was used to analyze the 37 cases with positive nuclear scans sent for angiography. Median percent increase in ROI activity was 50% in those with positive scan and positive angiogram and 26.8% in those with positive scan but negative angiogram. Using ROI percent change quartiles, we observed a statistically significant association between percent increase in ROI activity from baseline and the probability of having a positive angiogram (Cochran-Armitage trend test, P = 0.01), such that there are no positive angiogram cases when ROI change was <20% and a majority of the positive angiogram cases (67%) in the highest quartile. CONCLUSIONS: Utilization of processing protocol to determine percent increase in activity from baseline within ROI of active LGIB on scintigraphy has predictive value in determining which patients will not benefit from conventional angiography. PMID- 29215412 TI - Serial FDG-PET/CT Imaging in the Management of Cardiac Sarcoidosis. AB - A 60-year-old woman with biopsy-proven cardiac sarcoidosis status post implantable cardioverter defibrillator placement presented with periodic dizziness and dyspnea on exertion. Myocardial perfusion scan demonstrated a moderate sized, fixed perfusion defect along the mid to proximal anteroseptal wall of the left ventricle, with better perfusion on stress images. FDG-PET/CT demonstrated corresponding focal FDG avidity of the mid to proximal anteroseptal wall, suggestive of active cardiac sarcoidosis. Because of severe side effects, mycophenolate mofetil was discontinued, and the patient received low-dose steroid therapy. At 7-month follow-up FDG PET/CT, there was increased FDG avidity in the same regions, indicating worsening cardiac sarcoidosis. PMID- 29215413 TI - FDG-PET/CT Guided Biopsy in Angiosarcoma of Bone: Diagnosis, Staging and Beyond. AB - Primary angiosarcoma of the bone (PAB) is a particularly rare and aggressive form of malignancy in the spectrum of vascular tumours, and it accounts for less than 1% of sarcomas. This case of PAB, diagnosed thanks to FDG-PET/CT guided biopsy, is a paradigm of how powerful are clinical informations that can be derived by a F-FDG PET/CT, in view of negative or inconclusive imaging of conventional radiology, starting from the metabolic characterization of an equivocal finding, the possibility to drive the biopsy towards the most active site, the accurate total body staging, the stratification of prognosis and early therapy assessment. PMID- 29215414 TI - Unexpected Detection of Urethral Stone on 18F-NaF PET/CT. AB - A 48-year-old man was referred for an F-NaF PET/CT to examine his lower back pain. The images did not identify any osseous lesion. Unexpectedly, the images showed elevated activity in a urethral stone. The patient received urinary surgery for stone removal. PMID- 29215415 TI - Epstein-Barr Virus-Associated Hemophagocytic Lymphohistiocytosis Mimicking Lymphoma on FDG PET/CT. AB - A 15-year-old boy with fever, pancytopenia, and hepatosplenomegaly was diagnosed as hemophagocytic lymphohistiocytosis (HLH). F-FDG PET/CT showed hypermetabolic foci in the liver, spleen, and bone marrow, as well as multiple FDG-avid lymph nodes, which were highly suggestive of lymphoma. Specimens from splenectomy depicted a large number of macrophages/histiocytes with hemophagocytosis of erythrocytes, without evidence of malignancy. Considering increased Epstein-Barr virus (EBV) DNA in peripheral blood and positive staining for EBV-encoded RNA in the spleen, EBV-associated HLH was confirmed. This case indicates that FDG-avid foci in the liver, spleen, and bone marrow may also be seen in EBV-associated HLH. PMID- 29215416 TI - Cardiac Fibroma: An Uncommon Cause of a Fixed Defect on Myocardial Perfusion Imaging. AB - A 66-year-old woman was referred for evaluation of coronary artery disease. Myocardial perfusion imaging (MPI) was performed, and showed a medium-sized, severe fixed perfusion defect in the inferior and inferolateral wall from apex to midcavity. On review of prior imaging, it was noted that the patient had an incidental finding of an intramural cardiac mass on chest CT performed 8 years prior. Subsequent cardiac MRI showed findings consistent with a cardiac fibroma in the left ventricle, at the location of the perfusion defect on MPI. Our case demonstrates an uncommon cause of a fixed perfusion defect on MPI. PMID- 29215417 TI - Muramyl Dipeptide Enhances Thermal Injury-Induced Autophagy and Inflammatory Cytokine Response of Lungs via Activation of NOD2/Rick Signaling Pathway in Rats. AB - OBJECTIVE: Nucleotide-binding oligomerization domain 2 (NOD2) is the innate receptor of muramyl dipeptide (MDP). Our previous study revealed that MDP could enhance thermal injury-induced inflammatory cytokine production and organ function injury in rats. The present study was to determine the effect of MDP on autophagy and NOD2/receptor-interacting serine/threonine protein kinases (RICK) signaling pathway of lung injury after thermal injury. METHODS: Forty male Sprague-Dawlay rats were randomly divided into four groups: normal control (NC) group, MDP group, Scald group, and MDP + Scald group. Scald group only suffered 20% total body surface area third-degree (TBSA) thermal injury. MDP group was only administered 5.0 mg/kg MDP through the left femoral vein; 5.0 mg/kg MDP was administered through the left femoral vein at 24 h after thermal injury in the MDP + Scald group. RESULTS: TBSA thermal injury (20%) not only significantly increased the plasma inflammatory cytokines production, but also elevated the expression of LC3-I/II, the accumulation of autophagosome in the lung tissue. Compared with the Scald group, MDP + Scald double hit led to more serious inflammatory responses and higher expression of NOD2 mRNA, RICK, NF-kappaB p65, LC3-I/II, and the accumulation of more autophagosome in the lung tissue. CONCLUSIONS: MDP enhances thermal injury-induced autophagy and proinflammatory cytokine response of lung injury, which could be achieved via activating the NOD2/RICK signaling pathway in rats. PMID- 29215418 TI - Switching From Ticagrelor or Prasugrel to Clopidogrel. AB - Ticagrelor and prasugrel are newer antiplatelet drugs which, like clopidogrel, block the P2Y12 platelet receptor to inhibit platelet aggregation. Compared with clopidogrel, both ticagrelor and prasugrel have greater clinical efficacy but also have a higher risk of bleeding and are much more costly. Therefore, some institutions and providers switch patients from ticagrelor or prasugrel to clopidogrel in an effort to lower bleeding risk, stem costs, or otherwise ensure that patients can safely adhere to long-term P2Y12 inhibitor therapy. From a pharmacodynamic perspective, switching patients from ticagrelor or prasugrel to clopidogrel comes at a cost of less antiplatelet efficacy. However, it is unclear if antiplatelet efficacy is diminished enough to affect clinical outcomes. This is because clinical trial data investigating such a switch is scant, leaving the clinician unsure as to the acceptability of this practice. Current clinical trial data have thus far not shown any clinical detriment from switching from ticagrelor or prasugrel to clopidogrel, but there are many limitations to these investigations. So although a large-scale switch of patients from ticagrelor or prasugrel to clopidogrel is not recommended, if the patient is unable to adhere to long-term ticagrelor or prasugrel therapy, switching him/her to clopidogrel seems to be a reasonable practice to maintain chronic suppression of platelet aggregation and minimize the risk of ischemic events. PMID- 29215419 TI - Miscarriage. PMID- 29215420 TI - Interdisciplinary Guidelines for Care of Women Presenting to the Emergency Department With Pregnancy Loss. AB - In April 2016, the National Perinatal Association and Kaiser Permanente Northern California Nursing Research Community Benefits Grant sponsored an interdisciplinary summit to explore the needs of women who present with actual or potential pregnancy loss to the emergency department (ED). Thirty-two experts in the field of pregnancy loss, 17 of whom represented their professional organizations, participated. These experts, which included nurses, physicians, social workers, counselors, authors, and parents, worked together to create guidelines for care of women with a pregnancy loss in the ED. Recommendations for ED healthcare providers are included. Emergency department personnel agreed that improvements in care could be offered and were willing to endorse education for their staff. The guidelines delineate how to better provide physical, emotional, and bereavement support at any stage of gestational loss. Administrative support for policies in the ED is essential to ensure the delivery of family-centered, culturally sensitive practices when a pregnancy ends. PMID- 29215421 TI - Educating Emergency Department Nurses About Miscarriage. AB - Miscarriage is the unwanted ending of a pregnancy before 20 weeks gestation. Women experiencing miscarriage require specialized care from nurses and other healthcare professionals. Many women are dissatisfied with emergency care related to miscarriage and desire honest communication, validation of urgency, and more robust information at discharge. Perinatal bereavement education offers an opportunity for emergency department nurses to acquire specific knowledge and communication skills that assist with understanding the individualized experience of early pregnancy loss. For many women, a miscarriage is devastating, whereas for some, a part of life. Therefore, assessing the meaning of miscarriage is an essential step to providing sensitive, supportive care. Education was offered to emergency department nurses based on a 4-hour Resolve Through Sharing curriculum. Education focused on knowledge of policy and practice, medical aspects of pregnancy loss, information on how to assess the meaning of the miscarriage, respectful handling and disposition of the remains, and communication strategies to initiate and sustain a meaningful relationship with the woman and her family, within the barriers to care that are exclusive to the emergency department. Participants embraced the information and actively participated in dialogue of an evaluation process to identify needed revisions in current policies and practices for caring for this patient population. Recommendations and guidance for emergency room nurses who care for women experiencing miscarriage are offered. PMID- 29215422 TI - Maternity Nurses' Perceptions of Implementation of the Ten Steps to Successful Breastfeeding. AB - OBJECTIVE: The purpose of this study was to determine maternity nurses' perceptions of implementing the Ten Steps to Successful Breastfeeding. METHODS: An online survey and a focus group were used to evaluate perceptions of maternity nurses of implementing the Ten Steps to Successful Breastfeeding in an urban Texas hospital at the onset of the project initiation. Responses were transcribed and coded using Nvivo software. Thematic analysis was conducted and consensus was reached among the research team to validate themes. RESULTS: Twenty-eight maternity nurses participated. Nurses perceived a number of barriers to implementing the Ten Steps to Successful Breastfeeding including nurse staffing shortages, variations in practice among nurses, different levels of nurse education and knowledge about breastfeeding, lack of parental awareness and knowledge about breastfeeding, culture, and postpartum issues such as maternal fatigue, visitors, and routine required procedures during recovery care that interfered with skin-to-skin positioning. Maternity nurses desired more education about breastfeeding; specifically, a hands-on approach, rather than formal classroom instruction, to be able to promote successful implementation of the Ten Steps. CONCLUSIONS: More education on breastfeeding for new mothers, their families, and healthcare providers was recommended. Nurse staffing should be adequate to support nurses in their efforts to promote breastfeeding. Skin-to skin positioning should be integrated into the recovery period. Hospital leadership support for full implementation and policy adherence is essential. Challenges in implementing the Ten Steps were identified along with potential solutions. PMID- 29215424 TI - Intrapartum Management of Chorioamnionitis. PMID- 29215423 TI - GALT Deficiency Galactosemia. AB - Galactosemia is an inborn error of galactose metabolism that results from a deficiency in one of three enzymes, uridine diphosphate galactose 4'epimerase, galactokinase, or galactose-1-phosphate uridyltransferase (GALT). This article focuses on classical, clinical variant, and biochemical variant (Duarte) galactosemias caused by GALT enzyme deficiency. A brief overview of galactosemia and newborn screening is presented, followed by detailed information about each of the conditions. Confirmatory testing, acute and long-term management, and outcome for these galactosemia types are discussed as well as the importance of genetic counseling and testing for the infant and family to refine reproductive risk. PMID- 29215425 TI - Vegetarian Diet During Pregnancy: Making Sure Vitamin B12 Intake is Adequate. PMID- 29215426 TI - The Tragedy of Stillbirths Globally. PMID- 29215427 TI - 13 Reasons Why: A Trigger for Teen Suicide? PMID- 29215429 TI - Vaginal Seeding of Babies Born via Cesarean. PMID- 29215431 TI - GALT Deficiency Galactosemia. PMID- 29215430 TI - Clinical Aspects of Miscarriage. PMID- 29215432 TI - Western long-term accuracy of serum pepsinogen-based gastric cancer screening. AB - BACKGROUND: Even though mass gastric cancer screening is controversial in Western countries, diverse strategies have been proposed in intermediate-risk to high risk areas. AIM: The aim of this study was to determine the long-term accuracy of the pepsinogen test (PG) for early diagnosis of gastric cancer. PARTICIPANTS AND METHODS: A cohort of inhabitants from the Northern part of Portugal, aged between 40 and 74 years (n=5913), subjected to the PG test (PGI<=70 ng/ml and PGI/PGII<=3), were followed up between November 2006 and December 2015. The diagnosis of gastric cancer was determined through linkage to the population based registry of cancer [North Region Cancer Registry of Portugal (RORENO)]. RESULTS: Twenty-six gastric cancers were diagnosed (0.4%): nine (4%) among individuals 'positive' for the PG test (n=225) and 15 (0.3%) among those who were 'negative' (n=5688) [hazard ratio=12.7; 95% confidence interval (CI): 5.6-28.6]. Individuals with a 'negative PG test' had a 3-year risk of gastric cancer of 0.1%, representing a sensitivity of 35% (95% CI: 17-56%), globally, and of 58% (95% CI: 28-85%) at 3 years follow-up. The median survival rate in both groups was over 24 months. CONCLUSION: The PG test was found to be suboptimal as a screening test and, if used (before upper gastrointestinal endoscopy), it is mandatory to repeat it after 3 years. PMID- 29215433 TI - Gastritis staging as a clinical priority. AB - The elective background for gastric adenocarcinoma is the atrophic transformation of the gastric mucosa. The extent of mucosal atrophy basically parallels the risk of developing gastric cancer. This means that either noninvasive (serology) or invasive (endoscopy/histology) methods enabling the atrophic transformation to be quantified can be used theoretically to assess a given patient's gastric cancer risk. This review aims to focus on the reliability of histology gastritis Operative Link for Gastritis Assessment -staging system for assessing the 'personalized' cancer risk in individuals with (atrophic) gastritis. PMID- 29215434 TI - Family planning in inflammatory bowel disease: childlessness and disease-related concerns among female patients. AB - OBJECTIVE: Inflammatory bowel disease (IBD) frequently affects women when family planning and pregnancy (FPP) are important issues. This survey aimed to identify patients with an increased need for medical counselling. PATIENTS AND METHODS: An internet-based questionnaire was offered to women with IBD. Characteristics in terms of FPP were analysed with respect to sociodemographic and disease-related factors. RESULTS: Childlessness was frequently reported (64.8% of 443 participants). In women older than 35 years with IBD, childlessness was significantly more prevalent than that in the general population (36.7 vs. 22.9%, odds ratio=1.9, P<0.001). Overall, 44.2% of the women were satisfied with counselling in general, and only 27.3% with the specific advice on FPP. Women younger than 25 years were rarely satisfied with the advice in terms of FPP (18.2%) and demanded an intensified counselling (44.6%). Frequent concerns were the heritability of IBD (all women, 59.2%; mothers, 51.5%; childless, 62.5%, P<0.01), medication during FPP (44.7, 26.1, 52.4%, P<0.01) and miscarriage (38.9, 16.8, 48.7%, P<0.01). CONCLUSION: The prevalence of childlessness in women with IBD compared with the general population increases with age. FPP-related worries, especially in terms of heredity, medication and miscarriage, are associated with an increased risk for childlessness. The results underline the importance of qualified counselling as early as possible during the course of the disase. PMID- 29215436 TI - Phosphoinositide 3-kinases and Diabetic Cardiomyopathy. PMID- 29215435 TI - Noninvasive fibrosis markers and chronic kidney disease among adults with nonalcoholic fatty liver in USA. AB - BACKGROUND/AIMS: Studies have shown that nonalcoholic fatty liver disease (NAFLD) is associated with an increased risk of chronic kidney disease (CKD). However, it is unknown whether severe liver fibrosis is associated with a higher prevalence of CKD among NAFLD. We examined the diagnostic performance of noninvasive fibrosis markers in identifying prevalent CKD among NAFLD. METHODS: This study represents an analysis of the National Health and Nutrition Examination Survey conducted in the USA between 1988 and 1994. NAFLD was defined by ultrasonographic evidence of hepatic steatosis without other liver diseases. CKD was defined by estimated glomerular filtration rate less than 60 ml/min/1.73 m. The presence and severity of hepatic fibrosis were determined by the NAFLD fibrosis score (NFS), FIB-4 score, APRI score, and BARD score. Multiple logistic regression was performed to generate odds ratios (ORs) and receiver operating characteristic curves were used to assess the predictive values of each marker. RESULTS: A total of 4142 individuals with NAFLD were included; 200 (4.8%) had CKD. The area under the receiver operating characteristic curves was 0.77, 0.75, 0.62, and 0.51 for the multivariable equation with FIB-4, NFS, BARD, and APRI score, respectively. Compared with patients with a low probability of developing advanced liver fibrosis, individuals with a high probability of developing fibrosis showed significantly increased odds of CKD as estimated by NFS (adjusted OR: 4.92, 95% confidence interval: 2.96-8.15) and FIB-4 (adjusted OR: 2.27, 95% confidence interval: 1.05-4.52). CONCLUSION: Advanced liver fibrosis, defined by NFS and FIB 4 scores, is associated independently with CKD among individuals with NAFLD. FIB 4 is the best predictor of an increased risk of prevalent CKD. PMID- 29215437 TI - Volumetric Analysis of 700 Mandibular Condyles Based Upon Cone Beam Computed Tomography. AB - The authors' aim was to provide volumetric data of mandibular condyles based upon cone beam computed tomography with the means of semiautomatic segmentation.Retrospective chart review of 350 patients (700 mandibular condyles) with cone beam computerized tomography between February 2007 and December 2016. Univariate analysis was performed to analyze associations between variables. P values <0.05 were considered significant. Volume measurement was performed in a semiautomatic segmentation method with the program "ITK-Snap."The mean volume was 2.443 cm for the right condyle and 2.278 cm for the left condyle. Bivariate analysis indicated a highly significant difference between the volume of the left and right condyles (P < 0.01). Female had a significant smaller condyle volume than male (P < 0.01 left condyle; P < 0.01 right condyle). Volume and age did not significantly correlate (P = 0.939 right condyle; P = 0.798 left condyle).A detailed assessment of the volume of mandibular condyles with cone beam computed tomography can help to assess pathophysiological alterations.Hence, the volumetric measurement may improve patient's individualized treatment. PMID- 29215438 TI - Mucosal Dehiscence After Alveolar Bone Graft in Cleft. AB - Cleft lip and palate patient represent a challenging experience for the surgeon. This kind of patients had to be followed by a multidisciplinary team from the beginning to the end to avoid the deformation sequelae. During the several surgical procedures, the bone graft represents a possible procedure that, through the new procedure, could be avoided. Unfortunately, patient treated following the previous procedure must be submitted to alveolar bone graft to coordinate the arch, to restore the maxillary integrity, to allow the correct dentition. PMID- 29215439 TI - Age-Related Volumetric Changes in Mandibular Condyles. AB - A precise knowledge of the condylar changes with advancing age may improve understanding of pathophysiological alterations of the mandibular condyles. However, the majority of studies focusses on morphological changes, although volumetric analysis based upon cone beam computerized tomography may provide important additional data to characterize mandibular condyles. Therefore, we aimed to provide and compare volumetric data of mandibular condyles of a young and old patient group. This is a retrospective chart review of 195 patients with cone beam computerized tomography between 2007 and 2016. Student t test, analysis of variance, and Pearson correlation test were performed to analyze associations between categorical and continuous variables. P values <0.05 were considered as significant. Volume measurement was performed in a semiautomatic segmentation method with the program 'ITK-Snap.' Side- and sex-specific significant differences between condylar volumes were found both in the young and old patient cohort. Age and posterior occlusal support did not significantly correlate with the condylar volume. Volumetric measurement of the mandibular condyles may serve as an important additional characteristic, derived from 3-dimensional imaging. Significant differences in volumetric measurement of mandibular condyles exist between sex and side, but not in relation to age and occlusal support. PMID- 29215440 TI - The Aesthetic Analyzing of Midface Ratio After Folding Aponeurosis of Levator Palpebrae Superioris Muscle in the Ptosis Correction. AB - BACKGROUND: Some fordless-eyelid patients with moderate upper lid ptosis characterize in a higher eyebrow position which leads to an increased midfacial ratio. Apart from performing blepharoplasty to create dynamic folds, additional procedures such as folding aponeurosis of levator palpebrae superioris muscle were effective to revise the enlarged ratio of midface through lowering eyebrow, which gains good aesthetic results. However, the specific changes in the proportion of facial aesthetics and the importance of these change were serious lack in the literature as far as the authors know. PURPOSE: To measure the ratio of the length between upper edge of eyebrow and edge of lower eyelid (L1)/the length between edge of lower eyelid and nasal base (L2) in the fordless-eyelid and upper lid ptosis patients who received levator aponeurosis folding surgery, and to analyze the change in the proportion of midfacial aesthetics. METHOD: From December 2015 to October 2016, the pre- and postoperative photographs from 21 cases of patients with foldless eyelid and upper lid ptosis who underwent the levator aponeurosis folding procedures in the authors' department were collected as study group. Additional full-face pictures of 20 Chinese female movie stars were prepared as control group. The ratios of L1/ L2 (J) were measured via Adobe Photoshop CS6. The statistical significance was analyzed and the change of midfacial proportion was evaluated. RESULT: In the study group, the mean value of preoperative L1/L2 (J1) is 0.746, and (J2) 0.657 postoperatively. In the control group, the mean value of L1/L2 (J3) is 0.667. Statistical differences showed between the pre- and postoperative samples and between preoperative samples and control group. There was no statistical difference between postoperative samples and control group samples. The ratios between L1 and L2 in postoperative samples are close to those in the control group, which are closer to the golden radio. CONCLUSION: Levator aponeurosis folding can effectively lower eyebrow in patients with upper lid ptosis, shortening the length between eyebrow and lower eyelid, and therefore harvesting a more appropriate and harmonious ratio of L1/ L2 according to the golden section theory. The changes in the proportion of midfacial aesthetics after operation could be used as a key point in the preoperative communication and postoperative effect evaluation, besides the size of palpebral fissure and corneal exposure rate. PMID- 29215441 TI - Pierre Robin Sequence: An Evidence-Based Treatment Proposal. AB - BACKGROUND: The Pierre Robin sequence (PRS) has been defined as the presence of micrognathia, glossoptosis, and respiratory obstruction in the neonatal period. Since its original description, different therapeutic approaches have been proposed obtaining different success rates, but there is no consensus about its management. METHODS: A literature review was conducted in PubMed, Embase, and Cochrane databases, for the period of January,1985 to November, 2016. A number of 23 articles resulting from clinical studies, discussing diagnostic tests or therapeutic approaches, and directly or indirectly comparing diagnostic or treatment modalities were selected and assessed using the GRADE methodology. RESULTS: After reviewing and analyzing the selected articles, an evidence-based algorithm for diagnosis and integral management of PRS patients was designed. CONCLUSION: Based on the anatomical principles and natural evolution of PRS, the clinical scenario must be evaluated thoroughly as a dynamic event to develop a management sequence that minimizes morbidity and mortality and accelerates patients' reinsertion to normal life. PMID- 29215442 TI - An Anatomic Morphological Study of Occipital Spurs in Human Skulls. AB - Occipital spurs are quite common; however, they are also the source of frequent discomfort to the patients. Their role has been implicated in causation of pain at the base of skull, which may extend to shoulder limiting the movement of the shoulder and neck. The present was carried out to find out the prevalence of occipital spur in human skull and to find out the anatomic morphological characteristics of occipital spur. A total of 30 cadaveric skulls were examined in the Department of Anatomy, Uttar Pradesh University of Medical Sciences, for the presence of occipital spur. These skulls were the part of boneset obtained as a part of undergraduate training in the department. All the measurements were taken using a digital Vernier Caliper after taking all necessary precaution to avoid any damage to these spurs. The prevalence of occipital spur in the present study was 10%. The mean width recorded in the present study was 13.40 mm (+/-6.7) and the mean length recorded was 13.45 mm (+/-1.05). Similarly, mean thickness noted was 2.43 mm (+/-0.43). Thus, the present study concludes that occipital spurs are the frequent source of discomfort to patients. The knowledge of this tubercle is of paramount importance to neurosurgeons, sports physicians, and radiologists for the diagnosis of such discomfort. PMID- 29215443 TI - Scaffold Free Bone Regeneration Using Platelet-Rich Fibrin in Calvarial Defect Model. AB - Bone regeneration is a complex process influenced by various physiological factors. Platelet-rich plasma (PRP) contains many growth factors and has shown osteogenic effects. The PRP is usually activated before use. However, the authors showed that nonactivated PRP (nPRP) and activated PRP have comparable osteogenic effects in the previous study. Generally, a scaffold has been needed for the application of PRP in the cranial defect model. In this study, the authors aimed to compare the performance of scaffold free platelet-rich fibrin (PRF) to nPRP as an adjuvant for bone regeneration.Twenty-four New Zealand White rabbits were randomly allocated into 3 groups: control, nPRP, and PRF. A 15 * 15 mm defect was created on each rabbit's cranium. Acellular collagen sponges (Gelfoam) were placed on the defects of the control group, Gelfoam with nPRP was used for the nPRP group, and PRF membrane was directly applied for the PRF group. nPRP and PRF were obtained from each subject's peripheral blood. Sixteen weeks later, the volume of regenerated bone was measured using 3-dimensional computed tomography. The surface area was measured via autopsy, and the samples were then obtained for histological analysis.Bone regeneration in the experimental groups was significantly greater than that in the control group. There were no significant differences in the area of regeneration or histological characteristics between the nPRP and PRF groups.In the calvarial defect of the rabbits, the use of PRF and scaffolded PRP showed comparable bone regeneration effects, which suggested that PRF might be a therapeutic alternative for bone grafts. PMID- 29215444 TI - Mandibular Reconstruction by Osteogenic Distraction Due to Two Different Injuries. AB - Varied factors, whether intrinsic or extrinsic, may lead to a decrease in the bone volume of the jaws. Trauma and pathology can be listed as examples of such factors. The aim of this study is to present the osteogenic distraction technique as alternative to augmentation of low mandibular bone volume caused by different etiologies. The first case reports a mandibular marginal resection of ameloblastoma and the second one reports a male patient presenting mandibular fracture sequelae. Both cases were treated according to the osteogenic distraction technique. Several factors have influence on the decision of treatment management of these conditions. Although autogenous bonegraft is considered criterion standard for alveolar reconstruction, its high rates of resorption and the morbidity associated to donor sites lead surgeons to seek for other surgical alternatives such as osteogenic distraction. Therefore, it also aims to expose the advantages and benefits of this technique as well as the satisfactory results achieved. PMID- 29215445 TI - Detailed Anatomy of Osteoperiosteal Ligamentous Structures in the Forehead. AB - This study aimed to present the anatomic characteristics of osteoperiosteal ligamentous attachments of the forehead and provide a better understanding of lateral eyebrow descent for safe and effective foreheadplasty. Anatomic dissections of the face were performed in 10 fresh Korean adult cadavers (20 hemifaces) using 2.5* magnification surgical loupes. Supraorbital, inferomedial orbital, and frontonasal osteoperiosteal ligamentous attachments were identified as fibrous tissues originating from a bone, and their tensile strengths were measured. The supraorbital osteoperiosteal ligamentous attachment had medial and lateral parts. It can be classified into 4 subtypes. It was located 11.0 +/- 6.6 mm lateral to the midline and 9.2 +/- 12.3 mm superior to the superior orbital margin. The inferomedial orbital osteoperiosteal ligamentous attachment was located 16.2 +/- 3.9 mm lateral to the midline and 2.2 +/- 2.7 mm inferior to the superior orbital margin, whereas the frontonasal osteoperiosteal ligamentous attachment was located 5.4 +/- 2.3 mm lateral to the midline and 1.4 +/- 8.5 mm superior to the superior orbital margin. Tensile strengths of all the osteoperiosteal ligamentous attachments in the forehead were above 10 N. These results indicate that osteoperiosteal ligamentous attachments develop in the rather medial region of the eyebrow and have a tensile strength adequate enough to maintain the medial eyebrow. Thus, the current study provides surgeons with detailed anatomic information that can be used as a valuable reference for forehead rejuvenation procedures. PMID- 29215446 TI - Nasal Septal Cavernous Hemangioma. AB - Hemangiomas are benign tumors originating from the skin, mucosa, muscle, gland, and vascular tissue in the bone. Although it is common in the head and neck region, it is rarely seen in the nasal cavity and paranasal sinuses. Histologically capillary, cavernous, and mixed types are present, the most common is cavernous-type hemangioma. Cavernous hemangiomas in the nasal cavity, generally originated from the lateral nasal wall, cause symptoms as nasal obstruction and epistaxis. In the author's patient, cavernous hemangioma was originated from the nasal septum, where rarely seen. The author wanted to discuss this rare disease by presenting a 78-year-old woman who presented with nasal obstruction and recurrent epistaxis to the author's clinic. PMID- 29215447 TI - Cross-Sectional Study of four Serological Bone Turnover Markers for the Risk Assessment of Medication-Related Osteonecrosis of the Jaw. AB - BACKGROUND: Despite the benefits related to the use of bisphosphonates and denosumab, medication-related osteonecrosis of the jaw (MRONJ) is a serious complication. The purpose of this study was to investigate the utility of 4 biochemical markers including serum c-terminal telopeptide cross-link of type I collagen (s-CTX), serum osteocalcin (s-OC), serum parathormon (s-PTH), and serum bone-specific alkaline phosphatase (s-BAP) as useful clinical tools to help assess the risk for MRONJ prior to invasive oral surgery. MATERIALS AND METHODS: Twenty patients diagnosed with MRONJ and 20 controls who have been on antiresorptive therapies with no occurrence of MRONJ were included in this 2-arm cross-sectional study. The s-CTX, s-OC, s-PTH, and s-BAP values were measured. Mann-Whitney U test compared the s-CTX, s-OC, s-PTH, and s-BAP values of the MRONJ group and the controls (P < 0.05). RESULTS: Lower values were observed in the MRONJ group compared with the control group for s-CTX (130.00 pg/mL versus 230.0 pg/mL; P = 0.12) and for s-OC (10.6 ng/mL versus 14.80 ng/mL; P = 0.051) both without significance and for s-BAP (0.23 MUkat/L versus 0.31 MUkat/L; P = 0.002) with significance. By contrast, the median s-PTH value of the MRONJ group was higher (30.65 ng/L versus 25.50 ng/L; P = 0.89), but without significance. CONCLUSIONS: The evaluation of the 4 biochemical markers showed that only the value of s-BAP was significantly decreased in the MRONJ patients compared with the controls. Presently, because of the lack of evidence, a routine check prior to oral surgery for the risk assessment of MRONJ cannot be recommended. PMID- 29215449 TI - Seasonal Variation of Orofacial Clefts. AB - BACKGROUND: Orofacial clefts represent the most common craniofacial malformation diagnosed at birth and may be divided into isolated cleft lip (CL), cleft lip and palate (CL/P), or isolated cleft palate (CP). The causes of orofacial clefts have long been understood to be multifactorial; however, research into the genetic and environmental factors underpinning these disorders in African populations is scant. Seasonal variation in the occurrence of orofacial clefts was investigated. Seasonal variation is defined as differences due to periodic, temporal, and external influences, namely the particular time or season of the year. METHODS: The study design is a retrospective record review and sampled patients presenting to the Cleft Clinic at Charlotte Maxeke Johannesburg Academic Hospital during the time period October 2000 to October 2015. Ethical approval was obtained. Information recorded included patient demographics (date of birth and gender), diagnosis and laterality of the cleft. RESULTS: This study includes 512 infants. This study shows seasonal variation in the incidence of orofacial clefts limited to patients with both a CL/P. There was no significant seasonal variation observed in isolated CL or CP and laterality of the cleft. Significant seasonal variation was observed only in those born in winter versus summer, with more children born with a CL/P in winter months. CONCLUSION: Seasonal (or temporal) variation indicates a distinct environmental influence on the formation of orofacial clefts in utero, more specifically in pregnancies with the first trimester during spring. Several reasons have been advanced and include sunlight exposure and vitamin D levels, weight gain, and maternal obesity. More study is required to further elucidate these reasons. PMID- 29215450 TI - Tracing the Use of Cautery in the Modern Surgery. PMID- 29215451 TI - Mandibular Reconstruction Using a Customized Three-Dimensional Titanium Implant Applied on the Lingual Surface of the Mandible. AB - A patient had a right mandibular defect due to resection of an ameloblastoma. Previously, the defect had been reconstructed by an iliac bone graft, and subsequently, a titanium mesh with xenograft was used. However, it was not successfully reconstructed. For the recovery of mandible continuity and rehabilitation of jaw movement, we manufactured a customized 3-dimensional titanium implant by computer-aided design and manufacturing and electron beam melting technology. This implant was designed to have a porous body structure and lingual plate. The customized implant was accurately inserted in the bony defect. As a result, the patient showed a normal range of mouth opening and jaw movement. New bone migration was observed in the porous structure of the implant. Although there was a slight plate exposure and lack of alveolar bone formation, the customized 3D titanium implant successfully reconstructed the mandibular discontinuous defect and recovered jaw movement. PMID- 29215453 TI - Generalized Periodic Discharges With and Without Triphasic Morphology. AB - PURPOSE: Generalized periodic discharges (GPDs) with a triphasic morphology have been associated with nonepileptic encephalopathies. We conducted the study to assess the reliability in which electroencephalographers can differentiate triphasic from nontriphasic periodic discharges and to evaluate for the presence of electroencephalogram and clinical characteristics that are associated with a higher risk of seizures. METHODS: We studied prospectively 92 patients between May 2016 and February 2017. Each pattern was analyzed by two readers, who were blinded to clinical data. RESULTS: The interrater agreement was "substantial" (Kappa 0.67). The following features significantly increased the risk of developing seizures: the absence of triphasic morphology, focality on electroencephalogram, interburst suppression, a history of epilepsy, and an abnormal scan. The "GPD score" includes a history of epilepsy, focality on electroencephalogram, and the absence of triphasic morphology. A GPD score of 0 has 13% risk of seizures, whereas a score of 5 to 6 has a 94% risk. CONCLUSIONS: Triphasic morphology GPDs confer less risk of seizures when compared with patients with GPDs without triphasic morphology. Features with a higher risk of seizures include focality on electroencephalogram, interburst suppression, a history of epilepsy, and an abnormal scan. The GPD score can be used to assess the risk of developing seizures in patients with GPDs. PMID- 29215455 TI - The Relationship Between Childhood Trauma and Poor Sleep Health in Adulthood. AB - OBJECTIVE: Childhood trauma has been related to adverse behavioral, mental, and health outcomes later in life. Sleep may be a potential mechanism through which childhood trauma is related to adverse health. The current retrospective study aimed to characterize the relationship between childhood trauma exposure and sleep health, a novel multidimensional measure of sleep. METHODS: Participants (N = 161; mean [standard deviation] age = 59.85 [9.06] years; 67.7% female) retrospectively reported trauma exposure using the Trauma History Questionnaire. Childhood trauma was defined as the number of reported traumatic events before 18 years of age. Trauma exposure after 18 years of age and across the life-span was also recorded. Sleep health was derived both from diary- and actigraphy-assessed measures of sleep regularity, timing, efficiency, and duration, subjective sleep satisfaction, and daytime sleepiness from the Epworth Sleepiness Scale. The relationships between childhood trauma exposure and sleep health were examined using hierarchical linear regression, controlling for relevant covariates. RESULTS: In unadjusted models, a greater number of childhood trauma exposures were associated with poorer diary- and actigraphy-measured sleep health in adulthood. After adjustment for current stress, depression history, and other sociodemographic covariates, greater childhood trauma remained significantly associated with poorer sleep health (diary: beta = -0.20, DeltaR = 0.032; actigraphy: beta = -0.19, DeltaR = 0.027). Trauma exposure after 18 years of age and across the life-span did not relate to diary- or actigraphy-based sleep health. CONCLUSIONS: Childhood trauma may affect sleep health in adulthood. These findings align with the growing body of evidence linking childhood trauma to adverse health outcomes later in life. PMID- 29215457 TI - Associations of Positive Affect and Negative Affect With Allostatic Load: A Lifelines Cohort Study. AB - OBJECTIVE: Allostatic load (AL) reflects the deteriorating influences of stress on the body and comprises a selection of biological markers. AL is associated with negative life events, stress, and negative affect (NA), as well as poor health outcomes. However, whether AL is also associated with positive affect (PA) is not clear. The present study therefore explores the association between PA and AL, accounting for age, sex, NA, and health behaviors. METHODS: Data of 45,225 individuals from the first wave of the multidisciplinary prospective population based cohort study Lifelines were used. AL was operationalized as the sum of 12 inflammatory, cardiovascular, and metabolic markers. The association between PA and AL was tested in a cross-sectional study design using multiple linear regression analysis, adjusting for NA, confounders, and health behaviors. In addition, we explored whether the relation was moderated by age, sex, and NA. RESULTS: The AL profile was inversely associated with PA (B = -0.083, p < .001) when adjusted for NA, age, and sex. The association between AL and PA remained significant after adjusting for health behaviors (B = -0.076, p < .001). A significant moderating effect was found for sex (PA by sex: B = 0.046, p = .001), indicating that the association between PA and AL was stronger in women than in men. CONCLUSIONS: PA was associated with a more favorable AL profile, especially in women. These results add to the evidence that PA might be of relevance to the etiology of disease. PMID- 29215456 TI - Child and Adult Socioeconomic Status and the Cortisol Response to Acute Stress: Evidence From the Multi-Ethnic Study of Atherosclerosis. AB - OBJECTIVE: A long-hypothesized pathway through which low socioeconomic status (SES) harms health is through dysregulation of the physiologic stress response systems. No previous studies have tested this hypothesis by investigating cortisol reactivity and recovery to acute stress in relation to SES at different times in the life course in adults. Alteration of the cortisol response to an acute stressor could signal dysregulation of the hypothalamic-pituitary-adrenal axis and has been associated with chronic illness. METHODS: We used data on 997 adults 54 years or older from a multiethnic, multisite United States study to examine associations between life course SES and cortisol response to a laboratory stress challenge. Informed by life course theory, we hypothesized that lower child and adult SES would be associated with lower reactivity (i.e., smaller increase in cortisol) and a slower recovery rate (i.e., slower rate of decline in cortisol after the challenge). RESULTS: In demographics-adjusted multilevel piecewise linear regression models, low child and adult SES were associated with a 19% (95% CI = 4%-50%) and 27% (7%-55%) slower recovery rate compared with high child and adult SES, respectively. Compared with participants with stable high SES, those with stable low SES had a 48% (16%-70%) slower recovery rate. Differences in reactivity by SES were small. CONCLUSIONS: Our results support the hypothesis that low SES throughout life affects the hypothalamic-pituitary-adrenal axis and in turn the ability to recover from exposure to acute stressors. This mechanism can help explain how socioeconomic disparities contribute to disparities in chronic disease. PMID- 29215458 TI - Recurrence of Renal Cell Cancer After Renal Transplantation in a Multicenter French Cohort. AB - BACKGROUND: Renal cancer accounts for 3% of adult malignancies; renal cell carcinoma (RCC) represents 80% of all renal cancers, and is characterized by late recurrences. Recurrences after kidney transplantation are associated with a high mortality rate. We aimed to determine if recurrences are linked to tumor characteristics and to delays between diagnosis and transplantation. METHODS: We retrospectively analyzed data from French kidney-transplanted patients with medical histories of pretransplant renal cancer, focusing on the most common histological subtypes: clear cell and papillary cancers. Characteristics of the tumors, patients, and kidney transplantations were documented, and posttransplant patient survival was analyzed. RESULTS: Of 143 patients, 13 experienced cancer recurrence after kidney transplantation. The mean delay in recurrence was 3 +/- 2.3 years posttransplantation, and the cumulative incidences of recurrence were 7.7% at 5 years and 14.9% at 10 years. The risk of recurrence was higher in patients with clear cell RCC (13% vs 0%, P = 0.015). There was no correlation between posttransplant recurrence and the interval before transplantation. Factors associated with a higher risk of cancer recurrence were histological clear cell RCC (P = 0.025), tumor stage pT2 (P = 0.002), and Fuhrman grade IV (P < 0.001). Recurrences were associated with a high mortality rate; 76.9% of patients with recurrences had died by the end of the follow-up period. CONCLUSIONS: Recurrences of clear cell RCC are not uncommon after kidney transplantation and are associated with very poor prognoses. These results should be considered before listing patients with a history of renal cancer for transplantation. PMID- 29215460 TI - Comparison of Preemptive Therapy and Antiviral Prophylaxis for Prevention of Cytomegalovirus in Seropositive Liver Transplant Recipients. AB - BACKGROUND: Few studies have directly compared preemptive therapy (PET) and antiviral prophylaxis (AP) for prevention of cytomegalovirus (CMV) disease in CMV seropositive (R+) orthotopic liver transplant (OLT) recipients. METHODS: We prospectively assessed CMV disease and clinical outcomes among 160 consecutive R+ OLT recipients who received PET (weekly plasma CMV PCR for 3 months, oral valganciclovir 900 mg twice daily for CMV viremia >250 IU/mL, until 2 consecutive negative weekly PCR results) and compared them with a historical cohort of 156 R+ recipients who received AP (valganciclovir, 900 mg daily for 3 months). RESULTS: Patient characteristics were similar between PET and AP cohorts (P > 0.05 all comparisons). In the PET group, 24% (39/160) developed CMV viremia greater than 250 IU/mL at a median of 42 (range, 7-93) days post-OLT. CMV monitoring adherence in the PET cohort was 85% (1488/1760 required tests) and 86% (30/36) initiated PET within 3 days of the CMV result. By 12 months post-OLT, the incidence of CMV disease, acute allograft rejection, major infection, or death in the PET and AP cohorts was not significantly different: 2% versus 2%, 19% versus 16%, 10.5% versus 10.8%, and 5% versus 8%, respectively (P > 0.05 all comparisons). The estimated proportion of drug-exposed patients and average antiviral drug exposure were significantly lower with PET versus AP: 24% versus 100%, P < 0.001, and 15.8 versus 81 g per patient, P < 0.001, respectively. CONCLUSIONS: PET is feasible in a nonresearch setting and is associated with similar CMV disease rates and other clinically relevant outcomes to AP in CMV seropositive liver transplant recipients. PMID- 29215461 TI - Influence of Blood Pressure and Calcineurin Inhibitors on Kidney Function After Heart or Liver Transplantation. AB - BACKGROUND: Chronic kidney disease is common after heart or liver transplantation, with calcineurin inhibitors (CNI) considered the key contributor. A possible influence of posttransplant blood pressure has not been extensively examined. METHODS: Data from adult recipients of a first heart or liver transplant were analyzed regarding the relationship between blood pressure at year 1, renal function at year 5, and CNI therapy. RESULTS: Although we confirmed the well-known detrimental effect of increased 1-year systolic blood pressure on 5-year kidney graft survival, heart or liver graft survival was not affected. However, among 2534 heart transplant recipients with good renal function at year 1, increasing systolic blood pressure at year 1 was associated with higher rates of poor renal function at year 5 posttransplant. This association was confirmed on multivariate analysis overall (odds ratio, 1.25 per 20 mm Hg increment; P < 0.001) and within subgroups. Similar results were observed in 1822 liver transplant recipients (odds ratio, 1.35; P < 0.001). Neither the type of CNI nor CNI dose or trough level at year 1 showed a significant association with kidney function at year 5. CONCLUSIONS: One-year blood pressure was identified as the major modifiable risk factor associated with deteriorating kidney function between years 1 and 5 after heart or liver transplantation. PMID- 29215459 TI - Complete B Cell Deficiency Reduces Allograft Inflammation and Intragraft Macrophages in a Rat Kidney Transplant Model. AB - BACKGROUND: Increasingly, it is being appreciated that B cells have broad roles beyond the humoral response and are able to contribute to and regulate inflammation. The specific role of B cells in the pathogenesis of early allograft inflammation remains unclear. METHODS: To address this question, we generated B cell-deficient (B) Lewis rats via clustered regularly interspaced short palindromic repeats (CRISPR) technology. In a full mismatch transplant model, kidneys from Brown Norway donors were transplanted into B Lewis recipients or wild type Lewis recipients. T cell-mediated rejection was attenuated with cyclosporine. RESULTS: Renal inflammation was reduced at 1 week after transplant (Banff scores for interstitial inflammation, microvascular inflammation, glomerulitis, and C4d) in allografts from B recipients. The reduction in interstitial inflammation was predominantly due to a decline in graft infiltrating macrophages. Intragraft T-cell numbers remained unchanged. In addition, B-cell deficiency was associated with increased T regulatory cells and reduced splenic T follicular helper cells at baseline; and significantly increased intragraft and splenic IL-10 mRNA levels after transplant. In vitro, B and wild type splenic T cells produced similar levels of IFN-gamma in response to T cell-specific activation. CONCLUSIONS: B-cell deficiency in this model produced an anti-inflammatory phenotype with a shift toward regulatory T-cell populations, production of anti-inflammatory cytokines (IL-10), and a reduction in allograft inflammation. These findings define a role for B cells to influence the cell populations and mediators involved in the pathogenesis of early allograft inflammation. PMID- 29215462 TI - Liver Transplantation in Cryptogenic Cirrhosis: Outcome Comparisons Between NASH, Alcoholic, and AIH Cirrhosis. AB - BACKGROUND: The outcomes of liver transplantation (LT) in patients with cryptogenic cirrhosis (CC) have not been adequately examined except for small case series. We believe that patients currently listed as CC have truly cryptogenic liver disease and may have different post-LT outcomes compared with nonalcoholic steatohepatitis (NASH). METHODS: We compared the post-LT outcomes of adults with CC (n = 3241) and compared them with cirrhosis from NASH (n = 4089), alcoholic cirrhosis (AC) (n = 7837), and autoimmune hepatitis (AIH) (n = 1435) using the United Network for Organ Sharing database from 2002 to 2016. We excluded those who had multiorgan transplantation and hepatocellular carcinoma. In addition to the well-known predictors of liver transplant outcomes, we analyzed the impact of Karnofsky Performance Status score at LT on immediate and late outcomes. RESULTS: There were significant differences in clinical characteristics between the groups. Despite these differences in clinical characteristics and risk factors, CC had similar graft and patient survival to NASH, AC, and AIH when assessed by Kaplan-Meier survival. Multivariate Cox regression analysis showed that graft and patient survival was similar in all 4 groups after adjusting for other confounders. Hispanics had a 24% lower risk of death (hazard ratio, 0.76) compared with whites in these combined cohorts after adjusting for all risk factors. In addition to other known risk factors, Karnofsky Performance Status score of 30% or less was associated with a 33% increase in risk of death (hazard ratio, 1.33) on multivariate analysis. CONCLUSION: Patients with CC had similar graft and patient survival when compared with NASH, AC, and AIH cirrhosis. PMID- 29215463 TI - Variation in Practice Patterns for Listing Patients for Renal Transplantation in the United Kingdom: A National Survey. AB - BACKGROUND: Despite the availability of guidelines for the evaluation of candidates for renal transplantation, variation in access to transplantation exists. This national survey investigates whether center variation exists in the assessment of patients for renal transplantation in the United Kingdom. METHODS: An online survey, informed by qualitative interviews, was distributed to all UK renal centers. This survey examined center approaches to chronic kidney disease service provision, transplant recipient assessment, education provision, and waitlisting decision making processes. Center reevaluation policies for patients already listed and priorities for future development were also examined. RESULTS: All 71 renal centers responded. Of these, 83% reviewed predialysis patients in a low clearance clinic. In 26% of the centers, transplantation was not discussed as a treatment option with all patients. Fourteen centers reported having a dedicated transplant assessment clinic, whereas 28% did not have a formal assessment protocol. Age was an exclusion criterion for listing in 3 centers, all of which had a cutoff at 75 years. Eighty-three percent of the centers excluded patients with a high body mass index. Cardiac investigations were risk-stratified in 90% of centers. Surgical involvement varied with 11% of centers listing patients without formal surgical review. There was no formal protocol in place to reevaluate listed patients in 62% of centers. CONCLUSIONS: There is wide variation in UK practice patterns for listing patients for renal transplantation, though its impact on access to transplantation is unclear. The extent to which center-specific and patient-specific factors affect access to transplantation requires further analysis in a prospective cohort of patients. PMID- 29215464 TI - Difference in phase modulation of corticospinal excitability during the observation of the action of walking, with and without motor imagery. AB - The aim of the current study was to clarify how corticospinal excitability (CSE) is modulated during the observation of the action of walking, combined with motor imagery (MI). We examined the difference in phase modulation of CSE with and without MI during the observation of the action of walking. We measured motor evoked potentials in tibialis anterior and soleus muscles using transcranial magnetic stimulation under the following conditions: (1) baseline, (2) action observation (AO), and (3) AO and MI. Our results showed that, compared with AO alone, AO and MI of walking increased motor-evoked potentials. Our results suggest that CSE may be facilitated during AO and MI of walking, rather than during AO alone. Further, we postulated that AO and MI of walking may facilitate CSE in the tibialis anterior in a manner such as that evoked during actual walking. PMID- 29215465 TI - Expression of tissue inhibitor of metalloproteinases and matrix metalloproteinases in the ischemic brain of photothrombosis model mice. AB - Middle cerebral artery occlusion (MCAO) is the most widely used animal model of ischemic stroke. This model well recapitulates the pathological features of most human cases; however, MCAO is technically difficult to achieve in mice and has some disadvantages for investigating the molecular mechanisms of pathological progression in stroke. The recently developed photothrombosis model may be more suitable for research on the molecular mechanisms of ischemic stroke in mice. Yet, similarities and differences between the photothrombosis and MCAO models are not well characterized. In the present study, we examined the expression of tissue inhibitor of metalloproteinases (TIMPs) and matrix metalloproteinases (MMPs) in the brains of photothrombosis model mice. Our results indicated that the gene expression of TIMP-1 was upregulated in endothelial cells in the pathological area surrounding the infarction, similar to the MCAO model. Yet, pathologically induced changes in TIMP-1 were not affected by treatment with aspirin or etodolac. Whereas MMP-2 and MMP-8 mRNA were upregulated after infarction in both models, MMP-9 expression, which is induced in the infarct area in the MCAO model, was unchanged in the photothrombosis model. These findings suggest that the expression patterns of TIMP-1 and MMP-9 are regulated independently in photothrombosis model mice. PMID- 29215466 TI - Sensitivity of Takifugu TRPA1 to thermal stimulations analyzed in oocytes expression system. AB - Transient receptor potential ankyrin 1 (TRPA1s) from insects and several tetrapod vertebrates except rodents have been reported to be activated by high temperature with a relatively clear threshold. Our previous report, however, indicated that oocytes expressing zebrafish TRPA1b showed cold and heat-induced responses. Further, we also observed that zebrafish TRPA1b was gradually heat activated without a clear threshold. To study the possibility that these unique properties of thermal sensing of zebrafish TRPA1b are common to TRPA1s from other fish, we focused on the thermal response of pufferfish transient receptor potential ankyrin 1 (pfTRPA1) in the present study. By the two-electrode voltage clamp method using the Xenopus oocyte expression system, ionic currents were analyzed. Although some batches of pfTRPA1-expressing oocytes responded only to cold or heat stimulation, dual sensitivity to both cold and heat stimuli associated with pfTRPA1 expression was repeatedly observed. We detected a rapid response of oocytes expressing pfTRPA1 below 10 degrees C and also a gradual activation above 25 degrees C without an apparent threshold. The results indicated that these thermal sensitivities of fish TRPA1 are clearly different from those of TRPA1s of tetrapod vertebrates. PMID- 29215467 TI - Cytosolic aspartate aminotransferase mediates the mitochondrial membrane potential and cell survival by maintaining the calcium homeostasis of BV2 microglia. AB - Both mitochondrial aspartate aminotransferase (mAST) and cytosolic aspartate aminotransferase (cAST) are important components in the malate-aspartate shuttle one of the two types of NADH shuttles in cells. A major goal of our current study was to determine specifically the roles of cAST in maintaining the [Ca]i, mitochondrial membrane potential and the survival of BV2 microglia by applying molecular approach to modulate the cAST levels. Our study found that decreased cAST by cAST siRNA can lead to significant increases in the [Ca]i, mitochondrial depolarization and apoptosis of BV2 microglia. The cAST siRNA-induced mitochondrial depolarization can be significantly attenuated by an inhibitor of calpain. We further found that the cAST siRNA-induced apoptosis can be prevented by the calpain inhibitor. Collectively, our study suggests that decreased cAST induces calpain activation by increasing the [Ca]i of BV2 microglia, resulting in mitochondrial depolarization and cell death. Moreover, our data suggest that decreased cAST may produce these pathological effects by malate-aspartate shuttle independent pathways. PMID- 29215468 TI - Task-based metabolic changes in the left dorsolateral prefrontal region during the letter N-back working memory task using proton magnetic resonance spectroscopy. AB - Neuroimaging and electrophysiological studies have consistently provided evidence on the role of dorsolateral prefrontal cortex in working memory. Recent studies have shown that the changes in metabolites in the brain could be detected upon functional activation using proton magnetic resonance spectroscopy. Therefore, we carried out a study in healthy control participants to understand the changes in metabolites during a letter N-back working memory task in the left dorsolateral prefrontal region. Single-voxel spectra were acquired from the left dorsolateral prefrontal region in 10 healthy control participants. The concentrations of metabolites were measured using a point-resolved spectroscopy sequence at three different time points, namely, before, during, and after the performance of the task. Repeated-measures analysis of variance indicated a main effect of time for glutamate concentrations and not for other metabolites. The healthy control participants showed a significant increase in glutamate concentrations during the performance of the letter N-back task. It was then followed by a significant decrease in the glutamate concentrations returning to the baseline after the task. The proposed method would be useful in understanding the dynamic changes in glutamate during the letter N-back task to examine the cognitive impairment in various neurodegenerative and psychiatric disorders. PMID- 29215469 TI - Multimodality coronary imaging to predict periprocedural myocardial necrosis after an elective percutaneous coronary intervention. AB - BACKGROUND: Although multiple imaging modalities have been tested to predict periprocedural myocardial necrosis (PMN), the superior predictive efficacy of these imaging findings has not been established fully. We sought to evaluate which findings of the coronary imaging tools would best provide predictive efficacy of PMN among optical coherence tomography (OCT), intravascular ultrasound (IVUS), and coronary computed tomography (CCT) angiography. PATIENTS AND METHODS: A total of 130 patients with stable angina pectoris who underwent OCT, IVUS, and CCT examinations for a single de-novo preprocedural lesion were investigated. PMN was defined on the basis of two different thresholds of cardiac troponin I (cTnI) elevation: moderate PMN [five times the upper reference limit (URL)20 times the URL). RESULTS: Moderate PMN and major PMN were observed in 25 (19.2%) and 10 (7.7%) patients, respectively. Multivariate logistic regression analysis identified four independent predictors of PMN (moderate PMN and major PMN): IVUS-defined echo-attenuated plaque (EAP), OCT-defined thin-cap fibroatheroma, OCT-defined plaque rupture, and CCT-defined low-attenuation plaque (P<0.05 for all variables). For major PMN, EAP length [odds ratio=1.80 (95% confidence interval: 1.20-2.69), P<0.01] and OCT minimum cap thickness [odds ratio=0.95 (95% confidence interval: 0.91-0.99), P<0.01] were identified as independent predictors. CONCLUSION: IVUS-derived EAP length and OCT minimum cap thickness were significant and specific predictors of major PMN among the examined multimodality plaque features, although all three modalities independently provided imaging findings of significant predictive efficacy for PMN more than five times the URL for cTnI. PMID- 29215470 TI - Invasive assessment of microvascular function in patients with valvular heart disease. AB - BACKGROUND: The aim of this study was to investigate microvascular function in patients with valvular heart disease (VHD), which causes chronic left ventricular volume and/or pressure overload, therefore change in coronary microvascular hemodynamics. PATIENTS AND METHODS: We prospectively enrolled 30 patients with VHD considered for surgery (10 aortic stenosis, 12 aortic regurgitation, and eight mitral regurgitation) and 30 controls. Intracoronary physiological assessments were performed in the unobstructed left anterior descending artery using a pressure-temperature sensor guidewire at rest and hyperemia. RESULTS: The index of microcirculatory resistance (IMR) was similar between the two groups (16.2+/-6.5 vs. 16.2+/-8.5, P=0.997), whereas coronary flow reserve (CFR) was lower in the VHD group compared with the controls (3.2+/-1.4 vs. 4.3+/-1.7, P=0.005). Resting and hyperemic coronary distal pressure, and hyperemic mean transit time were similar between VHD and controls, whereas resting mean transit time was significantly shorter (0.70+/-0.29 vs. 0.89+/-0.39, P=0.035) and baseline resting microvascular resistance was significantly lower in the VHD group compared with the controls (58.1+/-25.4 vs. 78.1+/-36.7, P=0.011). Patients with aortic stenosis showed numerically higher IMR values than aortic regurgitation, mitral regurgitation, and controls, although this was not statistically significant (20.4+/-6.9, P=0.14). CFR was significantly correlated with log high-sensitivity cardiac troponin T levels in patients with VHD (r= 0.523, P=0.004). CONCLUSION: CFR was reduced in patients with VHD compared with controls, despite similar microvascular function as assessed by IMR. This appeared to be mainly because of an increased resting coronary flow accompanied by a decreased resting coronary microvascular resistance rather than microvascular disease. PMID- 29215471 TI - Long-term outcomes of a recanalized thrombus treated with a paclitaxel-coated balloon: insights from optical coherence tomography. PMID- 29215472 TI - Intraplaque hemorrhage in a patient with acute coronary syndrome: insights from multimodality imaging. PMID- 29215473 TI - Duodenal Adenomas in Patients With Multiple Colorectal Adenomas Without Germline APC or MUTYH Mutations. AB - BACKGROUND: Patients with genetic adenomatous polyposis syndromes have an increased risk for duodenal cancer, and clear surveillance recommendations exist for this group. However, limited data are available on the duodenal phenotype of patients with multiple colorectal adenomas (10-99) without a germline APC or MUTYH mutation. OBJECTIVE: We aimed to assess the frequency, extent, and progression of duodenal adenomas in patients with multiple colorectal adenomas without a germline APC or MUTYH mutation. DESIGN: This was an historical cohort study. SETTINGS: This study was undertaken at 2 polyposis registries: the Academic Medical Center in the Netherlands, and St. Mark's Hospital in the United Kingdom. PATIENTS: We collected data on all patients with 10 to 99 colorectal adenomas and absent APC and MUTYH mutations, who underwent >=1 esophagogastroduodenoscopy. MAIN OUTCOME MEASURES: The frequency, extent, and progression of duodenal adenomas were measured. Demographic and endoscopic data were collected, described, and compared between patients with and without duodenal adenomas. RESULTS: Eighty-three patients were identified, of which 8 (9.6%) had duodenal adenomas, detected at a median of 58 years (range, 45-75 y). Duodenal adenomas were detected in 6 of 8 patients at first esophagogastroduodenoscopy. At diagnosis, all 8 patients had Spigelman stage I or II disease. Two of 5 patients with duodenal adenomas who underwent follow-up esophagogastroduodenoscopies increased to stage III disease. The other 3 remained stable. No one developed duodenal cancer. No differences in demographic and endoscopic data were found between patients with and without duodenal adenomas. LIMITATIONS: This study was limited by its retrospective design, selection bias, and small sample size. CONCLUSIONS: Duodenal adenomas are found in a minority of patients with multiple colorectal adenomas without a germline APC or MUTYH mutation, at an average age of 58 years, and, at diagnosis, disease severity is mild. These results are a first step in unraveling the duodenal phenotype of these patients, which is needed to provide appropriate upper GI screening and surveillance recommendations. See Video Abstract at http://links.lww.com/DCR/A357. PMID- 29215474 TI - Assessment of Ileostomy Output Using Telemedicine: A Feasibility Trial. AB - BACKGROUND: Ileostomies are a routine part of the care of patients with rectal cancer, but are associated with significant risk for dehydration, readmission, and acute kidney injury. Telemedicine has proven beneficial in decreasing readmission in chronic medical illnesses, but its utility in patients with an ileostomy is not well studied. OBJECTIVE: The purpose of this study was to evaluate the feasibility of televideoconferencing in the assessment of ileostomy output. DESIGN: An institutional review board-approved, prospective clinical trial was conducted at a single institution from November 2014 through December 2015. SETTINGS: The study was conducted in a single, large academic medical center. PATIENTS: Patients >18 years of age undergoing surgery with plans for ileostomy were eligible. INTERVENTIONS: Televideoconference assessments of ileostomy output and the need for medical intervention were conducted during the postoperative stay and compared with in-person assessment. MAIN OUTCOME MEASURES: The primary end point of the trial was the feasibility of using teleconferencing to assess the need for medical intervention, defined as 90% agreement between telemedicine and in-person assessments. Secondary end points included patient/provider satisfaction, and correlative studies examined dehydration events and readmission. RESULTS: Twenty-seven patients underwent 44 teleconferencing assessments of ileostomy output. Compared with in-person treatment decisions, there was a 95% match (95% CI, 85%-99%). The readmission rate for the study participants was 31%, and 18% experienced dehydration events. Both patients and faculty responded favorably to surveys regarding the use of telemedicine in the perioperative period. LIMITATIONS: The study is limited by its in-hospital use of technology and small sample size. CONCLUSIONS: Televideoconference evaluation is a feasible, reliable means of assessing ileostomy output with high patient and physician acceptance. Our pilot study provides rationale for further study in the postdischarge setting for patients with ileostomies. The incorporation of televideoconference assessment within a teledischarge program may enable early intervention to improve patient outcomes. See Video Abstract at http://links.lww.com/DCR/A455. PMID- 29215475 TI - An Effective Bundled Approach Reduces Surgical Site Infections in a High-Outlier Colorectal Unit. AB - BACKGROUND: Surgical site infections are the most common hospital-acquired infection after colorectal surgery, increasing morbidity, mortality, and hospital costs. OBJECTIVE: The purpose of this study was to investigate the impact of preventive measures on colorectal surgical site infection rates in a high-volume institution that performs inherent high-risk procedures. DESIGN: This was a prospective cohort study. SETTINGS: The study was conducted at a high-volume, specialized colorectal surgery department. PATIENTS: The Prospective Surgical Site Infection Prevention Bundle Project included 14 preoperative, intraoperative, and postoperative measures to reduce surgical site infection occurrence after colorectal surgery. Surgical site infections within 30 days of the index operation were examined for patients during the 1-year period after the surgical site infection prevention bundle was implemented. The data collection and outcomes for this period were compared with the year immediately before the implementation of bundle elements. All of the patients who underwent elective colorectal surgery by a total of 17 surgeons were included. The following procedures were excluded from the analysis to obtain a homogeneous patient population: ileostomy closure and anorectal and enterocutaneous fistula repair. MAIN OUTCOME MEASURES: Surgical site infection occurring within 30 days of the index operation was measured. Surgical site infection-related outcomes after implementation of the bundle (bundle February 2014 to February 2015) were compared with same period a year before the implementation of bundle elements (prebundle February 2013 to February 2014). RESULTS: Between 2013 and 2015, 2250 abdominal colorectal surgical procedures were performed, including 986 (43.8%) during the prebundle period and 1264 (56.2%) after the bundle project. Patient characteristics and comorbidities were similar in both periods. Compliance with preventive measures ranged between 75% and 99% during the bundle period. The overall surgical site infection rate decreased from 11.8% prebundle to 6.6% at the bundle period (P < 0.001). Although a decrease for all types of surgical site infections was observed after the bundle implementation, a significant reduction was achieved in the organ-space subgroup (5.5%-1.7%; P < 0.001). LIMITATION: We were unable to predict the specific contributions the constituent bundle interventions made to the surgical site infection reduction. CONCLUSIONS: The prospective Surgical Site Infection Prevention Bundle Project resulted in a substantial decline in surgical site infection rates in our department. Collaborative and enduring efforts among multiple providers are critical to achieve a sustained reduction See Video Abstract at http://links.lww.com/DCR/A438. PMID- 29215476 TI - Clinical Outcomes of Self-Expandable Metal Stents for Malignant Rectal Obstruction. AB - BACKGROUND: Self-expandable metal stents are widely used to treat malignant colorectal obstruction. However, data on clinical outcomes of stent placement for rectal obstruction specifically are lacking. OBJECTIVE: We aimed to investigate the clinical outcomes of self-expandable metal stents in malignant rectal obstruction in comparison with those in left colonic obstruction and to identify factors associated with clinical failure and complication. DESIGN: This was a retrospective study. SETTINGS: The study was conducted at a tertiary care center. PATIENTS: Between January 2005 and December 2013, medical charts of patients who underwent stent placement for malignant rectal or left colonic obstruction were reviewed retrospectively. INTERVENTION: Study intervention included self expandable metal stent placement. MAIN OUTCOME MEASURES: Technical success, clinical success, and complications were measured. RESULTS: Technical success rates for the 2 study groups (rectum vs left colon, 93.5% vs 93.1%; p = 0.86) did not differ significantly; however, the clinical success rate was lower in patients with rectal obstruction (85.4% vs 92.1%; p = 0.02). In addition, the complication rate was higher in patients with rectal obstruction (37.4% vs 25.1%; p = 0.01). Patients with rectal obstruction showed higher rates of obstruction because of extracolonic malignancy (33.8% vs 15.8%; p < 0.001) and stent use for palliation (78.6% vs 56.3%; p < 0.001). Multivariate analysis indicated obstruction attributed to extracolonic malignancy and covered stent usage to be independent risk factors for clinical failure. Factors predictive of complications in the palliative group were total obstruction, obstruction because of extracolonic malignancy, and covered stent usage. LIMITATIONS: This was a retrospective, single-center study. CONCLUSIONS: The efficacy and safety of stent placement for malignant rectal obstruction were comparable with those for left colonic obstruction. However, obstruction attributed to extracolonic malignancy, use of covered stents, and total obstruction negatively impacted clinical outcomes of self-expandable metal stent placement and must be considered by endoscopists. See Video Abstract at http://links.lww.com/DCR/A417. PMID- 29215477 TI - Prophylactic Ureteral Catheters for Colectomy: A National Surgical Quality Improvement Program-Based Analysis. AB - BACKGROUND: Despite improvement in technique and technology, using prophylactic ureteral catheters to avoid iatrogenic ureteral injury during colectomy remains controversial. OBJECTIVE: The aim of this study was to evaluate outcomes and costs attributable to prophylactic ureteral catheters with colectomy. DESIGN: This was a retrospective study. SETTINGS: The study was conducted at a single tertiary care center. PATIENTS: The colectomy-targeted American College of Surgeons National Surgical Quality Improvement Program database from 2012 to 2014 was queried. MAIN OUTCOME MEASURES: The primary end point was the rate of 30-day ureteral injury after colectomy. Univariate and multivariate analyses determined factors associated with ureteral injury and urinary tract infection in patients undergoing colectomy. RESULTS: A total of 51,125 patients were identified with a mean age of 60.9 +/- 14.9 years and a BMI of 28.4 +/- 6.7 k/m; 4.90% (n = 2486) of colectomies were performed with prophylactic catheters, and 333 ureteral injuries (0.65%) were identified. Prophylactic ureteral catheters were most commonly used for diverticular disease (42.2%; n = 1048), with injury occurring most often during colectomy for diverticular disease (36.0%; n = 120). Univariate analysis of outcomes demonstrated higher rates of ileus, wound infection, urinary tract infection, urinary tract infection as reason for readmission, superficial site infection, and 30-day readmission in patients with prophylactic ureteral catheter placement. On multivariate analysis, prophylactic ureteral catheter placement was associated with a lower rate of ureteral injury (OR = 0.45 (95% CI, 0.25-0.81)). LIMITATIONS: This was a retrospective study using a clinical data set. CONCLUSIONS: Here, prophylactic ureteral catheters were used in 4.9% of colectomies and most commonly for diverticulitis. On multivariate analysis, prophylactic catheter placement was associated with a lower rate of ureteral injury. Additional research is needed to delineate patient populations most likely to benefit from prophylactic ureteral stent placement. See Video Abstract at http://links.lww.com/DCR/A482. PMID- 29215478 TI - Tranexamic Acid for Lower GI Hemorrhage: A Randomized Placebo-Controlled Clinical Trial. AB - BACKGROUND: Lower GI hemorrhage is a common source of morbidity and mortality. Tranexamic acid is an antifibrinolytic that has been shown to reduce blood loss in a variety of clinical conditions. Information regarding the use of tranexamic acid in treating lower GI hemorrhage is lacking. OBJECTIVE: The aim of this trial was to determine the clinical efficacy of tranexamic acid when used for lower GI hemorrhage. DESIGN: This was a prospective, double-blind, placebo-controlled, randomized clinical trial. SETTINGS: The study was conducted at a tertiary referral university hospital in Australia. PATIENTS: Consecutive patients aged >18 years with lower GI hemorrhage requiring hospital admission from November 2011 to January 2014 were screened for trial eligibility (N = 265). INTERVENTIONS: A total of 100 patients were recruited after exclusions and were randomly assigned 1:1 to either tranexamic acid or placebo. MAIN OUTCOME MEASURES: The primary outcome was blood loss as determined by reduction in hemoglobin levels. The secondary outcomes were transfusion rates, transfusion volume, intervention rates for bleeding, length of hospital stay, readmission, and complication rates. RESULTS: There was no difference between groups with respect to hemoglobin drop (11 g/L of tranexamic acid vs 13 g/L of placebo; p = 0.9445). There was no difference with respect to transfusion rates (14/49 tranexamic acid vs 16/47 placebo; p = 0.661), mean transfusion volume (1.27 vs 1.93 units; p = 0.355), intervention rates (7/49 vs 13/47; p = 0.134), length of hospital stay (4.67 vs 4.74 d; p = 0.934), readmission, or complication rates. No complications occurred as a direct result of tranexamic acid use. LIMITATIONS: A larger multicenter trial may be required to determine whether there are more subtle advantages with tranexamic acid use in some of the secondary outcomes. CONCLUSIONS: Tranexamic acid does not appear to decrease blood loss or improve clinical outcomes in patients presenting with lower GI hemorrhage in the context of this trial. see Video Abstract at http://links.lww.com/DCR/A453. PMID- 29215479 TI - Major Abdominal and Perianal Surgery in Crohn's Disease: Long-term Follow-up of Australian Patients With Crohn's Disease. AB - BACKGROUND: Most patients with Crohn's disease still require surgery despite significant advances in medical therapy, surveillance, and management strategies. OBJECTIVE: The purpose of this study was to assess surgical strategies and outcomes in Crohn's disease, including surgical recurrence and emergency surgery. DESIGN: This was a multicenter, retrospective review of a prospectively collected database. SETTINGS: A specialist-referred cohort of patients with Crohn's disease between 1970 and 2009 was studied. PATIENTS: Included were 972 patients with Crohn's disease who were referred to the Sydney Inflammatory Bowel Disease cohort database. MAIN OUTCOME MEASURES: Main outcomes of interest were the rates of major abdominal and perianal surgery between decades (1970-1979, 1980-1989, 1990 1999, and 2000-2009), indications for surgery, types of procedure performed, rate of elective and emergency surgery, risk of surgical recurrence, and predictive factors for surgery. RESULTS: Between 1970 and 2009, the overall risks of surgery within 5, 10, and 15 years of diagnosis were 31.7%, 43.3%, and 48.4%. The median time to first surgery from time of diagnosis was 2 years (range, 0-31 years). A total of 6.7% of patients required emergency surgery within 5 years of diagnosis. In total, 8.8% of patients required emergency surgery within 15 years. The overall risk of surgical recurrence was 35.9%. The risk of major abdominal surgery significantly decreased between 2000 and 2009 when compared with the 1970 to 1979 period (OR = 0.49 (95% CI, 0.34-0.70). However, the rate of perianal surgery significantly increased (OR = 5.76 (95% CI, 2.54-13.06)). The main indications for surgery were enteric stricture or obstruction, perianal disease, and intra-abdominal fistulas/abscess. Of the 972 patients over 4 decades, only 11 patients (1.1%) were diagnosed with colorectal cancer. LIMITATIONS: This was a specialist-referred cohort, not a population-based study. CONCLUSIONS: The rate of major abdominal surgery has decreased, with surgery reserved for more severe and complicated disease. The natural history of patients with more complicated Crohn's disease and severe phenotypes puts them at higher risk of surgical recurrence and emergency surgery. There has been no reduction in emergency surgery rates and there has been an increase in surgical recurrence despite the reduction in surgical rate morbidity. See Video Abstract at http://links.lww.com/DCR/A483. PMID- 29215480 TI - Optimal Surveillance Protocols After Curative Resection in Patients With Stage IV Colorectal Cancer: A Multicenter Retrospective Study. AB - BACKGROUND: After patients with stage IV colorectal cancer undergo curative surgical resection, there is a large risk for recurrence. To establish optimal surveillance guidelines, an understanding of the temporal risk factors for recurrence is necessary. OBJECTIVE: The primary aim of our study was to determine predictors for early (within 1 year), middle (1-2 years), and late (2 years or later) recurrence following curative resection in patients with stage IV colorectal cancer. DESIGN: This was a retrospective cohort study. SETTINGS: The study was conducted at multiple institutions. PATIENTS: The retrospective cohort study comprised 1070 patients with stage IV colorectal cancer after an R0 resection for the primary and metastatic lesions in 19 institutions from January 1997 to December 2007. MAIN OUTCOME MEASURES: Risk factors for early, middle, and late recurrence were determined by logistic regression and Cox proportional hazards models. RESULTS: The overall recurrence rate was 73% (784/1070). Cancer specific survival was 29.5 months, and recurrence-free survival was 8.9 months. Early recurrence occurred in 488 (62%), middle recurrence in 184 (24%), and late recurrence in 112 (14%). In multivariable analysis, early recurrence risk factors included rectum site, depth of tumor invasion (T4), increasing N-staging, venous invasion, and liver metastasis. Late recurrence risk factors were tumor size <=50 mm, and peritoneal dissemination. LIMITATIONS: Because of the retrospective nature of this study, postoperative therapy was not standardized. CONCLUSIONS: Risk factors differ for early, middle, and late recurrences of stage IV colorectal cancer following curative resection. Early (within 1 year) recurrence factors were rectum site, T4, N-staging, venous invasion, and liver metastasis, whereas late (2 years or later) recurrence risk factors were small tumor size and peritoneal dissemination. Our study provides important data to guide a surveillance protocol following stage IV colorectal cancer curative resection. See Video Abstract at http://links.lww.com/DCR/A460. PMID- 29215481 TI - Trends in Surgeon-Level Utilization of Sacral Nerve Stimulator Implantation for Fecal Incontinence in New York State. AB - BACKGROUND: There is a paucity of real-world data regarding surgeon utilization of sacral nerve stimulation for fecal incontinence compared with anal sphincteroplasty. OBJECTIVE: This study aims to examine trends in sacral nerve stimulation use compared with sphincteroplasty for fecal incontinence and surgeon level variation in progression to implantation of the pulse generator. DESIGN: This is a population-based study. PATIENTS: Patients with fecal incontinence between 2011 and 2014 in New York who underwent stage 1 of the sacral nerve stimulation procedure were selected. For the comparison with sphincteroplasty, patients with fecal incontinence who underwent anal sphincteroplasty between 2008 and 2014 were included. MAIN OUTCOME MEASURES: The main outcomes after sacral nerve stimulation generator placement were unplanned 30-day admission, emergency department visit within 30 days, revision or explant of leads or generator, and 30-day mortality. RESULTS: Six hundred twenty-one patients with fecal incontinence underwent a stage 1 procedure with 79.7% progressing to stage 2. There has been an increase in the number of sacral nerve stimulation cases per year as well as the number of surgeons performing the procedure. The rate of progression to stage 2 among patients treated by colorectal surgeons was 80.2% compared with 77.0% among those treated by noncolorectal surgeons. Among those who completed stage 2, there were 3 (0.5%) unplanned 30-day admissions, 24 (4.4%) emergency department visits within 30 days, and 0 mortalities within 30 days. Thirty-two (6.5%) patients had their leads or pulse generator revised or explanted. There was a significant decrease in annual sphincteroplasty cases and the number of providers performing the procedure starting in 2011. LIMITATIONS: We lacked data regarding patient and physician decision making and the severity of disease. CONCLUSIONS: Sacral nerve stimulation for fecal incontinence is increasing in popularity with an increasing number of surgeons utilizing sacral nerve stimulation for fecal incontinence rather than sphincteroplasty. See Video Abstract at http://links.lww.com/DCR/A450. PMID- 29215482 TI - Association of Telomere Length With Chromosomal Damage Among Chinese Workers Exposed to Vinyl Chloride Monomer. AB - OBJECTIVE: To explore the relationship between relative telomere length (RTL) and chromosomal damage represented by micronucleus (MN) frequencies among vinyl chloride monomer (VCM) -exposed workers. METHODS: A group of 126 VCM-exposed workers, 60 internal controls, and 25 external controls were examined for RTL by Quantitative polymerase chain reaction and MN frequencies by cytokinesis-block micronucleus test. Cumulative exposure dose was used to estimate the exposure of VCM-exposed workers. RESULTS: The RTL were significantly shorter in exposed workers and internal controls than in external controls. The exposed workers had significantly increased MN frequencies than both control groups. Additionally, MN frequencies were negatively associated with RTL in VCM-exposed group. CONCLUSIONS: VCM exposure may alter telomere length, which could be a potential biomarker of susceptibility to chromosomal damage. PMID- 29215483 TI - Mortality Among Hardmetal Production Workers: The Swedish Cohort. AB - BACKGROUND: The mortality pattern was determined in a cohort of 16,999 white and blue-collar workers in the Swedish hardmetal industry, particularly for cobalt exposure and lung cancer. METHODS: The mortality follow-up analysis in the Swedish Mortality register covered the period from 1952 to 2012. The exposure measures were ever/never exposed, duration of exposure, cumulative, and mean cobalt concentrations. RESULTS: The mortality of all causes was significantly increased, highly associated with the short-term employed workers. A negative exposure-response was found for lung cancer and duration of exposure. An exposure response was determined for cumulative and mean cobalt exposures analyzed by quartiles, but not for exposure classes. Internal comparison analysis using proportional hazard showed no exposure-response. CONCLUSIONS: The cohort lung cancer mortality showed no correlation to cobalt, nickel, or tungsten exposure. PMID- 29215484 TI - Mortality Among Hardmetal Production Workers: German Historical Cohort Study. AB - OBJECTIVE: The aim of this study was to investigate a cohort in German hardmetal industry, especially relationship between exposures to cobalt, with and without tungsten, and risks of total and cause-specific mortality. METHODS: The cohort comprises blue-collar workers at three German plants who were employed in hardmetal processing. Individual cumulative exposures and long-term average concentrations were estimated for cobalt, nickel, tungsten, respirable, and inhalable dust. Standardized mortality ratios (SMRs) were calculated for external comparisons. Time-dependent multivariable Cox models were performed for internal analyses. RESULTS: Elevated SMRs were found for all-cause, heart diseases, and nonmalignant respiratory diseases mortality, but not for lung cancer. Internal analyses did not show increased risks for any endpoints, and no exposure-response relationship was indicated. CONCLUSIONS: This study does not provide evidence for elevated lung cancer risks. Methodologic limitations, incomplete ascertainment of death causes in particular, impede conclusions about exposure effects. PMID- 29215485 TI - Mortality Among Hardmetal Production Workers: US Cohort and Nested Case-Control Studies. AB - OBJECTIVES: To evaluate total and cause-specific mortality among hardmetal production workers with emphasis on lung cancer. METHODS: Subjects were 7304 workers ever employed in one of eight US plants from 1952 to 2008. Vital status through 2012 was determined for 97% of subjects and cause of death for 98.3% of 1087 deaths. We computed standardized mortality ratios (SMRs) and evaluated exposure-response via relative risk regression analysis. RESULTS: We observed overall deficits in deaths for total mortality, all cancers, and lung cancer and found no evidence of any exposure-response relationships for lung cancer. CONCLUSIONS: We found no evidence that exposure to tungsten, cobalt, or nickel, at levels experienced by the workers examined, increases lung cancer mortality risks. We also found no evidence that work in the US hardmetal industry increases mortality risks from any other causes of death. PMID- 29215486 TI - Mortality Among Hardmetal Production Workers: Swedish Measurement Data and Exposure Assessment. AB - BACKGROUND: Mortality pattern was determined in a cohort of 16,999 white and blue collar workers in the Swedish hardmetal industry. Exposure assessment for cobalt is presented. METHODS: A historical database (1970 to 2012) of personal and area measurements of cobalt, tungsten, and nickel in the Swedish hardmetal industry was created. Log linear and exponential modeling of cobalt concentrations based on time period, job, and site was performed, and cumulative and mean exposures were calculated. RESULTS: Some 37% of the personal cobalt measurements exceeded 0.02 mg/m, mostly for powder production, pressing, and shaping. The log linear regression showed statistical differences (P < 0.05) between sites, time periods, and jobs. Some 1.6% of the cobalt cumulative exposures for blue-collar workers exceeded 0.4 mg/m years. CONCLUSION: Low levels of cumulative and mean exposures were determined. PMID- 29215487 TI - Mortality Among Hardmetal Production Workers: Pooled Analysis of Cohort Data From an International Investigation. AB - OBJECTIVES: Based on a pooled analysis of data from an international study, evaluate total and cause-specific mortality among hardmetal production workers with emphasis on lung cancer. METHODS: Study members were 32,354 workers from three companies and 17 manufacturing sites in five countries. We computed standardized mortality ratios and evaluated exposure-response via relative risk regression analysis. RESULTS: Among long-term workers, we observed overall deficits or slight excesses in deaths for total mortality, all cancers, and lung cancer and found no evidence of any exposure-response relationships for lung cancer. CONCLUSIONS: We found no evidence that duration, average intensity, or cumulative exposure to tungsten, cobalt, or nickel, at levels experienced by the workers examined, increases lung cancer mortality risks. We also found no evidence that work in these facilities increased mortality risks from any other causes of death. PMID- 29215489 TI - Withdrawal of Advanced Notice of Proposed Rulemaking (ANPRM) on Obstructive Sleep Apnea (OSA) Does Not Mean Examiners and Employers Should Ignore Safety Risks. PMID- 29215488 TI - Cancer Incidence Among Hardmetal Production Workers: The Swedish Cohort. AB - : The cancer incidence was determined for 3713 workers from three plants from 1958 to 2011. The exposure measures were ever/never exposed, duration, cumulative, and mean cobalt concentrations.The incidence of all malignant neoplasms was increased at one plant, but standardized incidence ratio (SIR) was 0.96 for all workers. Lung cancer incidence was increased for all workers, SIR 1.38 (1.01 to 1.85). The lung cancer incidence was associated with shorter employment time and showed no exposure-response. There was decreased incidence for skin cancer. Increased lip cancer incidence found at one of the production plants might be related to diagnostic intensity.Lung cancer incidence showed no correlation to cobalt exposure based on internal comparison. The increased SIR for all workers might be associated with other factors. PMID- 29215492 TI - Postoperative Opioid Use, Complications, and Costs in Surgical Management of Lumbar Spondylolisthesis. AB - STUDY DESIGN: Retrospective analysis on a national longitudinal database (2007 2014). OBJECTIVE: To determine the association between arthrodesis and complication rates, costs, surgical revision, and postoperative opioid prescription. SUMMARY OF BACKGROUND DATA: Arthrodesis in patients receiving laminectomy for lumbar spondylolisthesis remains controversial. However, population-level evidence to support the use of arthrodesis remains limited. METHODS: We identified 73,176 patient records and used coarsened exact matching to create comparable populations of patients who received laminectomy or laminectomy with arthrodesis. We use linear and logistic regression models to analyze the relationship between arthrodesis and postoperative complications, length of stay, costs, readmissions, surgical revisions, and postoperative opioid prescribing. RESULTS: Patients who underwent arthrodesis spent 1 more day in the hospital on average (P < 0.01), and had higher costs of care at their index visit ($24,126, P < 0.01), which were partially offset by lower costs of care over the 2 years following their procedure ($14,667 less in arthrodesis patients, P = 0.01). Patients with arthrodesis were less likely to have a surgical revision (odds ratio = 0.66, P < 0.01). Patients with arthrodesis used more opioids in the first 2 months following their procedure, but had comparable opioid use to patients undergoing laminectomy without arthrodesis in all other postoperative months over the next 2 years, and were not more or less likely to convert to chronic opioid use. Postoperative opioid prescription varied dramatically across states (P < 0.01); geographic variation in opioid use is substantially greater than differences in opioid use based on procedure performed. CONCLUSION: Arthrodesis is associated with reduced likelihood of surgical revision and increased use of opioids in the first 2 months following surgery, but not associated with greater or lesser opioid use beyond the initial 2 postoperative months. Geographic variation in opioid use is substantial even after accounting for patient characteristics and for whether patients underwent arthrodesis. LEVEL OF EVIDENCE: 3. PMID- 29215493 TI - Minimally Invasive Lateral Lumbar Interbody Fusion for Adult Spinal Deformity: Clinical and Radiological Efficacy With Minimum Two Years Follow-up. AB - STUDY DESIGN: A retrospective cohort study. OBJECTIVE: To evaluate the clinical and radiological efficacies of supplementing minimally invasive lateral lumbar interbody fusion (LLIF) with open posterior spinal fusion (PSF) in adult spinal deformity (ASD). SUMMARY OF BACKGROUND DATA: Minimally invasive techniques have been increasingly applied for surgery of ASD. Few reports have been published that directly compare LLIF combined with PSF to conventional PSF for ASD. METHODS: To evaluate the advantages of minimally invasive LLIF for ASD, patients who underwent minimally invasive LLIF followed by open PSF (combined group) were compared with patients who only underwent PSF (only PSF group). The clinical and radiological outcomes for deformity correction and indirect decompression were assessed. The occurrence of proximal junctional kyphosis (PJK) and proximal junctional failure (PJF) were also evaluated. RESULTS: No significant differences were observed in the clinical outcomes of the Oswestry Disability Index (ODI), visual analog scale, and major complications including reoperations between the groups. No additional advantage was found for coronal deformity correction, but the restoration of lumbar lordosis in the combined group was significantly higher postoperatively (15.3 degrees vs. 8.87 degrees , P = 0.003) and last follow-up (6.69 degrees vs. 1.02 degrees , P = 0.029) compared to that of the only PSF group. In the subgroup analysis for indirect decompression for the combined group, a significant increase of canal area (104 vs. 122 mm) and foraminal height (16.2 vs. 18.5 mm) was noted. The occurrence of PJK or PJF was significantly higher in the combined group than in the only PSF group (P = 0.039). CONCLUSION: LLIF has advantages of indirect decompression and greater improvements of sagittal correction compared to only posterior surgery. LLIF should be conducted considering the above-mentioned benefits and complications including PJK or PJF in ASD. LEVEL OF EVIDENCE: 4. PMID- 29215494 TI - Descriptive Analysis of State and Federal Spine Surgery Malpractice Litigation in the United States. AB - STUDY DESIGN: A retrospective review. OBJECTIVE: This study aimed to determine the factors associated with malpractice litigation in cases involving spine surgery in the United States. SUMMARY OF BACKGROUND DATA: Medical malpractice is of substantial interest to the medical community due to concerns of increased health care costs and medical decision-making for the sole purpose of reducing legal liability. METHODS: The Westlaw online legal database (Thomson Reuters, New York, NY) was searched for verdict and settlement reports pertaining to spine surgery from 2010 to 2015. Data were collected regarding type of procedure, patient age and gender, defendant specialty, outcome, award, alleged cause of malpractice, and factors involved in the plaintiff's decision to file. Initial search queried 187 cases, after which exclusion criteria were applied to eliminate duplicates and cases unrelated to spine surgery, yielding a total of 98 cases for analysis. RESULTS: The verdict was in favor of the defendant in 62 cases (63.3%). Neurosurgeons and orthopedic surgeons were the most common defendants in 29 (17.3%) and 40 (23.8%) of the cases, respectively. A perceived lack of informed consent was noted as a factor in 24 (24.4%) of the cases. A failure to diagnose or a failure to treat was noted in 31 (31.6%) and 32 (32.7%) cases, respectively. Median payments for plaintiff verdicts were nearly double those of settlements ($2,525,000 vs. $1,300,000). A greater incidence of plaintiff verdicts was noted in cases in which a failure to treat (P < 0.05) was cited, a patient death occurred (P < 0.05), or an emergent surgery had been performed (P < 0.01). CONCLUSION: Overall, physicians were not found liable in the majority of spine surgery malpractice cases queried. LEVEL OF EVIDENCE: 4. PMID- 29215495 TI - Caregiver Perceptions and Health-Related Quality-of-Life Changes in Cerebral Palsy Patients After Spinal Arthrodesis. AB - STUDY DESIGN: A retrospective analysis of a prospective registry. OBJECTIVE: Our objective was to prospectively assess caregivers' perceptions regarding changes in the health-related quality of life (HRQL) of patients with cerebral palsy (CP) after spinal arthrodesis. We assessed caregiver perceptions from three perspectives: 1) qualitative assessment of changes in global quality of life, comfort, and health; 2) relative valuation of spine surgery versus other common interventions in CP patients; and 3) quantitative changes in HRQL scores. SUMMARY OF BACKGROUND DATA: Studies of children with CP who undergo surgical treatment of spinal deformity have focused largely on radiographic changes. METHODS: We queried a multicenter prospective registry of CP patients with level IV or V motor function according to the Gross Motor Function Classification System who were treated with spinal arthrodesis, and whose caregivers completed preoperative and 2-year postoperative qualitative and quantitative HRQL surveys. A total of 212 caregivers and their patients were included in the study. RESULTS: At 2-year follow-up, most caregivers reported that patients' global quality of life, comfort, and health were "a lot better" after spinal arthrodesis. Spinal arthrodesis was ranked as the most beneficial intervention in the patients' lives by 74% of caregivers, ahead of hip, knee, and foot surgeries and baclofen pump insertion. Gastrostomy tube insertion was the only intervention ranked superior to spinal arthrodesis in terms of impact. Quantitative HRQL scores improved significantly during 2-year follow-up across various domains. CONCLUSION: In qualitative and quantitative HRQL assessments, caregivers reported overall improvement in patients' lives after spinal arthrodesis. Caregivers ranked spine surgery as the most beneficial intervention in the patients' lives, secondary only to gastrostomy tube insertion. LEVEL OF EVIDENCE: 2. PMID- 29215496 TI - Comparing Health-Related Quality of Life Outcomes in Patients Undergoing Either Primary or Revision Anterior Cervical Discectomy and Fusion. AB - STUDY DESIGN: A retrospective review of prospectively collected data. OBJECTIVE: Compare health-related quality of life (HRQOL) outcome metrics in patients undergoing primary and revision anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA: ACDF is associated with significant improvements in HRQOL outcome metrics. However, 2.9% of patients per year will develop symptomatic adjacent segment disease and there is a paucity of literature on HRQOL outcomes after revision ACDF. METHODS: Patients were identified who underwent either a primary or revision ACDF, and who had both preoperative and a minimum of 1-year postoperative HRQOL outcome data. Pre- and postoperative Short Form 12 Physical Component Score (SF12 PCS), Short Form 12 Mental Component Score (SF12 MCS) Visual Analog Scale for neck pain (VAS-Neck), VAS-Arm, and Neck Disability Index (NDI) scores were compared. RESULTS: A total of 360 patients (299 primary, 61 revision) were identified. Significant improvement in SF12 PCS, NDI, VAS-Neck, and VAS-Arm was seen in both groups; however, only a significant improvement in SF12 MCS was seen in the primary group. When comparing the results of a primary versus a revision surgery, the SF12 PCS score was the only outcome with a significantly different net improvement in the primary group (7.23 +/- 9.72) compared to the revision group (2.9 +/- 11.07; P = 0.006) despite similar baseline SF12 PCS scores. The improvement in each of the other reported HRQOL outcomes did not significantly vary between surgical groups. CONCLUSION: A revision ACDF for cervical radiculopathy or myelopathy leads to a significant improvement in the HRQOL outcome, and with the exception of the SF12 PCS, these results are similar to those of patients undergoing a primary ACDF. LEVEL OF EVIDENCE: 2. PMID- 29215497 TI - Sex Differences for Anterior Cervical Fusion: Complications and Length of Stay. AB - STUDY DESIGN: Retrospective cohort. OBJECTIVE: To assess differences in baseline characteristics between sexes of patients undergoing anterior cervical discectomy and fusion (ACDF) and risk factors for adverse outcomes according to sex. SUMMARY OF BACKGROUND DATA: ACDF is a common treatment for cervical spine disease. To reduce the rate of complications, risk factors associated with adverse events have been identified. However, few studies have examined the risk for inferior outcomes or complications after ACDF by sex. METHODS: The American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database was used to identify patients who underwent ACDF from 2005 through 2014. Data collected included demographics, comorbidities, operative characteristics, and postoperative adverse events. Demographic and comorbidity variables were compared between men and women using chi-squared analysis. Perioperative outcomes were compared between groups using multivariate linear regression or Poisson regression with robust error variance controlling for preoperative characteristics. RESULTS: In the 20,383 patients who met inclusion criteria, the male cohort was slightly older, less likely to be normal weight or morbidly obese, and had a higher incidence of diabetes and hypertension (P < 0.001 for each). Male sex was associated with a greater risk of any adverse event (relative risk = 1.2; P = 0.043), as well as any severe adverse event (relative risk = 1.4; P = 0.001). Moreover, male sex exhibited longer operative times compared to the female group (127 vs. 117 min; beta = 10; P < 0.001). CONCLUSION: The results of the current study suggest male sex is associated with an increased risk of adverse events following ACDF. Male sex has previously been demonstrated to correlate with medical comorbidities, which may be partly responsible for the increased morbidity. Because of the contrasting evidence throughout the literature, further studies are required to better elucidate this effect. LEVEL OF EVIDENCE: 3. PMID- 29215498 TI - Postoperative Deep Vein Thrombosis, Pulmonary Embolism, and Myocardial Infarction: Complications After Therapeutic Anticoagulation in the Patient With Spine Trauma. AB - STUDY DESIGN: A retrospective review (2001-2014) was conducted using prospectively collected data at a level I trauma center. OBJECTIVE: We sought to determine the incidence and characteristics of complications occurring secondary to therapeutic anticoagulation in adult spine trauma patients. SUMMARY OF BACKGROUND DATA: Numerous studies have assessed prophylactic anticoagulation after spine surgery, but none has investigated the risks of therapeutic doses of anticoagulation for treatment of postoperative thromboembolic events. METHODS: Patients were included if they sustained a postoperative thromboembolic event (deep venous thrombosis, pulmonary embolism, or myocardial infarction). Patients were excluded if anticoagulation was subtherapeutic. Of 1712 patients, 62 who received therapeutic anticoagulation and 174 propensity-matched control patients who did not receive therapeutic anticoagulation were included in the study. RESULTS: Initial anticoagulation was obtained by heparin infusion (51%), low molecular-weight heparin (LMWH, 46%), and warfarin (3%). Complications requiring unplanned reoperation occurred in 18% of anticoagulated patients and 10% of nonanticoagulated patients (P = 0.17). The reoperation rate after heparin infusion was 31% and after LMWH was 6.5% (P = 0.02). Epidural hematoma occurred in 3% and 1% of anticoagulated and nonanticoagulated patients, respectively. Multivariate logistic regression analysis of the two groups showed a trend toward increased risk of reoperation in the anticoagulation group. Analysis of the heparin infusion subgroup separate from the LMWH subgroup compared with the control group showed an increased risk of reoperation for any complication (odds ratio, 3.57; P = 0.01) and for bleeding complications (odds ratio, 43.1; P = 0.01). CONCLUSION: This is the first study to quantify complications secondary to postoperative therapeutic anticoagulation in spine patients. Postoperative spine trauma patients who underwent therapeutic anticoagulation experienced an unplanned reoperation rate of 18%, including a 3% incidence of spinal epidural hematoma. Therapeutic anticoagulation using heparin infusion seems to drive the overall rate of reoperation (31%) compared with LMWH. LEVEL OF EVIDENCE: 3. PMID- 29215499 TI - Postoperative Emergency Department Utilization and Hospital Readmission After Cervical Spine Arthrodesis: Rates, Trends, Causes, and Risk Factors. AB - STUDY DESIGN: Retrospective state database analysis. OBJECTIVE: To quantify the 30- and 90-day emergency department (ED) utilization and inpatient readmission rates after primary cervical arthrodesis, to stratify these findings by surgical approach, and to describe risk factors and conditions precipitating these events. SUMMARY OF BACKGROUND DATA: Limited data exist on ED utilization and hospital readmission rates after cervical spine arthrodesis. METHODS: The New York State all-payer health-care database was queried to identify all 87,045 patients who underwent primary subaxial cervical arthrodesis from 1997 through 2012. Demographic data and clinical information were extracted. Readmission data were available for the entire study period, whereas ED utilization data collection began later and was therefore analyzed starting in 2005. Incidences of these events within 30 and 90 days of discharge as well as trends over time were tabulated. The conditions prompting these encounters were also collected. Data were analyzed with respect to surgical approach. RESULTS: The hospital readmission rate was 4.2% at 30 days and 6.2% at 90 days postoperatively. Approximately 6.2% of patients were managed in the ED without inpatient admission within 30 days and 11.3% within 90 days of surgery. The most common conditions prompting such events were dysphagia or dysphonia, respiratory complications, and infection. ED utilization and readmission rates were lowest after anterior surgeries. A preoperative Charlson Comorbidity Index of 1 or greater and traumatic pathologies were associated with increased risk of subsequent ED utilization or hospital readmission. Thirty-day hospital readmission rates declined after 2010, whereas 30-day ED utilization continued to increase. CONCLUSION: Patient comorbidities, traumatic pathologies, and surgical approach are associated with increased postoperative complications. Anterior procedures carry the lowest risk, followed by posterior and then circumferential. Awareness of these findings should help to encourage development of strategies to minimize the rate of postoperative ED utilization and hospital readmission. LEVEL OF EVIDENCE: 3. PMID- 29215500 TI - Feasibility and Accuracy of Thoracolumbar Minimally Invasive Pedicle Screw Placement With Augmented Reality Navigation Technology. AB - STUDY DESIGN: Cadaveric laboratory study. OBJECTIVE: To assess the feasibility and accuracy of minimally invasive thoracolumbar pedicle screw placement using augmented reality (AR) surgical navigation. SUMMARY OF BACKGROUND DATA: Minimally invasive spine (MIS) surgery has increasingly become the method of choice for a wide variety of spine pathologies. Navigation technology based on AR has been shown to be feasible, accurate, and safe in open procedures. AR technology may also be used for MIS surgery. METHODS: The AR surgical navigation was installed in a hybrid operating room (OR). The hybrid OR includes a surgical table, a motorized flat detector C-arm with intraoperative 2D/3D imaging capabilities, integrated optical cameras for AR navigation, and patient motion tracking using optical markers on the skin. Navigation and screw placement was without any x-ray guidance. Two neurosurgeons placed 66 Jamshidi needles (two cadavers) and 18 cannulated pedicle screws (one cadaver) in the thoracolumbar spine. Technical accuracy was evaluated by measuring the distance between the tip of the actual needle position and the corresponding planned path as well as the angles between the needle and the desired path. Time needed for navigation along the virtual planned path was measured. An independent reviewer assessed the postoperative scans for the pedicle screws' clinical accuracy. RESULTS: Navigation time per insertion was 90 +/- 53 seconds with an accuracy of 2.2 +/- 1.3 mm. Accuracy was not dependent on operator. There was no correlation between navigation time and accuracy. The mean error angle between the Jamshidi needles and planned paths was 0.9 degrees +/- 0.8 degrees . No screw was misplaced outside the pedicle. Two screws breached 2 to 4 mm yielding an overall accuracy of 89% (16/18). CONCLUSION: MIS screw placement directed by AR with intraoperative 3D imaging in a hybrid OR is accurate and efficient, without any fluoroscopy or x-ray imaging during the procedure. LEVEL OF EVIDENCE: N/A. PMID- 29215501 TI - Predictive Modeling for Blood Transfusion After Adult Spinal Deformity Surgery: A Tree-Based Machine Learning Approach. AB - STUDY DESIGN: Retrospective cohort study. OBJECTIVE: Blood transfusion is frequently necessary after adult spinal deformity (ASD) surgery. We sought to develop predictive models for blood transfusion after ASD surgery, utilizing both classification tree and random forest machine-learning approaches. SUMMARY OF BACKGROUND DATA: Past models for transfusion risk among spine surgery patients are disadvantaged through use of single-institutional data, potentially limiting generalizability. METHODS: This investigation was conducted utilizing the American College of Surgeons National Surgical Quality Improvement Program dataset years 2012 to 2015. Patients undergoing surgery for ASD were identified using primary-listed current procedural terminology codes. In total, 1029 patients were analyzed. The primary outcome measure was intra-/postoperative blood transfusion. Patients were divided into training (n = 824) and validation (n = 205) datasets. Single classification tree and random forest models were developed. Both models were tested on the validation dataset using area under the receiver operating characteristic curve (AUC), which was compared between models. RESULTS: Overall, 46.5% (n = 479) of patients received a transfusion intraoperatively or within 72 hours postoperatively. The final classification tree model used operative duration, hematocrit, and weight, exhibiting AUC = 0.79 (95% confidence interval 0.73-0.85) on the validation set. The most influential variables in the random forest model were operative duration, surgical invasiveness, hematocrit, weight, and age. The random forest model exhibited AUC = 0.85 (95% confidence interval 0.80-0.90). The difference between the classification tree and random forest AUCs was nonsignificant at the validation cohort size of 205 patients (P = 0.1551). CONCLUSION: This investigation produced tree-based machine-learning models of blood transfusion risk after ASD surgery. The random forest model offered very good predictive capability as measured by AUC. Our single classification tree model offered superior ease of implementation, but a lower AUC as compared to the random forest approach, although this difference was not statistically significant at the size of our validation cohort. Clinicians may choose to implement either of these models to predict blood transfusion among their patients. Furthermore, policy makers may use these models on a population-based level to assess predicted transfusion rates after ASD surgery. LEVEL OF EVIDENCE: 3. PMID- 29215502 TI - Functional Limitations Due to Stiffness After Long-Level Spinal Instrumented Fusion Surgery to Correct Lumbar Degenerative Flat Back. AB - STUDY DESIGN: A retrospective analysis of functional limitations due to stiffness after long-level spinal instrumented fusion surgery to correct lumbar degenerative flat back was performed. OBJECTIVE: To analysis the functional limitations in patients treated surgically for adult lumbar degenerative flat back (ALDFB) with long-level instrumented fusion to the sacrum or pelvis. SUMMARY OF BACKGROUND DATA: Long-level instrumented fusion for ALDFB decreases back pain and spinal deformity. On the contrary, this surgery considerably eliminates spinal range of motion. This may have the potential to impair function and ability to perform activities of daily living (ADLs). METHODS: Consecutive 44 patients who underwent long-level instrumented fusion to the sacrum or pelvis for ALDFB were retrospectively included in this study. All patients were followed up for a minimum of 13 months. The Lumbar Stiffness Disability Index for Korean Lifestyle and Oswestry Disability Index were administered and analyzed to assess the impact of spinal stiffness on daily living. Cohorts were defined based on the upper instrumented vertebrae (above T10 [group 1] or below L1 [group 2]) and lower instrumented vertebrae (S1 pedicle screw [group S] or iliac bolt screw [group I]). RESULTS: All patients showed deteriorated postoperative ADLs compared to preoperative values. Group 1 showed deterioration postoperatively compared to group 2. Group 1 showed deteriorated postoperative ADLs compared to preoperative values. In group 2, question 5 and 7 showed deterioration postoperatively compared to preoperative values, and question 2 and 10 showed improvement postoperatively compared to preoperative values. Group I showed deterioration postoperatively compared to group S. CONCLUSION: This study will hopefully allow surgeons to provide patients with ALDFB with a more informed explanation of expected surgery effects on specific ADLs. LEVEL OF EVIDENCE: 3. PMID- 29215503 TI - Minimum Detectable Measurement Difference for Health-Related Quality of Life Measures Varies With Age and Disability in Adult Spinal Deformity: Implications for Calculating Minimal Clinically Important Difference. AB - STUDY DESIGN: Retrospective cohort. OBJECTIVE: To investigate the minimum detectable measurement difference (MDMD) in the Scoliosis Research Society-22r (SRS-22r) outcomes instrument in adult spinal deformity (ASD) and to evaluate the effect of baseline data on measurable difference. SUMMARY OF BACKGROUND DATA: The minimum clinically important difference (MCID) is the smallest, clinically relevant change observed and has been proposed for the SRS-22r instrument in ASD as 0.4. The MCID must be greater than the MDMD to be useful. The MDMD for the SRS 22r has not been calculated, nor have the effect of patient baseline values on MDMD. METHODS: A prospective observation cohort was queried for patients treated both operatively and nonoperatively for ASD. Patients with baseline and 1-year, 2 year follow-up SRS-22r data were included in the analysis. The MDMD was calculated using classical test theory and item-response theory methods. Effect size and standardized response means were calculated. The effect of baseline data values was evaluated for MDMD. RESULTS: A total 839 Patients were eligible for cohort inclusion with 428 (51%) eligible for analysis with complete data. MDMD for Pain (0.6) and Self-Image (0.5) were greater than 0.4. MDMD varied with age (highest for the youngest patients) and with disability (highest for SF-36 Physical Component Summary <28.6). MDMD was less than 0.4 for Activity (0.3), Mental Health (0.3), and Total Score (0.2). Gender and mental health did not affect MDMD for the SRS-22r instrument. CONCLUSION: An MCID of 0.4 for the SRS 22r total score and domain scores may not be an appropriate value as the calculated MDMD is greater than 0.4 for both the Pain and Self-Image subscores. The MDMD for the SRS-22r instrument varied with age and baseline disability, making the assessment of clinically significant change more difficult using this tool. The MCID must be considered in the setting of the MDMD for instruments used to assess outcomes in ASD. LEVEL OF EVIDENCE: 3. PMID- 29215504 TI - Is Health-related Quality of Life Decreased in Adolescents With Back Pain? AB - STUDY DESIGN: Cross-sectional study. OBJECTIVE: To evaluate the association between back pain and health-related quality of life (HRQoL) among adolescents. SUMMARY OF BACKGROUND DATA: The prevalence of back pain has been increasing not only in the adult population but also among children and adolescents. The better knowledge about the association between back pain and health-related quality of life could facilitate the implementation of new intervention strategies on prevention and treatment of back pain. METHODS: A sample of 350 students from the fifth to ninth grades of one public school in Niteroi, Rio de Janeiro, Brazil. Anthropometric measures and information regarding sociodemographic, lifestyle, frequency and intensity of neck (NP), thoracic (TP), and low back pain in the previous month were collected using a personal digital assistant. HRQoL was assessed by KIDSCREEN-27. Multiple linear regression analyses were performed to investigate the association between back pain and HRQoL by sex. RESULTS: The mean age of participants was 12.7 (+/-1.6) years. Frequency of NP, TP, and low back pain was 34.3, 27.1, and 13.1%, respectively. The mean intensity of pain was 2.3 (+/-0.2) for neck, 2.0 (+/-0.2) for thoracic, and 1.3 (+/-0.1) for low back pain. The presence of two/three painful sites was reported by 21.7% of the adolescents. The frequency and severity of neck pain were inversely associated with global HRQoL in both the sexes. There is a strong inverse association between the number of painful sites and global HRQoL and domains. CONCLUSION: The presence and intensity of cervical pain and the number of painful regions were associated with lower HRQoL in adolescents, which is worrying due to the important relationship between back pain in the adolescence and in the adulthood. LEVEL OF EVIDENCE: 3. PMID- 29215505 TI - Dynamic Fluctuation of Truncal Shift Parameters During Quiet Standing in Healthy Young Individuals. AB - STUDY DESIGN: Retrospective analysis. OBJECTIVE: To describe the dynamic fluctuation of truncal shift parameters during quiet standing in healthy young individuals using biomechanical analyses. SUMMARY OF BACKGROUND DATA: Coronal decompensation (CD) and sagittal vertical axis (SVA) are the key radiographic parameters to assess static truncal stability, with the known cut-off value of 4 cm for SVA in determining severity of spinal deformity. These values are obtained at a specific moment during quiet standing, when the posture innately changes. Thus, unassessed truncal sway could potentially compromise the reliability of these measurements. METHODS: Previously obtained biomechanical data with 11 male, healthy participants aged 16 to 29 were used to quantify the dynamic sway of standing posture. The participants were instructed to quietly stand with surface reflective markers for 130 seconds. The midpoint of bilateral acromia was used as a surrogate for C7 vertebral body. The time series of coronal and sagittal shifts of C7 to sacrum were measured as quasi-coronal decompensation (CD) and quasi sagittal vertical axis (SVA) to simulate CD and SVA on radiographs. A force platform was also used to measure the center of pressure (COP) displacement. RESULTS: The group averages of the dynamic sway range were 20.2 +/- 4.1 mm (range: 15.1-28.6) in the sagittal plane (quasi-SVA) and 9.8 +/- 3.2 mm (range: 5.5-15.2) in the coronal plane (quasi-CD). There were significant correlations between quasi-CD sway and medial-lateral COP velocity (Pearson r = 0.65, P = 0.03), as well as between quasi-SVA sway and COP sway area (r = 0.65, P = 0.03). CONCLUSION: Given the considerable fluctuation of quasi-SVA and quasi-CD during quiet standing, the reliability of radiographic measurement using CD and SVA at a specific moment can be substantially compromised. The assessment based on the currently proposed cut-off values should be interpreted with caution, and repeat examinations are warranted. LEVEL OF EVIDENCE: 4. PMID- 29215506 TI - Can Early Patient-reported Outcomes Be Used to Identify Patients at Risk for Poor 1-Year Health Outcomes After Lumbar Laminectomy With Arthrodesis? AB - STUDY DESIGN: Prospective cohort. OBJECTIVE: Determine A) between-patient variability in patient-reported outcomes (PROs) at four postoperative time points; B) within-patient correlation of 1-year PROs with PROs at three earlier time points; and C) ability of early PROs to predict 1-year PROs after lumbar laminectomy with arthrodesis. SUMMARY OF BACKGROUND DATA: It is unclear whether early PROs can help identify patients at risk for poor health outcomes. METHODS: Between 2015 and 2016, we assessed pre- and postoperative back pain, leg pain, disability, physical health, and mental health in 146 patients. We examined PRO variability between patients and correlations within patients during the first postoperative year. For early (<=3-mo) and 1-year PROs, we examined concordance between experiencing a minimal important difference (MID) early and at 1 year and odds of experiencing a 1-year MID given early absence of a MID. RESULTS: Postoperatively, we found increasing between-patient variability of PROs. For individual patients, we found moderate to strong between-assessment correlations (intraclass correlations) between repeated PROs (back pain, 0.47; leg pain, 0.51; disability, 0.47; physical health, 0.63; mental health, 0.53). Early MIDs were experienced for back pain (57%), leg pain (52%), physical health (38%), disability (34%), and mental health (16%). Concordance was moderate for leg pain (0.48), mental health (0.46), disability (0.38), back pain (0.36), and physical health (0.25). In patients without an early MID, odds of experiencing a MID at 1 year were low for physical health (odds ratio [OR] = 0.33), back pain (OR = 0.30), leg pain (OR = 0.14), and disability (OR = 0.11) but not mental health (OR = 0.50). CONCLUSION: Although postoperative recovery is variable, early PROs can identify patients at risk for poor 1-year outcomes and may help tailor care during the first year after lumbar laminectomy with arthrodesis. LEVEL OF EVIDENCE: 2. PMID- 29215508 TI - Opioid Knowledge and Prescribing Practices Among Obstetrician-Gynecologists. AB - OBJECTIVE: To describe obstetrician-gynecologists' (ob-gyns) knowledge and prescribing practices regarding opioid analgesics. METHODS: We conducted a cross sectional survey of a national sample of American College of Obstetricians and Gynecologists Fellows and Junior Fellows who are part of the Collaborative Ambulatory Research Network. We used a sequential mixed-method approach. We collected data on opioid knowledge and typical prescribing practices, including number, type, and indication for prescriptions. We determined adherence to four recommended practices: 1) screening for dependence, 2) prescribing the smallest amount required, 3) tailoring prescriptions, and 4) counseling on proper disposal. We also explored variables associated with prescribing practices. RESULTS: Sixty percent (179/300) of sampled members responded. Respondents reported prescribing a median of 26 (5-80) pills per patient across all indications combined. Ninety-eight percent prescribed opioids after surgery and a smaller proportion for nonsurgical indications: vaginal birth (22%), ovarian cysts (30%), endometriosis (24%), and chronic pelvic pain of unknown cause (18%). The number prescribed varied only by indication for the prescription. Nineteen percent reported adherence to three or more (of four) recommended practices. There was no significant difference in the median number of pills prescribed between those who reported adherence to at least one compared with those who did not adhere to any recommended practices (25 [interquartile range 25-30] vs 28 [interquartile range 20-30], P=.58). Regarding knowledge, 81% incorrectly identified the main source of misused opioids, which is through diversion from a friend or family member, and 44% did not know how to properly dispose of unused prescription opioids. CONCLUSION: Obstetrician-gynecologists reported prescribing a median of 26 opioid pills across all indications combined. Amount prescribed varied widely by indication but not by reported adherence to recommended prescribing practices. This study highlights an urgent need for increased efforts to improve ob-gyns' knowledge of opioid use, misuse, disposal, and best prescribing practices. PMID- 29215507 TI - Robotic Gastrotomy With Intracorporeal Suture for Patients With Gastric Gastrointestinal Stromal Tumors Located at Cardia and Subcardiac Region. AB - PURPOSE: Few studies of robotic gastric gastrointestinal stromal tumors (GISTs) resection have been conducted. This study was aimed to evaluate the robotic gastrotomy with intracorporeal suture for patients with GISTs located at cardia and subcardiac region. MATERIALS AND METHODS: From January 2014 to August 2016, 11 patients with GISTs located at cardia and subcardiac region underwent robotic gastrotomy with intracorporeal suture. Data of these patients were collected. RESULTS: The mean operative time was 82.7 minutes and the mean blood loss was 30.0 mL. No complication was reported. The postoperative length of stay was 3.3 days. On postoperative day 14, inflammation recovered to preoperative level. On postoperative month 6, the nutritional status was similar to that before the surgery. After 25.5 months follow-up, all patients survived with no recurrence or metastasis. CONCLUSIONS: Robotic gastrotomy with intracorporeal suture for patients with GISTs located at cardia and subcardiac region is safe and feasible. PMID- 29215509 TI - Interval Female Sterilization. AB - Female sterilization is relied on by nearly one in three women aged 35-44 years in the United States. Sterilization procedures are among the most common procedures that obstetrician-gynecologists perform. The most frequent sterilization procedures include postpartum tubal ligation, laparoscopic tubal disruption or salpingectomy, and hysteroscopic tubal occlusion. The informed consent process for sterilization is crucial and requires shared decision-making between the patient and the health care provider. Counseling should include the specific risks and benefits of the specific surgical approaches. Additionally, women should be counseled on the alternatives to sterilization, including intrauterine contraceptives and subdermal contraceptive implants. Complications, including unplanned pregnancy after successful female sterilization, are rare. The objectives of this Clinical Expert Series are to describe the epidemiology of female sterilization, access to postpartum sterilization, advances in interval sterilization techniques, and clinical considerations in caring for women requesting sterilization. PMID- 29215510 TI - Timing and Risk Factors of Postpartum Stroke. AB - OBJECTIVE: To characterize risk and timing of postpartum stroke readmission after delivery hospitalization discharge. METHODS: The Healthcare Cost and Utilization Project's Nationwide Readmissions Database for calendar years 2013 and 2014 was used to perform a retrospective cohort study evaluating risk of readmission for stroke within 60 days of discharge from a delivery hospitalization. Risk was characterized as odds ratios (ORs) with 95% CIs based on whether patients had hypertensive diseases of pregnancy (gestational hypertension or preeclampsia), or chronic hypertension, or neither disorder during the index hospitalization. Adjusted models for stroke readmission risk were created. RESULTS: From January 1, 2013, to October 31, 2013, and January 1, 2014, to October 31, 2014, 6,272,136 delivery hospitalizations were included in the analysis. One thousand five hundred five cases of readmission for postpartum stroke were identified. Two hundred fourteen (14.2%) cases of stroke occurred among patients with hypertensive diseases of pregnancy, 66 (4.4%) with chronic hypertension, and 1,225 (81.4%) without hypertension. The majority of stroke readmissions occurred within 10 days of hospital discharge (58.4%), including 53.2% of patients with hypertensive diseases of pregnancy during the index hospitalization, 66.7% with chronic hypertension, and 58.9% with no hypertension. Hypertensive diseases of pregnancy and chronic hypertension were associated with increased risk of stroke readmission compared with no hypertension (OR 1.74, 95% CI 1.33-2.27 and OR 1.88, 95% CI 1.19-2.96, respectively). Median times to readmission were 8.9 days for hypertensive diseases of pregnancy, 7.8 days for chronic hypertension, and 8.3 days without either condition. CONCLUSION: Although patients with chronic hypertension and hypertensive diseases of pregnancy are at higher risk of postpartum stroke, they account for a minority of such strokes. The majority of readmissions for postpartum stroke occur within 10 days of discharge; optimal blood pressure management may be particularly important during this period. PMID- 29215511 TI - Liposomal Bupivacaine During Robotic Colpopexy and Posterior Repair: A Randomized Controlled Trial. AB - OBJECTIVE: To evaluate the effect of liposomal bupivacaine on postoperative pain among patients undergoing robotic sacrocolpopexy with posterior repair. METHODS: This was a randomized, patient-blinded, placebo-controlled trial of women undergoing robotic sacrocolpopexy with posterior repair. Liposomal bupivacaine or normal saline placebo was injected into laparoscopic and vaginal incisions at completion of surgery. Perioperative care was standardized. Visual analog scales were collected at 4, 18, and 24 hours postoperatively in hospital. Starting on postoperative day 1, participants completed twice-daily pain scales and a pain medication diary up until the evening of postoperative day 3. The primary outcome was a 20-mm change in the visual analog scale 18 hours postoperatively. Secondary measures included additional pain scores, satisfaction, and narcotic use. Sample size calculation revealed that 32 patients per arm were required to detect the 20 mm difference with 90% power and an alpha of 0.05. To allocate for dropout, a goal of 70 was set. RESULTS: Between March 2015 and April 2016, 100 women were screened and 70 women were enrolled: 35 women were randomized to liposomal bupivacaine and 35 to placebo, of whom 64 (91%) were included in the final analysis: 33 liposomal bupivacaine and 31 placebo. No difference in demographics, surgical data, or satisfaction between groups was noted. Median VAS at 18 hours after surgery was not statistically different in those who received liposomal bupivacaine compared with normal saline (15 mm compared with 20 mm; P=.52). Other pain scales and total morphine equivalents were also similar (P=.90). CONCLUSION: In this study of robotic sacrocolpopexy with posterior repair, there were no differences in pain scores or narcotic use between liposomal bupivacaine and placebo injected into laparoscopic and vaginal incisions. Given its lack of clinical benefit, routine use of liposomal bupivacaine is not supported for this surgical intervention. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, NCT02449915. PMID- 29215512 TI - Term Elective Induction of Labor and Pregnancy Outcomes Among Obese Women and Their Offspring. AB - OBJECTIVE: To evaluate whether elective induction of labor between 39 through 41 weeks of gestation, as compared with expectant management, is associated with reduced cesarean delivery and other adverse outcomes among obese women and their offspring. METHODS: We conducted a retrospective cohort study using the 2007-2011 California Linked Patient Discharge Data-Birth Cohort File of 165,975 singleton, cephalic, nonanomalous deliveries to obese women. For each gestational week (39 41), we used multivariable logistic regression models, stratified by parity, to assess whether elective induction of labor or expectant management was associated with lower odds of cesarean delivery and other adverse outcomes. RESULTS: At 39 and 40 weeks of gestation, cesarean delivery was less common in obese nulliparous women who were electively induced compared with those who were expectantly managed (at 39 weeks of gestation, frequencies were 35.9% vs 41.0%, respectively [P<.05]; adjusted odds ratio [OR] 0.82, 95% CI 0.77-0.88). Severe maternal morbidity was less frequent among electively induced obese nulliparous patients (at 39 weeks of gestation, 5.6% vs 7.6% [P<.05]; adjusted OR 0.75, 95% CI 0.65 0.87). Neonatal intensive care unit admission was less common among electively induced obese nulliparous women (at 39 weeks of gestation, 7.9% vs 10.1% [P<.05]; adjusted OR 0.79, 95% CI 0.70-0.89). Patterns were similar among obese parous women at 39 weeks of gestation (crude frequencies and adjusted ORs [95% CIs] were as follows: for cesarean delivery, 7.0% vs 8.7% [P<.05] and 0.79 [0.73-0.86]; for severe maternal morbidity, 3.3% vs 4.0% [P<.05] and 0.83 [0.74-0.94]; for neonatal intensive care unit admission: 5.3% vs 7.4% [P<.05] and 0.75 [0.68 0.82]). Similarly, elective induction at 40 weeks of gestation was associated with reduced odds of cesarean delivery, maternal morbidity, and neonatal intensive care unit admission among both obese nulliparous and parous patients. CONCLUSION: Elective labor induction after 39 weeks of gestation was associated with reduced maternal and neonatal morbidity among obese women. Further prospective investigation is necessary. PMID- 29215513 TI - Treatment of Low-Risk Endometrial Cancer and Complex Atypical Hyperplasia With the Levonorgestrel-Releasing Intrauterine Device. AB - OBJECTIVE: To assess efficacy of the levonorgestrel-releasing intrauterine device (LNG-IUD) for treatment of complex atypical hyperplasia or low-grade endometrial cancer. METHODS: This retrospective case series included all patients treated with the LNG-IUD for complex atypical hyperplasia or early-grade endometrial cancer from January 2003 to June 2013. Response rates were calculated and the association of response with clinicopathologic factors, including age, body mass index, and uterine size, was determined. RESULTS: Forty-six patients diagnosed with complex atypical hyperplasia or early-grade endometrial cancer were treated with the LNG-IUD. Of 32 evaluable patients at the 6-month time point, 15 had complex atypical hyperplasia (47%), nine had G1 endometrial cancer (28%), and eight had grade 2 endometrial cancer (25%). Overall response rate was 75% (95% CI 57-89) at 6 months; 80% (95% CI 52-96) in complex atypical hyperplasia, 67% (95% CI 30-93) in grade 1 endometrial cancer, and 75% (CI 35-97) in grade 2 endometrial cancer. Of the clinicopathologic features evaluated, there was a trend toward the association of lack of exogenous progesterone effect in the pathology specimen with nonresponse to the IUD (P=.05). Median uterine diameter was 1.3 cm larger in women who did not respond to the IUD (P=.04). CONCLUSION: Levonorgestrel-releasing IUD therapy for the conservative treatment of complex atypical hyperplasia or early-grade endometrial cancer resulted in return to normal histology in a majority of patients. PMID- 29215514 TI - Misoprostol With Foley Bulb Compared With Misoprostol Alone for Cervical Ripening: A Randomized Controlled Trial. AB - OBJECTIVE: To test the hypothesis that cervical ripening using a combination of misoprostol and a transcervical Foley bulb leads to delivery within a shorter time compared with misoprostol alone. METHODS: This randomized controlled trial was offered to women admitted for cervical ripening. Inclusion criteria were gestational age 37 weeks or greater with intact membranes, singleton fetus, cephalic presentation, and Bishop score 6 or less. Exclusion criteria included, among others, prior uterine surgery, ruptured membranes, and any contraindication to vaginal delivery. Patients were randomized to cervical ripening using misoprostol and a transcervical Foley bulb simultaneously or misoprostol alone. Primary outcome was time from placement of the misoprostol to delivery. Secondary outcomes included time to active phase, time from active phase to delivery, cesarean delivery rate, uterine tachysystole, estimated blood loss, chorioamnionitis, cord pH, 5-minute Apgar score, and neonatal intensive care unit admission. Sample size calculation revealed that 94 participants were required in each group to detect a 3-hour difference with 80% power and alpha error of 0.05. Intention-to-treat analysis was performed. RESULTS: From September 2015 to July 2016, a total of 200 patients were randomized, 100 to each group. There were no differences between groups with respect to parity, body mass index, gestational age, Bishop score, birth weight, or indication for induction. Time to delivery was significantly shorter in the combined misoprostol-transcervical Foley group: 15.0 (11.0-21.8) hours (median [interquartile range]) vs 19.0 (14.0-27.3) hours in the misoprostol-only group (P=.001). This time difference remained significant after subanalysis by parity or after excluding cesarean deliveries. There was no difference between groups with respect to the rate or indication for cesarean delivery, estimated blood loss, rate of tachysystole, chorioamnionitis, or neonatal outcomes. CONCLUSION: Cervical ripening using misoprostol in combination with a transcervical Foley bulb is an effective method to shorten the course of labor compared with misoprostol alone. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, NCT02566005. PMID- 29215515 TI - Isolated Absent Thelarche in a Patient With Neurofibromatosis Type 1 and Acromegaly. AB - BACKGROUND: Isolated absent thelarche is a rare condition that is infrequently reviewed in the literature. CASE: A 28-year-old woman with neurofibromatosis type 1 and acromegaly presented with absent breast development despite hormone therapy. Examination noted a normally developed woman with acromegalic features and Tanner stage I breasts. Hormone studies and karyotype were normal. Magnetic resonance imaging of the patient's brain demonstrated a voluminous pituitary. Chromosome microarray analysis diagnosed the neurofibromatosis 1 microdeletion syndrome. Breast ultrasonography and surgical consultation were offered. CONCLUSIONS: Neither neurofibromatosis type 1, acromegaly, nor neurofibromatosis 1 microdeletion syndrome are linked to absent thelarche. After attempting hormone therapy, patients with absent thelarche should be evaluated for congenital breast anomalies, estrogen receptor abnormalities, or gene defects. Psychological and surgical consultation should also be offered. PMID- 29215516 TI - Clomiphene Stair-Step Protocol for Women With Polycystic Ovary Syndrome. AB - OBJECTIVE: To compare time to ovulation, ovulation rates, and side effect profile of traditional and the stair-step protocol for ovulation induction using clomiphene citrate in women with polycystic ovary syndrome (PCOS). METHODS: We performed a retrospective study of women seeking care for infertility with a diagnosis of PCOS at a university-based infertility clinic from July 2012 to July 2014. We included patients who were resistant to the initial starting dose of 50 mg clomiphene. The primary outcome was time to ovulation. Secondary outcomes included ovulation rates, clinical pregnancy rates, and mild and moderate-to severe side effects based on dose. For the traditional protocol, higher doses of clomiphene were used each subsequent month if no ovulation occurred. For the stair-step protocol, higher doses of clomiphene were given 7 days after the last dose if no dominant follicles were seen on ultrasonography. Our study had 80% power to detect a 20% difference in ovulation. RESULTS: One hundred nine patients were included in the analysis with 66 (60.6%) in the traditional and 43 (39.4%) in the stair-step protocol. Age and body mass index were similar between groups. The time to ovulation was decreased in the stair-step protocol group compared with the traditional protocol group (23.1+/-0.9 days vs 47.5+/-6.3 days). Ovulation rates were increased in the stair-step group compared with the traditional group at 150 mg (16 [37%] vs 8 [12%], P=.004) and at 200 mg (9 [21%] vs 3 [5%], P=.01). Pregnancy rates were similar between groups once ovulation was achieved (12 [18.1%] vs 7 [16.3%], P=.08). The stair-step protocol had an increased incidence of mild side effects (vasomotor flushes, headaches, gastrointestinal disturbance, mastalgia, changes in mood; 18 [41%] vs 8 [12%]), but there was no difference in the incidence of severe side effects (headaches, visual disturbances). CONCLUSION: For women with PCOS, the stair-step clomiphene protocol is associated with decreased time to ovulation and increased ovulation rates at higher doses when compared with the traditional protocol. PMID- 29215517 TI - Two-Year Results of Burch Compared With Midurethral Sling With Sacrocolpopexy: A Randomized Controlled Trial. AB - OBJECTIVE: To evaluate 1- and 2-year urinary continence rates after Burch retropubic urethropexy compared with a retropubic midurethral sling for women with urinary incontinence undergoing sacrocolpopexy. METHODS: We conducted a planned secondary analysis of a multicenter, randomized, single-blind trial comparing Burch with a sling that enrolled participants from June 2009 to August 2013. Objective outcome measures of continence were assessed at 1- and 2-year follow-up through office visits and validated questionnaires. Overall continence was defined as a negative stress test, no retreatment for stress incontinence, and no self-reported urinary incontinence (International Consultation on Incontinence Questionnaire, Short Form, score, 0). Stress-specific continence was defined as fulfillment of the first two criteria and no self-reported stress related incontinence. Primary outcomes were assessed with intention-to-treat and within-protocol analyses. Comparisons between groups were evaluated using chi or Fisher exact test. RESULTS: The two groups were similar in all measured baseline features. Outcome assessments at 2 years were available for 48 of 57 patients (84%) in the sling group and 45 of 56 patients (80%) in the Burch group. With intention-to-treat analysis, the sling group had significantly higher rates of overall continence than the Burch group (49% [28/57] vs 29% [16/56]; 95% CI for absolute risk difference 3.0-38.1; P=.03) at 1- but not 2-year follow-up (47% [27/57] vs 32% [18/56]; 95% CI for absolute risk difference -2.6 to 33.1; P=.10). The sling group had significantly higher rates of stress-specific continence than the Burch group at 1-year (70% [40/57] vs 46% [26/56]; 95% CI for absolute risk difference 6.1-41.4; P=.01) and 2-year (70% [40/57] vs 45% [25/56]; 95% CI for absolute risk difference 7.9-43.2; P=.006) follow-up. No difference was detected in prolapse recurrence, voiding dysfunction, antimuscarinic medication use, urgency incontinence, or patient satisfaction. CONCLUSION: Among women with baseline urinary incontinence undergoing sacrocolpopexy, the retropubic midurethral sling resulted in higher stress-specific continence rates than Burch retropubic urethropexy at 1- and 2-year follow-up. PMID- 29215518 TI - Angiogenic Factor Profiles in Pregnant Women With a History of Early-Onset Severe Preeclampsia Receiving Low-Molecular-Weight Heparin Prophylaxis. AB - OBJECTIVE: To evaluate whether daily low-molecular-weight (LMW) heparin prophylaxis during pregnancy alters profile of circulating angiogenic factors that have been linked with the pathogenesis of preeclampsia and fetal growth restriction. METHODS: This is a planned ancillary study of the Heparin Preeclampsia trial, a randomized trial in pregnant women with a history of severe early-onset preeclampsia (less than 34 weeks of gestation). In the parent study, all women were treated with aspirin and then randomized to receive LMW heparin or aspirin alone. In this study, we measured serum levels of circulating angiogenic factors (soluble fms-like tyrosine kinase-1, placental growth factor, and soluble endoglin by immunoassay) at the following gestational windows: 10-13 6/7 weeks, 14-17 6/7 weeks, 18-21 6/7 weeks, 22-25 6/7 weeks, 26-29 6/7 weeks, 30-33 6/7 weeks, and 34-37 6/7 weeks. RESULTS: Samples were available from 185 patients: LMW heparin+aspirin (n=92) and aspirin alone (n=93). The two groups had comparable baseline characteristics and had similar adverse composite outcomes (35/92 [38.0%] compared with 36/93 [38.7%]; P=.92). There were no significant differences in serum levels of soluble fms-like tyrosine kinase-1, placental growth factor, and soluble endoglin in the participants who received LMW heparin and aspirin compared with those who received aspirin alone regardless of gestational age period. Finally, women who developed an adverse composite outcome at less than 34 weeks of gestation demonstrated significant alterations in serum angiogenic profile as early as 10-13 6/7 weeks that was most dramatic 6-8 weeks preceding delivery. CONCLUSION: Prophylactic LMW heparin therapy when beginning from before 14 weeks of gestation with aspirin during pregnancy is not associated with an improved angiogenic profile. This may provide a molecular explanation for the lack of clinical benefit noted in recent trials. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, NCT00986765. PMID- 29215519 TI - Foley Plus Oxytocin Compared With Oxytocin for Induction After Membrane Rupture: A Randomized Controlled Trial. AB - OBJECTIVE: To evaluate the use of a transcervical Foley catheter plus oxytocin infusion compared with oxytocin infusion alone for labor induction and cervical ripening in women 34 weeks of gestation or greater with prelabor rupture of membranes. METHODS: This is a randomized, multicenter trial of women with a live, singleton gestation at 34 weeks of gestation or greater with prelabor rupture of membranes, an unfavorable cervical examination (less than 2 cm or 80% effaced), and no contraindication to labor. Participants were randomly allocated to a transcervical Foley catheter inflated to 30 cc with concurrent oxytocin infusion or oxytocin infusion alone. Oxytocin administration was standardized across sites. The primary study outcome was interval from induction to delivery. To detect a 2.5-hour difference in the interval from induction to delivery, we required outcome data on 194 women, assuming 80% power and a two-tailed alpha of 5%. Analysis was by intent to treat. RESULTS: We enrolled 201 women: 93 were allocated to Foley and 108 to oxytocin. Demographics were similar between the groups. Time to delivery was not significantly different between groups: in the Foley group, it was 13.9 hours (+/-6.9 SD) compared with 14.4 hours (+/-7.9 SD) in the oxytocin group (P=.69). There were more cases of clinical chorioamnionitis (8% compared with 0%, P<.01) in the Foley group compared with the oxytocin group. There were no differences for other infectious morbidities or any other variable studied. CONCLUSION: In patients with prelabor rupture of membranes, the use of a transcervical Foley catheter in addition to oxytocin does not shorten the time to delivery compared with oxytocin alone, but may increase the incidence of intraamniotic infection. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, NCT01973036. PMID- 29215520 TI - Preeclampsia and Long-term Renal Function in Women Who Underwent Kidney Transplantation. AB - OBJECTIVE: Preeclampsia often complicates pregnancies after maternal kidney transplantation. We aimed to assess whether preeclampsia is associated with kidney function decline either during the pregnancy or in the long term. METHODS: We performed an international multicenter retrospective cohort study. Renal function at conception, pregnancy outcomes, and short- and long-term graft outcomes were collected for women who were pregnant after renal transplantation and had transplant and obstetric care at the participating centers. In women who had multiple pregnancies during the study period, only the last pregnancy was included. Univariate and multivariable analyses were performed. RESULTS: We retrieved pregnancy outcomes and long-term renal outcomes for 52 women. Chronic hypertension was present at baseline in 27%. Mean estimated glomerular filtration rate (GFR) at start of pregnancy was 52.4+/-17.5 mL/min/1.73 m. Mean estimated GFR at delivery was 47.6+/-21.6 mL/min/1.73 m, which was significantly lower than at conception (P=.03). Twenty women (38%) developed preeclampsia. In multivariable analysis, women who developed preeclampsia had a 10.7-mL/min/1.73 m higher drop in estimated GFR between conception and delivery than women who did not develop preeclampsia (P=.02). Long-term estimated GFR follow-up was obtained at a median of 5.8 years (range 1.3-27.5 years). Mean estimated GFR at last follow-up was 38+/-23 mL/kg/1.73 m. Seventeen women (33%) experienced graft loss over the follow-up period. Incidence of graft loss was similar in women with and without preeclampsia in their last pregnancy (30% and 34%, respectively; P=.99). In multivariable analysis, the decrease in estimated GFR between conception and last follow-up was similar in women who experienced preeclampsia during pregnancy and those who did not (difference -2.69 mL/min/1.73 m, P=.65). CONCLUSION: Preeclampsia commonly complicates pregnancies after renal transplantation but is not associated with long-term renal dysfunction or graft loss. PMID- 29215521 TI - Pregnancy After Uterine Rupture. AB - A 28-year-old woman, gravida 3 para 2, with two previous cesarean deliveries presents for prenatal care. Her second pregnancy was complicated by a uterine rupture at 36 weeks of gestation. She asks, "When should I be delivered during the current pregnancy?" PMID- 29215522 TI - Intrauterine Balloon Tamponade for Severe Postpartum Hemorrhage. AB - OBJECTIVE: To compare the rates of invasive procedures (surgical or vascular) for hemorrhage control between a perinatal network that routinely used intrauterine balloon tamponade and another perinatal network that did not in postpartum hemorrhage management. METHODS: This population-based retrospective cohort study included all women (72,529) delivering between 2011 and 2012 in the 19 maternity units in two French perinatal networks: a pilot (in which balloon tamponade was used) and a control network. Outcomes were assessed based on discharge abstract data from the national French medical information system. General and obstetric characteristics were included in two separate multivariate logistic models according to the mode of delivery (vaginal and cesarean) to estimate the independent association of the network with invasive procedures. RESULTS: Invasive procedures (pelvic vessel ligation, arterial embolization, hysterectomy) were used in 298 women and in 4.1 per 1,000 deliveries (95% CI 3.7-4.6). The proportion of women with at least one invasive procedure was significantly lower in the pilot network (3.0/1,000 vs 5.1/1,000, P<.01). Among women who delivered vaginally, the use of arterial embolization was also significantly lower in the pilot than the control network (0.2/1,000 vs 3.7/1,000, P<.01) as it was for those who delivered by cesarean (1.3/1,000 vs 5.7/1,000, P<.01). After controlling for potential confounding factors, the risk of an invasive procedure among women who delivered vaginally remained significantly lower in the pilot network (adjusted odds ratio [OR] 0.14, 95% CI 0.08-0.27), but not for women who delivered by cesarean (adjusted OR 1.19, 95% CI 0.87-1.61). CONCLUSION: The use of intrauterine balloon tamponade in routine clinical practice was associated with a significantly lower use of invasive procedures for hemorrhage control among women undergoing vaginal delivery. PMID- 29215523 TI - Ethical Considerations Concerning Amnioinfusions for Treating Fetal Bilateral Renal Agenesis. AB - Congenital bilateral renal agenesis has been considered a uniformly fatal condition. However, the report of using serial amnioinfusions followed by the live birth in 2012 and ongoing survival of a child with bilateral renal agenesis has generated hope, but also considerable controversy over an array of complex clinical and ethical concerns. To assess the ethical concerns associated with using serial amnioinfusions for bilateral renal agenesis, we assembled a multidisciplinary group to map the ethical issues relevant to this novel intervention. The key ethical issues identified were related to 1) potential risks and benefits, 2) clinical care compared with innovation compared with research, 3) counseling of expectant parents, 4) consent, 5) outcome measures, 6) access and justice, 7) conflicts of interest, 8) effects on clinicians, 9) effects on institutions, and 10) long-term societal implications. These ethical issues should be addressed in conjunction with systematic efforts to examine whether this intervention is safe and effective. Future work should capture the experiences of expectant parents, women who undergo serial amnioinfusions, those born with bilateral renal agenesis and their families as well as clinicians confronted with making difficult choices related to it. PMID- 29215524 TI - Urinary Tract Injury in Gynecologic Laparoscopy for Benign Indication: A Systematic Review. AB - OBJECTIVE: To perform a comprehensive literature review of the incidence, location, etiology, timing, management, and long-term sequelae of urinary tract injury in gynecologic laparoscopy for benign indication. DATA SOURCES: A systematic review of PubMed, EMBASE, Cochrane Library, and ClinicalTrials.gov was conducted. METHODS OF STUDY SELECTION: Four hundred thirty-three studies were screened for inclusion with 136 full-text articles reviewed. Ninety studies published between 1975 and 2015 met inclusion criteria, representing 140,444 surgeries. Articles reporting the incidence of urinary tract injury in gynecologic laparoscopy for benign indication were included. Exclusion criteria comprised malignancy, surgery by urogynecologists, research not in English, and insufficient data. TABULATION, INTEGRATION, AND RESULTS: A total of 458 lower urinary tract injuries were reported with an incidence of 0.33% (95% CI 0.30 0.36). Bladder injury (0.24%, 95% CI 0.22-0.27) was overall three times more frequent than ureteral injury (0.08%, 95% CI 0.07-0.10). Laparoscopic hysterectomy not otherwise specified (1.8%, 95% CI 1.2-2.6) and laparoscopically assisted vaginal hysterectomy (1.0%, 95% CI 0.9-1.2) had the highest rates of injury. Most ureteral injuries resulted from electrosurgery (33.3%, 95% CI 24.3 45.8), whereas most bladder injuries resulted from lysis of adhesions (23.3%, 95% CI 18.7-29.0). Ureteral injuries were most often recognized postoperatively (60%, 95% CI 47-76) and were repaired by open ureteral anastomosis (47.4%, 95% CI 36.3 61.9). In contrast, bladder injuries were most often recognized intraoperatively (85%, 95% CI 75-95) and were repaired by laparoscopic suturing (34.9%, 95% CI 29.2-41.7). CONCLUSION: The incidence of lower urinary tract injury in gynecologic laparoscopy for benign indication remains low at 0.33%. Bladder injury was three times more common than ureteral injury, although ureteral injuries were more often unrecognized intraoperatively and underwent open surgical repair. These risk estimates can assist gynecologic surgeons in effectively counseling their patients preoperatively concerning the risks of lower urinary tract injury. PMID- 29215525 TI - Low-Fidelity Simulator for the Standardized Training of Fetoscopic Meningomyelocele Repair. AB - BACKGROUND: Fetoscopic meningomyelocele repair in a gas-filled uterus is a new technique performed in very few centers. There are few opportunities as well as ethical prohibitions on the initial development and subsequent refinement of innovative fetal surgery techniques in humans, and using an animal model is both very expensive and logistically difficult. METHOD: We developed a low-fidelity endoscopic fetal surgery simulation using a plastic doll and pieces of chicken breast to simulate a fetal meningomyelocele, and a polyurethane ball to simulate a gas-filled uterus, along with a standard endoscopy system and instruments. EXPERIENCE: A unique two-port technique with significant differences from the standard laparoscopic surgery procedure was developed and refined through an iterative phase into a standardized methodology, and the simulator was then used to train three other teams to perform standardized fetoscopic meningomyelocele repair. CONCLUSION: A low-fidelity fetoscopic surgery simulator is a useful tool for developing new fetoscopic operations and for training multidisciplinary fetal surgery teams without the need for extensive use of an animal model. This simulator may be used to further explore the human uterus as a new surgical space for additional fetal surgeries. PMID- 29215526 TI - Challenges and Opportunities in Identifying, Reviewing, and Preventing Maternal Deaths. AB - Despite many efforts at the state, city, and national levels over the past 70 years, a nationwide consensus on how best to identify, review, and prevent maternal deaths remains challenging. We present a brief history of maternal death surveillance in the United States and compare the three systems of national surveillance that exist today: the National Vital Statistics System, the Pregnancy Mortality Surveillance System, and maternal mortality review committees. We discuss strategies to address the perennial challenges of shared terminology and accurate, comparable data among maternal mortality review committees. Finally, we propose that with the opportunity presented by a systematized shared data system that can accurately account for all maternal deaths, state and local-level maternal mortality review committees could become the gold standard for understanding the true burden of maternal mortality at the national level. PMID- 29215527 TI - Long-term Trends in Singleton Preterm Birth in South Australia From 1986 to 2014. AB - OBJECTIVE: To describe long-term trends in the prevalence of preterm birth and rates of preterm birth in singleton pregnancies complicated by hypertensive disorders of pregnancy, small for gestational age (SGA), and preterm prelabor rupture of membranes (PROM) in South Australia. METHODS: We conducted a retrospective population study including all singleton live births in the state of South Australia from 1986 to 2014. Long-term trends for preterm birth, hypertensive disorders of pregnancy, SGA, preterm PROM as well as stillbirth were assessed using joinpoint regression analyses. Trends in maternal age, body mass index (BMI), ethnic diversity, parity, and smoking over time were also assessed. RESULTS: From 1986 to 2014, with a total of 539,234 singleton births, the overall preterm birth rates increased from 5.1% to 7.1% (P<.001) and for iatrogenic preterm birth increased from 1.6% to 3.2% (P<.001). The incidence of hypertensive disorders of pregnancy decreased from 8.7% to 7.2%. Among pregnancies complicated by hypertensive disorders of pregnancy, the proportion of preterm birth increased (10.4-17.5%, P<.001). The incidence of SGA decreased from 11.1% to 8.0%. Among pregnancies complicated by SGA, the proportion of preterm birth increased (2.9 5.4%, P<.001). The incidence of preterm PROM increased from 1.4% to 2.2%. Among pregnancies complicated by preterm PROM, the proportion of preterm birth remained stable. Preterm stillbirth rates declined (4.23-2.32%, P<.001). Maternal age, BMI, and ethnic diversity have all increased since 1986, whereas maternal smoking has decreased. CONCLUSION: In South Australia, the preterm birth rate among singletons increased from 1986 to 2014 by 40%, with iatrogenic preterm birth being responsible for 80% of this increase. Incidence of hypertensive disorders of pregnancy and SGA declined. Among pregnancies complicated by hypertensive disorders of pregnancy and SGA, the proportions of preterm birth increased, indicating earlier interventions in these women. The diagnosis of preterm PROM increased from 1% to 2%, and greater than 80% of preterm PROM was associated with preterm birth after 1990. Increasing iatrogenic delivery may be attributable, in part, to changing maternal phenotype and to altered clinicians' behavior. However, improvements in fetal surveillance, particularly ultrasonography, and advanced neonatal care may underpin perinatal clinical decision-making and the likelihood of iatrogenic birth. PMID- 29215528 TI - What Is New in Global Women's Health? (Part 1): Best Articles From the Past Year. AB - This month we focus on current research in global women's health. Drs. Ramsey and Stuart discuss four recent publications, which are concluded with a "bottom line" that is a take-home message. A complete reference for each can be found in on this page along with direct links to abstracts. PMID- 29215529 TI - Connect the Dots-January 2018. PMID- 29215530 TI - Happy 65th Anniversary to Obstetrics & Gynecology. PMID- 29215532 TI - IMAGING OF VITELLIFORM MACULAR LESIONS USING POLARIZATION-SENSITIVE OPTICAL COHERENCE TOMOGRAPHY. AB - PURPOSE: To examine the involvement of the retinal pigment epithelium (RPE) in the presence of vitelliform macular lesions (VML) in Best vitelliform macular dystrophy (BVMD), autosomal recessive bestrophinopathy, and adult-onset vitelliform macular degeneration using polarization-sensitive optical coherence tomography (PS-OCT). METHODS: A total of 35 eyes of 18 patients were imaged using a PS-OCT system and blue light fundus autofluorescence imaging. Pathogenic mutations in the BEST1 gene, 3 of which were new, were detected in all patients with BVMD and autosomal recessive bestrophinopathy. RESULTS: Polarization sensitive optical coherence tomography showed a characteristic pattern in all three diseases with nondepolarizing material in the subretinal space consistent with the yellowish VML seen on funduscopy with a visible RPE line below it. A focal RPE thickening was seen in 26 eyes under or at the edge of the VML. Retinal pigment epithelium thickness outside the VML was normal or mildly thinned in patients with BVMD and adult-onset vitelliform macular degeneration but was diffusely thinned or atrophic in patients with autosomal recessive bestrophinopathy. Patients with autosomal recessive bestrophinopathy showed sub RPE fibrosis alongside the subretinal VML. Polarization-sensitive optical coherence tomography was more reliable in assessing the localization and the integrity of the RPE than spectral domain OCT alone. On spectral domain OCT, identification of the RPE was not possible in 19.4% of eyes. Polarization sensitive optical coherence tomography allowed for definite identification of the location of VML in respect to the RPE in all eyes, since it provides a tissue specific contrast. CONCLUSION: Polarization-sensitive optical coherence tomography confirms in vivo the subretinal location of VML and is useful in the assessment of RPE integrity. PMID- 29215531 TI - Human Immunodeficiency Virus (HIV)- and Non-HIV-Associated Immunosuppression and Risk of Cervical Neoplasia. AB - OBJECTIVE: To estimate the risk of cervical intraepithelial neoplasia grade 2, 2 3, 3, adenocarcinoma in situ, or cancer (CIN 2 or worse) among women with human immunodeficiency virus (HIV)- and non-HIV-associated immunosuppression. METHODS: We performed a case-control study of 20,146 women with incident CIN 2 or worse and 5:1 age-matched, incidence-density selected women in a control group (n=100,144) enrolled in an integrated health care system from 1996 to 2014. Adjusted rate ratios (RRs) from conditional logistic regression were obtained for HIV status (stratified by CD4 T-cells), solid organ transplant history, and immunosuppressive medication use. RESULTS: Risk of CIN 2 or worse was increased among women with HIV (n=36 women in the case group and 79 women in the control group; adjusted RR 2.0, 95% CI 1.3-3.0) compared with those without HIV and in solid organ transplant recipients (n=51 women in the case group and 68 women in the control group; RR 3.3, 95% CI 2.3-4.8) compared with women without a prior transplant. The highest risks were among women with HIV and less than 200 CD4 T cells/microliter (n=9 women in the case group and eight women in the control group; RR 5.6, 95% CI 2.1-14.7) compared with those without HIV and in solid organ transplant recipients prescribed three or greater immunosuppressive medication classes (n=32 women in the case group and 33 women in the control group; RR 4.1, 95% CI 2.5-6.8) compared with women without a prior transplant and zero medication classes. No increased risks were observed for women with HIV and 500 or greater CD4 T-cells/microliter (n=9 women in the case group and 43 women in the control group; RR 0.8, 95% CI 0.4-1.7) compared with those without HIV or women without prior solid organ transplantation prescribed two or fewer immunosuppressive medication classes (n=1,262 women in the case group and 6,100 women in the control group; RR 0.95, 95% CI 0.89-1.01) compared with women without and a prior transplant and zero medication classes. CONCLUSION: Risk of CIN 2 or worse is increased in women with a prior solid organ transplant or who have HIV and CD4 cells/microliter less than 500 but not in women with HIV and higher CD4 levels or in women without a prior solid organ transplant but who are prescribed only one or two immunosuppressive medication classes. PMID- 29215533 TI - SURGICAL REMOVAL OF EPIRETINAL MEMBRANE WITH AND WITHOUT REMOVAL OF INTERNAL LIMITING MEMBRANE: Comparative Study of Visual Acuity, Features of Optical Coherence Tomography, and Recurrence Rate. AB - PURPOSE: To study and compare visual acuity, foveal thickness, outer limiting layer, ellipsoid zone, and recurrence rate in patients undergoing removal of the epiretinal membrane with and without the removal of the internal limiting membrane (ILM). METHODS: Sixty-three patients who had the epiretinal membrane removed by a single surgeon were randomly assigned into 2 groups: Group 1 without additional removal of the ILM and Group 2 with removal of the ILM. Patients were followed up and evaluated at the first month, third month, and sixth month, postoperatively. RESULTS: Patients from both groups had a gradual improvement in their vision over time. There was no significant difference in the improvement in visual acuity between the two groups. About tomographic assessment of alterations, no significant differences were found between the groups; however, Group 1 had a higher relapse rate (17%) compared with Group 2 (3.6%) (P = 0.09). CONCLUSION: Epiretinal membrane removal with and without ILM peeling shows similar functional and anatomical improvements, but the group in which the ILM was not removed seemed to have a higher recurrence rate. PMID- 29215534 TI - Incidence and Predictors of Readmissions in Acute Pancreatitis: A Nationwide Analysis. AB - OBJECTIVES: Acute pancreatitis (AP) is a common cause for hospitalization, and readmission is common, with variable associated risk factors for readmission. Here, we assessed the incidence and risk factors for readmission in AP in a large national database. METHODS: We analyzed data from the National Readmission Database during the year 2013. Index admissions with a primary discharge diagnosis of AP using the International Classification of Diseases, Ninth Revision, Clinical Modification were identified from January to November to identify 30-day readmission rates. Demographic, hospital, and clinical diagnoses were included in multivariate regression analysis to identify readmission risk factors. RESULTS: We identified 243,816 index AP discharges with 39,623 (16.2%) readmitted within 30 days. The most common reason for readmission was recurrent AP (41.5%). Increased odds of all-cause readmission were associated with younger age, nonhome discharge, increasing Charlson Comorbidity Index, and increased length of stay. Cholecystectomy during index admission was associated with reduced all-cause and recurrent AP readmissions (odds ratios of 0.5, and 0.35, respectively). CONCLUSIONS: Readmission for AP is common, most often due to recurrent AP. Multiple factors, including cholecystectomy, during index admission, are associated with significantly reduced odds of all-cause and recurrent AP readmissions. PMID- 29215535 TI - The Clinicopathological Aspects of Primary Presacral Neuroendocrine Neoplasms: One Center Experience. AB - OBJECTIVES: Presacral neuroendocrine neoplasms (NENs) are rare entities that are found at the presacral space. We report our experience in the diagnosis, management, and outcomes of primary presacral NENs. METHODS: This was an institutional review board-approved retrospective review of medical records and surgical pathology specimens of patients with a diagnosis of NENs at Cedars-Sinai Medical Center between January 2000 and April 2016. RESULTS: Ten patients were identified. The median age at presentation was 38 years (range, 20-77 years), and 8 were women. One patient presented with carcinoid-like symptoms, 2 were diagnosed incidentally, and 7 presented with symptoms related to mass effect. The median size of the tumor was 7.0 cm (range, 3-12 cm). On pathologic review, 3 of 10 were low-grade and well-differentiated, 5 of 10 were intermediate-grade and well-differentiated, 2 of 10 were grade 3 and classified as high-grade and poorly differentiated neuroendocrine tumors. Seven cases were metastatic on presentation with lymph node, liver, lung, or skeletal metastasis. Seven of 8 cases were detectable using Octreoscan. Eight patients were treated with a somatostatin analog and 5 patients were treated surgically. CONCLUSIONS: Presacral NENs are clinically similar to gastroenteropancreatic tumors. Octreoscan imaging and somatostatin analog therapies were frequently applied. Further biologic characterization of this rare subtype is needed. PMID- 29215537 TI - Simultaneous Pancreas and Kidney Transplantation is Associated With Inferior Long Term Outcomes in African Americans. AB - OBJECTIVES: Simultaneous pancreas and kidney transplant (SPK) is the most effective treatment for patients with type 1 diabetes mellitus and renal failure. However, the effect of ethnicity on SPK outcomes is not well understood. METHODS: We studied the influence of recipient ethnicity on SPK using the United Network for Organ Sharing database. A retrospective review of 20,196 SPK patients from 1989 to 2014 was performed. The recipients were divided into 4 groups: 15,833 whites (78.40%), 2708 African Americans (AA) (14.39%), 1456 Hispanics (7.21%), and 199 Asians (0.99%). RESULTS: Hispanics and Asians experienced the best overall graft and patient outcomes. Both groups demonstrated significantly superior graft and patient survival rates compared with whites at 1, 3, 5, 10, and 15 years (all P < 0.0001). African Americans experienced significantly superior 1- and 3-year patient survival compared with whites (both P < 0.0001). African Americans also experienced significantly superior 1-year kidney and pancreas graft survival compared with whites (P < 0.0001). However, AA experienced significantly inferior patient and allograft outcomes for all other time points compared with whites. CONCLUSIONS: Based on United Network for Organ Sharing data from 1989 to 2014, AA have worse long-term patient and graft survival rates compared with whites, Hispanics, and Asians undergoing SPK. PMID- 29215536 TI - Comparison of Various Scoring Systems and Biochemical Markers in Predicting the Outcome in Acute Pancreatitis. AB - OBJECTIVE: Early risk assessment is important in acute pancreatitis (AP). The primary objective of this study was to compare various scores and biochemical markers done on the day of admission in predicting the outcome. METHODS: Demographic, clinical, and laboratory data of patients presenting within 2 weeks of onset were collected. Various scores were calculated and biochemical markers were measured on the day of admission. Optimum cutoffs were identified through receiver operating curve analysis. Multivariate analysis was used to identify predictors of outcome. RESULTS: Of 343 patients included, 202 (59%) were male; mean (SD) age was 38.7 (15.5) years. Acute pancreatitis was severe in 170 (49.6%) patients. Twenty-eight percent of the patients developed infected pancreatic necrosis and 18% died. An Acute Physiology and Chronic Health Evaluation (APACHE II) score of at least 7, bedside index for severity of AP (BISAP) of at least 2, systemic inflammatory response syndrome score of at least 3, and C-reactive protein of at least 82 ng/mL predicted severity. Predictors of infected pancreatic necrosis were as follows: PANC 3 score of at least 1, BISAP score of at least 2, and Marshall score of at least 2, whereas C-reactive protein of greater than 98, BISAP score of at least 2, APACHE score of at least 10, and a blood urea nitrogen of at least 17 predicted mortality. CONCLUSIONS: Both BISAP and APACHE II are comparable in predicting outcome, but BISAP predicted all 3 outcomes with the same cutoff and hence is a robust scoring system. PMID- 29215538 TI - Cortisol Outperforms Novel Cardiovascular, Inflammatory, and Neurohumoral Biomarkers in the Prediction of Outcome in Acute Pancreatitis. AB - OBJECTIVES: The aims of this study were to assess whether copeptin, pro-atrial natriuretic peptide, proadrenomedullin, and cortisol are associated with disease severity in patients with acute pancreatitis (AP) and to compare their ability in predicting organ failure or death. METHODS: From April 2011 to January 2015, 142 patients with AP were included in this prospective single-center study and observed for 4 days. Disease severity was rated by the Atlanta 1992 and 2012 criteria and organ failure by the modified Marshall score. The aforementioned laboratory markers, C-reactive protein, and procalcitonin were measured. RESULTS: Patients with moderate to severe AP showed significantly higher plasma concentrations of all biomarkers than did those with mild AP. Overall, 30 organ failures or deaths occurred. All biomarkers except cortisol had only modest discriminatory ability, with areas under the receiver operating characteristic curve (AUCs) between 0.44 and 0.66. Cortisol showed an AUC of 0.78 compared with the Acute Physiology and Chronic Health Evaluation II score with an AUC of 0.75. CONCLUSIONS: Cortisol was the best predictor of organ failure or death. All biomarkers were associated with disease severity to a similar degree as C reactive protein, the criterion-standard marker in AP. Further studies are warranted to define their clinical role. PMID- 29215539 TI - Biliary Stenting in Patients With Pancreatic Cancer: Results From a Population Based Cohort Study. AB - OBJECTIVE: We aimed to describe management of biliary obstruction (BO) in the context of pancreatic cancer within a population-based cohort. METHODS: We examined management of BO in 1863 patients diagnosed as having pancreatic cancer in 2010/2011. We used descriptive statistics and logistic regression to describe patterns of biliary stent usage, complications and duration of patency, associations between preoperative stenting and surgical outcomes, and between patient factors and management of jaundice. RESULTS: Almost half of the people in the cohort (n = 909) were jaundiced within 12 months of diagnosis. Two-thirds of these had at least 1 stent inserted. Preoperative stenting, mostly with plastic stents, occurred for 72% of patients who experienced jaundice prior to an attempted resection but was not associated with surgical outcomes. Seventy percent of the jaundiced patients who did not have an attempted resection were stented. Metal stents were less frequently replaced within 30 days than plastic (9% vs 42%). Living in a rural area was associated with reduced likelihood of having jaundice managed. CONCLUSIONS: Plastic stents were still used frequently, despite guidelines recommending metal in most contexts. Patients living in rural areas were less likely to have BO managed. This work highlights the need to monitor current practice. PMID- 29215540 TI - The Insulin Receptor Is Colocalized With the TRPV1 Nociceptive Ion Channel and Neuropeptides in Pancreatic Spinal and Vagal Primary Sensory Neurons. AB - OBJECTIVES: Recent observations demonstrated the expression of the insulin receptor (InsR) and its functional interaction with the transient receptor potential vanilloid type 1 receptor (TRPV1) in sensory ganglion neurons. Because sensory nerves are implicated in pancreatic inflammatory processes, we studied the colocalization of the InsR with TRPV1 and proinflammatory neuropeptides in spinal and vagal pancreatic afferent neurons. METHODS: Immunohistochemistry and quantitative morphometry were used to analyze the expression of TRPV1, InsR, substance P (SP), and calcitonin gene-related peptide (CGRP) in retrogradely labeled pancreatic dorsal root ganglion (DRG) and nodose ganglion (NG) neurons. RESULTS: The proportions of retrogradely labeled pancreatic TRPV1-, InsR-, SP-, and CGRP-immunoreactive neurons amounted to 68%, 48%, 33%, and 54% in DRGs and 64%, 49%, 40%, and 25% in the NGs. Of the labeled DRG and NG neurons, 23% and 35% showed both TRPV1 and InsR immunoreactivity. Colocalization of the InsR with SP or CGRP was demonstrated in 14% and 28% of pancreatic DRG and 24% and 8% of pancreatic NG neurons. CONCLUSIONS: The present findings provide morphological basis for possible functional interactions among the nociceptive ion channel TRPV1, the InsR, and the proinflammatory neuropeptides SP and CGRP expressed by pancreatic DRG and NG neurons. PMID- 29215541 TI - Pancreatic Insufficiency in Cystic Fibrosis: Influence of Inflammatory Response Genes. AB - OBJECTIVE: Pancreatic insufficiency (PI) in cystic fibrosis (CF) patients is a crucial clinical marker for severity and disease progression. In our study, 125 modifier genes and their SNPs were associated between CF patients with PI or pancreatic sufficiency. METHODS: We prospectively evaluated 214 CF patients admitted at 1 hospital for a 2-year period. The PI status was associated with clinical variables and SNPs related with inflammatory response considering CFTR mutations. Open Array technique was used to perform the SNPs identification. RESULTS: For PI risk, after correction by multiple test, in CF patients and 2 CFTR mutations class I, II, and/or III, there were 6 SNPs with positive association (P < 0.005). The odds ratio amplitude was 0.087 (95% confidence interval [CI], 0.004-0.544) for rs9870255*CG (CTNNB1 gene) to 11.06 (95% CI, 1.746-252.3) for rs729302*AA (IRF5 gene). For all CF patients at the same time, 9 SNPs showed positive association. The odds ratio amplitude was 0.144 (95% CI, 0.028-0.602) for rs2348071*AA (PSMA3 gene) to 5.809 (95% CI, 1.536-37.54) for rs11702779*AA (RUNX1 gene). In our data, we observed the interaction between CFTR mutations, rs9870255*CTNNB1, rs9378805*IRF4, and rs7664617*KCNIP4 to PI status. CONCLUSIONS: Multiple SNPs in inflammatory response genes showed association with PI considering the CFTR mutations screening. PMID- 29215542 TI - Endoscopic Ultrasound-Guided Fine-Needle Aspiration Cytology Combined With Automated Quantitative DNA Cytometry Can Improve the Value in the Detection of Pancreatic Malignancy. AB - OBJECTIVES: Quantitative DNA-image cytometry (ICM) is used to diagnose malignancy via detecting changes in DNA content. We aimed to estimate the value of cytology, DNA-ICM, and their combination in diagnosing pancreatic malignancy. METHODS: One hundred twenty-one endoscopic ultrasound-guided fine-needle aspiration samples from 116 patients suspected for pancreatic malignancy were examined by cytology and DNA-ICM. Their results and the final diagnoses (malignancy or not) were collected. Diagnostic values were compared among cytology, DNA-ICM, and their combination. RESULTS: The DNA-ICM had a lower sensitivity and accuracy than cytology (64.2% vs 81.1%; 71.9% vs 85.1%). The combination of the techniques significantly improved the diagnostic accuracy compared with that of cytology or DNA-ICM alone (0.932 vs 0.905, P = 0.02; 0.932 vs 0.821, P < 0.0001). Using the Youden index, we determined that one cell with DI (DNA index) >=2.5 is the optimal cutoff value for DNA-ICM to diagnose pancreatic malignancy. After adoption of this criterion, the sensitivity and accuracy were improved to 74.7% and 80.2% with DNA-ICM and 90.5% and 92.6% with the combined method. CONCLUSIONS: The DNA-ICM is an effective complementary method to cytology in diagnosing pancreatic malignancy. Although the diagnostic value for DNA-ICM is lower than that of cytology, an improved value was obtained after their combination. PMID- 29215543 TI - Fungal Infections in Patients With Infected Pancreatic Necrosis and Pseudocysts: Risk Factors and Outcome. AB - OBJECTIVES: Fungal infections in patients with acute pancreatitis are common and potentially life threatening. Data on fungal pancreatic infections are inconsistent. Therefore, the aim of this study was to identify risk factors for fungal infection and to determine their impact on survival. METHODS: This was a retrospective analysis of pathogen spectrum and outcome of infected pancreatic necrosis or pseudocysts from 3 German hospitals from 2002 to 2016. RESULTS: A total of 187 fine-needle aspirations were performed in 113 patients. Fungal pancreatic infections, predominantly caused by Candida species, were identified in 52 patients (46%). Antibiotic treatment before fine-needle aspiration (84.6% vs 49.2%, P = 0.003) and the duration of therapy (9 vs 2 days, P = 0.024) identified patients at an increased risk of fungal infection. Patients with fungal pancreatic infections had a longer hospital stay (34 vs 14 days, P < 0.001), received intensive care treatment more often (55.8% vs 27.9%, P = 0.002), and had a lower 365-day survival (78.4 [SE, 6.6%] vs 95.0 [SE, 2.0%], P = 0.035) than patients with bacterial pancreatic infections only. CONCLUSIONS: Fungal infections are common in patients with infected pancreatic necrosis and pseudocysts and indicate patients with a higher risk of mortality in the long term. PMID- 29215544 TI - The -251 A/T Polymorphism in the IL8 Promoter is a Risk Factor for Acute Pancreatitis. AB - OBJECTIVES: Inflammation in the setting of acute pancreatitis (AP) is partially driven by pathogen recognition receptors that recognize damage-associated molecular patterns. Interleukin (IL)-8 is a chemotactic factor produced by pathogen recognition receptor-expressing cells. A single-nucleotide polymorphism in IL8 promoter region (-251 A/T) has been implicated in inflammatory diseases. We examined whether this IL8 polymorphism confers susceptibility to AP. METHODS: Patients with AP (n = 357) were prospectively recruited. Clinical data and blood were collected in subjects and controls (n = 347). Severity was defined following the Revised Atlanta Classification. Genotypes were assessed by quantitative polymerase chain reaction using TaqMan probes. RESULTS: Patients and controls had similar demographics and had no difference in Hardy-Weinberg (patients, P = 0.29; controls, P = 0.66). Twenty-five percent of patients developed severe AP. Compared with controls, the A/A genotype was more common in AP (P = 0.041; odds ratio, 1.42; 95% confidence interval, 1-1.99). Obese patients with the A/A genotype were more likely to develop mild AP (P = 0.047). CONCLUSIONS: The -251 polymorphism confers susceptibility to AP and disease severity in obese patients. However, its effect is moderate. One potential mechanism for this susceptibility is via increased IL8 production by innate cells, with subsequent enhanced neutrophil influx and pancreatic injury. PMID- 29215545 TI - Metal Artifact-Free and Dose-Efficient Computed Tomography Imaging of a Cardiac Prosthetic Valve Using Spectral Shaping of the X-ray Beam: A Case Report. AB - Bioprosthetic valve (BPV) thrombosis can be challenging to diagnose with cardiac computed tomography owing to metal artifacts of the BPV. In this case report, an optimized metal artifact reduction protocol using a third-generation dual-source multidetector computed tomographic scanner with high kVp (Sn150kVp) and tin (Sn) filtration and high temporal resolution yielded high-quality, artifact-free, dynamic images of a thrombosed mitral BPV. PMID- 29215546 TI - Initial tadalafil and ambrisentan combination therapy in pulmonary arterial hypertension: cLinical and haemodYnamic long-term efficacy (ITALY study). AB - AIMS: Initial combination therapy with ambrisentan and tadalafil (upfront therapy) offers clinical benefits in pulmonary arterial hypertension (PAH) and reduces the risk of clinical failure compared with monotherapy in naive patients. The aim of study is to assess the efficacy of a 12-month upfront therapy with ambrisentan and tadalafil in improving haemodynamics in incident PAH patients. METHODS: This is a multicentre retrospective analysis of real-world Italian clinical data in 56 patients with newly diagnosed PAH. Clinical evaluations, including demographics, medical history, WHO functional class, 6-min walk distance, and right heart catheterization, were collected from the patients' medical records at baseline and at 12-month follow-up. RESULTS: At baseline, there were 16, 34, and 6 patients in WHO functional class II, III, and IV, respectively. Over a median follow-up of 12 months, 54 (96%) patients were still alive, 6 (11%) of whom received parenteral prostanoids. Ambrisentan-tadalafil combination was associated with significant improvements in WHO functional class (2.2 +/- 0.8 vs. 2.8 +/- 0.6, P < 0.001, improved in 29 patients), exercise capacity (395 +/- 123 vs. 353 +/- 101 m, P = 0.039), N-terminal probrain natriuretic peptide (528 +/- 493 vs. 829 +/- 620 pg/ml; P = 0.009), and haemodynamics (right atrial pressure 7 +/- 4 vs. 9 +/- 5 mmHg, P = 0.02; mean pulmonary artery pressure 45 +/- 15 vs. 50 +/- 13 mmHg, P = 0.03; cardiac index 3.0 +/- 1.0 vs. 2.5 +/- 0.9 l/min/m, P = 0.001; pulmonary vascular resistance 8 +/- 4 vs. 11 +/- 6 Wood units, P = 0.001) compared with baseline. CONCLUSIONS: Initial combination therapy with ambrisentan and tadalafil offers clinical benefits and significant haemodynamic improvement in newly diagnosed PAH patients. PMID- 29215547 TI - Hypnosis as an effective and inexpensive option to control pain in transcatheter ablation of cardiac arrhythmias. AB - : Supportive care for pain relief and back discomfort during electrophysiology interventions is usually needed in the electrophysiology lab, especially in long lasting procedures like atrial fibrillation ablation. Although this is usually achieved with conventional pharmacologic anesthesia, hypnosis has recently aroused interest as a reliable tool to complement and possibly enhance conscious sedation. We collected five case of percutaneous arrhythmia ablation in which, after informed consent, hypnosis was performed by nurse anesthetists in the cath lab. In each case at the end of the intervention, the patients described complete alterations of perception or memory of the pain or of the length of the study. No anesthetic drug was needed. While waiting for more robust data, we suggest hypnosis could be a reliable, inexpensive and well tolerated tool to obtain complete pain control and comfort during arrhythmia ablation. PMID- 29215548 TI - Secondary Metabolic Profiles of Two Cultivars of Piper nigrum (Black Pepper) Resulting from Infection by Fusarium solani f. sp. piperis. AB - Bragantina and Cingapura are the main black pepper (Piper nigrum L.) cultivars and the Para state is the largest producer in Brazil with about 90% of national production, representing the third largest production in the world. The infection of Fusarium solani f. sp. piperis, the causal agent of Fusarium disease in black pepper, was monitored on the cultivars Bragantina (susceptible) and Cingapura (tolerant), during 45 days' post infection (dpi). Gas Chromatography-Mass spectrometry (GC-MS) analysis of the volatile concentrates of both cultivars showed that the Bragantina responded with the production of higher contents of alpha-bisabolol at 21 dpi and a decrease of elemol, mostly at 30 dpi; while Cingapura displayed an decrease of delta-elemene production, except at 15 dpi. The phenolic content determined by the Folin Ciocalteu method showed an increase in the leaves of plants inoculated at 7 dpi (Bragantina) and 7-15 dpi (Cingapura); in the roots, the infection caused a phenolic content decrease in Bragantina cultivar at 45 dpi and an increase in the Cingapura cultivar at 15, 30 and 45 dpi. High Performance Liquid Chromatography-Mass spectrometry (HPLC-MS) analysis of the root extracts showed a qualitative variation of alkamides during infection. The results indicated that there is a possible relationship between secondary metabolites and tolerance against phytopathogens. PMID- 29215549 TI - Nature Cure and Non-Communicable Diseases: Ecological Therapy as Health Care in India. AB - With rapidly increasing rates of non-communicable diseases, India is experiencing a dramatic public health crisis that is closely linked to changing lifestyles and the growth of the middle-class. In this essay we discuss how the practice of Nature Cure provides a way of understanding the scale and scope of the crisis, as it is embodied, and a way to understand key elements of a solution to problems that the crisis presents for institutionalized health care. As institutionalized in contemporary India, Nature Cure involves treatment and managed care using earth, air, sunlight, and water as well as a strict dietary regimen. In this regard, the essay shows how Nature Cure's bio-ecological orientation toward public health, which is grounded in the history of its modern incorporation into India, provides an expansionist, ecological model for holistic care that counters the reductionist logic of bio-medical pharmaceuticalization. PMID- 29215550 TI - Poly-gamma-glutamic Acid Synthesis, Gene Regulation, Phylogenetic Relationships, and Role in Fermentation. AB - Poly-gamma-glutamic acid (gamma-PGA) is a biodegradable biopolymer produced by several bacteria, including Bacillus subtilis and other Bacillus species; it has good biocompatibility, is non-toxic, and has various potential biological applications in the food, pharmaceutical, cosmetic, and other industries. In this review, we have described the mechanisms of gamma-PGA synthesis and gene regulation, its role in fermentation, and the phylogenetic relationships among various pgsBCAE, a biosynthesis gene cluster of gamma-PGA, and pgdS, a degradation gene of gamma-PGA. We also discuss potential applications of gamma PGA and highlight the established genetic recombinant bacterial strains that produce high levels of gamma-PGA, which can be useful for large-scale gamma-PGA production. PMID- 29215551 TI - CMG2 Expression Is an Independent Prognostic Factor for Soft Tissue Sarcoma Patients. AB - The capillary morphogenesis gene 2 (CMG2), also known as the anthrax toxin receptor 2 (ANTXR2), is a transmembrane protein putatively involved in extracellular matrix (ECM) adhesion and tissue remodeling. CMG2 promotes endothelial cell proliferation and exhibits angiogenic properties. Its downregulation is associated with a worsened survival of breast carcinoma patients. Aim of this study was to analyze the CMG2 mRNA and protein expression in soft tissue sarcoma and their association with patient outcome. CMG2 mRNA was measured in 121 tumor samples of soft tissue sarcoma patients using quantitative real-time PCR. CMG2 protein was evaluated in 52 tumor samples by ELISA. CMG2 mRNA was significantly correlated with the corresponding CMG2 protein expression (rs = 0.31; p = 0.027). CMG2 mRNA expression was associated with the mRNA expressions of several ECM and tissue remodeling enzymes, among them CD26 and components of the uPA system. Low CMG2 mRNA expression was correlated with a worsened patients' disease-specific survival in Kaplan-Meier analyses (mean patient survival was 25 vs. 96 months; p = 0.013), especially in high-stage tumors. A decreased CMG2 expression is a negative prognostic factor for soft tissue sarcoma patients. CMG2 may be an interesting candidate gene for the further exploration of soft tissue sarcoma genesis and progression. PMID- 29215552 TI - Two Distinct Clinical Courses of Human Cowpox, Germany, 2015. AB - Here we present two cases of human infection with cowpox virus with distinct clinical courses. A series of clinical photographs documents lesion progression over time. In the first case-an unvaccinated young veterinary assistant-a pustule was treated locally with cortisone. The lesion turned into a large ulcer accompanied by severe lymphadenitis. Based on her close contact to a sick stray cat, infection with cowpox virus was assumed and confirmed by virus isolation, PCR, and serology. The clinical course took up to eleven months until healing of the wound was complete. Transmission of cowpox virus from the cat was likely because a skin swab was PCR-positive and the cat had a high titer of anti orthopoxvirus antibodies. In contrast, a rather mild clinical course of cowpox was confirmed in a 49-year-old male farmer vaccinated against smallpox. Only a small eschar developed, and wound closure was complete after 6 weeks. PMID- 29215553 TI - Anti-Diabetic Effect of Organo-Chalcogen (Sulfur and Selenium) Zinc Complexes with Hydroxy-Pyrone Derivatives on Leptin-Deficient Type 2 Diabetes Model ob/ob Mice. AB - Since the discovery of the anti-diabetic effects of zinc (Zn) complex, we synthesized several Zn complexes and evaluated their effects using the KKAy type 2 diabetes mouse model. Recently, we demonstrated that organo-chalcogen (sulfur and selenium) Zn complexes elicit strong anti-diabetic effects. In this study, we treated leptin-deficient ob/ob mice with organo-chalcogen Zn complexes, and evaluated the resulting anti-diabetic effects in a mouse model of diabetes arising from pathogenic mechanisms different from those in KKAy mice. C57BL/6J ob/ob mice orally received either bis(3-hydroxy-2-methyl-4(H)-pyran-4-thiono)Zn, [Zn(hmpt)2] or bis(3-hydroxy-2-methyl-4(H)-pyran-4-seleno)Zn, [Zn(hmps)2], daily for 28 days. Both Zn complexes elicited potent blood glucose-lowering effects and improved HbA1c values. Moreover, glucose intolerance improved as evidenced by the oral glucose tolerance test, and fasting plasma insulin levels decreased in both types of Zn complex-treated mice. Zn concentrations in the liver and pancreas of [Zn(hmpt)2]-treated mice and in the pancreas of [Zn(hmps)2]-treated mice were increased, respectively. The results suggest that the present Zn complexes mainly exerted an anti-diabetic effect in the liver or pancreas. This study is the first to demonstrate that potent Zn complexes elicit anti-diabetic effects in not only KKAy but also ob/ob mice via a normalizing effect on insulin secretion and fasting blood glucose levels. PMID- 29215554 TI - Pets, Purity and Pollution: Why Conventional Models of Disease Transmission Do Not Work for Pet Rat Owners. AB - In the United Kingdom, following the emergence of Seoul hantavirus in pet rat owners in 2012, public health authorities tried to communicate the risk of this zoonotic disease, but had limited success. To explore this lack of engagement with health advice, we conducted in-depth, semi-structured interviews with pet rat owners and analysed them using a grounded theory approach. The findings from these interviews suggest that rat owners construct their pets as different from wild rats, and by elevating the rat to the status of a pet, the powerful associations that rats have with dirt and disease are removed. Removing the rat from the contaminated outside world moves their pet rat from being 'out of place' to 'in place'. A concept of 'bounded purity' keeps the rat protected within the home, allowing owners to interact with their pet, safe in the knowledge that it is clean and disease-free. Additionally, owners constructed a 'hierarchy of purity' for their pets, and it is on this structure of disease and risk that owners base their behaviour, not conventional biomedical models of disease. PMID- 29215555 TI - The Effect of Branding to Promote Healthy Behavior: Reducing Tobacco Use among Youth and Young Adults. AB - Policy interventions such as public health mass media campaigns disseminate messages in order to improve health-related knowledge, attitudes, beliefs and behaviors at the population level. Only more recently have campaigns that promote health-related behaviors adopted branding, a well-established marketing strategy, to influence how consumers think and feel about a message. This study examines whether positive brand equity for the national truth(r) campaign is associated with lower likelihood of cigarette use over time using the nationally representative Truth Longitudinal Cohort of youth and young adults, aged 15-21. Logistic regression models were used to examine the relationship between brand equity and the likelihood of reporting past 30-day smoking over a 12-month period. Respondents who reported positive brand equity were significantly less likely to report past 30-day smoking 12 months later (OR = 0.66, p < 0.05), controlling for covariates known to influence tobacco use behavior. Findings also translate the effect size difference to a population estimate of more than 300,000 youth and young adults having been prevented from current smoking over the course of a year. Building brand equity is a strategic process for health promotion campaigns, not only to improve message recall and salience but also to influence behavioral outcomes. PMID- 29215556 TI - Mutual Effects of Fluorine Dopant and Oxygen Vacancies on Structural and Luminescence Characteristics of F Doped SnO2 Nanoparticles. AB - SnO2 and F doped SnO2 (FTO) nanoparticles (NPs) have been synthesized by the hydrothermal method with subsequent annealing at 500 degrees C. The microstructure and photoluminescence (PL) property of SnO2 and FTO NPs have been investigated, and an assumption model about the luminescence process of FTO NPs has been proposed. All of the SnO2 and FTO NPs possess polycrystalline tetragonal rutile structures, and the average size in the range of 16.5-20.2 nm decreases with the increasing of F doping content. The doping element F is shown a uniformly distribution by electron energy loss spectroscopy (EELS) mapping. The oxygen vacancy concentration becomes higher as is verified by Raman and X-ray photoelectron spectra (XPS). There are three kinds of oxygen chemical states in SnO2 and FTO NPs, in which Oalpha corresponds to oxygen vacancies. The room temperature PL position is observed to be independent of F doping content. F- may substitute O2- into the SnO2 lattice by generating F O + and one extra e-, which can combine with V O + or V O + + to generate V O 0 or V O + to ensure charge balance. PMID- 29215557 TI - Indoors Locality Positioning Using Cognitive Distances and Directions. AB - Spatial relationships are crucial to spatial knowledge representation, such as positioning localities. However, minimal attention has been devoted to positioning localities indoors with locality description. Distance and direction relations are generally used when positioning localities, namely, translating descriptive localities into spatially explicit ones. We propose a joint probability function to model locality distribution to address the uncertainty of positioning localities. The joint probability function consists of distance and relative direction membership functions. We propose definitions and restrictions for the use of the joint probability function to make the locality distribution highly practical. We also evaluate the performance of our approach through indoor experiments. Test results demonstrate that a positioning accuracy of 3.5 m can be achieved with the semantically derived spatial relationships. PMID- 29215559 TI - Two Interrogated FBG Spectral Linewidth for Strain Sensing through Correlation. AB - The spectral linewidth from two cross-correlated fiber Bragg gratings (FBGs) are interrogated and characterized using a delayed self-homodyne method for fiber strain sensing. This approach employs a common higher frequency resolution instead of wavelength. A sensitivity and resolution of 166 MHz/MUepsilon and 50 nepsilon were demonstrated from 4 GHz spectral linewidth characterization on the electric spectrum analyzer. A 10 nepsilon higher resolution can be expected through random noise analyses when the spectral linewidth from two FBG correlations is reduced to 1 GHz. Moreover, the FBG spectrum is broadened during strain and experimentally shows a 0.44 pm/MUepsilon sensitivity, which is mainly caused by the photo elastic effect from the fiber grating period stretch. PMID- 29215558 TI - Synthesis of Benzyl Acetate Catalyzed by Lipase Immobilized in Nontoxic Chitosan Polyphosphate Beads. AB - Enzymes serve as biocatalysts for innumerable important reactions, however, their application has limitations, which can in many cases be overcome by using appropriate immobilization strategies. Here, a new support for immobilizing enzymes is proposed. This hybrid organic-inorganic support is composed of chitosan-a natural, nontoxic, biodegradable, and edible biopolymer-and sodium polyphosphate as the inorganic component. Lipase B from Candida antarctica (CALB) was immobilized on microspheres by encapsulation using these polymers. The characterization of the composites (by infrared spectroscopy, thermogravimetric analysis, and confocal Raman microscopy) confirmed the hybrid nature of the support, whose external part consisted of polyphosphate and core was composed of chitosan. The immobilized enzyme had the following advantages: possibility of enzyme reuse, easy biocatalyst recovery, increased resistance to variations in temperature (activity declined from 60 degrees C and the enzyme was inactivated at 80 degrees C), and increased catalytic activity in the transesterification reactions. The encapsulated enzymes were utilized as biocatalysts for transesterification reactions to produce the compound responsible for the aroma of jasmine. PMID- 29215560 TI - Multi-Component One-Pot Reaction of Aromatic Carbonyl Compounds, Tosylhydrazide, and Arylboronic Acids. AB - In this paper, we developed a new method using 4-bromoacetophenone as the starting material, with tosylhydrazide and two arylboronic acids using Barluenga and Suzuki couplings in a four-component one-pot reaction to afford the target product 4-benzyl-1,1'-biphenyls. This system that we have developed enables the use of easily accessible starting materials and can be employed on a wide variety of substrates with good functional group tolerance. In particular, this protocol can be applied to the synthesis of 4-(1-([1,1'-biphenyl]-4-yl)ethyl)pyridine derivatives, a class of potential analogs of CPY17 inhibitors of prostate cancer. PMID- 29215561 TI - Link Connectivity and Coverage of Underwater Cognitive Acoustic Networks under Spectrum Constraint. AB - Extensive attention has been given to the use of cognitive radio technology in underwater acoustic networks since the acoustic spectrum became scarce due to the proliferation of human aquatic activities. Most of the recent studies on underwater cognitive acoustic networks (UCANs) mainly focus on spectrum management or protocol design. Few efforts have addressed the quality-of-service (QoS) of UCANs. In UCANs, secondary users (SUs) have lower priority to use acoustic spectrum than primary users (PUs) with higher priority to access spectrum. As a result, the QoS of SUs is difficult to ensure in UCANs. This paper proposes an analytical model to investigate the link connectivity and the probability of coverage of SUs in UCANs. In particular, this model takes both topological connectivity and spectrum availability into account, though spectrum availability has been ignored in most recent studies. We conduct extensive simulations to evaluate the effectiveness and the accuracy of our proposed model. Simulation results show that our proposed model is quite accurate. Besides, our results also imply that the link connectivity and the probability of coverage of SUs heavily depend on both the underwater acoustic channel conditions and the activities of PUs. PMID- 29215562 TI - Improved Performance of Magnetic Cross-Linked Lipase Aggregates by Interfacial Activation: A Robust and Magnetically Recyclable Biocatalyst for Transesterification of Jatropha Oil. AB - Lipases are the most widely employed enzymes in commercial industries. The catalytic mechanism of most lipases involves a step called "interfacial activation". As interfacial activation can lead to a significant increase in catalytic activity, it is of profound importance in developing lipase immobilization methods. To obtain a potential biocatalyst for industrial biodiesel production, an effective strategy for enhancement of catalytic activity and stability of immobilized lipase was developed. This was performed through the combination of interfacial activation with hybrid magnetic cross-linked lipase aggregates. This biocatalyst was investigated for the immobilization of lipase from Rhizomucor miehei (RML). Under the optimal conditions, the activity recovery of the surfactant-activated magnetic RML cross-linked enzyme aggregates (CLEAs) was as high as 2058%, with a 20-fold improvement over the free RML. Moreover, the immobilized RML showed excellent catalytic performance for the biodiesel reaction at a yield of 93%, and more importantly, could be easily separated from the reaction mixture by simple magnetic decantation, and retained more than 84% of its initial activities after five instances of reuse. This study provides a new and versatile approach for designing and fabricating immobilized lipase with high activation and stability. PMID- 29215563 TI - Response of Ustilago maydis against the Stress Caused by Three Polycationic Chitin Derivatives. AB - Chitosan is a stressing molecule that affects the cells walls and plasma membrane of fungi. For chitosan derivatives, the action mode is not clear. In this work, we used the yeast Ustilago maydis to study the effects of these molecules on the plasma membrane, focusing on physiologic and stress responses to chitosan (CH), oligochitosan (OCH), and glycol-chitosan (GCH). Yeasts were cultured with each of these molecules at 1 mg.mL-1 in minimal medium. To compare plasma membrane damage, cells were cultivated in isosmolar medium. Membrane potential (Deltapsi) as well as oxidative stress were measured. Changes in the total plasma membrane phospholipid and protein profiles were analyzed using standard methods, and fluorescence-stained mitochondria were observed. High osmolarity did not protect against CH inhibition and neither affected membrane potential. The OCH did produce higher oxidative stress. The effects of these molecules were evidenced by modifications in the plasma membrane protein profile. Also, mitochondrial damage was evident for CH and OCH, while GCH resulted in thicker cells with fewer mitochondria and higher glycogen accumulation. PMID- 29215564 TI - Piezoelectric Potential in Single-Crystalline ZnO Nanohelices Based on Finite Element Analysis. AB - Electric potential produced in deformed piezoelectric nanostructures is of significance for both fundamental study and practical applications. To reveal the piezoelectric property of ZnO nanohelices, the piezoelectric potential in single crystal nanohelices was simulated by finite element method calculations. For a nanohelix with a length of 1200 nm, a mean coil radius of 150 nm, five active coils, and a hexagonal coiled wire with a side length 100 nm, a compressing force of 100 nN results in a potential of 1.85 V. This potential is significantly higher than the potential produced in a straight nanowire with the same length and applied force. Maintaining the length and increasing the number of coils or mean coil radius leads to higher piezoelectric potential in the nanohelix. Appling a force along the axial direction produces higher piezoelectric potential than in other directions. Adding lateral forces to an existing axial force can change the piezoelectric potential distribution in the nanohelix, while the maximum piezoelectric potential remains largely unchanged in some cases. This research demonstrates the promising potential of ZnO nanohelices for applications in sensors, micro-electromechanical systems (MEMS) devices, nanorobotics, and energy sciences. PMID- 29215565 TI - A Miniaturized Impedimetric Immunosensor for the Competitive Detection of Adrenocorticotropic Hormone. AB - Adrenocorticotropic hormone (ACTH) plays an essential role in regulating corticosteroid hormone production, which has important functions in a myriad of critical physiological functions. In this proof-of-concept study, a miniaturized immunosensor was developed for the highly sensitive detection of ACTH using electrochemical impedance spectroscopy (EIS) in connection with disposable screen printed gold electrodes (SPGEs). A film of 3,3' dithiobis[sulfosuccinimidylpropionate] (DTSSP) was prepared to immobilize anti ACTH antibodies covalently on the nanostructured SPGE surface. The surface immobilized anti-ACTH antibodies captured the biotinylated ACTH (biotin-ACTH) and non-labelled ACTH for the competitive immunoassay. After coupling of a streptavidin-alkaline phosphatase conjugate (Streptavidin-ALP), the bio-catalysed precipitation of an insoluble and insulating product onto the sensing interface changed the charge transfer resistance (Rct) characteristics significantly. The detection limit of 100 fg/mL was determined for ACTH in a 5 MUL sample volume, which indicated that this versatile platform can be easily adapted for miniaturized electrochemical immunosensing of cancer marker biomolecules. High selectivity and sensitivity of our immunoassay to detect ACTH in real samples demonstrated its promising potential for future development and applications using clinical samples. PMID- 29215566 TI - Multi-Family Pediatric Pain Group Therapy: Capturing Acceptance and Cultivating Change. AB - Behavioral health interventions for pediatric chronic pain include cognitive behavioral (CBT), acceptance and commitment (ACT), and family-based therapies, though literature regarding multi-family therapy (MFT) is sparse. This investigation examined the utility and outcomes of the Courage to Act with Pain: Teens Identifying Values, Acceptance, and Treatment Effects (CAPTIVATE) program, which included all three modalities (CBT, ACT, MFT) for youth with chronic pain and their parents. Program utility, engagement, and satisfaction were evaluated via quantitative and qualitative feedback. Pain-specific psychological, behavioral, and interpersonal processes were examined along with outcomes related to disability, quality of life, pain interference, fatigue, anxiety, and depressive symptoms. Participants indicated that CAPTIVATE was constructive, engaging, and helpful for social and family systems. Clinical and statistical improvements with large effect sizes were captured for pain catastrophizing, acceptance, and protective parenting but not family functioning. Similar effects were found for functional disability, pain interference, fatigue, anxiety, and depression. Given the importance of targeting multiple systems in the management of pediatric chronic pain, preliminary findings suggest a potential new group based treatment option for youth and families. Next steps involve evaluating the differential effect of the program over treatment as usual, as well as specific CBT, ACT, and MFT components and processes that may affect outcomes. PMID- 29215567 TI - Are Pericentric Inversions Reorganizing Wedge Shell Genomes? AB - Wedge shells belonging to the Donacidae family are the dominant bivalves in exposed beaches in almost all areas of the world. Typically, two or more sympatric species of wedge shells differentially occupy intertidal, sublittoral, and offshore coastal waters in any given locality. A molecular cytogenetic analysis of two sympatric and closely related wedge shell species, Donax trunculus and Donax vittatus, was performed. Results showed that the karyotypes of these two species were both strikingly different and closely alike; whilst metacentric and submetacentric chromosome pairs were the main components of the karyotype of D. trunculus, 10-11 of the 19 chromosome pairs were telocentric in D. vittatus, most likely as a result of different pericentric inversions. GC-rich heterochromatic bands were present in both species. Furthermore, they showed coincidental 45S ribosomal RNA (rRNA), 5S rRNA and H3 histone gene clusters at conserved chromosomal locations, although D. trunculus had an additional 45S rDNA cluster. Intraspecific pericentric inversions were also detected in both D. trunculus and D. vittatus. The close genetic similarity of these two species together with the high degree of conservation of the 45S rRNA, 5S rRNA and H3 histone gene clusters, and GC-rich heterochromatic bands indicate that pericentric inversions contribute to the karyotype divergence in wedge shells. PMID- 29215569 TI - The Effect of Feed Form on Diet Digestibility and Cecal Parameters in Rabbits. AB - Fifteen New Zealand rabbits were randomly assigned to one of 3 dietary treatment groups of 5 animals each and fed pelleted, extruded, or muesli diets in a completely randomized design experiment. Rabbits were placed in individual cages with ad libitum access to water and food for 45 days acclimation followed by 30 days experimental period. Feed intake of rabbits fed pelleted and extruded diets was greater (p < 0.05) than rabbits fed the muesli diet (125.6 and 130.4 vs. 91.9 g/d), but weight change and feed efficiency were not affected by treatment. Diet digestibility among the treatments was inconsistent when comparing results obtained from total fecal collection and AIA (please define) as an internal marker. Rabbits fed extruded and pelleted diets had lower (p < 0.05) cecal pH (6.42 and 6.38 vs. 7.02, respectively), and higher (p < 0.05) production of SCFA (18.5 and 19.0 vs. 11.7 mM, respectively) than those fed muesli. The fermentation products from rabbits fed pelleted and extruded diets had a greater proportion of butyrate and less propionate than rabbits fed muesli. The results of this study indicate that the basal dietary composition had a greater impact on diet utilization and cecal fermentation than food form. PMID- 29215568 TI - Influenza A Virus M2 Protein: Roles from Ingress to Egress. AB - Influenza A virus (IAV) matrix protein 2 (M2) is among the smallest bona fide, hence extensively studied, ion channel proteins. The M2 ion channel activity is not only essential for virus replication, but also involved in modulation of cellular homeostasis in a variety of ways. It is also the target for ion channel inhibitors, i.e., anti-influenza drugs. Thus far, several studies have been conducted to elucidate its biophysical characteristics, structure-function relationships of the ion channel, and the M2-host interactome. In this review, we discuss M2 protein synthesis and assembly into an ion channel, its roles in IAV replication, and the pathophysiological impact on the host cell. PMID- 29215571 TI - Application of the Superelastic NiTi Spring in Ankle Foot Orthosis (AFO) to Create Normal Ankle Joint Behavior. AB - Hinge-based Ankle Foot Orthosis (HAFO) is one of the most common non-surgical solutions for the foot drop. In conventional HAFOs, the ankle joint is almost locked, and plantar flexion is restricted due to the high stiffness of the hinge mechanism. This often leads to a rigid walking gate cycle, poor muscle activity, and muscle atrophy. Since the ankle torque-angle loop has a non-linear profile, the use of a superelastic NiTi spring within the hinge, due to its nonlinear behavior, could recreate a close-to-normal stiffness of the normal ankle joint, which, in turn, could create a more natural walk. The focus of this study is to evaluate the performance of a superelastic NiTi spring versus a conventional Stainless Steel spring in a hinge mechanism of a custom-fit HAFO. To this aim, a custom-fit HAFO was fabricated via the fast casting technique. Then, motion analysis was performed for two healthy subjects (Case I and Case II): (i) subjects with bare foot; (ii) subjects wearing a conventional HAFO with no spring; (iii) subjects wearing a conventional Stainless Steel-based HAFO; and (iv) subjects wearing a NiTi spring-based HAFO. The data related to the ankle angle and the amount of moment applied to the ankle during walking were recorded using Cortex software and used for the evaluations. Finally, Finite Element Analysis (FEA) was performed to evaluate the safety of the designed HAFO. The NiTi spring offers a higher range of motion (7.9 versus 4.14 degree) and an increased level of moment (0.55 versus 0.36 N.m/kg). Furthermore, a NiTi spring offers an ankle torque-angle loop closer to that of the healthy subjects. PMID- 29215570 TI - Host Cell Restriction Factors that Limit Influenza A Infection. AB - Viral infection of different cell types induces a unique spectrum of host defence genes, including interferon-stimulated genes (ISGs) and genes encoding other proteins with antiviral potential. Although hundreds of ISGs have been described, the vast majority have not been functionally characterised. Cellular proteins with putative antiviral activity (hereafter referred to as "restriction factors") can target various steps in the virus life-cycle. In the context of influenza virus infection, restriction factors have been described that target virus entry, genomic replication, translation and virus release. Genome wide analyses, in combination with ectopic overexpression and/or gene silencing studies, have accelerated the identification of restriction factors that are active against influenza and other viruses, as well as providing important insights regarding mechanisms of antiviral activity. Herein, we review current knowledge regarding restriction factors that mediate anti-influenza virus activity and consider the viral countermeasures that are known to limit their impact. Moreover, we consider the strengths and limitations of experimental approaches to study restriction factors, discrepancies between in vitro and in vivo studies, and the potential to exploit restriction factors to limit disease caused by influenza and other respiratory viruses. PMID- 29215572 TI - Development of Octyl Methoxy Cinnamates (OMC)/Silicon Dioxide (SiO2) Nanoparticles by Sol-Gel Emulsion Method. AB - Although octyl methoxy cinnamates (OMC) is the most used Ultraviolet B (UVB) filter in sunscreen, it has poor light stability in emulsion system. In this study, OMC/SiO2 nanoparticles were prepared via sol-gel emulsion method. Tetraethoxy silane (TEOS) was used as the silica source to encapsulate OMC. Modification of experimental parameters such as stirring speed of condensation reaction and emulsion condition, pH value of acid-catalyzed, surfactant and different percentage of TEOS and OMC, adding of OMC and surfactant to different phase may affect the particle size, and yield and entrapment efficiency in preparation process of OMC/SiO2 nanoparticles. Concluding all the parameter, we found that when condensation reaction and emulsion conditions are at 1000 rpm, pH 1.5, Span 80/Tween 20, TEOS/OMC ratios 1:1, OMC and surfactants added in oil phase, resulting in smaller particle sizes 476.5 nm, higher yield 95.8%, and higher entrapment efficiency 61.09%. Fourier transform infrared (FTIR) analysis demonstrated that OMC/SiO2 nanoparticles were successfully prepared. In vitro release profile supposed that OMC/SiO2 nanoparticles can delay OMC releasing and had 60.83% decreasing of cumulative amount. Therefore, the OMC/SiO2 nanoparticles have the potential to develop as new sunscreen materials in the use for cosmetics field in the future. PMID- 29215573 TI - The Use of Liposomes and Nanoparticles as Drug Delivery Systems to Improve Cancer Treatment in Dogs and Cats. AB - BACKGROUND: Cancer remains a leading cause of death in companion animals. In human medicine, liposomes and nanoparticles have been extensively investigated as drug delivery systems (DDS) for anticancer agents due to their ability to target cancerous cells and reduce the negative side effects of free cytostatic drugs. In this review, the authors discuss the results of clinical trials using liposomes and polymer-based nanoparticles as DDS to improve cancer treatment in dogs and cats, indicating which ones seem worth further evaluation. The authors then overview ongoing animal cancer clinical trials, evaluating nano-DDS registered on the American Veterinary Medical Association Animal Health Studies Database. Finally, the authors indicate the nano-drugs that require further in vivo evaluation based on the encouraging results obtained from in vitro studies. CONCLUSIONS: Liposomes have been the most investigated nano-DDS in veterinary medicine. The lack of cardiotoxicity of the commercially available liposomal doxorubicin (Doxil/Caelyx) suggests it should be used in dogs with cardiac disorders, rather than using free doxorubicin. Cisplatin-incorporated hyaluronic acid nanoparticles, nanocrystals of cisplatin, and paclitaxel are the most promising nano-drugs for potent applications in treating various canine cancers (e.g. oral melanoma, oral sarcoma, and anal gland adenocarcinoma) and their translation into the treatment of human diseases. PMID- 29215574 TI - Relationship between Antioxidant and Anticancer Activity of Trihydroxyflavones. AB - : Plant polyphenols have been highlighted not only as chemopreventive, but also as potential anticancer substances. Flavones are a subclass of natural flavonoids reported to have an antioxidant and anticancer activity. The aim of our study was to evaluate antioxidant and anticancer activity of seventeen trihydroxyflavone derivatives, including apigenin (API) and baicalein (BCL). Also, we wanted to find out if there is a correlation between those two effects. Cell growth inhibition testing was carried out using MTT assay in three different human cancer cell lines: lung (A549), breast (MCF-7) and brain epithelial (U87). Antioxidant activity was determined by the DPPH radical scavenging method. Thirteen trihydroxyflavones possessed anticancer activity against at least one tested cancer cell line. They were more active against the MCF-7 cell line, and the lowest activity was determined against the U87 cell line. The majority of compounds inhibited cancer cell growth at EC50 values between 10-50 uM. The most active compound was 3',4',5-trihydroxyflavone 7, especially against A549 and MCF 7 cell lines. The correlation between anti-proliferative and antioxidant activity was only moderate, and it was determined for A549 and U87 cancer cell lines. The most important fragment for those two effects is the ortho-dihydroxy group in ring B. CONCLUSIONS: Trihydroxyflavones demonstrated anticancer activity. Further and more detailed studies should to be carried out to estimate the structure activity relationship of these compounds. PMID- 29215575 TI - Dihydrocoumarin, an HDAC Inhibitor, Increases DNA Damage Sensitivity by Inhibiting Rad52. AB - Effective DNA repair enables cancer cells to survive DNA damage induced by chemotherapeutic or radiotherapeutic treatments. Therefore, inhibiting DNA repair pathways is a promising therapeutic strategy for increasing the efficacy of such treatments. In this study, we found that dihydrocoumarin (DHC), a flavoring agent, causes deficiencies in double-stand break (DSB) repair and prolonged DNA damage checkpoint recovery in yeast. Following DNA damage, Rad52 recombinase was revealed to be inhibited by DHC, which results in deficiencies in DSB repair and prolonged DNA damage checkpoint recovery. The deletion of RPD3, a class I histone deacetylase (HDAC), was found to mimic DHC-induced suppression of Rad52 expression, suggesting that the HDAC inhibitor activity of DHC is critical to DSB repair and DNA damage sensitivity. Overall, our findings delineate the regulatory mechanisms of DHC in DSB repair and suggest that it might potentially be used as an inhibitor of the DNA repair pathway in human cells. PMID- 29215577 TI - Acute Encephalitis in an Adult with Diffuse Large B-Cell Lymphoma with Secondary Involvement of the Central Nervous System: Infectious or Non-Infectious Etiology? AB - Both infectious and non-infectious etiologies of acute encephalitis have been described, as well as their specific presentations, diagnostic tests, and therapies. Classic findings of acute encephalitis include altered mental status, fever, and new lesions on neuroimaging or electroencephalogram (EEG). We report an interesting case of a 61-year-old male with a history of diffuse large B-cell lymphoma with secondary involvement of the central nervous system (SCNS-DLBCL). He presented with acute encephalitis: altered mental status, fever, leukocytosis, neuropsychiatric symptoms, multiple unchanged brain lesions on computed tomography scan of the head, and EEG showed mild to moderate diffuse slowing with low-moderate polymorphic delta and theta activity. With such a wide range of symptoms, the differential diagnosis included paraneoplastic and autoimmune encephalitis. Infectious and autoimmune/paraneoplastic encephalitis in patients with SCNS-DLBCL are not well documented in the literature, hence diagnosis and therapy becomes challenging. This case report describes the patient's unique presentation of acute encephalitis. PMID- 29215576 TI - Fasting Plasma Glucose, Self-Appraised Diet Quality and Depressive Symptoms: A US Representative Cross-Sectional Study. AB - Depression and type 2 diabetes (T2D) contribute significantly to global burden of disease and often co-occur. Underpinning type 2 diabetes is poor glycaemic control and glucose is also an obligatory substrate for brain metabolism, with potential implications for cognition, motivation and mood. This research aimed to examine the relationships between fasting plasma glucose and depressive symptoms in a large, population representative sample of US adults, controlling for other demographic and lifestyle behavioural risk factors. Using the 2013-2014 National Health and Nutrition Examination Survey (NHANES) data, this study first investigated the relationship between fasting plasma glucose and mental disorders at a population-level, accounting for demographic, health behavioural and weight related factors known to co-occur with both type 2 diabetes and mental disorders. Depressive symptoms were derived from the 9-item Patient Health Questionnaire. Fasting plasma glucose was obtained through medical examination and demographic (age, household income, sex) and health characteristics (perceived diet quality, daily time sedentary) were self-reported. Body mass index was calculated from objectively measured height and weight. In the univariate model, higher fasting plasma glucose was associated with greater depressive symptoms among females (b = 0.24, 95% CI = 0.05, 0.43, p < 0.05), but not males. In the final fully adjusted model, the relationship between fasting plasma glucose and depressive symptoms was non-significant for both males and females. Of all independent variables, self-appraised diet quality was strongly and significantly associated with depressive symptoms and this remained significant when individuals with diabetes were excluded. Although diet quality was self-reported based on individuals' perceptions, these findings are consistent with a role for poor diet in the relationship between fasting plasma glucose and depressive symptoms. PMID- 29215578 TI - Evaluation of Antibiotic Residues in Raw Meat Using Different Analytical Methods. AB - Antibiotic residue in meat is a serious public health concern due to its harmful effects on consumer health. This study aimed at estimating the residue levels of four commonly used antibiotics in meat samples using three analytical methods (ELISA, TLC and HPLC). A total of 150 samples of raw meat from sales points were analysed for ciprofloxacin, streptomycin, tetracycline, and sulphanilamide residues. Overall, ELISA analysis showed that 56, 34, 18, and 25.3% of the samples tested positive for ciprofloxacin, streptomycin, sulphanilamide and tetracycline residues respectively while TLC and HPLC detected 21.4, 29.4, 92.5, and 14.6%, and 8.3, 41.1, 88.8, and 14.6% of the samples as containing the residues, with ciprofloxacin and sulphanilamide having the lowest and highest occurrence, respectively. Furthermore, the concentrations of antibiotic residues were in the ranges of 19.8-92.8, 26.6-489.1, 14.2-1280.8, and 42.6-355.6 MUg/kg with ELISA, while HPLC detected concentration ranges of 20.7-82.1, 41.8-320.8, 65.2-952.2 and 32.8-95.6 MUg/kg for sulphanilamide, tetracycline, streptomycin, and ciprofloxacin, respectively. Mean ciprofloxacin and streptomycin residue levels were above the Codex/SA MRL recommended limit, while 3% of the samples contained multidrug residues. Although some of the mean residues levels were below the permissible limits, the co-occurrence of multidrug residues in some of the samples calls for concern. PMID- 29215580 TI - Adsorption of Pb(II) and Cu(II) by Ginkgo-Leaf-Derived Biochar Produced under Various Carbonization Temperatures and Times. AB - Ginkgo trees are common street trees in Korea, and the large amounts of leaves that fall onto the streets annually need to be cleaned and treated. Therefore, fallen gingko leaves have been used as a raw material to produce biochar for the removal of heavy metals from solutions. Gingko-leaf-derived biochar was produced under various carbonization temperatures and times. This study evaluated the physicochemical properties and adsorption characteristics of gingko-leaf-derived biochar samples produced under different carbonization conditions regarding Pb(II) and Cu(II). The biochar samples that were produced at 800 degrees C for 90 and 120 min contained the highest oxygen- and nitrogen-substituted carbons, which might contribute to a high metal-adsorption rate. The intensity of the phosphate bond was increased with the increasing of the carbonization temperature up to 800 degrees C and after 90 min of carbonization. The Pb(II) and Cu(II) adsorption capacities were the highest when the gingko-leaf-derived biochar was produced at 800 degrees C, and the removal rates were 99.2% and 34.2%, respectively. The highest removal rate was achieved when the intensity of the phosphate functional group in the biochar was the highest. Therefore, the gingko leaf-derived biochar produced at 800 degrees C for 90 min can be used as an effective bio-adsorbent in the removal of metals from solutions. PMID- 29215579 TI - The Potential of Indonesian Heterobranchs Found around Bunaken Island for the Production of Bioactive Compounds. AB - The species diversity of marine heterobranch sea slugs found on field trips around Bunaken Island (North Sulawesi, Indonesia) and adjacent islands of the Bunaken National Marine Park forms the basis of this review. In a survey performed in 2015, 80 species from 23 families were collected, including 17 new species. Only three of these have been investigated previously in studies from Indonesia. Combining species diversity with a former study from 2003 reveals in total 140 species from this locality. The diversity of bioactive compounds known and yet to be discovered from these organisms is summarized and related to the producer if known or suspected (might it be down the food chain, de novo synthesised from the slug or an associated bacterium). Additionally, the collection of microorganisms for the discovery of natural products of pharmacological interest from this hotspot of biodiversity that is presented here contains more than 50 species that have never been investigated before in regard to bioactive secondary metabolites. This highlights the great potential of the sea slugs and the associated microorganisms for the discovery of natural products of pharmacological interest from this hotspot of biodiversity. PMID- 29215581 TI - Stress-Induced Hyperglycemia in Diabetes: A Cross-Sectional Analysis to Explore the Definition Based on the Trauma Registry Data. AB - Background: The diagnosis of diabetic hyperglycemia (DH) does not preclude a diabetes patient from having a stress-induced hyperglycemic response. This study aimed to define the optimal level of elevated glucose concentration for determining the occurrence of stress-induced hyperglycemia (SIH) in patients with diabetes. Methods: This retrospective study reviewed the data of all hospitalized trauma patients, in a Level I trauma center, from 1 January 2009 to 31 December 2016. Only adult patients aged >=20 years, with available data on serum glucose and glycated hemoglobin A1c (HbA1c) levels upon admission, were included in the study. Long-term average glucose levels, as A1c-derived average glucose (ADAG), using the equation, ADAG = ((28.7 * HbA1c) - 46.7), were calculated. Patients with high glucose levels were divided into three SIH groups with diabetes mellitus (DM), based on the following definitions: (1) same glycemic gap from ADAG; (2) same percentage of elevated glucose of ADAG, from which percentage could also be reflected by the stress hyperglycemia ratio (SHR), calculated as the admission glucose level divided by ADAG; or (3) same percentage of elevated glucose as patients with a defined SIH level, in trauma patients with and without diabetes. Patients with incomplete registered data were excluded. The primary hypothesis of this study was that SIH in patients with diabetes would present worse mortality outcomes than in those without. Detailed data of SIH in patients with diabetes were retrieved from the Trauma Registry System. Results: Among the 546 patients with DH, 332 (32.0%), 188 (18.1%), and 106 (10.2%) were assigned as diabetes patients with SIH, based on defined glucose levels, set at 250 mg/dL, 300 mg/dL, and 350 mg/dL, respectively. In patients with defined cut-off glucose levels of 250 mg/dL and 300 mg/dL, SIH was associated with a 3.5-fold (95% confidence interval (CI) 1.61-7.46; p = 0.001) and 3-fold (95% CI 1.11-8.03; p = 0.030) higher odds of mortality, adjusted by sex, age, pre-existing comorbidities, and injury severity score, than the 491 patients with diabetic normoglycemia (DN). However, in patients with a defined cut-off glucose level of 350 mg/dL, adjusted mortality in SIH in DM was insignificantly different than that in DM. According to the receiver operating characteristic (ROC) curve analysis, a blood sugar of 233 mg/dL, a glycemic gap of 79 (i.e., blood sugar of 251 mg/dL), and a SHR of 1.45 (i.e., blood sugar of 250 mg/dL) were identified as cut-offs for mortality outcomes, with AUCs of 0.622, 0.653, and 0.658, respectively. Conclusions: In this study, a cut-off glucose level of 250 mg/dL was selected to provide a better definition of SIH in DM than glucose levels of 300 mg/dL or 350 mg/dL. PMID- 29215582 TI - Recent Enhancements to Interline and Electron Multiplying CCD Image Sensors. AB - This paper describes recent process modifications made to enhance the performance of interline and electron-multiplying charge-coupled-device (EMCCD) image sensors. By use of MeV ion implantation, quantum efficiency in the NIR region of the spectrum was increased by 2*, and image smear was reduced by 6 dB. By reducing the depth of the shallow photodiode (PD) implants, the photodiode-to vertical-charge-coupled-device (VCCD) transfer gate voltage required for no-lag operation was reduced by 3 V, and the electronic shutter voltage was reduced by 9 V. The thinner, surface pinning layer also resulted in a reduction of smear by 4 dB in the blue portion of the visible spectrum. For EMCCDs, gain aging was eliminated by providing an oxide-only dielectric under its multiplication phase, while retaining the oxide-nitride-oxide (ONO) gate dielectrics elsewhere in the device. PMID- 29215583 TI - Response to Comments on Zheng et al. "Association between Promoter Methylation of Gene ERCC3 and Benzene Hematotoxicity" Int. J. Environ. Res. Public Health 2017, 14, 1393. AB - We would like to thank Moshammer and Poteser for their comments [...]. PMID- 29215584 TI - A Positive Control for Detection of Functional CD4 T Cells in PBMC: The CPI Pool. AB - Testing of peripheral blood mononuclear cells (PBMC) for immune monitoring purposes requires verification of their functionality. This is of particular concern when the PBMC have been shipped or stored for prolonged periods of time. While the CEF (Cytomegalo-, Epstein-Barr and Flu-virus) peptide pool has become the gold standard for testing CD8 cell functionality, a positive control for CD4 cells is so far lacking. The latter ideally consists of proteins so as to control for the functionality of the antigen processing and presentation compartments, as well. Aiming to generate a positive control for CD4 cells, we first selected 12 protein antigens from infectious/environmental organisms that are ubiquitous: Varicella, Influenza, Parainfluenza, Mumps, Cytomegalovirus, Streptococcus, Mycoplasma, Lactobacillus, Neisseria, Candida, Rubella, and Measles. Of these antigens, three were found to elicited interferon (IFN)-gamma-producing CD4 cells in the majority of human test subjects: inactivated cytomegalo-, parainfluenza-, and influenza virions (CPI). While individually none of these three antigens triggered a recall response in all donors, the pool of the three (the 'CPI pool'), did. One hundred percent of 245 human donors tested were found to be CPI positive, including Caucasians, Asians, and African-Americans. Therefore, the CPI pool appears to be suitable to serve as universal positive control for verifying the functionality of CD4 and of antigen presenting cells. PMID- 29215585 TI - Xanthones and Quinolones Derivatives Produced by the Deep-Sea-Derived Fungus Penicillium sp. SCSIO Ind16F01. AB - Chemical investigation of the fungus Penicillium sp. SCSIO Ind16F01 derived from deep-sea sediment sample afforded a new xanthone, 3,8-dihydroxy-2-methyl-9 oxoxanthene-4-carboxylic acid methyl ester (1) and a new chromone, coniochaetone J (2), together with three known xanthones, 8-hydroxy-6-methyl-9-oxo-9H-xanthene 1-carboxylic acid methyl ester (3), 7,8-dihydroxy-6-methyl-9-oxo-9H-xanthene-1 carboxylic acid methyl ester (4), 1,6,8-trihydroxy-3-(hydroxymethyl)anthraquinone (5), three known chromones, coniochaetone B (6), citrinolactones B (7), epiremisporine B (8), and four reported rare class of N-methyl quinolone lactams: quinolactacins B (9), C1 (10), and C2 (11), and quinolonimide (12). The structures of new compounds were determined by analysis of the NMR and MS spectroscopic data. Those isolated compounds were evaluated for their antiviral (EV71 and H3N2) and cytotoxic activities. PMID- 29215586 TI - Investigation of Polyamine Metabolism and Homeostasis in Pancreatic Cancers. AB - Pancreatic cancers are currently the fourth leading cause of cancer-related death and new therapies are desperately needed. The most common pancreatic cancer is pancreatic ductal adenocarcinoma (PDAC). This report describes the development of therapies, which effectively deplete PDAC cells of their required polyamine growth factors. Of all human tissues, the pancreas has the highest level of the native polyamine spermidine. To sustain their high growth rates, PDACs have altered polyamine metabolism, which is reflected in their high intracellular polyamine levels and their upregulated import of exogenous polyamines. To understand how these cancers respond to interventions that target their specific polyamine pools, L3.6pl human pancreatic cancer cells were challenged with specific inhibitors of polyamine biosynthesis. We found that pancreatic cell lines have excess polyamine pools, which they rebalance to address deficiencies induced by inhibitors of specific steps in polyamine biosynthesis (e.g., ornithine decarboxylase (ODC), spermidine synthase (SRM), and spermine synthase (SMS)). We also discovered that combination therapies targeting ODC, SMS, and polyamine import were the most effective in reducing intracellular polyamine pools and reducing PDAC cell growth. A combination therapy containing difluoromethylornithine (DFMO, an ODC inhibitor) and a polyamine transport inhibitor (PTI) were shown to significantly deplete intracellular polyamine pools. The additional presence of an SMS inhibitor as low as 100 nM was sufficient to further potentiate the DFMO + PTI treatment. PMID- 29215587 TI - Cyclic Behavior of Low Rise Concrete Shear Walls Containing Recycled Coarse and Fine Aggregates. AB - In this study, the cyclic behaviors of low rise concrete shear walls using recycled coarse or fine aggregates were investigated. Eight low rise Recycled Aggregates Concrete (RAC) shear wall specimens were designed and tested under a cyclic loading. The following parameters were varied: replacement percentages of recycled coarse or fine aggregates, reinforcement ratio, axial force ratio and X shaped rebars brace. The failure characteristics, hysteretic behavior, strength and deformation capacity, strain characteristics and stiffness were studied. Test results showed that the using of the Recycled Coarse Aggregates (RCA) and its replacement ratio had almost no influence on the mechanical behavior of the shear wall; however, the using of Recycled Fine Aggregates (RFA) had a certain influence on the ductility of the shear wall. When the reinforcement ratio increased, the strength and ductility also increased. By increasing the axial force ratio, the strength increased but the ductility decreased significantly. The encased brace had a significant effect on enhancing the RAC shear walls. The experimental maximum strengths were evaluated with existing design codes, it was indicated that the strength evaluation of the low rise RAC shear walls can follow the existing design codes of the conventional concrete shear walls. PMID- 29215588 TI - Cutting Edge Methods for Non-Invasive Disease Diagnosis Using E-Tongue and E-Nose Devices. AB - Biomimetic cross-reactive sensor arrays (B-CRSAs) have been used to detect and diagnose a wide variety of diseases including metabolic disorders, mental health diseases, and cancer by analyzing both vapor and liquid patient samples. Technological advancements over the past decade have made these systems selective, sensitive, and affordable. To date, devices for non-invasive and accurate disease diagnosis have seen rapid improvement, suggesting a feasible alternative to current standards for medical diagnostics. This review provides an overview of the most recent B-CRSAs for diagnostics (also referred to electronic noses and tongues in the literature) and an outlook for future technological development. PMID- 29215589 TI - Impact of Omega-3 Fatty Acids on the Gut Microbiota. AB - Long-term dietary habits play a crucial role in creating a host-specific gut microbiota community in humans. Despite the many publications about the effects of carbohydrates (prebiotic fibers), the impact of dietary fats, such as omega-3 polyunsaturated fatty acids (PUFAs), on the gut microbiota is less well defined. The few studies completed in adults showed some common changes in the gut microbiota after omega-3 PUFA supplementation. In particular, a decrease in Faecalibacterium, often associated with an increase in the Bacteroidetes and butyrate-producing bacteria belonging to the Lachnospiraceae family, has been observed. Coincidentally, a dysbiosis of these taxa is found in patients with inflammatory bowel disease. Omega-3 PUFAs can exert a positive action by reverting the microbiota composition in these diseases, and increase the production of anti-inflammatory compounds, like short-chain fatty acids. In addition, accumulating evidence in animal model studies indicates that the interplay between gut microbiota, omega-3 fatty acids, and immunity helps to maintain the intestinal wall integrity and interacts with host immune cells. Finally, human and animal studies have highlighted the ability of omega-3 PUFAs to influence the gut-brain axis, acting through gut microbiota composition. From these findings, the importance of the omega-3 connection to the microbiota emerges, encouraging further studies. PMID- 29215591 TI - Self-Coexistence among IEEE 802.22 Networks: Distributed Allocation of Power and Channel. AB - Ensuring self-coexistence among IEEE 802.22 networks is a challenging problem owing to opportunistic access of incumbent-free radio resources by users in co located networks. In this study, we propose a fully-distributed non-cooperative approach to ensure self-coexistence in downlink channels of IEEE 802.22 networks. We formulate the self-coexistence problem as a mixed-integer non-linear optimization problem for maximizing the network data rate, which is an NP-hard one. This work explores a sub-optimal solution by dividing the optimization problem into downlink channel allocation and power assignment sub-problems. Considering fairness, quality of service and minimum interference for customer premises-equipment, we also develop a greedy algorithm for channel allocation and a non-cooperative game-theoretic framework for near-optimal power allocation. The base stations of networks are treated as players in a game, where they try to increase spectrum utilization by controlling power and reaching a Nash equilibrium point. We further develop a utility function for the game to increase the data rate by minimizing the transmission power and, subsequently, the interference from neighboring networks. A theoretical proof of the uniqueness and existence of the Nash equilibrium has been presented. Performance improvements in terms of data-rate with a degree of fairness compared to a cooperative branch-and bound-based algorithm and a non-cooperative greedy approach have been shown through simulation studies. PMID- 29215590 TI - Joint Effects of PON1 Polymorphisms and Vegetable Intake on Ischemic Stroke: A Family-Based Case Control Study. AB - Paraoxonase 1 gene (PON1) polymorphisms and dietary vegetable and fruit intake are both established determinants of ischemic stroke (IS). However, little is known about whether these factors jointly influence the risk of IS. We analyzed the main effects of PON1, as well as the interactions between PON1 and dietary vegetable or fruit intake with the risk of total IS and its subtypes in a family based case-control study conducted among 2158 Chinese participants (1007 IS cases and 1151 IS-free controls) from 918 families. Conditional logistic regression models, with each family as a stratum, were used to examine the association between rs662 and IS. Gene-diet interactions were tested by including a cross product term of dietary vegetable or fruit intake by rs662_G allele count in the models. Each copy of the PON1 rs662_G allele was associated with 28% higher risk of total IS (p = 0.008) and 32% higher risk of large artery atherosclerosis subtype (LAA) (p = 0.01). We observed an interaction between rs662 and vegetable intake for both total IS (p = 0.006) and LAA (p = 0.02) after adjustment for covariates. Individuals who carry the rs662_A allele may benefit to a greater extent from intake of vegetables and thus be more effectively protected from ischemic stroke, whereas carriers of the G allele may still remain at greater risk for ischemic stroke due to their genetic backgrounds even when they consume a high level of vegetables. More studies are needed to replicate our findings among other populations. PMID- 29215593 TI - Risk Factors Associated with Brucella Seropositivity in Sheep and Goats in Duhok Province, Iraq. AB - Sera from 432 small ruminants (335 sheep and 97 goats) from 72 farms in Duhok Province, northern Iraq, were collected to investigate risk factors associated with brucellosis seropositivity. Serum samples were tested using the Rose Bengal test (RBT) and an indirect enzyme-linked immunosorbent assay (iELISA). Using parallel interpretation, RBT and iELISA results showed that 31.7% (95% confidence interval (CI): 26.1, 36.3) of sheep and 34.0% (95% CI: 24.7, 44.3) of goats had antibodies against Brucella in the study area. A random-effects multivariable logistic regression model indicated that a higher chance of being seropositive (odds ratio (OR) = 1.7; 95% 1.4; 2.2) was associated with an increase in the age of animals. The odds of Brucella seropositivity in flocks where sheep and goats grazed together was 2.0 times higher (95% CI: 1.08; 3.9) compared to flocks where sheep and goats grazed separately. The odds of Brucella seropositivity in small ruminants was 2.2 higher (95% CI: 1.2; 4.3) for animals originating from farms with a history of goat abortion in the preceding 12 months. In contrast, for every 1000 Iraqi Dinars (~0.85 US Dollar) spent by the farmers on control of Brucella in their flocks, the odds of Brucella seropositivity decreased significantly (OR = 0.9, p-value = 0.021). The final model also indicated significant differences in Brucella seropositivity between the different districts of Duhok Province. This study provides a contribution to the epidemiology of brucellosis in small ruminants in northern Iraq. PMID- 29215592 TI - Natural Korean Medicine Dang-Gui: Biosynthesis, Effective Extraction and Formulations of Major Active Pyranocoumarins, Their Molecular Action Mechanism in Cancer, and Other Biological Activities. AB - Angelica gigas Nakai (AGN) is a crucial oriental medicinal herb that grows especially in Korea and the Far-East countries. It contains chemically active compounds like pyranocoumarins, polyacetylenes and essential oils, which might be useful for treatment of several chronic diseases. It has been used for centuries as a traditional medicine in Southeast Asia, but in Western countries is used as a functional food and a major ingredient of several herbal products. The genus Angelica is also known as 'female ginseng' due to its critical therapeutic role in female afflictions, such as gynecological problems. However, it is well documented that the AGN pyranocoumarins may play vital beneficial roles against cancer, neurodisorders, inflammation, osteoporosis, amnesia, allergies, depression, fungi, diabetes, ischemia, dermatitis, reactive oxygen species (ROS) and androgen. Though numerous studies revealed the role of AGN pyranocoumarins as therapeutic agents, none of the reviews have published their molecular mechanism of action. To the best of our knowledge, this would be the first review that aims to appraise the biosynthesis of AGN's major active pyranocoumarins, discuss effective extraction and formulation methods, and detail the molecular action mechanism of decursin (D), decursinol angelate (DA) and decursinol (DOH) in chronic diseases, which would further help extension of research in this area. PMID- 29215594 TI - Facile Determination of Sodium Ion and Osmolarity in Artificial Tears by Sequential DNAzymes. AB - Despite high relevance of tear osmolarity and eye abnormality, numerous methods for detecting tear osmolarity rely upon expensive osmometers. We report a reliable method for simply determining sodium ion-based osmolarity in artificial tears using sequential DNAzymes. When sodium ion-specific DNAzyme and peroxidase like DNAzyme were used as a sensing and detecting probe, respectively, the concentration of Na+ in artificial tears could be measured by absorbance or fluorescence intensity, which was highly correlated with osmolarity over the diagnostic range (R2 > 0.98). Our approach is useful for studying eye diseases in relation to osmolarity. PMID- 29215595 TI - The Role of Vitamin D in Non-Scarring Alopecia. AB - Non-scarring hair loss is a common problem that affects both male and female patients. Since any disturbances in the hair follicle cycle may lead to hair shedding, or alopecia, it is not surprising that the possible role of vitamin D in alopecia was investigated in many studies. Vitamin D has been shown to have many important functions. A growing body of evidence shows that vitamin D and its receptor are responsible for maintaining not only calcium homeostasis but also skin homeostasis. Moreover, vitamin D could also regulate cutaneous innate and adaptive immunity. This paper presents a review of current literature considering the role of vitamin D in alopecia areata, telogen effluvium, and female pattern hair loss. The majority of studies revealed decreased serum 25-hydroxyvitamin D levels in patients with different types of non-scarring alopecia, which could suggest its potential role in the pathogenesis of hair loss. According to the authors, vitamin D supplementation could be a therapeutic option for patients with alopecia areata, female pattern hair loss, or telogen effluvium. However, further studies on a larger group of patients are required. PMID- 29215596 TI - RSV Infection in Human Macrophages Promotes CXCL10/IP-10 Expression during Bacterial Co-Infection. AB - Respiratory syncytial virus (RSV), a major etiologic agent of acute lower respiratory infection constitutes the most important cause of death in young children worldwide. Viral/bacterial mixed infections are related to severity of respiratory inflammatory diseases, but the underlying mechanisms remain poorly understood. We have previously investigated the intracellular mechanisms that mediate the immune response in the context of influenza virus/Streptococcus pneumoniae (Sp) co-infection using a model of human monocyte-derived macrophages (MDMs). Here, we set up and characterized a similar model of MDMs to investigate different scenarios of RSV infection and co-infection with Sp. Our results suggest that Sp contributes to a faster and possibly higher level of CXCL10/IP-10 expression induced by RSV infection in human MDMs. PMID- 29215597 TI - Application of Pharmacokinetics Modelling to Predict Human Exposure of a Cationic Liposomal Subunit Antigen Vaccine System. AB - The pharmacokinetics of a liposomal subunit antigen vaccine system composed of the cationic lipid dimethyldioctadecylammonium bromide (DDA) and the immunostimulatory agent trehalose 6,6-dibehenate (TDB) (8:1 molar ratio) combined with the Ag85B-ESAT-6 (H1) antigen were modelled using mouse in-vivo data. Compartment modelling and physiologically based pharmacokinetics (PBPK) were used to predict the administration site (muscle) and target site (lymph) temporal concentration profiles and factors governing these. Initial estimates using compartmental modelling established that quadriceps pharmacokinetics for the liposome demonstrated a long half-life (22.6 days) compared to the associated antigen (2.62 days). A mouse minimal-PBPK model was developed and successfully predicted quadriceps liposome and antigen pharmacokinetics. Predictions for the popliteal lymph node (PLN) aligned well at earlier time-points. A local sensitivity analysis highlighted that the predicted AUCmuscle was sensitive to the antigen degradation constant kdeg (resulting in a 3-log change) more so than the fraction escaping the quadriceps (fe) (resulting in a 10-fold change), and the predicted AUCPLN was highly sensitive to fe. A global sensitivity analysis of the antigen in the muscle demonstrated that model predictions were within the 50th percentile for predictions and showed acceptable fits. To further translate in-vitro data previously generated by our group, the mouse minimal-PBPK model was extrapolated to humans and predictions made for antigen pharmacokinetics in muscle and PLN. Global analysis demonstrated that both kdeg and fe had a minimal impact on the resulting simulations in the muscle but a greater impact in the PLN. In summary, this study has predicted the in-vivo fate of DDA:TDB:H1 in humans and demonstrated the roles that formulation degradation and fraction escaping the depot site can play upon the overall depot effect within the site of administration. PMID- 29215598 TI - Li-Decorated beta12-Borophene as Potential Candidates for Hydrogen Storage: A First-Principle Study. AB - The hydrogen storage properties of pristine beta12-borophene and Li-decorated beta12-borophene are systemically investigated by means of first-principles calculations based on density functional theory. The adsorption sites, adsorption energies, electronic structures, and hydrogen storage performance of pristine beta12-borophene/H2 and Li-beta12-borophene/H2 systems are discussed in detail. The results show that H2 is dissociated into Two H atoms that are then chemisorbed on beta12-borophene via strong covalent bonds. Then, we use Li atom to improve the hydrogen storage performance and modify the hydrogen storage capacity of beta12-borophene. Our numerical calculation shows that Li-beta12 borophene system can adsorb up to 7 H2 molecules; while 2Li-beta12-borophene system can adsorb up to 14 H2 molecules and the hydrogen storage capacity up to 10.85 wt %. PMID- 29215599 TI - Systematic Analysis of Transcriptomic Profile of Renal Cell Carcinoma under Long Term Hypoxia Using Next-Generation Sequencing and Bioinformatics. AB - Patients with clear cell renal cell carcinoma (ccRCC) are often diagnosed with both von Hippel-Lindau (VHL) mutations and the constitutive activation of hypoxia inducible factor-dependent signaling. In this study, we investigated the effects of long-term hypoxia in 786-O, a VHL-defective renal cell carcinoma cell line, to identify potential genes and microRNAs associated with tumor malignancy. The transcriptomic profiles of 786-O under normoxia, short-term hypoxia and long-term hypoxia were analyzed using next-generation sequencing. The results showed that long-term hypoxia promoted the ability of colony formation and transwell migration compared to normoxia. In addition, the differentially expressed genes induced by long-term hypoxia were involved in various biological processes including cell proliferation, the tumor necrosis factor signaling pathway, basal cell carcinoma and cancer pathways. The upregulated (L1CAM and FBN1) and downregulated (AUTS2, MAPT, AGT and USH1C) genes in 786-O under long-term hypoxia were also observed in clinical ccRCC samples along with malignant grade. The expressions of these genes were significantly correlated with survival outcomes in patients with renal cancer. We also found that long-term hypoxia in 786-O resulted in decreased expressions of hsa-mir-100 and hsa-mir-378 and this effect was also observed in samples of metastatic ccRCC compared to samples of non metastatic ccRCC. These findings may provide a new direction for the study of potential molecular mechanisms associated with the progression of ccRCC. PMID- 29215601 TI - Analysis of the Comprehensive Tensile Relationship in Electrospun Silk Fibroin/Polycaprolactone Nanofiber Membranes. AB - The mechanical properties of electrospun nanofiber membranes are critical for their applications. A clear understanding of the mechanical properties that result from the characteristics of the individual fiber and membrane microstructure is vital in the design of fiber composites. In this reported study, silk fibroin (SF)/polycaprolactone (PCL) composite nanofiber membranes were preparedusing an electrostatic spinning technology. The nanofiber orientation distribution (FOD) of the membrane was analyzed using multi-layer image fusion technology, and the results indicated the presence of an approximately uniform distribution of fibers in the electrospun membranes. The relationship between the single nanofiber and the membrane was established by analyzing the geometrical structure of the cell by employing a representative volume element (RVE) analysis method. The mechanical properties of the 272 nm diameter SF/PCL composite fibers were then predicted using the developed model. PMID- 29215600 TI - Three-Dimensional Shape Measurements of Specular Objects Using Phase-Measuring Deflectometry. AB - The fast development in the fields of integrated circuits, photovoltaics, the automobile industry, advanced manufacturing, and astronomy have led to the importance and necessity of quickly and accurately obtaining three-dimensional (3D) shape data of specular surfaces for quality control and function evaluation. Owing to the advantages of a large dynamic range, non-contact operation, full field and fast acquisition, high accuracy, and automatic data processing, phase measuring deflectometry (PMD, also called fringe reflection profilometry) has been widely studied and applied in many fields. Phase information coded in the reflected fringe patterns relates to the local slope and height of the measured specular objects. The 3D shape is obtained by integrating the local gradient data or directly calculating the depth data from the phase information. We present a review of the relevant techniques regarding classical PMD. The improved PMD technique is then used to measure specular objects having discontinuous and/or isolated surfaces. Some influential factors on the measured results are presented. The challenges and future research directions are discussed to further advance PMD techniques. Finally, the application fields of PMD are briefly introduced. PMID- 29215602 TI - Proteomic Contributions to Medicinal Plant Research: From Plant Metabolism to Pharmacological Action. AB - Herbal medicine is a clinical practice of utilizing medicinal plant derivatives for therapeutic purposes. It has an enduring history worldwide and plays a significant role in the fight against various diseases. Herbal drug combinations often exhibit synergistic therapeutic action compared with single-constituent dosage, and can also enhance the cytotoxicity induced by chemotherapeutic drugs. To explore the mechanism underlying the pharmacological action of herbs, proteomic approaches have been applied to the physiology of medicinal plants and its effects on animals. This review article focuses on the existing proteomics based medicinal plant research and discusses the following topics: (i) plant metabolic pathways that synthesize an array of bioactive compounds; (ii) pharmacological action of plants tested using in vivo and in vitro studies; and (iii) the application of proteomic approaches to indigenous plants with scarce sequence information. The accumulation of proteomic information in a biological or medicinal context may help in formulating the effective use of medicinal plants. PMID- 29215603 TI - Differential Location and Distribution of Hepatic Immune Cells. AB - The liver is one of the main organs in the body, performing several metabolic and immunological functions that are indispensable to the organism. The liver is strategically positioned in the abdominal cavity between the intestine and the systemic circulation. Due to its location, the liver is continually exposed to nutritional insults, microbiota products from the intestinal tract, and to toxic substances. Hepatocytes are the major functional constituents of the hepatic lobes, and perform most of the liver's secretory and synthesizing functions, although another important cell population sustains the vitality of the organ: the hepatic immune cells. Liver immune cells play a fundamental role in host immune responses and exquisite mechanisms are necessary to govern the density and the location of the different hepatic leukocytes. Here we discuss the location of these pivotal cells within the different liver compartments, and how their frequency and tissular location can dictate the fate of liver immune responses. PMID- 29215604 TI - Dietary Factors and Female Breast Cancer Risk: A Prospective Cohort Study. AB - Breast cancer is the leading cause of cancer in females and has become a major global health priority. This prospective cohort study investigated the association of dietary factors, including food items and dietary habits, with the risk of breast cancer in Korean women. Study participants were women aged 30 years or older, recruited from the National Cancer Center in South Korea between August 2002 and May 2007. They were followed until December 2014 using the Korea Central Cancer Registry to identify breast cancer cases. Among 5046 non-pre diagnosed cancer participants, 72 breast cancer cases were prospectively identified. Participants with breast cancer had a significantly higher educational level (college or higher: 58.3% vs. 39.5%, p = 0.01), were more likely to have ever smoked (22.2% vs. 7.8%, p < 0.001), and were more likely to have a history of benign breast tumors (10% vs. 4%, p = 0.02) than non-cases. Consumption of grilled meat conferred a significantly higher risk of breast cancer in all women (hazard ratio (HR) 1.77, 95% confidence interval (CI) 1.09 2.85) and in postmenopausal women (HR 3.06, 95% CI 1.31-7.15). High-cholesterol food intake was associated with a higher risk in all women (HR 1.69, 95% CI 1.01 2.82). Irregular meal intake was associated with an elevated risk in all women (HR 2.19, 95% CI 1.20-3.98, p for trend = 0.01) and in premenopausal women (HR 2.35, 95% CI 1.13-4.91, p for trend = 0.03). Our findings suggest that grilled meat and high-cholesterol food intake and irregular eating habits may be associated with a higher risk of breast cancer. Further studies with longer follow-up periods that include information on portion size, hormone receptor status, carcinogen levels in grilled meat, and a classification of foods by source are required. PMID- 29215605 TI - Cone Snails: A Big Store of Conotoxins for Novel Drug Discovery. AB - Marine drugs have developed rapidly in recent decades. Cone snails, a group of more than 700 species, have always been one of the focuses for new drug discovery. These venomous snails capture prey using a diverse array of unique bioactive neurotoxins, usually named as conotoxins or conopeptides. These conotoxins have proven to be valuable pharmacological probes and potential drugs due to their high specificity and affinity to ion channels, receptors, and transporters in the nervous systems of target prey and humans. Several research groups, including ours, have examined the venom gland of cone snails using a combination of transcriptomic and proteomic sequencing, and revealed the existence of hundreds of conotoxin transcripts and thousands of conopeptides in each Conus species. Over 2000 nucleotide and 8000 peptide sequences of conotoxins have been published, and the number is still increasing quickly. However, more than 98% of these sequences still lack 3D structural and functional information. With the rapid development of genomics and bioinformatics in recent years, functional predictions and investigations on conotoxins are making great progress in promoting the discovery of novel drugs. For example, omega-MVIIA was approved by the U.S. Food and Drug Administration in 2004 to treat chronic pain, and nine more conotoxins are at various stages of preclinical or clinical evaluation. In short, the genus Conus, the big family of cone snails, has become an important genetic resource for conotoxin identification and drug development. PMID- 29215606 TI - Cognitive and Mood Effects of a Nutrient Enriched Breakfast Bar in Healthy Adults: A Randomised, Double-Blind, Placebo-Controlled, Parallel Groups Study. AB - OBJECTIVES: Few previous studies have assessed the effects of concomitant administration of multiple potentially psychoactive nutrients. METHODS: 95 healthy adult participants consumed either a nutrient enriched breakfast bar (containing alpha-Linolenic acid, l-tyrosine, l-theanine, vitamins, minerals and 21.5 mg of caffeine) or an isocaloric, macronutrient matched control bar for 56 days. Cognitive function and mood were assessed pre-dose and at 40- and 160-min post-dose on the 1st and 56th day of the intervention period. RESULTS: The results demonstrated acute effects of treatment across post-dose assessments on both assessment days in terms of alertness, and on tasks assessing attention, working and episodic memory and executive function, including cognitively demanding Serial subtraction and Rapid Visual Information Processing tasks. There were no evident chronic effects independent of the breakfast bars' acute effects. DISCUSSION: These results demonstrate that a nutrient enriched breakfast bar with low caffeine content can exert striking beneficial effects on acute cognitive function and alertness. PMID- 29215609 TI - Questioning the Utility of Breath Testing in Clinical Practice. PMID- 29215607 TI - Proteomic and functional analysis identifies galectin-1 as a novel regulatory component of the cytotoxic granule machinery. AB - Secretory granules released by cytotoxic T lymphocytes (CTLs) are powerful weapons against intracellular microbes and tumor cells. Despite significant progress, there is still limited information on the molecular mechanisms implicated in target-driven degranulation, effector cell survival and composition and structure of the lytic granules. Here, using a proteomic approach we identified a panel of putative cytotoxic granule proteins, including some already known granule constituents and novel proteins that contribute to regulate the CTL lytic machinery. Particularly, we identified galectin-1 (Gal1), an endogenous immune regulatory lectin, as an integral component of the secretory granule machinery and unveil the unexpected function of this lectin in regulating CTL killing activity. Mechanistic studies revealed the ability of Gal1 to control the non-secretory lytic pathway by influencing Fas-Fas ligand interactions. This study offers new insights on the composition of the cytotoxic granule machinery, highlighting the dynamic cross talk between secretory and non-secretory pathways in controlling CTL lytic function. PMID- 29215610 TI - Breath Testing Consensus Guidelines for SIBO: RES IPSA LOCQUITOR. PMID- 29215608 TI - H19 lncRNA alters methylation and expression of Hnf4alpha in the liver of metformin-exposed fetuses. AB - Metformin is the most widely used anti-diabetic medication worldwide. However, human and animal studies suggest that prenatal metformin exposure may increase the risk of metabolic disorders in adult offspring, yet the underpinning mechanism remains unclear. Here we report that metformin-exposed mouse fetuses exhibit elevated expression of the H19 long noncoding RNA, which induces hypomethylation and increased expression of hepatocyte nuclear factor 4alpha (HNF4alpha). As a transcription factor essential for morphological and functional differentiation of hepatocytes, HNF4alpha also has an indispensable role in the regulation of expression of gluconeogenic genes. Consistently, H19 overexpression in a human liver cell line leads to decreased methylation and increased expression of Hnf4alpha, with concomitant activation of the gluconeogenic program. Mechanistically, we show that the methylation change of Hnf4alpha is induced by H19-mediated regulation of S-adenosylhomocysteine hydrolase. We also provide evidence that altered H19 expression is a direct effect of metformin in the fetal liver. Our results suggest that metformin from the mother can directly act upon the fetal liver to modify Hnf4alpha expression, a key factor for both liver development and function, and that perturbation of this H19/Hnf4alpha mediated pathway may contribute to the fetal origin of adult metabolic abnormalities. PMID- 29215611 TI - Parietal Cell Protrusions and Dilated Oxyntic Glands from Use of Vonoprazan. PMID- 29215612 TI - Endoscopic Gastrojejunostomy: A Novel NOTES Technique. PMID- 29215613 TI - Continuing Medical Education: December 2017. PMID- 29215615 TI - Conflicts of Interest in the North American Consensus on Breath Testing. PMID- 29215616 TI - Response to Tuck et al. PMID- 29215617 TI - Preserved Liver Transplant After PD-1 Pathway Inhibitor for Hepatocellular Carcinoma. PMID- 29215618 TI - Is Double-Dose Esomeprazole With Bismuth Really Safe? PMID- 29215619 TI - Endoscopic Placement of a U-Shaped Plastic Stent in Patients With Recurrent Acute Pancreatitis and Incomplete Pancreas Divisum. PMID- 29215620 TI - Familial High-Serum Gamma-Glutamyltransferase Activity. PMID- 29215621 TI - Continuing Medical Education: December 2017. PMID- 29215622 TI - Novel PRSS1 Mutation p.P17T Validates Pathogenic Relevance of CTRC-Mediated Processing of the Trypsinogen Activation Peptide in Chronic Pancreatitis. PMID- 29215623 TI - Response to Paterson et al. PMID- 29215624 TI - Obstructive Jaundice Caused by Heterotopic Pancreas. PMID- 29215625 TI - Response to Reinink. PMID- 29215626 TI - Continuing Medical Education Questions: December 2017: Isolated anti-HBc: The Relevance of Hepatitis B Core Antibody-A Review of New Issues. PMID- 29215627 TI - A Pharmacokinetic Rationale for Proactive Therapeutic Drug Monitoring of Anti-TNF Drugs. PMID- 29215628 TI - Response to Maltz. PMID- 29215629 TI - Proton Pump Inhibitors and Dementia: Deciphering the Data. AB - Proton pump inhibitors (PPIs) are effective and suppressing acid, and therefore have efficacy against gastric acid-related disorders. The long-term safety of PPIs is less clear and there have been a number of studies raising concerns regarding risk of pneumonia, fracture, Clostridium difficile, chronic renal failure, and dementia. This latter concern is addressed by a study in this issue of AJG using health care registry data and found there was no association between PPI use and Alzheimer's dementia. Furthermore, there was no increased risk of dementia with long-term use of PPIs or higher doses of PPIs. Discrepancies between studies probably relate to multiple testing and residual confounding and currently there is insufficient evidence to suggest that the association between PPIs and dementia is causal. PMID- 29215630 TI - Continuing Medical Education Questions: December 2017: Risk of Clostridium difficile Infection in Patients With Celiac Disease: A Population-Based Study. PMID- 29215631 TI - Which Patients with Mild Acute Pancreatitis Require Prolonged Hospitalization? AB - OBJECTIVES: In our experience, a subset of mild acute pancreatitis (AP) patients, as defined by the Revised Atlanta Classification, has longer than expected hospitalization. Our aims are to report the prevalence of patients with mild AP who have a prolonged length of stay (LOS), evaluate the etiology, thoroughly phenotype, and finally compare this subset to those with expected LOS. METHODS: Patients admitted with AP from 2003 to 2015 were prospectively enrolled into this cohort study. LOS >=8 days was considered as prolonged LOS. Data on demographics, clinical and laboratory variables, management, and outcomes was both prospectively and retrospectively collected. Continuous variables were compared using the nonparametric t-test (Wilcoxon's test) and categorical variables using the Pearson's chi2 test. RESULTS: Among 231 enrolled mild AP patients, 46 (20%) had a prolonged LOS (>=8 days). The main determinants of prolonged LOS included ongoing pancreatitis-related symptoms (n=31, 67.4%) and performance of cholecystectomy (n=11, 23.9%). When compared to patients with expected LOS (<8 days, n=185), patients with prolonged LOS due to ongoing symptoms (n=31) were more likely to have systemic inflammatory response syndrome at 48 h from admission (37% vs. 13.4%, P<0.001), a prolonged fasting period (6.6 vs. 2.8 days, P<0.001), and need for nutritional support (30% vs. 1.6%, P<0.001). CONCLUSIONS: About 20% of patients with mild AP have a longer than expected hospital stay, mostly attributed to ongoing pancreatitis-related symptoms. An early decision (at 72 h) for enteral nutrition support in these patients needs to be explored so as to shorten hospitalization and reduce cost of care. PMID- 29215632 TI - Assembly of phospholipid nanodiscs of controlled size for structural studies of membrane proteins by NMR. AB - Suitable membrane mimetics are crucial to the performance of structural and functional studies of membrane proteins. Phospholipid nanodiscs (formed when a membrane scaffold protein encircles a small portion of a lipid bilayer) have native-like membrane properties. These have been used for a variety of functional studies, but structural studies by high-resolution solution-state NMR spectroscopy of membrane proteins in commonly used nanodiscs of 10-nm diameter were limited by the high molecular weight of these particles, which caused unfavorably large NMR line widths. We have recently constructed truncated versions of the membrane scaffold protein, allowing the preparation of a range of stepwise-smaller nanodiscs (6- to 8-nm diameter) to overcome this limitation. Here, we present a protocol on the assembly of phospholipid nanodiscs of various sizes for structural studies of membrane proteins with solution-state NMR spectroscopy. We describe specific isotope-labeling schemes required for working with large membrane protein systems in nanodiscs, and provide guidelines on the setup of NMR non-uniform sampling (NUS) data acquisition and high-resolution NMR spectra reconstruction. We discuss critical points and pitfalls relating to optimization of nanodiscs for NMR spectroscopy and outline a strategy for the high-resolution structure determination and positioning of isotope-labeled membrane proteins in nanodiscs using nuclear Overhauser enhancement spectroscopy (NOESY) spectroscopy, residual dipolar couplings (RDCs) and paramagnetic relaxation enhancements (PREs). Depending on the target protein of interest, nanodisc assembly and purification can be achieved within 12-24 h. Although the focus of this protocol is on protein NMR, these nanodiscs can also be used for (cryo-) electron microscopy (EM) and small-angle X-ray and neutron-scattering studies. PMID- 29215633 TI - Measuring mutation accumulation in single human adult stem cells by whole-genome sequencing of organoid cultures. AB - Characterization of mutational processes in adult stem cells (ASCs) will improve our understanding of aging-related diseases, such as cancer and organ failure, and may ultimately help prevent the development of these diseases. Here, we present a method for cataloging mutations in individual human ASCs without the necessity of using error-prone whole-genome amplification. Single ASCs are expanded in vitro into clonal organoid cultures to generate sufficient DNA for accurate whole-genome sequencing (WGS) analysis. We developed a data-analysis pipeline that identifies with high confidence somatic variants that accumulated in vivo in the original ASC. These genome-wide mutation catalogs are valuable resources for the characterization of the underlying mutational mechanisms. In addition, this protocol can be used to determine the effects of culture conditions or mutagen exposure on mutation accumulation in ASCs in vitro. Here, we describe a protocol for human liver ASCs that can be completed over a period of 3-4 months with hands-on time of ~5 d. PMID- 29215636 TI - Poly(A) tails: longer is not always better. PMID- 29215634 TI - Expansion of patient-derived circulating tumor cells from liquid biopsies using a CTC microfluidic culture device. AB - The development of personalized cancer therapy depends on a robust system to monitor the patient's individual response to anticancer treatment. Anticancer drug efficacy has been tested on circulating tumor cells (CTCs) derived from patient blood samples after ex vivo expansion into CTC clusters. Current attempts to culture these primary cancer cells focus on long-term maintenance under growth factor supplements into cell lines, which usually takes >6 months and results in a CTC expansion efficiency of <20%. We recently developed a simple but unique microfluidics-based culture approach that requires minimal preprocessing (~30 min) and does not require prior enrichment of CTCs or depend on the use of growth factor supplements. The approach capitalizes on co-culture of immune cells from the same patient blood sample within specially designed microwells that promote CTC cluster formation within 2 weeks, with an overall cluster formation success rate of ~50%. Drug screening is facilitated by the incorporation of a gradient generator for parallel exposure to two or more drugs at various concentrations. Owing to the cost-effectiveness and less-invasive nature of this procedure, routine monitoring of disease progression can be achieved. The described microfluidics system can be operated with a single syringe pump to introduce drug compounds (which takes ~6 min), followed by incubation of the CTC clusters for 48 h before analysis. In addition to its applications in biomedical research, the rapid readout of our platform will enable clinicians to assess or predict a patient's response to various therapeutic strategies, so as to enable personalized or precision therapy. PMID- 29215637 TI - One flexible loop in OST lassos both substrates. PMID- 29215638 TI - Poltheta helicase: drive or reverse. PMID- 29215635 TI - Mapping the small RNA interactome in bacteria using RIL-seq. AB - Small RNAs (sRNAs) are major post-transcriptional regulators of gene expression in bacteria. To enable transcriptome-wide mapping of bacterial sRNA-target pairs, we developed RIL-seq (RNA interaction by ligation and sequencing). RIL-seq is an experimental-computational methodology for capturing sRNA-target interactions in vivo that takes advantage of the mutual binding of the sRNA and target RNA molecules to the RNA chaperone protein Hfq. The experimental part of the protocol involves co-immunoprecipitation of Hfq and bound RNAs, ligation of RNAs, library preparation and sequencing. The computational pipeline maps the sequenced fragments to the genome, reveals chimeric fragments (fragments comprising two ligated independent fragments) and determines statistically significant overrepresented chimeric fragments as interacting RNAs. The statistical filter is aimed at reducing the number of spurious interactions resulting from ligation of random neighboring RNA fragments, thus increasing the reliability of the determined sRNA-target pairs. A major advantage of RIL-seq is that it does not require overexpression of sRNAs; instead, it simultaneously captures the in vivo targets of all sRNAs in the native state of the cell. Application of RIL-seq to bacteria grown under different conditions provides distinctive snapshots of the sRNA interactome and sheds light on the dynamics and rewiring of the post transcriptional regulatory network. As RIL-seq needs no prior information about the sRNA and target sequences, it can identify novel sRNAs, along with their targets. It can be adapted to detect protein-mediated RNA-RNA interactions in any bacterium with a sequenced genome. The experimental part of the RIL-seq protocol takes 7-9 d and the computational analysis takes ~2 d. PMID- 29215639 TI - The ribosome moves: RNA mechanics and translocation. AB - During protein synthesis, mRNA and tRNAs must be moved rapidly through the ribosome while maintaining the translational reading frame. This process is coupled to large- and small-scale conformational rearrangements in the ribosome, mainly in its rRNA. The free energy from peptide-bond formation and GTP hydrolysis is probably used to impose directionality on those movements. We propose that the free energy is coupled to two pawls, namely tRNA and EF-G, which enable two ratchet mechanisms to act separately and sequentially on the two ribosomal subunits. PMID- 29215640 TI - Catching DNA with hoops-biophysical approaches to clarify the mechanism of SMC proteins. AB - Structural maintenance of chromosome (SMC) complexes are central regulators of chromosome architecture that are essential in all domains of life. For decades, the structural biology field has been debating how these conserved protein complexes use their intricate ring-like structures to structurally organize DNA. Here, we review the contributions of single-molecule biophysical approaches to resolving the molecular mechanism of SMC protein function. PMID- 29215643 TI - Management of ophthalmologic manifestations of mitochondrial diseases. PMID- 29215645 TI - Cherchez la femme: maternal incidental findings can explain discordant prenatal cell-free DNA sequencing results. AB - Circulating DNA fragments in a pregnant woman's plasma derive from three sources: placenta, maternal bone marrow, and fetus. Prenatal sequencing to noninvasively screen for fetal chromosome abnormalities is performed on this mixed sample; results can therefore reflect the maternal as well as the fetoplacental DNA. Although it is recommended that pretest counseling include the possibility of detecting maternal genomic imbalance, this seldom occurs. Maternal abnormalities that can affect a prenatal screening test result include disorders that affect the size and metabolism of DNA, such as B12 deficiency, autoimmune disease, and intrahepatic cholestasis of pregnancy. Similarly, maternal tumors, both benign and malignant, can release DNA fragments that contain duplications or deletions. Bioinformatics algorithms can subsequently interpret the raw sequencing data incorrectly, resulting in false-positive test reports of fetal monosomies or test failures. Maternal sex-chromosome abnormalities, both constitutional and somatic, can generate results that are discordant with fetal ultrasound examination or karyotype. Maternal copy-number variants and mosaicism for autosomal aneuploidies can also skew interpretation. A maternal etiology should therefore be considered in the differential diagnosis of prenatal cell-free DNA test failures, false positive and false-negative sequencing results. Further study is needed regarding the clinical utility of reporting maternal incidental findings. PMID- 29215644 TI - Response to Newman et al. PMID- 29215646 TI - Follow-up status during the first 5 years of life for metabolic disorders on the federal Recommended Uniform Screening Panel. AB - PURPOSE: To investigate the 5-year follow-up status for newborns diagnosed with metabolic disorders designated as "primary disorders" on the federal Recommended Uniform Screening Panel (RUSP). METHODS: Follow-up status and demographic characteristics are described for 426 newborns diagnosed with one of 20 primary metabolic disorders on the RUSP between 2005 and 2009. Newborn screening program data were linked to birth certificate data. Follow-up status is described for each year through age 5 and by disorder type. Maternal characteristics of those who stayed in active care were compared with those who did not. RESULTS: Of 426 diagnosed newborns, by the end of 5 years of follow-up 55.2% stayed in active care, 20.4% became lost to follow-up, 8.7% moved out of state, 6.3% were determined to require no further follow-up, 4.7% refused follow-up, and 4.7% died. Among the initial group of disorders with more than 10 diagnosed cases, phenylketonuria (90%) had the highest percentage of patients still in active care after 5 years. Patients in active care had similar characteristics to patients not in active care when maternal age, race/ethnicity, completed education years, and expected source of payment for delivery were compared. CONCLUSION: Staying in active care may associate with disorder type but not maternal characteristics. PMID- 29215647 TI - Fragile X population carrier screening. PMID- 29215648 TI - Happy birthday, Genetics in Medicine! PMID- 29215649 TI - A craniosynostosis massively parallel sequencing panel study in 309 Australian and New Zealand patients: findings and recommendations. AB - PURPOSE: The craniosynostoses are characterized by premature fusion of one or more cranial sutures. The relative contribution of previously reported genes to craniosynostosis in large cohorts is unclear. Here we report on the use of a massively parallel sequencing panel in individuals with craniosynostosis without a prior molecular diagnosis. METHODS: A 20-gene panel was designed based on the genes' association with craniosynostosis, and clinically validated through retrospective testing of an Australian and New Zealand cohort of 233 individuals with craniosynostosis in whom previous testing had not identified a causative variant within FGFR1-3 hot-spot regions or the TWIST1 gene. An additional 76 individuals were tested prospectively. RESULTS: Pathogenic or likely pathogenic variants in non-FGFR genes were identified in 43 individuals, with diagnostic yields of 14% and 15% in retrospective and prospective cohorts, respectively. Variants were identified most frequently in TCF12 (N = 22) and EFNB1 (N = 8), typically in individuals with nonsyndromic coronal craniosynostosis or TWIST1 negative clinically suspected Saethre-Chotzen syndrome. Clinically significant variants were also identified in ALX4, EFNA4, ERF, and FGF10. CONCLUSION: These findings support the clinical utility of a massively parallel sequencing panel for craniosynostosis. TCF12 and EFNB1 should be included in genetic testing for nonsyndromic coronal craniosynostosis or clinically suspected Saethre-Chotzen syndrome. PMID- 29215650 TI - Phenocopies in melanoma-prone families with germ-line CDKN2A mutations. AB - PURPOSE: Carriers of CDKN2A mutations have high risks of melanoma and certain other cancers. In this study we examined the occurrence of tumors among CDKN2A wild type (wt) members of melanoma-prone families with CDKN2A mutations. METHODS: Swedish and US melanoma-prone families with CDKN2A mutations were included. Data was collected on tumors diagnosed among family members. Among the CDKN2A mutated families, members with CDKN2A wt status who were diagnosed with melanoma were designated phenocopies. RESULTS: Of patients with melanoma in the CDKN2A mutated families (n = 266), 7.1%, were seen among members with CDKN2A wt status (phenocopy rate). Among the CDKN2A wt family members of the CDKN2A mutated families (n = 256), 7.4% were diagnosed with melanoma. The prospective relative risk for melanomas was significantly higher among the CDKN2A wt subjects compared with population-based controls (7.4 (95% confidence interval 1.7-33.2)), while no elevated risks of nonmelanoma cancers were seen and their offspring did not have significantly elevated risks of melanoma or other cancers. CONCLUSION: Members of CDKN2A mutation carrying families who test negative for their family's mutation have moderately increased risk for melanoma and should, in addition to being considered for continuing dermatologic surveillance, be encouraged to follow sun safety recommendations and practice skin self-exams. PMID- 29215651 TI - Mosaic disorders and the Taxonomy of Human Disease. PMID- 29215652 TI - Corrigendum: Sources of discordance among germ-line variant classifications in ClinVar. AB - This corrects the article DOI: 10.1038/gim.2017.60. PMID- 29215653 TI - Prevalence of neurofibromatosis type 1 in the Finnish population. AB - PURPOSE: The incidence of neurofibromatosis 1 (NF1) is ~1/2,000 live births, but the current estimates of prevalence vary greatly. This retrospective total population study was aimed at determining the prevalence of NF1 in Finland. METHODS: All secondary and tertiary referral centers of Finland were searched for NF1 patients. Patient records were manually reviewed and patients fulfilling the National Institutes of Health diagnostic criteria for NF1 were included. Prevalence on 31 December 2005 was determined. Data on incidence and survival were combined to refine the prevalence estimation. RESULTS: A total of 1,279 patients with NF1 were alive on 31 December 2005, yielding a prevalence of 1/4,088 (95% confidence interval (CI) 1/4,320-1/3,869). The survival of patients with NF1 was inferior compared with the general population (hazard ratio 3.10, 95% CI 2.73-3.53, P < 0.001). When the survival rates of NF1 patients and the Finnish population were combined with an estimate of NF1 incidence, a prevalence of 1/2,052 (95% CI 1/2,176-1/1,941) was estimated for NF1 in a population aged 0 74 years. CONCLUSION: NF1 is a much more common disorder than previously thought. A large proportion of NF1 patients may not be correctly identified by health-care systems or they do not seek secondary health care for their NF1. PMID- 29215654 TI - Age and perceived risks and benefits of preventive genomic screening. AB - PURPOSE: As genome sequencing moves from research to clinical practice, sequencing technologies focused on "medically actionable" targets are being promoted for preventive screening despite the dearth of systematic evidence of risks and benefits and of criteria for selection of screening subjects. This study investigates researchers' and research participants' perceptions of these issues within the context of a preventive genomic screening study, GeneScreen. METHODS: We recorded researcher deliberations regarding age eligibility criteria and the risks and benefits of screening, and conducted interviews with 50 GeneScreen participants about their motivations for joining and their perceptions of risks and benefits. RESULTS: Researchers made assumptions about who would want and benefit from screening based on age. After discussion, researchers opted not to have an upper age limit for enrollment. Participants of all ages perceived similar benefits, including prevention, treatment, and cascade testing, and similar risks, such as insurance discrimination and worry. CONCLUSION: While clinical benefits of preventive genomic screening for older adults are debatable, our respondents perceived a range of benefits of screening in both clinical and research settings. Researchers and clinicians should carefully consider decisions about whether to exclude older adults and whether to provide information about benefits and risks across age groups. PMID- 29215655 TI - Observed frequency and challenges of variant reclassification in a hereditary cancer clinic. AB - PurposeEfforts have been made by the American College of Medical Genetics and Genomics and the Association for Molecular Pathology to make variant classification more uniform, but many limitations remain. Reclassification of a variant of uncertain significance (VUS) is expected, but other more certain calls, like pathogenic or benign, can also be reclassified once additional information is gathered. Variant reclassification can create difficult circumstances for both patients and clinicians.MethodsRetrospective review of all variant reclassifications in genes associated with hereditary cancer syndromes at one clinic between September 2013 and February 2017 was completed. All variant reclassifications were completed and reported by the original testing laboratory.ResultsA total of 1,103 hereditary cancer tests were ordered. Fewer than 5% (40/1,103) of the initial reports were updated during that time period. Most reclassifications (29/40) were downgrades of VUS to likely benign. Only three reclassifications could potentially alter medical management.ConclusionThe majority of variant reclassifications do not impact medical management. Upgrading a variant call to pathogenic could be important for a patient's care and shows the importance of open communication between laboratories and clinicians. A variant downgrade from pathogenic can be a significant reclassification as well, especially if prophylactic surgery has been completed. PMID- 29215656 TI - [Control of cardiovascular risk factors in type 2 diabetes in a specialized diabetic clinic]. AB - BACKGROUND: Achieving an adequate control of glycaemic and cardiovascular risk factors (CVRFs) is essential in patients with type 2 diabetes mellitus (T2DM). However, several studies have shown that the percentage of patients achieving these goals is scarce. We evaluated the degree of control of CVRFs target goals in T2DM patients who regularly attend a specialized diabetic clinic. METHODS: We studied T2DM patients who attended the specialized Diabetic Unit at the Department of Endocrinology of Clinica Universitaria de Navarra with a minimum follow-up of one year. Clinical characteristics, chronic complications and treatments were collected and patients were classified into groups according to the fulfilment of target glycated haemoglobin (HbA1c), LDL cholesterol and blood pressure (BP) levels, predefined according to the presence of different comorbidities and the duration of T2DM. RESULTS: We analysed 137 patients (75% men) with T2DM, with an average age of 67 years and a 12.7 year duration of diabetes. During follow-up, 83.9% of the patients were within the individualized HbA1c target, 76.6% considering BP and 67.2% in terms of LDL-cholesterol. In addition, 68% had concomitantly the three main variables within the target. CONCLUSIONS: In our population of T2DM, HbA1c, LDL cholesterol and BP targets were achieved in a substantial proportion of patients (67-91%). Perhaps the intense and individualized care offered through a specialized diabetes unit may explain these results. PMID- 29215657 TI - [The patient and the crossing between Primary and Hospital care. Systematic review of trials for the implementation of tools for integration in Spain]. AB - BACKGROUND: Health services are moving towards a complete integration to try and reduce fragmentation, increase efficiencies and improve health outcomes. Estimates the effectiveness in of different tools for integrated care in Spain. METHODS: We performed a systematic review of articles using MEDLINE (last search July31st, 2017). Randomized clinical trials reporting health outcomes of tools for integrated care used in Spain were included. Studies were appraised for quality using the Cochrane Risk of Bias assessment. RESULTS: Twenty studies met the criteria for the systematic review. Interventions included were hospital-at home (four studies, 455 patients), outpatient clinic by videoconference (three studies, 2438 patients), nurse navigator (four studies, 1051 patients), self-care improvement (four studies, 1291 patients), at-home health monitoring (three, 162), health apps (two, 225) and medical reconciliation (one, 172). Hospital-at home, nurse navigator or self-care improvement reduced readmission rate in older patients, heart failure (HF) or chronic obstructive pulmonary disease (COPD). Self-care improvement and nurse navigator reduced mortality rate in HF. Hospital at-home reduced hospital stay in COPD. Self-care improvement reduced outpatient visits in asthma patients. Outpatient video by videoconference reduced time to diagnosis and treatment in rural areas. The quality of the evidence ranged from low to very low for all the outcomes because it was based in double or triple downgraded randomized trials. CONCLUSION: The implementation of tools for integrated care in Spain improved some outcomes of relevance in patients with chronic conditions, although evidence is low. Self-care improvement stood out due to the improvements made. PMID- 29215658 TI - [Suicide: the challenge of prevention]. PMID- 29215659 TI - [Influence of sociodemographic, occupational and life style factors on the levels of burnout in palliative care health professionals]. AB - BACKGROUND: Palliative care health professionals have reported high levels of burnout. An understanding of factors associated with this syndrome in this population could foster new prevention and intervention strategies. The objectives were to evaluate the levels of burnout in each of its dimensions in a sample of palliative care health professionals and to analyze the relationship between levels of burnout and sociodemographic, occupational and lifestyle characteristics in this sample. METHODS: The total sample was composed of 92 palliative care health professionals. Sociodemographic, occupational and lifestyle characteristics were registered. The levels of burnout syndrome were evaluated by the Maslach Burnout Inventory - Human Services Survey (MBI-HSS). The total sample was divided into three groups, depending on the level of burnout (non-burnout group, burnout group meeting one criterion, and burnout group meeting two or three criteria). Comparisons were performed amongst groups for all characteristics evaluated. RESULTS: The non-burnout professionals were significantly older and slept more than the professionals with more than one altered dimension; in addition, they had greater job seniority in the unit than those with a single altered dimension and did physical exercise more frequently than either of the burnout groups. CONCLUSION: The younger professionals, with more job seniority in the units of palliative care, and less hours of sleep and physical activity showed higher levels of burnout. Therefore, these factors should be considered for enhancing prevention and intervention strategies for these health professionals. PMID- 29215660 TI - [Prioritization of non-recommended clinical activities in Primary Care]. AB - OBJECTIVE: To prioritize non-recommended clinical activities in Primary Care (PC), from "Do not do" recommendations listed by the Sociedad Espanola de Medicina de Familia y Comunitaria (Semfyc), according to expert consensus (physicians, nurses and pharmacists). METHODS: The consensus for the prioritization of non-recommended practices in PC was performed through an online procedure. We used as a base the list of "do not-do" recommendations of the SEMFYC. We asked the experts to prioritize practices that should be de-adopted in PC, based on four prioritization criteria: frequency of occurrence, cost of the activity, ease of disposal and damage caused, which were scored from one to five, according to their recommendation. Scores were summarized in median and quartile values. Two rounds were necessary to obtain a consensus. A modified e-Delphi technique was used. RESULTS: 34 experts (62%) participated in the first consultation round and prioritized 19 recommendations with a score = 3.5. These recommendations were again analyzed in a second round, in which 32 panelists agreed to prioritize 17 practices (13 related to prescription, three diagnostic tests, and one clinical analysis). The high priority list included seven practices with values = 4: 1) Prescription of a new drug in elderly patients without having reviewed the previous treatments; 2) Lipid-lowering drugs without calculating the overall cardiovascular risk; 3) Not systematically prescribing gastric protection with proton pump inhibitors to patients consuming Nonsteroidal anti-inflammatory drugs (NSAIDs); 4) Glucose self-analysis in non-insulinized type 2 diabetics; 5) Benzodiazepines in the long term; 6) Bisphosphonates in patients with low risk of fracture; and 7) Antibiotics in lower respiratory tract infections. CONCLUSION: This study provides information for the prioritization of 17 non-AP activities in which short-term de-adoption would significantly increase the efficiency of the public health system. PMID- 29215661 TI - [Horner's Syndrome: an unusual ophthalmological presentation of Hodgkin lymphoma]. AB - Horner's Syndrome (HS) is a neurological syndrome characterised by the triad incomplete pupillary miosis, palpebral ptosis and facial anhidrosis, due to a lesion of the oculosympathetic pathway, formed of three neurons from the hipothalamus to the eye. Identifying its cause is a diagnostic challenge since in spite of its apparent lack of clinical importance, HS can be the first or only manifestation of a serious, or even potentially mortal disorder. We present the case of a 19-year-old male patient with a history of nonspecific ocular pains of two months evolution. He attended the emergency ophthalmological clinic where he was diagnosed with an HS as the first clinical manifestation of Hodgkin lymphoma. PMID- 29215662 TI - [Validation of the Scale of Hope in Terminal Illness for relatives brief version (SHTI-b). Validity and reliability analysis.] AB - BACKGROUND: Bermejo and Villacieros' Scale of Hope in Terminal Disease (SHTD) specifically collects meanings of hope facing terminal disease, including considerations relating to psycho-emotional support and that have a transcendental sense. The objective of this paper is to validate the SHTD abbreviated and rephrased to adapt all the items to a single domain. METHODS: Starting from the published SHTD, an exploratory factor analysis (EFA) was carried out with a sample of 177 valid questionnaires. In a second study, with another sample of 180 valid questionnaires, a confirmatory factor analysis (CFA) and a correlation analysis with other measurements of spiritual wellbeing (Functional Assessment of Chronic Illness Therapy-Sp) and hope (Herth Hope Index) were done. RESULTS: A bidimensional model with satisfactory goodness of fit index values was obtained (GFI = 0.991; CFI = 0.984; SRMR = 0.08; RMSEA = 0.057); the Relations of Transcendence factor obtained a Cronbach's alpha of 0.872 and Personal Relations an alpha of 0.762. The correlations of the SHTI-rb with external measures were: r = 0.527with FACIT; r = 0.266 with HHI; r = 0.667 with the Spirituality subscale of FACIT; and r = 0.348 with the Interrelation factor of HHI. The Relations of Transcendence subscale correlated with both Layout and Expectation and Interrelation of HHI (r = 0.162 and r = 0.329 respectively), while the scale of Personal Relations only correlated with Interrelation of HHI (r = 0.244). CONCLUSIONS: The Scale of Hope in Terminal Illness for relatives (brief version) is a valid and reliable specific instrument for terminal patients. PMID- 29215663 TI - Conducting Behavioral Intervention Research in Rural Communities: Barriers and Strategies to Recruiting and Retaining Heart Failure Patients in Studies. AB - Background: Heart failure is a major public health problem, and self-management is the primary approach to control the progression of heart failure. The low research participation rate among rural patients hinders the generation of new evidence for improving self-management in rural heart failure patients. Purpose: The purpose of this study is to identify the barriers and strategies in the recruitment and retention of rural heart failure patients in behavioral intervention programs to promote self-management adherence. Method: This is a descriptive study using data generated from a randomized controlled trial. Results: Eleven common barriers were identified such as the inability to perceive the benefits of the study, the burden of managing multiple comorbidities, and the lack of transportation to appointments. Possible gateways to improve recruitment and retention include using recruiters from the local community and promoting provider engagement with research activities. Multiple challenges inhibited rural heart failure patients from participating in and completing the behavioral intervention study. Conclusion and implications: Anticipation of those barriers, and identifying strategies to remove those barriers, could contribute to an improvement in the rural patients' participation and completion rates, leading to the generation of new evidence and better generalizability of the evidence. PMID- 29215664 TI - Erratum. AB - [This corrects the article DOI: 10.1590/S1980-57642009DN30400010.]. PMID- 29215665 TI - [RETRACTED ARTICLE]: Culture as a variable in neuroscience and clinical neuropsychology: A comprehensive review. AB - [This retracts the article DOI: 10.1590/1980-57642015DN93000002.]. PMID- 29215666 TI - Sample preparation for polar metabolites in bioanalysis. AB - Sample preparation is a primary step of any bioanalytical workflow, especially in metabolomics analysis where maximum information has to be obtained without spoiling the analytical instrument. Because of their biological implication, highly polar metabolites, such as amino acids, nucleobases, and catecholamines seem to attract growing interest in the field of comprehensive metabolomics analysis although their extraction from the matrix remains a real challenge. In this paper, we discuss about the actual practice and issues of hydrophilic metabolites' extraction, including new solutions and perspectives to improve their phase transfer from a complex biological sample to a clean extract prior to analysis. PMID- 29215667 TI - A general and efficient approach for tuning the crystal morphology of classical MOFs. AB - This communication introduces a general approach toward the size/morphology controlled synthesis of classical MOFs with 2-methylimidazole (2-MI) as a competitive ligand and a base to accelerate the nucleation of crystallization. A higher concentration of 2-MI and a suitable polarity and solubility of the solvent will accelerate the nucleation of the crystal, resulting in nanometer size particles. However, larger crystals can be obtained via the further growth of nanoparticles with prolonging the reaction time. Such a serendipitous discovery may inspire future researchers to design new MOF materials with desired structures. PMID- 29215668 TI - Radiolytic stability of N,N-dialkyl amide: effect on Pu(iv) complexes in solution. AB - The radiolytic degradation of three N,N-dialkyl amide ligands relevant to nuclear fuel reprocessing was studied. The degradation of these ligands: N,N di-2 ethyhexylbutyramide (DEHBA), N,N di-2-ethyhexylisobutyramide (DEHiBA) and N,N di 2-ethyhexyl-3-dimethylbutanamide (DEHDMBA) was examined to evaluate the effect of the structure on the formation of degradation products as well as to compare alpha induced degradation to gamma induced degradation. In situ alpha radiolysis by introduction of plutonium(iv) as the alpha source in the solution and ex situ gamma radiolysis with 60Co as the gamma source were compared. Upon identification of the main degradation products, a degradation scheme was proposed. The effects of radiation on the stability of Pu-monoamide complexes were discussed. Theoretical calculations were also performed to determine bond dissociation energy and estimate the relative strength of the bond in the molecule. The results show that neither the type of radiation (alpha vs. gamma) nor the structure modification (introduction of branching on the alkyl chain off the carbonyl carbon) of the molecule significantly impact the formation of degradation products under the conditions studied. Moreover, it was observed that the overall stability of the monoamide remains good and that Pu complexation is not greatly affected by either alpha or gamma irradiation. PMID- 29215669 TI - A core-shell structured LiNi0.5Mn1.5O4@LiCoO2 cathode material with superior rate capability and cycling performance. AB - A core-shell structured LiNi0.5Mn1.5O4@LiCoO2 cathode material has been successfully synthesized by the combination of sol-gel and solid state methods. The coating of LiCoO2 has a significant effect on the electrochemical performance of the spinel LiNi0.5Mn1.5O4-based cathode material, especially the cycling stability at high temperature and rate capability. After modification, the ionic conductivity of the material is greatly improved due to the high ion conductivity of LiCoO2. The LiNi0.5Mn1.5O4@LiCoO2 with 1% LiCoO2 presents the optimal rate capability and delivers a relatively high discharge capacity of 122 mA h g-1 at 10C. On the other hand, the surface coating of LiCoO2 can effectively facilitate Li+ interfacial diffusion, and alleviate the side reactions between the active material and the electrolyte; as a result, the capacity retention of 96.17% for the LiNi0.5Mn1.5O4@LiCoO2 electrode with 1% LiCoO2 is much higher than that for the bare LiNi0.5Mn1.5O4 (74.93%) after 100 cycles at elevated temperature. Our study confirms that the core-shell structure construction caused by the coating of LiCoO2 plays a critical role in the improvement of the electrochemical cycling stability at elevated temperatures and rate capability. PMID- 29215670 TI - Is a strong axial crystal-field the only essential condition for a large magnetic anisotropy barrier? The case of non-Kramers Ho(iii) versus Tb(iii ). AB - A monometallic non-Kramers Ho(iii) complex with a strong uniaxial ligand field displays a record high energy barrier of 355 K with hysteresis opening up to 4 K at a sweep rate of 0.027 T s-1, while the isomorphous, more anisotropic non Kramers Tb(iii) complex displays strong quantum tunnelling between the ground states. Ab initio calculations reveal that the presence of strong axial ligands and moderately weaker equatorial ligands is sufficient to quench the QTM between the ground pseudo doublets (mJ = +/-8) in the case of Ho(iii) complex, where the relaxation is found to proceed via the first excited state. However, the equatorial field disrupts the stabilization of ground pseudo doublets in Tb(iii), inducing QTM and inhibiting SIM behaviour. Further insights into the decisive role played by the secondary coordination sphere and hydrogen-bonding in the SIM characteristics of these two non-Kramers ions were also gained. This combined experimental and computational approach highlights that although strong axiality holds the key for designing high temperature SIMs based on oblate non-Kramers ions, the strength of the equatorial ligand field also cannot be ignored. PMID- 29215671 TI - The role of structure and the metal ion in the fluorescence sensing of nitro compounds for a series of lanthanide(iii) 9,10-anthracene dicarboxylate coordination polymers. AB - Twenty-eight lanthanide coordination polymers (CPs) containing 9,10-anthracene dicarboxylate (ADC) linkers have been synthesized and characterized. For the earlier class of lanthanides La3+, Ce3+, Pr3+, Nd3+, Sm3+, Eu3+, Gd3+ and Tb3+, the 3D pcu net was generated from dimethylformamide (DMF) while a 2D hcb net was formed using dimethylacetamide (DMA). Similarly for the later class of lanthanides, Dy3+, Ho3+, Er3+, Tm3+, Yb3+ and Lu3+, a 2D hcb net was formed when dimethylacetamide (DMA) was used. However, the formation of a crystalline product with DMF was possible only when DMSO was added together for these lanthanides, and they yielded 2D structures despite the usage of DMF. Only the single crystal structures of Er3+ and Ho3+ have been determined and the rest of the structures were confirmed by PXRD studies. These compounds have been used to sense various nitro compounds. In particular, they are the most sensitive to Brady's reagent, 2,4-dinitrohydrazobenzene. There was no difference in the quenching extent between the 3D and 2D early lanthanide CPs. For the later lanthanides which adopt 2D structures, the quenching efficiency is higher when DMA instead of DMSO is coordinated suggesting the solvent effect in emission quenching. PMID- 29215672 TI - Design of two isoreticular Cd-biphenyltetracarboxylate frameworks for dye adsorption, separation and photocatalytic degradation. AB - Two novel isoreticular cadmium metal-organic frameworks (MOFs) with the framework formula of [Cd2(BPTC)(solvent)3] (H4BPTC = 3,3',5,5'-biphenyltetracarboxylic acid) have been constructed under diverse reaction conditions and characterized by single crystal X-ray diffraction, PXRD, IR and TGA. The neutral 3D frameworks of 1 and 2 with one-dimensional (1D) rhombic channels exhibit both distinct uptake and good selectivity for cationic methylene blue (MB) dye molecules. The adsorption capacity and adsorption kinetic constant of 2 are greater than those of 1, showing the importance of porosity and pore size during the adsorption. Moreover, both MOFs show effective degradation of rhodamine B (RhB) and methyl orange (MO) dyes under UV light irradiation. PMID- 29215673 TI - Extraction of triterpenoids and phenolic compounds from Ganoderma lucidum: optimization study using the response surface methodology. AB - The extraction of triterpenoids and phenolic compounds from Ganoderma lucidum was optimized by using the response surface methodology (RSM), using heat and ultrasound assisted extraction techniques (HAE and UAE). The obtained results were compared with that of the standard Soxhlet procedure. RSM was applied using a circumscribed central composite design with three variables (time, ethanol content, and temperature or ultrasonic power) and five levels. The conditions that maximize the responses (extraction yield, triterpenoids and total phenolics) were: 78.9 min, 90.0 degrees C and 62.5% ethanol and 40 min, 100.0 W and 89.5% ethanol for HAE and UAE, respectively. The latter was the most effective, resulting in an extraction yield of 4.9 +/- 0.6% comprising a content of 435.6 +/ 21.1 mg g-1 of triterpenes and 106.6 +/- 16.2 mg g-1 of total phenolics. The optimized extracts were fully characterized in terms of individual phenolic compounds and triterpenoids by HPLC-DAD-ESI/MS. The recovery of the above mentioned bioactive compounds was markedly enhanced using the UAE technique. PMID- 29215674 TI - Bioinspired dynamic microcapsules. AB - There is an increasing interest in bioinspired dynamic materials. Abundant illustrations of protein domains exist in nature, with remarkable ligand binding characteristics and structures that undergo conformational changes. For example, calmodulin (CaM) can have three conformational states, which are the unstructured Apo-state, Ca2+-bound ligand-exposed binding state, and compact ligand-bound state. CaM's mechanical response to biological cues is highly suitable for engineering dynamic materials. The distance between CaM globular terminals in the Ca2+-bound state is 5 nm and in the ligand-bound state is 1.5 nm. CaM's nanoscale conformational changes have been used to develop dynamic hydrogel microspheres that undergo reversible volume changes. The current work presents the fabrication and preliminary results of layer-by-layer (LbL) self-assembled Dynamic MicroCapsules (DynaMicCaps) whose multilayered shell walls are composed of polyelectrolytes and CaM. Quasi-dynamic perfusion results show that the DynaMicCaps undergo drastic volume changes, with up to ~1500% increase, when exposed to a biochemical ligand trifluoperazine (TFP) at pH 6.3. Under similar test conditions, microcapsules without CaM also underwent volume changes, with only up to ~290% increase, indicating that CaM's bio-responsiveness was retained within the shell walls of the DynaMicCaps. Furthermore, DynaMicCaps exposed to 0.1 M NaOH underwent volume changes, with only up to ~580% volume increase. Therefore, DynaMicCaps represent a new class of polyelectrolyte multilayer (PEM) capsules that can potentially be used to release their payload at near physiological pH. With over 200 proteins that undergo marked, well-characterized conformational changes in response to specific biochemical triggers, several other versions of DynaMicCaps can potentially be developed. PMID- 29215676 TI - Analysis of the Epithelium-Mesenchymal Transition Process on Oral Squamous Cell Carcinomas. AB - The aim of this study is to evaluate the immunohistochemical expression of E cadherin, N-cadherin and Bmi-1, and their association with clinical parameters and with the degree of histopathological differentiation in oral squamous cell carcinomas. 65 squamous cell carcinoma samples were used for constructing a tissue microarray block, and then immunohistochemistry was performed for different markers. A semi-quantitative analysis of the amount of positive tumor cells was performed by two blind and calibrated observers (Kappa>0.75). The statistical Mann-Whitney and Kruskal-Wallis tests were used to evaluate the data. The correlation between variables was investigated by the Spearman test, and the significance level set at p<0.05. We observed higher expression of Bmi-1 in tumors located in the palate (p<0.0001). In addition, poorly differentiated tumors had a greater amount of Bmi-1 positive cells (p=0.0011). Regarding the other correlations between variables, no significant associations were detected. In conclusion, poorly differentiated squamous cell carcinomas located in the palate have higher immunostaining of Bmi-1, which can characterize activation of the Epithelial-Mesenchymal Transition process in these tumors. PMID- 29215675 TI - Association Between Apical Periodontitis and TNF-alpha -308 G>A Gene Polymorphism: A Systematic Review and Meta-Analysis. AB - Currently, investigations have focused on the identification of Single Nucleotide Polymorphisms (SNP) involved in host response and its ability to generate an immunity deficiency. The aim of this study was to perform a systematic review (SR) and meta-analysis to evaluate the association between TNF-alpha -308 G>A polymorphism and apical periodontitis (AP) phenotypes. A broad search for studies was conducted. The following databases were used: PubMed, Scopus, Web of Science, and VHL (Medline, SciELO, Ibecs, and Lilacs). The MeSH terms "Periapical Periodontitis," "Periapical Abscess," "Polymorphism, Genetic," and "Polymorphism, Single Nucleotide" were used. MeSH synonyms, related terms, and free terms were included. Clinical investigations of individuals with different AP phenotypes in permanent teeth were selected. After application of the eligibility criteria, selected studies were qualified by assessing their methodological quality. A fixed effect model was used for the meta-analysis. The initial search identified 71 references. After excluding duplicate abstracts, 33 were selected. From these, two were eligible for quality assessment and were classified as being of moderate evidence. The included studies did not demonstrate association between AP and TNF alpha -308 G>A SNP. However, the meta-analysis demonstrated an association between the genotype distribution and AP phenotype (OR= 0.49; confidence interval= 0.25, 0.96; p=0.04). The role of TNF-alpha -308 G>A SNP in AP phenotypes is debatable. Further studies are needed to confirm and understand the underlying mechanisms of the identified association. PMID- 29215677 TI - Diabetic Rats Present High Mean Platelet Count in the Presence of Oral Infections. AB - Platelet count is associated with inflammatory diseases like diabetes mellitus (DM), which in turn, is related in a bidirectional manner with apical periodontitis and periodontal disease. The aim of this study was to evaluate the effects of apical periodontitis and/or periodontal disease on mean platelet count in a rat model of diabetes mellitus. Eighty Wistar rats were randomly divided into 8 groups (n=10): control (C), apical periodontitis (AP), periodontal disease (PD), apical periodontitis with periodontal disease (AP-PD), diabetes mellitus (DM), diabetes mellitus with apical periodontitis (DM-AP), diabetes mellitus with periodontal disease (DM-PD) and diabetes mellitus with apical periodontitis and periodontal disease (DM-AP-PD). Rats were anesthetized and DM was induced with a single dose of streptozotocin diluted in citrate buffer solution. After 6 days, the DM was confirmed. The animals were sedated and apical periodontitis was induced by dental exposure and periodontal disease was induced by periodontal ligature. After 30 days, animals were anesthetized and the blood was collected by cardiac puncture. Samples were processed and the mean platelet count was obtained. Data were tabulated and subjected to statistical analysis (p<0.05). Diabetic rats had higher mean glycemic levels compared with nondiabetic rats at 6 and 36 days after DM induction (p<0.05). The DM-PD and DM-PD-AP groups showed increased mean platelet count compared to control and AP groups (p<0.05). The periodontal disease alone or associated with apical periodontitis influence mean platelet count in a rat model of diabetes mellitus. PMID- 29215678 TI - Decrease in Mandibular Cortical in Patients With Type 1 Diabetes Mellitus Combined with Poor Glycemic Control. AB - In this study we analyzed the mandibular cortical bone of patients with type 1 diabetes mellitus (T1DM) and non-diabetic. Fifty patients with T1DM and 100 non diabetic ones paired by age and gender were analyzed. Two double-blinded observers evaluated 150 digital panoramic images of both groups. The mandibular cortical bone was analyzed using the Mandibular Cortical Index (MCI), Mental Index (MI), Gonial Index (GI), Antegonial Index (AI) and Upper and Lower Panoramic Mandibular Indexes (UPMI and LPMI), with the aid of RADIOIMP(r) software. Influence of T1DM in the morphology of the mandibular cortical bone was studied based on obtaining data related to T1DM diagnosis time, blood glucose level, T1DM control and the presence of chronic complications. Collected data were submitted to descriptive (mean and standard deviation) and inferential analyzes (Pearson's chi-squared test and Fisher's exact test) (p<=0.05). According to the MCI, individuals with T1DM had higher frequencies of mandibular cortical alterations, in both sexes and all age groups (p<0.01). For quantitative indexes, MI, GI, AI, UPMI and LPMI, female patients showed statistically significant differences for GI and AI, while male patients had statistically significant differences for all indexes (p<0.05), presenting the individuals with TDM1 inferior measures. Individuals with poor T1DM control showed significantly higher frequency of mandibular cortical alteration (92.3%), with lower means for MI, GI, AI and LPMI (p<=0.05). In conclusion, patients with T1DM showed decrease in the mandibular cortical bone when compared to non-diabetic ones, indicating that poor disease control is associated with these alterations. PMID- 29215679 TI - Accelerated Healing Period with Hydrophilic Implant Placed in Sheep Tibia. AB - The objective of this study was to evaluate the early osseointegration of two different implants surfaces, a sandblasted and acid-etched surface (TN) compared with same geometry and surface roughness modified to be hydrophilic/wettable by conditioning in an isotonic solution of 0.9% sodium-chloride (TA) through histological and histomorphometric analysis after sheep tibia implantation. Forty dental implants, divided in two groups (TN and TA) were placed in the left tibia of twenty healthy, skeletally mature Santa Ines sheep (n=5/experimental period). After 7, 14, 21 and 28 days post-implantation, the samples were removed and the sheep were kept alive. Analysis of resin sections (30 MUm) allowed the quantification of bone area (BA) and bone-to-implant contact (BIC). TA group presented nearly 50% increase in BA at 14 days (p<0.001, ANOVA - Tukey's post test) compared with 7 days. The TA presented higher values than the TN for BA and BIC at 14, 21, and 28 days after placement, stabilizing bone healing. TA hydrophilic surface promoted early osseointegration at 14 and 21 days compared to TN, accelerating bone healing period post-implant placement in sheep tibia. PMID- 29215680 TI - Effects of Zoledronic Acid in Experimental Periapical Lesions in Rats: An Imaging and Histological Analysis. AB - The aim of this study was to assess the imaging and histological features of experimental periapical lesions, including the adjacent alveolar bone, in rats under zoledronic acid treatment. The study used 40 male Wistar rats distributed into 8 groups of 5 animals each: G1: induction of periapical lesion (PL) and weekly intraperitoneal administration (WIPA) of saline solution (0.9% NaCl) for 4 weeks; G2: PL induction and WIPA of zoledronic acid (0.15 mg/kg/week) for 4 weeks; G3: PL induction and WIPA of saline solution for 8 weeks; G4: PL induction and WIPA of zoledronic acid for 8 weeks; G5:WIPA of saline solution for 4 weeks and subsequent PL induction; G6: WIPA of zoledronic acid for 4 weeks and subsequent PL induction; G7: WIPA of saline solution for 8 weeks and subsequent PL induction; G8: WIPA of zoledronic acid for 8 weeks and subsequent PL induction. The administration of zoledronic acid or saline solution continued after PL induction until the euthanasia. Thus, cone beam computed tomography and histological analysis were performed. Statistical analyzes were performed by ANOVA and Kruskal-Wallis test. Groups treated with zoledronic acid showed significantly smaller size of PL than the groups treated with 0.9% NaCl (p<0.05). PLs were formed by chronic inflammation ranging from mild to moderate, with no difference between groups. In all specimens, no mandibular necrosis was observed. In conclusion, the presence of PLs apparently does not represent an important risk factor for the development of bisphosphonate-related osteonecrosis of the jaws. PMID- 29215681 TI - Oxygen Saturation in the Dental Pulp of Maxillary Premolars in Different Age Groups - Part 1. AB - The aim of this study was to determine oxygen saturation levels in the dental pulp of maxillary premolars in different age groups. A total of 120 human maxillary premolars with normal dental pulps were selected covering the following age groups: 20-24, 25-29, 30-34, 35-39 and 40-44 years (n=24 each group). Oxygen saturation was assessed using pulse oximetry. Analysis of variance was used to assess differences in oxygen saturation levels and Tukey's test was used to identify the age groups that differed from each other. Significance was set at 0.05. Mean oxygen saturation of 120 premolars was 86.20% considering all age groups. Significantly reduced levels were found in the oldest group compared to the other groups: 40 to 44 years - 80.00% vs. 89.71, 87.67, 88.71, and 84.80% for age groups 20-24, 25-29, 30-34, 35-39 years, respectively. The mean oxygen saturation levels were similar between 20 and 39 years of age (86.20%) in the whole sample, but reduced significantly in the 40-44-year age group, suggesting that older patients present lower oxygen saturation results even in the absence of pulp tissue injury. PMID- 29215682 TI - Physicochemical and Biological Evaluation of Endodontic Filling Materials for Primary Teeth. AB - This study assessed the pH, radiopacity, antimicrobial effect, cytotoxicity and biocompatibility of endodontic filling materials for primary teeth. Zinc oxide eugenol (ZOE), Vitapex and Calen paste thickened with zinc oxide (ZO) were evaluated in comparison to an experimental MTA-based material. Radiopacity was tested using a graduated aluminum stepwedge with a digital sensor (n=5). The materials pH was recorded at 1, 4, 12 h; 1, 3, 7, 15 and 30 days (n=5). Direct contact test was used to assess the antimicrobial efficacy against Enterococcus faecalis after 1, 4, 12, 24 h (n=5). Cytotoxicity assay used MTT test for cell viability after incubation for 1, 3 and 7 days (n=5). For biocompatibility test, Wistar rats had received implants containing each material (n=5). The biopsied tissues were histologically analyzed after 15, 30 and 60 days. The results of radiopacity, pH, antimicrobial capacity and cytotoxicity were analyzed using ANOVA and Tukey tests. The histological data were submitted to Kruskal-Wallis test. The experimental material presented the lowest radiopacity (3.28 mm Al) and had a pH>12.0 throughout the test period. The experimental material showed the highest antibacterial effect, killing over 99.97% bacteria in 4 h. Vitapex presented the highest cell viability. Initially, biocompatibility test showed moderate to severe inflammation in all groups. After 60 days, Calen+ZO group showed moderate inflammation, while the others showed predominantly mild inflammatory reaction. The present results demonstrated that the experimental MTA based material exhibited satisfactory behavior regarding the studied properties. Additional in vivo studies are necessary for a better evaluation of the material. PMID- 29215683 TI - Instrument Design May Influence Bacterial Reduction During Root Canal Preparation. AB - The aim of this study was to evaluate the bacterial reduction promoted by ProTaper Next and Twisted File by comparing to ProTaper Universal and manual technique. Sixty distobuccal root canals of maxillary molars sterilized with ethylene oxide were contaminated with Enterococcus faecalis broth culture. After incubation for 21 days, bacterial samples were collected and cultured on m Enterococcus agar plates. The root canals were divided into 4 groups, according to the system used for instrumentation: ProTaper Next, Twisted File, ProTaper Universal, and crown down manual technique. Other 8 uncontaminated root canals were control asepsis. Bacterial samples were collected immediately and 7 days after instrumentation. The bacterial reduction was calculated and then made intragroup analysis by paired t-test and intergroup analysis by ANOVA and Tukey tests, all at 5% significance. All techniques significantly reduced the bacterial number in the root canal (p<0.05). ProTaper Next and Twisted File resulted in more bacterial reduction than ProTaper Universal and manual technique (p<0.05). ProTaper Next and Twisted File were similar (p>0.05). It can be concluded that ProTaper Next and Twisted File promote a higher bacterial reduction than Protaper Universal and manual technique. PMID- 29215684 TI - Radiopacity Evaluation of Gutta-Percha Points in Thinner Samples than the ANSI/ADA Recommendation. AB - The aim of this study was to evaluate the radiopacity of different gutta-percha points (Endo Points(r), Dentsply(r), Tanari(r), Meta(r), Roeko(r) and Odous(r)) in samples of 1 mm thick as established by ANSI/ADA Specification #57 and ISO 6876/2001, in comparison with thinner samples. Twelve test specimens for each material, four for each thickness (0.3, 0.6, and 1 mm and diameter of 8 mm), were laminated and compressed between two polished glass plates until the desirable thickness. Digital radiographs were obtained along with a graduated aluminum stepwedge varying from 1 to 10 mm in thickness. The X-ray unit was set at 70 kVp, 10 mA and 0.4 s exposure time, at a focal distance of 36 cm. One calibrated observer quantified the average values of pixels with Adobe Photoshop(r) software. Data were analyzed using ANOVA and Tukey tests, at 5% significance level. At 0.6 and 1 mm thickness, all the tested materials showed radiopacity higher than 3 mm of aluminum (reference value). At 0.3 mm thickness, Odous and Tanari presented significantly less radiopacity than the reference, and the other materials showed similar radiopacity to the reference. The study concluded that the materials demonstrated different radiopacities and all had values above the minimum recommended by ANSI/ADA specification #57, being Odous and Tanari less radiopaque than the reference value in thinner samples (0.3mm). PMID- 29215685 TI - Micro-CT Evaluation of Root and Canal Morphology of Mandibular First Premolars with Radicular Grooves. AB - The aim of this study was to evaluate morphological features of 70 single-rooted mandibular first premolars with radicular grooves (RG) using micro-CT technology. Teeth were scanned and evaluated regarding the morphology of the roots and root canals as well as length, depth and percentage frequency location of the RG. Volume, surface area and Structure Model Index (SMI) of the canals were measured for the full root length. Two-dimensional parameters and frequency of canal orifices were evaluated at 1, 2, and 3 mm levels from the apical foramen. The number of accessory canals, the dentinal thickness, and cross-sectional appearance of the canal at different root levels were also recorded. Expression of deep grooves was observed in 21.42% of the sample. Mean lengths of root and RG were 13.43 mm and 8.5 mm, respectively, while depth of the RG ranged from 0.75 to 1.13 mm. Mean canal volume, surface area and SMI were 10.78 mm3, 58.51 mm2, and 2.84, respectively. Apical delta was present in 4.35% of the sample and accessory canals were observed mostly at the middle and apical thirds. Two-dimensional parameters indicated an oval-shaped cross-sectional appearance of the root canal with a high percentage frequency of canal divisions (87.15%). Canal configuration type V (58.57%) was the most prevalent. C-shaped configuration was observed in 13 premolars (18.57%), whereas dentinal thickness ranged from 1.0 to 1.31 mm. Radicular grooves in mandibular first premolars was associated with the occurrence of several anatomical complexities, including C-shaped canals and divisions of the main root canal. PMID- 29215686 TI - Are Desensitizing Toothpastes Equally Biocompatible and Effective Against Microorganisms? AB - The aims of this study were evaluate cytotoxicity, genotoxicity, antimicrobial activity of desensitizing toothpastes compared to a common one and the surface roughness of tooth enamel submitted to brushing with these toothpastes. Samples of three desensitizing toothpastes (Colgate Sensitive, Sensodyne and Oral B Sensitive) and common toothpaste (Colgate) were placed in contact with gingival human fibroblasts. Cytotoxicity and genotoxocity were measured by MTT assay and micronucleus test. Antimicrobial activity of the toothpastes extracts against C. albicans, S. mutans and S. aureus were assessed. For surface roughness evaluation, bovine teeth were submitted to 10.000 brushing cycles. The results were analyzed statically using Mann-Whitney U, ANOVA and Z tests (p<0.05). All toothpastes caused cytotoxic effect to the cells (p<0.05), except Colgate Sensitive. The toothpastes did not increase the number of micronuclei compared to the untreated control group. Colgate eliminated all the evaluated microorganisms at lower concentrations compared to Colgate Sensitive and Oral B Sensitive, which were not able to eliminate S. aureus. Sensodyne did not reach the minimum microbicidal concentration. The surface roughness of tooth enamel increased after brushing with Colgate Sensitive and Oral B Sensitive, however the comparison between groups showed no difference on the enamel surface roughness presented by desensitizing toothpastes when compared with the common one (p>0.05). Based on these results, we can conclude that although none toothpaste has induced genotoxicity, Colgate Sensitive was also not cytotoxic. Colgate was the most effective against the microorganisms, and there were no differences on the enamel surface roughness between the groups. PMID- 29215687 TI - Impact of Microabrasion on the Effectiveness of Tooth Bleaching. AB - The aim of the present study was to evaluate the effect of prior microabrasion on the teeth color change and tooth bleaching effectiveness. Eight sound molars were mesio-distally sectioned and the halves were randomly allocated to receive enamel microabrasion or non-abrasion (control) in one of surfaces (buccal or lingual), while the remaining surface received the other treatment. The tooth color on baseline was evaluated by spectrophotometer (CieL*a*b system). After the microabrasion procedure, the tooth color was measured again. Following, the specimens were bleached with 35% hydrogen peroxide for two sessions with one-week interval. The color was re-evaluated 7 days after each section and 30 days after the second session. The effect of enamel microabrasion on color changes was evaluated by paired T-test. Deltas L*, a*, b*, and E were calculated and data submitted to 2-way repeated measure ANOVA followed by Tukey's test. Paired T-test was also used to assess possible differences on the ultimate color achieved after tooth bleaching. Enamel microabrasion reduced the lightness and increased the redness of specimens. Specimens that received microabrasion presented higher values of ?L* than control after each bleaching procedure; and higher ?a* after the 2nd bleaching session. However, the prior enamel microabrasion did not affect the ultimate values of color parameters. Despite enamel microabrasion have modified the tooth color, this procedure did not affect the ultimate results achieved with tooth bleaching using a high-concentrated hydrogen peroxide. PMID- 29215688 TI - Microtensile Bond Strength and Microhardness of Composite Resin Restorations Using a Sonic-Resin Placement System. AB - The aim of this study was to evaluate the efficacy of applying sonic energy on microtensile bond strength and microhardness after the restoration process. A total of 40 human third molars were extracted. Class II cavities were prepared and restored with composite SonicFill or Filtek Z350 XT with and without the application of sonic energy. After the teeth were stored in water for 24 h, the teeth were sectioned into sticks (1.0 mm2) and subjected to tensile testing. For a depth Knoop hardness test, the samples were cut and indentations were made sequentially from the surface of the samples to the bottom of the samples in three intervals of 1 mm each. The samples were then subjected to a load of 50 g for 10 s. The results from the tensile (factors: placement system and composite) and hardness (factors: placement system, composite and depth) tests were subjected to the Kolmogorov-Smirnov normality test, followed by analysis of variance and Tukey's test (5% significance). For the placement system factor, higher bond strength was observed for the cavities that were restored with sonic energy (p < 0.001). For depth Knoop hardness, the hardness at 1 mm depth was significantly greater than that at 3 mm depth just for the restorations with Filtek Z350 XT composite without the application of sonic energy. Therefore, the use of sonic energy during the restorative process improved bonding, yet it did not markedly affect the depth hardness for both composites. PMID- 29215689 TI - Influence of Hemostatic Solution on Bond Strength and Physicochemical Properties of Resin Cement. AB - The aim of this study was to evaluate the degree of conversion, color stability, chemical composition, and bond strength of a light-cured resin cement contaminated with three different hemostatic solutions. Specimens were prepared for the control (uncontaminated resin cement) and experimental groups (resin cement contaminated with one of the hemostatic solutions) according to the tests. For degree of conversion, DC (n = 5) and color analyses (n = 10), specimens (3 mm in diameter and 2 mm thick) were evaluated by Fourier transform infrared spectroscopy (FTIR) and CIELAB spectrophotometry (L*, a*, b*), respectively. For elemental chemical analysis (n = 1), specimens (2 mm thick and 6 mm in diameter) were evaluated by x-ray energy-dispersive spectroscopy (EDS). The bond strengths of the groups were assessed by the microshear test (n = 20) in a leucite reinforced glass ceramic substrate, followed by failure mode analysis by scanning electron microscopy (SEM). The mean values, except for the elemental chemical evaluation and failure mode, were evaluated by ANOVA and Tukey's HSD test. The color stability was influenced by storage time (p<0.001) and interaction between contamination and storage time (p<0.001). Hemostop and Viscostat Clear contamination did not affect the DC, however Viscostat increased the DC. Bond strength of the resin cement to ceramic was negatively affected by the contaminants (p<0.001). Contamination by hemostatic agents affected the bond strength, degree of conversion, and color stability of the light-cured resin cement tested. PMID- 29215690 TI - Impact of Material Shade and Distance from Light Curing Unit Tip on the Depth of Polymerization of Composites. AB - This study aimed to evaluate the effect of the composite shade and distance from the light-curing unit (LCU) tip on the irradiance reaching the bottom of composite disks and on the depth of polymerization. Composites of three shades (opaque - OXDC, bleach - BXL, and A2) were inserted into molds with 3-mm of thickness positioned over a spectrometer and photo-activated with the LCU (Bluephase) tip placed at 0 or 1 cm from the composite surface. The mean irradiance reaching the bottom of composite was recorded during the entire photo activation (30 s). Specimens (2 x 2 x 4 mm) were polymerized and used to map the degree of conversion achieved in different depths from irradiated surface. Specimens were sectioned into slices that were positioned over the platform of the infra-red microscope connected to the spectrometer to map the conversion. The conversion was measured in eight different depths every 500-um. Increasing the distance of LCU tip reduced the irradiance only for A2. Interposing OXDC disks resulted in lowest values of irradiance and A2 the highest one. A tendency to decrease the conversion was observed towards the bottom of specimens for all experimental conditions, and the slope was more accentuated for OXDC. Differences among shades and distances from LCU tip were evident only beyond 1.5-2.0 mm of depth. In conclusion, both composite shade and distance from LCU tip might affect the light-transmission and depth of polymerization, while the effect of last was more pronounced. PMID- 29215691 TI - Evaluating Psychometric Properties of an Instrument Addressing Comprehensiveness of Care Among Dentists. AB - This study aimed to evaluate the psychometric properties of an instrument to assess comprehensiveness of care from dentists using a combination of classical test theory and item response theory. A 46-item instrument was developed and tested by a panel of experts, followed by a pilot test and administration to 187 primary care dentists in a large Brazilian city. The 46 items were evaluated using the following criteria: acceptability, internal consistency, temporal stability, inter-item correlation, and tetrachoric correlation. This evaluation led to a shortened version consisting of 11 items that met all the criteria previously described. The temporal stability was measured using Cohen's kappa, and all 11 items presented values greater than 0.5. The Cronbach's alpha value was 0.72. None of the 11 items had missing data on the distribution of responses, and the model considering the discrimination as varying fit the data better than the model considering discrimination as a constant parameter (p<0.001). Item characteristic curves showed that 54.5% of items could be considered difficult, i.e., only dentists with a good understanding of comprehensiveness responded favorably. The 11-item instrument to assess comprehensiveness of care by dentists is considered to have good psychometric properties. PMID- 29215692 TI - Chondroid Tenosynovial Giant Cell Tumor of the Temporomandibular Joint: A Rare Case Report. AB - Tenosynovial giant cell tumor of diffuse type (TGCT-d) or pigmented villonodular synovitis (PVNS) is a locally aggressive lesion that mostly affects the joints of long bones. Chondroid tenosynovial giant cell tumor (CTGCT) or PVNS with chondroid metaplasia is a rare distinct subset of synovial tumors that has a predilection for the TMJ. We report a rare case of CTGCT in the TMJ, initially misdiagnosed as temporomandibular disorder (TMD). A 51-year-old woman was referred to the surgeon with the chief complaint of TMJ pain for 5 years and a past history of an unsuccessful TMD treatment. Extraoral examination revealed discrete preauricular swelling and restricted mandibular range of motion. Panoramic radiograph and computerized tomography showed destruction of the mandibular fossa and condyle. Histologically, the tumor was composed by large mononuclear cells with prominent eosinophilic cytoplasm and grooved nuclei, small histiocytoid cells, osteoclast-like multinucleated cells, brown pigmentation and areas of chondroid metaplasia. Morphological and immunohistochemical characteristics lead to the final diagnosis of CTGCT. The rarity of CTGCT could be attributed to the lack of recognition of this lesion, with cases diagnosed as chondroblastomas, synovial chodromatosis and chondrosarcoma. The patient received immediate reconstruction and recurrence was found 22 months after initial intervention. TGCT-d and CTGCT of the TMJ can present similar symptoms to TMD, but clinicians must distinguish both lesions by complete examination, imaging and, when necessary, histopathologic evaluation. PMID- 29215693 TI - Adolescent Depression in Jordan: Symptoms Profile, Gender Differences, and the Role of Social Context. AB - The influence of gender and other individual and context characteristics on the prevalence and severity of depressive symptoms among Jordanian adolescents remains unclear. The aims of the current study were to: (a) characterize depressive symptoms profiles for Jordanian adolescents; and (b) examine gender differences in the type, severity, and correlates of depressive symptoms. Cross sectional data were collected from 2,349 Jordanian adolescents ages 12 to 17 using a nationally representative school survey. The Beck Depression Inventory-II was used to assess the presence and severity of depressive symptoms. Female adolescents had significantly higher mean depression scores (17.9 [SD = 11.6], 95% confidence interval [CI] [17.3, 18.5]) than their male counterparts (13.8 [SD = 10.2], 95% CI [13.2, 14.5]). Approximately 41% of girls and 26% of boys reported scores indicating moderate to severe depression. Sex differences and socially constructed gender differences need to be adequately considered in the planning and delivery of mental health care for adolescent depression. If the risk for depression is gender-specific, prevention strategies cannot be gender neutral. [Journal of Psychosocial Nursing and Mental Health Services, 56(2), 44 55.]. PMID- 29215694 TI - Strategies to Promote Walking Among Community-Dwelling Individuals With Major Mental Disorders. AB - Individuals with major mental disorders could benefit from low cost, functional ways to support healthy lifestyles. Walking is a popular, preferred, accessible, and safe physical activity for many people. Walking is free, requiring no specialized equipment or membership fee, and is important to support engagement in other daily living activities. The current study explores the benefits of walking and strategies for promoting walking among community-dwelling individuals with major mental disorders. Key issues include strengthening engagement, tracking progress, and sustaining participation to achieve goals related to walking. The authors propose ways that nurses can support increased walking behavior for improved health and well-being in this population. [Journal of Psychosocial Nursing and Mental Health Services, 56(3), 25-32.]. PMID- 29215695 TI - Identifying Depression in Parents of Children With Autism Spectrum Disorder: Recommendations for Professional Practice. AB - Parents of children with autism spectrum disorder (ASD) face many challenges, not the least of which can be dealing with their own depression. Depression decreases an individual's capacity for self-care and is often overlooked in this population striving to manage the demands of parenting their child with ASD. This article examines current literature related to prevalence, diagnosis, and interventions for depression in parents of children with ASD. The review indicates that depression is more common in parents of children with ASD than in the general public. However, most literature addresses parenting skills rather than depression and associated self-care deficits identified in these parents. Suggestions for best practice models and proactive interventions to caregivers are provided. [Journal of Psychosocial Nursing and Mental Health Services, 56(4), 23-27.]. PMID- 29215696 TI - Psychological Capital and Perceived Professional Benefits: Testing the Mediating Role of Perceived Nursing Work Environment Among Chinese Nurses. AB - The current descriptive cross-sectional study aimed to explore the mediating role of perceived nursing work environment (PNWE) in the relationship between psychological capital (PsyCap) and perceived professional benefits among Chinese nurses. Participants (N = 351) working in two large general hospitals in Guangdong, China completed self-report questionnaires from March to May 2017. Linear regression analyses and structural equation modeling were performed to explore the mediating effect. PsyCap (particularly for hope and optimism) had a positive effect on perceived professional benefits, and PNWE was a mediator in this relationship among Chinese nurses. A good working environment can be regarded as a mediator variable, increasing staff's competence and sense of belonging to a team. For successful implementation, nurse managers should use effective strategies to increase nurses' confidence and hope while providing a comfortable work environment. [Journal of Psychosocial Nursing and Mental Health Services, 56(4), 38-47.]. PMID- 29215697 TI - ARA1 regulates not only l-arabinose but also d-galactose catabolism in Trichoderma reesei. AB - Trichoderma reesei is used to produce saccharifying enzyme cocktails for biofuels. There is limited understanding of the transcription factors (TFs) that regulate genes involved in release and catabolism of l-arabinose and d-galactose, as the main TF XYR1 is only partially involved. Here, the T. reesei ortholog of ARA1 from Pyricularia oryzae that regulates l-arabinose releasing and catabolic genes was deleted and characterized by growth profiling and transcriptomics along with a xyr1 mutant and xyr1/ara1 double mutant. Our results show that in addition to the l-arabinose-related role, T. reesei ARA1 is essential for expression of d galactose releasing and catabolic genes, while XYR1 is not involved in this process. PMID- 29215698 TI - The lncRNA MALAT1 contributes to non-small cell lung cancer development via modulating miR-124/STAT3 axis. AB - lncRNAs can exert many biological effects in several cancer types. MALAT1 is a kind of lncRNA which is greatly overexpressed in several tumors including non small cell lung cancer (NSCLC). However, the mechanism of MALAT1 in NSCLC still remains unclear. In our current study, we concentrated on the biological mechanism of MALAT1 in NSCLC. It was observed that MALAT1 was significantly upregulated in five human NSCLC cells including A549, H23, H522, H1299, and H460 cells compared to normal bronchial epithelial cell line 16HBE cells. On the contrary, miR-124 was remarkably downregulated, which indicated a potential negative correlation between miR-124 and MALAT1. MALAT1 inhibition can increase miR-124 expression in A549 and H460 cells. In addition, miR-124 mimics were able to repress MALAT1 expression and miR124 inhibitors can promote MALAT1 levels. Then it was found that shMALAT1 can inhibit NSCLC cell proliferation, colony formation and apoptosis, which can be reversed by miR-124 inhibitors. Bioinformatic analysis predicted the correlation between miR-124 and MALAT1. In addition, STAT3 was found to be a novel mRNA target of miR-124. Downregulation of MALAT1 can inhibit NSCLC development by enhancing miR-124 and decreasing STAT3 expression. We speculated that MALAT1can act as a competing endogenous lncRNA (ceRNA) to modulate miR-124/STAT3 in NSCLC. Taken these together, we revealed that MALAT1/miR-124/STAT3 was involved in NSCLC development. PMID- 29215699 TI - LncRNA LINC00880 promotes cell proliferation, migration, and invasion while inhibiting apoptosis by targeting CACNG5 through the MAPK signaling pathway in spinal cord ependymoma. AB - The present study was to investigate the effect of lncRNA LINC00880 targeting CACNG5 on cell proliferation, migration, invasion, and apoptosis in spinal cord ependymoma (SCE) through the MAPK signaling pathway. GEO database was used to download gene expression data related with SCE (GSE50161 and GSE66354) and annotation file. LncRNA with differential expression was predicted by Multi Experiment Matrix website (MEM). The target gene was analyzed by KEGG pathway enrichment analysis. SCE tissues and adjacent tissues were collected. The positive expression of CACNG5 protein was tested by immunohistochemistry. Expression of LINC00880, CACNG5, and MAPK signaling pathway-related proteins was measured with qRT-PCR and Western blotting. Cell proliferation, migration, invasion, cycle, and apoptosis were detected using MTT, Transwell assay, Scratch test, and Flow cytometry. SCE tissues showed increased LINC00880 expression. CACNG5 was a target gene of LINC00880 and correlated with MAPK signaling pathway. Compared with adjacent tissues, SCE tissues showed lower positive expression of CACNG5. Compared with the blank group, LINC00880 expression was higher in the LINC00880 vector and LINC00880 vector + CACNG5 vector groups, and lower in the si LINC00880 and si-LINC00880 + si-CACNG5 groups; in the LINC00880 vector and si CACNG5 groups, expression of survivin, p38MAPK, ERK1/2, JNK1/2/3 increased and CACNG5 and Bax expression reduced, the proliferation, invasion and migration of tumor cells increased, and apoptosis rate decreased. Opposite results were found in the si-LINC00880 and CACNG5 vector groups. The findings indicate that lncRNA LINC00880 targeting CACNG5 inhibits cell apoptosis and promotes proliferation, migration, and invasion in SCE through the MAPK signaling pathway. PMID- 29215700 TI - Novel smoothened antagonists as anti-neoplastic agents for the treatment of osteosarcoma. AB - Osteosarcoma (OS) is an ultra-rare highly malignant tumor of the skeletal system affecting mainly children and young adults and it is characterized by an extremely aggressive clinical course. OS patients are currently treated with chemotherapy and complete surgical resection of cancer tissue. However, resistance to chemotherapy and the recurrence of disease, as pulmonary metastasis, remain the two greatest challenges in the management, and treatment of this tumor. For these reasons, it is of primary interest to find alternative therapeutic strategies for OS. Dysregulated Hedgehog signalling is involved in the development of various types of cancers including OS. It has also been implicated in tumor/stromal interaction and cancer stem cell biology, and therefore presents a novel therapeutic strategy for cancer treatment. In our work, we tested the activity of five potent Smoothened (SMO) inhibitors, four acylguanidine and one acylthiourea derivatives, against an OS cell line. We found that almost all our compounds were able to inhibit OS cells proliferation and to reduce Gli1 protein levels. Our results also indicated that SMO inhibition in OS cells by such compounds, induces apoptosis with a nanomolar potency. These findings suggest that inactivation of SMO may be a useful approach to the treatment of patients with OS. PMID- 29215701 TI - Long non-coding RNA (LncRNA) RMST in triple-negative breast cancer (TNBC): Expression analysis and biological roles research. AB - Microarray showed that lncRNA RMST was differentially expressed in cervical cancer. Further experiments were conducted to detect the expression and biological function of RMST in triple-negative breast cancer (TNBC). Microarray was used to screen the differentially expressed lncRNAs in TNBC. QRT-PCR was applied to uncover the expression of RMST in TNBC tissues. The cell viability of RMST-transfected TNBC cells were probed by CKK-8 assay and colony formation assay. TUNEL assay was conducted to test the cell apoptosis and FCM assay was exerted to detect the cell cycle. The invasion and migration ability of transfected cells were examined by transwell assay. RMST played its biological function through regulating the mRNA or protein expression in cytoplasm. CCK-8 and colony formation assay unveiled that RMST could slow down the proliferation of TNBC cells to influence the tumor progression. TUNEL results revealed that RMST could enhance cell apoptosis in TNBC. The cell cycle detected by FCM assay indicated that RMST might induce the block of G0/G1 phase thus inhibiting TNBC cell proliferation. RMST overexpression could also restrain the invasion and migration abilities of TNBC cells. RMST played a role of tumor suppressor in TNBC through inhibiting cell proliferation, invasion and migration, enhancing cell apoptosis, and regulating cell cycle. PMID- 29215702 TI - ADAM17 participates in the protective effect of paeoniflorin on mouse brain microvascular endothelial cells. AB - Paeoniflorin (PF), the most abundant active ingredient of traditional Chinese herbal medicine Paeoniae Radix, has been recognized as a potential neuroprotectant due to its remarkable efficacy on mitigating cerebral infarction and preventing the neurodegenerative diseases. However, the precise mechanisms of PF remain incompletely understood. In this study, we first provided evidence for the protective effect of PF on hydrogen peroxide-induced injury on mouse brain microvascular endothelial bEnd.3 cells, and for transactivation of the epidermal growth factor receptor (EGFR) signal induced by PF, suggesting that EGFR transactivation might be involved in the beneficial role of PF. Next, by detecting the phosphorylation of a disintegrin and metalloprotease 17 (ADAM17) at Thr 735 and performing loss-of-function experiments with the ADAM17 inhibitor and ADAM 17-siRNA, we showed that PF-induced transactivation of EGFR and downstream ERKs and AKT signaling pathways were dependent on ADAM17. Furthermore, PF-induced phosphorylation of ADAM17 and the EGFR transactivation were inhibited by the inhibitors of adenosine A1 receptor (A1R) or Src kinase that were applied to cells prior to PF treatment, implying the involvement of A1R, and Src in the activation of ADAM17. Finally, PF reduced the cell surface level of TNF-receptor 1 (TNFR1) and increased the content of soluble TNFR1 (sTNFR1) in the culture media, indicating that PF might enhance the shedding of sTNFR1. Taken together, we conclude that A1R and Src-dependent activation of ADAM17 participates in PF induced EGFR transactivation and TNFR1 shedding on mouse brain microvascular endothelial cells, which may contributes to the neuroprotective effects of PF. PMID- 29215703 TI - Design, synthesis, and characterization of alpha, beta-unsaturated carboxylic acid, and its urea based derivatives that explores novel epigenetic modulators in human non-small cell lung cancer A549 cell line. AB - Histone deacetylase inhibitors (HDACi) are a small molecule chemotherapeutics that target the chromatin remodeling through the regulation of histone and non histone proteins. These inhibitors directed against histone deacetylase (HDAC) enzymes have become an important therapeutic tool in oncology; consequently, scientific efforts have fortified the quest for newer and novel HDACi, which forces the design of structurally innovative HDACi. Various urea containing compounds exhibited admirable anticancer activity. On the basis of these observations, we design and synthesize HDAC specific blocker molecules which are specifically besieged towards class I, class II, and class IV HDAC isoforms to enhance the structural assortment for HDACi. Through docking experiments, we identified that the compounds were tightly bound to the isoforms of the HDAC enzymes at their receptor regions. These derivatives potently inhibited the different isoforms, namely, class I, II, and IV of HDACs, by hyperacetylation of lysine residues in A549 cells. The mechanism of apoptosis is evident, regulating tumor suppressor genes and proteins, thereby facilitating the activation of the death receptor pathway by the tumor necrosis factor (TNF) receptor. These derivative facilitated the induction of reactive oxygen species (ROS) generation leading to downregulation of Bcl2 , and upregulation of Bax expression, thereby dysregulating mitochondrial membrane potential (DeltaPsim ) to release cytochrome c, and activation of intrinsic pathway. These compounds downregulate the extracellular signal-regulated kinase/mitogen-activated protein kinase (ERK/MAPK) pathway to inhibit cell growth, proliferation, and metastasis through the matrix metalloproteinases (MMPs) MMP2 and MMP9 in A549 cells. These results suggest that our designed urea based derivatives act as epigenetic targeting agents through HDAC inhibition. PMID- 29215705 TI - Activation of fibroblasts by nicotine promotes the epithelial-mesenchymal transition and motility of breast cancer cells. AB - The tumor microenvironment plays an important role in tumor initiation and progression. It is well documented that nicotine participates in cigarette smoking-related malignancies. Previous studies focused on the effects of nicotine on tumor cells; however, the role of the microenvironment in nicotine-mediated tumorigenesis is poorly understood. Herein, we investigated the effect and molecular mechanism of nicotine on fibroblasts and its contribution to breast cancer. We found that nicotine induced the epithelial-mesenchymal transition (EMT) of breast cancer cells and promoted activation of fibroblasts. Interestingly, conditioned medium from nicotine-activated fibroblasts (Nic-CM) had a greater impact on promoting the EMT and migratory capability toward cancer cells than did treatment with nicotine alone. Production of connective tissue growth factor (CTGF) and transforming growth factor (TGF)-beta by nicotine treated fibroblasts was demonstrated to be crucial for promoting the EMT and cancer cell migration, and blocking of CTGF and TGF-beta in Nic-CM-suppressed tumor motility. Moreover, nicotine induced expressions of CTGF, and TGF-beta in fibroblasts as identified through alpha7 nicotinic acetylcholine receptor (nAChR) dependent activation of the AKT/TAZ signaling mechanism. Together, our data showed for the first time that activation of fibroblasts is largely responsible for accelerating smoking-mediated breast cancer progression. PMID- 29215706 TI - Map and correlate intracellular calcium response and matrix deposition in cartilage under physiological oxygen tensions. AB - Face to the limited repair capability of cartilage, we intended to find out signaling responsible for its matrix synthesis. Since spontaneous calcium response likes a label of cell status, here it was mapped in fresh and 24 hr cultured in situ chondrocytes under oxygen tensions of 20%, 5%, and 1% as well as mimic hypoxia conditions. The calcium source was traced using ethylene glycol-bis (beta-aminoethyl ether)-N,N,N',N'-tetraacetic acid (EGTA) and thapsigargin (TG) to treat cartilage. Their relative matrix of type II collagen (COLL-II) and glycosaminoglycan (GAG) were quantified after cultured for 3 and 7 days. We disclosed the specific fingerprint of calcium response and matrix deposition along the histological zones under various oxygen tensions, from which the effects of hyperoxia, normoxia, and hypoxia conditions on as well as the optimal oxygen tensions for maintenance of various zones of cartilage or chondrocytes were derived and obtained. Our results revealed that cytoplasm calcium was conducive to synthesize COLL-II but detrimental to synthesize GAG. These results provide correlation in addition to details of intracellular calcium response and matrix deposition in in situ cartilage along its histological zones under physiological oxygen tensions. PMID- 29215704 TI - Cardiovascular biochemical risk factors among women with spontaneous preterm delivery. AB - OBJECTIVE: To determine whether women delivering preterm have unfavorable cardiovascular profiles as compared with women who deliver at term. METHODS: A prospective observational cohort study enrolled 165 women with spontaneous preterm delivery (sPTD) at 24+0 and 36+6 gestational weeks in three perinatal care centers in The Netherlands between August 2012 and August 2014. Total cholesterol, triglycerides, high-density lipoprotein (HDL)-cholesterol, low density lipoprotein (LDL)-cholesterol, apolipoprotein, glucose, and homocysteine were measured within 24 hours after delivery. Lipids and cardiovascular biochemical risk factors were compared between women with sPTD and an external comparison group of 30 women with term delivery via analysis of covariance. RESULTS: Mean gestational age at delivery was 30.7 +/- 3.6 weeks in the sPTD group and 40.3 +/- 1.3 weeks in the reference group. Data were adjusted for body mass index, age, and center. As compared with the reference group, total cholesterol and LDL-cholesterol levels were lower and glucose levels were higher among women with sPTD. CONCLUSION: An association between sPTD and unfavorable lipids and cardiovascular biochemical risk factors was not established. The higher levels of glucose in the sPTD group might be due to increased insulin resistance, which is associated with a higher risk of sPTD. PMID- 29215707 TI - The diagnostic and prognostic value of circulating microRNAs in coronary artery disease: A novel approach to disease diagnosis of stable CAD and acute coronary syndrome. AB - Coronary artery disease (CAD) is the most common manifestation of CVD and the acute coronary syndrome (ACS) is associated with a substantial morbidity and mortality in most populations globally. There are several biomarkers for diagnosis of MI. Troponin is routinely used as a biomarker in patients with chest pain, but it lacks sensitivity in the first hours of onset of symptoms, and so there is still a clinical need for new biomarkers for the diagnosis of CAD events. Recent studies have shown that miRNAs are involved in atherosclerotic plaque formation and their expression is altered during CAD events. Whilst studies have shown that several miRNAs are not superior to troponin in the diagnosis of a MI, they may be useful in the early diagnosis and prognosis of patients with CAD, however further studies are required. In this review we have summarized the recent studies investigating circulating miRNAs as novel biomarkers for the early detection of MI, CVD risk stratification and in the assessment of the prognosis of patients with ACS. PMID- 29215709 TI - The potential role of aquaporin 1 on aristolochic acid I induced epithelial mesenchymal transition on HK-2 cells. AB - Aristolochic acid I (AA-I), one of the main active components in Aristolochaia herbs, may induce aristolochic acid nephropathy (AAN). Renal interstitial fibrosis is one of the most typical features of AAN. To investigate the mechanism of Aristolochic acid I (AA-I) -induced renal epithelial-mesenchymal transition (EMT) and determine the role of aquaporin-1 (AQP1) in this process, we established an AA-I-induced EMT model in human proximal tubular epithelial cells (HK-2 cells). Morphological examination, MTT assay, and Western blot analysis were performed. Aquaporin 1 (AQP1) and several EMT-related proteins were detected, thereby suggesting the occurrence of AA-I-induced EMT. Two main pathways of transforming growth factor-beta (TGF-beta) signaling, namely, Smad dependent and Smad-independent signaling pathways, were also detected. The results showed that the TGF-beta / Smad-independent signaling pathways (beta catenin, Ras-Raf-Erk1/2 signaling pathways) were activated, and AQP1 expression was decreased during the AA-I induced EMT on HK-2 cells. With the presence of TGF beta1 receptor inhibitor (LY364947) and Erk1/2 inhibitor (PD98059), AQP1 expression was altered by PD98059, suggested that AQP1 could be adjusted by Erk1/2 signaling. Moreover, the inhibitory effect of AA-I on AQP1 was stronger than that of TGF-beta1, suggested that AQP1 may be an important target on AAN clinical therapy. PMID- 29215708 TI - Risk factors for nuchal cord entanglement at delivery. AB - OBJECTIVE: To identify nuchal cord risk factors. METHODS: The present case control study was carried out between December 2016 and April 2017 at two hospitals in Yaounde, Cameroon. Singletons with a nuchal cord at delivery (case group) as well as the two neonates without a nuchal cord delivered immediately after each case (control group), all in cephalic presentation, were included. Undated pregnancies were excluded. The main variables studied were maternal age, parity, pregnancy duration at delivery, cord insertion site, cord length, delivery weight, and fetal sex. RESULTS: A nuchal cord was present in 121 (6.0%) of 2015 singletons. The final analysis included 114 and 228 neonates in the case and control groups, respectively, with similar maternal age, parity, pregnancy duration, and delivery weight. Significant independent risk factors for nuchal cord formation were a cord length of 70 cm or more (adjusted odds ratio [aOR] 19.10, 95% confidence interval [CI] 8.63-42.04), a pregnancy duration of more than 42 weeks (aOR 7.43, 95% CI 1.46-37.21), marginal cord insertion (aOR 2.90, 95% CI 1.11-9.35), and a male fetus (aOR 2.14, 95% CI 1.16-7.74). CONCLUSION: Marginal cord insertion and post-term pregnancy should be added to the list of known nuchal cord risk factors. PMID- 29215710 TI - Impact of nationwide health insurance coverage for non-invasive prenatal testing. AB - OBJECTIVE: To describe the changes in women's choices for prenatal testing after the introduction of nationwide health insurance coverage for non-invasive prenatal testing (NIPT) in Switzerland. METHODS: The present retrospective study reviewed data from all women with singleton pregnancies who presented at the prenatal unit of Basel University Hospital, Switzerland, for first-trimester screening between July 15, 2014, and December 31, 2015. Women were divided into three categories according to their risk for aneuploidy, and the uptake of NIPT in the period before and after the introduction of the nationwide coverage for NIPT was compared. RESULTS: Overall, 887 women were included in the study: 573 screens were carried out before (group 1) and 314 after (group 2) the introduction of insurance coverage for NIPT. In group 1, 53 (9.2%) had NIPT as compared with 72 (22.9%) in group 2. Among women with intermediate risk for aneuploidies and basic insurance coverage, NIPT increased by 56% (12/88 [14%] vs 32/46 [70%]; P<0.001). CONCLUSION: There was a notable increase in the uptake of NIPT; uptake was most significant among women with basic health insurance and intermediate risk for aneuploidy. PMID- 29215711 TI - Triage tools for detecting cervical spine injury in pediatric trauma patients. AB - BACKGROUND: Pediatric cervical spine injury (CSI) after blunt trauma is rare. Nonetheless, missing these injuries can have severe consequences. To prevent the overuse of radiographic imaging, two clinical decision tools have been developed: The National Emergency X-Radiography Utilization Study (NEXUS) criteria and the Canadian C-spine Rule (CCR). Both tools are proven to be accurate in deciding whether or not diagnostic imaging is needed in adults presenting for blunt trauma screening at the emergency department. However, little information is known about the accuracy of these triage tools in a pediatric population. OBJECTIVES: To determine the diagnostic accuracy of the NEXUS criteria and the Canadian C-spine Rule in a pediatric population evaluated for CSI following blunt trauma. SEARCH METHODS: We searched the following databases to 24 February 2015: CENTRAL, MEDLINE, MEDLINE Non-Indexed and In-Process Citations, PubMed, Embase, Science Citation Index, ProQuest Dissertations & Theses Database, OpenGrey, ClinicalTrials.gov, World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP), Cochrane Database of Systematic Reviews, the Database of Abstracts of Reviews of Effects, the Health Technology Assessment, and the Aggressive Research Intelligence Facility. SELECTION CRITERIA: We included all retrospective and prospective studies involving children following blunt trauma that evaluated the accuracy of the NEXUS criteria, the Canadian C-spine Rule, or both. Plain radiography, computed tomography (CT) or magnetic resonance imaging (MRI) of the cervical spine, and follow-up were considered as adequate reference standards. DATA COLLECTION AND ANALYSIS: Two review authors independently assessed the quality of included studies using the QUADAS-2 checklists. They extracted data on study design, patient characteristics, inclusion and exclusion criteria, clinical parameters, target condition, reference standard, and the diagnostic two-by-two table. We calculated and plotted sensitivity, specificity and negative predictive value in ROC space, and constructed forest plots for visual examination of variation in test accuracy. MAIN RESULTS: Three cohort studies were eligible for analysis, including 3380 patients ; 96 children were diagnosed with CSI. One study evaluated the accuracy of the Canadian C-spine Rule and the NEXUS criteria, and two studies evaluated the accuracy of the NEXUS criteria. The studies were of moderate quality. Due to the small number of included studies and the diverse outcomes of those studies, we could not describe a pooled estimate for the diagnostic test accuracy. The sensitivity of the NEXUS criteria of the individual studies was 0.57 (95% confidence interval (CI) 0.18 to 0.90), 0.98 (95% CI 0.91 to 1.00) and 1.00 (95% CI 0.88 to 1.00). The specificity of the NEXUS criteria was 0.35 (95% CI 0.25 to 0.45), 0.54 (95% CI 0.45 to 0.62) and 0.2 (95% CI 0.18 to 0.21). For the Canadian C-spine Rule the sensitivity was 0.86 (95% CI 0.42 to 1.00) and specificity was 0.15 (95% CI 0.08 to 0.23). Since the quantity of the data was small we were not able to investigate heterogeneity. AUTHORS' CONCLUSIONS: There are currently few studies assessing the diagnostic test accuracy of the NEXUS criteria and CCR in children. At the moment, there is not enough evidence to determine the accuracy of the Canadian C-spine Rule to detect CSI in pediatric trauma patients following blunt trauma. The confidence interval of the sensitivity of the NEXUS criteria between the individual studies showed a wide range, with a lower limit varying from 0.18 to 0.91 with a total of four false negative test results, meaning that if physicians use the NEXUS criteria in children, there is a chance of missing CSI. Since missing CSI could have severe consequences with the risk of significant morbidity, we consider that the NEXUS criteria are at best a guide to clinical assessment, with current evidence not supporting strict or protocolized adoption of the tool into pediatric trauma care. Moreover, we have to keep in mind that the sensitivity differs among several studies, and individual confidence intervals of these studies show a wide range. Our main conclusion is therefore that additional well designed studies with large sample sizes are required to better evaluate the accuracy of the NEXUS criteria or the Canadian C-spine Rule, or both, in order to determine whether they are appropriate triage tools for the clearance of the cervical spine in children following blunt trauma. PMID- 29215712 TI - Effects of microRNA-10a on synapse remodeling in hippocampal neurons and neuronal cell proliferation and apoptosis through the BDNF-TrkB signaling pathway in a rat model of Alzheimer's disease. AB - The aim of this study was to research the effects of microRNA-10a (miR-10a) on synapse remodeling and neuronal cells in rats with Alzheimer's disease (AD) through BDNF-TrkB signaling pathway. Rat models of AD were established. The neuronal cells were allocated into blank, negative control (NC), miR-10a mimics, miR-10a inhibitors, K252a, and miR-10a inhibitors + K252a groups. Expressions of miR-10a, p38, PSD95, BDNF, cAMP-response element-binding protein (CREB), and tropomyosin receptor kinase B (TrkappaB) were tested using RT-qPCR and Western blotting. Neuron cell proliferation, cycle, and apoptosis were observed using Cell counting kit-8 (CCK8) assay and flow cytometry. The ultrastructure was observed under a scanning electron microscope. The miR-10a expression of AD rats increased while p38, PSD95, BDNF, CREB, and TrkappaB expression decreased compared with the normal rats. Dual luciferase reporter gene assay testified miR 10a targeted BDNF. The expressions of p38, PSD95, BDNF, CREB, and TrkappaB decreased in the miR-10a mimics and K252a groups. Compared with the blank and NC group, the miR-10a mimics and K252a groups showed inhibited cell growth rate with cells mainly rest in the G1 satge, and increased spoptosis. The miR-10a inhibitors group presented an opposite trend to the miR-10a mimics and K252a groups. The synapse was complete and abundant in the miR-10a inhibitors group while disappeared in the miR-10a mimics and K252a groups. The results indicated that miR-10a restrains synapse remodeling and neuronal cell proliferation while promoting apoptosis in AD rats via inhibiting BDNF-TrkB signaling pathway. PMID- 29215713 TI - Nicotine increases colon cancer cell migration and invasion through epithelial to mesenchymal transition (EMT): COX-2 involvement. AB - Cigarette smoking is a recognized risk factor for colon cancer and nicotine, the principal active component of tobacco, plays a pivotal role in increasing colon cancer cell growth and survival. The aim of this study was to determine the effect of nicotine on cellular Caco-2 and HCT-8 migration and invasion, focusing on epithelial to mesenchymal transition (EMT) induction, and COX-2 pathway involvement. In both these cell lines, treatment with nicotine increased COX-2 expression and the release of its enzymatic product PGE2 . Moreover, nicotine stimulated cells showed increased migratory and invasive behavior, mesenchymal markers up-regulation and epithelial markers down-regulation, nuclear translocation of the beta-catenin, increase of MMP-2 and MMP-9 activity, and enhanced NF-kappaB expression. Noticeably, all these effects are largely mediated by COX-2 activity, as simultaneous treatment of both cell lines with nicotine and NS-398, a selective COX-2 inhibitor, greatly reduced the number of migrating and invading cells and reverted nicotine-induced EMT. These findings emphasize that nicotine triggers EMT, leading hence to increased migration and invasiveness of colon cancer cells. Thereby, the use of COX-2 inhibitor drugs might likely counteract nicotine-mediated EMT effects on colon cancer development and progression. PMID- 29215714 TI - Photobiomodulation of mesenchymal stem cells encapsulated in an injectable rhBMP4 loaded hydrogel directs hard tissue bioengineering. AB - Photobiomodulation (PBM) therapy displays relevant properties for tissue healing and regeneration, which may be of interest for the tissue engineering field. Here, we show that PBM is able to improve cell survival and to interact with recombinant human Bone Morphogenetic Protein 4 (rhBMP4) to direct and accelerate odonto/osteogenic differentiation of dental derived mesenchymal stem cells (MSCs). MSCs were encapsulated in an injectable and thermo-responsive cell carrier (Pluronic(r) F-127) loaded with rhBMP4 and then photoactivated. PBM improved MSCs self-renewal and survival upon encapsulation in the Pluronic(r) F 127. In the presence of rhBMP4, cell odonto/osteogenic differentiation was premature and markedly improved in the photoactivated MSCs. An in vivo calvarial critical sized defect model demonstrated significant increase in bone formation after PBM treatment. Finally, a balance in the reactive oxygen species levels may be related to the favorable results of PBM and rhBMP4 association. PBM may act in synergism with rhBMP4 and is a promise candidate to direct and accelerate hard tissue bioengineering. PMID- 29215715 TI - HMGB1 contributes to the irradiation-induced endothelial barrier injury through receptor for advanced glycation endproducts (RAGE). AB - This study aimed to investigate whether HMGB1 (high mobility group box-1 protein) and receptor for advanced glycation end products (RAGE) were involved in the irradiation-induced endothelial barrier damage and their mechanism. We constructed the damage model of endothelium barrier model with bEnd.3 cells. The permeability of endothelial barrier was detected by sodium fluorescein (Na-F) permeation test, and the irradiation dose which could induce permeability transition was determined by being exposed to different irradiation doses (5, 10, 15, 20 Gy). MTT assay was applied to detect cell viability under different concentrations of HMGB1, glycyrrhizic acid (GA, a specific inhibitor of HMGB1), and FPS-ZM1 (a blood-brain-barrier permeant blocker of RAGE V domain-mediated ligand binding). The expression of HMGB1, RAGE, and related molecules involved in MAPK signaling pathway, MMP-2, MMP-9, ZO-1, and claudin 5 of differently treated groups were measured by qRT-PCR, western blot, and immunofluorescence. Cells possessed stable endothelial barrier function on 4-7 days after seeded on transwell plates. The permeability of endothelial barrier would change under at least 10 Gy radiation. Both radiation and HMGB1 treatment alone could improve the permeability. After irradiation, the expressions of HMGB1 and RAGE increased and MAPK signal pathway was activated. Meanwhile, MMP-2 and MMP-9 were overexpressed, while the expression of tight junction proteins ZO-1 and claudin 5 was decreased. Radiation could activate MAPK signaling pathway through promoting the expression of HMGB1 and RAGE, which further led to endothelial barrier injury and changed its permeability. PMID- 29215716 TI - Simple kinetic model of mitochondrial swelling in cardiac cells. AB - Mitochondria play an important role in both cell survival and cell death. In response to oxidative stress, they undergo opening of non-selective permeability transition pores (PTP) in the inner mitochondrial membrane. Sustained PTP opening triggers mitochondrial swelling due to increased colloidal osmotic pressure in the matrix accompanied by mitochondrial membrane depolarization and ATP hydrolysis. Mitochondrial swelling is the major factor leading to mitochondria mediated cell death through both apoptosis and necrosis. Hence, precise estimation of the threshold parameters of the transition of reversible swelling to irreversible swelling is important for understanding the mechanisms of PTP mediated cell death as well as for the development of new therapeutic approaches targeting the mitochondria under pathological conditions. In this study, we designed a simple kinetic model of the Ca2+ -induced mitochondrial swelling that describes the mechanisms of transition from reversible to irreversible swelling in cardiac mitochondria. Values of kinetic parameters calculated using parameter estimation techniques that fit experimental data of mitochondrial swelling with minimum average differences between the experimental data and model parameters. Overall, this study provides a kinetic model verified by data simulation and model fitting that adequately describes the dynamics of mitochondrial swelling. PMID- 29215717 TI - Nucleoskeletal stiffness regulates stem cell migration and differentiation through lamin A/C. AB - Stem cell-based tissue engineering provides a prospective strategy to bone tissue repair. Bone tissue repair begins at the recruitment and directional movement of stem cells, and ultimately achieved on the directional differentiation of stem cells. The migration and differentiation of stem cells are regulated by nucleoskeletal stiffness. Mechanical properties of lamin A/C contribute to the nucleoskeletal stiffness and consequently to the regulation of cell migration and differentiation. Nuclear lamin A/C determines cell migration through the regulation of nucleoskeletal stiffness and rigidity and involve in nuclear cytoskeletal coupling. Moreover, lamin A/C is the essential core module regulating stem cell differentiation. The cells with higher migration ability tend to have enhanced differentiation potential, while the optimum amount of lamin A/C in migration and differentiation of MSCs is in conflict. This contrary phenomenon may be the result of mechanical microenvironment modulation. PMID- 29215718 TI - Involvement of Smad3 pathway in atrial fibrosis induced by elevated hydrostatic pressure. AB - Hypertension is a main risk factor for atrial fibrillation, but the direct effects of hydrostatic pressure on the atrial fibrosis are still unknown. The present study investigated whether hydrostatic pressure is responsible for atrial fibrosis, and addressed a potential role of the Smad pathway in this pathology. Biochemical assays were used to study regulation and expression of fibrotic factors in spontaneously hypertensive rats (SHRs) and Wistar rats, and in cardiac fibroblasts (CFs) cultured under standard (0 mmHg) and elevated (20, 40 mmHg) hydrostatic pressure. Levels of atrial fibrosis and protein expression of fibrotic factors Col-1A1/-3A1, TGF-beta1, and MMP-2 in SHRs' left atrial tissues were higher than those in Wistar rats. Exposure to elevated pressure was associated with the proliferation of CFs. The protein expression of Col-1A1/-3A1, TGF-beta1, and MMP-2 in CFs was also up-regulated in a pressure-dependent manner. The proliferation of CFs and increased expressions of fibrotic markers induced by elevated hydrostatic pressure could be reversed by the Smad3 inhibitor naringenin. The activation of Smad3 pathway was also stimulated by elevated hydrostatic pressure. These results demonstrate that CF secretory function and proliferation can be up-regulated by exposure to elevated pressure, and that Smad3 may modulate CF activation induced by high hydrostatic pressure. PMID- 29215719 TI - Retraction: Wang, L., Ma, X., Yan, L., Wang, T., Wen, J. and Mi, G., LncRNA SNHG1 negatively regulates miR-145a-5p to enhance NUAK1 expression and promote cancer cell metastasis and invasion in nasopharyngeal carcinoma. J Cell Physiol. Accepted Author Manuscript. doi:10.1002/jcp.26340. AB - The above article from the Journal of Cellular Physiology, published online on 7 December 2017 in Wiley Online Library (wileyonlinelibrary.com), has been withdrawn by agreement between the authors, the journal Editor in Chief, Gary Stein, and Wiley Periodicals, Inc. The withdrawal has been agreed due to the article being submitted for publication without the consent of the authors' instructor. PMID- 29215720 TI - GSK3beta regulates ameloblast differentiation via Wnt and TGF-beta pathways. AB - Wnt and TGF-beta signaling pathways participate in regulating a variety of cell fates during organogenesis, including tooth development. Despite well-documented, the specific mechanisms, especially how these two pathways act coordinately in regulating enamel development, remain unknown. In this study, we identified Glycogen Synthase Kinase 3 beta (GSK3beta), a negative regulator of Wnt signal pathway, participated in ameloblast differentiation via Wnt and TGF-beta pathways during enamel development. In vitro rat mandible culture treated with specific GSK3beta inhibitor SB415286 displayed enamel defects, accompanied by disrupted ameloblasts polarization, while odontoblasts and dentin appeared to be unaffected. Moreover, after GSK3beta knockdown by lentivirus-mediated RNA silencing, HAT-7 cells displayed abnormal cell polarity and cell adhesion, and failed to synthesize appreciable amounts of ameloblast-specific proteins. More importantly, inactivation of GSK3beta caused upregulated Wnt and downregulated TGF-beta pathway, while reactivation of TGF-beta signaling or suppression of Wnt signaling partially rescued the differentiation defects of ameloblasts caused by the GSK3beta knock-down. Taken together, these results suggested that GSK3beta was essential for ameloblasts differentiation, which might be indirectly mediated through Wnt and TGF-beta signaling pathways. PMID- 29215721 TI - The biological roles and clinical implications of microRNAs in clear cell renal cell carcinoma. AB - Clear cell renal cell carcinoma (ccRCC) accounts for about 3% of tumors in adults as well as 85% of all primary renal carcinoma. And it is the third most predominant urological carcinoma, but it has the maximum mortality rate. Early diagnosis and proper follow-up of ccRCC patients may improve the prognosis of the illness. Thus, it is imperative to understand the new biomarkers of ccRCC and study new method for the modern therapy of this deadly disease. Furthermore, a large number of microRNAs (miRNAs), small non-coding RNAs, have been relevant to tumor type, stage, or survival and miRNAs might be progressed as the markers of diagnosis or prognosis in ccRCC. A growing body of data also advised the rationality of regarding miRNAs as therapeutic targets for ccRCC treatment. In this review, we tried to summarize biogenesis of miRNAs and their expression profiles, biological roles, and clinical implications in ccRCC. PMID- 29215722 TI - FGF-2 promotes osteocyte differentiation through increased E11/podoplanin expression. AB - E11/podoplanin is critical in the early stages of osteoblast-to-osteocyte transitions (osteocytogenesis), however, the upstream events which regulate E11 expression are unknown. The aim of this study was to examine the effects of FGF-2 on E11-mediated osteocytogenesis and to reveal the nature of the underlying signaling pathways regulating this process. Exposure of MC3T3 osteoblast-like cells and murine primary osteoblasts to FGF-2 (10 ng/ml) increased E11 mRNA and protein expression (p < 0.05) after 4, 6, and 24 hr. FGF-2 induced changes in E11 expression were also accompanied by significant (p < 0.01) increases in Phex and Dmp1 (osteocyte markers) expression and decreases in Col1a1, Postn, Bglap, and Alpl (osteoblast markers) expression. Immunofluorescent microscopy revealed that FGF-2 stimulated E11 expression, facilitated the translocation of E11 toward the cell membrane, and subsequently promoted the formation of osteocyte-like dendrites in MC3T3 and primary osteoblasts. siRNA knock down of E11 expression achieved >70% reduction of basal E11 mRNA expression (p < 0.05) and effectively abrogated FGF-2-related changes in E11 expression and dendrite formation. FGF-2 strongly activated the ERK signaling pathway in osteoblast-like cells but inhibition of this pathway did not block the ability of FGF-2 to enhance E11 expression or to promote acquisition of the osteocyte phenotype. The results of this study highlight a novel mechanism by which FGF-2 can regulate osteoblast differentiation and osteocyte formation. Specifically, the data suggests that FGF 2 promotes osteocytogenesis through increased E11 expression and further studies will identify if this regulatory pathway is essential for bone development and maintenance in health and disease. PMID- 29215723 TI - High cholesterol in lipid rafts reduces the sensitivity to EGFR-TKI therapy in non-small cell lung cancer. AB - Overcoming EGFR-TKI resistant which has the initial enthusiasm over substantial clinical responses is a formidable challenge on nowadays. In this study, we showed that cholesterol level in lipid rafts in gefitinib resistant non-small cell lung cancer (NSCLC) cell lines was remarkably higher than gefitinib sensitive cell line, and depletion of cholesterol increased gefitinib sensitivity. Furthermore, cholesterol-depleted enhanced gefitinib inhibit phosphorylation of EGFR, Akt-1, MEK1/2, and ERK1/2 and these were reversed in cholesterol add-back experiments. Gefitinib resistant cell lines showed high affinity of gefitinib and EGFR when cholesterol was depleted. Therefore, targeting cholesterol combined with EGFR-TKI is potentially a novel therapeutic strategy for gefitinib resistant treatment. PMID- 29215725 TI - Prognostic impact of circulating tumor cells in patients with ampullary cancer. AB - Circulating tumor cells (CTCs) are an important topic of investigation for both basic and clinical cancer research. In this prospective study, we evaluated the clinical role of CTCs in ampullary cancer. We analyzed blood samples from 62 consecutively diagnosed patients with ampullary adenocarcinoma and 24 healthy controls for their CTC content. Combined data from immunostaining of CD45, 4',6 diamidino-2-phenylindole (DAPI), and fluorescence in situ hybridization with a chromosome 8 centromere (CEP8) probe were used to identify CTCs; cells that were CD45-/DAPI+/CEP8>2 were considered CTCs. The Cox proportional hazards model was used to assess the relationship between CTCs, clinical characteristics, and patient outcomes. We detected >=2 CTCs/3.2 ml whole blood in 43 of 62 patients (69.4%), as well as >=5 CTCs/3.2 ml in 16 of these patients (25.8%). A CTC cutoff value of 2 cells/3.2 ml achieved 69.4% sensitivity and 95.8% specificity as a diagnostic tool; CTCs were associated with tumor burden. CTC levels >=3/3.2 ml (hazard ratio [HR]: 2.5, 95% confidence interval [CI]: (1.2-5.2), p = 0.014) and >=5/3.2 ml (HR: 3.5, 95% CI: 1.7-7.3, p < 0.001) were both associated with shorter disease-free survival. Moreover, >=3 CTCs/3.2 ml (HR: 2.7, 95% CI: 1.2 6.3, p = 0.019) and >=5 CTCs/3.2 ml (HR: 3.8, 95% CI: 1.8-8.5, p < 0.001) were predictive of shorter overall survival. CTC assessment may help identify patients with ampullary cancer who are at high risk of an unfavorable outcome. PMID- 29215724 TI - Pericytes modulate myelination in the central nervous system. AB - Multiple sclerosis is a highly prevalent chronic demyelinating disease of the central nervous system. Remyelination is the major therapeutic goal for this disorder. The lack of detailed knowledge about the cellular and molecular mechanisms involved in myelination restricts the design of effective treatments. A recent study by using [De La Fuente et al. (2017) Cell Reports, 20(8): 1755 1764] by using state-of-the-art techniques, including pericyte-deficient mice in combination with induced demyelination, reveal that pericytes participate in central nervous system regeneration. Strikingly, pericytes presence is essential for oligodendrocyte progenitors differentiation and myelin formation during remyelination in the brain. The emerging knowledge from this research will be important for the treatment of multiple sclerosis. PMID- 29215726 TI - Sel1l knockdown negatively influences zebrafish embryos endothelium. AB - SEL1L (suppressor/enhancer of Lin-12-like) is a highly conserved gene associated with the endoplasmic reticulum-associated degradation (ERAD) pathway and involved in mediating the balance between stem cells self-renewal and differentiation of neural progenitors. It has been recently shown that SEL1L KO mice are embryonic lethal and display altered organogenesis. To better characterize the function of SEL1L in the early stages of embryonic development, we turned to the zebrafish model (Danio rerio). After exploring sel1l expression by RT-PCR and in situ hybridization, we employed a morpholino-mediated down-regulation approach. Results showed extensive impairments in the vasculature, which supports the mice knock-out findings. PMID- 29215727 TI - Secreted frizzled-related protein 1 regulates the progression of neuropathic pain in mice following spinal nerve ligation. AB - Previous studies have shown that the Wnt/beta-catenin signaling pathway plays an important role in modulating neuropathic pain after sciatic nerve injury. In this study, we explored the role of secreted frizzled-related protein 1 (SFRP1), a Wnt antagonist, in neuropathic pain using a mouse model following spinal nerve ligation (SNL). We found SNL-induced SFRP1 downregulation in the spinal cord. Further, overexpression of SFRP1 via spinal injection into the spinal cord attenuated SNL-induced allodynia, hyperalgesia, and neuroinflammation. Consistently, in vitro assays also showed decreased expression of SFRP1 in spinal cord astrocytes after exposure to lipopolysaccharide (LPS). Overexpression of SFRP1 significantly alleviated the secretion of LPS-induced proinflammatory factors in spinal cord astrocytes. Furthermore, spinal injection of LPS-treated astrocytes induced allodynia and hyperalgesia, which were reversed by the overexpression of SFRP1 in these cells. Additionally, SNL increased Wnt3a and beta-catenin levels and also induced an increase in nuclear expression of beta catenin; these effects were all attenuated by SFRP1. Finally, we found that downregulation of SFRP1, mainly through DNA methylation, is involved in the pathogenesis of neuropathic pain. Taken together, these results suggested that the SFRP1/Wnt3a/beta-catenin signaling pathway might be a suitable therapeutic target for neuropathic pain. PMID- 29215728 TI - Multiple neuronal pathologies are common in young patients with pathologically proven Frontotemporal lobar degeneration. AB - AIMS: The past decade has seen a surge in studies identifying mixed pathologies in elderly populations. Importantly however, few studies have focussed on mixed pathology in Frontotemporal Lobar Degeneration (FTLD), particularly in younger cases. METHODS: The present study examined concomitant pathological neuronal inclusions of TDP-43, hyperphosphorylated tau and alpha-synuclein protein in the anterior cingulate, hippocampus and entorhinal cortex in young (<=65 years at death) vs. elderly (>=80 years at death) cases with pathologically confirmed FTLD (n = 52) or Alzheimer's disease (AD) (n = 47). RESULTS: Our results demonstrate the presence of additional neuronal pathologies not associated with the primary pathological diagnosis in a similar proportion of young and elderly FTLD cases, indicating that disease drivers rather than age are the major risk factors for multiple neuronal pathologies in FTLD. When only sporadic FTLD cases were considered, the proportion of cases with multiple neuronal pathologies across FTLD age cohorts remained similar, indicating that multiple neuronal pathologies in young FTLD cases is not driven by known genetic mutations. In contrast to these findings in FTLD, a significantly greater proportion of elderly compared to young AD cases demonstrated multiple neuronal pathologies, corroborating literature. CONCLUSIONS: In summary, the present study reports for the first time that age is not a major risk factor for multiple neuronal pathologies in FTLD. These findings have significant implications for the development of protein specific biomarkers and treatments for FTLD, and underscore the need for further research to identify the disease factors involved in driving multiple neuronal pathologies in FTLD. PMID- 29215729 TI - Crosstalk between adipose stem cells and tendon cells reveals a temporal regulation of tenogenesis by matrix deposition and remodeling. AB - Tendon injuries constitute an unmet clinical challenge owing to the limited intrinsic regenerative ability of this tissue. Cell-based therapies aim at improving tendon healing through the delicate orchestration of tissue rebuilding and regain of function. Hence, human adipose-derived stem cells (hASCs) have been proposed as a promising cell source for boosting tendon regeneration. In this work, we investigated the influence of hASCs on native human tendon-derived cells (hTDCs) through the establishment of a direct contact co-culture system. Results demonstrated that direct interactions between these cell types resulted in controlled proliferation and spontaneous cell elongation. ECM-related genes, particularly COL1A1 and TNC, and genes involved in ECM remodeling, such as MMP1, MMP2, MMP3, and TIMP1, were expressed in co-culture in a temporally regulated manner. In addition, deposition of collagen type I was accelerated in co-culture systems and favored over the production of collagen type III, resulting in an enhanced COL1/COL3 ratio as soon as 7 days. In conclusion, hASCs seem to be good candidates in modulating the behavior of native tendon cells, particularly through a balanced process of ECM synthesis and degradation. PMID- 29215730 TI - Non-enzymatic antioxidant accumulations in BR-deficient and BR-insensitive barley mutants under control and drought conditions. AB - Drought is one of the most adverse stresses that affect plant growth and yield. Disturbances in metabolic activity resulting from drought cause overproduction of reactive oxygen species. It is postulated that brassinosteroids (BRs) regulate plant tolerance to the stress conditions, but the underlying mechanisms remain largely unknown. An involvement of endogenous BRs in regulation of the antioxidant homeostasis is not fully clarified either. Therefore, the aim of this study was to elucidate the role of endogenous BRs in regulation of non-enzymatic antioxidants in barley (Hordeum vulgare) under control and drought conditions. The plant material included the 'Bowman' cultivar and a group of semi-dwarf near isogenic lines (NILs), representing mutants deficient in BR biosynthesis or signaling. In general, accumulations of 11 compounds representing various types of non-enzymatic antioxidants were analyzed under both conditions. The analyses of accumulations of reduced and oxidized forms of ascorbate indicated that the BR mutants contain significantly higher contents of dehydroascorbic acid under drought conditions when compared with the 'Bowman' cultivar. The analysis of glutathione accumulation indicated that under the control conditions the BR insensitive NILs contained significantly lower concentrations of this antioxidant when compared with the rest of genotypes. Therefore, we postulate that BR sensitivity is required for normal accumulation of glutathione. A complete accumulation profile of various tocopherols indicated that functional BR biosynthesis and signaling are required for their normal accumulation under both conditions. Results of this study provided an insight into the role of endogenous BRs in regulation of the non-enzymatic antioxidant homeostasis. PMID- 29215731 TI - Eucalyptol Protects Lungs against Bacterial Invasion through Attenuating Ciliated Cell Damage and Suppressing MUC5AC Expression. AB - This study was conducted to investigate whether Eucalyptol plays a role in influencing bacterial growth in cigarette smoke exposed lungs. Rats were exposed to air (control) and cigarette smoke (smoking) in presence and absence of Eucalyptol (260 mg/day). Morphological analysis of lung structures and status of airway mucous production were observed under a microscope. Pathological changes of ciliated columnar epithelium in airways were examined using transmission electron microscopy. MUC5AC protein and mRNA expression in bronchoalveolar lavage fluid (BALF) and lungs were determined. Application of Eucalyptol reduced pulmonary bullae formation and airway mucus overproduction in the smoke exposed lungs. Treatment with Eucalyptol attenuated ciliated cell damage in cigarette smoke exposed lungs. Bacterial colonies of lungs were obviously lower in the Eucalyptol treated rats than that in the smoking rats (P < 0.01). Treatment with Eucalyptol reduced the counts of bacterial colonization residing in the challenged lungs (P < 0.01). Application of Eucalyptol not only decreased MUC5AC protein expression in BALF and tobacco-exposed lungs but also suppressed its mRNA expression in the lungs (all P < 0.05). Intervention of Eucalyptol benefits elimination of bacterial organisms from tobacco exposed lungs through attenuating ciliated cell damage and suppressing MUC5AC expression in the lungs. This article is protected by copyright. All rights reserved. PMID- 29215732 TI - Silicon affects seed development and leaf macrohair formation in Brachypodium distachyon. AB - Silicon (Si) has many beneficial effects in plants, especially for the survival from biotic and abiotic stresses. However, Si may negatively affect the quality of lignocellulosic biomass for bioenergy purposes. Despite many studies, the regulation of Si distribution and deposition in plants remains to be fully understood. Here, we have identified the Brachypodium distachyon mutant low silicon 1 (Bdlsi1-1), with impaired channeling function of the Si influx transporter BdLSI1, resulting in a substantial reduction of Si in shoots. Bioimaging by laser ablation-inductively coupled plasma-mass spectrometry showed that the wild-type plants deposited Si mainly in the bracts, awns and leaf macrohairs. The Bdlsi1-1 mutants showed substantial (>90%) reduction of Si in the mature shoots. The Bdlsi1-1 leaves had fewer, shorter macrohairs, but the overall pattern of Si distribution in bracts and leaf tissues was similar to that in the wild-type. The Bdlsi1-1 plants supplied with Si had significantly lower seed weights, compared to the wild-type. In low-Si media, the seed weight of wild-type plants was similar to that of Bdlsi1-1 mutants supplied with Si, while the Bdlsi1 1 seed weight decreased further. We conclude that Si deficiency results in widespread alterations in leaf surface morphology and seed formation in Brachypodium, showing the importance of Si for successful development in grasses. PMID- 29215733 TI - Sonic hedgehog signaling mediates resveratrol to improve maturation of pig oocytes in vitro and subsequent preimplantation embryo development. AB - The beneficial effects of resveratrol on in vitro maturation (IVM) have been explained mainly by indirect antioxidant effects and limited information is available on the underlying mechanism by which resveratrol acts directly on porcine cumulus oocyte complexes (COCs). Recently, several studies reported that sonic hedgehog (SHH) signaling mediates resveratrol to exert its biological activities. Furthermore, SHH is an important signaling molecule for follicle development, oocyte maturation, and embryo development. Therefore, to elucidate the relationship between resveratrol and SHH signaling, we designed three groups: (i) control; (ii) resveratrol; and (iii) resveratrol with cyclopamine (SHH signaling inhibitor). We evaluated the effects of these agents on cumulus expansion, oocyte maturation, embryo development after parthenogenetic activation, expression levels of mRNAs in cumulus cells, oocytes and blastocysts, and protein expression in COCs. Resveratrol significantly increased the proportion of COCs exhibiting complete cumulus expansion (degree 4), oocyte nuclear maturation, cleavage and blastocyst formation rates and total cell numbers, which were blocked in the presence of cyclopamine. At the same time, a significant increase in the expression levels of mRNAs related to cumulus expansion, oocyte maturation and SHH signaling-related mRNAs and proteins from the resveratrol treatment group was also inhibited by simultaneous addition of cyclopamine. In conclusion, our results indicate that SHH signaling mediates resveratrol to improve porcine cumulus expansion, oocyte maturation, and subsequent embryo development. PMID- 29215734 TI - Study on mechanism about long noncoding RNA MALAT1 affecting pancreatic cancer by regulating Hippo-YAP signaling. AB - By investigating the migration and invasion ability in pancreatic cancer, this study probed into the lncRNA MALAT1 molecular mechanism on Hippo-YAP signaling. The expression of lncRNA MALAT1 in PC tissues and cells was detected by qRT-PCR and Western blot. The effect of si-MALAT1 on proliferation was determined by CCK 8 assay. Cell apoptosis, migration, and invasion were respectively detected by flow cytometry assay, wound healing assay, and transwell assay. Western blot and immunohistochemistry were successively used for detecting LATS1 and YAP1 expression in pancreatic cancer tissues. The microarray analysis determined that lncRNA MALAT1 in pancreatic cancer was highly expressed. LncRNA MALAT1 presented an extremely high expression level in pancreatic cancer tissues and cells. After transfected with si-MALAT1, the proliferation of AsPC-1 cells decreased, induce apoptosis of AsPC-1 cells, and migration and invasion ability were reduced. The tendency of LATS1 expression level was down-regulated and YAP1 show the opposite trend in the Hippo-YAP signaling. The in vivo assay was found that the tumor to be small in size and volume, and the expression of Ki-67 was decreased. High expression of lncRNA MALAT1 in PC disorder the proliferation, apoptosis, and migration and invasion ability via influence Hippo-YAP signaling pathway. PMID- 29215736 TI - Protective effect of epigenetic silencing of CyclinD1 against spinal cord injury using bone marrow-derived mesenchymal stem cells in rats. AB - This study focuses on the protective effect of epigenetic silencing of CyclinD1 against spinal cord injury (SCI) using bone marrow-derived mesenchymal stem cells (BMSCs) in rats. Eighty-eight adult female Wistar rats were randomly assigned into the sham group, the control group, the si-CyclinD1 + BMSCs group and the BMSCs group. CyclinD1 protein and mRNA expressions after siRNA transfection were detected by Western blotting and qRT-PCR. The siRNA-CyclinD1 BMSCs were transplanted into rats in the si-CyclinD1 + BMSCs group using stereotaxic method 6 hr after SCI. Hindlimb locomotor performance was determined using inclined plane test and Basso-Beattie-Bresnahan (BBB) locomotor rating scale. Expressions of glial fibrillary acidic protein (GFAP) and nerve growth factor (NGF) were detected by immunohistochemistry. Inclined plane and BBB scores in the control, si-CyclinD1 + BMSCs, and BMSCs groups were significantly lower than the sham group, but these scores were evidently decreased in the control group and increased in the si-CyclinD1 + BMSCs group compared with the BMSCs group. The repair degree of spinal cord tissues of rats in the si-CyclinD1 + BMSCs group was obvious than the BMSCs group. GFAP and NGF protein expressions were markedly decreased in the control, si-CyclinD1 + BMSCs and BMSCs groups when compared with the sham group. GFAP- and NGF-positive cells were significantly increased in the si-CyclinD1 + BMSCs group while decreased in the control group. Our study provides evidence that epigenetic silencing of CyclinD1 using BMSCs might accelerate the repair of SCI in rats. PMID- 29215735 TI - Vacuolated PAS-positive lymphocytes as an hallmark of Pompe disease and other myopathies related to impaired autophagy. AB - Autosomal recessive Pompe disease is a lysosomal disorder caused by mutations of the acid-alpha-glucosidase (GAA) gene. Deficiency of GAA enzyme leads to glycogen accumulation and autophagy impairment in cardiac and skeletal muscles, but also in lymphocytes. Since an effective therapy is available, a rapid, sensitive, and specific test is crucial to early identify affected subjects. Number of lymphocytes containing PAS-positive vacuoles was evaluated on blood films from 72 consecutive adult patients with hyperckemia and/or muscle weakness, 13 genetically confirmed late-onset-Pompe-disease (LOPD) and 13 of their offspring. GAA activity, measured on dried blood spot (DBS) in all patients inversely correlated with number of PAS-positive lymphocytes. More than 4 PAS-positive lymphocytes were found in 11 out of the 72 patients (6 new diagnosis of LOPD, 3 different glycogen storage myopathies, 1 glucose-6-phosphate dehydrogenase deficiency, 1 caveolinopathy), in all 13 LOPD patients and in the 13 LOPD offspring. These latter resulted to have all a single GAA mutation but low GAA levels. Immunostaining with the autophagy markers LC3 and p62 confirmed the autophagic nature of lymphocytes vacuoles. ROC curve assessment of PAS-positive lymphocytes disclosed 100% of sensitivity and 94% of specificity in recognizing both compound heterozygous and heterozygous GAA carriers. The other myopathies with more than 4 PAS-positive lymphocytes appeared to be all related to impaired autophagy, which seems to be responsible of PAS-positive vacuolated lymphocytes formation. Quantification of PAS-positive lymphocytes in blood films is useful to identify autophagic vacuolar myopathies and should be routinely used as first level test for Pompe disease. PMID- 29215737 TI - Nitric oxide as a signaling molecule in brassinosteroid-mediated virus resistance to Cucumber mosaic virus in Arabidopsis thaliana. AB - Brassinosteroids (BRs) are growth-promoting plant hormones that play a crucial role in biotic stress responses. Here, we found that BR treatment increased nitric oxide (NO) accumulation, and a significant reduction of virus accumulation in Arabidopsis thaliana. However, the plants pre-treated with NO scavenger [2-(4 carboxyphenyl)-4,4,5,5-tetramethyl-imidazoline-1-1-oxyl-3-oxide (PTIO)] or nitrate reductase (NR) inhibitor (tungstate) hardly had any NO generation and appeared to have the highest viral replication and suffer more damages. Furthermore, the antioxidant system and photosystem parameters were up-regulated in brassinolide (BL)-treated plants but down regulated in PTIO- or tungstate treated plants, suggesting NO may be involved in BRs-induced virus resistance in Arabidopsis. Further evidence showed that NIA1 pathway was responsible for BR induced NO accumulation in Arabidopsis. These results indicated that NO participated in the BRs-induced systemic resistance in Arabidopsis. As BL treatment could not increase NO levels in nia1 plants in comparison to nia2 plants. And nia1 mutant exhibited decreased virus resistance relative to Col-0 or nia2 plants after BL treatment. Taken together, our study addressed that NIA1 mediated NO biosynthesis is involved in BRs-mediated virus resistance in A. thaliana. PMID- 29215738 TI - Electronic cigarette: A recent update of its toxic effects on humans. AB - Electronic cigarettes (e-cigarettes), battery-powered and liquid-vaporizing devices, were invented to replace the conventional cigarette (c-cigarette) smoking for the sake of reducing the adverse effects on multiple organ systems that c-cigarettes have induced. Although some of the identified harmful components in e-cigarettes were alleged to be measured in lower quantity than those in c-cigarettes, researchers unveiled that the toxic effects of e cigarettes should not be understated. This review is sought for an attempt to throw light on several typical types of e-cigarette components (tobacco-specific nitrosamines, carbonyl compounds, and volatile organic compounds) by revealing their possible impacts on human bodies through different action mechanisms characterized by alteration of specific biomarkers on cellular and molecular levels. In addition, this review is intended to draw the limelight that like c cigarettes, e-cigarettes could also be accompanied with toxic effects on whole human body, which are especially apparent on respiratory system. From head to foot, from physical aspect to chemical aspect, from genotype to phenotype, potential alterations will take place upon the intake of the liquid aerosol. PMID- 29215739 TI - The acclimatised spinal cord. PMID- 29215740 TI - The STAT3/NFIL3 signaling axis-mediated chemotherapy resistance is reversed by Raddeanin A via inducing apoptosis in choriocarcinoma cells. AB - Chemotherapy resistance is the major issue of choriocarcinoma. Apoptosis always is the ultimate outcome of chemotherapeutic drugs, which considered one of the reasons of resistance. We investigated the role of STAT3/NFIL3 signaling inhibited apoptosis in chemotherapy resistance and whether Raddeanin A (RA) could be a new drug to reverse resistance. Established three drug-resistant cell lines as JEG-3/MTX, JEG-3/5-FU, and JEG-3/VP16. NFIL3 and STAT3 expression was evaluated in the cells. The IC50 value, apoptosis rate and apoptins were observed with transfection of siNFIL3, Lenti-OETM-NFIL3, shSTAT3, and Lenti-OETM-STAT3 or RA treatment. In addition, the luciferase reporter analysis and co immunoprecipitation assays were used to investigate the relation of STAT3 and NFIL3. Hyper-activation of STAT3 and NFIL3 expression were observed in three drug resistant cell lines. STAT3 enhanced NFIL3 transcriptional activity by binding the relative promoter region. Activated STAT3/NFIL3 pathway caused low rate of apoptosis which resulted in chemotherapy resistance. RA reduced the resistance index of resistant cells and induced caspase 3 dependent apoptosis, meanwhile it repressed the STAT3/NFIL3 activation. STAT3/NFIL3 axis-inhibited apoptosis is a novel mechanism of chemotherapy resistance in choriocarcinoma. With the suppression of STAT3/NFIL3 axis and apoptosis induction, RA is a potential agent or lead candidate for improving chemotherapy. PMID- 29215742 TI - Effects of small interfering RNA targeting TLR4 on expressions of adipocytokines in obstructive sleep apnea hyponea syndrome with hypertension in a rat model. AB - We explored the effects of RNA interference-mediated silencing of TLR4 gene on expressions of adipocytokines in obstructive sleep apnea hyponea syndrome (OSAS) with hypertension in a rat model. Systolic blood pressure of caudal artery and physiological changes were observed when establishing rat models of OSAS with hypertension. Mature rat adipocytes were induced from separated and cultured primary rat adipocytes. To transfect rat mature adipocytes, TLR4 siRNA group and negative control (NC) siRNA group were established. Expressions of TLR4 mRNA of adipocytes were examined after silenced by siRNA by quantitative real-time polymerase chain reaction (qRT-PCR). By enzyme-linked immunosorbent assay (ELISA), expressions of inflammatory cytokines, and adipocytokines of adipocytes were detected. Blood pressure in rat caudal artery was higher in the intermittent hypoxia group than that of the blank control group by 29.87 mmHg, and cardiocytes in the former group showed physiological changes, which indicated successful establishment of rat models of OSAS with hypertension. Red particles could be seen in mature rat adipocytes when stained with Oil Red O. Transfection of TLR4 mRNA was significantly suppressed in the TLR4 siRNA group, which didn't happen in the untransfected control group. Rats in the TLR4 siRNA group had significantly reduced expressions of such inflammatory cytokines as interleukin-6 (IL-6), interleukin-8 (IL-8), and tumor necrosis factor-alpha (TNF-alpha) and such adipocytokines as visfatin, adiponectin (ADN), and leptin than those in the untransfected control group. RNA interference-mediated silencing of TLR4 gene could regulate occurrence and development of OSAS with hypertension in rats by downregulating expressions of adipocytokines. PMID- 29215741 TI - Analysis of sensitive skin barrier function: basic indicators and sebum composition. AB - OBJECTIVES: Sensitive skin (SS) is a condition characterised by high reactivity, low tolerance, and susceptibility to allergies of the skin. Owing to changes in the environment and marketing strategies, as well as the increasing public awareness about skin care, attention to skin condition is gradually increasing. The aim of this study is to explore the differences in the skin barrier of SS and normal skin (NS). METHODS: A questionnaire survey was conducted and basic indicators of the skin barrier were analysed. It was found that sebum secretion in the SS group was lower than that in the NS group, suggesting that the development of SS might be associated with sebum secretion and its specific components. Next, an ultra performance liquid chromatography-quadruple time-of flight mass spectrometer was used to identify facial sebum components in female volunteers. RESULTS: The results showed that the sebum of female volunteers with SS had high levels of ceramides, glycerophosphoethanolamines, and diacylglycerols, and low levels of glucosylceramides, glycerophosphoserines, glycerophosphocholines, and triacylglycerols. CONCLUSION: Analysis of lipid functions suggested that the main reason for SS development in women might be a barrier dysfunction caused by excessive apoptosis and lack of water. Therefore, anti-allergy additives in cosmetic products that could inhibit apoptosis of keratinocytes and methods to maintain the stability of water molecules in the skin should be further studied. PMID- 29215743 TI - Driven exercise in the absence of binge eating: Implications for purging disorder. AB - OBJECTIVE: Purging disorder (PD) is characterized by recurrent purging without objectively large binge-eating episodes. PD has received relatively little attention, and questions remain about the clinical significance of "purging" by exercise that is driven or compulsive (i.e., as extreme compensatory or weight control behavior). The little available research suggests that individuals who use exercise as a compensatory behavior might have less eating-disorder psychopathology than those who purge by vomiting or laxatives, but those studies have had smaller sample sizes, defined PD using low-frequency thresholds, and defined exercise without weight-compensatory or driven elements. METHOD: Participants (N = 2,017) completed a web-based survey with established measures of eating-disorder psychopathology, depression, and physical activity. Participants were categorized (regular compensatory driven exercise, PD-E, n = 297; regular compensatory vomiting/laxatives, PD-VL, n = 59; broadly defined anorexia nervosa, AN, n = 20; and no eating-disordered behaviors, NED, n = 1,658) and compared. RESULTS: PD-E, PD-VL, and AN had higher eating-disorder psychopathology and physical activity than NED but did not significantly differ from each other on most domains. PD-VL and AN had higher depression than PD-E, which was higher than NED. DISCUSSION: Findings suggest that among participants with regularly compensatory behaviors without binge eating, those who use exercise alone have similar levels of associated eating-disorder psychopathology as those who use vomiting/laxatives, although they have lower depression levels and overall frequency of purging. Findings provide further support for the clinical significance of PD. Clinicians and researchers should recognize the severity of driven exercise as a compensatory behavior, and the need for further epidemiological and treatment research. PMID- 29215744 TI - Identification of virus-derived siRNAs and their targets in RBSDV-infected rice by deep sequencing. AB - RNA interference (RNAi) is a conserved mechanism against viruses in plants and animals. It is thought to inactivate the viral genome by producing virus-derived small interfering RNAs (vsiRNAs). Rice black-streaked dwarf virus (RBSDV) is transmitted to plants by the small brown planthopper (Laodelphax striatellus), and seriously threatens production of rice in East Asia, particularly Oryza sativa japonica subspecies. Through deep sequencing, genome-wide comparisons of RBSDV-derived vsiRNAs were made between the japonica variety Nipponbare, and the indica variety 9311. Four small RNA libraries were constructed from the leaves and shoots of each variety. We found 659,756 unique vsiRNAs in the four samples, and only 43,485 reads were commonly shared. The size distributions of vsiRNAs were mostly 21- and 22-nt long, and A/U bias (66-68%) existed at the first nucleotide of vsiRNAs. Additionally, vsiRNAs were continuously but heterogeneously distributed along S1-S10 segments of the RBSDV genome. Distribution profiles of vsiRNA hotspots were similar in different hosts and tissues, and the 5'- and 3'-terminal regions of S4, S5, and S8 had more hotspots. Distribution and abundance of RBSDV vsiRNAs could be useful in designing efficient targets for exploiting RNA interference for virus resistance. Degradome analysis found 25 and 11 host genes appeared to be targeted by vsiRNAs in 9311 and Nipponbare. We report for the first time vsiRNAs derived from RBSDV-infected rice. PMID- 29215745 TI - Impacts of long-term precipitation manipulation on hydraulic architecture and xylem anatomy of pinon and juniper in Southwest USA. AB - Hydraulic architecture imposes a fundamental control on water transport, underpinning plant productivity, and survival. The extent to which hydraulic architecture of mature trees acclimates to chronic drought is poorly understood, limiting accuracy in predictions of forest responses to future droughts. We measured seasonal shoot hydraulic performance for multiple years to assess xylem acclimation in mature pinon (Pinus edulis) and juniper (Juniperus monosperma) after 3+ years of precipitation manipulation. Our treatments consisted of water addition (+20% ambient precipitation), partial precipitation-exclusion (-45% ambient precipitation), and exclusion-structure control. Supplemental watering elevated leaf water potential, sapwood-area specific hydraulic conductivity, and leaf-area specific hydraulic conductivity relative to precipitation exclusion. Shifts in allocation of leaf area to sapwood area enhanced differences between irrigated and droughted KL in pinon but not juniper. Pinon and juniper achieved similar KL under ambient conditions, but juniper matched or outperformed pinon in all physiological measurements under both increased and decreased precipitation treatments. Embolism vulnerability and xylem anatomy were unaffected by treatments in either species. Absence of significant acclimation combined with inferior performance for both hydraulic transport and safety suggests pinon has greater risk of local extirpation if aridity increases as predicted in the southwestern USA. PMID- 29215746 TI - Reactive oxygen species and colorectal cancer. AB - Colorectal cancer (CRC) has become the fourth leading cause of cancer-related death in the worldwide. It is urgent to find more effective therapeutic strategies for it. Reactive oxygen species (ROS) play multiple roles in normal cellular physiology processes. Thus, a certain level of ROS is essential to keep normal cellular function. However, the accumulation of ROS shows dual roles for cells, which is mainly dependent on the concentration of ROS, the origin of the cancer cell and the activated signaling pathways during tumor progression. In general, moderate level of ROS leads to cell damage, DNA mutation and inflammation, which promotes the initiation and development of cancer. Excessive high level of ROS induces cancer cell death, showing an anti-cancer role. ROS are commonly higher in CRC cells than their normal counterpart cells. Therefore, it is possible that ROS induce cell death in cancer cells while not affecting the normal cells, demonstrating lower side effects. Besides, ROS also play a role in tumor microenvironment and drug resistance. These multiple roles of ROS make them a promising therapeutic target for cancer. To explore potential ROS-target therapies against CRC, it is worth to comprehensively understanding the role of ROS in CRC and therapy. In this review, we mainly discuss the strategies of ROS in CRC therapy, including direct CRC cell target and indirect tumor environment target. In addition, the influences of ROS in drug resistance will also been discussed. PMID- 29215747 TI - Nanoliposomes as the adjuvant delivery systems in cancer immunotherapy. AB - Cancer immunotherapy is one of the commonly used methods in the treatment of cancer. The aim of this approach is to strengthen or restore immune function for effective diagnosis of aberrant cells antigens. For this reason, cancer specific peptides or proteins are used as antigens to induce an immune response capable of removing cancer cells. Liposomal formulations are an important carrier system frequently used for delivery of antigen because the specific properties of this component such as lipid composition, charge, size, encapsulation of antigens, or adjuvants can be changed. Among different types of liposomal formulations, the use of cationic and pH-sensitive nanoliposomes has been markedly increased for liposome-based vaccines. In this review, we describe the properties of nanoliposomes as delivery systems for cancer immunotherapy. PMID- 29215748 TI - Reliability and validity of the Experiences in Close Relationships Scale-12: Attachment dimensions in a clinical sample with eating disorders. AB - OBJECTIVE: Attachment insecurity is a potential risk factor for the development and maintenance of eating disorders (EDs). To date, there are multiple psychometrically sound questionnaires for the evaluation of attachment in both clinical and healthy populations, such as the Experience in Close Relationships (ECR) scale. Composed by two subscales (i.e., attachment anxiety and avoidance), the ECR scale was recently adapted to a shorter, 12-item version (ECR-12). However, a validation of the ECR-12 among patients with EDs is still lacking. The present study sought to investigate the psychometric properties of the ECR-12, when used in a treatment-seeking sample with EDs. METHOD: A total of 1,262 treatment-seeking patients with various ED diagnoses completed the ECR-12, together with a commonly used measure of ED psychopathology (Eating Disorder Inventory-2). Subsamples also completed the Attachment Style Questionnaire (n = 66) or underwent a Day Hospital Program (n = 128). RESULTS: A multigroup confirmatory factor analysis indicated that the ECR-12 maintained its two-factor structure across the ED diagnostic groups. In addition, the scale demonstrated good convergent validity, internal consistency, concurrent, and incremental validity. Finally, both ECR-12 subscales demonstrated adequate test-retest reliability. DISCUSSION: Our results provide preliminary evidence of the psychometric properties of ECR-12 in assessing attachment anxiety and avoidance among patients with EDs. This short scale could help clinicians tailor interventions for EDs that take into account attachment dimensions. PMID- 29215749 TI - Building evidence for the use of descriptive subtypes in youth with avoidant restrictive food intake disorder. AB - OBJECTIVE: To examine characteristics of patients with Avoidant/Restrictive Food Intake Disorder (ARFID) in an effort to identify and describe subtypes of the disorder. METHOD: A retrospective chart review was completed for patients aged 8 17 years assessed over a 17-year period. RESULTS: Seventy-seven patients were included in the study, the majority of whom were female (n = 56, 73%). The average age of patients was 13.7 years (SD = 2.4 years). Three specific subtypes of ARFID (aligning with example presentations outlined in the DSM-5) were identified: (a) those with weight loss and/or medical compromise as a consequence of apparent lack of interest in eating (n = 30, 39%); (b) restriction arising as a result of sensory sensitivity (n = 14, 18%); and (c) restriction based upon food avoidance and/or fear of aversive consequences of eating (n = 33, 43%). Clinical characteristics of patients varied depending on the assigned subtype. DISCUSSION: Our findings highlight the need for further research into the relative merit of subtype-assignment in patients with ARFID and whether such practice would aid in the recommended treatment. Further research is required to understand whether these categories are generalizable and applicable to other samples such as young children or adults with ARFID, and how treatment options might differ according to subtype. PMID- 29215750 TI - Questionnaire-based problematic relationship to eating and food is associated with 25 year body mass index trajectories during midlife: The Coronary Artery Risk Development In Young Adults (CARDIA) Study. AB - OBJECTIVE: Problematic eating behaviors and attitudes are of public health concern. Questionnaire-based assessment of these behaviors is important for large scale research on eating behaviors. The questionnaire on eating and weight patterns-revised (QEWP-R) measures potential problematic behaviors and attitudes toward food (including anxieties, compensatory actions, overeating and loss of control, dieting, and shape concerns) that in aggregate may indicate diagnosable eating disorders. An important question regards the prevalence of these issues and their longitudinal associations with body mass index (BMI) in generally healthy middle aged adults. METHOD: Based on eight constructs measured on QEWP-R, we created a new problematic relationship to eating and food (PREF) scale by assigning a point for each construct endorsed. Analyses were conducted in 3,892 black and white men and women participating in the community-based Coronary Artery Risk Development in Young Adults (CARDIA) Study. The QEWP-R was administered in CARDIA year 10, when participants were aged 27-41 years. We used linear regression to model the relationship of individual constructs and the PREF scale to BMI over CARDIA follow-up. RESULTS: Fifty-five percent of participants had 1-5 points and 4% had 6-8 points on the PREF scale. Each separate construct was positively associated with BMI, except concern about weight and shape. Adjusting for age, race, sex, education, and study center, mean BMI at CARDIA year 10, the time of PREF assessment, was approximately 1.0-2.5 kg/m2 higher per PREF category. CONCLUSION: In middle age, problematic behaviors and attitudes toward food were common and associated with higher BMI. PMID- 29215751 TI - Proteomic response of the rat liver in differential swimming modes. AB - Moderate exercise helps improve competition results, providing a balanced muscle tone and biochemical activity, whereas excessive training disrupts the balance between training and recovery, causes harm to the organism, and leads to overtraining syndrome (OTS). To explore the mechanisms of different protein expressions during training and acquisition of immunity, we used proteomic analyses to investigate the differences of liver-protein expressions between 2 swimming modes. Sprague-Dawley rats were randomly divided into control (CT), fatigue training (FT), and exhaustive training (ET) groups, and liver tissues from each group were subjected to 2-dimensional electrophoresis (2DE). A total of 4518 protein spots were detected in 9 replicates, and 45 protein spots exhibited a >2-fold difference in expression (P < .05), 31 of which was successfully identified by mass spectrometry. SERPINA3K expression decreased markedly during 2 stages from CT -> FT and FT -> ET, while DDT, RHOT1, and RBP4 decreased significantly only from CT -> ET but not from the former 2 stages. By contrast, KRT8, PCBD1, KRT18, PRDX1, and ACY1A showed significant >2-fold increase in expression in either the CT -> FT or FT -> ET stages. Bioinformatic analyses showed that among the identified proteins, 30.2%, 54.18%, and 15.62% were involved in biological processes, molecular functions, and cell composition, respectively. Notably, PCBD1, PRDX1, and PPP1CB were involved in redox processes, while PPP1CB was only expressed in the FT group. RGN, PSMB9, and AGT, commonly recognized as oxidative stress biomarkers, may involve in regulating homeostasis in the locomotor mode and may provide diagnostic criteria for the occurrence and prevention of exercise-induced fatigue and OTS. PMID- 29215752 TI - Familial tauopathy with P364S MAPT mutation: clinical course, neuropathology and ultrastructure of neuronal tau inclusions. AB - AIMS: This report presents the clinical course, neuropathology and ultrastructure of neuronal tau inclusions of four Slovene relatives with P364S MAPT mutation. METHODS: The clinical history of three out of four P364S MAPT mutation carriers was taken. After formalin fixation, thorough sampling of the central nervous system was followed by paraffin embedding, H&E, Gallyas, Bielschowsky and immunostaining with AT8, anti-3R, anti-4R tau, anti-amyloid-beta, anti-TDP43 and anti-alpha-synuclein antibodies. The distribution and density of different types of neuronal tau inclusions were semiquantitatively assessed. In addition, the ultrastructure of neuronal tau inclusions was analysed. RESULTS: Macroscopic examination of the brains was unremarkable. Microscopically, neuronal tau inclusions of almost all known types were widespread and distributed fairly uniformly in all cases. Pick bodies and swollen neurones were found in only one family member. Mutant tau was composed of 3R and 4R isoforms, with a slight predominance of 3R tau. Composite neuronal tau inclusion (CNTI), found in all four relatives, was a hallmark of the P364S MAPT mutation. CNTI showed compartmental differences in H&E and Gallyas staining, tau isoforms immunolabelling and ultrastructure, displaying fuzzy fibrils in the core and paired twisted tubules at the periphery. CONCLUSIONS: P364S MAPT mutation is characterized clinically by a variable combination of frontotemporal dementia, parkinsonism and motor neurone disease of short duration, and neuropathologically by a widespread uniform distribution of all known neuronal tau inclusions in one family member. Two-compartment CNTI is a unique characteristic of the P364S MAPT mutation. PMID- 29215753 TI - Combined annotation-dependent depletion score for BRCA1/2 variants in patients with breast and/or ovarian cancer. AB - Utility of combined annotation-dependent depletion (CADD) score was recently reported to rank pathogenicity as C-scores ranging 1-99 for both confirmed deleterious mutation. Using C-scores for BRCA1/2 variants, we tried to constitute the classification system for variant of uncertain significance (VUS), which had been a major problem of genetic testing for hereditary breast and/or ovarian cancer. We analyzed BRCA1/2 genes for 283 patients with breast and/or ovarian cancer. The deleterious mutation and missesne mutations, minor variant, and wild type of BRCA1 and -2 were 5, 27, 251 and 15, 85, 183, respectively. Meanwhile, the variants with C-score >=10 were involved in 19/283 (6.7%) in BRCA1 and 34/283 (12%) in BRCA2. All deleterious mutations were included in this group. Frequency of personal history and family history of ovarian cancer were significantly high, and frequency of serous adenocarcinoma of ovary and triple negative breast cancer was relatively high in the group with deleterious mutations. Similar findings were seen in patients with variants of C-score >=10. According to the C-score and population frequency, we could define VUS for 11 patients out of 283 patients (3.9 CADD is useful to classify the variant of BRCA1/2 and selecting the patient who needs further segregation studies. PMID- 29215754 TI - Inhibition of JAK2/STAT3 reduces tumor-induced angiogenesis and myeloid-derived suppressor cells in head and neck cancer. AB - Angiogenesis is an essential event in tumor growth and metastasis, and immune system also contributes to the tumor evasion. Emerging evidences have suggested the bidirectional link between angiogenesis and immunosuppression. Myeloid derived suppressor cell (MDSC) is a kind of immunosuppressive cells and plays an important role in this process. However, the actual regulatory mechanisms of angiogenesis and MDSCs in head and neck squamous cell carcinoma (HNSCC) were unclear. In this study, through analyzing the immunohistochemistry staining of human HNSCC tissue microarray, we found that the microvascular density (MVD) was significantly increased in HNSCC patients. We also characterized angiogenic factors p-STAT3, VEGFA, CK2, and MDSCs marker CD11b in HNSCC tissue array, and found the close expression correlation among these markers. To determine the role of JAK2/STAT3 pathway in tumor microenvironment of HNSCC, we utilized AG490 (an inhibitor of JAK2/STAT3) for further research. Results showed that inhibition of JAK2/STAT3 suppressed angiogenesis by decreasing VEGFA and HIF1-alpha both in vitro and vivo. Moreover, in HNSCC transgenic mouse model, inhibiting JAK2/STAT3 not only suppressed angiogenesis but also reduced MDSCs in the tumor microenvironment through suppressing VEGFA and CK2. Our findings demonstrated the close relationship between angiogenesis and MDSCs in HNSCC, and inhibition of JAK2/STAT3 could reduce tumor-induced angiogenesis and decrease MDSCs. PMID- 29215755 TI - Apelin/APJ system: A critical regulator of vascular smooth muscle cell. AB - APJ, an orphan G protein-coupled receptor, is first identified through homology cloning in 1993. Apelin is endogenous ligand of APJ extracted from bovine stomach tissue in 1998. Apelin/APJ system is widely expressed in many kinds of cells such as endothelial cells, cardiomyocytes, especially vascular smooth muscle cell. Vascular smooth muscle cell (VSMC), an integral part of the vascular wall, takes part in many normal physiological processes. Our experiment firstly finds that apelin/APJ system enhances VSMC proliferation by ERK1/2-cyclin D1 signal pathway. Accumulating studies also show that apelin/APJ system plays a pivotal role in mediating the function of VSMC. In this paper, we review the exact role of apelin/APJ system in VSMC, including induction of proliferation and migration, enhance of contraction and relaxation, inhibition of calcification. Furthermore, we discuss the role of apelin/APJ system in vascular diseases, such as atherosclerosis, hypertension, and chronic kidney disease (CKD) from the point of VSMC. Above all, apelin/APJ system is a promising target for managing vascular disease. PMID- 29215756 TI - Downregulation of regulatory T cell function in patients with delayed fracture healing. AB - Bone fracture healing is a multistage regenerative process that requires the collaboration of various cell types, with approximately 5%-10% of fractures not healing properly. Accumulating evidence suggests that dysregulations in the immune system are associated with defective healing. In a cohort of 30 bone fracture patients between 50 and 62 years of age, 8 patients displayed delayed healing. Compared to the 22 normal healing patients, these 8 delayed healing patients presented significantly lower frequencies of CD4+ CD25hi Foxp3+ canonical regulatory T cells immediately following bone fracture and early on during the healing process. The CD4+ CD25+/hi T cells from delayed healing patients also presented reduced capacity to express transforming growth factor beta (TGF-beta), and presented reduced surface expression levels of inhibitory molecules, including CTLA-4 and Lag-3, compared to CD4+ CD25+/hi T cells from normal healing patients. Moreover, CD4+ CD25+/hi T cells from delayed healing patients were less potent in the suppression of CD4+ CD25- autologous conventional T cell proliferation, and presented reduced expansion capacity in response to interleukin (IL)-2 stimulation. Overall, our results demonstrated multiple reductions in regulatory T cell function in delayed healing patients that could produce long-lasting consequences in the bone fracture healing process. PMID- 29215757 TI - Hypothalamic paraventricular nucleus neuronal nitric oxide synthase activity is a major determinant of renal sympathetic discharge in conscious Wistar rats. AB - NEW FINDINGS: What is the central question of this study? Does chronic reduction of neuronally generated nitric oxide in the hypothalamic paraventricular nucleus affect the set-point regulation of blood pressure and sympathetic activity destined to the kidneys? What is the main finding and its importance? Within the hypothalamic paraventricular nucleus, nitric oxide generated by neuronal nitric oxide synthase plays a major constitutive role in suppressing long term the levels of both ongoing renal sympathetic activity and arterial pressure in conscious Wistar rats. This finding unequivocally demonstrates a mechanism by which the diencephalon exerts a tonic influence on sympathetic discharge to the kidney and may provide the basis for both blood volume and osmolality homeostasis. ABSTRACT: The paraventricular nucleus (PVN) of the hypothalamus plays a crucial role in cardiovascular and neuroendocrine regulation. Application of nitric oxide donors to the PVN stimulates GABAergic transmission, and may suppress sympathetic nerve activity (SNA) to lower arterial pressure. However, the role of endogenous nitric oxide within the PVN in regulating renal SNA chronically remains to be established in conscious animals. To address this, we used our previously established lentiviral vectors to knock down neuronal nitric oxide synthase (nNOS) selectively in the PVN of conscious Wistar rats. Blood pressure and renal SNA were monitored simultaneously and continuously for 21 days (n = 14) using radio-telemetry. Renal SNA was normalized to maximal evoked discharge and expressed as a percentage change from baseline. The PVN was microinjected bilaterally with a neurone-specific tetracycline-controllable lentiviral vector, expressing a short hairpin miRNA30 interference system targeting nNOS (n = 7) or expressing a mis-sense as control (n = 7). Recordings continued for a further 18 days. The vectors also expressed green fluorescent protein, and successful expression in the PVN and nNOS knockdown were confirmed histologically post hoc. Knockdown of nNOS expression in the PVN resulted in a sustained increase in blood pressure (from 95 +/- 2 to 104 +/- 3 mmHg, P < 0.05), with robust concurrent sustained activation of renal SNA (>70%, P < 0.05). The study reveals a major role for nNOS-derived nitric oxide within the PVN in chronic set-point regulation of cardiovascular autonomic activity in the conscious, normotensive rat. PMID- 29215758 TI - Plin5 deficiency promotes atherosclerosis progression through accelerating inflammation, apoptosis and oxidative stress. AB - Excessive plasma triglyceride and cholesterol levels promote the progression of several prevalent cardiovascular risk factors, including atherosclerosis, which is a leading death cause. Perilipin 5 (Plin5), an important perilipin protein, is abundant in tissues with very active lipid catabolism, and is involved in the regulation of oxidative stress. Although, in?ammation and oxidative stress play a critical role in atherosclerosis development, the underlying mechanisms are complex and not completely understood. In the present study, we demonstrated the role of Plin5 in high-fat-diet-induced atherosclerosis in apolipoprotein E null (ApoE-/- ) mice. Our results suggested that Plin5 expressions increased in the artery tissues of ApoE-/- mice. ApoE/Plin5 double knockout (ApoE-/- Plin5-/- ) exacerbated severer atherogenesis, accompanied with significantly disturbed plasma metabolic profiles, such as elevated triglyceride (TG), total cholesterol (TC) and low-density lipoprotein cholesterol (LDLC) levels and reduced high density lipoprotein cholesterol (HDLC) contents. ApoE-/- Plin5-/- exhibited higher number of inflammatory monocytes and neutrophils, as well as over expression of cytokines and chemokines linked with inflammatory response. Consistently, IkappaBalpha/nuclear factor kappa B (NF-kappaB) pathway was strongly activated in ApoE-/- Plin5-/- . Notably, apoptosis was dramatically induced by ApoE-/- Plin5-/- , as evidenced by increased cleavage of Caspase-3 and Poly (ADP-ribose) polymerase-2 (PARP-2). In addition, ApoE-/- Plin5-/- contributed to oxidative stress generation in the aortic tissues, which was linked with the activation of phosphatidylinositol 3-kinase /protein kinase B (PI3K/AKT) and mitogen-activated protein kinases (MAPKs) pathways. In vitro, oxidized low-density lipoprotein (oxLDL) increased Plin5 expression in RAW264.7 cells. Its knockdown enhanced inflammation, apoptosis, oxidative stress and lipid accumulation, while promotion of Plin5 markedly reduced all the effects induced by ox-LDL in cells. These studies strongly supported that Plin5 could be a new regulator against atherosclerosis, providing new insights on therapeutic solutions. This article is protected by copyright. All rights reserved. PMID- 29215759 TI - The two faces of enhanced stroma: Stroma acts as a tumor promoter and a steric obstacle. AB - In addition to genetic, morphological and biochemical alterations in cells, a key feature of the malignant progression of cancer is the stroma, including cancer cell motility as well as the emergence of metastases. Our current knowledge with regard to the biophysically driven experimental approaches of cancer progression indicates that mechanical aberrations are major contributors to the malignant progression of cancer. In particular, the mechanical probing of the stroma is of great interest. However, the impact of the tumor stroma on cellular motility, and hence the metastatic cascade leading to the malignant progression of cancer, is controversial as there are two different and opposing effects within the stroma. On the one hand, the stroma can promote and enhance the proliferation, survival and migration of cancer cells through mechanotransduction processes evoked by fiber alignment as a result of increased stroma rigidity. This enables all types of cancer to overcome restrictive biological capabilities. On the other hand, as a result of its structural constraints, the stroma acts as a steric obstacle for cancer cell motility in dense three-dimensional extracellular matrices, when the pore size is smaller than the cell's nucleus. The mechanical properties of the stroma, such as the tissue matrix stiffness and the entire architectural network of the stroma, are the major players in providing the optimal environment for cancer cell migration. Thus, biophysical methods determining the mechanical properties of the stroma, such as magnetic resonance elastography, are critical for the diagnosis and prediction of early cancer stages. Fibrogenesis and cancer are tightly connected, as there is an elevated risk of cancer on cystic fibrosis or, subsequently, cirrhosis. This also applies to the subsequent metastatic process. PMID- 29215760 TI - Synergistic Effects of Selenophene and Extended Ladder-Type Donor Units for Efficient Polymer Solar Cells. AB - Two pairs of polymer donor materials based on indacenodithiophene (IDT) and indacenodithieno[3,2-b]thiophene (IDTT) as the donor units are synthesized. Thiophene or selenophene is introduced as the pi-bridge units and electron deficient fluorine-substituted quinoxaline is used as acceptor unit. Selenophene containing polymers PIDT-DFQ-Se and PIDTT-DFQ-Se show redshifted absorption and narrower bandgaps. Combined with IDTT donor unit, PIDTT-DFQ-Se shows the highest absorption coefficient. Both the IDTT unit and selenophene unit have positive effects on the hole mobilities, making PIDTT-DFQ-Se the highest one. The best power conversion efficiency of 7.4% is obtained from devices based on PIDTT-DFQ Se:[6,6]-phenyl C71 butyric acid methyl ester (PC71 BM) with a Jsc of 12.6 mA cm 2 , a Voc of 0.89 V, and a fill factor (FF) of 0.66. PMID- 29215761 TI - In vivo differentiation of common basal cell carcinoma subtypes by microvascular and structural imaging using dynamic optical coherence tomography. AB - The subtype of basal cell carcinoma (BCC) influences the choice of treatment. Optical coherence tomography (OCT) is a non-invasive imaging tool, and a recent development of an angiographic version of OCT has extended the application of OCT to image the cutaneous microvasculature (so-called dynamic OCT, D-OCT). This study explores D-OCT's ability to differentiate the common BCC subtypes by microvascular and structural imaging. Eighty-one patients with 98 BCC lesions, consisting of three subtypes: 27 superficial BCC (sBCC), 55 nodular BCC (nBCC) and 16 infiltrative BCC (iBCC) were D-OCT scanned at three European dermatology centres. Blinded evaluations of microvascular and structural features were performed, followed by extensive statistical analysis of risk ratio (RR) and multiple correspondence analysis. nBCC lesions displayed most characteristic structural and vascular features. Serpiginous vessels, branching vessels, vessels creating a circumscribed figure and sharply demarcated hyporeflective ovoid structures in the dermis were all associated with a higher risk of the subtype being nBCC. The presence of highly present lines and dark peripheral borders at the margin of ovoid structures was negatively associated with iBCC. Lastly, the finding of hyporeflective ovoid structures protruding from epidermis correlated with sBCC. We identified various microvascular and structural D-OCT features that may aid non-invasive identification of BCC subtypes. This would allow clinicians to individualize and optimize BCC treatment as well as aid follow-up of non surgical treatment. PMID- 29215762 TI - Risk of amphetamine use disorder and mortality among incident users of prescribed stimulant medications in the Veterans Administration. AB - BACKGROUND AND AIMS: Non-medical use of prescribed stimulant medications is a growing concern. This study's aims were to ascertain the demographics of stimulant medication users compared with non-users, examine temporal trends of stimulant medication use and estimate risk factors for development of amphetamine use disorder (AUD) and mortality among new users of stimulant medications. DESIGN: Cox proportional hazards regression in a retrospective cohort adjusted by baseline covariates. SETTING: United States, national administrative database of the Veterans Affairs (VA) health-care system. PARTICIPANTS: Adult incident users of stimulant medications (n = 78 829) from fiscal years (FY) 2001 to 2012. MEASUREMENTS: Primary outcomes were time-to-event: (1) occurrence of AUD diagnosis and (2) death. Baseline covariates included demographic information, Food and Drug Administration (FDA)-approved indications for stimulant use, substance use disorders (SUD) and depression. FINDINGS: Stimulant users compared with non-users were younger, more likely to be non-Hispanic white and female. Incident stimulant medication users increased threefold from FY2001-FY2012 and eightfold among adults aged 18-44 years. Nearly one in 10 incident users in FY2012 had a comorbid baseline SUD. Off-label use was common-nearly three of every five incident users in FY2012. Comorbid SUDs among incident stimulant medication users were risk factors for occurrence of AUD during follow-up, with adjusted hazard ratio (AHR) estimates ranging from 1.54 to 2.83 (Ps < 0.05). Increased mortality risk was observed with occurrence of AUD during follow-up [AHR = 1.55, 95% confidence interval (CI) = 1.13-2.14, P = 0.007], while on-label prescribing was protective against death (AHR = 0.686, 95% CI = 0.63-0.75, P < 0.0001). CONCLUSIONS: In a US national cohort of adult incident stimulant medication users in the Veterans Affairs health-care system, measured from fiscal years 2001 to 2012, comorbid substance use disorders were common and were risk factors for development of an amphetamine use disorder (AUD). Increased mortality risk among incident users of stimulant medications was observed among both those who developed an AUD later and those whose use was defined as off-label. PMID- 29215763 TI - Breast cancer: The translation of big genomic data to cancer precision medicine. AB - Cancer is a complex genetic disease that develops from the accumulation of genomic alterations in which germline variations predispose individuals to cancer and somatic alterations initiate and trigger the progression of cancer. For the past 2 decades, genomic research has advanced remarkably, evolving from single gene to whole-genome screening by using genome-wide association study and next generation sequencing that contributes to big genomic data. International collaborative efforts have contributed to curating these data to identify clinically significant alterations that could be used in clinical settings. Focusing on breast cancer, the present review summarizes the identification of genomic alterations with high-throughput screening as well as the use of genomic information in clinical trials that match cancer patients to therapies, which further leads to cancer precision medicine. Furthermore, cancer screening and monitoring were enhanced greatly by the use of liquid biopsies. With the growing data complexity and size, there is much anticipation in exploiting deep machine learning and artificial intelligence to curate integrative "-omics" data to refine the current medical practice to be applied in the near future. PMID- 29215764 TI - An evaluation of the challenges to developing tumor BRCA1 and BRCA2 testing methodologies for clinical practice. AB - Ovarian cancer patients with germline or somatic pathogenic variants benefit from treatment with poly ADP ribose polymerase (PARP) inhibitors. Tumor BRCA1/2 testing is more challenging than germline testing as the majority of samples are formalin-fixed paraffin embedded (FFPE), the tumor genome is complex, and the allelic fraction of somatic variants can be low. We collaborated with 10 laboratories testing BRCA1/2 in tumors to compare different approaches to identify clinically important variants within FFPE tumor DNA samples. This was not a proficiency study but an inter-laboratory comparison to identify common issues. Each laboratory received the same tumor DNA samples ranging in genotype, quantity, quality, and variant allele frequency (VAF). Each laboratory performed their preferred next-generation sequencing method to report on the variants. No false positive results were reported in this small study and the majority of methods detected the low VAF variants. A number of variants were not detected due to the bioinformatics analysis, variant classification, or insufficient DNA. The use of hybridization capture or short amplicon methods are recommended based on a bioinformatic assessment of the data. The study highlights the importance of establishing standards and standardization for tBRCA testing particularly when the test results dictate clinical decisions regarding life extending therapies. PMID- 29215766 TI - Responses of terrestrial nitrogen pools and dynamics to different patterns of freeze-thaw cycle: A meta-analysis. AB - Altered freeze-thaw cycle (FTC) patterns due to global climate change may affect nitrogen (N) cycling in terrestrial ecosystems. However, the general responses of soil N pools and fluxes to different FTC patterns are still poorly understood. Here, we compiled data of 1519 observations from 63 studies and conducted a meta analysis of the responses of 17 variables involved in terrestrial N pools and fluxes to FTC. Results showed that under FTC treatment, soil NH4+ , NO3- , NO3- leaching, and N2 O emission significantly increased by 18.5%, 18.3%, 66.9%, and 144.9%, respectively; and soil total N (TN) and microbial biomass N (MBN) significantly decreased by 26.2% and 4.7%, respectively; while net N mineralization or nitrification rates did not change. Temperate and cropland ecosystems with relatively high soil nutrient contents were more responsive to FTC than alpine and arctic tundra ecosystems with rapid microbial acclimation. Therefore, altered FTC patterns (such as increased duration of FTC, temperature of freeze, amplitude of freeze, and frequency of FTC) due to global climate warming would enhance the release of inorganic N and the losses of N via leaching and N2 O emissions. Results of this meta-analysis help better understand the responses of N cycling to FTC and the relationships between FTC patterns and N pools and N fluxes. PMID- 29215765 TI - Helicobacter pylori induces caudal-type homeobox protein 2 and cyclooxygenase 2 expression by modulating microRNAs in esophageal epithelial cells. AB - Dysregulation of microRNAs (miRNAs) has been linked to virulence factors of Helicobacter pylori. The role of H. pylori in esophageal disease has not been clearly defined. We previously reported that H. pylori esophageal colonization promotes the incidence of Barrett's esophagus and esophageal adenocarcinoma in vivo. Here, we studied the direct effects of H. pylori on the transformation of esophageal epithelial cells, with particular focus on whether H. pylori exerts its effects by modulating miRNAs and their downstream target genes. The normal human esophageal cell line HET-1A was chronically exposed to H. pylori extract and/or acidified deoxycholic acid for up to 36 weeks. The miRNA profiles of the esophageal epithelial cells associated with H. pylori infection were determined by microarray analysis. We found that chronic H. pylori exposure promoted acidified deoxycholic acid-induced morphological changes in HET-1A cells, along with aberrant overexpression of intestinal metaplasia markers and tumorigenic factors, including caudal-type homeobox protein 2 (CDX2), mucin 2, and cyclooxygenase 2 (COX2). Helicobacter pylori modified the miRNA profiles of esophageal epithelial cells, particularly aberrant silencing of miR-212-3p and miR-361-3p. Moreover, in biopsies from Barrett's esophagus patients, esophageal H. pylori colonization was associated with a significant decrease in miR-212-3p and miR-361-3p expression. Furthermore, we identified COX2 as a target of miR-212 3p, and CDX2 as a target of miR-361-3p. Helicobacter pylori infection of esophageal epithelial cells was associated with miRNA-mediated upregulation of oncoprotein CDX2 and COX2. Our observations provide new evidence about the molecular mechanisms underlying the association between H. pylori infection and esophageal carcinogenesis. PMID- 29215767 TI - Exposure to levonorgestrel increases nest acquisition success and decreases sperm motility in the male fathead minnow (Pimephales promelas). AB - Progestins are utilized as a component of human contraceptives, and commonly enter the environment via wastewater treatment plant effluent. Certain progestins activate fish androgen receptors and cause decreases in fecundity and masculinization of females. We used a nest acquisition assay and computer assisted sperm analysis to examine the effects of levonorgestrel on male fathead minnow (Pimephales promelas) reproductive fitness. Males were exposed to 0, 10, or 100 ng/L levonorgestrel for 14 d. Combinations of a control male and a male from one of the treatments were placed into a competitive nesting assay, and the time each male spent holding the nest and time spent exhibiting aggressive behaviors were analyzed at 48 h postexposure. Semen samples were analyzed for total motility, straight-line velocity, curvilinear velocity, average path velocity, linearity, beat cross frequency, and wobble at 0, 30, 60, 90, and 120 s postactivation. Males exposed to either 10 or 100 ng/L of levonorgestrel exhibited increased nest acquisition success and lower levels of aggression compared with control-control pairings, as well as decreases in multiple sperm motion characteristics. Our results suggest that further research is required to ascertain the effects of levonorgestrel on male gamete quality and reproductive behaviors. Environ Toxicol Chem 2018;37:1131-1137. (c) 2017 SETAC. PMID- 29215768 TI - From a Metastable Layer to a Stable Ring: A Kinetic Study for Transformation Reactions of Li2 Mo3 TeO12 to Polyoxometalates. AB - A metastable tellurite, Li2 Mo3 TeO12 , revealing a corrugated layered structure in an extremely strained coordination environment was hydrothermally synthesized in high yield. Li2 Mo3 TeO12 undergoes Li+ -exchange-driven facile structural transformation reactions to polyoxometalates. The kinetic data for the transformation reactions at various conditions were successfully obtained by simple lab-source powder X-ray diffraction. The investigation suggests that the solid-state transformation reactions may occur through a series of steps; substitution, decomposition, recombination, and precipitation. This new finding could be utilized in discovering functional metastable materials as well as understanding their phase transition mechanisms. PMID- 29215769 TI - Can a cognitive rehabilitation program in early stages of Parkinson's disease improve cognition, apathy and brain functional connectivity for up to 18 months? PMID- 29215770 TI - Molecular ecology of Listeria spp., Salmonella, Escherichia coli O157:H7 and non O157 Shiga toxin-producing E. coli in pristine natural environments in Northern Colorado. AB - AIMS: Molecular subtyping is commonly used in foodborne disease surveillance and microbial source tracking. There is a knowledge gap regarding the molecular ecology of foodborne pathogens in non-food-associated environments. The objective of this study was to isolate and subtype foodborne pathogens from pristine natural environments with minimal anthropogenic inputs. MATERIALS AND RESULTS: Five locations (wilderness areas) in Northern Colorado were sampled during the spring, summer and fall over a 2-year period. Soil, water, sediment, surface soil and wildlife faecal samples were microbiologically analysed to detect Listeria, Salmonella and Shiga toxin-producing Escherichia coli (STEC), and resultant isolates were subtyped. Three samples tested positive for Listeria monocytogenes and 19 samples contained other Listeria spp. Salmonella was isolated from two samples, five samples contained non-O157 STEC, and E. coli O157:H7 was not detected. Two L. monocytogenes isolates from faecal samples collected from the same wilderness area over a year apart shared the same PFGE pattern, while all other isolates had a unique type. CONCLUSIONS: Our data indicate that (i) there was a rare presence of human foodborne pathogens in pristine natural environments in Northern Colorado, (ii) there was genetic diversity between organisms isolated within a given wilderness area, and (iii) the Northern Colorado climate and topography may contribute to the low occurrence of these organisms. SIGNIFICANCE AND IMPACT OF THE STUDY: Relatively little is known about the molecular ecology of foodborne pathogens in pristine natural environments. While foodborne pathogens were rarely detected in wildlife faecal and environmental samples from the wilderness areas in this study, some isolates shared DNA fingerprint types with human clinical isolates from same region during the same time frame, highlighting the need for environmental isolate subtype data. The availability of molecular subtyping data for non-food-associated foodborne pathogen isolates can facilitate epidemiological and microbial source tracking investigations. PMID- 29215771 TI - P16 positivity and regression grade predict survival after neoadjuvant radiotherapy of OSCC. AB - OBJECTIVES: Survival after preoperative radiotherapy in locally advanced head and neck squamous cell cancer is associated with pathological response. The prognostic importance of p16 expression in these patients has not been established yet. MATERIALS AND METHODS: Ninety-seven patients with oral squamous cell carcinoma, treated preoperatively with radiotherapy in combination with chemotherapy or cetuximab, were included in this retrospective analysis. Survival rates were estimated by the Kaplan-Meyer method. Pathological response was evaluated by histological analysis and p16 expression by immunohistochemistry. RESULTS: Overall survival after 2 years was 66% for the entire group, 92% in the p16-positive and 62% in the p16-negative group, respectively. 12.4% of the tumours were p16-positive. P16 expression (HR 6.98, p = .05) and regression grade (HR 2.94, p = .001) had a statistically significant impact on prognosis. 83.3% of p16-expressing tumours were pathological responders. All p16-positive patients with pathological response were alive within the observation period. CONCLUSION: P16 expression is associated with prognosis in preoperatively irradiated OSCC patients. The association between p16 positivity, regression grade and improved survival provides a rationale for de-intensification strategies in patients with head and neck cancer who respond well to neoadjuvant therapy, a concept that is being tested in prospective clinical trials. PMID- 29215772 TI - Impact of storage conditions on fungal community composition of green coffee beans Coffea arabica L. stored in jute sacks during 1 year. AB - AIMS: The purpose of this study was to evaluate the effect of warehouse storage conditions on the composition of the fungal community of green coffee beans (GCB) that were stored in jute sacks for 1 year. METHODS AND RESULTS: Molecular characterization of the fungal community composition and population dynamics obtained by Q-PCR, CE-SSCP (Simpson's diversity index D) and Illumina MiSeq sequencing indicated that Saccharomycetales dominated during the first 6 months of storage period with species as Meyerozyma guilliermondii and Pichia kluyveri. However, after 6 months of storage, the filamentous genus Wallemia became dominant. Principal components analysis correlated this fungal dynamic with storage conditions and other variables as chromaticity (colour), water activity, moisture content, reducing sugars concentration, fungal infection and ochratoxin A production. CONCLUSIONS: This study demonstrated that GCB stored in jute sacks after 6 months of storage lead to fungal population dynamics, decreased chromaticity in GCB by bleaching and, then, affected overall quality. SIGNIFICANCE AND IMPACT OF THE STUDY: Storage plays an important role in the quality evolution during the handling of the GCB. In this context, the composition of the microbial community could be considered a marker to assess the trade value of the coffee beans. PMID- 29215773 TI - A referenceless Nyquist ghost correction workflow for echo planar imaging of hyperpolarized [1-13 C]pyruvate and [1-13 C]lactate. AB - Single-shot echo planar imaging (EPI), which allows an image to be acquired using a single excitation pulse, is used widely for imaging the metabolism of hyperpolarized 13 C-labelled metabolites in vivo as the technique is rapid and minimizes the depletion of the hyperpolarized signal. However, EPI suffers from Nyquist ghosting, which normally is corrected for by acquiring a reference scan. In a dynamic acquisition of a series of images, this results in the sacrifice of a time point if the reference scan involves a full readout train with no phase encoding. This time penalty is negligible if an integrated navigator echo is used, but at the cost of a lower signal-to-noise ratio (SNR) as a result of prolonged T2 * decay. We describe here a workflow for hyperpolarized 13 C EPI that requires no reference scan. This involves the selection of a ghost containing background from a 13 C image of a single metabolite at a single time point, the identification of phase correction coefficients that minimize signal in the selected area, and the application of these coefficients to images acquired at all time points and from all metabolites. The workflow was compared in phantom experiments with phase correction using a 13 C reference scan, and yielded similar results in situations with a regular field of view (FOV), a restricted FOV and where there were multiple signal sources. When compared with alternative phase correction methods, the workflow showed an SNR benefit relative to integrated 13 C reference echoes (>15%) or better ghost removal relative to a 1 H reference scan. The residual ghosting in a slightly de-shimmed B0 field was 1.6% using the proposed workflow and 3.8% using a 1 H reference scan. The workflow was implemented with a series of dynamically acquired hyperpolarized [1 13 C]pyruvate and [1-13 C]lactate images in vivo, resulting in images with no observable ghosting and which were quantitatively similar to images corrected using a 13 C reference scan. PMID- 29215774 TI - Photochemical Creation of Fluorescent Quantum Defects in Semiconducting Carbon Nanotube Hosts. AB - Quantum defects are an emerging class of synthetic single-photon emitters that hold vast potential for near-infrared imaging, chemical sensing, materials engineering, and quantum information processing. Herein, we show that it is possible to optically direct the synthetic creation of molecularly tunable fluorescent quantum defects in semiconducting single-walled carbon nanotube hosts through photochemical reactions. By exciting the host semiconductor with light that resonates with its electronic transition, we find that halide-containing aryl groups can covalently bond to the sp2 carbon lattice. The introduced quantum defects generate bright photoluminescence that allows tracking of the reaction progress in situ. We show that the reaction is independent of temperature but correlates strongly with the photon energy used to drive the reaction, suggesting a photochemical mechanism rather than photothermal effects. This type of photochemical reactions opens the possibility to control the synthesis of fluorescent quantum defects using light and may enable lithographic patterning of quantum emitters with electronic and molecular precision. PMID- 29215775 TI - An assessment of the microbiological quality and safety of raw drinking milk on retail sale in England. AB - AIMS: This study aimed to review the microbiological results for raw drinking milk (RDM) samples submitted to Public Health England laboratories between 2014 and 2016 in order to produce up-to-date data on the microbiological safety of RDM and inform future risk assessments on its sale. METHODS AND RESULTS: A total of 902 samples of RDM were collected from retail sale in England for microbiological examination. Overall, 454 of 770 samples (59.0%) taken for routine monitoring were of a satisfactory quality, whilst eight (1.0%) were 'unsatisfactory and potentially injurious to health' due to the presence of Shiga toxin-producing Escherichia coli, Campylobacter or elevated levels of Listeria monocytogenes or coagulase-positive staphylococci. In contrast, 16 of 114 (14.0%) of samples taken in follow-up to a previous unsatisfactory result and 5 of 18 (27.8%) of samples related to illness were potentially injurious. A total of 229 of 902 samples (25.4%) gave unsatisfactory results due to elevated aerobic colony counts and/or coliforms, whilst 139 of 902 samples (15.4%) were of borderline quality due to coagulase-positive staphylococci. Listeria monocytogenes was detected at levels of <100 CFU per ml in 66 of 902 samples (7.3%) and other Listeria species in 44 of 902 samples (4.9%). CONCLUSIONS: Pathogens and/or indicators of poor hygiene were present in almost half of samples examined. Cows' milk samples gave a significantly greater proportion of unsatisfactory results compared to milk from other species (i.e. goat, sheep, buffalo, camel). SIGNIFICANCE AND IMPACT OF THE STUDY: These results demonstrate the importance of maintaining strict controls on the production and sale of this product. PMID- 29215776 TI - TGF-beta transactivates EGFR and facilitates breast cancer migration and invasion through canonical Smad3 and ERK/Sp1 signaling pathways. AB - Transforming growth factor-beta (TGF-beta) functions as a potent proliferation inhibitor and apoptosis inducer in the early stages of breast cancer, yet promotes cancer aggressiveness in the advanced stages. The dual effect of TGF beta on cancer development is known as TGF-beta paradox, and the remarkable functional conversion of TGF-beta is a pivotal and controversial phenomenon that has been widely investigated for decades. This phenomenon may be attributed to the cross talk between TGF-beta signaling and other pathways, including EGF receptor (EGFR) signaling during cancer progression. However, the underlying mechanism by which TGF-beta shifts its role from a tumor suppressor to a cancer promoter remains elusive. In this study, TGF-beta is positively correlated with EGFR expression in breast cancer tissues, and a functional linkage is observed between TGF-beta signaling and EGFR transactivation in breast cancer cell lines. TGF-beta promotes the migration and invasion abilities of breast cancer cells, along with the increase in EGFR expression. EGFR is also essential for TGF-beta induced enhancement of these abilities of breast cancer cells. Canonical Smad3 signaling and ERK/Sp1 signaling pathways mediate TGF-beta-induced EGFR upregulation. Hence, our study provided insights into a novel mechanism by which TGF-beta supports breast cancer progression. PMID- 29215777 TI - Atypical anorexia nervosa is not related to brain structural changes in newly diagnosed adolescent patients. AB - OBJECTIVE: Patients with atypical anorexia nervosa (AN) have many features overlapping with AN in terms of genetic risk, age of onset, psychopathology and prognosis of outcome, although the weight loss may not be a core factor. While brain structural alterations have been reported in AN, there are currently no data regarding atypical AN patients. METHOD: We investigated brain structure through a voxel-based morphometry analysis in 22 adolescent females newly diagnosed with atypical AN, and 38 age- and sex-matched healthy controls (HC). ED related psychopathology, impulsiveness and obsessive-compulsive traits were assessed with the Eating Disorder Examination Questionnaire (EDE-Q), Barratt Impulsiveness Scale (BIS-11) and Obsessive-compulsive Inventory Revised (OCI-R), respectively. Body mass index (BMI) was also calculated. RESULTS: Patients and HC differed significantly on BMI (p < .002), EDE-Q total score (p < .000) and OCI-R total score (p < .000). No differences could be detected in grey matter (GM) regional volume between groups. DISCUSSION: The ED-related cognitions in atypical AN patients would suggest that atypical AN and AN could be part of the same spectrum of restrictive-ED. However, contrary to previous reports in AN, our atypical AN patients did not show any GM volume reduction. The different degree of weight loss might play a role in determining such discrepancy. Alternatively, the preservation of GM volume might indeed differentiate atypical AN from AN. PMID- 29215778 TI - Declines in moth populations stress the need for conserving dark nights. AB - Given the global continuous rise, artificial light at night is often considered a driving force behind moth population declines. Although negative effects on individuals have been shown, there is no evidence for effects on population sizes to date. Therefore, we compared population trends of Dutch macromoth fauna over the period 1985-2015 between moth species that differ in phototaxis and adult circadian rhythm. We found that moth species that show positive phototaxis or are nocturnally active have stronger negative population trends than species that are not attracted to light or are diurnal species. Our results indicate that artificial light at night is an important factor in explaining declines in moth populations in regions with high artificial night sky brightness. Our study supports efforts to reduce the impacts of artificial light at night by promoting lamps that do not attract insects and reduce overall levels of illumination in rural areas to reverse declines of moth populations. PMID- 29215779 TI - "Head-to-Middle" and "Head-to-Tail" cis-Prenyl Transferases: Structure of Isosesquilavandulyl Diphosphate Synthase. AB - We report the first X-ray crystallographic structure of the "head-to-middle" prenyltransferase, isosesquilavandulyl diphosphate synthase, involved in biosynthesis of the merochlorin class of antibiotics. The protein adopts the zeta or cis-prenyl transferase fold but remarkably, unlike tuberculosinol adenosine synthase and other cis-prenyl transferases (e.g. cis-farnesyl, decaprenyl, undecaprenyl diphosphate synthases), the large, hydrophobic side chain does not occupy a central hydrophobic tunnel. Instead, it occupies a surface pocket oriented at 90 degrees to the hydrophobic tunnel. Product chain-length control is achieved by squeezing out the ligand from the conventional allylic S1 binding site, with proton abstraction being achieved using a diphosphate-Asn-Ser relay. The structures revise and unify our thinking as to the mechanism of action of many other prenyl transferases and may also be of use in engineering new merochlorin-class antibiotics. PMID- 29215780 TI - Triplet Tellurophene-Based Acceptors for Organic Solar Cells. AB - Triplet materials have been employed to achieve high-performing organic solar cells (OSCs) by extending the exciton lifetime and diffusion distances, while the triplet non-fullerene acceptor materials have never been reported for bulk heterojunction OSCs. Herein, for the first time, three triplet molecular acceptors based on tellurophene with different degrees of ring fusing were designed and synthesized for OSCs. Significantly, these molecules have long exciton lifetime and diffusion lengths, leading to efficient power conversion efficiency (7.52 %), which is the highest value for tellurophene-based OSCs. The influence of the extent of ring fusing on molecular geometry and OSCs performance was investigated to show the power conversion efficiencies (PCEs) continuously increased along with increasing the extent of ring fusing. PMID- 29215781 TI - Clinical prediction rules for mortality in patients with pulmonary embolism and cancer to guide outpatient management: a meta-analysis. AB - : Essentials Clinical prediction rules (CPRs) can stratify patients with pulmonary embolism (PE) and cancer. A meta-analysis was done to assess prognostic accuracy in CPRs for mortality in these patients. Eight studies evaluating ten CPRs were included in this study. CPRs should continue to be used with other patient factors for mortality risk stratification. SUMMARY: Background Cancer treatment is commonly complicated by pulmonary embolism (PE), which remains a leading cause of morbidity and mortality in these patients. Some guidelines recommend the use of clinical prediction rules (CPRs) to help clinicians identify patients at low risk of mortality and therefore guide care. Objective To determine and compare the accuracy of available CPRs for identifying cancer patients with PE at low risk of mortality. Methods A literature search of Medline and Scopus (January 2000 to August 2017) was performed. Studies deriving/validating >= 1 CPR for early post-PE all-cause mortality were included. A bivariate, random-effects model was used to pool sensitivity and specificity estimates for each CPR. Traditional random-effects meta-analysis was performed to estimate the weighted proportion of patients deemed at low risk of early mortality, mortality in low risk patients and odds ratios for death compared with higher-risk patients. Results Eight studies evaluating 10 CPRs were included. The highest sensitivities were observed with Hestia (98.1%, 95% confidence interval [CI] = 75.6-99.9%) and the EPIPHANY index (97.4%, 95% CI = 93.2-99.0%); sensitivities of remaining rules ranged from 59.9 to 96.6%. Of the six CPRs with sensitivities >= 95%, none had specificities > 33%. Random-effects meta-analysis suggested that 6.6-51.6% of cancer patients with PE were at low risk of mortality, 0-14.3% of low-risk patients died and low-risk patients had a 43-94% lower odds of death compared with those at higher risk. Conclusions Because of the limited total body of evidence regarding CPRs, their results, in conjunction with other pertinent patient-specific clinical factors, should continue to be used in identifying appropriate management for PE in patients with cancer. PMID- 29215782 TI - The effect of urinary Foley catheter substrate material on the antimicrobial potential of calixerene-based molecules. AB - AIMS: This study was to investigate the antimicrobial activity of a modified calixarene polymer bound to a silicone substrate in the presence of pathogens associated with catheter infections, Escherichia coli and Proteus mirabilis. METHODS AND RESULTS: The molecule and its constituent parts were studied bound and unbound to silicone substrates to ascertain growth effects. Minimum inhibitory and bactericidal concentrations were determined against E. coli and P. mirabilis. Biofilm growth was studied by immersing silicone discs seeded with either P. mirabilis or E. coli in artificial urine. Biofilms were assessed at 3, 7 and 10 days. The coated material reduced bacterial cell density compared to the uncoated samples. Direct and indirect toxicity tests were conducted with a fibroblast cell line (3T3); coated and noncoated silicone samples were seeded with cells (1 * 104 /cm2 ) and incubated for 72 h. Hoechst propidium iodide staining identified delayed toxic effect from the coated and noncoated material leachate in all but the platinum-cured medical-grade silicone, which showed no evident toxicity. CONCLUSIONS: The calixerene polymer was determined to be the active part of the coating. Biofilm formation was dramatically reduced in the coated platinum-cured medical-grade silicone samples, but cell viability was reduced on the clinical-grade silicones regardless of coating in contrast to cells seeded on the platinum-cured medical-grade silicone. A delayed toxic response was evident to the extract of the coated and noncoated clinical-grade samples, indicating that the toxic effect is due to the underlying substrate. SIGNIFICANCE AND IMPACT OF THE STUDY: This study has established that the immobilized molecule enhances the antibacterial and antifouling properties of silicone, without toxicity. It also clearly demonstrates that regardless of coating efficacy, the substrate material has the capacity to disrupt its potency and change the nature of the material coating. PMID- 29215783 TI - Polymer Film Dewetting by Water/Surfactant/Good-Solvent Mixtures: A Mechanistic Insight and Its Implications for the Conservation of Cultural Heritage. AB - Aqueous nanostructured fluids (NSFs) have been proposed to remove polymer coatings from the surface of works of art; this process usually involves film dewetting. The NSF cleaning mechanism was studied using several techniques that were employed to obtain mechanistic insight on the interaction of a methacrylic/acrylic copolymer (Paraloid B72) film laid on glass surfaces and several NSFs, based on two solvents and two surfactants. The experimental results provide a detailed picture of the dewetting process. The gyration radius and the reduction of the Tg of Paraloid B72 fully swollen in the two solvents is larger for propylene carbonate than for methyl ethyl ketone, suggesting higher mobility of polymer chains for the former, while a nonionic alcohol ethoxylate surfactant was more effective than sodium dodecylsulfate in favoring the dewetting process. FTIR 2D imaging showed that the dewetting patterns observed on model samples are also present on polymer-coated mortar tiles when exposed to NSFs. PMID- 29215784 TI - Neither dark nor light but shades in-between: cocoa merits a finer sampling. PMID- 29215785 TI - Expression and functional characterization of two natural heparin-binding site variants of antithrombin. AB - : Essentials Heparin-binding site (HBS) variants of antithrombin (AT) are associated with thrombosis risk. HSB variants have, in general, normal progressive inhibitory activity but reduced heparin affinity. Thrombosis in HSB carriers has been primarily attributed to the loss of heparin cofactor activity. Results here demonstrate that HSB variants of AT also lack anti-inflammatory signaling functions. SUMMARY: Background Several heparin-binding site (HBS) variants of antithrombin (AT) have been identified that predispose carriers to a higher incidence of thrombosis. Thrombosis in carriers of HBS variants has been primarily attributed to a loss in their heparin-dependent anticoagulant function. Objective The objective of this study was to determine whether HSB mutations affect the anti-inflammatory functions of variants. Methods Two HBS variants of AT (AT-I7N and AT-L99F), which are known to be associated with a higher incidence of thrombosis, were expressed in mammalian cells and purified to homogeneity. These variants were characterized by kinetic assays followed by analysis of their activities in established cellular and/or in vivo inflammatory models. The possible effects of mutations on AT structure were also evaluated by molecular modeling. Results The results indicated that, whereas progressive inhibitory activities of variants were minimally affected, their heparin affinity and inhibitory activity in the presence of heparin were markedly decreased. Unlike wild-type AT, neither AT variant was capable of inhibiting activation of nuclear factor-kappaB or downregulation of expression of cell adhesion molecules in response to lipopolysaccharide (LPS). Similarly, neither variant elicited barrier protective activity in response to LPS. Structural analysis suggested that the L99F substitution locally destabilizes AT structure. Conclusions It is concluded that the L99F mutation of AT is associated with destabilization of the serpin structure, and that the loss of anti-inflammatory signaling function of the HBS variants may also contribute to enhanced thrombosis in carriers of HBS mutations. PMID- 29215786 TI - A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission. AB - The synthesis and characterization is reported of (C9 NH20 )2 SnBr4 , a novel organic metal halide hybrid with a zero-dimensional (0D) structure, in which individual seesaw-shaped tin (II) bromide anions (SnBr42- ) are co-crystallized with 1-butyl-1-methylpyrrolidinium cations (C9 NH20+ ). Upon photoexcitation, the bulk crystals exhibit a highly efficient broadband deep-red emission peaked at 695 nm, with a large Stokes shift of 332 nm and a high quantum efficiency of around 46 %. The unique photophysical properties of this hybrid material are attributed to two major factors: 1) the 0D structure allowing the bulk crystals to exhibit the intrinsic properties of individual SnBr42- species, and 2) the seesaw structure enabling a pronounced excited state structural deformation as confirmed by density functional theory (DFT) calculations. PMID- 29215787 TI - Miniaturized, Battery-Free Optofluidic Systems with Potential for Wireless Pharmacology and Optogenetics. AB - Combination of optogenetics and pharmacology represents a unique approach to dissect neural circuitry with high specificity and versatility. However, conventional tools available to perform these experiments, such as optical fibers and metal cannula, are limited due to their tethered operation and lack of biomechanical compatibility. To address these issues, a miniaturized, battery free, soft optofluidic system that can provide wireless drug delivery and optical stimulation for spatiotemporal control of the targeted neural circuit in freely behaving animals is reported. The device integrates microscale inorganic light emitting diodes and microfluidic drug delivery systems with a tiny stretchable multichannel radiofrequency antenna, which not only eliminates the need for bulky batteries but also offers fully wireless, independent control of light and fluid delivery. This design enables a miniature (125 mm3 ), lightweight (220 mg), soft, and flexible platform, thus facilitating seamless implantation and operation in the body without causing disturbance of naturalistic behavior. The proof-of principle experiments and analytical studies validate the feasibility and reliability of the fully implantable optofluidic systems for use in freely moving animals, demonstrating its potential for wireless in vivo pharmacology and optogenetics. PMID- 29215788 TI - Fingerprinting the Nature of Anions in Pyrylium Complexes: Dual Binding Mode for Anion-pi Interactions. AB - The interplay between noncovalent interactions that involve oxygenated heteroaromatic rings have been studied for the first time in this work. In particular, we report an advance in knowledge-based anion-pi interactions together with (C-H)+ ???anion contacts. To understand how the anion modulates these interactions, the synthesis of pyrylium salts with a variety of anions was performed by using an anionic metathesis methodology. The synthesized pyrylium complexes were classified in series, for example, anions derived from halogens, from oxoacids, from p-block elements, and from transition metals. Crystallographic data, DFT calculations, and NMR spectroscopy methods provided access to an overall insight into the noncovalent behavior of the anion in this kind of system. Based on the DFT calculations and 1 H NMR spectroscopy, pyrylium protons can be used as chemical tags to detect noncovalent interactions in this type of compound. PMID- 29215789 TI - Who owns the Brazilian carbon? AB - Brazil is one of the major contributors to land-use change emissions, mostly driven by agricultural expansion for food, feed, and bioenergy feedstock. Policies to avoid deforestation related to private commitments, economic incentives, and other support schemes are expected to improve the effectiveness of current command and control mechanisms increasingly. However, until recently, land tenure was unknown for much of the Brazilian territory, which has undermined the governance of native vegetation and challenged support and incentive mechanisms for avoiding deforestation. We assess the total extent of public governance mechanisms protecting aboveground carbon (AGC) stocks. We constructed a land tenure dataset for the entire nation and modeled the effects and uncertainties of major land-use acts on protecting AGC stocks. Roughly 70% of the AGC stock in Brazil is estimated to be under legal protection, and an additional 20% is expected to be protected after areas in the Amazon with currently undesignated land undergo a tenure regularization. About 30% of the AGC stock is on private land, of which roughly two-thirds are protected. The Cerrado, Amazon, and Caatinga biomes hold about 40%, 30%, and 20% of the unprotected AGC, respectively. Effective conservation of protected and unprotected carbon will depend on successful implementation of the Forest Act, and regularization of land tenure in the Amazon. Policy development that prioritizes unprotected AGC stocks is warranted to promote conservation of native vegetation beyond the legal requirements. However, different biomes and land tenure structures may require different policy settings considering local and regional specifics. Finally, the fate of current AGC stocks relies upon effective implementation of command and control mechanisms, considering that unprotected AGC in native vegetation on private land only accounts for 6.5% of the total AGC stock. PMID- 29215791 TI - Protective effects of carbonyl iron against multiple low-dose streptozotocin induced diabetes in rodents. AB - Particulate adjuvants have shown increasing promise as effective, safe, and durable agents for the stimulation of immunity, or alternatively, the suppression of autoimmunity. Here we examined the potential of the adjuvant carbonyl iron (CI) for the modulation of organ-specific autoimmune disease-type 1 diabetes (T1D). T1D was induced by multiple low doses of streptozotocin (MLDS) that initiates beta cell death and triggers immune cell infiltration into the pancreatic islets. The results of this study indicate that the single in vivo application of CI to MLDS-treated DA rats, CBA/H mice, or C57BL/6 mice successfully counteracted the development of insulitis and hyperglycemia. The protective action was obtained either when CI was applied 7 days before, simultaneously with the first dose of streptozotocin, or 1 day after MLDS treatment. Ex vivo cell analysis of C57BL/6 mice showed that CI treatment reduced the proportion of proinflammatory F4/80+ CD40+ M1 macrophages and activated T lymphocytes in the spleen. Moreover, the treatment down-regulated the number of inflammatory CD4+ IFN-gamma+ cells in pancreatic lymph nodes, Peyer's patches, and pancreas-infiltrating mononuclear cells, while simultaneously potentiating proportion of CD4+ IL17+ cells. The regulatory arm of the immune system represented by CD3+ NK1.1+ (NKT) and CD4+ CD25+ FoxP3+ regulatory T cells was potentiated after CI treatment. In vitro analysis showed that CI down-regulated CD40 and CD80 expression on dendritic cells thus probably interfering with their antigen-presenting ability. In conclusion, particulate adjuvant CI seems to suppress the activation of the innate immune response, which further affects the adaptive immune response directed toward pancreatic beta cells. PMID- 29215790 TI - Inhibition of fucosylation in human invasive ductal carcinoma reduces E-selectin ligand expression, cell proliferation, and ERK1/2 and p38 MAPK activation. AB - Breast cancer tissue overexpresses fucosylated glycans, such as sialyl-Lewis X/A (sLeX/A ), and alpha-1,3/4-fucosyltransferases (FUTs) in relation to increased disease progression and metastasis. These glycans in tumor circulating cells mediate binding to vascular E-selectin, initiating tumor extravasation. However, their role in breast carcinogenesis is still unknown. Here, we aimed to define the contribution of the fucosylated structures, including sLeX/A , to cell adhesion, cell signaling, and cell proliferation in invasive ductal carcinomas (IDC), the most frequent type of breast cancer. We first analyzed expression of E selectin ligands in IDC tissue and established primary cell cultures from the tissue. We observed strong reactivity with E-selectin and anti-sLeX/A antibodies in both IDC tissue and cell lines, and expression of alpha-1,3/4 FUTs FUT4, FUT5, FUT6, FUT10, and FUT11. To further assess the role of fucosylation in IDC biology, we immortalized a primary IDC cell line with human telomerase reverse transcriptase to create the 'CF1_T cell line'. Treatment with 2-fluorofucose (2 FF), a fucosylation inhibitor, completely abrogated its sLeX/A expression and dramatically reduced adherence of CF1_T cells to E-selectin under hemodynamic flow conditions. In addition, 2-FF-treated CF1_T cells showed a reduced migratory ability, as well as decreased cell proliferation rate. Notably, 2-FF treatment lowered the growth factor expression of CF1_T cells, prominently for FGF2, vascular endothelial growth factor, and transforming growth factor beta, and negatively affected activation of signal-regulating protein kinases 1 and 2 and p38 mitogen-activated protein kinase signaling pathways. These data indicate that fucosylation licenses several malignant features of IDC, such as cell adhesion, migration, proliferation, and growth factor expression, contributing to tumor progression. PMID- 29215792 TI - Deuterated Molecular Ruby with Record Luminescence Quantum Yield. AB - The recently reported luminescent chromium(III) complex 13+ ([Cr(ddpd)2 ]3+ ; ddpd=N,N'-dimethyl-N,N'-dipyridine-2-yl-pyridine-2,6-diamine) shows exceptionally strong near-IR emission at 775 nm in water under ambient conditions (Phi=11 %) with a microsecond lifetime as the ligand design in 13+ effectively eliminates non-radiative decay pathways, such as photosubstitution, back-intersystem crossing, and trigonal twists. In the absence of energy acceptors, such as dioxygen, the remaining decay pathways are energy transfer to high energy solvent and ligand oscillators, namely OH and CH stretching vibrations. Selective deuteration of the solvents and the ddpd ligands probes the efficiency of these oscillators in the excited state deactivation. Addressing these energy-transfer pathways in the first and second coordination sphere furnishes a record 30 % quantum yield and a 2.3 millisecond lifetime for a metal complex with an earth abundant metal ion in solution at room temperature. PMID- 29215793 TI - Genetic history of the African Sahelian populations. AB - From a biogeographic perspective, Africa is subdivided into distinct horizontal belts. Human populations living along the Sahel/Savannah belt south of the Sahara desert have often been overshadowed by extensive studies focusing on other African populations such as hunter-gatherers or Bantu in particular. However, the Sahel together with the Savannah bordering it in the south is a challenging region where people had and still have to cope with harsh climatic conditions and show resilient behaviours. Besides exponentially growing urban populations, several local groups leading various lifestyles and speaking languages belonging to three main linguistic families still live in rural localities across that region today. Thanks to several years of consistent population sampling throughout this area, the genetic history of the African Sahelian populations has been largely reconstructed and a deeper knowledge has been acquired regarding their adaptation to peculiar environments and/or subsistence modes. Distinct exposures to pathogens-in particular, malaria-likely contributed to their genetic differentiation for HLA genes. In addition, although food-producing strategies spread within the Sahel/Savannah belt relatively recently, during the last five millennia according to recent archaeological and archaeobotanical studies, remarkable amounts of genetic differences are also observed between sedentary farmers and more mobile pastoralists at multiple neutral and selected loci, reflecting both demographic effects and genetic adaptations to distinct cultural traits, such as dietary habits. PMID- 29215794 TI - Immigrant nurses' perceptions on cultural differences-based job concerns: A phenomenological study in Shanghai China. AB - AIMS AND OBJECTIVES: To explore the experiences of immigrant nurses working in Shanghai, China. BACKGROUND: With the development of China, population growth has been accelerating. Simultaneously, the number of immigrant nurses in Shanghai has been increasing dramatically. Meanwhile, their turnover rate is abnormally high, primarily because of job concerns stemming from cultural differences. An understanding of immigrant nurses' job concerns caused by cultural differences can be used to help them to work more efficiently and cohesively. We aimed to investigate immigrant nurses' lived experiences regarding job concerns caused by cultural differences in Shanghai, China. METHODS: This is a phenomenological study. In-depth semi-structured interviews were conducted with fifteen immigrant nurses from January-July 2016. Data were collected using audio-taped face-to-face interviews; the narratives were then transcribed verbatim and analysed thematically. RESULTS: The following three major themes emerged from the data: "communication difficulties," "work adjustment difficulties" and "life adjustment difficulties." The eight sub-themes within these were as follows: (i) language barrier, (ii) inability to integrate oneself with the local culture, (iii) feelings of unfairness, (iv) difficulty asking for leave, (v) feeling stressed, (vi) not being acclimatised, (vii) feeling helpless and (viii) feeling guilt at being unable to take care of their family. CONCLUSION: It is important to implement appropriate training programmes on language and cultural adaptation for immigrant nurses. To enhance integrate immigrant nurses into Shanghai's society, more support needs to be provided. RELEVANCE TO CLINICAL PRACTICE: Administrators in hospitals should pay attention to immigrant nurses' job concerns that are caused by cultural differences and provide timely and effective assistance. PMID- 29215795 TI - Uterine caesarean closure techniques affect ultrasound findings and maternal outcomes: a systematic review and meta-analysis. AB - BACKGROUND: Caesarean section (CS) rates are rising globally. Long-term adverse outcomes after CS might be reduced when the optimal uterine closure technique becomes evident. OBJECTIVE: To determine the effect of uterine closure techniques after CS on maternal and ultrasound outcomes. SEARCH STRATEGY: Literature search in electronic databases. SELECTION CRITERIA: Randomised controlled trials (RCTs) or prospective cohort studies that evaluated uterine closure techniques and reported on ultrasound findings, perioperative or long-term outcomes. DATA COLLECTION AND ANALYSIS: Twenty studies (15 053 women) were included in our meta analyses for various outcomes. We calculated pooled risk ratios (RR) and weighted mean differences (WMD) with 95% CI through random-effect analysis. MAIN RESULTS: Residual myometrium thickness (RMT), reported in eight studies (508 women), decreased by 1.26 mm after single- compared with double-layer closure (95% CI 1.93 to -0.58), particularly when locked sutures were used. Healing ratio [RMT/adjacent myometrium thickness (AMT)] decreased after single-layer closure (WMD -7.74%, 95% CI -13.31 to -2.17), particularly in the case of locked sutures. Niche prevalence increased (RR 1.71, 95% CI 1.11-2.62) when the decidua was excluded. Dysmenorrhea occurred more often in the single-layer group (RR 1.23, 95% CI 1.01-1.48), whereas incidence of uterine rupture was similar (RR 1.91, 95% CI 0.63-5.74). CONCLUSION: Double-layer unlocked sutures are preferable to single layer locked sutures regarding RMT, healing ratio and dysmenorrhoea. Excluding the decidua seems to result in higher niche prevalence. As thin residual myometrium or niches may serve as intermediates for gynaecological and reproductive outcomes, future studies should focus on these outcomes. TWEETABLE ABSTRACT: #Uterineclosuretechniques after #caesarean affect #longtermoutcomes. PMID- 29215796 TI - Polarization-multiplexed, dual-beam swept source optical coherence tomography angiography. AB - A polarization-multiplexed, dual-beam setup is proposed to expand the field of view (FOV) for a swept source optical coherence tomography angiography (OCTA) system. This method used a Wollaston prism to split sample path light into 2 orthogonal-polarized beams. This allowed 2 beams to shine on the cornea at an angle separation of ~14 degrees , which led to a separation of ~4.2 mm on the retina. A 3-mm glass plate was inserted into one of the beam paths to set a constant path length difference between the 2 polarized beams so the interferogram from the 2 beams are coded at different frequency bands. The resulting OCTA images from the 2 beams were coded with a depth separation of ~2 mm. A total of 5 * 5 mm2 angiograms from the 2 beams were obtained simultaneously in 4 seconds. The 2 angiograms then were montaged to get a wider FOV of ~5 * 9.2 mm2 . PMID- 29215797 TI - Rubicon: LC3-associated phagocytosis and beyond. AB - Rubicon (Rubcn) was initially identified as a component of the Class III PI3K complex and a negative regulator of canonical autophagy and endosomal trafficking. However, Rubicon has attracted the most notoriety because of its critical role in LC3-associated phagocytosis (LAP), a form of noncanonical autophagy that utilizes some components of the autophagy machinery to process extracellular cargo. Additionally, Rubicon has been identified as a key modulator of the inflammatory response and viral replication. In this review, we discuss the known functions of Rubicon in LAP and other signaling pathways and examine the disease pathologies associated with Rubicon dysfunction in animal models and humans. PMID- 29215798 TI - Electrochemical Synthesis of Aryl Iodides by Anodic Iododesilylation. AB - An electrochemical access to iodinated aromatic compounds starting from trimethylsilyl-substituted arenes is presented. By design of experiments, highly efficient and mild conditions were identified for a wide range of substrates. A functional group stability test and the synthesis of an important 3 iodobenzylguanidine radiotracer illustrate the scope of this process. PMID- 29215799 TI - Comparison of PrestoBlue(r) and plating method to evaluate antimicrobial activity of ascorbic acid, boric acid and curcumin in an in vitro gastrointestinal model. AB - AIMS: To compare the conventional plating method vs a fluorometric method using PrestoBlue(r) as a dye by determining the antimicrobial activity of two organic acids and curcumin (CUR) against Salmonella Enteritidis in an avian in vitro digestion model that simulates the crop, proventriculus and intestine. METHODS AND RESULTS: A concentration of 108 CFU per ml of S. Enteritidis was exposed to groups with different rates of ascorbic acid (AA), boric acid (BA) and CUR. Significant differences were observed when the means of the treatments were compared with the controls in the compartments that simulate the crop and intestine (P < 0.05). Ascorbic acid alone and high rates of AA in the mixtures were the most efficient treatments in the crop compartment. However, in the intestinal compartment BA alone and at different rates in the mixture BA-CUR (1 : 1) were the best treatments to decrease the concentration of S. Enteritidis. CONCLUSIONS: The results of this study suggest that there could be an antagonistic bactericidal effect between AA and CUR and AA and BA as well as a synergistic bactericidal effect between BA and CUR. SIGNIFICANCE AND IMPACT OF THE STUDY: These findings may contribute to the development of a formulation with microencapsulated compounds to liberate them in different compartments to combat S. Enteritidis infections in broiler chickens. PMID- 29215800 TI - Microencapsulation for cell therapy of type 1 diabetes mellitus: The interplay between common beliefs, prejudices and real progress. AB - Critical discussion on pancreatic islets/insulin producing cells microencapsulation within highly purified alginic acid-derived bioplymers: past, present and future. PMID- 29215801 TI - The barriers to the prevention of ventilator-associated pneumonia from the perspective of critical care nurses: A qualitative descriptive study. AB - AIMS AND OBJECTIVES: The aim of this study was to explore the perspectives of Iranian critical care nurses on the barriers to ventilator-associated pneumonia prevention in intensive care units. BACKGROUND: Most patients hospitalized in intensive care units need mechanical ventilation. One of the most prevalent and serious complications of mechanical ventilation is ventilator-associated pneumonia. There are different barriers to the prevention of this kind of pneumonia. DESIGN: Qualitative descriptive design was used. METHODS: In this qualitative study, 23 critical care nurses were recruited via purposive sampling. Semi-structured interviews were done for data collection. The interviews were recorded digitally, transcribed word by word, and analyzed using the inductive content analysis approach. RESULTS: The barriers to the prevention of ventilator associated pneumonia fell into three main categories, namely nurses' limited professional competence, unfavorable environmental conditions, and passive human resource management. The 10 subcategories of these main categories were unfavorable professional attitude, limited professional knowledge, low job motivation, limited professional accountability, non-standard physical structure, inadequate or inappropriate equipment, heavy workload, staff shortage, inadequate staff training, and ineffective supervision. CONCLUSION: The barriers to the prevention of ventilator-associated pneumonia in intensive care units are very diverse and complex and include a wide range of interrelated personal, environmental, and organizational barriers. RELEVANCE TO CLINICAL PRACTICE: This study created a better understanding of the barriers to ventilator-associated pneumonia prevention. Moreover, highlighted the importance of sufficient resources, adequate staffing level, and contextually-appropriate evidence-based guidelines for effective ventilator-associated pneumonia prevention. PMID- 29215802 TI - Does stigma curvature promote delayed selfing? An experimental investigation in Triodanis perfoliata (Campanulaceae). AB - Self-fertilisation that is delayed until after opportunities for outcrossing have ceased has been argued to provide both the reproductive assurance benefits of selfing and the genetic advantages of outcrossing. In the Campanulaceae, presentation of pollen on stylar hairs and progressive stigma curvature have been hypothesised to facilitate delayed selfing, but experimental tests are lacking. Stigma curvature is common in Campanula, a genus largely characterised by self incompatibility, and therefore is unlikely to have initially evolved to promote self-fertilisation. In derived self-compatible species, however, stigma curvature might serve the secondary function of delayed selfing. We investigated delayed selfing in Triodanis perfoliata, a self-compatible relative of Campanula. Using floral manipulation experiments and pollen tube observations, we quantified the extent and timing of self-pollination. Further, we hypothesised that, if stigma curvature provides the benefit of delayed selfing in Triodanis, selection should have favoured retention of self-pollen through the loss of a stylar hair retraction mechanism. Results of a stigma removal experiment indicated that autonomous selfing produces partial seed set, but only some selfing was delayed. Pollen tube observations and a flower senescence assay also supported the finding of partial delayed selfing. Scanning electron microscopy revealed that pollen collecting hairs retract during anthesis, which may limit the extent of delayed selfing. Delayed selfing appeared to be only partially effective in T. perfoliata. The stylar hair retraction in this species would seem to contradict selection for selfing. We suggest that caution and rigour are needed in interpreting floral traits as adaptive mechanisms for delayed selfing. PMID- 29215803 TI - Reference Values for Spirometry Derived Using Lambda, Mu, Sigma (LMS) Method in Korean Adults: in Comparison with Previous References. AB - BACKGROUND: The present study aimed to update the prediction equations for spirometry and their lower limits of normal (LLN) by using the lambda, mu, sigma (LMS) method and to compare the outcomes with the values of previous spirometric reference equations. METHODS: Spirometric data of 10,249 healthy non-smokers (8,776 females) were extracted from the fourth and fifth versions of the Korea National Health and Nutrition Examination Survey (KNHANES IV, 2007-2009; V, 2010 2012). Reference equations were derived using the LMS method which allows modeling skewness (lambda [L]), mean (mu [M]), and coefficient of variation (sigma [S]). The outcome equations were compared with previous reference values. RESULTS: Prediction equations were presented in the following form: predicted value = e{a + b * ln(height) + c * ln(age) + M - spline}. The new predicted values for spirometry and their LLN derived using the LMS method were shown to more accurately reflect transitions in pulmonary function in young adults than previous prediction equations derived using conventional regression analysis in 2013. There were partial discrepancies between the new reference values and the reference values from the Global Lung Function Initiative in 2012. CONCLUSION: The results should be interpreted with caution for young adults and elderly males, particularly in terms of the LLN for forced expiratory volume in one second/forced vital capacity in elderly males. Serial spirometry follow-up, together with correlations with other clinical findings, should be emphasized in evaluating the pulmonary function of individuals. Future studies are needed to improve the accuracy of reference data and to develop continuous reference values for spirometry across all ages. PMID- 29215805 TI - Development of the Suicide Risk Scale for Medical Inpatients. AB - BACKGROUND: Inpatient suicide is one of the major issues related with hospital patient safety. Although there are many studies addressing suicide in the psychiatric unit, little is known about suicide in a medical setting. This study included the development and validation of a screening tool for the assessment of suicide risk, specialized for medical inpatients. METHODS: The preliminary questionnaire was based on review of previous suicide ideation scales, mood scales, and clinical experiences of psychiatrists and clinical psychologists in Korea. Initially, the questionnaire consisted of 12 questions. One hundred adult medical inpatients were asked to perform the questionnaire. Explorative factor analysis was used to examine construct validity. Concurrent validity was evaluated by comparison with the Korean versions of the Beck Scale for Suicide Ideation (BSI), the Beck Hopelessness Scale (BHS), and the Hospital Anxiety and Depression Scale (HADS). RESULTS: Five questions were removed from the preliminary questionnaire by explorative factor analysis and seven questions remained to comprise the Suicide Risk Scale for Medical inpatients (SRSM). Explorative factor analysis showed that the SRSM is composed of a single factor. SRSM was highly reliable in terms of internal consistency (Cronbach's alpha 0.91). Concurrent validity with the BSI, BHS, and HADS was statistically significant. The proposed cut-off score of the SRSM was five. CONCLUSION: In conclusion, the SRSM is a valid and reliable measure for screening suicide risks in medical inpatients. PMID- 29215804 TI - Cognitive Function and Neuropsychological Comorbidities in Children with Newly Diagnosed Idiopathic Epilepsy. AB - BACKGROUND: In this study, we aimed to identify cognitive function and neuropsychological comorbidities in children with newly diagnosed idiopathic epilepsy. METHODS: We retrospectively reviewed the records of 97 antiepileptic drug-naive children (9.7 +/- 2.9 years; 54 males and 43 females) with newly diagnosed idiopathic epilepsy, all of whom underwent a neuropsychological battery. The battery consisted of the Korean Wechsler Intelligence Scale, Attention Deficit Hyperactivity Disorder (ADHD) Rating Scale, ADHD Diagnostic System, Children's Depression Inventory, and State-Trait Anxiety Inventory for Children. We investigated association between scores of the neuropsychological battery and epilepsy classification, lateralization of interictal epileptiform discharges (IEDs) on electroencephalography (EEG), and variables related to seizures. RESULTS: Thirteen patients (14.3%) had ADHD symptoms. Three patients (4.1%) had depressive symptoms, and 9 (12.3%) had anxiety symptoms. Patients with idiopathic generalized epilepsy (IGE) had significantly lower full-scale intelligence and performance intelligence quotient scores than patients with idiopathic localization-related epilepsy (ILRE) (89.0 +/- 17.6 vs. 96.3 +/- 14.8; P = 0.030 and 88.9 +/- 16.3 vs. 97.0 +/- 16.4; P = 0.016, respectively). Patients with ILRE having unilateral IEDs had significantly higher full-scale intelligence quotient scores than patients with ILRE having bilateral IEDs and patients with IGE (99.9 +/- 12.2 vs. 93.7 +/- 16.1 vs. 89.0 +/- 17.6; P = 0.039, respectively). CONCLUSION: Our results suggest that idiopathic epilepsy may be accompanied by various neuropsychological comorbidities even at initial diagnosis. Patients with IGE and ILRE having bilateral IEDs on EEG appear more likely to be at high risk of decreased cognitive function. PMID- 29215806 TI - Development of an LCD-Based Visual Field System. AB - BACKGROUND: The present study investigated the diagnostic effectiveness of an LCD based visual field testing system (LVF) in comparison with the standard automated perimetry Humphrey Field Analyzer II-750i (HFA). METHODS: A randomized controlled crossover study was conducted with 202 normal and 128 glaucomatous eyes using both LVF and HFA. The visual field testing systems were compared in terms of mean deviation (MD), pattern standard deviation (PSD), and area under the receiver operating characteristics curve (AUC) of MD and PSD differentiating the normal and glaucomatous eyes. RESULTS: Significant correlations were found between MD measurements from LVF and those from HFA for normal eyes (r = 0.342) and glaucomatous eyes (r = 0.796); slightly higher significant correlations were identified between PSD measurements from LVF and those from HFA for normal eyes (r = 0.363) and glaucomatous eyes (r = 0.828). Furthermore, high AUCs of MD were found as 0.786 for LVF and 0.868 for HFA and AUCs of PSD as 0.913 for LVF and 0.932 for HFA. CONCLUSION: The comparison results of the present study support the competence of LVF compared with HFA in visual field testing for early detection of glaucoma. PMID- 29215807 TI - Utilization of Osteoporosis-Related Health Services: Use of Data from the Korean National Health Insurance Database 2008-2012. AB - BACKGROUND: Osteoporosis and its related fractures are increasingly being recognized as major health problems because of the rapidly increasing elderly population. In this study, we investigated the annual trend of osteoporosis related health services utilization. METHODS: Participants aged over 50 years were identified from the Korean National Health Insurance Service database between 2008 and 2012. Health service utilization rate and treatment rate were calculated through the operational definition. RESULTS: In this period, the number of osteoporosis patients, aged over 50 years, using the medical service, increased by 33.2%. This increase was higher in males than in females. Moreover, the number of newly diagnosed osteoporosis patients increased by 4.3% in women and 20.4% in men. To estimate the proportion of osteoporosis patients who utilize medical services, we analyzed prevalence data from the Korea National Health and Nutrition Examination Survey from 2008 to 2010. Less than 60% of patients with osteoporosis were estimated to have utilized medical services because of osteoporosis. Drug treatment rates were 34.1%, 31.1%, and 33.5% in 2008, 2009, and 2010, respectively. CONCLUSION: This study demonstrated an increasing trend in the utilization of the osteoporosis-related health services from 2008 to 2012 in Korea. The proportion of newly diagnosed osteoporosis patients and the prevalence of access to medical services increased more in men than in women. Therefore, an increasing need for prevention and treatment of male osteoporosis was observed. The osteoporosis treatment rate was lower than that for other chronic diseases; more efforts are needed to improve awareness regarding osteoporosis treatment. PMID- 29215808 TI - Prognostic Performance Evaluation of the International Society on Thrombosis and Hemostasis and the Korean Society on Thrombosis and Hemostasis Scores in the Early Phase of Trauma. AB - BACKGROUND: Disseminated intravascular coagulation (DIC) contributes to poor outcome in the early phase of trauma. We aimed to analyze and compare the prognostic performances of the International Society on Thrombosis and Hemostasis (ISTH) and the Korean Society on Thrombosis and Hemostasis (KSTH) scores in the early phase of trauma. METHODS: Receiver operating characteristics analysis was used to examine the prognostic performance of both scores, and multivariate analysis was used to estimate the prognostic impact of the ISTH and KSTH scores in the early phase of trauma. The primary outcome was 24-hour mortality and the secondary outcome was massive transfusion. RESULTS: Of 1,229 patients included in the study, the 24-hour mortality rate was 7.6% (n = 93), and 8.1% (n = 99) of patients who received massive transfusions. The area under the curves (AUCs) of the KSTH and ISTH scores for 24-hour mortality were 0.784 (95% confidence interval [CI], 0.760-0.807) and 0.744 (95% CI, 0.718-0.768), respectively. The AUC of KSTH and ISTH scores for massive transfusion were 0.758 (95% CI, 0.734 0.782) and 0.646 (95% CI, 0.619-0.673), respectively. The AUCs of the KSTH score was significantly different from those of the ISTH score. Overt DIC according to KSTH criteria only, was independently associated with 24-hour mortality (odds ratio [OR], 2.630; 95% CI, 1.456-4.752). Only the KSTH score was independently associated with massive transfusion (OR, 1.563; 95% CI, 1.182-2.068). CONCLUSION: The KSTH score demonstrates a better prognostic performance for outcomes than the ISTH score in the early phase of trauma. PMID- 29215809 TI - The Youngest Survivor with Gestational Age of 215/7 Weeks. AB - The decision whether or not to resuscitate extremely low gestational age (GA) infants is recommended to be individualized according to antenatal counseling with parents, neonatologists, and obstetricians. A GA of 220/7-236/7 weeks is generally considered as the lower end of the range where infants can be candidates for selective resuscitation. Below this lower end of periviable gestation, resuscitation is usually not considered and survivors are rarely reported. To date, the youngest survivor is an infant with a GA of 216/7 weeks reported in the English medical literature. Here, we report the case of a female infant, the first twin conceived through in vitro fertilization, with a GA of 215/7 weeks, who was resuscitated initially according to strong parental wishes after antenatal counseling and is still surviving at 43 months of age with fairly good neurodevelopmental outcome. PMID- 29215810 TI - Pediatric Deaths Attributed to Complex Chronic Conditions over 10 Years in Korea: Evidence for the Need to Provide Pediatric Palliative Care. AB - BACKGROUND: Pediatric palliative care (PPC) is the active total care of children suffering from life-threatening illnesses. Palliative care includes symptom management, psychosocial support, and end-of-life care. Despite significant advances in disease diagnosis and treatment, resources for PPC of children with serious illnesses are limited in Korea. This study aimed to investigate the scale, time trends, disease composition, regional distribution, and unmet needs of children dying from complex chronic conditions (CCCs). METHODS: We examined available information on children who died of CCCs from 2005 to 2014 using the cause of death statistics in Korea. RESULTS: There were 36,808 cases of pediatric deaths in Korea during that 10-year period, one-third (12,515 cases, 34.0%) of which were due to CCCs. In 2014, there were 1,044 cases of pediatric deaths due to CCCs (9.8 deaths per 100,000 children) in Korea. The rate of pediatric deaths due to CCCs has declined over this 10-year period. Among CCCs, malignancy was the most common cause of death overall, as well as in children and adolescents, whereas neonatal disorders were the most common cause of death in infants. Although over 1,000 children die from chronic illnesses each year, there are no hospitals or institutes in Korea that meet the minimum standards for specialized PPC. CONCLUSION: To improve the quality of life of children suffering from CCCs and to support their families who face enormous distress, children with CCCs should be able to access adequate palliative care services. Health authorities should consider supporting the establishment of PPC centers and increasing PPC accessibility in Korea. PMID- 29215811 TI - Impacts of Return-to-Work Type and Period on Job Retention in Workers with Occupational Injuries and Diseases. AB - BACKGROUND: Despite the necessity of job retention in achieving return-to-work (RTW) goals, many workers leave their jobs after returning to work. The objective of this study was to examine the impacts of RTW type and period on job retention in Korean workers with occupational injuries and diseases. METHODS: Data were derived from the Panel Study of Worker's Compensation Insurance, including data from 2,000 systemically sampled workers who had finished recuperation in 2012; three waves of survey data were included in the analyses. Workers who returned to work (n = 1,610) were included in the analysis of the relationship between RTW type and job retention, and 664 workers who returned to their original workplaces were included in the analysis of the relationship between RTW period and job retention. The participants completed a questionnaire, and administrative data were provided by workers' compensation insurance. RESULTS: A Cox proportional hazards regression analysis showed an increased hazard ratio (HR) for non retention of 2.66 (95% confidence interval, 2.11-3.35) in reemployed workers compared to that in workers returning to their original workplaces. Among workers returning to their original workplaces, HRs for non-retention were increased in workers with a RTW period of 13-24 months (3.03 [1.52-6.04]) and > 24 months (5.33 [2.14-13.25]) compared to workers with a RTW period of <= 3 months. CONCLUSION: RTW type and period were significantly related to job retention, suggesting that policies for promoting job retention rate should be implemented. PMID- 29215812 TI - Prevalence of Overweight and Income Gaps in 245 Districts of Korea: Comparison Using the National Health Screening Database and the Community Health Survey, 2009-2014. AB - BACKGROUND: We compared age-standardized overweight prevalence and their income gaps at the level of district in Korea using the National Health Screening Database (NHSD) and the Community Health Survey (CHS). METHODS: We analyzed 39,093,653 subjects in the NHSD and 926,580 individuals in the CHS between 2009 and 2014. For the comparison of body mass index (BMI) distributions, data from 26,100 subjects in the Korea National Health and Nutrition Examination Survey (KNHANES) were also analyzed. We calculated the age-standardized overweight prevalence and its interquintile income gap at the district level. We examined the magnitudes of the between-period correlation for age-standardized overweight prevalence. The differences in overweight prevalence and its income gap between the NHSD and the CHS were also investigated. RESULTS: The age-adjusted mean BMI from the CHS was lower than those from the NHSD and the KNHANES. The magnitudes of the between-period correlation for overweight prevalence were greater in the NHSD compared to the CHS. We found that the district-level overweight prevalence in the NHSD were higher in all districts of Korea than in the CHS. The correlation coefficients for income gaps in overweight prevalence between the two databases were relatively low. In addition, when using the NHSD, the district level income inequalities in overweight were clearer especially among women than the inequalities using the CHS. CONCLUSION: The relatively large sample size for each district and measured anthropometric data in the NHSD are more likely to contribute to valid and reliable measurement of overweight inequality at the district level in Korea. PMID- 29215813 TI - Kidney Transplantation in Patients with Atypical Hemolytic Uremic Syndrome due to Complement Factor H Deficiency: Impact of Liver Transplantation. AB - BACKGROUND: Atypical hemolytic uremic syndrome (aHUS) is a rare disease that is often associated with genetic defects. Mutations of complement factor H (CFH) are the most common genetic defects that cause aHUS and often result in end-stage renal disease. Since CFH is mainly produced in the liver, liver transplantation (LT) has been performed in patients with defective CFH. METHODS: The clinical courses of four kidney allograft recipients who lost their native kidney functions due to aHUS associated with a CFH mutation were reviewed. RESULTS: Subject A underwent kidney transplantation (KT) twice, aHUS recurred and the allograft kidney failed within a few years. Subject B received a KT and soon experienced a recurrence of aHUS coinciding with infection. Her allograft kidney function has worsened, and she remains on plasma infusion therapy. Subject C underwent LT followed by KT. She is doing well without plasma infusion therapy after combined LT-KT for 3 years. Subject D received KT following LT and is now recurrence-free from aHUS. CONCLUSION: In patients with aHUS associated with a CFH mutation, KT without LT was complicated with a recurrence of aHUS, which might lead to allograft loss. Conversely, LT was successful in preventing the recurrence of aHUS and thus might be another option for a recurrence-free life for aHUS patients associated with CFH mutation. PMID- 29215814 TI - Safety and Efficacy of B-domain Deleted Third Generation Recombinant Factor VIII (GreenGene FTM) in Korean Patients with Hemophilia A: Data from a Post-marketing Surveillance Study. AB - BACKGROUND: New B-domain deleted third generation recombinant factor VIII (FVIII; GreenGene FTM, beroctocog alfa) was launched in 2010. We determined safety and efficacy of GreenGene FTM during routine clinical practice in patients with hemophilia A over a period of 12 months. METHODS: From July 2010 to July 2014, a total of 136 hemophilia A patients were enrolled in a post-marketing surveillance (PMS) study. Among them, 134 patients were assessed for drug safety and 114 patients were analyzed for drug efficacy. Patients with differing hemophilia A severities and medical histories were monitored during 12 months of prophylactic and/or on-demand therapy. RESULTS: Among 134 patients evaluated, 85 (63.4%) had severe hemophilia. Ninety-two received a total of 1,266,077 units for prophylaxis, and 42 received 516,491 units for bleeding episodes. Three patients developed inhibitors. In 112 previously treated patients, one patient (0.9%) developed inhibitor after intensive FVIII treatment for surgery. Among 22 previously untreated patients, inhibitors were observed in 2 infants (9.1%). Overall, there were a total of 47 adverse events (other than inhibitors) of all types in 30 patients (22.4%), 11 in 10 patients (7.5%) of which were considered showing serious adverse events (SAEs); most of which were hemorrhages at different sites. None of the SAEs were judged as product related. An excellent/good efficacy rate of 91.3% for hemostasis and 89.4% for hemorrhage prevention was recorded. CONCLUSION: The results of this PMS study support the use of GreenGene FTM as safe and efficacious in hemorrhage prevention and treatment of hemophilia A. These results are consistent with the findings from previously published GreenGene FTM studies. PMID- 29215815 TI - Plasma MicroRNA-21, 26a, and 29a-3p as Predictive Markers for Treatment Response Following Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma. AB - BACKGROUND: We investigated an association between the levels of plasma microRNA (miRNA)-21, -26a, and -29a-3p and treatment outcomes following transarterial chemoembolization (TACE) in patients with hepatocellular carcinoma (HCC). METHODS: A total of 198 patients with TACE-treated HCC were followed up for TACE refractoriness and liver transplantation (LT)-free survival. Pretreatment plasma miRNA-21, -26a, and -29a-3p levels were measured using quantitative real-time polymerase chain reaction. RESULTS: During the mean follow-up of 22.3 (range, 0.7 79) months, 118 (59.6%) patients exhibited TACE refractoriness. Multivariate analyses showed that expression of a specific combination of miRNAs (miRNA-21 >= 2.5, miRNA-26a >= 1.5, and miRNA-29a-3p < 0.4) was associated with early TACE refractoriness (within 1 year; hazard ratio [HR], 2.32; 95% confidence interval [CI], 1.08-4.99; P = 0.031) together with tumor size (HR, 4.62; 95% CI, 1.50 14.21; P = 0.008), and macrovascular invasion (HR, 3.80; 95% CI, 1.19-12.20; P = 0.025). However, miRNA-21, -26a, and -29a-3p levels were not significantly associated with overall TACE refractoriness or LT-free survival. Additionally, large tumor size and macrovascular invasion were common predictive factor of overall TACE refractoriness and survival. CONCLUSION: Combination of plasma miRNA 21, -26a, and -29a-3p expression could predict early TACE refractoriness in patients with TACE-treated HCC. PMID- 29215817 TI - Fostering Strategic Changes in Publishing: Journal of Korean Medical Science in 2018. PMID- 29215816 TI - Efficacy of Afatinib in a Previously-Treated Patient with Non-Small Cell Lung Cancer Harboring HER2 Mutation: Case Report. AB - Human epidermal growth factor receptor 2 (HER2) mutation in non-small cell lung cancer (NSCLC) is an oncogenic driver that possibly becomes a druggable target to HER2-targeted therapy. The benefit of HER2-targeted therapy is much less defined especially in eastern populations. We provide evidence of clinical benefit of afatinib in a 50-year-old Asian woman with HER2-mutant NSCLC who previously failed cytotoxic chemotherapy and gefitinib treatment. Next-generation sequencing of the tumor tissue revealed a HER2 exon 20 mutation (c.2437A>G), which has never been reported. The patient was treated with afatinib for more than four months. She showed rapid radiologic response within a month, and maintained stable state until the last dose of afatinib. PMID- 29215818 TI - Lead, Mercury, and Cadmium Exposure in the Korean General Population. AB - BACKGROUND: Lead (Pb), mercury (Hg), and cadmium (Cd) are well-known environmental pollutants. They are unnecessary in the biological processes of humans. This study was performed to estimate the representative background exposure levels to the metals by measuring concentrations in whole blood of the Korean general population. METHODS: This population-based cross-sectional study included 4,000 subjects (1,886 males and 2,114 females) 0-83 years of age in 2010 and 2011. Adult subjects (>= 19 years of age) were collected by sex- and age stratified probability method, and preschool- and school-aged subjects were recruited by a cluster sampling method. Written consent was provided prior to blood sampling. Pb and Cd blood concentrations were determined by a flameless atomic absorption spectrophotometry, and blood Hg was analyzed by a direct Hg analyzer. RESULTS: The geometric mean, median and 95th percentile of blood Pb was 1.82 MUg/dL, 1.83 MUg/dL, and 3.78 MUg/dL, respectively. The respective values were 2.92 MUg/L, 2.87 MUg/L, 9.12 MUg/L for Hg, and 0.56 MUg/L, 0.59 MUg/L, 2.20 MUg/L for Cd. Blood Pb and Hg were higher in males than in females, but no sex difference was observed, respectively, in subjects 0-4 years of age for Pb and in subjects less than 20 years for Hg. However, blood Cd was higher in females than in males and no sex difference was observed in subjects < 30 years of age. CONCLUSION: This study provides representative data of human exposure to Pb, Hg, and Cd covering whole age groups of the general population in Korea. PMID- 29215819 TI - Prevalence of Malnutrition in Hospitalized Patients: a Multicenter Cross sectional Study. AB - BACKGROUND: Malnutrition is associated with many adverse clinical outcomes. The present study aimed to identify the prevalence of malnutrition in hospitalized patients in Korea, evaluate the association between malnutrition and clinical outcomes, and ascertain the risk factors of malnutrition. METHODS: A multicenter cross-sectional study was performed with 300 patients recruited from among the patients admitted in 25 hospitals on January 6, 2014. Nutritional status was assessed by using the Subjective Global Assessment (SGA). Demographic characteristics and underlying diseases were compared according to nutritional status. Logistic regression analysis was performed to identify the risk factors of malnutrition. Clinical outcomes such as rate of admission in intensive care units, length of hospital stay, and survival rate were evaluated. RESULTS: The prevalence of malnutrition in the hospitalized patients was 22.0%. Old age (>= 70 years), admission for medical treatment or diagnostic work-up, and underlying pulmonary or oncological disease were associated with malnutrition. Old age and admission for medical treatment or diagnostic work-up were identified to be risk factors of malnutrition in the multivariate analysis. Patients with malnutrition had longer hospital stay (SGA A = 7.63 +/- 6.03 days, B = 9.02 +/- 9.96 days, and C = 12.18 +/- 7.24 days, P = 0.018) and lower 90-day survival rate (SGA A = 97.9%, B = 90.7%, and C = 58.3%, P < 0.001). CONCLUSION: Malnutrition was common in hospitalized patients, and resulted in longer hospitalization and associated lower survival rate. The rate of malnutrition tended to be higher when the patient was older than 70 years old or hospitalized for medical treatment or diagnostic work-up compared to elective surgery. PMID- 29215820 TI - Antiviral Efficacy of Tenofovir Monotherapy in Children with Nucleos(t)ide-naive Chronic Hepatitis B. AB - BACKGROUND: The purpose was to compare the efficacy between tenofovir disoproxil fumarate (TDF) and lamivudine (LMV) in children with nucleos(t)ide-naive chronic hepatitis B (CHB) infection. Patients with CHB were treated with TDF in the immune-reactive phase and compared with a historical control group of patients treated with LMV before the TDF era. METHODS: Hepatitis B virus (HBV) DNA titer decrements (> 3 log10 IU/mL) were monitored after treatment initiation. The treatment duration for HBV DNA clearance (< 357 IU/mL) and complete response (HBeAg loss and HBV DNA clearance) were analyzed. The follow-up period was 96 weeks. RESULTS: Sixteen patients were treated with TDF and compared with a historical control group of 24 patients treated with LMV. HBV DNA decrement (> 3 log10 IU/mL) was achieved in 100% (16/16) of the TDF group but in only 62.5% (15/24) of the LMV group (P = 0.005) at 48 weeks. The HBV DNA clearance (< 357 IU/mL) in the TDF and LMV groups was, respectively, as follows: 62.5% (10/16) and 25.0% (6/24) at 12 weeks (P = 0.018), 81.3% (13/16) and 37.5% (9/24) at 24 weeks (P = 0.006), 93.8% (15/16) and 50.0% (12/24) at 48 weeks (P = 0.004), and 100% (16/16) and 54.2% (13/24) at 96 weeks (P = 0.001). Complete response occurred in 41.7% (5/12) of HBeAg-positive patients in the TDF group and 28.6% (6/21) of the LMV group at 96 weeks (P = 0.443). CONCLUSION: TDF monotherapy for 96 weeks produced a significantly more effective virologic response than LMV monotherapy in children with nucleos(t)ide-naive CHB. PMID- 29215821 TI - A Fast 3-Dimensional Magnetic Resonance Imaging Reconstruction for Surgical Planning of Uterine Myomectomy. AB - BACKGROUND: Uterine myoma is the most common benign gynecologic tumor in reproductive-aged women. During myomectomy for women who want to preserve fertility, it is advisable to detect and remove all myomas to decrease the risk of additional surgery. However, finding myomas during surgery is often challenging, especially for deep-seated myomas. Therefore, three-dimensional (3D) preoperative localization of myomas can be helpful for the surgical planning for myomectomy. However, the previously reported manual 3D segmenting method takes too much time and effort for clinical use. The objective of this study was to propose a new method of rapid 3D visualization of uterine myoma using a uterine template. METHODS: Magnetic resonance images were listed according to the slide spacing on each plane of the multiplanar reconstruction, and images that were determined to be myomas were selected by simply scrolling the mouse down. By using the selected images, a 3D grid with a slide spacing interval was constructed and filled on its plane and finally registered to a uterine template. RESULTS: The location of multiple myomas in the uterus was visualized in 3D and this proposed method is over 95% faster than the existing manual-segmentation method. Not only the size and location of the myomas, but also the shortest distance between the uterine surface and the myomas, can be calculated. This technique also enables the surgeon to know the number of total, removed, and remaining myomas on the 3D image. CONCLUSION: This proposed 3D reconstruction method with a uterine template enables faster 3D visualization of myomas. PMID- 29215822 TI - Eleven-year Cumulative Incidence and Estimated Lifetime Prevalence of Urolithiasis in Korea: a National Health Insurance Service-National Sample Cohort Based Study. AB - BACKGROUND: The purpose of this study was estimation of the cumulative incidence and lifetime prevalence of urolithiasis in Korea. METHODS: We used a National Health Insurance Service (NHIS) sample cohort dataset that included approximately 1 million individuals from Korea. Data from January 2002 to December 2013 were collected. We calculated the annual prevalence, recurrence rate, and estimate lifetime prevalence of urolithiasis. Multivariate logistic regression analysis was used to identify risk factors associated with urolithiasis. RESULTS: There were 57,921 diagnosed urolithiasis cases in the NHIS database over the 11 years studied. The annual incidence of urolithiasis increased every year (Poisson regression; hazard ratio, 1.025; P < 0.001). Of the patients with urolithiasis, 21.3% experienced disease recurrence within 5 years. The 11-year cumulative incidence was 5.71%, and the incidence in men was higher than that seen in women (7.07% vs. 4.34%, respectively). The 11-year cumulative incidence in the 60- to 69-year-old group (9.08%) was higher than that seen in any other age group. The overall standardized lifetime prevalence rate was estimated to be 11.5%: 12.9% in men and 9.8% in women. Meanwhile, age (> 60 years), income level, diabetes, body mass index, hypertension, and cancer history were identified as contributing factors to urolithiasis. CONCLUSION: This study demonstrates that the annual incidence of urolithiasis in Korea is increasing. The overall standardized lifetime prevalence rate was higher than that reported in a previous report. This study is significant in that it is the first retrospective cohort study to estimate the lifetime prevalence of urolithiasis using a large national retrospective cohort. PMID- 29215825 TI - EMS Vs. Police Transport: Should we allow police officers to transport trauma patients? PMID- 29215824 TI - Pulmonary Histoplasmosis Identified by Video-Assisted Thoracic Surgery (VATS) Biopsy: a Case Report. AB - Histoplasmosis is a common endemic mycosis in North, Central, and South America, but Korea is not known as an endemic area. We treated an immunocompetent Korean patient who had histoplasmosis. A 65-year-old Korean man presented with multiple pulmonary clumps of tiny nodules in the both lungs. He had been diagnosed 40 years earlier with pulmonary tuberculosis (TB) and a fungus ball had been diagnosed 4 years earlier. He denied any history of overseas travel. The patient visited our hospital with dyspnea, blood-tinged sputum, and weight loss, which had appeared 2 months earlier. The patient underwent video-assisted thoracic surgery (VATS) lung biopsy. The biopsy sample showed necrotizing granuloma and the presence of multiple small yeast-like fungi. Tissue culture confirmed Histoplasma capsulatum, and he was finally diagnosed with pulmonary histoplasmosis. Therapy was initiated with 200 mg itraconazole orally once per day. The symptoms disappeared 1 week after the start of treatment. After 4 months, low-dose chest computed tomography showed improvement in the ground glass opacity and size of the lung lesions. In conclusion, we report a case of an immunocompetent patient who developed histoplasmosis in Korea. When a patient shows unexplainable progressive infiltrative lung lesions, histoplasmosis should be considered as one of differential diagnoses although Korea is not an endemic area. PMID- 29215826 TI - When is the Need for Speed? PMID- 29215823 TI - Validation of the Korean Version of the Scales for Outcomes in Parkinson's Disease-Sleep. AB - BACKGROUND: Sleep problems commonly occur in patients with Parkinson's disease (PD), and are associated with a lower quality of life. The aim of the current study was to translate the English version of the Scales for Outcomes in Parkinson's Disease-Sleep (SCOPA-S) into the Korean version of SCOPA-S (K-SCOPA S), and to evaluate its reliability and validity for use by Korean-speaking patients with PD. METHODS: In total, 136 patients with PD from 27 movement disorder centres of university-affiliated hospitals in Korea were enrolled in this study. They were assessed using SCOPA, Hoehn and Yahr Scale (HYS), Unified Parkinson's Disease Rating Scale (UPDRS), Parkinson's Disease Sleep Scale 2nd version (PDSS-2), Non-motor Symptoms Scale (NMSS), Montgomery Asberg Depression Scale (MADS), 39-item Parkinson's Disease Questionnaire (PDQ39), Neurogenic Orthostatic Hypotension Questionnaire (NOHQ), and Rapid Eye Movement Sleep Behaviour Disorder Questionnaire (RBDQ). The test-retest reliability was assessed over a time interval of 10-14 days. RESULTS: The internal consistency (Cronbach's alpha-coefficients) of K-SCOPA-S was 0.88 for nighttime sleep (NS) and 0.75 for daytime sleepiness (DS). Test-retest reliability was 0.88 and 0.85 for the NS and DS, respectively. There was a moderate correlation between the NS sub-score and PDSS-2 total score. The NS and DS sub-scores of K-SCOPA-S were correlated with motor scale such as HYS, and non-motor scales such as UPDRS I, UPDRS II, MADS, NMSS, PDQ39, and NOHQ while the DS sub-score was with RBDQ. CONCLUSION: The K SCOPA-S exhibited good reliability and validity for the assessment of sleep problems in the Korean patients with PD. PMID- 29215827 TI - No Need for Speed: Response and transport with red lights and siren. PMID- 29215828 TI - From the Operating Room to the Streets: A comprehensive review of the most versatile item in your drug box. PMID- 29215829 TI - [Reprogrammed M1 macrophages with inhibited STAT3, STAT6 and/or SMAD3 extends lifespan of mice with experimental carcinoma]. AB - Objective. Reprogramming of M1 macrophage phenotype with inhibited M2 phenotype transcription factors, such as STAT3, STAT6 and SMAD and assess their impact on the development of Ehrlich carcinoma (EC) in vitro and in vivo. Methods. Tumor growth in vitro was initiated by addition of EC cells in RPMI-1640 culture medium and in vivo by intraperitoneal of EC cell injection into mice. Results. It was found that M1-STAT3/6- SMAD3 macrophages have a pronounced anti-tumor effect in vitro, and in vivo, which was greater than anti-tumor effects of M1, M1-STAT 3/6, M1-SMAD3 macrophages and cisplatin. Conclusion. M1 macrophages with inhibited STAT3, STAT6 and/or SMAD3 effectively restrict tumor growth. The findings justify the development of new anti-tumor cell therapy technology. PMID- 29215830 TI - [Study of migration and distribution of bone marrow cells transplanted animals with B16 melanoma ]. AB - Purpose. Reveal features migration and distribution of syngeneic bone marrow cells (BMC) and subpopulations (MSC) after transplantation into the recipient carrier B16 melanoma bodies. Methods. We used mouse male and female C57BL/6 mice. Induction of Tumor Growth: B16 melanoma cells implanted subcutaneously into right hind paw of female C57BL/6 mice at a dose of 2.5 x 105 cells / mouse. migration study in vivo distribution and BMC and MSC was performed using genetic markers - Y-chromosome specific sequence line male C57Bl/6 syngeneic intravenous transplantation in females using the polymerase chain reaction (PCR) in real time on Authorized Termal Cycler - Light Cycler 480 II / 96 (Roche). Introduction suspension of unseparated bone marrow cells, mesenchymal stem cells from donor to recipient male mice (syngeneic recipient female C57BL/6), followed by isolation of recipients of organs was performed at regular intervals, then of organ recipients isolated DNA. Results. It was shown that bone marrow cells positive for Y-chromosome in migrate lymphoid (lymph nodes, spleen, bone marrow) or in non lymphoid organs (liver, heart, brain, skin) syngeneic recipients. In addition to the migration of cells from the bone marrow to other organs, there is a way back migration of cells from the circulation to the bone marrow. B16 melanoma stimulates the migration of transplanted MSCs and BMC in bone marrow. It is found that tumor growth enhanced migration of transplanted bone marrow cells, including populations of MSCs in the bone marrow. In the early stages of tumor formation MSC migration activity higher than the BMC. In the later stages of tumor formation undivided population of bone marrow cells migrate to the intense swelling compared with a population of MSCs. Conclusion. The possibility of using bone marrow MSCs for targeted therapy of tumor diseases, because migration of MSCs in tumor tissue can be used to effectively deliver anticancer drugs. PMID- 29215831 TI - Evaluating Research: Seven essential questions to evaluate clinical research. PMID- 29215832 TI - [Activation of regeneration of red and white pulp of the spleen after the combined transplantation of HSC and MSCS in terms of exposure to ionizing radiation]. AB - The purpose of this work was to study the effect of combined transplantation of multipotent mesenchymal stromal (MSCS) and hematopoietic stem cells (HSCs) isolated from the placenta, on the regeneration of white and red pulp of the spleen under physiological conditions and in conditions of exposure to ionizing radiation. Methods. The experiments were performed with laboratory mice-males. We studied the influence of ionizing radiation dose of 4.0 Gy. Animals of the experimental group were intravenously infused into MMSC and GSK respectively at a dose of 6 million cells/kg and 330 thousand cells/kg, suspended in 0.2 ml of 0.9% NaCl solution. The selection of hematopoietic stem cells was carried out using the direct technique of immune magnetic separation. Were studied the following morphometric parameters of the spleen: the average area of lymphoid follicles, the average area of zone of lymphoid follicles, average size of germinal center of lymphoid follicles, average size T-zones of lymphoid follicles, the average distance between the centers of the follicles, the average cellularity of the red pulp. Results. As a result, of research obtained that after exposure to ionizing radiation on the background of combined transplantation of HSC and MSCS there is an increase in size of lymphoid follicle at the expense of area B-zone of the follicle, the area germinative center of the follicle, restoring the content of lymphoblasts and lymphoblasts and lymphocytes to normal values. On the background of transplantation MMSC and GSK in terms of radiation exposure changes and the red pulp of the spleen. The increase in the density of cells in the red pulp of the spleen and, as a consequence, of the increase of the distance between the centers of lymphoid follicles. The increase in the density of cells in the red pulp occurs due to the increase in the content of erythroid cells and by increasing granulocytes. Key words: ionizing radiation, multipotent mesenchymal stromal cells, hematopoietic stem cells, spleen, regeneration. Conclusion. Studies have shown the effectiveness of combined transplantation MSC and GSK in respect of the main morphometric parameters of the spleen after exposure to ionizing radiation. PMID- 29215833 TI - [Effect of conditioned medium from mesenchymal stem cells on regeneration of endothelium at HCl-induced damage trachea in rats]. AB - The purpose. Respiratory epithelium regeneration is studied in rats with tracheal damage induced by inhaling hydrochloric acid vapor. Method. Regeneration process after the chemical burn was activated by intratracheal administration of preparations obtained from the same-species mesenchymal stem cells (MSC). Results. Tracheal epithelium is shown to recover almost completely on day 3-7 after applying MSC compositions (MSCs). Closed structures containing ciliated cells similar to ciliated cells of the respiratory epithelium lining the trachea are formed in the submucosal epithelium during regeneration. These structures migrate towards epithelium and get incorporated into the damaged epithelium. This phenomenon is apparently indicative of the special mechanism of respiratory epithelium regeneration after HCl-induced injury. Conclusion. It is demonstrated in this study that cell-free MSCs instilled intratracheally promote the recovery of normal submucosal epithelium by either preventing or reducing necrosis and inflammation. Such topical MSCs administration significantly accelerates migration of ciliated cell towards the surface and de novo formation of the ciliary epithelium. PMID- 29215834 TI - A United Response: Programs in Israel and Jersey City, N.J., shift the paradigm of the community's role in medical response and disaster preparedness. PMID- 29215835 TI - [Matrix metalloproteinase-1, -8, -9 and the risk of cardiovascular complications in patients with CHD before and after myocardial revascularization]. AB - There is still a great need for detection of biomarkers for early prediction and diagnosis of cardiovascular complications (CVC) in patients with CHD. Objective: To determine the role of MMP-1, 8, 9 in the risk of CCO in patients with CHD before and after coronary artery bypass grafting (CABG). Methods. The study included 75 patients with coronary heart disease before and after myocardial revascularization by CABG, including 40 men and 35 women aged from 45 to 74 years. Patients were divided into two groups: I group - 25 patients with CVC registered after CABG (acute myocardial infarction, ischemic stroke, pulmonary thromboembolism Branch); II group - 50 patients with coronary heart disease without complications after myocardial revascularization. Blood sampling was performed the day before surgery, on the 1st, 3rd and 10th days after CABG. Determining the level of MMP-1, 8, 9 in the serum was performed by ELISA using reagents specific "RD Diagnostics Inc.", USA. Results are expressed in ng/ml. Data are presented as medians and quartiles of two (Me, Q25, Q75). Within and between-group differences were evaluated using the Mann - Whitney, Spearman correlation coefficient and c2 test within the application program SPSS No16. Statistically significant differences between the indicators considered when you reject the hypothesis and significance level of p<0,05. Results. A statistically increased concentration of MMP-1 and MMP-8 in patients in group I. Undetermined significant dynamics of MMP-9 in patients after myocardial revascularization. Conclusion. The results indicate that the level of MMP-1, 2.5 ng/ml or more in patients with CAD is a diagnostic criterion for the risk of TE complications. No association between high content of MMP-8 and the presence of complications in patients after surgery. There were no significant dynamics of MMP-9 in patients after myocardial revascularization. PMID- 29215837 TI - A New Tradition: Nurse practitioner unit helps L.A. Fire Department meet increased demand. PMID- 29215838 TI - [Effekt of blood flow shutdown on the vein damage when exposed to HIFU]. AB - The purpose. In the study we investigated the impact of the partial blood flow shutdown on structural changes in the rabbit vena cava posterior wall after exposure to high-intensity focused ultrasound (HIFU). Methods. Ultrasound Exposure: frequency of 1.65 MHz, the ultrasound intensity in the focus of 13.6 kW/cm2, the area of the focal spot 1 mm2, continuous ultrasound, exposure for 3 seconds. Results. Immediately after HIFU exposure all layers of the vein wall showed characteristic signs of thermal damage. A week after exposure structural changes in the intima, media and adventitia was minimal in the part of vessel with preserved blood flow, and after 4 weeks the changes were not revealed. A week after HIFU exposure partial endothelium destruction, destruction of myocytes, disorganization and consolidation of collagen fibers of the adventitia were observed in an isolated segment of the vessel, and in 4 weeks endothelium restored and signs of damage in media and adventitia persisted, but were less obvious than in a week after exposure. Conclusion. The shutdown of blood flow after exposure to HIFU promotes persistent changes in the vein wall. Vein compression appears to be necessary for the obliteration of the vessel, when using HIFU-technology. PMID- 29215839 TI - [Interaction of epinephrine and ADP in regulation of platelet function in chronic cerebral ischemia ]. AB - The purpose is devoted to test of hypothesis that patients with chronic cerebral ischemia (CCI) have decreased secretion of platelet ADP as the reason of platelet aggregation restriction in response to stimulation of adrenaline. Methods. We used platelet-rich plasma which was separated by centrifugation from peripheral blood of 55 patients with a diagnosis of CCI of stage 1-2. Platelets aggregation was studied on aggregometer Chrono - Log (USA). ADP and Epinephrine were used for platelet stimulation at effective concentration (EC50). Modulatory role of ADP subthreshold doses (0.5 mM) in platelet activation was analyzed with its addition to a suspension of platelets stimulated by agonists (EC50). Results. In 35 patients (group 1) with platelet hyperreactivity to ADP (EC50) response of platelets to Epinephrine was heterogeneous: in 17 cases (48.6%) there was high response (50%) and in 18 cases (51.4%) there was low platelet response to Epinephrine. 20 patients (group 2) had hyporesponsiveness of platelets upon stimulation by both agonists. It was established that the low initial response of platelets to Epinephrine in vitro might be due to reduced secretion of ADP, i.e. limited adaptive response since administration of ADP subthreshold doses enhances adrenoreactivity of platelets. If pathochemical violations underlying the formation of platelet disadaptation are reversible, it is possible to recover the reaction of platelets to Epinephrine. Conclusion. In reducing the functional response of platelets to Epinephrine key issue is establishing the reversibility of violations of platelets adaptive response of platelets. PMID- 29215840 TI - Rethinking Naloxone: Overdose drug is only one part of the cycle of narcotic abuse. PMID- 29215842 TI - Hands On: Product Reviews From Street Crews. PMID- 29215841 TI - [Histamine metabolism disorder in pathogenesis of chronic pelvic pain in patients with external genital endometriosis]. AB - Objective. To study features of histamine metabolism in patients with chronic pelvic pain associated with external genital endometriosis. Methods. For quantitative assessment of histamine level in peripheral blood was taken from 100 patients which than was centrifuged. In blood serum histamine concentration was determined by enzyme-linked immunosorbent assay method with reagents "Histamine ELISA" on the machine BAE-1000 Histamine (Labor Diagnostika Nord - LDN, Hermany). A pain syndrome was assessed by Visual Analog Scale (VAS), quality of life assessment - by Endometriosis Health Profile Questionnaire (EHR-30), level of anxiety was determined by Spielberger-Khanin questionnaire. The results. Showed statistically higher histamine level in patients with severe pain according to VAS. After assessment of results obtained from Spielberger-Khanin questionnaire 100% experimental group's women with external genital endometriosis (n = 60) were noted to be have high level of state and trait anxiety, then 40% women of control group (n = 16) have moderate level of anxiety. The incidence of depression in women with chronic pelvic pain was 58.3% (n = 35) and the main part (n = 20) were women with severe stage of pelvic pain according to VAS. Conclusions. Psycho emotional condition of women with external genital endometriosis associated pelvic pain characterized by higher depression and anxiety levels, with significant decrease quality of life. Direct relationship also was found between pain syndrome intensity and histamine level in peripheral blood in patients with external genital endometriosis. PMID- 29215843 TI - [Influence of partial hepatectomie on ammoniumdetoxications function of liver at chronic tetrachlorcarbon hepatitis]. AB - The purpose. To study the effect of partial hepatectomy (PH) on the main ways of ammonia detoxication in the liver (synthesis of urea and glutamine) in chronic tetrachlorcarbon (CCl4) hepatitis. Methods. The experiments were performed on 165 white outbred rats (females) weighing 180-220 g Chronic CCl4-hepatitis was reproduced by subcutaneous injection of 50% CCl4 solution in olive oil (0.1 ml/100g of body weight,65 days, through the day with two two-week breaks between 6-7 and 13-14 injections). PH conducted electrocautery, removing part of the left lobe of the liver (15-20% by weight of the body) to 65th (and last) day of the introduction of the CCl4. Animals were studied after 65 days of development of CCl4-hepatitis on day 3, 7 and 14 days after laparotomy ("falsely operated" animals) and partial hepatectomy. In subcellular fractions of the liver investigated the activity of phosphatdependent glutaminase (FDG), glutamatdehydrogenaze (GDG), glutaminsintetaze (GS), arginase. In the liver tissue investigated the content of ammonia, glutamine, glutamate and urea. Results. Found that on 65-th day of the development of CCl4 in the liver decreases the concentration of ammonia, glutamine, glutamate, urea, and activity of GS, GDG and arginase. Activity FDG was not changed. The use of PH on the background of chronic CCl4-hepatitis has a short-term (3 days) a stimulating effect on the activity FDG, GS, postponed (14 days) the inhibitory effect on the activity of GDG. This was accompanied by an increase in the concentration in the liver of ammonia within 14 days of the postoperative period on the background of maintaining reduced concentrations of glutamine and glutamate it. The stimulatory effect of CHA on the activity of arginase is saved to the 14th day of the postoperative period, however, the concentration of urea in the liver remained below normal. Conclusions. The obtained results show that CGA on the background of chronic hepatitis increases the pathological impact of CCl4 on amniocentesis liver function. PMID- 29215844 TI - [Exposure to toxic dose of adrenaline on the functional state of the liver]. AB - The purpose: The blood biochemical parameters characterizing the functional state of the liver, and the morphological profile of the body after a single exposure to a toxic dose of adrenaline were studied. Methods: Studies were conducted on 60 adult rats (female) weighing 0.15-0.2 kg, were divided into groups: intact animals; experience - animals, injected with epinephrine hydrochloride intraperitoneally in a dose of 0.5 mg/kg. All kinds of Biological material (blood, liver) were collected out through one and ten days after the start of the experiment. The degree of influence of high doses of epinephrine were evaluated in terms of lipid peroxidation (LPO) and protein (PSP) in liver homogenates, the concentration of average weight molecules (MSM), the activity of ALT, AST, alkaline phosphatase, LDH, total protein concentration, glucose and lactate in the blood plasma, as well as the determination of the prothrombin time (PTT) with the counting on the basis thereof of international normalized ration (INR). Histology of the liver was studied by light microscopy. Results: It was found that throughout the experiment, there was an increased in the concentration of lipid peroxidation products and protein in liver homogenates, there was an increase in the concentration of MSM 1.7. Twenty-four hours after the administration of a toxic dose of adrenaline observed hyperenzymemia that manifested an increase in the activity of ALT and AST, was an increase in LDH. After 10-day five after the start of the experiment established the presence hyperenzymemia activity decreased ALT and AST, LDH activity remained elevated, total protein level was higher than in the group of animal in which investigations were conducted one day after the start of the experiment, PTV also continued to decline. In histological sections of the development of a pathological condition characterized by circulatory disturbance - plasmatization, both in central and in small vessels. From the hepatocytes both in the center and the periphery had changes granular dystrophy type, to some extent vacuolar. PMID- 29215845 TI - #Millennials: A baby boomer compromises with Gen Y. PMID- 29215846 TI - [Possibilities of correction rheological blood svoytv at chipped and cut wounds of the breast ]. AB - The purpose: research objective: to study influence of electromagnetic oscillations of millimetric range on rheological properties of blood at patients with chipped and cut wounds of a breast for the purpose of their correction. Methods. For the solution of a research objective we have carried out studying of changes of rheological properties of blood at the 22nd patient with the getting chipped and cut wounds of a breast without internal injury during the next postoperative period. All patient has executed primary surgical processing and drainage of a pleural cavity. At all patients the volume of blood loss has made 200-500 ml. Criteria of inclusion were: existence of the getting wound of a thorax, existence of a small gemotoraks. Criteria of an exception: blood loss existence more than 500 ml, existence of the combined and multiple damages. The main group is divided into two subgroups, in the first 12 patients with application of electromagnetic oscillations of millimetric range, have entered the second 10 people without application of electromagnetic oscillations of millimetric range. The group of comparison was made by 15 rather healthy donor volunteers of the same age and a floor. To all patients the hemotransfusion wasn't carried out, the volume of infusional therapy was comparable in both groups. Changes of a rheology of blood came to light by means of the accounting of viscosity of blood, change of an index of deformation and aggregation of erythrocytes. Conclusion. As a result of the conducted research it is established that application of electromagnetic oscillation of millimetric range for patients with chipped and cut wounds of a breast prevents development of changes of rheological properties of blood, at the same time patients well transfer this procedure that is shown by lack of side effects. PMID- 29215847 TI - [Pathogenic peculiarities of disseminated intravascular coagulation of various ethiology]. AB - DIC is a severe complication, often resulting in multi-organ failure and fatal outcome. As any syndrome, it is polyethiologic, while a big number of its causes logically leads to various mechanisms of its forming. Main manifestations of the disseminated intravascular blood coagulation syndrome are clottage and haemorrhage. A result of a massive clottage in microcirculatory bed of internal organs is development of dystrophic changes in them and organ failure. Haemorrhage in its turn, results in decreased volume of circulating blood, arterial hypotension and hemic hypoxia, in most severe cases leading to the fatal outcome. Although, development mechanisms and manifestation degree of the disorder mentioned above are not always the same. As the syndrome may result from a great number of causes (currently, over 150 diseases have been described with which it can develop), namely its initial stages are different to the greatest extent. Main triggering mechanisms of the DIC may be: blood formed element activation and increased process of their microvesiculation, activation of coagulative hemostasis in intrinsic and extrinsic pathways, lack of anticoagulants and excessive activity of fibrinolytic system. Various ethiologic factors (sepsis, obstetrical pathology, leucosis and other malignant tumours, traumas, etc) have different effect on function of hemostasis system components. Depending on the degree of the above mentioned disorders mechanisms manifestation, the DIC may develop with prevailing coagulation, with prevailing fibrinolysis or with their balanced activation. Clinical manifestations of these DIC forms, as well as duration and manifestation degree of its stages (hypercoagulation, coagulopathy of consumption with compensatory activation of fibrinolysis, defibrination of the blood and excessive activation of fibrinolysis) will be different as well. Consequently, knowing the prevailing disorder in hemostasis system during a disease that is potentially dangerous in terms of the DIC development offers to find optimal methods of its prevention, diagnosing and treatment. PMID- 29215848 TI - [Molecular biology of brain meningiomas]. AB - Meningiomas are by far the most common tumors arising from the minges. A myriad of aberrant signaling pathways involved with meningioma tumorigenesis, have been discovered. Understanding these disrupted pathways will aid in deciphering the relationship between various genetic changes and their downstream effects on meningioma pathogenesis. An understanding of the genetic and molecular profile of meningioma would provide a valuable first step towards developing more effective treatment for this intracranial tumor. Chromosomes 1, 10, 14, 22, their associated genes, have been linked to meningioma proliferation and progression. It is presumed that through an understanding of these genetic factors, more educated meningioma treatment techniques can be implemented. Future therapies will include combinations of targeted molecular agents including gene therapy, si-RNA mediation, proton therapy, and other approaches as a result of continued progress in the understanding of genetic and biological changes associated with meningiomas. PMID- 29215849 TI - [Study of mitochondrial dysfunction using cytoplasmic hybrid]. AB - Aim. This review article describes literature sources devoted to the investigation of mitochondrial dysfunction using cytoplasmic hybrids (cybrids). The presented studies were carried out on cultures of cybrid cell lines HL60, MOL T-4, A549, 143B, HeLa, Arpe-19, HEK-293, SH-SY5Y and NT2. According to the analysis of scientific world literature, some of the most promising models for studying mitochondrial dysfunction are cell cultures without mitochondria (rho0) and cytoplasmic hybrids containing one or several mutations of mitochondrial genome. In the review scientific researches on studying biochemical and molecular cellular pathological processes in cybrid cells in various human diseases such as Alzheimer's disease and mild cognitive impairment, MERRF and MELAS syndromes, Leber's optic atrophy and Parkinson's disease were considered. Material dedicated to cybrids as potential models for the study of treatment possibilities was presented separately. Conclusion. The analyzed in the review rho0-cell cultures and cybrid lines containing mtDNA mutations may be models for the study of mitochondrial genome dysfunctions, biochemical and molecular cellular pathological processes. It is worth noting that in various cell cultures, similar tendencies are observed in functional activity changes of rho0-cell and cybrids compared with native cell lines. For example, such tendencies as reduction of oxygen consumption level, morphological changes of mitochondrial structure, resistance to apoptosis, reduction of ATP consumption level, increase in glucose consumption, activity deterioration of some respiratory chain complexes. PMID- 29215850 TI - [The role of prostaglandins and Cyclooxygenase in pathogenesis of chronic endometritis]. AB - The purpose: to present the modern data of cyclooxygenase role (COX) in the development of chronic endometritis.106 references on the role of COX-1 and COX-2 in the development of chronic endometritis in patients of reproductive age, published in the Medline database, Pubmed, Scopus were analyzed; 14 sources are included in this review. Prostaglandins (PG) play an important role in maintaining inflammatory process in the endometrium. Nevertheless, the production of PG and leukotrienes (LTS) - lipid mediators, which, along with PG, play a major role in the inflammatory process of the inflamed uterus, is not fully understood. Cyclooxygenase-2, the enzyme having various physiological functions, is involved in reproduction, where its role is polyfunctional. It has been established that the inhibition of cyclooxygenase pathways, blocking the synthesis of prostaglandins, eliminates the effects of many pro-inflammatory cytokine involved in the pathogenesis of chronic endometritis. Conclusion. The role of cyclooxygenase in the development of chronic endometritis is interesting; on the basis of the acquired knowledge, we can plan the use of drugs that inhibit the cyclooxygenase pathway (NSAIDs) in the treatment of chronic endometritis - as a method of pathogenetic therapy. The issue is not fully understood. Further research is needed in this sphere. PMID- 29215851 TI - [Monitoring of brightness temperature fluctuation of water in SHF range]. AB - The purpose of the research consisted in detection of fluctuation of brightness temperature (TSHF) of water in the area of the temperature T = 42 degrees S (that is critical for human) during its evaporation by SHF radiometry. Methods: Monitoring of the changes in brightness temperature of water in superhigh frequency (SHF) range (3.8-4.2 GHz) near the phase transition temperature of water T = 42 degrees S during its evaporation in the cone dielectric cell. The brightness temperature measurements were carried out using radiometer. Results: Fluctuation with maximum of brightness temperature was detected in 3.8-4.2 GHz frequency range near at the temperature of water T = 42 degrees S. It was characteristic for these TSHF fluctuations that brightness temperature rise time in this range of frequencies in ~4 degrees S temperature range with 0.05-15 degrees S/min gradient and a sharp decrease during 10 s connected with measuring vapor conditions. Then nonintensive fluctuation series was observed. At that, the environment temperature remained constant. Conclusion: The significant increasing in brightness temperature of water during its evaporation in SHF range near the temperature of T ~42 degrees S were detected. It was shown that for water, TSHF pull with the amplitude DTSHF ~4 degrees C are observed. At the same time, thermodynamic temperature virtually does not change. The observed effects can be used in the development of the systems for diadnostics of pathologies in human and analytical system. PMID- 29215852 TI - Last Word: The Ups and Downs of EMS. PMID- 29215858 TI - Liraglutide and Renal Outcomes in Type 2 Diabetes. PMID- 29215859 TI - Mining Plants for Bacterial Quorum Sensing Modulators. AB - The bacterial plant pathogen Agrobacterium tumefaciens uses quorum sensing (QS) in order to regulate the transfer of DNA into the host plant genome, and this results in the induction of crown gall tumors. The deleterious results of these infections are widespread and affect many species of fruit and crops. In order to further our understanding of this process and to provide potential solutions, we evaluated a library of 3800 natural products from plant sources and identified potent compounds that are able to strongly modulate plant-bacterial interactions. PMID- 29215860 TI - Direct Measurement of Single-Molecule Adenosine Triphosphatase Hydrolysis Dynamics. AB - F1-ATPase (F1) is a bidirectional molecular motor that hydrolyzes nearly all ATPs to fuel the cellular processes. Optical observation of labeled F1 rotation against the alpha3beta3 hexamer ring revealed the sequential mechanical rotation steps corresponding to ATP binding/ADP release and ATP hydrolysis/Pi release. These substeps originate from the F1 rotation but with heavy load on the gamma shaft due to fluorescent labeling and the photophysical limitation of an optical microscope, which hampers better understanding of the intrinsic kinetic behavior of ATP hydrolysis. In this work, we present a method capable of electrically monitoring ATP hydrolysis of a single label-free F1 in real time by using a high gain silicon nanowire-based field-effect transistor circuit. We reproducibly observe the regular current signal fluctuations with two distinct levels, which are induced by the binding dwell and the catalytic dwell, respectively, in both concentration- and temperature-dependent experiments. In comparison with labeled F1, the hydrolysis rate of nonlabeled F1 used in this study is 1 order of magnitude faster (1.69 * 108 M-1 s-1 at 20 degrees C), and the differences between two sequential catalytic rates are clearer, demonstrating the ability of nanowire nanocircuits to directly probe the intrinsic dynamic processes of the biological activities with single-molecule/single-event sensitivity. This approach is complementary to traditional optical methods, offering endless opportunities to unravel molecular mechanisms of a variety of dynamic biosystems under realistic physiological conditions. PMID- 29215861 TI - Photoinduced Field-Effect Passivation from Negative Carrier Accumulation for High Efficiency Silicon/Organic Heterojunction Solar Cells. AB - Carrier recombination and light management of the dopant-free silicon/organic heterojunction solar cells (HSCs) based on poly(3,4 ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) are the critical factors in developing high-efficiency photovoltaic devices. However, the traditional passivation technologies can hardly provide efficient surface passivation on the front surface of Si. In this study, a photoinduced electric field was induced in a bilayer antireflective coating (ARC) of polydimethylsiloxane (PDMS) and titanium oxide (TiO2) films, due to formation of an accumulation layer of negative carriers (O2- species) under UV (sunlight) illumination. This photoinduced field not only suppressed the silicon surface recombination but also enhanced the built-in potential of HSCs with 84 mV increment. In addition, this photoactive ARC also displayed the outstanding light trapping capability. The front PEDOT:PSS/Si HSC with the saturated O2- received a champion PCE of 15.51% under AM 1.5 simulated sunlight illumination. It was clearly demonstrated that the photoinduced electric field was a simple, efficient, and low-cost method for the surface passivation and contributed to achieve a high efficiency when applied in the Si/PEDOT:PSS HSCs. PMID- 29215862 TI - Reticular Chemistry and the Discovery of a New Family of Rare Earth (4, 8) Connected Metal-Organic Frameworks with csq Topology Based on RE4(MU3-O)2(COO)8 Clusters. AB - In recent years, the design and discovery of new metal-organic framework (MOF) platforms with distinct structural features and tunable chemical composition has remarkably enhanced by applying reticular chemistry rules and the molecular building block (MBB) approach. We targeted the synthesis of new rare earth (RE) MOF platforms based on a rectangular-shaped 4-c linker, acting as a rigid organic MBB. Accordingly, we designed and synthesized the organic ligand 1,2,4,5 tetrakis(4-carboxyphenyl)-3,6-dimethyl-benzene (H4L), in which the two methyl groups attached to the central phenyl ring lock the four peripheral carboxyphenyl groups to an orthogonal/vertical position. We report here a new family of RE-MOFs featuring the novel inorganic building unit, RE4(MU3-O)2 (RE: Y3+, Tb3+, Dy3+, Ho3+, Er3+, and Yb3+), with planar D2h symmetry. The rigid 4-c linker, H4L, directs the in situ assembly of the unique 8-c RE4(MU3-O)2(COO)8 cluster, resulting in the formation of the first (4, 8)-c RE-MOFs with csq topology, RE csq-MOF-1. The structures of the yttrium (Y-csq-MOF-1) and holmium (Ho-csq-MOF-1) analogues were determined by single-crystal X-ray diffraction analysis. Y-csq-MOF 1 was successfully activated and tested for Xe/Kr separation. The results show that Y-csq-MOF-1 has high isosteric heat of adsorption for Xe (33.8 kJ mol-1), with high Xe/Kr selectivity (IAST 12.1, Henry 12.9) and good Xe uptake (1.94 mmol g-1 at 298 K and 1 bar), placing this MOF among the top-performing adsorbents for Xe/Kr separation. PMID- 29215863 TI - Near-Infrared Laser-Excited Nanoparticles To Eradicate Multidrug-Resistant Bacteria and Promote Wound Healing. AB - With the ever-growing threat of bacterial infections, especially for multidrug resistant microbial infections, the development of highly effective treatment modalities to inhibit the infections is challenging. Although silver nanoparticles have been intensively applied as antimicrobial agent for decades, the therapeutic efficacy toward multidrug-resistant bacteria is still unsatisfactory. Here, we show that near-infrared (NIR) laser-excited silver triangular nanoparticles (Tri-Ag) can efficiently kill Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus both in vitro and in vivo. Notably, multidrug-resistant bacterial clinical isolates, including methicillin-resistant S. aureus and extended spectrum beta-lactamase E. coli strain were significantly inhibited by the combined treatment of the Tri-Ag with NIR laser irradiation due to their synergistic antibacterial ability. Taking the advantage of its strong near-infrared absorbance, photothermal treatment is also conducted with Tri-Ag, achieving a remarkable synergistic antibacterial effect to inhibit various bacteria at a rather low concentration of this agent. Given the above advantages, the combination therapy of Tri-Ag with assistance of NIR laser may find potential applications to strengthen the antimicrobial arsenal for fighting bacterial infections. PMID- 29215864 TI - Platinum Nanocatalyst Amplification: Redefining the Gold Standard for Lateral Flow Immunoassays with Ultrabroad Dynamic Range. AB - Paper-based lateral flow immunoassays (LFIAs) are one of the most widely used point-of-care (PoC) devices; however, their application in early disease diagnostics is often limited due to insufficient sensitivity for the requisite sample sizes and the short time frames of PoC testing. To address this, we developed a serum-stable, nanoparticle catalyst-labeled LFIA with a sensitivity surpassing that of both current commercial and published sensitivities for paper based detection of p24, one of the earliest and most conserved biomarkers of HIV. We report the synthesis and characterization of porous platinum core-shell nanocatalysts (PtNCs), which show high catalytic activity when exposed to complex human blood serum samples. We explored the application of antibody-functionalized PtNCs with strategically and orthogonally modified nanobodies with high affinity and specificity toward p24 and established the key larger nanoparticle size regimes needed for efficient amplification and performance in LFIA. Harnessing the catalytic amplification of PtNCs enabled naked-eye detection of p24 spiked into sera in the low femtomolar range (ca. 0.8 pg.mL-1) and the detection of acute-phase HIV in clinical human plasma samples in under 20 min. This provides a versatile absorbance-based and rapid LFIA with sensitivity capable of significantly reducing the HIV acute phase detection window. This diagnostic may be readily adapted for detection of other biomolecules as an ultrasensitive screening tool for infectious and noncommunicable diseases and can be capitalized upon in PoC settings for early disease detection. PMID- 29215865 TI - Identification of Fluorescent Small Molecule Compounds for Synaptic Labeling by Image-Based, High-Content Screening. AB - Few tools are available for noninvasive imaging of synapses in the living mammalian brain. Current paradigms require the use of genetically modified mice or viral delivery of genetic material to the brain. To develop an alternative chemical approach, utilizing the recognition of synaptic components by organic small molecules, we designed an imaging-based, high-content screen in cultured cortical neurons to identify molecules based on their colocalization with fluorescently tagged synaptic proteins. We used this approach to screen a library of ~7000 novel fluorescent dyes, and identified a series of compounds in the xanthone family that exhibited consistent synaptic labeling. Follow-up studies with one of these compounds, CX-G3, demonstrated its ability to label acidic organelles and in particular synaptic vesicles at glutamatergic synapses in cultured neurons and murine brain tissue, indicating the potential of this screening approach to identify promising lead compounds for use as synaptic markers, sensors, and targeting devices. PMID- 29215866 TI - Carbon-Induced Generation of Hierarchical Structured Ni0.75Co0.25(CO3)0.125(OH)2 for Enhanced Supercapacitor Performance. AB - Hierarchical nanostructures with heteroatom doping have been considered as an important component in electrode materials for advanced supercapacitors. Herein, with the aid of C, N, and S codoped Ni0.75Co0.25(CO3)0.125(OH)2/C (NSH) with a hierarchical structure was synthesized through a facile one-step hydrothermal method. Notably, it is the first report on a carbon precursor as a structure inducer for designing a three-dimensional (3D) carnation-like hierarchical structure. Thanks to the carbon induction effect and the introduction of N/S dopants, the obtained NSH with a 3D architecture exhibits superior performances as electrode materials for supercapacitors. For example, NSH offers a high specific capacity of 277.3 mAh/g at 0.5 A/g. Moreover, the assembled NSH//reduced graphene oxide hydrogel-based hybrid supercapacitor exhibits high energy densities of 44.4 and 11.7 Wh/kg at power densities of 460 W/kg and 9.8 kW/kg, respectively. This result opens up opportunities for carbon-induced methods to control the morphology and structure of other similar materials. PMID- 29215868 TI - Synthesis of pH-Responsive Biodegradable Mesoporous Silica-Calcium Phosphate Hybrid Nanoparticles as a High Potential Drug Carrier. AB - Biodegradability is one of the most critical issues for silica-based nanodrug delivery systems because they are crucial prerequisites for the successful translation in clinics. In this work, a novel mesoporous silica-calcium phosphate (MS-CAP) hybrid nanocarrier with a fast pH-responsive biodegradation rate was developed by a one-step method, where CAP precursors (Ca2+ and PO43-) were incorporated into silica matrix during the growth process. The morphology and structure of MS-CAP were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption-desorption isotherms, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. Furthermore, the drug loading and the release behavior of MS-CAP have been tested. TEM and inductively coupled plasma-optical emission spectrometry results indicated that the pH-responsive biodegradation of MS-CAP was so fast that could be almost finished within 24 h owing to the easy dissolution of CAP embedded in the particle and the escape of Ca2+ from the structure of Si-O-Ca in acid environment. The MS-CAP exhibited a high doxorubicin (DOX) entrapment efficiency (EE) of 97.79%, which was about fourfold higher compared with that of pure mesoporous silica nanoparticles, and our density functional theory calculational results suggested that the higher drug EE of MS-CAP would originate from the strong interaction between calcium in the particle and carboxylate group of DOX. The loaded DOX was effectively released, with a cumulative release as high as 98.06% within 48 h at pH 4.5 in buffer solution, owing to the rapid degradation of MS-CAP. The obtained results indicated that the as-synthesized MS-CAP could act as a promising drug delivery system and would have a hopeful prospect in the clinical translation. PMID- 29215869 TI - Combining Multiscale Approaches for the Structure Determination of an Iron Layered Oxysulfate: Sr4Fe2.5O7.25(SO4)0.5. AB - The new iron layered oxysulfate Sr4Fe2.5O7.25(SO4)0.5 has been prepared by a solid-state reaction in closed ampules into the form of ceramics and single crystals. Its atomic structure has been solved by means of spectroscopy, diffraction techniques, and high-resolution electron microscopy. Sr4Fe2.5O7.25(SO4)0.5 is a layered structure that derives from the Ruddelsden Popper (RP) phases with the layer stacking sequence SrO/SrFeO2.5/SrFe0.5(SO4)0.5O1.25/SrFeO2.5. Within the mixed Fe3+/SO42- layer, the sulfur atoms are slightly shifted from the B site of the perovskite and each sulfate group shares two corners with iron pyramids in the basal plan without any order phenomenon. The electronic conductivity is thermally activated, while no ionic conductivity is detected. PMID- 29215867 TI - Direct Substrate Identification with an Analog Sensitive (AS) Viral Cyclin Dependent Kinase (v-Cdk). AB - Viral cyclin-dependent kinases (v-Cdks) functionally emulate their cellular Cdk counterparts. Such viral mimicry is an established phenomenon that we extend here through chemical genetics. Kinases contain gatekeeper residues that limit the size of molecules that can be accommodated within the enzyme active site. Mutating gatekeeper residues to smaller amino acids allows larger molecules access to the active site. Such mutants can utilize bio-orthoganol ATPs for phosphate transfer and are inhibited by compounds ineffective against the wild type protein, and thus are referred to as analog-sensitive (AS) kinases. We identified the gatekeeper residues of the v-Cdks encoded by Epstein-Barr virus (EBV) and human cytomegalovirus (HCMV) and mutated them to generate AS kinases. The AS-v-Cdks are functional and utilize different ATP derivatives with a specificity closely matching their cellular ortholog, AS-Cdk2. The AS derivative of the EBV v-Cdk was used to transfer a thiolated phosphate group to targeted proteins which were then purified through covalent capture and identified by mass spectrometry. Pathway analysis of these newly identified direct substrates of the EBV v-Cdk extends the potential influence of this kinase into all stages of gene expression (transcription, splicing, mRNA export, and translation). Our work demonstrates the biochemical similarity of the cellular and viral Cdks, as well as the utility of AS v-Cdks for substrate identification to increase our understanding of both viral infections and Cdk biology. PMID- 29215870 TI - Investigation of a Structural Phase Transition and Magnetic Structure of Na2BaFe(VO4)2: A Triangular Magnetic Lattice with a Ferromagnetic Ground State. AB - The structural and magnetic properties of a glaserite-type Na2BaFe(VO4)2 compound, featuring a triangular magnetic lattice of Fe2+ (S = 2), are reported. Temperature dependent X-ray single crystal studies indicate that at room temperature the system adopts a trigonal P3m1 structure and undergoes a structural phase transition to a C2/c monoclinic phase slightly below room temperature (Ts = 288 K). This structural transition involves a tilting of Fe-O-V bond angles and strongly influences the magnetic correlation within the Fe triangular lattice. The magnetic susceptibility measurements reveal a ferromagnetic transition near 7 K. Single crystal neutron diffraction confirms the structural distortion and the ferromagnetic spin ordering in Na2BaFe(VO4)2. The magnetic structure of the ordered state is modeled in the magnetic space group C2'/c' that implies a ferromagnetic order of the a and c moment components and antiferromagnetic arrangement for the b components. Overall, the Fe magnetic moments form ferromagnetic layers that are stacked along the c-axis, where the spins point along one of the (111) facets of the FeO6 octahedron. PMID- 29215872 TI - Selective Nitrate Reduction to Dinitrogen by Electrocatalysis on Nanoscale Iron Encapsulated in Mesoporous Carbon. AB - Excessive nutrients (N and P) are among the most concerned pollutants in surface and ground waters. Herein, we report nanoscale zero-valent iron supported on ordered mesoporous carbon (nZVI@OMC) for electrocatalytic reduction of nitrate (NO3-) to nitrogen gas (N2). This material has a maximum removal capacity of 315 mg N/g Fe and nitrogen selectivity up to 74%. The Fe-C nanocomposite is prepared via a postsynthetic modification including carbon surface oxidation, in situammonia prehydrolysis of iron precursor and hydrogen reduction. The synthesized materials have large surface areas (660-830 m2/g) and small iron nanoparticles (3-9 nm) uniformly dispersed in the carbon mesochannels. The iron loading can be adjusted in the range of 0-45%. Results demonstrate that the reaction reactivity of electrocatalysis can be fine-tuned by manipulating iron nanoparticle size, degree of crystallization, as well as porous structure. Meanwhile, the small, uniform, and stable iron nanoparticle promotes fast hydrogen generation for rapid cleavage of the N-O bond. Furthermore, this material can maintain its high performance over repetitive experimental cycles. Results suggest a new approach for fast and eco-friendly nitrate reduction and a novel nZVI application. PMID- 29215871 TI - MPA Portable: A Stand-Alone Software Package for Analyzing Metaproteome Samples on the Go. AB - Metaproteomics, the mass spectrometry-based analysis of proteins from multispecies samples faces severe challenges concerning data analysis and results interpretation. To overcome these shortcomings, we here introduce the MetaProteomeAnalyzer (MPA) Portable software. In contrast to the original server based MPA application, this newly developed tool no longer requires computational expertise for installation and is now independent of any relational database system. In addition, MPA Portable now supports state-of-the-art database search engines and a convenient command line interface for high-performance data processing tasks. While search engine results can easily be combined to increase the protein identification yield, an additional two-step workflow is implemented to provide sufficient analysis resolution for further postprocessing steps, such as protein grouping as well as taxonomic and functional annotation. Our new application has been developed with a focus on intuitive usability, adherence to data standards, and adaptation to Web-based workflow platforms. The open source software package can be found at https://github.com/compomics/meta-proteome analyzer . PMID- 29215873 TI - Novel Multicomponent Synthesis of Pyridine-Pyrimidines and Their Bis-Derivatives Catalyzed by Triazine Diphosphonium Hydrogen Sulfate Ionic Liquid Supported on Functionalized Nanosilica. AB - In this Research Article, we report an efficient synthesis of 1,3-dimethyl-5-aryl 7-(pyridine-3(2)(4)-yl)pyrimidine-2,4(1H,3H)-diones via a three-component reaction of aryl aldehydes, 1,3-dimethyl-6-aminouracil and carbonitriles in the presences of triazine diphosphonium hydrogen sulfate ionic liquid supported on functionalized nanosilica (APTADPHS-nSiO2) as a reusable catalyst under microwave irradiation and solvent-free conditions. The bis-derivatives of pyridine pyrimidines were also efficiently prepared from dialdehydes and dinitriles. In addition, 3-methyl-1H-pyrazole-5-amine was used successfully instead of 1,3 dimethyl-6-aminouracil under the same conditions to afford the corresponding products in high yields. The catalyst can be reused at least five times without any significant loss of its activity. The easy recovery, reusability and excellent activity of the catalyst as well as easy workup are other noteworthy advantages of this method. PMID- 29215874 TI - Influence of Magnetite Stoichiometry on the Binding of Emerging Organic Contaminants. AB - While the magnetite stoichiometry (i.e., Fe(II)/Fe(III) ratio) has been extensively studied for the reductive transformation of chlorinated or nitroaromatic compounds, no work exists examining the influence of stoichiometry of magnetite on its binding properties. This study, for the first time, demonstrates that the stoichiometry strongly affects the capacity of magnetite to bind not only quinolone antibiotics such as nalidixic acid (NA) and flumequine (FLU), but also salicylic acid (SA), natural organic matter (humic acid, HA), and dissolved silicates. Fe(II)-amendment of nonstoichiometric magnetite (Fe(II)/Fe(III) = 0.40) led to similar sorbed amounts of NA, FLU, SA, silicates or HA as compared to the stoichiometric magnetite (i.e., Fe(II)/Fe(III) = 0.50). At any pH between 6 and 10, all magnetites exhibiting similar Fe(II)/Fe(III) ratio in the solid phase showed similar adsorption properties for NA or FLU. This enhancement in binding capability of magnetite for NA is still observed in the presence of environmentally relevant ligands (e.g., 10 mg L-1 of HA or 100 MUM of silicates). Using surface complexation modeling, it was shown that the NA magnetite complexation constant does not vary with Fe(II)/Fe(III) between 0.24 and 0.40, but increases by 8 orders of magnitude when Fe(II)/Fe(III) increases from 0.40 to 0.50. PMID- 29215875 TI - A "Nanopore Lithography" Strategy for Synthesizing Hierarchically Micro/Mesoporous Carbons from ZIF-8/Graphene Oxide Hybrids for Electrochemical Energy Storage. AB - Porous carbons derived from metal-organic frameworks (MOFs) are promising materials for a number of energy- and environment-related applications, but their almost exclusively microporous texture can be an obstacle to their performance in practical uses. Here, we introduce a novel strategy for the generation of very uniform mesoporosity in a prototypical MOF, namely, zeolitic imidazolate framework-8 (ZIF-8). The process, referred to as "nanopore lithography", makes use of graphene oxide (GO) nanosheets enclosing ZIF-8 particles as masks or templates for the transfer of mesoporous texture to the latter. Upon controlled carbonization and activation, nanopores created in the GO envelope serve as selective entry points for localized etching of carbonized ZIF-8, so that such nanopores are replicated in the MOF-derived carbonaceous structure. The resulting porous carbons are dominated by uniform mesopores ~3-4 nm in width and possess specific surface areas of ~1300-1400 m2 g-1. Furthermore, we investigate and discuss the specific experimental conditions that afford the mesopore-templating action of the GO nanosheets. Electrochemical characterization revealed an improved capacitance as well as a faster, more reversible charge/discharge kinetics for the ZIF-8-derived porous carbons obtained through nanopore lithography, relative to those for their counterparts with standard activation (no GO templating), thus indicating the potential practical advantage of the present approach in capacitive energy storage applications. PMID- 29215877 TI - Gas-Phase Acidities and Basicities of Alanines and N-Benzylalanines by the Extended Kinetic Method. AB - This paper reports an experimental determination of the gas-phase acidities and basicities of N-benzylalanines, in both their alpha and beta forms, by means of the extended kinetic method (EKM). The experimental gas-phase acidity of beta alanine was also determined. Standard ab initio molecular orbital calculations at the G3 level were performed for alanines, and at the G3(MP2)//B3LYP level for N benzylalanines. There is a very good agreement between the experimental and the calculated values. The more branched alpha-amino acids are more acidic and less basic than the linear beta-amino acids. PMID- 29215876 TI - Deep Learning of Atomically Resolved Scanning Transmission Electron Microscopy Images: Chemical Identification and Tracking Local Transformations. AB - Recent advances in scanning transmission electron and scanning probe microscopies have opened exciting opportunities in probing the materials structural parameters and various functional properties in real space with angstrom-level precision. This progress has been accompanied by an exponential increase in the size and quality of data sets produced by microscopic and spectroscopic experimental techniques. These developments necessitate adequate methods for extracting relevant physical and chemical information from the large data sets, for which a priori information on the structures of various atomic configurations and lattice defects is limited or absent. Here we demonstrate an application of deep neural networks to extract information from atomically resolved images including location of the atomic species and type of defects. We develop a "weakly supervised" approach that uses information on the coordinates of all atomic species in the image, extracted via a deep neural network, to identify a rich variety of defects that are not part of an initial training set. We further apply our approach to interpret complex atomic and defect transformation, including switching between different coordination of silicon dopants in graphene as a function of time, formation of peculiar silicon dimer with mixed 3-fold and 4 fold coordination, and the motion of molecular "rotor". This deep learning-based approach resembles logic of a human operator, but can be scaled leading to significant shift in the way of extracting and analyzing information from raw experimental data. PMID- 29215878 TI - Ultrafast Screening of a Novel, Moderately Hydrophilic Angiotensin-Converting Enzyme-Inhibitory Peptide, RYL, from Silkworm Pupa Using an Fe-Doped-Silkworm Excrement-Derived Biocarbon: Waste Conversion by Waste. AB - A novel, moderately hydrophilic peptide (RYL) with high ACE-inhibitory activity was screened ultrafast via a concept of waste conversion using waste. This novel peptide was screened from silkworm pupa using an Fe-doped porous biocarbon (FL/Z SE) derived from silkworm excrement. FL/Z-SE possessed magnetic properties and specific selection for peptides due to Fe's dual functions. The selected RYL, which has moderate hydrophilicity (LogP = -0.22), exhibited a comparatively high ACE-inhibitory activity (IC50 = 3.31 +/- 0.11 MUM). The inhibitory kinetics and docking-simulation results show that, as a competitive ACE inhibitor, RYL formed five hydrogen bonds with the ACE residues in the S1 and S2 pockets. In this work, both the screening carbon material and the selected ACE-inhibitory peptide were derived from agricultural waste (silkworm excrement and pupa), which offers a new way of thinking about the development of advanced uses of the silkworm byproducts and wastes. PMID- 29215879 TI - Computational Kinetic Modeling of the Catalytic Cycle of Glutathione Peroxidase Nanomimic: Effect of Nucleophilicity of Thiols on the Catalytic Activity. AB - The catalytic cycle of a new derivative of ebselen, 1, was elucidated via three steps by the density functional theory and solvent-assisted proton exchange procedure involving indirect proton exchange through a hydrogen-bonded transfer network. Different behaviors of the aromatic and aliphatic thiols were investigated in the reduction of selenoxide (step 2 -> 3) and selenurane (step 3 > 1) based on their nucleophilicity. The reduction of selenoxide in the presence of thiophenol (DeltaG? = 15.9 kcal.mol-1) is faster than that of methanethiol (DeltaG? = 29.3 kcal.mol-1), and methanethiol makes the reduction of selenoxide unspontaneous and kinetically unfavorable (DeltaG = 2.8 kcal.mol-1). The nucleophilic attack may be enhanced by using the thiophenol backbone at the selenium center to lower the energy barrier of the selenoxide reduction (DeltaG? = 15.9 kcal.mol-1). On the basis of the turnover frequency calculations, during the catalytic cycle, the rate of the reaction was analyzed and discussed. Low values of the electron density and Laplacian at the transition states are the evidence of the covalent O-H and O-O bonds rupture in the presence of methanethiol and thiophenol. The nature of the critical bond points was characterized, using the quantum theory of atoms in molecules, based on the electron location function and localized orbital locator values. Finally, the charge transfer process at the rate-determining step was investigated based on the natural bond orbital analysis. PMID- 29215881 TI - Preparation of Quaternary Centers via Nickel-Catalyzed Suzuki-Miyaura Cross Coupling of Tertiary Sulfones. AB - We describe the development of a nickel-catalyzed Suzuki-Miyaura cross-coupling of tertiary benzylic and allylic sulfones with arylboroxines. A variety of tertiary sulfones, which can easily be prepared via a deprotonation-alkylation route, were reacted to afford symmetric and unsymmetric quaternary products in good yields. We highlight the use of either BrettPhos or Doyle's phosphines as effective ligands for these challenging desulfonative coupling reactions. The utility of this methodology was demonstrated in the concise synthesis of a vitamin D receptor modulator analogue. PMID- 29215880 TI - Neuroprotective Effects of 1,2-Diarylpropane Type Phenylpropanoid Enantiomers from Red Raspberry against H2O2-Induced Oxidative Stress in Human Neuroblastoma SH-SY5Y Cells. AB - Red raspberry (Rubus idaeus L.) is an edible fruit-producing species belonging to the Rosaceae family. In our search for the health-promoting constituents from this fruit, four pairs of enantiomeric phenylpropanoids (1a/1b-4a/4b), including three new compounds (1a and 2a/2b), were isolated from red raspberry. Their structures were elucidated by a combination of the extensive NMR spectroscopic data analyses, high-resolution electrospray ionization mass spectrometry and comparison between the experimental measurements of electronic circular dichroism (ECD) and calculated ECD spectra by time-dependent density functional theory (TDDFT). In addition, their neuroprotective effects against H2O2-induced oxidative stress in human neuroblastoma SH-SY5Y cells were investigated, and the results showed enantioselectivity, in which that 3a exhibited noticeable neuroprotective activity, while its enatiomer 3b exhibited no obvious protective effect. Further study demonstrated that 3a could selectively inhibit the apoptosis induction and reactive oxygen species (ROS) accumulation by enhancing the activity of catalase (CAT) in H2O2-treated human neuroblastoma SH-SY5Y cells. These findings shed much light on a better understanding of the neuroprotective effects of these enantiomers and provide new insights into developing better treatment of neurodegenerative diseases in the future. PMID- 29215882 TI - Theoretical Models for Quantitative Description of the Acid-Base Equilibria of the 5,6-Substituted Uracils. AB - The acidities of 18 5,6-substituted uracils have been numerically estimated as pKa values in terms of three theoretical models. The first scheme includes the calculation of the gas-phase acidity of uracil with the G3MP2B3 method and taking into account the solvent effect using the polarizable continuum approximation PCM(SMD)-TPSS/aug-cc-pVTZ. The second model is one step and implies calculation of the free Gibbs energies of the hydrate complex of uracil (and its anion) with 5 water molecules by the TPSS/aug-cc-pVTZ method. This model accounts for the solvent effect corresponding to both specific and nonspecific solvation. The third scheme required high time and computational resources and includes the strong features of the two previous schemes. Here, the theoretical estimation of pKa is performed by the CBS-QB3 composite method. As in the second approach, both specific (as pentahydrate) and nonspecific solvent effects are determined. We have analyzed the advantages and model restrictions of the considered schemes for the pKa calculations. All models have systematic errors, which have been corrected with the linear empirical regression relations. In the presented model, the absolute mean deviations of the pKa values of uracils dissociating via the N1 H bonds diminish to 0.25, 0.28, and 0.23 pKa units (respectively, for I, II, and III models), which corresponds to ~0.3 kcal/mol on the energy scale. The applicability of our computational schemes to uracils dissociating via N3-H, O-H (orotic acids) and C-H bonds is discussed. PMID- 29215883 TI - Conformational Map of Phenolic Acids. AB - The benefits of vaporization by laser ablation and the high resolution and sensitivity attained by the chirped pulse Fourier transform microwave spectroscopy CP-FTMW have provided the first conformational map of the simplest phenolic acids of trans-cinnamic and p-coumaric. Two conformers of trans-cinnamic acid and four conformers of trans-p-coumaric acid have been characterized under the isolation conditions of a supersonic expansion. The spectroscopic constants derived from the analysis of the rotational spectra compared with those predicted theoretically provide an unmatched means to achieve an unambiguous identification of the observed species. PMID- 29215884 TI - Quantum Spin Liquid from a Three-Dimensional Copper-Oxalate Framework. AB - The quantum spin liquid (QSL) state is of great interest in relation to quantum computation and superconductivity and the search for new QSL materials is a current challenge in chemistry. Existing inorganic and molecular QSL compounds have two-dimensional structures, with spins arranged on triangular and kagome lattices, whereas three-dimensional structures with QSL characteristics are rare. In the copper-oxalate framework compound [(C2H5)3NH]2Cu2(C2O4)3, Cu(II) is coordinated with three bisbidentate oxalate bridges to form a three-dimensional (10,3) lattice and this produces a strong antiferromagnetic interaction between Cu2+ (S = 1/2) atoms (theta = -180 K). No long-range ordering (LRO) was observed in either magnetic susceptibility or specific heat measurements down to 2 K. Absence of LRO was further confirmed by MUSR measurements down to 60 mK, indicating that it is a gapless QSL with f > 3000. Due to Jahn-Teller distortion and partial dimerization, the effective dimensionality of the magnetic lattice is reduced. This compound nevertheless highlights the great potential for obtaining QSLs of varying dimensionality from metal-organic frameworks. PMID- 29215885 TI - Dynamic Ligand Exchange as a Mechanistic Probe in Pd-Catalyzed Enantioselective C H Functionalization Reactions Using Monoprotected Amino Acid Ligands. AB - A new tool for probing enantioselective reaction mechanisms is introduced. Monitoring the temporal change in product enantiomeric excess after addition of the opposite enantiomer of the ligand during the reaction provides a means of probing dynamic ligand exchange in enantioselective C-H iodination catalyzed by Pd with monoprotected amino acid ligands (MPAAs). This work has general potential to provide insights about the dynamics of catalyst and ligand molecularity and exchange. PMID- 29215886 TI - Bibenzyl-Based Meroterpenoid Enantiomers from the Chinese Liverwort Radula sumatrana. AB - Six new pairs of bibenzyl-based meroterpenoid enantiomers, (+/-)-rasumatranin A-D (1-4) and (+/-)-radulanin M and N (5 and 6), and six known compounds were isolated from the adnascent Chinese liverwort, Radula sumatrana. Their structures were elucidated based on spectroscopic data and chiral phase HPLC-ECD analyses. The structures of 1 and 7 were also confirmed by single-crystal X-ray diffraction analysis. Cytotoxicity tests of the isolated compounds showed that 6-hydroxy-3 methyl-8-phenylethylbenzo[b]oxepin-5-one (8) showed activity against the human cancer cell lines MCF-7, PC-3, and SMMC-7721, with IC50 values of 3.86, 6.60, and 3.58 MUM, respectively, and induced MCF-7 cell death through a mitochondria mediated apoptosis pathway. PMID- 29215887 TI - Unique Hydrogen Bonds in Membrane Protein Monitored by Whole Mid-IR ATR Spectroscopy in Aqueous Solution. AB - Protein function is coupled to its structural changes, for which stimulus-induced difference Fourier-transform infrared (FTIR) spectroscopy is a powerful method. By optimizing the attenuated total reflection (ATR)-FTIR analysis on sodium pumping rhodopsin KR2 in aqueous solution, we first measured the accurate difference spectra upon sodium binding in the whole IR region (4000-1000 cm-1). The new spectral window allows the analysis of not only the fingerprint region (1800-1000 cm-1) but also the hydrogen-bonding donor region (4000-1800 cm-1), revealing an unusually strong hydrogen bond of Tyr located in the sodium binding site of KR2. Progress in ATR-FTIR difference spectroscopy provides an approach to investigating stimulus-induced structural changes of membrane proteins under physiological aqueous conditions. PMID- 29215888 TI - Flow Cytometric Analysis To Evaluate Morphological Changes in Giant Liposomes As Observed in Electrofusion Experiments. AB - Liposome fusion is a way of supplying additional components for in-liposome biochemical reactions. Electrofusion is a method that does not require the addition of fusogens, which often alter the liposome dispersion, and is therefore useful for repetitive liposome fusion. However, the details of electrofusion have not been elucidated because of the limitations surrounding observing liposomes using a microscope. Therefore, we introduced fluorescent markers and high throughput flow cytometry to analyze the morphological changes that occur in liposome electrofusion. (i) The content mixing was evaluated by a calcein-Co2+ EDTA system, in which green fluorescence from dequenched free calcein is detected when the quenched calcein-Co2+ complex and EDTA are mixed together. (ii) Liposome destruction was evaluated from the decrease in the total membrane volume of giant liposomes. (iii) Liposome fission was evaluated from the increase in the number of giant liposomes. By applying the flow cytometric analysis, we investigated the effect of three parameters (DC pulse, AC field, and lipid composition) on liposome electrofusion. The larger numbers or higher voltages of DC pulses induced liposome fusion and destruction with higher probability. The longer application time of the AC field induced liposome fusion, fission, and destruction with higher probability. Higher content of negatively charged POPG (>=19%) strongly inhibited liposome electrofusion. PMID- 29215889 TI - Correction to "Tailoring the Electrochemical Properties of Carbon Nanotube Modified Indium Tin Oxide via in Situ Grafting of Aryl Diazonium". PMID- 29215890 TI - Control of Gallium Oxide Growth on Liquid Metal Eutectic Gallium/Indium Nanoparticles via Thiolation. AB - Eutectic gallium-indium alloy (EGaIn, a room-temperature liquid metal) nanoparticles are of interest for their unique potential uses in self-healing and flexible electronic devices. One reason for their interest is due to a passivating oxide skin that develops spontaneously on exposure to ambient atmosphere which resists deformation and rupture of the resultant liquid particles. It is then of interest to develop methods for control of this oxide growth process. It is hypothesized here that functionalization of EGaIn nanoparticles with thiolated molecules could moderate oxide growth based on insights from the Cabrera-Mott oxidation model. To test this, the oxidation dynamics of several thiolated nanoparticle systems were tracked over time with X ray photoelectron spectroscopy. These results demonstrate the ability to suppress gallium oxide growth by up to 30%. The oxide progressively matures over a 28 day period, terminating in different final thicknesses as a function of thiol selection. These results indicate not only that thiols moderate gallium oxide growth via competition with oxygen for surface sites but also that different thiols alter the thermodynamics of oxide growth through modification of the EGaIn work function. PMID- 29215891 TI - Combining Visible-Light-Photoredox and Lewis Acid Catalysis for the Synthesis of Indolizino[1,2-b]quinolin-9(11H)-ones and Irinotecan Precursor. AB - One-step construction of substituted indolizino[1,2-b]quinolin-9(11H)-ones was achieved by combining visible-light-photoredox and Lewis acid catalysis for an intramolecular Povarov cycloaddition reaction under mild conditions. In this catalytic process, the visible-light-promoted dehydrogenation protocol of tetrahydroquinolines constitutes the key procedure. Moreover, this method can be applied to the formal synthesis of the precursor of irinotecan, which exhibited good anticancer activities. PMID- 29215892 TI - Molecular Dynamics Simulation of the pH-Induced Structural Transitions in CTAB/NaSal Solution. AB - We performed molecular dynamics simulations to study the pH-induced structural transitions for aqueous mixtures of a cationic surfactant (cetyltrimethylammonium bromide, CTAB) and a hydrotrope (sodium salicylate, NaSal). We obtained rigid cylindrical, spherical, and flexible cylindrical micelles at pH 7, 2, and 0, respectively, which agrees well with the experimental results of Umeasiegbu et al. (Langmuir 2016, 32, 655). By analyzing the different micellar structural properties, including distribution and molecular orientation of CTA+ and Sal- inside the micelle, we found that the binding form of the protonated salicylate molecules with CTA+ is different from that of Sal- ions. Because of the protonation of salicylate molecules with reduction in pH, their hydrogen bonding interactions with water molecules strengthened and the electrostatic interactions with CTA+ headgroups weakened. Thus, the repulsion of the CTA+ headgroups led to the breakage of the cylindrical micelle into spherical ones. At pH 0, the H-bond strengthened cation-pi interactions between salicylate and CTA+ were verified. We concluded that the penetration of salicylate molecules inside the micelle and the strong association of Cl- ions on the micellar surface play a key role in the formation of a flexible cylindrical micelle. This work provides an atomic-level insight into the mechanism of pH-induced shape transitions in the CTAB/NaSal systems, which is expected to be helpful to understand the aggregate behavior of cationic surfactant-hydrotrope solution. PMID- 29215893 TI - Bright Electroluminescence from Single Graphene Nanoribbon Junctions. AB - Thanks to their highly tunable band gaps, graphene nanoribbons (GNRs) with atomically precise edges are emerging as mechanically and chemically robust candidates for nanoscale light emitting devices of modulable emission color. While their optical properties have been addressed theoretically in depth, only few experimental studies exist, limited to ensemble measurements and without any attempt to integrate them in an electronic-like circuit. Here we report on the electroluminescence of individual GNRs suspended between the tip of a scanning tunneling microscope (STM) and a Au(111) substrate, constituting thus a realistic optoelectronic circuit. Emission spectra of such GNR junctions reveal a bright and narrow band emission of red light, whose energy can be tuned with the bias voltage applied to the junction, but always lying below the gap of infinite GNRs. Comparison with ab initio calculations indicates that the emission involves electronic states localized at the GNR termini. Our results shed light on unpredicted optical transitions in GNRs and provide a promising route for the realization of bright, robust, and controllable graphene-based light-emitting devices. PMID- 29215894 TI - Selective Low-Energy Carbon Dioxide Adsorption Using Monodisperse Nitrogen-Rich Hollow Carbon Submicron Spheres. AB - Monodisperse, nitrogen-doped hollow carbon spheres of submicron size were synthesized using hexamethoxymethylmelamine as both a carbon and nitrogen source in a short (1 h) microwave-assisted synthesis. After carbonization at 550 degrees C, porous carbon spheres with a remarkably high nitrogen content of 37.1% were obtained, which consisting mainly of highly basic pyridinic moieties. The synthesized hollow spheres exhibited high selectivity for carbon dioxide (CO2) over nitrogen and oxygen gases, with a capture capacity up to 1.56 mmol CO2 g-1. The low adsorption enthalpy of the synthesized hollow carbon spheres permits good adsorbent regeneration. Evaluation of the feasibility of scaling up shows their potential for large-scale applications. PMID- 29215895 TI - Role of Grounded Liquid Collectors in Precise Patterning of Electrospun Nanofiber Mats. AB - Liquid collectors are applicable as ground collectors in electrospinning, which fabricates complex nanofiber architectures. However, the influence of the electrical properties of liquid collectors on the controlled deposition of electrospun nanofiber mats has received little attention. Here, we prepare two types of liquid collectors (electrolyte solutions and dielectric liquids) and newly scrutinize their roles in the patterning of electrospun nanofiber mats in experiments and in numerical simulations. By simulating the concentrations of the electric fields around the liquid collectors, we indirectly evaluated the patternability of the collectors. The patternability trends were verified by the patterning of nanofiber mats on line-array-shaped liquid collectors fabricated by electrospinning. The deposition accuracy of the electrolyte solution collector was very high, equivalent to that of a conventional metal collector even at low salt concentrations (e.g., 0.01 M KCl). However, the nanofiber mats fabricated by electrospinning with the dielectric liquid collector showed retarded patternability. PMID- 29215896 TI - High-Speed but Not Magic: Microwave-Assisted Synthesis of Ultra-Small Silver Nanoparticles. AB - Reaction procedures have been improved to achieve higher yields and shorter reaction times: one possibility is the usage of microwave reactors. In the literature, this is under discussion, for example, nonthermal effects resulting from the microwave radiation are claimed. Especially for the synthesis of nanomaterials, it is of crucial importance to be aware of influences on the reaction pathway. Therefore, we compare the syntheses of ultra-small silver nanoparticles via conventional and microwave heating. We employed a versatile one pot polyol synthesis of poly(acrylic acid)-stabilized silver nanoparticles, which display superior catalytic properties. No microwave-specific effects in terms of particle size distribution characteristics, as derived by small-angle X-ray scattering and dynamic light scattering, are revealed. Because of the characteristics of a closed system, microwave reactors give access to elevated temperatures and pressures. Therefore, the speed of particle formation can be increased by a factor of 30 when the reaction temperature is increased from 200 to 250 degrees C. The particle growth process follows a cluster coalescence mechanism. A postsynthetic incubation step at 250 degrees C induces a further growth of the particles while the size distribution broadens. Thus, utilization of microwave reactors enables an enormous decrease of the reaction time as well as the opportunity of tuning the particle size. Possibly, decomposition of the stabilizing ligand at elevated temperatures results in reduced yields. A compromise between short reaction times and high yields can be found at a temperature of 250 degrees C and a corresponding reaction time of 30 s. PMID- 29215897 TI - Counterion-Induced Control of the Colloidal State of Polyamic Acid Nanoparticles for Electrophoretic Deposition. AB - Optimizing the colloidal state of polyamic acid (PAA) nanoparticles is essential for achieving a uniform and high-performance polyimide coating by electrophoretic deposition (EPD) on metal substrates of various shapes. In this paper, we report two important roles of the counterions in the formation of PAA colloids for EPD, which, to date, have not been recognized. First, when tertiary alkyl amines are used to neutralize PAA, the polarity of neutralizing counterions determines the size and stability of the PAA colloidal particles. The polarity can be finely tuned by using two different tertiary alkyl amines containing polar and nonpolar groups and adjusting the molar ratio. Depending on the polar/nonpolar ratio, various states of PAA colloids were obtained, including dissolved state, stable colloid, and aggregates. Second, we observed that the confined counterions inside PAA nanoparticles can act as an imidization catalyst during the thermal annealing process. It is revealed that some fraction of the counterion species, mostly having nonpolar groups, is not drawn toward the counter electrode and remains inside the PAA nanoparticles during the EPD process. Optimizing the polarity eventually allowed us to form uniform EPD coatings with high dielectric strengths. PMID- 29215898 TI - Significantly High Thermal Rectification in an Asymmetric Polymer Molecule Driven by Diffusive versus Ballistic Transport. AB - Tapered bottlebrush polymers have novel nanoscale polymer architecture. Using nonequilibrium molecular dynamics simulations, we showed that these polymers have the unique ability to generate thermal rectification in a single polymer molecule and offer an exceptional platform for unveiling different heat conduction regimes. In sharp contrast to all other reported asymmetric nanostructures, we observed that the heat current from the wide end to the narrow end (the forward direction) in tapered bottlebrush polymers is smaller than that in the opposite direction (the backward direction). We found that a more disordered to less disordered structural transition within tapered bottlebrush polymers is essential for generating nonlinearity in heat conduction for thermal rectification. Moreover, the thermal rectification ratio increased with device length, reaching as high as ~70% with a device length of 28.5 nm. This large thermal rectification with strong length dependence uncovered an unprecedented phenomenon-diffusive thermal transport in the forward direction and ballistic thermal transport in the backward direction. This is the first observation of radically different transport mechanisms when heat flow direction changes in the same system. The fundamentally new knowledge gained from this study can guide exciting research into nanoscale organic thermal diodes. PMID- 29215899 TI - Tool use in left-brain-damaged patients: Difficulties in reasoning but not in estimating the physical properties of objects. AB - OBJECTIVE: The purpose of this study was to deepen our understanding of the cognitive bases of human tool use based on the technical reasoning hypothesis (i.e., the reasoning-based approach). This approach assumes that tool use is supported by the ability to reason about an object's physical properties (e.g., length, weight, strength, etc.) to perform mechanical actions (e.g., lever). In this framework, an important issue is to understand whether left-brain-damaged (LBD) individuals with tool-use deficits are still able to estimate the physical object's properties necessary to use the tool. METHOD: Eleven LBD patients and 12 control participants performed 3 original experimental tasks: Use-Length (visual evaluation of the length of a stick to bring down a target), Visual-Length (to visually compare objects of different lengths) and Addition-Length (to visually compare added lengths). Participants were also tested on conventional tasks: Familiar Tool Use and Mechanical Problem-Solving (novel tools). RESULTS: LBD patients had more difficulties than controls on both conventional tasks. No significant differences were observed for the 3 experimental tasks. CONCLUSION: These results extend the reasoning-based approach, stressing that it might not be the representation of length that is impaired in LBD patients, but rather the ability to generate mechanical actions based on physical object properties. (PsycINFO Database Record PMID- 29215900 TI - APOE e4-genotype and lifestyle interaction on cognitive performance: Results of the LIFE-Adult-study. AB - OBJECTIVE: Previous studies have shown that the e4-allele of the APOE gene is associated with a higher risk of developing dementia. Our study investigated whether well-known associations between lifestyle factors and cognitive functioning may be stronger in individuals who carry the dementia risk variant of the APOE gene and whether this association is amplified with older age. METHOD: Data analysis comprised 7,526 participants (aged 40- to 79-years-old) from the population-based LIFE-Adult-study. The effect of the APOE e4-allele on the association between lifestyle factors (smoking, physical activity, being overweight, occupational attainment) and cognitive performance (trail making test [TMT] B, verbal fluency test [VFT]) was analyzed via multivariate generalized linear modeling adjusted for APOE e2-allele, age, gender, education, stroke, and heart attack. RESULTS: Smoking, less physical activity, and lower occupational attainment was associated with a poorer performance in the TMT B and VFT. Neither the APOE e4-allele nor interactions with the APOE e4-allele were significantly associated with cognitive performance. The association between physical activity and occupational attainment on performance in the TMT B were stronger in older age, but the APOE gene did not modify those associations. CONCLUSIONS: Our findings suggest that the dementia risk variant of the APOE gene does not alter the association between lifestyle factors and cognitive performance in the general population aged 40- to 79-years-old. However, as lifestyle factors impact cognitive aging, research efforts should focus on establishing effective interventions promoting healthy lifestyle behaviors to counteract adverse cognitive aging processes. (PsycINFO Database Record PMID- 29215901 TI - Introduction of the DSM-5 levels of Personality Functioning Questionnaire. AB - With the introduction in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) of a hybrid system of personality disorder assessment, the ability to assess patients' traits, as well as their level of personality functioning, has become increasingly important. To assess this criterion, the DSM-5 Levels of Personality Functioning Questionnaire (DLOPFQ) was developed. The DLOPFQ assesses individuals' self-impairments and other impairments in several domains (self-direction, identity, empathy, and intimacy) and across 2 contexts (work/school and relationships). A sample of 140 psychiatric and medical outpatients was administered the DLOPFQ and several other measures to assess its reliability and construct, incremental, and discriminant validity. The internal consistency and convergence with validation measures yielded generally meaningful and expected results. Several DLOPFQ scales and subscales were significantly correlated with measures of DSM-5 trait domains and levels of personality functioning. DLOPFQ scales also correlated with self reported ratings of overdependence, detachment, healthy dependency, and overall mental health and well-being. The DLOPFQ also predicted interpersonal and general functioning beyond DSM-5 trait domains. These results support the reliability and validity of the DLOPFQ, which appears to be suitable for clinical use and warrants ongoing study. (PsycINFO Database Record (c) 2018 APA, all rights reserved). PMID- 29215902 TI - Words matter: Implementing the electronically activated recorder in schizotypy. AB - In schizophrenia-spectrum populations, analyzing the words people use has offered promise for unlocking information about affective states and social behaviors. The electronically activated recorder (EAR) is an application-based program that is combined with widely used smartphone technology to capture a person's real world interactions via audio recordings. It improves on the ecological validity of current methodologies by providing objective and naturalistic samples of behavior. This study is the first to implement the EAR in people endorsing elevated traits of schizophrenia-spectrum personality disorders (i.e., schizotypy), and we expected the EAR to (a) differentiate high and low schizotypy groups on affective disturbances and social engagement and (b) show that high schizotypy status moderates links between affect and social behavior using a multimethod approach. Lexical analysis of EAR recordings revealed greater negative affect and decreased social engagement in those high in schizotypy. When assessing specific traits, EAR and ecological momentary assessment (EMA) converged to show that positive schizotypy predicted negative affect. Finally, high schizotypy status moderated links between negative affect and social engagement when the EAR was combined with EMA. Adherence did not influence results, as both groups wore the EAR more than 90% of their waking hours. Findings supported using the EAR to assess real-world expressions of personality and functioning in schizotypy. Evidence also showed that the EAR can be used alongside EMA to provide a mixed-method, real-world assessment that is high in ecological validity and offers a window into the daily lives of those with elevated traits of schizophrenia-spectrum personality disorders. (PsycINFO Database Record PMID- 29215903 TI - Clinician ratings of vulnerable and grandiose narcissistic features: Implications for an expanded narcissistic personality disorder diagnosis. AB - Conceptualizations of narcissistic personality disorder (NPD) in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (American Psychiatric Association, 2013) have been criticized for focusing too exclusively on grandiose narcissistic traits (e.g., exploitativeness and entitlement) and failing to capture vulnerable narcissistic features (e.g., feelings of inadequacy). We extended prior grandiose and vulnerable narcissism research by examining the degree to which clinician ratings of traits related to grandiosity overlapped with traits related to vulnerability in a large sample of adult outpatients (N = 2,149). We also examined relations with other psychopathology and psychosocial impairment for both (a) narcissistic trait configurations including both vulnerable and grandiose features and (b) configurations focusing on grandiose narcissistic traits. Structural results indicated that some personality features related to vulnerability (e.g., perfectionism and inadequacy) were unrelated to ratings of grandiose narcissistic personality features. Additionally, our results suggest that emphasizing vulnerable features within narcissism trait configurations may increase NPD's overlap with other disorders (e.g., borderline personality disorder and social anxiety) and does not appear to discriminate pathological narcissism from antisocial personality disorder, a disorder with which NPD is highly comorbid. Finally, scores on configurations defined only by grandiose narcissistic traits related positively to all psychosocial impairment indicators, although configurations also including vulnerable features generally showed stronger relations with psychosocial impairment. The implications of these findings in regard to future conceptualizations of NPD are discussed. (PsycINFO Database Record PMID- 29215904 TI - Practice procedures in models of primary care collaboration for children with ADHD. AB - INTRODUCTION: With nationwide movement toward an integrated medical home, evidence to support, compare, and specify effective models for collaboration between primary care and behavioral health professionals is essential. This study compared 2 models of primary care with behavioral health integration on American Academy of Pediatrics guideline adherence for attention-deficit/hyperactivity disorder (ADHD) assessment and treatment. METHOD: We conducted a retrospective chart review of a random sample of children aged 6-13 years, seen for ADHD services in 2 primary care offices, 1 fully integrated model and 1 co-located service only model, comparing ADHD assessment and treatment practices. We used chi-square analyses and logistic regression modeling to determine differences by type of health care model. RESULTS: Among children with ADHD (n = 149), the integrated care model demonstrated higher rates of guideline adherence, more direct contact with schools, and more frequent behavioral observation during clinical encounters. Families in the integrated practice received more caregiver education on ADHD, behavioral management training, and school advocacy, however, these associations did not remain after accounting for variance associated with onsite engagement with a psychologist. Practices were equivalent on use of medication and psychiatric consultation, although, more families in the integrated practice engaged with a psychologist and attended more frequent medication follow-up appointments than those in the co-located practice. DISCUSSION: This study is among the first to compare different levels of collaborative care on practice procedures. Understanding how we can best integrate between behavioral health and primary care services will optimize outcomes for children and families. (PsycINFO Database Record PMID- 29215905 TI - Patient-perceived family stigma of Type 2 diabetes and its consequences. AB - INTRODUCTION: Adults with type two diabetes (T2D) report being monitored and judged by family members, contributing to feelings of guilt/shame, and attempts to conceal one's diabetes status or self-care efforts. However, studies have not yet quantitatively examined T2D stigma from family members. Our objective was to assess the frequency of T2D family stigma and its association with helpful and harmful diabetes-specific family behaviors and psychological and behavioral consequences of stigma. METHOD: A sample of predominantly African-American adults with T2D and low income completed items written for this study to assess T2D family stigma and consequences of stigma. We explored frequencies and bivariate correlations between these constructs and diabetes-specific family behaviors (measured with the Diabetes Family Behavior Checklist-II). RESULTS: Participants (N = 53) were 57.3 +/- 8.7 years old, 70% African American, 96% had annual incomes <$20K, and average HbA1C was 8.0 +/- 2.2%. More than half (57%) reported at least 1 experience of family stigma (1.26 +/- 1.8 of 9 queried, alpha = .84), and 28% reported at least 1 consequence (0.6 +/- 1.3 of 5 queried, alpha = .87). Reporting more family stigma was associated with more consequences (rho = .52, p < .001) but not with helpful or harmful family behaviors. DISCUSSION: Perceptions/experiences of T2D-related family stigma were common in our sample and associated with consequences of stigma including concealment and resentment of self-care, which may affect clinical outcomes. (PsycINFO Database Record PMID- 29215906 TI - Parental perspectives of screening for adverse childhood experiences in pediatric primary care. AB - INTRODUCTION: Pediatricians recognize a need to mitigate the negative impact that adverse childhood experiences (ACEs) can have on health and development. However, ACEs screening and interventions in primary care pediatrics may be inhibited by concerns about parental perceptions. We assessed parent perspectives of screening for ACEs in the pediatric primary care setting, to understand their views on the potential impact of their ACEs on their parenting and to identify opportunities for pediatric anticipatory guidance. METHOD: We used purposive sampling to recruit parents of children <6 years receiving care at an urban, pediatric clinic. Semistructured questions guided 1:1 interviews that were later coded by multiple researchers to verify reliability. A thematic framework approach guided analysis and identified main themes and subthemes. RESULTS: We reached thematic saturation after 15 parent interviews, which consistently revealed 3 interrelated themes. First, parents strongly supported ACEs screening as a bridge to needed services, and they recommended using a trauma-sensitive, person-centered approach in pediatric practices. Second, parents understood the intergenerational impact of ACEs and expressed a desire to break the cycle of adversity. Finally, parents saw their child's pediatrician as a potential change-agent who could provide support to meet their parenting goals. DISCUSSION: Parents want to discuss their ACEs and receive help and guidance from pediatricians. Furthermore, they perceive their child's pediatrician as having an important role to play in meeting their parenting goals. It is important to ensure that pediatricians have the training, skills and familiarity with available resources to meet parental expectations. (PsycINFO Database Record PMID- 29215907 TI - Chemotherapy and cognitive impairment: An animal model approach. AB - A substantial number of cancer survivors who undergo chemotherapy report cognitive disturbances that severely limit daily function (chemobrain). Despite supportive neuropsychological evidence, there is controversy over whether cognitive impairment is caused by the chemotherapy or is the result of potentially confounding factors that include the disease itself, age, and psychological stress. Our research program, conducted on rodents, has confirmed that a range of cognitive processes, mediated in particular by hippocampal and prefrontal brain regions, are affected by anticancer drugs in combination with tumor development and that many of the effects are long lasting. This work has also provided evidence of protective factors (cognitive reserve, physical exercise, environmental enrichment) and the potential of pharmacological treatment (donepezil) interventions in reducing these effects. (PsycINFO Database Record PMID- 29215908 TI - Chronometrage et perception temporelle. AB - This article provides an overview of some contemporary research avenues in the field of timing and time perception. After a brief description of different categories of temporal experiences, the article describes how research on psychological time falls within a psychophysical perspective. Next, some factors changing sensitivity to time or perceived duration are reported. Four main sources affecting this sensitivity are identified : the modality in which the intervals to be estimated are marked, the length of the markers, the number of intervals presented, and whether people are counting explicitly or not when estimating time. When emphasis is placed on the perceived duration of intervals, 3 important factors of influence are retained: attention, the space between markers and emotion and its expression. The biological bases required for processing temporal information are then briefly reviewed, and the article ends with the description of perturbations of the relation to time in some pathologies (schizophrenia, Parkinson's disease and depression). (PsycINFO Database Record PMID- 29215910 TI - Your job is messing with mine! The impact of mobile device use for work during family time on the spouse's work life. AB - The use of mobile technology for work purposes during family time has been found to affect employees' work and family lives. Using a matched sample of 344 job incumbents and their spouses, we examined the role of mobile device (MD) use for work during family time in the job incumbent-spouse relationship and how this MD use crosses over to affect the spouse's work life. Integrating the work-home resources model with family systems theory, we found that as job incumbents engage in MD use for work during family time, work-to-family conflict increases, as does the combined experience of relationship tension between job incumbents and spouses. This tension serves as a crossover mechanism, which then contributes to spouses' experience of family-to-work conflict and, subsequently, family spills over to work outcomes for the spouse in the form of reduced job satisfaction and performance. (PsycINFO Database Record (c) 2018 APA, all rights reserved). PMID- 29215909 TI - Caring for the Elderly at Work and Home: Can a Randomized Organizational Intervention Improve Psychological Health? AB - Although job stress models suggest that changing the work social environment to increase job resources improves psychological health, many intervention studies have weak designs and overlook influences of family caregiving demands. We tested the effects of an organizational intervention designed to increase supervisor social support for work and nonwork roles, and job control in a results-oriented work environment on the stress and psychological distress of health care employees who care for the elderly, while simultaneously considering their own family caregiving responsibilities. Using a group-randomized organizational field trial with an intent-to-treat design, 420 caregivers in 15 intervention extended care nursing facilities were compared with 511 caregivers in 15 control facilities at 4 measurement times: preintervention and 6, 12, and 18 months. There were no main intervention effects showing improvements in stress and psychological distress when comparing intervention with control sites. Moderation analyses indicate that the intervention was more effective in reducing stress and psychological distress for caregivers who were also caring for other family members off the job (those with elders and those "sandwiched" with both child and elder caregiving responsibilities) compared with employees without caregiving demands. These findings extend previous studies by showing that the effect of organizational interventions designed to increase job resources to improve psychological health varies according to differences in nonwork caregiving demands. This research suggests that caregivers, especially those with "double duty" elder caregiving at home and work and "triple-duty" responsibilities, including child care, may benefit from interventions designed to increase work nonwork social support and job control. (PsycINFO Database Record PMID- 29215911 TI - Weird Animals, Sex, and Genome Evolution. AB - Making my career in Australia exposed me to the tyranny of distance, but it gave me opportunities to study our unique native fauna. Distantly related animal species present genetic variation that we can use to explore the most fundamental biological structures and processes. I have compared chromosomes and genomes of kangaroos and platypus, tiger snakes and emus, devils (Tasmanian) and dragons (lizards). I particularly love the challenges posed by sex chromosomes, which, apart from determining sex, provide stunning examples of epigenetic control and break all the evolutionary rules that we currently understand. Here I describe some of those amazing animals and the insights on genome structure, function, and evolution they have afforded us. I also describe my sometimes-random walk in science and the factors and people who influenced my direction. Being a woman in science is still not easy, and I hope others will find encouragement and empathy in my story. PMID- 29215912 TI - An Australian Biobank Certification Scheme: A Study of Economic Costs to Participating Biobanks. AB - Biobanks face increasing demands for research materials of consistent quality, which can be used in collaborative studies. Several countries and some international agencies have made formal efforts to standardize biobank operations and outputs. These include the establishment of best practice guidelines for collection management, and certification programs. Such guidelines and programs increase biobanks' opportunities for participation in high impact research and funding. However, they also impose economic and time costs, which may burden biobanks. This study aimed to estimate the costs of gaining certification and maintaining certification (i.e., committing extra resources to continue standards) for three cancer biobanks participating in a biobank certification program in New South Wales, Australia. To gather cost data for a range of cancer biobanks, we recruited three with different full time equivalent (FTE) staff levels (1.0-3.0), recognizing FTE staff level as an indicator of resources and operating scale. In extended interviews with staff, we gathered biobanks' expected costs in obtaining and annually maintaining certification. The biobank with the highest staff level reported the lowest expected costs in gaining certification, due to the strong prealignment of its present operations with certification requirements. The other biobanks expected higher costs as their operations required greater adjustments. Overall, relative costs of gaining certification were between 2% and 6% of current total annual wage costs. To the authors' knowledge, this is the first such costing study of a biobank certification program. Supplementary Data include the interview schedule that other biobanks may use to estimate their own economic certification costs. PMID- 29215913 TI - High-Content Screening Comparison of Cancer Drug Accumulation and Distribution in Two-Dimensional and Three-Dimensional Culture Models of Head and Neck Cancer. AB - High cancer drug development attrition rates have provoked considerable debate about whether the two-dimensional tumor growth inhibition high-throughput screening assays used in pre-clinical lead discovery adequately reflect solid tumor complexity. We used automated high-content screening image acquisition and analysis methods to compare fluorescent drug uptake, accumulation, and distribution in Cal33 and FaDu head and neck cancer (HNC) monolayer and multicellular tumor spheroid (MCTS) models. Ellipticine, idarubicin, daunorubicin, and doxorubicin were studied because of their fluorescent properties and broad anti-tumor activities. HNC MCTSs were generated in 384-well ultra-low attachment plates where compound exposure, image acquisition, and analysis could be performed in situ. Fluorescent drug accumulation in Cal33 monolayer and MCTS cultures was linear with respect to concentration, and appeared to achieve steady-state levels within 10-15 min of drug exposure, which were maintained through 30-45 min. Drug accumulation in monolayers was independent of cell number and/or density, and every cell achieved uniform drug concentrations. In MCTSs, however, drug accumulation increased as the number of cells and sizes of the MCTSs became bigger. Drugs exhibited restricted penetration and distribution gradients, accumulating preferentially in cells in the outer layers of MCTSs relative to those in the inner cores. Cal33 monolayers were 6-, 20-, 10-, and 16-fold more sensitive than MCTSs to growth inhibition by ellipticine, idarubicin, daunorubicin, and doxorubicin, respectively. In Cal33 MCTSs exposed to ellipticine or doxorubicin for 24 h, MCTSs were smaller and although they still exhibited drug penetration and distribution gradients, the fluorescent intensity difference between outer and inner cells was reduced. After a 24 h exposure, both drugs had penetrated throughout FaDu MCTSs, consistent with drug-induced death of peripheral cell layers enhancing drug penetration. The increased resistance of MCTS cultures and their ability to recapitulate drug penetration and distribution gradients argues strongly for the deployment of these more physiological models in cancer lead discovery. MCTSs have the potential to enhance the correlation between in vitro potencies and in vivo efficacy, and ultimately may lead to improved cancer drug approval rates. PMID- 29215914 TI - Feasibility and effectiveness of a parenting programme for Mexican parents of children with acquired brain injury-Case report. AB - BACKGROUND: Acquired brain injury (ABI) during childhood typically causes behaviour problems in the child and high levels of stress in the family. OBJECTIVES: (1) To investigate the feasibility and effectiveness of a parenting programme to: improve behaviour and self-regulation (SR) in Mexican children with ABI, enhance parenting skills, and decrease parental stress in parents of children with ABI; (2) to explore the impact of parent SR on child. METHODS: Case study design with four participants post-ABI, aged 7-12 years, recruited in Mexico City. A parenting programme (Signposts for Building Better Behaviour) was delivered and provided parents with strategies to manage child behaviour. Child behaviour, child self-regulation, parental stress and parenting practices were measured before, immediately post-intervention, and three months post intervention. RESULTS: At immediate and three months post-intervention improvements in parenting skills, reduction in parental stress, and improvement in child behaviour were identified. CONCLUSIONS: The programme is feasible in a Mexican population and was effective in improving parenting skills and reducing stress in parents of children with ABI, as well as improving child behaviour and behavioural SR. These domains continue improving three months after the intervention. The improvements in challenging behaviour at home did not transfer to the school environment. PMID- 29215915 TI - Perspectives on the relevance of the circadian time structure to workplace threshold limit values and employee biological monitoring. AB - The circadian time structure (CTS) and its disruption by rotating and nightshift schedules relative to work performance, accident risk, and health/wellbeing have long been areas of occupational medicine research. Yet, there has been little exploration of the relevance of the CTS to setting short-term, time-weighted, and ceiling threshold limit values (TLVs); conducting employee biological monitoring (BM); and establishing normative reference biological exposure indices (BEIs). Numerous publications during the past six decades document the CTS substantially affects the disposition - absorption, distribution, metabolism, and elimination - and effects of medications. Additionally, laboratory animal and human studies verify the tolerance to chemical, biological (contagious), and physical agents can differ extensively according to the circadian time of exposure. Because of slow and usually incomplete CTS adjustment by rotating and permanent nightshift workers, occupational chemical and other contaminant encounters occur during a different circadian stage than for dayshift workers. Thus, the intended protection of some TLVs when working the nightshift compared to dayshift might be insufficient, especially in high-risk settings. The CTS is germane to employee BM in that large-amplitude predictable-in-time 24h variation can occur in the concentration of urine, blood, and saliva of monitored chemical contaminants and their metabolites plus biomarkers indicative of adverse xenobiotic exposure. The concept of biological time-qualified (for rhythms) reference values, currently of interest to clinical laboratory pathology practice, is seemingly applicable to industrial medicine as circadian time and workshift-specific BEIs to improve surveillance of night workers, in particular. Furthermore, BM as serial assessments performed frequently both during and off work, exemplified by employee self-measurement of lung function using a small portable peak expiratory flow meter, can easily identify intolerance before induction of pathology. PMID- 29215917 TI - Breaking the cycle of opioid use disorder with Ibogaine. PMID- 29215916 TI - New and incremental FDA black box warnings from 2008 to 2015. AB - BACKGROUND: The boxed warning (also known as 'black box warning [BBW]') is one of the strongest drug safety actions that the U.S. Food & Drug Administration (FDA) can implement, and often warns of serious risks. The objective of this study was to comprehensively characterize BBWs issued for drugs after FDA approval. METHODS: We identified all post-marketing BBWs from January 2008 through June 2015 listed on FDA's MedWatch and Drug Safety Communications websites. We used each drug's prescribing information to classify its BBW as new, major update to a preexisting BBW, or minor update. We then characterized these BBWs with respect to pre-specified BBW-specific and drug-specific features. RESULTS: There were 111 BBWs issued to drugs on the US market, of which 29% (n = 32) were new BBWs, 32% (n = 35) were major updates, and 40% (n = 44) were minor updates. New BBWs and major updates were most commonly issued for death (51%) and cardiovascular risk (27%). The new BBWs and major updates impacted 200 drug formulations over the study period, of which 64% were expected to be used chronically and 58% had available alternatives without a BBW. CONCLUSIONS: New BBWs and incremental updates to existing BBWs are frequently added to drug labels after regulatory approval. PMID- 29215918 TI - Downregulation of miR-335-5p by Long Noncoding RNA ZEB1-AS1 in Gastric Cancer Promotes Tumor Proliferation and Invasion. AB - Recently, long noncoding RNAs (lncRNAs) have emerged as new gene regulators and prognostic biomarkers in several cancers, including gastric cancer (GC). In this study, we investigate the role of lncRNA ZEB1 antisense1 (ZEB1-AS1) on GC progression. In the present study, we found that ZEB1-AS1 expression was upregulated in GC tissues and cell lines. High ZEB1-AS1 expression was significantly correlated with advanced TNM stage, lymph node metastasis, and poor overall survival in GC patients. ZEB1-AS1 suppression reduced GC cell proliferation and invasion in vitro. Tumor formation assay in nude mice showed that ZEB1-AS1 inhibition suppressed GC cell growth. Quantitative real-time PCR showed that miR-335-5p expression was downregulated and negatively correlated with ZEB1-AS1 expression in GC tissues. And miR-335-5p expression was directly regulated by ZEB1-AS1. Furthermore, we found that inhibition of miR-335-5p abrogated the suppression of proliferation and invasion of GC cells induced by ZEB1-AS1 depletion. Collectively, ZEB1-AS1 is critical for the proliferation and invasion of GC cells by regulating miR-335-5p. Our findings indicated that ZEB1 AS1 might offer potential novel therapeutic targets for GC patients. PMID- 29215919 TI - Distribution and morphology of ghrelin immunostained cells in the adrenal gland of the African ostrich. AB - Ghrelin is the endogenous ligand for the growth hormone secretagogue receptor. We investigated the distribution and morphological characteristics of ghrelin immunopositive (ghrelin-ip) cells in the African ostrich adrenal gland. We found that the adrenal gland of the African ostrich consisted of three parts: capsule, inter-renal tissue and chromaffin cells. The inter-renal tissue and chromaffin cells interdigitated irregularly. The inter-renal tissue consisted of a peripheral zone and a central inner zone. The peripheral zone could be divided into an outer subcapsular zone and an inner zone. The subcapsular zone cells were arranged as a bow, while the inner area cells formed cords that were perpendicular to the capsule. The central inner zone exhibited irregular clumps and the cells were morphologically similar to chromaffin cells. Ghrelin-ip cells were located throughout the adrenal gland except the capsule. The majority of ghrelin-ip cells were found among the chromaffin cells. The number of ghrelin-ip cells in the inter-renal tissue decreased gradually from the central inner zone, to the inner zone to the subcapsular zone. The ghrelin-ip cells were oval or irregular in shape and exhibited cytoplasmic staining. Our findings suggest that ghrelin may play a role in regulating adrenal hormone secretion in the African ostrich. PMID- 29215920 TI - Effects of genetic variants of ST8SIA2 and NCAM1 genes on seasonal mood changes and circadian preference in the general population. AB - ST8SIA2 and NCAM1 are functionally related genes forming polysialic acid (PSA) - neural cell adhesion molecule (NCAM) complex in suprachiasmatic nucleus (SCN), the regulating site of circadian biological rhythm. In this study, the relationship of ST8SIA2 and NCAM1 with circadian and seasonal rhythms of human behavior was explored. Subjects were 261 healthy Korean adults who were free of any history of clinically significant psychiatric symptoms. The phenotypes were circadian preference and seasonal change of mood and behavior (seasonality) measured by the Composite Scale of Morningness and the Seasonal Pattern Assessment Questionnaire, respectively. Thirty-four single nucleotide polymorphisms (SNPs) across the ST8SIA2 region and 15 SNPs of NCAM1 were analyzed. A nominally significant association with seasonality and circadian preference was observed in 21 variants of both genes. After corrections for multiple testing, associations of 8 SNPs of ST8SIA2 and 2 SNPs of NCAM1 with seasonality remained significant. Some of these SNPs were also associated with psychiatric disorders in previous studies. This study demonstrated a meaningful and/or suggestive evidence of association between behavioral phenotypes reflecting human biological rhythm and two interplaying genes involved in the plasticity of SCN's neuronal network. PMID- 29215921 TI - Authors reply to Letter to the Editor- In Response to: "Smit D, Meyer D, Maritz J, et al. Polymerase Chain Reaction and Goldmann-Witmer Coefficient to Examine the Role of Epstein-Barr Virus in Uveitis". PMID- 29215923 TI - Sulfide-Stimulation of Oxygen Consumption Rate and Cytochrome Reduction in Gills of the Estuarine Mussel Geukensia demissa. AB - Organisms, such as the mussel Geukensia demissa, that inhabit high-sulfide sediments have mechanisms that impede sulfide poisoning of aerobic respiration. Oxygen consumption rates (nO2) of excised ciliated gills from freshly collected G. demissa were stimulated 3-fold at sulfide concentrations between 200 and 500 MUM and remained stimulated at 1000 MUM. Maintenance of mussels in sulfide-free conditions resulted in less stimulation of gill nO2 at <500 MUM sulfide and inhibition between 500 and 1000 {mu}M sulfide. Gills of Mytilus galloprovincialis from a sulfide-free environment were inhibited by {ge}200 MUM sulfide. These results indicate that sulfide stimulation of nO2 may be correlated to environmental exposure to sulfide. Serotonin, a neurohormonal stimulant of ciliary beating, further increased sulfide-stimulated nO2, possibly in support of energy demand. Sulfide-stimulated nO2 was negligible in boiled gills and was 61% inhibited by cyanide, implicating the participation of mitochondrial electron flux. Mitochondrial cytochromes c and oxidase oxidation/ reduction state changed little at <500 MUM sulfide, but reduction occurred at 500-2000 MUM sulfide, suggesting that although cytochrome oxidation/reduction state may be regulated in the face of increased electron flux, regulation may fail at inhibitory sulfide levels. Sulfide-stimulated nO2 may represent a detoxification mechanism in G. demissa. PMID- 29215922 TI - APTM, a Thiophene Heterocyclic Compound, Inhibits Human Colon Cancer HCT116 Cell Proliferation Through p53-Dependent Induction of Apoptosis. AB - To evaluate the in vitro anticancer activity and to investigate the mechanism of action of a thiophene heterocyclic compound, [3-Amino-5-[(2,6 dimethylphenyl)amino]-4-(phenylsulfonyl)-2-thienyl](4-fluorophenyl)methanone (APTM) against human colon cancer HCT116 cells. Sulforhodamine B assay and colony formation assay for cell proliferation assay; propidium iodide (PI) staining for cell cycle profile analysis; Hoechst staining; annexin V-FITC/PI double staining and Western blotting for apoptosis assay. APTM inhibits the growth of HCT116 cells dose and time dependently. The growth inhibitory effect of APTM on HCT116 cells was associated with induction of apoptosis but not cell cycle arrest. Also, the isogenic cell depletion of p53 was resistant to APTM-induced apoptosis and thus grows relatively better than the wild-type cells. The anticancer effect of APTM resulted from p53-dependent induction of apoptosis. Also, APTM is a promising lead compound for the treatment of human colon cancer. PMID- 29215924 TI - Effects of Hypoxia and Low-Frequency Agitation on Byssogenesis in the Freshwater Mussel Dreissena polymorpha (Pallas). AB - The effect of variations in PO2 and agitation rate on byssogenesis, motility, and survival of the zebra mussel (Driessena polymorpha) was investigated. Mussels exposed to a PO2 {le} 15.4 torr exhibited increased mortality, reduced motility, and significant suppression of byssogenesis. At 7.7 and 15.4 torr, mean survival times were 5.2 and 5.8 days, maximum survival times being 15 and 16 days, respectively. After 21 days at a PO2 of 23.1 torr, sample mortality was 33.3% and declined to 18.2% at 30.9 torr. There was no mortality at full air O2 saturation (~ 154.3 torr). Adult zebra mussels exhibited the highest rate of byssogenesis in still water (0 cycles per minute [CPM]). Rate of byssogenesis progressively decreased as agitation rate increased. At 30 and 40 CPM, rate of byssal thread production was significantly lower than at 0 CPM. After 21 days, means of 58.6 and 44.8 byssal threads/mussel were found in the byssal mass of specimens exposed to 30 and 40 CPM, respectively, significantly fewer than the mean of 92.7 threads/mussel recorded in still water. Suppression of byssogenesis in D. polymorpha under hypoxic conditions is a response similar to that reported for the marine mytilid Mytilis edulis; however, suppression of byssogenesis with elevated agitation rate is the opposite response to that reported for M. edulis. PMID- 29215925 TI - Antibacterial Properties of Isolated Amoebocytes From the Sea Anemone Actinia equina. AB - The antimicrobial defenses of anthozoans were investigated in vitro by extracting amoebocytes from the mesenteric filaments of the beadlet anemone, Actinia equina, and testing for their ability to phagocytose and kill the gram-negative bacterium Psychrobacter immobilis. Only the hyaline amoebocytes exhibited phagocytosis in vitro, with about 40% seen to ingest one or more bacteria over 45 min. Mixed cultures of viable amoebocytes were further found to produce O2- ions and other reactive oxygen species (ROS) after stimulation with phorbol myristate acetate or lipopolysaccharide. Co-incubation of viable amoebocytes with P. immobilis for 3 h in vitro resulted in reduced growth of the bacterium compared to saline-incubated bacteria, but because the growth of P. immobilis was also impaired by lysed control amoebocytes, the contribution made to bacterial killing by ROS could not be evaluated. Instead, as confirmed by additional experiments using lysate supernatants of the amoebocytes, it appears that the cells contain soluble bactericidal factors. The nature of these agents is at present unknown, although preliminary tests indicate that killing is not mediated by lysozyme. PMID- 29215926 TI - Madreporite Function and Fluid Volume Relationships in Sea Urchins. AB - An effort was made to demonstrate an influx of seawater through the madreporites of sea urchins and to evaluate how such an influx, along with osmotic differences and other factors, could contribute to fluid homeostasis. Fluorescent microbeads placed in the medium of Strongylocentrotus droebachiensis were taken up into the pore canals and stone canal and distributed (in small numbers) to the distal tube feet, confirming a slow bulk inflow of seawater through the madreporite, where it is partially purified. Probably none of this fluid stream is diverted to the perivisceral coelom (as it is in asteroids), since experiments with Strongylocentrotus pallidus showed no significant movement of a soluble fluorescent tracer into that compartment. The osmotic concentrations of the perivisceral coelomic fluids in these two species, and in Strongylocentrotus franciscanus, were higher than that of ambient seawater by 2.66 +/- 0.39 mosmol kg-1 (mean +/- SE). That small hyperosmoticity, along with the net hydrostatic pressure differences induced by the flexing peristome, probably stabilizes body fluid volume. Likewise, fluid in the tube feet of S. franciscanus is elevated by 7.94 +/- 1.04 mosmol kg-1 above seawater, which should contribute to their inflation. Blockage of the madreporite does not lead to an obviously reduced activity of the tube feet, but over the long term, an influx through the madreporite is necessary. Specimens of S. droebachiensis with an obstructed madreporite, fed ad libitum, had significantly (P < 0.006) reduced gut contents vs controls after 28 days, indicating impaired movement or feeding; and the body weights (i.e., volumes) of unfed specimens were significantly (P < 0.013) more reduced after 21 days. Compared to starfish, the rigid test of sea urchins reduces the need for an influx of seawater through the madreporite, but some small admission is still essential. PMID- 29215927 TI - Evidence for Intercellular Coupling and Connexin-like Protein in the Luminescent Endoderm of Renilla koellikeri (Cnidaria, Anthozoa). AB - Gap junction plaques are abundant in Hydrozoa, where they play an important role in signal propagation through epithelia and nerve nets, but they have not been found in the two other classes of Cnidaria, the Scyphozoa and the Anthozoa. Here several lines of evidence are presented that point to the existence of intercellular coupling in tissues of the anthozoan Renilla koellikeri, especially in the luminescent endoderm. Dye-exchange experiments show that calcein vital stains spread between cultured cells after their reassociation. Polyp luminescence evoked by KCI depolarization, electrical stimulation, or {beta} adrenergic agonists was largely and reversibly suppressed in the presence of the gap junction uncouplers octanol, heptanol, and low pH sodium acetate. A connexin43-like protein was isolated on Western blots of R. koellikeri membrane extracts by using a monoclonal connexin-43 antibody. Loading this antibody in R. koellikeri tissues resulted in the suppression of luminescence evoked by electrical stimulation. Immunohistochemical investigations using this antibody revealed mostly punctate immunostaining associated with endodermal cells of the luminescent tissue and with the mesogleal nerve net. Electron microscopic observations confirmed the absence of conventional gap junction plaques in these tissues, but revealed the presence of tiny zones of close membrane apposition between light-emitting and other endodermal cells, with gaps of 2-4 nm. Taken together, these results are consistent with the notion of the existence in R. koellikeri of intercellular coupling (1) involved in local transmission of luminescence signals, and (2) mediated by connexin43-based connexons that are not assembled into typical gap junction plaques. PMID- 29215928 TI - Chemical Induction of Larval Settlement Behavior in Flow. AB - The ability of dissolved chemical cues to induce larval settlement from the water column has long been debated. Through computer-assisted video motion analysis, we quantified the movements of individual oyster (Crassostrea virginica) larvae in a small racetrack flume at free-stream flow speeds of 2.8, 6.2, and 10.4 cm/s. In response to waterborne chemical cues, but not to seawater (control), oyster larvae moved downward in the water column and swam in slow curved paths before attaching to the flume bottom. Effective stimuli were adult-oyster-conditioned seawater (OCW) and a synthetic peptide analog (glycyl-glycyl-L-arginine) for the natural cue. The chemically mediated behavioral responses of oyster larvae in flow were essentially identical to those responses previously reported in still water. Our experimental results therefore demonstrate the capacity of waterborne cues to evoke settlement behavior in oyster pediveligers under varying hydrodynamic conditions. PMID- 29215929 TI - Metabolism of Gemmules From the Freshwater Sponge Eunapius fragilis During Diapause and Post-Diapause States. AB - Post-diapause gemmules of the freshwater sponge Eunapius fragilis remained quiescent when maintained at 5 degrees C. Germination occurred within 48 to 72 h following warming to 20 degrees -23 degrees C, culminating with the emergence of a new sponge from the collagenous capsule. Both heat dissipation and oxygen consumption climbed steadily during germination and eventually reached 600% of the starting values. By comparison, energy flow was much lower over the same period of time in diapausing gemmules, clearly demonstrating metabolic depression during diapause. The calorimetric:respirometric (CR) ratio increased significantly from -354 kJ/mol O2 to -541 kJ/mol O2 between hours 3.5 and 56.5 of germination, with an average value across this period of about -495 kJ/mol O2. The low CR ratio at hour 12.5 (-374 +/- 21; +/- 1 SE, n = 3) was statistically below the oxycaloric equivalent, which suggests that gemmules may have experienced hypoxia during the more than 3 months of storage at 5 degrees C prior to experiments. The increase in metabolism during germination could be blocked by perfusing the gemmules with nitrogen-saturated medium (nominally oxygen free). Developing gemmules were able to survive oxygen limitation for several hours at least; during that time energy flow was depressed to 6% of normoxic values. During germination, the range of values was 3.5 to 4.0 nmol/mg protein for ATP, 0.2 to 0.4 nmol/mg protein for ADP, and 0.5 to 0.8 nmol/mg protein for AMP. Because ATP was high even before gemmules were warmed to room temperature, it is unlikely that levels were severely compromised during the diapause condition. PMID- 29215930 TI - Morphological Evidence for a Chitin-Like Glycoprotein in Penaeid Hatching Envelopes. AB - When chitin hydrolytic enzymes (chitinase and N-acetylglucosaminidase) were used as treatment during formation of the hatching envelope (HE) of the penaeid shrimp Sicyonia ingentis, results indicated the presence of carbohydrate moieties in the envelope. Eggs exposed to these enzymes had abnormal HEs that might elevate and often collapsed. The finding that chitin synthase inhibitors (tunicamycin, nikkomycin Z, and polyoxin D) also interfered with normal HE formation is further evidence for a carbohydrate component. The application of these synthase inhibitors resulted in more fragile envelopes that elevated and collapsed or were easily lost during processing. Similar results were seen in the absence of divalent ions (magnesium and calcium) considered critical for normal chitin formation. This morphological evidence is indicative of a chitin-like, linked carbohydrate in the HE of Sicyonia ingentis. PMID- 29215931 TI - Sources of Energy for Increased Metabolic Demand During Metamorphosis of the Abalone Haliotis rufescens (Mollusca). AB - Pelagic, lecithotrophic (nonfeeding) larvae of the red abalone (Haliotis rufescens) settle and subsequently metamorphose into benthic juveniles capable of feeding on particulate food. Thus, metamorphosis must be fueled by either endogenous reserves or a nonparticulate food source such as dissolved organic material (DOM) in seawater. The metabolic rates (measured as oxygen consumption) of abalone larvae were found to increase by an average of 3- to 5-fold from the larva to early juvenile stage. The total cost of development from embryo to juvenile measured for three cultures ranged from 41.6 mJ to 55.0 mJ. Meeting this cost would require 1.3 to 1.7 {mu}g of biomass (ash-free dry mass), which is similar to the initial biomass of the spawned oocyte at 1.36 +/- 0.04 {mu}g (mean of four cultures). However, there was no net loss of biomass during development from the oocyte to the juvenile. The uptake of alanine and glucose from seawater by larvae and juveniles could provide one-third of the organic material required to supply metabolism, even if the transporters were only operating at 20% of their maximum capacity throughout development. For larvae undergoing metamorphosis (between 6- and 9-days-old) the proportion of total metabolic demand supplied using aerobically catabolized biomass was only 39%. The higher metabolic rates of metamorphosis are met only in part by consuming stored endogenous reserves. Concomitant with an increase in mass-specific metabolic rate during metamorphosis, the maximal capacity (Jmax) for the transport of dissolved alanine from seawater increased 3-fold, from 61.2 +/- 1.9 (SE) to 182.0 +/- 49 pmol alanine individual-1 h-1. The majority (range: 61% to 100%) of the energy requirements of larval and early juvenile development of H. rufescens could be supplied by input of DOM from the environment. Measurements of transport rates of amino acids and sugars by these animals, and calculations of the energy input from these substrates, indicate that the cumulative transport of DOM from seawater during development to the early juvenile stage could supply an amount of energy equivalent to the initial maternal endowment of energy reserves to the oocyte of this lecithotrophic species. PMID- 29215932 TI - Carbohydrate Mobilization During Germination of Post-Diapausing Gemmules of the Freshwater Sponge Eunapius fragilis. AB - Post-diapausing gemmules of the freshwater sponge Eunapius fragilis were found to contain sorbitol and glycogen as their primary carbohydrates. The sorbitol probably acts to increase the tolerance of the gemmules to freezing and desiccation. During germination, average sorbitol levels--measured as micromoles of sorbitol per gram of fresh weight of gemmule tissue (MUmol/gfw)--declined from a control value of 36 MUmol/gfw to about 4 MUmol/gfw. Concomitantly, average glycogen levels increased from a control value of 29 MUmol/gfw to a steady-state level of 62 MUmol/gfw. It is probable that glycogen is being synthesized at the expense of sorbitol. The breakdown of sorbitol was associated with an increase in the activity of sorbitol dehydrogenase from undetectable levels in dormant gemmules to a maximum of 0.2 MUmol/ min . mg protein after 30 h of exposure to 20 degrees C. Aldose reductase activity remained constant throughout germination. These data support the hypothesis that the decrease in sorbitol levels is the result of an increase in the rate of catabolism by sorbitol dehydrogenase. The total activity of glycogen synthase did not change during germination; however, the activity of glucose-6-phosphate-dependent glycogen synthase was about 18 times greater than the activity of glucose-6-phosphate-independent glycogen synthase. Total glycogen phosphorylase activity increased from about 1.6 nmol/min.mg protein to 3.6 nmol/min.mg protein during germination. At the same time, however, the percentage of glycogen phosphorylase a decreased from almost 100% to about 84%. This decrease would attenuate the apparent increase in activity. cAMP levels remained constant throughout germination. The observed changes in the level of glycogen in the gemmules are not simply due to changes in the activity of either glycogen phosphorylase or glycogen synthase. PMID- 29215936 TI - Eov Toc. PMID- 29215937 TI - Orthorexia Nervosa: A Review of the Literature. AB - BACKGROUND: The phenomenon of orthorexia nervosa (ON) has been noted by clinicians since 1996 and described in the scientific literature, and yet there is no formal recognition of ON as a psychiatric diagnosis. OBJECTIVE: Review the latest available literature regarding diagnoses similarities, presentation uniqueness, assessment/assessment tools, and suggested treatments of ON. METHOD/DESIGN: A literature search of four databases focusing on articles published between 2000 and 2016 was conducted to evaluate the status of the literature on Orthorexia. RESULTS: Among the 15 articles selected for this review, similarities with other psychiatric disorders emerged, confusion about use of assessment tools existed, and the lack of evidence based treatments for ON was pronounced. CONCLUSION: More research is needed to determine the prevalence of pathologically unhealthy, obsessive, "self-defined healthy," eating behaviors, and to determine if ON is a unique eating disorder or just a subset of another disorder. PMID- 29215933 TI - A randomized phase II trial of induction chemotherapy followed by cisplatin chronotherapy versus constant rate delivery combined with radiotherapy. AB - Chronotherapy is no longer a novel concept in cancer treatment after approximately 20 years of development. Many clinical trials have provided strong supporting evidence that chronomodulated treatment yields better results than a traditional dosage regimen. This study aimed to evaluate the adverse reactions, effect on immune functions, and therapeutic efficacy of chronomodulated infusion versus flat intermittent infusion of cisplatin (DDP) combined with intensity modulated radiation therapy (IMRT) in patients with locoregionally advanced nasopharyngeal carcinoma (NPC). A total of 148 patients with biopsy-diagnosed untreated stage III-IVb NPC were randomly assigned to undergo two cycles of chronomodulated infusion (study group) or flat intermittent infusion (control group) of DDP (100 mg/m2 on day 1, 21 days/cycle) synchronized with radical radiotherapy. Patients in the study group received chronomodulated infusion, with peak delivery of DDP at 16:00 pm. Patients in the control group received a routine constant rate of infusion. Both groups were treated with the same radiotherapy techniques. Over a median follow-up of 20 months, the study group had better outcomes for adverse effects and immune functions compared with the control group. During the phase of concurrent chemoradiotherapy, the incidence of nausea, vomiting, and oral mucositis in the study and control groups was 66.7% and 79.5% (p < 0.05), 47.9% and 71.2% (p < 0.05), and 73.9% and 87.7% (p < 0.05), respectively. There was no significant difference in 2-year overall survival, progression-free survival, and distant metastasis-free survival between the two groups (p > 0.05). Chronochemotherapy significantly reduced the incidence of adverse reactions and enhanced the tolerance for treatment without affecting survival. It is worth mentioning that reduced destruction of immune function is a novel area of exploration in chronotherapy research. PMID- 29215938 TI - Putting Mental Health Above All-Literally. PMID- 29215940 TI - Associate Editors "Issues in Mental Health Nursing" 2017. PMID- 29215941 TI - The Role of Wnt/beta-Catenin Signaling Pathway in the Transdifferentiation from Periodontal Ligament Stem Cells to Schwann Cells. AB - This study was aimed to investigate the role of Wnt/beta-catenin signaling pathway in the differentiation from periodontal ligament stem cells (PDLSCs) to Schwann cells (SCs) and the possible mechanisms. FzB was applied to inhibit the Wnt/beta-catenin signaling pathway of differentiated PDLSCs (dPDLSCs), and then immunofluorescence, polymerase chain reaction (PCR), and Western blotting analysis were performed to detect SC marker genes and proteins such as S100, glial fibrillary acidic protein (GFAP), and P75NTR. Results showed that when the Wnt/beta-catenin signaling pathway was inhibited, the expression of S100, GFAP, and P75NTR protein significantly decreased in dPDLSCs, p < 0.05, whereas PCR results showed that expression of SC myelinogenesis-related genes krox-20, Oct-6, P0, and PMP-22 was significantly downregulated at the same time, p < 0.05. These results showed that Wnt/beta-catenin signaling pathway participated in the differentiation from PDLSCs to SCs, and inhibiting it could inhibit the differentiation process. PMID- 29215942 TI - Cocktail of Chemical Compounds and Recombinant Proteins Robustly Promote the Stemness of Adipose-Derived Stem Cells. AB - Induced pluripotent stem cells (iPSCs) from somatic cells can be reprogrammed to provide an unlimited cell resource showing great potential in disease modeling and regenerative medicine. However, the traditional method for reprogramming cells into iPSCs using genome-integrating retro- or lenti-viruses remain an obstacle for its application in clinical settings. We tried the possibility to generate pre-iPSCs from human adipose-derived stem cells (ADSCs) by nongenetic reprogramming using recombinant cell-penetrating proteins OCT4/KLF4/SOX2 (PTD OKS) and the cocktail of small molecules (VCFZ). Our experimental results demonstrated that PTD-OKS in combination with VCFZ (VCFZ+OKS) could significantly enhance the stemness of ADSCs and easily get pre-iPSCs after 25 days treatments. The pre-iPSCs showed similar morphology to iPSCs, which were positive for alkaline phosphatase staining. Furthermore, RT-polymerase chain reaction analysis showed that VCFZ+OKS could significantly upregulate the expression of OCT4, KLF4, SOX2, and NANOG gene after 25 days treatment. And immunofluorescence staining also showed that the protein makers of pluripotent stem cell were positively expressed in VCFZ+OKS treated group. Our data suggest that nongenetic-mediated reprogramming from ADSCs may be a promising stem cell sources for cell therapy in the near future. PMID- 29215943 TI - In vivo and ex vivo analyses of amyloid toxicity in the Tc1 mouse model of Down syndrome. AB - RATIONALE: The prevalence of Alzheimer's disease is increased in people with Down syndrome. The pathology appears much earlier than in the general population, suggesting a predisposition to develop Alzheimer's disease. Down syndrome results from trisomy of human chromosome 21, leading to overexpression of possible Alzheimer's disease candidate genes, such as amyloid precursor protein gene. To better understand how the Down syndrome context results in increased vulnerability to Alzheimer's disease, we analysed amyloid-beta [25-35] peptide toxicity in the Tc1 mouse model of Down syndrome, in which ~75% of protein coding genes are functionally trisomic but, importantly, not amyloid precursor protein. RESULTS: Intracerebroventricular injection of oligomeric amyloid-beta [25-35] peptide in three-month-old wildtype mice induced learning deficits, oxidative stress, synaptic marker alterations, activation of glycogen synthase kinase 3beta, inhibition of protein kinase B (AKT), and apoptotic pathways as compared to scrambled peptide-treated wildtype mice. Scrambled peptide-treated Tc1 mice presented high levels of toxicity markers as compared to wildtype mice. Amyloid beta [25-35] peptide injection in Tc1 mice induced significant learning deficits and enhanced glycogen synthase kinase-3beta activity in the cortex and expression of apoptotic markers in the hippocampus and cortex. Interestingly, several markers, including oxidative stress, synaptic markers, glycogen synthase kinase 3beta activity in the hippocampus and AKT activity in the hippocampus and cortex, were unaffected by amyloid-beta [25-35] peptide injection in Tc1 mice. CONCLUSIONS: Tc1 mice present several toxicity markers similar to those observed in amyloid-beta [25-35] peptide-treated wildtype mice, suggesting that developmental modifications in these mice modify their response to amyloid peptide. However, amyloid toxicity led to severe memory deficits in this Down syndrome mouse model. PMID- 29215944 TI - FERONIA/FER-like receptor kinases integrate and modulate multiple signaling pathways in fruit development and ripening. AB - Ripening of fleshy fruits is a complex process that involves dramatic changes in color, texture, flavor, and aroma, which is essentially regulated by multiple hormone signals. Although the metabolic mechanisms for the regulation of fruit development and ripening have been studied extensively, little is known about the signaling mechanisms underlying this process. FERONIA has been increasingly suggested to be implicated in multiple signaling pathways. In a recent publication, we showed that a FERONIA/FER -like receptor kinase, FaMRLK47, playes an important role in the regulation of fruit ripening in strawberry (Fragaria * ananassa, a typical non-climacteric fruit) fruit. Over-expression orRNAi-mediated down regulation of FaMRLK47 caused a delay or acceleration, respectively, of fruit ripening progress. Meanwhile, overexpression orRNAi-mediated down regulation of FaMRLK47 caused a decrease or increase, respectively, in the ABA induced expression of a series of ripening-related genes. More recently, we also found that MdFERL1, a FERONIA/FER-like receptor kinase in tomato plant, was implicated in the regulation of tomato fruit ripening via modulating ethylene production. We propose that FERONIA/FER-like receptor kinases may function to regulate fruit development and ripening via integrate multiple signaling pathways in both climacteric and non-climacteric fruits. PMID- 29215945 TI - The adverse effects of chronic low-dose exposure to nonylphenol on type 2 diabetes mellitus in high sucrose-high fat diet-treated rats. AB - OBJECTIVES: Although it has been shown that exposure to environmental endocrine disruptors (EDCs) has been implicated as a potential risk factor for metabolic disease, information on adverse effect of chronic low-dose exposure to nonylphenol (NP), on the development and progress of type 2 diabetes mellitus (T2DM) is scarce. NP, as an EDC, is a ubiquitous degradation product of nonylphenol polyethoxylate (NPE) that is primarily used in cleaning and industrial processes. METHOD: Eighty Sprague-Dawley rats were assigned into 8 groups (n = 10 per group): rats fed a normal-diet (ND) as the control (C-ND); rats fed a normal diet and were gavaged with NP at a dose level of 0.02 MUg/kg/day (NP-L-ND), 0.2 MUg/kg/day (NP-M-ND) or 2 MUg/kg/day (NP-H-ND), respectively; rats fed a high-sucrose/high-fat diet (HSHFD) as the HSHFD control (C-HSHFD); rats fed a HSHFD and were gavaged with NP at a dose level of 0.02 MUg/kg/day (NP-L-HSHFD), 0.2 MUg/kg/day (NP-M-HSHFD) or 2 MUg/kg/day (NP-H HSHFD), respectively. RESULT: On day 180, the rats in the groups treated with NP M-HSHFD and NP-H-HSHFD showed significant increases in body weight (p < 0.05) in comparison with the C-ND group. Fast blood glucose (FBG) level in the NP-M-HSHFD and NP-H-HSHFD groups was higher than that in the C-ND group (F = 96.17, p < 0.001). The fast serum insulin (FINS) level of rats was lower in both the NP-M HSHFD and NP-H-HSHFD groups compared with the C-ND group (F = 145.56, p < 0.001). Serum leptin (LEP) level in both the NP-M-HSHFD and NP-H-HSHFD groups was lower when compared with the C-ND group (F = 34.62, p < 0.001). The effect of NP at the dose level of 0.2 MUg/kg/day on FBG, serum FINS and LEP levels in rats was greatest among the treatment groups (p < 0.05). Oral glucose tolerance test showed increased area under the curve (AUC) in treatment groups at week 12 (p < 0.05). A decrease of pancreatic islet numbers and size was exhibited in the pancreatic tissue of NP-M-HSHFD and NP-H-HSHFD treated rats compared with C-ND treated rats. Co-exposure to NP and HSHFD causes inflammatory changes histologically. CONCLUSION: Chronic low-dose exposure to NP might induce impaired glucose tolerance, which further lead to insulin resistance, and pancreatic beta cell insulin secretion deficiency, ultimately increase the risk of T2DM. Moreover, additive toxic effects of NP and HSHFD on pancreatic beta-cell function and glucose metabolism have been identified in rats as well. PMID- 29215946 TI - Synthesis of the first novel pyrazole thioglycosides as deaza ribavirin analogues. AB - This study reports a novel and efficient method for the synthesis of the first reported novel class of thiopyrazoles and their corresponding thioglycosides. These series of compounds were designed through the reaction of hydrazine derivatives with sodium dithiolate salt 2 in EtOH at ambient temperature to give the corresponding sodium 5-amino-4-cyano-1H-pyrazole-3-thiolates 4a-d. The latter compounds were treated with alpha-acetobromoglucose 6a and alpha acetobromogalactose 6b in DMF at ambient temperature to give in an excellent yields the corresponding pyrazole S-glycosides 7a-h. Ammonolysis of the pyrazole thioglycosides 7a-h afforded the corresponding free thioglycosides 8a-h. PMID- 29215947 TI - Co-metabolic degradation of iomeprol by a Pseudomonas sp. and its application in biological aerated filter systems. AB - The non-ionic water-soluble X-ray contrast agent iomeprol (IOM) enters the water supply through sewage treatment plants, which can cause considerable environmental harm. In this study, Pseudomonas sp. I-24 (I-24) was tested for its ability to remove IOM from water via co-metabolic pathways. The optimum removal rate of IOM by I-24 was 38.43% +/- 3.70% when starch served as the source of external carbon, and its co-metabolism of IOM conformed to the first-order kinetics. The highest activity of intracellular enzyme (degrading enzyme) extracted from I-24 was 0.143 +/- 0.005 mU in starch condition. The Michaelis constant of the degrading enzyme was found to be 91.08 MUmol L-1. However, glucose and maltose showed the best promotive effects on the growth and electron transport activity of I-24, indicating that overgrowth may result in competitive inhibition and a reduced degradation rate of IOM. Adding I-24 and degrading enzymes to biological aerated filters increased IOM removal rates without affecting CODMn removal. PMID- 29215948 TI - Evaluation of suitable DNA regions for molecular identification of high value medicinal plants in genus Kaempferia. AB - DNA barcoding coupled high resolution melting (Bar-HRM) is an emerging method for species discrimination based on DNA dissociation kinetics. The aim of this work was to evaluate the suitability of different primer sets, derived from selected DNA regions, for Bar-HRM analysis of species in Kaempferia (Zingiberaceae). Four primer pairs were evaluated (rbcL, rpoC, trnL and ITS1). It was observed that the ITS1 barcode was the most useful DNA barcoding region overall for species discrimination out of all of the regions and primers assessed. Thus, the primer pair derived from the ITS1 region was the single most effective region for the identification of the tested species, whereas the rbcL primer pair gave the lowest resolution. Our Bar-HRM developed here would not only be useful for identification of Kaempferia plant specimens lacking essential parts for morphological identification but will be useful for authenticating products in powdered form of a high value medicinal species Kaempferia parviflora, in particular. PMID- 29215949 TI - Laparoscopic Retroperitoneal Lymph Node Dissection as a Safe Procedure for Postchemotherapy Residual Mass in Testicular Cancer. AB - BACKGROUND: To evaluate the feasibility, clinical and perioperative outcomes of laparoscopic retroperitoneal lymph node dissection (L-RPLND) in the management of patients with germ cell tumors (GCT) and residual post-chemotherapy mass. METHODS: We report our experience of 25 patients treated with L-RPLND between 2008 and 2015. All 25 patients were diagnosed with GCT by primary pathological evaluation of the specimens after orchiectomy. All patients received cisplatin based chemotherapy. The technique consisted of L-RPLND excision of the residual mass using unilateral template dissection. We assessed perioperative data and histological findings. RESULTS: Surgery was successfully completed in 24 (96%) patients, 1 patient required an open surgery due to intense adhesions of the mass to the inferior vena cava. Mean operation time was 213 minutes. Mean blood loss was 260 mL. Postoperative complications were upper limb osteomuscular pain in 2 patients and chylous ascites in 1 patient. Mean postoperative hospital stay was 2 days. The median residual mass diameter was 3.3 cm (range 1.1-6.6 cm). Histopathological findings were necrotic tissue in 9 patients, teratoma in 9 patients, viable tumor in 6 patients, and Castleman disease in 1 patient. The median follow-up was 30 months. Normal antegrade ejaculation was preserved in all patients. CONCLUSIONS: Laparoscopic postchemotherapy RPLND is a feasible, safe, and highly oncologically efficient procedure, which has the benefits of minimally invasive surgery. PMID- 29215950 TI - Preparation and characterization of alkaline phosphatase, horseradish peroxidase, and glucose oxidase conjugates with carboxylated carbon nano-onions. AB - Carbon nanomaterials have emerged as suitable supports for enzyme immobilization and stabilization due to their inherently large surface area, high electrical conductivity, chemical stability, and mechanical strength. In this paper, carbon nano-onions (CNOs) were used as supports to immobilize alkaline phosphatase, horseradish peroxidase, and glucose oxidase. CNOs were first functionalized by oxidation to generate carboxylic groups on the surface followed by the covalent linking of using a soluble carbodiimide as coupling agent. The CNO-enzyme conjugates were characterized by transmission electron microscopy and Raman spectroscopy. Thermogravimetric analysis revealed a specific enzyme load of ~0.5 mg of protein per milligram of CNO. The immobilized enzymes showed enhanced storage stability without altering the optimum pH and temperatures. These properties make the prepared nanobiocatalyst of potential interest in biosensing and other biotechnological applications. PMID- 29215951 TI - Regulation of Aqueous Humor Dynamics by Hydrogen Sulfide: Potential Role in Glaucoma Pharmacotherapy. AB - Hydrogen sulfide (H2S) is a gaseous transmitter with well-known biological actions in a wide variety of tissues and organs. The potential involvement of this gas in physiological and pathological processes in the eye has led to several in vitro, ex vivo, and in vivo studies to understand its pharmacological role in some mammalian species. Evidence from literature demonstrates that 4 enzymes responsible for the biosynthesis of this gas (cystathionine beta synthase, CBS; cystathionine gamma-lyase, CSE; 3-mercaptopyruvate sulfurtransferase, 3MST; and d-amino acid oxidase) are present in the cornea, iris, ciliary body, lens, and retina. Studies of the pharmacological actions of H2S (using several compounds as fast- and slow-releasing gas donors) on anterior uveal tissues reveal an effect on sympathetic neurotransmission and the ability of the gas to relax precontracted iris and ocular vascular smooth muscles, responses that were blocked by inhibitors of CSE, CBS, and KATP channels. In the retina, there is evidence that H2S can inhibit excitatory amino acid neurotransmission and can also protect this tissue from a wide variety of insults. Furthermore, exogenous application of H2S-releasing compounds was reported to increase aqueous humor outflow facility in an ex vivo model of the porcine ocular anterior segment and lowered intraocular pressure (IOP) in both normotensive and glaucomatous rabbits. Taken together, the finding that H2S releasing compounds can lower IOP and can serve a neuroprotective role in the retina suggests that H2S prodrugs could be used as tools or therapeutic agents in diseases such as glaucoma. PMID- 29215952 TI - Easy and fast extraction methods to determine organochlorine pesticides in sewage sludge, soil, and water samples based at low temperature. AB - Organochlorine pesticides present in sewage sludge can contaminate soil and water when they are used as either fertilizer or agricultural soil conditioner. In this study, the technique solid-liquid extraction with low temperature purification was optimized and validated for determination of ten organochlorine pesticides in sewage sludge and soil samples. Liquid-liquid extraction with low temperature purification was also validated for the same compounds in water. Analyses were performed by gas chromatography-mass spectrometry operating in the selective ion monitoring mode. After optimization, the methods showed recoveries between 70% and 115% with relative standard deviation lower than 13% for all target analytes in the three matrices. The linearity was demonstrated in the range of 20 to 70 ug L-1, 0.5 to 60 ug L-1, and 3 to 13 ug L-1, for sludge, soil, and acetonitrile, respectively. The limit of quantification ranged between 2 and 40 ug kg-1, 1 and 6 ug kg-1, and 0.5 ug L-1 for sludge, soil, and water, respectively. The methods were used in the study of pesticide lixiviation carried out in a poly vinyl chlorine column filled with soil, which had its surface layer mixed with sludge. The results showed that pesticides are not leached into soil, part of them is adsorbed by the sewage sludge (4-40%), and most pesticides are lost by volatilization. PMID- 29215953 TI - Further insights into the role of NIN-LIKE PROTEIN 7 (NLP7) in root cap cell release. AB - The root cap protects the root from environmental stress and senses gravity. Cells of the last layer of the root cap are shed in a developmentally programmed process. We previously showed that the transcription factor NIN-LIKE PROTEIN7 (NLP7) regulates root cap cell release likely through regulation of CELLULASE5 (CEL5). Here we provide a supplement to that work. We hypothesized that the nlp7 mutant has defects in additional root cap functions. We find that neither gravity sensing nor expression of a root cap cell identity marker is altered in nlp7 but that expression of another cellulase, CEL3, is upregulated. We conclude that NLP7 control of root cap cell release is largely independent of gravity sensing and root cap cell identity. PMID- 29215954 TI - Evolution of Various Components of Pain After Laparoscopic Cholecystectomy: Importance of Its Prognostication for Effective Pain Control Using a Local Anesthetic and for Making a Valid Practical "Discharge Criteria" Model Predicting Early Discharge of Patients. AB - OBJECTIVES: Pain continues to be the most important limiting factor affecting the early discharge of patients after laparoscopic cholecystectomy (LC). Our aim was to conduct a randomized case controlled study to predict the evolution of various components of postoperative pain by using ropivacaine 0.2% at intraperitoneal and intraincisional locations; and to further use this information to make a model predicting early discharge of patients. METHODS: Two hundred forty-four patients underwent elective four-port LC. Patients were triple blindly randomized. All patients received ~23 mL of solution, of which 20 mL was given intraperitoneally and ~3 mL was given intraincisionally. Solution was either normal saline or drug (0.2% ropivacaine) depending on the group (controls [n = 77], intraperitoneal group [n = 80], and intraincisional group [n = 87]). Five different pain scales were used for assessment of overall pain. Only those patients with a Visual Analog Scale (VAS) <=3, Numeric Rating Scale (NRS) <=3, Visual Descriptor Scale (VDS) <= "Slight Pain," Faces Pain Scale-Revised (FPS-R) <=2, and Activity Tolerance Scale (ATS) <= "Can Be Ignored" along with absence of use of rescue analgesia and shoulder pain were considered for "Discharge Criteria." RESULTS: Incisional component of pain was found to be the main component of pain that predominated in the immediate postoperative period. However, it declined rapidly over 12 hours and was then dominated by the visceral component. Shoulder component peaked around the eighth postoperative hour. Seven percent of patients in controls could be discharged at the 12th postoperative hour and 18% at the 24th hour. In the intraperitoneal group, 18% and 61% patients could be discharged at the 12th and 24th hour, respectively, as compared with 57% and 78% in the intraincisional group using the "Discharge Criteria." "Discharge Criteria" was 100% effective in predicting patients' acceptance to go home. CONCLUSION: The effect of local anesthetic at intraincisional and intraperitoneal sites is additive with drug catering to different components of pain. We recommend using the "Abbreviated Discharge Criteria" routinely in practice to check for patients' eligibility to be discharged. PMID- 29215955 TI - Results of a Randomized, Double-Blind, Placebo-Controlled, Phase III Trial of Trifluridine/Tipiracil (TAS-102) Monotherapy in Asian Patients With Previously Treated Metastatic Colorectal Cancer: The TERRA Study. AB - Purpose Trifluridine/tipiracil (TAS-102) was effective in patients with metastatic colorectal cancer (mCRC) in a phase II Japanese trial. This regional trial evaluated the efficacy and safety of trifluridine/tipiracil in Asian patients with mCRC with or without exposure to biologic therapy. Patients and Methods This randomized, double-blind, placebo-controlled, phase III trial was conducted at 30 sites in China, the Republic of Korea, and Thailand. Patients >= 18 years old with histologically or cytologically confirmed adenocarcinoma of the colon or rectum and known KRAS status who were refractory or intolerant to two or more prior chemotherapy regimens were enrolled. Eligible patients were randomly assigned (2:1 ratio; minimization method) to receive trifluridine/tipiracil (twice per day orally; 5 days on and 2 days off for 2 weeks, followed by 14 days off per cycle) or placebo. The primary end point was overall survival (intent-to treat population). Results Between October 16, 2013, and June 15, 2015, 406 patients were randomly assigned to receive trifluridine/tipiracil (n = 271) or placebo (n = 135). Risk of death was significantly lower in the trifluridine/tipiracil arm than in the placebo arm (hazard ratio for death, 0.79; 95% CI, 0.62 to 0.99; log-rank P = .035). Median overall survival was significantly longer in the trifluridine/tipiracil than in the placebo arm (7.8 months [95% CI, 7.1 to 8.8 months] v 7.1 months [95% CI, 5.9 to 8.2 months], respectively), for a median survival follow-up time of 13.8 months (95% CI, 13.1 to 15.3 months) compared with 13.4 months (95% CI, 11.6 to 17.3 months), respectively. The incidence of serious adverse events was similar between the arms (trifluridine/tipiracil, n = 63 [23.2%]; placebo, n = 32 [23.7%]). No treatment-related deaths were reported. Conclusion Trifluridine/tipiracil has a statistically significant survival benefit compared with placebo in Asian patients with mCRC refractory or intolerant to standard chemotherapies, regardless of exposure to biologic therapy. The safety profile is similar to previous reports. PMID- 29215956 TI - Effect of thrombopoietin receptor agonists on markers of coagulation and P selectin in patients with immune thrombocytopenia. AB - Thrombopoietin-receptor-agonists (TPO-RA) are effective treatments of immune thrombocytopenia (ITP). Previous long-term TPO-RA clinical trials have shown that thrombotic events occurred in 6% of TPO-RA-treated ITP patients. To explore the increased risk of thrombosis, the effects of TPO-RA on markers of coagulation and P-selectin were studied. The study comprised two ITP cohorts and controls. Cohort 1 included 26 patients with sequential samples acquired before and during treatment with TPO-RA. Cohort 2 included a single sample in 18 patients on TPO-RA for more than one year. Thrombin generation (endogenous thrombin potential (ETP)) prothrombin fragments 1 + 2 (F1+2), D-dimer, and plasminogen-activator-inhibitor 1 (PAI-1) were measured as well as soluble P-selectin (sP-selectin). Sequential expression of encoding genes for P-selectin (SELP) and PAI-1 (SERPINE1) was determined in four patients in cohort 1. Significantly higher levels of F1+2, D dimer, and PAI-1 were found in ITP patients before TPO-RA treatment and in patients on long-term TPO-RA treatment than in controls. Pre-treatment levels of sP-selectin did not differ from controls. Analysis of longitudinal trends showed an increase in platelet count, sP-selectin, and PAI-1 after initiation of TPO-RA, followed by gradual decline. Platelet count and sP-selectin remained at higher levels throughout the study, whereas PAI-1 did not. Levels of other studied parameters did not show significant changes after initiation of treatment. Expression of SELP was up-regulated after initiation of TPO-RA, while the expression of SERPINE1 showed no significant changes. In conclusion, elevated pre treatment levels of F1+2, D-dimer and PAI-1 are compatible with ITP being an intrinsically pro-thrombotic condition. After TPO-RA treatment, there were no significant changes in markers of coagulation activation or fibrinolysis, except for an initial increase in PAI-1 and a significant increase in sP-selectin both of which may contribute to increased thrombotic risk associated with TPO-RA treatment in ITP. PMID- 29215957 TI - Peroral Endoscopic Myotomy with EndoFLIP and Double-Endoscope: Novel Techniques for Achalasia in Pediatric Population. AB - BACKGROUND: Experience of peroral endoscopic myotomy (POEM) for treatment of achalasia in pediatric population is limited with varying techniques in different centers. The accurate extent of submucosal tunneling into the gastric cardia and the adequacy of myotomy are the important determining factors to success of POEM. A majority of studies in pediatric population have described using submucosal dye injection for assessing the adequacy of myotomy, however, this is a rather crude and inaccurate method. We herein describe the first case of pediatric achalasia managed with POEM incorporated with novel combined techniques using EndoFLIP(r) (Endoluminal Functional Lumen Imaging Probe) and double endoscope. METHODS: Esophagogastric junction (EGJ) was identified with a gastroscope. Before POEM, EndoFLIP showed EGJ distensibility index of 1.7 mm2/mmHg. Submucosal tunnel was created from the mucosal entry site at midesophagus down and ~3 cm beyond the EGJ. Anterior myotomy cutting the circular muscle layer while preserving the longitudinal muscle was performed for 8 cm. Double-endoscope technique was used to confirm the adequacy of myotomy by inserting a smaller endoscope through nostril into stomach and observing the transillumination of the first endoscope at the end of submucosal tunnel. After POEM, repeat EndoFLIP measurements revealed increased distensibility index to 6.0 mm2/mmHg. Endoscopic examination at the end of the procedure showed widely patent EGJ. RESULTS: Eckardt symptoms score improved from 9 to 0. At 7 month after POEM, esophagoscopy showed widely open EGJ with no esophagitis, and high-resolution esophageal manometry revealed normalized lower esophageal sphincter pressure and resting tone. CONCLUSIONS: We introduced the intraoperative use of EndoFLIP system that allows real-time assessment of EGJ distensibility and immediate treatment effect evaluation. Incorporation of double-endoscope POEM was also first described in our pediatric patient for ensuring complete gastric myotomy. From our experiences, POEM for achalasia in pediatric population appears to have encouraging results similar to adult patients. PMID- 29215958 TI - Postoperative Complications of Pars Plana Vitrectomy for Diabetic Retinal Disease. AB - Despite recent advances in the medical management of diabetic retinal disease, there remain established indications for vitreoretinal surgery in the treatment of severe proliferative diabetic retinopathy. These include non-clearing vitreous hemorrhage and tractional retinal detachment. Advances in surgical instrumentation, technique, and experience have led to improved visual outcomes, as well as a corresponding decrease in the incidence of postoperative complications. However, the presence of systemic and ocular factors in diabetic patients increases the risk of adverse events compared to non-diabetic individuals. This review will focus on the most important postoperative complications following pars plana vitrectomy, with specific considerations for the diabetic patient. PMID- 29215959 TI - Performance intensification of a stirred bioreactor for fermentative biohydrogen production. AB - In this study, the biohydrogen (bioH2) production of a microbial consortium was optimized by adjusting the type and configuration of two impellers, the mixing regimen and the mass transfer process (KLa coefficients). A continuous stirred tank reactor (CSTR) system, with a nonstandard geometry, was characterized. Two different mixing configurations with either predominant axial (PB4 impeller) or radial pumping (Rushton impeller) were assessed and four different impeller configurations to produce bioH2. The best configuration for an adequate mixing time was determined by an ANOVA analysis. A response surface methodology was also used to fully elucidate the optimal configuration. When the PB4 impellers were placed in best configuration, c/Dt = 0.5, s/Di = 1, the maximum bioH2 productivity obtained was 440 mL L-1 hr-1, with a bioH2 molar yield of 1.8. The second best configuration obtained with the PB4 impellers presented a bioH2 productivity of 407.94 mL L-1 hr-1. The configurations based on Rushton impellers showed a lower bioH2 productivity and bioH2 molar yield of 177.065 mL L-1 hr-1 and 0.71, respectively. The experiments with axial impellers (PB4) showed the lowest KLa coefficient and the highest bioH2 production, suggesting that mixing is more important than KLa for the enhanced production of bioH2. PMID- 29215961 TI - Analysis of air quality in Dire Dawa, Ethiopia. AB - : Ambient air quality was monitored and analyzed to develop air quality index and its implications for livability and climate change in Dire Dawa, Ethiopia. Using survey research design, 16 georeferenced locations, representing different land uses, were randomly selected and assessed for sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon dioxide (CO2), carbon monoxide (CO),volatile organic compounds (VOCs), and meteorological parameters (temperature and relative humidity). The study found mean concentrations across all land uses for SO2 of 0.37 +/- 0.08 ppm, NO2 of 0.13 +/- 0.17 ppm, CO2 of 465.65 +/- 28.63 ppm, CO of 3.35 +/- 2.04 ppm, and VOCs of 1850.67 +/- 402 ppm. An air quality index indicated that ambient air quality for SO2 was very poor, NO2 ranged from moderate to very poor, whereas CO rating was moderate. Significant positive correlations existed between temperature and NO2, CO2, and CO and between humidity and VOCs. Significant relationships were also recorded between CO2 and NO2 and between CO and CO2. Poor urban planning, inadequate pollution control measure, and weak capacity to monitor air quality have implications for energy usage, air quality, and local meteorological parameters, with subsequent feedback into global climate change. Implementation of programs to monitor and control emissions in order to reduce air pollution will provide health, economic, and environmental benefits to the city. IMPLICATIONS: The need to develop and implement emission control programs to reduce air pollution in Dire Dawa City is urgent. This will provide enormous economic, health, and environmental benefits. It is expected that economic effects of air quality improvement will offset the expenditures for pollution control. Also, strategies that focus on air quality and climate change present a unique opportunity to engage different stakeholders in providing inclusive and sustainable development agenda for Dire Dawa. PMID- 29215960 TI - Graspable Objects Grab Attention More Than Images Do. AB - The opportunity an object presents for action is known as an affordance. A basic assumption in previous research was that images of objects, which do not afford physical action, elicit effects on attention and behavior comparable with those of real-world tangible objects. Using a flanker task, we compared interference effects between real graspable objects and matched 2-D or 3-D images of the items. Compared with both 2-D and 3-D images, real objects yielded slower response times overall and elicited greater flanker interference effects. When the real objects were positioned out of reach or behind a transparent barrier, the pattern of response times and interference effects was comparable with that for 2-D images. Graspable objects exert a more powerful influence on attention and manual responses than images because of the affordances they offer for manual interaction. These results raise questions about whether images are suitable proxies for real objects in psychological research. PMID- 29215962 TI - Personal exposure to fine particulate matter concentrations in central business district of a tropical coastal city. AB - : In the present study, personal exposure to fine particulate matter (particulate matter with an aerodynamic diameter <2.5 MUm [PM2.5]) concentrations in an urban hotspot (central business district [CBD]) was investigated. The PM monitoring campaigns were carried out at an urban hotspot from June to October 2015. The personal exposure monitoring was performed during three different time periods, i.e., morning (8 a.m.-9 a.m.), afternoon (12.30 p.m.-1.30 p.m.), and evening (4 p.m.-5 p.m.), to cover both the peak and lean hour activities of the CBD. The median PM2.5 concentrations were 38.1, 34.9, and 40.4 ug/m3 during the morning, afternoon, and evening hours on the weekends. During weekdays, the median PM2.5 concentrations were 59.5, 29.6, and 36.6 ug/m3 in the morning, afternoon, and evening hours, respectively. It was observed that the combined effect of traffic emissions, complex land use, and micrometeorological conditions created localized air pollution hotspots. Furthermore, the total PM2.5 lung dose levels for an exposure duration of 1 hr were 8.7 +/- 5.7 and 12.3 +/- 5.2 ug at CBD during weekends and weekdays, respectively, as compared with 2.5 +/- 0.8 ug at the urban background (UB). This study emphasizes the need for mobile measurement for short term personal exposure assessment complementing the fixed air quality monitoring. IMPLICATIONS: Personal exposure monitoring at an urban hotspot indicated space and time variation in PM concentrations that is not captured by the fixed air quality monitoring networks. The short-term exposure to higher concentrations can have a significant impact on health that need to be considered for the health risk-based air quality management. The study emphasizes the need of hotspot-based monitoring complementing the already existing fixed air quality monitoring in urban areas. The personal exposure patterns at hotspots can provide additional insight into sustainable urban planning. PMID- 29215963 TI - Utility of a unilateral accelerometer for monitoring upper extremity use in subacute stroke patients after discharge from hospital. AB - This study was to investigate the utility of a unilateral accelerometer, which is commonly used for monitoring upper extremity performance, in subacute stroke patients by comparing its use with other upper extremity assessments. Twenty-four participants were recruited and required to wear an accelerometer on the affected wrist for 3 hours daily for the first 4 weeks after discharge from hospital. Assessments included Fugl-Meyer Assessment-Upper Extremity (FMA-UE), Action Research Arm Test (ARAT), Box and Block Test (BBT), and self-reporting Motor Activity Log (MAL). Assessments were made at 0, 4, 8, and 12 weeks after hospital discharge. How long the device was worn, movement amount, and movement percentage were extracted from the accelerometer. Throughout the 12-week observation, significant improvements in the participants were shown by the FMA-UE, ARAT, and BBT (p < 0.001, p = 0.026, and p < 0.001, respectively), but no significant change could be found using MAL or the accelerometer parameters across time (p = 0.068 to 0.999). There was moderate-to-good correlation among the assessments; however, no significant correlation was obtained between any of the assessments and the accelerometer data. We suggest that the unilateral accelerometer might not be useful to reflect actual arm functions in daily activities. PMID- 29215964 TI - Real-world fuel use and gaseous emission rates for flex fuel vehicles operated on E85 versus gasoline. AB - : Flex fuel vehicles (FFVs) typically operate on gasoline or E85, an 85%/15% volume blend of ethanol and gasoline. Differences in FFV fuel use and tailpipe emission rates are quantified for E85 versus gasoline based on real-world measurements of five FFVs with a portable emissions measurement system (PEMS), supplemented chassis dynamometer data, and estimates from the Motor Vehicle Emission Simulator (MOVES) model. Because of inter-vehicle variability, an individual FFV may have higher nitrogen oxide (NOx) or carbon monoxide (CO) emission rates on E85 versus gasoline, even though average rates are lower. Based on PEMS data, the comparison of tailpipe emission rates for E85 versus gasoline is sensitive to vehicle-specific power (VSP). For example, although CO emission rates are lower for all VSP modes, they are proportionally lowest at higher VSP. Driving cycles with high power demand are more advantageous with respect to CO emissions, but less advantageous for NOx. Chassis dynamometer data are available for 121 FFVs at 50,000 useful life miles. Based on the dynamometer data, the average difference in tailpipe emissions for E85 versus gasoline is -23% for NOx, -30% for CO, and no significant difference for hydrocarbons (HC). To account for both the fuel cycle and tailpipe emissions from the vehicle, a life cycle inventory was conducted. Although tailpipe NOx emissions are lower for E85 versus gasoline for FFVs and thus benefit areas where the vehicles operate, the life cycle NOx emissions are higher because the NOx emissions generated during fuel production are higher. The fuel production emissions take place typically in rural areas. Although there are not significant differences in the total HC emissions, there are differences in HC speciation. The net effect of lower tailpipe NOx emissions and differences in HC speciation on ozone formation should be further evaluated. IMPLICATIONS: Reported comparisons of flex fuel vehicle (FFV) tailpipe emission rates for E85 versus gasoline have been inconsistent. To date, this is the most comprehensive evaluation of available and new data. The large range of inter-vehicle variability illustrates why prior studies based on small sample sizes led to apparently contradictory findings. E85 leads to significant reductions in tailpipe nitrogen oxide (NOx) and carbon monoxide (CO) emission rates compared with gasoline, indicating a potential benefit for ozone air quality management in NOx-limited areas. The comparison of FFV tailpipe emissions between E85 and gasoline is sensitive to power demand and driving cycles. PMID- 29215965 TI - Nitrogen oxide emission calculation for post-Panamax container ships by using engine operation power probability as weighting factor: A slow-steaming case. AB - : In this study, the nitrogen oxide (NOx) emission factors and total NOx emissions of two groups of post-Panamax container ships operating on a long-term slow-steaming basis along Euro-Asian routes were calculated using both the probability density function of engine power levels and the NOx emission function. The main engines of the five sister ships in Group I satisfied the Tier I emission limit stipulated in MARPOL (International Convention for the Prevention of Pollution from Ships) Annex VI, and those in Group II satisfied the Tier II limit. The calculated NOx emission factors of the Group I and Group II ships were 14.73 and 17.85 g/kWhr, respectively. The total NOx emissions of the Group II ships were determined to be 4.4% greater than those of the Group I ships. When the Tier II certification value was used to calculate the average total NOx emissions of Group II engines, the result was lower than the actual value by 21.9%. Although fuel consumption and carbon dioxide (CO2) emissions were increased by 1.76% because of slow steaming, the NOx emissions were markedly reduced by 17.2%. The proposed method is more effective and accurate than the NOx Technical Code 2008. Furthermore, it can be more appropriately applied to determine the NOx emissions of international shipping inventory. IMPLICATIONS: The usage of operating power probability density function of diesel engines as the weighting factor and the NOx emission function obtained from test bed for calculating NOx emissions is more accurate and practical. The proposed method is suitable for all types and purposes of diesel engines, irrespective of their operating power level. The method can be used to effectively determine the NOx emissions of international shipping and inventory applications and should be considered in determining the carbon tax to be imposed in the future. PMID- 29215966 TI - Effect of potassium hydroxide activation in the desulfurization process of activated carbon prepared by sewage sludge and corn straw. AB - : Series sludge straw-based activated carbons were prepared by sewage sludge and corn straw with potassium hydroxide (KOH) activation, and the desulfurization performance of activated carbons was studied. To obtain the best desulfurization performance, the optimum ratio between the raw materials and the activator was investigated. The results showed that when the mass ratio of sewage sludge, corn straw, and KOH was 3:7:2, the activated carbon obtained the best breakthrough and saturation sulfur sorption capacities, which were 12.38 and 5.74 times, respectively, those of samples prepared by the nonactivated raw materials. The appropriate KOH could improve the microporosity and alkaline groups, meanwhile reducing the lactone groups, which were all beneficial to desulfurization performance. The chemical adsorption process of desulfurization can be simplified to four main steps, and the main desulfurization products are elemental sulfur and sulfate. IMPLICATIONS: Sewage sludge (SS) and corn straw (CS) both have great production and wide distribution and are readily available in China. Much attention has been paid on how to deal with them effectively. Based on the environment protection idea of waste treatment with waste and resource recycling, low-cost adsorbents were prepared by these processes. The proposed method can be expanded to the municipal solid waste recycling programs and renewable energy plan. Thus, proceeding with the study of preparing activated carbon by SS and straw as a carbon-based dry desulfurization agent could obtain huge social, economic, and environmental benefits. PMID- 29215967 TI - Ambient fine particulate matter in China: Its negative impacts and possible countermeasures. AB - : In recent decades, China has experienced rapid economic development accompanied by increasing concentrations of ambient PM2.5, particulate matter of less than 2.5 MUm in diameter. PM2.5 is now believed to be a carcinogen, causing higher lung cancer risks and generating losses to the economy and society. This meta analysis evaluates the losses generated by ambient PM2.5 in Suzhou from 2014 to 2016 and predicts losses at different concentrations. Estimations of total losses in Beijing, Shanghai, Hangzhou, Guangzhou, Dalian, and Xiamen are also presented, with a total national loss in 2015. The authors then demonstrate that lowering ambient PM2.5 concentrations would be a realistic way for China to reduce the evaluated social losses in the short term. Possible legal measures are listed for lowering ambient PM2.5 concentrations. IMPLICATIONS: The present findings quantify the economic effects of ambient PM2.5 due to the increased incidence rate and mortality rate of lung cancer. Lowering ambient PM2.5 concentrations would be the most realistic way for China to reduce tghe evaluated social losses in the short term. Possible legal measures for lowering ambient PM2.5 concentrations to reduce the total losses are identified. PMID- 29215968 TI - Food flows in the United Kingdom: The potential of surplus food redistribution to reduce waste. AB - : The increasing amount of food waste generated as a direct consequence of its excessive production, mismanagement, and wasteful behaviors represents a real challenge in promoting resource efficiency. In the United Kingdom (UK), the lack of robust mass flow data hinders the ability both to understand and address food waste challenges and to devise long-term sustainable prevention strategies. In recognition of these challenges, this paper seeks to (i) provide insights into the UK's annual estimates of food mass flows, including imports, exports, distribution, consumption, surplus food production, and final disposal; and (ii) scrutinize the uptake and redistribution of surplus food as a potential food waste prevention strategy. Evidence collected from several enterprises and community-led initiatives in the UK, and London specifically, supports that there is an increasing potential of making a shift towards food redistribution and reuse. Further analysis has shown that the outreach of food redistribution initiatives in the UK is currently limited, possibly because redistribution efforts remain largely fragmented and independent from each other. It is concluded that a national commitment could be instrumental in encouraging the roll-out of this practice, and governmental support through fiscal incentives could lead to the development of a larger and coherent surplus food redistribution system, ultimately enabling food waste prevention and recovery of food's multidimensional value. IMPLICATIONS: This paper deals with the topical issue of the increasing amount of food waste generated as a direct consequence of excessive production, mismanagement, and wasteful behavior, representing a real challenge in achieving sustainability and resource efficiency. Currently, only a small fraction of food is redistributed back into the system. Yet, a considerable fraction of food waste generated is edible; thus, better planning, storage, and coordination amongst the different stakeholders in the food supply chain is required in order to prevent its wastage and promote its reuse in accordance with the waste hierarchy. PMID- 29215969 TI - Protection from wintertime rainfall reduces nutrient losses and greenhouse gas emissions during the decomposition of poultry and horse manure-based amendments. AB - : Manure-based soil amendments (herein "amendments") are important fertility sources, but differences among amendment types and management can significantly affect their nutrient value and environmental impacts. A 6-month in situ decomposition experiment was conducted to determine how protection from wintertime rainfall affected nutrient losses and greenhouse gas (GHG) emissions in poultry (broiler chicken and turkey) and horse amendments. Changes in total nutrient concentration were measured every 3 months, changes in ammonium (NH4+) and nitrate (NO3-) concentrations every month, and GHG emissions of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) every 7-14 days. Poultry amendments maintained higher nutrient concentrations (except for K), higher emissions of CO2 and N2O, and lower CH4 emissions than horse amendments. Exposing amendments to rainfall increased total N and NH4+ losses in poultry amendments, P losses in turkey and horse amendments, and K losses and cumulative N2O emissions for all amendments. However, it did not affect CO2 or CH4 emissions. Overall, rainfall exposure would decrease total N inputs by 37% (horse), 59% (broiler chicken), or 74% (turkey) for a given application rate (wet weight basis) after 6 months of decomposition, with similar losses for NH4+ (69-96%), P (41-73%), and K (91-97%). This study confirms the benefits of facilities protected from rainfall to reduce nutrient losses and GHG emissions during amendment decomposition. IMPLICATIONS: The impact of rainfall protection on nutrient losses and GHG emissions was monitored during the decomposition of broiler chicken, turkey, and horse manure-based soil amendments. Amendments exposed to rainfall had large ammonium and potassium losses, resulting in a 37-74% decrease in N inputs when compared with amendments protected from rainfall. Nitrous oxide emissions were also higher with rainfall exposure, although it had no effect on carbon dioxide and methane emissions. Overall, this work highlights the benefits of rainfall protection during amendment decomposition to reduce nutrient losses and GHG emissions. PMID- 29215970 TI - Energy expenditure in professional flat jockeys using doubly labelled water during the racing season: Implications for body weight management. AB - To formulate individualized dietary strategies for jockeys, it is vital that energy requirements are quantified. We measured total energy expenditure (TEE) over two separate weeks in spring and summer using doubly labelled water in a group of male flat jockeys (n = 8, 36.9 +/- 5.7 years, 164 +/- 8 cm, 54.6 +/- 2.5 kg). Total energy intake (TEI) was self-recorded, as were all riding and structured exercise activity. Mean daily TEE was 10.83 (+/-2.3) and 10.66 (+/ 1.76) MJ, (p = .61) respectively. Self-reported TEI were 6.03 (+/-1.7) and 5.37 (+/-1.1) MJ (p = .40), respectively, and were significantly lower than TEE (p = .01). Mean race rides were 17 (+/-6) and 13 (+/-3; p = 0.37) and horses ridden at morning exercise were 8 (+/-6) and 7 (+/-4; p = .77) respectively. Additional structured exercise was 76.25 (+/-95.1) and 52.5 (+/-80.9) min per week (p = .35), respectively. At the individual level, TEE was related to body mass and the level of non-racing physical activity, but not riding. Physical activity levels for TEE were 1.76 (+/-0.37) and 1.69 (+/-0.27; p = .59) and appear modest when compared with other athletes, and similar to age-matched non-athletes, suggesting that conventional sport-specific nutritional recommendations do not appear applicable. The large discrepancy between TEE and TEI suggests significant under reporting of dietary intake. These data now provide an appropriate framework from which to formulate jockey nutritional guidelines to promote the ability to achieve the daily weight target and improve athlete welfare. PMID- 29215971 TI - A Mediterranean-style dietary intervention supplemented with fish oil improves diet quality and mental health in people with depression: A randomized controlled trial (HELFIMED). AB - OBJECTIVES: We investigated whether a Mediterranean-style diet (MedDiet) supplemented with fish oil can improve mental health in adults suffering depression. METHODS: Adults with self-reported depression were randomized to receive fortnightly food hampers and MedDiet cooking workshops for 3 months and fish oil supplements for 6 months, or attend social groups fortnightly for 3 months. Assessments at baseline, 3 and 6 months included mental health, quality of life (QoL) and dietary questionnaires, and blood samples for erythrocyte fatty acid analysis. RESULTS: n = 152 eligible adults aged 18-65 were recruited (n = 95 completed 3-month and n = 85 completed 6-month assessments). At 3 months, the MedDiet group had a higher MedDiet score (t = 3.95, P < 0.01), consumed more vegetables (t = 3.95, P < 0.01), fruit (t = 2.10, P = 0.04), nuts (t = 2.29, P = 0.02), legumes (t = 2.41, P = 0.02) wholegrains (t = 2.63, P = 0.01), and vegetable diversity (t = 3.27, P < 0.01); less unhealthy snacks (t = -2.10, P = 0.04) and red meat/chicken (t = -2.13, P = 0.04). The MedDiet group had greater reduction in depression (t = -2.24, P = 0.03) and improved mental health QoL scores (t = 2.10, P = 0.04) at 3 months. Improved diet and mental health were sustained at 6 months. Reduced depression was correlated with an increased MedDiet score (r = -0.298, P = 0.01), nuts (r = -0.264, P = 0.01), and vegetable diversity (r = -0.303, P = 0.01). Other mental health improvements had similar correlations, most notably for increased vegetable diversity and legumes. There were some correlations between increased omega-3, decreased omega-6 and improved mental health. DISCUSSION: This is one of the first randomized controlled trials to show that healthy dietary changes are achievable and, supplemented with fish oil, can improve mental health in people with depression. PMID- 29215972 TI - Accuracy of Smartphone-Based Pulse Oximetry Compared with Hospital-Grade Pulse Oximetry in Healthy Children. AB - BACKGROUND: Pulse oximetry, a ubiquitous, noninvasive method to monitor oxygen saturation (SpO2), requires larger, nonportable equipment. Smartphone pulse oximeter applications (apps) provide a portable, cost-effective option, but are untested in children. We hypothesize that smartphone pulse oximetry will not be inferior to standard pulse oximetry measured in healthy children. MATERIALS AND METHODS: Two main types of pulse oximetry apps, a camera-based app (CBA) that uses a phone camera flash and lens and a probe-based app (PBA) that uses an external plug-in probe, were compared with standard pulse oximetry measured in children ages 2-13 years without a respiratory complaint and a triage SpO2 >=97% seen in a pediatric Emergency Department. Two investigators obtained heart rate and SpO2 using each app. Inter-rater reliability was tested using interclass correlations (ICCs), and Bland-Altman method was used to compare app values to triage measurements. RESULTS: Eighty-one patients were enrolled. ICC for SpO2 for PBA and CBA were 0.73 and -0.24, respectively. The 95% limits of agreement between the PBA SpO2 and triage SpO2 were -2.8 to +2.5 compared with -4.1 to +3.5 for the CBA SpO2 and triage SpO2. Mean differences between triage SpO2 and the PBA SpO2 (-0.17%) and triage SpO2 and CBA SpO2 (-0.33%) were not statistically significant. DISCUSSION AND CONCLUSIONS: Smartphone-based pulse oximetry is not inferior to standard pulse oximetry in pediatric patients without hypoxia. Reliability was superior for PBA compared with CBA, with more precise agreement for the PBA compared with the CBA. Future studies should test pulse oximetry apps in a hypoxic pediatric population. PMID- 29215973 TI - Dissipation of antimicrobial resistance genes in compost originating from cattle manure after direct oral administration or post-excretion fortification of antimicrobials. AB - Dissipation of antimicrobial resistance genes (ARG) during composting of cattle manure generated through fortification versus administration of antimicrobials in feed was compared. Manure was collected from cattle fed diets containing (kg-1) dry matter (DM): (1) 44 mg chlortetracycline (CTC), (2) a mixture of 44 mg each of chlortetracycline and sulfamethazine (CTCSMZ), (3) 11 mg tylosin (TYL) or (4) Control, no antimicrobials. Manures were composted for 30 d with a single mixing after 16 d to generate the second heating cycle. Quantitative PCR (qPCR) was used to measure 16S rDNA and tetracycline (tet), erythromycin (erm) and sulfamethazine (sul) genes. Temperature peaks ranged from 48 to 68 degrees C across treatments in the first composting cycle, but except for the control, did not exceed 55 degrees C in the second cycle. Copy numbers of 16S rDNA decreased (P < 0.05) during composting, but were not altered by antimcrobials. Except tet(L), all ARG decreased by 0.1-1.6 log10 g DM-1 in the first cycle, but some genes (tet[B], tet[L], erm[F], erm[X]) increased (P < 0.05) by 1.0-3.1 log10 g DM-1 in the second. During composting, levels of tet(M) and tet(W) in CTC, erm(A), erm(B) and erm(X) in TYL, and sul(1) in CTCSMZ remained higher (P < 0.05) in fed than fortified treatments. The dissipation of ARG during composting of manure fortified with antimicrobials differs from manure generated by cattle that are administered antimicrobials in feed, and does not always align with the dissipation of antimicrobial residues. PMID- 29215975 TI - Early Results of States' Efforts to Support, Scale, and Sustain the National Diabetes Prevention Program. AB - The Centers for Disease Control and Prevention (CDC) developed a cooperative agreement with health departments in all 50 states and the District of Columbia to strengthen chronic disease prevention and management efforts through the implementation of evidence-based strategies, such as CDC's National Diabetes Prevention Program. The National Diabetes Prevention Program supports organizations to deliver the year-long lifestyle change program that has been proven to prevent or delay the onset of type 2 diabetes among those at high risk. This article describes activities, barriers, and facilitators reported by funded states during the first 3 years (2013-2015) of a 5-year funding cycle. PMID- 29215974 TI - Evaluating Cross-Cutting Approaches to Chronic Disease Prevention and Management: Developing a Comprehensive Evaluation. AB - We provide an overview of the comprehensive evaluation of State Public Health Actions to Prevent and Control Diabetes, Heart Disease, Obesity and Associated Risk Factors and Promote School Health (State Public Health Actions). State Public Health Actions is a program funded by the Centers for Disease Control and Prevention to support the statewide implementation of cross-cutting approaches to promote health and prevent and control chronic diseases. The evaluation addresses the relevance, quality, and impact of the program by using 4 components: a national evaluation, performance measures, state evaluations, and evaluation technical assistance to states. Challenges of the evaluation included assessing the extent to which the program contributed to changes in the outcomes of interest and the variability in the states' capacity to conduct evaluations and track performance measures. Given the investment in implementing collaborative approaches at both the state and national level, achieving meaningful findings from the evaluation is critical. PMID- 29215976 TI - Supporting Obesity Prevention in Statewide Quality Rating and Improvement Systems: A Review of State Standards. AB - INTRODUCTION: A quality rating and improvement system (QRIS) is a fundamental component of most states' early care and education infrastructures. States can use a QRIS to set standards that define high-quality care and award child care providers with a quality rating designation based on how well they meet these standards. The objective of this review was to describe the extent to which states' QRIS standards include obesity prevention content. METHODS: We collected publicly available data on states' QRIS standards. We compared states' QRIS standards with 47 high-impact obesity prevention components in Caring for Our Children: National Health and Safety Performance Standards; Guidelines for Early Care and Education Programs, 3rd Edition, and 6 additional topics based on the Centers for Disease Control and Prevention's Spectrum of Opportunities for Obesity Prevention in the Early Care and Education Setting. RESULTS: Thirty-eight states operated a state-wide QRIS in early 2015. Of those, 27 states' QRIS included obesity prevention standards; 20 states had at least one QRIS standard that aligned with the high-impact obesity prevention components, and 21 states had at least one QRIS standard that aligned with at least one of the 6 additional topics. QRIS standards related to the physical activity high-impact obesity prevention components were the most common, followed by components for screen time, nutrition, and infant feeding. CONCLUSION: The high proportion of states operating a QRIS that included obesity prevention standards, combined with the widespread use of QRISs among states, suggests that a QRIS is a viable way to embed obesity prevention standards into state early care and education systems. PMID- 29215977 TI - Early Outcomes of State Public Health Actions' School Nutrition Strategies. AB - INTRODUCTION: Since 2013, the State Public Health Actions to Prevent and Control Diabetes, Heart Disease, Obesity and Associated Risk Factors and Promote School Health (State Public Health Actions) program has been implemented to support and reinforce healthy choices and healthy behaviors among the US population. The Centers for Disease Control and Prevention's Division of Population Health's School Health Branch has been a critical component, ensuring that state health departments support schools in adopting nutrition standards and creating a supportive nutrition environment. The objective of this article was to describe early outcomes of the school nutrition strategies of State Public Health Actions. METHODS: We examined the extent of progress for short-term performance measures and for school nutrition evaluation questions, using data secured from 51 grantees through the performance measures database and state evaluation reports. RESULTS: During the first 4 years of the cooperative agreement, grantees demonstrated significant progress compared with year 2 for school nutrition performance measures. Collectively, grantees provided professional development and technical assistance to staff in 7,672 local education agencies and reached more than 29 million students. Success was also noted for several nutrition practices in schools. CONCLUSION: These early outcomes suggest that State Public Health Actions has had a positive impact on the nutrition environment of US schools. Systematically addressing areas for improvement could further expand the reach of these efforts during the remainder of the cooperative agreement. PMID- 29215978 TI - State Public Health Actions to Prevent and Control Diabetes, Heart Disease, Obesity and Associated Risk Factors, and Promote School Health. AB - The National Center for Chronic Disease Prevention and Health Promotion at the Centers for Disease Control and Prevention funds a program to boost progress in reducing the prevalence and incidence of multiple chronic diseases and their associated risk factors. This article describes the program, State Public Health Actions to Prevent and Control Diabetes, Heart Disease, Obesity and Associated Risk Factors, and Promote School Health, and the program's action model, design, and administration and management structure. This program is based on 4 domains of public health action: 1) epidemiology and surveillance, 2) environmental approaches, 3) health care system interventions, and 4) community programs linked to clinical services. The 4 domains of public health action leverage data to inform action, support healthy choices and behaviors, strengthen delivery of clinical preventive services, and help Americans better manage their health. PMID- 29215979 TI - Overweight and Obesity in Local Media: An Analysis of Media Coverage in CDC Funded Communities. AB - We conducted a content analysis of newspaper and television news coverage in Centers for Disease Control and Prevention (CDC) grantee locations from June 2011 through May 2013. After searching 2 databases for news stories related to overweight or obesity, we coded and analyzed stories for valence (how the author/reporter framed overweight and obesity control strategies), descriptors, causes and solutions, and populations mentioned. Of almost 3,000 stories analyzed, most had a neutral or positive valence, depicted overweight and obesity as epidemic, discussed individual causes and environmental solutions most frequently, and mentioned children most often. Earned media can be part of addressing overweight and obesity by emphasizing prevention and by emphasizing both environmental and individual causes and solutions. PMID- 29216003 TI - Computational miRNomics. AB - Editorial The term MicroRNA or its contraction miRNA currently appears in 21,215 titles of abstracts, published between 1997 and now, available on Pubmed (2016-21 22:12:59 EET). 4,108 of these were published in 2016 alone which signifies the importance of miRNA-related research. MicroRNAs can be detected experimentally using various techniques like directional cloning of endogenous small RNAs but they are time consuming [1]. Additionally, it is necessary for the miRNA and its mRNA target(s) to be co-expressed to infer a functional relationship which is difficult, if not impossible, to achieve [2]. Since experimental approaches are facing such difficulties, they have been complemented by computational approaches [3] thereby defining the field of computational miRNomics. Due to the rapid development in the discipline, it is important to assess the state-of-the-art. In this special issue, several areas of the field are investigated ranging from pre miRNA detection via machine learning to application of differential expression analysis in plants. First, Sacar Demirci et al. discuss an approach to virus pre miRNA detection using machine learning [4]. Such approaches are based on parameterization of miRNAs and Yousef et al. discuss how to select among such features [5]. A different computational perspective is provided by Kotipalli et al. who model the kinetics of miRNA genesis and targeting [6]. To fuel more refined future models for genesis and targeting, it is important to establish miRNA and target expression under varying conditions. Zhang et al. [7] and Kanke et al. [8] discuss two approaches to quantify miRNAs and other non-coding short RNAs. Diler et al., finally, discuss actual biological implications of differentially expressed miRNAs [9]. This special issue on computational miRNomics, thus, provides a trajectory from detection of pre-miRNAs to biological implications of differentially expressed miRNAs. Additional topics will be covered in the upcoming second volume of the special issue on computational miRNomics. PMID- 29216008 TI - Adherence to growth hormone therapy in children and its potential barriers. AB - BACKGROUND: One of the main concerns in chronic diseases such as growth hormone (GH) deficiency is adherence to the treatment, which significantly affects treatment outcomes. METHODS: This cross-sectional study was conducted among 169 GH recipient children (2-12 years) and teens (13-19 years) referred to a GH distributing teaching pharmacy. The eight-item Morisky Medication Adherence Scale (MMAS) and auto-compliance method were used for the assessment of patients' adherence to GH. The potential barriers to GH therapy adherence and medication persistence were also explored. RESULTS: Based on the MMAS method, 56.7% of the children and 57.9% of the adolescent groups were adherent to GH therapy. Conversely, according to the auto-compliance method almost all the patients were adherent in the children (95.2%) and adolescent (95.5%) groups. Forgetting to take the injection or refill the prescription, being away from home, exhaustion from long-term injection, drug shortage and inaccessibility to the pharmacy were barriers found to be significantly associated with a low adherence in the children group. While in the adolescent group, forgetting to take the injection, painful injection, concern about long-term complications and exhaustion from long term injection revealed a significant association with low adherence. Persistence with GH therapy was reported in 75.3% and 67% of children and adolescent patients, respectively. CONCLUSIONS: The current study revealed that overall adherence of the study population is low. Considering the barriers with significant association with adherence, different strategies can be incorporated to enhance adherence to GH therapy, i.e. providing early patient and parent education and support, medication reminder systems and longer duration of GH prescriptions. PMID- 29216009 TI - The first trimester aneuploidy biochemical markers in IVF/ICSI patients have no additional benefit compared to spontaneous conceptions in the prediction of pregnancy complications. AB - OBJECTIVES: The aim of this study was to determine if the levels of biochemical aneuploidy markers in in vitro fertilisation (IVF)/intracytoplasmic sperm injection (ICSI) pregnancies differ from those in spontaneous pregnancies and to verify if biochemical markers could predict pregnancy outcome in IVF/ICSI gestations. METHODS: This was a prospective observational study performed in a group of 551 patients who underwent a combined first trimester prenatal screening (ultrasound scan and serum markers). All patients were divided into two groups according to the mode of conception: IVF/ICSI pregnancies (study group) and spontaneous conceptions (control group). The concentrations of first trimester biochemical markers were presented as multiples of median (MoM) and were compared between the study and control groups. Analysed pregnancy complications included: preterm delivery (PTD), small for gestational age (SGA), gestational hypertension (GH), preeclampsia (PE) and gestational diabetes (GDM). RESULTS: The analysis was performed on 183 IVF/ICSI and 368 spontaneously conceived gestations, with complete data regarding obstetric outcome. There were no significant differences in the concentrations of biochemical markers between the analysed groups. Pregnancy-associated plasma protein-A (PAPP-A) levels were lower in hypertensive than in normotensive patients, although the difference was not significant. Twenty-three patients had GDM (12.5%), 16 had GH or PE (8.7%), SGA was diagnosed in 18 (9.8%) and 25 delivered preterm (13.6%). CONCLUSIONS: The trend for lower PAPP-A MoM was visible in all affected patients, although the results did not reach statistical significance. The first trimester biochemical markers in assisted reproduction technique (ART) pregnancies do not seem to have additional effect on predicting the risk of pregnancy complications. PMID- 29216010 TI - Calcitonin gene-related peptide (CGRP): role in peripheral nerve regeneration. AB - Calcitonin gene-related peptide (CGRP) is a neuropeptide that has an important anti-inflammatory role in the immune system. Research has shown that CGRP is an integral part in peripheral nerve regeneration by (1) suppressing tumor necrosis factor-alpha, (2) forming an initial nerve bridge by increasing fibroblast motility and extracellular matrix synthesis, (3) vascularizing the spinal cord injury site, and (4) inducing Schwann cell (SC) proliferation. In this treatise, the following hypotheses will be explored: (1) CGRP is induced by c-Jun to regulate SC dedifferentiation, (2) CGRP promotes the chemotaxic migration of SCs along the nerve bridge, and (3) CGRP induces myelinophagy by activating various signaling pathways, such as p38 mitogen-activated protein kinase and Raf/extracellular signal-regulated kinase. These processes provide a framework for understanding the role of CGRP in peripheral nerve regeneration, which may be important in developing better strategies for nerve repair and gaining further insight into demyelinating diseases. PMID- 29216011 TI - Understanding the molecular mechanism of improved proliferation and osteogenic potential of human mesenchymal stem cells grown on a polyelectrolyte complex derived from non-mulberry silk fibroin and chitosan. AB - The development of engineered bone tissue, as a promising alternative to conventional bone grafts, has so far not proven successful and still remains challenging. Thus, attempts have been made in the present study to synthesize polyelectrolyte complex (PEC) scaffolds by blending chitosan (CS) to silk fibroin (SF) derived from the non-mulberry silkworm (Antheraea pernyi) at three different pH values (5.0, 6.0, and 7.0), and to characterize them in terms of morphology, ultrastructure and mechanical properties with scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy, x-ray diffraction and tensile strength analyses. The prepared PEC scaffolds showed a mean pore size of 130 MUm, as revealed by SEM analysis, and a comparatively higher compressive strength. The findings of in vitro cytocompatibility, in vivo biocompatibility and osteogenic marker (genes/proteins) analysis suggest that the PECs blended at pH 7.0 showed greater stability and enhanced growth and an osteogenic differentiation capability of human mesenchymal stem cells (MSCs). To aid our understanding of protein-polyion binding mechanisms, we employed a molecular docking and simulation study of SF macrodomains and CS oligomer using Schrodinger 14 and GROMACS (Groningen Machine for Chemical Simulations) software. The study involved analytical techniques for macromolecular solution characterization and theoretical simulations based on molecular dynamics. The computational studies confirmed the presence of an integral RGD sequence that played a vital role in superior cell-attachment, proliferation and osteogenic differentiation of MSCs grown on the developed SF-CS PEC scaffolds. PMID- 29216012 TI - Antibacterial activity and heavy metal removal efficiency of electrospun medium molecular weight chitosan/nylon-6 nanofibre membranes. AB - Chitosan/nylon-6 nanofibres with antibacterial activity properties were prepared by electrospinning a chitosan/nylon-6 solution (containing medium molecular weight chitosan). Nanofibres with diameters in the range of 139-190 nm were obtained. The yield of low concentration chitosan/nylon-6 nanofibres was higher than that of high concentration chitosan/nylon-6 nanofibres. The affinity of chitosan toward lead was studied using a Pb(NO3)2 solution containing Pb(II) ions as the heavy metal solution. The rejection of lead ions by the chitosan/nylon membranes was investigated under various chitosan concentrations. The optimum removal values for Pb(NO2)3 and NaCl were found to be 74% and 71%, respectively. The nanofibres developed in this study exhibited an excellent antibacterial activity (95%) against Escherichia coli. PMID- 29216013 TI - Bio-inspired synthesis of a hierarchical self-assembled zinc phosphate nanostructure in the presence of cowpea mosaic virus: in vitro cell cycle, proliferation and prospects for tissue regeneration. AB - Self-assembly is an important auto-organization process used in designing structural biomaterials which have the potential capability to heal tissues after traumatic injury. Although various materials having the ability to heal after injury are available, there is still a substantial need to develop new improved materials. To address this issue, we have developed hierarchical three dimensional (3D) self-assembled zinc phosphate (Zn3(PO4)2) in the presence of cowpea mosaic virus (CPMV). Zn3(PO4)2 nanoparticles are self-assembled into nanosheets with a high degree of isotropy and then self-organized into a 3D structure that can enhance surface interactions with biological entities. The self-assembled structure is formed through the auto-organization of nanoparticles of size ~50 nm under the influence of CPMV. The cellular response of self assembled Zn3(PO4)2 and cell-particle adhesion behavior have been investigated through in vitro studies using modeled osteoblast-like MG63 cells. Self-assembled Zn3(PO4)2 resulted in proliferation of MG63 cells of up to 310% within 7 days of incubation. A 15% higher proliferation was obtained than with commercially available hydroxyapatite (HAp). Immunofluorescent analysis of MG63 cells after co culturing with self-assembled Zn3(PO4)2 confirmed the healthy cytoskeletal organization and dense proliferation of MG63 cells. Further, Zn3(PO4)2 exhibited ~28% cell-cycle progression in S phase, which is higher than obtained with commercially available HAp. Overall, these results demonstrate the multiple functions of hierarchical self-assembled Zn3(PO4)2 in the regeneration of bone tissue without defects and increasing the formation of cellular networks, and suggest its use in bone tissue engineering. PMID- 29216014 TI - Incorporating patients' preference diagnosis in implantable cardioverter defibrillator decision-making: a review of recent literature. AB - PURPOSE OF REVIEW: Strong recommendations exist for implantable cardioverter defibrillators (ICD) in appropriately selected patients. Yet, patient preferences are not often incorporated when decisions about ICD therapy are made. Literature published since 2016 was reviewed aiming to discuss current advances and ongoing challenges with ICD decision-making in adults, discuss shared decision-making (SDM) as a strategy to incorporate preference diagnoses, summarize current evidence on effective interventions to facilitate SDM, and identify opportunities for research and practice. RECENT FINDINGS: Advances in risk stratification can identify patients who will most and least likely benefit from the ICD. Interventions to support SDM are emerging. These interventions present options, the risks, and the benefits of each option, and elicit patients' values and preferences regarding possible outcomes. SUMMARY: Appropriate patient selection for initial or continued ICD therapy is multifactorial. It requires accurate clinical diagnosis using careful risk stratification and accurate preference diagnosis based upon the patient's preferences. SDM aims to unite the elements that constitute these two equally important diagnoses. High-quality decision making will be difficult to achieve if patients lack or misunderstand information, and if evolving patient preferences are not incorporated when making decisions. PMID- 29216015 TI - Graft quality verification in coronary artery bypass graft surgery: how, when and why? PMID- 29216016 TI - Why the CANTOS Is a Game Changer in Cardiovascular Medicine. PMID- 29216017 TI - Sleep Quantity and Quality of Ontario Wildland Firefighters Across a Low-Hazard Fire Season. AB - OBJECTIVE: The aim of the study was to assess the sleep quality, quantity, and fatigue levels of Canadian wildland firefighters while on deployment. METHODS: Objective and subjective sleep and fatigue measures were collected using actigraphy and questionnaires during non-fire (Base) and fire (Initial Attack and Project) deployments. RESULTS: Suboptimal sleep quality and quantity were more frequently observed during high-intensity, Initial Attack fire deployments. Suboptimal sleep was also exhibited during non-fire (Base) work periods, which increases the risk of prefire deployment sleep debt. Self-reported, morning fatigue scores were low-to-moderate and highest for Initial Attack fire deployments. CONCLUSIONS: The study highlights the incidence of suboptimal sleep patterns in wildland firefighters during non-fire and fire suppression work periods. These results have implications for the health and safety practices of firefighters given the link between sleep and fatigue, in a characteristically hazardous occupation. PMID- 29216018 TI - Impact of a Graduated Approach on Opioid Initiation and Loss of Earnings Following Workplace Injury: A Time Series Analysis. AB - OBJECTIVE: The aim of this study was to explore the impact of the Ontario Workplace Safety and Insurance Board's (WSIB's) graduated approach to opioid management on opioid prescribing and disability claim duration. METHODS: We studied patterns of opioid use and disability claim duration among Ontarians who received benefits through the WSIB between 2002 and 2013. We used interventional time series analysis to assess the impact of the WSIB graduated formulary on these trends. RESULTS: After the introduction of the graduated formulary, initiation of short- and long-acting opioids fell significantly (P < 0.0001). We also observed a shift toward the use of short-acting opioids alone (P < 0.0001). Although disability claim duration declined, this could not be ascribed to the intervention (P = 0.18). CONCLUSION: A graduated opioid formulary may be an effective tool for providers to promote more appropriate opioid prescribing. PMID- 29216019 TI - Familial Association of Granulocyte-Macrophage Colony-Stimulating Factor Autoantibodies in Inflammatory Bowel Disease. AB - OBJECTIVES: Elevated granulocyte-macrophage colony-stimulating factor auto antibodies (GM-CSF Ab) are associated with increased intestinal permeability and stricturing behavior in Crohn disease (CD). We tested for familial association of serum GM-CSF Ab level in CD and ulcerative colitis (UC) families. METHODS: Serum GM-CSF Ab concentration was determined in 230 pediatric CD probands and 404 of their unaffected parents and siblings, and 45 UC probands and 71 of their unaffected parents and siblings. A linear mixed effects model was used to test for familial association. The intra-class correlation coefficient (ICC) was used to determine the degree of association of the serum GM-CSF Ab level within families in comparison with the degree of association among families. RESULTS: The median (IQR) serum GM-CSF Ab concentration was higher in CD probands than in UC probands (1.5 [0.5,5.4] MUg/mL vs 0.7 [0.3, 1.6] MUg/mL, P = 0.0002). The frequency of elevated serum GM-CSF Ab concentration >=1.6 MUg/mL was increased in unaffected siblings of CD probands with elevated GM-CSF Ab, compared with unaffected siblings of CD probands without elevated GM-CSF Ab (33% vs 13%, respectively, P = 0.04). A similar result was observed within UC families. In families of CD patients, the mean (95th CI) ICC was equal to 0.153 (0.036, 0.275), P = 0.001, whereas in families of UC patients, the mean (95th CI) ICC was equal to 0.27 (0.24, 0.31), P = 0.047. CONCLUSIONS: These data confirmed familial association of serum GM-CSF Ab levels. This could be accounted for by either genetic or environmental factors shared within the family. PMID- 29216020 TI - Hydrolyzed Formula With Reduced Protein Content Supports Adequate Growth: A Randomized Controlled Noninferiority Trial. AB - OBJECTIVE: A high protein content of nonhydrolyzed infant formula exceeding metabolic requirements can induce rapid weight gain and obesity. Hydrolyzed formula with too low protein (LP) content may result in inadequate growth. The aim of this study was to investigate noninferiority of partial and extensively hydrolyzed formulas (pHF, eHF) with lower hydrolyzed protein content than conventionally, regularly used formulas, with or without synbiotics for normal growth of healthy term infants. METHODS: In an European multi-center, parallel, prospective, controlled, double-blind trial, 402 formula-fed infants were randomly assigned to four groups: LP-formulas (1.9 g protein/100 kcal) as pHF with or without synbiotics, LP-eHF formula with synbiotics, or regular protein eHF (2.3 g protein/100 kcal). One hundred and one breast-fed infants served as observational reference group. As primary endpoint, noninferiority of daily weight gain during the first 4 months of life was investigated comparing the LP group to a regular protein eHF group. RESULTS: A comparison of daily weight gain in infants receiving LPpHF (2.15 g/day CI -0.18 to inf.) with infants receiving regular protein eHF showed noninferior weight gain (-3.5 g/day margin; per protocol [PP] population). Noninferiority was also confirmed for the other tested LP formulas. Likewise, analysis of metabolic parameters and plasma amino acid concentrations demonstrated a safe and balanced nutritional composition. Energetic efficiency for growth (weight) was slightly higher in LPeHF and synbiotics compared with LPpHF and synbiotics. CONCLUSIONS: All tested hydrolyzed LP formulas allowed normal weight gain without being inferior to regular protein eHF in the first 4 months of life. This trial was registered at clinicaltrials.gov, NCT01143233. PMID- 29216021 TI - Long-term Results and Quality of Life Assessment in Biliary Atresia Patients: A 35-Year Experience in a Tertiary Hospital. AB - OBJECTIVES: To review long-term transplant-free survival and quality of life (QOL) of patients with biliary atresia (BA). METHODS: A retrospective study reviewing all patients with Kasai operation between January 1, 1980 and December 31, 2015 was performed to evaluate the transplant-free survival. Subgroup analysis of patients older than 20 years was carried out to assess the QOL using the Short Form-36 Health Survey and incidences of disease-related complications. Comparison between patients with native and transplanted liver was performed using two-tailed independent samples t-test (P value < 0.05, significant). RESULTS: The 20-year Kaplan-Meier transplant-free survival of the 141 patients in our study was 51%. The subgroup analysis of long-term survivors revealed a trend of increased prevalence of complications like esophageal varices, portal hypertension, and recurrent admissions in the patient groups with raised serum bilirubin (SB).Thirty-one patients were successfully contacted for QOL assessment, 26 (16 with native liver and 10 with transplanted liver) responded (76.5%). BA patients who were documented to have active complications have a significantly lower vitality score (50.7 vs 57.5, P = 0.015). There was no statistically significant difference in the scores between the transplanted group and the disease-free control group. However, the native liver group achieved a lower score in both the general health section (42.9 vs 49.6, P = 0.029) and the overall physical component (49.6 vs 54.4, P = 0.037). CONCLUSIONS: A significant proportion of our patients survive with their native liver for more than 20 years. These long-term survivors may suffer from complications that impair their QOL. They require continuous life-long care. PMID- 29216022 TI - Yield of Endoscopic Ultrasound in Children and Adolescent With Acute Recurrent Pancreatitis. AB - OBJECTIVES: Endoscopic ultrasound (EUS) is an established tool for evaluation of adults with acute recurrent pancreatitis (ARP) whereas data in pediatrics is limited. Our study assessed the role of EUS in identifying etiology including changes of chronic pancreatitis (CP) in children and adolescents with ARP. METHODS: Children with ARP (>=2 episodes of acute pancreatitis [AP]) were prospectively evaluated with a detailed clinical proforma and EUS. Subjects with known etiology of ARP or CP on ultrasonography/computed tomography and magnetic resonance cholangiopancreatography (MRCP, Cambridge grade >=3) were excluded. Parenchymal and ductal changes on EUS as per minimal standards terminology (MST) features were noted. RESULTS: Thirty-two children (22 boys, age 14 [8-18] years) with ARP (median of 3 [2-5] episodes of AP) were enrolled. EUS was safe and technically successful in all. Gall bladder sludge was found in 1 (3%) case and none had other pancreatobiliary structural abnormalities. EUS diagnosis of CP (>=4 features) was made in 10/32 (31%) cases. Subjects with CP on EUS had a longer disease duration than those without CP (45 [10-97] vs 22 [8-78] months; P = ns). MRCP was normal in 28 and showed pancreas divisum in 1 case. Three cases had equivocal (Cambridge II) changes at initial MRCP and 2 of them had repeat MRCP, which showed definite (Cambridge IV) CP. All these 3 cases had CP on EUS. CONCLUSIONS: EUS diagnosed CP (>=4 features) in 31% and biliary abnormality in 3% children with ARP. EUS is safe, sensitive, and useful for early diagnosis of CP in children with ARP. PMID- 29216023 TI - Corticosteroids for Preventing Caustic Esophageal Strictures: Systematic Review and Meta-analysis. AB - OBJECTIVES: Caustic ingestion can have a complicated clinical course. Corticosteroids are widely used but there is uncertainty about its role in preventing esophageal stricture formation following caustic ingestion. This systematic review and meta-analysis assessed the available clinical evidence regarding the efficacy and safety of corticosteroids for preventing esophageal strictures following caustic injury. METHODS: We assessed randomized controlled trials (RCTs) that compared corticosteroids versus no corticosteroids in the prevention of esophageal stricture formation following caustic ingestion. We searched the following databases from inception to March 2017: PubMed, Embase, and the Cochrane Central Register of Controlled Trials. Two reviewers retrieved eligible articles, assessed risk of bias, and performed data extraction. The main outcome measure was the prevention of esophageal stricture formation. RESULTS: The search identified 763 citations. Three RCTs involving 244 participants met the inclusion criteria. There was no benefit of corticosteroids in the prevention of esophageal strictures following the ingestion of caustic materials (risk ratio [RR] = 0.63, 95% CI = 0.29-1.37). CONCLUSIONS: The available evidence does not support the use of corticosteroids for the prevention of esophageal strictures following caustic ingestion. The overall quality of the evidence is limited because of methodological weaknesses and small sample sizes in the primary studies. PMID- 29216025 TI - Erratum: Vol. 66, No. 47. PMID- 29216026 TI - QuickStats: Percentage of Children Aged 4-17 Years Who Had Ever Had Varicella (Chickenpox),* by Age Group - National Health Interview Survey, 2007-2016?. AB - During 2007-2016, the percentage of children aged 4-17 years who had ever had chickenpox decreased among both younger children (aged 4-11 years) and older children (aged 12-17 years). Among younger children, the percentage of children who had ever had chickenpox declined by 73.9%, from 16.1% in 2007 to 4.2% in 2016. Among older children the percentage who had ever had chickenpox declined by 76.9%, from 61.4% in 2007 to 14.2% in 2016. During 2007-2016, older children were more likely than younger children to have ever had chickenpox. PMID- 29216024 TI - Maxillary Cortical Bone Thickness in a South-Eastern Anatolian Population: A Cone Beam Computed Tomography Study. AB - BACKGROUND The aim of this study was to measure the distance between the maxillary premolar and molar teeth apices to the buccal cortical bone and evaluate differences in gender and age group, using cone beam computed tomography (CBCT). MATERIAL AND METHODS This retrospective study comprised of 451 premolar and molar teeth of one hundred and thirteen patients who were admitted to Dicle University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology for different reasons. Data were analyzed using Student's t-tests and Tukey HSD tests. RESULTS There was significant difference in buccal bone thickness by gender (p<0.05). The thinnest point of the maxillary buccal bone was measured in women as 2.11 mm and in men as 2.02 mm in the first premolar teeth. The thickest point of maxillary buccal bone was measured in women as 9.87 mm and in men 10.71 mm palatinal root of the first molar. A comparison of buccal bone thickness between age showed a statistically significant difference at the distobuccal and palatinal roots of the first molar, at the mesiobuccal root of the second molar (p<0.05). CONCLUSIONS The measurements of maxillar buccal bone thickness using CBCT for various dental procedures especially in endodontic surgery, orthodontic mini implant treatment, dental implant procedures, and healing after tooth extraction that are important knowledge. PMID- 29216027 TI - Acute Malnutrition Among Children, Mortality, and Humanitarian Interventions in Conflict-Affected Regions - Nigeria, October 2016-March 2017. AB - A public health emergency was declared by the Nigerian Federal Ministry of Health in northeastern Nigeria in June 2016 and escalated by the United Nations to a Level 3 Emergency in August 2016, after confirmation of wild poliovirus and measles outbreaks and evidence that prevalence of acute malnutrition exceeded emergency thresholds in areas newly liberated from Boko Haram control (1,2). To monitor rates of mortality, acute malnutrition among children, infectious disease morbidity, and humanitarian interventions after the emergency declaration, a series of cross-sectional household surveys were conducted in fall 2016 and winter 2017 in the northeastern states of Borno and Yobe using a cluster methodology. All-cause mortality among all age groups (crude mortality) and among children aged <5 years (under-five mortality) were above emergency thresholds in 2017 and significantly increased from 2016, despite evidence of increased preventive public health interventions, including measles vaccination. Access to treatment for common childhood illnesses remained very low, as evidenced by reports of fewer than one in six children in areas outside Borno's capital receiving any care for diarrhea. The data from these surveys provide evidence of excessively high mortality (particularly among children), highlight the impact of ongoing violence, and underscore the need for humanitarian efforts to scale up access to treatment services in conflict-affected areas. PMID- 29216028 TI - Progress Toward Global Eradication of Dracunculiasis, January 2016-June 2017. AB - Dracunculiasis (Guinea worm disease) is caused by Dracunculus medinensis, a parasitic worm. Approximately 1 year after a person acquires infection from contaminated drinking water, the worm emerges through the skin, usually on a lower limb (1). Pain and secondary bacterial infection can cause temporary or permanent disability that disrupts work and schooling. The campaign to eradicate dracunculiasis worldwide began in 1980 at CDC. In 1986, the World Health Assembly called for dracunculiasis elimination,* and the global Guinea Worm Eradication Program, led by the Carter Center and supported by the World Health Organization (WHO), United Nations Children's Fund, CDC, and other partners, began assisting ministries of health in countries with endemic dracunculiasis. In 1986, an estimated 3.5 million cases occurred each year in 20 countries in Africa and Asia (2). Since then, although the goal of eradicating dracunculiasis has not been achieved, considerable progress has been made. Compared with the 1986 estimate, the annual number of reported cases in 2016 has declined by >99%, and cases are confined to three countries with endemic disease. This report updates published (3-4) and unpublished surveillance data reported by ministries of health and describes progress toward dracunculiasis eradication during January 2016-June 2017. In 2016, a total of 25 cases were reported from three countries (Chad [16], South Sudan [six], Ethiopia [three]), compared with 22 cases reported from the same three countries and Mali in 2015 (Table 1). The 14% increase in cases from 2015 to 2016 was offset by the 25% reduction in number of countries with indigenous cases. During the first 6 months of 2017, the overall number of cases declined to eight, all in Chad, from 10 cases in three countries (Chad [four], South Sudan [four] and Ethiopia [two]) during the same period of 2016. Continued active surveillance, aggressive detection, and appropriate management of cases are essential eradication program components; however, epidemiologic challenges, civil unrest, and insecurity pose potential barriers to eradication. PMID- 29216029 TI - Disparities in Hospital-Reported Breast Milk Use in Neonatal Intensive Care Units - United States, 2015. AB - Breast milk is the recommended nutrition for infants. For preterm infants, when mother's milk is not available, pasteurized donor milk is recommended (1). Non Hispanic black mothers are at increased risk for having a preterm birth and for not breastfeeding (2,3); however, it is not known whether demographic disparities exist in the use of breast milk in neonatal intensive care units (NICUs). Data from CDC's 2015 Maternity Practices in Infant Nutrition and Care (mPINC) survey, which does not collect patient-level demographics, were linked to the 2011-2015 U.S. Census Bureau's American Community Survey (ACS)* to examine use of breast milk in NICUs based on demographic makeup of the hospital's postal code area. Among U.S. hospitals with a NICU, the use of mother's own milk and donor milk were examined by the percentage of non-Hispanic black (black) residents in the hospital postal code area, categorized as being above or below the national average (12.3%). In postal codes with >12.3% black residents, 48.9% of hospitals reported using mothers' own milk in >=75% of infants in the NICU, and 38.0% reported not using donor milk, compared with 63.8% and 29.6% of hospitals, respectively, in postal codes with <=12.3% black residents. Further investigation is needed to understand variations in breast milk use in NICUs. Targeted efforts to increase breast milk use in hospitals located in postal codes where the percentage of black mothers is above the national average might help ensure more equitable access to breast milk for preterm and other high-risk infants. PMID- 29216031 TI - Early career investigator highlight-March. PMID- 29216030 TI - Update: Influenza Activity - United States, October 1-November 25, 2017. AB - Influenza activity in the United States was low during October 2017, but has been increasing since the beginning of November. Influenza A viruses have been most commonly identified, with influenza A(H3N2) viruses predominating. Several influenza activity indicators were higher than is typically seen for this time of year. The majority of influenza viruses characterized during this period were genetically or antigenically similar to the 2017-18 Northern Hemisphere cell grown vaccine reference viruses. These data indicate that currently circulating viruses have not undergone significant antigenic drift; however, circulating A(H3N2) viruses are antigenically less similar to egg-grown A(H3N2) viruses used for producing the majority of influenza vaccines in the United States. It is difficult to predict which influenza viruses will predominate in the 2017-18 influenza season; however, in recent past seasons in which A(H3N2) viruses predominated, hospitalizations and deaths were more common, and the effectiveness of the vaccine was lower. Annual influenza vaccination is recommended for all persons aged >=6 months who do not have contraindications. Multiple influenza vaccines are approved and recommended for use during the 2017-18 season, and vaccination should continue to be offered as long as influenza viruses are circulating and unexpired vaccine is available. This report summarizes U.S. influenza activity* during October 1-November 25, 2017 (surveillance weeks 40 47).?. PMID- 29216032 TI - Notable advances 2017. PMID- 29216033 TI - Fattening the role of Ca2+ cycling in adaptive thermogenesis. PMID- 29216034 TI - Timeline of events. PMID- 29216035 TI - Cutting out the liver fat. PMID- 29216036 TI - Drugs that made headlines in 2017. PMID- 29216038 TI - Correction. AB - This corrects the article DOI: 10.1038/nm1117-1244. PMID- 29216037 TI - Recognition of self-DNA drives cardiac inflammation: why broken hearts fail. PMID- 29216039 TI - Corrigendum: Persisting positron emission tomography lesion activity and Mycobacterium tuberculosis mRNA after tuberculosis cure. AB - This corrects the article DOI: 10.1038/nm.4177. PMID- 29216040 TI - Targeted cellular immunotherapy for T cell malignancies. PMID- 29216041 TI - Organoids lead the cancer attack. PMID- 29216043 TI - The Yearbook. PMID- 29216042 TI - The small molecule CLP257 does not modify activity of the K+-Cl- co-transporter KCC2 but does potentiate GABAA receptor activity. PMID- 29216044 TI - Reply to The small molecule CLP257 does not modify activity of the K+-Cl- co transporter KCC2 but does potentiate GABAA receptor activity. PMID- 29216045 TI - Corrigendum: ADAM10-mediated ephrin-B2 shedding promotes myofibroblast activation and organ fibrosis. AB - This corrects the article DOI: 10.1038/nm.4419. PMID- 29216046 TI - Optical modeling of fiber organic photovoltaic structures using a transmission line method. AB - An optical model has been developed and evaluated for the calculation of the external quantum efficiency of cylindrical fiber photovoltaic structures. The model is based on the transmission line theory and has been applied on single and bulk heterojunction fiber-photovoltaic cells. Using this model, optimum design characteristics have been proposed for both configurations, and comparison with experimental results has been assessed. PMID- 29216047 TI - Improved progressive morphological filter for digital terrain model generation from airborne lidar data. AB - Obtaining high-precision filtering results from airborne lidar point clouds in complex environments has always been a hot topic. Mathematical morphology was widely used for filtering, owing to its simplicity and high efficiency. However, the morphology-based algorithms are deficient in preserving terrain details. In order to obtain a better filtering effect, this paper proposed an improved progressive morphological filter based on hierarchical radial basis function interpolation (PMHR) to refine the classical progressive morphological filter. PMHR involved two main improvements, namely, automatic setting of self-adaptive thresholds and terrain details preservation, respectively. The performance of PMHR was evaluated using datasets provided by the International Society for Photogrammetry and Remote Sensing. Experimental results show that PMHR achieved good performance under variant terrain features with an average total error of 4.27% and average Kappa coefficient of 84.57%. PMID- 29216048 TI - Deformation of a prestressed liquid lens membrane. AB - This paper presents a complete model for analysis of the deformed shape of a prestressed circular axisymmetric membrane of a liquid lens. The governing equations are derived using the exact relation between displacements and the Green-Lagrange strains combined with the Saint Venant-Kirchhoff material law, which postulates a linear relation between the Green-Lagrange strains and the second Piola-Kirchoff stresses. A numerical solution based on minimization of potential energy is illustrated by an example, and the dependence of the maximum membrane deflection on material properties and initial prestress is analyzed. The theoretical model is then experimentally validated. It is shown that the model is suitable for large-strain analysis of liquid lens membranes and provides sufficiently accurate results that can be used in further analyses and simulations of imaging properties of active optical elements based on liquid lenses. PMID- 29216049 TI - Field-only integral equation method for time domain scattering of electromagnetic pulses. AB - The scattering of electromagnetic pulses is described using a non-singular boundary integral method to solve directly for the field components in the frequency domain, and Fourier transform is then used to obtain the complete space time behavior. This approach is stable for wavelengths both small and large relative to characteristic length scales. Amplitudes and phases of field values can be obtained accurately on or near material boundaries. Local field enhancement effects due to multiple scattering of interest to applications in microphotonics are demonstrated. PMID- 29216050 TI - Spatial intensity profiling of elastic and inelastic scattering in isotropic and anisotropic liquids by immersion of a spherical silicon photocell. AB - The transverse spatial intensity distribution of elastic and inelastic light scattering in passive and active as well as weak and strong scattering liquid media has been studied by using Sphelar One p-n junction silicon spherical photocells. We immersed a Sphelar One in these scattering solutions and measured the photoconductive response in reverse biased photodiode (PD) configuration. The passive weak scattering medium was pure ethanol (EtOH), whereas the passive strong scattering medium was 5CB nematic liquid crystal (NLC). Solutions of 0.1 mM Rhodamine 640 perchlorate laser dye in EtOH and in 5CB NLC were used as active scattering media. The response of Sphelar One was strongly enhanced in 5CB NLC compared to EtOH, as well as in active solutions compared to passive solutions. The morphology of the Sphelar One is already advantageous over conventional one sided planar PDs inside liquid solutions. This omnidirectional response of the Sphelar One can further be enhanced by optimizing the properties of the surrounding passive elastic and active inelastic scatterers. PMID- 29216051 TI - Highly efficient waveguide display with space-variant volume holographic gratings. AB - We propose a highly efficient waveguide display based on space-variant volume holographic gratings (SVVHGs). The local period and slant angle of the SVVHG vary along the tangential direction, enabling variant incident angles to satisfy the Bragg condition of the local gratings. As a result, we enlarge the field of view (FOV) without using the conventional multiplexing scheme, while achieving high efficiency and large FOV at the same time. We experimentally record the SVVHGs on Bayfol HX200 films. We demonstrate that the proposed display can achieve 31.9% system efficiency for a broadband light source and 52.3% for a coherent light source, 20 degrees FOV, and high brightness uniformity, making it a promising candidate for widespread applications in the augmented reality (AR) industry. PMID- 29216052 TI - Modified surface testing method for large convex aspheric surfaces based on diffraction optics. AB - Large convex aspheric optical elements have been widely applied in advanced optical systems, which have presented a challenging metrology problem. Conventional testing methods cannot satisfy the demand gradually with the change of definition of "large." A modified method is proposed in this paper, which utilizes a relatively small computer-generated hologram and an illumination lens with certain feasibility to measure the large convex aspherics. Two example systems are designed to demonstrate the applicability, and also, the sensitivity of this configuration is analyzed, which proves the accuracy of the configuration can be better than 6 nm with careful alignment and calibration of the illumination lens in advance. Design examples and analysis show that this configuration is applicable to measure the large convex aspheric surfaces. PMID- 29216053 TI - Low-loss reciprocal optical terminals for two-way time-frequency transfer. AB - We present the design and performance of a low-cost, reciprocal, compact free space terminal employing tip/tilt pointing compensation that enables optical two way time-frequency transfer over free-space links across the turbulent atmosphere. The insertion loss of the terminals is ~1.5 dB with total link losses of 15 dB, 24 dB, and 50 dB across horizontal, turbulent 2-km, 4-km, and 12 km links, respectively. The effects of turbulence on pointing control and aperture size, and their influence on the terminal design, are discussed. PMID- 29216054 TI - Angular random walk limited by Rayleigh backscattering in resonator fiber optic gyros. AB - This paper is concerned with the angular random walk (ARW) limited by Rayleigh backscattering in the resonator fiber optic gyro (RFOG) with a light source of arbitrary temporal coherence. First, a model of Rayleigh backscattering noise in RFOGs is established to predict the fluctuation characteristics of backscattered intensity and interference intensity. Next, the formula for the ARW limited by Rayleigh backscattering is derived, and the requirement of carrier suppression level is calculated to make sure the ARW is limited by the detector's shot noise rather than Rayleigh scattering noise. Finally, the influences of the cavity length, the linewidth, and the finesse on the ARW limited by Rayleigh backscattering are investigated. The results predict that the influence of the cavity length L and the laser linewidth DeltaupsilonL on the ARW is dominantly related to the factor e-2piDeltaupsilonLneL/c, and under the finesse 88, the best ARW is obtained when there is a relation L.DeltaupsilonL~4*105 m.Hz. PMID- 29216055 TI - Unscented information filtering phase unwrapping algorithm for interferometric fringe patterns. AB - This paper proposes a new phase unwrapping (PU) algorithm based on an unscented information filter for interferometric fringes. The proposed algorithm is the result of combining an unscented information filter with a Levenberg-Marquardt method, a robust phase gradient estimator called the amended matrix pencil model, and an efficient quality-guided strategy based on heapsort. The unscented information filter, a new type of filter that has recently been well applied to traditional nonlinear object tracking fields, is introduced to estimate the unambiguous unwrapped phase of wrapped phase images for the first time, to the best of our knowledge. First, a recursive PU procedure based on an unscented information filter is established to perform PU and noise filtering at the same time by combining the unscented information filter and the amended matrix pencil model, where the amended matrix pencil model is applied to acquire phase gradient information needed for the recursive PU procedure. Second, the above recursive PU procedure is further optimized to improve the accuracy of the phase estimate by inserting the Levenberg-Marquardt method. This is also the first time that the Levenberg-Marquardt method is combined with the unscented information filter for the unwrapping of interferometric fringes, to the best of our knowledge. Finally, the efficient quality-guided strategy based on heapsort is used to efficiently route the path of the unwrapping procedure and to guide the proposed method to efficiently unwrap wrapped pixels along the path from the high-reliance region to the low-reliance region of the wrapped fringes. Results obtained with synthetic data and real data show more acceptable solutions with the proposed method, compared to some of the most used algorithms. PMID- 29216056 TI - Micro-motion detection of the 3-DOF precision positioning stage based on iterative optimized template matching. AB - This study presents a method for micro-motion detection of the three-degrees-of freedom (3-DOF; x, y, thetaz) precision positioning stage (PPS) based on iterative optimized template matching (IOTM). In this method, a micro-vision system (MVS) is constructed and employed to capture magnified images of the measured PPS's surface with high quality. In addition, an efficient and accurate IOTM algorithm, which includes a pyramid hierarchical matching step for generating the initial guess and an iterative searching step for 3-DOF fine matching, is proposed to detect the micro-motion of the 3-DOF PPS. The simulation results show that the locating accuracy of the translation component (TC) and rotation component of this algorithm can respectively reach 0.01 pixels and 0.01 deg when the image quality is high and the initial guess is close to the real location. Measurement tests of a nano-PPS verify that the proposed method is practical and effective for 3-DOF micro-motion detection and the absolute accuracy of the TC of the MVS can easily reach the nanometer level. PMID- 29216057 TI - Multi-objective versus single-objective optimization frameworks for designing photonic crystal filters. AB - This paper proposes a novel framework for multi-objective optimization of photonic crystal (PhC) filters and compares it with a single-objective optimization approach. In this framework, an optimizer called the Multi-Objective Gray Wolf Optimizer has been utilized to automatically find the optimal designs. The proposed method is able to design any kind of PhC filter. As a case study, a new structure of super defect PhC filter for application in the wavelength division multiplexer (WDM) is designed using the framework. The results show that the proposed framework is comprehensive and able to find a significantly wide range of optimal designs for general and specific application, such as WDM with respect to each defined WDM standard. PMID- 29216058 TI - Wave properties in asymmetric single-negative-base photonic crystals. AB - We theoretically study wave properties for one-dimensional defective asymmetric photonic crystals, air/(AB)MG(BA)N/air, air/(AQ)MG(QA)N/air, and air/(BQ)MG(QB)N/air, where A is a lossy epsilon-negative material, B is a lossy mu-negative material, G and Q are dielectrics with different refractive indexes, and M and N are stack numbers with M?N. Special attention has been paid to their absorption spectra. It is found that at certain frequencies the absorption can exhibit unidirectional properties. Our calculated results show two kinds of unidirectional absorption peaks. One is a single absorption peak whose frequency depends on the thickness of defect layer G. For the other peaks, its frequency does not change when the defect layer's thickness changes. In addition, in the second kind of peaks, the peak numbers for forward and backward propagation are different, that is, there are (M-1) absorption peaks for forward propagation, while there are (N-1) absorption peaks for backward propagation. When the two kinds of unidirectional absorption peaks are merged, some new peaks appear, and both forward and backward propagation will have (M+N-1) absorption peaks. PMID- 29216059 TI - Analysis of dual coupler nested coupled cavities. AB - Coupled ring resonators are now forming the basic building blocks in several optical systems serving different applications. In many of these applications, a small full width at half maximum is required, along with a large free spectral range. In this work, a configuration of passive coupled cavities constituting dual coupler nested cavities is proposed. A theoretical study of the configuration is presented allowing us to obtain analytical expressions of its different spectral characteristics. The transfer function of the configuration is also used to generate design curves while comparing these results with analytical expressions. Finally, the configuration is compared with other coupled cavity configurations. PMID- 29216060 TI - Inverse conversion algorithm for an all-optical depth coloring camera. AB - Three-dimensional (3D) metrology has received a lot of attention from academic and industrial communities due to its broad applications, such as 3D contents, 3D printing, and autonomous driving. The all-optical depth coloring (AODC) camera has some benefits in computation load since it extracts depth information of an object fully optically. The AODC camera represents the depth of the object as a variation of wavelength, and spectroscopy is generally required to measure the wavelength. However, in the AODC camera, the color vector in RGB color space is convertible inversely into the wavelength after projection on the normalized rgb plane because the detected spectrum through the gating part has a narrow bandwidth as a result of the width of the slit in the projection part. In this paper, we propose an inverse conversion algorithm from RGB color to depth without spectroscopy. Experimental results are presented to confirm its feasibility. Also, some practical limitations are discussed, resulting from the nonlinearity of the response of the image sensor and the widths of the slits in the projection part and the gating part. PMID- 29216061 TI - Relationship between phosphor properties and chromaticity of phosphor-in-glass. AB - SiO2-B2O3-ZnO-Li2O glass and four types of phosphors (Y3Al5O12:Ce3+, (Sr,Ba)Si2O2N2:Eu2+, CaAlSiN3:Eu2+, and Lu3Al5O12:Ce3+) with different spectral distributions and thermal properties were prepared to achieve the desired color point based on the relationship between the thermal properties of phosphors and the microstructure of the phosphor-in-glass (PIG). The glass frit was mixed with various contents of phosphors (2.5, 5.0, 7.5, and 10.0 vol%) and then sintered to form a PIG. It was confirmed that the different pore properties of each PIG, caused by the difference in phosphor thermal properties, have a strong influence on the optical properties of the PIG. As the mass change of the phosphor increases, the scattering coefficient of the PIG also increases based on the variations in both pore size and porosity inside the plate. It is apparent that the scattering coefficient is strongly related to the path of converted light and blue light from the light-emitting diode (LED) chip; therefore, the ratio of transmittance to reflectance of each PIG is different, even if each PIG has the same phosphor content. These results indicate that achieving the target LED chromaticity is closely related to the phosphor characteristics and PIG's pore properties. PMID- 29216062 TI - Piezo-optic and elasto-optic properties of monoclinic triglycine sulfate crystals. AB - For the first time, to the best of our knowledge, we have experimentally determined all of the components of the piezo-optic tensor for monoclinic crystals. This has been implemented on a specific example of triglycine sulfate crystals. Based on the results obtained, the complete elasto-optic tensor has been calculated. Acousto-optic figures of merit (AOFMs) have been estimated for the case of acousto-optic interaction occurring in the principal planes of the optical indicatrix ellipsoid and for geometries in which the highest elasto-optic coefficients are involved as effective parameters. It has been found that the highest AOFM value is equal to 6.8*10-15 s3/kg for the case of isotropic acousto optic interaction with quasi-longitudinal acoustic waves in the principal planes. This AOFM is higher than the corresponding values typical for canonic acousto optic materials, which are transparent in the deep ultraviolet spectral range. PMID- 29216063 TI - Modeling of the petawatt PETAL laser chain using Miro code. AB - Miro software has been used intensively to simulate the Laser Megajoule (LMJ) with the treatment of amplification, frequency conversion, and both temporal/spatial smoothing of the beam for nanosecond pulses. We show that the software is able to model most relevant aspects of the petawatt PETAL laser chain in the subpicosecond regime, from the front-end to the focal spot with a broadband treatment of the amplification and compression stages, including chromatism compensation in the laser chain, segmentation and recombination of the beams on the second compression stage, and focusing by an off-axis parabola. PMID- 29216064 TI - Numerical simulation and experimental investigation of GaN-based flip-chip LEDs and top-emitting LEDs. AB - We demonstrate a GaN-based flip-chip LED (FC-LED) with a highly reflective indium tin oxide (ITO)/distributed Bragg reflector (DBR) ohmic contact. A transparent ITO current spreading layer combined with Ta2O5/SiO2 double DBR stacks is used as a reflective p-type ohmic contact in the FC-LED. We develop a strip-shaped SiO2 current blocking layer, which is well aligned with a p-electrode, to prevent the current from crowding around the p-electrode. Our combined numerical simulation and experimental results revealed that the FC-LED with ITO/DBR has advantages of better current spreading and superior heat dissipation performance compared to top-emitting LEDs (TE-LEDs). As a result, the light output power (LOP) of the FC LED with ITO/DBR was 7.6% higher than that of the TE-LED at 150 mA, and the light output saturation current was shifted from 130.9 A/cm2 for the TE-LED to 273.8 A/cm2 for the FC-LED with ITO/DBR. Owing to the high reflectance of the ITO/DBR ohmic contact, the LOP of the FC-LED with ITO/DBR was 13.0% higher than that of a conventional FC-LED with Ni/Ag at 150 mA. However, because of the better heat dissipation of the Ni/Ag ohmic contact, the conventional FC-LED with Ni/Ag exhibited higher light output saturation current compared to the FC-LED with ITO/DBR. PMID- 29216065 TI - Integrated beam shaping and polarization beam combining design for fiber-coupled semiconductor laser stacks system. AB - The beam quality mismatch in the fast and slow axes of laser diode stacks limits their applications. An effective beam-shaping method was proposed based on a pair of step prisms. Using this technique, we can eliminate the lightless areas and achieve polarization multiplexing of laser diode stacks. Two laser diode stacks consisting of eight bars were coupled into a fiber with a core diameter of 200 MUm and a numerical aperture of 0.22. The simulation results demonstrated that the output power can reach 1083 W and the optical-optical efficiency was 84.6%. PMID- 29216066 TI - Overlapped fiber-optic Michelson interferometers for simultaneous refractive index measurement at two sensing points. AB - We present a fiber refractometer based on the implementation of overlapped Michelson interferometers; the refractometer allows simultaneous refractive index measurement at two sensing points for samples discrimination. The fiber refractometer uses the Fresnel reflection in each fiber tip of the overlapped interferometers to generate the interference signal. Experimental results, implementing the two sensing points, for discrimination between non-contaminated and contaminated distilled water are presented. Despite the simplicity of the presented system, resolution and repeatability of 3*10-4 and 5*10-4 are obtained in a dip and read experiment using both sensing points simultaneously for refractive index measurement. PMID- 29216067 TI - Rapid calibration of a projection-type holographic light-field display using hierarchically upconverted binary sinusoidal patterns. AB - A projection-type holographic light-field (LF) display is a full-parallax, full color, and glass-free three-dimensional (3D) display with a holographic optical element and a projector. The display has unique characteristics, including transparency; however, a rapid calibration method has not yet been established. In this paper, we propose a rapid calibration method for a holographic LF display without sacrificing its accuracy. The proposed method performs calibration via the projection of binary sinusoidal patterns whose frequencies are iteratively and hierarchically upconverted. Compared to the conventional method, in the proposed method, the required number of projections is reduced from linear to logarithmic with the projector's resolution. We confirm the successful reconstruction of the 3D image using the proposed method. PMID- 29216068 TI - 16 Gbps random bit generation using chaos in near-symmetric erbium-doped fiber ring laser. AB - We demonstrate a bias-free random bit generator at 16 Gbps using chaos in a near symmetric erbium-doped fiber (EDF) ring laser. The laser consists of two EDFs, each pumped at 980 nm, two intracavity filters of central wavelength 1549.30 nm, and two 90:10 output couplers. The presence of chaos at the laser output is demonstrated by computing the largest Lyapunov exponent for different embedding dimensions. The laser outputs are photodetected and subtracted to generate an electrical difference signal, which is then sampled at 2 GSa/s and postprocessed to extract random bits at 16 Gbps. The random bits exhibit very low autocorrelation (~10-4) and have successfully passed all National Institute of Standards and Technology statistical tests and Diehard battery of tests. PMID- 29216069 TI - High-energy, stable single-frequency Ho:YAG ceramic amplifier system. AB - We demonstrate a 2090 nm single-frequency, high-energy, Q-switched Ho:YAG ceramic master oscillator and power amplifier system that contains two-stage amplifiers. The maximum single-frequency pulse energy is 55.64 mJ at a pulse repetition frequency of 200 Hz. The half-width of the pulse spectrum is measured to be 3.96 MHz by a heterodyne technique. To the best of our knowledge, 55.64 mJ is the highest single-frequency output energy obtained from the Ho:YAG laser. PMID- 29216070 TI - Tunable plasmon-induced absorption in an integrated graphene nanoribbon side coupled waveguide. AB - By designing a novel graphene plasmonic band-pass filter with two gold ribbons, we have numerically and analytically investigated the transmission properties of plasmon-induced absorption (PIA) in a compact graphene nanoribbon side-coupled waveguide. The formation and evolution of the PIA window are dependent on the superposition of super resonances and the near-field coupling intensity between the designed two resonators. Interestingly, the induced absorption window not only can be engineered longitudinally in intensity, but also dynamically tuned horizontally in the resonant wavelength by changing the Fermi energy of the graphene layers. Optical time delay near 1.0 ps can be realized in the PIA window, which exhibits excellent slow light features. Double PIA resonance is also discussed. This result may have potential applications in graphene plasmonic switching and buffering. PMID- 29216071 TI - Features of the non-collinear one-phonon anomalous light scattering controlled by elastic waves with elevated linear losses: potentials for multi-frequency parallel spectrum analysis of radio-wave signals. AB - During subsequent development of the recently proposed multi-frequency parallel spectrometer for precise spectrum analysis of wideband radio-wave signals, we study potentials of new acousto-optical cells exploiting selected crystalline materials at the limits of their capabilities. Characterizing these wide-aperture cells is non-trivial due to new features inherent in the chosen regime of an advanced non-collinear one-phonon anomalous light scattering by elastic waves with significantly elevated acoustic losses. These features can be observed simpler in uniaxial, tetragonal, and trigonal crystals possessing linear acoustic attenuation. We demonstrate that formerly studied additional degree of freedom, revealed initially for multi-phonon regimes of acousto-optical interaction, can be identified within the one-phonon geometry as well and exploited for designing new cells. We clarify the role of varying the central acoustic frequency and acoustic attenuation using the identified degree of freedom. Therewith, we are strongly restricted by a linear regime of acousto-optical interaction to avoid the origin of multi-phonon processes within carrying out a multi-frequency parallel spectrum analysis of radio-wave signals. Proof-of-principle experiments confirm the developed approaches and illustrate their applicability to innovative technique for an advanced spectrum analysis of wideband radio-wave signals with the improved resolution in an extended frequency range. PMID- 29216072 TI - High-power self-mode-locked Pr:YLF visible lasers. AB - We demonstrate efficient self-mode-locked green and red lasers with repetition rates of tens and hundreds of megahertz in a Pr:YLF crystal. Using double-end blue-diode-pumped geometry, more than 0.68 W average output power at 522 nm and more than 1.44 W at 639 nm are obtained, which are believed to be the highest average output powers for mode-locked praseodymium lasers operating in the visible wavelength region. PMID- 29216073 TI - Plasmon-induced transparency based on a triangle cavity coupled with an ellipse ring resonator. AB - In this paper, a novel compact plasmonic system is introduced to realize the phenomenon of plasmon-induced transparency. The proposed device consists of a triangle defect coupled with an ellipse-ring resonator based on a metal-insulator metal platform. By the finite-difference time-domain method, the transmission characteristics are numerically studied in detail. In order to verify the simulation results, the coupled mode theory is utilized. In the following, the effect of geometrical parameters, namely, the major and minor radii of the ellipse-ring and the gap between cavities, are investigated. Moreover, the fundamental factors of transmission spectra including intrinsic Drude loss and refractive index of dielectric region are studied. As a result, the transmission peak is obtained near 70% and the full width at half-maximum is close to 28 nm. The sensitivity and figure of merit of the proposed structure are 860 nm/RIU and 31.6 RIU-1, respectively. The mentioned compact structure has the ability and potential to be used in integrated optical circuits like slow light devices, nanoscale filters and nanosensors. PMID- 29216074 TI - Diffraction mechanism of a light-diffusing film with an alternate-polymer-layer structure. AB - A diffraction mechanism, and an optical model to reflect that mechanism, for a light-diffusing film with an alternate-polymer-layer structure was proposed and validated. According to this model, the film forms an angular distribution of light intensity that is almost constant in a certain scattering-angle (cutoff angle) range and drastically decreases outside that range; that is, the profile is similar to a trapezoid. Although the trapezoid intensity distribution (TID) is a fundamental distribution of the film, the mechanism to form the TID has not previously been clarified. A key mechanism is that the refractive-index distribution of the layer structure is expressed as stacked phase gratings, some of which should diffract zeroth-order light to higher orders strongly, and the repetition of this multiple diffraction spreads light over the whole cutoff angle range, thereby generating the TID. To verify the proposed mechanism, intensity distributions were calculated by using the proposed model. The calculation results indicate that the proposed model reproduces the TID. PMID- 29216075 TI - Spectral response of Bragg gratings in multimode polymer waveguides. AB - A means to calculate the multimodal spectral response of Bragg gratings in general non-circular multimode waveguides is proposed. To illustrate the power of the technique, the spectra of two Bragg temperature sensors are numerically calculated in which coupling between 100 modes is considered. It is shown how the Bragg wavelength in multimode Bragg grating waveguides is affected by the number of modes and energy distribution among them. Good matching of the simulated spectrum of a multimode Bragg grating on a planar inverted rib waveguide to the measured spectrum is seen. PMID- 29216076 TI - Security validation based on orthogonal polarization multiplexing in three dimensional space. AB - To enhance the security and practicality of the optical validation technique, a multiple-level security validation method is proposed based on orthogonal polarization multiplexing in a three-dimensional (3D) space. First, the original image is partitioned into two complementary images. Each image is divided into several subblocks. Then, two phase-only masks are generated by adopting the multiple diffractive planes and multiple signal windows phase-retrieval algorithm to reproduce a 3D diffraction field with all of the subblocks randomly distributed in specific locations. One of the phase masks is taken as the fixed system lock. The other one is preserved to act as the validation key. At last, the two diffraction beams of two phase-only masks are converted into orthogonal polarization states when illuminated by a collimated wave. As a result, the simultaneous control of both intensity and polarization distributions in desired longitudinal planes and transversal positions is achieved. A 3D polarization mapping protocol is established to generate the 3D polarization key. During validation, both the validation key and the 3d polarization key must be correct for a person to receive access permission. Experimental results show that the method is easy to implement and offers multiple-level validation functionality. PMID- 29216077 TI - High photon conversion efficiency continuous wave lasing in an optically pumped I2 hollow fiber gas laser in the visible region. AB - Continuous wave lasing in the visible spectral region from a molecular iodine filled hollow core photonic crystal fiber is demonstrated. More than an order of magnitude improvement in photon conversion efficiency has been achieved compared to previous nonfiber-based geometries in this spectral region. The laser shows strong coupling of pump and laser polarization. PMID- 29216078 TI - Onsite multikilowatt laser power meter calibration using radiation pressure. AB - We have demonstrated the calibration of a thermal power meter against a radiation pressure power meter in the range of 20 kW in a manufacturing test environment. The results were compared to a traditional calorimeter-based laboratory calibration undertaken at the National Institute of Standards and Technology. The results are reported, and the effects of nonideal conditions typical of measurements in low-stability environments are discussed. PMID- 29216079 TI - Theoretical investigation of a five-band terahertz absorber based on an asymmetric split-ring resonator. AB - A simple five-band terahertz metamaterial perfect absorber, composed of an asymmetric double-gap square split ring and a metallic ground plate spaced by a thin polyimide dielectric layer, is proposed and theoretically investigated. The results show that it can perform absorption peaks at five resonant frequencies whose peaks average 98.85%. The perfect absorption is mainly attributed to the combined effect of LC, dipole, and surface response of the structure. Compared to previously reported multiband absorbers, our design only has a single and compact structure, which can drastically simplify the design and fabrication process. Furthermore, the resonance absorption properties of the absorber can be tuned by changing the geometric parameters of the structure. Such a simple and effective design holds great promise for potential applications in spectroscopic imaging, biological sensing, and detecting of drugs and explosives. PMID- 29216080 TI - Modeling near-null testing method of a freeform surface with a deformable mirror compensator. AB - We present and analyze a new measurement method of freeform surfaces with a deformable mirror (DM), which functions as a wavefront compensator. We discuss the maximum slope compensation of a DM in the first-order approximation and derive how to calculate the ideal DM form. A constrained optimization procedure is conducted to ensure the actual DM form fits the ideal DM form as closely as possible. To demonstrate the feasibility and understand the measurable range of our method, we evaluate freeform surfaces with a single Zernike term, the first 36 random Zernike terms, and 230 random Zernike terms. A tolerance analysis of the DM position is carried out to show the effect of the tilt and the decenter of the DM on the measurement accuracy. Our studies show that the proposed system is very flexible for freeform surface metrology. PMID- 29216081 TI - Fiber-integrated refractive index sensor based on a diced Fabry-Perot micro resonator. AB - We report on a fiber-integrated refractive index sensor based on a Fabry-Perot micro-resonator fabricated using simple diamond blade dicing of a single-mode step-index fiber. The performance of the device has been tested for the refractive index measurements of sucrose solutions as well as in air. The device shows a sensitivity of 1160 nm/RIU (refractive index unit) at a wavelength of 1.55 MUm and a temperature cross-sensitivity of less than 10-7 RIU/ degrees C. Based on evaluation of the broadband reflection spectra, refractive index steps of 10-5 of the solutions were accurately measured. The conducted coating of the resonator sidewalls with layers of a high-index material with real-time reflection spectrum monitoring could help to significantly improve the sensor performance. PMID- 29216082 TI - On-stream analysis of iron ore slurry using laser-induced breakdown spectroscopy. AB - On-stream analysis of the element content in ore slurry has important significance in the control of the flotation process and full use of raw materials. Therefore, techniques that can monitor the chemistry in slurries online are required. Laser-induced breakdown spectroscopy (LIBS) is one of the potential approaches to online measurements due to its capability of in situ and real-time analysis. However, using LIBS for on-stream analysis of slurries is challenging due to the issues such as surface ripples, sample splashing, sedimentation, etc. To address these problems, we developed a slurry circulation system. The effects of slurry flow rate on LIBS spectra were investigated to achieve the optimal detecting surface for better repeatability of LIBS. The coefficient of determination R2 of the calibration curve for Fe element is 0.982, and the limit of detection of Fe element was estimated to be 0.075 wt. % under the optimized experimental parameters. The results show that this slurry circulation system is applicable to the on-stream slurry analysis. PMID- 29216083 TI - Linearly frequency-tuned LD-pumped Nd:YVO4 laser with an 18-GHz broadband tuning range. AB - A continuously frequency-tuned laser diode end-pumped Nd:YVO4 laser at 1064 nm is demonstrated. A coated etalon and a piezoelectric-transducer (PZT) are utilized for coarse and fine frequency tuning, respectively. Broadband and linear frequency tuning without mode hops is conducted by the synchronous adjustment of the etalon and the PZT. Dependence of the frequency excursion on the displacement of the PZT and the tilting angle of the etalon are theoretically and experimentally investigated. A linear frequency tuning range up to 18 GHz without mode hops or frequency overlaps in a one-way non-stopped scanning is obtained. The maximum output power is 930 mW at 1064 nm, and the average frequency tuning speed is 1.24 GHz/s. Standard deviation of the frequency variation to a linear frequency tuning is estimated to be 186 MHz, indicating a high tuning linearity. PMID- 29216084 TI - Reduction of the effects of angle errors for a channeled spectropolarimeter. AB - Angle errors of high-order retarders will decrease the accuracy of a channeled spectropolarimeter. This paper presents an easily implemented and widely applicable method for reducing the effects of the angle errors. First, we theoretically derive a modified reconstruction model to express and analyze the effects of the angle errors. Based on the modified reconstruction model and current reference beam calibration technique, we put forward the modified reference beam calibration technique to reduce the effects of the angle errors. This method can calculate the angle errors by employing the amplitude terms, which have been ignored in the results of the current reference beam calibration. The effectiveness of the presented method is verified by numerical simulations, which show that the demodulated deviations of polarization parameters have been reduced by one order of magnitude. Experiments are further implemented to validate the proposed method. The convenience and wide applicability of the presented method make it suitable for regular correction of the instrument, especially for the case on track. PMID- 29216085 TI - Hybrid artificial bee colony algorithm for parameter optimization of five parameter bidirectional reflectance distribution function model. AB - A hybrid artificial bee colony (ABC) algorithm inspired by the best-so-far solution and bacterial chemotaxis was introduced to optimize the parameters of the five-parameter bidirectional reflectance distribution function (BRDF) model. To verify the performance of the hybrid ABC algorithm, we measured BRDF of three kinds of samples and simulated the undetermined parameters of the five-parameter BRDF model using the hybrid ABC algorithm and the genetic algorithm, respectively. The experimental results demonstrate that the hybrid ABC algorithm outperforms the genetic algorithm in convergence speed, accuracy, and time efficiency under the same conditions. PMID- 29216086 TI - Theoretical investigation on mid-infrared cascaded Raman fiber laser based on tellurite fiber. AB - A numerical simulation of third-order cascaded Raman fiber laser based on tellurite fiber at the 2-5 MUm waveband is presented. The Raman fiber laser can be optimized with the most suitable tellurite fiber length of 0.5-1.0 m and the most reasonable reflectivity of the third-order Stokes output FBG32 of 10%-20%. We demonstrate numerically that the third-order Stokes wave can reach the maximum average power of 45.2 W and the maximum optical conversion efficiency of 45.2%, corresponding to the FBG32 reflectivity of 10% and the tellurite fiber length of 0.3 m with the attenuation of 0.85 dB/m, when pumped by 2 MUm light with the average power of 100 W. Our simulated results provide valuable theoretical guidance for the design and experiment of tellurite Raman fiber laser at a mid infrared waveband. PMID- 29216087 TI - Ultrastable offset-locked frequency-stabilized heterodyne laser source with water cooling. AB - An ultrastable frequency-stabilized He-Ne laser with a water-cooling structure has been developed for a high-speed and high-accuracy heterodyne interferometer. To achieve high frequency stability and reproducibility, a two-mode He-Ne laser was offset locked to an iodine-stabilized laser. An improved synchronous multi cycle offset frequency-measurement method with a gate time of an integer multiple of the modulation period was employed to remove the frequency-modulation effect on the offset-frequency counter. A water-cooling structure based on the double helix structure was established to provide a stable and low-temperature working environment. This structure can remarkably reduce the frequency instability arising from the environmental temperature variation and the thermal pollution released from the laser to the environment. The experimental results indicate that the frequency stability according to the Allen variance is better than 2.3*10-11 (tau=10 s) and the frequency reproducibility is better than 4.5*10-10. PMID- 29216088 TI - Extending capture range for piston retrieval in segmented systems. AB - Image-based wavefront sensing is a powerful technique for measuring the aberrations of optical systems and surfaces. It often fails for segmented systems with large piston errors per segment. We propose a method for finding these errors using broadband light and a specialized grid search as part of a more global search. We show that this method has a high rate of success for a case where nonlinear optimization gets stuck in local minima. We also explore points of failure. PMID- 29216089 TI - Stitching test of large flats by using two orthogonally arranged wavefront interferometers. AB - The most challenging problem in the stitching test of large flats with a small aperture interferometer is the accumulation effect of the second-order error. As it is approximately enlarged by the square of the ratio of full aperture size to subaperture size, a very small amount of the second-order error in the reference surface of a transmission flat can be accumulated and gets far from negligible when the subaperture is far smaller than the full aperture. We present here a solution by using two orthogonally arranged wavefront interferometers. One is responsible for a subaperture test and the other for the simultaneous measurement of relative tilts. Because the accumulation effect originates from the lateral shift of the second-order error, only the tilt along the subaperture scanning direction needs to be measured accurately. It is no longer determined by stitching optimization instead to avoid the error accumulation. Piston and tilt perpendicular to the scanning direction are still determined by stitching optimization. The method is experimentally verified and compared to the stitching test with the reference surface error calibrated out, both referenced to the full aperture test result obtained with a 24-inch interferometer. PMID- 29216090 TI - Comparison of spatially and temporally resolved diffuse transillumination measurement systems for extraction of optical properties of scattering media. AB - This paper discusses the main differences between two different methods for determining the optical properties of tissue optical phantoms by fitting the spatial and temporal intensity distribution functions to the diffusion approximation theory. The consistency in the values of the optical properties is verified by changing the width of the recipient containing the turbid medium; as the optical properties are an intrinsic value of the scattering medium, independently of the recipient width, the stability in these values for different widths implies a better measurement system for the acquisition of the optical properties. It is shown that the temporal fitting method presents higher stability than the spatial fitting method; this is probably due to the addition of the time of flight parameter into the diffusion theory. PMID- 29216091 TI - Experimental observations of a laser suppression imaging system using pupil-plane phase elements. AB - To help diminish the undesirable effects of laser irradiation on an imaging sensor, a pupil-plane phase element was introduced to broaden the point spread function, thereby reducing the focused laser irradiance. A sharpened image was subsequently restored via Wiener deconvolution. Successful experimental demonstrations employing a spatial light modulator in the pupil plane are reported for the vortex, axicon, and cubic phase. Furthermore, to circumvent information loss owing to zero values in the modulation transfer function, we demonstrate how images with different phase elements, combined with a joint deconvolution operation, provide an improved image. PMID- 29216092 TI - Accuracy evaluation of demodulation results of fiber Bragg grating sensors. AB - Fiber Bragg grating (FBG) sensors are prone to spectral distortions in practical applications, which may cause large demodulation errors. There are many algorithms demodulating FBG spectra, but no approach is able to evaluate demodulation results under spectral distortions. To address this problem, four spectral indices are comparatively utilized to quantify distortions of spectra. Seven representative demodulation algorithms are adopted to analyze impacts of various simulated distorted spectra. Simulation results show that the side-mode suppression ratio (SMSR) of the spectrum is the most suitable spectral index for accuracy evaluation of demodulation results. In particular, when SMSR is larger than 6.3 dB, demodulation results will be accurate, and they are inaccurate when SMSR is smaller than 2.1 dB. The effectiveness of the proposed evaluation approach is validated with fatigue experiments of 9 FBG sensors. PMID- 29216093 TI - 140 MUm single-polarization passive fully aperiodic large-pitch fibers operating near 2 MUm. AB - In this paper, we demonstrate a single-polarization feature out of passive very large-mode-area fully aperiodic large-pitch fibers. It has been previously shown theoretically that one of the two polarizations of the fundamental mode is selectively coupled to a cladding mode. This coupling does not require fiber bending, which permits us to avoid any decrease in mode effective area. The coupling is achieved owing to boron-doped silica inclusions implemented into the microstructured cladding and acting as stress-applying parts. This mechanism has been assessed experimentally in this work using fibers of two different core diameters: 60 MUm and 140 MUm, providing mode field areas of 3637 MUm2 and 14,590 MUm2, respectively, at 1942 nm. The tested fibers have a length of 45 cm and an outer diameter exceeding 1 mm, yielding rod-type fibers. Each sample has been characterized using an unpolarized laser source emitting at 1942 nm. This laser, based on a thulium-doped large-mode-area step-index fiber, has a spectral bandwidth of about 0.5 nm. After passing through a piece of the passive fiber, a polarization extinction ratio higher than 16 dB has been achieved. PMID- 29216094 TI - Analysis and reduction of the TDI CCD charge transfer image shift. AB - Based on the description of the charge transfer process of a time delay integration charge coupled device (TDI CCD), it is pointed out that the relative displacement of the target image and the transferred charge introduces the charge transfer image shift problem in a line transfer period, which leads to the decrease of the modulation transfer function (MTF) in the scanning direction. Based on the basic definition of MTF, the charge transfer image shift model of the TDI CCD is established. According to the quantitative calculation of this model, the MTF curves of the three-phase TDI CCD are obtained under the condition of different pulse widths of computer interface (CI) signals. The MTF changes with the pulse width of CI signals, and the maximum value at the spatial Nyquist frequency is obtained when the CI signals are equally spaced, which is difficult to achieve in the actual system because of the limitation of computed radiography readout signals. In this paper, we present the improved TDI CCD driving timing, which makes it possible to realize the equal interval distribution of CI signals by adjusting the technology compatibility kit signal. Finally, the experimental platform is built, and the MTF curves are calculated from the obtained target images. The result is consistent with the theoretical model. PMID- 29216095 TI - Absorption measurements in optical coatings by lock-in thermography. AB - We evaluate and apply lock-in thermography as a method to quantitatively evaluate absorption losses of optical coatings. The principle of the method consists of applying periodically modulated laser intensity on the coatings and to monitor the periodic surface temperature evolution with an infrared camera. By application of a lock-in correlation procedure and using calibrated absorption samples, it is possible to obtain quantitative absorption values and to obtain absorption mappings with spatial resolution that depends on the optical configuration. Numerical simulations and experiments were performed in the case of 10-60 W laser irradiation at 1060 nm on different single layer coatings and highly reflective mirrors. In the tested conditions, the measurement of absorption down to 1 ppm level could be reached. The advantages, limitations, and potential applications of the technique are discussed. PMID- 29216096 TI - Refractive index profilometry using the total internally reflected light field. AB - A full-field polarization-based technique is presented for quantitative evaluation of the spatial distribution of the refractive index in macro and micro samples. The sample is mounted on a glass-air interface of a prism, illuminated by a linearly polarized collimated light beam, and two intensity frames are digitally recorded with specific orientations of an analyzer. The pair of intensity data frames captured with this simple setup is combined through an algorithm specially developed for the purpose, to yield the phase difference between the transverse electric and transverse magnetic components of the total internally reflected light field. The phase difference is then related to the refractive index of the sample. Experimental results for refractive index variations in a laser-etched glass plate and red blood corpuscles are presented. One of the salient features of the proposed technique is that the depth of measurement is dependent on the penetration depth of the sample's evanescent field, which is typically of the order of a few hundred nanometers, thereby facilitating refractive index measurements along a thin section of the sample. PMID- 29216097 TI - Illumination-related errors in limited-angle optical diffraction tomography. AB - In the paper, the design and tolerances of optical systems and scanning components used in limited-angle optical diffraction tomography are analyzed in order to improve the performance of the measurement systems and to encourage the application of tomography as a standard method for quantitative analysis of 3D refractive index distribution in biological microstructures. The first part of the presented analysis consists of component selection for the scanning device and optical system in the illumination part of the setup and the influence of the illumination wavefront on reconstruction quality. In the second part, the sensitivity of the tomographic reconstruction quality to three representative measurement-related errors based on synthetic data is demonstrated. Finally, a configuration of the system, selected to minimize reconstruction errors, is proposed and alignment tolerances simulated using the Monte Carlo method are provided. PMID- 29216098 TI - Planar self-calibration for stereo cameras with radial distortion. AB - In this paper, we present a robust technique of stereo calibration using homography constraints. Our method is novel as stereo calibration is performed by solving a polynomial equation system including two radial distortion parameters, using a minimal number of five image point correspondences. This enables us to calibrate from only a pair of stereo images of a planar scene, and to provide the exact algebraic solution to the stereo calibration problem. The minimal case solution is useful to reduce the computation time and increase the calibration robustness when using random sample consensus (RANSAC) from the correspondences of the stereo image pair. Further, a non-linear parameter optimization for the intrinsic and extrinsic parameters of stereo cameras is performed using the inliers, which are determined after RANSAC. In addition, our method can achieve more robust calibration results with multiple stereo image pairs by performing joint optimization. In contrast to the previous stereo calibration methods, our method works without requiring any special hardware and has no problems with one stereo image pair, even corrupted by severe radial distortions. Finally, by evaluating our method on both synthetic and real scene data, we demonstrate that our method is both efficient and accurate for stereo calibration. PMID- 29216099 TI - Analysis of weighted subspace fitting and subspace-based eigenvector techniques for frequency estimation for the coherent Doppler lidar. AB - Since the periodogram maximum (PM) algorithm fails to provide consistent estimates, more robust techniques are developed, especially in a low signal-to noise ratio (SNR) regime. The methods are formulated in a subspace fitting-based framework, such as the eigenvector (EV) method and the proposed weighted subspace fitting (WSF) method by introducing an optimal weighting matrix, which exploits the low-rank properties of the covariance matrix of the coherent Doppler lidar echo data. Simulation results reveal that the number of the reliable estimates by the WSF method is more than the other two methods, and the standard deviation is the smallest. Furthermore, the predicted best-fit Gaussian model for the probability density function of the estimates has a narrower spectral width than that of PM and EV methods. Experimental results also validate the simulation results, which show that the WSF approach outperforms the PM and EV algorithms in the furthest detectable range. The proposed method improves the detection range approximately up to 14.2% and 26.6% when compared to the EV method and the PM method, respectively. In conclusion, the proposed method can reduce the statistical uncertainties and enhance the accuracy in wind estimation specifically for a low SNR regime. PMID- 29216101 TI - Three-dimensional range geometry compression via phase encoding. AB - One of the state-of-the-art methods for three-dimensional (3D) range geometry compression is to encode 3D data within a regular 24-bit 2D color image. However, most existing methods use all three color channels to solely encode 3D data, leaving no room to store other information (e.g., texture) within the same image. This paper presents a novel method which utilizes geometric constraints, inherent to the structured light 3D scanning device, to reduce the amount of data that need be stored within the output image. The proposed method thus only requires two color channels to represent 3D data, leaving one channel free to store additional information (such as a texture image). Experimental results verify the overall robustness of the proposed method. For example, a compression ratio of 3038:1 can be achieved, versus the STL format, with a root-mean-square error of 0.47% if the output image is compressed with JPEG 80%. PMID- 29216100 TI - Emission spectroscopy of expanding laser-induced gaseous hydrogen-nitrogen plasma. AB - Microplasma is generated in an ultra-high-pure H2 and N2 gas mixture with a Nd:YAG laser device that is operated at the fundamental wavelength of 1064 nm. The gas mixture ratio of H2 and N2 is 9 to 1 at a pressure of 1.21 +/- 0.03 105 Pa inside a chamber. A Czerny-Turner-type spectrometer and an intensified charge coupled device are utilized for the recording of plasma emission spectra. The line-of-sight measurements are Abel inverted to determine the radial distributions of electron number density and temperature. Recently derived empirical formulas are utilized for the extraction of values for electron density. The Boltzmann plot and line-to-continuum methods are implemented for the diagnostic of electron excitation temperature. The expansion speed of the plasma kernel maximum electron temperature amounts to 1 km/s at a time delay of 300 ns. The microplasma, initiated by focusing 14 ns, 140 mJ pulses, can be described by an isentropic expansion model. PMID- 29216102 TI - Wave diffraction by a reflectionless half-plane. AB - The concept of reflectionless surface is put forth, and its reflection and transmission coefficients are determined by using the scattered geometrical optics fields of transmissive and perfectly electric conducting surfaces. The boundary condition of the surface is introduced. The scattering problem of plane waves by a reflectionless half-screen is studied. The solution is investigated numerically. PMID- 29216103 TI - Digital quantification of DNA by mapping polarization degree related with coding gold nanorods. AB - The development of highly sensitive and low-cost methods for detecting DNA is of critical importance. Here, we describe a strategy for the highly sensitive and low-cost digital detection of target DNA. Individual DNA molecules were encoded with a single gold nanorod (Au NR), which was then separated and enriched using the magnetic immune-separation process, followed by dehybridization and dispersion into a buffer solution and immobilization on glass slides for polarized dark-field microscopic imaging. With the imaging we can get the first three data sets of the Stokes vector, and the experimental degree of the linear polarization of the light scattered by the Au NR was obtained. Using the Monte Carlo simulation program, the Muller matrix of the Au NRs was simulated and the simulated degree of the linear polarization was calculated to be 0.58. Based on the experimental and simulated degree of the linear polarization, the Au NRs were identified and quantified with an in-house Matlab program, and the concentration of the target DNA at the femtomolar level was therefore achieved. PMID- 29216104 TI - Simplified freeform optics design for complicated laser beam shaping. AB - Control of the optical fields of laser beams, i.e., laser beam shaping, is of great importance to many laser applications. Freeform optics offers plenty of advantages for complex beam shaping requirements, including precise beam control, energy efficiency, compact structure, and relatively low cost. We present a modified ray-mapping method to simplify the freeform optics design for complicated optical field control and achieve a challenging task of producing two prescribed beam profiles on two successive target planes. This method begins by calculating an approximate output ray sequence that connects the two prescribed beam profiles and a corresponding input ray sequence. After setting an initial profile of the first freeform optical surface on the input ray sequence, we can obtain the second freeform optical surface based on the optical path length constancy between the given input wavefront and the computed output wavefront. Then, we can acquire all the normal vectors of the first freeform optical surface using Snell's law and approximately reconstruct the first freeform optical surface by solving a relationship between the surface points and normal vectors using a fast least squares method. The surface construction process is repeated until the stop criterion is satisfied. We design three freeform lenses, and Monte Carlo simulations demonstrate their abilities of simultaneously producing two challenging beam profiles from a divergent Gaussian beam. PMID- 29216105 TI - Optical fiber shape sensing of polyimide skin for a flexible morphing wing. AB - This paper presents the 3D shape sensing of polyimide thin film skin for a flexible morphing wing using fiber Bragg grating (FBG) sensors. The calibration curves of the FBG sensors are measured experimentally to ensure relative accurate conversion between Bragg wavelength shift (BWS) and bending curvature of the polyimide skin. The reflection spectra of the FBG sensors are measured at different airfoil profiles, and the variation tendency of the BWS values with the airfoil profiles are analyzed. The bending curvatures of the polyimide thin film skin at different airfoil profiles are calculated using the measured BWS values of the FBG sensors and the linear interpolation algorithm. The 3D shapes of the polyimide skin at different airfoil profiles are reconstructed based on the measured bending curvatures and the interpolation and curve fitting functions. The 3D precise visual measurements are conducted using a digital photogrammetry system, and then the correctness of the shape reconstruction results are verified. The results prove that the maximum error between the 3D visual and FBG measurements is less than 5%. The FBG sensing method is effective for the shape sensing of polyimide skin for flexible morphing wing. PMID- 29216106 TI - Full four-dimensional and reciprocal Mueller matrix bidirectional reflectance distribution function of sintered polytetrafluoroethylene. AB - We measured the Mueller matrix bidirectional reflectance distribution function (BRDF) of a sintered polytetrafluoroethylene (PTFE) sample over the scattering hemisphere for six incident angles (0 degrees -75 degrees in 15 degrees steps) and for four wavelengths (351 nm, 532 nm, 633 nm, and 1064 nm). The data for each wavelength were fit to a phenomenological description for the Mueller matrix BRDF, which is an extension of the bidirectional surface scattering modes developed by Koenderink and van Doorn [J. Opt. Soc. Am. A.15, 2903 (1998)JOAOD60740-323210.1364/JOSAA.15.002903] for unpolarized BRDF. This description is designed to be complete, to obey the appropriate reciprocity conditions, and to provide a full description of the Mueller matrix BRDF as a function of incident and scattering directions for each wavelength. The description was further extended by linearizing the surface scattering mode coefficients with wavelength. This data set and its parameterization provides a comprehensive on-demand description of the reflectance properties for this commonly used diffuse reflectance reference material over a wide range of wavelengths. PMID- 29216107 TI - Fabrication of ultra-high numerical aperture GeO2-doped fiber and its use for broadband supercontinuum generation. AB - We report the fabrication, characterization, and application (broadband supercontinuum [SC] generation) of ultra-high numerical-aperture heavily (50 mol. %) GeO2-doped optical fiber, obtained through a modified chemical vapor deposition process and rod-in-tube method. The formation of Ge-related diamagnetic defect centers, such as germanium oxygen defect centers (GeODC) with nonbridging lone electron pairs, confirmed by x-ray photoelectron spectroscopy and optical absorption studies, inducing hypolarizable local dipoles, may be responsible in boosting the nonlinear effects and enhancing stimulated Raman scattering at pumping with high-power pulses, culminating in generation of broadband SC generation. The SC spans toward the Stokes side up to 2.4 MUm, under the action of ns-range pulses launched from a smartly Q-switched erbium-doped fiber laser with operation wavelength (1.56 MUm) matching the zero-dispersion wavelength of the high GeO2-doped fiber. PMID- 29216108 TI - Phase retrieval in moire volume computed tomography based on spatial phase shifting by triple-crossed gratings. AB - Due to its advantages of nonintrusiveness, wide measurement range, and insensitivity to variation, Moire deflectometry is a powerful tool for quantitative measurement of a flow field's physical parameters such as density and temperature. Moire volume computed tomography (MVCT), combining the moire deflectometry and volume optical computed tomography (VOCT), can realize real three-dimensional parameters reconstruction, in which the radial derivatives extraction of the projected phase is of great importance. In this paper, a spatial phase-shifting-interferometry-based MVCT system was proposed to extract the radial shearing phase distribution. The system is simple and compact, and consists of three crossed gratings and lenses, with no wave plates or polarizers introduced. Via using a 4-f system, the optical path was shortened, and four spatial phase-shifting grid moire projections can be obtained simultaneously. Each grid interferogram was filtered and separated into two linear interferograms in two orthogonal directions. Moreover, a two-step spatial phase-shifting algorithm was applied to obtain the first-order derivative phase in two mutually perpendicular directions, respectively. Simulations were implemented to verify the feasibility and accuracy of the proposed phase retrieval method. The measured results for the radial first-order partial derivative of the phase projection of a propane flame in the experimental VOCT system are presented. PMID- 29216109 TI - Lattice-induced modulators at terahertz frequencies. AB - We measured the transmission spectra of an array of split-ring resonators (SRRs) up to 10 terahertz for parallel and perpendicular polarizations. Calculations of the lattice and plasmon mode dispersion relations, in combination with electromagnetic simulations, confirm the presence of multiple higher-order lattice and plasmon modes. We modify the quality factor of higher-order plasmon resonances by modulating the lattice-plasmon mode coupling via changes in the period of the array. We also propose single frequency switches and a broadband dual-state amplitude modulator based on structured illumination that actively modifies the period of the SRR array. PMID- 29216110 TI - Resonant cavities with phase-changing materials. AB - Phase changing materials are commonly used for optical switching, limiting, and sensing. In many important cases, the change in the transmission characteristics of the optical material is caused by light-induced heating. We demonstrate that the incorporation of such optical materials in judiciously designed photonic structures can dramatically alter the light-induced phase change, as well as the transmission characteristics of the entire photonic structure. Possible practical implications are discussed. PMID- 29216111 TI - Effect of dark counts on single-photon heralding with quasi-number-resolving detection schemes. AB - We consider photon heralding with quasi-number-resolving detection schemes and account for detection efficiencies and dark count probabilities. With a straightforward formalism, we develop closed-form expressions for the heralding probability, photon number distribution of the resulting heralded state, and fidelity of this heralded state to a single-photon state. We calculate that this fidelity has a maximum as a function of the number of multiplexed detection modes and that, for experimental configurations in which the maximum is reached for quite a large number of detection modes, it can still be highly beneficial to multiplex fewer modes. PMID- 29216112 TI - Real-time physical random bit generation at Gbps based on random fiber lasers. AB - We demonstrate for the first time, to the best of our knowledge, a high-speed physical random bit generator at gigabits/second without the time-delay signature based on chaotic power fluctuations of a random fiber laser. The random fiber laser is configured using a ring structure with semiconductor optical amplifiers as the optical gain and a fiber random grating as the random feedback medium. The long-length ring cavity provides a large number of densely spaced cavity modes that co-exist within the gain bandwidth tailored by the optical filter. Unlike fixed cavity modes in conventional fiber ring lasers, these modes are less phase correlated due to the random distributed feedback from the fiber random grating fabricated by a plane-by-plane inscription technique without phase control, leading to intensified lasing output fluctuations with high-dimensional chaotic dynamic natures without specific cavity features, when the random fiber laser is operated slightly above the lasing threshold. Random bit generation at a bit rate up to ~1.6 Gbps is achieved with verified randomness through standard tests. Different from the previously reported schemes requiring offline post-processing procedures, this physical random number generator can function in real time, offering high-quality randomness and security assurance for pertinent applications. PMID- 29216113 TI - Scaled model guidelines for solar coronagraphs' external occulters with an optimized shape. AB - One of the major challenges faced by externally occulted solar coronagraphs is the suppression of the light diffracted by the occulter edge. It is a contribution to the stray light that overwhelms the coronal signal on the focal plane and must be reduced by modifying the geometrical shape of the occulter. There is a rich literature, mostly experimental, on the appropriate choice of the most suitable shape. The problem arises when huge coronagraphs, such as those in formation flight, shall be tested in a laboratory. A recent contribution [Opt. Lett.41, 757 (2016)OPLEDP0146-959210.1364/OL.41.000757] provides the guidelines for scaling the geometry and replicate in the laboratory the flight diffraction pattern as produced by the whole solar disk and a flight occulter but leaves the conclusion on the occulter scale law somehow unjustified. This paper provides the numerical support for validating that conclusion and presents the first-ever simulation of the diffraction behind an occulter with an optimized shape along the optical axis with the solar disk as a source. This paper, together with Opt. Lett.41, 757 (2016)OPLEDP0146-959210.1364/OL.41.000757, aims at constituting a complete guide for scaling the coronagraphs' geometry. PMID- 29216114 TI - Packed Yagi-Uda nano-antennas using a unidirectional feed at visible wavelengths. AB - Optical nano-antennas' capability for controlling the intensity and direction of freely propagating waves is a precursor to demanding on-chip optical communications. Here we present a novel and efficiently packed Yagi-Uda (P-YU) nano-antenna which is dramatically directive and shortened. This is due to the excitation of a pair of strong interacting Au nanorods as a feed in the form of conventional Yagi-Uda (YU). Using a sophisticated feed with a unidirectional radiation pattern in a wavelength close to the antiphase hybridized plasmon causes significant directionality in the designed nano-antennas' emission. This allows us to reduce the number of directors or overall size while directivity and gain of the P-YU antenna considerably improve at about 610 nm. PMID- 29216115 TI - Efficient wavelength conversion with low operation power in a Ta2O5-based micro ring resonator. AB - The Ta2O5-based micro-ring resonator with an unloaded quality factor of 182,000 has been demonstrated to realize efficient nonlinear wavelength generation. The propagation loss of the resonator is 0.5 cm-1, and the buildup factor of the ring resonator is estimated to be ~50. With a high buildup factor of the ring structure, the four-wave-mixing (FWM) conversion efficiency of -30 dB is achieved in the resonator with a pump power of 6 mW. Based on power-dependent FWM results, the nonlinear refractive index of Ta2O5 is estimated to be 1.4*10-14 cm2/W at a wavelength of ~1550 nm. The demonstration of an enhanced FWM process in the Ta2O5-based micro-ring cavity implies the possibility of realizing FWM based optical parametric oscillation in a Ta2O5-based micro-ring resonator. PMID- 29216116 TI - Terahertz spectrum splitting by a graphene-covered array of rectangular grooves. AB - We propose a bidirectional terahertz (THz) spectrum splitter using a practically simple metamaterial structure consisting of rectangular grooves covered by graphene. Thanks to the graphene optoelectronic tunability and by adjusting the grooves width, this structure provides nearly 2pi phase shift. At the same time, the reflection efficiency is acceptable throughout the phase shifts. We design each of the meta-atoms using a circuit model, and then we synthesize the final supercell based on the generalized Snell's law so that the structure reflects different frequency waves to totally different directions. The full-wave simulations demonstrate the beam splitting with a remarkable efficiency of around 80%. PMID- 29216117 TI - Nanometer-scale luminescent thermometry in bovine embryos. AB - Luminescent nanothermometry is a powerful tool that can precisely monitor temperature changes in animal embryos. Among the most sensitive nanoluminescent temperature sensors are fluorescent nanodiamonds (FNDs), having nitrogen-vacancy color centers, and lanthanide-ion-doped upconversion nanoparticles (UCNPs). Here, we investigate their use as nanothermometers inside bovine embryos. The motivation for using both FNDs and UCNPs to measure temperature is to avoid the question of sensor confusion by the local cellular environment. Specifically, by simultaneously measuring temperature using two different modalities having different physics, it is possible to greatly improve the measurement confidence, thereby directly addressing the recent controversy surrounding temperature measurements in living organisms. PMID- 29216118 TI - Adaptive classifier allows enhanced flow contrast in OCT angiography using a histogram-based motion threshold and 3D Hessian analysis-based shape filtering. AB - In this Letter, we propose an adaptive digital classifier for flow contrast enhancement in optical coherence tomography angiography (OCTA). To solve the depth dependence in the initial motion-based classification, a depth-adaptive motion threshold was determined by performing a histogram analysis of an en-face image at each depth and identifying the static and dynamic voxel populations through fitting. In the follow-up shape-based classification, to adapt to the deformed vessel shapes in OCTA, a modified vesselness function along with an anisotropic Gaussian probe kernel was defined, and then a three-dimensional (3D) Hessian analysis-based shape filtering was utilized for effectively removing the residual static voxels. The experimental outcomes validated that the proposed adaptive digital classifier enabled a superior flow contrast by combining both the motion and 3D shape information. PMID- 29216119 TI - High-peak-power mode-locking pulse generation in a dual-loss-modulated laser with BP-SA and EOM. AB - In this Letter, a high-quality black phosphorus saturable absorber (BP-SA) with a multilayer structure was prepared, and its corresponding characteristics were investigated. Based on the BP-SA and an electro-optic modulator (EOM), a dual loss-modulated mode-locked laser with a controllable repetition rate and high peak power was realized, which has the repetition rate of EOM and the mode locking pulse width in the Q-switching and mode-locking laser. The output performances versus the pump power were measured. The maximum pulse peak power of 3.89 MW was obtained with the minimum pulse duration of 119 ps. To the best of our knowledge, this is the highest pulse peak power with BP-SA reported. PMID- 29216120 TI - Cavity length matching and optical resonances in a Raman laser with the multimode pump source. AB - We report on the observation of local reduction in generation threshold and enhancement in the output energy of a nanosecond Raman laser when the round-trip time of its cavity is matched with that of a longitudinally multimode pump laser or related to the latter as a ratio of small integers. We refer both observations to the synchronous pump effect originating from the periodicity in the small scale intensity structure of the pump pulse. PMID- 29216121 TI - Surface nanoscale axial photonics at a capillary fiber: publisher's note. AB - This publisher's note corrects the surname of one of the authors of Opt. Lett.42, 3060 (2017)OPLEDP0146-959210.1364/OL.42.003060. PMID- 29216122 TI - Delay line coherent pulse stacking. AB - Ultrafast fiber amplifiers are usually limited in terms of pulse energy and peak power due to fiber damage and nonlinearities. On the other hand, fiber amplifiers are very energy efficient. To take advantage of this efficiency, but still scale the pulse energy, coherent combining and pulse stacking have become the method of choice. Here we show how to directly and symmetrically stack up the pulses from an oscillator chain, using delay lines and phase preshaping of a 48 MHz, 1.5 MUm master oscillator. This method avoids the need for high-power low-loss dumpers as in passive stack and dump cavities and, compared to divided pulse amplification (DPA), it eliminates the need for splitting pulses and pulse picking and, thus, optimally utilizes the available seed power. Furthermore, it avoids the asymmetrical gain of the pulse bursts, which typically limits the efficiency in DPA. PMID- 29216123 TI - Variable-temperature variable-field magnetic circular photoluminescence (VTVH MCPL) spectroscopy for electronic-structure determination in nanoscale chemical systems. AB - In this Letter, we describe variable-temperature variable-field magnetic circular photoluminescence (VTVH-MCPL) spectroscopy as a complementary technique to absorption-based magnetic circular dichroism. A paramagnetic model system, Au25(SC8H9)18, is chosen to demonstrate the information content that is obtained from VTVH-MCPL. Specifically, the methods and analyses for the determination of electronic Lande g-factors, zero-field energy splittings, and relative A-, B-, and C-term contributions to the MCPL response are detailed. The determination of these system properties from photoluminescence data suggests the feasibility of point-source-based super-resolution magneto-optical microscopy. PMID- 29216124 TI - Phase-shifting digital holographic microscopy by using a multi-camera setup. AB - In this Letter, the use of two-coupled Mach-Zehnder interferometers for four pi/2 phase shifting interferometry is introduced. A multi-camera arrangement using no more than beam splitters and mirrors is utilized to obtain in a single shot the needed phase-shifted interferograms in the different output channels of the setup. The simplicity of the setup makes it ideal for high-speed interferometry applications. This proposal is validated in digital holographic microscopy to visualize a biological sample of epidermal onion cells. PMID- 29216125 TI - Transfer of chirality from light to a Disperse Red 1 molecular glass surface. AB - Chiral structures and materials interact with light in well-documented ways, but light can also interact with achiral materials to generate chirality by inscribing its asymmetric configuration on photoresponsive materials, such as azobenzene derivatives. While it is thus possible to generate both two dimensional (2D) and three-dimensional (3D) chirality, 2D chirality is especially attractive because of its non-reciprocity. Herein, 2D chirality is induced on the surface of a glass-forming Disperse Red 1 derivative by irradiation with a single laser beam, yielding crossed spontaneous surface relief gratings with different pitches. Azimuth rotations up to 10 degrees have been observed, and the absence of 3D chirality has been confirmed. This method thus allows generating non reciprocal planar chiral objects by a simple, single irradiation process on a thin film of a material that can easily be processed over large areas or onto small objects. PMID- 29216126 TI - Highly nonlinear yttrium-aluminosilicate optical fiber with a high intrinsic stimulated Brillouin scattering threshold. AB - Highly nonlinear (high-NA small-mode-area) optical fibers also possessing an intrinsically high stimulated Brillouin scattering threshold are described. More specifically, silica clad, yttrium-aluminosilicate core fibers are shown to exhibit an intrinsically low Brillouin gain coefficient between 0.125 and 0.139*10-11 m/W and a Brillouin gain linewidth of up to 500 MHz. Losses on the order of 0.7 dB/m were measured, resulting from impurities in the precursor materials. Nonlinear refractive index values are determined to be similar to that of silica, but significant measurement uncertainty is attributed to the need to estimate dispersion curves since their direct measurement could not be made. The interest for highly nonlinear optical fibers with a low intrinsic Brillouin gain coefficient is expected to continue, especially with the growing developments of narrow-linewidth high-energy laser systems. PMID- 29216127 TI - Monolithic III-nitride photonic integration toward multifunctional devices. AB - The multiple functionalities of III-nitride semiconductors enable the integration with different components into a multicomponent system with enhanced functions. Here, we propose to fabricate and characterize a monolithic InGaN photonic circuit of a transmitter, waveguide, and receiver on an III-nitride-on-silicon platform. Both the transmitter and the receiver, sharing identical InGaN/GaN multiple-quantum-well structures and fabrication procedures, work to emit light and detect light independently. The 8 MUm wide and 200 MUm long InGaN waveguide couples the modulated light from the transmitter and sends the guided light to the receiver, leading to the formation of an in-plane light transmission system. The induced photocurrent at the receiver is highly sensitive to the light output of the transmitter. Multi-dimensional light transmissions are experimentally demonstrated at 200 Mb/s. These multifunctional photonic circuits open feasible approaches to the development of III-nitride multicomponent systems with integrated functions for comprehensive applications in the visible region. PMID- 29216128 TI - Experimental measurement of supercontinuum coherence in tellurite photonic crystal fibers. AB - Spectral and coherence evolutions were measured for supercontinuum (SC) generated in a 2.7 cm highly nonlinear tellurite photonic crystal fiber. Numerical simulations were performed based on the generalized nonlinear Schrodinger equation with noise. The measurements show that coherence degradation first occurs after soliton fission, and then spreads to longer wavelengths as the average power of the SC increases. The solitonic coherence shows much slower degradation than the overall coherence. PMID- 29216129 TI - Output power enhancement of a self-frequency-doubled laser by selective excitation of inequivalent active centers in La2CaB10O19 (Nd:LCB) crystal. AB - We demonstrated the output power enhancement of a self-frequency-doubled laser with Nd3+-doped lanthanum calcium borate La2CaB10O19 (Nd:LCB) crystals by selective excitation of its inequivalent active centers. When the Nd3+ ions located in the Ca2+ sites were excited in the Nd:LCB crystal, the fundamental laser at the wavelength of 1066 nm was successfully realized, which can keep the self-frequency-doubled wavelength away from the self-absorption peak of Nd3+ ions at about 523 nm. By optimizing the key parameters, the maximum output power of 801 mW was achieved with the frequency-doubling at the wavelength of 533 nm, and the enhancement of output power was about 7.8 times compared with the results by excitation of Nd3+ ions in the La3+ sites. Up to now, this output power of the self-frequency-doubled laser represents the highest one in the Nd:LCB crystal, and the efficient emission at 533 nm should have promising applications in the visible range, such as laser displays, optical data storage, laser printing, etc. Meanwhile, the selective excitation of inequivalent active ions and the enhancement of the self-frequency-doubled laser may provide some inspiration for the investigation of multi-functional materials. PMID- 29216130 TI - Third-order nonlinearity OPO: Schmidt mode decomposition and tripartite entanglement. AB - We investigate quantum properties of light in optical parametric oscillators (OPOs) based on four-wave mixing gain in media with third-order nonlinearities. In spite of other competing chi(3) effects such as phase modulation, bipartite and tripartite entanglement is predicted above threshold. These findings are relevant for recent implementations of complementary metal-oxide-semiconductor (CMOS)-compatible on-chip OPOs. PMID- 29216131 TI - Controllable symmetric and asymmetric spin splitting of Laguerre-Gaussian beams assisted by surface plasmon resonance. AB - The spin splitting of light beams carrying orbital angular momentum (OAM) is investigated theoretically in attenuated internal reflection in the Kretschmann configuration. The excitation of the surface plasmon resonance (SPR) can significantly enhance the OAM-induced Imbert-Fedorov (IF) shift and the OAM dependent spin splitting. The cooperation effect of these two shifts will result in an asymmetric spin splitting, which varies with the incident angle and polarization state. Specially, at the SPR angle, the OAM-induced IF shift vanishes, and the OAM-dependent spin splitting will cause a symmetric spin splitting. However, when the incident beam is horizontally polarized, the OAM induced IF shift predominates. Thus the two spin components of the reflected will not be split; instead, they will be shifted together. This flexible control of the optical spin splitting can find applications in quantum information and precision metrology. PMID- 29216132 TI - Extinction by a homogeneous spherical particle in an absorbing medium. AB - We use a recent computer implementation of the first-principles theory of electromagnetic scattering to compute far-field extinction by a spherical particle embedded in an absorbing unbounded host. Our results show that the suppressing effect of increasing absorption inside the host medium on the ripple structure of the extinction efficiency factor as a function of the size parameter is similar to the well-known effect of increasing absorption inside a particle embedded in a nonabsorbing host. However, the accompanying effects on the interference structure of the extinction efficiency curves are diametrically opposite. As a result, sufficiently large absorption inside the host medium can cause negative particulate extinction. We offer a simple physical explanation of the phenomenon of negative extinction consistent with the interpretation of the interference structure as being the result of interference of the field transmitted by the particle and the diffracted field due to an incomplete wavefront resulting from the blockage of the incident plane wave by the particle's geometrical projection. PMID- 29216133 TI - Broadband mode switch based on a three-dimensional waveguide Mach-Zehnder interferometer. AB - We propose a mode switch that operates on modulating the optical phases of a three-dimensional balanced four-arm waveguide Mach-Zehnder interferometer. We design and fabricate the device with polymer material to achieve thermo-optic switching between any two of the E11, E21, E12, and E22 modes of the waveguide. Our experimental device shows an extinction ratio higher than 14 dB and a switching time shorter than 3.7 ms, measured with the E11 mode switched to any of the other modes at 1550 nm. This mode switch can operate over a wide range of wavelengths with weak polarization dependence and could be used in reconfigurable fiber-based mode-division-multiplexing systems where mode routing is required. PMID- 29216134 TI - Spatially multiplexed orbital-angular-momentum-encoded single photon and classical channels in a free-space optical communication link. AB - We experimentally demonstrate spatial multiplexing of an orbital angular momentum (OAM)-encoded quantum channel and a classical Gaussian beam with a different wavelength and orthogonal polarization. Data rates as large as 100 MHz are achieved by encoding on two different OAM states by employing a combination of independently modulated laser diodes and helical phase holograms. The influence of OAM mode spacing, encoding bandwidth, and interference from the co-propagating Gaussian beam on registered photon count rates and quantum bit error rates is investigated. Our results show that the deleterious effects of intermodal crosstalk effects on system performance become less important for OAM mode spacing Delta>=2 (corresponding to a crosstalk value of less than -18.5 dB). The use of OAM domain can additionally offer at least 10.4 dB isolation besides that provided by wavelength and polarization, leading to a further suppression of interference from the classical channel. PMID- 29216135 TI - Improved lateral resolution with an annular vortex depletion beam in STED microscopy. AB - We report on the experimental demonstration of improved lateral resolution in stimulated emission depletion (STED) microscopy using an annular depletion beam configuration. A tight and finely tuned doughnut focal spot can be created by annular vortex illumination. Its application in STED microscopy for enhanced lateral resolution is systematically investigated by imaging 40 nm fluorescent beads. An improved resolution with more than 20% reduced effective point spread function of the imaging system determined by the full width at half-maximum compared to that of the conventional STED is achieved. The proposed scheme also demonstrates its resolving capability for biological samples. The principle holds great potential in the research fields of biological superresolution imaging as well as STED-based nanolithography and high-density optical data storage. PMID- 29216136 TI - Giant self-induced transparency of intense few-cycle terahertz pulses in n-doped silicon. AB - The results of high-field terahertz transmission experiments on n-doped silicon (carrier concentration of 8.7*1016 cm-3) are presented. We use terahertz pulses with electric field strengths up to 3.1 MV cm-1 and a pulse duration of 700 fs. A huge transmittance enhancement of ~90 times is observed with increasing of the terahertz electric field strengths within the range of 1.5-3.1 MV cm-1. PMID- 29216137 TI - Generation of 70-fs pulses at 2.86 MUm from a mid-infrared fiber laser. AB - We propose and demonstrate a simple route to few-optical-cycle pulse generation from a mid-infrared fiber laser through nonlinear compression of pulses from a holmium-doped fiber oscillator using a short length of chalcogenide fiber and a grating pair. Pulses from the oscillator with 265-fs duration at 2.86 MUm are spectrally broadened through self-phase modulation in step-index As2S3 fiber to 141-nm bandwidth and then re-compressed to 70 fs (7.3 optical cycles). These are the shortest pulses from a mid-infrared fiber system to date, and we note that our system is compact, robust, and uses only commercially available components. The scalability of this approach is also discussed, supported by numerical modeling. PMID- 29216138 TI - Discovery of high-gain stimulated polariton scattering near 4 THz from lithium niobate. AB - Lithium niobate is the most popular material for terahertz wave generation via stimulated polariton scattering (SPS), previously known to have a gain peak near 2 THz. Here we report the discovery of another phase-matched gain peak near 4 THz in lithium niobate, which greatly extends the useful gain spectrum of lithium niobate. Despite the relatively high 4 THz absorption in lithium niobate, the 4 THz SPS becomes dominant over the 2 THz one in an intensely pumped short lithium niobate crystal due to less diffraction-induced absorption and mode-area mismatch. We also demonstrate a signal-seeded OTPO that generates 1.4 nJ at 4.2 THz from lithium niobate with 17.5 mJ pump energy. PMID- 29216139 TI - Integrated broadband Ce:YIG/Si Mach-Zehnder optical isolators with over 100 nm tuning range. AB - We demonstrate integrated optical isolators with broadband behavior for the standard silicon-on-insulator platform. We achieve over 20 dB of optical isolation across 18 nm of optical bandwidth. The isolator is completely electrically controlled and does not require a permanent magnet. Furthermore, we demonstrate the ability to tune the central operating wavelength of the isolator across 100 nm, which covers the entire S + C telecom bands. These devices show promise for integration in optical systems in which broadband isolation is needed such as wavelength multiplexed systems or optical sensors. PMID- 29216140 TI - Modified calculation method of relative sensitivity for fluorescence intensity ratio thermometry. AB - The calculation method of relative sensitivity (Sr) for fluorescence intensity ratio (FIR) thermometry is discussed, taking the F33-H63 and H43-H63 transitions of Tm3+ as examples. The value of Sr is calculated using its original definition, and is found to largely deviate from the result obtained using the conventional method that is widely used at present. This deviation is found to stem from the neglect of an offset. A modified expression of Sr is proposed, which shows the true performance of FIR technology and makes it possible to precisely compare the Sr values obtained using various methods. PMID- 29216141 TI - Subharmonic anti-phase dynamics in coupled mode-locked semiconductor lasers. AB - We show that coupled mode-locked semiconductor lasers can operate in a subharmonic regime in which the two lasers pulsate in an anti-phase manner at one half the fundamental mode-locking frequency of the solitary lasers. In the subharmonic mode, each pulse has almost twice the energy carried by the isolated lasers in the fundamental mode-locked regime and is also significantly shorter in duration. Depending on the unsaturated gain and coupling strength, the lasers can also exhibit bistability, perfect synchronization, and delayed synchronization, as well as three-halves and five-halves harmonic mode locking. The observed behaviors are robust and persist in the presence of noise. PMID- 29216142 TI - Realization of a complementary medium using dielectric photonic crystals. AB - By exploiting the scaling invariance of photonic band diagrams, a complementary photonic crystal slab structure is realized by stacking two uniformly scaled double-zero-index dielectric photonic crystal slabs together. The space cancellation effect in complementary photonic crystals is demonstrated in both numerical simulations and microwave experiments. The refractive index dispersion of double-zero-index dielectric photonic crystal is experimentally measured. Using pure dielectrics, our photonic crystal structure will be an ideal platform to explore various intriguing properties related to a complementary medium. PMID- 29216143 TI - Ultra-compact waveguide crossing for a mode-division multiplexing optical network. AB - We propose and experimentally demonstrate an ultra-compact multimode waveguide crossing that can process two modes simultaneously. The symmetric Y-junction is introduced to split the high-order modes into fundamental ones, easing the subsequent processing. The footprint of the proposed crossing is as compact as 21 MUm*21 MUm. The measured results show an insertion loss of ~1.82 dB for the TE0 mode and ~0.46 dB for the TE1 mode at 1550 nm, as well as a crosstalk of < 18 dB from 1510 to 1600 nm. PMID- 29216144 TI - Robust terahertz polarizers with high transmittance at selected frequencies through Si wafer bonding technologies. AB - Terahertz (THz) polarizers with robust structure and high transmittance are demonstrated using 3D-integrated circuit (IC) technologies. A Cu wire-grid polarizer is sealed and well protected by Si-bonded wafers through a low temperature eutectic bonding method. Deep reactive-ion etching is used to fabricate the anti-reflection (AR) layers on outward surfaces of bonded wafers. The extinction ratio and transmittance of polarizers are between 20 dB and 33 dB, and 13 dB and 27 dB for 10 MUm and 20 MUm pitch wire-grids, respectively, and 100% at central frequency, depending on frequency and AR layer thickness. The process of polarizer fabrication is simple from mature semiconductor manufacturing techniques that lead to high yield, low cost, and potential for THz applications. PMID- 29216145 TI - Tailoring axial intensity of laser beams with a heart-shaped hole. AB - We demonstrated a simple heart-shaped hole to tailor the axial intensity of a collimated laser beam. This hole is transformed from a soft-boundary one, which avoids the difficulty in fabricating the soft-boundary mask designed by the apodization method, as well as the interference problem caused by the pixel structure of the spatial light modulator. When a collimated light passes through this hole, its axial intensity oscillates less than 11% within a certain distance, while the fluctuation after the circular aperture is up to 200%. We compared the propagation of beams after this hole and a circular aperture experimentally and theoretically. The results show that this hole is a useful tool to get the laser beam with uniform axial intensity. PMID- 29216146 TI - In situ laser measurement of oxygen concentration and flue gas temperature utilizing chemical reaction kinetics. AB - Combustion research requires detailed localized information on the dynamic combustion conditions to improve the accuracy of the simulations and, hence, improve the performance of the combustion processes. We have applied chemical reaction kinetics of potassium to measure the local temperature and O2 concentration in flue gas. An excess of free atomic potassium is created in the measurement volume by a photofragmenting precursor molecule such as potassium chloride or KOH which are widely released from solid fuels. The decay of the induced potassium concentration is followed with an absorption measurement using a narrow-linewidth diode laser. The temperature and O2 concentration are solved from the decay curve features using equations obtained from calibration measurements in a temperature range of 800 degrees C-1000 degrees C and in O2 concentrations of 0.1%-21%. The local flue gas temperature and O2 concentration were recorded in real time during devolatilization, char burning, and ash cooking phases of combustion in a single-particle reactor with a 5 Hz repetition rate. The method can be further extended to other target species and applications where the chemical dynamics can be disturbed with photofragmentation. PMID- 29216148 TI - Temporal spectrum of beam wander for Gaussian Schell-model beams propagating in atmospheric turbulence with finite outer scale: publisher's note. AB - This publisher's note corrects a typo in the title in Opt. Lett.38, 1887 (2013)OPLEDP0146-959210.1364/OL.38.001887. PMID- 29216147 TI - Wide-field interferometric measurement of a nonstationary complex coherence function. AB - Spatial coherence function (SCF) is a complex function of two spatial coordinates that, in general, carries more information than the bare intensity distribution. A fast and quantitatively accurate measurement of the SCF is extremely important for a range of applications in optical sensing and imaging. Here, we demonstrate an efficient two-step procedure for measuring the full-field complex coherence function. The measurement relies on an optimized design of a wavefront shearing interferometer capable of characterizing spatially inhomogeneous fields over an extended angular domain. The measurement precision is confirmed by the excellent agreement with a numerical estimation based on Fresnel calculations. We demonstrate that the sensitivity and the measurement range afforded by our instrument permits us to reliably describe the differences in the complex coherence functions that are due to subtle modifications in the shape, position, and orientation of radiation sources. PMID- 29216149 TI - On-chip wavelength locking for photonic switches. AB - We present an on-chip wavelength reference with a partial drop ring resonator and germanium photodetector. This approach can be used in ring-resonator-based wavelength-selective switches where absolute wavelength alignment is required. We use the temperature dependence of heater resistance as a temperature sensor. Additionally, we discuss locking speed, statistical variation of heater resistances, and tuning speed of the switches. PMID- 29216151 TI - Asynchronous and synchronous dual-wavelength pulse generation in a passively mode locked fiber laser with a mode-locker. AB - The evolution from asynchronous to synchronous dual-wavelength pulse generation in a passively mode-locked fiber laser is experimentally investigated by tailoring the intracavity dispersion. Through tuning the intracavity-loss dependent gain profile and the birefringence-induced filter effect, asynchronous dual-wavelength soliton pulses can be generated until the intracavity anomalous dispersion is reduced to ~8 fs/nm. The transition from asynchronous to synchronous pulse generation is then observed at an elevated pump power in the presence of residual anomalous dispersion, and it is shown that pulses are temporally synchronized at the mode-locker in the cavity. Spectral sidelobes are observed and could be attributed to the four-wave-mixing effect between dual wavelength pulses at the carbon nanotube mode-locker. These results could provide further insight into the design and realization of such dual-wavelength ultrafast lasers for different applications such as dual-comb metrology as well as better understanding of the inter-pulse interactions in such dual-comb lasers. PMID- 29216150 TI - Two-dimensional microbend sensor based on long-period fiber gratings in an isosceles triangle arrangement three-core fiber. AB - To realize the 2D microbend sensor, we design and fabricate two non-orthogonal long-period fiber gratings (LPFGs) in an isosceles triangle arrangement three core optical fiber which is made in our lab, making an isosceles triangle arrangement three-core optical fiber. To mark two directions without crosstalk, we write two different periods of LPFG in each of the two external cores and the central core, which induces a strong asymmetric refractive index arrangement in the fiber cross section. Theoretical analysis and experimental results verify that the resonant wavelength originates from the tunneling between the LP01 core mode in the center core and the external core. In the confirmation experiments, the proposed sensor can distinguish multiple bending directions and experiences a maximum sensitivity of 3.234 nm/m-1 with a bending range of 0-0.588 m-1. PMID- 29216152 TI - Noninvasive characterization of optical fibers. AB - Capillary optical fibers with hole diameters of several micrometers are important for novel plasmonic applications and medical diagnosis. In order to ensure the optical functionality of these fibers, the diameter of the capillary hole needs to be realized with high accuracy. Here, we introduce a novel and noninvasive methodology to characterize optical fibers and discuss it for the assessment of capillaries. In this method, the fiber is side-illuminated by a coherent beam, and the resulting diffraction pattern is analyzed. This corresponds to an in-line holographic measurement in the presence of strong scattering. A numerical parameter retrieval allows us to characterize the capillary hole diameter with an accuracy of approximately 100 nm for radii between several hundreds of nanometers and several tens of micrometers. PMID- 29216153 TI - Cr3+-doped Bi2Ga4O9-Bi2Al4O9 solid-solution phosphors: crystal-field modulation and lifetime-based temperature sensing. AB - Cr3+-doped Bi2Ga4O9-Bi2Al4O9 solid-solution (SS) phosphors were fabricated to explore their possible application in fluorescence lifetime-based temperature sensing. The present samples exhibited E2->A24 R-line emissions associated with T24->A24 phonon sideband emissions of Cr3+ in the wavelength range of 600-850 nm upon the excitation of visible light. Through modifying the Al/Ga ratio in the SS hosts, the Cr3+ crystal field was easily tuned from intermediate to strong, being beneficial to modulate an energy gap between E2 and T24 thermally coupled emitting states. As a result, linearly temperature-sensitive fluorescence lifetime was achieved in the Cr3+-doped Bi2Ga4O9-Bi2Al4O9 SSs with a high Al/Ga ratio, enabling us to conveniently and accurately determine a temperature with a high relative sensitivity of 2.13-3.26% K-1. PMID- 29216154 TI - Calibrated phase-shifting digital holography based on a dual-camera system. AB - A calibrated phase-shifting digital holography system based on the sampling Moire technique is proposed. Two synchronized cameras are used in this system. One is to record the conventional holograms that include the object information, and the other is to record the interference fringes to analyze phase-shifting errors. An algorithm for improving the quality of the reconstructed images is proposed. In this Letter, the effectiveness of the proposed system and algorithm is demonstrated in four-step phase-shifting digital holography. The quality of the reconstructed images is greatly improved from both the numerical simulation and experiment. PMID- 29216155 TI - Linear autocorrelation of partially coherent extreme-ultraviolet lasers: a quantitative analysis. AB - A quantitative interpretation method is described for experiments involving the linear autocorrelation of partially coherent extreme-ultraviolet (XUV) pulses, generated by either x-ray free-electron lasers or plasma-based XUV lasers. A recently published modeling method for partially coherent pulses is numerically implemented in that specific case. Analytical expressions for the statistical root-mean-square average of the fringe visibility are derived. The method yields unambiguous information on both the coherence time and the pulse duration, providing a valuable data interpretation tool. PMID- 29216156 TI - Butterfly-inspired micro-concavity array film for color conversion efficiency improvement of quantum-dot-based light-emitting diodes. AB - Inspired by the Papilio blumei butterfly, quantum-dot (QD) film coupled with micro-concavity array (MCA) films is proposed in this Letter to enhance color conversion efficiency (CCE) of QD-based light-emitting diodes (LEDs). The diameter, aspect ratio, and pitch of the MCA are optimized in the optical simulations. Both the simulation and experimental results show that the scattering and double reflection effects are the key to the CCE improvement of QD films. The results show that the CCEs are increased from 19.98% to 21.59% and 21.78% (350 mA) for single-sided microstructured QD film and double-sided microstructured QD film configurations, respectively. Overall, the MCA film is a promising solution to enhance the CCE of QD-based LEDs. PMID- 29216158 TI - Three-dimensional patterned graphene oxide-quantum dot microstructures via two photon crosslinking. AB - The two-photon crosslinking of graphene oxide-quantum dots (GOQDs) adopts rose Bengal as the photoactivator to induce the GOQD assembly process. Based on the Forster resonance energy transfer mechanism with oxygen as the crosslinking medium, three-dimensional patterned GOQD microstructures with near diffraction limit spatial resolution have been fabricated and analyzed by a multiphoton excited fabrication instrument/microscope. PMID- 29216159 TI - Cross-correlation photothermal optical coherence tomography with high effective resolution. AB - We developed a cross-correlation photothermal optical coherence tomography (CC PTOCT) system for photothermal imaging with high lateral and axial resolution. The CC-PTOCT system consists of a phase-sensitive OCT system, a modulated pumping laser, and a digital cross-correlator. The pumping laser was used to induce the photothermal effect in the sample, causing a slight phase modulation of the OCT signals. A spatial phase differentiation method was employed to reduce phase accumulation. The noise brought by the phase differentiation method and the strong background noise were suppressed efficiently by the cross-correlator, which was utilized to extract the photothermal signals from the modulated signals. Combining the cross-correlation technique with spatial phase differentiation can improve both lateral and axial resolution of the PTOCT imaging system. Clear photothermal images of blood capillaries of a mouse ear in vivo were successfully obtained with high lateral and axial resolution. The experimental results demonstrated that this system can enhance the effective transverse resolution, effective depth resolution, and contrast of the PTOCT image effectively, aiding the ongoing development of the accurate 3D functional imaging. PMID- 29216161 TI - Analytical registration of vertical image drifts in parallel beam tomographic data. AB - Reconstructing tomographic images of high resolution, as in x-ray microscopy or transmission electron microscopy, is often limited by the stability of the stages or sample drifts, which requires an image alignment prior to reconstruction. Feature-based image registration is routinely used to align images, but this technique relies on strong features in the sample or the application of gold tracer particles, for example. In this Letter, we present an analytic approach for achieving the vertical registration based on the inherent properties of the data acquired for tomographic reconstruction. It is computationally cheap to implement and can be easily integrated into existing reconstruction pipelines. PMID- 29216160 TI - Broadband rotary joint for high-speed ultrahigh-resolution endoscopic OCT imaging at 800 nm. AB - We report the development of a broadband rotary joint for high-speed ultrahigh resolution endoscopic optical coherence tomography (OCT) imaging in the 800 nm spectral range. This rotary joint features a pair of achromatic doublets in order to achieve broadband operation for a 3 dB bandwidth over 150 nm. The measured one way throughput of the rotary joint is greater than 80%, while the fluctuation of the double-pass coupling efficiency during 360 deg rotation is less than +/-5% at a near video-rate speed of 20 revolutions/s (rps). The rotary joint is used in conjunction with a diffractive-optics-based endoscope and 800 nm spectral domain OCT system and achieved an ultrahigh axial resolution of ~2.4 MUm in air. The imaging performance is demonstrated by 3D circumferential imaging of a mouse colon in vivo. PMID- 29216162 TI - Experimental demonstration of a single silicon ring resonator with an ultra-wide FSR and tuning range. AB - We present an experimental realization of a pseudo single-mode silicon ring resonator with an ultra-wide free spectral range and tuning range. The device is a single microring resonator with a tunable reflector integrated inside. The reflector is designed to have zero reflection for only one resonance of the ring, while all other resonances will suffer strong reflection. Given that the reflection inside a ring resonator leads to resonance splitting and degradation of the extinction ratio (ER), we obtain a ring resonator where only a single resonance has a large ER, while all others have a very low ER. The large ER resonance can be continuously tuned using metal heaters to achieve a broad tuning range over 55 nm with 16 mW of power injected into the phase shifter. PMID- 29216157 TI - Optical image cloning based on electromagnetic induced absorption. AB - We investigate, both theoretically and experimentally, optical image cloning via electromagnetic induced absorption (EIA). We demonstrate the transfer of small 2D real images imprinted onto a strong coupling beam to a weak probe beam in a Rb vapor cell. We show through EIA that the coupling beam's image is cloned beyond the usual diffraction, with a potential improvement in spatial resolution of the cloned image by a factor of three in comparison to that of the original coupling beam. Optical cloning through EIA is based on position selective nonlinear absorption, and it does not rely on spatial modulation of the refractive index. PMID- 29216163 TI - Fan-beam steering device using a photonic crystal slow-light waveguide with surface diffraction grating. AB - Compact non-mechanical beam steering devices are desired not only for current common applications, but also for advanced applications such as light detection and ranging. We use a Si photonic crystal slow-light waveguide with a diffraction grating, which radiates the guided mode to free space and steers a fan beam by sweeping the wavelength. Due to its large angular dispersion, slow light enhances the steering range without degrading the beam quality, resulting in more resolution points. We fabricated 600 MUm devices and observed a 23 degrees steering range and a beam divergence of 0.23 degrees , which resulted in 100 resolution points. PMID- 29216164 TI - Focusing light through dynamical samples using fast continuous wavefront optimization. AB - We describe a fast continuous optimization wavefront shaping system able to focus light through dynamic scattering media. A micro-electro-mechanical system-based spatial light modulator, a fast photodetector, and field programmable gate array electronics are combined to implement a continuous optimization of a wavefront with a single-mode optimization rate of 4.1 kHz. The system performances are demonstrated by focusing light through colloidal solutions of TiO2 particles in glycerol with tunable temporal stability. PMID- 29216166 TI - Femtosecond laser-pumped plasmonically enhanced near-infrared random laser based on engineered scatterers. AB - In this Letter, we report on the design, fabrication, and implementation of a novel plasmon-mode-driven low-threshold near-infrared (NIR) random laser (RL) in the 850-900 nm range based on plasmonic ZnS@Au core-shell scatterers. Plasmon modes in the NIR region are used for nanoscale scatterer engineering of ZnS@Au core-shell particles to enhance scattering, as against pristine ZnS. This plasmonic scattering enhancement coupled with femtosecond (fs) laser pumping is shown to cause a three-fold lasing threshold reduction from 325 MUJ/cm2 to 100 MUJ/cm2 and a mode Q-factor enhancement from 200 to 540 for ZnS@Au-based RL, as compared to pristine ZnS-based RL. Local field enhancement due to plasmonic ZnS@Au scatterers, as evidenced in the finite-difference time-domain simulation, further adds to this enhancement. This work demonstrates a novel scheme of plasmonic mode coupling in the NIR region and fs excitation in a random laser photonic system, overcoming the inherent deficiencies of weak absorption of gain media and poor scattering cross sections of dielectric scatterers for random lasing in the NIR spectrum. PMID- 29216167 TI - Time reflection and refraction of graphene plasmons at a temporal discontinuity. AB - A dynamical change of material properties induces a special type of reflection and refraction at a temporal discontinuity. Here, we study the interaction of graphene plasmons with single and double temporal discontinuities or shocks, leading to controlled in-plane scattering. We analytically determine the Fresnel like coefficients for graphene plasmons at these boundaries, and validate our results by rigorous numerical simulations. Temporally controlled doping of two dimensional materials such as graphene thus leads to a new mechanism for planar and compact plasmonic devices. PMID- 29216165 TI - Doubly positive functions in coherent and partially coherent optics. AB - A function is said to be doubly positive if it is everywhere non-negative and the same holds true for its Fourier transform. After discussing applications to coherent and partially coherent fields, we present examples and properties of such functions together with procedures to devise classes of them. PMID- 29216168 TI - Two-dimensional tunable orbital angular momentum generation using a vortex fiber. AB - We demonstrate the two-dimensional tunable orbital angular momentum (OAM) generation in a ring-core (vortex) fiber. The LP11 mode generated by an all fiber fused coupler is coupled into a vortex fiber. Because the vector modes of the LP11 mode group in the vortex fiber are no longer degenerate, the mode status will change between linearly polarized modes (LPMs) and complex OAM modes periodically during propagation. The generated OAM can be tuned smoothly by filtering the mixed mode with different polarization directions or changing the wavelength at a certain polarization directions. The two-dimensional tuning of OAM from l=-1 to l=+1 is experimentally demonstrated in an all fiber OAM generator. PMID- 29216170 TI - Zero-orbital-angular-momentum laser printing of chiral nanoneedles. AB - Laser irradiation of various materials including metals, polymers, and semiconductors with vortex beams was previously shown to "twist" transiently molten matter providing the direct easy-to-implement way to obtain chiral surface relief. Specifically for metals, this effect was attributed to transfer of an orbital angular momentum (OAM) carried by a vortex beam. In this Letter, we report the formation of twisted metallic nanoneedles on surfaces of silver and gold films under their irradiation by a zero-OAM laser beam with a spiral-shaped intensity distribution. Our comparative experiments clearly demonstrate, for the first time to the best of our knowledge, that the formation of the chiral nanoneedles on the noble-metal films is mainly governed by the temperature gradient-induced chiral thermocapillary mass transfer, rather than by OAM-driven rotation of the molten matter. PMID- 29216169 TI - Nonlinear optical susceptibility of two-dimensional WS2 measured by hyper Rayleigh scattering. AB - Hyper Rayleigh scattering (HRS) was used to measure the second-order nonlinear susceptibility, chi(2), for liquid exfoliated WS2 monolayers. To the best of our knowledge, it is the first reported application of the HRS technique to assess the bulk-like chi(2) of a two-dimensional (2D) material. The concentration dependent HRS signal indicated a 4.90+/-0.30*10-25 esu first hyperpolarizability for 42 nm WS2 monolayers under 1064 nm laser irradiation using para-nitroaniline as an external reference. The corresponding value of chixxx(2) was calculated to be 460+/-28 pm V-1. This was within 46% of independent density functional theory predictions. Agreement with theory was improved over related microscopy-based approaches. These results support the use of HRS to evaluate 2D materials for nonlinear frequency mixing applications. PMID- 29216172 TI - Enhancement of bulk second-harmonic generation from silicon nitride films by material composition. AB - We present a comprehensive tensorial characterization of second-harmonic generation from silicon nitride films with varying compositions. The samples were fabricated using plasma-enhanced chemical vapor deposition, and the material composition was varied by the reactive gas mixture in the process. We found a six fold enhancement between the lowest and highest second-order susceptibility, with the highest value of approximately 5 pm/V from the most silicon-rich sample. Moreover, the optical losses were found to be sufficiently small (below 6 dB/cm) for applications. The tensorial results show that all samples retain in-plane isotropy independent of the silicon content, highlighting the controllability of the fabrication process. PMID- 29216171 TI - On Babinet's principle and diffraction associated with an arbitrary particle. AB - Babinet's principle is widely used to compute the diffraction by a particle. However, the diffraction by a 3-D object is not totally the same as that simulated with Babinet's principle. This Letter uses a surface integral equation to exactly formulate the diffraction by an arbitrary particle and illustrate the condition for the applicability of Babinet's principle. The present results may serve to close the debate on the diffraction formalism. PMID- 29216173 TI - Photonics-based multi-function analog signal processor based on a polarization division multiplexing Mach-Zehnder modulator. AB - A photonics-based multi-function analog signal processor based on an optical polarization division multiplexing dual-parallel Mach-Zehnder modulator is proposed and demonstrated, which can implement simultaneously photonic microwave phase shifting, upconversion/downconversion and filtering with excellent tunability. An experiment is carried out. Downconverted and upconverted phase shifters with phases continuously tuned from -180 to 180 deg over 0-11 and 11-33 GHz are implemented. Based on the frequency-mixed phase shifter, a four-tap microwave photonic filter that has the capability to select a frequency-mixed component is built. The proposed approach features multi-function, scalable independent channels, a wide bandwidth, and high tunability, which can find applications in beamforming networks, radio frequency frontends, and radio over fiber systems. PMID- 29216174 TI - Spatiotemporal diffraction-free pulsed beams in free-space of the Airy and Bessel type. AB - We investigate the dynamics of spatiotemporal optical waves with one transverse dimension obtained as the intersections of the dispersion cone with a plane. We show that, by appropriate spectral excitations, the three different types of conic sections (elliptic, parabolic, and hyperbolic) can lead to optical waves of the Bessel, Airy, and modified Bessel types, respectively. We find closed form solutions that accurately describe the wave dynamics and unveil their fundamental properties. PMID- 29216175 TI - Fiber-optic radio frequency transfer based on active phase noise compensation using a carrier suppressed double-sideband signal. AB - In this Letter, we propose a fiber-optic radio frequency (RF) transfer based on active phase noise compensation adopting a carrier suppressed double-sideband (CSDSB) signal. The forward CSDSB signal is generated based on the transmitted RF signal at the local site to discriminate from the backward RF signal. The forward and backward signals are transmitted over the same fiber with the same wavelength to guarantee the bidirectional propagation symmetry. The impact of backscattering is efficiently suppressed by electrical filtering at the sites. A 1 GHz signal transfer over a 40 km optical link is performed in a laboratory. The results show that the proposed scheme can improve the short-term stability from 1.9 e-13/s to 3.9 e-14/s in contrast to the scheme with backscattering while reaching a long term stability of 2.0 e-16/10000 s. PMID- 29216176 TI - Reducing light scattering in high-reflection coatings through destructive interference at fully correlated interfaces. AB - Light scattering in quarter-wave high-reflection (QWHR) coatings with fully correlated interfaces was reduced by adding Fabry-Perot (FP) cavity structures on top of the multilayer. The properly designed FP cavity can induce destructive interference for fully correlated interfaces and reduce the scattering loss. Compared to QWHR coatings, adding one FP cavity could decrease the scattering at the near specular angles, and two FP cavities have the potential to reduce light scattering in a broad angular range. A low-scattering HR (LSHR) coating using two FP cavities has been realized to suppress light scattering. The numerical scattering calculation illustrated that the total scattering loss of the LSHR was about 30% less than that of the QWHR coatings. The measured angle-resolved scattering of the LSHR coating showed a good correspondence to the numerical calculation, although a small deviation exists in a limited angular range. PMID- 29216177 TI - Generation of uniformly oriented in-plane magnetization with near-unity purity in 4pi microscopy. AB - In this Letter, we numerically demonstrate the all-optical generation of uniformly oriented in-plane magnetization with near-unity purity (more than 99%) under a 4pi microscopic configuration. This is achieved through focusing two counter-propagating vector beams consisting of coherently configured linear and radial components. Based on the Debye diffraction theory, constructive and destructive interferences of the focal field components can be tailored under the 4pi configuration to generate high-purity uniformly polarized transverse and longitudinal electric-field components in the center of the focal region. Consequently, near-unity purity in-plane magnetization with a uniform orientation within the focal volume defined by the full width at half-maximum can be created through the inverse Faraday effect. In addition, it reveals that the purity of the in-plane magnetization is robust against the numerical aperture of the focal lens. This result expands the flexibility of magnetization manipulations through light and holds great potential in all-optical magnetic recording and spintronics. PMID- 29216178 TI - Chip-scale optical vortex lattice generator on a silicon platform. AB - An optical vortex (OV) with an isolated field singularity has been extensively studied in a variety of fields. An OV lattice with a network of optical vortices may find more advanced applications in widespread areas such as optical metrology, optical manipulation, and quantum processing. An OV lattice generated by traditional approaches relies on a number of bulky diffractive optical elements with large volumes and long working distances. Here we present a simple and compact on-chip OV lattice emitter on silicon photonics platforms. The principle relies on three-plane-wave interference. We design, fabricate, and demonstrate an on-chip OV lattice emitter consisting of three parallel waveguides with etched tilt gratings. The tilt gratings facilitate flexible light emission in a wide range of directions, enabling the generation of an OV lattice above the silicon chip. The demonstrated on-chip OV lattice emitter may open a door to generate, manipulate, and detect an OV lattice using photonic integrated circuits. PMID- 29216179 TI - Magnetron-sputtering deposited WTe2for an ultrafast thulium-doped fiber laser. AB - Ultrafast pulse generation was demonstrated in a thulium-doped fiber laser mode locked by magnetron-sputtering deposited WTe2 with a modulation depth, a nonsaturable loss, and a saturable intensity of 31%, 34.3%, and 7.6 MW/cm2, respectively. Stable soliton pulses could be obtained at a 1915.5 nm central wavelength with a pulse duration of 1.25 ps, an average output power of 39.9 mW, and a signal-to-noise ratio of 95 dB. To the best of our knowledge, this was the first demonstration of WTe2-based saturable absorbers in fiber lasers at a 2 MUm regime. PMID- 29216181 TI - Case report: A rare case of urinary myiasis induced by the fourth instar larvae of Telmatoscopus albipunctatus. AB - Telmatoscopus albipunctatus, a cosmopolitan fly, is widely distributed throughout moist environments. It is one of the most medically important insects (especially in urban environments) that may potentially cause myiasis. Urinary myiasis and other sites of infestation, including the intestine, nasal passages, lung, and derma, have been reported. This is the first case report of a Chinese middlescent woman infected with T. albipunctatus in Guangzhou, China. In the present report, a 50-year-old woman came to The Third Affiliated Hospital of Southern Medical University, Guangzhou, China, because larvae were found when urinating in the morning; this had occurred every two days within the past two months. She complained of frequent micturition and urgency. Urine tests indicated that all indexes were normal except for slight urinary tract infection. Subsequently, the larvae were sent to the diagnostic section for parasitic infection in the Department of Parasitology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China. The stereoscopic microscope and transmission electron microscope were used for morphological observation. On this basis, the cytochrome oxidase subunit 1 (COX1) gene was specifically amplified by PCR. Sequence analysis of the PCR product and phylogenetic analysis were used to identify the species. Morphological analysis combined with molecular biology methods indicated that the insect was the fourth instar larvae of T. albipunctatus. Our results show that this was a case of a 50-year-old woman infected with T. albipunctatus larvae in her urinary tract, and the findings suggest that clinicians should be vigilant for this infection. PMID- 29216180 TI - The Ink4a/Arf locus operates as a regulator of the circadian clock modulating RAS activity. AB - The mammalian circadian clock and the cell cycle are two major biological oscillators whose coupling influences cell fate decisions. In the present study, we use a model-driven experimental approach to investigate the interplay between clock and cell cycle components and the dysregulatory effects of RAS on this coupled system. In particular, we focus on the Ink4a/Arf locus as one of the bridging clock-cell cycle elements. Upon perturbations by the rat sarcoma viral oncogene (RAS), differential effects on the circadian phenotype were observed in wild-type and Ink4a/Arf knock-out mouse embryonic fibroblasts (MEFs), which could be reproduced by our modelling simulations and correlated with opposing cell cycle fate decisions. Interestingly, the observed changes can be attributed to in silico phase shifts in the expression of core-clock elements. A genome-wide analysis revealed a set of differentially expressed genes that form an intricate network with the circadian system with enriched pathways involved in opposing cell cycle phenotypes. In addition, a machine learning approach complemented by cell cycle analysis classified the observed cell cycle fate decisions as dependent on Ink4a/Arf and the oncogene RAS and highlighted a putative fine tuning role of Bmal1 as an elicitor of such processes, ultimately resulting in increased cell proliferation in the Ink4a/Arf knock-out scenario. This indicates that the dysregulation of the core-clock might work as an enhancer of RAS mediated regulation of the cell cycle. Our combined in silico and in vitro approach highlights the important role of the circadian clock as an Ink4a/Arf dependent modulator of oncogene-induced cell fate decisions, reinforcing its function as a tumour-suppressor and the close interplay between the clock and the cell cycle network. PMID- 29216182 TI - The physicochemical fingerprint of Necator americanus. AB - Necator americanus, a haematophagous hookworm parasite, infects ~10% of the world's population and is considered to be a significant public health risk. Its lifecycle has distinct stages, permitting its successful transit from the skin via the lungs (L3) to the intestinal tract (L4 maturing to adult). It has been hypothesised that the L3 larval sheath, which is shed during percutaneous infection (exsheathment), diverts the immune system to allow successful infection and reinfection in endemic areas. However, the physicochemical properties of the L3 larval cuticle and sheath, which are in direct contact with the skin and its immune defences, are unknown. In the present study, we controlled exsheathment, to characterise the sheath and underlying cuticle surfaces in situ, using atomic force microscopy (AFM) and time-of-flight secondary ion mass spectrometry (ToF SIMS). AFM revealed previously unseen surface area enhancing nano-annuli exclusive to the sheath surface and confirmed greater adhesion forces exist between cationic surfaces and the sheath, when compared to the emergent L3 cuticle. Furthermore, ToF-SIMS elucidated different chemistries between the surfaces of the cuticle and sheath which could be of biological significance. For example, the phosphatidylglycerol rich cuticle surface may support the onward migration of a lubricated infective stage, while the anionic and potentially immunologically active heparan sulphate rich deposited sheath could result in the diversion of immune defences to an inanimate antigenic nidus. We propose that our initial studies into the surface analysis of this hookworm provides a timely insight into the physicochemical properties of a globally important human pathogen at its infective stage and anticipate that the development and application of this analytical methodology will support translation of these findings into a biological context. PMID- 29216184 TI - Automated classification of dolphin echolocation click types from the Gulf of Mexico. AB - Delphinids produce large numbers of short duration, broadband echolocation clicks which may be useful for species classification in passive acoustic monitoring efforts. A challenge in echolocation click classification is to overcome the many sources of variability to recognize underlying patterns across many detections. An automated unsupervised network-based classification method was developed to simulate the approach a human analyst uses when categorizing click types: Clusters of similar clicks were identified by incorporating multiple click characteristics (spectral shape and inter-click interval distributions) to distinguish within-type from between-type variation, and identify distinct, persistent click types. Once click types were established, an algorithm for classifying novel detections using existing clusters was tested. The automated classification method was applied to a dataset of 52 million clicks detected across five monitoring sites over two years in the Gulf of Mexico (GOM). Seven distinct click types were identified, one of which is known to be associated with an acoustically identifiable delphinid (Risso's dolphin) and six of which are not yet identified. All types occurred at multiple monitoring locations, but the relative occurrence of types varied, particularly between continental shelf and slope locations. Automatically-identified click types from autonomous seafloor recorders without verifiable species identification were compared with clicks detected on sea-surface towed hydrophone arrays in the presence of visually identified delphinid species. These comparisons suggest potential species identities for the animals producing some echolocation click types. The network based classification method presented here is effective for rapid, unsupervised delphinid click classification across large datasets in which the click types may not be known a priori. PMID- 29216183 TI - Presentation of life-threatening invasive nontyphoidal Salmonella disease in Malawian children: A prospective observational study. AB - Nontyphoidal Salmonellae commonly cause invasive disease in African children that is often fatal. The clinical diagnosis of these infections is hampered by the absence of a clear clinical syndrome. Drug resistance means that empirical antibiotic therapy is often ineffective and currently no vaccine is available. The study objective was to identify risk factors for mortality among children presenting to hospital with invasive Salmonella disease in Africa. We conducted a prospective study enrolling consecutive children with microbiologically-confirmed invasive Salmonella disease admitted to Queen Elizabeth Central Hospital, Blantyre, in 2006. Data on clinical presentation, co-morbidities and outcome were used to identify children at risk of inpatient mortality through logistic regression modeling. Over one calendar year, 263 consecutive children presented with invasive Salmonella disease. Median age was 16 months (range 0-15 years) and 52/256 children (20%; 95%CI 15-25%) died. Nontyphoidal serovars caused 248/263 (94%) of cases. 211/259 (81%) of isolates were multi-drug resistant. 251/263 children presented with bacteremia, 6 with meningitis and 6 with both. Respiratory symptoms were present in 184/240 (77%; 95%CI 71-82%), 123/240 (51%; 95%CI 45-58%) had gastrointestinal symptoms and 101/240 (42%; 95%CI 36-49%) had an overlapping clinical syndrome. Presentation at <7 months (OR 10.0; 95%CI 2.8 35.1), dyspnea (OR 4.2; 95%CI 1.5-12.0) and HIV infection (OR 3.3; 95%CI 1.1 10.2) were independent risk factors for inpatient mortality. Invasive Salmonella disease in Malawi is characterized by high mortality and prevalence of multi-drug resistant isolates, along with non-specific presentation. Young infants, children with dyspnea and HIV-infected children bear a disproportionate burden of the Salmonella-associated mortality in Malawi. Strategies to improve prevention, diagnosis and management of invasive Salmonella disease should be targeted at these children. PMID- 29216185 TI - A cyber-linked undergraduate research experience in computational biomolecular structure prediction and design. AB - Computational biology is an interdisciplinary field, and many computational biology research projects involve distributed teams of scientists. To accomplish their work, these teams must overcome both disciplinary and geographic barriers. Introducing new training paradigms is one way to facilitate research progress in computational biology. Here, we describe a new undergraduate program in biomolecular structure prediction and design in which students conduct research at labs located at geographically-distributed institutions while remaining connected through an online community. This 10-week summer program begins with one week of training on computational biology methods development, transitions to eight weeks of research, and culminates in one week at the Rosetta annual conference. To date, two cohorts of students have participated, tackling research topics including vaccine design, enzyme design, protein-based materials, glycoprotein modeling, crowd-sourced science, RNA processing, hydrogen bond networks, and amyloid formation. Students in the program report outcomes comparable to students who participate in similar in-person programs. These outcomes include the development of a sense of community and increases in their scientific self-efficacy, scientific identity, and science values, all predictors of continuing in a science research career. Furthermore, the program attracted students from diverse backgrounds, which demonstrates the potential of this approach to broaden the participation of young scientists from backgrounds traditionally underrepresented in computational biology. PMID- 29216186 TI - Ten simple rules for international short-term research stays. PMID- 29216187 TI - A thermostable messenger RNA based vaccine against rabies. AB - Although effective rabies virus vaccines have been existing for decades, each year, rabies virus infections still cause around 50.000 fatalities worldwide. Most of these cases occur in developing countries, where these vaccines are not available. The reasons for this are the prohibitive high costs of cell culture or egg grown rabies virus vaccines and the lack of a functional cold chain in many regions in which rabies virus is endemic. Here, we describe the excellent temperature resistance of a non-replicating mRNA based rabies virus vaccine encoding the rabies virus glycoprotein (RABV-G). Prolonged storage of the vaccine from -80 degrees C to up to +70 degrees C for several months did not impact the protective capacity of the mRNA vaccine. Efficacy after storage was demonstrated by the induction of rabies specific virus neutralizing antibodies and protection in mice against lethal rabies infection. Moreover, storing the vaccine at oscillating temperatures between +4 degrees and +56 degrees C for 20 cycles in order to simulate interruptions of the cold chain during vaccine transport, did not affect the vaccine's immunogenicity and protective characteristics, indicating that maintenance of a cold chain is not essential for this vaccine. PMID- 29216188 TI - Monitoring wound healing in a 3D wound model by hyperspectral imaging and efficient clustering. AB - Wound healing is a complex and dynamic process with different distinct and overlapping phases from homeostasis, inflammation and proliferation to remodelling. Monitoring the healing response of injured tissue is of high importance for basic research and clinical practice. In traditional application, biological markers characterize normal and abnormal wound healing. Understanding functional relationships of these biological processes is essential for developing new treatment strategies. However, most of the present techniques (in vitro or in vivo) include invasive microscopic or analytical tissue sampling. In the present study, a non-invasive alternative for monitoring processes during wound healing is introduced. Within this context, hyperspectral imaging (HSI) is an emerging and innovative non-invasive imaging technique with different opportunities in medical applications. HSI acquires the spectral reflectance of an object, depending on its biochemical and structural characteristics. An in vitro 3-dimensional (3-D) wound model was established and incubated without and with acute and chronic wound fluid (AWF, CWF), respectively. Hyperspectral images of each individual specimen of this 3-D wound model were assessed at day 0/5/10 in vitro, and reflectance spectra were evaluated. For analysing the complex hyperspectral data, an efficient unsupervised approach for clustering massive hyperspectral data was designed, based on efficient hierarchical decomposition of spectral information according to archetypal data points. It represents, to the best of our knowledge, the first application of an advanced Data Mining approach in context of non-invasive analysis of wounds using hyperspectral imagery. By this, temporal and spatial pattern of hyperspectral clusters were determined within the tissue discs and among the different treatments. Results from non invasive imaging were compared to the number of cells in the various clusters, assessed by Hematoxylin/Eosin (H/E) staining. It was possible to correlate cell quantity and spectral reflectance during wound closure in a 3-D wound model in vitro. PMID- 29216189 TI - New intraocular pressure measurement method using reflected pneumatic pressure from cornea deformed by air puff of ring-type nozzle. AB - In this study, a non-contact type intraocular pressure (IOP) measuring system using reflected pneumatic pressure is proposed to overcome the disadvantages of existing measurement systems. A ring-type nozzle, a key component in the proposed system, is designed via computational fluid analysis. It predicts the reflected pneumatic pressure based on the nozzle exit angle and inner and outer diameters of the nozzle, which are 30 degrees , 7 mm, and 9 mm, respectively. Performance evaluation is conducted using artificial eyes fabricated using polydimethylsiloxane with the specifications of human eyes. The IOP of the fabricated artificial eyes is adjusted to 10, 30, and 50 mm Hg, and the reflected pneumatic pressure is measured as a function of the distance between the ring type nozzle and artificial eye. The measured reflected pneumatic pressure is high when the measurement distance is short and eye pressure is low. The cornea of an artificial eye is significantly deformed at a low IOP, and the applied pneumatic pressure is more concentrated in front of the ring-type nozzle because of the deformed cornea. Thus, the reflected pneumatic pressure at a low IOP has more inflows into the pressure sensor inserted inside the nozzle. The sensitivity of the output based on the IOP at measurement distances between 3-5 mm is -0.0027, 0.0022, -0.0018, -0.0015, and -0.0012. Sensitivity decreases as the measurement distance increases. In addition, the reflected pneumatic pressure owing to the misalignment at the measurement distances of 3-5 mm is not affected within a range of 0.5 mm. Therefore, the measurement range is acceptable up to a 1 mm diameter from the center of an artificial eye. However, the accuracy gradually decreases as the reflected pneumatic pressure from a misalignment of 1 mm or more decreases by 26% or more. PMID- 29216190 TI - Quality of reporting in oncology phase II trials: A 5-year assessment through systematic review. AB - BACKGROUND: Phase II clinical trials are a cornerstone of the development in experimental treatments They work as a "filter" for phase III trials confirmation. Surprisingly the attrition ratio in Phase III trials in oncology is significantly higher than in any other medical specialty. This suggests phase II trials in oncology fail to achieve their goal. Objective The present study aims at estimating the quality of reporting in published oncology phase II clinical trials. DATA SOURCES: A literature review was conducted among all phase II and phase II/III clinical trials published during a 5-year period (2010-2015). STUDY ELIGIBILITY CRITERIA: All articles electronically published by three randomly selected oncology journals with Impact-Factors>4 were included: Journal of Clinical Oncology, Annals of Oncology and British Journal of Cancer. INTERVENTION: Quality of reporting was assessed using the Key Methodological Score. RESULTS: 557 articles were included. 315 trials were single-arm studies (56.6%), 193 (34.6%) were randomized and 49 (8.8%) were non-randomized multiple arm studies. The Methodological Score was equal to 0 (lowest level), 1, 2, 3 (highest level) respectively for 22 (3.9%), 119 (21.4%), 270 (48.5%) and 146 (26.2%) articles. The primary end point is almost systematically reported (90.5%), while sample size calculation is missing in 66% of the articles. 3 variables were independently associated with reporting of a high standard: presence of statistical design (p-value <0.001), multicenter trial (p-value = 0.012), per-protocol analysis (p-value <0.001). LIMITATIONS: Screening was mainly performed by a sole author. The Key Methodological Score was based on only 3 items, making grey zones difficult to translate. CONCLUSIONS & IMPLICATIONS OF KEY FINDINGS: This literature review highlights the existence of gaps concerning the quality of reporting. It therefore raised the question of the suitability of the methodology as well as the quality of these trials, reporting being incomplete in the corresponding articles. PMID- 29216191 TI - Transcription factors, coregulators, and epigenetic marks are linearly correlated and highly redundant. AB - The DNA microstates that regulate transcription include sequence-specific transcription factors (TFs), coregulatory complexes, nucleosomes, histone modifications, DNA methylation, and parts of the three-dimensional architecture of genomes, which could create an enormous combinatorial complexity across the genome. However, many proteins and epigenetic marks are known to colocalize, suggesting that the information content encoded in these marks can be compressed. It has so far proved difficult to understand this compression in a systematic and quantitative manner. Here, we show that simple linear models can reliably predict the data generated by the ENCODE and Roadmap Epigenomics consortia. Further, we demonstrate that a small number of marks can predict all other marks with high average correlation across the genome, systematically revealing the substantial information compression that is present in different cell lines. We find that the linear models for activating marks are typically cell line-independent, while those for silencing marks are predominantly cell line-specific. Of particular note, a nuclear receptor corepressor, transducin beta-like 1 X-linked receptor 1 (TBLR1), was highly predictive of other marks in two hematopoietic cell lines. The methodology presented here shows how the potentially vast complexity of TFs, coregulators, and epigenetic marks at eukaryotic genes is highly redundant and that the information present can be compressed onto a much smaller subset of marks. These findings could be used to efficiently characterize cell lines and tissues based on a small number of diagnostic marks and suggest how the DNA microstates, which regulate the expression of individual genes, can be specified. PMID- 29216192 TI - Tracking the career development of scientists in low- and middle-income countries trained through TDR's research capacity strengthening programmes: Learning from monitoring and impact evaluation. AB - The Special Programme for Research and Training in Tropical Diseases (TDR) co sponsored by UNICEF, UNDP, World Bank and WHO has been supporting research capacity strengthening in low- and middle-income countries for over 40 years. In order to assess and continuously optimize its capacity strengthening approaches, an evaluation of the influence of TDR training grants on research career development was undertaken. The assessment was part of a larger evaluation conducted by the European Science Foundation. A comprehensive survey questionnaire was developed and sent to a group of 117 trainees supported by TDR who had completed their degree (masters or PhD) between 2000 and 2012; of these, seventy seven (77) responded. Most of the respondents (80%) rated TDR support as a very important factor that influenced their professional career achievements. The "brain drain" phenomenon towards high-income countries was particularly low amongst TDR grantees: the rate of return to their region of origin upon completion of their degree was 96%. A vast majority of respondents are still working in research (89%), with 81% of respondents having participated in multidisciplinary research activities; women engaged in multidisciplinary collaboration to a higher extent than men. However, only a minority of all have engaged in intersectoral collaboration, an aspect that would require further study. The post-degree career choices made by the respondents were strongly influenced by academic considerations. At the time of the survey, 92% of all respondents hold full-time positions, mainly in the public sector. Almost 25% of the respondents reported that they had influenced policy and practice changes. Some of the challenges and opportunities faced by trainees at various stages of their research career have been identified. Modalities to overcome these will require further investigation. The survey evidenced how TDR's research capacity grant programmes made a difference on researchers' career development and on south-south collaborations, by strengthening and localizing research capacity in lower income regions, and also showed there is more that needs to be done. The factors involved, challenges and lessons learnt may help donors and policy makers improve their future interventions with regard to designing capacity strengthening programmes and setting funding priorities. PMID- 29216193 TI - Community prevalence of chronic respiratory symptoms in rural Malawi: Implications for policy. AB - BACKGROUND: No community prevalence studies have been done on chronic respiratory symptoms of cough, wheezing and shortness of breath in adult rural populations in Malawi. Case detection rates of tuberculosis (TB) and chronic airways disease are low in resource-poor primary health care facilities. OBJECTIVE: To understand the prevalence of chronic respiratory symptoms and recorded diagnoses of TB in rural Malawian adults in order to improve case detection and management of these diseases. METHODS: A population proportional, cross-sectional study was conducted to determine the proportion of the population with chronic respiratory symptoms that had a diagnosis of tuberculosis or chronic airways disease in two rural communities in Malawi. Households were randomly selected using Google Earth Pro software. Smart phones loaded with Open Data Kit Essential software were used for data collection. Interviews were conducted with 15795 people aged 15 years and above to enquire about symptoms of chronic cough, wheeze and shortness of breath. RESULTS: Overall 3554 (22.5%) participants reported at least one of these respiratory symptoms. Cough was reported by 2933, of whom 1623 (55.3%) reported cough only and 1310 (44.7%) combined with wheeze and/or shortness of breath. Only 4.6% (164/3554) of participants with chronic respiratory symptoms had one or more of the following diagnoses in their health passports (patient held medical records): TB, asthma, bronchitis and chronic obstructive pulmonary disease). CONCLUSIONS: The high prevalence of chronic respiratory symptoms coupled with limited recorded diagnoses in patient-held medical records in these rural communities suggests a high chronic respiratory disease burden and unmet health need. PMID- 29216194 TI - Partitioning no-take marine reserve (NTMR) and benthic habitat effects on density of small and large-bodied tropical wrasses. AB - No-take marine reserves (NTMRs) are increasingly implemented for fisheries management and biodiversity conservation. Yet, assessing NTMR effectiveness depends on partitioning the effects of NTMR protection and benthic habitat on protected species. Such partitioning is often difficult, since most studies lack well-designed sampling programs (i.e. Before-After-Control-Impact-Pair designs) spanning long-term time scales. Spanning 31 years, this study quantifies the effects of NTMR protection and changes to benthic habitat on the density of tropical wrasses (F. Labridae) at Sumilon and Apo Islands, Philippines. Five species of wrasse were studied: two species of large-bodied (40-50 cm TL) Hemigymnus that were vulnerable to fishing, and three species of small-bodied (10 25 cm TL) Thalassoma and Cirrhilabrus that were not targeted by fishing. NTMR protection had no measurable effect on wrasse density, irrespective of species or body size, over 20 (Sumilon) and 31 (Apo) years of protection. However, the density of wrasses was often affected strongly by benthic cover. Hemigymnus spp. had a positive association with hard coral cover, while Thalassoma spp. and Cirrhilabrus spp. had strong positive associations with cover of rubble and dead substratum. These associations were most apparent after environmental disturbances (typhoons, coral bleaching, crown of thorns starfish (COTS) outbreaks, use of explosives and drive nets) reduced live hard coral cover and increased cover of rubble, dead substratum and sand. Disturbances that reduced hard coral cover often reduced the density of Hemigymnus spp. and increased the density of Thalassoma spp. and Cirrhilabrus spp. rapidly (1-2 years). As hard coral recovered, density of Hemigymnus spp. often increased while density of Thalassoma spp. and Cirrhilabrus spp. often decreased, often on scales of 5-10 years. This study demonstrates that wrasse population density was influenced more by changes to benthic cover than by protection from fishing. PMID- 29216195 TI - Reduced visual attention in heterogeneous textures is reflected in occipital alpha and theta band activity. AB - Increasing context heterogeneity has been found to reduce attention deployment towards an embedded target item. Heterogeneity in visual search tasks is typically induced by segmenting the background into several perceptual groups. In the present study, however, context heterogeneity was induced by varying whole field heterogeneity, i.e., the degree of distractor variability within the entire context. This allowed us to (i) more gradually vary context heterogeneity, and (ii) investigate attention deployment on a whole-field scale. Results showed that both search performance and amplitude of the N2pc (lateralized ERP; posterior contralateral negativity in the N2 range) monotonically decreased with increasing context heterogeneity, which confirmed that there was less efficient attention deployment for more heterogeneous contexts. The amplitude of the bilateral N2 exhibited a U-shaped function, suggesting global perception for the lowest and highest levels of heterogeneity, but local processing for intermediate heterogeneity levels. Independent component analyses revealed an occipital ERP contributing effective source cluster that may reflect stimulus representations on a saliency map. With increasing heterogeneity, these sources exhibited more theta band activity for distractors and less theta band activity for targets. Alpha band activity of a second component cluster varied with heterogeneity level, and low-theta/delta activity of a third source cluster distinguished target presence versus absence. In sum, our results suggest that independent brain sources contributed to the differential processing of heterogeneous versus homogeneous contexts. PMID- 29216196 TI - Loss of epithelial markers is an early event in oral dysplasia and is observed within the safety margin of dysplastic and T1 OSCC biopsies. AB - Oral squamous cell carcinoma (OSCC) is a highly aggressive cancer that is associated with poor 5-year patient survival. Disease treatment is further compounded by the difficulty in predicting pre-cancerous tissues that will progress to OSCC and the high recurrence rates following surgical resection. Here we have assessed expression of the oral epithelial markers E-cadherin, EMP1 and 5T4 and the pro-invasive N-cadherin proteins using fully characterised antibodies and quantitative immunofluorescence microscopy in normal tissue (NT), fibroepithelial polyp (FEP), low-grade dysplasia (LGD), high-grade dysplasia (HGD), T1 OSCC and T4 OSCC biopsies. Decreased E-cadherin expression was associated with FEP, LGD and HGD biopsies, demonstrating that loss of E-cadherin is an early event within abnormal epithelium and occurs in the absence of an E- to N-cadherin switch, the latter of which was only observed in T4 OSCC. Furthermore, loss of E-cadherin and EMP1 is an indicator of LGD (p = 0.0006) and loss of E-cadherin, EMP1 and 5T4 an indicator of HGD (p = 0.0006). Expression patterns of E-cadherin, EMP1 and N-cadherin could predict abnormal epithelium in LGD, HGD, T1 and T4 OSCC biopsies (z-value = 0 for all disease grades) and allowed classification of LGD (z = 1.47), HGD (z = 2.138), T1 (z = 1.05) and T4 OSCC (z = 1.49) biopsies. Therefore, these markers provide a useful means to predict abnormal epithelium in patient biopsies. Linear regression and coefficient of determination analysis revealed positive correlation with a NT>LGD>HGD disease transition but low correlation with a putative HGD>T1 OSCC>T4 OSCC disease transition. Furthermore, expression of E-cadherin, EMP1, 5T4 and N cadherin in pathologically normal surgical safety margins of LGD, HGD and T1 OSCC patient biopsies revealed significant differences to NT and the use of safety margins or FEP as 'normal tissue' controls introduced Type II errors in all patient cohorts. This work forms the basis for further investigation of the role of E-cadherin loss in abnormal epithelium and in the development of automated analyses for use in cancer diagnostics. PMID- 29216197 TI - Shift toward greater pathologic post-myocardial infarction remodeling with loss of the adaptive hypertrophic signaling of alpha1 adrenergic receptors in mice. AB - RATIONALE: We have hypothesized that post-infarction cardiac remodeling can be influenced by shifts in the balance between intracellular mediators of "pathologic" and "physiologic" hypertrophy. Although alpha1 adrenergic receptors (alpha1-ARs) mediate pro-adaptive hypertrophy during pressure overload, little is known about their role or downstream mediators after myocardial infarction. METHODS: We performed loss-of-function experiments via coronary ligation in alpha1A-AR knockout (AKO) mice. Post-myocardial infarction (MI) remodeling was evaluated via echocardiography, quantitative reverse transcription-polymerase chain reaction (RT-PCR) analysis of cardiac fetal gene expression, histologic analysis of myocyte size, post-MI fibrosis and apoptosis, and Western blot analysis of apoptotic regulators. RESULTS: Alpha1A-AR knockout paradoxically increased post-MI hypertrophy compared to wild type controls (WT), but also increased ventricular dilatation, fibrosis, apoptosis, and 4-week post-MI mortality (64% in AKO vs. 25% in WT, P = 0.02), suggesting a shift toward greater pathologic hypertrophy in the absence of pro-adaptive alpha1A effects. alpha1A-AR knockout increased phospho-p38 levels in the pre-MI myocardium compared to WT (0.55 +/- 0.16 vs. 0.03 +/- 0.01, P<0.05) but decreased phospho-ERK1/2 post-MI (0.49 +/- 0.35 arbitrary units vs. 1.55 +/- 0.43 in WT, P<0.05). Furthermore, expression of pro-apoptotic factor Bax was increased (1.19 +/- 0.15 vs. 0.78 +/- 0.08, P<0.05) and expression of anti-apoptotic factors Bcl2 was decreased (0.26 +/- 0.01 vs. 0.55 +/- 0.06, P<0.01) compared to WT. CONCLUSIONS: Alpha1A-AR provides an important counterbalance to pathologic pathways during post-MI remodeling that may be mediated through ERK1/2 signaling; these observations provide support for further development of an alpha1A-AR/ERK-based molecular intervention for this chronic, often fatal disease. PMID- 29216198 TI - HCV kinetic and modeling analyses project shorter durations to cure under combined therapy with daclatasvir and asunaprevir in chronic HCV-infected patients. AB - BACKGROUND & AIMS: High cure rates are achieved in HCV genotype-1b patients treated with daclatasvir and asunaprevir, DCV/ASV. Here we analyzed early HCV kinetics in genotype-1b infected Japanese subjects treated with DCV/ASV and retrospectively projected, using mathematical modeling, whether shorter treatment durations might be effective. METHODS: HCV RNA levels were measured frequently during DCV/ASV therapy in 95 consecutively treated patients at a single center in Japan. Mathematical modeling was used to predict the time to cure, i.e, <1 virus copy in the extracellular body fluid. Patients with HCV<15 IU/ml at week 1 (n = 27) were excluded from modeling analysis due to insufficient HCV RNA data points. RESULTS: Eighty nine of the 95 included patients (94%) achieved cure, 3 (3%) relapsed due to treatment-emergent resistance, and 3 (3%) completed therapy but were lost during follow up. Model fits from 68 patients with sufficient data points indicate that after a short pharmacological delay (15.4 min [relative standard error, rse = 26%]), DCV/ASV effectiveness in blocking HCV production was 0.999 [rse~0%], HCV half-life in blood was t1/2 = 1.7 hr [rse = 21%], and HCV infected cell loss rate was 0.391/d [rse = 5%]. Modeling predicted that 100% and 98.5% of patients who had HCV<15 IU/ml at days 14 and 28 might have been cured with 6 and 8 weeks of therapy, respectively. There was a trend (p = 0.058) between younger age and shorter time to cure. CONCLUSION: Modeling early HCV kinetics under DCV/ASV predicts that most patients would achieve cure with short treatment durations, suggesting that 24 weeks of DCV/ASV treatment can be significantly shortened. PMID- 29216200 TI - Development and application of coupled system dynamics and game theory: A dynamic water conflict resolution method. AB - Conflicts over water resources can be highly dynamic and complex due to the various factors which can affect such systems, including economic, engineering, social, hydrologic, environmental and even political, as well as the inherent uncertainty involved in many of these factors. Furthermore, the conflicting behavior, preferences and goals of stakeholders can often make such conflicts even more challenging. While many game models, both cooperative and non cooperative, have been suggested to deal with problems over utilizing and sharing water resources, most of these are based on a static viewpoint of demand points during optimization procedures. Moreover, such models are usually developed for a single reservoir system, and so are not really suitable for application to an integrated decision support system involving more than one reservoir. This paper outlines a coupled simulation-optimization modeling method based on a combination of system dynamics (SD) and game theory (GT). The method harnesses SD to capture the dynamic behavior of the water system, utilizing feedback loops between the system components in the course of the simulation. In addition, it uses GT concepts, including pure-strategy and mixed-strategy games as well as the Nash Bargaining Solution (NBS) method, to find the optimum allocation decisions over available water in the system. To test the capability of the proposed method to resolve multi-reservoir and multi-objective conflicts, two different deterministic simulation-optimization models with increasing levels of complexity were developed for the Langat River basin in Malaysia. The later is a strategic water catchment that has a range of different stakeholders and managerial bodies, which are however willing to cooperate in order to avoid unmet demand. In our first model, all water users play a dynamic pure-strategy game. The second model then adds in dynamic behaviors to reservoirs to factor in inflow uncertainty and adjust the strategies for the reservoirs using the mixed-strategy game and Markov chain methods. The two models were then evaluated against three performance indices: Reliability, Resilience and Vulnerability (R-R-V). The results showed that, while both models were well capable of dealing with conflict resolution over water resources in the Langat River basin, the second model achieved a substantially improved performance through its ability to deal with dynamicity, complexity and uncertainty in the river system. PMID- 29216199 TI - The potential of statistical shape modelling for geometric morphometric analysis of human teeth in archaeological research. AB - This paper introduces statistical shape modelling (SSM) for use in osteoarchaeology research. SSM is a full field, multi-material analytical technique, and is presented as a supplementary geometric morphometric (GM) tool. Lower mandibular canines from two archaeological populations and one modern population were sampled, digitised using micro-CT, aligned, registered to a baseline and statistically modelled using principal component analysis (PCA). Sample material properties were incorporated as a binary enamel/dentin parameter. Results were assessed qualitatively and quantitatively using anatomical landmarks. Finally, the technique's application was demonstrated for inter-sample comparison through analysis of the principal component (PC) weights. It was found that SSM could provide high detail qualitative and quantitative insight with respect to archaeological inter- and intra-sample variability. This technique has value for archaeological, biomechanical and forensic applications including identification, finite element analysis (FEA) and reconstruction from partial datasets. PMID- 29216201 TI - Functional lung MRI for regional monitoring of patients with cystic fibrosis. AB - PURPOSE: To test quantitative functional lung MRI techniques in young adults with cystic fibrosis (CF) compared to healthy volunteers and to monitor immediate treatment effects of a single inhalation of hypertonic saline in comparison to clinical routine pulmonary function tests. MATERIALS AND METHODS: Sixteen clinically stable CF patients and 12 healthy volunteers prospectively underwent two functional lung MRI scans and pulmonary function tests before and 2h after a single treatment of inhaled hypertonic saline or without any treatment. MRI derived oxygen enhanced T1 relaxation measurements, fractional ventilation, first pass perfusion parameters and a morpho-functional CF-MRI score were acquired. RESULTS: Compared to healthy controls functional lung MRI detected and quantified significantly increased ventilation heterogeneity in CF patients. Regional functional lung MRI measures of ventilation and perfusion as well as the CF-MRI score and pulmonary function tests could not detect a significant treatment effect two hours after a single treatment with hypertonic saline in young adults with CF (p>0.05). CONCLUSION: This study shows the feasibility of functional lung MRI as a non-invasive, radiation-free tool for monitoring patients with CF. PMID- 29216202 TI - Composition and variation of respiratory microbiota in healthy military personnel. AB - Certain occupational and geographical exposures have been associated with an increased risk of lung disease. As a baseline for future studies, we sought to characterize the upper respiratory microbiomes of healthy military personnel in a garrison environment. Nasal, oropharyngeal, and nasopharyngeal swabs were collected from 50 healthy active duty volunteers eight times over the course of one year (1107 swabs, completion rate = 92.25%) and subjected to pyrosequencing of the V1-V3 region of 16S rDNA. Respiratory bacterial taxa were characterized at the genus level, using QIIME 1.8 and the Ribosomal Database Project classifier. High levels of Staphylococcus, Corynebacterium, and Propionibacterium were observed among both nasal and nasopharyngeal microbiota, comprising more than 75% of all operational taxonomical units (OTUs). In contrast, Streptococcus was the sole dominant bacterial genus (approximately 50% of all OTUs) in the oropharynx. The average bacterial diversity was greater in the oropharynx than in the nasal or nasopharyngeal region at all time points. Diversity analysis indicated a significant overlap between nasal and nasopharyngeal samples, whereas oropharyngeal samples formed a cluster distinct from these two regions. The study produced a large set of pyrosequencing data on the V1-V3 region of bacterial 16S rDNA for the respiratory microbiomes of healthy active duty Service Members. Pre processing of sequencing reads showed good data quality. The derived microbiome profiles were consistent both internally and with previous reports, suggesting their utility for further analyses and association studies based on sequence and demographic data. PMID- 29216204 TI - Aerodynamics of a highly irregular body at transonic speeds-Analysis of STRATOS flight data. AB - In this paper, we analyze the trajectory and body attitude data of Felix Baumgartner's supersonic free fall through the atmosphere on October 14, 2012. As one of us (UW) was scientific advisor to the Red Bull Stratos team, the analysis is based on true body data (body mass, wetted pressure suit surface area) and actual atmospheric data from weather balloon measurements. We also present a fully developed theoretical analysis and solution of atmospheric free fall. By matching the flight data against this solution, we are able to derive and track the drag coefficient CD from the subsonic to the transonic and supersonic regime, and back again. Although the subsonic drag coefficient is the expected CD = 0.60 +/- 0.05, surprisingly the transonic compressibility drag coefficient is only 19% of the expected value. We provide a plausible explanation for this unexpected result. PMID- 29216203 TI - Dose responses of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency: A placebo controlled randomized trial. AB - BACKGROUND: Clinical trials are scant and equivocal on whether vitamin D can ameliorate arterial stiffness, particularly in populations at high risk for vitamin D deficiency and cardiovascular disease (CVD). This study determined the dose-response effects of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency. METHODS: Seventy overweight African Americans (aged 13-45 years) with serum 25-hydroxyvitamin D [25(OH)D] levels <= 20 ng/mL were randomized to monthly oral supplementation of 18,000 IU (~600 IU/day, n = 17), 60,000 IU (~2000 IU/day, n = 18), or 120,000 IU (~4000 IU/day, n = 18) of vitamin D3 or placebo (n = 17) for 16-weeks. The arterial stiffness measurements, carotid-femoral pulse wave velocity (PWV) and carotid-radial PWV, were assessed by applanation tonometry at baseline and 16 weeks. RESULTS: Vitamin D3 supplementation demonstrated a dose-response increase in serum 25(OH)D concentrations between groups (P<0.01). A significant downward linear trend was observed for carotid-femoral PWV (P<0.01), as the mean changes in carotid-femoral PWV across the four treatment groups were 0.13 m/s (95% CI: 0.24, 0.51 m/s) for placebo, 0.02 m/s (95% CI: -0.34, 0.38 m/s) for 600 IU/day group, -0.11 m/s (95% CI: -0.50, 0.27 m/s) for the 2,000 IU/day group, and -0.70 m/s (95% CI: -1.07, -0.32 m/s) for the 4,000 IU/day group. Findings were similar for carotid-radial PWV (P = 0.03), as the mean changes in carotid-radial PWV across the four treatment groups were 0.24 m/s (95% CI: -0.45, 0.92 m/s) for placebo, 0.09 m/s (95% CI: -0.54, 0.73 m/s) for 600 IU/day group, -0.57 m/s (95% CI: -1.20, 0.07 m/s) for the 2,000 IU/day group, and -0.61 m/s (95% CI: -1.25, 0.02 m/s) for the 4,000 IU/day group. CONCLUSION: Arterial stiffness was improved by vitamin D3 supplementation in a dose-response manner in overweight African Americans with vitamin D deficiency. PMID- 29216205 TI - The impact of viewing a video with and without head phones on snack intake: A pilot study. AB - Research shows that many small changes to the environment impact one's eating behavior. The aim of this study was to examine whether the type of audio transmission would affect snack intake depending on the degree of immersion. A sample of 174 university students were randomized to either viewing a movie wearing headphones or listening over loud speakers while consuming a snack of their choice. Significant differences were found with more snacks consumed in the group without headphones compared to the group wearing headphones. Particularly women tend to eat less (about 10% of the offered snack less) when wearing headphones while viewing a movie. The results seem to indicate that audio transmission mode might impact eating behavior. PMID- 29216206 TI - The psychometric properties of a shortened Dutch version of the consequences scale used in the Core Alcohol and Drug Survey. AB - BACKGROUND: Alcohol and drug misuse among college students has been studied extensively and has been clearly identified as a public health problem. Within more general populations alcohol misuse remains one of the leading causes of disease, disability and death worldwide. Conducting research on alcohol misuse requires valid and reliable instruments to measure its consequences. One scale that is often used is the consequences scale in the Core Alcohol and Drug Survey (CADS). However, psychometric studies on the CADS are rare and the ones that do exist report varying results. This article aims to address this imbalance by examining the psychometric properties of a Dutch version of the CADS in a large sample of Flemish university and college students. METHODS: The analyses are based on data collected by the inter-university project 'Head in the clouds', measuring alcohol use among students. In total, 19,253 students participated (22.1% response rate). The CADS scale was measured using 19 consequences, and participants were asked how often they had experienced these on a 6-point scale. Firstly, the factor structure of the CADS was examined. Two models from literature were compared by performing confirmatory factor analyses (CFA) and were adapted if necessary. Secondly, we assessed the composite reliability as well as the convergent, discriminant and concurrent validity. RESULTS: The two factor model, identifying personal consequences (had a hangover; got nauseated or vomited; missed a class) and social consequences (got into an argument or fight; been criticized by someone I know; done something I later regretted; been hurt or injured) was indicated to be the best model, having both a good model fit and an acceptable composite reliability. In addition, construct validity was evaluated to be acceptable, with good discriminant validity, although the convergent validity of the factor measuring 'social consequences' could be improved. Concurrent validity was evaluated as good. CONCLUSIONS: In deciding which model best represents the data, it is crucial that not only the model fit is evaluated, but the importance of factor reliability and validity issues is also taken into account. The two-factor model, identifying personal consequences and social consequences, was concluded to be the best model. This shortened Dutch version of the CADS (CADS_D) is a useful tool to screen alcohol-related consequences among college students. PMID- 29216207 TI - Poisson pre-processing of nonstationary photonic signals: Signals with equality between mean and variance. AB - Photonic signals are broadly exploited in communication and sensing and they typically exhibit Poisson-like statistics. In a common scenario where the intensity of the photonic signals is low and one needs to remove a nonstationary trend of the signals for any further analysis, one faces an obstacle: due to the dependence between the mean and variance typical for a Poisson-like process, information about the trend remains in the variance even after the trend has been subtracted, possibly yielding artifactual results in further analyses. Commonly available detrending or normalizing methods cannot cope with this issue. To alleviate this issue we developed a suitable pre-processing method for the signals that originate from a Poisson-like process. In this paper, a Poisson pre processing method for nonstationary time series with Poisson distribution is developed and tested on computer-generated model data and experimental data of chemiluminescence from human neutrophils and mung seeds. The presented method transforms a nonstationary Poisson signal into a stationary signal with a Poisson distribution while preserving the type of photocount distribution and phase-space structure of the signal. The importance of the suggested pre-processing method is shown in Fano factor and Hurst exponent analysis of both computer-generated model signals and experimental photonic signals. It is demonstrated that our pre processing method is superior to standard detrending-based methods whenever further signal analysis is sensitive to variance of the signal. PMID- 29216208 TI - Antiretroviral therapy as a risk factor for chronic kidney disease: Results from traditional regression modeling and causal approach in a large observational study. AB - OBJECTIVE: We investigated whether patients receiving selected antiretroviral combinations had a higher risk of chronic kidney disease (CKD) using traditional regression modeling and a causal approach in a large prospective cohort. PATIENTS AND METHODS: For the purpose of this study, we selected 6301 patients who (i) started their first antiretroviral regimen after 1st January 2004, (ii) had at least one serum creatinine measurement within 6 months before ART initiation (study entry), and (iii) had at least two measurements after study entry. Baseline eGFR was defined from the last serum creatinine measurement before study entry. All eGFR values were calculated using the Modification of Diet and Renal Disease (MDRD) equation. Both traditional Cox proportional hazards model and Cox marginal structural models were applied. Distinct coding for antiretroviral therapy exposure were investigated as well as double robust estimators. RESULTS: Overall we showed that patients receiving tenofovir (TDF) with a ritonavir boosted protease inhibitor (rbPI) exhibited a higher risk of CKD compared with patients who received TDF with a non-nucleosidic reverse transcriptase inhibitor (NNRTI). Such an increased risk was observed considering both initial and current regimens. Our analysis revealed a clinician-driven switch away from TDF among persons experiencing a decline in renal function while receiving this drug. CONCLUSION: Our results show that combination of TDF and boosted protease inhibitor is associated with a higher CKD risk than TDF and a NNRTI. PMID- 29216209 TI - Preliminary study of tumor heterogeneity in imaging predicts two year survival in pancreatic cancer patients. AB - Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal cancers in the United States with a five-year survival rate of 7.2% for all stages. Although surgical resection is the only curative treatment, currently we are unable to differentiate between resectable patients with occult metastatic disease from those with potentially curable disease. Identification of patients with poor prognosis via early classification would help in initial management including the use of neoadjuvant chemotherapy or radiation, or in the choice of postoperative adjuvant therapy. PDAC ranges in appearance from homogeneously isoattenuating masses to heterogeneously hypovascular tumors on CT images; hence, we hypothesize that heterogeneity reflects underlying differences at the histologic or genetic level and will therefore correlate with patient outcome. We quantify heterogeneity of PDAC with texture analysis to predict 2-year survival. Using fuzzy minimum-redundancy maximum-relevance feature selection and a naive Bayes classifier, the proposed features achieve an area under receiver operating characteristic curve (AUC) of 0.90 and accuracy (Ac) of 82.86% with the leave-one image-out technique and an AUC of 0.80 and Ac of 75.0% with three-fold cross validation. We conclude that texture analysis can be used to quantify heterogeneity in CT images to accurately predict 2-year survival in patients with pancreatic cancer. From these data, we infer differences in the biological evolution of pancreatic cancer subtypes measurable in imaging and identify opportunities for optimized patient selection for therapy. PMID- 29216210 TI - Social relationship changes in victim families due to a social disaster: Experiences of student victims' families in the South Korean Sewol ferry disaster. AB - The Sewol ferry incident on April 16, 2014 in South Korea claimed the lives of 304 individuals, including about 250 high school students on a school trip. The majority of South Korean citizens were watching live updates on the capsized Sewol ferry, anxiously watching on TV how the vessel fully sunk over time. They were desperately hoping for the rescue of the survivors inside. However, their anxiety had become shock, anger, and helplessness, and the disaster has become a daunting, collective trauma, not just to the victims and their families, but also to the citizens who were exposed only through the media. In this study, we interviewed victims' families two years after the incident. We explored how they have experienced changes in their social relationships. We conducted semi structured interviews of 54 family members of the student victims. We qualitatively examined the data applying a thematic analysis. Changes in their social relationships were largely divided into the relationships in the proximal environment and the relationships in distal environments. The former included subcategories such as immediate family, coworkers, friends, relatives, survived students and their parents, and concepts corresponding to each subcategory. The latter involved subcategories such as neighbors, other citizens, the victims' family committee, government, and society, and concepts subject to each subcategory. Based on these findings, rehabilitation plans for trauma victims and their families should take into account the significant changes in their social relationships and the further consequences of those changes. PMID- 29216211 TI - Validation of the Japanese version of the Central Sensitization Inventory in patients with musculoskeletal disorders. AB - BACKGROUND: Many musculoskeletal pain conditions are characterized by hypersensitivity, which is induced by central sensitization (CS). A questionnaire, the Central Sensitization Inventory (CSI), was recently developed to help clinicians identify patients whose presenting symptoms may be related to central sensitivity syndrome (CSS). The aims of the present study were to examine criterion validity and construct validity of the Japanese version of the CSI (CSI J), and to investigate prevalence rates of CS severity levels in patients with musculoskeletal disorders. METHODS: Translation of the CSI into Japanese was conducted using a forward-backward method. Two hundred and ninety patients with musculoskeletal pain disorders completed the resultant CSI-J. A subset of the patients (n = 158) completed the CSI-J again one week later. The relationships between CSI and clinical symptoms, EuroQol 5-dimension (EQ-5D) and Brief Pain Inventory (BPI), were examined for criterion validity. EQ-5D assesses Health related QOL and BPI measures pain intensity and pain interference. The psychometric properties were evaluated with analyses of construct validity, factor structure and internal consistency, and subsequently investigate the prevalence rates of CS severity levels. RESULTS: The CSI-J demonstrated high internal consistency (Cronbach's alpha = 0.89) and test-retest reliability was excellent value (ICC = 0.85). The CSI-J was significantly correlated with EQ-5D (r = -0.44), pain intensity (r = 0.42), and pain interference (r = 0.48) (p < 0.01 for all). Ten percent of the participants were above the cutoff "40". The exploratory factor analysis resulted in 5-factor model. CONCLUSIONS: This study reported that the CSI-J was a useful and psychometrically sound tool to assess CSS in Japanese patients with musculoskeletal disorders. The finding of the prevalence rates of CS severity levels in patients with musculoskeletal disorders may help clinicians to decide strategy of treatment. PMID- 29216212 TI - The gender gap in self-rated health and education in Spain. A multilevel analysis. AB - BACKGROUND: Women tend to report poorer self-rated health than men. It is also well established that education has a positive effect on health. However, the issue of how the benefits of education on health differ between men and women has not received enough attention and the few existing studies which do focus on the subject do not draw a clear conclusion. Therefore, this study aims to analyse whether the positive influence of educational attainment on health is higher for women and whether education helps to overcome the gender gap in self-rated health. METHODS: We analyse cross-sectional data from the 2012 European Union statistics on income and living conditions. We use a logit regression model with odds ratios and a multilevel perspective to carry out a study which includes several individual and contextual control variables. We focused our study on the working population in Spain aged between 25 and 65. The final sample considered is composed of 14,120 subjects: 7,653 men and 6,467 women. RESULTS: There is a gender gap in self-rated health only for the less educated. This gap is not statistically significant among more highly educated individuals. Attaining a high level of education has the same positive effect on both women's and men's self-rated health. CONCLUSIONS: Although we did not find gender disparities when considering the effect of education on health, we show that women's health is poorer among the less educated, mainly due to labour precariousness and household conditions. PMID- 29216213 TI - A multi-scale spatial model of hepatitis-B viral dynamics. AB - Chronic hepatitis B viral infection (HBV) afflicts around 250 million individuals globally and few options for treatment exist. Once infected, the virus entrenches itself in the liver with a notoriously resilient colonisation of viral DNA (covalently-closed circular DNA, cccDNA). The majority of infections are cleared, yet we do not understand why 5% of adult immune responses fail leading to the chronic state with its collateral morbid effects such as cirrhosis and eventual hepatic carcinoma. The liver environment exhibits particularly complex spatial structures for metabolic processing and corresponding distributions of nutrients and transporters that may influence successful HBV entrenchment. We assembled a multi-scaled mathematical model of the fundamental hepatic processing unit, the sinusoid, into a whole-liver representation to investigate the impact of this intrinsic spatial heterogeneity on the HBV dynamic. Our results suggest HBV may be exploiting spatial aspects of the liver environment. We distributed increased HBV replication rates coincident with elevated levels of nutrients in the sinusoid entry point (the periportal region) in tandem with similar distributions of hepatocyte transporters key to HBV invasion (e.g., the sodium-taurocholate cotransporting polypeptide or NTCP), or immune system activity. According to our results, such co-alignment of spatial distributions may contribute to persistence of HBV infections, depending on spatial distributions and intensity of immune response as well. Moreover, inspired by previous HBV models and experimentalist suggestions of extra-hepatic HBV replication, we tested in our model influence of HBV blood replication and observe an overall nominal effect on persistent liver infection. Regardless, we confirm prior results showing a solo cccDNA is sufficient to re-infect an entire liver, with corresponding concerns for transplantation and treatment. PMID- 29216214 TI - Complete synchronization of the global coupled dynamical network induced by Poisson noises. AB - The different Poisson noise-induced complete synchronization of the global coupled dynamical network is investigated. Based on the stability theory of stochastic differential equations driven by Poisson process, we can prove that Poisson noises can induce synchronization and sufficient conditions are established to achieve complete synchronization with probability 1. Furthermore, numerical examples are provided to show the agreement between theoretical and numerical analysis. PMID- 29216215 TI - Accelerating cross-validation with total variation and its application to super resolution imaging. AB - We develop an approximation formula for the cross-validation error (CVE) of a sparse linear regression penalized by l1-norm and total variation terms, which is based on a perturbative expansion utilizing the largeness of both the data dimensionality and the model. The developed formula allows us to reduce the necessary computational cost of the CVE evaluation significantly. The practicality of the formula is tested through application to simulated black-hole image reconstruction on the event-horizon scale with super resolution. The results demonstrate that our approximation reproduces the CVE values obtained via literally conducted cross-validation with reasonably good precision. PMID- 29216216 TI - Epidemiological and genetic characteristics of EV71 in hand, foot, and mouth disease in Guangxi, southern China, from 2010 to 2015. AB - Hand, foot, and mouth disease (HFMD) is a significant public health challenge in China. Human enterovirus 71 (EV71) is regarded as the predominant causative pathogen of HFMD. Since 2015, two inactivated EV71 vaccines have been approved in mainland China, and because their use could change the HFMD pathogen spectrum, this should now be monitored. However, the epidemiological and genetic trends of EV71 with respect to HFMD in Guangxi, southern China, are still not clear. In this study, we describe the epidemiological and genetic characterization of this virus in clinically-diagnosed HFMD reported from 2010 to 2015 in Guangxi. Data showed that a two-year epidemic cycle, with a predominance of EV71 infections, contributed to HFMD outbreaks in Guangxi. Furthermore, this virus is a major causative agent of severe and fatal HFMD. Interestingly, in Guangxi, EV71 positive rates tended to decrease over time. In particular, EV71-positive rates were found in Fangchenggang city, which reported very few severe and fatal cases over the six-year period. Phylogenetic analysis of the VP1 gene revealed that the major circulating strains belonged exclusively to genotype C, subtype 4a (C4a), and most clustered with strains circulating in southern China. The most interesting finding was that a strain isolated in 2012 clustered with Vietnamese strains isolated from 2011-2012. The data highlight the importance of pathogen surveillance for HFMD in China, especially Guangxi, which is located on the border of China and the Association of Southeast Asian Nations. PMID- 29216217 TI - The emerging role of ASC in dendritic cell metabolism during Chlamydia infection. AB - Chlamydia trachomatis is a bacterial agent that causes sexually transmitted infections worldwide. The regulatory functions of dendritic cells (DCs) play a major role in protective immunity against Chlamydia infections. Here, we investigated the role of ASC in DCs metabolism and the regulation of DCs activation and function during Chlamydia infection. Following Chlamydia stimulation, maturation and antigen presenting functions were impaired in ASC-/- DCs compared to wild type (WT) DCs, in addition, ASC deficiency induced a tolerant phenotype in Chlamydia stimulated DCs. Using real-time extracellular flux analysis, we showed that activation in Chlamydia stimulated WT DCs is associated with a metabolic change in which mitochondrial oxidative phosphorylation (OXPHOS) is inhibited and the cells become committed to utilizing glucose through aerobic glycolysis for differentiation and antigen presenting functions. However, in ASC-/- DCs Chlamydia-induced metabolic change was prevented and there was a significant effect on mitochondrial morphology. The mitochondria of Chlamydia stimulated ASC-/- DCs had disrupted cristae compared to the normal narrow pleomorphic cristae found in stimulated WT DCs. In conclusion, our results suggest that Chlamydia-mediated activation of DCs is associated with a metabolic transition in which OXPHOS is inhibited, thereby dedicating the DCs to aerobic glycolysis, while ASC deficiency disrupts DCs function by inhibiting the reprogramming of DCs metabolism within the mitochondria, from glycolysis to electron transport chain. PMID- 29216218 TI - Stroke subtype classification by geometrical descriptors of lesion shape. AB - BACKGROUND AND PURPOSE: Inference of etiology from lesion pattern in acute magnetic resonance imaging is valuable for management and prognosis of acute stroke patients. This study aims to assess the value of three-dimensional geometrical lesion-shape descriptors for stroke-subtype classification, specifically regarding stroke of cardioembolic origin. METHODS: Stroke Etiology was classified according to ASCOD in retrospectively selected patients with acute stroke. Lesions were segmented on diffusion-weighed datasets, and descriptors of lesion shape quantified: surface area, sphericity, bounding box volume, and ratio between bounding box and lesion volume. Morphological measures were compared between stroke subtypes classified by ASCOD and between patients with embolic stroke of cardiac and non-cardiac source. RESULTS: 150 patients (mean age 77 years; 95% CI, 65-80 years; median NIHSS 6, range 0-22) were included. Group comparison of lesion shape measures demonstrated that lesions caused by small vessel disease were smaller and more spherical compared to other stroke subtypes. No significant differences of morphological measures were detected between patients with cardioembolic and non-cardioembolic stroke. CONCLUSION: Stroke lesions caused by small vessel disease can be distinguished from other stroke lesions based on distinctive morphological properties. However, within the group of embolic strokes, etiology could not be inferred from the morphology measures studied in our analysis. PMID- 29216219 TI - Wrapped: An R package for circular data. AB - The Wrapped package computes the probability density function, cumulative distribution function, quantile function and also generates random samples for many univariate wrapped distributions. It also computes maximum likelihood estimates, standard errors, confidence intervals and measures of goodness of fit for nearly fifty univariate wrapped distributions. Numerical illustrations of the package are given. PMID- 29216220 TI - Retarded germination of Nicotiana tabacum seeds following insertion of exogenous DNA mimics the seed persistent behavior. AB - Tobacco seeds show a coat-imposed dormancy in which the seed envelope tissues (testa and endosperm) impose a physical constraint on the radicle protrusion. The germination-limiting process is represented by the endosperm rupture which is induced by cell-wall weakening. Transgenic tobacco seeds, obtained by insertion of exogenous genes codifying for seed-based oral vaccines (F18 and VT2eB), showed retarded germination with respect to the wild type and modified the expression of endogenous proteins. Morphological and proteomic analyses of wild type and transgenic seeds revealed new insights into factors influencing seed germination. Our data showed that the interference of exogenous DNA influences the germination rather than the dormancy release, by modifying the maturation process. Dry seeds of F18 and VT2eB transgenic lines accumulated a higher amount of reserve and stress-related proteins with respect to the wild type. Moreover, the storage proteins accumulated in tobacco F18 and VT2eB dry seeds have structural properties that do not enable the early limited proteolysis observed in the wild type. Morphological observations by electron and light microscopy revealed a retarded mobilization of the storage material from protein and lipid bodies in transgenic seeds, thus impairing water imbibition and embryo elongation. In addition, both F18 and VT2eB dry seeds are more rounded than the wild type. Both the morphological and biochemical characteristics of transgenic seeds mimic the seed persistent profile, in which their roundness enables them to be buried in the soil, while the higher content of storage material enables the hypocotyl to elongate more and the cotyledons to emerge. PMID- 29216221 TI - Copy number variants in Ebstein anomaly. AB - BACKGROUND: Ebstein anomaly (EA) is a rare congenital defect characterized by apical displacement of the septal tricuspid leaflets and atrialization of the right ventricle. The etiology of EA is unclear; however, recurrence in families and the association of EA with genetic syndromes and copy number variants (CNVs) suggest a genetic component. OBJECTIVE: We performed a population-based study to search for recurrent and novel CNVs in a previously unreported set of EA cases. METHODS: We genotyped 60 EA cases identified from all live births (2,891,076) from selected California counties (1991-2010) using the Illumina HumanOmni2.5-8 array. We identified 38 candidate CNVs in 28 (46%) cases and prioritized and validated 11 CNVs based on the genes included. RESULTS: Five CNVs (41%) overlapped or were close to genes involved in early myocardial development, including NODAL, PDLIM5, SIX1, ASF1A and FGF12. We also replicated a previous association of EA with CNVs at 1p34.1 and AKAP12. Finally, we identified four CNVs overlapping or in close proximity to the transcription factors HES3, TRIM71, CUX1 and EIF4EBP2. CONCLUSIONS: This study supports the relationship of genetic factors to EA and demonstrates that defects in cardiomyocytes and myocardium differentiation may play a role. Abnormal differentiation of cardiomyocytes and how genetic factors contribute should be examined for their association with EA. PMID- 29216222 TI - Cortical computations via transient attractors. AB - The ability of sensory networks to transiently store information on the scale of seconds can confer many advantages in processing time-varying stimuli. How a network could store information on such intermediate time scales, between typical neurophysiological time scales and those of long-term memory, is typically attributed to persistent neural activity. An alternative mechanism which might allow for such information storage is through temporary modifications to the neural connectivity which decay on the same second-long time scale as the underlying memories. Earlier work that has explored this method has done so by emphasizing one attractor from a limited, pre-defined set. Here, we describe an alternative, a Transient Attractor network, which can learn any pattern presented to it, store several simultaneously, and robustly recall them on demand using targeted probes in a manner reminiscent of Hopfield networks. We hypothesize that such functionality could be usefully embedded within sensory cortex, and allow for a flexibly-gated short-term memory, as well as conferring the ability of the network to perform automatic de-noising, and separation of input signals into distinct perceptual objects. We demonstrate that the stored information can be refreshed to extend storage time, is not sensitive to noise in the system, and can be turned on or off by simple neuromodulation. The diverse capabilities of transient attractors, as well as their resemblance to many features observed in sensory cortex, suggest the possibility that their actions might underlie neural processing in many sensory areas. PMID- 29216223 TI - Increased risk of peripheral arterial occlusive disease in patients with Bell's palsy using population data. AB - OBJECTIVE: This population-based cohort study investigated the risk of developing peripheral arterial occlusive disease (PAOD) in patients with Bell's palsy. METHODS: We used longitudinal claims data of health insurance of Taiwan to identify 5,152 patients with Bell's palsy newly diagnosed in 2000-2010 and a control cohort of 20,608 patients without Bell's palsy matched by propensity score. Incidence and hazard ratio (HR) of PAOD were assessed by the end of 2013. RESULTS: The incidence of PAOD was approximately 1.5 times greater in the Bell's palsy group than in the non-Bell's palsy controls (7.75 vs. 4.99 per 1000 person years). The Cox proportional hazards regression analysis measured adjusted HR was 1.54 (95% confidence interval (CI) = 1.35-1.76) for the Bell's palsy group compared to the non-Bell's palsy group, after adjusting for sex, age, occupation, income and comorbidities. Men were at higher risk of PAOD than women in the Bell's palsy group, but not in the controls. The incidence of PAOD increased with age in both groups, but the Bell's palsy group to control group HR of PAOD decreased as age increased. The systemic steroid treatment reduced 13% of PAOD hazard for Bell's palsy patients, compared to those without the treatment, but not significant. CONCLUSIONS: Bell's palsy appears to be associated with an increased risk of developing PAOD. Further pathophysiologic, histopathology and immunologic research is required to explore the underlying biologic mechanism. PMID- 29216224 TI - Cytotoxicity of portoamides in human cancer cells and analysis of the molecular mechanisms of action. AB - Portoamides are cyclic peptides produced and released by the cyanobacterial strain Phormidium sp. presumably to interfere with other organisms in their ecosystems ("allelopathy"). Portoamides were previously demonstrated to have an antiproliferative effect on human lung carcinoma cells, but the underlying mechanism of this activity has not been described. In the present work, the effects of portoamides on proliferation were examined in eight human cancer cell lines and two non-carcinogenic cell lines, and major differences in sensitivities were observed. To generate hypotheses with regard to molecular mechanisms of action, quantitative proteomics using 2D gel electrophoresis and MALDI-TOF/TOF were performed on the colon carcinoma cell line HT-29. The expression of proteins involved in energy metabolism (mitochondrial respiratory chain and pentose phosphate pathway) was found to be affected. The hypothesis of altered energy metabolism was tested in further experiments. Exposure to portoamides resulted in reduced cellular ATP content, likely due to decreased mitochondrial energy production. Mitochondrial hyperpolarization and reduced mitochondrial reductive capacity was observed in treated cells. Furthermore, alterations in the expression of peroxiredoxins (PRDX4, PRDX6) and components of proteasome subunits (PSB4, PSA6) were observed in portoamide-treated cells, but these alterations were not associated with detectable increases in oxidative stress. We conclude that the cytotoxic activity of portoamides is associated with disturbance of energy metabolism, and alterations in mitochondrial structure and function. PMID- 29216225 TI - Real-time visualization of thrombus formation at the interface between connectors and tubes in medical devices by using optical coherence tomography. AB - BACKGROUND: Blood-contacting devices have contributed to improving the treatment of patients. However, thrombus formation at the interface between a connector and tube is still a potential source of thrombus-related complications that induce stroke or myocardial infarction. We aimed to develop a non-blood-contacting real time method for visualizing thrombus formation, and to experimentally investigate the time-dependent phenomenon of thrombus formation at the interface between a connector and a tube in a medical device. METHODS AND FINDINGS: An optical coherence tomography device with a center wavelength of 1330 nm was used to visualize thrombus formation during porcine blood circulation for 50 min in a closed 50-mL circulation system isolated from ambient air. The thrombus formation sites at the interface between a tube and connector were visualized. The area of the thrombus formation at the interface between the inlet of the connector and the tube was found to be 0.012 +/- 0.011 mm2. Conversely, at the interface between the outlet of the connector and the tube, the area was found to be 0.637 +/- 0.306 mm2. Thus, significantly larger amounts of thrombus were formed at the outlet interface (p < 0.01). The thrombus formation area at the outlet interface increased over time. Conversely, the area of thrombus formation showed repeated increasing and decreasing behavior at the inlet interface. Flow visualization with particle image velocimetry showed the presence of a flow separated area in the minimal flow phase at the inlet interface and a large recirculating slow flow region at the outlet interface in the minimal flow phase. These data suggested that the recirculating stagnant flow region contributed to thrombus growth. CONCLUSIONS: The method presented here was effective in quantitatively assessing time-dependent phenomena of thrombus formation at the connector-tube interface. The method may contribute to the assessment of thrombogenicity of a novel design of connector. PMID- 29216226 TI - Startling similarity: Effects of facial self-resemblance and familiarity on the processing of emotional faces. AB - Facial self-resemblance has been associated with positive emotional evaluations, but this effect may be biased by self-face familiarity. Here we report two experiments utilizing startle modulation to investigate how the processing of facial expressions of emotion is affected by subtle resemblance to the self as well as to familiar faces. Participants of the first experiment (I) (N = 39) were presented with morphed faces showing happy, neutral, and fearful expressions which were manipulated to resemble either their own or unknown faces. At SOAs of either 300 ms or 3500-4500 ms after picture onset, startle responses were elicited by binaural bursts of white noise (50 ms, 105 dB), and recorded at the orbicularis oculi via EMG. Manual reaction time was measured in a simple emotion discrimination paradigm. Pictures preceding noise bursts by short SOA inhibited startle (prepulse inhibition, PPI). Both affective modulation and PPI of startle in response to emotional faces was altered by physical similarity to the self. As indexed both by relative facilitation of startle and faster manual responses, self-resemblance apparently induced deeper processing of facial affect, particularly in happy faces. Experiment II (N = 54) produced similar findings using morphs of famous faces, yet showed no impact of mere familiarity on PPI effects (or response time, either). The results are discussed with respect to differential (presumably pre-attentive) effects of self-specific vs. familiar information in face processing. PMID- 29216227 TI - Immunoparesis in newly diagnosed Multiple Myeloma patients: Effects on overall survival and progression free survival in the Danish population. AB - Immunoparesis (hypogammaglobulinemia) is associated to an unfavorable prognosis in newly diagnosed Multiple myeloma (MM) patients. However, this finding has not been validated in an unselected population-based cohort. We analyzed 2558 newly diagnosed MM patients in the Danish Multiple Myeloma Registry representing the entire MM population in Denmark from 2005-2013. Two-thousand two hundred and fifty three patients (90%) presented with reduction below lower normal levels of at least one uninvolved immunoglobulin. Using multivariable Cox regression we found that high age, high ISS score, high LDH and IgA MM were associated to both shorter overall survival and progression free survival. Furthermore, bone marrow plasma cell % was associated to short progression free survival. Immunoparesis had no independent significant effect on OS (HR 0.9 (95%CI: 0.7;1.0; p = 0.12)). Likewise, the number of suppressed immunoglobulins or the relative degree of suppressed uninvolved immunoglobulins from lower normal level (quantitative immunoparesis) was not associated to OS in the multivariable analysis. However, quantitative immunoparesis with at least 25% reduction (from lower normal level) of uninvolved immunoglobulins was associated to shorter PFS for the entire population. The impact of quantitative immunoparesis on PFS was present irrespective of calendar periods 2005-2008 and 2009-2013. Our population-based study does not confirm that immunoparesis at diagnosis is an independent prognostic factor regarding OS. However, quantitative immunoparesis is associated to a shorter PFS. PMID- 29216228 TI - Primary prevention of myocardial infarction with angiotensin-converting enzyme inhibitors and angiotensin receptor blockers in hypertensive patients with rheumatoid arthritis-A nationwide cohort study. AB - BACKGROUND: Rheumatoid arthritis (RA) is regarded as a high risk factor for myocardial infarction. Hypertension is a major modifiable risk factor contributing to increased risk of myocardial infarction (MI). Dual blood pressure (BP)-lowering and anti-inflammatory effect of renin-angiotensin-system (RAS) inhibitors may possess protective effect from MI in RA population. However, treatment of hypertension with RAS inhibitors and MI in RA population remains unclear. METHODS: We investigated whether RAS blockade could decrease risk of incident MI in hypertensive patients with RA. We identified patients with RA and hypertension from the Registry for Catastrophic Illness, a nation-wide database encompassing almost all of the RA patients in Taiwan from 1995 to 2008. The primary endpoint was MI and the median duration of follow up was 2,986 days. Propensity score weighting and Cox proportional hazards regression models were used to estimate hazard ratios for MI. RESULTS: Among 27,335 subjects, 9.9% received angiotensin-converting enzyme inhibitors (ACEIs), 25.9% received angiotensin II receptor blockers (ARBs) and 20.0% received ACEIs or ARBs alternatively. The incidence of MI significantly decreased in patients treated with ACEIs (hazard ratio 0.707; 95% confidence interval 0.595-0.840), ARBs (0.641; 0.550-0.747) and ACEIs/ARBs (0.631; 0.539-0.739). The protective effect of ACEI or ARB therapy was significantly better in patients taking longer duration. The effect remained robust in subgroup analyses. CONCLUSIONS: Therapy of ACEIs or ARBs is associated with a lower risk of MI among patients with RA. Hence, hypertension in patients with RA could comprise a compelling indication for RAS inhibitors. PMID- 29216229 TI - Factors associated with pre-diabetes in Tehranian men and women: A structural equations modeling. AB - OBJECTIVE: To examine associations of sex-specific related factors with pre diabetes in Tehranian non-diabetic adults. METHODS: This study has been conducted within the framework of the Tehran Lipid and Glucose Study (TLGS) between 2008 2010. A total of 5568 (55.4% female) non-diabetic adults, aged >=20 years, selected from among participants of the TLGS, were recruited for the study. Data on socio-behavioral factors, family history of diabetes and cardio-metabolic risk factors were included in the hypothesized model to test their direct and indirect associations with pre-diabetes in men and women separately, using structural equation modeling. RESULTS: Pre-diabetes was diagnosed in 23.6% of participants, with significantly higher prevalence in men compared to women (27.4% and 20.5%, respectively; p<0.001). Body mass index (BMI) and triglycerides (TG) in both sexes and hypertension and high density lipoprotein only in women, were directly associated with pre-diabetes (p<0.05). Poor diet in women was the only behavioral factor directly associated with pre-diabetes (p<0.05). Age in both sexes and education, only in women, were directly associated with pre-diabetes. In both genders, age, marital status, education, employment, poor diet and leisure time physical activity were indirectly associated with pre-diabetes through cardio metabolic risk factors. CONCLUSIONS: The main modifiable factors directly associated with pre-diabetes were TG in women and BMI in men, which need to be prioritized in health policies for diabetes prevention programs in Tehranian adults. Future research should focus on the gender-specific determinants and underlying mechanisms for TG levels and BMI status among this population. PMID- 29216230 TI - A comprehensive scoring system in correlation with perioperative airway management for neonatal Pierre Robin Sequence. AB - PURPOSE: To evaluate a comprehensive scoring system which combines clinical manifestations of Pierre Robin Sequence (PRS) including severity of breathing difficulties, body weight and preoperative Cormack-Lehane grade, for its correlation with perioperative PRS airway management decision. DESIGN: Forty PRS children were retrospectively recruited after surgery. Specialists examined all subjects and scored for clinical manifestations (1' - 4'), weight gain (1'- 4'), dyspnea scores (1'- 4'), and Cormack-Lehane grade (1'- 4'). The correlation of the integrated scores and the necessity of endotracheal intubation or laryngeal mask application were analyzed. In addition, the score correlation with postoperative dyspnea and/or low pulse oxygen saturation (SPO2) levels after extubation was determined. FINDINGS: In our study every individual patient had a score from 0' to 16', while the higher in the numbers represented higher risk of breathing difficulty. All patients with comprehensive scores <10 points underwent endotracheal intubation successfully. Patients scoring 10-12 points had an intubation success rate of 47%, whereas all patients scored >13 points required a laryngeal mask assisted airway management and were considered to have difficult airways. Dyspnea after extubation and postoperative low SPO2 occurred among patients who scored over 10 points. CONCLUSION: In PRS patients, preoperative weight gaining status and severity of dyspnea in combination with Cormack-Lehane classification provide a scoring system that could help to optimize airway management decisions such as endotracheal intubation or laryngeal mask airway placement and has the potential to predict postoperative dyspnea or low SPO2 levels. PMID- 29216231 TI - A computational model to investigate the effect of pennation angle on surface electromyogram of Tibialis Anterior. AB - This study has described and experimentally validated the differential electrodes surface electromyography (sEMG) model for tibialis anterior muscles during isometric contraction. This model has investigated the effect of pennation angle on the simulated sEMG signal. The results show that there is no significant effect of pennation angle in the range 0 degrees to 20 degrees to the single fibre action potential shape recorded on the skin surface. However, the changes with respect to pennation angle are observed in sEMG amplitude, frequency and fractal dimension. It is also observed that at different levels of muscle contractions there is similarity in the relationships with Root Mean Square, Median Frequency, and Fractal Dimension of the recorded and simulated sEMG signals. PMID- 29216233 TI - Parental absence predicts suicide ideation through emotional disorders. AB - The objectives of the study were to investigate the association between the parental absence and suicide ideation and to examine the roles of emotional disorders in the aforementioned relationship. Four thousand five hundred and thirteen children from rural areas in Jiangsu Province, China, participated in the study. Among the participants, 2416 were non-left-behind children (children living with both parents) and 1997 were left-behind children (children living with the absence of at least one parent). All participants responded to the Center for Epidemiological Studies Depression Scale for Children, the Multidimensional Anxiety Scale for Children, and a question regarding respondents' suicide ideation. Results indicated that as compared with non-left behind children, the left-behind children with both-parents absence were statistically more likely to show suicide ideation. Furthermore, all the three types parental absence-father absence, mother absence, and both-parents absence were significantly associated with negative emotional outcomes. Moreover, depression, social anxiety, and physical anxiety were shown to be significant mediators in the relationship of parental absence and suicide ideation of children. The stress of parental absence and its negative impact on children's mental health are discussed. PMID- 29216232 TI - Indole at low concentration helps exponentially growing Escherichia coli survive at high temperature. AB - A culture of stationary phase Escherichia coli cells has been reported to produce copious indole when exposed to high temperature (50 degrees C), and this response has been proposed to aid survival. We reinvestigated this phenomenon and found that indole production under these conditions is probably not a direct response to heat stress. Rather, E. coli produces indole when growth is prevented, irrespective of whether this is due to heat stress, antibiotic treatment or the removal of nutrients. Moreover, 300MUM indole produced at 50 degrees C does not improve the viability of heat stressed cells. Interestingly, a much lower concentration of indole (20 MUM) improves the survival of an indole-negative strain (DeltatnaA) when heat stressed during exponential growth. In addition we have shown that the distribution of tryptophanase, the enzyme responsible for indole synthesis, is highly heterogeneous among cells in a population, except during the transition between exponential and stationary phases. The observation that, despite the presence of the tryptophanase, very little indole is produced during early exponential phase suggests that there is post-translational regulation of the enzyme. PMID- 29216234 TI - Infant and dyadic assessment in early community-based screening for autism spectrum disorder with the PREAUT grid. AB - BACKGROUND: The need for early treatment of autism spectrum disorders (ASD) necessitates early screening. Very few tools have been prospectively tested with infants of less than 12 months of age. The PREAUT grid is based on dyadic assessment through interaction and shared emotion and showed good metrics for predicting ASD in very-high-risk infants with West syndrome. METHODS: We assessed the ability of the PREAUT grid to predict ASD in low-risk individuals by prospectively following and screening 12,179 infants with the PREAUT grid at four (PREAUT-4) and nine (PREAUT-9) months of age. A sample of 4,835 toddlers completed the Checklist for Autism in Toddlers (CHAT) at 24 months (CHAT-24) of age. Children who were positive at one screening (N = 100) were proposed a clinical assessment (including the Children Autism Rating Scale, a Developmental Quotient, and an ICD-10-based clinical diagnosis if appropriate) in the third year of life. A randomly selected sample of 1,100 individuals who were negative at all screenings was followed by the PMI team from three to five years of age to identify prospective false negative cases. The clinical outcome was available for 45% (N = 45) of positive children and 52.6% (N = 579) of negative children. RESULTS: Of the 100 children who screened positive, 45 received a diagnosis at follow-up. Among those receiving a diagnosis, 22 were healthy, 10 were diagnosed with ASD, seven with intellectual disability (ID), and six had another developmental disorder. Thus, 50% of infants positive at one screening subsequently received a neurodevelopmental diagnosis. The PREAUT grid scores were significantly associated with medium and high ASD risk status on the CHAT at 24 months (odds ratio of 12.1 (95%CI: 3.0-36.8), p < 0.001, at four months and 38.1 (95%CI: 3.65-220.3), p < 0.001, at nine months). Sensitivity (Se), specificity, negative predictive values, and positive predictive values (PPVs) for PREAUT at four or nine months, and CHAT at 24 months, were similar [PREAUT-4: Se = 16.0 to 20.6%, PPV = 25.4 to 26.3%; PREAUT-9: Se = 30.5 to 41.2%, PPV = 20.2 to 36.4%; and CHAT-24: Se = 33.9 to 41.5%, PPV = 27.3 to 25.9%]. The repeated use of the screening instruments increased the Se but not PPV estimates [PREAUT and CHAT combined: Se = 67.9 to 77.7%, PPV = 19.0 to 28.0%]. CONCLUSIONS: The PREAUT grid can contribute to very early detection of ASD and its combination with the CHAT may improve the early diagnosis of ASD and other neurodevelopmental disorders. PMID- 29216236 TI - Aggregated responses of human mobility to severe winter storms: An empirical study. AB - Increasing frequency of extreme winter storms has resulted in costly damages and a disruptive impact on the northeastern United States. It is important to understand human mobility patterns during such storms for disaster preparation and relief operations. We investigated the effects of severe winter storms on human mobility during a 2015 blizzard using 2.69 million Twitter geolocations. We found that displacements of different trip distances and radii of gyration of individuals' mobility were perturbed significantly. We further explored the characteristics of perturbed mobility during the storm, and demonstrated that individuals' recurrent mobility does not have a higher degree of similarity with their perturbed mobility, when comparing with its similarity to non-perturbed mobility. These empirical findings on human mobility impacted by severe winter storms have potential long-term implications on emergency response planning and the development of strategies to improve resilience in severe winter storms. PMID- 29216235 TI - Association between memory impairment and brain metabolite concentrations in North Korean refugees with posttraumatic stress disorder. AB - Individuals with posttraumatic stress disorder (PTSD) had experiences of enormous psychological stress that can result in neurocognitive and neurochemical changes. To date, the causal relationship between them remains unclear. The present study is to investigate the association between neurocognitive characteristics and neural metabolite concentrations in North Korean refugees with PTSD. A total of 53 North Korean refugees with or without PTSD underwent neurocognitive function tests. For neural metabolite scanning, magnetic resonance spectroscopy of the hippocampus and anterior cingulate cortex (ACC) has been conducted. We assessed between-group differences in neurocognitive test scores and metabolite levels. Additionally, a multiple regression analysis was carried out to evaluate the association between neurocognitive function and metabolite levels in patients with PTSD. Memory function, but not other neurocognitive functions, was significantly lower in the PTSD group compared with the non-PTSD group. Hippocampal N-acetylaspartate (NAA) levels were not different between groups; however, NAA levels were significantly lower in the ACC of the PTSD group than the non-PTSD group (t = 2.424, p = 0.019). The multiple regression analysis showed a negative association between hippocampal NAA levels and delayed recall score on the auditory verbal learning test (beta = -1.744, p = 0.011) in the non PTSD group, but not in the PTSD group. We identified specific memory impairment and the role of NAA levels in PTSD. Our findings suggest that hippocampal NAA has a protective role in memory impairment and development of PTSD after exposure to traumatic events. PMID- 29216237 TI - The nutraceutical benefits of subfractions of Abelmoschus esculentus in treating type 2 diabetes mellitus. AB - Abelmoschus esculentus (AE), a commonly consumed vegetable, is well-known for its anti-hyperglycemic effects. However, few scientific reports have identified its targets because mucilage increases the difficulty of manipulation. We recently reported extraction steps to obtain subfractions of AE, which were found to attenuate the adverse effects of high glucose and fatty acid in vitro. In this study, we used modified extraction steps and type 2 diabetic rats to explore whether AE subfractions can improve the metabolic disturbances caused by insulin resistance in vivo. AE subfractions (F1, F2, and FR) were prepared. The type 2 diabetes model was induced by feeding male Sprague-Dawley rats with a high-fat diet and injecting them with 35 mg/kgbw streptozotocin when their body weight reached 475 +/- 15 g. After a hyperglycemic status had been confirmed, the rats were tube-fed with or without different doses of AE subfractions. Serum glucose, lipid markers, insulin, HbA1c and HOMA-IR were measured in the following 12 weeks. Serum glucose promptly increased and insulin resistance was noted in the diabetic rats (glucose: 360-500 mg/dl, HOMA-IR 9.8-13.8). F2, rich in polysaccharides and carbohydrates, was most effective in attenuating hyperglycemia and insulin resistance (glucose: 200 mg/dl; HOMA-IR: 5.3) and especially HbA1C (from 8.0% to 6.5%). All of the AE subfractions lowered the level of triglycerides and free fatty acid, but not the level of total cholesterol. FR significantly increased the high-density lipoprotein/low-density lipoprotein ratio, indicating its benefits for lipoprotein profiles. While F2 and FR were associated with weight gain, F1 possessed an anti-obese effect. In conclusion, whether it is consumed as a vegetable or as a nutraceutical, AE has the potential to be an adjuvant therapy for diabetes. AE subfractions could be developed individually and deserve further investigation. PMID- 29216238 TI - Mother-infant interaction assessment at discharge and at 6 months in a French cohort of infants born very preterm: The OLIMPE study. AB - OBJECTIVES: The principal aim was to investigate the feasibility of assessing mother-infant interactions at discharge and at 6 months infant corrected age in singletons born before 32 weeks of gestation. The secondary aims were to describe these interactions and their disorders, explore the association between maternal emotional state and the interactions, and assess the relationship between disordered interactions and infant social withdrawal behaviour. METHODS: OLIMPE is an ancillary study of the population-based study EPIPAGE 2, which recruited preterm neonates in France in 2011. 163 dyads participated at discharge and 148 at 6 months. Interactions were observed with the Attachment During Stress (ADS) scale, which includes two behavioural subscales, for the mother (m-ADS) and her infant (i-ADS). Two professionals independently completed the ADS scales for one third of the observations. Maternal emotional state was assessed using self administered questionnaires of depression, anxiety, and stress. Infant's social withdrawal behaviour at 6 months was measured by the Alarm Distress Baby scale. RESULTS: At discharge, 15.3% of the m-ADS scales and 43.3% of the i-ADS scales had at least one unobserved component. At 6 months, all items on both scales were noticeable in >90% of the dyads. Reliability, estimated by the kappa coefficient, ranged between 0.39 and 0.76 at discharge, and between 0.21 and 0.69 at 6 months. Disordered interactions were indicated on 48.6% of the m-ADS scales and 36.5% of the i-ADS scales at discharge. At 6 months, these rates were 32.6% and 26.0%. Disordered interactions at 6 months were associated with identified disorder at discharge. Insecure infant attachment was not influenced by maternal mental health but was strongly associated with infant social withdrawal behaviour. CONCLUSIONS: The ADS scale can be used to screen for early interaction disorders after premature birth and may help to target dyads that would most benefit from early intervention. PMID- 29216239 TI - Effects of early afterdepolarizations on excitation patterns in an accurate model of the human ventricles. AB - Early Afterdepolarizations, EADs, are defined as the reversal of the action potential before completion of the repolarization phase, which can result in ectopic beats. However, the series of mechanisms of EADs leading to these ectopic beats and related cardiac arrhythmias are not well understood. Therefore, we aimed to investigate the influence of this single cell behavior on the whole heart level. For this study we used a modified version of the Ten Tusscher Panfilov model of human ventricular cells (TP06) which we implemented in a 3D ventricle model including realistic fiber orientations. To increase the likelihood of EAD formation at the single cell level, we reduced the repolarization reserve (RR) by reducing the rapid delayed rectifier Potassium current and raising the L-type Calcium current. Varying these parameters defined a 2D parametric space where different excitation patterns could be classified. Depending on the initial conditions, by either exciting the ventricles with a spiral formation or burst pacing protocol, we found multiple different spatio temporal excitation patterns. The spiral formation protocol resulted in the categorization of a stable spiral (S), a meandering spiral (MS), a spiral break up regime (SB), spiral fibrillation type B (B), spiral fibrillation type A (A) and an oscillatory excitation type (O). The last three patterns are a 3D generalization of previously found patterns in 2D. First, the spiral fibrillation type B showed waves determined by a chaotic bi-excitable regime, i.e. mediated by both Sodium and Calcium waves at the same time and in same tissue settings. In the parameter region governed by the B pattern, single cells were able to repolarize completely and different (spiral) waves chaotically burst into each other without finishing a 360 degree rotation. Second, spiral fibrillation type A patterns consisted of multiple small rotating spirals. Single cells failed to repolarize to the resting membrane potential hence prohibiting the Sodium channel gates to recover. Accordingly, we found that Calcium waves mediated these patterns. Third, a further reduction of the RR resulted in a more exotic parameter regime whereby the individual cells behaved independently as oscillators. The patterns arose due to a phase-shift of different oscillators as disconnection of the cells resulted in continuation of the patterns. For all patterns, we computed realistic 9 lead ECGs by including a torso model. The B and A type pattern exposed the behavior of Ventricular Tachycardia (VT). We conclude that EADs at the single cell level can result in different types of cardiac fibrillation at the tissue and 3D ventricle level. PMID- 29216240 TI - The factor structure and construct validity of the inventory of callous unemotional traits in Chinese undergraduate students. AB - The current study assesses the factor structure and construct validity of the self-reported Inventory of Callous-Unemotional Traits (ICU) in 637 Chinese community adults (mean age = 25.98, SD = 5.79). A series of theoretical models proposed in previous studies were tested through confirmatory factor analyses. Results indicated that a shortened form that consists of 11 items (ICU-11) to assess callousness and uncaring factors has excellent overall fit. Additionally, correlations with a wide range of external variables demonstrated that this shortened form has similar construct validity compared to the original ICU. In conclusion, our findings suggest that the ICU-11 may be a promising self-report tool that could be a good substitute for the original form to assess callous uncaring traits in adults. PMID- 29216241 TI - Discussion about different cut-off values of conventional hamstring-to-quadriceps ratio used in hamstring injury prediction among professional male football players. AB - OBJECTIVE: To measure the sensitivity and specificity of differences cut-off values for isokinetic Hcon/Qcon ratio in order to improve the capacity to evaluate (retrospectively) the injury of hamstring muscles in professional soccer screened with knee isokinetic tests. DESIGN: Retrospective study. METHODS: Medical and biomechanical data of professional football players playing for the same team for at least one season between 2010 and 2016 were analysed. Hamstring strain injury cases and the reports generated via isokinetic testing were investigated. Isokinetic concentric(con) hamstring(H) and quadriceps(Q) absolute strength in addition with Hcon/Qcon ratio were examined for the injured versus uninjured limbs among injured players, and for the injured and non-injured players. 2 x 2 contingency table was used for comparing variables: predicted injured or predicted uninjured with actual injured or actual uninjured. Sensitivity, specificity, accuracy, positive and negative predictive values, and positive and negative likelihood ratio were calculated for three different cut off values (0.47 vs. 0.6 vs. 0.658) to compare the discriminative power of an isokinetic test, whilst examining the key value of Hcon/Qcon ratio which may indicate the highest level of ability to predispose a player to injury. McNemar's chi2 test with Yates's correction was used to determine agreement between the tests. PQStat software was used for all statistical analysis, and an alpha level of p <0.05 was used for all statistical comparisons. RESULTS: 340 isokinetic test reports on both limbs of 66 professional soccer players were analysed. Eleven players suffered hamstring injuries during the analysed period. None of these players sustained recurrence of hamstring injury. One player sustained hamstring strain injury on both legs, thus the total number of injuries was 12. Application of different cut-off values for Hcon/Qcon significantly affected the sensitivity and specificity of isokinetic test used as a tool for muscle injury detection. The use of 0.47 of Hcon/Qcon as a discriminate value resulted in significantly lower sensitivity when compared to 0.658 threshold (sensitivity of 16.7% vs. 91.7%, respectively; t = 6.125,p = 0.0133). Calculated values of specificity (when three different cut-off were applied) were also significantly different. Threshold of 0.6 of Hcon/Qcon resulted with significantly lower specificity compared to 0.47 value (specificity of 46.9% vs. 94.5%, respectively; t = 153.0,p<0.0001), and significantly higher specificity when compared to 0.658 (specificity of 46.9% vs. 24.1%, respectively; t = 229.0, p<0.0001). CONCLUSION: The use of different cut-off values for Hcon/Qcon significantly affected the sensitivity and specificity of isokinetic testing. The interpretation of usefulness of isokinetic test as a screening tool in a group of male professional football players to predict hamstring injury occurrence within the next 12 months might be therefore significantly biased due to the different threshold values of Hcon/Qcon. Using one "normative" value as a cut-off (e.g. 0.47 or 0.60, or 0.658) to quantify soccer players (or not) to the group with a higher risk of knee injury might result in biased outcomes due to the natural strength asymmetry that is observed within the group of soccer players. PMID- 29216242 TI - The OxyR-regulated phnW gene encoding 2-aminoethylphosphonate:pyruvate aminotransferase helps protect Pseudomonas aeruginosa from tert-butyl hydroperoxide. AB - The LysR member of bacterial transactivators, OxyR, governs transcription of genes involved in the response to H2O2 and organic (alkyl) hydroperoxides (AHP) in the Gram-negative pathogen, Pseudomonas aeruginosa. We have previously shown that organisms lacking OxyR are rapidly killed by <2 or 500 mM H2O2 in planktonic and biofilm bacteria, respectively. In this study, we first employed a bioinformatic approach to elucidate the potential regulatory breadth of OxyR by scanning the entire P. aeruginosa PAO1 genome for canonical OxyR promoter recognition sequences (ATAG-N7-CTAT-N7-ATAG-N7-CTAT). Of >100 potential OxyR controlled genes, 40 were strategically selected that were not predicted to be involved in the direct response to oxidative stress (e.g., catalase, peroxidase, etc.) and screened such genes by RT-PCR analysis for potentially positive or negative control by OxyR. Differences were found in 7 of 40 genes when comparing an oxyR mutant vs. PAO1 expression that was confirmed by beta-galactosidase reporter assays. Among these, phnW, encoding 2-aminoethylphosphonate:pyruvate aminotransferase, exhibited reduced expression in the oxyR mutant compared to wild-type bacteria. Electrophoretic mobility shift assays indicated binding of OxyR to the phnW promoter and DNase I footprinting analysis also revealed the sequences to which OxyR bound. Interestingly, a phnW mutant was more susceptible to t-butyl-hydroperoxide (t-BOOH) treatment than wild-type bacteria. Although we were unable to define the direct mechanism underlying this phenomenon, we believe that this may be due to a reduced efficiency for this strain to degrade t-BOOH relative to wild-type organisms because of modulation of AHP gene transcription in the phnW mutant. PMID- 29216244 TI - Optimizing household survey methods to monitor the Sustainable Development Goals targets 6.1 and 6.2 on drinking water, sanitation and hygiene: A mixed-methods field-test in Belize. AB - BACKGROUND: The Sustainable Development Goals (SDGs) require household survey programmes such as the UNICEF-supported Multiple Indicator Cluster Surveys (MICS) to enhance data collection to cover new indicators. This study aims to evaluated methods for assessing water quality, water availability, emptying of sanitation facilities, menstrual hygiene management and the acceptability of water quality testing in households which are key to monitoring SDG targets 6.1 and 6.2 on drinking Water, Sanitation and Hygiene (WASH) and emerging issues. METHODS: As part of a MICS field test, we interviewed 429 households and 267 women age 15-49 in Stann Creek, Belize in a split-sample experiment. In a concurrent qualitative component, we conducted focus groups with interviewers and cognitive interviews with respondents during and immediately following questionnaire administration in the field to explore their question comprehension and response processes. FINDINGS: About 88% of respondents agreed to water quality testing but also desired test results, given the potential implications for their own health. Escherichia coli was present in 36% of drinking water collected at the source, and in 47% of samples consumed in the household. Both questions on water availability necessitated probing by interviewers. About one quarter of households reported emptying of pit latrines and septic tanks, though one-quarter could not provide an answer to the question. Asking questions on menstrual hygiene was acceptable to respondents, but required some clarification and probing. CONCLUSIONS: In the context of Belize, this study confirmed the feasibility of collecting information on the availability and quality of drinking water, emptying of sanitation facilities and menstrual hygiene in a multi-purpose household survey, indicating specific areas to improve question formulation and field protocols. Improvements have been incorporated into the latest round of MICS surveys which will be a major source of national data for monitoring of SDG targets for drinking water, sanitation and hygiene and emerging issues for WASH sector programming. PMID- 29216243 TI - The obesity paradox and incident cardiovascular disease: A population-based study. AB - BACKGROUND: Prior work suggests that obesity may confer a survival advantage among persons with cardiovascular disease (CVD). This obesity "paradox" is frequently studied in the context of prevalent disease, a stage in the disease process when confounding from illness-related weight loss and selective survival are especially problematic. Our objective was to examine the association of obesity with mortality among persons with incident CVD, where biases are potentially reduced, and to compare these findings with those based on prevalent disease. METHODS: We used data from the Health and Retirement Study, an ongoing, nationally representative longitudinal survey of U.S. adults age 50 years and older initiated in 1992 and linked to Medicare claims. Cox proportional hazard models were used to estimate the association between weight status and mortality among persons with specific CVD diagnoses. CVD diagnoses were established by self reported survey data as well as Medicare claims. Prevalent disease models used concurrent weight status, and incident disease models used pre-diagnosis weight status. RESULTS: We examined myocardial infarction, congestive heart failure, stroke, and ischemic heart disease. A strong and significant obesity paradox was consistently observed in prevalent disease models (hazard of death 18-36% lower for obese class I relative to normal weight), replicating prior findings. However, in incident disease models of the same conditions in the same dataset, there was no evidence of this survival benefit. Findings from models using survey vs. claims-based diagnoses were largely consistent. CONCLUSION: We observed an obesity paradox in prevalent CVD, replicating prior findings in a population based sample with longer-term follow-up. In incident CVD, however, we did not find evidence of a survival advantage for obesity. Our findings do not offer support for reevaluating clinical and public health guidelines in pursuit of a potential obesity paradox. PMID- 29216245 TI - Robustness of rigid and adaptive networks to species loss. AB - Controversies in the complexity-stability debate have been attributed to the methodologies used such as topological vs. dynamical approaches or rigid vs. adaptive foraging behaviour of species. Here, we use a bipartite network model that incorporates both topological and population dynamics to investigate the robustness of 60 real ecological networks to the loss of generalist and specialist species. We compare the response in both adaptive and rigid networks. Our results show that the removal of generalists leads to the most secondary extinctions, implying that conservation strategies should aim to protect generalist species in the ecosystem. We also show that adaptive behaviour renders networks vulnerable to species loss at initial stages but enhances long term stability of the system. However, whether adaptive networks are more robust to species loss than rigid ones depends on the structure of the network. Specifically, adaptive networks with modularity < 0.3 are more robust than rigid networks of the same modularity. Interestingly, the more modular a network is, the less robust it is to external perturbations. PMID- 29216246 TI - Draft genome sequence of Actinotignum schaalii DSM 15541T: Genetic insights into the lifestyle, cell fitness and virulence. AB - The permanent draft genome sequence of Actinotignum schaalii DSM 15541T is presented. The annotated genome includes 2,130,987 bp, with 1777 protein-coding and 58 rRNA-coding genes. Genome sequence analysis revealed absence of genes encoding for: components of the PTS systems, enzymes of the TCA cycle, glyoxylate shunt and gluconeogensis. Genomic data revealed that A. schaalii is able to oxidize carbohydrates via glycolysis, the nonoxidative pentose phosphate and the Entner-Doudoroff pathways. Besides, the genome harbors genes encoding for enzymes involved in the conversion of pyruvate to lactate, acetate and ethanol, which are found to be the end products of carbohydrate fermentation. The genome contained the gene encoding Type I fatty acid synthase required for de novo FAS biosynthesis. The plsY and plsX genes encoding the acyltransferases necessary for phosphatidic acid biosynthesis were absent from the genome. The genome harbors genes encoding enzymes responsible for isoprene biosynthesis via the mevalonate (MVA) pathway. Genes encoding enzymes that confer resistance to reactive oxygen species (ROS) were identified. In addition, A. schaalii harbors genes that protect the genome against viral infections. These include restriction modification (RM) systems, type II toxin-antitoxin (TA), CRISPR-Cas and abortive infection system. A. schaalii genome also encodes several virulence factors that contribute to adhesion and internalization of this pathogen such as the tad genes encoding proteins required for pili assembly, the nanI gene encoding exo-alpha sialidase, genes encoding heat shock proteins and genes encoding type VII secretion system. These features are consistent with anaerobic and pathogenic lifestyles. Finally, resistance to ciprofloxacin occurs by mutation in chromosomal genes that encode the subunits of DNA-gyrase (GyrA) and topisomerase IV (ParC) enzymes, while resistant to metronidazole was due to the frxA gene, which encodes NADPH-flavin oxidoreductase. PMID- 29216247 TI - The glycoprotein of vesicular stomatitis virus promotes release of virus-like particles from tetherin-positive cells. AB - Vesicular stomatitis virus (VSV) release from infected cells is inhibited by the interferon (IFN)-inducible antiviral host cell factor tetherin (BST-2, CD317). However, several viruses encode tetherin antagonists and it is at present unknown whether residual VSV spread in tetherin-positive cells is also promoted by a virus-encoded tetherin antagonist. Here, we show that the viral glycoprotein (VSV G) antagonizes tetherin in transfected cells, although with reduced efficiency as compared to the HIV-1 Vpu protein. Tetherin antagonism did not involve alteration of tetherin expression and was partially dependent on a GXXXG motif in the transmembrane domain of VSV-G. However, mutation of the GXXXG motif did not modulate tetherin sensitivity of infectious VSV. These results identify VSV-G as a tetherin antagonist in transfected cells but fail to provide evidence for a contribution of tetherin antagonism to viral spread. PMID- 29216248 TI - Effect of land-use changes on the abundance, distribution, and host-seeking behavior of Aedes arbovirus vectors in oil palm-dominated landscapes, southeastern Cote d'Ivoire. AB - BACKGROUND: Identifying priority areas for vector control is of considerable public health relevance. Arthropod-borne viruses (arboviruses) spread by Aedes mosquitoes are (re)emerging in many parts of the tropics, partially explained by changes in agricultural land-use. We explored the effects of land-use changes on the abundance, distribution, and host-seeking behavior of Aedes mosquitoes along a gradient of anthropogenic disturbance in oil palm-dominated landscapes in southeastern Cote d'Ivoire. METHODOLOGY: Between January and December 2014, eggs, larvae, pupae, and adults of Aedes mosquitoes were sampled in four types of macrohabitats (rainforest, polyculture, oil palm monoculture, and rural housing areas), using standard procedures (bamboo-ovitraps, metallic-ovitraps, larval surveys, and human-baited double-net traps). Immature stages were reared and adult mosquitoes identified at species level. PRINCIPAL FINDINGS: A total of 28,276 Aedes specimens belonging to 11 species were collected. No Aedes-positive microhabitat and only four specimens of Ae. aegypti were found in oil palm monoculture. The highest abundance of Aedes mosquitoes (60.9%) was found in polyculture, while the highest species richness (11 species) was observed in rainforest. Ae. aegypti was the predominant Aedes species, and exhibited high anthropophilic behavior inflicting 93.0% of total biting to humans. The biting rate of Aedes mosquitoes was 34.6 and 7.2-fold higher in polyculture and rural housing areas, respectively, compared to rainforest. Three species (Ae. aegypti, Ae. dendrophilus, and Ae. vittatus) bit humans in polyculture and rural housing areas, with respective biting rates of 21.48 and 4.48 females/person/day. Unexpectedly, all three species were also feeding during darkness. Aedes females showed bimodal daily feeding cycles with peaks at around 08:00 a.m. and 05:00 p.m. Host-seeking activities were interrupted between 11:00 a.m. and 02:00 p.m. in rural housing areas, while no such interruption was observed in polyculture. Some rainforest-dwelling Aedes species displayed little preference to feed on humans. CONCLUSIONS: In southeastern Cote d'Ivoire, the agricultural land use/land-cover changes due to the conversion of rainforest into oil palm monocultures influence the abundance, distribution, and host-seeking behaviors of anthropophagic and non-anthropophagic Aedes vectors. As a result, there is higher risk of humans to arbovirus transmission in polyculture and rural housing areas. There is a need for integrated vector management, including landscape epidemiology and ecotope-based vector control. PMID- 29216249 TI - Longer time to peak glucose during the oral glucose tolerance test increases cardiovascular risk score and diabetes prevalence. AB - INTRODUCTION: The pattern of glucose levels during an oral glucose tolerance test (OGTT) may be useful for predicting diabetes or cardiovascular disease (CVD). Our aim was to determine whether the time to peak glucose during the OGTT is associated with CVD risk scores and diabetes. METHODS: Individuals with impaired fasting glucose (IFG) were enrolled in this observational study. Participants were grouped by the measured time to peak glucose (30, 60, 90 and 120 min) during the 75g OGTT. The primary outcome was 10-year CVD risk scores (using the Framingham risk score calculator). Secondary outcomes evaluated effect of time to peak glucose on prevalence of diabetes and indicators of glucose homeostasis. RESULTS: A total of 125 patients with IFG underwent OGTTs. Framingham 10-year risk score for the 90-min group was 1.7 times higher than for the 60-min group (6.98+/-6.56% vs. 4.05+/-4.60%, P = 0.023). Based on multivariate linear regression, time to peak glucose at 90 min was associated with a higher Framingham risk score than 60-min group (beta coefficient: 2.043, 95% confidence interval: 0.067-6.008, P = 0.045). The percentages of patients with HbA1c >=6.5%, isolated post-challenge hyperglycemia (IPH) and diabetes (combined IPH and HbA1c >=6.5%) were significantly increased with longer times to peak glucose. Prevalence of diabetes was higher in the 90-min group than in the 60-min group (31.5% vs. 5.7%, P = 0.001). CONCLUSIONS: In subjects with IFG, those with a longer time to peak glucose had a higher Framingham 10-year risk score and were associated with a greater likelihood of IPH and diabetes. PMID- 29216250 TI - A randomized controlled trial of Roux-en-Y gastrojejunostomy vs. gastroduodenostomy with respect to the improvement of type 2 diabetes mellitus after distal gastrectomy in gastric cancer patients. AB - The purpose of this study is to compare the effect of diabetes control induced by Roux-en-Y gastrojejunostomy(RY) vs Billroth-I reconstruction(BI) after distal gastrectomy in patients with early gastric cancer(EGC) and type 2 diabetes(T2DM). Forty EGC patients with T2DM, aged 20-80 years, who were expected to undergo curative distal gastrectomy were randomized 1:1 to RY(n = 20) or BI(n = 20). Diabetes medication status, biochemical and hormonal data including blood glucose, HbA1c, insulin, C-peptide, HOMA-IR, ghrelin, leptin, GLP-1, PYY, and GIP were evaluated for 12 months after surgery. Although pre- and postoperative 12 month fasting and postprandial glucose levels did not show a significant difference, HbA1c, C-peptide, and HOMA-IR levels were significantly improved at 12 months after surgery in both BI and RY groups. Sixty percent of RY patients and 20% of BI patients decreased their medication satisfying FBS<126 mg/dL and HbA1c<6.5% and 5% of BI patients stopped their medication satisfying the criteria of FBS<126 mg/dL and HbA1c<6.0%. The improvement patterns were more sustainable with less fluctuation in RY than in BI. On hormonal analysis, ghrelin and leptin levels were decreased and PYY and GIP levels were increased at 12 months after surgery in both groups without significant difference according to the reconstruction type and diabetic improvement status except ghrelin. In gastric cancer surgery, RY reconstruction showed better and more durable diabetes control compared to BI during the first year after surgery. Gastric cancer surgery led to decreased ghrelin and leptin and increased PYY and GIP, which might have a role in improving insulin resistance and glucose homeostasis. PMID- 29216251 TI - Molecular characterization of hepatitis B virus in Bangladesh reveals a highly recombinant population. AB - The natural history and treatment outcome of hepatitis B viruses (HBV) infection is largely dependent on genotype, subgenotype, and the presence or absence of virulence associated mutations. We have studied the prevalence of genotype and subgenotype as well as virulence and drug resistance associated mutations and prevalence of recombinant among HBV from Bangladesh. A prospective cross sectional study was conducted among treatment naive chronic HBV patients attending at Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh for HBV viral load assessment between June and August 2015. Systematical selected 50% of HBV DNA positive patients (every second patient) were enrolled. Biochemical and serological markers for HBV infection and whole genome sequencing (WGS) was performed on virus positive sample. Genotype, subgenotype, virulence, nucleos(t)ide analogue (NA) resistance (NAr) mutations, and the prevalence of recombinant isolates were determined. Among 114 HBV DNA positive patients, 57 were enrolled in the study and 53 HBV WGS were generated for downstream analysis. Overall, 38% (22/57) and 62% (35/57) of patients had acute and chronic HBV infections, respectively. The prevalence of genotypes A, C, and D was 18.9% (10/53), 45.3% (24/53), and 35.8% (19/53), respectively. Among genotype A, C and D isolates subgenotype A1 (90%; 9/10), C1 (87.5%; 21/24) and D2 (78.9%; 15/19) predominates. The acute infection, virulence associated mutations, and viral load was higher in the genotype D isolates. Evidence of recombination was identified in 22.6% (12/53) of the HBV isolates including 20.0% (2/10), and 16.7% (4/24) and 31.6% (6/19) of genotype A, C and D isolates, respectively. The prevalence of recombination was higher in chronic HVB patients (32.2%; 10/31 versus 9.1%; 2/22); p<0.05. NAr mutations were identified in 47.2% (25/53) of the isolates including 33.9% novel mutations (18/53). HBV genotype C and D predominated in this population in Bangladesh; a comparatively high prevalence of recombinant HBV are circulating in this setting. PMID- 29216252 TI - Global computational mutagenesis provides a critical stability framework in protein structures. AB - A protein's amino acid sequence dictates the folds and final structure the macromolecule will form. We propose that by identifying critical residues in a protein's atomic structure, we can select a critical stability framework within the protein structure essential to proper protein folding. We use global computational mutagenesis based on the unfolding mutation screen to test the effect of every possible missense mutation on the protein structure to identify the residues that cannot tolerate a substitution without causing protein misfolding. This method was tested using molecular dynamics to simulate the stability effects of mutating critical residues in proteins involved in inherited disease, such as myoglobin, p53, and the 15th sushi domain of complement factor H. In addition we prove that when the critical residues are in place, other residues may be changed within the structure without a stability loss. We validate that critical residues are conserved using myoglobin to show that critical residues are the same for crystal structures of 6 different species and comparing conservation indices to critical residues in 9 eye disease-related proteins. Our studies demonstrate that by using a selection of critical elements in a protein structure we can identify a critical protein stability framework. The frame of critical residues can be used in genetic engineering to improve small molecule binding for drug studies, identify loss-of-function disease causing missense mutations in genetics studies, and aide in identifying templates for homology modeling. PMID- 29216253 TI - Changes in social capital and depressive states of middle-aged adults in Japan. AB - The present study examines the relationships between changes in bonding and bridging types of social capital and depressive states among middle-aged adults in Japan using a nationally representative sample. Data was collected from a nationwide, population-based survey conducted from 2005 to 2013 in nine annual waves. A total of 16,737 middle-aged men and 17,768 middle-aged women provided data. They reported about depressive states, measured by Kessler 6 scores, and bonding and bridging types of social capital, measured by reported participation in different social activities. Latent growth modeling was conducted to examine relations between changes in bonding and bridging types of social capital and depressive states within individuals across the nine waves. The results showed that, for both men and women, increases in bonding social capital were associated with decreases in depressive states, while changes in bridging social capital were not related to changes in depressive states. In addition, the results showed that changes in bonding social capital, but not bonding social capital at the baseline, affected changes in depressive states. Future studies should take changes in social capital as an independent variable into consideration. PMID- 29216255 TI - Forecasting success via early adoptions analysis: A data-driven study. AB - Innovations are continuously launched over markets, such as new products over the retail market or new artists over the music scene. Some innovations become a success; others don't. Forecasting which innovations will succeed at the beginning of their lifecycle is hard. In this paper, we provide a data-driven, large-scale account of the existence of a special niche among early adopters, individuals that consistently tend to adopt successful innovations before they reach success: we will call them Hit-Savvy. Hit-Savvy can be discovered in very different markets and retain over time their ability to anticipate the success of innovations. As our second contribution, we devise a predictive analytical process, exploiting Hit-Savvy as signals, which achieves high accuracy in the early-stage prediction of successful innovations, far beyond the reach of state of-the-art time series forecasting models. Indeed, our findings and predictive model can be fruitfully used to support marketing strategies and product placement. PMID- 29216254 TI - International Classification of Diseases (ICD)-coded obesity predicts risk of incident osteoporotic fracture. AB - International Classification of Diseases (ICD) codes have been used to ascertain individuals who are obese. There has been limited research about the predictive value of ICD-coded obesity for major chronic conditions at the population level. We tested the utility of ICD-coded obesity versus measured obesity for predicting incident major osteoporotic fracture (MOF), after adjusting for covariates (i.e., age and sex). In this historical cohort study (2001-2015), we selected 61,854 individuals aged 50 years and older from the Manitoba Bone Mineral Density Database, Canada. Body mass index (BMI) >=30 kg/m2 was used to define measured obesity. Hospital and physician ICD codes were used to ascertain ICD-coded obesity and incident MOF. Average cohort age was 66.3 years and 90.3% were female. The sensitivity, specificity and positive predictive value for ICD-coded obesity using measured obesity as the reference were 0.11 (95% confidence interval [CI]: 0.10, 0.11), 0.99 (95% CI: 0.99, 0.99) and 0.79 (95% CI: 0.77, 0.81), respectively. ICD-coded obesity (adjusted hazard ratio [HR] 0.83; 95% CI: 0.70, 0.99) and measured obesity (adjusted HR 0.83; 95% CI: 0.78, 0.88) were associated with decreased MOF risk. Although the area under the receiver operating characteristic curve (AUROC) estimates for incident MOF were not significantly different for ICD-coded obesity versus measured obesity (0.648 for ICD-coded obesity versus 0.650 for measured obesity; P = 0.056 for AUROC difference), the category-free net reclassification index for ICD-coded obesity versus measured obesity was -0.08 (95% CI: -0.11, -0.06) for predicting incident MOF. ICD-coded obesity predicted incident MOF, though it had low sensitivity and reclassified MOF risk slightly less well than measured obesity. PMID- 29216257 TI - A decoy chain deployment method based on SDN and NFV against penetration attack. AB - Penetration attacks are one of the most serious network security threats. However, existing network defense technologies do not have the ability to entirely block the penetration behavior of intruders. Therefore, the network needs additional defenses. In this paper, a decoy chain deployment (DCD) method based on SDN+NFV is proposed to address this problem. This method considers about the security status of networks, and deploys decoy chains with the resource constraints. DCD changes the attack surface of the network and makes it difficult for intruders to discern the current state of the network. Simulation experiments and analyses show that DCD can effectively resist penetration attacks by increasing the time cost and complexity of a penetration attack. PMID- 29216256 TI - DNA methylation levels in candidate genes associated with chronological age in mammals are not conserved in a long-lived seabird. AB - Most seabirds do not have any outward identifiers of their chronological age, so estimation of seabird population age structure generally requires expensive, long term banding studies. We investigated the potential to use a molecular age biomarker to estimate age in short-tailed shearwaters (Ardenna tenuirostris). We quantified DNA methylation in several A. tenuirostris genes that have shown age related methylation changes in mammals. In birds ranging from chicks to 21 years of age, bisulphite treated blood and feather DNA was sequenced and methylation levels analysed in 67 CpG sites in 13 target gene regions. From blood samples, five of the top relationships with age were identified in KCNC3 loci (CpG66: R2 = 0.325, p = 0.019). In feather samples ELOVL2 (CpG42: R2 = 0.285, p = 0.00048) and EDARADD (CpG46: R2 = 0.168, p = 0.0067) were also weakly correlated with age. However, the majority of markers had no clear association with age (of 131 comparisons only 12 had a p-value < 0.05) and statistical analysis using a penalised lasso approach did not produce an accurate ageing model. Our data indicate that some age-related signatures identified in orthologous mammalian genes are not conserved in the long-lived short tailed shearwater. Alternative molecular approaches will be required to identify a reliable biomarker of chronological age in these seabirds. PMID- 29216258 TI - Drought stress leads to systemic induced susceptibility to a nectrotrophic fungus associated with mountain pine beetle in Pinus banksiana seedlings. AB - Conifers have complex defense responses to initial attacks by insects and pathogens that can have cascading effects on success of subsequent colonizers. However, drought can affect a plant's ability to respond to biotic agents by potentially altering the resources needed for the energetically costly production of induced defense chemicals. We investigated the impact of reduced water on induced chemical defenses of jack pine (Pinus banksiana) seedlings from initial attack by biotic agents and resistance to subsequent challenge inoculation with a pathogenic fungal associate of mountain pine beetle (Dendroctonus ponderosae), Grosmannia clavigera. Applications of phytohormones (methyl salicylate and methyl jasmonate) and G. clavigera were used for initial induction of defenses. Monoterpene concentrations varied with initial induction from fungal and phytohormone application while watering treatment had no effect. Seedlings treated with G. clavigera and methyl jasmonate had the greatest monoterpene concentrations compared to the control and methyl salicylate-treated seedlings. However, the monoterpene response to the challenge inoculation varied with watering treatments, not with prior induction treatments, with lower monoterpene concentrations in fungal lesions on seedlings in the low to moderate watering treatments compared to normal watering treatment. Furthermore, prior induction from phytohormones resulted in systemic cross-induction of resistance to G. clavigera under normal watering treatment but susceptibility under low watering treatment. Seedlings stressed by low water conditions, which also had lower stomatal conductance than seedlings in the normal watering treatment, likely allocated resources to initial defense response but were left unable to acquire further resources for subsequent responses. Our results demonstrate that drought can affect interactions among tree-infesting organisms through systemic cross induction of susceptibility. PMID- 29216259 TI - The prognostic impact of the platelet distribution width-to-platelet count ratio in patients with breast cancer. AB - Activated platelets promote tumor cell growth, angiogenesis, and invasion. Platelet activity can be inferred by platelet volume indices (PVIs), which include platelet distribution width (PDW), mean platelet volume (MPV), platelet distribution width-to-platelet count ratio (PDW/P), and mean platelet volume-to platelet count ratio. Platelets and platelet-related markers, such as the platelet-to-lymphocyte ratio, have been found to be significant prognostic factors in patients with breast cancer. However, the role of PVIs for predicting survival in breast cancer remains unknown; hence, we performed this retrospective analysis of 275 patients with breast cancer. PVIs were compared with clinicopathological variables, and were assessed to identify independent indicators associated with disease-free survival (DFS) using the Cox proportional hazards model. An elevated PDW/P significantly correlated with age and HER2 status. Univariate analysis revealed that elevated PDW, MPV, and PDW/P as well as tumor size, nuclear grade, and lymph node involvement were significantly associated with inferior DFS rates (tumor size: p<0.01; nuclear grade, lymph node involvement, PDW, MPV, and PDW/P: p<0.05). On multivariate analysis, a large tumor size and elevated PDW/P were significant prognostic factors for DFS, with hazard ratios of 3.24 (95% confidence interval [CI]: 1.24-8.47) and 2.99 (95% CI: 1.18-7.57), respectively (p<0.05). Our study is the first to reveal that an elevated PDW/P significantly reduces DFS in patients with breast carcinoma. Measuring the PDW/P is simple, relatively inexpensive, and almost universally available using routine blood counts; this makes it an attractive biomarker for improved risk assessment. PMID- 29216260 TI - Angiotensin receptor blockers are associated with lower mortality than ACE inhibitors in predialytic stage 5 chronic kidney disease: A nationwide study of therapy with renin-angiotensin system blockade. AB - Dual renin angiotensin system (RAS) blockade using angiotensin-receptor blockers (ARBs) in combination with angiotensin converting enzyme inhibitors (ACEIs) is reported to improve proteinuria in both diabetic and non-diabetic patients. However, its renoprotective effect and safety remain uncertain in patients with advanced chronic kidney disease (CKD). From January 1, 2000 through June 30, 2009, we enrolled 14,117 pre-dialytic stage 5 CKD patients with serum creatinine >6mg/dL and hematocrit <28% under the treatment with erythropoiesis stimulating agents and RAS blockade. We used Cox proportional hazards regression models to estimate the hazard ratios (HRs) against the commencement of long-term dialysis and all-cause mortality for ACEI/ARB users. Over a median follow-up of 7 months, 9,867 patients (69.9%) required long-term dialysis and 2,805 (19.9%) died before progression to end-stage renal disease requiring dialysis. In comparison with the ARB-only users, dual blockade with ACEIs and ARBs was associated with a significantly higher risk of (1) death in all CKD patients (HR = 1.49, [95%CI, 1.30-1.71]; P = 0.02) and in diabetic subgroup (HR = 1.58, [95%CI, 1.34-1.86]; P = 0.02); (2) composite endpoint of long-term dialysis or death in diabetic subgroup (HR = 1.10, [95%CI, 1.01-1.20]; P = 0.04); (3) hyperkalemia-associated hospitalization in non-diabetic subgroup (HR, 2.74, [95%CI, 1.05-7.15]; P = 0.04). However, ACEIs users were associated with higher mortality than ARBs users in all CKD patients (HR = 1.17, [95%CI, 1.07-1.27]; P = 0.03) and in diabetic subgroup (HR = 1.32, [95%CI, 1.18-1.48]; P = 0.03). Monotherapy of RAS blockade, especially ARB, is more effective and safer than dual RAS blockade in pre dialytic stage 5 CKD patients. PMID- 29216261 TI - Associations of changes in body mass index with all-cause and cardiovascular mortality in healthy middle-aged adults. AB - BACKGROUND: Conflicting data exist regarding the association of body mass index (BMI) changes with all-cause and cardiovascular (CV) mortality. The current study investigated the association between changes in BMI and all-cause, CV, and non-CV mortality in a large cohort of middle-aged adults. METHODS: A total of 379,535 adults over 40 years of age without pre-existing CV disease or cancer at baseline were enrolled to undergo a series of at least three health examinations of biennial intervals. Changes in BMI between baseline, midpoint follow-up, and final health examination during mean 9.3 years were defined according to the pattern of BMI change as follows: stable, sustained gain, sustained loss, and fluctuation. The relationship between BMI change category and mortality was assessed by multivariate Cox regression reporting hazard ratio (HR) with 95% confidence interval (95% CI). RESULTS: During a mean follow-up of 10.7 years for mortality, 12,378 deaths occurred from all causes, of which 2,114 were CV and 10,264 were non-CV deaths. Sustained BMI gain was associated with the lower risk of all-cause (HR 0.89, 95% CI: 0.83-0.95), CV (HR 0.84, 95% CI 0.72-0.98), and non-CV mortality (HR 0.90, 95% CI 0.84-0.96) compared with stable BMI. Conversely, sustained BMI loss (HR 1.25, 95% CI 1.19-1.32) and fluctuation (HR 1.13, 95% CI 1.08-1.19) displayed a higher risk of all-cause mortality compared with stable BMI, which was mainly attributable to the increase in non-CV mortality. CONCLUSION: Sustained BMI gains were associated with reduced risk of all-cause, CV, and non-CV mortality in middle-aged healthy adults. PMID- 29216262 TI - Direct detection of Mycobacterium tuberculosis rifampin resistance in bio-safe stained sputum smears. AB - Direct smear microscopy of sputum forms the mainstay of TB diagnosis in resource limited settings. Stained sputum smear slides can serve as a ready-made resource to transport sputum for molecular drug susceptibility testing. However, bio safety is a major concern during transport of sputum/stained slides and for laboratory workers engaged in processing Mycobacterium tuberculosis infected sputum specimens. In this study, a bio-safe USP (Universal Sample Processing) concentration-based sputum processing method (Bio-safe method) was assessed on 87 M. tuberculosis culture positive sputum samples. Samples were processed for Ziehl Neelsen (ZN) smear, liquid culture and DNA isolation. DNA isolated directly from sputum was subjected to an IS6110 PCR assay. Both sputum DNA and DNA extracted from bio-safe ZN concentrated smear slides were subjected to rpoB PCR and simultaneously assessed by DNA sequencing for determining rifampin (RIF) resistance. All sputum samples were rendered sterile by Bio-safe method. Bio-safe smears exhibited a 5% increment in positivity over direct smear with a 14% increment in smear grade status. All samples were positive for IS6110 and rpoB PCR. Thirty four percent samples were RIF resistant by rpoB PCR product sequencing. A 100% concordance (kappa value = 1) was obtained between sequencing results derived from bio-safe smear slides and bio-safe sputum. This study demonstrates that Bio-safe method can address safety issues associated with sputum processing, provide an efficient alternative to sample transport in the form of bio-safe stained concentrated smear slides and can also provide information on drug (RIF) resistance by direct DNA sequencing. PMID- 29216263 TI - Roles, responsibilities and characteristics of lay community health workers involved in diabetes prevention programmes: A systematic review. AB - AIM: To examine the characteristics of community health workers (CHWs) involved in diabetes prevention programmes (DPPs) and their contributions to expected outcomes. METHODS: Electronic databases including PubMed-MEDLINE, EBSCOHost, and SCOPUS/EMBASE were searched for studies published between January 2000 and March 2016. All studies that used CHWs to implement DPP in >=18-year-old participants without diabetes but at high risk for developing the condition, irrespective of the study design, setting or outcomes measured, were included. Results were synthesized narratively. RESULTS: Forty papers of 30 studies were identified. Studies were mainly community-based and conducted in minority populations in USA. Sample sizes ranged from 20 participants in a single community to 2369 participants in 46 communities. Although CHWs were generally from the local community, their qualifications, work experience and training received differed across studies. Overall the training was culturally sensitive and/or appropriate, covering topics such as the importance of good nutrition and the benefits of increased physical activity, communication and leadership. CHWs delivered a variety of interventions and also screened or recruited participants. The shared culture and language between CHWs and participants likely contributed to better programme implementation and successful outcomes. CONCLUSIONS: The complexity of DPPs and the diverse CHW roles preclude attributing specific outcomes to CHW involvement. Nevertheless, documenting potential CHW roles and the relevant training required may optimise CHW contributions and facilitate their involvement in DPPs in the future. PMID- 29216264 TI - A pressure-based force and torque prediction technique for the study of fish-like swimming. AB - Many outstanding questions about the evolution and function of fish morphology are linked to swimming dynamics, and a detailed knowledge of time-varying forces and torques along the animal's body is a key component in answering many of these questions. Yet, quantifying these forces and torques experimentally represents a major challenge that to date prevents a full understanding of fish-like swimming. Here, we develop a method for obtaining these force and torque data non invasively using standard 2D digital particle image velocimetry in conjunction with a pressure field algorithm. We use a mechanical flapping foil apparatus to model fish-like swimming and measure forces and torques directly with a load cell, and compare these measured values to those estimated simultaneously using our pressure-based approach. We demonstrate that, when out-of-plane flows are relatively small compared to the planar flow, and when pressure effects sufficiently dominate shear effects, this technique is able to accurately reproduce the shape, magnitude, and timing of locomotor forces and torques experienced by a fish-like swimmer. We conclude by exploring of the limits of this approach and its feasibility in the study of freely-swimming fishes. PMID- 29216266 TI - Identification and genetic characterization of hepacivirus and pegivirus in commercial equine serum products in China. AB - Equine hepacivirus (EqHV), equine pegivirus (EPgV) and Theiler's disease associated virus (TDAV) are three novel equine viruses in the family Flaviviridae. EqHV and EPgV have been identified to circulate in the equine population worldwide, whereas TDAV has not been detected in equines since the first reported case. To date, no studies have focused on investigating EqHV, EPgV and TDAV in commercial equine sera or equine blood products in China. Considering the potential threat of EqHV, EPgV and TDAV to biosecurity and considering their possible influences on research results, equine sera for cell culture propagation and pregnant mare serum gonadotropin (PMSG) were purchased from different companies in China and investigated for EqHV, EPgV and TDAV in this study. By performing nested PCR or two rounds of PCR targeting the viral NS3 gene, four serum samples were confirmed to be EqHV-, EPgV-, or TDAV-RNA positive; all of the PMSG samples were negative for these three viruses. Subsequent sequencing results indicated that the serum samples contained multiple viral variants of EqHV, EPgV or TDAV, and a genetic analysis based on the partial NS3 gene of the three equine viruses was performed. Our study is the first to confirm the presence of EqHV, EPgV and TDAV in equine sera for cell culture propagation that is commercially available in China and provides the first demonstration of the presence of TDAV in China. PMID- 29216265 TI - OCT4 expression mediates partial cardiomyocyte reprogramming of mesenchymal stromal cells. AB - Mesenchymal stem/stromal cells (MSCs) are in numerous cell therapy clinical trials, including for injured myocardium. Acquisition of cardiomyocyte characteristics by MSCs may improve cardiac regeneration but the mechanisms regulating this process are unclear. Here, we investigated whether the pluripotency transcription factor OCT4 is involved in the activation of cardiac lineage genetic programs in MSCs. We employed our established co-culture model of MSCs with rat embryonic cardiomyocytes showing co-expression of cardiac markers on MSCs independent of cell fusion. Bone marrow-derived MSCs were isolated from transgenic mice expressing GFP under the control of the cardiac-specific alpha myosin heavy chain promoter. After 5 days of co-culture, MSCs expressed cardiac specific genes, including Nkx2.5, atrial natriuretic factor and alpha-cardiac actin. The frequency of GFP+ cells was 7.6+/-1.9%, however, these cells retained the stromal cell phenotype, indicating, as expected, only partial differentiation. Global OCT4 expression increased 2.6+/-0.7-fold in co-cultured MSCs and of interest, 87+/-5% vs 79+/-4% of MSCs expressed OCT4 by flow cytometry in controls and after co-culture, respectively. Consistent with the latter observation, the GFP+ cells did not express nuclear OCT4 and showed a significant increase in OCT4 promoter methylation compared with undifferentiated MSCs (92% vs 45%), inferring that OCT4 is regulated by an epigenetic mechanism. We further showed that siRNA silencing of OCT4 in MSCs resulted in a reduced frequency of GFP+ cells in co-culture to less than 1%. Our data infer that OCT4 expression may have a direct effect on partial cardiomyocyte reprogramming of MSCs and suggest a new mechanism(s) associated with MSC multipotency and a requirement for crosstalk with the cardiac microenvironment. PMID- 29216267 TI - Altered postural sway following fatiguing foot muscle exercises. AB - This study investigated the acute effects of fatiguing foot muscle exercises on the maximum muscle strength of the foot and postural control ability. Eighteen healthy young individuals performed fatiguing foot muscle strength exercises, and their toe flexor and ankle plantar flexor strength and postural control ability were measured before and after the exercises. Postural control ability was evaluated using the path of the center of pressure (COP) during three balance tasks: double-leg standing with eyes open; double-leg standing with eyes closed; and single-leg standing with eyes open. After the exercises, the muscle strength of both the toe and ankle plantar flexor significantly decreased. Under all of the conditions, most COP variables did not significantly differ before and after the exercises; however, the total length and mean velocity in the single-leg standing with eyes open significantly decreased after the exercises. Postural sway velocities in the anteroposterior direction of double-leg standing with eyes closed and in both anteroposterior and mediolateral directions of single-leg standing with eyes open significantly decreased after the exercises. The associations between relative changes in muscle strength after the exercise and relative changes in COP variables after the exercise were not found. These results indicate that postural control while standing could be maintained even though foot muscle strength is decreased after fatiguing foot muscle exercises. PMID- 29216268 TI - Docking and quantitative structure-activity relationship of bi-cyclic heteroaromatic pyridazinone and pyrazolone derivatives as phosphodiesterase 3A (PDE3A) inhibitors. AB - PDE3s belong to the phosphodiesterases family, where the PDE3A isoform is the major subtype in platelets involved in the cAMP regulation pathway of platelet aggregation. PDE3A inhibitors have been designed as potential antiplatelet agents. In this work, a homology model of PDE3A was developed and used to obtain the binding modes of bicyclic heteroaromatic pyridazinones and pyrazolones. Most of the studied compounds adopted similar orientations within the PDE3A active site, establishing hydrogen bonds with catalytic amino acids. Besides, the structure-activity relationship of the studied inhibitors was described by using a field-based 3D-QSAR method. Different structure alignment strategies were employed, including template-based and docking-based alignments. Adequate correlation models were obtained according to internal and external validations. In general, QSAR models revealed that steric and hydrophobic fields describe the different inhibitory activities of the compounds, where the hydrogen bond donor and acceptor fields have minor contributions. It should be stressed that structural elements of PDE3A inhibitors are reported here, through descriptions of their binding interactions and their differential affinities. In this sense, the present results could be useful in the future design of more specific and potent PDE3A inhibitors that may be used for the treatment of cardiovascular diseases. PMID- 29216269 TI - Compensatory role of Neuroglobin in nervous and non-nervous cancer cells in response to the nutrient deprivation. AB - Environmental factors or adverse growth conditions that may reduce cell function or viability are considered stress. The cell ability to sense and respond to environmental stresses determine its function and survival destiny. We recently defined Neuroglobin (NGB), a heme-protein, as a compensatory protein in the 17beta-Estradiol (E2) anti-apoptotic activity and as a sensor of oxidative stress in both neurons and breast cancer cells. Here, the possibility that NGB levels could represent a pivotal regulator of integrated response of cancer cells to stress has been evaluated. Data obtained in neuroblastoma and in breast cancer cell lines evidence that nutrient deprivation significantly up-regulated NGB levels at different time points. However, the analysis of autophagy activation led to exclude any possible role of stress- or E2-induced NGB in the upstream regulation of general autophagy. However, the over-expression of Flag-NGB in ERalpha stable transfected HEK-293 cells completely affects nutrient deprivation induced decrease in cell number. In addition, reported results indicate that modulation of the anti-apoptotic Bcl-2 level may play a key role in the protective NGB function against energetic stress. Overall, these data define a role of NGB as compensatory protein in the cell machinery activated in response to stress and as general stress adaptation marker of cancer cells susceptible to oxidative stress, oxygen and, as demonstrated here for the first time, even to nutrient willingness. Despite the lacking of any direct NGB role on autophagic flux activated by energetic stress, NGB upregulation appears functional in delaying stress-related cell death allowing an appropriate cell response and adaptation to the changing extracellular conditions. PMID- 29216270 TI - Generation and characterization of Kctd15 mutations in zebrafish. AB - Potassium channel tetramerization domain containing 15 (Kctd15) was previously found to have a role in early neural crest (NC) patterning, specifically delimiting the region where NC markers are expressed via repression of transcription factor AP-2a and inhibition of Wnt signaling. We used transcription activator-like effector nucleases (TALENs) to generate null mutations in zebrafish kctd15a and kctd15b paralogs to study the in vivo role of Kctd15. We found that while deletions producing frame-shift mutations in each paralog showed no apparent phenotype, kctd15a/b double mutant zebrafish are smaller in size and show several phenotypes including some affecting the NC, such as expansion of the early NC domain, increased pigmentation, and craniofacial defects. Both melanophore and xanthophore pigment cell numbers and early markers are up regulated in the double mutants. While we find no embryonic craniofacial defects, adult mutants have a deformed maxillary segment and missing barbels. By confocal imaging of mutant larval brains we found that the torus lateralis (TLa), a region implicated in gustatory networks in other fish, is absent. Ablation of this brain tissue in wild type larvae mimics some aspects of the mutant growth phenotype. Thus kctd15 mutants show deficits in the development of both neural crest derivatives, and specific regions within the central nervous system, leading to a strong reduction in normal growth rates. PMID- 29216271 TI - Genomic and phenotypic characteristics of Swedish C. jejuni water isolates. AB - Campylobacter jejuni is the most common cause of bacterial gastroenteritis. Major reservoirs are warm-blooded animals, poultry in particular, but Campylobacter can also be transmitted via water. In this paper, we have taken a closer look at the biology and potential virulence of C. jejuni water isolates. Seven C. jejuni isolates from incoming surface water at water plants in Sweden were characterized with whole genome sequencing and phenotypical testing. Multi locus sequence typing analysis revealed that these isolates belonged to groups known to include both common (ST48CC) and uncommon (ST1275CC, ST683, ST793 and ST8853) human pathogens. Further genomic characterization revealed that these isolates had potential for arsenic resistance (due to presence of arsB gene in all isolates), an anaerobic dimethyl sulfoxide oxidoreductase (in three isolates) and lacked the MarR-type transcriptional regulator gene rrpB (in all but one isolate) earlier shown to be involved in better survival under oxidative and aerobic stress. As putative virulence factors were concerned, there were differences between the water isolates in the presence of genes coding for cytolethal distending toxin (cdtABC), Type VI secretion system and sialylated LOS, as well as in biofilm formation. However, all isolates were motile and could adhere to and invade the human HT-29 colon cancer cell line in vitro and induce IL-8 secretion suggesting potential to infect humans. This is, to the best of our knowledge, the first study where C. jejuni water isolates have been characterized using whole genome sequencing and phenotypical assays. We found differences and shared traits among the isolates but also potential to infect humans. PMID- 29216272 TI - A thermal after-effect of UV irradiation of muscle glycogen phosphorylase b. AB - Different test systems are used to characterize the anti-aggregation efficiency of molecular chaperone proteins and of low-molecular-weight chemical chaperones. Test systems based on aggregation of UV-irradiated protein are of special interest because they allow studying the protective action of different agents at physiological temperatures. The kinetics of UV-irradiated glycogen phosphorylase b (UV-Phb) from rabbit skeletal muscle was studied at 37 degrees C using dynamic light scattering in a wide range of protein concentrations. It has been shown that the order of aggregation with respect to the protein is equal to unity. A conclusion has been made that the rate-limiting stage of the overall process of aggregation is heat-induced structural reorganization of a UV-Phb molecule, which contains concealed damage. PMID- 29216273 TI - Isoniazid concentrations in hair and plasma area-under-the-curve exposure among children with tuberculosis. AB - We measured hair and plasma concentrations of isoniazid among sixteen children with tuberculosis who underwent personal or video-assisted directly observed therapy and thus had 100% adherence. This study therefore defined typical isoniazid exposure parameters after two months of treatment among fully-adherent patients in both hair and plasma (plasma area under the concentration-time curve, AUC, estimated using pharmacokinetic data collected 0, 2, 4, and 6 hours after drug administration). We found that INH levels in hair among highly-adherent individuals did not correlate well with plasma AUC or trough concentrations, suggesting that each measure may provide incremental and complementary information regarding drug exposure in the context of TB treatment. PMID- 29216274 TI - Functional analysis of a CDKN2A 5'UTR germline variant associated with pancreatic cancer development. AB - CDKN2A coding region germline variants are associated with pancreatic adenocarcinoma (PC) susceptibility. Recently, we described functional germline 5'UTR CDKN2A variants from melanoma patients affecting the post-transcriptional regulation of p16INK4a mRNA that is dependent, at least in part, on an Internal Ribosome Entry Site (IRES) in the 5'UTR region. Here we describe a 5'UTR c.-201_ 198delinsCTTT CDKN2A variant (frequency 0.0028 based on 350 PC patients), which seems to be private to PC, since it has never been found in public databases nor in thousands of melanoma patients tested. Functional analyses confirmed IRES activity of the 5'UTR in BX-PC3 PC cells and revealed a functional impact of the identified variant. Using gene reporter assays we observed reduced translation potential in cells treated with the mTOR inhibitor Torin1, a condition that favors the assessment of IRES activity. At the endogenous gene level we quantified allelic imbalance among polysome-associated mRNAs using a patient derived cell line heterozygous for the c.-201_-198delinsCTTT. Overall, we conclude that this very rare private variant can be considered a potential mutation, specifically associated with PC. Our data indicate that sequencing of the entire 5'UTR of CDKN2A should be included in routine screening of PC cases with suspected inherited susceptibility. PMID- 29216275 TI - Co-existence of multiple trade-off currencies shapes evolutionary outcomes. AB - Evolutionary studies often assume that energy is the primary resource (i.e. "currency") at the heart of the survival-reproduction trade-off, despite recent evidence to the contrary. The evolutionary consequences of having a single trade off currency versus multiple competing currencies are unknown. Using simulations, we modeled the evolution of either a single physiological currency between reproduction and survival, or of multiple such currencies. For a wide array of model specifications varying functional forms and strengths of the trade-offs, we show that the presence of multiple currencies (e.g. nutrients, time) generally results in the evolution of higher lifetime reproductive success through partial circumvention of such trade-offs. Evolution of the underlying physiology is also more highly contingent with multiple currencies. These results challenge the paradigm of a single survival-reproduction trade-off as central to life history evolution, suggesting greater roles for physiological constraints and contingency, and implying potential selection for evolution of multiple trade-off currencies. PMID- 29216276 TI - National epidemiology of initial and recurrent Clostridium difficile infection in the Veterans Health Administration from 2003 to 2014. AB - INTRODUCTION: Prior studies demonstrated marked increases in Clostridium difficile infection (CDI) in the United States (U.S.) in recent years. The objective of this study was to describe the epidemiology of initial and recurrent CDI in a national Veterans Health Administration (VHA) cohort over a 12-year period. METHODS: This was a retrospective cohort study of all adult VHA beneficiaries with CDI (ICD-9-CM code 008.45) plus a positive CDI stool test between October 1, 2002 and September 30, 2014. Data were obtained from the VA Informatics and Computing Infrastructure. Recurrence was defined as a second ICD 9-CM code plus a new course of CDI therapy following a minimum three-day gap after the initial therapy was completed. CDI incidence and outcomes were presented descriptively and longitudinally. RESULTS: Overall, 30,326 patients met study inclusion criteria. CDI incidence increased from FY 2003 (1.6 per 10,000) to FY 2013 (5.1 per 10,000). Thereafter, CDI incidence decreased through FY 2014 (4.6 per 10,000). A total of 5,011 patients (17%) experienced a first recurrence and, of those, 1,713 (34%) experienced a second recurrence. Recurrence incidence increased 10-fold over the study period, from (0.1 per 10,000) in FY 2003, to (1.0 per 10,000) in FY 2014. Overall, 30-day mortality and median hospital length of stay (LOS) decreased among initial episodes over the study period. Mortality was higher for initial episodes (21%) compared to first recurrences (11%) and second recurrences (7%). Median hospital LOS was longer for first episodes (13 days) compared to first (9 days) and second recurrences (8 days). CONCLUSIONS: Initial and recurrent CDI episodes increased among veterans over a 12-year period. Outcomes, such as mortality and hospital LOS improved in recent years; both of these outcomes are worse for initial CDI episodes than recurrent episodes. PMID- 29216277 TI - Immune-mediated inflammatory diseases differently affect IGRAs' accuracy for latent tuberculosis infection diagnosis in clinical practice. AB - BACKGROUND: Clinical accuracy of IGRAs remains unclear on patients with immune mediated inflammatory diseases (IMIDs). Here, we assess the impact of immunosuppressants and IMIDs on QuantiFERON-TB Gold In-Tube (QFN-G-IT) and T SPOT.TB accuracy. METHODS: Patients with IMIDs who required latent tuberculosis infection (LTBI) screening were enrolled and classified into: (i) 50 patients with inflammatory rheumatic diseases, (ii) 50 patients with psoriasis and (iii) 30 patients with Crohn's disease. A total of 44 healthy individuals without immunosuppression were also included as controls. Tuberculin skin test (TST), T SPOT.TB and QFN-G-IT assays were performed. IGRAs were performed following manufacturer's instructions. RESULTS: Immunosuppressant's intake was more frequent on patients with Crohn's disease and psoriasis. Positive IGRAs and TST results were reduced in Crohn's disease patients, whereas rate of indeterminate T SPOT.TB results was increased in this group with respect to the other IMIDs analysed and controls. When IFN-gamma response was studied, the levels of this cytokine after mitogen stimulation were significantly lower in Crohn's and inflammatory rheumatic diseases than in psoriasis. Interestingly, psoriatic patients were the only ones not receiving corticosteroids. Furthermore, a negative correlation was observed between the IFN-gamma secreted after mitogen stimulation and corticosteroids dose. CONCLUSIONS: IMIDs seem to negatively affect the clinical accuracy of IGRAs, being Crohn's disease patients the most affected individuals due to their concomitant drug-profile and impaired immune response. PMID- 29216278 TI - Systematic integrative analysis of gene expression identifies HNF4A as the central gene in pathogenesis of non-alcoholic steatohepatitis. AB - Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the Western world, and encompasses a spectrum from simple steatosis to steatohepatitis (NASH). There is currently no approved pharmacologic therapy against NASH, partly due to an incomplete understanding of its molecular basis. The goal of this study was to determine the key differentially expressed genes (DEGs), as well as those genes and pathways central to its pathogenesis. We performed an integrative computational analysis of publicly available gene expression data in NASH from GEO (GSE17470, GSE24807, GSE37031, GSE89632). The DEGs were identified using GEOquery, and only the genes present in at least three of the studies, to a total of 190 DEGs, were considered for further analyses. The pathways, networks, molecular interactions, functional analyses were generated through the use of Ingenuity Pathway Analysis (IPA). For selected networks, we computed the centrality using igraph package in R. Among the statistically significant predicted networks (p-val < 0.05), three were of most biological interest: the first is involved in antimicrobial response, inflammatory response and immunological disease, the second in cancer, organismal injury and development and the third in metabolic diseases. We discovered that HNF4A is the central gene in the network of NASH connected to metabolic diseases and that it regulates HNF1A, an additional transcription regulator also involved in lipid metabolism. Therefore, we show, for the first time to our knowledge, that HNF4A is central to the pathogenesis of NASH. This adds to previous literature demonstrating that HNF4A regulates the transcription of genes involved in the progression of NAFLD, and that HNF4A genetic variants play a potential role in NASH progression. PMID- 29216279 TI - Emerging hazard effects of proton pump inhibitor on the risk of colorectal cancer in low-risk populations: A Korean nationwide prospective cohort study. AB - PURPOSE: Despite plausible mechanisms, the clinical significance of long-term proton pump inhibitor (PPI) use to colorectal cancer (CRC) remains unknown. The purpose of this study was to investigate the association between PPI use and CRC development. METHODS: We conducted a population-based prospective cohort study using the Korean nationwide claims database merged with national health examination data. The study cohort included a total of 451,284 participants who were tracked to identify cases of CRC since 2007. We assessed and standardized PPI use before the index date using the Defined Daily Dose system. We calculated the hazard ratios and their 95% confidence intervals to assess the association between PPI use and CRC occurrence using Cox proportional hazard regression models with adjustment for potential confounders. We performed subgroup analyses of the effect of PPI exposure on CRC development stratified by the CRC risk. RESULTS: There were 5,304 cases of CRC during the study period of 2,908,152 person-years. PPI use was not associated with CRC risk overall. The incidence of CRC was higher among individuals who were elderly, male, more obese, and drank alcohol more frequently and among those who had more comorbidities. Further subgroup analyses revealed that the hazard effect of PPI use increased linearly in a dose-dependent manner with the number of CRC risk factors for which the risk level was considered low. CONCLUSION: Within the low-risk population, PPI use was associated with an increased risk of CRC, although the association did not weigh the effects of conventional risk factors. PMID- 29216280 TI - Phenotypic characterization of Synechocystis sp. PCC 6803 substrains reveals differences in sensitivity to abiotic stress. AB - Synechocystis sp. PCC 6803 is a widely used model cyanobacterium, whose substrains can vary on both genotype and phenotype levels. Previously described phenotypic variations include ability of mixotrophic growth, ability of movement on agar plates and variations in pigments composition or cell size. In this study, we report for the first time significant variation among Synechocystis substrains in complex cellular traits such as growth rate, photosynthesis efficiency, cellular dry weight and cellular composition (including protein or carbohydrates content). We also confirmed previously reported differences in cell size. Synechocystis cultures were cultivated in controlled environment of flat panel photobioreactors under red, blue and white light of intensities up to 790 MUmol(photons) m-2 s-1, temperatures 23 degrees C-60 degrees C, input CO2 concentrations ranging from 400 to 15 000 ppm and in BG11 cultivation medium with and without addition of NaCl. Three Synechocystis substrains were used for the comparative experiments: GT-L, GT-B (Brno, CZ) and PCC-B (Brno, CZ). Growth rates of Synechocystis GT-B were inhibited under high intensities of red light (585-670 nm), and growth rates of both substrains GT-B and PCC-B were inhibited under photons of wavelengths 485-585 nm and 670-700 nm. Synechocystis GT-B was more sensitive to low temperatures than the other two tested substrains, and Synechocystis GT-L was sensitive to the presence of NaCl in the cultivation media. The results suggest that stress sensitivity of commonly used Synechocystis substrains can strongly vary, similarly as glucose tolerance or motility as reported previously. Our study further supports the previous statement that emphasizes importance of proper Synechocystis substrains selection and awareness of phenotypical differences among Synechocystis substrains which is crucial for comparative and reproducible research. This is highly relevant for studies related to stress physiology and development of sustainable biotechnological applications. PMID- 29216281 TI - Complete mitochondrial genome of Zeugodacus tau (Insecta: Tephritidae) and differentiation of Z. tau species complex by mitochondrial cytochrome c oxidase subunit I gene. AB - The tephritid fruit fly Zeugodacus tau (Walker) is a polyphagous fruit pest of economic importance in Asia. Studies based on genetic markers indicate that it forms a species complex. We report here (1) the complete mitogenome of Z. tau from Malaysia and comparison with that of China as well as the mitogenome of other congeners, and (2) the relationship of Z. tau taxa from different geographical regions based on sequences of cytochrome c oxidase subunit I gene. The complete mitogenome of Z. tau had a total length of 15631 bp for the Malaysian specimen (ZT3) and 15835 bp for the China specimen (ZT1), with similar gene order comprising 37 genes (13 protein-coding genes-PCGs, 2 rRNA genes, and 22 tRNA genes) and a non-coding A + T-rich control region (D-loop). Based on 13 PCGs and 15 mt-genes, Z. tau NC_027290 (China) and Z. tau ZT1 (China) formed a sister group in the lineage containing also Z. tau ZT3 (Malaysia). Phylogenetic analysis based on partial sequences of cox1 gene indicates that the taxa from China, Japan, Laos, Malaysia, Bangladesh, India, Sri Lanka, and Z. tau sp. A from Thailand belong to Z. tau sensu stricto. A complete cox1 gene (or 13 PCGs or 15 mt-genes) instead of partial sequence is more appropriate for determining phylogenetic relationship. PMID- 29216282 TI - Sequential combined test, second trimester maternal serum markers, and circulating fetal cells to select women for invasive prenatal diagnosis. AB - From January 1st 2013 to August 31st 2016, 24408 pregnant women received the first trimester Combined test and contingently offered second trimester maternal serum screening to identify those women who would most benefit from invasive prenatal diagnosis (IPD). The screening was based on first trimester cut-offs of >=1:30 (IPD indicated), 1:31 to 1:899 (second trimester screening indicated) and <=1:900 (no further action), and a second trimester cut-off of >=1:250. From January 2014, analysis of fetal cells from peripheral maternal blood was also offered to women with positive screening results. For fetal Down syndrome, the overall detection rate was 96.8% for a false-positive rate of 2.8% resulting in an odds of being affected given a positive result (OAPR) of 1:11, equivalent to a positive predictive value (PPV) of 8.1%. Additional chromosome abnormalities were also identified resulting in an OAPR for any chromosome abnormality of 1:6.6 (PPV 11.9%). For a sub-set of cases with positive contingent test results, FISH analysis of circulating fetal cells in maternal circulation identified 7 abnormal and 39 as normal cases with 100% specificity and 100% sensitivity. We conclude that contingent screening using conventional Combined and second trimester screening tests is effective but can potentially be considerably enhanced through the addition of fetal cell analysis. PMID- 29216283 TI - Association between exercise type and quality of life in a community-dwelling older people: A cross-sectional study. AB - OBJECTIVES: This study aimed to investigate the effects of three major representative exercises (resistance, flexibility, and walking) on quality of life (QoL) in a population of community-dwelling older adults. MATERIALS AND METHODS: This cross-sectional study used public data from the Sixth Korean National Health and Nutrition Examination Survey in 2014 (n = 1,586 older people). Demographic factors, three types of exercise, five EuroQoL subsets (mobility, self-care, usual activities, pain/discomfort, anxiety/depression), and QoL scores (EQ-VAS) were investigated. The independent associations between each exercise and the five QoL subsets were determined using odds ratios (OR) adjusted for three demographic factors (age group, sex, and area of residence), using multivariate logistic regression analysis. RESULTS: The EQ-VAS scores of the exercisers was significantly higher than those of the non-exercisers for all exercise types. Subjects with problems in mobility dimension performed less exercise of all types of than those with normal mobility (resistance: OR, 0.687; flexibility: OR, 0.733, and walking: OR, 0.489). The self-care dimension was independently correlated with flexibility (OR, 0.558) and walking (OR, 0.485). CONCLUSION: All types of exercisers showed higher QoL scores than non-exercisers. Among the QoL dimensions, mobility and self-care were independently associated with flexibility and walking exercise in this older people, suggesting that engaging in regular flexibility and walking exercise is important for achieving higher QoL in the older people. PMID- 29216284 TI - A critical assessment of the Protoaurignacian lithic technology at Fumane Cave and its implications for the definition of the earliest Aurignacian. AB - In the scenario of the spread of the anatomically modern humans (AMHs) into Europe, the techno-complex known as Protoaurignacian is defined by the production of blades and bladelets within a single and continuous stone knapping sequence from the same core as the result of its progressive reduction. However, the growing re-evaluation of some assemblages is revealing that bladelets are frequently obtained from independent reduction sequences, hence discouraging the direct application of the model developed in southwestern France. High-resolution regional signatures are thus needed to reconstruct a more accurate portrait of the AMH colonization dynamic. Northeastern Italy, with the key site of Fumane Cave, is one among the regions of Mediterranean Europe worthy of consideration for reconstructing this colonization process and its cultural dynamics. Within the framework of a critical discussion of the technological definition of the Protoaurignacian and its relationship with contemporaneous industries on a regional and supra-regional scale, we present the results of a detailed analysis of the lithic technology from units A2-A1 based on reduction sequence and attribute analyses. Results show that bladelets are the first goal of production and they do not originate from reduced blade cores but from a broad range of independent and simultaneous core reduction strategies. One implication is that the most commonly used technological trait that is said to define the Protoaurignacian has been over-emphasized and that the Protoaurignacian is technologically consistent across its geographical extent. Additional data based on carinated core technology imply that this techno-complex shares a common technological background with the Early Aurignacian and that no features are restricted to one of the two facies. Furthermore, the major difference between the Protoaurignacian and Early Aurignacian appears to be more typological in nature, with retouched bladelets being less common in the Early Aurignacian. PMID- 29216285 TI - Myocardial adaption to HI(R)T in previously untrained men with a randomized, longitudinal cardiac MR imaging study (Physical adaptions in Untrained on Strength and Heart trial, PUSH-trial). AB - OBJECTIVE: Although musculoskeletal effects in resistance training are well described, little is known about structural and functional cardiac adaption in formerly untrained subjects. We prospectively evaluated whether short term high intensity (resistance) training (HI(R)T) induces detectable morphologic cardiac changes in previously untrained men in a randomized controlled magnetic resonance imaging (MRI) study. MATERIALS AND METHODS: 80 untrained middle-aged men were randomly assigned to a HI(R)T-group (n = 40; 43.5+/-5.9 years) or an inactive control group (n = 40; 42.0+/-6.3 years). HI(R)T comprised 22 weeks of training focusing on a single-set to failure protocol in 2-3 sessions/week, each with 10 13 exercises addressing main muscle groups. Repetitions were decreased from 8-10 to 3-5 during study period. Before and after HI(R)T all subjects underwent physiologic examination and cardiac MRI (cine imaging, tagging). RESULTS: Indexed left (LV) and right ventricular (RV) volume (LV: 76.8+/-15.6 to 78.7+/-14.8 ml/m2; RV: 77.0+/-15.5 to 78.7+/-15.1 ml/m2) and mass (LV: 55.5+/-9.7 to 57.0+/ 8.8 g/m2; RV: 14.6+/-3.0 to 15.0+/-2.9 g/m2) significantly increased with HI(R)T (all p<0.001). Mean LV and RV remodeling indices of HI(R)T-group did not alter with training (0.73g/mL and 0.19g/mL, respectively [p = 0.96 and p = 0.87]), indicating balanced cardiac adaption. Indexed LV (48.4+/-11.1 to 50.8+/-11.0 ml/m2) and RV (48.5+/-11.0 to 50.6+/-10.7 ml/m2) stroke volume significantly increased with HI(R)T (p<0.001). Myocardial strain and strain rates did not change following resistance exercise. Left atrial volume at end systole slightly increased after HI(R)T (36.2+/-7.9 to 37.0+/-8.4 ml/m2, p = 0.411), the ratio to end-diastolic LV volume at baseline and post-training was unchanged (0.47 vs. 0.47, p = 0.79). CONCLUSION: 22 weeks of HI(R)T lead to measurable, physiological changes in cardiac atrial and ventricular morphologic characteristics and function in previously untrained men. TRIAL REGRISTRATION: The PUSH-trial is registered at the US National Institutes of Health (ClinicalTrials.gov), NCT01766791. PMID- 29216286 TI - Migraine and risk of narcolepsy in children: A nationwide longitudinal study. AB - BACKGROUND: The association between migraine and narcolepsy remains controversial. We aim to investigate whether migraine is associated with an increased risk of developing narcolepsy in children. METHODS: In this longitudinal study, nationwide medical-claims data of pediatric patients (0-17y) with migraine are identified using the National Health Insurance Research Database (NHIRD) between 1997 and 2010 in Taiwan. Two cohorts are selected: migraine cases (n = 8,923) and propensity score-matched non-migraine controls (n = 35,692). Children with previous history of narcolepsy or headache before the index date are excluded. Cohorts are followed until the end of 2012, their withdrawal from the NHI program, or incidence of narcolepsy (ICD-9-CM: 347). Cox proportional hazards regression models are used to estimate hazard ratios (HRs) and 95% confidence intervals of developing narcolepsy in children with migraine compared to their non-migraine controls. RESULTS: A total of 13 incident cases with narcolepsy are observed during follow-up, with incidence rates of 0.1915 and 0.0278 per 1,000 person-years in migraine and non-migraine children, respectively. After a mean follow-up period of 4.68 and 5.04 years in the case and control cohort, respectively, the former exhibited a greater risk of developing narcolepsy compared to the latter (adjusted hazard ratio (aHR) = 5.30, 95% confidence interval (CI): 1.61, 17.4; p = 0.006). This finding persisted after controlling for potential confounders like baseline comorbidities and concurrent medication uptake, and in our analyses with migraine subtypes. CONCLUSIONS: Migraine is an independent risk factor for narcolepsy development in children. Further studies are needed to validate our findings and to explore the exact pathophysiological mechanisms linking migraine and narcolepsy. PMID- 29216287 TI - Transcriptomic profiles in peripheral blood between women with unexplained recurrent implantation failure and recurrent miscarriage and the correlation with endometrium: A pilot study. AB - AIM: To study the transcriptome profiles in the blood of recurrent implantation failure (RIF), recurrent miscarriage (RM) and fertile women during the window of implantation, and further analysis the correlation of transcriptome profiles between blood and endometrium. METHODS: This is an observational prospective study. In total 9 subjects were recruited, 3 RIF, 3 RM, and 3 controls. Paired samples (endometrium and peripheral blood) from the same subjects were precisely timed on the 7th days after luteal hormone surge (LH+7). RNA sequencing was applied to investigate the transcriptome profiles. RESULTS: The results of transcriptome in peripheral blood cannot be used to characterize women with RIF and unexplained RM. There was a medium level correlation between transcriptome in peripheral blood and endometrium during the window of implantation. CONCLUSION: The differential transcriptome patterns in blood are not representative of those in endometrium, and the blood transcriptome cannot differentiate among the women with RIF, RM or fertile. PMID- 29216288 TI - Adaptations in antagonist co-activation: Role in the repeated-bout effect. AB - : Eccentric exercise results in an adaptation which attenuates muscle damage from subsequent exercise-termed the "repeated-bout effect (RBE)." PURPOSE: Study examined antagonist co-activation and motor-unit recruitment strategy, assessed via dEMG, concomitant to the RBE. METHODS: Nine participants performed 5 sub maximal isometric trapezoid (ramp-up, hold, ramp-down) contractions at force levels corresponding to 50% and 80% of maximal isometric strength (MVC). Surface EMG signals of the biceps brachii were decomposed into individual motor-unit action potential trains. The relationship between mean firing rate (MFR) of each motor-unit and its recruitment threshold (RT) was examined using linear regression. Eccentric exercise was then performed until biceps brachii MVC had decreased by ~40%. Surface EMG of the biceps and triceps were collected during eccentric exercise. MVC, range-of-motion (ROM), and delayed onset muscle soreness (DOMS) were measured 24-hours, 72-hours, and 1-week following eccentric exercise. Three weeks later all procedures were repeated. RESULTS: Changes in MVC (-32+/ 14% vs -25+/-10%; p = 0.034), ROM (-11% vs 6%; p = 0.01), and DOMS (31.0+/-19mm vs 19+/-12mm; p = 0.015) were attenuated following the second bout of exercise. Triceps EMG was reduced (16.8+/-9.5% vs. 12.6+/-7.2%; p = 0.03) during the second bout of eccentric exercise. The slope (-0.60+/-0.13 vs -0.70+/-0.18; p = 0.029) and y-intercept (46.5+/-8.3 vs 53.3+/-8.8; p = 0.020) of the MFR vs. RT relationship was altered during contractions at 80% of MVC prior to the second bout of eccentric exercise. No changes were observed at 50% of MVC. CONCLUSION: A reduction in antagonist co-activation during the second bout of eccentric exercise suggests less total force was required to move an identical external load. This finding is supported by the increased negative slope coefficient and an increased y-intercept of the linear relationship between RT and MFR. PMID- 29216289 TI - Effects of load carriage on physiological determinants in adventure racers. AB - Adventure racing athletes need run carrying loads during the race. A better understanding of how different loads influence physiological determinants in adventure racers could provide useful insights to gauge training interventions to improve running performance. We compare the maximum oxygen uptake (VO2max), the cost of transport (C) and ventilatory thresholds of twelve adventure running athletes at three load conditions: unloaded, 7 and 15% of body mass. Twelve healthy men experienced athletes of Adventure Racing (age 31.3 +/- 7.7 years, height 1.81 +/- 0.05 m, body mass 75.5 +/- 9.1 kg) carried out three maximal progressive (VO2max protocol) and three submaximal constant-load (running cost protocol) tests, defined in the following quasi-randomized conditions: unloaded, 7% and, 15% of body mass. The VO2max (unload: 59.7 +/- 5.9; 7%: 61.7 +/- 6.6 and 15%: 64.6 +/- 5.4 ml kg-1 min-1) did not change among the conditions. While the 7% condition does neither modify the C nor the ventilatory thresholds, the 15% condition resulted in a higher C (5.2 +/- 0.9 J kg-1 m-1; P = 0.001; d = 1.48) than the unloaded condition (4.0 +/- 0.7 J kg-1 m-1). First ventilatory threshold was greater at 15% than control condition (+15.5%; P = 0.003; d = 1.44). Interestingly, the velocities on the severe-intensity domain (between second ventilatory threshold and VO2max) were reduced 1% equivalently to 1% increasing load (relative to body mass). The loading until 15% of body mass seems to affect partially the crucial metabolic and ventilatory parameters, specifically the C but not the VO2max. These findings are compatible with the concept that interventions that enhance running economy with loads may improve the running performance of adventure racing's athletes. PMID- 29216290 TI - Analysis of area level and unit level models for small area estimation in forest inventories assisted with LiDAR auxiliary information. AB - Forest inventories require estimates and measures of uncertainty for subpopulations such as management units. These units often times hold a small sample size, so they should be regarded as small areas. When auxiliary information is available, different small area estimation methods have been proposed to obtain reliable estimates for small areas. Unit level empirical best linear unbiased predictors (EBLUP) based on plot or grid unit level models have been studied more thoroughly than area level EBLUPs, where the modelling occurs at the management unit scale. Area level EBLUPs do not require a precise plot positioning and allow the use of variable radius plots, thus reducing fieldwork costs. However, their performance has not been examined thoroughly. We compared unit level and area level EBLUPs, using LiDAR auxiliary information collected for inventorying 98,104 ha coastal coniferous forest. Unit level models were consistently more accurate than area level EBLUPs, and area level EBLUPs were consistently more accurate than field estimates except for large management units that held a large sample. For stand density, volume, basal area, quadratic mean diameter, mean height and Lorey's height, root mean squared errors (rmses) of estimates obtained using area level EBLUPs were, on average, 1.43, 2.83, 2.09, 1.40, 1.32 and 1.64 times larger than those based on unit level estimates, respectively. Similarly, direct field estimates had rmses that were, on average, 1.37, 1.45, 1.17, 1.17, 1.26, and 1.38 times larger than rmses of area level EBLUPs. Therefore, area level models can lead to substantial gains in accuracy compared to direct estimates, and unit level models lead to very important gains in accuracy compared to area level models, potentially justifying the additional costs of obtaining accurate field plot coordinates. PMID- 29216291 TI - Correction: Interactive and Independent Associations between the Socioeconomic and Objective Built Environment on the Neighbourhood Level and Individual Health: A Systematic Review of Multilevel Studies. AB - [This corrects the article DOI: 10.1371/journal.pone.0123456.]. PMID- 29216292 TI - Water consumption, grain yield, and water productivity in response to field water management in double rice systems in China. AB - Rice cultivation has been challenged by increasing food demand and water scarcity. We examined the responses of water use, grain yield, and water productivity to various modes of field water managements in Chinese double rice systems. Four treatments were studied in a long-term field experiment (1998 2015): continuous flooding (CF), flooding-midseason drying-flooding (F-D-F), flooding-midseason drying-intermittent irrigation without obvious standing water (F-D-S), and flooding-rain-fed (F-RF). The average precipitation was 483 mm in early-rice season and 397 mm in late-rice season. The irrigated water for CF, F-D F, F-D-S, and F-RF, respectively, was 263, 340, 279, and 170 mm in early-rice season, and 484, 528, 422, and 206 mm in late-rice season. Grain yield for CF, F D-F, F-D-S, and F-RF, respectively, was 4,722, 4,597, 4,479, and 4,232 kgha-1 in early-rice season, and 5,420, 5,402, 5,366, and 4,498 kgha-1 in late-rice season. Compared with CF, F-D-F consumed more irrigated water, which still decreased grain yield, leading to a decrease in water productivity by 25% in early-rice season and by 8% in late-rice season. Compared with F-D-F, F-D-S saved much irrigated water with a small yield reduction, leading to an increase in water productivity by 22% in early-rice season and by 26% in late-rice season. The results indicate that CF is best for early-rice and FDS is best for late-rice in terms of grain yield and water productivity. PMID- 29216293 TI - Correction: Do weaner pigs need in-feed antibiotics to ensure good health and welfare? AB - [This corrects the article DOI: 10.1371/journal.pone.0185622.]. PMID- 29216294 TI - Correction: Clinical validation of a highly sensitive assay to detect EGFR mutations in plasma cell-free DNA from patients with advanced lung adenocarcinoma. AB - [This corrects the article DOI: 10.1371/journal.pone.0183331.]. PMID- 29216296 TI - Correction: The potential role of kelp forests on iodine speciation in coastal seawater. AB - [This corrects the article DOI: 10.1371/journal.pone.0180755.]. PMID- 29216295 TI - Alpha-1 antichymotrypsin is involved in astrocyte injury in concert with arginine vasopressin during the development of acute hepatic encephalopathy. AB - BACKGROUND AND AIMS: We developed a bio-artificial liver (BAL) using a radial flow bioreactor and rescued mini-pig models with lethal acute liver failure (ALF). The point of the rescue is the recovery from hepatic encephalopathy (HE). HE on ALF has sometimes resulted in brain death following brain edema with astrocyte swelling. Several factors, including ammonia and glutamine, have been reported to induce astrocyte swelling and injury. However, many clinicians believe that there are any other factors involved in the development of HE. Therefore, the aim of this study was to identify novel HE-inducible factors, particularly those inducing astrocyte dysfunction. METHODS: Mini-pig plasma samples were collected at three time points: before the administration of toxins (alpha-amanitin and LPS), when HE occurred after the administration of toxins, and after treatment with extracorporeal circulation (EC) by the BAL. To identify the causative factors of HE, each plasma sample was subjected to a comparative proteome analysis with two-dimensional gel electrophoresis and mass spectrometry. To assess the direct effects of candidate factors on the astrocyte function and injury, in vitro experiments with human astrocytes were performed. RESULTS: Using a proteome analysis, we identified alpha-1 antichymotrypsin (ACT), which was increased in plasma samples from mini-pigs with HE and decreased in those after treatment with EC by BAL. In in vitro experiments with human astrocytes, ACT showed growth-inhibitory and cytotoxic effects on astrocytes. In addition, the expression of water channel protein aquaporin-4, which is induced in injured astrocytes, was increased following ACT treatment. Interestingly, these effects of ACT were additively enhanced by adding arginine-vasopressin (AVP) and were canceled by adding an AVP receptor antagonist. CONCLUSIONS: These results suggest that ACT is involved in astrocyte injury and dysfunction in concert with AVP during the development of acute HE. PMID- 29216297 TI - Skn-1a/Pou2f3 functions as a master regulator to generate Trpm5-expressing chemosensory cells in mice. AB - Transient receptor potential channel M5 (Trpm5)-expressing cells, such as sweet, umami, and bitter taste cells in the oropharyngeal epithelium, solitary chemosensory cells in the nasal respiratory epithelium, and tuft cells in the small intestine, that express taste-related genes function as chemosensory cells. Previous studies demonstrated that Skn-1a/Pou2f3, a POU homeodomain transcription factor is expressed in these Trpm5-expressing chemosensory cells, and is necessary for their generation. Trpm5-expressing cells have recently been found in trachea, auditory tube, urethra, thymus, pancreatic duct, stomach, and large intestine. They are considered to be involved in protective responses to potential hazardous compounds as Skn-1a-dependent bitter taste cells, respiratory solitary chemosensory cells, and intestinal tuft cells are. In this study, we examined the expression and function of Skn-1a/Pou2f3 in Trpm5-expressing cells in trachea, auditory tube, urethra, thymus, pancreatic duct, stomach, and large intestine. Skn-1a/Pou2f3 is expressed in a majority of Trpm5-expressing cells in all tissues examined. In Skn-1a/Pou2f3-deficient mice, the expression of Trpm5 as well as marker genes for Trpm5-expressing cells were absent in all tested tissues. Immunohistochemical analyses demonstrated that two types of microvillous cells exist in trachea, urethra, and thymus, Trpm5-positive and Trpm5-negative cells. In Skn-1a/Pou2f3-deficient mice, a considerable proportion of Trpm5 negative and villin-positive microvillous cells remained present in these tissues. Thus, we propose that Skn-1a/Pou2f3 is the master regulator for the generation of the Trpm5-expressing microvillous cells in multiple tissues. PMID- 29216298 TI - Correction: Emotional cue validity effects: The role of neurocognitive responses to emotion. AB - [This corrects the article DOI: 10.1371/journal.pone.0179714.]. PMID- 29216299 TI - Recombinant Vaccinia virus-coded interferon inhibitor B18R: Expression, refolding and a use in a mammalian expression system with a RNA-vector. AB - B18R protein of Vaccinia virus binds to type I interferons and inhibits activation of interferon-mediated signal transduction. Cells which have unimpaired interferon signaling such as primary cell cultures or some industrially important cell lines are capable of development of an antiviral state. An establishment of the antiviral state limits replication of RNA-viruses and can suppress replication of RNA vectors. The interferon inhibitor B18R effectively prevents the establishment of the antiviral state. For this reason, B18R has become a ubiquitous component of protocols for epigenetic reprogramming which use transfections of RNA replicons or mRNA. Despite wide practical applicability, commercially available B18R is predominantly produced in cell cultures and little information has been published on a production and use of bacterially expressed B18R. Objectives of this study were to produce B18R in an E.coli expression system and to confirm the product's biological activity by using it to maintain RNA-vectors in cell cultures capable of the antiviral state. The described method allows the expression and efficient refolding to obtain 10 100 mg of B18R from a small-scale culture and the production process is economically attractive compared to a use of an eukaryotic expression. To check for a presence of the biological activity of bacterially-expressed B18R the protein was used to support persistence of an autonomously replicating RNA-vector in a cell culture which is capable of the antiviral state. A RNA-containing virus, Venezuelan equine encephalitis virus (VEE) can serve as an efficient vector for heterologous expression in cell cultures, although its replication is sensitive to the effects of type I interferons which limit a range of cell lines for a use with this vector. The VEE replicon was utilized to direct an expression of recombinant human granulocyte colony stimulating factor (G-CSF). The producing replicon could persist in HEK293 cells for sufficiently long time only in presence of B18R, whereas addition of B18R not only allowed persistence of the replicon but also increased production from the replicon. A model product granulocyte colony stimulating factor accumulated to 35.5 MUg/ml during a 7 day experiment. This work describes efficacious expression and refolding of the viral cytokine inhibitor and demonstrates a utility of bacterially-expressed B18R. PMID- 29216300 TI - Impacts of active school design on school-time sedentary behavior and physical activity: A pilot natural experiment. AB - BACKGROUND: Children spend a significant portion of their days in sedentary behavior (SB) and on average fail to engage in adequate physical activity (PA). The school built environment may influence SB and PA, but research is limited. This natural experiment evaluated whether an elementary school designed to promote movement impacted students' school-time SB and PA. METHODS: Accelerometers measured SB and PA at pre and post time-points in an intervention group who moved to the new school (n = 21) and in a comparison group experiencing no school environmental change (n = 20). Difference-in-difference (DD) analysis examined SB and PA outcomes in these groups. Measures were also collected post intervention from an independent, grade-matched group of students in the new school (n = 21). RESULTS: As expected, maturational increases in SB were observed. However, DD analysis estimated that the intervention attenuated increase in SB by 81.2 +/- 11.4 minutes/day (p<0.001), controlling for time in moderate to vigorous physical activity (MVPA). The intervention was also estimated to increase daily number of breaks from SB by 23.4 +/- 2.6 (p < .001) and to increase light physical activity (LPA) by 67.7 +/- 10.7 minutes/day (p<0.001). However, the intervention decreased MVPA by 10.3 +/- 2.3 minutes/day (p<0.001). Results of grade-matched independent samples analysis were similar, with students in the new vs. old school spending 90.5 +/- 16.1 fewer minutes/day in SB, taking 21.1 +/- 2.7 more breaks from SB (p<0.001), and spending 64.5 +/- 14.8 more minutes in LPA (p<0.001), controlling for time in MVPA. Students in the new school spent 13.1 +/- 2.7 fewer minutes in MVPA (p<0.001) than their counterparts in the old school. CONCLUSIONS: This pilot study found that active school design had beneficial effects on SB and LPA, but not on MVPA. Mixed results point to a need for active classroom design strategies to mitigate SB, and quick access from classrooms to areas permissive of high-intensity activities to promote MVPA. Integrating active design with programs/policies to promote PA may yield greatest impact on PA of all intensities. PMID- 29216301 TI - Chronic dietary supplementation with soy protein improves muscle function in rats. AB - Athletes as well as elderly or hospitalized patients use dietary protein supplementation to maintain or grow skeletal muscle. It is recognized that high quality protein is needed for muscle accretion, and can be obtained from both animal and plant-based sources. There is interest to understand whether these sources differ in their ability to maintain or stimulate muscle growth and function. In this study, baseline muscle performance was assessed in 50 adult Sprague-Dawley rats after which they were assigned to one of five semi-purified "Western" diets (n = 10/group) differing only in protein source, namely 19 kcal% protein from either milk protein isolate (MPI), whey protein isolate (WPI), soy protein isolate (SPI), soy protein concentrate (SPC) or enzyme-treated soy protein (SPE). The diets were fed for 8 weeks at which point muscle performance testing was repeated and tissues were collected for analysis. There was no significant difference in food consumption or body weights over time between the diet groups nor were there differences in terminal organ and muscle weights or in serum lipids, creatinine or myostatin. Compared with MPI-fed rats, rats fed WPI and SPC displayed a greater maximum rate of contraction using the in vivo measure of muscle performance (p<0.05) with increases ranging from 13.3-27.5% and 22.8 29.5%, respectively at 60, 80, 100 and 150 Hz. When the maximum force was normalized to body weight, SPC-fed rats displayed increased force compared to MPI (p<0.05), whereas when normalized to gastrocnemius weight, WPI-fed rats displayed increased force compared to MPI (p<0.05). There was no difference between groups using in situ muscle performance. In conclusion, soy protein consumption, in high fat diet, resulted in muscle function comparable to whey protein and improved compared to milk protein. The benefits seen with soy or whey protein were independent of changes in muscle mass or fiber cross-sectional area. PMID- 29216302 TI - Resource utilization in lung cancer diagnostic procedures: Current use and budget consequences. AB - OBJECTIVES: The main objective of this study is to determine the current use of lung cancer diagnostic procedures in two large hospitals in the Netherlands, to explore deviations in guideline adherence between the hospitals, and to estimate the budget impact of the diagnostic work-up as well as the over- and underutilization. MATERIALS & METHODS: A state transition model for the diagnostic pathway for lung cancer patients was developed using existing clinical practice guidelines (CPG) combined with a systematic literature. In addition to the CPGs depicting current practice, diagnostic utilization was gathered in two large hospitals representing an academic tertiary care hospital and a large regional teaching hospital for patients, who were selected from the Netherlands cancer registry. RESULTS: The total population consisted of 376 patients with lung cancer. Not in all cases the guideline was followed, for instance in the usage of MR brain with stage III lung cancer patients (n = 70). The state transition model predicts an average budget impact for the diagnostic pathway per patient estimated of ? 2496 in the academic tertiary care hospital and ? 2191 in the large regional teaching hospital. CONCLUSION: The adherence to the CPG's differed between hospitals, which questions the adherence to CPG's in general. Adherence to CPG's could lead to less costs in the diagnostic pathway for lung cancer patients. PMID- 29216304 TI - Correction: The impact of the Brazilian family health on selected primary care sensitive conditions: A systematic review. AB - [This corrects the article DOI: 10.1371/journal.pone.0182336.]. PMID- 29216303 TI - Three-dimensional self-gated cardiac MR imaging for the evaluation of myocardial infarction in mouse model on a 3T clinical MR system. AB - PURPOSE: To develop and assess a three-dimensional (3D) self-gated technique for the evaluation of myocardial infarction (MI) in mouse model without the use of external electrocardiogram (ECG) trigger and respiratory motion sensor on a 3T clinical MR system. METHODS: A 3D T1-weighted GRE sequence with stack-of-stars sampling trajectories was developed and performed on six mice with MIs that were injected with a gadolinium-based contrast agent at a 3T clinical MR system. Respiratory and cardiac self-gating signals were derived from the Cartesian mapping of the k-space center along the partition encoding direction by bandpass filtering in image domain. The data were then realigned according to the predetermined self-gating signals for the following image reconstruction. In order to accelerate the data acquisition, image reconstruction was based on compressed sensing (CS) theory by exploiting temporal sparsity of the reconstructed images. In addition, images were also reconstructed from the same realigned data by conventional regridding method for demonstrating the advantageous of the proposed reconstruction method. Furthermore, the accuracy of detecting MI by the proposed method was assessed using histological analysis as the standard reference. Linear regression and Bland-Altman analysis were used to assess the agreement between the proposed method and the histological analysis. RESULTS: Compared to the conventional regridding method, the proposed CS method reconstructed images with much less streaking artifact, as well as a better contrast-to-noise ratio (CNR) between the blood and myocardium (4.1 +/- 2.1 vs. 2.9 +/- 1.1, p = 0.031). Linear regression and Bland-Altman analysis demonstrated that excellent correlation was obtained between infarct sizes derived from the proposed method and histology analysis. CONCLUSION: A 3D T1-weighted self-gating technique for mouse cardiac imaging was developed, which has potential for accurately evaluating MIs in mice at 3T clinical MR system without the use of external ECG trigger and respiratory motion sensor. PMID- 29216305 TI - Inhibition effect of Bifidobacterium longum, Lactobacillus acidophilus, Streptococcus thermophilus and Enterococcus faecalis and their related products on human colonic smooth muscle in vitro. AB - OBJECTIVE: To investigate the effects of four strains, generally used in clinic, including Bifidobacterium longum, Lactobacillus acidophilus, Streptococcus thermophilus and Enterococcus faecalis, and their related products on human colonic smooth muscle in vitro. METHODS: Human colonic circular muscle strips obtained from disease-free margins of resected segments from 25 patients with colorectal cancer were isometrically examined in a constant-temperature organ bath and exposed to different concentrations of living bacteria, sonicated cell fractions and cell-free supernatant (CFS). The area under the curve (AUC) representing the contractility of smooth muscle strips was calculated. RESULTS: (1) The four living probiotics inhibited the contractility of human colonic muscle strips only at high concentration (1010 CFUs/mL, all P<0.05). (2) The sonicated cell fractions from the four probiotics obviously inhibited human colonic smooth muscle strips in a dose-dependent manner (P<0.01). (3) The CFS from the four probiotics also inhibited colonic smooth muscle strips in a dose dependent manner (all P<0.05). (4) The inhibition effect of CFS from Streptococcus thermophilus and Enterococcus faecalis decreased obviously when pretreated with NG-nitro-L-arginine (L-NNA, 10-5 mol/L) (P<0.05), but not the Bifidobacterium longum and Lactobacillus acidophilus (P>0.05). CONCLUSION: Four common probiotics related products, including the sonicated cell fractions and the CFS, obviously inhibited human colonic smooth muscles strips contraction in a dose-dependent manner. Only high concentration living probiotics (1010 CFUs/mL) can inhibit the colonic smooth muscles strips contraction. The NO pathway may be partly involved in the inhibitory effect of CFS from Streptococcus thermophilus and Enterococcus faecalis. PMID- 29216306 TI - Correction: Vibrio aphrogenes sp. nov., in the Rumoiensis clade isolated from a seaweed. AB - [This corrects the article DOI: 10.1371/journal.pone.0180053.]. PMID- 29216308 TI - Candida albicans orf19.3727 encodes phytase activity and is essential for human tissue damage. AB - Candida albicans is a clinically important human fungal pathogen. We previously identified the presence of cell-associated phytase activity in C. albicans. Here, we reveal for the first time, that orf19.3727 contributes to phytase activity in C. albicans and ultimately to its virulence potency. Compared with its wild type counterpart, disruption of C. albicans orf19.3727 led to decreased phytase activity, reduced ability to form hyphae, attenuated in vitro adhesion, and reduced ability to penetrate human epithelium, which are the major virulence attributes of this yeast. Thus, orf19.3727 of C. albicans plays a key role in fungal pathogenesis. Further, our data uncover a putative novel strategy for anti Candidal drug design through inhibition of phytase activity of this common pathogen. PMID- 29216307 TI - Audio-motor but not visuo-motor temporal recalibration speeds up sensory processing. AB - Perception of synchrony between one's own action (a finger tap) and the sensory feedback thereof (a visual flash or an auditory pip) can be recalibrated after exposure to an artificially inserted delay between them (temporal recalibration effect: TRE). TRE might be mediated by a compensatory shift of motor timing (when did I tap?) and/or the sensory timing of the feedback (when did I hear/see the feedback?). To examine this, we asked participants to voluntarily tap their index finger at a constant pace while receiving visual or auditory feedback (a flash or pip) that was either synced or somewhat delayed relative to the tap. Following this exposure phase, they then performed a simple reaction time (RT) task to measure the sensory timing of the exposure stimulus, and a sensorimotor synchronization (SMS) task (tapping in synchrony with a flash or pip as pacing stimulus) to measure the point of subjective synchrony between the tap and pacing stimulus. The results showed that after exposure to delayed auditory feedback, participants tapped earlier (~21.5 ms) relative to auditory pacing stimuli (= temporal recalibration) and reacted faster (~5.6 ms) to auditory stimuli. For visual exposure and test stimuli, there were no such compensatory effects. These results indicate that adjustments of audio-motor synchrony can to some extent be explained by a change in the speed of auditory sensory processing. We discuss this in terms of an attentional modulation of sensory processing. PMID- 29216309 TI - Coronary-to-pulmonary artery fistula in adults: Evaluation with thallium-201 myocardial perfusion SPECT. AB - OBJECTIVES: With the increasing use of multi-detector CT, the number of detected cases with coronary-to-pulmonary artery fistula (CPAF) has increased. Several previous studies reported severe cases of angina, but no appropriate tests to evaluate myocardial perfusion for patients with CPAF have been established. We evaluated the hemodynamic characteristics of CPAF using thallium-201 (Tl-201) single photon emission computed tomography (SPECT). MATERIALS AND METHODS: Tl-201 SPECT was performed in 17 patients with CPAF, but without evidence of coronary artery disease on coronary computed tomography angiography (CCTA) (age, 58.5+/ 13.3 years; 8 men). Quantitative analysis of scintigraphic data was performed. Additionally, perfusion abnormalities were compared with CCTA findings. Medical records were obtained to define clinical data, diagnostic findings, symptoms, management, follow-up data, and major adverse cardiac events (MACE). RESULTS: Six patients (35.2%) showed perfusion abnormalities on SPECT studies and could be classified as follows: 3 patients, no reversible ischemia (3/17, 17.6%); 1 patient, mild ischemia (1/17, 5.8%); and 2 patients, moderate ischemia (2/17, 11.7%). During the follow-up, ten patients (58.8%) improved under medical management and 5 patients (29.4%) underwent surgical ligation for CPAF with symptomatic improvement in 4 patients. Seven patients performed follow-up myocardial perfusion SPECT, and symptomatic improvement correlated well with scintigraphic perfusion improvement in 6 patients No MACE was observed. CLINICAL SIGNIFICANCE: Tl-201 myocardial perfusion SPECT might be useful for determining the hemodynamic status and for risk stratification in patients with CPAF. PMID- 29216310 TI - Gbm.auto: A software tool to simplify spatial modelling and Marine Protected Area planning. AB - BOOSTED REGRESSION TREES. EXCELLENT FOR DATA-POOR SPATIAL MANAGEMENT BUT HARD TO USE: Marine resource managers and scientists often advocate spatial approaches to manage data-poor species. Existing spatial prediction and management techniques are either insufficiently robust, struggle with sparse input data, or make suboptimal use of multiple explanatory variables. Boosted Regression Trees feature excellent performance and are well suited to modelling the distribution of data-limited species, but are extremely complicated and time-consuming to learn and use, hindering access for a wide potential user base and therefore limiting uptake and usage. BRTS AUTOMATED AND SIMPLIFIED FOR ACCESSIBLE GENERAL USE WITH RICH FEATURE SET: We have built a software suite in R which integrates pre-existing functions with new tailor-made functions to automate the processing and predictive mapping of species abundance data: by automating and greatly simplifying Boosted Regression Tree spatial modelling, the gbm.auto R package suite makes this powerful statistical modelling technique more accessible to potential users in the ecological and modelling communities. The package and its documentation allow the user to generate maps of predicted abundance, visualise the representativeness of those abundance maps and to plot the relative influence of explanatory variables and their relationship to the response variables. Databases of the processed model objects and a report explaining all the steps taken within the model are also generated. The package includes a previously unavailable Decision Support Tool which combines estimated escapement biomass (the percentage of an exploited population which must be retained each year to conserve it) with the predicted abundance maps to generate maps showing the location and size of habitat that should be protected to conserve the target stocks (candidate MPAs), based on stakeholder priorities, such as the minimisation of fishing effort displacement. GBM.AUTO FOR MANAGEMENT IN VARIOUS SETTINGS: By bridging the gap between advanced statistical methods for species distribution modelling and conservation science, management and policy, these tools can allow improved spatial abundance predictions, and therefore better management, decision-making, and conservation. Although this package was built to support spatial management of a data-limited marine elasmobranch fishery, it should be equally applicable to spatial abundance modelling, area protection, and stakeholder engagement in various scenarios. PMID- 29216312 TI - Correction: Long-distance connections in the Copper Age: New evidence from the Alpine Iceman's copper axe. AB - [This corrects the article DOI: 10.1371/journal.pone.0179263.]. PMID- 29216311 TI - Amelioration of sexual behavior and motor activity deficits in a castrated rodent model with a selective androgen receptor modulator SARM-2f. AB - Sarcopenia and cachexia present characteristic features of a decrease in skeletal muscle mass and strength, anorexia, and lack of motivation. Treatments for these diseases have not yet been established, although selective androgen receptor modulators (SARMs) are considered as therapeutic targets. We previously reported that a novel SARM compound, SARM-2f, exhibits anabolic effect on muscles, with less stimulatory effect on prostate weight compared with testosterone, in rat Hershberger assays and cancer cachexia models. In this study, we studied the mechanism of action for SARM-2f selectivity and also assessed whether the muscle increase by this compound might lead to improvement of muscle function and physical activity. First, we examined the tissue distribution of SARM-2f. Tissue concentration was 1.2-, 1.6-, and 1.9-fold as high as the plasma concentration in the levator ani muscle, brain, and prostate, respectively. This result showed that the tissue-selective pharmacological effect did not depend on SARM-2f concentration in the tissues. The ability of SARM-2f to influence androgen receptor (AR)-mediated transcriptional activation was examined by reporter assays using human normal prostate epithelial cells (PrEC) and skeletal muscle cells (SKMC). SARM-2f exerted higher activity against AR in SKMC than in PrEC. Mammalian two hybrid assays showed different co-factor recruitment patterns between SARM-2f and dihydrotestosterone. Next, we studied the effect of SARM-2f on motivation and physical functions such as sexual behavior and motor activities in castrated rat or mouse models. SARM-2f restored the sexual behavior that was lost by castration in male rats. SARM-2f also increased voluntary running distance and locomotor activities. These results suggest that tissue-specific AR regulation by SARM-2f, but not tissue distribution, might account for its tissue specific androgenic effect, and that the muscle mass increase by SARM-2f leads to improvement of physical function. Together, these findings suggest that SARM-2f might represent an effective treatment for sarcopenia and cachexia. PMID- 29216313 TI - Correction: Elongation Factor Tu and Heat Shock Protein 70 Are Membrane Associated Proteins from Mycoplasma ovipneumoniae Capable of Inducing Strong Immune Response in Mice. AB - [This corrects the article DOI: 10.1371/journal.pone.0161170.]. PMID- 29216314 TI - Clinical outcomes in patients treated for coronary in-stent restenosis with drug eluting balloons: Impact of high platelet reactivity. AB - BACKGROUND: The impact of high platelet reactivity (HPR) on clinical outcomes after elective percutaneous coronary interventions (PCI) with drug-eluting balloons (DEB) due to in-stent restenosis (ISR) is unknown. OBJECTIVE: We sought to evaluate the prognostic importance of HPR together with conventional risk factors in patients treated with DEB. METHODS: Patients treated with DEB due to ISR were enrolled in a single-centre, prospective registry between October 2009 and March 2015. Only patients with recent myocardial infarction (MI) received prasugrel, others were treated with clopidogrel. HPR was defined as an ADP-test >46U with the Multiplate assay and no adjustments were done based on results. The primary endpoint of the study was a composite of cardiovascular mortality, MI, any revascularization or stroke during one-year follow-up. RESULTS: 194 stable angina patients were recruited of whom 90% were treated with clopidogrel. Clinical characteristics and procedural data were available for all patients; while platelet function testing was performed in 152 subjects of whom 32 (21%) had HPR. Patients with HPR had a higher risk for the primary endpoint (HR: 2.45; CI: 1.01-5.92; p = 0.03). The difference was primarily driven by a higher risk for revascularization and MI. According to the multivariate analysis, HPR remained a significant, independent predictor of the primary endpoint (HR: 2.88; CI: 1.02-8.14; p = 0.04), while total DEB length and statin treatment were other independent correlates of the primary outcome. CONCLUSION: HPR was found to be an independent predictor of repeat revascularization and MI among elective patients with ISR undergoing PCI with DEB. PMID- 29216316 TI - Correction: Low magnitude high frequency vibration promotes adipogenic differentiation of bone marrow stem cells via P38 MAPK signal. AB - [This corrects the article DOI: 10.1371/journal.pone.0172954.]. PMID- 29216315 TI - The pUL37 tegument protein guides alpha-herpesvirus retrograde axonal transport to promote neuroinvasion. AB - A hallmark property of the neurotropic alpha-herpesvirinae is the dissemination of infection to sensory and autonomic ganglia of the peripheral nervous system following an initial exposure at mucosal surfaces. The peripheral ganglia serve as the latent virus reservoir and the source of recurrent infections such as cold sores (herpes simplex virus type I) and shingles (varicella zoster virus). However, the means by which these viruses routinely invade the nervous system is not fully understood. We report that an internal virion component, the pUL37 tegument protein, has a surface region that is an essential neuroinvasion effector. Mutation of this region rendered herpes simplex virus type 1 (HSV-1) and pseudorabies virus (PRV) incapable of spreading by retrograde axonal transport to peripheral ganglia both in culture and animals. By monitoring the axonal transport of individual viral particles by time-lapse fluorescence microscopy, the mutant viruses were determined to lack the characteristic sustained intracellular capsid motion along microtubules that normally traffics capsids to the neural soma. Consistent with the axonal transport deficit, the mutant viruses did not reach sites of latency in peripheral ganglia, and were avirulent. Despite this, viral propagation in peripheral tissues and in cultured epithelial cell lines remained robust. Selective elimination of retrograde delivery to the nervous system has long been sought after as a means to develop vaccines against these ubiquitous, and sometimes devastating viruses. In support of this potential, we find that HSV-1 and PRV mutated in the effector region of pUL37 evoked effective vaccination against subsequent nervous system challenges and encephalitic disease. These findings demonstrate that retrograde axonal transport of the herpesviruses occurs by a virus-directed mechanism that operates by coordinating opposing microtubule motors to favor sustained retrograde delivery of the virus to the peripheral ganglia. The ability to selectively eliminate the retrograde axonal transport mechanism from these viruses will be useful in trans-synaptic mapping studies of the mammalian nervous system, and affords a new vaccination paradigm for human and veterinary neurotropic herpesviruses. PMID- 29216317 TI - Novel Wolbachia-transinfected Aedes aegypti mosquitoes possess diverse fitness and vector competence phenotypes. AB - Wolbachia pipientis from Drosophila melanogaster (wMel) is an endosymbiotic bacterium that restricts transmission of human pathogenic flaviviruses and alphaviruses, including dengue, Zika, and chikungunya viruses, when introduced into the mosquito vector Aedes aegypti. To date, wMel-infected Ae. aegypti have been released in field trials in 5 countries to evaluate the effectiveness of this strategy for disease control. Despite the success in establishing wMel infected mosquitoes in wild populations, and the well-characterized antiviral capabilities of wMel, transinfecting different or additional Wolbachia strains into Ae. aegypti may improve disease impact, and perhaps more importantly, could provide a strategy to account for the possible evolution of resistant arboviruses. Here, we report the successful transinfection of Ae. aegypti with the Wolbachia strains wMelCS (D. melanogaster), wRi (D. simulans) and wPip (Culex quinquefasciatus) and assess the effects on Ae. aegypti fitness, cytoplasmic incompatibility, tissue tropism and pathogen blocking in a laboratory setting. The results demonstrate that wMelCS provides a similar degree of protection against dengue virus as wMel following an infectious blood meal, and significantly reduces viral RNA levels beyond that of wMel following a direct challenge with infectious virus in mosquitoes, with no additional fitness cost to the host. The protection provided by wRi is markedly weaker than that of wMelCS, consistent with previous characterisations of these lines in Drosophila, while wPip was found to substantially reduce the fitness of Ae. aegypti. Thus, we determine wMelCS as a key candidate for further testing in field-relevant fitness tests and viremic blood feeding challenges in a clinical setting to determine if it may represent an alternative Wolbachia strain with more desirable attributes than wMel for future field testing. PMID- 29216319 TI - Correction: Bioactive properties of faveleira (Cnidoscolus quercifolius) seeds, oil and press cake obtained during oilseed processing. AB - [This corrects the article DOI: 10.1371/journal.pone.0183935.]. PMID- 29216318 TI - Reproducibility of objectively measured physical activity and sedentary time over two seasons in children; Comparing a day-by-day and a week-by-week approach. AB - INTRODUCTION: Knowledge of reproducibility of accelerometer-determined physical activity (PA) and sedentary time (SED) estimates are a prerequisite to conduct high-quality epidemiological studies. Yet, estimates of reproducibility might differ depending on the approach used to analyze the data. The aim of the present study was to determine the reproducibility of objectively measured PA and SED in children by directly comparing a day-by-day and a week-by-week approach to data collected over two weeks during two different seasons 3-4 months apart. METHODS: 676 11-year-old children from the Active Smarter Kids study conducted in Sogn og Fjordane county, Norway, performed 7 days of accelerometer monitoring (ActiGraph GT3X+) during January-February and April-May 2015. Reproducibility was calculated using a day-by-day and a week-by-week approach applying mixed effect modelling and the Spearman Brown prophecy formula, and reported using intra-class correlation (ICC), Bland Altman plots and 95% limits of agreement (LoA). RESULTS: Applying a week-by-week approach, no variables provided ICC estimates >= 0.70 for one week of measurement in any model (ICC = 0.29-0.66 not controlling for season; ICC = 0.49-0.67 when controlling for season). LoA for these models approximated a factor of 1.3-1.7 of the sample PA level standard deviations. Compared to the week-by-week approach, the day-by-day approach resulted in too optimistic reliability estimates (ICC = 0.62-0.77 not controlling for season; ICC = 0.64 0.77 when controlling for season). CONCLUSIONS: Reliability is lower when analyzed over different seasons and when using a week-by-week approach, than when applying a day-by-day approach and the Spearman Brown prophecy formula to estimate reliability over a short monitoring period. We suggest a day-by-day approach and the Spearman Brown prophecy formula to determine reliability be used with caution. TRIAL REGISTRATION: The study is registered in Clinicaltrials.gov 7th April 2014 with identification number NCT02132494. PMID- 29216320 TI - Correction: Fat and Carbohydrate Intake over Three Generations Modify Growth, Metabolism and Cardiovascular Phenotype in Female Mice in an Age-Related Manner. AB - [This corrects the article DOI: 10.1371/journal.pone.0134664.]. PMID- 29216321 TI - Correction: Iron deficiency was not the major cause of anemia in rural women of reproductive age in Sidama zone, southern Ethiopia: A cross-sectional study. AB - [This corrects the article DOI: 10.1371/journal.pone.0184742.]. PMID- 29216322 TI - Correction: Bacterial community and arsenic functional genes diversity in arsenic contaminated soils from different geographic locations. AB - [This corrects the article DOI: 10.1371/journal.pone.0176696.]. PMID- 29216323 TI - Correction: Formation of homophily in academic performance: Students change their friends rather than performance. AB - [This corrects the article DOI: 10.1371/journal.pone.0183473.]. PMID- 29216324 TI - Correction: The lithic assemblages of Donggutuo, Nihewan basin: Knapping skills of Early Pleistocene hominins in North China. AB - [This corrects the article DOI: 10.1371/journal.pone.0185101.]. PMID- 29216325 TI - Correction: The Human Touch: Skin Temperature during the Rubber Hand Illusion in Manual and Automated Stroking Procedures. AB - [This corrects the article DOI: 10.1371/journal.pone.0080688.]. PMID- 29216326 TI - Pathogen manipulation of host metabolism: A common strategy for immune evasion. PMID- 29216327 TI - Protamine neutralizes chondroitin sulfate proteoglycan-mediated inhibition of oligodendrocyte differentiation. AB - Chondroitin sulfate proteoglycans (CSPGs), which are enriched in demyelinating plaques in neurodegenerative diseases, such as multiple sclerosis (MS), impair remyelination by inhibiting the migration and differentiation of oligodendrocyte precursor cells (OPCs) in the central nervous system (CNS). We herein show that protamine (PRM, also known as a heparin antagonist) effectively neutralizes the inhibitory activities of CSPGs, thereby enhancing OPC differentiation and (re)myelination in mice. Cell-based assays using mouse OPC-like OL1 cells revealed that the PRM treatment exerted masking effects on extracellular CSPGs and improved oligodendrocyte differentiation on inhibitory CSPG-coated substrates. PRM also bound to the extracellular region of protein tyrosine phosphatase receptor type Z (PTPRZ), a membrane-spanning CSPG predominantly expressed in OPCs, and functioned as a ligand mimetic of PTPRZ, thereby suppressing its negative regulatory activity on oligodendrocyte differentiation. In primary cultures, the differentiation of OPCs from wild-type and Ptprz deficient mice was equally enhanced by PRM. Moreover, the intranasal administration of PRM accelerated myelination in the developing mouse brain, and its intracerebroventricular administration stimulated remyelination after cuprizone-induced demyelination. These results indicate that PRM has CSPG neutralizing activity which promotes oligodendrocyte differentiation under developmental and morbid conditions. PMID- 29216328 TI - Comparative analysis of IDF, ATPIII and CDS in the diagnosis of metabolic syndrome among adult inhabitants in Jiangxi Province, China. AB - BACKGROUND: Currently, the prevalence of metabolic syndrome (MS) has attracted widespread public attention. However, there is a war regarding the applicability of the diagnosis in different populations regarding the distinct criteria for the diagnosis of MS. Data about the prevalence rate of MS and its components in Jiangxi Province are limited. Thus, our goals were to compare the consistency rates and applicability of three criteria, i.e., those of the International Diabetes Federation (IDF), the National Cholesterol Education Program Adult Treatment PanelIII (ATPIII), and the Chinese Diabetes Society (CDS). METHODS: From September 2013 to March 2014, 5959 residents (age>=18 years) from Jiangxi Province were selected by multistage stratified cluster random sampling methods. The prevalence rate of MS and its components were calculated according to the IDF, ATPIII and CDS criteria, and the protocols of the different criteria were measured in terms of consistency with the kappa statistic and Youden's index. Receiver operator characteristic (ROC) curve analysis was used to explore the optimal cut-off points of body mass index (BMI) and waist circumference (WC). RESULTS: The mean age of the participants was 50.52+/-13.92 years among the total of 5959 individuals (2451 male and 3508 female). The standardized prevalence rate of MS was 19.85%, 24.77% and 9.95% according to the IDF, ATPIII and CDS criteria, respectively. The order of the prevalence rates of the different components of MS according to the IDF or ATPIII criteria from high to low were as follows: elevated blood pressure, central obesity, reduced high density lipoprotein cholesterol (HDL-C), hyperglycemia, and hypertriglyceridemia. The most prevalent component of MS, according to the CDS criterion, was being overweight or obese, followed by elevated blood pressure, dyslipidemia and hyperglycemia. The Youden's index in IDF criterion was higher than which in CDS criterion (0.79 for IDF vs. 0.38 for CDS) referring to the ATPIII criterion. The agreement between the IDF and ATPIII criteria was good (kappa = 0.85), whereas the agreement of the CDS with the IDF and ATPIII criteria was moderate (kappa = 0.46 and 0.46, respectively). The ability to predict MS risk factors clusters was superior when the BMI cut-off point was 24/24kg/m2 (male/female), and the WC cut-off point was 87/80cm (male/female). Among the 18~59 years old male group, BMI was superior to WC in predicting clusters of risk factors for MS; while in the 60 years and above male group and all-age female group, WC was superior to BMI. CONCLUSION: Our results revealed that the prevalence rate of metabolic syndrome among adults was high in Jiangxi Province. BMI and WC had different ability to predict clusters of risk factors for MS in different age groups and gender. Among the three criteria for MS, there was bigger difference in applicability for the adults of Jiangxi Province. The choice of the appropriate criteria should be based on the actual conditions of the site. PMID- 29216329 TI - Characterization of Fusobacterium varium Fv113-g1 isolated from a patient with ulcerative colitis based on complete genome sequence and transcriptome analysis. AB - Fusobacterium spp. present in the oral and gut flora is carcinogenic and is associated with the risk of pancreatic and colorectal cancers. Fusobacterium spp. is also implicated in a broad spectrum of human pathologies, including Crohn's disease and ulcerative colitis (UC). Here we report the complete genome sequence of Fusobacterium varium Fv113-g1 (genome size, 3.96 Mb) isolated from a patient with UC. Comparative genome analyses totally suggested that Fv113-g1 is basically assigned as F. varium, in particular, it could be reclassified as notable F. varium subsp. similar to F. ulcerans because of partial shared orthologs. Compared with the genome sequences of F. varium ATCC 27725 (genome size, 3.30 Mb) and other strains of Fusobacterium spp., Fv113-g1 possesses many accessary pan genome sequences with noteworthy multiple virulence factors, including 44 autotransporters (type V secretion system, T5SS) and 13 Fusobacterium adhesion (FadA) paralogs involved in potential mucosal inflammation. Indeed, transcriptome analysis demonstrated that Fv113-g1-specific accessary genes, such as multiple T5SS and fadA paralogs, showed notably increased expression with D-MEM cultivation than with brain heart infusion broth. This implied that growth condition may enhance the expression of such potential virulence factors, leading to remarkable survival against other gut microorganisms and to the pathogenicity to human intestinal epithelium. PMID- 29216331 TI - Combined short- and long-axis ultrasound-guided central venous catheterization is superior to conventional techniques: A cross-over randomized controlled manikin trial. AB - OBJECTIVES: Visualizing the needle tip using the short-axis (SA) ultrasound guided central venous catheterization approach can be challenging. It has been suggested to start the process with the SA approach and then switch to the long axis (LA); however, to our knowledge, this combination has not been evaluated. We compared the combined short- and long-axis (SLA) approach with the SA approach in a manikin study. METHODS: We performed a prospective randomized controlled cross over study in an urban emergency department and intensive care unit. Resident physicians in post-graduate years 1-2 performed a simulated ultrasound-guided internal jugular vein puncture using the SA and SLA approaches on manikins. Twenty resident physicians were randomly assigned to two equal groups: (1) one group performed punctures using the SA approach followed by SLA; and (2) the other performed the same procedures in the opposite order. We compared the success rate and procedure duration for the two approaches. Procedural success was defined as insertion of the guide-wire into the vein while visualizing the needle tip at the time of anterior wall puncture, without penetrating the posterior wall. RESULTS: Six resident physicians (30%) performed both approaches successfully, while 12 (60%) performed the SLA approach, but not the SA, successfully. Those who performed the SA approach successfully also succeeded with the SLA approach. Two resident physicians (10%) failed to perform both approaches. The SLA approach had a significantly higher success rate than the SA approach (P < 0.001). The median (interquartile range) procedure duration was 59.5 [46.0-88.5] seconds and 45.0 [37.5-84.0] seconds for the SLA and SA approaches, respectively. The difference of the duration between the two procedures was 15.5 [0-28.5] seconds. There was no significant difference in duration between the two approaches (P = 0.12). CONCLUSIONS: Using the SLA approach significantly improved the success rate of internal jugular vein puncture performed by novice physicians on a manikin model, without increasing procedural duration. Further clinical trials are warranted to confirm the procedure's utility in actual patients. TRIAL REGISTRATION: UMIN Clinical Trials Registry UMIN000026199. PMID- 29216330 TI - Genome-wide analysis of the Brachypodium distachyon (L.) P. Beauv. Hsp90 gene family reveals molecular evolution and expression profiling under drought and salt stresses. AB - The structure, evolution, and function of heat shock proteins 90 (Hsp90s) have been investigated in great detail in fungi and animals. However, studies on the Hsp90 genes in plants are generally limited. Brachypodium distachyon (L.) P. Beauv., as a model plant for cereal crops, has become a potential biofuel grass. During its long evolution, the Hsp90 gene family in Brachypodium has developed some strategies to cope with adverse environments. How the Hsp90 gene family in Brachypodium evolved in different plant lineages and what its role is in plant responses to drought and salt stresses remains to be elucidated. We used a set of different bioinformatics tools to identify 94 Hsp90 genes from 10 species representing four plant lineages and classified into three subgroups. Eight BdHsp90 genes were detected from B. distachyon. The number of exon-intron structures differed in each subgroup, and the motif analysis revealed that these genes were relatively conservative in each group. The fragments duplication and tandem duplication, which are the prime powers for functional diversity, generally occurred during the duplication of the whole plant genome. Transcriptional analysis of the BdHsp90 genes under salt and drought stress conditions indicated that the expression of these genes was delayed or increased at different stress time points; The expression was more affected in that of Bradi3g39630, Bradi4g06370, and Bradi1g30130. Our findings suggest the involvement of BdHsp90s in plant abiotic stress response, and further consolidate our views on the stress response mechanism of Hsp90 in general. PMID- 29216332 TI - Voltage-dependent calcium channel signaling mediates GABAA receptor-induced migratory activation of dendritic cells infected by Toxoplasma gondii. AB - The obligate intracellular parasite Toxoplasma gondii exploits cells of the immune system to disseminate. Upon T. gondii-infection, gamma-aminobutyric acid (GABA)/GABAA receptor signaling triggers a hypermigratory phenotype in dendritic cells (DCs) by unknown signal transduction pathways. Here, we demonstrate that calcium (Ca2+) signaling in DCs is indispensable for T. gondii-induced DC hypermotility and transmigration in vitro. We report that activation of GABAA receptors by GABA induces transient Ca2+ entry in DCs. Murine bone marrow-derived DCs preferentially expressed the L-type voltage-dependent Ca2+ channel (VDCC) subtype Cav1.3. Silencing of Cav1.3 by short hairpin RNA or selective pharmacological antagonism of VDCCs abolished the Toxoplasma-induced hypermigratory phenotype. In a mouse model of toxoplasmosis, VDCC inhibition of adoptively transferred Toxoplasma-infected DCs delayed the appearance of cell associated parasites in the blood circulation and reduced parasite dissemination to target organs. The present data establish that T. gondii-induced hypermigration of DCs requires signaling via VDCCs and that Ca2+ acts as a second messenger to GABAergic signaling via the VDCC Cav1.3. The findings define a novel motility-related signaling axis in DCs and unveil that interneurons and DCs share common GABAergic motogenic pathways. T. gondii employs GABAergic non-canonical pathways to induce host cell migration and facilitate dissemination. PMID- 29216333 TI - A donor-specific QTL, exhibiting allelic variation for leaf sheath hairiness in a nested association mapping population, is located on barley chromosome 4H. AB - Leaf sheath hairiness is a morphological trait associated with various advantages, including tolerance to both abiotic and biotic stresses, thereby increasing yield. Understanding the genetic basis of this trait in barley can therefore improve the agronomic performance of this economically important crop. We scored leaf sheath hairiness in a two-year field trial in 1,420 BC1S3 lines from the wild barley nested association mapping (NAM) population HEB-25. Leaf sheath hairiness segregated in six out of 25 families with the reference parent Barke being glabrous. We detected the major hairy leaf sheath locus Hs (syn. Hsh) on chromosome 4H (111.3 cM) with high precision. The effects of the locus varied across the six different wild barley donors, with donor of HEB family 11 conferring the highest score of leaf sheath hairiness. Due to the high mapping resolution present in HEB-25, we were able to discuss physically linked pentatricopeptide repeat genes and subtilisin-like proteases as potential candidate genes underlying this locus. In this study, we proved that HEB-25 provides an appropriate tool to further understand the genetic control of leaf sheath hairiness in barley. Furthermore, our work represents a perfect starting position to clone the gene responsible for the 4H locus observed. PMID- 29216334 TI - Orientia tsutsugamushi: A neglected but fascinating obligate intracellular bacterial pathogen. PMID- 29216336 TI - Managing diabetic kidney disease. AB - Introduction: Diabetes mellitus (DM) is the leading cause of chronic kidney disease (CKD). This review covers the pillars of care essential for the management of diabetic kidney disease (DKD) including (1) early diagnosis, (2) improved glycaemic control, (3) treatment of hypertension, (4) identification and treatment of associated metabolic bone disease and (5) identification and effective management of dyslipidaemia and additional cardiovascular risk factors. Sources of data: We searched PubMed for articles using search terms: diabetic nephropathy, diabetic kidney disease, diabetes and chronic kidney disease. We used clinical guidelines from NICE, the Association of British Clinical Diabetologists (ABCD), the Joint British Societies (JBS) and the Kidney Disease: Improving Global Outcomes (KDIGO) working group. Areas of agreement: Multiple risk factor reduction targeting glycaemic control, blood pressure control, dyslipidaemia, smoking and management of obesity is important in preventing and in managing DKD. Areas of controversy: Guidelines disagree on the individualized glycaemic targets for patients with diabetic kidney disease. Growing points: The growing number of patients with DKD is causing increased pressure on limited primary care and specialized services. New ways of managing patients using novel technology solutions are required. Areas timely for development: The use of novel anti-hyperglycaemic agents, particularly sodium glucose co-transporter 2 inhibitors and GLP-1 receptor agonists, has been associated with a reduction in cardiovascular disease and DKD. PMID- 29216335 TI - Introgression of Aegilops speltoides segments in Triticum aestivum and the effect of the gametocidal genes. AB - Background and Aims: Bread wheat (Triticum aestivum) has been through a severe genetic bottleneck as a result of its evolution and domestication. It is therefore essential that new sources of genetic variation are generated and utilized. This study aimed to generate genome-wide introgressed segments from Aegilops speltoides. Introgressions generated from this research will be made available for phenotypic analysis. Methods: Aegilops speltoides was crossed as the male parent to T. aestivum 'Paragon'. The interspecific hybrids were then backcrossed to Paragon. Introgressions were detected and characterized using the Affymetrix Axiom Array and genomic in situ hybridization (GISH). Key Results: Recombination in the gametes of the F1 hybrids was at a level where it was possible to generate a genetic linkage map of Ae. speltoides. This was used to identify 294 wheat/Ae. speltoides introgressions. Introgressions from all seven linkage groups of Ae. speltoides were found, including both large and small segments. Comparative analysis showed that overall macro-synteny is conserved between Ae. speltoides and T. aestivum, but that Ae. speltoides does not contain the 4A/5A/7B translocations present in wheat. Aegilops speltoides has been reported to carry gametocidal genes, i.e. genes that ensure their transmission through the gametes to the next generation. Transmission rates of the seven Ae. speltoides linkage groups introgressed into wheat varied. A 100 % transmission rate of linkage group 2 demonstrates the presence of the gametocidal genes on this chromosome. Conclusions: A high level of recombination occurs between the chromosomes of wheat and Ae. speltoides, leading to the generation of large numbers of introgressions with the potential for exploitation in breeding programmes. Due to the gametocidal genes, all germplasm developed will always contain a segment from Ae. speltoides linkage group 2S, in addition to an introgression from any other linkage group. PMID- 29216337 TI - BRCA 1 and 2 mutation status: the elephant in the room during oncofertility counseling for young breast cancer patients. PMID- 29216338 TI - Transcriptome States Reflect Imaging of Aging States. AB - In this study, we describe a morphological biomarker that detects multiple discrete subpopulations (or "age-states") at several chronological ages in a population of nematodes (Caenorhabditis elegans). We determined the frequencies of three healthy adult states and the timing of the transitions between them across the lifespan. We used short-lived and long-lived strains to confirm the general applicability of the state classifier and to monitor state progression. This exploration revealed healthy and unhealthy states, the former being favored in long-lived strains and the latter showing delayed onset. Short-lived strains rapidly transitioned through the putative healthy state. We previously found that age-matched animals in different age-states have distinct transcriptome profiles. We isolated animals at the beginning and end of each identified state and performed microarray analysis (principal component analysis, relative sample to sample distance measurements, and gene set enrichment analysis). In some comparisons, chronologically identical individuals were farther apart than morphologically identical individuals isolated on different days. The age-state biomarker allowed assessment of aging in a novel manner, complementary to chronological age progression. We found hsp70 and some small heat shock protein genes are expressed later in adulthood, consistent with the proteostasis collapse model. PMID- 29216339 TI - Exercise Training for Preventing Dementia, Mild Cognitive Impairment, and Clinically Meaningful Cognitive Decline: A Systematic Review and Meta-analysis. AB - Background: To assess the effects of long-term exercise on the onset of dementia, mild cognitive impairment (MCI), and other clinically meaningful cognitive decline in the elderly adults. Methods: Systematic review with preplanned meta analysis. Electronic searches were performed between November 2016 and May 2017. Randomized controlled trials (RCTs) examining the effects of long-term exercise (intervention length 12 months or longer) on the onset of dementia, MCI, or clinically meaningful cognitive decline in older adults without dementia at baseline were eligible. Two authors extracted the data independently. Four binary outcomes were defined: dementia onset, MCI onset, other clinically meaningful cognitive decline, and any of these three outcomes combined. Results: Five studies (n = 2,878 participants randomized) were included in this review. Outcomes' incidence for exercisers and controls were, respectively: 3.7% (n = 949) and 6.1% (n = 1,017) for dementia (three studies), 10.2% (n = 686) and 9.1% (n = 682) for MCI (one study), 14.5% (n = 124) and 15.4% (n = 123) for other clinically meaningful cognitive decline (two studies), and 11.4% (n = 1,073) and 12.5% (n = 1,140) for all outcomes combined. Meta-analyses found no significant effects of exercise for reducing the risk of dementia, MCI, other clinically meaningful cognitive decline, or all outcomes combined. Conclusions: Evidence from RCTs is limited and does not support that exercise reduces the risk of developing clinically important cognitive outcomes. Further long-term exercise RCTs are needed before solid conclusions can be drawn. PMID- 29216342 TI - Comparison of phenotypic and WGS-derived antimicrobial resistance profiles of Salmonella enterica serovars Typhi and Paratyphi. AB - Objectives: Surveillance of antimicrobial resistance (AMR) in Salmonella enterica serovars Typhi and Paratyphi is essential to provide an evidence base for empirical treatment protocols and to monitor emerging AMR. We sought to compare phenotypic and WGS-based genotypic methods for the detection of AMR in Salmonella Typhi and Salmonella Paratyphi. Methods: WGS data from 603 isolates of Salmonella Typhi (n = 332) and Salmonella Paratyphi (n = 271) were mapped to genes or chromosomal mutations known to be associated with phenotypic AMR and compared with phenotypic susceptibility data interpreted using breakpoints recommended by EUCAST. Results: There were two (0.03%) discordant interpretations out of a possible 6030 isolate/antimicrobial class combinations. MDR (resistant to three or more classes of antimicrobial) was detected in 83/332 (25.0%) Salmonella Typhi isolates, but was not detected in Salmonella Paratyphi. Thirty-six (10.8%) isolates of Salmonella Typhi were resistant to ciprofloxacin (MIC >0.5 mg/L), with 33 (9.9%) of 332 exhibiting mutations in gyrA and parC, and 244 (73.5%) isolates had reduced susceptibility to ciprofloxacin (MIC 0.06-0.25 mg/L). In comparison, 209/227 (92.1%) isolates of Salmonella Paratyphi A exhibited resistance to ciprofloxacin (MIC >0.5 mg/L). No resistance to azithromycin or the third-generation cephalosporins was detected. Conclusions: WGS data provided a robust and informative approach for monitoring MDR and emerging resistance to ciprofloxacin in Salmonella Typhi and Salmonella Paratyphi. Phenotypic antimicrobial susceptibility testing continues to be performed to guide targeted individual patient treatment, but inferred AMR profiles from WGS data may be used for surveillance and to guide empirical therapy. PMID- 29216340 TI - Incorporating blood-based liquid biopsy information into cancer staging: time for a TNMB system? AB - Tissue biopsy is the standard diagnostic procedure for cancer. Biopsy may also provide material for genotyping, which can assist in the diagnosis and selection of targeted therapies but may fall short in cases of inadequate sampling, particularly from highly heterogeneous tumors. Traditional tissue biopsy suffers greater limitations in its prognostic capability over the course of disease, most obviously as an invasive procedure with potential complications, but also with respect to probable tumor clonal evolution and metastasis over time from initial biopsy evaluation. Recent work highlights circulating tumor DNA (ctDNA) present in the blood as a supplemental, or perhaps an alternative, source of DNA to identify the clinically relevant cancer mutational landscape. Indeed, this noninvasive approach may facilitate repeated monitoring of disease progression and treatment response, serving as a means to guide targeted therapies based on detected actionable mutations in patients with advanced or metastatic solid tumors. Notably, ctDNA is heralding a revolution in the range of genomic profiling and molecular mechanisms to be utilized in the battle against cancer. This review will discuss the biology of ctDNA, current methods of detection and potential applications of this information in tumor diagnosis, treatment, and disease prognosis. Conventional classification of tumors to describe cancer stage follow the TNM notation system, heavily weighting local tumor extent (T), lymph node invasion (N), and detectable metastasis (M). With recent advancements in genomics and bioinformatics, it is conceivable that routine analysis of ctDNA from liquid biopsy (B) may make cancer diagnosis, treatment, and prognosis more accurate for individual patients. We put forward the futuristic concept of TNMB tumor classification, opening a new horizon for precision medicine with the hope of creating better outcomes for cancer patients. PMID- 29216341 TI - Use and Importance of Nonhuman Primates in Metabolic Disease Research: Current State of the Field. AB - Obesity and its multiple metabolic sequelae, including type 2 diabetes, cardiovascular disease, and fatty liver disease, are becoming increasingly widespread in both the developed and developing world. There is an urgent need to identify new approaches for the prevention and treatment of these costly and prevalent metabolic conditions. Accomplishing this will require the use of appropriate animal models for preclinical and translational investigations in metabolic disease research. Although studies in rodent models are often useful for target/pathway identification and testing hypotheses, there are important differences in metabolic physiology between rodents and primates, and experimental findings in rodent models have often failed to be successfully translated into new, clinically useful therapeutic modalities in humans. Nonhuman primates represent a valuable and physiologically relevant model that serve as a critical translational bridge between basic studies performed in rodent models and clinical studies in humans. The purpose of this review is to evaluate the evidence, including a number of specific examples, in support of the use of nonhuman primate models in metabolic disease research, as well as some of the disadvantages and limitations involved in the use of nonhuman primates. The evidence taken as a whole indicates that nonhuman primates are and will remain an indispensable resource for evaluating the efficacy and safety of novel therapeutic strategies targeting clinically important metabolic diseases, including dyslipidemia and atherosclerosis, type 2 diabetes, hepatic steatosis, steatohepatitis, and hepatic fibrosis, and potentially the cognitive decline and dementia associated with metabolic dysfunction, prior to taking these therapies into clinical trials in humans. PMID- 29216344 TI - Prostate cancer: updates on current strategies for screening, diagnosis and clinical implications of treatment modalities. AB - Prostate cancer is the most common cancer in men by way of diagnosis and a leading cause of cancer-related deaths. Early detection and intervention remains key to its optimum clinical management. This review provides the most updated information on the recent methods of prostate cancer screening, imaging and treatment modalities. Wherever possible, clinical trial data has been supplemented to provide a comprehensive overview of current prostate cancer research and development. Considering the recent success of immunotherapy in prostate cancer, we discuss cell, DNA and viruses based, as well as combinatorial immunotherapeutic strategies in detail. Furthermore, the potential of nanotechnology is increasingly being realized, especially in prostate cancer research, and we provide an overview of nanotechnology-based strategies, with special emphasis on nanotheranostics and multifunctional nanoconstructs. Understanding these recent developments is critical to the design of future therapeutic strategies to counter prostate cancer. PMID- 29216345 TI - Effect of Influenza Vaccination Against Postoperative Pneumonia and Mortality for Geriatric Patients Receiving Major Surgery: A Nationwide Matched Study. AB - Background: Limited information is available on the association between influenza vaccination and postoperative outcomes. Methods: Using Taiwan's National Health Insurance Research Database reimbursement claims data from 2008-2013, we conducted a matched cohort study of 16903 patients aged >66 years who received influenza vaccinations and later underwent major surgery. Using a propensity score matching procedure adjusted for sociodemographic characteristics, medical condition, surgery type, and anesthesia type, 16903 controls who underwent surgery but were not vaccinated were selected. Logistic regressions were used to calculate odds ratios (ORs) with 95% confidence intervals (CIs) for postoperative pneumonia and in-hospital mortality associated with influenza vaccination. Results: Patients who received preoperative influenza vaccination had a lower risk of postoperative pneumonia (OR, 0.60; 95% CI, .56-.64) and in-hospital mortality (OR, 0.46; 95% CI, .39-.56), compared with unvaccinated patients, in both sexes and every age group. Vaccinated patients who underwent surgery also had a decreased risk of postoperative intensive care unit admission (OR, 0.56; 95% CI, .53-.60), shorter hospital stays (P < .0001), and lower medical expenditures (P < .0001) than nonvaccinated controls. Conclusions: Vaccinated geriatric patients who underwent surgery had lower risks of pneumonia and in hospital mortality, compared with unvaccinated patients who underwent similar major surgeries. Further studies are needed to explain how preoperative influenza vaccination improves perioperative outcomes. PMID- 29216343 TI - Nonhuman Primate Models of Respiratory Disease: Past, Present, and Future. AB - The respiratory system consists of an integrated network of organs and structures that primarily function for gas exchange. In mammals, oxygen and carbon dioxide are transmitted through a complex respiratory tract, consisting of the nasal passages, pharynx, larynx, and lung. Exposure to ambient air throughout the lifespan imposes vulnerability of the respiratory system to environmental challenges that can contribute toward development of disease. The importance of the respiratory system to human health is supported by statistics from the Centers for Disease Control and Prevention; in 2015, chronic lower respiratory diseases were the third leading cause of death in the United States. In light of the significant mortality associated with respiratory conditions that afflict all ages of the human population, this review will focus on basic and preclinical research conducted in nonhuman primate models of respiratory disease. In comparison with other laboratory animals, the nonhuman primate lung most closely resembles the human lung in structure, physiology, and mucosal immune mechanisms. Studies defining the influence of inhaled microbes, pollutants, or allergens on the nonhuman primate lung have provided insight on disease pathogenesis, with the potential for elucidation of molecular targets leading to new treatment modalities. Vaccine trials in nonhuman primates have been crucial for confirmation of safety and protective efficacy against infectious diseases of the lung in a laboratory animal model that recapitulates pathology observed in humans. In looking to the future, nonhuman primate models of respiratory diseases will continue to be instrumental for translating biomedical research for improvement of human health. PMID- 29216346 TI - Darunavir/ritonavir monotherapy at a low dose (600/100 mg/day) in HIV-1-infected individuals with suppressed HIV viraemia. AB - Background: Darunavir/ritonavir is a potent PI with a high genetic barrier and pharmacological robustness favourably investigated as monotherapy. Whether darunavir could be dose reduced in the context of monotherapy deserves investigation. Methods: Patients with HIV suppressed viraemia (plasma viral load <50 copies/mL for 12 months) under ART who had switched to darunavir/ritonavir monotherapy at 600/100 mg/day between 2013 and 2015 were included in this observational 48 week single-centre study. The primary outcome was the proportion of patients with virological success (defined as plasma viral load <50 copies/mL) at week 24. Secondary outcomes included treatment strategy success and resistance. Results: Thirty-one patients were included with the following baseline characteristics [median (IQR)]: age 52 years (47-57), CD4+ 649 cells/mm3 (463-813), ART duration 16.3 years (9.2-22.3), nadir CD4+ 195 cells/mm3 (144-261) and duration of HIV suppression 7.8 years (4.8-9.7). Prior to switch, ART consisted of PI monotherapy for 28 of 31 patients [darunavir/ritonavir 800/100 mg/day (n = 26), lopinavir/ritonavir (n = 1) and atazanavir/ritonavir (n = 1)] and a triple drug regimen for 3 of 31 patients. Within the 48 weeks of follow-up, no virological failure occurred and two patients discontinued 600/100 mg of darunavir/ritonavir due to side effects at week 16 and 40, leading to a virological suppression rate of 100% (95% CI = 89-100) at weeks 24 and 48. Strategy success rates were 96.8% (95% CI = 83.3-99.9) at week 24 and 93.5% (95% CI = 78.6-99.2) at week 48. Median (IQR) Ctrough values of 800/100 mg of darunavir/ritonavir and 600/100 mg of darunavir/ritonavir were 1537 ng/mL (1286 1724) and 1255 ng/mL (873-2161), respectively. Conclusions: A lower dose of darunavir/ritonavir used as monotherapy (600/100 mg/day) was highly effective in virologically suppressed HIV-infected patients. Further studies are needed to confirm these data. PMID- 29216348 TI - MIC-based dose adjustment: facts and fables. AB - Over recent decades, several publications have described optimization procedures for antibiotic therapy in the individual patient based on antimicrobial MIC values. Most methods include therapeutic drug monitoring and use a single MIC determination plus the relevant pharmacokinetics/pharmacodynamics to adjust the dose to optimize antimicrobial drug exposure and antibacterial effects. However, the use of an MIC obtained by a single MIC determination is inappropriate. First, routine clinical laboratories cannot determine MICs with sufficient accuracy to guide dosage owing to the inherent assay variation in the MIC test. Second, the variation in any MIC determination, whatever method is used, must be accounted for. If dose adjustments are made based on therapeutic drug monitoring and include MIC determinations, MIC variation must be considered to prevent potential underdosing of patients. We present the problems and some approaches that could be used in clinical practice. PMID- 29216347 TI - Effect of Staphylococcus aureus Tet38 native efflux pump on in vivo response to tetracycline in a murine subcutaneous abscess model. AB - Objectives: Staphylococcus aureus native efflux pump Tet38 confers resistance to tetracycline when overexpressed. tet38 expression is selectively upregulated in infection sites. This study evaluated the effect of Tet38 on tetracycline response in a murine subcutaneous abscess model. Methods: S. aureus MW2 and its tet38 mutant were injected subcutaneously on the opposite flanks of each mouse. The infected mice were treated with tetracycline (10 mg/kg) or PBS (control) intraperitoneally every 12 h. The efficacy of tetracycline against S. aureus was measured by the relative change in viable bacteria in the abscesses 24 h after infection compared with the initial inoculum. Plasmid-based tet38-complemented strains were created and used to infect the mice followed by tetracycline or PBS treatment. Results: The increased bacterial loads of S. aureus MW2 and its tet38 mutant in the abscess after 24 h were similar. Tetracycline produced significant decreases of both MW2 and the tet38 mutant compared with control. Although the tetracycline MICs for MW2 and the tet38 mutant did not differ in vitro, the antibacterial effect of tetracycline was significantly 2-fold greater in the tet38 mutant compared with the MW2 parental strain in vivo with a decrease of 0.67 +/- 0.21 and 0.35 +/- 0.19 log10 cfu/abscess, respectively (P < 0.05). The increased tetracycline activity in the tet38 mutant was complemented by plasmid encoded tet38. Conclusions: This study demonstrated that selective increased expression of tet38 in an abscess can affect tetracycline efficacy against S. aureus in vivo, highlighting an effect of native efflux pumps on response to therapy not reflected by testing in vitro. PMID- 29216349 TI - Developing a Standard Set of Patient-Centred Outcomes for Inflammatory Bowel Disease-an International, Cross-disciplinary Consensus. AB - Background and Aims: Success in delivering value-based healthcare involves measuring outcomes that matter most to patients. Our aim was to develop a minimum Standard Set of patient-centred outcome measures for inflammatory bowel disease [IBD], for use in different healthcare settings. Methods: An international working group [n = 25] representing patients, patient associations, gastroenterologists, surgeons, specialist nurses, IBD registries and patient reported outcome measure [PROM] methodologists participated in a series of teleconferences incorporating a modified Delphi process. Systematic review of existing literature, registry data, patient focus groups and open review periods were used to reach consensus on a minimum set of standard outcome measures and risk adjustment variables. Similar methodology has been used in 21 other disease areas [www.ichom.org]. Results: A minimum Standard Set of outcomes was developed for patients [aged >=16] with IBD. Outcome domains included survival and disease control [survival, disease activity/remission, colorectal cancer, anaemia], disutility of care [treatment-related complications], healthcare utilization [IBD related admissions, emergency room visits] and patient-reported outcomes [including quality of life, nutritional status and impact of fistulae] measured at baseline and at 6 or 12 month intervals. A single PROM [IBD-Control questionnaire] was recommended in the Standard Set and minimum risk adjustment data collected at baseline and annually were included: demographics, basic clinical information and treatment factors. Conclusions: A Standard Set of outcome measures for IBD has been developed based on evidence, patient input and specialist consensus. It provides an international template for meaningful, comparable and easy-to-interpret measures as a step towards achieving value-based healthcare in IBD. PMID- 29216350 TI - Italian nationwide survey on Pseudomonas aeruginosa from invasive infections: activity of ceftolozane/tazobactam and comparators, and molecular epidemiology of carbapenemase producers. AB - Objectives: Pseudomonas aeruginosa is a major cause of severe healthcare associated infections and often shows MDR phenotypes. Ceftolozane/tazobactam is a new cephalosporin/beta-lactamase inhibitor combination with potent activity against P. aeruginosa. This survey was carried out to evaluate the susceptibility of P. aeruginosa, circulating in Italy, to ceftolozane/tazobactam and comparators and to investigate the molecular epidemiology of carbapenemase-producing strains. Methods: Consecutive non-replicate P. aeruginosa clinical isolates (935) from bloodstream infections and lower respiratory tract infections were collected from 20 centres distributed across Italy from September 2013 to November 2014. Antimicrobial susceptibility testing was performed by broth microdilution and results were interpreted according to the EUCAST breakpoints. Isolates resistant to ceftolozane/tazobactam were investigated for carbapenemase genes by PCR, and for carbapenemase activity by spectrophotometric assay. WGS using an Illumina platform was performed on carbapenemase-producing isolates. Results: Ceftolozane/tazobactam was the most active molecule, retaining activity against 90.9% of P. aeruginosa isolates, followed by amikacin (88.0% susceptibility) and colistin (84.7% susceptibility). Overall, 48 isolates (5.1%) were positive for carbapenemase genes, including blaVIM (n = 32), blaIMP (n = 12) and blaGES-5 (n = 4), while the remaining ceftolozane/tazobactam-resistant isolates tested negative for carbapenemase production. Carbapenemase producers belonged to 10 different STs, with ST175 (n = 12) and ST621 (n = 11) being the most common lineages. Genome analysis revealed different trajectories of spread for the different carbapenemase genes. Conclusions: Ceftolozane/tazobactam exhibited potent in vitro activity against P. aeruginosa causing invasive infections in Italy. Carbapenemase production was the most common mechanism of resistance to ceftolozane/tazobactam. PMID- 29216351 TI - beta1-Adrenoceptor in the Central Amygdala Is Required for Unconditioned Stimulus Induced Drug Memory Reconsolidation. AB - Background: Drug memories become labile and reconsolidated after retrieval by presentation of environmental cues (conditioned stimulus) or drugs (unconditioned stimulus). Whether conditioned stimulus and unconditioned stimulus retrieval trigger different memory reconsolidation processes is not clear. Methods: Protein synthesis inhibitor or beta-adrenergic receptor (beta-AR) antagonist was systemically administrated or intra-central amygdala infused immediately after cocaine reexposure in cocaine-conditioned place preference or self-administration mice models. beta-ARs were selectively knocked out in the central amygdala to further confirm the role of beta-adrenergic receptor in cocaine reexposure induced memory reconsolidation of cocaine-conditioned place preference. Results: Cocaine reexposure triggered de novo protein synthesis dependent memory reconsolidation of cocaine-conditioned place preference. Cocaine-priming-induced reinstatement was also impaired with post cocaine retrieval manipulation, in contrast to the relapse behavior with post context retrieval manipulation. Cocaine retrieval, but not context retrieval, induced central amygdala activation. Protein synthesis inhibitor or beta1-adrenergic receptor antagonist infused in the central amygdala after cocaine retrieval, but not context retrieval, inhibited memory reconsolidation and reinstatement. beta1-adrenergic receptor knockout in the central amygdala suppressed cocaine retrieval-triggered memory reconsolidation and reinstatement of cocaine conditioned place preference. beta1-adrenergic receptor antagonism after cocaine retrieval also impaired reconsolidation and reinstatement of cocaine self-administration. Conclusions: Cocaine reward memory triggered by unconditioned stimulus retrieval is distinct from conditioned stimulus retrieval. Unconditioned stimulus retrieval induced reconsolidation of cocaine reward memory depends on beta1-adrenergic signaling in the central amygdala. Post unconditioned stimulus retrieval manipulation can prevent drug memory reconsolidation and relapse to cocaine, thus providing a potential strategy for the prevention of substance addiction. Significance Statement: It is well known that drug memories become labile and reconsolidated upon retrieval by the presentation of conditioned stimulus (CS) or unconditioned stimulus (US). Whether CS and US retrieval trigger different memory reconsolidation processes is unknown. In this study, we found that US retrieval, but not CS retrieval, triggered memory reconsolidation of cocaine-conditioned place preference dependent on beta1-AR and de novo protein synthesis in the central amygdala. Furthermore, cocaine priming-induced reinstatement was impaired with post US retrieval manipulation in contrast to the relapse behavior with post CS retrieval manipulation. In cocaine self-administration, beta1-AR antagonism after US retrieval also impaired reconsolidation and reinstatement. Our study indicates that reconsolidation of cocaine reward memory triggered by US retrieval is distinct from CS retrieval. US retrieval induced reconsolidation of cocaine reward memory depends on beta1-adrenergic signaling in the central amygdala. PMID- 29216352 TI - Identification of Estrogen-Related Receptor alpha Agonists in the Tox21 Compound Library. AB - The estrogen-related receptor alpha (ERRalpha) is an orphan nuclear receptor (NR) that plays a role in energy homeostasis and controls mitochondrial oxidative respiration. Increased expression of ERRalpha in certain ovarian, breast, and colon cancers has a negative prognosis, indicating an important role for ERRalpha in cancer progression. An interaction between ERRalpha and peroxisome proliferator-activated receptor gamma coactivator 1alpha (PGC-1alpha) has also recently been shown to regulate an enzyme in the beta-oxidation of free fatty acids, thereby suggesting that ERRalpha plays an important role in obesity and type 2 diabetes. Therefore, it would be prudent to identify compounds that can act as activators of ERRalpha. In this study, we screened ~10,000 (8311 unique) compounds, known as the Tox21 10K collection, to identify agonists of ERRalpha. We performed this screen using two stably transfected HEK 293 cell lines, one with the ERRalpha-reporter alone and the other with both ERRalpha-reporter and PGC-1alpha expression vectors. After the primary screening, we identified more than five agonist clusters based on compound structural similarity analysis (e.g., statins). By examining the activities of the confirmed ERRalpha modulators in other Tox21 NR assays, eliminating those with promiscuous NR activity, and performing follow-up assays (e.g., small interfering RNA knockdown), we identified compounds that might act as endocrine disrupters through effects on ERRalpha signaling. To our knowledge, this study is the first comprehensive analysis in discovering potential endocrine disrupters that affect the ERRalpha signaling pathway. PMID- 29216353 TI - Effects of Sex Hormone Treatment on the Metabolic Syndrome in Transgender Individuals: Focus on Metabolic Cytokines. AB - Context: Hormonal treatment in transgender persons affects many components of the metabolic syndrome (MS). Objective: To determine the role of direct hormonal effects, changes in metabolic cytokines, and body composition on metabolic outcomes. Design, Setting, and Participants: 24 transwomen and 45 transmen from the European Network for the Investigation of Gender Incongruence were investigated at baseline and after 12 months of hormonal therapy. Outcome Measures: Best predictors for changes in components of MS, applying least absolute shrinkage and selection operator regression. Results: In transwomen, a decrease in triglyceride levels was best explained by a decrease in fat mass and an increase in fibroblast growth factor 21 (FGF-21); the decrease in total and low-density lipoprotein cholesterol levels was principally due to a decrease in resistin. A decrease in high-density lipoprotein cholesterol depended on an inverse association with fat mass. In contrast, in transmen, an increase in low density lipoprotein cholesterol was predicted by a decrease in FGF-21 and an increase in the waist/hip ratio; a decrease in the high-density lipoprotein/total cholesterol ratio depended on a decline in adiponectin levels. In transwomen, worsened insulin resistance and increased early insulin response seemed to be due to a direct treatment effect; however, improvements in hepatic insulin sensitivity in transmen were best predicted by a positive association with chemerin, resistin, and FGF-21 and were inversely related to changes in the waist/hip ratio and leptin and adipocyte fatty acid-binding protein levels. Conclusions: The effects of hormonal therapy on different components of the MS are sex-specific and involve a complex interplay of direct hormonal effects, changes in body composition, and metabolic cytokine secretion. PMID- 29216354 TI - High Prevalence of Rare Monogenic Forms of Obesity in Obese Guadeloupean Afro Caribbean Children. AB - Context: The population of Guadeloupe Island exhibits a high prevalence of obesity. Objective: We aimed to investigate whether rare genetic mutations in genes involved in monogenic obesity (or diabetes) might be causal in this population of Afro-Caribbean ancestry. Design and Setting: This was a secondary analysis of a study on obesity conducted in schoolchildren from Guadeloupe in 2013 that aimed to assess changes in children's profiles after a lifestyle intervention program. Through next-generation sequencing, we sequenced coding regions of 59 genes involved in monogenic obesity or diabetes in participants from this study. Participants and Interventions: A total of 25 obese schoolchildren from Guadeloupe were screened for rare mutations (nonsynonymous, splice-site, or insertion/deletion) in 59 genes. Main Outcome Measures: Correlation between phenotypes and mutations of interest. Results: We detected five rare heterozygous mutations in five different children with obesity: MC4R p.Ile301Thr and SIM1 p.Val326Thrfs*43 mutations that were pathogenic; SIM1 p.Ser343Pro and SH2B1 p.Pro90His mutations that were likely pathogenic; and NTRK2 p.Leu140Phe that was of uncertain significance. In parallel, we identified seven carriers of mutations in ABCC8 (p.Lys1521Asn and p.Ala625Val) or KCNJ11 (p.Val13Met and p.Val151Met) that were of uncertain significance. Conclusions: We were able to detect pathogenic or likely pathogenic mutations linked to severe obesity in >15% of this population, which is much higher than what we observed in Europeans (~5%). PMID- 29216355 TI - Prevalence of and Risk Factors for Anal Human Papillomavirus Infection in a Sample of Young, Predominantly Black Men Who Have Sex With Men, Houston, Texas. AB - Background: Young men who have sex with men (MSM) are at increased risk for human papillomavirus (HPV)-associated disease as a result of HPV infection. Our objective was to characterize the prevalence of high-risk anal HPV infection and factors associated with prevalence in a group of young, primarily black MSM in Houston, Texas. Methods: MSM aged 18-29 years were recruited using a respondent driven sampling method to study HIV and sexually transmitted disease transmission and risk. All engaged in peer-recruitment chains and self-collected anal exfoliated cells. Prevalence ratios assessed factors associated with high-risk HPV and HPV types in the 9-valent vaccine. Results: Black race was reported by 87% of men. Slightly over one half (53%) were human immunodeficiency virus (HIV) positive. Approximately 75% of men had at least 1 high-risk HPV type, and 39% of HIV-positive men harbored HPV-16. Analysis that controlled for potential confounders revealed that only HIV infection was associated with high-risk HPV infection. Conclusion: Black MSM would benefit from increased HPV vaccination efforts, owing to high rates of HPV infection, increased HPV disease, and low vaccination series completion rates in this population. PMID- 29216356 TI - Improved EGFR mutation detection using combined exosomal RNA and circulating tumor DNA in NSCLC patient plasma. AB - Background: A major limitation of circulating tumor DNA (ctDNA) for somatic mutation detection has been the low level of ctDNA found in a subset of cancer patients. We investigated whether using a combined isolation of exosomal RNA (exoRNA) and cell-free DNA (cfDNA) could improve blood-based liquid biopsy for EGFR mutation detection in non-small-cell lung cancer (NSCLC) patients. Patients and methods: Matched pretreatment tumor and plasma were collected from 84 patients enrolled in TIGER-X (NCT01526928), a phase 1/2 study of rociletinib in mutant EGFR NSCLC patients. The combined isolated exoRNA and cfDNA (exoNA) was analyzed blinded for mutations using a targeted next-generation sequencing panel (EXO1000) and compared with existing data from the same samples using analysis of ctDNA by BEAMing. Results: For exoNA, the sensitivity was 98% for detection of activating EGFR mutations and 90% for EGFR T790M. The corresponding sensitivities for ctDNA by BEAMing were 82% for activating mutations and 84% for T790M. In a subgroup of patients with intrathoracic metastatic disease (M0/M1a; n = 21), the sensitivity increased from 26% to 74% for activating mutations (P = 0.003) and from 19% to 31% for T790M (P = 0.5) when using exoNA for detection. Conclusions: Combining exoRNA and ctDNA increased the sensitivity for EGFR mutation detection in plasma, with the largest improvement seen in the subgroup of M0/M1a disease patients known to have low levels of ctDNA and poses challenges for mutation detection on ctDNA alone. Clinical Trials: NCT01526928. PMID- 29216357 TI - Parental History of Type 2 Diabetes Abrogates Ethnic Disparities in Key Glucoregulatory Indices. AB - Context: There are ethnic differences in glucoregulation and prevalence of type 2 diabetes, but studies on the role of genetics in modifying ethnic effects in normoglycemic African-Americans and Caucasians are limited. Therefore, we investigated glucoregulation in normoglycemic African-Americans and Caucasians with or without parental diabetes. Design: Fifty subjects with parental diabetes (from the Pathobiology of Prediabetes in a Biracial Cohort Study) and 50 subjects without parental diabetes were matched in age, sex, ethnicity, and body mass index (BMI). Subjects underwent a 75-g oral glucose tolerance test (OGTT), physical examination, anthropometry, biochemistries, indirect calorimetry and assessment of body composition, insulin sensitivity by euglycemic clamp (Si clamp), and beta-cell function by Disposition index. Results: The mean age was 40.5 +/- 11.6 years, BMI 28.7 +/- 5.9 kg/m2, fasting plasma glucose 90.2 +/- 5.9 mg/dL, and 2-hour postglucose 120.0 +/- 26.8 mg/dL. Offspring with parental diabetes showed higher glycemic excursion during OGTT-area under the curve glucose (16,005.6 +/- 2324.7 vs 14,973.8 +/- 1819.9, P < 0.005), lower Si-clamp (0.132 +/- 0.068 vs 0.162 +/- 0.081 umol/kg fat-free mass/min/pmol/L, P < 0.05), and lower Disposition index (8.74 +/- 5.72 vs 11.83 +/- 7.49, P < 0.05). Compared with lean subjects without parental diabetes, beta cell function was lower by ~30% in lean subjects with parental diabetes, ~40% in obese subjects without parental diabetes, and ~50% in obese individuals with parental diabetes (P < 0.0001). African-Americans without parental diabetes had ~40% lower insulin sensitivity (P < 0.001), twofold higher acute insulin secretion (P < 0.001), but ~30% lower Disposition index (P < 0.01) compared with Caucasians without parental diabetes. Remarkably, there were no significant differences by ethnicity in these glucoregulatory measures among subjects with parental diabetes. Conclusion: Offspring with parental diabetes harbor substantial impairments in glucoregulation compared with individuals without parental diabetes. Ethnic disparities in glucoregulation were abrogated by parental diabetes. PMID- 29216358 TI - Rapid Protective Effects of Early BCG on Neonatal Mortality Among Low Birth Weight Boys: Observations From Randomized Trials. AB - Background: Three randomized trials (RCTs) in low-weight (<2.5 kg) infants have shown that Bacille Calmette-Guerin (BCG) vaccine nonspecifically reduces all cause mortality in the neonatal period. Methods: Using data from 3 RCTs of early BCG (n = 6583) we examined potential sex differences in the timing of the mortality reduction in the neonatal period, presenting metaestimates of the main outcome mortality rate ratios (MRR) for BCG-vaccinated and controls. Results: Among controls, boys had a particularly high mortality during the first week after randomization: male-female MRR 2.71 (95% CI, 1.70-4.50). During the first week, BCG had a marked beneficial effect for boys, reducing mortality 3-fold (MRR [BCG/no BCG] = 0.36 [0.20-0.67]). In weeks 2-4 the effect waned for boys (MRR = 0.91 [0.51-1.69]). In girls, the pattern was opposite with a limited effect in the first week (MRR = 0.85 [0.46-1.54]), but a significant reduction in weeks 2-4 (MRR = 0.56 [0.31-1.00]). This was consistent in all 3 trials. Verbal autopsies linked early benefit to fewer sepsis-related deaths among BCG-vaccinated boys. Discussion: The marked reduction in mortality in the days after BCG vaccination in boys emphasizes the importance of providing BCG soon after birth. Trial registration numbers: ClinicalTrials.gov (NCT00146302) and ClinicalTrials.gov (NCT00625482). PMID- 29216359 TI - Fungaemia caused by rare yeasts: incidence, clinical characteristics and outcome over 10 years. PMID- 29216360 TI - Comprehensive Genome-Wide Classification Reveals That Many Plant-Specific Transcription Factors Evolved in Streptophyte Algae. AB - Plant genomes encode many lineage-specific, unique transcription factors. Expansion of such gene families has been previously found to coincide with the evolution of morphological complexity, although comparative analyses have been hampered by severe sampling bias. Here, we make use of the recently increased availability of plant genomes. We have updated and expanded previous rule sets for domain-based classification of transcription associated proteins (TAPs), comprising transcription factors and transcriptional regulators. The genome-wide annotation of these protein families has been analyzed and made available via the novel TAPscan web interface. We find that many TAP families previously thought to be specific for land plants actually evolved in streptophyte (charophyte) algae; 26 out of 36 TAP family gains are inferred to have occurred in the common ancestor of the Streptophyta (uniting the land plants-Embryophyta-with their closest algal relatives). In contrast, expansions of TAP families were found to occur throughout streptophyte evolution. 17 out of 76 expansion events were found to be common to all land plants and thus probably evolved concomitant with the water-to-land-transition. PMID- 29216361 TI - Gonadotropin-Releasing Hormone Receptor Antagonist Mono- and Combination Therapy With Estradiol/Norethindrone Acetate Add-Back: Pharmacodynamics and Safety of OBE2109. AB - Context: OBE2109 is a potent, oral gonadotropin-releasing hormone receptor antagonist being developed for the treatment of sex-hormone-dependent diseases in women. Objective: We assessed the pharmacodynamics and safety of OBE2109 alone and combined with estradiol (E2)/norethindrone acetate (NETA) add-back therapy on E2 levels and vaginal bleeding. Design, Setting, and Participants: This was a single-center, open-label, randomized, parallel-group study in 76 healthy premenopausal women. Interventions: Women were randomly assigned to take the following doses (in milligrams) once daily for 6 weeks: OBE2109, 100 or 200; or OBE2109/E2/NETA, 100/0.5/0.1, or 100/1.0/0.5, or 200/1.0/0.5. Main Outcome Measures: E2 concentrations, bleeding pattern, exploratory bone metabolism biomarkers, and adverse events. Results: OBE2109 100 mg and 200 mg alone reduced E2 levels to reach median levels of 19.5 and 3.2 pg/mL, respectively, at week 4. Median E2 levels after combined OBE2109/add-back therapy ranged between 25 and 40 pg/mL. OBE2109 100 mg or 200 mg alone induced amenorrhea. By day 15, >85% of women had no vaginal bleeding during the last 4 weeks of treatment. Add-back therapy partially impaired bleeding control: The highest amenorrhea rate (53%) was observed with OBE2109 100 mg/1.0 mg/0.5 mg. The addition of E2/NETA, particularly at 1 mg/0.5 mg, mitigated the increase of two bone markers induced by OBE2109 200 mg. Conclusion: OBE2109 promptly lowered E2 levels. Add-back therapy may be required to prevent adverse effects on bone in women treated with the 200-mg dose (at 100 mg in some women). These results provide a basis for OBE2109 regimen selection to treat sex-hormone-dependent diseases. PMID- 29216362 TI - A Herpes Simplex Virus (HSV)-2 Single-Cycle Candidate Vaccine Deleted in Glycoprotein D Protects Male Mice From Lethal Skin Challenge With Clinical Isolates of HSV-1 and HSV-2. AB - Herpes simplex virus (HSV) infections manifest as recurrent oral or genital mucosal lesions, meningoencephalitis, corneal blindness, and perinatal disease. Subunit vaccines have advanced into the clinic without success. None were tested preclinically in male mice. We compared a single-cycle candidate vaccine deleted in HSV-2 glycoprotein D (DeltagD-2) and subunit gD-2 or gD-1 protein vaccines in a male murine skin model. The DeltagD-2 provided complete protection against 10 times the lethal dose of HSV-1 or HSV-2 clinical isolates, and no latent virus was detected, whereas gD-1- and gD-2-adjuvanted proteins provided little or no protection. Protection correlated with Fc receptor activating but not neutralizing antibody titers. PMID- 29216364 TI - Energetic funnel facilitates facilitated diffusion. AB - Transcription factors (TFs) are able to associate to their binding sites on DNA faster than the physical limit posed by diffusion. Such high association rates can be achieved by alternating between three-dimensional diffusion and one dimensional sliding along the DNA chain, a mechanism-dubbed facilitated diffusion. By studying a collection of TF binding sites of Escherichia coli from the RegulonDB database and of Bacillus subtilis from DBTBS, we reveal a funnel in the binding energy landscape around the target sequences. We show that such a funnel is linked to the presence of gradients of AT in the base composition of the DNA region around the binding sites. An extensive computational study of the stochastic sliding process along the energetic landscapes obtained from the database shows that the funnel can significantly enhance the probability of TFs to find their target sequences when sliding in their proximity. We demonstrate that this enhancement leads to a speed-up of the association process. PMID- 29216363 TI - Early Cutaneous Leishmaniasis Patients Infected With Leishmania braziliensis Express Increased Inflammatory Responses After Antimony Therapy. AB - Background: Early cutaneous leishmaniasis (ECL) is characterized by a nonulcerated papular lesion and illness duration less than 30 days. Approximately 4 weeks later, the cutaneous leishmaniasis (CL) ulcers appear. We were surprised to find that failure after antimony therapy (Sb5) is higher in ECL than CL. We hypothesize that the inflammatory response in ECL patients may increase during Sb5 therapy, which leads to treatment failure. Methods: A cohort of 44 ECL patients infected by Leishmania braziliensis was established to evaluate the response to Sb5 and to compare immunologic responses in ECL patients with CL and healthy subjects. Results: A hierarchical clustering based on cytokine levels showed a weak positive correlation between proinflammatory cytokine levels and those patients that failed Sb5 treatment. Although Sb5 therapy decreased interferon-gamma and tumor necrosis factor levels in CL patients, we were surprised to find that an increase in these cytokines was observed in ECL patients. Moreover, interleukin (IL)-10 was less able to down-modulate immune responses in ECL. Conclusions: The enhanced production of proinflammatory cytokines, due in part to the decreased ability of IL-10 to down-modulate immune response during therapy in ECL, promotes the development and persistence of leishmania ulcer despite antimony therapy. PMID- 29216366 TI - LncRNA lnc-RI regulates homologous recombination repair of DNA double-strand breaks by stabilizing RAD51 mRNA as a competitive endogenous RNA. AB - DNA double-strand break (DSB) repair is critical for the maintenance of genome stability. The current models of the mechanism of DSB repair are based on studies of DNA repair proteins. Long non-coding RNAs (lncRNAs) have recently emerged as new regulatory molecules, with diverse functions in biological processes. In the present study, we found that expression of the ionizing radiation-inducible lncRNA, lnc-RI, was correlate negatively with micronucleus frequencies in human peripheral blood lymphocytes. Knockdown of lnc-RI significantly increased spontaneous DSBs levels, which was confirmed to be associated with the decreased efficiency of homologous recombination (HR) repair of DSBs. The expression of RAD51, a key recombinase in the HR pathway, decreased sharply in lnc-RI-depressed cells. In a further investigation, we demonstrated that miR-193a-3p could bind with both lnc-RI and RAD51 mRNA and depressed the expression of lnc-RI and RAD51 mRNA. Lnc-RI acted as a competitive endogenous RNA (ceRNA) to stabilize RAD51 mRNA via competitive binding with miR-193a-3p and release of its inhibition of RAD51 expression. To our knowledge, this is the first study to demonstrate the role of lnc-RI in regulating HR repair of DSBs. The feedback loop established in the current study suggests that lnc-RI is critical for the maintenance of genomic stability. PMID- 29216367 TI - Age and Sex in the Zika Pandemic Era. PMID- 29216368 TI - Ross River Virus and the Necessity of Multiscale, Eco-epidemiological Analyses. AB - Background: Zoonotic vector-borne disease prevalence is affected by vector, human, and reservoir host factors, which are influenced by habitat and climate; these 5 components interact on microhabitat-to-landscape scales but are often analyzed at a single spatial scale. Methods: We present an information theoretic, multiscale, multiple regression analysis of the ecological drivers of Ross River virus. We analyze the spatial pattern of 20 years of Ross River virus infections from South Australia (1992-2012; n = 5261), using variables across these 5 components of disease ecology at 3 spatial scales. Results: We found that covariate importance depended on the spatial scale of the analysis; some biotic variables were more important at fine scales and some abiotic variables were more important at coarser spatial scales. The urban score of an area was most predictive of infections, and mosquito variables did not improve the explanatory power of these models. Conclusions: Through this multiscale analysis, we identified novel drivers of the spatial distribution of disease and recommend public health interventions. Our results underline that single-scale analyses may paint an incomplete picture of disease drivers, potentially creating a major flaw in epidemiological analyses. Multiscale, ecological analyses are needed to better understand infectious disease transmission. PMID- 29216365 TI - Tyrosyl-DNA phosphodiesterases: rescuing the genome from the risks of relaxation. AB - Tyrosyl-DNA Phosphodiesterases 1 (TDP1) and 2 (TDP2) are eukaryotic enzymes that clean-up after aberrant topoisomerase activity. While TDP1 hydrolyzes phosphotyrosyl peptides emanating from trapped topoisomerase I (Top I) from the 3' DNA ends, topoisomerase 2 (Top II)-induced 5'-phosphotyrosyl residues are processed by TDP2. Even though the canonical functions of TDP1 and TDP2 are complementary, they exhibit little structural or sequence similarity. Homozygous mutations in genes encoding these enzymes lead to the development of severe neurodegenerative conditions due to the accumulation of transcription-dependent topoisomerase cleavage complexes underscoring the biological significance of these enzymes in the repair of topoisomerase-DNA lesions in the nervous system. TDP1 can promiscuously process several blocked 3' ends generated by DNA damaging agents and nucleoside analogs in addition to hydrolyzing 3'-phosphotyrosyl residues. In addition, deficiency of these enzymes causes hypersensitivity to anti-tumor topoisomerase poisons. Thus, TDP1 and TDP2 are promising therapeutic targets and their inhibitors are expected to significantly synergize the effects of current anti-tumor therapies including topoisomerase poisons and other DNA damaging agents. This review covers the structural aspects, biology and regulation of these enzymes, along with ongoing developments in the process of discovering safe and effective TDP inhibitors. PMID- 29216369 TI - The Pentatricopeptide Repeat Protein MEF31 is Required for Editing at Site 581 of the Mitochondrial tatC Transcript and Indirectly Influences Editing at Site 586 of the Same Transcript. AB - Pentatricopeptide repeat (PPR) proteins constitute the largest family of proteins in angiosperms, and most members are predicted to play roles in the maturation of organellar RNAs. Here we describe the novel mitochondrial editing factor 31 (MEF31), an E-PPR protein involved in editing at two close sites in the same transcript encoding subunit C of the twin-arginine translocation (tat) pathway. MEF31 is essential for editing at site tatC-581 and application of the recently proposed amino acid code for RNA recognition by PPR proteins supports the view that MEF31 directly targets this site by recognizing its cis sequence. In contrast, editing at site tatC-586 five nucleotides downstream is only partially affected in plants lacking MEF31, being restored to wild-type levels in complemented plants. Application of the amino acid code and analysis of individual RNA molecules for editing at sites 581 and 586 suggest that MEF31 does not directly target site tatC-586, and only indirectly influences editing at this site. It is likely that editing at site tatC-581 improves recognition of the site tatC-586 cis sequence by a second unknown PPR protein. PMID- 29216370 TI - The Role of Arabidopsis Inositol Polyphosphate Kinase AtIPK2beta in Glucose Suppression of Seed Germination and Seedling Development. AB - Seed germination and subsequent seedling development are critical phases in plants. These processes are regulated by a complex molecular network in which sugar has been reported to play an essential role. However, factors affecting sugar responses remain to be fully elucidated. In this study, we demonstrate that AtIPK2beta, known to participate in the synthesis of myo-inositol 1,2,3,4,5,6 hexakisphosphate (IP6, phytate), affects Arabidopsis responses to glucose during seed germination. The loss-of-function mutant atipk2beta showed increased sensitivity to 6% glucose and paclobutrazol (PAC). Yeast two-hybrid assay showed that AtIPK2beta interacts with sucrose non-fermenting-1-related protein kinase (SnRK1.1), and bimolecular fluorescence complementation (BiFC) and pull-down assay further confirmed this interaction. Moreover, AtIPK2beta was phosphorylated by SnRK1.1 in vitro, and the effect of restoring AtIPK2beta to yeast cells lacking IPK2 (Deltaipk2) was abolished by catalytically active SnRK1.1. Further analysis indicated that IP6 reduces the suppression of seed germination caused by glucose, accompanied by altered expression levels of glucose-/hormone-responsive genes. Collectively, these findings indicate that AtIPK2beta and IP6 are involved in glucose suppression of seed germination and that AtIPK2beta enzyme activity is likely to be regulated by SnRK1.1. PMID- 29216371 TI - Fission yeast Ccq1 is a modulator of telomerase activity. AB - Shelterin, the telomeric protein complex, plays a crucial role in telomere homeostasis. In fission yeast, telomerase is recruited to chromosome ends by the shelterin component Tpz1 and its binding partner Ccq1, where telomerase binds to the 3' overhang to add telomeric repeats. Recruitment is initiated by the interaction of Ccq1 with the telomerase subunit Est1. However, how telomerase is released following elongation remains to be established. Here, we show that Ccq1 also has a role in the suppression of telomere elongation, when coupled with the Clr4 histone H3 methyl-transferase complex and the Clr3 histone deacetylase and nucleosome remodelling complex, SHREC. We have dissected the functions of Ccq1 by establishing a Ccq1-Est1 fusion system, which bypasses the telomerase recruitment step. We demonstrate that Ccq1 forms two distinct complexes for positive and negative telomerase regulation, with Est1 and Clr3 respectively. The negative form of Ccq1 promotes dissociation of Ccq1-telomerase from Tpz1, thereby restricting local telomerase activity. The Clr4 complex also has a negative regulation activity with Ccq1, independently of SHREC. Thus, we propose a model in which Ccq1-Est1 recruits telomerase to mediate telomere extension, whilst elongated telomeric DNA recruits Ccq1 with the chromatin-remodelling complexes, which in turn releases telomerase from the telomere. PMID- 29216372 TI - The C-terminal domain of p53 orchestrates the interplay between non-covalent and covalent poly(ADP-ribosyl)ation of p53 by PARP1. AB - The post-translational modification poly(ADP-ribosyl)ation (PARylation) plays key roles in genome maintenance and transcription. Both non-covalent poly(ADP-ribose) binding and covalent PARylation control protein functions, however, it is unknown how the two modes of modification crosstalk mechanistically. Employing the tumor suppressor p53 as a model substrate, this study provides detailed insights into the interplay between non-covalent and covalent PARylation and unravels its functional significance in the regulation of p53. We reveal that the multifunctional C-terminal domain (CTD) of p53 acts as the central hub in the PARylation-dependent regulation of p53. Specifically, p53 bound to auto-PARylated PARP1 via highly specific non-covalent PAR-CTD interaction, which conveyed target specificity for its covalent PARylation by PARP1. Strikingly, fusing the p53-CTD to a protein that is normally not PARylated, renders this a target for covalent PARylation as well. Functional studies revealed that the p53-PAR interaction had substantial implications on molecular and cellular levels. Thus, PAR significantly influenced the complex p53-DNA binding properties and controlled p53 functions, with major implications on the p53-dependent interactome, transcription, and replication-associated recombination. Remarkably, this mechanism potentially also applies to other PARylation targets, since a bioinformatics analysis revealed that CTD-like regions are highly enriched in the PARylated proteome. PMID- 29216374 TI - Staphylococcus aureus and Pseudomonas aeruginosa Respiratory Tract Coinfection What Can We Learn From Animal Models? PMID- 29216373 TI - Protective Effect of Maternal Influenza Vaccination on Influenza in Their Infants: A Prospective Cohort Study. AB - Background: Infants <6 months of age are too young to receive influenza vaccine, despite being at high risk for severe influenza-related complications. Methods: To examine the effectiveness of maternal influenza vaccination in preventing influenza in their infants, we conducted a prospective cohort study of 3441 infants born at participating hospitals before the 2013-2014 influenza season. At the time of recruitment, their mothers completed a questionnaire about influenza vaccination status for the 2013-2014 season. A follow-up survey was conducted after the end of the 2013-2014 season to collect information regarding influenza diagnosis and hospitalization among infants. Results: During the 2013-2014 influenza season, 71 infants (2%) had influenza diagnosed, and 13 infants (0.4%) were hospitalized with influenza. Maternal influenza vaccination (especially prenatal vaccination) decreased the odds of influenza among infants. The effectiveness of prenatal vaccination was 61% (95% confidence interval, 16%-81%), whereas that of postpartum vaccination was 53% (-28%-83%). Although maternal influenza vaccination was also associated with a decreased odds of influenza related hospitalization among infants, vaccine effectiveness (73%) did not reach statistical significance, owing to the limited number of infants hospitalized because of influenza. Conclusions: The present findings indicated that pregnant women and postpartum women should receive influenza vaccination to protect their infants. PMID- 29216375 TI - Binary control of enzymatic cleavage of DNA origami by structural antideterminants. AB - Controlling DNA nanostructure interaction with protein is essential in developing nanodevices with programmable function, reactivity, and stability for biological and medical applications. Here, we show that the sequence-specific action of restriction endonucleases towards sharp triangular or rectangular DNA origami exhibits a novel, binary 'on/off' behaviour, as canonical recognition sites are either essentially fully reactive, or strongly resistant to enzymatic cutting. Moreover, introduction of structural defects in the sharp triangle can activate an otherwise unreactive site, with a site-to-defect distance of ~50 nm. We argue that site reactivity is dependent upon programmable, mechanical coupling in the two-dimensional DNA origami, with specific structural elements, including DNA nicks and branches proximal to the sites that can function as negative(anti) determinants of reactivity. Empirically modelling the constraints to DNA degrees of freedom associated with each recognition site in the sharp triangle can rationalize the pattern of suppressed reactivity towards nine restriction endonucleases, in substantial agreement with the experimental results. These results provide a basis for a predictive understanding of structure-reactivity correlates of specific DNA nanostructures, which will allow a better understanding of the behaviour of nucleic acids under nanoscale confinement, as well as in the rational design of functional nanodevices based on self-assembling nucleic acids. PMID- 29216376 TI - Differences in Prevalence of Symptomatic Zika Virus Infection, by Age and Sex Puerto Rico, 2016. AB - Background: During the outbreak of Zika virus (ZIKV) disease in Puerto Rico in 2016, nonpregnant women aged 20-39 years were disproportionately identified with ZIKV disease. We used household-based cluster investigations to determine whether this disparity was associated with age- or sex-dependent differences in the rate of ZIKV infection or reported symptoms. Methods: Participation was offered to residents of households within a 100-m radius of the residences of a convenience sample of 19 laboratory-confirmed ZIKV disease cases. Participants answered a questionnaire and provided specimens for diagnostic testing by reverse transcription-polymerase chain reaction (RT-PCR) and enzyme-linked immunosorbent assay (ELISA). Results: Among 367 study participants, 114 (31.1%) were laboratory positive for ZIKV infection, of whom 30% reported a recent illness (defined as self-reported rash or arthralgia) attributable to ZIKV infection. Age and sex were not associated with ZIKV infection. Female sex (adjusted prevalence ratio [aPR], 2.28; 95% confidence interval [CI], 1.40, 3.67), age <40 years (aPR, 2.39; 95% CI, 1.55, 3.70), and asthma (aPR, 1.63; 95% CI, 1.12, 2.37) were independently associated with symptomatic infection. Conclusions: Although neither female sex nor age were associated with an increased prevalence of ZIKV infection, both were associated with symptomatic infection. Further investigation to identify a potential mechanism of age- and sex-dependent differences in reporting symptomatic ZIKV infection is warranted. PMID- 29216377 TI - PeachVar-DB: A Curated Collection of Genetic Variations for the Interactive Analysis of Peach Genome Data. AB - Applying next-generation sequencing (NGS) technologies to species of agricultural interest has the potential to accelerate the understanding and exploration of genetic resources. The storage, availability and maintenance of huge quantities of NGS-generated data remains a major challenge. The PeachVar-DB portal, available at http://hpc-bioinformatics.cineca.it/peach, is an open-source catalog of genetic variants present in peach (Prunus persica L. Batsch) and wild-related species of Prunus genera, annotated from 146 samples publicly released on the Sequence Read Archive (SRA). We designed a user-friendly web-based interface of the database, providing search tools to retrieve single nucleotide polymorphism (SNP) and InDel variants, along with useful statistics and information. PeachVar DB results are linked to the Genome Database for Rosaceae (GDR) and the Phytozome database to allow easy access to other external useful plant-oriented resources. In order to extend the genetic diversity covered by the PeachVar-DB further, and to allow increasingly powerful comparative analysis, we will progressively integrate newly released data. PMID- 29216378 TI - Melonet-DB, a Grand RNA-Seq Gene Expression Atlas in Melon (Cucumis melo L.). AB - Melon (Cucumis melo L.) is an important Cucurbitaceae crop produced worldwide, exhibiting wide genetic variations and comprising both climacteric and non climacteric fruit types. The muskmelon cultivar "'Earl's favorite Harukei-3 (Harukei-3)"' known for its sweetness and rich aroma is used for breeding of high grade muskmelon in Japan. We conducted RNA sequencing (RNA-seq) transcriptome studies in 30 different tissues of the 'Harukei-3' melon. These included root, stems, leaves, flowers, regenerating callus and ovaries, in addition to the flesh and peel sampled at seven stages of fruit development. The expression patterns of 20,752 genes were determined with fragments per kilobase of transcript per million fragments sequenced (FPKM) >1 in at least one tissue. Principal component analysis distinguished 30 melon tissues based on the global gene expression profile and, further, the weighted gene correlation network analysis classified melon genes into 45 distinct coexpression groups. Some coexpression groups exhibited tissue-specific gene expression. Furthermore, we developed and published web application tools designated "'Gene expression map viewer"' and "'Coexpression viewer"' on our website Melonet-DB (http://melonet db.agbi.tsukuba.ac.jp/) to promote functional genomics research in melon. By using both tools, we analyzed melon homologs of tomato fruit ripening regulators such as E8, RIPENING-INHIBITOR (RIN) and NON-RIPENING (NOR). The "'Coexpression viewer"' clearly distinguished fruit ripening-associated melon RIN/NOR/CNR homologs from those expressed in other tissues. In addition, several other MADS box, NAM/ATAF/CUC (NAC) and homeobox transcription factor genes were identified as fruit ripening-associated genes. Our tools provide useful information for research not only on melon but also on other fleshy fruit plants. PMID- 29216379 TI - Endothelial cell differentiation is encompassed by changes in long range interactions between inactive chromatin regions. AB - Endothelial cells (ECs) differentiate from mesodermal progenitors during vasculogenesis. By comparing changes in chromatin interactions between human umbilical vein ECs, embryonic stem cells and mesendoderm cells, we identified regions exhibiting EC-specific compartmentalization and changes in the degree of connectivity within topologically associated domains (TADs). These regions were characterized by EC-specific transcription, binding of lineage-determining transcription factors and cohesin. In addition, we identified 1200 EC-specific long-range interactions (LRIs) between TADs. Most of the LRIs were connected between regions enriched for H3K9me3 involving pericentromeric regions, suggesting their involvement in establishing compartmentalization of heterochromatin during differentiation. Second, we provide evidence that EC specific LRIs correlate with changes in the hierarchy of chromatin aggregation. Despite these rearrangements, the majority of chromatin domains fall within a pre established hierarchy conserved throughout differentiation. Finally, we investigated the effect of hypoxia on chromatin organization. Although hypoxia altered the expression of hundreds of genes, minimal effect on chromatin organization was seen. Nevertheless, 70% of hypoxia-inducible genes situated within a TAD bound by HIF1alpha suggesting that transcriptional responses to hypoxia largely depend on pre-existing chromatin organization. Collectively our results show that large structural rearrangements establish chromatin architecture required for functional endothelium and this architecture remains largely unchanged in response to hypoxia. PMID- 29216381 TI - De novo gene evolution of antifreeze glycoproteins in codfishes revealed by whole genome sequence data. AB - New genes can arise through duplication of a pre-existing gene or de novo from non-coding DNA, providing raw material for evolution of new functions in response to a changing environment. A prime example is the independent evolution of antifreeze glycoprotein genes (afgps) in the Arctic codfishes and Antarctic notothenioids to prevent freezing. However, the highly repetitive nature of these genes complicates studies of their organization. In notothenioids, afgps evolved from an extant gene, yet the evolutionary origin of afgps in codfishes is unknown. Here, we demonstrate that afgps in codfishes have evolved de novo from non-coding DNA 13-18 Ma, coinciding with the cooling of the Northern Hemisphere. Using whole-genome sequence data from several codfishes and notothenioids, we find higher copy number of afgp in species exposed to more severe freezing suggesting a gene dosage effect. Notably, antifreeze function is lost in one lineage of codfishes analogous to the afgp losses in non-Antarctic notothenioids. This indicates that selection can eliminate the antifreeze function when freezing is no longer imminent. Additionally, we show that evolution of afgp-assisting antifreeze potentiating protein genes (afpps) in notothenioids coincides with origin and lineage-specific losses of afgp. The origin of afgps in codfishes is one of the first examples of an essential gene born from non-coding DNA in a non model species. Our study underlines the power of comparative genomics to uncover past molecular signatures of genome evolution, and further highlights the impact of de novo gene origin in response to a changing selection regime. PMID- 29216380 TI - Recent advances in intradural spinal tumors. AB - Intradural spinal tumors are rare tumors of the central nervous system. Due to the eloquence of the spinal cord and its tracts, the compact architecture of the cord and nerves, and the infiltrative nature of some of these tumors, surgical resection is difficult to achieve without causing neurological deficits. Likewise, chemotherapy and radiotherapy are utilized more cautiously in the treatment of intradural spinal tumors than their cranial counterparts. Targeted therapies aimed at the genetic alterations and molecular biology tailored to these tumors would be helpful but are lacking.Here, we review the major types of intradural spinal tumors, with an emphasis on genetic alterations, molecular biology, and experimental therapies for these difficult to treat neoplasms. PMID- 29216382 TI - Improving CRISPR-Cas specificity with chemical modifications in single-guide RNAs. AB - CRISPR systems have emerged as transformative tools for altering genomes in living cells with unprecedented ease, inspiring keen interest in increasing their specificity for perfectly matched targets. We have developed a novel approach for improving specificity by incorporating chemical modifications in guide RNAs (gRNAs) at specific sites in their DNA recognition sequence ('guide sequence') and systematically evaluating their on-target and off-target activities in biochemical DNA cleavage assays and cell-based assays. Our results show that a chemical modification (2'-O-methyl-3'-phosphonoacetate, or 'MP') incorporated at select sites in the ribose-phosphate backbone of gRNAs can dramatically reduce off-target cleavage activities while maintaining high on-target performance, as demonstrated in clinically relevant genes. These findings reveal a unique method for enhancing specificity by chemically modifying the guide sequence in gRNAs. Our approach introduces a versatile tool for augmenting the performance of CRISPR systems for research, industrial and therapeutic applications. PMID- 29216383 TI - Genetic Susceptibility to Postdiarrheal Hemolytic-Uremic Syndrome After Shiga Toxin-Producing Escherichia coli Infection: A Centers for Disease Control and Prevention FoodNet Study. AB - Background: Postdiarrheal hemolytic-uremic syndrome (D+HUS) following Shiga toxin producing Escherichia coli (STEC) infection is a serious condition lacking specific treatment. Host immune dysregulation and genetic susceptibility to complement hyperactivation are implicated in non-STEC-related HUS. However, genetic susceptibility to D+HUS remains largely uncharacterized. Methods: Patients with culture-confirmed STEC diarrhea, identified through the Centers for Disease Control and Prevention FoodNet surveillance system (2007-2012), were serotyped and classified by laboratory and/or clinical criteria as having suspected, probable, or confirmed D+HUS or as controls and underwent genotyping at 200 loci linked to nondiarrheal HUS or similar pathologies. Genetic associations with D+HUS were explored by multivariable regression, with adjustment for known risk factors. Results: Of 641 enrollees with STEC O157:H7, 80 had suspected D+HUS (41 with probable and 32 with confirmed D+HUS). Twelve genes related to cytokine signaling, complement pathways, platelet function, pathogen recognition, iron transport, and endothelial function were associated with D+HUS in multivariable-adjusted analyses (P <= .05). Of 12 significant single-nucleotide polymorphisms (SNPs), 5 were associated with all levels of D+HUS (intergenic SNP rs10874639, TFRC rs3804141, EDN1 rs5370, GP1BA rs121908064, and B2M rs16966334), and 7 SNPs (6 non-complement related) were associated with confirmed D+HUS (all P < .05). Conclusions: Polymorphisms in many non-complement related genes may contribute to D+HUS susceptibility. These results require replication, but they suggest novel therapeutic targets in patients with D+HUS. PMID- 29216384 TI - Featured Article: Evaluating Smartphone-Based Virtual Reality to Improve Chinese Schoolchildren's Pedestrian Safety: A Nonrandomized Trial. AB - Objective: This nonrandomized trial evaluated whether classroom-based training in a smartphone-based virtual reality (VR) pedestrian environment (a) teaches schoolchildren to cross streets safely, and (b) increases their self-efficacy for street-crossing. Methods: Fifty-six children, aged 8-10 years, attending primary school in Changsha, China participated. Baseline pedestrian safety assessment occurred in the VR environment and through unobtrusive observation of a subsample crossing a street for 11 days outside school. Self-efficacy was assessed through both self-report and observation. Following baseline, children engaged in the VR for 12 days in their classrooms, honing complex cognitive-perceptual skills required to engage safely in traffic. Follow-up assessment replicated baseline. Results: Probability of crash in the VR decreased posttraining (0.40 vs. 0.09), and observational data found the odds of looking at oncoming traffic while crossing the first lane of traffic increased (odds ratio [OR] = 2.4). Self efficacy increases occurred in self-report (proportional OR = 4.7 crossing busy streets) and observation of following crossing-guard signals (OR = 0.2, first lane). Conclusions: Pedestrian safety training via smartphone-based VR provides children the repeated practice needed to learn the complex skills required to cross streets safely, and also helps them improve self-efficacy to cross streets. Given rapid motorization and global smartphone penetration, plus epidemiological findings that about 75,000 children die annually worldwide in pedestrian crashes, smartphone-based VR could supplement existing policy and prevention efforts to improve global child pedestrian safety. PMID- 29216385 TI - De novo and secondary anaplastic meningiomas: a study of clinical and histomolecular prognostic factors. AB - Background: Following recent studies underlining the differences between de novo and secondary anaplastic meningiomas and the prognostic value of telomerase reverse transcriptase (TERT) promoter mutation, we decided to conduct a multicenter retrospective study to address these questions and determine specific prognostic factors in each of these 2 anaplastic meningioma subgroups. Methods: Among the 68 meningioma cases initially selected, only 57 were confirmed as anaplastic meningiomas after centralized pathological review. TERT promoter mutation analysis was performed in all cases. Results: Median overall survival was 2.6 years and 5-year survival rate was 10%. This study confirmed the better prognosis of de novo anaplastic meningiomas (28 tumors) compared with secondary anaplastic meningiomas (29 tumors) (P = 0.02). In the "de novo" group, meningiomas diagnosed on histological anaplasia alone had a better prognosis than those in patients with a high number of mitoses with or without anaplasia (P = 0.01). In the "secondary" group, tumors demonstrate very heterogeneous clinical courses leading to malignant transformation, and time to first relapse as a low grade tumor was a strong predictor of overall survival (P = 0.0007). TERT promoter mutation in anaplastic meningiomas was rare (14%) and did not influence overall survival but was associated with a shorter recurrence-free survival in the secondary anaplastic meningioma subgroup (P = 0.02). The absence of TERT promoter methylation, although rare (3/33 cases), may be associated with prolonged overall survival (P = 0.02). Conclusion: This study highlights the different prognoses of de novo and secondary anaplastic meningiomas with specific prognostic factors in each subgroup. The analysis of TERT mutation and methylation could provide additional prognostic insights. PMID- 29216386 TI - An exome-wide association study identifies new susceptibility loci for age of smoking initiation in African- and European-American populations. AB - Introduction: Cigarette smoking is one of the largest causes of preventable death worldwide. This study aimed to identify susceptibility loci for age at smoking initiation (ASI) by performing exome-wide association analysis. Methods: A total of 2,510 smokers of either African-American (AA) or European-American (EA) origin were genotyped and analyzed at both the single nucleotide polymorphism (SNP) and gene levels. After removal of those SNPs with minor allele frequency (<0.01), 48,091 and 34,933 SNPs for AAs and EAs, respectively, were used to conduct single nucleotide polymorphism (SNP)-based association analysis. Gene-based analyses were then performed for all SNPs examined within each gene. Further, we estimated the proportion of variance explained by all common SNPs included in the analysis. Results: The strongest signals were detected for SNPs rs17849904 in the pitrilysin metallopeptidase 1 gene (PITRM1) in the AA sample (P=9.02*10-7) and rs34722354 in the discoidin domain of the receptor tyrosine kinase 2 gene (DDR2) in the EA sample (P = 9.74 * 10-7). Both SNPs remained significant after Bonferroni correction for the number of SNPs tested. Subsequently, gene-based association analysis revealed a significantly associated gene, DHRS7, in the AA sample (P = 5.00 * 10-6), a gene previously implicated in nicotine metabolism. Conclusions: Our study revealed two susceptibility loci for age of smoking initiation in the two ethnic samples, with the first being PITRM1 for AA smokers and the second DDR2 for EA smokers. In addition, we found DHRS7 to be a plausible candidate for ASI in the AA sample from our gene-based association analysis. Implications: PITRM1 and DHRS7 for African American smokers and DDR2 for European American smokers are new candidate genes for smoking initiation. These genes represent new additions to smoking initiation, an important but less studied phenotype in nicotine dependence research. PMID- 29216387 TI - USEFULNESS OF SIZE-SPECIFIC DOSE ESTIMATES IN PEDIATRIC COMPUTED TOMOGRAPHY: REVALIDATION OF LARGE-SCALE PEDIATRIC CT DOSE SURVEY DATA IN JAPAN. AB - The objective of this research is to calculate the organ equivalent dose and effective dose from the scanning conditions at 165 centers in Japan using computed tomography (CT) Dose software and compare the results with the CT dose index volume (CTDIvol), dose length product (DLP) and size-specific dose estimates (SSDE) to validate the usefulness of SSDE. The CTDIvol and DLP were significantly lower in infants than in children (p < 0.05). No significant differences were found in the bone marrow equivalent dose and effective dose for the torso between infants and children (p > 0.05), and the bone marrow equivalent dose and effective dose for the head were higher in infants than children (p < 0.05). No significant difference was found in SSDE for the torso between infants and children (p > 0.05). Organ equivalent and effective doses for head CT scans are higher in infants than in children (I/P ratio >= 1). The I/P ratios of CTDIvol and DLP for chest and abdominal CT scans are also higher in Japan than in other countries. CTDIvol and DLP are not accurate when used as a dose index, and SSDE was considered suitable for dose assessment of the torso. However, for head CT in infants, a further reduction in radiation exposure is required. PMID- 29216388 TI - Insulin Resistance Disrupts the Interaction Between AKT and the NMDA Receptor and the Inactivation of the CaMKIV/CREB Pathway in Minimal Hepatic Encephalopathy. PMID- 29216389 TI - NEUTRON FIELD MEASUREMENT OF P(35)+Be SOURCE USING THE MULTI-FOIL ACTIVATION METHOD. AB - Neutron field from the p+Be interaction was investigated at the NPI CAS for a proton beam energy of 35 MeV and thick beryllium target. Broad neutron spectra at close source-to-sample distances were determined using the multi-foil activation technique. Two large sets of dosimetry foils containing the Ni, Co, Au, In, Ti, Al, Y, Lu, Nb and Fe were irradiated at a distance of 74 mm at direct neutron beam axis and at a distance of 34 mm from beam axis. Supporting Monte-Carlo MCNPX calculations of the irradiation system were performed as well. From measured reaction rates, the neutron energy spectra at both positions were reconstructed employing the modified version of the SAND-II unfolding code and activation cross section data from the EAF-2010 library. At the position of irradiated samples, the total fast neutron flux reaches the value up to 1010 cm-2 s-1, and the neutron field is utilizable for radiation hardness study and integral benchmark experiments within the International Fusion Material Irradiation Facility (IFMIF) program. PMID- 29216390 TI - DOSE AREA PRODUCT VALUES OF FLUOROSCOPICALLY GUIDED PAIN MANAGEMENT PROCEDURES: COMPARISON OF A BELGIAN TEACHING HOSPITAL WITH NATIONAL DIAGNOSTIC REFERENCE LEVELS. AB - In 2011, national diagnostic reference levels (DRLs) were proposed for pain management fluoroscopic procedures in Belgium. The primary goal of this work is to compare the dose area product values (DAP) recorded at the Saint-Luc University Hospital to these DRLs. From 2012 to 2015, 7664 interventional pain management procedures (4740 epidural, 2097 medial branch and 807 transforaminal infiltrations) were performed. Uni/multivariable analyses were done regarding the influence of different factors. The fluoroscopy duration and the DAP are lower to the DRLs (p < 0.001). From 7644 procedures' DAP, 1431 (18.7%) were higher than the DRLs: 1397 epidural (29.5%), 16 medial branch (0.8%) and 18 transforaminal infiltrations (2.2%) (p < 0.001 between procedures). The main factor that significantly modifies DAP, as duration, is the practitioner. Additionally, we obtained [IQR: 25-75] values for epidural [0.0174-0.055 mGy m2], medial branch block [0.0194-0.0472] and transforaminal infiltrations [0.0499-0.1067 mGy m2] (p < 0.05 vs. DRLs, respectively, 0.05, 0.25 and 0.3 mGy m2). Systematic use of contrast confirmation significantly increases DAP (p < 0.001). This retrospective analysis shows differences in DAP, mainly driven by the practitioner. This suggests the existence of modifiable factors. Programs aiming to determine these factors to reduce this DAP are justified. PMID- 29216391 TI - Prevalence and Determinants of REM Sleep Behavior Disorder in the General Population. AB - Study Objectives: REM sleep behavior disorder (RBD) is a parasomnia associated with neurodegenerative synucleinopathies. Its prevalence is largely unknown. This study determined the prevalence and characteristics of RBD in the general population using gold-standard polysomnography. Methods: Full polysomnographic data from 1997 subjects (age=59+/-11.1 years, 53.6% women) participating in a population-based study (HypnoLaus, Lausanne, Switzerland) were collected. Sleep related complaints and habits were investigated using various sleep measures including the Munich Parasomnia Screening (MUPS) questionnaire, which includes two questions evaluating complex motor behaviors suggestive of RBD. Full polysomnography was performed at home. For subjects screening positive for RBD, muscle activity during REM sleep was quantified to diagnose RBD. Results: 368 participants endorsed dream-enactment behavior on either of the two MUPS questions, and 21 fulfilled polysomnographic criteria for RBD, resulting in an estimated prevalence of 1.06% (95% CI=0.61-1.50), with no difference between men and women. Compared to RBD- participants, RBD+ took more frequently antidepressants and antipsychotics (23.8% vs. 5.4%, p=0.005; 14.3% vs. 1.5%, p=0.004, respectively), and were more frequently smokers/ex-smokers (85% vs. 56.6%, p=0.011). On polysomnography, RBD+ had more stage N2 sleep (52+/-11.5% vs. 46.3+/-10.2%, p=0.024) and less REM sleep (18+/-6.4% vs. 21.9+/-6.2%, p=0.007), lower AHI in REM sleep (3.8+/-5.2 vs. 8.9+/-13/h, p=0.035) and lower autonomic arousal index (31+/-14.9 vs. 42.6+/-19.5/h, p=0.002). Conclusions: In our middle to-older age population-based sample, the prevalence of RBD was 1.06%, with no difference between men and women. RBD was associated with antidepressant and antipsychotic use and with minor differences in sleep structure. PMID- 29216392 TI - Dioxin-like PCB 126 Increases Systemic Inflammation and Accelerates Atherosclerosis in Lean LDL Receptor-Deficient Mice. AB - Exposure to dioxins and related persistent organic pollutants likely contributes to cardiovascular disease (CVD) risk through multiple mechanisms including the induction of chronic inflammation. Epidemiological studies have shown that leaner individuals may be more susceptible to the detrimental effects of lipophilic toxicants because they lack large adipose tissue depots that can accumulate and sequester these pollutants. This phenomenon complicates efforts to study mechanisms of pollutant-accelerated atherosclerosis in experimental animal models where high-fat feeding and adipose expansion limit the bioavailability of lipophilic pollutants. Here, we investigated whether a model dioxin-like pollutant, PCB 126, could increase inflammation and accelerate atherosclerosis in Ldlr-/- mice fed a low-fat atherogenic diet. We fed Ldlr-/- mice the Clinton/Cybulsky diet (10% kcal fat, 0.15% cholesterol) and sacrificed mice at 8, 10, or 12 weeks postPCB (2 doses of 1 MUmol/kg) or vehicle gavage. To characterize this novel model, we examined the effects of PCB 126 on markers of systemic inflammation, hematological indices, fatty livers, and atherosclerotic lesion size. Mice exposed to PCB 126 exhibited significantly increased plasma inflammatory cytokine levels, increased circulating biomarkers of CVD, altered platelet, and red blood cell counts, increased accumulation of hepatic fatty acids, and accelerated atherosclerotic lesion formation in the aortic root. PCB 126 also increased circulating neutrophils, monocytes, and macrophages as determined by flow cytometry analysis. Exposure to dioxin-like PCB 126 increases inflammation and accelerates atherosclerosis in mice. This low-fat atherogenic diet may provide a useful tool to study the mechanisms linking exposure to lipophilic pollutants to increased risk of CVD. PMID- 29216393 TI - MONTE CARLO SIMULATION OF OUT-OF-FIELD ORGAN DOSES AND CANCER RISK IN TANZANIA FOR RADIATION THERAPY OF UNILATERAL RETINOBLASTOMA USING A 60Co UNIT. AB - The use of 60Co teletherapy unit for the treatment of unilateral retinoblastoma (Rb) patients is a very common procedure in many developing countries including Tanzania. The aim of this study was to estimate organ-specific absorbed doses from an external beam radiation therapy 60Co unit for unilateral Rb and to assess the risks of the patients developing a secondary primary cancer. The absorbed dose estimations were based on a Monte Carlo method and a set of age-dependent computational male phantoms. The estimated doses were used to calculate the secondary cancer risks in out-of-field organs using the Biological Effects of Ionising Radiation VII risk models. The survival information and baseline cancer risks were based on relevant statistics for the Tanzanian population. The resulting out-of-field organ doses data showed that organs which are close to the target volume, such as the brain, salivary glands and thyroid glands, received the highest absorbed dose from scattered photons during the treatment of Rb. It was also found that the resulting photons dose to specific organs depends on the patient's age. Younger patients are more sensitive to radiation and also received higher dose contributions from the treatment head due to a larger part of the body exposed to the photon radiation. In all sites considered, the overall risks associated with radiation-induced secondary cancer were relatively lower than the baseline risks. Thus, the results in this article can help to provide good estimations of radiation-induced secondary cancer after radiation treatment of unilateral Rb using 60Co teletherapy unit in Tanzania and other developing countries. PMID- 29216394 TI - CircLRP6 Regulation of ZEB1 via miR-455 Is Involved in the Epithelial-Mesenchymal Transition During Arsenite-Induced Malignant Transformation of Human Keratinocytes. AB - Circular RNAs (circRNAs), a class of noncoding RNAs generated from pre-mRNAs, participate in the regulation of tumorigenesis. The mechanism for regulation, however, is unclear. Here, to determine whether circRNAs are involved in arsenite induced epithelial-mesenchymal transition (EMT) and malignant transformation in human keratinocyte (HaCaT) cells, the up-regulation of circLRP6 was confirmed in arsenite-transformed HaCaT (T-HaCaT) cells. In HaCaT cells, circLRP6 acted as an microRNA (miR)-455 sponge. For these cells, chronic exposure to arsenite caused an increase of circLRP6 and the transcription factor ZEB1, which induced the EMT. miR-455 suppressed the expression of ZEB1. Further, in T-HaCaT cells, knockdown of circLRP6 with siRNA inhibited ZEB1 expression, but cotransfection with circLRP6 siRNA and an miR-455 inhibitor reversed this inhibition. These results suggest that, in HaCaT cells, arsenite increases circLRP6 levels, which act as a sponge for miR-455 and up-regulate the miR-455 target, ZEB1, which subsequently induces the EMT, thus promoting malignant transformation. Thus, for HaCaT cells chronically exposed to arsenite, circLRP6 via miR-455 regulation of ZEB1 is involved in the EMT during malignant transformation. The results establish a previously unknown mechanism for arsenite-induced carcinogenesis. PMID- 29216395 TI - A Randomized Trial Evaluating the Prophylactic Activity of DSM265 Against Preerythrocytic Plasmodium falciparum Infection During Controlled Human Malarial Infection by Mosquito Bites and Direct Venous Inoculation. AB - Background: DSM265 is a selective inhibitor of Plasmodium dihydroorotate dehydrogenase that fully protected against controlled human malarial infection (CHMI) by direct venous inoculation of Plasmodium falciparum sporozoites when administered 1 day before challenge and provided partial protection when administered 7 days before challenge. Methods: A double-blinded, randomized, placebo-controlled trial was performed to assess safety, tolerability, pharmacokinetics, and efficacy of 1 oral dose of 400 mg of DSM265 before CHMI. Three cohorts were studied, with DSM265 administered 3 or 7 days before direct venous inoculation of sporozoites or 7 days before 5 bites from infected mosquitoes. Results: DSM265-related adverse events consisted of mild-to-moderate headache and gastrointestinal symptoms. DSM265 concentrations were consistent with pharmacokinetic models (mean area under the curve extrapolated to infinity, 1707 ug*h/mL). Placebo-treated participants became positive by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) and were treated 7-10 days after CHMI. Among DSM265-treated subjects, 2 of 6 in each cohort were sterilely protected. DSM265-treated recipients had longer times to development of parasitemia than placebo-treated participants (P < .004). Conclusions: This was the first CHMI study of a novel antimalarial compound to compare direct venous inoculation of sporozoites and mosquito bites. Times to qRT-PCR positivity and treatment were comparable for both routes. DSM265 given 3 or 7 days before CHMI was safe and well tolerated but sterilely protected only one third of participants. PMID- 29216397 TI - Madeiran Arabidopsis thaliana reveals ancient long-range colonization and clarifies demography in Eurasia. AB - The study of model organisms on islands may shed light on rare long-range dispersal events, uncover signatures of local evolutionary processes, and inform demographic inference on the mainland. Here, we sequenced the genomes of Arabidopsis thaliana samples from the oceanic island of Madeira. These samples include the most diverged worldwide, likely a result of long isolation on the island. We infer that colonisation of Madeira happened between 70 and 85 kya, consistent with a propagule dispersal model (of size > =10), or with an ecological window of opportunity. This represents a clear example of a natural long-range dispersal event in A. thaliana. Long-term effective population size on the island, rather than the founder effect, had the greatest impact on levels of diversity, and rates of coalescence. Our results uncover a selective sweep signature on the ancestral haplotype of a known translocation in Eurasia, as well as the possible importance of the low phosphorous availability in volcanic soils, and altitude, in shaping early adaptations to the island conditions. Madeiran genomes, sheltered from the complexities of continental demography, help illuminate ancient demographic events in Eurasia. Our data support a model in which two separate lineages of A. thaliana, one originating in Africa and the other from the Caucasus expanded and met in Iberia, resulting in a secondary contact zone there. While previous studies inferred that the westward expansion of A. thaliana coincided with the spread of human agriculture, our results suggest it happened much earlier (20-40 kya). PMID- 29216399 TI - Evolution of acidic mammalian chitinase genes (CHIA) is related to body mass and insectivory in primates. AB - Insects are an important food resource for many primates, but the chitinous exoskeletons of arthropods have long been considered to be indigestible by the digestive enzymes of most mammals. However, recently mice and insectivorous bats were found to produce the enzyme acidic mammalian chitinase (AMCase) to digest insect exoskeletons. Here, we report on the gene CHIA and its paralogs, which encode AMCase, in a comparative sample of nonhuman primates. Our results show that early primates likely had three CHIA genes, suggesting that insects were an important component of the ancestral primate diet. With some exceptions, most extant primate species retain only one functional CHIA paralog. The exceptions include two colobine species, in which all CHIA genes have premature stop codons, and several New World monkey species that retain two functional genes. The most insectivorous species in our sample also have the largest number of functional CHIA genes. Tupaia chinensis and Otolemur garnettii retain three functional CHIA paralogs, while Tarsius syrichta has a total of five, two of which may be duplications specific to the tarsier lineage. Selection analyses indicate that CHIA genes are under more intense selection in species with higher insect consumption, as well as in smaller-bodied species (<500 g), providing molecular support for Kay's Threshold, a well-established component of primatological theory which proposes that only small primates can be primarily insectivorous. These findings suggest that primates, like mice and insectivorous bats, may use the enzyme AMCase to digest the chitin in insect exoskeletons, providing potentially significant nutritional benefits. PMID- 29216398 TI - ATTED-II in 2018: A Plant Coexpression Database Based on Investigation of the Statistical Property of the Mutual Rank Index. AB - ATTED-II (http://atted.jp) is a coexpression database for plant species to aid in the discovery of relationships of unknown genes within a species. As an advanced coexpression analysis method, multispecies comparisons have the potential to detect alterations in gene relationships within an evolutionary context. However, determining the validity of comparative coexpression studies is difficult without quantitative assessments of the quality of coexpression data. ATTED-II (version 9) provides 16 coexpression platforms for nine plant species, including seven species supported by both microarray- and RNA sequencing (RNAseq)-based coexpression data. Two independent sources of coexpression data enable the assessment of the reproducibility of coexpression. The latest coexpression data for Arabidopsis (Ath-m.c7-1 and Ath-r.c3-0) showed the highest reproducibility (Jaccard coefficient = 0.13) among previous coexpression data in ATTED-II. We also investigated the statistical basis of the mutual rank (MR) index as a coexpression measure by bootstrap sampling of experimental units. We found that the error distribution of the logit-transformed MR index showed normality with equal variances for each coexpression platform. Because the MR error was strongly correlated with the number of samples for the coexpression data, typical confidence intervals for the MR index can be estimated for any coexpression platform. These new, high-quality coexpression data can be analyzed with any tool in ATTED-II and combined with external resources to obtain insight into plant biology. PMID- 29216396 TI - Short-term efficacy and safety of rituximab therapy in refractory systemic lupus erythematosus: results from the British Isles Lupus Assessment Group Biologics Register. AB - Objectives: To describe the baseline characteristics of SLE patients requiring biologic therapy in the UK and to explore short term efficacy and infection rates associated with rituximab (RTX) use. Methods: Patients commencing biologic therapy for refractory SLE and who consented to join BILAG-BR were analysed. Baseline characteristics, disease activity (BILAG 2004/SLEDAI-2K) and rates of infection over follow-up were analysed. Response was defined as loss of all A and B BILAG scores to ? 1 B score with no new A/B scores in other organ systems at 6 months. Results: Two hundred and seventy SLE patients commenced biologic therapy from September 2010 to September 2015, most commonly RTX (n = 261). Two hundred and fifty (93%) patients were taking glucocorticoids at baseline at a median [interquartile range (IQR)] oral dose of 10 mg (5-20 mg) daily. Response rates at 6 months were available for 68% of patients. The median (IQR) BILAG score was 15 (10-23) at baseline and 3 (2-12) at 6 months (P < 0.0001). The median (IQR) SLEDAI-2K reduced from 8 (5-12) to 4 (0-7) (P < 0.001). Response was achieved in 49% of patients. There was also a reduction in glucocorticoid use to a median (IQR) dose of 7.5 mg (5-12 mg) at 6 months (P < 0.001). Serious infections occurred in 26 (10%) patients, being more frequent in the first 3 months post-RTX therapy. A higher proportion of early infections were non-respiratory (odds ratio = 1.98, 95% CI: 0.99, 3.9; P = 0.049). Conclusion: RTX is safe and is associated with improvement in disease activity in refractory SLE patients with concomitant reductions in glucocorticoid use. Early vigilance for infection post-infusion is important to further improve treatment risks and benefits. PMID- 29216400 TI - Activity and safety of crizotinib in patients with alveolar soft part sarcoma with rearrangement of TFE3: European Organization for Research and Treatment of Cancer (EORTC) phase II trial 90101 'CREATE'. AB - Background: Alveolar soft part sarcoma (ASPS) is an orphan malignancy associated with a rearrangement of transcription factor E3 (TFE3), leading to abnormal MET gene expression. We prospectively assessed the efficacy and safety of the MET tyrosine kinase inhibitor crizotinib in patients with advanced or metastatic ASPS. Patients and methods: Eligible patients with reference pathology-confirmed ASPS received oral crizotinib 250 mg bd. By assessing the presence or absence of a TFE3 rearrangement, patients were attributed to MET+ and MET- sub-cohorts. The primary end point was the objective response rate (ORR) according to local investigator. Secondary end points included duration of response, disease control rate (DCR), progression-free survival (PFS), progression-free rate, overall survival (OS) and safety. Results: Among 53 consenting patients, all had a centrally confirmed ASPS and 48 were treated. A total of 45 were eligible, treated and assessable. Among 40 MET+ patients, 1 achieved a confirmed partial response (PR) that lasted 215 days and 35 had stable disease (SD) as best response (ORR: 2.5%, 95% CI 0.6% to 80.6%). Further efficacy end points in MET+ cases were DCR: 90.0% (95% CI 76.3% to 97.2%), 1-year PFS rate: 37.5% (95% CI 22.9% to 52.1%) and 1-year OS rate: 97.4% (95% CI 82.8% to 99.6%). Among 4 MET- patients, 1 achieved a PR that lasted 801 days and 3 had SD (ORR: 25.0%, 95% CI 0.6% to 80.6%) for a DCR of 100% (95% CI 39.8% to 100.0%). The 1-year PFS rate in MET- cases was 50% (95% CI 5.8% to 84.5%) and the 1-year OS rate was 75% (95% CI 12.8% to 96.1%). One patient with unknown MET status due to technical failure achieved SD but stopped treatment due to progression after 17 cycles. The most common crizotinib-related adverse events were nausea [34/48 (70.8%)], vomiting [22/48 (45.8%)], blurred vision [22/48 (45.8%)], diarrhoea (20/48 (41.7%)] and fatigue [19/48 (39.6%)]. Conclusion: According to European Organization for Research and Treatment of Cancer (EORTC) efficacy criteria for soft tissue sarcoma, our study demonstrated that crizotinib has activity in TFE3 rearranged ASPS MET+ patients. Clinical trial number: EORTC 90101, NCT01524926. PMID- 29216401 TI - Sink-Source Balance and Down-Regulation of Photosynthesis in Raphanus sativus: Effects of Grafting, N and CO2. AB - To clarify whether excessive accumulation of total non-structural carbohydrate (TNC) causes down-regulation of photosynthesis in Raphanus sativus, we manipulated sink-source balance to alter TNC levels in source leaves and examined its effects on photosynthetic characteristics, whole-plant biomass allocation and anatomical characteristics of leaves and petioles. Comet and Leafy varieties with large and small hypocotyls were reciprocally grafted to change hypocotyl sink strength. They were grown at high or low nitrogen (N) availability and at elevated or ambient CO2. Maximum photosynthetic rate, which was highly correlated with Rubisco and leaf N contents, was hardly correlated with TNC across the grafting combinations and growth conditions. Biomass allocation to petioles and hypocotyls and accumulation of TNC in each organ were significantly higher at low N. TNC and structural carbohydrates such as cellulose and hemicellulose were higher and the proportion of intercellular air space in source leaves was lower at low N and elevated CO2. We conclude that excess TNC does not cause severe down regulation of photosynthesis, and cell walls and petioles are also major carbohydrate sinks responding to changes in sink-source and carbon-nitrogen balances, which contribute to alleviating further accumulation of TNC to avoid its negative effects in source leaves. PMID- 29216402 TI - Soyasaponins: A New Class of Root Exudates in Soybean (Glycine max). AB - Root exudates are plant metabolites secreted from the roots into the soil. These exudates are involved in many important biological processes, including acquisition of nutrients, defense and signaling to rhizosphere bacteria, such as isoflavones of soybean crucial for the symbiosis with rhizobium. Less is known, however, about other types of root exudates. This study shows that soybean roots secrete large amounts of soyasaponins (triterpenoid glycosides) as root exudates. The soyasaponins are classified into four groups, with group A being the most secreted of these compounds, whereas DDMP (2,3-dihydro-2,5-dihydroxy-6-methyl-4H pyran-4-one) soyasaponins is the group showing greatest accumulation in root tissues, suggesting a selection system for secreted compounds. Time-course experiments showed that the soyasaponin secretion peaked during early vegetative stages. In particular, soyasaponin Ah was the major compound secreted by soybean roots, whereas the deacetylated derivative Af was the major compound secreted specifically during the VE stage. The secretion of soyasaponins containing glycosyl moieties is an apparent loss of photosynthates. This phenomenon has been also observed in other legume species, although the composition of secreted soyasaponins is plant species dependent. The identification of triterpenoid saponins as major metabolites in legume root exudates will provide novel insights into chemical signaling in the rhizosphere between plants and other organisms. PMID- 29216403 TI - Staphylococcus aureus Impacts Pseudomonas aeruginosa Chronic Respiratory Disease in Murine Models. AB - Background: Staphylococcus aureus and Pseudomonas aeruginosa are key bacterial pathogens of the respiratory tract in patients with cystic fibrosis (CF). Although P. aeruginosa chronic bronchial infection is associated with a poorer prognosis, the consequences of S. aureus colonization on CF outcomes are controversial. Methods: In this paper, murine models of infection resembling traits of the CF human airways disease have been revisited using an infection schedule that mimics the sequence of events of pulmonary disease in CF patients. First, mice were infected with S. aureus, embedded in agar beads; this was followed by P. aeruginosa infection and analysis of bacterial load, leukocyte infiltration, and lung tissue damage. Results: We reveal that (1) S. aureus promotes severe lesions including abscess formation, (2) S. aureus increases the risk of subsequent chronic P. aeruginosa respiratory infection, and (3) once the chronic infection has been established, P. aeruginosa influences most of the inflammatory responses independent of S. aureus. Conclusions: Our findings established the significance of S. aureus colonization per se and the impact on the subsequent P. aeruginosa infection. This would point towards a thorough assessment for the need of treatment against S. aureus. PMID- 29216404 TI - EXPOSURE TO EXTREMELY LOW FREQUENCY ELECTROMAGNETIC FIELDS DURING LESSONS IN SECONDARY SCHOOLS. AB - Schools are a significant location where children are exposed to electromagnetic fields (EMFs), which may cause adverse health effects. This cross-sectional study aimed to examine exposure levels to extremely low frequency magnetic fields (ELF MFs) with a range of 5 Hz-32 kHz, and ELF-electric fields (ELF-EFs) with a range of 5 Hz-2 kHz in secondary schools in Bangkok, Thailand. This study was conducted in 60 classrooms from three schools during class hours. Spot measurements were taken with a Narda EFA 300 field analyzer to evaluate exposure levels. This study showed that ELF-EMF exposure levels are lower than ICNIRP guidelines, while 21.67% of classrooms had a magnetic field strength above 0.2 MUT, and the main sources of ELF-EMFs were electrical equipment and electrical wiring. Future studies should measure ELF-EMF levels in other areas and evaluate the effects of long term exposure to ELF-EMFs on children's health. PMID- 29216406 TI - High-Throughput H295R Steroidogenesis Assay: Utility as an Alternative and a Statistical Approach to Characterize Effects on Steroidogenesis. AB - The U.S. Environmental Protection Agency Endocrine Disruptor Screening Program and the Organization for Economic Co-operation and Development (OECD) have used the human adrenocarcinoma (H295R) cell-based assay to predict chemical perturbation of androgen and estrogen production. Recently, a high-throughput H295R (HT-H295R) assay was developed as part of the ToxCast program that includes measurement of 11 hormones, including progestagens, corticosteroids, androgens, and estrogens. To date, 2012 chemicals have been screened at 1 concentration; of these, 656 chemicals have been screened in concentration-response. The objectives of this work were to: (1) develop an integrated analysis of chemical-mediated effects on steroidogenesis in the HT-H295R assay and (2) evaluate whether the HT H295R assay predicts estrogen and androgen production specifically via comparison with the OECD-validated H295R assay. To support application of HT-H295R assay data to weight-of-evidence and prioritization tasks, a single numeric value based on Mahalanobis distances was computed for 654 chemicals to indicate the magnitude of effects on the synthesis of 11 hormones. The maximum mean Mahalanobis distance (maxmMd) values were high for strong modulators (prochloraz, mifepristone) and lower for moderate modulators (atrazine, molinate). Twenty-five of 28 reference chemicals used for OECD validation were screened in the HT-H295R assay, and produced qualitatively similar results, with accuracies of 0.90/0.75 and 0.81/0.91 for increased/decreased testosterone and estradiol production, respectively. The HT-H295R assay provides robust information regarding estrogen and androgen production, as well as additional hormones. The maxmMd from this integrated analysis may provide a data-driven approach to prioritizing lists of chemicals for putative effects on steroidogenesis. PMID- 29216405 TI - The Human Immunodeficiency Virus Care Continuum in China: 1985-2015. AB - Background: Human immunodeficiency virus (HIV) care continuum attrition is a major global public health challenge. Few studies have examined this problem in resource-limited settings. We aimed to assess cumulative, current, and historical achievement along China's HIV continuum of care. Methods: A nationwide, serial cross-sectional study of all individuals with HIV infection diagnosed in China between 1 January 1985 and 31 December 2015 was conducted using data from China's HIV/AIDS information systems. Biennial estimates of the number of persons living with HIV were also used. We defined 7 steps in HIV care continuum as infected (estimated), diagnosed, linked, retained, enrolled, receiving antiretroviral therapy (ART), and virally suppressed. Cumulative, 30-year performance, and biennial performance during the most recent 10 years were examined. Results: A total of 573529 persons diagnosed with HIV infection were included. Cumulatively, 94% were linked, 88% were retained, 73% were enrolled, 67% were receiving ART, and 44% were suppressed. Greatest attrition was observed for adolescents, minorities, and those who reported injecting drug use as their route of infection. Improvement was observed from 2005 to 2015. As of the end of 2015, 68% among those infected were diagnosed, 67% among diagnosed were receiving ART, and 65% among those receiving ART were virally suppressed. After adjusting for those without viral load testing, the proportion suppressed increased to 89%. Conclusions: Despite dramatic improvements, China faces serious challenges in achieving the Joint United Nations Programme on HIV/AIDS 90-90-90 targets, because of substantial attrition along its continuum of HIV care. PMID- 29216408 TI - A cold responsive ethylene responsive factor from Medicago falcata confers cold tolerance by up-regulation of polyamine turnover, antioxidant protection, and proline accumulation. AB - Ethylene responsive factor (ERF) subfamily transcription factors play an important role in plant abiotic and biotic stress tolerance. A cold responsive ERF, MfERF1, was isolated from Medicago falcata, an important forage legume that has great cold tolerance. Overexpression of MfERF1 resulted in an increased tolerance to freezing and chilling in transgenic tobacco plants, whereas down regulation of the ortholog of MfERF1 in Medicago truncatula resulted in reduced freezing tolerance in RNAi plants. Higher transcript levels of some stress responsive genes (CHN50, OSM, ERD10C, and SAMS) and those involved in spermidine (Spd) and spermine (Spm) synthesis (SAMDC1, SAMDC2, SPDS1, SPDS2, and SPMS) and catabolism (PAO) were observed in transgenic plants than in wild type. However, neither Spd nor Spm level was accumulated in transgenic plants as a result of promoted polyamine oxidase activity. Transgenic plants had higher activities of antioxidants associated with the induced encoding genes including Cu, Zn-SOD, CAT1, CAT2, CAT3, and cpAPX and accumulated more proline associated with induced P5CS and reduced PROX2 transcription as compared with wild type. The results suggest that MfERF1 confers cold tolerance through promoted polyamine turnover, antioxidant protection, and proline accumulation. PMID- 29216407 TI - An open-label positron emission tomography study to evaluate serotonin transporter occupancy following escalating dosing regimens of (R)-(-)-O desmethylvenlafaxine and racemic O-desmethylvenlafaxine. AB - SEP-227162 [R(-)-O-desmethylvenlafaxine] is an enantiomer of the venlafaxine metabolite O-desmethylvenlafaxine (ODV, PristiqTM, Wyeth). This study compared the serotonin transporter (SERT) occupancy achieved by SEP-227162 and ODV, at daily doses of 25, 50, 100, and 150 mg using [11 C]DASB positron emission tomography (PET). Sixteen healthy male subjects participated in one of four dose groups (N = 4 per group) during which they were administered two doses of the study drug (SEP-227162 or ODV). For each study drug, total daily doses of 25, 50, 100, and150 mg were studied. Subjects underwent three PET scans with [11 C]DASB. A baseline, off-medication, scan was performed prior to dosing and a [11 C]DASB PET scan was performed after 72 hr at each dose level. [11 C]DASB binding potential (BPND ) was calculated using the simplified reference tissue method. SERT occupancy was calculated as the change in BPND (DeltaBPND ) from baseline scan to the on-medication scan relative to the baseline BPND value. SEP-227162 and ODV significantly reduced regional distribution volumes and region BPND values in a dose-dependent manner. Across all doses ODV produced significantly greater SERT occupancy than SEP-227162 (ANOVA F = 21.8, df = 1,23, p < .001). The total daily dose required to provide 50% SERT occupancy was 24.8 mg for SEP 227162 and 14.4 mg for ODV. In vitro data suggests a ratio of 3.3:1 for binding at human SERT for SEP-227162 relative to ODV. Our study suggests a ratio of 1.7:1, highlighting the value of in vivo imaging in the drug development process. PMID- 29216410 TI - Three-dimensional ultrastructure of chloroplast pockets formed under salinity stress. AB - We investigated the invagination structure of a chloroplast that surrounds organelles such as mitochondria and peroxisomes within a thin layer of chloroplast stroma, which is called a chloroplast pocket. In this study, chloroplast pockets were observed in rice plants subjected to salinity stress but not under moderate growth condition. They included cytosol, transparent structure, lipid bodies, mitochondria, and peroxisomes. We constructed the three dimensional architecture of chloroplast pockets by using serial images obtained by transmission electron microscopy and focused ion beam-scanning electron microscopy. Three types of chloroplast pockets were observed by transmission electron microscopy: Organelles were completely enclosed in a chloroplast pocket (enclosed type), a chloroplast pocket with a small gap in the middle part (gap type), and a chloroplast pocket with one side open (open type). Of the 70 pockets observed by serial imaging, 35 were enclosed type, and 21 and 14 were gap and open types, respectively. Mitochondria and peroxisomes were often in contact with the chloroplast pockets. Focused ion beam-scanning electron microscopy revealed chloroplasts with a sheet structure partially surrounding peroxisomes. This fact suggests that chloroplasts might construct large sheet structures that would be related to the formation of chloroplast pockets. PMID- 29216409 TI - Enhanced Turnover for the P450 119 Peroxygenase-Catalyzed Asymmetric Epoxidation of Styrenes by Random Mutagenesis. AB - A randomized library is constructed based on pET30a-CYP119-T214V plasmid. This library of random mutants of CYP119-T214V was screened by means of the reduced CO difference spectra and epoxidation of styrene. By using directed evolution, a new CYP119 quadruple mutant S148P/I161T/K199E/T214V is constructed, expressed, and purified. This quadruple mutant significantly increases the turnover rate and conversion for the asymmetric epoxidation of styrene and its derivatives. The kcat. value of cis-beta-methylstyrene epoxidation catalyzed by the quadruple mutant exhibits an approximately 10-fold increase, relative to the previously reported T213M mutant under the same conditions. This is the first engineered CYP119 peroxygenase for the epoxidation of cis-beta-methylstyrene with a high turnover rate. The proposed mechanism, on the basis of a molecular docking study, for the asymmetric epoxidation suggests that the introduction of an acidic amino acid side chain into the active site and a hydrophobic amino acid into the substrate channels of CYP119 peroxygenase might result in high efficiency for the formation of compound I, and its subsequent peroxygenation by reconstructing the hydrogen-bonding interaction and increasing the substrate affinity and access. PMID- 29216411 TI - Electrochemical Properties of Boron-Doped Fullerene Derivatives for Lithium-Ion Battery Applications. AB - The high electron affinity of fullerene C60 coupled with the rich chemistry of carbon makes it a promising material for cathode applications in lithium-ion batteries. Since boron has one electron less than carbon, the presence of boron on C60 cages is expected to generate electron deficiency in C60 , and thereby to enhance its electron affinity. By using density functional theory (DFT), we studied the redox potentials and electronic properties of C60 and C59 B. We have found that doping C60 with one boron atom results in a substantial increase in redox potential from 2.462 V to 3.709 V, which was attributed to the formation of an open shell system. We also investigated the redox and electronic properties of C59 B functionalized with various redox-active oxygen containing functional groups (OCFGs). For the combination of functionalization with OCFGs and boron doping, it is found that the enhancement of redox potential is reduced, which is mainly attributed to the open shell structure being changed to a closed-shell one. Nevertheless, the redox potentials are still higher than that of pristine C60 . From the observation that the lowest unoccupied molecular orbital of closed shell OCFG- functionalized C59 B is correlated well with the redox potential, it was confirmed that the spin state is crucial to be considered to understand the relationship between electronic structure and redox properties. PMID- 29216413 TI - Quantum Machine Learning in Chemical Compound Space. AB - Rather than numerically solving the computationally demanding equations of quantum or statistical mechanics, machine learning methods can infer approximate solutions, interpolating previously acquired property data sets of molecules and materials. The case is made for quantum machine learning: An inductive molecular modeling approach which can be applied to quantum chemistry problems. PMID- 29216412 TI - Insights into ablation of persistent atrial fibrillation: Lessons from 6-year clinical outcomes. AB - INTRODUCTION: Ablation of persistent atrial fibrillation (AF) is a potential treatment option for symptomatic patients. We sought to evaluate the critical role of circumferential pulmonary vein isolation (CPVI) in the ablation of persistent AF. METHODS AND RESULTS: A total of 341 ablation procedures were performed in 174 consecutive patients with persistent AF. CPVI was performed in all patients, additional ablation was only performed if electrical cardioversion failed after CPVI. During a median follow-up (FU) of 89 (63; 89) months, stable sinus rhythm was documented in 42/170 (25%) patients after a single procedure and in 111/164 (68%) patients after 1.9 +/- 1.1 procedures. Stable SR was achieved in 40/75 (53%) patients in whom only CPVI was performed during the index and repeat procedures and in 71/89 (79%) patients with CPVI plus additional ablation. The main predictor for ablation success was duration of persistent AF before the index procedure (P < 0.001, HR +/- CI: 1.608 [1.034, 1.103]). Responders to CPVI during the initial procedure had a significantly better multiple-procedure outcome after 42 months of FU compared to CPVI nonresponders (P = 0.0365). Conversion during the index procedure had no impact on clinical outcomes (P = 0.0903). Persistent AF regressed to paroxysmal AF in 16% of patients. CONCLUSIONS: We demonstrate a 25% single- and 68% multiple-procedure success in patients with persistent AF, while stable SR was achieved in 53% of patients with pure CPVI during all procedures and in 79% of patients with CPVI plus additional ablation. Only duration of persistent AF before ablation had a statistically significant impact on ablation outcome. PMID- 29216414 TI - Dry and wet periods drive rapid shifts in community assembly in an estuarine ecosystem. AB - The impacts of changing climate regimes on emergent processes controlling the assembly of ecological communities remain poorly understood. Human alterations to the water cycle in the western United States have resulted in greater interannual variability and more frequent and severe extremes in freshwater flow. The specific mechanisms through which such extremes and climate regime shifts may alter ecological communities have rarely been demonstrated, and baseline information on current impacts of environmental variation is widely lacking for many habitats and communities. Here, we used observations and experiments to show that interannual variation in winter salinity levels in San Francisco Bay controls the mechanisms determining sessile invertebrate community composition during the following summer. We found consistent community changes in response to decadal-scale dry and wet extremes during a 13-year period, producing strikingly different communities. Our results match theoretical predictions of major shifts in species composition in response to environmental forcing up to a threshold, beyond which we observed mass mortality and wholesale replacement of the former community. These results provide a window into potential future community changes, with environmental forcing altering communities by shifting the relative influences of the mechanisms controlling species distributions and abundances. We place these results in the context of historical and projected future environmental variation in the San Francisco Bay Estuary. PMID- 29216415 TI - A Cesium Rare-Earth Silicate Cs3 RESi6 O15 (RE=Dy-Lu, Y, In): The Parent of an Unusual Structural Class Featuring a Remarkable 57 A Unit Cell Axis. AB - The structure of Cs3 RESi6 O15 , where RE=Dy-Lu, Y, In, is unusual in that it contains octahedrally coordinated rare-earth ions; their relative orientation dictates the structure, as they rotate about the c-axis supported by the cyclic Si6 O15 framework. The repeat unit of the rotation is eight units generating a very long (ca. 57 A) unit cell axis. This unusual repeat unit is created by the structural flexibility of the hexasilicate ring, which is in turn affected by the size of the rare earth ion as well as the size of alkali ion residing within the silicate layers. Previous work showed for the smaller Sc3+ ion, the rotation of the octahedra is not sufficient to achieve closure at an integral repeat unit and an incommensurate structure results. The products are prepared as large, high quality single crystals using a high-temperature (650 degrees C) hydrothermal method with CsOH and F- mineralizers. The presence of fluoride is essential to the formation of the product. PMID- 29216416 TI - Illuminating the role of the Galpha heterotrimeric G protein subunit, RGA1, in regulating photoprotection and photoavoidance in rice. AB - We studied physiological mechanisms of photoavoidance and photoprotection of a dwarf rice mutant with erect leaves, d1, in which the RGA1 gene, which encodes the Galpha subunit of the heterotrimeric G protein, is non-functional. Leaves of d1 exhibit lower leaf temperature and higher photochemical reflectance index relative to wild type (WT), indicative of increased photoavoidance and more efficient light harvesting. RNA sequencing analysis of flag leaves revealed that messenger RNA levels of genes encoding heat shock proteins, enzymes associated with chlorophyll breakdown, and ROS scavengers were down-regulated in d1. By contrast, genes encoding proteins associated with light harvesting, Photosystem II, cyclic electron transport, Photosystem I, and chlorophyll biosynthesis were up-regulated in d1. Consistent with these observations, when WT and d1 plants were experimentally subjected to the same light intensity, d1 plants exhibited a greater capacity to dissipate excess irradiance (increased nonphotochemical quenching) relative to WT. The increased capacity in d1 for both photoavoidance and photoprotection reduced sustained photoinhibitory damage, as revealed by a higher Fv /Fm . We therefore propose RGA1 as a regulator of photoavoidance and photoprotection mechanisms in rice and highlight the prospect of exploiting modulation of heterotrimeric G protein signalling to increase these characteristics and improve the yield of cereals in the event of abiotic stress. PMID- 29216417 TI - Feasibility of small group cognitive rehabilitation in a clinical cancer setting. PMID- 29216418 TI - Medication Adherence Decisions in Patients With Schizophrenia. AB - Medication nonadherence is common in patients with schizophrenia. Nonadherence affects approximately half of all patients and may increase the risk of relapse and hospitalization. Although it is an intensively studied phenomenon, we have little understanding of underlying mechanisms leading to nonadherence. In this article, using quantitative and qualitative study results and psychological decision theory, we present a model of medication adherence decisions in patients with schizophrenia that may be useful for clinicians and those involved in the development of adherence interventions or adherence research. The model focuses on the function and meaning of medication from a patient perspective. Although the model is a simplified description of the decision-making process related to medication use, it does explain the role of some important aspects such as insight, side effects, efficacy, and social influences. We also discuss how this may explain the high and persistent rates of nonadherence. Finally, we discuss some implications for clinical practice.. PMID- 29216419 TI - Frequent, Spontaneous, Prolonged Penile Erections in a 12-Year-Old Boy After Lisdexamfetamine Use. PMID- 29216420 TI - ERRATUM: Comparison of Surgery Plus Chemotherapy and Palliative Chemotherapy Alone for Advanced Gastric Cancer with Krukenberg Tumor. AB - [This corrects the article on p. 697 in vol. 47.]. PMID- 29216421 TI - Multidimensional Quantum Mechanical Modeling of Electron Transfer and Electronic Coherence in Plant Cryptochromes: The Role of Initial Bath Conditions. AB - A multidimensional quantum mechanical protocol is used to describe the photoinduced electron transfer and electronic coherence in plant cryptochromes without any semiempirical, e.g., experimentally obtained, parameters. Starting from a two-level spin-boson Hamiltonian we look at the effect that the initial photoinduced nuclear bath distribution has on an intermediate step of this biological electron transfer cascade for two idealized cases. The first assumes a slow equilibration of the nuclear bath with respect to the previous electron transfer step that leads to an ultrafast decay with little temperature dependence; while the second assumes a prior fast bath equilibration on the donor potential energy surface leading to a much slower decay, which contrarily displays a high temperature dependence and a better agreement with previous theoretical and experimental results. Beyond Marcus and semiclassical pictures these results unravel the strong impact that the presence or not of equilibrium initial conditions has on the electronic population and coherence dynamics at the quantum dynamics level in this and conceivably in other biological electron transfer cascades. PMID- 29216422 TI - Distinguishing Petroleum (Crude Oil and Fuel) From Smoke Exposure within Populations Based on the Relative Blood Levels of Benzene, Toluene, Ethylbenzene, and Xylenes (BTEX), Styrene and 2,5-Dimethylfuran by Pattern Recognition Using Artificial Neural Networks. AB - Studies of exposure to petroleum (crude oil/fuel) often involve monitoring benzene, toluene, ethylbenzene, xylenes (BTEX), and styrene (BTEXS) because of their toxicity and gas-phase prevalence, where exposure is typically by inhalation. However, BTEXS levels in the general U.S. population are primarily from exposure to tobacco smoke, where smokers have blood levels on average up to eight times higher than nonsmokers. This work describes a method using partition theory and artificial neural network (ANN) pattern recognition to classify exposure source based on relative BTEXS and 2,5-dimethylfuran blood levels. A method using surrogate signatures to train the ANN was validated by comparing blood levels among cigarette smokers from the National Health and Nutrition Examination Survey (NHANES) with BTEXS and 2,5-dimethylfuran signatures derived from the smoke of machine-smoked cigarettes. Classification agreement for an ANN model trained with relative VOC levels was up to 99.8% for nonsmokers and 100.0% for smokers. As such, because there is limited blood level data on individuals exposed to crude oil/fuel, only surrogate signatures derived from crude oil and fuel were used for training the ANN. For the 2007-2008 NHANES data, the ANN model assigned 7 out of 1998 specimens (0.35%) and for the 2013-2014 NHANES data 12 out of 2906 specimens (0.41%) to the crude oil/fuel signature category. PMID- 29216424 TI - Low Temperature Synthesis and Phosphorescence of Methylcyanotriacetylene. AB - This paper reports on UV-stimulated synthesis of methylcyanotriacetylene carried out in cryogenic rare gas matrixes via coupling of smaller precursors: propyne and cyanodiacetylene. The detection was possible due to the strong visible a 3A' > X 1A1 phosphorescence of CH3C7N, discovered in the course of this work. The ensuing measurements of electronic spectroscopy revealed the formally forbidden B 1E-X 1A1 system, as well as the allowed one E 1A1-X 1A1, with origins at approximately 3.32 and 5.4 eV, respectively. It was also possible to revisit the spectroscopic characterization of cyanotriacetylene, HC7N, formed in parallel to the title photoproduct. Spectral assignments were assisted with a density functional theory study. PMID- 29216423 TI - Nanoparticle Functionalization with Platelet Membrane Enables Multifactored Biological Targeting and Detection of Atherosclerosis. AB - Cardiovascular disease represents one of the major causes of death across the global population. Atherosclerosis, one of its most common drivers, is characterized by the gradual buildup of arterial plaque over time, which can ultimately lead to life-threatening conditions. Given the impact of the disease on public health, there is a great need for effective and noninvasive imaging modalities that can provide valuable information on its biological underpinnings during development. Here, we leverage the role of platelets in atherogenesis to design nanocarriers capable of targeting multiple biological elements relevant to plaque development. Biomimetic nanoparticles are prepared by coating platelet membrane around a synthetic nanoparticulate core, the product of which is capable of interacting with activated endothelium, foam cells, and collagen. The effects are shown to be exclusive to platelet membrane-coated nanoparticles. These biomimetic nanocarriers are not only capable of efficiently localizing to well developed atherosclerotic plaque, but can also target subclinical regions of arteries susceptible to plaque formation. Using a commonly employed magnetic resonance imaging contrast agent, live detection is demonstrated using an animal model of atherosclerosis. Ultimately, this strategy may be leveraged to better assess the development of atherosclerosis, offering additional information to help clinicians better manage the disease. PMID- 29216426 TI - Epoxy Nanocomposites Containing Zeolitic Imidazolate Framework-8. AB - Zeolitic imidazole framework-8 (ZIF-8) is utilized as a functional filler and a curing agent in the preparation of epoxy nanocomposites. The imidazole group on the surface of the ZIF-8 initiates epoxy curing, resulting in covalent bonding between the ZIF-8 crystals and epoxy matrix. A substantial reduction in dielectric constant and increase in tensile modulus were observed. The implication of the present study for utilization of metal-organic framework to improve physical and mechanical properties of polymeric matrixes is discussed. PMID- 29216425 TI - Replacing the Ethylmalonyl-CoA Pathway with the Glyoxylate Shunt Provides Metabolic Flexibility in the Central Carbon Metabolism of Methylobacterium extorquens AM1. AB - The ethylmalonyl-CoA pathway (EMCP) is an anaplerotic reaction sequence in the central carbon metabolism of numerous Proteo- and Actinobacteria. The pathway features several CoA-bound mono- and dicarboxylic acids that are of interest as platform chemicals for the chemical industry. The EMCP, however, is essential for growth on C1 and C2 carbon substrates and therefore cannot be simply interrupted to drain these intermediates. In this study, we aimed at reengineering central carbon metabolism of the Alphaproteobacterium Methylobacterium extorquens AM1 for the specific production of EMCP derivatives in the supernatant. Establishing a heterologous glyoxylate shunt in M. extorquens AM1 restored wild type-like growth in several EMCP knockout strains on defined minimal medium with acetate as carbon source. We further engineered one of these strains that carried a deletion of the gene encoding crotonyl-CoA carboxylase/reductase to demonstrate in a proof-of concept the specific production of crotonic acid in the supernatant on a defined minimal medium. Our experiments demonstrate that it is in principle possible to further exploit the EMCP by establishing an alternative central carbon metabolic pathway in M. extorquens AM1, opening many possibilities for the biotechnological production of EMCP-derived compounds in future. PMID- 29216427 TI - A Novel Microemulsion Phase Transition: Toward the Elucidation of Third-Phase Formation in Spent Nuclear Fuel Reprocessing. AB - We present evidence that the transition between organic and third phases, which can be observed in the plutonium uranium reduction extraction (PUREX) process at high metal loading, is an unusual transition between two isotropic bicontinuous microemulsion phases. As this system contains so many components, however, we have been seeking first to investigate the properties of a simpler system, namely, the related metal-free, quaternary water/n-dodecane/nitric acid/tributyl phosphate (TBP) system. This quaternary system has been shown to exhibit, under appropriate conditions, three coexisting phases: a light organic phase, an aqueous phase, and the so-called third phase. In the current work, we focused on the coexistence of the light organic phase with the third phase. Using Gibbs ensemble Monte Carlo (GEMC) simulations, we found coexistence of a phase rich in nitric acid and dilute in n-dodecane (the third phase) with a phase more dilute in nitric acid but rich in n-dodecane (the light organic phase). The compositions and densities of these two coexisting phases determined using the simulations were in good agreement with those determined experimentally. Because such systems are generally dense and the molecules involved are not simple, the particle exchange rate in their GEMC simulations can be rather low. To test whether a system having a composition between those of the observed third and organic phases is indeed unstable with respect to phase separation, we used the Bennett acceptance ratio method to calculate the Gibbs energies of the homogeneous phase and the weighted average of the two coexisting phases, where the compositions of these phases were taken both from experimental results and from the results of the GEMC simulations. Both demixed states were determined to have statistically significant lower Gibbs energies than the uniform, mixed phase, providing confirmation that the GEMC simulations correctly predicted the phase separation. Snapshots from the simulations and a cluster analysis of the organic and third phases revealed structures akin to bicontinuous microemulsion phases, with the polar species residing within a mesh and with the surface of the mesh formed by amphiphilic TBP molecules. The nonpolar n-dodecane molecules were observed in these snapshots to be outside this mesh. The only large-scale structural differences observed between the two phases were the dimensions of the mesh. Evidence for the correctness of these structures was provided by the results of small-angle X-ray scattering (SAXS) studies, where the profiles obtained for both the organic and third phases agreed well with those calculated from simulations. Finally, we looked at the microscopic structures of the two phases. In the organic phase, the basic motif was observed to be one nitric acid molecule hydrogen-bonded to a TBP molecule. In the third phase, the most common structure was that of the hydrogen-bonded TBP-HNO3-HNO3 chain. A cluster analysis provided evidence for TBP forming an extended, connected network in both phases. Studies of the effects of metal ions on these systems will be presented elsewhere. PMID- 29216428 TI - Strong Electronic Coupling of Molecular Sites to Graphitic Electrodes via Pyrazine Conjugation. AB - Glassy carbon electrodes were functionalized with redox-active moieties by condensation of o-phenylenediamine derivatives with o-quinone sites native to graphitic carbon surfaces. Electrochemical and spectroscopic investigations establish that these graphite-conjugated catalysts (GCCs) exhibit strong electronic coupling to the electrode, leading to electron transfer (ET) behavior that diverges fundamentally from that of solution-phase or surface-tethered analogues. We find that (1) ET is not observed between the electrode and a redox active GCC moiety regardless of applied potential. (2) ET is observed at GCCs only if the interfacial reaction is ion-coupled. (3) Even when ET is observed, the oxidation state of a transition metal GCC site remains unchanged. From these observations, we construct a mechanistic model for GCC sites in which ET behavior is identical to that of catalytically active metal surfaces rather than to that of molecules in solution. These results suggest that GCCs provide a versatile platform for bridging molecular and heterogeneous electrocatalysis. PMID- 29216429 TI - Insights into the Chemical Mechanism for CO2(aq) and H+ in Aqueous Diamine Solutions - An Experimental Stopped-Flow Kinetic and 1H/13C NMR Study of Aqueous Solutions of N,N-Dimethylethylenediamine for Postcombustion CO2 Capture. AB - In an effort to advance the understanding of multiamine based CO2 capture process absorbents, we report here the determination of the kinetic and equilibrium constants for a simple linear diamine N,N-dimethylethylenediamine (DMEDA) via stopped-flow spectrophotometric kinetic measurements and 1H/13C NMR titrations at 25.0 degrees C. From the kinetic data, the formation of monocarbamic acid (DMEDACOOH) from the reaction of DMEDA with CO2(aq) is the dominant reaction at high pH > 9.0 (k7 = 6.99 * 103 M-1.s-1). Below this pH, the formation of protonated monocarbamic acid (DMEDACOOH2) via the pathway involving DMEDAH+ and CO2(aq) becomes active and contributes to the kinetics despite the 107-fold decrease in the rate constant between the two pathways. 1H and 13C NMR spectra as a function of decreasing pH (increasing HCl concentration) at 25.0 degrees C have been evaluated here to confirm the protonation events in DMEDA. Calculations of the respective DMEDA nitrogen partial charges have also been undertaken to support the NMR protonation study. A comparison of the DMEDA kinetic constants with the corresponding data for piperazine (PZ) reveals that despite the larger basicity of DMEDA, the enhanced and superior kinetic performance of PZ with CO2(aq) above its predicted Bronsted reactivity is not observed in DMEDA. PMID- 29216430 TI - Nickel Nanoparticle Encapsulated in Few-Layer Nitrogen-Doped Graphene Supported by Nitrogen-Doped Graphite Sheets as a High-Performance Electromagnetic Wave Absorbing Material. AB - Herein we develop a facile strategy for fabricating nickel particle encapsulated in few-layer nitrogen-doped graphene supported by graphite carbon sheets as a high-performance electromagnetic wave (EMW) absorbing material. The obtained material exhibits sheetlike morphology with a lateral length ranging from a hundred nanometers to 2 MUm and a thickness of about 23 nm. Nickel nanoparticles with a diameter of approximately 20 nm were encapsulated in about six layers of nitrogen-doped graphene. As applied for electromagnetic absorbing material, the heteronanostructures exhibit excellent electromagnetic wave absorption property, comparable to most EMW absorbing materials previously reported. Typically, the effective absorption bandwidth (the frequency region falls within the reflection loss below -10 dB) is up to 8.5 GHz at the thicknesses of 3.0 mm for the heteronanostructures with the optimized Ni content. Furthermore, two processes, carbonization at a high temperature and subsequent treatment in hot acid solution, were involved in the preparation of the heteronanostructures, and thus, mass production was achieved easily, facilitating their practical applications. PMID- 29216431 TI - Photochemistry of Acetohydroxamic Acid in Solid Argon. FTIR and Theoretical Studies. AB - The products formed during exposure of the CH3CONHOH/Ar (AHA/Ar) matrices to the full output of the Xe lamp and to 225 nm OPO radiation are studied. The irradiation promotes the isomerization, 1Z -> 1E, and AHA photodissociation reactions. Four pairs of coproducts are experimentally found to appear in the photolysis, they form the complexes: CH3OH...HNCO (1), H2O...CH3NCO (2), H2O...CH3CNO (3) and CO...CH3NHOH (4). The structures of the complexes were optimized at the MP2 computational level with the 6-311++G(2d,2p) and aug-cc-pVTZ basis sets. Three local minima were predicted for the complex (1), two for the complexes (2) and (3) and four local minima were found for the complex (4). The comparison of the theoretical spectra with the experimental ones allowed us to determine the structures of the complexes formed in the matrix. The mechanisms of the reaction channels leading to formation of the four coproducts are proposed. It is concluded that the first step in formation of the (1), (2) and (3) complexes is the scission of the N-O bond whereas the creation of the complex (4) is due to the cleavage of the C-N bond. PMID- 29216432 TI - Mapping the Coulomb Environment in Interference-Quenched Ballistic Nanowires. AB - The conductance of semiconductor nanowires is strongly dependent on their electrostatic history because of the overwhelming influence of charged surface and interface states on electron confinement and scattering. We show that InAs nanowire field-effect transistor devices can be conditioned to suppress resonances that obscure quantized conduction thereby revealing as many as six sub bands in the conductance spectra as the Fermi-level is swept across the sub-band energies. The energy level spectra extracted from conductance, coupled with detailed modeling shows the significance of the interface state charge distribution revealing the Coulomb landscape of the nanowire device. Inclusion of self-consistent Coulomb potentials, the measured geometrical shape of the nanowire, the gate geometry and nonparabolicity of the conduction band provide a quantitative and accurate description of the confinement potential and resulting energy level structure. Surfaces of the nanowire terminated by HfO2 are shown to have their interface donor density reduced by a factor of 30 signifying the passivating role played by HfO2. PMID- 29216433 TI - Aging, Jamming, and the Limits of Stability of Amorphous Solids. AB - Apart from not having crystallized, supercooled liquids can be considered as being properly equilibrated and thus can be described by a few thermodynamic control variables. In contrast, glasses and other amorphous solids can be arbitrarily far away from equilibrium and require a description of the history of the conditions under which they formed. In this paper we describe how the locality of interactions intrinsic to finite-dimensional systems affects the stability of amorphous solids far off equilibrium. Our analysis encompasses both structural glasses formed by cooling and colloidal assemblies formed by compression. A diagram outlining regions of marginal stability can be adduced which bears some resemblance to the quasi-equilibrium replica meanfield theory phase diagram of hard sphere glasses in high dimensions but is distinct from that construct in that the diagram describes not true phase transitions but kinetic transitions that depend on the preparation protocol. The diagram exhibits two distinct sectors. One sector corresponds to amorphous states with relatively open structures, the other to high density, more closely packed ones. The former transform rapidly owing to there being motions with no free energy barriers; these motions are string-like locally. In the dense region, amorphous systems age via compact activated reconfigurations. The two regimes correspond, in equilibrium, to the collisional or uniform liquid and the so-called landscape regime, respectively. These are separated by a spinodal line of dynamical crossovers. Owing to the rigidity of the surrounding matrix in the landscape, high-density part of the diagram, a sufficiently rapid pressure quench adds compressive energy which also leads to an instability toward string-like motions with near vanishing barriers. Conversely, a dilute collection of rigid particles, such as a colloidal suspension leads, when compressed, to a spatially heterogeneous structure with percolated mechanically stable regions. This jamming corresponds to the onset of activation when the spinodal line is traversed from the low density side. We argue that a stable glass made of sufficiently rigid particles can also be viewed as exhibiting sporadic and localized buckling instabilities that result in local jammed structures. The lines of instability we discuss resemble the Gardner transition of meanfield systems but, in contrast, do not result in true criticality owing to being short-circuited by activated events. The locally marginally stable modes of motion in amorphous solids correspond to secondary relaxation processes in structural glasses. Their relevance to the low temperature anomalies in glasses is also discussed. PMID- 29216435 TI - Dysregulated Systemic Inflammation Favors Bacterial Growth and Development of Nosocomial Infections. PMID- 29216434 TI - Yale Integrative Medicine Leader, Ather Ali, ND, MPH, MHS (1975-2017). PMID- 29216436 TI - Altered muscarinic receptor expression in the cerebral cortex of epileptic rats: restorative role of Withania somnifera. AB - Temporal lobe epilepsy involves a sequence of events that can lead to neurotransmitter signalling alterations. There are many herbal extracts considered to be alternative therapeutic methods to manage epilepsy. In this study, we investigated the effect of Withania somnifera (WS) root extract and withanolide A (WA) in the management of temporal lobe epilepsy. Confocal imaging of TOPRO-3-stained cortical sections showed severe damage in the epileptic brain. We also observed a reduced antioxidant potential and increased peroxide levels in the epileptic test group of rats. Oxidative stress resulted in the down regulation of CREB, NF-kappaB, and TNF-alpha, and with up-regulation of the apoptotic factors caspases 8 and 3 and Bax in the epileptic group. Epileptic condition also resulted in increased muscarinic receptor binding and mRNA expression in the cerebral cortex. Withania somnifera and withanolide A significantly reversed the altered muscarinic receptor expression and reversed the oxidative stress and resultant derailment in cell signalling. Thus our studies suggest that Withania somnifera and withanolide A play important roles in central muscarinic receptor functional balance and activation of the antioxidant system in the cerebral cortex in temporal lobe epilepsy. These findings can be of immense therapeutic significance for managing epilepsy. PMID- 29216437 TI - Erythropoietin-Producing Hepatoma Receptor Tyrosine Kinase A2 Modulation Associates with Protective Effect of Prone Position in Ventilator-induced Lung Injury. AB - The erythropoietin-producing hepatoma (Eph) receptor tyrosine kinase A2 (EphA2) and its ligand, ephrinA1, play a pivotal role in inflammation and tissue injury by modulating the epithelial and endothelial barrier integrity. Therefore, EphA2 receptor may be a potential therapeutic target for modulating ventilator-induced lung injury (VILI). To support this hypothesis, here, we analyzed EphA2/ephrinA1 signaling in the process of VILI and determined the role of EphA2/ephrinA1 signaling in the protective mechanism of prone positioning in a VILI model. Wild type mice were ventilated with high (24 ml/kg; positive end-expiratory pressure, 0 cm; 5 h) tidal volume in a supine or prone position. Anti-EphA2 receptor antibody or IgG was administered to the supine position group. Injury was assessed by analyzing the BAL fluid, lung injury scoring, and transmission electron microscopy. Lung lysates were evaluated using cytokine/chemokine ELISA and Western blotting of EphA2, ephrinA1, PI3Kgamma, Akt, NF-kappaB, and P70S6 kinase. EphA2/ephrinA1 expression was higher in the supine high tidal volume group than in the control group, but it did not increase upon prone positioning or anti-EphA2 receptor antibody treatment. EphA2 antagonism reduced the extent of VILI and downregulated the expression of PI3Kgamma, Akt, NF-kappaB, and P70S6 kinase. These findings demonstrate that EphA2/ephrinA1 signaling is involved in the molecular mechanism of VILI and that modulation of EphA2/ehprinA1 signaling by prone position or EphA2 antagonism may be associated with the lung-protective effect. Our data provide evidence for EphA2/ehprinA1 as a promising therapeutic target for modulating VILI. PMID- 29216438 TI - Antiulcerative Activity of Milk Proteins Hydrolysates. AB - Several studies have shown the protective effect of dairy products, especially alpha-lactalbumin and derived hydrolysates, against induced gastric ulcerative lesions. The mucus strengthening represents an important mechanism in the defense of gastrointestinal mucosa. Previously, a hydrolysate from casein (CNH) and a hydrolysate from whey protein concentrate rich in beta-lactoglobulin (WPH) demonstrated a stimulatory activity on mucus production in intestinal goblet cells. The aim of this work was to evaluate the possible antiulcerative activity of these two hydrolysates in an ethanol-induced ulcer model in rats. All tested samples significantly reduced the ulcerative lesions index (ULI), compared with the saline solution, using doses of 300 and 1000 mg kg-1 body weight with decreases up to 66.3% ULI. A dose-response relationship was found for both hydrolysates. The involvement of endogenous sulfhydryl (SH) groups and prostaglandins (PGs) in the antiulcerative activity was evaluated using their blockage. The antiulcerative activity of WPH showed a drastic decrease in presence of N-ethylmaleimide (from 41.4% to 9.2% ULI). However, the CNH antiulcerative properties were not significantly affected. The cytoprotective effect of WPH appears to depend on a PG-mediated mechanism. In conclusion, CNH and WPH demonstrated in vivo antiulcerative properties and represent a promising alternative as protectors of the gastric mucosa. PMID- 29216440 TI - An Interdisciplinary Approach to Implementing a Best Practice Guideline in Public Health. AB - This article describes how one Ontario Public Health Unit implemented a best practice guideline throughout the organization and across disciplines to achieve best practice outcomes in the delivery of client-centered care. Integration of evidence-informed practice presents challenges for both implementation and sustainability. Applying a best practice guideline in the public health setting can add to the challenge. To address this, a variety of interventions were applied: building an interdisciplinary team, adapting a Registered Nurses' Association of Ontario Best Practice Guideline to reflect public health practice for nursing and other disciplines, developing a working definition of "client," engaging staff in knowledge translation, developing policy to support practice change, and incorporating client-centered care principles into daily practice. Outcomes indicate that nursing best practice guidelines, specific to client centered care, can be successfully adapted and applied in public health practice. Considerations include the varied definitions of a "client," the various roles of public health professionals, and engagement of both internal and external clients. Moreover, interdisciplinary staff can apply the principles of client centered care when working with clients and when engaging in education-, practice , and policy-level initiatives to support evidence-informed practice. PMID- 29216439 TI - Gender Differences in Social Cognition: A Cross-Sectional Pilot Study of Recently Diagnosed Patients with Schizophrenia and Healthy Subjects. AB - OBJECTIVES: This study had 2 objectives: First, to explore the gender-related differences in emotional processing (EP) and theory of mind-both cognitive (CToM) and affective (AToM)-in patients with schizophrenia and in a control group of healthy subjects; and, second, to examine, from a gender perspective, the possible association between EP and CToM in the AToM performance. METHODS: Forty patients with schizophrenia/schizoaffective disorder were recruited and matched by gender, age and years of education with 40 healthy subjects. EP was measured by the pictures of facial affect (POFA) test. CToM was measured using first- and second-order false-belief (FB) stories. AToM was measured by the reading the mind in the eyes test (RMET). Group and gender differences in CToM were analysed using the X2 test, whereas EP and AToM were analysed using the non-parametric Mann Whitney U Test and a general linear model. Results were adjusted by intelligence quotient and negative symptomatology. RESULTS: Patients with schizophrenia underperformed against healthy subjects in the POFA test, second-order FB, and RMET, but not in first-order FB. No significant gender differences were found. However, there was a trend showing that females outperformed males in the POFA ( P = 0.056). Group ( P < 0.001), POFA ( P < 0.001) and second-order FB ( P = 0.022) were the best factors predicting RMET performance (adjusted R2 = 0.584). CONCLUSIONS: Our results suggest that the illness is the main factor related to the deficit in social cognition, except for the basic aspects of the CToM that were unimpaired in most patients. Nevertheless, the influence of female gender in EP should not be neglected in any group. Finally, the hierarchal interaction between these domains is discussed. PMID- 29216441 TI - Change in Sense of Nondual Awareness and Spiritual Awakening in Response to a Multidimensional Well-Being Program. AB - OBJECTIVE: This study examined the effects of a comprehensive mind-body program on sense of nondual awareness and spiritual awakening. DESIGN AND INTERVENTION: The study compared the effects of participation in an intensive 6-day Ayurveda based mind-body program that addressed physical, emotional, and spiritual domains as compared with a control condition. SETTING: Resort setting. SUBJECTS: Participants were 69 healthy women and men (mean age 53.9 years; range 32-86). OUTCOME MEASURE: The primary outcome was the Nondual Embodiment Thematic Inventory (NETI). RESULTS: A significant group by time interaction (p = 0.029) indicated that after the intervention, participants in the mind-body program showed a significant increase in NETI scores (p < 0.03), which was sustained 1 month later (p < 0.01). CONCLUSION: Findings suggest that an intensive program providing holistic instruction and experience in mind-body practices can lead to a significant and sustained shift in perception of self-awareness, one that is likely favorable to well-being. PMID- 29216442 TI - Lycopene depresses glutamate release through inhibition of voltage-dependent Ca2+ entry and protein kinase C in rat cerebrocortical nerve terminals. AB - Lycopene is a natural dietary carotenoid that was reported to exhibit a neuroprotective profile. Considering that excitotoxicity and cell death induced by glutamate are involved in many brain disorders, the effect of lycopene on glutamate release in rat cerebrocortical nerve terminals and the possible mechanism involved in such effect was investigated. We observed here that lycopene inhibited 4-aminopyridine (4-AP)-evoked glutamate release and intrasynaptosomal Ca2+ concentration elevation. The inhibitory effect of lycopene on 4-AP-evoked glutamate release was markedly reduced in the presence of the Cav2.2 (N-type) and Cav2.1 (P/Q-type) channel blocker omega-conotoxin MVIIC, but was insensitive to the intracellular Ca2+-release inhibitors dantrolene and CGP37157. Furthermore, in the presence of the protein kinase C inhibitors GF109203X and Go6976, the action of lycopene on evoked glutamate release was prevented. These results are the first to suggest that lycopene inhibits glutamate release from rat cortical synaptosomes by suppressing presynaptic Ca2+ entry and protein kinase C activity. PMID- 29216443 TI - Genetic classification of Aegilops columnaris Zhuk. (2n=4x=28, UcUcXcXc) chromosomes based on FISH analysis and substitution patterns in common wheat * Ae. columnaris introgressive lines. AB - Aegilops columnaris is a tetraploid species originated from Ae. umbellulata (2n=2x=14, UU) and a yet unknown diploid grass species. Although Ae. columnaris possesses some agronomically valuable traits, such as heat and drought tolerance and resistance to pests, it has never been used in wheat breeding because of difficulties in producing hybrids and a lack of information on the relationships between Ae. columnaris and common wheat chromosomes. In this paper, we report the development of 57 wheat - Ae. columnaris introgressive lines covering 8 of the14 chromosomes of Aegilops. Based on substitution spectra of hybrids and the results of FISH analysis of the parental Ae. columnaris line with seven DNA probes, we have developed the genetic nomenclature of the Uc and Xc chromosomes. Genetic groups and genome affinities were established for 11 of 14 chromosomes; the classification of the remaining three chromosomes remains unsolved. Each Ae. columnaris chromosome was characterized on the basis of C-banding pattern and the distribution of seven DNA sequences. Introgression processes were shown to depend on the parental wheat genotype and the level of divergence of homoeologous chromosomes. We found that lines carrying chromosome 5Xc are resistant to leaf rust; therefore, this chromosome could possess novel resistance genes that have never been utilized in wheat breeding. PMID- 29216444 TI - Under Pressure to Clarify Pulmonary Hypertension Clinical Risk. PMID- 29216445 TI - Home-based Approach Noninferior to Hospital-based Approach in Managing Patients with Suspected Obstructive Sleep Apnea Syndrome. PMID- 29216447 TI - Expectations about recipients' prosociality and mental time travel relate to resource allocation in preschoolers. AB - Previous studies have revealed that preschoolers selectively allocate their resources based on their social relationship with recipients such as friendship. In this investigation, we investigated how expectations about recipients' prosociality and the ability of future thinking relate to the selective allocation of resources. In Study 1, participants aged 3.5-6 years chose how to allocate resources from two ways (selfish allocation, where only the participants could receive stickers, and equal allocation, where the participants and recipients receive get the same number of stickers) in costly and non-costly situations with three recipients (friend, peer, and stranger). Participants were asked to state which alternatives the recipients would choose if they were given a choice. The results showed that children aged 5 and 6 years tended to choose equal allocation of resources when they expected the recipients to do the same both in costly and non-costly situations. This tendency was not observed in children aged 3.5 and 4 years. In Study 2, the relationships between selectivity in non-costly allocation and two facets of future thinking (delay of gratification and mental time travel) were investigated in children aged 5 and 6 years. The results suggested that children with a higher mental time travel ability tended to be more selective in allocating resources based on social relationships; they tended to allocate more resources to the friend and fewer to the peer. Our findings suggest that expectations about a recipient's prosociality and the ability of mental time travel affect selectivity of resource allocation in children aged 5 and 6 years. PMID- 29216446 TI - Comparison of 2 weekly-equalized volume resistance-training routines using different frequencies on body composition and performance in trained males. AB - The present study compared the effects of 2 weekly-equalized volume and relative load interventions on body composition, strength, and power. Based on individual baseline maximal strength values, 18 recreationally trained men were pair-matched and consequently randomly assigned to one of the following experimental groups: a low volume per session with a high frequency (LV-HF, n = 9) group who trained for 4 days (Mondays, Tuesdays, Thursdays, and Fridays) or a high volume per session and low frequency (HV-LF, n = 9) group who trained for 2 days (Mondays and Thursdays). Both groups performed 2 different routines over 6 weeks. Participants were tested pre- and post- intervention for maximal strength, upper body power, fat-free mass, limb circumferences, and muscle thickness. Compared with baseline values, both groups increased their fat-free mass (HV-LF: +1.19 +/- 1.94; LV-HF: +1.36 +/- 1.06 kg, p < 0.05) and vastus medialis thickness (HV-LF: +2.18 +/- 1.88, p < 0.01; LV-HF: +1.82 +/- 2.43 mm, p < 0.05), but only the HV-LF group enhanced arm circumference (1.08 +/- 1.47 cm, p < 0.05) and elbow flexors thickness (2.21 +/- 2.81 mm, P < 0.01) values and decreased their fat mass (-2.41 +/- 1.10, P < 0.01). Both groups improved (p < 0.01) the maximal loads lifted in the bench press (LV-HF: +0.14 +/- 0.01; HV-LF: +0.14 +/- 0.01 kg.body mass-1) and the squat (LV-HF: +0.14 +/- 0.06; HV-LF: 0.17 +/- 0.01 kg.body mass-1) exercises as well as in upper body power (LV-HF: +0.22 +/- 0.25; HV-LF: +0.27 +/- 0.22 W.body mass-1) Although both training strategies improved performance and lower body muscle mass, only the HV-LF protocol increased upper body hypertrophy and improved body composition. PMID- 29216448 TI - Age-Dependent Effects of apoE Reduction Using Antisense Oligonucleotides in a Model of beta-amyloidosis. AB - The apolipoprotein E (APOE) gene is the strongest genetic risk factor for late onset Alzheimer disease. Previous studies suggest that reduction of apoE levels through genetic manipulation can reduce Abeta pathology. However, it is not clear how reduction of apoE levels after birth would affect amyloid deposition. We utilize an antisense oligonucleotide (ASO) to reduce apoE expression in the brains of APP/PS1-21 mice homozygous for the APOE-epsilon4 or APOE-epsilon3 allele. ASO treatment starting after birth led to a significant decrease in Abeta pathology when assessed at 4 months. Interestingly, ASO treatment starting at the onset of amyloid deposition led to an increase in Abeta plaque size and a reduction in plaque-associated neuritic dystrophy with no change in overall plaque load. These results suggest that lowering apoE levels prior to plaque deposition can strongly affect the initiation of Abeta pathology while lowering apoE after Abeta seeding modulates plaque size and toxicity. PMID- 29216449 TI - ApoE4 Accelerates Early Seeding of Amyloid Pathology. AB - Accumulation and aggregation of amyloid-beta (Abeta) in the brain is an initiating step in the pathogenesis of Alzheimer's disease (AD). The epsilon4 allele of apolipoprotein E (apoE) gene is the strongest genetic risk factor for late-onset AD. Although there is strong evidence showing that apoE4 enhances amyloid pathology, it is not clear what the critical stage(s) is during amyloid development in which apoE4 has the strongest impact. Using apoE inducible mouse models, we show that increased expression of astrocytic apoE4, but not apoE3, during the seeding stage of amyloid development enhanced amyloid deposition and neuritic dystrophy in amyloid model mice. ApoE4, but not apoE3, significantly increased brain Abeta half-life measured by in vivo microdialysis. Furthermore, apoE4 expression increased whereas apoE3 reduced amyloid-related gliosis in the mouse brains. Together, our results demonstrate that apoE4 has the greatest impact on amyloid during the seeding stage, likely by perturbing Abeta clearance and enhancing Abeta aggregation. PMID- 29216451 TI - Mechanosensory-Based Phase Coding of Odor Identity in the Olfactory Bulb. AB - Mitral and tufted (M/T) cells in the olfactory bulb produce rich temporal patterns of activity in response to different odors. However, it remains unknown how these temporal patterns are generated and how they are utilized in olfaction. Here we show that temporal patterning effectively discriminates between the two sensory modalities detected by olfactory sensory neurons (OSNs): odor and airflow driven mechanical signals. Sniff-induced mechanosensation generates glomerulus specific oscillatory activity in M/T cells, whose phase was invariant across airflow speed. In contrast, odor stimulation caused phase shifts (phase coding). We also found that odor-evoked phase shifts are concentration invariant and stable across multiple sniff cycles, contrary to the labile nature of rate coding. The loss of oscillatory mechanosensation impaired the precision and stability of phase coding, demonstrating its role in olfaction. We propose that phase, not rate, coding is a robust encoding strategy of odor identity and is ensured by airflow-induced mechanosensation in OSNs. PMID- 29216452 TI - DISC1 Regulates Neurogenesis via Modulating Kinetochore Attachment of Ndel1/Nde1 during Mitosis. PMID- 29216453 TI - A Sensorimotor Circuit in Mouse Cortex for Visual Flow Predictions. PMID- 29216450 TI - Endocannabinoid Actions on Cortical Terminals Orchestrate Local Modulation of Dopamine Release in the Nucleus Accumbens. AB - Dopamine (DA) transmission mediates numerous aspects of behavior. Although DA release is strongly linked to firing of DA neurons, recent developments indicate the importance of presynaptic modulation at striatal dopaminergic terminals. The endocannabinoid (eCB) system regulates DA release and is a canonical gatekeeper of goal-directed behavior. Here we report that extracellular DA increases induced by selective optogenetic activation of cholinergic neurons in the nucleus accumbens (NAc) are inhibited by CB1 agonists and eCBs. This modulation requires CB1 receptors on cortical glutamatergic afferents. Dopamine increases driven by optogenetic activation of prefrontal cortex (PFC) terminals in the NAc are similarly modulated by activation of these CB1 receptors. We further demonstrate that this same population of CB1 receptors modulates optical self-stimulation sustained by activation of PFC afferents in the NAc. These results establish local eCB actions on PFC terminals within the NAc that inhibit mesolimbic DA release and constrain reward-driven behavior. PMID- 29216454 TI - Fibrinogen in the Nervous System: Glia Beware. AB - Re-myelination of CNS nerves after injury is ineffective. Here, Petersen et al. (2017) show that the blood clotting protein fibrinogen inhibits nerve repair by preventing oligodendrocyte progenitor cells from differentiating into myelinating oligodendrocytes. Targeting fibrinogen or its downstream BMP signaling pathway may help with CNS repair. PMID- 29216455 TI - Seeds of Destruction: New Mechanistic Insights into the Role of Apolipoprotein E4 in Alzheimer's Disease. AB - Apolipoprotein E4 (apoE4) is the strongest genetic risk factor for Alzheimer's disease. Despite nearly 25 years of research, the mechanism by which apoE4 confers increased risk for Alzheimer's disease remains enigmatic. In this issue of Neuron, Liu et al. (2017) and Huynh et al. (2017) shed new light on this important question. PMID- 29216456 TI - Homeostatic Scaling of AMPA Receptors by Semaphorin. AB - Regulation of AMPA receptors mediates homeostatic scaling. In this issue of Neuron, Wang et al. (2017) identify a new role of secreted semaphorin 3F and elucidate how it triggers synaptic downscaling of AMPA receptors through regulation of the binding of Sema3F holoreceptor complex to AMPA receptors. PMID- 29216457 TI - A Sing-Song Way of Vocalizing: Generalization and Specificity in Language and Birdsong. AB - Spoken languages such as German are extremely discrete, whereas others such as Portuguese are melodic or "sing-song" wherein identifying a word relies on what comes before and after. Perhaps surprisingly, birdsong also exhibits specificity and generalization as articulated by Tian and Brainard (2017). PMID- 29216458 TI - A Commitment to Open Source in Neuroscience. AB - Modern neuroscience increasingly relies on custom-developed software, but much of this is not being made available to the wider community. A group of researchers are pledging to make code they produce for data analysis and modeling open source, and are actively encouraging their colleagues to follow suit. PMID- 29216459 TI - Pushing the Boundaries of Neuroimaging with Optoacoustics. AB - With the central ability to visualize a variety of endogenous chromophores and biomarkers or exogenous contrast agents, optoacoustic (photoacoustic) imaging empowers new experimental capabilities for investigating brain mechanisms and functions. Here, the operational principles of optoacoustic neuroimaging are reviewed in conjunction with recent advances enabling high-resolution and real time observation, which extend beyond the reach of optical imaging methods. Multiple implementations of optoacoustics for monitoring hemodynamics and neuro vascular responses in the brain are showcased. The unique capabilities of optoacoustic imaging for multi-spectral cellular and molecular sensing are discussed with reference to recent application for visualizing healthy and diseased brains. Outstanding challenges in the field are considered in the context of current and future applications of optoacoustic neuroimaging for basic and translational neuroscience research. In pushing the boundaries of brain imaging, optoacoustic methods afford major insights into the neuronal mechanisms of brain functions and organization of behavior. PMID- 29216460 TI - Getting a Handle on Neuropharmacology by Targeting Receptor-Associated Proteins. AB - Targeted therapy for neuropsychiatric disorders requires selective modulation of dysfunctional neuronal pathways. Receptors relevant to CNS disorders typically have associated proteins discretely expressed in specific neuronal pathways; these accessory proteins provide a new dimension for drug discovery. Recent studies show that targeting a TARP auxiliary subunit of AMPA receptors selectively modulates neuronal excitability in specific forebrain pathways relevant to epilepsy. Other medicinally important ion channels, gated by glutamate, gamma-aminobutyric acid (GABA), and acetylcholine, also have associated proteins, which may be druggable. This emerging pharmacology of receptor-associated proteins provides a new approach for improving drug efficacy while mitigating side effects. PMID- 29216461 TI - Associations of environmental exposure to metals with the risk of hypertension in China. AB - Hypertension contributes largely to the global burden of disease and mortality. Environmental exposure to metals might be a causative factor for hypertension, but the association remains unclear. The present case-control study of 502 hypertension patients and 502 healthy participants aimed to evaluate the potential relationships between the concentrations of 20 metal in urine and the risk of hypertension in a Chinese population. Multivariate logistic analyses adjusted for potential confounders were performed separately considering the effects of single and multi-metal. We found the increasing trends of urinary Fe, Co, Ni, Cu, Zn and Sr quartiles and the decreasing trends of urinary V and Rb quartiles with the ORs for hypertension. These dose-response associations were confirmed in the RCS models and remained robust in the multi-metal model. Urinary Hg quartiles were positively associated with the risk of hypertension in the models of single-metal and multi-metal. Urinary Cd quartiles were inversely associated with the risk of hypertension in the multi-metal model. Besides, modification effects of gender, BMI and smoking status on the associations of the exposure to various metals with the risk of hypertension were also suggested in the subgroup analysis. Our findings suggest that environmental exposure to V, Fe, Co, Ni, Cu, Zn, Rb, Sr, Cd and Hg might be related with the prevalence of hypertension. Further studies with prospective design should be conducted to confirm these findings. PMID- 29216462 TI - Soil moisture and texture primarily control the soil nutrient stoichiometry across the Tibetan grassland. AB - Soil nutrient stoichiometry and its environmental controllers play vital roles in understanding soil-plant interaction and nutrient cycling under a changing environment, while they remain poorly understood in alpine grassland due to lack of systematic field investigations. We examined the patterns and controls of soil nutrients stoichiometry for the top 10cm soils across the Tibetan ecosystems. Soil nutrient stoichiometry varied substantially among vegetation types. Alpine swamp meadow had larger topsoil C:N, C:P, N:P, and C:K ratios compared to the alpine meadow, alpine steppe, and alpine desert. In addition, the presence or absence of permafrost did not significantly impact soil nutrient stoichiometry in Tibetan grassland. Moreover, clay and silt contents explained approximately 32.5% of the total variation in soil C:N ratio. Climate, topography, soil properties, and vegetation combined to explain 10.3-13.2% for the stoichiometry of soil C:P, N:P, and C:K. Furthermore, soil C and N were weakly related to P and K in alpine grassland. These results indicated that the nutrient limitation in alpine ecosystem might shifts from N-limited to P-limited or K-limited due to the increase of N deposition and decrease of soil P and K contents under the changing climate conditions and weathering stages. Finally, we suggested that soil moisture and mud content could be good predictors of topsoil nutrient stoichiometry in Tibetan grassland. PMID- 29216463 TI - Application of double-focusing sector field ICP-MS for determination of ultratrace constituents in samples characterized by complex composition of the matrix. AB - The performance of double focusing, sector field mass spectrometry (ICP-SFMS) for determination of analytes, including technology critical elements (TCE), at ultra trace levels in environmental and clinical matrices was critically evaluated. Different configurations of the ICP-SFMS introduction system as well as various sample preparations, pre-concentration and matrix separation methods were employed and compared. Factors affecting detection capabilities and accuracy of data produced (instrumental sensitivity, contamination risks, purity of reagents, spectral interferences, matrix effects, analyte recovery and losses) were discussed. Optimized matrix-specific methods were applied to a range of reference and control materials (riverine, brackish and seawaters; whole blood, serum and urine) as well as tap water and snow samples collected in the area of Lulea city, northern Sweden; brackish and seawater from the Laptev Sea; venous blood samples with a special emphasis on determination of Au, Ag, Ir, Os, Pd, Pt, Re, Rh, Ru, Sb and Te. Even though these low abundant elements are relatively under documented, the results produced were compared with published data, where available. PMID- 29216464 TI - Traffic pollutants measured inside vehicles waiting in line at a major US-Mexico Port of Entry. AB - At US-Mexico border Ports of Entry, vehicles idle for long times waiting to cross northbound into the US. Long wait times at the border have mainly been studied as an economic issue, however, exposures to emissions from idling vehicles can also present an exposure risk. Here we present the first data on in-vehicle exposures to driver and passengers crossing the US-Mexico border at the San Ysidro, California Port of Entry (SYPOE). Participants were recruited who regularly commuted across the border in either direction and told to drive a scripted route between two border universities, one in the US and one in Mexico. Instruments were placed in participants' cars prior to commute to monitor-1-minute average levels of the traffic pollutants ultrafine particles (UFP), black carbon (BC) and carbon monoxide (CO) in the breathing zone of drivers and passengers. Location was determined by a GPS monitor. Results reported here are for 68 northbound participant trips. The highest median levels of in-vehicle UFP were recorded during the wait to cross at the SYPOE (median 29,692particles/cm3) significantly higher than the portion of the commute in the US (median 20,508particles/cm3) though not that portion in Mexico (median 22, 191particles/cm3). In-vehicle BC levels at the border were significantly lower than in other parts of the commute. Our results indicate that waiting in line at the SYPOE contributes a median 62.5% (range 15.5%-86.0%) of a cross-border commuter's exposure to UFP and a median 44.5% (range (10.6-79.7%) of exposure to BC inside the vehicle while traveling in the northbound direction. Reducing border wait time can significantly reduce in vehicle exposures to toxic air pollutants such as UFP and BC, and these preventable exposures can be considered an environmental justice issue. PMID- 29216465 TI - Optical source profiles of brown carbon in size-resolved particulate matter from typical domestic biofuel burning over Guanzhong Plain, China. AB - In this study, both PM2.5 and size-resolved source samples were collected from a "heated kang" and an advanced stove to investigate the optical properties of brown carbon (BrC). The light-absorption coefficient (babs), the absorption Angstrom exponent (AAE), and the mass absorption cross-section (MAC) of both water and methanol-extracted BrC were investigated. The methanol-extracted BrC (BrCmethanol) had higher light absorption than water-extracted BrC (BrCwater). The value of PM2.5 babs of BrCmethanol at 365nm (babs365,methanol) dramatically decreased from 64,669.8Mm-1 for straw burning in the "heated kang" to 1169.2Mm-1 for maize straw briquettes burning in the advanced stove at the same burning rate. The value of PM2.5 MAC for BrCmethanol at 365nm (MAC365,methanol) decreased from 1.8m2g-1 in the "heated kang" to 1.3m2g-1 in the advanced stove. For smoldering burning in the "heated kang", babs365,methanol, MAC365,methanol, and K+ showed a unimodal distribution that peaked at sizes <0.4MUm. However, the babs365,methanol and MAC365,methanol size distributions of the briquette burning in the advanced stove showed a bimodal pattern, with a large peak at sizes <0.4MUm and a minor peak in the size range of 4.7-5.8MUm. The babs365,methanol value for sizes <0.4MUm (277.4Mm-1) was only 12.3% compared to those obtained from the "heated kang". The burning rate did not influence the size distribution pattern of either the "heated kang" or the advanced stove. Results from a radiative model show that biomass burning is an important factor for light absorptivity, and the use of an advanced stove can reduce the simple forcing efficiency value by nearly 20% in UV bands compared to the "heated kang". Our results indicate that changing the combustion style from maize straw smoldering to briquette burning in an advanced stove can effectively reduce BrC emissions during heating seasons in rural areas of Guanzhong Plain. PMID- 29216466 TI - The spatiotemporal transmission of dengue and its driving mechanism: A case study on the 2014 dengue outbreak in Guangdong, China. AB - Dengue transmission is a complex spatiotemporal process with hidden interactions between hosts, vectors, and viruses as well as environment. This study aims to identify the transmission patterns and the driving mechanism that contributed to the dengue epidemics occurred in Guangdong Province of China in 2014. Based on the city-specific epidemiological, meteorological, demographic and geographic data, we first performed wavelet analysis and then integrated the key dynamics (i.e., mosquito population dynamics, human movement, virus transmission, and parameter estimation) into a transmission model. Using these methods, we found a clear temporal sequence and correlation of dengue transmission between cities, and such relationship is associated with socioeconomic factors. We further obtained the specific component of dengue incidence data in each city, and presented the underlying infectivity networks for characterizing how dengue transmits from one location to another. The results showed that the communication of in-out infections with Guangzhou and Foshan could be responsible for the large scale diffusion of dengue epidemics in Guangdong in 2014. Our findings can offer new insights into how to improve the predictability and risk assessment of dengue transmission. PMID- 29216467 TI - Drivers of dissolved organic carbon export in a subarctic catchment: Importance of microbial decomposition, sorption-desorption, peatland and lateral flow. AB - Tundra soils account for 50% of global stocks of soil organic carbon (SOC), and it is expected that the amplified climate warming in high latitude could cause loss of this SOC through decomposition. Decomposed SOC could become hydrologically accessible, which increase downstream dissolved organic carbon (DOC) export and subsequent carbon release to the atmosphere, constituting a positive feedback to climate warming. However, DOC export is often neglected in ecosystem models. In this paper, we incorporate processes related to DOC production, mineralization, diffusion, sorption-desorption, and leaching into a customized arctic version of the dynamic ecosystem model LPJ-GUESS in order to mechanistically model catchment DOC export, and to link this flux to other ecosystem processes. The extended LPJ-GUESS is compared to observed DOC export at Stordalen catchment in northern Sweden. Vegetation communities include flood tolerant graminoids (Eriophorum) and Sphagnum moss, birch forest and dwarf shrub communities. The processes, sorption-desorption and microbial decomposition (DOC production and mineralization) are found to contribute most to the variance in DOC export based on a detailed variance-based Sobol sensitivity analysis (SA) at grid cell-level. Catchment-level SA shows that the highest mean DOC exports come from the Eriophorum peatland (fen). A comparison with observations shows that the model captures the seasonality of DOC fluxes. Two catchment simulations, one without water lateral routing and one without peatland processes, were compared with the catchment simulations with all processes. The comparison showed that the current implementation of catchment lateral flow and peatland processes in LPJ GUESS are essential to capture catchment-level DOC dynamics and indicate the model is at an appropriate level of complexity to represent the main mechanism of DOC dynamics in soils. The extended model provides a new tool to investigate potential interactions among climate change, vegetation dynamics, soil hydrology and DOC dynamics at both stand-alone to catchment scales. PMID- 29216468 TI - Determination of legacy and novel brominated flame retardants in dust from end of life office equipment and furniture from Pretoria, South Africa. AB - Indoor dust is known to be a source of human exposure to brominated flame retardants (BFRs) and these consists of the legacy polybrominated diphenyl ethers (PBDEs), total hexabromocyclododecane (T-HBCDD) and the "Novel or alternate" Brominated flame retardants (NBFRs). In this study, x-ray fluorescence (XRF) analyser was employed to measure elemental bromine contents in office furniture and electronics as the first indication of the possible presence of BFRs. To investigate the possible BFRs present, a total of 21 dust samples were collected from surfaces of electronic equipment and office furniture and were analysed using gas chromatography-mass spectrometry (GC-MS). The concentrations of ?7 BDE- congeners ranged from 50 to 3346ngng-1. Of the ?7 BDE congeners analysed, BDE 209, -183 and -99 were the most dominant congeners. The concentrations observed ranged from 2 years after surgery). Six key occlusion parameters were assessed: overjet, overbite, coincidence of dental midlines, canine Angle classification, and molar vertical and transverse positions. The second outcome variable was the facial esthetic results. Photographs in 6 views were analyzed to document 7 facial contour characteristics. RESULTS: Seventy eight patients met the inclusion criteria. Average age at surgery was 24 years (range, 13 to 54 yr). The study included 53 female patients (68%). Findings confirmed that occlusion after initial surgical healing (T2) met the objectives for all parameters in 97% of patients (76 of 78). Most (68 of 78; 87%) maintained a favorable anterior and posterior occlusion for each parameter studied long-term (mean, 5 years 5 months). Facial contour deformities at presentation included prominent nose (63%), flat cheekbones (96%), flat midface (96%), weak chin (91%), obtuse neck-to-chin angle (56%), wide lip separation (95%), and excess maxillary dental show (99%). Correction of all pretreatment facial contour deformities was confirmed in 92% of patients after surgery. Long face patients with higher preoperative body mass index levels were more likely to have residual facial dysmorphology after surgery (P = .0009). CONCLUSION: Using orthognathic surgery techniques, patients with LF dentofacial deformity achieved the planned occlusion and most maintained the corrected occlusion long-term. In unoperated patients with LF, a "facial esthetic type" was identified. Orthognathic surgery proved effective in correcting associated facial dysmorphology in most patients. PMID- 29216473 TI - The natural sesquiterpene lactones arglabin, grosheimin, agracin, parthenolide, and estafiatin inhibit T cell receptor (TCR) activation. AB - Inhibition of the T cell receptor (TCR) pathway represents an effective strategy for the treatment of T cell-mediated inflammatory and autoimmune diseases. To identify natural compounds that could inhibit inflammatory T cell responses, we screened 13 sesquiterpene lactones, including achillin, arglabin, argolide, argracin, 3beta-hydroxyarhalin, artesin, artemisinin, estafiatin, grosheimin, grossmisin, leucomisine, parthenolide, and taurine, for their ability to modulate activation-induced Ca2+ mobilization in Jurkat T cells. Five of the compounds (arglabin, grosheimin, argracin, parthenolide, and estafiatin) inhibited anti-CD3 induced mobilization of intercellular Ca2+ ([Ca2+]i) in Jurkat cells, with the most potent being parthenolide and argacin (IC50 = 5.6 and 6.1 MUM, respectively). Likewise, phosphorylation of extracellular signal-regulated kinase (ERK) 1/2 in activated Jurkat cells was inhibited by these five compounds, with the most potent being parthenolide and estafiatin (IC50 = 13.8 and 15.4 MUM, respectively). These compounds also inhibited ERK1/2 phosphorylation in primary human T cells and depleted intracellular glutathione. In contrast, none of the sesquiterpene lactones inhibited ERK1/2 phosphorylation in HL60 cells transfected with N-formyl peptide receptor 2 (FPR2) and stimulated with the FPR2 peptide agonist WKYMVM, indicating specificity for T cell activation. Estafiatin, a representative sesquiterpene lactone, was also profiled in a cell-based phosphokinase array for 43 kinase phosphorylation sites, as well as in a cell free competition binding assay for its ability to compete with an active-site directed ligand for 95 different protein kinases. Besides inhibition of ERK1/2 phosphorylation, estafiatin also inhibited phosphorylation of p53, AMPKalpha1, CREB, and p27 elicited by TCR activation in Jurkat cells, but it did not bind to any of 95 kinases evaluated. These results suggest that arglabin, grosheimin, agracin, parthenolide, and estafiatin can selectively inhibit initial phases of TCR activation and may be natural compounds with previously undescribed immunotherapeutic properties. PMID- 29216476 TI - Is There a Role for Oxidative Stress in Temporomandibular Joint Disorders? AB - PURPOSE: Data on the role of oxidative stress in temporomandibular joint (TMJ) disorders are limited. This study compared serum levels of oxidative stress indicators and antioxidant enzymes in patients with TMJ disorders. PATIENTS AND METHODS: In this prospective study, patients with TMJ disorders and healthy controls were compared for descriptive characteristics (age and gender) and serum levels of malondialdehyde (MDA), an oxidative stress marker, and antioxidant enzymes catalase (CAT), glutathione (GSH), and superoxide dismutase (SOD). RESULTS: This study included 32 patients with TMJ disorders and 32 healthy controls. There were no differences between the 2 groups for age (P = .98) and gender (P = .599). MDA levels were higher in the TMJ disorders group than in the control group (P < .001), whereas serum levels of CAT, SOD, and GSH were significantly higher in the control group (P < .001 for all comparisons). There was no correlation between age or gender and MDA, SOD, CAT, and GSH levels in the TMJ disorders or control group. CONCLUSION: Oxidative stress markers might have promising potential as biomarkers in the diagnostic strategy and therapeutic targets of TMJ disorders. PMID- 29216477 TI - Human laterality for manipulation and gestural communication related to 60 everyday activities: Impact of multiple individual-related factors. AB - Literature on laterality emphasises the importance of implementing a comprehensive investigation of humans' and non-humans' laterality for both non communication and communication functions. Adopting a global approach should enhance our understanding of the mechanistic drivers of human brain functional lateralisation and help to explore further the nature of the left-hemispheric systems for both functions. This study investigated human laterality for both functions by taking, for the first time, numerous behaviours and multiple potential influential factors into consideration. We analysed replies to the Rennes Laterality Questionnaire that takes into account simultaneously: participants' behavioural, demographic and social characteristics as well as their genetic/social learning components and collateral factors such as health problems. We collected and analysed a large data set including 450,220 item responses (317,594 items related to behavioural laterality and 132,626 items related to personal information) by 5904 participants. The majority of participants were right-lateralised for nine behavioural categories. The laterality of right-lateralised individuals for the behaviours considered varied very little between behavioural categories, contrary to the laterality of ambiguously- and left-lateralised individuals. This is the first evidence of the stability of right-lateralised individuals and the relative flexibility of ambiguously- and left-lateralised individuals with regards to behavioural laterality related to 60 everyday activities. Moreover, the laterality patterns of our study population were linked in particular to the following individual related factors: demographic characteristics (current continent of residence), social characteristics (socio-professional group and study level), and collateral factors (writing hand, forced right-hand use, guiding eye, and health problems related to ear and back). We discuss our findings in relation to the evolutionary roots of human brain lateralisation for non-communication and communication functions. PMID- 29216478 TI - Reach and grasp deficits following damage to the dorsal pulvinar. AB - Expansion of the dorsal pulvinar in humans and its anatomical connectivity suggests its involvement in higher-order cognitive and visuomotor functions. We investigated visuomotor performance in a 31 year old patient (M.B.) with a lesion centered on the medial portion of the dorsal pulvinar (left > right) due to an atypical Sarcoidosis manifestation. Unlike lesions with a vascular etiology, the lesion of M.B. did not include primary sensory or motor thalamic nuclei. Thus, this patient gave us the exceedingly rare opportunity to study the contribution of the dorsal pulvinar to visuomotor behavior in a human without confounding losses in primary sensory or motor domains. We investigated reaching, saccade and visual decision making performance. Patient data in each task was compared to at least seven age matched healthy controls. While saccades were hypometric towards both hemifields, the patient did not show any spatial choice bias or perceptual deficits. At the same time, he exhibited reach and grasp difficulties, which shared features with both, parietal and cerebellar damage. In particular, he had problems to form a precision grip and exhibited reach deficits expressed in decreased accuracy, delayed initiation and prolonged movement durations. Reach deficits were similar in foveal and extrafoveal viewing conditions and in both visual hemifields but were stronger with the right hand. These results suggest that dorsal pulvinar function in humans goes beyond its subscribed role in visual cognition and is critical for the programming of voluntary actions with the hands. PMID- 29216479 TI - Diagnosis of deep vein thrombosis recurrence: Ultrasound criteria. AB - INTRODUCTION: Recurrent deep vein thrombosis (DVT) is often suspected in patients after anticoagulant drug withdrawal. The clinical signs can be confused with the onset of post-thrombotic syndrome. For these reasons, diagnosis of DVT recurrence must rely on an accurate method. MATERIALS AND METHODS: In order to assess this challenging clinical issue, we performed an overview of the literature regarding ultrasound criteria for the diagnosis of recurrent DVT through a Medline search, which included articles published from January 1, 1980 to February 20, 2017. RESULTS: Eighty-eight publications were found based on the defined keywords, of which nine articles with a relevant abstract were selected. By searching the reference lists of these nine articles, we obtained another 27 relevant articles. A new non-compressible vein or an increase in the diameter of a previously thrombosed vein segment by >4mm are sufficient to confirm the diagnosis of DVT recurrence. In contrast, an increase in diameter of <2mm enables recurrence to be ruled out. An increase between 2 and 4mm is deemed equivocal. Criteria based on echogenicity and Doppler venous blood flow are not reproducible. Other diagnostic imaging methods, mainly direct thrombus magnetic resonance imaging, are currently under evaluation. CONCLUSIONS: Ultrasound remains the most useful test for the diagnosis of recurrent DVT. Further imaging tests need to be validated. PMID- 29216480 TI - Comparison of pharmaceutical abatement in various water matrices by conventional ozonation, peroxone (O3/H2O2), and an electro-peroxone process. AB - Pharmaceutical abatement in a groundwater (GW), surface water (SW), and secondary effluent (SE) by conventional ozonation, the conventional peroxone (O3/H2O2), and the electro-peroxone (E-peroxone) processes was compared in batch tests. SE had significantly more fast-reacting dissolved organic matter (DOM) moieties than GW and SW. Therefore, O3 decomposed much faster in SE than in GW and SW. At specific ozone doses of 0.5-1.5 mg O3/mg dissolved organic carbon (DOC), the application of O3/H2O2 and E-peroxone process (by adding external H2O2 stocks or in-situ generating H2O2 from cathodic O2 reduction during ozonation) similarly enhanced the OH yield from O3 decomposition by ~5-12% and 5-7% in GW and SW, respectively, compared to conventional ozonation. In contrast, due to the slower reaction kinetics of O3 with H2O2 than O3 with fast-reacting DOM moieties, the addition or electro-generation of H2O2 hardly increased the OH yield (<4% increases) in SE. Corresponding to the changes in the OH yields, the abatement efficiencies of ozone-resistant pharmaceuticals (ibuprofen and clofibric acid) increased evidently in GW (up to ~14-18% at a specific ozone dose of 1.5 mg O3/mg DOC), moderately in SW (up to 6-10% at 0.5 mg O3/mg DOC), and negligibly in SE during the O3/H2O2 and E-peroxone treatment compared to conventional ozonation. These results indicate that similar to the conventional O3/H2O2 process, the E-peroxone process can more pronouncedly enhance O3 transformation to OH, and thus increase the abatement efficiency of ozone-resistant pharmaceuticals in water matrices exerting relatively high ozone stability (e.g., groundwater and surface water with low DOM contents). Therefore, by installing electrodes in existing ozone reactors, the E-peroxone process may provide a convenient way to enhance pharmaceutical abatement in drinking water applications, where groundwater and surface water with low DOM contents are used as the source waters. PMID- 29216481 TI - Robust performance of a membrane bioreactor for removing antibiotic resistance genes exposed to antibiotics: Role of membrane foulants. AB - Antibiotic resistance genes (ARGs) are an emerging concern in wastewater treatment plants (WWTPs), as dissemination of ARGs can pose a serious risk to human health. Few studies, however, have quantified ARGs in membrane bioreactors (MBRs), although MBRs have been widely used for both municipal and industrial wastewater treatment. To reveal the capacity of MBRs for removal of ARGs and the response of membrane fouling after antibiotic exposure, five typical ARG subtypes (sulI, sulII, tetC, tetX and ereA) and int1 were quantified affiliated by systematic membrane foulants analysis in a laboratory-scale anoxic/aerobic membrane bioreactor (A/O-MBR). Sulfamethoxazole and tetracycline hydrochloride additions increased ARG abundances by 0.5-1.4 orders of magnitude in the activated sludge, while the ARG removal performance of the membrane module remained stable (or even increased with ARG absolute abundance in several cases), with the abundance of removed ARGs ranging from 0.6 to 5.6 orders of magnitude. Specifically, the distribution of ARGs in membrane foulants accounted for 13%-25% of the total absolute abundance of all tested MBR samples. Indeed, substantial fouling occurred after the antibiotic additions, with the mean concentrations of soluble microbial product (SMP) and extracellular polymeric substance (EPS) increasing by 340% and 220%, respectively, in a membrane fouling cycle; moreover, the contents of EPS and SMP in the membrane foulants were significantly correlated with the ARG absolute abundance of membrane foulants (p < 0.05), among which more significant correlations occurred between both the protein and polysaccharide of foulants than that with humic acid. The dense membrane fouling layer and the membrane itself constituted dual barriers that effectively avoided the leakage of ARGs from the membrane module. Our findings provide fundamental insights into the proliferation and removal of ARGs in MBR systems, and highlight the contribution of membrane fouling to ARG removals in terms of the potential of MBR as an effective strategy to reduce ARG levels in WWTP effluent. PMID- 29216483 TI - Additional prognostic value of brachial-ankle pulse wave velocity to coronary computed tomography angiography in patients with suspected coronary artery disease. AB - BACKGROUND AND AIMS: Increased arterial stiffness is associated with a higher risk of future cardiovascular events. We aimed to investigate whether information about arterial stiffness provides additional prognostic value to coronary computed tomography angiography (CCTA) findings. METHODS: A total of 523 consecutive patients (mean age, 58.0 +/- 10.3 years; male, 60.6%) with suspected coronary artery disease (CAD), who underwent CCTA and brachial-ankle pulse wave velocity (baPWV) measurement within a month, were retrospectively analyzed. A composite of cardiovascular death, nonfatal myocardial infarction (MI), coronary revascularization, nonfatal stroke, and hospitalization for cardiovascular causes was assessed. RESULTS: During a median 43.9 months of follow-up (interquartile range, 11.6-66.9 months), the composite endpoint occurred in 66 patients (3 cardiovascular deaths, 1 nonfatal MI, 35 coronary revascularizations, 16 nonfatal strokes, and 45 hospitalizations for cardiovascular causes). After adjustment for clinical risk factors and CCTA findings, higher baPWV was an independent prognostic factor for the composite endpoint (adjusted hazard ratio, 4.717; 95% confidence interval, 2.675-8.319; p < 0.001). The addition of baPWV to clinical risk factors and CCTA findings significantly improved the prediction of cardiovascular events (global chi2 score, from 132 to 154; p = 0.005). CONCLUSIONS: Arterial stiffness provides additional prognostic information to CCTA findings in patients with suspected CAD. The baPWV can serve as a useful clinical tool for risk stratification in this population. PMID- 29216482 TI - Enantiomeric profiling of chiral illicit drugs in a pan-European study. AB - The aim of this paper is to present the first study on spatial and temporal variation in the enantiomeric profile of chiral drugs in eight European cities. Wastewater-based epidemiology (WBE) and enantioselective analysis were combined to evaluate trends in illicit drug use in the context of their consumption vs direct disposal as well as their synthetic production routes. Spatial variations in amphetamine loads were observed with higher use in Northern European cities. Enantioselective analysis showed a general enrichment of amphetamine with the R-( )-enantiomer in wastewater indicating its abuse. High loads of racemic methamphetamine were detected in Oslo (EF = 0.49 +/- 0.02). This is in contrast to other European cities where S-(+)-methamphetamine was the predominant enantiomer. This indicates different methods of methamphetamine synthesis and/or trafficking routes in Oslo, compared with the other cities tested. An enrichment of MDMA with the R-(-)-enantiomer was observed in European wastewaters indicating MDMA consumption rather than disposal of unused drug. MDA's chiral signature indicated its enrichment with the S-(+)-enantiomer, which confirms its origin from MDMA metabolism in humans. HMMA was also detected at quantifiable concentrations in wastewater and was found to be a suitable biomarker for MDMA consumption. Mephedrone was only detected in wastewater from the United Kingdom with population-normalised loads up to 47.7 mg 1000 people-1 day-1. The enrichment of mephedrone in the R-(+)-enantiomer in wastewater suggests stereoselective metabolism in humans, hence consumption, rather than direct disposal of the drug. The investigation of drug precursors, such as ephedrine, showed that their presence was reasonably ascribed to their medical use. PMID- 29216484 TI - Beliefs about the causes of and treatments for depression and bipolar disorder among South Koreans. AB - Public beliefs about psychiatric disorders are important for understanding help seeking behaviours. We investigated factors that affect South Koreans' beliefs about the causes and treatment of depression and bipolar disorder. We recruited 654 participants aged 15-54 years using an online panel survey. Participants completed two questionnaires: 34 possible causes of and 33 possible treatments for depression and bipolar disorder. For both disorders, the questionnaires about causes revealed four factors: social-environmental, God/fate, heath/lifestyle, and biological; the questionnaires about treatments revealed five factors: self help/stress management, physical treatment/health management, seeking mental health services, religious help, and resting. Causes of depression were more recognized as social-environmental, religious, and health/lifestyle compared to bipolar disorder. Participants expressed more beliefs in self-help/stress management, physical treatment/health management, seeking mental health services, and resting for depression, compared to bipolar disorder. Participants' beliefs about the causes of the disorders and their demographic and psychiatric characteristics were closely associated with beliefs about treatment validity. Participants' beliefs about the causes of depression and bipolar disorder significantly affected their beliefs about treatment. Therefore, strategies to improve mental health literacy should provide the aetiology of specific mental disorders. Further research using a representative community sample is needed to generalize our findings. PMID- 29216486 TI - The effects of microplastic on freshwater Hydra attenuata feeding, morphology & reproduction. AB - Microplastic pollution has been a growing concern in the aquatic environment for several years. The abundance of microplastics in the environment has invariably led them to interact with a variety of different aquatic species. The small size of microplastics may make them bioavailable to a great range of species however, the impact this may have is not fully understood. Much of the research on microplastic pollution has focused on the marine environment and species with little research undertaken in freshwater. Here we examine the effect of microplastics on the freshwater cnidarian, Hydra attenuata. This study also describes the development and use of a bioassay to investigate the impact of microplastic on freshwater organisms. Hydra attenuata play a vital role in the planktonic make up of slow moving freshwater bodies which they inhabit and are sensitive environmental indicators. Hydra attenuata were exposed to polyethylene flakes (<400 im) extracted from facewash at different concentrations (Control, 0.01, 0.02, 0.04, 0.08 g mL-1). The ecologically relevant endpoint of feeding was measured by determining the amount of prey consumed (Artemia salina) after 30 and 60 min. The amount of microplastics ingested was also recorded at 30 min and 60 min. After which Hydra attenuata were transferred to clean media and observed after 3, 24, 48 & 96 h with changes in their morphology and reproduction (Hydranth numbers) recorded. The results of this study show that Hydra attenuata are capable of ingesting microplastics, with several individuals completely filling their gastric cavities. Significant reductions in feeding rates were observed after 30 min in 0.02 & 0.08 g mL-1 and after 60 min in 0.04 & 0.08 g mL 1 exposures. Exposure to the microplastics caused significant changes to the morphology of Hydra attenuata, however these changes were non-lethal. This study demonstrates that freshwater Hydra attenuata is capable of ingesting microplastics and that microplastic can significantly impact the feeding of freshwater organisms. PMID- 29216485 TI - The association between rehabilitation programs and metabolic syndrome in chronic inpatients with schizophrenia. AB - The correlation between different rehabilitation programs and the prevalence of metabolic syndrome in people with schizophrenia is unclear. We tested the association in chronic inpatients with schizophrenia of a psychiatric hospital in Taiwan. Patients with schizophrenia and age from 20 to 65 years old were included. The criteria of metabolic syndrome were according to the adapted Adult Treatment Protocol for Asians. According to different types of rehabilitations, patients were divided into work group, occupational therapy group and daily activities group. A total of 359 chronic inpatients with schizophrenia were recruited. Participants had a mean age of 45.9 years and the prevalence of metabolic syndrome was 37.3%. There was a significantly higher prevalence of metabolic syndrome in the work group than in the daily activity group (adjusted odds ratio (aOR) = 1.91, 95% CI = 1.019-3.564, p < 0.05) after adjusted related confounders. Other factors associated with higher prevalence of metabolic syndrome included old age, female gender, low psychotic symptoms severity and clozapine user. This study identified a high prevalence of metabolic syndrome in chronic inpatients with schizophrenia especially in patients with good occupational function. Further investigation of the relationship between the occupational function and metabolic syndrome is necessary for chronic inpatients with schizophrenia. PMID- 29216487 TI - Microplastics increase impact of treated wastewater on freshwater microbial community. AB - Plastic pollution is a major global concern with several million microplastic particles entering every day freshwater ecosystems via wastewater discharge. Microplastic particles stimulate biofilm formation (plastisphere) throughout the water column and have the potential to affect microbial community structure if they accumulate in pelagic waters, especially enhancing the proliferation of biohazardous bacteria. To test this scenario, we simulated the inflow of treated wastewater into a temperate lake using a continuous culture system with a gradient of concentration of microplastic particles. We followed the effect of microplastics on the microbial community structure and on the occurrence of integrase 1 (int1), a marker associated with mobile genetic elements known as a proxy for anthropogenic effects on the spread of antimicrobial resistance genes. The abundance of int1 increased in the plastisphere with increasing microplastic particle concentration, but not in the water surrounding the microplastic particles. Likewise, the microbial community on microplastic was more similar to the original wastewater community with increasing microplastic concentrations. Our results show that microplastic particles indeed promote persistence of typical indicators of microbial anthropogenic pollution in natural waters, and substantiate that their removal from treated wastewater should be prioritised. PMID- 29216488 TI - Microbial community composition and PAHs removal potential of indigenous bacteria in oil contaminated sediment of Taean coast, Korea. AB - The tidal flats near Sinduri beach in Taean, Korea, have been severely contaminated by heavy crude oils due to the Korea's worst oil spill accident, say the Hebei Spirit Oil Spill, in 2007. Crude oil compounds, including polycyclic aromatic hydrocarbons (PAHs), pose significant environmental damages due to their wide distribution, persistence, high toxicity, mutagenicity, and carcinogenicity. Microbial community of Sinduri beach sediments samples was analyzed by metagenomic data with 16S rRNA gene amplicons. Three phyla (Proteobacteria, Firmicutes, and Bacteroidetes) accounted for approximately >=93.0% of the total phyla based on metagenomic analysis. Proteobacteria was the dominant phylum in Sinduri beach sediments. Cultivable bacteria were isolated from PAH-enriched cultures, and bacterial diversity was investigated through performing culture characterization followed by molecular biology methods. Sixty-seven isolates were obtained, comprising representatives of Actinobacteria, Firmicutes, alpha- and gamma-Proteobacteria, and Bacteroidetes. PAH catabolism genes, such as naphthalene dioxygenase (NDO) and aromatic ring hydroxylating dioxygenase (ARHDO), were used as genetic markers to assess biodegradation of PAHs in the cultivable bacteria. The ability to degrade PAHs was demonstrated by monitoring the removal of PAHs using a gas chromatography mass spectrometer. Overall, various PAH-degrading bacteria were widely present in Sinduri beach sediments and generally reflected the restored microbial community. Among them, Cobetia marina, Rhodococcus soli, and Pseudoalteromonas agarivorans were found to be significant in degradation of PAHs. This large collection of PAH-degrading strains represents a valuable resource for studies investigating mechanisms of PAH degradation and bioremediation in oil contaminated coastal environment, elsewhere. PMID- 29216489 TI - Alginate affects agglomeration state and uptake of 14C-labeled few-layer graphene by freshwater snails: Implications for the environmental fate of graphene in aquatic systems. AB - Understanding of the interaction of graphene with natural polysaccharides (e.g., alginate) is crucial to elucidate its environmental fate. We investigated the impact of alginate on the agglomeration and stability of 14C-labeled few-layer graphene (FLG) in varying concentrations of monovalent (NaCl) and divalent (CaCl2) electrolytes. Enhanced agglomeration occurred at high CaCl2 concentrations (>=5 mM) due to the alginate gel networks formation in the presence of Ca2+. FLG enmeshed within extended alginate gel networks was observed under transmission electron microscope and atomic force microscope. However, background Na+ competition for binding sites with Ca2+ at the alginate surfaces shielded the gelation of alginate. FLG was readily dispersed by alginate under environmentally relevant ionic strength conditions (i.e., <200 mM Na+ and <5 mM Ca2+). In comparison with the bare FLG, the slow sedimentation of the alginate stabilized FLG (158 MUg/L) caused continuous exposure of this nanomaterial to freshwater snails, which ingested 1.9 times more FLG through filter-feeding within 72 h. Moreover, surface modification of FLG by alginate significantly increased the whole-body and intestinal levels of FLG, but reduced the internalization of FLG to the intestinal epithelial cells. These findings indicate that alginate will act as a stabilizing agent controlling the transport of FLG in aqueous systems. This study also provides the first evidence that interaction of graphene with natural polysaccharides affected the uptake of FLG in the snails, which may alter the fate of FLG in aquatic environments. PMID- 29216490 TI - Phthalate esters on urban airborne particles: Levels in PM10 and PM2.5 from Mexico City and theoretical assessment of lung exposure. AB - Endocrine disrupting chemicals (EDCs) from the environment are associated with reproductive abnormalities (i.e. decreased sperm concentration; increased endometriosis) and alterations of the cardiovascular system (i.e. increased blood pressure and risk of coronary disease). Some phthalates esters have been identified as EDCs, for which inhalation is considered as one of the routes of exposure. However, only little is known regarding inhalational exposure to EDCs via urban airborne particles. In the present study, we report the monthly concentration of 8 phthalate esters measured in PM10 and PM2.5 collected and recovered during 7 months in a highly populated area of Mexico City. Using the levels of PM10 and PM2.5 reported by the automatized network of environmental monitoring of Mexico City for the sampling site, we estimated exposure levels for people of different ages and gender. Two endocrine disrupting compounds, the phthalate esters DEHP and DnBP, were found on the particles in higher concentrations during the warmer months of the year. The highest concentration was reported for DEHP (229.7MUg/g of particles) in PM2.5 collected in May 2013. After calculations of the DEHP concentration in the atmosphere, and using the respiratory flow rate, we determined males were potentially exposed to larger quantities of DEHP, reaching up to 18ng/8h in April 2013. Despite the concentrations of phthalates seem to be rather small, a comprehensive characterization of its presence is necessary in order to evaluate the overall exposure to these compounds, providing a clear view of exposure on children, adolescents and pregnant women. PMID- 29216491 TI - Microbial source tracking markers associated with domestic rainwater harvesting systems: Correlation to indicator organisms. AB - Domestic rainwater harvesting (tank water) systems were screened for the presence of a panel of microbial source tracking (MST) markers and traditional indicator organisms. The indicator organisms were enumerated utilizing traditional culture based methods, while the MST markers were quantified by quantitative PCR (qPCR). The indicators Escherichia coli (E. coli) and enterococci were also quantified using qPCR. Correlations and concurrence between these parameters were then investigated to determine which markers could be utilized to supplement traditional indicator analysis. Quantitative PCR analysis indicated that Bacteroides HF183, adenovirus, Lachnospiraceae and E. coli were detected and quantifiable in 100% of the tank water samples collected throughout the sampling period, while human mitochondrial DNA (mtDNA) was quantifiable in 90% of the tank water samples and Bifidobacterium adolescentis (B. adolescentis) and enterococci were quantifiable in 67% of the tank water samples, respectively. Significant positive correlations were recorded for Lachnospiraceae versus heterotrophic bacteria (p = 0.000), adenovirus versus E. coli (culturing) (p = 0.000) and heterotrophic bacteria (p = 0.024), the HF183 marker versus E. coli (qPCR) (p = 0.024) and B. adolescentis versus fecal coliforms (p = 0.037). In addition, 100% concurrence was observed for the HF183 marker, adenovirus and Lachnospiraceae versus E. coli (qPCR), enterococci (qPCR) and heterotrophic bacteria, amongst others. Based on the correlations and the concurrence analysis, the HF183 marker, Lachnospiraceae and adenovirus may be utilized to supplement indicator organism analysis for the monitoring of harvested rainwater quality. PMID- 29216492 TI - Production of new activated bio-carbons by chemical activation of residue left after supercritical extraction of hops. AB - A technology of activated bio-carbons production from the residue left after supercritical extraction of hops is described. The effect of the variant of chemical activation and impregnation ratio on the physicochemical properties as well as sorption capacity towards toxic gas of acidic character (nitrogen dioxide), basic organic dye (aqueous solution of methylene blue - MB) and iodine was investigated. The materials obtained were activated bio-carbons of well developed surface area ranging between 897 and 1095m2/g, showing clearly acidic character of the surface. The sorption tests results proved that chemical activation of the residue left after supercritical extraction of hops allows obtaining activated bio-carbons with very high sorption capacity towards nitrogen dioxide, reaching to 77.2 and 155.3mg/g in dry and wet conditions, respectively. The maximum sorption capacity of the adsorbents towards methylene blue was 328.75mg/g, while towards iodine 1815mg/g. The equilibrium data for aqueous solution of MB were analyzed by the Langmuir and Freundlich models, whereas the kinetics of the adsorption process was studied using pseudo-first and second order models. According to the obtained data, the adsorption of MB from aqueous solution is better described by Langmuir model and pseudo-second order kinetic model. PMID- 29216493 TI - Intimate partner violence against women, circumstances of aggressions and oral maxillofacial traumas: A medical-legal and forensic approach. AB - INTRODUCTION: Intimate partner violence (IPV) is a serious public health problem that frequently results in oral-maxillofacial traumas, generating high social and economic costs. The aim of this study was to describe the profile of women victims of IPV and determine the pattern of oral-maxillofacial traumas, according to a medical-legal and forensic perspective. An exploratory study of 1361 suspected cases of women victims of IPV was carried out based on database of an Institute of Legal Medicine and Forensic Dentistry of Northeastern Brazil during a period of 4 years. Medico-legal and social records of victims were searched for information related to sociodemographic data, circumstances of aggressions and trauma patterns. Descriptive and multivariate statistics and Multiple Correspondence Analysis (MCA) were performed. MAIN RESULTS: Almost half of victims exhibited some oral-maxillofacial trauma resulting from IPV (45.8%). Lesions affecting more than one third of the face (41.3%), especially in soft tissues (96.1%) were the most common. Based on the MCA results, two distinct victimization profiles (P1 and P2) have been identified. P1 was mainly characterized by women aged less than 28 years, living in the urban area, with higher education and working. They were assaulted using physical force in community settings perpetrated by former partner or ex-boyfriend during the night and weekends, resulting in oral-maxillofacial traumas. P2 was mainly composed of women aged over 28 years, living in the suburban or rural areas, with low schooling and who did not work. They were assaulted by firearm or weapon in their own home, perpetrated by their partner or boyfriend during the day and weekdays, resulting in trauma to other body parts. CONCLUSIONS: Oral and maxillofacial traumas are very common among women victims of IPV who searched for medical-legal service. In this context, forensic dentists can play a key role during the diagnostic process and should always work together with medical, biochemical and toxicological experts. The findings of this study may contribute to the formulation of evidence-based policies. PMID- 29216494 TI - Mutagenesis of the FAE1 genes significantly changes fatty acid composition in seeds of Camelina sativa. AB - Camelina sativa is a re-emerging low-input oilseed crop that has great potentials. It is necessary to ameliorate camelina oils for optimized fatty acid composition that can meet different application requirements. Camelina seed contains significant amounts of C20-C24 very long-chain fatty acids (VLCFAs) that may not be desirable. We demonstrated that these VLCFAs can be effectively reduced by deactivating the Fatty Acid Elongase1 (FAE1) in camelina. The allohexaploid camelina contains three alleles of FAE1 genes. Ethyl methanesulfonate (EMS) induced mutation at the FAE1-B gene caused over 60% reduction of VLCFAs in seed. Homozygous knockout mutants were successfully created in a single generation by simultaneously targeting three FAE1 alleles using the CRISPR technology with an egg cell-specific Cas9 expression. VLCFAs were reduced to less than 2% of total fatty acids compared to over 22% in the wild type, and the C18 unsaturated fatty acids were concomitantly increased. The fae1 mutants were indistinguishable from wild type in seed physiology and plant growth. This study demonstrated that the CRISPR/Cas9 technology can be effectively applied to the polyploid crop camelina to rapidly obtain desired traits such as optimal fatty acid composition in its seed oil. Knocking out FAE1 also provides a means to increase the levels of oleic acid or alpha-linolenic acid in camelina oils that are desirable for industrial or food/feed uses. PMID- 29216495 TI - Equipping providers with principles, knowledge and skills to successfully integrate behaviour change counselling into practice: a primary healthcare framework. AB - OBJECTIVES: There is an urgent need for healthcare providers and healthcare systems to support productive interactions with patients that promote sustained health behaviour change in order to improve patient and population health outcomes. Behaviour change theories and interventions have been developed and evaluated in experimental contexts; however, most healthcare providers have little training, and therefore low confidence in, behaviour change counselling. Particularly important is how to integrate theory and method to support healthcare providers to engage in behaviour change counselling competently. In this article, we describe a general training model developed from theory, evidence, experience and stakeholder engagement. This model will set the stage for future evaluation research on training needed to achieve competency, sustainability of competency, as well as effectiveness/cost-effectiveness of training in supporting behaviour change. DESIGN AND METHODS: A framework to support competency based training in behaviour change counselling is described in this article. This framework is designed to be integrative, sustainable, scalable and capable of being evaluated in follow-up studies. RESULTS AND DISCUSSION: Effective training in behaviour change counselling is critical to meet the current and future healthcare needs of patients living with, or at risk of, chronic diseases. Increasing competency in establishing change-based relationships, assessing and promoting readiness to change, implementing behaviour modification and addressing psychosocial issues will be value added to the healthcare system. PMID- 29216496 TI - The impact of new national guidance for the public health management of enteric fever in England. AB - OBJECTIVES: New guidance was published in England in February 2012 to support the public health management of enteric fever and reduce the risks of secondary transmission. The new guidance was evaluated to assess: STUDY DESIGN: Quantitative and qualitative evaluation of the implementation of new public health guidance. METHODS: A qualitative review of all non-travel-related cases from February 2010 to January 2014 to compare the risk of secondary transmission before and after the guidance introduction; an audit of clearance sampling for each case and their contacts reported in London from February 2012-January 2015 to compare with a previous London audit; and an online user survey in November 2014. RESULTS: The proportions of non-travel cases reported before and after the introduction of the new guidance were similar, 6% in 2010-2012 compared to 7% in 2012-2014 (P = 0.33). There was a 32% reduction in the number of clearance samples required for cases and the estimated period of exclusion from work or school was reduced from 54 days to 16 days. Compliance in case clearance improved from 53% to 90% and contact screening compliance improved from 42% to 80%. The targeted screening of contacts led to a significantly higher positive yield (3.6% from 1.5%, P = 0.003). All symptomatic co-travellers presented to a healthcare professional, suggesting that screening could be restricted to those in risk groups for transmission. Feedback from users highlighted additional areas, such as management of large organised groups of co-travellers and those diagnosed abroad, which has informed the update of the national guidance. CONCLUSIONS: The new guidance has not led to an increase in secondary transmission of enteric fever in England and findings have been used to inform an update of the guidance. The new guidance also represents a reduced burden of investigation and thus a likely reduced cost to patients, healthcare professionals, laboratories and environmental health officers. PMID- 29216497 TI - Engineering the bioconversion of methane and methanol to fuels and chemicals in native and synthetic methylotrophs. AB - Methylotrophy describes the ability of organisms to utilize reduced one-carbon compounds, notably methane and methanol, as growth and energy sources. Abundant natural gas supplies, composed primarily of methane, have prompted interest in using these compounds, which are more reduced than sugars, as substrates to improve product titers and yields of bioprocesses. Engineering native methylotophs or developing synthetic methylotrophs are emerging fields to convert methane and methanol into fuels and chemicals under aerobic and anaerobic conditions. This review discusses recent progress made toward engineering native methanotrophs for aerobic and anaerobic methane utilization and synthetic methylotrophs for methanol utilization. Finally, strategies to overcome the limitations involved with synthetic methanol utilization, notably methanol dehydrogenase kinetics and ribulose 5-phosphate regeneration, are discussed. PMID- 29216498 TI - Transcriptional responses to phosphate starvation in Brachypodium distachyon roots. AB - Brachypodium distachyon is a model plant that has recently emerged in grass research. Although the growth and photochemical efficiency of this species respond strongly to phosphate (Pi) availability, its Pi starvation response mechanism, which controls the Pi homeostasis, remains largely unknown. This study presents the transcriptomic response profiles of Pi-deficient roots at growth stages during which the plants were starved but obvious growth defects were absent. The results identify several phosphate transporters (i.e., PHO1), purple acid phosphatases, and SYG1/PHO81/XPR1 (SPX) domain-containing proteins out of a total of 1740 differentially expressed genes (DEGs). In particular, the transcription factor ethylene response factor (ERF), basic helix-loop-helix (bHLH), and WRKY family genes were the three most abundant DEG groups and the latter was significantly enriched. Comparative transcriptome analysis of Brachypodium versus Arabidopsis and rice revealed the presence of several common components in response to Pi fluctuations. Most significantly, jasmonic acid (JA) signaling-related genes were overrepresented in gene ontology (GO) enrichment tests. The presence of a possible link between low Pi response, inositol polyphosphates, and JA signaling is therefore discussed. PMID- 29216499 TI - Vitamin D3 decreases glycolysis and invasiveness, and increases cellular stiffness in breast cancer cells. AB - Breast cancer is one of the major causes of death in the USA. Cancer cells, including breast, have high glycolysis rates to meet their energy demands for survival and growth. Vitamin D3 (VD3) is important for many important physiological processes such as bone mineralization, but its anticancer role is yet to be proven. We find that VD3 treatment significantly down-regulates glycolytic enzymes and genes and decreases glucose uptake - for both lowly metastatic MCF-7 and highly metastatic MDA-MB-231 (MB231) breast cancer cells. VD3 also significantly decreases cell viability by inducing apoptosis - consistent with decreased expression of mammalian target of rapamycin (mTOR), which regulates glycolysis and cancer cell survival, and increases 5' adenosine monophosphate-activated protein kinase (AMPK) activation. These changes accompany a significant reduction of cell migration and increased cell stiffness, presumably a consequence of reversal of the epithelial to mesenchymal transition resulting in increased E-cadherin, and F-actin, and reduced vimentin expression. High levels of cytoskeletal and cortical F-actin may cause high cell stiffness. VD3-induced mechanical changes are stronger in highly metastatic MB231 than in lowly metastatic MCF-7 cells. Our results suggest therapeutic and preventive roles of VD3 in breast cancer. PMID- 29216501 TI - SMART coils for intracranial aneurysm embolization: Initial outcomes. AB - OBJECTIVES: Endovascular technology for the treatment of intracranial aneurysms continues to rapidly evolve. The SMART coil (Penumbra Inc., Alameda, CA, USA) is a novel microcoil designed to enhance deliverability. The aim of this single center, retrospective cohort study is to assess the initial outcomes after aneurysm embolization using SMART coils. PATIENTS AND METHODS: We reviewed consecutive patients with intracranial aneurysms who underwent endovascular embolization using SMART coils from June 2016 to January 2017. Baseline and initial outcomes data were analyzed. RESULTS: The study cohort was comprised of 32 patients with 33 aneurysms. The mean age was 55.8 years. The majority (85%) of aneurysms were located in the anterior circulation. The mean aneurysm maximum diameter and neck width were 6.0mm and 3.1mm, respectively. Dome irregularity and fusiform aneurysm morphology were noted in 33% and 9% of aneurysms, respectively, and 15% presented with subarachnoid hemorrhage. No serious procedural complications occurred, including microcatheter prolapse, intraprocedural aneurysm rupture, or thromboembolism. Device malfunction occurred in one case (3%). The mean packing density was 25%, and the degree of immediate post embolization aneurysm occlusion was a modified Raymond-Roy grade I, II, IIIa, and IIIb in 48%, 27%, 18%, and 6%, respectively. CONCLUSION: Our preliminary findings suggest that the SMART coil has a favorable initial risk to benefit profile for the embolization of appropriately selected aneurysms. Additional studies of larger cohorts are necessary to determine the mid-term and long-term clinical and angiographic outcomes of aneurysm patients treated with the SMART coil. PMID- 29216500 TI - Strontium and bisphosphonate coated iron foam scaffolds for osteoporotic fracture defect healing. AB - The purpose of this work was to investigate new bone formation in macroporous iron foams coated with strontium (FeSr) or bisphosphonate (FeBiP) compared to plain iron foam (Fe) and empty defect in a critical size metaphyseal bone defect model in ovariectomized rats. 60 female rats were subjected to bilateral ovariectomy and multi-deficient diet for 3 months. A 4 mm wedge shaped metaphyseal osteotomy was created, fixed with a mini-plate and subsequently filled with Fe, FeSr, FeBiP or left empty. After 6 weeks, MUCt analysis revealed a statistically significant increased bone formation at the implant interface in FeSr compared to FeBiP (p = 0.035) and Fe (p = 0.002), respectively. Increased mineralized tissue was also seen within the pores in FeSr (p = 0.023) compared to Fe. Histomorphometry revealed significantly increased bone formation at the implant interface in FeSr (p < 0.001) and FeBiP (p = 0.006) compared to plain Fe with increased osteoblast and decreased osteoclast activity in combination with increased BMP2 and decreased RANKL/OPG in immunohistochemistry. ToF-SIMS analysis showed overlapping Ca signals with Fe for both FeSr and FeBiP thereby indicating tissue in-growth into the scaffolds. In conclusion, iron foam with strontium or bisphosphonate coating are of further interest in metaphyseal fracture defects in osteopenic bone. PMID- 29216502 TI - Intraventricular hemorrhage related to AVM rupture: Description, outcomes and impact of intraventricular fibrinolysis. AB - OBJECTIVES: Arteriovenous malformation (AVM) rupture could lead to intraventricular hemorrhage (IVH), a particularly severe form of intracranial bleeding. The epidemiology, presentation, management and outcomes of IVH related to AVM rupture have not been clearly addressed yet. The aim of the present study was to investigate the characteristics of IVH related to AVM rupture, with particular attention paid to functional outcomes and to the impact of intraventricular fibrinolysis (IVF). PATIENTS AND METHODS: Between 2011 and 2015, all patients suffering from IVH admitted in two tertiary neurosurgical centers were included in a prospective register. Patient with IVH related to AVM rupture were identified (n=29) and their data retrospectively collected. Particular attention was paid on patients who received IVF. We also compared them to 29 apparied aneurysmal IVH. RESULTS: IVH related to AVM rupture often occurred in young patients. In most cases, intracerebral hemorrhage was associated to IVH. 17% of the patients died, and functional outcome at 6 months was similar to those with aneurysmal IVH. Interestingly, 5 patients received IVF and none experienced any rebleeding. CONCLUSION: IVH related to AVM rupture is a severe form of hemorrhagic stroke, with a poor neurologic prognosis. IVF seems to be safe and may be considered in this particular form of IVH. PMID- 29216503 TI - Clinical and radiographic comparison of cervical disc arthroplasty with Prestige LP Disc and anterior cervical fusion: A minimum 6-year follow-up study. AB - OBJECTIVES: To retrospectively compare the long-term clinical and radiographic outcomes of cervical disc arthroplasty (CDA) with Prestige-LP Disc and anterior cervical discectomy and fusion (ACDF) for single-level cervical degenerative disc disease. PATIENTS AND METHODS: Ninety-eight patients (45 CDA and 53 ACDF) with a minimum 6-year follow-up were included. Clinical evaluations included Japanese Orthopedic Association (JOA), visual analogue scale (VAS), and Neck Disability Index (NDI) scores. Radiographic evaluations included sagittal alignment, range of motion (ROM) at the index and adjacent level, adjacent segment degeneration (ASD), and heterotopic ossification (HO). RESULTS: At the final follow-up, there were no significant differences in JOA, VAS neck, and VAS arm scores between the two groups. However, NDI scores improved more in the CDA group than in the ACDF group. The sagittal alignment was maintained in both groups. The ROM at the index level in the CDA group was decreased from 9.6+/-4.3 degrees at baseline to 7.8+/ 4.7 degrees at the final follow-up. The ROM at the cranial adjacent level in the ACDF group was increased. The incidence of ASD was lower in the CDA group than in the ACDF group (26.7% vs 49.1%, p=0.023). HO was observed in 46.7% of the patients but did not influence the clinical outcome. CONCLUSION: Both CDA with Prestige-LP Disc and ACDF showed good clinical outcomes at a minimum 6-year follow-up. Compared with ACDF, CDA preserved the motion and reduced the incidence of ASD. PMID- 29216504 TI - Burnout: Yes, it's a health problem, but is the solution partly linked to professionalism? PMID- 29216505 TI - Application of laryngeal mask ProtectorTM Cuff PilotTM for safe recovery from general anesthesia in a patient with difficult mask ventilation. PMID- 29216506 TI - T1, T2 paraverterbal blocks provide opioid sparing in first rib resection for thoracic outlet syndrome. PMID- 29216507 TI - Chimeric HCMV/HSV-1 and Deltagamma134.5 oncolytic herpes simplex virus elicit immune mediated antigliomal effect and antitumor memory. AB - Malignant gliomas are the most common primary brain tumor and are characterized by rapid and highly invasive growth. Because of their poor prognosis, new therapeutic strategies are needed. Oncolytic virotherapy (OV) is a promising strategy for treating cancer that incorporates both direct viral replication mediated and immune mediated mechanisms to kill tumor cells. C134 is a next generation Deltagamma134.5 oHSV-1 with improved intratumoral viral replication. It remains safe in the CNS environment by inducing early IFN signaling which restricts its replication in non-malignant cells. We sought to identify how C134 performed in an immunocompetent tumor model that restricts its replication advantage over first generation viruses. To achieve this we identified tumors that have intact IFN signaling responses that restrict C134 and first generation virus replication similarly. Our results show that both viruses elicit a T cell mediated anti-tumor effect and improved animal survival but that subtle difference exist between the viruses effect on median survival despite equivalent in vivo viral replication. To further investigate this we examined the anti-tumor activity in immunodeficient mice and in syngeneic models with re-challenge. These studies show that the T cell response is integral to C134 replication independent anti-tumor response and that OV therapy elicits a durable and circulating anti tumor memory. The studies also show that repeated intratumoral administration can extend both OV anti-tumor effects and induce durable anti-tumor memory that is superior to tumor antigen exposure alone. PMID- 29216508 TI - Quantitative Biomarkers for Prediction of Epidermal Growth Factor Receptor Mutation in Non-Small Cell Lung Cancer. AB - OBJECTIVES: To predict epidermal growth factor receptor (EGFR) mutation status using quantitative radiomic biomarkers and representative clinical variables. METHODS: The study included 180 patients diagnosed as of non-small cell lung cancer (NSCLC) with their pre-therapy computed tomography (CT) scans. Using a radiomic method, 485 features that reflect the heterogeneity and phenotype of tumors were extracted. Afterwards, these radiomic features were used for predicting epidermal growth factor receptor (EGFR) mutation status by a least absolute shrinkage and selection operator (LASSO) based on multivariable logistic regression. As a result, we found that radiomic features have prognostic ability in EGFR mutation status prediction. In addition, we used radiomic nomogram and calibration curve to test the performance of the model. RESULTS: Multivariate analysis revealed that the radiomic features had the potential to build a prediction model for EGFR mutation. The area under the receiver operating characteristic curve (AUC) for the training cohort was 0.8618, and the AUC for the validation cohort was 0.8725, which were superior to prediction model that used clinical variables alone. CONCLUSION: Radiomic features are better predictors of EGFR mutation status than conventional semantic CT image features or clinical variables to help doctors to decide who need EGFR tyrosine kinase inhibitor (TKI) treatment. PMID- 29216509 TI - In vitro study on the joint hepatoxicity upon combined exposure of cadmium and BDE-209. AB - Joint toxicity is an important issue during the risk assessment of environmental pollutants. Contamination of heavy metals and persistent organic pollutants (POPs) under the environmental and biological settings poses substantial health risk to humans. Although previous studies demonstrated the co-occurrence of cadmium and decabrominated diphenyl ether (BDE-209) in environmental mediums, food chains and even human body, their potentially joint toxicities remain elusive thus far. Our investigation here with respect to the hepatotoxicity in vitro clearly demonstrated that combined exposure of cadmium and BDE-209 aggravated the injuries in hepatocytes, which was evidenced by the additive effects on the induction of remarkable morphological alternations, LDH release, cell apoptosis and necrosis, impairment of mitochondrial activity and transmembrane potential. Enhanced ROS production was one of the mechanisms for cell apoptosis and death upon joint treatment. Additionally, more cadmium-treated cells underwent apoptosis than BDE-209-treated cells while more ROS was generated with BDE-209 treatment, indicating that other mechanisms might be involved in cadmium-induced apoptosis. Our results would be helpful for evaluating the joint hepatotoxicity upon combined exposure of cadmium and BDE-209 as well as investigating the underlying mechanisms. PMID- 29216510 TI - Evolution of virulence in the Mycobacterium tuberculosis complex. AB - Mycobacterium tuberculosis, the causative agent of human tuberculosis is one of the most widely spread human pathogens. It has succeeded to infect a quarter of the global human population by developing most sophisticated ways to circumvent innate and adaptive immune defences. This highly specialized, major human pathogen has evolved from a pool of ancestral environmental mycobacteria, whose extant representatives are known under the name of Mycobacterium canettii. Recent whole genome analyses in combination with different phenotypic screens have provided key insights into the evolution of M. tuberculosis and closely related members regrouped in the M. tuberculosis complex (MTBC). They have also elucidated novel virulence determinants that are essential for these obligate pathogens. In this review, we present the most recent evolutionary models of the MTBC and various factors that have contributed to the outstanding evolutionary success of the tuberculosis agent. PMID- 29216511 TI - Architecture and physicochemical characterization of Bacillus biofilm as a potential enzyme immobilization factory. AB - Biocatalysis for industrial application is based on the use of enzymes to perform complex transformations. However, these systems have some disadvantage related to the costs of the biocatalyst. In this work, an alternative strategy for producing green immobilized biocatalysts based on biofilm was developed.A study of the rheological behavior of the biofilm from Bacillus sp. Mcn4, as well as the determination of its composition, was carried out. The dynamic rheological measurements, viscosity (G") and elasticity (G') module, showed that the biofilm presents appreciable elastic components, which is a recognized property for enzymes immobilization. After the partial purification, the exopolysaccharidewas identified as a levan with a non-Newtonian behavior. Extracellular DNA with fragments between 10,000 and 1000bp was detected also in the biofilm, and amyloid protein in the extracellular matrix using a fluorescence technique was identified. Bacillus sp. Mcn4 biofilms were developed on different surfaces, being the most stable those developed on hydrophilic supports. The biofilm showed lipase activity suggesting the presence of constitutive lipases entrapped into the biofilm. Indeed, two enzymes with lipase activity were identified in native PAGE. These were used as biocatalysts, whose reuse showed a residual lipase activity after more than one cycle of catalysis. The components identified in the biofilm could be the main contributors of the rheological characteristic of this material, giving an exceptional environment to the lipase enzyme. Based on these findings, the current study proposes green and natural biopolymers matrix as support for the enzyme immobilization for industrial applications. PMID- 29216512 TI - Interaction between cereal beta-glucan and proteins in solution and at interfaces. AB - Cereal beta-glucan is well known for its beneficial health effects, such as lowering of blood cholesterol values and a reduced risk of coronary heart disease. These effects are often discussed in relation to the dissolution and aggregation behavior of the beta-glucan during human digestion. Furthermore, potential proteinaceous material present is believed to have an important impact on the formation of viscous slurries during digestion and might influence the aggregation behavior of the beta-glucan. Therefore, the interaction and aggregation behavior of a beta-glucan isolate (OBC90) with two different proteins (gliadin and whey protein) was investigated in solution at different pH with regards to kinetics of aggregation and protein/beta-glucan ratio and at interfaces. Aggregates were found at low pH and the aggregation and composition of aggregates seems to depend on the type of protein. Furthermore, phosphate was found at low concentrations in the beta-glucan, most likely being the reason for the net negative charge at pH<=4. Therefore, electrostatic interaction is suggested to play an important role for the aggregation between beta-glucan and proteins. PMID- 29216513 TI - A novel ultradeformable liposomes of Naringin for anti-inflammatory therapy. AB - Ultradeformable liposomes were formulated using naringin (NA), a flavanone glycoside, at different concentrations (3, 6 and 9mg/mL). Nanovesicles were small size (~100nm), regardless of the NA concentration used, and monodisperse (PI<0.30). All formulations showed a high entrapment efficiency (~88%) and a highly negative zeta potential (around -30mV). The selected formulations were highly biocompatible as confirmed by in vitro studies using 3T3 fibroblasts. In vitro assay showed that the amounts (%) of NA accumulated in the epidermis (~10%) could explain the anti-inflammatory properties of ultradeformable liposomes. In vivo studies confirmed the higher effectiveness of ultradeformable liposomes respect to betamethasone cream and NA dispersion in reducing skin inflammation in mice. Overall, it can conclude that NA ultradeformable liposomes can be considered as a promising formulation for the treatment of skin inflammatory diseases. PMID- 29216514 TI - Modulation of in vitro phagocytic uptake and immunogenicity potential of modified Herceptin(r)-conjugated PLGA-PEG nanoparticles for drug delivery. AB - There is an increasing interest in engineered nanoparticle (NP) conjugates for targeted and controlled drug delivery. However, the practical applications of these NP delivery vehicles remain constrained because of their reactivity with the body's immune system defenses resulting in undesirable off-target effects. In this study, poly(D,L lactide-co-glycolide) (PLGA)-b-polyethylene glycol (PEG) NPs conjugated to different quantities of the commercial antibody Herceptin(r) meant to target HER2-positive breast cancer cells were studied for their immune cell uptake and immunogenic properties (using murine macrophages and human dendritic cells). We further modified the Herceptin(r)-NP conjugates with short PEG linkers with an aim to increase their biocompatibility. The 50% Herceptin(r)-NP conjugate group with short PEG modification to Herceptin(r) showed the best reduction in immune cell uptake by 82% along with the reduction by >50% for proinflammatory cytokine response (TNF-alpha and IL-6). In conclusion, optimum Herceptin(r) coverage with improved hydrophilic profile results in reduced phagocytic uptake and immunogenicity of engineered NP-antibody conjugates, potentially minimizing their undesirable off-target effects as a drug delivery vehicle. PMID- 29216515 TI - Strontium incorporation improves the bone-forming ability of scaffolds derived from porcine bone. AB - Although heterogeneous bone scaffolds have shown potential in bone defect repair, their capability of aiding bone regeneration need to be further enhanced. Strontium, one important trace element in bone, has a well-known favorable effect on bone repair. Here a strontium containing scaffold (CPB/PCL/Sr) based on superficially porous calcined porcine bone (CPB) was obtained straightforwardly by sequential coating of SrCl2 and polycaprolactone (PCL). The basic characterization revealed that PCL coating could simultaneously improve the mechanical properties and, more importantly, restrain strontium release. Moreover, in vitro behaviors of human MSCs on CPB, CPB/PCL, and CPB/PCL/Sr were studied in detail. The comprehensive results of proliferation, osteogenic gene expression, ALP staining, and ALP activity demonstrated that PCL coating slightly impaired the bone repair potential of CPB. In contrast, CPB/PCL/Sr better supported the osteogenic differentiation of MSCs than CPB,highlighting the role of strontium. The in vivo test confirmed a better new bone formation of CPB/PCL/Sr than CPB and CPB/PCL. These results verified the superiority of incorporating strontium to improve the bone-forming ability of CPB, offering a promising alternative for bone defect repair. PMID- 29216516 TI - ATR-FTIR investigation of mechanisms of Bacillus subtilis adhesion onto variable- and constant-charge soil colloids. AB - The primary objective of this study was to determine the capacity and the mechanisms of adhesion of Bacillus subtilis onto variable- and constant-charge soil colloids. The adhesion process was investigated using in situ attenuated total reflectance (ATR)-Fourier transform infrared spectroscopy (FTIR), zeta potential, and batch adhesion experiments. The maximum adhesion capacity of B. subtilis on the colloids of Oxisol, Ultisol, and Alfisol reached 699.17, 462.56, and 258.82mgg-1, respectively. B. subtilis adhesion to all three soil colloids decreased as the suspension pH increased from 3 to 8. Saturation coverage and adhesion rate constant values were calculated with the pseudo-first-order kinetics equation using the absorbance at 1548cm-1. Both values were highest for Oxisol, followed by Ultisol, and lowest for Alfisol. These observations are consistent with the surface charges of these soil colloids. A larger positive charge on variable-charge soils (Oxisol and Ultisol) increased B. subtilis adhesion relative to that of constant-charge soil (Alfisol). This is in agreement with the interaction energy between B. subtilis and soil colloids, which was calculated using the Derjaguin-Landau-Verwey-Overbeek theory. As revealed by ATR FTIR spectroscopy, chemical bonds formed by protein, phosphate, and COOH groups on B. subtilis, as well as iron and aluminum hydroxyl groups in soil, contributed to B. subtilis adhesion to soil colloids. Therefore, chemical bond formation and electrostatic interaction are two major mechanisms of B. subtilis adhesion onto soil colloids. PMID- 29216517 TI - GO-AgCl/Ag nanocomposites with enhanced visible light-driven catalytic properties for antibacterial and biofilm-disrupting applications. AB - Nanomaterials with visible light-driven photocatalytic activity have attracted much attention due to their excellent abilities in degradation of various organic pollutants as well as inactivating bacteria. Herein, graphene oxide (GO) enwrapped silver chloride/silver (AgCl/Ag) nanocomposites with high visible light absorption were designed and fabricated as efficient antibacterial agents. AgCl NPs were synthesized in the presence of GO first and Ag NPs were coated on AgCl surface by heat reduction to form GO-AgCl/Ag nanocomposites. The as prepared nanocomposites revealed improved stability, higher absorption properties in the visible light region. The enhanced antibacterial activity was observed by quantification of colony forming units (CFU) and morphological changes of bacteria. The antibacterial mechanism of GO-AgCl/Ag was also investigated by evaluating membrane permeability and ROS level. Moreover, GO-AgCl/Ag composites can eliminate bacterial biofilms more efficiently under visible light irradiation. Our results provide new insights into the design of new multifunctional systems for antibacterial applications. PMID- 29216519 TI - Mine is better than yours: Investigating the ownership effect in children with autism spectrum disorder and typically developing children. AB - Ownership has a unique and privileged influence on human psychology. Typically developing (TD) children judge their objects to be more desirable and valuable than similar objects belonging to others. This 'ownership effect' is due to processing one's property in relation to 'the self'. Here we explore whether children with autism spectrum disorder (ASD) - a population with impaired self understanding - prefer and over-value property due to ownership. In Experiment 1, we discovered that children with ASD did not favour a randomly endowed toy and frequently traded for a different object. By contrast, TD children showed a clear preference for their randomly endowed toy and traded infrequently. Both populations also demonstrated highly-accurate tracking of owner-object relationships. Experiment 2 showed that both TD children and children with ASD over-value their toys if they are self-selected and different from other-owned toys. Unlike TD children, children with ASD did not over-value their toys in comparison to non-owned identical copies. This finding was replicated in Experiment 3, which also established that mere ownership elicited over-valuation of randomly endowed property in TD children. However, children with ASD did not consistently regard their randomly endowed toys as the most valuable, and evaluated property irrespective of ownership. Our findings show that mere ownership increases preferences and valuations for self-owned property in TD children, but not children with ASD. We propose that deficits in self understanding may diminish ownership effects in ASD, eliciting a more economically-rational strategy that prioritises material qualities (e.g. what a toy is) rather than whom it belongs to. PMID- 29216518 TI - Expanding horizons: new roles for non-canonical RNA-binding proteins in cancer. AB - Cancer development involves the stepwise accumulation of genetic lesions that overcome the normal regulatory pathways that prevent unconstrained cell division and tissue growth. Identification of the genetic changes that cause cancer has long been the subject of intensive study, leading to the identification of several RNA-binding proteins (RBPs) linked to cancer. Cross-reference of the complement of RBPs recently identified by RNA interactome capture with cancer associated genes and biological processes led to the identification of a set of 411 proteins with potential implications in cancer biology. These involve a broad spectrum of cellular processes including response to stress, metabolism and cell adhesion. Future studies should aim to understand these proteins and their connection to cancer from an RNA-centred perspective, holding the promise of new mechanistic understanding of cancer formation and novel approaches to diagnosis and treatment. PMID- 29216520 TI - Green pastures: Do US real estate prices respond to population health? AB - We investigate whether communities with improving population health will subsequently experience rising real estate prices. Home price indices (HPIs) for 371 MSAs from 1990 to 2010 are regressed against life-expectancy five years prior. HPIs come from the Federal Housing Finance Agency. Life expectancy estimates come from the Institute of Health Metrics. Our analysis uses random and fixed effect models with a comprehensive set of controls. Life expectancy predicted increases in the HPI controlling for potential confounders. We found that, this effect varied spatially. Communities that invest their revenue from property taxes in public health infrastructure could benefit from a virtuous cycle of better health leading to higher property values. Communities that do not invest in health could enter vicious cycles and this could widen geospatial health and wealth disparities. PMID- 29216521 TI - The use of palliative medications before death from prostate cancer: Swedish population-based study with a comparative overview of European data. AB - BACKGROUND: Symptoms of terminal cancer have previously been reported as undertreated. The aim of this study was to assess the use of palliative medications before death from prostate cancer. METHODS: This Swedish register study included men who died from 2009 to 2012 with prostate cancer as the underlying cause of death. We assessed the proportion who collected a prescription of androgen deprivation therapy, non-steroidal anti-inflammatory drugs, paracetamol, opioids, glucocorticoids, antidepressants, anxiolytics and sedative-hypnotics and the differences in treatment related to age, time since diagnosis, educational level, close relatives and comorbidities. Data were collected from 3 years before death from prostate cancer. RESULTS: We included 8326 men. The proportion who received opioids increased from 30% to 72% during the last year of life, and 67% received a strong opioid at the time of death. Antidepressants increased from 13% to 22%, anxiolytics from 9% to 27% and sedative-hypnotics from 21% to 33%. Men without close relatives and older men had lower probability to receive opioids (odds ratio [OR]: 0.56, 95% confidence interval [CI]: 0.47-0.66 for >85 years versus <70 years) and (OR 0.78, 95% CI: 0.66-0.92 for unmarried without children versus married with children). CONCLUSION: Our results represent robust epidemiological data from Sweden for comparison of palliative care quality between countries. The findings indicate that men without close relatives and older men are disadvantaged with respect to the treatment of cancer pain and need closer attention from health care providers and highlight the importance to identify psychological distress in terminal prostate cancer. PMID- 29216522 TI - Case of urethral duplication seen by voiding urosonography. AB - A 3-month-old premature male infant with imperforate anus and hypospadias underwent contrast-enhanced voiding urosonography (ceVUS) followed by voiding cystourethrography (VCUG). Images from the ceVUS demonstrated a distinct linearity arising dorsally from the posterior urethra that partially opacified with contrast. VCUG confirmed a urethral duplication. To our knowledge, this exceedingly rare anomaly has yet to be reported by ceVUS. PMID- 29216523 TI - Use of synthetic stimulants and hallucinogens in a cohort of electronic dance music festival attendees. AB - Novel psychoactive substances (NPS), often characterized as unregulated psychoactive compounds designed to circumvent existing legislation, have become mainstream on the illicit drug market. Because of their physical and mind altering properties, NPS may be deliberately or inadvertently ingested at electronic dance music (EDM) festivals to enhance the attendees' appreciation of the music and overall experience. Their widespread use at EDM festivals have been well documented and several adverse events and fatalities associated with NPS ingestion have been reported in the United States. The diversity and rapid turnover in the prevalence of any particular NPS at any given point of time has created several challenges for public health officials, law enforcement, and forensic science communities. Epidemiological studies are often published long after drugs have cycled through the peak of their popularity with users and the scope of testing frequently failing to detect, identify or report the most recently available drugs. The aims of the study included discovering emerging NPS, ascertaining their overall prevalence and determining patterns of use and trends within this targeted population. Over the course of two years, biological samples were collected from 396 (126 blood samples; 227 urine samples; and 384 oral fluid samples) EDM festival attendees. Additionally, survey data regarding prescription and recreational drug use within the last week were collected with follow-up questions related to what substance(s) the person had ingested, amount taken, when the substance was last taken and perceived effects. All biological samples were screened and subsequently confirmed and/or quantified, when appropriate. In response to survey questions, 72% of the participants reported using a recreational drug or medicinal substance within the last week. Users most commonly reported using marijuana and alcohol, followed by "Molly" and cocaine. Of the 396 individuals tested, approximately 75% of the population was positive in at least one biological specimen for drugs and/or alcohol. Of those positive samples, 36% were confirmed to contain one or more NPS and/or 3,4-methylenedioxy methamphetamine (MDMA). High rates of turnover and spikes in popularity related to NPS are supported by samples confirming positive for alpha-PVP in 2014, however, one year later not a single case was positive for alpha-PVP, and instead increasing numbers of subjects were positive for ethylone. PMID- 29216524 TI - Multiple fatalities in the North of England associated with synthetic fentanyl analogue exposure: Detection and quantitation a case series from early 2017. AB - BACKGROUND: Synthetic fentanyl analogues are highly potent opioid drugs which have no pharmaceutical use in humans. We detected the synthetic fentanyl analogues; carfentanil, butyryl fentanyl, fluorobutyrylfentanyl, furanylfentanyl, and alfentanil as well as fentanyl itself in 25 cases in early 2017. There have been no previous reports of synthetic fentanyl deaths in the United Kingdom (UK). METHODS: Cases in which the history clearly stated drug use but where a post mortem blood morphine concentration was lower than would be expected to explain the sudden death, were referred for further analysis by high resolution accurate mass (HRAM) mass spectrometry. RESULTS: 25 post mortem cases in which synthetic fentanyl analogues were implicated in the cause of death were reported from January to May 2017. No cases were seen in June 2017. The age range was 21-54 years and 22 were male. There was a history of heroin use, or markers of heroin use on toxicology screening in 21/25 cases. Carfentanil and fentanyl were detected in 7 cases. Multiple synthetic fentanyl analogues were present in 13 cases, with the remaining 5 cases having only carfentanil present. Synthetic fentanyl analogues were detected in combination with other drugs in all cases. Significant concentrations of ethanol were detected in only 2 cases. The concentration range of carfentanil in blood was 90-4004pg/mL. Of note, the 3 cases in which ante mortem carfentanil was quantified ranged from 21 to 98pg/mL. In all cases, death was attributed to combined central nervous system depression. CONCLUSIONS: This paper highlights a new and rapid emergence of these drugs into the UK illicit drug arena. Synthetic fentanyl analogues represent a significant challenge both analytically and clinically within the groups who misuse drugs. It is worthwhile considering the possibility of the presence of these drugs in cases in which a toxicological cause of death is not apparent analytically but there is a history of drug use and circumstantial evidence exists to support a drug related death as the most likely cause. It may be that synthetic fentanyl analogues should be screened for routinely to avoid reporting any false negative results, but the cost implications and viability of this have not been fully evaluated. PMID- 29216525 TI - High-refined carbohydrate diet promotes detrimental effects on alveolar bone and femur microarchitecture. AB - : The impact of high-refined carbohydrate (HC) diet on fat accumulation, adipokines secretion and systemic inflammation is well described. However, it remains unclear whether these processes affect bone remodeling. OBJECTIVE: To investigate the effects of HC diet in the alveolar bone and femur parameters. METHODS: BalbC mice were fed with conventional chow or HC diet for 12 weeks. After experimental time maxillae, femur, blood and white adipose tissue samples were collected. RESULTS: The animals feed with HC diet exhibited considerable increase of adiposity index and adipose tissue levels of TNF-alpha, IL-6, IL-10, IL-1beta, TGF-beta and leptin. Microtomography analysis of maxillary bone revealed horizontal alveolar bone loss and disruption of trabecular bone in mice feed with HC diet. These deleterious effects were correlated with a disturbance in bone cells and an augmented expression of Rankl/Opg ratio. Consistently, similar effects were observed in femurs, which also exhibited a reduction in bone maximum load and stiffness. CONCLUSION: Our data indicates that HC diet consumption disrupts bone remodeling process, favoring bone loss. Underlying mechanisms relies on fat tissue accumulation and also in systemic and local inflammation. PMID- 29216526 TI - Dickkopf-1 may regulate bone coupling by attenuating wnt/beta-catenin signaling in chronic apical periodontitis. AB - OBJECTIVE: Alveolar bone loss is a common outcome of chronic apical periodontitis. In this study, we investigated the involvement of the Dickkopf-1 Wnt/beta-catenin signaling pathway in the attenuation of osteogenic differentiation induced by Escherichia coli lipopolysaccharide, and we evaluated the use of Dickkopf-1 inhibitor and Dickkopf-1 recombinant protein to reverse bone loss in different phases of osteogenic differentiation. METHODS: MC3T3-E1 cells grown in osteogenic medium were treated with Escherichia coli lipopolysaccharide for 24h during osteogenic induction on days 0, 1, 7, 14 and 21. Dickkopf-1 siRNA was added on days 0 and 1, and Dickkopf-1 recombinant was added on days 7, 14, and 21. Quantitative real-time PCR, Western blotting and alkaline phosphatase activity assays were performed to measure osteogenic marker expression and Wnt/beta-catenin signaling. A rat apical periodontitis model was used to further evaluate the function of Dickkopf-1 in relation to bone loss. RESULTS: MC3T3-E1 cells treated with Escherichia coli lipopolysaccharide showed decreased mRNA expression of osteogenic markers. Wnt/beta-catenin signaling was also inhibited, and Dickkopf-1 showed corresponding variations as quantified by Western blotting. Using Dickkopf-1 inhibitor or Dickkopf-1 recombinant protein at different phases of osteogenic differentiation in vitro partially reversed the decrease in osteogenic marker expression. The rat apical periodontitis model indicated that the Dickkopf-1 inhibitor could restore bone loss in the periapical area in vivo. CONCLUSIONS: Dickkopf-1 may play a key regulatory role in determining the outcome for bone in inflammatory environments, and modulating the Wnt/beta-catenin signaling pathway via Dickkopf-1 inhibitor or recombinant protein may provide a potential therapeutic option to prevent bone destruction in endodontic disease. PMID- 29216527 TI - Laparoscopic management of a drain site evisceration of the vermiform appendix, a case report. AB - INTRODUCTION: Peritoneal cavity drainage is not riskless and several publications reported drain induced complications. However, till this day, abdominal drainage is still a subject of divergence between necessity and usual operative practice. We describe in this publication an exceptional complication of drainage, which is the drain site evisceration of the appendix. CASE PRESENTATION: We report the case of a 47-years-old patient, initially operated for perforated ulcer peritonitis, in whom an evisceration occured 48h after the removal of an intraperitoneal drain placed in the Douglas pouch, the physical examination predicated the presence of a herniated omentum fringe, as a precaution a laparoscopic exploration was performed and revealed that the eviscerated organ was the vermiform appendix, then a two trocars appendectomy was performed and the orifice of the evisceration was safely closed. DISCUSSION: Since the first description in 1995, only seven cases were reported in the literature, we propose a new management of the drain site evisceration of the appendix, including laparoscopic exploration, and both side control of the drain site defect closure, our technique seems safer. CONCLUSION: The laparoscopic approaches must have a place in the management of the drain site eviscerations. PMID- 29216528 TI - Triple primary malignancies in a patient with colorectal adenocarcinoma: A case report. AB - INTRODUCTION: While colorectal carcinoma is one of the most commonly diagnosed malignancies, its synchronous occurrence with other primary malignancies is rare. PRESENTATION OF CASE: In this case, we describe the diagnosis and surgical intervention of a 55-year-old male patient who was found to have colonic adenocarcinoma at the hepatic flexure, right renal urothelial carcinoma, and malignant mesothelioma. DISCUSSION: None of the previous studies reported these three distinct types of cancer, even in those patients with Lynch Syndrome. To the best of our knowledge, this is the first report of such case. The etiology and pathogenesis of multiple primary malignancies are complex. Common genetic and environmental risk factors that were found in different cancers might increase the risk of multiple primary malignancies. CONCLUSION: The use of genetic testing and preoperative imaging studies should be considered to be invaluable tools for detecting synchronous malignancies. Practicing physicians should pay more attention to the risk of simultaneous separate primary malignancies. PMID- 29216529 TI - Sessile serrated adenoma/polyp leading to acute appendicitis with multiple pyogenic liver abscesses: A case report. AB - INTRODUCTION: Although appendicitis is a common disease, appendicitis concurrent with liver abscesses and sessile serrated adenoma/polyp (SSA/P) is rare. PRESENTATION OF CASE: A 69-year-old man presented with symptoms of abdominal pain and fever. Computed tomography (CT) revealed multiple liver abscesses and an enlarged appendix with a pseudotumoral appearance, which suggested acute appendicitis. In the emergency operation, ileocecal resection was performed for the perforated appendicitis with an inflammatory mass in the ileocecum. On macroscopic examination, the torose lesion was localized at next to the appendiceal orifice. The tumor was diagnosed as SSA/P based on the microscopic finding. The postoperative course was uneventful, and the liver abscesses were cured by antibiotic therapy. The patient was discharged 17days after the surgery. DISCUSSION: In this case, SSA/P localization at next to the appendiceal orifice was suggested as the cause of the perforated appendicitis with multiple liver abscesses. The patient was successfully treated with a combination of surgery and antibiotic therapy. CONCLUSION: This is the first reported case of a patient with SSA/P that led to acute appendicitis with multiple pyogenic liver abscesses. PMID- 29216530 TI - Brain angiometastasis from a non-seminomatous germ cell tumor: A case report. AB - INTRODUCTION: Brain metastasis from non-seminomatous germ cell tumors (NSGCT) is rare. Herein, we describe the second reported case of brain metastasis from a NSGCT with high-flow arteriovenous (AV) shunts, and propose a novel surgical treatment plan. CLINICAL CASE: The patient was a 34-year-old male who presented with hemiparesis and hemianesthesia. Magnetic resonance angiography revealed three vascular lesions with afferent vessels and efferent vessels. Angiography displayed two high-flow AV shunts. During angiography, the patient experienced sudden neurological deterioration and consequently underwent surgery. During surgery, a lesion with large AV shunts was observed, with arterialized drainage veins, pedicled arterial vessels affluent to the nidus, and an absent pial plane. The surgical technique was adapted to lesion morphology using special bipolar forceps. Histological and immunohistochemical tests confirmed that the lesion was a NSGCT. DISCUSSION: NSGCTs are clinically more aggressive than seminomas. Lesions with an AV shunt and glioma combination are designated as angiogliomas. Therefore, we termed the lesion in the present case as an "angiometastasis," which was formed from numerous AV shunts. The use of presurgical embolization has been reported to improve long-term survival in patients with intra-axial hypervascular tumors with AV shunts. CONCLUSION: We here propose a novel strategy for the management of hypervascular brain metastasis from NSGC, consisting of angiography, tumor embolization, and the use of an angiometastatic surgical technique with special bipolar forceps. This case report may help neurosurgeons make better surgical decisions in the management of highly vascularized brain metastasis. PMID- 29216531 TI - Living donor liver transplantation for adult Budd Chiari syndrome - Resection without replacement of retrohepatic IVC: A case report. AB - INTRODUCTION: Suprahepatic caval resection and replacement of inferior vena cava (IVC) is standard procedure in deceased donor liver transplantation for patients with Budd-Chiari syndrome (BCS). However, replacement of IVC in living donor liver transplantation (LDLT) is difficult. We report a case of BCS successfully treated by LDLT without replacement of IVC. PRESENTATION OF CASE: A 52-years-old female with a primary BCS due to IVC thrombosis. A vena cava (VC) stent placed after angioplasty without improvement of the hepatic, portal venous flow and liver functions, Transjugular intrahepatic portosystemic shunt was considered and the patient had a rapid deterioration and increased ascites. The patient was scheduled for living donor liver transplantation (LDLT). Her Child-Paugh and MELD scores were 11, 18, respectively at time of transplantation. Left lobe was obtained from her son. Preservation of the native suprarenal IVC was impossible due to massive fibrosis and thrombosed. The suprahepatic IVC was also fibrotic and unsuitable for anastomosis with hepatic vein. The retrohepatic IVC resected include suprahepatic IVC together with the liver. The supradiaphragmatic IVC was reached and encircled through opening the diaphragm around the IVC and a vascular clamp applied on the right atrium with subsequent anastomosis with hepatic vein of the graft. The hemodynamic stability of the patient was maintained throughout the operation without IVC replacement due to developed collateral vessels. CONCLUSION: Patients with Budd-Chiari syndrome with obstructive IVC are successfully treated with living donor liver transplantation without replacement of IVC. PMID- 29216532 TI - Spontaneous regression of pancreatic cancer: A case report and literature review. AB - INTRODUCTION: Spontaneous regression of cancer is defined as the partial or complete disappearance of malignant disease without treatment, or in the presence of therapy that is deemed inadequate to exert an influence on malignant disease, as composed by Tilden Everson and Warren Cole in the 1960s. It has been a topic of major interest in the field of medical and surgical oncology. It is poorly understood and scantily documented. Factors associated and postulated pathogeneses are at best, hypothetical. PRESENTATION OF CASE: We report a case of spontaneous resolution of a head of pancreas carcinoma in a 77-year-old gentleman after a myocardial infarction event delayed planned surgery. DISCUSSION: A literature review of previously reported cases of spontaneous regression of pancreatic cancer was performed. The possible predisposing factors to spontaneous regression of pancreatic and other forms of malignancies was reviewed. CONCLUSION: This is a novel case of spontaneous regression of pancreatic carcinoma after an episode of myocardial infarction. The pathophysiology to spontaneous resolution of cancer is not well understood, may be multifactorial and requires further study. PMID- 29216533 TI - Assessing the zoonotic potential of arboviruses of African origin. AB - Several African arboviruses have emerged over the past decade in new regions where they caused major outbreaks in humans and/or animals including West Nile virus, Chikungunya virus and Zika virus. This raise questions regarding the importance of less known zoonotic arboviruses in local epidemics in Africa and their potential to emerge internationally. Syndromic surveillance in animals may serve as an early warning system to detect zoonotic arbovirus outbreaks. Rift Valley fever and Wesselsbronvirus are for example associated with abortion storms in livestock while West Nile-virus, Shuni virus and Middelburg virus causes neurological disease outbreaks in horses and other animals. Death in birds may signal Bagaza virus and Usutu virus outbreaks. This short review summarise data on less known arboviruses with zoonotic potential in Africa. PMID- 29216534 TI - Thrombolytic therapy based on fucoidan-functionalized polymer nanoparticles targeting P-selectin. AB - Injection of recombinant tissue plasminogen activator (rt-PA) is the standard drug treatment for thrombolysis. However, rt-PA shows risk of hemorrhages and limited efficiency even at high doses. Polysaccharide-poly(isobutylcyanoacrylate) nanoparticles functionalized with fucoidan and loaded with rt-PA were designed to accumulate on the thrombus. Fucoidan has a nanomolar affinity for the P-selectin expressed by activated platelets in the thrombus. Solid spherical fluorescent nanoparticles with a hydrodynamic diameter of 136 +/- 4 nm were synthesized by redox radical emulsion polymerization. The clinical rt-PA formulation was successfully loaded by adsorption on aminated nanoparticles and able to be released in vitro. We validated the in vitro fibrinolytic activity and binding under flow to both recombinant P-selectin and activated platelet aggregates. The thrombolysis efficiency was demonstrated in a mouse model of venous thrombosis by monitoring the platelet density with intravital microscopy. This study supports the hypothesis that fucoidan-nanoparticles improve the rt-PA efficiency. This work establishes the proof-of-concept of fucoidan-based carriers for targeted thrombolysis. PMID- 29216535 TI - Nanoantagonists with nanophase-segregated surfaces for improved cancer immunotherapy. AB - The blockade of PD-1/PD-L1 interaction by peptide antagonists can unleash and enhance pre-existing anti-cancer immune responses of T cells to eradicate cancer cells. However, low proteolytic stability is the "Achilles' Heel" of peptides. Here, we first report a nanoantagonist with a physiological temperature sensitive nanophase-segregated surface that exhibits significantly enhanced blood circulation, peptide stability and PD-L1 immune checkpoint blockade efficacy. Thermosensitive polymers with different phase transition temperatures (Tt) are used to form the nanophase-segregated surface on an Au nanorod core. Importantly, the nanophase-segregated surface aids the nanoantagonist to resist protein adsorption and enhance the systemic stability of the linked peptides. Finally, the as-designed nanoantagonist effectively blocks PD-1/PD-L1 interaction in vitro and in vivo, enhances the pre-existing CD8+ T cell tumor destruction capability and inhibits tumor growth. This study offers a new strategy for designing nano formulations for cancer immunotherapy. PMID- 29216536 TI - Myelodysplastic syndromes without peripheral monocytosis but with evidence of marrow monocytosis share clinical and molecular characteristics with CMML. AB - MDS patients may present with monocytic marrow proliferation not fulfilling criteria for CMML. We analyzed MDS patients with or without a marrow monocytic proliferation by following up the amount of monocytic proliferation and characterizing their molecular profile. 315 MDS patients of Duesseldorf MDS registry were divided into two groups: A) 183 patients with monocytic esterase positive cells in marrow and monocytes between 101 and 900/MUl in blood and B) 132 patients without monocytic esterase positive cells in marrow and monocytes in blood <=100/MUl. Twenty patients of each group were screened with regard to ASXL1, TET2, RUNX1, SETBP1, NRAS, and SRSF2 using Illumina myeloid panel. Group A patients were older, had significantly higher WBC, hemoglobin levels, neutrophils and platelets. CMML evolution rates were 4.9% and 1.5%, respectively (p=n.s.). TET2, NRAS and SRFS2 mutation frequencies were higher in group A and four patients had coexisting TET2 and SRFS2 mutation, which was shown to be characteristic but not specific for CMML. MDS patients with marrow monocytic proliferation have a more CMML-like pheno- and genotype and develop CMML more often. Those patients could potentially be very early stages of CMML or represent a CMML-like myeloid neoplasma with marrow adherence of the monocytic cell population. PMID- 29216537 TI - Pneumocephalus and seizures following combined spinal-epidural for labor. PMID- 29216538 TI - TIP60 contributes to porcine embryonic development by regulating DNA damage response. AB - The acetyltransferase TIP60 (also known as Kat5) is a member of the MYST family of histone acetyltransferases and was initially identified as a cellular protein. TIP60 acetylates histone and non-histone proteins and is involved in diverse biological processes, including apoptosis, cell cycle, and DNA damage responses. In this study, a specific inhibitor of TIP60 was used to detect the function of TIP60 in porcine parthenogenetic embryos. The results showed that TIP60 inhibition impaired porcine parthenogenetic embryonic development. The mechanism of TIP60 was also determined. We found that the TIP60 inhibition impaired embryonic development by ROS induced DNA damage, as demonstrated by the number of gammaH2A in the nuclei. TIP60 inhibition triggered DNA damage through the regulation of p53-p21 pathway and TIP60 played a role in DNA repair. TIP60 inhibition decreased the efficiency of DNA repair by regulating 53BP1-dependent repair after DNA damage. Inhibition of TIP60 also increased the adaptive response, autophagy, by modulating LC3. Therefore, TIP60 plays a role in early porcine parthenogenetic embryonic development by regulating DNA damage and repair. PMID- 29216539 TI - Influence of extracellular environment on the motility and structural properties of spermatozoa collected from hormonally stimulated Panamanian Golden Frog (Atelopus zeteki). AB - A better understanding of the factors influencing the biology of amphibian spermatozoa after release from the testis is a prerequisite to the development of sperm preservation methods. The objective of the study was to determine the effect of extracellular conditions (exposure to water and different temperatures) over time on the sperm motility and structural properties (including morphology and DNA integrity) collected from hormonally stimulated Atelopus zeteki. Following intraperitoneal injection of gonadotropin-releasing hormone agonist (des-Gly10, D-Ala6, Pro-NHEt9 GnRH; 4 MUg/g of body weight), human chorionic gonadotropin (hCG, 10 IU/gbw), or AmphiplexTM (0.4 MUg/gbw GnRH-A + 10 MUg/gbw metoclopramide hydrochloride), spermic urine samples from 27 males were collected and analyzed for sperm motility, morphology and DNA integrity while maintained at room temperature (23 degrees C), 4 degrees C, or diluted in water (hypo-osmotic environment) over a period of 46 min post-collection. Percentages of sperm motility and forward progressive motility remained high (>60%) when spermic urine was kept at room temperature or at 4 degrees C for 46 min regardless of the hormonal stimulation method. Dilution in water at room temperature greatly reduced the percentage of motile spermatozoa and forward progression (<50%) as well as DNA integrity (32.8% of intact cells) after 23 min while morphology did not differ (30.4% of normal cells), regardless of the hormone stimulation. This is the first systematic study on the effect of extracellular environment over time on A. zeteki sperm quality. This will contribute to the development of sperm handling protocols and reproductive technologies for this and other endangered Atelopus species. PMID- 29216540 TI - Longitudinal study of retinal nerve fiber layer thickness changes in a multiple sclerosis patients cohort: A long term 5 year follow-up. AB - PURPOSE: To analyze the changes in retinal nerve fiber layer (RNFL) in eyes with and without prior history of optic neuritis (ON) of patients with multiple sclerosis (MS) after a 5-year time period (2010-2015) using optical coherence tomography. METHODS: The RNFL thickness of 114 eyes of 57 MS patients and 40 eyes of 20 healthy subjects were measured in year 2010 and year 2015. Measurements were made separately in twelve sectors around the optic nerve head. Statistical comparisons were made with the obtained data. RESULTS: Progressive RNFL thinning occurs with time in both MS patients (regardless the eye had history of ON or not) and in normal subjects. The baseline mean RNFL thickness in ON eyes of MS patients (year 2010) was 74.2 +/- 15.7um and five years later was 68.7 +/- 12.2um. The baseline mean RNFL thickness in eyes without ON of MS patients was 90.0 +/- 11.1um and 84.7 +/- 10.3um five years later. The median RNFL thickness reduction was 3.5um for ON eyes, 4.7um for eyes without ON, and 2.2um for control eyes. The RNFL thickness reduction rate was similar in eyes with history of ON that in those with no history of ON. On the contrary, the MS group had a significantly higher rate of reduction than the control group. CONCLUSIONS: MS patients have thinner RNFL than normal controls, regardless their eyes had past episodes of ON or not. Eyes of MS patients lose their axons in a similar fashion regardless they had history of ON or not. Although ON causes RNFL loss, once resolved it does not influence the rate of RNFL loss in MS patients. PMID- 29216541 TI - Texting while walking differently alters gait patterns in people with multiple sclerosis and healthy individuals. AB - BACKGROUND: In recent times, increasing safety concerns have been associated with the use of mobile phones by pedestrians. In particular, texting has been shown to significantly alter gait patterns. However, no specific investigations have been performed on people with Multiple Sclerosis (pwMS), who are already characterized by gait dysfunctions caused by the disease. OBJECTIVE: To assess the existence of possible alterations in spatio-temporal parameters of gait in pwMS when simultaneously texting on a smartphone and walking. METHODS: Fifty-four pwMS (mean age 40.5 +/- 10.5) and 40 age-matched unaffected individuals were tested in two conditions: walking, and walking while texting on a smartphone. Spatio temporal parameters of gait were assessed using a wearable accelerometer located on the lower back. RESULTS: Texting induces reduction of gait speed, stride length and cadence in both groups, but such changes were smaller in magnitude in pwMS. An increase of stance and double support and reduction of swing phase were observed in pwMS only. CONCLUSIONS: Texting alters gait patterns of pwMS differently from unaffected individuals, probably due to a different prioritization of the task, which appears to take into account the motor and sensory impairments associated with the disease by favoring the motor task. PMID- 29216543 TI - A socio-economic hypothesis for lower birth sex ratios at racial, national and global levels. AB - The sex ratio at birth may be depressed by a variety of events or conditions due to an excess of male foetal losses. Evidence is accumulating that observed differences in this ratio between races, nations and even at regional global level, may be due to socio-economic stress. This review summarises findings pertaining to Blacks in the United States, and to a global United Nations dataset, as well as to other smaller studies. Extant evidence reinforces the theory that chronic socio-economic stress may be the reason for a lower birth sex ratio at racial, national and global levels. While innate periconceptual and gestational (e.g. hormonal) racial differences have been cited as possible causes for these M/T differences, this may be a mechanism/pathway and not the actual cause for lower M/T. Stress may, however, act by using hormonal pathways to effect the observed M/T disparities. PMID- 29216542 TI - Loss of heme oxygenase-1 accelerates mesodermal gene expressions during embryoid body development from mouse embryonic stem cells. AB - Heme oxygenase (HO)-1 is an inducible stress response protein and well known to protect cells and tissues against injury. Despite its important function in cytoprotection against physiological stress, the role of HO-1 in embryonic stem cell (ESC) differentiation remains largely unknown. We showed previously that induced pluripotent stem (iPS) cells that lack HO-1 are more sensitive to oxidant stress-induced cell death and more prone to lose pluripotent markers upon LIF withdrawal. To elucidate the role of HO-1 in ESC differentiation and to rule out the controversy of potential gene flaws in iPS cells, we derived and established mouse HO-1 knockout ESC lines from HO-1 knockout blastocysts. Using wild type D3 and HO-1 knockout ESCs in the 3-dimensional embryoid body (EB) differentiation model, we showed that at an early time point during EB development, an absence of HO-1 led to enhanced ROS level, concomitant with increased expressions of master mesodermal regulator brachyury and endodermal marker GATA6. In addition, critical smooth muscle cell (SMC) transcription factor serum response factor and its coactivator myocardin were enhanced. Furthermore, HO-1 deficiency increased Smad2 in ESCs and EBs, revealing a role of HO-1 in controlling Smad2 level. Smad2 not only mediates mesendoderm differentiation of mouse ESCs but also SMC development. Collectively, loss of HO-1 resulted in higher level of mesodermal and SMC regulators, leading to accelerated and enhanced SMC marker SM alpha-actin expression. Our results reveal a previously unrecognized function of HO-1 in regulating SMC gene expressions during ESC-EB development. More importantly, our findings may provide a novel strategy in enhancing ESC differentiation toward SMC lineage. PMID- 29216544 TI - Crystal structures of murine and human Histamine-Releasing Factor (HRF/TCTP) and a model for HRF dimerisation in mast cell activation. AB - In allergic disease, mast cell activation is conventionally triggered by allergen mediated cross-linking of receptor-bound IgE on the cell surface. In addition to its diverse range of intracellular roles in apoptosis, cell proliferation and cancer, Histamine-Releasing Factor (HRF) also activates mast cells and basophils. A subset of IgE antibodies bind HRF through their Fab regions, and two IgE binding sites on HRF have been mapped. HRF can form dimers, and a disulphide linked dimer is critical for activity. The current model for the activity of HRF in mast cell activation involves cross-linking of receptor-bound IgE by dimeric HRF, mediated by HRF/Fab interactions. HRF crystal and solution structures have provided little insight into either the formation of disulphide-linked HRF dimers or the ability of HRF to activate mast cells. We report the first crystal structure of murine HRF (mHRF) to 4.0A resolution, revealing a conserved fold. We also solved the structure of human HRF (hHRF) in two new crystal forms, one at the highest resolution (1.4A) yet reported. The high resolution hHRF structure reveals a disulphide-linked dimer, in which the two molecules are closely associated, and provides a model for the role of both human and murine HRF in mast cell activation. PMID- 29216545 TI - Occurrence of selected halogenated flame retardants in Belgian foodstuff. AB - This paper reports on the occurrence of halogenated flame retardants (HFRs), namely PBDEs, HBCDs, TBBPA, brominated phenols (BrPhs), dechlorane plus (DP) and emerging FRs in a variety of Belgian foodstuffs. A total of 183 composite food samples were analyzed by GC-MS and LC-MS/MS techniques for the presence of HFRs. The analyses revealed that 72% of the samples was contaminated with HFRs to some extent. The highest number of contaminated samples was observed within the group 'Potatoes and derived products', 'Fish and fish products' and 'Meat and meat products', while the least contaminated group was 'Food for infants and small children'. The total HFR content ranged from 20 d. Additionally, the addition of manure slightly increased degradation rates of SDZ and SMX, but there were no significant differences between single and repeated manure application at a later stage (p > 0.05), which suggested that the degradation was affected by both biotic and abiotic factors. Degradation rates would be slower at a higher concentration, indicating that degradation kinetics of SDZ and SMX were dependent on initial concentrations. During the degradation period, the antibiotics removal may change temperature, pH, sulfate and nitrate in soil, which suggested that the variation of antibiotics concentrations was related to the changes of soil physicochemical properties. An equation was proposed to elucidate the link between adsorption and degradation under different conditions, and to predict potential environmental risks of antibiotics. PMID- 29216547 TI - Seasonal variations of C1-C4 alkyl nitrates at a coastal site in Hong Kong: Influence of photochemical formation and oceanic emissions. AB - Five C1-C4 alkyl nitrates (RONO2) were measured at a coastal site in Hong Kong in four selected months of 2011 and 2012. The total mixing ratios of C1-C4 RONO2 (Sigma5RONO2) ranged from 15.4 to 143.7 pptv with an average of 65.9 +/- 33.0 pptv. C3-C4 RONO2 (2-butyl nitrate and 2-propyl nitrate) were the most abundant RONO2 during the entire sampling period. The mixing ratios of C3-C4 RONO2 were higher in winter than those in summer, while the ones of methyl nitrate (MeONO2) were higher in summer than those in winter. Source analysis suggests that C2-C4 RONO2 were mainly derived from photochemical formation along with biomass burning (58.3-71.6%), while ocean was a major contributor to MeONO2 (53.8%) during the whole sampling period. The photochemical evolution of C2-C4 RONO2 was investigated, and found to be dominantly produced by the parent hydrocarbon oxidation. The notable enrichment of MeONO2 over C3-C4 RONO2 was observed in a summer episode when the air masses originating from the South China Sea (SCS) and MeONO2 was dominantly derived from oceanic emissions. In order to improve the accuracy of ozone (O3) prediction in coastal environment, the relative contribution of RONO2 from oceanic emissions versus photochemical formation and their coupling effects on O3 production should be taken into account in future studies. PMID- 29216548 TI - Temporal variability in Cu speciation, phytotoxicity, and soil microbial activity of Cu-polluted soils as affected by elevated temperature. AB - Global warming has obtained increasing attentions due to its multiple impacts on agro-ecosystem. However, limited efforts had been devoted to reveal the temporal variability of metal speciation and phytotoxicity of heavy metal-polluted soils affected by elevated temperature under the global warming scenario. In this study, effects of elevated temperature (15 degrees C, 25 degrees C, and 35 degrees C) on the physicochemical properties, microbial metabolic activities, and phytotoxicity of three Cu-polluted soils were investigated by a laboratory incubation study. Soil physicochemical properties were observed to be significantly altered by elevated temperature with the degree of temperature effect varying in soil types and incubation time. The Biolog and enzymatic tests demonstrated that soil microbial activities were mainly controlled and decreased with increasing incubation temperature. Moreover, plant assays confirmed that the phytotoxicity and Cu uptake by wheat roots were highly dependent on soil types but less affected by incubation temperature. Overall, the findings in this study have highlighted the importance of soil types to better understand the temperature-dependent alternation of soil properties, Cu speciation and bioavailability, as well as phytotoxicity of Cu-polluted soils under global warming scenario. The present study also suggests the necessary of investigating effects of soil types on the transport and accumulation of toxic elements in soil crop systems under global warming scenario. PMID- 29216549 TI - Kinetic research on dechlorinating dichlorobenzene in aqueous system by nano scale nickel/iron loaded with CMC/NFC hydrogel. AB - In this study, we reported on the nano-scale nickel/iron particles loaded in carboxymethyl/nanofibrillated cellulose (CMC/NFC) hydrogel for the dechlorination of o-dichlorobenzene (DCB) in aqueous solution. The biodegradable hydrogel may provide an ideal supporting material for fastening the bimetallic nano-scale particles, which was examined and characterized by TEM, SEM-EDX, FT-IR and BET. The performance of the selected bimetallic particles was evaluated by conducting the dechlorination of DCB in the solution under different reaction conditions (e.g., pH, dosage of nickel/iron nanoparticles and temperature). The results showed that about 70% of DCB could be dechlorinated at 20 degrees C in 8 h, which indicated that the immobilized reactive material had a high reduction activity when Ni/Fe loading dosage in the hydrogel (18 wt%) was considered. Moreover, the reduction behavior agreed to the pseudo-first order reaction, in which the dechlorination rate was irrelative to the pH aqueous solution. A kinetic model for predicting the concentration of DCB during the reduction reaction was established based on the experimental data. PMID- 29216550 TI - Response surface methodology optimization for sorption of malachite green dye on sugarcane bagasse biochar and evaluating the residual dye for phyto and cytogenotoxicity. AB - In the present study, sorption and detoxification of malachite green (MG) dye was executed using biochar resulting after pyrolysis of agro-industrial waste at 400, 600 and 800 degrees C. Maximum sorption of MG dye (3000 mg/L) was observed on the sugarcane bagasse biochar (SCB) prepared at 800 degrees C. The interactive effects of different factors like dye concentration, time, pH and temperature on sorption of MG dye were investigated using response surface methodology (RSM). Optimum MG dye concentration, contact time, temperature and pH predicted through Box-Behnken based RSM model were 3000 mg/L MG dye, 51.89 min, 60 degrees C and 7.5, respectively. ANOVA analysis displayed the non-significant lack of fit value (0.4566), whereas, the predicted correlation coefficient values (R2 0.8494) were reasonably in agreement with the adjusted value (R2 0.9363) demonstrating highly significant model for MG dye sorption. The applicability of this model was also checked through F- test (30.39) with lower probability (0.0001) value. Furthermore, the characterization of SCB was performed using fourier transform infra-red spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), Brunauer-Emmett-Teller surfaces (BET), total organic carbon (TOC) and atomic absorption spectroscopy (AAS). Phyto-toxicity and cytogenotoxicity studies showed successful removal of MG dye using SCB. In addition, the batch sorption studies for reutilization of SCB revealed that the SCB was effective in removal of MG for five repeated cycles. This technology would be effective for treating the toxic textile effluent released from the textile industries. PMID- 29216551 TI - Inhalation dose due to Rn-222, Rn-220 and their progeny in indoor environments. AB - Radon (Rn-222), thoron (Rn-220) and its progeny are the natural radioactive gases emitted everywhere in different concentration. These carcinogenic substances were known to be responsible for lung cancer. Human exposure of these gases in an indoor environment was principally dependent on the house types like concrete, slate, mud-tin etc. Rate of exposure is also influenced by unplanned construction and associated poor ventilation.The study of inhalation dose with house type and the associated indoor environment were important to study the exposure due to natural ionising radiation. In this study, we report the results from passive measurement of indoor radon, thoron and their progeny concentrations in Bilaspur district of Himachal Pradesh, India. The measurement was performed at selected 95 dwellings, based on outdoor ambient gamma level and type of houses. Highest inhalation dose due to indoor radon, thoron and their progeny were found in mud houses in comparison to other concrete, slate and tin type of houses. The average annual inhalation dose thus found due to exposure to radon and thoron varies from 0.1 to 0.5mSv/y in the concrete, 0.3-0.6 in mud and slate type of houses whereas 0.1-0.4 in mud-tin type. The estimated average value of radon, thoron and their progeny concentrations were used to estimate total annual inhalation dose. PMID- 29216552 TI - Geographic and host size variations as indicators of Anisakis pegreffii infection in European pilchard (Sardina pilchardus) from the Mediterranean Sea: Food safety implications. AB - European pilchards are traditionally eaten marinated or salted in the Mediterranean countries often without thermal processing or gutting due to small size. Since ingestion of live third stage Anisakis larvae represents a causing agent in the onset of anisakiasis, the aim of our study was to assess prevalence and intensity of Anisakis infection in European pilchards originating from different Mediterranean regions in a three-year sampling period (2013-2015). A total of 1564 specimens of European pilchard collected from two geographically distinct sampling regions (western Mediterranean and Adriatic Sea) were examined using the UV-Press method, which utilises the fluorescence of frozen anisakids in flattened and subsequently frozen fillets and viscera. A subsample of 67 isolated larvae was identified as A. pegreffii by diagnostic allozyme markers and sequence analyses of the mtDNA cox2 locus. The overall prevalence in pilchards was 12.2% (range 0-44.9% for different sampling points) and mean intensity 1.8. More importantly, we have observed an overall larval prevalence of 1.5% in fillets. The highest prevalence (44.9%) was recorded in pilchards caught in western parts of the Mediterranean. As fish host size was a significant predictor of parasite abundance, it should be highlighted that these pilchards were also the largest (mean total length 173.2mm); on average >2cm larger than the rest of the samples. Other isolated nematode species included Hysterothylacium sp. in viscera, showing almost a double of A. pegreffii prevalence, 20.1%. In summary, our study demonstrates that the presence of A. pegreffii in European pilchards from the Mediterranean Sea is highly influenced by both geographic and host size variation. This implies that, before future risk management measures are developed, these variables should be assessed in order to minimize public health concerns. PMID- 29216553 TI - Mathematical quantification of the induced stress resistance of microbial populations during non-isothermal stresses. AB - This contribution presents a mathematical model to describe non-isothermal microbial inactivation processes taking into account the acclimation of the microbial cell to thermal stress. The model extends the log-linear inactivation model including a variable and model parameters quantifying the induced thermal resistance. The model has been tested on cells of Escherichia coli against two families of non-isothermal profiles with different constant heating rates. One of the families was composed of monophasic profiles, consisting of a non-isothermal heating stage from 35 to 70 degrees C; the other family was composed of biphasic profiles, consisting of a non-isothermal heating stage followed by a holding period at constant temperature of 57.5 degrees C. Lower heating rates resulted in a higher thermal resistance of the bacterial population. This was reflected in a higher D-value. The parameter estimation was performed in two steps. Firstly, the D and z-values were estimated from the isothermal experiments. Next, the parameters describing the acclimation were estimated using one of the biphasic profiles. This set of parameters was able to describe the remaining experimental data. Finally, a methodology for the construction of diagrams illustrating the magnitude of the induced thermal resistance is presented. The methodology has been illustrated by building it for a biphasic temperature profile with a linear heating phase and a holding phase. This diagram provides a visualization of how the shape of the temperature profile (heating rate and holding temperature) affects the acclimation of the cell to the thermal stress. This diagram can be used for the design of inactivation treatments by industry taking into account the acclimation of the cell to the thermal stress. PMID- 29216554 TI - Active nanocomposite films based on soy proteins-montmorillonite- clove essential oil for the preservation of refrigerated bluefin tuna (Thunnus thynnus) fillets. AB - This manuscript evaluates the potential application of active nanocomposite films based on soy protein isolate (SPI)-montmorillonite (MMT)-clove essential oil (CEO) to the preservation of muscle fillets of bluefin tuna (Thunnus thynnus) during refrigerated storage, and furthermore analyzes whether the clay diffuses from the package to food. SPI films with: CEO (SPI-CEO), MMT (SPI-MMT), or both CEO and MMT (SPI-MMT-CEO), were prepared and used to cover tuna fillets during 17days of storage at 2 degrees C. Polyethylene films were also used as control. Protein films nanoreinforced with 10g MMT/100g SPI and activated with CEO were able to decrease microbial growth (evaluated by TVBN and microorganism counts) and lipid autooxidation (evaluated according to the TBA index, FTIR and color parameters) of tuna fillets during the storage period studied. The presence of clay seemed to favor the release of the active principles of clove oil by prolonging its antimicrobial (especially effective to inhibit Pseudomonas spp.) and antioxidant activity over time without observing the diffusion of the clay's own metals (Si and Al) from the nanocomposite materials to the muscle of fish. These results are encouraging for the use of nanocomposite films in food packaging. PMID- 29216555 TI - Investigation on chlorine-based sanitization under stabilized conditions in the presence of organic load. AB - Chlorine, the most commonly used sanitizer for fresh produce washing, has constantly shown inferior sanitizing efficacy in the presence of organic load. Conventionally this is attributed indirectly to the rapid chlorine depletion by organics leading to fluctuating free chlorine (FC) contents. However, little is known on whether organic load affects the sanitization process directly at well maintained FC levels. Hereby, a sustained chlorine decay approach was employed to study the inactivation of Escherichia coli O157:H7 under stabilized washing conditions. Chlorine solution was first incubated with organic load for up to 4h, modeling the chlorination in produce washing lines. The FC level was then stabilized at five targeted values for sanitization study. Our study showed decreased sanitizing efficacy as the organic load increased. At 5s residence time and pH6.5, a minimum of 0.5 and 7.5mg/L FC were needed to achieve a 5 log reduction at 0 and 900mg/L chemical oxygen demand (COD), respectively. The decrease was more pronounced at lower FC, higher COD, higher pH, and shorter residence time values. The organics-associated interference with FC measurement and disruption of chlorine/bacteria interaction, together with the chlorine demand of concentrated inoculum per se, collectively resulted in inadequate sanitization. Finally, our results were compared with existing studies conducted under dynamic conditions in the context of different experimental settings. This study provided a feasible method for studying the bacteria/sanitizer interaction while ruling out the confounding effect from fluctuating FC levels, and it indicated the direct, negative impact of organic load. PMID- 29216556 TI - Influence of water activity and temperature on growth and fumonisin production by Fusarium proliferatum strains on irradiated wheat grains. AB - Wheat is the most important cereal consumed by the Argentine population. In previous studies performed in durum and common wheat grains in this country it has been observed fumonisin contamination as well as high incidence of Fusarium proliferatum. Fumonisins are toxic fungal metabolites, and consumption of fumonisin-contaminated maize has been epidemiologically associated with oesophageal cancer and neural tube defects in some human populations. Using irradiated wheat-grains, the effects of abiotic factors, temperature (15, 25, and 30 degrees C) and water activity (aW; 0.995, 0.98, 0.96, 0.94, 0.92, and 0.88), on mycelial growth and fumonisin biosynthesis were compared for three F. proliferatum strains isolated from wheat grains in Argentina. Although all isolates showed similar profiles of growth, the fumonisin production profiles were slightly different. Maximum growth rates were obtained at the highest aW (0.995) and 25 degrees C, with growth decreasing as the aW of the medium was reduced. Maximum amounts of total fumonisins (FB1, FB2 and FB3) were produced at 0.995 aW and 15 degrees C for 2 strains, and at 25 degrees C and 0.995 aW for the third one. Fumonisins concentrations varied considerably depending on the aW and temperature interactions assayed. Studied strains showed different fumonisin production profiles. Two-dimensional profiles of aW by temperature interactions were developed from these data to identify areas where conditions indicate a significant risk of fumonisins accumulation on wheat. As a result, temperature and aW conditions that resulted in fumonisins production are those found during wheat grain development (especially milk and dough stages) in the field. This is the first study made using irradiated wheat grains and provides useful baseline data on conditions representing a low or a high risk for fumonisins contamination of wheat grains which is of concern because this cereal is destined mainly for human consumption. PMID- 29216557 TI - Subcortical volumetric differences between clinical stages of young people with affective and psychotic disorders. AB - The aim of this study was to investigate differences in subcortical and hippocampal volumes between healthy controls, young people at an early stage of affective and psychotic disorders and those in more advanced stages, to identify markers associated with functional outcomes and illness severity. Young people presenting to youth mental health services with admixtures of depressive, manic and psychotic symptoms (n = 141), and healthy counterparts (n = 49), aged 18-25 were recruited. Participants underwent magnetic resonance imaging, clinical assessments and were rated as to their current clinical stage. Eighty-four patients were classified at the attenuated syndrome stage (Stage 1b) and 57 were classified as having discrete and persistent disorders (Stage 2+). Automated segmentation was performed using NeuroQuant(r) to determine volumes of subcortical and hippocampus structures which were compared between groups and correlated with clinical and functional outcomes. Compared to healthy controls, Stage 2+ patients showed significantly reduced right amygdala volumes. Whereas Stage 1b patients showed significantly reduced left caudate volumes compared to healthy controls. Smaller left caudate volume correlated with greater psychological distress and impaired functioning. This study shows a clinical application for an automated program to identify and track subcortical changes evident in young people with emerging psychopathology. PMID- 29216558 TI - Maternal support following childhood sexual abuse: Relationships to child reported. AB - Maternal support has been conceptualized as a key factor in predicting children's functioning following sexual abuse; however, empirical evidence for this assumption is rather limited. Prior studies may have failed to find a relationship between maternal support and children's outcomes due to the methodological weaknesses of the prior literature such as the use of maternal support measures without adequately reported psychometric properties. Moreover, relatively few studies have investigated whether maternal support corresponds with children's own self-reported symptoms. The aim of the present study was to utilize the only published measure of maternal support with sufficient psychometrics, the Maternal Self-Report Support Questionnaire (MSSQ; Smith et al., 2010), to determine if levels of pre-treatment support are associated with children's self-reported trauma-related symptoms among 165 treatment-seeking children (M=10.85, SD=3.09) and their non-offending mothers. Levels of maternal emotional support corresponded with few of children's outcomes, and when relationships were observed, emotional support was related to higher levels of symptoms. Maternal levels of blame and doubt were only associated with dissociative symptoms. Maternal support therefore appears to be an ineffective predictor of children's post-disclosure trajectories and raises the possibility that maternal support is linked with poorer functioning. PMID- 29216559 TI - Pregnancy outcomes and ethanol cook stove intervention: A randomized-controlled trial in Ibadan, Nigeria. AB - BACKGROUND: Household air pollution (HAP) exposure has been linked to adverse pregnancy outcomes. OBJECTIVES: A randomized controlled trial was undertaken in Ibadan, Nigeria to determine the impact of cooking with ethanol on pregnancy outcomes. METHODS: Three-hundred-twenty-four pregnant women were randomized to either the control (continued cooking using kerosene/firewood stove, n=162) or intervention group (received ethanol stove, n=162). Primary outcome variables were birthweight, preterm delivery, intrauterine growth restriction (IUGR), and occurrence of miscarriage/stillbirth. RESULTS: Mean birthweights for ethanol and controls were 3076 and 2988g, respectively; the difference, 88g, (95% confidence interval: -18g to 194g), was not statistically significant (p=0.10). After adjusting for covariates, the difference reached significance (p=0.020). Rates of preterm delivery were 6.7% (ethanol) and 11.0% (control), (p=0.22). Number of miscarriages was 1(ethanol) vs. 4 (control) and stillbirths was 3 (ethanol) vs. 7 (control) (both non-significant). Average gestational age at delivery was significantly (p=0.015) higher in ethanol-users (39.2weeks) compared to controls (38.2weeks). Perinatal mortality (stillbirths and neonatal deaths) was twice as high in controls compared to ethanol-users (7.9% vs. 3.9%; p=0.045, after adjustment for covariates). We did not detect significant differences in exposure levels between the two treatment arms, perhaps due to large seasonal effects and high ambient air pollution levels. CONCLUSIONS: Transition from traditional biomass/kerosene fuel to ethanol reduced adverse pregnancy outcomes. However, the difference in birthweight was statistically significant only after covariate adjustment and the other significant differences were in tertiary endpoints. Our results are suggestive of a beneficial effect of ethanol use. Larger trials are required to validate these findings. PMID- 29216560 TI - Identification of an oxime-containing C-glucosylarene as a potential inhibitor of sodium-dependent glucose co-transporter 2. AB - Treatment of hyperglycemia with drugs that block renal glucose reabsorption via inhibition of sodium-dependent glucose cotransporter 2 (SGLT2) is a novel approach to diabetes management. In this study, twenty-seven aryl C-glycosides bearing a C=N/C-N linkage at the glucosyl C6 position were designed, synthesized and evaluated for their inhibitory activity against human SGLT2 (hSGLT2). Compounds with good hSGLT2 inhibition were further investigated to determine their selectivity over hSGLT1. Of these, five representative aryl C-glycosides were chosen for pharmacokinetic analysis. Oxime 2a was determined to have the most promising pharmacokinetic properties and was selected for in vivo glucosuria and plasma glucose level studies, which found it to exhibit comparable efficacy to dapagliflozin (1). Furthermore, 2a was not found to exhibit either significant cytotoxicity (CC50 > 50 MUM) or human ether-a-go-go related gene (hERG) inhibition (2% inhibition at 10 MUM). Taken together, these efforts culminated in the discovery of oxime 2a as a potential SGLT2 inhibitor. PMID- 29216561 TI - Design, synthesis and evaluation of an anthraquinone derivative conjugated to myelin basic protein immunodominant (MBP85-99) epitope: Towards selective immunosuppression. AB - Anthraquinone type compounds, especially di-substituted amino alkylamino anthraquinones have been widely studied as immunosuppressants. The anthraquinone ring is part of mitoxandrone that has been used for the treatment of multiple sclerosis (MS) and several types of tumors. A desired approach for the treatment of MS would be the immunosuppression and elimination of specific T cells that are responsible for the induction of the disease. Herein, the development of a peptide compound bearing an anthraquinone derivative with the potential to specifically destroy the encephalitogenic T cells responsible for the onset of MS is described. The compound consists of the myelin basic protein (MBP) 85-99 immunodominant epitope (MBP85-99) coupled to an anthraquinone type molecule (AQ) via a disulfide (S-S) and 6 amino hexanoic acid (Ahx) residues (AQ-S-S (Ahx)6MBP85-99). AQ-S-S-(Ahx)6MBP85-99 could bind to HLA II DRB1*-1501 antigen with reasonable affinity (IC50 of 56 nM) The compound was localized to the nucleus of Jurkat cells (an immortalized line of human T lymphocytes) 10 min after its addition to the medium and resulted in lowered Bcl-2 levels (apoptosis). Entrance of the compound was abolished when cells were pre-treated with cisplatin, an inhibitor of thioredoxin reductase. Accordingly, levels of free thiols were elevated in the culture supernatants of Jurkat cells exposed to N-succinimidyl 3-(2-pyridyldithio) propionate coupled to (Ahx)6MBP85-99 via a disulphide (SPDP-S-S-(Ahx)6MBP85-99) but returned to normal after exposure to cisplatin. These results raise the possibility of AQ-S-S-(Ahx)6MBP85-99 being used as an eliminator of encephalitogenic T cells via implication of the thioredoxin system for the generation of the toxic, thiol-containing moiety (AQ SH). Future experiments would ideally determine whether SPDP-S-S-(Ahx)6MBP85-99 could incorporate into HLA II DRB1*-1501 tetramers and neutralize encephalitogenic T cell lines sensitized to MBP85-99. PMID- 29216562 TI - Substituted carbamothioic amine-1-carbothioic thioanhydrides as novel trichomonicidal fungicides: Design, synthesis, and biology. AB - Sexually transmitted diseases like trichomoniasis along with opportunistic fungal infections like candidiasis are major global health burden in female reproductive health. In this context a novel non-nitroimidazole class of substituted carbamothioic amine-1-carbothioic thioanhydride series was designed, synthesized, evaluated for trichomonacidal and fungicidal activities, and was found to be more active than the standard drug Metronidazole (MTZ). Compounds were trichomonicidal in the MIC ranges of 4.77-294.1 MUM and 32.46-735.20 MUM against MTZ-susceptible and -resistant strains, respectively. Further, compounds inhibited the growth of at least two out of ten fungal strains tested at MIC of 7.50-240.38 MUM. The most active compound (20) of this series was 3.8 and 9.5 fold more active than the MTZ against the two Trichomonas strains tested. Compound 20 also significantly inhibited the sulfhydryl groups present over Trichomonas vaginalis and was found to be more active than the MTZ in vivo. Further, a docking analysis carried out with cysteine proteases supported their thiol inhibiting ability and preliminary pharmacokinetic study has shown good distribution and systemic clearance. PMID- 29216563 TI - Synthesis and antimicrobial activity of amino acid and peptide derivatives of mycophenolic acid. AB - The series of 16 novel amino acid and peptide mycophenolic acid (MPA) derivatives was obtained as potential antibacterial agents. Coupling of MPA with respective amines was optimized with condensing reagents such as EDCI/DMAP and T3P/TEA. Amino acid analogs were received both as methyl esters and also with the free carboxylic group. The biological activity of the products was tested on five references bacterial strains: Klebsiella pneumoniae ATCC 700603 (ESBL), Escherichia coli ATCC 8739, Pseudomonas aeruginosa ATCC 27853, Staphylococcus aureus MRSA ATCC 43300, Staphylococcus aureus MSSA ATCC 25923. Peptide derivatives proved to be the most versatile ones, their MIC values relative to most strains was lower than MPA alone. It has been noted that the activity of amino acid derivatives depends on the configuration at the chiral center in the amino acid unit and methyl esters indicated better antimicrobial activity than analogs with free carboxylic group. PMID- 29216564 TI - p27kip1 as a key regulator of endometriosis. AB - p27kip1 as a key regulator of endometriosis Goncalves GA p27kip1 is a cyclin dependent kinase (CDK) inhibitor whose specific late G1 destruction allows progression of the cell across the G1/S boundary. There is a direct relationship between low level of p27 and rapid proliferation occurring in several benign states and in many malignances. In the glandular cells of the normal endometrium, the level of p27kip1 is exceedingly low during the proliferative phase, whereas it is markedly increased during the secretory phase. The expression of p27kip1 in endometriosis is very low but has been found to increase following treatment with progesterone. However, estrogen exposure is considered as a major risk factor in developing endometrial cancer. Endometriosis endometrial cells cultures have also lower levels of p27kip1 compared to heath endometrial cells cultures and restore the cell cycle balance when transduced with an adenoviral vector carring the p27kip1 coding gene (Adp27EGFP). More uniform and rigorous studies are required to confirm these and additional markers utility in a diagnostic and possible treatment panel. As a major clinical priority is to determine which lesions can be treated medically and which require surgical intervention, focusing future studies on markers that distinguish response to hormone therapy or are involved in hormone regulation, will be important future considerations. The goal of this highlight review is to provide a broad overview of the advancements in studies about endometriosis mainly correlating the cytokine p27kip1 expression with the diagnostic and disease treatment. PMID- 29216565 TI - Incidence, prevalence, mortality, disability-adjusted life years and risk factors of cancer in Australia and comparison with OECD countries, 1990-2015: findings from the Global Burden of Disease Study 2015. AB - BACKGROUND: Comparative evidence on the burden, trend, and risk factors of cancer is limited. Using data from the Global Burden of Disease (GBD) study, we aimed to assess cancer burden - incidence, prevalence, mortality, disability-adjusted life years (DALYs) - and attributable risk factors for Australia between 1990 and 2015, and to compare them with those of 34 members of the Organisation for Economic Co-operation and Development (OECD). METHODS: The general GBD cancer estimation methods were used with data input from vital registration systems and cancer registries. A comparative risk assessment approach was used to estimate the population-attributable fractions due to risk factors. RESULTS: In 2015 there were 198,880 (95% uncertainty interval [UI]: 183,908-217,365) estimated incident cancer cases and 47,562 (95% UI: 46,061-49,004) cancer deaths in Australia. Twenty-nine percent (95% UI: 28.2-29.8) of total deaths and 17.0% (95% UI: 15.0 19.1) of DALYs were caused by cancer in Australia in 2015. Cancers of the trachea, bronchus and lung, colon and rectum, and prostate were the most common causes of cancer deaths. Thirty-six percent (95% UI: 33.1-37.9) of all cancer deaths were attributable to behavioral risks. The age-standardized cancer incidence rate (ASIR) increased between 1990 and 2015, while the age-standardized cancer death rate (ASDR) decreased over the same period. In 2015, compared to 34 other OECD countries Australia ranked first (highest) and 24th based on ASIR and ASDR, respectively. CONCLUSION: The incidence of cancer has increased over 25 years, and behavioral risks are responsible for a large proportion of cancer deaths. Scaling up of prevention (using strategies targeting cancer risk factors), early detection, and treatment of cancer is required to effectively address this growing health challenge. PMID- 29216566 TI - New platinum (II) and palladium (II) complexes of coumarin-thiazole Schiff base with a fluorescent chemosensor properties: Synthesis, spectroscopic characterization, X-ray structure determination, in vitro anticancer activity on various human carcinoma cell lines and computational studies. AB - A new coumarin-thiazole based Schiff base (Ligand, L) and its Pd(II), Pt(II) complexes; ([Pd(L)2] and [Pt(L)2]), were synthesized and characterized using spectrophotometric techniques (NMR, IR, UV-vis, LC-MS), magnetic moment, and conductivity measurements. A single crystal X-ray analysis for only L was done. The crystals of L have monoclinic crystal system and P21/c space group. To gain insight into the structure of L and its complexes, we used density functional theory (DFT) method to optimize the molecules. The photophysical properties changes were observed after deprotonation of L with CN- via intermolecular charge transfer (ICT). Additionally, as the sensor is a colorimetric and fluorimetric cyanide probe containing active sites such as coumarin-thiazole and imine (CH=N), it showed fast color change from yellow to deep red in the visible region, and yellow fluorescence after CN- addition to the imine bond, in DMSO. The reaction mechanisms of L with CN-, F- and AcO- ions were evaluated using 1H NMR shifts. The results showed that, the reaction of L with CN- ion was due to the deprotonation and addition mechanisms at the same time. The anti-cancer activity of L and its Pd(II) and Pt(II) complexes were evaluated in vitro using MTT assay on the human cancer lines MCF-7 (human breast adenocarcinoma), LS174T (human colon carcinoma), and LNCAP (human prostate adenocarcinoma). The anti-cancer effects of L and its complexes, on human cells, were determined by comparing the half maximal inhibitory concentration (IC50) values. The activity results showed that, the Pd(II) complex of L has higher anti-tumor effect than L and its Pt(II) complex against the tested human breast adenocarcinoma (MCF-7), human prostate adenocarcinoma (LNCAP), and human colon carcinoma (LS174T) cell lines. PMID- 29216567 TI - Biocompatible nanocomposite of TiO2 incorporated bi-polymer for articular cartilage tissue regeneration: A facile material. AB - The development and design of polymeric hydrogels for articular cartilage tissue engineering have been a vital biomedical research for recent days. Organic/inorganic combined hydrogels with improved surface activity have shown potential for the repair and regeneration of hard tissues, but have not been broadly studied for articular cartilage tissue engineering applications. In this work, bi-polymeric hydrogel composite was designed with the incorporation some quantities of stick-like TiO2 nanostructures for favorable surface behavior and enhancement of osteoblast adhesions. The microscopic investigations clearly exhibited that the stick-like TiO2 nanostructured materials are highly inserted into the PVA/PVP bi-polymeric matrix, due to the long-chain PVA molecules are promoted to physical crosslinking density in hydrogel network. The results of improved surface topography of hydrogel matrixes show that more flatted cell morphologies and enhanced osteoblast attachment on the synthesized nanocomposites. The crystalline bone and stick-like TiO2 nanocomposites significantly improved the bioactivity via lamellipodia and filopodia extension of osteoblast cells, due to its excellent intercellular connection and regulated cell responses. Consequently, these hydrogel has been enhanced the antibacterial activity against Staphylococcus aureus and Escherichia coli bacterial pathogens. Hence it is concluded that these hydrogel nanocomposite with improved morphology, osteoblast behavior and bactericidal activity have highly potential candidates for articular cartilage tissue regeneration applications. PMID- 29216568 TI - Nigella sativa oil modulates the therapeutic efficacy of mesenchymal stem cells against liver injury in irradiated rats. AB - Stem cell transplantation is a novel strategy for regenerative medicine in liver disease. This study was conducted to explore the modulatory effect of Nigella sativa oil (NSO) on the therapeutic potential of mesenchymal stem cells (MSCs) against irradiation-induced liver damage in rats. Liver damage was induced by a total body exposure to a single dose of 7Gy. NSO (2mg/kg/day) was then given orally for 4 consecutive weeks starting 24h after irradiation with or without a single intravenous MSCs administration, then rats were sacrificed four weeks after exposure to gamma radiation. Data revealed that irradiation elevated aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities in serum, increased hepatic malondialdehyde (MDA) content and reduced hepatic superoxide dismutase (SOD) activity. Furthermore, it caused elevation in pro inflammatory mediators such as interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-alpha) associated with reduction in anti-inflammatory cytokine interleukin-10 (IL-10) and it increased fibrogenic marker transforming growth factor-beta (TGF-beta) in liver tissues. It was observed that combined NSO/MSCs therapy provided more beneficial tissue repair comparable to MSCs alone as demonstrated by modulating the tested parameters. Finally, these results were confirmed by histopathological examination. In conclusion, dual therapy with NSO and MSCs could serve as a promising approach for alleviating radiation-induced liver injury in patients with radiotherapy. PMID- 29216569 TI - A randomized, controlled pilot study of warm handoff versus fax referral for hospital-initiated smoking cessation among people living with HIV/AIDS. AB - INTRODUCTION: The prevalence of smoking among people living with HIV/AIDS (PLWHA) remains higher than the general population. Life expectancy among PLWHA has increased over the past decade, however, PLWHA who smoke will die younger than their non-smoking peers. The primary aim of this pilot study was to examine the effects of warm handoff versus fax referral to the quitline for smoking cessation among hospitalized smokers living with HIV/AIDS. METHODS: 25 smokers with a diagnosis of HIV/AIDS hospitalized at a Midwestern academic medical center in 2012-2013 (19 male; mean age=47.7; 48% African-American) were identified, approached, and randomized to one of two treatment arms. At the bedside for patients in warm handoff, staff telephoned the quitline for on-the-spot enrollment and counseling. Participants randomized to fax were fax-referred to the quitline on the day of discharge. The quitline provided continued outpatient counseling to participants in both conditions. The main outcome was verified tobacco abstinence at 6-months post randomization. RESULTS: Enrollment and participation in quitline counseling was high among both warm handoff (100%) and fax-referred (71.4%) PLWHA participants. Nearly all completed follow up for outcome data collection at 6months. Verified abstinent rates were 45.5% in warm handoff versus 14.3% in fax referral at 6months (not significant). CONCLUSIONS: Hospitalized smokers living with HIV/AIDS were highly engaged in quitline services. Warm handoff seems a promising intervention for hospitalized PLWHA that requires further exploration. Clinical Trials Registration NCT01305928. PMID- 29216570 TI - The effects of alcohol hangover on future drinking behavior and the development of alcohol problems. AB - INTRODUCTION: Alcohol hangover experiences in young adulthood have been shown to predict more subsequent alcohol problems. Hangover susceptibility appears to be partially heritable and related to family history of alcohol use disorders. However, very little is known about the developmental course of these associations and whether they are accounted for by an individual's drinking history. The goal of this study is to investigate the prospective and unique relationships between family history of alcohol use disorders, severity of alcohol hangover experiences in adolescence, and later alcohol use and related problems measured over 13years. METHODS: Participants were first assessed on family history at age 12-14, prior to initiating drinking, and re-assessed annually on hangover severity, drinks per drinking day (DPDD), and alcohol related problems throughout the 13-year follow-up period (n=205; 59% male). RESULTS: In mixed effects negative binomial regression models, greater family history density scores predicted more future DPDD (Incidence Rate Ratio [IRR]=1.19, p=0.04), alcohol problems (IRR=1.64, p=0.05), and future hangover severity (IRR=1.24; p=0.01). In turn, greater hangover severity predicted more future DPDD (IRR=1.03; p=0.002) and alcohol problems (IRR=1.12, p<0.001), and hangover severity mediated the relationship between family history and alcohol use/problems. All models controlled for participant age, sex, and past drinking behavior (where relevant). CONCLUSIONS: These results advance the alcohol hangover experience during late adolescence as a clinically relevant and uniquely informative marker of future alcohol use and problems, above and beyond that of prior personal or familial drinking history. PMID- 29216571 TI - Negative affectivity as a mechanism underlying perceived distress tolerance and cannabis use problems, barriers to cessation, and self-efficacy for quitting among urban cannabis users. AB - Cannabis use rates continue to rise in the United States and currently cannabis is among the most widely used substances in the world. Cannabis use is associated with several mental health problems, low educational attainment, low income, and underemployment. The current study explored the tendency to experience negative affect (negative affectivity) as a factor accounting for the association between perceived distress tolerance and problems related to the use of cannabis. Participants included 203 urban adult daily cannabis users (29.2% female, M=37.7years, 63% African American). Results indicated that there was a significant indirect effect of distress tolerance via negative affectivity in terms of cannabis use problems (b=-0.58, 95%CI [-1.14, -0.21]), cannabis withdrawal (b=-0.65, 95%CI [-1.36, -0.21]), self-efficacy for quitting (b=-0.83, 95%CI [-1.85, -0.22]), and perceived barriers for cannabis cessation (b=-0.71, 95%CI [-1.51, -0.24]). The present data provide novel empirical evidence suggesting negative affectivity may help explain the relation between perceived distress tolerance and an array of clinically significant cannabis use processes. Intervention programming for daily cannabis users may benefit from targeting negative affectivity to facilitate change in cannabis use processes among users who tend to perceive that they are less capable of tolerating distress. PMID- 29216572 TI - Gene expression profiling of astaxanthin and fatty acid pathways in Haematococcus pluvialis in response to different LED lighting conditions. AB - Haematococcus pluvialis is a green microalga of major interest to industry based on its ability to produce large amounts of astaxanthin. Biosynthesis of astaxanthin and its mono- and di-esters was significantly stimulated under 150 MUmol m-2 s-1 of white LED (W-150) compared with lower light intensities, but the highest astaxanthin amounts were produced under 70 MUmol m-2 s-1 of blue LED (B 70). Transcripts of astaxanthin biosynthesis genes psy, crtO, and bkt2 were upregulated under W-150, while psy, lcy, crtO, and crtR-B were upregulated by B 70. Total fatty acid content and biosynthesis genes fata and all dgat genes were induced under W-150, while C18:3n6 biosynthesis and dgat2a expression were specifically stimulated by B-70 which was correlated to astaxanthin ester biosynthesis. Nitrogen starvation, various LEDs and the identified upregulated genes may provide useful tools for future metabolic engineering to significantly increase free astaxanthin, its esters and fatty acid precursors in H. pluvialis. PMID- 29216573 TI - Nitrogen removal performance and microbial community changes in subsurface wastewater infiltration systems (SWISs) at low temperature with different bioaugmentation strategies. AB - Poor nitrogen removal efficiency (mainly nitrate, NO3--N) at low temperatures strongly limits application of subsurface wastewater infiltration systems (SWISs). Seven psychrophilic strains (heterotrophic nitrifying bacteria and aerobic denitrifying bacteria) were isolated and added to SWISs to investigate the effect of embedding and direct-dosing bioaugmentation strategies on sewage treatment performance at low temperature. Both bioaugmentation strategies improved ammonium (NH4+-N) removal efficiencies, and the embedding strategy also exhibited satisfactory NO3--N and total nitrogen (TN) removal efficiencies. Pyrosequencing results of the bacterial 16S rRNA gene indicated that the embedding strategy significantly decreased the indigenous soil microbial diversity (p < .05) and altered the bacterial community structure, significantly increasing the relative abundance of Clostridia, which have good nitrate-reducing activity. PMID- 29216574 TI - Methane production and characteristics of the microbial community in the co digestion of spent mushroom substrate with dairy manure. AB - Spent mushroom substrate (SMS) is a potential biomass material generated during mushroom cultivation. In this study, the methane yield and microbial community resulting from co-digestion of SMS and dairy manure (DM) at different mixing ratios (0:4, 1:1, 3:1, and 1:3), were evaluated. Co-digestion analysis showed that the methane yield from the mixtures was 6%-61% higher than the yield from SMS or DM alone, indicating a synergistic effect of co-digestion of SMS with DM. For the SMS of F.velutipes (SFv) and P.erygii var. tuoliensis (SPt), co-digestion of DM/SMS at a ratio of 1:1 was optimal, but for the SMS of P. eryngi (SPe), co digestion of DM/SMS at a ratio of 3:1 was ideal. The pH at all co-digestion ratios was in the range of 6.8-8.0, indicating that adding DM could increase the systemic buffering capacity. Methanosaetaceae was shown to be the predominant methanogens present during the co-digestion of DM/SMS. PMID- 29216575 TI - Tuning the Schottky rectification in graphene-hexagonal boron nitride-molybdenum disulfide heterostructure. AB - It was still a great challenge to design high performance of rectification characteristic for the rectifier diode. Lately, a new approach was proposed experimentally to tune the Schottky barrier height (SBH) by inserting an ultrathin insulated tunneling layer to form metal-insulator-semiconductor (MIS) heterostructures. However, the electronic properties touching off the high performance of these heterostructures and the possibility of designing more efficient applications for the rectifier diode were not presently clear. In this paper, the structural, electronic and interfacial properties of the novel MIS diode with the graphene/hexagonal boron nitride/monolayer molybdenum disulfide (GBM) heterostructure had been investigated by first-principle calculations. The calculated results showed that the intrinsic properties of graphene and MoS2 were preserved due to the weak van der Waals contact. The height of interfacial Schottky barrier can be tuned by the different thickness of hBN layers. In addition, the GBM Schottky diode showed more excellent rectification characteristic than that of GM Schottky diode due to the interfacial band bending caused by the epitaxial electric field. Based on the electronic band structure, we analyzed the relationship between the electronic structure and the nature of the Schottky rectifier, and revealed the potential of utilizing GBM Schottky diode for the higher rectification characteristic devices. PMID- 29216576 TI - Characterizing adsorption of associating surfactants on carbonates surfaces. AB - HYPOTHESIS: The adsorption of anionic surfactants onto positively charged carbonate minerals is typically high due to electrostatic interactions. By blending anionic surfactants with cationic or zwitterionic surfactants, which naturally form surfactant complexes, surfactant adsorption is expected to be influenced by a competition between surfactant complexes and surfactant-surface interactions. EXPERIMENTS: The adsorption behavior of surfactant blends known to form complexes was investigated. The surfactants probed include an anionic C15-18 internal olefin sulfonate (IOS), a zwitterionic lauryl betaine (LB), and an anionic C13-alcohol polyethylene glycol ether carboxylic acid (L38). An analytical method based on high-performance liquid chromatography evaporative light scattering detector (HPLC-ELSD) was developed to measure three individual surfactant concentrations from a blended surfactant solution. The adsorption of the individual surfactants and surfactant blends were systematically investigated on different mineral surfaces using varying brine solutions. FINDINGS: LB adsorption on calcite surfaces was found to be significantly increased when blended with IOS or L38 since it forms surfactant complexes that partition to the surface. However, the total adsorption of the LB-IOS-L38 solution on dolomite decreased from 3.09 mg/m2 to 1.97 mg/m2 when blended together compared to summing the adsorption values of individual surfactants, which highlights the importance of mixed surfactant association. PMID- 29216577 TI - Performance enhancement of perovskite solar cells by employing TiO2 nanorod arrays decorated with CuInS2 quantum dots. AB - In this work, TiO2 nanorod arrays (TiO2-NAs) were modified by CuInS2 quantum dots (CuInS2 QDs) on the surface of the nanorods. The resultant TiO2-CuInS2 nanorod arrays (TiO2-CuInS2-NAs) were characterized by UV/Vis spectroscopy, transmission electronic microscopy (TEM), and X-ray diffraction (XRD). The TiO2-CuInS2-NAs were applied as scaffold for the preparation of organic-inorganic hybrid perovskite solar cells. In comparison with the solar cell devices based on TIO2 NAs, a significant improvement in the power conversion efficiency had been achieved and the highest efficiency was obtained as 11.7% (under 100 mW/cm2) through the optimization of the growth time of QDs on nanorods. The improvement of the device performance could be attributed to the assistance of CuInS2 QDs in the light harvesting as well as the facilitation of the electron injection from the perovskite to the TiO2 scaffold. PMID- 29216578 TI - Preparation and characterization of xanthan gum-cl-poly(acrylic acid)/o-MWCNTs hydrogel nanocomposite as highly effective re-usable adsorbent for removal of methylene blue from aqueous solutions. AB - In this work, xanthan gum-cl-poly acrylic acid (XG-cl-pAA) hydrogel and xanthan gum-cl-poly acrylic acid/oxidized MWCNTs (XG-cl-pAA/o-MWCNTs) hydrogel nanocomposite was successfully surface modify by microwave assisted copolymerization, in which N, N'-methylenebisacrylamide (MBA) was used as a cross linking agent. A copolymerization of acrylic acid (AA) onto xanthan gum (XG) initiated by microwave radiation method. Different weight percentages of oxidized MWCNTs were incorporated into the hydrogel matrix during the grafting reaction. An optimum hydrogel based on maximum swelling capacity further incorporated with oxidized MWCNTs to form XG-cl-pAA/o-MWCNTs. The structure, thermal stability, wettability and morphology of XG-cl-PAA and XG-cl-PAA/o-MWCNTs were characterized by fourier transform infrared (FTIR), Raman, X-ray diffraction (XRD), Thermogravimetric analysis (TGA), Contact angle, and scanning electron microscope (SEM). The effects of pH, contact time and equilibrium concentration on the MB dye adsorption were investigated batch wise. Optimal conditions were obtained at pH?6 due to the generation of negatively charged groups (COO-) in the adsorbent, which can strongly interact with the positive charges from MB and time of adsorption equilibrium was achieved in 30 min. The XG-cl-PAA/o-MWCNTs hydrogel nanocomposite exhibited a very high adsorption potential, and its adsorption capacities calculated based on the Langmuir isotherm for MB was 521.0 mg/g at 30 degrees C. The dye adsorption data fitted well to the pseudo-first-order model and Langmuir model. The adsorption-desorption cycle of hydrogel nanocomposite was repeated several times without significant loss of adsorption capacity. PMID- 29216579 TI - IR spectra and properties of solid acetone, an interstellar and cometary molecule. AB - Mid-infrared spectra of amorphous and crystalline acetone are presented along with measurements of the refractive index and density for both forms of the compound. Infrared band strengths are reported for the first time for amorphous and crystalline acetone, along with IR optical constants. Vapor pressures and a sublimation enthalpy for crystalline acetone also are reported. Positions of 13C labeled acetone are measured. Band strengths are compared to gas-phase values and to the results of a density-functional calculation. A 73% error in previous work is identified and corrected. PMID- 29216580 TI - Microfluidic magnetic fluidized bed for DNA analysis in continuous flow mode. AB - Magnetic solid phase substrates for biomolecule manipulation have become a valuable tool for simplification and automation of molecular biology protocols. However, the handling of magnetic particles inside microfluidic chips for miniaturized assays is often challenging due to inefficient mixing, aggregation, and the advanced instrumentation required for effective actuation. Here, we describe the use of a microfluidic magnetic fluidized bed approach that enables dynamic, highly efficient and simplified magnetic bead actuation for DNA analysis in a continuous flow platform with minimal technical requirements. We evaluate the performance of this approach by testing the efficiency of individual steps of a DNA assay based on padlock probes and rolling circle amplification. This assay comprises common nucleic acid analysis principles, such as hybridization, ligation, amplification and restriction digestion. We obtained efficiencies of up to 90% for these reactions with high throughput processing up to 120MUL of DNA dilution at flow rates ranging from 1 to 5MUL/min without compromising performance. The fluidized bed was 20-50% more efficient than a commercially available solution for microfluidic manipulation of magnetic beads. Moreover, to demonstrate the potential of this approach for integration into micro-total analysis systems, we optimized the production of a low-cost polymer based microarray and tested its analytical performance for integrated single-molecule digital read-out. Finally, we provide the proof-of-concept for a single-chamber microfluidic chip that combines the fluidized bed with the polymer microarray for a highly simplified and integrated magnetic bead-based DNA analyzer, with potential applications in diagnostics. PMID- 29216581 TI - Transfer and persistence of non-self DNA on hands over time: Using empirical data to evaluate DNA evidence given activity level propositions. AB - Questions relating to how DNA from an individual got to where it was recovered from and the activities associated with its pickup, retention and deposition are increasingly relevant to criminal investigations and judicial considerations. To address activity level propositions, investigators are typically required to assess the likelihood that DNA was transferred indirectly and not deposited through direct contact with an item or surface. By constructing a series of Bayesian networks, we demonstrate their use in assessing activity level propositions derived from a recent legal case involving the alleged secondary transfer of DNA to a surface following a handshaking event. In the absence of data required to perform the assessment, a set of handshaking simulations were performed to obtain probabilities on the persistence of non-self DNA on the hands following a 40min, 5h or 8h delay between the handshake and contact with the final surface (an axe handle). Variables such as time elapsed, and the activities performed and objects contacted between the handshake and contact with the axe handle, were also considered when assessing the DNA results. DNA from a known contributor was transferred to the right hand of an opposing hand-shaker (as a depositor), and could be subsequently transferred to, and detected on, a surface contacted by the depositor 40min to 5h post-handshake. No non-self DNA from the known contributor was detected in deposits made 8h post-handshake. DNA from the depositor was generally detected as the major or only contributor in the profiles generated. Contributions from the known contributor were minor, decreasing in presence and in the strength of support for inclusion as the time between the handshake and transfer event increased. The construction of a series of Bayesian networks based on the case circumstances provided empirical estimations of the likelihood of direct or indirect deposition. The analyses and conclusions presented demonstrate both the complexity of activity level assessments concerning DNA evidence, and the power of Bayesian networks to visualise and explore the issues of interest for a given case. PMID- 29216582 TI - Cellular and mitochondrial determination of low molecular mass organic acids by LC-MS/MS. AB - A selective and sensitive method for the determination of low molecular mass organic acids (LMMOAs) in cell and mitochondrial extracts is presented. The analytical method consists in the separation by reversed phase liquid chromatography and detection with tandem mass spectrometry (LC-MS/MS) of the LMMOAs like malic, succinic, formic and citric acids. These acids are among the cellular intermediates of the tricarboxylic acid cycle (TCA), thus their quantitation can provide essential information about the catabolic and anabolic processes occurring in cells under physiological and pathological conditions. The analytical method was fully validated in terms of linearity, detection and quantification limits, recovery and precision. Detection limits (LOD) for malic, succinic and fumaric acids were in the range of 1-10nM, while 20nM was obtained for citric acid. Analytical recovery in cell and mitochondrial extracts was found between 88 and 105% (CV% <=7.1) and matrix effect was estimated to be less than 108%. The LC-MS/MS method applied to the quantification of TCA cycle metabolites revealed a different distribution of the four acids in cells and mitochondria, and it could be used to monitoring metabolic alterations associated with TCA cycle and oxidative phosphorylation dysfunctions. PMID- 29216583 TI - HPLC-MS/MS analysis of mesupron and its application to a pharmacokinetic study in rats. AB - Mesupron, the first-in-class inhibitor of urokinase-type plasminogen activator (uPA) is known to regulate cell proliferation and migration, and is under investigation for the treatment of metastatic breast cancer. In this study, a quantification method was developed for the determination of mesupron in rat plasma using liquid chromatography with a tandem mass spectrometry (LC-MS/MS). After protein precipitation with acetonitrile including itraconazole (internal standard, IS), the analytes were chromatographed on a reversed phased column with a mobile phase of acetonitrile and water (7:3, v/v, including 0.1% formic acid). The ion transitions of the precursor to the product ion were principally protonated ion [M+H]+ at m/z 630.4->398.3 for mesupron and 705.2->392.1 for the IS. The accuracy and precision of the assay were in accordance with FDA regulations for the validation of bioanalytical methods This method was successfully applied to a pharmacokinetic study of mesupron after intravenous administration in rats. PMID- 29216584 TI - Differential scanning calorimetry isothermal hold times can impact interpretations of drug-polymer dispersability in amorphous solid dispersions. AB - Differential scanning calorimetry (DSC) is a commonly employed analytical technique for the analysis and characterization of amorphous solid dispersions. However, steps typical of standard temperature programs can alter the material in situ. Data for two active pharmaceutical ingredients are detailed, wherein isothermal hold times, traditionally employed to remove thermal history and/or residual solvent, were observed to impact the observed dispersability of the compounds in polyvinylpyrrolidone vinyl-acetate copolymer (PVPva). Re crystallized tolbutamide was observed to re-dissolve in PVPva, while terfenadine was observed to crystallize during the isothermal hold period. Exposing co solidified drug-polymer mixtures to temperature changes and experimental hold times can potentially confound correct categorization of dispersability, particularly when DSC is used as the lone characterization technique. This work illustrates the importance of using a combination of techniques to improve the certainty of conclusions made with respect to the true, initial physical state of a co-solidified mixture. PMID- 29216585 TI - Determination of irinotecan and its metabolite SN-38 in dried blood spots using high-performance liquid-chromatography with fluorescence detection. AB - Irinotecan (IRI) is an antineoplastic drug widely used for the treatment of colorectal and advanced pancreatic cancer. Despite its clinical utility, the clinical use of IRI is associated with potentially severe hematopoietic and gastrointestinal toxicities. The quantification of IRI and its active metabolite SN-38 in dried blood spots (DBS) may be an alternative to individualize the drug dose through a minimally invasive and easy collection method. The aim of this study was to develop and validate a simple and fast HPLC-FL assay for simultaneous IRI and SN-38 measurement in DBS, with adequate analytical performance for clinical use. The method employs liquid extraction of one 8mm disk of whole blood, followed by separation in a reversed phase Eclipse Plus C8 column (150*4.6mm, 5MUm). Detection was performed with a fluorescence detector, with excitation wavelength of 370 and emission of 420 for IRI and 540nm for SN-38 and internal standard (camptothecin). Total analytical run time was 17min. Mobile phase was a mixture of 0.1M phosphate buffer pH 4.0 and acetonitrile (80:20, v/v), at 1mLmin-1. The assay was linear in the range 10-3,000ngmL-1 and from 0.5 to 300ngmL-1 for IRI and SN-38, respectively. Precision assays presented CV% of 2.71-5.65 and 2.15-10.07 for IRI and SN-38, respectively, and accuracy in the range of 94.26-100.93 and 94.24-99.33%. IRI and SN-38 were stable at 25 and 42 degrees C for 14days in DBS samples. The method was applied to DBS samples obtained from fingerpicks from 19 volunteers receiving IRI in single or combined chemotherapy regimens, collected 1 and 24h after beginning of the infusion. The estimated plasma concentration of IRI and SN-38 in sample collected 1h after star of infusion had 16 of 19 values within the +/-20% range of the measured plasma concentrations. On the other hand, predictions of IRI and SN-38 plasma concentrations from DBS measurements obtained 24h after the beginning of the infusion were poor. AUC of IRI that was calculated using plasma and DBS-estimated concentrations, with a high correlation (r=0.918). The method presented suitable characteristics for the clinical use. However, translation of IRI and SN-38 DBS to plasma concentrations is challenging due to the compound's variable plasma/blood partition. PMID- 29216586 TI - Non-ionic detergent Triton X-114 Based vortex- synchronized matrix solid-phase dispersion method for the simultaneous determination of six compounds with various polarities from Forsythiae Fructus by ultra high-performance liquid chromatography. AB - A simple nonionic detergent - based vortex- synchronized matrix solid-phase dispersion (ND-VSMSPD) method was developed to extract bioactive compounds in Forsythiae Fructus coupled with ultra high-performance liquid chromatography (UHPLC). Nonionic detergent Triton 114 was firstly used as a green elution reagent in vortex- synchronized MSPD procedure. The optimum parameters were investigated to attain the best results, including Florisil as sorbent, 2mL 10% (v/v) nonionic detergent Triton X-114 as the elution reagent, 1:1 of sample/sorbent ratio, grinding for 3min, and whirling for 2min. The recoveries of the six compounds in Forsythiae Fructus were in the range of 95-104% (RSD <4.6%) and the method displayed a good linearity within the range of 0.08-20MUgmL-1 for caffeic acid, 0.6-150MUgmL-1 for forsythoside A, 0.4-100MUgmL-1 phillyrin, 0.2 50MUgmL-1 for quercetin, isorhamnetin and arctigenin (r>=0.999). It was proved that the extraction yields of almost all compounds attained by the established vortex- synchronized MSPD, which required lower sample, reagent and time, were higher than the normal MSPD and the traditional ultrasonic-assisted extraction. Consequently, this developed vortex- synchronized MSPD coupled with simple UHPLC method could be efficiently applies to extract and analyze the target compounds in real Forsythiae Fructus samples. PMID- 29216587 TI - Quantification of immobilized protein in pharmaceutical production by bio assisted potentiometric multisensor system. AB - Quantification of proteins is a key biochemical assay in molecular biology, biotechnology, medicine and pharmacology. Protein quantification protocols can be based on spectrophotometry, enzyme-linked immunosorbent assay, mass spectrometry or quantitative immunoblotting depending on analyte. In case of immobilized protein these methods require suitable sample preparation. Thus, sophisticated analysis becomes even more complex, expensive and time-consuming. Such drawbacks are highly undesirable in industry. In this study we propose a new approach for evaluation of immobilized protein concentration based on application of bio assisted potentiometric multisensor system. Surface-immobilized recombinant protein A from Staphylococcus aureus (SpA, expressed in Escherichia coli), which is commonly used as affinity ligand immobilized to stationary phase (shromatography media) for monoclonal antibody purification was employed as the model object. Chromatography media samples containing different amounts of immobilized SpA were analyzed. Proteinase K from Tritirachium album was employed as a bio-transducer. We demonstrated that the suggested approach provides information about immobilized SpA concentration with 0.8mg/ml accuracy in the range 1-6.7mg/ml and within just 16min. Moreover, the proposed procedure requires no expensive materials and equipment and no bio-transducer immobilization. This method has potential of application for fast monitoring of other immobilized proteins in different tasks. PMID- 29216588 TI - NMR study of mutations of glycine-52 of the catalytic domain of diphtheria toxin. AB - Cross-reacting-material 197 (CRM197) is a naturally occurring non-toxic mutant of diphtheria toxin (DT) that is one of the few carrier protein used in the manufacture of polysaccharide vaccines targeting bacterial pathogens such as Neisseria meningitidis, Streptococcus pneumaniae and Haemophilus influenzae. A detailed explanation in structural terms for the lack of toxicity has started to emerge with the report of the X-ray structure of CRM197. Here, we present an NMR spectroscopy study of the wild-type catalytic domain of diphtheria toxin and the effects of mutations at residue 52 on its conformation. We utilized a strategy that consisted of gradually inducing steric perturbations by increasing the side chain size of the residue. Results show that the catalytic domain does not tolerate even the smallest perturbation, such as a glycine to alanine substitution, resulting in the destabilization of domain fold leading to protein aggregation. The observed behavior is further exacerbated with the substitution of amino acids with larger side chains. These findings support the concept that the lack of toxicity observed for CRM197 is the result of a highly unstable conformation of its catalytic domain that, upon insertion into the cell, cannot properly refold and perform its catalytic activity responsible for the arrest of all cellular protein synthesis. PMID- 29216589 TI - Comparing dried and liquid blood serum samples of depressed patients: An analysis by Raman and infrared spectroscopy methods. AB - Depression is a serious mental illness. To study the mechanism of depression and search for new, more effective therapies, animal models are often used. Unfortunately, none of the available models reflects all the symptoms of depression. Therefore researchers are looking for new tools to diagnose depression. Unfortunately, the nowadays-available depression diagnosis methods are only psychological tests. However, it is known, that the amount of phospholipids, proteins and lipids decreases during depression. Raman and FTIR (Fourier Transform Infra Red) spectroscopies provide information on the chemical compounds in the measured sample e.g. blood serum. These spectroscopic techniques may thus become reliable and accurate tools for evaluating changes in the amount of phospholipids and proteins in depression disease. In this study differences between dried and liquid blood serum samples of healthy and depressed individuals measured by Raman (range 0-3000cm-1) and FTIR (Fourier Transform Infrared) (range 900-3000cm-1) spectroscopy were evaluated. The resulting spectra and accurate analysis led to the conclusion that an appropriate measurement of the background and the elimination of peaks from water had the greatest impact on the reliability of the results. Furthermore, after detailed studies of FTIR and Raman spectra of dried and liquid blood serum samples, including a complete analysis of peaks after Kramers-Kroning (KK) transformation, it was found that the sample preparation did not affect the results obtained by Raman spectroscopy. In FTIR measurements only a minimal effect on peak intensity was observed. PMID- 29216590 TI - Improved bioautographic assay on TLC layers for qualitative and quantitative estimation of xanthine oxidase inhibitors and superoxide scavengers. AB - A new agar-free bioautographic assay for xanthine oxidase (XO) inhibitors and superoxide scavengers on TLC layers was developed and validated. Compared to the first version of TLC bioautographic agar overlay method, our bioautographic assay greatly improved the sensitivity and quantification ability. The limit of detection (LOD) of this assay was 0.017ng for allopurinol. Quantitative estimation of XO inhibitors and superoxide scavengers was achieved by densitometry scanning, expressed as allopurinol equivalents in millimoles on a per sample weight basis. This assay has acceptable accuracy (95.37-99.23%), intra day and inter-day precisions (RSD, 2.56-6.69%), as well as intra-plate and inter plate precisions (RSD, 2.93-9.62%). Six pure compounds and three herbal extracts were evaluated for their potential XO inhibitory and superoxide scavenging activity by this bioautographic assay on TLC layers. Four active components were separated, located and identified in Astragalus membranaceus var. mongholicus extract by the bioautographic assay after TLC separation. The developed method is rapid, simple, sensitive and stable for screening and estimation of the potential XO inhibitors and superoxide scavengers. PMID- 29216591 TI - Concomitant monitoring of implant formation and drug release of in situ forming poly (lactide-co-glycolide acid) implants in a hydrogel matrix mimicking the subcutis using UV-vis imaging. AB - For poly (lactide-co-glycolide acid) (PLGA)-based in situ forming implants, the rate of implant formation plays an important role in determining the overall drug release kinetics. Currently, in vitro techniques capable of characterizing the processes of drug release and implant formation at the same time are not available. A hydrogel-based in vitro experimental setup was recently developed requiring only microliter of formulation and forming a closed system potentially suitable for interfacing with various spectroscopic techniques. The aim of the present proof-of-concept study was to investigate the feasibility of concomitant UV imaging, Vis imaging and light microscopy for detailed characterization of the behavior of in situ forming PLGA implants in the hydrogel matrix mimicking the subcutis. The model compounds, piroxicam and alpha-lactalbumin were added to PLGA 1-methyl-2-pyrrolidinone and PLGA-triacetin solutions. Upon bringing the PLGA solvent-compound pre-formulation in contact with the hydrogel, Vis imaging and light microscopy were applied to visualize the depot formation and UV imaging was used to quantify drug transport in the hydrogel. As compared to piroxicam, the alpha-lactalbumin invoked an acceleration of phase separation and an increase of implant size. alpha-Lactalbumin was released faster from the PLGA-1-methyl-2 pyrrolidinone system than the PLGA-triacetin system opposite to the piroxicam release pattern. A linear relationship between the rate of implant formation and initial compound release within the first 4h was established for the PLGA-NMP systems. This implies that phase separation may be one of the controlling factors in drug release. The rate of implant formation may be an important parameter for predicting and tailoring drug release. The approach combining UV imaging, Vis imaging and light microscopy may facilitate understanding of release processes and holds potential for becoming a useful tool in formulation development of in situ forming implants. PMID- 29216592 TI - Activated carbon thin-layer placement as an in situ mercury remediation tool in a Penobscot River salt marsh. AB - The efficacy of thin layer in situ soil amendments was tested as a potential tool for methylmercury (MeHg) risk mitigation in Penobscot River, ME, salt marsh. Salt marshes are sites of high MeHg accumulation within the Penobscot, and key targets for remediation. The study was a fully-crossed small plot study, with four treatments (activated carbon (AC), biochar, FeCl2, and lime) and unamended controls at two sites. Plots were monitored for two years. Porewater MeHg concentrations were the main endpoint, with impacts on sediment biogeochemistry as a secondary study goal. AC-based SediMiteTM was effective in reducing MeHg, and to a less extent total Hg, in surficial pore waters. AC reduced MeHg concentrations by >90% at the one month time point, and continued to significantly reduce pore water MeHg through about a year. AC was less effective in reducing total Hg in pore water, yielding about 70% reduction at one month, and 50-65% reduction at 8months. Biochar provided lower, and more variable reduction in porewater MeHg, but was not effective in reducing total Hg. Biochar amendment also increased soil MeHg. Neither FeCl2 nor lime amendments reduced pore water Hg or MeHg levels. About 50% of AC treatment applied as SediMiteTM pellets was retained in marsh soils after one year. This study is one of the first field trials of in situ amendment for MeHg remediation. Our results show that thin-layer AC placement is a potential remediation tool for Hg risk to biota, especially in marshes where net MeHg accumulation is often strong. PMID- 29216593 TI - Phosphorus and nitrogen limitation and impairment of headwater streams relative to rivers in Great Britain: A national perspective on eutrophication. AB - This study provides a first national-scale assessment of the nutrient status of British headwater streams within the wider river network, by joint analysis of the national Countryside Survey Headwater Stream and Harmonised River Monitoring Scheme datasets. We apply a novel Nutrient Limitation Assessment methodology to explore the extent to which nutrients may potentially limit primary production in headwater streams and rivers, by coupling ternary assessment of nitrogen (N), phosphorus (P), and carbon (C) depletion, with N:P stoichiometry, and threshold P and N concentrations. P limitation was more commonly seen in the rivers, with greater prevalence of N limitation in the headwater streams. High levels of potential P and N co-limitation were found in the headwater streams, especially the Upland-Low-Alkalinity streams. This suggests that managing both P and N inputs may be needed to minimise risks of degradation of these sensitive headwater stream environments. Although localised nutrient impairment of headwater streams can occur, there were markedly lower rates of P and N impairment of headwater streams relative to downstream rivers at the national scale. Nutrient source contributions, relative to hydrological dilution, increased with catchment scale, corresponding with increases in the extent of agricultural and urban land-use. The estimated nutrient reductions needed to achieve compliance with Water Framework Directive standards, and to reach limiting concentrations, were greatest for the Lowland-High-Alkalinity rivers and streams. Preliminary assessments suggest that reducing P concentrations in the Lowland-High-Alkalinity headwater streams, and N concentrations in the Upland-Low Alkalinity rivers, might offer greater overall benefits for water-quality remediation at the national scale, relative to the magnitude of nutrient reductions required. This approach could help inform the prioritisation of nutrient remediation, as part of a directional approach to water quality management based on closing the gaps between current and target nutrient concentrations. PMID- 29216594 TI - Indicators to support healthy urban gardening in urban management. AB - Urban gardening is part of a trend towards more parks and green areas in cities, consumption of organic, locally grown products, and a closer relationship with one's own living environment. Our literature review shows that urban gardens provide opportunities for physical activity and allow people to consume homegrown fruit and vegetables. Urban gardens may also reduce stress levels of gardeners and improve social cohesion. In this way, they can help to prevent health problems. Good quality of urban soil and the functioning of soil ecosystems are indispensable prerequisites for these. We developed a framework that shows how ecosystem health and human health are interconnected in urban gardening, by placing it in the context of urban green space management and valuation. This study yields a set of indicators, which can be used to assess soil ecosystem services and health impacts. They may provide a basis for the evolving dialogue in decision-making processes and partnership activities in urban management. Recognizing the potential effects and discussing what is important to whom, might be enough to find synergies. Importantly, the initiators of urban gardens are often citizens, who seek support from other stakeholders. The social network established by gardens may contribute to health-enabling, cohesive communities involved with their living environment. To maximize health benefits, it is useful to make the urban gardens accessible to many people. This study suggests that urban gardens deserve a position in urban green space management as they may help to address societal challenges like urbanization, health and well-being in aging populations and climate adaptation. PMID- 29216595 TI - Optimizing prescribed fire allocation for managing fire risk in central Catalonia. AB - We used spatial optimization to allocate and prioritize prescribed fire treatments in the fire-prone Bages County, central Catalonia (northeastern Spain). The goal of this study was to identify suitable strategic locations on forest lands for fuel treatments in order to: 1) disrupt major fire movements, 2) reduce ember emissions, and 3) reduce the likelihood of large fires burning into residential communities. We first modeled fire spread, hazard and exposure metrics under historical extreme fire weather conditions, including node influence grid for surface fire pathways, crown fraction burned and fire transmission to residential structures. Then, we performed an optimization analysis on individual planning areas to identify production possibility frontiers for addressing fire exposure and explore alternative prescribed fire treatment configurations. The results revealed strong trade-offs among different fire exposure metrics, showed treatment mosaics that optimize the allocation of prescribed fire, and identified specific opportunities to achieve multiple objectives. Our methods can contribute to improving the efficiency of prescribed fire treatment investments and wildfire management programs aimed at creating fire resilient ecosystems, facilitating safe and efficient fire suppression, and safeguarding rural communities from catastrophic wildfires. The analysis framework can be used to optimally allocate prescribed fire in other fire-prone areas within the Mediterranean region and elsewhere. PMID- 29216596 TI - Understanding social and behavioral drivers and impacts of air quality sensor use. AB - BACKGROUND: Lower-cost air quality sensors (hundreds to thousands of dollars) are now available to individuals and communities. This technology is undergoing a rapid and fragmented evolution, resulting in sensors that have uncertain data quality, measure different air pollutants and possess a variety of design attributes. Why and how individuals and communities choose to use sensors is arguably influenced by social context. For example, community experiences with environmental exposures and health effects and related interactions with industry and government can affect trust in traditional air quality monitoring. To date, little social science research has been conducted to evaluate why or how sensors, and sensor data, are used by individuals and communities, or how the introduction of sensors changes the relationship between communities and air quality managers. OBJECTIVES: This commentary uses a risk governance/responsible innovation framework to identify opportunities for interdisciplinary research that brings together social scientists with air quality researchers involved in developing, testing, and deploying sensors in communities. DISCUSSION: Potential areas for social science research include communities of sensor users; drivers for use of sensors and sensor data; behavioral, socio-political, and ethical implications of introducing sensors into communities; assessing methods for communicating sensor data; and harnessing crowdsourcing capabilities to analyze sensor data. CONCLUSIONS: Social sciences can enhance understanding of perceptions, attitudes, behaviors, and other human factors that drive levels of engagement with and trust in different types of air quality data. New transdisciplinary research bridging social sciences, natural sciences, engineering, and design fields of study, and involving citizen scientists working with professionals from a variety of backgrounds, can increase our understanding of air sensor technology use and its impacts on air quality and public health. PMID- 29216597 TI - Role of Dopamine Receptors in the Anticancer Activity of ONC201. AB - ONC201/TIC10 is a first-in-class small molecule inducer of TRAIL that causes early activation of the integrated stress response. Its promising safety profile and broad-spectrum efficacy in vitro have been confirmed in Phase I/II trials in several advanced malignancies. Binding and reporter assays have shown that ONC201 is a selective antagonist of the dopamine D2-like receptors, specifically, DRD2 and DRD3. We hypothesized that ONC201's interaction with DRD2 plays a role in ONC201's anticancer effects. Using cBioportal and quantitative reverse transcription polymerase chain reaction analyses, we confirmed that DRD2 is expressed in different cancer cell types in a cell type-specific manner. On the other hand, DRD3 was generally not detectable. Overexpressing DRD2 in cells with low DRD2 levels increased ONC201-induced PARP cleavage, which was preceded and correlated with an increase in ONC201-induced CHOP mRNA expression. On the other hand, knocking out DRD2 using CRISPR/Cas9 in three cancer cell lines was not sufficient to abrogate ONC201's anticancer effects. Although ONC201's anticancer activity was not dependent on DRD2 expression in the cancer cell types tested, we assessed the cytotoxic potential of DRD2 blockade. Transient DRD2 knockdown in HCT116 cells activated the integrated stress response and reduced cell number. Pharmacological antagonism of DRD2 significantly reduced cell viability. Thus, we demonstrate in this study that disrupting dopamine receptor expression and activity can have cytotoxic effects that may at least be in part due to the activation of the integrated stress response. On the other hand, ONC201's anticancer activity goes beyond its ability to antagonize DRD2, potentially due to ONC201's ability to activate other pathways that are independent of DRD2. Nevertheless, blocking the dopamine D1-like receptor DRD5 via siRNA or the use of a pharmacological antagonist promoted ONC201-induced anticancer activity. PMID- 29216599 TI - Boson peak dynamics of natural polymer starch investigated by terahertz time domain spectroscopy and low-frequency Raman scattering. AB - Terahertz time-domain spectroscopy and low-frequency Raman scattering were performed on the natural polymer starch to investigate the boson peak (BP) dynamics. In the infrared spectrum, the BP was observed at 0.99THz at the lowest temperature. Compared to the result from a previous study for vitreous glucose, both the frequency of the BP and absorption coefficient show lower values than those of the vitreous glucose. These behaviors originate from the longer correlation length of the medium-range order and lower concentration of hydroxyl groups in the starch. In the Raman spectrum, the BP was observed at 1.1THz at room temperature, although the BP was not observed around room temperature due to the excess wing of the fast relaxation modes in the infrared spectrum. The temperature dependence of epsilon"(nu) during the heating process and cooling process shows a hysteresis below 230K. During the heating process, kinks were observed at 140K and 230K. These kinks are attributed to the beta-relaxation and the betawet-relaxation, respectively. PMID- 29216598 TI - Sympathetic nervous system activity measured by skin conductance quantifies the challenge of walking adaptability tasks after stroke. AB - BACKGROUND: Walking adaptability tasks are challenging for people with motor impairments. The construct of perceived challenge is typically measured by self report assessments, which are susceptible to subjective measurement error. The development of an objective physiologically-based measure of challenge may help to improve the ability to assess this important aspect of mobility function. The objective of this study to investigate the use of sympathetic nervous system (SNS) activity measured by skin conductance to gauge the physiological stress response to challenging walking adaptability tasks in people post-stroke. METHODS: Thirty adults with chronic post-stroke hemiparesis performed a battery of seventeen walking adaptability tasks. SNS activity was measured by skin conductance from the palmar surface of each hand. The primary outcome variable was the percent change in skin conductance level (DeltaSCL) between the baseline resting and walking phases of each task. Task difficulty was measured by performance speed and by physical therapist scoring of performance. Walking function and balance confidence were measured by preferred walking speed and the Activities-specific Balance Confidence Scale, respectively. RESULTS: There was a statistically significant negative association between DeltaSCL and task performance speed and between DeltaSCL and clinical score, indicating that tasks with greater SNS activity had slower performance speed and poorer clinical scores. DeltaSCL was significantly greater for low functioning participants versus high functioning participants, particularly during the most challenging walking adaptability tasks. CONCLUSION: This study supports the use of SNS activity measured by skin conductance as a valuable approach for objectively quantifying the perceived challenge of walking adaptability tasks in people post stroke. PMID- 29216600 TI - Ethylene formation by dehydration of ethanol over medium pore zeolites. AB - In this work, the role of pore arrangement of 10-ring zeolites ZSM-5, TNU-9 and IM-5 on their catalytic properties in ethanol transformation were investigated. Among all the studied catalysts, the zeolite IM-5, characterized by limited 3 dimensionality, presented the highest conversion of ethanol and the highest yields of diethyl ether (DEE) and ethylene. The least active and selective to ethylene and C3+ products was zeolite TNU-9 with the largest cavities formed on the intersection of 10-ring channels. The catalysts varied, however, in lifetime, and their deactivation followed the order: IM-5>TNU-9>ZSM-5. The processes taking place in the microporous zeolite environment were tracked by IR spectroscopy and analysed by the 2D correlation analysis (2D COS) allowing for an insight into the nature of chemisorbed adducts and transition products of the reaction. The cage dimension was found as a decisive factor influencing the tendency for coke deposition, herein identified as polymethylated benzenes, mainly 1,2,4-trimethyl benzene. PMID- 29216601 TI - Measuring critical thinking in pre-registration midwifery students: A multi method approach. AB - OBJECTIVE: Test the concurrent validity of three newly developed tools (student self-rating, preceptor rating, and reflective writing) that aim to measure critical thinking in midwifery practice. DESIGN: A descriptive matched cohort design was used. SETTING: Australian research intensive university offering a three year Bachelor of Midwifery programme. SAMPLE: Fifty-five undergraduate midwifery students. METHODS: Students assessed their ability to apply critical thinking in midwifery practice using a 25-item tool and a 5-item subscale in Motivated Strategies for Learning Questionnaire. Clinical preceptors completed a 24-item tool assessing the students' application of critical thinking in practice. Reflective writing by students was assessed by midwifery academics using a 15-item tool. Internal reliability, and concurrent validity were assessed. Correlations, t-tests, multiple regression and confidence levels were calculated for the three scales and associations with student characteristics. RESULTS: The three scales achieved good internal reliability with a Cronbach's alpha coefficient between 0.93 and 0.97. Matched total scores for the three critical thinking scales were moderately correlated; student/preceptor (r=0.36, p<0.01); student/reflective writing (r=0.38, p<0.01); preceptor/reflective writing (r=0.30, p<0.05). All critical thinking mean scores were higher for students with a previous degree, but only significant for reflective writing (t (53)=-2.35, p=0.023). Preceptor ratings were predictive of GPA (beta=0.50, p<0.001, CI=0.10 to 0.30). Students' self-rating scores were predictive of year level (beta=0.32, p<0.05, CI=0.00 to 0.03). CONCLUSION: The student, preceptor, and reflective writing tools were found to be reliable and valid measures of critical thinking. The three tools can be used individually or in combination to provide students with various sources of feedback to improve their practice. The tools allow formative measurement of critical thinking over time. Further testing of the tools with larger, diverse samples is recommended. PMID- 29216602 TI - Nursing students learning the pharmacology of diabetes mellitus with complexity based computerized models: A quasi-experimental study. AB - BACKGROUND: Pharmacology is a crucial component of medications administration in nursing, yet nursing students generally find it difficult and self-rate their pharmacology skills as low. OBJECTIVES: To evaluate nursing students learning pharmacology with the Pharmacology Inter-Leaved Learning-Cells environment, a novel approach to modeling biochemical interactions using a multiscale, computer based model with a complexity perspective based on a small set of entities and simple rules. This environment represents molecules, organelles and cells to enhance the understanding of cellular processes, and combines these cells at a higher scale to obtain whole-body interactions. PARTICIPANTS: Sophomore nursing students who learned the pharmacology of diabetes mellitus with the Pharmacology Inter-Leaved Learning-Cells environment (experimental group; n=94) or via a lecture-based curriculum (comparison group; n=54). METHODS: A quasi-experimental pre- and post-test design was conducted. The Pharmacology-Diabetes-Mellitus questionnaire and the course's final exam were used to evaluate students' knowledge of the pharmacology of diabetes mellitus. RESULTS: Conceptual learning was significantly higher for the experimental than for the comparison group for the course final exam scores (unpaired t=-3.8, p<0.001) and for the Pharmacology Diabetes-Mellitus questionnaire (U=942, p<0.001). The largest effect size for the Pharmacology-Diabetes-Mellitus questionnaire was for the medication action subscale. Analysis of complex-systems component reasoning revealed a significant difference for micro-macro transitions between the levels (F(1, 82)=6.9, p<0.05). CONCLUSIONS: Learning with complexity-based computerized models is highly effective and enhances the understanding of moving between micro and macro levels of the biochemical phenomena, this is then related to better understanding of medication actions. Moreover, the Pharmacology Inter-Leaved Learning-Cells approach provides a more general reasoning scheme for biochemical processes, which enhances pharmacology learning beyond the specific topic learned. The present study implies that deeper understanding of pharmacology will support nursing students' clinical decisions and empower their proficiency in medications administration. PMID- 29216603 TI - Effects of an intensive clinical skills course on senior nursing students' self confidence and clinical competence: A quasi-experimental post-test study. AB - BACKGROUND: To foster nursing professionals, nursing education requires the integration of knowledge and practice. Nursing students in their senior year experience considerable stress in performing the core nursing skills because, typically, they have limited opportunities to practice these skills in their clinical practicum. Therefore, nurse educators should revise the nursing curricula to focus on core nursing skills. OBJECTIVES: To identify the effect of an intensive clinical skills course for senior nursing students on their self confidence and clinical competence. DESIGN: A quasi-experimental post-test study. SETTINGS: A university in South Korea during the 2015-2016 academic year. PARTICIPANTS: A convenience sample of 162 senior nursing students. METHODS: The experimental group (n=79) underwent the intensive clinical skills course, whereas the control group (n=83) did not. During the course, students repeatedly practiced the 20 items that make up the core basic nursing skills using clinical scenarios. Participants' self-confidence in the core clinical nursing skills was measured using a 10-point scale, while their clinical competence with these skills was measured using the core clinical nursing skills checklist. Independent t-test and chi-square tests were used to analyze the data. RESULTS: The mean scores in self-confidence and clinical competence were higher in the experimental group than in the control group. CONCLUSION: This intensive clinical skills courses had a positive effect on senior nursing students' self-confidence and clinical competence for the core clinical nursing skills. This study emphasizes the importance of reeducation using a clinical skills course during the transition from student to nursing professional. PMID- 29216604 TI - Digital holographic microscopy for 3D surface characterization of polymeric nanocomposites. AB - The aim of this paper is to introduce digital holographic microscopy (DHM) as a non-contact, inexpensive, and non-abrasive method for 3D surface characterization of polymeric nanocomposites. A common-path and vibration-immune Mirau system with a microsphere-assisted arrangement is utilized to increase the lateral resolution of the images. The characterization is performed through the measurement of roughness parameters of the surfaces, which are derived from the recorded holograms. Pure poly(triazole-amide-imide) (PTAI) and PTAI nanocomposite reinforeced with surface modified TiO2 nanoparticles (MN-TiO2) are used and compared. The experimental results show the potential of the presented method to serve as an alternative for expensive surface measurement devices such as stylus profiler and atomic force microscope (AFM) for polymeric surface characterization. PMID- 29216605 TI - Gluten peptides drive healthy and celiac monocytes toward an M2-like polarization. AB - Celiac disease (CD) is an immune-mediated enteropathy triggered by ingested gluten in genetically susceptible individuals and sustained by both adaptive and innate immune responses. Recent studies in murine macrophages demonstrated that the activation of arginase (ARG) metabolic pathway by gluten peptides contributes to the modulation of intestinal permeability in vitro. Here we characterize the effects of gluten on arginine metabolism and cell polarization in human monocytes from both healthy and CD subjects; both a simplified enzymatic digestion of gliadin and a physiological digestion of whole wheat have been tested. Results indicate that gluten digests induce the onset of an M2-like phenotype in activated macrophages; more precisely, both isoforms of arginase, ARG1 and ARG2, are induced likely due to the inhibition of mTOR and the consequent induction of C/EBPbeta transcription factor. These effects are independent from the origin of gluten as well as from the digestive protocol employed; moreover, no statistical difference can be evidenced between healthy and CD patients, excluding a diverse predisposition of CD monocytes to gluten-triggered polarization with respect to healthy immune cells. Overall, the present findings sustain a role for arginase pathway in the immune response elicited by human monocytes toward ingested gluten that, hence, deserves particular attention when addressing the pathogenesis of CD. PMID- 29216606 TI - First- and second-line pharmacological treatment for delirium in general hospital setting-Retrospective analysis. AB - AIM: We examined the first- and second-line pharmacological treatment for delirium to determine which drugs were chosen, how and when second-line drugs were started, and the effectiveness and tolerability of those treatments. METHODS: A retrospective medical chart review was performed for delirium inpatients referred to the Department of Psychiatry, Hiroshima Citizens Hospital, from October 2011 to September 2012. Clinical diagnoses were based on ICD-10. We compared the baseline severity of delirium, duration needed for improvement, and rescue with antipsychotics between subjects given only first-line drugs and those switched to second-line drugs. RESULTS: We studied 194 consecutive patients including 127 men and 67 women whose average age was 76.5+/-9.8years. For first line drugs, trazodone was most frequently prescribed (n=100, 51.5%), followed by quetiapine (n=57, 29.4%). Among patients treated with trazodone or quetiapine as first line treatment, 59 of 100 (59%) continued trazodone and 52 of 57 (91.2%) continued quetiapine. Duration needed for improvement did not differ significantly between patients treated with trazodone as a first line drug and those with quetiapine as same. CONCLUSION: Trazodone can be a candidate drug as one of the first line drugs for delirium. PMID- 29216607 TI - Frequency of risk factors and coexisting abnormalities in a population of Egyptian children with autism spectrum disorder. AB - BACKGROUND: Many risk factors interact together during the critical period of development and govern the future phenotype of autism spectrum disorder (ASD). Furthermore, co-occurring abnormalities among individuals with ASD vary a lot so as their abilities. AIM OF WORK: To investigate possible risk factors and to determine the prevalence of coexisting abnormalities in a sample of Egyptian ASD children and their influence on the severity and their communication performance. METHODS: The diagnosis and severity of ASD for participants (N=80) was performed by DSM-5, ADIR and CARS. They were investigated regarding the possible risk factors and coexisting abnormalities. A detailed history taking, clinical examination, the Arabic preschool language scale, cognitive abilities assessment and other additional instrumental measures such as EEG were used. RESULTS: Caesarian section and neonatal jaundice were the most common risk factors. The severity of ASD was positively related to maternal and paternal ages. Developmental language disorder, intellectual disability, attention deficit hyperactivity disorder, sleep disorder and EEG changes were more frequently detected among studied cases. The CARS scores were significantly higher in ADHD and EEG changes groups. The most severely affected CARS items in the groups with these disorders were determined. CONCLUSION: High parental ages has an impact on the severity of ASD. ADHD, sleep disorder, and EEG changes seem to have an impact on certain elements of the adaptive behavior especially the communicative performance of ASD individuals. We recommend to seriously investigate co-morbid abnormalities and consider them during the process of management of ASD for proper intervention plans. PMID- 29216608 TI - Short term effects of brief need based psychoeducation on knowledge, self-stigma, and burden among siblings of persons with schizophrenia: A prospective controlled trial. AB - Siblings of persons with schizophrenia are important in providing long-term social support to the patients. Interventions addressing their needs are very sparse. Hence, this study aimed at testing the short-term effects of brief need based psychoeducation on knowledge, self-stigma, and burden among siblings of persons with schizophrenia. In this prospective controlled open label trial, 80 siblings of persons with schizophrenia were allocated in equal numbers to the brief need based psychoeducation group and the treatment-as-usual group. The outcomes were measured at baseline, and after the first and third month post intervention. RM-ANCOVA was conducted to test the effect of the brief psychoeducation on outcome scores. The groups were similar with respect to socio demographic, clinical, and outcome scores at the baseline. There was a significant group*time interaction effect on knowledge (F=8.71; p<0.01; etap2=0.14) and self-stigma scores (F=14.47; p<0.001; etap2=0.21), wherein the brief psychoeducation group showed a significant increase in knowledge and reduction in self-stigma with medium effect size through baseline to the third month follow-up as compared to the treatment as usual group. We also observed a significant main effect of time; irrespective of the group allocation, there was a significant increase in the knowledge through baseline to third month follow-up (F=5.69; p=0.02; etap2=0.09). No main or interaction effects of group and time were observed on burden. The findings suggest that brief need based psychoeducation may increase knowledge about the illness and reduce self-stigma. Further systematic studies are warranted to test this intervention for long-term effects. PMID- 29216610 TI - PreScription: 2017 Pharmacy Compounding Issues: The U.S. Food and Drug Administration, Harzardous Drugs, and Wasted Drugs. PMID- 29216609 TI - What kinds of factors affect the academic outcomes of university students with mental disorders? A retrospective study based on medical records. AB - AIMS: University students that suffer from mental disorders seem to have difficulty graduating. Therefore, we investigated risk and protective factors of dropping out with the aim of improving such students' academic outcomes. METHODS: First, we statistically compared the academic outcomes of 203 undergraduate students who received treatment in the Department of Psychiatry of the Tsukuba University Health Center to those of matched controls. Second, clinical factors of 370 mentally ill students were statistically compared between the dropout and graduate groups. RESULTS: Mentally ill students experienced significantly greater difficulties graduating. Furthermore, the ratio of females and the year of study at initial consultation were significantly lower in the dropout group. However, duration of illness, social withdrawal, temporary leaves of absence, percentage of diagnosis of F2, history of truancy, CGI-S/GI score, number of suicide attempts, visits to us, family consultations with us and grade repeating were longer or greater in the dropout group. Ultimately, the number of suicide attempts, CGI-S score, social withdrawal and leaves of absence were significantly associated with dropping out. Moreover, duration of social withdrawal and leaves of absence were significantly correlated with CGI-GI score. CONCLUSION: We found that the number of suicide attempts, CGI-S score, social withdrawal and extended enrollment were risk factors for dropping out, while the therapeutic effect seemed to be a protective factor. As risk factors involved states of social maladjustment, it is necessary not only to treat mental disorders, but also to provide assistance such as educational and individual support for daily living. PMID- 29216611 TI - Compounding Opportunities in Urology. AB - There are a lot of options that pharmacists, including compounding pharmacists, can offer urologists to assist their patients. Compounding pharmacists are in a great position to offer unique, effective preparations for many of the conditions urologists treat on a daily basis. It would be well worth the time to learn a little about the conditions these specialists treat and become familiar with what you can offer. PMID- 29216612 TI - Child-safety Containers/Devices and Compounding. AB - The U.S. Consumer Product Safety Commission has been around since it was created in 1972 through the Consumer Product Safety Act. Its purpose is to protect "against unreasonable risks of injuries associated with consumer products." Manufactured drugs must meet the standards unless specifically exempted. Dispensing and compounding pharmacists must also meet the standards. Due to a smaller market size, compliant products to meet the U.S. Consumer Product Safety Commission's standards to aid compounding pharmacists have been slow in coming. However, now there are numerous different products, some introduced recently, which make it easier for compounding pharmacists to comply with the standards. The new technologies are innovative and serve a great need. PMID- 29216614 TI - IACP Legislative/Regulatory Update. PMID- 29216613 TI - Documentation: Records and Reports. AB - This article deals with documentation to include the beginning of documentation, the requirements of Good Manufacturing Practice reports and records, and the steps that can be taken to minimize Good Manufacturing Practice documentation problems. It is important to remember that documentation for 503a compounding involves the Formulation Record, Compounding Record, Standard Operating Procedures, Safety Data Sheets, etc. For 503b outsourcing facilities, compliance with Current Good Manufacturing Practices is required, so this article is applicable to them. For 503a pharmacies, one can see the development and modification of Good Manufacturing Practice and even observe changes as they are occurring in 503a documentation requirements and anticipate that changes will probably continue to occur. PMID- 29216615 TI - Quality Control: Bar Codes and Bar Code Scanners for Unit-Dose Medications in a Healthcare Setting. PMID- 29216616 TI - Basics of Compounding: 3D Printing--Pharmacy Applications: Geometric Shape Effects on 3D Printing. AB - As patient therapy becomes more specialized and individualized, one applicable method of drug delivery is through 3D printing. With 3D printing, pharmacists can provide either immediate or modified drug release of either an individual drug or multiple drugs in a singledosage unit. The release rates can be varied, not only by excipients in the formulation, but also to some extent by the shapes of the finished-drug preparation. Some studies demonstrating these concepts are included in this article, along with their method of compounding using 3D printing. PMID- 29216617 TI - Basics of Sterile Compounding: Particulate Matter. AB - This article focuses on the requirements for particulate matter in sterile products. Topics include particles and quality, particulate matter standards (large- and small-volume injectables), development of the small-volume injectable test, electronic (light obscuration) and microscope testing, and special requirements for particulate matter in biopharmaceutical preparations. PMID- 29216618 TI - Kinetic Analysis of Drug Release from Compounded Slow-release Capsules of Liothyronine Sodium (T3). AB - The purpose of this study was to formulate extemporaneously compounded Liothyronine Sodium (T3) slow-release capsules and to evaluate their in vitro drug release performance. Twenty-one formulations containing T3 (7.5 ug) with various compositions of two different grades of Methocel E4M and K100M premium (30% to 90%), and/or SimpleCap/Lactose (10% to 70%) were examined. Quality assessment of the capsules was conducted by standard quality control criteria of the United States Pharmacopeia (i.e., weight variation, content uniformity) to ensure their compliance. The dissolution release profile of the formulations was evaluated using United States Pharmacopeia Apparatus type II (paddle method) at a speed of 50 rpm and temperature of 37 degrees C in phosphate buffered saline media ( pH = 7.2 to 7.4). Aliquots from the media were taken periodically up to 24 hours and analyzed using a validated enzyme-linked immunosorbent assay method. The cumulative percentage of drug release for each formulation was fitted to eleven major release kinetic equations to determine the best-fit model of drug release, as well as the mechanism of release. Assay sensitivity was as low as 1 ng/mL and the optimal calibration range was found to be between 0 ng/mL and 7.5 ng/mL, which corresponded well with the average physiological plasma concentrations of T3. Liothyronine sodium with either SimpleCap (100%) or Methocel E4M (100%) exhibited slowrelease kinetic patterns of Peppas and Zero Order, respectively. The formulation with SimpleCap (100%) had a higher percentage of drug release (as compared to 100% Methocel E4M) within the first four hours; this formulation released 80% of the drug within 12 hours when the release was plateaued thereafter. The formulation with 30% Methocel E4M and 70% SimpleCap released 100% of the drug within the initial 12 hours and exhibited a Zero Order slow-release kinetic pattern. In general, the release kinetic rate of the formulations containing Methocel K100M appeared to be slower than Methocel E4M. This alteration may be due to a higher molecular weight and apparent viscosity of Methocel K100M. While most of the formulations were fitted to a slow release kinetic pattern, several others including Methocel E4M 100%, 30% Methocel E4M+ 70% Simple Cap, 40% Methocel K100M+ 60% SimpleCap, 50% Methocel K100M+ 50% SimpleCap, 30% Methocel E4M+ 70% Lactose, 90% Methocel E4M+ 10% Lactose, 40% Methocel K100M+ 60% Lactose, and 50% Methocel K100M+ 50% Lactose followed an ideal slow-release kinetic pattern of Zero Order or Higuchi. The results of this study successfully demonstrated the optiomal composition of slow-release compounded capsules of T3. Future studies are warranted to evaluate the in vivo performance of the optimal formulations and to establish an in vitro-in vivo correlation. PMID- 29216619 TI - Stability of Dalteparin 1,000 Unit/mL in 0.9% Sodium Chloride for Injection in Polypropylene Syringes. AB - The stability of dalteparin 1,000 units/mL in 0.9% sodium chloride for injection stored in polypropylene syringes under refrigeration was examined. Dalteparin 1,000-units/mL syringes were prepared by adding 9 mL of 0.9% sodium chloride for injection to 1 mL of dalteparin sodium 10,000 unit/mL from commercial single-use syringes. Compounded solutions in 0.5-mL aliquots were transferred to 1-mL polypropylene syringes and sealed with a Luer lock tip cap and stored at refrigerated temperatures (2 degrees C to 8 degrees C) with ambient fluorescent light exposure. Syringes from three batches of dalteparin 1,000 units/mL were potency tested in duplicate by a stability-indicating high-performance liquid chromatography assay using a 0.5-mL sample at specified intervals. Visual and pH testing were performed on each batch. Samples were visually inspected for container integrity, color, and clarity. Samples for pH testing were prepared using a 1:1 dilution of dalteparin 1,000 units/mL in sterile water for injection and underwent duplicate analysis at each time point. High-performance liquid chromatography analyses showed a remaining percent of the initial dalteparin content at day 30 of 94.88% +/- 2.11%. Samples remained colorless and clear with no signs of container compromise and no visual particulate matter at each time point. Throughout the 30-day study period, pH values remained within 0.3-pH units from the initial value of 5.84. Dalteparin 1,000 unit/mL in 0.9% sodium chloride for injection, packaged in 1-mL polypropylene syringes was stable for at least 30 days while stored at refrigerated conditions with ambient fluorescent light exposure. PMID- 29216620 TI - Physicochemical Stability of an Oral Suspension of Trimethoprim 20 mg/mL in Combination with Sulfadiazine 200 mg/mL in PCCA Base SuspendIt. AB - Trimethoprim is a diaminopyrimidine antibacterial agent that, like sulfonamides, inhibits bacterial folic acid synthesis, but at a different stage in the metabolic pathway. It has a similar spectrum of activity to the sulfonamides and is given by mouth or by injection, either alone or in conjunction with a sulfonamide, such as sulfadiazine. Sulfadiazine is a bacteriostatic antibacterial agent that interferes with folic acid synthesis in susceptible bacteria. The combination of the two drugs produces a synergistic effect against both Gram positive and Gram-negative aerobic bacteria, by inhibiting enzymes in the folic acid pathways, which in turn inhibits bacterial thymidine synthesis. There are no published studies of the stability of the combination of trimethoprim and sulfadiazine in a liquid dosage form. An extemporaneously compounded suspension from pure drug powders or commercial tablets would provide an alternative option to meet unique patient needs. The purpose of this study was to determine the physicochemical stability of trimethoprim combined with sulfadiazine in PCCA base SuspendIt. PCCA base SuspendIt is a sugar-free, paraben-free, dye-free, and gluten-free thixotropic vehicle containing a natural sweetener obtained from the monk fruit. It thickens upon standing to minimize settling of any insoluble drug particles and becomes fluid upon shaking to allow convenient pouring during administration to the patient. A robust stability-indicating high-performance liquid chromatographic assay for the simultaneous determination of trimethoprim and sulfadiazine in SuspendIt was developed and validated. This assay was used to determine the chemical stability of both drugs in SuspendIt. Samples were prepared and stored under three different temperature conditions (5 degrees C, 25 degrees C, 40 degrees C), and assayed using the high-performance liquid chromatographic assay at pre-determined intervals over an extended period of time as follows: 0, 7, 14, 30, 45, 60, 91, 120, and 182 days at each designated temperature. Physical data such as pH, viscosity, appearance, and average particle size were also monitored. The study showed that drug concentration did not go below 90% of the label claim (initial drug concentration) at room temperature and in the refrigerator. The pH values also did not change significantly. There was some variability in viscosity and average particle size. This study demonstrates that trimethoprim and sulfadiazine are physically and chemically stable in combination in SuspendIt for 182 days at room temperature and in the refrigerator, thus providing a viable, compounded alternative for both drugs in a liquid dosage form, with an extended beyond-use-date to meet patient needs. PMID- 29216621 TI - Stability of Dexmedetomidine in 0.9% Sodium Chloride in Two Types of Intravenous Infusion Bags. AB - Dexmedetomidine is a frequently used sedative in the critical care setting. It is commercially available as a 4-mg/mL premixed compound or as 200-mcg/2-mL vials that must be further diluted prior to administration. However, limited data exist regarding the stability of dexmedetomidine admixtures compounded from the 200 mcg/2-mL vials, particularly for durations greater than 48 hours. Therefore, we performed stability testing on compounded dexmedetomidine prepared in two types of intravenous infusion bags for 14 days. Dexmedetomidine is available as 200 mcg/2-mL vials for dilution, 80-mcg/20-mL single-dose vials, and as 200-mcg/50-mL and 400-mcg/100-mL glass bottles. The stability of dexmedetomidine admixtures has previously been tested for 48 hours. The purpose of this analysis was to test the stability of dexmedetomidine admixtures for 14 days. Six dexmedetomidine admixtures of 200 mcg/50 mL were compounded in polyvinyl chloride and non polyvinyl chloride bags, three of which were stored under refrigeration and three of which were kept at room temperature. High-performance liquid chromatography testing was performed to determine the concentration at Days 1 through 14. Stability was determined by taking the mean concentration of samples taken from each bag. All samples were tested in duplicate. A sample was considered stable if the concentration was greater than 90% of the original concentration. All samples retained over 90% of the drug under their respective storage conditions for the duration of the study. At time 0, the concentration of dexmedetomidine was between 3.99 mcg/mL and 4.01 mcg/mL. On Day 14, the mean concentration was between 95.8% and 98.9%, depending on the bag type and storage condition. The pH remained between 4.7 and 5.8 during the study period as has previously been reported in the literature. Dexmedetomidine admixtures of 200 mcg/50 mL were stable in both polyvinyl chloride bags and non-polyvinyl chloride bags for 14 days under refrigeration and 48 hours at room temperature. This represents the longest time allowable under United States Pharmacopeia Chapter <797> without the need for sterility testing. PMID- 29216623 TI - Exosomal MicroRNA MiR-1246 Promotes Cell Proliferation, Invasion and Drug Resistance by Targeting CCNG2 in Breast Cancer. AB - BACKGROUND/AIMS: Treatment of breast cancer remains a clinical challenge. This study aims to validate exosomal microRNA-1246 (miR-1246) as a serum biomarker for breast cancer and understand the underlying mechanism in breast cancer progression. METHODS: The expression levels of endogenous and exosomal miRNAs were examined by real time PCR, and the expression level of the target protein was detected by western blot. Scanning electron and confocal microscopy were used to characterize exosomes and to study their uptake and transfer. Luciferase reporter plasmids and its mutant were used to confirm direct targeting. Furthermore, the functional significance of exosomal miR-1246 was estimated by invasion assay and cell viability assay. RESULTS: In this study, we demonstrate that exosomes carrying microRNA can be transferred among different cell lines through direct uptake. miR-1246 is highly expressed in metastatic breast cancer MDA-MB-231 cells compared to non-metastatic breast cancer cells or non-malignant breast cells. Moreover, miR-1246 can suppress the expression level of its target gene, Cyclin-G2 (CCNG2), indicating its functional significance. Finally, treatment with exosomes derived from MDA-MB-231 cells could enhance the viability, migration and chemotherapy resistance of non-malignant HMLE cells. CONCLUSIONS: Together, our results support an important role of exosomes and exosomal miRNAs in regulating breast tumor progression, which highlights their potential for applications in miRNA-based therapeutics. PMID- 29216625 TI - Missing Links in Epithelial-Mesenchymal Transition: Long Non-Coding RNAs Enter the Arena. AB - Cancer metastasis occurs through a series of sequential steps, which involves dissemination of tumor cells from a primary site and colonization in distant tissues. To promote the invasion-metastasis cascade, carcinoma cells usually initiate a cell-biological program called epithelial-mesenchymal transition (EMT), which is orchestrated by a set of master regulators, including TGF-beta, Snail, ZEB and Twist families. The biological activities of these molecules are tightly regulated by a variety of cell-intrinsic pathways as well as extracellular cues. Recently, accumulating evidence indicates that long non coding RNAs (lncRNAs) represent some of the most differentially expressed transcripts between primary and metastatic cancers. LncRNAs including MALAT1, HOTAIR, H19, LncRNA-ATB, and LincRNA-ROR have been reported to be involved in the process of EMT, mainly through cross-talking with master regulators of EMT. Thus, understanding the different and precise molecular mechanisms by which functional lncRNAs switch EMT on and off is important for opening up new avenues in lncRNA directed diagnosis, prognosis, and therapeutic intervention against cancer. PMID- 29216626 TI - Evidence For Hmgn2 Involvement in Mouse Embryo Implantation and Decidualization. AB - BACKGROUND/AIMS: Hmgn2 is involved in regulating embryonic development, but its physiological function during embryo implantation and decidualization remains unknown. METHODS: In situ hybridization, real-time PCR, RNA interference, gene overexpression and MTS assay were used to examine the expression of Hmgn2 in mouse uterus during the pre-implantation period and explore its function and regulatory mechanisms in epithelial adhesion junction and stromal cell proliferation and differentiation. RESULTS: Hmgn2 was primarily accumulated in uterine luminal epithelia on day 4 of pregnancy and subluminal stromal cells around the implanting blastocyst at implantation sites on day 5. Similar results were observed during delayed implantation and activation. Meanwhile, Hmgn2 expression was visualized in the decidua. In uterine epithelial cells, silencing of Hmgn2 by specific siRNA reduced the expression of adhesion molecules Cdh1, Cdh2 and Ctnnb1 and enhanced the expression of Muc1, whereas constitutive activation of Hmgn2 exhibited the opposite effects, suggesting a role for Hmgn2 in attachment reaction during embryo implantation. Estrogen stimulated the expression of Hmgn2 in uterine epithelia, but the stimulation was abrogated by ER antagonist ICI 182,780. Further analysis evidenced that attenuation of Hmgn2 might eliminate the regulation of estrogen on the expression of Cdh1, Cdh2 and Ctnnb1. In uterine stromal cells, progesterone induced the accumulation of Hmgn2 which advanced the expression of Prl8a2 and Prl3c1, two well-known differentiation markers for decidualization, but did not affect the proliferation of stromal cells. Knockdown of Hmgn2 blocked the progesterone-induced differentiation of uterine stromal cells. Moreover, Hmgn2 might serve as an intermediate to mediate the regulation of progesterone on Hand2. CONCLUSION: Hmgn2 may play an important role during embryo implantation and decidualization. PMID- 29216627 TI - A Simplified Approach to Extravascular Lung Water Assessment Using Point-of-Care Ultrasound in Patients with End-Stage Chronic Renal Failure Undergoing Hemodialysis. AB - BACKGROUND: Fluid overload leading to pulmonary congestion is an important issue in patients undergoing hemodialysis. This study aimed to determine if a simplified method of extravascular lung water assessment using ultrasound provided clinically relevant information. METHODS: This prospective study recruited 47 patients from a single hemodialysis center. Pulmonary ultrasound was performed before and after 2 hemodialysis sessions in 28 regions on the thorax. The B-line score was defined as the percentage regions where B-lines were present. RESULTS: When B-lines were detected before hemodialysis, a significant relationship was found between fluid removal and the change in B-line score. Patients with a B-line score of >=21.4% (4th quartile) after the second hemodialysis session were more likely to be hospitalized for pulmonary edema or acute coronary syndrome. CONCLUSIONS: A simplified pulmonary assessment using ultrasound provides relevant information about pulmonary congestion in hemodialysis patients and identifies patients at risk of hospitalization for heart-related problems. PMID- 29216624 TI - Sildenafil (Viagra(r)) Prevents Cox-1/ TXA2 Pathway-Mediated Vascular Hypercontractility in ApoE-/- Mice. AB - BACKGROUND/AIMS: The atherosclerotic apolipoprotein E-deficient (apoE-/-) mouse exhibits impaired vasodilation and enhanced vasoconstriction responsiveness. The objectives of this study were: a) to determine the relative contribution of cyclooxygenases (Cox-1 and Cox-2), thromboxane A2 (TXA2) and endothelin-1 (ET-1) to enhancing vascular hyperresponsiveness in this model of atherosclerosis and b) to investigate the beneficial effects of the phosphodiesterase 5 inhibitor sildenafil on this endothelial dysfunction. METHODS: Adult male apoE-/- mice were treated with sildenafil (40 mg/kg/day, for 3 weeks) and compared with non-treated ApoE-/- and wild-type mice. The beneficial effects of sildenafil on vascular contractile response to phenylephrine (PE) in aortic rings were evaluated before and after incubation with Cox-1 (SC-560) or Cox-2 (NS-398) inhibitors or the TP antagonist SQ-29548, and on contractile responsiveness to ET-1. RESULTS: ApoE-/- mice exhibited enhanced vasoconstriction to PE (Rmax ~35%, p<0.01), which was prevented by treatment with sildenafil. The enhanced PE-induced contractions were abolished by both Cox-1 inhibition and TP antagonist, but were not modified by Cox-2 inhibition. Aortic rings from ApoE-/- mice also exhibited enhanced contractions to ET-1 (Rmax ~30%, p<0.01), which were attenuated in sildenafil treated ApoE-/- mice. In addition, we observed augmented levels of vascular proinflammatory cytokines in ApoE-/- mice, which were partially corrected by treatment with sildenafil (IL-6, IL-10/IL-6 ratio and MCP-1). CONCLUSION: The present data show that the Cox-1/TXA2 pathway prevails over the Cox-2 isoform in the mediation of vascular hypercontractility observed in apoE-/-mice. The results also show a beneficial effect of sildenafil on this endothelial dysfunction and on the proinflammatory cytokines in atherosclerotic animals, opening new perspectives for the treatment of other endothelium-related cardiovascular abnormalities. PMID- 29216628 TI - MiR-212-5p Suppresses the Epithelial-Mesenchymal Transition in Triple-Negative Breast Cancer by Targeting Prrx2. AB - BACKGROUND/AIMS: Triple-negative breast cancer (TNBC) is the most aggressive breast cancer subtype. Our study investigated the functional role of miR-212-5p in TNBC. METHODS: Realtime PCR was used to quantify miR-212-5p expression levels in 30 paired TNBC samples and adjacent normal tissues. Wound healing and Transwell assays were used to evaluate the effects of miR-212-5p expression on the invasiveness of TNBC cells. Luciferase reporter and Western blot assays were used to verify whether the mRNA encoding Prrx2 is a major target of miR-212-5p. RESULTS: MiR-212-5p was downregulated in TNBC, and its expression levels were related to tumor size, lymph node status and vascular invasion in breast cancer. We also observed that the miR-212-5p expression level was significantly correlated with a better prognosis in TNBC. Ectopic expression of miR-212-5p induced upregulation of E-cadherin expression and downregulation of vimentin expression. The expression of miR212-5p also suppressed the migration and invasion capacity of mesenchymal-like cancer cells accompanied by a morphological shift towards the epithelial phenotype. Moreover, our study observed that miR-212 5p overexpression significantly suppressed Prrx2 by targeting its 3'-untranslated region (3'-UTR) region, and Prrx2 overexpression partially abrogated miR-212-5p mediated suppression. CONCLUSIONS: Our study demonstrated that miR-212-5p inhibits TNBC from acquiring the EMT phenotype by downregulating Prrx2, thereby inhibiting cell migration and invasion during cancer progression. PMID- 29216629 TI - Erratum. PMID- 29216630 TI - Rapamycin Promotes the Survival and Adipogenesis of Ischemia-Challenged Adipose Derived Stem Cells by Improving Autophagy. AB - BACKGROUND/AIMS: Ischemia is one of the main causes of the high rate of absorption of transplanted autologous fat. Autophagy allows cells to survive by providing energy under starvation. Rapamycin has been found to play a role in promoting autophagy. In this study, we investigated whether rapamycin participates in the survival and adipogenesis of ischemia-challenged adipose derived stem cells (ADSCs) by regulating autophagy. METHODS: Before the cells were exposed to oxygen-glucose deprivation (OGD), a simulated ischemic microenvironment, the level of autophagy was reduced or increased by lentiviral transfection with short hairpin RNA targeting microtubule-associated protein 1 light chain 3 gene (shRNA-LC3) or treatment with rapamycin, respectively. The level of autophagy was assessed by western blotting, transmission electron microscopythen the apoptosis ratio was determined through terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) and flow cytometry. Adipogenesis was further evaluated by oil red O staining and the expressions level of some specific proteins for adipocytes. RESULTS: shRNA-LC3 and rapamycin treatment effectively decreased and improved the level of autophagy in cells with or without OGD challenge, respectively. In addition, autophagy inhibition increased the apoptosis rate and activated caspase-3 expression level in response to OGD, and these were markedly inhibited by rapamycin preconditioning. During adipogenesis, autophagy inhibition decreased not only oil droplet accumulation but also lipoprotein lipase (LPL) and peroxisome proliferator-activated receptor gamma (PPARgamma) expression in cells with or without OGD challenge. However, autophagy promotion by rapamycin increased oil droplet accumulation and LPL and PPARgamma expression. CONCLUSIONS: Rapamycin may promote the survival and adipogenesis of ischemia-challenged ADSCs by upregulating autophagy. PMID- 29216631 TI - Effect of Cinacalcet Combined with Calcitriol on the Clinical Outcome and Bone Metabolism in Patients on Hemodialysis with Severe Secondary Hyperparathyroidism. AB - OBJECTIVE: To observe the clinical outcome and the effect of bone metabolism of cinacalcet combined with calcitriol in maintenance hemodialysis (MHD) patients with severe secondary hyperparathyroidism (SHPT). METHODS: Thirty MHD patients with SHPT were enrolled into the study. All patients were given cinacalcet 25-75 mg and 0.5 MUg calcitriol daily. Serum Ca, P, intact parathyroid hormone (iPTH), and bone metabolic markers were measured. The clinical symptoms and their changes were investigated. RESULTS: The baseline levels of iPTH, Ca, and P were 1,787.3 +/- 1,321 pg/mL, 2.54 +/- 0.19 mmol/L, and 2.06 +/- 0.15 mmol/L respectively. After 3 months treatment, iPTH decreased by 70%. Serum Ca and P fell to 2.39 +/- 0.17 and 1.56 +/- 0.50 mmol/L (p < 0.05), respectively. After 6 months, the bone specific alkaline phosphatase, osteocalcin, and beta-cross levels were decreased by 50, 37, and 49% respectively compared with corresponding values before treatment. A decline in the bone density patients was inhibited. CONCLUSION: Cinacalcet combined with low dose calcitriol can improve high calcium, high phosphorus, and high iPTH in MHD patients with severe SHPT and also improve bone metabolism. It can be used as a favorable choice for SHPT treatment. PMID- 29216632 TI - Perturbations in Endothelial Dysfunction-Associated Pathways in the Nitrofen Induced Congenital Diaphragmatic Hernia Model. AB - Although it is well known that nitrofen induces congenital diaphragmatic hernia (CDH), including CDH-associated lung hypoplasia and pulmonary hypertension (PH) in rodents, the mechanism of pathogenesis remains largely unclear. It has been reported that pulmonary artery (PA) endothelial cell (EC) dysfunction contributes to the development of PH in CDH. Thus, we hypothesized that there is significant alteration of endothelial dysfunction-associated proteins in nitrofen-induced CDH PAs. Pregnant SD rats received either nitrofen or olive oil on gestational day 9.5. The newborn rats were sacrificed and divided into a CDH (n = 81) and a control (n = 23) group. After PA isolation, the expression of PA endothelial dysfunction-associated proteins was assessed on Western blot and immunostaining. We demonstrate that the expression of C-reactive protein and endothelin-1 and its receptors, ETA and ETB, were significantly increased in the CDH PAs. Levels of phosphorylated myosin light chain were significantly elevated, but those of phosphorylated endothelial nitric oxide synthase, caveolin-1, and mechanistic target of rapamycin were significantly decreased in the CDH PAs. In this work, we elucidate alterations in the expression of endothelial dysfunction-associated proteins specific to nitrofen-induced CDH rodent PAs, thereby advancing our understanding of the critical role of endothelial dysfunction-associated pathways in the pathogenesis of nitrofen-induced CDH. PMID- 29216633 TI - Greater Experience of Negative Non-Target Emotions by Patients with Neurodegenerative Diseases Is Related to Lower Emotional Well-Being in Caregivers. AB - BACKGROUND: Behavioral symptoms in patients with neurodegenerative diseases can be particularly challenging for caregivers. Previously, we reported that patients with frontotemporal dementia (FTD) and Alzheimer's disease (AD) experienced emotions that were atypical or incongruent with a given situation (i.e., non target emotions). AIM: We tested the hypothesis that greater experience of non target emotions by patients is associated with lower caregiver emotional well being. METHODS: 178 patients with FTD, AD, or other neurodegenerative diseases and 35 healthy individuals watched 3 films designed to induce amusement, sadness, and disgust, and then reported their emotions during the films. Caregivers of the patients reported their own emotional well-being on the Medical Outcomes Study 36 item Short-Form Health Survey. RESULTS: In response to the amusement and sadness (but not disgust) films, greater experience of non-target emotions by patients was related to lower caregiver emotional well-being. These effects were specific to patients' experience of negative non-target emotions (i.e., not found for positive non-target emotions or for negative or positive target emotions). CONCLUSION: The findings reveal a previously unstudied patient behavior that is related to worse caregiver emotional well-being. Future research and clinical assessment may benefit from evaluating non-target emotions in patients. PMID- 29216634 TI - Lysine Restriction Affects Feed Intake and Amino Acid Metabolism via Gut Microbiome in Piglets. AB - BACKGROUND/AIMS: Our previous reports suggested that dietary supplementation with lysine influenced intestinal absorption and metabolism of amino acids. In this study, we further investigated the effect of lysine restriction (30%) on feed intake and we also tested the hypothesis that gut microbiome contributed to the potential mechanism of lysine restriction-mediated feeding behavior. Here, we profiled gut microbial communities by sequencing 16S ribosomal ribonucleic acid (rRNA) genes from gut samples as well as growth performance, serum hormones, and intestinal lysine transport in a piglet model. RESULTS: Piglets preferred to the lysine restricted diet when giving three diets and the feed intake was markedly higher in the lysine-restricted group than that in the control group. Altered hormones (leptin, CCK, and ghrelin) might contribute to the feeding behavior caused by lysine restriction. Meanwhile, lysine transporting ability (SLC7A1 and SLC7A2 expression, intestinal electrophysiological changes, and amino acid pool in mesenteric vein) was decreased in response to lysine restriction. Through deep sequencing of bacterial rRNA markers, we observed that bacterial diversity was enhanced in the lysine-restricted group (Shannon H, PD, and Chao1). At the phylum level, lysine restriction enhanced gut Actinobacteria, Saccharibacteria, and Synergistetes abundances. At the family level, Moraxellaceae, Halomonadaceae, Shewanellaceae, Corynebacteriaceae, Bacillaceae, Comamonadaceae, Microbacteriaceae, Caulobacteraceae, and Synergistaceae abundances were increased in response to lysine restriction. Predictive functional profiling of microbial communities by PICRUSt also confirmed that dietary lysine restriction affected gut microbiome, which might further mediate amino acid metabolism, membrane transport, and endocrine system. CONCLUSION: Our results indicated that lysine restriction inhibited intestinal lysine transport and promoted feed intake, which might be associated with gut microbiome. PMID- 29216635 TI - Deficits in Docosahexaenoic Acid Accrual during Adolescence Reduce Rat Forebrain White Matter Microstructural Integrity: An in vivo Diffusion Tensor Imaging Study. AB - Neuropsychiatric disorders that frequently initially emerge during adolescence are associated with deficits in the omega-3 (n-3) fatty acid docosahexaenoic acid (DHA), elevated proinflammatory signaling, and regional reductions in white matter integrity (WMI). This study determined the effects of altering brain DHA accrual during adolescence on WMI in the rat brain by diffusion tensor imaging (DTI), and investigated the potential mediating role of proinflammatory signaling. During periadolescent development, male rats were fed a diet deficient in n-3 fatty acids (DEF, n = 20), a fish oil-fortified diet containing preformed DHA (FO, n = 20), or a control diet (CON, n = 20). In adulthood, DTI scans were performed and brain WMI was determined using voxelwise tract-based spatial statistics (TBSS). Postmortem fatty acid composition, peripheral (plasma IL 1beta, IL-6, and C-reactive protein [CRP]) and central (IL-1beta and CD11b mRNA) proinflammatory markers, and myelin basic protein (MBP) mRNA expression were determined. Compared with CON rats, forebrain DHA levels were lower in DEF rats and higher in FO rats. Compared with CON rats, DEF rats exhibited greater radial diffusivity (RD) and mean diffusivity in the right external capsule, and greater axial diffusivity in the corpus callosum genu and left external capsule. DEF rats also exhibited greater RD than FO rats in the right external capsule. Forebrain MBP expression did not differ between groups. Compared with CON rats, central (IL 1beta and CD11b) and peripheral (IL-1beta and IL-6) proinflammatory markers were not different in DEF rats, and DEF rats exhibited lower CRP levels. These findings demonstrate that deficits in adolescent DHA accrual negatively impact forebrain WMI, independently of elevated proinflammatory signaling. PMID- 29216637 TI - ILUVIEN in Diabetic Macular Edema: The Choice of Second-Line Corticosteroid Should Be Left to the Clinical Judgement of the Treating Physician. PMID- 29216636 TI - Reduction of Uterine Perfusion Pressure Induced Redistribution of Endothelin Receptor Type-B Between the Intima and Media Contributes to the Pathogenesis of Pregnancy-Induced Hypertension. AB - BACKGROUND/AIMS: Studies have shown that a change in endothelin receptor expression in the artery is related to pregnancy-induced hypertension (PIH). However, the mechanism underlying this change remains unclear. METHODS: To test whether the distribution of endothelin receptor type-A (ETAR) and type-B (ETBR) plays an important role in PIH, a reduction of uterine perfusion pressure (RUPP) rat model was used to mimic some of the features of PIH; the resulting variable endothelin receptor expression was investigated in the media and intima of the aorta. Single vascular smooth muscle cells (VSMCs) were isolated from RUPP and normal pregnant (NP) rats to study the effect of ETAR and ETBR in smooth muscle cells. RESULTS: Compared with NP rats, RUPP rats had a significant redistribution of ETBR expression in the intima and media, while there was no significant difference in ETAR expression between the two groups. ETBR upregulation in VSMCs enhanced cellular contraction and contributed to PIH. The TNF-alpha plasma levels in RUPP rats were two-fold higher than those of NP rats, which upregulated the expression of ETBR in VSMCS through the NF-kappaB pathways in RUPP rats. CONCLUSION: Redistribution of ETBR between the media and intima played an important role in the pathogenesis of PIH. PMID- 29216638 TI - MicroRNA-122 Inhibits Lipid Droplet Formation and Hepatic Triglyceride Accumulation via Yin Yang 1. AB - BACKGROUND/AIMS: An increase in intracellular lipid droplet formation and hepatic triglyceride (TG) content usually results in nonalcoholic fatty liver disease. However, the mechanisms underlying the regulation of hepatic TG homeostasis remain unclear. METHODS: Oil red O staining and TG measurement were performed to determine the lipid content. miRNA expression was evaluated by quantitative PCR. A luciferase assay was performed to validate the regulation of Yin Yang 1 (YY1) by microRNA (miR)-122. The effects of miR-122 expression on YY1 and its mechanisms involving the farnesoid X receptor and small heterodimer partner (FXR SHP) pathway were evaluated by quantitative PCR and Western blot analyses. RESULTS: miR-122 was downregulated in free fatty acid (FFA)-induced steatotic hepatocytes, and streptozotocin and high-fat diet (STZ-HFD) induced nonalcoholic steatohepatitis (NASH) in mice. Transfection of hepatocytes with miR-122 mimics before FFA induction inhibited lipid droplet formation and TG accumulation in vitro. These results were verified by overexpressing miR-122 in the livers of STZ HFD-induced NASH mice. The 3'-untranslated region (3'UTR) of YY1 mRNA is predicted to contain an evolutionarily conserved miR-122 binding site. In silico searches, a luciferase reporter assay and quantitative PCR analysis confirmed that miR-122 directly bound to the YY1 3'UTR to negatively regulate YY1 mRNA in HepG2 and Huh7 cells. The (FXR-SHP) signaling axis, which is downstream of YY1, may play a key role in the mechanism of miR-122-regulated lipid homeostasis. YY1 FXR-SHP signaling, which is negatively regulated by FFA, was enhanced by miR-122 overexpression. This finding was also confirmed by overexpression of miR-122 in the livers of NASH mice. CONCLUSIONS: The present results indicate that miR-122 plays an important role in lipid (particularly TG) accumulation in the liver by reducing YY1 mRNA stability to upregulate FXR-SHP signaling. PMID- 29216639 TI - Exendin-4 Induces Bone Marrow Stromal Cells Migration Through Bone Marrow-Derived Macrophages Polarization via PKA-STAT3 Signaling Pathway. AB - BACKGROUND/AIMS: The synthesis and degradation processes involved in bone remodeling are critically regulated by osteoblasts and osteoclasts. The GLP-1 receptor agonist Exendin-4 is beneficial for osteoblast differentiation and increases the number of osteoblasts. METHODS: We constructed an ovariectomized model to evaluate the impact of Exendin-4 on bone formation in osteoporosis. A macrophage-depleted model was also created to investigate the effect of macrophages on bone formation. Thirty-two female WT C57BL/6 mice (aged 3 months) were randomly assigned to a normal control group and four ovariectomized (OVX) subgroups: OVX + vehicle group, OVX + Exendin-4 (4.2 ug/kg/day) group, OVX + chloride phosphate liposome group and OVX + chloride phosphate liposome + Exendin 4 group. RESULTS: In this study, we found that Exendin-4 not only increased the number of osteoblasts and decreased the number of osteoclasts, but also increased the number of bone marrow stromal cells (BMSCs) at the bone surface. Moreover, we found that OVX mice treated with Exendin-4 increased TGF-beta1 levels at the bone surface compared with that in OVX mice. Besides, Exendin-4 promoted the polarization of bone marrow-derived macrophages into M2 subtype and increased TGF beta1 secretion by the M2 subtype. Finally, we found that Exendin-4 induced macrophage polarization via the cAMP-PKA-STAT3 signaling pathway. CONCLUSION: Exendin-4 promotes bone marrow-derived macrophage polarization to the M2 subtype and induces BMSC migration to the bone surface via PKA-STAT3 signaling. PMID- 29216640 TI - Celecoxib Down-Regulates the Hypoxia-Induced Expression of HIF-1alpha and VEGF Through the PI3K/AKT Pathway in Retinal Pigment Epithelial Cells. AB - BACKGROUND/AIMS: The goal of this study was to detect the expression of hypoxia inducible factor 1alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF) in human retinal pigmented epithelial (RPE) cells treated with celecoxib, a selective cyclooxygenase-2 (COX-2) inhibitor, under hypoxic and normoxic conditions and to explore the signaling mechanism involved in regulating the hypoxia-induced expression of HIF-1alpha and VEGF in RPE cells. METHODS: D407 cells were cultured in normoxic or hypoxic conditions, with or without celecoxib or a PI3K inhibitor (LY294002). The anti-proliferative effect of celecoxib was assessed using the MTT assay. RT-PCR, Western blotting and ELISA were performed to detect the levels of PI3K, phosphorylated AKT (p-AKT), HIF-1alpha, VEGF and COX-2. RESULTS: Celecoxib inhibited the proliferation of RPE cells in a dose dependent manner. Celecoxib suppressed the expression of VEGF at both the mRNA and protein levels and decreased HIF-1alpha protein expression. HIF-1alpha activation was regulated by the PI3K/AKT pathway. The celecoxib-induced down regulation of HIF-1alpha and VEGF required the suppression of the hypoxia-induced PI3K/AKT pathway. However, the down-regulation of COX-2 did not occur in cells treated with celecoxib. CONCLUSIONS: The antiangiogenic effects of celecoxib in RPE cells under hypoxic conditions resulted from the inhibition of HIF-1alpha and VEGF expression, which may be partly mediated by a COX-2-independent, PI3K/AKT dependent pathway. PMID- 29216641 TI - ZNF750 Expression Is a Potential Prognostic Biomarker in Esophageal Squamous Cell Carcinoma. AB - OBJECTIVE: ZNF750, a transcriptional regulator of epidermal differentiation, has been identified as a tumor suppressor in esophageal squamous cell carcinoma (ESCC). The aim of the present study was to investigate the clinical and prognostic significance of ZNF750 expression and to evaluate the effect of ZNF750 knockdown on cell proliferation, migration, and invasion in ESCC. METHODS: A total of 124 patients with ESCC who underwent curative esophagectomy were evaluated in this study. The expression of ZNF750 in surgical specimens was immunohistochemically assessed and used in the analysis of clinicopathological features and overall survival (OS). The molecular role of ZNF750 was investigated by ZNF750 knockdown using small interfering RNA (siRNA) in ESCC cell lines. RESULTS: Low ZNF750 expression had a significant correlation with positive lymph node metastasis (p = 0.028). Furthermore, there was a significant relationship between low expression of ZNF750 in ESCC and a poor OS, and a multivariate analysis showed that low ZNF750 expression was an independent prognostic factor (p = 0.020). The cell growth, migration, and invasion were significantly increased by downregulation of ZNF750. CONCLUSIONS: The low expression of ZNF750 was significantly associated with a poor prognosis, and ZNF750 expression may, therefore, be a reliable prognostic biomarker in ESCC. PMID- 29216642 TI - Taurine Protects Mouse Spermatocytes from Ionizing Radiation-Induced Damage Through Activation of Nrf2/HO-1 Signaling. AB - BACKGROUND/AIMS: The increasing prevalence of ionizing radiation exposure has inevitably raised public concern over the potential detrimental effects of ionizing radiation on male reproductive system function. The detection of drug candidates to prevent reproductive system from damage caused by ionizing radiation is urgent. We aimed to investigate the protective role of taurine on the injury of mouse spermatocyte-derived cells (GC-2) subjected to ionizing radiation. METHODS: mouse spermatocytes (GC-2 cells) were exposed to ionizing radiation with or without treatment of Taurine. The effect of ionizing radiation and Taurine treatment on GC-2 cells were evaluated by cell viability assay (CCK8), cell cycle and apoptosis. The relative protein abundance change was determined by Western blotting. The siRNA was used to explore whether Nrf2 signaling was involved in the cytoprotection of Taurine. RESULTS: Taurine significantly inhibited the decrease of cell viability, percentage of apoptotic cells and cell cycle arrest induced by ionizing radiation. Western blot analysis showed that taurine significantly limited the ionizing radiation-induced down regulation of CyclinB1 and CDK1, and suppressed activation of Fas/FasL system pathway. In addition, taurine treatment significantly increased the expression of Nrf2 and HO-1 in GC-2 cells exposed to ionizing radiation, two components in antioxidant pathway. The above cytoprotection of Taurine was blocked by siNrf2. CONCLUSION: Our results demonstrate that taurine has the potential to effectively protect GC-2 cells from ionizing radiation- triggered damage via upregulation of Nrf2/HO-1 signaling. PMID- 29216644 TI - Prognostic Factors and Efficacy for Continuous Renal Replacement Therapy in Critically Ill Patients: A Chinese Single-Center Retrospective Study. AB - BACKGROUND: There is controversy about the efficacy and prognostic factors for continuous renal replacement therapy (CRRT) in China due to practice variation. Our aim is to investigate these questions. METHOD: A total of 613 adult patients receiving CRRT in last 3 years from one Chinese ICU were enrolled. The analysis of demographic data, vital signs, and laboratory tests prior to CRRT and outcomes were performed. The data between pre- and post-CRRT were compared for efficacy analysis. RESULTS: Prior to CRRT, partial pressure of carbon dioxide (PCO2), systolic blood pressure (SBP), gender, age, bilirubin, cystatin C, and mechanical ventilation were correlated with in-hospital mortality. In a binary logistic regression, PCO2, SBP, age, and gender were significant in predicting mortality. Cox regression analysis demonstrated PCO2 independent association with mortality, and lower SBP worse mortality. CRRT could eliminate the fluid and metabolites. CONCLUSION: CO2 retention and low SBP prior to CRRT were associated with increased mortality. CRRT significantly improved hemeostasis. PMID- 29216643 TI - Emerging Treatment Options in Atopic Dermatitis: Topical Therapies. AB - Atopic dermatitis is a chronic inflammatory skin disorder affecting children and adults, with the majority presenting mild to moderate disease severity. The use of topical corticosteroids (TCSs) in combination with emollients has been the mainstay for treating mild to moderate atopic dermatitis since the 1950s, and as a supplement to systemic treatment in severe disease. However, while very effective, TCSs are often accompanied by poor adherence due to corticophobia (fear of using corticosteroids in patients or doctors), unwanted side effects, and in some cases insufficient clinical response. Topical calcineurin inhibitors (TCIs) are able to inhibit the activation of T-lymphocytes and thereby diminish inflammation. In some patients the use of TCIs has been limited due to a localized burning sensation on the first days of treatment, and also due to fear of other adverse effects. Consequently, there has been a need for the development of new topical products for atopic dermatitis. Novel topical therapies are in the pipeline and comprise both new doses and formulations of well-known pharmaceutical molecules and novel approaches targeting unique inflammatory pathways and mechanisms of disease, with a promise of higher efficacy and less harmful side effects. We review topical drugs in the pipeline for atopic dermatitis, and focus on those available in the clinicaltrials.gov database with a first received date from January 1, 2014 to May 31, 2017. PMID- 29216650 TI - [Have Multimodal and Perioperative Therapeutic Strategies Changed the Survival after Oncological Oesophageal Surgery in the Last Two Decades? A Retrospective Cohort Analysis over 23 Years]. AB - BACKGROUND: Esophageal malignoma is among the most frequent causes for cancer related deaths. The only definite curative therapy is esophagectomy embedded in various multimodal treatment regimens. The aim of this study was to evaluate long term development after esophageal surgery in the last two decades in order to observe possible trends and their influence on short, medium and long term survival. PATIENTS AND METHODS: Cases of 301 patients who underwent esophagectomy between 1989 and 2012 were analysed retrospectively. To investigate possible changes in perioperative management and their influence on prognosis patients were divided into two cohorts (A: surgery between 1989 and 2000; B: surgery between 2001 and 2012) and further analyzed with regard to demographics, tumor entity, stage, complications and survival. Statistics were conducted to compare both groups while p <= 0.05 was regarded as statistically significant. RESULTS: In cohort B patients were significantly older compared to cohort A and underwent surgery in earlier tumor stages with a higher lymphnode yield. Also an increased incidence of adenocarcinoma was observed. While overall morbidity did not change significantly, a decreased rate of anastomotic leakage was observed in cohort B (5.5%) compared to cohort A (12.3%) accompanied by a simultaneous increase in cardiac events (A: 3.6% vs. B: 12.3%). Overall 30-days-mortality was 2.7% and decreased significantly from 5% in cohort A to 0.7% in cohort B (p = 0.05). Median survival was 46 +/- 7 month in cohort A, in cohort B an increase could be observed (53 +/- 7 months, p = 0.03). By univariate analysis we could demonstrate that stage, affected lymph nodes, lymphnode ratio (LNR) and incidence of postoperative complications were significant predictors for the survival whereas in multivariate analysis T-stage, R-status and LNR were independent predictors for patients outcome. CONCLUSION: Patients undergoing esophageal resection for cancer nowadays are older than in the past decades. Earlier cancer diagnosis, more radical surgical techniques with an extended lymphnode dissection, a decrease in anastomotic leakage and an improved perioperative care seem to compensate for this potential demographic disadvantage. The most important independent predictor of outcome after esophageal resection is the LNR. PMID- 29216651 TI - Regenerative Medicine/Cardiac Cell Therapy: Pluripotent Stem Cells. AB - For more than 20 years, tremendous efforts have been made to develop cell-based therapies for treatment of heart failure. However, the results of clinical trials using somatic, nonpluripotent stem or progenitor cells have been largely disappointing in both cardiology and cardiac surgery scenarios. Surgical groups were among the pioneers of experimental and clinical myocyte transplantation ("cellular cardiomyoplasty"), but little translational progress was made prior to the development of cellular reprogramming for creation of induced pluripotent stem cells (iPSC). Ever since, protocols have been developed which allow for the derivation of large numbers of autologous cardiomyocytes (CMs) from patient specific iPSC, moving translational research closer toward clinical pilot trials. However, compared with somatic cell therapy, the technology required for safe and efficacious pluripotent stem cell (PSC)-based therapies is extremely complex and requires tremendous resources and close interactions between basic scientists and clinicians. This review summarizes PSC sources, strategies to derive CMs, current cardiac tissue engineering approaches, concerns regarding immunogenicity and cellular maturity, and highlights the contributions made by surgical groups. PMID- 29216652 TI - ? PMID- 29216653 TI - ? PMID- 29216654 TI - ? PMID- 29216655 TI - ? PMID- 29216656 TI - ? PMID- 29216657 TI - ? PMID- 29216658 TI - ? PMID- 29216659 TI - ? PMID- 29216660 TI - ? PMID- 29216661 TI - ? PMID- 29216662 TI - ? PMID- 29216663 TI - [Reconstructive surgery of ureteral stricture disease]. PMID- 29216665 TI - ? PMID- 29216664 TI - [Acute scrotal pain in childhood: legal pitfalls]. AB - Acute scrotal pain in childhood is an emergency.Sudden scrotal pain may be caused by a variety of diseases. Therefore, it is important to carefully consider the specific medical history and possible differential diagnoses in each case for fast and decisive action (e. g. in case of testicular torsion). As minors lack the capacity for consent, it is absolutely necessary to obtain consent from their legal guardian. However, obtaining consent in the available time frame can cause organisational challenges in an acute emergency, which may lead to situations in the daily routine where a therapeutic decision needs to be taken (including surgery) without legal security based on consent by the guardian. In some cases, the child's consent also needs to be taken into account, depending on its age and development.For the physician and surgeon in charge, the legal evaluation of the case at hand and therewith the obtainment of legal security are of great significance. PMID- 29216666 TI - [Cardiac Rehabilitation]. AB - Physical training, psychosocial intervention, nutrition counselling and optimisation of secondary preventive medication to reduce morbidity and mortality of the disease as well as the reintegration into social life and return to work are equivalent goals of cardiac rehabilitation. This requires multifactorial intervention by a multidisciplinary team. In Germany, cardiac rehabilitation starting early after an index event could demonstrate a significant reduction of total mortality, myocardial infarction and hospitalisation during a follow-up of 1-2 years in 5 controlled cohort studies including 12 556 patients after myocardial infarction and CABG surgery. The reduction of clinical events was obtained in addition to rapid revascularisation therapy during the acute coronary event and on top of evidence based medication. In national and international guidelines, cardiac rehabilitation is recommended as well after valve surgery or intervention, in patients with heart failure and after ICD-, CRT- and VAD implantation. Cardiac rehabilitation in Germany should be evaluated in a randomised controlled trial as well. In addition, multifactorial interventions should be tailored individually to specific patient subgroups, medical conditions and comorbidities. Return to work should be emphasized as a major topic of cardiac rehabilitation. PMID- 29216667 TI - [Confounding and Biasing Variables in Observational and Intervention Studies in Rehabilitation]. AB - To prove and determine effects of rehabilitation treatments, appropriate study designs have to be applied which allow inferring that differences in the outcome variables (e .g. health state) are causally determined by rehabilitation treatments. In observational studies confounding variables may affect or distort the association between treatment and outcome variables. Preference for a treatment, motivation for treatment or level of impairment before rehabilitation are typical confounders in rehabilitational intervention studies. These potential confounders are especially important if patients chose treatment voluntarily or the treatment has been suggested because of specific impairment characteristics (external program effects). Appropriately controlled intervention studies (especially randomized control trials, RCTs) allow controlling for such biasing effects. But also for appropriate controlled intervention studies, biasing effects may arise due to the implementation of the study design (e. g. selection of participants, applying assessment instruments, communication of participants of different study groups; design effects, treatment contaminations) and may deteriorate the unambiguous interpretability of empirical results. It is shown which confounding and distortional effects have to be regarded that may affect the interpretability of associations. Recommendations for planning, conducting and analyzing empirical studies are given to avoid such biasing effects in the best possible way. PMID- 29216668 TI - Characteristic Chromatogram: A Method of Discriminate and Quantitative Analysis for Quality Evaluation of Uncaria Stem with Hooks. AB - It remains a challenge to establish new monographs for herbal drugs derived from multiple botanical sources. Specifically, the difficulty involves discriminating and quantifying these herbs with components whose levels vary markedly among different samples. Using Uncaria stem with hooks as an example, a characteristic chromatogram was proposed to discriminate its five botanical origins and to quantify its characteristic components in the chromatogram. The characteristic chromatogram with respect to the components of Uncaria stem with hooks with the five botanical origins was established using 0.02% diethylamine and acetonitrile as the mobile phase. The total analysis time was 50 min and the detection wavelength was 245 nm. Using the same chromatogram parameters, the single standard to determine multicomponents method was validated to simultaneously quantify nine indole alkaloids, including vincosamide, 3alpha-dihydrocadambine, isocorynoxeine, corynoxeine, isorhynchophylline, rhynchophylline, hirsuteine, hirsutine, and geissoschizine methyl ether. The results showed that only the Uncaria stem with hooks from Uncaria rhynchophylla, the most widely used in the herbal market, showed the presence of these nine alkaloids. The conversion factors were 1.27, 2.32, 0.98, 1.04, 1.00, 1.02, 1.26, 1.33, and 1.25, respectively. The limits of quantitation were lower than 700 ng/mL. The total contents of 31 batches of Uncaria stem with hooks were in the range of 0.1 - 0.6%, except for Uncaria hirsuta Havil and Uncaria sinensis (Oliv.) Havil. The results also showed that the total content of indole alkaloids tended to decrease with an increase in the hook diameter. This showed that the characteristic chromatogram is practical for controlling the quality of traditional Chinese medicines with multiple botanical origins. PMID- 29216669 TI - ["It Is Up To You": A Qualitative Study of Inequalities In Healthcare From The Patient's Perspective]. AB - Objective The aim of this qualitative study was to explore inequalities in healthcare from the patient's perspective. Methods 44 semi-structured interviews with patients, aged 59-80 years, were conducted at the university hospital in Halle, Germany in 2014 and 2015. We analyzed the narratives following inductive qualitative content analysis. Results Most of the patients (82%) perceived inequalities in healthcare. Dimensions of healthcare inequalities from the patient's perspective were regional differences, type of health insurance, quality of physicians and the patients themselves (Income, Age). The patient's engagement in utilization was mentioned most often as a dimension of inequalities, but not considered a disadvantage. From the patient's perspective, inequalities were more prevalent in the outpatient sector (waiting time, lack of time). Economization in the healthcare system was viewed as the main reason of healthcare inequalities. We found no differences between patients of high and low socioeconomic status. Conclusion From the patient's point of view, their own capacity to orient and engage themselves in the healthcare system, as well as reduction of barriers to accessing outpatient care are highly important for reducing inequalities in healthcare. PMID- 29216670 TI - [Systematic Review of the Burden of Campylobacter-associated Disease]. AB - Bacteria of the genus Campylobacter spp. are one of the most common causes of gastroenteritis and can lead to serious sequelae. Several studies have estimated the disease burden of Campylobacter spp. with the quantitative metric of disability-adjusted life years (DALY). The aim of this systematic review is to give an overview of the information available about different countries and periods for which DALYs were calculated and how the different results are comparable. One of the most important transmission pathways for Campylobacter spp. is food. Therefore, special attention was given to studies that only estimated the foodborne disease burden of Campylobacter bacteria. With a systematic search for the period 1/1996-6/2016, one worldwide and 21 country specific publications of the WHO were identified. Because of the different methods and the quality of the different data sets, the estimated results of all Campylobacter health outcomes of the country-specific studies vary from 0.4 DALYs per 100000 people in France to 109 DALY per population in Poland. The calculation of the attributable foodborne disease burden was based on the estimations of the incidences of all Campylobacter health outcomes with the associated uncertainty for each result. So the estimations of the foodborne disease burden show a large range from 0.5 DALYs per 100000 people in Greek to 21.2 DALYs per 100000 people in New Zealand. This span can only be partially explained by the country-specific variability in the food production, the consumption behavior and the incidence of Campylobacter bacteria. PMID- 29216671 TI - New Advances in Surgical Approaches for Total Knee Arthroplasty. PMID- 29216672 TI - Conservative Management after Intraoperative Over-Release of the Medial Collateral Ligament from its Tibial Insertion Site in Patients Undergoing Total Knee Arthroplasty. AB - During varus deformity correction in a patient undergoing total knee arthroplasty (TKA), the medial collateral ligament (MCL) could get completely detached from its distal insertion site. Our aim was to evaluate the (1) mid-term clinical outcome and implant survival after conservative treatment in patients with intraoperatively over-released MCL and (2) preoperative risk factors for MCL over release. A retrospective study was conducted on patients who had undergone a primary TKA between 2001 and 2006. The number of knees with intraoperative MCL over-release (over-released group) was 47 (40 patients); we compared these with the knees that had intact MCL (intact group, 502 knees). Simple anchoring of MCL was performed with no additional protection. The postoperative clinical outcome and implant survival were compared. Risk factors for MCL over-release were identified using multivariate analysis. The average follow-up period was 7.5 years. The mean Knee Society score of the over-released group improved from 23.3 to 92.7 and it was not significantly different from the intact group. Three cases of aseptic loosening occurred in the over-released group and 19 in the intact group (p = 0.423). The survival rates of the implant were 94.4% and 96.1%, respectively, at 13 years postoperatively. Multivariate analysis showed preoperative femoral-tibial angle as the only risk factor for over-release. This study showed that even MCL was over-released inadvertently, but it did not affect the clinical outcome. Preoperative femoral-tibial angle was the only predictable risk factor for MCL over-release. PMID- 29216673 TI - Factors Affecting Longer Surgical Times in Total Knee Arthroplasty for Obese Patients-A Comparative Study between High- and Nonhigh-Volume Surgeons. AB - Obesity has a negative influence on surgical times in total knee arthroplasty (TKA). Our purpose in this multicenter study was to compare surgical times between high- (HV) and nonhigh-volume (NHV) surgeons and clarify the important factors affecting longer surgical times in primary TKA for obese patients. A total of 798 knees, average age 75.1 years, were enrolled. All TKAs were done using the same measured resection technique by 25 surgeons at 12 facilities and were divided into three groups based on body mass index (kg/m2) of the patients (Group A: <24.9, Group B: 25-29.9, Group C: >=30). Operative techniques including four surgical steps (surgical exposure, bone cutting, trial and fixation of the permanent component, and wound closure) were evaluated both in HV and NHV surgeons. In classifying surgeon volume, HV surgeons had performed >100 TKAs annually for many years, and other surgeons who had performed <100 TKAs annually were defined as NHV surgeons. Patient demographics, surgical details, and surgical times in each phase were compared using nonrepeated measures of analysis of variance and a post hoc Student-Newman-Keuls test. A total of 331, 327, 140 TKAs were allocated to Groups A, B, C, respectively. Regarding patient demographics, patients in Group C were younger and had the worst ranges of motion. The longest surgical time was observed in Group C of NHV surgeons (p < 0.05). Concerning each surgical phase, surgeons took much more time in surgical exposure and fixation of the permanent component for obese patients in NHV surgeons (p < 0.05). Our results suggest that younger age and lower range of motion were observed in obese patients, which led to longer surgical times. In addition, NHV surgeons took much time in surgical exposure and fixation of the permanent component for obese patients, while surgical time was similar among groups for HV surgeons. PMID- 29216674 TI - Radiographic Morphology and Method for Localization of the Adductor Tubercle on Anterior-Posterior Knee Radiographs. AB - The adductor tubercle (AT) is a landmark for joint line identification in knee arthroplasty. Up to now, there has not been a dedicated study to define its morphology on an anterior-posterior (AP) radiograph. As a result, radiographic localization of the AT has been inconsistent and confusing. Ten bone specimens, each with the AT labeled with a metal marker, were radiographed to demonstrate the AT appearance on AP radiographs. Based on this knowledge, a method to locate the AT was developed. A total of 200 clinical radiographs were examined to further confirm the observed radiographic morphology with emphasis on the visibility of the AT and its association with the rotational status of the knee on radiographs. One hundred of them were used to test the reliability of this method of AT identification. Of the 200 ATs, 153 (76%) were clearly visible on radiographs as a faint pyramid-shaped shadow protruding outward from the inflexion point of the concave-convex silhouette over the femoral shaft-condylar junction, allowing direct identification. For invisible ATs (24%), this inflexion point was found to be a useful surrogate landmark for their identification. Locating the AT using this technique showed a good intra- and interobserver reliabilities. The proposed method may be valuable for the consistent use of this landmark in joint line identification on radiographs. PMID- 29216675 TI - Validation of a New Web-Based System for Point-of-Care Implant Documentation in Total Knee Arthroplasty. AB - Implant documentation in total knee arthroplasty (TKA) must be both accurate and comprehensive. A new system enables surgeons to complete a secure, web-based operative report for each surgery. This study evaluated implant documentation using this system and hypothesized that it would be as reliable as the current standard. This was a retrospective study of all primary and revision TKA performed at a single academic institution from January 1, 2015 to March 31, 2015, by eight adult reconstruction surgeons who used the web-based system. Electronic medical records and implant logbooks were chosen as a composite standard reference for implant documentation. Cohen's kappa statistic and Pearson's correlation coefficients were used to determine agreement between the system and the standard reference. Mean kappa value for entire system was 0.916 +/- 0.152 (p = 0.015) indicating "almost perfect" agreement (as per Landis and Koch's method) with standard reference. Pearson's correlation coefficient was 0.926 +/- 0.147 (p = 0.021) further corroborating this excellent agreement. There was "substantial" or "fair" agreement for items pertaining to cement and augments. Overall, sensitivity was 0.98 (95% confidence interval: 0.71-0.98) and specificity 0.93 (95% confidence interval: 0.53-0.98) indicating that the system was very effective at documenting whether or not an implant was placed. The system exhibited significantly greater sensitivity than specificity (p = 0.027). This study demonstrated excellent performance of this novel system in point-of care TKA implant documentation. Further research is needed to validate its use in arthroplasty of other joints and its potential for documentation of biomedical device implantation in other fields such as cardiothoracic surgery and gastroenterology. PMID- 29216676 TI - Effect of Obesity on Total Knee Arthroplasty Costs and Revision Rate. AB - An increasing number of total knee arthroplasties (TKAs) are performed on obese patients. It is imperative to remain up to date on the effect of obesity on surgical outcomes and reimbursement trends. The purpose of this study was to evaluate the impact different severities of obesity have on primary and revision TKA, specifically: (1) incidence and trends over time; (2) annual growth rate; and (3) admission costs from 2010 to 2014. A retrospective review of a large commercial private payer database within the PearlDiver Supercomputer application (Warsaw, IN) of TKA procedures was conducted. Patients who underwent TKA and subsequent revision were identified by Current Procedural Terminology (CPT) and ninth revision International Classification of Disease (ICD-9) codes. The index procedure was linked with ICD-9 codes for body mass indexes (BMIs) from <19 to >70. Statistical analysis was primarily descriptive to demonstrate the revision incidence and reimbursement deviations due to BMI. Compound annual growth rate (CAGR) was also calculated. Our query returned a total of 87,607 TKA patients within the study BMI ranges. The majority of patients had a BMI of 40 to 44.9 (12.2%) and least in the BMI >70 (0.2%) range. BMI of 40 to 44.9 had the highest overall 5-year mean reimbursement of $11,521 and the highest overall mean 5-year deviation from normal BMI (19-24) patients of $3,300. The incidence and burden of TKA revision was highest in patients with a BMI of 60 to 69.9 (21 and 17.3%, respectively). Average 5-year revision reimbursement and deviation from normal BMI (19-24) was highest in patients with a BMI of 40 to 44.9 ($13,883 and $4,030, respectively). The number of obese patients receiving TKA is steadily rising. The cost of treating obese patients rises as BMI deviates from normal, as does the incidence of revision surgery. Therefore, surgeons must be active in counseling patients on weight optimization as part of preoperative standard of care. PMID- 29216677 TI - Impact of Clinical Presentation on Imaging Evaluation to Direct Effective Treatment Strategies. AB - A multitude of musculoskeletal disorders of the knee are commonly encountered in clinical practice. Ensuring an accurate diagnosis can be challenging. It is critical to establish a thoughtful and systematic approach to assessing the patient using history and physical exam followed by appropriate imaging studies. The physical exam may be complicated due to various test maneuvers designed to help make the diagnosis. It is also important to understand the limitations of each physical exam maneuver. When appropriate, imaging is obtained to help make the diagnosis and guide treatment. There are various imaging examinations to choose from when evaluating the knee, including X-rays, computed tomography, magnetic resonance imaging, and ultrasound. An algorithmic approach to choosing the best imaging study is often helpful to avoid unnecessary costs and burden to the patients. The combination of a thorough clinical assessment and appropriate imaging examinations will result in accurate diagnosis, which directs proper treatment. PMID- 29216678 TI - [Guideline for the Diagnosis and Treatment of Asthma - Guideline of the German Respiratory Society and the German Atemwegsliga in Cooperation with the Paediatric Respiratory Society and the Austrian Society of Pneumology]. AB - The present guideline is a new version and an update of the guideline for the diagnosis and treatment of asthma, which replaces the previous version for german speaking countries from the year 2006. The wealth of new data on the pathophysiology and the phenotypes of asthma, and the expanded spectrum of diagnostic and therapeutic options necessitated a new version and an update. This guideline presents the current, evidence-based recommendations for the diagnosis and treatment of asthma, for children and adolescents as well as for adults with asthma. PMID- 29216679 TI - The role of extracorporeal membrane oxygenator therapy in the setting of Type A aortic dissection. AB - BACKGROUND AND AIM: Patients presenting with type A aortic dissection (TAAD) present with a wide clinical spectrum ranging from hemodynamic stability to multiorgan malperfusion with cardiovascular collapse. Extracorporeal membrane oxygenator (ECMO) therapy is increasingly being utilized as salvage therapy in patients with acute cardiopulmonary failure and for post-cardiotomy shock. We sought to determine the utility of ECMO implementation post-TAAD repair. METHODS: The Pennsylvania Health Care Cost Containment Council (PHC4) database, maintained by an independently functioning state agency, was retrospectively reviewed from 2004 to 2014. Patients with a primary diagnosis of aortic dissection requiring ECMO support during the same hospital visit were included in the analysis. RESULTS: Thirty-nine patients were identified with diagnosis/procedure codes for TAAD repair and ECMO, of which four patients did not undergo TAAD repair. Of the remaining 35, 31 patients underwent open repair, and four patients underwent TEVAR. ECMO was instituted on the same day of TAAD surgery in 27 (69.2%) patients, and on post-operative day >1 in eight (20.5%) patients. Overall mortality in patients who were on ECMO the same day was 88.9% and 87.5% when it was done after the first post-operative day. All four patients with TAAD who underwent ECMO only died. Median time from ECMO implantation to death was 1.0 day. CONCLUSIONS: Requirement for ECMO support in acute aortic dissection is associated with extremely high mortality irrespective of when the intervention is performed. PMID- 29216680 TI - How to do liver transplantation using renoportal bypass. PMID- 29216681 TI - An unfortunate soul: a rare presentation of an uncommon pathology for upper gastrointestinal bleeding. PMID- 29216682 TI - Simultaneous determination and validation of emtricitabine, rilpivirine and tenofovir from biological samples using LC and CE methods. AB - A combination of antiretroviral agents is frequently used in effective treatment of the human immunodeficiency virus infection. In this study, two different separation methods are presented for the simultaneous determination of emtricitabine, rilpivirine and tenofovir from raw materials and urine samples. Developed liquid chromatography and capillary electrophoresis methods were thoroughly optimized for high analytical performances. Optimization of multiple variables at the same time by performing a minimum number of experiments was achieved by the Box-Behnken design, which is an experimental design in response surface methodology, in capillary electrophoresis. The results of the experimental design ensure minimum analysis time with well-separated analytes. Separation conditions, such as different stationary phases, pH level, organic modifiers and temperatures in liquid chromatography method, were also optimized. In particular, among stationary phases, the core-shell column especially enhanced the effectiveness of separation in liquid chromatography. Both methods were fully validated and applied to real samples. The main advantage of the developed methods is the separation of the drug combination in a short time with high efficiency and without any time-consuming steps. PMID- 29216683 TI - Human perforin gene variation is geographically distributed. AB - BACKGROUND: Deleterious mutations in PRF1 result in lethal, childhood disease, familial hemophagocytic lymphohistiocytosis type 2 (FHL 2). However, not all mutations in PRF1 are deleterious and result in FHL 2. Currently, these nondeleterious mutations are being investigated in the onset of numerous disorders, such as lymphomas and diabetes. Yet, there is still an overwhelmingly large amount of PRF1 mutations that are not associated with disease. METHODS: We conducted a post hoc analysis of the PRF1 mutations in the coding region using the recently published Exome Aggregation Consortium genomes, Leiden Open Variation Database, NCBI SNP database, and primary literature to better understand PRF1 variation in the human population. RESULTS: This study catalogs 460 PRF1 mutations in the coding region, and demonstrates PRF1 is more variant then previously predicted. We identify key PRF1 mutations with high allelic frequency and are only found in certain populations. Additionally, we define PRF1 SNVs are geographically distributed. CONCLUSIONS: This study concludes with a novel hypothesis that nondeleterious mutation in PRF1, which decreases perforin expression and/or activity, may be an example of selective advantage in the context of environmental stressors prevalent near the equator. Our studies illustrate how perforin deficiency can be protective from injuries resulting in blood-brain barrier (BBB) disruption. PMID- 29216684 TI - The impact of Corynebacterium glucuronolyticum on semen parameters: a prospective pre-post-treatment study. AB - Corynebacterium glucuronolyticum (C. glucuronolyticum) is a rare isolate that is only recently being acknowledged as a potential urogenital pathogen. The bibliographical references on this bacterial species are scarce, and its influence on all semen parameters was hitherto unknown - therefore, the aim of this study was to evaluate its effects on a range of sperm quality parameters. A prospective approach to compare semen parameters before and after treatment was used in this study. C. glucuronolyticum in semen specimens was identified using analytical profile index biotyping system (API Coryne) and additionally confirmed by matrix-assisted laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS), with the determination of antimicrobial susceptibility by Kirby Bauer method. Semen analysis was performed according to the criteria from the World Health Organization (with the use of Tygerberg method of sperm morphology categorization). Very strict inclusion criteria for participants also included detailed medical history and urological evaluation. From a total of 2169 screened semen specimens, the inclusion rate for participants with C. glucuronolyticum that satisfied all the criteria was 1.01%. Antibiogram-guided treatment of the infection with ensuing microbiological clearance has shown that the resolution of the infection correlates with statistically significant improvement in the vitality of spermatozoa, but also with a lower number of neck and mid-piece defects. Parameters such as sperm count, motility and normal morphology were not affected. In addition, susceptibility testing revealed a trend towards ciprofloxacin resistance, which is something that should be considered when selecting an optimal treatment approach. Albeit it is rarely encountered as a monoisolate in significant quantities, C. glucuronolyticum may negatively influence certain sperm parameters; therefore, it has to be taken into account in the microbiological analysis of urogenital samples. PMID- 29216685 TI - Patient compliance with surveillance colonoscopy: patient factors and the use of a graded recall system. AB - BACKGROUND: Surveillance colonoscopy allows for the early detection and improved treatment outcomes in colorectal neoplasms but compliance rates and factors require further investigation. METHODS: This is a retrospective cohort study examining 816 patients recalled for surveillance colonoscopy at an Australian colorectal practice over a 6-month period. Primary outcome was compliance with colonoscopy within 12 months of recall. The secondary outcome of this study was to identify factors affecting compliance including patient factors and the practices' graded recall system. RESULTS: A total of 715 patients (87.6%) were compliant with recall requests for repeat colonoscopy. Significantly higher compliance rates were noted with a personal history of adenomatous polyps (90.9% versus 85.6%, P = 0.025). Those with private insurance or Department of Veterans Affairs were more likely to be compliant than those publicly funded (89.0% versus 93.3% versus 79.0%, P = 0.007). No statistically significant difference in compliance was shown with a personal history of colorectal cancer, diverticular disease, perianal disease, National Health and Medical Research Council risk category, gender, time associated with the practice or the clinician. There was a significant positive correlation between the number of letters sent and compliance with recall, with 61.8% being compliant after a single letter, and a final cumulative compliance after five letters of 87.6% (R = 0.882, P = 0.048). CONCLUSION: A graded recall system can achieve compliance rates as high as 87.6% compared to a single letter only achieving 61.8% compliance. A history of adenomatous polyps and insurance status were the only factors shown to result in higher recall compliance. PMID- 29216687 TI - Editorial Comment to High neutrophil-to-lymphocyte ratio predicts worse overall survival in patients with advanced/metastatic urothelial bladder cancer. PMID- 29216688 TI - Symptomatic cardiac hemangioma resected on the first day of life. AB - Cardiac tumors are extremely rare in neonates. We describe the case of a right atrial hemangioma in a neonate diagnosed prenatally and successfully operated on the first day of life. PMID- 29216686 TI - Congenital bilateral absence of the vas deferens as an atypical form of cystic fibrosis: reproductive implications and genetic counseling. AB - Congenital bilateral absence of the vas deferens (CBAVD) is found in 1% to 2% of males with infertility and is present in 6% of obstructive azoospermia cases. Nearly 95% of men with cystic fibrosis (CF, an autosomal recessive disorder) have CBAVD. There are genetic links between CBAVD and CF. Some mutations in the gene encoding cystic fibrosis transmembrane conductance regulator (CFTR) can lead to CBAVD as a monosymptomatic form of CF. With the use of assisted reproductive techniques (ART), especially testicular or epididymal sperm aspiration, intracytoplasmic sperm injection, and in vitro fertilization, it is possible that men with CBAVD can produce offspring. Therefore, genetic counseling should be offered to couples undergoing ART to discuss the probability of having offspring that carry CFTR gene mutations. The aim of this review was to present the main cause of CBAVD, to call attention to its implications for assisted reproduction, and to show the importance of genetic counseling for couples where men have CBAVD, as they can have offspring with a lethal disease. PMID- 29216689 TI - [Doxycycline as an adjuvant in postsurgical recovery of rotator cuff injuries. One-year follow-up]. AB - BACKGROUND: The severity and progression of rotator cuff tears have forced research on new treatment pathways such as metalloprotease inhibition, which has shown a reduction in healing time and improvement in the structure of collagen fibers. OBJECTIVE: To evaluate the use of doxycycline as a healing enhancer in rotator cuff tears after surgical treatment. MATERIAL AND METHODS: 20 patients were included; they were divided into two groups, 10 with the use of doxycycline and 10 without it after arthroscopic repair with one-year follow-up. Doxycycline was given orally, 100 mg once a day for one month. Every subject in the test was diagnosed with rotator cuff tear confirmed by MRI with Patte and Goutallier scores below 2. We used the arthroscopic double row technique. Post-op follow-up was 12 months with clinical scales (UCLA, Constant and forward flexion strength). RESULTS: Both groups reported almost complete healing of rotator cuff tears after surgical treatment during the twelve months of follow-up; forward flexion strength was the only score that reported improvement in the doxycycline group during every check-up. DISCUSSION: Doxycycline use after arthroscopic cuff tear repair could improve the clinical outcome, but we do not know how yet; however larger sample and randomized trials should be developed. PMID- 29216690 TI - [Osteochondromas: introducing the subungual osteochondroma]. AB - INTRODUCTION: Subungual osteochondromas are benign tumors of the sub- or periungual region, causing lifting, ulceration and deformity at that level. OBJECTIVE: To research the incidence of subungual osteochondromas in a specific pediatric population. MATERIAL AND METHODS: Retrospective, transversal, descriptive and observational study based on the review of records with a histopathological result of osteochondroma from 2001 to 2014. RESULTS: The pathological assessment featured four osteochondromas that corresponded to the subungual presentation, with an equal gender distribution of 1:1, an average age of 9.5 years, right: left ratio of 3:1; the 4th finger was the most affected. DISCUSSION: Subungual osteochondroma has an incidence of 8.5% of all osteochondromas. PMID- 29216691 TI - Lumbar fusion with collagen type I and polyvinylpyrrolidone in combination with autograft. An experimental study in New Zealand rabbits. AB - INTRODUCTION: Multiple strategies have been developed looking for upgrading the consolidation rate of spine arthrodesis with autolog bone graft, but no evidence exists that adhesion with Collagen type 1 and polyvinylpyrrolidone (FibroquelMR) have application on this field. OBJECTIVE: Determine if collagen type 1 + Polyvinylpyrrolidone are effective as bone enhancer in posterolateral arthrodesis on rabbits. METHOD: Posterolateral arthrodesis in 15 New Zealand rabbits on level L5-L6 using autolog bone graft in left side (control group) and autolog bone graft + 1 ml FibroquelMR (study group) in right side of arthrodesis. Euthanasia and block resection of lumbar segment eight weeks post surgery. Radiographic analysis, manual exploration and light microscopy of fussed segments. RESULTS: Radiographic consolidation was observed in 80% in control group and 95% in study group, interleaved trabecular pattern with bone continuity and normal characteristics in 12 left sides and 14 right sides. CONCLUSION: Collagen type 1 and polyvinylpyrrolidone use is likely to have positive effect in bone consolidation process, therefore it can be recommended to use it as a bone enhancer. PMID- 29216692 TI - [Clinical and radiographic evaluation of a new percutaneous technique for moderate to severe hallux valgus deformity]. AB - : Hallux valgus is considered the most common musculoskeletal deformity, with a prevalence of 88%. There are more than 130 surgical techniques for its treatment; currently, percutaneous ones are popular; however, they do not take into account the metatarsal-phalangeal correction angle. The aim of this study is to propose a modified technique for the correction of the percutaneous metatarsal-phalangeal and inter-metatarsal angles and to evaluate its clinical and radiological results. MATERIAL AND METHODS: An experimental, prospective and longitudinal study in 10 patients with moderate to severe hallux valgus according to the classification of Coughlin and Mann were collected; the results were evaluated with the AOFAS scale at 15, 30, 60 and 90 days. The McBride technique and the technique of percutaneous anchor with the proposed amendment were performed. RESULTS: The AOFAS scale was applied as described, finding a progressive increase of the rating; the average correction of the inter-metatarsal angle was 8.8 degrees and of the metatarsal-phalangeal, 9.12. DISCUSSION: The modified technique of percutaneous anchor showed clear clinical and radiographic improvements in the short term. Our modified technique is proposed for future projects, including a large sample with long-term follow-up. PMID- 29216693 TI - A comparative study in patients with fractures of the lower limbs between rivaroxaban versus enoxaparin and its impact on bone healing time. AB - BACKGROUND: Each year it is estimated in the United States an approximate of 8 million fractures; 5 to 10% develop delayed union or absence of periosteal new bone. There are several factors that can cause delay in fracture healing, among the well known, is the use of prophylactic antithrombotic therapy for deep vein thrombosis (DVT). DVT appears in 40 to 60% of the patients undergoing orthopedic surgery without prophylactic antithrombotic therapy. The goal of this study was to assess whether there is a difference in time of bone healing in lower limb fractures (femur and tibia) comparing rivaroxaban to enoxaparin as the prophylactic antithrombotic management. MATERIAL AND METHODS: We present a retrospective observational and analytic study in a sample of cases. It is a cross-sectional study with patient data from the database of the American British Cowdray (ABC) Medical Center. We included patients with femur and tibia fractures under antithrombotic prophylactic management with rivaroxaban or enoxaparin during the period of January 2011 to December 2012. Our sample included 32 patients separated into two groups. Students t-test was used for comparing parametric variables and the Mann-Whitney U test for nonparametric variables. Linear regression model was preformed considering the variables related to the time it took the fracture to heal. RESULTS: All fractures consolidated in a time of 13 and 14 weeks for rivaroxaban and enoxaparin respectively (p = 0.67). DISCUSSION: We found no difference in bone healing time for lower limb fractures in patients receiving antithrombotic prophylaxis treatment comparing rivaroxaban with enoxaparin. PMID- 29216694 TI - [Evidence level and grade of recommendation of the Ponseti method for arthrogryposis-related syndromic talipes equinovarus and Moebius syndrome: a systematic review]. AB - BACKGROUND: Adduct congenital talipes equinovarus (CTE) or clubfoot is a common musculoskeletal malformation affecting between 1 and 4.5 out of every 1000 live births. It is usually associated with arthrogryposis and Moebius syndrome with the latter two being more difficult to treat as they require aggressive surgery to achieve a plantigrade foot. We therefore ask what is the evidence level and grade of recommendation of the Ponseti method to treat syndromic talipes equinovarus resulting from arthrogryposis and Moebius syndrome. METHODS: Systematic review according to the recommendations of the Cochrane group identifying medical subheadings (MeSH) and of the Boolean method to identify the articles that met the selection criteria through the search of primary sources such as OVID, Cochrane, EBSCOhost, Elsevier, Medigraphic. RESULTS: A total of six papers met the selection criteria through the search in the primary sources. Five of them address the treatment of adduct CTE with the Ponseti method in patients with arthrogryposis, and one in patients with Moebius. Evidence levels and grades of recommendation of these papers were: IV-D (3), III-D (1) y II (B). CONCLUSIONS: The Ponseti method is an first-line treatment for arthrogryposis and Moebius syndrome. It is unexpensive, non-invasive and does not require a physician to perform it (however, it does require trained staff). Its use is recommended as it avoids extensive surgeries and medical complications that go beyond the hospitals economic possibilities. PMID- 29216695 TI - [Factor associated in the failure of the ostheosyntesis of transtrocantheric fractures]. AB - : Pertrochanteric fractures account approximately a half of the proximal femoral fractures. Incidence of these fractures is highest in women, age > 65 years and presents a mortality rate of 14 to 50%. Treatment goals include stable fixation, immediate mobilization and restore activities. Complications after treatment present in 17% and include: nonunion, cut out and varus displacement. OBJECTIVE: Correlation between complications after surgical treatment and presence of instability, inadequate reduction, Tip Apex Index (TAI) > 25 mm, Tip Apex Index to calcar (TAIcal) > 20 mm and parker index. MATERIAL AND METHODS: A case control study was conducted in patients with pertrochanteric fractures treated between January 2009 and December 2014, 91 patients were included and complications were measured up to 6 months after surgery. RESULTS: 27 patients were included in group 1, which were the ones who presented complications. Values of TAI measured in this group were 13.7 to 45 mm, and were significantly higher than group 2. Position of the blade/screw central in the lateral view and inferior in the AP view didn't present complications. CONCLUSIONS: We found 27 patients with complications in the follow up (29%). Initial reduction and stability is determinant to success. We recommend the use of proximal femoral nail in all unstable fractures. It is confirmed that TAI > 25 mm as a predictor of failure. PMID- 29216696 TI - [Undetected traumatic posterior glenohumeral dislocation]. AB - INTRODUCTION: Glenohumeral dislocation (GHD) is frequent, but traumatic posterior glenohumeral dislocation (TPGHD) is rare, with an incidence of 1-4% of all GHD. The diagnosis is a challenge: sometimes, it can be omitted due to incorrect diagnosis, absence of consideration in the differential diagnosis, suboptimal radiographic evaluation and an absence of characteristic signs and symptoms; missed diagnosis reaches 60-79% and the diagnosis can delay from 24 hours to a year. OBJECTIVE: To transmit previous experiences to provide support for better diagnosing TPGHD, favoring appropriate attention. CASE REPORTS: Case 1. 34-year old male. Delayed diagnosis of left TPGHD in the 4th week. Reverse Hill-Sachs < 25%. Closed reduction, immobilization for four weeks. Follow-up at week 20, good functional recovery (UCLA = 32). Case 2. 32-year-old male. Eight months with undiagnosed left TPGHD. Reverse Hill-Sachs 25%. Open reduction, immobilization for four weeks. Eight-month post-surgical follow-up. Good functional recovery (UCLA = 29). DISCUSSION: The diagnosis of TPGHD is difficult because of its lack of frequency. Even with delayed diagnosis-treatment, evolution can be favorable provided that the reverse Hill-Sachs injury is 25% or minor. To avoid a delayed diagnosis and inadequate attention, we must always consider the injury mechanism, physical examination with the arm fixed in internal rotation, clinical suspicion in functional deficit for external rotation, flexion and abduction, radiographic studies including true AP and scapula lateral (Y view). PMID- 29216697 TI - [Case report: total hip replacement in osteogenesis imperfecta]. AB - We study, apropos of a case, a total hip arthroplasty in a patient with osteogenesis imperfecta. The characteristics of this disease, such as high risk of fracture and the presence of deformities, make this surgery a challenge for the orthopedic surgeon. In this manuscript, we review for the first time in this indication the preoperative planning and the selection of implants, with special emphasis on measures for the prevention of complications. PMID- 29216698 TI - [Why English?] AB - No Abstract available. PMID- 29216699 TI - [Diagnostic value of a predictive model for complete ruptures of the rotator cuff associated to subacromial impingement]. AB - : Pathology related to the rotator cuff remains among the most prevalent musculoskeletal diseases. There is an increasing need for imaging studies (MRI, US, arthroscopy) to test the diagnostic performance of the medical history and physical examination. OBJECTIVE: To prove the diagnostic value of a clinical radiographic predictive model to find complete ruptures of the rotator cuff. MATERIAL AND METHODS: Descriptive, observational, prospective, transversal and analytical study. Fifty-five patients with preoperative shoulder pain were evaluated with 13 predictive variables: age > 50 years, nocturnal pain, muscle weakness, clinical signs of Neer, Hawkins, Jobe, external rotation lag (ERLS), belly-press, bear hug, and lift-off, radiographic measurement of subacromial space, acromial index and critical shoulder angle. Sensitivity, specificity, and positive and negative predictive values were measured in each variable, comparing the results of each one against the postoperative findings. RESULTS: Of the 55 patients evaluated, 42 had a complete rupture of the rotator cuff in the postoperative period. The eight variables with a higher diagnostic value were selected and a ROC curve was performed, providing an area under the curve of 0.88. CONCLUSIONS: This predictive model uses eight variables (age > 50 years, nocturnal pain, muscle weakness, Jobe, Hawkins, ERLS, subacromial space <= 6 mm, and critical shoulder angle > 35 degrees ), which together add the predictive value of 0.88 (AUC) to diagnose complete ruptures of the supraspinatus tendon. PMID- 29216700 TI - [Assessment of pain, function and complications after minimelly invasive decompression of morton's neuroma using a dorsal approach in 16 patients]. AB - BACKGROUND: The purpose of this paper is to assess pain, function and complications after decompression of Mortons neuroma using a minimally invasive dorsal approach. METHOD AND RESULTS: 16 patients who underwent 19 decompressions were followed-up for 18 months. Pain was assessed with the visual analog scale (VAS), and function was assessed with the American Orthopedic Foot and Ankle Society (AOFAS) scale. Data was analyzed with the Student t test for related samples, which yielded a p value 0.05. The possible postoperative complications assessed were: skin problems, infections, wound dehiscence, delayed bone healing and recurrence. CONCLUSION: Minimally invasive decompression of Mortons neuroma is a procedure that provides pain relief and improvement in function, with a low complication rate. PMID- 29216701 TI - [A cadaveric study of a new capsulorrhaphy for the surgical treatment of hallux valgus]. AB - BACKGROUND: There are many surgical options for the treatment of hallux valgus in combination with capsular repairs for the correction of hallux valgus. MATERIAL AND METHODS: This report corresponds to a descriptive study where a new capsulorrhaphy technique in hallux valgus is proposed. Six dissections were performed on cadavers with hallux valgus deformity using the following surgical technique: medial approach on the first toe longitudinally, dissecting by planes and locating the metatarsophalangeal joint capsule; it was incised longitudinally. The capsule was separated and an exostectomy of the first metatarsal head was done, the edges were regularized and a release of the abductor hallucis was performed. Later, the capsular remnant was resected and repaired. RESULTS: Six cadaveric feet with hallux valgus were studied, five with mild deformity, one with moderate deformity, one foot with the 2nd finger on supraductus. DISCUSSION: Many capsular repairs have been reported in the literature, including "L", triangular, "V-Y", rectangular, with satisfactory results, along with osteotomy of the first metatarsal. In this report, a new capsular repair was described. CONCLUSION: Applying this new capsular repair, we reduced the metatarsophalangeal and intermetatarsal angles and achieved a capsular closure with suitable tension; the metatarsophalangeal joint mobility was preserved. PMID- 29216702 TI - [Sonographic evaluation of Achilles tendon healing in tenotomies for congenital clubfoot and Ponsetis treatment. A 12-week follow-up]. AB - OBJECTIVE: The aim of this study was to determine the healing time of Achilles tendon in pediatric patients treated with Achilles tenotomy with the Ponseti method in Shriners Childrens Hospital of Mexico, AC. MATERIAL AND METHODS: Experimental, analytical, prospective, longitudinal study of patients with a diagnosis of idiopathic congenital clubfoot treated with the Ponseti method with serial static and dynamic evaluation by ultrasound in real time with a Siemens Diagnostic Ultrasound System Sonoline 650, linear transducer 10.5 MHz of Achilles tendon before tenotomy and at three, six, nine and 12 weeks after the surgical treatment. RESULTS: A sample of 23 patients, 16 male and seven female, 16 with unilateral and seven with bilateral pathology was obtained, for a total of 39 feet, 18 right and 21 left, with a mean age of 8.3 +/- 2.3 months. Before tenotomy, the width was 2.7 +/- 0.42 mm; in week three, the average was 3 +/- 0.39 mm; at six weeks, 2.92 +/- 0.36 mm; ultrasound at nine weeks reported an average of 0.38 +/- 2.84 mm, and 2.82 +/- 0.39 mm at twelve weeks. They were compared using Students t presurgical width and at twelve weeks, without finding difference p 0.03. CONCLUSIONS: Although there is integrity at three weeks after Achilles tenotomy, complete repair is achieved at 12 weeks. PMID- 29216703 TI - [Effect of sports training in angular compartment of the lower limbs in children footballers aged 11 to 12 years old]. AB - Anterior Cruciate Ligament (ACL) injury is an important cause of days lost in athletes. Most ACL injuries are non-contact and are associated with biomechanical risk factors that increase tension in the ACL: increased knee valgus (KV) and hip flexion (HF) and decreased flexion of knee (KF). Muscle around the knee contributes to knee stability, so fatigue produced by exercise could alter knee balance, increasing LCA tension. The aim of the study is to determine the angular behavior before and after a physical load for CF, RR and RV in children born in 2002-2003. A non-randomized clinical trial was conducted. The sample consisted of 50 students from soccer schools born between 2002 and 2003. The angular behavior of CF, RR and VR was compared, before and after performing standardized training. The angular behavior was measured by performing the DJ test with data obtained by inertial sensors. After exercise, the 3 variables increased, but only HF reached significant difference. Other important finding was the difference found in KV between the dominant leg and the support limb, at both times: rest and post exercise. It was concluded that the angular behavior of CF increases significantly in both limbs post-exercise and that preventive measures should be applied for the management of valgus in the supporting limb. PMID- 29216704 TI - [Prevalence of X-ray signs of femoroacetabular impingement in Mexican population]. AB - BACKGROUND: Femoroacetabular impingement (FAI) is a suggested diagnosis for pain in the hip in the absence of other apparent causes. It is thought to be a cause of progressive arthrosis of the hip. Our objective was to determine the prevalence of radiographic data of FAI in the adult population without hip pathology over a period of six months. MATERIAL AND METHODS: Analytical, observational, multicentric, ambispective and transverse study based on digital X rays analysis. Measurements of the lateral center-edge angle of Wiberg, acetabular inclination, Tonnis angle and the neck shaft angle of the proximal femur were made; a pistol grip deformity of the femoral head, the triangular index and the shape of the coxofemoral joint were also evaluated. RESULTS: From a total of 212 hips evaluated, 104 were in males and 108 in females, with an average age of 42.81 years; 21 had a pistol grip deformity and a positive triangular index for cam type. The pincer type was found in 12 hips. DISCUSSION: In this multicentric study, the FAI cam type predominated in men on the right side; the pincer type predominated in women on the left side; this is similar to what has been reported in other populations. This study is limited by the wide variation in the femoral rotation; as an advantage, it was randomly carried out and provides some data on the prevalence of deformities of the hip, not previously registered. PMID- 29216705 TI - [Functional results of open wedge osteotomies in lower limb angular deformities in teenagers]. AB - OBJECTIVE: The aim of this study was to evaluate the functional and radiographic results of adolescent patients with angular deformities of the pelvic limbs treated with an open wedge osteotomy system. MATERIAL AND METHODS: Observational, prospective, analytical and cross-sectional study of patients with angular deformity of the pelvic limbs treated with an open wedge osteotomy. We made a radiographic evaluation of the femorotibial angle, MAD angle, lower limb discrepancy, and pre- and postoperative degrees of the rotational center of deformity (CORA), as well as a telephone survey of the postoperative functional evaluation IKDC 2000. RESULTS: It was a sample of 28 patients, 21 female and seven male, with a mean age of 15.3 years. Their diagnoses: idiopathic genu valgo, 10 cases; Blount disease, four; benign tumors (enchondromatosis and osteochondromatosis), three; hypophosphatemic rickets; three, among others, such as sequelae of septic arthritis of the knee, femoral hypoplasia, and fracture sequels. It was a total of 29 osteotomies, 17 of the tibia and 12 of the femur; 17 osteotomies presented deviation to lateral of the mechanical axis, and 11, medial deviation, with a mean femorotibial angle of 17 and 7.35 (p 0.03), respectively. The mean initial discrepancy had an improvement of 0.5 cm. Postoperative IKDC in the subjective evaluation had an average of 95.3 points. CONCLUSIONS: The fixation of osteotomies with open wedge plates is an option with good clinical and radiographic results. PMID- 29216706 TI - [Intraarticular lesions associated with tibial fixation during anterior cruciate ligament reconstruction]. AB - Anterior cruciate ligament reconstruction is a demanding procedure; complications may arise at any of its stages. This is the report of three cases in which the tibial fixation devices (IntraFix and Bio-IntraFix) led to intraarticular lesions. The complications were detected in one of the cases while the patient was still in the operating room and in the remaining two during the follow-up. All the patients had a stable knee, but all of them sustained chondral lesions resulting from the inadequate placement of the implants used for tibial fixation. Several suggestions to avoid the complications stemming from these devices are provided. PMID- 29216707 TI - [Femur fracture in a patient with dog-leg deformity secondary to arthrogryposis. Description of a unique osteosynthesis method]. AB - The concept of arthrogryposis encompasses several conditions that share the presence of multiple congenital contractures. The knee is frequently involved and is an important cause of morbidity in these patients. Flexion contractures of the knee are the most common ones and have a worse prognosis than extension contractures. Different approaches are available to treat flexion contractures of the knee. Distal femoral extension osteotomy effectively corrects fixed flexion, but may lead to residual deformity. This iatrogenic deformity disrupts the anterior convexity of the femoral shaft and leads to serious problems in the subsequent management of orthopedic conditions. This is a case report of a patient with arthrogryposis and a femur deformity who sustained a supracondylar fracture. Managing the fracture was challenging due to a disruption in the normal architecture of the femur. This is a description of the osteosynthesis approach used to treat the fracture and the patients pre-existing deformity. PMID- 29216708 TI - [Letter to the Editor]. AB - No Abstract available. PMID- 29216709 TI - Effect of Adjuvant Chemotherapy on Stage II Colon Cancer: Analysis of Korean National Data. AB - PURPOSE: Debates exist regarding the effectiveness of adjuvant chemotherapy for stage II colon cancer. This study aimed to investigate the current status of adjuvant chemotherapy and its impact on survival for Korean stage II colon cancer patients by analyzing the National Quality Assessment data. Materials and Methods: A total of 7,880 patientswho underwent curative resection for stage II colon adenocarcinoma between January 2011 andDecember 2014 in Koreawere selected randomly as evaluation subjects for the quality assessment. The factors that influenced overall survival were identified. The high-risk group was defined as having at least one of the following: perforation/ obstruction, lymph node harvest less than 12, lymphovascular/perineural invasion, positive resection margin, poor differentiation, or pathologic T4 stage. RESULTS: The median follow up period was 38 months (range, 1 to 63 months). Chemotherapy was a favorable prognostic factor for either the high- (hazard ratio [HR], 0.76; 95% confidence interval [CI], 0.38 to 0.59; p < 0.001) or low-risk group (HR, 0.74; 95% CI, 0.61 to 0.89; p=0.002) in multivariate analysis. This was also the case in patients over 70 years of age. The hazard ratio was significantly increased as the number of involved risk factors was increased in patients who didn't receive chemotherapy. Adding oxaliplatin showed no difference in survival (HR, 1.36; 95% CI, 0.91 to 2.03; p=0.132). CONCLUSION: Adjuvant chemotherapy can be recommended for stage II colon cancer patients, but the addition of oxaliplatin to the regimen must be selective. PMID- 29216711 TI - Electrocatalytic Reduction of Dioxygen to Hydrogen Peroxide by a Molecular Manganese Complex with a Bipyridine-Containing Schiff Base Ligand. AB - The synthesis and electrocatalytic reduction of dioxygen by a molecular manganese(III) complex with a tetradentate dianionic bipyridine-based ligand is reported. Electrochemical characterization indicates a Nernstian dependence on the added proton source for the reduction of Mn(III) to Mn(II). The resultant species is competent for the reduction of dioxygen to H2O2 with 81 +/- 4% Faradaic efficiency. Mechanistic studies suggest that the catalytically active species has been generated through the interaction of the added proton donor and the parent Mn complex, resulting in the protonation of a coordinated phenolate moiety following the single-electron reduction, generating a neutral species with a vacant coordination site at the metal center. As a consequence, the active catalyst has a pendent proton source in close proximity to the active site for subsequent intramolecular reactions. PMID- 29216710 TI - A Novel Prognostic Nomogram for Predicting Risks of Distant Failure in Patients with Invasive Breast Cancer Following Postoperative Adjuvant Radiotherapy. AB - PURPOSE: This study aimed to identify predictors for distant metastatic behavior and build a related prognostic nomogram in breast cancer. Materials and Methods: A total of 1,181 patients with non-metastatic breast cancer between 2003 and 2011 were analyzed. To predict the probability of distant metastasis, a nomogram was constructed based on prognostic factors identified using a Cox proportional hazards model. RESULTS: The 7-year overall survival and 5-year post-progression survival of locoregional versus distant recurrence groups were 67.6% versus 39.1% (p=0.027) and 54.2% versus 33.5% (p=0.043), respectively. Patients who developed distant metastasis showed early and late mortality risk peaks within 3 and after 5 years of follow-up, respectively, but a broad and low risk increment was observed in other patients with locoregional relapse. In multivariate analysis of distant metastasis-free interval, age (>= 45 years vs. < 45 years), molecular subtypes (luminal A vs. luminal B, human epidermal growth receptor 2, and triple negative), T category (T1 vs. T2-3 and T4), and N category (N0 vs. N1 and N2-3) were independently associated (p < 0.05 for all). Regarding the significant factors, a well-validated nomogram was established (concordance index, 0.812). The risk score level of patients with initial brain failure was higher than those of non-brain sites (p=0.029). CONCLUSION: The nomogram could be useful for predicting the individual probability of distant recurrence in breast cancer. In high-risk patients based on the risk scores, more aggressive systemic therapy and closer surveillance for metastatic failure should be considered. PMID- 29216712 TI - Synthesis of C2-Symmetric gem-Difluoromethylenated Angular Triquinanes. AB - A synthesis of symmetrical gem-difluoromethylenated angular triquinanes is described. The synthetic strategy involved sequential fluoride-catalyzed nucleophilic addition of PhSCF2SiMe3 (1) to 2,2-diallylated or 2,2 dipropargylated indane-1,3-diones 2 followed by stereoselective radical cyclization of the resulting adducts 3 to provide the cyclized gem difluoromethylenated diquinanes 4 as a mixture of stereoisomers. Repeated addition of 1 to 4 followed by cyclization resulted in the stereoselective synthesis of the desired C2-symmetric gem-difluoromethylenated angular triquinanes 6 in good yields with high stereoselectivity. PMID- 29216713 TI - Poly(2-oxazoline)-Pterostilbene Block Copolymer Nanoparticles for Dual-Anticancer Drug Delivery. AB - Functional block copolymers based on poly(2-oxazoline)s are versatile building blocks for the fabrication of dual-drug delivery nanoparticles (NPs) for anticancer chemotherapy. Core-shell NPs are fabricated from diblock copolymers featuring a long and hydrophilic poly(2-methyl-2-oxazoline) (PMOXA) block coupled to a relatively short and functionalizable poly(2-methylsuccinate-2-oxazoline) (PMestOXA) segment. The PMOXA block stabilizes the NP dispersions, whereas the PMestOXA segment is used to conjugate pterostilbene, a natural bioactive phenolic compound that is used as lipophilic model-drug and constitutes the hydrophobic core of the designed NPs. Subsequent loading of the NPs with clofazimine (CFZ), an inhibitor of the multidrug resistance pumps typically expressed in a large variety of cancer cells, provides an additional function to their formulation. Optimization of the copolymer composition allows the design of polymer scaffolds showing low toxicity and capable of assembling into highly stable NPs dispersions at physiologically relevant pH. In addition, the incorporation of CFZ increases the stability of the NPs and stimulates their internalization by RAW 264.7 cells. PMID- 29216714 TI - Fabrication of Hyperbranched Block-Statistical Copolymer-Based Prodrug with Dual Sensitivities for Controlled Release. AB - Dendrimer with hyperbranched structure and multivalent surface is regarded as one of the most promising candidates close to the ideal drug delivery systems, but the clinical translation and scale-up production of dendrimer has been hampered significantly by the synthetic difficulties. Therefore, there is considerable scope for the development of novel hyperbranched polymer that can not only address the drawbacks of dendrimer but maintain its advantages. The reversible addition-fragmentation chain transfer self-condensing vinyl polymerization (RAFT SCVP) technique has enabled facile preparation of segmented hyperbranched polymer (SHP) by using chain transfer monomer (CTM)-based double-head agent during the past decade. Meanwhile, the design and development of block-statistical copolymers has been proven in our recent studies to be a simple yet effective way to address the extracellular stability vs intracellular high delivery efficacy dilemma. To integrate the advantages of both hyperbranched and block-statistical structures, we herein reported the fabrication of hyperbranched block-statistical copolymer-based prodrug with pH and reduction dual sensitivities using RAFT-SCVP and post-polymerization click coupling. The external homo oligo(ethylene glycol methyl ether methacrylate) (OEGMA) block provides sufficient extracellularly colloidal stability for the nanocarriers by steric hindrance, and the interior OEGMA units incorporated by the statistical copolymerization promote intracellular drug release by facilitating the permeation of GSH and H+ for the cleavage of the reduction-responsive disulfide bond and pH-liable carbonate link as well as weakening the hydrophobic encapsulation of drug molecules. The delivery efficacy of the target hyperbranched block-statistical copolymer-based prodrug was evaluated in terms of in vitro drug release and cytotoxicity studies, which confirms both acidic pH and reduction-triggered drug release for inhibiting proliferation of HeLa cells. Interestingly, the simultaneous application of both acidic pH and GSH triggers promoted significantly the cleavage and release of CPT compared to the exertion of single trigger. This study thus developed a facile approach toward hyperbranched polymer-based prodrugs with high therapeutic efficacy for anticancer drug delivery. PMID- 29216715 TI - How Strong Is the Hydrogen Bond in Hybrid Perovskites? AB - Hybrid organic-inorganic perovskites represent a special class of metal-organic framework where a molecular cation is encased in an anionic cage. The molecule cage interaction influences phase stability, phase transformations, and the molecular dynamics. We examine the hydrogen bonding in four AmBX3 formate perovskites: [Am]Zn(HCOO)3, with Am+ = hydrazinium (NH2NH3+), guanidinium (C(NH2)3+), dimethylammonium (CH3)2NH2+, and azetidinium (CH2)3NH2+. We develop a scheme to quantify the strength of hydrogen bonding in these systems from first principles, which separates the electrostatic interactions between the amine (Am+) and the BX3- cage. The hydrogen-bonding strengths of formate perovskites range from 0.36 to 1.40 eV/cation (8-32 kcalmol-1). Complementary solid-state nuclear magnetic resonance spectroscopy confirms that strong hydrogen bonding hinders cation mobility. Application of the procedure to hybrid lead halide perovskites (X = Cl, Br, I, Am+ = CH3NH3+, CH(NH2)2+) shows that these compounds have significantly weaker hydrogen-bonding energies of 0.09 to 0.27 eV/cation (2 6 kcalmol-1), correlating with lower order-disorder transition temperatures. PMID- 29216716 TI - Cyclodipeptide c(Orn-Pro) Conjugate with 4-Ethylpiperic Acid Abrogates Cancer Cell Metastasis through Modulating MDM2. AB - The present work describes the synthesis, characterization, and anticancer properties of c(Lys-Pro), P1; c(Orn-Pro), P2; and conjugates PA-c(Lys-Pro), C1; PA-c(Orn-Pro), C2; EPA-c(Lys-Pro), C3; and EPA-c(Orn-Pro), C4. Among all, conjugate C4 displays potent anticancer activity with IC50 1.3 MUM in MDA-MB-231, 3.5 MUM in PC-3, 8.9 MUM in MCF-7, and 9.6 MUM in Miapaca-2 cancer cells. In addition, C4 downregulates the expression of MDM2 and abrogates the cancer cell invasion/metastasis. Through knock-down of MDM2, we demonstrate that this abrogation of metastasis by C4 is primarily MDM2 dependent. Furthermore, the animal studies underscore the antitumor as well as antimetastatic potential of C4 in vivo in breast cancer model at a safe and tolerable dose of 20 mg/kg. PMID- 29216717 TI - Assembly of High-Potency Photosensitizer-Antibody Conjugates through Application of Dendron Multiplier Technology. AB - Exploitation of photosensitizers as payloads for antibody-based anticancer therapeutics offers a novel alternative to the small pool of commonly utilized cytotoxins. However, existing bioconjugation methodologies are incompatible with the requirement of increased antibody loading without compromising antibody function, stability, or homogeneity. Herein, we describe the first application of dendritic multiplier groups to allow the loading of more than 4 porphyrins to a full IgG antibody in a site-specific and highly homogeneous manner. Photophysical evaluation of UV-visible absorbance and singlet oxygen quantum yields highlighted porphyrin-dendron 14 as the best candidate for bioconjugation; with subsequent bioconjugation producing a HER2-targeted therapeutic with average loading ratios of 15.4:1. In vitro evaluation of conjugate 18 demonstrated a nanomolar photocytotoxic effect in a target cell line, which overexpresses HER2, with no observed photocytotoxicity at the same concentration in a control cell line which expresses native HER2 levels, or in the absence of irradiation with visible light. PMID- 29216718 TI - The Intramolecular Hydrogen Bond N-H...S in 2,2'-Diaminodiphenyl Disulfide: Experimental and Computational Thermochemistry. AB - The intramolecular hydrogen bond of the N-H...S type has been investigated sparingly by thermochemical and computational methods. In order to study this interaction, the standard molar enthalpies of formation in gaseous phase of diphenyl disulfide, 2,2'-diaminodiphenyl disulfide and 4,4'-diaminodiphenyl disulfide at T = 298.15 K were determined by experimental thermochemical methods and computational calculations. The experimental enthalpies of formation in gas phase were obtained from enthalpies of formation in crystalline phase and enthalpies of sublimation. Enthalpies of formation in crystalline phase were obtained using rotatory bomb combustion calorimetry. By thermogravimetry, enthalpies of vaporization were obtained, and by combining them with enthalpies of fusion, the enthalpies of sublimation were calculated. The Gaussian-4 procedure and the atomization method were applied to obtain enthalpies of formation in gas-phase of the compounds under study. Theoretical and experimental values are in good agreement. Through natural bond orbital (NBO) analysis and a topological analysis of the electronic density, the intramolecular hydrogen bridge (N-H...S) in the 2,2'-diaminodiphenyl disulfide was confirmed. Finally, an enthalpic difference of 11.8 kJ.mol-1 between the 2,2'-diaminodiphenyl disulfide and 4,4'-diaminodiphenyl disulfide was found, which is attributed to the intramolecular N-H...S interaction. PMID- 29216719 TI - Prevalent placement error of deep brain stimulation electrode in movement disorders (technical considerations). AB - BACKGROUND: Deep brain stimulation is an effective and safe technique. Displacement of the electrode relative to the optimal stimulation site can lead to insufficient effect and sometimes to the need of operative electrode re position. OBJECTIVE: This study was aimed to analyse targeting accuracy of deep brain stimulation electrode implantation to subthalamic nucleus (STN) and globus pallidus internus (Gpi). It detected possible causes of inaccuracy and prevalent shift to certain direction. METHODS: Targeting accuracy was analysed in 47 patients with Parkinson's disease (PD) and 11 patients with dystonia with bilateral implantation of deep brain stimulation electrodes between years 2009 and 2016. RESULTS: A shift of electrode to prevalent direction was observed on the left side to medial and posterior and on the right side to lateral direction. Greater shift was observed on the left side and in a higher angulation of trajectory laterally. Movement of the electrode, because of its traction in anchoring device, was identified as a possible factor for prevalent electrode shift. Calibration of stereotactic coordinates to correct prevalent shift was used. CONCLUSION: Targeting inaccuracy is the result of accumulation of errors in individual steps of electrode implantation. Direction of the shift can be random or it can be toward a prevalent direction. A correction of prevalent error can prevent a suboptimal electrode placement (Tab. 3, Fig. 11, Ref. 29). PMID- 29216720 TI - Testosterone replacement therapy (TRT) and its effect on bone marrow. How serious is it and is there a true polyglobulia? AB - INTRODUCTION: TRT in men with testosterone deficiency syndrome (TDS) had multiple positive effects and restore a quality of life of affected men. Polyglobulia is the most common dose-limiting adverse effect of TRT, but the mechanisms of TRT mediated erythropoesis remain unclear. In this study, we evaluated long term haematological side effects of TRT: polyglobulia, elevated hemoglobin (Hb) and haematocrit (Ht). METHODS: In a cross-sectional descriptive study, the authors treated 69 men with TDS and the average age 59 years and the follow-up period 81.32 months. The men were treated with three-month i.m. injections of 1000 mg testosterone undecanoate. The elevated values were: Hb above 176 g/l, Ht above 0.52 and erythrocytes (Ery) above 6.0 mil/mcl. RESULTS: 21 out of 69 patients (30.43 %) had an increased Hb, Ht or Ery during treatment. The interesting fact was that only five men (7.24 %) had increased the number of Ery (true polyglobulia). No men with elevated level of Hb, Ht or Ery had other side effects (like thrombosis). CONCLUSION: It is still not clear, why in some men on TRT the feedback does not work and bone marrow production of red blood cells continues even if the upper limit is reached. Authors expect that only 7% of men had true polyglobulia, other men had elevated Hb or Ht. Based on our own experience we recommend a regular check of men on TRT on order to avoid possible serious side effects (Tab. 1, Fig. 2, Ref. 25). PMID- 29216721 TI - Alpha-2-macroglobulin and hyaluronic acid as fibromarkers in patients with chronic hepatitis C. AB - BACKGROUND: Liver fibrosis is the final common pathway of chronic liver diseases of various etiology. From the practical standpoint, it would be ideal to have a noninvasive fibromarker. The aim of our study was to investigate the levels of alpha-2-macroglobulin, potential fibromarker, in correlation to histological staging and another potential fibromarker, hyaluronic acid, in patients with chronic hepatitis C. METHODS: Population groups in this study consisted of 51 healthy volunteers and 54 patients with chronic hepatitis C. Liver biopsies were obtained under ultrasound guidance. Alpha-2-macroglobulin was determined by electroimmunodiffusion and hyaluronic acid with enzyme-linked binding protein assay. RESULTS: Both potential fibromarkers, alpha-2-macroglobulin and hyaluronic acid, were increased in patients with chronic hepatitis C. The alpha-2 macroglobulin levels were not significantly increased in the groups F0-F1. In the groups F2-F4, alpha-2-macroglobulin levels were significantly higher than in the control group. The changes of hyaluronic acid were similar to changes of alpha-2 macroglobulin. Regression analysis showed a significant correlation between hyaluronic acid and alpha-2-macroglobulin levels. CONCLUSIONS: According to the results of our study, it can be concluded that alpha-2-macroglobulin and hyaluronic acid might be useful markers of liver fibrosis (Tab. 2, Ref. 15). PMID- 29216722 TI - The influence of orthodontic non-extraction treatment on the change in the inclination and position of incisors in the Europoid race. AB - AIM: To detect post-treatment change in the inclination and position of incisors in cases treated with orthodontic non- extraction therapy. MATERIALS AND METHODS: The group consisted of 102 patients without extractions in lower and upper dental arch during orthodontic treatment. Cephalogram examination evaluated the position of the lower incisor to point A by Downs-pogonion line (-1 to APo) and inclination of the lower incisor to mandibular line (-1 to ML), position of the upper incisor to nasion-pogonion line (+1 to NPo), inclination of the upper incisor to nasion-sella line (+1 to NS) and the size of the inter-incisival angle between upper and central lower incisor (-1 to +1). RESULTS: In 58 % of cases, the difference in post-treatment and pre-treatment changes in the position of the (-1 to Apo) was within +/- 2 mm, which we considered stable. Statistically significantly higher values after treatment were in unstable rather than in stable cases with values (-1 to Apo), (-1 to ML), (+1 to NPo). Statistically significantly lower value after the treatment was measured in unstable cases rather than in stable cases with a value (-1 to +1). There was no statistically significantly different value in stable and unstable cases after treatment in values (+1 to NS). CONCLUSION: The number of stable post-treatment cases was only 16 % higher than the number of unstable cases. With the increasing value (-1 to Apo), the value (-1 to ML) and (+1 to NPo) increased, the value (+1 to -1) decreased. The value (-1 to NS) not after treatment was not statistically significantly different in stable and unstable cases (Tab. 6, Fig. 4, Ref. 27). PMID- 29216723 TI - Effect of aquaporin 1 and 4 on masticatory muscles degeneration as a result of aging. AB - OBJECTIVE: The changes in the mouth structures due to aging cause some structural and functional changes by affecting masticatory muscles over time. The aim of this study was to evaluate the aging-related histopathologic changes and immunohistochemically assessed aquaporin 1 and 4 expressions on masseter and temporal muscles. MATERIAL AND METHODS: 14 Balb/c white mice (50-80 g) were used in this study. Group I consisted of young animals (2-month-individuals) (n = 7) and Group II consisted of older animals (18-month-old) (n = 7). After routine histological follow-ups were made, tissues were stained immunohistochemically for aquaporin 1 and aquaporin 4 as well as with hematoxylin-eosin. RESULTS: It was seen that while the masseter and temporalis muscle tissues showed a high immunoreactivity (+++) for aquaporin 1 and 4 in young mice, they showed a weak immunoreactivity (+) for aquaporin 1 and 4 in old mice (p = 0.001). In the H score assessment, aquaporin 1 and 4 immunoreactivity was significantly higher in young mice than in old mice (p = 0.002). CONCLUSIONS: Consequently, it was shown that degeneration of the masticatory muscles increased with aging and there was a decrease in intra- and intercellular exchange of substances because of changing aquaporin 1 and aquaporin 4 expressions (Tab. 2, Fig. 4, Ref. 20). PMID- 29216724 TI - Inhibition by Egb761 of the effect of cellphone radiation on the male reproductive system. AB - OBJECTIVES: To determine the effects of Egb761 on testicular tissues and semen parameters in rats exposed to cellphone waves. BACKGROUND: EGb761 has antioxidant properties as a free-radical scavenger. Cellphone electromagnetic radiation (EMR) induces oxidative stress in cells. METHODS: Twenty-one Wistar albino male adult rats were divided into three groups (control, experimental, treatment), including seven rats in each. The experimental and treatment groups were exposed to cellphone EMR (0.96 W/kg) for six weeks (4 hrs/day). Egb761 (100 mg/kg/day) was also added to the treatment. Testes, epididymal semen and blood plasma were used for analysis. RESULTS: Exposure to cellular phone radiation resulted in a significant impairment in testicular morphometry and histological structure, reduction of total and motile sperm numbers and plasma testosterone level. Egb761 administration improved testicular damage and led to a marked increase in plasma testosterone levels and total and motile sperm numbers. CONCLUSION: Male reproductive system is susceptible to cellphone radiation. Cellphone waves induce toxic effects in testicular tissues, impair spermatogenesis and cause an imbalance in testosterone hormone levels. Egb761 ameliorated these toxic effects by reversing testicular tissue damage, restoring normal spermatogenesis and hormone levels. This suggests that Egb761 is a potential therapeutic agent against EMR-induced male reproductive toxicity (Tab. 3, Fig. 6, Ref. 45). PMID- 29216725 TI - Decreased circulatory microRNA-4478 as a specific biomarker for diagnosing non-ST segment elevation myocardial infarction (NSTEMI) and its association with soluble leptin receptor. AB - OBJECTIVE: This study aimed to assess the usefulness of circulatory microRNA-4478 (miR-4478) and soluble leptin receptor (sLEPR) in prognosis and diagnosis of non ST-segment elevation myocardial infarction (NSTEMI) and to introduce miR-4478 as a new biomarker for NSTEMI disease. This study aimed also to examine correlation between miR-4478 and soluble leptin receptor and effects of miR-4478 on leptin receptor concentration. BACKGROUND: MicroRNAs could be used as predictive biomarkers for diseases. METHODS: We collected sera of 80 angiographically confirmed NSTEMI patients and 80 healthy individuals and performed RNA extraction, cDNA synthesis, measurement of microRNAs, sLEPR and other chemistries. Statistical analyses were done using excel, XLSAT, and SPSS. Quality control analysis was done triplicated for 7 serial dilution of stock cDNA solution. RESULTS: The patients with NSTEMI had higher serum levels of miR-4478, sLEPR, cTnI, CKMB, Urea, creatinine, glucose, cholesterol, TG, and ALP but lower levels of ALT compared with the normal healthy individuals. We detected decrease in expression of miR-4478 (2^-??Cq = 0.161 +/- 0.211) along with increase in sLEPR levels (F = 3.645, p < 0.001) in the NSTEMI group compared with normal individuals. Pearson's correlation tests indicated positive correlation of miR 4478 and sLEPR (p < 0.001, R2 = 0.698). There was sensitivity and specificity of 87.5% and 98.8% for miR-4478 and 92.5% and 87.5% for sLEPR. CONCLUSION: Circulatory miR-4478 and sLEPR may be used as predictors of NSTEMI. miR-4478 may also be used as a new biomarker for NSTEMI disease (Tab. 3, Fig. 6, Ref. 30). PMID- 29216726 TI - High serum levels of IGF-I and IGFBP3 may increase comorbidity risk for asthmatic patients. AB - OBJECTIVE: Asthma is known as a chronic inflammatory lung disease which has also systemic features. Insulin-like growth factor I (IGF-I) plays a role for asthma pathogenesis. Controversially, IGF-binding protein 3 (IGFBP3) blocks asthma development. That is why IGF-I and IGFBP3 are targeted for future therapeutic treatments of asthma. We aimed to investigate serum level of IGF-I and IGFBP3 in patients with asthma. This study was performed in 27 asthma and 23 healthy individuals. Serum levels of IGF-I and IGFBP3 were measured by human ELISA assay kits. Serum levels of IGF-I and IGFBP3 were significanlty higher in the asthma group than the control group. Significant negative correlation was found between IGF-I and asthma control test (ACT) puan, O2 saturation, Forced Expiratory Volume in 1 second/ Forced Vital Capacity (FEV1/FVC), Forced Expiratory Flow 25 second/75 second (FEF2575) (%). Significant positive correlation was found between IGFBP3 and IGF-I, systolic blood pressure. Significant negative correlation was found between IGF-I and FEV1 (ml). RESULTS: Our results indicate that the serum levels of IGF-I and IGFBP3 are significanlty elevated in the asthma group. We assume that current treatment strategies are not really good enough for asthma. We suppose further strategies which are seeking to balance IGF I and IGFBP3 should be developed for more effective and curative treatment of asthma (Tab. 2, Fig. 2, Ref. 22). PMID- 29216727 TI - Effect of EGF on Bax, Bcl-2 and Fas expression in ulcerous disease and N87 cell line. AB - BACKGROUND: To evaluate the effect of epithelial growth factor (EGF) in primary culture of ulcer patients and N87 cell line on expressions of apoptotic genes. METHODS: Ulcer patients who attended Gastroenterology Clinic of Mersin University Medical Faculty were included in this study. Three different doses of EGF were applied to the primary culture of biopsy samples from ulcer patients and gastric cancer cell-line (ATCC-NCI-N87) . The expression levels of Bax, Bcl-2 and Fas genes were measured with quantitative real-time PCR (qRT-PCR). RESULTS: DeltaDeltaCT analysis with qRT-PCR revealed no significant change in gene expression of Bax, Bcl-2 or Fas within the ulcer, normal tissue and gastric cancer. No significant change was determined between Bax and Bcl-2 gene expression levels and applied EGF doses when groups were compared for each EGF dose. On the other hand, when 50 ng/ul of EGF was administered, Fas mRNA expression level was significantly lower in the gastric cancer cell line compared to patients with ulcer and normal gastroduodenal tissue (p<0.05). CONCLUSION: In this study which was done with a restricted patient group, our results revealed that apoptosis induced by Fas expression in gastroduodenal suppressing carcinogenesis process plays an active role in gaining anti-apoptotic properties of cells (Tab. 4, Fig. 2, Ref. 27). PMID- 29216728 TI - Optimization of Eva Green real-time mPCR for differentiating C. jejuni/coli directly from feces. AB - OBJECTIVE: To develop and optimize a rapid molecular method for diagnosing campylobacteriosis directly from a clinical fecal sample and at the same time for determining the most common causing agents - C. jejuni/coli. MATERIALS AND METHODS: 38 clinical fecal samples from hospitalized patients with diarrheal syndrome were tested using a rapid immunochromatographic test. All positive samples were tested for confirmation by culturing in a microaerophilic atmosphere. The Eva Green real-time mPCR reaction of a direct fecal sample was conducted using the "IQ5TM Real-Time PCR System" apparatus. RESULTS: Out of 38 clinical fecal samples which were ICT positive, 18 strains were isolated by culture, namely, 17 of C. jejuni and 1 of C. coli. The Eva Green real-time mPCR reaction also reported 18 positive samples for Campylobacter, out of which 17 were of C. jejuni and only one of C.coli. CONCLUSION: We developed and optimized the Eva Green real-time mPCR for the detection and species differentiation of C. jejuni/coli directly from a clinical fecal sample. The molecular analysis we described has a 100% sensitivity and specificity when comparing the results obtained by it to those of the culture method, which is currently the "gold standard" in the diagnosis of campylobacteriosis (Tab. 2, Fig. 1, Ref. 6). PMID- 29216730 TI - The influence of cranio-cervical rehabilitation in patients with myofascial temporomandibular pain disorders. AB - OBJECTIVE: The aim of the study was to prove the causality between the craniocervical dysfunction and myofascial pain in the head and neck and to demonstrate the clinical value and usefulness of physiotherapy as one of the therapeutic options for myofascial pain. METHODS: The group of patients diagnosed with myofascial dysfunctional pain syndrome contained 98 patients out of which 79 patients (81 %) were females and 19 patients (19 %) were males. The majority of the patients were aged between 26 and 35 years; the total age range was 14-77 years with the average of 38 years. Observed patients were subdivided into three groups. Standard therapeutic methods aimed at the temporomandibular joint were provided to the patients of the first group. The second group of the patients received therapy aimed at cervical muscles only. Complex rehabilitation was applied in the third group of patients. The most frequent method used in the evaluation of chronic musculoskeletal pain in clinical studies is the visual analogue scale (VAS). RESULTS: According to our results, all three groups of patients saw an improvement in pain perception, but the overall subjective remission of painful sensations in the third group took place in as many as 88 % of patients. In this group, there was a significant decrease in the tenderness of trigger points in the trapezius and sternocleidomastoid muscles. CONCLUSION: It was proved that a combination of simple relaxing and stretching exercises of cervical muscles with a standard method used in the therapy of masticatory muscles is significantly more efficient (Fig. 5, Ref. 18). PMID- 29216729 TI - Periostin normalizes levels of cardiac markers in rats with experimental isoproterenol cardiotoxicity. AB - BACKGROUND: Although the molecular mechanism of cardiac healing is not fully understood, myocardial infarction is one of the most usual diagnoses in hospitalized patients in industrialized nations while periostin has been recently suggested to have a potential in tissue repairing following myocardial ischemia. OBJECTIVES: To investigate the effects of periostin on the levels of selected cardiac parameters (cardiac troponin I and T, creatine kinase and creatine kinase isoenzyme-MB), antioxidant/lipid peroxidation parameters (superoxide dismutase, catalase, and malondialdehyde), hepatic parameters (alkaline phosphatase, lactate dehydrogenase, aspartate and alanine transaminases) as well as lipids (total cholesterol, triglyceride, high, low and very-low-density lipoproteins) in a rat model of isoproterenol---induced myocardial injury. METHODS: A total of 84 male rats were grouped into saline (Group I), periostin (Group II), isoproterenol (Group III) and isoproterenol+periostin (Group IV) groups (n = 21). Isoproterenol (85 mg/kg/day) and periostin groups were both injected intraperitoneally (1 MUg/kg). RESULTS: Our results revealed that periostin has a positive reducing effect on the levels of analysed parameters especially on cardiac troponins and creatine kinases on days 7 and 28 of the recovery period following the induced experimental heart damage in rats. CONCLUSION: It is concluded that periostin could have a potential to increase the rate of myocardial recovery after myocardial infarction (Tab. 5, Ref. 28). PMID- 29216733 TI - Should the Australian Therapeutic Goods Administration recommend rapid dosing of lithium carbonate in acute mania? PMID- 29216731 TI - Preclinical Testing of a Combination Stone Basket and Ureteral Balloon to Extract Ureteral Stones. AB - We have developed the Peralta Stone Extraction System to increase the safety of ureteral stone extraction. The device combines a nitinol stone basket and low pressure balloon into a single device. After visualization, the stone is captured in the tipless nitinol basket and enveloped by a low-pressure balloon. We tested the performance of device prototypes in a porcine model using stone mimics with diameters ranging from 4.2 to 6.2 mm. Stones extracted with the device required less force when compared with stones in a standard ureteral stone basket. The force reduction was most pronounced for stones greater than 4.2 mm in diameter, and when traversing a ureteral stenosis model. In conclusion, a combination stone basket and balloon device may provide a new and safer way to extract ureteral stones. PMID- 29216734 TI - Paediatric bipolar disorder: Reality or myth? PMID- 29216732 TI - Vitamin B12 sources and microbial interaction. AB - Vitamin B12 is synthesized only by certain bacteria and archaeon, but not by plants. The synthesized vitamin B12 is transferred and accumulates in animal tissues, which can occur in certain plant and mushroom species through microbial interaction. In particular, the meat and milk of herbivorous ruminant animals (e.g. cattle and sheep) are good sources of vitamin B12 for humans. Ruminants acquire vitamin B12, which is considered an essential nutrient, through a symbiotic relationship with the bacteria present in their stomachs. In aquatic environments, most phytoplankton acquire vitamin B12 through a symbiotic relationship with bacteria, and they become food for larval fish and bivalves. Edible plants and mushrooms rarely contain a considerable amount of vitamin B12, mainly due to concomitant bacteria in soil and/or their aerial surfaces. Thus, humans acquire vitamin B12 formed by microbial interaction via mainly ruminants and fish (or shellfish) as food sources. In this review, up-to-date information on vitamin B12 sources and bioavailability are also discussed. Impact statement To prevent vitamin B12 (B12) deficiency in high-risk populations such as vegetarians and elderly subjects, it is necessary to identify foods that contain high levels of B12. B12 is synthesized by only certain bacteria and archaeon, but not by plants or animals. The synthesized B12 is transferred and accumulated in animal tissues, even in certain plant tissues via microbial interaction. Meats and milks of herbivorous ruminant animals are good sources of B12 for humans. Ruminants acquire the essential B12 through a symbiotic relationship with bacteria inside the body. Thus, we also depend on B12-producing bacteria located in ruminant stomachs. While edible plants and mushrooms rarely contain a considerable amount of B12, mainly due to concomitant bacteria in soil and/or their aerial surfaces. In this mini-review, we described up-to-date information on B12 sources and bioavailability with reference to the interaction of microbes as B12-producers. PMID- 29216735 TI - The psychological impact of epilepsy across different developmental stages: An Eriksonian formulation. PMID- 29216736 TI - The challenges and benefits of conducting linked epidemiological and neurobiological health surveillance into the impacts of military deployment in Australia. PMID- 29216737 TI - Electroconvulsive therapy in an elderly patient with recurrent meningiomas. PMID- 29216738 TI - Medical Assistance in Dying and Mental Health: A Legal, Ethical, and Clinical Analysis. AB - Medical assistance in dying (MAiD) legislation is now over a year old in Canada, and consideration is turning to whether MAiD should be extended to include serious mental illness as the sole qualifying condition for being eligible for MAiD. This article considers this question from ethical and clinical perspectives. It argues that extending the eligibility for MAiD to include those with a serious mental illness as the sole eligibility criterion is not ethical, necessary, or supported current psychiatric practice or opinion. PMID- 29216739 TI - Lymphatic drainage efficiency: a new parameter of lymphatic function. AB - Background Following convection from blood capillaries, plasma proteins are transported to loco-regional lymph nodes in two stages: first, uptake into peripheral lymphatics, and second, transport to nodes. Purpose To introduce a new parameter of lymphatic function that quantifies stage 2 - lymphatic drainage efficiency (LDE). Material and Methods Percentage injected activity (IIQ) in ilio inguinal nodes 150 min following subcutaneous foot web-space injection of Tc-99 m nanocolloid was measured in 102 patients undergoing lymphoscintigraphy using a method in which a standard is placed by image guidance over the nodes. Percentage activity leaving the injection depot by 150 min ( k) was measured in 60/102 patients. LDE (%) = 100 * (IIQ/ k). Abnormal lymphoscintigraphy was defined qualitatively as: (i) no activity in ilio-inguinal nodes at 45 min or negligible activity at 150 min (delay); (ii) lymph diversion through skin and/or deep system; and (iii) focal tracer accumulation suggesting cellulitis. Results Scintigraphy was bilaterally normal in 82 limbs, unilaterally normal in 40 limbs and abnormal in 82 limbs. IIQ correlated with k in bilaterally normal (r = 0.86; n = 52), unilaterally normal (r = 0.67; n = 27), and abnormal (r = 0.82; n = 41) limbs. IIQ, k, and LDE were significantly lower in unilaterally normal (9.3 +/- 5.4%, 13.8 +/- 7.1%, and 65 +/- 30%) compared with bilaterally normal limbs (15.4 +/- 8.4% [ P > 0.0001], 18.3 +/- 8.9% [ P = 0.025], and 84 +/- 30% [ P = 0.01]). LDE was lower in limbs displaying skin diversion and/or delay. Conclusion LDE is a new quantitative index that has potential value in clinical research but requires further clinical evaluation. Abnormal quantitative indices indicate that limbs unilaterally normal on lymphoscintigraphy are not functionally normal. PMID- 29216740 TI - New concepts of radiologic preoperative evaluation of anterior shoulder instability: on-track and off-track lesions. AB - The shoulder is the most frequently dislocated joint in the body due to a larger range of motion and a small area of articulation between the humeral and glenoid surfaces. Traumatic shoulder dislocations, especially those associated with injury to the labroligamentous or bony stabilizers of the joint, lead to further reduction of articular surface contact with resultant glenohumeral instability and recurrent shoulder dislocations. Imaging plays an increasingly important role in the preoperative evaluation of patients with traumatic shoulder instability by evaluating glenohumeral bone loss (uni- or bipolar), assessing soft tissue injuries and identifying patients at risk of postoperative recurrence. Quantification of bone loss is key to differentiate engaging vs. non-engaging Hill-Sachs lesions, while newer concepts of "on-track" vs. "off-track" lesions are being discussed that can determine the required surgical approaches. In this article, we review the preoperative imaging approaches, traditional treatments, outline the bone loss measurement strategies and review these new tracking concepts with relevant case examples. PMID- 29216741 TI - Evaluation of cellulose pads as a method to detect cytomegalovirus DNA in neonatal urine. AB - Background Several approaches exist to screen neonates for congenital cytomegalovirus infection. We here describe a new method using cellulose pads for urine collection and its evaluation in an experimental and a clinical setting. Methods We systematically tested the effect of storage duration of the pads after exposure to cytomegalovirus-positive urine, meconium contamination and specimen handling on the cytomegalovirus load and the detection rate. Further, the method was tested in clinical practice in a cohort of 500 neonates. Results Following exposure of urine pads with cytomegalovirus-positive urine, the viral load decreased after 15 min, 12 h, 24 h, and 7 days to 63.2%, 42.1%, 31.6%, and 9.3% of the baseline value. Cytomegalovirus detection rate after seven days was 100%. Contamination with meconium resulted in a comparable reduction of the viral load. The detection rate for dried urine pads after seven days was 93.3%. In clinical practice, urine collection from pads was successful in 73.6% by the first attempt and in 26.4% by the second attempt. Conclusions Urine collection using cellulose pads seems feasible regardless of a reduction of the cytomegalovirus load due to exposure to the pad itself or to meconium. Drying of the exposed urine pad should be avoided. PMID- 29216742 TI - Redox-sensing iron-sulfur cluster regulators. AB - SIGNIFICANCE: Iron-sulfur cluster proteins carry out a wide range of functions, including as regulators of gene transcription/translation in response to environmental stimuli. In all known cases, the cluster acts as the sensory module, where the inherent reactivity/fragility of iron-sulfur clusters towards small/redox active molecules is exploited to effect conformational changes that modulate binding to DNA regulatory sequences. This promotes an often substantial re-programming of the cellular proteome that enables the organism or cell to adapt to, or counteract, its changing circumstances. Recent Advances. Significant progress has been made recently in the structural and mechanistic characterization of iron-sulfur cluster regulators and, in particular, the O2 and NO sensor FNR, the NO sensor NsrR, and WhiB-like proteins of Actinobacteria. These are the main focus of this review. CRITICAL ISSUES: Striking examples of how the local environment controls the cluster sensitivity and reactivity are now emerging, but the basis for this is not yet fully understood for any regulatory family. FUTURE DIRECTIONS: Characterization of iron-sulfur cluster regulators has long been hampered by a lack of high resolution structural data. Though this still presents a major future challenge, recent advances now provide a firm foundation for detailed understanding of how a signal is transduced to effect gene regulation. This requires the identification of often unstable intermediate species, which are difficult to detect and may be hard to distinguish using traditional techniques. Novel approaches will be required to solve these problems. PMID- 29216743 TI - A systematic scoping review and synthesis of dementia and communication theory. AB - Aim This review considers the theoretical literature concerning communication between a person with dementia and a person without dementia. Methods Theoretical accounts of communication between a person with dementia and a person without dementia were identified through database searches, hand searching of reference lists and contacting experts in the topic area. Results Twenty-one articles were included in the final review, yielding 18 different theoretical accounts of communication in the context of dementia. Thematic synthesis showed that four categories could account for the majority of the material described in these theories, even though they were derived from very different perspectives. These categories were mutuality, personhood, anxiety reduction and environmental considerations. Discussion The four categories identified in the thematic synthesis were reminiscent of Kitwood's theory of person-centred dementia care. Different interpretations of this finding are considered. Most theoretical accounts focused on the relational aspects of communication. This meant that societal and individual accounts of communication in the context of dementia were relatively impoverished in terms of theory. Conclusions There is widespread agreement regarding the important components of good quality communication in the context of dementia. This suggests exciting opportunities for collaboration between apparently disparate bodies of literature. Individual and societal accounts of communication in the context of dementia are relatively neglected and would benefit from more research. PMID- 29216744 TI - Dose uniformity of budesonide Easyhaler(r) under simulated real-life conditions and with low inspiration flow rates. AB - Budesonide Easyhaler(r) multidose dry powder inhaler is approved for the treatment of asthma. Objectives were to determine the delivered dose (DD) uniformity of budesonide Easyhaler(r) in simulated real-world conditions and with different inspiration flow rates (IFRs). Three dose delivery studies were performed using 100, 200, and 400 ug/dose strengths of budesonide. Dose uniformity was assessed during in-use periods of 4-6 months after exposure to high temperature (30 degrees C) and humidity (60% relative humidity) and after dropping and vibration testing. The influence of various IFRs (31, 43, and 54 L/min) on the DD was also investigated. Acceptable dose uniformity was declared when mean DD were within 80-120% of expected dose; all data reported descriptively. DD was constant (range: 93-109% of expected dose) at all in-use periods and after exposure to high temperature and humidity for a duration of up to 6 months. DD post-dropping and -vibration were unaffected (range 98-105% of expected dose). Similarly, DD was constant and within 10% of expected dose across all IFRs. Results indicate that budesonide Easyhaler(r) delivers consistently accurate doses in various real-life conditions. Budesonide Easyhaler(r) can be expected to consistently deliver a uniform dose and improve asthma control regardless of high temperature and humidity or varying IFR. PMID- 29216745 TI - Differential Experimental Effects of a Short Bout of Walking, Meditation, or Combination of Walking and Meditation on State Anxiety Among Young Adults. AB - INTRODUCTION: Single bouts of aerobic exercise and meditation have been shown to improve anxiety states. Yet to be evaluated in the literature, we sought to examine the effects of a single, short bout of aerobic exercise or meditation, as well as exercise and meditation combined on state anxiety among young adults. DESIGN: Randomized controlled trial. SETTING: University. SUBJECTS: Participants (N = 110, mean age = 21.4 years) were randomly assigned to walk, meditate, walk then meditate, meditate then walk, or to sit (inactive control). MEASURES: All walking and meditation bouts were 10 minutes in duration. Participants' state anxiety was monitored before and after the intervention using the State Trait Anxiety Inventory questionnaire. RESULTS: Significant group * time interaction effects were observed ( P = .01). Post hoc paired t tests revealed that state anxiety significantly decreased from baseline to postintervention in the meditation ( P = .002), meditation then walk ( P = .002), and walk then meditation ( P = .03) groups but not the walk ( P = .75) or control ( P = .45) groups. CONCLUSION: Meditation (vs a brisk walk) may be a preferred method of attenuating anxiety symptomology. Individuals desiring the health benefits associated with aerobic exercise may achieve additional anxiolytic benefits if they employ a brief meditation session before or after exercising. PMID- 29216746 TI - Employing a Fixed-Lean Multiple Schedule in the Treatment of Challenging Behavior for Children With Autism Spectrum Disorder. AB - Despite its utility, there is limited applied research on employing fixed-lean (FL) schedules of reinforcement in treatment packages to address challenging behavior. One potential reason is that abrupt shifts to terminal schedules of reinforcement have been associated with immediate increases in challenging behavior before subsiding to clinically acceptable levels. The purpose of the present study was to (a) provide evidence demonstrating the utility of a FL multiple schedule (MS) in the treatment of challenging behavior in applied settings, (b) examine the potential effects of alternative stimuli on challenging behavior during a FL MS, and (c) assess the social validity of this treatment package with participants and caregivers. The results of this study showed low levels of challenging behavior and discriminated mands during the FL MS, but no evidence to support the inclusion of alternative stimuli. In addition, caregivers of both participants reported high levels of satisfaction with the treatment package. Implications for research and clinical practice are discussed. PMID- 29216747 TI - Factor Structure and Further Validation of the 20-Item Short Form of the Obsessive Beliefs Questionnaire. AB - A 44-item version of the Obsessive Beliefs Questionnaire (OBQ-44) put forward by the Obsessive Compulsive Cognitions Working Group remains the most widely used version of the OBQ, despite research casting doubt on its factorial validity and the existence of a short form (i.e., OBQ-20). In a large sample of undergraduate students ( n = 1,210), a bifactor model of the OBQ-20, consisting of a general factor and four specific factors (threat, responsibility, importance/control of thoughts, perfectionism/certainty), was supported as the best-fitting model. None of the examined OBQ-44 models provided adequate fit. The bifactor model of the OBQ-20 was retained in two independent samples ( n = 1,342 community adults, n = 319 undergraduate students). The incremental validity of the specific factors of the OBQ-20 beyond the general factor was evidenced across multiple criterion indices, including obsessive-compulsive symptom measures and reactions to a thought-induction task. Results further support use of the OBQ-20. PMID- 29216748 TI - Quality of Care for Patients With Diabetes and Mulitmorbidity Registered at Nurse Practitioner-Led Clinics. AB - Background Nurse Practitioner-Led Clinics are a new model of primary healthcare in Ontario. Nurse Practitioner-Led Clinics are distinctive in that nurse practitioners are the primary care providers working with an interprofessional team. There have been no evaluations of the quality of care within the Nurse Practitioner-Led Clinic model. Purpose Evaluation of the Nurse Practitioner-Led Clinic model, specifically for complex clinical presentations, will provide insights that may be used to inform improvements to the delivery of care in the Nurse Practitioner-Led Clinics. The aim of this study was to evaluate the extent to which diabetes care was complete and to determine the impact of organizational tools, including electronic medical record tracking, diabetes care template, and referral to community programs, on the completeness of care for patients with diabetes and multimorbidity at Nurse Practitioner-Led Clinics. Methods An audit of 30 charts was conducted at five different Nurse Practitioner-Led Clinics (n = 150) for patients with diabetes and at least one other chronic condition. Indicators included patient and organizational characteristics as well as diabetes care items taken from diabetes clinical guidelines. Results Overall, care for patients with diabetes and multimorbidity in Nurse Practitioner-Led Clinics was complete. However, there were no significant associations between patient or organizational characteristics and the extent to which diabetes care was complete. PMID- 29216749 TI - Impact of Palliative Chemotherapy and Travel Distance on Hospice Referral in Patients With Stage IV Pancreatic Cancer: A Retrospective Analysis Within a Veterans Administration Medical Center. AB - BACKGROUND: Metastatic pancreatic ductal adenocarcinoma (mPDAC) has a poor prognosis despite chemotherapy advancements. Although hospice utilization has increased, timing of referral is not always optimal. AIM: To investigate whether palliative chemotherapy and travel distance to the treatment center impact hospice referral patterns in veterans of the US military in order to identify potential areas for improving referral timing. DESIGN: Demographic and clinical data were collected retrospectively according to the timing of hospice referral. Settings/Participants: Patients with mPDAC within a Veterans Administration Medical Center from 2005 to 2014. RESULTS: Of 58 patients identified, 52 were referred to hospice. The median time from diagnosis to referral and referral to death was 2.4 and 3.1 weeks, respectively. Palliative chemotherapy was administered to 22 (42.3%) patients, with 30 (57.7%) patients not treated due to poor functional status (n = 16, 53.3%) or patient refusal (n = 14, 46.7%). Subset analysis for those travelling >60 miles versus <60 miles to the treatment center showed the median time to hospice referral was 1.7 versus 4.7 weeks. With no significant differences between groups, univariate analysis demonstrated that those referred to hospice >2.4 weeks from diagnosis more often received chemotherapy ( P < .001) and lived <60 miles from the treatment center ( P = .05). CONCLUSION: Receipt of palliative chemotherapy and proximity to the treatment center appear to delay referral to hospice in patients with mPDAC. Increasing physician awareness of such factors that may impact the decision to involve hospice is necessary for delivering optimal oncology care. PMID- 29216750 TI - PDE/cAMP/Epac/C/EBP-beta Signaling Cascade Regulates Mitochondria Biogenesis of Tubular Epithelial Cells in Renal Fibrosis. AB - AIMS: Cyclic adenosine 3'5'-monophosphate (cAMP) is a universal second messenger that plays an important role in intracellular signal transduction. cAMP is synthesized by adenylate cyclases from adenosine triphosphate and terminated by the phosphodiesterases (PDEs). In the present study, we investigated the role of the cAMP pathway in tubular epithelial cell mitochondrial biogenesis in the pathogenesis of renal fibrosis. RESULTS: We found that the cAMP levels were decreased in fibrotic kidney tissues, and replenishing cAMP could ameliorate tubular atrophy and extracellular matrix deposition. The downregulation of cAMP was mainly attributed to the increased PDE4 expression in tubular epithelial cells. The inhibition of PDE4 by PDE4 siRNA or the specific inhibitor, rolipram, attenuated unilateral ureteral obstruction-induced renal interstitial fibrosis and transforming growth factor (TGF)-beta1-stimulated primary tubular epithelial cell (PTC) damage. The Epac1/Rap1 pathway contributed to the main effect of cAMP on renal fibrosis. Rolipram could restore C/EBP-beta and PGC-1alpha expression and protect the mitochondrial function and structure of PTCs under TGF-beta1 stimulation. The antifibrotic role of rolipram in renal fibrosis relies on C/EBP beta and PGC-1alpha expression in tubular epithelial cells. Innovation and Conclusion: The results of the present study indicate that cAMP signaling regulates the mitochondrial biogenesis of tubular epithelial cells in renal fibrosis. Restoring cAMP by the PDE4 inhibitor rolipram may ameliorate renal fibrosis by targeting C/EBP-beta/PGC1-alpha and mitochondrial biogenesis. Antioxid. Redox Signal. 29, 637-652. PMID- 29216751 TI - Decreased viability and proliferation of CHANG conjunctival epithelial cells after contact with ultraviolet light-irradiated pollen. AB - CONTEXT: Contact with pollen is the major reason for the development of allergic symptoms on the ocular surface leading to a significant increase of allergic diseases worldwide. Environmental changes such as increased ultraviolet (UV) radiation and air pollution are discussed as contributory causes for this increase. OBJECTIVE: We investigated the effect of UV light on the histamine content of pollen and examined if an irradiation of pollen affects the viability and proliferation of conjunctival cells. MATERIALS AND METHODS: Alder (Alnus glutinosa) and hazel (Corylus avellana) pollen were irradiated for different time periods with sunlight, UV-A or UV-B light and the histamine content was analysed and compared with non-irradiated pollen. Conjunctival epithelial cells (CHANG cells) were exposed to irradiated and non-irradiated pollen followed by an assessment of cell viability with the colorimetric MTS test and the impedance based measurement of cell proliferation using the xCELLigence real-time analysis system. RESULTS: UV light irradiation increased the histamine level of alder and hazel pollen in a dose-dependent manner. CHANG cells treated with irradiated pollen induced a statistically significant higher decrease of cell viability than treatment with non-irradiated pollen. DISCUSSION AND CONCLUSIONS: Our results indicate that UV light is able to alter pollen thus making them more harmful for conjunctival cells. PMID- 29216752 TI - An acryl resin-based swellable microneedles for controlled release intradermal delivery of granisetron. AB - Swellable microneedles (SMNs) are made of hydrogels and can deliver drug with controlled delivery rate by the cross-link density of the hydrogel. In this study, an acryl resin-based SMNs was developed for poorly water-soluble drugs. The making process of the SMNs is very simple and only need 60 min. The SMNs has high mechanical strength and is not easily broken. In-vitro release of SMNs loaded model drug, granisetron base (GRB), was investigated. The results showed that seven days controlled release of GRB was obtained when SMNs contained pore foaming agents (1.5% dicalcium phosphate (CaHPO4) and 1.5% polyvinylpyrrolidone (PVP)). The maximum amount delivered into skin was 86.158 +/- 7.82% of the initial GRB (2.1 mg) loaded on SMNs preparation. Pharmacokinetics study in rats indicated a dose-dependent profile of plasma GRB concentrations and that the controlled release of 2.1 mg dose was observed for 144 hours. In conclusion, these SMNs provided a potential minimally invasive route for controlled-release systemic delivery of poorly water-soluble drugs. PMID- 29216753 TI - The Impact of Safety Plans in an Outpatient Clinic. AB - BACKGROUND: Safety plans are recommended as tools to mitigate suicide risk; however, their effectiveness remains unclear. AIM: To evaluate the impact of safety plans on patient care at an outpatient mental health clinic. METHOD: In this retrospective chart review, patients' treatment engagement, health-care utilization, and risk behaviors were measured. Patients served as their own historical controls, and we compared outcomes in the 6 months before and 6 months after creation of safety plans. RESULTS: In all, 48 patient charts were identified. Hospitalizations were significantly reduced and use of crisis calls significantly increased after implementation of safety plans. There were five suicide attempts before safety plan completion and one after, representing a trend toward statistical significance. Outpatient encounters increased by 18%, missed appointments increased by 34%, psychiatric emergency room visits decreased by 47%, and a 69% reduction in inpatient hospital days was observed, all trending toward statistical significance. No differences were seen in episodes of violence or self-injurious behavior. LIMITATIONS: The study sample was small and there was a lack of randomization. CONCLUSION: Results suggest that safety plans can lead to improvements in utilization of care and patient engagement. Further research is needed to better understand the clinical impact of safety plans on high-risk patients. PMID- 29216754 TI - Estimating Incidence Rate of Hospital-Treated Self-Harm in Hong Kong Using Capture-Recapture Approach. AB - BACKGROUND: A surveillance system for self-harm has not been established in Hong Kong. The existing data source has an unknown degree of underreporting, and therefore a capture-recapture method has been proposed to correct for the incompleteness. AIMS: To assess the underestimation of the incidence of self-harm cases presenting to hospital in Hong Kong using a capture and recapture method. METHOD: Two different yet overlapping hospital administrative datasets of self harm were obtained from all public hospitals in Hong Kong. From 2002 to 2011, 59,473 distinct episodes involving 36,411 patients were identified. A capture recapture model considering heterogeneous capture probabilities was applied to estimate the number of self-harm episodes. RESULTS: The estimated number of self harm incidence was 79,923, equally shared by females and males. Cases of self harm by females were more likely to be ascertained than those by males. The estimated annual incidence rate of self-harm in Hong Kong from 2002 to 2011 ranged from 96.4 in 2010 to 132.7 in 2002. LIMITATIONS: The proposed method does not include patients who required no medical attention and those where the patient consulted private doctors. CONCLUSION: The capture-recapture model is a useful method for adjusting the underestimation of self-harm cases from existing databases when surveillance system is not available and to reveal some hidden patterns. PMID- 29216755 TI - Explicit Motives, Antecedents, and Consequences of Direct Self-Injurious Behaviors. AB - BACKGROUND: Self-injurious behaviors in adolescence are a serious public health concern. AIMS: The current study aims to expand our understanding of motives for direct self-injurious behaviors (D-SIB). We examined the explicit motives but also the actual antecedents and consequences of D-SIB over time. METHOD: As part of the Saving and Empowering Young Lives in Europe (SEYLE) study, adolescents between the ages of 14 and 18 years from Israel completed self-report questionnaires at baseline, 3-month, and 12-month follow-ups. RESULTS: Decreases in social support predicted later increases in D-SIB, an effect mediated by negative affect. Both peer and parental support also exerted quadratic effects on D-SIB. Thus, low as well as high support predicted subsequent D-SIB. In turn, D SIB was followed by increased peer and parental support. LIMITATIONS: Our methodology relies on self-reports, affected by social desirability and recall biases. CONCLUSION: The findings support a causal path for the development of D SIB: from interpersonal distress to emotional distress and then to D-SIB. They also point to interesting avenues regarding subgroupings of adolescents who self injure depending on their motives. Finally, our results reveal that D-SIB, although of negative import, might paradoxically be effective in serving certain functions such as gaining support from parents and peers. PMID- 29216756 TI - The Influence of Perceived Stress and Depression on Suicide-Related Beliefs in Caucasian and Indian Adults. AB - BACKGROUND AND AIMS: Suicidality research in developing countries, including India, faces logistical and cultural challenges. Technology may help address these challenges and offer data to providers treating a diverse clientele. METHOD: The relationship between perceived stress and suicide-related beliefs was examined in two populations: Indians in India (n = 374) and Caucasians in English speaking countries (n = 326); the influence of depression on that relationship was also explored. The study was conducted via an Internet-based survey. RESULTS: Three-way interactions (Ethnicity * Perceived stress * Depression status) were observed, predicting strength of the belief that suicide is a solution to problems, F(1,679) = 4.18, p < .05, and that suicide is a good option if quality of life worsens, F(1,675) = 9.53, p < .01. For both beliefs, Caucasians screening positive for depression exhibited the strongest relationship between stress and suicide-related beliefs; for Indians, that relationship was not moderated by depression status. Caucasians also exhibited a stronger association between higher stress and greater belief strength that suicide is a good option assuming a steady quality of life than did Indians, F(1,680) = 6.05, p < .05. LIMITATIONS: Participants were recruited through a depression screening website; results may not generalize to those who are uninterested in depression screening or to those who are unwilling or unable to use the internet for that purpose. CONCLUSION: Our findings may help to better target interventions to reduce suicidality, for example, employ stress reduction techniques for Caucasians who are depressed, and monitor suicidality for Indians reporting high stress regardless of depression. PMID- 29216757 TI - Assessing Challenges in Low-Income Families to Inform a Life Skills-Based Obesity Intervention. AB - BACKGROUND: This article describes the formative research undertaken to explore challenges of low-income parents of 3-to 5-year-olds to inform a parent-focused life skills-based intervention to prevent obesity in preschool-aged children. METHOD: A total of 40 parents completed surveys, 30 parents participated in focus groups, and 5 community stakeholders participated in individual interviews. In each data mode, participants were asked to prioritize a list of challenges centered on parenting, family care, and self-care. Survey data were analyzed descriptively using SAS, while focus groups and interviews were analyzed for emerging themes using ATLAS.ti. RESULTS: Parents reported needing strategies for managing children's behavior around picky eating, limits/boundaries, tantrums, and routines. Challenges with child behavior management were compounded by parents' inability to find affordable fun family activities outside the home and difficulties in communicating childrearing expectations to coparents/relatives who assisted with child care. Added to these were other competing priorities (e.g., financial) that led to the neglect of self, including the inability to find "me" time, build relationships, and care for one's health. CONCLUSIONS: Interventions that address parenting, family care and self-care challenges of low income parents may enhance resilience and support positive changes that can promote healthy development in children, including obesity prevention. PMID- 29216758 TI - Iron Age Italic population genetics: the Piceni from Novilara (8th-7th century BC). AB - BACKGROUND: Archaeological data provide evidence that Italy, during the Iron Age, witnessed the appearance of the first communities with well defined cultural identities. To date, only a few studies report genetic data about these populations and, in particular, the Piceni have never been analysed. AIMS: To provide new data about mitochondrial DNA (mtDNA) variability of an Iron Age Italic population, to understand the contribution of the Piceni in shaping the modern Italian gene pool and to ascertain the kinship between some individuals buried in the same grave within the Novilara necropolis. SUBJECTS AND METHODS: In a first set of 10 individuals from Novilara, we performed deep sequencing of the HVS-I region of the mtDNA, combined with the genotyping of 22 SNPs in the coding region and the analysis of several autosomal markers. RESULTS: The results show a low nucleotide diversity for the inhabitants of Novilara and highlight a genetic affinity of this ancient population with the current inhabitants of central Italy. No family relationship was observed between the individuals analysed here. CONCLUSIONS: This study provides a preliminary characterisation of the mtDNA variability of the Piceni of Novilara, as well as a kinship assessment of two peculiar burials. PMID- 29216759 TI - Pharmaceutical potential of quantum dots. AB - Quantum dots (QDs) or fluorescent nanocrystals are designed nanoparticles that are promising for several biological and bio-medical applications as well as drug delivery and simultaneous cellular imaging. QD's have exhibited promising potential primarily in receptor based targeting as a result of their distinctive physicochemical properties. Functionalized QDs (f-QDs) have been developed as effective, safe, nano-sized smart systems to deliver a wide range of bio-actives. Surface modified fluorescent carbon QDs with surface modification have attracted attention as targeting ligand to accomplish cellular targeting with enhanced specificity. Several surface engineered and conjugated fluorescent carbon QDs are presently being explored for the treatment of cancer and the outcome is eagerly awaited. PMID- 29216760 TI - Intraoperative Mannitol Not Essential During Partial Nephrectomy. AB - OBJECTIVE: Intraoperative mannitol is routinely administered for renoprotection in partial nephrectomy (PN). However, there is a paucity of evidence supporting mannitol's renoprotective effect. We performed a retrospective study of mannitol's efficacy in PN. MATERIALS AND METHODS: Using an institutional database, patients undergoing PN from 2006 to 2016 were retrospectively identified and divided into two groups based on mannitol use. Cases with missing serum creatinine measurements were excluded. Mannitol use was dependent on surgeon preference. An independent-samples t-test was used to compare 6-month postoperative estimated glomerular filtration rate (eGFR) between mannitol groups and to compare 6-month eGFR between mannitol dose for patients who received mannitol. Multivariate linear regression was used to estimate 6-month eGFR when adjusting for multiple covariates that were considered clinically relevant to postoperative renal function. RESULTS: Of the patients, 476 patients were eligible for analysis and 286 received mannitol. Preoperative eGFR (7.8 +/- 21.4 mL/minute/1.73 m2 vs 75.3 +/- 23.1 mL/minute/1.73 m2, p = 0.223) and tumor size (3.5 +/- 1.7 cm vs 3.4 +/- 1.5 cm, p = 0.532) were matched between the mannitol (M+) and no mannitol (M-) groups, whereas warm ischemic time (22.5 +/- 11.2 minutes vs 15.0 +/- 10.2 minutes, p < 0.001) was longer in the M+ group. There was no significant difference in 6-month eGFR between mannitol groups (70.6 +/- 22.2 mL/minute/1.73 m2 vs 68.0 +/- 23.9 mL/minute/1.73 m2, p = 0.225). No significant association between mannitol dose and 6-month eGFR was found. Covariates that significantly predicted 6-month eGFR in our multivariate model were age (beta = 0.052, p = 0.042) and preoperative eGFR (beta = 0.843, p < 0.001). In addition, neither the use of renal cooling nor the surgical approach (open vs minimally invasive) was significantly associated with 6-month eGFR. CONCLUSION: Mannitol did not demonstrate renoprotective effects based on analysis of 6-month postoperative eGFR. In addition, neither the surgical approach nor the use of renal cooling significantly predicted postoperative renal function. PMID- 29216761 TI - Efficient Therapeutic Protein Expression Using Retroviral Replicating Vector with 2A Peptide in Cancer Models. AB - Toca 511, a retroviral replicating vector (RRV), uses an internal ribosomal entry site (IRES) to express an optimized yeast cytosine deaminase (yCD2), which converts 5-fluorocytosine to 5-fluorouracil. This configuration is genetically stable in both preclinical mouse models and human clinical trials. However, the use of IRES (~600 bp) restricts choices of therapeutic transgenes due to limits in RRV genome size. This study replaced IRES with 2A peptides derived from picornaviruses with or without a GSG linker. The data show that GSG-linked 2A (g2A) peptide resulted in higher polyprotein separation efficiency than non-GSG linked 2A peptide. The study also shows that RRV can tolerate insertion of two separate 2A peptides to allow expression of two transgenes without compromising the assembly and function of the virus in addition to insertion of a single 2A peptide to confirm genetic stability with yCD2, green fluorescent protein, and HSV-1 thymidine kinase. In a parallel comparison of the RRV-IRES-yCD2 and RRV-g2A yCD2 configurations, the study shows the yCD2 protein expressed from RRV-g2A-yCD2 has higher activity, resulting in a higher survival benefit in an intracranial tumor mouse model. These data enable a wider range of potential product candidates that could be developed using the RRV platform. PMID- 29216762 TI - Protective effect of astaxanthin on acute cerebral infarction in rats. AB - The aim of the study was to investigate the effect of astaxanthin and its possible mechanisms on acute cerebral infarction (ACI) in rat model. Male Sprague Dawley rats were randomly divided into sham group, model group, and astaxanthin treated groups (20, 40, and 80 mg/kg). Neurological examination, the ratio of cerebral edema, and histopathology changes were assessed. Moreover, some oxidative stress markers were obtained for biochemical analysis, and the expression of neurotrophic factors gene was detected by real-time polymerase chain reaction (RT-PCR) method. The results showed that treatment with astaxanthin notably reduced neurological deficit scores and the ratio of cerebral edema compared with the model group. Meanwhile, astaxanthin increased the activity of catalase, superoxide dismutase, and glutathioneperoxidase as well as decreased the content of malondialdehyde in brain tissue. RT-PCR results showed that the expression of brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) mRNA were increased with astaxanthin treatment. The results indicated that astaxanthin could ameliorate ACI followed by suppressing oxidative stress and upregulating the expression of BDNF and NGF mRNA. PMID- 29216763 TI - Upregulated miR-29c suppresses silica-induced lung fibrosis through the Wnt/beta catenin pathway in mice. AB - Silicosis is an irreversible lung disease resulting from long-term inhalation of occupational dust containing silicon dioxide. However, the pathogenesis of silicosis has not been clearly understood yet. Accumulating evidence suggests that miR-29 may have a significant anti-fibrotic capacity, meanwhile it may relate to Wnt/beta-catenin pathway. The purpose of this study was to discuss the role of miR-29 in the progression of silicosis. A lentiviral vector was constructed, named Lv-miR-29c, which was overexpressing miR-29c. In vivo, intratracheal treatment with Lv-miR-29c significantly increased expression of miR 29c, and reduced expression of beta-catenin, matrix metalloproteinase (MMP)-2, and MMP-9 in the lung and levels of transforming growth factor-beta 1 (TGF-beta1) and interleukin-6 (IL-6) in bronchoalveolar lavage fluid, and notably attenuated pulmonary fibrosis as evidenced by hydroxyproline content in silica-administered mice. These results indicated that miR-29c inhibited the development of silica induced lung fibrosis. Thus, miR-29c may be a candidate target for silicosis treatment via its regulation of the Wnt/beta-catenin pathway. PMID- 29216764 TI - Quantifying the Center of Elbow Rotation: Implications for Medial Collateral Ligament Reconstruction. AB - BACKGROUND: Medial collateral ligament (MCL) reconstruction of the elbow mandates precise characterization of where the centerline of elbow rotation projects onto the medial epicondyle (ME). A muscle-splitting approach allows the flexor pronator muscles to remain attached to the ME and facilitates visualization of the MCL remnant, the sublime tubercle, and the ulnohumeral joint line. Knowledge of where the centerline of rotation intersects the ME relative to the ulnohumeral joint line may assist the surgeon during placement of the proximal drill hole. METHODS: Models were created from the computed tomography scans of 29 normal elbows. The centerline of rotation, center of the trochlea, sublime tubercle, and ulnohumeral joint line were identified. Measurements were taken from the ulnohumeral joint line to the center of the trochlea and to the centerline of rotation in the sagittal view and along the course of the MCL. RESULTS: The centerline of rotation intersected the ME in a consistent location. With the elbow flexed 90 degrees , the trochlea center and the centerline of rotation are essentially in line with each other. There are significant differences between the distances from the ulnohumeral joint line to the center of the trochlea and to the centerline of rotation in both the sagittal view and along the course of the MCL. CONCLUSIONS: The centerline of rotation is located 14.31 mm (1.70) from the ulnohumeral joint line in the sagittal view and 16.54 mm (2.09) from the ulnohumeral joint line along the course of the MCL. PMID- 29216765 TI - Using the Intervention Mapping and Behavioral Intervention Technology Frameworks: Development of an mHealth Intervention for Physical Activity and Sedentary Behavior Change. AB - Few interventions to promote physical activity (PA) adapt dynamically to changes in individuals' behavior. Interventions targeting determinants of behavior are linked with increased effectiveness and should reflect changes in behavior over time. This article describes the application of two frameworks to assist the development of an adaptive evidence-based smartphone-delivered intervention aimed at influencing PA and sedentary behaviors (SB). Intervention mapping was used to identify the determinants influencing uptake of PA and optimal behavior change techniques (BCTs). Behavioral intervention technology was used to translate and operationalize the BCTs and its modes of delivery. The intervention was based on the integrated behavior change model, focused on nine determinants, consisted of 33 BCTs, and included three main components: (1) automated capture of daily PA and SB via an existing smartphone application, (2) classification of the individual into an activity profile according to their PA and SB, and (3) behavior change content delivery in a dynamic fashion via a proof-of-concept application. This article illustrates how two complementary frameworks can be used to guide the development of a mobile health behavior change program. This approach can guide the development of future mHealth programs. PMID- 29216766 TI - Vanillin mitigates the adverse impact of cisplatin and methotrexate on rat kidneys. AB - The present study investigated the probable protective effect of vanillin (VLN) against kidney injury induced by cisplatin (CSN) and methotrexate (MTX) in rats. The rats received a single injection of either CSN (7.5 mg/kg, i.p.) or MTX (20 mg/kg, i.p.). VLN treatment (150 mg/kg/day, i.p.) was started 1 day before administration of the nephrotoxic agents and continued for 7 days. Both CSN and MTX significantly increased serum creatinine, cystatin C, and neutrophil gelatinase-associated lipocalin and kidney tissue renal malondialdehyde, inducible nitric oxide synthase, tumor necrosis factor-alpha, interleukin-18, nuclear factor-kappaB p65, cytosolic cytochrome C, and caspase-3 and significantly decreased renal total antioxidant capacity and Bcl-2/Bax ratio in rats. VLN significantly ameliorated the changes of biochemical parameters induced by CSN and MTX. VLN also significantly reduced CSN- and MTX-induced histopathological injury and the expression of Fas ligand in rat kidneys. In conclusion, VLN significantly protected against CSN- and MTX-induced kidney injury in rats by inhibiting oxidative/nitrosative stress, inflammation, and apoptosis. PMID- 29216768 TI - A mysterious case of complex regional pain syndrome in a 9-year-old girl. AB - PURPOSE: To describe the clinical manifestation and the treatment of complex regional pain syndrome type II in childhood. METHODS: Using information on the symptoms, diagnosis, rehabilitation and outcome of a young patient with complex regional pain syndrome type II. RESULTS: A 9-year -old girl had severe pain in the region of the left foot, signs of a common fibular nerve entrapment, hyperalgesia not limited to the distribution of the injured nerve, weakness and temperature asymmetry unknown origin. She consulted few doctor's before she was given the right diagnosis of complex regional pain syndrome type II. Following the diagnosis the treatment started, it included intensive physiotherapy, electrical therapy and also supportive psychological therapy. Half a year later, the patient was free of the daily pain and returned to all physical activity without any restrictions. CONCLUSIONS: The case report illustrates that peripheral nerve compression or injuries specifically, complex regional pain syndrome type II, should be taken into consideration when evaluating children with weakness and pain of the lower or upper limb. Implication of rehabilitation Raising the awareness of complex regional pain syndrome in the childhood is essential for an early diagnosis and appropriate treatment. The treatment options include early and adequate pain management inclusive electrical therapy and physiotherapy. Psychological therapy helps to avoid psychological stress reaction and the disease negative impact on the child's education and sports and the family social life. PMID- 29216767 TI - Prevalence and factors associated with gluten sensitivity in inflammatory bowel disease. AB - OBJECTIVES: Gluten sensitivity (GS) arises with celiac disease and has also been found in non-celiac disorders, although its characteristics in inflammatory bowel disease (IBD) are unclear. This study evaluated the prevalence of GS and factors associated with GS in IBD. METHODS: Adult IBD patients at a tertiary-care medical center completed a survey of their demographics, medical history, family history, social history and symptoms. Data on IBD characteristics were abstracted from the medical records. Descriptive analyses estimated the prevalence of GS. Multivariable logistic regression assessed the association between GS and patient or disease factors. RESULTS: Of 102 IBD patients (55 Crohn's disease [CD], 46 ulcerative colitis [UC] and 3 IBD-unclassified), GS was reported in 23.6 and 27.3% of CD and UC patients, respectively. Common symptoms included fatigue, abdominal pain, diarrhea, bloating and hematochezia. There was no difference in these symptoms when comparing patients with and without GS. When evaluating IBD related factors, GS was associated with having had a recent flare (adjusted odds ratio [aOR] 7.4; 95% confidence interval [CI] 1.6-34.1), stenotic disease in CD (aOR 4.7; 95% CI 1.1-20.2) and dermatologic manifestations (aOR 5.5; 95% CI 1.2 24.1). CONCLUSION: GS was common in IBD and associated with having had a recent flare. GS may be transient for some patients, whereby dietary recommendations during and after a flare could focus on the avoidance of specific food triggers with possible reintroduction of these foods over time. This study prompts further prospective investigation into the temporal evolution of GS in IBD. PMID- 29216769 TI - Zinc prevents mitochondrial superoxide generation by inducing mitophagy in the setting of hypoxia/reoxygenation in cardiac cells. AB - Zinc plays a role in autophagy and protects cardiac cells from ischemia/reperfusion injury. This study aimed to test if zinc can induce mitophagy leading to attenuation of mitochondrial superoxide generation in the setting of hypoxia/reoxygenation (H/R) in cardiac cells. H9c2 cells were subjected to 4 h hypoxia followed by 2 h reoxygenation. Under normoxic conditions, treatments of cells with ZnCl2 increased both the LC3-II/LC3-I ratio and GFP-LC3 puncta, implying that zinc induces autophagy. Further experiments showed that endogenous zinc is required for the autophagy induced by starvation and rapamycin. Zinc down-regulated TOM20, TIM23, and COX4 both in normoxic cells and the cells subjected to H/R, indicating that zinc can trigger mitophagy. Zinc increased ERK activity and Beclin1 expression, and zinc-induced mitophagy was inhibited by PD98059 and Beclin1 siRNA during reoxygenation. Zinc-induced Beclin1 expression was reversed by PD98059, implying that zinc promotes Beclin1 expression via ERK. In addition, zinc failed to induce mitophagy in cells transfected with PINK1 siRNA and stabilized PINK1 in mitochondria. Moreover, zinc induced PINK1 stabilization was inhibited by PD98059. Finally, zinc prevented mitochondrial superoxide generation and dissipation of mitochondrial membrane potential (DeltaPsim) at reoxygenation, which was blocked by both the Beclin1 and PINK1 siRNAs, suggesting that zinc prevents mitochondrial oxidative stress through mitophagy. In summary, zinc induces mitophagy through PINK1 and Beclin1 via ERK leading to the prevention of mitochondrial superoxide generation in the setting of H/R. Clearance of damaged mitochondria may account for the cardioprotective effect of zinc on H/R injury. PMID- 29216770 TI - Maternal age over 40 years and pregnancy outcome: a hospital-based survey. AB - OBJECTIVE: Increased risk for adverse pregnancy outcomes with advancing maternal age has been described but the strength of association remains debated, particularly in presence of confounding factors such as parity, twin pregnancy and pregnancy from assisted reproductive technologies. The aim of this study was to evaluate pregnancy outcomes in a large cohort of women aged over 40 years. The hypothesis was that advanced maternal age may be an independent risk factor for adverse pregnancy outcome. STUDY DESIGN: We reviewed the clinical records of 56,211 women who delivered at Sant'Anna University Hospital, Turin, Italy, in the period between 2009 and 2015. Of these, 3798 women aged over 40 years were divided into two age groups (40 - 44 years and >=45 years). Women of any parity, with singleton or twin pregnancies, or with assisted reproductive technology pregnancies were included. Women aged less than 40 years were considered as controls. Primary outcome measures were maternal and perinatal complications. Comparisons were performed using Chi-square test and Fisher's exact test. Univariate analysis and logistic regression analysis were performed to test the possible independent role of maternal age as a risk factor for adverse pregnancy outcome. RESULTS: Maternal age was an independent risk factor for gestational diabetes (age 40-44 years: odds ratios (OR) 2.10, 95% CI 1.80-2.45; age >=45 years: OR 2.83, 95% CI 1.79-4.46) and early-onset preeclampsia (age 40-44 years: OR 2.10, 95% CI 1.63-2.70; age >=45 years: OR 3.16, 95% CI 1.68-5.94). The risk for placenta praevia was higher in the women aged 40-44 years (OR 1.87, 95% CI 1.36-2.57). Neonatal outcomes were similar among groups, except for the rate of birth weight less than 2500 g, which was higher in women aged 40-44 years (OR 1.27, 95% CI 1.12-1.42). However, older women showed an overall higher incidence of preterm birth. CONCLUSIONS: Maternal age over 40 years is an independent risk factor for adverse pregnancy outcomes, particularly for the mother. Pregnancies in women over 40 years should be considered at risk and carefully monitored with individualized care protocols. PMID- 29216771 TI - Survey of the functional priorities in patients with disability due to neuromuscular disorders. AB - TITLE: Survey of the functional priorities in patients with disability due to neuromuscular disorders. OBJECTIVE: This study attempts to determine the functional priorities for patients with neuromuscular disorders. METHODS: A survey asking about functional priorities with respect to activities of daily living, ankle foot orthotic design, and assistive device design, was distributed to patients with neuromuscular disorders to assess the needs of patients from their perspectives. Descriptive statistics were used to analyse answers. RESULTS: A total of 171 subjects with neuromuscular disorders responded to the questionnaire. Of the respondents with weakness in both the upper and lower extremities, 45% stated that if they had to choose between correction of one or the other, they would prefer that of their lower extremities. Activities that patients most frequently wanted to gain independence with were mobility and transfers (46%), followed by toilet use and hygiene (32%). The most popular control mechanism of an assistive device was voice activation (35%). CONCLUSION: This study assessed the functional priorities of those with neuromuscular disorders. Although such individuals can experience a range of weakness in the upper and/or lower extremities, common functional priorities were reported: independence with mobility, transfers, toilet use and hygiene. Knowledge of these priorities will help guide development of assistive devices that will restore function in the future. Implications for Rehabilitation Neuromuscular Disorders * Neuromuscular disorders result in disabling weakness; there are few cures and many are unable to carry out activities of daily living. * Information that would be helpful in determining functional priorities is limited. * In a survey of 171 patients with neuromuscular disorders, functional priorities included mobility and transfers (46%), followed by toilet use and hygiene (32%). * Of the respondents with weakness in both the upper and lower extremities, 45% stated that if they had to choose between correction of one or the other, they would prefer that of their lower extremities. * If an assistive device were to be created to help those with neuromuscular disorders, the most popular control mechanism would be voice activation (35%). PMID- 29216772 TI - Proteomic Cinderella: Customized analysis of bulky MS/MS data in one night. AB - Proteomic challenges, stirred up by the advent of high-throughput technologies, produce large amount of MS data. Nowadays, the routine manual search does not satisfy the "speed" of modern science any longer. In our work, the necessity of single-thread analysis of bulky data emerged during interpretation of HepG2 proteome profiling results for proteoforms searching. We compared the contribution of each of the eight search engines (X!Tandem, MS-GF[Formula: see text], MS Amanda, MyriMatch, Comet, Tide, Andromeda, and OMSSA) integrated in an open-source graphical user interface SearchGUI ( http://searchgui.googlecode.com ) into total result of proteoforms identification and optimized set of engines working simultaneously. We also compared the results of our search combination with Mascot results using protein kit UPS2, containing 48 human proteins. We selected combination of X!Tandem, MS-GF[Formula: see text] and OMMSA as the most time-efficient and productive combination of search. We added homemade java script to automatize pipeline from file picking to report generation. These settings resulted in rise of the efficiency of our customized pipeline unobtainable by manual scouting: the analysis of 192 files searched against human proteome (42153 entries) downloaded from UniProt took 11[Formula: see text]h. PMID- 29216773 TI - Foreword. PMID- 29216774 TI - Chinese fetal biometry: reference equations and comparison with charts from other populations. AB - OBJECTIVE: This study aimed to construct new reference charts and equations for fetal biometry from Chinese fetuses at 15-40 weeks and to compare them with previous references. METHOD: This was a prospective, cross-sectional study of singleton pregnancies in patients with a confirmed gestational age who underwent ultrasound examinations between the 15th and 40th weeks of gestation. Each woman was selected only once for this study. Biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), and femur length (FL) were recorded. For each measurement, separate regression models were fitted to estimate the mean and standard deviation at each menstrual age. Z-scores were calculated with our reference equations for comparison with other references. RESULTS: New charts and reference equations involving 7553 Chinese women were created for BPD, HC, AC, and FL. Reference equations were cubic models. Prediction intervals for the new reference charts were similar to those of previous references, but with some slight differences. The main difference in our fetal biometric measurements compared with those of Korea and Hong Kong was the FL. CONCLUSIONS: We report new Chinese reference charts and equations for fetal biometry. These reference charts and equations are available for clinical use in obstetric ultrasound studies for the Chinese population. PMID- 29216775 TI - Value of ultrasound in diagnosis of radial nerve palsy with hourglass-like constrictions without extrinsic compression: a case report. PMID- 29216776 TI - The hand injury caused by cutting avocado in 18 patients. PMID- 29216777 TI - The long and winding road: stem cells for cystic fibrosis. AB - INTRODUCTION: Cystic fibrosis (CF) is a genetic syndrome with a high mortality rate due to severe lung disease. Despite having several drugs targeting specific mutated CFTR proteins already in clinical trials, new therapies, based on stem cells, are also emerging to treat those patients. Areas covered: The authors review the main sources of stem cells, including embryonic stem cells (ESCs), induced-pluripotent stem cells (iPSCs), gestational stem cells, and adult stem cells, such as mesenchymal stem cells (MSCs) in the context of CF. Furthermore, they describe the main animal and human models of lung physiology and pathology, involved in the optimization of these stem cell-applied therapies in CF. Expert opinion: ESCs and iPSCs are emerging sources for disease modeling and drug discovery purposes. The allogeneic transplant of healthy MSCs, that acts independently to specific mutations, is under intense scrutiny due to their secretory, immunomodulatory, anti-inflammatory and anti-bacterial properties. The main challenge for future developments will be to get exogenous stem cells into the appropriate lung location, where they can regenerate endogenous stem cells and act as inflammatory modulators. The clinical application of stem cells for the treatment of CF certainly warrants further insight into pre-clinical models, including large animals, organoids, decellularized organs and lung bioengineering. PMID- 29216778 TI - Costs and effectiveness of hearing conservation programs at 14 US metal manufacturing facilities. AB - OBJECTIVE: This study characterised overall and specific costs associated with hearing conservation programmes (HCPs) at US metal manufacturing sites, and examined the association between these costs and several noise-induced hearing loss (NIHL) outcomes. DESIGN: We interviewed personnel and reviewed records at participating facilities. We also measured noise for comparison to the ten-year average of measurements made by each facility. NIHL outcomes assessed included rates of standard threshold shifts (STS) and high-frequency hearing loss, as well as prevalence of hearing impairment, for each participating facility. We used linear regression to identify per-person HCP costs that best predicted the NIHL outcomes. STUDY SAMPLE: We evaluated 14 US metal manufacturing facilities operated by a single company. RESULTS: Annual HCP costs ranged from roughly $67,000 to $397,000 (average $308 +/- 80 per worker). Our full-shift noise measurements (mean 83.1 dBA) showed good agreement with the facilities' measurements (mean 82.6 dBA). Hearing impairment prevalence was about 15% overall. Higher expenditures for training and hearing protector fit-testing were significantly associated with reduced STS prevalence. Higher training expenditures were also related to lower hearing impairment prevalence and high frequency hearing loss rates. CONCLUSIONS: HCP costs were substantial and variable. Increased workplace spending on training and fit-testing may help minimise NIHL. PMID- 29216779 TI - The plaque and gingivitis inhibiting capacity of a commercially available mouthwash containing essential oils and ethyl lauroyl arginate. A randomized clinical trial. AB - OBJECTIVE: A commercially available mouth rinse with ethyl lauroyl arginate and essential oils claims to have better antimicrobial properties than the traditional essential oil products. The aim of this study was to compare the plaque and gingivitis inhibiting effect of the commercial product containing essential oils with ethyl lauroyl arginate with one placebo and one negative control in a modified experimental gingivitis model. MATERIALS AND METHODS: In three groups of healthy volunteers, experimental gingivitis was induced and monitored over 21 d, simultaneously treated with the commercial test solution, 21.6% hydro-alcohol solution and sterile water, respectively. The maxillary right quadrant of each individual received mouthwash only, whereas the maxillary left quadrant was subject to both rinsing and mechanical oral hygiene. Compliance and side effects were monitored at d 7, 14, and 21. Plaque and gingivitis scores were obtained at baseline and d 21. RESULTS AND CONCLUSION: Although the commercial product containing essential oils with ethyl lauroyl arginate performed statistically significantly better regarding average plaque scores on all surfaces combined than the placebo (p = .018) and negative control (p = .003) when no mechanical tooth cleaning was performed, the product still left the patient with enough plaque to cause gingivitis and thus seemed of questionable clinical benefit to the patient. ClinicalTrials.gov Identifier is NCT02884817. PMID- 29216780 TI - Using cost-analyses to inform health professions education - The economic cost of pre-clinical failure. AB - BACKGROUND: Student failure creates additional economic costs. Knowing the cost of failure helps to frame its economic burden relative to other educational issues, providing an evidence-base to guide priority setting and allocation of resources. The Ingredients Method is a cost-analysis approach which has been previously applied to health professions education research. In this study, the Ingredients Method is introduced, and applied to a case study, investigating the cost of pre-clinical student failure. METHODS: The four step Ingredients Method was introduced and applied: (1) identify and specify resource items, (2) measure volume of resources in natural units, (3) assign monetary prices to resource items, and (4) analyze and report costs. Calculations were based on a physiotherapy program at an Australian university. RESULTS: The cost of failure was L5991 per failing student, distributed across students (70%), the government (21%), and the university (8%). If the cost of failure and attrition is distributed among the remaining continuing cohort, the cost per continuing student educated increases from L9923 to L11,391 per semester. CONCLUSIONS: The economics of health professions education is complex. Researchers should consider both accuracy and feasibility in their costing approach, toward the goal of better informing cost-conscious decision-making. PMID- 29216781 TI - Comparative analyses of species delimitation methods with molecular data in snappers (Perciformes: Lutjaninae). AB - The integration of approaches that allow the incorporation of stochasticity of gene histories with phylogenetic methods resulted in new approaches for the old issue of species delimitation. Nevertheless, coalescent methods seem problematic for taxa with large effective population size and shallow temporal diversification (like marine fishes). Here, we investigate the performance of single-locus (cytochrome oxidase 1, commonly used in DNA barcoding initiatives) methods for molecular species delimitation in snappers of Lutjaninae from the Western Atlantic and Pacific Eastern. Our results show incongruences among methods. ABGD, PTP and mPTP trend towards a lower number of estimated species. Phylogenetic-coalescent methods with single threshold were majority congruent for a same number of lineages. On the other hand, algorithms with multiple thresholds tend to estimate a higher number of potential species. We do not endorse the use of single-locus for species delimitation, but we do reinforce that single-locus data is sufficient to flag many problems. PMID- 29216782 TI - Reduction in Central Line-Associated Bloodstream Infections Correlated With the Introduction of a Novel Silver-Plated Dressing for Central Venous Catheters and Maintained for 6 Years. AB - OBJECTIVE: To assess a novel silver-plated dressing (SD) for central venous catheters in comparison to chlorhexidine gluconate-impregnated sponge (CHGIS) dressings in preventing central line-associated bloodstream infections (CLABSIs) in adult intensive care unit (ICU) patients. DESIGN: Retrospective cohort study. SETTING: Tampa General Hospital, an academic medical tertiary care center. PATIENTS: All adult ICU patients of an academic medical tertiary care center from January 2009 to December 2010. MEASUREMENTS AND MAIN RESULTS: A total of 3189 patient records were studied from 7 different ICUs during the 2-year period. Patients received either CHGIS dressings (January 2009-December 2009) or SDs (January 2010-December 2010). Primary outcomes measured were CLABSI rates per 1000 catheter days and ICU length of stay. There were 30 696 catheter days with CHGIS dressings and 31 319 catheter days with SDs. There was a statistically significant decrease in the rate of CLABSI per 1000 catheter days in the SD group, from 2.38 to 1.28 ( P = .001), with an absolute risk reduction of 1.1. There was a significantly lower incidence in the rate of CLABSI per 1000 catheter days in the SD group (incidence rate ratio [IRR] = 0.54, 95% confidence interval [CI]: 0.36-0.80). The relative risk of CLABSI in the SD group was 0.502 (95% CI: 0.340-0.730; P < .001). If SDs are used on all catheters, the decreased rate of CLABSIs observed would calculate to a cost savings of US$4070 to US$39 600 per 1000 catheter days. After successful implementation of the SD, we observed significant reductions in CLABSI rates and a sustained reduction in the subsequent 6 years. CONCLUSION: Use of SDs is associated with a significant decrease in CLABSI rates in adult ICU patients compared to CHGIS dressings, with an estimated cost savings of US$4070 to US$39 600 per 1000 catheter days. PMID- 29216783 TI - Moving towards improved vaccines for Toxoplasma gondii. AB - INTRODUCTION: Toxoplasma gondii is an intracellular parasitic protozoan that infects almost all warm-blooded animals and humans, resulting in threats to public health and economic losses. Despite continuous research efforts, there are still very few effective strategies against toxoplasmosis. In the past few years, numerous vaccination experiments have been performed to control T. gondii infection. Areas covered: In this review, the authors summarize the development of T. gondii vaccines with proper adjuvants, ranging from live or live-attenuated vaccines to protein vaccines, DNA vaccines, epitope vaccines and novel vaccines. They also highlight the challenges involved in the development of T. gondii vaccines, including specific impediments and shortcomings. Expert opinion: Moving towards the development of effective vaccines against T. gondii is not only a tedious mission but also a difficult challenge. Future studies should consider new approaches and strategies for vaccine development, particularly novel vaccines and genetic adjuvants, as well as optimizing immunization protocols and evaluation criteria. PMID- 29216784 TI - Evaluation of peripheral serotonin content and alpha2-adrenergic receptor function as potential markers for life-long recurrent depressive disorder by using methodological improvements. AB - OBJECTIVE: We aimed to evaluate the role and the relations between peripheral platelet serotonin content, blood plasma serotonin concentration and the function of platelet alpha2-adrenergic receptors (alpha2-AR) as potential state or trait biomarkers for recurrent depressive disorder (RDD). METHODS: 26 drug-free patients with life-long RDD and 31 healthy controls were included in the study. Several methodological improvements in blood collection and platelet isolation were implemented following the present standards in Haematology and Light transmission aggregometry. RESULTS: Our results have shown lower platelet serotonin content, higher plasma serotonin concentration and desensitization of platelet alpha2-AR in patients with RDD. The variables were found heterogeneous and mainly influenced by the clinical characteristics of the current episode. High amplitude of the alpha2-AR correlated with severe anxious symptoms and high platelet serotonin content (as well as low plasma serotonin levels) were associated with psychotic symptoms. CONCLUSIONS: The evaluated peripheral markers reflect only state (but not trait) abnormalities in patients with current severe episode of RDD. The observed peripheral alpha2-AR and serotonin abnormalities are mutually not related and they are probably triggered by different mechanisms. PMID- 29216785 TI - ORBIT score: an useful predictor of small bowel rebleeding in patients under chronic anticoagulation. AB - BACKGROUND AND STUDY AIMS: Available scoring systems to assess the risk for major bleeding in patients on chronic anticoagulation seem inadequate in predicting higher diagnostic yields of small bowel capsule endoscopy (SBCE) or higher rebleeding rates in patients with suspected small bowel bleeding. The aim of this study was to evaluate the ability of the new ORBIT score in predicting positive findings of SBCE or higher rebleeding rates in chronically anticoagulated patients with suspected small bowel bleeding. PATIENTS AND METHODS: Retrospective analysis of 570 patients who consecutively underwent SBCE for the study of suspected small bowel bleeding. For each of the 67 patients who were on chronic anticoagulation, ORBIT score (Older age, Reduced hemoglobin/hematocrit, Bleeding history, Insufficient kidney function and Treatment with antiplatelets) was calculated. Patients were classified as high-risk (ORBIT score >=4) or low/intermediate-risk (ORBIT score <4). Data on SBCE findings, diagnostic yield and rebleeding were compared between groups. RESULTS: When ORBIT score was calculated, 41 and 26 patients were classified as low/intermediate-risk and high risk, respectively. When low/intermediate-risk and high-risk groups were compared, no differences were found in the diagnostic yield of SBCE (39.0% vs. 23.1%; p = .176). However, in high-risk patients, rebleeding was significantly more common than in low/intermediate-risk patients (80.0% vs. 36.6%; p = .003). CONCLUSIONS: In patients presenting with suspected small bowel bleeding and on chronic anticoagulation, the new ORBIT score seems promising in identifying those with a higher risk of rebleeding, in whom a closer follow-up and a more aggressive diagnostic and therapeutic strategy is advisable. PMID- 29216786 TI - A study of single nucleotide polymorphisms in CD157, AIM2 and JARID2 genes in Han Chinese children with autism spectrum disorder. AB - PURPOSE: Autism spectrum disorder (ASD) is a group of developmental brain disorders caused by genetic and environmental factors. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) in genes related to immune function were associated with ASD in Chinese Han children. MATERIALS AND METHODS: A total of 201 children with ASD and 200 age- and gender matched healthy controls were recruited from September 2012 to June 2106. A TaqMan probe-based approach was used to genotype SNPs corresponding to rs28532698 and rs4301112 in CD157, rs855867 in AIM2, and rs2237126 in JARID2. Case-control and case-only studies were performed to determine the contribution of SNPs to the predisposition of disease and its severity, respectively. RESULTS: Our results revealed that the genotypes and allele frequencies of these SNPs were not significantly associated with childhood ASD and its severity in this population. CONCLUSIONS: Results of our study suggest that these SNPs are not predictors of childhood ASD in the Chinese Han population. The discrepant results suggest the predictor roles of SNPs have to be determined in different ethnic populations due to genetic heterogeneity of ASD. PMID- 29216787 TI - MEK inhibitors under development for treatment of non-small-cell lung cancer. AB - INTRODUCTION: The mitogen-activated protein kinase (MAPK) pathway is intimately implicated in the molecular pathogenesis of non-small-cell lung cancer (NSCLC). Aberrant MAPK signaling resulting from the upstream activating mutations converges on mitogen-activated protein kinase kinase 1/2 (MEK1/2), making MEK inhibition an attractive strategy for the treatment of NSCLC. Several MEK inhibitors have demonstrated anticancer activity in patients with NSCLC. Areas covered: In this article, we discuss the biological rationale for the use of MEK inhibitors and summarize the clinical experience with MEK1/2 inhibitors for the treatment of NSCLC, from initial phase I studies to phase II/III studies, both as monotherapy or in combination with other anticancer agents. Expert opinion: Trametinib in combination with the BRAF inhibitor dabrafenib represents the first MEK1/2 inhibitor containing regimen that is approved for advanced BRAFV600E mutant NSCLC. Other MEK1/2 inhibitors that are also in advanced stages of clinical development include selumetinib, cobimetinib, and binimetinib. Several studies of MEK inhibitor combination therapies are underway, including trials using combined MEK inhibition and immune checkpoint blockade. Further research aimed at discovering biomarkers of response and resistance to MEK1/2 inhibitors will be needed to develop rational combination strategies for the treatment of NSCLC driven by aberrant MAPK signaling. PMID- 29216788 TI - Insights into teaching a complex skill: Threshold concepts and troublesome knowledge in electroencephalography (EEG). AB - BACKGROUND: Threshold concepts (TCs) are defined as ideas within a discipline that are often conceptually difficult ("troublesome"), but when learned, transform a learner's understanding. Electroencephalography (EEG) has been recognized as a conceptually difficult field in neurology, and a study of threshold concepts in EEG may provide insights into how it is taught and learned. METHODS: Semi-structured interviews were performed with 12 EEG experts in the US and Canada. Experts identified potential TCs and troublesome knowledge, and explored how these concepts were taught and learned. Interview transcripts were coded and analyzed using a general thematic analysis approach, based on the core elements of the threshold concepts framework. RESULTS: One concept (polarity) emerged most clearly as a threshold concept. Other troublesome areas included pattern interpretation and clinical significance, but these lacked some of the characteristics of TCs. Several themes emerged, including the role of TCs and troublesome knowledge in determining expertise and the role of prior experience. CONCLUSIONS: We have used the threshold concepts framework to explore potential barriers to learning, suggest ways to support learners, and identify potential points of emphasis for teaching and learning EEG. A similar approach could be applied to the study of teaching and learning in other conceptually difficult areas of medical education. PMID- 29216789 TI - Open book exams: A potential solution to the "full curriculum"? AB - In this Personal View article, as curriculum designers, we consider whether there is a place for open book exams in Medical School curricula. Specifically, at a time when medical teachers complain about the difficulties of delivering a full curriculum, we propose that open book assessment approaches may help to free up the curriculum as learners become less reliant on memorizing facts. Moreover deeper learning of higher level outcomes can be achieved and more authentic assessment approaches undertaken. We also look at the recent literature and consider reasons, both for and against open book exams, at theoretical and practical levels. Though there are potential challenges with delivering an open book exam, we conclude that the benefits appear to outweigh these difficulties. As part of a balanced assessment strategy it may be necessary and timely to adopt open book exams. PMID- 29216790 TI - Dual Therapy Appears Superior to Monotherapy for Low-Income Individuals With Newly Diagnosed Type 2 Diabetes. AB - BACKGROUND: There are variable recommendations regarding initiating monotherapy or dual therapy in patients with newly diagnosed type 2 diabetes (T2D). Clear initial strategies are of particular importance in underserved settings where access to care and financial burdens are significant barriers. OBJECTIVES: To provide descriptive data of metabolic outcomes to therapy regimens for low-income individuals with newly diagnosed T2D placed on oral hypoglycemic agents (OAs). METHODS: We conducted a retrospective chart review of low-income individuals with newly diagnosed T2D initiated on OAs. We provided descriptive data and then evaluated the effects of OA regimens (ie, mono-, dual-, transition [from mono to dual or vice versa] therapy) on hemoglobin A1c (A1c) (baseline to 12 months). RESULTS: A total of 309 patients were included in the study. At 12 months, the mean decrease in A1c for the entire sample was -2.36% (9.37% to 7.01%). Patients prescribed dual therapy had a greater change of A1c compared to those taking monotherapy with metformin (-1.11%, P < .01). Patients who transitioned therapies did not differ in change of A1c compared to monotherapy. CONCLUSION: Initiation of dual therapy was superior to metformin monotherapy or transitioning therapies and may be preferred for low-income individuals with newly diagnosed T2D. PMID- 29216791 TI - The associations of two SNPs in miRNA-146a and one SNP in ZBTB38-RASA2 with the disease susceptibility and the clinical features of the Chinese patients of sCJD and FFI. AB - Prion diseases are a group of fatal neurodegenerative disorders that affect humans and animals. Besides of the pathological agent, prion, there are some elements that can influence or determine susceptibility to prion infection and the clinical phenotype of the diseases, e.g., the polymorphism in PRNP gene. Another polymorphism in ZBTB38-RASA2 has been observed to be associated with the susceptibility of sporadic Creutzfeldt-Jacob disease (sCJD) in UK. MicroRNAs are endogenous small noncoding RNAs that control gene expression by targeting mRNAs and triggering either translation repression or RNA degradation. In this study, two polymorphic loci in miR-146a (rs2910164 and rs57095329) and one locus in ZBTB38-RASA2 (rs295301) of 561 Chinese patients of sCJD and 31 cases of fatal familial insomnia (FFI) were screened by PCR and sequencing. Our data did not figure out any association of those three SNPs with the susceptibility of sCJD. However, a significant association of the SNP of rs57095329 in miR-146a showed the association with the susceptibility of FFI. Additionally, the SNP of rs57095329 showed statistical significances with the appearances of mutism and the positive of cerebrospinal fluid (CSF) protein 14-3-3 in sCJD patients, while the SNP of ZBTB38-RASA2 was significantly related with the appearance of myoclonus in sCJD patients. It indicates that the SNPs of ZBTB38-RASA2 and miR 146a are not associated with the susceptibility of the Chinese sCJD patients, but may influence the appearances of clinical manifestations somehow. PMID- 29216792 TI - Quadriceps muscle thickness changes in patients with aneurysmal subarachnoid hemorrhage during the acute phase. AB - Background Aneurysmal subarachnoid hemorrhage (aSAH) is a life-threatening condition that often leads to severe disability in relatively young and healthy people. This disability is physical in many aSAH survivors, so muscle dysfunction may be an important factor in the functional level of these patients. Thus, measuring muscle thickness represents a suitable method for determining muscle function in patients with acute aSAH, because the disordered consciousness often experienced during the acute phase causes active movement to be difficult for these patients. Objectives We investigated changes in quadriceps muscle thickness in patients with aneurysmal subarachnoid hemorrhage to determine whether muscle dysfunction during the acute phase relates to (or predicts) the outcome of aSAH. Methods Seventeen patients with aSAH (mean age = 66 +/- 11, men/women = 4/13) were enrolled, and their quadriceps muscle thickness measured ultrasonographically upon admission and again 2 weeks later. Results Quadriceps muscle thickness significantly decreased from admission (mean = 3.00 +/- 0.72 cm) to the second measurement (2.67 +/- 0.74 cm, p = 0.001). The relative differences in quadriceps muscle thickness were correlated with the Hunt and Hess grade (r = 0.72, p = 0.001) and the modified Rankin Scale score at 90 days (r = -0.78, p = 0.0002). Conclusions Our results indicate that quadriceps muscle thickness decreases in patients with acute aneurysmal subarachnoid hemorrhage, particularly in patients with poor Hunt and Hess grade or marked disability. PMID- 29216793 TI - Parametric study of patient-specific femoral locking plates based on a combined musculoskeletal multibody dynamics and finite element modeling. AB - A combined musculoskeletal multibody dynamics and finite element modeling was performed to investigate the effects of design parameters on the fracture-healing efficiency and the mechanical property of a patient-specific anatomically adjusted femoral locking plate. Specifically, the screw type, the thickness and material of the locking plate, the gap between two femoral fragments (fracture gap) and the distance between bone and plate (interface gap) were evaluated during a human walking. We found that the patient-specific locking plate possessed greater mechanical strength and more efficient fracture healing than the corresponding traditional plate. An optimal patient-specific femoral locking plate would consist of bicortical locking screws, Ti-6Al-4V material and 4.75-mm plate thickness with a fracture gap of 2 mm and an interface gap of 1 mm. The developed patient-specific femoral locking plate based on the patient-specific musculoskeletal mechanical environment was more beneficial to fracture rehabilitation and healing. The patient-specific design method provides an effective research platform for designing and optimizing the patient-specific femoral locking plate under realistic in vivo walking conditions, which can be extended to the design of other implants as well as to other physiological loading conditions related to various daily activities. PMID- 29216794 TI - Fragmented QRS complexes are associated with left ventricular dysfunction in patients with type-2 diabetes mellitus: a two-dimensional speckle tracking echocardiography study. AB - BACKGROUND: Heart failure may develop independently of coronary artery disease in diabetes mellitus (DM) patients. Fragmented QRS (fQRS) is a marker of myocardial fibrosis or scar tissue and is related to an increase in cardiovascular adverse events. In this study, we examined the utility of speckle tracking echocardiography (STE) in assessing LV function in DM patients with fQRS. METHODS AND RESULTS: The current study included 178 consecutive patients diagnosed with type-2 DM. The patients included were separated into two groups: those with (n = 50) and without (n = 128) fQRS. The two groups were compared by obtaining LV strain values with STE. Statistically significant differences were also identified between fQRS(-) and fQRS (+) groups with respect to Lv-GLS (p < .001), maxLAVI (p = .020), minLAVI (p < .001), E velocity (p < .001), Em velocity (0.002), E/Em ratio (<0.001) SRe (p < .001), SRe/SRa ratio (p < .001), SRivr (p < .001) and E/SRivr ratio (p < .001). In the multiple linear regression analysis, fQRS (beta = -2.077, p = .002) and DM duration (beta = -0.216, p = .021) were identified as independent predictors of Lv-GLS. However, fQRS (beta = 4.557, p = .001) and minLAVI (beta = -2.198, p = .031) were also found to be independent predictors of E/SRivr. We also performed multiple logistic regression analysis and identified Lv-GLS (beta = -0.557, p = .001), minLAVI (beta = -0.769, p = .001), E/Em ratio (beta = 0.650, p = .001) and E/SRivr (beta = 0.105, p = .001) as independent predictors of fQRS. Conclusions: The results of this study revealed that subclinical LV dysfunction was more common in diabetic patients with fQRS. Therefore, determination of fQRS could be an indicator of the diabetic CMP in patients with DM. PMID- 29216795 TI - Oxidative Stress And Prolidase Enzyme Activity In The Pathogenesis Of Primary Varicose Veins. AB - Objectives Vascular endothelial dysfunction leads to the emerging of free oxygen radicals, deficiency of antioxidant system, forming of oxidative stress, inflammatory processes and release of proinflammatory cytokines. These things play big role in the development of primary varicose veins. Prolidase has been reported as an indicator of oxidative stress in diabetes, diabetic neuropathy, non-ulcerous dyspepsia, osteoporosis, polycystic over syndrome and many other diseases. The aim of this study is to evaluate the oxidative stress at venous insufficiency and to provide preliminary knowledge about the role of prolidase enzyme in varicose vein formation. Methods Ninety patients aged between 22 and 80 (47.35 +/- 17.69) were included in the study and divided into 3 groups. Group1(n:30)(Serum control group): Patients without venous insufficiency. Group 2(n:30)(Tissue control group(healthy vein group): Patients underwent coronary artery bypass surgery (the remaining portion of great saphenous vein used as coronary artery bypass graft used as normal tissue) . Group 3(n:30)(Varicose vein group): Patients underwent varicose vein surgery (varicose vein and serum of these patients were used for study). Total Oxidant Status (TOS), Total Antioxidant Status (TAS), Oxidative Stress Index (OSI) and Prolidase enzyme levels were detected in tissue and serum samples. Results No significant changes were detected between three groups' serum samples in oxidative stress parameters and in the prolidase enzyme activity. The tissue TOS and OSI were higher in varicose vein group according to normal vein group and this was found statistically significant. And TAC levels in varicose vein group were significantly lower than normal vein group. Prolidase enzyme activity in varicose vein group was found higher according to normal vein group. Conclusion Oxidative stress plays a role at the development of primary varicose veins at biochemical level. Prolidase enzyme related with oxidative stress may play an important role in the pathogenesis of primary varicose veins. PMID- 29216797 TI - Mandibular condylar dimensions: Correlation between 3D tomography and dried skull measurements. AB - Objective Compare the anatomical dimensions of mandibular condyles with the same CBCT measurements. Methods Four landmarks were identified on the condyles of dried skulls and are measured with their corresponding areas in CBCT images: Right Width of Condyle (RW), Left Width of Condyle (LW), Right Length of Condyle (RL), and Left Length of Condyle (LL). Results With respect to direct measurements on the dry skulls, statistically significant differences were found between sexes (p < 0.001). When the real values were compared with the CBCT, it was observed that the bias depends on the magnitude of the measurement. It means that there is an underestimation for smaller values and an overestimation for larger values. Conclusion CBCT is reliable imaging modality, but when compared real measures of condyle length are more reliable then width. PMID- 29216798 TI - Associations Between Objectively Measured Physical Activity and Executive Functioning in Young Adults. AB - Associations between daily physical activity (PA) and executive functioning have rarely been investigated among young adults. This study examined these associations among 162 university students (74 females and 88 males; mean age = 19.0, SD = 1.1 years). We measured PA objectively, using hip-mounted accelerometers, and assessed executive functioning in a task-switching paradigm. Anthropometrics measurements were gathered using standardized procedures. Through linear regression modeling, we found moderate-to-vigorous physical activity (beta = -0.19, 95% CI = [-0.35, -0.03], p = .02) and light physical activity (beta = 0.17, 95% CI = [-0.34, -0.01], p = .04) to be associated with smaller global reaction time switch costs. Total PA was not associated with task-switching performance, and there were no statistically significant associations between PA indicators and local switch costs. As both moderate-to-vigorous and light physical activities were associated with better executive function in young adults, there can be important cognitive benefits to remaining physically active. PMID- 29216799 TI - Flavonoids as potent allosteric inhibitors of protein tyrosine phosphatase 1B: molecular dynamics simulation and free energy calculation. AB - Protein tyrosine phosphatase 1B (PTP1B) is a member of the PTP superfamily which is considered to be a negative regulator of insulin receptor (IR) signaling pathway. PTP1B is a promising drug target for the treatment of type 2 diabetes, obesity, and cancer. The existence of allosteric site in PTP1B has turned the researcher's attention to an alternate strategy for inhibition of this enzyme. Herein, the molecular interactions between the allosteric site of PTP1B with three non-competitive flavonoids, (MOR), (MOK), and (DPO) have been investigated. Three ligands were docked into allosteric site of the enzyme. The resulting protein-ligand complexes were used for molecular dynamics studies. Principal component and free-energy landscape (FEL) as well as cluster analyses were used to investigate the conformational and dynamical properties of the protein and identify representative enzyme substrates bounded to the inhibitors. Per residue energy decomposition analysis attributed dissimilar affinities of three inhibitors to the several hydrogen bonds and non-bonded interactions. In conclusion, our results exhibited an inhibitory pattern of the ligands against PTP1B. PMID- 29216800 TI - Vascular Ehlers-Danlos Syndrome With a Novel Missense COL3A1 Mutation Present With Pulmonary Complications and Iliac Arterial Dissection. AB - Vascular Ehlers-Danlos syndrome (vEDS) is a life-threatening connective tissue disorder due to its high tendency of arterial and organ rupture. Pulmonary complications in vEDS are rare. We present a young male patient with vEDS who developed severe pulmonary complications and severe rupture of the iliac artery at different stages of his life. Vascular Ehlers-Danlos syndrome was diagnosed based on clinical manifestations and confirmed by the identification of COL3A1 gene mutation. Due to high bleeding tendency and weak cardiopulmonary capacity, conservative treatment was taken for him. To our knowledge, this is the first report of vEDS case in which the patient developed both pulmonary complications and dissection of large arteries. Our report emphasizes the importance of considering vEDS when an adolescent develops unexplained pulmonary cysts with fragility of lung tissues. Genetic counseling and close monitoring should be performed for earlier diagnosis and prevention of severe complications of large arteries. The typical presentations of vEDS were also discussed by means of a review of case reports on vEDS with pulmonary complications. PMID- 29216801 TI - First Report of Prenatal Ascertainment of a Fetus With Homozygous Loss of the SOX10 Gene and Phenotypic Correlation by Autopsy Examination. AB - The SOX10 gene plays a vital role in neural crest cell development and migration. Abnormalities in SOX10 are associated with Waardenburg syndrome Types II and IV, and these patients have recognizable clinical features. This case report highlights the first ever reported homozygous loss of function of the SOX10 gene in a human. This deletion is correlated using family history, prenatal ultrasound, microarray analysis of amniotic fluid, and ultimately, a medical autopsy examination to further elucidate phenotypic effects of this genetic variation. Incorporating the use of molecular pathology into the autopsy examination of fetuses with suspected congenital anomalies is vital for appropriate family counseling, and with the ability to use formalin-fixed and paraffin-embedded tissues, has become a practical approach in autopsy pathology. PMID- 29216802 TI - Martha Wollstein of Babies Hospital in New York City (1868-1939)-The First North American Pediatric Pathologist. PMID- 29216803 TI - Neutrophil-mediated delivery of nanotherapeutics across blood vessel barrier. AB - Nanotherapeutics, nanoparticles (NPs) loaded with drugs, show the ability of tissue targeting, long circulation and low toxicity compared with free drugs. Endothelium lying the lumen of a blood vessel is a barrier to restrain tissue deposition of nanotherapeutics. Neutrophils, a type of white blood cells, migrate across endothelium during inflammation. There is an emerging concept that in situ targeting of neutrophils allows delivery of nanotherapeutics into deep tissues at disease sites. Here we summarize the recent advances in delivery of nanotherapeutics to inflammatory tissues or tumor microenvironments via neutrophil infiltration. The studies would shift the current paradigm of nanomedicine to biology-driven design of nanotherapeutics. [Formula: see text]. PMID- 29216804 TI - The use of alpha-fetoprotein for the treatment of autoimmune diseases and cancer. AB - Alpha-fetoprotein is a shuttle protein that delivers nutrients through receptor mediated endocytosis to embryotic cells. In adults, alpha-fetoprotein can shuttle drugs into alpha-fetoprotein receptor-positive myeloid-derived suppressor, regenerating and also cancer cells. Drugs with high-binding affinity to alpha fetoprotein can activate or deplete targeted cells. Myeloid-derived suppressor cells activation leads to immune suppression that can be used for treating autoimmune diseases. On the other hand, toxins delivered by alpha-fetoprotein can damage myeloid-derived suppressor cells and consequently unleash innate and adaptive immunity to destroy cancer cells. Innate immunity natural killers reduce cancer stem cells and metastases. The new alpha-fetoprotein drug noncovalent complexes for immunotherapy change the local immune balance and has potential in oncology, autoimmune and infectious diseases treatment, inflammation, transplantation, vaccination, etc. PMID- 29216805 TI - A review on recent technologies for the manufacture of pulmonary drugs. AB - This review discusses recent developments in the manufacture of inhalable dry powder formulations. Pulmonary drugs have distinct advantages compared with other drug administration routes. However, requirements of drugs properties complicate the manufacture. Control over crystallization to make particles with the desired properties in a single step is often infeasible, which calls for micronization techniques. Although spray drying produces particles in the desired size range, a stable solid state may not be attainable. Supercritical fluids may be used as a solvent or antisolvent, which significantly reduces solvent waste. Future directions include application areas such as biopharmaceuticals for dry powder inhalers and new processing strategies to improve the control over particle formation such as continuous manufacturing with in-line process analytical technologies. PMID- 29216806 TI - An industry update: the latest developments in therapeutic delivery. AB - This industry update covers the period from 1 September through 30 September 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. The month saw the US FDA approve three new molecular entities, Aliqopa (copanlisib dihydrochloride) (Bayer Healthcare); Solosec (secnidazole) (Symbiomix Therapeutics) and Verzenio (abemaciclib) (Eli Lilly and Co). Intarcia Therapeutics Inc. has its application for approval of a novel drug device combination of exenatide for the treatment of diabetes rejected by FDA but said that it will work to address the concerns and refile the application. The impact of biosimilars in the market is steadily increasing with seven biosimilars approved in the USA and Sandoz hoping to add to this with its announcement that FDA has accepted its Biologics License Application for a biosimilar version of Roche's Rituxan. Circassia announced positive top line results of a respiratory drug, Duaklir (for the treatment of chronic obstructive pulmonary disease) and Sarepta (for its new treatment for Duchenne muscular dystrophy). Axovant Sciences Ltd announced the failure if its drug Intepirdine in the treatment of Alzheimer's, adding to a growing list of drug failures in this area. There were a number of developments in the area of oncology with Bristol-Myers Squibb and Infinity Pharmaceuticals announcing an expansion of their collaboration looking at combination treatments, as well as Eli Lilly and Co's approval for Verzenio. Rani Therapeutics and Intra-Cellular Therapies announced successful funding rounds to support their drug programs. Allergan announced a novel licensing deal for its dry eye drug, Restasis, which it hopes would allow it to stave off patent challenges from several companies looking to develop generic versions of the drug. New research suggests that loss of sense of smell can be linked to an increased risk of developing Parkinson's disease. PMID- 29216807 TI - Ultrasound-triggered liposomes for on-demand local anesthesia. PMID- 29216808 TI - Welcome to volume 9 of Therapeutic Delivery. AB - Happy New Year to all of our readers! Welcome to volume 9 of Therapeutic Delivery. We would like to take the opportunity to look back over 2017, which was another excellent year for us. We thank all our readers, reviewers, authors and Editorial Board members for their continued support and very much look forward to working with all our contributors again in 2018. PMID- 29216809 TI - The Transliminal Self: The Ebb and Flow of the Kidney Transplant Experience. AB - For people with kidney disease, transplantation is considered a better treatment option than dialysis. A kidney transplant does not, however, ensure an illness free existence. Compared with the wealth of literature produced from a biomedical perspective, there is little qualitative research focused on the young adult transplant experience. This article presents the findings of a phenomenological study exploring young adults' kidney transplant experiences. Using a qualitative phenomenological approach, semidirected interviews were conducted with five people. Analysis of the transcribed interviews revealed that these individuals' kidney transplant experiences were paradoxical in nature: Participants described an existence between sickness and health, self and other, life and death. Consequently, liminality was identified as one of the experience's key elements and used together with the concept of rites of passage in its analysis. To incorporate these experiences, the term transliminal self is proposed. PMID- 29216810 TI - Effects of Valence on Hemispheric Specialization for Emotion Word Processing. AB - The use of emotion in language is a key element of human interactions and a rich area for cognitive research. The present study examined reactions to words of five types: positive emotion (e.g., happiness), negative emotion (e.g., hatred), positive emotion-laden (e.g., blessing), negative emotion-laden (e.g., prison), and neutral (e.g., chance). Words and nonwords were intermixed in a lexical decision task using hemifield presentation. Results revealed a general left hemisphere advantage. Overall, reaction times for positive words were faster than for negative or neutral words and this effect varied by hemifield of presentation. These results support a valence hypothesis of specialized processing in the left hemisphere of the brain for positive emotions and the right hemisphere for negative emotions. PMID- 29216811 TI - Phrase Lengths and the Perceived Informativeness of Prosodic Cues in Turkish. AB - It is known from previous studies that in many cases (though not all) the prosodic properties of a spoken utterance reflect aspects of its syntactic structure, and also that in many cases (though not all) listeners can benefit from these prosodic cues. A novel contribution to this literature is the Rational Speaker Hypothesis (RSH), proposed by Clifton, Carlson and Frazier. The RSH maintains that listeners are sensitive to possible reasons for why a speaker might introduce a prosodic break: "listeners treat a prosodic boundary as more informative about the syntax when it flanks short constituents than when it flanks longer constituents," because in the latter case the speaker might have been motivated solely by consideration of optimal phrase lengths. This would effectively reduce the cue value of an appropriately placed prosodic boundary. We present additional evidence for the RSH from Turkish, a language typologically different from English. In addition, our study shows for the first time that the RSH also applies to a prosodic break which conflicts with the syntactic structure, reducing its perceived cue strength if it might have been motivated by length considerations. In this case, the RSH effect is beneficial. Finally, the Turkish data show that prosody-based explanations for parsing preferences such as the RSH do not take the place of traditional syntax-sensitive parsing strategies such as Late Closure. The two sources of guidance co-exist; both are used when available. PMID- 29216812 TI - Separability of Tones and Rhymes in Chinese Speech Perception: Evidence from Perceptual Migrations. AB - This study used the perceptual-migration paradigm to explore whether Mandarin tones and syllable rhymes are processed separately during Mandarin speech perception. Following the logic of illusory conjunctions, we calculated the cross ear migration of tones, rhymes, and their combination in Chinese and English listeners. For Chinese listeners, tones migrated more than rhymes. For English listeners, the opposite pattern was found. The results lend empirical support to autosegmental theory, which claims separability and mobility between tonal and segmental representations. They also provide evidence that such representations and their involvement in perception are deeply shaped by a listener's linguistic experience. PMID- 29216813 TI - Processing Relationships Between Language-Being-Spoken and Other Speech Dimensions in Monolingual and Bilingual Listeners. AB - While indexical information is implicated in many levels of language processing, little is known about the internal structure of the system of indexical dimensions, particularly in bilinguals. A series of three experiments using the speeded classification paradigm investigated the relationship between various indexical and non-linguistic dimensions of speech in processing. Namely, we compared the relationship between a lesser-studied indexical dimension relevant to bilinguals, which language is being spoken (in these experiments, either Mandarin Chinese or English), with: talker identity (Experiment 1), talker gender (Experiment 2), and amplitude of speech (Experiment 3). Results demonstrate that language-being-spoken is integrated in processing with each of the other dimensions tested, and that these processing dependencies seem to be independent of listeners' bilingual status or experience with the languages tested. Moreover, the data reveal processing interference asymmetries, suggesting a processing hierarchy for indexical, non-linguistic speech features. PMID- 29216815 TI - Introduction. PMID- 29216814 TI - Editorial. PMID- 29216816 TI - Acute kidney injury in low- and middle-income countries: investigations, management and prevention. AB - Acute kidney injury (AKI) is a relatively common condition, encountered in everyday paediatric clinical practice. It is an important cause of morbidity and mortality in children both inside and outside intensive care units. It is associated with prolonged hospital stay and progression to chronic kidney disease. The burden of AKI is particularly high in low- and middle-income countries where rural areas and smaller cities in the countryside predominate. Most of these areas suffer from poverty, poor sanitation, water quality and hygiene, lack of education and poor access to health care. AKI is preventable if it is detected sufficiently early and managed promptly. Improved nephrology services and the availability of cost-effective dialysis facilities in resource limited settings should reduce morbidity and save many children's lives. PMID- 29216817 TI - Characterization of sulfhydryl oxidase from Aspergillus tubingensis. AB - BACKGROUND: Despite of the presence of sulfhydryl oxidases (SOXs) in the secretomes of industrially relevant organisms and their many potential applications, only few of these enzymes have been biochemically characterized. In addition, basic functions of most of the SOX enzymes reported so far are not fully understood. In particular, the physiological role of secreted fungal SOXs is unclear. RESULTS: The recently identified SOX from Aspergillus tubingensis (AtSOX) was produced, purified and characterized in the present work. AtSOX had a pH optimum of 6.5, and showed a good pH stability retaining more than 80% of the initial activity in a pH range 4-8.5 within 20 h. More than 70% of the initial activity was retained after incubation at 50 degrees C for 20 h. AtSOX contains a non-covalently bound flavin cofactor. The enzyme oxidised a sulfhydryl group of glutathione to form a disulfide bond, as verified by nuclear magnetic resonance spectroscopy. AtSOX preferred glutathione as a substrate over cysteine and dithiothreitol. The activity of the enzyme was totally inhibited by 10 mM zinc sulphate. Peptide- and protein-bound sulfhydryl groups in bikunin, gliotoxin, holomycin, insulin B chain, and ribonuclease A, were not oxidised by the enzyme. Based on the analysis of 33 fungal genomes, SOX enzyme encoding genes were found close to nonribosomal peptide synthetases (NRPS) but not with polyketide synthases (PKS). In the phylogenetic tree, constructed from 25 SOX and thioredoxin reductase sequences from IPR000103 InterPro family, AtSOX was evolutionary closely related to other Aspergillus SOXs. Oxidoreductases involved in the maturation of nonribosomal peptides of fungal and bacterial origin, namely GliT, HlmI and DepH, were also evolutionary closely related to AtSOX whereas fungal thioreductases were more distant. CONCLUSIONS: AtSOX (55 kDa) is a fungal secreted flavin-dependent enzyme with good stability to both pH and temperature. A Michaelis-Menten behaviour was observed with reduced glutathione as a substrate. Based on the location of SOX enzyme encoding genes close to NRPSs, SOXs could be involved in the secondary metabolism and act as an accessory enzyme in the production of nonribosomal peptides. PMID- 29216818 TI - Neuroprotective effects of amiodarone in a mouse model of ischemic stroke. AB - BACKGROUND: Ion channels play a crucial role in the development of ischemic brain injury. Recent studies have reported that the blockade of various types of ion channels improves outcomes in experimental stroke models. Amiodarone, one of the most effective drugs for life-threatening arrhythmia, works as a multiple channel blocker and its characteristics cover all four Vaughan-Williams classes. Although it is known that amiodarone indirectly contributes to preventing ischemic stroke by maintaining sinus rhythm in patients with atrial fibrillation, the direct neuroprotective effect of amiodarone has not been clarified. The purpose of this study was to investigate the direct effect of amiodarone on ischemic stroke in mice. METHODS: Focal cerebral ischemia was induced via distal permanent middle cerebral artery occlusion (MCAO) in adult male mice. The amiodarone pre-treatment group received 50 mg/kg of amiodarone 1 h before MCAO; the amiodarone post treatment groups received 50 mg/kg of amiodarone immediately after MCAO; the control group received vehicle only. In addition, the sodium channel opener veratrine and selective beta-adrenergic agonist isoprotelenol were used to elucidate the targeted pathway. Heart rate and blood pressure were monitored perioperatively. Infarct volume analysis was conducted 48 h after MCAO. The body asymmetry test and the corner test were used for neurological evaluation. RESULTS: Amiodarone pre-treatment and post-treatment reduced the heart rate but did not affect the blood pressure. No mice showed arrhythmia. Compared with the control group, the amiodarone pre-treatment group had smaller infarct volumes (8.9 +/- 2.1% hemisphere [mean +/- SD] vs. 11.2 +/- 1.4%; P < 0.05) and improved functional outcomes: lower asymmetric body swing rates (52 +/- 17% vs. 65 +/- 18%; P < 0.05) and fewer left turns (7.1 +/- 1.2 vs. 8.3 +/- 1.2; P < 0.05). In contrast, amiodarone post-treatment did not improve the outcomes after MCAO. The neuroprotective effect of amiodarone pre-treatment was abolished by co administration of veratrine but not by isoproterenol. CONCLUSIONS: Amiodarone pre treatment attenuated ischemic brain injury and improved functional outcomes without affecting heart rhythm and blood pressure. The present results showed that amiodarone pre-treatment has neuroprotective effects, at least in part, via blocking the sodium channels. PMID- 29216819 TI - Transcriptomic analysis of Pak Choi under acute ozone exposure revealed regulatory mechanism against ozone stress. AB - BACKGROUND: Ground-level ozone (O3) is one of the major air pollutants, which cause oxidative injury to plants. The physiological and biochemical mechanisms underlying the responses of plants to O3 stress have been well investigated. However, there are limited reports about the molecular basis of plant responses to O3. In this study, a comparative transcriptomic analysis of Pak Choi (Brassica campestris ssp. chinensis) exposed to different O3 concentrations was conducted for the first time. RESULTS: Seedlings of Pak Choi with five leaves were exposed to non-filtered air (NF, 31 ppb) or elevated O3 (E-O3, 252 ppb) for 2 days (8 h per day, from 9:00-17:00). Compared with plants in the NF, a total of 675 differentially expressed genes (DEGs) were identified in plants under E-O3, including 219 DEGs with decreased expressions and 456 DEGs with increased expressions. Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses revealed that O3 stress invoked multiple cellular defense pathways to mitigate the impaired cellular integrity and metabolism, including 'glutathione metabolism', 'phenylpropanoid biosynthesis', 'sulfur metabolism', 'glucosinolate biosynthesis', 'cutin, suberine and wax biosynthesis' and others. Transcription factors potentially involved in this cellular regulation were also found, such as AP2-ERF, WRKY, JAZ, MYB etc. Based on the RNA-Seq data and previous studies, a working model was proposed integrating O3 caused reactive oxygen burst, oxidation reduction regulation, jasmonic acid and downstream functional genes for the regulation of cellular homeostasis after acute O3 stress. CONCLUSION: The present results provide a valuable insight into the molecular responses of Pak Choi to acute O3 stress and the specific DEGs revealed in this study could be used for further functional identification of key allelic genes determining the O3 sensitivity of Pak Choi. PMID- 29216820 TI - Comparison of the effect of different infusion rates of sufentanil on surgical stress index during cranial pinning in children under general anaesthesia: a randomized controlled study. AB - BACKGROUND: Surgical stress index (SSI) is an established indicator for intraoperative nociception. Opioids are used to block stimulus of cranial pinning in neurosurgery. We investigated the effect of different infusion rates of sufentanil on SSI during cranial pinning in children under general anaesthesia. METHODS: Forty-nine children (2-12 years of age) underwent neurosurgery with pinning. The children were randomized into three groups based on the rate of sufentanil infusion: 0.2, 0.5, and 0.8 MUg.kg-1.hr.-1. Continuous sufentanil infusion began following neuromuscular blockade administration, at a rate determined by each patient's assigned treatment group. Following preparation for surgery, cranial pinning was performed. Systolic, diastolic, and mean blood pressures, along with heart rate and photoplethysmographic data, were continuously recorded from 1 min prior to cranial pinning through 5 min after cranial pinning, in 1-min intervals. SSI was calculated following the completion of surgery. Differences in measured outcomes over time among the three groups were evaluated using a generalized estimation equation. Differences in pinning outcomes in the same group were evaluated with Freidman test. RESULTS: We found no statistical differences in long-term SSI that were associated with different infusion rates of sufentanil during cranial pinning. Blood pressures in all groups increased for 2 min after cranial pinning, and then decreased; we found no statistical difference in long-term blood pressure values among the groups. Heart rate increased after pinning in the group that received a low-dose infusion of sufentanil. CONCLUSIONS: Since SSI was intended to measure the blunting effects of sufentanil towards the noxious stimulus of cranial pinning, our results suggest that SSI might not be sufficiently sensitive to monitor the nociceptive response in children. TRIAL REGISTRATION: ( KCT0000978 , Jan-07, 2014). PMID- 29216822 TI - Bayesian estimation of scaled mutation rate under the coalescent: a sequential Monte Carlo approach. AB - BACKGROUND: Samples of molecular sequence data of a locus obtained from random individuals in a population are often related by an unknown genealogy. More importantly, population genetics parameters, for instance, the scaled population mutation rate Theta=4N e MU for diploids or Theta=2N e MU for haploids (where N e is the effective population size and MU is the mutation rate per site per generation), which explains some of the evolutionary history and past qualities of the population that the samples are obtained from, is of significant interest. RESULTS: In this paper, we present the evolution of sequence data in a Bayesian framework and the approximation of the posterior distributions of the unknown parameters of the model, which include Theta via the sequential Monte Carlo (SMC) samplers for static models. Specifically, we approximate the posterior distributions of the unknown parameters with a set of weighted samples i.e., the set of highly probable genealogies out of the infinite set of possible genealogies that describe the sampled sequences. The proposed SMC algorithm is evaluated on simulated DNA sequence datasets under different mutational models and real biological sequences. In terms of the accuracy of the estimates, the proposed SMC method shows a comparable and sometimes, better performance than the state-of-the-art MCMC algorithms. CONCLUSIONS: We showed that the SMC algorithm for static model is a promising alternative to the state-of-the-art approach for simulating from the posterior distributions of population genetics parameters. PMID- 29216821 TI - Molecular targets and signaling pathways regulated by nuclear translocation of syndecan-1. AB - BACKGROUND: The cell-surface heparan sulfate proteoglycan syndecan-1 is important for tumor cell proliferation, migration, and cell cycle regulation in a broad spectrum of malignancies. Syndecan-1, however, also translocates to the cell nucleus, where it might regulate various molecular functions. RESULTS: We used a fibrosarcoma model to dissect the functions of syndecan-1 related to the nucleus and separate them from functions related to the cell-surface. Nuclear translocation of syndecan-1 hampered the proliferation of fibrosarcoma cells compared to the mutant lacking nuclear localization signal. The growth inhibitory effect of nuclear syndecan-1 was accompanied by significant accumulation of cells in the G0/G1 phase, which indicated a possible G1/S phase arrest. We implemented multiple, unsupervised global transcriptome and proteome profiling approaches and combined them with functional assays to disclose the molecular mechanisms that governed nuclear translocation and its related functions. We identified genes and pathways related to the nuclear compartment with network enrichment analysis of the transcriptome and proteome. The TGF-beta pathway was activated by nuclear syndecan-1, and three genes were significantly altered with the deletion of nuclear localization signal: EGR-1 (early growth response 1), NEK11 (never-in mitosis gene a-related kinase 11), and DOCK8 (dedicator of cytokinesis 8). These candidate genes were coupled to growth and cell-cycle regulation. Nuclear translocation of syndecan-1 influenced the activity of several other transcription factors, including E2F, NFkappabeta, and OCT-1. The transcripts and proteins affected by syndecan-1 showed a striking overlap in their corresponding biological processes. These processes were dominated by protein phosphorylation and post-translation modifications, indicative of alterations in intracellular signaling. In addition, we identified molecules involved in the known functions of syndecan-1, including extracellular matrix organization and transmembrane transport. CONCLUSION: Collectively, abrogation of nuclear translocation of syndecan-1 resulted in a set of changes clustering in distinct patterns, which highlighted the functional importance of nuclear syndecan-1 in hampering cell proliferation and the cell cycle. This study emphasizes the importance of the localization of syndecan-1 when considering its effects on tumor cell fate. PMID- 29216823 TI - Historical isolation and contemporary gene flow drive population diversity of the brown alga Sargassum thunbergii along the coast of China. AB - BACKGROUND: Long-term survival in isolated marginal seas of the China coast during the late Pleistocene ice ages is widely believed to be an important historical factor contributing to population genetic structure in coastal marine species. Whether or not contemporary factors (e.g. long-distance dispersal via coastal currents) continue to shape diversity gradients in marine organisms with high dispersal capability remains poorly understood. Our aim was to explore how historical and contemporary factors influenced the genetic diversity and distribution of the brown alga Sargassum thunbergii, which can drift on surface water, leading to long-distance dispersal. RESULTS: We used 11 microsatellites and the plastid RuBisCo spacer to evaluate the genetic diversity of 22 Sargassum thunbergii populations sampled along the China coast. Population structure and differentiation was inferred based on genotype clustering and pairwise F ST and allele-frequency analyses. Integrated genetic analyses revealed two genetic clusters in S. thunbergii that dominated in the Yellow-Bohai Sea (YBS) and East China Sea (ECS) respectively. Higher levels of genetic diversity and variation were detected among populations in the YBS than in the ECS. Bayesian coalescent theory was used to estimate contemporary and historical gene flow. High levels of contemporary gene flow were detected from the YBS (north) to the ECS (south), whereas low levels of historical gene flow occurred between the two regions. CONCLUSIONS: Our results suggest that the deep genetic divergence in S. thunbergii along the China coast may result from long-term geographic isolation during glacial periods. The dispersal of S. thunbergii driven by coastal currents may facilitate the admixture between southern and northern regimes. Our findings exemplify how both historical and contemporary forces are needed to understand phylogeographical patterns in coastal marine species with long-distance dispersal. PMID- 29216824 TI - Use of a mixed culture strategy to isolate halophilic bacteria with antibacterial and cytotoxic activity from the Manaure solar saltern in Colombia. AB - BACKGROUND: Water evaporation in solar salterns creates salinity gradients that promote the adaptation of microbial species to different salinities. This competitive habitat challenges the metabolic capabilities of microorganisms and promotes alterations in their production of secondary metabolites. Thus, solar salterns are a potentially important source of new natural products. In Colombia, the most important and representative solar saltern is located in Manaure (La Guajira) in the north of Colombia. The aim of this study was to develop an alternative screening strategy to select halophilic bacteria as producers of bioactive compounds from mixed microbial cultures rather than individual environmental isolates. Brine and sediment samples from different ponds (across a salinity gradient) were inoculated in seven different culture media to grow bacteria and archaea, allowing for a total of 40 different mixed cultures. An organic extract from each mixed culture was obtained and tested against multidrug resistant pathogens, including Klebsiella pneumoniae, vancomycin-resistant Enterococcus faecium, methicillin-resistant Staphylococcus aureus and Bacillus subtilis. In addition, the extracts were tested against two human cancer cell lines, cervical adenocarcinoma (SiHa) and lung carcinoma (A-549). RESULTS: Twenty four of the forty extracts from mixed cultures obtained from brine and sediment samples from the Manaure solar saltern showed antibacterial activity against Bacillus subtilis. Two extracts, referred to as A1SM3-29 and A1SM3-36, were also active against a methicillin-resistant Staphylococcus aureus, with the latter extract also showing slight cytotoxic activity against the assayed human lung cancer cell line. From this mixed culture, nine isolates were cultivated, and their extracts were tested against the same pathogens, resulting in the identification of a Vibrio sp. strain (A1SM3-36-8) with antimicrobial activity that was similar to that observed for the mixed culture extract. The extract of this strain was subjected to a bioautography assay, and 3 different fractions exhibited antibacterial activity against methicillin-resistant Staphylococcus aureus. Based on the amount obtained for each fraction, F3 was selected to isolate and identify its metabolites. The major compound was identified by NMR and HRMS as 13-cis-docosenamide, an amide that has been previously reported to be an antimicrobial and cytotoxic compound. CONCLUSIONS: Our results shows the utility of our strategy in detecting bioactive molecules in initial mixed cultures by biological assays, resulting in the isolation and characterization of Vibrio sp. A1SM3-36-8, a halophilic strain with great antibacterial and cytotoxic potential. PMID- 29216825 TI - Correction to: Generation of expressed sequence tags for discovery of genes responsible for floral traits of Chrysanthemum morifolium by next-generation sequencing technology. AB - After publication of the original article [1] the authors noted that the following errors had occurred. PMID- 29216826 TI - 6S RNA plays a role in recovery from nitrogen depletion in Synechocystis sp. PCC 6803. AB - BACKGROUND: The 6S RNA is a global transcriptional riboregulator, which is exceptionally widespread among most bacterial phyla. While its role is well characterized in some heterotrophic bacteria, we subjected a cyanobacterial homolog to functional analysis, thereby extending the scope of 6S RNA action to the special challenges of photoautotrophic lifestyles. RESULTS: Physiological characterization of a 6S RNA deletion strain (DeltassaA) demonstrates a delay in the recovery from nitrogen starvation. Significantly decelerated phycobilisome reassembly and glycogen degradation are accompanied with reduced photosynthetic activity compared to the wild type. Transcriptome profiling further revealed that predominantly genes encoding photosystem components, ATP synthase, phycobilisomes and ribosomal proteins were negatively affected in DeltassaA. In vivo pull-down studies of the RNA polymerase complex indicated that the presence of 6S RNA promotes the recruitment of the cyanobacterial housekeeping sigma factor SigA, concurrently supporting dissociation of group 2 sigma factors during recovery from nitrogen starvation. CONCLUSIONS: The combination of genetic, physiological and biochemical studies reveals the homologue of 6S RNA as an integral part of the cellular response of Synechocystis sp. PCC 6803 to changing nitrogen availability. According to these results, 6S RNA supports a rapid acclimation to changing nitrogen supply by accelerating the switch from group 2 sigma factors SigB, SigC and SigE to SigA-dependent transcription. We therefore introduce the cyanobacterial 6S RNA as a novel candidate regulator of RNA polymerase sigma factor recruitment in Synechocystis sp. PCC 6803. Further studies on mechanistic features of the postulated interaction should shed additional light on the complexity of transcriptional regulation in cyanobacteria. PMID- 29216828 TI - Factors necessary for independent walking in patients with thalamic hemorrhage. AB - BACKGROUND: Thalamic hemorrhages cause motor paralysis, sensory impairment, and cognitive dysfunctions, all of which may significantly affect walking independence. We examined the factors related to independent walking in patients with thalamic hemorrhage who were admitted to a rehabilitation hospital. METHODS: We evaluated 128 patients with thalamic hemorrhage (75 men and 53 women; age range, 40-93 years) who were admitted to our rehabilitation hospital. The mean duration from symptom onset to rehabilitation hospital admission was 27.2 +/- 10.3 days, and the mean rehabilitation hospital stay was 71.0 +/- 31.4 days. Patients' neurological and cognitive functions were examined with the National Institutes of Health Stroke Scale (NIHSS) and Mini-Mental State Examination (MMSE), respectively. The relationship between patients' scores on these scales and their walking ability at discharge from the rehabilitation hospital was analyzed. Additionally, a decision-tree analysis was used to create a model for predicting independent walking upon referral to the rehabilitation hospital. RESULTS: Among the patients, 65 could walk independently and 63 could not. The two patient groups were significantly different in terms of age, duration from symptom onset to rehabilitation hospital admission, hematoma type, hematoma volume, neurological symptoms, and cognitive function. The decision-tree analysis revealed that the patient's age, NIHSS score, MMSE score, hematoma volume, and presence of ventricular bleeding were factors that could predict independent walking. CONCLUSIONS: In patients with thalamic hemorrhage, the neurological symptoms, cognitive function, and neuroimaging factors at onset are useful for predicting independent walking. PMID- 29216827 TI - Comparative genomic analysis of Brevibacterium strains: insights into key genetic determinants involved in adaptation to the cheese habitat. AB - BACKGROUND: Brevibacterium strains are widely used for the manufacturing of surface-ripened cheeses, contributing to the breakdown of lipids and proteins and producing volatile sulfur compounds and red-orange pigments. The objective of the present study was to perform comparative genomic analyses in order to better understand the mechanisms involved in their ability to grow on the cheese surface and the differences between the strains. RESULTS: The genomes of 23 Brevibacterium strains, including twelve strains isolated from cheeses, were compared for their gene repertoire involved in salt tolerance, iron acquisition, bacteriocin production and the ability to use the energy compounds present in cheeses. All or almost all the genomes encode the enzymes involved in ethanol, acetate, lactate, 4-aminobutyrate and glycerol catabolism, and in the synthesis of the osmoprotectants ectoine, glycine-betaine and trehalose. Most of the genomes contain two contiguous genes encoding extracellular proteases, one of which was previously characterized for its activity on caseins. Genes encoding a secreted triacylglycerol lipase or involved in the catabolism of galactose and D galactonate or in the synthesis of a hydroxamate-type siderophore are present in part of the genomes. Numerous Fe3+/siderophore ABC transport components are present, part of them resulting from horizontal gene transfers. Two cheese associated strains have also acquired catecholate-type siderophore biosynthesis gene clusters by horizontal gene transfer. Predicted bacteriocin biosynthesis genes are present in most of the strains, and one of the corresponding gene clusters is located in a probable conjugative transposon that was only found in cheese-associated strains. CONCLUSIONS: Brevibacterium strains show differences in their gene repertoire potentially involved in the ability to grow on the cheese surface. Part of these differences can be explained by different phylogenetic positions or by horizontal gene transfer events. Some of the distinguishing features concern biotic interactions with other strains such as the secretion of proteases and triacylglycerol lipases, and competition for iron or bacteriocin production. In the future, it would be interesting to take the properties deduced from genomic analyses into account in order to improve the screening and selection of Brevibacterium strains, and their association with other ripening culture components. PMID- 29216829 TI - The role of isolation on contrasting phylogeographic patterns in two cave crustaceans. AB - BACKGROUND: The underlying mechanisms and processes that prompt the colonisation of extreme environments, such as caves, constitute major research themes of evolutionary biology and biospeleology. The special adaptations required to survive in subterranean environments (low food availability, hypoxic waters, permanent darkness), and the geographical isolation of caves, nominate cave biodiversity as ideal subjects to answer long-standing questions concerning the interplay amongst adaptation, biogeography, and evolution. The present project aims to examine the phylogeographic patterns exhibited by two sympatric species of surface and cave-dwelling peracarid crustaceans (Asellus aquaticus and Niphargus hrabei), and in doing so elucidate the possible roles of isolation and exaptation in the colonisation and successful adaptation to the cave environment. RESULTS: Specimens of both species were sampled from freshwater hypogean (cave) and epigean (surface) habitats in Hungary, and additional data from neighbouring countries were sourced from Genbank. Sequencing of mitochondrial and nuclear loci revealed, through haplotype network reconstruction (TCS) and phylogenetic inference, the genetic structure, phylogeographic patterns, and divergence-time estimates of A. aquaticus and N. hrabei surface and cave populations. Contrasting phylogeographic patterns were found between species, with A. aquaticus showing strong genetic differentiation between cave and surface populations and N. hrabei lacking any evidence of genetic structure mediated by the cave environment. Furthermore, N. hrabei populations show very low levels of genetic differentiation throughout their range, which suggests the possibility of recent expansion events over the last few thousand years. CONCLUSIONS: Isolation by cave environment, rather than distance, is likely to drive the genetic structuring observed between immediately adjacent cave and surface populations of A. aquaticus, a predominantly surface species with only moderate exaptations to subterranean life. For N. hrabei, in which populations exhibit a fully 'cave adapted' (troglomorphic) phenotype, the lack of genetic structure suggests that subterranean environments do not pose a dispersal barrier for this surface-cave species. PMID- 29216830 TI - Factors associated with birth preparedness and complication readiness in Southern Ethiopia: a community based cross-sectional study. AB - BACKGROUND: Birth preparedness and complication readiness (BP/CR) is a strategy to promote use of skilled maternal and neonatal care so that they can get timely skilled care, particularly during child birth. There is minimal evidence on the factors associated with BP/CR among pregnant women in Ethiopia. Hence, this study aimed to assess the factors influencing BP/CR among pregnant women in Southern Ethiopia for the purpose of improving utilization of skilled attendant at birth. METHODS: A community based cross-sectional study was conducted among 707 pregnant women in Southern Ethiopia in March 2015. Both quantitative and qualitative methods of data collection were used. For the quantitative study, the study subjects were included in the study by employing multi-stage sampling. Data was entered into Epidata version 3.1 and analyzed using IBM SPSS statistics 20. Level of statistical significance was declared at a p- value of <0.05. For the qualitative study, six FGDs were conducted and analyzed based on the thematic areas. RESULT: The prevalence of BP /CR in Arba Minch Zuria Woreda was found to be 30%. The odds of being prepared for birth and its complications was higher among women from high economic class (AOR = 2.29, 95% CI = 1.16, 4.54), with frequency of antenatal care(ANC) > = 4 (AOR = 4.52, 95% CI = 2.26, 9.02), who received advice on BP &CR (AOR = 1.84, 95% CI = 1.13, 3.01),and who were knowledgeable on labor and delivery(LAD) danger signs (AOR = 1.85, 95% CI = 1.01, 3.44). However, it was lower among women with parity of 2 - 4(AOR = .0.51, 95% CI = 0.31, 0.84) and >4 (AOR = 0.51, 95% CI = 0.31, 0.84) than primiparous women. It was also lower among women from food insecure households (AOR = 0.26, 95% CI = 0.16, 0.42) than their counterparts. Lack of awareness on BP/CR, privacy and respect in health institutions were mentioned by the FGD discussants as barriers to women's preparation for birth. CONCLUSIONS: The study showed that BP/CR is inadequate among pregnant women in the study area. Improving socio-economic and food security status of women, strengthening community-based education on complete attendance of ANC, and conforming to professional ethical standards were recommended. PMID- 29216831 TI - Validity of mobile electronic data capture in clinical studies: a pilot study in a pediatric population. AB - BACKGROUND: Clinical studies in children are necessary yet conducting multiple visits at study centers remains challenging. The success of "care-at-home" initiatives and remote clinical trials suggests their potential to facilitate conduct of pediatric studies. This pilot aimed to study the feasibility of remotely collecting valid (i.e. complete and correct) saliva samples and clinical data utilizing mobile technology. METHODS: Single-center, prospective pilot study in children undergoing elective tonsillectomy at the University of Basel Children's Hospital. Data on pain scores and concomitant medication and saliva samples were collected by caregivers on two to four inpatient study days and on three consecutive study days at home. A tailored mobile application developed for this study supported data collection. The primary endpoint was the proportion of complete and correct caregiver-collected data (pain scale) and saliva samples in the at-home setting. Secondary endpoints included the proportion of complete and correct saliva samples in the inpatient setting, subjective feasibility for caregivers, and study cost. RESULTS: A total number of 23 children were included in the study of which 17 children, median age 6.0 years (IQR 5.0, 7.4), completed the study. During the at-home phase, 71.9% [CI = 64.4, 78.6] of all caregiver collected pain assessments and 53.9% [CI = 44.2, 63.4] of all saliva samples were complete and correct. Overall, 64.7% [CI = 58.7, 70.4] of all data collected by caregivers at home was complete and correct. The predominant reason for incorrectness of data was adherence to the timing of predefined patient actions. Participating caregivers reported high levels of satisfaction and willingness to participate in similar trials in the future. Study costs for a potential sample size of 100 patients were calculated to be 20% lower for the at-home than for a traditional in-patient study setting. CONCLUSIONS: Mobile device supported studies conducted at home may provide a cost-effective approach to facilitate conduct of clinical studies in children. Given findings in this pilot study, data collection at home may focus on electronic data capture rather than biological sampling. PMID- 29216832 TI - A long-surviving patient with advanced esophageal basaloid squamous cell carcinoma treated only with radiotherapy: case report and literature review. AB - BACKGROUND: Esophageal basaloid squamous cell carcinoma (EBSCC) is a rare malignant disease. Advanced EBSCC (AEBSCC) has a poorer prognosis than the more common esophageal squamous cell carcinoma, but no treatment policy has yet been established. This is the first reported case with AEBSCC treated only with radiotherapy. Thus, our long-surviving patient merits consideration. We therefore reviewed cases with the same stage of AEBSCC for further investigation. CASE PRESENTATION: An 85-year-old man with a chief complaint of difficulty swallowing foods was diagnosed with AEBSCC, cT3N1M0, stage III, by thorough examination. The basaloid carcinoma extended from the upper thoracic esophagus to the middle thoracic esophagus based on imaging studies, endoscopy and biopsy. Morphologically, the tumor was an elevated ulcerative area. We conducted radiotherapy to relieve symptoms, as the patient and his family refused aggressive treatment. He has remained alive without recurrence for 2 years, to date, after completing radiotherapy. CONCLUSIONS: Basaloid carcinoma might be highly sensitive to radiotherapy. Thus, radiotherapy for local control might be beneficial for elderly patients with complications and those refusing aggressive treatment. PMID- 29216833 TI - Non-alcoholic fatty liver disease as a risk factor for cholangiocarcinoma: a systematic review and meta-analysis. AB - BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) has been recently identified as a risk factor of gastrointestinal tract cancers, especially hepatocellular carcinoma, and colorectal cancer. Whether NAFLD is a risk factor for cholangiocarcinoma (CCA) remains inconclusive. The aim of this study is to determine a potential association between NAFLD and CCA, stratifying by its subtypes; intrahepatic CCA (iCCA), and extrahepatic CCA (eCCA). METHODS: A search was conducted for relevant studies published up to April 2017 using MEDLINE, EMBASE, Scopus and Cochrane databases. Odds ratio (OR) and adjusted OR with 95% confidence interval (CI) were estimated using a random-effects model. Subgroup analyses were conducted with study characteristics. RESULTS: Seven case-control studies were included in the analysis, with a total of 9,102 CCA patients (5,067 iCCA and 4,035 eCCA) and 129,111 controls. Overall, NAFLD was associated with an increased risk for CCA, with pooled OR of 1.95 (95%CI: 1.36-2.79, I 2 =76%). When classified by subtypes, NAFLD was associated with both iCCA and eCCA, with ORs of 2.22 (95%CI: 1.52-3.24, I 2 =67%) and 1.55 (95%CI: 1.03-2.33, I 2 =69%), respectively. The overall pooled adjusted ORs were 1.97 (95%CI: 1.41-2.75, I 2 =71%), 2.09 (95%CI, 1.49-2.91, I 2 =42%) and 2.05 (95%CI, 1.59-2.64, I 2 =0%) for all CCAs, iCCA, and eCCA, respectively. CONCLUSIONS: This meta-analysis suggests that NAFLD may potentially increase the risk of CCA development. The magnitude of NAFLD on CCA risk is greater for iCCA than eCCA subtype, suggestive of a common pathogenesis of iCCA and hepatocellular carcinoma. Further studies to confirm this association are warranted. TRIAL REGISTRATION: The protocol for this study was registered with PROSPERO (International Prospective Register of Systematic Reviews; no. CRD42016046573). PMID- 29216834 TI - Inventory of real world data sources in Parkinson's disease. AB - BACKGROUND: Real world data have an important role to play in the evaluation of epidemiology and burden of disease; and in assisting health-care decision-makers, especially related to coverage and payment decisions. However, there is currently no overview of the existing longitudinal real world data sources in Parkinson's disease (PD) in the USA. Such an assessment can be very helpful, to support a future effort to harmonize real world data collection and use the available resources in an optimal way. METHODS: The objective of this comprehensive literature review is to systematically identify and describe the longitudinal, real world data sources in PD in the USA, and to provide a summary of their measurements (categorized into 8 main dimensions: motor and neurological functions, cognition, psychiatry, activities of daily living, sleep, quality of life, autonomic symptoms and other). The literature search was performed using MEDLINE, EMBASE and internet key word search. RESULTS: Of the 53 data sources identified between May and August 2016, 16 were still ongoing. Current medications (81%) and comorbidities (79%) were frequently collected, in comparison to medical imaging (36%), genetic information (30%), caregiver burden (11%) and healthcare costs (2%). Many different measurements (n = 108) were performed and an interesting variability among used measurements was revealed. CONCLUSIONS: Many longitudinal real world data sources on PD exist. Different types of measurements have been performed over time. To allow comparison and pooling of these multiple data sources, it will be essential to harmonize practices in terms of types of measurements. PMID- 29216835 TI - Human T-lymphotropic virus 1aA circulation and risk factors for sexually transmitted infections in an Amazon geographic area with lowest human development index (Marajo Island, Northern Brazil). AB - BACKGROUND: This cross-sectional study evaluated the prevalence of infection with human T-lymphotropic virus 1 and 2 (HTLV-1 and HTLV-2) in a population from the municipalities of Anajas, Chaves, Sao Sebastiao da Boa Vista (SSBV) and Portel in the Marajo Archipelago and correlated these data with the epidemiological characteristics of the study population. METHODS: A total of 1899 biological samples were evaluated. The samples were screened for the presence of anti-HTLV antibodies using an enzyme-linked immunosorbent assay (ELISA), and infection was confirmed using conventional polymerase chain reaction (PCR), real-time PCR and nucleotide sequencing. RESULTS: Eleven samples (0.58%) were seropositive for HTLV, but molecular analysis confirmed positivity in only two samples (0.11%). Nucleotide sequencing and phylogenetic analysis indicated that the two samples positive for HTLV-1 that were isolated in Chaves belonged to the Cosmopolitan subtype 1 (HTLV-1a) and Transcontinental subgroup (A). CONCLUSION: Our results confirmed the presence of Cosmopolitan Transcontinental HTLV-1 in the Marajo Archipelago, Amazon region, and the majority of the population revealed a lack of knowledge about sexually transmitted infections, which increases the risk of dissemination of HTLV and other agents. PMID- 29216836 TI - Key stakeholders' experiences of respite services for people with dementia and their perspectives on respite service development: a qualitative systematic review. AB - BACKGROUND: Respite services provide a break in the caregiving relationship for people with dementia and their carers, however they are often under-used and service acceptability can be low. This study aims to understand key stakeholders' experiences of respite services for people with dementia, with a view to informing respite service development. METHODS: A systematic search was conducted of the Pubmed/MedLine, Embase, Cinahl, PsychInfo, Scopus, Web of Science, and Cochrane databases (1980-2016, English) with fixed search terms relating to 'respite' and 'dementia', following PRISMA guidelines. Noblit and Hare's approach to meta-ethnography was employed. Key concepts were identified across the papers and reciprocal and refutational translation techniques were applied to primary studies; findings were synthesized into third order interpretations and finally, a 'line-of-argument' was developed. RESULTS: In total 23 papers were reviewed, which described 20 independent samples across 12 countries. The views of 889 participants were synthesized (13 people with dementia, 690 carers, 44 'service providers', 52 frontline staff, 70 managers, 12 volunteers, six academic/policy makers, and two independent consultants). Five key concepts were identified and outlined i.e. 1) the transition to service use 2) expanding organizational capacity 3) dementia care quality 4) building a collaborative care partnership and 5) dyad restoration. There was broad agreement around the key areas for service development across the range of stakeholders (flexible and responsive person-centred care, meaningful activity for people with dementia, enhanced client-service communication and informational support). However, there was clear divergence in stakeholder perspectives around the barriers to implementation of such developments. Organizational tension was evident between frontline staff and management in respite services, hindering the cultural change necessary to facilitate service development in line with dyad's needs and preferences. CONCLUSION: Respite services must surmount internal organizational barriers to change, and cultivate a collaborative solution-focused care culture, which acknowledges the centrality of the dyad and their care preferences. Future research should explore the development of alternative/modified community respite service models, which have greater capacity to be responsive to the needs of each individual dyad. The perspectives of people with dementia must be included in research in this area going forward. TRIAL REGISTRATION: PROSPERO Registration Number: CRD42016050191 . PMID- 29216837 TI - The role of gender in the active attitude toward treatment and health among older patients in primary health care-self-assessed health status and sociodemographic factors as moderators. AB - BACKGROUND: Active attitude toward treatment and health (ATH) leads to improved cooperation and better health outcomes in patients. Supporting it in the population of older adults is a growing need in primary care. Recognising the role of gender, health and other sociodemographic factors can help to distinguish patients who need the most assistance in activation from general practitioners (GPs). The objective of the study was to investigate gender differences in ATH as well as the moderating role of self-assessed health (SAH) and selected sociodemographic factors (age, education, financial status, marital status). METHODS: A cross-sectional, multicentre study among 4936 primary care older patients (aged 50+) was conducted. The PRACTA-Attitude toward Treatment and Health questionnaire (PRACTA-ATH) was used to measure the cognitive, emotional (positive and negative affect), and motivational dimensions of ATH. Patients were approached before and after their visits in the primary health-care facilities randomly selected in Central Poland. RESULTS: Generalised linear models (GENLIN) revealed the main effects of gender, SAH, and sociodemographic characteristics, such as financial status, marital status and education. Interaction effects of gender and age (Wald's chi2 = 24.767, p < 0.001 for ATH Global), as well as gender and SAH (Wald's chi2 = 16.712, p < 0.002 for ATH Global) on ATH were found. The most assistance in regard to ATH was required by men aged 50-74 and men declaring good self-assessed health. Generally, women declared a more active attitude than men, showing more knowledge (M = 5.40, SD = 0.07 and M = 5.21, SD = 0.07, for women and men, respectively, p = 0.046), positive emotion (M = 5.55, SD = 0.06 and M = 5.33, SD =0.06, for women and men, respectively, p = 0.015) and motivation to be involved in their health issues (M = 5.71, SD = 0.07 and M = 5.39, SD = 0.07, for women and men, respectively, p = 0.001). The level of negative emotions related to health was not significantly different between genders (p = 0.971). CONCLUSIONS: The need to create health promoting programmes taking account of particular gender differences in older adults emerges. In regard to clinical practice, building a sense of efficacy and individual responsibility for health, providing information about the means of health promotion and prevention, and recognising health-related cognitions, is recommended especially for men who feel well and are less advanced in age (50 74). PMID- 29216838 TI - A prediction model to identify hospitalised, older adults with reduced physical performance. AB - BACKGROUND: Identifying older adults with reduced physical performance at the time of hospital admission can significantly affect patient management and trajectory. For example, such patients could receive targeted hospital interventions such as routine mobilisation. Furthermore, at the time of discharge, health systems could offer these patients additional therapy to maintain or improve health and prevent institutionalisation or readmission. The principle aim of this study was to identify predictors for persisting, reduced physical performance in older adults following acute hospitalisation. METHODS: This was a prospective cohort study that enrolled 117 medical patients, ages 65 or older, who were admitted to a short-stay unit in a Danish emergency department. Patients were included in the study if at the time of admission they performed <=8 repetitions in the 30-s Chair-Stand Test (30s-CST). The primary outcome measure was the number of 30s-CST repetitions (<= 8 or >8) performed at the time of follow-up, 34 days after admission. Potential predictors within the first 48 h of admission included: age, gender, ability to climb stairs and walk 400 m, difficulties with activities of daily living before admission, falls, physical activity level, self-rated health, use of a walking aid before admission, number of prescribed medications, 30s-CST, and the De Morton Mobility Index. RESULTS: A total of 78 (67%) patients improved in physical performance in the interval between admission and follow-up assessment, but 76 patients (65%) had persistent reduced physical performance when compared to their baseline (30s CST <= 8). The number of potential predictors was reduced in order to create a simplified prediction model based on 4 variables, namely the use of a walking aid before hospitalisation (score = 1.5), a 30s-CST <= 5 (1.8), age > 85 (0.1), and female gender (0.6). A score > 1.8 identified 78% of the older adults who continued to have reduced physical performance following acute hospitalisation. CONCLUSION: At the time of admission, the variables of age, gender, walking aid use, and a 30s-CST score <= 5 enabled clinicians to identify 78% of older adults who had persisting reduced physical performance following acute hospitalisation. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT02474277 . (12.10.2014). PMID- 29216839 TI - Rates of morphological evolution, asymmetry and morphological integration of shell shape in scallops. AB - BACKGROUND: Rates of morphological evolution vary across different taxonomic groups, and this has been proposed as one of the main drivers for the great diversity of organisms on Earth. Of the extrinsic factors pertaining to this variation, ecological hypotheses feature prominently in observed differences in phenotypic evolutionary rates across lineages. But complex organisms are inherently modular, comprising distinct body parts that can be differentially affected by external selective pressures. Thus, the evolution of trait covariation and integration in modular systems may also play a prominent role in shaping patterns of phenotypic diversity. Here we investigate the role ecological diversity plays in morphological integration, and the tempo of shell shape evolution and of directional asymmetry in bivalved scallops. RESULTS: Overall, the shape of both valves and the magnitude of asymmetry of the whole shell (difference in shape between valves) are traits that are evolving fast in ecomorphs under strong selective pressures (gliders, recessers and nestling), compared to low rates observed in other ecomorphs (byssal-attaching, free-living and cementing). Given that different parts of an organism can be under different selective pressures from the environment, we also examined the degree of evolutionary integration between the valves as it relates to ecological shifts. We find that evolutionary morphological integration is consistent and surprisingly high across species, indicating that while the left and right valves of a scallop shell are diversifying in accordance with ecomorphology, they are doing so in a concerted fashion. CONCLUSIONS: Our study on scallops adds another strong piece of evidence that ecological shifts play an important role in the tempo and mode of morphological evolution. Strong selective pressures from the environment, inferred from the repeated evolution of distinct ecomorphs, have influenced the rate of morphological evolution in valve shape and the magnitude of asymmetry between valves. Our observation that morphological integration of the valves making up the shell is consistently strong suggests tight developmental pathways are responsible for the concerted evolution of these structures while environmental pressures are driving whole shell shape. Finally, our study shows that directional asymmetry in shell shape among species is an important aspect of scallop macroevolution. PMID- 29216840 TI - Over-The-Scope-Clip pre-mounted onto a double balloon enteroscope for fast and successful closure of post-EMR jejunal perforation: case report. AB - BACKGROUND: Familial adenomatous polyposis (FAP) is a rare, autosomal dominant disease clinically characterized by the early onset of many adenomatous polyps throughout the colon, which turn into colon cancer, if left untreated. In FAP patients, polyps can also occur in the upper gastrointestinal (GI) tract, especially in the duodenum. Adenomas beyond duodenum are rare and mostly located in the proximal jejunum and distal ileum. The management of such polyps can be either surgical or endoscopic, depending on the features of the polyp, Spigelman stage and patient's clinical conditions. Endoscopic mucosal resection (EMR) of jejunal polyps can be challenging, because of the thinner wall of jejunum, compared to the rest of the GI tract, and of the difficulty of maintaining control and stability of the scope. For these reasons, jejunal perforation is a likely occurrence. CASE PRESENTATION: A 65-year-old woman with a stage IV FAP, who had previously undergone abdominal surgery because of her disease, came to our attention because of numerous adenomatous-looking duodenal polyps and a 25 mm lesion in proximal jejunum. According to Spigelman staging system, patient was candidate for surgical resection, in light of the risk of developing small bowel cancer. Despite the benefits of surgery were clearly explained to her, she refused to undergo small bowel resection. Therefore, EMR of the largest duodenal polyp and of the jejunal lesion was planned. After the removal of the jejunal polyp, a small perforation was noted. We were able to rapidly close such perforation by using the Over-The-Scope-Clip system (OTSC, 12/6 t; Ovesco, Tubingen, Germany) pre-mounted onto a double balloon (DB) enteroscope. CONCLUSIONS: The endoscopic management of jejunal perforation can be tricky and the placement of traditional through-the-scope clips in a narrow space like jejunum may be difficult and time consuming. This case describes the use of the OTSC system pre-mounted onto a DB enteroscope for the closure of post-EMR jejunal perforation. PMID- 29216841 TI - Medical overuse and quaternary prevention in primary care - A qualitative study with general practitioners. AB - BACKGROUND: Medical overuse is a topic of growing interest in health care systems and especially in primary care. It comprises both over investigation and overtreatment. Quaternary prevention strategies aim at protecting patients from unnecessary or harmful medicine. The objective of this study was to gain a deeper understanding of relevant aspects of medical overuse in primary care from the perspective of German general practitioners (GPs). We focused on the scope, consequences and drivers of medical overuse and strategies to reduce it (=quaternary prevention). METHODS: We used the qualitative Grounded Theory approach. Theoretical sampling was carried out to recruit GPs in Bavaria, Germany. We accessed the field of research through GPs with academic affiliation, recommendations by interview partners and personal contacts. They differed in terms of primary care experience, gender, region, work experience abroad, academic affiliation, type of specialist training, practice organisation and position. Qualitative in-depth face-to-face interviews with a semi-structured interview guide were conducted (n = 13). The interviews were audiotaped and transcribed verbatim. Data analysis was carried out using open and axial coding. RESULTS: GPs defined medical overuse as unnecessary investigations and treatment that lack patient benefit or bear the potential to cause harm. They observed that medical overuse takes place in all three German reimbursement categories: statutory health insurance, private insurance and individual health services (direct payment). GPs criticised the poor acceptance of gate-keeping in German primary care. They referred to a low-threshold referral policy and direct patient access to outpatient secondary care, leading to specialist treatment without clear medical indication. The GPs described various direct drivers of medical overuse within their direct area of influence. They also emphasised indirect drivers related to system or societal processes. The proposed strategies for reducing medical overuse included a well-founded wait-and-see approach, medical education, a trustful doctor-patient relationship, the improvement of primary/health care structures and the involvement of patients and society. CONCLUSIONS: GPs are frequently located at the starting point of the diagnostic and treatment process. They have the potential to play a vital role in quaternary prevention. This requires a debate going beyond the medical profession and involving society as a whole. PMID- 29216842 TI - A clinical tool to predict Plasmodium vivax recurrence in Malaysia. AB - BACKGROUND: Recurrence rates of Plasmodium vivax infections differ across various geographic regions. Interestingly, South-East Asia and the Asia-Pacific region are documented to exhibit the most frequent recurrence incidences. Identifying patients at a higher risk for recurrences gives valuable information in strengthening the efforts to control P. vivax infections. The aim of the study was to develop a tool to identify P. vivax- infected patients that are at a higher risk of recurrence in Malaysia. METHODS: Patient data was obtained retrospectively through the Ministry of Health, Malaysia, from 2011 to 2016. Patients with incomplete data were excluded. A total of 2044 clinical P. vivax malaria cases treated with primaquine were included. Data collected were patient, disease, and treatment characteristics. Two-thirds of the cases (n = 1362) were used to develop a clinical risk score, while the remaining third (n = 682) was used for validation. RESULTS: Using multivariate analysis, age (p = 0.03), gametocyte sexual count (p = 0.04), indigenous transmission (p = 0.04), type of treatment (p = 0.12), and incomplete primaquine treatment (p = 0.14) were found to be predictors of recurrence after controlling for other confounding factors; these predictors were then used in developing the final model. The beta coefficient values were used to develop a clinical scoring tool to predict possible recurrence. The total scores ranged between 0 and 8. A higher score indicated a higher risk for recurrence (odds ratio [OR]: 1.971; 95% confidence interval [CI]: 1.562-2.487; p <= 0.001). The area under the receiver operating characteristic (ROC) curve of the developed (n = 1362) and validated model (n = 682) was of good accuracy (ROC: 0.728, 95% CI: 0.670-0.785, p value < 0.001, and ROC: 0.766, 95% CI: 0.700-0.833, p-value < 0.001, respectively). In both the developed and validated models, area under the ROC curves showed no significant difference in predicting recurrence based on the constructed scoring mechanism (p = 0.399; Z-value: -0.8441; standard error: 0.045). CONCLUSIONS: The developed model to predict recurrence was found to be of good accuracy and could be a useful tool in targeting patients at a higher risk for recurrence for closer monitoring during follow-up, after treatment with primaquine. PMID- 29216843 TI - Evaluation of the visibility of early gastric cancer using linked color imaging and blue laser imaging. AB - BACKGROUND: Blue laser imaging (BLI) and linked color imaging (LCI) are the color enhancement features of the LASEREO endoscopic system, which provide a narrow band light observation function and expansion and reduction of the color information, respectively. METHODS: We examined 82 patients with early gastric cancer (EGC) diagnosed between April 2014 and August 2015. Five expert and 5 non expert endoscopists retrospectively compared images obtained on non-magnifying BLI bright mode (BLI-BRT) and LCI with those obtained via conventional white light imaging (WLI). Interobserver agreement was also assessed. RESULTS: In experts' evaluation of the images, an improvement in visibility was observed in 73% (60/82) and 20% (16/82) of cases under LCI and BLI-BRT, respectively. In non experts' evaluation of the images, an improvement in visibility was observed in 76.8% (63/82) and 24.3% (20/82) of cases under LCI and BLI-BRT, respectively. There were no significant differences between experts and non-experts in the evaluation of the images. The improvement in visibility was significantly higher with LCI than with BLI-BRT in experts and non-experts (p < 0.01). With regard to tumor color on WLI, the improvement in the visibility of reddish and whitish tumors was significantly higher than that of isochromatic tumors when LCI was used. The improvement in visibility with LCI was observed in 71% (12/17) and 74% (48/65) of patients with and without Helicobacter pylori (Hp) eradication, respectively; no significant difference in improvement was observed between these groups. The interobserver agreement was good to satisfactory at >= 0.62. CONCLUSIONS: In conclusion, our study showed that LCI improved the visibility of EGC, regardless of the level of endoscopists' experience or Hp eradication in patients, particularly for EGCs with a reddish or whitish color. The improvement in visibility was significantly higher with LCI than that with BLI. PMID- 29216844 TI - Comparative analyses of plastid genomes from fourteen Cornales species: inferences for phylogenetic relationships and genome evolution. AB - BACKGROUND: The Cornales is the basal lineage of the asterids, the largest angiosperm clade. Phylogenetic relationships within the order were previously not fully resolved. Fifteen plastid genomes representing 14 species, ten genera and seven families of Cornales were newly sequenced for comparative analyses of genome features, evolution, and phylogenomics based on different partitioning schemes and filtering strategies. RESULTS: All plastomes of the 14 Cornales species had the typical quadripartite structure with a genome size ranging from 156,567 bp to 158,715 bp, which included two inverted repeats (25,859-26,451 bp) separated by a large single-copy region (86,089-87,835 bp) and a small single copy region (18,250-18,856 bp) region. These plastomes encoded the same set of 114 unique genes including 31 transfer RNA, 4 ribosomal RNA and 79 coding genes, with an identical gene order across all examined Cornales species. Two genes (rpl22 and ycf15) contained premature stop codons in seven and five species respectively. The phylogenetic relationships among all sampled species were fully resolved with maximum support. Different filtering strategies (none, light and strict) of sequence alignment did not have an effect on these relationships. The topology recovered from coding and noncoding data sets was the same as for the whole plastome, regardless of filtering strategy. Moreover, mutational hotspots and highly informative regions were identified. CONCLUSIONS: Phylogenetic relationships among families and intergeneric relationships within family of Cornales were well resolved. Different filtering strategies and partitioning schemes do not influence the relationships. Plastid genomes have great potential to resolve deep phylogenetic relationships of plants. PMID- 29216845 TI - A comparison of the test-negative and the traditional case-control study designs for estimation of influenza vaccine effectiveness under nonrandom vaccination. AB - BACKGROUND: As annual influenza vaccination is recommended for all U.S. persons aged 6 months or older, it is unethical to conduct randomized clinical trials to estimate influenza vaccine effectiveness (VE). Observational studies are being increasingly used to estimate VE. We developed a probability model for comparing the bias and the precision of VE estimates from two case-control designs: the traditional case-control (TCC) design and the test-negative (TN) design. In both study designs, acute respiratory illness (ARI) patients seeking medical care testing positive for influenza infection are considered cases. In the TN design, ARI patients seeking medical care who test negative serve as controls, while in the TCC design, controls are randomly selected individuals from the community who did not contract an ARI. METHODS: Our model assigns each study participant a covariate corresponding to the person's health status. The probabilities of vaccination and of contracting influenza and non-influenza ARI depend on health status. Hence, our model allows non-random vaccination and confounding. In addition, the probability of seeking care for ARI may depend on vaccination and health status. We consider two outcomes of interest: symptomatic influenza (SI) and medically-attended influenza (MAI). RESULTS: If vaccination does not affect the probability of non-influenza ARI, then VE estimates from TN studies usually have smaller bias than estimates from TCC studies. We also found that if vaccinated influenza ARI patients are less likely to seek medical care than unvaccinated patients because the vaccine reduces symptoms' severity, then estimates of VE from both types of studies may be severely biased when the outcome of interest is SI. The bias is not present when the outcome of interest is MAI. CONCLUSIONS: The TN design produces valid estimates of VE if (a) vaccination does not affect the probabilities of non-influenza ARI and of seeking care against influenza ARI, and (b) the confounding effects resulting from non random vaccination are similar for influenza and non-influenza ARI. Since the bias of VE estimates depends on the outcome against which the vaccine is supposed to protect, it is important to specify the outcome of interest when evaluating the bias. PMID- 29216846 TI - Reduced level of arousal and increased mortality in adult acute medical admissions: a systematic review and meta-analysis. AB - BACKGROUND: Reduced level of arousal is commonly observed in medical admissions and may predict in-hospital mortality. Delirium and reduced level of arousal are closely related. We systematically reviewed and conducted a meta-analysis of studies in adult acute medical patients of the relationship between reduced level of arousal on admission and in-hospital mortality. METHODS: We conducted a systematic review (PROSPERO: CRD42016022048), searching MEDLINE and EMBASE. We included studies of adult patients admitted with acute medical illness with level of arousal assessed on admission and mortality rates reported. We performed meta analysis using a random effects model. RESULTS: From 23,941 studies we included 21 with 14 included in the meta-analysis. Mean age range was 33.4 - 83.8 years. Studies considered unselected general medical admissions (8 studies, n=13,039) or specific medical conditions (13 studies, n=38,882). Methods of evaluating level of arousal varied. The prevalence of reduced level of arousal was 3.1%-76.9% (median 13.5%). Mortality rates were 1.7%-58% (median 15.9%). Reduced level of arousal was associated with higher in-hospital mortality (pooled OR 5.71; 95% CI 4.21-7.74; low quality evidence: high risk of bias, clinical heterogeneity and possible publication bias). CONCLUSIONS: Reduced level of arousal on hospital admission may be a strong predictor of in-hospital mortality. Most evidence was of low quality. Reduced level of arousal is highly specific to delirium, better formal detection of hypoactive delirium and implementation of care pathways may improve outcomes. Future studies to assess the impact of interventions on in hospital mortality should use validated assessments of both level of arousal and delirium. PMID- 29216847 TI - Magnetic resonance imaging analysis of brain function in patients with irritable bowel syndrome. AB - BACKGROUND: Irritable bowel syndrome (IBS) is a common functional disease of the gastrointestinal tract. The current study aimed to examine the association between visceral hypersensitivity in IBS and cortical activation using functional magnetic resonance imaging (fMRI), and to elucidate the role of psychological factors in the pathogenesis of IBS. METHODS: The present study included 31 patients with IBS and 20 healthy controls. Cerebral function was assessed using fMRI. During imaging, a Sengstaken-Blakemore tube was placed within the rectum approximately 10 cm from the anus, following which gas was rapidly injected into the airbag using a 150-ml syringe. Images were obtained at 40 ml, 80 ml, and 120 ml of expansion. Psychological status was evaluated using the Hospital Anxiety and Depression Scale (HADS). RESULTS: Anxiety and depression scores were higher among patients with IBSthan among controls (both P < 0.05), although scores in both groups were below the level of clinical diagnosis. Brain activation in regions of interest (parietal areas, prefrontal cortex, cerebellum, anterior cingulate cortex, insular cortex, and thalamus) increased along with increases in rectal balloon dilation, except in women with IBS and patients with disease duration less than 5 years. Furthermore, region of interest (ROI) activation (such as the parietal region, prefrontal cortex, cerebellum, anterior cingulate cortex, insular cortex, and thalamus) differed significantly between the 40-ml and 120-ml conditions, and between the 80-ml and 120-ml conditions (P < 0.05), among patients with IBS with anxiety or depression scores less than 9 points. CONCLUSIONS: Overall, our findings indicate that changes in brain activation due to changes in rectal balloon distension can be objectively and accurately measured using fMRI. Although our results indicated that visceral hypersensitivity during IBS is associated with changes in cortical activation, further studies utilizing larger sample sizes are required to more fully elucidate the association between psychological factors and visceral hypersensitivity in IBS. PMID- 29216848 TI - Anterior sacral meningocele infected with Fusobacterium in a patient with recently diagnosed colorectal carcinoma - a case report. AB - BACKGROUND: Anterior sacral meningoceles are rare, and usually occur with other malformations of the posterior lower spine. While these are more frequently reported in pediatric cohorts, we report a case in an elderly woman. CASE PRESENTATION: We report on a 71 year-old woman with a recently diagnosed colorectal adenocarcinoma who presented with a severe bacterial meningitis. The cerebrospinal fluid cell count revealed a pleocytosis of 80,000 cells/MUl and a severe disturbance of the blood-brain-barrier. Fusobacterium nucleatum was cultured as the causing pathogen. A lumbar MRI showed, in addition to contrast enhancing meninges as sign of inflammation, a presacral mass. In the next step, the mass was diagnosed as an anterior sacral meningocele connected to the gut. An adequate antibiotic was used to treat the leptomeningitis. The connection between gut and meningocele was closed surgically and the patient recovered well and underwent further treatment of her colorectal adenocarcinoma. CONCLUSION: We report on a case of meningitis with an anterior sacral meningocele that was connected to the gut in a patient with a infiltrative colorectal adenocarcinoma. Anatomic variants have to be considered as rare causes of meningitis with typical intestinal germs. PMID- 29216849 TI - Economic evaluations of ergonomic interventions preventing work-related musculoskeletal disorders: a systematic review of organizational-level interventions. AB - BACKGROUND: Work-related musculoskeletal disorders (WMSD) represent a major public health problem and economic burden to employers, workers and health insurance systems. This systematic review had two objectives: (1) to analyze the cost-benefit results of organizational-level ergonomic workplace-based interventions aimed at preventing WMSD, (2) to explore factors related to the implementation process of these interventions (obstacles and facilitating factors) in order to identify whether economic results may be due to a successful or unsuccessful implementation. METHODS: Systematic review. Studies were searched in eight electronic databases and in reference lists of included studies. Companion papers were identified through backward and forward citation tracking. A quality assessment tool was developed following guidelines available in the literature. An integration of quantitative economic results and qualitative implementation data was conducted following an explanatory sequential design. RESULTS: Out of 189 records, nine studies met selection criteria and were included in our review. Out of nine included studies, grouped into four types of interventions, seven yielded positive economic results, one produced a negative result and one mixed results (negative cost-effectiveness and positive net benefit). However, the level of evidence was limited for the four types of interventions given the quality and the limited number of studies identified. Our review shows that among the nine included studies, negative and mixed economic results were observed when the dose delivered and received by participants was low, when the support from top and/or middle management was limited either due to limited participation of supervisors in training sessions or a lack of financial resources and when adequacy of intervention to workers' needs was low. In studies where economic results were positive, implementation data showed strong support from supervisors and a high rate of employee participation. CONCLUSION: Studies investigating the determinants of financial outcomes of prevention related to implementation process are very seldom. We recommend that in future research economic evaluation should include information on the implementation process in order to permit the interpretation of economic results and enhance the generalizability of results. This is also necessary for knowledge transfer and utilization of research results for prevention-oriented decision-making in occupational health and safety. PMID- 29216850 TI - Adolescent substance use behavior and suicidal behavior for boys and girls: a cross-sectional study by latent analysis approach. AB - BACKGROUND: Adolescent suicidal behavior may consist of different symptoms, including suicidal ideation, suicidal planning and suicidal attempts. Adolescent substance use behavior may contribute to adolescent suicidal behavior. However, research on the relationships between specific substance use and individual suicidal behavior is insufficient, as adolescents may not use only one substance or develop only one facet of suicidal behavior. Latent variables permit us to describe the relationships between clusters of related behaviors more accurately than studying the relationships between specific behaviors. Thus, the aim of this study was to explore how adolescent substance use behavior contributes to suicidal behavior using latent variables representing adolescent suicidal and substance use behaviors. METHOD: A total of 13,985 adolescents were recruited using a stratified random sampling strategy. The participants indicated whether they had experienced suicidal ideation, planning and attempts and reported their cigarette, alcohol, ketamine and MDMA use during the past year. Latent analysis was used to examine the relationship between substance use and suicidal behavior. RESULTS: Adolescents who used any one of the above substances exhibited more suicidal behavior. The results of latent variables analysis revealed that adolescent substance use contributed to suicidal behavior and that boys exhibited more severe substance use behavior than girls. However, there was no gender difference in the association between substance use and suicidal behavior. CONCLUSION: Substance use behavior in adolescents is related to more suicidal behavior. In addition, the contribution of substance use to suicidal behavior does not differ between genders. PMID- 29216851 TI - What does IGRA testing add to the diagnosis of ocular tuberculosis? A Bayesian latent class analysis. AB - BACKGROUND: To evaluate the contribution made to the diagnostic work-up for patients with suspected ocular tuberculosis (TB) by QuantiFERON-TB Gold In-Tube (QFT) tests using latent class analysis model. METHODS: A single centre retrospective cohort study. A Bayesian latent class model was constructed on the basis of demographics, phenotypes and test results from patients attending a tertiary referral center in the UK. This estimated the probability of ocular TB for each patient in two versions, first with and then without QFT. The estimated probability of ocular TB was compared with treatment failure. RESULTS: From a database of 365 patients with clinical signs suggestive of ocular TB, 267 patients who had QFT and complete data were evaluated. Mean age was 45.0 +/- 15.4 years with 141 (52.9%) male and 148 (50.5%) of Asian ethnicity. QFT was positive in 208 (70.1%) patients and ATT was instituted in 145 (49.5%) patients with 100 (34.1%) patients also having concurrent systemic corticosteroid therapy. The best estimate of a QFT level separating TB-positive and TB-negative patients was extremely low. This weak discrimination between TB and non-TB groups was reflected in poor positive and negative predictive values for treatment failure. CONCLUSIONS: The latent class model did not successfully predict treatment failure, despite taking all variables into account. The threshold between TB and non-TB in QFT values was implausibly low and removing QFT from the model made prediction slightly worse. A larger prospective study is required to establish the role of all tests, demographics and phenotypes in diagnosis. PMID- 29216852 TI - Access to affordable medicines and diagnostic tests for asthma and COPD in sub Saharan Africa: the Ugandan perspective. AB - BACKGROUND: Equitable access to affordable medicines and diagnostic tests is an integral component of optimal clinical care of patients with asthma and chronic obstructive pulmonary disease (COPD). In Uganda, we lack contemporary data about the availability, cost and affordability of medicines and diagnostic tests essential in asthma and COPD management. METHODS: Data on the availability, cost and affordability of 17 medicines and 2 diagnostic tests essential in asthma and COPD management were collected from 22 public hospitals, 23 private and 85 private pharmacies. The percentage of the available medicines and diagnostic tests, the median retail price of the lowest priced generic brand and affordability in terms of the number of days' wages it would cost the least paid public servant were analysed. RESULTS: The availability of inhaled short acting beta agonists (SABA), oral leukotriene receptor antagonists (LTRA), inhaled LABA ICS combinations and inhaled corticosteroids (ICS) in all the study sites was 75%, 60.8%, 46.9% and 45.4% respectively. None of the study sites had inhaled long acting anti muscarinic agents (LAMA) and inhaled long acting beta agonist (LABA)-LAMA combinations. Spirometry and peak flow-metry as diagnostic tests were available in 24.4% and 6.7% of the study sites respectively. Affordability ranged from 2.2 days' wages for inhaled salbutamol to 17.1 days' wages for formoterol/budesonide inhalers and 27.8 days' wages for spirometry. CONCLUSION: Medicines and diagnostic tests essential in asthma and COPD care are not widely available in Uganda and remain largely unaffordable. Strategies to improve access to affordable asthma and COPD medicines and diagnostic tests should be implemented in Uganda. PMID- 29216853 TI - Obesity associates with vasomotor symptoms in postmenopause but with physical symptoms in perimenopause: a cross-sectional study. AB - BACKGROUND: Middle-aged women experience various menopausal symptoms during the menopause. These symptoms can affect their quality of life and health. Several epidemiological studies reported that obesity associates with menopausal symptoms. The aim of this cross-sectional study was to examine the associations between obesity and multiple menopausal symptoms at different stages of menopause in middle-aged Korean women. METHODS: The study population included women aged 44 56 years who visited a tertiary referral hospital for medical check-ups between November 2012 and March 2013 and were free from serious illness, could comprehend a questionnaire. The Menopause-Specific Quality of Life (MENQOL) questionnaire was used to assess the prevalence of menopausal symptoms. Overweight and obesity were defined as body mass index (BMI) of 23-24.9 and >=25 kg/m2, respectively. RESULTS: Of the 2204 middle-aged women, 929 met the eligibility criteria. Of these, 533 (57.4%) and 396 (42.6%) were in perimenopause and postmenopause, respectively. In perimenopause, obese women were significantly more likely to have moderate/severe physical symptoms (MENQOL domain score >= 5) than normal or overweight women. In postmenopause, obese women were significantly more likely to have moderate/severe vasomotor symptoms. Multiple linear regression with adjustment for confounders showed that relative to normal weight, obesity in perimenopause and postmenopause associated independently with physical symptoms (beta coefficient = 0.35; P = 0.023) and vasomotor symptoms (beta coefficient = 0.68; P = 0.003), respectively. Overweight did not associate with menopausal symptoms. BMI did not associate significantly with psychosocial or sexual symptoms at either stage of menopause. CONCLUSIONS: Obese women had more frequent menopausal symptoms than normal or overweight women but the associated menopausal symptom differed depending on the menopausal stage. Further studies are required to confirm this result and identify the underlying mechanisms. PMID- 29216854 TI - Acute clouding of trifocal lens during implantation: a case report. AB - BACKGROUND: Intraoperative IOLs clouding of several kinds of hydrophilic acrylic intraocular lenses (IOLs) have been reported due to temperature changes. This phenomenon reported previously occurred in cold countries and during the winter months. However, no clinical case was reported about trifocal IOL opacification during operation. We report a case in which acute opacification of the optical region occurred simultaneously when AT LISA tri 839mp(Carl Zeiss) was implanted into the eye. CASE PRESENTATION: A 79-year-old woman with a cortex and nucleus cataract was scheduled to undergo right eye phacoemulsification assisted by femtosecond technique. The trifocal lens (AT LISA tri 839mp), which is made of hydrophilic acrylic (25%) with hydrophobic surface properties, was chosen for implantation. As the IOL was implanted into the eye, it became cloudy immediately. Then it was replaced by another AT LISA tri 839mp, which was transferred from lens company outside, the same phenomenon was observed. These two lenses underwent the same temperature fluctuation from cold outside to operating room. Finally, a ZCB00 (Allergan) was implanted. CONCLUSIONS: The acute intraoperative clouding of trifocal lens(AT LISA tri 839mp) results from fluctuation of temperature should be noticed. PMID- 29216855 TI - Impact of rapid investigation clinic on timeliness of lung cancer diagnosis and treatment. AB - BACKGROUND: Guidelines recommend timely evaluation of patients with suspected lung cancer. We evaluated the impact of a Rapid Investigation Clinic (RIC) on timeliness of lung cancer diagnosis and treatment between February 2010 and December 2011. METHODS: Investigation within the RIC was conducted by a pulmonologist and a nurse clinician. Controls were patients with lung cancer, investigated outside the RIC at the same institution during the same time period. The primary outcome was time between first contact with a local physician for suspected lung cancer (T0) and first treatment. Factors associated with the delay from T0 to first treatment were examined using multivariate analysis. Completeness of lung cancer staging according to guidelines was assessed. RESULTS: A total of 195 patients were investigated within the RIC vs. 132 patients outside the RIC. The median delay between T0 and first treatment was 65 days (interquartile range [IQR] 46-92 days) in the RIC and 78 days (IQR 49-119 days) in the non-RIC patients (p <= 0.01). Time from T0 to pathological diagnosis was shorter in the RIC (median 26 days; IQR 14-42 days) vs. non-RIC patients (median 40 days; IQR 16-68 days). In multivariate analysis, investigation in the RIC was associated with a reduction in time to first treatment of 24 days (95% confidence interval [CI] 12-35 days) when adjusted for relevant confounders. Guideline-concordant investigation occurred more frequently in RIC patients, based on the quality indicators examined. CONCLUSIONS: A Rapid Investigation Clinic reduces delays to lung cancer diagnosis and treatment, and impacts quality of care. PMID- 29216856 TI - Interactional justice at work is related to sickness absence: a study using repeated measures in the Swedish working population. AB - BACKGROUND: Research has shown that perceived unfairness contributes to higher rates of sickness absence. While shorter, but more frequent periods of sickness absence might be a possibility for the individual to get relief from high strain, long-term sickness absence might be a sign of more serious health problems. The Uncertainty Management Model suggests that justice is particularly important in times of uncertainty, e.g. perceived job insecurity. The present study investigated the association between interpersonal and informational justice at work with long and frequent sickness absence respectively, under conditions of job insecurity. METHODS: Data were derived from the 2010, 2012, and 2014 biennial waves of the Swedish Longitudinal Occupational Survey of Health (SLOSH). The final analytic sample consisted of 19,493 individuals. We applied repeated measures regression analyses through generalized estimating equations (GEE), a method for longitudinal data that simultaneously analyses variables at different time points. We calculated risk of long and frequent sickness absence, respectively in relation to interpersonal and informational justice taking perceptions of job insecurity into account. RESULTS: We found informational and interpersonal justice to be associated with risk of long and frequent sickness absence independently of job insecurity and demographic variables. Results from autoregressive GEE provided some support for a causal relationship between justice perceptions and sickness absence. Contrary to expectations, we found no interaction between justice and job insecurity. CONCLUSIONS: Our results underline the need for fair and just treatment of employees irrespective of perceived job insecurity in order to keep the workforce healthy and to minimize lost work days due to sickness absence. PMID- 29216857 TI - Images of God and attitudes towards death in relation to spiritual wellbeing: an exploratory side study of the EORTC QLQ-SWB32 validation study in palliative cancer patients. AB - BACKGROUND: When patients are facing the ends of their lives, spiritual concerns often become more important. It is argued that effective, integrated palliative care should include addressing patients' spiritual wellbeing. In 2002 the EORTC Quality of Life Group began an international study to develop an spiritual wellbeing measure for palliative patients (SWB). Spiritual wellbeing is a complex construct, which comprises multiple contributory components. While conducting the EORTC SWB validation study with Dutch palliative cancer patients we also conducted an exploratory side study to examine the relationship between their spiritual wellbeing, images of God, and attitudes towards death. METHODS: Patients with incurable cancer who were able to understand Dutch and were well enough to participate, completed the provisional SWB measure and two scales assessing "Images of God" and "attitudes towards death and afterlife". Linear stepwise regression analysis was conducted to assess the relation between SWB and other factors. RESULTS: Fifty two Dutch patients, 28 females and 24 males, participated. The whole SWB measure validation identified four scoring scales: Existential (EX), Relationship with Self (RS), Relationships with Others (RO), Relationship with Something Greater (RSG) and Relationship with God (RG, for believers only). Adherence to an image of an Unknowable God and a worse WHO performance status were negatively associated with the EX scale. The image of an Unknowable God was also found to be negatively associated with the RS scale. Higher education correlated positively with the RO scale. Adherence to a Personal or Non-Personal Image of God was not found to be positively influencing any of the domains of SWB. CONCLUSIONS: For our participants, an Unknowable Image of God had a negative relationship with their SWB. Furthermore, specific images of God (Personal or Non Personal) are not associated with domains of SWB. Together, these findings suggest that spiritual wellbeing surpasses traditional religious views. The development of a new language which more naturally expresses different images of a higher being amongst patients in western late-modern societies may further aid our understanding and subsequently lead to an improvement in patients' spiritual wellbeing. PMID- 29216858 TI - Use of a hydrophilic coating wire reduces significantly the rate of central vein punctures and the incidence of pneumothorax in totally implantable access port (TIAP) surgery. AB - BACKGROUND: Insertion of a Totally Implantable Access Port (TIAP) can be performed either via Central VeinPuncture (CVP) or Brachiocephalic Vein Cut-down (venous section-VS). The primary success rate of TIAPimplantation using VS rarely ever achieves 100%. The objective of this study was to describe a modified VSapproach using a hydrophilic coated wire (TVS). METHODS: From 01.01.2015 to 31.12.2015, all patients receiving TIAP implantations were screened. During this time,all patients in whom the primary VS procedure was found to be unsuccessful were analysed. RESULTS: In 2015, 1152 patients had TIAP implantations performed by 24 different surgeons. Of these, 277 patientsneeded a second line rescue strategy either by CVP (n = 69) or TVS (n = 208). There were no statistically significantdifferences regarding demographics or indication for TIAP implantation between CVP and TVS. The operation time andthe qualification of the operating surgeon between CVP and TVS did not differ significantly. After the introduction ofthe guidewire with a hydrophilic coated wire, the need for CVP decreased significantly from 12.7% to 8.8% (p < 0.0001).In patients receiving CVP as a second line rescue strategy, the incidence of pneumothorax (n = 3 patients (4.3%)) wassignificantly higher compared to patients with TVS as a second line rescue strategy (n = 1 patient (0.48%), p = 0.02). CONCLUSION: The use of a hydrophilic coated wire significantly decreased the number of CVP and the incidence ofpneumothorax. TVS is a safe and successful second-line rescue strategy. PMID- 29216859 TI - A simple prediction tool for inhaled corticosteroid response in asthmatic children. AB - BACKGROUND: Inhaled corticosteroids are recommended as the first-line controller medication for childhood asthma owing to their multiple clinical benefits. However, heterogeneity in the response towards these drugs remains a significant clinical problem. METHODS: Children aged 5 to 18 years with mild to moderate persistent asthma were recruited into the Taiwanese Consortium of Childhood Asthma Study. Their responses to inhaled corticosteroids were assessed based on their improvements in the asthma control test and peak expiratory flow. The predictors of responsiveness were demographic and clinical features that were available in primary care settings. We have developed a prediction model using logistic regression and have simplified it to formulate a practical tool. We assessed its predictive performance using the area under the receiver operating characteristic curve. RESULTS: Of the 73 asthmatic children with baseline and follow-up outcome measurements for inhaled corticosteroids treatment, 24 (33%) were defined as non-responders. The tool we have developed consisted of three predictors yielding a total score between 0 and 5, which are comprised of the following parameters: the age at physician-diagnosis of asthma, sex, and exhaled nitric oxide. Sensitivity and specificity of the tool for prediction of inhaled corticosteroids non-responsiveness, for a score of 3, were 0.75 and 0.69, respectively. The areas under the receiver operating characteristic curve for the prediction tool was 0.763. CONCLUSIONS: Our prediction tool represents a simple and low-cost method for predicting the response of inhaled corticosteroids treatment in asthmatic children. PMID- 29216860 TI - 'The End of Sitting' in a public space: observations of spontaneous visitors. AB - BACKGROUND: Sitting too much has been associated with negative health outcomes. 'The End of Sitting' is a newly developed office landscape that moves away from the traditional chair-desk setup. The landscape aims to reduce sitting time by offering a variety of (supported) standing positions. The aim of this study was to determine the usage of the landscape after being placed in the main entrance hall of the VU University in Amsterdam. METHODS: We observed the number of spontaneous visitors as well as the duration of visits, changes to another location within the landscape, and adopted postures. Using questionnaires reasons (not) to visit the landscape, perceived affordances of the landscape and associations with long-term use were determined. RESULTS: Observed numbers of visitors were relatively low and duration of visits were short, which seemed to indicate visitors were trying out the landscape. The majority of visitors were in an upright position, reflecting the designers' intentions. Visitors indicated that long-term use would be pleasant to them. CONCLUSION: 'The End of Sitting' landscape received positive reactions but number of visits were limited in the few months that it was placed in the university main entrance hall. The landscape might be better suited for designated working or study spaces, for which it was originally intended. It might also be worth to explore the landscapes suitability for short stay environments, such as waiting rooms. PMID- 29216861 TI - Impaired mixed emotion processing in the right ventrolateral prefrontal cortex in schizophrenia: an fMRI study. AB - BACKGROUND: Schizophrenia has a negative effect on the activity of the temporal and prefrontal cortices in the processing of emotional facial expressions. However no previous research focused on the evaluation of mixed emotions in schizophrenia, albeit they are frequently expressed in everyday situations and negative emotions are frequently expressed by mixed facial expressions. METHODS: Altogether 37 subjects, 19 patients with schizophrenia and 18 healthy control subjects were enrolled in the study. The two study groups did not differ in age and education. The stimulus set consisted of 10 fearful (100%), 10 happy (100%), 10 mixed fear (70% fear and 30% happy) and 10 mixed happy facial expressions. During the fMRI acquisition pictures were presented in a randomized order and subjects had to categorize expressions by button press. RESULTS: A decreased activation was found in the patient group during fear, mixed fear and mixed happy processing in the right ventrolateral prefrontal cortex (VLPFC) and the right anterior insula (RAI) at voxel and cluster level after familywise error correction. No difference was found between study groups in activations to happy facial condition. Patients with schizophrenia did not show a differential activation between mixed happy and happy facial expression similar to controls in the right dorsolateral prefrontal cortex (DLPFC). CONCLUSIONS: Patients with schizophrenia showed decreased functioning in right prefrontal regions responsible for salience signaling and valence evaluation during emotion recognition. Our results indicate that fear and mixed happy/fear processing are impaired in schizophrenia, while happy facial expression processing is relatively intact. PMID- 29216862 TI - The incidence and risk factors of asymptomatic primary spontaneous pneumothorax detected during health check-ups. AB - BACKGROUND: Patients with primary spontaneous pneumothorax (PSP) usually complain of sudden-onset dyspnea and pleuritic chest pain. However, asymptomatic PSP has been incidentally detected on chest X-rays. In this study, we analyzed the incidence, characteristics, risk factors, and prognosis of asymptomatic PSP detected during regular medical check-ups in university students. METHODS: In this study, 101,709 chest X-rays were performed during medical check-ups for students at the University of Tokyo between April 2011 and March 2016. Among them, 43 cases of asymptomatic PSP (0.042%) were detected. We calculated the lung collapse rate of pneumothorax using Kircher's method. We also analyzed risk factors associated with asymptomatic PSP using characteristics inspected in medical check-ups. RESULTS: The incidence of asymptomatic PSP was significantly higher in men than in women (0.050% vs 0.018%). Multivariate analysis revealed an association of younger age, greater height, lower body mass index, and greater height growth per year with an increased risk of asymptomatic PSP in male students. Mild lung collapse (<10%) was present in 22 of 43 students with asymptomatic PSP; among these, eight students eventually underwent an invasive therapy. CONCLUSIONS: The prevalence of asymptomatic PSP among university students was as high as 0.042%. In addition to known risk factors for conventional PSP, greater height growth was a risk factor for asymptomatic PSP. Careful follow-up is very important because a considerable number of patients with mild lung collapse eventually require an invasive medical procedure. PMID- 29216863 TI - CCL5-CCR5 interactions modulate metabolic events during tumor onset to promote tumorigenesis. AB - BACKGROUND: In earlier studies we have shown that CCL5 activation of CCR5 induces the proliferation and survival of breast cancer cells in a mechanistic target of rapamycin (mTOR)-dependent manner and that this is in part due to CCR5-mediated increases in glycolytic metabolism. METHODS: Using the MDA-MB-231 triple negative human breast cancer cell line and mouse mammary tumor virus - polyomavirus middle T-antigen (MMTV-PyMT) mouse primary breast cancer cells, we conducted in vivo tumor transplant experiments to examine the effects of CCL5-CCR5 interactions in the context of regulating tumor metabolism. Additionally, we employed Matrix Assisted Laser Desorption/Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry imaging (MALDI-FTICR-MSI) to evaluate tumor utilization of cellular metabolites. RESULTS: We provide evidence that, in the absence of CCR5, the early events associated with rapid tumor growth in the MMTV-PyMT mouse model of spontaneous breast cancer development, are diminished, as demonstrated by a delay in tumor onset. In tumor transplant studies into immunocompromised mice we identify a direct correlation between reduced tumor proliferation and decreased metabolic activity, specifically associated with tumor expression of CCR5. The reduction in tumorigenesis is accompanied by decreases in glucose uptake, glucose transporter-1 (GLUT-1) cell surface expression, intracellular ATP and lactate levels, as well as reduced CCL5 production. Using MALDI-FTICR-MS, we show that the rapid early tumor growth of CCR5+/+ triple negative breast cancer cells in vivo is attributable to increased levels of glycolytic intermediates required for anabolic processes, in contrast to the slower growth rate of their corresponding CCR5-/- cells, that exhibit reduced glycolytic metabolism. CONCLUSIONS: These findings suggest that CCL5-CCR5 interactions in the tumor microenvironment modulate metabolic events during tumor onset to promote tumorigenesis. PMID- 29216864 TI - Diagnostic value of interleukins for tuberculous pleural effusion: a systematic review and meta-analysis. AB - BACKGROUND: The ability of interleukins (ILs) to differentiate tuberculous pleural effusion from other types of effusion is controversial. The aim of our study was to summarize the evidence for its use of ruling out or in tuberculous pleural effusion. METHODS: Two investigators independently searched PubMed, EMBASE, Web of Knowledge, CNKI, WANFANG, and WEIPU databases to identify studies assessing diagnostic role of ILs for tuberculous pleural effusion published up to January, 2017. Study quality was assessed using Quality Assessment of Diagnostic Accuracy Studies-2. The pooled diagnostic sensitivity and specificity of ILs were calculated by using Review Manager 5.3. Area under the summary receiver operating characteristic curve (AUC) was used to summarize the overall diagnostic performance of individual markers. RESULTS: Thirty-eight studies met our inclusion criteria. Pooled sensitivity, specificity and AUC for chosen ILs were as follows: IL-2, 0.67,0.76 and 0.86; IL-6, 0.86, 0.84 and 0.90; IL-12, 0.78, 0.83 and 0.86; IL-12p40, 0.82,0.65 and 0.76; IL-18, 0.87, 0.92 and 0.95; IL-27, 0.93, 0.95 and 0.95; and IL-33, 0.84, 0.80 and 0.88. CONCLUSIONS: Some of these ILs may assist in diagnosing tuberculous pleural effusion, though no single IL is likely to show adequate sensitivity or specificity on its own. Further studies on a large scale with better study design should be performed to assess the diagnostic potential of ILs. PMID- 29216865 TI - Effect of Orthokeratology on myopia progression: twelve-year results of a retrospective cohort study. AB - BACKGROUND: Several studies reported the efficacy of orthokeratology for myopia control. Somehow, there is limited publication with follow-up longer than 3 years. This study aims to research whether overnight orthokeratology influences the progression rate of the manifest refractive error of myopic children in a longer follow-up period (up to 12 years). And if changes in progression rate are found, to investigate the relationship between refractive changes and different baseline factors, including refraction error, wearing age and lens replacement frequency. In addition, this study collects long-term safety profile of overnight orthokeratology. METHODS: This is a retrospective study of sixty-six school-age children who received overnight orthokeratology correction between January 1998 and December 2013. Thirty-six subjects whose baseline age and refractive error matched with those in the orthokeratology group were selected to form control group. These subjects were followed up at least for 12 months. Manifest refractions, cycloplegic refractions, uncorrected and best-corrected visual acuities, power vector of astigmatism, corneal curvature, and lens replacement frequency were obtained for analysis. RESULTS: Data of 203 eyes were derived from 66 orthokeratology subjects (31 males and 35 females) and 36 control subjects (22 males and 14 females) enrolled in this study. Their wearing ages ranged from 7 years to 16 years (mean +/- SE, 11.72 +/- 0.18 years). The follow-up time ranged from 1 year to 13 years (mean +/- SE, 6.32 +/- 0.15 years). At baseline, their myopia ranged from -0.5 D to -8.0 D (mean +/- SE, -3.70 +/- 0.12 D), and astigmatism ranged from 0 D to -3.0 D (mean +/- SE, -0.55 +/- 0.05 D). Comparing with control group, orthokeratology group had a significantly (p < 0.001) lower trend of refractive error change during the follow-up periods. According to the analysis results of GEE model, greater power of astigmatism was found to be associated with increased change of refractive error during follow-up years. CONCLUSIONS: Overnight orthokeratology was effective in slowing myopia progression over a twelve-year follow-up period and demonstrated a clinically acceptable safety profile. Initial higher astigmatism power was found to be associated with increased change of refractive error during follow-up years. PMID- 29216866 TI - Cross sectional study of serum selenium concentration and esophageal squamous dysplasia in western Kenya. AB - BACKGROUND: Low serum selenium status has been associated with increased risk of esophageal squamous cell carcinoma (ESCC). East Africa is a region of high ESCC incidence and is known to have low soil selenium levels, but this association has not previously been evaluated. In this study we assessed the association of serum selenium concentration and the prevalence of esophageal squamous dysplasia (ESD), the precursor lesion of ESCC, in a cross-sectional study of subjects from Bomet, Kenya. METHODS: 294 asymptomatic adult residents of Bomet, Kenya completed questionnaires and underwent endoscopy with Lugol's iodine staining and biopsy for detection of ESD. Serum selenium concentrations were measured by instrumental neutron activation analysis. Odds ratios (OR) and confidence intervals (95% CI) for associations between serum selenium and ESD were calculated using unconditional logistic regression. RESULTS: The mean serum selenium concentration was 85.5 (+/-28.3) MUg/L. Forty-two ESD cases were identified (14% of those screened), including 5 (12%) in selenium quartile 1 (Q1), 5 (12%) in Q2, 15 (36%) in Q3, and 17 (40%) in Q4. Higher serum selenium was associated with prevalence of ESD (Q4 vs Q1: OR: 3.03; 95% CI: 1.05-8.74) and this association remained after adjusting for potential confounders (Q4 vs Q1: OR: 3.87; 95% CI: 1.06 14.19). CONCLUSION: This is the first study to evaluate the association of serum selenium concentration and esophageal squamous dysplasia in an African population at high risk for ESCC. We found a positive association between higher serum selenium concentration and prevalence of ESD, an association contrary to our original hypothesis. Further work is needed to better understand the role of selenium in the etiology of ESCC in this region, and to develop effective ESCC prevention and control strategies. PMID- 29216867 TI - Protein kinase C alpha enhances migration of breast cancer cells through FOXC2 mediated repression of p120-catenin. AB - BACKGROUND: Despite recent advances in the diagnosis and treatment of breast cancer, metastasis remains the main cause of death. Since migration of tumor cells is considered a prerequisite for tumor cell invasion and metastasis, a pressing goal in tumor biology has been to elucidate factors regulating their migratory activity. Protein kinase C alpha (PKCalpha) is a serine-threonine protein kinase implicated in cancer metastasis and associated with poor prognosis in breast cancer patients. In this study, we set out to define the signaling axis mediated by PKCalpha to promote breast cancer cell migration. METHODS: OncomineTM overexpression analysis was used to probe for PRKCA (PKCalpha) and FOXC2 expression in mRNA datasets. The heat map of PRKCA, FOXC2, and CTNND1 were obtained from the UC Santa Cruz platform. Survival data were obtained by PROGgene and available at http://www.compbio.iupui.edu/proggene . Markers for EMT and adherens junction were assessed by Western blotting and quantitative polymerase chain reaction. Effects of PKCalpha and FOXC2 on migration and invasion were assessed in vitro by transwell migration and invasion assays respectively. Cellular localization of E-cadherin and p120-catenin was determined by immunofluorescent staining. Promoter activity of p120-catenin was determined by dual luciferase assay using a previously validated p120-catenin reporter construct. Interaction between FOXC2 and p120-catenin promoter was verified by chromatin immunoprecipitation assay. RESULTS: We determined that PKCalpha expression is necessary to maintain the migratory and invasive phenotype of both endocrine resistant and triple negative breast cancer cell lines. FOXC2 acts as a transcriptional repressor downstream of PKCalpha, and represses p120-catenin expression. Consequently, loss of p120-catenin leads to destabilization of E cadherin at the adherens junction. Inhibition of either PKCalpha or FOXC2 is sufficient to rescue p120-catenin expression and trigger relocalization of p120 catenin and E-cadherin to the cell membrane, resulting in reduced tumor cell migration and invasion. CONCLUSIONS: Taken together, these results suggest that breast cancer metastasis may partially be controlled through PKCalpha/FOXC2 dependent repression of p120-catenin and highlight the potential for PKCalpha signal transduction networks to be targeted for the treatment of endocrine resistant and triple negative breast cancer. PMID- 29216868 TI - Socio-demographic determinants and effect of structured personal diabetes care: a 19-year follow-up of the randomized controlled study diabetes Care in General Practice (DCGP). AB - BACKGROUND: We investigated how four aspects of socio-demography influence the effectiveness of an intervention with structured personal diabetes care on long term outcomes. METHODS: The Diabetes Care in General Practice (DCGP) study is a cluster-randomized trial involving a population-based sample of 1381 patients with newly diagnosed type 2-diabetes mellitus. We investigated how education, employment, cohabitation status and residence influenced the effectiveness of 6 years of intervention with structured personal diabetes care, resembling present day recommendations. Outcomes were incidence of any diabetes-related endpoint and death during 19 years after diagnosis, and cardiovascular risk factors, behaviour, attitudes and process-of-care variables 6 years after diagnosis. RESULTS: Structured personal care reduced the risk of any diabetes-related endpoint and the effect of the intervention was modified by geographical area (interaction p = 0.034) with HR of 0.71 (95%CI: 0.60-0.85) and of 1.07 (95%CI: 0.77-1.48), for patients in urban and rural areas, respectively. Otherwise, there was no effect modification of education, employment and civil status on the intervention for the final endpoints. There were no noticeable socio-demographic differences in the effect of the intervention on cardiovascular risk factors, behaviour, attitudes, and process-of-care. CONCLUSION: Structured personal care reduced the aggregate outcome of any diabetes-related endpoint and independent of socio-demographic factors similar effect on cardiovascular risk factors, behaviour, attitudes and process of care, but the intervention did not change the existing inequity in mortality and morbidity. Residence modified the uptake of the intervention with patients living in urban areas having more to gain of the intervention than rural patients, further investigations is warranted. TRIAL REGISTRATION: ClinicalTrials.gov registration no. NCT01074762 (February 24, 2010). PMID- 29216869 TI - Horizontal ridge reconstruction of the anterior maxilla using customized allogeneic bone blocks with a minimally invasive technique - a case series. AB - BACKGROUND: Different surgical procedures have been proposed to achieve horizontal ridge reconstruction of the anterior maxilla; all these procedures, however, require bone replacement materials to be adapted to the bone defect at the time of implantation, resulting in complex and time-consuming procedures. The purpose of this study was to describe how to use a 3D printed hardcopy model of the maxilla to prepare customized milled bone blocks, to be adapted on the bone defect areas using a minimally invasive subperiosteal tunneling technique. METHODS: Cone beam computed tomography (CBCT) images of the atrophic maxilla of six patients were acquired and modified into 3D reconstruction models. Data were transferred to a 3D printer and solid models were fabricated using autoclavable nylon polyamide. Before the surgery, freeze-dried cortico-cancellous blocks were manually milled and adapted on the 3D printed hardcopy models of the maxillary bone, in order to obtain customized allogeneic bone blocks. RESULTS: In total, eleven onlay customized allogeneic bone grafts were prepared and implanted in 6 patients, using a minimally invasive subperiosteal tunneling technique. The scaffolds closely matched the shape of the defects: this reduced the operation time and contributed to good healing. The patients did not demonstrate adverse events such as inflammation, dehiscence or flap re-opening during the recovery period; however, one patient experienced scaffold resorption, which was likely caused by uncontrolled motion of the removable provisional prosthesis. Following a 6 month healing period, CBCT was used to assess graft integration, which was followed by insertion of implants into the augmented areas. Prosthetic restorations were placed 4 months later. CONCLUSIONS: These observations suggest that customized bone allografts can be successfully used for horizontal ridge reconstruction of the anterior maxilla: patients demonstrated reduced morbidity and decreased total surgery time. Further studies on a larger sample of patients, with histologic evaluation and longer follow-up are needed to confirm the present observations. PMID- 29216870 TI - Prevalence and severity of menopause symptoms among perimenopausal and postmenopausal women aged 30-49 years in Gulele sub-city of Addis Ababa, Ethiopia. AB - BACKGROUND: Menopause is a natural phenomenon occurring as women approach middle age. It is characterized by declining of ovarian function and onset of the last menstrual period and subsequent 12-month cessation of menstruation. Due to a growing aging population and longer life expectancies, sub-Saharan African women will spend a significant portion of their lives in postmenopause. Menopausal symptom research has been primarily conducted on Caucasian women from high-income countries. Understanding menopause symptom prevalence and perceptions among diverse women in Ethiopia will better inform reproductive health care. METHODS: We conducted a multi-stage, cross-sectional study on 226 perimenopausal and postmenopausal women aged 30-49 years in Gulele sub-city of Addis Ababa, Ethiopia. Data on socio-demographic characteristics, menopausal status and an 11 item Menopause Rating Scale (MRS) were collected using interviewer-administered questionnaire. Statistical analyses consisted of descriptive data and chi-squared analyses. RESULTS: Study participants were 40.4 +/- 5.9 years, on average, with the majority married, educated at secondary school level, and comprised different ethnicities and wealth tertiles. The most prevalent types of menopausal symptoms reported from the MRS were from somatic subscale (65.9%) while psychological (46.0%) and urogenital subscale symptoms (30.5%) were also prevalent. The most commonly reported individual symptoms were: hot flushes (65.9% (95% CI: 59.4% 72.1%)), difficulty falling asleep (49.6% (95% CI: 42.9%-56.3%)), depressive mood (46.0% (95% CI: 39.4%-52.8%)), irritability (45.1% (95% CI: 38.5%-51.9%)), and anxiety (39.8% (95% CI: 33.4%-46.5%)). Each of the somatic, psychological, and urogenital MRS subscale scores were higher among postmenopausal women compared to perimenopausal women. Women self-reported differing severity levels of symptoms with high severity reported in 8.4% of total MRS, 1.3% of somatic, 10.6% of psychological, and 8.4% of urogenital scales. CONCLUSIONS: Our study provides the first presentation of menopausal symptoms among perimenopausal and postmenopausal women in the Gulele sub-city of Addis Ababa, Ethiopia. We capture the prevalence of menopausal symptoms experienced as well as self-rated severity through the MRS. Our findings reflect menopausal symptoms in our specific study population and have been found to be consistent with previous international research. PMID- 29216871 TI - Mental health literacy among pediatric hospital staff in the United Arab Emirates. AB - BACKGROUND: In the United Arab Emirates (UAE) 35% of the population are aged 0-24 years. A significant proportion of these young people are living with chronic conditions (e.g., asthma, type 1 diabetes, cardiac conditions, and genetically transmitted conditions such as thalassemia and cystic fibrosis). This group has increased vulnerability to developmental delays and mental health problems, and is increasingly coming to the attention of service providers in mainstream schools, primary healthcare centers, and pediatric hospitals. Despite the government directing attention to improving the mental health of the UAE population, there is concern that mental health services are not growing at the rate needed to meet the mental health needs of children and young people with chronic conditions. METHOD: A cross sectional survey design was used to determine the mental health literacy of nurses and other healthcare professionals working with children with chronic illnesses. Participants completed a culturally-adapted mental health literacy questionnaire comprising three vignettes of fictional characters meeting diagnostic criteria for posttraumatic stress disorder, psychosis, and depression with suicidal thoughts. Participants also completed the Kessler Psychological Distress Scale (K10). RESULTS: Participants were 317 healthcare professionals from across the UAE. The majority were nurses. Correct identification of the diagnosis for each vignette was limited, with the highest level of accuracy achieved for the psychosis vignette (n = 113, 54.3%). Accurate identification of appropriate evidence-based interventions was also limited. K10 scores indicated 40% of participants had moderate to high levels of psychological distress. CONCLUSIONS: These findings are concerning and provide important data to inform the development of undergraduate and continuing education programs for nurses. The K10 scores suggest healthcare professionals are under considerable stress, highlighting the need to support healthcare professionals who experience multiple psychosocial stressors. PMID- 29216872 TI - Late-onset diffuse lamellar keratitis 4 years after femtosecond laser-assisted small incision lenticule extraction: a case report. AB - BACKGROUND: To report a first case of late-onset diffuse lamellar keratitis (DLK) occurring 4 years after femtosecond laser-assisted small incision lenticule extraction (SMILE). CASE PRESENTATION: A 41-year-old man who underwent SMILE 4 years prior developed DLK in the right eye 1 day after he was struck in the eye by a finger while playing with his son. Slim-lamp microscopy and anterior segment optical coherence tomography (AS-OCT) were used to evaluate the cornea of the right eye. Slit-lamp examination of the right eye revealed epithelial exfoliation and stage 3 DLK with diffuse, dot-like, granular haze in the interface between the cap and stromal bed. After intensive treatment with topical corticosteroids, the DLK resolved and corneal transparency was achieved. CONCLUSIONS: This case indicates that DLK can occur several years after SMILE. Ocular trauma may be a risk factor for the development of DLK. The prognosis is usually favorable with early diagnosis and treatment with topical corticosteroids. PMID- 29216873 TI - Community-based specialist palliative care is associated with reduced hospital costs for people with non-cancer conditions during the last year of life. AB - BACKGROUND: Community-based palliative care is associated with reduced hospital costs for people dying from cancer. It is unknown if reduced hospital costs are universal across multiple life-limiting conditions amenable to palliative care. The aim of this study was to determine if community-based palliative care provided to people dying from non-cancer conditions was associated with reduced hospital costs in the last year of life and how this compared with people dying from cancer. METHOD: A retrospective population-based cohort study of all decedents in Western Australia who died January 2009 to December 2010 from a life limiting condition considered amenable to palliative care. Hospital costs were assigned to each day of the last year of life for each decedent with a zero cost applied to days not in hospital. Day-specific hospital costs averaged over all decedents (cohort averaged) and decedents in hospital only (inpatient averaged) were estimated. Two-part models and generalised linear models were used. RESULTS: The cohort comprised 12,764 decedents who, combined, spent 451,236 (9.7%) days of the last year of life in hospital. Overall, periods of time receiving community based specialist palliative care were associated with a 27% decrease from A$112 (A$110-A$114) per decedent per day to $A82 (A$78-A$85) per decedent per day of CA hospital costs. Community-based specialist palliative care was also associated a reduction of inpatient averaged hospital costs of 9% (7%-10%) to A$1030 per hospitalised decedent per day. Hospital cost reductions were observed for decedents with organ failures, chronic obstructive pulmonary disease, Alzheimer's disease, Parkinson's disease and cancer but not for motor neurone disease. Cost reductions associated with community-based specialist palliative care were evident 4 months before death for decedents with cancer and by one to 2 months before death for decedents dying from other conditions. CONCLUSION: Community based specialist palliative care was associated with hospital cost reductions across multiple life-limiting conditions. PMID- 29216874 TI - Factors influencing the experience of sexual and reproductive healthcare for female adolescents with perinatally-acquired HIV: a qualitative case study. AB - BACKGROUND: Young people living with perinatally-acquired HIV require age appropriate support regarding sex and relationships as they progress towards adulthood. HIV affects both genders but evidence suggests that young women are particularly vulnerable to sexual abuse and more prone to engaging in sexual behaviours to meet their daily survival needs. This can result in poor sexual and reproductive health (SRH) outcomes. HIV services in Malawi provide support for young women's HIV-related clinical needs, but it is unclear whether there is sufficient provision for their SRH needs as they become adults. This paper explores the sex and relationship experiences of young women growing up with perinatally-acquired HIV in order to understand how to improve SRH care and associated outcomes. METHODS: A qualitative case study approach was adopted in which each 'case' comprised a young woman (15-19 years) with perinatally acquired HIV, a nominated caregiver and service provider. Participants were purposively selected from three multidisciplinary centres providing specialised paediatric/adolescent HIV care in Malawi. Data was collected for 14 cases through in-depth interviews (i.e. a total of 42 participants) and analysed using within case and cross-case approaches. The interviews with adolescents were based on an innovative visual method known as 'my story book' which encouraged open discussion on sensitive topics. RESULTS: Young women reported becoming sexually active at an early age for different reasons. Some sought a sense of intimacy, love, acceptance and belonging in these relationships, noting that they lacked this at home and/or within their peer groups. For others, their sexual activity was more functional - related to meeting survival needs. Young women reported having little control over negotiating safer sex or contraception. Their priority was preventing unwanted pregnancies yet several of the sample already had babies, and transfer to antenatal services created major disruptions in their HIV care. In contrast, caregivers and nurses regarded sexual activity from a clinical perspective, fearing onward transmission of HIV and advocating abstinence or condoms where possible. In addition, a cultural silence rooted in dominant religious and traditional norms closed down possibilities for discussion about sexual matters and prevented young women from accessing contraception. CONCLUSION: The study has shown how young women, caregivers and service providers have contrasting perspectives and priorities around SRH care. Illumination of these differences highlights a need for service improvement. It is suggested that young women themselves are involved in future service improvement initiatives to encourage the development of culturally and socially acceptable pathways of care. PMID- 29216875 TI - Pulmonary inflammatory Myofibroblastic tumor indistinguishable from tuberculosis: a case report in a five-year-old child with hemoptysis. AB - BACKGROUND: Pulmonary inflammatory myofibroblastic tumor (PIMT) is a rare disease in China and its incidence is much lower than that of tuberculosis. PIMT accounts for only 0.04-1.2% of all lung tumors. PIMT can occurs in any age and nearly every part of the body. The clinical symptoms and radiological features of PIMT are nonspecific. Diagnosis is only made on the basis of histopathologic or immunohistochemical evaluation of the postoperation resected tissue. The therapeutic approach to PIMT should rely mainly on complete surgical resection. CASE PRESENTATION: We report a case of PIMT with hemoptysis. The girl was misdiagnosed with tuberculosis and treated with anti-tuberculous drugs for a long period of time. A right upper and middle lobectomy was performed and further assessment of the tissue demonstrated a pathologic diagnosis of PIMT. CONCLUSIONS: Despite a high incidence of tuberculosis, we must consider the possibility of PIMTs in such cases to prevent misdiagnosis and mistreatment. PMID- 29216876 TI - Refugees' experiences of healthcare in the host country: a scoping review. AB - BACKGROUND: During the last years, Europe experienced an increase in immigration due to a variety of worldwide wars and conflicts, which in turn resulted in a greater number of physical and mental health issues present among the refugees. These factors place high demands not only on the refugees, but also on healthcare professionals who meet the refugees in different situations. Information about the refugees' experiences of the healthcare systems in their host countries is urgently needed to improve the quality of healthcare delivered, as well as to provide opportunities for better access. The aim of this scoping review is to compile research about the experiences that the refugees have with the healthcare systems in their host countries. METHODS: This study was conducted as a scoping review and the methodology is derived from Levac et al. and with inspiration from the framework of Arksey & O'Malley. A systematic article search was done in Medline, Cinahl and Psychinfo. A total of 619 articles were found in the search and finally 26 articles met the inclusion criteria and were included. RESULTS: The results show that communication between healthcare professionals and refugees is important, however, insufficient language knowledge acts as an effective communication barrier. There is a need for more information to be given to the refugees about the reception country's healthcare system in both oral and written formats, as well as the right to healthcare. Support from healthcare professionals is also important for refugees to have a positive experience with healthcare. In some of the studies included, refugees experienced discrimination due to low proficiency in the language of the host country, and/or because of their race or accent, which shows that culturally appropriate healthcare is needed for them. CONCLUSIONS: Since refugees are suffering from poor mental and physical health and could therefore be at a greater risk of morbidity and mortality in comparison to the rest of the population of the host country, there is an urgent need for improvements in communication, interpretation, support, and deliverance of culturally appropriate healthcare. PMID- 29216877 TI - Donor-funded project's sustainability assessment: a qualitative case study of a results-based financing pilot in Koulikoro region, Mali. AB - BACKGROUND: Results-based financing (RBF) is emerging as a new alternative to finance health systems in many African countries. In Mali, a pilot project was conducted to improve demand and supply of health services through financing performance in targeted services. No study has explored the sustainability process of such a project in Africa. This study's objectives were to understand the project's sustainability process and to assess its level of sustainability. METHODS: Sustainability was examined through its different determinants, phases, levels and contexts. These were explored using qualitative interviews to discern, via critical events, stakeholders' ideas regarding the project's sustainability. Data collection sites were chosen with the participation of different stakeholders, based on a variety of criteria (rural/urban settings, level of participation, RBF participants still present, etc.). Forty-nine stakeholders were then interviewed in six community health centres and two referral health centres (from 11/12/15 to 08/03/16), including health practitioners, administrators, and those involved in implementing and conceptualizing the program (government and NGOs). A theme analysis was done with the software (c) QDA Miner according to the study's conceptual framework. RESULTS: The results of this project show a weak level of sustainability due to many factors. While some gains could be sustained (ex.: investments in long-term resources, high compatibility of values and codes, adapted design to the implementations contexts, etc.) other intended benefits could not (ex.: end of investments, lack of shared cultural artefacts around RBF, loss of different tasks and procedures, need of more ownership of the project by the local stakeholders). A lack of sustainability planning was observed, and few critical events were associated to phases of sustainability. CONCLUSIONS: While this RBF project aimed at increasing health agents' motivation through different mechanisms (supervision, investments, incentives, etc.), these results raise questions on what types of motivation could be more stable and what could be the place of local stakeholders in the project; all this with the aim of more sustained and efficient results. PMID- 29216878 TI - Adaptive phenotype drives resistance to androgen deprivation therapy in prostate cancer. AB - BACKGROUND: Prostate cancer (PCa), the second most common cancer affecting men worldwide, shows a broad spectrum of biological and clinical behaviour representing the epiphenomenon of an extreme heterogeneity. Androgen deprivation therapy is the mainstay of treatment for advanced forms but after few years the majority of patients progress to castration-resistant prostate cancer (CRPC), a lethal form that poses considerable therapeutic challenges. METHODS: Western blotting, immunocytochemistry, invasion and reporter assays, and in vivo studies were performed to characterize androgen resistant sublines phenotype in comparison to the parental cell line LNCaP. RNA microarray, mass spectrometry, integrative transcriptomic and proteomic differential analysis coupled with GeneOntology and multivariate analyses were applied to identify deregulated genes and proteins involved in CRPC evolution. RESULTS: Treating the androgen responsive LNCaP cell line for over a year with 10 MUM bicalutamide both in the presence and absence of 0.1 nM 5-alpha-dihydrotestosterone (DHT) we obtained two cell sublines, designated PDB and MDB respectively, presenting several analogies with CRPC. Molecular and functional analyses of PDB and MDB, compared to the parental cell line, showed that both resistant cell lines were PSA low/negative with comparable levels of nuclear androgen receptor devoid of activity due to altered phosphorylation; cell growth and survival were dependent on AKT and p38MAPK activation and PARP-1 overexpression; their malignant phenotype increased both in vitro and in vivo. Performing bioinformatic analyses we highlighted biological processes related to environmental and stress adaptation supporting cell survival and growth. We identified 15 proteins that could direct androgen resistance acquisition. Eleven out of these 15 proteins were closely related to biological processes involved in PCa progression. CONCLUSIONS: Our models suggest that environmental factors and epigenetic modulation can activate processes of phenotypic adaptation driving drug-resistance. The identified key proteins of these adaptive phenotypes could be eligible targets for innovative therapies as well as molecules of prognostic and predictive value. PMID- 29216879 TI - Anti-diabetic potential of Sapium ellipticum (Hochst) Pax leaf extract in Streptozotocin(STZ)-induced diabetic Wistar rats. AB - BACKGOUND: Ethnobatanical survey associates Sapium ellipticum (SE) with antidiabetic usage among other medicinal functions in different parts of Africa. More importantly, previous studies on the plant extract in our laboratory showed that SE has significant effects on the activities of carbohydrate metabolizing enzymes such as glucokinase, glucose-6-phosphatase, alpha-amylase and alpha glucosidase. In view of these, the anti-diabetic potential of the plant leaf extract in streptozotocin (STZ)-induced diabetes rat model (Wistar strain) was examined. METHODS: Diabetes was induced in experimental animals via single intraperitoneal dose (55 mg/kg BW) of freshly prepared STZ. SE was evaluated at 400 and 800 mg kg-1 of body weight (BW), against metformin (12 mgkg-1 BW). Treatments were done orally (p.o), twice daily at 8 h interval for a period of 21 days. RESULTS: SE significantly reduced fasting blood glucose (FBG) level by 46.5 and 44.4% (400 and 800 mg dosage respectively) compared to initial diabetic values. However, the effects were significantly lower than 72.6% glucose reduction produced by metformin. Hepatic and skeletal muscle glycogens were observed to increase by 27.06 and 12.55% respectively in SE-treated rats (800 mg dosage) compared to their corresponding values in diabetic control animals. Plasma and pancreatic insulin contents were also improved (31.77 and 52.34% respectively) by SE administration. The histopathological examination of the pancreas indicates beta cells regeneration in the treated animals, particularly in diabetic rats treated with 800 mg dosage of the extract compared to the diabetic control animals and metformin group. The presence of phenolic compounds namely amentoflavone, lupeol and luteolin-7-O-glucoside in SE as characterized and reported in our previous study is likely responsibly for the antidiabetic effects of the plant extract noted in the present study. CONCLUSION: The outcome of this study provides scientific basis in support of the medicinal relevance of SE and lend credence to its utilization in folk medicine for the treatment of diabetes and other oxidative stress-related ailments. PMID- 29216880 TI - Cost-effectiveness of Human Papilloma Virus (HPV) vaccination in Nigeria: a decision analysis using pragmatic parameter estimates for cost and programme coverage. AB - BACKGROUND: World Health Organisation recommends routine Human Papilloma Virus (HPV) vaccination for girls when its cost-effectiveness in the country or region has been duly considered. We therefore aimed to evaluate cost-effectiveness of HPV vaccination in Nigeria using pragmatic parameter estimates for cost and programme coverage, i.e. realistically achievable in the studied context. METHODS: A microsimulation frame-work was used. The natural history for cervical cancer disease was remodelled from a previous Nigerian model-based study. Costing was based on health providers' perspective. Disability adjusted life years attributable to cervical cancer mortality served as benefit estimate. Suitable policy option was obtained by calculating the incremental costs-effectiveness ratio. Probabilistic sensitivity analysis was used to assess parameter uncertainty. One-way sensitivity analysis was used to explore the robustness of the policy recommendation to key parameters alteration. Expected value of perfect information (EVPI) was calculated to determine the expected opportunity cost associated with choosing the optimal scenario or strategy at the maximum cost effectiveness threshold. RESULTS: Combination of the current scenario of opportunistic screening and national HPV vaccination programme (CS + NV) was the only cost-effective and robust policy option. However, CS + NV scenario was only cost-effective so far the unit cost of HPV vaccine did not exceed $5. EVPI analysis showed that it may be worthwhile to conduct additional research to inform the decision to adopt CS + NV. CONCLUSIONS: National HPV vaccination combined with opportunist cervical cancer screening is cost-effective in Nigeria. However, adoption of this strategy should depend on its relative efficiency when compared to other competing new vaccines and health interventions. PMID- 29216882 TI - Case report: surgical removal of a migrated needle in right ventricle of an intravenous drug user. AB - BACKGROUND: Illicit drug use has become an increasing public health and social concern in the past decades worldwide. Intravenous injection has an elevated risk of infection. Needle embolism is a rare complication of intravenous drug users, Retained broken needles can lead to local complications, such as infection, but they also have the potential to embolize to heart or lung, and lead to serious complications. METHOD: We reported a rare case of an intravenous drug user which a retained broken needle fragments in the inferior wall of the right ventricle. RESULTS: We performed a successful surgery and give our comments and recommendations for illicit drug use worldwide and in China. CONCLUSIONS: Illicit Drug use becomes a global problem because of its health and social harmfulness. To help drug addicts and provide prevention and treatment services are the obligations and responsibilities of all medical workers. PMID- 29216881 TI - Risks, benefits size and clinical implications of combined oral contraceptive use in women with polycystic ovary syndrome. AB - BACKGROUND: Polycystic ovary syndrome (PCOS) is a complex condition with high risk for dyslipidemia, dysglycemia, venous thromboembolism, cardiovascular disease and metabolic syndrome. Because the combined oral contraceptive (COC) use has also been associated with impaired fasting glucose, insulin resistance and increased risk of thromboembolism disease, it is rationale to think that the combination of oral contraceptive and PCOS could make it worse or increase the risks. OBJECTIVE: To examine the current data regarding potential additional risks and benefits of contraceptive use, highlights the major gap in knowledge for designing future studies and, when possible, suggests an adequate COC formulation for a determined PCOS phenotype. METHODS: English-language publications reporting on the influence of COCS in the development of venous thromboembolism in PCOS patients published until 2017 were searched using PubMed, Cochrane database, and hand search of references found in consulted articles. Ranges of collected data are given; the pooled data are presented as median and first and third quartiles. Wilcoxon signed-ranks test for paired samples was used to compare before-after original data. P value was set at 0.05. RESULTS: Most of COCs preparations significantly decrease androgens, and increase sex-hormone binding globulin. Therefore, the benefits of COCs are clear in patients with proved hyperandrogenemia. Regarding the impact of COCs on carbohydrate metabolism of PCOS subjects, the data were inconsistent but they tended to show no additional risk. Regarding lipids, most COCs consistently increased high-density lipoprotein cholesterol, triglycerides and total cholesterol concentrations but the clinical implications of these changes need additional studies. CONCLUSION: The review showed consistent beneficial effect of COCs, particularly for hyperandrogenemic PCOS patients. The benefit size of COC's use by normoandrogenemic PCOS patients is uncertain and need more investigation. The effects of COC use on carbohydrate metabolism of women with PCOS are still unresolved since most studies are observational but the current results demonstrated that COCs do not make their levels worse and may improve insulin sensitivity. The impact of COCs on lipids of PCOS patients seems to be clearer and most preparations increase total cholesterol, high-density lipoprotein cholesterol and triglycerides. In summary, it is important to balance the potential benefits and risks of the COCs individually before prescribing them for PCOS women. PMID- 29216883 TI - Transplant eligibility for patients with affective and psychotic disorders: a review of practices and a call for justice. AB - BACKGROUND: The scarcity of human organs requires the transplant community to make difficult allocation decisions. This process begins at individual medical centers, where transplant teams decide which patients to place on the transplant waiting list. Each transplant center utilizes its own listing criteria to determine if a patient is eligible for transplantation. These criteria have historically considered preexisting affective and psychotic disorders to be relative or absolute contraindications to transplantation. While attitudes within the field appear to be moving away from this practice, there is no data to confirm that eligibility criteria have changed. MAIN BODY: There are no nationwide guidelines detailing the manner in which affective and psychotic disorders should impact transplant eligibility. Individual transplant centers thus form their own transplant eligibility criteria, resulting in significant inter-institution variability. Data from the 1990s indicates that the majority of transplant programs considered certain psychiatric illnesses, such as active schizophrenia, to be absolute contraindications to transplantation. A review of literature reveals that no comprehensive data has been collected on the topic since that time. Furthermore, the limited data available about current practices suggests that psychiatric illness continues to be viewed as a contraindication to transplantation at some transplant centers. In light of this finding, we review psychiatric literature that examines the impact of affective and psychotic disorders on transplant outcomes and conclude that the presence of these disorders is not an accurate predictor of transplant success. We then discuss the requirements of justice as they relate to the creation of a just organ allocation system. CONCLUSION: We conclude that transplant eligibility criteria that exclude patients with affective and psychotic disorders on the basis of their psychiatric diagnosis alone are unjust. Just listing criteria must incorporate only those factors that have a causative effect on posttransplant morbidity and mortality. Justice also demands that we eliminate current inter-institution practice variations in favor of national transplant eligibility criteria. Given the limited data available about current practices, we call for an updated study investigating the manner in which affect and psychotic disorders impact transplant eligibility determinations. PMID- 29216884 TI - Intensity modulated radiation therapy and surgery for Management of Retroperitoneal Sarcomas: a single-institution experience. AB - BACKGROUND: Peri-operative radiation of retroperitoneal sarcomas (RPS) is an important component of multidisciplinary treatment. All retrospective series thus far included patients treated with older radiation therapy (RT) techniques including 2D and 3DRT. Intensity modulated radiation therapy (IMRT) allows for selective dose escalation while sparing adjacent organs. We therefore report the first series of patients with RPS treated solely with IMRT, surgery and chemotherapy. We hypothesized that IMRT would permit safe dose escalation and superior rates of local control (LC) in this high-risk patient population. METHODS: Thirty patients with RPS treated with curative intent between 2006 and 2015 were included in this retrospective study. RT was administered either pre- or post-operatively and IMRT was used in all patients. Statistical comparisons, LC, distant metastasis (DM), and overall survival (OS) were calculated by Kaplan Meier analysis and univariate Cox regression. RESULTS: Median follow-up time after completion of RT was 36 months (range 1.4-112). Median tumor size was 14 cm (range 3.6 - 28 cm). The most prevalent histologies were liposarcoma in 10 (33%) patients and leiomyosarcoma in 10 (33%) with 21 patients (70%) having high-grade disease. Twenty-eight (93%) patients had surgical resection with 47% having positive margins. Chemotherapy was administered in 9 (30%) patients. RT was delivered pre-operatively in 11 (37%) patients, and post-operatively in 19 (63%) with 60% of patients receiving a simultaneous integrated boost. Pre-operative median RT dose to the high-risk area was 55 Gy (range, 43-66 Gy) while median post-operative dose was 60.4 Gy (range, 45-66.6 Gy). There was one acute grade 3 and one late grade 3 toxicity and no grade 4 or 5 toxicities. Three year actuarial LC, freedom from DM, and OS rates were 84%, 64%, and 68% respectively. Positive surgical margins were associated with a higher risk of local recurrence (p = 0.02) and decreased OS (p = 0.04). Pre-operative RT was associated with improved LC (p = 0.1) with a 5-year actuarial LC of 100%. Administration of chemotherapy, timing of RT, histology or grade was not predictive of OS. CONCLUSIONS: Patients with RPS treated with peri-operative IMRT at our institution had excellent local control and low incidences of toxicity. PMID- 29216885 TI - A systematic approach to ultrasound-guided central venous catheter placement desirable modifications. PMID- 29216886 TI - A mixed-methods study of system-level sustainability of evidence-based practices in 12 large-scale implementation initiatives. AB - BACKGROUND: In recent decades, evidence-based practices (EBPs) have been broadly promoted in community behavioural health systems in the United States of America, yet reported EBP penetration rates remain low. Determining how to systematically sustain EBPs in complex, multi-level service systems has important implications for public health. This study examined factors impacting the sustainability of parent-child interaction therapy (PCIT) in large-scale initiatives in order to identify potential predictors of sustainment. METHODS: A mixed-methods approach to data collection was used. Qualitative interviews and quantitative surveys examining sustainability processes and outcomes were completed by participants from 12 large-scale initiatives. RESULTS: Sustainment strategies fell into nine categories, including infrastructure, training, marketing, integration and building partnerships. Strategies involving integration of PCIT into existing practices and quality monitoring predicted sustainment, while financing also emerged as a key factor. CONCLUSIONS: The reported factors and strategies impacting sustainability varied across initiatives; however, integration into existing practices, monitoring quality and financing appear central to high levels of sustainability of PCIT in community-based systems. More detailed examination of the progression of specific activities related to these strategies may aide in identifying priorities to include in strategic planning of future large-scale initiatives. TRIAL REGISTRATION: ClinicalTrials.gov ID NCT02543359 ; Protocol number PRO12060529. PMID- 29216887 TI - Comparative analyses of DHA-Phosphatidylcholine and recombination of DHA Triglyceride with Egg-Phosphatidylcholine or Glycerylphosphorylcholine on DHA repletion in n-3 deficient mice. AB - BACKGROUND: Docosahexaenoic acid (DHA) is important for optimal neurodevelopment and brain function during the childhood when the brain is still under development. METHODS: The effects of DHA-Phosphatidylcholine (DHA-PC) and the recombination of DHA-Triglyceride with egg PC (DHA-TG + PC) or alpha Glycerylphosphorylcholine (DHA-TG + alpha-GPC) were comparatively analyzed on DHA recovery and the DHA accumulation kinetics in tissues including cerebral cortex, erythrocyte, liver, and testis were evaluated in the weaning n-3 deficient mice. RESULTS: The concentration of DHA in weaning n-3 deficient mice could be recovered rapidly by dietary DHA supplementation, in which DHA-PC exhibited the better efficacy than the recombination of DHA-Triglyceride with egg PC or alpha GPC. Interestingly, DHA-TG + alpha-GPC exhibited the greater effect on DHA accumulation than DHA-TG + PC in cerebral cortex and erythrocyte (p < 0.05), which was similar to DHA-PC. Meanwhile, DHA-TG + PC showed a similar effect to DHA-PC on DHA repletion in testis, which was better than that of DHA-TG + alpha GPC (p < 0.05). CONCLUSION: We concluded that different forms of DHA supplements could be applied targetedly based on the DHA recovery in different tissues, although the supplemental effects of the recombination of DHA-Triglyceride with egg PC or alpha-GPC were not completely equivalent to that of DHA-PC, which could provide some references to develop functional foods to support brain development and function. PMID- 29216888 TI - Telomere heterogeneity linked to metabolism and pluripotency state revealed by simultaneous analysis of telomere length and RNA-seq in the same human embryonic stem cell. AB - BACKGROUND: Telomere length heterogeneity has been detected in various cell types, including stem cells and cancer cells. Cell heterogeneity in pluripotent stem cells, such as embryonic stem cells (ESCs), is of particular interest; however, the implication and mechanisms underlying the heterogeneity remain to be understood. Single-cell analysis technology has recently been developed and effectively employed to investigate cell heterogeneity. Yet, methods that can simultaneously measure telomere length and analyze the global transcriptome in the same cell have not been available until now. RESULTS: We have established a robust method that can simultaneously measure telomere length coupled with RNA sequencing analysis (scT&R-seq) in the same human ESC (hESC). Using this method, we show that telomere length varies with pluripotency state. Compared to those with long telomere, hESCs with short telomeres exhibit the lowest expressions of TERF1/TRF1, and ZFP42/REX1, PRDM14 and NANOG markers for pluripotency, suggesting that these hESCs are prone to exit from the pluripotent state. Interestingly, hESCs ubiquitously express NOP10 and DKC1, stabilizing components of telomerase complexes. Moreover, new candidate genes, such as MELK, MSH6, and UBQLN1, are highly expressed in the cluster of cells with long telomeres and higher expression of known pluripotency markers. Notably, short telomere hESCs exhibit higher oxidative phosphorylation primed for lineage differentiation, whereas long telomere hESCs show elevated glycolysis, another key feature for pluripotency. CONCLUSIONS: Telomere length is a marker of the metabolic activity and pluripotency state of individual hESCs. Single cell analysis of telomeres and RNA sequencing can be exploited to further understand the molecular mechanisms of telomere heterogeneity. PMID- 29216890 TI - In silico and phylogenetic analyses of partial BbRAP-1, BbCP2, BbSBP-4 and BbbetaTUB gene sequences of Babesia bovis isolates from cattle in South Africa. AB - BACKGROUND: Bovine babesiosis is one of the most economically important tick borne diseases threatening the livestock industry globally including South Africa. This disease is induced by members of Babesia bovis species. Antigenic variations among geographical strains of B. bovis, and these heterogeneities are cited as the mechanism by which parasites evade from host immune system and they hamper the successful development of a single vaccine that could confer absolute protection. Given the economic importance of livestock industry in South Africa, the extent of genetic diversity among field isolates of B. bovis merits extensive investigation. In this study, we genetically characterized partial genes of B. bovis and studied the phylogenetic relationship among B. bovis isolates of South African origin. The genes, which were PCR-amplified from bovine samples collected from different locations across South Africa, coded for rhoptry-associated protein 1 (BbRAP-1), cysteine peptidase 2 (BbCP2), spherical body protein 4 (BbSBP-4) and beta-tubulin (BbbetaTUB). Phylogenies were inferred from newly determined sequences using the neighbour-joining approach. RESULTS: Nested PCR assays with gene-specific primers indicated that, of the 54 bovine samples tested, 59.3% (32/54; 95% CI = 46.0-71.3%), 27.8% (15/54; 95% CI = 17.6-40.9%), 37.0% (20/54; 95% CI = 25.4-50.4%) and 29.6% (16/54; 95% CI = 19.1-42.8%) possessed BbRAP-1, BbCP2, BbSBP-4 and BbbetaTUB fragments, respectively. Sequencing of PCR-generated fragments revealed that nucleotide sequences of each of the four genes were highly conserved among the B. bovis isolates examined. Phylogenetic analyses of BbCP2, BbSBP-4 and BbbetaTUB sequences indicated a close phylogenetic relatedness among South African-derived sequences and those of global B. bovis strains. CONCLUSION: The data reported in this study indicated that there is a high conservation among the genes of B. bovis isolates from cattle in South Africa. These findings give an indication that immunologically important proteins encoded by these genes could potentially be considered for exploitation as viable candidates for inclusion in recombinant subunit vaccines. PMID- 29216889 TI - Targeting the cross-talk between Urokinase receptor and Formyl peptide receptor type 1 to prevent invasion and trans-endothelial migration of melanoma cells. AB - BACKGROUND: Accumulating evidence demonstrates that the Urokinase Receptor (uPAR) regulates tumor cell migration through its assembly in composite regulatory units with transmembrane receptors, and uPAR88-92 is the minimal sequence required to induce cell motility through the Formyl Peptide Receptor type 1 (FPR1). Both uPAR and FPR1 are involved in melanoma tumor progression, suggesting that they may be targeted for therapeutic purposes. In this study, the role of the uPAR-FPR1 cross talk to sustain melanoma cell ability to invade extracellular matrix and cross endothelial barriers is investigated. Also, the possibility that inhibition of the uPAR mediated FPR1-dependent signaling may prevent matrix invasion and transendothelial migration of melanoma cells was investigated. METHODS: Expression levels of uPAR and FPR1 were assessed by immunocytochemistry, Western Blot and qRT-PCR. Cell migration was investigated by Boyden chamber and wound healing assays. Migration and invasion kinetics, trans-endothelial migration and proliferation of melanoma cells were monitored in real time using the xCELLigence technology. The agonist-triggered FPR1 internalization was visualized by confocal microscope. Cell adhesion to endothelium was determined by fluorometer measurement of cell-associated fluorescence or identified on multiple z-series by laser confocal microscopy. The 3D-organotypic models were set up by seeding melanoma cells onto collagen I matrices embedded dermal fibroblasts. Data were analyzed by one-way ANOVA and post-hoc Dunnett t-test for multiple comparisons. RESULTS: We found that the co-expression of uPAR and FPR1 confers to A375 and M14 melanoma cells a clear-cut capability to move towards chemotactic gradients, to cross extracellular matrix and endothelial monolayers. FPR1 activity is required, as cell migration and invasion were abrogated by receptor desensitization. Finally, melanoma cell ability to move toward chemotactic gradients, invade matrigel or fibroblast-embedded collagen matrices and cross endothelial monolayers are prevented by anti-uPAR84-95 antibodies or by the RI-3 peptide which we have previously shown to inhibit the uPAR84-95/FPR1 interaction. CONCLUSIONS: Collectively, our findings identify uPAR and FPR1 as relevant effectors of melanoma cell invasiveness and suggest that inhibitors of the uPAR84 95/FPR1 cross-talk may be useful for the treatment of metastatic melanoma. PMID- 29216891 TI - A multi-trait systems approach reveals a response cascade to bleaching in corals. AB - BACKGROUND: Climate change causes the breakdown of the symbiotic relationships between reef-building corals and their photosynthetic symbionts (genus Symbiodinium), with thermal anomalies in 2015-2016 triggering the most widespread mass coral bleaching on record and unprecedented mortality on the Great Barrier Reef. Targeted studies using specific coral stress indicators have highlighted the complexity of the physiological processes occurring during thermal stress, but have been unable to provide a clear mechanistic understanding of coral bleaching. RESULTS: Here, we present an extensive multi-trait-based study in which we compare the thermal stress responses of two phylogenetically distinct and widely distributed coral species, Acropora millepora and Stylophora pistillata, integrating 14 individual stress indicators over time across a simulated thermal anomaly. We found that key stress responses were conserved across both taxa, with the loss of symbionts and the activation of antioxidant mechanisms occurring well before collapse of the physiological parameters, including gross oxygen production and chlorophyll a. Our study also revealed species-specific traits, including differences in the timing of antioxidant regulation, as well as drastic differences in the production of the sulfur compound dimethylsulfoniopropionate during bleaching. Indeed, the concentration of this antioxidant increased two-fold in A. millepora after the corals started to bleach, while it decreased 70% in S. pistillata. CONCLUSIONS: We identify a well-defined cascading response to thermal stress, demarking clear pathophysiological reactions conserved across the two species, which might be central to fully understanding the mechanisms triggering thermally induced coral bleaching. These results highlight that bleaching is a conserved mechanism, but specific adaptations linked to the coral's antioxidant capacity drive differences in the sensitivity and thus tolerance of each coral species to thermal stress. PMID- 29216892 TI - Opiate agonist treatment to improve health of individuals with opioid use disorder in Lebanon. AB - BACKGROUND: Opioid agonist therapy has been widely used to reduce harms among individuals with opioid use disorder but its effectiveness has not been evaluated in the Middle East North African (MENA) region. This study aims to evaluate the effectiveness of a program using opioid agonist therapy in combination with psychosocial support on improving psychological and social well-being, reducing arrest, and reducing risky behavior in individuals with opioid use disorder in Lebanon. METHODS: A one-group pre-test post-test design study was performed at SKOUN Lebanese Addiction Centre between January 2013 and December 2014. Eighty six out of 181 patients agreed to participate and completed the 3-month assessment and 38 concluded the 12-month assessment. Psychological (depression and anxiety, quality of life), substance dependence/abuse, behavioral (injecting behavior, sharing needles and paraphernalia), and social outcomes were evaluated at baseline, 3, and 12 months post-treatment. RESULTS: Remarkable statistical significance improvements were observed 3 months after treatment in most outcome variables including quality of life, anxiety, substance dependence, overdose, employment, and injecting behavior. Improvements were sustained 12 months after treatment. CONCLUSION: Results support expanding the access to opioid agonist therapy in other MENA countries to treat substance dependence and reduce harms among individuals with opioid use disorder. PMID- 29216894 TI - Early winners and losers in dialysis center pay-for-performance. AB - BACKGROUND: We examined the association of dialysis facility characteristics with payment reductions and change in clinical performance measures during the first year of the United States Centers for Medicare & Medicaid Services (CMS) End Stage Renal Disease Quality Incentive Plan (ESRD QIP) to determine its potential impact on quality and disparities in dialysis care. METHODS: We linked the 2012 ESRD QIP Facility Performance File to the 2007-2011 American Community Survey by zip code and dichotomized the QIP total performance scores-derived from percent of patients with urea reduction rate > 65, hemoglobin < 10 g/dL, and hemoglobin > 12 g/dL-as 'any' versus 'no' payment reduction. We characterized associations between payment reduction and dialysis facility characteristics and neighborhood demographics, and examined changes in facility outcomes between 2007 and 2010. RESULTS: In multivariable analysis, facilities with any payment reduction were more likely to have longer operation (OR 1.03 per year), a medium or large number of stations (OR 1.31 and OR 1.42, respectively), and a larger proportion of African Americans (OR 1.25, highest versus lowest quartile), all p < 0.05. Most improvement in clinical performance was due to reduced overtreatment of anemia, a decline in the percentage of patients with hemoglobin >= 12 g/dL; for-profits and facilities in African American neighborhoods had the greatest reduction. CONCLUSIONS: In the first year of CMS pay-for-performance, most clinical improvement was due to reduced overtreatment of anemia. Facilities in African American neighborhoods were more likely to receive a payment reduction, despite their large decline in anemia overtreatment. PMID- 29216893 TI - The integration of chloroplast protein targeting with plant developmental and stress responses. AB - The plastids, including chloroplasts, are a group of interrelated organelles that confer photoautotrophic growth and the unique metabolic capabilities that are characteristic of plant systems. Plastid biogenesis relies on the expression, import, and assembly of thousands of nuclear encoded preproteins. Plastid proteomes undergo rapid remodeling in response to developmental and environmental signals to generate functionally distinct plastid types in specific cells and tissues. In this review, we will highlight the central role of the plastid protein import system in regulating and coordinating the import of functionally related sets of preproteins that are required for plastid-type transitions and maintenance. PMID- 29216895 TI - 'We do not know': a qualitative study exploring boys perceptions of menstruation in India. AB - BACKGROUND: In low-middle income countries and other areas of poverty, menstrual hygiene management (MHM) can be problematic for women and girls. Issues include lack of knowledge about menstruation and MHM, and stigma around menstruation, also access to affordable and absorbent materials; privacy to change; adequate washing, cleaning and drying facilities; as well as appropriate and accessible disposal facilities. In order to effect change and tackle these issues, particularly in patriarchal societies, males may need to become advocates for MHM alongside women. However, little is known about their knowledge and attitudes towards menstruation, which may need addressing before they can assist in acting as advocates for change. The present study was undertaken to explore knowledge and attitudes about menstruation among adolescent boys across India, in order to gauge their potential to support their 'sisters'. METHODS: The study was undertaken across three states in India, chosen a priori to represent the cultural and socio-economic diversity. Qualitative data using focus group discussions with 85 boys aged 13-17 years, from 8 schools, was gathered. Data were analysed using thematic analysis. RESULTS: The results were organised into three main themes, reflecting the key research questions: boys' knowledge of menstruation, source of knowledge, and attitudes towards menstruation and menstruating girls. Knowledge comprised three aspects; biological function which were generally poorly understood; cultural rites which were recognized by all; and girls' behaviour and demeanour, which were noted to be withdrawn. Some boys learnt about puberty and menstruation as part of the curriculum but had concerns this was not in-depth, or was missed out altogether. Most gathered knowledge from informal sources, from overhearing conversations or observing cultural rituals. Few boys openly displayed a negative attitude, although a minority voiced the idea that menstruation is a 'disease'. Boys were mostly sympathetic to their menstruating sisters and wanted to support them. CONCLUSIONS: These findings provide some optimism that males can become advocates in moving forward the MHM agenda. The reasons for this are twofold: boys were keen for knowledge about menstruation, searching information out despite societal norms being for them to remain ignorant, they were also largely sympathetic to their menstruating sisters and fellow classmates and understanding of the issues surrounding the need for good MHM. PMID- 29216896 TI - What will it take? Pathways, time and funding: Australian medical students' perspective on clinician-scientist training. AB - BACKGROUND: Clinician-scientists are in decline worldwide. They represent a unique niche in medicine by bridging the gap between scientific discovery and patient care. A national, integrated approach to training clinician-scientists, typically programs that comprise a comprehensive MD-PhD pathway, are customary. Such a pathway is lacking in Australia. The objective was to gather perceptions from Australian medical students on factors they perceive would influence their decision to pursue clinician-scientist training. METHODS: A cross-sectional mixed methods design used quantitative and qualitative questions in an online self report survey with medical students from a four-year MD program. Quantitative measures comprised scaled response questions regarding prior experience and current involvement in research, and short- and long-term opinions about factors that influence their decisions to undertake a research higher degree (RHD) during medical school. Qualitative questions gathered broader perceptions of what a career pathway as a clinician-scientist would include and what factors are most conducive to a medical student's commitment to MD-PhD training. RESULTS: Respondents (N = 418; 51% female) indicated Time, Funding and Pathway as the major themes arising from the qualitative data, highlighting negative perceptions rather than possible benefits to RHD training. The lack of an evident Pathway was inter-related to Time and Funding. Themes were supported by the quantitative data. Sixty percent of students have previous research experience of varying forms, and 90% report a current interest, mainly to improve their career prospects. CONCLUSIONS: The data emphasise the need for an MD-PhD pathway in Australia. A model that provides an early, integrated, and exclusive approach to research training pathways across all stages of medical education is suggested as the best way to rejuvenate the clinician-scientist. A national pathway that addresses factors influencing career decision making throughout the medical education continuum should include an appropriate funding structure, and provide early and continuing advice and mentoring. It should be flexible, gender equitable, and include post-graduate training. The implications of implementing MD-PhD programs represent a substantial investment. However this should not be a deterrent to Australia's commitment to an MD-PhD pathway, but rather a challenge to help ensure our future healthcare is guided by highly trained and competent clinician-scientists. PMID- 29216897 TI - Measuring self-rated health status among resettled adult refugee populations to inform practice and policy - a scoping review. AB - BACKGROUND: The health status of refugees is a significant factor in determining their success in resettlement and relies heavily on self-rated measures of refugee health. The selection of robust and appropriate self-rated health measurement tools is challenging due to the number and methodological variation in the use of assessment tools across refugee health studies. This study describes the existing self-report health measures which have been used in studies of adult refugees living in the community to allow us to address the challenges of selecting appropriate assessments to measure health within refugee groups. METHODS: Electronic databases of Ovid Medline, CINAHL, SCOPUS, Embase and Scopus. RESULTS: This review identified 45 different self-rated health measurements in 183 studies. Most of the studies were cross sectional explorations of the mental health status of refugees living in community settings within Western nations. A third of the tools were designed specifically for use within refugee populations. More than half of the identified measurement tools have been evaluated for reliability and/or validity within refugee populations. Much variation was found in the selection, development and testing of measurement tools across the reviewed studies. CONCLUSION: This review shows that there are currently a number of reliable and valid tools available for use in refugee health research; however, further work is required to achieve consistency in the quality and in the use of these tools. Methodological guidelines are required to assist researchers and clinicians in the development and testing of self-rated health measurement tools for use in refugee research. PMID- 29216898 TI - Is the relationship between increased knee muscle strength and improved physical function following exercise dependent on baseline physical function status? AB - BACKGROUND: Clinical guidelines recommend knee muscle strengthening exercises to improve physical function. However, the amount of knee muscle strength increase needed for clinically relevant improvements in physical function is unclear. Understanding how much increase in knee muscle strength is associated with improved physical function could assist clinicians in providing appropriate strength gain targets for their patients in order to optimise outcomes from exercise. The aim of this study was to investigate whether an increase in knee muscle strength is associated with improved self-reported physical function following exercise; and whether the relationship differs according to physical function status at baseline. METHODS: Data from 100 participants with medial knee osteoarthritis enrolled in a 12-week randomised controlled trial comparing neuromuscular exercise to quadriceps strengthening exercise were pooled. Participants were categorised as having mild, moderate or severe physical dysfunction at baseline using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Associations between 12-week changes in physical function (dependent variable) and peak isometric knee extensor and flexor strength (independent variables) were evaluated with and without accounting for baseline physical function status and covariates using linear regression models. RESULTS: In covariate-adjusted models without accounting for baseline physical function, every 1-unit (Nm/kg) increase in knee extensor strength was associated with physical function improvement of 17 WOMAC units (95% confidence interval (CI) -29 to -5). When accounting for baseline severity of physical function, every 1-unit increase in knee extensor strength was associated with physical function improvement of 24 WOMAC units (95% CI -42 to -7) in participants with severe physical dysfunction. There were no associations between change in strength and change in physical function in participants with mild or moderate physical dysfunction at baseline. The association between change in knee flexor strength and change in physical function was not significant, irrespective of baseline function status. CONCLUSIONS: In patients with severe physical dysfunction, an increase in knee extensor strength and improved physical function were associated. TRIAL REGISTRATION: ANZCTR 12610000660088 . Registered 12 August 2010. PMID- 29216899 TI - Generic-reference and generic-generic bioequivalence of forty-two, randomly selected, on-market generic products of fourteen immediate-release oral drugs. AB - BACKGROUND: The extents of generic-reference and generic-generic average bioequivalence and intra-subject variation of on-market drug products have not been prospectively studied on a large scale. METHODS: We assessed bioequivalence of 42 generic products of 14 immediate-release oral drugs with the highest number of generic products on the Saudi market. We conducted 14 four-sequence, randomized, crossover studies on the reference and three randomly-selected generic products of amlodipine, amoxicillin, atenolol, cephalexin, ciprofloxacin, clarithromycin, diclofenac, ibuprofen, fluconazole, metformin, metronidazole, paracetamol, omeprazole, and ranitidine. Geometric mean ratios of maximum concentration (Cmax) and area-under-the-concentration-time-curve, to last measured concentration (AUCT), extrapolated to infinity (AUCI), or truncated to Cmax time of reference product (AUCReftmax) were calculated using non compartmental method and their 90% confidence intervals (CI) were compared to the 80.00%-125.00% bioequivalence range. Percentages of individual ratios falling outside the +/-25% range were also determined. RESULTS: Mean (SD) age and body mass-index of 700 healthy volunteers (28-80/study) were 32.2 (6.2) years and 24.4 (3.2) kg/m2, respectively. In 42 generic-reference comparisons, 100% of AUCT and AUCI CIs showed bioequivalence, 9.5% of Cmax CIs barely failed to show bioequivalence, and 66.7% of AUCReftmax CIs failed to show bioequivalence/showed bioinequivalence. Adjusting for 6 comparisons, 2.4% of AUCT and AUCI CIs and 21.4% of Cmax CIs failed to show bioequivalence. In 42 generic-generic comparisons, 2.4% of AUCT, AUCI, and Cmax CIs failed to show bioequivalence, and 66.7% of AUCReftmax CIs failed to show bioequivalence/showed bioinequivalence. Adjusting for 6 comparisons, 2.4% of AUCT and AUCI CIs and 14.3% of Cmax CIs failed to show bioequivalence. Average geometric mean ratio deviation from 100% was <=3.2 and <=5.4 percentage points for AUCI and Cmax, respectively, in both generic-reference and generic-generic comparisons. Individual generic/reference and generic/generic ratios, respectively, were within the +/-25% range in >75% of individuals in 79% and 71% of the 14 drugs for AUCT and 36% and 29% for Cmax. CONCLUSIONS: On-market generic drug products continue to be reference bioequivalent and are bioequivalent to each other based on AUCT, AUCI, and Cmax but not AUCReftmax. Average deviation of geometric mean ratios and intra-subject variations are similar between reference-generic and generic-generic comparisons. TRIAL REGISTRATION: ClinicalTrials.gov identifier: NCT01344070 (registered April 3, 2011). PMID- 29216900 TI - Treatment with a DNA methyltransferase inhibitor feminizes zebrafish and induces long-term expression changes in the gonads. AB - BACKGROUND: The role of epigenetic modifications such as DNA methylation during vertebrate sexual development is far from being clear. Using the zebrafish model, we tested the effects of one of the most common DNA methyltransferase (dnmt) inhibitor, 5-aza-2'-deoxycytidine (5-aza-dC), which is approved for the treatment of acute myeloid leukaemia and is under active investigation for the treatment of solid tumours. Several dose-response experiments were carried out during two periods, including not only the very first days of development (0-6 days post fertilization, dpf), as done in previous studies, but also, and as a novelty, the period of gonadal development (10-30 dpf). RESULTS: Early treatment with 5-aza-dC altered embryonic development, delayed hatching and increased teratology and mortality, as expected. The most striking result, however, was an increase in the number of females, suggesting that alterations induced by 5-aza-dC treatment can affect sexual development as well. Results were confirmed when treatment coincided with gonadal development. In addition, we also found that the adult gonadal transcriptome of 5-aza-dC-exposed females included significant changes in the expression of key reproduction-related genes (e.g. cyp11a1, esr2b and figla), and that several pro-female-related pathways such as the Fanconi anaemia or the Wnt signalling pathways were downregulated. Furthermore, an overall inhibition of genes implicated in epigenetic regulatory mechanisms (e.g. dnmt1, dicer, cbx4) was also observed. CONCLUSIONS: Taken together, our results indicate that treatment with a DNA methylation inhibitor can also alter the sexual development in zebrafish, with permanent alterations of the adult gonadal transcriptome, at least in females. Our results show the importance of DNA methylation for proper control of sexual development, open new avenues for the potential control of sex ratios in fish (aquaculture, population control) and call attention to possibly hidden long-term effects of dnmt therapy when used, for example, in the treatment of prepuberal children affected by some types of cancer. PMID- 29216903 TI - Evaluation of clinical practice guidelines using the AGREE instrument: comparison between data obtained from AGREE I and AGREE II. AB - OBJECTIVE: The Appraisal of Guidelines for Research and Evaluation (AGREE) is a representative, quantitative evaluation tool for evidence-based clinical practice guidelines (CPGs). Recently, AGREE was revised (AGREE II). The continuity of evaluation data obtained from the original version (AGREE I) has not yet been demonstrated. The present study investigated the relationship between data obtained from AGREE I and AGREE II to evaluate the continuity between the two measurement tools. RESULTS: An evaluation team consisting of three trained librarians evaluated 68 CPGs issued in 2011-2012 in Japan using AGREE I and AGREE II. The correlation coefficients for the six domains were: (1) scope and purpose 0.758; (2) stakeholder involvement 0.708; (3) rigor of development 0.982; (4) clarity of presentation 0.702; (5) applicability 0.919; and (6) editorial independence 0.971. The item "Overall Guideline Assessment" was newly introduced in AGREE II. This global item had a correlation coefficient of 0.628 using the six AGREE I domains, and 0.685 using the 23 items. Our results suggest that data obtained from AGREE I can be transferred to AGREE II, and the "Overall Guideline Assessment" data can be determined with high reliability using a standardized score of the 23 items. PMID- 29216901 TI - Genomic variants in the FTO gene are associated with sporadic amyotrophic lateral sclerosis in Greek patients. AB - BACKGROUND: Amyotrophic lateral sclerosis (ALS) is a devastating disease whose complex pathology has been associated with a strong genetic component in the context of both familial and sporadic disease. Herein, we adopted a next generation sequencing approach to Greek patients suffering from sporadic ALS (together with their healthy counterparts) in order to explore further the genetic basis of sporadic ALS (sALS). RESULTS: Whole-genome sequencing analysis of Greek sALS patients revealed a positive association between FTO and TBC1D1 gene variants and sALS. Further, linkage disequilibrium analyses were suggestive of a specific disease-associated haplotype for FTO gene variants. Genotyping for these variants was performed in Greek, Sardinian, and Turkish sALS patients. A lack of association between FTO and TBC1D1 variants and sALS in patients of Sardinian and Turkish descent may suggest a founder effect in the Greek population. FTO was found to be highly expressed in motor neurons, while in silico analyses predicted an impact on FTO and TBC1D1 mRNA splicing for the genomic variants in question. CONCLUSIONS: To our knowledge, this is the first study to present a possible association between FTO gene variants and the genetic etiology of sALS. In addition, the next-generation sequencing-based genomics approach coupled with the two-step validation strategy described herein has the potential to be applied to other types of human complex genetic disorders in order to identify variants of clinical significance. PMID- 29216902 TI - Improved drug safety through intensive pharmacovigilance in hospitalized pediatric patients. AB - BACKGROUND: The aim of this study was to detect and analyze Adverse Drug Reactions (ADRs) through Intensive Pharmacovigilance (IPV) in hospitalized pediatric patients to improve drug safety. METHODS: A prospective 6-month cross sectional study was performed in the pediatric service of a regional hospital in Mexico in order to assess hospitalized children from 1 day to 18 years old. The inclusion criteria were: both genders, all hospitalization causes, and at least one prescribed medication (indistinct drug group). Notifications were performed through medical visits, phone calls, or spontaneous reports. ADR suspicions were assessed with severity scales: Naranjo algorithm, Schumock & Thornton and Hartwig and Siegel. RESULTS: From a total of 1083 hospital admissions, 19 ADRs were recorded. The average age of patients in years was 7.2 (+/-5.9). The causality assessment in this study showed that most of the ADRs were probable (68.4%) and 4 certain (8.2%); causality was mainly attributed to antibiotics (AB) and an antiepileptic drug. We found a relationship of AB with ADRs (p < 0.05) with an increased risk at the third day of prescription (p < 0.05). The average severity was level 2 and 21% were classified as "preventable". Lastly, an increase in hospital stay associated with ADRs (p < 0.05) and with concomitant medications (p < 0.05), was also found. The most severe ADRs were hemolysis and toxic epidermal necrolysis. CONCLUSIONS: IPV was an effective tool for ADR prevention, detection, and treatment in hospitalized patients. The intensive monitoring approach in pharmacovigilance amplifies ADR detection and this translates into the improvement of drug safety in children. PMID- 29216904 TI - Technology for fostering intergenerational connectivity: scoping review protocol. AB - BACKGROUND: The simultaneous increase in geographically dispersed families and general decrease in engagement in local communities is resulting in fewer opportunities for youth and older adults interact in meaningful ways. Technology is becoming increasingly pervasive and flexible and providing new opportunities to foster intergenerational connection that can be implemented and evaluated across a multitude of populations and contexts. What research has been done in this area is spread across disciplines and what aspects of technologies could make them more effective is not well understood. METHOD: The scoping review will be completed in five stages: (1) identifying the research question, (2) identifying relevant studies, (3) selecting studies, (4) charting the data, and (5) collating, summarizing, and reporting the results. Comprehensive descriptive data from each study will be presented along with an analysis of similarities and differences in research from different disciplines. DISCUSSION: This scoping review focuses on a search of the literature to gain an understanding of what technologies have been used specifically for fostering intergenerational connectivity and to establish what future directions for research could be. To the authors' knowledge, it is the first scoping review of its kind. PMID- 29216905 TI - Variations in visceral leishmaniasis burden, mortality and the pathway to care within Bihar, India. AB - BACKGROUND: Visceral leishmaniasis (VL) has been targeted by the WHO for elimination as a public health problem (< 1 case/10,000 people/year) in the Indian sub-continent (ISC) by 2020. Bihar State in India, which accounts for the majority of cases in the ISC, remains a major target for this elimination effort. However, there is considerable spatial, temporal and sub-population variation in occurrence of the disease and the pathway to care, which is largely unexplored and a threat to achieving the target. METHODS: Data from 6081 suspected VL patients who reported being clinically diagnosed during 2012-2013 across eight districts in Bihar were analysed. Graphical comparisons and Chi-square tests were used to determine differences in the burden of identified cases by season, district, age and sex. Log-linear regression models were fitted to onset (of symptoms)-to-diagnosis and onset-to-treatment waiting times to estimate their associations with age, sex, district and various socio-economic factors (SEFs). Logistic regression models were used to identify factors associated with mortality. RESULTS: Comparisons of VL caseloads suggested an annual cycle peaking in January-March. A 17-fold variation in the burden of identified cases across districts and under-representation of young children (0-5 years) relative to age specific populations in Bihar were observed. Women accounted for a significantly lower proportion of the reported cases than men (41 vs 59%, P < 0.0001). Age, district of residence, house wall materials, caste, treatment cost, travelling for diagnosis and the number of treatments for symptoms before diagnosis were identified as correlates of waiting times. Mortality was associated with age, district of residence, onset-to-treatment waiting time, treatment duration, cattle ownership and cost of diagnosis. CONCLUSIONS: The distribution of VL in Bihar is highly heterogeneous, and reported caseloads and associated mortality vary significantly across different districts, posing different challenges to the elimination campaign. Socio-economic factors are important correlates of these differences, suggesting that elimination will require tailoring to population and sub-population circumstances. PMID- 29216906 TI - Detection of metallo-beta-lactamases-encoding genes among clinical isolates of Pseudomonas aeruginosa in a tertiary care hospital, Kathmandu, Nepal. AB - OBJECTIVES: This study was carried out to determine the prevalence of metallo beta-lactamases (MBLs) producing Pseudomonas aeruginosa in imipenem nonsusceptible isolates and to detect MBL-encoding genes among MBLs-positive isolates. RESULTS: Metallo-beta-lactamases production was detected in 68.6% isolates of P. aeruginosa with reduced susceptibility to imipenem. The bla VIM-2 gene was detected in 75% isolates and bla IMP-1 was detected in 25% isolates. All MBLs-positive isolates were multidrug resistant with a high level of resistance to imipenem (MIC 16 to >= 32 ug/ml), meropenem (MIC 16 to >= 32 ug/ml), and ceftazidime (MIC 64 to >= 512 ug/ml). All MBL-positive isolates were susceptible (MIC <= 2 ug/ml) to colistin. We found high prevalence of MBL-producing P. aeruginosa. To our knowledge this is the first report of detection of bla VIM-2 and bla IMP-1 in P. aeruginosa from Nepal. This indicates the need for awareness to prevent the spreading of these resistant isolates in hospital setting. PMID- 29216907 TI - Angiogenesis and VEGF-expressing cells are identified predominantly in the fascia rather than in the muscle during the early phase of dermatomyositis. AB - BACKGROUND: We previously demonstrated that fasciitis is a common lesion in dermatomyositis (DM) and that DM-associated fasciitis is detectable, as the result of the increased vascularity in the fascia, by power Doppler ultrasonography. We aimed to investigate whether angiogenesis and vascular endothelial growth factor (VEGF)-expressing cells in the fascia are histologically demonstrated during the early phase of DM, and whether inflammation is involved in angiogenesis and an increased number of VEGF expressing cells. METHODS: We prospectively evaluated 22 patients with DM and 11 patients with polymyositis (PM). Immunohistochemical staining for CD31, VEGF, and tumor necrosis factor-alpha (TNF-alpha) were performed on paraffin-embedded sections. The total vascular inflammation score (TVIS), angiogenesis score (AS), and numbers of VEGF-expressing and TNF-alpha-expressing cells were analyzed in the fascia and muscle. RESULTS: Significant fasciitis was detected in most of the patients DM with or without myositis-specific/associated antibodies, while mild fasciitis was detected in four patients with PM, two of whom were positive for anti-aminoacyl-tRNA synthetase (anti-ARS) antibodies. The AS and the number of VEGF-expressing cells in the fascia of patients with DM were significantly greater than those of patients with PM; no significant difference was observed in muscle in patients with DM and PM. The number of VEGF-expressing cells in the fascia correlated with the AS of DM patients. In early-phase DM, the AS, the number of VEGF-expressing cells, and the TVIS in the fascia were significantly higher than in muscle. However, no significant differences were observed in these scores excluding the TVIS between muscle and the fascia in late-phase DM. In DM patients, the TVIS correlated with the AS in the fascia, while the number of TNF alpha-expressing cells correlated with the TVIS and the number of VEGF-expressing cells in the fascia. CONCLUSION: Angiogenesis, the number of VEGF-expressing cells, and the degree of inflammation were higher in the fascia in DM than in PM, and were increased predominantly in the fascia rather than in the muscle in early phase DM. The degree of inflammation correlated with that of angiogenesis in the fascia of DM. The fascia can therefore be a primary site of inflammation and angiogenesis in the pathogenesis of DM. PMID- 29216908 TI - Clinical and neuropathological features of ALS/FTD with TIA1 mutations. AB - Mutations in the stress granule protein T-cell restricted intracellular antigen 1 (TIA1) were recently shown to cause amyotrophic lateral sclerosis (ALS) with or without frontotemporal dementia (FTD). Here, we provide detailed clinical and neuropathological descriptions of nine cases with TIA1 mutations, together with comparisons to sporadic ALS (sALS) and ALS due to repeat expansions in C9orf72 (C9orf72+). All nine patients with confirmed mutations in TIA1 were female. The clinical phenotype was heterogeneous with a range in the age at onset from late twenties to the eighth decade (mean = 60 years) and disease duration from one to 6 years (mean = 3 years). Initial presentation was either focal weakness or language impairment. All affected individuals received a final diagnosis of ALS with or without FTD. No psychosis or parkinsonism was described. Neuropathological examination on five patients found typical features of ALS and frontotemporal lobar degeneration (FTLD-TDP, type B) with anatomically widespread TDP-43 proteinopathy. In contrast to C9orf72+ cases, caudate atrophy and hippocampal sclerosis were not prominent. Detailed evaluation of the pyramidal motor system found a similar degree of neurodegeneration and TDP-43 pathology as in sALS and C9orf72+ cases; however, cases with TIA1 mutations had increased numbers of lower motor neurons containing round eosinophilic and Lewy body-like inclusions on HE stain and round compact cytoplasmic inclusions with TDP-43 immunohistochemistry. Immunohistochemistry and immunofluorescence failed to demonstrate any labeling of inclusions with antibodies against TIA1. In summary, our TIA1 mutation carriers developed ALS with or without FTD, with a wide range in age at onset, but without other neurological or psychiatric features. The neuropathology was characterized by widespread TDP-43 pathology, but a more restricted pattern of neurodegeneration than C9orf72+ cases. Increased numbers of round eosinophilic and Lewy-body like inclusions in lower motor neurons may be a distinctive feature of ALS caused by TIA1 mutations. PMID- 29216909 TI - Which measuring site in ankylosing spondylitis is best to detect bone loss and what predicts the decline: results from a 5-year prospective study. AB - BACKGROUND: Studies have shown increased prevalence of osteoporosis and increased risk for vertebral fractures in patients with ankylosing spondylitis (AS). Measurements of bone mineral density (BMD) in the lumbar spine anterior-posterior (AP) projection may be difficult to interpret due to the ligamentous calcifications, and the lateral projection might be a better measuring site. Our objectives were to investigate BMD changes after 5 years at different measuring sites in patients with AS and to evaluate disease-related variables and medications as predictors for BMD changes. METHODS: In a longitudinal study, BMD in Swedish AS patients, 50 +/- 13 years old, was measured with dual-energy x-ray absorptiometry (DXA) at the hip, the lumbar spine AP and lateral projections, and the total radius at baseline and after 5 years. Patients were assessed with questionnaires, blood samples, and spinal radiographs for grading of AS-related alterations in the spine with the modified Stoke Ankylosing Spondylitis Spinal Score (mSASSS) and assessment of vertebral fractures by the Genant score. Multiple linear regression analyses were used to investigate predictors for BMD changes. RESULTS: Of 204 patients included at baseline, 168 (82%) were re examined after 5 years (92 men and 76 women). BMD decreased significantly at the femoral neck and radius and increased significantly at the lumbar spine, both for AP and lateral projections. Mean C-reactive protein during follow-up predicted a decrease in the femoral neck BMD (change in %, beta = -0.15, p = 0.046). Use of bisphosphonates predicted an increase in BMD at all measuring sites (p < 0.001 to 0.013), except for the total radius. Use of tumor necrosis factor inhibitors (TNFi) predicted an increase in AP spinal BMD (beta = 3.15, p = 0.012). CONCLUSION: The current study (which has a long follow-up, many measuring sites, and is the first to longitudinally assess the lateral projection of the spine in AS patients) surprisingly showed that lateral projection spinal BMD increased. This study suggests that the best site to assess bone loss in AS patients is the femoral neck and that inflammation has an adverse effect, and the use of bisphosphonates and TNFi has a positive effect, on BMD in AS patients. PMID- 29216910 TI - Perceived causes of stress among a group of western Canadian dental students. AB - OBJECTIVE: The demanding nature of dental education, both academically and clinically, results in higher levels of perceived stress among its students. The aim of this study was to determine how dental students at the College of Dentistry, University of Saskatchewan perceived stress. During the 2013-2014 academic year, all students were asked to complete a modified dental environmental survey (DES). RESULTS: Of the 111 students enrolled at the College that year 92 completed the survey (response rate = 83%). In general, female students reported higher stress levels than males. Higher stress levels were associated with living away from home, concerns about manual dexterity and the transition from pre-clinical to clinical studies. Additionally, students who enter dental school with higher debt loads (> 100,000) report high stress levels relating to finances. This study found that financial and clinical workloads result in high stress levels among dental students. PMID- 29216911 TI - Dynamic expression of cytokine and transcription factor genes during experimental Fasciola gigantica infection in buffaloes. AB - BACKGROUND: Determining the mechanisms involved in the immune-pathogenesis of the tropical liver fluke, Fasciola gigantica, is crucial to the development of any effective therapeutic intervention. Here, we examined the differential gene expression of cytokines and transcription factors in the liver of F. gigantica infected buffaloes, over the course of infection. METHODS: Water buffaloes (swamp type) were infected orally with 500 F. gigantica encysted metacercariae. Liver tissue samples were collected 3, 10, 28, 42, 70 and 98 days post-infection (dpi). Levels of gene expression of nine cytokines (IFN-gamma, TGF-beta, IL-1beta, IL-4, IL-6, IL-10, IL-12B, IL-13 and IL-17A) and four transcription factors (T-bet, GATA-3, Foxp3 and ROR-gammatau) were determined using quantitative real-time PCR (qRT-PCR). We evaluated any correlation between gene expression of these immune regulatory factors and the severity of liver pathology. RESULTS: Histopathological examination revealed that cellular infiltration, hemorrhage and fibrosis without calcification in the liver parenchyma of infected buffaloes, increased over the course of infection. This progressive pathology was attributed to dysregulated and excessive inflammatory responses induced by infection. The early infection phase (3-10 dpi) was marked by a generalized immunosuppression and elevated TGF-beta expression in order to facilitate parasite colonization. A mixed Th1/Th2 immune response was dominant from 28 to 70 dpi, to promote parasite survival while minimizing host tissue damage. During late infection (98 dpi), the response was biased towards Th1/Treg in order to inhibit the host's Th2 protective response and promote chronic infection. Both IL-10 and IL-17A and the Th17/Treg balance, played key roles in mediating the inflammatory and immunoregulatory mechanisms in the liver during chronic fasciolosis. CONCLUSIONS: Our data showed distinct CD4+ T helper (Th) polarization and cytokine dysregulation in response to F. gigantica infection in water buffaloes over the course of infection. Characterizing the temporal expression profiles for host immune genes during infection should provide important information for defining how F. gigantica adapts and survives in the liver of buffaloes and how host immune responses influence F. gigantica pathogenicity. PMID- 29216912 TI - Changes in salivary oxytocin after inhalation of clary sage essential oil scent in term-pregnant women: a feasibility pilot study. AB - OBJECTIVES: This pilot study using a quasi-experimental design was conducted to evaluate the feasibility (i.e., limited efficacy, practicality, and acceptability) of our intervention protocol involving inhalation of the scent of clary sage essential oil by pregnant women and measurement of their preinhalation and postinhalation oxytocin levels. RESULTS: Participants were women of singleton pregnancies between 38 and 40 gestation weeks (N = 11). The experiment group (n = 5) inhaled the scent of clary sage essential oil diluted 50-fold with 10 mL of odorless propylene glycol for 20 min. Regarding limited efficacy, the oxytocin level 15 min postinhalation increased in 3 women and was unmeasurable in 2. The control group (n = 6) inhaled similarly without the 50-fold dilution of clary sage essential oil. Their oxytocin level increased in 2 women, decreased in 2, and was unmeasurable in 2. Uterine contraction was not observed in both groups. Regarding practicality, 3 of the 11 women could not collect sufficient saliva. The cortisol level decreased in both groups postinhalation. The protocol had no negative effects. Regarding acceptability, burden of the protocol was not observed. Trial registration The Clinical Trials Registry of University Hospital Medical Information Network in Japan-UMIN000017830. Registered: June 8, 2015. PMID- 29216913 TI - Food borne illness amongst health care workers, at a Central Hospital, Harare, Zimbabwe, 2016: a retrospective cohort study. AB - OBJECTIVES: Health care workers (HCW) at a Central Hospital, were served lunch at the hospital canteen on 12 December 2016. On 12 December 2016 at 1700 h, there was a sudden onset of symptoms suggestive of gastrointestinal illness among HCW. We conducted a retrospective cohort study to determine the cause and the factors associated with illness among the HCW at the hospital. RESULTS: We interviewed 96 respondents. The median incubation period was 6 h (Q1 = 4; Q3 = 12). Abdominal pain (97.5%) and watery diarrhoea (95%) were the most common symptoms. The majority (97.5%) took antibiotics before collection of stool specimen for analysis, with 24 (60%) of 40 HCW treating themselves. Eating chicken (RR = 44.2, CI 74.07; 95.34) during lunch was associated with the illness. Staphylococcus aureus and Escherichia coli were isolated from food handlers' hands, kitchen utensils and work surfaces. Staphylococcus aureus was isolated from chicken. None of food handlers had valid medical certificates. One out of four food handlers was formally trained. PMID- 29216914 TI - Rasch analysis of the participation scale (P-scale): usefulness of the P-scale to a rehabilitation services network. AB - BACKGROUND: A person's participation is acknowledged as an important outcome of the rehabilitation process. The Participation Scale (P-Scale) is an instrument that was designed to assess the participation of individuals with a health condition or disability. The scale was developed in an effort to better describe the participation of people living in middle-income and low-income countries. The aim of this study was to use Rasch analysis to examine whether the Participation Scale is suitable to assess the perceived ability to take part in participation situations by patients with diverse levels of function. METHODS: The sample was comprised by 302 patients from a public rehabilitation services network. Participants had orthopaedic or neurological health conditions, were at least 18 years old, and completed the Participation Scale. Rasch analysis was conducted using the Winsteps software. RESULTS: The mean age of all participants was 45.5 years (standard deviation = 14.4), 52% were male, 86% had orthopaedic conditions, and 52% had chronic symptoms. Rasch analysis was performed using a dichotomous rating scale, and only one item showed misfit. Dimensionality analysis supported the existence of only one Rasch dimension. The person separation index was 1.51, and the item separation index was 6.38. Items N2 and N14 showed Differential Item Functioning between men and women. Items N6 and N12 showed Differential Item Functioning between acute and chronic conditions. The item difficulty range was 1.78 to 2.09 logits, while the sample ability range was -2.41 to 4.61 logits. CONCLUSIONS: The P-Scale was found to be useful as a screening tool for participation problems reported by patients in a rehabilitation context, despite some issues that should be addressed to further improve the scale. PMID- 29216915 TI - Rheumatoid arthritis bone marrow environment supports Th17 response. AB - BACKGROUND: Rheumatoid arthritis (RA) is a systemic, autoimmune disease leading to joint destruction and ultimately disability. Bone marrow (BM) is an important compartment in RA, where pathological processes from "outside the joint" can occur. IL-17 is a cytokine that exerts proinflammatory effects and participates in the process of bone destruction. It is believed that IL-17 is involved in pathogenesis of RA. However, little is known about the biology of this cytokine in BM. In the present study we investigated Th17-related cytokines in RA BM. METHODS: BM samples were obtained from RA and osteoarthritis (OA) patients during total hip replacement surgery. Levels of IL-17AF, IL-17AA, IL-17FF, IL-1beta, IL 6, IL-23, TGF-beta and CCL20 in BM plasma were determined by specific enzyme linked immunosorbent assay tests. Percentage of IL-17-producing cells in BM was evaluated by flow cytometry. The effect of IL-15 stimulation on IL-17 production by BM mononuclear cells was examined in vitro. RESULTS: Increased levels of IL 17AF were observed in BM plasma of RA patients in comparison to OA patients. Increased concentrations of IL-1beta, IL-6 and CCL20 were observed in RA compared to OA BM plasma. Concordant with these findings, significantly increased percentages of CD3+CD4+IL-17+ and CD3+CD4+IL-17+IFN-gamma+ cells were present in RA BM in comparison to OA BM samples. Finally, abundant in RA BM, IL-15 increased IL-17 production by cultured BM mononuclear cells. CONCLUSIONS: In the course of RA, the BM microenvironment can promote the development of Th17 cell responses and overproduction of IL-17AF that may lead to increased inflammation and tissue destruction in RA BM. PMID- 29216916 TI - Low level laser therapy (Photobiomodulation therapy) for breast cancer-related lymphedema: a systematic review. AB - BACKGROUND: Breast cancer related lymphedema (BCRL) is a prevalent complication secondary to cancer treatments which significantly impacts the physical and psychological health of breast cancer survivors. Previous research shows increasing use of low level laser therapy (LLLT), now commonly referred to as photobiomodulation (PBM) therapy, for BCRL. This systematic review evaluated the effectiveness of LLLT (PBM) in the management of BCRL. METHODS: Clinical trials were searched in PubMed, AMED, Web of Science, and China National Knowledge Infrastructure up to November 2016. Two reviewers independently assessed the methodological quality and adequacy of LLLT (PBM) in these clinical trials. Primary outcome measures were limb circumference/volume, and secondary outcomes included pain intensity and range of motion. Because data were clinically heterogeneous, best evidence synthesis was performed. RESULTS: Eleven clinical trials were identified, of which seven randomized controlled trials (RCTs) were chosen for analysis. Overall, the methodological quality of included RCTs was high, whereas the reporting of treatment parameters was poor. Results indicated that there is strong evidence (three high quality trials) showing LLLT (PBM) was more effective than sham treatment for limb circumference/volume reduction at a short-term follow-up. There is moderate evidence (one high quality trial) indicating that LLLT (PBM) was more effective than sham laser for short-term pain relief, and limited evidence (one low quality trial) that LLLT (PBM) was more effective than no treatment for decreasing limb swelling at short-term follow-up. CONCLUSIONS: Based upon the current systematic review, LLLT (PBM) may be considered an effective treatment approach for women with BCRL. Due to the limited numbers of published trials available, there is a clear need for well designed high-quality trials in this area. The optimal treatment parameters for clinical application have yet to be elucidated. PMID- 29216918 TI - Effect of structured training programme on the knowledge and behaviors of breast and cervical cancer screening among the female teachers in Turkey. AB - BACKGROUND: Breast cancer and cervical cancer are the most common cancers among women in the world. Many studies on the early detection of cancer have been conducted among women worldwide, but few studies have been performed in the world on female teachers regarding breast self-examination (BSE), mammography (MMG) and Pap smear test (PST). As teachers interact with students, this could play an important role in health education and in developing healthy behavior such as cancer screening. The main objective of this study was to evaluate the effect of a structured teaching program on breast and cervical cancer screening on the knowledge and practice of teachers. The other objective was to encourage teachers to transfer this knowledge to the women who attended their courses. METHODS: Semi -experimental designs with pre-intervention, post-intervention and six month follow-up tests were used in this study. The data were collected from 37 volunteer teachers and their 64 volunteer students with a sociodemographic form, a questionnaire form for breast and cervical cancer, and a Transtheoretical Model of behavior change for BSE, MMG and PST. Behavior of the teachers related to BSE, MMG, PST was evaluated in pre-training and in the first, third and sixth months post-training, and the behavior of the students was evaluated with point follow up in the sixth month. RESULTS: In post-training, it was determined that the teachers' knowledge of breast cancer increased from 11.70 +/- 2.80 to 14.81 +/- 3.22 and their knowledge of cervical cancer increased from 7.75 +/- 5.60 to 17.68 +/- 3.79. For BSE behavior, 47.8% of teachers were in the action and maintenance stage in pre-training, but this ratio was 81.1% in the sixth month post-training. For MMG behavior, all of the teachers were in the precontemplation stage in pre training, and 38.9% of them were in the action and maintenance stage in the sixth month post-training. For PST, while 24.3% were in the action and maintenance stage in pre-training, this ratio was 45.9% in the sixth month post-training. CONCLUSION: It was determined that the behavior change for BSE, MMG, PST was positive. Similarly, knowledge transfer from teachers to students was also effective. PMID- 29216917 TI - Unexpected profile of sphingolipid contents in blood and bone marrow plasma collected from patients diagnosed with acute myeloid leukemia. AB - BACKGROUND: Impaired apoptotic pathways in leukemic cells enable them to grow in an uncontrolled way. Moreover, aberrations in the apoptotic pathways are the main factor of leukemic cells drug resistance. METHODS: To assess the presence of potential abnormalities that might promote dysfunction of leukemic cells growth, HPLC system was used to determine sphingosine (SFO), sphinganine (SFA), sphingosine-1-phosphate (S1P) and ceramide (CER) concentration in the blood collected from patients diagnose with acute myeloblastic leukemia (AML; n = 49) and compare to values of control (healthily) group (n = 51). Additionally, in AML group concentration of SFO, SFA, S1P and CER was determined in bone marrow plasma and compared to respective values in blood plasma. The concentration of S1P and CER binding protein - plasma gelsolin (GSN) was also assessed in collected samples using immunoblotting assay. RESULTS: We observed that in AML patients the average SFO, SFA and CER concentration in blood plasma was significantly higher (p < 0.001) compare to control group, when blood plasma S1P concentration was significantly lower (p < 0.001). At the same time the CER/S1P ratio in AML patient (44.5 +/- 19.4) was about 54% higher compare to control group (20.9 +/- 13.1). Interestingly the average concentration of S1P in blood plasma (196 +/- 13 pmol/ml) was higher compare to its concentration in plasma collected from bone marrow (154 +/- 21 pmol/ml). CONCLUSIONS: We hypothesize that changes in profile of sphingolipids concentration and some of their binding protein partners such as GSN in extracellular environment of blood and bone marrow cells in leukemic patients can be targeted to develop new AML treatment method(s). PMID- 29216919 TI - The acutely injured acromioclavicular joint - which imaging modalities should be used for accurate diagnosis? A systematic review. AB - BACKGROUND: The management of acute acromioclavicular (AC) joint injuries depends on the degree of injury diagnosed by the Rockwood classification. Inadequate imaging and not selecting the most helpful imaging protocols can often lead to incorrect diagnosis of the injury. A consensus on a diagnostic imaging protocol for acute AC joint injuries does not currently exist. Therefore we conducted a systematic review of the literature considering three diagnostic parameters for patients with acromioclavicular (AC) joint injuries: 1) Assessment of vertical instability; 2) Assessment of horizontal instability; 3) Benefit of weighted panoramic views. METHODS: Internet databases were searched in March 2016 using the terms ("AC joint" OR "acromioclavicular joint") AND (MRI OR MR OR radiograph OR X-ray OR Xray OR ultrasound OR "computer tomography" OR "computed tomography" OR CT). Diagnostic, prospective, retrospective, cohort and cross- sectional studies were included to compare their use of different radiological methods. Case reports, cadaveric studies, and studies concerning chronic AC injuries and clinical outcomes were excluded. RESULTS: This search returned 1359 citations of which 1151 were excluded based on title, 116 based on abstract and 75 based on manuscript. 17 studies were included for review and were analyzed for their contributions to the three parameters of interest mentioned above. The inter- and intra-observer reliability for diagnosing vertical instabilities of the clavicle using x-ray alone show a high level of reproducibility while for horizontal instabilities the values were much more variable. In general, digitally measured parameters seem to be more precise and reliable between investigators than visual classification alone. Currently, evidence for the value of weighted views and other additional diagnostic imaging to supplement standard x-rays is controversial. CONCLUSION: To date there is no consensus on a gold standard for diagnostic measures needed to classify acute AC joint injuries. The inter- and intra-observer reliability for diagnosing vertical instabilities of the clavicle using bilateral projections show a high level of reproducibility while for horizontal instabilities the results are much more inconsistent. There is currently no clear consensus on a protocol for image-based diagnosis and classification of acute AC joint injuries, leading to a lack of confidence in reproducibility and reliability. PMID- 29216921 TI - Ultrasonography-guided reduction of pediatric radial neck fractures. AB - BACKGROUND: Treatment of displaced and angulated radial neck fractures in children is controversial and challenging. Numerous studies have been conducted regarding treatment algorithms and surgical techniques that use fluoroscopy. However, ultrasonography (US)-guided reduction of pediatric radial neck fractures has not been reported yet. We aimed to determine the safety and efficacy of US guided reduction and fixation of radial neck fractures in children. METHODS: Among 28 cases of radial neck fracture from 2014 to 2016, 12 were classified as type III or IV according to the Judet classification. All 12 patients underwent US-guided reduction and percutaneous fixation with Kirschner wire and follow-up for more than 6 months. US was used primarily to monitor the angulation and reduction of the radial neck. Fluoroscopy was applied to confirm the fixation with Kirschner wire. Dose area product (DAP; mGy/cm2) was measured to assess per procedure radiation dose. Radiological and clinical results were evaluated at 6 months after the surgery by using the Metaizeau criteria. RESULTS: Of the patients, 4 were boys and 8 were girls, with a mean age of 7.7 years (range, 5-11 years). Judet type III fractures accounted for 83% of all injuries. The mean preoperative radial angulation was 62.5 degrees (range: 46 degrees -76 degrees ). The mean postoperative radial angulation was 5.6 degrees (range: 2 degrees -9 degrees ). The mean fluoroscopy time was 31 s (range: 10-73 s), and the mean DAP was 10.7 mGy/cm2 (range: 7.2-18.7 mGy/cm2). The mean follow-up period was 18.3 months (range, 8-24 months). According to the Metaizeau criteria, 10 cases were excellent and 2 cases were good at the last follow-up. CONCLUSIONS: US-guided reduction and percutaneous fixation is safe and reliable option to treat displaced radial neck fractures in children. PMID- 29216920 TI - Body mass index had different effects on premenopausal and postmenopausal breast cancer risks: a dose-response meta-analysis with 3,318,796 subjects from 31 cohort studies. AB - BACKGROUND: There is sufficient evidence supporting a relationship between increased body mass index (BMI) and an increased risk for breast cancer among postmenopausal women. However, most studies have found a decreased risk for premenopausal breast cancer. This study was conducted to find out the different effects of BMI on the risk of breast cancer among premenopausal and postmenopausal women, and explore the potential factors that influence the associations. METHODS: A dose-response meta-analysis with 3,318,796 participants from 31 articles was conducted. Cohort studies that included BMI and corresponding breast cancer risk were selected through various databases including PubMed, Medline, Web of Science, the China National Knowledge Infrastructure (CNKI) and Chinese Scientific Journals (VIP). Random effects models were used for analyzing the data. RESULTS: The summary relative risks (RRs) were 1.33 (95%CI: 1.20-1.48) and 0.94(95%CI: 0.80-1.11) among postmenopausal and premenopausal women, respectively. The dose-response meta analysis indicated a positive non-linear association between BMI and breast cancer risk among postmenopausal women, and compared to the mean level of the normal BMI category (21.5 kg/m2) the RR in total postmenopausal women were1.03 (95% CI: 1.02-1.05) per 1 kg/m2 increment. However, no statistically significant association among total premenopausal women was detected. In subgroup analysis among European premenopausal women, the summary RR was 0.79(95%CI: 0.70-0.88). The non-linear relationship showed a negative non-linear association between BMI and breast cancer risk among European premenopausal women. When compared to the mean level of the normal BMI category, the RRs were 0.98 (95%CI: 0.96-1.00) per 1 kg/m2 increment, respectively. CONCLUSIONS: In line with previous studies BMI had different effects on pre-menopausal and postmenopausal breast cancer risk. However, contrary to previous studies, a high BMI was not associated with decreased risk in total pre-menopausal women. More research is needed to better understand these differences. PMID- 29216922 TI - Lactic-fermented egg white improves visceral fat obesity in Japanese subjects double-blind, placebo-controlled study. AB - BACKGROUND: It was reported that egg white protein (EWP) reduced body fat in rats. We developed a lactic-fermented egg white (LE) that facilitates the consumption of egg whites by fermenting them with lactobacillus, and were able to study their intake in humans. In this double-blind, placebo-controlled design, we evaluated the effect of LE on visceral fat area (VFA). METHODS: Participants included 37 adult males and females aged >=40 years (VFA at navel >=100 cm2). They were divided into two groups: the control group and the LE group. The control and LE groups consumed drinks containing whey and LE, respectively, for 12 weeks (providing 8 g protein/day). VFA was measured at baseline and at week 12 of intake. Abdominal girth was measured at baseline and at weeks 6 and 12. RESULTS: LE intake decreased VFA significantly compared with baseline (-8.89 cm2, p < 0.05), and VFA was significantly lower than that in the control group (+1.71 cm2, p < 0.05). The LE group showed significant improvement in the ratio of visceral to subcutaneous fat area compared with baseline and the control group (p < 0.05). CONCLUSIONS: The results demonstrated that LE reduces VFA and improves the ratio of visceral to subcutaneous fat area. As other measurement items were not influenced, we concluded that LE improves visceral fat obesity. TRIAL REGISTRATION: This clinical trial was retrospectively registered with the University hospital Medical Information Network (UMIN) Center, ( UMIN000026949 ; registered on 11/04/2017; http://www.umin.ac.jp /). PMID- 29216923 TI - Supervised learning for infection risk inference using pathology data. AB - BACKGROUND: Antimicrobial Resistance is threatening our ability to treat common infectious diseases and overuse of antimicrobials to treat human infections in hospitals is accelerating this process. Clinical Decision Support Systems (CDSSs) have been proven to enhance quality of care by promoting change in prescription practices through antimicrobial selection advice. However, bypassing an initial assessment to determine the existence of an underlying disease that justifies the need of antimicrobial therapy might lead to indiscriminate and often unnecessary prescriptions. METHODS: From pathology laboratory tests, six biochemical markers were selected and combined with microbiology outcomes from susceptibility tests to create a unique dataset with over one and a half million daily profiles to perform infection risk inference. Outliers were discarded using the inter quartile range rule and several sampling techniques were studied to tackle the class imbalance problem. The first phase selects the most effective and robust model during training using ten-fold stratified cross-validation. The second phase evaluates the final model after isotonic calibration in scenarios with missing inputs and imbalanced class distributions. RESULTS: More than 50% of infected profiles have daily requested laboratory tests for the six biochemical markers with very promising infection inference results: area under the receiver operating characteristic curve (0.80-0.83), sensitivity (0.64-0.75) and specificity (0.92-0.97). Standardization consistently outperforms normalization and sensitivity is enhanced by using the SMOTE sampling technique. Furthermore, models operated without noticeable loss in performance if at least four biomarkers were available. CONCLUSION: The selected biomarkers comprise enough information to perform infection risk inference with a high degree of confidence even in the presence of incomplete and imbalanced data. Since they are commonly available in hospitals, Clinical Decision Support Systems could benefit from these findings to assist clinicians in deciding whether or not to initiate antimicrobial therapy to improve prescription practices. PMID- 29216924 TI - Dengue hemorrhagic fever complicated with acute liver failure: a case report. AB - BACKGROUND: Dengue is a common arboviral infection with a clinically diverse spectrum of presentations. Although hepatic dysfunction is commonly identified in patients will dengue illness, acute liver failure is rare. The etiopathogenesis of hepatic dysfunction is multifactorial and related to direct viral invasion of hepatocytes, immunological factors and hypoxia particularly in cases of shock in dengue hemorrhagic fever. Ideal management of dengue-related hepatic dysfunction and acute liver failure is still debated. CASE PRESENTATION: We report a 53-year old Sri Lankan Sinhalese male with serologically confirmed dengue fever presenting with evidence of plasma leakage developing acute liver failure evidenced by deranged liver functions, coagulopathy and altered sensorium. In addition to the 'standard care', the patient was managed with intravenous N acetyl cysteine and blood transfusions even in the absence of bleeding or dropping packed cell volume (PCV), targeting a higher PCV in anticipation of better oxygenation at tissue level. He made a full recovery with no sequential infections. CONCLUSION: N-acetyl cysteine and packed cell transfusion aiming at a higher PCV to maintain adequate tissue perfusion during shock may be beneficial in acute liver failure due to dengue virus. Large randomized trials should be carried out to establish the efficacy of these treatment strategies to support these observations and change the current practice. PMID- 29216925 TI - Silencing of miR-193a-5p increases the chemosensitivity of prostate cancer cells to docetaxel. AB - BACKGROUND: Docetaxel-based chemotherapy failure in advanced prostate carcinoma has partly been attributed to the resistance of prostate cancer (PC) cells to docetaxel-induced apoptosis. Hence, there is an urgent need to identify mechanisms of docetaxel chemoresistance and to develop new combination therapies. METHODS: miR-193a-5p level was evaluated by qPCR in prostate tissues and cell lines, and its expression in the tissues was also examined by in situ hybridization. PC cell line (PC3 cell) was transfected with miR-193a-5p mimic or its inhibitor, and then cell apoptosis and the expression of its downstream genes Bach2 and HO-1 were detected by TUNEL staining and Western blotting. Luciferase reporter assay was used to detect the effect of miR-193a-5p and Bach2 on HO-1 expression. Xenograft animal model was used to test the effect of miR-193a-5p and docetaxel on PC3 xenograft growth. RESULTS: miR-193a-5p was upregulated in PC tissues and PC cell lines, with significant suppression of PC3 cell apoptosis induced by oxidative stress. Mechanistically, miR-193a-5p suppressed the expression of Bach2, a repressor of the HO-1 gene, by directly targeting the Bach2 mRNA 3'-UTR. Docetaxel treatment modestly decreased Bach2 expression and increased HO-1 level in PC3 cells, whereas a modest increase of HO-1 facilitated docetaxel-induced apoptosis. Notably, docetaxel-induced miR-193a-5p upregulation, which in turn inhibits Bach2 expression and thus relieves Bach2 repression of HO 1 expression, partly counteracted docetaxel-induced apoptosis, as evidenced by the increased Bcl-2 and decreased Bax expression. Accordingly, silencing of miR 193a-5p enhanced sensitization of PC3 cells to docetaxel-induced apoptosis. Finally, depletion of miR-193a-5p significantly reduced PC xenograft growth in vivo. CONCLUSIONS: Silencing of miR-193a-5p or blockade of the miR-193a-5p-Bach2 HO-1 pathway may be a novel therapeutic approach for castration-resistant PC. PMID- 29216928 TI - On the pivotal role of dose for particle toxicology and risk assessment: exposure is a poor surrogate for delivered dose. PMID- 29216927 TI - Canonical correlation analysis (CCA) of anthropometric parameters and physical activities with blood lipids. AB - BACKGROUND: Anthropometric parameters and physical activities are significant factors influencing lipid levels, but few research have demonstrated the effect of amount of activities on lipid levels. Our research analyzed and explored this relationships. METHODS: A multi-stage stratified sampling method was used to select the investigation subjects in Hubei, China. A questionnaire survey, physical measurements and biochemistry tests (including total cholesterol, high low-density lipoprotein cholesterol, high-density lipoprotein cholesterol and triacylglycerol) were conducted using CCA analysis. RESULTS: The first canonical correlation of the four biochemistry tests and anthropometric parameters with physical activities was 0.44 (P < 0.0001). Grouping by sex and areas, the first canonical correlation were 0.51 (p < 0.0001), 0.43 (p < 0.0001), 0.39 (p < 0.0001) and 0.45 (p < 0.0001). By CCA, blood lipids were negatively correlated with occupation activity, and positively associated with waistline, body mass index (BMI), sleep time, static behavior, and age. CONCLUSIONS: CCA could be an efficient method to find out the most influential factors on exposure and outcome variables. Blood lipid had significant but moderate association with physical activities and anthropometric parameters. Waistline, BMI and occupation activity function as major influences on lipids. TRIAL REGISTRATION: Identifying number: 2,013,001 . Date of trial registry: 8st Oct 2012. PMID- 29216926 TI - Pro-inflammatory adjuvant properties of pigment-grade titanium dioxide particles are augmented by a genotype that potentiates interleukin 1beta processing. AB - BACKGROUND: Pigment-grade titanium dioxide (TiO2) particles are an additive to some foods (E171 on ingredients lists), toothpastes, and pharma-/nutraceuticals and are absorbed, to some extent, in the human intestinal tract. TiO2 can act as a modest adjuvant in the secretion of the pro-inflammatory cytokine interleukin 1beta (IL-1beta) when triggered by common intestinal bacterial fragments, such as lipopolysaccharide (LPS) and/or peptidoglycan. Given the variance in human genotypes, which includes variance in genes related to IL-1beta secretion, we investigated whether TiO2 particles might, in fact, be more potent pro inflammatory adjuvants in cells that are genetically susceptible to IL-1beta related inflammation. METHODS: We studied bone marrow-derived macrophages from mice with a mutation in the nucleotide-binding oligomerisation domain-containing 2 gene (Nod2 m/m), which exhibit heightened secretion of IL-1beta in response to the peptidoglycan fragment muramyl dipeptide (MDP). To ensure relevance to human exposure, TiO2 was food-grade anatase (119 +/- 45 nm mean diameter +/- standard deviation). We used a short 'pulse and chase' format: pulsing with LPS and chasing with TiO2 +/- MDP or peptidoglycan. RESULTS: IL-1beta secretion was not stimulated in LPS-pulsed bone marrow-derived macrophages, or by chasing with MDP, and only very modestly so by chasing with peptidoglycan. In all cases, however, IL-1beta secretion was augmented by chasing with TiO2 in a dose-dependent fashion (5-100 MUg/mL). When co-administered with MDP or peptidoglycan, IL-1beta secretion was further enhanced for the Nod2 m/m genotype. Tumour necrosis factor alpha was triggered by LPS priming, and more so for the Nod2 m/m genotype. This was enhanced by chasing with TiO2, MDP, or peptidoglycan, but there was no additive effect between the bacterial fragments and TiO2. CONCLUSION: Here, the doses of TiO2 that augmented bacterial fragment-induced IL-1beta secretion were relatively high. In vivo, however, selected intestinal cells appear to be loaded with TiO2, so such high concentrations may be 'exposure-relevant' for localised regions of the intestine where both TiO2 and bacterial fragment uptake occurs. Moreover, this effect is enhanced in cells from Nod2 m/m mice indicating that genotype can dictate inflammatory signalling in response to (nano)particle exposure. In vivo studies are now merited. PMID- 29216929 TI - PSAT1 is regulated by ATF4 and enhances cell proliferation via the GSK3beta/beta catenin/cyclin D1 signaling pathway in ER-negative breast cancer. AB - BACKGROUND: A growing amount of evidence has indicated that PSAT1 is an oncogene that plays an important role in cancer progression and metastasis. In this study, we explored the expression and function of PSAT1 in estrogen receptor (ER) negative breast cancer. METHOD: The expression level of PSAT1 in breast cancer tissues and cells was analyzed using real-time-PCR (RT-PCR), TCGA datasets or immunohistochemistry (IHC). The overall survival of patients with ER-negative breast cancer stratified by the PSAT1 expression levels was evaluated using Kaplan-Meier analysis. The function of PSAT1 was analyzed using a series of in vitro assays. Moreover, a nude mouse model was used to evaluate the function of PSAT1 in vivo. qRT-PCR and western blot assays were used to evaluate gene and protein expression, respectively, in the indicated cells. In addition, we demonstrated that PSAT1 was activated by ATF4 by chromatin immunoprecipitation (ChIP) assays. RESULTS: mRNA expression of PSAT1 was up-regulated in ER-negative breast cancer. A tissue microarray that included 297 specimens of ER-negative breast cancer was subjected to an immunohistochemistry assay, which demonstrated that PSAT1 was overexpressed and predicted a poor clinical outcome of patients with this disease. Our data showed that PSAT1 promoted cell proliferation and tumorigenesis in vitro and in vivo. We further found that PSAT1 induced up regulation of cyclin D1 via the GSK3beta/beta-catenin pathway, which eventually led to the acceleration of cell cycle progression. Furthermore, ATF4 was also overexpressed in ER-negative breast cancers, and a positive correlation between the ATF4 and PSAT1 mRNA levels was observed in ER-negative breast cancers. We further demonstrated that knockdown of ATF4 by siRNA reduced PSAT1 expression. Finally, chromatin immunoprecipitation (ChIP) assays showed that PSAT1 was a target of ATF4. CONCLUSIONS: PSAT1, which is overexpressed in ER-negative breast cancers, is activated by ATF4 and promotes cell cycle progression via regulation of the GSK3beta/beta-catenin/cyclin D1 pathway. PMID- 29216930 TI - Contacting of authors by systematic reviewers: protocol for a cross-sectional study and a survey. AB - BACKGROUND: Synthesizing outcomes of underreported primary studies can pose a serious threat to the validity of outcomes and conclusions of systematic reviews. To address this problem, the Cochrane Collaboration recommends reviewers to contact authors of eligible primary studies to obtain additional information on poorly reported items. In this protocol, we present a cross-sectional study and a survey to assess (1) how reviewers of new Cochrane intervention reviews report on procedures and outcomes of contacting of authors of primary studies to obtain additional data, (2) how authors reply, and (3) the consequences of these additional data on the outcomes and quality scores in the review. All research questions and methods were pilot tested on 2 months of Cochrane reviews and were subsequently fine-tuned. METHODS FOR THE CROSS-SECTIONAL STUDY: Eligibility criteria are (1) all new (not-updates) Cochrane intervention reviews published in 2016, (2) reviews that included one or more primary studies, and (3) eligible interventions refer to contacting of authors of the eligible primary studies included in the review to obtain additional research data (e.g., information on unreported or missing data, individual patient data, research methods, and bias issues). Searching for eligible reviews and data extraction will be conducted by two authors independently. The cross-sectional study will primarily focus on how contacting of authors is conducted and reported, how contacted authors reply, and how reviewers report on obtained additional data and their consequences for the review. METHODS FOR THE SURVEY: The same eligible reviews for the cross-sectional study will also be eligible for the survey. Surveys will be sent to the contact addresses of these reviews according to a pre-defined protocol. We will use Google Forms as our survey platform. Surveyees are asked to answer eight questions. The survey will primarily focus on the consequences of contacting authors of eligible primary studies for the risk of bias and Grading of Recommendations, Assessment, Development and Evaluation scores and the primary and secondary outcomes of the review. DISCUSSION: The findings of this study could help improve methods of contacting authors and reporting of these procedures and their outcomes. Patients, clinicians, researchers, guideline developers, research sponsors, and the general public will all be beneficiaries. PMID- 29216931 TI - VISTA deficiency attenuates antibody-induced arthritis and alters macrophage gene expression in response to simulated immune complexes. AB - BACKGROUND: In addition to activated T cells, the immune checkpoint inhibitor "V domain-containing Ig suppressor of T-cell activation" (VISTA) is expressed by myeloid cell types, including macrophages and neutrophils. The importance of VISTA expression by myeloid cells to antibody-induced arthritis and its potential for relevance in human disease was evaluated. METHODS: VISTA was immunolocalized in normal and arthritic human synovial tissue sections and synovial tissue lysates were subjected to western blot analysis. The collagen antibody-induced arthritis model (CAIA) was performed with DBA/1 J mice treated with antibodies against VISTA and with VISTA-deficient mice (V-KO). Total mRNA from arthritic joints, spleens, and cultured macrophages was analyzed with NanoString arrays. Cytokines secreted by splenic inflammatory macrophages were determined. In-vitro chemotaxis and signal transduction assays were performed with cultured macrophages. RESULTS: VISTA protein was localized to synovial membrane cells, neutrophils, and scattered cells in lymphocyte-rich foci and was detected by western blot analysis in normal synovium and synovium from rheumatoid arthritis patients. Deficiency of VISTA or treatment of mice with anti-VISTA monoclonal antibodies attenuated CAIA. Joint damage and MMP-3 expression were significantly reduced in V-KO mice. Surface expression of C5a receptor was reduced on monocytes, neutrophils, and cultured macrophages from V-KO. Upon Fc receptor engagement in vitro, gene expression by V-KO macrophages was altered profoundly compared to WT, including a significant induction of IL-1 receptor antagonist (IL1rn). CONCLUSIONS: VISTA expression supports immune-complex inflammation in CAIA and VISTA is expressed in human synovium. VISTA supports optimal responses to C5a and modulates macrophage responses to immune complexes. PMID- 29216933 TI - The Impact of Victim Alcohol Consumption and Perpetrator Use of Force on Perceptions in an Acquaintance Rape Vignette. AB - Research suggests that victims of incapacitated rape (when someone has sex with a person who is unable to consent to or resist sexual activity, usually because of intoxication) face higher levels of victim blame than do victims of forcible rape (Krahe, Temkin, & Bieneck, 2007). However, it is not clear whether blame is the result of victim alcohol consumption or the lack of force and resistance present during incapacitated rape; both of these factors have been shown to increase victim blame. The current vignette study crossed victim alcohol consumption and perpetrator use of force. We found main effects of both independent variables on judgments of victim responsibility, but no interaction, suggesting that the effects of alcohol and force are additive rather than interactive. These results indicate that victims of incapacitated rape may indeed face challenges upon disclosing their assaults. PMID- 29216932 TI - Nanobodies targeting conserved epitopes on the major outer membrane protein of Campylobacter as potential tools for control of Campylobacter colonization. AB - Campylobacter infections are among the most prevalent foodborne infections in humans, resulting in a massive disease burden worldwide. Broilers have been identified as the major source of campylobacteriosis and reducing Campylobacter loads in the broiler caeca has been proposed as an effective measure to decrease the number of infections in humans. Failure of current methods to control Campylobacter in broilers stresses the urgency to develop novel mitigation measures. We obtained six nanobodies with a broad specificity, that recognize strains belonging to the two most relevant species, Campylobacter jejuni and Campylobacter coli. The target of the nanobodies was identified as the major outer membrane protein, a porin that contributes to bacterial virulence and viability. Multimerization of the nanobodies led to agglutination of C. jejuni cells, which may affect colonization in the chicken gut. These Campylobacter specific nanobodies may be useful to develop a strategy for preserving chickens from Campylobacter colonization. PMID- 29216934 TI - From Commensal to Consumer: Staphylococcus aureus Toxins, Diseases, and Detection Methods. AB - Staphylococcus aureus is a Gram-positive bacterium capable of causing a wide array of infections. Generally a commensal organism, S. aureus encodes several virulence mechanisms that contribute to disease progression. This review highlights toxins as a secreted virulence factor by S. aureus, the diseases that manifest as a result, and the methods used to detect them. In particular, the advantages and limitations of current toxin detection methods are discussed. PMID- 29216935 TI - [Chest compression on CPR and active abdominal on CPR]. AB - OBJECTIVE: Chest compression cannot be effectively applied under certain situations, such as chest wall deformity, rib fracture, or hemopneumothorax. Active abdominal compression-decompression cardiopulmonary resuscitation (AACD CPR) could reach better resuscitation outcomes in certain cardiac arrest (CA) patients. AACD-CPR can strengthen the high quality of cardiopulmonary resuscitation (CPR) in "2015 American Heart Association for cardiopulmonary resuscitation and emergency cardiovascular care update guide". The two methods can complement each other in opposite direction, and implement the "2016 national consensus on cardiopulmonary resuscitation on CPR in China", which is an important part of the wisdom to the Chinese CPR. In the article, we compared chest compression in standard single rescuer cardiopulmonary resuscitation (STD CPR) and AACD-CPR with their aspects of the cause, mechanism, methods and application. We will provide an important reference about techniques of STD-CPR and AACD-CPR. PMID- 29216936 TI - [Experimental basis and clinical practice of "bacterial poison and cure" sepsis]. AB - OBJECTIVE: Since the 20th century, research team of Professor Wang Jinda in the Tianjin First Central Hospital has been using blood circulation drugs to rescue critically ill patients for 70 years. With the deepening of the understanding of sepsis, put forward the "bacteria and inflammation and governance" theory, and the use of blood circulation drugs Xuebijing injection with anti-endotoxin and inflammatory mediators effect in the treatment of sepsis, some clinical efficacy has been found. However, in recent years, the progress of treatment of sepsis at home and abroad is slow, we review a series of animal experiments since the late of 1980s, and found that small thrombosis in the microcirculation and coagulation disorders play a more important role in the development of local infection to sepsis transition. Treatment combined with Xuebijing injection is proved effective with more and more clinical practice, so the important status of blood stasis and blood circulation method in sepsis must be paid attention to again. PMID- 29216937 TI - [Significance of peripheral perfusion index in early diagnosis and goal-directed therapy of septic shock patients: a prospective single-blind randomized controlled trial]. AB - OBJECTIVE: To investigate the application of peripheral perfusion index (PPI) in early diagnosis and goal-directed therapy of septic shock, and to provide reference for the early clinical diagnosis and treatment of septic shock. METHODS: A prospective single-blind randomized controlled trial (RCT) was conducted. Adult patients with sepsis admitted to emergency medical department and intensive care unit (ICU) of the First People's Hospital of Lianyungang City in Jiangsu Province from January 2013 to December 2016 were enrolled. The patients were randomly divided into two groups (n = 46). The PPI group was defined using PPI < 1.4 as diagnosis of septic shock standard, and PPI > 2 as treatment guide target. Control group was defined according to the traditional diagnostic criteria of shock which systolic blood pressure was less than 90 mmHg (1 mmHg = 0.133 kPa) or systolic blood pressure value decrease > 40 mmHg baseline and bundle treatment was performed. The volume of fluid resuscitation, organ dysfunction, the sequential organ failure score (SOFA), acute physiology and chronic health evaluation II (APACHE II) score, continuous renal replacement therapy (CRRT) time, mechanical ventilation (MV) time, the length of ICU stay and 28-day mortality were observed. RESULTS: There were 39 and 27 septic shock patients in PPI group and control group respectively. The diagnostic criteria of traditional septic shock with blood pressure as "gold standard", the sensitivity of PPI < 1.4 for septic shock was 94.3%, the specificity was 28.2%, the authenticity was 66.3%, the positive predictive value was 64.1%, the negative predictive value was 78.6%, the positive likelihood ratio was 1.31, the negative likelihood ratio was 0.18. The per capita fluid replacement within 24 hours in the PPI group was significantly higher than that in the control group (mL: 4 601+/-1 250 vs. 3 458+/-1 006, P < 0.01), but there was no significant difference in the per capita volume of the patients diagnosed as septic shock (mL: 4 596+/-1 320 vs. 4 205+/-1 058, P > 0.05). Compared with the control group, the PPI group treated patients within 48 hours with less vascular active drugs (cases: 6 vs. 15), APACHE II and SOFA score were lower (48 hours: APACHE II was 10.2+/-2.1 vs. 12.0+/-3.2; 72 hours: SOFA was 5.1+/-1.8 vs. 6.0+/-2.1, APACHE II was 8.9+/-1.8 vs. 9.8+/-2.2), the period of CRRT and the length of ICU stay were shorter [the period of CRRT (days): 3.0+/-0.9 vs. 3.6+/-1.4, the length of ICU stay (days): 5.2+/-2.1 vs. 6.3+/-2.9), the difference was statistically significant (all P < 0.05). There was no significant difference in the liver and kidney function index, arterial blood lactic acid (Lac), MV time (days: 3.3+/-1.4 vs. 3.5+/-1.2) and 28-day mortality (15.22% vs. 19.57%) between two groups (all P > 0.05). CONCLUSIONS: The inadequacy of microcirculatory perfusion by oximetry-derived PPI is more sensitive to the diagnosis of septic shock than hypotension of systemic circulation. With PPI guiding the fluid resuscitation of septic shock patients, vasopressors can be withdrawn earlier and the duration of the CRRT and ICU can be decreased. PMID- 29216938 TI - [A model based on random forests in prediction of 28-day prognosis in patients with severe sepsis/septic shock]. AB - OBJECTIVE: To establish a severe sepsis/septic shock prognosis prediction model based on randomize forest law (RF model), and to evaluate the prognostic value of this model for patients with severe sepsis/septic shock. METHODS: 497 patients with severe sepsis/septic shock admitted to intensive care unit (ICU) of Zhejiang Hospital from September 2013 to May 2017 were enrolled. The basic data, vital signs and symptoms, biochemical indexes and blood routine indexes on the 1st, 3rd, 5th day and prognosis were collected. According to the 28-day prognosis, the patients were divided into death group and survival group, and the specific indicators about the prognosis of severe sepsis/septic shock were screened. A RF model was constructed by using the specificity indicators. The assessment effectiveness of RF model, sequential organ failure assessment (SOFA), acute physiology and chronic health evaluation II (APACHE II) were evaluated by receiver operating characteristic (ROC) curve analysis. RESULTS: In 497 cases of severe sepsis/septic shock, 201 cases died, 28-day mortality was 40.4%. (1) According to the index difference of death group and survival group, 19 specific parameters of the RF model were selected, which included the age; 24-hour urine output, urea nitrogen (BUN), serum creatinine (SCr), platelet count (PLT) on the 1st day; heart rate (HR), mean arterial pressure (MAP), cyanosis and clammy skin on the 3rd day; temperature, HR, MAP, 24-hour urine output, PLT, fever, cyanosis, dyspneic, clammy skin, piebald on the 5th day. (2) ROC curve analysis showed that the area under the ROC curve (AUC) of RF model predicting 28-day mortality was higher than that of SOFA and APACHE II score on the 1st, 3rd, 5th day (AUC: 0.836 vs. 0.643, 0.554, 0.766 and 0.590, 0.670, 0.758). The sensitivity of RF model to predict the 28-day mortality was 86.1%, the specificity was 77.0%, the accuracy was 80.7%. CONCLUSIONS: The evaluation model based on random forest can effectively predict the death risk of 28-day in patients with severe sepsis/septic shock, and its predictive efficiency is better than that of the SOFA and APACHE II score. PMID- 29216939 TI - [Predictive value of dynamic serum phosphorus levels in the prognosis of patients with sepsis]. AB - OBJECTIVE: To explore the predictive value of dynamic serum phosphorus levels in the evaluation of prognosis in patients with sepsis. METHODS: A retrospective study was conducted. The septic patients admitted to intensive care unit (ICU) of the Second People's Hospital of Changzhou from January 2016 to June 2017 were enrolled, who were >=18 years old and whose length of ICU stay > 72 hours. These patients were divided into survival group and death group according to 28-day outcome. The general information, the acute physiology and chronic health evaluation II (APACHE II) score within 24 hours of ICU admission, the serum phosphorus at 1, 3, 5, 7 days after admission were collected. Receiver operating characteristic curve (ROC) was plotted according to the dynamic serum phosphorus levels and APACHE II score for evaluating the predictive value of 28-day prognosis. Kaplan-Meier survival curve was used to analyze the 28-day cumulative survival rate between two groups of patients, who were divided according to the corresponding time of the serum phosphorus cut-off value. RESULTS: (1) Eighty five patients with sepsis were enrolled, among whom 25 cases were in the death group and the mortality was 29.4%. APACHE II score in the death group was significantly higher than that in the survival group (22.28+/-3.98 vs. 16.05+/ 5.44, P < 0.01), the rate of using vasoactive drugs was significantly higher than that in the survival group [64.0% (16/25) vs. 31.7% (19/60), P < 0.01], but there was no significant difference in the length of invasive mechanical ventilation and ICU stay between two groups. (2) The level of serum phosphorus was increased in survival group along with time of the treatment, and the death group showed a downward trend. The levels of serum phosphorus at 3, 5, 7 days after admission to ICU in death group were significantly lower than those in survival group (mmol/L: 0.90+/-0.24 vs. 1.05+/-0.19 at 3 days, 0.96+/-0.16 vs. 1.11+/-0.17 at 5 days, 0.83+/-0.19 vs. 1.21+/-0.14 at 7 days, all P < 0.01).(3) ROC curve analysis showed that APACHE II score and serum phosphorus level on the 7th day could significantly predict 28-day mortality in patients with sepsis, and the areas under ROC curve (AUC) of them were 0.813 and 0.945 respectively (both P < 0.01). The AUC of serum phosphorus level on the 3rd day and 5th day were 0.692 and 0.745 respectively (both P < 0.01). Based on serum phosphorus cut-off value 1.01 mmol/L on the 7th day to evaluate the predictive value of 28-day mortality, the sensitivity was 91.7%, the specificity was 84.0%, the positive and negative likelihood ratios were 5.73 and 0.10 respectively. (4) Kaplan-Meier survival analysis showed that the 28-day survival rate was significantly higher and the length of survival was significantly longer if the serum phosphorus were higher than the cut-off value at different time points of ICU admission. The 28-day survival rate was significantly higher and the length of survival was significantly longer in the patients with serum phosphorus > 1.01 mmol/L than those serum phosphorus <= 1.01 mmol/L on the 7th day [28-day survival rate: 93.2% (55/59) vs. 22.7% (5/22), chi 2 = 49.697, P = 0.000; survival period (days): 27.1+/-3.6 vs. 19.8+/-7.8, t = 4.768, P = 0.000]. CONCLUSIONS: The continuous decline of serum phosphorus indicates poor prognosis, and the serum phosphorus level on the 7th day is one of the most important indicator to evaluate the prognosis of patients with sepsis. PMID- 29216940 TI - [Study on risk factor of central venous catheter infection in ICU: 1 160 patients report]. AB - OBJECTIVE: To analyze the etiology and risk factors of central venous catheter (CVCs) infections, and to explore the prophylaxis and treatment for catheter related infections. METHODS: A retrospective study was conducted. The patients with CVCs admitted to intensive care unit (ICU) of Qianfoshan Hospital Affiliated to Shandong University from January 2000 to December 2016 were enrolled. The gender, age, catheter data and microorganism culture results of all patients were collected. The infection rate and the incidences of CVCs infection per 1 000 catheter days were calculated. The risk factors of CVCs infection were analyzed by Logistic regression. RESULTS: 1 160 patients were enrolled in 17 years [male 915, female 245, age 7-98 years, mean (71.8+/-17.5) years]. The incidences of CVCs infection per 1 000 catheter days were descended every 3 years (cases/1 000 days: 21.87, 24.50, 19.95, 12.64, 16.34, 12.40, chi2 = 38.851, P = 0.000). Of the 1 160 patients, 375 were positive for catheter culture, and 397 strains were cultured, among which 173 strains (43.58%) were Gram negative (G-), 130 strains (32.74%) of Gram positive (G+), and 94 strains of fungi (23.68%). Non-fermenting bacteria (Pseudomonas aeruginosa 11.59%, Acinetobacter baumannii 8.82%) was predominant in the G- bacteria, followed by Enterobacteria (Klebsiella pneumoniae 8.06%, Escherichia coli 2.02%); Staphylococcus spp. (Staphylococcus epidermidis 11.84%, Staphylococcus aureus 5.29%) was the main species of G+ bacteria; the main fungi were Candida tropicalis (9.07%) and Candida albicans (5.79%). The catheter infection rate of internal jugular vein, femoral vein and subclavian vein were 36.07% (22/61), 35.52% (119/335), 30.63% (234/764) respectively (chi2 =2.275, P = 0.099), the incidence of catheter infection of three vein insertion sites per 1 000 catheter days were 18.00, 17.71, 17.08 cases/1 000 days respectively (chi2 = 0.034, P = 0.714). The mean placement time of infected CVCs in situ was longer than that of non-infected CVCs (days: 20.80+/-11.68 vs. 17.64+/-10.77, t = 4.417, P = 0.000).The positive rate was lowest during 1-7 days of indwelling time (19.87%, 30/151). The infection rate was increased with long indwelling time. The positive rate was 44.44% (68/153) as indwelling time was over 30 days. The infection rate was significantly positively related to indwelling time (chi2 = 22.849, P = 0.000). Multiple Logistic regression analysis showed that the infection risk of femoral vein catheter was increased [odds ratio (OR) = 1.362, 95% confidence interval (95%CI) = 1.030-1.801, P = 0.030] as compared with that of subclavian vein catheter; the infection risk was increased with long indwelling time (OR = 1.306, 95%CI = 1.177-1.480, P = 0.000). CONCLUSIONS: G- are the major pathogens of CVCs infection. Femoral vein catheter and long indwelling time are the risk factors of CVCs infection. PMID- 29216941 TI - [Impact of unfractionated heparin on serum and liver tissue expression of heparanase in the liver injury of mice with sepsis]. AB - OBJECTIVE: To investigate the effect of unfractionated heparin on the expression of serum and liver tissue heparanase (HPA) in mice with liver injury induced by sepsis. METHODS: Forty-eight healthy male C57BL/6 mice aged 6-8 weeks were divided into groups according to random number table method. Twenty-four septic mice models (CLP group) were established by cecal ligation and puncture (CLP); the other 24 mice underwent sham operation (sham group), only laparotomy and abdominal closure were performed without ligation. Twelve mice in sham group and CLP group received heparin pretreatment (sham+UFH group, CLP+UFH group), and 8 U heparin unfractionated heparin (diluted to 200 MUL) was injected into the tail vein of the mice at 30 minutes and 12 hours after operation respectively. The other 12 mice were injected with the same amount of normal saline. The serum and liver tissues of mice were collected at 4 and 24 hours after CLP. The levels of serum HPA, interleukin (IL-6, IL-1beta), tumor necrosis factor-alpha (TNF-alpha), aspartate aminotransferase (AST) and alanine aminotransferase (ALT) were measured by enzyme linked immunosorbent assay (ELISA). The pathological changes of liver tissue were observed with hematoxylin eosin (HE) staining. The expression of HPA in liver tissue was detected by immunohistochemistry. RESULTS: Compared with the sham group, the levels of serum HPA, IL-6, IL-1beta, TNF-alpha, ALT and AST in the CLP group were increased significantly, and increased further over time. The histopathology examination was performed, and abnormal structure, inflammatory cell infiltration, liver cell necrosis could be found in the tissue. The expression level of HPA in liver tissue was detected by immunohistochemistry, which was increased after CLP. This indicated that the animal model of sepsis was successfully prepared. Compared with CLP group, serum HPA, inflammatory factors and transaminase levels were significantly decreased at 4 hours after operation in group CLP+UFH [HPA (ng/L): 76.72+/-2.75 vs. 101.55+/-7.54, IL-6 (ng/L): 51.16+/-5.68 vs. 63.89+/-3.26, IL-1beta (ng/L): 31.53+/-2.90 vs. 40.87+/-2.88,TNF alpha (ng/L): 171.76+/-5.60 vs. 194.62+/-14.13, ALT (MUg/L): 0.26+/-0.09 vs. 0.62+/-0.17, AST (MUg/L): 1.03+/-0.22 vs. 1.45+/-0.08, all P < 0.05]. At 24 hours, it was significantly higher than that of 4 hours, but they were significantly lower than those in CLP group [HPA (ng/L): 125.30+/-7.80 vs. 302.50+/-17.81, IL-6 (ng/L): 81.16+/-4.54 vs. 176.56+/-5.45, IL-1beta (ng/L): 61.13+/-2.80 vs. 113.73+/-3.96, TNF-alpha (ng/L): 328.47+/-10.79 vs. 599.62+/ 10.20, ALT (MUg/L): 0.38+/-0.17 vs. 0.91+/-0.26, AST (MUg/L): 1.16+/-0.15 vs. 1.88+/-0.08, all P < 0.05]. It was shown by HE staining that the edema of liver tissue decreased and inflammatory cell infiltration decreased. It was shown by immunohistochemistry that the expression level of HPA in liver tissue was significantly decreased [A value (*10-3): 2.49+/-0.93 vs. 6.05+/-1.22 at 4 hours, 1.86+/-0.77 vs. 7.55+/-0.35 at 24 hours, both P < 0.05]. There was no significant difference in indexes between the sham+UFH group and the sham group. CONCLUSIONS: The expression of HPA was significantly increased during sepsis in mice. Unfractionated heparin may mitigate liver injury by inhibiting HPA. PMID- 29216942 TI - [Comparison of national early warning score, rapid emergency medicine score and acute physiology and chronic health evaluation II score for predicting outcome among emergency severe patients]. AB - OBJECTIVE: To analyze the comparation of national early warning score (NEWS), rapid emergency medicine score (REMS) and acute physiology and chronic health evaluation II (APACHE II) score in predicting prognosis of critically ill patients in emergency department (ED). METHODS: A retrospective study was conducted. Critically ill patients, aged > 16 years, hospitalized > 24 hours, and admitted to the ED of Nanhua Hospital Affiliated to South China University from January 2016 to June 2017 were enrolled. NEWS, REMS and APACHE II score were calculated based on the worst value of each index within 24 hours after emergency admission. The primary endpoint was 28-day mortality. The relationship between the three scoring systems and the prognosis of patients was analyzed. The predictive value of three scoring systems for the prognosis of critically ill patients in ED was analyzed by receiver operating characteristic curve (ROC). RESULTS: A total of 119 emergency severe patients were enrolled in the study, and the 28-day mortality was 21.0%. The scores of NEWS, REMS and APACHE II in the death group were significantly higher than those in the survival group (NEWS score: 9.40+/-3.19 vs. 5.72+/-2.35, REMS score: 12.64+/-4.46 vs. 7.97+/-3.28, APACHE II score: 26.64+/-6.92 vs. 16.19+/-5.48, all P < 0.01). With the increase of NEWS, REMS and APACHE II score, the 28-day mortality of patients gradually increased [28-day mortality of NEWS < 5, 5-6, >= 7 was 3.03% (1/34), 13.33% (4/34), 64.25% (20/51); 28-day mortality of REMS < 12, 12-16, >= 17 was 10.99% (10/91), 50.00% (11/22), 66.67% (4/6); 28-day mortality of APACHE II < 15, 15-24, >= 25 was 2.33% (1/43), 15.09% (8/59), 69.57% (16/23), respectively, all P < 0.01]. The ROC curve analysis showed that the areas under the ROC curve (AUC) of NEWS, REMS and APACHE II score for predicting the prognosis of emergency critically ill patients were 0.830 [95% confidence interval (95%CI) = 0.737 0.923], 0.782 (95%CI = 0.671-0.892) and 0.878 (95%CI = 0.800-0.956), respectively (all P = 0.000), and the accuracy of prediction was 57.4%, 48.6%, 65.4%, respectively. CONCLUSIONS: The scores of NEWS, REMS and APACHE II were useful in predicting prognosis of critically ill patients, with the highest accuracy of APACHE II forecast, followed by NEWS, and the lowest of REMS. After comprehensive consideration of cost-effectiveness, NEWS is more reliable in ED. PMID- 29216943 TI - [Effect of D-dimer and tissue factor-1208D/I gene polymorphism on the prognosis of patients with off-pump coronary artery bypass grafting]. AB - OBJECTIVE: To investigate the effect of perioperative period D-dimer and tissue factor (TF)-1208D/I gene polymorphism on the long-term prognosis of patients with off-pump coronary artery bypass grafting (OPCABG). METHODS: Retrospective analysis of the case data of the first OPCABG patients admitted to Tianjin Medical University General Hospital from May 2015 to May 2016 were enrolled. The general data, operation time, bypass number, left ventricular ejection fraction (LVEF), flow rate of 24-hour pleural effusion, intraoperative heparin dosage, combined anticoagulant and antiplatelet time, and the time of postoperative ventilator were measured. The blood biochemical indexes of 1, 4, 7, 14 days and 1, 2, 3 months after operation, perioperative complications, the level of D-dimer in the patients with different TF-1208D/I gene polymorphism, and prognosis of 1 year follow-up were recorded. The risk factors of recurrent angina 1 year after operation was analyzed by Logistic regression analysis. RESULTS: The level of plasma D-dimer was increased continuously after OPCABG, and reached a peak at 1 month after operation [1.94 (1.07, 2.70) mg/L], then decreased, and decreased to preoperative level 3 months after operation [0.20 (0.10, 0.45) mg/L]. The level of D-dimer in TF-1208II genotype was significantly higher than that in TF-1208DD genotype and TF-1208D/I genotype group at 14 days and 1 month after operation [mg/L: 4.17 (1.54, 5.09) vs. 1.91 (1.07, 2.26), 1.02 (0.91, 1.88) at 14 days; 5.12 (2.41, 6.32) vs. 1.94 (1.18, 2.70), 1.62 (0.22,1.88) at 1 month, all P < 0.05]. The results of 1-year follow-up showed that 25 patients with recurrent angina pectoris without the occurrence of myocardial infarction. The proportion of recurrent angina pectoris in TF-1208II genotype was significantly higher than that in TF-1208DD genotype and TF-1208D/I genotype group (chi2 = 0.197, P = 0.004). Logistic regression analysis showed that LVEF < 0.50 [odds ratio (OR) = 6.482, 95% confidence interval (95%CI) = 1.365-18.763, P = 0.015] and TF-1208II genotype (OR = 8.864, 95%CI = 1.613-46.743, P = 0.012) were independent risk factors for recurrent angina pectoris at 1 year after OPCABG. CONCLUSIONS: After OPCABG, the body was in a hypercoagulable state and lasted for a long time, and almost recovered 3 months after operation. LVEF < 0.50 and TF-1208 II genotype were independent risk factors of angina pectoris at 1 year after surgery. PMID- 29216944 TI - [Prognostic value of oxygen challenge test for patients with cardiogenic shock receiving extracorporeal membrane oxygenation]. AB - OBJECTIVE: To investigate the prognostic value of oxygen challenge test (OCT) for patients with cardiogenic shock receiving extracorporeal membrane oxygenation (ECMO). METHODS: A retrospective analysis was conducted. Seventy-eight patients diagnosed with cardiogenic shock receiving veno-arterial (V-A) ECMO admitted to Department of intensive care unit (ICU) of Wuxi People's Hospital Affiliated to Nanjing Medical University from June 2012 to May 2017 were enrolled. Ten-minute OCT was implemented by transcutaneous oximetry at 6 hours after ECMO initiation. The basic data of patients (gender, age, primary disease); the acute physiology and chronic health evaluation II (APACHE II) score, sequential organ failure assessment (SOFA) score, left ventricular ejection fraction (LVEF), mean arterial pressure (MAP) at the start of ECMO treatment; arterial blood gas analysis index, dose of vasoactive agents, transcutaneous oxygen pressure (PtO2), 10-minute OCT value (OCT10), oxygen challenge index (OCI) at 6 hours after ECMO initiation; and the ECMO support time, duration of mechanical ventilation and its parameters, and application of intra-aortic balloon pump (IABP) within 60 days were recorded. Patients were divided into the survival group and the death group according to their 60-day mortality status, and the differences between the two groups were compared. Receiver operating characteristic curve (ROC) analysis was used to analyze the prognostic value of OCT10 and OCI. According to the best boundary value of OCT10 and OCI, Kaplan-Meier survival curve was drawn and the 60-day cumulative survival rate was compared. The risk factors affecting prognosis were analyzed by multivariate Logistic regression. RESULTS: Sixty-seven patients were finally enrolled in the study, with 31 in the survival group and 36 in the death group. Compared with the survival group, APACHE II score, SOFA score, use of IABP in death group were higher, PtO2, OCT10 and OCI were lower, and duration of ECMO and ventilation were longer, but there was no significant difference in gender, age, primary disease, LVEF, MAP, ventilator settings, dose of vasoactive agents, or results of arterial blood gas between the two groups. OCT10, OCI, APACHE II score and SOFA score were predictive values for 60-day deaths, and the area under ROC curve (AUC) of OCT10 was 0.866+/-0.042 [95% confidence interval (95%CI) = 0.760-0.937], the AUC of OCI was 0.829+/-0.051 (95%CI = 0.717-0.910), the AUC of APACHE II score was 0.860+/-0.043 (95%CI = 0.754-0.933), and the AUC of SOFA score was 0.821+/-0.049 (95%CI = 0.708-0.904) (all P < 0.01). The cut-off point for OCT10 was >=70.0 mmHg (1 mmHg = 0.133 kPa) with the sensitivity of 91.67% and the specificity of 67.74%. The cut-off point for OCI was >=0.68 with the sensitivity of 88.68% and the specificity of 71.58%. According to the cut-off point for OCT10 or OCI, the 60-day cumulative survival rate of patients with high OCT10 was significantly higher than that of low OCT10 [58.06% (18/31) vs. 36.11% (13/36), chi2 = 5.425, P = 0.020]; the survival rate in high OCI group was significantly higher than that in low OCI group [55.17% (16/29) vs. 39.47% (15/38), chi2 = 5.119, P = 0.024]. It was shown by multivariate Logistic regression that OCT10 [odds ratio (OR) = 0.883, 95%CI = 0.791-0.965, P = 0.006] and OCI (OR = 0.011, 95%CI = 0.001-0.087, P = 0.005) were independent risk factors for 60-day mortality. CONCLUSIONS: OCT could predict the prognosis of patients with cardiogenic shock receiving ECMO. PMID- 29216945 TI - [Expression and meaning of T-bet and GATA3 mRNA in T lymphocyte of patients during the operation with cardiopulmonary bypass]. AB - OBJECTIVE: To investigate the effects of cardiopulmonary bypass (CPB) on the differentiation of T lymphocyte subsets and the expression of specific transcription regulator T-bet/GATA binding protein 3 (GATA3). METHODS: A prospective double-blind study was conducted. Patients with CPB pulmonary repair of ventricular septal defect (observation group) or off-pump ligation of ductus arteriosus (control group) with 20 cases each in the 150th Military Hospital from February 2015 to February 2016 were enrolled. The blood sampled was collected on the time of before operation, at the end of CPB or operation, 4 hours after operation, and 24 hours after operation. T lymphocytes were isolated, the helper T cell 1 (Th1) specific transcription factor T-bet mRNA, helper T cell 2 (Th2) specific transcription factor GATA3 mRNA expression and cytokine gamma-interferon (IFN-gamma) mRNA, interleukin-4 (IL-4) mRNA expression were measured by Northern Blot. RESULTS: Compared with before operation, expression levels of T-bet mRNA [integral gray values: (1.39+/-0.52)*105 vs. (2.92+/-0.88)*105], IFN-gamma mRNA [integral gray values: (3.68+/-0.65)*105 vs. (6.10+/-0.93)*105] were decreased transiently at the end of CPB in the observation group (both P < 0.05), returned to preoperative levels at 24 hours after operation [integral gray values: (2.77+/ 0.74)*105, (6.22+/-1.25)*105, respectively, both P > 0.05]; expression levels of GATA3 mRNA [integral gray values: (4.96+/-0.88)*105 vs. (3.21+/-0.68)*105], IL-4 mRNA [integral gray values: (3.52+/-1.13)*105 vs. (1.85+/-0.63)*105] were increased (both P < 0.05), recovered to the preoperative levels at 24 hours after operation [integral gray values: (3.11+/-0.51)*105, (1.93+/-0.84)*105, respectively, both P > 0.05]. There were no significant differences in the expressions of T-bet, GATA3, IFN-gamma and IL-4 mRNA in the control group at each time points (all P > 0.05). CONCLUSIONS: CPB causes the imbalance of Th1, Tc1/Th2, Tc2 and pro-inflammatory and anti-inflammatory reactions specially, which participate the complication occurrence after CPB. The changing of T bet/GATA3 may be the internal mechanism for these changes. PMID- 29216946 TI - [Diagnostic significance of urinary neutrophil gelatin enzyme-related lipid delivery protein and kidney injury molecule-1 in acute kidney injury after cardiac operation with cardiopulmonary bypass operation in children]. AB - OBJECTIVE: To investigate the diagnostic value of urinary neutrophil gelatin enzyme-related lipid delivery protein (NGAL) and kidney injury molecule-1 (KIM-1) in the acute kidney injury (AKI) after cardiopulmonary bypass (CPB) operation in children with non-cyanotic congenital heart disease (CHD). METHODS: A retrospective analysis was conducted. 200 CPB undergoing cardiac surgery in children with non-cyanotic CHD admitted to Tianjin Children's Hospital from June 2015 to May 2017 were enrolled. All patients were divided into AKI group and non AKI group within 48 hours after operation, and the two groups matched with age, sex, weight, basic complications, operation time and other factors. The differences in serum creatinine (SCr), urinary NGAL and KIM-1 [corrected for urinary creatinine (UCr)] between the two groups before and after operation were compared. The early diagnosis value of urinary NGAL and KIM-1 on AKI was analyzed by the receiver operating characteristic curve (ROC). RESULTS: There were 32 patients with different degrees of AKI 48 hours post operation, and the incidence was 16.0%; 60 cases were enrolled in non-AKI group. Compared with non-AKI group, urinary NGAL at 2 hours after operation, urine KIM-1 at 4 hours after operation, and SCr at 10 hours after operation in AKI group were significantly increased, which decreased gradually after reaching peak at 6, 8, 24 hours respectively. It was shown by ROC curve analysis that the area under ROC curve (AUC) and 95% confidence interval (95%CI) of postoperative 2-hour urine NGAL, 4-hour urine KIM 1 and 10-hour SCr for diagnosis of AKI were 0.940 (95%CI = 0.890-0.990), 0.939 (95%CI = 0.891-0.986) and 0.959 (95%CI = 0.916-1.000) respectively. When the cut off value of postoperative 2-hour urine NGAL was 588.0 MUg/g, the sensitivity was 87.5%, the specificity was 95.0%, the accuracy was 93.5%; when the cut-off value of postoperative 4-hour urine KIM-1 was 9.55 ng/mg, the sensitivity was 87.5%, the specificity was 91.7%, the accuracy was 90.2%; and when the cut-off value of postoperative 10-hour SCr was 61.90 MUmol/L, the sensitivity was 90.6%, the specificity was 95.0%, and the accuracy was 95.7%. CONCLUSIONS: Urine NGAL and KIM-1 can be used as biomarkers for early diagnosis of AKI after CPB for the non cyanotic CHD in children. PMID- 29216947 TI - [Effects of active abdominal compression-decompression CPR on oxygen metabolism and prognosis in patients with cardiac arrest]. AB - OBJECTIVE: To analyze the effect of active abdominal compression-decompression cardiopulmonary resuscitation (AACD-CPR) and standard cardiopulmonary resuscitation (STD-CPR) on oxygen metabolism and prognosis of patient with cardiac arrest (CA), and to evaluate the treatment effect of AACD-CPR. METHODS: Patients with CA, CA time less than 30 minutes, and without STD-CPR and AACD-CPR contraindications admitted to the Zhengzhou People's Hospital from October 1st 2015 to May 31st 2017 were enrolled. The patients were divided into STD-CPR group and AACD-CPR group according to random number table. All patients were given the same rescue measures, if required to give defibrillation; STD-CPR group was operated according to the 2015 American Heart Association (AHA) CPR guidelines; AACD-CPR group was recovered using abdominal lifting and compression cardiopulmonary resuscitation instrument. The oxygen metabolism, hemodynamic, arterial blood gas and prognostic indicators were recorded in the two groups during the resuscitation. RESULTS: A total of 69 cases, with STD-CPR group of 34 cases and AACD-CPR group of 35 cases were enrolled finally. (1) The oxygen metabolism: during the recovery, compared with STD-CPR group, arterial blood oxygen content (CaO2), arterial-venous oxygen content difference (avDO2), the oxygen carrying capacity (DO2), oxygen consumption (VO2) in AACD-CPR group were significantly increased [CaO2 (mL/L): 156+/-15 vs. 142+/-19, avDO2 (mL/L): 83+/ 14 vs. 73+/-13, DO2 (mL/min): 248+/-51 vs. 208+/-54, VO2 (mL/min): 134+/-29 vs. 118+/-32, all P < 0.05], but there were no significant differences in cardiac output (CO) and mixed venous oxygen content (CvO2). (2) Hemodynamic and arterial blood gas: there were no significant differences in the base values of the heart rate (HR), mean arterial pressure (MAP), pH value, pulse oxygen saturation (SpO2), arterial oxygen pressure (PaO2), arterial partial pressure of carbon dioxide (PaCO2), and blood lactate (Lac) between two groups. In the recovery process, MAP, pH value, SpO2, PaO2 of two groups were increased, while PaCO2 and Lac were decreased. Except MAP of STD-CPR group was slightly higher than AACD-CPR group, the change tendency of AACD-CPR group was more obvious in each index obviously [pH value difference: 0.10+/-0.15 vs. 0.02+/-0.13, SpO2 difference: 0.311+/-0.255 vs. 0.159+/-0.232, PaO2 difference (mmHg, 1 mmHg = 0.133 kPa): 12.96+/-21.84 vs. 3.01+/-13.56, PaCO2 difference (mmHg): -9.91+/-11.17 vs. 3.52+/-13.87, Lac value difference (mmol/L): -0.64+/-0.61 vs. -0.31+/-0.58, all P < 0.05]. (3) Prognosis: compared with STD-CPR group, the restoration of spontaneous circulation (ROSC) rate in AACD-CPR group was slightly increased (22.9% vs. 8.8%, P > 0.05), but the ROSC time in AACD-CPR group was significantly shortened (minutes: 9.59+/-2.67 vs. 11.83+/-3.05, P < 0.01), nerve function defect score (NDS) was significantly decreased at 1, 2 weeks (26.45+/-6.42 vs. 30.73+/-7.38, 19.25+/-6.27 vs. 22.64+/-5.63, both P < 0.05), and the 2-week survival was slightly increased (17.1% vs. 5.9%, P > 0.05). CONCLUSIONS: AACD-CPR is similar to STD-CPR in improving hemodynamics of CA patients, but has advantage in the blood oxygen supply for tissues and organs, and the neurological function prognosis is better. PMID- 29216948 TI - [Tea polyphenols down-regulate JNK phosphorylation to inhibit neuron apoptosis in rats with cardiac arrest]. AB - OBJECTIVE: To study the effect of tea polyphenols (TP) on c-Jun N-terminal kinase 1/2 (JNK1/2) phosphorylation and cell apoptosis in brain tissues in rats with cardiac arrest (CA) following cardiopulmonary resuscitation (CPR). METHODS: Healthy male Sprague-Dawley (SD) rats were randomly divided into sham group (n = 6), CA group (n = 12), and TP group (n = 12). The rats in CA and TP groups were induced ventricular fibrillation (VF) via esophagus stimulation with alternating current. Five minutes after CA, CPR was performed. Once restoration of spontaneous circulation (ROSC) was gained, normal saline (NS) and TP were injected intravenously in CA and TP groups with 10 mg/kg, respectively. Cortex of 6 rats in each group was harvested at 12 hours and 72 hours after ROSC. Cortex of sham group was harvested at 72 hours after operation without VF induction. The expressions of phosphorylated JNK1/2 (p-JNK1/2), JNK1/2, caspase-3, Bax and Bcl-2 were measured by Western Blot. Cell apoptosis was detected by TdT-mediated dUTP nick end labeling (TUNEL), and p-JNK/TUNEL double positive cells were detected by fluorescence double staining. RESULTS: Compared with sham group, the expressions of p-JNK, caspase-3 and Bax were increased, the expression of Bcl-2 was declined, and the apoptotic cells were significantly increased at 72 hours after ROSC in CA group. Compared with CA group, the phosphorylation of JNK was significantly declined at 12 hours and 72 hours after ROSC in TP group (the ratio of p-JNK1/2 and JNK1/2: 3.200+/-0.060 vs. 5.700+/-0.210, 1.400+/-0.060 vs. 5.400+/-0.090, both P < 0.05), the expressions of caspase-3 and Bax were decreased [caspase-3 (gray value): 42.00+/-5.23 vs. 54.00+/-7.84, 38.74+/-4.60 vs. 58.68+/-7.19; Bax (gray value): 38.04+/-6.21 vs. 68.76+/-6.08, 58.84+/-7.99 vs. 70.03+/-7.36, all P < 0.05], the expression of Bcl-2 was increased (gray value: 37.36+/-3.11 vs. 28.47+/-7.46, 48.78+/-6.55 vs. 29.54+/-3.13, both P < 0.05); the cell apoptosis rate was reduced at 72 hours [(31.14+/-4.51)% vs. (45.87+/-3.95)%, P < 0.01], and p-JNK/TUNEL double positive cells/TUNEL cells ratio was significantly decreased (10.00+/-0.85 vs. 52.70+/-3.05, P < 0.01). CONCLUSIONS: The inhibition of neuron apoptosis caused by TP after CPR in rats with CA is related to the inhibition of JNK1/2 phosphorylation. PMID- 29216949 TI - [Effects of N-butylphthalide on the expressions of calpain 1 and CaMK II in hippocampus in rats with acute severe carbon monoxide poisoning]. AB - OBJECTIVE: To investigate the effects of N-butylphthalide (NBP) on cognitive function in acute severe carbon monoxide (CO) poisoning rats and its mechanism. METHODS: 120 health Sprague-Dawley (SD) rats were randomly divided into three groups (n = 40): normal control group (NC group), CO poisoning group (CO group) and NBP treatment group (NBP group). The acute severe CO poisoning model was established in a hyperbaric oxygen chamber by intoxicated with 1 000 *10-6 CO for 40 minutes, followed with 3 000 *10-6 CO for another 20 minutes, and then received hyperbaric oxygen therapy 1.5 hours once a day until sacrificed. Rats in NBP group were administered orally NBP 60 mg/kg for 2 times daily until death. NC group and CO group were treated with equal amount of pure olive oil. Four rats in each group were taken from 1, 3, 7, 14, 30 days after model setup, respectively. The cognitive function score was assessed by Morris water maze test. The changes in ultrastructure of hippocampus were observed under transmission electron microscope. The expressions of calpain 1 and Ca2+/calmodulin dependent protein kinase II (CaMK II) in hippocampus of brain tissue were detected by immunofluorescence staining, and the localization of the two target proteins in neurons was observed by immunofluorescence double staining. RESULTS: Compared with NC group, the escape latency at 1 day after poisoning in CO group was significantly prolonged (s: 55.6+/-3.2 vs. 44.5+/-3.5, P < 0.05), and the times of the platform crossing was significantly decreased (times: 1.3+/-0.8 vs. 6.6+/ 1.2, P < 0.05); the ultrastructure of hippocampus was obviously injured; the protein expressions of calpain 1 and CaMK II in brain tissue were significantly increased at 1 day after CO poisoning [calpain 1 (A value): 41.24+/-5.21 vs. 6.44+/-1.13, CaMK II (A value): 56.19+/-5.04 vs. 9.84+/-1.53, both P < 0.05], and the protein expression of calpain 1 reached the peak at 3 days (A value: 59.34+/ 6.11), the protein expression of CaMK II reached the peak at 1 day (A value: 56.19+/-5.04). Compared with CO group, the cognitive function was significantly improved in NBP group in the late stage of poisoning [7-30 days, escape latency (s): 40.3+/-1.9 vs. 49.1+/-3.1 at 7 days, 30.1+/-2.9 vs. 39.4+/-3.1 at 30 days; times of the platform crossing (times): 2.8+/-1.0 vs. 1.0+/-0.9 at 14 days, 3.2+/ 0.8 vs. 1.0+/-0.9 at 30 days, all P < 0.05]; the degree of injury of hippocampal neuron was relatively slight; the protein expression of calpain 1 in brain tissue was significantly decreased from 3 days after CO poisoning (A value: 39.63+/-3.03 vs. 59.34+/-6.11, P < 0.05), and the protein expression of CaMK II was significantly decreased from 1 day after CO poisoning (A value: 42.22+/-3.84 vs. 56.19+/-5.04, P < 0.05). Immunofluorescence double staining suggested that calpain 1 and CaMK II protein could not only coexist in the same cell, but also could be expressed separately in different cells. Linear regression analysis showed that the expression of calpain 1 and CaMK II was positively correlated (R 2 = 0.852, P = 0.002). CONCLUSIONS: NBP treatment could maintain ultrastructure integrity of hippocampus, balance the expression levels of calpain 1 and CaMK II proteins, and significantly improve cognitive impairment induced by CO poisoning, thus play a protective role against hippocampus damage in rats with acute severe CO poisoning. PMID- 29216950 TI - [Effect of early enteral nutrition standardized treatment on blood glucose and prognosis in acute respiratory distress syndrome patients with mechanical ventilation]. AB - OBJECTIVE: To study the effect of early entreat nutrition (EN) standardized treatment on optimization of blood glucose control and prognosis in acute respiratory distress syndrome (ARDS) patients with mechanical ventilation (MV). METHODS: Forty-two patients with MV of ARDS admitted to Huzhou First Municipal People's Hospital from April 2015 to March 2017 were enrolled. April 1st, 2016 was taken as the time node, the patients treated from April 1st, 2015 to March 31st, 2016 were assigned in the control group (n = 20), while the patients treated from April 1st, 2016 to March 31st, 2017 were included in the experimental group (n = 22). The patients in experimental group were given conventional treatment, in 24-48 hours after admission gastrointestinal decompression was stopped and early EN was begun through a nasointestinal tube; the patients in control group received conventional treatment and routine EN (given 48 hours after admission). The differences in nutritional support indexes, the blood glucose variability indexes and the prognostic related indicators were compared between the two groups. RESULTS: Compared with the control group, the initiation time for EN tolerance, first defecation time, time of reaching target feeding amount were significantly earlier in the early EN standardized treatment process management [time of initial EN tolerance (hours): 106.82+/-42.84 vs. 157.29+/-56.76, first defecation time (hours): 71.29+/-23.43 vs. 104.69+/-26.94, time of reaching target feeding amount (days): 6.24+/-1.25 vs. 9.86+/-2.36], the proportions of EN/EN+parenteral nutrition (PN) and the nasointestinal tube feeding reaching the standard on 7 days in experimental group were significantly increased [the proportion of EN/EN+PN: 98.69% vs. 78.69%, the nasointestinal tube feeding reaching standard: 68.18% (15/22) vs. 45.00% (9/20)], average level of blood glucose (GLUave), maximum value of blood glucose (GLUmax), standard deviation of blood glucose (GLUsd), coefficient of variation of blood glucose (GLUcv), hyperglycemia incidence, incidence of multiple organ dysfunction syndrome (MODS), 28-day mortality were significantly decreased [GLUave (mmol/L): 9.4+/-2.6 vs. 11.5+/-3.9, GLUmax (mmol/L): 14.19+/-2.36 vs. 16.26+/-4.89, GLUsd (mmol/L): 4.86+/-1.27 vs. 6.87+/-2.46, GLUcv: (49.86+/-6.32)% vs. (59.95+/ 5.81)%, hyperglycemia incidence: 59.09% (13/22) vs. 80.00% (16/20), incidence of MODS: 59.09% (13/22) vs. 80.00% (16/20), 28-day mortality: 36.36% (8/22) vs. 45.00% (9/20)], minimum value of blood glucose (GLUmin) was significantly increased (mmol/L: 5.86+/-2.32 vs. 4.18+/-1.86), invasive MV time was significantly shorted (hours: 156.82+/-26.84 vs. 169.93+/-32.34) with statistically significant differences (all P < 0.05). Early EN could also improve the patient's pulmonary oxygenation function. Since 9 days of disease course, the oxygenation index (PaO2/FiO2) in the experimental group was significantly higher than that of the control group [mmHg (1 mmHg = 0.133 kPa): 256.97+/-18.63 vs. 239.82+/-21.72, P = 0.068], but there was no significant difference in the length of ICU stay (days: 13.9+/-3.6 vs. 14.8+/-3.4, P > 0.05). CONCLUSIONS: The early EN standardized treatment process management can improve the nutritional status, decrease blood sugar fluctuations, and further benefit the improvement of the prognosis of ARDS patients with MV. PMID- 29216951 TI - [Design and application of portable rescue vehicle]. AB - OBJECTIVE: The disease of critically ill patients was with rapid changes, and at any time faced the risk of emergency. The current commonly used rescue vehicles were larger and bulky implementation, which were not conducive to the operation, therefore the design of a portable rescue vehicle was needed. This new type of rescue vehicle is multi-layer folding structure, with small footprint, large storage space, so a variety of first aid things can be classified and put, easy to be cleaned and disinfected. In the rescue process, the portable rescue vehicles can be placed in the required position; box of various emergency items can be found at a glance with easy access; the height of the infusion stand can adjust freely according to the user height; the rescue vehicle handle can be easy to pull and adjust accord with human body mechanics principle. The portable rescue vehicle facilitates the operation of medical staff, and is worthy of clinical application. PMID- 29216952 TI - [Sepsis-induced cardiomyopathy complicated with cardiogenic shock patients supported with extracorporeal membrane oxygenation]. AB - OBJECTIVE: Sepsis-induced cardiomyopathy is a reversible myocardial dysfunction due to sepsis, which may be severe enough to complicate cardiogenic shock, and without effective drug and with high mortality during the acute phase. A case of sepsis-induced cardiomyopathy complicated with cardiogenic shock was treated in the intensive care unit (ICU) of Shunde Hospital Southern Medical University. A 37 years old female patient was admitted because she had suffered repeated fever for 5 days, chest tightness and abdominal pain for 3 days. At the same time, there were severe cardiac depression and abdominal infection, which could be explained by the monismtheory of sepsis cardiomyopathy.The cardiogenic shock patient was not improved after antibiotic therapy and hemodynamic support, extracorporeal membrane oxygenation (ECMO) support was prescribed. The circulation failure was smoothly got through with ECMO and was transfer from ICU to ordinary ward. Computed tomographic angiography (CTA) of abdominal aorta and colonoscopy indicated lesions of small intestine. The diagnosis of infection and bleeding in ileum diverticulum was confirmed during the operation and the lesions was removed. She recovered and was discharged 1 week after operation. Through the case review, we aim to improve the awareness of sepsis-induced cardiomyopathy and the value of ECMO support in cardiogenic shock. PMID- 29216953 TI - [Significance of heparin in the treatment of patients with sepsis]. AB - OBJECTIVE: The latest definition of sepsis (Sepsis-3) is the life-threatening organ dysfunction due to overreaction of immune system caused by infection. The situation can develop into multiple organ dysfunction syndromes (MODS). In the pathological process of pathogen invasion, a large number of inflammatory factors directly damage organ function, while dysfunction of coagulation system is also involved in this process. With the overreaction of inflammation, disseminated intravascular coagulation (DIC) occurred, which further exacerbated organ damage. As excessive inflammation and coagulation disorders are mutually reinforced, the clearance of pathogenic microorganisms and the control of inflammatory reactions cannot effectively improve the sepsis caused by MODS. As a clinically readily available anticoagulant, heparin is widely used in a variety of severe situations caused by DIC, thromboembolic disease and some invasive procedure for anticoagulant treatment. In recent years, domestic and foreign studies have found that heparin has a certain anti-inflammatory effect, which can reduce the incidence of DIC, improve sepsis patients with microcirculation and MODS, reduce 28-day mortality. However, there is controversy in its effectiveness and safety. Therefore, the application of heparin in the treatment of sepsis need to be further defined and discussed. PMID- 29216954 TI - [Advances in risk factors of Klebsiella pneumoniae carbapenemases-producing Klebsiella pneumoniae infection or colonization and its treatment strategies]. AB - OBJECTIVE: Klebsiella pneumoniae carbapenemases-producing Klebsiella pneumoniae (KPC-Kp) has caused a global public health crisis, and the severity of its infection is associated with high mortality in hospitalized patients. Therefore, the KPC-Kp prevention methods and the corresponding treatment strategy exploration are imminent. The risk factors and the treatment progress of KPC-Kp colonization or infection are reviewed in this paper to explore corresponding preventive measures and treatment strategies for clinical prevention and treatment. PMID- 29216955 TI - Combined Toxicity of an Environmental Remediation Residue, Magnetite Fe3O4 Nanoparticles/Cr(VI) Adduct. AB - OBJECTIVE: This paper aims to elucidate the combined toxicity of magnetite nanoparticles/Chromium [MNPs/Cr(VI)] adducts. METHODS: The HEK293 cell was exposed to either Cr(VI) or MNPs, or their adducts MNPs/Cr(VI). The cytotoxicity was evaluated by assessing the cell viability, apoptosis, oxidative stress induction, and cellular uptake. RESULTS: The toxicity of formed adducts is significantly reduced when compared to Cr(VI) anions. We found that the cellular uptake of MNPs/Cr(VI) adduct was rare, only few particles were endocytosed from the extracellular fluid and not accumulated in the cell nucleus. On the other hand, the Cr(VI) anions entered cells, generated oxidative stress, induced cell apoptosis, and caused cytotoxicity. CONCLUSION: The results showed minor effects of the nanoadducts on the tested cells and supported that magnetite nanoparticles could be implemented in the wastewater treatment process in which advantageous properties outweigh the risks. PMID- 29216956 TI - Increased PIT1 and PIT2 Expression in Streptozotocin (STZ)-induced Diabetic Mice Contributes to Uptake of iAs(V). AB - OBJECTIVE: This study aimed to investigate the susceptibility of mice with streptozotocin(STZ)-induced diabetes mellitus (TIDM) to the uptake of pentavalent inorganic arsenic (iAsV) and the possible molecular mechanism. METHODS: TIDM was induced in mice by STZ. TIDM and normal mice were treated with 15.0 mg/kg Na2HAsO4.12H2O by intragastric administration. Then, the concentrations of arsenic in various tissues were measured by atomic fluorescence spectrometry. The gene expression levels of Pit1 and Pit2 were quantified by real-time RT-PCR, and their protein levels were detected by Western blotting in mouse heart, kidney, and liver tissues. RESULTS: The concentrations of arsenic in STZ-induced TIDM mouse tissues were higher at 2 h after intragastric administration of Na2HAsO4.12H2O. Compared with the levels in normal mice, PIT1 and PIT2, which play a role in the uptake of iAsV, were upregulated in the livers and hearts of TIDM mice. PIT1 but not PIT2 was higher in TIDM mouse kidneys. The upregulation of Pit1 and Pit2 expression could be reversed by insulin treatment. CONCLUSION: The increased uptake of iAsV in TIDM mouse tissues may be associated with increased PIT1 and/or PIT2 expression. PMID- 29216957 TI - Handgrip Strength as a Predictor of Nutritional Status in Chinese Elderly Inpatients at Hospital Admission. AB - OBJECTIVE: To assess nutritional status and define gender- and age-specific handgrip strength (HGS) cut-point values for malnutrition or nutritional risk in elderly inpatients. METHODS: A cross-sectional study of 1,343 elderly inpatients was conducted in the Chinese PLA General Hospital. Nutrition Risk Screening (NRS 2002) and Subjective Global Assessment (SGA) were administered. Anthropometric measurements and blood biochemical indicators were obtained using standard techniques. The gender- and age-specific receiver operating characteristic (ROC) curves were constructed to evaluate the HGS for nutritional status by SGA and NRS 2002. Sensitivity, specificity, and areas under the curves (AUCs) were calculated. RESULTS: According to NRS 2002 and SGA, 63.81% of elderly inpatients were at nutritional risk and 28.22% were malnourished. Patients with higher HGS had an independently decreased risk of malnutrition and nutritional risk. The AUCs varied between 0.670 and 0.761. According to NRS 2002, the optimal HGS cut points were 27.5 kg (65-74 years) and 21.0 kg (75-90 years) for men and 17.0 kg (65-74 years) and 14.6 kg (75-90 years) for women. According to SGA, the optimal HGS cut-points were 24.9 kg (65-74 years) and 20.8 kg (75-90 years) for men and 15.2 kg (65-74 years) and 13.5 kg (75-90 years) for women. CONCLUSION: Elderly inpatients had increased incidence of malnutrition or nutritional risk. HGS cut points can be used for assessing nutritional status in elderly inpatients at hospital admission in China. PMID- 29216958 TI - Investigation of Extracts from Tunisian Ethnomedicinal Plants as Antioxidants, Cytotoxins, and Antimicrobials. AB - OBJECTIVE: To determine the medicinal potential of various plants and their parts extracted with different solvents. METHODS: The total phenolic content of acetonitrile/water (60%-40%) (ACN/W) and aqueous (W) extract fractions was determined by high-performance liquid chromatography (HPLC), and terpenic compounds were detected by gas chromatography/mass spectrometry (GC/MS). Antioxidant activity of the samples was evaluated using 2,2-diphenyl-1 picrylhydrazyl (DPPH) assay and beta-carotene bleaching method. Cell viability was investigated by thiazolyl blue tetrazolium bromide [3-(4,5-dimethylthiazol)-2 yl 2,5-diphenyltetrazolium bromide] (MTT) assay. The mechanisms involved in cytotoxic activity were investigated in a murine macrophage cell line (RAW 264.7) and cancer lines. RESULTS: Our findings show that 11 plant species exhibited biological activity. In addition, moderate antibacterial activity was reported against one or more of the tested bacterial strains at two concentrations: 300 MUg and 3 mg/disc. Furthermore, our data reveal that among all plants investigated, some extract and hydrophobic fractions were potent scavengers of the DPPH radical (6.78 MUg/mL < EC50 < 8.55 MUg/mL). Taken together, our results show that Nerium oleander (NOACN/W) and Pituranthos tortuosus (PTACN/W) were highly cytotoxic against RAW 264.7 cells with IC80 values of 0.36, and 1.55 MUg/mL, respectively. In contrast, murine macrophage cell lines had low growth and were significantly sensitive to water extracts of Thymus hirtus sp. algeriensis (THW), Lavandula multifida (LMW), and ACN/W extract of Erica multiflora (EMACN/W) at doses > 400, 47.20, and 116.74 MUg/mL, respectively. The current work demonstrates that RAW 264.7 cell proliferation was inhibited by samples in a dose-dependent manner. CONCLUSION: Our findings, validated through free radical scavenging activity, agar diffusion assay, and cytotoxicity of essential oils towards cancer cells, show that ethnomedicinal plants used in this work have a novel application as a tumor suppressor. PMID- 29216959 TI - An Investigation of the First Case of Human Rabies Caused by a Fox in China in May 2016. AB - This study assesses the causes and prevention measures of rabies through epidemiological investigation and analysis. A field epidemiological survey was conducted to investigate a case of rabies by fox bite. The onset of symptoms began 50 days after the bite. The patient did not receive standard treatment, rabies vaccination, or rabies immunoglobulin injection. The fox was killed on the spot. Saliva and pre-death blood samples were collected at different periods, and only blood RT-PCR tests yielded positive results. Wild fox bite is a major risk factor of rabies infection in Xinjiang Province, China. PMID- 29216960 TI - Estimation Study of New Cancer Cases and Deaths in Wuwei, Hexi Corridor Region, China, 2018. AB - Population-based cancer registration data were collected to estimate the cancer incidence and mortality in Wuwei, Hexi Corridor Region, China in 2018. We used the 2011-2013 data to predict the number of new cases and deaths in 2018 and the 2003-2013 data to analyze trends in cancer incidence and mortality. The goal is to enable cancer prevention and control directions. Our results indicated that stomach cancer is the most common cancer. For all cancers combined, the incidence and mortality rates showed significantly increasing trends (+2.63% per year; P < 0.05 and +1.9% per year; P < 0.05). This study revealed a significant cancer burden among the population of this area. Cancer screening and prevention should be performed after an epidemiological study of the cause of the cancer is completed. PMID- 29216961 TI - Identification and Validation of Candidate Radiation-responsive Genes for Human Biodosimetr. AB - The aim of the present study is to analyze the global research trend of radiation responsive genes and identify the highly reproducible radiation-responsive genes. Bibliometric methods were applied to analyze the global research trend of radiation-responsive genes. We found 79 publications on radiation-responsive genes from 2000 to 2017. A total of 35 highly reproducible radiation-responsive genes were identified. Most genes are involved in response to DNA damage, cell proliferation, cell cycle regulation, and DNA repair. The p53 signal pathway was the top enriched pathway. The expression levels of 18 genes in human B lymphoblastoid cell line (AHH-1) cells were significantly up-regulated in a dose dependent manner at 24 h after exposure to 0-5 Gy 60Co gamma-ray irradiation. Our results indicate that developing a gene expression panel with the 35 high reproducibility radiation-responsive genes may be necessary for qualitative and quantitative assessment after exposure. PMID- 29216962 TI - Lead Exposure and Oxidative Stress in Coal Miners. AB - We aimed to investigate the short-term correlation between blood lead levels and oxidative stress generation in coal miners. The study involved 94 male coal miners from the Velenje Coal mine, arranged into four groups: three groups according to the number of consecutive working days, and a fourth control group. Miners who worked for three consecutive days had higher blood levels of lead and 8-isoprostane than the control group (P < 0.001). Correlation between lead and 8 isoprostane was of medium strength (r = 0.512, P < 0.001). Short-term lead environmental exposure can potentially harmful and should be considered when formulating improvements in working processes. PMID- 29216963 TI - Psychophysiological Effects of Bamboo Plants on Adults. AB - The present study was conducted to clarify the psychophysiological relaxation effects of viewing bamboo on university students. Forty healthy Chinese participants enrolled in this study to clarify the psychophysiological relaxation effects of viewing bamboo. The effects of visual stimulation using a pot both with and without a bamboo were recorded by measuring the student's blood pressure, EEG and STAI. We observed that viewing bamboo plants resulted in significantly lower systolic (female, P < 0.001; male, P < 0.001; P < 0.05) and diastolic (female, P < 0.001; male, P < 0.001; P < 0.05) blood pressures, but no changes in the pulse rate (female, P = 0.09; male, P = 0.07; P > 0.05) were observed. The results of the EEG analysis indicated brainwave variation (all P < 0.05) and lower anxiety scores (P < 0.01) after 3 min of viewing bamboo compared with the control. These findings indicate that visual stimulation with bamboo plants induced psychophysiological relaxation effects on adults. PMID- 29216964 TI - Comparison of T-2 Toxin and HT-2 Toxin Distributed in the Skeletal System with That in Other Tissues of Rats by Acute Toxicity Test. AB - Twelve healthy rats were divided into the T-2 toxin group receiving gavage of 1 mg/kg T-2 toxin and the control group receiving gavage of normal saline. Total relative concentrations of T-2 toxin and HT-2 toxin in the skeletal system (thighbone, knee joints, and costal cartilage) were significantly higher than those in the heart, liver, and kidneys (P < 0.05). The relative concentrations of T-2 toxin and HT-2 toxin in the skeletal system (thighbone and costal cartilage) were also significantly higher than those in the heart, liver, and kidneys. The rats administered T-2 toxin showed rapid metabolism compared with that in rats administered HT-2 toxin, and the metabolic conversion rates in the different tissues were 68.20%-90.70%. PMID- 29216965 TI - A Tiny RNA Molecule with a Big Impact on Type 2 Diabetes Mellitus Susceptibility. PMID- 29216967 TI - Caring for transgender people: looking beyond the hype. AB - This special issue of Sexual Health presents a collection of articles that addresses issues facing transgender individuals that are particularly challenging. Issues covered range from sexual health education in schools, the need for accurate epidemiological measurements, the perils of inaccurate diagnostic labels of transgender children, legal issues, the disproportionately high prevalence of HIV and sexually transmissible infections (STIs), and the role of primary care. We need to think critically, constructively and compassionately about transgender people. Particularly, we must look beyond the hype and objectively consider the evidence, without forgetting the people who are trying to cope with feelings that may be causing them great distress. PMID- 29216968 TI - Gender trouble: The World Health Organization, the International Statistical Classification of Diseases and Related Health Problems (ICD)-11 and the trans kids. AB - The World Health Organization (WHO) is revising its diagnostic manual, the International Statistical Classification of Diseases and Related Health Problems (ICD). At the time of writing, and based on recommendations from its ICD Working Group on Sexual Disorders and Sexual Health, WHO is proposing a new ICD chapter titled Conditions Related to Sexual Health, and that the gender incongruence diagnoses (replacements for the gender identity disorder diagnoses used in ICD 10) should be placed in that chapter. WHO is proposing that there should be a Gender incongruence of childhood (GIC) diagnosis for children below the age of puberty. This last proposal has come under fire. Trans community groups, as well as many healthcare professionals and others working for transgender health and wellbeing, have criticised the proposal on the grounds that the pathologisation of gender diversity at such a young age is inappropriate, unnecessary, harmful and inconsistent with WHO's approach in regard to other aspects of development in childhood and youth. Counter proposals have been offered that do not pathologise gender diversity and instead make use of Z codes to frame and document any contacts that young gender diverse children may have with health services. The author draws on his involvement in the ICD revision process, both as a member of the aforementioned WHO Working Group and as one of its critics, to put the case against the GIC proposal, and to recommend an alternative approach for ICD in addressing the needs of gender diverse children. PMID- 29216969 TI - Legal issues for transgender people: a review of persistent threats. AB - Background The legal status of transgender (trans) people is in constant flux. Over the past 70 years, gradually increasing transgender visibility, national and global advocacy, and, more recently, widespread Internet access, communication, and broadening support from allies, have all contributed to successful campaigns that have improved transgender lives and legitimised transgender. Still, traumatic interactions with the legal system or policing agencies remain plentiful. This is a very general overview of the most common legal issues confronting trans people. It aims to inform medical and mental health providers about the trepidation with which their patients and clients must engage legal systems, and the scope of their concerns, which ultimately affect their health. This review relies upon reports generated by advocacy organisations based on population surveys in several countries, the projects undertaken by legal and human rights advocacy groups, the topics most frequently discussed in academic texts examining transgender legal issues, and draws upon the author's personal advocacy experience. The most complicated and persistent issues are identity recognition, family law and relationship issues, adverse discrimination and anti transgender violence and its aftermath. Criminal law, almost universally, treats trans people according to the lowest common denominator, their genital status, which supposedly supports expediency and "safety". Global legal and human rights efforts remain desperately needed to lift transgender people from the margins of society and provide them with equal opportunities to lead healthy and fulfilling lives. Access to appropriate and meaningful health care is a crucial element necessary to affirm the humanity of any person. PMID- 29216970 TI - Current research gaps: a global systematic review of HIV and sexually transmissible infections among transgender populations. AB - Transgender populations are heavily burdened by HIV and other sexually transmissible infections (STIs). However, data on co-infection with HIV and STIs among transgender people are limited. A systematic review was conducted of peer reviewed articles and conference abstracts between January 2010 and November 2015 that focussed on HIV and STI infections among transgender populations globally. The literature was synthesised and opportunities for improving health research were commented on. Few studies reported HIV-STI co-infection (n=4), while the majority of studies reported HIV and STI infections separately (n=23). Most studies were conducted outside of the USA (n=19), and all but one of these studies reported data on transgender women only. Among USA-based studies (n=8), several reported data on both transgender men and transgender women (n=3), whereas other studies reported exclusively on transgender men (n=1) or transgender women (n=4). Understanding HIV and STIs among transgender people requires research that simultaneously considers multilevel drivers of vulnerabilities. More data are needed on how the interaction of individual determinants, including biological risks of transmission, programmatic determinants such as service-delivery models and policy-level determinants including institutionalised stigma in healthcare settings, influence the HIV- and STI-related outcomes of transgender populations. Leveraging the knowledge of transgender-specific determinants of HIV and STIs should guide the content and approaches to future HIV and STI prevention and treatment efforts. PMID- 29216971 TI - Evaluation of the ability of arsenic species to traverse cell membranes by simple diffusion using octanol-water and liposome-water partition coefficients. AB - Arsenic metabolism in living organisms is dependent on the ability of different arsenic species to traverse biological membranes. Simple diffusion provides an alternative influx and efflux route to mediated transport mechanisms that can increase the amount of arsenic available for metabolism in cells. Using octanol water and liposome-water partition coefficients, the ability of arsenous acid, arsenate, methylarsonate, dimethylarsinate, thio-methylarsonate, thio dimethylarsinic acid, arsenotriglutathione and monomethylarsonic diglutathione to diffuse through the lipid bilayer of cell membranes was investigated. Molecular modelling of arsenic species was used to explain the results. All arsenic species with the exception of arsenate, methylarsonate and thio-methylarsonate were able to diffuse through the lipid bilayer of liposomes, with liposome-water partition coefficients between 0.04 and 0.13. Trivalent arsenic species and thio pentavalent arsenic species showed higher partition coefficients, suggesting that they can easily traverse cell membranes by passive simple diffusion. Given the higher toxicity of these species compared to oxo-pentavalent arsenic species, this study provides evidence supporting the risk associated with human exposure to trivalent and thio-arsenic species. PMID- 29216972 TI - Predatory publishing is everyone's concern. PMID- 29216973 TI - May you live in interesting times! PMID- 29216974 TI - Position statement: Full practice authority for advanced practice registered nurses is necessary to transform primary care. PMID- 29216975 TI - Position statement: Reducing fatigue associated with sleep deficiency and work hours in nurses. PMID- 29216976 TI - IVUS-Guided Versus OCT-Guided Coronary Stent Implantation: A Critical Appraisal. AB - Procedural guidance with intravascular ultrasound (IVUS) imaging improves the clinical outcomes of patients undergoing percutaneous coronary intervention (PCI) by: 1) informing the necessity for lesion preparation; 2) directing appropriate stent sizing to maximize the final stent area and minimize geographic miss; 3) selecting the optimal stent length to cover residual disease adjacent to the lesion, thus minimizing geographic miss; 4) guiding optimal stent expansion; 5) identifying acute complications (edge dissection, stent malapposition, tissue protrusion); and 6) clarifying the mechanism of late stent failure (stent thrombosis, neointimal hyperplasia, stent underexpansion or fracture, or neoatherosclerosis). Optical coherence tomography (OCT) provides similar information to IVUS (with some important differences), also potentially improving acute and long-term patient outcomes compared to angiography-guided PCI. The purpose of this review is to describe the similarities and differences between IVUS and OCT technologies, and to highlight the evidence supporting their utility to improve PCI outcomes. PMID- 29216977 TI - Noninvasive Cardiac Imaging and the Prediction of Heart Failure Progression in Preclinical Stage A/B Subjects. AB - Heart failure (HF) continues to grow as a cause of morbidity and mortality in our community and presents a significant public health problem, predominantly in individuals >=65 years of age. Early intervention in asymptomatic HF subjects (Stage A/B) at risk of progression to symptomatic HF (Stage C/D) may provide an opportunity to halt this epidemic. The ability of cardiac imaging to assess cardiac structure and function permits early identification of those at increased risk of developing symptomatic HF. Systolic, diastolic, and structural left ventricular parameters each predict symptomatic HF, but no single parameter has sufficient sensitivity for screening to identify individuals with Stage A/B HF who are at increased risk of disease progression. Transthoracic echocardiography (TTE) has the advantage over other imaging modalities in being able to measure systolic, diastolic, and structural left ventricular parameters, and it identified at least 1 abnormal parameter in >50% of individuals with Stage A/B HF >=65 years of age. Moreover, identification of at least 1 abnormality according to TTE in individuals with Stage A/B HF >=65 years of age had 72% to 82% sensitivity for detection of those who subsequently developed symptomatic HF. Therefore, a case can be made for cardiac imaging by using TTE for community dwelling populations with Stage A/B HF >=65 years of age to identify those with increased risk of symptomatic HF who can be offered preventative therapies. Further studies are required to determine the best strategy for identifying the risk of symptomatic HF in younger individuals. PMID- 29216978 TI - Female Athlete's Heart: Appropriate Scaling to Body Size May Resolve Diagnostic Conundrums. PMID- 29216979 TI - The Authors Reply. PMID- 29216980 TI - The Challenges of Diagnosing Cardiac Sarcoidosis. PMID- 29216981 TI - Correction. PMID- 29216982 TI - Is a DASH of Salt All We Need? PMID- 29216984 TI - Atrial Myocardial Infarction: A Neglected Stalker in Coronary Patients. PMID- 29216983 TI - Atrial Infarction and Ischemic Mitral Regurgitation Contribute to Post-MI Remodeling of the Left Atrium. AB - BACKGROUND: Left atrial (LA) remodeling after an acute myocardial infarction (MI) is poorly characterized regarding its determinants or its effect on ischemic mitral regurgitation (MR) development. OBJECTIVES: The purpose of this study was: 1) to compare LA structural remodeling in experimental MI swine models recapitulating the effects of left ventricular (LV) dysfunction, ischemic MR, and left atrial infarction (LAI); and 2) to analyze how LA remodeling influences ischemic MR development. METHODS: Three models of MI were generated: 1) proximal left circumflex (LCx) coronary artery occlusion involving the LA branch (LAI group); 2) proximal LCx occlusion not involving the LA branch (LCx group); and 3) left anterior descending (LAD) occlusion (LAD group). Serial cardiac magnetic resonance scans were performed to define LA and LV remodeling and ischemic MR, and were correlated with histology. RESULTS: Occlusion of the LA branch (LAI group) induced a greater degree of LA dilation at 1 and 8 weeks post-MI than the LCx and LAD groups, along with early and severe impairment of LA function. In the LCx and LAD groups, LA dysfunction was less pronounced and not consistent. Development of ischemic MR was more pronounced in the LAI group than in the LCx group. Histology confirmed atrial infarction with extensive fibrosis in the LAI group and interstitial fibrosis in the LCx group. In the LAD group, LA remodeling was not observed by cardiac magnetic resonance or histology. CONCLUSIONS: We provide the first experimental evidence of the deleterious effect of acute LAI on atrial structural remodeling, characterized by early LA dilation, dysfunction, and fibrosis, and early occurrence of ischemic MR. PMID- 29216986 TI - Upstream Targets to Treat Atrial Fibrillation. PMID- 29216985 TI - Eplerenone Reduces Atrial Fibrillation Burden Without Preventing Atrial Electrical Remodeling. AB - BACKGROUND: The aldosterone inhibitor eplerenone (EPL) has been shown to reduce the incidence of atrial fibrillation (AF) in patients with systolic heart failure, but the mechanism is unknown. OBJECTIVES: This study hypothesized that by reducing atrial dilation and fibrosis in the absence of heart failure, EPL also reduces AF burden and prevents AF perpetuation. METHODS: The authors conducted a randomized controlled study in 34 sheep that were atrially tachypaced (13 +/- 1 week). They compared daily oral EPL (n = 19) versus sugar pill (SP) treatment (n = 15) from the start of tachypacing. The endpoint was a continuous 7 day stretch of persistent AF (n = 29) or completion of 23 weeks tachypacing (n = 5). RESULTS: EPL significantly reduced the rate of left atrial dilation increase during AF progression. Atria from EPL-treated sheep had less smooth muscle actin protein, collagen-III expression, interstitial atrial fibrosis, and cell hypertrophy than SP-treated sheep atria did. However, EPL did not modify the AF induced increase in the rate of dominant frequency and ion channel densities seen under SP treatment, but rather prolonged the time to persistent AF in 26% of animals. It also reduced the degree of fibrillatory conduction, AF inducibility, and AF burden. CONCLUSIONS: In the sheep model, EPL mitigates fibrosis and atrial dilation, modifies AF inducibility and AF complexity, and prolongs the transition to persistent AF in 26% of animals, but it does not prevent AF-induced electrical remodeling or AF persistence. The results highlight structural remodeling as a central upstream target to reduce AF burden, and the need to prevent electrical remodeling to avert AF perpetuation. PMID- 29216987 TI - Catheter Ablation of Ventricular Tachycardia in Structurally Normal Hearts: Indications, Strategies, and Outcomes-Part I. AB - Catheter ablation of ventricular tachycardia (VT) is being increasingly performed; yet, there is often confusion regarding indications, outcomes, and how to identify those patient populations most likely to benefit. The management strategy differs between those with structural heart disease and those without. For the former, an implantable cardioverter-defibrillator (ICD) is typically required due to an elevated risk for sudden cardiac death, and catheter ablation can be used as adjunctive therapy to treat or prevent repetitive ICD therapies. In contrast, VT or premature ventricular contractions in the setting of a structurally normal heart carries a low risk for sudden cardiac death; accordingly, there is typically no indication for an ICD. In these patients, catheter ablation is considered for symptom management or to treat tachycardiomyopathy and is potentially curative. Here, the authors discuss the pathophysiology, mechanism, and management of VT that occurs in the setting of a structurally normal heart and the role of catheter ablation. PMID- 29216988 TI - Catheter Ablation of Ventricular Tachycardia in Structural Heart Disease: Indications, Strategies, and Outcomes-Part II. AB - In contrast to ventricular tachycardia (VT) that occurs in the setting of a structurally normal heart, VT that occurs in patients with structural heart disease carries an elevated risk for sudden cardiac death (SCD), and implantable cardioverter-defibrillators (ICDs) are the mainstay of therapy. In these individuals, catheter ablation may be used as adjunctive therapy to treat or prevent repetitive ICD therapies when antiarrhythmic drugs are ineffective or not desired. However, certain patients with frequent premature ventricular contractions (PVCs) or VT and tachycardiomyopathy should be considered for ablation before ICD implantation because left ventricular function may improve, consequently decreasing the risk of SCD and obviating the need for an ICD. The goal of this paper is to review the pathophysiology, mechanism, and management of VT in the setting of structural heart disease and discuss the evolving role of catheter ablation in decreasing ventricular arrhythmia recurrence. PMID- 29216989 TI - Earning Trust Through Empathy as a Young Interventionalist: "Is This Your First Time Doing This?" PMID- 29216990 TI - Immunological Serum Protein Profiles for Noninvasive Detection of Acute Cellular Rejection After Heart Transplantation. PMID- 29216991 TI - Cardiac betaarrestin2 Improves Contractility and Adverse Remodeling in Heart Failure, But Is Underexpressed in Humans. PMID- 29216992 TI - Atrial Fibrillation: The Next Epidemic for Patients With Congenital Heart Disease. PMID- 29216993 TI - Reply: Atrial Fibrillation: The Next Epidemic for Patients With Congenital Heart Disease. PMID- 29216994 TI - Will Physicians Benefit From Appropriate Use Criteria-Based Education and Feedback Intervention? PMID- 29216995 TI - Reply: Will Physicians Benefit From Appropriate Use Criteria-Based Education and Feedback Intervention? PMID- 29216996 TI - Editorial: Tutorials in Bioinformatics for Biological Science. PMID- 29216998 TI - Bioresorbable Scaffolds: A Complex Journey to the "Promised Land". PMID- 29216997 TI - The State of the Absorb Bioresorbable Scaffold: Consensus From an Expert Panel. AB - Significant progress has been made in the percutaneous coronary intervention technique from the days of balloon angioplasty to modern-day metallic drug eluting stents (DES). Although metallic stents solve a temporary problem of acute recoil following balloon angioplasty, they leave behind a permanent problem implicated in very late events (in addition to neoatherosclerosis). BRS were developed as a potential solution to this permanent problem, but the promise of these devices has been tempered by clinical trials showing increased risk of safety outcomes, both early and late. This is not too dissimilar to the challenges seen with first-generation DES in which refinement of deployment technique, prolongation of dual antiplatelet therapy, and technical iteration mitigated excess risk of very late stent thrombosis, making DES the treatment of choice for coronary artery disease. This white paper discusses the factors potentially implicated in the excess risks, including the scaffold consideration and deployment technique, and outlines patient and lesion selection, implantation technique, and dual antiplatelet therapy considerations to potentially mitigate this excess risk with the first-generation thick strut Absorb scaffold (Abbott Vascular, Abbott Park, Illinois). It remains to be seen whether these considerations together with technical iterations will ultimately close the gap between scaffolds and metal stents for short-term events while at the same time preserving options for future revascularization once the scaffold bioresorbs. PMID- 29216999 TI - Characteristics, Predictors, and Mechanisms of Thrombosis in Coronary Bioresorbable Scaffolds: Differences Between Early and Late Events. AB - OBJECTIVES: The study sought to investigate the incidence, characteristics, predictors, and possible mechanisms of early and 3-year coronary scaffold thrombosis (ScT). BACKGROUND: An increased incidence of both early and late ScT has been shown in randomized trials. METHODS: Consecutive patients were enrolled in a single-center registry. Quantitative coronary angiography was performed. Incidence and predictors of ScT were assessed with Kaplan-Meier and Cox regression analyses. RESULTS: A total of 657 patients (63 +/- 12 years of age, 79% men, 21% diabetic, 64% acute coronary syndrome) who received 925 coronary bioresorbable scaffolds (BRS) (Abbott Vascular, Santa Clara, California) between May 2012 and January 2015 were enrolled. Clinical and procedural characteristics and outcome data at 1,076 (interquartile range: 762 to 1,206) days (3-year follow up rate 93%) were collected. Twenty-eight ScTs were recorded: 14 early (Kaplan Meier estimate: 2.2%), 5 late (Kaplan-Meier estimate: 0.9%), and 9 very late (Kaplan-Meier estimate: 1.7%). The incidence of ScT followed a U-shaped curve with highest incidence at the extremes of the distributions of reference vessel diameter (RVD) and the ratio of BRS nominal diameter to RVD. At quantitative coronary angiography, RVD (hazard ratio [HR]: 0.14; 95% confidence interval [CI]: 0.04 to 0.49) and BRS oversizing (ratio of BRS nominal diameter to RVD >1.15; HR: 107.40; 95% CI: 9.20 to 1,261.30) emerged as potent predictors of early ScT. RVD (HR: 9.55; 95% CI: 3.90 to 23.42) and BRS undersizing (ratio of BRS nominal diameter to RVD <0.85; HR: 0.0004; 95% CI: 0.0000 to 0.0400) predicted late or very late ScT (all p < 0.0001). The incidence of both early and late or very late ScT were lower (~80% reduction) when an optimal implantation technique was used. The most important factor appeared to be vessel and BRS sizing. CONCLUSIONS: Different mechanisms underlie early and late ScT: although incomplete BRS deployment was a predictor of the former, the latter was associated with large vessel size and BRS undersizing. However, both phenomena are significantly less frequent with an optimized implantation technique. (Mainz Intracoronary Database. The Coronary Slow-flow and Microvascular Diseases Registry [MICAT]; NCT02180178). PMID- 29217000 TI - Early and Late Bioresorbable Vascular Scaffold Thrombosis: Size Matters. PMID- 29217003 TI - Left Main Disease: At the Intersection of Surgery and Stents. PMID- 29217001 TI - Long-Term Safety and Efficacy of Platinum Chromium Everolimus-Eluting Stents in Coronary Artery Disease: 5-Year Results From the PLATINUM Trial. AB - OBJECTIVES: The authors sought to evaluate the final 5-year safety and effectiveness of the platinum-chromium everolimus-eluting stent (PtCr-EES) in the randomized trial, as well as in 2 single-arm substudies that evaluated PtCr-EES in small vessels (diameter <2.5 mm; n = 94) and long lesions (24 to 34 mm; n = 102). BACKGROUND: In the multicenter, randomized PLATINUM (PLATINUM Clinical Trial to Assess the PROMUS Element Stent System for Treatment of De Novo Coronary Artery Lesions), the PtCr-EES was noninferior to the cobalt-chromium everolimus eluting stent (CoCr-EES) at 1 year in 1,530 patients undergoing percutaneous coronary intervention. METHODS: Patients with 1 or 2 de novo coronary artery lesions (reference vessel diameter 2.50 to 4.25 mm, length <=24 mm) were randomized 1:1 to PtCr-EES versus CoCr-EES. All patients in the substudies received PtCr-EES. The primary endpoint was target lesion failure (TLF), a composite of target vessel-related cardiac death, target vessel-related myocardial infarction, or ischemia-driven target lesion revascularization. RESULTS: In the randomized trial, the 5-year TLF rate was 9.1% for PtCr-EES and 9.3% for CoCr-EES (hazard ratio [HR]: 0.97; p = 0.87). Landmark analysis demonstrated similar TLF rates from discharge to 1 year (HR: 1.12; p = 0.70) and from 1 to 5 years (HR: 0.90; p = 0.63). There were no significant differences in the rates of cardiac death, myocardial infarction, target lesion or vessel revascularization, or stent thrombosis. PtCr-EES had 5-year TLF rates of 7.0% in small vessels and 13.6% in long lesions. CONCLUSIONS: PtCr-EES demonstrated comparable safety and effectiveness to CoCr-EES through 5 years of follow-up, with low rates of stent thrombosis and other adverse events. The 5-year event rates were also acceptable in patients with small vessels and long lesions treated with PtCr-EES. (The PLATINUM Clinical Trial to Assess the PROMUS Element Stent System for Treatment of De Novo Coronary Artery Lesions [PLATINUM]; NCT00823212; The PLATINUM Clinical Trial to Assess the PROMUS Element Stent System for Treatment of De Novo Coronary Artery Lesions in Small Vessels [PLATINUM SV]; NCT01498692; The PLATINUM Clinical Trial to Assess the PROMUS Element Stent System for Treatment of Long De Novo Coronary Artery Lesions [PLATINUM LL]; NCT01500434). PMID- 29217002 TI - The DELTA 2 Registry: A Multicenter Registry Evaluating Percutaneous Coronary Intervention With New-Generation Drug-Eluting Stents in Patients With Obstructive Left Main Coronary Artery Disease. AB - OBJECTIVES: The aim of this study was to evaluate clinical outcomes of unprotected left main coronary artery percutaneous coronary intervention (PCI) with new-generation drug-eluting stents in a "real world" population. BACKGROUND: PCI of the unprotected left main coronary artery is currently recommended as an alternative to coronary artery bypass grafting (CABG) in selected patients. METHODS: All consecutive patients with unprotected left main coronary artery stenosis treated by PCI with second-generation drug-eluting stents were analyzed in this international, all-comers, multicenter registry. The results were compared with those from the historical DELTA 1 (Drug Eluting Stent for Left Main Coronary Artery) CABG cohort using propensity score stratification. The primary endpoint was the composite of death, myocardial infarction (MI), or stroke at the median time of follow-up. RESULTS: A total of 3,986 patients were included. The mean age was 69.6 +/- 10.9 years, diabetes was present in 30.8%, and 21% of the patients presented with acute MI. The distal left main coronary artery was involved in 84.6% of the lesions. At a median of 501 days (~17 months) of follow up, the occurrence of the primary endpoint of death, MI, or cerebrovascular accident was lower in the PCI DELTA 2 group compared with the historical DELTA 1 CABG cohort (10.3% vs. 11.6%; adjusted hazard ratio: 0.73; 95% confidence interval: 0.55 to 0.98; p = 0.03). Of note, an advantage of PCI was observed with respect to cerebrovascular accident (0.8% vs. 2.0%; adjusted hazard ratio: 0.37; 95% confidence interval: 0.16 to 0.86; p = 0.02), while an advantage of CABG was observed with respect to target vessel revascularization (14.2% vs. 2.9%; adjusted hazard ratio: 3.32; 95% confidence interval: 2.12 to 5.18; p < 0.0001). CONCLUSIONS: After a median follow-up period of 17 months, PCI with new generation drug-eluting stents was associated with an overall low rate of the composite endpoint of death, MI, or cerebrovascular accident. PMID- 29217005 TI - Transapical Approach: Learn From the Past, Move Toward the Future. PMID- 29217004 TI - Transapical Transcatheter Aortic Valve Replacement Is Associated With Increased Cardiac Mortality in Patients With Left Ventricular Dysfunction: Insights From the PARTNER I Trial. AB - OBJECTIVES: The authors sought to evaluate the impact of transapical (TA) transcatheter aortic valve replacement (TAVR) on mortality, left ventricular (LV) ejection fraction (LVEF) improvement, and functional recovery in patients with LV dysfunction. BACKGROUND: LV injury inherent to TA access for structural heart disease interventions may be particularly detrimental to the LV, functional recovery, and survival in patients with LV dysfunction. METHODS: The study included patients enrolled within the PARTNER I (Placement of Aortic Transcatheter Valves) trial that underwent transfemoral (TF) or TA TAVR. Analyses of clinical outcomes were stratified by the presence of baseline LV dysfunction (LVEF<50%) and adjusted for the propensity of receiving TA TAVR. RESULTS: Of 2,084 subjects, 1,057 underwent TA TAVR. TA access was associated with increased 2-year all-cause mortality in those with (adjusted hazard ratio [HRadjusted]: 1.52; 95% confidence interval [CI]: 1.12 to 2.07; p = 0.008) and without (HRadjusted: 1.38; 95% CI: 1.10 to 1.74; p = 0.006) LV dysfunction. TA TAVR portended increased 2-year cardiac mortality in subjects with LVEF<50% (HRadjusted: 1.92; 95% CI: 1.21 to 3.05; p = 0.006), but not with LVEF>=50% (HRadjusted: 1.29; 95% CI: 0.87 to 1.90; p = 0.21). In those with LVEF<50%, greater improvements in LVEF (TF-TA difference +4.04%, 95% CI: 2.39% to 5.69%; p < 0.0001) and 6-min walk distance (TF-TA difference +45.1 m, 95% CI: 18.4 to 71.9 m; p = 0.001) occurred within 30 days after TF versus TA TAVR. CONCLUSIONS: Compared with TF TAVR, TA TAVR is associated with a disproportionate risk of cardiac mortality in patients with LV dysfunction and with delayed and less robust improvement in LV function and overall functional status. Caution is warranted when considering TA access for structural heart disease interventions, particularly in patients with LV dysfunction. (Placement of Aortic Transcatheter Valves [PARTNER]; NCT00530894). PMID- 29217007 TI - The Transcatheter Aortic Valve Replacement Bounce-Back: Does it Matter? What Can Be Done? PMID- 29217006 TI - Incidence, Prognostic Impact, and Predictive Factors of Readmission for Heart Failure After Transcatheter Aortic Valve Replacement. AB - OBJECTIVES: The aim of this study was to assess the incidence, prognostic impact, and predictive factors of readmission for congestive heart failure (CHF) in patients with severe aortic stenosis treated by transcatheter aortic valve replacement (TAVR). BACKGROUND: TAVR is indicated in patients with severe symptomatic aortic stenosis in whom surgery is considered high risk or is contraindicated. Readmission for CHF after TAVR remains a challenge, and data on prognostic and predictive factors are lacking. METHODS: All patients who underwent TAVR from January 2010 to December 2014 were included. Follow-up was achieved for at least 1 year and included clinical and echocardiographic data. Readmission for CHF was analyzed retrospectively. RESULTS: This study included 546 patients, 534 (97.8%) of whom were implanted with balloon-expandable valves preferentially via the transfemoral approach in 87.8% of cases. After 1 year, 285 patients (52.2%) had been readmitted at least once, 132 (24.1%) for CHF. Patients readmitted for CHF had an increased risk for death (p < 0.0001) and cardiac death (p < 0.0001) compared with those not readmitted for CHF. On multivariate analysis, aortic mean gradient (hazard ratio [HR]: 0.88; 95% confidence interval [CI]: 0.79 to 0.99; p = 0.03), post-procedural blood transfusion (HR: 2.27; 95% CI: 1.13 to 5.56; p = 0.009), severe post-procedural pulmonary hypertension (HR: 1.04; 95% CI: 1.00 to 1.07; p < 0.0001), and left atrial diameter (HR: 1.47; 95% CI: 1.08 to 2.01; p = 0.02) were independently associated with CHF readmission at 1 year. CONCLUSIONS: Readmission for CHF after TAVR was frequent and was strongly associated with 1-year mortality. Low gradient, persistent pulmonary hypertension, left atrial dilatation, and transfusions were predictive of readmission for CHF. PMID- 29217009 TI - Endovascular-First Approach for Chronic Mesenteric Ischemia: The Critical Need for Reporting Standards and High-Grade Evidence. PMID- 29217008 TI - Endovascular Versus Surgical Revascularization for Chronic Mesenteric Ischemia: Insights From the National Inpatient Sample Database. AB - OBJECTIVES: This study sought to compare in-hospital major adverse cardiac and cerebrovascular events (MACCE) following endovascular therapy with open surgery for chronic mesenteric ischemia (CMI). BACKGROUND: There are limited contemporary data on in-hospital cardiovascular outcomes among patients with CMI undergoing revascularization via endovascular therapy versus open surgery in the United States. METHODS: Patients with CMI undergoing endovascular or surgical (mesenteric bypass or endarterectomy) revascularization between 2007 and 2014 were identified from the National Inpatient Sample. Weighted national estimates were obtained. Primary and secondary endpoints were MACCE (death, myocardial infarction, stroke, cardiac post-operative complications) and composite in hospital complications (MACCE + post-operative peripheral vascular complications, gastrointestinal hemorrhage, major bleeding, and bowel resection), respectively. Propensity score matching was used to obtain a balanced cohort of 880 unweighted patients in each group. RESULTS: Of 4,150 patients with CMI, 3,206 (77.2%) underwent endovascular therapy and 944 (22.8%) underwent surgery (weighted national estimates of 15,850 and 4,687, respectively). In the propensity-matched cohort, MACCE and composite in-hospital complications occurred significantly less often after endovascular therapy than surgery (8.6% vs. 15.9%; p < 0.001; and 15.3% vs. 20.3%; p < 0.006). Endovascular therapy was also associated with lower median hospital costs ($20,807.00 [interquartile range: $13,640.20 to $32.754.50] vs. $31,137.00 [interquartile range: $21,680.40 to $52,152.20]; p < 0.001, respectively) and shorter length of stay (5 [interquartile range: 2 to 10] vs. 10 [interquartile range: 7 to 17] days, respectively; p < 0.001) compared with open surgery. CONCLUSIONS: In a large, retrospective analysis of patients with CMI, endovascular therapy remained the dominant revascularization modality, and was associated with lower rates of MACCE, composite in-hospital complications, lower costs, and shorter length of stay compared with surgery. PMID- 29217010 TI - Parasympathetic Stimulation in Acute Myocardial Infarction: Is There a Role for a Pharmacologic Alternative Beyond Vagal Electrical Stimulation? PMID- 29217011 TI - Reply: Parasympathetic Stimulation in Acute Myocardial Infarction: Is There a Role for a Pharmacologic Alternative Beyond Vagal Electrical Stimulation? PMID- 29217012 TI - Cangrelor or Abciximab as First Choice in Cardiogenic Shock. PMID- 29217013 TI - Reply: Cangrelor or Abciximab as First Choice in Cardiogenic Shock. PMID- 29217014 TI - Early Risk Stratification in Patients With Cardiogenic Shock Complicating Acute Myocardial Infarction Treated With Extracorporeal Life Support and Primary Percutaneous Coronary Intervention. PMID- 29217015 TI - Intrastent Hematoma After Pre-Dilatation for 17-Month Restenosis of Polytetrafluoroethylene-Covered Stent: Insights From Intravascular Imaging. PMID- 29217017 TI - Innovation in Ophthalmology. PMID- 29217016 TI - Treatment of End-Stage Heart Failure by Transcatheter Closure of Arteria Iliaca Communis-Venae Cava Inferior Fistula Caused by Traumatism. PMID- 29217018 TI - L'innovation en ophtalmologie. PMID- 29217019 TI - Effect of music on surgical skill during simulated intraocular surgery. AB - OBJECTIVE: To evaluate the effect of Mozart music compared to silence on anterior segment surgical skill in the context of simulated intraocular surgery. DESIGN: Prospective stratified and randomized noninferiority trial. PARTICIPANTS: Fourteen ophthalmologists and 12 residents in ophthalmology. METHODS: All participants were asked to perform 4 sets of predetermined tasks on the EyeSI surgical simulator (VRmagic, Mannheim, Germany). The participants completed 1 Capsulorhexis task and 1 Anti-Tremor task during 3 separate visits. The first 2 sets determined the basic level on day 1. Then, the participants were stratified by surgical experience and randomized to be exposed to music (Mozart sonata for 2 pianos in D-K448) during either the third or the fourth set of tasks (day 2 or 3). Surgical skill was evaluated using the parameters recorded by the simulator such as "Total score" and "Time" for both tasks and task-specific parameters such as "Out of tolerance percentage" for the Anti-Tremor task and "Deviation of rhexis radius from 2.5 mm," "Roundness," and "Centering" for the Capsulorhexis task. The data were analyzed using the Wilcoxon signed-rank test. RESULTS: No statistically significant differences were noted between exposure and nonexposure for all the Anti-Tremor task parameters as well as most parameters for the Capsulorhexis task. Two parameters for the Capsulorhexis task showed a strong trend for improvement with exposure to music ("Total score" +23.3%, p = 0.025; "Roundness" +33.0%, p = 0.037). CONCLUSION: Exposure to music did not negatively impact surgical skills. Moreover, a trend for improvement was shown while listening to Mozart music. PMID- 29217020 TI - Cataract surgery outcomes and complications in retinal dystrophy patients. AB - OBJECTIVE: To investigate intraoperative complications, postoperative findings, and visual acuity outcomes in patients with retinal dystrophy after cataract surgery. DESIGN: Retrospective chart review at an academic tertiary referral centre. PARTICIPANTS: Thirty eyes from 18 patients with retinitis pigmentosa and other retinal dystrophies (Usher syndrome, Refsum disease, and Leber congenital amaurosis) who underwent cataract surgery were identified by searching the electronic medical record system from January 2010 to September 2015 for all patients treated by a single physician with billing codes for retinal dystrophy and cataract surgery. METHODS: Cases were reviewed to determine indication for surgery, intraoperative complications, postoperative findings, preoperative visual acuity, 1-month postoperative visual acuity, and patient subjective satisfaction. RESULTS: Mean best-corrected visual acuity significantly improved after cataract surgery, from 1.09 +/- 0.69 preoperatively to 0.614 +/- 0.448 at 1 month postoperatively, on logMAR scale (p = 0, Wilcoxon test). The most common postoperative finding was posterior capsule opacification in 20 eyes (66.7%). Visually significant cystoid macular edema occurred in 4 eyes (13.3%) despite the postoperative eye drop regimen. Patient satisfaction at 1 month postoperatively was noted as 93.3% (28 eyes) and attributed mostly to improved central vision and reduced glare symptoms. CONCLUSIONS: Patients with visually significant cataract in association with retinal dystrophy have significantly improved best-corrected visual acuity after cataract surgery and report subjectively improved visual functioning. This study confirms that several risks factors are greater in patients with retinal dystrophy, including zonular weakness, posterior capsular opacification, and cystoid macular edema, compared with the general cataract population. PMID- 29217021 TI - Practice patterns in the interdisciplinary management of corneal abrasions. AB - OBJECTIVE: To characterize the treatment and follow-up patterns of corneal abrasions at an academic health centre. METHODS: This is a retrospective review of 90 cases of corneal abrasions over a 2-year period at a tertiary care academic hospital, of which 75 were seen by the ophthalmology department. All consultations primarily for corneal abrasion, as determined by the emergency department physician, were included in the study. Information on treatment regimen, corneal findings by emergency and ophthalmology physicians, time between follow-ups, and final outcomes was collected. RESULTS: Seventy-five patients were seen by ophthalmology a median of 1 day after the emergency room visit. Twenty five of these patients did not arrive for their subsequent follow-up appointment. Twenty-two of the abrasions were healed by the time of the ophthalmology examination, 51 patients had unhealed corneal abrasions, and 2 had corneal ulcers. Management was changed in 29 of the patients by ophthalmology. The most common management changes were hypertonic saline ointment for prophylaxis or treatment of recurrent erosion syndrome, followed by bandage contact lenses for comfort. CONCLUSIONS: Corneal abrasions are a common condition, and practice patterns for follow-up vary widely. Although the vast majority of patients do very well and likely would heal on their own without ophthalmology referral, it seems reasonable that patients with corneal abrasions are assessed once by an ophthalmologist immediately or possibly up to 1-2 days after the initial emergency visit, depending on the individual patient circumstances. PMID- 29217022 TI - Focal limbal stem cell deficiency associated with soft contact lens wear. AB - OBJECTIVE: The aim of this study is to summarize the clinical characteristics of patients with contact lens-associated focal limbal stem cell deficiency (FLSCD) from a tertiary corneal referral centre. DESIGN: Retrospective, observational case series in a tertiary care centre. METHODS: Patients with contact lens associated FLCSD were identified in our database. Clinical data were retrieved by chart review. A questionnaire asking for contact lens brand, type, cleaning solution, and duration of contact lens wear was sent to the patients with telephone follow-up. Clinical features and recovery time were identified. RESULTS: Twenty-seven eyes of 17 patients were identified with superior corneal whorl-like patches of opaque epithelium, sometimes accompanied by neovascularization. Of the patients, 17/17 used soft contact lenses, with a mean wearing duration of 11.4 hours per day. Patients had been wearing lenses for an average of 18.1 years. Silicone hydrogel lenses were noted in 12/17 cases. LSCD was superior in all 27 eyes, and all of them improved with contact lens wear cessation, preservative-free topical steroids, and preservative-free artificial tears. Visual acuity improved from 20/28 to 20/22 (p < 0.001). CONCLUSIONS: Contact lens-associated FLSCD typically presents in the superior cornea with whorl-like epithelial opacities advancing from the limbus. Conservative medical treatment is available and shows a high success rate after a slow recovery. PMID- 29217023 TI - Visual impairment as an independent risk factor for falls in hospitalized patients. AB - OBJECTIVE: To investigate the association between visual impairment and the risk of falls in hospitalized patients. DESIGN: Individually matched case-control study. METHODS: The medical records of patients who fell while hospitalized at Juntendo Tokyo Koto Geriatric Medical Center (JTKGMC) from January to December 2014 were reviewed retrospectively. Among them, 36 patients who were recorded as visiting the Ophthalmology Outpatient Clinic from 1 year before to 1 year after the fall were included as cases. As the control subjects, 36 individually matched patients were chosen who were hospitalized in the same beds in the same hospital wards. Visual impairment and blindness were defined according to U.S. criteria. Conditional logistic regression analysis was used for both univariate and multivariate analyses. Based on previous reports, multivariate analysis was performed with adjustment for age, sex, a history of falls, and use of walking aids. This study was approved by the institutional review board of JTKGMC and was performed according to the tenets of the Declaration of Helsinki. RESULTS: The crude odds ratio (OR) for visual impairment was 6.0 (95% confidence interval [CI]: 0.72-49.83). For a history of falls and use of walking aids, the crude OR (95% CI) was 2.5 (0.97-6.44) and 2.8 (0.88-8.64), respectively. After adjustment for age, sex, a history of falls, and use of walking aids, the association between falls and visual impairment was significant (OR: 13.9; 95% CI: 1.0004 194.41). CONCLUSION: These findings suggest that visual impairment could be an independent risk factor for falls among hospitalized patients. PMID- 29217024 TI - Improving patient identification in an ophthalmology clinic using name alerts. AB - OBJECTIVE: To develop a standardized process for reviewing daily patient lists and identifying potential risks of misidentification. Our goal was to develop a proactive approach to identify and eliminate risks of patient misidentification. METHODS: Assessment of current patient identification practices took place over a period of 4 weeks. Using a process map, a patient survey was developed to determine the encounter points when patient identification was confirmed. This information was used to develop a standardized protocol for review of daily appointment lists. RESULTS: Review of daily appointment lists was completed to identify potential similar/same name risks. A standardized manual process of chart review, flagging, and tracking was developed. CONCLUSIONS: The name alert process resulted in a simple manual process for identifying which patients have a higher name risk and allowed care providers to take preventative action to decrease potential risk of incorrect diagnostic testing, procedure, or medication administration. PMID- 29217025 TI - Correlation of novel PAX6 gene abnormalities in aniridia and clinical presentation. AB - OBJECTIVE: To describe the clinical presentation and genotype of subjects with aniridia with a particular focus on foveal hypoplasia. DESIGN: Prospective cohort study. PARTICIPANTS: Thirty-three Canadian participants with aniridia and of various ethnic backgrounds residing in British Columbia. METHODS: Full ophthalmic examinations and posterior segment spectral domain-optical coherence tomography (SD-OCT) imaging were performed. Foveal hypoplasia was graded independently by 2 staff ophthalmologists. PAX6 sequencing was performed and chromosomal 11p anomalies investigated. Candidate gene and single-nucleotide polymorphism sequencing in genes functionally related to PAX6 were also studied. RESULTS: Best corrected visual acuities in the cohort ranged from 0.0 logMAR to no light perception. Total absence of iris tissue was seen in the majority (42 of 66 eyes). In those in whom SD-OCT was possible, foveal hypoplasia was seen in the majority (45 of 56 eyes, 80%). Molecular genetic defects involving PAX6 were identified in 30 participants (91%), including 4 novel PAX6 mutations (Gly18Val; Ser65ProfsX14; Met337ArgfsX18; Ser321CysfsX34) and 4 novel chromosome 11p deletions inclusive of PAX6 or a known PAX6 regulatory region. CONCLUSIONS: The number of PAX6 mutations associated with aniridia continues to increase. Variable foveal architecture despite nearly identical anterior segment disease in 4 participants with an Ex9 ELP4-Ex4 DCDC1 deletion suggested that molecular cues causing variation in disease in the posterior segment differ from those at play in the anterior segment. Results in 3 patients without identifiable PAX6 mutations and a review of the literature suggest that such cases be described as phenocopies rather than actual cases of the syndrome of aniridia. PMID- 29217026 TI - Ciliary body location in eyes with and without primary congenital glaucoma. AB - OBJECTIVE: To compare the location of ciliary body (CB) in children with and without primary congenital glaucoma (PCG). METHODS: In this cross-sectional study, we enrolled Saudi children who were less than 5 years old. CB distance (CBD) was measured and compared in eyes with PCG (PCG group) and without PCG (control group). CBD was measured with a caliper and defined as the distance between the edge of the corneoscleral limbus and the anterior edge of CB as delineated by transillumination. The difference in the CBD between groups was correlated with the axial length, corneal thickness, and corneal diameter. RESULTS: CBD was measured in 15 eyes in the PCG and control groups. The mean CBD (1.6 +/- 0.4 mm) in the PCG group was significantly greater than that in the control group (1.3 +/- 0.3 mm) (p < 0.001). The mean difference in the CBD of 2 groups was 0.33 mm (95% CI 0.15-0.54). In PCG eyes, the CBD was farthest in the superior quadrant (1.7 mm) followed by inferior (1.6 mm), temporal (1.6 mm), and nasal (1.5 mm) quadrants. The variability in CBD between quadrants in PCG eyes was greater than that in the control group. CBD in the PCG group showed a significant correlation with increasing axial length (p = 0.05), corneal thickness (p < 0.001), and corneal diameter (p = 0.0002). CONCLUSIONS: The CBD from the limbus was greater in PCG eyes compared to the controls and varied significantly in different quadrants. The knowledge regarding the greater CBD and its variability in PCG eyes could enable better planning of surgical treatment in congenital glaucoma. PMID- 29217027 TI - Optic disc hemorrhages in glaucoma and common clinical features. AB - OBJECTIVE: To analyze optic nerve head stereophotographs for the presence of optic disc hemorrhages, and to describe bleeding patterns and patient characteristics. DESIGN: Retrospective, cross-sectional study. PARTICIPANTS: 1113 optic nerve stereophotograph pairs of 562 consecutive patients. METHODS: Stereophotographs were systematically reviewed for the presence of a disc hemorrhage with careful documentation of optic nerve head features. All charts of patients with hemorrhage were subsequently studied for demographic information and clinical data. RESULTS: Disc hemorrhages were observed in 7.1% of patients with optic disc photography. Most patients had open-angle glaucoma (57.5%) with focal ischemic phenotype of the optic disc (66.7%). The mean vertical and horizontal cup-disc ratios were 0.82 +/- 0.14 and 0.76 +/- 0.14, respectively. The beta-zone peripapillary atrophy was observed in 48.9% of patients. The most common location was the inferotemporal region of the disc (60.8%), and most were flame or splinter shaped (70.6%). Disc hemorrhages were found either superficial to or within the retinal nerve fibre layer (72.5%), and in association with a notch (64.4%). The average intraocular pressure was 17.3 +/- 4.9 mm Hg, and most hemorrhages were associated with early visual field defects (42.5%). CONCLUSIONS: Optic disc hemorrhages in patients with glaucoma were most frequently observed inferiorly in association with a notch. Most eyes with a disc hemorrhage had an intraocular pressure within normal range and had either early or no visual field loss. These findings highlight the importance of careful examination of the optic nerve head to look for the presence of a disc hemorrhage as an important biomarker of glaucoma damage. PMID- 29217028 TI - Epidemiological trends in 1452 cases of retinoblastoma from the Surveillance, Epidemiology, and End Results (SEER) registry. AB - OBJECTIVE: To assess retinoblastoma epidemiological trends in the Surveillance, Epidemiology, and End Results (SEER) registry. METHODS: All cases of retinoblastoma in the SEER database from 1973 to 2009 were identified. Kaplan Meier survival analyses were performed for pathological grade, patient age, sex, year of diagnosis, and treatment modality. Cox proportional hazards regression assessed the impact of patient and tumour characteristics on survival. RESULTS: 1452 cases of retinoblastoma were analyzed. The mean patient age at diagnosis was 1.44 years. The tumour was unilateral in 71.0% and bilateral in 29.0%. The mean follow-up was 129.1 months. Overall survival increased during the study interval. Patients with bilateral tumours were diagnosed at an earlier age (0.46 years) than patients with unilateral disease (1.77 years; p < 0.0001). Bilateral retinoblastoma (90.3% 10-year overall survival) was associated with decreased overall survival than unilateral retinoblastoma (96.1% 10-year overall survival). Bilateral retinoblastoma was also associated with an increased incidence of nonocular malignancies (7.8%) compared with unilateral retinoblastoma (1.3%; p < 0.0001). Grade 1 tumours were diagnosed at a younger age (0.94 years) than grade 3 (2.24 years) and grade 4 tumours (2.14 years; p < 0.0001). Lower grade and lower stage tumours were independently associated with increased survival. In multivariate Cox proportional hazards analysis, T stage and laterality were the only covariates that correlated with overall survival. CONCLUSIONS: There appear to be associations between retinoblastoma tumour features such as tumour stage, pathological grade, and laterality with patient characteristics such as age at diagnosis, overall survival, and second malignancies. PMID- 29217029 TI - Development of a predictive model for temporal artery biopsies. AB - OBJECTIVE: Temporal artery biopsy is a critical, relatively safe, and reliable test in the diagnosis of temporal arteritis. Yet, a clarification of the pre-test probabilities may provide clarity on which patients with suspected giant cell arteritis would benefit from this invasive diagnostic procedure. DESIGN: A prospective case series PARTICIPANTS: A consecutive case series of patients referred to the Ophthalmology service for temporal artery biopsy. METHODS: All subjects underwent standardized serum testing, and signs and symptoms assessment. Predictive models were created and evaluated. RESULTS: 119 patients were analyzed. This exploratory study found that a simple model including platelet count, erythrocyte sedimentation rate, and c-reactive protein was able to define a subset of patients with a pre-test probability of a positive biopsy of 0% or 100%. 40% (95% confidence interval 31%-49%) of patients fell into this category. CONCLUSIONS: Utilizing a simple clinically applicable predictive model of the pretest probability of a temporal artery biopsy in patients with suspected giant cell arteritis, up to 31%-49% of temporal artery biopsies may be avoided. This study was a single site exploratory study with data-driven thresholds - therefore these results need to be validated with an independent sample prior to clinical use. PMID- 29217030 TI - Perforated punctal plugs with adjuvant use of mitomycin-C in management of acquired external punctal stenosis grades 0 and 1. AB - OBJECTIVE: To evaluate the use of perforated punctal plugs with adjuvant application of mitomycin-C in the management of acquired external punctal stenosis grades 0 and 1. METHODS: This is a prospective interventional case series including 30 eyes of 30 patients with acquired external punctal stenosis of the lower punctum of grades 0 and 1 presenting with epiphora. They were examined to exclude other causes of lacrimation and epiphora: Slit-lamp assessment of the stenosed punctum and grading was done, probing was done to exclude associated canalicular stenosis, and syringing was done to exclude nasolacrimal duct obstruction. For all cases, dilatation was done, followed by application of mitomycin-C, and perforated punctal plugs were then inserted. Plugs were removed after 6 months, and anatomical and functional success were assessed and followed during and for 6 months after removal of the plugs. RESULTS: The study included 30 patients with acquired external punctal stenosis: 9 males (30%) and 21 females (70%) with a mean age of 62.83 +/- 8.3 years. Punctal stenosis grade 0 (no punctum) occurred in 9 cases (30%), and grade 1 (the punctum is covered by a membrane) occurred in 21 cases (70%). Six months after removal of the plugs, epiphora improved in 93.3% of patients, and fluorescein dye disappearance test results improved in 90% of patients; 6.7% of cases had early extrusion of the plug, and 3.3% had granuloma formation. CONCLUSIONS: Application of perforated punctal plugs combined with mitomycin-C is a simple and efficient technique in the management of tight acquired external punctal stenosis. PMID- 29217031 TI - Early postoperative overcorrection in recurrent exotropia. AB - OBJECTIVE: To investigate the surgical outcome according to the angle of deviation at postoperative day 1 in patients with recurrent exotropia DESIGN: Retrospective case series METHODS: Surgical outcome in patients with recurrent exotropia for at least 1 year was analyzed retrospectively. Patients were divided into 3 subgroups according to the angle of deviation at postoperative day 1: overcorrection group (>=2 prism diopter [PD] of esodeviation), orthotropic group (orthotropia or <5 PD of exodeviation), and undercorrection group (>=5 PD of exodeviation). Success was defined as <=5 PD of esodeviation or <=10 PD of exodeviation at the final visit. RESULTS: One hundred and six patients were included in this study. Age at surgery was 11.8 +/- 6.9 years, and preoperative angle of deviation was 22.9 +/- 6.3 PD at distant. Patients were followed-up for 24.4 +/- 12.8 months. There were 20 (18.9%), 82 (77.4%), and 4 (3.8%) patients in overcorrection, orthotropic, and undercorrection groups at postoperative day 1 (p = 0.001). The surgical success rate at the final visit in the overcorrection group (95%) was higher than that in orthotropic and undercorrection groups (76.8% and 25%, respectively, p = 0.004). In univariate regression analysis, overcorrection at postoperative day 1 was the only reliable factor for long-term success (odds ratio [OR] = 24.101, p = 0.01). CONCLUSION: Overcorrection at postoperative day 1 is a good surgical predictor of successful outcome in surgery for recurrent exotropia. PMID- 29217033 TI - Ophthalmology at the University of Alberta: Over 8 Decades of People-driven Contributions. PMID- 29217032 TI - Comparison of endophthalmitis rates following intravitreal injection of compounded bevacizumab, ranibizumab, and aflibercept. AB - OBJECTIVE: Whereas the incidence of endophthalmitis after compounded intravitreal bevacizumab is known to be low, the rates of endophthalmitis after intravitreal injection of compounded ranibizumab and aflibercept are not known. The purpose of this study was to determine the incidence of endophthalmitis after treatment with compounded intravitreal ranibizumab and aflibercept and to compare this to the incidence with compounded intravitreal bevacizumab. DESIGN: Retrospective chart review. PARTICIPANTS: All patients with post-injection endophthalmitis who were seen over a 6.5-year period at a tertiary retina referral practice. METHODS: We identified all cases of endophthalmitis by searching for patients who received intravitreal antibiotics and had antecedent intravitreal injection of bevacizumab, ranibizumab, or aflibercept. RESULTS: A total of 54,101 injections of bevacizumab, 5,614 injections of ranibizumab, and 3,468 injections of aflibercept were performed. The incidence of suspected endophthalmitis was 0.041% (95% CI: 0.026-0.062) for bevacizumab, 0.036% (95% CI: 0.0043-0.13) for ranibizumab, and 0.06% (95% CI: 0.007-0.2) for aflibercept. For culture-positive cases, the incidence was 0.017% (95% CI: 0.0076-0.032) for bevacizumab, 0.02% (95% CI: 0.0005-0.1) for ranibizumab, and 0.03% (95% CI: 0.0007-0.2) for aflibercept. There was no statistically significant difference in endophthalmitis rate between the 3 different compounded drugs with respect to both overall suspected endophthalmitis rate and culture-positive endophthalmitis rate (p = 0.87). CONCLUSION: Compounding of ranibizumab and aflibercept for intravitreal use appears to be safe because the endophthalmitis rate does not appear to be different from that of intravitreal bevacizumab. PMID- 29217034 TI - Ruptured globe from badminton racquet injury while wearing spectacles. PMID- 29217035 TI - Exudative complications following photodynamic therapy. PMID- 29217036 TI - Response to "Exudative complications following photodynamic therapy". PMID- 29217037 TI - Re: Nutritional optic neuropathy instead of tobacco-alcohol amblyopia. PMID- 29217038 TI - Corrigendum to: "Glucose transporter isoform-1 receptor-positive infantile capillary hemangiomas: case report and literature review", Canadian Journal of Ophthalmology, volume 49 (2014), e156-e158. PMID- 29217039 TI - Medical therapy for bilateral uveal effusion syndrome in nanophthalmos. PMID- 29217040 TI - Optical coherence tomography angiography imaging of Purtscher retinopathy. PMID- 29217041 TI - Bilateral persistent fetal vasculature and a chromosome 10 mutation including COX15. PMID- 29217042 TI - Transient central retinal artery occlusion following viperine snake bite. PMID- 29217043 TI - Retinal detachment and microangiopathy in mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes syndrome. PMID- 29217044 TI - Meesmann epithelial corneal dystrophy: recurrence following photorefractive keratectomy. PMID- 29217045 TI - Ophthalmoparesis and unilateral finger flexor muscle weakness in seronegative myasthenia gravis. PMID- 29217046 TI - Anti-NMDA-receptor optic neuritis in a patient with a history of encephalitis. PMID- 29217047 TI - Visual worsening despite resolution of subfoveal fluid in nonarteritic ischemic optic neuropathy. PMID- 29217048 TI - Bilateral inferior hemifield visual loss secondary to a pituitary prolactinoma. PMID- 29217049 TI - Bilateral multiple iridociliary cysts in diffuse uveal melanocytic proliferation. PMID- 29217050 TI - Sequential development of dermatofibrosarcoma protuberans in the forehead and eyelid. PMID- 29217051 TI - A primary squamous cell carcinoma of the orbit. PMID- 29217052 TI - Acute orbital sarcoidosis with preceding fever and erythema nodosum. PMID- 29217053 TI - Squamous cell carcinoma arising from syringocystadenoma papilliferum of the eyelid. PMID- 29217054 TI - Classification and Pathology of Congenital and Perinatal Vascular Anomalies of the Head and Neck. AB - Accurate histopathologic description in correlation with clinical and radiological evaluation is required for treatment of vascular anomalies, both neoplastic and malformative. It is important to examine current clinical, histologic, and immunophenotypical features that distinguish the major types of congenital and perinatal vascular anomalies affecting the head and neck. General discussions of pathogenesis and molecular diagnosis must also be taken into account. This article provides an overview of the features that distinguish the major types of congenital and perinatal vascular anomalies affecting the head and neck, and summarizes the diagnostic histopathologic criteria and nomenclature currently applied to these lesions. PMID- 29217055 TI - Outcome Measurement for Vascular Malformations of the Head and Neck. AB - Vascular malformations are congenital anomalies of the vascular and/or lymphatic system that affect the head and neck region. The most common treatment options are sclerotherapy, laser therapy, surgery, and embolization. Because vascular malformations are variable in type, size, extent, and location, it is a challenge to select methods for evaluation of treatment outcome. Without standardized outcome reporting, it is difficult to compare and combine scientific evidence to support therapeutic decision making. Standardized collection and reporting of outcome data are the first steps toward a fair comparison between treatments. This article describes outcome measurements for vascular malformations and initiatives to improve outcome reporting. PMID- 29217056 TI - The Role of Surgery in the Management of Infantile Hemangiomas: What is the Best Timing? AB - Surgery for the management of infantile hemangiomas has become commonplace. Surgical technique articles are plentiful; however, little has been written about the timing of surgery. Knowledge of the biology of the tumors, data from developmental psychology, and the utility of facial reconstruction provide guidelines for timing of surgical intervention. PMID- 29217057 TI - The Surgical Management of Infantile Hemangiomas. AB - The surgical management of facial infantile hemangiomas presents a unique challenge. The aim of the surgeon should be to remove the hemangioma and to restore normal facial features. Each of the facial zones has its own special features and challenges. The surgeon should remember that the child started out with normal anatomy and that as the hemangioma proliferated, it displaced and thinned these normal structures and in many cases, expanded adjacent tissue. Hemangiomas do not as a rule, invade adjacent tissues as they proliferate. These facts will help in planning the various surgical approaches. PMID- 29217058 TI - Management of Infantile Hemangiomas of the Airway. AB - Infantile hemangiomas (IHs) of the airway are far less common than their cutaneous counterparts, and their symptoms mimic those of viral croup. As a result, by the time these lesions are diagnosed, they are often advanced and causing airway compromise. Fortunately, the evolution of propranolol as an effective and safe pharmacotherapy has simplified management of IH and reduced the likelihood of complications previously seen with steroid therapy and surgery. Nevertheless, the otolaryngologist must be prepared with an alternate plan to manage lesions refractory to pharmacotherapy. This article reviews the clinical presentation and current management of IHs of the airway. PMID- 29217059 TI - New Frontiers in Our Understanding of Lymphatic Malformations of the Head and Neck: Natural History and Basic Research. AB - The future of head and neck lymphatic malformation (HNLM) evaluation and treatment is changing because of 2 decades of clinical research and recent basic science investigation. Basic science investigation using cellular biology and molecular genetics has revealed the genetic cause of some HNLMs, which has created the possibility of medical treatment specific to HNLM. This article summarizes the clinical and basic science research that will likely influence the future of HNLM assessment and treatment. PMID- 29217060 TI - Multidisciplinary Approach to the Management of Lymphatic Malformations of the Head and Neck. AB - Lymphatic malformations (LMs) occur in 2.8 to 5 per 100,000 live births. Most involve the head and neck and they are equally common in men and women. They are developmental anomalies of unknown cause, although recent evidence suggests that an upregulation of the mammalian target of rapamycin (mTOR) pathway may be a causal factor leading to the overproduction of abnormal lymph vessels. These vessels are likely dilated lymphatic sacs sequestered from the lymphatic and venous systems. This overproduction results in the accumulation of lymph in dilated cystic spaces, which in turn results in the clinical features of an LM. PMID- 29217061 TI - Venous Malformations of the Head and Neck. AB - Venous malformations (VMs) of the head and neck arise from deficits in the development of venous network. Clinically, VMs are highly variable, from small and asymptomatic varicosities to massive cervicofacial lesions. Therapeutic approaches include surgery; laser photocoagulation; sclerotherapy; and, more recently, systemic targeted drugs. This article discusses the natural history, diagnosis, and management of VMs. PMID- 29217062 TI - Arteriovenous Malformations of the Head and Neck. AB - Extracranial arteriovenous malformations (AVMs) are complex vascular malformations to diagnose and treat. They are comprised of congenitally derived arteriovenous shunts with chronic vascular expansion, collateralization, and infiltration of local tissue. Their cause remains unclear, but new genetic and molecular clues are emerging. They may present at any age following an early quiescent period. Diagnosis is based on vascular staining, soft tissue expansion, progressive growth, warmth, and pulsations. Focal lesions can be cured, whereas diffuse AVMs demonstrate highly recidivistic disease. Multimodal therapy with staged interventions can improve treatment outcomes, increase treatment intervals, and control disease. Vigilant follow-up is critical. PMID- 29217063 TI - Capillary Malformations (Portwine Stains) of the Head and Neck: Natural History, Investigations, Laser, and Surgical Management. AB - Capillary malformations (CMs), also known as port-wine stains, are the most common type of congenital vascular malformations. Facial CM often occurs with a quasidermatomal distribution according to the sensory trigeminal nerve distribution. With time, these lesions darken progressively, and soft tissue hypertrophy, bony hypertrophy, and/or nodule formation can develop. Multiple treatments for CM have been reported. However, the mainstay and gold standard therapy for facial or aesthetically sensitive CM is still the pulsed dye laser treatment. In patients with associated soft tissue/bony hypertrophy, surgical management is helpful in restoring the normal anatomy and in re-establishing a symmetric contour. PMID- 29217064 TI - The Management of Vascular Malformations of the Airway: Natural History, Investigations, Medical, Surgical and Radiological Management. AB - Vascular malformations may affect nearly all aspects of the upper airway. Each type of malformation has a characteristic pattern of disease. These lesions may be focal or diffuse, and require directed management strategies. Physicians treating these entities should have a high level of suspicion to consider airway evaluation even in the absence of overt symptoms. However, cutaneous head and neck venous malformations or other lesions affecting the lips, oral cavity, or tongue can herald the presence of coexisting airway lesions. A multidisciplinary approach is critical in achieving comprehensive treatment. PMID- 29217065 TI - Orthognathic Considerations of Vascular Malformations. AB - Vascular malformations affect the craniofacial skeleton in many ways, depending on the type of the lesion and its location. The lesions may exert a mass effect and cause thinning or thickening of the bone or cause expansion from direct bony infiltration. Orthognathic surgery can be used to correct any malocclusion or open bite deformities after the soft tissues are addressed. PMID- 29217066 TI - Hereditary Hemorrhagic Telangiectasia. AB - Hereditary hemorrhagic telangiectasia (HHT) describes the presenting manifestations of a disorder that is characterized by pathologic blood vessels. HHT is inherited as an autosomal dominant trait with variable penetrance. The abnormal vascular structures (dysplasias) can affect all the organs in the human body. The link between a physical stimulus and new lesion development has been established for mucosal trauma owing to nasal airflow turbulence, for ultraviolet exposure to the fingers, and for mechanical trauma to the dominant hand. The pressing question then is whether HHT treatment constitutes a stimulus that is sufficient to trigger new lesion development. PMID- 29217067 TI - Etiology and Genetics of Congenital Vascular Lesions. AB - The detection of somatic, activating genetic mutations to underlie development of vascular tumors and malformations led to a better understanding of their pathophysiology. Proteins encoded by the detected mutated genes activate the two major signaling pathways, also involved in cancer: the RAS/MAPK/ERK pathway and/or the PI3K/AKT/mTOR pathway. This gives a strong basis for studies to repurpose cancer therapeutics to patients with vascular tumors and malformations. PMID- 29217068 TI - Imaging of Vascular Lesions of the Head and Neck. AB - This article provides an overview of imaging findings of common and uncommon vascular lesions in the head and neck and showcases images highlighting imaging findings. Both hemangiomas and vascular malformations are covered. PMID- 29217069 TI - Infantile Hemangiomas in the Head and Neck Region. AB - Infantile hemangiomas (IHs) are benign vascular tumors of infancy most common in the region of the head and neck. Infantile hemangiomas are common; but they are extremely heterogeneous and cause a range of complications depending on their morphology, size, or location. Medical interventions for high-risk patients include topical and systemic therapies, including oral propranolol, which has revolutionized the management of IHs over the past recent years. In the following article, the authors aim to provide a review of the natural history, pathology, complications, syndromes, and medical management of infantile hemangioma. PMID- 29217070 TI - Congenital Vascular Tumors. AB - Vascular tumors are benign neoplasms, which result from proliferating endothelial cells. These lesions present during infancy or childhood, may affect any location, and exhibit postnatal growth. Local complications include bleeding, tissue destruction, and pain whereas systemic sequelae include thrombocytopenia, congestive heart failure, and death. Vascular tumors should be differentiated from vascular malformations, which present at birth, have a quiescent endothelium, and grow in proportion to the child. Together, vascular tumors and malformations comprise the field of vascular anomalies. PMID- 29217072 TI - Multidisciplinary Approach to Vascular Anomalies Maximizes Outcomes. PMID- 29217071 TI - Psychosocial Impact of Vascular Anomalies on Children and Their Families. AB - Vascular anomalies are divided into tumors and malformations based on their clinical and cytologic attributes. Vascular malformations are further subcategorized as low-flow lymphatic, venous, capillary, or mixed lesions and as high-flow arteriovenous malformations. Treatment is reserved for vascular anomalies that are symptomatic or cosmetically disfiguring, and surgical and nonsurgical treatment options are widely varied with variable outcomes. PMID- 29217073 TI - Congenital Vascular Lesions of the Head and Neck. PMID- 29217074 TI - BIG is beautiful, baby! PMID- 29217075 TI - [Study of the reproducibility of the sterilization process and proposal of an sterilizer requalification protocol]. AB - Unlike EN 554, and since the publication of ISO 17665-1 standard, the user of autoclaves may use methods other than those indicated in the guidelines. Outsourcing the requalification of sterilizers by an external service provider and after observing from the previous requalification reports that the thermometric data seemed reproducible, we decided to propose and validate a validation method for the reproducibility of the sterilization process. This is to exempt from the study of the repeatability of the EN 554 standard in future requalifications. Reproducibility was studied with the sensors of the sterilization service and from the production cycles. This study was carried out in three parts. First, we checked whether our sensors were reliable. Then we evaluated the sterilization process fidelity of each sterilizer. Finally, we compared our measurements performed by the service sensors with the measurements performed by the service provider during the requalifications of the previous years. This work leads us to describe a new protocol of requalification of our sterilizers. PMID- 29217076 TI - Pleural effusion in multiple myeloma. PMID- 29217077 TI - Validation of the NaURSE rule for predicting in-hospital mortality in nonagenarians. PMID- 29217078 TI - The clinician and their patient at the end of life. PMID- 29217079 TI - Haploinsufficiency for the Six2 gene increases nephron progenitor proliferation promoting branching and nephron number. AB - The regulation of final nephron number in the kidney is poorly understood. Cessation of nephron formation occurs when the self-renewing nephron progenitor population commits to differentiation. Transcription factors within this progenitor population, such as SIX2, are assumed to control expression of genes promoting self-renewal such that homozygous Six2 deletion results in premature commitment and an early halt to kidney development. In contrast, Six2 heterozygotes were assumed to be unaffected. Using quantitative morphometry, we found a paradoxical 18% increase in ureteric branching and final nephron number in Six2 heterozygotes, despite evidence for reduced levels of SIX2 protein and transcript. This was accompanied by a clear shift in nephron progenitor identity with a distinct subset of downregulated progenitor genes such as Cited1 and Meox1 while other genes were unaffected. The net result was an increase in nephron progenitor proliferation, as assessed by elevated EdU (5-ethynyl-2'-deoxyuridine) labeling, an increase in MYC protein, and transcriptional upregulation of MYC target genes. Heterozygosity for Six2 on an Fgf20-/- background resulted in premature differentiation of the progenitor population, confirming that progenitor regulation is compromised in Six2 heterozygotes. Overall, our studies reveal a unique dose response of nephron progenitors to the level of SIX2 protein in which the role of SIX2 in progenitor proliferation versus self-renewal is separable. PMID- 29217080 TI - MEMS gyroscope control using a novel compound robust control. AB - This paper proposes a new compound fractional order integral terminal sliding mode control (FOITSMC) and proportional-derivative control (PD-FOITSMC) for the control of a MEMS gyroscope. In order to improve the robustness of the conventional integral terminal sliding mode control (ITSMC), a fractional integral terminal sliding mode surface is applied. The chattering problem in FOITSMC, which is usually generated by the excitation of fast un-modelled dynamic is the main drawback. A PD controller is employed in order to eliminate chattering phenomenon. The stability of the PD-FOITSMC is proved by Lyapunov theory. The performance of the proposed control method is compared with two other controllers such as ITSMC and FOITSMC. Numerical simulations clearly verified the effectiveness of the proposed control approach. PMID- 29217081 TI - [Zosteriform cutaneous metastasis in melanoma]. AB - INTRODUCTION: Cutaneous metastases are common in patients with malignant melanoma. In rare cases, they are distributed on a dermatome, in which case they are known as zosteriform metastases. OBSERVATION: We report the case of a patient with zosteriform metastasis of a malignant melanoma, progressing unfavourably despite surgical excision and immunotherapy. DISCUSSION: The physiopathology of this condition continues to be poorly understood. PMID- 29217082 TI - [Prosthetic genioplasty versus osseous genioplasty in aesthetic chin augmentation: Literature review and knowledge update]. AB - Chin augmentation is commonly practiced, whether in microgenia treatment, in cases of orthognathic or cosmetic surgery. Located at the crossroads of many specialties, the technique choice still differs according to the surgeon specialiy. A large number of publications on the subject are available. A comparaison between different surgical methods is therefore possible concerning their indications and their complication. The purpose of this study was to carry out a literature review, with updating knowledge, as well as a synthesis indication regarding aesthetic osseous and alloplastic genioplasty. Despite the generalization of "modern" implants in France, prosthetic genioplasty remains more frequently the source of serious complications (infections, extrusions, bone erosions). Similarly, this technique has much more limited indications than osseous genioplasty, which has the advantage of a better longevity. In order to increase the aesthetic appearance of the chin, osseous genioplasty should be performed more easily and more frequently by surgeons on all sides. PMID- 29217083 TI - Hyalinizing clear cell carcinoma of salivary gland origin in the head and neck: clinical and histopathological analysis. AB - Hyalinizing clear cell carcinoma (HCCC) is an extremely rare neoplasm of salivary gland origin with a low-grade indolent nature. It is difficult to distinguish from other malignant salivary gland tumours. Clinical outcomes following surgery are generally reported as good. The aim of this study was to further determine the features of HCCC. This study was approved by Medical ethics review of affiliated hospital of jiangsu university. Fourteen new cases of HCCC are reported. The clinical and histopathological data of these 14 cases were analysed alongside those of 141 cases identified in a systematic review of the literature (up to 2016). Demographic data, histopathological findings, clinical presentation, primary treatment, and outcomes were extracted. Histologically, HCCC tumour cells had a clear cell morphology with hyalinized stroma. Immunohistochemical results were positive for cytokeratins and EMA, but negative for SMA, S100, vimentin, and calponin. Twelve of the 14 patients showed EWSR1 translocation. Local nodal metastasis on presentation was present in 17.3% and the overall recurrence rate was 17.7% in the total population (N=155), compared with 35.7% and 21.4%, respectively, in the new cases alone. Focal necrosis and local metastasis were identified as possibly associated with recurrence. The overall prognosis was good: only 3.8% of patients died of the disease. HCCC is less indolent than was previously thought, but overall the prognosis is good. Risk factors for recurrence may include focal necrosis and local metastasis at presentation. The best treatment for patients with HCCC is wide local excision combined with regional lymph node dissection. PMID- 29217084 TI - Oral phenytoin protects against experimental cyclophosphamide-chemotherapy induced hair loss. AB - In the current study, effects of oral phenytoin on hair growth in cyclophosphamide-treated rats were assessed with the goal of evaluating the ability of phenytoin to suppress chemotherapy-induced hair loss. Thirty-six rats were randomly assigned to six groups (1k6) of six each (n=6). In all groups, anagen was induced in flank skin of rats by depilation. On day 9 (anagen VI), rats were injected once with either distilled water (groups 1-3) or cyclophoshamide (groups 4-6). From day 10, rats in group 1 and 4 received oral vehicle (distilled water), groups 2 and 5 received oral phenytoin (50mg/kg), while groups 3 and 6 also received oral phenytoin (100mg/kg). Drug or vehicle was administered daily for a period of 28days. The flank area was serially photographed. At the end of the experimental period, rats were sacrificed to correlate visible hair growth with a histological profile of follicle response and recovery. Glutathione (GSH), glutathione peroxidase (GPX) and lipid peroxidation status were assessed. Cyclophosphamide (CYP) treatment was associated with gross morphologic and histological evidence of hair loss in the flanks, microscopic evidence of hair-shaft thinning, increased skin lipid peroxidation, decreased GSH level, and reduction in GPX activities. Phenytoin co administration was associated with evidence of improved hair growth, increased hair-shaft thickness, reduced skin lipid peroxidation, increased GSH level, and increased GPX activities. This study showed that oral phenytoin can suppress hair loss due to CYP therapy in rats; however, further studies are needed to evaluate its potential application in chemotherapy-induced alopecia. PMID- 29217085 TI - IgG4-related disease presenting as hoarseness and postcricoid ulcer. PMID- 29217086 TI - Effect of inhaled allergens and air pollutants on childhood rhinitis development. PMID- 29217087 TI - Evolution of Simplified Frozen Elephant Trunk Repair for Acute DeBakey Type I Dissection: Midterm Outcomes. AB - BACKGROUND: A modified technique for frozen elephant trunk (FET) repair of acute DeBakey type I dissection has evolved. Procedural modifications are described and midterm outcomes evaluated. METHODS: From 2009 to 2016, 72 patients with DeBakey type I dissection underwent emergency simplified FET. Mean age was 59 +/- 15 years. Presentation included malperfusion (n = 22, 31%), rupture (n = 12, 16%), and aortic insufficiency (n = 42, 58%). Concomitant procedures included valve replacement (n = 9), root replacement (n = 11; valve sparing n = 6), cusp repair (n = 11), and valve resuspension (n = 21). The first 39 were treated by modifying an early generation stent graft. The next 16 received newer modified stent grafts, and the latest 17 underwent branched single anastomosis technique with left subclavian stent grafting. RESULTS: Operative mortality was 4.2% (n = 3 of 72). Two presented comatose without recovering, the other died from coagulopathy complications. Morbidity included stroke (n = 3, 4.2%), spinal injury (n = 3, 4.2%; 1 permanent), tracheostomy (n = 7, 9.7%), and renal failure (n = 2, 2.8%). Median follow-up was 28 +/- 25 months. Survival was 92% at 6 months, 92% at 1 year, 89% at 3 years, and 80% at 5 years. Among 69 survivors, follow-up imaging was available in 63 (91%). Of these, 58 (92%) patients thrombosed the treated false lumen, with shrinkage in 37(54%) patients from 42 +/- 8 mm to 37 +/- 7 mm. Ten patients underwent 14 late reinterventions for growth and incomplete thrombosis (7 endo extension, 4 left subclavian embolization, 1 bypass, 2 false lumen embolization). Freedom from reintervention was 93% at 6 months, 87% at 1 year, 77% at 3 years, and 72% at 5 years. CONCLUSIONS: Simplified FET for treating acute DeBakey type I dissection has evolved and remained safe. It promotes aortic remodeling, and simplifies management of chronic aortic complications. PMID- 29217089 TI - Fully-coupled mathematical modeling of actomyosin-cytosolic two-phase flow in a highly deformable moving Keratocyte cell. AB - Interaction between intracellular dynamics and extracellular matrix (ECM) generally occurred into very thin fragment of moving cell, namely lamellipodia, enables all movable cells to crawl on ECM. In fast-moving cells such as fish Keratocytes, Lamellipodia including most cell area finds a fan-like shape during migration, with a variety of aspect ratio function of fish type. In this work, our purpose is to present a novel and more complete two-dimensional continuum mathematical model of actomyosin-cytosolic two-phase flow of a self-deforming Keratocyte with circular spreaded to steady fan-like shape. In the new approach, in addition to the two-phase flow of the F-actin and cytosol, the G-actin transport was spatiotemporally modeled. We also for the first time modeled the effect of variable volume fraction of the moving F-actin porous network on solute transport in the cytosolic fluid. Our novel fully-coupled mathematical model provides a better understanding of intracellular dynamics of fast-migrating Keratocytes; such as the F-actin centripetal and cytosolic fountain-like flows, free-active myosin distribution, distribution sequence of the G-actin, F-actin, and myosin, and myosin-induced pressure flied of cytoplasm as well as the map of intracellular forces like myosin contraction and adhesion traction. All these results are qualitatively and quantitatively in good agreement with experimental observations. According to a range of value of parameters used in this model, our steady state of moving Keratocyte finds fan-like shape with the same aspect ratio as wide category of fish Keratocytes. This new model can predict shape of Keratocytes in other range of parameter values. PMID- 29217088 TI - Induction Cisplatin Docetaxel Followed by Surgery and Erlotinib in Non-Small Cell Lung Cancer. AB - BACKGROUND: Data from meta-analyses support the use of induction or adjuvant platinum-based chemotherapy for locally advanced non-small cell lung cancers (NSCLCs). This phase 2 study assessed the role of induction cisplatin and docetaxel followed by surgery in patients with resectable stage I to III NSCLCs, followed by 12 months of adjuvant erlotinib. METHODS: Patients with resectable stage I to III NSCLCs received cisplatin 80 mg/m2, docetaxel 75 mg/m2 every 21 days for 3 cycles, followed by surgery, followed by adjuvant erlotinib for 12 months. The primary endpoint included safety. Long-term efficacy outcomes and exploratory analysis of intermediary endpoints are also reported (NCT00254384). RESULTS: Forty-seven eligible patients received a median of 3 cycles of induction treatment, 37 underwent surgical resection, and only 21 received adjuvant erlotinib. Two patients died in the perioperative period (1 sepsis during chemotherapy, 1 acute respiratory distress syndrome postoperatively). Most common grade 3 to 5 toxicities during chemotherapy included hypokalemia (8%), infection (7%), and granulocytopenia (25%). During adjuvant erlotinib, 14% of patients experienced grade 2 rash. Median overall survival was 3.4 years. Major pathologic responses in the primary tumor were observed in 19% (7 of 37) of patients and correlated with improved long-term overall survival. Complete pathologic response in mediastinal/hilar nodes also correlated with superior survival. CONCLUSIONS: Induction cisplatin and docetaxel was well tolerated. Adjuvant erlotinib did not improve outcomes compared with historical controls. Major pathologic response predicted for improved long-term survival and is a suitable intermediary endpoint for future phase 2 studies. PMID- 29217090 TI - Walking speed differentially alters spinal loads in persons with traumatic lower limb amputation. AB - Persons with lower limb amputation (LLA) perceive altered motions of the trunk/pelvis during activities of daily living as contributing factors for low back pain. When walking (at a singular speed), larger trunk motions among persons with vs. without LLA are associated with larger spinal loads; however, modulating walking speed is necessary in daily life and thus understanding the influences of walking speed on spinal loads in persons with LLA is of particular interest here. Three-dimensional trunk-pelvic kinematics, collected during level-ground walking at self-selected (SSW) and two controlled speeds (~1.0 and ~1.4 m/s), were obtained for seventy-eight participants: 26 with transfemoral and 26 with transtibial amputation, and 26 uninjured controls (CTR). Using a kinematics driven, non-linear finite element model of the lower back, the resultant compressive and mediolateral/anteroposterior shear loads at the L5/S1 spinal level were estimated. Peak values were extracted and compiled. Despite walking slower at SSW speeds (~0.21 m/s), spinal loads were 8-14% larger among persons with transfemoral amputation vs. CTR. Across all participants, peak compressive, mediolateral, and anteroposterior shear loads increased with increasing walking speed. At the fastest (vs. slowest) controlled speed, these increases were respectively 24-84% and 29-77% larger among persons with LLA relative to CTR. Over time, repeated exposures to these increased spinal loads, particularly at faster walking speeds, may contribute to the elevated risk for low back pain among persons with LLA. Future work should more completely characterize relative risk in daily life between persons with vs. without LLA by analyzing additional activities and tissue-level responses. PMID- 29217091 TI - Microstructural changes associated with osteoporosis negatively affect loading induced fluid flow around osteocytes in cortical bone. AB - Loading-induced interstitial fluid flow in the microporosities of bone is critical for osteocyte mechanotransduction and for the maintenance of tissue health, enhancing convective transport in the lacunar-canalicular system. In recent studies, our group has reported alterations of bone's vascular porosity and lacunar-canalicular system microarchitecture in a rat model of postmenopausal osteoporosis. In this work, poroelastic finite element analysis was used to investigate whether these microstructural changes can affect interstitial fluid flow around osteocytes. Animal-specific finite element models were developed combining micro-CT reconstructions of bone microstructure and measures of the poroelastic material properties. These models were used to quantify and compare loading-induced fluid flow in the lacunar-canalicular system of ovariectomized and sham-operated rats. A parametric analysis was also used to quantify the influence of the lacunar-canalicular permeability and vascular porosity on the fluid velocity magnitude. Results show that mechanically-induced interstitial fluid velocity can be significantly reduced in the lacunar-canalicular system of ovariectomized rats. Interestingly, the vascular porosity is shown to have a major influence on interstitial fluid flow, while the lacunar-canalicular permeability influence is limited when larger than 10-20m2. Altogether our results suggest that microstructural changes associated with the osteoporotic condition can negatively affect interstitial fluid flow around osteocytes in the lacunar-canalicular system of cortical bone. This fluid flow reduction could impair mechanosensation of the osteocytic network, possibly playing a role in the initiation and progression of age-related bone loss and postmenopausal osteoporosis. PMID- 29217092 TI - MRI-based experimentations of fingertip flat compression: Geometrical measurements and finite element inverse simulations to investigate material property parameters. AB - Modeling human-object interactions is a necessary step in the ergonomic assessment of products. Fingertip finite element models can help investigating these interactions, if they are built based on realistic geometrical data and material properties. The aim of this study was to investigate the fingertip geometry and its mechanical response under compression, and to identify the parameters of a hyperelastic material property associated to the fingertip soft tissues. Fingertip compression tests in an MRI device were performed on 5 subjects at either 2 or 4 N and at 15 degrees or 50 degrees . The MRI images allowed to document both the internal and external fingertip dimensions and to build 5 subject-specific finite element models. Simulations reproducing the fingertip compression tests were run to obtain the material property parameters of the soft tissues. Results indicated that two ellipses in the sagittal and longitudinal plane could describe the external fingertip geometry. The internal geometries indicated an averaged maximal thickness of soft tissues of 6.4 +/- 0.8 mm and a 4 +/- 1 mm height for the phalanx bone. The averaged deflections under loading went from 1.8 +/- 0.3 mm at 2 N, 50 degrees to 3.1 +/- 0.2 mm at 4 N, 15 degrees . Finally, the following set of parameters for a second order hyperelastic law to model the fingertip soft tissues was proposed: C01=0.59 +/- 0.09 kPa and C20 = 2.65 +/- 0.88 kPa. These data should facilitate further efforts on fingertip finite element modeling. PMID- 29217093 TI - Risk factors for the appearance of secondary foci of infection in children with community-acquired Staphylococcus aureus bacteraemia. Cohort study 2010-2016. AB - INTRODUCTION: Community-acquired Staphylococcus aureus (SA) bacteraemia is a common cause of hospitalisation in children. The occurrence of secondary foci (SF) of SA infection is associated with higher morbidity and mortality. OBJECTIVES: To identify risk factors for SF of infection in children with community-acquired SA bacteraemia. MATERIAL AND METHODS: Prospective cohort. All children aged from 30 days to 16 years admitted to a paediatric referral hospital between January 2010 and December 2016 for community-acquired infections, with SA isolated in blood cultures, were included. Microbiological, demographic and clinical characteristics were compared, with or without SF infection after 72hours of hospitalisation. RESULTS: A total of 283 patients were included, 65% male (n=184), with a median age of 60 months (IQR: 30-132). Seventeen per cent (n=48) had at least one underlying disease and 97% (n=275) had some clinical focus of infection, the most common being: osteoarticular 55% (n=156) and soft tissue abscesses 27% (n=79). A total of 65% (n=185) were resistant to methicillin. A SF of infection was found in 16% of patients (n=44). The SF identified were pneumonia 73% (n=32), osteoarticular 11% (n=5), soft tissue 11% (n=5) and central nervous system 5% (n=2). In the multivariate analysis, the persistence of positive blood cultures after the fifth day (OR: 2.40, 95%CI: 1.07 5.37, P<0.001) and sepsis (OR: 17.23, 95%CI 5.21-56.9, P<0.001) were predictors of SF. There was no association with methicillin sensitivity. CONCLUSIONS: In this cohort, methicillin-resistant SA infections predominated. The occurrence of SF of infection was associated with the persistence of bacteraemia after the fifth day and sepsis on admission. PMID- 29217094 TI - Treatment of infections caused by nontuberculous mycobacteria. AB - Nontuberculous mycobacteria are a heterogeneous group of microorganisms that can often cause human infection, although they may also be considered to be contaminants or colonisers on occasions. The management of these infections must necessarily take into account the identification of isolated species and their in vitro susceptibility testing (although not for all of them), as well as the characteristics of the patient, because these treatments are usually prolonged and must be carried out by experts in the management of these infections. Classically divided into slowly growing mycobacteria and rapidly growing mycobacteria, the treatment regimens and the antibiotics used are different for both groups. In addition, in certain circumstances, this treatment must necessarily be linked to other measures (removal of foreign bodies, surgery) in order to maximise the likelihood of curing the patient. PMID- 29217095 TI - Sofosbuvir plus daclatasvir as an alternative for patients on haemodialysis with genotype 2 hepatitis C virus infection. PMID- 29217096 TI - Trend and seasonality of community-acquired Escherichia coli antimicrobial resistance and its dynamic relationship with antimicrobial use assessed by ARIMA models. AB - INTRODUCTION: We studied the trend and seasonality of community-acquired Escherichia coli resistance and quantified its correlation with the previous use of certain antibiotics. METHODS: A time series study of resistant community acquired E. coli isolates and their association with antibiotic use was conducted in a Primary Health Care Area from 2008 to 2012. A Poisson regression model was constructed to estimate the trend and seasonality of E. coli resistance. RESULTS: A significant increasing trend in mean E. coli resistance to cephalosporins, aminoglycosides and nitrofurantoin was observed. Seasonal resistance to ciprofloxacin and amoxicillin-clavulanic acid was significantly higher in autumn winter. There was a delay of 7, 10 and 12 months between the use of cotrimoxazole (P<0.038), fosfomycin (P<0.024) and amoxicillin-clavulanic acid (P<0.015), respectively, and the occurrence of E. coli resistance. CONCLUSIONS: An average delay of 10 months between the previous use of amoxicillin-clavulanic acid, cotrimoxazole and fosfomycin and the appearance of resistant community-acquired E. coli strains was detected. PMID- 29217097 TI - Ocular Manifestations of Familial Transthyretin Amyloidosis. PMID- 29217098 TI - Prolonged Time Lag to Final Diagnosis of Fragile X Syndrome. AB - OBJECTIVE: To evaluate the diagnostic process in children ultimately diagnosed with fragile X syndrome (FXS), with an emphasis on the time lag between initial presentation and on diagnosis in female vs male children. STUDY DESIGN: Interviews were conducted with 89 families of children with a final diagnosis of FXS and assessment of time intervals between initial presentation and confirmed molecular diagnosis. RESULTS: Screening of 117 patients (25 female patients) from the 89 families revealed that less than 20% of patients obtained a diagnosis within the first year of seeking medical attention. Mean age at the time of initial presentation was 12.3 months in male patients and 23 months in female patients, while definitive diagnosis of FXS was made at a mean of 4 and 9 years, respectively. Presenting symptoms of developmental delays were recognized by 72% of parents, and 84% had another child with FXS before the index case diagnosis. Average age of diagnosis for children with FXS born since 2007 was significantly lower at 31.9 months, compared with 69.5 months for children born before 2007. CONCLUSIONS: Although FXS is a significant and prevalent cause of disability in children, it is underdiagnosed and diagnosed late, especially in female patients. In every male and female patient presenting with developmental delay or autism, FXS should be considered. Dysmorphic physical features may not be present in infancy, and the absence of those features cannot exclude a diagnosis of FXS. PMID- 29217099 TI - Proinflammatory Diets during Pregnancy and Neonatal Adiposity in the Healthy Start Study. AB - OBJECTIVE: To evaluate the association between dietary inflammatory index (DII) scores during pregnancy and neonatal adiposity. STUDY DESIGN: The analysis included 1078 mother-neonate pairs in Healthy Start, a prospective prebirth cohort. Diet was assessed using repeated 24-hour dietary recalls. DII scores were obtained by summing nutrient intakes, which were standardized to global means and multiplied by inflammatory effect scores. Air displacement plethysmography measured fat mass and fat-free mass within 72 hours of birth. Linear and logistic models evaluated the associations of DII scores with birth weight, fat mass, fat free mass, and percent fat mass, and with categorical outcomes of small- and large-for-gestational age. We tested for interactions with prepregnancy BMI and gestational weight gain. RESULTS: The interaction between prepregnancy BMI and DII was statistically significant for birth weight, neonatal fat mass, and neonatal percent fat mass. Among neonates born to obese women, each 1-unit increase in DII was associated with increased birth weight (53 g; 95% CI, 20, 87), fat mass (20 g; 95% CI, 7-33), and percent fat mass (0.5%; 95% CI, 0.2-0.8). No interaction was detected for small- and large-for-gestational age. Each 1-unit increase in DII score was associated a 40% increase in odds of a large-for gestational age neonate (1.4; 95% CI, 1.0-2.0; P = .04), but not a small-for gestational age neonate (1.0; 95% CI, 0.8-1.2; P = .80). There was no evidence of an interaction with gestational weight gain. CONCLUSIONS: Our findings support the hypothesis that an increased inflammatory milieu during pregnancy may be a risk factor for neonatal adiposity. TRIAL REGISTRATION: Clinicaltrials.gov: NCT02273297. PMID- 29217100 TI - Childhood Corporal Punishment and Future Perpetration of Physical Dating Violence. AB - OBJECTIVE: To test whether experiencing childhood corporal punishment is linked to later perpetration of dating violence. STUDY DESIGN: Young adults (n = 758; 61% female; mean age of 20 years), originally recruited for a longitudinal study as 9th- and 10th-grade Texas high school students, were asked about their childhood experiences with corporal punishment and physical abuse, as well as current experiences with dating violence. A path model was used to determine whether childhood corporal punishment was related to recent perpetration of physical dating violence, while controlling for childhood physical abuse, age, sex, ethnicity, and socioeconomic status. RESULTS: In all, 19% of participants (n = 134) reported physical dating violence perpetration and 68% reported experiencing corporal punishment as children (n = 498). Analysis showed a significant positive association between corporal punishment and physical perpetration of dating violence (OR 1.30, 95% CI 1.07-1.59). Even after controlling for sex, ethnicity, age, parental education, and child physical abuse, childhood corporal punishment was associated significantly with physical dating violence perpetration (aOR 1.29, 95% CI 1.02-1.62). CONCLUSIONS: The finding that childhood corporal punishment was associated with perpetration of young adult physical dating violence, even after controlling for several demographic variables and childhood physical abuse, adds to the growing literature demonstrating deleterious outcomes associated with corporal punishment. PMID- 29217101 TI - A Novel In Situ Simulation Intervention Used to Mitigate an Outbreak of Methicillin-Resistant Staphylococcus aureus in a Neonatal Intensive Care Unit. AB - OBJECTIVE: To describe the successful implementation of an in situ simulation program to diagnose and correct latent safety threats in a level 4 neonatal intensive care unit (NICU) to mitigate a methicillin-resistant Staphylococcus aureus (MRSA) outbreak. STUDY DESIGN: An investigational report describes a simulation intervention that occurred during a 4-month MRSA outbreak in a single center, 46-bed, newly renovated level 4 NICU. The simulation program was developed for all NICU providers in which they were exposed to a 30-minute in situ human simulation intervention that included education, evaluation, and debriefing to resolve perceived or observed latent safety threats. The primary study outcome was improved hand hygiene compliance and an enhanced estimate of the culture of safety during a 6-month period. RESULTS: A total of 99 healthcare providers including physicians, nurses, respiratory therapists, and environmental service workers completed the course. Before the simulation intervention, there were 18 patients colonized or infected with a single MRSA clone; after the intervention, there were no new episodes of colonization or infection. CONCLUSIONS: An in situ, simulation-based intervention can counter threats to patient safety related to workflow and lapses in infection control practices and improve patient outcomes. PMID- 29217102 TI - Papular Purpuric Gloves and Socks Syndrome because of a Mycoplasma Infection. PMID- 29217103 TI - Coming to Terms with Cardiovascular Morbidity after Early Term Birth. PMID- 29217104 TI - [Does tocilizumab mean the end of glucocorticoids in giant cell arteritis?] PMID- 29217105 TI - Influence of muscle strength on early mobility in critically ill adult patients: Systematic literature review. AB - BACKGROUND: Muscle strength may be one indicator of readiness to mobilize that can be used to guide decisions regarding early mobility efforts and to progressively advance mobilization. OBJECTIVES: To provide a synthesis of current measures of muscle strength in the assessment of early mobilization in critically ill adult patients who are receiving MV therapy. METHODS: Research studies conducted between 2000-2015 were identified using PubMed, CINHAL, MEDLINE, and the Cochrane Database of Systematic Reviews databases using the search terms "muscle strength", "intensive care", "mechanical ventilation" and "muscle weakness". RESULTS: Nine articles used manual muscle testing, the Medical Research Council scale and/or hand-held dynamometer to provide objective measures for assessing muscle strength in the critically ill adult patient population. CONCLUSIONS: Further research is needed to examine the application of standardized measures of muscle strength for guiding decisions regarding early and progressive advancement of mobility goals in adult ICU patients on MV. PMID- 29217106 TI - A novel mortality prediction model for the current population in an adult intensive care unit. AB - BACKGROUND: The accurate and reliable mortality prediction is very useful, in critical care medicine. There are various new variables proposed in the literature that could potentially increase the predictive ability for death in ICU of the new predictive scoring model. OBJECTIVE: To develop and validate a new intensive care unit (ICU) mortality prediction model, using data that are routinely collected during the first 24 h of ICU admission, and compare its performance to the most widely used conventional scoring systems. METHODS: Prospective observational study in a medical/surgical, multidisciplinary ICU, using multivariate logistic regression modeling. The new model was developed using data from a medical record review of 400 adult intensive care unit patients and was validated on a separate sample of 36 patients, to accurately predict mortality in ICU. RESULTS: The new model is simple, flexible and shows improved performance (ROC AUC = 0.85, SMR = 1.25), compared to the conventional scoring models (APACHE II: AUC = 0.76, SMR = 2.50, SAPS III: AUC = 0.76, SMR = 1.50), as well as higher predictive capability regarding ICU mortality (predicted mortality: 41.63 +/- 31.61, observed mortality: 41.67%). CONCLUSION: The newly developed model is a quite simple risk-adjusted outcome prediction tool based on 12 routinely collected demographic and clinical variables obtained from the medical record data. It appears to be a reliable predictor of ICU mortality and is proposed for further investigation aiming at its evaluation, validation and applicability to other ICUs. PMID- 29217107 TI - The underlying physiological basis of the desert rodent Meriones shawi's survival to prolonged water deprivation: Central vasopressin regulation on peripheral kidney water channels AQPs-2. AB - Meriones shawi (M. shawi) is a particular semi-desert rodent known by its resistance to long periods of thirst. The aim of the present investigation is to clarify the underlying mechanisms allowing M. shawi to resist to hard conditions of dehydration. For this reason we used two different approaches: i) a morphometric study, which consists in measuring the effect of dehydration on body and kidneys weights as well as the report kidney weight/body weight, ii) By immunohistochemistry, we proceed to study the effect of dehydration on the immunoreactivity of central vasopressin (AVP) and the kidney aquaporin-2 (AQP-2) which is a channel protein that allows water to permeate across cell membranes. Our results showed both a body mass decrease accompanied by a remarkable kidneys hypertrophy. The immunohistochemical study showed a significant increase of AQP-2 immunoreactivity in the medullar part of Meriones kidneys allowing probably to Meriones a great ability to water retention. Consistently, we demonstrate that the increased AQP-2 expression occurred together with an increase in vasopressin (AVP) expression in both hypothalamic supraoptic (SON) and paraventricular nucleus (PVN), which are a major hub in the osmotic control circuitry. These various changes seen either in body weight and kidneys or at the cellular level might be the basis of peripheral control of body water homeostasis, providing to M. shawia strong resistance against chronic dehydration. PMID- 29217108 TI - Improved outcomes after heart transplantation for cardiac amyloidosis in the modern era. AB - BACKGROUND: Cardiac amyloidosis, caused most commonly by deposition of light chain (AL) or transthyretin (ATTR) type fibrils, has an extremely poor prognosis. In this retrospective single-center study, we evaluated temporal trends in survival after heart transplantation for cardiac amyloidosis. METHODS: We analyzed 48 patients with cardiac amyloidosis (AL, n = 32; familial ATTR, n = 16) who underwent heart transplantation from May 2002 to March 2017. Patients were analysed in 2 periods, Era 1 (2002- 2007) and Era 2 (2008- 2017), separated by altered patient selection in both, AL and ATTR amyloidosis, and changed chemotherapy regimens for AL amyloidosis. RESULTS: The modern era was characterized by a lower number of extracardiac organ involvement for AL (94% isolated cardiac amyloidosis in Era 2 vs 56% in Era 1; p = 0.0221), and more frequent treatment for AL with the proteasome inhibitor bortezomib (94% in Era 2 vs 6% in Era 1; p < 0.0001). AL patients had significantly lower survival than patients with non-amyloid cardiomyopathy after heart transplantation in Era 1, and ATTR patients had numerically lower survival. However, survival in the modern era was comparable to non-amyloid transplants in both cohorts, possibly reflecting a shift in chemotherapy strategies and patient selection, respectively. CONCLUSIONS: In the current era, use of enhanced chemotherapy regimens for isolated advanced AL cardiac amyloidosis was associated with outcomes comparable to non-amyloid cardiomyopathy. We conclude that heart transplantation in highly selected patients with isolated non-systemic advanced cardiac amyloidosis may be a feasible approach. PMID- 29217109 TI - High prevalence of skin cancers and actinic keratoses in lung transplant recipients. PMID- 29217110 TI - End-stage renal disease after pediatric heart transplantation: A 25-year national cohort study. PMID- 29217111 TI - Tackling the challenge of multi-morbidity: Actions for health policy and research. PMID- 29217112 TI - Assessment of left atrial function by three-dimensional speckle-tracking in cardiomyopathies: A step forward? PMID- 29217113 TI - Simultaneous determination of borate, chloride and molybdate in pyrohydrolysis distillates of plant and soil samples by ion chromatography. AB - Determination of concentrations of micronutrients in plant samples is important in order to assess the growth and quality of plants. An ion chromatography (IC) method was developed for the simultaneous determination of B, Cl and Mo (micronutrients present in their anionic form in aqueous samples) using a gradient elution with d-mannitol and NaOH. Despite their different chemical nature, these elements could be separated from the matrix by employing pyrohydrolysis. IC was employed for their sequential determination from single aliquot injection into the IC column. It was observed that the optimised procedures developed earlier in our laboratory for the separation of B and halogens using d-Mannitol-NaOH or bicarbonate eluents could not be extended to B Mo-Cl separation. The concentration levels of d-mannitol in the eluent required for separation of boron impeded the conductivity detection of Mo and the peak sensitivity was seen to be critically dependent on d-mannitol concentration in the eluent. In addition, d-mannitol in NaOH eluent altered the retention times of analytes (B, F-, Cl-, NO3-, SO42-and MoO42-) which were not observed in the case of bicarbonate eluent. The current study deals with the investigation on the influence of d-mannitol on the molybdate as well as its role on the retention time. Formation of Mo-mannitol complex at different pH conditions and de protonation of mannitol were correlated to the observed effects. Based on the observations, a gradient elution method was proposed for the simultaneous separation and determination of B, Cl and Mo in the pyrohydrolysis distillates of plant samples. The method was calibrated for B (0.05-1 mg/L), Cl (0.1-10 mg/L) and Mo (0.5-10 mg/L) and the linear regression coefficients obtained were 0.9992, 0.9998 and 0.997 respectively. The limit of detection (LOD) for B, Cl and Mo was calculated to be 19, 23 and 96 MUg/L, respectively. The developed IC method after pyrohydrolytic separation of B, Cl and Mo was successfully applied for the analysis of real samples. PMID- 29217114 TI - Identification of bacterial uropathogens by preparative isoelectric focusing and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. AB - This study describes a new method for simultaneous identification of uropathogens in the case of polybacterial urinary tract infections. The method utilizes recently developed preparative isoelectric focusing (IEF) in cellulose-based separation medium with a subsequent analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Preparative IEF was successfully used for both purification and separation of bacteria, Escherichia coli (pI 4.6) and Staphylococcus aureus (pI 3.4), in urine samples. The focused zones of bacteria, localized by the positions of focused colored pI markers, were easily collected from the separation media after the IEF analysis and then unambiguously identified by MALDI-TOF MS. The proposed method enables the identification of bacteria in urine specimens when the concentration of individual bacteria is >=104 cells mL-1. Another benefit is the viability of bacteria extracted from the collected fractions after preparative IEF. PMID- 29217115 TI - [Psychosomatic symptoms as an expression of the deterioration of the health related quality of life in adolescents]. AB - AIM: To analyze, in a population of adolescents in school, the relationship between psychosomatic symptoms and the perception of health-related quality of life (HRQoL), differentiating by gender and age group. DESIGN: Transversal study. LOCATION: Five Secondary Schools. PARTICIPANTS: Eight hundred and forty four adolescents between the ages of 15 and 18 in secondary school. MAIN MEASUREMENTS: HRQoL using KIDSCREEN-52 and psychosomatic symptoms with the psychosomatic problems scale (PSP). RESULTS: Girls and adolescents aged 17-18 years presented significantly higher psychosomatic symptoms, both groups also scored worse in all dimensions of HRQoL, although only the dimensions related to physical and mental wellness, mood and stress reached significance. All psychosomatic symptoms were inversely associated with the ten dimensions of KIDSCREEN-52. The regression models showed that sadness, concentrating difficulties and sleeping difficulties were the predictors of worse HRQoL in both sexes and age groups and these variables explained between 30 and 41% of the HRQoL variance of the adolescents. CONCLUSIONS: Psychosomatic symptoms are frequent especially in girls and in older adolescents and predictors of worse HRQoL. It is important to distinguish them from medical conditions to avoid unnecessary interventions. As expressions of emotional discomfort they must be evaluated and treated in an integral way because they interfere with daily life and increase the vulnerability proper of adolescence. PMID- 29217116 TI - [Surveillance of antibiotic consumption in Spain: The importance of the DHD indicator]. PMID- 29217117 TI - Age of majority assessment in Dutch individuals based on Cameriere's third molar maturity index. AB - Radiological examination of the third molar is done in living individuals for estimation of chronological age, especially in the late adolescence. The aim of this study was to assess the application of Cameriere's third molar maturity index (I3M) to determine whether an individual is 18 years or older (adult) or younger than 18 years (minor) in a sample of Dutch individuals. The sample consisted of panoramic images of 360 individuals aged between 14 and 22 years old. Three observers performed the measurements. Gender was not statistically significant in discriminating adults and minors. The highest value of the Youden index of the receiver operating curve analysis was for the value of I3M<0.08 in discriminating individuals as minor or adult. The specificity (Sp) and sensitivity (Se) results for females were 96.3% and 72.7% respectively. The Sp and Se for males were 95.0% and 84.0% respectively. The probabilities of correctly classified individuals were 83.3% and 88.9%, and Bayes post-test probability was 96.3% and 95.7% in females and males respectively. Obtained results showed that the specific cut-off point of I3M<0.08 may be a useful and reliable method for adult age assessment in a Dutch population. PMID- 29217118 TI - Checkpoints in TNF-Induced Cell Death: Implications in Inflammation and Cancer. AB - Tumor necrosis factor (TNF) is a proinflammatory cytokine that coordinates tissue homeostasis by regulating cytokine production, cell survival, and cell death. However, how life and death decisions are made in response to TNF is poorly understood. Many inflammatory pathologies are now recognized to be driven by aberrant TNF-induced cell death, which, in most circumstances, depends on the kinase Receptor-interacting serine/threonine-protein kinase 1 (RIPK1). Recent advances have identified ubiquitin (Ub)-mediated phosphorylation of RIPK1 as belonging to crucial checkpoints for cell fate in inflammation and infection. A better understanding of these checkpoints might lead to new approaches for the treatment of chronic inflammatory diseases fueled by aberrant RIPK1-induced cell death, and/or reveal novel strategies for anticancer immunotherapies, harnessing the ability of RIPK1 to trigger immunogenic cell death. PMID- 29217120 TI - Hydric environmental effects on turtle development and sex ratio. AB - Experimental and field studies of different turtle species suggest that moisture influences embryonic development and sex ratios, wetter substrates tend to produce more males, and drier substrates produce more females. In this study, we used Trachemys scripta elegans to test the effect of moisture on embryonic development and sex ratios. T. s. elegans eggs were incubated under different temperature and moisture regimes. We monitored embryonic development until stage 22 (after sex determination) and, for the first time, we estimated sex ratios using a male-specific transcriptional molecular marker, Sox9. Among treatments, we found differences in developmental rates, egg mass, and sex ratio. Embryos developed slowly in cooler and wetter sand substrate while water uptake by the eggs was significantly greater on wetter substrates. Developmental differences were due to moisture interacting with temperature where increased water content of the sand resulted in temperatures that were 2-3 degrees C lower than air temperatures. The coolest and the wettest substrates produced 100% males compared to 42% males from the warmest and driest treatment. Further, we found that embryonic growth appears to be more sensitive to temperature at earlier stages of development and to moisture at later stages. This study shows how moisture may change the incubation conditions inside nests by changing the temperature experienced by eggs, which affects development, growth and sex ratios. The results of this study highlight the importance of including moisture conditions when predicting embryo growth and sex ratios and in developing proxies of embryonic development. PMID- 29217121 TI - Diagnostic and treatment effects of sialendoscopy for patients with swelling of the parotid gland when sialoliths are undetected with computed tomography. AB - Between August 2009 and May 2016, 74 patients underwent sialoendoscopic surgery. 32 patients had parotid gland disease and 9 patients had intermittent swelling of the parotid gland and sialoliths were not detected with CT imaging. 4 patients were diagnosed with idiopathic Stensen's duct stenosis. Sialendoscopy directly confirmed Stensen's duct stenosis in 2 patients. However, the sialendoscope was unable to be inserted in the other 2 patients, who had stenosis of the orifice of the Stensen's duct. Balloon expansion of the duct was performed in these 2 patients and a steroid drug was injected into the duct in one patient. Complete remission was archived in one patient treated with sialendoscopy. Three patients had sialolithiasis. Microsialoliths and/or white floating matter was observed and removed using sialendoscopy. All patients experienced complete remission. In cases of Sjogren syndrome and recurrent parotitis, sialendoscopic surgery was performed, but the symptoms showed no improvement. For patients with microsialoliths, sialendoscopy may be most useful for diagnosis and treatment when the sialoliths are not detected with CT imaging. At present, sialendoscopic surgery have limitation in the treatment of Stensen's duct stenosis and may similarly have limitation in the treatment of Sjogren's syndrome and recurrent parotitis. PMID- 29217119 TI - Panomics for Precision Medicine. AB - Medicine is poised to undergo a digital transformation. High-throughput platforms are creating terabytes of genomic, transcriptomic, proteomic, and metabolomic data. The challenge is to interpret these data in a meaningful manner - to uncover relationships that are not readily apparent between molecular profiles and states of health or disease. This will require the development of novel data pipelines and computational tools. The combined analysis of multi-dimensional data is referred to as 'panomics'. The ultimate hope of integrative panomics is that it will lead to the discovery and application of novel markers and targeted therapeutics that drive forward a new era of 'precision medicine' where inter individual variation is accounted for in the treatment of patients. PMID- 29217122 TI - Phase I-III development of the EORTC QLQ-ANL27, a health-related quality of life questionnaire for anal cancer. AB - BACKGROUND AND PURPOSE: There is currently no health-related quality of life (HRQoL) measure specific to anal cancer. Our objective was to develop an anal cancer HRQoL module to supplement the EORTC QLQ-C30 questionnaire using EORTC Quality of Life Group Guidelines. MATERIALS AND METHOD: In order to generate a list of HRQoL issues facing anal cancer patients treated with chemoradiotherapy (CRT), we systematically reviewed the literature and conducted semi-structured interviews with patients and health care professionals (HCPs). Our list was then operationalised into questions using the EORTC Item Library. The provisional question list was pilot tested alongside the EORTC QLQ-C30 with patients from 11 centres across 8 countries. RESULTS: From our literature review and interviews with 43 patients, we generated a list of 197 issues. The list was then refined to 134 issues and reviewed by 34 HCPs and 10 patients. This review resulted in the retention of 65 issues which were used in the draft questionnaire tested by 100 patients. Our analyses led to the modification and removal of questions resulting in a 27 item questionnaire, the EORTC QLQ-ANL27. CONCLUSION: We have developed a 27 item questionnaire to supplement the EORTC QLQ-C30, for use with patients treated for anal cancer. This has been pilot tested and is now available upon request for use in clinical trials as well as clinical practice in 8 languages (http://groups.eortc.be/qol/). PMID- 29217123 TI - Food Insecurity and the Nutrition Care Process: Practical Applications for Dietetics Practitioners. PMID- 29217124 TI - Analysis of the mixing performance of a full-scale membrane bioreactor for municipal wastewater treatment. AB - High energy consumption remains to be a key problem for application of membrane bioreactor (MBR). Optimization of MBR to save energy requires a compressive understanding of the performance of the reactor, among which the mixing performance is a significant parameter, however received little attention. In this study, a tracer experiment was carried out in a full-scale MBR for municipal wastewater treatment in China. The mixing performance of both the entire plant and the membrane tanks were evaluated. The entire plant was found to be a cascade of 2.15 continuous stirred tank reactors (CSTRs) with 8.02% of dead zones. The membrane tanks were also found to deviate from CSTR. The mixing energy was analyzed and compared with literature data from three aspects: the specific power used per unit of tank volume (Ps,v), per unit of permeate volume (Ps,p), and per unit of membrane area (Ps,m). PMID- 29217125 TI - Designing a CO2 supply strategy for microalgal biodiesel production under diurnal light in a cylindrical-membrane photobioreactor. AB - A cylindrical membrane photobioreactor with high CO2 mass transfer coefficient was designed and installed under customized unidirectional lighting. Combinatorial effect of light and CO2 on the growth of Chlorella sp. FC2 IITG was studied and an optimal CO2 supply without pH control strategy was developed under diurnal light similar to sunlight (17-2000-17 uE m-2 s-1). Unprecedentedly, broad range of saturated light levels (700-1500 uE m-2 s-1), reversible photoinhibition, no pH control requirement and dark-phase growth were noticed altogether in the strain. Under diurnal light, final biomass titer of 5.79 g L-1 and overall biomass productivity of 1.29 g L-1 day-1 were observed. The results were similar to optimal light (1130 uE m-2 s-1) and CO2 (2%) conditions. Subsequently, a highest FAME productivity of 265 mg L-1 day-1 was observed in last two days of lipid induction phase. PMID- 29217126 TI - Fast protocol for the production of Histoplasma capsulatum antigens for antibody detection in the immunodiagnosis of histoplasmosis. AB - BACKGROUND: Current methods for the production of Histoplasma capsulatum antigens are problematic in terms of standardization, specificity, stability, repeatability and reproducibility. AIMS: In this study, we sought to optimize the methodology for producing H. capsulatum antigens, and to evaluate its applicability. METHODS: Antigenic preparations obtained from 12 H. capsulatum isolates were evaluated by double immunodiffusion and immunoblotting assays against homologous and heterologous sera. RESULTS: The evaluated and optimized protocol allowed a more stable production, as well as repeatable, reproducible, with shorter culture time and less costly. By double immunodiffusion and immunoblotting assays, the best pattern of reactivity was observed for antigens obtained with 33 days of culture from the isolates 200 and 406 against the M antigen and for the isolate 200 with 15 days against H antigen. The SDS-PAGE presented antigenic components of molecular masses between 17 and 119kDa. The immunoblotting sensitivity was 95.5% and 100% with histoplasmosis sera from ill patients and sera from H. capsulatum infected but otherwise healthy patients, respectively, to the antigen derived from isolates 200 and 406. CONCLUSIONS: We suggest the employment of the antigen from isolate 200, with 15 or 30 days of culture, in the double immunodiffusion and immunoblotting assays due to its good ability to discriminate both sera from patients with histoplasmosis illness and histoplasmosis infection, in addition to its high specificity against heterologous sera. PMID- 29217127 TI - Epigenome in Early Mammalian Development: Inheritance, Reprogramming and Establishment. AB - Drastic epigenetic reprogramming takes place during preimplantation development, leading to the conversion of terminally differentiated gametes to a totipotent embryo. Deficiencies in remodeling of the epigenomes can cause severe developmental defects, including embryonic lethality. However, how chromatin modifications and chromatin organization are reprogrammed upon fertilization in mammals has long remained elusive. Here, we review recent progress in understanding how the epigenome is dynamically regulated during early mammalian development. The latest studies, including many from genome-wide perspectives, have revealed unusual principles of reprogramming for histone modifications, chromatin accessibility, and 3D chromatin architecture. These advances have shed light on the regulatory network controlling the earliest development and maternal zygotic transition. PMID- 29217128 TI - Circulating irisin in patients with polycystic ovary syndrome: a meta-analysis. AB - There is growing interest in exploring circulating (plasma/serum) irisin in polycystic ovary syndrome (PCOS) patients. This meta-analysis aimed to summarize the evidence assessing circulating irisin changes in this population. A systematic search was conducted in three databases: PubMed, Cochrane Library and Web of Science, for studies reporting irisin in PCOS patients compared with healthy controls or stratified by body mass index (BMI), or assessing irisin response to hyperinsulinemia. Effect sizes (Cohen's d with 95% confidence intervals [CI]) were calculated using random-effects models. Eight studies with 918 PCOS patients and 528 healthy controls were included. Results showed that circulating irisin was higher in PCOS patients than in overall healthy controls (d = 0.37, 95% CI 0.05 to 0.70), but not compared with BMI-matched or age- and BMI-matched controls. Circulating irisin was higher in PCOS patients with higher BMI than lower (d = 0.36, 95% CI 0.16 to 0.56). Circulating irisin decreased 2 h later in response to euglycemic hyperinsulinemia in PCOS patients with a larger magnitude than healthy controls (d = -0.32, 95% CI -0.53 to -0.11). In summary, with adjustment for BMI, circulating irisin in PCOS patients seems comparable to healthy controls, but its response to hyperinsulinemia might be impaired. PMID- 29217129 TI - Long alimentary limb duodenal switch (LADS): a short-term prospective randomized trial. AB - BACKGROUND: Biliopancreatic diversion with duodenal switch (BPD-DS) is one of the most effective bariatric surgeries, in terms of weight loss and remission of co morbidities. It is however associated with a significant risk of protein and nutritional deficiency, as well as gastrointestinal side effects. OBJECTIVES: To assess the effect of increasing the strict alimentary limb on weight loss, nutritional deficiency and quality of life, compared with standard BPD-DS. SETTINGS: University-affiliated tertiary care center. METHODS: Prospective randomized double blind (patient-evaluator) trial in which patients were assigned in a 1:1 ratio to undergo a modified BPD-DS with a long alimentary limb (1 m from Treitz ligament, n = 10) or a standard biliopancreatic diversion (strict alimentary limb of 1.5 m, n = 10). Common channel was kept at 100 cm in both groups. Follow-up at 12 months was completed in all patients. RESULTS: Initial weight (126 +/- 10 versus 125 +/- 17, P = .92), age (40 +/- 7 versus 37 +/- 8, P = .35), and sex ratio (1 female/9 males) were similar in both groups. Excess weight loss and total weight loss were significantly higher in the standard BPD DS group (93.4 +/- 12% versus 73.3 +/- 7%, P = .0007 and 46 +/- 5.6% versus 37 +/ 3.4%, P = .0004). The study group had significantly higher vitamin D, manganese, and copper levels at 12 months. Both groups had similar drop in glycated hemoglobin, cholesterol levels, and resolution of co-morbidities at 12 months. Long alimentary limb was associated with significantly less bowel movements a day (1.6 +/- .97 versus 2.55 +/- 1.01, P = .01), less gastrointestinal side effects (bloating and gas, P<.05) and required less pancreatic enzymes supplements (0 versus 40%, P = .04) and calcium supplement. Quality of life was significantly improved in both groups in all domains (all P<.05). CONCLUSION: At 12 months, weight loss was lesser in the long alimentary limb group. There was however no difference in the remission of co-morbidities and higher levels of vitamin D, manganese, and copper. Gastrointestinal adverse effects and the need for pancreatic enzymes were less with similarly excellent quality of life at 12 months. Longer follow-up is necessary to evaluate long-term weight loss and nutritional deficiencies. PMID- 29217130 TI - Resected gastric volume has no influence on early weight loss after laparoscopic sleeve gastrectomy. AB - BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) has become a popular procedure for treatment of obesity, but it is still undecided whether resected gastric volume (RGV) is related to weight loss after LSG. OBJECTIVE: The aim of this study was to investigate the influence of RGV and other factors on weight loss at 1 year after LSG in a Chinese population. SETTING: University Hospital, China. METHODS: A total of 53 patients who underwent LSG between August 2015 and July 2016 were enrolled. The LSG procedure and RGV measurement were performed using standardized techniques. Patients were followed-up every 3 months in the first year and 6 monthly after that. Correlations between the percentage of excess weight loss at 1 year (%EWL-1 yr) and RGV and other parameters were evaluated. RESULTS: All patients completed at least 1 year of follow-up. No major complications or cases of underweight were seen. Mean body mass index (BMI) at 1 year after LSG was significantly lower than the baseline BMI (31.1 +/- 3.8 kg/m2 versus 39.0 +/- 6.6 kg/m2; P<.001). Mean %EWL-1 yr was 58.8%, and mean RGV was 862.6 +/- 209.5 mL. No correlation was observed between %EWL-1 yr and RGV (r = 0.071; P = .613). The %EWL-1 yr was correlated with preoperative weight, BMI, RGV/weight, and RGV/BMI. RGV was positively correlated with preoperative weight and BMI. Patients who achieved satisfactory weight loss (%EWL >=50%) had significantly lower baseline BMI, and higher RGV/weight and RGV/BMI, than those who had inadequate weight loss. However, RGV was not significantly different between the 2 groups. CONCLUSIONS: Weight loss effect at 1 year after LSG was not associated with RGV in this Chinese population. RGV was influenced by the weight and BMI. PMID- 29217131 TI - Omega-loop gastric bypass is more effective for weight loss but negatively impacts liver enzymes: a registry-based comprehensive first-year analysis. AB - BACKGROUND: The impact of omega-loop gastric bypass (OLGB) on weight loss and liver enzymes remains inconclusive. OBJECTIVE: The aim of this study was to compare the impact of sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and OLGB on weight loss and liver enzyme levels. SETTING: National Bariatric Surgery Registry. METHODS: The study included 10,675 cases of SG, 1590 cases of RYGB, and 469 cases of OLGB that had available baseline and 1-year (12 +/- 2 mo) follow-up data. RESULTS: The highest percentage of excess weight loss was achieved by the OLGB group (84.5% +/- 26.7%), followed by the SG (78.5% +/- 26.0%) and RYGB (72.0% +/- 26.5%) groups (P<.05). The data show that 10% of OLGB cases, 5.2% of RYGB cases, and 1.9% of SG cases (P<.001) had increases in alanine aminotransferase levels, from a normal baseline mean of 23.9 +/- 7.5 U/L to an abnormal mean of 64.8.7 +/- 66.0 U/L, at follow-up. Similar trends were observed for aspartate aminotransferase and alkaline phosphatase. A regression analysis showed that OLGB was a predictive risk factor for normal baseline alanine aminotransferase levels becoming abnormal postoperatively compared with SG (odds ratio [OR] = 5.65) or RYGB (OR = 2.08) (P<.001). Similarly, OLGB was a predictive risk factor for baseline aspartate aminotransferase and alkaline phosphatase levels becoming abnormal postoperatively. Female sex was the only other meaningful predictive risk of alanine aminotransferase (OR = 2.45) and aspartate aminotransferase (OR = 1.82) becoming abnormal postoperatively. CONCLUSION: This study confirmed the strengths of OLGB weight loss outcomes but also demonstrated its negative impact on liver enzymes. Thus, patients and caregivers should be informed of the risks, and close follow-up is warranted. PMID- 29217132 TI - Mobile phone sensors and supervised machine learning to identify alcohol use events in young adults: Implications for just-in-time adaptive interventions. AB - BACKGROUND: Real-time detection of drinking could improve timely delivery of interventions aimed at reducing alcohol consumption and alcohol-related injury, but existing detection methods are burdensome or impractical. OBJECTIVE: To evaluate whether phone sensor data and machine learning models are useful to detect alcohol use events, and to discuss implications of these results for just in-time mobile interventions. METHODS: 38 non-treatment seeking young adult heavy drinkers downloaded AWARE app (which continuously collected mobile phone sensor data), and reported alcohol consumption (number of drinks, start/end time of prior day's drinking) for 28days. We tested various machine learning models using the 20 most informative sensor features to classify time periods as non-drinking, low-risk (1 to 3/4 drinks per occasion for women/men), and high-risk drinking (>4/5 drinks per occasion for women/men). RESULTS: Among 30 participants in the analyses, 207 non-drinking, 41 low-risk, and 45 high-risk drinking episodes were reported. A Random Forest model using 30-min windows with 1day of historical data performed best for detecting high-risk drinking, correctly classifying high-risk drinking windows 90.9% of the time. The most informative sensor features were related to time (i.e., day of week, time of day), movement (e.g., change in activities), device usage (e.g., screen duration), and communication (e.g., call duration, typing speed). CONCLUSIONS: Preliminary evidence suggests that sensor data captured from mobile phones of young adults is useful in building accurate models to detect periods of high-risk drinking. Interventions using mobile phone sensor features could trigger delivery of a range of interventions to potentially improve effectiveness. PMID- 29217133 TI - Prostaglandin E2 suppresses human group 2 innate lymphoid cell function. AB - BACKGROUND: Group 2 innate lymphoid cells (ILC2s) are involved in the initial phase of type 2 inflammation and can amplify allergic immune responses by orchestrating other type 2 immune cells. Prostaglandin (PG) E2 is a bioactive lipid that plays protective roles in the lung, particularly during allergic inflammation. OBJECTIVE: We set out to investigate how PGE2 regulates human ILC2 function. METHODS: The effects of PGE2 on human ILC2 proliferation and intracellular cytokine and transcription factor expression were assessed by means of flow cytometry. Cytokine production was measured by using ELISA, and real-time quantitative PCR was performed to detect PGE2 receptor expression. RESULTS: PGE2 inhibited GATA-3 expression, as well as production of the type 2 cytokines IL-5 and IL-13, from human tonsillar and blood ILC2s in response to stimulation with a combination of IL-25, IL-33, thymic stromal lymphopoietin, and IL-2. Furthermore, PGE2 downregulated the expression of IL-2 receptor alpha (CD25). In line with this observation, PGE2 decreased ILC2 proliferation. These effects were mediated by the combined action of E-type prostanoid receptor (EP) 2 and EP4 receptors, which were specifically expressed on ILC2s. CONCLUSION: Our findings reveal that PGE2 limits ILC2 activation and propose that selective EP2 and EP4 receptor agonists might serve as a promising therapeutic approach in treating allergic diseases by suppressing ILC2 function. PMID- 29217134 TI - Reirradiation with concurrent bevacizumab for recurrent high-grade gliomas in adult patients. AB - PURPOSE: To analyse feasibility, prognostic factors and patterns of recurrence after concurrent reirradiation and bevacizumab for recurrent high-grade gliomas. PATIENTS AND METHODS: Between 2009 and 2015, 35 patients (median 57-year-old; 21 men, 14 women) with WHO grade III (n=11) or grade IV (n=24) gliomas were included in this retrospective and consecutive single-centre study. All patients received bevacizumab (median number of treatments: 12) concomitant with reirradiation (median dose: 45Gy, median number of fractions: 18) for recurrence with median 22 months (range: 5.6-123.7 months) from first irradiation (median dose: 60Gy). RESULTS: The median follow-up was 9.2 months from reirradiation. The median overall survival from reirradiation was 10.5 months (95% confidence interval [95% CI]: 4.9-16.1) and the progression-free survival from reirradiation was 6.7 months (95% CI: 2.9-10.5). The median overall survival from initial diagnosis was 44.6 months (95% CI: 32-57.1). No grade 3 toxicity or above was reported. Prognostic factors significantly correlated with better overall survival in univariate analysis were: age at least 55 (P=0.024), initial surgery (P=0.003), and 2Gy equivalent dose (EQD2) at least 50Gy at reirradiation (P=0.046). Twenty two patients bevacizumab-naive at time of reirradiation had a significantly increased overall survival from reirradiation compared to patients treated with reirradiation after bevacizumab failure (17.7 vs. 5.4 months, P<0.001) as well as overall survival from initial diagnosis (58.9 vs. 33.5 months, P=0.006). This outcome was similar in patients with initial glioblastomas (P=0.018) or anaplastic gliomas (P=0.021). There was no correlation between overall survival and gross tumour volume or planning target volume, frontal localization, or number of salvage therapies before reirradiation (P>0.05). CONCLUSIONS: Concomitant reirradiation with bevacizumab in high-grade recurrent gliomas shows encouraging results in terms of survival and toxicities. Our data suggest that reirradiation should be favoured at initiation of bevacizumab, with EQD2 at least 50Gy. PMID- 29217136 TI - "Is it Sjogren's syndrome or burning mouth syndrome? Distinct pathoses with similar oral symptoms"-a commentary. PMID- 29217135 TI - MicroRNA-145 Impedes Thrombus Formation via Targeting Tissue Factor in Venous Thrombosis. AB - Venous thromboembolism (VTE), the third leading cardiovascular complication, requires more understanding at molecular levels. Here, we have identified miR-145 as a key molecule for regulating thrombus formation in venous thrombosis (VT) employing network based bioinformatics approach and in vivo experiments. Levels of miR-145 showed an inverse correlation with thrombus load determined by coagulation variables. MiRNA target prediction tools and in vitro study identified tissue factor (TF) as a target gene for miR-145. The restoration of miR-145 levels in thrombotic animals via in vivo miR-145 mimic delivery resulted in decreased TF level and activity, accompanied by reduced thrombogenesis. MiR 145 levels were also reduced in VT patients and correlated with increased TF levels in patients, thereby, confirming our preclinical findings. Our study identifies a previously undescribed role of miRNA in VT by regulating TF expression. Therefore, restoration of miR-145 levels may serve as a promising therapeutic strategy for management of VT. PMID- 29217137 TI - Atorvastatin affects negatively respiratory function of isolated endothelial mitochondria. AB - The purpose of this research was to elucidate the direct effects of two popular blood cholesterol-lowering drugs used to treat cardiovascular diseases, atorvastatin and pravastatin, on respiratory function, membrane potential, and reactive oxygen species formation in mitochondria isolated from human umbilical vein endothelial cells (EA.hy926 cell line). Hydrophilic pravastatin did not significantly affect endothelial mitochondria function. In contrast, hydrophobic calcium-containing atorvastatin induced a loss of outer mitochondrial membrane integrity, an increase in hydrogen peroxide formation, and reductions in maximal (phosphorylating or uncoupled) respiratory rate, membrane potential and oxidative phosphorylation efficiency. The atorvastatin-induced changes indicate an impairment of mitochondrial function at the level of ATP synthesis and at the level of the respiratory chain, likely at complex I and complex III. The atorvastatin action on endothelial mitochondria was highly dependent on calcium ions and led to a disturbance in mitochondrial calcium homeostasis. Uptake of calcium ions included in atorvastatin molecule induced mitochondrial uncoupling that enhanced the inhibition of the mitochondrial respiratory chain by atorvastatin. Our results indicate that hydrophobic calcium-containing atorvastatin, widely used as anti-atherosclerotic agent, has a direct negative action on isolated endothelial mitochondria. PMID- 29217138 TI - Durable remission for a woman with refractory choriocarcinoma treated with anti endoglin monoclonal antibody and bevacizumab: A case from the New England Trophoblastic Disease Center, Brigham and Women's Hospital and Dana-Farber Cancer Institute. AB - A 36-year-old with metastatic and refractory choriocarcinoma following single- and multi-agent chemotherapy and surgical metastectomy experienced a durable remission after receiving therapy with an anti-endoglin monoclonal antibody and bevacizumab. Treatment options and scientific advances in this disease are highlighted. PMID- 29217139 TI - ER and PR expression and survival after endometrial cancer. AB - OBJECTIVE: To measure association between endometrial carcinoma ER and PR status and endometrial cancer (EC) survival, accounting for inter-observer variation. METHODS: The intensity and proportion of tumor cell expression of ER and PR in ECs were assessed independently and semi-quantitatively by two pathologists using digital images of duplicate tumor tissue microarrays (TMAs). Cases with inconsistent initial assessment were reviewed and final scoring agreed. The association between overall and EC-specific survival and hormone receptor expression (intensity, proportion and combined) was assessed using Cox regression analysis. The C-index was used to evaluate model discrimination with addition of ER and PR status. RESULTS: Tumor ER and PR analysis was possible in 659 TMAs from 255 patients, and in 459 TMAs from 243 patients, respectively. Initial ER and PR scoring was consistent in 82% and 80% of cases, respectively. In multivariate analyses decreased ER and PR expression was associated with increased tumor related mortality. Associations reached statistical significance for ER proportion score (P=0.05), ER intensity score (P=0.003), and PR combined score (P=0.04). Decreased expression of combined ER/PR expression was associated with poorer EC-specific survival than decreased expression of either hormone receptor alone (P=0.005). However, hormone receptor status did not significantly improve mortality prediction in individual cases. CONCLUSION: ER and PR expression combined, using cut-points that capture variation in scoring and across cores, is significantly associated with EC-specific survival in analyses adjusting for known prognostic factors. However, at the individual level, ER and PR expression does not improve mortality prediction. PMID- 29217140 TI - Inhibition of canonical WNT signaling pathway by beta-catenin/CBP inhibitor ICG 001 ameliorates liver fibrosis in vivo through suppression of stromal CXCL12. AB - Quiescent hepatic stellate cells (HSCs), in response to liver injury, undergo characteristic morphological transformation into proliferative, contractile and ECM-producing myofibroblasts. In this study, we investigated the implication of canonical Wnt signaling pathway in HSCs and liver fibrogenesis. Canonical Wnt signaling pathway activation and inhibition using beta-catenin/CBP inhibitor ICG001 was examined in-vitro in TGFbeta-activated 3T3, LX2, primary human HSCs, and in-vivo in CCl4-induced acute liver injury mouse model. Fibroblasts conditioned medium studies were performed to assess the Wnt-regulated paracrine factors involved in crosstalk between HSCs-macrophages and HSCs-endothelial cells. Canonical Wnt signaling pathway components were significantly up-regulated in-vitro and in-vivo. In-vitro, ICG-001 significantly inhibited fibrotic parameters, 3D-collagen contractility and wound healing. Conditioned medium induced fibroblasts-mediated macrophage and endothelial cells activation was significantly inhibited by ICG-001. In-vivo, ICG-001 significantly attenuated collagen accumulation and HSC activation. Interestingly, ICG-001 drastically inhibited macrophage infiltration, intrahepatic inflammation and angiogenesis. We further analyzed the paracrine factors involved in Wnt-mediated effects and found CXCL12 was significantly suppressed both in-vitro and in-vivo following Wnt inhibition. Wnt-regulated CXCL12 secretion from activated HSCs potentiated macrophage infiltration and activation, and angiogenesis. Pharmacological inhibition of canonical Wnt signaling pathway via suppression of stromal CXCL12 suggests a potential therapeutic approach targeting activated HSCs in liver fibrosis. PMID- 29217141 TI - Psychometric properties of the Chinese version of the Dutch Eating Behavior Questionnaire in a sample of Taiwanese parents. AB - The Dutch Eating Behavior Questionnaire (DEBQ) appraises overeating styles that may contribute to weight gain in adults. The purpose of this analysis was to assess the psychometric properties of a Chinese version of the DEBQ (C-DEBQ) in a sample of parents of school-age children in Taiwan. The C-DEBQ encompassing three subscales that including emotional eating, external eating, and restrained eating. Each subscale's reliability was assessed with Cronbach's alpha internal consistency. Confirmatory factor analysis (CFA) was conducted to validate the model fit. A total of 340 normal weight and overweight parents of school-age children from various geographical locations in Taiwan participated in the study. Each subscale, emotional, external, and restrained eating, displayed good-to excellent internal consistency (Cronbach's alphas: .94, .81, and .89, respectively). CFA showed that the three-factor solution had close goodness-of fit to the data for supporting the factorial validity (x2=1239.03, df=488, p<.001, x2/df=2.54, root mean square error of approximation=.067, comparative fit index=.879, Tucker-Lewis index=.869). Findings suggest that the C-DEBQ is a psychometrically reliable and valid instrument with the potential to assess overeating styles in Taiwanese parents of school-age children. Replication studies with more age- and gender-diverse populations are needed to provide further evidence of construct validity for the Chinese version of the DEBQ. PMID- 29217142 TI - Pharmacist-led depression screening and intervention in an underserved, rural, and multi-ethnic diabetic population. AB - OBJECTIVES: To test the feasibility of implementation and integration of community pharmacist-led depression screening for patients with diabetes in an underserved rural area and to assess the response rate of prescribers to pharmacist-led depression screening and treatment recommendation. SETTING: Independent community pharmacy-run diabetes education center. PRACTICE DESCRIPTION: Clinical community pharmacy site on Maryland's Eastern Shore. PRACTICE INNOVATION: All patients with uncontrolled diabetes (A1C >7%) 18 years of age and older attending one or both diabetes self-management classes and diabetic counseling completed the Patient Health Questionnaire 9 (PHQ-9). Those with moderate to severe cognitive impairment or preexisting mental illness except for anxiety or untreated/undertreated depression were excluded from the results. A copy of the screening was faxed to the referring provider with an accompanying letter. Positive screening reports included a suggestion for further evaluation and possible pharmacologic treatment. EVALUATION: Data collected (PHQ-9 scores, provider response rate, and A1C) were analyzed with the use of appropriate evaluation tools. RESULTS: Of the 57 patients who took the screening, 11 (19.3%) were positive and 46 (80.7%) negative for possible depression. Responses were received from providers on 3 of the 11 patients who screened positive, and no providers initiated depression treatment. The site plans to continue data collection following this residency's completion to assess clinical impact. CONCLUSION: This model may be replicated at many community pharmacies to integrate a depression screening. Based on prescribers' response rate, faxing alone is not recommended as the primary communication with the provider, and an alternate method should be assessed to effectively recommend pharmacologic therapy for patients with positive depression screenings. PMID- 29217143 TI - Team work and collaborative practice agreements among pharmacists and nurse practitioners. AB - OBJECTIVES: The authors share their knowledge about partnering and establishing collaborative practice agreements with nurse practitioners. State laws and regulations were reviewed that affect pharmacists' ability to fully partner with nurse practitioners. SUMMARY: Nurse practitioners' role in primary care is growing, and, in many states, nurse practitioners practice independently. Collaborative practice agreements (CPAs) enable pharmacists to work with prescribers more efficiently. Pharmacists' and nurse practitioners' scope-of practice laws and regulations may prevent CPAs between pharmacists and nurse practitioners. State pharmacy practice acts were reviewed to demonstrate which states allow for partnership under a CPA. CONCLUSION: Pharmacists should consider opportunities to partner more closely with nurse practitioners to provide care, sometimes under a CPA. In states where laws or regulations prevent CPAs between pharmacists and nurse practitioners, pharmacists should advocate for policy change. PMID- 29217144 TI - Histatin-5 induces the reversal of Pdr5p mediated fluconazole resistance in Saccharomyces cerevisae. AB - BACKGROUND: Candidiasis is a major opportunistic fungal infection in humans. The low number of antifungal drugs available to treat Candida infections and the increasing incidence of multidrug resistant (MDR) strains point to an urgent need of identifying new therapeutic options. The role of salivary components can provide insights for the development of new methodologies of control. OBJECTIVE: The aim of this study was to evaluate the ability of histatin-5, a constitutive immunological peptide present in saliva, in reversing fungal MDR phenotype, using a resistant Saccharomyces cerevisiae strain as model of study. RESULTS: A total of 2.5MUg and 5MUg of histatin-5 revealed to be able to chemosensitize (to revert antifungal resistance) a MDR strain to fluconazole impairing its intrinsic resistance. The presence of histatin-5 decreased the strain growth when associated to fluconazole, and also assisted in the retention of rhodamine 6G within cell cytoplasm. The ATPase activity of Pdr5p, an ABC efflux transporter, was significantly reduced up to 65% within physiological concentration of the peptide. CONCLUSION: Results revealed that histatin-5 is able to revert MDR phenotype and may be considered a potential alternative MDR inhibitor. Since Pdr5p is homologous to Candida albicans CaCdr1p and CaCdr2p, data obtained might be extrapolated to these transporters, inferring that associating fluconazole and histatin-5 may be a useful tool to circumvent failure treatments of infections caused by Candida MDR strains. PMID- 29217145 TI - Neurodevelopmental synaptopathies: Insights from behaviour in rodent models of synapse gene mutations. AB - The genomic revolution has begun to unveil the enormous complexity and heterogeneity of the genetic basis of neurodevelopmental disorders such as such epilepsy, intellectual disability, autism spectrum disorder and schizophrenia. Increasingly, human mutations in synapse genes are being identified across these disorders. These neurodevelopmental synaptopathies highlight synaptic homeostasis pathways as a convergence point underlying disease mechanisms. Here, we review some of the key pre- and postsynaptic genes in which penetrant human mutations have been identified in neurodevelopmental disorders for which genetic rodent models have been generated. Specifically, we focus on the main behavioural phenotypes that have been documented in these animal models, to consolidate our current understanding of how synapse genes regulate key behavioural and cognitive domains. These studies provide insights into better understanding the basis of the overlapping genetic and cognitive heterogeneity observed in neurodevelopmental disorders. PMID- 29217146 TI - The association between adherence to a Mediterranean style diet and cognition in older people: The impact of medication. AB - BACKGROUND: Recent reviews indicate that adherence to a Mediterranean diet may be associated with better cognitive functioning. In assessing these relationships in older individuals, previous studies have not taken into account medication usage that may support or compromise cognitive functioning. OBJECTIVE: To investigate the association between adherence to a Mediterranean style diet, cognition and medication usage in cognitively healthy older individuals. DESIGN: Data were assessed from individuals aged 60-90 years (mean = 77.8 years, SD = 6.7) from 15 independent living aged care villages around Melbourne, Australia. Participants' diets were assessed using a food frequency questionnaire (FFQ). Cognition was assessed using reaction times from the Swinburne University Computerised Cognitive Assessment Battery (SUCCAB). Prescribed medications were recorded and analysed using binary measures. Cluster analyses were used to group participants in terms of cognitive measures and medications taken. Analyses controlled for age, gender, average daily kilojoule (kJ) intake and medication cluster. RESULTS: The relationship between cognitive speed clusters and medication clusters was significant (Chi-squared = 10.63, df = 3, p = 0.014). The odds ratio of 1.533 for average daily food intake suggested that for each additional kilojoule of average daily intake, the odds of belonging to the slower reaction time cluster increased by 53% and odds ratio of 0.573 for Mediterranean diet score suggested that for every additional unit, the odds of belonging to the slower reaction time cluster declined by 43%. The relationship between Mediterranean diet score and cognition was only significant when medication use was taken into account. CONCLUSION: These data demonstrate that when medications are considered, a higher Mediterranean diet score is associated with a faster response on cognitive function tests. The present findings also indicate that it is pertinent to take into account medication use when investigating relationships between dietary status and cognitive performance. PMID- 29217147 TI - A Study of the Natural History of Vitreomacular Traction Syndrome by OCT. AB - PURPOSE: To examine the natural history of vitreomacular traction syndrome (VMTS) in the absence of other ocular comorbidities. DESIGN: Retrospective clinical case series. PARTICIPANTS: A total of 183 eyes of 159 patients diagnosed with VMTS with no other ocular comorbidity. METHODS: Patients with VMTS were identified from an OCT database at Moorfields Eye Hospital, London. Sequential OCT scans and patient notes were reviewed over a minimum period of 6 months. Data collected included patient demographics, best-corrected visual acuity, and OCT features of vitreomacular adhesion. Contingency tests and binary logistic modeling were used to identify baseline predictors of stability and progression. MAIN OUTCOME MEASURES: The rates of spontaneous resolution (defined by release of traction), progression to full-thickness macular hole, and surgical intervention were analyzed. RESULTS: Presenting visual acuity was 0.3+/-0.3 logMAR units. The mean length of follow-up was 17.4+/-12.1 months. During this period, VMTS persisted in 60% and resolved in 20% (occurring on average at 15 months). Of the remainder, 12% developed a macular hole and 8% elected to proceed with surgery for symptoms. Focal adhesion <1500 MUm was present in 87%. A premacular membrane with macular pucker (PMM) was present in 20%. With persistent VMTS, vision and central foveal thickness remained unchanged. The relative risk of resolution increased in those cases with better presenting visual acuities, lesser foveal thicknesses, and no associated PMMs; vision significantly improved in those cases with resolution. CONCLUSIONS: VMTS persists in the majority of patients but despite this, visual acuities did not deteriorate significantly over the study period unless patients developed a full-thickness macular hole or required surgical intervention for symptoms. Resolution spontaneously occurred in 20%, with an improvement in vision. PMID- 29217148 TI - Ethnic Differences in the Prevalence and Risk Factors of Diabetic Retinopathy: The Singapore Epidemiology of Eye Diseases Study. AB - PURPOSE: To evaluate the prevalence and risk factors for diabetic retinopathy (DR) in the Singapore Epidemiology of Eye Diseases (SEED) Study. DESIGN: Population-based, cross-sectional study. PARTICIPANTS: Persons of Malay, Indian, and Chinese ethnicity aged 40+ years, living in Singapore. METHODS: Diabetes was defined as nonfasting plasma glucose >=200 mg/dl (11.1 mmol/l), glycated hemoglobin A1c (HbA1c) >6.5%, self-reported physician-diagnosed diabetes, or the use of glucose-lowering medication. Retinal photographs, were graded for the presence and severity of DR using the modified Airlie House classification system. MAIN OUTCOME MEASURES: Diabetic retinopathy, diabetic macular edema (DME), vision-threatening diabetic retinopathy (VTDR), defined as the presence of severe nonproliferative or proliferative DR, or clinically significant macular edema (CSME). RESULTS: Of the 10 033 subjects, 2877 (28.7%) had diabetes and gradable photographs for analysis. The overall age-standardized prevalence (95% confidence interval [CI]) was 28.2% (25.9-30.6) for any DR, 7.6% (6.5-9.0) for DME, and 7.7% (6.6-9.0) for VTDR. Indians had a higher prevalence of any DR (30.7% vs. 26.2% in Chinese and 25.5% in Malays, P = 0.012); a similar trend was noted for any DME (P = 0.001) and CSME (P = 0.032). Independent risk factors for any DR were Indian ethnicity (odds ratio [OR], 1.41; 95% CI, 1.09-1.83, vs. Chinese), diabetes duration (OR, 1.10; 95% CI, 1.08-1.11, per year), HbA1c (OR, 1.25; 95% CI, 1.18-1.32, per %), serum glucose (OR, 1.03; 95% CI, 1.00-1.06, per mmol/l), and systolic blood pressure (OR, 1.14; 95% CI, 1.09-1.19, per 10 mmHg). Diastolic blood pressure (OR, 0.74; 95% CI, 0.65-0.84, per 10 mmHg increase), total cholesterol (OR, 0.87; 95% CI, 0.80-0.95, per mmol/l increase), and low density lipoprotein (LDL) cholesterol (OR, 0.83; 95% CI, 0.74-0.92, per mmol/l increase) were associated with lower odds of any DR. Risk factors were largely similar across the 3 ethnic groups. CONCLUSIONS: Indian Singaporeans have a higher prevalence of DR and DME compared with Chinese and Malays. Major risk factors for DR in this study were similar across the 3 ethnic groups. Addressing these risk factors may reduce the impact of DR in Asia, regardless of ethnicity. PMID- 29217149 TI - Mucous Membrane Pemphigoid with Ocular Involvement: The Clinical Phenotype and Its Relationship to Direct Immunofluorescence Findings. AB - PURPOSE: This study explored the validity of the First International Consensus on Mucous Membrane Pemphigoid (MMP) guidance, which recommends that clinically indistinguishable patients, who have direct immunofluorescence (DIF)-negative biopsies, be excluded from a diagnosis of MMP. Misdiagnosis, or delayed diagnosis, of MMP with ocular involvement leads to the inappropriate use of topical therapy, the standard of care for causes of cicatrising conjunctivitis other than MMP, rather than systemic immunomodulatory therapy, resulting in irreversible clinical deterioration in patients with MMP. DESIGN: Prospective, cross-sectional study. PARTICIPANTS: Patients meeting the clinical criteria of ocular MMP, including those with positive and negative DIF findings. METHODS: A case report form was used to collect the demographic details, the clinical history, and the results of a detailed clinical assessment by ophthalmologists, otolaryngologists, dermatologists, and oral medicine specialists. All anatomic sites potentially affected by MMP were examined apart from the esophagus (and larynx in a subset). The DIF results were recorded. MAIN OUTCOME MEASURES: Differences between DIF-positive and -negative patients in demography, sites of involvement, and disease severity as determined by the degree of conjunctival scarring (using Tauber staging), central corneal disease (vascularization, scarring, ulceration, and conjunctivalization), history of conjunctival or lid surgery, and requirement for systemic immunotherapy at the time of screening. RESULTS: A total of 73 patients with ocular MMP were recruited, of whom 20 of 73 (27.4%) had ocular-only disease. There was no significant demographic or clinical difference between patients with positive and negative DIF results. This finding included differences in disease severity for which the only significant difference was that of more severe central corneal disease in DIF-negative patients. Asymptomatic disease at different sites was frequent. CONCLUSIONS: These findings do not support the classification of DIF-negative patients, meeting the clinical criteria for ocular MMP, as having a different disease. This category of patients should be accepted as having DIF-negative MMP, for clinical management purposes, with patients having inflamed eyes being treated with systemic immunomodulatory therapy. The frequent finding of asymptomatic ocular, oral, and nasopharyngeal MMP is clinically significant and implies that these sites should be routinely screened in asymptomatic patients. PMID- 29217150 TI - Breaking the ice. PMID- 29217151 TI - Ontologies of life: From thermodynamics to teleonomics: Comment on "Answering Schrodinger's question: A free-energy formulation" by Maxwell James Desormeau Ramstead et al. PMID- 29217152 TI - Advanced cardiopulmonary resuscitation (CPR) in the Catheterization Laboratory: Consensus document of the Working Groups of 1) Cardiopulmonary Resuscitation/Acute Cardiac Care and 2) Hemodynamic and Interventional Cardiology, Hellenic Cardiological Society. PMID- 29217153 TI - Patterns of Transition Experience for Parents Going Home from Hospital with their Infant after First Stage Surgery for Complex Congenital Heart Disease. AB - PURPOSE: The purpose of this study was to explore parents' experiences of one specific timepoint in their infant's journey: the transition from hospital to home, following the first stage of their infant's cardiac surgery for complex congenital heart disease. DESIGN AND METHODS: A prospective longitudinal mixed methods study, underpinned with Middle Range Transition Theory (Meleis, Sawyer, Im, Hilfinger Messias, & Schumacher, 2000). Face to face and telephone interviews were conducted and self-report forms completed by parents at four-time points: before discharge (T0), 2weeks after discharge (T1), 8weeks after discharge (T2) and after stage two surgery (T3). Interviews were transcribed verbatim before inductive thematic analysis. RESULTS: Parents were recruited over a 15-month period from 2013 to 2015. Twelve mothers and 4 fathers took part. The infants had functionally univentricular heart (left n=10, right n=1) and a systemic shunt dependent lesion, tetralogy of Fallot (n=1). Dynamic constructivist and constructionist social processes occurred for all parents, involving physical, physiological, psychological and cognitive elements within four 'patterns of experience', two of which 'safety and security' and 'love and support' are presented in this paper. IMPLICATIONS: Parental support is essential; parents need to be engaged in discharge planning process and given the opportunity to express their needs to ensure that discharge care is truly patient and family centered. CONCLUSIONS: Transition from hospital to home was complex and multi faceted, with unanticipated physical and emotional transitions superimposed upon those that were expected. PMID- 29217154 TI - Production of a chimeric protein and its potential application in sero-diagnosis of Mycoplasma hominis infection. AB - INTRODUCTION: Mycoplasma hominis is an opportunistic pathogen of the human genital tract. Detection of antibodies against this organism in human serum or plasma is theoretically unreliable because of high variation in bacterial surface antigens. In this study, we applied the bioinformatics tools to design a chimeric protein constructed of specific, conserved and predicted immuno-dominant epitopes from two different membrane proteins, P120 and P80. MATERIAL AND METHODS: Linear B-cell epitopes of P120 and P80 were predicted and evaluated by bioinformatics tools and the designed chimeric protein was expressed in Escherichia coli. The chimeric protein, Mh128, was further analyzed in terms of immuno-reactivity by western blotting and enzyme immuno-sorbent assay (ELISA). RESULTS: We found eight specific, conserved and immuno-dominant epitopes within P120 and P80 based on the bioinformatic studies. The constructed chimeric protein showed immuno-reaction in both western-blotting and ELISA tests. DISCUSSION: Because of extensive variation of genomic and antigenic structure, diagnosis of M. hominis infection is difficult. Mh128 as a predicted specific and conserved recombinant protein can be potentially used for sero-diagnosis of M. hominis infection. We plan to develop an immuno-assay based on Mh128 and further evaluate the clinical specificity and sensitivity of the method. PMID- 29217155 TI - Pleiotropic neuropathological and biochemical alterations associated with Myo5a mutation in a rat Model. AB - In this study, we analyze the neuropathological and biochemical alterations involved in the pathogenesis of a neurodegenerative/movement disorder during different developmental stages in juvenile rats with a mutant Myosin5a (Myo5a). In mutant rats, a spontaneous autosomal recessive mutation characterized by the absence of Myo5a protein expression in the brain is associated with a syndrome of locomotor dysfunction, altered coat color, and neuroendocrine abnormalities. Myo5a encodes a myosin motor protein required for transport and proper distribution of subcellular organelles in somatodendritic processes in neurons. Here we report marked hyperphosphorylation of alpha-synuclein and tau, as well as region-specific buildup of the autotoxic dopamine metabolite, 3,4-dihydroxyphenyl acetaldehyde (DOPAL), related to decreased aldehyde dehydrogenases activity and neurodegeneration in mutant rats. Alpha-synuclein accumulation in mitochondria of dopaminergic neurons is associated with impaired enzymatic respiratory complex I and IV activity. The behavioral and biochemical lesions progress after 15 days postnatal, and by 30-40 days the animals must be euthanized because of neurological impairment. Based on the obtained results, we propose a pleiotropic pathogenesis that links the Myo5a gene mutation to deficient neuronal development and progressive neurodegeneration. This potential model of a neurodevelopmental disorder with neurodegeneration and motor deficits may provide further insight into molecular motors and their associated proteins responsible for altered neurogenesis and neuronal disease pathogenesis. PMID- 29217156 TI - Air-Q(r) versus LMA FastrachTM for fiberoptic-guided intubation: A randomized cross-over manikin trial. AB - INTRODUCTION: Airway management is still a major cause of anesthesia-associated morbidity and mortality. Supraglottic devices are recommended in difficult airway management guidelines. The aim of this study was to compare the performance of the Air-Q(r) and the LMA FastrachTM for fiberoptic guided tracheal intubation. METHODS: Thirty-three anesthesia trainees participated in this randomized crossover study. Time to insert the dedicated airways (insertion of the airway into the manikin and delivery of two breaths), time to tracheal intubation (fiberoptic-guided tracheal intubation), time to remove the dedicated airway (removal of the Air-Q(r)/LMA FastrachTM over the tracheal tube) and the opinion of the ease of use of the anesthesia trainees were measured. RESULTS: There was 100% success rate for tracheal intubation with both devices on the first attempt. Time to insert the dedicated device and deliver two breaths was 10+/-3s for the Air-Q(r) and 11+/-3s for the LMA FastrachTM, P=.07. Time taken to intubate the trachea was shorter with the air-Q(r), 38+/-15 s, than with the LMA FastrachTM, 47+/-19s, P=.017. Overall procedure time was significantly shorter with the Air Q(r) as compared with the LMA FastrachTM, with a mean time of 74+/-21s and 87+/ 28s respectively, P=.002. Air-Q(r) removal was considered easier than LMA FastrachTM removal, P=.005. There were no tube dislodgements during the removal of the dedicated airways. CONCLUSIONS: Inexperienced anesthesia residents can perform fiberoptic-guided intubation through Air-Q(r) and LMA FastrachTM in a clinically acceptable time with high success. PMID- 29217157 TI - Functional histamine H3 and adenosine A2A receptor heteromers in recombinant cells and rat striatum. AB - In the striatum, histamine H3 receptors (H3Rs) are co-expressed with adenosine A2A receptors (A2ARs) in the cortico-striatal glutamatergic afferents and the GABAergic medium-sized spiny neurons that originate the indirect pathway of the basal ganglia. This location allows H3Rs and A2ARs to regulate the striatal GABAergic and glutamatergic transmission. However, whether these receptors can physically interact has not yet been assessed. To test this hypothesis, a heteromer-selective in vitro assay was used to detect functional complementation between a chimeric A2AR302-Galphaqi4 and wild-type H3Rs in transfected HEK-293T cells. H3R activation with the agonist RAMH resulted in Ca2+ mobilization (pEC50 7.31 +/- 0.23; maximal stimulation, Emax 449 +/- 25% of basal) indicative of receptor heterodimerization. Functional H3R-A2AR heteromers were confirmed by co immunoprecipitation and observations of differential cAMP signaling when both receptors were co-expressed in the same cells. In membranes from rat striatal synaptosomes, H3R activation decreased A2AR affinity for the agonist CGS-21680 (pKi values 8.10 +/- 0.04 and 7.70 +/- 0.04). Moreover, H3Rs and A2ARs co immunoprecipitated in protein extracts from striatal synaptosomes. These results support the existence of a H3R-A2AR heteromer with possible physiological implications for the modulation of the intra-striatal transmission. PMID- 29217158 TI - Evidence based traditional anti-diarrheal medicinal plants and their phytocompounds. AB - Traditional medicines are an integral component of alternative health care systems used by millions of the people worldwide. Traditionally used herbals are multi-constituent medications, safety and efficacy of which is based on experiences of the practitioners, whereas modern drugs are single molecules, rigorously tested, structurally optimized and toxicologically cleared. Plants are being recognized as potential source of drug discovery and more than 80% of modern drugs are derived directly from natural sources (plants, microbes, cells etc.) or their molecules/compounds. A large number of traditional medicinal plants are used for the treatment of diarrhea and related gastrointestinal disorders. Many of these plants have been scientifically validated in animal models of diarrhea. However, very few of these have been clinically tested through controlled trials. The article highlights various traditional anti diarrheal medicinal plants, which are shown to have high efficacy in in-vivo models. It was noticed that few active phytomolecules have been also identified from these plants however these have not been substantially explored in terms of their clinical efficacy and safety. This review also describes the potential herbal extracts which may be investigated for identification of novel active molecules against diarrhea and other gastrointestinal disorders. Robust clinical trials of lead plants/phyto-molecules will be needed to develop novel, effective and safe phyto-medicines for combating diarrhea and associated disorders. PMID- 29217159 TI - The chemical composition and trypanocidal activity of volatile oils from Brazilian Caatinga plants. AB - Essential/volatile oils (EOs) from plants used in the traditional medicine are known as a rich source of chemically diverse compounds with relevant biological activities. In this work we analysed the chemical composition and the in vitro effects of EOs from leaves of Eugenia brejoensis (EBEO), Hyptis pectinata (HPEO), Hypenia salzmannii (HSEO), Lippia macrophylla (LMEO) and seeds of Syagrus coronata (SCEO) on Trypanosoma cruzi, the etiological agent of Chagas disease. The EOs were extracted through hydrodistillation and its chemical composition analysed by GC/MS. The trypanocidal activity against epi- and trypomastigotes was evaluated by optical microscopy and the cytotoxicity to mammalian cells by MTT. The effects of EOs on parasite infection in macrophages were estimated by determining the survival index and the percentage of infection inhibition. The cytotoxicity against mammalian cells was compared to those of parasite by determining the Selectivity Index (SI). Overall, 114 compounds were identified: The main constituents of EOS were: delta-cadinene (15.88%), trans-caryophyllene (9.77%) e alpha-Muurolol (9.42%) for EBEO; trans-caryophyllene (15.24%), bicyclogermacrene (7.33%) e cis-calamenene (7.15%) for HFEO; trans-caryophyllene (30.91%), caryophyllene oxide (13.19%) and spathulenol (5.68%) for HPEO; Xanthoxylin (17.20%) trans-caryophyllene (14.34%) and methyl-eugenol (5.60%) for HSEO; Thymol (49.81%), carvacrol (31.6%) and sigma-cimene (10.27%) for LMEO and octanoic acid (38.83%) dodecanoic acid (38.45%) and decanoic acid (20.51%) for SCEO. All the tested oils showed an inhibitory effect on the growth and survival of all forms of T. cruzi and moderate cytotoxicity towards the mammalian cells (100 < CC50 < 500 MUg/mL). The EO of E. brejoensis was the most effective against the parasite presenting higher Selectivity Index for trypo- (SI = 14.45) and amastigote forms (SI = 20.11). Except for SCEO, which was the most cytotoxic for both parasite and mammalian cells, all the oils demonstrated to be more selective for the parasite than the reference drug benznidazole. Taken together our results point the essential oils from Caatinga plants, especially Eugenia brejoensis, as promissory agents for the development of new drugs against Chagas disease. PMID- 29217160 TI - Interaction between Gallic acid and Asparaginase to potentiate anti-proliferative effect on lymphoblastic leukemia cell line. AB - BACKGROUND: Treatment of acute lymphoblastic leukemia (ALL) fails in some cases and the side effects cause mortality in certain patients. Gallic acid (GA), a polyhydroxyphenolic compound has biological functions including anti proliferative properties. The aim of the present study was to investigate the growth inhibition effects of GA in combination with asparaginase (ASP), as a component of combination chemotherapy, in a lymphoblastic leukemia cell line. METHODS: Jurkat cells were incubated with different concentrations of GA with or without ASP. Proliferation inhibition was investigated using MTS test. The level of apoptosis alterations were evaluated using flow cytometry. The expression of Fas gene level and surface expression were investigated by quantitative real time PCR and flow cytometry respectively. RESULTS: GA at 50MUM concentration and ASP at 0.5 IU/ml inhibited 50% cell proliferation in 48 hours. GA also increased the inhibitory effect of ASP and some combinations had synergistic results. The increase of cell apoptosis and Fas expression were observed in GA-treated cells compared to control. GA increased the effect of ASP on proliferation inhibition, induction of apoptosis and Fas expression. CONCLUSION: GA is an effective component in proliferation inhibition, apoptosis induction and enhancement of Fas expression level in Jurkat cell line. GA in some combination with ASP increases the effect of the latter on the cells. The study of the mechanism of these effects could be a further step towards target therapy. This study is a preliminary phase to the use of GA and should be carried out by more comprehensive study and animal models. PMID- 29217161 TI - MiR-1202 suppresses hepatocellular carcinoma cells migration and invasion by targeting cyclin dependent kinase 14. AB - Currently, hepatocellular carcinoma (HCC) patients still have poor survival outcomes mainly due to the powerful mobility of HCC cells. Increasing evidences hint that abnormally expressed miRNAs are capable to modulate HCC cells invasion and migration. MiR-1202 has been proposed as a ponderable molecular tumor marker in a variety of tumors. Here, results from real-time PCR indicated the decreased expression of miR-1202 in HCC. Clinically, statistical analysis showed that miR 1202 under-expression was closely associated with metastasis-related clinicopathologic characteristics. In addition, 5-year overall survival (OS) and disease-free survival (DFS) rates of HCC patients with high miR-1202 expression were much better than that in low miR-1202 group. Functionally, gain- and loss-of -function studies were performed to investigate the roles of miR-1202. Intriguingly, Would healing assay and Transwell assays indicated that elevated miR-1202 weakened HCC cells migration and invasion abilities, while miR-1202 knockdown presented the contrary effects. Furthermore, cyclin dependent kinase 14 (CDK14) was identified as a downstream target of miR-1202 by bioinformatics analysis, Dual luciferase reporter assay, detection of CDK14 expression and Pearson correlation analysis. More importantly, rescue experiments demonstrated that CDK14 mediated miR-1202 to exert its anti-tumor effects, which further confirmed the above finding. Taken together, miR-1202 may act as a new biomarker and potential therapeutic target for HCC. PMID- 29217162 TI - Association of inflammatory mediators with pain perception. AB - Treatment of pain has always been a major goal in the clinic, as it is related to several pathological conditions of inflammatory origin and surgical procedures, which are associated with inflammatory mediators. Understanding the molecular mechanisms underlying the association between inflammatory mediators and pain perception, from peripheral to central sensitization, can provide the basis for the development of new pharmacological treatments. Despite safety concerns, till date, the use of non-steroidal anti-inflammatory drugs (NSAIDs) has been shown to be efficacious, safe, and well tolerated by patients. Thus, choosing the appropriate administration route, developing new formulations and lowering the efficacious dose represent, currently, effective means of treating inflammation and relieving the pain, without inducing significant side effects. PMID- 29217163 TI - CX3CR1 regulates osteoarthrosis chondrocyte proliferation and apoptosis via Wnt/beta-catenin signaling. AB - OBJECTIVE: The study was aimed to investigate the impact of CX3CR1 expression on the proliferation and apoptosis of osteoarthrosis (OA) chondrocytes through Wnt/ beta-catenin pathway. METHODS: The expression levels of CX3CR1 and Wnt/beta catenin pathway-related genes mRNA and protein in OA chondrocytes were examined by qRT-PCR and western blot. MTT and flow cytometry (FCM) assays were employed to assess cell proliferation, cell cycle and apoptosis. XAV-939, a Wnt/beta-catenin pathway inhibitor, was used to inhibit the pathway. RESULTS: CX3CR1 was significantly overexpressed in OA cartilages than that in normal articular cartilages (P < 0.05). After siCX3CR1 transfection, the expression level of Wnt 3, nuclear beta-catenin, Cyclin D1, MMP-13 and phosphorylated GSK-3beta significantly increased, while cytoplasm beta-catenin, GSK-3beta and phosphorylated beta-catenin expression was inhibited (P<0.05). XAV-939abolished the effects of siCX3CR1 on proliferation, apoptosis and cell cycle progression of OA chondrocytes (P<0.05). CONCLUSIONS: CX3CR1 regulated chondrocyte proliferation and apoptosis through Wnt/beta-catenin signaling pathway. The overexpression of CX3CR1 in chondrocytes of OA may be closely related to the pathogenesis and progression of OA. PMID- 29217164 TI - The protective role of crocin in tartrazine induced nephrotoxicity in Wistar rats. AB - The present study was conducted to investigate the changes in rat kidney tissues after administration of tartrazine (T) and crocine (Cr). The latter was applied for its protective properties. The present study was conducted with the approval of Inonu University, Faculty of Medicine, Experimental Animals Ethics Committee. Forty rats were randomly divided into 4 equal groups (Control, T, Cr, T + Cr). At the end of the experiment, the rats were decapitated. Biochemical and histopathological studies were conducted on excised rat kidney tissues. It was determined that there was a significant increase in MDA, TOS, SOD, CAT, Bun, Creatinine levels in tartrazine administered rat kidney tissues for 21 days, while GSH and TAS levels decreased (P <= 0.05) when compared to all other groups. On the other hand, it was identified that Cr administration statistically significantly increased GSH and TAS levels in rat kidney tissues when compared to all other groups and decreased MDA and TOS levels to control group levels (P < 0.05). T group kidney sections exhibited different degrees of collapse in the glomeruli. In most sections, different levels of inflammatory cell infiltration and vascular and capillary congestion were detected in peritubular interstitial tissue. It was determined that T leads to adverse effects on rat kidney tissues. Administration of Cr + T prevented T induced nephrotoxicity. Thus, it was concluded that Cr could be utilized as a new type of anti-tartrazine toxicity agent. PMID- 29217165 TI - Anxiolytic- and antidepressant-like activities of a methanolic extract of Morinda citrifolia Linn. (noni) fruit in mice: Involvement of benzodiazepine-GABAAergic, serotonergic and adrenergic systems. AB - This study presents anxiolytic- and antidepressant-like effects of a methanolic extract of Morinda citrifolia Linn. (noni) fruit (MMC) in well-established mouse models of anxiety and depression. The administration of MMC (1 g/kg, p.o.) and diazepam (1 mg/kg, i.p.) significantly attenuated anxiety-like behaviour in mice by increasing the percentage of time spent and number of entries in the open arms in the elevated plus maze (EPM), and significantly enhanced the exploration in the light box in the light/dark test (LDT). The pre-treatment with flumazenil (6 mg/kg, i.p.) or bicuculline (3 mg/kg, i.p.) or WAY 100635 (1 mg/kg, i.p.) antagonized the anxiolytic-like effect elicited by MMC (1 g/kg, p.o.). These results suggest the possible involvement of benzodiazepine-GABAAergic and serotonergic mechanisms in the anxiolytic-like effect of noni fruit. Meanwhile, in the antidepressant study, the administration of MMC (0.5 and 0.75 g/kg, p.o.) and desipramine (30 mg/kg, i.p.) significantly reduced the duration of immobility in the tail suspension test (TST). Furthermore, pre-treatment of mice with 4 chloro-DL-phenylalanine methyl ester hydrochloride (PCPA; 100 mg/kg, i.p., an inhibitor of serotonin synthesis) for four consecutive days or a single dose of WAY 100635 (1 mg/kg, i.p., 5HT1A receptor antagonist) or alpha-methyl-DL-tyrosine (AMPT; 100 mg/kg, i.p., an inhibitor of noradrenaline synthesis) significantly reversed the anti-immobility effect of MMC (0.5 g/kg, p.o.) in TST by indicating the specific involvement of the serotonergic and noradrenergic systems in the antidepressant-like effect of noni fruit. Taken together, these findings suggest that MMC has both anxiolytic- and antidepressant-like activities to be resorted as a valuable alternative therapy for comorbid anxiety and depressive conditions. PMID- 29217166 TI - Long non-coding RNA SOX21-AS1 sponges miR-145 to promote the tumorigenesis of colorectal cancer by targeting MYO6. AB - Emerging evidences have proved that long non-coding RNAs (lncRNAs) act as important molecular regulator in the tumor progression, including colorectal cancer (CRC). LncRNA SOX21-AS1 has been verified as oncogenic molecular in other cancers and tumorigenesis. In present study, our team investigates the clinical characteristic and molecular function in CRC carcinogenesis. Results showed that lncRNA SOX21-AS1 expression was significantly over-expressed in CRC tissue samples and cells. The aberrant over-expression of SOX21-AS1 indicated poor prognosis of CRC patients. In vitro and in vivo validation experiments, SOX21-AS1 silencing inhibited the proliferation, invasion, and decreased the tumor growth of CRC cells. Moreover, miR-145 was proved to be the target of SOX21-AS1, besides, myosin VI (MYO6) was found to be one of the targets of miR-145 using bioinformatics prediction programs and rescue confirmation experiments. In summary, our study reveals the tumorigenic effect of lncRNA SOX21-AS1 in CRC cells via targeting miR-145/MYO6, providing a novel insight for CRC carcinogenesis. PMID- 29217167 TI - Potential protective effect of Pistacia lentiscus oil against chlorpyrifos induced hormonal changes and oxidative damage in ovaries and thyroid of female rats. AB - The purpose of this study was to evaluate the protective effect of Pistacia lentiscus oil (PLO), known for its antioxidant properties, on chlorpyrifos (CPF) induced alterations in the thyroid, reproductive hormone levels, and oxidative damage in the ovaries and thyroid of adult Wistar rats. The animals were treated with orally administered PLO (2 mL/kg), CPF (6.75 mg/kg), and a combination of CPF and PLO for 30 days. Serum levels of luteinizing hormone (LH), follicle stimulating hormone (FSH), progesterone (Pg), estradiol (E2), triiodothyronine (T3), thyroxine (T4), and thyroid-stimulating hormone (TSH) were assessed using chemiluminescence assay. Malondialdehyde (MDA), protein carbonyl (PC), and reduced glutathione (GSH) levels were examined in the ovaries and thyroid glands. The oil principal volatile compounds detected by gas chromatography analysis were: myrcene, alpha-pinene and limonene (26.21, 22.66 and 10.33%, respectively). No significant differences were observed between serum concentrations of TSH and FSH in the examined experimental groups. However, serum concentrations of LH, E2, Pg, T3, and T4 decreased significantly in CPF-treated rats in comparison with the controls. The body weight and relative weight of ovaries and thyroids in this group were also significantly reduced. The MDA and PC content increased significantly, while the GSH content was markedly depressed in the thyroid and ovaries of rats treated with CPF. Co-administration of PLO and CPF effectively ameliorated the adverse effects; the oxidative damage was reduced and the levels of thyroid and reproductive hormones restored to a normal range. In conclusion, it appears that PLO substantially alleviates the CPF-induced oxidative damage and hormonal alterations. PMID- 29217168 TI - The stories of women who are transferred due to threat of preterm birth. AB - BACKGROUND: Women at risk of preterm birth before 32 weeks gestation are routinely transferred to facilitate birth at a hospital that has Neonatal Intensive Care. The clinical outcomes of being 'in-born" improves newborn and neonatal outcomes is well documented. However little is known about the women's experiences when such a complication occurs. METHOD: Using the NSW Agency for Clinical Innovation Patient and Carer stories method, 10 women were purposively invited and consented to tell their stories. Semi-structured interviews were undertaken during their inpatient stay and then again, by telephone in the months following their baby's due date. Themes were identified, illustrated by exemplars. RESULTS: All women were multiparous. Without exception, the women said that having the support of their family was the most important factor in coping with their unexpected hospitalisation and the anxiety of having to deal with the uncertainty of their pregnancy outcome. The most difficult aspect of their experience was the distress of being separated from their children and families and undue stress and distress from their partners. Other issues they identified were: physical difficulties during transfer; information overload as they sought to understand their changing circumstances; accommodation issues; and financial stress resulting from their relocation. CONCLUSIONS: All women perceived their midwifery, obstetric and neonatal care to be exceptional and their neonatal outcomes were positive. Improvements may be made by facilitating family contact allowing flexible visiting, assisting with partner/family accommodation, providing women with their basic needs during transport and providing assistance to relieve financial strain. PMID- 29217169 TI - Enabling new graduate midwives to work in midwifery continuity of care models: A conceptual model for implementation. AB - BACKGROUND: High-level evidence demonstrates midwifery continuity of care is beneficial for women and babies. Women have limited access to midwifery continuity of care models in Australia. One of the factors limiting women's access is recruiting enough midwives to work in continuity. Our research found that newly graduated midwives felt well prepared to work in midwifery led continuity of care models, were well supported to work in the models and the main driver to employing them was a need to staff the models. However limited opportunities exist for new graduate midwives to work in midwifery continuity of care. AIM: The aim of this paper therefore is to describe a conceptual model developed to enable new graduate midwives to work in midwifery continuity of care models. METHOD: The findings from a qualitative study were synthesised with the existing literature to develop a conceptual model that enables new graduate midwives to work in midwifery continuity of care. FINDINGS: The model contains the essential elements to enable new graduate midwives to work in midwifery continuity of care models. DISCUSSION: Each of the essential elements discussed are to assist midwifery managers, educators and new graduates to facilitate the organisational changes required to accommodate new graduates. CONCLUSION: The conceptual model is useful to show maternity services how to enable new graduate midwives to work in midwifery continuity of care models. PMID- 29217170 TI - Update: Topical Anesthetics for Pain Control During Repair of Dermal Laceration. PMID- 29217171 TI - What Is the Utility of Coronary Computed Tomography Angiography Compared With Standard of Care for the Evaluation of Acute Chest Pain? PMID- 29217172 TI - Nobiletin induces brown adipocyte-like phenotype and ameliorates stress in 3T3-L1 adipocytes. AB - Browning of white adipocytes (beiging) is an attractive therapeutic strategy against obesity and its associated metabolic complications. Nobiletin (NOB) is a polymethoxylated flavone present in citrus fruits and has been reported to have anti-obesity effects. Here, we report that nobiletin exerts dual modulatory effects on adipocytes via induction of browning in 3T3-L1 white adipocytes and amelioration of stress in adipocytes. Nobiletin-induced beiging was investigated by determining expression levels of beige-specific genes and proteins by RT-PCR and immunoblot analysis, respectively. Nobiletin treatment rapidly elevated the expression levels of beige-specific genes such as Cd137, Cidea, Tbx1, and Tmem26. Further, nobiletin enhanced expression of the key transcription factors C/EBPbeta, PPARdelta, and PPARalpha, which are responsible for remodeling of white adipocytes. Nobiletin also strikingly activated HIB1B brown adipocytes and induced mitochondrial biogenesis in 3T3-L1 white adipocytes. In addition, nobiletin altered the expression of several lipid metabolism-related proteins such as ACOX1, CPT1, FAS, p-PLIN, SREBP and SIRT1. Moreover, nobiletin ameliorated stress in adipocytes by inhibiting expression levels of key stress molecules such as JNK and c-JUN. Nobiletin-induced browning could be mediated by tight regulation of kinases, as nobiletin induced PKA and p-AMPK at the protein expression level, and inhibition of PKA and p-AMPK by H-89 and dorsomorphin, respectively, abolished expression of the thermogenic markers PGC-1alpha and UCP1. Taken together, our findings suggest that nobiletin plays a modulatory role in adipocytes via induction of browning in 3T3-L1 white adipocytes and activation of HIB1B brown adipocytes combined with amelioration of stress in adipocytes, thereby exhibiting therapeutic potential against obesity. PMID- 29217173 TI - 7-Fluoro-1,3-diphenylisoquinoline reverses motor and non-motor symptoms induced by MPTP in mice: Role of striatal neuroinflammation. AB - Parkinson's disease (PD) is a dopaminergic neurodegenerative disorder, which presents motor and non-motor symptoms. 7-Fluoro-1,3-diphenylisoquinoline (FDPI) is an isoquinoline compound with antioxidant and antidepressant properties. This study investigated whether FDPI reverses motor and non-motor symptoms in an acute mouse model of PD induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). It was also assessed the anti-inflammatory mechanisms in FDPI pharmacological action. C57Bl/6 male adult mice received four MPTP (20mg/kg, intraperitoneal) or saline (vehicle) injections to induce an acute PD model. FDPI (10mg/kg, intragastric) was daily administered to mice from the 2nd to 9th day after the induction and mice performed the behavioral tests on the 8th and 9th days. Striatum samples were collected for biochemical and molecular analyses. The results of the rotarod and challenging beam tests demonstrated that the administration of FDPI attenuated the impairments in balance and coordination of mice induced by MPTP. The FDPI reversed the short-term memory deficit and depressive-like behavior induced by MPTP in mice. FDPI attenuated the reduction in the striatal tyrosine hydroxylase levels, and it reversed the increase in the cyclooxygenase-2 levels and myeloperoxidase activity caused by MPTP in mice. Therefore, FDPI reversed motor and non-motor symptoms induced by an acute PD model and its restorative effects seem to be mediated by an anti-inflammatory action associated with a modulation of the striatal cyclooxygenase-2 levels and myeloperoxidase activity. PMID- 29217175 TI - Reactivity of IgM antibodies elicited by PEGylated liposomes or PEGylated lipoplexes against auto and foreign antigens. AB - Polyethylene glycol (PEG) is an attractive tool for the development of nanoparticle-based cancer therapy since it endows nanoparticles with extended circulation properties. Nevertheless, recent reports have revealed that intravenous injection of either PEGylated liposomes (SLs) or PEGylated lipoplex (PLpx) could elicit an anti-PEG immunoglobulin (IgM) response in a T cell independent (TI) manner that would substantially compromise the in vivo fate of PEGylated products upon repeated administration. In the same context, viral or bacterial infections trigger the production of polyreactive IgM that binds both self and foreign antigens. The polyreactivity of IgM elicited by SLs or PLpx, to bacteria and other polymers, however, is yet to be elucidated. In this study, the polyreactivity of IgM elicited by SLs or PLpx was challenged against different bacteria (TI antigens) and against synthetic polymer composed of repetitive structures (PVP-360 or FITC-dextran). Results demonstrated that anti-PEG IgM elicited by either SLs or PLpx showed no reactivity to various bacteria examined, while the IgM showed remarkable reactivity to both PVP-360 and FITC-dextran. In addition, interestingly, anti-PEG IgM elicited by either SLs or PLpx showed no antinuclear antibody-like immune reactivity, and, therefore, treatment with either SLs or PLpx was not expected to exacerbate autoimmune diseases such as systemic lupus erythematosus. Collectively, our findings could provide information supporting the safety of PEGylated nanoparticle-based pharmaceutics, particularly in patients with autoimmune diseases. PMID- 29217174 TI - N-propyl-2,2-diphenyl-2-hydroxyacetamide, a novel alpha-hydroxyamide with anticonvulsant, anxiolytic and antidepressant-like effects that inhibits voltage gated sodium channels. AB - In patients with epilepsy, anxiety and depression are the most frequent psychiatric comorbidities but they often remain unrecognized and untreated. We report herein the antidepressant-like activity in two animal models, tail suspension and forced swimming tests, of six anticonvulsants alpha-hydroxyamides. From these, N-propyl-2,2-diphenyl-2-hydroxyacetamide (compound 5) emerged not only as the most active as anticonvulsant (ED50 = 2.5mg/kg, MES test), but it showed the most remarkable antidepressant-like effect in the tail suspension and forced swimming tests (0.3-30mg/kg, i.p.); and, also, anxiolytic-like action in the plus maze test (3-10mg/kg, i.p.) in mice. Studies of its mechanism of action, by means of its capacity to act via the GABAA receptor ([3H]-flunitrazepam binding assay); the 5-HT1A receptor ([3H]-8-OH-DPAT binding assay) and the voltage-gated sodium channels (either using the patch clamp technique in hNav 1.2 expressed in HEK293 cell line or using veratrine, in vivo) were attempted. The results demonstrated that its effects are not likely related to 5-HT1A or GABAAergic receptors and that its anticonvulsant and antidepressant-like effect could be due to its voltage-gated sodium channel blocking properties. PMID- 29217176 TI - A strong adjuvant based on glycol-chitosan-coated lipid-polymer hybrid nanoparticles potentiates mucosal immune responses against the recombinant Chlamydia trachomatis fusion antigen CTH522. AB - Induction of mucosal immunity with vaccines is attractive for the immunological protection against pathogen entry directly at the site of infection. An example is infection with Chlamydia trachomatis (Ct), which is the most common sexually transmitted infection in the world, and there is an unmet medical need for an effective vaccine. A vaccine against Ct should elicit protective humoral and cell mediated immune (CMI) responses in the genital tract mucosa. We previously designed an antibody- and CMI-inducing adjuvant based on poly(dl-lactic-co glycolic acid) (PLGA) nanoparticles modified with the cationic surfactant dimethyldioctadecylammonium bromide and the immunopotentiator trehalose-6,6' dibehenate. Here we show that immunization with these lipid-polymer hybrid nanoparticles (LPNs) coated with the mucoadhesive polymer chitosan enhances mucosal immune responses. Glycol chitosan (GC)-modified LPNs were engineered using an oil-in-water single emulsion solvent evaporation method. The nanoparticle design was optimized in a highly systematic way by using a quality by-design approach to define the optimal operating space and to gain maximal mechanistic information about the GC coating of the LPNs. Cryo-transmission electron microscopy revealed a PLGA core coated with one or several concentric lipid bilayers. The GC coating of the surface was identified as a saturable, GC concentration-dependent increase in particle size and a reduction of the zeta potential, and the coating layer could be compressed upon addition of salt. Increased antigen-specific mucosal immune responses were induced in the lungs and the genital tract with the optimized GC-coated LPN adjuvant upon nasal immunization of mice with the recombinant Ct fusion antigen CTH522. The mucosal responses were characterized by CTH522-specific IgG/IgA antibodies, together with CTH522-specific interferon gamma-producing Th1 cells. This study demonstrates that mucosal administration of CTH522 adjuvanted with chitosan-coated LPNs represents a promising strategy to modulate the magnitude of mucosal vaccine responses. PMID- 29217177 TI - C-reactive protein value is a strong predictor of acute appendicitis in young children. PMID- 29217178 TI - Factors associated with advanced cardiac care in prehospital chest pain patients. AB - INTRODUCTION: Many patients transported by emergency medical services (EMS) may require advanced cardiac care but do not have ST-segment elevation (STEMI) on the initial prehospital EKG. We sought to identify factors associated with the need for advanced cardiac care in undifferentiated EMS patients reporting chest pain in the absence of STEMI on EKG. METHODS: We performed a retrospective analysis of all adult patients, reporting atraumatic chest pain from a single EMS agency, presenting to a single, urban hospital over a 10-year period. Patients with STEMI on prehospital electrocardiogram were excluded. Patient demographics, chest pain characteristics and prehospital factors were abstracted for all patients. We identified those patients that required advanced cardiac care and performed regression analysis to determine associated factors. RESULTS: A total of 956 charts were analyzed. Of this total, 193 patients (20.2%) met the primary composite outcome. Of the outcome group, 185 patients (95.9%) had coronary artery disease documented on cardiac catheterization, 22 patients (11.4%) underwent CABG, and seven patients (3.6%) died in the hospital. Most significant variables (multivariable IRR) included age (1.02), male gender (1.65), history of MI (1.47), PCI (1.66), hyperlipidemia (1.40), diaphoresis (1.51), home aspirin (1.53), and improvement with EMS treatment (1.60). CONCLUSION: We have identified several factors that could be considered when risk stratifying prehospital patients reporting chest pain. While potentially predictive, the factors are broad and support the need for other objective factors that could augment prediction of patients who may benefit from early advanced cardiac care. PMID- 29217179 TI - More questions than answers - ALS interventions for out of hospital cardiac arrest. PMID- 29217180 TI - Structure based mimicking of Phthalic acid esters (PAEs) and inhibition of hACMSD, an important enzyme of the tryptophan kynurenine metabolism pathway. AB - Human alpha-amino-beta-carboxymuconate-epsilon-semialdehyde decarboxylase (hACMSD) is a zinc containing amidohydrolase which is a vital enzyme of the kynurenine pathway in tryptophan metabolism. It prevents the accumulation of quinolinic acid (QA) and helps in the maintenance of basal Trp-niacin ratio. To assess the structure based inhibitory action of PAEs such as DMP, DEP, DBP, DIBP, DEHP and their metabolites, these were docked into the active site cavity of hACMSD. Docking results show that the binding affinities of PAEs lie in the comparable range (-4.9 kca/mol-7.48kcal/mol) with Dipicolinic acid ( 6.21kcal/mol), a substrate analogue of hACMSD. PAEs interact with the key residues such as Arg47 and Trp191 and lie within the 4A vicinity of zinc metal at the active site of hACMSD. Dynamics and stability of the PAEs-hACMSD complexes were determined by performing molecular dynamics simulations using GROMACS 5.14. Binding free energy calculations of the PAEs-hACMSD complexes were estimated by using MMPBSA method. The results emphasize that PAEs can structurally mimic the binding pattern of tryptophan metabolites to hACMSD, which further leads to inhibition of its activity and accumulation of the quinolate in the kynurenine pathway of tryptophan metabolism. PMID- 29217181 TI - Enhancement of intrinsic fluorescence of human carbonic anhydrase II upon topiramate binding: Some evidence for drug-induced molecular contraction of the protein. AB - In this report, the effect of topiramate (TPM), an anticonvulsant sulfamate drug, on the structure of human carbonic anhydrase II (hCA II) was investigated by spectroscopic techniques. The intrinsic fluorescence experiments indicated that TPM binding causes enhancement of enzyme fluorescence via decreasing the internal quenching and energy transfer efficiency, the result supported by molecular dynamics simulation. Thermodynamic analysis of the binding process suggested that hydrogen bonding and van der Waals interactions are the major forces in the interaction of TPM with hCA II. The far-UV circular dichroism (CD) results showed that TPM caused increment in alpha-helical and beta-sheet content of hCA II whereas, near-UV CD experiments in the presence of the drug showed induction of some compactness in the enzyme tertiary structure. The number of accessible tryptophans and protein surface hydrophobicity index of the enzyme were reduced in the presence of TPM which confirms the enzyme structural compactness upon drug binding. In addition, the enzyme thermal stability was increased in the presence of the drug. It seems that the induction of compactness in the enzyme structure upon drug binding may be responsible for increment of its conformational stability. PMID- 29217182 TI - Mass spectrometry characterization for N-glycosylation of immunoglobulin Y from hen egg yolk. AB - Immunoglobulin Y (IgY) is a new therapeutic antibody that exists in hen egg yolk. It is a glycoprotein, not much is known about its N-glycan structures, site occupancy and site-specific N-glycosylation. In this study, purified protein from hen egg yolk was identified as IgY based on SDS-PAGE and MALDI-TOF/TOF MS. N glycan was released from IgY using peptide-N4-(N-acetyl-beta-glucosaminyl) asparagine-amidase treatment, and the molecular weight of IgY was calculated using the difference between the molecular weight of IgY and deglycosylated IgY. Two potential N-Glycosylation sites (ASN308 and ASN409) were detected on IgY by nanoLC-ESI MS. Sugar chains were separated using normal phase liquid chromatography after fluorescence labeling, and 17 N-glycan structures were confirmed using ESI-MS. The sugar chain pattern contained high-mannose oligosaccharide, hybrid oligosaccharide and complex oligosaccharide. These results could lead to other important information regarding IgY glycosylation. PMID- 29217183 TI - The structural features of the sulfated heteropolysaccharide (ST-1) from Sargassum thunbergii and its neuroprotective activities. AB - Polysaccharide (ST) was prepared from Sargassum thunbergii using hot water. Two fractions (ST-1 and ST-2) were prepared using anion exchange chromatography. One desulfated polysaccharide (ST-1-DS) was also prepared. Electrospray ionization mass spectrometry (ESI-MS) performed on ST-1-DS showed that the desulfated polysaccharides contained methyl glycosides of mono-sulfated and di-sulfated galacto-fucooligosaccharides. This result suggested that ST-1 might contain sulfated galactofucan, which consists of a backbone of alternating (Gal)n and (Fuc)n and sulfated randomly on Gal and mainly on C-2 in Fuc. In addition, ST-1 was degraded in 1M sulfuric acid. The solution was centrifuged, and the supernatant was concentrated and precipitated in ethanol to obtain the precipitate (ST-1-P). ST-1-P was then separated using gel chromatography and anion exchange chromatography to obtain the oligomers. ESI-MS spectra of oligomers indicated that ST-1 mostly contained sulfated glucuronomannan and fucoglucuronan. ESI-MS with collision-induced dissociation tandem mass spectrometry (ESI-CID-MS/MS) suggested that glucuronomannan contained alternating 2-linked Man and 4-linked GlcA, while fucoglucuronan contained 4-linked glucuronan with branched Fuc at C-3. Finally, the neuroprotective activities of ST, ST-1, ST-2 and MIX (a mixture of ST-1 and ST-2) were determined. ST showed the most neuroprotective activity, which indicated that ST might be a good candidate for curing neurodegenerative diseases. PMID- 29217184 TI - Formulation of novel chitosan guargum based hydrogels for sustained drug release of paracetamol. AB - The report presents the formulation of hydrogel based on biopolymers chitosan and guar gum after cross-linking for sustained release of a commonly used orally prescribed analgesic Paracetamol. The oral ingestion of Paracetamol is associated with complications of the gastric tract and liver metabolism that can be effectually avoided by using transdermal drug delivery systems. The formulated transdermal patch was characterized for physicochemical properties including swelling, bonding pattern (using FTIR Fourier Transform Infra-Red and Scanning Electron Microscopy SEM) and antimicrobial activity. Biocompatibility and cytotoxicity was examined in vitro using cell culture in HeLa cell lines. After characterizing the novel formulated hydrogel were employed for the preparation of drug encapsulated in alginate beads as a transdermal patch. After formulation of the transdermal patch, the drug release was studied using an avian skin model. The results followed zero order kinetics and Non-Fickian law for diffusion. Paracetamol due to its small molecular mass (151.163g/mol) released in a sustained manner. The released drug successfully retained its biological effects including anti-inflammatory and anti-protease activity, indicating no interaction between the drug and the formulated hydrogel. It was shown that the formulated hydrogels could be safely used as a dermal patch for the sustained drug release of Paracetamol. PMID- 29217185 TI - Selenizing astragalus polysaccharide attenuates PCV2 replication promotion caused by oxidative stress through autophagy inhibition via PI3K/AKT activation. AB - Our previous studies have shown that oxidative stress could promote the porcine circovirus type 2 (PCV2) replication, and astragalus polysaccharide (APS)/selenium could suppress PCV2 replication. However, whether selenizing astragalus polysaccharide (sAPS) provides protection against oxidative stress induced PCV2 replication promotion and the mechanism involved remain unclear. The present study aimed to explore the mechanism of the PCV2 replication promotion induced by oxidative stress and a novel pharmacotherapeutic approach involving the regulation of autophagy of sAPS. Our results showed that H2O2 promoted PCV2 replication via enhancing autophagy by using 3-methyladenine (3-MA) and autophagy related gene 5 (ATG5) knockdown. Sodium selenite, APS, the mixture of sodium selenite and APS, and sAPS significantly inhibited H2O2-induced PCV2 replication promotion, respectively. Among these, sAPS exerted maximal inhibitory effect. sAPS could also significantly inhibit autophagy activated by H2O2 and increase the Akt and mTOR phosphorylation. Moreover, LY294002, the specific phosphoinositide 3-kinase/protein kinase B (PI3K/AKT) inhibitor, significantly alleviated the effects of sAPS on autophagy and PCV2 replication. Taken together, we conclude that H2O2 promotes PCV2 replication by inducing autophagy and sAPS attenuates the PCV2 replication promotion through autophagy inhibition via PI3K/AKT activation. PMID- 29217186 TI - Biosynthesis of silver nanoparticles and polyhydroxybutyrate nanocomposites of interest in antimicrobial applications. AB - This study deals with the optimization and scaling up of the production of poly(3 hydroxybutyrate), PHB, nanocomposites containing biosynthesized silver nanoparticles (AgNPs) to generate materials with antimicrobial performance. First, a comparative study of the chemical and biological synthesis of AgNPs during the fermentation process of Cupriavidus necator at shake flask-scale was carried out. These experiments demonstrated the inherent capacity of C. necator to reduce the silver salt and produce AgNPs without the need for adding a reducing agent and, that the method of synthesis (with or without reducing agent) affects the dispersion of the AgNPs and their antimicrobial performance. Finally, the process was scaled-up to a 10Liters bioreactor and the relevant physical properties of the PHB-AgNPs nanocomposites pressed into films were determined. From the characterization work, the AgNPs were found to be well dispersed and distributed into the polymer matrix, having a maximum frequency of particles with average diameter of 76-95nm. Moreover, the presence of AgNPs did not cause any effect on the thermal properties of the biopolymer, although a slight reduction in crystallinity was seen. The developed materials presented a strong antimicrobial activity against the food-borne pathogens Salmonella enterica and Listeria monocytogenes, which makes them potentially suitable for active coatings and packaging applications. Complete biodisintegration of the samples occurred during composting conditions within the first 40days. Interestingly, the presence of the AgNPs did not impair the profile of biodegradation of the microbial polymer. PMID- 29217187 TI - Epidemiologic surveillance of multidrug-resistant bacteria in a teaching hospital: A 3-year experience. AB - BACKGROUND: The objective of this prospective study was to verify the effectiveness of a multidisciplinary surveillance program that was implemented in a teaching hospital in southern Brazil, to prevent and control the spread of multidrug-resistant organisms. METHODS: The program implemented involved establishment of prevention guidelines, hand-hygiene promotion, isolation of patients colonized or infected by such organisms, enforced contact precautions, and terminal cleaning and disinfection of isolation rooms. A microbiology service, previously provided by an external laboratory, was established in the hospital. Detection of bacteria-resistant genes and molecular typing were performed also. RESULTS: Statistically significant differences were observed between the pre- and post-intervention periods (P = .00198). Control measures were effective in blocking the dissemination of a previously endemic clone of Acinetobacter baumannii. Changes were observed in the dissemination pattern, from a monoclonal to a polyclonal mode. The incidence of vancomycin-resistant Enterococcus during the surveillance period was low. Only 2 isolates of BLAKPC positive Klebsiella pneumoniae (distinct profiles), and 5 isolates of BLASPM positive Pseudomonas aeruginosa (a single cluster), were detected. CONCLUSIONS: These results indicate that the surveillance program implemented was effective in preventing the spread of multidrug-resistant organisms in the hospital. PMID- 29217188 TI - HPV vaccinations in low- and middle-income countries. PMID- 29217189 TI - An unusual racemic C12-norabietane diterpene and a new abietane diterpene alkaloid from Salvia miltiorrhiza Bunge. AB - A rare C12-norabietane diterpene racemate (1) and a new abietane diterpene alkaloid (2) were isolated from the roots of Salvia miltiorrhiza Bunge. Their structures were established by comprehensive spectroscopic analyses, and 1 was successfully resolved by chiral HPLC, demonstrating that 1 is racemic. The absolute configurations of 1a [(+)-miltiorolide A], 1b [(-)-miltiorolide A], and 2 were determined using TDDFT-ECD calculations. 1a and 1b are the first examples of enantiomeric C12-norabietane diterpenes featuring an isobutylene with a tetrahydronaphthalene-butyrolactone ring system. The cytotoxic activities of the isolates (1 and 2) were evaluated against three human cancer cell lines BEL-7402, HT-29 and PANC-28. A plausible biogenetic pathway of 1 was also proposed. PMID- 29217190 TI - The down-regulation of cardiac contractile proteins underlies myocardial depression during sepsis and is mitigated by carbon monoxide. AB - The aim of this study is to investigate the mechanism underling cardiac dysfunction during sepsis, as well as the possible amelioration of this dysfunction by exogenous carbon monoxide (CO) administration. For this purpose, rats (six-week-old, male, Sprague-Dawley) were administered LPS (15 mg/kg body weight, i.p. 6 h) and/or CORM (30 mg/kg, i.p.). The decreased left ventricular ejection fraction (EF) observed in LPS group rats was recovered in the LSP + CORM group, confirming the protective role of CO against sepsis-induced myocardial depression. Proteomic as well as immunoblot analysis showed that the levels of myosin heavy and light chains (MHC and MLC) as well as alpha-cardiac actin (ACTC) were decreased in the LPS group, and these decreases were mitigated in the LSP + CORM group, suggesting that the amounts of major contractile proteins are decreased in depressed myocardium. Not only LPS-induced inflammatory cytokine (TNFalpha and IL-1beta) production but also the decrease in myofilament proteins was mitigated by CORM. These results confirm the protective action of exogenously administered CO against myocardial depression during sepsis, and reveal a novel mechanism underling cardiac dysfunction during sepsis. PMID- 29217192 TI - AMOT is required for YAP function in high glucose induced liver malignancy. AB - AMOT has been identified as a YAP interactor. However, how AMOT regulates YAP remains unclear and controversy. Here, we identified that besides YAP, AMOT was another Hippo signaling core factor which could be O-GlcNAcylated. Moreover, high glucose (HG) was able to enhance the expression and O-GlcNAcylation of AMOT. We also found that HG stimulated nuclear accumulation, transcription activity, interaction with transcription factor and transcription of target genes of YAP via AMOT, while AMOT acted as a suppressor of YAP in normal glucose level. Finally, we observed the upregulation and nuclear accumulation of AMOT and YAP in Streptozocin (STZ) induced high glucose mice. Collectively, we have uncovered that AMOT acts as a YAP stimulator in high glucose level. Targeting the aberrantly regulated core factors in Hippo pathway might be a more effective therapeutic approach for liver cancer associated with possibly diabetes. PMID- 29217191 TI - TNF-alpha induces expression of the circadian clock gene Bmal1 via dual calcium dependent pathways in rheumatoid synovial cells. AB - Tumor necrosis factor (TNF)-alpha is responsible for expressions of several clock genes and affects joint symptoms of rheumatoid arthritis (RA) with diurnal fluctuation. We tried to determine the mechanism involved in over-expression of Bmal1, induced by TNF-alpha, in primary cultured rheumatoid synovial cells. Cells were incubated with intra-cellular Ca2+ chelator BAPTA-AM, calcineurin inhibitor FK506 and p300/CBP (CREB binding protein) inhibitor C646, respectively, or transfected with p300 and CBP small interfering RNA (siRNA) before stimulation with TNF-alpha. Oscillation phase and amplitude of Bmal1, transcriptional activator Roralpha, transcriptional repressor Rev-erbalpha, and histone acetyltransferases (p300 and Cbp) were evaluated by quantitative real-time PCR. As results, TNF-alpha did not influence the oscillation phase of Rev-erbalpha, while enhanced those of Roralpha, resulting in over-expression of Bmal1. When Ca2+ influx was inhibited by BAPTA-AM, TNF-alpha-mediated up-regulation of Roralpha was cancelled, however, that of Bmal1 was still apparent. When we further explored another pathway between TNF-alpha and Bmal1, TNF-alpha suppressed the expression of Rev-erbalpha in the absence of Ca2+ influx, as well as those of p300 and Cbp genes. Finally, actions of TNF-alpha, in increasing Bmal1/Roralpha and decreasing Rev-erbalpha, were cancelled by C646 treatment or silencing of both p300 and Cbp. In conclusion, we determined a novel role of TNF alpha in inducing Bmal1 via dual calcium dependent pathways; Roralpha was up regulated in the presence of Ca2+ influx and Rev-erbalpha was down-regulated in the absence of that. Results proposed that inhibition of p300/CBP could be new therapeutic targets for RA. PMID- 29217193 TI - Regulation of inflammatory gene expression in macrophages by epithelial-stromal interaction 1 (Epsti1). AB - Epithelial-stromal interaction 1 (EPSTI1) was first discovered as a gene induced in breast cancer epithelial cells by co-cultured stromal fibroblasts. There are many reports on the role of Epsti1 in cancer malignancy. Epsti1 is now well known in regulating cancer. Recently, the role of Epsti1 in the immune response has been reported; these reports suggest the role of Epsti1 in immune function, immune privilege, and autoimmune diseases. Furthermore, they show that Epsti1 is expressed in various types of immune cells. In this study, we observed that Epsti1 is highly expressed in macrophages exposed to IFNgamma and lipopolysaccharide (LPS), which classically activates macrophages. Polarization of macrophage to classically activated (M1) or alternatively activated (M2) is important for mounting responses against various infections. The M1 and M2 types of macrophage have a distinct role in the immune system. However, the molecular mechanism of modulation of the macrophage type is not well defined. Our results showed that the M2 type macrophage phenotype is enhanced in Epsti1-deficient bone marrow-derived macrophages (BMDM). In addition, Epsti1 deficiency suppresses induction of pro-inflammatory genes in BMDMs via inhibition of Stat1 and p65 nuclear localization and phosphorylation. Surprisingly, Epsti1-/- mice show decreased numbers of M1 macrophages in the peritoneal cavity. These findings identify Epsti1 as a modulator of macrophage activation and polarization via the Stat1 and p65 pathways, and suggest a potentially important role of Epsti1 in immunotherapies against inflammatory diseases. PMID- 29217194 TI - Long noncoding RNA SNHG15 promotes human breast cancer proliferation, migration and invasion by sponging miR-211-3p. AB - Long non-coding RNAs (lncRNA) have been demonstrated to act as essential regulators in the development and progression of breast cancer. In our study, we found that long noncoding RNA SNHG15 was highly expressed in breast cancer tissues and cell lines. And the expression of SNHG15 was correlated with TNM stage, lymphnode metastasis and survival in breast cancer patients. SNHG15 knockdown significantly inhibited the proliferation and induced apoptosis in breast cancer cells in vitro and in vivo. Besides, SNHG15 downregulation suppressed cell migration and invasion in MCF-7 and BT-20 cells, and inhibited epithelial-mesenchymal transition (EMT). In mechanism, we found that SNHG15 acted as a competing endogenous RNA to sponge miR-211-3p, which was downregulated in breast cancers and inhibited cell proliferation and migration. Our results showed that there was a negative correlation between SNHG15 and miR-211-3p expression in breast cancer patients. Collectively, we, for the first time, revealed the functions of SNHG15 and miR-211-3p in breast cancer. PMID- 29217195 TI - Calmodulin-dependent protein kinase II (CaMKII) mediates radiation-induced mitochondrial fission by regulating the phosphorylation of dynamin-related protein 1 (Drp1) at serine 616. AB - Mitochondrial dynamics are suggested to be indispensable for the maintenance of cellular quality and function in response to various stresses. While ionizing radiation (IR) stimulates mitochondrial fission, which is mediated by the mitochondrial fission protein, dynamin-related protein 1 (Drp1), it remains unclear how IR promotes Drp1 activation and subsequent mitochondrial fission. Therefore, we conducted this study to investigate these concerns. First, we found that X-irradiation triggered Drp1 phosphorylation at serine 616 (S616) but not at serine 637 (S637). Reconstitution analysis revealed that introduction of wild type (WT) Drp1 recovered radiation-induced mitochondrial fission, which was absent in Drp1-deficient cells. Compared with cells transfected with WT or S637A Drp1, the change in mitochondrial shape following irradiation was mitigated in S616A Drp1-transfected cells. Furthermore, inhibition of CaMKII significantly suppressed Drp1 S616 phosphorylation and mitochondrial fission induced by IR. These results suggest that Drp1 phosphorylation at S616, but not at S637, is prerequisite for radiation-induced mitochondrial fission and that CaMKII regulates Drp1 phosphorylation at S616 following irradiation. PMID- 29217196 TI - Short-term exposure to dim light at night disrupts rhythmic behaviors and causes neurodegeneration in fly models of tauopathy and Alzheimer's disease. AB - The accumulation and aggregation of phosphorylated tau proteins in the brain are the hallmarks for the onset of Alzheimer's disease (AD). In addition, disruptions in circadian rhythms (CRs) with altered sleep-wake cycles, dysregulation of locomotion, and increased memory defects have been reported in patients with AD. Drosophila flies that have an overexpression of human tau protein in neurons exhibit most of the symptoms of human patients with AD, including locomotion defects and neurodegeneration. Using the fly model for tauopathy/AD, we investigated the effects of an exposure to dim light at night on AD symptoms. We used a light intensity of 10 lux, which is considered the lower limit of light pollution in many countries. After the tauopathy flies were exposed to the dim light at night for 3 days, the flies showed disrupted CRs, altered sleep-wake cycles due to increased pTau proteins and neurodegeneration, in the brains of the AD flies. The results indicate that the nighttime exposure of tauopathy/AD model Drosophila flies to dim light disrupted CR and sleep-wake behavior and promoted neurodegeneration. PMID- 29217197 TI - Effect of lncRNA HOXA11-AS1 on adipocyte differentiation in human adipose-derived stem cells. AB - AIMS: To determine the role of lncRNA HOXA11-AS1 on adipocyte differentiation. METHODS: Human adipose-derived stem cells (hADSCs) were isolated from adipose tissues of patients and cultured in vitro, followed by knockdown of HOXA11-AS1. Then, adipocyte differentiation and expression of adipogenic-related genes (CEBP alpha, DGAT2, CIDEC, and perilipin) were measured by RT-qPCR and Western blot. RESULTS: We demonstrated that knockdown of HOXA11-AS1 inhibited adipocyte differentiation, leading to suppression of adipogenic-related gene (CEBP-alpha, DGAT2, CIDEC, and perilipin) transcription, as well as decreased lipid accumulation in hADSCs. In addition, lncRNA HOXA11-AS1 was highly expressed in obese patients and significantly increased during the process of adipocyte differentiation. CONCLUSION: The results provide new insight into the molecular mechanism by which lncRNA HOXA11-AS1 is involved in adipogenesis and may have implications for the treatment of obesity and associated disorders. PMID- 29217198 TI - Clinical, Molecular, and Computational Analysis in two cases with mitochondrial encephalomyopathy associated with SUCLG1 mutation in a consanguineous family. AB - Deficiency of the mitochondrial enzyme succinyl COA ligase (SUCL) is associated with encephalomyopathic mtDNA depletion syndrome and methylmalonic aciduria. This disorder is caused by mutations in both SUCL subunits genes: SUCLG1 (alpha subnit) and SUCLA2 (beta subnit). We report here, two Tunisian patients belonging to a consanguineous family with mitochondrial encephalomyopathy, hearing loss, lactic acidosis, hypotonia, psychomotor retardation and methylmalonic aciduria. Mutational analysis of SUCLG1 gene showed, for the first time, the presence of c.41T > C in the exon 1 at homozygous state. In-silico analysis revealed that this mutation substitutes a conserved methionine residue to a threonine at position 14 (p.M14T) located at the SUCLG1 protein mitochondrial targeting sequence. Moreover, these analysis predicted that this mutation alter stability structure and mitochondrial translocation of the protein. In Addition, a decrease in mtDNA copy number was revealed by real time PCR in the peripheral blood leukocytes in the two patients compared with controls. PMID- 29217199 TI - Efficient generation of transgene- and feeder-free induced pluripotent stem cells from human dental mesenchymal stem cells and their chemically defined differentiation into cardiomyocytes. AB - Advance in stem cell research resulted in several processes to generate induced pluripotent stem cells (iPSCs) from adult somatic cells. In our previous study, the reprogramming of iPSCs from human dental mesenchymal stem cells (MSCs) including SCAP and DPSCs, has been reported. Herein, safe iPSCs were reprogrammed from SCAP and DPSCs using non-integrating RNA virus vector, which is an RNA virus carrying no risk of altering host genome. DPSCs- and SCAP-derived iPSCs exhibited the characteristics of the classical morphology with human embryonic stem cells (hESCs) without integration of foreign genes, indicating the potential of their clinical application. Moreover, induced PSCs showed the capacity of self-renewal and differentiation into cardiac myocytes. We have achieved the differentiation of hiPSCs to cardiomyocytes lineage under serum and feeder-free conditions, using a chemically defined medium CDM3. In CDM3, hiPSCs differentiation is highly generating cardiomyocytes. The results showed this protocol produced contractile sheets of up to 97.2% TNNT2 cardiomyocytes after purification. Furthermore, derived hiPSCs differentiated to mature cells of the three embryonic germ layers in vivo and in vitro of beating cardiomyocytes. The above whole protocol enables the generation of large scale of highly pure cardiomyocytes as needed for cellular therapy. PMID- 29217201 TI - Expression and purification of the human epidermal growth factor receptor extracellular domain. AB - In the fields of drug discovery and protein science, small quantities of proteins are always needed to investigate or validate protein-protein (or protein-small molecule) interactions. Traditional transient or stable expression method to obtain recombinant proteins in eukaryotic systems can be laborious and time consuming, especially when multiple protein variants are required. Here, we present a fast and convenient method for obtaining small quantities of recombinant human epidermal growth factor receptor (rhEGFR) ectodomain protein, which could be efficiently extended to the expression of other eukaryotic proteins. Human EGFR ectodomain gene was inserted into the plasmid pBMN-GFP and recombinant plasmid was transfected into HEK 293 T cells. In the presence of hygromycin, cells with the integrated human EGFR ectodomain gene were selected and proliferated. rhEGFR ectodomain in cell culture supernatant was purified using serial connected diethylaminoethyl Sepharose column and Ni-NTA Sepharose column. Purity of the final purified rhEGFR ectodomain was over 95% according to SDS-PAGE analysis. Moreover, the purified target protein was biological active via measuring the affinity between the rhEGFR ectodomain and rhEGF. Our method could greatly facilitate research in the areas of protein science, protein structural biology, and drug discovery. PMID- 29217202 TI - Cell-free production, purification and characterization of human mitochondrial ADP/ATP carriers. AB - Mitochondrial Carriers (MCs) are responsible for fluent traffic of a variety of compounds that need to be shuttled via mitochondrial inner membranes to maintain cell metabolism. The ADP/ATP Carriers (AACs) are responsible for the import of ADP inside the mitochondria and the export of newly synthesized ATP. In human, four different AACs isoforms are described which are expressed in tissue-specific manner. They are involved in different genetic diseases and play a role in cancerogenesis. Up to now only the structures of the bovine (isoform 1) and yeast (isoforms 2 and 3) AAC have been determined in one particular conformation, obtained in complex with the CATR inhibitor. Herein, we report that full-length human ADP/ATP Carriers isoform 1 and 3 were successfully expressed in cell-free system and purified in milligram amounts in detergent-solubilized state. The proteins exhibited the expected secondary structure content. Thermostability profiles showing stabilization by the CATR inhibitor suggest that the carriers are well folded. PMID- 29217200 TI - Timing is everything: Reiterative Wnt, BMP and RA signaling regulate developmental competence during endoderm organogenesis. AB - A small number of signaling pathways are used repeatedly during organogenesis, and they can have drastically different effects on the same population of cells depending on the embryonic stage. How cellular competence changes over developmental time is not well understood. Here we used Xenopus, mouse, and human pluripotent stem cells to investigate how the temporal sequence of Wnt, BMP, and retinoic acid (RA) signals regulates endoderm developmental competence and organ induction, focusing on respiratory fate. While Nkx2-1+ lung fate is not induced until late somitogenesis stages, here we show that lung competence is restricted by the gastrula stage as a result of Wnt and BMP-dependent anterior-posterior (A P) patterning. These early Wnt and BMP signals make posterior endoderm refractory to subsequent RA/Wnt/BMP-dependent lung induction. We further mapped how RA modulates the response to Wnt and BMP in a temporal specific manner. In the gastrula RA promotes posterior identity, however in early somite stages of development RA regulates respiratory versus pharyngeal potential in anterior endoderm and midgut versus hindgut potential in posterior endoderm. Together our data suggest a dynamic and conserved response of vertebrate endoderm during organogenesis, wherein early Wnt/BMP/RA impacts how cells respond to later Wnt/BMP/RA signals, illustrating how reiterative combinatorial signaling can regulate both developmental competence and subsequent fate specification. PMID- 29217203 TI - Effect of milling on the plastic and the elastic stiffness of lactose particles. AB - The purpose of this study was to investigate the effect of degree of disorder of a series of alpha-lactose monohydrate powders, prepared by milling for different time periods, on the plastic and the elastic stiffness of the particles. As references, a series of physical mixtures consisting of original crystalline particles and amorphous particles obtained by spray-drying was used. In addition, the effect of powder pre-storage humidity on the mechanical properties was investigated. For milled particles of a low degree of disorder, a decreased particle size increased the particle plastic stiffness. For milled particles of constant particle size, the plastic stiffness decreased with an increased degree of disorder while the elastic stiffness seemed nearly independent of the degree of disorder. The presence of moisture caused a recrystallisation of milled particles with low degree of disorder which increased their plastic stiffness. For the physical mixtures of crystalline and amorphous particles, similar relationships between plastic stiffness and amorphous content as for the milled powders were obtained. A reasonable explanation is that the nature of the milled particles is represented by a two-state system with crystalline and amorphous domains. PMID- 29217204 TI - Appropriateness and Complications of Peripheral Venous Catheters Placed in an Emergency Department. AB - BACKGROUND: The insertion of peripheral venous catheters (PVCs) is the invasive procedure most frequently performed in hospitals, and it could be associated with complications. The appropriateness of PVC placement, however, has not been carefully analyzed. OBJECTIVES: We conducted a study to assess the rate of PVC placement in our Emergency Department (ED), their use, their immediate or potential usefulness, and their complications. METHODS: In this descriptive prospective study, we recorded every PVC placed in our ED during 1 week and assessed its appropriateness in terms of its use and potential usefulness. We then followed the patients transferred to medical wards to determine the duration of PVC maintenance and any complications. RESULTS: PVCs (n = 210) were placed for 34% (n = 207) of the 605 patients admitted to the ED during the study period. Of these PVCs, 27% (n = 52) were not used and 43% (n = 91) were considered ineffective. Follow-up covered 92 patients with PVCs transferred to medical wards. We recorded seven episodes of phlebitis (8%) and no infections, local or systemic. The mean duration of PVS maintenance in the medical wards was 40 h from insertion. Of the PVCs with complications, 43% were ineffective. The mean duration of maintenance of the PVCs that led to complications was 80 h, compared with 35 h for those without complications (p < 0.02). CONCLUSION: In accordance with the literature, half of the PVCs inserted in our ED were ineffective; half the PVCs causing complications were avoidable. PMID- 29217206 TI - Comments On The Treatment Of Resistant Tuberculosis. PMID- 29217205 TI - Increased Urinary Erythropoietin Excretion in Severe Sleep Apnea-Hipoapnea Syndrome: The Effect of CPAP. AB - INTRODUCTION: Tissue hypoxia stimulates the production of erythropoietin (EPO), the main effect of which is, in turn, to stimulate erythropoiesis. Sleep apnea hypopnea syndrome (SAHS) is an entity characterized by repeated episodes of hypoxemia during sleep. OBJECTIVE: To analyze whether hypoxemia stimulated increased urinary excretion of EPO, and if so, to evaluate if treatment with continuous positive airway pressure (CPAP) can inhibit this phenomenon. METHODS: We studied 25 subjects with suspected SAHS who underwent a polysomnography study (PSG). EPO levels in first morning urine (uEPO) and blood creatinine and hemoglobin were determined in all patients. Patients with severe SAHS repeated the same determinations after CPAP treatment. RESULTS: Twelve subjects were diagnosed with severe SAHS (mean +/- SD, AHI 53.1 +/- 22.7). Creatinine and hemoglobin levels were normal in all subjects. uEPO was 4 times higher in the SAHS group than in the control group (1.32 +/- 0.83 vs. 0.32 +/- 0.35 UI/l, p <.002). CPAP treatment reduced uEPO to 0.61 +/- 0.9 UI/l (p <.02), levels close to those observed in healthy subjects. No dose-response relationship was observed between severity of PSG changes and uEPO values. CONCLUSIONS: Patients with severe SAHS show increased uEPO excretion, but this normalizes after treatment with CPAP. PMID- 29217207 TI - More Platon And Less Prozac: The Arrival Of ASTHMA-ZUMAB. PMID- 29217208 TI - Anisocoria Associated With Spontaneous Pneumomediastinum. PMID- 29217209 TI - Non-Invasive Ventilation In Non-COPD Subjects With Pneumonia: Benefits And Potential Complications. PMID- 29217210 TI - Smoking In COPD Patients: A New Clinical Phenotype? PMID- 29217211 TI - Mediating effects of cancer risk factors on the association between race and cancer incidence: analysis of the NIH-AARP Diet and Health Study. AB - PURPOSE: Racial disparities exist in the prevalence of cancer-related risk factors and incidence of cancer. The objective of this study is to determine if cancer-related risk factors mediate the association between race and cancer incidence. METHODS: We performed prospective analysis of data from the National Institutes of Health-American Association of Retired Persons Diet and Health Study, years 1995 through 2011. We compared differences in baseline characteristics between black and white participants using chi2 tests and Wilcoxon tests, as appropriate. We determined risk of any cancer and the most common cancer types (i.e., breast, prostate, and colorectal) using Cox Proportional hazards models, adjusted for age, sex, marital status, education, health status, region, and adherence to guidelines on cancer-related risk factors (i.e., body mass index [BMI], smoking status, physical activity, nutrition, and alcohol consumption). We examined the mediation effect of cancer-related risk factors on the association between race and cancer incidence. RESULTS: Among 425,152 participants, 16,110 (3.79%) were black, and 409,042 (96.21%) were white. The white participants were more likely to be aged 65 years and older (35.33% vs. 25.93%), male (60.88% vs. 42.67%), married (70.37% vs. 48.26%), reside in Western US (30.14% vs. 23.88%), be physically active (46.72% vs. 41.94%), and have higher adherence scores (3.14 vs. 3.04). Blacks had reduced risk of breast cancer (adjusted hazard ratio [HR]: 0.82, 95% confidence intervals [CI]: 0.74-0.90) but higher risk of prostate (adjusted HR: 1.86, 95% CI: 1.75-1.98) and colorectal cancer (adjusted HR: 1.17, 95% CI: 1.05-1.31) compared with whites. Nutrition mediated the association between race and breast cancer (6.35% mediated, P < .01), whereas BMI mediated the association between race and colorectal cancer (7.99% mediated, P < .01). CONCLUSIONS: Blacks were at reduced risk of breast cancer but increased risks for prostate and colorectal cancer incidence. Nutrition and BMI exerted small but significant mediating effects on the racial disparity in risk of breast and colorectal cancers, respectively. PMID- 29217212 TI - Ovarian Morphology by Transabdominal Ultrasound Correlates With Reproductive and Metabolic Disturbance in Adolescents With PCOS. AB - PURPOSE: To determine whether ovarian morphology imaged using transabdominal ultrasonography reflects clinical and metabolic features in adolescents with polycystic ovary syndrome (PCOS). METHODS: A retrospective pilot study was conducted in 33 adolescents (12-18 years) with PCOS as defined by hyperandrogenism and irregular cycles. Adolescents underwent the following assessments at a random time during the menstrual cycle: transabdominal ultrasonography, physical examination (height, weight, and systolic and diastolic blood pressure), fasting hormonal tests (free, percent free, and total testosterone, androstenedione, follicle stimulating hormone, luteinizing hormone), and metabolic tests (including an oral glucose tolerance test, fasting and 2-hour insulin and glucose, homeostatic model assessment of insulin resistance, and whole-body insulin sensitivity index). Ultrasound images were analyzed offline for ovarian area (OA), ovarian volume (OV), follicle number per cross section (FNPS), and follicle distribution pattern. Associations among endocrine and metabolic variables with sonographic features were assessed by Spearman's rank correlation coefficients and stepwise multiple linear regression. RESULTS: Total testosterone and androstenedione, but not free testosterone, or percent free testosterone, positively correlated with OA (rho = .515, rho = .422, respectively), OV (rho = .451, rho = .382), and FNPS (rho = .394, rho = .474). Luteinizing hormone:follicle stimulating hormone ratio also positively correlated with ovarian size (OA, rho = .520 and OV, rho = .409). Unexpectedly, body mass index (rho = -.503) and fasting glucose levels (rho = -.393) were inversely correlated with FNPS. Total testosterone was an independent predictor of FNPS, OA, and OV as judged by stepwise multiple regression analyses. CONCLUSIONS: Some aspects of ovarian morphology in adolescents with PCOS using transabdominal ultrasonography associate with markers of reproductive dysfunction and provide rationale to further investigate how ovarian morphology may reflect concurrent metabolic dysfunction. PMID- 29217213 TI - Adolescent Sexual Risk Taking: The Distribution of Youth Behaviors and Perceived Peer Attitudes Across Neighborhood Contexts. AB - PURPOSE: Sexual activity is a normative part of adolescent development, yet early sexual debut and sex with multiple partners undermine health and well-being. Both structural (e.g., poverty) and social (e.g., norms) characteristics of neighborhoods shape sexual risk taking, yet scholarship remains focused on urban areas. Thus, this study explores sexually permissive attitudes and sexual risk taking across a wider expanse of neighborhood types. METHODS: Among 8,337 nonsexually active respondents in Wave I (1994-1995 [ages 11-18]) of the National Longitudinal Study of Adolescent to Adult Health (Add Health), a hierarchical linear model and a hierarchical generalized linear model were used to estimate the effect of neighborhood type and permissive sexual climate on youths' sexual debut, age at debut, and lifetime number of sexual partners by Wave III (2001 2002 [ages 18-26]), controlling for individual, familial, and peer factors. RESULTS: Sexual climates varied in overall permissiveness and internal consistency both across and within neighborhood types and were linked to increased sexual risk taking. Compared with youth from upper middle class white suburbs, the odds of sexual debut and the number of partners were highest among youth from rural (black and white) neighborhoods; youth from almost all other neighborhood types initiated sex earlier. CONCLUSIONS: Early sexual debut in adolescence is a public health issue with immediate and long-term implications. Adolescence unfolds in neighborhood environments, the characteristics of which may spur youth into such risk taking. Continued scholarship on sexual risks should consider further variations in the geographic distributions of such risks to investigate more fully their consequences. PMID- 29217215 TI - Relationship between hallucination proneness and musical aptitude is mediated by microstructure in the corpus callosum. PMID- 29217214 TI - Reducing Physical Violence Toward Primary School Students With Disabilities. AB - PURPOSE: We tested whether the Good School Toolkit reduces physical violence from peers and school staff toward students with and without disabilities in Ugandan primary schools. METHODS: We conducted a cluster randomized controlled trial, with data collected via cross-sectional surveys in 2012 and 2014. Forty-two primary schools in Luwero District, Uganda, were randomly assigned to receive the Good School Toolkit for 18 months, or to a waitlisted control group. The primary outcome was past week physical violence from school staff, measured by primary 5, 6, and 7 students' (aged 11-14 years) self-reports using the International Society for the Prevention of Child Abuse and Neglect Child Abuse Screening Tool Child Institutional. Disability was assessed through the six Short Set Washington Group questions on functioning. Analyses were by intention to treat. RESULTS: At endline, 53% of control group students with no functional difficulties reported violence from peers or school staff, versus 84% of students with a disability. Prevalence of past week physical violence from school staff was lower in intervention schools than in the control schools after the intervention, in students with no functional difficulties (adjusted odds ratio [aOR] = .41, 95% confidence interval [CI .26-.65]), students with some functional difficulties (aOR = .36, 95% CI .21-.63), and students with disabilities (aOR = .29, 95% CI .14-.59). The intervention also reduced violence from peers in young adolescents, with no evidence of a difference in effect by disability status. CONCLUSIONS: The Good School Toolkit is an effective intervention to reduce violence perpetrated by peers and school staff against young adolescents with disabilities in Ugandan primary schools. PMID- 29217216 TI - Corrigendum to "Expression of polymeric immunoglobulin receptor and stromal activity in pancreatic ductal adenocarcinoma" [Pancreatology 17 (2017) 295-302]. PMID- 29217218 TI - Nature-based solutions for resilient landscapes and cities. AB - Nature-based solutions (NBS) are increasingly applied to guide the design of resilient landscapes and cities to enable them to reach economic development goals with beneficial outcomes for the environment and society. The NBS concept is closely related to other concepts including sustainability, resilience, ecosystem services, coupled human and environment, and green (blue) infrastructure; however, NBS represent a more efficient and cost-effective approach to development than traditional approaches. The European Commission is actively engaged in investing in NBS as a driver in developing ecosystem services based approaches throughout Europe and the world. The pool of knowledge and expertise presented in this Special Issue of Environmental Research highlights the applications of NBS as 'living' and adaptable tools to boost the capacity of landscapes and cities to face today's critical environmental, economic and societal challenges. Based on the literature and papers of this Special Issue, we propose five specific challenges for the future of NBS. PMID- 29217217 TI - Antioxidant Role of Vitamin D in Mice With Alloxan-Induced Diabetes. AB - OBJECTIVES: The discovery of vitamin D receptors has revolutionized the understanding of vitamin D biology, which is now thought to influence a wide array of cell pathways. The antihyperglycemic actions of vitamin D involving calcium metabolism have been widely discussed, but studies are now suggesting a possibility of vitamin D-induced amelioration of oxidative stress. Despite its significance in disease pathogenesis, oxidative status remains poorly investigated with respect to vitamin D treatment in the biology of diabetes mellitus. The present study was aimed at assessing the antioxidant therapeutic potential of vitamin D in diabetes mellitus. METHODS: Balb/c mice were induced to experimental diabetes with a single dose of alloxan. Following a 15-day treatment period, various parameters pertaining to glucose metabolism, oxidative stress, zinc concentration and DNA damage were analyzed. RESULTS: With the exception of superoxide dismutase and catalase, the antioxidant enzyme activities were slightly altered in various groups. However, improved glucose homeostasis and zinc concentration and reduced DNA damage were observed in the group treated with vitamin D. CONCLUSIONS: The present work accounts for the ubiquitous roles of vitamin D in various diseases and highlights its role as a therapeutic intervention in diabetes mellitus. PMID- 29217219 TI - Device Closure of a Ventricular Septal Rupture in a Patient on ECMO. PMID- 29217220 TI - Transaxillary Implantation of the Impella CP Mechanical Circulatory Support Device as a Bridge to Heart Transplant. First Experience in Spain. PMID- 29217221 TI - Selection of the Best of 2017 in Clinical Cardiology. Continuum Healthcare Between Cardiology and Primary Care. PMID- 29217222 TI - Electroacupuncture Reduces Incontinence Episodes in Women With Stress Urinary Incontinence. PMID- 29217223 TI - Temporal variability of global DNA methylation and hydroxymethylation in buccal cells of healthy adults: Association with air pollution. AB - BACKGROUND: Epigenetic changes, such as DNA methylation, are observed in response to environmental exposure and in the development of several chronic diseases. Consequently, DNA methylation alterations might serve as indicators of early effects. In this context, the aim of this study was to assess the temporal variability of global DNA methylation and hydroxymethylation levels in buccal cells from healthy adult volunteers. METHODS: Global DNA methylation (%5mdC) and hydroxymethylation (%5hmdC) levels in human buccal cells, collected from 26 healthy adults at different time points, were quantified by UPLC-MS/MS. Associations between %5mdC and %5hmdC, respectively, and short-term exposure (1 7days) to air pollutants PM2.5 and PM10 were tested with mixed-effects models including various covariates. RESULTS/DISCUSSION: Dynamic short-term changes in DNA methylation and hydroxymethylation levels in buccal cells were observed, which were inversely associated with exposure to PM2.5 and PM10. An IQR increase in PM2.5 over a 7-day moving average period was significantly associated with a decrease of -1.47% (-1.74%, -1.20%) and -0.043% (-0.054%, -0.032%) in %5mdC and %5hmdC, respectively. Likewise, for PM10, a decrease of -1.42% (-1.70, -1.13) and -0.040% (-0.051%, -0.028%) was observed. CONCLUSION: Global DNA methylation and hydroxymethylatation varied over a time period of three weeks. The observed temporal variability was associated with exposure to ambient PM2.5 and PM10 levels. This should be taken into account when interpreting epigenetic alterations in buccal cells. PMID- 29217224 TI - The neural correlates of self-referential memory encoding and retrieval in schizophrenia. AB - BACKGROUND: Enhanced memory for self-oriented information is known as the self referential memory (SRM) effect. fMRI studies of the SRM effect have focused almost exclusively on encoding, revealing selective engagement of the medial prefrontal cortex (mPFC) during "self" relative to other processing conditions. Other critical areas for self-processing include ventrolateral prefrontal cortex (vlPFC), temporo-parietal junction (TPJ) and posterior cingulate/precuneus (PCC/PC). Previous behavioral studies show that individuals with schizophrenia fail to benefit from this memory boost. However, the neural correlates of this deficit, at either encoding or retrieval, are unknown. METHODS: Twenty individuals with schizophrenia and 16 healthy controls completed an event-related fMRI SRM paradigm. During encoding, trait adjectives were judged in terms of structural features ("case" condition), social desirability ("other" condition), or as self-referential ("self" condition). Participants then completed an unexpected recognition test (retrieval phase). We examined BOLD activation during both encoding and retrieval within mPFC, vlPFC, TPJ, and PCC/PC regions-of interest (ROIs). RESULTS: During encoding, fMRI data indicated both groups had greater activation during the "self" relative to the "other" condition across ROIs. Controls showed this primarily in mPFC whereas patients showed this in PCC/PC. During retrieval, fMRI data indicated controls showed differentiation across ROIs between "self" and "other" conditions, but patients did not. CONCLUSIONS: Results suggest regional differences in the neural processing of self-referential information in individuals with schizophrenia, perhaps because representation of the self is not as well established in patients relative to controls. The current study presents novel findings that add to the literature implicating impaired self-oriented processing in schizophrenia. PMID- 29217225 TI - Translation and Cross-Cultural Adaptation of Health Assessment Tools. PMID- 29217226 TI - Imiquimoid 5%: In Pursuit of New Treatment Regimens for Actinic Keratosis. PMID- 29217227 TI - Histoplasmosis: An Emerging Endemic Mycosis. PMID- 29217228 TI - Primary Cutaneous Mucormycosis Due to Rhizopus arrhizus in an 8-Year-Old Girl. PMID- 29217229 TI - Idiopathic Facial Aseptic Granuloma: Clinical and Ultrasound Findings in 3 Cases. AB - Idiopathic facial aseptic granuloma is a typical childhood disease characterized by the presence of one or more asymptomatic nodules on the cheek. Although pathogenesis remains unclear, the disease is thought to be a type of childhood rosacea. It resolves spontaneously, yet it could be confused with other lesions that require treatment. We present clinical and ultrasound findings and outcome from 3 new cases. In 2 cases, the lesion presented as childhood rosacea. Ultrasound revealed a characteristic pattern, with variations depending on the stage of development. High-frequency ultrasound can facilitate the differential diagnosis and thus obviate unnecessary biopsy or excision. PMID- 29217230 TI - How can we find out the perfect admission electrocardiographic parameter to predict no-reflow? PMID- 29217231 TI - Risk Factors for Radial-to-Femoral Artery Pressure Gradient in Patients Undergoing Cardiac Surgery With Cardiopulmonary Bypass. AB - OBJECTIVE: To identify risk factors associated with radial-to-femoral pressure gradient during cardiac surgery with cardiopulmonary bypass (CPB). DESIGN: This is a retrospective, observational study. SETTING: Single specialized cardiothoracic hospital in Montreal, Canada. PARTICIPANTS: Consecutive patients that underwent heart surgery with CPB between 2005 and 2015 (n = 435). INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: A radial-to-femoral pressure gradient occurred in 146 patients of the 435 patients (34%). Based on the 10,000 bootstrap samples, simple logistic regression models identified the 17 most commonly significant variables across the bootstrap runs. Using these variables, a backward multiple logistic model was performed on the original sample and identified the following independent variables: body surface area (m2) (odds ratio [OR] 0.08, 95% confidence interval [CI] 0.030-0.232), clamping time (minutes) (OR 1.01, 95% CI 1.007-1.018), fluid balance (for 1 liter) (OR 0.81, 95% CI 0.669-0.976), and preoperative hypertension (OR 1.801, 95% CI 1.131 2.868). CONCLUSION: A radial-to-femoral pressure gradient occurs in 34% of patients during cardiac surgery. Patients at risk seem to be of smaller stature, hypertensive, and undergo longer and more complex surgeries. PMID- 29217232 TI - The Right Answer. PMID- 29217233 TI - Pro: Factor Concentrates are Essential for Hemostasis in Complex Cardiac Surgery. PMID- 29217234 TI - Outcomes Following Three-Factor Inactive Prothrombin Complex Concentrate Versus Recombinant Activated Factor VII Administration During Cardiac Surgery. AB - OBJECTIVE: To compare outcomes following inactive prothrombin complex concentrate (PCC) or recombinant activated factor VII (rFVIIa) administration during cardiac surgery. DESIGN: Retrospective propensity-matched analysis. SETTING: Academic tertiary-care center. PARTICIPANTS: Patients undergoing cardiac surgery requiring cardiopulmonary bypass who received either rFVIIa or the inactive 3-factor PCC. INTERVENTIONS: Outcomes following intraoperative administration of rFVIIa (263) or factor IX complex (72) as rescue therapy to treat bleeding. MEASUREMENTS AND MAIN RESULTS: In the 24 hours after surgery, propensity-matched patients receiving PCC versus rFVIIa had significantly less chest tube outputs (median difference -464 mL, 95% confidence interval [CI] -819 mL to -110 mL), fresh frozen plasma transfusion rates (17% v 38%, p = 0.028), and platelet transfusion rates (26% v 49%, p = 0.027). There were no significant differences between propensity-matched groups in postoperative stroke, deep venous thrombosis, pulmonary embolism, myocardial infarction, or intracardiac thrombus. Postoperative dialysis was significantly less likely in patients administered PCC versus rFVIIa following propensity matching (odds ratio = 0.3, 95% CI 0.1-0.7). No significant difference in 30-day mortality in patients receiving PCC versus rFVIIa was present following propensity matching. CONCLUSIONS: Use of rFVIIa versus inactive PCCs was significantly associated with renal failure requiring dialysis and increased postoperative bleeding and transfusions. PMID- 29217235 TI - Preserved Posterior Mitral Leaflet Mimicking Periannular Mass. PMID- 29217236 TI - Accuracy, Precision, and Trending of 4 Pulse Wave Analysis Techniques in the Postoperative Period. AB - OBJECTIVE: The aim of this study was to analyze the accuracy, precision, and trending ability of the following 4 pulse wave analysis devices to measure continuous cardiac output: PiCCO2 ([PCCO]; Pulsion Medical System, Munich, Germany); LiDCORapid ([LCCO]; LiDCO Ltd, London, UK); FloTrac/Vigileo ([FCCO]; Edwards Lifesciences, Irvine, CA); and Nexfin ([NCCO]; BMEYE, Amsterdam, The Netherlands). DESIGN: Prospective, observational clinical study. SETTING: Intensive care unit of a single-center, teaching hospital. PARTICIPANTS: The study comprised 22 adult patients after elective coronary artery bypass surgery. INTERVENTIONS: Three measurement cycles were performed in all patient durings their immediate postoperative intensive care stay before and after fluid loading. Hemodynamic measurements were performed 5 minutes before and immediately after the administration of 500 mL colloidal fluid over 20 minutes. MEASUREMENTS AND MAIN RESULTS: PCCO, LCCO, FCCO, and NCCO were assessed and compared with cardiac output derived from intermittent transpulmonary thermodilution (ICO). One hundred thirty-two matched sets of data were available for analysis. Bland-Altman analysis using linear mixed effects models with random effects for patient and trial revealed a mean bias +/-2 standard deviation (%error) of -0.86 +/- 1.41 L/min (34.9%) for PCCO-ICO, -0.26 +/- 2.81 L/min (46.3%) for LCCO-ICO, -0.28 +/- 2.39 L/min (43.7%) for FCCO-ICO, and -0.93 +/- 2.25 L/min (34.6%) for NCCO-ICO. Bland-Altman plots without adjustment for repeated measurements and replicates yielded considerably larger limits of agreement. Trend analysis for all techniques did not meet criteria for acceptable performance. CONCLUSIONS: All 4 tested devices using pulse wave analysis for measuring cardiac output failed to meet current criteria for meaningful and adequate accuracy, precision, and trending ability in cardiac output monitoring. PMID- 29217237 TI - Pharmacokinetics of Magnesium in Cardiac Surgery: Implications for Prophylaxis Against Atrial Fibrillation. PMID- 29217238 TI - Feasibility and Impact of Focused Intraoperative Transthoracic Echocardiography on Management in Thoracic Surgery Patients: An Observational Study. AB - OBJECTIVES: Intraoperative focused transthoracic echocardiography (TTE) is feasible and has an effect on the management of hemodynamically unstable surgical patients. Furthermore, in noncardiac thoracic surgery, TTE might provide additional information for hemodynamic treatment. Transthoracic accessibility during thoracic surgical interventions is assumed to be difficult. For patients positioned on their right side, a modified subcostal transthoracic view might be helpful. DESIGN: A prospective observational study. SETTING: Single-center university hospital. PARTICIPANTS: The study comprised 105 consecutive patients undergoing noncardiac thoracic surgery. INTERVENTIONS: Focused TTE was performed during anesthetic induction after intubation for mechanical ventilation. Intraoperative focused TTE, after positioning and draping for surgery, was attempted again for all 105 patients. Changes in patient management due to the results of the TTE were documented and analyzed. MEASUREMENTS AND MAIN RESULTS: Presurgical TTE with mechanical ventilation was applied successfully in 98.1% of 105 patients. Intraoperative imaging was successful in 90 patients (85.7%). Results of intraoperative TTE led to the modification of perioperative management in 39 patients (37.1%), 20 (22.0%) of these during surgery. CONCLUSIONS: TTE in noncardiac thoracic surgery is feasible using a modified subcostal view and has an effect on hemodynamic management in a considerable number of patients. PMID- 29217240 TI - The Role of Intraoperative Transesophageal Echocardiography in Identifying a Fenestrated Occlusion of the Inferior Vena Cava During Pulmonary Thromboendarterectomy. PMID- 29217239 TI - Morphologic Evaluation of the Mitral Annulus During Displacement of the Heart in Off-Pump Coronary Artery Bypass Surgery. AB - OBJECTIVE: To evaluate the morphologic changes of the mitral annulus using 3 dimensional transesophageal echocardiography during heart displacement to expose the anastomosis site in off-pump coronary artery bypass surgery (OPCAB). DESIGN: Prospective case series. SETTING: Single center, university hospital. PARTICIPANTS: The study comprised 34 consecutive patients who underwent OPCAB of the left circumflex artery (LCX) and the right coronary artery (RCA). INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Mitral annulus parameters were measured using the Mitral Valve Quantification program after sternotomy (physiologic position) and during displacement of the heart to expose the LCX (LCX position) and the RCA (RCA position). The height of the mitral annulus was significantly lower in the LCX (5.76 +/- 0.90 mm) and RCA (5.92 +/- 0.97 mm) positions than in the physiologic position (6.96 +/- 0.99 mm; both p < 0.0001). The percent change in the height of the mitral annulus was significantly greater in the mitral regurgitation group than in the mitral regurgitation nondeterioration group when in the LCX (-16.3% +/- 6.0% v -11.9% +/- 3.3%, p = 0.0203) and RCA (-16.9% +/- 6.3% v -12.1% +/- 3.8%, p = 0.0207) positions. The anteroposterior and intercommissural diameters, annulus perimeter, and surface area of the mitral annulus did not differ significantly among all heart positions. CONCLUSIONS: The mitral annulus flattened and lost its saddle shape without expanding while in the LCX and RCA positions. The greater percent change in the height of the mitral annulus may aggravate mitral regurgitation. PMID- 29217241 TI - Myocardial Protection in Mitral Valve Surgery: Comparison Between Minimally Invasive Approach and Standard Sternotomy. AB - OBJECTIVE: To compare antegrade and retrograde cardioplegia administration in minimally invasive mitral valve surgery (MIMS) and open mitral valve surgery (OMS) for myocardial protection. DESIGN: Retrospective study. SETTING: Tertiary care university hospital. PARTICIPANTS: The study comprised 118 patients undergoing MIMS and 118 patients undergoing OMS. INTERVENTIONS: The data of patients admitted for MIMS from 2006 to 2010 were reviewed. Patients undergoing isolated elective OMS from 2004 to 2006 were used as a control group. Cardioplegia in the MIMS group was delivered via the distal port of the endoaortic clamp and an endovascular coronary sinus catheter positioned using echographic and fluoroscopic guidance. Antegrade and retrograde cardioplegia were used in OMS. Data regarding myocardial infarction (MI) (creatine kinase [CK]-MB, troponin T, electrocardiography); myocardial function; and hemodynamic stability were collected. MEASUREMENTS AND MAIN RESULTS: There was no difference in the perioperative MI incidence between both groups (1 in each group, p = 0.96). No statistically significant difference was found for maximal CK-MB (35.9 ug/L [25.1 50.1] v 37.9 ug/L [28.6-50.9]; p = 0.31) or the number of patients with CK-MB levels >50 ug/L (29 v 33; p = 0.55) or CK-MB >100 ug/L (3 v 4; p = 0.70) between the OMS and MIMS groups. However, maximum troponin T levels in the MIMS group were significantly lower (0.47 ug/L [0.32-0.79] v 0.65 ug/L [0.45-0.94]; p = 0.0007). No difference in the incidence of difficult weaning from bypass and intra-aortic balloon pump use between the MIMS and OMS groups was found. CONCLUSIONS: Antegrade and retrograde cardioplegia administration during MIMS and OMS provided comparable myocardial protection. PMID- 29217242 TI - Postoperative Pain After Cardiac Surgery: An Open Issue. PMID- 29217243 TI - The Power of Perioperative Dexmedetomidine. PMID- 29217244 TI - Intraoperative Transesophageal and Postoperative Transthoracic Echocardiographic Evaluation of a Mechanical Heart Valve Prosthesis Implanted at Aortic Position. AB - OBJECTIVE: The aims of this study were to evaluate the intraoperative transesophageal echocardiographic (iTEE) characteristics and Doppler flow profile of aortic Chitra heart valve prosthesis (CHVP) under stable hemodynamic and loading conditions, and to compare and correlate the iTEE data with the postoperative transthoracic echocardiography (TTE) data obtained at 48 hours (TTE1) and 3 months (TTE2) after the surgery. DESIGN: Prospective, observational study. SETTING: University-level tertiary referral hospital. PARTICIPANTS: Forty patients between 18 years and 65 years of age undergoing elective aortic valve replacement (AVR) using CHVP during the period January 2015 to August 2016. INTERVENTIONS: After obtaining permission from institutional ethics committee, 40 patients undergoing elective AVR were studied prospectively. The iTEE examination was performed in the pre-cardiopulmonary bypass (CPB) and post-CPB period in all the study subjects. CHVP was subjected to iTEE two-dimensional (2D) echo, color Doppler, and spectral Doppler evaluation under stable hemodynamic and loading condition in the post-CPB period after the administration of protamine. The CHVP were re-evaluated using TTE in all the patients 48 hours after the surgery (TTE1) and 3 months after the surgery (TTE2). The iTEE and postoperative TTE Doppler values were compared and correlated. MEASUREMENTS AND MAIN RESULTS: The CHVP could be imaged adequately and interrogated with Doppler in all the patients. None of the patients had restriction of occluder mobility or unstable seating of the valve. The intraoperative flow dependent (peak velocity [PV] and mean pressure gradient [MPG]) and less flow dependent (Doppler velocity index, acceleration time, acceleration time/ejection time, effective orifice area [EOA] and indexed EOA) Doppler parameters of CHVP were measured as per the American Society of Echocardiography recommendations. The PV and MPG of CHVP measured by iTEE showed no statistical difference (p > 0.05) and were in limits of agreement when compared with TTE1 and TTE2 data. CONCLUSION: The iTEE features of CHVP were found compliant with the criteria set by the ASE defining normal functioning of an aortic valve prosthesis. The iTEE Doppler parameters obtained under stable loading conditions strongly predicted the postoperative values of Doppler parameters on TTE examination. The iTEE Doppler values can be used as the reference values for the postoperative follow up studies. PMID- 29217245 TI - Intubated Versus Nonintubated General Anesthesia for Video-Assisted Thoracoscopic Surgery - A Case Control Study: A Response. PMID- 29217246 TI - Acute Type A Aortic Dissection and Successful Surgical Repair in a Woman at 21 Weeks Gestational Pregnancy With Maternal and Fetal Survival: A Case Report. PMID- 29217247 TI - Right Ventricular Rupture After Extubation of a Patient With an Open Chest. PMID- 29217248 TI - Accidental Complete Occlusion of Innominate Artery During Deployment of Thoracic Endovascular Aortic Repair Graft Following Hybrid Stage 1 Carotid-carotid Bypass: Is it Possible to Avert Consequences of Cerebral Ischemia? PMID- 29217249 TI - Successful Use of Serratus and Transversus Thoracic Plane Blocks for Subcutaneous Implantable Cardioverter-Defibrillator Placement. PMID- 29217250 TI - Reducing the Risk of Cardiac Perforation During Placement of Bicaval Veno-Venous Extracorporeal Membrane Oxygenation Cannulae. PMID- 29217251 TI - Effectiveness and Safety of Aprotinin Use in Thoracic Aortic Surgery. AB - OBJECTIVE: To determine the effectiveness and safety of aprotinin use in adult patients undergoing thoracic aortic surgery. DESIGN: Single-center, retrospective study. SETTING: All cases performed at a single university hospital. PARTICIPANTS: Between January 2004 and December 2014, 846 adult patients underwent thoracic aortic surgery. Due to missing or duplicated data on primary outcomes, 314 patients were excluded. The final sample of 532 patients underwent surgery on the thoracic aorta. INTERVENTIONS: The patients were divided in the following 2 groups: 107 patients (20.1%) received aprotinin during the surgery, which represented the study group, whereas the remaining 425 patients (79.9%) underwent surgery without the use of aprotinin. MEASUREMENTS AND MAIN RESULTS: To adjust for patient selection and preoperative characteristics, a propensity score matched analysis was conducted. Mean total blood loss at 12 hours after surgery was similar between the 2 groups. The blood product transfusion rates did not differ in the 2 groups, except for the rate of fresh frozen plasma transfusion being significantly higher in the aprotinin group. Re-exploration for bleeding and the incidence of a major postoperative bleeding event were similar between the groups. Rates of in-hospital mortality, renal failure, and cerebrovascular accidents did not show any statistically significant difference. Aprotinin did not represent a risk factor for mortality over the long term (hazard ratio 1.14, 95% confidence interval 0.62-2.08, p = 0.66). CONCLUSIONS: The use of aprotinin demonstrated a limited effect in reducing postoperative bleeding and prevention of major bleeding events. Aprotinin did not adversely affect early outcomes and long-term survival. PMID- 29217252 TI - Is It All Just Academic? PMID- 29217253 TI - Update on Cardiovascular Implantable Electronic Devices for Anesthesiologists. AB - With the advent of "wireless" endocardial pacing, the subcutaneous implantable cardioverter defibrillator, and leadless pacemakers comes an added layer of complexity to the perioperative management of cardiovascular implantable electronic devices (CIED). Since no formal recommendations currently exist for these new CIED technologies, preoperative identification of these devices, understanding their functionality, and developing an individualized perioperative management plan are imperative for the anesthesiologist. The following review is intended to provide the background information required to devise a successful perioperative management strategy for newer CIEDs. PMID- 29217254 TI - Are We Ready for Regional Mobile ECMO Programs? PMID- 29217256 TI - Lateral medullary syndrome following injury of the vestibular pathway to the core vestibular cortex: Diffusion tensor imaging study. AB - OBJECTIVE: The parieto-insular vestibular cortex (PIVC) is a core region of vestibular input into regions of the cortex. The vestibular nuclei have reciprocal connections with the PIVC. However, little is known about injury of the core vestibular pathway to the PIVC in patients with dorsolateral medullary infarctions. In this study, using diffusion tensor tractography (DTT), we investigated injury of the neural connections between the vestibular nuclei and the PIVC in patients with typical central vestibular disorder. METHODS: Eight consecutive patients with lateral medullary syndrome and 10 control subjects were recruited for this study. To reconstruct the core vestibular pathway to the PIVC, we defined the seed region of interest (ROI) as the vestibular nuclei of the pons and the target ROI as the PIVC. Fractional anisotropy (FA), mean diffusivity (MD), and tract volume were measured. RESULT: The core vestibular pathway to the PIVC showed significantly lower tract volume in patients compared with the control group (p<0.05). By contrast, other DTI parameters did not show significant differences between the patient and control groups (p>0.05). CONCLUSION: In conclusion, injury of the core vestibular pathway to the PIVC was demonstrated in patients with lateral vestibular syndrome following dorsolateral medullary infarcts. We believe that analysis of the core vestibular pathway to the PIVC using DTT would be helpful in evaluating patients with lateral medullary syndrome. PMID- 29217257 TI - Upregulation of BDNF and Interleukin-1beta in rat spinal cord following noxious hind paw stimulation. AB - The aim of the present study was to investigate the protein levels of BDNF and IL 1beta in the lumbar dorsal horn of the rat by Western blot analysis following a noxious thermal hind paw stimulation. Ten min, 1h and 3h after the combined chemical and thermal stimulation an up to 2-fold increase in BDNF and Il-1beta protein expression was observed in the lumbar dorsal spinal cord. A pretreatment with the opioid analgesic morphine or the glial cell activation inhibitor minocycline partly attenuated protein expression. The present findings indicate that the BDNF and IL-1beta induction within the dorsal horn may be linked to the development of hyperalgesia, and that opioid analgesics and probably inhibitors of glial cell activation can prevent sensitization in the pain pathway at spinal level. PMID- 29217255 TI - Forms and functions of store-operated calcium entry mediators, STIM and Orai. AB - Calcium signals arise by multiple mechanisms, including mechanisms of release of intracellular stored Ca2+, and the influx of Ca2+ through channels in the plasma membrane. One mechanism that links these two sources of Ca2+ is store-operated Ca2+ entry, the most commonly encountered version of which involves the extensively studied calcium-release-activated Ca2+ (CRAC) channel. The minimal and essential molecular components of the CRAC channel are the STIM proteins that function as Ca2+ sensors in the endoplasmic reticulum, and the Orai proteins that comprise the pore forming subunits of the CRAC channel. CRAC channels are known to play significant roles in a wide variety of physiological functions. This review discusses the multiple forms of STIM and Orai proteins encountered in mammalian cells, and discusses some specific examples of how these proteins modulate or mediate important physiological processes. PMID- 29217258 TI - Predictive brain networks for major depression in a semi-multimodal fusion hierarchical feature reduction framework. AB - Major depressive disorder (MDD) is characterized by dysregulation of distributed structural and functional networks. It is now recognized that structural and functional networks are related at multiple temporal scales. The recent emergence of multimodal fusion methods has made it possible to comprehensively and systematically investigate brain networks and thereby provide essential information for influencing disease diagnosis and prognosis. However, such investigations are hampered by the inconsistent dimensionality features between structural and functional networks. Thus, a semi-multimodal fusion hierarchical feature reduction framework is proposed. Feature reduction is a vital procedure in classification that can be used to eliminate irrelevant and redundant information and thereby improve the accuracy of disease diagnosis. Our proposed framework primarily consists of two steps. The first step considers the connection distances in both structural and functional networks between MDD and healthy control (HC) groups. By adding a constraint based on sparsity regularization, the second step fully utilizes the inter-relationship between the two modalities. However, in contrast to conventional multi-modality multi-task methods, the structural networks were considered to play only a subsidiary role in feature reduction and were not included in the following classification. The proposed method achieved a classification accuracy, specificity, sensitivity, and area under the curve of 84.91%, 88.6%, 81.29%, and 0.91, respectively. Moreover, the frontal-limbic system contributed the most to disease diagnosis. Importantly, by taking full advantage of the complementary information from multimodal neuroimaging data, the selected consensus connections may be highly reliable biomarkers of MDD. PMID- 29217259 TI - Gender differences in anomalous subcortical morphology for children with ADHD. AB - Although studies showed subtle reductions in brain volume in fronto-striatial regions in children with ADHD, there have been limited investigations of volume and lateralizaton in subcortical structures and a paucity of exploration of the influence of gender on these findings. This study aims to examine morphology of subcortical structures and their association with ADHD symptoms in boys and girls as compared to their typically-developing (TD) peers. One hundred and eighty five children aged 7-14 years with and without ADHD were included from ADHD-200 Consortium. Results showed that compared to TD boys, boys with ADHD had reduced accumbens, amygdala and hippocampus volumes. There were no volumetric differences in any structure between ADHD and TD girls. Asymmetry analysis revealed right lateralization compressions within the thalamus in ADHD boys relative to TD boys. The findings suggest a gender dimorphic pattern of differences in subcortical structures in children with ADHD, and a possible neurobiological mechanism where boys with ADHD demonstrate increasing difficulties with hyperactivity/impulsivity. PMID- 29217260 TI - Ontogenesis of the pinealo-retinal neuronal connection in albino rats. AB - It was accepted for a long time that in mammals there is only retinofugal neuronal connection between the eye and the pineal body (PB). In our previous paper we described that nerve cells were present in hamster PB and these neurons could establish a reverse connection with the retina through a transsynaptic pathway. In adult albino rats neuronal perikarya were not found. In this present experiment it was examined whether the lack of these nerve cells in the PB of adult rats is the result of an apoptotic phenomenon or the lack of migration during the fetal period. Green fluorescence protein expressing pseudorabies virus, spreading only in retrograde direction, was injected into the vitreous body of rats at various postnatal ages. Virus labeled cell bodies were not observed in the PB of adult rats; however, labeling with gradually decreasing number of cells was present in animals aged 3-6, 13-14, 20, 35 and 41 postnatal days. Injection of virus, spreading in anterograde direction (expressing red fluorescence protein), into the PB of young prepubertal animals resulted in labeling in the retina. This observation indicates that the pinealo-retinal connection in prepubertal period is active. Immunostaining revealed that some of the labeled neuronal perikarya showed activated caspase-3 (an apoptotic marker) immunoreactivity. Our results clearly show that the neurons migrate to the PB and later, during the prepubertal period, they disappear. Caspase-3 immnoreactivity indicates that these cells die off by apoptosis. PMID- 29217261 TI - Synucleinopathies in neurodegenerative diseases: Accomplices, an inside job and selective vulnerability. AB - Pathogenesis of degenerative diseases is complex and multifaceted. The disease phenotypes depend on the location of injury/damage in the brain networks and pathologically are characterized by loss of brain cells. The reason for this loss appears to be an accumulation of misfolded and dysfunctional proteins that trigger apoptotic cell death. The role of alpha-synuclein mutations, its interaction with other proteins and the cellular environment is discussed in the context of selective neuron loss. PMID- 29217262 TI - Universal etiology, multifactorial diseases and the constitutive model of disease classification. AB - Infectious diseases are often said to have a universal etiology, while chronic and noncommunicable diseases are said to be multifactorial in their etiology. It has been argued that the universal etiology of an infectious disease results from its classification using a monocausal disease model. In this article, I will reconstruct the monocausal model and argue that modern 'multifactorial diseases' are not monocausal by definition. 'Multifactorial diseases' are instead defined according to a constitutive disease model. On closer analysis, infectious diseases are also defined using the constitutive model rather than the monocausal model. As a result, our classification models alone cannot explain why infectious diseases have a universal etiology while chronic and noncommunicable diseases lack one. The explanation is instead provided by the Nineteenth Century germ theorists. PMID- 29217263 TI - The Dietary Inflammatory Index is associated with elevated white blood cell counts in the National Health and Nutrition Examination Survey. AB - White blood cells (WBCs) are considered a reliable biomarker of inflammation. Elevations in both WBCs and pro-inflammatory cytokines are associated with several chronic conditions. Diet is a strong moderator of inflammation and WBCs. The purpose of this study was to examine the association between the Dietary Inflammatory Index (DII(r)) and WBCs using data from the United States National Health and Nutrition Examination Survey (NHANES). NHANES is a cross-sectional study that occurs in two-year cycles. Respondents from five cycles (n = 26,046) with available data on diet (collected through a single 24-h dietary recall [24HR]) and WBCs (derived using the Coulter method) were included. The DII (theoretical range is about -8 to +8) was derived from the micro and macronutrients calculated from the 24HR. Linear regression models, using survey design procedures, were used to estimate adjusted mean WBC (i.e., total, lymphocytes, monocytes, and neutrophils) counts and percentages by DII quartiles. Among all participants no statistically significant difference in WBCs were observed when comparing DII quartile 4 (most pro-inflammatory) to quartile 1 (most anti-inflammatory). However, a one-unit increase in the DII was associated with a 0.028 (1000 per uL) increase in total WBCs (p = .01). Additionally, a 0.024 increase in neutrophils (p < .01) was observed for a one-unit increase in the DII. In the group of participants with normal body mass index (BMI, 18.5-24.9 kg/m2), those in DII quartile 4 had higher levels of total WBCs compared to subjects with normal BMI in DII quartile 1 (7.12 vs. 6.88, p = .01). Similar comparisons were observed for monocytes and neutrophils. However, these relationships were not observed for participants who were overweight or obese, which are pro-inflammatory conditions. Normal-weight individuals consuming more pro-inflammatory diets were more likely to have elevated WBCs. Because of its cross-sectional design, NHANES cannot inform directly on temporal relations, thus limiting causal inference. Future research is needed to examine the impact of anti-inflammatory diet adoption on lowering levels of WBCs, in addition to other inflammatory mediators. PMID- 29217264 TI - The immune strategies of mosquito Aedes aegypti against microbial infection. AB - Yellow fever mosquito Aedes aegypti transmits many devastating arthropod-borne viruses (arboviruses), such as dengue virus, yellow fever virus, Chikungunya virus, and Zika virus, which cause great concern to human health. Mosquito control is an effective method to block the spread of infectious diseases. Ae. aegypti uses its innate immune system to fight against arboviruses, parasites, and fungi. In this review, we briefly summarize the recent findings in the immune response of Ae. aegypti against arboviral and entomopathogenic infections. This review enriches our understanding of the mosquito immune system and provides evidence to support the development of novel mosquito control strategies. PMID- 29217265 TI - Metabolism and disposition of arsenic species from controlled oral dosing with sodium arsenite in adult female CD-1 mice. I. Pilot study to determine dosing, analytical measurements, and sampling strategies. AB - Arsenic (As) is ubiquitous in the earth's crust, with typical dietary intake in developed countries <1 MUg/kg bw/d, and atypical groundwater exposures in developing countries approaching 50 MUg/kg bw/d. Arsenic exposures are linked with human diseases and doses of toxicological concern are similar to typical dietary intake estimates. The methylation of arsenite by arsenite-3 methyltransferase (As3MT) promotes the clearance of arsenic as pentavalent species, but also generates reactive trivalent intermediates. This study measured inorganic arsenic and its metabolites in pentavalent and trivalent states in blood, tissues, and excreta after oral administration of arsenite (50-200 MUg/kg bw). While liver was a major site for clearance of arsenite and formation of methylated species, it also had extensive binding of trivalent intermediates; however, thiol exchange and oxidation reactions of trivalent arsenic were facile since dimethylarsinic acid (DMAV) was the predominant species in blood and urine. Consistent evidence was observed for a non-linear relationship between doses above 50 MUg/kg bw and levels of bound trivalent As metabolites. The abundance of protein-bound trivalent arsenic within target tissues should correlate with disruption of critical cellular processes, which rely on defined interactions of thiol functional groups, and could provide dose-response relationships from animal models for human risk assessment. PMID- 29217266 TI - Auriculasin-induced ROS causes prostate cancer cell death via induction of apoptosis. AB - Recent studies have demonstrated that natural agents targeting the accumulation of reactive oxygen species (ROS) that selectively kill, leaving normal cells undamaged, can suppress prostate cancer. Here, we show that auriculasin, derived from Flemingia philippinensis, induces significant cell death and apoptosis via ROS generation in prostate cancer cells. Auriculasin treatment resulted in selective apoptotic cell death in LNCaP prostate cancer cells, characterized by DNA fragmentation, accumulation of sub-G1 cell population, cleavage of poly (ADP ribose) polymerase (PARP), regulation of Bax/Bcl-2 ratio, increase of cytosolic apoptosis-inducing factor (AIF) and endonuclease G (EndoG), in addition to inhibiting tumor growth in a xenograft mouse model. Interestingly, auriculasin induced apoptosis did not result in caspase-3, -8, and -9 activations. We found that auriculasin treatment decreased phosphorylation of AKT/mTOR/p70s6k in a dose and time-dependent manner. Further, cellular ROS levels increased in LNCaP cells treated with auriculasin and blocking ROS accumulation with ROS scavengers resulted in inhibition of auriculasin-induced PARP cleavage, AIF increase, upregulation of Bax/Bcl-2 ratio, and decrease in AKT/mTOR phosphorylation. Taken together, these data suggest that auriculasin targets ROS-mediated caspase independent pathways and suppresses PI3K/AKT/mTOR signaling, which leads to apoptosis and decreased tumor growth. PMID- 29217267 TI - Mycotoxins in dry-cured meats: A review. AB - Dry-cured meats products are consumed in various regions of the world and, consumers are increasingly demanding better quality and safety of these products. Some fungal species can produce mycotoxins in drycured meats, such as aflatoxins and ochratoxins, which, when ingested, can produce carcinogenic and mutagenic effects in humans. Contamination of these products can occur at different points of the production chain, from the field (animal contaminated with feed) to the production or storage of the final product. Although the presence of mycotoxins in drycured meats has been reported in several regions of the world, the presence of these contaminants are not legislated in most countries. Therefore, it is important to put in place methods to identify and reduce the contamination of dry cured meats, minimizing the consumption and deleterious effects caused by mycotoxins. This review aimed to describe mycotoxin-producing fungi, mycotoxins, the relationship between human food and animal feed; legislation; incidence, identification and control methods for mycotoxins in dry-cured meats intended for human consumption. PMID- 29217268 TI - Novel in vitro and in silico insights of the multi-biological activities and chemical composition of Bidens tripartita L. AB - Bidens tripartita L. is a traditional phyto-remedy used in several countries, yet there is still a paucity of data on its biological potential. We aimed to provide new insights on the pharmacological potential of extracts prepared from B. tripartita via highlighting its antioxidant, key enzymes inhibitory potency, and DNA protecting effects. Phytochemical profile was established using High Performance Liquid Chromatography with Diode-Array Detection (HPLC-DAD) and bioactive compound(s) docked against target enzymes using in silico methods. Cytotoxicity against three cancer cell lines was assessed using the methylthiazolyldiphenyl-tetrazolium bromide (MTT) cell viability test. The main compounds were luteolin-7-glucoside (cynaroside), chlorogenic acid, and epicatechin in the extracts. The methanol extract exhibited the highest radical scavenging activity. Ethyl acetate extract showed strongest alpha-amylase inhibitory activity, while the best alpha-glucosidase inhibitory effect recorded for the methanol extract. Molecular docking showed that cynaroside strongly interact to alpha-glucosidase cavity by establishing six hydrogen bonds. B. tripartita extracts were found to protect supercoiled form of pUC19 plasmid (>70%) and also showed anti-proliferative properties. Results amassed in the present study add on to a growing body of literature on the multi-pharmacological potency of B. tripartita which can be applied to bio-products development geared towards management of common diseases. PMID- 29217269 TI - Bacterial and fungal composition profiling of microbial based cleaning products. AB - Microbial based cleaning products (MBCPs) are a new generation of cleaning products that are gaining greater use in household, institutional, and industrial settings. Little is known about the exact microbial composition of these products because they are not identified in detail on product labels and formulations are often proprietary. To gain a better understanding of their microbial and fungal composition towards risk assessment, the cultivable microorganisms and rDNA was surveyed for microbial content in five different MBCPs manufactured and sold in North America. Individual bacterial and fungal colonies were identified by ribosequencing and fatty acid methyl ester (FAME) gas chromatography. Metagenomic DNA (mDNA) corresponding to each of the products was subjected to amplification and short read sequencing of seven of the variable regions of the bacterial 16S ribosomal DNA. Taken together, the cultivable microorganism and rDNA survey analyses showed that three of the products were simple mixtures of Bacillus species. The two other products featured a mixture of cultivable fungi with Bacilli, and by rDNA survey analysis, they featured greater microbial complexity. This study improves our understanding of the microbial composition of several MBCPs towards a more comprehensive risk assessment. PMID- 29217270 TI - Kafirin from Sorghum bicolor inhibition of inflammation in THP-1 human macrophages is associated with reduction of intracellular reactive oxygen species. AB - Aberrant inflammation as a result of activation of the transmembrane protein Toll like receptor 4 belonging to pattern recognition receptor and subsequent phosphorylation of signaling proteins facilitated by reactive oxygen species has been linked to a myriad of diseases. Sorghum is a drought-resistant cereal with health promoting properties associated with its biologically active substances such as kafirin. Kafirin is an alcohol soluble protein and accounts for as much as 70% of the total proteins in sorghum. The objective was to determine the effect of kafirin on lipopolysaccharide (LPS)-induced inflammation in THP-1 human macrophages. THP-1 human monocytic leukemia cells were differentiated into macrophages by phorbol-12-myristate 13-acetate followed by treatment of LPS with or without 50 MUg/mL or 100 MUg/mL concentrations of kafirin. Kafirin at 100 MUg/mL reduced the production of pro-inflammatory cytokines IL-1beta, IL-6 and TNF-alpha by 28.3%, 74.0%, and 81.4%, respectively. Kafirin reduced production of intracellular reactive oxygen species is associated with reduced phosphorylation of extracellular regulated kinase1/2 and c-JUN N-terminal kinase and nuclear translocation of p65 and c-JUN transcription factors. Our results showed for the first time the anti-inflammatory property of kafirin purified from sorghum in LPS induced THP-1 human macrophages. PMID- 29217271 TI - Truck safety evaluation on Wyoming mountain passes. AB - The Manual on Uniform Traffic Control Devices (MUTCD) for Streets and Highways recommends hill signs be placed in advance of downgrade descent of mountain passes. Mountain passes increase the risk of a runaway, or out of control trucks and so the advance warning signs inform the driver to take special precautions such as reducing speed or using lower gears during the descent. The Wyoming Department of Transportation has installed steep grade advance warning systems on Wyoming mountain passes. However, concerns for out of control trucks on the mountain passes persist. The objective of this study is to evaluate the safety effectiveness of steep grade advance warning signs for trucks on Wyoming mountain passes. The safety evaluation was carried out by implementing a zero-inflated negative binomial modeling technique for predicting truck crashes on mountain passes. The outcome was two models that showed the risk of runaway truck accidents were high at locations where either the grades were steep and long or the grades were long with multiple vertical curves. The analysis showed the current advance warning systems were not significantly impacting truck crash risks at the high risk locations. The study, therefore, recommends some improvements to the current advanced warning signs or implementing an improved Federal Highway Administration Grade Severity Rating System based warning system that will significantly improve truck safety at the hazardous locations. The study informs policy makers on the safety issues on Wyoming Mountain passes with regards to runaway trucks and makes recommendations for reducing the risk of runaway truck crashes on mountain passes. PMID- 29217272 TI - Inhibition of hepatitis B virus gene expression: A step towards functional cure. PMID- 29217274 TI - Contact wear of artificial denture teeth. AB - PURPOSE: High wear resistance of denture teeth preserves good occlusal relationship and sufficient parafunctional stability. This in-vitro investigation aimed to determine and compare the wear performance of different artificial denture teeth. METHODS: Denture teeth of fifteen commercial products (n=8/group) were loaded in a pin-on-block design using steatite antagonists (d=3mm). Cyclic loading (50 N) was applied for 120,000 loadings (f=1.2Hz) with simultaneous thermal cycling (distilled water, 5 degrees C/55 degrees C, 2min/cycle). A loading cycle consisted of a vertical 1mm impact and a subsequent lateral 1mm sliding movement. Worn areas were digitalized (3-D-laser-scanning-microscope). Maximum and mean wear depth and surface roughness were determined and statistically compared (one-way Anova, Tukey-HSD test, alpha=0.05). Worn surfaces and cut specimens were investigated with scanning electron microscopy (SEM). RESULTS: Maximum wear varied between 475.1MUm and 1232.2MUm. Mean wear was between 241.1MUm and 753.6MUm with significant differences (p<0.001) between individual materials. Mean and maximum wear showed a significant correlation (Pearson's correlation coefficient: 0.942). Surface roughness increased between unworn to worn surface by 1.2MUm (Ra, p=0.387) and by 41.7MUm (Rz, p=0.000). All materials provided round or drop-shaped wear traces. Superficial analysis showed no cracks, chipping or fractures in the worn areas. Detailed evaluation of cut specimens with SEM exposed cracks on the bottom of the wear traces. CONCLUSIONS: Denture teeth showed significantly different in-vitro wear performance and increased roughness in the wear trace. Differences may be attributed to the composition of the materials, regarding both filler and polymer structure. The selection of teeth might contribute to enhanced in-vivo performance of the denture. PMID- 29217275 TI - Mechanistic understanding of ragweed pollen for oral vaccine delivery. PMID- 29217273 TI - LTBPs in biology and medicine: LTBP diseases. AB - The latent transforming growth factor (TGF) beta binding proteins (LTBP) are crucial mediators of TGFbeta function, as they control growth factor secretion, matrix deposition, presentation and activation. Deficiencies in specific LTBP isoforms yield discrete phenotypes representing defects in bone, lung and cardiovascular development mediated by loss of TGFbeta signaling. Additional phenotypes represent loss of unique TGFbeta-independent features of LTBP effects on elastogenesis and microfibril assembly. Thus, the LTBPs act as sensors for the regulation of both growth factor activity and matrix function. PMID- 29217276 TI - Editorial. PMID- 29217277 TI - Absence of hybridization with the wild-type and mutant rpoB probes in the Genotype MTBDRplus assay detects 'disputed' rifampicin mutations. AB - OBJECTIVE: Mycobacterium tuberculosis isolates that fail to hybridize to at least one rpoB wild-type or any mutation probe on the Genotype MTBDRplus strip are assumed to be rifampicin-resistant. However, the precise mutation(s) are unknown. We sought to identify the mutations in isolates with such hybridization patterns and determine if the mutations are associated with resistance to rifampicin. METHODS: In this study, 275 M. tuberculosis isolates were screened with the Genotype MTBDRplus assay to identify isolates with the hybridization pattern. These isolates were sequenced and their minimum inhibitory concentrations (MIC) determined using the Bactec MGIT 960 system. RESULTS: Among the 275 isolates tested, 15 (6%) isolates with the hybridization pattern were identified. Sequencing showed that failure to hybridize to rpoB wild-type probes resulted from the presence of 'disputed' rifampicin mutations, which are mutations not always associated with a rifampicin-resistant phenotype. All, except 3/15, isolates had a rifampicin-resistant phenotype (MIC > 1 MUg/mL). One of the three isolates with a rifampicin-susceptible phenotype had the same mutation at position 526 (His526Leu) as another isolate that had a rifampicin-resistant phenotype. CONCLUSION: The recommendation of the Genotype MTBDRplus assay to assume rifampicin resistance based solely on failure to hybridize to rpoB wild type probe allows the identification of important RIF-resistant isolates. About 20% (3/15) of such isolates could be missed by relying only on the standard MGIT 960 DST assay for drug susceptibility testing. PMID- 29217278 TI - Colistin exposure as a risk factor for infections caused by inherently colistin resistant Enterobacteriaceae-a case-control study. AB - OBJECTIVES: Epidemiological studies have suggested an association between increased colistin use and selection for inherently colistin-resistant Enterobacteriaceae (ICRE). We aimed to evaluate whether colistin exposure is a risk factor for ICRE infection. METHODS: A matched 1:1 case-control study including patients recently hospitalized for >=14 days with ICRE infection as cases matched with similar patients with a clinical isolate of a colistin susceptible Enterobacteriaceae as controls was performed. Univariate analysis using McNemar test and multivariate analysis were conducted to explore risk factors for ICRE isolation, including colistin exposure 90 days before the positive culture. RESULTS: We included 446 patients, 223 cases and 223 controls matched for gender, age, department, year, source of culture and duration of hospitalization before positive culture. Colistin exposure was significantly associated with ICRE isolation in both univariate (14/223, 6.3% of cases versus 4/223, 1.8% of controls, p 0.031) and multivariate analyses (odds ratio 4.415, 95% CI 1.078-18.082). Curtailed functional capacity was a significant risk factor for ICRE as well. Exposure to other broad-spectrum antibiotics was associated with isolation of a colistin-susceptible pathogen. CONCLUSIONS: Exposure to colistin is associated with an increased risk of isolating an inherently colistin resistant Enterobacteriaceae in patients with prolonged hospitalization. This should be taken into account while considering empirical therapy for such patients. Use of colistin should be judicious. The correlation between duration and magnitude of exposure and ICRE infection should be investigated in further studies. PMID- 29217279 TI - Wild-type human coronaviruses prefer cell-surface TMPRSS2 to endosomal cathepsins for cell entry. AB - Human coronaviruses (HCoVs) enter cells via two distinct pathways: the endosomal pathway using cathepsins to activate spike protein and the cell-surface or early endosome pathway using extracellular proteases such as transmembrane protease serine 2 (TMPRSS2). We previously reported that clinical isolates of HCoV-229E preferred cell-surface TMPRSS2 to endosomal cathepsin for cell entry, and that they acquired the ability to use cathepsin L by repeated passage in cultured cells and were then able to enter cells via the endosomal pathway. Here, we show that clinical isolates of HCoV-OC43 and -HKU1 preferred the cell-surface TMRRSS2 to endosomal cathepsins for cell entry, similar to HCoV-229E. In addition, the cell-culture-adapted HCoV-OC43 lost the ability to infect and replicate in air liquid interface cultures of human bronchial tracheal epithelial cells. These results suggest that circulating HCoVs in the field generally use cell-surface TMPRSS2 for cell entry, not endosomal cathepsins, in human airway epithelial cells. PMID- 29217280 TI - Photosome membranes merge and organize tending towards rhombohedral symmetry when light is emitted. AB - Polynoid worm elytra emit light when mechanically or electrically stimulated. Specialized cells, the photocytes, contain light emitting machineries, the photosomes. Successive stimulations induce light intensity variations and show a coupling within and between photosomes. Here, we describe, using electron tomography of cryo-substituted elytra and freeze-fracturing, the structural transition associated to light emission: undulating tubules come closer, organize and their number forming photosomes increases. Two repeating undulating tubules in opposite phase compose the photosome. Undulations are located on three hexagonal layers that regularly repeat and are equally displaced, in x y and z. The tubule membranes within layers merge giving rise to rings that tend to obey to quasi-rhombohedral symmetry. Merging may result either from close-association, hemifusion (one leaflet fusion) or from fusion (two leaflets fusion). Although the resolution of tomograms is not sufficient to distinguish these three cases, freeze-fracturing shows that hemifusion is a frequent process that leads to an reversible anastomosed membrane complex favoring communications, appearing as a major coupling factor of photosome light emission. PMID- 29217281 TI - Risk scores for outpatient management of febrile neutropenia: Is the MASCC slipping? PMID- 29217282 TI - Atypical dopamine transporter inhibitors attenuate compulsive-like methamphetamine self-administration in rats. AB - Methamphetamine (METH) is a highly addictive drug, but no pharmacological treatment is yet available for METH use disorders. Similar to METH, the wake promoting drug (R)-modafinil (R-MOD) binds to the dopamine transporter (DAT). Unlike METH, R-MOD is not a substrate for transport by DAT and has low abuse potential. We tested the hypothesis that the atypical DAT inhibitor R-MOD and compounds that are derived from modafinil would decrease METH intake by reducing the actions of METH at the DAT. We tested the effects of systemic injections of R MOD and four novel modafinil-derived ligands with increased DAT affinity (JJC8 016, JJC8-088, JJC8-089, and JJC8-091) on intravenous (i.v.) METH self administration in rats that were allowed short access (ShA; 1 h) or long access (LgA; 6 h) to the drug. ShA rats exhibited stable METH intake over sessions, whereas LgA rats exhibited an escalation of drug intake. R-MOD decreased METH self-administration in ShA and LgA rats (in the 1st hour only). JJC8-091 and JJC8 016 decreased METH self-administration in both ShA and LgA rats. JJC8-089 decreased METH self-administration in LgA rats only, whereas JJC8-088 had no effect on METH self-administration in either ShA or LgA rats. These findings support the potential of atypical DAT inhibitors for the treatment of METH use disorders and suggest several novel compounds as candidate drugs. PMID- 29217284 TI - Cost variation and opportunities for cost reduction for laparoscopic cholecystectomy. AB - BACKGROUND: We performed 163 laparoscopic cholecystectomies at our institution during the third quarter of 2016. Direct supply cost per case varied from $524 to $1,022 among 14 surgeons. The purpose of this study was to determine the reasons for cost variation between high- and low-cost surgeons and identify opportunities for cost reduction. METHODS: Average cost of supplies per case was examined for laparoscopic cholecystectomy during a 6-month period. Two groups were created, with the 4 highest-cost surgeons comprising group A and the 2 lowest-cost surgeons comprising group B. The cost for each item was identified, and utilization was compared between groups. RESULTS: The average supply cost per case in group A was significantly greater than group B ($930 vs. $518). The difference persisted in subgroup analyses of both inpatients and patients with high American Society of Anesthesiologists scores. Compared with group A, surgeons in group B used reusable instruments more often and tended to choose lower-cost disposables. CONCLUSIONS: Significant variation in direct cost exists between surgeons performing laparoscopic cholecystectomy. Much of the cost difference can be accounted for by a relatively small number of high-cost instruments. We identified areas for cost savings by substituting lesser cost alternatives without compromising the quality of patient care. PMID- 29217283 TI - Insulin-mediated synaptic plasticity in the CNS: Anatomical, functional and temporal contexts. AB - For decades the brain was erroneously considered an insulin insensitive organ. Although gaps in our knowledge base remain, conceptual frameworks are starting to emerge to provide insight into the mechanisms through which insulin facilitates critical brain functions like metabolism, cognition, and motivated behaviors. These diverse physiological and behavioral activities highlight the region specific activities of insulin in the CNS; that is, there is an anatomical context to the activities of insulin in the CNS. Similarly, there is also a temporal context to the activities of insulin in the CNS. Indeed, brain insulin receptor activity can be conceptualized as a continuum in which insulin promotes neuroplasticity from development into adulthood where it is an integral part of healthy brain function. Unfortunately, brain insulin resistance likely contributes to neuroplasticity deficits in obesity and type 2 diabetes mellitus (T2DM). This neuroplasticity continuum can be conceptualized by the mechanisms through which insulin promotes cognitive function through its actions in brain regions like the hippocampus, as well as the ability of insulin to modulate motivated behaviors through actions in brain regions like the nucleus accumbens and the ventral tegmental area. Thus, the goals of this review are to highlight these anatomical, temporal, and functional contexts of insulin activity in these brain regions, and to identify potentially critical time points along this continuum where the transition from enhancement of neuroplasticity to impairment may take place. This article is part of the Special Issue entitled 'Metabolic Impairment as Risk Factors for Neurodegenerative Disorders.' PMID- 29217285 TI - Outcomes and palliative care utilization in patients with dementia and acute abdominal emergency: opportunities for surgical quality improvement. AB - BACKGROUND: When patients with dementia develop acute surgical abdomen, patients, surrogates, and surgeons need accurate prognostic information to facilitate goal concordant decision making. Palliative care can assist with communication, symptom management, and family and caregiver support in this population. We aimed to characterize outcomes and patterns of palliative care utilization among patients with dementia, presenting with abdominal surgical emergency. METHOD: We retrospectively queried the National Inpatient Sample for patients aged >50 years with dementia and acute abdominal emergency who were admitted nonelectively 2009 2013, utilizing ICD-9-CM codes for dementia and surgical indication. We characterized outcomes and identified predictors of palliative care utilization. RESULTS: Among 15,209 patients, in-hospital mortality was 10.2%, the nonroutine discharge rate was 67.2%, and 7.5% received palliative care. Patients treated operatively were less likely to receive palliative care than those who did not undergo operation (adjusted OR = 0.50; 95% CI 0.41-0.62). Only 6.4% of patients discharged nonroutinely received palliative care. CONCLUSION: Patients with dementia and acute abdominal emergency have considerable in-hospital mortality, a high frequency of nonroutine discharge, and low palliative care utilization. In this group, we discovered a large gap in palliative care utilization, particularly among those treated operatively and those who are discharged nonroutinely. PMID- 29217287 TI - Discussion. PMID- 29217286 TI - Pediatric-protocol of multimodal therapy is associated with improved survival in AYAs and adults with rhabdomyosarcoma. AB - BACKGROUND: Multimodal therapy is the standard treatment for pediatric rhabdomyosarcoma, but for adolescents and young adults (AYAs: ages 15-39) and older adults with rhabdomyosarcoma, the use of adjuvant therapy is variable, and survival is greatly decreased compared with younger patients. METHODS: All patients with rhabdomyosarcoma who had a curative operative were identified from the 1998-2012 National Cancer Database. Regression analyses identified independent factors relating to receipt of multimodal therapy (resection + chemotherapy + radiation) and the influence of multimodal therapy on 5-year overall survival. RESULTS: Of 2,312 patients, 44% were pediatric (age < 15 years), 22% AYA (ages 15-39), and 34% adult (age >= 40 years). Adults received multimodal therapy least often (pediatric: 62%, AYA: 46%, adults: 24%; P < .001), even after controlling for demographic characteristics, tumor features, and stage. In the entire cohort, multimodal therapy was associated with a decreased risk of death within 5 years (hazard ratio [HR] 0.72, 95% confidence interval [CI] 0.62-0.84), with similar findings after stratification by age (pediatric: HR 0.64, 95% CI 0.48-0.85; AYA: HR 0.72, 95% CI 0.55-0.95; adult: HR 0.74, 95% CI 0.58-0.93). In AYAs only, black and Hispanic patients had an increased risk of death within 5 years (black patients: HR 1.64, 95% CI 1.14-2.37; Hispanic patients: HR 1.62, 95% CI 1.11-2.36). CONCLUSION: This first large national study suggests that multimodal therapy is independently associated with improved survival for both AYAs and adults with rhabdomyosarcoma, similar to pediatric patients, but multimodal therapy is appreciably underused. Implementation of multimodal therapy for all patients could potentially improve overall outcomes of patients with rhabdomyosarcoma. PMID- 29217289 TI - JAVELIN: avelumab another spear to fight urothelial carcinoma. PMID- 29217288 TI - Avelumab in metastatic urothelial carcinoma after platinum failure (JAVELIN Solid Tumor): pooled results from two expansion cohorts of an open-label, phase 1 trial. AB - BACKGROUND: The approval of anti-programmed death ligand 1 (PD-L1) and anti programmed death 1 agents has expanded treatment options for patients with locally advanced or metastatic urothelial carcinoma. Avelumab, a human monoclonal anti-PD-L1 antibody, has shown promising antitumour activity and safety in this disease. We aimed to assess the safety profile in patients (both post-platinum therapy and cisplatin-naive) treated with avelumab and to assess antitumour activity of this drug in post-platinum patients. METHODS: In this pooled analysis of two cohorts from the phase 1 dose-expansion JAVELIN Solid Tumor study, patients aged 18 years and older with histologically or cytologically confirmed locally advanced or metastatic urothelial carcinoma that had progressed after at least one previous platinum-based chemotherapy were enrolled from 80 cancer treatment centres or hospitals in the USA, Europe, and Asia. Eligible patients had adequate end-organ function, an Eastern Cooperative Oncology Group performance status of 0 or 1, life expectancy of at least 3 months, and at least one measurable lesion. Cisplatin-ineligible patients who might have been previously treated in the perioperative setting, including platinum-naive patients, were also eligible. Patients unselected for PD-L1 expression received avelumab (10 mg/kg, 1 h intravenous infusion) every 2 weeks until confirmed disease progression, unacceptable toxicity, or other criterion for withdrawal. The primary endpoint for this efficacy expansion cohort was confirmed best overall response (according to RECIST version 1.1), adjudicated by independent review. Safety analysis was done in all patients who received at least one dose of avelumab. Antitumour activity was assessed in post-platinum patients who received at least one dose of avelumab. This trial is registered with ClinicalTrials.gov, number NCT01772004; enrolment in this cohort of patients with metastatic urothelial carcinoma is closed and the trial is ongoing. FINDINGS: Between Sept 3, 2014, and March 15, 2016, 329 patients with advanced metastatic urothelial carcinoma were screened for enrolment into this study; 249 patients were eligible and received treatment with avelumab for a median of 12 weeks (IQR 6.0-19.7) and followed up for a median of 9.9 months (4.3-12.1). Safety and antitumour activity were evaluated at data cutoff on June 9, 2016. In 161 post platinum patients with at least 6 months of follow-up, a best overall response of complete or partial response was recorded in 27 patients (17%; 95% CI 11-24), including nine (6%) complete responses and 18 (11%) partial responses. The most frequent treatment-related adverse events (any grade in >=10% patients) were infusion-related reaction (73 [29%]; all grade 1-2) and fatigue (40 [16%]). Grade 3 or worse treatment-related adverse events occurred in 21 (8%) of 249 patients, the most common of which were fatigue (four [2%]), and asthenia, elevated lipase, hypophosphataemia, and pneumonitis in two (1%) patients each. 19 (8%) of 249 patients had a serious adverse event related to treatment with avelumab, and one treatment-related death occurred (pneumonitis). INTERPRETATION: Avelumab showed antitumour activity in the treatment of patients with platinum-refractory metastatic urothelial carcinoma; a manageable safety profile was reported in all avelumab-treated patients. These data provide the rationale for therapeutic use of avelumab in metastatic urothelial carcinoma and it has received accelerated US FDA approval in this setting on this basis. FUNDING: Merck KGaA, and Pfizer Inc. PMID- 29217290 TI - Growth patterns in early juvenile idiopathic arthritis: Results from the Childhood Arthritis Prospective Study (CAPS). AB - OBJECTIVES: To investigate early vertical growth patterns and factors associated with poor growth in a modern inception cohort of UK children with juvenile idiopathic arthritis (JIA) using data from the Childhood Arthritis Prospective Study (CAPS). METHODS: A study period of 3 years was chosen. Children included in this analysis had a physician diagnosis of JIA and had height measurements available at both baseline and at 3-years of follow-up. Height is presented as z scores calculated using World Health Organisation growth standards for age and gender. Growth over the 3-year period was assessed using change in z-score and height velocity. Univariable and multivariable linear regressions were used to identify factors associated with height z-score at baseline and change of height z-score at 3 years. RESULTS: 568 patients were included; 65% female, median baseline age 7.4 years [interquartile range (IQR) 3.6, 11.2], median symptom duration at presentation 5.5 months [IQR 3.1, 11.6]. Height z-score decreased significantly from baseline to 3 years (p <= 0.0001); baseline median height z score was -0.02 (IQR -0.71, 0.61), decreasing to -0.47 (IQR -1.12, 0.24) at 3 years. Growth restriction, defined as change of height z-score <=-0.5, was observed in 39% of patients. At 3 years, higher baseline height z-score was the strongest predictor for a negative change in height z-score [-0.3 per unit of baseline height z-score (95% CI: -0.36, -0.24), p < 0.0001]. CONCLUSIONS: Although overall height at 3 years after initial presentation to rheumatology is within the population norm, as a cohort, children with JIA experience a reduction of growth in height over the first 3 years of disease. Late presentation to paediatric rheumatology services is associated with lower height at presentation. However, patients with the lowest height z scores at presentation were also the most likely to see an improvement at 3 years. The impact of JIA on growth patterns is important to children and families and this study provides useful new data to support informed clinical care. PMID- 29217291 TI - Pregnancy outcomes in adult patients with dermatomyositis and polymyositis. AB - OBJECTIVE: The idiopathic inflammatory myopathies dermatomyositis (DM) and polymyositis (PM) are autoimmune diseases that can affect females of childbearing potential. We assessed pregnancy outcomes in DM and PM patients compared with the general obstetric population. METHODS: The Nationwide Inpatient Sample (NIS) (1993-2007) was used to identify delivery-associated hospitalizations in women with DM or PM (DM/PM, n = 853). Controls were from the general obstetric population delivery-associated hospitalizations matched to each case by year of delivery. Pregnancy outcomes included hospital length of stay (LOS), hypertensive disorders (HTN), premature rupture of membranes (PROM), intrauterine growth restriction (IUGR), and cesarean delivery. Multivariate regression analyses were performed using maternal age, race/ethnicity, and diabetes mellitus as covariates. RESULTS: On multivariate analysis, patients with DM/PM had longer LOS compared to controls (p < 0.001). DM/PM was associated with an increased risk of hypertensive disorders compared to controls (OR = 2.90, 95% CI: 2.00-4.22). There were no differences in rates of PROM, IUGR, or cesarean section in patients with DM/PM compared with controls. Independent of a DM/PM diagnosis, African-American race, older age, and diagnosis of diabetes increased the hospital LOS (p < 0.001). African-American race and diabetes increased the risk of hypertensive disorders (OR = 1.38, 95% CI: 1.19-1.60; OR = 2.94, 95% CI: 2.04-4.23, respectively) compared to controls. CONCLUSION: These data suggest that patients with inflammatory myopathies are at increased risk of hypertensive disorders of pregnancy and longer length of hospitalization. Vigilant monitoring of blood pressure is advisable in pregnant patients with DM or PM. PMID- 29217292 TI - Functional incapacity related to rotator cuff syndrome in workers. Is it influenced by social characteristics and medical management? AB - STUDY DESIGN: Survey. INTRODUCTION: Rotator cuff syndrome (RCS) is one of the most common musculoskeletal disorders reported in workers. The functional incapacity related to RCS may vary according to the sociodemographic context and to the medical management. PURPOSE OF THE STUDY: The purpose of this is to analyze the RCS-related functional incapacity assessed by the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaires in workers according to their sociodemographic characteristics and the use of care. METHODS: A cross-sectional study was carried out on a French sample of workers diagnosed with RCS. The DASH and DASH-work scores were studied according to the sociodemographic factors, musculoskeletal symptoms, and RCS medical management during the preceding 12 months. RESULTS: Two hundred seven workers who suffered from RCS filled out the questionnaire of which 80% were still working. The DASH score was significantly higher in women (24.0 vs 17.4; P < .01; effect size (d) = 0.39), in patients over the age of 50 years (23.6 vs 11.3; P < .005) and in case of another upper limb musculoskeletal disorder (P < .0001; d >= 0.4). The DASH and DASH-work scores were significantly higher in case of use of care for RCS (P < .005; d > 0.6). DISCUSSION: The demographic factors and the RCS medical management influenced the overall incapacity assessed by the DASH questionnaire. Work incapacity was more especially related to the use of care for RCS. CONCLUSION: The sociodemographic and medical parameters added to other established predictors could help guide clinicians in managing their patients. PMID- 29217293 TI - An evaluation of two types of exercise classes, containing shoulder exercises or a combination of shoulder and thoracic exercises, for the treatment of nonspecific shoulder pain: A case series. AB - STUDY DESIGN: A case series was carried out. INTRODUCTION: There is a lack of evidence exploring the effectiveness of group exercise classes for people with nonspecific shoulder pain (NSSP). Also, there is a lack of research that measures potential reductions in thoracic kyphosis after exercise interventions in people with NSSP. PURPOSE OF THE STUDY: To observe changes in shoulder pain, disability, and thoracic kyphosis in 2 groups of people with NSSP, after 2 different types of group exercise classes. METHODS: People with NSSP received a 6-week block of exercises classes containing either shoulder exercises alone (shoulder group, n = 20) or a mixture of shoulder and thoracic extension exercises (thoracic group, n = 19). The Disabilities of the Arm, Shoulder and Hand questionnaire for disability and the Numeric Rating Scale for pain were measured at baseline, 6 weeks, and 6 months. Thoracic kyphosis was measured at baseline and 6 weeks using the manual inclinometer. RESULTS: Significant and clinically meaningful improvements in Numeric Rating Scale and Disabilities of the Arm, Shoulder and Hand were demonstrated in both groups at 6-week and 6-month follow-up (P < .001). Effect sizes ranged from 0.78-1.16 in the shoulder group and 0.85-1.88 in the thoracic group. Thoracic kyphosis did not change beyond measurement error in either group. DISCUSSION/CONCLUSION: Group exercise classes can improve shoulder pain and disability in people with NSSP. Resting thoracic kyphosis did not change after either exercise intervention, which suggests that the treatment effect was not due to a change in static thoracic spine posture. PMID- 29217294 TI - The use of aripiprazole for tic disorders in children and adolescents and implications for resource limited settings in the developing world. PMID- 29217295 TI - Investigation of a minor groove-binding polyamide targeted to E2F1 transcription factor in chronic myeloid leukaemia (CML) cells. PMID- 29217298 TI - Carbonylated proteins contribute to the darkness around facial pores. PMID- 29217299 TI - High PD-L1/CD86 MFI ratio and IL-10 secretion characterize human regulatory dendritic cells generated for clinical testing in organ transplantation. AB - Human regulatory dendritic cells (DCreg) were generated from CD14 immunobead purified or elutriated monocytes in the presence of vitamin D3 and IL-10. They exhibited similar, low levels of costimulatory CD80 and CD86, but comparatively high levels of co-inhibitory programed death ligand-1 (PD-L1) and IL-10 production compared to control immature DC (iDC). Following Toll-like receptor 4 ligation, unlike control iDC, DCreg resisted phenotypic and functional maturation and further upregulated PD-L1:CD86 expression. Whereas LPS-stimulated control iDC (mature DC; matDC) secreted pro-inflammatory tumor necrosis factor but no IL-10, the converse was observed for LPS-stimulated DCreg. DCreg weakly stimulated naive and memory allogeneic CD4+ and CD8+ T cell proliferation and IFNgamma, IL-17A and perforin/granzyme B production in MLR. Their stimulatory function was enhanced however, by blocking PD-1 ligation. High-throughput T cell receptor (TCR) sequencing revealed that, among circulating T cell subsets, memory CD8+ T cells contained the most alloreactive TCR clonotypes and that, while matDC expanded these alloreactive memory CD8 TCR clonotypes, DCreg induced more attenuated responses. These findings demonstrate the feasibility of generating highly purified GMP-grade DCreg for systemic infusion, their influence on the alloreactive T cell response, and a key mechanistic role of the PD1 pathway. PMID- 29217297 TI - Defects in Bioenergetic Coupling in Schizophrenia. AB - Synaptic neurotransmission relies on maintenance of the synapse and meeting the energy demands of neurons. Defects in excitatory and inhibitory synapses have been implicated in schizophrenia, likely contributing to positive and negative symptoms as well as impaired cognition. Recently, accumulating evidence has suggested that bioenergetic systems, important in both synaptic function and cognition, are abnormal in psychiatric illnesses such as schizophrenia. Animal models of synaptic dysfunction demonstrated endophenotypes of schizophrenia as well as bioenergetic abnormalities. We report findings on the bioenergetic interplay of astrocytes and neurons and discuss how dysregulation of these pathways may contribute to the pathogenesis of schizophrenia, highlighting metabolic systems as important therapeutic targets. PMID- 29217296 TI - Smaller Hippocampal Volume in Posttraumatic Stress Disorder: A Multisite ENIGMA PGC Study: Subcortical Volumetry Results From Posttraumatic Stress Disorder Consortia. AB - BACKGROUND: Many studies report smaller hippocampal and amygdala volumes in posttraumatic stress disorder (PTSD), but findings have not always been consistent. Here, we present the results of a large-scale neuroimaging consortium study on PTSD conducted by the Psychiatric Genomics Consortium (PGC)-Enhancing Neuroimaging Genetics through Meta-Analysis (ENIGMA) PTSD Working Group. METHODS: We analyzed neuroimaging and clinical data from 1868 subjects (794 PTSD patients) contributed by 16 cohorts, representing the largest neuroimaging study of PTSD to date. We assessed the volumes of eight subcortical structures (nucleus accumbens, amygdala, caudate, hippocampus, pallidum, putamen, thalamus, and lateral ventricle). We used a standardized image-analysis and quality-control pipeline established by the ENIGMA consortium. RESULTS: In a meta-analysis of all samples, we found significantly smaller hippocampi in subjects with current PTSD compared with trauma-exposed control subjects (Cohen's d = -0.17, p = .00054), and smaller amygdalae (d = -0.11, p = .025), although the amygdala finding did not survive a significance level that was Bonferroni corrected for multiple subcortical region comparisons (p < .0063). CONCLUSIONS: Our study is not subject to the biases of meta-analyses of published data, and it represents an important milestone in an ongoing collaborative effort to examine the neurobiological underpinnings of PTSD and the brain's response to trauma. PMID- 29217300 TI - Dynamic magnetic resonance imaging of the breast: Comparison of gadobutrol vs. Gd DTPA. AB - OBJECTIVE: To compare the pharmacokinetic profile of gadobutrol versus Gd-DTPA in dynamic contrast-enhanced MRI (DCE-MRI) in patients with breast cancer. Secondary objectives included comparing the safety profiles and diagnostic efficacy of the two contrast agents for detecting additional malignant lesions. MATERIAL AND METHODS: This retrospective observational study included 400 patients with histologically confirmed breast cancer; 200 underwent DCE-MRI with Gd-DTPA (Magnevist(r)) and 200 underwent DCE-MRI with gadobutrol (Gadovist(r)). Pharmacokinetic parameters and signal intensity were analyzed in a region of interest placed in the area within the lesion that had greatest signal intensity in postcontrast sequences. We compared the two groups on pharmacokinetic variables (Ktrans, Kep, and Ve), time-signal intensity curves, and the number of additional malignant lesions detected. RESULTS: The relative signal intensity (enhancement) was higher with gadobutrol than with Gd-DTPA. Washout was lower with gadobutrol than with Gd-DTPA (46% vs. 58,29%, respectively; p=0,0323). Values for Ktrans and Kep were higher for gadobutrol (p=0,001). There were no differences in the number of histologically confirmed additional malignant lesions detected (p=0,387). CONCLUSIONS: Relative enhancement is greater with gadobutrol, but washout is more pronounced with Gd-DTPA. The number of additional malignant lesions detected did not differ between the two contrast agents. Both contrasts are safe. PMID- 29217301 TI - [Gut microbiota: What impact on colorectal carcinogenesis and treatment?] AB - The gut microbiota, composed of 1014 microorganisms, is now considered as a "hidden organ", regarding to its digestive, metabolic and immune functions, which are helpful to its host. For the last 15 years, advances in molecular biology have highlighted the association of gut microbiota dysbiosis with several diseases, including colorectal cancer. An increased abundance of some bacteria (including Fusobacterium nucleatum, Bacteroides fragilis, Escherichia coli) is associated with cancer, whereas others seem to be protective (Faecalibacterium prausnitzii). Several mechanisms, which are species-specific, are involved in colorectal carcinogenesis. Most of the time, bacterial toxins are involved in pro inflammatory processes and in activation of angiogenesis and cellular proliferation pathways. The identification of these bacteria leads to envisage the gut microbiota as potential screening tool for colorectal cancer. Recent studies showed a relation between the gut microbiota and the efficacy and toxicity of chemotherapies (oxaliplatin, irinotecan) and immunotherapies (including ipilimumab). Therapeutic approaches targeting the gut microbiota are now available (probiotics, fecal microbiota transplantation...). New therapeutic strategy combining both chemotherapy and/or immunotherapy with an adjuvant treatment targeting the gut microbiota can now be developed in order to improve treatment response and tolerance. PMID- 29217302 TI - C-source metabolic profilings of foodborne Shiga-toxin producing E. coli match serogroup differentiations and highlight functional adaptations. AB - The tropism of pathogenic STEC for foodstuffs and cattle reservoir is related to functional specializations. An investigation of C-source utilization patterns among and between STEC serogroups was performed using omnilog phenotypic microarrays (OM). OM functional groupings were compared with STEC phylogroups, seropathotypes, EFSA's molecular risk assessment groups and serogroups. OM INT reduction activities of 37 STEC strains growing on 190 C-substrates were compared. Each strain had its own specific C-utilization profile but 23% of the substrates was used by all strains, 47% by none, and 30% was variably metabolized. Galactose, mannose, N-acetyl-glucosamine (GlcNAc), and N-acetyl neuraminic acid (Neu5Ac) found in the mucus layer of the bovine small intestine were metabolized by all strains. The 56 most informative substrates divided the C utilization patterns (CP) into three clusters with: (A) harboring all O157 and O145 strains; (B) all O26 strains, and (C) strains of the other serogroups. Significant correlations between INT reduction values of pair of strains per CP group supported these differentiations. CP of group A and B strains were respectively defective in the use of galactonic acid-gamma-lactone and rhamnose. Most CP group C strains grew with l-lyxose. Adjusted Wallace coefficients analyses of the datasets indicated high probabilities for the prediction of the use of glycolic acid, beta-hydroxybutyric acid, l-lyxose and d-galactonic acid gamma-lactone and 5-keto-d-gluconic acid by a serogroup. The use of a C-substrate could be predicted from the classification of a strain into a phylogroup or seropathotype. Significantly lower numbers of C-substrates were used by seropathotype A strains like O157 ones. Improvements of STEC identification keys were proposed using the most discriminant C-substrates found in this study. PMID- 29217303 TI - Castleman Disease and Rosai-Dorfman Disease. AB - This chapter describes the main features of two different diseases, Castleman Disease (CD) and Rosai-Dorfman Disease (RDD). Castleman disease (CD) is a clinical and histopathologically heterogeneous lymphoproliferative disorder that encompasses at least three distinct entities with some common overlapping morphological features: Hyaline Vascular CD (HVCD), Unicentric Plasma Cell CD and Multicentric CD. The most important feature of HVCD is the presence of abnormal germinal centers with hyaline-vascular transformation, sometimes showing multiple germinal centers within a single reactive lymphoid follicle, this outlining HVCD as a disorder of follicular dendritic cells. Unicentric and multicentric CD are, in contrast, lymphoproliferative lesions. Proinflammatory hypercytokinemia is an essential feature of multicentric CD, distinguished by a florid clinical presentation. Rosai-Dorfmann Disease is a histiocytic proliferative disorder diagnosed by the presence of tissue infiltration by S100-positive CD1a-negative histiocytes and plasma cell aggregates, often with Russell bodies. A typical, though not specific, characteristic of the disease is emperipolesis. Initially considered to be an inflammatory/reactive condition, molecular studies suggest that at least some cases of RDD could be considered as a low-grade histiocytic neoplastic process. PMID- 29217304 TI - Warming of Irrigation Fluids for Prevention of Perioperative Hypothermia During Arthroscopy: A Systematic Review and Meta-analysis. AB - PURPOSE: To determine whether warming of irrigation fluids (32 degrees C-40 degrees C) compared with using room-temperature irrigation fluids (20 degrees C 22 degrees C) decreases the risk of perioperative hypothermia (<36 degrees C) for patients undergoing shoulder, hip, or knee arthroscopy. METHODS: One reviewer, with the assistance of a medical librarian, searched the following databases: PubMed, Embase, Cochrane Central, SPORTDiscus, Web of Science, and CINAHL (Cumulative Index to Nursing and Allied Health Literature). Level I and II studies involving shoulder, hip, or knee arthroscopy were included. Two reviewers screened the abstracts and titles. Two reviewers assessed the risk of bias of selected studies using The Cochrane Collaboration tool. Meta-analyses were conducted on the following outcomes: hypothermia, lowest temperature, maximum temperature drop, and shivering. RESULTS: Seven studies of patients undergoing arthroscopy were included in the qualitative synthesis (5 shoulder studies, 1 hip study, and 1 knee study; 501 patients). The study involving knee arthroscopy was excluded from the meta-analyses because of insufficient data and high clinical heterogeneity (surgical site distal to the core, not involving extravasation of large amounts of fluid). The remaining 6 studies were included in 1 or more meta analyses: hypothermia (5 shoulder and 1 hip study), lowest temperature (3 shoulder and 1 hip study), maximum temperature drop (2 shoulder and 1 hip study), and shivering (5 shoulder and 1 hip study). Warming of irrigation fluids for shoulder or hip arthroscopy significantly decreased the risk of hypothermia (odds ratio, 0.15; 95% confidence interval [CI], 0.06-0.40; P = .0001), increased the lowest mean temperature (mean difference, 0.46 degrees C; 95% CI, 0.11 degrees C 0.81 degrees C; P = .01), decreased the maximum temperature drop (mean difference, -0.64 degrees C; 95% CI, -0.94 degrees C to -0.35 degrees C; P < .0001), and decreased the risk of shivering (odds ratio, 0.25; 95% CI, 0.07-0.86; P = .03). CONCLUSIONS: When irrigation fluids are warmed for shoulder and hip arthroscopy, the risk of hypothermia is less, the drop in intraoperative temperature is less, the lowest body temperature is higher, and the risk of postoperative shivering is reduced. LEVEL OF EVIDENCE: Level II, systematic review of Level I and II studies. PMID- 29217306 TI - Improving Carboplatin Dosing Based on Estimated GFR. PMID- 29217307 TI - Autosomal Dominant Tubulointerstitial Kidney Disease Due to MUC1 Mutation. AB - Mucin 1 kidney disease, previously referred to as medullary cystic kidney disease type 1, is a rare hereditary kidney disease. It is one of several diseases now termed autosomal dominant tubulointerstitial kidney disease, as proposed by a KDIGO (Kidney Disease: Improving Global Outcomes) consensus report in 2014. Autosomal dominant tubulointerstitial kidney diseases share common clinical findings, such as autosomal dominant inheritance, bland urinary sediment, absent to mild proteinuria, and progressive loss of kidney function. Although the pathophysiology of mucin 1 kidney disease is still under investigation, genetic testing has been developed to detect the most well-known mutation, a single cytosine insertion into a string of 7 cytosines in the variable-number tandem repeat (VNTR) region of the MUC-1 gene. With this diagnostic tool, nephrologists can offer genetic counseling to affected families and monitor closely for progression of disease. We report a Hispanic patient with a strong family history of chronic kidney disease who tested positive for the MUC1 mutation. PMID- 29217305 TI - Longitudinal Weight Change During CKD Progression and Its Association With Subsequent Mortality. AB - BACKGROUND: Few studies have investigated the changes in weight that may occur over time among adults with the progression of chronic kidney disease (CKD). Whether such weight changes are independently associated with death after the onset of end-stage renal disease has also not been rigorously examined. STUDY DESIGN: Prospective cohort study. SETTING & PARTICIPANTS: We studied 3,933 participants of the Chronic Renal Insufficiency Cohort (CRIC) Study, a longitudinal cohort of patients with CKD. We also performed similar analyses among 1,067 participants of the African American Study of Kidney Disease and Hypertension (AASK). PREDICTORS: Estimated glomerular filtration rate (eGFR) and weight change during CKD. OUTCOME: Weight and all-cause mortality after dialysis therapy initiation. RESULTS: During a median follow-up of 5.7 years in CRIC, weight change was not linear. Weight was stable until cystatin C-based eGFR (eGFRcys) decreased to <35mL/min/1.73m2; thereafter, weight declined at a mean rate of 1.45 kg (95% CI, 1.19-1.70) for every 10 mL/min/1.73m2 decline in eGFRcys. Among the 770 CRIC participants who began hemodialysis or peritoneal dialysis therapy during follow-up, a >5% annualized weight loss after eGFR decreased to <35mL/min/1.73m2 was associated with a 54% higher risk for death after dialysis therapy initiation (95% CI, 1.17-2.03) compared with those with more stable weight (annualized weight changes within 5% of baseline) in adjusted analysis. Similar findings were observed in the AASK. LIMITATIONS: Inclusion of research participants only; inability to distinguish intentional versus unintentional weight loss. CONCLUSIONS: Significant weight loss began relatively early during the course of CKD and was associated with a substantially higher risk for death after dialysis therapy initiation. Further studies are needed to determine whether interventions to optimize weight and nutritional status before the initiation of dialysis therapy will improve outcomes after end-stage renal disease. PMID- 29217308 TI - A Sustainable Model for Peer Review and Utility of At-a-Glance Analysis of Dose Volume Histogram in Radiation Oncology. PMID- 29217309 TI - Re: Letter to the Editor of Public Health in response to 'Provision of information to consumers about the calorie content of alcoholic drinks: did the responsibility deal pledge by alcohol retailers and producers increase the availability of calorie information?' PMID- 29217310 TI - About the connectivity of dual-scale media based on micro-structure based regional analysis of NMR flow propagators. AB - The characterisation of heterogeneous porous media at multiple length scales typically requires the classification of structure at some scale to allow the calculation of effective transport properties at a scale relevant for macroscopic description. While such a classification may be derived from various imaging methods, a shortcoming is often the simultaneous characterisation of the connectivity between regions representing different micro-structure. In this work we combine NMR based flow propagators with the simulations performed on corresponding reconstructed structure, and relate the NMR measurements to their simulated global and local representations to study fluid transport locally and the exchange between micro- and macro-porous regions. This is achieved by carrying out detailed lattice Boltzmann simulations and random walk method to track the displacements of tracers in each kind of region. Using Euclidean distance maps (EDT) we analyse the fluid invasion to regions of different scale and relate it to the connectivity of the system. We demonstrate that numerical simulation has great flexibility in providing additional sensitivity to the inference of region-region connectivity. PMID- 29217311 TI - In Pursuit of Fellowship: Results From a 2016 Survey of US Trainees. AB - PURPOSE: The purpose of this study was to gauge radiology trainee perceptions regarding the fellowship selection process and survey their perceived level of preparedness and desire for a fellowship-oriented lecture. METHODS: A survey, approved by Association of Program Coordinators in Radiology (APCR) was distributed via e-mail to all APCR members for distribution to their residents. RESULTS: A total of 98.6% (n = 261) of residents plan to pursue a fellowship. The most popular fellowships are interventional radiology, body, musculoskeletal, and Neuro. For fellowship information, residents believe that fellowship directors in their field of intent were the most reliable (76%), followed by fellows (65%). Only approximately 50% of residents felt somewhat strongly that they were preparing for their fellowship application correctly. Lastly, 44% of residents (n = 94) replied extremely likely to attend a lecture series given by fellowship directors, and 36% (n = 77) said somewhat likely. CONCLUSION: This survey demonstrates that most trainees plan to pursue fellowship training. Residents ranked certain resources as more important in fellowship selection, such as fellowship directors and fellows. Lastly, there is a high interest in a lecture series that would bring together fellowship directors and residents that are interested in that particular fellowship. PMID- 29217312 TI - Long-term stability of dental adhesive incorporated by boron nitride nanotubes. AB - OBJECTIVE: The aim of this study was to evaluate physicochemical properties, long term microtensile bond strength and cytotoxicity of methacrylate-based adhesive containing boron nitride nanotubes (BNNTs) as fillers. METHODS: A dental adhesive was formulated using BisGMA/HEMA, 66/33wt% (control). Inorganic BNNT fillers were incorporated into the adhesive at different concentrations (0.05, 0.075, 0.1 and 0.15wt%). Analyses of degree of conversion (DC), polymerization rate [Rp.(s-1)], contact angle (CA) on dentin, after 24h and 6 months microtensile bond strength (MUTBS-24h and 6 months) were assessed. Cytotoxicity was performed through viability of fibroblast cells (%) by sulforhodamine B (SRB) colorimetry. RESULTS: DC and max. polymerization rate increased (p<0.05) after incorporating 0.075 and 0.1wt% BNNT. The contact angle on dentin increased (p<0.05) after incorporating 0.15wt% BNNT. The MUTBS-24h showed no changes (p>0.05) after incorporating up to 0.15wt% BNNT comparing to control. After 6 months, MUTBS decreased (p<0.05) for control and 0.15wt% BNNT and BNNT groups up to 0.15wt% showed higher MUTBS than control (p<0.05). No difference of fibroblast growth was found among adhesives (p>0.05) and up to 19% of cell viability was found comparing 0.05wt% BNNT to positive control group (100%). SIGNIFICANCE: Incorporating boron nitride nanotubes up to 0.1wt% into dental adhesive increased the long-term stability to dentin without decreasing viability of fibroblast cell growth. Thus, the use of BNNTs as filler may decrease failure rate of current dentinal adhesives. PMID- 29217313 TI - Characteristics and Health Needs of Veterans in Jails and Prisons: What We Know and Do Not Know about Incarcerated Women Veterans. AB - PURPOSE: The majority of U.S. veterans in prisons and local jails are men, but incarcerated women veterans remain an important and understudied group. METHODS: This study reported differences in sociodemographic, health, and criminal justice characteristics using Veterans Affairs (VA) administrative data on a national sample of 30,964 incarcerated veterans (30,440 men and 524 women) who received outreach from the VA Health Care for Reentry Veterans program between 2007 and 2011. Descriptive statistics and multivariable logistic regressions determined gender and racial differences in this population. RESULTS: Compared with incarcerated veterans who were men, incarcerated women veterans were younger (d = 0.68), had significantly lower lifetime arrests (AOR, 0.65; p < .001; 99% CI, 0.49-0.87), and were less likely to have been incarcerated for a violent offense (AOR, 0.47; p < .001; 99% CI, 0.35-0.63). Notably, 58% of women were of reproductive age. Women were more likely to have reported eye problems, hypertension, chronic obstructive pulmonary disease, and seizure disorder, and were more likely to receive a preliminary diagnosis of mood disorder than men. Women were more likely to have received VA benefits, used VA health care before, and be willing to use VA services after release. A few important differences emerged when stratified by race. CONCLUSIONS: These findings suggest that incarcerated women veterans are interested in VA health care services, but there is lack of information about women's health needs through the Health Care for Reentry Veterans program. The inclusion of Health Care for Reentry Veterans screening questions about women's health issues may support the VA's interests to better engage women veterans in care. PMID- 29217314 TI - Congenital Cytomegalovirus Infection and the Occurrence of Cystic Periventricular Leukomalacia. PMID- 29217315 TI - Predictors of effective therapeutic relationships between pharmacists and patients with type 2 diabetes: Comparison between Arabic-speaking and Caucasian English-speaking patients. AB - BACKGROUND: The benefits of pharmacist-led interventions in achieving desired patient outcomes have been well established. Effective patient-pharmacist relationships are required to provide high-quality pharmacy care. Limited information is available about how Arabic-speaking migrants with diabetes, in Australia, perceive patient-pharmacist relationship and how these perspectives differ from the mainstream society (represented by Caucasian English-speaking people). OBJECTIVE: To examine and compare the patient-pharmacist relationship, medication underuse and adherence levels among Arabic-speaking and Caucasian English-speaking patients with type 2 diabetes. METHODS: A 98-item survey incorporating several previously-validated measurements was completed by Arabic speaking migrants (ASMs) and Caucasian English-speaking patients (ESPs) with type 2 diabetes. Participants were recruited from various healthcare settings in the Melbourne metropolitan area and rural Victoria, Australia. This survey-based, cross-sectional study was designed to explore patients' perceptions of the patient-pharmacist relationship. A descriptive analysis of responses was undertaken, and binary logistic regression was used to explore patient-pharmacist relationships. RESULTS: A total of 701 participants were recruited; 392 ASMs and 309 ESPs. Of ASMs, 88.3% were non-adherent to their prescribed medication, compared with 45.1% of ESPs. The degree of relationship with community pharmacists differed significantly between ASMs and ESPs. Compared with ASMs, significantly more ESPs reported that they have thought about consulting a pharmacist when they had health problems (P = 0.002). Compared with ESPs, significantly fewer ASMs reported always following pharmacist recommendations (32% versus 61.9% respectively). CONCLUSIONS: Arabic-speaking migrants had less effective relationships with community pharmacists when having their prescriptions filled. Community pharmacists' expertise appeared to be underused. These minimal relationships represent missed opportunities to improve health outcomes. PMID- 29217316 TI - Prevention of Feline Injection-Site Sarcomas: Is There a Scientific Foundation for Vaccine Recommendations at This Time? AB - Recently published guidelines have made specific vaccine recommendations purported to potentially reduce the incidence of feline injection-site sarcomas (FISS). These recommendations have largely been based on experimental models of inflammation under different vaccine formulations. In none of these studies did sarcomas occur. It is scientifically untenable to address FISS risk based on propensity of vaccines to elicit differential inflammatory responses if none of those responses led to sarcoma development. Although the recommendations may ultimately be found to be prescient and valid, it will take considerable additional research before this can happen. Until then, such guidelines must be regarded with skepticism. PMID- 29217317 TI - Recent Advances in Vaccine Technologies. AB - This brief review discusses some recent advances in vaccine technologies with particular reference to their application within veterinary medicine. It highlights some of the key inactivated/killed approaches to vaccination, including natural split-product and subunit vaccines, recombinant subunit and protein vaccines, and peptide vaccines. It also covers live/attenuated vaccine strategies, including modified live marker/differentiating infected from vaccinated animals vaccines, live vector vaccines, and nucleic acid vaccines. PMID- 29217318 TI - GHRH plus arginine and arginine administration evokes the same ratio of GH isoforms levels in young patients with Prader-Willi syndrome. AB - Human GH is present in pituitary and circulation as several isoforms, the prevalent being 22kDa- and 20kDa-GH. Recently, we have demonstrated the preservation of a normal balance in GH isoforms after GH releasing hormone (GHRH) plus arginine (ARG) administration in adult patients with Prader-Willi syndrome (PWS), one of the most common causes of syndromic obesity, often associated with GH deficiency (GHD). Aim of the present study was to measure circulating levels of 22kDa- and 20kDa-GH in young PWS patients (n=24; F/M: 10/14; genotype UPD/DEL/met+: 11/11/2; age: 10.8+/-5.3years; BMI SDS: 2.0+/-2.0; GHD: 16/24; obesity: 12/24) after combined GHRH+ARG or ARG administration. The results were analysed subdividing the GHRH+ARG and ARG groups on the basis of PWS genotype, GHD status and obesity. Circulating levels of 22kDa- and 20kDa-GH were measured by a chemiluminescent or fluorescent method based on specific pairs of monoclonal antibodies. GHRH+ARG or ARG significantly stimulated the secretion of 22kDa-GH but not that of 20kDa-GH in all PWS patients. No significant GHRH+ARG- vs. ARG induced changes in the ratios of 22kDa- to 20kDa-GH peaks were observed in all PWS patients, although 22kDa- or 20kDa-GH peaks were significantly higher in the GHRH+ARG than ARG group. When subdividing PWS patients in UPD vs. DEL, obese vs. non obese and GHD vs. non GHD subgroups, GH peaks were significantly higher in nonobese than obese patients and in non GHD than GHD patients administered with either GHRH+ARG or ARG test, apart from the comparisons in the DEL/UPD subgroups. Anyway, the ratios of peak levels of 22kDa- to 20kDa-GH were similar after GHRH+ARG vs. ARG in all subgroups investigated. In conclusion, this study shows that administration of two different pharmacological tests, i.e. ARG, capable of reducing hypothalamic somatostatinergic tone, and GHRH (+ARG), that directly acts at pituitary level on the somatotropic cell, evokes the same ratios of GH isoforms in young PWS patients, suggesting that the hypothalamic dysfunction in this genetic disorder does not alter the qualitative and quantitative composition of GH isoforms present in circulation. PMID- 29217320 TI - Editorial. PMID- 29217319 TI - Long-term analysis of surgical treatment outcomes in chronic pilonidal sinus disease. AB - BACKGROUND/PURPOSE: Chronic pilonidal sinus disease (PSD) is relatively common in adolescents and can be treated by various surgical techniques. This study aimed to evaluate the outcome in adolescents surgically treated for PSD in a single clinic. METHODS: PSD patients surgically treated over an 8-year period were retrospectively evaluated. Classical midline incision and excision with primary repair was performed in all. Regular follow up visits were scheduled. Evaluation of postoperative outpatient clinic records as well as telephone interviews for patients who were operated more than 6months ago were done for the long-term results, including coherence to regional hair care. RESULTS: There were 268 patients with a median age of 16years; 146 (54%) were males, and 122 (46%) were females. Outpatient follow up records were available for 249 (92.9%) patients with a median of postoperative 3months (7days-49months). Moreover, 114 (42.5% of total) patients were interviewed by telephone 6-63 (median 25) months after the surgery. In 36 (13.4%) patients, wound infection or dehiscence occurred within the first month of surgery and was treated by secondary healing. Recurrences were observed in 21 (7.8%) patients all having poor local hygiene. Laser epilation was employed in 32 (28%) patients, and none of these had recurrences. CONCLUSIONS: Classical midline incision and primary closure approach for surgical treatment of PSD in adolescents has similar results to adults. Postoperative hair removal seems to reduce recurrences. TYPE OF STUDY: Treatment study. LEVEL OF EVIDENCE: Level IV (Retrospective case series with no comparison group). PMID- 29217321 TI - Bronchoscopy as a screening tool for symptomatic tracheomalacia in oesophageal atresia. AB - AIM: Oesophagealatresia/tracheo-oesophageal fistula (OA-TOF) is associated with tracheomalacia (TM). In our institution it is routine for OA-TOF patients to undergo dynamic flexible bronchoscopy (DFB) assessing both the site of the fistula and the presence or absence of TM. We aimed to determine the value of this investigation as a screening tool to predict subsequent symptomatic tracheomalacia in these patients. METHODS: All patients with OA-TOF who underwent DFB at the time of initial repair between June 2014 and November 2016 were included prospectively. The findings at DFB were recorded. Patients were grouped according to the presence or absence of TM and followed to determine which of them developed symptomatic airway problems. The sensitivity and specificity of TM at initial bronchoscopy as a screening tool for subsequent symptomatic TM were calculated. The study was given ethical approval by our institution. MAIN RESULTS: Twenty-three patients were included in the study. Median follow-up was for 7 (1-27) months. Fifteen (65%) were found to have TM at their first DFB; 13 (57%) subsequently developed airway symptoms, and of these 11 had TM at initial DFB. One patient with severe TM (>90% tracheal collapse) at initial DFB was completely asymptomatic following OA-TOF repair. The sensitivity was 85%, and specificity was 60%. The positive and negative predictive values were 73% and 75%, respectively. CONCLUSIONS: DFB is a useful tool in many aspects of the management of OA/TOF. However, it is not a good screening tool to predict symptomatic tracheomalacia with moderate sensitivity and a low specificity. LEVEL OF EVIDENCE: Level IIb, Retrospective cohort study. PMID- 29217322 TI - Incidence of ureterovesical obstruction and Cohen antireflux surgery after Deflux(r) treatment for vesicoureteric reflux. AB - AIM: The purpose of this study was to determine the incidence of ureteric obstruction (UB) and requirement for Cohen antireflux surgery (CAS) after DefluxR treatment (DT) for vesicoureteric reflux (VUR). METHODS: Between 2011 and 2017, 494 ureters (VUR severity <= grade III: N=291 or >grade IV: N=203) were treated by DT at a mean age of 4.5 (range: 0.2-24) years. Epidural Catheter Assistance (ECA) was used to exclude UB by injecting diluted indigo carmine solution (1-3mL) into an epidural catheter inserted into a ureter after DT and confirming dye flow within 15min. ECA+: N=181 ureters; ECA-: N=313 ureters. RESULTS: In ECA+, UB was detected in 5/181 (2.7%) ureters (grade II: N=1, III: N=3, and IV: N=1) treated by leaving the ECA catheter in situ overnight (N=4) or double J stent (DJS) insertion for 1month (N=2). After mean follow-up of 1.9years, one grade III DJS case has residual grade II VUR. In ECA-, 3/313 (0.9%) cases developed UB. One resolved, and one required DJS. CAS was required for 17/494 (3.4%) ureters and hindered by DT in 5/17 (29.4%) ureters. All are sequelae-free after mean follow up of 1.8years. CONCLUSIONS: UB may be more frequent than reported (3.3% versus 0.6%-1.8%). ECA identifies potential UB. TYPE OF STUDY: Treatment study. LEVEL OF EVIDENCE: Level III. PMID- 29217323 TI - Noninvasive monitoring of physiologic compromise in acute appendicitis: New insight into an old disease. AB - INTRODUCTION: Physiologic compromise in children with acute appendicitis has heretofore been difficult to measure. We hypothesized that the Compensatory Reserve Index (CRI), a novel adjunctive cardiovascular status indicator, would be low for children presenting with acute appendicitis in proportion to their physiological compromise, and that CRI would rise with fluid resuscitation and surgical management of their disease. METHODS: Ninety-four children diagnosed with acute appendicitis were monitored with a CipherOx CRITM M1 pulse oximeter (Flashback Technologies Inc., Boulder, CO). For clarity, CRI=1 indicates supine normovolemia, CRI=0 indicates hemodynamic decompensation (systolic blood pressure<80mmHg), and CRI values between 1 and 0 indicate the proportion of volume reserve remaining before collapse. Results are presented as counts with proportion (%), or mean with 95% confidence interval (CI). RESULTS: Mean age was 11years old (95% CI: 10-12), and 49 (52%) of the children were male. Fifty-four (57%) had nonperforated appendicitis and 40 (43%) had perforated appendicitis. Mean initial CRI was significantly higher in those with nonperforated appendicitis compared to those with perforated appendicitis (0.57, 95% CI: 0.52 0.63 vs. 0.36, 95% CI: 0.29-0.43; P<0.001). The significant differences in mean CRI values between the two groups remained throughout the course of treatment, but lost its significance at 2h after surgery (0.63, 95% CI: 0.57-0.70 vs. 0.53, 95% CI: 0.46-0.61; P=0.05). CONCLUSION: Low CRI values in children with perforated appendicitis are indicative of their lower reserve capacity owing to peritonitis and hypovolemia. CRI offers a real-time, noninvasive adjunctive tool to monitor tolerance to volume loss in children. LEVEL OF EVIDENCE: Study of diagnostic test; Level of evidence: Level III. PMID- 29217324 TI - [Medical human resources planning in Europe: A literature review of the forecasting models]. AB - BACKGROUND: Healthcare is a labor-intensive sector in which half of the expenses are dedicated to human resources. Therefore, policy makers, at national and internal levels, attend to the number of practicing professionals and the skill mix. This paper aims to analyze the European forecasting model for supply and demand of physicians. METHODS: To describe the forecasting tools used for physician planning in Europe, a grey literature search was done in the OECD, WHO, and European Union libraries. Electronic databases such as Pubmed, Medine, Embase and Econlit were also searched. RESULTS: Quantitative methods for forecasting medical supply rely mainly on stock-and-flow simulations and less often on systemic dynamics. Parameters included in forecasting models exhibit wide variability for data availability and quality. The forecasting of physician needs is limited to healthcare consumption and rarely considers overall needs and service targets. Besides quantitative methods, horizon scanning enables an evaluation of the changes in supply and demand in an uncertain future based on qualitative techniques such as semi-structured interviews, Delphi Panels, or focus groups. Finally, supply and demand forecasting models should be regularly updated. Moreover, post-hoc analyze is also needed but too rarely implemented. CONCLUSION: Medical human resource planning in Europe is inconsistent. Political implementation of the results of forecasting projections is essential to insure efficient planning. However, crucial elements such as mobility data between Member States are poorly understood, impairing medical supply regulation policies. These policies are commonly limited to training regulations, while horizontal and vertical substitution is less frequently taken into consideration. PMID- 29217325 TI - Protocatechuic acid (PCA) induced a better antiviral effect by immune enhancement in SPF chickens. AB - Protocatechuic acid (PCA) is an antiviral agent against Avian Influenza virus (AIV) and Infectious Bursal Disease (IBD) virus, but its antiviral mechanism is unknown. In this study, we evaluated the humoral and cellular responses to PCA in specific pathogen-free (SPF) chickens. One hundred forty 35-day-old SPF chickens were randomly divided into 7 groups. The birds were inoculated with the commercial, attenuated Newcastle Disease Virus (NDV) vaccine and then received orally with 10, 20 or 40 mg/kg body weight of PCA for 30 days. Immune organ indexes, anti-Newcastle Disease Virus (NDV) antibodies and lymphocyte proliferation, but not body weight, were significantly increased in chicken treated with 40 mg/kg PCA, compared to the control birds treated with Astragalus polysaccharide (ASP). Survival rate was 70% and 60%, respectively, in the chickens with 40 mg/kg PCA, 20 mg/kg PCA while 50% survival was found in the birds treated with 125 mg/kg ASP. PCA treatment resulted in significantly lower viral load and reduced shedding. These results indicate that PCA may improve poultry health by enhancing both the humoral and cellular immune response. PMID- 29217326 TI - The effects of fish gender on susceptibility to acute Streptococcus agalactiae infection in Javanese medaka Oryzias javanicus. AB - This study describes the susceptibility of different fish gender following acute Streptococcus agalactiae infection by using Javanese medaka Oryzias javanicus as test fish. The fish were grouped into four groups, which were: (1) all-male; (2) all-female; (3) mixed-gender (1 male: 1 female ratio); and (4) control non infected (1 male: 1 female ratio). The fish in group 1, 2 and 3 were intraperitoneally exposed to 5.4 * 108 CFU/mL of S. agalactiae, while for group 4, the fish were exposed using sterile broth. The main clinical signs and histopathological changes of infected Javanese medaka were commonly observed in S. agalactiae infected fishes. However, no difference on clinical signs and histopathological changes of fish in group 1, 2 and 3 were noticed. The Javanese medaka mortality in group 1, 2 and 3 were observed from 4 h post infection (hpi) to 6 hpi, with the cumulative mortality from 3% to 30%. Then, the mortality increased at 12 hpi, with the range from 53% to 80%. However, 100% of the infected fish dead at 24 hpi. No clinical sign, histopathological change and fish mortality recorded in group 4. Generally, the clinical signs, mortality patterns, cumulative mortality and histopathological changes of Javanese medaka infected by S. agalactiae did not show any difference between the all-male, all-female and mixed-gender groups. This indicates that the susceptibility of fish to S. agalactiae infection is not influenced by their gender. PMID- 29217327 TI - Changes of adenosinergic system in piglets fed a diet co-contaminated by mycotoxin and their effects on the regulation of adenosine. AB - The effects of diets co-contaminated with 300 MUg/kg of aflatoxins and 8000 MUg/kg of fumonisins on adenosinergic system of the pigs weaned at 15 days of age were studied. Piglets were inspected daily, and body weight measurement and blood collections were performed at every five days. Piglets intoxicated by mycotoxins presented lower weight gain (p < 0.001) in comparison to control. Intoxicated piglets also showed a reduction in the serum levels of zinc and adenosine and in adenosine deaminase (ADA) activity (p < 0.001). Positive correlations between zinc levels and ADA activity (p < 0.001) and between adenosine levels and ADA activity (p < 0.05) were observed. Ternary plot shows the influence of zinc levels on ADA activity and on adenosine levels, suggesting that low zinc levels, caused by subclinical mycotoxin intoxication, can cause immunomodulatory effects in piglets. We conclude that piglets intoxicated by fumonisins and aflatoxins have low ADA activity and adenosine levels in serum. This can be directly related to zinc reduction, which is a cofactor for ADA. The co-contamination by these mycotoxins in piglet feed impairs growth and immune defenses of the animals, adversely affecting animal health and production. Therefore, changes in the purinergic pathway may affect the pathogenesis of the disease. PMID- 29217328 TI - [A proposal for improving social and health care: The application of an integral and integrated model]. PMID- 29217329 TI - [The changing profile of caregivers of persons aged 65 years and over with disabilities within a persisting family care model]. AB - INTRODUCTION: The increasing participation of women in the workforce may make it difficult to sustain the current model of elderly care. The aim of this article was to determine the changing sociodemographic profile of informal elderly caregivers with disabilities, the interaction between employment and care, and the view of the public on the responsibility of that care. MATERIALS AND METHODS: Cross-sectional analysis of secondary data from four national surveys were used: the disability surveys held in 1999 (N=3,936) and 2008 (N=5,257), the 2011-12 National Health Survey (N=439), and the Family and Gender survey of 2012 (N=1,359). They were analysed using contingency tables based on gender and age. RESULTS: Half of the informal caregivers were women aged 45 to 64 years. Between 1999 and 2011-12 they became more concentrated in the 55-64 age-bracket, among whom participation in the workforce doubled from 20% to 40%. Increased care for men was associated with unemployment. Care work had a negative impact on working life, with greater impact among women and those who cared for elderly people with severe disabilities. Less likely to consider that elderly care provision should rest on family are 45-54 year-old economically active women (only 42%) or those who are more educated (40%), compared to 60% of economically inactive women and 55% of less educated women. CONCLUSIONS: Economically active and educated women are less inclined to family-based care, but assume it independently of their workforce participation, whereas males do so according to their availability. PMID- 29217330 TI - [Cognitive neuroscience of aging. Contributions and challenges]. AB - The cognitive neuroscience of aging is a young discipline that has emerged as a result of the combination of: A) the theoretical and explanatory frameworks proposed by the cognitive psychology perspective throughout the second half of the twentieth century; B) the designs and methodological procedures arising from experimental psychology and the need to test the hypotheses proposed from the cognitive psychology perspective; C) the contributions of the computer sciences to the explanation of brain functions; and D) the development and use of neuroimaging techniques that have enabled the recording of brain activity in humans while tasks that test some cognitive process or function are performed. An analysis on the impact of research conducted from this perspective over the last 3decades has been carried out, including its shortcomings, as well as the potential directions and usefulness that will advantageously continue to drive this discipline in its description and explanation of the process es of cerebral and cognitive aging. PMID- 29217331 TI - Dosimetric impact of translational and rotational setup errors for spine stereotactic body radiotherapy: A phantom study. AB - This study aimed to investigate experimentally the effect of translational and rotational setup errors on 3-dimensional dose distributions by using the gamma index and dose volumetric indices for spine stereotactic body radiotherapy. Treatment plans were designed in accordance with the Radiation Therapy Oncology Group (RTOG) 0631 protocol. Measurements were taken using a Delta4 phantom (ScandiDos, Uppsala, Sweden). Setup errors were generated using the HexaMotion 6D moving platform (ScandiDos). Dose distributions in the presence of setup errors were evaluated, according to the gamma passing rate with the 3% and 2 mm criteria (gamma3%/2 mm) and dose volumetric indices (D90 for the target volume and D2 for the spinal cord), using the Delta4 device (ScandiDos). The sensitivity coefficient, which represented the correlation between the gamma3%/2 mm passing rate and dose volumetric indices, was determined to assess robustness against setup errors. Rotational setup errors of 2 degrees were equivalent to translational setup errors of 2 mm for the gamma3%/2 mm passing rate, D90 for the target, and D2 for the spinal cord. D90 for the target had low robustness against a translational setup error in the vertical direction and a rotational setup error in the pitch direction. D2 for the spinal cord was sensitive to a translational setup error in the lateral direction and a rotational setup error in the roll direction. The positioning accuracy of the rotational setup error, corresponding to the tolerance level of image-guided radiotherapy in the RTOG 0631 protocol, was required to be <= 2 degrees . PMID- 29217332 TI - Revisiting high-frequency oscillatory ventilation in vitro and in silico in neonatal conductive airways. AB - BACKGROUND: High frequency oscillatory ventilation is often used for lung support in premature neonates suffering from respiratory distress syndrome. Despite its broad use in neonatal intensive care units, there are to date no accepted protocols for the choice of appropriate ventilation parameter settings. In this context, the underlying mass transport mechanisms are still not fully understood. METHODS: We revisit the question of flow phenomena under conventional mechanical ventilation and high frequency oscillatory ventilation in an anatomically inspired model of neonatal conductive airways spanning the first few airway generations. We first perform at true scale in vitro particle image velocimetry measurements of respiratory flow patterns. Next, we explore in silico convective mass transport in computational fluid dynamics simulations by implementing Lagrangian tracking of tracer boli, where the ventilatory flow rate is fixed. FINDINGS: Particle image velocimetry measurements at eight representative phase angles of a breathing cycle reveal similar flow patterns at peak velocity and during deceleration phases for conventional mechanical ventilation and high frequency oscillatory ventilation. Characteristic differences occur during the acceleration and flow reversal phases. Net displacements of the tracer particles rapidly reach asymptotic behaviour over cumulative breathing cycles and suggest a linear relation between tidal volume and convective mass transport. INTERPRETATION: The linear relation observed suggests that differences in flow characteristics between conventional mechanical ventilation and high frequency oscillatory ventilation conditions do not substantially influence convective mass transport mechanisms. Lower tidal volumes thus cannot be compensated straightforwardly by selecting higher frequencies to maintain similar ventilation efficiencies. PMID- 29217333 TI - Inside job: Staphylococcus aureus host-pathogen interactions. AB - Staphylococcus aureus is a notorious opportunistic pathogen causing a plethora of diseases. Recent research established that once phagocytosed by neutrophils and macrophages, a certain percentage of S. aureus is able to survive within these phagocytes which thereby even may contribute to dissemination of the pathogen. S. aureus further induces its uptake by otherwise non-phagocytic cells and the ensuing intracellular cytotoxicity is suggested to lead to tissue destruction, whereas bacterial persistence within cells is thought to lead to immune evasion and chronicity of infections. We here review recent work on the S. aureus host pathogen interactions with a focus on the intracellular survival of the pathogen. PMID- 29217334 TI - Health Literacy: An Important Clinical Tool in Heart Failure. PMID- 29217335 TI - Rivaroxaban and Apixaban for Initial Treatment of Acute Venous Thromboembolism of Atypical Location. AB - OBJECTIVES: To assess the outcome of direct oral anticoagulants (DOACs), specifically Xa inhibitors: rivaroxaban and apixaban, for the treatment of venous thromboembolism (VTE) of atypical location (VTE-AL), portal, mesenteric, hepatic, splenic, gonadal, renal, and cerebral veins, prospectively collected data of Mayo Thrombophilia Clinic Registry were used. METHODS: Patients with acute VTE-AL treated with DOACs, enrolled between March 1, 2013, and February 1, 2017, were compared with patients with VTE of typical location (VTE-TL: deep vein thrombosis of extremities and/or pulmonary embolism) receiving DOACs and with patients with VTE-AL treated with enoxaparin. RESULTS: Out of 623 patients with acute VTE receiving the study drug within 14 days of diagnosis, there were 63 with VTE-AL: 36 on DOAC, 23 on enoxaparin, and 4 on warfarin; 352 received DOAC for VTE-TL. The VTE-AL treated with DOAC/enoxaparin included the following: splanchnic (26/22), ovarian (8/2), renal (3/5), and cerebral veins (1/1), respectively. Recurrence rate (per 100 person-years) for the VTE-AL group receiving DOAC was 7.3, which was not different when compared with those for VTE-TL (2.4; P=.13) and VTE-AL groups receiving enoxaparin (23.7; P=.37). Major bleeding rate in the VTE AL group receiving DOAC was not different compared with those for VTE-TL (7.2 vs 3.0; P=.26) and VTE-AL groups on enoxaparin (22.4; P=.31). Mortality was higher in the VTE-AL group on DOAC compared with the VTE-TL group (21.45 [95% CI, 7.87 46.69] vs 8.26 [95% CI, 5.35, 12.20]; P=.03). All patients with VTE-AL with events had cancer. CONCLUSION: The VTE recurrence and bleeding rates for rivaroxaban and apixaban used in VTE-AL are not different from those in patients with VTE-TL and similar to that for enoxaparin. PMID- 29217336 TI - Patient-Physician Agreement Using Summary Outcome Determination Scores. AB - OBJECTIVE: To determine whether the Summary Outcome Determination (SOD) score had exhibited a high level of physician-patient agreement in surgical patients. PATIENTS AND METHODS: The medical records of 320 postoperative patients were reviewed, of whom 164 patients were included in the study. Patients were included if both physician-assigned and patient-assigned SOD scores had been recorded. The SOD is administered as follows: the patient is asked "Compared to before surgery, is your elbow/shoulder better, worse or no different?" If better: "Is it improved, greatly improved, almost normal or normal?" If worse: "Is it worse or profoundly worse, or as bad as dying?" Each category is associated with a numerical value and definition for further clarification. The patient is asked to assign a category and a numerical value after the physician has already done so. These categories and values were evaluated between raters (ie, physician and patient) to assess reliability. RESULTS: The intraclass correlation coefficient of physician-patient numerical ratings was "excellent" (0.93). The Bland-Altman 95% limits of agreement on the differences between the physician and the patient ranged from -1.3 to 1.3. The physician and patient numerical rankings matched exactly in 118 patients (72%) or differed by a factor of no more than 1 (26%) in 161 (98%) patients. CONCLUSION: The SOD score can be used as both a surgeon-based and a patient-based outcome score, given the high level of agreement. Given its brevity, ease of understanding, and high interrater reliability, the SOD has the potential to be used across multiple specialties to rate outcomes. PMID- 29217337 TI - Health Literacy and Outcomes in Patients With Heart Failure: A Prospective Community Study. AB - OBJECTIVE: To examine the impact of health literacy on hospitalizations and death in a population of patients with heart failure (HF). PATIENTS AND METHODS: Residents from the 11-county region in southeast Minnesota with a first-ever International Classification of Diseases, Ninth Revision code 428 or Tenth Revision code 150 (n=5121) from January 1, 2013, through December 31, 2015, were identified and prospectively surveyed to measure health literacy using established screening questions. A total of 2647 patients returned the survey (response rate, 52%); 2487 patients with complete health literacy data were retained for analysis. Health literacy, measured as a composite score on three 5 point scales, was categorized as adequate (>=8) or low (<8). Cox proportional hazards regression and Andersen-Gill models were used to examine the association of health literacy with mortality and hospitalization. RESULTS: Of 2487 patients (mean age, 73.5 years; 53.6% male [n=1333]), 10.5% (n= 261) had low health literacy. After mean +/- SD follow-up of 15.5+/-7.2 months, 250 deaths and 1584 hospitalizations occurred. Low health literacy was associated with increased mortality and hospitalizations. After adjusting for age, sex, comorbidity, education, and marital status, the hazard ratios for death and hospitalizations in patients with low health literacy were 1.91 (95% CI, 1.38-2.65; P<.001) and 1.30 (95% CI, 1.02-1.66; P=.03), respectively, compared with patients with adequate health literacy. CONCLUSION: Low health literacy is associated with increased risks of hospitalization and death in patients with HF. The clinical evaluation of health literacy could help design interventions individualized for patients with low health literacy. PMID- 29217338 TI - [Occupational risks during pregnancy: Feedback from occupational medical services]. AB - OBJECTIVES: To describe the follow-up of pregnancies at work and exposures to pregnancy occupational hazards. METHODS: A cross-sectional study was performed between January and December 2014 in occupational health services of Languedoc Roussillon region. Eligible workers were interviewed by occupational health physicians (OHPs) after delivery and at the time of returning to work (exposure, anticipation, prevention, communication, sick leave). Occupational skill levels were classified according to the French standard classification of occupations (version 2003) from the French National Institute of Statistics. Socioeconomic deprivation was assessed using the Evaluation of Deprivation and Inequalities in Health Examination (EPICES) individual scale. RESULTS: A total of 1347 workers were recruited. The mean age was at 30.7+/-4.5 years. Among pregnant workers, there were 54.2% of employees, 30.7% of intermediate occupations, 10.4% of managers and, 4.7% of manual workers. Twenty-two percent of workers were classed as deprived. Also, 43.2% of workers were exposed to three or more occupational hazards during pregnancy. Only 17.7% of workers had medical visits with OHP during pregnancy and 14.7% benefited from workstation adjustments. In contrast, the level of sick leaves was high (74.2%). CONCLUSION: Our results argue for the need to follow pregnancies at work. However, the low level of prevention activities and the high level of sick leaves raise the question of the management of pregnant women at work. PMID- 29217339 TI - Standardization, chemical profiling, in vitro cytotoxic effects, in vivo anti carcinogenic potential and biosafety profile of Indian propolis. AB - BACKGROUND: Propolis from apiculture is known for wide range of medicinal properties owing to its vast chemical constituents including polyphenols, flavonoids and anticancer agent Caffeic acid phenethyl ester (CAPE). OBJECTIVES: The objective of the study was to extract and standardize Indian propolis (IP) with respect to selected markers by newly developed High performance liquid chromatography (HPLC) method, to evaluate in vitro and in vivo anticancer activity and biosafety of Indian propolis. MATERIALS AND METHODS: IP was extracted, optimized and standardized using a newly developed and validated HPLC method for simultaneous estimation of caffeic acid, apigenin, quercetin and CAPE. The standardised ethanolic extract of IP (EEIP) was screened for in vitro cytotoxicity using sulforhodamine B (SRB) assay, in vivo anti-carcinogenic effect against Dalton's Lymphoma ascites (DLA) cells, hemolytic effect and pesticide analysis. RESULTS: The EEIP was found to contain more amount of total flavonoids (23.61+ 0.0452 mg equivalent of quercetin/g), total polyphenolics (34.82 + 0.0785 mg equivalent of gallic acid/g) and all selected markers except caffeic acid compared to all other extracts. EEIP showed better anti-cancer potential than CAPE on MCF-7 and HT-29 cell line and significant (p < 0.01) in vivo anti carcinogenic effects against DLA in comparison with 5-fluorouracil. EEIP was found to be non-hemolytic. CONCLUSION: From in vitro cytotoxicity, in vivo anti carcinogenicity and biosafety studies it can be concluded that the standardized EEIP is safe and can be considered for further development as a biomedicine. PMID- 29217340 TI - SUPERA stent outcomes in Above-The-Knee IntervEntions: Effects of COMPression and ELongation (SAKE-COMPEL) Sub-study. AB - INTRODUCTION: The interwoven nitinol design of the Supera stent has been shown to have superior radial strength and fracture resistance resulting in higher patency rates at 6 and 12months. A detailed sub-analysis of SUPERB trial showed differences in patency based on stent conformation post deployment. We evaluated the patency of the stent within the SAKE study cohort based on stent deployment conformation. METHODS: We retrospectively evaluated the medical records of 63 patients (77 limbs) with Rutherford class 2-5 symptoms who received Supera stents in the femoro-popliteal artery from March 2010 through May 2011 as part of the SAKE study. These patients were followed for patency and the need for re intervention over a mean follow up of 15months. Compression or Elongation was defined as follows based on previous sub-analyses: Moderate Compression (-40 to 21%); Minimal Compression (-20 to -11%); Nominal (-10 to 10%); Minimal Elongation (11 to 20%); Moderate Elongation (21 to 40%); and Severe Elongation (>40%). Significance was determined using Chi X2 test. RESULTS: The best patency rates (85.2% primary patency and 92.6% assisted primary patency) and lowest re intervention rates (14.8%) were achieved with stent compression, followed by nominal deployment or minimal elongation, and worst outcomes (64.7% primary patency; 82.3% assisted primary patency; and 35.3% re-intervention) with stent elongation to moderate or severe degree. CONCLUSIONS: Patency rates and re intervention rates are variable based on deployment characteristics of the Supera stent. Best outcomes are achieved with compression of the stent during deployment. PMID- 29217341 TI - Coronary artery disease reporting and data system (CAD-RADSTM): Inter-observer agreement for assessment categories and modifiers. AB - BACKGROUND: The Coronary Artery Disease Reporting and Data System (CAD-RADS) provides a lexicon and standardized reporting system for coronary CT angiography. OBJECTIVES: To evaluate inter-observer agreement of the CAD-RADS among an panel of early career and expert readers. METHODS: Four early career and four expert cardiac imaging readers prospectively and independently evaluated 50 coronary CT angiography cases using the CAD-RADS lexicon. All readers assessed image quality using a five-point Likert scale, with mean Likert score >=4 designating high image quality, and <4 designating moderate/low image quality. All readers were blinded to medical history and invasive coronary angiography findings. Inter observer agreement for CAD-RADS assessment categories and modifiers were assessed using intra-class correlation (ICC) and Fleiss' Kappa (kappa).The impact of reader experience and image quality on inter-observer agreement was also examined. RESULTS: Inter-observer agreement for CAD-RADS assessment categories was excellent (ICC 0.958, 95% CI 0.938-0.974, p < 0.0001). Agreement among expert readers (ICC 0.925, 95% CI 0.884-0.954) was marginally stronger than for early career readers (ICC 0.904, 95% CI 0.852-0.941), both p < 0.0001. High image quality was associated with stronger agreement than moderate image quality (ICC 0.944, 95% CI 0.886-0.974 vs. ICC 0.887, 95% CI 0.775-0.95, both p < 0.0001). While excellent inter-observer agreement was observed for modifiers S (stent) and G (bypass graft) (both kappa = 1.0), only fair agreement (kappa = 0.40) was observed for modifier V (high risk plaque). CONCLUSION: Inter-observer reproducibility of CAD-RADS assessment categories and modifiers is excellent, except for high-risk plaque (modifier V) which demonstrates fair agreement. These results suggest CAD-RADS is feasible for clinical implementation. PMID- 29217342 TI - Cinematic rendering of cardiac CT volumetric data: Principles and initial observations. AB - BACKGROUND: Cinematic rendering (CR) a new method of 3D computed tomography (CT) volumetric visualization that produces photorealistic images. As with traditional 3D visualization methods, CR may prove to be of value in providing important information when evaluating regions of complex anatomy such as the heart. METHODS: The gated, IV contrast-enhanced chest CT angiogram data from three recent patients were evaluated with CR. Image comparision demonstrates the difference between CR and traditional volume rendering (VR), owing to a more complex lighting model that enhances surface detail and produces realistic shadows to add depth to 3D visualizations. RESULTS: Representative examples of normal cardiac anatomy, a coronary artery stenosis, and an intracardiac malignant neoplasm are presented with 2D multiplanar reconstruction, traditional VR and CR. A potential pitfall in CR utilization, namely the possibility of obscuring important pathology, is demonstrated and discussed. CONCLUSIONS: CR is a promising method to enhance display volumetric CT data and should prove useful in diagnosis, treatment planning, surgical navigation, trainee education, and patient engagement. However, further study is needed to establish the advantaged and disadvantages of CR in comparison to other 3D methods. PMID- 29217344 TI - Factors associated with in-hospital mortality among critically ill surgical patients with multidrug-resistant Gram-negative infections: Methodological issues. PMID- 29217343 TI - Patent foramen ovale in patients with pulmonary embolism: A prognostic factor on CT pulmonary angiography? AB - BACKGROUND: Patent foramen ovale (PFO) in patients with acute pulmonary embolism (PE) represents a risk factor for mortality, but this has not been evaluated for CT pulmonary angiography (CTPA). The purpose of the present study was to assess the relationship between PFO and mortality in patients with acute PE diagnosed on CTPA. MATERIALS AND METHODS: This retrospective study included 268 adults [173 women, mean age 61 (range 22-98) years] diagnosed with acute PE on non-ECG-gated 64-slice CTPA in 2012 at our medical center. The images were reviewed for PFO by a panel of cardiothoracic radiologists with an average of 11 years of experience (range 1-25 years). CT signs of right heart strain and PE level were noted. Transthoracic echocardiograms (TTE), when available (n = 207), were reviewed for PFO by a cardiologist with subspecialty training in advanced imaging and with 3 years of experience. The main outcome was 30-day mortality. Fischer's exact test was utilized to compare mortality. RESULTS: PFO prevalence on CTPA was 22% (58/268) and 4% (9/207) on TTE. Overall 30-day mortality was 6% (16/268), 9% (5/58) for patients with PFO and 5% (11/210) for those without (p = 0.35). CT signs of right heart strain trended with higher mortality, but statistically significant only for hepatic vein contrast reflux [14% (6/44) vs 4% (10/224), p = 0.03]; right ventricular (RV) to left ventricular (LV) diameter ratio >1 [8% (13/156) vs RV:LV <= 1 3% (3/112), p = 0.07], septal bowing [10% (4/42) vs without 5% (12/226), p = 0.30]. CONCLUSION: PFO was demonstrated on CTPA in a proportion similar to the known population prevalence, while routine TTE was less sensitive. Mortality was non-significantly higher in patients with acute PE and PFO in this moderate-sized study. A larger study to answer this clinically important question is worthwhile. PMID- 29217345 TI - Severe community-acquired Capnocytophaga leadbetteri pneumonia in a HIV-infected patient. PMID- 29217346 TI - Hydrochlorothiazide use and risk of nonmelanoma skin cancer: A nationwide case control study from Denmark. AB - BACKGROUND: Hydrochlorothiazide, one of the most frequently used diuretic and antihypertensive drugs in the United States and Western Europe, is photosensitizing and has previously been linked to lip cancer. OBJECTIVE: To examine the association between hydrochlorothiazide use and the risk of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). METHODS: From the Danish Cancer Registry, we identified patients (cases) with nonmelanoma skin cancer (NMSC) during 2004-2012. Controls were matched 1:20 by age and sex. Cumulative hydrochlorothiazide use (in 1995-2012) was assessed from the Danish Prescription Registry. Using conditional logistic regression, we calculated odds ratios (ORs) for BCC and SCC associated with hydrochlorothiazide use. RESULTS: High use of hydrochlorothiazide (>=50,000 mg) was associated with ORs of 1.29 (95% confidence interval [CI], 1.23-1.35) for BCC and 3.98 (95% CI, 3.68-4.31) for SCC. We found clear dose-response relationships between hydrochlorothiazide use and both BCC and SCC; the highest cumulative dose category (>=200,000 mg of HCTZ) had ORs of 1.54 (95% CI, 1.38-1.71) and 7.38 (95% CI, 6.32-8.60) for BCC and SCC, respectively. Use of other diuretics and antihypertensives was not associated with NMSC. LIMITATIONS: No data on sun exposure were available. CONCLUSIONS: Hydrochlorothiazide use is associated with a substantially increased risk of NMSC, especially SCC. PMID- 29217347 TI - Risky business: Adjusting the pressure of the artificial urinary sphincter reservoir. PMID- 29217348 TI - Urethral pressure controlled balloon refilling or balloon change for artificial sphincter secondary procedure? AB - OBJECTIVES: To report our experience of inflating or changing pressure balloon to treat recurrent urinary incontinence after AMS800(r) implantation instead of changing all the devices. PATIENTS AND METHODS: A retrospective study was conducted in a tertiary reference center between 2005 and 2015. All patients, treated by AMS800(r) implantation for post-prostatectomy urinary incontinence and whom balloon was subsequently changed or inflated, were included. Main clinical end point was the need for another surgery. Secondary end points were urethral erosion, infection, and efficacy on pad test and pad use. RESULTS: Thirty-one patients were included. All had had a 61-70cm H20 balloon implanted, with a single cuff (13 with transcorporeal placement). Twenty-one patients had their balloon changed for a 71-80cm H20 type, while 10 patients had their balloon refilled (median 3mL [range 2-7]). Median follow-up was 23 months (range 1-129). Overall rate of another subsequent surgery was 48.3% (n=15). Erosion and atrophy occurred more frequently after balloon repressurizing than after balloon replacement (80% vs 33%, P=0.024). At last follow-up, median pad use was higher in repressurizing group (2 vs 1, P=0.033). CONCLUSION: Balloon repressurizing is associated with a higher erosion and reoperation rate than changing pressure balloon. Continence results seem better when PRB is changed. It could be an alternative instead of changing all devices in patients with frail urethra. LEVEL OF EVIDENCE: 4. PMID- 29217349 TI - Arthrodesis of the proximal interphalangeal joint of the 4th and 5th finger using an interlocking screw device to treat severe recurrence of Dupuytren's disease. AB - OBJECTIVE: To assess the radiological and functional outcome of arthrodesis of the 4th and 5th finger using the APEXTM (Extremity Medical, Parsippany,NJ)intermedullary interlocking screw system in patients with severe recurrence of Dupuytren's disease. MATERIAL AND METHOD: The DASH questionnaire and the VAS scale were used to assess the clinical outcomes. The angle of arthrodesis, fusion time and implant fixation were evaluated on x-rays. The patients were monitored for complications during surgery and the follow-up period. RESULTS: The sample comprised 6 patients. Mean follow up was 19.6 months. All of the patients presented clinical and radiological evidence of fusion at 8 weeks, with fusion angles of 30 degrees (3) and 45 degrees (3). There were no complications and none of the implants had to be removed. The functional outcomes in these patients were poor. CONCLUSION: The system offers a reliable method for IPJ arthrodesis at a precise angle. It promotes stable fixation that does not require prolonged immobilisation. It can be used together with other procedures on the hand with severe recurrence of DD. The functional outcomes for this group of patients using this device were poor. PMID- 29217350 TI - Clinical factors that affect perceived quality of life in arthroscopic reconstruction for acromioclavicular joint dislocation. AB - OBJECTIVE: To analyse the results of arthroscopic repair of acromioclavicular dislocation in terms of health-related quality of life. MATERIAL AND METHOD: Prospective study of patients with acromioclavicular dislocation Rockwood grade iii-v, treated arthroscopically with a mean follow up of 25.4 months. The demographics of the series were recorded and evaluations were performed preoperatively, at 3 months and 2 years with validated questionnaires as Short Form-36 Health Survey (SF-36), visual analogue scale (VAS), The Disabilities of the Arm, Shoulder and Hand (DASH), Constant-Murley Shoulder Outcome Score (Constant) and Walch-Duplay Score (WD). RESULTS: Twenty patients, 17 men and 3 women with a mean age of 36.1 years, were analysed. According to the classification of Rockwood, 3 patients were grade iii, 3 grade iv and 14 grade v. Functional and clinical improvement was detected in all clinical tests (SF-36, VAS and DASH) at 3 months and 2 years follow up (P<.001). The final Constant score was 95.3+/-2.4 and the WD was 1.8+/-0.62. It was not found that the health related quality of life was affected by any variable studied except the evolution of DASH. CONCLUSIONS: The health-related quality of life (assessed by SF-36) in patients undergoing arthroscopic repair of acromioclavicular joint dislocation grades iii-v was not influenced by gender, age, grade, displacement, handedness, evolution of the VAS, scoring of the Constant or by the WD. However, it is correlated with the evolution in the DASH score. PMID- 29217351 TI - Endophthalmitis: Then and Now. AB - PURPOSE: To report historically evolving strategies (then and now) in prevention and management of endophthalmitis. DESIGN: A perspective on relevant topics in the prophylaxis and management of endophthalmitis. METHODS: This is an author selected review of studies leading to changes in strategies for endophthalmitis management over the last 100 years. RESULTS: The current perspective discusses the trends and strategies over the past century. Historically, 3 endophthalmitis time-periods have existed and include the pre-antimicrobial era, the predominantly systemic antimicrobial era, and the current intravitreal antimicrobial era. The management of endophthalmitis from different etiologies, including endogenous, postinjection, post-cataract surgery, and other anterior segment-related (eg, post-penetrating keratoplasty), bleb-associated, glaucoma drainage device-associated, and open globe injury-associated, are discussed. Specific etiologies may predict most common microbial causes and may guide differing management strategies. Pars plana vitrectomy offers theoretical advantages but is generally reserved for patients with more advanced disease. CONCLUSIONS: Despite advances over the past 100 years, endophthalmitis is an important sight-threatening complication. Timely management with the appropriate use of antimicrobial agents may optimize visual outcomes. PMID- 29217352 TI - Relationship between individual categories of adverse childhood experience and diabetes in adulthood in a sample of US adults: Does it differ by gender? AB - AIMS: ACEs are known to increase risk for diabetes in adulthood. However, little is known about the differential impact of individual ACE categories on diabetes risk, and whether this relationship is gender specific. METHODS: Data from the 2011 BRFSS was used in this study. Participants included 48,526 adults who completed the ACE module across 5 states. Using logistic regression, we examined the odds of diabetes in adulthood related to eight individual categories of ACEs: sexual abuse, physical abuse, verbal abuse, mental illness, substance abuse, incarceration, separation/divorce, and violence. A gender interaction term was included to test if this relationship varied between men and women. RESULTS: In adjusted analyses, sexual abuse (OR 1.57, CI 1.240; 1.995) had the strongest positive association followed by verbal (OR 1.29, CI 1.117; 1.484) and physical abuse (OR 1.26, CI 1.040; 1.516). Having a parent with mental illness was also significantly associated with increased odds of diabetes (OR 1.19, CI 0.996; 1.416). No interaction between ACEs and diabetes status by gender in any of the eight categories was found. CONCLUSIONS: Overall, this study found that four ACE categories were significantly associated with increased odds of diabetes in adulthood with sexual abuse being the strongest predictor. PMID- 29217353 TI - Policy on Posthumous Sperm Retrieval: Survey of 75 Major Academic Medical Centers. AB - OBJECTIVE: To evaluate the presence and content of policies on posthumous sperm retrieval at 75 major academic medical centers in the U.S. MATERIALS AND METHODS: We surveyed the top 75 major academic medical centers ranked for research in 2016 by U.S. News & World Report using a questionnaire-based telephone/web survey. We gathered data on the presence and content of posthumous sperm retrieval policies on the Internet. If not published, we contacted the legal counsel, the ethics and compliance offices, the urology department, as well as the infertility treatment center associated with each institution. In addition, we also surveyed members of the Society for Male Reproduction and Urology. RESULTS: We gathered data regarding posthumous sperm retrieval from 41 out of the 75 major academic medical centers. Of the 41 institutions, only 11 (26.8%) had policies regarding posthumous sperm retrieval. Out of those 11 centers, 4 required prior written consent, whereas the remaining 6 allowed for verbal or inferred consent from the surviving life partner. One policy prohibited the procedure. Five of the policies in this survey included a bereavement period. Of the 30 (73.2%) centers without policies, lack of legal guidance was cited as the most common barrier to policy adoption. CONCLUSION: Only a small proportion of major academic medical centers have policies on posthumous sperm retrieval. Medical centers can adopt individualized policies based on guidelines published by professional societies. PMID- 29217354 TI - Prostate Magnetic Resonance Imaging Provides Limited Incremental Value Over the Memorial Sloan Kettering Cancer Center Preradical Prostatectomy Nomogram. AB - OBJECTIVE: To examine the incremental value of prostate magnetic resonance imaging (MRI) when used in combination with the currently available preoperative risk stratification tool, the Memorial Sloan Kettering Cancer Center (MSKCC) preradical prostatectomy nomogram. MATERIALS AND METHODS: We reviewed our institutional database of prostate MRI performed before radical prostatectomy between December 2014 and March 2016 (n = 236). We generated a logistic regression model based on observed final pathology results and the MSKCC nomogram predictions for organ-confined disease, extracapsular extension (ECE), seminal vesicle invasion, and lymph node involvement (LNI) ("MSKCC only"). We then generated a combined regression model incorporating both the MSKCC nomogram prediction with the degree of prostate MRI suspicion ("MSKCC + MRI"). Receiver operating characteristic curves were generated, and the area under the curves (AUCs) were compared. RESULTS: When independently examining the MSKCC nomogram predicted risk and the degree of prostate MRI suspicion, MRI was a predictor for ECE (odds ratio 2.8, P <.01) and LNI (odds ratio 5.6, P = .01). When examining the "MSKCC + MRI" and "MSKCC only" models, the incremental benefit in risk discrimination from the combined model ("MSKCC + MRI") was not significant for organ-confined disease, ECE, seminal vesicle invasion, or LNI (DeltaAUC +0.03, P = .10; DeltaAUC +0.03, P = .08; DeltaAUC 0.63, P = .63; DeltaAUC +0.04, P = .42; respectively). CONCLUSION: A combined model with prostate MRI and the MSKCC nomogram provides no additional risk discrimination over the MSKCC nomogram-based model alone. Evaluation of prostate MRI as a predictive tool should be performed in combination with, not independent of, these clinical risk stratification models. PMID- 29217355 TI - Crocetin attenuates spared nerve injury-induced neuropathic pain in mice. AB - Crocetin is the main component of saffron and exhibits anti-oxidative and anti inflammatory effects. Neuroinflammation and oxidative stress have been recognized to play a crucial role in the pathogenesis of neuropathic pain. We investigated the effect of crocetin in a mouse model with neuropathic pain induced by spared nerve injury (SNI). Crocetin was intrathecally perfused at various doses for up to 12 days starting 3 days before the surgery. Behavioral tests were performed to determine pain sensitivity. The concentrations of proinflammatory cytokines tumor necrosis factor (TNF-alpha) and interleukin-1beta (IL-1beta) were measured to assess neuroinflammation. In addition, the enzymatic activity of superoxide dismutase (SOD) was measured to reveal the oxidative stress level. We found that repeated treatment with crocetin dose-dependently attenuated mechanical and thermal allodynia in SNI mice. In addition, treatment with high dose of crocetin reduced SNI-induced increase of TNF-alpha and IL-1beta. Crocetin also restored the activity of mitochondrial MnSOD which was reduced in the sciatic nerve and the spinal cord of SNI mice. Collectively, our data demonstrate that crocetin effectively attenuates the neuropathic pain and significantly suppresses oxidative stress and neuroinflammation in the SNI mouse model, supporting the potential of crocetin in the treatment against neuropathic pain. PMID- 29217356 TI - Improved stratification of pT1 melanoma according to the 8th American Joint Committee on Cancer staging edition criteria: A Dutch population-based study. AB - INTRODUCTION: The 8th American Joint Committee on Cancer (AJCC) staging edition includes revisions regarding pT1 melanomas. We aimed to evaluate the expected impact of this edition on staging and survival in the Dutch pT1 melanoma population. METHODS: In total, 32,935 pT1 melanoma patients, whose data were retrieved from the Netherlands Cancer Registry between 2003 and 2015, were included in the study. Patients were stratified by the 6th AJCC edition (cohort 1: 2003-2009) and 7th edition (cohort 2: 2010-2015) and all reclassified according to the 8th edition. Stage migration, sentinel lymph node biopsy (SLNB) positivity rates and relative survival were analysed. Agreement between staging systems was calculated by Cohen's kappa coefficient. RESULTS: In cohort 2, restaging according to the 8th edition led to an increase of 7% in the total number of patients staged pT1b. The kappa score for agreement between the 6th and 8th edition was 0.15 and 0.25 for agreement between 7th and 8th edition. Restaging according to the 8th edition resulted in a higher SLNB positivity rate for pT1b patients than pT1a patients (8% versus 5%, p = 0.08). Relative survival curves were predominantly similar between the staging editions. CONCLUSIONS: Implementation of the 8th AJCC staging edition will presumably not have major impact on the total number of Dutch pT1b patients. Consequently, the number of patients eligible for SLNB would roughly remain similar. In terms of SLNB positivity, the selection of high-risk pT1 melanoma patients is likely to improve. In addition, the 8th edition criteria for pT1 melanoma seem more workable for pathologists. PMID- 29217357 TI - Tempol prevents post-traumatic stress disorder induced memory impairment. AB - Post-traumatic stress disorder (PTSD) is a mental health disorder that can develop after a terrifying or life threatening event. Multiple symptoms are noticed in patients with PTSD including cognitive impairment, which was shown to be is associated with oxidative stress. Tempol is a highly efficient membrane permeable antioxidant. In this study, we investigated the possible protective effect of tempol on PTSD-induced memory impairment. To test this hypothesis, we used single prolonged stress (SPS) model (2h restrain, 20min forced swimming, 15min rest, and 1-2min diethyl ether exposure) as a model of PTSD. Rats were randomly assigned into four groups: control (provided distilled water), tempol (provided tempol; 80mg/kg/day by oral gavage for 4weeks), SPS (exposed to prolonged stress and administered distilled water) and tempol/SPS (exposed to prolonged stress and administered tempol for 4weeks). We used radial arm water maze to test spatial learning and memory functions and enzyme-linked immunosorbant assay (ELISA) to measure levels of oxidative stress biomarkers in the hippocampus. Results showed that SPS model of PTSD impaired both short and long-term memories (P<0.05), and chronic tempol administration prevented such effect. Tempol also prevented decreases in hippocampal catalase, and SOD activities, GSH/GSSG ratio and increases TBARS levels, which were all impaired by SPS model of PTSD (P<0.05). In conclusion, we suggest a protective effect of tempol administration against SPS model of PTSD-induced short- and long- term memory impairment, and we believe that this protective effect of tempol is accomplished, at least partly, through prevention of alternation in oxidative stress in the hippocampus. PMID- 29217358 TI - Lack of agreement between objective and subjective measures in the evaluation of masticatory function: A preliminary study. AB - The evaluation of mastication is important to understand the masticatory behavior and diagnose feeding difficulties. The objective of this preliminary study was to verify if there is agreement between objective and subjective validated methods of chewing evaluation in a convenience sample which consisted of 32 adolescents (mean 15.5years), complete permanent dentition and free of tooth decay. The Quality of Masticatory Function Questionnaire with the Food-Mastication, Habits, Meat, Fruit and Vegetables domains was used in the subjective evaluation. The objective aspects consisted of maximum bite force (BF) and masticatory performance (MP) by mastication of cubes of test-material and sieving to determine the median particle size (X50) and distribution in the sieves ("b"), and by the colorimetric method using colorchangeable chewing gum. Data were submitted to exploratory analysis, normality test and correlation tests (Pearson/Spearman). The correlation between BF and X50 (r=-0.43; p=0.02) and between BF and MP chewing gum (r=0.53; p=0.002) was significant with large effect size. The MP evaluated by chewing gum correlated with X50 (r=-0.34; p=0.055), but not with "b" (r=-0.06; p=0.73), while "b" correlated only with X50 (r=0.52, p=0.002). No significant correlation was observed between the objective measures and the total score of the subjective evaluation; only a negative correlation was observed between "b" and Meat domain (r=-0.40; p=0.023). The objective methods showed moderate correlation with each other and no agreement between the objective and subjective methods was observed in this sample of healthy adolescents, emphasizing the importance of both aspects in the evaluation of masticatory function. PMID- 29217359 TI - Impact of tumor size on the prognosis of hepatocellular carcinoma in patients who underwent liver resection. AB - BACKGROUND: Health burdens of hepatocellular carcinoma (HCC) are emerging quickly in the world, including in Taiwan. Surgical resection has been recognized as the first-line treatment for early tumors. This study aimed to investigate the prognostic risk factors for mortality and recurrence rate in Taiwan, which has a high prevalence of chronic viral hepatitis. METHODS: A total of 397 HCC patients receiving tumor resection were consecutively examined in central Taiwan from 2008 to 2014. A hospital-based patient cohort was designed to collect serological markers to further assess liver function. We modified the Kaplan-Meier method according to the competing death risks for comparing recurrence and used multivariate Cox proportional hazard regression to adjust for significant risk factors. RESULTS: In addition to advanced fibrosis, tumor size >=5 cm was significantly associated with higher mortality within the 5-year period when compared with <5 cm (43.3% vs. 13.2%, p < 0.0001). Patients with tumor size >=5 cm also easily progressed to early recurrence within two years when accounting for death as a competing risk (20.1% vs. 10.1%, p = 0.01). Higher AFP levels played a major role in further predicting higher mortality in those patients. We determined that there were a 4.5-fold and 2.2-fold higher mortalities in patients with size >=5 cm/AFP >=20 ng/mL and with size >=5 cm/AFP< 20 ng/mL, respectively, when compared to patients with small tumors. CONCLUSION: Tumor size >=5 cm might be a good predicting factor for death and early recurrence when considering death as a competing risk. PMID- 29217360 TI - Sonographic findings of painful hemiplegic shoulder after stroke. AB - BACKGROUND: Hemiplegic shoulder pain is common in stroke patients and can influence rehabilitation outcome. The underlying pathology can be various: in addition to impaired motor control and altered peripheral and central nervous activity, soft tissue lesions may also play an important role. It remains unclear how these pathologies may interact or correlate with each other. METHODS: This retrospective study collected data from 26 stroke patients who received sonography examination due to shoulder pain. Severity of soft tissue lesion over the shoulder joint was graded on the basis of the sonographic findings. The information regarding cognition, sensory function, spasticity (measured by the Modified Ashworth Scale) and the Brunnstrom stage of motor recovery was collected though medical chart review. This study examined the association between sonographic findings and the clinical findings. RESULT: This study showed that sonographic grading of painful hemiplegic shoulder is not statistically associated with impaired cognition and sensory function. (p value = 0.0587 and 0.9776, respectively) In addition, there is no correlation between sonographic grading and motor recovery in patients with hemiplegic shoulder pain. (Spearman's correlation coefficient = -0.0053, p value = 0.9796) Neither is there any statistically significant correlation between sonographic grading and the degree of spasticity. (Spearman's correlation coefficient = -0.0311, p value = 0.8801). CONCLUSION: The results of this study suggests that the mechanism through which soft tissue lesions causes hemiplegic shoulder pain may be independent of the mechanisms through which changes of muscle tone and nervous activity causes shoulder pain. PMID- 29217361 TI - Major Adipokines and the -420C>G Resistin Gene Polymorphism as Predictors of Acute Ischemic Stroke Severity and In-Hospital Outcome. AB - BACKGROUND: The role of adiponectin, leptin, and resistin and the -420C>G polymorphism of the resistin gene promoter in the pathogenesis of ischemic stroke are controversial. We aimed to evaluate whether serum levels of these adipokines and the -420C>G polymorphism are associated with ischemic stroke severity and in hospital outcome. METHODS: We prospectively studied 93 patients who were consecutively hospitalized for acute ischemic stroke (39.8% males, age 79.7 +/- 6.3 years). Stroke severity was evaluated at admission by the National Institutes of Health Stroke Scale (NIHSS). In-hospital outcome was evaluated by dependency rates at discharge and in-hospital mortality. RESULTS: The G allele was more prevalent in patients with severe stroke (P < .05). Independent predictors of severe stroke were high-sensitivity C-reactive protein levels (relative risk [RR] 1.43, 95% confidence interval [CI] 1.08-1.91, P < .05). Patients with dependency at discharge had lower serum leptin levels (P < .05). Independent predictors of functional dependence were prior ischemic stroke (RR 7.55, 95% CI 1.69-33.58, P < .01), serum triglyceride levels (RR .98, 95% CI .96-0.99, P < .05), and NIHSS at admission (RR 1.47, 95% CI 1.17-1.84, P < .001). The G allele was more prevalent in patients who died (P < .05). Independent predictors of in-hospital mortality were systolic blood pressure (RR 1.09, 95% CI 1.01-1.19, P < .05) and NIHSS at admission (RR 1.26, 95% CI 1.08-1.48, P < .005). CONCLUSIONS: The G allele of the -420C>G polymorphism of the resistin gene promoter appears to be associated with more severe stroke and higher in-hospital mortality in patients with acute ischemic stroke. Higher leptin levels appear to be related to favorable functional outcome. PMID- 29217362 TI - Rethinking Prehospital Stroke Notification: Assessing Utility of Emergency Medical Services Impression and Cincinnati Prehospital Stroke Scale. AB - BACKGROUND AND PURPOSE: Although prehospital stroke notification has improved stroke treatment, incorporation of these systems into existing infrastructure has resulted in new challenges. The goal of our study was to design an effective prehospital notification system that allows for early and accurate identification of patients presenting with acute stroke. METHODS: We conducted a retrospective single-center cohort study of patients presenting with suspicion of acute stroke from 2014 to 2015. Data recorded included patient demographics, time of symptom onset, Cincinnati Prehospital Stroke Scale (CPSS) score, Glasgow Coma Scale score, National Institutes of Health Stroke Scale (NIHSS) score, emergency medical services (EMS) impression, acute stroke pager activation, acute intervention, and discharge diagnosis. Univariate logistic regression was performed with discharge diagnosis of stroke as the end point. RESULTS: A total of 130 patients were included in the analysis; 96 patients were discharged with a diagnosis of stroke or transient ischemic attack. Both NIHSS and the presence of face, arm and speech abnormalities on CPSS were significantly higher in patients with stroke (P < .05). EMS correctly recognized stroke in 77.1% of cases but falsely identified stroke in 85.3% of negative cases. CPSS identified 75% of acute stroke cases, but specificity was poor at only 20.6%. All patients receiving intervention had acute stroke pager activation in Emergency Department. CONCLUSIONS: Prehospital stroke notification systems utilizing EMS impressions and stroke screening tools are sensitive but lack appropriate specificity required for modern acute stroke systems of care. Better solutions must be explored so that prehospital notification can keep pace with advances in acute stroke treatment. PMID- 29217363 TI - Positional Brain Single-Photon Emission Computed Tomography Findings in a Case of Limb-Shaking Syndrome. AB - An 84-year-old man, who presented lower limbs limb-shaking syndrome at orthostatism lasting a few seconds, was referred in our stroke unit. Magnetic resonance imaging showed an acute infarction in the right thalamus and the insular cortex, left extracranial carotid stenosis at 80%, and low flow in the right middle cerebral artery but did not explain limb-shaking syndrome symptomatology. We performed comparative positional brain perfusion single-photon emission computed tomography (SPECT), in the upright and in the supine position, to explore and localize hypoperfusion-endangered brain structures that may be involved in the presenting symptoms. Brain perfusion SPECT showed deep hypoperfusion in bilateral carotid territories in the upright position in favor of a hemodynamic mechanism, on which blood pressure was maintained higher to avoid hypoperfusion and the patient remained supine for a longer period of time than in the usual support. Late postoperative brain perfusion SPECT after left endarterectomy did not show significant abnormalities. Limb-shaking syndrome may be related to a transient decrease in blood pressure and cerebral blood flow caused by postural changes. Positional brain perfusion SPECT seems to be helpful to improve clinical care. Positional brain perfusion SPECT should be discussed in the acute phase of stroke and if there are involuntary movements. PMID- 29217364 TI - Collaterals Predict Outcome Regardless of Time Last Known Normal. AB - BACKGROUND AND PURPOSE: Recent studies suggest that patients with large-vessel ischemic strokes (large-vessel occlusion [LVO]) with favorable imaging may benefit from mechanical thrombolysis even when treated outside the standard 6 hour window. However, many patients in these studies presented with unknown times of onset. We compare outcomes in thrombectomy patients treated at less than versus greater than 6 hours from last known well (LKN), and evaluate whether "unknown time of onset" alters prognosis. METHODS: We retrospectively reviewed patients at 2 comprehensive stroke centers. Student's t and chi-square tests evaluated the association between predetermined clinical and radiographic variables, including unknown time of onset, and outcome (discharge and follow-up National Institutes of Health Stroke Scale score and modified Rankin Scale [mRS] score) for LVOs treated after greater than 6 hours versus 6 hours or less from LKN. Multivariable logistic regression was used to determine the odds of good outcome (mRS score 0-2). RESULTS: A total of 113 patients were treated over 2 years; 31 were treated at greater than 6 hours. Those who were treated at greater than 6 hours and experienced poor outcomes were more likely to have large-artery atherosclerosis (P = .033). There was no difference in outcome for patients outside the window with known (39.1%) versus unknown (60.9%) time of onset. mRS scores at discharge were higher among those outside the window (odds ratio 3.78; 95% confidence interval 1.20-11.89) but not at follow-up. After multivariable regression, favorable collaterals alone were associated with a mRS score of 0-2. CONCLUSIONS: When imaging is favorable, the mRS score at follow-up is comparable regardless of time LKN. Functional outcomes appear to be driven most significantly by the presence of collaterals. PMID- 29217365 TI - Alberta Stroke Program Early CT Score-Time Score Predicts Outcome after Endovascular Therapy in Patients with Acute Ischemic Stroke: A Retrospective Single-Center Study. AB - BACKGROUND: Clinical outcomes after successful endovascular therapy in patients with acute ischemic stroke are associated with several factors including onset-to reperfusion time (ORT), the National Institute of Health Stroke Scale (NIHSS) score, and the Alberta Stroke Program Early CT Score (ASPECTS). The NIHSS-time score, calculated as follows: [NIHSS score] * [onset-to-treatment time (h)] or [NIHSS score] * [ORT (h)], has been reported to predict clinical outcomes after intravenous recombinant tissue plasminogen activator therapy and endovascular therapy for acute stroke. The objective of the current study was to assess whether the combination of the ASPECTS and the ORT can predict the outcomes after endovascular therapy. METHODS: The charts of 117 consecutive ischemic stroke patients with successful reperfusion after endovascular therapy were retrospectively reviewed. We analyzed the association of ORT, ASPECTS, and ASPECTS-time score with clinical outcome. ASPECTS-time score was calculated as follows: [11 - ASPECTS] * [ORT (h)]. RESULTS: Rates of good outcome for patients with ASPECTS-time scores of tertile values, scores 5.67 or less, scores greater than 5.67 to 10.40 or less, and scores greater than 10.40, were 66.7%, 56.4%, and 33.3%, respectively (P < .05). Ordinal logistic regression analysis showed that the ASPECTS-time score (per category increase) was an independent predictor for better outcome (common odds ratio: .374; 95% confidence interval: .150-0.930; P < .05). CONCLUSIONS: A lower ASPECTS-time score may predict better clinical outcomes after endovascular treatment. PMID- 29217366 TI - Initially Missed or Delayed Diagnosis of Subarachnoid Hemorrhage: A Nationwide Survey of Contributing Factors and Outcomes in Japan. AB - BACKGROUND: Subarachnoid hemorrhage (SAH) remains a significant cause of mortality in Japan. The Japan Stroke Society set out to conduct a nationwide survey to identify contributing factors and outcomes of SAH misdiagnosis. METHODS: We initially surveyed 737 training institutes and 1259 departments in Japan between April 2012 and March 2014 for the presence of misdiagnosed SAH. Clinical information was then sought from respondents with a positive misdiagnosis. Information on 579 misdiagnosed cases was collected. RESULTS: Most initial misdiagnoses occurred in nonteaching hospitals (72%). Of those presenting with headache, 55% did not undergo a computed tomography (CT) scan. In addition, SAH was missed in the patients who underwent CT scans. The clinically diagnosed rerupture rate was 27%. Mortality among all cases was 11%. Institutes achieving a final diagnosis were staffed by neurologists or neurosurgeons. Multivariate logistic regression analysis indicated that age (>=65), consciousness level (Japan Coma Scale score at correct diagnosis), rerupture of an aneurysm, and no treatment by clipping or coiling were significantly associated with poor clinical outcome. CONCLUSIONS: The prognosis of misdiagnosis of SAH is severe. Neuroradiological assessment and correct diagnosis can prevent SAH misdiagnosis. When there is a possible diagnosis of SAH, consultation with a specialist is important. PMID- 29217367 TI - Response to the comments on "Direct quantitative measurement of the kinetics of HLA-specific antibody interactions with isolated HLA proteins". PMID- 29217368 TI - HLA-G, -A haplotypes in Amerindians (Ecuador): HLA-G*01:05N World distribution. AB - HLA-G and HLA-A frequencies have been analysed in Amerindians from Ecuador. HLA-G allele frequencies are found to be closer to those of other Amerindians (Mayas from Guatemala and Uros from Peru) and closer to European ones than to Far East Asians groups, particularly, regarding to HLA-G*01:04 allele. HLA-G/-A haplotypes have been calculated for the first time in Amerindians. It is remarkable that HLA G*01:05N "null" allele is found in a very low frequency (like in Amerindian Mayas and Uros) and is also found in haplotypes belonging to the HLA-A19 group of alleles (HLA-A*30, -A*31, -A*33). It was previously postulated that HLA-G*01:05N appeared in HLA-A*30/-B*13 haplotypes in Middle East Mediterraneans. It may be hypothesized that in Evolution, HLA-G*01:05N existed primarily in one of the HLA extant or extinct -A19 haplotype, whether this haplotype was placed in Middle East or other World areas, including America. However, the highest present day HLA-G*01:05N frequencies are found in Middle East Mediterraneans. PMID- 29217370 TI - A quality improvement initiative to increase Tdap (tetanus, diphtheria, acellular pertussis) vaccination coverage among direct health care providers at a children's hospital. AB - OBJECTIVES: Health care providers (HCP) are at high risk of acquiring and transmitting pertussis to susceptible family members, co-workers, and patients. Public health authorities recommend administering a single dose of Tdap (tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis) vaccine to all adults, including HCP, to increase adult immunity to pertussis. We set a quality improvement goal to increase Tdap vaccination coverage among HCP who provided direct patient care at a children's hospital from 58% to 90% over 18 months. DESIGN: A multidisciplinary working group comprised of Occupational Health Program (OHP) staff and representatives of various medical services drew from a variety of qualitative methods and previous studies of vaccination programs in the healthcare system to understand barriers to Tdap vaccination within the institution and to develop interventions to increase vaccination rates. INTERVENTIONS: Interventions included changes to OHP processes, a general education campaign, improved access to vaccine, and personal engagement of HCP by task force members. RESULTS: Overall vaccination rates increased to 90% over 15 months, a rate that has been sustained by systematically assessing new employees' vaccination status and vaccinating those without documentation of previous Tdap vaccination. CONCLUSIONS: Tdap vaccination coverage in our institution was significantly increased by an intensive, multipronged educational campaign, and by improving processes of screening and vaccination of HCP. The use of direct engagement of vaccine hesitant populations to increase vaccination rates warrants further study. PMID- 29217369 TI - Influence of the intestinal microbiota on the immunogenicity of oral rotavirus vaccine given to infants in south India. AB - Oral rotavirus vaccines have consistently proven to be less immunogenic among infants in developing countries. Discrepancies in the intestinal microbiota, including a greater burden of enteropathogens and an altered commensal community composition, may contribute to this trend by inhibiting the replication of vaccine viruses. To test this possibility, we performed a nested case-control study in Vellore, India, in which we compared the intestinal microbiota of infants who responded serologically or not after two doses of Rotarix delivered at 6 and 10 weeks of age as part of a clinical trial (CTRI/2012/05/002677). The prevalence of 40 bacterial, viral, and eukaryotic pathogen targets was assessed in pre-vaccination stool samples from 325 infants using singleplex real-time PCR on a Taqman array card (TAC). In a subset of 170 infants, we assessed bacterial microbiota composition by sequencing the 16S rRNA gene V4 region. Contrary to expectations, responders were more likely than non-responders to harbor >=1 bacterial enteropathogen at dose 1 (26% [40/156] vs 13% [21/157] of infants with TAC results who completed the study per protocol; chi2, P = .006), although this was not apparent at dose 2 (24% [38/158] vs 23% [36/158]; P = .790). Rotavirus shedding after dose 1 was negatively correlated with the replication of co administered oral poliovirus vaccine (OPV). We observed no consistent differences in composition or diversity of the 16S bacterial microbiota according to serological response, although rotavirus shedding was associated with slightly more bacterial taxa pre-vaccination. Overall, our findings demonstrate an inhibitory effect of co-administered OPV on the first dose of Rotarix, consistent with previous studies, but in the context of OPV co-administration we did not find a strong association between other components of the intestinal microbiota at the time of vaccination and Rotarix immunogenicity. PMID- 29217371 TI - Reconstitution of the activity of RND efflux pumps: a "bottom-up" approach. AB - Efflux pumps are systems devoted to the extrusion of noxious compounds. In this review, we discuss the various strategies that have thus far been undertaken for the investigation of efflux pumps after reconstitution into liposomes. It is challenging to uncover mechanisms and dynamics of efflux pumps due to a number of characteristics: their function depends on the correct assembly of three components and they span two adjacent membranes whose lipid compositions are very different. In addition, efflux pumps are active transporters that need energy to work. We present possible lines of improvement for the study of such systems and provide insights into future goals and challenges of efflux pump reconstitution and transport. PMID- 29217372 TI - Acute peritoneal dialysis in neonatal intensive care unit: An 8-year experience of a referral hospital. AB - BACKGROUND: The aim of present study was to evaluate the indications, complications and outcomes of acute peritoneal dialysis (APD) in neonates at a referral university hospital during the previous 8 years. METHODS: This retrospective analysis included a total of 52 newborn infants who underwent APD in a neonatal intensive care unit between January 2008 and March 2016. Demographic, clinical, laboratory and microbiological data were extracted from patients' medical files. RESULTS: The primary causes for requiring APD were acute tubular necrosis (n = 36, 69.2%), inborn error of metabolism (n = 10, 19.2%), congenital nephrotic syndrome (n = 2, 3.9%), bilateral polycystic kidney (n = 2, 3.9%), renal agenesis (n = 1, 1.9%), and obstructive uropathy (n = 1, 1.9%). The mean duration of APD was 8.7 +/- 15.87 days (range: 1-90 days). Procedural complications were mainly hyperglycemia (n = 16, 47.1%), dialysate leakage (n = 7, 20.6%), peritonitis (n = 3, 8.8%), catheter obstruction (n = 3, 8.8%), bleeding at the time of catheter insertion (n = 2, 5.9%), catheter exit site infection (n = 2, 5.9%), and bowel perforation (n = 1 2.9%). There were 40 deaths (76.9%), mainly due to underlying causes. Ten of the 12 survivors showed full renal recovery, but mild chronic renal failure (n = 1) and proteinuria with hypertension were seen (n = 1) in each of remaining patients. CONCLUSION: Peritoneal dialysis is an effective route of renal replacement therapy in the neonatal period for management of metabolic disturbances as well as renal failure. Although major complications of the procedure are uncommon, these patients still have a high mortality rate due to serious nature of the underlying primary causes. PMID- 29217373 TI - Langerhans cell histiocytosis presenting like lichen planus in a 4-month-old infant. PMID- 29217374 TI - Modern contraceptive use, unmet need, and demand satisfied among women of reproductive age who are married or in a union in the focus countries of the Family Planning 2020 initiative: a systematic analysis using the Family Planning Estimation Tool. AB - BACKGROUND: The London Summit on Family Planning in 2012 inspired the Family Planning 2020 (FP2020) initiative and the 120*20 goal of having an additional 120 million women and adolescent girls become users of modern contraceptives in 69 of the world's poorest countries by the year 2020. Working towards achieving 120 * 20 is crucial for ultimately achieving the Sustainable Development Goals of universal access and satisfying demand for reproductive health. Thus, a performance assessment is required to determine countries' progress. METHODS: An updated version of the Family Planning Estimation Tool (FPET) was used to construct estimates and projections of the modern contraceptive prevalence rate (mCPR), unmet need for, and demand satisfied with modern methods of contraception among women of reproductive age who are married or in a union in the focus countries of the FP2020 initiative. We assessed current levels of family planning indicators and changes between 2012 and 2017. A counterfactual analysis was used to assess if recent levels of mCPR exceeded pre-FP2020 expectations. FINDINGS: In 2017, the mCPR among women of reproductive age who are married or in a union in the FP2020 focus countries was 45.7% (95% uncertainty interval [UI] 42.4-49.1), unmet need for modern methods was 21.6% (19.7-23.9), and the demand satisfied with modern methods was 67.9% (64.4-71.1). Between 2012 and 2017 the number of women of reproductive age who are married or in a union who use modern methods increased by 28.8 million (95% UI 5.8-52.5). At the regional level, Asia has seen the mCPR among women of reproductive age who are married or in a union grow from 51.0% (95% UI 48.5-53.4) to 51.8% (47.3-56.5) between 2012 and 2017, which is slow growth, particularly when compared with a change from 23.9% (22.9-25.0) to 28.5% (26.8-30.2) across Africa. At the country level, based on a counterfactual analysis, we found that 61% of the countries that have made a commitment to FP2020 exceeded pre-FP2020 expectations for modern contraceptive use. Country success stories include rapid increases in Kenya, Mozambique, Malawi, Lesotho, Sierra Leone, Liberia, and Chad relative to what was expected in 2012. INTERPRETATION: Whereas the estimate of additional users up to 2017 for women of reproductive age who are married or in a union would suggest that the 120 * 20 goal for all women is overly ambitious, the aggregate outcomes mask the diversity in progress at the country level. We identified countries with accelerated progress, that provide inspiration and guidance on how to increase the use of family planning and inform future efforts, especially in countries where progress has been poor. FUNDING: The Bill & Melinda Gates Foundation, through grant support to the University of Massachusetts Amherst and Avenir Health. PMID- 29217375 TI - Preliminary aggregate safety and immunogenicity results from three trials of a purified inactivated Zika virus vaccine candidate: phase 1, randomised, double blind, placebo-controlled clinical trials. AB - BACKGROUND: A safe, effective, and rapidly scalable vaccine against Zika virus infection is needed. We developed a purified formalin-inactivated Zika virus vaccine (ZPIV) candidate that showed protection in mice and non-human primates against viraemia after Zika virus challenge. Here we present the preliminary results in human beings. METHODS: We did three phase 1, placebo-controlled, double-blind trials of ZPIV with aluminium hydroxide adjuvant. In all three studies, healthy adults were randomly assigned by a computer-generated list to receive 5 MUg ZPIV or saline placebo, in a ratio of 4:1 at Walter Reed Army Institute of Research, Silver Spring, MD, USA, or of 5:1 at Saint Louis University, Saint Louis, MO, USA, and Beth Israel Deaconess Medical Center, Boston, MA, USA. Vaccinations were given intramuscularly on days 1 and 29. The primary objective was safety and immunogenicity of the ZPIV candidate. We recorded adverse events and Zika virus envelope microneutralisation titres up to day 57. These trials are registered at ClinicalTrials.gov, numbers NCT02963909, NCT02952833, and NCT02937233. FINDINGS: We enrolled 68 participants between Nov 7, 2016, and Jan 25, 2017. One was excluded and 67 participants received two injections of Zika vaccine (n=55) or placebo (n=12). The vaccine caused only mild to moderate adverse events. The most frequent local effects were pain (n=40 [60%]) or tenderness (n=32 [47%]) at the injection site, and the most frequent systemic reactogenic events were fatigue (29 [43%]), headache (26 [39%]), and malaise (15 [22%]). By day 57, 52 (92%) of vaccine recipients had seroconverted (microneutralisation titre >=1:10), with peak geometric mean titres seen at day 43 and exceeding protective thresholds seen in animal studies. INTERPRETATION: The ZPIV candidate was well tolerated and elicited robust neutralising antibody titres in healthy adults. FUNDING: Departments of the Army and Defense and National Institute of Allergy and Infectious Diseases. PMID- 29217377 TI - Tradition and innovation in development of a Zika vaccine. PMID- 29217378 TI - Serological evidence of Bovine herpesvirus-1, Bovine Viral Diarrhea virus and Schmallenberg virus infections in relation to reproductive disorders in dairy cattle in Ethiopia. AB - Reproductive disorders in dairy cattle have been noted to be common in urban and peri-urban dairy production system in Ethiopia. The available reports on the causes of these disorders, however, are not conclusive. A case-control study was designed to investigate the possible association of major reproductive disorders in dairy cattle with exposure status to bovine herpesvirus-1 (BHV-1), bovine viral diarrhea virus (BVDV) and Schmallenberg virus (SBV). Cows with history of abortion/stillbirth were considered as cases (n=204) while, those cows with no such history were taken as control (n=359). The serological screening tests used for all the three viruses were blocking enzyme linked immunosorbent assays (B ELISAs). Of the total 563 samples tested 58.4%, 43.8% and 32.9% were positive for SBV, BHV-1 and BVDV, respectively. Significant difference between cases and controls were noted for SBV (p=0.026) and BHV-1 exposures (p<0.001). The difference noted for BVDV serostatus was not significant (p>0.05). The highest proportion (28.9%) of concurrent exposures was noted for BHV-1 and SBV, followed by SBV and BVDV (21.5%) and BHV-1 and BVDV (20.2%). Evidence of exposures to all the three viruses were detected in 14.4% of the animals. However, significant difference between cases (39.7%) and controls (22.9%) among cattle with multiple sero-positivity was noted only for BHV-1 and SBV (p<0.001). Proportion of uterine infection (p=0.002) and fetal membrane retention (p=0.005) increased in BHV-1 seropositive animals, while repeat breeding was common (p=0.034) among BVDV exposed ones. Seropositive animals to any of the three viruses were detected in all sampled areas and the proportion of cattle with BHV-1 and SBV exposure history had a higher risk to at least one type of the reproductive disorders mentioned compared to the corresponding sero-negative groups. PMID- 29217376 TI - Safety, tolerability, and immunogenicity of two Zika virus DNA vaccine candidates in healthy adults: randomised, open-label, phase 1 clinical trials. AB - BACKGROUND: The Zika virus epidemic and associated congenital infections have prompted rapid vaccine development. We assessed two new DNA vaccines expressing premembrane and envelope Zika virus structural proteins. METHODS: We did two phase 1, randomised, open-label trials involving healthy adult volunteers. The VRC 319 trial, done in three centres, assessed plasmid VRC5288 (Zika virus and Japanese encephalitis virus chimera), and the VRC 320, done in one centre, assessed plasmid VRC5283 (wild-type Zika virus). Eligible participants were aged 18-35 years in VRC19 and 18-50 years in VRC 320. Participants were randomly assigned 1:1 by a computer-generated randomisation schedule prepared by the study statistician. All participants received intramuscular injection of 4 mg vaccine. In VRC 319 participants were assigned to receive vaccinations via needle and syringe at 0 and 8 weeks, 0 and 12 weeks, 0, 4, and 8 weeks, or 0, 4, and 20 weeks. In VRC 320 participants were assigned to receive vaccinations at 0, 4, and 8 weeks via single-dose needle and syringe injection in one deltoid or split-dose needle and syringe or needle-free injection with the Stratis device (Pharmajet, Golden, CO, USA) in each deltoid. Both trials followed up volunteers for 24 months for the primary endpoint of safety, assessed as local and systemic reactogenicity in the 7 days after each vaccination and all adverse events in the 28 days after each vaccination. The secondary endpoint in both trials was immunogenicity 4 weeks after last vaccination. These trials are registered with ClinicalTrials.gov, numbers NCT02840487 and NCT02996461. FINDINGS: VRC 319 enrolled 80 participants (20 in each group), and VRC 320 enrolled 45 participants (15 in each group). One participant in VRC 319 and two in VRC 320 withdrew after one dose of vaccine, but were included in the safety analyses. Both vaccines were safe and well tolerated. All local and systemic symptoms were mild to moderate. In both studies, pain and tenderness at the injection site was the most frequent local symptoms (37 [46%] of 80 participants in VRC 319 and 36 [80%] of 45 in VRC 320) and malaise and headache were the most frequent systemic symptoms (22 [27%] and 18 [22%], respectively, in VRC 319 and 17 [38%] and 15 [33%], respectively, in VRC 320). For VRC5283, 14 of 14 (100%) participants who received split-dose vaccinations by needle-free injection had detectable positive antibody responses, and the geometric mean titre of 304 was the highest across all groups in both trials. INTERPRETATION: VRC5283 was well tolerated and has advanced to phase 2 efficacy testing. FUNDING: Intramural Research Program of the Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health. PMID- 29217379 TI - Major epidemiological factors associated with leptospirosis in Malaysia. AB - INTRODUCTION: Leptospirosis is a zoonotic disease caused by a diverse pathogenic leptospira species and serovars. The disease is transmitted directly following contact with infected urine and other body fluids or indirectly after contact with water or soil contaminated with infected urine. OBJECTIVES: While a wide range of domestic and wild animals are known to be reservoirs of the disease, occupation, international travel and recreation are beginning to assume a center stage in the transmission of the disease. The objective of this study is to review available literatures to determine the extent to which these aforementioned risk factors aid the transmission, increase incidence and outbreak of leptospirosis in Malaysia. STUDY DESIGN: The review was conducted based on prevalence, incidence, and outbreak cases of leptospirosis among human and susceptible animals predisposed to several of the risk factors identified in Malaysia. METHODS: Literature searchers and reviews were conducted based on articles published in citation index journals, Malaysian ministry of health reports, periodicals as well as reliable newspapers articles and online media platforms. In each case, the newspapers and online media reports were supported by press briefings by officials of the ministry of health and other agencies responsible. RESULTS: The disease is endemic in Malaysia, and this was attributed to the large number of reservoir animals, suitable humid and moist environment for proliferation as well as abundant forest resources. Over 30 different serovars have been detected in Malaysia in different domestic and wild animal species. This, in addition to the frequency of flooding which has increased in recent years, and has helped increase the risk of human exposure. Occupation, recreation, flooding and rodent population were all identified as an important source and cause of the disease within the study population. CONCLUSION: There is an urgent need for the government and other stakeholders to intensify efforts to control the spread of the disease, especially as it greatly affect human health and the tourism industry which is an important component of the Malaysian economy. The risk of infection can be minimized by creating awareness on the source and mode of transmission of the disease, including the use of protective clothing and avoiding swimming in contaminated waters. Moreover, improved diagnostics can also help reduce the suffering and mortalities that follow infection after exposure to infection source. PMID- 29217380 TI - Evaluation of rapid PfHRP-2/pLDH-based tests in diagnosing microscopy-confirmed falciparum malaria in Hodeidah governorate, Yemen. AB - Along with the determination of malaria infection rate among suspected patients attending hospitals in Hodeidah governorate, the present study evaluated the accuracy of Plasmodium falciparum histidine-rich protein-2 (PfHRP-2)/parasite specific lactate dehydrogenase (pLDH)-based rapid diagnostic test (RDT) for the diagnosis of microscopy-confirmed falciparum malaria. An overall malaria infection rate of 19.3% (57/295) among suspected patients attending hospitals was microscopically confirmed. The sensitivity of thin blood films for the detection of malaria parasites was 79.0% compared to thick films and was greatly affected by the parasite density, being 65.0% or less at parasite densities of <=1000 parasites/MUl of blood. Compared to light microscopy, the present study revealed sensitivity levels of 100.0% (95% CI: 92.0-100.0) vs. 94.7% (95% CI: 84.2-98.6), specificity levels of 97.3% (95% CI: 89.8-99.5) vs. 100.0% (95% CI: 93.9-100.0), positive predictive values of 89.9% (95% CI: 88.3-99.0) vs. 100.0 (95% CI: 91.6 100.0) and negative predictive values of 100.0% (95% CI: 93.9-100.0) vs. 98.7% (95% CI: 89.3-98.7) for the PfHRP-2 and pLDH components of SD BIOLINE(r) RDT, respectively, for falciparum malaria diagnosis. Therefore, the overall accuracy levels of the PfHRP-2 and pLDH components of the investigated RDT for the diagnosis of microscopy-confirmed falciparum malaria are 98.5% (95% CI: 94.6 99.6) and 97.7% (95% CI: 93.5-99.2), respectively. PMID- 29217381 TI - Adiponectin levels and insulin resistance among patients with chronic hepatitis C. AB - Chronic hepatitis C virus (HCV) infection is associated with insulin resistance (IR), rapid disease progression, and decreased virological response to antiviral treatment. In addition, obesity is a risk factor for chronic hepatitis C evolution and is associated with IR. As adiponectin is an adipokine that is associated with obesity and IR, this study aimed to investigate serum levels of adiponectin among patients with HCV infection and IR. Thirty-three patients with untreated HCV infection underwent testing of serum adiponectin levels (capture ELISA) and were compared to 30 healthy subjects with similar body mass indexes (BMI). Data were also obtained for several homeostatic model assessment (HOMA) indexes: HOMA-IR, HOMA-beta, and HOMA-adiponectin. Patients with HCV infection had higher adiponectin levels, which predominantly were observed among women. Hyperadiponectinemia was not associated with high BMI. Patients with HCV infection had higher HOMA-IR and HOMA-beta values, although no difference was observed for HOMA-adiponectin. Patients with HCV infection and overweight/obese status had higher HOMA-IR values, although no association was observed for adiponectin levels. Hyperadiponectinemia and IR were not influenced by HCV load or liver fibrosis. The predictors of IR were BMI, glycemia, and serum levels of insulin and non-high-density lipoprotein cholesterol, but not adiponectin levels. Thus, patients with chronic hepatitis C have significant metabolic alterations (hyperadiponectinemia and high HOMA-IR values) that are independent of HCV viremia and liver fibrosis. Among these patients, HOMA-IR but not HOMA adiponectin was appropriate for diagnosing IR. PMID- 29217382 TI - New records of 13 species of black flies (Diptera: Simuliidae) from Myanmar. AB - A faunistic survey of black flies in Shan State, central Myanmar, was carried out in 2013. A total of 16 species were collected, of which 13 species are newly recorded from Myanmar. Among 13 newly recorded species, S. (S.) chiangmaiense Takaoka & Suzuki varied in the number of pupal gill filaments from eight to 10. This survey increases the number of species of black flies from Myanmar from 8 to 23. They are classified in five subgenera of the genus Simulium: one in Asiosimulium, seven in Gomphostilbia, one in Montisimulium, two in Nevermannia and 12 in Simulium. PMID- 29217383 TI - Detection of Latino virus (Arenaviridae: Mammarenavirus) naturally infecting Calomys callidus. AB - Mammarenavirus species are associated with a specific rodent host species, although an increasing number of virus has been associated to more than one host, suggesting that co-evolution is less robust than initially thought. There are few eco-epidemiological studies of South America mammarenaviruses in non-endemic areas of Arenavirus Hemorrhagic Fever, affecting specially our current knowledge about animal reservoirs and virus range and host-virus relations. In Brazil, seven arenavirus species were described in seven different rodent species. Here in we describe a new rodent reservoir species in Brazil related to the previously described Latino mammarenavirus (LATV) MARU strain. Samples of 148 rodents from Mato Grosso state, Brazil were analyzed. Amplification of the glycoprotein precursor gene (GPC) was observed in six Calomys callidus rodents. According to phylogenetic inferences, is observed a well-supported monophyletic clade of LATV from C. callidus and other Clade C mammarenavirus. In addition, the phylogenetic relations of both genes showed a close relation between LATV MARU and Capao Seco strains, two distinct lineages. Additionally, the results obtained in this study point out to a change of scenario and in previously stabilized patterns in the dynamics of South American mammarenaviruses, showing that with more studies in AHF non-endemic or silent areas, more potential hosts for this virus will be discovered. PMID- 29217384 TI - Biocompatible sulfenamide and sulfonamide derivatives of metformin can exert beneficial effects on plasma haemostasis. AB - As the pharmacokinetic properties of metformin are unfavourable, several analogues and prodrugs have been synthesised to improve its bioavailability. The aim of this study was to assess the plasma stability of sulfenamide and sulfonamide derivatives of metformin and establish their effects on plasma haemostasis and integrity of red blood cells (RBCs). The overall haemostasis potential was evaluated spectrophotometrically by clot formation and lysis test (CL-test). PT (Prothrombin Time) and APTT (Activated Partial Tromboplastin Time) were used to evaluate the effects if the compounds on the extrinsic and intrinsic coagulation pathway. Haemolysis assay, microscopy and flow cytometry studies were conducted to determine the effect of the compounds on RBCs. Two sulfonamide and one sulfenamide derivatives of metformin were associated with a statistically significant decrease in the overall potential of clot formation and fibrinolysis (? CLAUC), suggesting that these compounds may exert beneficial effects regarding plasma haemostasis, which is frequently impaired in diabetic patients. p- and o Nitrobenzene sulfonamides contributed to the beneficial change in kinetic parameters of clot formation and fibrinolysis. o-Nitrobenzene sulfonamide significantly increased thrombin generation time (? TGt) and was also found to prolong both APTT and PT. All compounds did not exert any effects on the integrity of RBCs over the concentration range 0.006-0.6 MUmol/mL which constitutes the expected therapeutic concentration. In conclusion, sulfonamide derivatives of metformin present potentially beneficial properties in terms of plasma haemostasis which is frequently impaired in T2DM patients. Therefore, metformin sulfonamides may become a prototype for further design and synthesis of novel metformin analogues and prodrugs with improved pharmacokinetic properties. PMID- 29217385 TI - 4-methylesculetin, a coumarin derivative, ameliorates dextran sulfate sodium induced intestinal inflammation. AB - 4-methylesculetin is one of the coumarin derivatives with great anti-oxidant and anti-inflammatory activities. Recent studies have shown that 4-methylesculetin has a promising potentiality to treat inflammatory diseases, especially those related to reactive oxygen species, as inflammatory bowel disease. Based on this, the present study aims to investigate the intestinal anti-inflammatory activity of 4-methylesculetin in dextran sulfate sodium (DSS) model. For this purpose, mice received DSS 5% for 5 days followed by 2 days of filtered tap water. Treated groups received orally 5 or 25 mg/kg of 4-methylesculetin daily since the first day. Macroscopic, microscopic and biochemical parameters were evaluated. 4 methylesculetin (25 mg/kg) improved microscopic parameters, decreased MPO activity, reduced the colonic levels of IL-6 and counteracted GSH depletion when compared with DSS-control group. Our results show the intestinal anti inflammatory activity of 4-methylesculetin in DSS model, which is related to its antioxidant and anti-inflammatory properties. This way, 4-methylesculetin, is a new potential compound for treatment of both types of IBD. PMID- 29217386 TI - Early worsening of diabetic retinopathy after rapid improvement of blood glucose control in patients with diabetes. AB - AIM: To review the frequency, importance of and risk factors for "early worsening of diabetic retinopathy" (EWDR) after rapid improvement of blood glucose in patients with diabetes. METHODS: This was a systematic review of key references (PubMed 1980-2016) and the current international recommendations for the above mentioned topics. RESULTS: EWDR has been described during intensive treatment (IT) in patients with uncontrolled type 1 or 2 diabetes, and after pancreas transplantation or bariatric surgery. EWDR arises in 10-20% of patients within 3 6 months after abrupt improvement of glucose control, and in nearly two times that proportion in patients with advanced baseline diabetic retinopathy (DR). While EWDR is often transient and predominantly driven by the development of cotton-wool spots and intraretinal microvascular abnormalities in patients with no or minimal DR, it can lead to irreversible retinal damage in patients with advanced DR before IT. Its identified risk factors include higher baseline levels and larger magnitudes of reduction of HbA1c, longer diabetes durations and previous severity of DR. CONCLUSION: Intensive diabetes treatment inducing a rapid fall in glucose should prompt vigilance and caution, particularly in patients with long-term and uncontrolled diabetes and DR prior to IT. Careful retinal examination should be performed in all patients before initiating IT; however, in patients with severe non-proliferative or proliferative DR, panretinal photocoagulation therapy should be performed promptly. During the year following IT, quarterly eye monitoring is required in patients at high risk of EWDR (long-term uncontrolled diabetes, previous advanced DR), whereas follow-up every 6 months can be applied in patients with short-term diabetes and no/minimal DR before IT. To date, there is no evidence that controlling the speed or magnitude of HbA1c decreases will reduce the risk of EWDR in patients with diabetes. PMID- 29217387 TI - Individualised versus standard duration of elastic compression therapy for prevention of post-thrombotic syndrome (IDEAL DVT): a multicentre, randomised, single-blind, allocation-concealed, non-inferiority trial. AB - BACKGROUND: Therapy with elastic compression stockings has been the cornerstone for prevention of post-thrombotic syndrome for decades in patients after acute deep venous thrombosis. It is uncertain who benefits most from therapy, and what the optimum duration of therapy should be. We therefore aimed to assess the safety and efficacy of individualised duration of compression therapy versus the standard duration of 24 months following an initial treatment period of 6 months. METHODS: We did a multicentre, randomised, single-blind, allocation-concealed, non-inferiority trial at 12 hospitals in the Netherlands and two in Italy. We randomly assigned patients (1:1) with acute proximal deep vein thrombosis of the leg and without pre-existent venous insufficiency (Clinical Etiological Anatomical and Pathophysiological score =5 on two consecutive occasions at least 3 months apart) assessed by intention to treat. The predefined non-inferiority margin for the difference in success rates was set at 7.5%. This study has been completed and is registered with ClinicalTrials.gov, number NCT01429714. FINDINGS: Between March 22, 2011, and July 1, 2015, we enrolled 865 patients and randomly assigned 437 to individualised duration compression stockings and 428 to standard duration. 283 (66%) of 432 patients in the intervention group were advised before 24 months to stop wearing elastic compression stockings (236 [55%] of 432 patients after 6 months, and 47 [11%] of 432 at 12 months). Post-thrombotic syndrome occurred in 125 (29%) of 432 patients receiving individualised duration of therapy and in 118 (28%) of 424 receiving standard duration of therapy (odds ratio for difference 1.06, 95% CI 0.78 to 1.44). The absolute difference was 1.1% (95% CI -5.2 to 7.3), thus meeting the non-inferiority margin. 24 patients died, 17 (4%) in the individualised treatment group and seven (2%) in the standard duration group, but no deaths were related to treatment. No serious adverse events related to the intervention occurred. INTERPRETATION: Individualised therapy with elastic compression stockings for the prevention of post-thrombotic syndrome was non inferior to standard duration of therapy of 24 months. Individualising the duration is effective and could shorten the length of therapy needed, potentially enhancing patients' wellbeing. FUNDING: ZonMw (Netherlands). PMID- 29217388 TI - Impact of Cytomegalovirus Viral Load on Probability of Spontaneous Clearance and Response to Preemptive Therapy in Allogeneic Stem Cell Transplantation Recipients. AB - The optimal viral load threshold at which to initiate preemptive cytomegalovirus (CMV) therapy in hematopoietic cell transplantation (HCT) recipients remains to be defined. In an effort to address this question, we conducted a retrospective study of 174 allogeneic HCT recipients who underwent transplantation at a single center between August 2012 and April 2016. During this period, preemptive therapy was initiated at the discretion of the treating clinician. A total of 109 patients (63%) developed CMV viremia. The median time to reactivation was 17 days (interquartile range, IQR, 7-30 days) post-HCT. A peak viremia >=150 IU/mL was strongly associated with a reduced probability of spontaneous clearance (relative risk, .16; 95% confidence interval, .1-.27), independent of established clinical risk factors, including CMV donor serostatus, exposure to antithymocyte globulin, and underlying lymphoid malignancy. The median time to clearance of viremia was significantly shorter in those who started therapy at CMV <350 IU/mL (19 days; IQR, 11-35 days) compared with those who started antiviral therapy at higher viremia thresholds (33 days; IQR, 21-42 days; P = .02). The occurrence of treatment-associated cytopenias was frequent but similar in patients who started preemptive therapy at CMV <350 IU/mL and those who started at CMV >350 IU/mL (44% versus 57%; P = .42). Unresolved CMV viremia by treatment day 35 was associated with increased risk of therapeutic failure (32% versus 0%; P = .001). Achieving eradication of CMV viremia by treatment day 35 was associated with a 74% reduction in 1-year nonrelapse mortality (NRM) (adjusted hazard ratio [HR], .26; 95% confidence interval [CI], .1-.8; P = .02), whereas therapeutic failure was associated with a significant increase in the probability of 1-year NRM (adjusted HR, 26; 95% CI, 8-87; P <.0001). We conclude that among allogeneic HCT patients, a peak CMV viremia >=150 IU/mL is associated with a >80% reduction in the probability of spontaneous clearance independent of ATG administration, CMV donor serostatus, and lymphoid malignancy, and is a reasonable cutoff for preemptive therapy. Delaying initiation of therapy until a CMV value >=350 IU/mL is associated with more protracted CMV viremia, and unresolved viremia by treatment day 35 is associated with a significant increase in NRM. PMID- 29217389 TI - Competencies for engaging high-needs patients in primary care. AB - BACKGROUND: Patients who heavily utilize hospitals and emergency departments frequently have complex needs requiring services spanning medical, behavioral, and social service sectors. This study identifies essential competencies for caring for high-needs patients and highlights their importance to primary care delivery. METHODS: Transcripts of in-depth interviews with 30 clinical and administrative staff at 23 complex care programs across the United States were analyzed using standard qualitative techniques. Selected programs had several years of experience in serving patients with multiple chronic conditions, serious mental illness, substance use disorders, severe poverty, and homelessness. These programs exemplified diverse models (assertive community treatment, housing first, behavioral health, high utilizer), and all of them shared the common element of integrating primary care into their services. RESULTS: Competencies, including those known and taught in other fields, have distinctive application to informing delivery of high quality primary care to populations with complex needs, including: motivational interviewing for establishing patients' priorities and helping them improve their health on their own terms; trauma-informed care for modifying primary care procedures to mitigate the ill-effects of prior trauma prevalent in this population; and harm reduction for altering medical regimens to accommodate constraints on what patients are able or willing to do. Other capabilities, cultivated by these programs, include empathizing with patients, promoted by exposure to simulations of patient experiences (e.g., hearing voices); as well as withholding judgment and counteracting patient passivity to foster open discussion of treatment plans. CONCLUSIONS: Absence of deliberate attention to equipping providers with specific competencies for caring for high needs patients may contribute to lack of patient engagement and sub-optimal outcomes, ultimately undermining the success of programs serving these populations. PMID- 29217390 TI - Food and beverage TV advertising to young children: Measuring exposure and potential impact. AB - Children of all ages are vulnerable to influence from exposure to unhealthy food advertisements, but experts raise additional concerns about children under 6 due to their more limited cognitive abilities. Most companies in the U.S. Children's Food and Beverage Advertising Initiative (CFBAI) industry self-regulatory program pledge to not direct any advertising to children under 6. However, young children also watch programming primarily directed to older children and thus may view food-related advertising despite companies' pledges. Research is required to understand the amount and potential impact of this exposure on preschool-age children. Study 1 uses Nielsen advertising exposure data to compare preschoolers' (2-5 years) and older children's (6-11 years) exposure to food advertising in 2015. Preschoolers viewed on average 3.2 food ads daily on children's programming, just 6% fewer compared to 6- to 11-year-olds; over 60% were placed by CFBAI-participating companies. Study 2 exposed young children (N = 49) in a child-care setting to child-directed food ads, measured their attitudes about the ads and advertised brands, and compared responses by 4- to 5-year-olds and 6- to 7-year olds. Most children indicated that they liked the child-directed ads, with media experience associated with greater liking for both age groups. Ad liking and previous consumption independently predicted brand liking for both age groups, although previous consumption was a stronger predictor for older children. Despite pledges by food companies to not direct advertising to children under age 6, preschoolers continue to view advertisements placed by these companies daily, including on children's programming. This advertising likely increases children's preferences for nutritionally poor advertised brands. Food companies and media companies airing children's programming should do more to protect young children from advertising that takes advantage of their vulnerabilities. PMID- 29217391 TI - Percutaneous Transvenous Mitral Valve-in-Valve Implantation Using Commercially Available Transcatheter Valve. First Australian Experience. AB - In patients with a degenerative mitral bioprosthesis and prohibitive surgical risk there is emerging evidence for the feasibility of valve-in-valve procedures via a percutaneous transvenous transseptal approach. This paper describes the first time this procedure has been performed in Australia. PMID- 29217392 TI - Influence of traffic on build-up of polycyclic aromatic hydrocarbons on urban road surfaces: A Bayesian network modelling approach. AB - Due to their carcinogenic effects, Polycyclic Aromatic Hydrocarbons (PAHs) deposited on urban surfaces are a major concern in the context of stormwater pollution. However, the design of effective pollution mitigation strategies is challenging due to the lack of reliability in stormwater quality modelling outcomes. Current modelling approaches do not adequately replicate the interdependencies between pollutant processes and their influential factors. Using Bayesian Network modelling, this research study characterised the influence of vehicular traffic on the build-up of the sixteen US EPA classified priority PAHs. The predictive analysis was conditional on the structure of the proposed BN, which can be further improved by including more variables. This novel modelling approach facilitated the characterisation of the influence of traffic as a source of origin and also as a key factor that influences the re distribution of PAHs, with positive or negative relationship between traffic volume and PAH build-up. It was evident that the re-distribution of particle bound PAHs is determined by the particle size rather than the chemical characteristics such as volatility. Moreover, compared to commercial and residential land uses, mostly industrial land use contributes to the PAHs load released to the environment. Carcinogenic PAHs in industrial areas are likely to be associated with finer particles, while PAHs, which are not classified as human carcinogens, are likely to be found in the coarser particle fraction. PMID- 29217393 TI - Acetabular Revision Using Trabecular Metal Augments for Paprosky Type 3 Defects. AB - BACKGROUND: Trabecular Metal (TM) augments are one option when reconstructing bone loss during acetabular side revision surgery. METHODS: We studied 38 consecutive patients with Paprosky type 3 defects that were revised using a TM shell and one or more augments over a 6-year period. There were 29 Paprosky type 3A defects and 9 Paprosky type 3B defects. The mean age of the patients at the time of surgery was 68.2 years (range 48-84). The mean length of follow-up was 36 months (range 18-74). RESULTS: The mean preoperative short form 12 health survey improved from 27.7 before operation to 30.1 at the time of final follow-up (P = .001). The mean Western Ontario and McMaster Universities Osteoarthritis Index score improved from 53 preoperatively to a mean of 78.8 at final follow-up (P < .0001). There was evidence of radiographic loosening in 7 of the cup-augment constructs. One patient developed a deep infection requiring re-revision. Two patients required revision for aseptic loosening. CONCLUSION: The use of TM in complex acetabular reconstruction is associated with good outcome in the short to medium term. PMID- 29217394 TI - The use of end-tidal carbon dioxide (ETCO2) measurement to guide management of cardiac arrest: A systematic review. AB - AIMS: To identify whether any level of end-tidal carbon dioxide (ETCO2) measured during cardiopulmonary resuscitation (CPR) correlates with return of spontaneous circulation (ROSC) or survival in adults experiencing cardiac arrest in any setting. METHODS: Systematic review. We included randomized controlled trials, cohort studies, and case-control studies of adult cardiac arrest in any setting that reported specific (rather than pooled) ETCO2 values and attempted to correlate those values with prognosis. Full-text articles were searched on EmBASE, MEDLINE, and Cochrane Database. The Grades of Recommendation, Assessment, Development and Evaluation (GRADE) guidelines were followed, assigning levels of quality to all evidence used in the meta-analysis. RESULTS: Seventeen observational studies, describing a total of 6198 patients, were included in the qualitative synthesis, and five studies were included in the meta-analysis. The available studies provided consistent but low-quality evidence that ETCO2 measurements >=10mmHg, obtained at various time points during CPR, are substantially related to ROSC. Additional cut-off values were also found. Initial ETCO2 or 20-min ETCO2>20mmHg appears to be a better predictor of ROSC than the 10mmHg cut off value. A ETCO2<10mmHg after 20min of CPR is associated with a 0.5% likelihood of ROSC. CONCLUSIONS: Based upon existing evidence, ETCO2 levels do seem to provide limited prognostic information for patients who have experienced cardiac arrest. Given the many potential confounders that can influence initial ETCO2 levels, extreme or trending values may be more useful than static mid-range levels. Additional well-designed studies are needed to define optimal timing for the measurement of ETCO2 for prognostic purposes. PMID- 29217395 TI - Out-of-hospital cardiac arrest: Probability of bystander defibrillation relative to distance to nearest automated external defibrillator. AB - AIMS: Despite wide dissemination of automated external defibrillators (AEDs), bystander defibrillation rates remain low. We aimed to investigate how route distance to the nearest accessible AED was associated with probability of bystander defibrillation in public and residential locations. METHODS: We used data from the nationwide Danish Cardiac Arrest Registry and the Danish AED Network to identify out-of-hospital cardiac arrests and route distances to nearest accessible registered AED during 2008-2013. The association between route distance and bystander defibrillation was described using restricted cubic spline logistic regression. RESULTS: We included 6971 out-of-hospital cardiac arrest cases. The proportion of arrests according to distance in meters (<=100, 101-200, >200) to the nearest accessible AED was: 4.6% (n=320), 5.3% (n=370), and 90.1% (n=6281), respectively. For cardiac arrests in public locations, the probability of bystander defibrillation at 0, 100 and 200m from the nearest AED was 35.7% (95% confidence interval 28.0%-43.5%), 21.3% (95% confidence interval 17.4% 25.2%), and 13.7% (95% confidence interval 10.1%-16.8%), respectively. The corresponding numbers for cardiac arrests in residential locations were 7.0% (95% confidence interval -2.1%-16.1%), 1.5% (95% confidence interval 0.002%-2.8%), and 0.9% (95% confidence interval 0.0005%-1.7%), respectively. CONCLUSIONS: In public locations, the probability of bystander defibrillation decreased rapidly within the first 100m route distance from cardiac arrest to nearest accessible AED whereas the probability of bystander defibrillation was low for all distances in residential areas. PMID- 29217396 TI - A 2018 Horizon Scan of Emerging Issues for Global Conservation and Biological Diversity. AB - This is our ninth annual horizon scan to identify emerging issues that we believe could affect global biological diversity, natural capital and ecosystem services, and conservation efforts. Our diverse and international team, with expertise in horizon scanning, science communication, as well as conservation science, practice, and policy, reviewed 117 potential issues. We identified the 15 that may have the greatest positive or negative effects but are not yet well recognised by the global conservation community. Themes among these topics include new mechanisms driving the emergence and geographic expansion of diseases, innovative biotechnologies, reassessments of global change, and the development of strategic infrastructure to facilitate global economic priorities. PMID- 29217397 TI - [Development of methods to evaluate nephrological screening and support measures, and lessons learned from the Styrian nephrological screening program "niere.schutzen"]. AB - Throughout the world, the incidence and prevalence of patients with chronic kidney disease have been steadily rising. In 2016, the Styrian nephrology awareness program "niere.schutzen" ("Kidney Protection") was launched to early identify patients with renal insufficiency. The aim of this study was to search for existing international nephrological screening and support programs in order to identify possible evaluation parameters and concepts for niere.schutzen. A search in MEDLINE(r) revealed five relevant international programs from four countries. These differed from one another with respect to the population to be screened, the screening method and the support measures. All the programs involved the transparent documentation of patient data, and allowed for disease monitoring, as well as the impact of specific measures on assessed parameters and variables (laboratory data, participation rates) to be determined. Depending on the data sources employed and the availability and comprehensiveness of additional documentation, three evaluation methods of different informative value were developed. The first method requires no participant labelling, while the second and third methods require the participants to be assigned to a particular program. With the third method, the documentation also needs to be conducted in line with a disease management program. Considering that the speedy implementation of the niere.schutzen program is desired for political reasons, the only practical method is the first one as it does not entail patient documentation and only involves the evaluation of process parameters. PMID- 29217398 TI - Is neoadjuvant chemoradiation with dose-escalation and consolidation chemotherapy sufficient to increase surgery-free and distant metastases-free survival in baseline cT3 rectal cancer? AB - : Patients with cT3 rectal cancer are less likely to develop complete response to neoadjuvant chemoradiation (nCRT) and still face significant risk for systemic relapse. In this setting, radiation (RT) dose-escalation and consolidation chemotherapy in "extended" nCRT regimens have been suggested to improve primary tumor response and decrease the risks of systemic recurrences. For these reasons we compared surgery-free and distant-metastases free survival among cT3 patients undergoing standard or extended nCRT. METHODS: Patients with distal and non metastatic T3 rectal cancer managed by nCRT were retrospectively reviewed. Patients undergoing standard CRT (50.4 Gy and 2 cycles of 5FU-based chemotherapy) were compared to those undergoing extended CRT (54 Gy and 6 cycles of 5FU-based chemotherapy). Patients were assessed for tumor response at 8-10 weeks. Patients with complete clinical response (cCR) underwent organ-preservation strategy (Watch & Wait). Patients were referred to salvage surgery in the event of local recurrence during follow-up. Cox's logistic regression was performed to identify independent features associated with improved surgery-free survival after cCR and distant-metastases-free survival. RESULTS: 155 patients underwent standard and 66 patients extended CRT. Patients undergoing extended CRT were more likely to harbor larger initial tumor size (p = 0.04), baseline nodal metastases (cN+; p < 0.001) and higher tumor location (p = 0.02). Cox-regression analysis revealed that the type of nCRT regimen was not independently associated with distinct surgery-free survival after cCR or distant-metastases-free survival (p > 0.05). CONCLUSIONS: Dose-escalation and consolidation chemotherapy are insufficient to increase long-term surgery-free survival among cT3 rectal cancer patients and provides no advantage in distant metastases-free survival. PMID- 29217400 TI - Biocatalytic production of (S)-2-aminobutanamide by a novel d-aminopeptidase from Brucella sp. with high activity and enantioselectivity. AB - As the important chiral building block of levetiracetam, the synthesis of (S)-2 aminobutanamide has attracted a great deal of attention. The d-aminopeptidase catalyzed kinetic resolution of 2-aminobutanamide was demonstrated as an effective strategy for (S)-2-aminobutanamide production. In this study, a novel d aminopeptidase from Brucella sp. (Bs-Dap) was screened and systematically characterized. The enzyme exhibited maximum activity at 45 degrees C, pH 8.0 and it showed relatively low Km value toward 2-aminobutanamide, indicating its high affinity to the substrate. Kinetic resolution of 300g/L 2-aminobutanamide by recombinant Escherichia coli whole cells (4g/L wet cell weight) resulted in 50% conversion and >99% e.e. within 80min. The catalytic properties of Bs-Dap demonstrated its great potential for industrial production of (S)-2 aminobutanamide. PMID- 29217399 TI - Feasibility of breast MRI after sentinel procedure for breast cancer with superparamagnetic tracers. AB - RATIONALE: The gold standard for detection of axillary sentinel lymph nodes uses injection of a radioisotope (99Tc Nanocoll). As an alternative to this method, a magnetometer detecting the superparamagnetic tracer Sienna+(r) can be applied for detection of sentinel lymph nodes. The goal of this study was to determine whether interpretation of breast MRI is impaired by Sienna+(r) tracer residues in the operated breast and axillary lymph nodes after a sentinel procedure using this tracer. PATIENTS AND METHODS: 34 patients who received the Sienna+(r) tracer for marking the sentinel node were invited to undergo a follow-up breast MRI. Native MR images were obtained from breast and axilla. The breast MRIs were evaluated by two independent breast radiologists for Sienna+(r) tracer related artefacts and for the degree of impairment of the MR imaging. RESULTS: 24 of the 34 invited patients took part in this study. The mean time since injection of Sienna+(r) was 42 months (40.6-45.4 months). Two patients had bilateral surgery with injections in both breasts, leading to a total of 26 separate cases. One case had to be excluded due to breathing artefacts. In 10 cases (40%), impaired imaging was found. In three cases (12%), the MRI scan reading was impossible due to Sienna+(r) tracer residues, the other 12 cases (48%) showed no restriction. In the subgroup of patients treated with breast conserving surgery, tracer residue artefacts were found in 13 of 17 patients (76.5%). CONCLUSION: To our knowledge, in this study for the first time MR feasibility after Sienna injection was investigated. Sienna+(r) impaired breast MRI after a mean follow-up time of 42 months in half of the cases. Further research is needed to investigate time and field-strength dependency of tracer detectability as well as the diagnostic impact of these artifacts on contrast-enhanced imaging in a clinical setting. PMID- 29217401 TI - Influence of correlation between HLA-G polymorphism and Interleukin-6 (IL6) gene expression on the risk of schizophrenia. AB - Converging evidence suggests important implications of immuno-inflammatory pathway in the risk and progression of schizophrenia. Prenatal infection resulting in maternal immune activation and developmental neuroinflammation reportedly increases the risk of schizophrenia in the offspring by generating pro inflammatory cytokines including IL-6. However, it is not known how prenatal infection can induce immuno-inflammatory responses despite the presence of immuno inhibitory Human Leukocyte Antigen-G (HLA-G) molecules. To address this, the present study was aimed at examining the correlation between 14 bp Insertion/Deletion (INDEL) polymorphism of HLA-G and IL-6 gene expression in schizophrenia patients. The 14 bp INDEL polymorphism was studied by PCR amplification/direct sequencing and IL-6 gene expression was quantified by using real-time RT-PCR in 56 schizophrenia patients and 99 healthy controls. We observed significantly low IL6 gene expression in the peripheral mononuclear cells (PBMCs) of schizophrenia patients (t = 3.8, p = .004) compared to the controls. In addition, schizophrenia patients carrying Del/Del genotype of HLA-G 14 bp INDEL exhibited significantly lower IL6 gene expression (t = 3.1; p = .004) than the Del/Ins as well as Ins/Ins carriers. Our findings suggest that presence of "high-expressor" HLA-G 14 bp Del/Del genotype in schizophrenia patients could attenuate IL-6 mediated inflammation in schizophrenia. Based on these findings it can be assumed that HLA-G and cytokine interactions might play an important role in the immunological underpinnings of schizophrenia. PMID- 29217402 TI - Inflammatory profile analysis reveals differences in cytokine expression between smokers, moist snuff users, and dual users compared to non-tobacco consumers. AB - OBJECTIVE AND DESIGN: The aim of this study is to investigate the inflammatory alterations due to the use of smokeless tobacco and dual use of smokeless tobacco and cigarettes, relative to smoking. SUBJECTS: Plasma and saliva samples were collected from healthy smokers (SMK-100 subjects), moist snuff users (MSC-89 subjects), the dual users (DUSMK-49 subjects), and non-tobacco consumers (NTC-99 subjects) from two cross-sectional studies. METHODS: Luminex Human InflammationMAP(r) 1.0 panel, a multiplex immunoassay. RESULTS: SMK and DUSMK exhibited larger number of alterations in the expression of inflammatory analytes compared to NTC. Eight analytes were significantly elevated (p <= .05) within plasma samples of SMK compared to NTC, while one 1 analyte was elevated between the MSC and NTC groups. DUSMK exhibited different levels of 11 analytes, relative to NTC. MSC displayed fewer alterations in inflammatory protein expression compared to smoker groups, and the inflammatory profile of MSC resembles NTC. Five analytes (ICAM-1, VEGF, MMP-9, ferritin and fibrinogen) emerged as potential biomarkers distinguishing tobacco consumers (p < .02). CONCLUSIONS: We identified a set of five proteins as potential biomarkers that can inform of inflammation status due to tobacco usage. Our findings contribute a better understanding of how the use of different tobacco products contributes to inflammation. PMID- 29217403 TI - Transcriptome analysis reveals a positive role for nerve growth factor in retinol metabolism in primary rat hepatocytes. AB - Up-regulation of nerve growth factor (NGF) in parenchymal hepatocytes with cholestatic injury has been previously demonstrated to exert hepatoprotective effects in an autocrine manner; however, the overall impact of NGF up-regulation remains elusive. This study aimed to profile the effects of exogenous NGF on cultured primary rat hepatocytes using transcriptome analysis. Total RNA was isolated from hepatocytes with and without 24 h of NGF exposure, and subjected to RNA enrichment by PCR and RNA sequencing procedures. Comparison of transcriptome profiles between control and NGF-stimulated hepatocytes demonstrated that NGF significantly up-regulated 10 genes and down-regulated 23 genes in hepatocytes. Subsequent KEGG pathway enrichment analysis indicated that NGF significantly affected the retinol metabolism pathway via increased retinol dehydrogenase 16 (RDH16) expression. In a mouse model of bile duct ligation-induced cholestatic liver injury, NGF supplementation significantly enhanced RDH16 expression, whereas administration of anti-NGF neutralizing antibodies prominently decreased RDH16 expression in cholestatic livers, supporting the positive role of NGF in the regulation of RDH16 in diseased livers. In vitro study further demonstrated that NGF triggered de novo synthesis of RDH16 in primary rat hepatocytes, mainly through an NF-kappaB signaling pathway. In conclusion, this study demonstrates the up-regulation of RDH16 by NGF in cultured rat hepatocytes and mouse cholestatic livers, and provides novel insights on the mechanistic role of NGF in the retinol metabolism of livers. PMID- 29217405 TI - A novel perspective to calibrate temporal delays in cerebrovascular reactivity using hypercapnic and hyperoxic respiratory challenges. AB - Redistribution of blood flow across different brain regions, arising from the vasoactive nature of hypercapnia, can introduce errors when examining cerebrovascular reactivity (CVR) response delays. In this study, we propose a novel analysis method to characterize hemodynamic delays in the blood oxygen level dependent (BOLD) response to hypercapnia, and hyperoxia, as a way to provide insight into transient differences in vascular reactivity between cortical regions, and across tissue depths. A pseudo-continuous arterial spin labeling sequence was used to acquire BOLD and cerebral blood flow simultaneously in 19 healthy adults (12 F; 20 +/- 2 years) during boxcar CO2 and O2 gas inhalation paradigms. Despite showing distinct differences in hypercapnia-induced response delay times (P < 0.05; Bonferroni corrected), grey matter regions showed homogenous hemodynamic latencies (P > 0.05) once calibrated for bolus arrival time derived using non-vasoactive hyperoxic gas challenges. Longer hypercapnic temporal delays were observed as the depth of the white matter tissue increased, although no significant differences in response lag were found during hyperoxia across tissue depth, or between grey and white matter. Furthermore, calibration of hypercapnic delays using hyperoxia revealed that deeper white matter layers may be more prone to dynamic redistribution of blood flow, which introduces response lag times ranging between 1 and 3 s in healthy subjects. These findings suggest that the combination of hypercapnic and hyperoxic gas-inhalation MRI can be used to distinguish between differences in CVR that arise as a result of delayed stimulus arrival time (due to the local architecture of the cerebrovasculature), or preferential blood flow distribution. Calibrated response delays to hypercapnia provide important insights into cerebrovascular physiology, and may be used to correct response delays associated with vascular impairment. PMID- 29217406 TI - LncRNA SNHG1 promotes alpha-synuclein aggregation and toxicity by targeting miR 15b-5p to activate SIAH1 in human neuroblastoma SH-SY5Y cells. AB - Numerous long non-coding RNAs (lncRNAs) have been identified as aberrantly expressed in Parkinson's disease (PD). However, limited knowledge is available concerning the roles of dysregulated lncRNAs and the underlying molecular regulatory mechanism in the pathological process of PD. In this study, we found that lncRNA small nucleolar RNA host gene 1 (SNHG1) and seven in absentia homolog 1 (SIAH1) were upregulated, but microRNA-15b-5p (miR-15b-5p) was downregulated in SH-SY5Y cells pretreated with MPP+, as well as in MPTP-induced mouse model of PD. Overexpression of SIAH1 enhanced cellular toxicity of alpha-synuclein in SH-SY5Y cells, as indicated by the reduction of cell viability and elevation of LDH release. The percentage of alpha-synuclein aggregate-positive cells and the number of alpha-synuclein aggregates per cell were increased in SH-SY5Y cells transfected with pcDNA-SIAH1, while decreased after transfection with short interfering RNA specific for SIAH1 (si-SIAH1). Bioinformatics and luciferase reporter assay revealed that SIAH1 was a direct target of miR-15b-5p. We also found that SNHG1 could directly bind to miR-15-5p and repress miR-15-5p expression. Upregulation of miR-15b-5p alleviated alpha-synuclein aggregation and apoptosis by targeting SIAH1 in SH-SY5Y cells overexpressing alpha-synuclein. Overexpression of SNHG1 enhanced, whereas SNHG1 knockdown inhibited alpha synuclein aggregation and alpha-synuclein-induced apoptosis. Moreover, the neuroprotective effect of si-SNHG1 was abrogated by downregulation of miR-15b-5p. In summary, our data suggest that SNHG1, as a pathogenic factor, promotes alpha synuclein aggregation and toxicity by targeting the miR-15b-5p/SIAH1 axis, contributing to a better understanding of the mechanisms of Lewy body formation and loss of dopaminergic neurons in PD. PMID- 29217404 TI - High-density EEG characterization of brain responses to auditory rhythmic stimuli during wakefulness and NREM sleep. AB - Auditory rhythmic sensory stimulation modulates brain oscillations by increasing phase-locking to the temporal structure of the stimuli and by increasing the power of specific frequency bands, resulting in Auditory Steady State Responses (ASSR). The ASSR is altered in different diseases of the central nervous system such as schizophrenia. However, in order to use the ASSR as biological markers for disease states, it needs to be understood how different vigilance states and underlying brain activity affect the ASSR. Here, we compared the effects of auditory rhythmic stimuli on EEG brain activity during wake and NREM sleep, investigated the influence of the presence of dominant sleep rhythms on the ASSR, and delineated the topographical distribution of these modulations. Participants (14 healthy males, 20-33 years) completed on the same day a 60 min nap session and two 30 min wakefulness sessions (before and after the nap). During these sessions, amplitude modulated (AM) white noise auditory stimuli at different frequencies were applied. High-density EEG was continuously recorded and time frequency analyses were performed to assess ASSR during wakefulness and NREM periods. Our analysis revealed that depending on the electrode location, stimulation frequency applied and window/frequencies analysed the ASSR was significantly modulated by sleep pressure (before and after sleep), vigilance state (wake vs. NREM sleep), and the presence of slow wave activity and sleep spindles. Furthermore, AM stimuli increased spindle activity during NREM sleep but not during wakefulness. Thus, (1) electrode location, sleep history, vigilance state and ongoing brain activity needs to be carefully considered when investigating ASSR and (2) auditory rhythmic stimuli during sleep might represent a powerful tool to boost sleep spindles. PMID- 29217407 TI - Can we predict intermediate syndrome? A review. AB - INTRODUCTION: Ingestion of organophosphorus insecticides (OPI) is a common method of deliberate self harm in the developing world. Deaths mainly follow as a result of the respiratory failure associated with both cholinergic crisis and the intermediate syndrome. Even though death can be prevented by early mechanical ventilation of these patients, limited studies are available regarding the prediction of intermediate syndrome and subsequent respiratory failure. OBJECTIVE: To systematically review articles that are published with regard to possible prediction of intermediate syndrome using clinical, biochemical and electrophysiological parameters. METHODS: A systematic review on literature published in English language was done in the PubMed database without a date limitation. Two sets of search terms were used. The first set consisted of MeSH Terms "organophosphates", "organophosphate poisoning", "op poisoning" "organophosphate insecticide poisoning" and "organophosphorus". The second set included the MeSH Terms "Intermediate syndrome", "proximal muscle weakness", "cranial nerve palsies", "respiratory depression" and "neck muscle weakness". Articles containing at least one word from each set were reviewed. RESULTS: At least one MeSH term from each set was incorporated in 179 articles. Of these, 69 were rejected as they were not related to organophosphate poisoning or intermediate syndrome. PREDICTION OF IMS: Clinical prediction is mostly based on ICU scoring systems. Biochemical markers such as reduced levels of serum and erythrocyte acetylcholine esterase have been studied many times. Both clinical and biochemical markers show a modest relationship in predicting IMS. Single fibre electromyography show promising results as it directly assesses neuromuscular junction. CONCLUSION: The intermediate syndrome which follows organophosphate poisoning still remains a significant problem with its high morbidity. Clinical and biochemical markers show modest results in predicting IMS. Neurophysiological markers such as single fibre EMG should be studied further as they measure activity of affected nicotinic receptors directly. PMID- 29217408 TI - Life, Surgery, and the Philosophy of Dry Creek. PMID- 29217409 TI - Proteasome phosphorylation regulates cocaine-induced sensitization. AB - Repeated exposure to cocaine produces structural and functional modifications at synapses from neurons in several brain regions including the nucleus accumbens. These changes are thought to underlie cocaine-induced sensitization. The ubiquitin proteasome system plays a crucial role in the remodeling of synapses and has recently been implicated in addiction-related behavior. The ATPase Rpt6 subunit of the 26S proteasome is phosphorylated by Ca2+/calmodulin-dependent protein kinases II alpha at ser120 which is thought to regulate proteasome activity and distribution in neurons. Here, we demonstrate that Rpt6 phosphorylation is involved in cocaine-induced locomotor sensitization. Cocaine concomitantly increases proteasome activity and Rpt6 S120 phosphorylation in cultured neurons and in various brain regions of wild type mice including the nucleus accumbens and prefrontal cortex. In contrast, cocaine does not increase proteasome activity in Rpt6 phospho-mimetic (ser120Asp) mice. Strikingly, we found a complete absence of cocaine-induced locomotor sensitization in the Rpt6 ser120Asp mice. Together, these findings suggest a critical role for Rpt6 phosphorylation and proteasome function in the regulation cocaine-induced behavioral plasticity. PMID- 29217410 TI - Munc18-1 haploinsufficiency impairs learning and memory by reduced synaptic vesicular release in a model of Ohtahara syndrome. AB - Ohtahara syndrome, also known as type 4 of Early Infantile Epileptic Encephalopathy with suppression bursts (EIEE-4) is currently an untreatable disorder that presents with seizures and impaired cognition. EIEE-4 patients have mutations most frequently in the STXBP1 gene encoding a Sec protein, munc18-1. The exact molecular mechanism of how these munc18-1 mutations cause impaired cognition, remains elusive. The leading haploinsufficiency hypothesis posits that mutations in munc18-1 render the protein unstable leading to its degradation. Expression driven by the healthy allele is not sufficient to maintain the physiological function resulting in haploinsufficiency. The aim of this study has been to understand how munc18-1 haploinsufficiency causes cognitive impairment seen in EIEE-4. Here we present results from behavioral to cellular effects from a mouse model of munc18-1 haploinsufficiency. Munc18-1 heterozygous knock-out mice showed impaired spatial learning and memory in behavior tests as well as reduced synaptic plasticity in hippocampal CA1 long-term potentiation. Cultured munc18-1 heterozygous hippocampal neurons had significantly slower rate of synaptic vesicle release and decreased readily releasable vesicle pool compared to wild-type control neurons in fluorescent FM dye assays. These results demonstrate that reduced munc18-1 levels are sufficient to impair learning and memory by reducing neurotransmitter release. Therefore, our study implicates munc18-1 haploinsufficiency as a primary cause of cognitive impairment seen in EIEE-4 patients. PMID- 29217411 TI - CT after Endovascular Repair of Abdominal Aortic Aneurysms: Diagnostic Accuracy of Diameter Measurements for the Detection of Aneurysm Sac Enlargement. AB - PURPOSE: To evaluate the diagnostic accuracy of diameter measurements for the detection of aneurysm volume increase during follow-up after endovascular aortic repair (EVAR) of abdominal aortic aneurysms (AAAs). MATERIALS AND METHODS: This retrospective study analyzed 100 pairs of follow-up computed tomography scans randomly selected from an EVAR database (male/female ratio, 91/9; mean age, 71 y; bifurcated and aortouniiliac stent grafts, 96% and 4%, respectively; mean interval, 359 d). Five maximum diameter (Dmax) values were measured (anteroposterior, transverse, axial, coronal, and perpendicular). Aneurysm sac volume was measured by manual segmentation and used as the standard of reference. Overall, 37% of patients had a persistent type II endoleak. RESULTS: The anteroposterior, transverse, axial, coronal, and perpendicular Dmax values increased in 39 patients (mean, 4.3 mm), 30 patients (mean, 4.0), 35 patients (mean, 3.9 mm), 43 patients (mean, 3.9 mm), and 41 patients (mean, 4.3 mm), respectively. Aneurysm sac volume increased in 39 patients (mean, 25.7 cm3). The cutoff levels according to the reporting standard for aneurysm sac enlargement (diameter >= 5.0 mm, volume >= 5.0%) had sensitivity/specificity rates of 29%/95%, 33%/97%, 29%/99%, 33%/93%, and 38%/96%, respectively, for the five Dmax values. The reference standards failed to detect aneurysm volume increase in 72%, 67%, 72%, 61%, and 67% of patients, respectively, with persistent type II endoleak. CONCLUSIONS: Depending on the chosen cutoff value, diameter measurements showed low to moderate sensitivity for the detection of aneurysm volume increase. The diameter measurements failed to detect aneurysm enlargement in a large number of patients with persistent type II endoleak after EVAR of AAA. PMID- 29217412 TI - Glucagon-like peptide-1 receptor agonists reduced the low-density lipoprotein cholesterol in Japanese patients with type 2 diabetes mellitus treated with statins. AB - BACKGROUND: Patients with type 2 diabetes mellitus (T2DM) often have hypercholesterolemia, and their serum low-density lipoprotein cholesterol (LDL-C) levels are not always well-controlled even by statin treatment. The glucose lowering glucagon-like peptide-1 receptor agonists (GLP-1RAs) are reported to change the lipid profiles in T2DM patients, but their effects have been unclear. OBJECTIVE: We examined whether GLP-1RAs affect serum cholesterol levels in T2DM patients with/without statin treatment. METHODS: We retrospectively assessed the baseline and follow-up (median 119 days) levels of serum lipids, HbA1c, and body mass index (BMI) in 103 and 214 Japanese patients with T2DM in whom GLP-1RAs were initiated (GLP-1RA group) and not initiated (control group), stratified by the use of statins. RESULTS: In the GLP-1RA group, the LDL-C, HbA1c, and BMI significantly decreased; high-density lipoprotein cholesterol and triglycerides did not decrease during follow-up. In the control group, these did not decrease. Among the statin users, the percentage change in LDL-C during follow-up was significantly greater in the GLP-1RA group than that in the control group (-6.5% vs -1.0%, P = .040). In the GLP-1RA group, the percentage reduction in LDL-C was not associated with that in BMI but was associated with that in HbA1c only among the statin users. CONCLUSIONS: Our findings demonstrated that GLP-1RAs reduced the serum LDL-C in Japanese patients with T2DM treated with statins. The percentage reduction in LDL-C by GLP-1RAs was associated with that in HbA1c, but not associated with that in BMI. The combination of GLP-1RAs and statins may be a reasonable therapeutic option in T2DM with dyslipidemia. PMID- 29217413 TI - Apolipoprotein E-containing high-density lipoprotein (HDL) modifies the impact of cholesterol-overloaded HDL on incident coronary heart disease risk: A community based cohort study. AB - BACKGROUND: Experimental studies have shown that cholesterol-overloaded high density lipoprotein (HDL) can promote the formation of apolipoprotein E (APOE) containing HDL, a process correcting the atherogenic function of cholesterol overloaded HDL. OBJECTIVE: The objective of the study was to explore whether APOE containing HDL can attenuate the defective impact of cholesterol-overloaded HDL on the development of coronary heart disease (CHD) in humans. METHODS: We measured APOE-HDL cholesterol (APOE-HDLC), HDL cholesterol (HDLC), and HDL particle number in 1112 participants aged 45 to 74 years at baseline in a community-based cohort study. Cholesterol molecules per HDL particle (HDL-C/P ratio) were calculated as the ratio of HDLC to HDL particle number. The ratio of APOE-HDLC to total HDLC (APOE-HDLC/HDLC ratio) was calculated to assess the relative proportion of APOE-HDLC in total HDLC. RESULTS: The HDL-C/P ratio was strongly correlated with APOE-HDLC (partial-r: 0.615). Participants with cholesterol-overloaded HDL (indicated by the highest level of the HDL-C/P ratio) had a high APOE-HDLC/HDLC ratio. Baseline cholesterol-overloaded HDL significantly increased the 10-year risk of incident CHD (hazard ratio = 2.42; 95% confidence interval = 1.06-8.32), but this was attenuated by an increased APOE-HDLC/HDLC ratio. Participants with high HDL-C/P ratio and APOE-HDLC/HDLC ratio had a 42% lower risk, whereas those with a high HDL-C/P ratio and low APOE HDLC/HDLC ratio had a 2.54-fold higher risk, than those with low HDL-C/P ratio and APOE-HDLC/HDLC ratio after multiple adjustments. CONCLUSION: Cholesterol overloaded HDLs are related with increased APOE-containing HDL species. APOE containing HDL was found to attenuate the impact of cholesterol-overloaded HDL on increased incident CHD risk, suggesting that APOE-containing HDL may correct the dysfunction of cholesterol-overloaded HDL. PMID- 29217414 TI - Yellow Fever Vaccine for People Living With HIV Infection. PMID- 29217416 TI - Identification of target proteins of clinical immunity to Plasmodium falciparum in a region of low malaria transmission. AB - The target molecules of antibodies against falciparum malaria remain largely unknown. Recently we have identified multiple proteins as targets of immunity against Plasmodium falciparum using African serum samples. To investigate whether potential targets of clinical immunity differ with transmission intensity, we assessed immune responses in residents of low malaria transmission region in Thailand. Malaria asymptomatic volunteers (Asy: n=19) and symptomatic patients (Sym: n=21) were enrolled into the study. Serum immunoreactivity to 186 wheat germ cell-free system (WGCFS)-synthesized recombinant P. falciparum asexual-blood stage proteins were determined by AlphaScreen, and subsequently compared between the study groups. Forty proteins were determined as immunoreactive with antibody responses to 35 proteins being higher in Asy group than in Sym group. Among the 35 proteins, antibodies to MSP3, MSPDBL1, RH2b, and MSP7 were significantly higher in Asy than Sym (unadjusted p<0.005) suggesting these antigens may have a protective role in clinical malaria. MSP3 reactivity remained significantly different between Asy and Sym groups even after multiple comparison adjustments (adjusted p=0.033). Interestingly, while our two preceding studies using African sera were conducted differently (e.g., cross-sectional vs. longitudinal design, observed clinical manifestation vs. functional activity), those studies similarly identified MSP3 and MSPDBL1 as potential targets of protective immunity. This study further provides a strong rationale for the application of WGCFS-based immunoprofiling to malaria vaccine candidate and biomarker discovery even in low or reduced malaria transmission settings. PMID- 29217415 TI - Arima syndrome caused by CEP290 specific variant and accompanied with pathological cilium; clinical comparison with Joubert syndrome and its related diseases. AB - OBJECTIVE: Arima syndrome (AS) is a rare disease and its clinical features mimic those of Joubert syndrome or Joubert syndrome-related diseases (JSRD). Recently, we clarified the AS diagnostic criteria and its severe phenotype. However, genetic evidence of AS remains unknown. We explored causative genes of AS and compared the clinical and genetic features of AS with the other JSRD. PATIENTS AND METHODS: We performed genetic analyses of 4 AS patients of 3 families with combination of whole-exome sequencing and Sanger sequencing. Furthermore, we studied cell biology with the cultured fibroblasts of 3 AS patients. RESULTS: All patients had a specific homozygous variant (c.6012-12T>A, p.Arg2004Serfs*7) or compound heterozygous variants (c.1711+1G>A; c.6012-12T>A, p.Gly570Aspfs*19;Arg2004Serfs*7) in centrosomal protein 290 kDa (CEP290) gene. These unique variants lead to abnormal splicing and premature termination. Morphological analysis of cultured fibroblasts from AS patients revealed a marked decrease of the CEP290-positive cell number with significantly longer cilium and naked and protruded ciliary axoneme without ciliary membrane into the cytoplasm. CONCLUSION: AS resulted in cilia dysfunction from centrosome disruption. The unique variant of CEP290 could be strongly linked to AS pathology. Here, we provided AS specific genetic evidence, which steers the structure and functions of centrosome that is responsible for normal ciliogenesis. This is the first report that has demonstrated the molecular basis of Arima syndrome. PMID- 29217417 TI - Cat fleas (Ctenocephalides felis) carrying Rickettsia felis and Bartonella species in Hong Kong. AB - Fleas are commonly recorded on stray as well as domestic dogs and cats in Hong Kong. Fleas can be a major cause of pruritus in dogs and cats and also vectors of potentially zoonotic bacteria in the genera Rickettsia and Bartonella. Morphological examination of 174 fleas from dogs and cats living in Hong Kong revealed only cat fleas (Ctenocephalides felis). Cytochrome c oxidase subunit 1 gene (cox1) genotyping of 20 randomly selected specimens, revealed three cox1 haplotypes (HK-h1 to HK-h3). The most common haplotype was HK-h1 with 17 specimens (17/20, 85%). HK-h1 was identical to cox1 sequences of fleas in Thailand and Fiji. HK-h1 and HK-h2 form a distinct cat flea cox1 clade previously recognized as the Clade 3. HK-h3 forms a new Clade 6. A multiplex Bartonella and Rickettsia real-time PCR of DNA from 20 C. felis found Bartonella and Rickettsia DNA in three (15%) and ten (50%) C. felis, respectively. DNA sequencing confirmed the presence of R. felis, B. clarridgeiae and Bartonella henselae. This is the first reported study of that kind in Hong Kong, and further work is required to expand the survey of companion animals in the geographical region. The sampling of fleas on domestic cats and dogs in Hong Kong revealed them to be exclusively infested by the cat flea and to be harbouring pathogens of zoonotic potential. PMID- 29217418 TI - Molecular characterization of virulence and antimicrobial resistance profile of Shigella species isolated from children with moderate to severe diarrhea in northeastern Brazil. AB - Molecular characterization of virulence and antimicrobial resistance profiles were determined for Shigella species isolated from children with diarrhea in Fortaleza, Brazil. Fecal specimens were collected along with socioeconomic and clinical data from children with moderate to severe diarrhea requiring emergency care. Shigella spp. were isolated by standard microbiological techniques, and we developed 4 multiplex polymerase chain reaction assays to detect 16 virulence related genes (VRGs). Antimicrobial susceptibility tests were performed using disk diffusion assays. S. flexneri and S. sonnei were the predominant serogroups. S. flexneri was associated with low monthly incomes; more severe disease; higher number of VRGs; and presence of pic, set, and sepA genes. The SepA gene was associated with more intense abdominal pain. S. flexneri was correlated with resistance to ampicillin and chloramphenicol, whereas S. sonnei was associated with resistance to azithromycin. Strains harboring higher numbers of VRGs were associated with resistance to more antimicrobials. We highlight the correlation between presence of S. flexneri and sepA, and increased virulence and suggest a link to socioeconomic change in northeastern Brazil. Additionally, antimicrobial resistance was associated with serogroup specificity in Shigella spp. and increased bacterial VRGs. PMID- 29217419 TI - In vitro activity of tedizolid against the Mycobacterium abscessus complex. AB - Infections due to Mycobacterium abscessus carry a poor prognosis since this rapidly growing mycobacterium is intrinsically resistant to most antibiotics. Here, we evaluate the in vitro activity of the new oxazolidinone tedizolid against a collection of 44M. abscessus clinical isolates. The MIC50s and MIC90s of tedizolid (2 and 8MUg/mL, respectively) were 2- to 16-fold lower than those of linezolid. There was no difference between the 3M. abscessus subspecies. Time kill assays did not show any bactericidal activity at 4- and 8-fold the MIC. Combination of tedizolid with clarithromycin was synergistic against 1 out of 6 isolates, while indifferent interactions were observed for tedizolid combined with tigecycline, ciprofloxacin, and amikacin. PMID- 29217420 TI - Antibody test for Legionella pneumophila detection. AB - Legionella pneumophila is responsible for Legionnaires' disease (LD). Its detection in both environmental and clinical samples is mainly performed by culture plate method which requires up to 10days to obtain results. Nowadays, there are commercial antibodies against this bacterium, but they have not been tested against all subgroups of L. pneumophila sg 1 or serogroups 1-16 or their cross-reactions with other non-Legionella bacteria. Indeed, many of these antibodies became available when only 8 serogroups of L. pneumophila had been described. We tested 7 antibodies and found that 2 (Mab 8/5 and OBT) specifically detected all the subgroups of L. pneumophila sg 1, one without cross-reactions (Mab8/5). Moreover, the LP3IIG2 antibody detected almost all serogroups tested with lower rates of cross-reactivity, resulting in a specific sensitive antibody for the detection of L. pneumophila. LP3IIG2 presented higher rate of cross reactivity against respiratory non-Legionella isolates, thereby contraindicating its clinical applicability. PMID- 29217421 TI - Isolated suprascapular mononeuropathy following nondisplaced scapular fracture. PMID- 29217422 TI - Hyperbaric oxygen ameliorated the lesion scope and nerve function in acute spinal cord injury patients: A retrospective study. AB - OBJECTIVE: This is a retrospective study to assess the therapeutic effect of hyperbaric oxygen (HBO) in early treatment of acute spinal cord injury (SCI) using magnetic resonance imaging (MRI) and electrophysiology in diagnosing. METHODS: Forty acute SCI patients from Sun Yat-Sen Memorial Hospital who were assigned into HBO treatment were included during August 2013 to October 2014.The patients with adverse reactions or contraindications for HBO were assigned as controls. Both of two groups (HBO and Control) received medicine treatment with Urbason, GM-1 and mecobalamine after surgery. ASIA and the Frankel scores were used to evaluate the therapeutic effect of HBO at the 15th and 30th day after HBO treatment by using MRI and electrophysiology features. RESULTS: Significant therapeutic effect of HBO treatment on acute SCI patients was observed compared with the control group (P<0.05). Comparison for ASIA and Frankel scores showed that motor and neurological functions were significantly improved in HBO group at day 15 and day 30 post treatment. MRI images showed that the grade III injury in HBO group was significant lower than the control group. In comparison with the control, the peak of somatosensory evoked potential (SEP) and motor evoked potential (MEP) amplitude increased, the latency was shortened, and the conduction velocity of sensory nerve (SCV) and motor nerve (MCV) was significantly increased in the HBO group (P<0.05). CONCLUSIONS: HBO treatment has a great efficacy in acute SCI patients. HBO therapy at early stage of acute SCI is beneficiary to the recovery. PMID- 29217423 TI - Pre-transplant AT1R antibodies correlate with early allograft rejection. AB - Studies investigating the potential pathogenic effects of non-HLA antibodies (Ab) have identified Ab against the angiotensin II type 1 receptor (AT1R-Ab) as a risk factor for rejection and kidney graft loss. This study sought to validate the risk of AT1R-Ab for acute rejection and to explore the role of other non-HLA Abs in this capacity. Pre- and post-transplant sera from a cohort of 101 patients (n=453 samples total) were tested for AT1R-Ab and other non-HLA Ab using a commercially available ELISA kit and the Luminex platform, respectively. Patients positive for pre-transplant AT1R-Ab were more likely to develop de novo donor specific Ab (dnDSA) compared to patients that were negative for AT1R-Ab (28% vs 10%, p=0.027). Pre-transplant positivity for AT1R-Ab was associated with TCMR in the first year post-transplant (p=0.034), but did not predict graft loss independent of dnDSA (p=0.063). AT1R-Ab positivity was significantly associated with positivity for Ab against the endothelin A type 1 receptor (ETAR-Ab) inclusive of all study time points (p=0.0021). Given the high prevalence of AT1R Ab pre-transplant (20%) and its association with dnDSA and early TCMR, a prospective study to determine if more intense immunosuppression and/or AT1R blockade has an impact on outcomes in these patients is warranted. PMID- 29217424 TI - Modelling the impact of future socio-economic and climate change scenarios on river microbial water quality. AB - Microbial surface water quality is important, as it is related to health risk when the population is exposed through drinking, recreation or consumption of irrigated vegetables. The microbial surface water quality is expected to change with socio-economic development and climate change. This study explores the combined impacts of future socio-economic and climate change scenarios on microbial water quality using a coupled hydrodynamic and water quality model (MIKE21FM-ECOLab). The model was applied to simulate the baseline (2014-2015) and future (2040s and 2090s) faecal indicator bacteria (FIB: E. coli and enterococci) concentrations in the Betna river in Bangladesh. The scenarios comprise changes in socio-economic variables (e.g. population, urbanization, land use, sanitation and sewage treatment) and climate variables (temperature, precipitation and sea level rise). Scenarios have been developed building on the most recent Shared Socio-economic Pathways: SSP1 and SSP3 and Representative Concentration Pathways: RCP4.5 and RCP8.5 in a matrix. An uncontrolled future results in a deterioration of the microbial water quality (+75% by the 2090s) due to socio-economic changes, such as higher population growth, and changes in rainfall patterns. However, microbial water quality improves under a sustainable scenario with improved sewage treatment (-98% by the 2090s). Contaminant loads were more influenced by changes in socio-economic factors than by climatic change. To our knowledge, this is the first study that combines climate change and socio-economic development scenarios to simulate the future microbial water quality of a river. This approach can also be used to assess future consequences for health risks. PMID- 29217425 TI - USP6 gene rearrangement differentiates primary paranasal sinus solid aneurysmal bone cyst from other giant cell-rich lesions: report of a rare case. AB - Aneurysmal bone cysts (ABCs) mostly occur in the metaphysis of long bones. Primary paranasal ABCs are extremely rare, and most reported cases reveal typical histopathological features including cystic space with fibrous septa and hemorrhage. Solid-variant ABCs or solid ABCs lacking cyst formation may be histologically indistinguishable from giant cell reparative granulomas, giant cell tumor of bone, and brown tumor. Here we report the case of a 24-year-old woman with a paranasal mass diagnosed as USP6-rearranged solid ABC, mimicking giant cell reparative granuloma, giant cell tumor of bone, and brown tumor. For paranasal sinus bone or soft tissue tumors containing numerous giant cells, molecular analysis including the USP6 gene may serve as a useful diagnostic tool to distinguish solid ABCs from other giant cell-rich lesions. PMID- 29217426 TI - Composite lymphoma of follicular B-cell and peripheral T-cell types with distinct zone distribution in a 75-year-old male patient: a case study. AB - Composite lymphoma of T-/B-cell type is rare, and follicular lymphoma composite with peripheral T-cell lymphoma (PTCL) has not previously been reported. We report such a case with both neoplastic components displaying a unique zone of distribution. A 75-year-old male patient presented with generalized lymphadenopathy. Sections of axillary lymph node demonstrated potentially 2 clonal processes, PTCL with aberrant CD20 expression and follicular lymphoma. Interestingly, the 2 neoplastic components were confined to their respective classic distribution zones, with PTCL occupying the interfollicular areas and follicular lymphoma residing in follicles. Both populations were detected by flow cytometry, but their immunophenotypes were insufficient to define clonality. Nonetheless, biclonality was demonstrated by lymphoid receptor gene rearrangement analyses. Molecular cytogenetics showed IGH/BCL2 fusion in the follicular lymphoma and amplification of IGH gene or trisomy/tetrasomy 14 in the PTCL. The current case underscores the complexity of composite lymphoma and advocates a multimodal approach to establishing the diagnosis. PMID- 29217427 TI - Incidental iatrogenic form of collagenized organizing pneumonia. PMID- 29217428 TI - Clinical significance of GalNAcylated glycans in cholangiocarcinoma: Values for diagnosis and prognosis. AB - Cancer cells exhibited the aberrant cancer-associated glycans that are potential biomarkers for diagnosis and monitoring of the cancer. In this study, Sophora japonica agglutinin (SJA) was used to detect SJA-specific N-acetylgalactosamine associated glycans (SNAG) in liver tissues and sera from cholangiocarcinoma (CCA) patients. Whether SNAG could be the diagnostic and prognostic markers for CCA was evaluated. SJA-histochemistry revealed that SNAG was undetec2 in normal bile ducts but was highly expressed in hyperplastic/dysplastic bile ducts and CCA. SNAG was negative in hepatocytes and hepatoma tissues indicating SNAG as a differential marker of CCA and hepatoma. SJA-histochemistry of CCA hamster tissues revealed the involvement of SNAG in the early pathogenesis of bile duct epithelia and CCA development. A SJA-based ELISA was successfully developed to determine SNAG in serum. Serum-SNAG from CCA patients was significantly higher than those of non-CCA control groups with the diagnostic values of 59.5% sensitivity and 73.6% specificity, comparable to those of serum CA19-9. High levels of serum SNAG (>=69AU/ml) indicated poor survival of CCA patients. Taken together, SNAG was first demonstrated here to be a glycobiomarker for diagnosis and prognosis of CCA. Association of SNAG with pathogenesis of bile ducts and CCA development were suggested. (198). PMID- 29217429 TI - Association of platelet count with sarcopenic obesity in postmenopausal women: A nationwide population-based study. AB - OBJECTIVES: The aim of this study was to examine the relationship between platelet count and sarcopenic obesity in postmenopausal women. METHOD: This cross sectional study was conducted using nationally representative data. A total of 2810 postmenopausal women who participated in the 2008-2011 Korea National Health and Nutrition Examination Survey were included in this study. Sarcopenic obesity was defined by a sarcopenia criterion and an obesity criterion. Platelet counts were divided into quartiles as follows: Q, 150-222; Q2, 223-257; Q3, 258-294, and Q4, 295-450 (103/MUl). Multiple logistic regression analysis was performed to examine the association between platelet count quartile and sarcopenic obesity after adjusting for confounding factors. RESULTS: The prevalence of sarcopenic obesity in postmenopausal women was 14.8%. Compared to the lowest platelet quartile, the odds ratios and 95% confidence intervals for sarcopenic obesity in the highest quartile were 1.98 (1.36-2.89) in the unadjusted model; 1.93 (1.31 2.83) after adjusting for age; and 1.65 (1.23-2.65) after adjusting for age, systolic blood pressure, homeostatic model assessment insulin resistance (HOMA IR), triglyceride, total cholesterol, total calorie intake, regular exercise, current smoking status, and education level. CONCLUSIONS: Elevated platelet count (i.e. towards the upper end of the normal range) was significantly associated with sarcopenic obesity in postmenopausal women. PMID- 29217430 TI - Letter re: Diagnosis of ventriculostomy-related infection: Is cerebrospinal fluid lactate measurement a useful tool? PMID- 29217431 TI - The effects of load on transmural differences in contraction of isolated mouse ventricular cardiomyocytes. AB - Mechanical properties of cardiomyocytes from different transmural regions are heterogeneous in the left ventricular wall. The cardiomyocyte mechanical environment affects this heterogeneity because of mechano-electric feedback mechanisms. In the present study, we investigated the effects of the mechanical load (preload and afterload) on transmural differences in contraction of subendocardial (ENDO) and subepicardial (EPI) single cells isolated from the murine left ventricle. Various preloads imposed via axial stretch and afterloads (unloaded and heavy loaded conditions) were applied to the cells using carbon fiber techniques for single myocytes. To simulate experimentally obtained results and to predict mechanisms underlying the cellular response to change in load, our mathematical models of the ENDO and EPI cells were used. Our major findings are the following. Our results show that ENDO and EPI cardiomyocytes have different mechanical responses to changes in preload to the cells. Under auxotonic contractions at low preload (unstretched cells), time to peak contraction (Tmax) and the time constant of [Ca2+]i transient decay were significantly longer in ENDO cells than in EPI cells. An increase in preload (stretched cells) prolonged Tmax in both cell types; however, the prolongation was greater in EPI cells, resulting in a decrease in the transmural gradient in Tmax at high preload. Comparing unloaded and heavy loaded (isometric) contractions of the cells we found that transmural gradient in the time course of contraction is independent of the loading conditions. Our mathematical cell models were able to reproduce the experimental results on the distinct cellular responses to changes in the mechanical load when we accounted for an ENDO/EPI difference in the parameters of cooperativity of calcium activation of myofilaments. PMID- 29217432 TI - Transverse tubular network structures in the genesis of intracellular calcium alternans and triggered activity in cardiac cells. AB - RATIONALE: The major role of a transverse-tubular (TT) network in a cardiac cell is to facilitate effective excitation-contraction coupling and signaling. The TT network structures are heterogeneous within a single cell, and vary between different types of cells and species. They are also remodeled in cardiac diseases. However, how different TT network structures predispose cardiac cells to arrhythmogenesis remains to be revealed. OBJECTIVE: To systematically investigate the roles of TT network structure and the underlying mechanisms in the genesis of intracellular calcium (Ca2+) alternans and triggered activity (TA). METHODS AND RESULTS: Based on recent experimental observations, different TT network structures, including uniformly and non-uniformly random TT distributions, were modeled in a cardiac cell model consisting of a three dimensional network of Ca2+ release units (CRUs). Our simulations showed that both Ca2+ alternans and Ca2+ wave-mediated TA were promoted when the fraction of orphaned CRUs was in an intermediate range, but suppressed in cells exhibiting either well-organized TT networks or low TT densities. Ca2+ alternans and TA could be promoted by low TT densities when the cells were small or the CRU coupling was strong. Both alternans and TA occurred more easily in uniformly random TT networks than in non-uniformly random TT networks. Subcellular spatially discordant Ca2+ alternans was promoted by non-uniformly random TT networks but suppressed by increasing CRU coupling strength. These mechanistic insights provide a holistic understanding of the effects of TT network structure on the susceptibility to arrhythmogenesis. CONCLUSIONS: The TT network plays important roles in promoting Ca2+ alternans and TA, and different TT network structures may predispose cardiac cells differently to arrhythmogenesis. PMID- 29217433 TI - Hypertrophic cardiomyopathy-linked mutation in troponin T causes myofibrillar disarray and pro-arrhythmic action potential changes in human iPSC cardiomyocytes. AB - BACKGROUND: Mutations in cardiac troponin T (TnT) are linked to increased risk of ventricular arrhythmia and sudden death despite causing little to no cardiac hypertrophy. Studies in mice suggest that the hypertrophic cardiomyopathy (HCM) associated TnT-I79N mutation increases myofilament Ca sensitivity and is arrhythmogenic, but whether findings from mice translate to human cardiomyocyte electrophysiology is not known. OBJECTIVES: To study the effects of the TnT-I79N mutation in human cardiomyocytes. METHODS: Using CRISPR/Cas9, the TnT-I79N mutation was introduced into human induced pluripotent stem cells (hiPSCs). We then used the matrigel mattress method to generate single rod-shaped cardiomyocytes (CMs) and studied contractility, Ca handling and electrophysiology. RESULTS: Compared to isogenic control hiPSC-CMs, TnT-I79N hiPSC-CMs exhibited sarcomere disorganization, increased systolic function and impaired relaxation. The Ca-dependence of contractility was leftward shifted in mutation containing cardiomyocytes, demonstrating increased myofilament Ca sensitivity. In voltage-clamped hiPSC-CMs, TnT-I79N reduced intracellular Ca transients by enhancing cytosolic Ca buffering. These changes in Ca handling resulted in beat-to-beat instability and triangulation of the cardiac action potential, which are predictors of arrhythmia risk. The myofilament Ca sensitizer EMD57033 produced similar action potential triangulation in control hiPSC-CMs. CONCLUSIONS: The TnT-I79N hiPSC-CM model not only reproduces key cellular features of TnT-linked HCM such as myofilament disarray, hypercontractility and diastolic dysfunction, but also suggests that this TnT mutation causes pro arrhythmic changes of the human ventricular action potential. PMID- 29217434 TI - Upper Limb Ischemia by Subclavian Artery Dissection after Osteopathic Manipulation. AB - We report the case of a young woman who experienced ischemia of upper limb after osteopathic manipulation. Duplex and computed tomography scan showed wall hematoma of the ostium of subclavian artery. The patient spontaneously recovered so that no surgery was necessary. Dissection of vertebral and carotid arteries has been reported after osteopathic manipulations. We report ischemia of upper limb secondary to dissection of subclavian artery. Arterial dissections associated with manipulation should be recorded in a register in order to assess more carefully the vascular risk that this method carries. PMID- 29217435 TI - Determination of Risk Factors and Establishment of a Prediction Model for Immediate Technical Failure during Endovascular Treatment of Femoropopliteal Occlusive Disease. AB - BACKGROUND: For long femoropopliteal occlusive lesions, the immediate technical failure (ITF) of endovascular treatment (EVT) is relatively high. Therefore, this study aims to reveal risk factors and establish a prediction model of ITF of EVT in femoropopliteal occlusive disease (FPOD) patients based on preoperative clinical date that may be helpful to the clinical procedures. METHODS: A retrospective analysis of 1,563 FPOD patients who underwent above-the-knee EVT was undertaken. Univariate analysis with chi-squared test was used to screen risk factors from preoperative clinical data. Multivariable analysis with logistic regression was used to generate a model for predicting the ITF rate of EVT, which was evaluated through the receiver operating characteristic curve and another independent cohort of 242 FPOD patients. RESULTS: Risk factors for ITF during EVT in FPOD included age (>80 years, X1), the absence of diabetes mellitus (X2), low density lipoprotein (>160 mg/dL, X3), lesion calcification (X4), lesion length (>20 cm, X5), ostial occlusion of superficial femoral artery (SFA) (X6), and SFA lesion involving the popliteal artery (X7). A logistic regression model was established based on the equation: -6.504 + 1.236X1 + 0.945X2 + 1.406X3 + 1.136X4 + 1.059X5 + 2.307X6 + 2.194X7. Scores were given to risk factors as follows: X1 (yes = 12, no = 0), X2 (yes = 9, no = 0), X3 (yes = 14, no = 0), X4 (yes = 11, no = 0), X5 (yes = 11, no = 0), X6 (yes = 23, no = 0), and X7 (yes = 22, no = 0). We determined that the optimal comprehensive score for predicting EVT failure was 39, with a sensitivity of 0.847 and a specificity of 0.8. Among these 242 peripheral arterial disease patients, 12 of 14 patients who had failed EVT had a comprehensive score of >39. CONCLUSIONS: We identified a number of risk factors of ITF during the above-the-knee EVT and established a prediction model that may be used for guidance in clinical practice. PMID- 29217436 TI - Endolymphatic Thoracic Duct Stent-Graft Reconstruction for Chylothorax: Approach, Technical Success, Safety, and Short-term Outcomes. AB - BACKGROUND: To report approach, technical success, safety, and short-term outcomes of thoracic duct stent-graft reconstruction for the treatment of chylothorax. METHODS: Two patients, 1 (50%) male and 1 (50%) female, with mean age of 38 years (range: 16-59 years) underwent endolymphatic thoracic duct stent graft reconstruction between September 2016 and July 2017. Patients had radiographic left-sided chylothoraces (n = 2) from idiopathic causes (n = 1) and heart transplantation (n = 1). In both (100%) patients, antegrade lymphatic access was used to opacify the thoracic duct after which retrograde access was used for thoracic duct stent-graft placement. Pelvic lymphangiography technical success, antegrade cisterna chyli cannulation technical success, thoracic duct opacification technical success, retrograde thoracic duct access technical success, thoracic duct stent-graft reconstruction technical success, ethiodized oil volume, contrast volume, estimated blood loss, procedure time, fluoroscopy time, radiation dose, clinical success, complications, deaths, and follow-up were recorded. RESULTS: Pelvic lymphangiography, antegrade cisterna chyli cannulation, thoracic duct opacification, retrograde thoracic duct access, and thoracic duct stent-graft reconstruction were technically successful in both (100%) patients. Mean ethiodized oil volume was 8 mL (range: 5-10 mL). Mean contrast volume was 13 mL (range: 5-20 mL). Mean estimated blood loss was 13 mL (range: 10-15 mL). Mean fluoroscopy time was 50.4 min (range: 31.2-69.7 min). Mean dose area product and reference air kerma were 954.4 MUGmy2 (range: 701-1,208 MUGmy2) and 83.5 mGy (range: 59-108 mGy), respectively. Chylothorax resolved in both (100%) patients. There were no minor or major complications directly related to the procedure. CONCLUSIONS: Thoracic duct stent-graft reconstruction may be a technically successful and safe alternative to thoracic duct embolization, disruption, and surgical ligation for the treatment of chylothorax. Additional studies are warranted. PMID- 29217437 TI - Carotid Endarterectomy Performed before the Weekend is Associated with Increased Length of Stay. AB - OBJECTIVE: Length of stay (LOS) is commonly used to gauge hospital resource utilization and can affect hospital profit margin. Other fields of surgery have showed that operations performed close to the weekend have longer LOS and higher patient morbidity. Our goal was to investigate whether asymptomatic patients undergoing elective carotid endarterectomy (CEA) earlier in the week had a shorter LOS and improved clinical outcomes compared to those treated before the weekend. METHODS: The Vascular Quality Initiative database was queried for elective weekday CEAs performed for asymptomatic carotid stenosis from 2005 to 2017. Univariate and multivariate analyses were completed to compare outcomes based on the day of the week. RESULTS: There were 26,882 asymptomatic CEAs performed on Monday (20.3%), Tuesday (23.0%), Wednesday (21.3%), Thursday (18.8%), and Friday (16.6%). The mean patient age was 70.5 years, and 59.2% were male. Thirty-day mortality (0.4%) and perioperative complications including stroke (1.4%), myocardial infarction (0.7%), and return to the operating room (1.5%) were not significantly different across weekdays. Patients were discharged on statins in 84.2% of cases and aspirin in 91.5% of cases. The mean LOS ranged from 1.6 +/- 2.2 days to 1.8 +/- 3.2 days. CEAs performed on Fridays had a longer LOS (1.8 +/- 2.4; P < 0.001). Multivariate analysis demonstrated that CEAs performed on Friday had longer LOS compared to those performed on Monday through Thursday (means ratio: 1.05, 95% confidence interval [CI]: 1.03-1.07; P < 0.001). However, there were no differences in perioperative complications to attribute this to. Friday CEA did not have an effect on discharge medication compliance with aspirin (odds ratio: 0.94, 95% CI: 0.82-1.07; P = 0.339) or statin medications (odds ratio: 0.90, 95% CI: 0.79-1.03; P = 0.126). CONCLUSION: Asymptomatic CEA performed before the weekend was associated with longer LOS although there were no differences in perioperative mortality, morbidity, and discharge medication compliance. Such LOS increase, albeit small, may affect the hospital profit margin for the procedure and performing an elective CEA on asymptomatic patients earlier in the week may benefit in a shorter LOS. Improved team staffing and resources on weekends are potential areas for improvement for earlier discharge; however, further investigation is needed. PMID- 29217438 TI - Bilateral Axillary Artery Aneurysms in a Six-Year-Old Child. AB - True axillary artery aneurysms in children are rare and mostly caused by blunt trauma. Idiopathic bilateral axillary aneurysms in children are even more infrequent, and evidence for optimal management is scarce. Moreover, the maximum follow-up time of interventions reported in pediatric axillary artery aneurysms was less than 1 year, and long-term outcomes remained unknown. In this report, we presented a 6-year-old child with bilateral axillary artery aneurysms treated by saphenous vein reconstruction with a 5-year follow-up. Meanwhile, we reviewed the etiology and treatment of true axillary artery aneurysm in children, which we hope would add information to the scarce evidence of management of true axillary artery aneurysms in children. PMID- 29217439 TI - In Patients with Severe Peripheral Arterial Disease, Revascularization-Induced Improvement in Lower Extremity Ischemia Can Be Detected by Laser Speckle Contrast Imaging of the Fluctuation in Blood Perfusion after Local Heating. AB - BACKGROUND: We previously reported the utility of the perfusion value (PV) fluctuation slope for detecting severe ischemia in the lower limb. Our approach was based on a thermal load test mimicking the well-known physiological reaction termed "cold-induced vasodilation," which is known to occur as a 3-phase phenomenon. The slope parameter quantifies the decrease in PVs accompanying the relative cooling (third phase) following the transient increase in blood flow (second phase) induced by the applied thermal load. This phenomenon of "relative" cold-induced vasodilation (rCIVD) can be monitored using laser speckle contrast imaging (LSCI) after applying the thermal load (LTL test). Here, we aimed to determine whether the slope parameter obtained via the LTL test also reflects the improvement in hemodynamics after revascularization. METHODS: The study enrolled 16 patients (18 limbs), who underwent revascularization for peripheral arterial disease (PAD). The measurements were performed at 2 sites in each limb (in total, 34 sites; 2 sites in one patient were excluded because of significant movement during the measurement). For each site, we recorded the slope describing the behavior of PVs (decrease or plateau) in the third phase of rCIVD, following the initial, heating-induced increase in perfusion (second phase of rCIVD). The plateau group (group P), which included patients with an abnormal rCIVD, and the decrease group (group D), which included patients with a normal rCIVD, were defined based on perfusion slope values of <0.20 and >= 0.20 perfusion units/min, respectively. We also quantified the transient increase in perfusion (from baseline to peak) as a descriptor of perfusion behavior during the second phase of rCIVD. RESULTS: In group P, the change in median values (25-75%) of the slope, transcutaneous oxygen tension, and ankle-brachial index (ABI) from before to after operation was (-0.02 [-0.04 to 0.02]; 4 [1-11]; and 0.08 [0-0.27]) to (0.39 [0.32-0.59]; 46 [37-54]; and 0.81 [0.72-0.90]). Conversely, in group D, the change in the median values of the slope, transcutaneous oxygen tension, and ABI between before and after operation was (0.38 [0.32-0.49]; 40.5 [35-45]; and0.58 [0.57-0.65]) to (0.44 [0.30-0.64]; 52 [43-56]; and 0.92 [0.81-0.99]). Sites exhibiting perfusion pattern of group D in the third phase of rCIVD showed no significant change in slope after revascularization (P = 0.21), whereas the slope in group P increased significantly after revascularization, becoming similar to the postoperative slopes in group D (P = 0.81). The amount of transient increase in perfusion, which quantified the behavior in the second phase of rCIVD, showed a similar behavior. Preoperatively, all patients in group P had rest pain and/or ulcer of the foot, whereas only few patients in group D had such symptoms. CONCLUSIONS: Normal rCIVD response in the LTL test indicates less-than-severe ischemia, while abnormal rCIVD response measured via the LTL test indicates severe ischemic symptoms, such as critical limb ischemia. Notably, patients with an abnormal rCIVD response can develop a normal rCIVD response following revascularization, thereby reflecting an improvement in blood flow. The LTL test assessing rCIVD response can be useful for detecting severe limb ischemia, such as critical limb ischemia (CLI), and determining the departure from severe limb ischemia by revascularization. PMID- 29217440 TI - Endolymphatic Balloon-Occluded Retrograde Abdominal Lymphangiography (BORAL) and Embolization (BORALE) for the Diagnosis and Treatment of Chylous Ascites: Approach, Technical Success, and Clinical Outcomes. AB - BACKGROUND: To describe endolymphatic balloon-occluded retrograde abdominal lymphangiography (BORAL) and embolization (BORALE) for diagnosis and treatment of chylous ascites in patients with previously unidentifiable leakage site or failed lymphatic embolization. METHODS: Two (66%) men and 1 (33%) woman with mean age of 52 years (range: 14-79 years) presented with chylous ascites and underwent BORAL or BORALE between March 2016 and February 2017. Patients presented with chylous ascites (n = 3) and with renal cell carcinoma after left nephrectomy and lymph node dissection (n = 1), metastatic Merkel cell carcinoma after left nephrectomy and adrenalectomy (n = 1), and heart transplantation after failed Fontan procedure (n = 1). Pelvic lymphangiography technical successes, complications, radiation dose, contrast volume, clinical response, and follow-up were recorded. RESULTS: Pelvic lymphangiography and BORAL were technically successful in 3 (100%) patients. BORALE was attempted in 2 (66%) patients and was technically successful in both patients (100%). No minor or major complications occurred. Mean radiation dose was 1,037 mGy (range: 391-2,264 mGy). Mean contrast was 83 mL (range: 25-150 mL). Mean blood loss was 15 mL (range: 5-30 mL). Chylous ascites resolved in all 3 (100%) patients. CONCLUSIONS: BORAL and BORALE provide a rational and effective approach for the diagnosis and treatment of patients with chylous ascites and previously unidentifiable leakage site or failed lymphatic embolization. PMID- 29217441 TI - Impact of Body Mass Index on Outcomes after Mesenteric Revascularization for Chronic Mesenteric Ischemia. AB - BACKGROUND: Historically, patients with chronic mesenteric ischemia (CMI) are underweight with a low body mass index (BMI). However, with the recent obesity epidemic many of these patients now are overweight with a high BMI. We evaluated the impact of BMI on outcomes after mesenteric revascularization for CMI. METHODS: A retrospective chart review of patients undergoing open or endovascular mesenteric revascularization for CMI between January 2000 and June 2015 was performed. Demographics, comorbidities, BMI, Society for Vascular Surgery combined comorbidity score, treatment modality, postoperative complications, reintervention, and all-cause mortality were analyzed. The primary end point for the study was all-cause mortality at 5 years. Patients were stratified using the World Health Organization BMI criteria. Univariate, Kaplan-Meier survival, and multivariate analyses were performed. RESULTS: In the study period, 104 unique patients underwent mesenteric revascularization for CMI, for 77 of whom BMI information was available. Of these 77, 30 patients were treated by endovascular revascularization, and 47 patients were treated by open revascularization. Overall, 27 (35.1%) were overweight or obese with a BMI >=25. Median follow-up time was 41 months. High BMI patients were less likely to have weight loss at the time of surgery (P = 0.004). Stratified by BMI <25 versus BMI >=25, 5-year survival for patients treated by open revascularization was 90% versus 50% (P = 0.02); survival for patients treated by endovascular revascularization was 27% vs. 53% (P = 0.37). Multivariate survival analysis identified active smoking, hypertensive chronic kidney disease, open repair with the use of venous conduit instead of prosthetic conduit (P < 0.001), and history of peripheral arterial disease (PAD) (P = 0.002), as independent predictors of increased all-cause mortality. CONCLUSIONS: BMI needs to be considered in assessing and counseling patients on outcomes of mesenteric revascularization for CMI, as a BMI over 25 is associated with poorer long-term survival after open revascularization. Smoking, hypertensive chronic kidney disease, PAD, and open repair with the use of venous conduit are independent predictors of long-term mortality after mesenteric revascularization independent of BMI. PMID- 29217442 TI - Posterior Approach for Revascularization in Blunt Popliteal Vessel Injury. AB - BACKGROUND: Popliteal vessel injuries are associated with traumatic knee injury often requiring emergency revascularization. Medial and posterior approaches to the popliteal space have been proposed. This study evaluates the outcome of patients treated for traumatic popliteal vessel injuries via a posterior approach. METHODS: Consecutive patients with traumatic vascular injuries in the popliteal segments II and III undergoing surgical repair via a posterior approach between October 2008 and December 2016 were analyzed. The level of the arterial injury was preoperatively confirmed by computed tomography angiography or duplex ultrasound. Surgery was performed in prone position. Perioperative and long-term outcomes were analyzed including a survey of all patients in January 2017 assessing survival, limb salvage, and claudication. RESULTS: Ten patients (8 female; median age 66 years, range 22-88) with blunt knee trauma were identified, 8 of them after spontaneous knee dislocation. Five patients had local intimal disruption and 5 had complete transection of the popliteal artery. In 6 patients, an interposition graft (vein n = 5; xenograft n = 1) was used for revascularization. Two patients underwent direct reanastomosis and in 2 patients longitudinal arteriotomy with patch plasty was performed. All arterial reconstructions were patent at discharge. Two patients had additional transection of the popliteal vein; in one, reconstruction was performed by direct reanastomosis and in another by interposition of a vein graft. The latter had asymptomatic early postoperative occlusion of the vein graft. After a median follow-up of 56 months (range 45-99), no death, limb loss, or claudication was observed. CONCLUSIONS: After traumatic knee injury, posterior approach to the popliteal vessels is feasible and effective. It allows revascularization by direct repair or a short segment interposition graft avoiding long distance bypass. A high limb salvage rate can be achieved with excellent long-term outcomes. PMID- 29217443 TI - Analysis of Aortic Growth Rates in Uncomplicated Type B Dissection. AB - BACKGROUND: Uncomplicated type B dissections have historically been treated medically with hemodynamic control. Early progression of the disease and late aneurysmal dilation have been considered as indications for intervention. The aim of this study is to analyze growth rate patterns of type B dissections based on computed tomography (CT) measurements over time. METHODS: We conducted a retrospective review of patients with acute type B dissection from 2008 to 2014 who had at least 2 follow-up CT scans. Patients with rapid progression requiring interventions were also included. Using M2S software (M2S, Lebanon, NH), we calculated the mean centerline diameter of the true and false lumens at 3 different sites of the descending aorta. Growth rate was calculated as the change in maximal diameter between the first interval and last available CT scans. Primary outcome was to compare the growth rate pattern between the 2 time intervals. Secondary outcomes included early and delayed aortic intervention and overall mortality (OM). RESULTS: A total of 108 patients were included. Average age of patients was 58.7 years. Median follow-up time was 3 months for the first CT and 32 months for the second. OM was 27.8% (n = 30), whereas the disease specific mortality was 11.1% (n = 12). Thirty-seven percent (n = 40) required operative intervention (18 open and 22 endovascular repair): 20 at 30 days, 12 at 12 months, and 8 patients at >1 year. Mean aortic growth rate was higher in the first time interval compared with the second: 0.89 vs. 0.19 mm/month (P < 0.05) at the proximal descending aorta, 1.01 vs. 0.18 mm/month (P < 0.05) at the mid descending aorta, and 0.65 vs. 0.28 mm/month; (P < 0.05) at the distal descending aorta. Those who underwent intervention had a higher aortic growth rate at early and late interval (P < 0.05). Age and number of comorbidities were associated with OM. Thrombosis of the false lumen did not affect the mortality and intervention rate. CONCLUSIONS: Type B dissection is associated with aortic growth over time. The overall growth rate was not linear with a more prominent initial phase. Faster aortic growth rate is associated with an increased intervention rate, whereas advanced age and number of comorbidities are associated with increased mortality. Prospectively designed studies are needed to identify the subgroup of patients who may benefit from early intervention based on growth rate measurements. PMID- 29217444 TI - Outcome and Complications Using Negative Pressure Wound Therapy in the Groin for Perivascular Surgical Site Infections after Vascular Surgery. AB - BACKGROUND: The aim of this study was to investigate graft preservation, major bleeding, and reinfection rate using negative pressure wound therapy (NPWT) for perivascular surgical site infections (SSIs) in the groin after vascular surgery and factors associated with failure of treatment. METHODS: Retrospective data were collected during 2004-2015. Failure of wound treatment was defined as a wound not healed within 4 months, visible graft material or native artery after 1 month, bleeding from the wound leading to discontinuation of treatment, or death or amputation due to the groin infection. RESULTS: The median age of the 161 patients was 71 years; 63% were men. The rate of graft preservation rate was 81%; 64% for synthetic grafts. Major bleeding during NPWT occurred in 7.1% and local reinfection in 6.4%. Synthetic graft infection (odds ratio [OR] = 6.1, 95% confidence interval [CI] = 2.6-14.4) and bleeding/pseudoaneurysm as presenting symptom (OR = 2.9, 95% CI = 1.0-8.2) were independently associated with increased failure rate of treatment. CONCLUSIONS: NPWT is a good option for perivascular SSI in the groin after vascular surgery. Patients with a synthetic graft infection and/or presenting with pseudoaneurysm or bleeding may be considered for an adjunctive or alternative treatment option. PMID- 29217445 TI - Factors that Predict Failure to Meet Merit-Based Incentive Payment System Quality Measures for Asymptomatic Carotid Endarterectomy. AB - BACKGROUND: The Physician Quality Reporting System (PQRS) created by the Centers for Medicare and Medicaid Services financially penalizes providers who fail to meet expected quality of care measures. The purpose of this study is to evaluate the factors that predict failure to meet PQRS measures for carotid endarterectomy (CEA). METHODS: PQRS measure 260 (discharge by postoperative day 2 following CEA in asymptomatic patients) and 346 (rate of postoperative stroke or death following CEA in asymptomatic patients) were evaluated using hospital records from the state of Florida from 2008 to 2012. The impact of demographics, comorbidities, hospital factors, admission variables, and individual practitioner data upon timely discharge, and postoperative stroke and death. Odds ratios, 95% confidence intervals, and significance (P < 0.05) were determined through the development of a logistic regression model. Surgeons were identified by national provider identifier number, and practitioner data obtained from the American Medical Association Physician Masterfile. RESULTS: A total of 34,235 patient records and 701 providers were identified over the 5-year period. Significant negative predictors for PQRS measure 260 included weekend admission (odds ratio [OR], 2.9), Medicaid (OR, 2.4), surgeon historical postoperative stroke rate >2.0% (OR, 1.7), African-American race (OR, 2.0), and female gender (OR, 1.3). The presence of any of these factors was associated with a 13.5% rate of failure. The most significant negative predictor for PQRS measure 346 was surgeon postoperative stroke rate >2.0% (OR, 6.2 for stroke and OR, 29.0 for death). Surgeons in this underperforming group had worse outcomes compared to their peers despite having patients with fewer risk factors for poor outcomes. Surgeon specialty, board certification, and case volume do not impact either PQRS measures. CONCLUSIONS: Selected groups of patients and surgeons with a disproportionately high rate of postoperative stroke are at risk of failing to meet PQRS pay for performance quality measures. Awareness of these risk factors may help mitigate and minimize the risk of adversely impacting the value stream. Further evaluation of the causative factors that lead to surgeon underperformance could help to improve the quality of care. PMID- 29217446 TI - The Use of the Profunda Femoral Artery as the Sole Target Vessel to Bypass Aortoiliac Disease in Patients with Critical Limb Ischemia and Concomitant Unreconstructable Infrainguinal Disease. AB - BACKGROUND: Critical limb ischemia (CLI) often results from multilevel occlusive disease. There are occasions where a patent profunda femoral artery (PFA) is the only target artery that can be used as outflow during reconstruction to bypass aortoiliac disease (AOID), with no further option for infrainguinal revascularization. We aim to report results of the use of PFA as the sole target vessel for the treatment of these patients. METHODS: This is a retrospective, single-center study including CLI patients treated during 36 months. All procedures were included regardless of inflow site. The outcomes examined were hemodynamic improvement, clinical status change, amputation-free and overall survival, and patency of the prosthesis. Univariate analysis was performed to identify possible predictors of adverse outcomes. RESULTS: Twenty-three patients and 27 limbs were included (2 female, mean age 70.6). Sixteen limbs presented rest pain and 11 tissue loss. Inflow was obtained from the axillary (n = 9), contralateral femoral (n = 8), abdominal aorta (n = 2), thoracic aorta (n = 1), ipsilateral external iliac (n = 2), and contralateral external iliac artery (n = 1). Immediately postoperatively ankle-brachial index significantly increased from 0.15 (0-0.5) to 0.50 (0.25-0.9), (P-value < 0.001). Twenty-four limbs presented clinical improvement (3 minimally, 18 moderately, and 3 markedly improved) and 3 presented no change. During a mean follow-up of 15.8 (2-36) months, we recorded 4 deaths and 4 major amputations. Mean predicted overall survival and amputation free survival were 29.8 (95% confidence interval [CI] 24.5-35.1) and 26.5 months (95% CI 21.1-31.8), respectively. Predicted primary patency was 76% at 3 years. Univariate analysis revealed significant associations only between bypass patency and limp loss (P-value = 0.021). CONCLUSIONS: In the presence of CLI due to AOID and unreconstructable infrainguinal disease, the use of PFA as the sole target vessel during bypass is associated with significant rates of clinical improvement and limb salvage. PMID- 29217447 TI - Early Experience with Fenestrated Endovascular Compared to Open Repair of Complex Abdominal Aortic Aneurysms in a High-Volume Open Aortic Center. AB - BACKGROUND: Early data suggest that fenestrated endovascular aneurysm repair (FEVAR) is feasible but may have higher morbidity and unclear durability compared to open surgical repair (OSR) of complex abdominal aortic aneurysms (CAAAs). We compared the early experience following elective FEVAR to traditional OSR of CAAA in a high-volume open aortic center. METHODS: All patients undergoing FEVAR and OSR for elective CAAA from 1/2010-7/2015 were identified. Univariate, multivariable logistic, and Cox hazards modeling were used to compare perioperative and intermediate outcomes. RESULTS: We identified 116 patients who underwent CAAA repair (18 FEVAR) with a median follow-up of 26 months. FEVAR patients had higher rates of congestive heart failure (22% vs. 5.1%; P = 0.03). Operative time was slightly longer following FEVAR (282 vs. 240 min, P = 0.02). There was no difference in 30-day operative mortality (0% in both) or major complications. Median intensive care unit (0 vs. 3 days; P < 0.001) and hospital length of stay (2.5 vs. 7 days; P < 0.001) were shorter after FEVAR. Rates of 30 day graft complications (5.6% FEVAR vs. 5.1% OSR, P = 1.0) were similar, and there was no statistically significant difference in rates of graft complications in follow-up (17% vs. 8.2%, P = 0.37). After multivariable modeling, FEVAR patients were more likely to develop late graft-related complications (hazard ratio [HR]; 5.0, 95% confidence interval [CI]: 0.98-25). Kaplan-Meier 1-year survival was similar (100% vs. 92%), even after multivariable adjustment (HR, 0.6; 95% CI: 0.1-5.0). CONCLUSIONS: Early experience in FEVAR at a high-volume open aortic center shows that FEVAR can be performed safely with comparable perioperative risk to OSR. FEVAR may be associated with graft complications during follow-up, which should be considered in clinical decision-making. Further study is warranted to better elucidate late durability of FEVAR and the impact of the learning curve on outcomes. PMID- 29217448 TI - Perioperative Outcomes after Regional Versus General Anesthesia for Above the Knee Amputations. AB - BACKGROUND: Nontraumatic lower extremity amputation (LEA) remains a common procedure among patients who frequently have significant comorbidities. Patients undergoing above knee amputation (AKA) have the highest rates of mortality in this cohort, yet there is little evidence to support selection between peripheral nerve block or neuraxial regional anesthesia (RA) versus general anesthesia (GA) techniques. The objective of this study was to determine whether RA (neuraxial or peripheral nerve block) techniques were associated with more favorable outcomes versus general anesthesia among patients undergoing AKA. METHODS: This is a retrospective cohort study using propensity-matched groups. Patients undergoing AKA were identified in the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) data set and grouped according to anesthetic type as either RA or GA. Patients undergoing AKA with RA were propensity matched to similar patients who had GA. Primary outcome was 30-day mortality. Secondary outcomes were numerous and included cardiac, pulmonary, infectious, and bleeding complications, as well as length of stay. Among a subset of patients for whom readmission data were available, rate of readmission was compared as a secondary outcome. RESULTS: Nine thousand nine hundred ninety-nine patients were identified in the ACS-NSQIP database. One thousand three hundred twelve received a regional anesthetic, and the remainder had a general anesthetic. Factors significantly associated with GA included younger age (70 vs. 75 years; P < 0.001), higher body mass index (26.5 vs. 25.4; P < 0.001), and ethnically white (62.4% vs. 57%; P < 0.001). Before matching, patients receiving RA were less likely to be smokers (22% vs. 29%; P < 0.001), have a bleeding disorder (15% vs 30%; P < 0.001), or have a diagnosis of sepsis (26% vs 34%; P < 0.001). Propensity score matching produced a cohort composed of 1,916 patients equally divided between RA and GA. We found no difference with respect to the primary end point of 30-day mortality (11.7% vs 11.7%; odds ratio [OR] 1.01; P = 0.943) nor was there any difference with respect to secondary outcomes. Among patients for whom readmission data were available, there was no statistically significant difference between rates of readmission between the groups (15.6% for RA vs. 12.7% for GA; OR 1.26, confidence interval 0.87-1.828, P = 0.221). CONCLUSIONS: The present investigation did not detect any difference between regional and general anesthetic with respect to morbidity or mortality among patients undergoing AKA. This data set did not allow us to address other relevant markers including pain control or phantom limb syndrome. PMID- 29217449 TI - Role of Brachial Artery Ligation in Management of Prosthetic Arteriovenous Graft Infections. AB - BACKGROUND: Arteriovenous graft (AVG) infections can present as major life threatening hemorrhage or sepsis in a chronic kidney disease patient. Frequently, all these patients present in critical condition which need prompt and expeditious management. Various procedures are described for management of infected grafts and its bleeding complications. However, these procedures are associated with postop-operative bleeding and persistent infection. The aim was to study brachial artery ligation (BAL) near the elbow joint in the management of an infected AVG. METHODS: It was a retrospective study where data collection was done for 51 patients who underwent BAL in infected AVGs from January 2007 to December 2016. RESULTS: During the study period, AVG infections were treated in 62 patients. Fifty-one BALs were done in 62 limbs treated. All were arm grafts (brachial artery to axillary vein) using expanded polytetrafluoroethylene grafts. In 49 patients, BAL was done as a primary procedure. In 2 patients, BAL was done after they presented with uncontrolled infection after initial subtotal excision with oversewing of graft stump at arterial anastomosis. There were 36 men and 15 women, with a mean age of 49 years (range, 23-82). The primary etiologies for renal failure were hypertension (56.2%), diabetes (34.3%), and others (9.5%). Follow-up was 100% at 1 month and 82.3% (42 patients) at 3 months, and none showed any signs of ischemia or sepsis. All had biphasic signals in radial and ulnar arteries with normal peripheral capillary oxygen saturation readings in fingers. None of the patients underwent additional interventions. CONCLUSIONS: BAL in AVG infections is a safe alternative considering the critical general condition of chronic kidney disease patient. It reduces the operative time significantly and avoids complex revascularization and anastomotic dehiscence without any ischemic or bleeding complications. BAL near the elbow joint in patients with good back-bleeding can be used as a primary approach in an infected AVG. However, close monitoring of patient in postoperative period is essential. PMID- 29217450 TI - Cadm2 regulates body weight and energy homeostasis in mice. AB - OBJECTIVE: Obesity is strongly linked to genes regulating neuronal signaling and function, implicating the central nervous system in the maintenance of body weight and energy metabolism. Genome-wide association studies identified significant associations between body mass index (BMI) and multiple loci near Cell adhesion molecule2 (CADM2), which encodes a mediator of synaptic signaling enriched in the brain. Here we sought to further understand the role of Cadm2 in the pathogenesis of hyperglycemia and weight gain. METHODS: We first analyzed Cadm2 expression in the brain of both human subjects and mouse models and subsequently characterized a loss-of-function mouse model of Cadm2 for alterations in glucose and energy homeostasis. RESULTS: We show that the risk variant rs13078960 associates with increased CADM2 expression in the hypothalamus of human subjects. Increased Cadm2 expression in several brain regions of Lepob/ob mice was ameliorated after leptin treatment. Deletion of Cadm2 in obese mice (Cadm2/ob) resulted in reduced adiposity, systemic glucose levels, and improved insulin sensitivity. Cadm2-deficient mice exhibited increased locomotor activity, energy expenditure rate, and core body temperature identifying Cadm2 as a potent regulator of systemic energy homeostasis. CONCLUSIONS: Together these data illustrate that reducing Cadm2 expression can reverse several traits associated with the metabolic syndrome including obesity, insulin resistance, and impaired glucose homeostasis. PMID- 29217451 TI - Between-trial heterogeneity in meta-analyses may be partially explained by reported design characteristics. AB - OBJECTIVE: We investigated the associations between risk of bias judgments from Cochrane reviews for sequence generation, allocation concealment and blinding, and between-trial heterogeneity. STUDY DESIGN AND SETTING: Bayesian hierarchical models were fitted to binary data from 117 meta-analyses, to estimate the ratio lambda by which heterogeneity changes for trials at high/unclear risk of bias compared with trials at low risk of bias. We estimated the proportion of between trial heterogeneity in each meta-analysis that could be explained by the bias associated with specific design characteristics. RESULTS: Univariable analyses showed that heterogeneity variances were, on average, increased among trials at high/unclear risk of bias for sequence generation (lambda^ 1.14, 95% interval: 0.57-2.30) and blinding (lambda^ 1.74, 95% interval: 0.85-3.47). Trials at high/unclear risk of bias for allocation concealment were on average less heterogeneous (lambda^ 0.75, 95% interval: 0.35-1.61). Multivariable analyses showed that a median of 37% (95% interval: 0-71%) heterogeneity variance could be explained by trials at high/unclear risk of bias for sequence generation, allocation concealment, and/or blinding. All 95% intervals for changes in heterogeneity were wide and included the null of no difference. CONCLUSION: Our interpretation of the results is limited by imprecise estimates. There is some indication that between-trial heterogeneity could be partially explained by reported design characteristics, and hence adjustment for bias could potentially improve accuracy of meta-analysis results. PMID- 29217452 TI - Specific agreement on ordinal and multiple nominal outcomes can be calculated for more than two raters. AB - OBJECTIVE: The concept of specific agreement (SA) has been proposed for dichotomous outcomes for two or more raters. We aim to extend this concept for variables with more than two ordinal or nominal categories and more than two raters. STUDY DESIGN AND SETTING: We used two data sets: four plastic surgeons classifying photographs after breast reconstruction on a 5-point ordinal scale and six raters classifying psychiatric patients into five diagnostic categories. For m raters, all (i.e., m(m-1)/2) pairwise agreement tables were summed to calculate the observed agreement (OA), SA and conditional probabilities. The 95% confidence intervals were obtained by bootstrapping. RESULTS: SA was calculated for each ordinal or nominal category to examine when one of the raters scored in a specific category, what is the probability that the other raters scored in that same category. And suppose one of the raters scored X1, what is the probability that the other raters scored X1 or any of the other categories (conditional probability). It appeared, for example, that among the psychiatric disorders, depression and personality disorders were often mixed up, whereas neurosis was rarely mixed up with schizophrenia. CONCLUSION: The concept of SA for variables with ordinal and multiple nominal categories provides relevant clinical information. The extension to conditional probabilities of alternative categories broadens the clinical application with examining which categories are most often mixed up. PMID- 29217453 TI - Tumor-Suppressing Effect of Silencing of Annexin A3 Expression in Breast Cancer. AB - INTRODUCTION: Annexin A3 (ANXA3) participates in various tumor-associated biological processes, including tumor initiation, progression, and metastasis. The present study was designed to investigate the expression and function of ANXA3 in breast cancer cells. MATERIALS AND METHODS: Annexin A3 protein expression in breast cancer cell lines was evaluated using Western blot analysis. ANXA3 expression in MDA-MB 231 breast cancer cells was silenced by RNA interference, and the effects of RNA silencing on cell proliferation, colony forming ability, wound-healing, and invasiveness were evaluated. Levels of ANXA3 expression in 30 primary breast cancers were assayed using immunohistochemistry and correlated with patient survival. RESULTS: Levels of ANXA3 expression were higher in the basal subtype of breast cancer cells, such as MDA-MB 231, HCC-70, and HCC-1954 cells, than in other subtypes. ANXA3 silencing inhibited the activities of MDA-MB 231 and HCC-1954 cells, including their proliferation, invasion across transwell membranes, and wound-healing and colony forming abilities. ANXA3 small interfering RNA (siRNA) also reduced the expression of cycle-dependent kinase protein and increased the expression of E2F1 and p27 proteins compared with control siRNA. Expression of ANXA3 was closely correlated with tumor size, with higher ANXA3 expression associated with reduced disease free survival in breast cancer patients. CONCLUSION: These findings indicate that ANXA3 is associated with the natural progression of breast cancer and might be a potential prognostic marker of patient survival. PMID- 29217454 TI - Patient-related barriers to Rigid Gas Permeable (RGP) lens wear among keratoconus patients in Jordan. AB - PURPOSE: To assess potential patient-related barriers to rigid gas permeable (RGP) lens wear for vision rehabilitation in a sample of keratoconus (KC) patients in Jordan. METHODS: Barriers for RGP contact lens wear among KC patients were discussed and specified by a focus group which consisted of five optometrists who are involved in contact lens practice. The focus group addressed potential barriers for RGP lens wear from the patient's perspective. The identified barriers were then used to design the final questionnaire used in the study. The questionnaire consisted of 8 questions which ask the participant to rate, within a 5-points scale (1: strongly disagree to 5: strongly agree), how each suggested item is considered a barrier for RGP lens wear. RESULTS: 204 KC patients (86 females, 118 males) were involved in a semi-structured interview to answer the questionnaire. The average age of participants was 30.85 (+/-8.74) years old and ranged from 18 to 62 years. The average age of diagnosis of KC (+/ standard deviation) is 21.96 (+/-7.22) years old with a range of 12-52 years. All participants reported that they had never tried RGP lenses for their vision rehabilitation; however, other management options were reported such as glasses, keratoplasty, collagen cross linking and Intacs. The mean score of total barriers to RGP wear was high at 3.8 (+/-0.4) (out of 5). The major identified barriers were: lack of awareness of the benefits of RGP lenses, fear of possible lens complications, lack of medical insurance and high cost of the lens. CONCLUSIONS: The study reveals that several barriers were identified as prevalent. Consequently, there is an imperative need to adopt better planning strategies for management protocol of KC in order to assure best eye care service for KC patients in Jordan. PMID- 29217455 TI - A new method to analyse the effect of multifocal contact lenses on visual function. AB - PURPOSE: Presbyopic contact lens (CL) fittings produce simultaneous vision, providing different retinal images that reduce visual quality and wearers' satisfaction. The purpose of this study was to develop a new method to isolate the multifocality effect of different CL options to manage presbyopia, analysing the impact on binocular visual acuity (VA), stereopsis and contrast sensitivity (CS) and determining the effect of the use of a yellow filter (YF) on visual function. METHODS: A prospective and double-masked randomized pilot study involving 20 healthy volunteers was conducted. Four multifocal CLs and monovision CLs without far prescription were fitted. All subjects wore their spectacles over the CLs to guarantee optimum VA at distance. Binocular VA, stereopsis and CS were assessed after 20min of CL wear with or without a YF of 455nm. RESULTS: Binocular VA decreased with all multifocal CLs (P<0.05), as did stereopsis (P<0.01). All presbyopia correction reduced CS compared with spectacles (P<0.05), except aspheric designs, at a frequency of 3 cycles/ degrees (P>0.06). Using the YF, visual function improved; better binocular VA was found with all multifocal CLs (statistically significant (P<0.02) with both low-addition designs), and better CS was observed at most spatial frequencies (statistically significant (P<0.02) at low frequencies with all CLs). CONCLUSIONS: This pilot study proposes a simple method to analyse the impact of multifocal CL wear on VA, stereopsis and CS while maintaining habitual spectacle correction to assess the patient's short-term opinion and help practitioners and patients make a decision during presbyopia correction with CL fitting. PMID- 29217456 TI - Goblet cell density estimate differences in impression cytology samples varies with different magnification of images. AB - PURPOSE: To assess the impact of using different microscope magnifications for the goblet cell density (GCD) estimates from conjunctival impression cytology (CIC) samples from healthy individuals METHODS: In a prospective study, CIC specimens were collected from the superior bulbar conjunctiva (12 o'clock, 5mm from limbus) of 20 adult subjects (average age 22 years) onto Millicell-CM membranes and Giemsa stained. A region from each CIC filter containing reasonably high numbers of goblet cells was imaged by light microscopy at a final magnification of 400X and then the same region assessed at 200X and then 100X. The images were enlarged, the goblet cells marked and counted and GCD values/sq mm calculated. RESULTS: The mean GCD estimates at 400X magnification, 200X and 100X were 644+/-180, 405+/-72 and 365+/-81 cells/sq mm respectively, and these values were statistically different (p<0.001). CONCLUSIONS: As a result of non uniform distribution, a strategy to select a 400X high power microscope field (HPF) that appears to include a moderate number of goblet cells will have a probability (by at least 20:1) that the GCD estimates will likely be higher compared to those at 200X or 100X, and the probability for higher GCD values is at least 15:1 comparing assessments made at 200X to 100X. Investigators should use only one magnification, with that of a medium power field (200X final magnification) likely being the most useful. PMID- 29217457 TI - Focusing on claudin-5: A promising candidate in the regulation of BBB to treat ischemic stroke. AB - Claudin-5 is a tight junction (TJ) protein in the blood-brain barrier (BBB) that has recently attracted increased attention. Numerous studies have demonstrated that claudin-5 regulates the integrity and permeability of the BBB. Increased claudin-5 expression plays a neuroprotective role in neurological diseases, particularly in cerebral ischemic stroke. Moreover, claudin-5 might be a potential marker for early hemorrhagic transformation detection in ischemic stroke. In light of the distinctive effects of claudin-5 on the nervous system, we present the elaborate network of roles that claudin-5 plays in ischemic stroke. In this review, we first introduce basic knowledge regarding the BBB and the claudin family, the characterization and regulation of claudin-5, and association between claudin-5 and other TJ proteins. Subsequently, we describe BBB dysfunction and neuron-specific drivers of pathogenesis of ischemic stroke, including inflammatory disequilibrium and oxidative stress. Furthermore, we summarize promising ischemic stroke treatments that target the BBB via claudin-5, including modified rt-PA therapy, pharmacotherapy, hormone treatment, receptor targeted therapy, gene therapy, and physical therapy. This review highlights recent advances and provides a comprehensive summary of claudin-5 in the regulation of the BBB and may be helpful for drug design and clinical therapy for treatment of ischemic stroke. PMID- 29217458 TI - IMP2 and IMP3 cooperate to promote the metastasis of triple-negative breast cancer through destabilization of progesterone receptor. AB - Triple-negative breast cancer (TNBC) is one of the most aggressive malignancies and is associated with high mortality rates due to the lack of effective therapeutic targets. In this study, we demonstrated that insulin-like growth factor-II mRNA-binding protein 2 and 3 (IMP2 and IMP3) are specifically overexpressed in TNBC and cooperate to promote cell migration and invasion. Downregulation of both IMP2 and IMP3 in TNBC cells was found to produce a synergistic effect in suppressing cell invasion and invadopodia formation, whereas overexpression of IMP2 and IMP3 in luminal subtype cells enhanced epithelial-mesenchymal transition and metastasis. We also showed that IMP2 and IMP3 are direct targets of microRNA-200a (miR-200a), which is downregulated in TNBC. Conversely, IMP2 and IMP3 suppressed the transcription of miR-200a by destabilizing progesterone receptor (PR) mRNA through recruitment of the CCR4-NOT transcription complex subunit 1 (CNOT1) complex. Together, our findings suggest that IMP2 and IMP3 partially determine the characteristic phenotype and synergistically promote the metastasis of TNBC by downregulating PR. The identified IMP2/3-miR-200a-PR axis represents a novel double-negative feedback loop and serves as a new potential therapeutic target for the treatment of TNBC. PMID- 29217459 TI - Technical aspects of microphysiological systems (MPS) as a promising wet human-in vivo simulator. AB - Microphysiological systems (MPS) are currently attracting a lot of interest from pharmaceutical companies worldwide. In the United States and European Union, several large government projects related to MPS have been initiated, and, in Japan, pharmaceutical companies interested in MPS are watching the recent trends and developments in the field. In July 2017, the Japan Agency for Medical Research and Development initiated a research program to develop chip-based MPS. In this review, we examine the technical aspects of commercializing chip-based MPS. PMID- 29217460 TI - Tissue-specific cellular immune responses to malaria pre-erythrocytic stages. AB - Complete and long-lasting protective immunity against malaria can be achieved through vaccination with invasive live attenuated Plasmodium sporozoites, the motile stage inoculated in the host skin during a mosquito bite. Protective immunity relies primarily on effector CD8+ T cells targeting the parasite in the liver. Understanding the tissue-specific features of the immune response is emerging as a vital requirement for understanding protective immunity. The small parasite inoculum, the scarcity of infected cells and the tolerogenic properties of the liver represent hurdles for the establishment of protective immunity in endemic areas. In this review, we discuss recent advances on liver-specific features of immunity including innate recognition of malaria pre-erythrocytic stages, CD8+ T cell interactions with infected hepatocytes, antigen presentation for effective CD8+ T cell responses and generation of liver-resident memory CD8+ T cells. A better understanding of the factors involved in the induction and maintenance of effector CD8+ T cell immunity against malaria pre-erythrocytic stages is crucial for the development of an effective vaccine targeting the initial phase of malaria infection. PMID- 29217461 TI - The irresponsible promotion of e-cigarettes and Swaptober. PMID- 29217462 TI - E-cigarettes: further flavours of controversy within the controversy. PMID- 29217464 TI - The relationship between trait psychopathy and emotional intelligence: A meta analytic review. AB - Psychopathy is a personality construct that has been related to important emotional deficits. These findings have led to a growing interest in exploring if psychopathic traits are associated with emotional intelligence (EI). However, the literature exploring this association has revealed conflicting results. The aim of the present study was to provide a reliable estimate of the relationship between psychopathy traits and EI (measured as performance-based ability) through meta-analysis. A quantitative and systematic review of the literature using Scopus, Medline, Pubmed, and PsicINFO showed a total of 13 studies meeting inclusion criteria with a combined sample of 2401 participants. The meta-analysis revealed a significant negative relationship between both constructs, showing that higher psychopathic trait scores are related to lower EI levels. We propose several future research lines to clarify possible gaps and ambiguities in the current literature and a set of interesting clinical implications for the prevention, evaluation, and treatment of psychopathic traits by including EI factors in traditional models of psychopathy. PMID- 29217465 TI - Heavy precipitation as a risk factor for shigellosis among homeless persons during an outbreak - Oregon, 2015-2016. AB - OBJECTIVES: Shigella species are the third most common cause of bacterial gastroenteritis in the United States. During a Shigella sonnei outbreak in Oregon from July 2015 through June 2016, Shigella cases spread among homeless persons with onset of the wettest rainy season on record. METHODS: We conducted time series analyses using Poisson regression to determine if a temporal association between precipitation and shigellosis incidence existed. Models were stratified by housing status. RESULTS: Among 105 infections identified, 45 (43%) occurred in homeless persons. With increasing precipitation, cases increased among homeless persons (relative risk [RR] = 1.36 per inch of precipitation during the exposure period; 95% confidence interval [CI] = 1.17-1.59), but not among housed persons (RR = 1.04; 95% CI 0.86-1.25). CONCLUSIONS: Heavy precipitation likely contributed to shigellosis transmission among homeless persons during this outbreak. When heavy precipitation is forecast, organizations working with homeless persons could consider taking proactive measures to mitigate spread of enteric infections. PMID- 29217463 TI - Electrical storm in the early phase of HeartMate(r) II device implantation: Incidence, risk factors and prognosis. AB - BACKGROUND: Ventricular arrhythmia is common after left ventricular assist device (LVAD) implantation, especially in the early postoperative phase (<30 days). AIM: To identify the incidence of and risk factors for electrical storm (ES) occurring within 30 days of HeartMate(r) II implantation. METHODS: We reviewed data from all consecutive patients undergoing HeartMate(r) II device implantation at our institution from January 2008 to December 2014. Patient demographic data, pharmacotherapies and outcomes were collected. The primary endpoint was occurrence of early ES (within 30 days of surgery), defined as three or more separate episodes of sustained ventricular arrhythmia within a 24-hour interval, requiring appropriate therapy. RESULTS: Forty-three patients (mean age 56.7+/ 11.2 years; 39 men) were included. At HeartMate(r) II implantation, mean left ventricular ejection fraction was 20+/-5%, 32 (74.4%) patients had ischaemic cardiomyopathy and 31 (72.1%) were implanted with an indication of bridge to cardiac transplantation. During follow-up, 12 (27.9%) patients experienced early ES after HeartMate(r) II implantation (median delay 9.1+/-7.8 days). Early ES was more frequent in larger patients (body surface area 1.99 vs 1.81 m2; P<0.01), tended to be associated with previous sustained ventricular tachycardia (50.0% vs 22.6%; P=0.08), previous implantable cardioverter-defibrillator implantation (66.7% vs 38.7%; P=0.09), discontinuation of long-term beta-blocker therapy (75.0% vs 45.2%; P=0.08), weaning of adrenergic drugs after the third day (66.7% vs 35.5%; P=0.06) and the use of extracorporeal life support (50% vs 22.6%; P=0.079), but was not associated with the cardiomyopathy aetiology or the indication for assistance. Catheter ventricular tachycardia ablation was performed in six (14.0%) patients. Early ES was associated with a significantly higher all-cause mortality rate at the 30th day (33.3% vs 6.5%; P=0.02). CONCLUSION: ES is a common and pejorative feature in the early postoperative period. PMID- 29217466 TI - Influence of corticosterone treatment on nestling begging in Florida scrub-jays (Aphelocoma coerulescens). AB - Altricial young are dependent on adults for protection and food, and they display nutritional need by begging to elicit feeding from parents. Begging at high levels can be energetically expensive and attract predators; thus, an individual must balance its nutritional needs with these potential costs. Further, because a parent is limited in the amount of food it can provide, begging can contribute to both parent-offspring conflict and sibling-sibling competition. Many extrinsic and intrinsic factors may contribute to begging behavior. One intrinsic factor of interest is corticosterone (CORT), a metabolic hormone hypothesized to play a role in regulating a nestling's begging behavior. We investigated the hypothesis that increased exposure to CORT influences nestling begging behavior in an altricial species, the Florida scrub-jay (Aphelocoma coerulescens). We treated one nestling per treatment nest with a twice-daily dose of exogenous hormone via a CORT-injected waxworm, whereas a second individual received a vehicle-injected waxworm. We monitored individual nestling and adult behavior at all nests with the use of high-definition video cameras on several days during treatment. We found no difference in begging rate between CORT fed and vehicle fed nestlings within a treatment nest. Further, to determine whether CORT treatment had indirect effects on the entire brood, we monitored additional nests, in which nestlings were not manipulated. When treatment and controls were compared, overall begging rates of nestlings in treatment nests were greater than those in control nests. This result suggests that CORT treatment of an individual altered its behavior, as well as that of its siblings. PMID- 29217467 TI - Why should we measure free 25(OH) vitamin D? AB - Vitamin D, either in its D2 or D3 form, is essential for normal human development during intrauterine life, kidney function and bone health. Vitamin D deficiency has also been linked to cancer development and some autoimmune diseases. Given this huge impact of vitamin D on human health, it is important for daily clinical practice and clinical research to have reliable tools to judge on the vitamin D status. The major circulating form of vitamin D is 25-hydroxyvitamin D (25(OH)D), although it is not the most active metabolite, the concentrations of total 25 hydroxyvitamin D in the serum are currently routinely used in clinical practice to assess vitamin D status. In the circulation, vitamin D - like other steroid hormones - is bound tightly to a special carrier - vitamin D-binding protein (DBP). Smaller amounts are bound to blood proteins - albumin and lipoproteins. Only very tiny amounts of the total vitamin D are free and potentially biologically active. Currently used vitamin D assays do not distinguish between the three forms of vitamin D - DBP-bound vitamin D, albumin-bound vitamin D and free, biologically active vitamin D. Diseases or conditions that affect the synthesis of DBP or albumin thus have a huge impact on the amount of circulating total vitamin D. DBP and albumin are synthesized in the liver, hence all patients with an impairment of liver function have alterations in their total vitamin D blood concentrations, while free vitamin D levels remain mostly constant. Sex steroids, in particular estrogens, stimulate the synthesis of DBP. This explains why total vitamin D concentrations are higher during pregnancy as compared to non pregnant women, while the concentrations of free vitamin D remain similar in both groups of women. The vitamin D-DBP as well as vitamin D-albumin complexes are filtered through the glomeruli and re-uptaken by megalin in the proximal tubule. Therefore, all acute and chronic kidney diseases that are characterized by a tubular damage, are associated with a loss of vitamin D-DBP complexes in the urine. Finally, the gene encoding DBP protein is highly polymorphic in different human racial groups. In the current review, we will discuss how liver function, estrogens, kidney function and the genetic background might influence total circulating vitamin D levels and will discuss what vitamin D metabolite is more appropriate to measure under these conditions: free vitamin D or total vitamin D. PMID- 29217469 TI - DEM based computational model to predict moisture induced cohesion in pharmaceutical powders. AB - Pharmaceutical powder flow can alter significantly based on the exposed humidity conditions, and lack of computational models to predict the same may undermine process development, optimization, and scale-up performances. A Discrete Element Model (DEM) is proposed to predict the effects of humidity on pharmaceutical powder flow by altering the cohesive forces based on granular bond numbers in simple hopper geometries. Experiments analogous to the simulations are further performed for three commonly used pharmaceutical excipients at 20%, 40% and 60% RH. The equivalent DEM based bond numbers to predict the powder flow tendencies are in good accordance with the experimental results and can be a useful tool to predict the outcomes of different pharmaceutical processing techniques at various humidity conditions. PMID- 29217468 TI - Availability of hepatitis C diagnostics and therapeutics in European and Eurasia countries. AB - BACKGROUND: Treatment with direct acting antiviral agents (DAAs) has provided sustained virological response rates in >95% of patients with chronic hepatitis C virus (HCV) infection. However treatment is costly and market access, reimbursement and governmental restrictions differ among countries. We aimed to analyze these differences among European and Eurasian countries. METHODS: A survey including 20-item questionnaire was sent to experts in viral hepatitis. Countries were evaluated according to their income categories by the World Bank stratification. RESULTS: Experts from 26 countries responded to the survey. As of May 2016, HCV prevalence was reported as low (<=1%) in Croatia, Czech Republic, Denmark, France, Germany, Hungary, the Netherlands, Portugal, Slovenia, Spain, Sweden, UK; intermediate (1-4%) in Azerbaijan, Bosnia and Herzegovina, Italy, Kosovo, Greece, Kazakhstan, Romania, Russia, Serbia and high in Georgia (6.7%). All countries had national guidelines except Albania, Kosovo, Serbia, Tunisia, and UK. Transient elastography was available in all countries, but reimbursed in 61%. HCV-RNA was reimbursed in 81%. PegIFN/RBV was reimbursed in 54% of the countries. No DAAs were available in four countries: Kazakhstan, Kosovo, Serbia, and Tunisia. In others, at least one DAA combination with either PegIFN/RBV or another DAA was available. In Germany and the Netherlands all DAAs were reimbursed without restrictions: Sofosbuvir and sofosbuvir/ledipasvir were free of charge in Georgia. CONCLUSION: Prevalence of HCV is relatively higher in lower middle and upper-middle income countries. DAAs are not available or reimbursed in many Eurasia and European countries. Effective screening and access to care are essential for reducing liver-related morbidity and mortality. PMID- 29217470 TI - Safe and effective interferon-beta gene therapy for the treatment of multiple sclerosis by regulating biological activity through the design of interferon-beta galectin-9 fusion proteins. AB - Multiple sclerosis (MS) is the most common demyelinating disease. Despite the historical use of interferon-beta (IFN-beta) for the treatment of patients with MS, concerns exist regarding the side effects of IFN-beta. In this study, we designed a series of novel IFN-beta fusion proteins containing galectin-9 (gal 9), which exerts immunosuppressive effects through the binding to its receptor on activated Th1 cells. We hypothesized that these fusion proteins would improve the therapeutic effects and reduce the side effects of IFN-beta. The IFN-beta-gal-9 fusion proteins showed less IFN-beta biological activity on non-T cells than IFN beta alone. In vitro experiments using re-stimulated T cells isolated from mice with experimental autoimmune encephalomyelitis (EAE) showed that the IFN-beta-gal 9 fusion proteins suppressed activated T cells more effectively than IFN-beta. Moreover, in our in vivo experiments, the gene transfer of IFN-beta-gal-9 fusion protein-expressing plasmid DNA into EAE mice showed beneficial therapeutic effects without cytopenia, a known side effect of IFN-beta. In contrast, the gene transfer of IFN-beta-expressing plasmid DNA induced a rapid decrease in the white blood cell count, despite its therapeutic effect. These results indicate that gene therapy using IFN-beta-gal-9 fusion proteins is expected to be safe and effective for the treatment of MS. PMID- 29217471 TI - 3D printing of high drug loaded dosage forms using thermoplastic polyurethanes. AB - It was the aim of this study to develop high drug loaded (>30%, w/w), thermoplastic polyurethane (TPU)-based dosage forms via fused deposition modelling (FDM). Model drugs with different particle size and aqueous solubility were pre-processed in combination with diverse TPU grades via hot melt extrusion (HME) into filaments with a diameter of 1.75 +/- 0.05 mm. Subsequently, TPU-based filaments which featured acceptable quality attributes (i.e. consistent filament diameter, smooth surface morphology and good mechanical properties) were printed into tablets. The sustained release potential of the 3D printed dosage forms was tested in vitro. Moreover, the impact of printing parameters on the in vitro drug release was investigated. TPU-based filaments could be loaded with 60% (w/w) fine drug powder without observing severe shark skinning or inconsistent filament diameter. During 3D printing experiments, HME filaments based on hard TPU grades were successfully converted into personalized dosage forms containing a high concentration of crystalline drug (up to 60%, w/w). In vitro release kinetics were mainly affected by the matrix composition and tablet infill degree. Therefore, this study clearly demonstrated that TPU-based FDM feedstock material offers a lot of formulation freedom for the development of personalized dosage forms. PMID- 29217472 TI - Performance indicators for carrier-based DPIs: Carrier surface properties for capsule filling and API properties for in vitro aerosolisation. AB - This study investigates engineered carrier, as well as engineered API particles, and shows that there are distinct performance indicators of particle engineering for carrier-based dry powder inhalers (DPIs). Spray dried (SDSS) and jet-milled (JMSS) salbutamol sulphate (SS) was blended with untreated alpha-lactose monohydrate (LAC_R) and alpha-lactose monohydrate engineered (LAC_E). Subsequent capsule filling was performed with different process settings on a dosator nozzle capsule filling machine in order to reach a target fill weight of 20-25 mg. To evaluate the performance of the different mixtures, in vitro lung deposition experiments were carried out with a next generation impactor, the emitted dose (ED) and fine particle fraction (FPF) were calculated based on the specification of the European pharmacopoeia. The FPF of micronised powder blends is significantly higher (20%) compared to the FPF of spray dried blends (5%). Compared to API engineering, carrier engineering had a positive effect on the capsule filling performance (weight variability and mean fill weight) at lower compression ratios (setting 1). Results further showed that higher compression ratios appear to be beneficial in terms of capsule filling performance (higher fill weight and less fill weight variation). Concluding, it can be stated that the carrier engineering, or generally carrier properties, govern downstream processing, whereas the API engineering and API properties govern the aerosolisation performance and thereby significantly affect the dose delivery to the lungs. PMID- 29217473 TI - Impact of digestion on the transport of dextran-loaded self-emulsified nanoemulsion through MDCK epithelial cell monolayer and rat intestines. AB - Many of the lipids and surfactants used to prepare the self-emulsified nanoemulsion (SEN) are subjected to the gastro-intestinal enzymatic digestion, which may affect the absorption of the loaded drug. The present study was to investigate the impact of such digestion on the transport of hydrophilic macromolecules (10-kDa dextran as the model compound) loaded in SEN through the MDCK cell monolayer and ex-vivo rat intestines. FITC-labeled dextran (FD) was loaded inside the inner oil phase of SEN by the formation of FD-phospholipid solid dispersion (FDPS). After digestion, the droplet size increased from 31.06 +/- 2.10 nm to 494.6 +/- 22.1 nm, and the FD content in the external aqueous phase increased from 41.6 +/- 4.2% to 61.1 +/- 4.4%. Compared to the FD solution, SEN without digestion enhanced the transport of FD through MDCK cell monolayer 4.1 times and through rat intestines 3.0-7.4 times. However, the digestion reduced the transport of FD 3.5 times through MDCK cell monolayer and 1.3-2.0 times through rat intestines, compared to that without digestion. This reduction was due to the destruction of lipid nano-droplets and release of FD to the external aqueous phase of SEN. This finding should be considered when SEN is used as a delivery system for hydrophilic macromolecules. PMID- 29217474 TI - Effect of particle size, polydispersity and polymer degradation on progesterone release from PLGA microparticles: Experimental and mathematical modeling. AB - Poly(lactic-co-glycolic acid) (PLGA) microparticles containing progesterone were prepared by the solvent extraction/evaporation and microfluidic techniques. Microparticles were characterized by their size distribution, encapsulation efficiency, morphology and thermal properties. The effect of particle size, polydispersity and polymer degradation on the in vitro release of the hormone was studied. A triphasic release profile was observed for larger microparticles, while smaller microspheres showed a biphasic release profile. This behavior is related to the fact that complete drug release was achieved in a few days for smaller microparticles, during which polymer degradation effects are still negligible. A mathematical model was developed that predicts the progesterone release profiles from different-sized PLGA microspheres. The model takes into account both the dissolution and diffusion of the drug in the polymeric matrix as well as the autocatalytic effect of polymer degradation. The model was adjusted and validated with novel experimental data. Simulation results are in very good agreement with experimental results. PMID- 29217475 TI - In vitro drug release and in vivo safety of vitamin E and cysteamine loaded contact lenses. AB - Cystinosis is an orphan disease caused by a genetic mutation that leads to deposition of cystine crystals in many organs including cornea. Ophthalmic manifestation of the disease can be treated with hourly instillation of cysteamine eye drops. The hourly eye drop instillation is tedious to the patients leading to poor compliance and additionally, significant degradation of the drug occurs within one week of opening the bottle, which further complicates this delivery approach. This paper focuses on designing a contact lens to treat the disease with improved efficacy compared to eye drops, and also exploring safety of the drug eluding contact lens in an animal model. Our goal is to design a lens that is safe and that can deliver a daily therapeutic dose of cysteamine to the cornea while retaining drug stability. We show that cysteamine diffuses out rapidly from all lenses due to its small size. Vitamin E incorporation increases the release duration of both ACUVUE(r)OASYS(r) and ACUVUE(r) TruEyeTM but the effect is more pronounced in TruEyeTM likely due to the low solubility of vitamin E in the lens matrix and higher aspect ratio of the barriers. The barriers are not effective in hydrogel lenses, which along with the high aspect ratio in silicone hydrogels suggests that barriers could be forming at the interface of the silicone and hydrogel phases. The presence of vitamin E has an additional beneficial effect of reduction in the oxidation rates, likely due to a transport barrier between the oxygen diffusing through the silicone channels and drug located in the hydrogel phase. Based on this study, both Acuvue(r)OASYS(r) and ACUVUE(r) TruEyeTM can be loaded with vitamin E to design a cysteamine eluting contact lenses for effective therapy of cystinosis. The lenses must be worn for about 4-5 hr. each day, which is less than the typical duration of daily-wear. The vitamin E and cysteamine loaded lenses did not exhibit any toxicity in a rabbit model over a period of 7-days. PMID- 29217476 TI - SUMO1 impact on Alzheimer disease pathology in an amyloid-depositing mouse model. AB - Small ubiquitin-related modifiers (SUMOs) conjugated or bound to target proteins can affect protein trafficking, processing and solubility. SUMOylation has been suggested to play a role in the amyloid plaque and neurofibrillary tangle pathology of Alzheimer disease (AD) and related neurodegenerative diseases. The current study examines the impact of SUMO1 on processing of the amyloid precursor protein (APP) leading to the production and deposition of the amyloid-beta (Abeta) peptide. An in vivo model of these pathways was developed by the generation of double transgenic mice over-expressing human SUMO1 and a mutant APP. The SUMO1-APP transgenics displayed normal APP processing but, at later ages, exhibited increased insoluble Abeta and plaque density accompanied by increased dendritic spine loss, more pronounced synaptic and cognitive deficits. These findings suggest a potential impairment in Abeta clearance as opposed to increased amyloid production. Examination of microglia indicated a reduction in the SUMO1-APP transgenics which is a possible mechanism for the SUMO1-mediated increase in amyloid load. These findings suggest an indirect activity of SUMO1 possibly in the removal of Abeta plaques rather than a direct impact on amyloid generation. PMID- 29217478 TI - Identification of a gene encoding a flavoprotein involved in bile acid metabolism by the human gut bacterium Clostridium scindens ATCC 35704. AB - BACKGROUND: The multi-step bile acid 7alpha-dehydroxylating pathway by which a few species of Clostridium convert host primary bile acids to toxic secondary bile acids is of great importance to gut microbiome structure and host physiology and disease. While genes in the oxidative arm of the 7alpha-dehydroxylating pathway have been identified, genes in the reductive arm of the pathway are still obscure. METHODS: We identified a candidate flavoprotein-encoding gene predicted to metabolize steroids. This gene was cloned and overexpressed in E. coli and affinity purified. Reaction substrate and product were separated by thin layer chromatography and identified by liquid chromatograph mass spectrometry-ion trap time of flight (LCMS-IT-TOF). Phylogenetic analysis of the amino acid sequence was performed. RESULTS: We report the identification of a gene encoding a flavoprotein (EDS08212.1) involved in secondary bile acid metabolism by Clostridium scindens ATCC 35704 and related species. Purified rEDS08212.1 catalyzed formation of a product from 3-dehydro-deoxycholic acid that UPLC-IT-TOF MS analysis suggests loses 4amu. Our phylogeny identified this gene in other bile acid 7alpha-dehydroxylating bacteria. CONCLUSIONS: These data suggest formation of a product, 3-dehydro-4,6-deoxycholic acid, a recognized intermediate in the reductive arm of bile acid 7alpha-dehydroxylation pathway and the first report of a gene in the reductive arm of the bile acid 7alpha-dehydroxylating pathway. PMID- 29217477 TI - Activation of hepatic Nogo-B receptor expression-A new anti-liver steatosis mechanism of statins. AB - Deficiency of hepatic Nogo-B receptor (NgBR) expression activates liver X receptor alpha (LXRalpha) in an adenosine monophosphate-activated protein kinase alpha (AMPKalpha)-dependent manner, thereby inducing severe hepatic lipid accumulation and hypertriglyceridemia. Statins have been demonstrated non cholesterol lowering effects including anti-nonalcoholic fatty liver disease (NAFLD). Herein, we investigated if the anti-NAFLD function of statins depends on activation of NgBR expression. In vivo, atorvastatin protected apoE deficient or NgBR floxed, but not hepatic NgBR deficient mice, against Western diet (WD) increased triglyceride levels in liver and serum. In vitro, statins reduced lipid accumulation in nonsilencing small hairpin RNA-transfected (shNSi), but not in NgBR small hairpin RNA-transfected (shNgBRi) HepG2 cells. Inhibition of cellular lipid accumulation by atorvastatin is related to activation of AMPKalpha, and inactivation of LXRalpha and lipogenic genes. Statin also inhibited expression of oxysterol producing enzymes. Associated with changes of hepatic lipid levels by WD or atorvastatin, NgBR expression was inversely regulated. At cellular levels, statins increased NgBR mRNA and protein expression, and NgBR protein stability. In contrast to reduced cellular cholesterol levels by statin or beta cyclodextrin, increased cellular cholesterol levels decreased NgBR expression suggesting cholesterol or its synthesis intermediates inhibit NgBR expression. Indeed, mevalonate, geranylgeraniol or geranylgeranyl pyrophosphate, but not farnesyl pyrophosphate or farnesol, blocked atorvastatin-induced NgBR expression. Furthermore, we determined that induction of hepatic NgBR expression by atorvastatin mainly depended on inactivation of extracellular signal-regulated kinases 1/2 (ERK1/2) and protein kinase B (Akt). Taken together, our study demonstrates that statins inhibit NAFLD mainly through activation of NgBR expression. PMID- 29217479 TI - Distinct lipidomic profiles in models of physiological and pathological cardiac remodeling, and potential therapeutic strategies. AB - Cardiac myocyte membranes contain lipids which remodel dramatically in response to heart growth and remodeling. Lipid species have both structural and functional roles. Physiological and pathological cardiac remodeling have very distinct phenotypes, and the identification of molecular differences represent avenues for therapeutic interventions. Whether the abundance of specific lipid classes is different in physiological and pathological models was largely unknown. The aim of this study was to determine whether distinct lipids are regulated in settings of physiological and pathological remodeling, and if so, whether modulation of differentially regulated lipids could modulate heart size and function. Lipidomic profiling was performed on cardiac-specific transgenic mice with 1) physiological cardiac hypertrophy due to increased Insulin-like Growth Factor 1 (IGF1) receptor or Phosphoinositide 3-Kinase (PI3K) signaling, 2) small hearts due to depressed PI3K signaling (dnPI3K), and 3) failing hearts due to dilated cardiomyopathy (DCM). In hearts of dnPI3K and DCM mice, several phospholipids (plasmalogens) were decreased and sphingolipids increased compared to mice with physiological hypertrophy. To assess whether restoration of plasmalogens could restore heart size or cardiac function, dnPI3K and DCM mice were administered batyl alcohol (BA; precursor to plasmalogen biosynthesis) in the diet for 16weeks. BA supplementation increased a major plasmalogen species (p18:0) in the heart but had no effect on heart size or function. This may be due to the concurrent reduction in other plasmalogen species (p16:0 and p18:1) with BA. Here we show that lipid species are differentially regulated in settings of physiological and pathological remodeling. Restoration of lipid species in the failing heart warrants further examination. PMID- 29217480 TI - Delphinidin protects colon carcinoma cells against the genotoxic effects of the mycotoxin altertoxin II. AB - Alternaria spp. are ubiquitous molds that are able to produce toxic secondary metabolites which may contaminate food globally. One of those is the mycotoxin altertoxin II (ATX-II), a genotoxic and mutagenic compound. In recent years, different flavonoids that may co-occur with mycotoxins in food were demonstrated to temper toxic effects of molds, mostly through their anti-oxidant properties. Thus, in this study, we assessed the influence of the berry anthocyanidin delphinidin on the toxicity of ATX-II in HT-29 colon carcinoma cells. We performed coupled SRB/WST-1 cytotoxicity assays which revealed only weak antagonistic interactions, and single-cell gel electrophoresis ("comet") assays, where we observed a potent protective effect of delphinidin on the DNA-damaging properties of ATX-II. Furthermore, we investigated the mechanism for this interaction. In the DCF assay delphinidin was found to reduce intracellular oxidative stress levels, which might contribute partly to the latter protection. However, LC-MS experiments showed that co-incubation of the mycotoxin with either delphinidin or its potential degradation product phloroglucinol aldehyde significantly decreased ATX-II concentrations in aqueous solutions, indicating that a direct chemical reaction of ATX-II with these components is likely responsible for the observed loss of toxicity. Our results indicate that delphinidin - and possibly other anthocyanins as well - might play a role in the protection of the gut from Alternaria-induced genotoxicity. PMID- 29217481 TI - DNA damage and repair proteins in cellular response to sulfur mustard in Iranian veterans more than two decades after exposure. AB - Delayed effects of sulfur mustard (SM) exposure on the levels of five important damage/repair proteins were investigated in 40 SM-exposed veterans of Iran-Iraq war and 35 unexposed controls. A major DNA damage biomarker protein - phosphorylated H2AX - along with four DNA repair proteins in cell response to the genome damage MRE11, NBS1, RAD51, and XPA were evaluated in blood lymphocytes from the veterans and controls using western blotting. Mean levels of XPA, MRE11, RAD51 and NBS1 were lower in SM-exposed patients and the decrease in NBS1 was significant. Even though the raised level of phosphor-H2AX in SM-poisoned group compared to the controls was not significant it was consistent with DNA damage findings confirming the severity of damage to the DNA after exposure to SM. There were correlations between the values of RAD51 and NBS1 proteins as well as XPA and MRE11 proteins. More than two decades after exposure to SM, there is still evidences of DNA damage as well as impaired repair mechanisms in cells of exposed individuals. Such disorders in cellular level may contribute to long term health problems of the SM veterans. PMID- 29217482 TI - Keep Alert Eyes on Delayed Paraplegia. PMID- 29217483 TI - In vivo measurement of the rate constant of liver handling of glucose and glucose uptake by insulin-dependent tissues, using a mathematical model for glucose homeostasis in diabetic rats. AB - Diabetes mellitus is a disease that affects glucose homeostasis. The World Health Organization informs that there are over 347 million people in the world with diabetes. The diagnosis and characterization of glucose homeostasis in different metabolic conditions are subjects of great importance with high clinical impact. There are many mathematical models that describe the glucoregulatory system in detail. However, the use of these models is limited because they have a large number of mathematical equations and parameters and they require complex methodologies to estimate of them. This forced to work with average values that decrease the validity of results and the applicability of the models. In this study two mathematical models for rats with diabetes mellitus were developed. The difference between these models and others lies in the possibility of obtaining all parameters for each animal from simple measurements (glucose and insulin plasma levels). Moreover, the models allow to measure in vivo the different physiological processes involved in glucose homeostasis in animals: insulin secretion and its plasma clearance, absorption of insulin from a subcutaneous injection, the liver handling of glucose, intestine absorption of glucose, glucose uptake rate of insulin-independent tissues, glucose uptake rate of insulin-dependent tissues, and renal glucose excretion. PMID- 29217484 TI - The impact of protein interaction networks' characteristics on computational complex detection methods. AB - Protein complexes of physically interacting proteins play an important role in organizing various biological processes in the cell. Therefore, correctly identifying complexes is useful for deciphering the cellular mechanisms underlying many biological processes. Since the existing high-throughput techniques have produced a large amount of protein interactions, computational methods are useful complements to the experimental methods for detecting protein complexes. In this paper, we analyze six protein interaction networks widely used for protein complex detection, and compare the performance of six classic computational methods on them in order to find the impacts of network characteristics on the performances of these complex detection methods. Furthermore, we change topological characteristics of six protein interaction networks, and verify the findings by testing performances of six methods on new ones. We hope our study will not only help recognize the relations between characteristics of protein interaction networks and computational complex detection methods, but also provide valuable insight to improve the performance in protein complex detection area. PMID- 29217485 TI - Developmental origins of adult health and disease: The metabolic role of BDNF from early life to adulthood. AB - Accumulating evidence suggests that the origins of adult disease may occur during fetal life. Thus, the concept of "developmental programming" has been introduced and supported by epidemiological and experimental data. This concept supports the idea that the nutritional and hormonal status during pregnancy could interfere in metabolism control. The mechanisms responsible for this "developmental programming" remain poorly documented. Current research indicates that neurotrophins and particularly brain-derived neurotrophic factor (BDNF) may play a crucial role in this process. Although mainly expressed in the nervous system, BDNF and its receptor, tropomyosin-related kinase B (TrkB), are immunolocalized in several regions of the human placenta and have important functions during pregnancy. BDNF serves widespread roles in regulating energy homeostasis in both fetuses and adults, by controlling patterns of fetal growth, adult feeding and physical activity, and by regulating glucose metabolism in peripheral tissues. Impaired BDNF signaling may be implicated in the etiopathogenesis of the metabolic syndrome. Novel BDNF-focused interventions are being developed for obesity, diabetes and neurological disorders. The aim of this article is to provide a brief comprehensive literary review regarding the potential implications of BDNF in "developmental programming", through regulation of metabolism and energy balance from early life to adulthood. PMID- 29217486 TI - Aberrant promoter methylation in genes related to hematopoietic malignancy in workers exposed to a VOC mixture. AB - Occupational exposure to volatile organic compounds (VOCs) may cause hematopoietic malignancy, either by single exposure to benzene or possibly due to a concomitant exposure to several VOCs. Since oxidative stress, inflammation and DNA repair pathways are closely involved in cancer development, the effect of VOC exposure on expression of proteins involved in these pathways has been studied, but epigenetic changes have not been well described. Here, DNA methylation status following occupational exposure to a VOC mixture was assessed by bisulfite sequencing of the promoter regions of seven genes involved in the mentioned pathways. Peripheral blood samples and individual-level VOC exposure data were obtained from healthy leather shoe factory workers (LS, n=40) and gas station attendants (GS, n=36), as well as a reference group of university employees (C, n=66). Exposure levels for acetone, ethylbenzene, methyl ethyl ketone, n-hexane, toluene and xylene were higher in LS (p<0.001); benzene and methyl acetate levels were higher in GS (p<0.001). TOP2A, SOD1, and TNF-alpha promoter methylation status was increased in LS (p<0.05). In LS, we also found significant correlations between GSTP1 promoter methylation and both iNOS (r=0.37, p=0.008) and COX-2 (r=-0.38, p=0.007) methylation. In exposed groups, ethylbenzene exposure levels showed a significant correlation with TOP2A methylation (beta=0.33). Our results show early, toxic effects at the epigenetic level caused by occupational exposure to high levels of a VOC mixture. These subcellular modifications may represent the initial mechanism of toxicity leading to hematopoietic malignancy, possibly due to a synergistic, hematotoxic effect of VOC mixtures. PMID- 29217487 TI - Genistein and daidzein treatments differently affect uterine homeostasis in the ovary-intact middle-aged rats. AB - This study aimed to investigate the effects of soy isoflavones, genistein (GEN) and daidzein, (DAI) on the uterine function in ovary-intact middle-aged rats. GEN and DAI (35mg/kg) were subcutaneously administrated to acyclic (12-month-old) Wistar females, daily, for 4weeks. Control group received either vehicle (olive oil and ethanol, 9:1) or remained intact. We found that GEN and DAI differently affect uterine morphophysiology. GEN significantly increased the uterine wet weight which was associated with hyperplastic changes, revealed by stereological and histomorphometrical analyses. Also, PCNA immunoexpression was increased, whereas expression of apoptotic marker (caspase-3) was decreased. Protein and gene expressions of ERalpha were down-regulated, while PR and ERbeta were up regulated after GEN application. Also, GEN caused an increase of LAC and VEGF mRNA expression, together with an up-regulation of Akt activity. In contrast, DAI did not change the uterine wet weight and stereological features of the main uterine compartments as well as LAC and VEGF gene expression. Absence of hyperplastic changes were illustrated by an increase in caspase-3 immunoexpression, associated with reduced PCNA expression. DAI up-regulated only the expression of ERbeta, while the expression levels of ERalpha and PR remain unaffected. Also, DAI inhibited the activation of Akt due to down-regulation of phosphorylated and total form of Akt protein expression. Compared to GEN, DAI did not promote events associated with the endometrial cell proliferation in the conducted study, figuring as the compound with a potential safety profile, which justifies further investigation. PMID- 29217488 TI - Incomplete concordance of dopamine transporter Cre (DATIREScre)-mediated recombination and tyrosine hydroxylase immunoreactivity in the mouse forebrain. AB - Co-localization of the expression of the dopamine transporter (DAT) with the catecholamine synthesising enzyme tyrosine hydroxylase (TH) has been investigated using transgenic mice expressing Cre recombinase (Cre) dependent green fluorescent protein (GFP) under the control of the DAT promoter (DATIREScre/GFP). Brain sections from adult female mice were stained for Cre-induced GFP and TH using immunohistochemistry, revealing a high degree of co-expression in the midbrain dopaminergic neurons (A8-10) with the exception of the periaqueductal and dorsal raphe nuclei where dual-labelling was notably lower. In contrast, most of the rostral groups of TH-expressing neurons in the forebrain (A11, A13 - A15) showed little or no co-localization with Cre-induced GFP. Interestingly, a subpopulation of about 30% of the TH-immunoreactive neurons in the arcuate nucleus (A12) also express GFP staining. This observation supports the proposal that this hypothalamic cluster of dopaminergic neurons is neurochemically, and thus potentially functionally, heterogeneous. This study extends earlier literature focusing primarily on DAT expression in midbrain structures to demonstrate a heterogeneity of DAT and TH co-localization in forebrain neurons, particularly those in the hypothalamus. It also highlights the importance of carefully selecting and validating transgenic mouse lines when studying dopaminergic neurons. PMID- 29217489 TI - Fixed volume particle trace emission for the analysis of left atrial blood flow using 4D Flow MRI. AB - 4D Flow MRI has been used to quantify normal and deranged left ventricular blood flow characteristics on the basis of functionally distinct flow components. However, the application of this technique to the atria is challenging due to the presence of continuous inflow. This continuous inflow necessitates plane-based emission of particle traces from the inlet veins, leading to particles that represents different amounts of blood, and related quantification errors. The purpose of this study was to develop a novel fixed-volume approach for particle tracing and employ this method to develop quantitative analysis of 4D blood flow characteristics in the left atrium. 4D Flow MRI data were acquired during free breathing using a navigator-gated gradient-echo sequence in three volunteers at 1.5T. Fixed-volume particle traces emitted from the pulmonary veins were used to visualize left atrial blood flow and to quantitatively separate the flow into two functionally distinct flow components: Direct flow=particle traces that enter and leave the atrium in one heartbeat, Retained flow=particle traces that enter the atrium and remains there for one cardiac cycle. Flow visualization based on fixed volume traces revealed that, beginning in early ventricular systole, flow enters the atrium and engages with residual blood volume to form a vortex. In early diastole during early ventricular filling, the organized vortical flow is extinguished, followed by formation of a second transient atrial vortex. Finally, in late diastole during atrial contraction, a second acceleration of blood into the ventricle is seen. The direct and retained left atrial flow components were between 44 and 57% and 43-56% of the stroke volume, respectively. In conclusion, fixed-volume particle tracing permits separation of left atrial blood flow into different components based on the transit of blood through the atrium. PMID- 29217490 TI - Evaluation of pancreatic exocrine insufficiency by cine-dynamic MRCP using spatially selective inversion-recovery (IR) pulse: Correlation with severity of chronic pancreatitis based on morphological changes of pancreatic duct. AB - PURPOSE: To evaluate the correlation between the pancreatic exocrine insufficiency estimated by cine-dynamic MRCP using spatially selective IR pulse and the severity stages (modified Cambridge classification) based on morphological changes of the pancreatic duct in patients with suspected chronic pancreatitis. MATERIALS AND METHODS: Thirty-nine patients with suspected chronic pancreatitis underwent cine-dynamic MRCP with a spatially selective IR pulse. The secretion grading score (5-point scale) based on the moving distance of pancreatic juice inflow on cine-dynamic MRCP was assessed, and compared with the stage of the severity of chronic pancreatitis based on morphological changes of pancreatic duct. RESULT: The stage of the severity of chronic pancreatitis based on morphological changes had significant negative correlations with the secretion grade (r=-0.698, P<0.001). The secretion grading score of stage 4 was significantly lower than stage 1-3 (P<0.001, P=0.002, P=0.025, respectively). In all 19 patients in stage 4, the secretion grading score was <0.70. The secretion grading score of stage 1 was significantly higher than stage 2 and 4 (P=0.019, P<0.001, respectively). In stage 2, the secretion grading score was <0.70 in 8 (89%) of 9 patients showing pancreatic exocrine insufficiency. Conversely, in stage 3, the secretion grading score was >0.70 in 2 (33%) of 6 patients showing normal pancreatic exocrine function. CONCLUSION: It should be noted that the degree of morphological changes of pancreatic duct does not necessarily reflect the severity of pancreatic exocrine insufficiency at cine-dynamic MRCP in stage 2 3 chronic pancreatitis. PMID- 29217491 TI - Intravoxel incoherent motion diffusion-weighted imaging for the assessment of renal fibrosis of chronic kidney disease: A preliminary study. AB - PURPOSE: To investigate the potential of Intravoxel incoherent motion diffusion weighted imaging(IVIM-DWI) for the assessment of renal fibrosis in chronic kidney disease (CKD), using histopathology as a reference standard. METHODS: Eighty-five CKD patients and twenty healthy volunteers were recruited in this study. IVIM-DWI was performed in all of the participants, and all of the CKD patients underwent renal biopsy. The mean values of the true diffusion coefficient (D), pseudo diffusion coefficient (D*) and perfusion fraction (f) in the renal cortex and medulla were compared between the CKD patients and healthy volunteers. The Spearman correlation coefficient was calculated to assess the relationship between the D, D*,f values and the estimated glomerular filtration rate (eGFR), serum creatinine level (SCr), 24h urinary protein level (24h-UPRO), histopathological fibrosis scores. RESULTS: The D, D* and f values were significantly lower in medulla than in the cortex for all of the participants. All of the IVIM parameters were significantly lower in the CKD patients than in the healthy controls. In the CKD patients, a significant negative correlation was found between the renal parenchymal D, D*,f values and the 24h-UPRO, as well as between the renal parenchymal D, f values and the SCr. There was a significant positive correlation between all of the IVIM parameters and the eGFR. All of the IVIM parameters exhibited a significant negative correlation with the histopathological fibrosis score. CONCLUSION: IVIM-DWI shows great potential in the noninvasive assessment of renal fibrosis in CKD. PMID- 29217492 TI - The potential role of IDEAL MRI for identification of lipids and hemorrhage in carotid artery plaques. AB - Hemorrhage and lipid deposits contribute to instability in atherosclerotic plaques. Unstable carotid artery plaques can lead to cerebral ischemic events. While MRI studies have shown the ability to identify plaque components, the identification of hemorrhage and lipids has proven to be problematic. The purpose of this study was to quantitatively evaluate the potential of the MRI fat/water separation method known as iterative decomposition of water and fat with echo asymmetry and least squares estimation (IDEAL) to complement and improve existing methods for the identification of hemorrhage and lipids in carotid artery plaques. Fifteen asymptomatic subjects with 50-79% stenosis of at least one carotid artery were enrolled. Hemorrhage and lipid components within carotid plaques were identified using previously published criteria based on the multiple contrast-weighted (MCW) method (3D Time-of-Flight (3D-TOF), T1-Weighted (T1W) and T2-Weighted (T2W)). The hemorrhage:muscle, lipid:muscle and intra-plaque lipid:hemorrhage signal intensity ratios (SIR) and contrast to noise ratios (CNR) were measured on MCW and compared to IDEAL black-blood images. No differences were found between any of the MCW methods for any of the SIRs measured. The IDEAL Fat images had higher lipid:muscle and lipid/hemorrhage SIRs (p<0.001) compared to IDEAL Water and all MCW image sequence types. The mean values of IDEAL Fat hemorrhage:muscle SIR and CNR were nearly unity (1.1+/-0.6) and nearly zero (0.1+/-1.1), respectively. The IDEAL Water imaging was not significantly different than any of the MCW methods for any of the SIRs or for the hemorrhage:muscle CNR of 3D-TOF, while its CNRs were significantly higher than IDEAL Fat lipid:muscle (p<0.05) and lipid:hemorrhage (p<0.001) and all MCW methods (p<0.001). The addition of IDEAL Water and Fat imaging to the MCW method shows potential to improve the identification of hemorrhage and lipid structures in carotid artery plaques. PMID- 29217493 TI - Effects of proximity and noise level of phased array coil elements on overall signal-to-noise in parallel MR spectroscopy. AB - Parallel imaging using phased array coils facilitates accelerated magnetic resonance imaging (MRI) and spectroscopy (MRS). Parallel data reconstruction requires the combination of data from individual coil elements, but limited combination algorithms currently exist for higher-order phased arrays and MRS data. Here, we present a systematic framework for identifying coil proximity related signal inhomogeneities and noise levels in phased array coils that may affect sensitivity of parallel MRS. Single-voxel MRS was acquired in nine voxel positions in a brain spectroscopy phantom on a 3T whole-body MR scanner using commercially available 64-, 32-, and 20-channel phased array coils. Spectra produced by individual coil elements were combined using both a signal-to-noise ratio (SNR) threshold and based on the position of individual coil elements. SNR and metabolite Cramer-Rao lower bounds (CRLBs) from the final combined spectra were used as metrics to compare combination strategies and the effects of the phased array geometry and individual coil proximity. Comparisons were performed using one-way repeated measures ANOVA and post-hoc Tukey's range test (p<0.05). The 32-channel phased array coil produced the highest overall SNR compared to the 64-channel (p=0.0009) or 20-channel coils (p=0.003). Low SNR spectra from individual coil elements in the 64-channel coil can reduce the overall SNR when simply combining spectra from all elements. SNR varied significantly as a function of voxel position (F=58.3, p<0.0001) and SNR threshold for all phased arrays (p<0.05 for 64-, 32-, and 20-channel coils). Metabolite CRLBs were dependent on the combination strategy. We demonstrate the importance of the sampling voxel position and coil proximity on overall SNR in parallel MRS data acquisition, with significant SNR improvements after selectively filtering individual spectra based on pre-determined SNR thresholds which must be optimized for each phased array coil element and volume of interest. PMID- 29217494 TI - Regulation of the kynurenine metabolism pathway by Xiaoyao San and the underlying effect in the hippocampus of the depressed rat. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Xiaoyao San (XYS) is a classic Chinese herbal formula for treatment of depression. The present study aimed to investigate the antidepressant effects of XYS in a rat model of chronic unpredictable mild stress (CUMS) and the underlying mechanisms. MATERIALS AND METHODS: A CUMS rat model of depression was established via 4 weeks of unpredictable stimulation. Then the rats were orally administered paroxetine and XYS for 2 weeks with continued stress. Behavioral assessments, including an open field test (OFT), sucrose preference test (SPT) and forced swim test (FST), were conducted to evaluate the antidepressant effects of XYS. The concentrations in rat plasma of tryptophan (Trp) and its metabolic products, including kynurenine (Kyn) and quinolinic acid (QUIN), were determined using high performance liquid chromatography tandem mass spectrometry with electrochemical detection (HPLC-MS/MS). The mRNA and protein levels in rat hippocampus of depression-related brain derived neurotrophic factor (BDNF), cyclic AMP response element binding protein (CREB) and nerve cell adhesion molecule (NCAM) were determined by real-time qPCR and Western blot, respectively. Enzyme Linked Immunosorbent Assay (ELISA) was used to detect the activities of indoleamine 2,3-dioxygenase (IDO) and kynurenine-3-monooxygenase (KMO) in rat plasma. RESULTS: The results showed that a successful CUMS rat model was established through 4 weeks of continuous unpredictable stimulation, as indicated by the significant decrease in locomotor activity and increase in immobility time in the OFT, reduction in body weight and food intake etc. Compared with the normal group, the concentrations of Kyn and QUIN had significantly (p < 0.05) decreased at day 28 in the control group, but then improved after drug treatment with paroxetine and XYS. There were no obvious changes in the activities of IDO and KMO. Compared with the normal group, the mRNA of NCAM, CREB and BDNF were significantly down-regulated (p < 0.001) in the control group, BDNF gene was up-regulated by paroxetine or XYS treatment, NCAM and CREB gene did not change in XYS group, protein expressions of BDNF and CREB were significantly increased, and NCAM was significantly reduced (p < 0.05). CONCLUSIONS: XYS reversed the abnormalities of the tryptophan-kynurenine metabolic pathways in depressed rats and achieved an excellent antidepressant effect. Its direct impact may be observed as changes in biological indicators in rat hippocampus tissue. PMID- 29217495 TI - Efficacy of Violet oil, a traditional Iranian formula, in patients with chronic insomnia: A randomized, double-blind, placebo-controlled study. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Violet oil is an ancient herbal drug which has been extensively used to treat insomnia in traditional Iranian Medicine clinics. Violet oil is an almond or sesame oil-based extract of Viola odorata, which is administered as nasal drops. This study aimed to evaluate the efficacy of Violet oil in the treatment of insomnia. METHODS AND MATERIALS: This study was conducted as a 3-arm double-blind randomized trial. A total of 75 patients with chronic insomnia were enrolled and randomly assigned to three groups in Traditional Iranian Medicine Clinic of Mashhad University of Medical Sciences, Mashhad, Iran. The treatment consisted of intranasal dropping of Violet oil, Almond oil or placebo (1% solution of Carboxymethyl cellulose) in each nostril every night before sleep for 30 days, i.e. three drops of the drug (including either Violet oil or Almond oil) or the placebo was used every night before the sleep. All the patients were asked to complete Pittsburgh Sleep Quality Index (PSQI) and Insomnia Severity Index (ISI) questionnaires before and after the intervention. RESULTS: There were no significant differences between patients in the three groups before the intervention (P > 0.05). However, there were significant differences between the three groups after the intervention in ISI scores (P<0.002) and PSQI scores (p<0.001). When comparing the pre- and post-treatment data, the ISI and PSQI scores improved significantly in all the three groups as follows: Violet oil (P<0.001), Almond oil (P<0.001) and placebo (P<0.001). The results also showed that the Violet oil had the most effect among the three groups. In addition, it was more effective on sleep quality than sleep quantity. CONCLUSION: Considering the effects of natural nasal drug on the improvement of sleep quality in insomniac patients, this study has proposed the use of Violet oil as a natural and herbal drug in a non-oral method without serious side effects for treatment of insomnia. PMID- 29217496 TI - Protective action of Crateva nurvala Buch. Ham extracts against renal ischaemia reperfusion injury in rats via antioxidant and anti-inflammatory activities. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Crateva nurvala stem bark is commonly used in Ayruveda in treatment of many renal injuries, e.g., urinary lithiasis, diuretic and nephroprotective. However, its protective effect against renal ischaemia/reperfusion, the major cause of acute kidney injury, has never been studied. Moreover, no comprehensive chemical profiling of its extracts was recorded. AIM OF THE STUDY: Assessment of the protective effect of the plant extracts against renal ischaemia/reperfusion and elucidation of the possible mechanism of action. Then, to determine its bioactive constituents using modern UPLC-HRMS technique. MATERIAL AND METHODS: Unilateral ischaemia was induced by clamping the left renal artery for 1h then reperfusion for 24h. Rats were divided in 4 groups: i) sham-operated group, ii) ischaemia/reperfusion, I/R group, iii) I/R protected by previous administration of Crateva leaves extract, CLE group and iv) I/R protected by previous administration of Crateva bark extract, CBE group. At the end of reperfusion, blood samples were analyzed for renal function biomarkers. Kidneys were examined histopathologically and their homogenates were used in determining the intracellular levels of oxidative stress, inflammatory, and apoptosis markers. RESULTS: Leaves and bark extracts attenuated the deleterious effects of I/R apparent in reducing LDH, creatinine and blood urea nitrogen levels. The extracts reduced the oxidative stress by replenishing the glutathione levels and Nrf2 factor levels. Moreover, extracts decreased levels of pro-inflammatory TNF-alpha, NF-kappabeta and IL-6; which ultimately resulted in reducing the pro-apoptotic caspase-3. Bark and leave extracts have quite similar chemical profile where 42 compounds of various chemical classes were identified. Flavonoids are the major class of the bioactive phytochemicals CONCLUSION: C. nurvala extracts had effectively ameliorated the deleterious effects of renal I/R by mainly counteracting oxidative stress and presumably inflammation. Consequently, it can be used as a complementary treatment with other agents. In this aspect, leaves stand as a sustainable alternative to bark. The presented chemical profiling can be used in future standardization and quality control of the drug. PMID- 29217497 TI - Prevalence of hyperdense paraspinal vein sign in patients with spontaneous intracranial hypotension without dural CSF leak on standard CT myelography. AB - PURPOSE: A recently identified and treatable cause of spontaneous intracranial hypotension (SIH) is cerebrospinal fluid (CSF)-venous fistula, and a recently described computed tomography myelogram (CTM) finding highly compatible with but not diagnostic of this entity is the hyperdense paraspinal vein sign. We aimed to retrospectively measure the prevalence of the hyperdense paraspinal vein sign on CTMs in SIH patients without dural CSF leak, in comparison with control groups. METHODS: Three CTM groups were identified: 1) SIH study group, which included dural CSF leak-negative standard CTMs performed for SIH, with early and delayed imaging; 2) Early control CTMs, which were performed for indications other than SIH, with imaging shortly after intrathecal contrast administration; 3) Delayed control CTMs, which included delayed imaging. CTMs were retrospectively reviewed for the hyperdense paraspinal vein sign by experienced neuroradiologists, blinded to the group assignment. All CTMs deemed by a single reader to be positive for the hyperdense paraspinal vein sign were independently reviewed by two additional neuroradiologists; findings were considered positive only if consensus was present among all three readers. For positive cases, noncontrast CTs and prior CTMs, if available, were reviewed for the presence of the sign. RESULTS: Seven of 101 (7%) SIH patients had contrast in a spinal/paraspinal vein consistent with the hyperdense paraspinal vein sign; no patient in either control group (total n=54) demonstrated the hyperdense paraspinal vein sign (P = 0.0463). The finding occurred only at thoracic levels. Each patient had a single level of involvement. Six (86%) occurred on the right. Four occurred in female patients (57%). The sign was seen on early images in 3 of 7 cases (43%) and on both early and delayed images in 4 of 7 cases (57%). In 2 of 7 patients (29%), a noncontrast CT covering the relevant location was available and negative for the sign. A prior CTM was available in 2 of 7 patients (29%), and in both cases the hyperdense paraspinal vein sign was also evident. CONCLUSION: The prevalence of the hyperdense paraspinal vein sign in SIH patients with dural CSF leak-negative standard CTM was 7%. As the sign was not seen in control groups, this sign is highly compatible with the presence of CSF-venous fistula. Since the CTMs were not specifically dedicated to identifying hyperdense paraspinal veins (i.e., they were not dynamic and were not preceded by digital subtraction myelography), the true prevalence of the sign may be higher. Radiologists should scrutinize conventional CTMs for this sign, especially in patients in whom a traditional dural CSF leak is not identified. PMID- 29217498 TI - Sirolimus-Induced Hepatitis in Two Patients with Hyperinsulinemic Hypoglycemia AB - Sirolimus has been reported to be effective in the treatment of the diffuse form of congenital hyperinsulinism (CHI), unresponsive to diazoxide and octreotide, without causing severe side effects. Two newborns with CHI due to homozygous ABCC8 gene mutations were started on sirolimus aged 21 and 17 days, due to lack of response to medical treatment. A good response to sirolimus was observed. At follow-up after ten and two months of treatment, liver enzymes were found to be increased [serum sirolimus level 1.4 ng/mL (normal range: 5-15), aspartate aminotransferase (AST): 298U/L, alanine aminotransferase (ALT): 302U/L and serum sirolimus level: 9.9 ng/mL, AST: 261U/L, ALT: 275U/L, respectively]. In Case 1, discontinuation of the drug resulted in normalization of liver enzymes within three days. Two days after normalization, sirolimus was restarted at a lower dose, which resulted in a repeated increase in transferases. In Case 2, a reduction of sirolimus dose caused normalization of liver enzymes within ten days. When the dose was increased, enzymes increased within three days. Sirolimus was discontinued in both cases.The rapid normalization of liver enzyme levels after sirolimus withdrawal or dose reduction; elevation of transaminases after restart or dose increase and rapid normalization after sirolimus withdrawal were findings strongly suggestive of sirolimus-induced hepatitis.To the best of our knowledge, this is the first report of sirolimus-induced hepatitis in CHI. Sirolimus is a promising drug for CHI patients who are unresponsive to medical treatment, but physicians should be vigilant for adverse effects on liver function. PMID- 29217499 TI - Severe Early Onset Obesity due to a Novel Missense Mutation in Exon 3 of the Leptin Gene in an Infant from Northwest India AB - Monogenic obesity, caused by mutations in one of the genes involved in the control of hunger and satiety, is a rare cause of early onset obesity (EOO). The most common of the single gene alterations affect the leptin gene (LEP), resulting in congenital leptin deficiency that manifests as intense hyperphagia, EOO and severe obesity associated with hormonal and metabolic alterations. Only eight mutations of (LEP associated with congenital leptin deficiency have been described in humans to date. In this study, we report a novel, homozygous, missense mutation in exon 3 of the (LEP gene (chr7:127894610;c.298G>A) resulting in the amino acid substitution of asparagine for aspartic acid at codon 100 (p.Asp100Asn) in a 10-month-old infant who presented to us with severe hyperphagia and EOO. She was subsequently found to have low serum leptin concentrations. Additionally, a homozygous missense variation of unknown significance in exon 11 of Bardet-Biedl syndrome-1 gene (chr11:66291279; G>A; Depth 168x) was detected. Significant abnormalities of lipid parameters were also present in our patient. Both parents were thin but there was a family history suggestive of EOO in a paternal uncle and a cousin. In conclusion, we report the second patient from India with a novel mutation of the (LEP gene associated with severe obesity. PMID- 29217500 TI - Peripheral Neuropathy as a Complication of Diabetic Ketoacidosis in a Child with Newly Diagnosed Diabetes Type 1: A Case Report AB - Neurological complications of diabetic ketoacidosis are considered to be a serious clinical problem. The most common complication is cerebral edema. However, these neurological complications also include less common entities such as ischemic or hemorrhagic stroke, cerebral venous and sinus thrombosis or peripheral neuropathy.We present a case of a 9-year old girl admitted to our intensive care unit with new onset type 1 diabetes, diabetic ketoacidosis, cerebral edema, multifocal vasogenic brain lesions and bilateral lower limb peripheral paresis. The patient developed polydipsia and polyuria one week before admission. The initial blood glucose level was 1136 mg/dL and severe acidosis was present (pH 7.1; BE-25.9). Computed tomography scan showed brain edema and a hypodense lesion in the left temporal region. Brain magnetic resonance imaging revealed more advanced multifocal brain lesions. Nerve conduction studies demonstrated damage of the motor neurons in both lower limbs with dysfunction in both peroneal nerves and the right tibial nerve. With treatment and physiotherapy, the patient's health gradually improved.Acute neuropathy after ketoacidosis is a rare complication and its pathogenesis is not clear. Patients with diabetic ketoacidosis require careful monitoring of neurological function, even after normalization of their glycemic parameters. PMID- 29217501 TI - A Peer-Led Electronic Mental Health Recovery App in an Adult Mental Health Service: Study Protocol for a Pilot Trial. AB - BACKGROUND: There is growing demand for peer workers (people who use their own lived experience to support others in their recovery) to work alongside consumers to improve outcomes and recovery. Augmenting the workforce with peer workers has strong capacity to enhance mental health and recovery outcomes and make a positive contribution to the workforce within mental health systems and to the peer workers themselves. Technology-based applications are highly engaging and desirable methods of service delivery. OBJECTIVE: This project is an exploratory proof-of-concept study, which aims to determine if a peer worker-led electronic mental (e-mental) health recovery program is a feasible, acceptable, and effective adjunct to usual treatment for people with moderate to severe mental illness. METHODS: The study design comprises a recovery app intervention delivered by a peer worker to individual consumers at an adult mental health service. Evaluation measures will be conducted at post-intervention. To further inform the acceptability and feasibility of the model, consumers will be invited to participate in a focus group to discuss the program. The peer worker, peer supervisor, and key staff at the mental health service will also be individually interviewed to further evaluate the feasibility of the program within the health service and further inform its future development. RESULTS: The program will be delivered over a period of approximately 4 months, commencing June 2017. CONCLUSIONS: If the peer worker-led recovery app is found to be feasible, acceptable, and effective, it could be used to improve recovery in mental health service consumers. PMID- 29217502 TI - The Impact of a Mobile Diabetes Health Intervention on Diabetes Distress and Depression Among Adults: Secondary Analysis of a Cluster Randomized Controlled Trial. AB - BACKGROUND: Diabetes is a complex, demanding disease that requires the constant attention of patients. The burden of self-management, including different medication regimens, routine self-care activities, and provider visits, has an impact on patients' emotional well-being. Diabetes distress and depression are two important components of emotional well-being that may negatively affect diabetes outcomes. OBJECTIVE: The aim was to determine the impact of the 1-year Mobile Diabetes Intervention Study cluster randomized clinical trial on emotional well-being measured by diabetes distress and depression among adults with type 2 diabetes (T2D). METHODS: A total of 163 adults with not-well-managed T2D were enrolled from community primary care practices. Primary care practices were cluster randomized into either a usual care control group or intervention group. Intervention participants were given a mobile phone with coaching software including a Web portal to communicate with providers. A priori established secondary outcomes included distress measured by the Diabetes Distress Scale (DDS), with subscales measuring emotional burden, interpersonal distress, physician-related distress, and regimen-related distress, as well as depression measured by the Patient Health Questionnaire (PHQ-9). Linear mixed models were used to calculate the effect of the intervention on diabetes distress levels over time, both overall and separately by sex, and to determine if the intervention affected distress or depression. The impact of total DDS on changes in HbA1c was also studied. RESULTS: There were no significant treatment group effects for DDS total (baseline: P=.07; differences over time: P=.38) or for depression (P=.06 over time). Significant declines in total DDS were observed over the 12-month intervention period (P=.01). Regimen-related distress significantly decreased for all study participants (P<.001), but no significant change over time was observed for emotional burden (P=.83), interpersonal distress (P=.64), or physician related distress (P=.73). Women in both the usual care and intervention groups were more likely to have higher overall DDS, emotional burden, physician-related distress, and regimen-related distress, but not interpersonal distress. Women also reported higher baseline depression compared to men (P=.006). Overall, depression decreased over the treatment period (P=.007), but remained unaffected by group assignment (P=.06) or by sex (P=.97). Diabetes distress had no effect on the change in HbA1c (P=.91) over the treatment period. CONCLUSIONS: Although we found no definitive overall or sex-specific effect of the intervention on diabetes distress or depression, this study makes an important contribution to the understanding of mobile health interventions and the impact on emotional health. Our study verified previous work that although diabetes distress and depression are highly correlated, these measures are not evaluating the same construct. Design of future mobile technology provides an opportunity to personalize, contextualize, and intervene in the emotional well-being of persons with diabetes. TRIAL REGISTRATION: Clinicaltrials.gov NCT01107015; https://clinicaltrials.gov/ct2/show/NCT01107015 (Archived by WebCite at http://www.webcitation.org/6vVgRCLAF). PMID- 29217503 TI - Impact of an Electronic Health Record-Integrated Personal Health Record on Patient Participation in Health Care: Development and Randomized Controlled Trial of MyHealthKeeper. AB - BACKGROUND: Personal health record (PHR)-based health care management systems can improve patient engagement and data-driven medical diagnosis in a clinical setting. OBJECTIVE: The purpose of this study was (1) to demonstrate the development of an electronic health record (EHR)-tethered PHR app named MyHealthKeeper, which can retrieve data from a wearable device and deliver these data to a hospital EHR system, and (2) to study the effectiveness of a PHR data driven clinical intervention with clinical trial results. METHODS: To improve the conventional EHR-tethered PHR, we ascertained clinicians' unmet needs regarding PHR functionality and the data frequently used in the field through a cocreation workshop. We incorporated the requirements into the system design and architecture of the MyHealthKeeper PHR module. We constructed the app and validated the effectiveness of the PHR module by conducting a 4-week clinical trial. We used a commercially available activity tracker (Misfit) to collect individual physical activity data, and developed the MyHealthKeeper mobile phone app to record participants' patterns of daily food intake and activity logs. We randomly assigned 80 participants to either the PHR-based intervention group (n=51) or the control group (n=29). All of the study participants completed a paper-based survey, a laboratory test, a physical examination, and an opinion interview. During the 4-week study period, we collected health-related mobile data, and study participants visited the outpatient clinic twice and received PHR based clinical diagnosis and recommendations. RESULTS: A total of 68 participants (44 in the intervention group and 24 in the control group) completed the study. The PHR intervention group showed significantly higher weight loss than the control group (mean 1.4 kg, 95% CI 0.9-1.9; P<.001) at the final week (week 4). In addition, triglyceride levels were significantly lower by the end of the study period (mean 2.59 mmol/L, 95% CI 17.6-75.8; P=.002). CONCLUSIONS: We developed an innovative EHR-tethered PHR system that allowed clinicians and patients to share lifelog data. This study shows the effectiveness of a patient-managed and clinician-guided health tracker system and its potential to improve patient clinical profiles. TRIAL REGISTRATION: ClinicalTrials.gov NCT03200119; https://clinicaltrials.gov/ct2/show/NCT03200119 (Archived by WebCite at http://www.webcitation.org/6v01HaCdd). PMID- 29217504 TI - Challenges During Implementation of a Patient-Facing Mobile App for Surgical Rehabilitation: Feasibility Study. AB - BACKGROUND: Translating research into practice, especially the implementation of digital health technologies in routine care, is increasingly important. Yet, there are few studies examining the challenges of implementing patient-facing digital technologies in health care settings. OBJECTIVE: The aim of this study was to report challenges experienced when implementing mobile apps for patients to support their postsurgical rehabilitation in an orthopedic setting. METHODS: A mobile app was tailored to the needs of patients undergoing rotator cuff repair. A 30-min usability session and a 12-week feasibility study were conducted with patients to evaluate the app in routine care. Implementation records (observation reports, issues log, and email correspondence) explored factors that hindered or facilitated patient acceptance. Interviews with clinicians explored factors that influenced app integration in routine care. RESULTS: Participant completion was low (47%, 9/19). Factors that affected patient acceptance included digital literacy, health status, information technology (IT) infrastructure at home, privacy concerns, time limitations, the role of a caregiver, inconsistencies in instruction received from clinicians and the app, and app advice not reflective of patient progress over time. Factors that negatively influenced app integration in routine care included competing demands among clinicians, IT infrastructure in health care settings, identifying the right time to introduce the app to patients, user interface complexity for older patients, lack of coordination among multidisciplinary clinicians, and technical issues with app installation. CONCLUSIONS: Three insights were identified for mobile app implementation in routine care: (1) apps for patients need to reflect their journey over time and in particular, postoperative apps ought to be introduced as part of preoperative care with opportunities for patients to learn and adopt the app during their postoperative journey; (2) strategies to address digital literacy issues among patients and clinicians are essential; and (3) impact of the app on patient outcomes and clinician workflow needs to be communicated, monitored, and reviewed. Lastly, digital health interventions should supplement but not replace patient interaction with clinicians. PMID- 29217506 TI - Leading doctors back legal action to force UK government to cut carbon emissions. PMID- 29217505 TI - Eating disorders in children and young people. PMID- 29217507 TI - Multidisciplinary Approach to Understand Medial Arterial Calcification. AB - OBJECTIVE: Vascular calcification significantly increases morbidity in life threatening diseases, and no treatments are available because of lack of understanding of the underlying molecular mechanism. Here, we study the physicochemical details of mineral nucleation and growth in an animal model that faithfully recapitulates medial arterial calcification in humans, to understand how pathological calcification is initiated on the vascular extracellular matrix. APPROACH AND RESULTS: MGP (matrix Gla protein) is a potent mineralization inhibitor. We study the evolution of medial calcification in MGP-deficient mice over the course of 5 weeks using a combination of material science techniques and find that mineral composition and crystallinity evolve over time and space. We show that calcium is adsorbed first and then amorphous calcium phosphate and octacalcium phosphate forms, which then transform into hydroxyapatite and carbonated apatite. These events are repeated after each nucleation event, providing a snapshot of the overall mineral evolution at each time point analyzed. CONCLUSIONS: Our results show that an interdisciplinary approach combining animal models and materials science can provide insights into the mechanism of vascular calcification and suggest the importance of analyzing mineral phases, rather than just overall mineralization extent, to diagnose and possibly prevent disease development. PMID- 29217508 TI - IL-1beta (Interleukin-1beta) and TNF-alpha (Tumor Necrosis Factor-alpha) Impact Abdominal Aortic Aneurysm Formation by Differential Effects on Macrophage Polarization. AB - OBJECTIVE: Abdominal aortic aneurysms are inflammatory in nature and are associated with some risk factors that also lead to atherosclerotic occlusive disease, most notably smoking. The purpose of our study was to identify differential cytokine expression in patients with abdominal aortic aneurysm and those with atherosclerotic occlusive disease. Based on this analysis, we further explored and compared the mechanism of action of IL (interleukin)-1beta versus TNF-alpha (tumor necrosis factor-alpha) in abdominal aortic aneurysm formation. APPROACH AND RESULTS: IL-1beta was differentially expressed in human plasma with lower levels detected in patients with abdominal aortic aneurysm compared with matched atherosclerotic controls. We further explored its mechanism of action using a murine model and cell culture. Genetic deletion of IL-1beta and IL-1R did not inhibit aneurysm formation or decrease MMP (matrix metalloproteinase) expression. The effects of IL-1beta deletion on M1 macrophage polarization were compared with another proinflammatory cytokine, TNF-alpha. Bone marrow-derived macrophages from IL-1beta-/- and TNF-alpha-/- mice were polarized to an M1 phenotype. TNF-alpha deletion, but not IL-1beta deletion, inhibited M1 macrophage polarization. Infusion of M1 polarized TNF-alpha-/- macrophages inhibited aortic diameter growth; no inhibitory effect was seen in mice infused with M1 polarized IL-1beta-/- macrophages. CONCLUSIONS: Although IL-1beta is a proinflammatory cytokine, its effects on aneurysm formation and macrophage polarization differ from TNF-alpha. The differential effects of IL-1beta and TNF-alpha inhibition are related to M1/M2 macrophage polarization and this may account for the differences in clinical efficacy of IL-1beta and TNF-alpha antibody therapies in management of inflammatory diseases. PMID- 29217510 TI - Loss of Vascular Myogenic Tone in miR-143/145 Knockout Mice Is Associated With Hypertension-Induced Vascular Lesions in Small Mesenteric Arteries. AB - OBJECTIVE: Pressure-induced myogenic tone is involved in autoregulation of local blood flow and confers protection against excessive pressure levels in small arteries and capillaries. Myogenic tone is dependent on smooth muscle microRNAs (miRNAs), but the identity of these miRNAs is unclear. Furthermore, the consequences of altered myogenic tone for hypertension-induced damage to small arteries are not well understood. APPROACH AND RESULTS: The importance of smooth muscle-enriched microRNAs, miR-143/145, for myogenic tone was evaluated in miR 143/145 knockout mice. Furthermore, hypertension-induced vascular injury was evaluated in mesenteric arteries in vivo after angiotensin II infusion. Myogenic tone was abolished in miR-143/145 knockout mesenteric arteries, whereas contraction in response to calyculin A and potassium chloride was reduced by ~30%. Furthermore, myogenic responsiveness was potentiated by angiotensin II in wild-type but not in knockout mice. Angiotensin II administration in vivo elevated systemic blood pressure in both genotypes. Hypertensive knockout mice developed severe vascular lesions characterized by vascular inflammation, adventitial fibrosis, and neointimal hyperplasia in small mesenteric arteries. This was associated with depolymerization of actin filaments and fragmentation of the elastic laminae at the sites of vascular lesions. CONCLUSIONS: This study demonstrates that miR-143/145 expression is essential for myogenic responsiveness. During hypertension, loss of myogenic tone results in potentially damaging levels of mechanical stress and detrimental effects on small arteries. The results presented herein provide novel insights into the pathogenesis of vascular disease and emphasize the importance of controlling mechanical factors to maintain structural integrity of the vascular wall. PMID- 29217511 TI - Make detaining patients who can't pay their medical bills illegal. PMID- 29217509 TI - Macrophage-Associated Lipin-1 Enzymatic Activity Contributes to Modified Low Density Lipoprotein-Induced Proinflammatory Signaling and Atherosclerosis. AB - OBJECTIVE: Macrophage proinflammatory responses induced by modified low-density lipoproteins (modLDL) contribute to atherosclerotic progression. How modLDL causes macrophages to become proinflammatory is still enigmatic. Macrophage foam cell formation induced by modLDL requires glycerolipid synthesis. Lipin-1, a key enzyme in the glycerolipid synthesis pathway, contributes to modLDL-elicited macrophage proinflammatory responses in vitro. The objective of this study was to determine whether macrophage-associated lipin-1 contributes to atherogenesis and to assess its role in modLDL-mediated signaling in macrophages. APPROACH AND RESULTS: We developed mice lacking lipin-1 in myeloid-derived cells and used adeno-associated viral vector 8 expressing the gain-of-function mutation of mouse proprotein convertase subtilisin/kexin type 9 (adeno-associated viral vector 8 proprotein convertase subtilisin/kexin type 9) to induce hypercholesterolemia and plaque formation. Mice lacking myeloid-associated lipin-1 had reduced atherosclerotic burden compared with control mice despite similar plasma lipid levels. Stimulation of bone marrow-derived macrophages with modLDL activated a persistent protein kinase Calpha/betaII-extracellular receptor kinase1/2-jun proto-oncogene signaling cascade that contributed to macrophage proinflammatory responses that was dependent on lipin-1 enzymatic activity. CONCLUSIONS: Our data demonstrate that macrophage-associated lipin-1 is atherogenic, likely through persistent activation of a protein kinase Calpha/betaII-extracellular receptor kinase1/2-jun proto-oncogene signaling cascade that contributes to foam cell proinflammatory responses. Taken together, these results suggest that modLDL induced foam cell formation and modLDL-induced macrophage proinflammatory responses are not independent consequences of modLDL stimulation but rather are both directly influenced by enhanced lipid synthesis. PMID- 29217512 TI - Hospital gardens are making a comeback. PMID- 29217513 TI - Seven days in medicine: 29 November to 5 December 2017. PMID- 29217514 TI - Editors' note: Novel ocular toxicity associated with fibroblast growth factor receptor (FGFR) inhibitors in cancer treatment: observational case series. PMID- 29217515 TI - Choroidal neovascular membrane in paediatric patients: clinical characteristics and outcomes. AB - PURPOSE: To analyse the clinical characteristics and treatment outcomes of choroidal neovascular membranes (CNVM) in paediatric subjects at three paediatric retina referral centres. METHODS: Medical charts of patients aged 18 years or less with a diagnosis of CNVM were retrospectively reviewed. The demographic profile, laterality, presenting complaint, corrected vision, underlying pathology, fundus, fundus fluorescein angiogram and optical coherence tomogram (OCT) were analysed. CNVM type, frequency, treatment indications, recurrences and final visual acuity were noted. RESULTS: There were a total of 35 subjects (43 eyes) with a mean age of 11.2 years. The CNVMs were mostly type 2 (90.0%), classic (90.9%), subfoveal (59.09%) and active (84.1%). Best vitelliform macular dystrophy was found to be the most common association (32.5%). Intravitreal injection of an anti-vascular endothelial growth factor (VEGF) agent was the initial therapy of choice in all. Eyes with CNVMs responsive to anti-VEGF alone required a mean of 2.11 injections. Patients with recurrent disease (21.21%) had an average of 1.14 episodes per eye. While 50% of recurrent CNVMs stabilised with repeat anti-VEGF treatment, the remaining patients required photodynamic therapy, laser or surgery. CONCLUSION: Paediatric CNVMs in this series differed from those in the adult population with regard to aetiology, OCT and angiographic characteristics, treatment response and rate of recurrence. PMID- 29217516 TI - Care planning meetings can aid communication with patient and family. PMID- 29217517 TI - Assessment of child or young person with a possible eating disorder. PMID- 29217518 TI - Enhancement of mammary tumour growth by IGFBP-3 involves impaired T cell accumulation. AB - Epidemiological studies show an association between obesity and poor breast cancer prognosis. We previously demonstrated that global IGFBP-3 deficiency, in IGFBP-3-null mice, resulted in a 50% reduction in mammary tumour growth over 3 weeks relative to tumours in wild-type (WT) C57BL/6 mice. This growth reduction was ameliorated by high fat feeding-induced obesity. This study aimed to examine how IGFBP-3 promotes tumour growth by influencing the immune tumour microenvironment in healthy and obese mice. Syngeneic EO771 cells, which lack detectable IGFBP-3 expression, were grown as orthotopic tumours in WT and IGFBP-3 null C57BL/6 mice placed on either a control chow or a high-fat diet (HFD), and examined by quantitative PCR and immunohistochemistry. In WT mice, increased stromal expression of IGFBP-3 was positively associated with tumour growth, supporting the hypothesis that IGFBP-3 in the microenvironment promotes tumour progression. Examining markers of immune cell subsets, gene expression of Ifng, Cd8a, Cd8b1 and Tnf and CD8 measured by immunohistochemistry were elevated in tumours of IGFBP-3-null mice compared to WT, indicating an accumulation of CD8+ T cells, but this increase was absent if the IGFBP-3-null mice had been exposed to HFD. Expression of these genes was negatively associated with tumour growth. Although similar among groups overall, Nkg2d and Tnfsf10 tumoural expression was associated with decreased tumour growth. Overall, the results of this study provide an immune-based mechanism by which host IGFBP-3 may promote breast tumour growth in the EO771 murine breast cancer model, and suggest that targeting IGFBP 3 might make a novel contribution to immune therapy for breast cancer. PMID- 29217519 TI - Conscientious objection in sexual and reproductive health - a guideline that respects diverse views but emphasises patients' rights. PMID- 29217520 TI - Alex Azar: critics cry "revolving door" as Trump picks pharma executive for top US health job. PMID- 29217521 TI - Laser Balloon or Wide-Area Circumferential Irrigated Radiofrequency Ablation for Persistent Atrial Fibrillation: A Multicenter Prospective Randomized Study. AB - BACKGROUND: Pulmonary vein isolation is the cornerstone of ablation for persistent atrial fibrillation (AF). The role of balloon catheters in this patient population remains ill defined. We sought to compare efficacy and safety of the laser balloon (LB) with wide-area circumferential pulmonary vein isolation using irrigated radiofrequency current (RF) ablation and 3-dimensional mapping. METHODS AND RESULTS: In 6 European centers, patients with persistent AF were prospectively randomized. Follow-up included 3-day Holter ECG recordings and office visits at 3, 6, and 12 months. The primary efficacy end point was freedom from AF between 90 and 365 days after a single ablation. The primary safety end point was the incidence of any periprocedural complications. Of 152 enrolled patients, 134 (n=68 LB and 66 RF; 63% men; mean age, 66+10 years) with persistent AF (median AF history, 14 months; Q1-Q3, 7-36 months) underwent pulmonary vein isolation and completed the entire follow-up. Baseline parameters were similar in both groups. Procedure and fluoroscopy times were similar in both groups (135+/ 38 and 14+/-9 minutes (LB) versus 128+/-51 and 11+/-9 minutes). The primary efficacy end point was met by 71.2% versus 69.3%, in the LB and RF groups, respectively (P=0.40). In the LB group, stroke (n=1), a false aneurysm (n=1), and phrenic nerve palsy (n=1) were observed. In the RF group, 2 patients developed a false aneurysm, and 1 patient needed surgical repair. CONCLUSIONS: An LB-guided strategy was associated with similar efficacy as wide-area circumferential pulmonary vein isolation using irrigated RF in patients with persistent AF. CLINICAL TRIAL REGISTRATION: https://www.clinicaltrials.org. Unique identifier: NCT01863472. PMID- 29217522 TI - Drosophila Syd-1 Has RhoGAP Activity That Is Required for Presynaptic Clustering of Bruchpilot/ELKS but Not Neurexin-1. AB - Syd-1 proteins are required for presynaptic development in worm, fly, and mouse. Syd-1 proteins in all three species contain a Rho GTPase activating protein (GAP) like domain of unclear significance: invertebrate Syd-1s are thought to lack GAP activity, and mouse mSYD1A has GAP activity that is thought to be dispensable for its function. Here, we show that Drosophila melanogaster Syd-1 can interact with all six fly Rhos and has GAP activity toward Rac1 and Cdc42. During development, fly Syd-1 clusters multiple presynaptic proteins at the neuromuscular junction (NMJ), including the cell adhesion molecule Neurexin (Nrx-1) and the active zone (AZ) component Bruchpilot (Brp), both of which Syd-1 binds directly. We show that a mutant form of Syd-1 that specifically lacks GAP activity localizes normally to presynaptic sites and is sufficient to recruit Nrx-1 but fails to cluster Brp normally. We provide evidence that Syd-1 participates with Rac1 in two separate functions: (1) together with the Rac guanine exchange factor (RacGEF) Trio, GAP active Syd-1 is required to regulate the nucleotide-bound state of Rac1, thereby promoting Brp clustering; and (2) Syd-1, independent of its GAP activity, is required for the recruitment of Nrx-1 to boutons, including the recruitment of Nrx-1 that is promoted by GTP-bound Rac1. We conclude that, contrary to current models, the GAP domain of fly Syd-1 is active and required for presynaptic development; we suggest that the same may be true of vertebrate Syd-1 proteins. In addition, our data provide new molecular insight into the ability of Rac1 to promote presynaptic development. PMID- 29217525 TI - Integration of Mobile Devices to Facilitate Patient Care and Teaching During Family-Centered Rounds. AB - OBJECTIVES: The increasing prevalence of mobile devices in clinical settings has the potential to improve both patient care and education. The benefits are particularly promising in the context of family-centered rounds in inpatient pediatric settings. We aimed to increase mobile device usage by inpatient rounding teams by 50% in 6 months. We hoped to demonstrate that use of mobile devices would improve access to patient care and educational information and to determine if use would improve efficiency and perceptions of clinical teaching. METHODS: We designed a mixed-methods study involving pre- and post-implementation surveys to residents, families, and faculty as well as direct observations of family-centered rounds. We conducted rapid cycles of continual quality improvement by using the Plan-Do-Study-Act framework involving 3 interventions. RESULTS: Pre-intervention, the mobile computing cart was used for resident education on average 3.3 times per rounding session. After cycle 3, teaching through the use of mobile devices increased by ~79% to 5.9 times per rounding session. On the basis of survey data, we determined there was a statistically significant increase in residents' perception of feeling prepared for rounds, receiving teaching on clinical care, and ability to teach families. Additionally, average time spent per patient on rounds decreased after implementation of mobile devices. CONCLUSIONS: Integration of mobile devices into a pediatric hospital medicine teaching service can facilitate patient care and perception of resident teaching by extending the utility of electronic medical records in care decisions and by improving access to knowledge resources. PMID- 29217523 TI - Detecting Recent Positive Selection with a Single Locus Test Bipartitioning the Coalescent Tree. AB - Many population genomic studies have been conducted in the past to search for traces of recent events of positive selection. These traces, however, can be obscured by temporal variation of population size or other demographic factors. To reduce the confounding impact of demography, the coalescent tree topology has been used as an additional source of information for detecting recent positive selection in a population or a species. Based on the branching pattern at the root, we partition the hypothetical coalescent tree, inferred from a sequence sample, into two subtrees. The reasoning is that positive selection could impose a strong impact on branch length in one of the two subtrees while demography has the same effect on average on both subtrees. Thus, positive selection should be detectable by comparing statistics calculated for the two subtrees. Simulations demonstrate that the proposed test based on these principles has high power to detect recent positive selection even when DNA polymorphism data from only one locus is available, and that it is robust to the confounding effect of demography. One feature is that all components in the summary statistics ([Formula: see text]) can be computed analytically. Moreover, misinference of derived and ancestral alleles is seen to have only a limited effect on the test, and it therefore avoids a notorious problem when searching for traces of recent positive selection. PMID- 29217524 TI - MiR-29a: a potential therapeutic target and promising biomarker in tumors. AB - MiRNAs, small non-coding RNA molecules, were recognized to be associated with the incidence and development of diverse neoplasms. MiRNAs were small non-coding RNAs that could regulate post-transcriptional level by binding to 3'-UTR of target mRNAs. Amongst which, miR-29a was demonstrated that it had significant impact on oncogenicity in various neoplasms through binding to critical genes which enhanced or inhibited the progression of cancers. MiR-29a participated in kinds of physiological and pathological processes, including virus replication, cell proliferation, differentiation, apoptosis, fibrosis, angiogenesis, tumorigenicity, metastasis, drug-resistance, and so on. According to its sufficient sensitivity and specificity, many studies showed that miR-29a might serve as a potential therapeutic target and promising biomarker in various tumors. In this review, we discussed the functions of miR-29a and its potential application in the diagnosis, treatment and stages of carcinoma, which could provide additional insight to develop a novel therapeutic strategy. PMID- 29217526 TI - First-in-Human Phase I Study of Single-agent Vanucizumab, A First-in-Class Bispecific Anti-Angiopoietin-2/Anti-VEGF-A Antibody, in Adult Patients with Advanced Solid Tumors. AB - Purpose: Vanucizumab is an investigational antiangiogenic, first-in-class, bispecific mAb targeting VEGF-A and angiopoietin-2 (Ang-2). This first-in-human study evaluated the safety, pharmacokinetics, pharmacodynamics, and antitumor activity of vanucizumab in adults with advanced solid tumors refractory to standard therapies.Experimental Design: Patients received escalating biweekly (3 30 mg/kg) or weekly (10-30 mg/kg) intravenous doses guided by a Bayesian logistic regression model with overdose control.Results: Forty-two patients were treated. One dose-limiting toxicity, a fatal pulmonary hemorrhage from a large centrally located mediastinal mass judged possibly related to vanucizumab, occurred with the 19 mg/kg biweekly dose. Arterial hypertension (59.5%), asthenia (42.9%), and headache (31%) were the most common toxicities. Seventeen (41%) patients experienced treatment-related grade >=3 toxicities. Toxicity was generally higher with weekly than biweekly dosing. A MTD of vanucizumab was not reached in either schedule. Pharmacokinetics were dose-linear with an elimination half-life of 6-9 days. All patients had reduced plasma levels of free VEGF-A and Ang-2; most had reductions in KTRANS (measured by dynamic contrast-enhanced MRI). Two patients (renal cell and colon cancer) treated with 30 mg/kg achieved confirmed partial responses. Ten patients were without disease progression for >=6 months. A flat fixed 2,000 mg biweekly dose (phamacokinetically equivalent to 30 mg/kg biweekly) was recommended for further investigation.Conclusions: Biweekly vanucizumab had an acceptable safety and tolerability profile consistent with single-agent use of selective inhibitors of the VEGF-A and Ang/Tie2 pathway. Vanucizumab modulated its angiogenic targets, impacted tumor vascularity, and demonstrated encouraging antitumor activity in this heterogeneous population. Clin Cancer Res; 24(7); 1536 45. (c)2017 AACR. PMID- 29217527 TI - Merkel Cell Carcinoma in the Age of Immunotherapy: Facts and Hopes. AB - Merkel cell carcinoma (MCC) is a rare (~2,000 U.S. cases/year) but aggressive neuroendocrine tumor of the skin. For advanced MCC, cytotoxic chemotherapy only infrequently (<10% of cases) offers durable clinical responses (>1 year), suggesting a great need for improved therapeutic options. In 2008, the Merkel cell polyomavirus (MCPyV) was discovered and is clonally integrated in approximately 80% of MCC tumors. The remaining 20% of MCC tumors have large numbers of UV-associated mutations. Importantly, both the UV-induced neoantigens in virus-negative tumors and the MCPyV T antigen oncogenes that are required for virus-positive tumor growth are immunogenic. Indeed, antigen-specific T cells detected in patients are frequently dysfunctional/"exhausted," and the inhibitory ligand, PD-L1, is often present in MCC tumors. These findings led to recent clinical trials involving PD-1 pathway blockade in advanced MCC. The combined data from these trials involving three PD-1 pathway blocking agents-avelumab, pembrolizumab, and nivolumab-indicated a high frequency of durable responses in treated patients. Of note, prior treatment with chemotherapy was associated with decreased response rates to PD-1 checkpoint blockade. Over the past year, these striking data led to major changes in advanced MCC therapy, including the first ever FDA drug approval for this disease. Despite these successes, approximately 50% of patients with MCC do not persistently benefit from PD-1 pathway blockade, underscoring the need for novel strategies to broaden antitumor immune responses in these patients. Here, we highlight recent progress in MCC including the underlying mechanisms of immune evasion and emerging approaches to augment the efficacy of PD-1 pathway blockade. Clin Cancer Res; 24(9); 2035-43. (c)2017 AACR. PMID- 29217529 TI - FAM198B Is Associated with Prolonged Survival and Inhibits Metastasis in Lung Adenocarcinoma via Blockage of ERK-Mediated MMP-1 Expression. AB - Purpose: The comprehensive understanding of mechanisms involved in the tumor metastasis is urgently needed for discovering novel metastasis-related genes for developing effective diagnoses and treatments for lung cancer.Experimental Design: FAM198B was identified from an isogenic lung cancer metastasis cell model by microarray analysis. To investigate the clinical relevance of FAM198B, the FAM198B expression of 95 Taiwan lung adenocarcinoma patients was analyzed by quantitative real-time PCR and correlated to patients' survivals. The impact of FAM198B on cell invasion, metastasis, and tumor growth was examined by in vitro cellular assays and in vivo mouse models. In addition, the N-glycosylation defective FAM198B mutants generated by site-directed mutagenesis were used to study protein stability and subcellular localization of FAM198B. Finally, the microarray and pathway analyses were used to elucidate the underlying mechanisms of FAM198B-mediated tumor suppression.Results: We found that the high expression of FAM198B was associated with favorable survival in Taiwan lung adenocarcinoma patients and in a lung cancer public database. Enforced expression of FAM198B inhibited cell invasion, migration, mobility, proliferation, and anchorage independent growth, and FAM198B silencing exhibited opposite activities in vitro FAM198B also attenuated tumor growth and metastasis in vivo We further identified MMP-1 as a critical downstream target of FAM198B. The FAM198B-mediated MMP-1 downregulation was via inhibition of the phosphorylation of ERK. Interestingly deglycosylation nearly eliminated the metastasis suppression activity of FAM198B due to a decrease of protein stability.Conclusions: Our results implicate FAM198B as a potential tumor suppressor and to be a prognostic marker in lung adenocarcinoma. Clin Cancer Res; 24(4); 916-26. (c)2017 AACR. PMID- 29217528 TI - T Cells Expressing Checkpoint Receptor TIGIT Are Enriched in Follicular Lymphoma Tumors and Characterized by Reversible Suppression of T-cell Receptor Signaling. AB - Purpose: T cells infiltrating follicular lymphoma (FL) tumors are considered dysfunctional, yet the optimal target for immune checkpoint blockade is unknown. Characterizing coinhibitory receptor expression patterns and signaling responses in FL T-cell subsets might reveal new therapeutic targets.Experimental Design: Surface expression of 9 coinhibitory receptors governing T-cell function was characterized in T-cell subsets from FL lymph node tumors and from healthy donor tonsils and peripheral blood samples, using high-dimensional flow cytometry. The results were integrated with T-cell receptor (TCR)-induced signaling and cytokine production. Expression of T-cell immunoglobulin and ITIM domain (TIGIT) ligands was detected by immunohistochemistry.Results: TIGIT was a frequently expressed coinhibitory receptor in FL, expressed by the majority of CD8 T effector memory cells, which commonly coexpressed exhaustion markers such as PD-1 and CD244. CD8 FL T cells demonstrated highly reduced TCR-induced phosphorylation (p) of ERK and reduced production of IFNgamma, while TCR proximal signaling (p-CD3zeta, p-SLP76) was not affected. The TIGIT ligands CD112 and CD155 were expressed by follicular dendritic cells in the tumor microenvironment. Dysfunctional TCR signaling correlated with TIGIT expression in FL CD8 T cells and could be fully restored upon in vitro culture. The costimulatory receptor CD226 was downregulated in TIGIT+ compared with TIGIT- CD8 FL T cells, further skewing the balance toward immunosuppression.Conclusions: TIGIT blockade is a relevant strategy for improved immunotherapy in FL. A deeper understanding of the interplay between coinhibitory receptors and key T-cell signaling events can further assist in engineering immunotherapeutic regimens to improve clinical outcomes of cancer patients. Clin Cancer Res; 24(4); 870-81. (c)2017 AACR. PMID- 29217531 TI - Proposal to disregard athletics world records prior to 2005: a radical and misjudged initiative. PMID- 29217530 TI - The Impact of Smoking and TP53 Mutations in Lung Adenocarcinoma Patients with Targetable Mutations-The Lung Cancer Mutation Consortium (LCMC2). AB - Purpose: Multiplex genomic profiling is standard of care for patients with advanced lung adenocarcinomas. The Lung Cancer Mutation Consortium (LCMC) is a multi-institutional effort to identify and treat oncogenic driver events in patients with lung adenocarcinomas.Experimental Design: Sixteen U.S. institutions enrolled 1,367 patients with lung cancer in LCMC2; 904 were deemed eligible and had at least one of 14 cancer-related genes profiled using validated methods including genotyping, massively parallel sequencing, and IHC.Results: The use of targeted therapies in patients with EGFR, ERBB2, or BRAF p.V600E mutations, ALK, ROS1, or RET rearrangements, or MET amplification was associated with a survival increment of 1.5 years compared with those with such mutations not receiving targeted therapy, and 1.0 year compared with those lacking a targetable driver. Importantly, 60 patients with a history of smoking derived similar survival benefit from targeted therapy for alterations in EGFR/ALK/ROS1, when compared with 75 never smokers with the same alterations. In addition, coexisting TP53 mutations were associated with shorter survival among patients with EGFR, ALK, or ROS1 alterations.Conclusion: Patients with adenocarcinoma of the lung and an oncogenic driver mutation treated with effective targeted therapy have a longer survival, regardless of prior smoking history. Molecular testing should be performed on all individuals with lung adenocarcinomas irrespective of clinical characteristics. Routine use of massively parallel sequencing enables detection of both targetable driver alterations and tumor suppressor gene and other alterations that have potential significance for therapy selection and as predictive markers for the efficacy of treatment. Clin Cancer Res; 24(5); 1038 47. (c)2017 AACR. PMID- 29217532 TI - Imaging-detected acute muscle injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympic Games. AB - BACKGROUND: Acute muscle injuries in elite athletes are responsible for a large portion of time loss injuries. AIM: To describe the frequency, the anatomic distribution, and severity of imaging-detected acute muscle injuries among athletes who competed in the Rio de Janeiro 2016 Summer Olympics. METHODS: We recorded all sports injuries reported by the National Olympic Committee medical teams and the Organising Committee medical staff during the 2016 Summer Olympics. Imaging of acute muscle injuries was performed at the IOC's polyclinic within the Olympic Village using ultrasound and 3.0 T and 1.5 T MRI scanners. The assessment of images was performed centrally by three musculoskeletal radiologists. The distribution of injuries by anatomic location and sports discipline and the severity of injuries were recorded. RESULTS: In total, 11 274 athletes from 207 teams were included. A total of 1101 injuries were reported. Central review of radiological images revealed 81 acute muscle injuries in 77 athletes (66% male, mean age: 25.4 years, range 18-38 years). Athletics (track and field) athletes were the most commonly affected (n=39, 48%), followed by football players (n=9, 11%). The majority of injuries affected muscles from lower limbs (n=68, 84%), with the hamstring being the most commonly involved. Most injuries were grade 2 injuries according to the Peetrons classification (n=44, 54%), and we found 18 injuries exhibiting intramuscular tendon involvement on MRI. CONCLUSION: Imaging detected acute muscle injuries during the 2016 Summer Olympics affected mainly thigh muscles in athletics disciplines. PMID- 29217533 TI - Rigorous qualitative research in sports, exercise and musculoskeletal medicine journals is important and relevant. PMID- 29217534 TI - Getting the systematic review basics right helps clinical practice: 4 common pitfalls for systematic review authors to avoid. PMID- 29217536 TI - Correction to "Metabolic Disposition of Luteolin Is Mediated by the Interplay of UDP-Glucuronosyltransferases and Catechol-O-Methyltransferases in Rats". PMID- 29217535 TI - In vivo single cell analysis reveals Gata2 dynamics in cells transitioning to hematopoietic fate. AB - Cell fate is established through coordinated gene expression programs in individual cells. Regulatory networks that include the Gata2 transcription factor play central roles in hematopoietic fate establishment. Although Gata2 is essential to the embryonic development and function of hematopoietic stem cells that form the adult hierarchy, little is known about the in vivo expression dynamics of Gata2 in single cells. Here, we examine Gata2 expression in single aortic cells as they establish hematopoietic fate in Gata2Venus mouse embryos. Time-lapse imaging reveals rapid pulsatile level changes in Gata2 reporter expression in cells undergoing endothelial-to-hematopoietic transition. Moreover, Gata2 reporter pulsatile expression is dramatically altered in Gata2+/- aortic cells, which undergo fewer transitions and are reduced in hematopoietic potential. Our novel finding of dynamic pulsatile expression of Gata2 suggests a highly unstable genetic state in single cells concomitant with their transition to hematopoietic fate. This reinforces the notion that threshold levels of Gata2 influence fate establishment and has implications for transcription factor related hematologic dysfunctions. PMID- 29217537 TI - Characteristics and Performance of Unilateral Kidney Transplants from Deceased Donors. AB - BACKGROUND AND OBJECTIVES: The fraction of kidneys procured for transplant that are discarded is rising in the United States. Identifying donors from whom only one kidney was discarded allows us to control for donor traits and better assess reasons for organ discard. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a retrospective cohort study using United Network for Organ Sharing Standard Transplant Analysis and Research file data to identify deceased donors from whom two kidneys were procured and at least one was transplanted. Unilateral pairs were defined as kidney pairs from a single donor from whom one kidney was discarded ("unilateral discard") but the other was transplanted ("unilateral transplant"). Organ quality was estimated using the Kidney Donor Risk Index and Kidney Donor Profile Index (KDPI). We compared all-cause graft failure rates for unilateral transplants to those for bilateral transplant Kaplan-Meier methods, and life table methodology was used to evaluate 1-, 2-, 3-, and 5-year survival rates of transplants from bilateral and unilateral donors. RESULTS: Compared with bilateral donors (i.e., both kidneys transplanted) (n=80,584), unilateral donors (i.e., only one kidney transplanted) (n=7625) had higher mean terminal creatinine (1.3+/-2.1 mg/dl versus 1.1+/-0.9 mg/dl) and KDPI (67%+/-25% versus 42%+/-27%), were older, and were more likely to have hypertension, diabetes, hepatitis C, terminal stroke, or meet Centers for Disease Control and Prevention high-risk donor criteria. Unilateral discards were primarily attributed to factors expected to be similar in both kidneys from a donor: biopsy findings (22%), no interested recipient (13%), and donor history (7%). Anatomic abnormalities (14%), organ damage (11%), and extended ischemia (6%) accounted for about 30% of discards, but were the commonest reasons among low KDPI kidneys. Among kidneys with KDPI>=60%, there was an incremental difference in allograft survival over time (for unilateral versus bilateral transplants, 1-year survival: 83% versus 87%; 3-year survival: 69% versus 73%; 5-year survival: 51% versus 58%). CONCLUSIONS: A large number of discarded kidneys were procured from donors whose contralateral kidneys were transplanted with good post-transplant outcomes. PMID- 29217538 TI - Compelling Evidence of the Need for Policy Change to Decrease Deceased Donor Kidney Discard in the United States: Waste Not Want Less. PMID- 29217539 TI - Inhibition of Cocaine and 3,4-Methylenedioxypyrovalerone (MDPV) Self Administration by Lorcaserin Is Mediated by 5-HT2C Receptors in Rats. AB - Lorcaserin is a serotonin (5-HT)2C receptor-preferring agonist approved by the US Food and Drug Administration to treat obesity. Lorcaserin decreases cocaine self administration in rats and monkeys. Although this effect is partially inhibited by a 5-HT2C receptor antagonist (SB242084), lorcaserin also has effects at 5-HT2A and 5-HT1A receptors, and the relative contribution of these receptors to its anti-cocaine effects has not been investigated. The goals of this study were to determine 1) the potency and effectiveness of lorcaserin to decrease self administration of cocaine and 3,4-methylenedioxypyrovalerone (MDPV), a common "bath salts" constituent; and 2) the receptor(s) mediating the effects of lorcaserin on cocaine and MDPV self-administration. Male Sprague-Dawley rats (n = 6) were trained to self-administer MDPV under a progressive ratio schedule of reinforcement and maintained under this schedule with daily access to 0.32 mg/kg per infusion of cocaine or 0.032 mg/kg per infusion of MDPV. Dose-response curves for the effects of lorcaserin on cocaine and MDPV self-administration were generated by administering lorcaserin (0.1-5.6 mg/kg) 25 minutes before the start of the session. To assess the effects of 5-HT2C (SB242084, 0.1 mg/kg), 5-HT2A (MDL100907, 0.1 mg/kg), and 5-HT1A (WAY100635, 0.178 mg/kg) receptor antagonists, they were administered 15 minutes before lorcaserin. Lorcaserin decreased cocaine and MDPV self-administration with equal potency. Antagonism of 5-HT2C (but not 5 HT1A or 5-HT2A) receptors blocked the effects of lorcaserin on cocaine and MDPV self-administration. Taken together, these data provide additional support for further development of 5-HT2C receptor agonists, such as lorcaserin, for the treatment of stimulant abuse. PMID- 29217540 TI - Cancer Stem Cell-Suppressing Activity of Chrysotoxine, a Bibenzyl from Dendrobium pulchellum. AB - Cancer stem cells (CSCs) have been recognized as rare populations driving cancer progression, metastasis, and drug resistance in leading cancers. Attempts have been made toward identifying compounds that specifically target these CSCs. Therefore, investigations of novel therapeutic strategies for CSC targeting are required. The cytotoxic effects of chrysotoxine on human non-small cell lung cancer-derived H460 and H23 cells were evaluated by the 3-(4,5-dimethylthiazol-2 yl)-2,5-diphenyltetrazolium bromide assay. The effects of chrysotoxine suppression of CSC-like phenotypes were determined in CSC-rich populations and primary CSCs in three-dimensional (3D) culture and in an extreme limiting dilution assay. Expression of CSC markers and associated proteins was determined by Western blot analyse and flow cytometry. We have reported herein the CSC suppressing activity of chrysotoxine, a bibenzyl compound isolated from Dendrobium pulchellum We have shown, to our knowledge for the first time, that chrysotoxine dramatically suppresses CSC-like phenotypes of H460 and H23 cells. Treatment with chrysotoxine significantly reduced the viability of 3D CSC-rich populations and concomitantly decreased known CSC markers. Chrysotoxine suppressed CSC phenotypes through downregulation of Src/protein kinase B (Akt) signaling. Active (phosphorylated Y416) Src was shown to regulate cancer stemness, since ectopic overexpression of Src strongly activated Akt and subsequently enhanced pluripotency transcription factor SRY (sex-determining region Y)-box 2 (Sox2)- mediating CSC phenotypes, whereas the short hairpin RNA of Src and an Src inhibitor (dasatinib) suppressed Akt, Sox2, and CSC properties. Importantly, chrysotoxine was shown to suppress active Src/Akt signaling and in turn depleted Sox2-mediated CSCs. Our findings indicate a novel CSC-targeted role of chrysotoxine and its regulation by Src/Akt and Sox2, which may be exploited for cancer treatment. PMID- 29217541 TI - Designing river flows to improve food security futures in the Lower Mekong Basin. AB - Rivers provide unrivaled opportunity for clean energy via hydropower, but little is known about the potential impact of dam-building on the food security these rivers provide. In tropical rivers, rainfall drives a periodic flood pulse fueling fish production and delivering nutrition to more than 150 million people worldwide. Hydropower will modulate this flood pulse, thereby threatening food security. We identified variance components of the Mekong River flood pulse that predict yield in one of the largest freshwater fisheries in the world. We used these variance components to design an algorithm for a managed hydrograph to explore future yields. This algorithm mimics attributes of discharge variance that drive fishery yield: prolonged low flows followed by a short flood pulse. Designed flows increased yield by a factor of 3.7 relative to historical hydrology. Managing desired components of discharge variance will lead to greater efficiency in the Lower Mekong Basin food system. PMID- 29217542 TI - Comment on "Cognition-mediated evolution of low-quality floral nectars". AB - Nachev et al (Reports, 6 January 2017, p. 75) present dilute nectar in bat pollinated plants as "paradoxical" because bats prefer concentrated nectar, but paradox disappears with realistic assumptions about nectar evolution. We argue that they make unrealistic assumptions about the cognitive abilities of bat pollinators, invoke Weber's law inappropriately, and cannot predict observed nectar concentrations of bat flowers or negative correlations between pollinator body size and average concentration. PMID- 29217543 TI - Response to Comment on "Cognition-mediated evolution of low-quality floral nectars". AB - Pyke and Waser claim that our virtual pollination ecology model makes unrealistic assumptions and fails to predict observed nectar concentrations of bat flowers and negative correlations between pollinator body size and sugar concentration. In their comment, crucial model features are misrepresented, misunderstood, or ignored. Sensitivity to the supply/demand ratio explains both the equilibrium concentrations and the selection for lower concentrations by larger pollinators. PMID- 29217544 TI - On the origin of modern humans: Asian perspectives. AB - The traditional "out of Africa" model, which posits a dispersal of modern Homo sapiens across Eurasia as a single wave at ~60,000 years ago and the subsequent replacement of all indigenous populations, is in need of revision. Recent discoveries from archaeology, hominin paleontology, geochronology, genetics, and paleoenvironmental studies have contributed to a better understanding of the Late Pleistocene record in Asia. Important findings highlighted here include growing evidence for multiple dispersals predating 60,000 years ago in regions such as southern and eastern Asia. Modern humans moving into Asia met Neandertals, Denisovans, mid-Pleistocene Homo, and possibly H. floresiensis, with some degree of interbreeding occurring. These early human dispersals, which left at least some genetic traces in modern populations, indicate that later replacements were not wholesale. PMID- 29217545 TI - Harassment in science is real. PMID- 29217548 TI - NASA sensor to study space junk the size of dust. PMID- 29217547 TI - Bioelectronics herald the rise of the cyborg. PMID- 29217549 TI - Nations put science before fishing in the Arctic. PMID- 29217550 TI - Cuban panel claims stress caused mystery illnesses. PMID- 29217551 TI - To help save the heart, is it time to retire cholesterol tests? PMID- 29217552 TI - Science groups urge changes as Congress nears final tax bill. PMID- 29217553 TI - Last stands. PMID- 29217554 TI - Can dams be designed for sustainability? PMID- 29217555 TI - Putting the RuBisCO pieces together. PMID- 29217556 TI - Coherent nanoparticles in calcite. PMID- 29217557 TI - TRP'ing up chronic kidney disease. PMID- 29217558 TI - Concerns for ozone recovery. PMID- 29217559 TI - Saving lives by regulating guns: Evidence for policy. PMID- 29217560 TI - EU can help Spain's endangered seabird. PMID- 29217561 TI - Broad conservation: Protect the unknowns. PMID- 29217562 TI - Quake warning funds on shaky ground. PMID- 29217563 TI - Probing the metabolism of microorganisms. PMID- 29217564 TI - Metabolic markers as cancer clues. PMID- 29217565 TI - Reading the genome like a history book. PMID- 29217566 TI - Biology and physics rendezvous at the membrane. PMID- 29217567 TI - Plant RuBisCo assembly in E. coli with five chloroplast chaperones including BSD2. AB - Plant RuBisCo, a complex of eight large and eight small subunits, catalyzes the fixation of CO2 in photosynthesis. The low catalytic efficiency of RuBisCo provides strong motivation to reengineer the enzyme with the goal of increasing crop yields. However, genetic manipulation has been hampered by the failure to express plant RuBisCo in a bacterial host. We achieved the functional expression of Arabidopsis thaliana RuBisCo in Escherichia coli by coexpressing multiple chloroplast chaperones. These include the chaperonins Cpn60/Cpn20, RuBisCo accumulation factors 1 and 2, RbcX, and bundle-sheath defective-2 (BSD2). Our structural and functional analysis revealed the role of BSD2 in stabilizing an end-state assembly intermediate of eight RuBisCo large subunits until the small subunits become available. The ability to produce plant RuBisCo recombinantly will facilitate efforts to improve the enzyme through mutagenesis. PMID- 29217568 TI - Attosecond-resolved photoionization of chiral molecules. AB - Chiral light-matter interactions have been investigated for two centuries, leading to the discovery of many chiroptical processes used for discrimination of enantiomers. Whereas most chiroptical effects result from a response of bound electrons, photoionization can produce much stronger chiral signals that manifest as asymmetries in the angular distribution of the photoelectrons along the light propagation axis. We implemented self-referenced attosecond photoelectron interferometry to measure the temporal profile of the forward and backward electron wave packets emitted upon photoionization of camphor by circularly polarized laser pulses. We measured a delay between electrons ejected forward and backward, which depends on the ejection angle and reaches 24 attoseconds. The asymmetric temporal shape of electron wave packets emitted through an autoionizing state further reveals the chiral character of strongly correlated electronic dynamics. PMID- 29217569 TI - Coherently aligned nanoparticles within a biogenic single crystal: A biological prestressing strategy. AB - In contrast to synthetic materials, materials produced by organisms are formed in ambient conditions and with a limited selection of elements. Nevertheless, living organisms reveal elegant strategies for achieving specific functions, ranging from skeletal support to mastication, from sensors and defensive tools to optical function. Using state-of-the-art characterization techniques, we present a biostrategy for strengthening and toughening the otherwise brittle calcite optical lenses found in the brittlestar Ophiocoma wendtii This intriguing process uses coherent nanoprecipitates to induce compressive stresses on the host matrix, functionally resembling the Guinier-Preston zones known in classical metallurgy. We believe that these calcitic nanoparticles, being rich in magnesium, segregate during or just after transformation from amorphous to crystalline phase, similarly to segregation behavior from a supersaturated quenched alloy. PMID- 29217571 TI - Imaging resonant dissipation from individual atomic defects in graphene. AB - Conversion of electric current into heat involves microscopic processes that operate on nanometer length scales and release minute amounts of power. Although central to our understanding of the electrical properties of materials, individual mediators of energy dissipation have so far eluded direct observation. Using scanning nanothermometry with submicrokelvin sensitivity, we visualized and controlled phonon emission from individual atomic-scale defects in graphene. The inferred electron-phonon "cooling power spectrum" exhibits sharp peaks when the Fermi level comes into resonance with electronic quasi-bound states at such defects. Rare in the bulk but abundant at graphene's edges, switchable atomic scale phonon emitters provide the dominant dissipation mechanism. Our work offers insights for addressing key materials challenges in modern electronics and enables control of dissipation at the nanoscale. PMID- 29217570 TI - A precise measurement of the magnetic field in the corona of the black hole binary V404 Cygni. AB - Observations of binary stars containing an accreting black hole or neutron star often show x-ray emission extending to high energies (>10 kilo--electron volts), which is ascribed to an accretion disk corona of energetic particles akin to those seen in the solar corona. Despite their ubiquity, the physical conditions in accretion disk coronae remain poorly constrained. Using simultaneous infrared, optical, x-ray, and radio observations of the Galactic black hole system V404 Cygni, showing a rapid synchrotron cooling event in its 2015 outburst, we present a precise 461 +/- 12 gauss magnetic field measurement in the corona. This measurement is substantially lower than previous estimates for such systems, providing constraints on physical models of accretion physics in black hole and neutron star binary systems. PMID- 29217572 TI - Renewable acrylonitrile production. AB - Acrylonitrile (ACN) is a petroleum-derived compound used in resins, polymers, acrylics, and carbon fiber. We present a process for renewable ACN production using 3-hydroxypropionic acid (3-HP), which can be produced microbially from sugars. The process achieves ACN molar yields exceeding 90% from ethyl 3 hydroxypropanoate (ethyl 3-HP) via dehydration and nitrilation with ammonia over an inexpensive titanium dioxide solid acid catalyst. We further describe an integrated process modeled at scale that is based on this chemistry and achieves near-quantitative ACN yields (98 +/- 2%) from ethyl acrylate. This endothermic approach eliminates runaway reaction hazards and achieves higher yields than the standard propylene ammoxidation process. Avoidance of hydrogen cyanide as a by product also improves process safety and mitigates product handling requirements. PMID- 29217573 TI - Quantized chiral edge conduction on domain walls of a magnetic topological insulator. AB - Electronic ordering in magnetic and dielectric materials forms domains with different signs of order parameters. The control of configuration and motion of the domain walls (DWs) enables nonvolatile responses against minute external fields. Here, we realize chiral edge states (CESs) on the magnetic DWs of a magnetic topological insulator. We design and fabricate the magnetic domains in the quantum anomalous Hall state with the tip of a magnetic force microscope and prove the existence of the chiral one-dimensional edge conduction along the prescribed DWs through transport measurements. The proof-of-concept devices based on reconfigurable CESs and Landauer-Buttiker formalism are realized for multiple domain configurations with well-defined DW channels. Our results may lead to the realization of low-power-consumption spintronic devices. PMID- 29217574 TI - Signatures of exciton condensation in a transition metal dichalcogenide. AB - Bose condensation has shaped our understanding of macroscopic quantum phenomena, having been realized in superconductors, atomic gases, and liquid helium. Excitons are bosons that have been predicted to condense into either a superfluid or an insulating electronic crystal. Using the recently developed technique of momentum-resolved electron energy-loss spectroscopy (M-EELS), we studied electronic collective modes in the transition metal dichalcogenide semimetal 1T TiSe2 Near the phase-transition temperature (190 kelvin), the energy of the electronic mode fell to zero at nonzero momentum, indicating dynamical slowing of plasma fluctuations and crystallization of the valence electrons into an exciton condensate. Our study provides compelling evidence for exciton condensation in a three-dimensional solid and establishes M-EELS as a versatile technique sensitive to valence band excitations in quantum materials. PMID- 29217576 TI - Firearms and accidental deaths: Evidence from the aftermath of the Sandy Hook school shooting. AB - Exposure to firearms increased substantially after the December 2012 shooting at Sandy Hook Elementary School in Newtown, Connecticut, where 20 children and 6 adults were killed. Gun sales spiked by 3 million, on the basis of the increase in the number of background checks for firearm purchases. Google searches for buying and cleaning guns increased. We used Vital Statistics mortality data to examine whether a spike in accidental firearm deaths occurred at the same time as the greater exposure to firearms. We also assessed whether the increase in these deaths was larger in those states where the spike in gun sales per capita was larger. We find that an additional 60 deaths overall, including 20 children, resulted from unintentional shootings in the immediate aftermath of Sandy Hook. PMID- 29217575 TI - Spatiotemporal gene expression trajectories reveal developmental hierarchies of the human cortex. AB - Systematic analyses of spatiotemporal gene expression trajectories during organogenesis have been challenging because diverse cell types at different stages of maturation and differentiation coexist in the emerging tissues. We identified discrete cell types as well as temporally and spatially restricted trajectories of radial glia maturation and neurogenesis in developing human telencephalon. These lineage-specific trajectories reveal the expression of neurogenic transcription factors in early radial glia and enriched activation of mammalian target of rapamycin signaling in outer radial glia. Across cortical areas, modest transcriptional differences among radial glia cascade into robust typological distinctions among maturing neurons. Together, our results support a mixed model of topographical, typological, and temporal hierarchies governing cell-type diversity in the developing human telencephalon, including distinct excitatory lineages emerging in rostral and caudal cerebral cortex. PMID- 29217577 TI - Paradoxical escape responses by narwhals (Monodon monoceros). AB - Until recent declines in Arctic sea ice levels, narwhals (Monodon monoceros) have lived in relative isolation from human perturbation and sustained predation pressures. The resulting naivety has made this cryptic, deep-diving cetacean highly susceptible to disturbance, although quantifiable effects have been lacking. We deployed a submersible, animal-borne electrocardiograph-accelerometer depth recorder to monitor physiological and behavioral responses of East Greenland narwhals after release from net entanglement and stranding. Escaping narwhals displayed a paradoxical cardiovascular down-regulation (extreme bradycardia with heart rate <=4 beats per minute) superimposed on exercise up regulation (stroke frequency >25 strokes per minute and energetic costs three to six times the resting rate of energy expenditure) that rapidly depleted onboard oxygen stores. We attribute this unusual reaction to opposing cardiovascular signals-from diving, exercise, and neurocognitive fear responses-that challenge physiological homeostasis. PMID- 29217580 TI - An unexpected career resource. PMID- 29217578 TI - A small-molecule inhibitor of TRPC5 ion channels suppresses progressive kidney disease in animal models. AB - Progressive kidney diseases are often associated with scarring of the kidney's filtration unit, a condition called focal segmental glomerulosclerosis (FSGS). This scarring is due to loss of podocytes, cells critical for glomerular filtration, and leads to proteinuria and kidney failure. Inherited forms of FSGS are caused by Rac1-activating mutations, and Rac1 induces TRPC5 ion channel activity and cytoskeletal remodeling in podocytes. Whether TRPC5 activity mediates FSGS onset and progression is unknown. We identified a small molecule, AC1903, that specifically blocks TRPC5 channel activity in glomeruli of proteinuric rats. Chronic administration of AC1903 suppressed severe proteinuria and prevented podocyte loss in a transgenic rat model of FSGS. AC1903 also provided therapeutic benefit in a rat model of hypertensive proteinuric kidney disease. These data indicate that TRPC5 activity drives disease and that TRPC5 inhibitors may be valuable for the treatment of progressive kidney diseases. PMID- 29217579 TI - Structural basis for methylphosphonate biosynthesis. AB - Methylphosphonate synthase (MPnS) produces methylphosphonate, a metabolic precursor to methane in the upper ocean. Here, we determine a 2.35-angstrom resolution structure of MPnS and discover that it has an unusual 2-histidine-1 glutamine iron-coordinating triad. We further solve the structure of a related enzyme, hydroxyethylphosphonate dioxygenase from Streptomyces albus (SaHEPD), and find that it displays the same motif. SaHEPD can be converted into an MPnS by mutation of glutamine-adjacent residues, identifying the molecular requirements for methylphosphonate synthesis. Using these sequence markers, we find numerous putative MPnSs in marine microbiomes and confirm that MPnS is present in the abundant Pelagibacter ubique. The ubiquity of MPnS-containing microbes supports the proposal that methylphosphonate is a source of methane in the upper, aerobic ocean, where phosphorus-starved microbes catabolize methylphosphonate for its phosphorus. PMID- 29217581 TI - Structure of the human TRPM4 ion channel in a lipid nanodisc. AB - Transient receptor potential (TRP) melastatin 4 (TRPM4) is a widely expressed cation channel associated with a variety of cardiovascular disorders. TRPM4 is activated by increased intracellular calcium in a voltage-dependent manner but, unlike many other TRP channels, is permeable to monovalent cations only. Here we present two structures of full-length human TRPM4 embedded in lipid nanodiscs at ~3-angstrom resolution, as determined by single-particle cryo-electron microscopy. These structures, with and without calcium bound, reveal a general architecture for this major subfamily of TRP channels and a well-defined calcium binding site within the intracellular side of the S1-S4 domain. The structures correspond to two distinct closed states. Calcium binding induces conformational changes that likely prime the channel for voltage-dependent opening. PMID- 29217582 TI - Spatial reconstruction of immune niches by combining photoactivatable reporters and scRNA-seq. AB - Cellular functions are strongly dependent on surrounding cells and environmental factors. Current technologies are limited in their ability to characterize the spatial location and gene programs of cells in poorly structured and dynamic niches. We developed a method, NICHE-seq, that combines photoactivatable fluorescent reporters, two-photon microscopy, and single-cell RNA sequencing (scRNA-seq) to infer the cellular and molecular composition of niches. We applied NICHE-seq to examine the high-order assembly of immune cell networks. NICHE-seq is highly reproducible in spatial tissue reconstruction, enabling identification of rare niche-specific immune subpopulations and gene programs, including natural killer cells within infected B cell follicles and distinct myeloid states in the spleen and tumor. This study establishes NICHE-seq as a broadly applicable method for elucidating high-order spatial organization of cell types and their molecular pathways. PMID- 29217583 TI - Structure of the cold- and menthol-sensing ion channel TRPM8. AB - Transient receptor potential melastatin (TRPM) cation channels are polymodal sensors that are involved in a variety of physiological processes. Within the TRPM family, member 8 (TRPM8) is the primary cold and menthol sensor in humans. We determined the cryo-electron microscopy structure of the full-length TRPM8 from the collared flycatcher at an overall resolution of ~4.1 angstroms. Our TRPM8 structure reveals a three-layered architecture. The amino-terminal domain with a fold distinct among known TRP structures, together with the carboxyl terminal region, forms a large two-layered cytosolic ring that extensively interacts with the transmembrane channel layer. The structure suggests that the menthol-binding site is located within the voltage-sensor-like domain and thus provides a structural glimpse of the design principle of the molecular transducer for cold and menthol sensation. PMID- 29217584 TI - Aging and neurodegeneration are associated with increased mutations in single human neurons. AB - It has long been hypothesized that aging and neurodegeneration are associated with somatic mutation in neurons; however, methodological hurdles have prevented testing this hypothesis directly. We used single-cell whole-genome sequencing to perform genome-wide somatic single-nucleotide variant (sSNV) identification on DNA from 161 single neurons from the prefrontal cortex and hippocampus of 15 normal individuals (aged 4 months to 82 years), as well as 9 individuals affected by early-onset neurodegeneration due to genetic disorders of DNA repair (Cockayne syndrome and xeroderma pigmentosum). sSNVs increased approximately linearly with age in both areas (with a higher rate in hippocampus) and were more abundant in neurodegenerative disease. The accumulation of somatic mutations with age-which we term genosenium-shows age-related, region-related, and disease-related molecular signatures and may be important in other human age-associated conditions. PMID- 29217586 TI - Resonantly driven CNOT gate for electron spins. AB - Single-qubit rotations and two-qubit CNOT operations are crucial ingredients for universal quantum computing. Although high-fidelity single-qubit operations have been achieved using the electron spin degree of freedom, realizing a robust CNOT gate has been challenging because of rapid nuclear spin dephasing and charge noise. We demonstrate an efficient resonantly driven CNOT gate for electron spins in silicon. Our platform achieves single-qubit rotations with fidelities greater than 99%, as verified by randomized benchmarking. Gate control of the exchange coupling allows a quantum CNOT gate to be implemented with resonant driving in ~200 nanoseconds. We used the CNOT gate to generate a Bell state with 78% fidelity (corrected for errors in state preparation and measurement). Our quantum dot device architecture enables multi-qubit algorithms in silicon. PMID- 29217585 TI - Patient HLA class I genotype influences cancer response to checkpoint blockade immunotherapy. AB - CD8+ T cell-dependent killing of cancer cells requires efficient presentation of tumor antigens by human leukocyte antigen class I (HLA-I) molecules. However, the extent to which patient-specific HLA-I genotype influences response to anti programmed cell death protein 1 or anti-cytotoxic T lymphocyte-associated protein 4 is currently unknown. We determined the HLA-I genotype of 1535 advanced cancer patients treated with immune checkpoint blockade (ICB). Maximal heterozygosity at HLA-I loci ("A," "B," and "C") improved overall survival after ICB compared with patients who were homozygous for at least one HLA locus. In two independent melanoma cohorts, patients with the HLA-B44 supertype had extended survival, whereas the HLA-B62 supertype (including HLA-B*15:01) or somatic loss of heterozygosity at HLA-I was associated with poor outcome. Molecular dynamics simulations of HLA-B*15:01 revealed different elements that may impair CD8+ T cell recognition of neoantigens. Our results have important implications for predicting response to ICB and for the design of neoantigen-based therapeutic vaccines. PMID- 29217587 TI - Different mutational rates and mechanisms in human cells at pregastrulation and neurogenesis. AB - Somatic mosaicism in the human brain may alter function of individual neurons. We analyzed genomes of single cells from the forebrains of three human fetuses (15 to 21 weeks postconception) using clonal cell populations. We detected 200 to 400 single-nucleotide variations (SNVs) per cell. SNV patterns resembled those found in cancer cell genomes, indicating a role of background mutagenesis in cancer. SNVs with a frequency of >2% in brain were also present in the spleen, revealing a pregastrulation origin. We reconstructed cell lineages for the first five postzygotic cleavages and calculated a mutation rate of ~1.3 mutations per division per cell. Later in development, during neurogenesis, the mutation spectrum shifted toward oxidative damage, and the mutation rate increased. Both neurogenesis and early embryogenesis exhibit substantially more mutagenesis than adulthood. PMID- 29217588 TI - Tax plans and science. PMID- 29217589 TI - Cohesin: building loops, but not compartments. PMID- 29217590 TI - A mechanism of cohesin-dependent loop extrusion organizes zygotic genome architecture. AB - Fertilization triggers assembly of higher-order chromatin structure from a condensed maternal and a naive paternal genome to generate a totipotent embryo. Chromatin loops and domains have been detected in mouse zygotes by single-nucleus Hi-C (snHi-C), but not bulk Hi-C. It is therefore unclear when and how embryonic chromatin conformations are assembled. Here, we investigated whether a mechanism of cohesin-dependent loop extrusion generates higher-order chromatin structures within the one-cell embryo. Using snHi-C of mouse knockout embryos, we demonstrate that the zygotic genome folds into loops and domains that critically depend on Scc1-cohesin and that are regulated in size and linear density by Wapl. Remarkably, we discovered distinct effects on maternal and paternal chromatin loop sizes, likely reflecting differences in loop extrusion dynamics and epigenetic reprogramming. Dynamic polymer models of chromosomes reproduce changes in snHi-C, suggesting a mechanism where cohesin locally compacts chromatin by active loop extrusion, whose processivity is controlled by Wapl. Our simulations and experimental data provide evidence that cohesin-dependent loop extrusion organizes mammalian genomes over multiple scales from the one-cell embryo onward. PMID- 29217592 TI - Loss of LOFSEP Transcription Factor Function Converts Spikelet to Leaf-Like Structures in Rice. AB - SEPALLATA (SEP)-like genes, which encode a subfamily of MADS-box transcription factors, are essential for specifying floral organ and meristem identity in angiosperms. Rice (Oryza sativa) has five SEP-like genes with partial redundancy and overlapping expression domains, yet their functions and evolutionary conservation are only partially known. Here, we describe the biological role of one of the SEP genes of rice, OsMADS5, in redundantly controlling spikelet morphogenesis. OsMADS5 belongs to the conserved LOFSEP subgroup along with OsMADS1 and OsMADS34OsMADS5 was expressed strongly across a broad range of reproductive stages and tissues. No obvious phenotype was observed in the osmads5 single mutants when compared with the wild type, which was largely due to the functional redundancy among the three LOFSEP genes. Genetic and molecular analyses demonstrated that OsMADS1, OsMADS5, and OsMADS34 together regulate floral meristem determinacy and specify the identities of spikelet organs by positively regulating the other MADS-box floral homeotic genes. Experiments conducted in yeast also suggested that OsMADS1, OsMADS5, and OsMADS34 form protein-protein interactions with other MADS-box floral homeotic members, which seems to be a typical, conserved feature of plant SEP proteins. PMID- 29217591 TI - Topologically associating domains and chromatin loops depend on cohesin and are regulated by CTCF, WAPL, and PDS5 proteins. AB - Mammalian genomes are spatially organized into compartments, topologically associating domains (TADs), and loops to facilitate gene regulation and other chromosomal functions. How compartments, TADs, and loops are generated is unknown. It has been proposed that cohesin forms TADs and loops by extruding chromatin loops until it encounters CTCF, but direct evidence for this hypothesis is missing. Here, we show that cohesin suppresses compartments but is required for TADs and loops, that CTCF defines their boundaries, and that the cohesin unloading factor WAPL and its PDS5 binding partners control the length of loops. In the absence of WAPL and PDS5 proteins, cohesin forms extended loops, presumably by passing CTCF sites, accumulates in axial chromosomal positions (vermicelli), and condenses chromosomes. Unexpectedly, PDS5 proteins are also required for boundary function. These results show that cohesin has an essential genome-wide function in mediating long-range chromatin interactions and support the hypothesis that cohesin creates these by loop extrusion, until it is delayed by CTCF in a manner dependent on PDS5 proteins, or until it is released from DNA by WAPL. PMID- 29217593 TI - Suboptimal Acclimation of Photosynthesis to Light in Wheat Canopies. AB - Photosynthetic acclimation (photoacclimation) is the process whereby leaves alter their morphology and/or biochemistry to optimize photosynthetic efficiency and productivity according to long-term changes in the light environment. The three dimensional architecture of plant canopies imposes complex light dynamics, but the drivers for photoacclimation in such fluctuating environments are poorly understood. A technique for high-resolution three-dimensional reconstruction was combined with ray tracing to simulate a daily time course of radiation profiles for architecturally contrasting field-grown wheat (Triticum aestivum) canopies. An empirical model of photoacclimation was adapted to predict the optimal distribution of photosynthesis according to the fluctuating light patterns throughout the canopies. While the photoacclimation model output showed good correlation with field-measured gas-exchange data at the top of the canopy, it predicted a lower optimal light-saturated rate of photosynthesis at the base. Leaf Rubisco and protein contents were consistent with the measured optimal light saturated rate of photosynthesis. We conclude that, although the photosynthetic capacity of leaves is high enough to exploit brief periods of high light within the canopy (particularly toward the base), the frequency and duration of such sunflecks are too small to make acclimation a viable strategy in terms of carbon gain. This suboptimal acclimation renders a large portion of residual photosynthetic capacity unused and reduces photosynthetic nitrogen use efficiency at the canopy level, with further implications for photosynthetic productivity. It is argued that (1) this represents an untapped source of photosynthetic potential and (2) canopy nitrogen could be lowered with no detriment to carbon gain or grain protein content. PMID- 29217594 TI - Glucose-Induced Trophic Shift in an Endosymbiont Dinoflagellate with Physiological and Molecular Consequences. AB - Interactions between the dinoflagellate endosymbiont Symbiodinium and its cnidarian hosts (e.g. corals, sea anemones) are the foundation of coral-reef ecosystems. Carbon flow between the partners is a hallmark of this mutualism, but the mechanisms governing this flow and its impact on symbiosis remain poorly understood. We showed previously that although Symbiodinium strain SSB01 can grow photoautotrophically, it can grow mixotrophically or heterotrophically when supplied with Glc, a metabolite normally transferred from the alga to its host. Here we show that Glc supplementation of SSB01 cultures causes a loss of pigmentation and photosynthetic activity, disorganization of thylakoid membranes, accumulation of lipid bodies, and alterations of cell-surface morphology. We used global transcriptome analyses to determine if these physiological changes were correlated with changes in gene expression. Glc-supplemented cells exhibited a marked reduction in levels of plastid transcripts encoding photosynthetic proteins, although most nuclear-encoded transcripts (including those for proteins involved in lipid synthesis and formation of the extracellular matrix) exhibited little change in their abundances. However, the altered carbon metabolism in Glc supplemented cells was correlated with modest alterations (approximately 2x) in the levels of some nuclear-encoded transcripts for sugar transporters. Finally, Glc-bleached SSB01 cells appeared unable to efficiently populate anemone larvae. Together, these results suggest links between energy metabolism and cellular physiology, morphology, and symbiotic interactions. However, the results also show that in contrast to many other organisms, Symbiodinium can undergo dramatic physiological changes that are not reflected by major changes in the abundances of nuclear-encoded transcripts and thus presumably reflect posttranscriptional regulatory processes. PMID- 29217595 TI - Preferential Distribution of Boron to Developing Tissues Is Mediated by the Intrinsic Protein OsNIP3. AB - Boron is especially required for the growth of meristem and reproductive organs, but the molecular mechanisms underlying the preferential distribution of B to these developing tissues are poorly understood. Here, we show evidence that a member of nodulin 26-like intrinsic protein (NIP), OsNIP3;1, is involved in this preferential distribution in rice (Oryza sativa). OsNIP3;1 was highly expressed in the nodes and its expression was up-regulated by B deficiency, but down regulated by high B. OsNIP3;1 was polarly localized at the xylem parenchyma cells of enlarged vascular bundles of nodes facing toward the xylem vessels. Furthermore, this protein was rapidly degraded within a few hours in response to high B. Knockout of this gene hardly affected the uptake and root-to-shoot translocation of B, but altered B distribution in different organs in the above ground parts, decreased distribution of B to the new leaves, and increased distribution to the old leaves. These results indicate that OsNIP3;1 located in the nodes is involved in the preferential distribution of B to the developing tissues by unloading B from the xylem in rice and that it is regulated at both transcriptional and protein level in response to external B level. PMID- 29217597 TI - Outcomes in coronary artery disease patients with sleepy obstructive sleep apnoea on CPAP. AB - Coronary artery disease (CAD) patients with obstructive sleep apnoea (OSA) have increased risk for major adverse cardiovascular and cerebrovascular events (MACCEs) compared with CAD patients without OSA. We aimed to address if the risk is similar in both groups when OSA patients are treated.This study was a parallel observational arm of the RICCADSA randomised controlled trial, conducted in Sweden between 2005 and 2013. Patients with revascularised CAD and OSA (apnoea hypopnoea index (AHI) >=15 events.h-1) with daytime sleepiness (Epworth Sleepiness Scale score >=10) were offered continuous positive airway pressure (CPAP) (n=155); CAD patients with no OSA (AHI <5 events.h-1) acted as controls (n=112), as a randomisation of sleepy OSA patients to no treatment would not be ethically feasible. The primary end-point was the first event of MACCEs. Median follow-up was 57 months.The incidence of MACCEs was 23.2% in OSA patients versus 16.1% in those with no OSA (adjusted hazard ratio 0.96, 95% CI 0.40-2.31; p=0.923). Age and previous revascularisation were associated with increased risk for MACCEs, whereas coronary artery bypass grafting at baseline was associated with reduced risk.We conclude that the risk for MACCEs was not increased in CAD patients with sleepy OSA on CPAP compared with patients without OSA. PMID- 29217596 TI - Seedling Establishment: A Dimmer Switch-Regulated Process between Dark and Light Signaling. PMID- 29217599 TI - ERS statement on obstructive sleep disordered breathing in 1- to 23-month-old children. AB - The present statement was produced by a European Respiratory Society Task Force to summarise the evidence and current practice on the diagnosis and management of obstructive sleep disordered breathing (SDB) in children aged 1-23 months. A systematic literature search was completed and 159 articles were summarised to answer clinically relevant questions. SDB is suspected when symptoms or abnormalities related to upper airway obstruction are identified. Morbidity (pulmonary hypertension, growth delay, behavioural problems) and coexisting conditions (feeding difficulties, recurrent otitis media) may be present. SDB severity is measured objectively, preferably by polysomnography, or alternatively polygraphy or nocturnal oximetry. Children with apparent upper airway obstruction during wakefulness, those with abnormal sleep study in combination with SDB symptoms (e.g. snoring) and/or conditions predisposing to SDB (e.g. mandibular hypoplasia) as well as children with SDB and complex conditions (e.g. Down syndrome, Prader-Willi syndrome) will benefit from treatment. Adenotonsillectomy and continuous positive airway pressure are the most frequently used treatment measures along with interventions targeting specific conditions (e.g. supraglottoplasty for laryngomalacia or nasopharyngeal airway for mandibular hypoplasia). Hence, obstructive SDB in children aged 1-23 months is a multifactorial disorder that requires objective assessment and treatment of all underlying abnormalities that contribute to upper airway obstruction during sleep. PMID- 29217598 TI - Phenotypes of symptomatic airways disease in China and New Zealand. AB - It is uncertain whether phenotypes of asthma and chronic obstructive pulmonary disease (COPD) vary between populations with different genetic and environmental characteristics. Here, our objective was to compare the phenotypes of airways disease in two separate populations.This was a cross-sectional observational study in adult populations from New Zealand and China. Participants aged 40-75 years who reported wheeze and breathlessness in the last 12 months were randomly selected from the general population and underwent detailed characterisation. Complete data for cluster analysis were available for 345 participants. Hierarchical cluster analysis was undertaken, based on 12 variables: forced expiratory volume in 1 s (FEV1), FEV1/forced vital capacity ratio, bronchodilator reversibility, peak expiratory flow variability, transfer coefficient of the lung for carbon monoxide, exhaled nitric oxide fraction, total IgE, C-reactive protein, age of symptom onset, body mass index, health status and cigarette smoke exposure.Cluster analysis of the combined dataset described five phenotypes: "severe late-onset asthma/COPD overlap group", "moderately severe early-onset asthma/COPD overlap group", "moderate to severe asthma group with type 2 predominant disease", and two groups with minimal airflow obstruction, differentiated by age of onset. Separate analyses by country showed similar patterns; however, a distinct obese/comorbid group was observed in the New Zealand population.Cluster analysis of adults with symptomatic airways disease suggests the presence of similar asthma/COPD overlap phenotypes within populations with different genetic and environmental characteristics, and an obese/comorbid phenotype in a Western population. PMID- 29217600 TI - Asthma phenotypes: do cough and wheeze predict exacerbations in persistent asthma? AB - Little is known of the long-term symptom profile in uncontrolled asthma and whether symptoms can predict distinct phenotypes. The primary objective of these analyses was to assess diurnal profile of cough and wheeze in an uncontrolled asthma population. Secondary outcomes were to examine how these symptom profiles influence response to treatment.Twice-daily electronically recorded data from 1701 patients were examined in relation to the population demographics. Reliever treatment with salbutamol was then compared with extra-fine beclometasone/formoterol maintenance and reliever therapy (MART). Exacerbation frequency was then correlated with the symptom profile.Symptoms were commoner in older patients with an increased body mass index. In most patients, reported cough and wheeze were closely correlated (r=0.73). Two phenotypes of cough- and wheeze-predominant patients were identified; the former were overweight, older females and the latter older males. Diurnal symptoms of cough and wheeze were similarly attenuated by both therapies. MART reduced exacerbation frequency by a third compared with salbutamol, and this effect was greatest in patients with fewest reported symptoms.While cough and wheeze are highly correlated in uncontrolled asthma, some patients predominantly have cough whereas others wheeze. Symptoms and exacerbation frequency appear poorly associated, suggesting an alternative pathophysiology. MART may be the preferred option in those with fewest symptoms. PMID- 29217601 TI - Novel magnetic resonance technique for functional imaging of cystic fibrosis lung disease. AB - Lung function tests are commonly used to monitor lung disease in cystic fibrosis (CF). While practical, they cannot locate the exact origin of functional impairment. Contemporary magnetic resonance imaging (MRI) techniques provide information on the location of disease but the need for contrast agents constrains their repeated application. We examined the correlation between functional MRI, performed without administration of contrast agent, and lung clearance index (LCI) from nitrogen multiple-breath washout (N2-MBW).40 children with CF (median (range) age 12.0 (6-18) years) and 12 healthy age-matched controls underwent functional and structural MRI and lung function tests on the same day. Functional MRI provided semiquantitative measures of perfusion (RQ) and ventilation (RFV) impairment as percentages of affected lung volume. Morphological MRI was evaluated using CF-specific scores. LCI measured global ventilation inhomogeneity.MRI detected functional impairment in CF: RFV 19-38% and RQ 16-35%. RFV and RQ correlated strongly with LCI (r=0.76, p<0.0001 and r=0.85, p<0.0001, respectively), as did total morphology score (r=0.81, p<0.0001). All indices differed significantly between patients with CF and healthy controls (p<0.001).Noninvasive functional MRI is a promising method to detect and visualise perfusion and ventilation impairment in CF without the need for contrast agents. PMID- 29217602 TI - Radiological abnormalities following bronchial thermoplasty: is the pathophysiology understood? PMID- 29217603 TI - Fluoroquinolone resistance in multidrug-resistant Mycobacterium tuberculosis independent of fluoroquinolone use. PMID- 29217604 TI - Asthma control and action plans. PMID- 29217605 TI - Care pathways for the selection of a biologic in severe asthma. PMID- 29217606 TI - Age should not be a barrier for pulmonary endarterectomy in carefully selected patients. PMID- 29217608 TI - Ten principles for climate, environment and respiratory health. PMID- 29217607 TI - Asthma control and action plans. PMID- 29217609 TI - Malaria and the development of pulmonary fibrosis. PMID- 29217610 TI - Radiological abnormalities following bronchial thermoplasty: is the pathophysiology understood? PMID- 29217613 TI - Flat foveal contour simulating macular hole. PMID- 29217612 TI - Mycobacterium tuberculosis of the elbow joint. AB - Mycobacterium tuberculosis(TB) affecting the elbow joint is rarely reported in the developed world. We present the case of an 85-year-old Caucasian female who complained of a chronically discharging and painful wound across her left elbow during her admission for an ischaemic stroke. This was initially deemed to be either a bursitis or local manifestation of amyloid by her general practitioner and dermatologist respectively prior to admission. She was commenced on flucloxacillin by the medical team for presumed cellulitis with minimal response. A synovial fluid sample and repeated wound swabs yielded no growth from routine bacterial culture. Radiological assessment together with knowledge of her husband having previous TB raised the possibility of TB arthritis. Synovial fluid aspirate was subsequently sent for acid-alcohol fast bacilli microscopy and mycobacterial culture that confirmed M. tuberculosis She was consequently started on multidrug TB therapy, over a year after the onset of her symptoms. PMID- 29217614 TI - Complication of deep brain stimulation for Parkinson's disease. PMID- 29217611 TI - Air pollution and subclinical interstitial lung disease: the Multi-Ethnic Study of Atherosclerosis (MESA) air-lung study. AB - We studied whether ambient air pollution is associated with interstitial lung abnormalities (ILAs) and high attenuation areas (HAAs), which are qualitative and quantitative measurements of subclinical interstitial lung disease (ILD) on computed tomography (CT).We performed analyses of community-based dwellers enrolled in the Multi-Ethnic Study of Atherosclerosis (MESA) study. We used cohort-specific spatio-temporal models to estimate ambient pollution (fine particulate matter (PM2.5), nitrogen oxides (NOx), nitrogen dioxide (NO2) and ozone (O3)) at each home. A total of 5495 participants underwent serial assessment of HAAs by cardiac CT; 2671 participants were assessed for ILAs using full lung CT at the 10-year follow-up. We used multivariable logistic regression and linear mixed models adjusted for age, sex, ethnicity, education, tobacco use, scanner technology and study site.The odds of ILAs increased 1.77-fold per 40 ppb increment in NOx (95% CI 1.06 to 2.95, p = 0.03). There was an overall trend towards an association between higher exposure to NOx and greater progression of HAAs (0.45% annual increase in HAAs per 40 ppb increment in NOx; 95% CI -0.02 to 0.92, p = 0.06). Associations of ambient fine particulate matter (PM2.5), NOx and NO2 concentrations with progression of HAAs varied by race/ethnicity (p = 0.002, 0.007, 0.04, respectively, for interaction) and were strongest among non-Hispanic white people.We conclude that ambient air pollution exposures were associated with subclinical ILD. PMID- 29217615 TI - Identity, personhood and the law: a response to Ashcroft and McGee. PMID- 29217616 TI - Interactome Mapping Uncovers a General Role for Numb in Protein Kinase Regulation. AB - Cellular functions are frequently regulated by protein-protein interactions involving the binding of a modular domain in one protein to a specific peptide sequence in another. This mechanism may be explored to identify binding partners for proteins harboring a peptide-recognition domain. Here we report a proteomic strategy combining peptide and protein microarray screening with biochemical and cellular assays to identify modular domain-mediated protein-protein interactions in a systematic manner. We applied this strategy to Numb, a multi-functional protein containing a phosphotyrosine-binding (PTB) domain. Through the screening of a protein microarray, we identified >100 protein kinases, including both Tyr and Ser/Thr kinases, that could potentially interact with the Numb PTB domain, suggesting a general role for Numb in regulating kinase function. The putative interactions between Numb and several tyrosine kinases were subsequently validated by GST pull-down and/or co-immunoprecipitation assays. Furthermore, using the Oriented Peptide Array Library approach, we defined the specificity of the Numb PTB domain which, in turn, allowed us to predict binding partners for Numb at the genome level. The combination of the protein microarray screening with computer-aided prediction produced the most expansive interactome for Numb to date, implicating Numb in regulating phosphorylation signaling through protein kinases and phosphatases. Not only does the data generated from this study provide an important resource for hypothesis-driven research to further define the function of Numb, the proteomic strategy described herein may be employed to uncover the interactome for other peptide-recognition domains whose consensus motifs are known or can be determined. PMID- 29217617 TI - Two-Step Coimmunoprecipitation (TIP) Enables Efficient and Highly Selective Isolation of Native Protein Complexes. AB - Coimmunoprecipitation (co-IP) is one of the most frequently used techniques to study protein-protein (PPIs) or protein-nucleic acid interactions (PNIs). However, the presence of coprecipitated contaminants is a well-recognized issue associated with single-step co-IPs. To overcome this limitation, we developed the two-step co-IP (TIP) strategy that enables sequential coimmunoprecipitations of endogenous protein complexes. TIP can be performed with a broad range of mono- and polyclonal antibodies targeting a single protein or different components of a given complex. TIP results in a highly selective enrichment of protein complexes and thus outperforms single-step co-IPs for downstream applications such as mass spectrometry for the identification of PPIs and quantitative PCR for the analysis of PNIs. We benchmarked TIP for the identification of CD95/FAS-interacting proteins in primary human CD4+ T cells, which recapitulated all major known interactors, but also enabled the proteomics discovery of PPM1G and IPO7 as new interaction partners. For its feasibility and high performance, we propose TIP as an advanced tool for the isolation of highly purified protein-protein and protein nucleic acid complexes under native expression conditions. PMID- 29217619 TI - microRNA-4331 Promotes Transmissible Gastroenteritis Virus (TGEV)-induced Mitochondrial Damage Via Targeting RB1, Upregulating Interleukin-1 Receptor Accessory Protein (IL1RAP), and Activating p38 MAPK Pathway In Vitro. AB - Transmissible gastroenteritis virus (TGEV), a member of the coronaviridae family, could cause fatal diarrhea of piglets and result in numerous economic losses. Previous studies demonstrated that TGEV infection could lead to mitochondrial damage and upregulate miR-4331 level. So miR-4331 may play an important regulatory role in the control of mitochondrial function. To explore the potential role of miR-4331 in mitochondrial damage, we adopted a strategy consisting of quantitative proteomic analysis of porcine kidney (PK-15) cells in response to miR-4331 and TGEV infection. Eventually, 69 differentially expressed proteins were gained. The target of miR-4331 was identified. The effects of miR 4331 and its target RB1 on mitochondrial Ca2+ level, mitochondrial membrane potential (MMP), interleukin-1 receptor accessory protein (IL1RAP), p38 MAPK signaling pathway were investigated. The results showed that miR-4331 elevated mitochondrial Ca2+ level, reduced MMP, targets Retinoblastoma 1 (RB1), upregulated IL1RAP, and induced activation of p38 MAPK pathway during TGEV infection. RB1 was identified as the direct targets of miR-4331 and downregulated IL1RAP, suppressed the activation of p38 MPAK, and attenuated TGEV-induced mitochondrial damage. In addition, IL1RAP played a positive role in activating p38 MAPK signaling and negative role in TGEV-induced mitochondrial damage. The data indicate that miR-4331 aggravates TGEV-induced mitochondrial damage by repressing expression of RB1, promoting IL1RAP, and activating p38 MAPK pathway. PMID- 29217620 TI - Risk of second malignant neoplasm and mortality in patients with rheumatoid arthritis treated with biological DMARDs: a Danish population-based cohort study. AB - OBJECTIVE: To study the risk of a second malignant neoplasm (SMN) and mortality in patients with rheumatoid arthritis (RA) with a history of a primary cancer diagnosis and treated with biological disease-modifying antirheumatic drugs (bDMARD). METHODS: Among patients with RA (n=15 286) registered in the DANBIO Register during 2000-2011, 1678 had a primary cancer according to the Danish Cancer Registry. HRs for SMN and death were calculated. RESULTS: During follow-up there were 279 patients with RA contributing person-years to the bDMARDs use before their primary cancer diagnosis, 220 to the only after, 92 to the both before and after, while 1203 patients with RA contributed to the non-use strata. Ever use of bDMARDs was associated with a HR of 1.11 (95% CI 0.74 to 1.67) for developing a SMN compared with non-use (cancer site adjusted). The HR for death associated with bDMARD use before the primary cancer diagnosis was increased 1.53 (95% CI 1.13 to 2.09). After further adjustment for extent of the primary cancer, the HR for death was 1.20 (95% CI 0.88 to 1.63) for bDMARDs use before cancer, 1.36 (95% CI 0.78 to 2.39) for bDMARD use only after cancer and 1.22 (95% CI 0.70 to 2.13) for use both before and after the cancer. CONCLUSIONS: Among patients with RA with a history of cancer, treatment with bDMARDs was not associated with increased risk of SMN. No clear conclusion can be drawn regarding mortality in bDMARD-treated patients with RA. PMID- 29217621 TI - Cardiovascular effects of hydroxychloroquine: a systematic review and meta analysis. PMID- 29217618 TI - Lipopolysaccharide Upregulates Palmitoylated Enzymes of the Phosphatidylinositol Cycle: An Insight from Proteomic Studies. AB - Lipopolysaccharide (LPS) is a component of the outer membrane of Gram-negative bacteria that induces strong proinflammatory reactions of mammals. These processes are triggered upon sequential binding of LPS to CD14, a GPI-linked plasma membrane raft protein, and to the TLR4/MD2 receptor complex. We have found earlier that upon LPS binding, CD14 triggers generation of phosphatidylinositol 4,5-bisphosphate [PI(4,5)P2], a lipid controlling subsequent proinflammatory cytokine production. Here we show that stimulation of RAW264 macrophage-like cells with LPS induces global changes of the level of fatty-acylated, most likely palmitoylated, proteins. Among the acylated proteins that were up-regulated in those conditions were several enzymes of the phosphatidylinositol cycle. Global profiling of acylated proteins was performed by metabolic labeling of RAW264 cells with 17ODYA, an analogue of palmitic acid functionalized with an alkyne group, followed by detection and enrichment of labeled proteins using biotin azide/streptavidin and their identification with mass spectrometry. This proteomic approach revealed that 154 fatty-acylated proteins were up-regulated, 186 downregulated, and 306 not affected in cells stimulated with 100 ng/ml LPS for 60 min. The acylated proteins affected by LPS were involved in diverse biological functions, as found by Ingenuity Pathway Analysis. Detailed studies of 17ODYA-labeled and immunoprecipitated proteins revealed that LPS induces S palmitoylation, hence activation, of type II phosphatidylinositol 4-kinase (PI4KII) beta, which phosphorylates phosphatidylinositol to phosphatidylinositol 4-monophosphate, a PI(4,5)P2 precursor. Silencing of PI4KIIbeta and PI4KIIalpha inhibited LPS-induced expression and production of proinflammatory cytokines, especially in the TRIF-dependent signaling pathway of TLR4. Reciprocally, this LPS-induced signaling pathway was significantly enhanced after overexpression of PI4KIIbeta or PI4KIIalpha; this was dependent on palmitoylation of the kinases. However, the S-palmitoylation of PI4KIIalpha, hence its activity, was constitutive in RAW264 cells. Taken together the data indicate that LPS triggers S-palmitoylation and activation of PI4KIIbeta, which generates PI(4)P involved in signaling pathways controlling production of proinflammatory cytokines. PMID- 29217622 TI - Smoking paradox in the development of psoriatic arthritis among patients with psoriasis. PMID- 29217623 TI - Prostaglandins D2 and E2 have opposite effects on alveolar macrophages infected with Histoplasma capsulatum. AB - Prostaglandin E2 (PGE2) suppresses macrophage effector mechanisms; however, little is known about the function of PGD2 in infected alveolar macrophages (AMs). Using serum-opsonized Histoplasma capsulatum (Ops-H. capsulatum) in vitro, we demonstrated that AMs produced PGE2 and PGD2 in a time-dependent manner, with PGE2 levels exceeding those of PGD2 by 48 h postinfection. Comparison of the effects of both exogenous PGs on AMs revealed that PGD2 increased phagocytosis and killing through the chemoattractant receptor-homologous molecule expressed on Th2 lymphocytes receptor, whereas PGE2 had opposite effects, through E prostanoid (EP) receptor 2 (EP2)/EP4-dependent mechanisms. Moreover, PGD2 inhibited phospholipase C-gamma (PLC-gamma) phosphorylation, reduced IL-10 production, and increased leukotriene B4 receptor expression. In contrast, exogenous PGE2 treatment reduced PLC-gamma phosphorylation, p38 and nuclear factor kappaB activation, TNF-alpha, H2O2, and leukotriene B4, but increased IL-1beta production. Using specific compounds to inhibit the synthesis of each PG in vitro and in vivo, we found that endogenous PGD2 contributed to fungicidal mechanisms and controlled inflammation, whereas endogenous PGE2 decreased phagocytosis and killing of the fungus and induced inflammation. These findings demonstrate that, although PGD2 acts as an immunostimulatory mediator to control H. capsulatum infection, PGE2 has immunosuppressive effects, and the balance between these two PGs may limit collateral immune damage at the expense of microbial containment. PMID- 29217624 TI - Applying a vernix caseosa based formulation accelerates skin barrier repair by modulating lipid biosynthesis. AB - Restoring the lipid homeostasis of the stratum corneum (SC) is a common strategy to enhance skin barrier function. Here, we used a ceramide containing vernix caseosa (VC)-based formulation and were able to accelerate barrier recovery in healthy volunteers. The recovery was examined over 16 days by monitoring trans epidermal water loss (TEWL) after barrier disruption by tape-stripping. Four skin sites were used to examine the effects of both treatment and barrier recovery. After 16 days, samples were harvested at these sites to examine the SC ceramide composition and lipid organization. Changes in ceramide profiles were identified using principal component analysis. After barrier recovery, the untreated sites showed increased levels of ceramide subclass AS and ceramides with a 34 total carbon-atom chain length, while the mean ceramide chain length was reduced. These changes were diminished by treatment with the studied formulation, which concurrently increased the formulated ceramides. Correlations were observed between SC lipid composition, lipid organization, and TEWL, and changes in the ceramide subclass composition suggest changes in the ceramide biosynthesis. These results suggest that VC-based formulations enhance skin barrier recovery and are attractive candidates to treat skin disorders with impaired barrier properties. PMID- 29217626 TI - Eating when ill is risky: immune defense impairs food detoxification in the caterpillar Manduca sexta. AB - Mounting an immune response consumes resources, which should lead to increased feeding. However, activating the immune system reduces feeding (i.e. illness induced anorexia) in both vertebrates and invertebrates, suggesting that it may be beneficial. We suggest that illness-induced anorexia may be an adaptive response to conflicts between immune defense and food detoxification. We found that activating an immune response in the caterpillar Manduca sexta increased its susceptibility to the toxin permethrin. Conversely, a sublethal dose of permethrin reduced resistance to the bacterium Serratia marcescens, demonstrating a negative interaction between detoxification and immune defense. Immune system activation and toxin challenge each depleted the amount of glutathione in the hemolymph. Increasing glutathione concentration in the hemolymph increased survival for both toxin- and immune+toxin-challenged groups. The results of this rescue experiment suggest that decreased glutathione availability, such as occurs during an immune response, impairs detoxification. We also found that the expression of some detoxification genes were not upregulated during a combined immune-toxin challenge, although they were when animals received a toxin challenge alone. These results suggest that immune defense reduces food detoxification capacity. Illness-induced anorexia may protect animals by decreasing exposure to food toxins when detoxification is impaired. PMID- 29217625 TI - Reducing gravity takes the bounce out of running. AB - In gravity below Earth-normal, a person should be able to take higher leaps in running. We asked 10 subjects to run on a treadmill in five levels of simulated reduced gravity and optically tracked centre-of-mass kinematics. Subjects consistently reduced ballistic height compared with running in normal gravity. We explain this trend by considering the vertical take-off velocity (defined as maximum vertical velocity). Energetically optimal gaits should balance the energetic costs of ground-contact collisions (favouring lower take-off velocity), and step frequency penalties such as leg swing work (favouring higher take-off velocity, but less so in reduced gravity). Measured vertical take-off velocity scaled with the square root of gravitational acceleration, following energetic optimality predictions and explaining why ballistic height decreases in lower gravity. The success of work-based costs in predicting this behaviour challenges the notion that gait adaptation in reduced gravity results from an unloading of the stance phase. Only the relationship between take-off velocity and swing cost changes in reduced gravity; the energetic cost of the down-to-up transition for a given vertical take-off velocity does not change with gravity. Because lower gravity allows an elongated swing phase for a given take-off velocity, the motor control system can relax the vertical momentum change in the stance phase, thus reducing ballistic height, without great energetic penalty to leg swing work. Although it may seem counterintuitive, using less 'bouncy' gaits in reduced gravity is a strategy to reduce energetic costs, to which humans seem extremely sensitive. PMID- 29217627 TI - The gastric caecum of larval Aedes aegypti: stimulation of epithelial ion transport by 5-hydroxytryptamine and cAMP. AB - We report measurements of ion transport across the gastric caecum of larvae of Aedes aegypti, a vector of yellow fever that inhabits a variety of aquatic habitats ranging from freshwater to brackish water. We provide the first measurements of the effect of 5-hydroxytryptamine (5-HT) on transepithelial potential (TEP), luminal ion concentrations and electrochemical potentials, as well as basolateral membrane potential and H+, Na+ and K+ fluxes. TEP, basolateral membrane potential, and H+, K+ and Na+ fluxes across the gastric caeca declined within 3-6 min after isolation of the entire midgut from the larva. 5-HT restored both the TEP and active accumulation of H+, K+ and Na+ in the lumen. Additionally, 5-HT restored H+, K+ and Na+ fluxes across the distal caecum of freshwater larvae, and restored H+ fluxes across the distal caecum of brackish water larvae. There was no effect of 5-HT on ion fluxes across the proximal caecum. We have also shown that 5-HT restores the basolateral membrane potential in cells of the distal, but not proximal, caecum. Effects of 5-HT on TEP and basolateral membrane potential were mimicked by application of cAMP but not by a phorbol ester. We provide a working model which proposes that 5-HT and cAMP stimulate the vacuolar H+-ATPase of the distal caecum. Our results provide evidence that the gastric caecum is functionally distinct from the adjacent anterior midgut and we discuss possible roles of the gastric caecum in osmoregulation. We also describe similarities in the arrangement of ion transporters in the caecum with those of the Malpighian tubules. PMID- 29217628 TI - Conversion efficiency of alpha-linolenic acid to omega-3 highly unsaturated fatty acids in aerial insectivore chicks. AB - Food availability and quality are both critical for growing young animals. In nature, swallows (Tachycineta bicolor) and other aerial insectivores feed on both aquatic insects, which are rich in omega-3 highly unsaturated fatty acids (HUFAs), and terrestrial insects, which contain considerably lower amounts of omega-3 HUFAs. Carnivorous mammals and fishes must obtain omega-3 HUFAs from their diet, as they have lost the capacity to convert the precursor omega-3 alpha linolenic acid (ALA) into omega-3 HUFAs. Thus, the relative value of aquatic versus terrestrial insects depends not only on the fatty acid composition of the prey but also on the capacity of consumers to convert ALA into omega-3 HUFAs. We used a combination of stable-isotope-labeled fatty acid tracers to ask whether, and how efficiently, tree swallows can deposit newly synthesized omega-3 HUFAs into tissue. Our data show for the first time that tree swallows can convert ALA into omega-3 HUFAs deposited in liver and skeletal muscle. However, high tree swallow demand for omega-3 HUFAs combined with low ALA availability in natural terrestrial foods may strain their modest conversion ability. This suggests that while tree swallows can synthesize omega-3 HUFAs de novo, omega-3 HUFAs are ecologically essential nutrients in natural systems. Our findings thus provide mechanistic support for our previous findings and the importance of omega-3 HUFA rich aquatic insects for tree swallows and most likely other aerial insectivores with similar niches. PMID- 29217629 TI - Map-like navigation from distances exceeding routine movements in the three striped poison frog (Ameerega trivittata). AB - Most animals move in dense habitats where distant landmarks are limited, but how they find their way around remains poorly understood. Poison frogs inhabit the rainforest understory, where they shuttle tadpoles from small territories to widespread pools. Recent studies revealed their excellent spatial memory and the ability to home back from several hundred meters. It remains unclear whether this homing ability is restricted to the areas that had been previously explored or whether it allows the frogs to navigate from areas outside their direct experience. Here, we used radio-tracking to study the navigational performance of three-striped poison frog translocated outside the area of their routine movements (200-800 m). Translocated frogs returned to their home territory via a direct path from all distances and with little difference in orientation accuracy, suggesting a flexible map-like navigation mechanism. These findings challenge our current understanding of both the mechanisms and the sensory basis of amphibian orientation. PMID- 29217630 TI - Woman in labour who was told not to come to hospital wins damages. PMID- 29217631 TI - How to deliver optimal cardiac resynchronisation therapy. PMID- 29217632 TI - Perioperative management of anticoagulant and antiplatelet therapy. PMID- 29217633 TI - Stress echocardiography in patients with native valvular heart disease. AB - Valve stress echocardiography (VSE) can be performed as exercise stress echocardiography (ESE) or dobutamine stress echocardiography (DSE) depending on the patient's clinical status, severity and type of valve disease. ESE combines exercise testing with two-dimensional grey scale and Doppler echocardiography during exercise. Thus, it provides objective assessment of symptomatic status (exercise test), as well as exercise-induced changes of a series of echocardiographic parameters (different depending on the valve disease type), which yield prognostic information in individual patients and help in a better treatment planning. DSE is useful in symptomatic patients with low-gradient aortic stenosis. It clarifies its severity and helps in assessing surgical risk in patients with severe disease and systolic dysfunction. It can be also used to test valve haemodynamics in asymptomatic patients with significant mitral stenosis unable to perform an exercise test or to test the left ventricle response, namely to test viability, in patients with ischaemic secondary mitral regurgitation. VSE has taught us that history taking, clinical examination and resting echocardiography give an 'incomplete picture' of the disease in patients presenting with a severe valve disease. Therefore, its use should be encouraged in such patients. PMID- 29217634 TI - Anthracycline cardiotoxicity: an update on mechanisms, monitoring and prevention. AB - Anthracycline chemotherapy causes dose-related cardiomyocyte injury and death leading to left ventricular dysfunction. Clinical heart failure may ensue in up to 5% of high-risk patients. Improved cancer survival together with better awareness of the late effects of cardiotoxicity has led to growing recognition of the need for surveillance of anthracycline-treated cancer survivors with early intervention to treat or prevent heart failure. The main mechanism of anthracycline cardiotoxicity is now thought to be through inhibition of topoisomerase 2beta resulting in activation of cell death pathways and inhibition of mitochondrial biogenesis. In addition to cumulative anthracycline dose, age and pre-existing cardiac disease are risk markers for cardiotoxicity. Genetic susceptibility factors will help identify susceptible patients in the future. Cardiac imaging with echocardiographic measurement of global longitudinal strain and cardiac troponin detect early myocardial injury prior to the development of left ventricular dysfunction. There is no consensus on how best to monitor anthracycline cardiotoxicity although guidelines advocate quantification of left ventricular ejection fraction before and after chemotherapy with additional scanning being justified in high-risk patients. Patients developing significant left ventricular dysfunction with or without clinical heart failure should be treated according to established guidelines. Liposomal encapsulation reduces anthracycline cardiotoxicity. Dexrazoxane administration with anthracycline interferes with binding to topoisomerase 2beta and reduces both cardiotoxicity and subsequent heart failure in high-risk patients. Angiotensin inhibition and beta-blockade are also protective and appear to prevent the development of left ventricular dysfunction when given prior or during chemotherapy in patients exhibiting early signs of cardiotoxicity. PMID- 29217635 TI - Early days in congenital heart surgery in the UK: the Peacock Club. PMID- 29217636 TI - Novel United Kingdom prognostic model for 30-day mortality following transcatheter aortic valve implantation. AB - OBJECTIVE: Existing clinical prediction models (CPM) for short-term mortality after transcatheter aortic valve implantation (TAVI) have limited applicability in the UK due to moderate predictive performance and inconsistent recording practices across registries. The aim of this study was to derive a UK-TAVI CPM to predict 30-day mortality risk for benchmarking purposes. METHODS: A two-step modelling strategy was undertaken: first, data from the UK-TAVI Registry between 2009 and 2014 were used to develop a multivariable logistic regression CPM using backwards stepwise regression. Second, model-updating techniques were applied using the 2013-2014 data, thereby leveraging new approaches to include frailty and to ensure the model was reflective of contemporary practice. Internal validation was performed by bootstrapping to estimate in-sample optimism corrected performance. RESULTS: Between 2009 and 2014, up to 6339 patients were included across 34 centres in the UK-TAVI Registry (mean age, 81.3; 2927 female (46.2%)). The observed 30-day mortality rate was 5.14%. The final UK-TAVI CPM included 15 risk factors, which included two variables associated with frailty. After correction for in-sample optimism, the model was well calibrated, with a calibration intercept of 0.02 (95% CI -0.17 to 0.20) and calibration slope of 0.79 (95% CI 0.55 to 1.03). The area under the receiver operating characteristic curve, after adjustment for in-sample optimism, was 0.66. CONCLUSION: The UK-TAVI CPM demonstrated strong calibration and moderate discrimination in UK-TAVI patients. This model shows potential for benchmarking, but even the inclusion of frailty did not overcome the need for more wide-ranging data and other outcomes might usefully be explored. PMID- 29217638 TI - Country-by-genotype-by-environment interaction in childhood academic achievement. PMID- 29217637 TI - How T cells grasp mycobacterial lipid antigens. PMID- 29217639 TI - Function of a retroviral envelope protein in the placenta of a viviparous lizard. PMID- 29217640 TI - Lipid bilayer mediates ion-channel cooperativity in a model of hair-cell mechanotransduction. AB - Mechanoelectrical transduction in the inner ear is a biophysical process underlying the senses of hearing and balance. The key players involved in this process are mechanosensitive ion channels. They are located in the stereocilia of hair cells and opened by the tension in specialized molecular springs, the tip links, connecting adjacent stereocilia. When channels open, the tip links relax, reducing the hair-bundle stiffness. This gating compliance makes hair cells especially sensitive to small stimuli. The classical explanation for the gating compliance is that the conformational rearrangement of a single channel directly shortens the tip link. However, to reconcile theoretical models based on this mechanism with experimental data, an unrealistically large structural change of the channel is required. Experimental evidence indicates that each tip link is a dimeric molecule, associated on average with two channels at its lower end. It also indicates that the lipid bilayer modulates channel gating, although it is not clear how. Here, we design and analyze a model of mechanotransduction where each tip link attaches to two channels, mobile within the membrane. Their states and positions are coupled by membrane-mediated elastic forces arising from the interaction between the channels' hydrophobic cores and that of the lipid bilayer. This coupling induces cooperative opening and closing of the channels. The model reproduces the main properties of hair-cell mechanotransduction using only realistic parameters constrained by experimental evidence. This work provides an insight into the fundamental role that membrane-mediated ion-channel cooperativity can play in sensory physiology. PMID- 29217641 TI - Molecular chaperones maximize the native state yield on biological times by driving substrates out of equilibrium. AB - Molecular chaperones facilitate the folding of proteins and RNA in vivo. Under physiological conditions, the in vitro folding of Tetrahymena ribozyme by the RNA chaperone CYT-19 behaves paradoxically; increasing the chaperone concentration reduces the yield of native ribozymes. In contrast, the protein chaperone GroEL works as expected; the yield of the native substrate increases with chaperone concentration. The discrepant chaperone-assisted ribozyme folding thus contradicts the expectation that it operates as an efficient annealing machine. To resolve this paradox, we propose a minimal stochastic model based on the Iterative Annealing Mechanism (IAM) that offers a unified description of chaperone-mediated folding of both proteins and RNA. Our theory provides a general relation that quantitatively predicts how the yield of native states depends on chaperone concentration. Although the absolute yield of native states decreases in the Tetrahymena ribozyme, the product of the folding rate and the steady-state native yield increases in both cases. By using energy from ATP hydrolysis, both CYT-19 and GroEL drive their substrate concentrations far out of equilibrium, thus maximizing the native yield in a short time. This also holds when the substrate concentration exceeds that of GroEL. Our findings satisfy the expectation that proteins and RNA be folded by chaperones on biologically relevant time scales, even if the final yield is lower than what equilibrium thermodynamics would dictate. The theory predicts that the quantity of chaperones in vivo has evolved to optimize native state production of the folded states of RNA and proteins in a given time. PMID- 29217643 TI - Monitoring progress towards planetary health. PMID- 29217644 TI - Patient centred diagnosis of dementia: we must listen to patients' wishes. PMID- 29217642 TI - Nicotinamide Riboside Preserves Cardiac Function in a Mouse Model of Dilated Cardiomyopathy. AB - BACKGROUND: Myocardial metabolic impairment is a major feature in chronic heart failure. As the major coenzyme in fuel oxidation and oxidative phosphorylation and a substrate for enzymes signaling energy stress and oxidative stress response, nicotinamide adenine dinucleotide (NAD+) is emerging as a metabolic target in a number of diseases including heart failure. Little is known on the mechanisms regulating homeostasis of NAD+ in the failing heart. METHODS: To explore possible alterations of NAD+ homeostasis in the failing heart, we quantified the expression of NAD+ biosynthetic enzymes in the human failing heart and in the heart of a mouse model of dilated cardiomyopathy (DCM) triggered by Serum Response Factor transcription factor depletion in the heart (SRFHKO) or of cardiac hypertrophy triggered by transverse aorta constriction. We studied the impact of NAD+ precursor supplementation on cardiac function in both mouse models. RESULTS: We observed a 30% loss in levels of NAD+ in the murine failing heart of both DCM and transverse aorta constriction mice that was accompanied by a decrease in expression of the nicotinamide phosphoribosyltransferase enzyme that recycles the nicotinamide precursor, whereas the nicotinamide riboside kinase 2 (NMRK2) that phosphorylates the nicotinamide riboside precursor is increased, to a higher level in the DCM (40-fold) than in transverse aorta constriction (4-fold). This shift was also observed in human failing heart biopsies in comparison with nonfailing controls. We show that the Nmrk2 gene is an AMP-activated protein kinase and peroxisome proliferator-activated receptor alpha responsive gene that is activated by energy stress and NAD+ depletion in isolated rat cardiomyocytes. Nicotinamide riboside efficiently rescues NAD+ synthesis in response to FK866-mediated inhibition of nicotinamide phosphoribosyltransferase and stimulates glycolysis in cardiomyocytes. Accordingly, we show that nicotinamide riboside supplementation in food attenuates the development of heart failure in mice, more robustly in DCM, and partially after transverse aorta constriction, by stabilizing myocardial NAD+ levels in the failing heart. Nicotinamide riboside treatment also robustly increases the myocardial levels of 3 metabolites, nicotinic acid adenine dinucleotide, methylnicotinamide, and N1-methyl-4-pyridone-5-carboxamide, that can be used as validation biomarkers for the treatment. CONCLUSIONS: The data show that nicotinamide riboside, the most energy-efficient among NAD precursors, could be useful for treatment of heart failure, notably in the context of DCM, a disease with few therapeutic options. PMID- 29217646 TI - Risk tools are used to protect doctors and institutions. PMID- 29217645 TI - Do patients who die from an alcohol-related condition 'drift' into areas of greater deprivation? Alcohol-related mortality and health selection theory in Scotland. AB - BACKGROUND: Health selection has been proposed to explain the patterning of alcohol-related mortality by area deprivation. This study investigated whether persons who die from alcohol-related conditions are more likely to experience social drift than those who die from other causes. METHODS: Deaths recorded in Scotland (2013, >21 years) were coded as 'alcohol-related' or 'other' and by deprivation decile of residence at death. Acute hospital admissions data from 1996 to 2012 were used to provide premortality deprivation data. chi2 tests estimated the difference between observed and expected alcohol-related deaths by first Scottish Index of Multiple Deprivation (SIMD) decile and type of death. Logistic regression models were fitted using type of death as the outcome of interest and change in SIMD decile as the exposure of interest. RESULTS: Of 47 012 deaths, 1458 were alcohol-related. Upward and downward mobility was observed for both types of death. An estimated 31 more deaths than expected were classified 'alcohol-related' among cases whose deprivation score decreased, while 204 more deaths than expected were classified 'alcohol-related' among cases whose initial deprivation ranking was in the four most deprived deciles. Becoming more deprived and first deprivation category were both associated with increased odds of type of death being alcohol-related after adjusting for confounders. CONCLUSION: This study suggests that health selection appears to contribute less to the deprivation gradient in alcohol-related mortality in Scotland than an individual's initial area deprivation category. PMID- 29217647 TI - Things that go BONG! in the night. PMID- 29217648 TI - The interaction of ENL with PAF1 mitigates polycomb silencing and facilitates murine leukemogenesis. AB - Eleven-nineteen leukemia (ENL) is a chromatin reader present in complexes stimulating transcriptional elongation. It is fused to mixed-lineage leukemia (MLL) in leukemia, and missense mutations have been identified in Wilms tumor and acute myeloid leukemia. Here we demonstrate that ENL overcomes polycomb silencing through recruitment of PAF1 via the conserved YEATS domain, which recognizes acetylated histone H3. PAF1 was responsible for antirepressive activities of ENL in vitro, and it determined the transforming potential of MLL-ENL. MLL-ENL target loci showed supraphysiological PAF1 binding, hyperubiquitination of histone H2B and hypomodification with H2AUb, resulting in accelerated transcription rates. YEATS mutations induced a gain of function, transforming primary hematopoietic cells in vitro and in transplantation assays through aberrant transcription and H2B ubiquitination of Hoxa9 and Meis1 Mechanistically, H3 and PAF1 competed for ENL interaction, with activating mutations favoring PAF1 binding, whereas the MLL moiety provided a constitutive PAF1 tether allowing MLL fusions to circumvent H3 competition. PMID- 29217649 TI - An unusual cause of hypoxia: getting to the heart of the matter. AB - A 63 year old female presented to hospital with progressive exertional dyspnoea over a 6 month period. In the year preceding her admission, she reported an intercurrent history of abdominal pain, diarrhoea and weight loss. She was found to be hypoxic, the cause for which was initially unclear. A ventilation-perfusion scan identified a right-to-left shunt. Transoesophageal echocardiography (TOE) demonstrated a significant right-to-left intracardiac shunt through a patent foramen ovale (PFO); additionally severe tricuspid regurgitation was noted through a highly abnormal tricuspid valve. The findings were consistent with carcinoid heart disease with a haemodynamically significant shunt, resulting in profound systemic hypoxia. 24 hour urinary 5-Hydroxyindoleacetic acid (5-HIAA) and imaging were consistent with a terminal ileal primary carcinoid cancer with hepatic metastasis. Liver biopsy confirmed a tissue diagnosis. The patient was commenced on medical therapy for carcinoid syndrome. She subsequently passed away while undergoing anaesthetic induction for valvular surgery to treat her carcinoid heart disease and PFO. PMID- 29217650 TI - Serum and urine vitamin D metabolite analysis in early preeclampsia. AB - Vitamin D deficiency is common in pregnant women and may contribute to adverse events in pregnancy such as preeclampsia (PET). To date, studies of vitamin D and PET have focused primarily on serum concentrations vitamin D, 25-hydroxyvitamin D3 (25(OH)D3) later in pregnancy. The aim here was to determine whether a more comprehensive analysis of vitamin D metabolites earlier in pregnancy could provide predictors of PET. Using samples from the SCOPE pregnancy cohort, multiple vitamin D metabolites were quantified by liquid chromatography-tandem mass spectrometry in paired serum and urine prior to the onset of PET symptoms. Samples from 50 women at pregnancy week 15 were analysed, with 25 (50%) developing PET by the end of the pregnancy and 25 continuing with uncomplicated pregnancy. Paired serum and urine from non-pregnant women (n = 9) of reproductive age were also used as a control. Serum concentrations of 25(OH)D3, 25(OH)D2, 1,25(OH)2D3, 24,25(OH)2D3 and 3-epi-25(OH)D3 were measured and showed no significant difference between women with uncomplicated pregnancies and those developing PET. As previously reported, serum 1,25(OH)2D3 was higher in all pregnant women (in the second trimester), but serum 25(OH)D2 was also higher compared to non-pregnant women. In urine, 25(OH)D3 and 24,25(OH)2D3 were quantifiable, with both metabolites demonstrating significantly lower (P < 0.05) concentrations of both of these metabolites in those destined to develop PET. These data indicate that analysis of urinary metabolites provides an additional insight into vitamin D and the kidney, with lower urinary 25(OH)D3 and 24,25(OH)2D3 excretion being an early indicator of a predisposition towards developing PET. PMID- 29217651 TI - Interleukin-18 serum level is elevated in type 2 diabetes and latent autoimmune diabetes. AB - BACKGROUND: Interleukin-18 (IL-18) is an inflammatory cytokine found to be elevated in obesity, metabolic syndrome and type 2 diabetes (T2D) as a part of the chronic low-grade inflammatory process in these states. The aim of the study was to evaluate the interleukin level in patients with latent autoimmune diabetes of the adults (LADA) in comparison to that in T2D subjects. MATERIALS AND METHODS: IL-18 was analyzed through enzyme-linked immunosorbent assay in 76 participants with T2D and 24 with LADA and 14 control subjects. Evaluation was also carried out in body mass index (BMI)- and glycemic control-matched diabetic patients. RESULTS: The serum concentration of IL-18 was higher in patients with T2D (389.04 +/- 203.44 pg/mL) and LADA (327.04 +/- 144.48 pg/mL) than that in control subjects (219.88 +/- 91.03 pg/mL), P < 0.05. However, it was not significantly different between both diabetic groups (P = 0.255) despite higher IL-6 (4.78 +/- 5.84 vs 1.79 +/- 0.96 pg/mL, P < 0.001) and hs-CRP (2.60 +/- 1.70 vs 1.29 +/- 1.20 mg/L, P = 0.002) level in T2D patients. The results were persistent in BMI-matched subjects with diabetes (IL-18 = 403.48 +/- 226.32 vs 329.30 +/- 146.30 pg/mL, respectively for T2D and LADA, P = 0.391). The correlations in T2D group concerning HDL cholesterol (r = -0.377, P = 0.001), postprandial glucose (r = 0.244, P = 0.043), IL-6 (r = 0.398, P < 0.001) and hs CRP (r = 0.427, P = 0.001) were not confirmed in LADA and control subjects. CONCLUSION: The IL-18 serum level was higher in T2D and LADA than that in control subjects, but did not differ between both diabetic groups, even when they were BMI matched. Correlations with lipid, glycemic and inflammatory parameters were present in T2D only. PMID- 29217652 TI - Initial clinical presentation and spectrum of pheochromocytoma: a study of 94 cases from a single center. AB - BACKGROUND: With the increasing access to imaging more pheochromocytomas are diagnosed in the workup of adrenal incidentalomas. This may have changed the occurrence of the classic presentation with hypertension and the classic triad (headaches, sweating and palpitation). METHODS: We reviewed 94 consecutive cases of pheochromocytomas. Two cases of ectopic ACTH-syndrome were subsequently excluded. RESULTS: Of the 92 cases included 64% had presented as an incidentaloma, 32% as a suspected pheochromocytoma and 4% had been screened because of previously diagnosed MEN2A. Those screened were youngest while those with incidentalomas were oldest. The females were more common in the incidentaloma and the screening groups, and males in the suspected pheochromocytoma group. Measurements of noradrenaline/normetanephrine levels were highest in the suspected pheocromocytoma group and lowest in the screening group. Hypertension was present in 63% of the incidentalomas, 79% of suspected pheochromocytomas and in none of the screening group. Paroxysmal symptoms were present in almost all with suspected pheochromocytoma while only in half of the other groups. The suspected pheocromocytoma group had most symptoms and the screening group least. The classic triad was present in 14% of the incidentalomas, in 28% of the suspected and in none of the screening group, while no symptoms at all was present in 12%, 0% and 25%, respectively. Pheochromocytoma crisis occurred in 5%. There was a positive correlation between tumor size vs hormone levels, and catecholamine levels vs blood pressure. CONCLUSION: Clinicians need to be aware of the modern presentation of pheochromocytomas since early identification can be life-saving. PMID- 29217653 TI - Exenatide treatment causes suppression of serum fasting ghrelin levels in patients with type 2 diabetes mellitus. AB - AIM: In the present study, we investigated the long-term effects of exenatide treatment on serum fasting ghrelin levels in patients with type 2 diabetes mellitus. METHODS: Type 2 diabetic patients, who were using metformin with and without the other antihyperglycemic drugs on a stable dose for at least 3 months, were enrolled in the study. BMI>35 kg/m2 and HbA1c>7.0% were the additional inclusion criteria. Oral antihyperglycemic drugs, other than metformin, were stopped, and metformin treatment was continued at 2000 mg per day. Exenatide treatment was initiated at 5 ug per dose subcutaneously (sc) twice daily, and after one month, the dose of exenatide was increased to 10 ug twice daily. Changes in anthropometric variables, glycemic control, lipid parameters and total ghrelin levels were evaluated at baseline and following 12 weeks of treatment. RESULTS: Thirty-eight patients (male/female = 7/31) entered the study. The mean age of patients was 50.5 +/- 8.8 years with a mean diabetes duration of 8.5 +/- 4.9 years. The mean BMI was 41.6 +/- 6.3 kg/m2 and the mean HbA1c of patients was 8.9 +/- 1.4%. The mean change in the weight of patients was -5.6 kg and the percentage change in weight was -5.2 +/- 3.7% following 12 weeks of treatment. BMI, fasting plasma glucose and HbA1c levels of patients were decreased significantly (P < 0.001 and P < 0.001; respectively), while there was no change in lipid parameters. Serum fasting ghrelin levels were significantly suppressed following 12 weeks of exenatide treatment compared with baseline values (328.4 +/ 166.8 vs 245.3 +/- 164.8 pg/mL) (P = 0.024). CONCLUSION: These results suggest that the effects of exenatide on weight loss may be related with the suppression of serum fasting ghrelin levels, which is an orexigenic peptide. PMID- 29217654 TI - The p300 and CBP Transcriptional Coactivators Are Required for beta-Cell and alpha-Cell Proliferation. AB - p300 (EP300) and CBP (CREBBP) are transcriptional coactivators with histone acetyltransferase activity. Various beta-cell transcription factors can recruit p300/CBP, and thus the coactivators could be important for beta-cell function and health in vivo. We hypothesized that p300/CBP contribute to the development and proper function of pancreatic islets. To test this, we bred and studied mice lacking p300/CBP in their islets. Mice lacking either p300 or CBP in islets developed glucose intolerance attributable to impaired insulin secretion, together with reduced alpha- and beta-cell area and islet insulin content. These phenotypes were exacerbated in mice with only a single copy of p300 or CBP expressed in islets. Removing p300 in pancreatic endocrine progenitors impaired proliferation of neonatal alpha- and beta-cells. Mice lacking all four copies of p300/CBP in pancreatic endocrine progenitors failed to establish alpha- and beta cell mass postnatally. Transcriptomic analyses revealed significant overlaps between p300/CBP-downregulated genes and genes downregulated in Hnf1alpha-null islets and Nkx2.2-null islets, among others. Furthermore, p300/CBP are important for the acetylation of H3K27 at loci downregulated in Hnf1alpha-null islets. We conclude that p300 and CBP are limiting cofactors for islet development, and hence for postnatal glucose homeostasis, with some functional redundancy. PMID- 29217655 TI - Regulation of Lipolytic Response and Energy Balance by Melanocortin 2 Receptor Accessory Protein (MRAP) in Adipocytes. AB - Melanocortin 2 receptor accessory protein (MRAP) is highly expressed in adrenal gland and adipose tissue. In adrenal cells, MRAP is essential for adrenocorticotropic hormone (ACTH)-induced activation of the cAMP/protein kinase A (PKA) pathway by melanocortin 2 receptor (MC2R), leading to glucocorticoid production and secretion. Although ACTH was known to stimulate PKA-dependent lipolysis, the functional involvement of MRAP in adipocyte metabolism remains incompletely defined. Herein, we found that knockdown or overexpression of MRAP in 3T3-L1 adipocytes reduced or increased ACTH-induced lipolysis, respectively. Moreover, an unbiased proteomics screen and coimmunoprecipitation analysis identified Galphas as a novel interacting partner of MRAP. An MRAP mutant disabled in Galphas association failed to augment the activation of PKA and lipolytic response to ACTH. Furthermore, compared with wild-type mice, transgenic mice (aP2-MRAP) overexpressing MRAP fat specifically exhibited increased lipolytic response to ACTH. When fed a high-fat diet (HFD), the transgenic mice displayed a significant decrease in the gain of adiposity and body weight as well as an improvement in glucose and insulin tolerance. These phenotypes were accompanied by increased adipose expression of genes for mitochondrial fatty acid oxidation and thermogenesis, and overall energy expenditure. Collectively, our data strongly suggest that MRAP plays a critical role in the regulation of ACTH induced adipose lipolysis and whole-body energy balance. PMID- 29217656 TI - Anti-Inflammatory Effects of Omega-3 Fatty Acids in the Brain: Physiological Mechanisms and Relevance to Pharmacology. AB - Classically, polyunsaturated fatty acids (PUFA) were largely thought to be relatively inert structural components of brain, largely important for the formation of cellular membranes. Over the past 10 years, a host of bioactive lipid mediators that are enzymatically derived from arachidonic acid, the main n 6 PUFA, and docosahexaenoic acid, the main n-3 PUFA in the brain, known to regulate peripheral immune function, have been detected in the brain and shown to regulate microglia activation. Recent advances have focused on how PUFA regulate the molecular signaling of microglia, especially in the context of neuroinflammation and behavior. Several active drugs regulate brain lipid signaling and provide proof of concept for targeting the brain. Because brain lipid metabolism relies on a complex integration of diet, peripheral metabolism, including the liver and blood, which supply the brain with PUFAs that can be altered by genetics, sex, and aging, there are many pathways that can be disrupted, leading to altered brain lipid homeostasis. Brain lipid signaling pathways are altered in neurologic disorders and may be viable targets for the development of novel therapeutics. In this study, we discuss in particular how n 3 PUFAs and their metabolites regulate microglia phenotype and function to exert their anti-inflammatory and proresolving activities in the brain. PMID- 29217658 TI - Nucleic acid-based nanotechnology: The ability of DNA and RNA to fold into precise and complex shapes can be exploited for applications both in biology and electronics. PMID- 29217657 TI - The unique histidine in OSCP subunit of F-ATP synthase mediates inhibition of the permeability transition pore by acidic pH. AB - The permeability transition pore (PTP) is a Ca2+-dependent mitochondrial channel whose opening causes a permeability increase in the inner membrane to ions and solutes. The most potent inhibitors are matrix protons, with channel block at pH 6.5. Inhibition is reversible, mediated by histidyl residue(s), and prevented by their carbethoxylation by diethylpyrocarbonate (DPC), but their assignment is unsolved. We show that PTP inhibition by H+ is mediated by the highly conserved histidyl residue (H112 in the human mature protein) of oligomycin sensitivity conferral protein (OSCP) subunit of mitochondrial F1FO (F)-ATP synthase, which we also show to undergo carbethoxylation after reaction of mitochondria with DPC. Mitochondrial PTP-dependent swelling cannot be inhibited by acidic pH in H112Q and H112Y OSCP mutants, and the corresponding megachannels (the electrophysiological counterpart of the PTP) are insensitive to inhibition by acidic pH in patch-clamp recordings of mitoplasts. Cells harboring the H112Q and H112Y mutations are sensitized to anoxic cell death at acidic pH. These results demonstrate that PTP channel formation and its inhibition by H+ are mediated by the F-ATP synthase. PMID- 29217659 TI - ROCK-dependent phosphorylation of NUP62 regulates p63 nuclear transport and squamous cell carcinoma proliferation. AB - p63, more specifically its DeltaNp63alpha isoform, plays essential roles in squamous cell carcinomas (SCCs), yet the mechanisms controlling its nuclear transport remain unknown. Nucleoporins (NUPs) are a family of proteins building nuclear pore complexes (NPC) and mediating nuclear transport across the nuclear envelope. Recent evidence suggests a cell type-specific function for certain NUPs; however, the significance of NUPs in SCC biology remains unknown. In this study, we show that nucleoporin 62 (NUP62) is highly expressed in stratified squamous epithelia and is further elevated in SCCs. Depletion of NUP62 inhibits proliferation and augments differentiation of SCC cells. The impaired ability to maintain the undifferentiated status is associated with defects in DeltaNp63alpha nuclear transport. We further find that differentiation-inducible Rho kinase reduces the interaction between NUP62 and DeltaNp63alpha by phosphorylation of phenylalanine-glycine regions of NUP62, attenuating DeltaNp63alpha nuclear import. Our results characterize NUP62 as a gatekeeper for DeltaNp63alpha and uncover its role in the control of cell fate through regulation of DeltaNp63alpha nuclear transport in SCC. PMID- 29217660 TI - Chimeric Pneumoviridae fusion proteins as immunogens to induce cross-neutralizing antibody responses. AB - Human respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV), two members of the Pneumoviridae family, account for the majority of severe lower respiratory tract infections worldwide in very young children. They are also a frequent cause of morbidity and mortality in the elderly and immunocompromised adults. High levels of neutralizing antibodies, mostly directed against the viral fusion (F) glycoprotein, correlate with protection against either hRSV or hMPV However, no cross-neutralization is observed in polyclonal antibody responses raised after virus infection or immunization with purified F proteins. Based on crystal structures of hRSV F and hMPV F, we designed chimeric F proteins in which certain residues of well-characterized antigenic sites were swapped between the two antigens. The antigenic changes were monitored by ELISA with virus-specific monoclonal antibodies. Inoculation of mice with these chimeras induced polyclonal cross-neutralizing antibody responses, and mice were protected against challenge with the virus used for grafting of the heterologous antigenic site. These results provide a proof of principle for chimeric fusion proteins as single immunogens that can induce cross-neutralizing antibody and protective responses against more than one human pneumovirus. PMID- 29217661 TI - FoxO3 an important player in fibrogenesis and therapeutic target for idiopathic pulmonary fibrosis. AB - Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal parenchymal lung disease with limited therapeutic options, with fibroblast-to-myofibroblast transdifferentiation and hyperproliferation playing a major role. Investigating ex vivo-cultured (myo)fibroblasts from human IPF lungs as well as fibroblasts isolated from bleomycin-challenged mice, Forkhead box O3 (FoxO3) transcription factor was found to be less expressed, hyperphosphorylated, and nuclear-excluded relative to non-diseased controls. Downregulation and/or hyperphosphorylation of FoxO3 was reproduced by exposure of normal human lung fibroblasts to various pro fibrotic growth factors and cytokines (FCS, PDGF, IGF1, TGF-beta1). Moreover, selective knockdown of FoxO3 in the normal human lung fibroblasts reproduced the transdifferentiation and hyperproliferation phenotype. Importantly, mice with global- (Foxo3-/-) or fibroblast-specific (Foxo3f.b-/-) FoxO3 knockout displayed enhanced susceptibility to bleomycin challenge, with augmented fibrosis, loss of lung function, and increased mortality. Activation of FoxO3 with UCN-01, a staurosporine derivative currently investigated in clinical cancer trials, reverted the IPF myofibroblast phenotype in vitro and blocked the bleomycin induced lung fibrosis in vivo These studies implicate FoxO3 as a critical integrator of pro-fibrotic signaling in lung fibrosis and pharmacological reconstitution of FoxO3 as a novel treatment strategy. PMID- 29217662 TI - Long-Term Prognostic Implications of Cerebral Microbleeds in Chinese Patients With Ischemic Stroke. AB - BACKGROUND: This study was performed to determine the clinical correlates and long-term prognostic implications of microbleed burden and location in Chinese patients with ischemic stroke. METHODS AND RESULTS: We recruited 1003 predominantly Chinese patients with ischemic stroke who received magnetic resonance imaging at the University of Hong Kong. We determined the clinical correlates of microbleeds and the long-term risks (3126 patient-years of follow up) of recurrent ischemic stroke and intracerebral hemorrhage (ICH) by microbleed burden (0 versus 1, 2-4, and >=5) and location, adjusting for age, sex, and vascular risk factors and stratified by antithrombotic use. Microbleeds were present in 450 of 1003 of the study population (119/450 had >=5, 187/450 had mixed location). Having >=5 microbleeds was independently associated with prior antiplatelet and anticoagulant use, whereas microbleeds of mixed location were independently associated with hypertension and prior anticoagulant use (all P<0.05). Microbleed burden was associated with an increased risk of ICH (microbleed burden versus no microbleeds: 1 microbleed: multivariate hazard ratio: 0.59 [95% confidence interval, 0.07-5.05]; 2-4 microbleeds: multivariate hazard ratio: 2.14 [95% confidence interval, 0.50-9.12]; >=5 microbleeds: multivariate hazard ratio: 9.51 [95% confidence interval, 3.25-27.81]; Ptrend<0.0001), but the relationship of microbleed burden and risk of recurrent ischemic stroke was not significant (Ptrend=0.054). Similar findings were noted in the 862 of 1003 patients treated with antiplatelet agents only (ICH: Ptrend<0.0001; ischemic stroke Ptrend=0.096). Multivariate analysis revealed that, independent of vascular risk factors, antithrombotic use, and other neuroimaging markers of small vessel disease, having >=5 microbleeds (multivariate hazard ratio: 6.08 [95% confidence interval, 1.11-33.21]; P=0.037) was identified as an independent predictor of subsequent ICH, but neither microbleed burden nor location was predictive of recurrent ischemic stroke risk. CONCLUSIONS: In Chinese patients with ischemic stroke, a high burden of cerebral microbleeds was significantly associated with an increased risk of ICH; however, neither microbleed location nor burden was associated with recurrent ischemic stroke risk. PMID- 29217663 TI - Prevalence and Clinical Characteristics of Refractory Hypertension. AB - BACKGROUND: We aimed to estimate the prevalence of refractory hypertension (RfH) and to determine the clinical differences between these patients and resistant hypertensives (RH). Secondly, we assessed the prevalence of white-coat RfH and clinical differences between true- and white-coat RfH patients. METHODS AND RESULTS: The present analysis was conducted on the Spanish Ambulatory Blood Pressure Monitoring Registry database containing 70 997 treated hypertensive patients. RH and RfH were defined by the presence of elevated office blood pressure (>=140 and/or 90 mm Hg) in patients treated with at least 3 (RH) and 5 (RfH) antihypertensive drugs. White-coat RfH was defined by RfH with normal (<130/80 mm Hg) 24-hour blood pressure. A total of 11.972 (16.9%) patients fulfilled the standard criteria of RH, and 955 (1.4%) were considered as having RfH. Compared with RH patients, those with RfH were younger, more frequently male, and after adjusting for age and sex, had increased prevalence of target organ damage, and previous cardiovascular disease. The prevalence of white coat RfH was lower than white-coat RH (26.7% versus 37.1%, P<0.001). White-coat RfH, in comparison with those with true RfH, showed a lower prevalence of both left ventricular hypertrophy (22% versus 29.7%; P=0.018) and microalbuminuria (28.3% versus 42.9%; P=0.047). CONCLUSIONS: The prevalence of RfH was low and these patients had a greater cardiovascular risk profile compared with RH. One out of 4 patients with RfH have normal 24-hour blood pressure and less target organ damage, thus indicating the important role of ambulatory blood pressure monitoring in guiding antihypertensive therapy in difficult-to-treat patients. PMID- 29217665 TI - Critical determinants of combined sprint and endurance performance: an integrative analysis from muscle fiber to the human body. AB - Optimizing physical performance is a major goal in current physiology. However, basic understanding of combining high sprint and endurance performance is currently lacking. This study identifies critical determinants of combined sprint and endurance performance using multiple regression analyses of physiologic determinants at different biologic levels. Cyclists, including 6 international sprint, 8 team pursuit, and 14 road cyclists, completed a Wingate test and 15-km time trial to obtain sprint and endurance performance results, respectively. Performance was normalized to lean body mass2/3 to eliminate the influence of body size. Performance determinants were obtained from whole-body oxygen consumption, blood sampling, knee-extensor maximal force, muscle oxygenation, whole-muscle morphology, and muscle fiber histochemistry of musculus vastus lateralis. Normalized sprint performance was explained by percentage of fast-type fibers and muscle volume ( R2 = 0.65; P < 0.001) and normalized endurance performance by performance oxygen consumption ( Vo2), mean corpuscular hemoglobin concentration, and muscle oxygenation ( R2 = 0.92; P < 0.001). Combined sprint and endurance performance was explained by gross efficiency, performance Vo2, and likely by muscle volume and fascicle length ( P = 0.056; P = 0.059). High performance Vo2 related to a high oxidative capacity, high capillarization * myoglobin, and small physiologic cross-sectional area ( R2 = 0.67; P < 0.001). Results suggest that fascicle length and capillarization are important targets for training to optimize sprint and endurance performance simultaneously.-Van der Zwaard, S., van der Laarse, W. J., Weide, G., Bloemers, F. W., Hofmijster, M. J., Levels, K., Noordhof, D. A., de Koning, J. J., de Ruiter, C. J., Jaspers, R. T. Critical determinants of combined sprint and endurance performance: an integrative analysis from muscle fiber to the human body. PMID- 29217666 TI - EPAC1 regulates endothelial annexin A2 cell surface translocation and plasminogen activation. AB - Annexins, a family of highly conserved calcium- and phospholipid-binding proteins, play important roles in a wide range of physiologic functions. Among the 12 known annexins in humans, annexin A2 (AnxA2) is one of the most extensively studied and has been implicated in various human diseases. AnxA2 can exist as a monomer or a heterotetrameric complex with S100A10 (P11) and plays a critical role in many cellular processes, including exocytosis, endocytosis, and membrane organization. At the endothelial cell surface, the (AnxA2?P11)2 tetramer acting as a coreceptor for plasminogen and tissue plasminogen activator (tPA) accelerates tPA-dependent activation of the fibrinolytic protease, plasmin, the enzyme that is responsible for thrombus dissolution and the degradation of fibrin. This study demonstrates that EPAC1 (exchange proteins directly activated by cAMP isoform 1) interacts with AnxA2 and regulates its biologic functions by modulating its membrane translocation in endothelial cells. By using genetic and pharmacologic approaches, we demonstrate that EPAC1-acting via the PLCepsilon-PKC pathway-inhibits AnxA2 surface translocation and plasminogen activation. These results suggest that EPAC1 plays a role in the regulation of fibrinolysis in endothelial cells and may represent a novel therapeutic target for disorders of fibrinolysis.-Yang, W., Mei, F. C., Cheng, X. EPAC1 regulates endothelial annexin A2 cell surface translocation and plasminogen activation. PMID- 29217667 TI - Critical contribution of Na+-Ca2+ exchanger to the Ca2+-mediated vasodilation activated in endothelial cells of resistance arteries. AB - Na+-Ca2+ exchanger (NCX) contributes to control the intracellular free Ca2+ concentration ([Ca2+]i), but the functional activation of NCX reverse mode (NCXrm) in endothelial cells is controversial. We evaluated the participation of NCXrm-mediated Ca2+ uptake in the endothelium-dependent vasodilation of rat isolated mesenteric arterial beds. In phenylephrine-contracted mesenteries, the acetylcholine (ACh)-induced vasodilation was abolished by treatment with the NCXrm blockers SEA0400, KB-R7943, or SN-6. Consistent with that, the ACh-induced hyperpolarization observed in primary cultures of mesenteric endothelial cells and in smooth muscle of isolated mesenteric resistance arteries was attenuated by KB-R7943 and SEA0400, respectively. In addition, both blockers abolished the NO production activated by ACh in intact mesenteric arteries. In contrast, the inhibition of NCXrm did not affect the vasodilator responses induced by the Ca2+ ionophore, ionomycin, and the NO donor, S-nitroso- N-acetylpenicillamine. Furthermore, SEA0400, KB-R7943, and a small interference RNA directed against NCX1 blunted the increase in [Ca2+]i induced by ACh or ATP in cultured endothelial cells. The analysis by proximity ligation assay showed that the NO synthesizing enzyme, eNOS, and NCX1 were associated in endothelial cell caveolae of intact mesenteric resistance arteries. These results indicate that the activation of NCXrm has a central role in Ca2+-mediated vasodilation initiated by ACh in endothelial cells of resistance arteries.-Lillo, M. A., Gaete, P. S., Puebla, M., Ardiles, N. M., Poblete, I., Becerra, A., Simon, F., Figueroa, X. F. Critical contribution of Na+-Ca2+ exchanger to the Ca2+-mediated vasodilation activated in endothelial cells of resistance arteries. PMID- 29217668 TI - Induced global deletion of glucocorticoid receptor impairs fracture healing. AB - Although endogenous glucocorticoids (GCs) are important regulators of bone integrity and the immune system, their role in bone repair after fracture-a process highly dependent on inflammation and bone formation-is unclear. Because most effects of GCs are mediated by the glucocorticoid receptor (GR), we used an inducible global GR knockout (GRgtROSACreERT2) mouse model to eliminate endogenous GC action in all cells contributing to bone repair. The healing process was analyzed by cytokine/chemokine multiplex analysis, flow cytometry, histology, gene-expression analysis, microcomputed tomography, and biomechanical analysis. We observed increased early systemic and local inflammatory responses, as well as a significantly higher number of T cells infiltrating the fracture callus. Later in the healing process, we found impaired endochondral ossification in the absence of the GR, leading to persistent cartilage in the calli of the GRgtROSACreERT2 mice, decreased bending stiffness, and a significantly lower proportion of healed bones. Collectively, our data show that the absence of the GR significantly impairs fracture healing associated with a defective cartilage to-bone transition, underscoring an important role of GCs during fracture healing.-Rapp, A. E., Hachemi, Y., Kemmler, J., Koenen, M., Tuckermann, J., Ignatius, A. Induced global deletion of glucocorticoid receptor impairs fracture healing. PMID- 29217664 TI - Incidence, Diagnosis, and Management of QT Prolongation Induced by Cancer Therapies: A Systematic Review. AB - BACKGROUND: The cardiovascular complications of cancer therapeutics are the focus of the burgeoning field of cardio-oncology. A common challenge in this field is the impact of cancer drugs on cardiac repolarization (ie, QT prolongation) and the potential risk for the life-threatening arrhythmia torsades de pointes. Although QT prolongation is not a perfect marker of arrhythmia risk, this has become a primary safety metric among oncologists. Cardiologists caring for patients receiving cancer treatment should become familiar with the drugs associated with QT prolongation, its incidence, and appropriate management strategies to provide meaningful consultation in this complex clinical scenario. METHODS AND RESULTS: In this article, we performed a systematic review (using Preferred Reporting Items of Systematic Reviews and Meta-Analyses (PRISMA) guidelines) of commonly used cancer drugs to determine the incidence of QT prolongation and clinically relevant arrhythmias. We calculated summary estimates of the incidence of all and clinically relevant QT prolongation as well as arrhythmias and sudden cardiac death. We then describe strategies to prevent, identify, and manage QT prolongation in patients receiving cancer therapy. We identified a total of 173 relevant publications. The weighted incidence of any corrected QT (QTc) prolongation in our systematic review in patients treated with conventional therapies (eg, anthracyclines) ranged from 0% to 22%, although QTc >500 ms, arrhythmias, or sudden cardiac death was extremely rare. The risk of QTc prolongation with targeted therapies (eg, small molecular tyrosine kinase inhibitors) ranged between 0% and 22.7% with severe prolongation (QTc >500 ms) reported in 0% to 5.2% of the patients. Arrhythmias and sudden cardiac death were rare. CONCLUSIONS: Our systematic review demonstrates that there is variability in the incidence of QTc prolongation of various cancer drugs; however, the clinical consequence, as defined by arrhythmias or sudden cardiac death, remains rare. PMID- 29217669 TI - Maternal choline supplementation during the third trimester of pregnancy improves infant information processing speed: a randomized, double-blind, controlled feeding study. AB - Rodent studies demonstrate that supplementing the maternal diet with choline during pregnancy produces life-long cognitive benefits for the offspring. In contrast, the two experimental studies examining cognitive effects of maternal choline supplementation in humans produced inconsistent results, perhaps because of poor participant adherence and/or uncontrolled variation in intake of choline or other nutrients. We examined the effects of maternal choline supplementation during pregnancy on infant cognition, with intake of choline and other nutrients tightly controlled. Women entering their third trimester were randomized to consume, until delivery, either 480 mg choline/d ( n = 13) or 930 mg choline/d ( n = 13). Infant information processing speed and visuospatial memory were tested at 4, 7, 10, and 13 mo of age ( n = 24). Mean reaction time averaged across the four ages was significantly faster for infants born to mothers in the 930 ( vs. 480) mg choline/d group. This result indicates that maternal consumption of approximately twice the recommended amount of choline during the last trimester improves infant information processing speed. Furthermore, for the 480-mg choline/d group, there was a significant linear effect of exposure duration (infants exposed longer showed faster reaction times), suggesting that even modest increases in maternal choline intake during pregnancy may produce cognitive benefits for offspring.-Caudill, M. A., Strupp, B. J., Muscalu, L., Nevins, J. E. H., Canfield, R. L. Maternal choline supplementation during the third trimester of pregnancy improves infant information processing speed: a randomized, double-blind, controlled feeding study. PMID- 29217671 TI - Positive Change in Feedback Perceptions and Behavior: A 10-Year Follow-up Study. AB - BACKGROUND: Providing and learning from feedback are essential components of medical education, and typically described as resistant to change. But given a decade of change in the clinical context in which feedback occurs, the authors asked if, and how, perceptions of feedback and feedback behaviors might have changed in response to contextual affordances. METHODS: In 2017, the authors conducted a follow-up, ethnographic study on 2 general pediatric floors at the same children's hospital where another ethnographic study on a general pediatric floor was conducted in 2007. Data sources included (1) 21 and 34 hours of observation in 2007 and 2017, respectively, (2) 35 and 25 interviews with general pediatric attending physicians and residents in 2007 and 2017, respectively, and (3) a review of 120 program documents spanning 2007 to 2017. Data were coded and organized around 3 recommendations for feedback that were derived from 2007 data and served as standards for assessing change in 2017. RESULTS: Data revealed progress in achieving each recommendation. Compared with 2007, participants in 2017 more clearly distinguished between feedback and evaluation; residents were more aware of in-the-moment feedback, and they had shifted their orientation from evaluation and grades to feedback and learning. Explanations for progress in achieving recommendations, which were derived from the data, pointed to institutional and national influences, namely, the pediatric milestones. CONCLUSIONS: On the basis of follow-up, ethnographic data, changes in the clinical context of pediatric education may afford positive change in perceptions of feedback and feedback behavior and point to influences within and beyond the institution. PMID- 29217670 TI - cAMP Signaling Compartmentation: Adenylyl Cyclases as Anchors of Dynamic Signaling Complexes. AB - It is widely accepted that cAMP signaling is compartmentalized within cells. However, our knowledge of how receptors, cAMP signaling enzymes, effectors, and other key proteins form specific signaling complexes to regulate specific cell responses is limited. The multicomponent nature of these systems and the spatiotemporal dynamics involved as proteins interact and move within a cell make cAMP responses highly complex. Adenylyl cyclases, the enzymatic source of cAMP production, are key starting points for understanding cAMP compartments and defining the functional signaling complexes. Three basic elements are required to form a signaling compartment. First, a localized signal is generated by a G protein-coupled receptor paired to one or more of the nine different transmembrane adenylyl cyclase isoforms that generate the cAMP signal in the cytosol. The diffusion of cAMP is subsequently limited by several factors, including expression of any number of phosphodiesterases (of which there are 24 genes plus spice variants). Finally, signal response elements are differentially localized to respond to cAMP produced within each locale. A-kinase-anchoring proteins, of which there are 43 different isoforms, facilitate this by targeting protein kinase A to specific substrates. Thousands of potential combinations of these three elements are possible in any given cell type, making the characterization of cAMP signaling compartments daunting. This review will focus on what is known about how cells organize cAMP signaling components as well as identify the unknowns. We make an argument for adenylyl cyclases being central to the formation and maintenance of these signaling complexes. PMID- 29217672 TI - Digital Ischemia After Application of Self-Adherent Elastic Wrap Dressing: A Case Series. AB - Self-adherent elastic wrap dressings are a convenient option to manage pediatric hand and finger injuries. However, when improperly applied, they have the potential to cause devastating complications. We detail in this report 5 cases of dressing-induced ischemic injury to the hand in pediatric patients with a review of the literature. All patients were treated by the senior author between 2007 and 2015 and were retrospectively reviewed for initial injury, frequency of dressing changes, presence of pain, time to evaluation by the orthopedic hand team, treatment, and outcome. Patients' families were contacted for clinical updates and to obtain current photographs. Age at injury ranged from 11 months to 3 years with 2 girls and 3 boys. Only 1 of 5 patients complained of pain or discomfort during the onset of their ischemic injury. Treatment of the ischemic injury included local wound care without surgery in 3 cases (including sympathetic block in 1) and surgical intervention with partial or complete digital amputation in 2 cases. At final follow-up, 2 of the 5 patients reported currently being bothered by the appearance of the injured hand; however, none had persistent pain or difficulty using the hand. Through these examples, health care professionals can be educated on the potentially disastrous complications of improper dressing application in the pediatric population and can be encouraged to share this information with patients' families. PMID- 29217673 TI - More than sixty origins of pantoporate pollen in angiosperms. AB - PREMISE OF THE STUDY: Apertures in pollen grains are key structures of the wall, involved in pollen tube germination and exchanges with the environment. Aperture types in angiosperms are diverse, but pollen with one and three apertures (including monosulcate and tricolpate, respectively) are the two most common types. Here, we investigate the phylogenetic distribution in angiosperms of pollen with many round, scattered apertures called pantoporate pollen. METHODS: We constructed a morphological data set with species producing pantoporate pollen and representative angiosperm species with other pollen types, sampled from every angiosperm order, with a total of 1260 species distributed in 330 families. This data set was analyzed with parsimony to characterize the phylogenetic distribution of pantoporate pollen in angiosperms. KEY RESULTS: We show that pantoporate pollen is distributed throughout most of the angiosperm tree, including early diverging angiosperms, monocots, and eudicots. However, this pollen type is usually restricted to a few species in a given group, and is seldom fixed at large taxonomical scales, with a few notable exceptions. CONCLUSIONS: Pantoporate pollen evolved many times during angiosperm history, but the persistence of this morphology in the long term is infrequent. This distribution pattern could indicate conflicting short-term and long-term selective pressures, pantoporate pollen being selected in the short run, but eliminated in the long run. Biological hypotheses supporting this scenario are discussed, in the context of both theoretical and empirical data on pollen biology. PMID- 29217674 TI - Pollen-pistil interaction in pawpaw (Asimina triloba), the northernmost species of the mainly tropical family Annonaceae. AB - PREMISE OF THE STUDY: The pawpaw, Asimina triloba, is an underutilized fruit crop native to North America that belongs to the mainly tropical, early-divergent family Annonaceae. Asimina is the only genus within the Annonaceae with species adapted to cold climates. A thorough analysis of its reproductive biology, specifically pollen-pistil interaction during the progamic phase, is essential to understand both its adaptation to cold climates and how to optimize its fertilization and fruit set. METHODS: We characterized pollen-pistil interaction in Asimina triloba, including the floral cycle and anatomy, stigmatic receptivity, and the pollen tube pathway. We used a combination of histological, cytological, and immunolocalization approaches. KEY RESULTS: Asimina triloba has a gynoecium formed by plicate carpels with a short stylar canal. Unicellular papillae form a continuous tissue covered by a copious secretion from the stigma to the ovary, which is most prominent on the stigma surface where it forms an extragynoecial compitum. Compared to the stigmas of other species in the Annonaceae, the stigmas of A. triloba show a long stigmatic receptivity associated with a long flowering cycle. Stigmatic receptivity is concomitant with the secretion of cell-wall-related arabinogalactan proteins (AGPs). CONCLUSIONS: A long female phase with a long period of stigmatic receptivity is unusual among protogynous flowers of the magnoliid clade, suggesting a derived condition of A. triloba within the Annonaceae. This phase further correlates with the presence of cell-wall-related arabinogalactan proteins in the secretion, which may indicate the conservation of these glycoproteins during stigmatic receptivity and pollen tube growth in angiosperms. PMID- 29217676 TI - Improvements in Outcomes and Disparities of ST-Segment-Elevation Myocardial Infarction Care: The Miami-Dade County ST-Segment-Elevation Myocardial Infarction Network Project. PMID- 29217677 TI - RCGP bans Babylon from sponsoring annual conference. PMID- 29217675 TI - Ten-Year Mortality in the WISE Study (Women's Ischemia Syndrome Evaluation). AB - BACKGROUND: The WISE study (Women's Ischemia Syndrome Evaluation) was a prospective cohort study of 936 clinically stable symptomatic women who underwent coronary angiography to evaluate symptoms and signs of ischemia. Long-term mortality data for such women are limited. METHODS AND RESULTS: Obstructive coronary artery disease (CAD) was defined as >=50% stenosis on angiography by core laboratory. We conducted a National Death Index search to assess the mortality of women who were alive at their final WISE contact date. Death certificates were obtained. All deaths were adjudicated as cardiovascular or noncardiovascular by a panel of WISE cardiologists masked to angiographic data. Multivariate Cox proportional hazards regression was used to identify significant independent predictors of mortality. At baseline, mean age was 58+/-12 years; 176 (19%) were non-white, primarily black; 25% had a history of diabetes mellitus, 59% hypertension, 55% dyslipidemia, and 59% had a body mass index >=30. During a median follow-up of 9.5 years (range, 0.2-11.5 years), a total of 184 (20%) died. Of these, 115 (62%) were cardiovascular deaths; 31% of all cardiovascular deaths occurred in women without obstructive CAD (<50% stenosis). Independent predictors of mortality were obstructive CAD, age, baseline systolic blood pressure, history of diabetes mellitus, history of smoking, elevated triglycerides, and estimated glomerular filtration rate. CONCLUSIONS: Among women referred for coronary angiography for signs and symptoms of ischemia, 1 in 5 died from predominantly cardiac pathogeneses within 9 years of angiographic evaluation. A majority of the factors contributing to the risk of death seem to be modifiable by existing therapies. Of note, 1 in 3 of the deaths in this cohort occurred in women without obstructive CAD, a condition often considered benign and without guideline recommended treatments. Clinical trials are needed to provide treatment guidance for the group without obstructive CAD. PMID- 29217679 TI - Miz1 Controls Schwann Cell Proliferation via H3K36me2 Demethylase Kdm8 to Prevent Peripheral Nerve Demyelination. AB - Schwann cell differentiation and myelination depends on chromatin remodeling, histone acetylation, and methylation, which all affect Schwann cell proliferation. We previously reported that the deletion of the POZ (POxvirus and Zinc finger) domain of the transcription factor Miz1 (Myc-interacting zinc finger protein; encoded by Zbtb17) in mouse Schwann cells (Miz1DeltaPOZ) causes a neuropathy at 90 d after birth [postnatal day (P) 90], with a subsequent spontaneous regeneration. Here we show that RNA sequencing from Miz1DeltaPOZ and control animals at P30 revealed a set of upregulated genes with a strong correlation to cell-cycle regulation. Consistently, a subset of Schwann cells did not exit the cell cycle as observed in control animals and the growth fraction increased over time. From the RNAseq gene list, two direct Miz1 target genes were identified, one of which encodes the histone H3K36me2 demethylase Kdm8. We show that the expression of Kdm8 is repressed by Miz1 and that its release in Miz1DeltaPOZ cells induces a decrease of H3K36me2, especially in deregulated cell cycle-related genes. The linkage between elevated Kdm8 expression, hypomethylation of H3K36 at cell-cycle-relevant genes, and the subsequent re entering of adult Schwann cells into the cell cycle suggests that the release of Kdm8 repression in the absence of a functional Miz1 is a central issue in the development of the Miz1DeltaPOZ phenotype.SIGNIFICANCE STATEMENT The deletion of the Miz1 (Myc-interacting zinc finger protein 1) POZ (POxvirus and Zinc finger) domain in Schwann cells causes a neuropathy. Here we report sustained Schwann cell proliferation caused by an increased expression of the direct Miz1 target gene Kdm8, encoding a H3K36me2 demethylase. Hence, the demethylation of H3K36 is linked to the pathogenesis of a neuropathy. PMID- 29217678 TI - HRPU-2, a Homolog of Mammalian hnRNP U, Regulates Synaptic Transmission by Controlling the Expression of SLO-2 Potassium Channel in Caenorhabditis elegans. AB - Slo2 channels are large-conductance potassium channels abundantly expressed in the nervous system. However, it is unclear how their expression level in neurons is regulated. Here we report that HRPU-2, an RNA-binding protein homologous to mammalian heterogeneous nuclear ribonucleoprotein U (hnRNP U), plays an important role in regulating the expression of SLO-2 (a homolog of mammalian Slo2) in Caenorhabditis elegans Loss-of-function (lf) mutants of hrpu-2 were isolated in a genetic screen for suppressors of a sluggish phenotype caused by a hyperactive SLO-2. In hrpu-2(lf) mutants, SLO-2-mediated delayed outward currents in neurons are greatly decreased, and neuromuscular synaptic transmission is enhanced. These mutant phenotypes can be rescued by expressing wild-type HRPU-2 in neurons. HRPU 2 binds to slo-2 mRNA, and hrpu-2(lf) mutants show decreased SLO-2 protein expression. In contrast, hrpu-2(lf) does not alter the expression of either the BK channel SLO-1 or the Shaker type potassium channel SHK-1. hrpu-2(lf) mutants are indistinguishable from wild type in gross motor neuron morphology and locomotion behavior. Together, these observations suggest that HRPU-2 plays important roles in SLO-2 function by regulating SLO-2 protein expression, and that SLO-2 is likely among a restricted set of proteins regulated by HRPU-2. Mutations of human Slo2 channel and hnRNP U are strongly linked to epileptic disorders and intellectual disability. The findings of this study suggest a potential link between these two molecules in human patients.SIGNIFICANCE STATEMENT Heterogeneous nuclear ribonucleoprotein U (hnRNP U) belongs to a family of RNA-binding proteins that play important roles in controlling gene expression. Recent studies have established a strong link between mutations of hnRNP U and human epilepsies and intellectual disability. However, it is unclear how mutations of hnRNP U may cause such disorders. This study shows that mutations of HRPU-2, a worm homolog of mammalian hnRNP U, result in dysfunction of a Slo2 potassium channel, which is critical to neuronal function. Because mutations of Slo2 channels are also strongly associated with epileptic encephalopathies and intellectual disability in humans, the findings of this study point to a potential mechanism underlying neurological disorders caused by hnRNP U mutations. PMID- 29217680 TI - Non-Newly Generated, "Immature" Neurons in the Sheep Brain Are Not Restricted to Cerebral Cortex. AB - A newly proposed form of brain structural plasticity consists of non-newly generated, "immature" neurons of the adult cerebral cortex. Similar to newly generated neurons, these cells express the cytoskeletal protein Doublecortin (DCX), yet they are generated prenatally and then remain in a state of immaturity for long periods. In rodents, the immature neurons are restricted to the paleocortex, whereas in other mammals, they are also found in neocortex. Here, we analyzed the DCX-expressing cells in the whole sheep brain of both sexes to search for an indicator of structural plasticity at a cellular level in a relatively large-brained, long-living mammal. Brains from adult and newborn sheep (injected with BrdU and analyzed at different survival times) were processed for DCX, cell proliferation markers (Ki-67, BrdU), pallial/subpallial developmental origin (Tbr1, Sp8), and neuronal/glial antigens for phenotype characterization. We found immature-like neurons in the whole sheep cortex and in large populations of DCX-expressing cells within the external capsule and the surrounding gray matter (claustrum and amygdala). BrdU and Ki-67 detection at neonatal and adult ages showed that all of these DCX+ cells were generated during embryogenesis, not after birth. These results show that the adult sheep, unlike rodents, is largely endowed with non-newly generated neurons retaining immature features, suggesting that such plasticity might be particularly important in large-brained, long living mammals.SIGNIFICANCE STATEMENT Brain plasticity is important in adaptation and brain repair. Structural changes span from synaptic plasticity to adult neurogenesis, the latter being highly reduced in large-brained, long-living mammals (e.g., humans). The cerebral cortex contains "immature" neurons, which are generated prenatally and then remain in an undifferentiated state for long periods, being detectable with markers of immaturity. We studied the distribution and developmental origin of these cells in the whole brain of sheep, relatively large-brained, long-living mammals. In addition to the expected cortical location, we also found populations of non-newly generated neurons in several subcortical regions (external capsule, claustrum, and amygdala). These results suggests that non-neurogenic, parenchymal structural plasticity might be more important in large mammals with respect to adult neurogenesis. PMID- 29217681 TI - The Protein Tyrosine Phosphatase Shp2 Regulates Oligodendrocyte Differentiation and Early Myelination and Contributes to Timely Remyelination. AB - Shp2 is a nonreceptor protein tyrosine phosphatase that has been shown to influence neurogenesis, oligodendrogenesis, and oligodendrocyte differentiation. Furthermore, Shp2 is a known regulator of the Akt/mammalian target of rapamycin and ERK signaling pathways in multiple cellular contexts, including oligodendrocytes. Its role during later postnatal CNS development or in response to demyelination injury has not been examined. Based on the current studies, we hypothesize that Shp2 is a negative regulator of CNS myelination. Using transgenic mouse technology, we show that Shp2 is involved in oligodendrocyte differentiation and early myelination, but is not necessary for myelin maintenance. We also show that Shp2 regulates the timely differentiation of oligodendrocytes following lysolecithin-induced demyelination, although apparently normal remyelination occurs at a delayed time point. These data suggest that Shp2 is a relevant therapeutic target in demyelinating diseases such as multiple sclerosis.SIGNIFICANCE STATEMENT In the present study, we show that the protein phosphatase Shp2 is an important mediator of oligodendrocyte differentiation and myelination, both during developmental myelination as well as during myelin regeneration. We provide important insight into the signaling mechanisms regulating myelination and propose that Shp2 acts as a transient brake to the developmental myelination process. Furthermore, we show that Shp2 regulates oligodendrocyte differentiation following demyelination and therefore has important therapeutic implications in diseases such as multiple sclerosis. PMID- 29217682 TI - Overexpression of the Histone Dimethyltransferase G9a in Nucleus Accumbens Shell Increases Cocaine Self-Administration, Stress-Induced Reinstatement, and Anxiety. AB - Repeated exposure to cocaine induces lasting epigenetic changes in neurons that promote the development and persistence of addiction. One epigenetic alteration involves reductions in levels of the histone dimethyltransferase G9a in nucleus accumbens (NAc) after chronic cocaine administration. This reduction in G9a may enhance cocaine reward because overexpressing G9a in the NAc decreases cocaine conditioned place preference. Therefore, we hypothesized that HSV-mediated G9a overexpression in the NAc shell (NAcSh) would attenuate cocaine self administration (SA) and cocaine-seeking behavior. Instead, we found that G9a overexpression, and the resulting increase in histone 3 lysine 9 dimethylation (H3K9me2), increases sensitivity to cocaine reinforcement and enhances motivation for cocaine in self-administering male rats. Moreover, when G9a overexpression is limited to the initial 15 d of cocaine SA training, it produces an enduring postexpression enhancement in cocaine SA and prolonged (over 5 weeks) increases in reinstatement of cocaine seeking induced by foot-shock stress, but in the absence of continued global elevations in H3K9me2. The increase in stress-induced reinstatement is paralleled by heightened anxiety measures, suggesting that countering the cocaine-induced decreases in endogenous G9a with ectopic G9a overexpression leads to lasting anxiogenic effects. Finally, we found an enduring reduction in phosphorylated cAMP-response element binding protein levels in the NAcSh that could account for the increased anxiety. These data demonstrate a novel role for G9a in promoting comorbid cocaine addiction and anxiety and suggest that increased epigenetic repression of transcription through H3K9 during cocaine use can have long-lasting and unexpected negative consequences on behavior.SIGNIFICANCE STATEMENT Cocaine addiction is a neuropsychiatric disorder that is detrimental to society and currently has no effective treatments. The difficulty in treating drug addiction is compounded by the high comorbidity with other psychiatric illnesses, including anxiety disorders. Here, we demonstrate that G9a, an epigenetic repressor of gene expression, acting in the nucleus accumbens, a brain reward region, is capable of increasing both addiction- and anxiety-like behaviors in rats. These findings are intriguing because repeated cocaine exposure decreases G9a in this region and thereby enhances expression of certain addiction-promoting genes. However, our results suggest that countering this cocaine-induced decrease in G9a activity actually exacerbates addiction and sensitivity to relapse under stressful situations. PMID- 29217684 TI - Retrieval Demands Adaptively Change Striatal Old/New Signals and Boost Subsequent Long-Term Memory. AB - The striatum is a central part of the dopaminergic mesolimbic system and contributes both to the encoding and retrieval of long-term memories. In this regard, the co-occurrence of striatal novelty and retrieval success effects in independent studies underlines the structure's double duty and suggests dynamic contextual adaptation. To test this hypothesis and further investigate the underlying mechanisms of encoding and retrieval dynamics, human subjects viewed pre-familiarized scene images intermixed with new scenes and classified them as indoor versus outdoor (encoding task) or old versus new (retrieval task), while fMRI and eye tracking data were recorded. Subsequently, subjects performed a final recognition task. As hypothesized, striatal activity and pupil size reflected task-conditional salience of old and new stimuli, but, unexpectedly, this effect was not reflected in the substantia nigra and ventral tegmental area (SN/VTA), medial temporal lobe, or subsequent memory performance. Instead, subsequent memory generally benefitted from retrieval, an effect possibly driven by task difficulty and activity in a network including different parts of the striatum and SN/VTA. Our findings extend memory models of encoding and retrieval dynamics by pinpointing a specific contextual factor that differentially modulates the functional properties of the mesolimbic system.SIGNIFICANCE STATEMENT The mesolimbic system is involved in the encoding and retrieval of information but it is unclear how these two processes are achieved within the same network of brain regions. In particular, memory retrieval and novelty encoding were considered in independent studies, implying that novelty (new > old) and retrieval success (old > new) effects may co-occur in the striatum. Here, we used a common framework implicating the striatum, but not other parts of the mesolimbic system, in tracking context-dependent salience of old and new information. The current study, therefore, paves the way for a more comprehensive understanding of the functional properties of the mesolimbic system during memory encoding and retrieval. PMID- 29217683 TI - Insulin-Like Growth Factor II Targets the mTOR Pathway to Reverse Autism-Like Phenotypes in Mice. AB - Autism spectrum disorder (ASD) is a developmental disability characterized by impairments in social interaction and repetitive behavior, and is also associated with cognitive deficits. There is no current treatment that can ameliorate most of the ASD symptomatology; thus, identifying novel therapies is urgently needed. We used male BTBR T+Itpr3tf /J (BTBR) mice, a model that reproduces most of the core behavioral phenotypes of ASD, to test the effects of systemic administration of insulin-like growth factor II (IGF-II), a polypeptide that crosses the blood brain barrier and acts as a cognitive enhancer. We show that systemic IGF-II treatments reverse the typical defects in social interaction, cognitive/executive functions, and repetitive behaviors reflective of ASD-like phenotypes. In BTBR mice, IGF-II, via IGF-II receptor, but not via IGF-I receptor, reverses the abnormal levels of the AMPK-mTOR-S6K pathway and of active translation at synapses. Thus, IGF-II may represent a novel potential therapy for ASD.SIGNIFICANCE STATEMENT Currently, there is no effective treatment for autism spectrum disorder (ASD), a developmental disability affecting a high number of children. Using a mouse model that expresses most of the key core as well as associated behavioral deficits of ASD, that are, social, cognitive, and repetitive behaviors, we report that a systemic administration of the polypeptide insulin-like growth factor II (IGF-II) reverses all these deficits. The effects of IGF-II occur via IGF-II receptors, and not IGF-I receptors, and target both basal and learning-dependent molecular abnormalities found in several ASD mice models, including those of identified genetic mutations. We suggest that IGF-II represents a potential novel therapeutic target for ASD. PMID- 29217685 TI - Scale-Free Amplitude Modulation of Neuronal Oscillations Tracks Comprehension of Accelerated Speech. AB - Speech comprehension is preserved up to a threefold acceleration, but deteriorates rapidly at higher speeds. Current models posit that perceptual resilience to accelerated speech is limited by the brain's ability to parse speech into syllabic units using delta/theta oscillations. Here, we investigated whether the involvement of neuronal oscillations in processing accelerated speech also relates to their scale-free amplitude modulation as indexed by the strength of long-range temporal correlations (LRTC). We recorded MEG while 24 human subjects (12 females) listened to radio news uttered at different comprehensible rates, at a mostly unintelligible rate and at this same speed interleaved with silence gaps. delta, theta, and low-gamma oscillations followed the nonlinear variation of comprehension, with LRTC rising only at the highest speed. In contrast, increasing the rate was associated with a monotonic increase in LRTC in high-gamma activity. When intelligibility was restored with the insertion of silence gaps, LRTC in the delta, theta, and low-gamma oscillations resumed the low levels observed for intelligible speech. Remarkably, the lower the individual subject scaling exponents of delta/theta oscillations, the greater the comprehension of the fastest speech rate. Moreover, the strength of LRTC of the speech envelope decreased at the maximal rate, suggesting an inverse relationship with the LRTC of brain dynamics when comprehension halts. Our findings show that scale-free amplitude modulation of cortical oscillations and speech signals are tightly coupled to speech uptake capacity.SIGNIFICANCE STATEMENT One may read this statement in 20-30 s, but reading it in less than five leaves us clueless. Our minds limit how much information we grasp in an instant. Understanding the neural constraints on our capacity for sensory uptake is a fundamental question in neuroscience. Here, MEG was used to investigate neuronal activity while subjects listened to radio news played faster and faster until becoming unintelligible. We found that speech comprehension is related to the scale-free dynamics of delta and theta bands, whereas this property in high-gamma fluctuations mirrors speech rate. We propose that successful speech processing imposes constraints on the self-organization of synchronous cell assemblies and their scale-free dynamics adjusts to the temporal properties of spoken language. PMID- 29217686 TI - Synaptic Regulator alpha-Synuclein in Dopaminergic Fibers Is Essentially Required for the Maintenance of Subependymal Neural Stem Cells. AB - Synaptic protein alpha-synuclein (alpha-SYN) modulates neurotransmission in a complex and poorly understood manner and aggregates in the cytoplasm of degenerating neurons in Parkinson's disease. Here, we report that alpha-SYN present in dopaminergic nigral afferents is essential for the normal cycling and maintenance of neural stem cells (NSCs) in the brain subependymal zone of adult male and female mice. We also show that premature senescence of adult NSCs into non-neurogenic astrocytes in mice lacking alpha-SYN resembles the effects of dopaminergic fiber degeneration resulting from chronic exposure to 1-methyl-4 phenyl-1,2,3,6-tetra-hydropyridine or intranigral inoculation of aggregated toxic alpha-SYN. Interestingly, NSC loss in alpha-SYN-deficient mice can be prevented by viral delivery of human alpha-SYN into their sustantia nigra or by treatment with l-DOPA, suggesting that alpha-SYN regulates dopamine availability to NSCs. Our data indicate that alpha-SYN, present in dopaminergic nerve terminals supplying the subependymal zone, acts as a niche component to sustain the neurogenic potential of adult NSCs and identify alpha-SYN and DA as potential targets to ameliorate neurogenic defects in the aging and diseased brain.SIGNIFICANCE STATEMENT We report an essential role for the protein alpha synuclein present in dopaminergic nigral afferents in the regulation of adult neural stem cell maintenance, identifying the first synaptic regulator with an implication in stem cell niche biology. Although the exact role of alpha synuclein in neural transmission is not completely clear, our results indicate that it is required for stemness and the preservation of neurogenic potential in concert with dopamine. PMID- 29217687 TI - Role of the Axon Initial Segment in the Control of Spontaneous Frequency of Nigral Dopaminergic Neurons In Vivo. AB - The spontaneous tonic discharge activity of nigral dopamine neurons plays a fundamental role in dopaminergic signaling. To investigate the role of neuronal morphology and architecture with respect to spontaneous activity in this population, we visualized the 3D structure of the axon initial segment (AIS) along with the entire somatodendritic domain of adult male mouse dopaminergic neurons, previously recorded in vivo We observed a positive correlation of the firing rate with both proximity and size of the AIS. Computational modeling showed that the size of the AIS, but not its position within the somatodendritic domain, is the major causal determinant of the tonic firing rate in the intact model, by virtue of the higher intrinsic frequency of the isolated AIS. Further mechanistic analysis of the relationship between neuronal morphology and firing rate showed that dopaminergic neurons function as a coupled oscillator whose frequency of discharge results from a compromise between AIS and somatodendritic oscillators. Thus, morphology plays a critical role in setting the basal tonic firing rate, which in turn could control striatal dopaminergic signaling that mediates motivation and movement.SIGNIFICANCE STATEMENT The frequency at which nigral dopamine neurons discharge action potentials sets baseline dopamine levels in the brain, which enables activity in motor, cognitive, and motivational systems. Here, we demonstrate that the size of the axon initial segment, a subcellular compartment responsible for initiating action potentials, is a key determinant of the firing rate in these neurons. The axon initial segment and all the molecular components that underlie its critical function may provide a novel target for the regulation of dopamine levels in the brain. PMID- 29217688 TI - Sustained MAPK/ERK Activation in Adult Schwann Cells Impairs Nerve Repair. AB - The MAPK/ERK pathway has a critical role in PNS development. It is required for Schwann cell (SC) differentiation and myelination; sustained embryonic MAPK/ERK activation in SCs enhances myelin growth overcoming signals that normally end myelination. Excess activation of this pathway can be maladaptive as in adulthood acute strong activation of MAPK/ERK has been shown to cause SC dedifferentiation and demyelination. We used a mouse model (including male and female animals) in which the gain-of-function MEK1DD allele produces sustained MAPK/ERK activation in adult SCs, and we determined the impact of such activation on nerve repair. In the uninjured nerve, MAPK/ERK activation neither impaired myelin nor reactivated myelination. However, in the injured nerve it was detrimental and resulted in delayed repair and functional recovery. In the early phase of injury, the rate of myelin clearance was faster. Four weeks following injury, when nerve repair is normally advanced, myelinated axons of MEK1DD mutants demonstrated higher rates of myelin decompaction, a reduced number of Cajal bands. and decreased internodal length. We noted the presence of abnormal Remak bundles with long SCs processes and reduced numbers of C-fibers/Remak bundle. Both the total number of regenerating axons and the intraepidermal nerve fiber density in the skin were reduced. Sustained activation of MAPK/ERK in adult SCs is therefore deleterious to successful nerve repair, emphasizing the differences in the signaling processes coordinating nerve development and repair. Our results also underline the key role of SCs in axon regeneration and successful target reinnervation.SIGNIFICANCE STATEMENT The MAPK/ERK pathway promotes developmental myelination and its sustained activation in SCs induced continuous myelin growth, compensating for the absence of essential myelination signals. However, the strength of activation is fundamental because acute strong induction of MAPK/ERK in adulthood induces demyelination. What has been unknown is the effect of a mild but sustained MAPK/ERK activation in SCs on nerve repair in adulthood. This promoted myelin clearance but led to abnormalities in nonmyelinating and myelinating SCs in the later phases of nerve repair, resulting in slowed axon regeneration, cutaneous reinnervation, and functional recovery. Our results emphasize the distinct role of the MAPK/ERK pathway in developmental myelination versus remyelination and the importance of signaling between SCs and axons for successful axon regeneration. PMID- 29217689 TI - Dopamine-Dependent Sensitization of Rod Bipolar Cells by GABA Is Conveyed through Wide-Field Amacrine Cells. AB - The vertebrate retina has the remarkable ability to support visual function under conditions of limited illumination, including the processing of signals evoked by single photons. Dim-light vision is regulated by several adaptive mechanisms. The mechanism explored in this study is responsible for increasing the light sensitivity and operational range of rod bipolar cells, the retinal neurons operating immediately downstream of rod photoreceptors. This sensitization is achieved through the sustained dopamine-dependent GABA release from other retinal neurons. Our goals were to identify the cell type responsible for the GABA release and the site of its modulation by dopamine. Previous studies have suggested the involvement of amacrine and/or horizontal cells. We now demonstrate, using mice of both sexes, that horizontal cells do not participate in this mechanism. Instead, sustained GABA input is provided by a subpopulation of wide-field amacrine cells, which stimulate the GABAC receptors at rod bipolar cell axons. We also found that dopamine does not act directly on either of these cells. Rather, it suppresses inhibition imposed on these wide-field cells by another subpopulation of upstream GABAergic amacrine cells, thereby sustaining the GABAC receptor activation required for rod bipolar cell sensitization.SIGNIFICANCE STATEMENT The vertebrate retina has an exquisite ability to adjust information processing to ever-changing conditions of ambient illumination, from bright sunlight to single-photon counting under dim starlight. Operation under each of these functional regimes requires an engagement of specific adaptation mechanisms. Here, we describe a mechanism optimizing the performance of the dim-light channel of vision, which consists of sensitizing rod bipolar cells by a sustained GABAergic input originating from a population of wide-field amacrine cells. Wide-field amacrine cells span large segments of the retina, making them uniquely equipped to normalize and optimize response sensitivity across distant receptive fields and preclude any bias toward local light-intensity fluctuations. PMID- 29217691 TI - First-Line Osimertinib Beneficial in Advanced NSCLC. AB - Osimertinib is more effective as first-line therapy than other EGFR inhibitors for patients with advanced EGFR-mutated non-small cell lung cancer-notably Asians, who have a higher incidence of the disease compared with Western populations. The conclusion is based on data from a subgroup analysis of the phase III FLAURA trial. PMID- 29217690 TI - Repositioning of Somatic Golgi Apparatus Is Essential for the Dendritic Establishment of Adult-Born Hippocampal Neurons. AB - New dentate granule cells (DGCs) are continuously generated, and integrate into the preexisting hippocampal network in the adult brain. How an adult-born neuron with initially simple spindle-like morphology develops into a DGC, consisting of a single apical dendrite with further branches, remains largely unknown. Here, using retroviruses to birth date and manipulate newborn neurons, we examined initial dendritic formation and possible underlying mechanisms. We found that GFP expressing newborn cells began to establish a DGC-like morphology at ~7 d after birth, with a primary dendrite pointing to the molecular layer, but at this stage, with several neurites in the neurogenic zone. Interestingly, the Golgi apparatus, an essential organelle for neurite growth and maintenance, was dynamically repositioning in the soma of newborn cells during this initial integration stage. Two weeks after birth, by which time most neurites in the neurogenic zone were eliminated, a compact Golgi apparatus was positioned exclusively at the base of the primary dendrite. We analyzed the presence of Golgi-associated genes using single-cell transcriptomes of newborn DGCs, and among Golgi-related genes, found the presence of STK25 and STRAD, regulators of embryonic neuronal development. When we knocked down either of these two proteins, we found Golgi mislocalization and extensive aberrant dendrite formation. Furthermore, overexpression of a mutated form of STRAD, underlying the disorder polyhydramnios, megalencephaly, and symptomatic epilepsy, characterized by abnormal brain development and intractable epilepsy, caused similar defects in Golgi localization and dendrite formation in adult-born neurons. Together, our findings reveal a role for Golgi repositioning in regulating the initial integration of adult-born DGCs.SIGNIFICANCE STATEMENT Since the discovery of the continuous generation of new neurons in the adult hippocampus, extensive effort was directed toward understanding the functional contribution of these newborn neurons to the existing hippocampal circuit and associated behaviors, while the molecular mechanisms controlling their early morphological integration are less well understood. Dentate granule cells (DGCs) have a single, complex, apical dendrite. The events leading adult-born DGCs' to transition from simple spindle like morphology to mature dendrite morphology are largely unknown. We studied establishment of newborn DGCs dendritic pattern and found it was mediated by a signaling pathway regulating precise localization of the Golgi apparatus. Furthermore, this Golgi-associated mechanism for dendrite establishment might be impaired in a human genetic epilepsy syndrome, polyhydramnios, megalencephaly, and symptomatic epilepsy. PMID- 29217692 TI - Brexit could mean delays for cancer treatments and less safe medicines. PMID- 29217693 TI - Skin rash in a preterm infant: when to treat? PMID- 29217694 TI - Updated birth weight centiles for England and Wales. AB - OBJECTIVES: Construct updated birth weight-for-gestational age centile charts for use in the UK and compare these to the currently used UK-WHO charts. DESIGN: Secondary analysis of national birth data. PARTICIPANTS: Centiles were constructed using 1 269 403 singleton births occurring in England and Wales in 2013-2014 as part of the MBRRACE-UK national perinatal surveillance programme. These were then validated using 642 737 singleton births occurring in England and Wales in 2015. MAIN OUTCOME MEASURES: Sex-specific birth weight-for-gestational age centiles. Centiles were created using the lambda-mu-sigma method via the GAMLSS package in R. This method transforms the skewed birth weight distribution to approximate a normal distribution, allowing any birth weight centile to be produced. RESULTS: The new centiles performed well in the validation sample, with the observed and expected proportion of births below a given centile in agreement. Overall, driven by the predominance of term births, the UK-WHO charts classify a smaller proportion of infants as below a given centile. For example, the UK-WHO estimates classified only 1.32% (8035/606 430) of term infants born in 2015 as below the second centile, compared with 1.97% (11 975/606 430) using the new MBRRACE-UK centiles. At the earliest gestational ages, however, the opposite is observed, with the UK-WHO classifying a larger proportion of infants as below a given centile, particularly at the lower end of the birthweight distribution. CONCLUSIONS: We have constructed and validated updated birth weight-for gestational age centiles using a contemporary sample of births occurring in England and Wales. The benefits of these updated centiles will be first to assist the national surveillance of perinatal mortality programme by improving the identification of the proportion of stillbirths and neonatal deaths affected by intrauterine growth restriction and, second, to aid clinicians by more accurately identifying babies who require increased monitoring in the period immediately following birth. PMID- 29217696 TI - Raising up the voices of the closest observers of care. PMID- 29217695 TI - Harmonizing Methods for Estimating the Impact of Contraceptive Use on Unintended Pregnancy, Abortion, and Maternal Health. AB - Estimates of the potential impacts of contraceptive use on averting unintended pregnancies, total and unsafe abortions, maternal deaths, and newborn, infant, and child deaths provide evidence of the value of investments in family planning programs and thus are critically important for policy makers, donors, and advocates alike. Several research teams have independently developed mathematical models that estimate the number of adverse health outcomes averted due to contraceptive use. However, each modeling approach was designed for different purposes, and as such the methodological assumptions, data inputs, and mathematical algorithms initially used in each model differed; consequently, the models did not produce comparable estimates for the same outcome indicators. To address this, a series of expert group meetings took place in which 5 models Adding it Up, Impact 2, ImpactNow, Reality Check, and FamPlan/Lives Saved Tool (LiST)-were reviewed and harmonized where possible. The group identified the main reasons for the inconsistencies in the estimates generated by the models for each of the adverse health outcome indicators. The group then worked together to align the methodologies for estimating numbers of unintended pregnancies, abortions, and maternal deaths averted due to contraceptive use, and reviewed the challenges with estimating the impact of contraceptive use on newborn, infant, and child deaths, including the lack of a conceptually clear pathway and rigorous evidence. The assumption that most influenced harmonization was the comparison pregnancy rate used by the models to estimate the counterfactual scenario-that is, if women who are currently using contraception were not using a method, how many would become pregnant? All the models now base this on the number of unintended pregnancies among women with unmet contraceptive need, bringing the estimates for unintended pregnancies, total and unsafe abortion, and maternal deaths much closer together. The agreed approaches have already been adopted by the Family Planning 2020 (FP2020) initiative and Track20, a project that supports FP2020. The experts will continue to update their models collaboratively to ensure that the most current estimation methodologies and data available are used. Valid and reliable methodologies for estimating these impacts from family planning are critically important, not only for advocacy to sustain resource allocation commitments but also to enable measurement and tracking of global development indicators. Conflicting estimates can be counterproductive to generating support for family planning programs, and this harmonization process has created a more unified voice for quantifying the benefits of family planning. PMID- 29217697 TI - T-PLL: another check on the venetoclax list? PMID- 29217698 TI - MCL-1 keeps a charming home for thymocytes. PMID- 29217699 TI - Marginal immunogenicity of factor VIII. PMID- 29217700 TI - Unusual finding of a megakaryocyte in a peripheral blood smear. PMID- 29217701 TI - Signet-ring histiocytes in typhoid fever. PMID- 29217702 TI - Meet the First Authors. PMID- 29217703 TI - A Recipe for T-Tubules in Human iPS Cell-Derived Cardiomyocytes. PMID- 29217704 TI - Arrhythmogenic Cardiomyopathy: Pathophysiology Beyond Cardiac Myocytes. PMID- 29217705 TI - Decreased Maternal Cardiac Glucose Oxidation: Taking One for the Fetus. PMID- 29217706 TI - United We Stand; Divided We Fibrillate? PMID- 29217707 TI - Circulating Thyroxine: A Major New Risk Marker for Atherosclerosis? PMID- 29217708 TI - Shine on, Young Physician-Scientist. PMID- 29217709 TI - Bradford C. Berk: Picking Good Questions. PMID- 29217710 TI - 2017 Lucian Award: John McMurray. PMID- 29217711 TI - Cardiovascular Research Center at Icahn School of Medicine at Mount Sinai Translational Mission. PMID- 29217712 TI - CANTOS: A Gigantic Proof-of-Concept Trial. PMID- 29217713 TI - Letter by Gagat and Grzanka Regarding Article, "Neutrophil Activation of Endothelial Cell-Expressed TRPM2 Mediates Transendothelial Neutrophil Migration and Vascular Injury". PMID- 29217714 TI - Response by Mittal et al to Letter Regarding Article, "Neutrophil Activation of Endothelial Cell-Expressed TRPM2 Mediates Transendothelial Neutrophil Migration and Vascular Injury". PMID- 29217715 TI - Noncompaction in Mitochondrial Disorders. PMID- 29217716 TI - Response by Towbin and Jefferies to Letter Regarding Article, "Cardiomyopathies Due to Left Ventricular Noncompaction, Mitochondrial and Storage Diseases, and Inborn Errors of Metabolism". PMID- 29217717 TI - 2017 AHA Late-Breaking Basic Science Abstracts. PMID- 29217718 TI - Social networks, leisure activities and maximum tongue pressure: cross-sectional associations in the Nagasaki Islands Study. AB - OBJECTIVES: Social environment is often associated with health outcomes, but epidemiological evidence for its effect on oral frailty, a potential risk factor for aspiration, is sparse. This study aimed to assess the association between social environment and tongue pressure, as an important measure of oral function. The study focused on family structure, social networks both with and beyond neighbours, and participation in leisure activities. DESIGN: A population-based cross-sectional study. SETTING: Annual health check-ups in a rural community in Japan. PARTICIPANTS: A total of 1982 participants, all over 40 years old. Anyone with missing data for the main outcome (n=14) was excluded. OUTCOME MEASURES: Tongue pressure was measured three times, and the maximum tongue pressure was used for analysis. A multivariable adjusted regression model was used to calculate parameter estimates (B) for tongue pressure. RESULTS: Having a social network involving neighbours (B=2.43, P=0.0001) and taking part in leisure activities (B=1.58, P=0.005) were independently associated with higher tongue pressure, but there was no link with social networks beyond neighbours (B=0.23, P=0.77). Sex-specific analyses showed that for men, having a partner was associated with higher tongue pressure, independent of the number of people in the household (B=2.26, P=0.01), but there was no association among women (B= 0.24, P=0.72; P-interaction=0.059). CONCLUSIONS: Having a social network involving neighbours and taking part in leisure activities were independently associated with higher tongue pressure. Marital status may be an important factor in higher tongue pressure in men. PMID- 29217719 TI - Can traditional risk factors explain the higher risk of cardiovascular disease in South Asians compared to Europeans in Norway and New Zealand? Two cohort studies. AB - OBJECTIVES: The objective was to prospectively examine potential differences in the risk of first cardiovascular disease (CVD) events between South Asians and Europeans living in Norway and New Zealand, and to investigate whether traditional risk factors could explain any differences. METHODS: We included participants (30-74 years) without prior CVD in a Norwegian (n=16 606) and a New Zealand (n=129 449) cohort. Ethnicity and cardiovascular risk factor information was linked with hospital registry data and cause of death registries to identify subsequent CVD events. We used Cox proportional hazards regression to investigate the relationship between risk factors and subsequent CVD for South Asians and Europeans, and to calculate age-adjusted HRs for CVD in South Asians versus Europeans in the two cohorts separately. We sequentially added the major CVD risk factors (blood pressure, lipids, diabetes and smoking) to study their explanatory role in observed ethnic CVD risk differences. RESULTS: South Asians had higher total cholesterol (TC)/high-density lipoprotein (HDL) ratio and more diabetes at baseline than Europeans, but lower blood pressure and smoking levels. South Asians had increased age-adjusted risk of CVD compared with Europeans (87%-92% higher in the Norwegian cohort and 42%-75% higher in the New Zealand cohort) and remained with significantly increased risk after adjusting for all major CVD risk factors. Adjusted HRs for South Asians versus Europeans in the Norwegian cohort were 1.57 (95% CI 1.19 to 2.07) in men and 1.76 (95% CI 1.09 to 2.82) in women. Corresponding figures for the New Zealand cohort were 1.64 (95% CI 1.43 to 1.88) in men and 1.39 (95% CI 1.11 to 1.73) in women. CONCLUSION: Differences in TC/HDL ratio and diabetes appear to explain some of the excess risk of CVD in South Asians compared with Europeans. Preventing dyslipidaemia and diabetes in South Asians may therefore help reduce their excess risk of CVD. PMID- 29217720 TI - Likelihood of death among hospital inpatients in New Zealand: prevalent cohort study. AB - OBJECTIVES: (1) To establish the likelihood of dying within 12 months for a cohort of hospital inpatients in New Zealand (NZ) on a fixed census date; (2) to identify associations between likelihood of death and key sociodemographic, diagnostic and service-related factors and (3) to compare results with, and extend findings of, a Scottish study undertaken for the same time period and census date. National databases of hospitalisations and death registrations were used, linked by unique health identifier. PARTICIPANTS: 6074 patients stayed overnight in NZ hospitals on the census date (10 April 2013), 40.8% of whom were aged >=65 years; 54.4% were women; 69.1% of patients were NZ European; 15.3% were Maori; 7.6% were Pacific; 6.1% were Asian and 1.9% were 'other'. SETTING: All NZ hospitals. RESULTS: 14.5% patients (n=878) had died within 12 months: 1.6% by 7 days; 4.5% by 30 days; 8.0% by 3 months and 10.9% by 6 months. In logistic regression models, the strongest predictors of death within 12 months were: age >=80 years (OR=5.52(95% CI 4.31 to 7.07)); a history of cancer (OR=4.20(3.53 to 4.98)); being Maori (OR=1.62(1.25 to 2.10)) and being admitted to a medical specialty, compared with a surgical specialty (OR=3.16(2.66 to 3.76)). CONCLUSION: While hospitals are an important site of end of life care in NZ, their role is less significant than in Scotland, where 30% of an inpatient cohort recruited using similar methods and undertaken on the same census date had died within 12 months. One reason for this finding may be the extended role of residential long-term care facilities in end of life care provision in NZ. PMID- 29217721 TI - Insights from Australians with respiratory disease living in the community with experience of self-managing through an emergency department 'near miss' for breathlessness: a strengths-based qualitative study. AB - OBJECTIVES: Breathlessness 'crises' in people with chronic respiratory conditions are a common precipitant for emergency department (ED) presentations, many of which might be avoided through improved self-management and support. This study sought insights from people with experience of ED 'near misses' where they considered going to the ED but successfully self-managed instead. DESIGN AND METHODS: A qualitative approach was used with a phenomenological orientation. Participants were eligible if they reported breathlessness on most days from a diagnosed respiratory condition and experience of >=1 ED near miss. Recruitment was through respiratory support groups and pulmonary rehabilitation clinics. Semistructured interviews were conducted with each participant via telephone or face-to-face. Questions focused on ED-related decision-making, information finding, breathlessness management and support. This analysis used an integrative approach and independent coding by two researchers. Lazarus and Cohen's Transactional Model of Stress and Coping informed interpretive themes. RESULTS: Interviews were conducted with 20 participants, 15 of whom had chronic obstructive pulmonary disease. Nineteen interviews were conducted via telephone. Analysis identified important factors in avoiding ED presentation to include perceived control over breathlessness, self-efficacy in coping with a crisis and desire not to be hospitalised. Effective coping strategies included: taking a project management approach that involved goal setting, monitoring and risk management; managing the affective dimension of breathlessness separately from the sensory perceptual and building three-way partnerships with primary care and respiratory services. CONCLUSIONS: In addition to teaching non-pharmacological and pharmacological management of breathlessness, interventions should aim to develop patients' generic self-management skills. Interventions to improve self efficacy should ensure this is substantiated by transfer of skills and support, including knowledge about when ED presentation is necessary. Complementary initiatives are needed to improve coordinated, person-centred care. Future research should seek ways to break the cyclical relationship between affective and sensory-perceptual dimensions of breathlessness. PMID- 29217722 TI - Successfully implementing and embedding guidelines to improve the nutrition and growth of preterm infants in neonatal intensive care: a prospective interventional study. AB - OBJECTIVES: We aimed to improve the nutritional care of preterm infants by developing a complex (multifaceted) intervention intended to translate current evidence into practice. We used the sociological framework of Normalization Process Theory (NPT), to guide implementation in order to embed the new practices into routine care. DESIGN: A prospective interventional study with a before and after methodology. PARTICIPANTS: Infants <30 weeks gestation or <1500 g at birth. SETTING: Tertiary neonatal intensive care unit. INTERVENTIONS: The intervention was introduced in phases: phase A (control period, January-August 2011); phase B (partial implementation; improved parenteral and enteral nutrition solutions, nutrition team, education, August-December 2011); phase C (full implementation; guidelines, screening tool, 'nurse champions', January-December 2012); phase D (postimplementation; January-June 2013). Bimonthly audits and staff NPT questionnaires were used to measure guideline compliance and 'normalisation', respectively. NPT Scores were used to guide implementation in real time. Data on nutrient intakes and growth were collected continuously. RESULTS: There were 52, 36, 75 and 35 infants in phases A, B, C and D, respectively. Mean guideline compliance exceeded 75% throughout the intervention period, peaking at 85%. Guideline compliance and NPT scores both increased over time, (r=0.92 and 0.15, p<0.03 for both), with a significant linear association between the two (r=0.21, p<0.01). There were significant improvements in daily protein intake and weight gain between birth and discharge in phases B and Ccompared with phase A (p<0.01 for all), which were sustained into phase D. CONCLUSIONS: NPT and audit results suggest that the intervention was rapidly incorporated into practice, with high guideline compliance and accompanying improvements in protein intake and weight gain. NPT appears to offer an effective way of implementing new practices such that they lead to sustained changes in care. Complex interventions based on current evidence can improve both practice and clinical outcomes. PMID- 29217723 TI - 'At-risk' individuals' responses to direct to consumer advertising of prescription drugs: a nationally representative cross-sectional study. AB - OBJECTIVES: The factors determining individuals' self-reported behavioural responses to direct to consumer advertising of prescription drugs were explored with an emphasis on 'at-risk' individuals' responses. DESIGN: Nationally representative cross-sectional survey. SETTING: Community living adults in New Zealand. PARTICIPANTS: 2057 adults (51% women). PRIMARY OUTCOME MEASURES: Self reported behavioural responses to drug advertising (asking a physician for a prescription, asking a physician for more information about an illness, searching the internet for more information regarding an illness and asking a pharmacist for more information about a drug). METHODS: Multivariate logistic regressions determined whether participants' self-reported behavioural responses to drug advertising were predicted by attitudes towards advertising and drug advertising, judgements about safety and effectiveness of advertised drugs, self-reported health status, materialism, online search behaviour as well as demographic variables. RESULTS: Identifying as Indian and to a less extent Chinese, Maori and 'other' ethnicities were the strongest predictors of one or more self-reported responses (ORs 1.76-5.00, Ps<0.05). Poorer self-reported health status (ORs 0.90 0.94, all Ps<0.05), favourable attitude towards drug advertising (ORs 1.34-1.61, all Ps<0.001) and searching for medical information online (ORs 1.32-2.35, all Ps<0.01) predicted all self-reported behavioural outcomes. Older age (ORs 1.01 1.02, Ps<0.01), less education (OR 0.89, P<0.01), lower income (ORs 0.89-0.91, Ps<0.05) and higher materialism (ORs 1.02-1.03, Ps<0.01) also predicted one or more self-reported responses. CONCLUSIONS: Taken together, the findings suggest individuals, especially those who are 'at-risk' (ie, with poorer self-reported health status, older, less educated, lower income and ethnic minorities), may be more vulnerable to drug advertising and may make uninformed decisions accordingly. The outcomes raise significant concerns relating to the ethicality of drug advertising and suggest a need for stricter guidelines to ensure that drug advertisements provided by pharmaceutical companies are ethical. PMID- 29217724 TI - Correlation of impulsivity with self-harm and suicidal attempt: a community study of adolescents in Taiwan. AB - OBJECTIVES: The aim of this study was to investigate differences and similarities in risk factors for deliberate self-harm (DSH) and suicidal attempt (SA), and the role of impulsivity among a group of community adolescents. SETTING: This is a cross-sectional study conducted at high schools in Northern Taiwan. DATA AND PARTICIPANTS: We recruited grade 1 students from 14 high schools. A total of 5879 participants (mean age 16.02 years, female adolescents: 57.7%) completed the online assessment. OUTCOME MEASURES: Participants completed online questionnaires about sociodemographic data, suicidality, history of DSH and SA, depressed mood, self-esteem, social support, family discord, impulsivity (Barratt Impulsiveness Scale Version 11 (BIS-11)) and the use of alcohol, tobacco and illicit drugs. A subsample was interviewed about lifetime SA, and the results were compared with those from the online questionnaires. RESULTS: In our sample, 25% of the students had lifetime DSH and 3.5% had lifetime SA. Two hundred and seventy-two students received face-to-face interviews. The concordance between the online questionnaires and interviews in terms of ascertaining cases of SA was moderate (concordance rate 82.76%; kappa value 0.59). Similar risk factors for DSH/SA among the whole sample included female gender, lower academic performance, depression, substance use (tobacco and alcohol) and low self-esteem. The BIS-11 score was correlated with DSH. Factor 3 score of the BIS-11 (novelty seeking) was correlated with DSH in both boys and girls, whereas factor 2 score (lack of self control) was correlated with SA in boys. Social support was a protective factor against SA among the female adolescents. Gender modulated the association of impulsivity and DSH/SA. Associations between impulsivity and DSH and SA were particularly strong among boys. CONCLUSIONS: Risk factors for DSH and SA were similar, but not identical. Early identification of those at risk and appropriate interventions may be helpful. PMID- 29217725 TI - Atrial fibrillation in patients with severe mental disorders and the risk of stroke, fatal thromboembolic events and bleeding: a nationwide cohort study. AB - OBJECTIVES: Outcomes of atrial fibrillation (AF) in patients with severe mental disorders are largely unknown. We compared rates of stroke, fatal thromboembolic events and bleeding in patients with AF with and without mental disorders. DESIGN: Nationwide registry-based cohort study. SETTING: Denmark (population 5.6 million), 2000-2015. PARTICIPANTS: Patients with AF with schizophrenia (n=534), severe depression (n=400) or bipolar disease (n=569) matched 1:5 on age, sex and calendar time to patients with AF without mental disorders. EXPOSURE: Inpatient or hospital-based outpatient diagnosis of schizophrenia, severe depression or bipolar disease. PRIMARY AND SECONDARY OUTCOME MEASURES: HRs for stroke, fatal thromboembolic events and major bleeding comparing patients with and without mental disorders estimated by Cox regression with sequential adjustment for risk factors for stroke and bleeding, comorbidity and initiation of oral anticoagulant therapy (OAT). RESULTS: Compared with matched comparisons, crude 5-year HRs of ischaemic stroke were 1.37 (95% CI 0.88 to 2.14) for schizophrenia, 1.36 (95% CI 0.89 to 2.08) for depression and 1.04 (95% CI 0.69 to 1.56) for bipolar disease. After adjusting for risk factors, comorbidity and OAT, these HRs declined towards the null. Crude HRs of fatal thromboembolic events were 3.16 (95% CI 1.78 to 5.61) for schizophrenia, 1.31 (95% CI 0.67 to 2.56) for depression and 1.53 (95% CI 0.93 to 2.53) for bipolar disease. Rates of major bleeding were increased in patients with schizophrenia (crude HR 1.37, 95% CI 0.99 to 1.90) and severe depression (HR 1.25, 95% CI 0.87 to 1.78) but not bipolar disease (HR 0.82, 95% CI 0.58 to 1.15). CONCLUSION: Patients with AF with schizophrenia or severe depression experienced increased rates of stroke and major bleeding compared with matched comparisons. This increase was largely explained by differences in the prevalence of risk factors for stroke and bleeding, comorbidity and initiation of OAT during follow-up. Patients with AF with schizophrenia further experienced higher mortality following thromboembolic events than matched comparisons without mental disorders. PMID- 29217726 TI - The association between the use of biomedical services and the holistic use of traditional East Asian medicine: a national survey of outpatients in South Korea. AB - OBJECTIVES: The holistic use of a system of complementary and alternative medicine (CAM) is potentially linked to its treatment outcomes. This paper examines how the use of biomedicine is associated with the holistic use of CAM, focusing on traditional East Asian medicine (EM) that is uniquely integrated in the medical system in South Korea. DESIGN/SETTINGS: A representative national sample of EM outpatients in South Korea. PARTICIPANTS: 3861 survey respondents. METHODS: By using the 2011 Korean National Survey of EM patients, ordered logistic regression models specify the relationship between EM outpatients' use of biomedicine and their holistic use of EM modalities. RESULTS: Among EM outpatients who used at least one EM modality in the past 3 months, people who used two (33.3%) or three (29.4%) modalities together are the two highest proportions, followed by users of four (18.1%), five (7.2%), six (2.1%) and seven (0.6%) modalities. The odds for EM users to use EM holistically are 17% greater among EM users who used biomedicine as well, compared with EM users who did not use biomedicine. CONCLUSIONS: The healthcare community should recognise that CAM use likely becomes holistic as people use biomedicine concomitantly, when the practice rights over a CAM system are comprehensively and exclusively entitled to a group of CAM professionals who are independent from practitioners of biomedicine. PMID- 29217727 TI - Advancing the science of health research capacity strengthening in low-income and middle-income countries: a scoping review of the published literature, 2000-2016. AB - OBJECTIVES: Substantial development assistance and research funding are invested in health research capacity strengthening (HRCS) interventions in low-income and middle-income countries, yet the effectiveness, impact and value for money of these investments are not well understood. A major constraint to evidence informed HRCS intervention has been the disparate nature of the research effort to date. This review aims to map and critically analyse the existing HRCS effort to better understand the level, type, cohesion and conceptual sophistication of the current evidence base. The overall goal of this article is to advance the development of a unified, implementation-focused HRCS science. METHODS: We used a scoping review methodology to identify peer-reviewed HRCS literature within the following databases: PubMed, Global Health and Scopus. HRCS publications available in English between the period 2000 and 2016 were included. 1195 articles were retrieved of which 172 met the final inclusion criteria. A priori thematic analysis of all included articles was completed. Content analysis of identified HRCS definitions was conducted. RESULTS: The number of HRCS publications increased exponentially between 2000 and 2016. Most publications during this period were perspective, opinion or commentary pieces; however, original research publications were the primary publication type since 2013. Twenty-five different definitions of research capacity strengthening were identified, of which three aligned with current HRCS guidelines. CONCLUSIONS: The review findings indicate that an HRCS research field with a focus on implementation science is emerging, although the conceptual and empirical bases are not yet sufficiently advanced to effectively inform HRCS programme planning. Consolidating an HRCS implementation science therefore presents as a viable option that may accelerate the development of a useful evidence base to inform HRCS programme planning. Identifying an agreed operational definition of HRCS, standardising HRCS-related terminology, developing a needs-based HRCS-specific research agenda and synthesising currently available evidence may be useful first steps. PMID- 29217728 TI - Acupuncture for patients with vascular dementia: a systematic review protocol. AB - INTRODUCTION: This systematic review protocol aims to provide the methods used to evaluate the effectiveness and safety of acupuncture therapy for treating vascular dementia. METHODS AND ANALYSIS: The following eight databases will be searched from inception to July 2017: Cochrane Central Register of Controlled Trials, PubMed, MEDLINE, EMBASE, China National Knowledge Infrastructure, Chinese Biomedical Literature Database, VIP Database and Wanfang Database. All randomised controlled trials in English or Chinese related to acupuncture for vascular dementia will be included. Outcomes will include change in cognitive function and activities of daily living. The incidence of adverse events will be assessed for safety evaluation. Study inclusion, data extraction and quality assessment will be performed independently by two reviewers. Assessment of risk of bias and data synthesis will be performed using Review Manager software. ETHICS AND DISSEMINATION: Ethics approval is not required because individual patient data are not included. The findings of this systematic review will be disseminated through peer-reviewed publication or conference presentations. PROSPERO REGISTRATION NUMBER: CRD42017071820. PMID- 29217729 TI - Bone marrow solid core biopsy needle: a critical assessment of the utility, benefits and limitations of the instruments employed in current day haematology and oncology. AB - The optimal clinical evaluation of the bone marrow requires an examination of air dried and well-stained films of the aspirated tissue along with a histopathological evaluation of adequately processed and properly stained core biopsy specimens. A bone marrow evaluation can be essential in establishing a diagnosis, determining the efficacy of treatment in haematological disorders and to monitor haematological status of patients following bone marrow/stem cell transplantation. It is also an essential component of the staging process for newly diagnosed malignancies. Currently available bone marrow aspiration needles are quite satisfactory and if properly used provide good-quality specimens for morphological evaluation. However, if a bone marrow core biopsy is concerned, several needles are currently in use but not all of them provide good-quality biopsy specimens for histological evaluation or are user friendly. We have compared the recently introduced Moeller Medical single use bone marrow core biopsy needle with the Jamshidi needle with marrow acquisition cradle (CareFusion), J-needle (Cardinal Health) and OnControl device (Vidacare). It is concluded that the Moeller Medical needle system has definite advantages over others and is recommended for routine use. PMID- 29217730 TI - In Vivo Functional Analysis of Drosophila Robo1 Fibronectin Type-III Repeats. AB - The repellant ligand Slit and its Roundabout (Robo) family receptors regulate midline crossing of axons during development of the embryonic central nervous system (CNS). Slit proteins are produced at the midline and signal through Robo receptors to repel axons from the midline. Disruption of Slit-Robo signaling causes ectopic midline-crossing phenotypes in the CNS of a broad range of animals, including insects and vertebrates. While previous studies have investigated the roles of Drosophila melanogaster Robo1's five Immunoglobulin like (Ig) domains, little is known about the importance of the three evolutionarily conserved Fibronectin (Fn) type-III repeats. We have individually deleted each of Drosophila Robo1's three Fn repeats, and then tested these Robo1 variants in vitro to determine their ability to bind Slit in cultured Drosophila cells and in vivo to investigate the requirement for each domain in regulating Robo1's embryonic expression pattern, axonal localization, midline repulsive function, and sensitivity to Commissureless (Comm) downregulation. We demonstrate that the Fn repeats are not required for Robo1 to bind Slit or for proper expression of Robo1 in Drosophila embryonic neurons. When expressed in a robo1 mutant background, these variants are able to restore midline repulsion to an extent equivalent to full-length Robo1. We identify a novel requirement for Fn3 in the exclusion of Robo1 from commissures and downregulation of Robo1 by Comm. Our results indicate that each of the Drosophila Robo1 Fn repeats are individually dispensable for the protein's role in midline repulsion, despite the evolutionarily conserved "5 + 3" protein structure. PMID- 29217732 TI - Peptide Blocking of PD-1/PD-L1 Interaction for Cancer Immunotherapy. AB - Immunotherapy has become a promising alternative therapeutic approach for cancer patients. Interruption of immune checkpoints, such as CTLA-4 and PD-1, has been verified to be a successful means for cancer therapy in clinical trials. mAb targeting PD-L1 has been approved to treat urothelial carcinoma, non-small cell lung cancer, or Merkel cell carcinoma by the FDA. However, the high cost of the antibody can limit its application. In our study, targeting PD-L1 peptide (TPP 1), which specifically binds to PD-L1 with high affinity, was identified through bacterial surface display methods. Using a T-cell activation assay and mixed lymphocyte reaction, TPP-1 was verified to interfere with the interaction of PD 1/PD-L1. To examine the inhibitory effect of TPP-1 on tumor growth in vivo, a xenograft mouse model using H460 cells was established. The growth rate of tumor masses in TPP-1 or PD-L1 antibody-treated mice was 56% or 71% lower than that in control peptide-treated mice, respectively, indicating that TPP-1 inhibits, or at least retards, tumor growth. IHC of the tumors showed that IFNgamma and granzyme B expression increased in the TPP-1 or PD-L1 antibody-treated groups, indicating that TPP-1 attenuates the inhibitory effect of PD-L1 on T cells and that T cells may get reactivated. On the basis of our data, TPP-1 peptide could work as an alternative to antibodies for tumor immunotherapy. Cancer Immunol Res; 6(2); 178 88. (c)2017 AACR. PMID- 29217731 TI - Genome-Wide Analysis of Grain Yield Stability and Environmental Interactions in a Multiparental Soybean Population. AB - Genetic improvement toward optimized and stable agronomic performance of soybean genotypes is desirable for food security. Understanding how genotypes perform in different environmental conditions helps breeders develop sustainable cultivars adapted to target regions. Complex traits of importance are known to be controlled by a large number of genomic regions with small effects whose magnitude and direction are modulated by environmental factors. Knowledge of the constraints and undesirable effects resulting from genotype by environmental interactions is a key objective in improving selection procedures in soybean breeding programs. In this study, the genetic basis of soybean grain yield responsiveness to environmental factors was examined in a large soybean nested association population. For this, a genome-wide association to performance stability estimates generated from a Finlay-Wilkinson analysis and the inclusion of the interaction between marker genotypes and environmental factors was implemented. Genomic footprints were investigated by analysis and meta-analysis using a recently published multiparent model. Results indicated that specific soybean genomic regions were associated with stability, and that multiplicative interactions were present between environments and genetic background. Seven genomic regions in six chromosomes were identified as being associated with genotype-by-environment interactions. This study provides insight into genomic assisted breeding aimed at achieving a more stable agronomic performance of soybean, and documented opportunities to exploit genomic regions that were specifically associated with interactions involving environments and subpopulations. PMID- 29217733 TI - Sex as a Biologic Variable in Preclinical Imaging Research: Initial Observations with 18F-FLT. AB - The study objective was to investigate whether sex influences 3'-deoxy-3'-18F fluorothymidine (18F-FLT) uptake and tissue distribution in mouse models of cancer. Methods:18F-FLT biodistribution was measured in 3 strains of male and female mice (129S6/SvEv, athymic nude, and BALB/c). 18F-FDG biodistribution was measured for comparison. 18F-FLT uptake was also measured in female 129S6/SvEv mice bearing estrogen-dependent SSM3 mouse mammary tumors, male athymic nude mice bearing androgen-dependent CWR22 prostate cancer xenografts, and male and female athymic nude mice bearing estrogen-independent MDA-MB-231 human breast cancer xenografts. Ki-67 expression was assayed by immunohistochemistry. PET/CT imaging was performed to visualize 18F-FLT biodistribution and to determine pharmacokinetics. Results: Greater 18F-FLT activity was observed in blood, liver, muscle, heart, kidney, and bone in female than male mice. Pharmacokinetic analysis demonstrated higher early renal 18F-FLT activity and greater accumulation of 18F-FLT in the urinary bladder in male than female mice. The differential pattern of 18F-FLT biodistribution between the sexes seen with 18F FLT was not observed with 18F-FDG. Increased tumoral 18F-FLT uptake compared with muscle was observed in both the SSM3 mammary tumors (2.4 +/- 0.17 vs. 1.6 +/- 0.14 percentage injected dose [%ID]/g at 2 h after injection, P = 0.006) and the CWR22 prostate cancer xenografts (0.34 +/- 0.08 vs. 0.098 +/- 0.033 %ID/g at 2 h after injection, P = 0.03). However, because of higher nonspecific muscle uptake in female mice, tumor-to-muscle uptake ratios were greater for CWR22 tumors than for SSM3 tumors (4.2 +/- 0.78 vs. 1.5 +/- 0.049 at 2 h after injection, P = 0.008). Sex-dependent differences in 18F-FLT uptake were also observed for MDA-MB 231 xenografts (tumor-to-muscle ratio, 7.2 +/- 0.9 for female vs. 16.9 +/- 8.6 for male, P = 0.039). Conversely, greater tumoral Ki-67 staining was observed in female mice (71% +/- 3% for female vs. 54% +/- 2% for male, P = 0.009), and this finding more closely matched the relative differences in absolute 18F-FLT tumor uptake values (4.5 +/- 0.99 %ID/g for female vs. 1.9 +/- 0.30 %ID/g for male, P = 0.03). Conclusion: Depending on whether female or male mice are used, differences in biodistribution and nonspecific tissue uptake can adversely affect quantitative measures of 18F-FLT uptake. Thus, sex is a potential variable to consider in defining quantitative imaging metrics using 18F-FLT to assess tumor proliferation. PMID- 29217734 TI - In Vivo Imaging of Pro- and Antitumoral Cellular Components of the Tumor Microenvironment. AB - Tumor development and growth, as well as metastatic spread, are strongly influenced by various, mostly innate, immune cells, which are recruited to the tumor site and driven to establish a specific tumor-supportive microenvironment. The contents of this microenvironment, such as myeloid cells, are a major factor in the overall prognosis of malignant disease, addressed by a constantly growing armament of therapeutic interventions targeting tumor-supportive immune cells. Current clinical imaging has long ignored the growing need for diagnostic approaches addressing these microenvironmental contents-approaches enabling a sensitive and specific classification of tumor immune crosstalk and the resulting tumor-associated immune cell activity. In this focus article we review the present status of, and promising developments in, the in vivo molecular imaging of tumor immune components designed to allow for inferences to be made on the cross-talk between tumor cells and the immune system. Current imaging modalities based on the infiltrating cell types are briefly discussed. PMID- 29217735 TI - Immuno-PET in Pontine Glioma: More Than Meets the Eye? PMID- 29217736 TI - Generation of Structural MR Images from Amyloid PET: Application to MR-Less Quantification. AB - Structural MR images concomitantly acquired with PET images can provide crucial anatomic information for precise quantitative analysis. However, in the clinical setting, not all the subjects have corresponding MR images. Here, we developed a model to generate structural MR images from amyloid PET using deep generative networks. We applied our model to quantification of cortical amyloid load without structural MR. Methods: We used florbetapir PET and structural MR data from the Alzheimer Disease Neuroimaging Initiative database. The generative network was trained to generate realistic structural MR images from florbetapir PET images. After the training, the model was applied to the quantification of cortical amyloid load. PET images were spatially normalized to the template space using the generated MR, and then SUV ratio (SUVR) of the target regions was measured by predefined regions of interest. A real MR-based quantification was used as the gold standard to measure the accuracy of our approach. Other MR-less methods-a normal PET template-based, a multiatlas PET template-based, and a PET segmentation-based normalization/quantification-were also tested. We compared the performance of quantification methods using generated MR with that of MR-based and MR-less quantification methods. Results: Generated MR images from florbetapir PET showed signal patterns that were visually similar to the real MR. The structural similarity index between real and generated MR was 0.91 +/- 0.04. The mean absolute error of SUVR of cortical composite regions estimated by the generated MR-based method was 0.04 +/- 0.03, which was significantly smaller than other MR-less methods (0.29 +/- 0.12 for the normal PET template, 0.12 +/- 0.07 for the multiatlas PET template, and 0.08 +/- 0.06 for the PET segmentation-based methods). Bland-Altman plots revealed that the generated MR-based SUVR quantification was the closest to the SUVRs estimated by the real MR-based method. Conclusion: Structural MR images were successfully generated from amyloid PET images using deep generative networks. Generated MR images could be used as templates for accurate and precise amyloid quantification. This generative method might be used to generate multimodal images of various organs for further quantitative analyses. PMID- 29217737 TI - Is Exercise Treadmill Time or Reduction in Myocardial Ischemia the Appropriate Primary Endpoint to Assess Success of Percutaneous Coronary Intervention in Stable Angina (ORBITA)? PMID- 29217738 TI - Radiolabeled (4-Fluoro-3-Iodobenzyl)Guanidine Improves Imaging and Targeted Radionuclide Therapy of Norepinephrine Transporter-Expressing Tumors. AB - 18F- or 131I-labeled (4-fluoro-3-iodobenzyl)guanidine (FIBG) has been a promising yet unattainable derivative of radioiodine-labeled meta-iodobenzylguanidine (MIBG), because of the complex radiofluorination method. In this study, we proposed a 2-step radiosynthetic method to obtain 18F-FIBG and evaluated the diagnostic and therapeutic potential of 18F-FIBG and 131I-FIBG in a pheochromocytoma model (PC-12). Methods:18F-FIBG was prepared from a (mesityl)(aryl)iodonium salt precursor in the presence of a copper catalyst. Biodistribution studies, PET imaging, and a therapeutic study were performed on the PC-12 xenograft mice with either 18F- or 131I-FIBG. The association between the therapeutic effect and the tumor uptake of pretherapy 18F-FIBG PET was also evaluated. Results: The copper-mediated radiofluorination method readily yielded 18F-FIBG, as well as its regioisomer, 18F-IFBG. The isolated 18F-FIBG showed a higher accumulation in the PC-12 xenograft tumor than in any other tissue. The high tumor uptake of 18F-FIBG allowed clear tumor visualization in the PET images as early as 1 h after injection, with an excellent tumor-to-background ratio. A biodistribution study with 131I-FIBG revealed its higher and prolonged retention in the tumor in comparison with 125I-MIBG. As a result, a therapeutic dose of 131I-FIBG delayed tumor growth significantly more than did 131I-MIBG. The tumor uptake of 18F-FIBG was proportional to the therapeutic effect of 131I-FIBG. Conclusion: These results suggest the potential usefulness of FIBG as a diagnostic and therapeutic agent for the management of norepinephrine transporter (NET)-expressing tumors. PMID- 29217739 TI - 90Y Radioembolization for Locally Advanced Hepatocellular Carcinoma with Portal Vein Thrombosis: Long-Term Outcomes in a 185-Patient Cohort. AB - We report survival outcomes for patients with advanced-stage hepatocellular carcinoma (HCC) with portal vein thrombosis (PVT) treated with 90Y radioembolization. Methods: With institutional review board approval, we searched our prospectively acquired database for 90Y patients treated between 2003 and 2017. Inclusion criteria were patients who had HCC with tumor PVT. Patients with metastases were excluded. Laboratory data were collected at baseline and 1 mo after 90Y radioembolization. Toxicity grades were reported according to the Common Terminology Criteria for Adverse Events, version 4.0, and long-term survival outcomes were reported and stratified by Child-Pugh class (CP). Overall survival was calculated using the Kaplan-Meier method. Multivariate analysis was performed using Cox proportional hazards regression. A subanalysis for patients with a high level of alpha-fetoprotein (AFP) (>100 ng/dL) was conducted. Results: In total, 185 patients with HCC PVT underwent 90Y radioembolization. Seventy-four (40%) were CP-A, 51 (28%) were CP-B7, and 60 (32%) were >=CP-B8. New albumin, bilirubin, and alkaline phosphatase grade 3/4 toxicities were, respectively, 3%, 10%, and 0% for CP-A; 14%, 12%, and 6% for CP-B7; and 23%, 32%, and 3% for >=CP B8. Median overall survival for CP-A patients was 13.3 mo (95% confidence interval [CI], 8.7-15.7 mo). CP-B7 and >=CP-B8 patients exhibited median overall survival of 6.9 mo (95% CI, 5.3-10.1 mo) and 3.9 mo (95% CI, 2.9-5.0 mo), respectively. Significant overall survival prognosticators on univariate analysis were albumin, bilirubin, ascites, tumor size 5 cm or smaller, focality, distribution, infiltration, Eastern Cooperative Oncology Group status, AFP level, and PVT extent. Multivariate analysis showed the prognosticators of overall survival to be bilirubin, no ascites, tumor size 5 cm or smaller, solitary lesion, baseline AFP level lower than 100 ng/dL, and Eastern Cooperative Oncology Group status. Of 123 patients with a high AFP level (>100 ng/dL), 12 patients achieved restored normal AFP levels (<13 ng/dL) and exhibited median overall survival of 23.9 mo (95% CI, 20.1-124.1 mo). AFP responders at 1 mo had better overall survival than nonresponders, at 8.5 mo versus 4.8 mo (P = 0.018); AFP responders at 3 mo had overall survival of 13.3 mo, versus 6.9 mo for nonresponders (P = 0.021). Conclusion:90Y radioembolization can serve as a safe and effective treatment for advanced-stage HCC patients with tumor PVT. Overall survival outcomes are affected by baseline liver function, tumor size, and AFP level. PMID- 29217740 TI - Optic Nerve Measurement on MRI in the Pediatric Population: Normative Values and Correlations. AB - BACKGROUND AND PURPOSE: Few articles in the literature have looked at the diameter of the optic nerve on MR imaging, especially in children, in whom observations are subjective and no normative data exist. The aim of this study was to establish a data base for optic nerve diameter measurements on MR imaging in the pediatric population. MATERIALS AND METHODS: This was a retrospective study on the MR imaging of pediatric subjects (younger than 18 years of age) at the Department of Diagnostic Radiology at the American University of Beirut Medical Center, Beirut, Lebanon. The optic nerve measurements were obtained by 3 raters on axial and coronal sections at 3 mm (retrobulbar) and 7 mm (intraorbital) posterior to the lamina cribrosa. RESULTS: Of 211 scans of patients (422 optic nerves), 377 optic nerves were measured and included. Ninety four patients were female (45%) and the median age at MR imaging was 8.6 years (interquartile range, 3.9-13.3 years). Optic nerves were divided into 5 age groups: 0-6 months (n = 18), 6 months-2 years (n = 44), 2-6 years (n = 86), 6-12 years (n = 120), and 12-18 years (n = 109). An increase in optic nerve diameter was observed with age, especially in the first 2 years of life. Measurements did not differ with eye laterality or sex. CONCLUSIONS: We report normative values of optic nerve diameter measured on MR imaging in children from birth to 18 years of age. A rapid increase in optic nerve diameter was demonstrated during the first 2 years of life, followed by a slower increase. This was independent of sex or eye laterality. PMID- 29217741 TI - On the Reproducibility of Inversion Recovery Intravoxel Incoherent Motion Imaging in Cerebrovascular Disease. AB - BACKGROUND AND PURPOSE: Intravoxel incoherent motion imaging can measure both microvascular and parenchymal abnormalities simultaneously. The contamination of CSF signal can be suppressed using inversion recovery preparation. The clinical feasibility of inversion recovery-intravoxel incoherent motion imaging was investigated in patients with cerebrovascular disease by studying its reproducibility. MATERIALS AND METHODS: Sixteen patients with cerebrovascular disease (66 +/- 8 years of age) underwent inversion recovery-intravoxel incoherent motion imaging twice. The reproducibility of the perfusion volume fraction and parenchymal diffusivity was calculated with the coefficient of variation, intraclass correlation coefficient, and the repeatability coefficient. ROIs included the normal-appearing white matter, cortex, deep gray matter, white matter hyperintensities, and vascular lesions. RESULTS: Values for the perfusion volume fraction ranged from 2.42 to 3.97 *10-2 and for parenchymal diffusivity from 7.20 to 9.11 * 10-4 mm2/s, with higher values found in the white matter hyperintensities and vascular lesions. Coefficients of variation were <3.70% in normal-appearing tissue and <9.15% for lesions. Intraclass correlation coefficients were good to excellent, showing values ranging from 0.82 to 0.99 in all ROIs, except the deep gray matter and cortex, with intraclass correlation coefficients of 0.66 and 0.54, respectively. The repeatability coefficients ranged from 0.15 to 0.96 * 10-2 and 0.10 to 0.37 * 10-4 mm2/s for perfusion volume fraction and parenchymal diffusivity, respectively. CONCLUSIONS: Good reproducibility of inversion recovery-intravoxel incoherent motion imaging was observed with low coefficients of variation and high intraclass correlation coefficients in normal-appearing tissue and lesion areas in cerebrovascular disease. Good reproducibility of inversion recovery-intravoxel incoherent motion imaging in cerebrovascular disease is feasible in monitoring disease progression or treatment responses in the clinic. PMID- 29217742 TI - Diagnostic Accuracy of Centrally Restricted Diffusion in the Differentiation of Treatment-Related Necrosis from Tumor Recurrence in High-Grade Gliomas. AB - BACKGROUND AND PURPOSE: Centrally restricted diffusion has been demonstrated in recurrent high-grade gliomas treated with bevacizumab. Our purpose was to assess the accuracy of centrally restricted diffusion in the diagnosis of radiation necrosis in high-grade gliomas not treated with bevacizumab. MATERIALS AND METHODS: In this prospective study, we enrolled patients with high-grade gliomas who developed a new ring-enhancing necrotic lesion and who underwent re resection. The presence of a centrally restricted diffusion within the ring enhancing lesion was assessed visually on diffusion trace images and by ADC measurements on 3T preoperative diffusion tensor examination. The percentage of tumor recurrence and radiation necrosis in each surgical specimen was defined histopathologically. The association between centrally restricted diffusion and radiation necrosis was assessed using the Fisher exact test. Differences in ADC and the ADC ratio between the groups were assessed via the Mann-Whitney U test, and receiver operating characteristic curve analysis was performed. RESULTS: Seventeen patients had re-resected ring-enhancing lesions: 8 cases of radiation necrosis and 9 cases of tumor recurrence. There was significant association between centrally restricted diffusion by visual assessment and radiation necrosis (P = .015) with a sensitivity of 75% and a specificity of 88.9%, a positive predictive value 85.7%, and a negative predictive value of 80% for the diagnosis of radiation necrosis. There was a statistically significant difference in the ADC and ADC ratio between radiation necrosis and tumor recurrence (P = .027). CONCLUSIONS: The presence of centrally restricted diffusion in a new ring enhancing lesion might indicate radiation necrosis rather than tumor recurrence in high-grade gliomas previously treated with standard chemoradiation without bevacizumab. PMID- 29217743 TI - Dural Arteriovenous Fistulas: A Characteristic Pattern of Edema and Enhancement of the Medulla on MRI. AB - Medullary edema with enhancement is rarely reported at initial MR imaging in intracranial dural arteriovenous fistulas. We report a series of 5 patients with dural arteriovenous fistulas, all of whom demonstrated a characteristic pattern of central medullary edema and medullary enhancement at initial MR imaging. Cognard type V dural arteriovenous fistula, defined by drainage into the perimedullary veins and the veins surrounding the brain stem, is a rare yet well described pathologic entity. Even more rarely reported, however, is its clinical presentation with predominantly bulbar symptoms and MR imaging findings of central medullary edema with enhancement. This constellation of findings frequently leads to a convoluted clinical picture, prompting work-up for alternative disease processes and delaying diagnosis. Because an expedited diagnosis is critical in preventing poor outcomes, it is paramount to make the referring physician and neuroradiologist more cognizant of this rare-yet characteristic imaging manifestation of dural arteriovenous fistula. PMID- 29217744 TI - The CT Swirl Sign Is Associated with Hematoma Expansion in Intracerebral Hemorrhage. AB - BACKGROUND AND PURPOSE: Hematoma expansion is an independent determinant of poor clinical outcome in intracerebral hemorrhage. Although the "spot sign" predicts hematoma expansion, the identification requires CT angiography, which limits its general accessibility in some hospital settings. Noncontrast CT, without the need for CT angiography, may identify sites of active extravasation, termed the "swirl sign." We aimed to determine the association of the swirl sign with hematoma expansion. MATERIALS AND METHODS: Patients with spontaneous intracerebral hemorrhage between 2007 and 2014 who underwent an initial and subsequent noncontrast CT at a single center were retrospectively identified. The swirl sign, on noncontrast CT, was defined as iso- or hypodensity within a hyperdense region that extended across 2 contiguous 5-mm axial CT sections. RESULTS: A total of 212 patients met the inclusion criteria. The swirl sign was identified in 91 patients with excellent interobserver agreement (kappa = 0.87). The swirl sign was associated with larger initial hematoma (P < .001) and earlier initial CT (P < .001) and hematoma expansion (P = .028). Multivariable regression modeling demonstrated that if one assumed similar initial hematoma volume, onset-to-first scan, and time between CT scans, the median absolute hematoma growth was 5.77 mL (95% CI, 2.37-9.18 mL; P = .001) and relative growth was 35.6% (95% CI, 18.5% 52.6%; P < .001) higher in patients with the swirl sign compared with those without. CONCLUSIONS: The NCCT swirl sign was reliably identified and is associated with hematoma expansion. We propose that the swirl sign be included in risk stratification of intracerebral hemorrhage and considered for inclusion in clinical trials. PMID- 29217745 TI - Intranasal Esthesioneuroblastoma: CT Patterns Aid in Preventing Routine Nasal Polypectomy. AB - BACKGROUND AND PURPOSE: Esthesioneuroblastoma is a neuroectodermal tumor that commonly arises in the nasal cavity olfactory recess and, when isolated to the intranasal cavity, can be indistinguishable from benign processes. Because lesional aggressiveness requires a more invasive operation for resection than polypectomy, patients with isolated intranasal lesions were studied to define distinguishing CT characteristics. MATERIALS AND METHODS: Patients with intranasal esthesioneuroblastoma and controls without esthesioneuroblastoma with olfactory recess involvement were identified by using a report search tool. Studies demonstrating skull base invasion and/or intracranial extension were excluded. The imaging spectrum of these lesions was reviewed on both CT and MR imaging, and CT findings were compared with those of controls without esthesioneuroblastoma. Two blinded readers assessed subjects with esthesioneuroblastomas and controls without esthesioneuroblastoma and, using only CT criteria, rated their level of suspicion for esthesioneuroblastoma in each case. RESULTS: Eight histologically proved cases of intranasal esthesioneuroblastoma were reviewed. All cases had CT demonstrating 3 main findings: 1) an intranasal polypoid lesion with its epicenter in a unilateral olfactory recess, 2) causing asymmetric olfactory recess widening, and 3) extending to the cribriform plate. Twelve patients with non-esthesioneuroblastoma diseases involving the olfactory recess were used as controls. Using these 3 esthesioneuroblastoma CT criteria, 2 blinded readers evaluating patients with esthesioneuroblastoma and controls had good diagnostic accuracy (area under the curve = 0.85 for reader one, 0.81 for reader 2) for predicting esthesioneuroblastoma. CONCLUSIONS: Esthesioneuroblastoma can present as a well marginated intranasal lesion that unilaterally widens the olfactory recess. CT patterns can help predict esthesioneuroblastoma, potentially preventing multiple operations by instigating the correct initial operative management. PMID- 29217746 TI - Semiautomated Middle Ear Volume Measurement as a Predictor of Postsurgical Outcomes for Congenital Aural Atresia. AB - BACKGROUND AND PURPOSE: Middle ear space is one of the most important components of the Jahrsdoerfer grading system (J-score), which is used to determine surgical candidacy for congenital aural atresia. The purpose of this study was to introduce a semiautomated method for measuring middle ear volume and determine whether middle ear volume, either alone or in combination with the J-score, can be used to predict early postoperative audiometric outcomes. MATERIALS AND METHODS: A retrospective analysis was conducted of 18 patients who underwent an operation for unilateral congenital aural atresia at our institution. Using the Livewire Segmentation tool in the Carestream Vue PACS, we segmented middle ear volumes using a semiautomated method for all atretic and contralateral normal ears on preoperative high-resolution CT imaging. Postsurgical audiometric outcome data were then analyzed in the context of these middle ear volumes. RESULTS: Atretic middle ear volumes were significantly smaller than those in contralateral normal ears (P < .001). Patients with atretic middle ear volumes of >305 mm3 had significantly better postoperative pure tone average and speech reception thresholds than those with atretic ears below this threshold volume (P = .01 and P = .006, respectively). Atretic middle ear volume incorporated into the J-score offered the best association with normal postoperative hearing (speech reception threshold <= 30 dB; OR = 37.8, P = .01). CONCLUSIONS: Middle ear volume, calculated in a semiautomated fashion, is predictive of postsurgical audiometric outcomes, both independently and in combination with the conventional J-score. PMID- 29217747 TI - MR Perfusion to Determine the Status of Collaterals in Patients with Acute Ischemic Stroke: A Look Beyond Time Maps. AB - BACKGROUND AND PURPOSE: Patients with acute stroke with robust collateral flow have better clinical outcomes and may benefit from endovascular treatment throughout an extended time window. Using a multiparametric approach, we aimed to identify MR perfusion parameters that can represent the extent of collaterals, approximating DSA. MATERIALS AND METHODS: Patients with anterior circulation proximal arterial occlusion who had baseline MR perfusion and DSA were evaluated. The volume of arterial tissue delay (ATD) at thresholds of 2-6 seconds (ATD2-6 seconds) and >6 seconds (ATD>6 seconds) in addition to corresponding values of normalized CBV and CBF was calculated using VOI analysis. The association of MR perfusion parameters and the status of collaterals on DSA were assessed by multivariate analyses. Receiver operating characteristic analysis was performed. RESULTS: Of 108 patients reviewed, 39 met our inclusion criteria. On DSA, 22/39 (56%) patients had good collaterals. Patients with good collaterals had significantly smaller baseline and final infarct volumes, smaller volumes of severe hypoperfusion (ATD>6 seconds), larger volumes of moderate hypoperfusion (ATD2-6 seconds), and higher relative CBF and relative CBV values than patients with insufficient collaterals. Combining the 2 parameters into a Perfusion Collateral Index (volume of ATD2-6 seconds * relative CBV2-6 seconds) yielded the highest accuracy for predicting collateral status: At a threshold of 61.7, this index identified 15/17 (88%) patients with insufficient collaterals and 22/22 (100%) patients with good collaterals, for an overall accuracy of 94.1%. CONCLUSIONS: The Perfusion Collateral Index can predict the baseline collateral status with 94% diagnostic accuracy compared with DSA. PMID- 29217748 TI - Lower Arterial Cross-Sectional Area of Carotid and Vertebral Arteries and Higher Frequency of Secondary Neck Vessels Are Associated with Multiple Sclerosis. AB - BACKGROUND AND PURPOSE: Arterial and neck vessel system characteristics of patients with multiple sclerosis have not been previously investigated. Therefore, the aim of this study was to examine the frequency of neck vessels and their cross-sectional areas (in square millimeters) between patients with MS and healthy controls. MATERIALS AND METHODS: In this study, 193 patients with MS and 193 age- and sex-matched healthy controls underwent 2D TOF venography at 3T. The main arterial (carotid and vertebral), venous (internal jugular), and secondary neck vessels were examined at 4 separate cervical levels (C2/3, C4, C5/6, and C7/T1). The ANCOVA adjusted for age, body mass index, smoking status, hypertension, and heart disease was used to compare the differences between patients with MS and healthy controls. RESULTS: After controlling for all confounding factors, patients with MS had significantly lower cross-sectional areas of the carotid arteries at the C2/3 (P = .03), C5/6 (P = .026), and C7/T1 (P = .005) levels as well as of the vertebral arteries at the C2/3 (P = .02), C4 (P = .012), and C7/T1 (P = .006) levels, compared with healthy controls. A higher frequency of secondary neck vessels was found at all 4 levels in patients with MS: C2/3 (12.9 versus 10, P < .001), C4 (9.1 versus 7.5, P < .001), C5/6 (7.8 versus 6.8, P = .012), and C7/T1 (8.8 versus 6, P < .001). The total cross sectional areas of secondary neck vessels were also significantly higher at all 4 levels (P < .03). No significant differences in the cross-sectional areas of jugular veins were found between patients with MS and healthy controls. CONCLUSIONS: Patients with MS showed lower cross-sectional areas of the carotid and vertebral arteries and a higher frequency of secondary neck vessels and their cross-sectional areas compared with healthy controls. PMID- 29217749 TI - Hepatitis delta virus persists during liver regeneration and is amplified through cell division both in vitro and in vivo. AB - OBJECTIVE: Hepatitis delta virus (HDV) was shown to persist for weeks in the absence of HBV and for months after liver transplantation, demonstrating the ability of HDV to persevere in quiescent hepatocytes. The aim of the study was to evaluate the impact of cell proliferation on HDV persistence in vitro and in vivo. DESIGN: Genetically labelled human sodium taurocholate cotransporting polypeptide (hNTCP)-transduced human hepatoma(HepG2) cells were infected with HBV/HDV and passaged every 7 days for 100 days in the presence of the entry inhibitor Myrcludex-B. In vivo, cell proliferation was triggered by transplanting primary human hepatocytes (PHHs) isolated from HBV/HDV-infected humanised mice into naive recipients. Virological parameters were measured by quantitative real time polymerase chain reaction (qRT-PCR). Hepatitis delta antigen (HDAg), hepatitis B core antigen (HBcAg) and cell proliferation were determined by immunofluorescence. RESULTS: Despite 15 in vitro cell passages and block of viral spreading by Myrcludex-B, clonal cell expansion permitted amplification of HDV infection. In vivo, expansion of PHHs isolated from HBV/HDV-infected humanised mice was confirmed 3 days, 2, 4 and 8 weeks after transplantation. While HBV markers rapidly dropped in proliferating PHHs, HDAg-positive hepatocytes were observed among dividing cells at all time points. Notably, HDAg-positive cells appeared in clusters, indicating that HDV was transmitted to daughter cells during liver regeneration even in the absence of de novo infection. CONCLUSION: This study demonstrates that HDV persists during liver regeneration by transmitting HDV RNA to dividing cells even in the absence of HBV coinfection. The strong persistence capacities of HDV may also explain why HDV clearance is difficult to achieve in HBV/HDV chronically infected patients. PMID- 29217750 TI - Overcoming immune evasion in pancreatic cancer: the combination matters. PMID- 29217751 TI - Cellular basis of brain maturation and acquisition of complex behaviors in salamanders. AB - The overall bauplan of the tetrapod brain is highly conserved, yet significant variations exist among species in terms of brain size, structural composition and cellular diversity. Understanding processes underlying neural and behavioral development in a wide range of species is important both from an evolutionary developmental perspective as well as for the identification of cell sources with post-developmental neurogenic potential. Here, we characterize germinal processes in the brain of Notophthalmus viridescens and Pleurodeles waltl during both development and adulthood. Using a combination of cell tracking tools, including clonal analyses in new transgenic salamander lines, we examine the origin of neural stem and progenitor cells found in the adult brain, determine regional variability in cell cycle length of progenitor cells, and show spatiotemporally orchestrated neurogenesis. We analyze how maturation of different brain regions and neuronal subpopulations are linked to the acquisition of complex behaviors, and how these behaviors are altered upon chemical ablation of dopamine neurons. Our data analyzed from an evolutionary perspective reveal both common and species specific processes in tetrapod brain formation and function. PMID- 29217752 TI - Mapping the distribution of stem/progenitor cells across the mouse middle ear during homeostasis and inflammation. AB - The middle ear epithelium is derived from neural crest and endoderm, which line distinct regions of the middle ear cavity. Here, we investigate the distribution of putative stem cell markers in the middle ear, combined with an analysis of the location of label-retaining cells (LRCs) to create a map of the middle ear mucosa. We show that proliferating cells and LRCs were associated with specific regions of the ear epithelium, concentrated in the hypotympanum at the base of the auditory bulla and around the ear drum. Sox2 was widely expressed in the endodermally derived ciliated pseudostratified epithelium of the hypotympanum. This part of the middle ear showed high levels of Wnt activity, as indicated by the expression of Axin2, a readout of Wnt signalling. Keratin 5 showed a more restricted expression within the basal cells of this region, with very little overlap between the Sox2- and keratin 5-positive epithelium, indicating that these genes mark distinct populations. Little expression of Sox2 or keratin 5 was observed in the neural crest-derived middle ear epithelium that lined the promontory, except in cases of otitis media when this epithelium underwent hyperplasia. This study lays the foundation for furthering our understanding of homeostasis and repair in the middle ear. PMID- 29217753 TI - Wnt inhibition promotes vascular specification of embryonic cardiac progenitors. AB - Several studies have demonstrated a multiphasic role for Wnt signaling during embryonic cardiogenesis and developed protocols that enrich for cardiac derivatives during in vitro differentiation of human pluripotent stem cells (hPSCs). However, few studies have investigated the role of Wnt signaling in the specification of cardiac progenitor cells (CPCs) toward downstream fates. Using transgenic mice and hPSCs, we tracked endothelial cells (ECs) that originated from CPCs expressing NKX2.5. Analysis of EC-fated CPCs at discrete phenotypic milestones during hPSC differentiation identified reduced Wnt activity as a hallmark of EC specification, and the enforced activation or inhibition of Wnt reduced or increased, respectively, the degree of vascular commitment within the CPC population during both hPSC differentiation and mouse embryogenesis. Wnt5a, which has been shown to exert an inhibitory influence on Wnt signaling during cardiac development, was dynamically expressed during vascular commitment of hPSC derived CPCs, and ectopic Wnt5a promoted vascular specification of hPSC-derived and mouse embryonic CPCs. PMID- 29217754 TI - ERECTA-family genes coordinate stem cell functions between the epidermal and internal layers of the shoot apical meristem. AB - The epidermal cell layer and the tissues that lie underneath have different intrinsic functions during plant development. The stem cells within the shoot apical meristem (SAM) that give rise to aerial structures are located in the epidermal and internal tissue layers. However, our understanding of how the functions of these stem cells are coordinated across tissue layers so stem cells can behave as a single population remains limited. WUSCHEL (WUS) functions as a master regulator of stem cell activity. Here, we show that loss of function in the ERECTA (ER)-family receptor kinase genes can rescue the mutant phenotype of wus plants (loss of stem cells), as demonstrated by the reinstated expression of a stem cell marker gene in the SAM epidermis. Localized ER expression in the epidermis can suppress the SAM phenotype caused by loss of ER-family activity. Furthermore, the CLAVATA3- and cytokinin-induced outputs, which contribute to stem cell homeostasis, are dysfunctional in a tissue layer-specific manner in ER family mutants. Collectively, our findings suggest that the ER family plays a role in the coordination of stem cell behavior between different SAM tissue layers. PMID- 29217755 TI - Pollen differentiation as well as pollen tube guidance and discharge are independent of the presence of gametes. AB - After meiosis, an unequal cell division generates the male gamete lineage in flowering plants. The generative cell will undergo a second division, giving rise to the two gametes, i.e. the sperm cells. The other cell will develop into the vegetative cell that plays a crucial role in pollen tube formation and sperm delivery. Recently, the vegetative cell has been suggested to be important for programming of the chromatin state in sperm cells and/or the resulting fertilization products. Blocking the initial unequal division genetically, we first highlight that the default differentiation state after male meiosis is a vegetative fate, which is consistent with earlier work. We find that uni nucleated mutant microspores differentiated as wild-type vegetative cells, including chromatin remodeling and the transcriptional activation of transposable elements. Moreover, live-cell imaging revealed that this vegetative cell is sufficient for the correct guidance of the pollen tube to the female gametes. Hence, we conclude that vegetative cell differentiation and function does not depend on the formation or presence of the actual gametes but rather on external signals or a cell-autonomous pace keeper. PMID- 29217756 TI - Light-focusing human micro-lenses generated from pluripotent stem cells model lens development and drug-induced cataract in vitro. AB - Cataracts cause vision loss and blindness by impairing the ability of the ocular lens to focus light onto the retina. Various cataract risk factors have been identified, including drug treatments, age, smoking and diabetes. However, the molecular events responsible for these different forms of cataract are ill defined, and the advent of modern cataract surgery in the 1960s virtually eliminated access to human lenses for research. Here, we demonstrate large-scale production of light-focusing human micro-lenses from spheroidal masses of human lens epithelial cells purified from differentiating pluripotent stem cells. The purified lens cells and micro-lenses display similar morphology, cellular arrangement, mRNA expression and protein expression to human lens cells and lenses. Exposing the micro-lenses to the emergent cystic fibrosis drug Vx-770 reduces micro-lens transparency and focusing ability. These human micro-lenses provide a powerful and large-scale platform for defining molecular disease mechanisms caused by cataract risk factors, for anti-cataract drug screening and for clinically relevant toxicity assays. PMID- 29217758 TI - Targeting Myocardial Energetics in the Failing Heart: Are We There Yet? PMID- 29217757 TI - Novel Mitochondria-Targeting Peptide in Heart Failure Treatment: A Randomized, Placebo-Controlled Trial of Elamipretide. AB - BACKGROUND: Mitochondrial dysfunction and energy depletion in the failing heart are innovative therapeutic targets in heart failure management. Elamipretide is a novel tetrapeptide that increases mitochondrial energy; however, its safety, tolerability, and therapeutic effect on cardiac structure and function have not been studied in heart failure with reduced ejection fraction. METHODS AND RESULTS: In this double-blind, placebo-controlled, ascending-dose trial, patients with heart failure with reduced ejection fraction (ejection fraction, <=35%) were randomized to either a single 4-hour infusion of elamipretide (cohort 1 [n=8], 0.005; cohort 2 [n=8], 0.05; and cohort 3 [n=8], 0.25 mg.kg-1.h-1) or placebo control (n=12). Safety and efficacy were assessed by clinical, laboratory, and echocardiographic assessments performed at pre-, mid- and end-infusion and 6-, 8 , 12- and 24-hours postinfusion start. Peak plasma concentrations of elamipretide occurred at end-infusion and were undetectable by 24 hours postinfusion. There were no serious adverse events. Blood pressure and heart rate remained stable in all cohorts. Compared with placebo, a significant decrease in left ventricular end-diastolic volume (-18 mL; P=0.009) and end-systolic volume (-14 mL; P=0.005) occurred at end infusion in the highest dose cohort. CONCLUSIONS: This is the first study to evaluate elamipretide in heart failure with reduced ejection fraction and demonstrates that a single infusion of elamipretide is safe and well tolerated. High-dose elamipretide resulted in favorable changes in left ventricular volumes that correlated with peak plasma concentrations, supporting a temporal association and dose-effect relationship. Further study of elamipretide is needed to determine long-term safety and efficacy. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02388464. PMID- 29217759 TI - Opposing Roles of Dendritic Cell Subsets in Experimental GN. AB - Dendritic cells (DCs) are thought to form a dendritic network across barrier surfaces and throughout organs, including the kidney, to perform an important sentinel function. However, previous studies of DC function used markers, such as CD11c or CX3CR1, that are not unique to DCs. Here, we evaluated the role of DCs in renal inflammation using a CD11c reporter mouse line and two mouse lines with DC-specific reporters, Zbtb46-GFP and Snx22-GFP. Multiphoton microscopy of kidney sections confirmed that most of the dendritically shaped CD11c+ cells forming a network throughout the renal interstitium expressed macrophage-specific markers. In contrast, DCs marked by Zbtb46-GFP or Snx22-GFP were less abundant, concentrated around blood vessels, and round in shape. We confirmed this pattern of localization using imaging mass cytometry. Motility measurements showed that resident macrophages were sessile, whereas DCs were motile before and after inflammation. Although uninflamed glomeruli rarely contained DCs, injury with nephrotoxic antibodies resulted in accumulation of ZBTB46 + cells in the periglomerular region. ZBTB46 identifies all classic DCs, which can be categorized into two functional subsets that express either CD103 or CD11b. Depletion of ZBTB46 + cells attenuated the antibody-induced kidney injury, whereas deficiency of the CD103+ subset accelerated injury through a mechanism that involved increased neutrophil infiltration. RNA sequencing 7 days after nephrotoxic antibody injection showed that CD11b+ DCs expressed the neutrophil attracting cytokine CXCL2, whereas CD103+ DCs expressed high levels of several anti-inflammatory genes. These results provide new insights into the distinct functions of the two major DC subsets in glomerular inflammation. PMID- 29217760 TI - Tumor-Associated Fatigue in Cancer Patients Develops Independently of IL1 Signaling. AB - Fatigue is the most common symptom of cancer at diagnosis, yet causes and effective treatments remain elusive. As tumors can be highly inflammatory, it is generally accepted that inflammation mediates cancer-related fatigue. However, evidence to support this assertion is mostly correlational. In this study, we directly tested the hypothesis that fatigue results from propagation of tumor induced inflammation to the brain and activation of the central proinflammatory cytokine, IL1. The heterotopic syngeneic murine head and neck cancer model (mEER) caused systemic inflammation and increased expression of Il1b in the brain while inducing fatigue-like behaviors characterized by decreased voluntary wheel running and exploratory activity. Expression of Il1b in the brain was not associated with any alterations in motivation, measured by responding in a progressive ratio schedule of food reinforcement, depression-like behaviors, or energy balance. Decreased wheel running occurred prior to Il1b detection in the brain, when systemic inflammation was minimal. Furthermore, mice null for two components of IL1beta signaling, the type 1 IL1 receptor or the receptor adapter protein MyD88, were not protected from tumor-induced decreases in wheel running, despite attenuated cytokine action and expression. Behavioral and inflammatory analysis of four additional syngeneic tumor models revealed that tumors can induce fatigue regardless of their systemic or central nervous system inflammatory potential. Together, our results show that brain IL1 signaling is not necessary for tumor-related fatigue, dissociating this type of cancer sequela from systemic cytokine expression.Significance: These findings challenge the current understanding of fatigue in cancer patients, the most common and debilitating sequela associated with malignancy. Cancer Res; 78(3); 695-705. (c)2017 AACR. PMID- 29217761 TI - Aptamer-Conjugated Extracellular Nanovesicles for Targeted Drug Delivery. AB - Extracellular nanovesicles (ENV) released by many cells contain lipids, proteins, and nucleic acids that contribute to intercellular communication. ENVs have emerged as biomarkers and therapeutic targets but they have also been explored as drug delivery vehicles. However, for the latter application, clinical translation has been limited by low yield and inadequate targeting effects. ENV vectors with desired targeting properties can be produced from parental cells engineered to express membrane-bound targeting ligands, or they can be generated by fusion with targeting liposomes; however, neither approach has met clinical requirements. In this study, we demonstrate that mechanical extrusion of approximately 107 cells grafted with lipidated ligands can generate cancer cell-targeting ENV and can be prepared in approximately 1 hour. This rapid and economic approach could pave the way for clinical implementation in the future.Significance: A new and rapid method for production of drug-targeting nanovesicles has implications for cancer treatment by chimeric antigen receptor T cells and other therapies. Cancer Res; 78(3); 798-808. (c)2017 AACR. PMID- 29217762 TI - SIRT6 Is a Target of Regulation by UBE3A That Contributes to Liver Tumorigenesis in an ANXA2-Dependent Manner. AB - UBE3A is an E3 ubiquitin ligase well known for its role in the proteasomal degradation of p53 in human papillomavirus (HPV)-associated cancers. Here we report that UBE3A ubiquitylates and triggers degradation of the tumor-suppressive sirtuin SIRT6 in hepatocellular carcinoma. UBE3A ubiquitylated the highly conserved Lys160 residue on SIRT6. FOXO1-mediated transcriptional repression of UBE3A was sufficient to stabilize SIRT6 and to epigenetically repress ANXA2, a key mediator of UBE3A oncogenic function. Thus, UBE3A-mediated SIRT6 degradation promoted the proliferative capacity, migration potential, and invasiveness of cells. In mouse models of hepatocellular carcinoma, SIRT6 downregulation and consequent induction of ANXA2 were critical for UBE3A-mediated tumorigenesis. Furthermore, in clinical specimens, increased UBE3A levels correlated with reduced SIRT6 levels and elevated ANXA2 levels in increasing tumor grades. Overall, our findings show how the tumor suppressor SIRT6 is regulated in hepatocellular carcinoma and establish the mechanism underlying UBE3A-mediated tumorigenesis in this disease.Significance: These findings provide mechanistic insights into regulation of the tumor suppressive sirtuin SIRT6 and its implications for the development of hepatocellular carcinoma. Cancer Res; 78(3); 645-58. (c)2017 AACR. PMID- 29217763 TI - Improved Tumor Penetration and Single-Cell Targeting of Antibody-Drug Conjugates Increases Anticancer Efficacy and Host Survival. AB - Current antibody-drug conjugates (ADC) have made advances in engineering the antibody, linker, conjugation site, small-molecule payload, and drug-to-antibody ratio (DAR). However, the relationship between heterogeneous intratumoral distribution and efficacy of ADCs is poorly understood. Here, we compared trastuzumab and ado-trastuzumab emtansine (T-DM1) to study the impact of ADC tumor distribution on efficacy. In a mouse xenograft model insensitive to trastuzumab, coadministration of trastuzumab with a fixed dose of T-DM1 at 3:1 and 8:1 ratios dramatically improved ADC tumor penetration and resulted in twice the improvement in median survival compared with T-DM1 alone. In this setting, the effective DAR was lowered, decreasing the amount of payload delivered to each targeted cell but increasing the number of cells that received payload. This result is counterintuitive because trastuzumab acts as an antagonist in vitro and has no single-agent efficacy in vivo, yet improves the effectiveness of T-DM1 in vivo Novel dual-channel fluorescence ratios quantified single-cell ADC uptake and metabolism and confirmed that the in vivo cellular dose of T-DM1 alone exceeded the minimum required for efficacy in this model. In addition, this technique characterized cellular pharmacokinetics with heterogeneous delivery after 1 day, degradation and payload release by 2 days, and in vitro cell killing and in vivo tumor shrinkage 2 to 3 days later. This work demonstrates that the intratumoral distribution of ADC, independent of payload dose or plasma clearance, plays a major role in ADC efficacy.Significance: This study shows how lowering the drug to-antibody ratio during treatment can improve the intratumoral distribution of a antibody-drug conjugate, with implications for improving the efficacy of this class of cancer drugs. Cancer Res; 78(3); 758-68. (c)2017 AACR. PMID- 29217764 TI - Radiotherapy-Activated Cancer-Associated Fibroblasts Promote Tumor Progression through Paracrine IGF1R Activation. AB - Preoperative radiotherapy (RT) is a mainstay in the management of rectal cancer, a tumor characterized by desmoplastic stroma containing cancer-associated fibroblasts (CAF). Although CAFs are abundantly present, the effects of RT to CAF and its impact on cancer cells are unknown. We evaluated the damage responses of CAF to RT and investigated changes in colorectal cancer cell growth, transcriptome, metabolome, and kinome in response to paracrine signals emerging from irradiated CAF. RT to CAF induced DNA damage, p53 activation, cell-cycle arrest, and secretion of paracrine mediators, including insulin-like growth factor-1 (IGF1). Subsequently, RT-activated CAFs promoted survival of colorectal cancer cells, as well as a metabolic switch favoring glutamine consumption through IGF1 receptor (IGF1R) activation. RT followed by IGF1R neutralization in orthotopic colorectal cancer models reduced the number of mice with organ metastases. Activation of the downstream IGF1R mediator mTOR was significantly higher in matched (intrapatient) samples and in unmatched (interpatient) samples from rectal cancer patients after neoadjuvant chemoradiotherapy. Taken together, our data support the notion that paracrine IGF1/IGF1R signaling initiated by RT activated CAF worsens colorectal cancer progression, establishing a preclinical rationale to target this activation loop to further improve clinical responses and patient survival.Significance: These findings reveal that paracrine IGF1/IGF1R signaling promotes colorectal cancer progression, establishing a preclinical rationale to target this activation loop. Cancer Res; 78(3); 659-70. (c)2017 AACR. PMID- 29217765 TI - Zoonotic potential of Salmonella enterica carried by pet tortoises. AB - The prevalence of Salmonella in chelonians is not known in the UK and it is not clear whether such Salmonella strains would be pathogenic for human beings. Some strains, such as members of the Arizonae subgroup, may be unable to cause anything more than very mild disease. To determine the carriage of Salmonella in pet tortoises, cloacal swabs were taken for culture. Salmonella enterica Group D was isolated from 5 of the 89 samples. All five were from the same household of seven tortoises. Salmonella isolates were shown by PCR to carry the invA and spiC genes associated with pathogenicity islands 1 and 2. Each isolate carried both genes indicating they had the genetic basis for disease and enterocyte invasion in human beings. The study indicates a low rate of asymptomatic carriage among the general population of pet tortoises. However, it does suggest that those Salmonella strains colonising the tortoise can carry Salmonellapathogenicity island (SPI)-1 and SPI-2 conferring the potential to cause disease in human beings and other animals. PMID- 29217766 TI - Ultrasonographic scoring system for superficial digital flexor tendon injuries in horses: intra- and inter-rater variability. AB - Superficial digital flexor tendon (SDFT) tendinopathy is an important musculoskeletal problem in horses. The study objective was to validate an ultrasonographic scoring system for SDFT injuries. Ultrasonographic images from 14 Thoroughbred racehorses with SDFT lesions (seven core; seven diffuse) and two controls were blindly assessed by five clinicians on two occasions. Ultrasonographic parameters evaluated were: type and extent of the injury, location, echogenicity, cross-sectional area and longitudinal fibre pattern of the maximal injury zone (MIZ). Inter-rater variability and intra-rater reliability were assessed using Kendall's coefficient of concordance (KC) and Lin's concordance correlation coefficient (LC), respectively. Type of injury (core vs. diffuse) had perfect inter/intra-rater agreement. Cases with core lesions had very strong inter-rater agreement (KC >=0.74, P<0.001) and intra rater reliability (LC >=0.73) for all parameters apart from echogenicity. Cases with diffuse lesions had strong inter-rater agreement (KC >=0.62) for all parameters, but weak agreement for echogenicity (KC=0.22); intra-rater reliability was excellent for MIZ location and fibre pattern (LC >=0.82), and moderate (LC >=0.58) for cross-sectional area and number of zones affected. This scoring system was reliable and repeatable for all parameters, except for echogenicity. A validated scoring system will facilitate reliable recording of SDFT injuries and inter-study meta-analyses. PMID- 29217767 TI - Hypothetical route of the introduction of Schmallenberg virus into Ireland using two complementary analyses. AB - Ireland lost its official freedom from Schmallenberg virus (SBV) in October 2012. The route of introduction is uncertain, with long-distance displacement of infected Culicoides, biting midges, by suitable wind flows considered to be the most likely source. The authors investigated the potential introduction of SBV into Ireland through a Culicoides incursion event in the summer of 2012. They conducted SBV serology on archived bovine sera to identify the prospective dispersal window, then used atmospheric dispersion modelling during periods around this window to identify environmental conditions the authors considered suitable for atmospheric dispersal of Culicoides from potential infected source locations across Southern England. The authors believe that there was one plausible window over the summer of 2012, on August 10-11, based on suitable meteorological conditions. They conclude that a potential long-range transportation event of Culicoides appears to have occurred successfully only once during the 2012 vector competent season. If these incursion events remain at a low frequency, meteorological modelling has the potential to contribute cost effectively to the alert and response systems for vectorborne diseases in the future. PMID- 29217768 TI - Potential risk posed by the importation of ticks into the UK on animals: records from the Tick Surveillance Scheme. AB - In order to monitor important tick vectors in the UK, Public Health England's Tick Surveillance Scheme (TSS) receives specimens from across the country for identification. In recent years, an increasing number of these specimens have been removed from animals with a recent history of travel outside the UK. This paper presents all data collated by the TSS on ticks entering the country on recently travelled or imported animals since surveillance commenced in 2005. Ten different tick species representing six different genera were identified, entering the UK from 15 different countries. Key themes appear to be emerging from the last 10 years of data, including canine travel from Cyprus and Spain being associated with Rhipicephalus sanguineus importation, and canine travel from France being associated with the importation of multiple tick species and canine illness. In addition, more unusual importation routes have been uncovered, such as the importation of Hyalomma lusitanicum on a dog. Some companion animal owners may not be fully aware of the risks associated with ticks, and may not seek advice from a veterinarian before travel or importing a pet. Promoting awareness of ticks and tickborne disease risk during and after travel or animal importation is needed and veterinarians play an importation role in disseminating this information to their clients. PMID- 29217769 TI - Structural insights into ankyrin repeat-mediated recognition of the kinesin motor protein KIF21A by KANK1, a scaffold protein in focal adhesion. AB - Kidney ankyrin repeat-containing proteins (KANK1/2/3/4) belong to a family of scaffold proteins, playing critical roles in cytoskeleton organization, cell polarity, and migration. Mutations in KANK proteins are implicated in cancers and genetic diseases, such as nephrotic syndrome. KANK proteins can bind various target proteins through different protein regions, including a highly conserved ankyrin repeat domain (ANKRD). However, the molecular basis for target recognition by the ANKRD remains elusive. In this study, we solved a high resolution crystal structure of the ANKRD of KANK1 in complex with a short sequence of the motor protein kinesin family member 21A (KIF21A), revealing that the highly specific target-binding mode of the ANKRD involves combinatorial use of two interfaces. Mutations in either interface disrupted the KANK1-KIF21A interaction. Cellular immunofluorescence localization analysis indicated that binding-deficient mutations block recruitment of KIF21A to focal adhesions by KANK1. In conclusion, our structural study provides mechanistic explanations for the ANKRD-mediated recognition of KIF21A and for many disease-related mutations identified in human KANK proteins. PMID- 29217770 TI - Protein C receptor stimulates multiple signaling pathways in breast cancer cells. AB - The protein C receptor (PROCR) has emerged as a stem cell marker in several normal tissues and has also been implicated in tumor progression. However, the functional role of PROCR and the signaling mechanisms downstream of PROCR remain poorly understood. Here, we dissected the PROCR signaling pathways in breast cancer cells. Combining protein array, knockdown, and overexpression methods, we found that PROCR concomitantly activates multiple pathways. We also noted that PROCR-dependent ERK and PI3k-Akt-mTOR signaling pathways proceed through Src kinase and transactivation of insulin-like growth factor 1 receptor (IGF-1R). These pathway activities led to the accumulation of c-Myc and cyclin D1. On the other hand, PROCR-dependent RhoA-ROCK-p38 signaling relied on coagulation factor II thrombin receptor (F2R). We confirmed these findings in primary cells isolated from triple-negative breast cancer-derived xenografts (PDX) that have high expression of PROCR. To the best our knowledge, this is the first comprehensive study of PROCR signaling in breast cancer cells, and its findings also shed light on the molecular mechanisms of PROCR in stem cells in normal tissue. PMID- 29217771 TI - RAD52 is required for RNA-templated recombination repair in post-mitotic neurons. AB - It has been long assumed that post-mitotic neurons only utilize the error-prone non-homologous end-joining pathway to repair double-strand breaks (DSBs) associated with oxidative damage to DNA, given the inability of non-replicating neuronal DNA to utilize a sister chromatid template in the less error-prone homologous recombination (HR) repair pathway. However, we and others have found recently that active transcription triggers a replication-independent recombinational repair mechanism in G0/G1 phase of the cell cycle. Here we observed that the HR repair protein RAD52 is recruited to sites of DNA DSBs in terminally differentiated, post-mitotic neurons. This recruitment is dependent on the presence of a nascent mRNA generated during active transcription, providing evidence that an RNA-templated HR repair mechanism exists in non-dividing, terminally differentiated neurons. This recruitment of RAD52 in neurons is decreased by transcription inhibition. Importantly, we found that high concentrations of amyloid beta, a toxic protein associated with Alzheimer's disease, inhibits the expression and DNA damage response of RAD52, potentially leading to a defect in the error-free, RNA-templated HR repair mechanism. This study shows a novel RNA-dependent repair mechanism of DSBs in post-mitotic neurons and demonstrates that defects in this pathway may contribute to neuronal genomic instability and consequent neurodegenerative phenotypes such as those seen in Alzheimer's disease. PMID- 29217772 TI - The intracellular immune receptor Rx1 regulates the DNA-binding activity of a Golden2-like transcription factor. AB - Plant nucleotide-binding leucine-rich repeat (NLR) proteins enable the immune system to recognize and respond to pathogen attack. An early consequence of immune activation is transcriptional reprogramming, and some NLRs have been shown to act in the nucleus and interact with transcription factors. The Rx1 NLR protein of potato is further able to bind and distort double-stranded DNA. However, Rx1 host targets that support a role for Rx1 in transcriptional reprogramming at DNA are unknown. Here, we report a functional interaction between Rx1 and NbGlk1, a Golden2-like transcription factor. Rx1 binds to NbGlk1 in vitro and in planta. NbGlk1 binds to known Golden2-like consensus DNA sequences. Rx1 reduces the binding affinity of NbGlk1 for DNA in vitro. NbGlk1 activates cellular responses to potato virus X, whereas Rx1 associates with NbGlk1 and prevents its assembly on DNA in planta unless activated by PVX. This study provides new mechanistic insight into how an NLR can coordinate an immune signaling response at DNA following pathogen perceptions. PMID- 29217773 TI - A potent, selective, and orally bioavailable inhibitor of the protein-tyrosine phosphatase PTP1B improves insulin and leptin signaling in animal models. AB - The protein-tyrosine phosphatase PTP1B is a negative regulator of insulin and leptin signaling and a highly validated therapeutic target for diabetes and obesity. Conventional approaches to drug development have produced potent and specific PTP1B inhibitors, but these inhibitors lack oral bioavailability, which limits their potential for drug development. Here, we report that DPM-1001, an analog of the specific PTP1B inhibitor trodusquemine (MSI-1436), is a potent, specific, and orally bioavailable inhibitor of PTP1B. DPM-1001 also chelates copper, which enhanced its potency as a PTP1B inhibitor. DPM-1001 displayed anti diabetic properties that were associated with enhanced signaling through insulin and leptin receptors in animal models of diet-induced obesity. Therefore, DPM 1001 represents a proof of concept for a new approach to therapeutic intervention in diabetes and obesity. Although the PTPs have been considered undruggable, the findings of this study suggest that allosteric PTP inhibitors may help reinvigorate drug development efforts that focus on this important family of signal-transducing enzymes. PMID- 29217775 TI - Chemotherapy-induced differential cell cycle arrest in B-cell lymphomas affects their sensitivity to Wee1 inhibition. AB - Chemotherapeutic agents, e.g., cytarabine and doxorubicin, cause DNA damage. However, it remains unknown whether such agents differentially regulate cell cycle arrest in distinct types of B-cell lymphomas, and whether this phenotype can be exploited for developing new therapies. We treated various types of B cells, including primary and B lymphoma cells, with cytarabine or doxorubicin, and determined DNA damage responses, cell cycle regulation and sensitivity to a Wee1 inhibitor. We found that cyclin A2/B1 upregulation appears to be an intrinsic programmed response to DNA damage; however, different types of B cells arrest in distinct phases of the cell cycle. The Wee1 inhibitor significantly enhanced the apoptosis of G2 phase-arrested B-cell lymphomas by inducing premature entry into mitosis and mitotic catastrophe, whereas it did not affect G1/S-phase-arrested lymphomas. Cytarabine-induced G1-arrest can be converted to G2-arrest by doxorubicin treatment in certain B-cell lymphomas, which correlates with newly acquired sensitivity to the Wee1 inhibitor. Consequently, the Wee1 inhibitor together with cytarabine or doxorubicin inhibited tumor growth in vitro and in vivo more effectively, providing a potential new therapy for treating B cell lymphomas. We propose that the differential cell cycle arrest can be exploited to enhance the chemosensitivity of B-cell lymphomas. PMID- 29217774 TI - Micro-ribonucleic acid-155 is a direct target of Meis1, but not a driver in acute myeloid leukemia. AB - Micro-ribonucleic acid-155 (miR-155) is one of the first described oncogenic miRNAs. Although multiple direct targets of miR-155 have been identified, it is not clear how it contributes to the pathogenesis of acute myeloid leukemia. We found miR-155 to be a direct target of Meis1 in murine Hoxa9/Meis1 induced acute myeloid leukemia. The additional overexpression of miR-155 accelerated the formation of acute myeloid leukemia in Hoxa9 as well as in Hoxa9/Meis1 cells in vivo However, in the absence or following the removal of miR-155, leukemia onset and progression were unaffected. Although miR-155 accelerated growth and homing in addition to impairing differentiation, our data underscore the pathophysiological relevance of miR-155 as an accelerator rather than a driver of leukemogenesis. This further highlights the complexity of the oncogenic program of Meis1 to compensate for the loss of a potent oncogene such as miR-155. These findings are highly relevant to current and developing approaches for targeting miR-155 in acute myeloid leukemia. PMID- 29217777 TI - High throughput sequencing in acute lymphoblastic leukemia reveals clonal architecture of central nervous system and bone marrow compartments. PMID- 29217776 TI - Melphalan 140 mg/m2 or 200 mg/m2 for autologous transplantation in myeloma: results from the Collaboration to Collect Autologous Transplant Outcomes in Lymphoma and Myeloma (CALM) study. A report by the EBMT Chronic Malignancies Working Party. AB - Melphalan at a dose of 200 mg/m2 is standard conditioning prior to autologous hematopoietic stem cell transplantation for multiple myeloma, but a dose of 140 mg/m2 is often used in clinical practice in patients perceived to be at risk of excess toxicity. To determine whether melphalan 200 mg/m2 and melphalan 140 mg/m2 are equally effective and tolerable in clinically relevant patient subgroups we analyzed 1964 first single autologous transplantation episodes using a series of Cox proportional-hazards models. Overall survival, progression-free survival, cumulative incidence of relapse, non-relapse mortality, hematopoietic recovery and second primary malignancy rates were not significantly different between the melphalan 140 mg/m2 (n=245) and melphalan 200 mg/m2 (n=1719) groups. Multivariable subgroup analysis showed that disease status at transplantation interacted with overall survival, progression-free survival, and cumulative incidence of relapse, with a significant advantage associated with melphalan 200 mg/m2 in patients transplanted in less than partial response (adjusted hazard ratios for melphalan 200 mg/m2versus melphalan 140 mg/m2: 0.5, 0.54, and 0.56). In contrast, transplantation in very good partial or complete response significantly favored melphalan 140 mg/m2 for overall survival (adjusted hazard ratio: 2.02). Age, renal function, prior proteasome inhibitor treatment, gender, or Karnofsky score did not interact with overall/progression-free survival or relapse rate in the melphalan dose groups. There were no significant survival or relapse rate differences between melphalan 200 mg/m2 and melphalan 140 mg/m2 patients with high-risk or standard-risk chromosomal abnormalities. In conclusion, remission status at the time of transplantation may favor the use of melphalan 200 mg/m2 or melphalan 140 mg/m2 for key transplant outcomes (NCT01362972). PMID- 29217778 TI - Constitutional SAMD9L mutations cause familial myelodysplastic syndrome and transient monosomy 7. AB - Familial myelodysplastic syndromes arise from haploinsufficiency of genes involved in hematopoiesis and are primarily associated with early-onset disease. Here we describe a familial syndrome in seven patients from four unrelated pedigrees presenting with myelodysplastic syndrome and loss of chromosome 7/7q. Their median age at diagnosis was 2.1 years (range, 1-42). All patients presented with thrombocytopenia with or without additional cytopenias and a hypocellular marrow without an increase of blasts. Genomic studies identified constitutional mutations (p.H880Q, p.R986H, p.R986C and p.V1512M) in the SAMD9L gene on 7q21, with decreased allele frequency in hematopoiesis. The non-random loss of mutated SAMD9L alleles was attained via monosomy 7, deletion 7q, UPD7q, or acquired truncating SAMD9L variants p.R1188X and p.S1317RfsX21. Incomplete penetrance was noted in 30% (3/10) of mutation carriers. Long-term observation revealed divergent outcomes with either progression to leukemia and/or accumulation of driver mutations (n=2), persistent monosomy 7 (n=4), and transient monosomy 7 followed by spontaneous recovery with SAMD9L-wildtype UPD7q (n=2). Dysmorphic features or neurological symptoms were absent in our patients, pointing to the notion that myelodysplasia with monosomy 7 can be a sole manifestation of SAMD9L disease. Collectively, our results define a new subtype of familial myelodysplastic syndrome and provide an explanation for the phenomenon of transient monosomy 7. Registered at: www.clinicaltrials.gov; #NCT00047268. PMID- 29217779 TI - Prognostic significance of tumor burden assessed by whole-body magnetic resonance imaging in multiple myeloma patients treated with allogeneic stem cell transplantation. AB - Allogeneic stem cell transplantation is a therapeutic option under dispute but nonetheless chosen with increasing frequency for patients suffering from multiple myeloma in Europe. To study possible predictors of survival, 79 patients were investigated using whole-body magnetic resonance imaging to assess the visible tumor burden before and after allogeneic stem cell transplantation. Statistical analysis of clinical and imaging parameters included Cox regression models and distribution of survival time estimates (Kaplan-Meier method). Log rank test was used to determine the prognostic impact of the presence of focal lesions on survival. A higher tumor burden according to the lesion count was associated with a shorter overall survival (univariable/multivariable Cox regression: 1st magnetic resonance imaging P=0.028/P=0.048; 2nd magnetic resonance imaging P=0.008/P=0.024). Focal infiltration pattern itself seemed to be an additional adverse prognostic factor for overall survival (2nd MRI P=0.048), although no definite cut-off could be defined. Kaplan-Meier estimates at 60 months of follow up show a significant difference (Log rank P=0.04) for overall survival rates between patients with focal infiltration (32%) and those without (75%). Since this subgroup of patients may benefit from maintenance therapy, adoptive immunotherapy, or local interventions, whole-body imaging is an appropriate and highly recommendable diagnostic approach for detection of prognostically relevant lesions before and after treatment. PMID- 29217781 TI - Benefits and pitfalls of pegylated interferon-alpha2a therapy in patients with myeloproliferative neoplasm-associated myelofibrosis: a French Intergroup of Myeloproliferative neoplasms (FIM) study. AB - We have previously described the safety and efficacy of pegylated interferon alpha2a therapy in a cohort of 62 patients with myeloproliferative neoplasm associated myelofibrosis followed in centers affiliated to the French Intergroup of Myeloproliferative neoplasms. In this study, we report their long-term outcomes and correlations with mutational patterns of driver and non-driver mutations analyzed by targeted next generation sequencing. The median age at diagnosis was 66 years old, the median follow-up since starting pegylated interferon was 58 months. At the time of analysis, 30 (48.4%) patients were alive including 16 still being treated with pegylated interferon. The median survival of patients with intermediate and high-risk prognostic Lille and dynamic International Prognostic Scoring System scores treated with pegylated interferon was increased in comparison to that of historical cohorts. In addition, overall survival was significantly correlated with the duration of pegylated interferon therapy (70 versus 30 months after 2 years of treatment, P<10-12). JAK2V617F allele burden was decreased by more than 50% in 58.8% of patients and two patients even achieved complete molecular response. Next-generation sequencing analyses performed in 49 patients showed that 28 (57.1%) of them carried non driver mutations. The presence of at least one additional mutation was associated with a reduction of both overall and leukemia-free survival. These findings in a large series of patients with myelofibrosis suggest that pegylated interferon therapy may provide a survival benefit for patients with intermediate- or high risk Lille and dynamic International Prognostic Scoring System scores. It also reduced the JAK2V617F allele burden in most patients. These results further support the use of pegylated interferon in selected patients with myelofibrosis. PMID- 29217780 TI - From transplant to novel cellular therapies in multiple myeloma: European Myeloma Network guidelines and future perspectives. AB - Survival of myeloma patients has greatly improved with the use of autologous stem cell transplantation and novel agents, such as proteasome inhibitors, immunomodulatory drugs and monoclonal antibodies. Compared to bortezomib- and lenalidomide-based regimens alone, the addition of high-dose melphalan followed by autologous transplantation significantly improves progression-free survival, although an overall survival benefit was not observed in all trials. Moreover, follow up of recent trials is still too short to show any difference in survival. In the light of these findings, novel agent-based induction followed by autologous transplantation is considered the standard upfront treatment for eligible patients (level of evidence: 1A). Post-transplant consolidation and maintenance treatment can further improve patient outcome (1A). The availability of several novel agents has led to the development of multiple combination regimens such as salvage treatment options. In this context, the role of salvage autologous transplantation and allotransplant has not been extensively evaluated. In the case of prolonged remission after upfront autologous transplantation, another autologous transplantation at relapse can be considered (2B). Patients who experience early relapse and/or have high-risk features have a poor prognosis and may be considered as candidates for clinical trials that, in young and fit patients, may also include an allograft in combination with novel agents (2B). Ongoing studies are evaluating the role of novel cellular therapies, such as inclusion of antibody-based triplets and quadruplets, and chimeric antigen receptor-T cells. Despite encouraging preliminary results, longer follow up and larger patient numbers are needed before the clinical use of these novel therapies can be widely recommended. PMID- 29217782 TI - Rational management approach to pure red cell aplasia. AB - Pure red cell aplasia is an orphan disease, and as such lacks rationally established standard therapies. Most cases are idiopathic; a subset is antibody mediated. There is overlap between idiopathic cases and those with T-cell large granular lymphocytic leukemia, hypogammaglobulinemia, and low-grade lymphomas. In each of the aforementioned, the pathogenetic mechanisms may involve autoreactive cytotoxic responses. We selected 62 uniformly diagnosed pure red cell aplasia patients and analyzed their pathophysiologic features and responsiveness to rationally applied first-line and salvage therapies in order to propose diagnostic and therapeutic algorithms that may be helpful in guiding the management of prospective patients, 52% of whom were idiopathic, while the others involved large granular lymphocytic leukemia, thymoma, and B-cell dyscrasia. T cell-mediated responses ranged between a continuum from polyclonal to monoclonal (as seen in large granular lymphocytic leukemia). During a median observation period of 40 months, patients received a median of two different therapies to achieve remission. Frequently used therapy included calcineurin-inhibitors with a steroid taper yielding a first-line overall response rate of 76% (53/70). Oral cyclophosphamide showed activity, albeit lower than that produced by cyclosporine. Intravenous immunoglobulins were effective both in parvovirus patients and in hypogammaglobulinemia cases. In salvage settings, alemtuzumab is active, particularly in large granular lymphocytic leukemia-associated cases. Other potentially useful salvage options include rituximab, anti-thymocyte globulin and bortezomib. The workup of acquired pure red cell aplasia should include investigations of common pathological associations. Most effective therapies are directed against T-cell-mediated immunity, and therapeutic choices need to account for associated conditions that may help in choosing alternative salvage agents, such as intravenous immunoglobulin, alemtuzumab and bortezomib. PMID- 29217783 TI - Somatic STAT3 mutations in Felty syndrome: an implication for a common pathogenesis with large granular lymphocyte leukemia. AB - Felty syndrome is a rare disease defined by neutropenia, splenomegaly, and rheumatoid arthritis. Sometimes the differential diagnosis between Felty syndrome and large granular lymphocyte leukemia is problematic. Recently, somatic STAT3 and STAT5B mutations were discovered in 30-40% of patients with large granular lymphocyte leukemia. Herein, we aimed to study whether these mutations can also be detected in Felty syndrome, which would imply the existence of a common pathogenic mechanism between these two disease entities. We collected samples and clinical information from 14 Felty syndrome patients who were monitored at the rheumatology outpatient clinic for Felty syndrome. Somatic STAT3 mutations were discovered in 43% (6/14) of Felty syndrome patients with deep amplicon sequencing targeting all STAT3 exons. Mutations were located in the SH2 domain of STAT3, which is a known mutational hotspot. No STAT5B mutations were found. In blood smears, overrepresentation of large granular lymphocytes was observed, and in the majority of cases the CD8+ T-cell receptor repertoire was skewed when analyzed by flow cytometry. In bone marrow biopsies, an increased amount of phospho-STAT3 positive cells was discovered. Plasma cytokine profiling showed that ten of the 92 assayed cytokines were elevated both in Felty syndrome and large granular lymphocyte leukemia, and three of these cytokines were also increased in patients with uncomplicated rheumatoid arthritis. In conclusion, somatic STAT3 mutations and STAT3 activation are as frequent in Felty syndrome as they are in large granular lymphocyte leukemia. Considering that the symptoms and treatment modalities are also similar, a unified reclassification of these two syndromes is warranted. PMID- 29217784 TI - Outcome and survival of myeloma patients diagnosed 2008-2015. Real-world data on 4904 patients from the Swedish Myeloma Registry. AB - Epidemiology and outcome of myeloma are mainly reported from large university centers and collaborative groups, and do not represent 'real-world' patients. The Swedish Myeloma Registry is a prospective population-based registry documenting characteristics, treatment and outcome in newly diagnosed myeloma, including asymptomatic and localized forms, with the purpose of improving disease management and outcome. This report presents information on patients diagnosed between 2008 and 2015, including data on first-line treatment in patients diagnosed up to 2014, with a follow up until December 2016. We present age adjusted incidence, patients' characteristics at baseline, treatment, response, and survival. Baseline data were available with a 97% coverage in 4904 patients (median age 71 years, males 70 years, females 73 years; 72% were 65 years or older), and at 1-year follow up in 3558 patients with symptomatic disease (92% of patients initially reported). The age-adjusted incidence was 6.8 myeloma cases per 100,000 inhabitants per year. Among initially symptomatic patients (n=3988), 77% had osteolytic lesions or compression fractures, 49% had anemia, 18% impaired kidney function, and 13% hypercalcemia. High-dose therapy with autologous stem cell transplantation was given to 77% of patients aged up to 66 years, and to 22% of patients aged 66-70 years. In the study period, 68% received bortezomib, thalidomide, and/or lenalidomide as part of the first-line treatment, rising from 31% in 2008 to 81% in 2014. In active myeloma, the median relative survival of patients aged 65 years or under was 7.7 years, and 3.4 years in patients aged 66 years and over. Patients diagnosed with myeloma in more recent years were associated with significantly higher rates of complete or very good partial remission (P<0.05), and with a significantly higher survival, with a Hazard Ratio (HR) of 0.84 (95%CI: 0.77-0.92; P<0.05). There was a small, but significant survival benefit in patients treated at university hospitals (HR 0.93; 95%CI: 0.87-0.99; P<0.05). We report here on a near complete 'real-world' population of myeloma patients during an 8-year period; a period in which newer drugs were implemented into standard practice. The overall incidence and median age were both higher than in most previous studies, indicating a more complete coverage of older patients. Myeloma survival in Sweden is comparable to other large registry studies, and responses and survival improved during the study period. PMID- 29217785 TI - Down syndrome-like acute megakaryoblastic leukemia in a patient with Cornelia de Lange syndrome. PMID- 29217786 TI - Transvaginal mesh failure: lessons for regulation of implantable devices. PMID- 29217787 TI - Draft Genome Sequence of Haloparvum sedimenti Strain DYS4, the Type Species of the Genus Haloparvum, Isolated from a Salt Mine. AB - Here is the genome sequence of Haloparvum sedimenti DYS4, the type species of the genus Haloparvum, isolated from a salt mine. The DNA G+C content of this genome was 68.27 mol%. The scaffold N50 was 96,635 bp. The completely sequenced and annotated genome is 3,243,052 bp and contains 3,313 genes. PMID- 29217788 TI - Complete Genome Sequences of Two Human Parainfluenza Virus Type 3 Isolates Collected in Brazil. AB - Here, we present the complete genome sequences of two human parainfluenza virus type 3 (HPIV-3) isolates collected from hospitalized infants suffering from acute respiratory disease. These are the first complete genome sequences of HPIV-3 originating from Brazil. PMID- 29217789 TI - Genome Sequences of 19 Rhodococcus erythropolis Cluster CA Phages. AB - We report the complete genome sequences of 19 cluster CA bacteriophages isolated from environmental samples using Rhodococcus erythropolis as a host. All of the phages are Siphoviridae, have similar genome lengths (46,314 to 46,985 bp) and G+C contents (58.5 to 58.8%), and share nucleotide sequence similarity. PMID- 29217791 TI - Full-Length Genome Sequence of a Chikungunya Virus Isolate from the 2017 Autochthonous Outbreak, Lazio Region, Italy. AB - We report here the genome sequence of a human chikungunya virus isolate from the ongoing autochthonous outbreak in central Italy. The sequence (East-Central-South African lineage, Indian Ocean sublineage), which is similar to recent sequences from Pakistan and India, shows E1 and E2 signatures of strains whose main mosquito vector is Aedes aegypti, although Aedes albopictus is the vector in Italy. PMID- 29217790 TI - Genome Sequences of Mycobacteriophages Amgine, Amohnition, Bella96, Cain, DarthP, Hammy, Krueger, LastHope, Peanam, PhelpsODU, Phrank, SirPhilip, Slimphazie, and Unicorn. AB - We report the genome sequences of 14 cluster K mycobacteriophages isolated using Mycobacterium smegmatis mc2155 as host. Four are closely related to subcluster K1 phages, and 10 are members of subcluster K6. The phage genomes span considerable sequence diversity, including multiple types of integrases and integration sites. PMID- 29217792 TI - Genome Sequence of Listeria monocytogenes Strain F4244, a 4b Serotype. AB - Listeria monocytogenes is an opportunistic invasive foodborne pathogen. Here, we performed whole-genome sequencing of L. monocytogenes strain F4244 (serotype 4b) using Illumina sequencing. The sequence showed 94.5% identity with strain F2365, serotype 4b, and 90.6% with EGD-e, serotype 1/2a. PMID- 29217793 TI - Draft Genome Sequence of Polyaromatic Hydrocarbon-Degrading Bacterium Bacillus subtilis SR1, Which Has Plant Growth-Promoting Attributes. AB - Bacillus subtilis SR1 is a heavy metal-resistant, polyaromatic hydrocarbon degrading bacterium isolated from rhizospheric soil of contaminated sites. It has the ability to promote plant growth and utilize benzo[a]pyrene as a carbon source. This study reports the characteristics of the genome of B. subtilis SR1, which contains one circular chromosome (4,093,698 bp). PMID- 29217794 TI - Draft Genome Sequence of Lactobacillus salivarius SGL 03, a Novel Potential Probiotic Strain. AB - In this work, we report the draft genome sequence of Lactobacillus salivarius SGL 03, a novel potential probiotic strain isolated from healthy infant stools. Antibiotic resistance analysis revealed the presence of a tetracycline resistance gene without elements potentially responsible for interspecific horizontal gene transfer. PMID- 29217795 TI - Draft Genome Sequence of Pseudomonas fragi Strain DBC, Which Has the Ability To Degrade High-Molecular-Weight Polyaromatic Hydrocarbons. AB - Pseudomonas fragi strain DBC was isolated from crude oil-contaminated soil. The genome of P. fragi DBC is comprised of 5,072,304 bp with 54.09% GC content. Genes for degradation of polyaromatic hydrocarbons were found in the genome, in addition to genetic elements for related physiological functions such as chemotaxis, detoxification, and quorum sensing. PMID- 29217796 TI - The Completed PacBio Single-Molecule Real-Time Sequence of Methylosinus trichosporium Strain OB3b Reveals the Presence of a Third Large Plasmid. AB - Presented here is the complete genome sequence of the well-studied Rhizobiales methanotroph Methylosinus trichosporium strain OB3b. The assembly contains 5,183,433 bp, corresponding to a chromosome of 4,508,832 bp and three circular plasmids of 285,280 bp, 209,102 bp, and 180,219 bp. PMID- 29217797 TI - Complete Genome Sequences of Plasmid-Bearing Campylobacter coli and Campylobacter jejuni Strains Isolated from Retail Chicken Liver. AB - Complete genome sequences of Campylobacter coli strains WA333, YF2105, BG2108, MG1116, and BP3183 and Campylobacter jejuni strain IF1100 isolated from retail chicken liver showed the presence of 1,841,551-, 1,687,232-, 1,695,638-, 1,665,146-, 1,695,360-, and 1,744,171-bp circular chromosomes, respectively. These isolates also contained plasmids ranging in size from 5,209 to 55,122 bp. PMID- 29217798 TI - Metagenome Sequence of a Microbial Community from the Gold Mine Tailings in the Kuzbass Area, Russia. AB - The metagenome of a microbial community of the sediments from a highly acidic iron-rich puddle at the tailings dump of the Komsomolskaya gold mine in the Kuzbass area, Siberia, Russia, was sequenced. Binning of contigs yielded a near complete genome of the dominant bacterium, representing a novel deep lineage of Deltaproteobacteria. PMID- 29217799 TI - Draft Genome Sequence of Pseudomonas stutzeri Strain 19, an Isolate Capable of Efficient Degradation of Aromatic Hydrocarbons. AB - Pseudomonas stutzeri strain 19 is a Gram-negative bacterium capable of degrading aromatic hydrocarbons. The draft genome of P. stutzeri 19 is estimated to be 5.1 Mb, containing 4,652 protein-coding genes and a G+C content of 63.3%. Multiple genes responsible for the degradation of aromatics are present in this strain. PMID- 29217800 TI - Dietary Interventions for Rare Metabolic Disorders - Now Available in India! PMID- 29217801 TI - Accessible Pediatric Liver Transplantation in India: A Long way to go. PMID- 29217802 TI - Child Sexual Abuse: Management and Prevention, and Protection of Children from Sexual Offences (POCSO) Act. AB - Child Sexual Abuse is an alarming reality and is being increasingly reportedin India as well as globally. Pediatricians and allied medical professionals are often the first point of contact with abused children and their families. They have a key role in detecting Child Sexual Abuse, providing immediate and long term care and support to the victims and their families. India has adopted the Protection of Children from Sexual Offences Act (POCSO) in 2012. It is a comprehensive law on sexual abuse, which expands the scope and range of forms of sexual offences, makes reporting of abuse mandatory and defines guidelines for the examination of victims. Pediatricians and health care professionals need to acquire necessary expertise for clinical evaluation of child sexual abuse, and its prevention, management and reporting. PMID- 29217803 TI - Growth Hormone Deficiency in Children: From Suspecting to Diagnosing. AB - Isolated Growth hormone deficiency is an important and treatable cause of short stature. However, it is often difficult to diagnose the condition with certainty due to the lack of a single robust diagnostic test. Short children, other than those with the classical phenotype of immature chubby facies, truncal obesity and micropenis in boys, or those with history of cranial lesions with known association with hypopituitarism, should be evaluated for growth hormone deficiency only after excluding the other more common conditions. These children typically have height markedly below that expected for their midparental height with low height velocity and delayed bone age. Growth hormone levels should be checked by provocative testing, after ensuring that the child is euthyroid, and after priming with sex steroids if indicated. Low levels of Insulin-like growth factor 1 and Insulin-like growth factor binding protein 3 and pituitary abnormalities on neuroimaging provide important corroborative evidence to the diagnosis. PMID- 29217804 TI - Current Perspective on Exchange Transfusion. PMID- 29217805 TI - Paint in the Pipe: An Unusual Foreign Body. AB - BACKGROUND: Foreign bodies in the airway can be a diagnostic and therapeutic challenge. CASE CHARACTERISTICS: 30-month-old girl with complaints of noisy and fast breathing following fall over a pile of sand. Sand was suctioned out by direct bronchoscopy. The child improved initially but condition worsened in next four days with marked stridor and wheeze. OBSERVATION: Imaging revealed elongated sharp radiodense opacity in the cervical region, suggestive of foreign body. At repeat bronchoscopy, paint material was removed from the airway, leading to recovery. MESSAGE: Paint material mixed in the sand can adhere to the walls of the airway, and cause persistent symptoms of obstruction. PMID- 29217806 TI - Synovial Arteriovenous Malformation Masquerading as Arthritis. AB - BACKGROUND: Synovial arteriovenous malformation is rare. CASE CHARACTERISTICS: We present three children with recurrent monoarthritis secondary to synovial arteriovenous malformation. OUTCOME: Two children underwent excision of arteriovenous malformation. Another child had diffuse arteriovenous malformation, which was inoperable. MESSAGE: Synovial arteriovenous malformations should be considered in the differential diagnosis of monoarthritis, especially of the knee. PMID- 29217807 TI - Therapeutic Hypothermia for Neonatal Encephalopathy in Indian Neonatal Units: A Survey of National Practices. AB - This cross-sectional web-based survey suggests that cooling therapy is offered as standard of care for babies with neonatal encephalopathy in 10/25 (40%) of public and 37/68 (51%) of private level 2 or 3 neonatal units in India. 25 (53%) used locally improvised cooling methods, and the cooling practices differed from established protocols in high-income countries. PMID- 29217808 TI - Spectrum of Disproportionate Short Stature at a Tertiary-care Center in Northern India. AB - Forty cases with disproportionate short stature (median age 3.1 y; 24 males) from genetic clinic of Lok Nayak Hospital, Delhi were assessed in this study. Achondroplasia was the commonest (n=9) skeletal dysplasia; conclusive diagnosis was not possible in six children. Molecular confirmation of clinicoradiological phenotype was done in 18 of 40 cases. Genetic study of all achondroplasia cases revealed c. 1138 G>A, p. Gly380Arg mutation in hot spot. PMID- 29217809 TI - Bone Mineral Density in Cystic Fibrosis: Few Concerns. PMID- 29217810 TI - Bone Mineral Density in Cystic Fibrosis: Few Concerns: Authors Reply. PMID- 29217811 TI - Creating Health Consciousness Among Adolescent Students - An Innovative Initiative. PMID- 29217813 TI - Human Milk Banking in India: Still in Infancy. PMID- 29217812 TI - Quest for Doctors in a Dodoland. PMID- 29217814 TI - An Uncommon Cause of Stridor in a Young Infant. PMID- 29217815 TI - Effects of Nicotine and Tocotrienol-Rich Fraction Supplementation on Cytoskeletal Structures of Murine Pre-Implantation Embryos. AB - BACKGROUND Cytoskeletal structures, in particular actin and tubulin, provide a fundamental framework in all cells, including embryos. The objective of this study was to evaluate the effects of nicotine, which is a source of oxidative stress, and subsequent supplementation with Tocotrienol-rich fraction (TRF) on actin and tubulin of 2- and 8-cell murine embryos. MATERIAL AND METHODS Thirty female Balb/C mice were divided into 4 groups: Group 1 received: subcutaneous (sc) injection of 0.9% NaCl; Group 2 received sc injection of 3.0 nicotine mg/kg bw/day; Group 3 received 3.0 sc injection of nicotine mg/kg bw/day +60 mg/kg bw/day TRF; and Group 4 received 60 sc injection of TRF mg/kg bw/day for 7 consecutive days. The animals were superovulated with 5 IU PMSG followed by 5 IU hCG 48 h later. Animals were cohabited with fertile males overnight and euthanized through cervical dislocation at 24 h post coitum. Embryos at the 2- and 8-cell stages were harvested, fixed, and stained to visualize actin and tubulin distributions by using CLSM. RESULTS Results showed that at 2-cell stage, actin intensities were significantly reduced in the nicotine group compared to that of the control group (p<0.001). In Group 3, the intensity of actin significantly increased compared to that of the nicotine group (p<0.001). At 8 cell stage, actin intensity of the nicotine group was significantly lower than that of the control group (p<0.001). The intensities of actin in Group 3 were increased compared to that of nicotine treatment alone (p<0.001). The same trend was seen in tubulin at 2- and 8-cell stages. Interestingly, both actin and tubulin structures in the TRF-treated groups were enhanced compared to the control. CONCLUSIONS This study suggests that TRF prevents the deleterious effects of nicotine on the cytoskeletal structures of 2- and 8-cell stages of pre implantation mice embryos in vitro. PMID- 29217816 TI - Wunderlich's Syndrome, or Spontaneous Retroperitoneal Hemorrhage, in a Patient with Tuberous Sclerosis and Bilateral Renal Angiomyolipoma. AB - BACKGROUND Wunderlich's syndrome, or spontaneous non-traumatic retroperitoneal hemorrhage, can be a life-threatening event. Renal angiomyolipoma is a rare benign tumor that can occur sporadically, or in association with tuberous sclerosis. A case of spontaneous retroperitoneal hemorrhage in a patient with tuberous sclerosis and bilateral renal angiomyolipoma is presented. CASE REPORT A 33-year-old female Caucasian patient, with a known medical history of tuberous sclerosis, was admitted to hospital as an emergency, with right-sided abdominal pain. Abdominal computed tomography (CT) imaging showed bilateral renal tumors, consistent with bilateral renal angiomyolipoma. The larger tumor, involving the enlarged right kidney (24.0 cm in length), had a diameter of 21.0 cm and was associated with hemoperitoneum and retroperitoneal hemorrhage, and contrast 'blush' on CT confirmed arterial bleeding. An initial urgent exploratory laparotomy with renal packing was initially performed, but right nephrectomy was required for hemorrhage control. The patient was discharged from hospital on the 23rd postoperative day, without further complications. CONCLUSIONS This report describes a case of Wunderlich's Syndrome, or spontaneous retroperitoneal hemorrhage, in a patient with tuberous sclerosis and bilateral renal angiomyolipoma, presenting as an emergency. An early diagnosis and timely treatment are important in cases of retroperitoneal hemorrhage to prevent life threatening complications. PMID- 29217817 TI - Acetazolamide Suppresses Multi-Drug Resistance-Related Protein 1 and P Glycoprotein Expression by Inhibiting Aquaporins Expression in a Mesial Temporal Epilepsy Rat Model. AB - BACKGROUND Mesial temporal epilepsy (MTLE) is the most common type of focal epilepsy in adults, and is often drug-resistant. This study investigated the effects of aquaporins (AQP) inhibitor on multi-drug-resistant protein expression in an MTLE rat model. MATERIAL AND METHODS The MTLE rat model was established by injecting pilocarpine into rats. The MTLE rats were divided into an MTLE-6 h group, an MTLE-12 h group, and an MTLE-24 h group, together with a normal saline group (NS), to examine the AQP4 expression by using Western blot assay and immunohistochemistry assay. The other 18 MTLE model rats were used to observe the effects of the AQP4 inhibitor, acetazolamide, on the multi-drug-resistant protein 1 (MRP1) and P-glycoprotein (Pgp) by using Western blot and immunohistochemistry assays, respectively. RESULTS AQP4 expression was enhanced in hippocampal tissues of MTLE model rats compared to NS rats (P<0.05). More positively stained AQP4 was discovered in hippocampal tissues of MTLE model rats. AQP4 inhibitor significantly decreased multi-drug-resistant protein MRP1 and Pgp expression in the AQP4 inhibitor Interfere group and the AQP4 inhibitor Therapy group compared to the TMLE model group (P<0.05). CONCLUSIONS The present findings confirm that the AQP4 inhibitor, acetazolamide, effectively inhibits the multi-drug-resistant protein, MRP1, and Pgp, in the MTLE rat model. PMID- 29217818 TI - Proteomic Analysis of Perfusate from Machine Cold Perfusion of Transplant Kidneys: Insights Into Protection from Injury. AB - BACKGROUND Machine cold perfusion is beneficial to the preservation of kidneys for transplantation. At the end of preservation, the perfusion solution contains many proteins. Using a proteomics approach, we searched for useful biomarkers and potential therapeutic targets in the perfusate. Our program is unique in that all transplant kidneys (even living donor kidneys, LKD) are placed on machine cold perfusion prior to transplantation. MATERIAL AND METHODS Perfusates from donation after neurological and circulatory determination of death (DNDD and DCDD respectively) and LKD were collected (n=41) and analyzed for LDH, neutrophil gelatinase-associated lipocalin (NGAL), and matrix metalloproteinase-2 (MMP-2) as markers of injury. Perfusate from each kidney was subjected to 2-dimensional gel electrophoresis, then analyzed using software to identify those spots which are significantly different between the 3 groups. Mass spectrometry was used to identify the proteins and their identity was confirmed with Western blot. RESULTS The highest levels of MMP-2, LDH, and NGAL were seen for the DCDD kidneys, followed by the DNDD kidneys and then LDK. Peroxiredoxin-2, NGAL, and alpha-1 antitrypsin were identified as significantly different between the different types of donor kidneys, and their role and possible therapeutic strategies are discussed. Collagen fragments, albumin, and immunoglobulin were also identified as possible byproducts of the injury and may be useful is assessing the degree of injury. CONCLUSIONS Comparison of the perfusates from the different types of kidneys has allowed us to identify proteins that will be useful in future research into reducing injury in transplant kidneys. PMID- 29217819 TI - Association between serum neuron-specific enolase, age, overweight, and structural MRI patterns in 901 subjects. AB - : Serum neuron-specific enolase (sNSE) is considered a marker for neuronal damage, related to gray matter structures. Previous studies indicated its potential as marker for structural and functional damage in conditions with adverse effects to the brain like obesity and dementia. In the present study, we investigated the putative association between sNSE levels, body mass index (BMI), total gray matter volume (GMV), and magnetic resonance imaging-based indices of aging as well as Alzheimer's disease (AD)-like patterns. SUBJECTS/METHODS: sNSE was determined in 901 subjects (499 women, 22-81 years, BMI 18-48 kg/m2), participating in a population-based study (SHIP-TREND). We report age-specific patterns of sNSE levels between males and females. Females showed augmenting, males decreasing sNSE levels associated with age (males: p = 0.1052, females: p = 0.0363). sNSE levels and BMI were non-linearly associated, showing a parabolic association and decreasing sNSE levels at BMI values >25 (p = 0.0056). In contrast to our hypotheses, sNSE levels were not associated with total GMV, aging, or AD-like patterns. Pathomechanisms discussed are: sex-specific hormonal differences, neuronal damage/differentiation, or impaired cerebral glucose metabolism. We assume a sex-dependence of age-related effects to the brain. Further, we propose in accordance to previous studies an actual neuronal damage in the early stages of obesity. However, with progression of overweight, we assume more profound effects of excess body fat to the brain. PMID- 29217820 TI - Longitudinal exome-wide association study to identify genetic susceptibility loci for hypertension in a Japanese population. AB - Genome-wide association studies have identified various genetic variants associated with complex disorders. However, these studies have commonly been conducted in a cross-sectional manner. Therefore, we performed a longitudinal exome-wide association study (EWAS) in a Japanese cohort. We aimed to identify genetic variants that confer susceptibility to hypertension using ~244 000 single nucleotide variants (SNVs) and physiological data from 6026 Japanese individuals who underwent annual health check-ups for several years. After quality control, the association of hypertension with SNVs was tested using a generalized estimating equation model. Finally, our longitudinal EWAS detected seven hypertension-related SNVs that passed strict criteria. Among these variants, six SNVs were densely located at 12q24.1, and an East Asian-specific motif (haplotype) 'CAAAA' comprising five derived alleles was identified. Statistical analyses showed that the prevalence of hypertension in individuals with the East Asian-specific haplotype was significantly lower than that in individuals with the common haplotype 'TGGGT'. Furthermore, individuals with the East Asian haplotype may be less susceptible to the adverse effects of smoking on hypertension. The longitudinal EWAS for the recessive model showed that a novel SNV, rs11917356 of COL6A5, was significantly associated with systolic blood pressure, and the derived allele at the SNV may have spread throughout East Asia in recent evolutionary time. PMID- 29217821 TI - IL-11 promotes the treatment efficacy of hematopoietic stem cell transplant therapy in aplastic anemia model mice through a NF-kappaB/microRNA 204/thrombopoietin regulatory axis. AB - Hematopoietic stem cell (HSC) transplantation could be of therapeutic value for aplastic anemia (AA) patients, and immunosuppressants may facilitate the efficiency of the procedure. As anti-inflammatory cytokine interleukin-11 (IL-11) has a thrombopoietic effect, its use in cases of chronic bone marrow failure, such as AA, has been proposed to induce HSC function. However, the putative mechanisms that may support this process remain poorly defined. We found that decreased miR-204-5p levels were coincident with increased proliferation in mouse HSCs following exposure to IL-11 in vitro. Through inhibiting NF-kB activity, miR 204-5p repression was demonstrated to be a downstream effect of IL-11 signaling. miR-204-5p was shown to directly target thrombopoietin (TPO) via sequence dependent 3'-UTR repression, indicating that this microRNA-dependent pathway could serve an essential role in supporting IL-11 functions in HSCs. Increased TPO expression in HSCs following IL-11 exposure could be mimicked or blocked by inhibiting or overexpressing miR-204-5p, respectively. Consistent with these in vitro findings, IL-11 promoted HSC engraftment in a mouse model of AA, an effect that was attenuated in cells overexpressing miR-204-5p. The reduction in miR-204 5p levels is an integral component of IL-11 signaling that may play an essential role in treating AA. PMID- 29217822 TI - Hepatocyte toll-like receptor 4 mediates lipopolysaccharide-induced hepcidin expression. AB - Hepcidin expression is induced by inflammatory molecules such as lipopolysaccharide (LPS) via a macrophage-mediated pathway. Although hepatocytes directly respond to LPS, the molecular mechanism underlying toll-like receptor (TLR)-dependent hepcidin expression by hepatocytes is mostly unknown. Here we show that LPS can directly induce the mRNA expression and secretion of hepcidin by hepatocytes via TLR4 activation. Using hepatocytes deficient in TLR4, myeloid differentiation factor 88 (MyD88) and TIR domain-containing adaptor inducing interferon-beta (TRIF), we demonstrated that LPS-induced hepcidin expression by hepatocytes is regulated by its specific receptor, TLR4, via a MyD88-dependent signaling pathway. Hepcidin promoter activity was significantly increased by MyD88-dependent downstream signaling molecules (interleukin-1 receptor-associated kinase (IRAK) and tumor necrosis factor receptor-associated factor 6 (TRAF6), which activate c-Jun N-terminal kinase (JNK) and activator protein-1 (AP-1). We then confirmed that LPS stimulation induced the phosphorylation of JNK and c-Jun, and observed strong occupancy of the hepcidin promoter by c-Jun. Promoter mutation analysis also identified the AP-1-binding site on the hepcidin promoter. Finally, bone marrow transplantation between wild-type and TLR4 knockout mice revealed that hepatic TLR4-dependent hepcidin expression was comparable to macrophage TLR4-dependent hepcidin expression induced by LPS. Taken together, these results suggest that TLR4 expressed by hepatocytes regulates hepcidin expression via the IRAK-TRAF6-JNK-AP-1 axis. PMID- 29217823 TI - Lysophosphatidic acid protects against acetaminophen-induced acute liver injury. AB - We investigated the effect of lysophosphatidic acid (LPA) in experimental acetaminophen (APAP)-induced acute liver injury. LPA administration significantly reduced APAP-challenged acute liver injury, showing attenuated liver damage, liver cell death and aspartate aminotransferase and alanine aminotransferase levels. APAP overdose-induced mortality was also significantly decreased by LPA administration. Regarding the mechanism involved in LPA-induced protection against acute liver injury, LPA administration significantly increased the glutathione level, which was markedly decreased in APAP challenge-induced acute liver injury. LPA administration also strongly blocked the APAP challenge elicited phosphorylation of JNK, ERK and GSK3beta, which are involved in the pathogenesis of acute liver injury. Furthermore, LPA administration decreased the production of TNF-alpha and IL-1beta in an experimental drug-induced liver injury animal model. Mouse primary hepatocytes express LPA1,3-6, and injection of the LPA receptor antagonist KI16425 (an LPA1,3-selective inhibitor) or H2L 5765834 (an LPA1,3,5-selective inhibitor) did not reverse the LPA-induced protective effects against acute liver injury. The therapeutic administration of LPA also blocked APAP-induced liver damage, leading to an increased survival rate. Collectively, these results indicate that the well-known bioactive lipid LPA can block the pathogenesis of APAP-induced acute liver injury by increasing the glutathione level but decreasing inflammatory cytokines in an LPA1,3,5 independent manner. Our results suggest that LPA might be an important therapeutic agent for drug-induced liver injury. PMID- 29217825 TI - Prion disease: Skin is a source of infectious prions in sCJD. PMID- 29217826 TI - Parkinson's disease - the story of an eponym. AB - One of the most prevalent neurodegenerative diseases worldwide is still referred to as 'Parkinson's disease'. The condition is named after James Parkinson who, in 1817, described the shaking palsy (paralysis agitans). In the bicentennial year of this publication, we trace when and why the shaking palsy became Parkinson's disease. The term was coined by William Rutherford Sanders of Edinburgh in 1865 and later entered general usage through the influence of Jean-Martin Charcot and the school that he nurtured at the Salpetriere Hospital in Paris. Despite a move towards more mechanism-based nosology for many medical conditions in recent years, the Parkinson's disease eponym remains in place, celebrating the life and work of this doctor, palaeontologist and political activist. PMID- 29217824 TI - Soluble Tau has devastating effects on the structural plasticity of hippocampal granule neurons. AB - Tau is a neuronal microtubule-associated protein with countless physiological functions. Although the detrimental effects of insoluble aggregated Tau have been widely studied, recent evidence supports the notion that soluble Tau (composed mostly of monomers and dimers) is also toxic for neurons. Here we evaluated the long-term impact of a single stereotaxic injection of human soluble Tau on hippocampal granule neurons in mice. At the ultrastructural level, soluble Tau reduced the number of afferent synapses and caused a dramatic depletion of synaptic vesicles both in afferent and efferent synapses. Furthermore, the use of an RFP-expressing retrovirus revealed that soluble Tau altered the morphology of newborn granule neurons and reduced their afferent (dendritic spines) and efferent (mossy fiber terminals) connectivity. Finally, soluble Tau caused specific impairment of behavioral pattern separation capacity. Our results thus demonstrate for the first time that soluble Tau causes long-term detrimental effects on the morphology and connectivity of newborn granule neurons and that these effects correlate with impaired behavioral pattern separation skills. These data might be relevant for the field of neurodegenerative disorders, since they contribute to reinforcing the pathological roles played by distinct Tau species in vivo. PMID- 29217828 TI - Frequently used bioinformatics tools overestimate the damaging effect of allelic variants. AB - We selected two sets of naturally occurring human missense allelic variants within innate immune genes. The first set represented eleven non-synonymous variants in six different genes involved in interferon (IFN) induction, present in a cohort of patients suffering from herpes simplex encephalitis (HSE) and the second set represented sixteen allelic variants of the IFNLR1 gene. We recreated the variants in vitro and tested their effect on protein function in a HEK293T cell based assay. We then used an array of 14 available bioinformatics tools to predict the effect of these variants upon protein function. To our surprise two of the most commonly used tools, CADD and SIFT, produced a high rate of false positives, whereas SNPs&GO exhibited the lowest rate of false positives in our test. As the problem in our test in general was false positive variants, inclusion of mutation significance cutoff (MSC) did not improve accuracy. PMID- 29217827 TI - Genome-Wide Association Study of Male Sexual Orientation. AB - Family and twin studies suggest that genes play a role in male sexual orientation. We conducted a genome-wide association study (GWAS) of male sexual orientation on a primarily European ancestry sample of 1,077 homosexual men and 1,231 heterosexual men using Affymetrix single nucleotide polymorphism (SNP) arrays. We identified several SNPs with p < 10-5, including regions of multiple supporting SNPs on chromosomes 13 (minimum p = 7.5 * 10-7) and 14 (p = 4.7 * 10 7). The genes nearest to these peaks have functions plausibly relevant to the development of sexual orientation. On chromosome 13, SLITRK6 is a neurodevelopmental gene mostly expressed in the diencephalon, which contains a region previously reported as differing in size in men by sexual orientation. On chromosome 14, TSHR genetic variants in intron 1 could conceivably help explain past findings relating familial atypical thyroid function and male homosexuality. Furthermore, skewed X chromosome inactivation has been found in the thyroid condition, Graves' disease, as well as in mothers of homosexual men. On pericentromeric chromosome 8 within our previously reported linkage peak, we found support (p = 4.1 * 10-3) for a SNP association previously reported (rs77013977, p = 7.1 * 10-8), with the combined analysis yielding p = 6.7 * 10-9, i.e., a genome-wide significant association. PMID- 29217829 TI - Genome-wide genotyping uncovers genetic profiles and history of the Russian cattle breeds. AB - One of the most economically important areas within the Russian agricultural sector is dairy and beef cattle farming contributing about $11 billion to the Russian economy annually. Trade connections, selection and breeding have resulted in the establishment of a number of breeds that are presumably adapted to local climatic conditions. Little however is known about the ancestry and history of Russian native cattle. To address this question, we genotyped 274 individuals from 18 breeds bred in Russia and compared them to 135 additional breeds from around the world that had been genotyped previously. Our results suggest a shared ancestry between most of the Russian cattle and European taurine breeds, apart from a few breeds that shared ancestry with the Asian taurines. The Yakut cattle, belonging to the latter group, was found to be the most diverged breed in the whole combined dataset according to structure results. Haplotype sharing further suggests that the Russian cattle can be divided into four major clusters reflecting ancestral relations with other breeds. Herein, we therefore shed light on to the history of Russian cattle and identified closely related breeds to those from Russia. Our results will facilitate future research on detecting signatures of selection in cattle genomes and eventually inform future genetics assisted livestock breeding programs in Russia and in other countries. PMID- 29217830 TI - Patient-reported quality of life progression in men with prostate cancer following primary cryotherapy, cyberknife, or active holistic surveillance. AB - BACKGROUND: Technological advancements have led to the success of minimally invasive treatment modalities for prostate cancer such as CyberKnife and Cryotherapy. Here, we investigate patient-reported urinary function, bowel habits, and sexual function in patients following CyberKnife (CK) or Cryotherapy treatment, and compare them with active holistic surveillance (AHS) patients. METHODS: An IRB-approved institutional database was retrospectively reviewed for patients who underwent CK, Cryotherapy, or AHS. Quality of life (QoL) survey responses were collected every three months and the mean function scores were analyzed in yearly intervals over the 4 years post-treatment. RESULTS: 279 patients (767 survey sets) were included in the study. There was no difference among groups in urinary function scores. The CyberKnife group had significantly lower bowel habit scores in the early years following treatment (year 2 mean difference: -5.4, P < 0.01) but returned to AHS level scores by year 4. Cryotherapy patients exhibited initially lower, but not statistically significant, bowel function scores, which then improved and approached those of AHS. Both CyberKnife (year 1 mean difference: -26.7, P < 0.001) and Cryotherapy groups (-35.4, P < 0.001) had early lower sexual function scores relative to AHS, but then gradually improved and were not significantly different from AHS by the third year post-treatment. A history of hormonal therapy was associated with a lower sexual function scores relative to those patients who did not receive hormones in both CyberKnife (-18.45, P < 0.01) and Cryotherapy patients (-14.6, P < 0.05). CONCLUSIONS: After initial lower bowel habits and sexual function scores, CyberKnife or Cryotherapy-treated patients had no significant difference in QoL relative to AHS patients. These results highlight the benefit of CyberKnife and Cryotherapy in the management of organ-confined prostate cancer. PMID- 29217831 TI - The public health impact of a new simple practical technique for collection and transfer of toxic jellyfish specimens and for nematocyst identification. AB - Our team aimed to create a new, simple, and inexpensive technique for collecting and transferring of toxic jellyfish specimens and for nematocysts identification. We collected tentacles of Chironex spp., Morbakka spp., and Physalia spp., and transferred them from the beaches by standard and by 'vacuum sticky tape' (VST) techniques. For the VST technique, our team placed the sticky tape on a tentacle and then folded it over to seal the tentacle in the equivalent of a vacuum. We kept the VST in room temperature. For nematocyst identification, we placed the VST on a glass microscope slide and took photographs down the microscope's eye piece using a mobile phone camera. The image quality was as good as when produced by standard techniques. Different classes of toxic jellyfish could be identified. Thus, VST is a potential public health breakthrough because it is practical, durable, inexpensive, allows good discrimination. It enables early warning of danger to health and rapid response via social network. PMID- 29217832 TI - Inter and intra-hemispheric structural imaging markers predict depression relapse after electroconvulsive therapy: a multisite study. AB - Relapse of depression following treatment is high. Biomarkers predictive of an individual's relapse risk could provide earlier opportunities for prevention. Since electroconvulsive therapy (ECT) elicits robust and rapidly acting antidepressant effects, but has a >50% relapse rate, ECT presents a valuable model for determining predictors of relapse-risk. Although previous studies have associated ECT-induced changes in brain morphometry with clinical response, longer-term outcomes have not been addressed. Using structural imaging data from 42 ECT-responsive patients obtained prior to and directly following an ECT treatment index series at two independent sites (UCLA: n = 17, age = 45.41+/ 12.34 years; UNM: n = 25; age = 65.00+/-8.44), here we test relapse prediction within 6-months post-ECT. Random forests were used to predict subsequent relapse using singular and ratios of intra and inter-hemispheric structural imaging measures and clinical variables from pre-, post-, and pre-to-post ECT. Relapse risk was determined as a function of feature variation. Relapse was well predicted both within site and when cohorts were pooled where top-performing models yielded balanced accuracies of 71-78%. Top predictors included cingulate isthmus asymmetry, pallidal asymmetry, the ratio of the paracentral to precentral cortical thickness and the ratio of lateral occipital to pericalcarine cortical thickness. Pooling cohorts and predicting relapse from post-treatment measures provided the best classification performances. However, classifiers trained on each age-disparate cohort were less informative for prediction in the held-out cohort. Post-treatment structural neuroimaging measures and the ratios of connected regions commonly implicated in depression pathophysiology are informative of relapse risk. Structural imaging measures may have utility for devising more personalized preventative medicine approaches. PMID- 29217833 TI - CALR mutational status identifies different disease subtypes of essential thrombocythemia showing distinct expression profiles. AB - Polycythemia vera (PV) and essential thrombocythemia (ET) are Philadelphia negative myeloproliferative neoplasms (MPNs) characterized by erythrocytosis and thrombocytosis, respectively. Approximately 95% of PV and 50-70% of ET patients harbor the V617F mutation in the exon 14 of JAK2 gene, while about 20-30% of ET patients carry CALRins5 or CALRdel52 mutations. These ET CALR-mutated subjects show higher platelet count and lower thrombotic risk compared to JAK2-mutated patients. Here, we showed that CALR-mutated and JAK2V617F-positive CD34+ cells display different gene and miRNA expression profiles. Indeed, we highlighted several pathways differentially activated between JAK2V617F- and CALR-mutated progenitors, i.e., mTOR, MAPK/PI3K, and MYC pathways. Furthermore, we unveiled that the expression of several genes involved in DNA repair, chromatin remodeling, splicing, and chromatid cohesion are decreased in CALR-mutated cells. According to the low risk of thrombosis in CALR-mutated patients, we also found the downregulation of several genes involved in thrombin signaling and platelet activation. As a whole, these data support the model that CALR-mutated ET could be considered as a distinct disease entity from JAK2V617F-positive MPNs and may provide the molecular basis supporting the different clinical features of these patients. PMID- 29217835 TI - Bayesian prediction intervals for assessing P-value variability in prospective replication studies. AB - Increased availability of data and accessibility of computational tools in recent years have created an unprecedented upsurge of scientific studies driven by statistical analysis. Limitations inherent to statistics impose constraints on the reliability of conclusions drawn from data, so misuse of statistical methods is a growing concern. Hypothesis and significance testing, and the accompanying P values are being scrutinized as representing the most widely applied and abused practices. One line of critique is that P-values are inherently unfit to fulfill their ostensible role as measures of credibility for scientific hypotheses. It has also been suggested that while P-values may have their role as summary measures of effect, researchers underappreciate the degree of randomness in the P value. High variability of P-values would suggest that having obtained a small P value in one study, one is, ne vertheless, still likely to obtain a much larger P value in a similarly powered replication study. Thus, "replicability of P-value" is in itself questionable. To characterize P-value variability, one can use prediction intervals whose endpoints reflect the likely spread of P-values that could have been obtained by a replication study. Unfortunately, the intervals currently in use, the frequentist P-intervals, are based on unrealistic implicit assumptions. Namely, P-intervals are constructed with the assumptions that imply substantial chances of encountering large values of effect size in an observational study, which leads to bias. The long-run frequentist probability provided by P-intervals is similar in interpretation to that of the classical confidence intervals, but the endpoints of any particular interval lack interpretation as probabilistic bounds for the possible spread of future P-values that may have been obtained in replication studies. Along with classical frequentist intervals, there exists a Bayesian viewpoint toward interval construction in which the endpoints of an interval have a meaningful probabilistic interpretation. We propose Bayesian intervals for prediction of P value variability in prospective replication studies. Contingent upon approximate prior knowledge of the effect size distribution, our proposed Bayesian intervals have endpoints that are directly interpretable as probabilistic bounds for replication P-values, and they are resistant to selection bias. We showcase our approach by its application to P-values reported for five psychiatric disorders by the Psychiatric Genomics Consortium group. PMID- 29217834 TI - Gender-specific alteration of energy balance and circadian locomotor activity in the Crtc1 knockout mouse model of depression. AB - Obesity and depression are major public health concerns, and there is increasing evidence that they share etiological mechanisms. CREB-regulated transcription coactivator 1 (CRTC1) participates in neurobiological pathways involved in both mood and energy balance regulation. Crtc1 -/- mice rapidly develop a depressive like and obese phenotype in early adulthood, and are therefore a relevant animal model to explore possible common mechanisms underlying mood disorders and obesity. Here, the obese phenotype of male and female Crtc1 -/- mice was further characterized by investigating CRTC1's role in the homeostatic and hedonic regulation of food intake, as well as its influence on daily locomotor activity. Crtc1 -/- mice showed a strong gender difference in the homeostatic regulation of energy balance. Mutant males were hyperphagic and rapidly developed obesity on normal chow diet, whereas Crtc1 -/- females exhibited mild late-onset obesity without hyperphagia. Overeating of mutant males was accompanied by alterations in the expression of several orexigenic and anorexigenic hypothalamic genes, thus confirming a key role of CRTC1 in the central regulation of food intake. No alteration in preference and conditioned response for saccharine was observed in Crtc1 -/- mice, suggesting that mutant males' hyperphagia was not due to an altered hedonic regulation of food intake. Intriguingly, mutant males exhibited a hyperphagic behavior only during the resting (diurnal) phase of the light cycle. This abnormal feeding behavior was associated with a higher diurnal locomotor activity indicating that the lack of CRTC1 may affect circadian rhythmicity. Collectively, these findings highlight the male-specific involvement of CRTC1 in the central control of energy balance and circadian locomotor activity. PMID- 29217836 TI - Drug development for neurodevelopmental disorders: lessons learned from fragile X syndrome. AB - Neurodevelopmental disorders such as fragile X syndrome (FXS) result in lifelong cognitive and behavioural deficits and represent a major public health burden. FXS is the most frequent monogenic form of intellectual disability and autism, and the underlying pathophysiology linked to its causal gene, FMR1, has been the focus of intense research. Key alterations in synaptic function thought to underlie this neurodevelopmental disorder have been characterized and rescued in animal models of FXS using genetic and pharmacological approaches. These robust preclinical findings have led to the implementation of the most comprehensive drug development programme undertaken thus far for a genetically defined neurodevelopmental disorder, including phase IIb trials of metabotropic glutamate receptor 5 (mGluR5) antagonists and a phase III trial of a GABAB receptor agonist. However, none of the trials has been able to unambiguously demonstrate efficacy, and they have also highlighted the extent of the knowledge gaps in drug development for FXS and other neurodevelopmental disorders. In this Review, we examine potential issues in the previous studies and future directions for preclinical and clinical trials. FXS is at the forefront of efforts to develop drugs for neurodevelopmental disorders, and lessons learned in the process will also be important for such disorders. PMID- 29217837 TI - Drug development in the era of precision medicine. AB - For the past three decades, the use of genomics to inform drug discovery and development pipelines has generated both excitement and scepticism. Although earlier efforts successfully identified some new drug targets, the overall clinical efficacy of developed drugs has remained unimpressive, owing in large part to the heterogeneous causes of disease. Recent technological and analytical advances in genomics, however, have now made it possible to rapidly identify and interpret the genetic variation underlying a single patient's disease, thereby providing a window into patient-specific mechanisms that cause or contribute to disease, which could ultimately enable the 'precise' targeting of these mechanisms. Here, we first examine and highlight the successes and limitations of the earlier phases of genomics in drug discovery and development. We then review the current major efforts in precision medicine and discuss the potential broader utility of mechanistically guided treatments going forward. PMID- 29217839 TI - Tumour microenvironment: Microbes matter. PMID- 29217841 TI - The great escape. PMID- 29217838 TI - An evolutionary perspective on field cancerization. AB - Tumorigenesis begins long before the growth of a clinically detectable lesion and, indeed, even before any of the usual morphological correlates of pre malignancy are recognizable. Field cancerization, which is the replacement of the normal cell population by a cancer-primed cell population that may show no morphological change, is now recognized to underlie the development of many types of cancer, including the common carcinomas of the lung, colon, skin, prostate and bladder. Field cancerization is the consequence of the evolution of somatic cells in the body that results in cells that carry some but not all phenotypes required for malignancy. Here, we review the evidence of field cancerization across organs and examine the biological mechanisms that drive the evolutionary process that results in field creation. We discuss the clinical implications, principally, how measurements of the cancerized field could improve cancer risk prediction in patients with pre-malignant disease. PMID- 29217842 TI - Microbiome: Precision engineering of gut metabolites. PMID- 29217843 TI - Host response: Suppressing gut feelings. PMID- 29217840 TI - The role of anxious distress in immune dysregulation in patients with major depressive disorder. AB - Although depression with anxious distress appears to be a clinically relevant subtype of major depressive disorder (MDD), whether it involves specific pathophysiology remains unclear. Inflammation has been implicated, but not comprehensively studied. We examined within a large MDD sample whether anxious distress and related anxiety features are associated with differential basal inflammation and innate cytokine production capacity. Data are from 1078 MDD patients from the Netherlands Study of Depression and Anxiety. In addition to the DSM-5 anxious distress specifier, we studied various dimensional anxiety scales (e.g. Inventory of Depressive Symptomatology anxiety arousal subscale [IDS-AA], Beck Anxiety Inventory [BAI], Mood and Anxiety Symptoms Questionnaire Anxious Arousal scale [MASQ-AA]). The specifier was constructed using five self-report items from the IDS and BAI. Basal inflammatory markers included C-reactive protein (CRP), interleukin (IL)-6 and tumor necrosis factor (TNF)-alpha. Innate production capacity was assessed by 13 lipopolysaccharide (LPS)-stimulated inflammatory markers. Basal and LPS-stimulated inflammation index scores were created. Basal inflammation was not associated with anxious distress (prevalence = 54.3%) in MDD patients, except for a modest positive association for BAI score. However, anxious distress was associated with higher LPS-stimulated levels (interferon-gamma, IL-6, monocyte chemotactic protein (MCP)-1, macrophage inflammatory protein (MIP)-1alpha, matrix metalloproteinase (MMP)-2, TNF-alpha, LPS-stimulated index). Other anxiety indicators (anxious distress specifier score, BAI, MASQ-AA) were also associated with increased innate production capacity. Within a large MDD sample, the anxious distress specifier was associated with increased innate cytokine production capacity but not with basal inflammation. Results from dimensional anxiety indicators largely confirm these results. These findings provide new insight into the pathophysiology of anxious depression. PMID- 29217844 TI - Microbiome: Fusobacterium persistence in colorectal cancer. PMID- 29217845 TI - Viral pathogenesis: A small change makes a big difference. PMID- 29217846 TI - Host response: Fungal safeguards in the gut. PMID- 29217847 TI - Black Lives Matter: A Call to Action for Counseling Psychology Leaders. AB - Police brutality and widespread systemic racism represent historical and current sources of trauma in Black communities. Both the Black Lives Matter movement and counseling psychology propose to confront these realities at multiple levels. Black Lives Matter seeks to increase awareness about systemic racism and promote resilience among Black people. Counseling psychology states values of multiculturalism, social justice, and advocacy. Executive leadership in counseling psychology may seek to promote racial justice, yet struggle with how to participate in Black Lives Matter movements and address racial discrimination within larger systems spontaneously and consistently. However, counseling psychology trainees and professionals are actively involved in the Black Lives Matter movement, leading the way forward. Through the framework of spontaneity in social movements, this manuscript highlights what counseling psychologists are currently contributing to Black Lives Matter and makes recommendations that build on the opportunity counseling psychologists have for further involvement in the movement. PMID- 29217848 TI - A Radio Frequency Radiation Exposure System for Rodents based on Reverberation Chambers. AB - In this paper we present the novel design features, their technical implementation, and an evaluation of the radio Frequency (RF) exposure systems developed for the National Toxicology Program (NTP) of the National Institute of Environmental Health Sciences (NIEHS) studies on the potential toxicity and carcinogenicity of 2nd and 3rd generation mobile-phone signals. The system requirements for this 2-year NTP cancer bioassay study were the tightly controlled lifetime exposure of rodents (1568 rats and 1512 mice) to three power levels plus sham simulating typical daily, and higher, exposures of users of GSM and CDMA (IS95) signals. Reverberation chambers and animal housing were designed to allow extended exposure time per day for free-roaming individually-housed animals. The performance of the chamber was characterized in terms of homogeneity, stirred to unstirred energy, efficiency. The achieved homogeneity was 0.59 dB and 0.48 dB at 900 and 1900 MHz respectively. The temporal variation in the electric field strength was optimized to give similar characteristics to that of the power control of a phone in a real network using the two stirrers. Experimental dosimetry was performed to validate the SAR sensitivity and determine the SAR uniformity throughout the exposure volume; SAR uniformities of 0.46 dB and 0.40 dB, respectively, for rats and mice were achieved. PMID- 29217850 TI - Indian Society of Anaesthesiologists cardiopulmonary resuscitation guidelines: Ushering in a new initiative. PMID- 29217849 TI - Life-Time Dosimetric Assessment for Mice and Rats Exposed in Reverberation Chambers of the 2-Year NTP Cancer Bioassay Study on Cell Phone Radiation. AB - In this paper, we present the detailed life-time dosimetry analysis for rodents exposed in the reverberation exposure system designed for the two-year cancer bioassay study conducted by the National Toxicology Program of the National Institute of Environmental Health Sciences. The study required the well controlled and characterized exposure of individually housed, unrestrained mice at 1900 MHz and rats at 900 MHz, frequencies chosen to give best uniformity exposure of organs and tissues. The wbSAR, the peak spatial SAR and the organ specific SAR as well as the uncertainty and variation due to the exposure environment, differences in the growth rates, and animal posture were assessed. Compared to the wbSAR, the average exposure of the high-water-content tissues (blood, heart, lung) were higher by ~4 dB, while the low-loss tissues (bone and fat) were less by ~9 dB. The maximum uncertainty over the exposure period for the SAR was estimated to be <49% (k=2) for the rodents whereas the relative uncertainty between the group was <14% (k=1). The instantaneous variation (averaged over 1 min) was <13% (k=1), which is small compared to other long term exposure research projects. These detailed dosimetric results empowers comparison with other studies and provides a reference for studies of long-term biological effects of exposure of rodents to RF energy. PMID- 29217851 TI - Compression-only life support (COLS) for cardiopulmonary resuscitation by layperson outside the hospital. AB - The cardiopulmonary resuscitation (CPR) guidelines of compression-only life support (COLS) for management of the victim with cardiopulmonary arrest in adults provide a stepwise algorithmic approach for optimal outcome of the victim outside the hospital by untrained laypersons. These guidelines have been developed to recommend practical, uniform and acceptable resuscitation algorithms across India. As resuscitation data of the Indian population are inadequate, these guidelines have been based on international literature. The guidelines have been recommended after discussion among Indian experts and the recommendations modified to ensure its practical applicability across the country. The COLS emphasises on early recognition of cardiac arrest and activation, early chest compression and early transfer to medical facility. The guidelines emphasise avoidance of any interruption of chest compression, and thus relies primarily on chest compression-only CPR by laypersons. PMID- 29217852 TI - Basic cardiopulmonary life support (BCLS) for cardiopulmonary resuscitation by trained paramedics and medics outside the hospital. AB - The cardiopulmonary resuscitation guideline of Basic Cardiopulmonary Life Support (BCLS) for management of adult victims with cardiopulmonary arrest outside the hospital provides an algorithmic stepwise approach for optimal outcome of the victims by trained medics and paramedics. This guideline has been developed considering the need to have a universally acceptable practice guideline for India and keeping in mind the infrastructural limitations of some areas of the country. This guideline is based on evidence elicited in the international and national literature. In the absence of data from Indian population, the excerpts have been taken from international data, discussed with Indian experts and thereafter modified to make them practically applicable across India. The optimal outcome for a victim with cardiopulmonary arrest would depend on core links of early recognition and activation; early high-quality cardiopulmonary resuscitation, early defibrillation and early transfer to medical facility. These links are elaborated in a stepwise manner in the BCLS algorithm. The BCLS also emphasise on quality check for various steps of resuscitation. PMID- 29217854 TI - Need for resuscitation registry in India based on Indian Society of Anaesthesiologists cardiopulmonary resuscitation guidelines. PMID- 29217853 TI - Comprehensive cardiopulmonary life support (CCLS) for cardiopulmonary resuscitation by trained paramedics and medics inside the hospital. AB - The cardiopulmonary resuscitation (CPR) guideline of comprehensive cardiopulmonary life support (CCLS) for management of the patient with cardiopulmonary arrest in adults provides an algorithmic step-wise approach for optimal outcome of the patient inside the hospital by trained medics and paramedics. This guideline has been developed considering the infrastructure of healthcare delivery system in India. This is based on evidence in the international and national literature. In the absence of data from the Indian population, the extrapolation has been made from international data, discussed with Indian experts and modified accordingly to ensure their applicability in India. The CCLS guideline emphasise the need to recognise patients at risk for cardiac arrest and their timely management before a cardiac arrest occurs. The basic components of CPR include chest compressions for blood circulation; airway maintenance to ensure airway patency; lung ventilation to enable oxygenation and defibrillation to convert a pathologic 'shockable' cardiac rhythm to one capable to maintaining effective blood circulation. CCLS emphasises incorporation of airway management, drugs, and identification of the cause of arrest and its correction, while chest compression and ventilation are ongoing. It also emphasises the value of organised team approach and optimal post-resuscitation care. PMID- 29217855 TI - Effect of nasal oxygen supplementation during apnoea of intubation on arterial oxygen levels: A prospective randomised controlled trial. AB - Background and Aims: Apnoeic oxygenation during laryngoscopy has been emphasised in recent recommendations for airway management. We aimed to compare the effect of nasal oxygen supplementation on time for pulse oximeter oxygen saturation (SpO2) to fall from 100% to 92% (desaturation safety time), to assess the arterial oxygen partial pressures (PaO2) with and without nasal oxygen supplementation and the time for SpO2 to recover from 92% to 100% after initiation of ventilation. Methods: This is a prospective randomised placebo controlled trial involving sixty patients, where nasal oxygen supplementation given at 10 L/min during apnoea of laryngoscopy in one group of patients (Group O2) was compared to no oxygen supplementation in other group (Group NoO2). Desaturation safety period and the PaO2 just after intubation were compared. Time for SpO2 to increase to 100% after initiation of ventilation was also assessed. Demographic details were compared using the Chi-square and t-tests. Student's t test for independent variables was used to compare means of data obtained. Results: Desaturation safety period at 415.46 +/- 97.23 seconds in group O2 versus 378.69 +/- 89.31 seconds in group NoO2(P = 0.213) and PaO2(P = 0.952) and time to recovery of SpO2 (P = 0.058) were similar in both groups. Rise in arterial carbon dioxide secondary to apnoea was slower in oxygen supplementation group (P = 0.032). Conclusion: Apnoeic oxygen supplementation at 10 L/min flow by nasal prong did not significantly prolong the apnoea desaturation safety periods or the PaO2 in our study. PMID- 29217856 TI - Adductor canal block for post-operative analgesia after simultaneous bilateral total knee replacement: A randomised controlled trial to study the effect of addition of dexmedetomidine to ropivacaine. AB - Background and Aims: Knee replacement surgery causes tremendous post-operative pain and adductor canal block (ACB) is used for post-operative analgesia. This is a randomised, controlled, three-arm parallel group study using different doses of dexmedetomidine added to ropiavcaine for ACB. Methods: A total of 150 patients aged 18-75 years, scheduled for simultaneous bilateral total knee replacement, received ultrasound-guided ACB. They were randomised into three groups -Group A received ACB with plain ropivacaine; Groups B and C received ACB with ropivacaine and addition of dexmedetomidine 0.25 MUg/kg and 0.50 MUg/kg, respectively, on each side of ACB. The primary outcome was the duration of analgesia. Total opioid consumption, success of early ambulation, and level of patient satisfaction were also assessed. Results: The patient characteristics and block success rates were comparable in all groups. Group C patients had longer duration of analgesia (Group C 18.4 h +/- 7.4; Group B 14.6 +/- 7.1; Group A 10.8 +/- 7; P < 0.001); lesser tramadol consumption (Group C 43.8 mg +/- 53.2; Group B 76.4 +/- 49.6; Group A 93.9 mg +/- 58.3; P < 0.001) and lesser pain on movement (P < 0.001). The patients in Group B and C walked more steps than in Group A (P < 0.002). The level of patient satisfaction was highest in Group C (P < 0.001). Conclusions: The addition of dexmedetomidine to ropivacaine resulted in longer duration of analgesia after adductor canal block for simultaneous bilateral total knee replacement surgery. PMID- 29217857 TI - A comparison of haemodynamic responses between clinical assessment-guided tracheal intubation and neuromuscular block monitoring-guided tracheal intubation: A prospective, randomised study. AB - Background and Aims: Haemodynamic responses to laryngoscopy and endotracheal intubation and their hazards are well documented. The purpose of the study was to compare the effects of laryngoscopy and intubation on cardiovascular responses when the appropriate moment for intubation was directed by either clinical judgment or train-of-four assessment. Methods: A total of 68 patients, posted for laparoscopic cholecystectomy, were randomised into two groups. In Group M patients, the trachea was intubated after train of four counts became zero in adductor pollicis muscle, whereas in Group C patients, the trachea was intubated after the clinical judgment of jaw muscle relaxation. Changes in heart rate (HR) and mean arterial pressure, intubating conditions and the time between the administration of a neuromuscular blocking agent and endotracheal intubation were recorded. Results were analysed by the Analysis of variance and chi-square tests. Results: HR and mean arterial pressure were significantly higher in Group C as compared to Group M after laryngoscopy and tracheal intubation (P < 0.05). The mean time required for intubation was significantly shorter in Group C compared to Group M (175 +/- 7 s vs. 385 +/- 101 s). Excellent and good intubation conditions were observed in all Group M patients, whereas 24 out of 34 patients (70%) in Group C showed excellent and good intubation conditions. Conclusion: Haemodynamic responses to laryngoscopy and tracheal intubation can be significantly attenuated if tracheal intubation is performed following complete paralysis of laryngeal muscles, detected by neuromuscular monitoring of adductor pollicis muscle. PMID- 29217858 TI - Effect of co-administration of different doses of phenylephrine with oxytocin on the prevention of oxytocin-induced hypotension in caesarean section under spinal anaesthesia: A randomised comparative study. AB - Introduction: Co-administration of phenylephrine prevents oxytocin-induced hypotension during caesarean section under spinal anaesthesia (SA), but higher doses cause reflex bradycardia. This study compares the effects of co administration of two different doses of phenylephrine on oxytocin-induced hypotension during caesarean section under SA. Methods: In this prospective, double-blind study, 90 parturients belonging to the American Society of Anesthesiologists' physical status 1 or 2, undergoing caesarean section under SA were randomised into Group A: oxytocin 3U and phenylephrine 50 MUg, Group B: oxytocin 3U and phenylephrine 75 MUg, Group C: oxytocin 3U and normal saline, administered intravenously over 5 min after baby extraction. The incidence of hypotension (the primary outcome), rescue vasopressor requirement and side effects were recorded. Statistical analyses were with analysis of variance, Kruskal-Wallis, chi-square and Fisher's exact tests. Results: Demographic parameters such as age, height, weight, level of sensory block at 20 min and duration of surgery were comparable in all the groups. The incidence of hypotension (Group A - 90%, Group B - 10%, Group C - 98%, P = 0.001), magnitude of fall in mean arterial pressure (Group A-15.03 +/- 6.12 mm of Hg, Group B - 6.63 +/- 4.49 mm of Hg and Group C-13.03 +/- 3.39 mm of Hg, P < 0.001) and rescue vasopressor requirement (Group A-45 +/- 15.25 mg, Group B-5 +/- 15.25, Group C 91.66 +/- 26.53, P < 0.001) were significantly lower in Group B compared to A and C. Conclusion: Co-administration of phenylephrine 75 MUg with oxytocin 3U reduces the incidence of oxytocin-induced hypotension compared to phenylephrine 50 MUg with oxytocin 3U during caesarean section under spinal anaesthesia. PMID- 29217859 TI - Efficacy of transdermal buprenorphine patch on post-operative pain relief after elective spinal instrumentation surgery. AB - Background and Aims: Transdermal buprenorphine patch (TDB) is increasingly used for chronic pain management because of non-invasive dosing, longer duration of action and minimal side effects. However its role in acute post-operative pain management for spinal instrumentation surgery is not well established. The aim of this study was to evaluate the analgesic efficacy of buprenorphine patch for postoperative pain relief in patients undergoing spinal instrumentation surgery. Methods: In this randomised, placebo-controlled, double-blinded, prospective study, 70 adult patients undergoing elective spinal instrumentation surgery were randomly allocated into two groups-TDB Group (buprenorphinepatch) and TDP Group (placebo patch). Time to first rescue analgesic requirement was the primary outcome. All patients also were monitored for total rescue analgesic requirement, drug-related adverse effect and haemodynamic status till 48 h after surgery. Statistical analysis was carried out using student independent t-test if normally distributed or with Mann-Whitney U-test if otherwise. Results: Time to first post operative rescue analgesic (tramadol) requirement was much delayed in TDB Group than TDP Group (708.0 +/- 6.98 min vs 54 +/- 0.68 min, P < 0.001) and the total tramadol requirement was higher in TDB Group (490.60 +/- 63.09 averagevs. 162.93 +/- 63.91 mg, P < 0.001). Intra-and post-operative haemodynamic status was also stable in TDB Group without any adverse event. Conclusion: A TDB patch (10 MUg/hour) applied 24 hours before surgery can be used as a postoperative analgesic for lumber fixation surgery without any drug-related adverse effect. PMID- 29217860 TI - Greater palatine nerve neuropraxia after laryngeal mask insertion: A rare occurrence. AB - With the more frequent use of the laryngeal mask airway (LMA) over endotracheal tubes for general anaesthesia, various cranial nerve injuries have been reported recently. We report a rare occurrence of greater palatine nerve (GPN) palsy subsequent to the use of LMA SupremeTM in a young female scheduled for hand surgery. Although the exact mechanism of a nerve injury is still a matter of further research, we postulate pressure neuropraxia of GPN as a causative factor in the development of numbness over the hard palate after the removal of LMA in the post operative period. PMID- 29217861 TI - Practice and reasons for routine pre-operative investigations among anaesthesiologists and surgeons: An online survey. PMID- 29217862 TI - Tracheostomal myiasis! A word of caution. PMID- 29217863 TI - Sustained intraoperative bradycardia revealing Sengers syndrome. PMID- 29217864 TI - Post-reperfusion bronchospasm in a deceased donor liver transplant recipient: An enigma. PMID- 29217865 TI - Jet Insufflator for cannot intubate cannot ventilate situation. An Indian Jugaad. PMID- 29217866 TI - Airway management of a paediatric patient with temporomandibular joint ankylosis with extra hepatic portal vein obstruction, splenomegaly, hypersplenism, and obstructive sleep apnoea for shunt surgery: A unique challenge. PMID- 29217867 TI - Ruthenium (II) and Iridium (III) Complexes of N-Heterocyclic Carbene and Pyridinol Derived Bidentate Chelates: Synthesis, Characterization, and Reactivity. AB - We report the synthesis and characterization of new ruthenium(II) and iridium(III) complexes of a new bidentate chelate, NHCR'-pyOR (OR = OMe, OtBu, OH and R' = Me, Et). Synthesis and characterization studies were done on the following compounds: four ligand precursors (1-4); two silver complexes of these NHCR'-pyOR ligands (5-7); six ruthenium complexes of the type [eta6-(p cymene)Ru(NHCR'-pyOR)Cl]X with R' = Me, Et and R = Me, tBu, H and X = OTf-, PF6- and PO2F2- (8-13); and two iridium complexes, [Cp*Ir(NHCMe-pyOtBu)Cl]PF6 (14) and [Cp*Ir(NHCMe-pyOH)Cl]PO2F2 (15). The complexes are air stable and were isolated in moderate yield. However, for the PF6- salts, hydrolysis of the PF6- counter anion to PO2F2- during t-butyl ether deprotection was observed. Most of the complexes were characterized by 1H and 13C-NMR, MS, IR, and X-ray diffraction. The ruthenium complexes [eta6-(p-cymene)Ru(NHCMe-pyOR)Cl]OTf (R = Me (8) and tBu (9)) were tested for their ability to accelerate CO2 hydrogenation and formic acid dehydrogenation. However, our studies show that the complexes transform during the reaction and these complexes are best thought of as pre-catalysts. PMID- 29217868 TI - Age Cohort Variation in Drinking among People with Physical Impairments: Politically-oriented Coping in the Wake of the Great Recession. AB - People with physical impairments are at greater risk for economic hardship and more alcohol-related problems compared to the general population. We address age cohort differences in modes of coping with economic adversity and the extent to which modes of coping explain the relationships between age cohort membership and drinking outcomes among people with physical impairments. 176 respondents with physical impairments derived from a national sample completed a mail survey. Using SEM, we demonstrate that members of the Generation X age cohort manifest higher levels of alcohol consumption and problem-related drinking compared to baby boomers due to their lesser tendency to engage in politically-oriented coping to deal with economic adversity. Within the context of social movements contesting the disadvantaged social status of people with disabilities, the Generation X age cohort manifests both more limited political engagement and higher levels of alcohol consumption and problem-related drinking among people with physical impairments. PMID- 29217869 TI - Leaf and root C-to-N ratios are poor predictors of soil microbial biomass C and respiration across 32 tree species. AB - Soil microorganisms are the main primary decomposers of plant material and drive biogeochemical processes like carbon and nitrogen cycles. Hence, knowledge of their nutritional demands and limitations for activity and growth is of particular importance. However, potential effects of the stoichiometry of soil and plant species on soil microbial activity and carbon use efficiency are poorly understood. Soil properties and plant traits are assumed to drive microbial carbon and community structure. We investigated the associations between C and N concentrations of leaf, root, and soil as well as their ratios and soil microbial biomass C and activity (microbial basal respiration and specific respiratory quotient) across 32 young native angiosperm tree species at two locations in Central Germany. Correlations between C:N ratios of leaves, roots, and soil were positive but overall weak. Only regressions between root and leaf C:N ratios as well as between root and soil C:N ratios were significant at one site. Soil microbial properties differed significantly between the two sites and were significantly correlated with soil C:N ratio across sites. Soil C concentrations rather than N concentrations drove significant effects of soil C:N ratio on soil microbial properties. No significant correlations between soil microbial properties and leaf as well as root C:N ratios were found. We found weak correlations of C:N ratios between plant aboveground and belowground tissues. Furthermore, microorganisms were not affected by the stoichiometry of plant tissues in the investigated young trees. The results suggest that soil stoichiometry represents a consistent determinant of soil microbial biomass and respiration. Our study indicates that stoichiometric relationships among tree organs can be weak and poor predictors of soil microbial properties in young tree stands. Further research in controlled experimental settings with a wide range of tree species is needed to study the role of plant chemical traits like the composition and stoichiometry of root exudates in determining interactions between above- and belowground compartments. PMID- 29217870 TI - Temporal Prediction of Future State Occupation in a Multistate Model from High Dimensional Baseline Covariates via Pseudo-Value Regression. AB - In many complex diseases such as cancer, a patient undergoes various disease stages before reaching a terminal state (say disease free or death). This fits a multistate model framework where a prognosis may be equivalent to predicting the state occupation at a future time t. With the advent of high throughput genomic and proteomic assays, a clinician may intent to use such high dimensional covariates in making better prediction of state occupation. In this article, we offer a practical solution to this problem by combining a useful technique, called pseudo value regression, with a latent factor or a penalized regression method such as the partial least squares (PLS) or the least absolute shrinkage and selection operator (LASSO), or their variants. We explore the predictive performances of these combinations in various high dimensional settings via extensive simulation studies. Overall, this strategy works fairly well provided the models are tuned properly. Overall, the PLS turns out to be slightly better than LASSO in most settings investigated by us, for the purpose of temporal prediction of future state occupation. We illustrate the utility of these pseudo value based high dimensional regression methods using a lung cancer data set where we use the patients' baseline gene expression values. PMID- 29217871 TI - Development and validation of European guidelines for seismic qualification of post-installed anchors. AB - This paper presents the technical background for the seismic qualification procedures for post-installed anchors in the European Technical Approval Guideline (ETAG 001) seismic annex issued in 2013. We discuss requirements for a comprehensive guideline and reference supporting documentation. Numerical studies to generate new simulated seismic protocols for anchors are summarized with focus on their application to Europe. To reduce the time and cost of anchor product qualification testing while fulfilling the requirement of European building codes to assess two performance categories, we combine the results of our numerical studies to generate novel testing protocols that allow for the assessment of anchor behavior at multiple levels in a unified protocol. Validation tests demonstrate that the unified protocol results in anchor performance comparable with that achieved in multiple, single-performance-level tests. PMID- 29217873 TI - Etale neighbourhoods and the normal crossings locus. AB - Given a property of the complete local ring of a variety at a point, how can we show that the set of all points on the variety sharing the same property is open or closed in the Zariski topology? Such questions are ubiquitous especially in resolution of singularities. In the example of the normal crossings property and some variations we give a solution via etale neighbourhoods and Artin approximation. PMID- 29217872 TI - An Integrated Bioprocess to Recover Bovine Milk Oligosaccharides from Colostrum Whey Permeate. AB - A major challenge in isolating oligosaccharides from dairy streams is to enrich oligosaccharides while simultaneously reducing the content of simple sugars (mono and disaccharides) that do not possess the desired prebiotic functions. An integrated approach based on optimized conditions that favor maximum lactose hydrolysis, monosaccharide fermentation and oligosaccharides recovery by nanofiltration was developed. Upon complete lactose hydrolysis and fermentation of the monosaccharides by yeast, nanofiltration of fermented whey permeate from colostrum enabled the recovery of 95% of the oligosaccharides at high purity. While the number of commercially available standards has limited the quantification of only a few sialylated oligosaccharides, the application of both high performance anion-exchange chromatography with pulsed amperometric detection and mass spectrometry provided a complete profile of the final product. Approximately 85% of the oligosaccharides in the final concentrate were sialylated, with the remainder being neutral. PMID- 29217874 TI - Measuring idiosyncratic interests in children with autism. AB - A defining symptom of autism spectrum disorder (ASD) is the presence of restricted and repetitive activities and interests, which can surface in language as a perseverative focus on idiosyncratic topics. In this paper, we use semantic similarity measures to identify such idiosyncratic topics in narratives produced by children with and without ASD. We find that neurotypical children tend to use the same words and semantic concepts when retelling the same narrative, while children with ASD, even when producing accurate retellings, use different words and concepts relative not only to neurotypical children but also to other children with ASD. Our results indicate that children with ASD not only stray from the target topic but do so in idiosyncratic ways according to their own restricted interests. PMID- 29217875 TI - Deep Auto-context Convolutional Neural Networks for Standard-Dose PET Image Estimation from Low-Dose PET/MRI. AB - Positron emission tomography (PET) is an essential technique in many clinical applications such as tumor detection and brain disorder diagnosis. In order to obtain high-quality PET images, a standard-dose radioactive tracer is needed, which inevitably causes the risk of radiation exposure damage. For reducing the patient's exposure to radiation and maintaining the high quality of PET images, in this paper, we propose a deep learning architecture to estimate the high quality standard-dose PET (SPET) image from the combination of the low-quality low-dose PET (LPET) image and the accompanying T1-weighted acquisition from magnetic resonance imaging (MRI). Specifically, we adapt the convolutional neural network (CNN) to account for the two channel inputs of LPET and T1, and directly learn the end-to-end mapping between the inputs and the SPET output. Then, we integrate multiple CNN modules following the auto-context strategy, such that the tentatively estimated SPET of an early CNN can be iteratively refined by subsequent CNNs. Validations on real human brain PET/MRI data show that our proposed method can provide competitive estimation quality of the PET images, compared to the state-of-the-art methods. Meanwhile, our method is highly efficient to test on a new subject, e.g., spending ~2 seconds for estimating an entire SPET image in contrast to ~16 minutes by the state-of-the-art method. The results above demonstrate the potential of our method in real clinical applications. PMID- 29217877 TI - Central Venous Stenosis: What Should a Nephrologist Know? PMID- 29217876 TI - Nocturnal Enuresis in India: Are We Diagnosing and Managing Correctly? AB - Nocturnal enuresis is a common problem affecting school-aged children worldwide. Although it has significant impact on child's psychology, it is always under recognized in India and considered as a condition which will outgrow with advancing age. Nocturnal enuresis classified as primary or secondary and monosymptomatic or nonmonosymptomatic. Factors that cause enuresis include genetic factors, bladder dysfunction, psychological factors, and inappropriate antidiuretic hormone secretion, leading to nocturnal polyuria. Diagnosis consists of detailed medical history, clinical examination, frequency-volume charts, and appropriate investigations. The frequency-volume chart or voiding diary helps in establishing diagnosis and tailoring therapy. The first step in treating nocturnal enuresis is to counsel the parents and the affected child about the condition and reassure them that it can be cured. One of the effective strategies to manage enuresis is alarm therapy, but currently, it is not easily available in India. Desmopressin has been used in the treatment of nocturnal enuresis for close to 50 years. It provides an effective and safe option for the management of nocturnal enuresis. This review covers the diagnosis and management of nocturnal enuresis and introduces the concept of "bedwetting clinics" in India, which should help clinicians in the thorough investigation of bedwetting cases. PMID- 29217878 TI - A Randomized Controlled Trial of Intravenous versus Oral Cyclophosphamide in Steroid-resistant Nephrotic Syndrome in Children. AB - This is a randomized, parallel group, active-controlled trial to compare the efficacy of intravenous cyclophosphamide (IVCP) with oral cyclophosphamide (OCP) in patients with steroid-resistant nephrotic syndrome (SRNS) in children. Fifty consecutive children with idiopathic SRNS were biopsied and then randomized to receive either OCP at a dose of 2 mg/kg/day for 12 weeks or IVCP at a dose of 500 mg/m2/month for 6 months. Both groups received tapering doses of oral steroids. The response was evaluated in terms of induction of complete remission (CR) or partial remission (PR), time to remit, and side effects. The groups were followed up to determine the duration of remission, percentage of patients who remain in sustained remission for more than 1 year after completion of therapy, change in steroid response status, progression to chronic kidney disease stage 3 or more. Of the fifty patients, OCP was given to 25 children and IVCP to 25 children. The demographic data, histopathology, biochemical profile, and duration of follow-up in the two groups were comparable. The rates of induction of CR were 52% versus 44% and of PR were 8% versus 8% in the intravenous (IV) and oral group, respectively. Time to remit was shorter with OCP than IVCP (53 days vs. 84.4 days). Incidence of side effects (both major and minor) was 36% in IVCP versus 20% in OCP group. The actuarial cumulative sustained remission in our study was 12% in IVCP compared with 16% in OCP at 1 year after completion of therapy. Twelve percent children in both the groups exhibited restoration of steroid sensitivity. Thus, in our study, overall, more than half of SRNS patients showed initial response to cyclophosphamide, but only one-fourth patients had sustained remission on follow-up. OCP and IVCP were equally efficacious and safe in idiopathic SRNS in children. PMID- 29217879 TI - IgA-dominant Infection-related Glomerulonephritis in India: A Single-center Experience. AB - IgA-dominant infection-related glomerulonephritis (IRGN) is a distinct morphologic variant of IRGN, characterized by dominant or codominant glomerular deposits of IgA, mostly in elderly and patients with diabetes. More cases are being reported in recent times due to increased awareness of the disease entity and increased rate of Staphylococcus infection. It usually presents as rapidly progressive renal failure with proteinuria, and treatment guidelines for this disease entity are not well defined. We report here 12 cases of IgA-dominant IRGN seen over a period of 5 years from a single center. Clinical features, biopsy findings, treatment, and outcomes were analyzed. Out of 12 patients, eight were males. The mean age of presentation was 52.4 +/- 21 years. Skin was the most common site of infection seen in six patients. Gross hematuria was seen in 4 patients and 11 had nephrotic proteinuria. Eleven had low serum C3. Only two patients had diabetes. Methicillin-resistant Staphylococcus aureus (MRSA) was the most common organism isolated in six patients. Most common histopathology was crescentic glomerulonephritis seen in seven patients, followed by endocapillary proliferation in three and diffuse proliferative glomerulonephritis in two. Hemodialysis was done in eight patients and six patients received steroid therapy. End-stage renal disease developed in three patients, chronic kidney disease in three, and three patients died due to sepsis. Various infections including MRSA and Escherichia coli were associated with IgA-dominant IRGN both in patients with diabetes and nondiabetics. Suspicion and recognition of the disease is important as it has therapeutic and prognostic implications. PMID- 29217880 TI - Renal Manifestation in Scrub Typhus during a Major Outbreak in Central Nepal. AB - Renal involvement and acute kidney injury (AKI) are common clinical manifestations seen in scrub typhus, a vector-borne tropical disease. There are no data on renal manifestation in scrub typhus in Nepal. We conducted a prospective study to analyze the incidence, urinary abnormalities, course, severity, outcome, and the predictors of AKI in patients with scrub typhus during a major outbreak in Central Nepal. Total 1398 patients admitted with acute febrile illness were subjected for Scrub Typhus DetectTM Immunoglobulin M (IgM) enzyme-linked immunosorbent assay (ELISA) test, of which 502 (35.90%) patients tested positive and were included in the study. Mean age of the patients was 30.37 +/- 18.81 years (range, 1-79 years) with 26.29% in the pediatric age group. Female-to-male ratio was 1.26:1. Mean duration of fever was 6.8 +/- 3.1 days. Mean IgM ELISA value for scrub typhus was 2.17 +/- 1.70 without difference in AKI and non-AKI groups (2.17 +/- 1.76 vs. 2.16 +/- 1.62; P = 0.94). Urinary abnormalities were seen in 42.3% of patients. Mean serum creatinine was 1.37 +/- 0.69 mg/dl with significant difference in two groups (1.85 +/- 0.87 vs. 1.03 +/- 0.17; P = 0.003). AKI was seen in 35.8% of patients with majority having Stage 1 AKI (68.3%) followed by Stage 2 (34.1%) and Stage 3 (1.2%). Hemodialysis was required for 3.94% of patients. In 54% of patients, AKI occurred in fifth and sixth day of fever. ICU admission was required for 18.73% of patients and 8.57% required ventilator support. Mortality rate was 1.79%, which was higher among patients with AKI (2.96% vs. 1.0%; P = 0.106). Multivariate analysis revealed that the presence of pneumonia, shock, and acute respiratory distress syndrome predicted the development of AKI. PMID- 29217881 TI - Reduced Baroreflex Sensitivity, Decreased Heart Rate Variability with Increased Arterial Stiffness in Predialysis. AB - High cardiovascular morbidity and mortality is observed in predialytic chronic kidney disease (CKD) patients. The underlying mechanism of cardiovascular dysfunction often remains unclear. The present study was designed to perform multiparametric assessment of baroreflex sensitivity (BRS), arterial stiffness indices, and cardiovascular variabilities (heart rate variability [HRV] and blood pressure variability [BPV]) together in predialytic CKD patients; compare it with normal healthy controls; and determine their relationships in predialytic nondiabetic CKD patients. Thirty CKD Stage 4 and 5 predialytic non-diabetic patients and 30 healthy controls were enrolled in the study. BRS was determined by spontaneous sequence method. Short-term HRV and BPV were assessed using 5 min beat-to-beat data of RR intervals and blood pressure by time domain and frequency domain analysis. Arterial stiffness indices - carotid-femoral pulse wave velocity (PWV) and augmentation index - were measured using SphygmoCor Vx device (AtCor Medical, Australia). Predialytic CKD patients had significantly low BRS, high PWV, and low HRV as compared to healthy controls. Independent predictors of reduced systolic BRS in predialytic CKD patient group on multiple regression analysis emerged to be increase in calcium-phosphate product, increase in BPV, and decrease in HRV. Predialytic nondiabetic CKD Stage 4 and 5 patients have poor hemodynamic profile (higher PWV, lower HRV, and reduced BRS) than healthy controls. Reduced HRV and altered calcium-phosphate homeostasis emerged to be significant independent predictors of reduced BRS. PMID- 29217882 TI - Innominate Vein Stenosis in Association with Ipsilateral Hyperdynamic Brachiobasilic Fistula Causing Ipsilateral Limb and Hemifacial Swelling. AB - A 34-year-old hypertensive woman with a hyperdynamic, left brachiobasilic dialysis fistula presented with a long history of throbbing in her head and swelling of the left side of the face. Tight stenosis of left brachiocephalic vein was found to be causing retrograde flow into the left jugular vein which normalized after dilatation and stenting with resolution of all the symptoms and patient is asymptomatic for 1 year. PMID- 29217883 TI - Squamous Cell Carcinoma of Skin after 20 Years of Renal Transplantation. AB - Solid organ transplant recipients are at high risk of developing malignancies due to the prolonged use of immunosuppressant drugs. Squamous cell carcinoma of skin can occur in these patients even after decades of organ transplant. A 45-year-old male underwent renal transplant for end-stage renal disease 23 years ago and was on immunosuppressive drugs since then. The patient was on regular follow-up. Three years back, he developed squamous cell carcinoma of both forearms and hands, which was treated with radiation therapy using 8 MeV electrons, by parallel opposed fields to a dose of 60 Gy/30 fractions. Complete response to treatment was achieved at 3 months posttreatment. The patient is currently on follow-up and asymptomatic for skin lesions. Hence, these patients require longer follow-up, active surveillance, and screening for early diagnosis and prompt treatment of the premalignant and malignant conditions. PMID- 29217884 TI - How Harmful Can Herbal Remedies Be? A Case of Severe Acute Tubulointerstitial Nephritis. AB - Acute interstitial nephritis (AIN) is a condition in which acute kidney injury (AKI) is characterized by the histological finding of interstitial inflammation. Hyponidd is an ayurvedic drug containing Momordica charantia, Gymnema sylvestre, Swertia chirata, etc., used for the treatment of Type 2 diabetes mellitus (DM) and polycystic ovarian disease as an insulin sensitizer. There are no case reports of AIN caused by this drug yet. We report a biopsy-proven case of AKI due to severe AIN associated with the use of hyponidd tablet in a 60-year-old male with DM and hypertension. As these types of various indigenous compounds are used as home remedies in our country, awareness about the possible adverse effects of these agents among physicians is very important in the early diagnosis and management. PMID- 29217886 TI - Methylene Blue Induced Methemoglobinemia with Acute Kidney Injury in a Glucose-6 Phosphate Dehydrogenase-deficient Patient. AB - Our case was treated with methylene blue for symptomatic nitrobenzene poisoning. After which he developed methemoglobinemia with acute kidney injury due to hemolysis and on further testing, he was found to be glucose-6-phosphate dehydrogenase (G6PD) enzyme deficient. Thus, afterward, the patient was treated with only available mode of treatment as repeated blood transfusions and ascorbic acid with dialysis support to which the patient responded. Thus, it is important to evaluate for the G6PD deficiency where methylene blue treatment is planned as an antidote to nitrobenzene compounds poisoning. PMID- 29217885 TI - Acute Thyroid Swelling in Renal Transplant Recipient. AB - Tuberculosis (TB) of thyroid gland is rare entity even in solid organ transplant recipients who have a high risk of TB. Thyroid TB is easily diagnosed by fine needle aspiration cytology. The majority of cases require only antitubercular drugs for treatment, and surgical intervention is required only in few patients. We here describe a case of thyroid TB presenting as an acute abscess in postrenal transplant recipient with a background of acute rejection treated with steroid and antithymocyte globulin. PMID- 29217887 TI - Renal Complications of Hematopoietic Stem Cell Transplantation: Report of a Case and Review of the Literature. AB - We report the development of minimal change disease superimposed on preexisting chronic kidney disease secondary to chronic calcineurin inhibitor nephrotoxicity in a hematopoietic stem cell transplantation (HSCT) recipient and review the renal complications of HSCT. PMID- 29217888 TI - Nutcracker Syndrome with Hypertension as an Unusual Initial Presentation. AB - Hypertension has been rarely reported in patients with the nutcracker phenomenon (NCP)/syndrome. We describe a case of a young adolescent female patient where a computed tomography angiography (CTA) provided evidence of left renal vein dilatation, probably due to its compression through the angle between the aorta and the superior mesenteric artery, during the evaluation of secondary hypertension. Blood levels of renin and aldosterone were within normal limits. Ultrasonography of the kidney showed minimal scarring on the left side. As there were no other signs of secondary hypertension, we proceeded with a CTA, which revealed findings compatible with the so-called NCP/syndrome. PMID- 29217889 TI - Spontaneous Splenic Haematoma in a Patient on Hemodialysis: A Case Report. AB - Spontaneous splenic hematoma is one of the rare and life-threatening complications of chronic renal failure. The diagnosis of splenic hematoma is mostly made by imaging such as ultrasound or computed tomography. The management of spontaneous splenic hematoma is not standardized till now due to the rarity of this condition. Splenectomy is recommended in hemodynamically unstable patients with features of shock. This is a case report of spontaneous splenic hematoma in a patient with chronic renal failure. This case is reported due to the rarity with renal failure. PMID- 29217890 TI - Nontubercular Mycobacterial Infection in a Renal Allograft Recipient. AB - A 71-year-old male, a renal allograft recipient, presented to us with a history of fever and right palm swelling. He had a history of fever 7 years back when he was treated with antitubercular treatment (ATT). Three years back, he was diagnosed to have gout and he was started on allopurinol. He developed severe bone marrow toxicity and allopurinol was changed to febuxostat. On admission, routine investigations did not reveal any focus of infection. The fluid aspirate from the palm revealed acid-fast bacilli (AFB). He was started on ATT; however, he did not show significant improvement. Two months later, he developed multiple subcutaneous lesions, and the pus again came positive for AFB. Due to lack of improvement, the aspirate was sent for molecular diagnostic identification. The mycobacteria was identified as Mycobacterium haemophilum. His treatment was changed to rifampicin, clarithromycin, and ciprofloxacin. As he showed slow improvement, his immunosuppression was tapered slowly. At 7 months of therapy, he is clinically better and his lesions are healing. His renal functions stayed stable despite tapering of cyclosporine in a patient who is on rifampicin. This case, the first report of M. haemophilum infection in a kidney transplant recipient in India, illustrates the difficulty in diagnosing nontubercular mycobacterial infection in transplant recipients. It also emphasizes the dilemma in tapering immunosuppressive drugs in disseminated nontubercular mycobacterial infections where there are considerable interactions between ATT and immunosuppressives. PMID- 29217891 TI - Trimethoprim-Sulfamethoxazole-induced Hepatotoxicity in a Renal Transplant Patient. AB - Drug-induced liver injury (DILI) represents liver damage from various therapeutic drugs. Antimicrobials are among the most common causes of DILI. We report a case of hepatic toxicity due to Trimethoprim-sulfamethoxazole (TMP-SMX) in a patient who underwent renal transplantation. Diagnosis has been made after a careful history taking, exclusion of competing etiologies and reversal of biochemical abnormalities after withdrawal of the antibiotic. TMP-SMX liver toxicity is well known but remains unpredictable and is rarely reported. PMID- 29217892 TI - Bowel Migration of Dormant Chronic Ambulatory Peritoneal Dialysis Catheter: A Vexed Problem Not Avoided by Flushing. AB - Delayed bowel erosion by peritoneal dialysis catheter is rare with fewer than thirty cases having been reported in the literature. This complication is usually encountered when the catheter is kept dormant. Two cases have also been reported with catheters in active use. The risk factors for bowel erosion include immunosuppression, diverticulosis, and amyloidosis. An 80-year-old male with chronic kidney disease Stage 5 due to hypertensive nephrosclerosis underwent chronic ambulatory peritoneal dialysis catheter insertion. Due to improvement in the glomerular filtration rate and clinical parameters including extracellular fluid volume status, peritoneal dialysis was not initiated. Weekly catheter flushes were performed. After 5 months, he developed watery diarrhea after a regular flushing episode. Computed tomography scan revealed the catheter displaced into the sigmoid colon with the tip in the rectum. He was managed successfully with catheter removal alone and conservative treatment. He remains asymptomatic at 3-month follow-up. This case is presented to emphasize the fact that delayed bowel erosion can happen with dormant catheter even in the absence of risk factors. Periodic flushing has not prevented this complication in our patient. Perforations can be self-curing when diagnosed early and when patients present without features of peritonitis or sepsis. Such cases can be managed successfully with catheter removal alone. PMID- 29217893 TI - Strongyloid Hyperinfection Syndrome in a Renal Transplant Recipient. PMID- 29217894 TI - Streptococcus gallolyticus subsp. pasteurianus Peritonitis in a Patient on Continuous Ambulatory Peritoneal Dialysis. PMID- 29217895 TI - Efficacy of Thalidomide for Recurrent Gastrointestinal Bleeding due to angiodysplasias in a Hemodialysis Patient. PMID- 29217896 TI - Practice of Surgery-Decision, Precision, Incision. PMID- 29217897 TI - Long-Lasting Dysphagia Developing After Thoracotomy for Pulmonary Resection: a Case Series. AB - The purpose of this study was to retrospectively evaluate the severity and the characteristics of dysphagia using videofluoroscopic swallowing studies (VFSS) in long-lasting dysphagia patients developing after thoracotomy performed for pulmonary resection. Eleven patients (10 men and 1 woman, average age 67 +/- 6.6 years; the average operation time in the patients was 507 min) were selected from among patients who developed dysphagia after undergoing thoracotomy for pulmonary resection between January 2009 and December 2012. The videofluoroscopic dysphagia scale (VDS) at 1 month postoperatively was used as a representative of parameters examined by the VFSS. The score on the functional oral intake scale (FOIS) was determined to evaluate the swallowing capacity at 1 and 3 months postoperatively. Most of the patients showed improvement of FOIS score at 3 months postoperatively. The patients showed mainly pharyngeal dysfunction. In spite of preserving the swallowing reflex, abnormalities of the residue in the vallecula and pyriform sinus and penetration were relatively frequent. Perioperative factors (age, %VC, FEV1.0 %, operation time, length of ICU stay) and FOIS were investigated to determine their relationships with the VDS score. While it showed no relationship with the age, lung function, operation time, and length of ICU stay, the VDS score was found to be significantly associated with the FOIS score at 3 months postoperatively. Evaluation by VFSS after lung surgery is useful to predict the prognosis of swallowing difficulty. PMID- 29217898 TI - Using of Ileucecal Interposition as a Neo-stomach in Dogs with Total Gastrectomy (Presentation of a Novel Technique). AB - Total gastrectomy and R&Y reconstruction is the standard treatment of gastric cancer except distal form one. Malnutrition is a common adverse effect of this technique, and in this study, we preset a novel technique in order to help to reduce the rate of it. We use seven dogs as participants and after total gastrectomy; we used the 10 cm of the ileum and its concomitant cecum as a neo stomach in them. For 3 months, the dogs were evaluated in nutrition status. Three of the dogs died-one due to endocarditis and two due to internal hernia. No anastomosis leakage or stricture was seen and there were no unusual neo-stomach dilation or food stasis. This technique can help the nutrition status of total gastrectomy patients but needs more comparative human studies. PMID- 29217899 TI - Technical Feasibility and Short-Term Outcome of Intracorporeal Hand-Sewn Esophagojejunostomy After Laparoscopic Total Gastrectomy: Our Experience. AB - The purpose of this study was to demonstrate the safety and technical feasibility of intracorporeal hand-sewn esophagojejunostomy after laparoscopic total gastrectomy. Laparoscopic total gastrectomy (LTG) is a technically challenging procedure, especially for esophagojejunal anastomosis (EJA). Various techniques have been described to overcome these difficulties using staplers with variable results. We report successfully performed complete intracorporeal hand-sewn EJA after LTG. The perioperative clinical data and short-term outcomes for 30 patients who underwent LTG using hand-sewn EJA for gastric cancer between 2013 and 2015 have been retrospectively reviewed. The mean age was 49.9 years; 64 % of patients were male and 36 % were female. The mean body mass index (kg/m2) was 22.4, and the mean American Society of Anesthesiologists (ASA) score was 1.4. Eleven patients had co-morbidities, and six patients had previous abdominal operations. The mean operative time, time for EJA, and blood loss was 136.9 min, 13.25 min, and 166 ml, respectively. The conversion rate was nil. The mean time for the first oral feeding and mean hospital stay was 8.3 and 9.8 days respectively. The postoperative complications were found in 16 % of patients with one case of 30-day mortality because of lobar pneumonia. There were three cases of anastomotic stenosis; however, no leakage was identified both clinically and radiologically. Complete intracorporeal hand-sewn EJA is a safe and feasible technique in the hands of experienced surgeons that can be considered as an alternative cost-effective method when performing LTG. PMID- 29217900 TI - Pulmonary Function After Lobectomy: Video-Assisted Thoracoscopic Surgery Versus Muscle-Sparing Mini-thoracotomy. AB - Although pulmonary function was better after video-assisted thoracoscopic surgery (VATS) lobectomy than after open thoracotomy lobectomy, it is unclear whether postoperative pulmonary function after VATS lobectomy is better than that after mini-thoracotomy lobectomy. The aim of this study is to determine whether the former is better than the latter. VATS lobectomies were performed using endoscopic techniques through a 3-4-cm skin incision spread by a silicon rubber retractor and two or three trocars. Mini-thoracotomy lobectomies were performed through a 7-12-cm skin incision spread by rib retractors made of metal and one or two trocars. Pulmonary function tests were performed a week before surgery and 3 months after surgery. There were 14 males and 11 females in VATS lobectomy and 32 males and 30 females in mini-thoracotomy lobectomy. For lobe location (right upper/right lower/left upper/left lower), there were 12/1/8/4 in VATS lobectomy and 16/19/13/14 in mini-thoracotomy lobectomy, respectively. The percent predicted postoperative forced vital capacity (FVC) (postoperative FVC/predicted postoperative FVC * 100) (110 +/- 15 %) of VATS lobectomy was significantly higher than that (101 +/- 16 %) of mini-thoracotomy lobectomy (P = 0.0124). The percent predicted postoperative forced expiratory volume in 1 s (FEV1) (postoperative FEV1/predicted postoperative FEV1 * 100) (110 +/- 15 %) of VATS lobectomy was not significantly higher than that (104 +/- 15 %) of mini thoracotomy lobectomy (P = 0.091). Multiple regression analysis revealed that operative procedure (VATS lobectomy or mini-thoracotomy lobectomy) was the only significant variable contributing to percent predicted postoperative FVC (P = 0.0073) and percent predicted postoperative FEV1 (P = 0.0180). Postoperative FVC after VATS lobectomy is better than after mini-thoracotomy lobectomy. PMID- 29217901 TI - Xanthogranulomatous Cholecystitis: Analysis of 108 Patients. AB - The aim of this study was to evaluate the clinical and radiological features of xanthogranulomatous cholecystitis (XGC) and the results of surgical treatment. This retrospective study concerns clinical, radiological, and surgical data as well as histopathological findings and postoperative results of 108 patients with XGC who were identified after evaluating 7916 cholecystectomy specimens between 2004 and 2014 in a single institute. One hundred eight patients with XGC were evaluated (56 males and 52 females, mean age 62.3 years). Clinical findings at referral included acute and chronic cholecystitis, Mirizzi's syndrome, choledocholithiasis, cholangitis, and acute pancreatitis. Ultrasound was performed in all patients, CT in 25, contrast-enhanced MRI in 29, and magnetic resonance cholangiopancreatography (MRCP) in 25 patients. None of the patients were diagnosed preoperatively, but mild-moderate degrees of wall thickening were present in most. Fifty-four patients received open cholecystectomy, while 54 received laparoscopic intervention, among whom 23 were converted to open. Partial cholecystectomy was performed in 11 patients. Two patients with gallbladder adenocarcinoma were treated with radical cholecystectomy. XGC has nonspecific clinical and radiological findings; thus, preoperative diagnosis is generally absent. Open cholecystectomy is the recommended treatment modality. Conversion to open is frequently necessary after laparoscopy. Complete cholecystectomy is the ultimate goal; however, partial cholecystectomy may be preferred to protect the structures of the hepatic hilum. PMID- 29217902 TI - Magnitude, Severity, and Outcome of Traumatic Pancreatic Injury at a Level I Trauma Center in India. AB - Pancreatic injury is an uncommon and frequently missed injury in abdominal trauma patients. However, missed pancreatic injury is associated with significant morbidity and mortality. This study was conducted to know the burden of pancreatic injury and its outcome in our setup. A retrospective analysis of 53 patients with pancreatic injury from January 2008 through March 2012 at the Jai Prakash Narayan Apex Trauma Center (JPNATC), All India Institute of Medical Sciences (AIIMS), New Delhi. Pancreatic injuries were present in 1.18 % of all trauma admissions. Blunt trauma to the abdomen (n = 49, 92.45 %) due to road traffic injury (n = 38, 71.70 %) was the most common mechanism of injury. Isolated pancreatic injury was present in eight (15.09 %) patients. Grade III pancreatic injury (n = 25, 47 %) was the most common. Of these patients, 18.86 % were managed nonoperatively and 81.13 % were managed operatively. Among the operatively managed patients (n = 43), 74.4 % were operated due to pancreatic injury and 25.5 % were operated due to associated injuries. Distal pancreatectomy with or without spleen preservation (n = 25) was the most common operative procedure done. Three out of five patients of Whipple operation for pancreatic injury died. Pancreatic injury was associated with complications in 43.40 % and death in 20 % (n = 11). Pancreatic injury is rare, but delay in diagnosis of pancreatic injury has been associated with higher morbidity and mortality. Low grade pancreatic injury with intact main pancreatic duct (MPD) could be successfully managed nonoperatively, whereas in high-grade pancreatic injury, an operative intervention is invariably necessary. Distal pancreatectomy with spleen preservation is a desirable goal whenever possible for distal transaction of the pancreas. Whipple resection should be reserved only for hemodynamically stable patients with complex pancreaticoduodenal injury and is associated with high mortality. PMID- 29217903 TI - Regression of Ophthalmopathic Exophthalmos in Graves' Disease After Total Thyroidectomy: a Prospective Study of a Surgical Series. AB - Autoimmune ophthalmopathy is one of the salient clinical features associated with Graves' disease. Exophthalmos is one of the commonest manifestations of Graves' associated ophthalmopathy. It is reported to regress after thyroidectomy favourably compared to radioiodine or antithyroid drug therapy. In this context, we present our experience based on a surgical series of Graves' disease. This is a prospective study of 15 patients of Graves' disease associated with ophthalmopathic exophthalmos. Preoperative and monthly postoperative evaluation of exophthalmos was done with Hertel's exophthalmometer, apart from documenting lid, extra-ocular muscle and orbital involvement. The minimum follow-up of the cohort was 12 months. The female to male ratio was 12:3 and the mean age of the subjects was 33.4 years (18-55). Exophthalmos was bilateral in 13 and unilateral in 2 patients. All the 15 patients underwent total thyroidectomy without any major morbidity. Exophthalmos regressed in 12 patients at a mean follow-up of 15.6 +/- 6.4 months (14-38) and was static in 3. None of the cases had worsened ophthalmopathy at the final follow-up. Mean regression of exophthalmos was 2.1 mm (1-5). The regression was statistically significant at P value = 0.035. Surgery has a positive impact on the regression of ophthalmopathic exophthalmos associated with Graves' disease. PMID- 29217904 TI - Comparison of the Short-Term Outcomes of Laparoscopic and Open Resections for Colorectal Cancer in Patients with a History of Prior Median Laparotomy. AB - This study aimed to investigate the short-term outcomes of laparoscopic resection in comparison with those of open resection for colorectal cancer in patients with a history of prior median laparotomy (PML). Eighty-seven consecutive patients (87/1121, 7.8 %) with a history of PML who underwent major colorectal cancer resection were enrolled (laparoscopy, n = 40; open, n = 47). The conversion rate to open surgery was 25 % (n = 10). The laparoscopy group had a higher proportion of female patients (57.5 vs. 36.2 %), a lower rate of American Society of Anesthesiologists (ASA) score for physical status of >=3 (7.5 vs. 25.5 %), and a lower pT4 tumor rate (15 vs. 38.3 %) than the open resection group. Regarding the reasons for PML, radical hysterectomy with extended lymphadenectomy for gynecologic cancer was more common (32.5 vs. 4.3 %), but gastrointestinal surgeries, such as gastrectomy and colectomy, were less frequent in the laparoscopy group. Regarding intraoperative outcomes, the laparoscopy group showed a similar operative time (197 vs. 204 min), intraoperative enterotomy rate (2.5 vs. 2.1 %), and bowel resection rate (2.5 vs. 2.1 %) with the open resection group. Regarding postoperative outcomes, the laparoscopy group showed a lower complication rate (20 vs. 40.4 %), significantly reduced time to soft diet (5 vs. 7 days), and shorter hospital stay (12 vs. 18 days). Despite the high rate of open conversion, favorable short-term outcomes were observed in the laparoscopic group. Laparoscopy may be chosen as the primary approach in selected patients with a history of non-gastrointestinal PML (prior abdominal surgery for gynecological cancer). PMID- 29217905 TI - OSCE as a Summative Assessment Tool for Undergraduate Students of Surgery-Our Experience. AB - Traditional examination has inherent deficiencies. Objective Structured Clinical Examination (OSCE) is considered as a method of assessment that may overcome many such deficits. OSCE is being increasingly used worldwide in various medical specialities for formative and summative assessment. Although it is being used in various disciplines in our country as well, its use in the stream of general surgery is scarce. We report our experience of assessment of undergraduate students appearing in their pre-professional examination in the subject of general surgery by conducting OSCE. In our experience, OSCE was considered a better assessment tool as compared to the traditional method of examination by both faculty and students and is acceptable to students and faculty alike. Conducting OSCE is feasible for assessment of students of general surgery. PMID- 29217906 TI - Liquid Paraffin vs Hyaluronic Acid in Preventing Intraperitoneal Adhesions. AB - Adhesion formation after abdominal and pelvic operations remains a challenging problem. Role of adjuvant barriers have been studied but there is no comparative study between liquid paraffin and hyaluronic acid as a barrier method. Hence, we planned to compare the effectiveness of 0.4 % hyaluronic acid and liquid paraffin in the prevention of postoperative intraperitoneal adhesions in rats. This prospective, randomized and controlled study was conducted in 60 adult Wistar albino rats. Surgical trauma by caecal abrasion and 1 g talcum powder was used in the rat model to induce adhesion formation. After trauma, 3 ml normal saline was instilled in the peritoneal cavity in control group (n = 20), 3 ml liquid paraffin was instilled in experimental group A (n = 20) and 3 ml 0.4 % hyaluronic acid was instilled in experimental group B (n = 20). Two weeks after laparotomy, repeat laparotomy was performed and the adhesions were scored according to Zuhlke classification. Liquid paraffin and hyaluronic acid both reduce the extent and grade of adhesions both macroscopically (p = 0.018, p = 0.017) and microscopically (p = 0.019, p = 0.019) respectively. Although there was significant reduction in adhesions by hyaluronic acid at certain specific sites as compared with liquid paraffin, its overall effectiveness in preventing postoperative intraperitoneal adhesions is not significantly different from liquid paraffin (p = 0.092, p = 0.193) respectively. The presence of liquid paraffin and hyaluronic acid in the peritoneal cavity reduce postoperative intraperitoneal adhesions significantly in rats. However, there is no overall significant difference in the effectiveness of two groups. Dosage and safety of these chemicals in human beings remains to be established. PMID- 29217907 TI - Synchronous Breast Cancer and Gallbladder Diseases-A Chromosomal Analysis: A Pilot Study at a Tertiary Care Centre. AB - Out of a total of 50 study-eligible patients, 15 patients were found to have synchronous breast cancer and gallbladder diseases. Fourteen such patients had breast cancer and cholelithiasis while 1 patient had breast cancer with gallbladder cancer. Amongst these 15 patients, 7 patients tested positive for chromosomal aberrations on karyotyping. Aberrations in these patients were seen on chromosomes 13 and 17 with 2 patients having deletion 13q, 2 having deletion 17q, and 2 having deletions on 17p while one patient had multiple deletions on chromosomes 13q and 17p. The patient with multiple aberrations on 13q and 17p had a grade III infiltrating ductal carcinoma (NOS) of the breast with adenocarcinoma of the gallbladder. On the basis of our study and its analysis, we conclude that synchronous breast and gallbladder lesions are common amongst females and the occurrence of one should warn the clinician to search for the other. Also, chromosomal aberrations are common amongst patients with synchronous diseases and since these abnormalities are in the germ line cells, genetic counselling should be offered to the first- and second-degree female relatives. PMID- 29217908 TI - A Novel Method for Pain Relief in Chronic Pancreatitis: an Old Drug in a New Pack: a Controlled Study. AB - Most of pain-relieving agents in chronic pancreatitis are nonspecific and unpredictable. Omeprazole induces hypergastrinemia due to reduced gastric acidity. Raised serum gastrin, in turn, modulates to reduce secretin level. Secretin is responsible for secretion of almost 80 % bicarbonate-rich pancreatic juice from the ductular epithelium without affecting enzyme output. It is a prospective randomized study in patients with CT-confirmed chronic pancreatitis. The control group got the standard care and 60 mg of omeprazole twice daily was added to the test group. Absence of pain relief at 14 days was considered as failure. Pain relief, weight gain and any toxic effect of omeprazole were reviewed at 12 months. One hundred thirty-seven cases were included, with an age range of 19 to 72 years. (mean 42.67). The majority of them were alcoholic males. At 2 weeks, pain relief was noted in 47/69(68.1 %) and 63/65(96.96 %) in the control and omeprazole group, respectively. At the end of 1 year, the omeprazole group had greater weight gain (95 %) than the control group (69.5 %). All the pseudocysts in the omeprazole group and most in the control group resolved. No side effect of omeprazole was seen. The high-dose omeprazole (HDO) group of patients had significantly better pain relief in chronic pancreatitis than those treated with conventional therapy. A high number of cases gained weight in the HDO group than the controlled group. No patient had clinical, endoscopic, biochemical, or haematological toxicity of HDO. More studies are necessary. PMID- 29217909 TI - Predictive Factors for Small Intestinal and Colonic Anastomotic Leak: a Multivariate Analysis. AB - Anastomotic leak (AL) is a serious complication of intestinal surgery with various predisposing factors. This study aims to assess several risk factors associated with AL after small intestinal and colonic anastomoses through a multivariate analysis. Two hundred twenty-four patients (126 males) with intestinal anastomosis of a median age of 44 years were reviewed. Independent factors associated with AL were male gender (OR = 2.59, P = 0.02), chronic liver disease (CLD) (OR = 8.03, P < 0.0001), more than one associated comorbidity (OR = 5.34, P = 0.017), anastomosis conducted as emergency (OR = 2.73, P = 0.012), colonic anastomosis (OR = 2.51, P = 0.017), preoperative leukocytosis (OR = 2.57, P = 0.015), and intraoperative blood transfusion (OR = 2.25, P = 0.037). Predicative factors significantly associated with AL were male gender, CLD, multiple comorbidities, emergent anastomoses, colonic anastomoses, preoperative leukocytosis, and intraoperative blood transfusion. PMID- 29217910 TI - Primary Tubercular Abscess of the Axilla-a Rare Case. AB - Tuberculosis can be broadly classified as pulmonary and extrapulmonary. Though pulmonary tuberculosis is the most common presentation, extrapulmonary tuberculosis is also an important entity. A tubercular cold abscess secondary to involvement of an adjacent bone or suppuration of lymph nodes is a well-known entity; however, a primary cold abscess is rare. We report a case of a young girl who presented with an axillary swelling which turned out to be a primary tubercular abscess of the axilla. To the best of our knowledge, this is the first reported case of a primary tubercular abscess presenting in the axilla. A primary tubercular abscess, though rare, should be considered as a possible diagnosis in appropriate clinical settings backed by evidence of Mycobacterium tuberculosis in form of AFB microscopy, L-J culture, BACTEC culture, or PCR test. PMID- 29217911 TI - Familial Occurrence of Thyroglossal Duct Cyst. AB - Thyroglossal duct cysts are one of the commonest benign midline neck swellings. These are the remnants of the embryologic duct that fails to regress by the 10th week of fetal development. Generally, these are sporadic, slowly enlarging midline neck lumps, with half of them presenting before the age of 30. However, despite their relative frequency, reports of familial inheritance are rare. A review of literature reveals a total of 25 patients from 8 families showing a familial inheritance pattern worldwide. We describe here a 9th family with 5 affected patients taking the total number of cases to 30. Also, this is the 1st such reported case of familial inheritance of thyroglossal cyst from the Asian continent. PMID- 29217912 TI - Laparoscopic Transperitoneal Ureterouretrostomy for Retrocaval Ureter-a Case Report. AB - Retrocaval ureter is a rare developmental anomaly with an incidence of 1 in 1500 births. The inferior vena cava compresses the ureter posteriorly, causing upstream dilatation of the proximal ureter and the kidney. We report a 16-year old girl who presented with right flank pain, diagnosed as retrocaval ureter with ultrasound, intravenous urogram and CECT, and was treated with laparoscopic transperitoneal ureteroureterostomy. Embryological aspects and laparoscopic technical considerations are highlighted in this case report. PMID- 29217913 TI - Aggressive Angiomyxoma of Inguinoscrotal Region Mimicking Inguinal Hernia: a Case Report. AB - Aggressive angiomyxoma (AAM) is a rare mesenchymal tumour of pelvis and perineum, almost exclusively occurring in females. We are reporting a case of a 53-year-old gentleman who presented with a long standing inguinoscrotal swelling misdiagnosed as inguinal hernia, for which he underwent incomplete excision at local hospital and then was referred to our centre for completion surgery. PMID- 29217914 TI - Skin Incision for Port Placement in Laparoscopic Surgery-an Often Forgotten Critical Step! AB - Port placement is the first and one of the most important step in laparoscopic surgeries. However, these incisions for port placement are often placed casually leading to larger or smaller incisions than those required. Larger incisions may lead to problems like oozing from skin incisions, egress of gas used to create pneuomoperitoneum, while smaller incisions lead to difficulty in port introduction and incision site skin necrosis. We describe a simple and novel technique of giving proper sized skin incision to avoid such problems. PMID- 29217915 TI - Innovative Economical Surgical Suture Board. AB - The aim of this study is to develop an economical suture board for practising suturing skills and techniques. Suture boards were made by using local electric boards, small leather patch, four suction buttons, six screws and a hook. These suture boards are multipurpose boards which are economical and available all the time in department for practicing. This board can also be placed in endotrainer for laparoscopic suturing skills. This economical suture board is cheap, easily available and helps in practicing various suturing and knot tying techniques. PMID- 29217916 TI - Hemorrhoid Treatment Needs a Relook: More Room for Conservative Management Even in Advanced Grades of Hemorrhoids. PMID- 29217917 TI - Surgical Checklists: Prevention Is Better Than Cure. PMID- 29217918 TI - Are Countries Fulfilling the Promise They Made to Prevent Non-Communicable Diseases (NCDs)? PMID- 29217919 TI - Attitude of Medical Students towards Psychiatry: The case of Jimma University, Southwest Ethiopia. AB - Background: The inability to attract medical graduates to specialize in psychiatry has always been a serious challenge to psychiatry training programs. Therefore, the aim of this study was to assess the attitude of medical students towards psychiatry. Methods: A comparative cross-sectional survey was conducted among 122 fourth year medical students of Jimma University. The attitude of medical students towards psychiatry was measured by Attitude toward Psychiatry - 30 (ATP-30). The collected Data were analyzed by SPSS version-20 using independent samples t-test plus bivariate and multivariate logistic regression. The level of significance was determined at 95% confidence interval. Results: Medical students who did not take psychiatry clinical rotation had a higher ATP 30 mean score 55.52(+/-15.2) indicating positive attitude towards psychiatry than those who completed psychiatry clinical rotation (mean= 49.75 +/-10.67). Female medical students had significantly more positive attitude towards psychiatry than males (OR=9.23, 95% CI: 2.32; 36.76). Medical students who did not take psychiatry clinical rotation had more positive attitude towards psychiatry than students who completed the psychiatry clinical rotation (OR=7.58, 95% CI: 2.02; 28.37). Subjective experience of mental illness and reported family history of mental illness significantly predicted positive attitude toward psychiatry. Conclusion: The findings suggest that doing psychiatry rotation might have affected the attitude of medical students towards psychiatry. Future research should assess the experiential factors during psychiatry training of medical students that affect their attitudes. Also, future research needs to evaluate the attitudes of fourth year medical students before and after their psychiatry clinical rotation. PMID- 29217920 TI - Correlation between Serum Lipid Profile with Anthropometric and Clinical Variables in Patients with Type 2 Diabetes Mellitus. AB - Background: The problem of dyslipidemia is high in patients with diabetes mellitus. There is ample evidence that abnormalities in lipid metabolism are important risk factors for increased incidence of diabetes associated complications. The most important risk indicators for these complications are lipid profile abnormalities. Therefore, the aim of this study was to assess the correlation between serum lipid profile with anthropometric and clinical variables among type 2 diabetes mellitus patients. Methods: A comparative cross sectional study was conducted at University of Gondar Hospital from February to April in 2015. A total of 296 participants (148 case and 148 healthy controls) were selected using systematic random sampling technique. Socio-demographic characteristics and clinical data were collected using pretested structured questionnaire incorporating the WHO Stepwise approach. Fasting venous blood sample was collected for blood sugar; lipid profile investigations and the blood levels were determined by Bio Systems A25 Chemistry Analyzer (Costa Brava, Spain). Independent sample t-test and Man Whitney U test were used to compare means. P-value < 0.05 was considered statistically significant. Results: Overall, T2DM patients had significantly higher total cholesterol ([205.4+/-50.9vs184.9+/ 44.1]mg/dl), low density lipoprotein ([113.1+/-43.2vs100.1+/-36.4] mg/dl) and triacylglycerol ([189.22+/- 100.9 vs 115.13+/-59.2] mg/dl), and significant decline of high density lipoprotein cholesterol ([56.5+/-20.4vs62.1+/-13] mg/dl) as compared to healthy controls, respectively. Triacylglycerolemia was significantly associated with the risk of cardiovascular disease (AOR: 1.015; 95%CI: 1.010-1.021). Evident correlation was observed between anthropometric and clinical variables with lipid profile. Conclusion: Higher serum levels of fasting blood sugar, total cholesterol, low density lipoprotein cholesterol, and triacylglycerol and lower levels of high density lipoprotein cholesterol are found in type 2 diabetes mellitus patients. Thus, DM patients are more prone to dyslipidemia which is an important risk factor for atherosclerosis and coronary heart disease. PMID- 29217921 TI - Dietary Patterns and Metabolic Syndrome among Type 2 Diabetes Patients in Gaza Strip, Palestine. AB - Background: The prevalence of metabolic syndrome is raising worldwide; however, the role of diet in the origin of metabolic syndrome is not understood well. This study identifies major dietary patterns among type 2 diabetes mellitus patients with and without metabolic syndrome; and its association with metabolic syndrome components in Gaza Strip, Palestine. Methods: This cross sectional study was conducted among 1200 previously diagnosed type 2 diabetes mellitus (both genders, aged 20 - 64 years) patients receiving care in primary healthcare centers in Gaza Strip, Palestine. Metabolic syndrome was defined based on the International Diabetes Federation criteria; dietary patterns were evaluated using a validated semi-quantitative food frequency questionnaire. Statistical analysis was performed using SPSS version 20. Results: Two major dietary patterns were identified by factor analysis: Asian-like pattern and sweet-soft drinks-snacks pattern. After adjustment for confounding variables, patients in the highest tertile of the Asian-like pattern characterized by a high intake of whole grains, potatoes, beans, legumes, vegetables, tomatoes and fruithad a lower odds for (Metabolic syndrome, central obesity, high triglycerides, low HDL cholesterol and high blood pressure), (OR 0.766 CI 95% (.642-.914)), (OR 0.797 CI 95% (.652 .974)), (OR 0.791 CI 95% (.687-.911)), (OR 0.853 CI 95% (.743-.978)) and (OR 0.815 CI 95% (.682-.973)) respectively, (P value < 0.05 for all). No significant association was found between the sweet-soft drinks-snacks pattern with metabolic syndrome and its components. Conclusion: The Asian-like pattern may be associated with a lower prevalence of metabolic syndrome and its components among type 2 diabetes patients. PMID- 29217922 TI - Effect of Solanum Nigrun on Uterus of Non-gravid Rats. AB - Background: Solanum nigrum is a widely used plant in oriental medicine where it is considered to be antioxidant, anti- inflammatory and diuretic. This study aimed to evaluate the effect of Solanum Nigrum on uterine contractions. Method: Female Wistar Wister albino rats were used for the study. They were housed in a single large cage in an atmospheric controlled environment. Twenty-four hours before every experiment, 0.2 mg/kg of diethylstilbesterol constituted in 1:1 ethanol/water solution, was administered intraperitoneally as a pre-treatment to the rats to induce oestrus. It was done for two weeks during the study period. The phytochemical analysis was carried out to test for the phytochemical constituent of the plant. Result: The result showed that the extract inhibited the release of intracellular calcium ion. The effect of acetylcholine was significantly inhibited by the extract that is at 200mg/ml (p>0.05) and 300 mg/ml (p<0.01). The highest mean inhibitory effect of the extract observed on acetylcholine induced contractions was 90.54 +/- 1.15. The oxytocin induced contraction was significantly inhibited by the extract at 200 mg/ml (p<0.05) and at 300 mg/ml (p<0.001) doses respectively. The highest mean inhibitory effect of the extract observed on Oxytocin induced contractions was 41.10+/-1.02 and was significantly stronger compared with acetylcholine induced contractions. Conclusion: The aqueous extract of Solanum nigrun inhibited the activity of oxytocin on the uterus, and it may possess relaxant activity. PMID- 29217923 TI - Enhancing Personal Hygiene Behavior and Competency of Elementary School Adolescents through Peer-Led Approach and School-Friendly: A Quasi-Experimental Study. AB - Background: Recent studies showed that poor personal hygiene practices play a major role in the increment of communicable disease burden in developing countries. In Ethiopia, 60% of the disease burden is related to poor sanitation practices. This school based study was aimed to assess the effectiveness of school-friendly and peer-led approach in improving personal hygiene practices of school adolescents in Jimma Zone, Southwest of Ethiopia. Methods: A total of 1000 students from 10 to 19 years were included into the study. The intervention was done using peer-led approach, health clubs and linking the school events with parents. Data were collected at baseline, midline and end-line using structured questionnaires. Repeated measurement analysis was done and statistical significance was considered at alpha 0.05. Results: The findings of this study indicated that there was a significant difference in personal hygiene practices and knowledge between the intervention and control groups (P<0.001). A significant difference was also observed with the duration of time in the intervention schools (P<0.05). The proportion of adolescents who reported illness before the baseline survey was significantly high among the intervention schools (P<0.01). However, at midline of the survey, the proportion of self-reported illness was significantly high among the control group(P<0.001). Conclusion: The findings of this study showed that there was a significant improvement in personal hygiene knowledge and practice of students in the intervention schools. Therefore, there is a need for proper health education intervention through the framework of schools for the students to improve their personal hygiene knowledge and practices. PMID- 29217924 TI - Types of Cancers Diagnosed and the Preference of Families of Adult Patients with Cancer about Disclosing Diagnosis to the Patients. AB - Background: Cancer has become one of the top causes of death in developing nations killing more people than the common infectious diseases do. For several reasons, disclosing cancer diagnosis to the patient is a challenging job for physicians and family members. Materials and Methods: A cross-sectional study was done to determine the common cancer diagnosis and the preference about disclosing cancer diagnosis to the patients among attendants of adult cancer patients seen at the regular surgical OPD of St. Paul's Hospital Millennium Medical college (SPHMMC) in June 1-31st 2015. Medical records of the patients and face-to-face interview with attendants were used to generate the data and analysis was done with SPSS version 19.0. Results: A total 112(7.3%) patients were diagnosed to have cancer and 104 attendants (93%) were interviewed. The mean age of the patients was 48.2 years, Females made up 59% of the patients. The commonest cancer diagnosed was breast cancer. Male (62.7%) and children (36.1%) were the main attendants. Only 56.6% of the attendants agreed that patients should be the first to know diagnosis results. When possible, 84.3% preferred to hide diagnosis. Although 81.3% attendants did not like diagnosis disclosure to the patient, all of them wanted to know the diagnosis if they develop cancer. Nearly all, 98.8%, of the attendants preferred to hear the diagnosis from their doctors. Conclusions: Cancer is a relatively common diagnosis occurring at a younger age. The rate of cancer diagnosis disclosure acceptance and practice by attendants was low. Population-based and multicentre study with a larger sample size is recommended to define the condition better. PMID- 29217925 TI - Prevalence and Factors Associated with Pelvic Organ Prolapse among Pedestrian Back-Loading Women in Bench Maji Zone. AB - Background: It is common to see women carrying heavy loads on their back in developing countries including Ethiopia. This may have an effect on pelvic organ prolapse. The objective of this study was to determine prevalence and factors associated with pelvic organ prolapse among pedestrian back-loading women in Bench-MajiZone, 2016. Methods: The study was conducted in Bench-MajiZone, Southwest Ethiopia, from January to March 2016. Cross-sectional study design was employed. The sample size was calculated to be 422. Women were selected by using convenientsampling technique. Interviewer-administered questionnaire was used to collect data. Binary logistic regression was used to determine factors associated with pelvic organ prolapse. Results: Fifty-six (13.3%)of the study participants had pelvic organ prolapse. The likelihood of pelvic organ prolapse was higher among women whose ages were between 31-40 years (AOR= 6.88: 95% CI 1.68, 28.23), 41-50 years (AOR= 11.10: 95% CI 2.54, 48.49) and above 50 years (AOR= 35.42: 95% CI 6.94, 180.85) as compared with those who were less than 30 years. The likelihood of pelvic organ prolapse was also higher among those whose BMI was less than 18.5 (AOR= 2.37: 95% CI 1.25, 4.51) and duration of work greater than 10 years (AOR= 4.01: 95% CI 1.81, 8.89). Conclusion: The prevalence of pelvic organ prolapse was high. Age, BMI and duration of work were significantly associated with pelvic organ prolapse. Urgent attention is needed from concerned bodies. PMID- 29217926 TI - The Association between Physical Activity and the Metabolic Syndrome among Type 2 Diabetes Patients in Gaza Strip, Palestine. AB - Background: Metabolic syndrome is a major health problem worldwide. Globally, the World Health Organization identified physical inactivity as the fourth leading risk factor for mortality. This study was conducted to evaluate the association between physical activities and metabolic syndrome and diabetes complications among type 2 diabetes patients in Gaza Strip, Palestine. Methods: This cross sectional study was conducted among 1200 previously diagnosed type 2 diabetes mellitus patients (from both genders, aged 20 to 64 years) receiving care in the primary health care centers. Metabolic syndrome was defined based on the International Diabetes Federation criteria. The International Physical Activity Questionnaire was used to measure physical activity. Statistical analysis was performed using SPSS version 20. Results: A significant inverse association was found between inactive patients and metabolic syndrome. In our study, 93.7% of inactive patients, 66.4% of active patients and 23.5% of very active patients had metabolic syndrome (OR .048 CI 95% (.03-.072)), (OR .787 CI 95% (.59-1.03)) and (OR 15.9 CI 95% (11.8-21.3)) respectively. Our results showed a significant inverse association between physical activity levels and anthropometric measurements in both gender. Moreover, a significant association was found between physical activity levels and triglycerides, HDL-cholesterol and blood pressure in both sexes (P value < 0.05 for all) and diabetes complications (P value < 0.05 for all). Conclusion: We conclude that low levels of physical activity are associated with increased prevalence of metabolic syndrome. Furthermore, inactive patients had a high percentage of diabetes complications among type 2 diabetes patients in Gaza Strip, Palestine. PMID- 29217927 TI - Magnitude and Factors Associated With Post-Cesarean Surgical Site Infection at Hawassa University Teaching and Referral Hospital, Southern Ethiopia: A Cross sectional Study. AB - Background: Surgical site infection (SSI) after cesarean section (CS) increases maternal morbidity, hospital stay and medical cost. However, in Ethiopia, limited evidence exists regarding the magnitude and risk factors of post-CS wound infection. The purpose of this study was to determine the prevalence of - and factors associated with the problem among mothers who gave birth in Hawassa University Teaching and Referral Hospital, Southern Ethiopia. Methods: Hospital based cross-sectional study was conducted based on the medical records of 592 women who underwent CS from June 2012 to May 2013. Data on the occurrence and factors associated with SSIs were extracted. Factors associated with SSI were identified using multivariate logistic regression analysis. The output of the analysis is presented using adjusted odds ratio (OR) with the corresponding 95% confidence interval (CI). Results: The prevalence of SSI was 11.0% (95% CI: 8.6 13.8%). Mothers with prolonged labor (6.78, 95% CI: 2.54-18.00) and prolonged rupture of membrane (5.83, 95% CI: 2.14-15.89) had significantly increased odds of SSI. Compared to mothers who had no digital vaginal examination, those who had 1-4 and 5 or more examinations were at higher risk with OR of 2.91 (95% CI: 1.21 6.99) and 8.59 (95% CI: 1.74-42.23), respectively. Prolonged duration of surgery (12.32, 95% CI: 5.46-27.77), wound contamination class III (9.61, 95% CI: 1.84 50.06) and postoperative anemia (2.62, 95% CI: 1.21-5.69) were also significant predictors. CS conducted by junior practitioners is likely to be followed by infection. Conclusion: Post-CS SSI is relatively common in the hospital. Thus, it should be averted by implementing infection prevention techniques. PMID- 29217928 TI - Determinants of Skilled Care Utilization among Pregnant Women Residents in an Urban Community in Kwara State, Northcentral Nigeria. AB - Background: Skilled attendant at delivery (SBA) is one of the key indicators used in assessing progress towards improved maternal health. This study aimed at identifying factors influencing SBA utilization in Ilorin, Nigeria. Methods: This cross-sectional study was carried out using multi-stage sampling technique among 400 participants in Ilorin, Northcentral Nigeria. A pre-tested questionnaire was used for data collection, and data analysis was done using descriptive and inferential statistics. Results: SBA supervised 73.8% births. Determinants of skilled birth attendance at delivery include higher education (AOR; 10.94, 95% CI; 3.60-33.26), having only one child (AOR; 4.33, 95% CI; 1.18-15.82), having at least 4 ANC attendance (AOR; 18.84, 95% CI; 8.95-55.82) and residing near delivery sites (AOR; 11.49, 95% CI; 2.43-55.56). Conclusion: The proportion of births supervised by SBA needs improvement in Northcentral Nigeria. Full implementation of reproductive health policies will enhance skilled births in Nigeria. PMID- 29217929 TI - Maternal vitamin D deficiency: A Culprit for Hypocalcaemia Induced Myocardial Failure in a Four-Month Old Infant: A Case Report From Tikur Anbessa Specialized Hospital, Ethiopia. AB - Background: A rare but reversible cause of dilated cardiomyopathy occurs in infants born to vitamin D deficient mothers due to hypocalcaemia. Case Report: We report a case of dilated cardiomyopathy due to hypocalcaemia secondary to maternal vitamin D deficiency in an infant presented with seizure disorder and heart failure. This was a four-month old female infant with respiratory distress and acute heart failure. The cause of her cardiac failure was dilated cardiomyopathy. Concomitant community acquired pneumonia was diagnosed on chest X ray. Despite treatment, the infant's clinical condition worsened. The mother was found to be house-bound, dark skinned and veiled while going outside of home. Laboratory studies revealed hypomagnesaemia and hypocalcaemia. The vitamin D levels of both the infant and the mother were found to be low. The infant was treated for the deficiency state until her cardiac condition fully recovered. Conclusion: This case report demonstrated the direct relationship between maternal vitamin D deficiency and the infant's acute heart failure. It also highlighted the importance of vitamin D supplementation during pregnancy in order to prevent the cardiac complication of maternal vitamin D deficiency in the infants. PMID- 29217930 TI - Symptomatic Cholilithiasis and Cholecystectomy for a 9-Month-Old Infant: A Case Report. AB - Background: Symptomatic cholilithiasis is rare in children. Thus, a high degree of suspicion is required for diagnosis. Once a child is diagnosed with symptomatic cholilithiasis, cholecystectomy is required to relieve the symptoms and prevent complication. Case Details: A 9-month-old infant from Addis Ababa presented to the Pediatric Department of ZewdituMemorial Hospital on January 30, 2015 with irritability, abdominal pain. On workup, she was found to have gall stones, and her condition was at last attributed to biliary colic after months of follow-up in the Department of Pediatrics. She underwent cholecystectomy on the 31st of July 2015 and discharged with improved results. This is the first report of symptomatic cholilithiasis and cholecystectomy in Ethiopia at 9 months of age. Conclusion: Cholilithiasis is rare in infants, and one should have a high index of suspicion for diagnosis. Cholecystectomy should be done as in adults if symptomatic. PMID- 29217931 TI - Hyper Parathyroidisim Jaw Tumor Syndrome: A Rare Condition of Incongruous Features. AB - Background: Hyperparathyroidism-Jaw Tumor (HPT-JT) syndrome is a rare genetic disorder bearing both a germline and a somatic CDC73 mutation (formerly known as HRPT2), which has been mapped to chromosome 1q25-q31. The association of jaw ossifying fibroma with primary hyperparathyroidisim (PHPT) is typical of HPT-JT. It may also include cystic and neoplastic renal abnormalities and uterine tumors. Case Details: Here, we report a case of HPT-JT with an initial presentation of declination in reproductive fitness. Extensive literature search and thorough investigation helped us parturitate the underlying syndrome, thereby predictively improving the prognosis. Conclusion: The features of HPT-JT are clinically difficult to ascertain because the parathyroid disease, ossifying fibroma in the jaw and other abnormalities, often occurs asynchronously and may be diagnosed and treated separately. PMID- 29217932 TI - Why is the Under-5 Mortality Rate in Ethiopia Slipped Back? PMID- 29217933 TI - Data Sharing Statements for Clinical Trials: A Requirement of the International Committee of Medical Journal Editors. PMID- 29217934 TI - The Prevalence of Antibiotic Resistant Diarrhogenic Bacterial Species in Surface Waters, South Eastern Nigeria. AB - Background: This study assessed the bacteriological qualities of surface waters in Afikpo, between April and September 2016. Methods: Surface water samples were collected from three streams for bacteriological analysis. Bacteria species were isolated using standard microbiological and biochemical techniques. Antibiotic susceptibility study was carried out using Kirby Bauer disc diffusion method. Results: The result of the mean heterotrophic bacteria count from the streams showed that Okpu stream had 209.5CFU/100 mL, Ohino Ngodo 162.5 CFU/100mL, and Ngwogo stream 162.0 CFU/100mL respectively. Out of the twenty-six (26) isolates obtained, E. coli and Staphylococcus species had the highest percentage occurrence (23.1%) respectively. Klebsiella, Shigella and Enterobacter sp had (11.5%) each, Pseudomonas spp (7.7%), while Salmonella and Streptococcus sp had the least percentage occurrence of (3.8%). The antibiotic susceptibility studies showed that large proportions of isolates were resistant to sulphamethaxoid (SUL), cephalothin (CEP), tetracycline (TET), penicillin G (PEN), oxytetracycline (OXY), cefotaxime (CEF), nalidixic acid (NAL) and cefuroxime sodium (CXM). The most effective antibiotic was azithromycin followed by imipenem. Conclusion: The presence of these multi-drug resistant strains in water samples could facilitate transmission of antibiotic resistance. This emphasizes the need for proper treatment of water in the study area. PMID- 29217935 TI - Bronchoscopy in Nigerian Clinical Practice: A Survey of Medical Doctors' Perception, Use and Associated Challenges. AB - Background: Bronchoscopy is a vital diagnostic and therapeutic procedure in pulmonological practice. The aim of this study was to determine the perception, use and challenges encountered by Nigerian medical doctors involved in this procedure. Materials and Methods: A cross-sectional study was conducted among 250 medical doctors recruited from three major tertiary institutions in Nigeria between September 2013 and June 2014. A semi-structured questionnaire was self administered to adult physicians, paediatricians, and surgeons as well as their trainees to obtain their perception, use and associated challenges in the use of bronchoscopy in clinical practice. Results: The majority (91.6%) of the respondents perceived bronchoscopy as a beneficial procedure to respiratory medicine. However, 59.2% of them were not aware of the low mortality rate associated with this procedure. The commonest indications for bronchoscopic use were foreign body aspiration (88.8%) and management of lung tumors (75.6%). Only 21 (8.4%) of the respondents had received formal training in bronchoscopy. Very few procedures (1-5 cases per month) were performed. The respondents identified the lack of formal training in the art of bronchoscopy as the foremost challenge facing its practice in Nigeria. In addition, availability of bronchoscopes, level of awareness, knowledge of the procedure among medical doctors and the cost of the procedure were the challenges faced by the medical doctors. Conclusion: There is an urgent need to equip training centers with modern bronchoscopic facilities. In addition,well-structured bronchoscopic training programme is imperative to enhance the trainees' proficiency for the furtherance of bronchoscopic practice. PMID- 29217936 TI - Utilization of Primary Health Care Services in Jaba Local Government Area of Kaduna State Nigeria. AB - Background: Primary health care was designed to provide accessible health care for all. However, most primary health care facilities are in various states of disrepair, catering for less than 20% of potential patients in the population. This study was designed to investigate the utilisation of primary health care services in Jaba Local Government Area of Kaduna State Nigeria. Methods: The study employed a cross-sectional study design conducted among 383 respondents utilising simple random sampling techniques. A pretested semi-structured questionnaire was administered to obtain information from respondents, while descriptive statistics was used to analyse the data. Results: The results show that almost all of the respondents, 333(97.90%), were aware of the existence of primary health care services in their community. Furthermore, the majority of the respondents, 304(89.40%), utilized primary health care services while 293(86.20%) and 212(62.40%) were satisfied with the amount of charges for services and the supply of drugs respectively. According to the respondent, weak services in primary health care includes; personal hygiene and nutritional education, management of chronic diseases and cancer screening. Factors that influence the utilization of primary health care services according to the respondents were availability of trained personnel (AOR=1.828 95% CI=0.410-1.672), attitude of staffs (AOR=1.114 95% CI=0.527-2.355), waiting times (AOR=1.110 95% CI=0.584 2.224) and availability of diagnostic services (AOR=0.951 95% CI=0.472-1.918). Conclusion: The study highlighted the weaknesses in some of the services offered at the various primary health centres and the factors which can hinder the residents from patronizing primary health care services. PMID- 29217937 TI - Are Past Adverse Pregnancy Outcomes Associated with Maternal Anxiety and Depressive Symptoms in a Sample of Currently Pregnant Women? AB - Background: There has been a great deal of concern about the mental health of women whose pregnancies involve miscarriage, termination of a pregnancy (ToP), child death or where a child has been given up for adoption. Despite this concern there has been remarkably little population-based research which has addressed the long-term consequences of pregnancy loss and child death. This study investigated the maternal mental health consequences of women whose pregnancies involve miscarriage, ToP, child death or where a child has been given up for adoption at two different time points, adjusting for socio-demographic characteristics and baseline mental health. Methods: The Mater-University of Queensland Study of Pregnancy is a prospective pre-birth cohort study. Women were recruited early in pregnancy over the period 1981 to 1983 at their first antenatal clinic visit (FCV). Women were interviewed again at the 14-year follow up. Data from 4403 mothers were analysed using maternal reports of a prior history of giving a child up for adoption, miscarriage, ToP, and neonatal, infant and/or child deaths. Symptoms of maternal anxiety and depression were measured at FCV and the 14-year follow-up using the Delusions-Symptoms-States Inventory. We carried out logistic regression analysis using Stata 13. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to display the findings. Results: A prior miscarriage was associated with anxiety (adjusted OR (AOR) = 1.30; 95% CI: 1.10-1.66) and depressive (AOR = 1.70; 95% CI: 1.21-2.39) symptoms at the 14-year follow-up. Having had a neonatal, infant and/or child deaths was associated with symptoms of depression at 14-year follow-up (AOR = 2.12; 95% CI: 1.06-4.25). Conclusion: The period after a child loss which involves a new pregnancy may be associated with relatively good mental health despite the fact that some mothers have experienced previous adverse pregnancy outcomes. PMID- 29217938 TI - Sociodemographic Correlates of HIV Discordant and Concordant Couples in Anambra State, Nigeria. AB - Background: The contribution of discordant partnerships to the burden of HIV/AIDS is significant. An understanding of the characteristics of HIV-affected couples will help modify preventive strategies. The aim of this study was to compare the HIV discordant and concordant partnerships for sociodemographic determinants in comprehensive health centers in Anambra State, Nigeria. Methods: This was an institution based case-control study of 289 (148 HIV-concordant and 141 HIV discordant) couples, selected using multistage sampling technique. Data collection was done through nterview using semi-structured questionnaire, while analysis was performed with Statistical Package for Social Sciences version 22.0. Chi-square and t tests were used to identify statistically significant associations between variables. Significance level was set at p value of <= 0.05. Results: There were more HIV-discordant positive males 83(28.6%) than females 58(20.1%) (p = 0.043). The mean age (SD) of respondents was 37.8(9.8) years. Concordant couples tended to be younger than discordant couples, with differences in mean ages of 2.41 years (p = 0.028) for males and 2.87 years (p = 0.007) for females. There were no significant differences in proportion of remarriages (p = 0.625) and type of marriage (p = 0.900). The majority of remarriages among discordant couples 15(65.2%), were due to divorce of previous spouses (p = 0.054). Conclusions: This study found that there were more HIV positive males than females among discordant couples; females in discordant relationships were generally younger than their concordant counterparts. Concordant couples tended to be younger than discordant couples. Such knowledge should be factored in designing novel couple-targeted preventive strategies. PMID- 29217939 TI - Client-Centeredness of Family Planning Services in a Resource Limited Setting. AB - Background: Clients' needs and their satisfaction are priority issues in studying quality in reproductive health services. However, only 24-37% of Ethiopian women were informed about the available family planning methods and their utilization. High national total fertility rate (4.8) and low contraceptive prevalence rate (29%) might be attributed to these and other reasons. This study assessed the level of client-centeredness of family planning services and their determinants in public health facilities of Bahir Dar Town, Northwest Ethiopia. Methods: Exit interviews of 326 consecutively enrolled clients were conducted using structured questionnaire. Thirty consultation sessions were observed using a checklist to record client-provider interaction. The outcome variable was client centeredness as measured by perceived informed choice with perceived client-provider interaction as the intermediate variable. Results: The average levels of perceived informed choice and client provider interaction were 70.0% and 67.6%, respectively. Perceived clinical competence of providers, perceived integration and coordination of care, perceived accessibility of services, perceived participation of families and friends in care delivery, perceived physical comfort of the facilities and type of the health facility were the independent predictors of perceived client provider interaction. Perceived degree of client provider interaction, perceived clinical competence of providers, type of health facility and perceived accessibility of services were independent predictors of perceived informed choice (p<=0.01). Conclusion: Client-centeredness of family planning services, as measured by clien-provider interaction and informed choice was not sufficiently assured in the study facilities. PMID- 29217940 TI - Audit of Oral Histopathology Service at a Nigerian Tertiary Institution over a 24 Year Period. AB - Background: Biopsies are often essential for definitive diagnosis of oro-facial lesions and are a part of oral diagnostic procedures carried out in histopathology laboratories. At present, there is paucity of literature on the audit of oral histopathology services in Nigeria. The objectives of this study were to determine the prevalence of biopsied oral lesions in a Nigerian tertiary institution. Also to profile the usage of oral pathology service and to identify challenges that may be present in an oral histodiagnostic service. Methods: This was a retrospective study performed at the Oral Pathology Department of the University of Ibadan/ University College Hospital, Ibadan, Nigeria. Reports of all biopsies submitted at the Oral Pathology laboratory, for the period 1990 2014, were reviewed and data extracted. Descriptive analysis was done using SPSS software, version 20. Results: The total number of reports was 1,998; invalid reports constituting 220(11%) were subsequently excluded leaving 1,778(89%) valid reports. The mean age of patients was 36.70+/-19.79, while the peak age of presentation was in the 3rd decade. Male to female ratio was 1:1.1, and the mandible was the most common site of lesions 619(34.8%). These services were mainly utilized by oral surgeons (83.9%) and ameloblastoma (11.5%) was the most frequently diagnosed lesion. CD45 (16.7%) was the most frequently requested immuno-diagnostic test. Conclusion: Biopsied oral lesions were more prevalent in females, while oral and maxillofacial surgeons utilized these services the most. Inadequate biopsy specimens or unrepresentative specimens and deficient documentation were challenges identified in this study. PMID- 29217941 TI - Intestinal Obstruction in Early Neonatal Period: A 3-Year Review Of Admitted Cases from a Tertiary Hospital in Ethiopia. AB - Background: Failure to pass meconium by a full-term neonate within the first 24 hours should raise a suspicion of bowel obstruction. The objective of this study was to determine pattern of presentation, diagnosis and outcome of management of intestinal obstruction in the early neonatal period in the Neonatal Care Unit of Tikur Anbessa Specialized Hospital in Addis Ababa, Ethiopia. Methods: Retrospective chart review of admitted cases from January 2011 to December 2013 was done. Data were entered into SPSS software version 20. Descriptive analysis of data were done at first; then cross tabulation of variables with chi-square tests were done. Results: Fifty-one (41 males and 10 females) cases of neonatal intestinal obstructions were described. ARM was the most common type of intestinal obstruction followed by intestinal atresia and Hirschsprung's disease.Delayed diagnosis of cases was observed in 72%. Associated congenital anomalies were documented in 13 % of the cases. Death occurred in 20% of the cases. One or another form of infection accounted for 90% of the deaths. Neonatal sepsis and being unfit for anesthesia were determinants of mortality with p-value <0.02 and < 0.0007 respectively. Conclusion: Anorectal malformation is the commonest cause of early neonatal obstruction followed by small intestinal atresia and Hirschsprung's disease. Low number of associated anomalies has been reported. High rate of death due to preventable causes such as sepsis is observed. Delayed diagnosis of cases were also prevalent. PMID- 29217942 TI - The Association between Fruit and Vegetable Intake and Liver Enzymes (Aspartate and Alanine Transaminases) in Tehran, Iran. AB - Background: Intake of fiber and antioxidants and following hypocaloric diets has beneficial effects on reduction of the liver enzymes. Fruits and vegetables are low in calorie and rich in fiber and antioxidants. There are few studies about special dietary effects on liver function. The aim of this study was to evaluate the association between fruit and vegetables intake and liver function enzymes. Methods: This cross-sectional study was conducted on 265 Tehrani healthy adults. Fruit and vegetable intake was assessed by a 147-items semi-quantitative food frequency questionnaire. Serum glucose, lipids, liver enzymes (alanine aminotransferase (ALT), aspartate aminotransferase (AST)), hs-Crp and body composition were measured in a fasting state. Results: The mean age (+/- SD) of the participants was 35 +/- 8.78. In the higher quartiles of vegetable intake, low-density lipoprotein (LDL) serum and total cholesterol (TC) levels were lower after adjusting for confounders (p = 0.03 and 0.02 respectively). Individuals in the upper quartile of vegetable intake were less likely to have elevated ALT (OR=0.21; 95% CI =0.08-0.49) and AST (OR=0.33; 95% CI =0.15-0.75) levels before adjusting for confounders. After controlling for potential confounders, only the association between vegetable intake and ALT level remained significant (OR=0.32; 95% CI =0.12-0.90). Liver enzymes had no significant relationship with the quartiles of fruit intake. In the higher quartiles of fruit intake, the visceral fat rating was lower after adjustment (p = 0.04) but not in the higher vegetable intake (p = 0.50). Conclusions: The results of this study showed that vegetable intake is reversely associated with LDL, TC and ALT level in Tehrani healthy adults, whereas fruit intake is only associated with lower visceral fat rating. PMID- 29217943 TI - Intestinal Parasitosis and Their Associated Factors among People Living with HIV at University of Gondar Hospital, Northwest-Ethiopia. AB - Background: Most HIV clients die of AIDS related intestinal parasitic infections rather than due to the HIV infection itself. Therefore, this study was aimed at determining the prevalence of intestinal parasite and their associated factors among HIV/AIDS clients at the University of Gondar Hospital, Northwest Ethiopia. Methods: Institution based cross sectional study was conducted using systematic random sampling technique from March to May 2016. A semi-structured questionnaire was used to collect data. Stool samples were collected and processed using direct wet mount, formol-ether concentration and modified Ziehl-Neelson staining techniques. Besides, blood samples were collected for CD4+ count estimation. Both descriptive and logistic regression analyses were used in data analysis. P-values <0.05 were considered as statistically significant. Results: A total of 223 participants were enrolled in this study, and the prevalence of intestinal parasitosis was found to be 29.1%. The most predominant intestinal parasite detected was cyst of Entamoeba histolytica (8.5%) followed by Ascaris lumbricoides (6.7%), Strongyloides sterocoralis (3.6%) and Cryptosporidium parvum (3.1%), whereas Schistosoma mansoni (0.9%) and Hymenolepis nana (0.9%) were the least detected. Absence of toilet (AOR= 19.4, CI: 6.46-58.3), improper hand washing before meal (AOR=11.23, 95% CI: 4.16-30.27 and CD4+ count < 200 cells/mm3 (AOR=33.31, 95% CI: 9.159-121.149) had significant association with prevalence of intestinal parasites. Conclusion: The study indicated that intestinal parasites are still a problem among HIV/AIDS patients in the study area. Thus, routine examination for intestinal parasites and interventions should be carried out for better management of clients. PMID- 29217944 TI - Analysis and Economic Implication of X-Ray Film Reject in Diagnostic Radiology Department of Jimma University Specialized Hospital, Southwest Ethiopia. AB - Background: Patients usually undergo repeated X-ray examinations after their initial X-ray radiographs are rejected due to poor image quality. This subjects the patients to excess radiation exposure and extra cost.It is therefore investigating the magnitude and causes of reject is mandatory. This study aimed to assess the reject rate of X-ray films and its economic implication in order to obtain information for further recommendations on image quality, cost and radiation exposure. Method: A cross-sectional study approaches was employed. Reject rate was measured for two x-rays in the department across all plain x-ray films examinations using a structured format on which relevant data for reject were recorded by investigators. The results were then collected and entered into a database for analysis. Result: Reject rate and cause of reject were measured across all plane x-ray examinations for the hospital. From a total of 6563 exposed films, 16.85% were rejected. This leads to economic waste of 24,721.99 ETB, or 17.8% of a total cost in 4month period and increase in radiation dose to both patients and staff. Conclusion: The findings from this study show that both the overall reject rate and individual reject rate were higher than the accepted range which could be due to machine fault, operator's technical limitations, or absence of quality control program in the department. We recommend that regular quality assurance and quality control procedure which are well documented should be established in the department. PMID- 29217945 TI - A 3-Year Review of the Outcome of Pars Plana Vitrectomy for Dropped Lens Fragments after Cataract Surgery in a Tertiary Eye Hospital in Dhaka, Bangladesh. AB - Background: Dropped lens fragments into the vitreous are uncommon, but potentially sight threatening complications of cataract surgery. The recommended approach for removal of dropped lens matter is pars plana vitrectomy with or without ultrasonic emulsification with the fragmatome. This study aimed to determine the visual outcome following pars plana vitrectomy for dropped lens fragments complicating cataract surgery at 6 weeks, 3 months and 6 months. Methods: This study is a retrospective review of patients who had PPV as treatment for dropped lens fragments complicating cataract surgery at Ispahani Islamia Eye hospital and Institute. The case notes of all patients who had PPV for dropped nucleus from January 2013 to December 2015 were reviewed. Information retrieved included the bio-data of the patients, clinical features such as visual acuity, intraocular pressure, cornea clarity, presence of anterior chamber activity, Lens status and fundus findings at presentation, 6 weeks, 3 months and 6 months post surgery. Details of intra ocular procedure (Cryotherapy, Endo laser, Silicon oil or gas tamponade) in addition to PPV were noted. Result: Thirty-two cases were reviewed within the 36-month time period. There were 8(25%) females and 24(75%) males. Male to female ratio was 1:3. The best corrected visual acuity of patients at presentation was better than or equal to 6/60 in 56.3% of the patients. Dropped nucleus occurred during phacoemulsification cataract surgery in the majority (59.6%) of the patients. The best corrected visual acuity was 6/18 or better in 10(31.3%) eyes at 6 months post-surgery. Worsening of visual acuity to light perception occurred in 3(9.4%) eyes at 6 months, and 3 eyes (9.4%) developed phthisis bulbi. Conclusion: Modest improvement in visual acuity can be achieved after dropped nucleus complicating cataract surgery by Pars plana vitrectomy and removal of dislocated lens fragment. PMID- 29217946 TI - Association of Helicobacter Pylori with Presence of Myocardial Infarction in Iran: A Systematic Review and Meta-Analysis. AB - Background: Over the past decade, cardiovascular diseases have been recognized as the leading cause of mortality worldwide. Myocardial infarction (MI) is one of the most prevalent types of cardiovascular diseases that is caused by the closure of coronary arteries and ischemic heart muscle. Numerous studies have analyzed the role of H. pylori as a possible risk factor for coronary artery diseases, in most of which the role of infection in coronary artery disease is not statistically significant. Methods: These contradictory findings made us conduct a systematic review to analyze all relevant studies in Iran through a meta analysis and report a comprehensive and integrated result. All published studies from September 2000 until September 2016 were considered. Using reliable Latin databases like PubMed, Google Scholar, Google search, Scopus, Science Direct and Persian databases like SID, Irandoc, Iran Mede and Magiran. After quality control, these studies were entered into a meta-analysis by using the random effects model. After evaluating the studies, 11 papers were finally selected and assessed. Results: A total of 2517 participants had been evaluated in these studies, including 1253 cases and 1264 controls. Based on the results of meta analysis and using random effects model, an overall estimate of OR Helicobacter Pylori with Presence of Myocardial Infarction in Iran was OR=2.53 (CI=1.37-4.67). Conclusions: The results of this review study show that H. pylori are associated with the incidence of MI so that the odds ratio of MI in the patients with helicobacter pylori is twice greater than that of the people without H. pylori. Future studies are recommended to evaluate the mechanisms associated with relation of H. pylori with MI as well as its association with time. PMID- 29217947 TI - Coexistence of Peripheral Spondyloarthritis and Familial Adenomatous Polyposis: A Rare Case Report with Treatment Contradictions and Review of the Literature. AB - Background: The coexistence of familial adenomatous polyposis and spondyloarthritis is rarely defined in literature. The primary aim of this presentation is to report a development of peripheral arthritis in 3 years following colon surgery with the diagnosis of familial adenomatous polyposis (FAP). The secondary aim is to discuss the challenge of in treatment of refractory arthritis, which needs to be treated with biologics. However, it is not yet known well about their safety on patients who have risks for cancer development. Case Details: A 25-year-old female patient was admitted to the rheumotology outpatient clinic. The patient had undergone total colectomy and ileoanal anastomosis because of FAP three years ago. On her physical examination, there was arthritis on her left ankle and enthesitis on both Achilles tendons. Conclusion: This case report presents a 25-year-old female patient with Ankylosing spondylitis (AS) and FAP whose treatment with biologics is critical due to the risk of cancer development due FAP. Although the potential risk of development of malignancies with TNF-blocking therapy seems to be no more than TNF-naive patients and general population. But the safety of these drugs on patients with risks for cancer development is still unknown. PMID- 29217948 TI - Is the Malaria Elimination Target Achievable? PMID- 29217949 TI - The Effect of Psychosocial Factors and Patients' Perception of Tuberculosis Treatment Non-Adherence in Addis Ababa, Ethiopia. AB - Background: Although there are several studies reported on factors affecting tuberculosis (TB) treatment non-adherence, there is information gap on psychosocial and patients' perceptions aspects. Therefore, this study was aimed to investigate the effect of psychosocial factors and patients' perceptions on TB treatment non-adherence in Ethiopia. Methods: A cross sectional study was conducted in Addis Ababa from May to December, 2014. Thirty one health facilities were randomly selected and 698 TB patients, who had been on treatment, were enrolled consecutively using patient registration number. Structured questionnaire was used to collect data on demographics, knowledge, psychological distress, alcohol use, tobacco smoking and six HBM domains. Treatment adherence level was the main outcome variable, and it measured using visual analog scale. Statistical Package for Social Sciences version 20 was used for data analysis. Results: Non-adherence level within last one month prior to the study was 19.5%. After controlling for all potential confounding variables, Antiretroviral Therapy (ART) status (Adjusted Odds Ratio (AOR) = 1.79, 95% Confidence interval (CI) (1.09 -2.95)), alcohol use (AOR = 2.11, 95% CI (1.33-3.37)), economic status (AOR = 0.53, 95% CI (0.33-0.82)), perceived barriers (AOR = 1.21, 95% CI (1.10-1.47)) and psychological distress (AOR = 1.83, 95% CI (1.47-2.29)) were independently associated with TB treatment non-adherence. Conclusion: ART status, economic status, alcohol use, perceived barrier and psychological distress are the major areas that need to be targeted with health promotion intervention to enhance TB treatment adherence. PMID- 29217950 TI - Agreement between Direct Fluorescent Microscopy and Ziehl-Neelsen Concentration Techniques in Detection of Pulmonary Tuberculosis in Northwest Ethiopia. AB - Background: The sensitivity of smear microscopy for diagnosis of tuberculosis might be improved through treatment of sputum with sodium hypochlorite and application of fluorescent microscopy. This study aimed to determine the agreement between direct Fluorescent Microscopy and Ziehl-Neelsen concentration technique by their ability of detecting acid fast bacilli in resource poor settings. Methods: A cross sectional study was conducted at Gondar University Referral Hospital, Northwest Ethiopia. Three sputum specimens were collected from consecutive TB suspects. Direct and concentrated sputum smears were air-dried, heat-fixed and stained by auramine O and Ziehl-Neelsen staining techniques respectively. The stained slides were examined for acid fast bacilli using direct Fluorescent Microscopy and Ziehl-Neelsen concentration techniques. Results: Of 293 specimens, 4.4% and 2.4 % were AFB positive by direct fluorescent microscopy and Ziehl-Neelsen bleach concentrated techniques respectively. There was high percentage of tuberculosis positivity from early morning sputum samples (2.4%) compared to first spot (1.4%) and second spot (1.7%) sputum samples when using Ziehl-Neelsen sodium hypochlorite concentration technique. A moderate agreement was seen between the two methods (Kappa=0.484, P value<0.001). Conclusion: Direct fluorescent microscopy has shown high positivity rate compared to Ziehl-Neelsen concentration technique. A moderate agreement was seen between the two methods. Thus, Ziehl-Neelsen bleach sedimentation technique is recommended for detection of pulmonary tuberculosis at peripheral health service level when Fluorescent Microscopy is not available. PMID- 29217951 TI - Five Years Malaria Trend Analysis in Woreta Health Center, Northwest Ethiopia. AB - Background: An estimated 68% of the Ethiopian population, living in 75% of the landmass, is at risk of contracting malaria at any time making it the leading public health problem. The temporal analysis of malaria data could be important to evaluate the performance of malaria prevention programmes. Thus, the aim of this study was to determine the trend of malaria at Woreta Health Center (WHC) over a period of five years. Methods: We analyzed the records of 8,057 presumptive malaria patients registered in 2012 to 2016. The following patient data were retrieved from laboratory registration logbook for analysis: sex, age, residence, blood film (BF) microscopy result, type of malaria parasite identified, year and month when the patients visited WHC. Logistic regression was employed to assess the association between potential associated factors and positive BF result; p < 0.05 was considered significant. Results: Among the total presumptive individuals, 4447(55.2%) were females. The prevalence of malaria in each year ranged from 4.1% to 6.7%. The overall prevalence of malaria was 5.4% (95%CI: 4.9%-5.9%). The two most important species of malaria parasite identified were P. falciparum at 233(53.7%) and P. vivax at 184(42.4%). Relatively higher proportions of cases were documented in the months of November, December and June (11.1%, 8.1% and 7.2%, respectively). Patients who visited the health center in the month of December were >4 times more likely to be infected as compared with those who came to the health center in September [AOR: 4.2, 95%CI (2.374-7.560)]. Females were 1.3 times more likely to be infected than males, [AOR: 1.3, 95%CI (1.101-1.638)]. Similarly, patients in the age group above 15 were 1.9 times more likely to be infected than individuals < 5, [AOR: 1.9 95%CI (1.498-2.455), p value 0.000]. Conclusion: In the studied area, malaria remains a major public health challenge. Hence, interventions to decrease the impact of the disease have to be evaluated and strengthened. PMID- 29217952 TI - Control of Hypertension among Diabetic Patients in a Referral Hospital in Tanzania: A Cross-Sectional Study. AB - Background: Hypertension is common among diabetic patients. The co-existence of two conditions carries an excessive risk of severe complications and mortalities. Limited information exists on the determinants of poor hypertension control among these patients. We aimed at determining the prevalence and factors associated with poor hypertension control in these patients. Methods: Data of diabetic patients who were also hypertensive attending an outpatient clinic from 1 August 2015 to 31 December 2015 at Bugando Medical Centre were retrospectively analyzed. Uncontrolled hypertension was defined as a blood pressure of >=130mmHg and/or >=80mmHg systolic and diastolic respectively. A designed questionnaire was used to collect data of patients. Continuous variables were summarized by median and interquartile ranges (IQR) and categorical variables were summarized by frequency and percentage. Logistic regression was used to find the predictors of uncontrolled hypertension. Results: The majority of our study population were females, 161/295 (54.6%), and the median age was 57 years (IQR 50-64). The prevalence of hypertension was 206/295 (69.8%). A total of 174/206 (84.5%) patients had uncontrolled hypertension. This poor control was significantly associated with poor adherence to anti-hypertensives (OR 1.73[1.26-2.38] p=0.002), presence of any long-term complication (OR 3.19 [1.65-6.18] p=0.03) and overweight (BMI>24.9 Vs <24.9) (OR 1.68 [0.98-2.88], p=0.04). Under-prescription and ambiguous drugs combination was also observed. Conclusion: The prevalence of poor hypertension control among diabetic patients in Tanzania is alarming. Most of the factors associated with this situation can be modified. The clinicians should advocate individualized management, continuous health education and adherence to the available guidelines. PMID- 29217953 TI - Assessment of Pediatrics Radiation Dose from Routine X-Ray Examination at Jimma University Hospital, Southwest Ethiopia. AB - Background: Given the fact that children are more sensitive to ionizing radiation than adults, with an increased risk of developing radiation-induced cancer, special care should be taken when they undergo X-ray examinations. The main aim of the current study was to determine Entrance Surface Dose (ESD) to pediatric patients arising from routine x-ray examination in the Radiology Department of Jimma University Specialized Hospital (JUSH). Methods: Descriptive cross sectional study was conducted on pediatric patients less than 15 years of age who visited to seek x-ray examinations in JUSH. In this study, chest (AP), skull (AP), Abdomen (AP) and Pelvic (AP) x-ray examinations were analyzed. Radiographic exposure factors were recorded in each examination. ESD was calculated using exposure parameters. The calculated ESD values were weighed against the Diagnostic Reference Level (DRL) recommended doses and similar published studies. Comparison was made among different age groups through mean comparison. Result: The obtained ESD values were mostly higher than the values in internationally published studies and DRL for all age groups. For chest AP, the mean ESD values were 1.82mGy which is higher than similar studies in Nigeria (0.642Mgy), Brazil (o.o62mGy) and NRPB (0.050mGy) for ages of 0-1 years. Conclusion: The higher pediatric patient dose obtained in this study is a further indicator that doses delivered to pediatric patients are not according to ALARA principle, and there is a need to optimize service and patients' radiation exposure in JUSH in particular and in Ethiopia in general. PMID- 29217954 TI - The Barriers to Achieve Financial Protection in Iranian Health System: A Qualitative Study in a Developing Country. AB - Background: The move to universal health coverage and consequently health promotion is influenced by political, socio-economic and other contextual factors in a country. Iran, as a developing country with an upper-middle national income, has developed policies to achieve universal health coverage through financial protection. This study aims to investigate barriers to develop financial protection as a requirement to achieve universal health coverage. Materials and Methods: This qualitative study was conducted using 20 in-depth interviews with experts in social welfare, health insurance and financing. The framework analysis method was used to analyze the data. Results: The results have been categorized in three major themes that were extracted from ten sub-themes. The major themes included the political, social and economic context of the country, the context and structure of healthcare system and dimensions of UHC. Conclusion: Achieving financial protection as a long-term objective should be considered as a priority among Iranian policy makers that requires an inter-sectoral collaboration with a defined in-charge body. Health policy makers in Iran should develop a more comprehensive benefits package for diseases and health conditions with catastrophic consequences. They also should develop a plan to cover the poor people. PMID- 29217955 TI - Determinants of Podoconiosis, a Case Control Study. AB - Background: Podoconiosis is a non-filarial swelling of lower extremity endemic in tropical regions, North America and India. The etiology and pathophysiology of the disease remain unknown. The objective of this study was to identify the determinants of Podoconiosis. Methods: Unmatched case control study design was conducted. The sample size was calculated using Epi-info soft ware: 95% CI, 85% power, control to case ratio of 2:1, expected frequency of barefoot among controls 50%, odds ratio of 1.5 and non-response rate of 10% yielding 1148 study participants. Binary logistic regression was used to identify the determinants of Podoconiosis. Results: A total of 1113 study participants (379 cases and 734 controls) were included giving for a response rate of 96.95%. Positive family history (AOR, 2.81 [95% CI: 1.7-4.64]), bare foot (AOR, 3.26 [95% CI: 2.03 5.25]), poor foot hygiene (AOR, 2.68 [95 CI: 1.72 - 4.19]) increase the risk of Podoconiosis. Female gender (AOR, 0.26 [95% CI: 0.15-0.44]), good housing condition (AOR, 0.17 [95% CI: 0.1-0.3]), medium income (AOR, 0.12 [95 % CI: 0.07- 0.22]) and primary education (AOR, 0.02 [95% CI: 0.01-0.04]) decrease the risk of Podoconiosis. Conclusion: Podoconiosis control and prevention programmes should involve the low income and uneducated populations. PMID- 29217956 TI - Utilization Status of Electronic Information Sources (EIS) for HIV/AIDS Care and Treatment in Specialized Teaching Hospitals of Ethiopia, 2016. AB - Background: According to the World Health Organization, the use of Electronic Information Sources (EIS) in healthcare is not merely about application of technology, but it is also a foundation to provide higher quality clinical care. This study was aimed to assess Utilization Status of EIS for HIV/AIDS Care and Treatment in specialized teaching hospitals of Ethiopia, 2016. Materials and Methods: A facility based cross-sectional study design was used. The study populations were 352 healthcare professionals selected by using simple random sampling technique from three randomly selected specialized teaching hospitals of Ethiopia. Quantitative and qualitative data were collected and analyzed by fitting multivariate logistic regression model and thematically by bringing similar themes together respectively. Results: This study revealed that only 33.2% of the health professionals used EIS as supporting tool in their clinical practice including HIV/AIDS care and treatment. The main reasons for not using EIS were having no training 285(89.9%), followed by preferring print resources 20(6.3 %). Furthermore, there was statistically significant association between use of EIS and perceived electronic information retrieval skills AOR = 3.271, CI (1.942, 4.051), perceived quality of electronic information content retrieved AOR= 2.069, CI (1.051, 3.925) and limited access to computer and internet connection AOR = 5.072, CI (1.834, 5.931). Conclusions: In this study, only one third of health professionals used EIS as supporting tool in their clinical practice. Hence, hospital boards should devise strategies to improve utilization of EIS. PMID- 29217957 TI - Evaluation of Parasitological Methods for the Detection of Strongyloides Stercoralis among Individuals in Selected Health Institutions In Addis Ababa, Ethiopia. AB - Background: Strongyloides stercoralis causes chronic intestinal infection that may lead to disseminated disease during immunosuppression. Therefore, efficient diagnostic methods are essential to detect silent and latent infections. The present study was aimed to compare the efficacy of parasitological methods for the detection of S. stercoralis infection. Methods: A cross-sectional study was conducted on 351 subjects (226 HIV positive and 125 HIV negative) from October 2005 to May 2006. The study participants were selected by systematic random sampling method. Fresh fecal samples were collected from each participant and processed by different parasitological methods. Results: Among the 351 individuals involved in the study, 43(12.3%) were infected by S. stercoralis. The prevalence of S. stercoralis infection was significantly higher among HIV positive subjects (17.3%) as compared with 3.2% in HIV negative subjects (p=0.001). The odd of being infected by S. stercoralis was significantly higher among AIDS patients (OR=6.31; 95% CI, 2.2-18.1) and HIV patients with diarrhea (OR=9.3; 95% CI 4.6-18.9) as compared with respective controls. Agar plate culture showed superior sensitivity (97.7%) than other methods for detection of S. stercoralis. Similarly, agar plate culture showed strong diagnostic agreement with Baermann's method (kappa = 0.82; 95% CI 0.72 - 0.92) followed by fecal concentration (kappa= 0.67; 95% CI=0.54-0.80). Coclusion: This study revealed that HIV patients were about 6 folds susceptible for S. stercoralis infection. Similarly, agar plate culture showed superior diagnostic efficiency for detections of S. stercoralis infection. PMID- 29217958 TI - Assessment of Barriers to Reproductive Health Service Utilization among Bench Maji Zone Pastoralist Communities. AB - Background: The reproductive health (RH) needs and challenges in pastoralist area are different from elsewhere. People in this area live in very traditional settings and adhere strongly to traditional cultural values and beliefs. Some of these beliefs are known to lead to poor sexual and RH outcomes. Thus, the objective of the study was to identify barriers of RH service utilization among pastoralist communities of Bench Maji zone. Methods: This study was conducted in pastoralist communities of 5 woredas in Bench Maji zone. Qualitative study was conducted through FGD, IDI and KII. For this study 15 FGDs, 5 IDI and 5 KII were conducted. Recorded data was first transcribed in to local languages and translated to English by experts. The data was coded and themes were identified. Finally the result was presented narratively. Results: The major challenges of RH service utilization identified in this study were preference of female professionals, preference of home delivery, cultural influences, lack of knowledge, decision maker related barriers, and health facility related barriers. Husband disapproval was significant challenge for utilization of services. Family disapproval for adolescent RH service utilization and judgmental approach of health professionals for contraceptive utilization were also common barriers. Conclusions: Preference of female professionals, preference of home delivery, cultural influences, lack of knowledge, decision maker barrier, and health facility related barriers were identified barriers. Therefore, awareness creation to the community, and capacity building to health professionals are recommended. PMID- 29217959 TI - Periodontal Therapy with 0.25%Lemongrass Oil Mouthwash in Reducing Risk of Cardiovascular Diseases: A 3-Arm Prospective Parallel Experimental Study. AB - Background: Periodontal disease is associated with cardiovascular diseases because of its role in host immune-inflammatory response. Serum lipids are the commonest risk factors between periodontal disease and cardiovascular diseases. Materials and Method: A double blinded randomised clinical trial was carried out among 45 subjects with generalised severe periodontitis. They were divided into 3 groups of 15 subjects each. Group A: 0.25% lemongrass oil mouthwash, Group B: 0.12% chlorhexidine mouthwash and Group C: Oral prophylaxis only Group. Oral examinations like assessment of Probing Pocket Depth and Clinical Attachment Loss and Bio-chemical tests like assessment of C-Reactive Protein, Total Cholesterol, High Density Lipid, Low Density Lipid and triglycerides were conducted at baseline followed by oral prophylaxis at the same visit. Reassessment of the above mentioned parameters were done after 3 months of intervention. Data so collected were subjected for statistical analysis using SPSS ver. 20.0. Results: A statistically significant reduction in C-Reactive Protein, Probing Pocket Depth, Clinical Attachment Loss, Total Cholesterol and Low Density Lipid level in 0.25% lemongrass oil mouthwash group was found. On comparing a statistically significant difference was observed for the post intervention scores of Probing Pocket Depth and Clinical Attachment Loss only; for Group A v/s C and Group B v/s C. Conclusion: 0.25% Lemongrass oil mouthwash was found to be a good herbal alternative; both in the treatment of chronic periodontitis and reduction in the level of serum markers of Cardio Vascular Diseasess. PMID- 29217960 TI - Knowledge Management Implementation and the Tools Utilized in Healthcare for Evidence-Based Decision Making: A Systematic Review. AB - Background: Healthcare is a knowledge driven process and thus knowledge management and the tools to manage knowledge in healthcare sector are gaining attention. The aim of this systematic review is to investigate knowledge management implementation and knowledge management tools used in healthcare for informed decision making. Methods: Three databases, two journals websites and Google Scholar were used as sources for the review. The key terms used to search relevant articles include: "Healthcare and Knowledge Management"; "Knowledge Management Tools in Healthcare" and "Community of Practices in healthcare". Results: It was found that utilization of knowledge management in healthcare is encouraging. There exist numbers of opportunities for knowledge management implementation, though there are some barriers as well. Some of the opportunities that can transform healthcare are advances in health information and communication technology, clinical decision support systems, electronic health record systems, communities of practice and advanced care planning. Conclusion: Providing the right knowledge at the right time, i.e., at the point of decision making by implementing knowledge management in healthcare is paramount. To do so, it is very important to use appropriate tools for knowledge management and user friendly system because it can significantly improve the quality and safety of care provided for patients both at hospital and home settings. PMID- 29217961 TI - Clinical Profile and Outcome of Pediatrics Tetanus: The Experience of a Tertiary Hospital in Ethiopia. AB - Background: Tetanus is an acute vaccine preventable illness manifested by neuromuscular dysfunction due to a potent exotoxin, tetanospasmin produced by Clostridium tetani. It is a common health problem in developing countries like Ethiopia. The aim of this study was to assess clinical profile and outcome of Pediatrics tetanus in a referral hospital, South Ethiopia. Methods: This is a retrospective cross-sectional study of medical records of 24 Pediatric tetanus patients who were admitted from July 2014 to June 2016 to the Pediatrics Department of Hawassa University Comprehensive Specialized Hospital, Hawassa Ethiopia. Tetanus was diagnosed clinically. Data were entered and analyzed using SPSS statistical software. Results: The median age at diagnosis was 8 years with 19 (79.2%)of the study subjects being males. There were 3 male neonatal tetanus cases with 2 deaths. From post-neonatal cases, only 8(38.1%) were fully vaccinated for infant Expanded Period of Immunization (EPI). Booster vaccination with TT (tetanus toxoid) was only given to 5(29.4%) of discharged patients. Trauma was common in above 5 years of age and documented in 19(79.2%) of patients. All tetanus cases were generalized type with mild, moderate and severe grades comprising 7(29.2%), 8(33.3%), 7(29.2%) and 2(8.3%) respectively. Case fatality rate was 29.2% (7) with more deaths in higher grades. Respiratory failure 6(85.7%), and aspiration pneumonia 1(14.3%) were causes of death. Conclusion: In this study, case fatality rate was high. Hence, health promotion with scale-up of EPI for infant tetanus immunization and large scale studies to provide support for booster vaccination schedules are recommended. PMID- 29217962 TI - Spectrophotometric Evaluation of Crown Fragment a Year After Reattachment Using Fiber-Reinforced Post: A Case Report. AB - Background: Crown fracture is the most common type of fracture and frequently affects the anterior teeth. Crown fractures have been treated in several ways depending on the location and kind of fracture. This case emphasizes reattachment of fractured fragments using fiber-reinforced post. Also this case report underlines the related aesthetic concerns of reattaching of the fractured fragment. Case Report: Intraorally, examination revealed a complicated crown-root fracture of the left maxillary central (#21) and lateral incisor (#22). Moreover, the incisal one-third of the right maxillary central incisor (#11) was fractured. Baseline color of the tooth was recorded with a spectrophotometer to compare final color of tooth treated with fiber post. The root canal of 21 and 22 was filled with a sealer and gutta-percha. Then, the fiber-reinforced post was placed into the canals, and fractured segments were bonded with self-adhesive resin cement. Direct composite resin restoration was applied to 11. A year later, a second color measurement was recorded, and color differences (DeltaE) were calculated. Result: In 12 months' follow-up, 11, 21 and 22 were asymptomatic with satisfying aesthetics, maxillar right incisor was vital. When crown discoloration was examined, there was clinically perceptible but acceptable discoloration without periapical pathology. Conclusion: Fiber reinforced post empowers not only the protection and reinforcement of tooth structure but also provides esthetic restoration. PMID- 29217963 TI - Penalized nonparametric scalar-on-function regression via principal coordinates. AB - A number of classical approaches to nonparametric regression have recently been extended to the case of functional predictors. This paper introduces a new method of this type, which extends intermediate-rank penalized smoothing to scalar-on function regression. In the proposed method, which we call principal coordinate ridge regression, one regresses the response on leading principal coordinates defined by a relevant distance among the functional predictors, while applying a ridge penalty. Our publicly available implementation, based on generalized additive modeling software, allows for fast optimal tuning parameter selection and for extensions to multiple functional predictors, exponential family-valued responses, and mixed-effects models. In an application to signature verification data, principal coordinate ridge regression, with dynamic time warping distance used to define the principal coordinates, is shown to outperform a functional generalized linear model. PMID- 29217964 TI - Sit Down and Play: A Preventive Primary Care-Based Program To Enhance Parenting Practices. AB - The primary care office offers an ideal setting to encourage parenting behaviors that promote early childhood development. We conducted a pilot study to establish feasibility and acceptability of Sit Down and Play (SDP), a brief primary care based program to facilitate positive parenting behaviors through take-home play activities. A prospective 1-month study was conducted in an urban primary care clinic. SDP was administered to 30 caregivers of 6-12 month old children while they waited for their well-child appointment. Caregivers completed baseline and 4 week follow-up surveys. Open-ended interview questions regarding acceptability and usefulness of SDP were administered and analyzed using content analysis. Parenting practices related to child development were measured with standardized measures and changes analyzed using paired t-test and linear mixed effects models. Most caregivers were mothers (90%) and non-white (97%); the majority of children received Medicaid (87%). There were significant increases in parental reports of practices related to child development (p<0.001), including families who reported low incomes (i.e. <$25,000) and received a high-school education or less (p=0.001). Four main themes emerged from the open-ended interview data: 1) importance of play, 2) noticing a change in their child, 3) reinforcing existing positive parenting behaviors, and 4) satisfaction with the program. This preliminary study suggests that SDP is a feasible and potentially beneficial program that can be delivered during pediatric well-child visits. Further studies are needed to determine the effectiveness of SDP on parenting behaviors and developmental outcomes. PMID- 29217966 TI - LPV Modeling of a Flexible Wing Aircraft Using Modal Alignment and Adaptive Gridding Methods. AB - One of the earliest approaches in gain-scheduling control is the gridding based approach, in which a set of local linear time-invariant models are obtained at various gridded points corresponding to the varying parameters within the flight envelop. In order to ensure smooth and effective Linear Parameter-Varying control, aligning all the flexible modes within each local model and maintaining small number of representative local models over the gridded parameter space are crucial. In addition, since the flexible structural models tend to have large dimensions, a tractable model reduction process is necessary. In this paper, the notion of sigma-shifted [Formula: see text]- and [Formula: see text]-norm are introduced and used as a metric to measure the model mismatch. A new modal alignment algorithm is developed which utilizes the defined metric for aligning all the local models over the entire gridded parameter space. Furthermore, an Adaptive Grid Step Size Determination algorithm is developed to minimize the number of local models required to represent the gridded parameter space. For model reduction, we propose to utilize the concept of Composite Modal Cost Analysis, through which the collective contribution of each flexible mode is computed and ranked. Therefore, a reduced-order model is constructed by retaining only those modes with significant contribution. The NASA Generic Transport Model operating at various flight speeds is studied for verification purpose, and the analysis and simulation results demonstrate the effectiveness of the proposed modeling approach. PMID- 29217965 TI - Guidance for the Clinical Management of Thirdhand Smoke Exposure in the Child Health Care Setting. AB - Objective: To explain the concept of thirdhand smoke and how it can be used to protect the health of children and improve delivery of tobacco control interventions for parents in the child health care setting. Methods: Review of the literature and descriptive report. Results: The thirdhand smoke concept has been used in the CEASE intervention to improve the delivery of tobacco control counseling and services to parents. Materials and techniques have been developed for the child health care setting that use the concept of thirdhand smoke. Scientific findings demonstrate that thirdhand smoke exposure is harmful and establishes the need for clinicians to communicate the cessation imperative: the only way to protect non-smoking household members from thirdhand smoke is for all household smokers to quit smoking completely. As the scientific knowledge of thirdhand smoke increases, advocates will likely rely on it to encourage completely smoke-free places. Conclusion: Recent scientific studies on thirdhand smoke are impelling further research on the topic, spurring the creation of tobacco control policies to protect people from thirdhand smoke and stimulating improvements to the delivery of tobacco control counseling and services to parents in child health care settings. PMID- 29217967 TI - Tuning Properties of Poly(ethylene glycol)-block-poly(simvastatin) Copolymers Synthesized via Triazabicyclodecene. AB - Simvastatin was polymerized into copolymers to better control drug loading and release for therapeutic delivery. When using the conventional stannous octoate catalyst in ring-opening polymerization (ROP), reaction temperatures >=200 degrees C were required, which promoted uncontrollable and undesirable side reactions. Triazabicyclodecene (TBD), a highly reactive guanidine base organocatalyst, was used as an alternative to polymerize simvastatin. Polymerization was achieved at 150 degrees C using 5 kDa methyl-terminated poly(ethylene glycol) (mPEG) as the initiator. ROP reactions with 2 kDa or 550 Da mPEG initiators were also successful using TBD at 150 degrees C instead of stannous octoate, which required a higher reaction temperature. Biodegradability of the poly(simvastatin) copolymer in phosphate-buffered saline was also improved, losing twice as much mass than the copolymer synthesized via stannous octoate. The three copolymers exhibited modified rates of simvastatin release, demonstrating tunablity for drug delivery applications. PMID- 29217968 TI - Investigation of markers of allergic sensitization and viral infections in children with allergy and asthma. AB - Background: Allergic diseases are the most prevalent chronic diseases in the developed countries. It is believed that early allergic sensitization and respiratory viral infections play an important role in the development of allergic diseases and asthma. Methods: The current study investigated the correlation between asthma, allergy, and various markers - allergen-specific IgE, IgG4 and IgA, ECP, IgM, and IgG antibodies against respiratory viruses hRSV and hPIV1-4 - in blood serum samples from 80 children (mean age 5.2 years) recruited from the Lithuanian birth cohort. Children were divided into three groups according to their diagnosis: asthma (n = 25), allergy without asthma (n = 14), and control group (n = 41). Results: Based on retrospective data, airway infections and bronchitis by the age of two years were associated with asthma in later childhood. The presence of IgM and IgG antibodies against hRSV and hPIV1-4 at the age of five years were not associated with asthma and allergy: a high rate of persistent or past respiratory viral infections was revealed in all three groups. Among allergic children, increased levels of allergen-specific IgE and d1 specific IgG4 were determined. Conclusion: The current study provides new insights into the relationships between allergic sensitization and respiratory virus infections in children. PMID- 29217969 TI - Severity of hyperoxia as a risk factor in patients undergoing on-pump cardiac surgery. AB - Background: Hyperoxia has long been perceived as a desirable or at least an inevitable part of cardiopulmonary bypass. Recent evidence suggest that it might have multiple detrimental effects on patient homeostasis. The aim of the study was to identify the determinants of supra-physiological values of partial oxygen pressure during on-pump cardiac surgery and to assess the impact of hyperoxia on clinical outcomes. Materials and methods: Retrospective data analysis of the institutional research database was performed to evaluate the effects of hyperoxia in patients undergoing elective cardiac surgery with cardiopulmonary bypass, 246 patients were included in the final analysis. Patients were divided in three groups: mild hyperoxia (MHO, PaO2 100-199 mmHg), moderate hyperoxia (MdHO, PaO2 200-299 mmHg), and severe hyperoxia (SHO, PaO2 >300 mmHg). Postoperative complications and outcomes were defined according to standardised criteria of the Society of Thoracic Surgeons. Results: The extent of hyperoxia was more immense in patients with a lower body mass index (p = 0.001) and of female sex (p = 0.005). A significant link between severe hyperoxia and a higher incidence of infectious complications (p - 0.044), an increased length of hospital stay (p - 0.044) and extended duration of mechanical ventilation (p < 0.001) was confirmed. Conclusions: Severe hyperoxia is associated with an increased incidence of postoperative infectious complications, prolonged mechanical ventilation, and increased hospital stay. PMID- 29217970 TI - Recurrent pericarditis: a case report and literature review. AB - Background: Recurrence affects about 30% (20% to 50%) of patients within 18 months after the initial episode of acute pericarditis resulting in subsequent rehospitalizations. Bearing in mind high treatment costs of patients admitted to hospital with acute and recurrent pericarditis, there is a need to optimize the treatment of both of these conditions. Materials and methods: We present a case of recurrent pericarditis. The first episode of pericarditis was diagnosed in 2006. Three months later the patient was hospitalized due to clinical symptoms suggesting recurrence of a past condition. Ten years after the initial episode of acute pericarditis the patient was hospitalized for the treatment of recurrent pericarditis. The search for etiology of the disease was unsuccessful, the patient received treatment with nonsteroidal anti-inflammatory drugs; empiric antimicrobial therapy was also administered. Results and conclusions: Acute pericarditis is the most common disease of the pericardium encountered in clinical practice. Colchicine has been demonstrated as a first-line drug to be added to conventional anti-inflammatory therapies in patients with a first episode of pericarditis or its recurrences in order to improve the response to therapy and reduce recurrences. Despite a large amount of new data, there are still several issues that require additional research and clarification, including the search for new individualized therapies, the best duration of treatment for patients with pericardial diseases, and optimization of patient follow-up in order to collect data on long-term outcomes that would allow shortening the duration of in-patient treatment and reduction of recurrences. PMID- 29217971 TI - Evaluation of the relationship between the occlusion parameters and symptoms of the temporomandibular joint disorder. AB - Background: The aetiology of temporomandibular joint disorders (TMD) is multifactorial, whereas occlusal disharmony is one of the predisposing factors. Researchers still discuss the relation between occlusion and TMD. Objective: The study aims to investigate the relation between static occlusal parameters and TMD clinical symptoms using T-Scan II analysis system. Material and methods: The sample consisted of 44 persons divided into the treatment group of 20 TMD patients and the control group of 24 subjects without TMD. The main task of T Scan II computerized occlusal analysis system was to record every patient's occlusion and estimate static occlusal parameters: centre of occlusal force, asymmetry index of maximum occlusal force and occlusion time. These results were compared between groups, data related to patients' complaints and clinical symptoms. The analysis was carried out using Mann-Whitney U, Kruskal-Wallis and Chi-square tests. Results: Averages of the centre of occlusal force in TMD subjects were 6.55 +/- 0.99 mm, in the control group - 5.88 +/- 0.69 mm; the asymmetry index of maximum occlusal force averages: 15.90 +/- 2.71 and 12.93 +/- 1.88; occlusion time: 0.281 +/- 0.036 s and 0.236 +/- 0.022 s, respectively. There were no statistically significant differences between two groups but they were found in the centre of occlusal force and the asymmetry index in the two groups (p < 0.05). Conclusions: There exists a relation between complaints of patients with TMD and static occlusion parameters. Values of the centre of the occlusal force distance and the asymmetry index of occlusal force in TMD patients with pain in the temporomandibular joint (TMJ) were significantly higher than in the control group. PMID- 29217972 TI - Clinical aspects and antenatal diagnosis of invasive placenta: a review of ten years' experience of a multi-profile hospital in Lithuania. AB - Background: Invasive placenta is a rare obstetrical pathology that is life threatening to mother and child. It is important to diagnose this pathology as early as possible and to plan further optimal care of patients in order to minimize life-threatening complications. The aim of this study was to analyze the frequency of cases of invasive placenta, the peculiarities of their clinical manifestation in women who gave birth from 2006 to 2015, to evaluate diagnostic and treatment options of this pathology, and to review their changes when the level of services provided by the institution changes. Materials and methods: A retrospective study was performed of the ten-year period of 2006 to 2015. The study consisted of examining the data of medical records of a group of 14 women. Results: The incidence of invasive placenta at the secondary level hospital was 1/2170 births, 1:934 births at the tertiary level. There were only three patients (21.4%) diagnosed with invasive placenta during pregnancy at Vilnius University Hospital Santaros Klinikos Obstetrics and Gynaecology Centre. Before the surgery, pre-occlusive balloons were ushered into the internal iliac artery and inflated to reduce bleeding after the newborn delivery. The amount of blood loss in the whole group ranged from 1000 to 6500 ml (avg. 3130.7 ml). Radical treatment was given to eleven patients. Conclusion: Invasive placenta is a life-threatening condition. Tertiary-level hospitals have a greater capacity for antenatal diagnostics. Timely diagnosis of placental invasion and evaluation of the level of the myometrium damage before delivery is instrumental in planning patient care and preparing for delivery and operation. PMID- 29217973 TI - Hybrid transanal and total mesorectal excision after transanal endoscopic microsurgery for unfavourable early rectal cancer: a report of two cases. AB - Completion total mesorectal excision (TME) is a rare but complex procedure after transanal endoscopic microsurgery for early rectal cancer with unfavourable final histology. Two cases are reported when completion TME was performed after upfront transanal partial mesorectal dissection. Intact non-perforated TME specimens with negative and adequate distal and circumferential margins were created. The quality of both total mesorectal excisions was complete and distal margins were sufficient. We believe that our technique might be a way of approaching completion TME after TEM, especially in cases of low rectal cancer. PMID- 29217974 TI - Ketogenic Diets for Adults With Highly Refractory Epilepsy. AB - The current review highlights the evidence supporting the use of ketogenic diets in the management of drug-resistant epilepsy and status epilepticus in adults. Ketogenic diet variants are compared and advantages and potential side effects of diet therapy are discussed. PMID- 29217975 TI - Psychosurgery, Epilepsy Surgery, or Surgical Psychiatry: The Tangled Web of Epilepsy and Psychiatry as Revealed by Surgical Outcomes. PMID- 29217976 TI - Worrying More About Anxiety in Patients With Epilepsy. PMID- 29217977 TI - Combined Treatment of 'Vigabatrin and Corticoids' for Infantile Spasms: A Superiority Complex or Truly Superior to Corticoids Monotherapy? PMID- 29217978 TI - Quantitative Measurement of Longitudinal Relaxation Time (qT1) Mapping in TLE: A Marker for Intracortical Microstructure? PMID- 29217979 TI - Localizing the Ictal Onset: Visualizing the Epileptogenic Target. PMID- 29217980 TI - Searching for Autoimmune Epilepsy: Why, Where, and When? PMID- 29217981 TI - Mutating Our Understanding of Brain Tumors and Seizures: Entrez IDH. PMID- 29217982 TI - Expeditions in Epidemiologic Studies of New Onset Epilepsy in Older Adults: Stake Your Claims. PMID- 29217983 TI - Developmental Inflammation Takes a Toll: Early Immune Responses Increase Seizure Susceptibility via Astrocytic TLR4 Signaling. PMID- 29217984 TI - Assessing Levels of Awareness During Seizures in Animal Models. PMID- 29217985 TI - A Look Behind the Curtain: Epilepsy Microarray Consortium. PMID- 29217986 TI - Making Connections With GABA. PMID- 29217987 TI - Sprouted Mossy Fiber Connections of Adult-Born Granule Cells: Detonate or Fizzle? PMID- 29217988 TI - GRIN and Bear the Diverse Functional Effects of Rare NMDA Receptor Variants. PMID- 29217989 TI - Bayesian inference of metal oxide ultrathin film structure based on crystal truncation rod measurements. AB - Monte Carlo (MC)-based refinement software to analyze the atomic arrangements of perovskite oxide ultrathin films from the crystal truncation rod intensity is developed on the basis of Bayesian inference. The advantages of the MC approach are (i) it is applicable to multi-domain structures, (ii) it provides the posterior probability of structures through Bayes' theorem, which allows one to evaluate the uncertainty of estimated structural parameters, and (iii) one can involve any information provided by other experiments and theories. The simulated annealing procedure efficiently searches for the optimum model owing to its stochastic updates, regardless of the initial values, without being trapped by local optima. The performance of the software is examined with a five-unit-cell thick LaAlO3 film fabricated on top of SrTiO3. The software successfully found the global optima from an initial model prepared by a small grid search calculation. The standard deviations of the atomic positions derived from a dataset taken at a second-generation synchrotron are +/-0.02 A for metal sites and +/-0.03 A for oxygen sites. PMID- 29217990 TI - The electrostatic potential of dynamic charge densities. AB - A procedure to derive the electrostatic potential (ESP) for dynamic charge densities obtained from structure models or maximum-entropy densities is introduced. The ESP essentially is obtained by inverse Fourier transform of the dynamic structure factors of the total charge density corresponding to the independent atom model, the multipole model or maximum-entropy densities, employing dedicated software that will be part of the BayMEM software package. Our approach is also discussed with respect to the Ewald summation method. It is argued that a meaningful ESP can only be obtained if identical thermal smearing is applied to the nuclear (positive) and electronic (negative) parts of the dynamic charge densities. The method is applied to structure models of dl-serine at three different temperatures of 20, 100 and 298 K. The ESP at locations near the atomic nuclei exhibits a drastic reduction with increasing temperature, the largest difference between the ESP from the static charge density and the ESP of the dynamic charge density being at T = 20 K. These features demonstrate that zero-point vibrations are sufficient for changing the spiky nature of the ESP at the nuclei into finite values. On 0.5 e A-3 isosurfaces of the electron densities (taken as the molecular surface relevant to intermolecular interactions), the dynamic ESP is surprisingly similar at all temperatures, while the static ESP of a single molecule has a slightly larger range and is shifted towards positive potential values. PMID- 29217991 TI - Variant selection in surface martensite. AB - A significant variant selection is reported in isothermal martensite formed on the surface of an Fe-30% Ni sample. The selection phenomenon is modelled using different descriptions of the martensitic phase transformation. In particular, matrices based on the phenomenological theory of martensite crystallography, the Jaswon and Wheeler distortion, and the continuous face centred cubic-body centred cubic distortion are compared. All descriptions allow good predictions of the variant selection. However, the Jaswon and Wheeler distortion and the continuous distortion better account for other features of the surface martensite, such as the {225}gamma habit plane and the accommodation mechanism by twin-related variant pairing. PMID- 29217992 TI - The modular small-angle X-ray scattering data correction sequence. AB - Data correction is probably the least favourite activity amongst users experimenting with small-angle X-ray scattering: if it is not done sufficiently well, this may become evident only during the data analysis stage, necessitating the repetition of the data corrections from scratch. A recommended comprehensive sequence of elementary data correction steps is presented here to alleviate the difficulties associated with data correction, both in the laboratory and at the synchrotron. When applied in the proposed order to the raw signals, the resulting absolute scattering cross section will provide a high degree of accuracy for a very wide range of samples, with its values accompanied by uncertainty estimates. The method can be applied without modification to any pinhole-collimated instruments with photon-counting direct-detection area detectors. PMID- 29217993 TI - Hierarchical clustering for multiple-crystal macromolecular crystallography experiments: the ccCluster program. AB - This article describes ccCluster, a software providing an intuitive graphical user interface (GUI) and multiple functions to perform hierarchical cluster analysis on multiple crystallographic datasets. The program makes it easier for users to choose, in the case of multi-crystal data collection, those datasets that will be merged together to give good final statistics. It provides a simple GUI to analyse the dendrogram and various options for automated clustering and data merging. PMID- 29217994 TI - Local Fields in Human Subthalamic Nucleus Track the Lead-up to Impulsive Choices. AB - The ability to adaptively minimize not only motor but cognitive symptoms of neurological diseases, such as Parkinson's Disease (PD) and obsessive-compulsive disorder (OCD), is a primary goal of next-generation deep brain stimulation (DBS) devices. On the basis of studies demonstrating a link between beta-band synchronization and severity of motor symptoms in PD, the minimization of beta band activity has been proposed as a potential training target for closed-loop DBS. At present, no comparable signal is known for the impulsive side effects of PD, though multiple studies have implicated theta band activity within the subthalamic nucleus (STN), the site of DBS treatment, in processes of conflict monitoring and countermanding. Here, we address this challenge by recording from multiple independent channels within the STN in a self-paced decision task to test whether these signals carry information sufficient to predict stopping behavior on a trial-by-trial basis. As in previous studies, we found that local field potentials (LFPs) exhibited modulations preceding self-initiated movements, with power ramping across multiple frequencies during the deliberation period. In addition, signals showed phasic changes in power around the time of decision. However, a prospective model that attempted to use these signals to predict decision times showed effects of risk level did not improve with the addition of LFPs as regressors. These findings suggest information tracking the lead-up to impulsive choices is distributed across multiple frequency scales in STN, though current techniques may not possess sufficient signal-to-noise ratios to predict and thus curb-impulsive behavior on a moment-to-moment basis. PMID- 29217995 TI - The Alteration of Irisin-Brain-Derived Neurotrophic Factor Axis Parallels Severity of Distress Disorder in Bronchial Asthma Patients. AB - Distress disorder (a collective term for generalized anxiety disorder and major depressive disorder) is a well-known co-morbidity of bronchial asthma. The irisin brain-derived neurotrophic factor (BDNF) axis is a pathway that influences several neurobehavioral mechanisms involved in the pathogenesis of distress disorder. Thus, the aim of the present study was to quantify the serum irisin and BDNF concentrations in order to investigate the possible link between the irisin/BDNF axis and distress disorder in an asthma patient cohort. Data of 167 therapy-controlled asthma patients were analyzed. Demographic, anthropometric, and anamnestic data were collected, routine laboratory parameters supplemented with serum irisin and BDNF levels were determined, pulmonary function test was performed using whole-body plethysmography, and quality of life was quantified by means of the St. George's Respiratory Questionnaire (SGRQ). Correlation analysis as well as simple and multiple linear regression were used to assess the relationship between the irisin level and the Impacts score of SGRQ, which latter is indicative of the presence and severity of distress disorder. We have found a significant, positive linear relationship between the Impacts score and the reciprocal of irisin level. This association was stronger in patients whose BDNF level was higher, and it was weaker (and statistically non-significant) in patients whose BDNF level was lower. Our results indicate that higher serum irisin level together with higher serum BDNF level are associated with milder (or no) distress disorder. This finding suggests that alteration of the irisin/BDNF axis influences the presence and severity of distress disorder in asthma patients. PMID- 29217996 TI - Switching between Multiple Codes of SNARC-Like Associations: Two Conceptual Replication Attempts with Anodal tDCS in Sham-Controlled Cross-Over Design. AB - In societies with left-to-right reading direction, left-side vs. right-side behavioral decisions are faster for relatively small vs. large number magnitudes, and vice versa, a phenomenon termed Spatial-Numerical Associations of Response Codes (SNARC) effect. But also for non-numerical sequential items, SNARC-like effects were observed, suggesting a common neurocognitive mechanism based on the ordinal structures of both numbers and sequences. Modulation of prefrontal networks that are involved in providing spatial associations during cognitive behavior can contribute to elaborate their neuropsychological theoretical foundations. With transcranial direct current stimulation (tDCS) directed to the left prefrontal cortex, we recently showed that (i) cathodal tDCS can block the emergence of spatial-numerical associations and that (ii) anodal tDCS can reverse spatial associations of sequential order, most likely based on markedness correspondence. Two conceptual replication attempts of the latter reversal of space-order associations are presented in the current sham-controlled experiment, using either weekdays (Monday-Friday) or month names (January-December) as stimuli in the temporal order classification task. In addition, to control for possible influences of notation, number stimuli were presented as written German names (One-Five). We report on a successful modulation of spatial-numerical associations of response codes (SNARC) effects with month stimuli induced by anodal tDCS, but failed to observe the same reversal of SNARC effects for weekday stimuli. The former stimulation effect was orthogonal to the small anodal tDCS effect on written number words, which replicates the dissociation of SNARC effects for numbers vs. non-numerical sequences. Moreover, this result reinforces the hypothesis that the ordinal item and task structure was the source of dissociation (as opposed to verbal presentation). We suggest that the diverging results can be explained by the markedness correspondence account of spatial associations in a multiple coding framework. Left-hemispheric prefrontal excitation from anodal tDCS renders verbal markedness relatively more dominant, but this effect is not absolute. We discuss task contagion, study design, and individual differences in performance measures or tDCS response as possible contributors to systematic variation of the weights of multiple coding parameters for spatial-numerical associations. PMID- 29217997 TI - Neurochemical and Behavior Deficits in Rats with Iron and Rotenone Co-treatment: Role of Redox Imbalance and Neuroprotection by Biochanin A. AB - Increasing evidences show that the etiology of Parkinson's disease (PD) is multifactorial. Studying the combined effect of several factors is becoming a hot topic in PD research. On one hand, iron is one of the essential trace metals for human body; on the other hand, iron may be involved in the etiopathogenesis of PD. In our present study, the rats with increased neonatal iron (120 MUg/g bodyweight) supplementation were treated with rotenone (0.5 mg/kg) when they were aged to 14 weeks. We observed that iron and rotenone co-treatment induced significant behavior deficits (time-dependent) and striatal dopamine depletion in the male and female rats, while they did not do so when they were used alone. No significant change in striatal 5-hydroxytryptamine content was observed in the male and female rats with iron and rotenone co-treatment. Also, iron and rotenone co-treatment significantly decreased substantia nigra TH expression in the male rats. Furthermore, co-treatment with iron and rotenone significantly induced malondialdehyde increase and glutathione decrease in the substantia nigra of male and female rats. There was no significant change in cerebellar malondialdehyde and glutathione content of the rats co-treated with iron and rotenone. Interestingly, biochanin A significantly attenuated striatal dopamine depletion and improved behavior deficits (dose-dependently) in the male and female rats with iron and rotenone co-treatment. Biochanin A treatment also significantly alleviated substantia nigra TH expression reduction in the male rats co-treated with iron and rotenone. Finally, biochanin A significantly decreased malondialdehyde content and increased glutathione content in the substantia nigra of male and female rats with iron and rotenone co-treatment. Our results indicate that iron and rotenone co-treatment may result in aggravated neurochemical and behavior deficits through inducing redox imbalance and increased neonatal iron supplementation may participate in the etiopathogenesis of PD. Moreover, biochanin A may exert dopaminergic neuroprotection by maintaining redox balance. PMID- 29217998 TI - Targeting Adenosine Signaling in Parkinson's Disease: From Pharmacological to Non pharmacological Approaches. AB - Parkinson's disease (PD) is one of the most prevalent neurodegenerative disease displaying negative impacts on both the health and social ability of patients and considerable economical costs. The classical anti-parkinsonian drugs based in dopaminergic replacement are the standard treatment, but several motor side effects emerge during long-term use. This mini-review presents the rationale to several efforts from pre-clinical and clinical studies using adenosine receptor antagonists as a non-dopaminergic therapy. As several studies have indicated that the monotherapy with adenosine receptor antagonists reaches limited efficacy, the usage as a co-adjuvant appeared to be a promising strategy. The formulation of multi-targeted drugs, using adenosine receptor antagonists and other neurotransmitter systems than the dopaminergic one as targets, have been receiving attention since Parkinson's disease presents a complex biological impact. While pharmacological approaches to cure or ameliorate the conditions of PD are the leading strategy in this area, emerging positive aspects have arisen from non-pharmacological approaches and adenosine function inhibition appears to improve both strategies. PMID- 29217999 TI - Prospects for Modeling Abnormal Neuronal Function in Schizophrenia Using Human Induced Pluripotent Stem Cells. AB - Excitatory dopaminergic neurons, inhibitory GABAergic neurons, microglia, and oligodendrocytes have all been implicated in schizophrenia (SZ) network pathology. Still, SZ has been a difficult disorder to study, not only because of the limitations of animal models in capturing the complexity of the human mind, but also because it is greatly polygenic, with high rates of variability across the population. The advent of patient-derived pluripotent stem cells and induced neural and glial cultures has brought hope for modeling the molecular dysfunction underlying SZ pathology in a patient-specific manner. Here I review the successes of the patient-specific induced cultures in generating different cell types for the study of SZ, with special emphasis on the utility of co-culture techniques, both two- and three-dimensional, for modeling network dysfunction in disease. PMID- 29218000 TI - Synapse-Specific Regulation Revealed at Single Synapses Is Concealed When Recording Multiple Synapses. AB - Synaptic transmission and its activity-dependent modulation, known as synaptic plasticity, are fundamental processes in nervous system function. Neurons may receive thousands of synaptic contacts, but synaptic regulation may occur only at individual or discrete subsets of synapses, which may have important consequences on the spatial extension of the modulation of synaptic information. Moreover, while several electrophysiological methods are used to assess synaptic transmission at different levels of observation, i.e., through local field potential and individual whole-cell recordings, their experimental limitations to detect synapse-specific modulation is poorly defined. We have investigated how well-known synapse-specific short-term plasticity, where some synapses are regulated and others left unregulated, mediated by astrocytes and endocannabinoid (eCB) signaling can be assessed at different observational levels. Using hippocampal slices, we have combined local field potential and whole-cell recordings of CA3-CA1 synaptic activity evoked by Schaffer collateral stimulation of either multiple or single synapses through bulk or minimal stimulation, respectively, to test the ability to detect short-term synaptic changes induced by eCB signaling. We also developed a mathematical model assuming a bimodal distribution of regulated and unregulated synapses based on realistic experimental data to simulate physiological results and to predict the experimental requirements of the different recording methods to detect discrete changes in subsets of synapses. We show that eCB-induced depolarization-induced suppression of excitation (DSE) and astrocyte-mediated synaptic potentiation can be observed when monitoring single or few synapses, but are statistically concealed when recording the activity of a large number of synapses. These results indicate that the electrophysiological methodology is critical to properly assess synaptic changes occurring in subsets of synapses, and they suggest that relevant synapse-specific regulatory phenomena may be experimentally undetected but may have important implications in the spatial extension of synaptic plasticity phenomena. PMID- 29218001 TI - Upregulation of Cdh1 Attenuates Isoflurane-Induced Neuronal Apoptosis and Long Term Cognitive Impairments in Developing Rats. AB - Neonatal exposure to isoflurane can result in neuroapoptosis and persistent cognitive impairments. However, the underlying mechanisms remain elusive. Anaphase-promoting complex/cyclosome (APC/C) and its co-activator Cdh1 are E3 ubiquitin ligases that play important roles in the central nervous system, including in the regulation of neuronal survival, synaptic development, and mammalian learning and memory. However, whether APC/C-Cdh1 is involved in isoflurane-induced neurotoxicity in developing rats remains unclear. In this study, postnatal day-7 (P7) rat pups and primary hippocampal neurons were exposed to 2% isoflurane for 6 h. Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining was used to detect neuronal apoptosis, and the expression of proteins involved in apoptosis (cleaved caspase-3, Bax and Bcl-2) was assessed by western blot. The level of Cdh1 in the hippocampus was downregulated during isoflurane-induced neuroapoptosis. Cdh1-encoding lentivirus was transfected before isoflurane-treatment to increase the level of Cdh1. Our results showed that Cdh1 overexpression by a recombinant Cdh1-encoding lentivirus reduced isoflurane-induced neuronal apoptosis. Moreover, bilateral intra hippocampal injection with Cdh1-encoding lentivirus attenuated long-term cognitive deficits after exposure to isoflurane in developing rats. Our study indicates that Cdh1 is an important target to prevent isoflurane-induced developmental neurotoxicity. PMID- 29218002 TI - Xenopus laevis as a Model Organism for the Study of Spinal Cord Formation, Development, Function and Regeneration. AB - The spinal cord is the first central nervous system structure to develop during vertebrate embryogenesis, underscoring its importance to the organism. Because of its early formation, accessibility to the developing spinal cord in amniotes is challenging, often invasive and the experimental approaches amenable to model systems like mammals are limited. In contrast, amphibians, in general and the African-clawed frog Xenopus laevis, in particular, offer model systems in which the formation of the spinal cord, the differentiation of spinal neurons and glia and the establishment of spinal neuron and neuromuscular synapses can be easily investigated with minimal perturbations to the whole organism. The significant advances on gene editing and microscopy along with the recent completion of the Xenopus laevis genome sequencing have reinvigorated the use of this classic model species to elucidate the mechanisms of spinal cord formation, development, function and regeneration. PMID- 29218003 TI - Eye-Drops for Activation of DREADDs. AB - Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) are an important tool for modulating and understanding neural circuits. Depending on the DREADD system used, DREADD-targeted neurons can be activated or repressed in vivo following a dose of the DREADD agonist clozapine-N-oxide (CNO). Because DREADD experiments often involve behavioral assays, the method of CNO delivery is important. Currently, the most common delivery method is intraperitoneal (IP) injection. IP injection is both a fast and reliable technique, but it is painful and stressful particularly when many injections are required. We sought an alternative CNO delivery paradigm, which would retain the speed and reliability of IP injections without being as invasive. Here, we show that CNO can be effectively delivered topically via eye-drops. Eye-drops robustly activated DREADD-expressing neurons in the brain and peripheral tissues and does so at the same dosages as IP injection. Eye-drops provide an easier, less invasive and less stressful method for activating DREADDs in vivo. PMID- 29218004 TI - Decoding of Self-paced Lower-Limb Movement Intention: A Case Study on the Influence Factors. AB - Brain-machine interfaces (BMIs) have been applied as new rehabilitation tools for motor disabled individuals. Active involvement of cerebral activity has been shown to enhance neuroplasticity and thus to restore mobility. Various studies have focused on the detection of upper-limb movement intention, while the fewer study has investigated the lower-limb movement intention decoding. This study presents a BMI to decode the self-paced lower-limb movement intention, with 10 healthy subjects participating in the experiment. We varied four influence factors including the movement type (dorsiflexion or plantar flexion), the limb side (left or right leg), the processing method (time-series analysis based on MRCP, i.e., movement-related cortical potential or frequency-domain estimation based on SMR, i.e., sensory motor rhythm) and the frequency band (e.g., delta, theta, mu, beta and MRCP band at [0.1 1] Hz), to estimate both single-trial and sample-based performance. Feature analysis was then conducted to show the discriminant power (DP) and brain modulations. The average detection latency was 0.334 +/- 0.216 s in single-trial basis across all conditions. An average area under the curve (AUC) of 91.0 +/- 3.5% and 68.2 +/- 4.6% was obtained for the MRCP-based and SMR-based method in the classification, respectively. The best performance was yielded from plantar flexion with left leg using time-series analysis on the MRCP band. The feature analysis indicated a cross-subject consistency of DP with the MRCP-based method and subject-specific variance of DP with the SMR-based method. The results presented here might be further exploited in a rehabilitation scenario. The comprehensive factor analysis might be used to shed light on the design of an effective brain switch to trigger external robotic devices. PMID- 29218005 TI - Distributed Neural Activity Patterns during Human-to-Human Competition. AB - Interpersonal interaction is the essence of human social behavior. However, conventional neuroimaging techniques have tended to focus on social cognition in single individuals rather than on dyads or groups. As a result, relatively little is understood about the neural events that underlie face-to-face interaction. We resolved some of the technical obstacles inherent in studying interaction using a novel imaging modality and aimed to identify neural mechanisms engaged both within and across brains in an ecologically valid instance of interpersonal competition. Functional near-infrared spectroscopy was utilized to simultaneously measure hemodynamic signals representing neural activity in pairs of subjects playing poker against each other (human-human condition) or against computer opponents (human-computer condition). Previous fMRI findings concerning single subjects confirm that neural areas recruited during social cognition paradigms are individually sensitive to human-human and human-computer conditions. However, it is not known whether face-to-face interactions between opponents can extend these findings. We hypothesize distributed effects due to live processing and specific variations in across-brain coherence not observable in single-subject paradigms. Angular gyrus (AG), a component of the temporal-parietal junction (TPJ) previously found to be sensitive to socially relevant cues, was selected as a seed to measure within-brain functional connectivity. Increased connectivity was confirmed between AG and bilateral dorsolateral prefrontal cortex (dlPFC) as well as a complex including the left subcentral area (SCA) and somatosensory cortex (SS) during interaction with a human opponent. These distributed findings were supported by contrast measures that indicated increased activity at the left dlPFC and frontopolar area that partially overlapped with the region showing increased functional connectivity with AG. Across-brain analyses of neural coherence between the players revealed synchrony between dlPFC and supramarginal gyrus (SMG) and SS in addition to synchrony between AG and the fusiform gyrus (FG) and SMG. These findings present the first evidence of a frontal-parietal neural complex including the TPJ, dlPFC, SCA, SS, and FG that is more active during human-to-human social cognition both within brains (functional connectivity) and across brains (across-brain coherence), supporting a model of functional integration of socially and strategically relevant information during live face-to-face competitive behaviors. PMID- 29218006 TI - Reduced Levels of the Synaptic Functional Regulator FMRP in Dentate Gyrus of the Aging Sprague-Dawley Rat. AB - Fragile X mental retardation protein (FMRP) encoded by Fragile X mental retardation 1 (FMR1) gene is a RNA-binding regulator of mRNA translation, transport and stability with multiple targets responsible for proper synaptic function. Epigenetic silencing of FMR1 gene expression leads to the development of Fragile X syndrome (FXS) that is characterized by intellectual disability and other behavioral problems including autism. In the rat FXS model, the lack of FMRP caused a deficit in hippocampal-dependent memory. However, the hippocampal changes of FMRP in aging rats are not fully elucidated. The current study addresses the changes in FMRP levels in dentate gyrus (DG) from young (17 weeks) and aging (22 months) Sprague - Dawley rats. The aging animal group showed significant decline in spatial reference memory. Protein samples from five rats per each group were analyzed by quantitative proteomic analysis resulting in 153 significantly changed proteins. FMRP showed significant reduction in aging animals which was confirmed by immunoblotting and immunofluorescence microscopy. Furthermore, bioinformatic analysis of the differential protein dataset revealed several functionally related protein groups with individual interactions with FMRP. These include high representation of the RNA translation and processing machinery connected to FMRP and other RNA-binding regulators including CAPRIN1, the members of Pumilio (PUM) and CUG-BP, Elav-like (CELF) family, and YTH N(6) methyladenosine RNA-binding proteins (YTHDF). The results of the current study point to the important role of FMRP and regulation of RNA processing in the rat DG and memory decline during the aging process. PMID- 29218007 TI - Alteration of Venous Drainage Route in Idiopathic Normal Pressure Hydrocephalus and Normal Aging. AB - Idiopathic normal pressure hydrocephalus (iNPH) is a highly prevalent condition in the elderly population; however, the underlying pathophysiology in relation to the aging process remains unclear. To investigate the effect of removal of cerebrospinal fluid by lumbar "tap test" on the cerebral circulation in patients with iNPH, 14 patients with "probable" iNPH were studied using a novel blood tracking technique based on blood oxygenation level-dependent (BOLD) magnetic resonance signal intensity. By tracking the propagation of the low-frequency component of the BOLD signal, extended venous drainage times were observed in the periventricular region of the patients, which was reversed by tap test. Interestingly, the venous drainage time in the periventricular region exhibited an age-related prolongation in the healthy control group. Additional regression analyses involving 81 control subjects revealed a dissociation of deep and superficial venous systems with increasing age, presumably reflecting focal inefficiency in the deep system. Our results not only provide insights into the etiology of iNPH, but also point to a potential non-invasive biomarker for screening iNPH. PMID- 29218008 TI - Improving the Adherence to Antiretroviral Therapy, a Difficult but Essential Task for a Successful HIV Treatment-Clinical Points of View and Practical Considerations. AB - HIV infection is responsible for one the most devastating human pandemics. The advent of antiretroviral therapy has changed the course of the pandemic and saved millions of lives. Complex therapeutic regimens have been introduced since 1996 and have contributed to the transformation of HIV infection into a treatable chronic diseases. New types of potent antiretrovirals and their combinations, including "once daily" treatment, have simplified the regimens and diminished side effects. Nevertheless the adherence to antiretroviral therapy remains unsatisfactory and varies between 27 and 80% across different population in various studies, compared with the required level of 95%. The lack of adherence to antiretroviral therapy is a multi-factorial and dynamic process which raises considerable difficulties for long-term follow-up. Current solutions to this problem are complex. These should be applied by a multidisciplinary team and should take into account key features related to both the individual and social factors as well as to the population to whom it belongs (children, teenagers, elderly, marginalized population like drug users, incarcerated patients, sex workers, etc.). Importantly, adherence should continue to be monitored even in patients known to be compliant. In case of subsequent failure the team should identify the reasons for non-adherence and apply the appropriate methods. Where usual methods have no chance of success, a coordinated package of services also known as "harm reduction" can be offered in order to reduce the risks of transmission. The current article analyses the concept of adherence to antiretroviral therapy, the shortcomings of this medication and the methods that can be applied in practice to increase adherence. Emphasis is placed on the analysis of groups at high risk for HIV infection that currently represent the spearhead with which the HIV pandemic is spreading. PMID- 29218011 TI - Pharmacogenetic Variation in Over 100 Genes in Patients Receiving Acenocumarol. AB - Coumarins are widely prescribed worldwide, and in Mexico acenocumarol is the preferred form. It is well known that despite its efficacy, coumarins show a high variability for dose requirements. We investigated the pharmacogenetic variation of 110 genes in patients receiving acenocumarol using a targeted NGS approach. We report relevant population differentiation for variants on CYP2C8, CYP2C19, CYP4F11, CYP4F2, PROS, and GGCX, VKORC1, CYP2C18, NQO1. A higher proportion of novel-to-known variants for 10 genes was identified on 41 core pharmacogenomics genes related to the PK (29), PD (3), of coumarins, and coagulation proteins (9) including, CYP1A1, CYP3A4, CYP3A5, and F8, and a low proportion of novel-to-known variants on CYP2E1, VKORC1, and SULT1A1/2. Using a Bayesian approach, we identified variants influencing acenocumarol dosing on, VKORC1 (2), SULT1A1 (1), and CYP2D8P (1) explaining 40-55% of dose variability. A collection of pharmacogenetic variation on 110 genes related to the PK/PD of coumarins is also presented. Our results offer an initial insight into the use of a targeted NGS approach in the pharmacogenomics of coumarins in Mexican Mestizos. PMID- 29218010 TI - Calenduloside E Analogues Protecting H9c2 Cardiomyocytes Against H2O2-Induced Apoptosis: Design, Synthesis and Biological Evaluation. AB - Modulation of apoptosis is therapeutically effective in cardiomyocytes damage. Calenduloside E (CE), a naturally occurring triterpenoid saponin, is a potent anti-apoptotic agent. However, little is known about its synthetic analogues on the protective effects in apoptosis of cardiomyocytes. The present research was performed to investigate the potential protective effect of CE analogues against H2O2-induced apoptosis in H9c2 cardiomyocytes and the underlying mechanisms. Sixteen novel CE anologues have been designed, synthesized and biological evaluation. Among the 16 CE anologues, as well as the positive control CE tested, compound 5d was the most effective in improving cardiomyocytes viability. Pretreatment with anologue 5d inhibited ROS generation, maintained the mitochondrial membrane potential and reduced apoptotic cardiomyocytes. Moreover, exposure to H2O2 significantly increased the levels of Bax, cleaved caspase-3, and cleaved PARP, and decreased the level of Bcl-2, resulting in cell apoptosis. Pretreatment with anologue 5d (0.02-0.5 MUg/mL) dose-dependently upregulated antiapoptotic proteins and downregulated proapoptotic proteins mentioned above during H2O2-induced apoptosis. These results suggested that CE analogues provide protection to H9c2 cardiomyocytes against H2O2-induced oxidative stress and apoptosis, most likely via anti-apoptotic mechanism, and provided the basis for the further optimization of the CE analogues. PMID- 29218012 TI - Anti-tumor Effect of Rhaponticum uniflorum Ethyl Acetate Extract by Regulation of Peroxiredoxin1 and Epithelial-to-Mesenchymal Transition in Oral Cancer. AB - Objective: To explore whether Rhaponticum uniflorum (R. uniflorum) had anti-tumor effects in oral cancer and investigate the molecular mechanisms involved in these anti-tumor effects. Methods: Chemical compositions of R. uniflorum ethyl acetate (RUEA) extracts were detected by ultra-performance liquid chromatography-Q/time of-flight mass spectrometry (UPLC-Q/TOF-MS), followed by pharmacology-based network prediction analysis. The effects of RUEA extracts on proliferation, apoptosis, migration, and invasion ability of human oral squamous cell carcinoma (OSCC) cell line SCC15 were evaluated by CCK8 assay, Annexin V- fluorescein isothiocyanate/propidium iodide staining, wound healing assay, and Matrigel invasion assay, respectively. The mRNA and protein expression of peroxiredoxin1 (Prx1), the epithelial-to-mesenchymal transition (EMT) marker E-cadherin, vimentin, and Snail were determined by quantitative real-time reverse transcription polymerase chain reaction and western blotting. A mouse xenograft model of SCC15 cells was established to further evaluate the effect of RUEA extracts in vivo. Immunohistochemical assessment of Ki67 and terminal deoxynucleotidyl transferase dUTP nick end labeling staining of apoptotic cells were performed on the tumor tissues to assess the effects of RUEA extracts on proliferation and apoptosis. Results: Fourteen compounds were identified from RUEA extracts by UPLC-Q/TOF-MS. The pharmacology-based network prediction analysis showed that Prx1 could be a potential binder of RUEA extracts. In SCC15 cells, RUEA extracts inhibited cell viability, induced apoptosis, and suppressed cell invasion and migration in a concentration-dependent manner. After treatment with RUEA extracts, the mRNA and protein expression of E-cadherin increased, whereas those of Prx1, vimentin, and Snail decreased. RUEA extracts also affected the EMT program and suppressed cell invasion and migration in Prx1 knockdown SCC15 cells. In an OSCC mouse xenograft model, RUEA extracts (25 and 250 mg/kg) significantly inhibited the growth of tumors. Compared with the control group, Ki67 expression was reduced and apoptosis rates were elevated in the transplanted tumors treated with RUEA extracts. RUEA extracts increased the expression of E cadherin and decreased the expression of Prx1, vimentin, and Snail in vivo. Conclusion: RUEA extracts inhibited tumor growth and invasion by reducing Prx1 expression and suppressing the EMT process in OSCC. RUEA extracts may be a potential candidate for OSCC treatment. PMID- 29218009 TI - Drugs and Targets in Fibrosis. AB - Fibrosis contributes to the development of many diseases and many target molecules are involved in fibrosis. Currently, the majority of fibrosis treatment strategies are limited to specific diseases or organs. However, accumulating evidence demonstrates great similarities among fibroproliferative diseases, and more and more drugs are proved to be effective anti-fibrotic therapies across different diseases and organs. Here we comprehensively review the current knowledge on the pathological mechanisms of fibrosis, and divide factors mediating fibrosis progression into extracellular and intracellular groups. Furthermore, we systematically summarize both single and multiple component drugs that target fibrosis. Future directions of fibrosis drug discovery are also proposed. PMID- 29218013 TI - Lung Oxidative Stress, DNA Damage, Apoptosis, and Fibrosis in Adenine-Induced Chronic Kidney Disease in Mice. AB - It is well-established that there is a crosstalk between the lung and the kidney, and several studies have reported association between chronic kidney disease (CKD) and pulmonary pathophysiological changes. Experimentally, CKD can be caused in mice by dietary intake of adenine. Nevertheless, the consequence of such intervention on the lung received only scant attention. Here, we assessed the pulmonary effects of adenine (0.2% w/w in feed for 4 weeks)-induced CKD in mice by assessing various physiological histological and biochemical endpoints. Adenine treatment induced a significant increase in urine output, urea and creatinine concentrations, and it decreased the body weight and creatinine clearance. It also increased proteinuria and the urinary levels of kidney injury molecule-1 and neutrophil gelatinase-associated lipocalin. Compared with control group, the histopathological evaluation of lungs from adenine-treated mice showed polymorphonuclear leukocytes infiltration in alveolar and bronchial walls, injury, and fibrosis. Moreover, adenine caused a significant increase in lung lipid peroxidation and reactive oxygen species and decreased the antioxidant catalase. Adenine also induced DNA damage assessed by COMET assay. Similarly, adenine caused apoptosis in the lung characterized by a significant increase of cleaved caspase-3. Moreover, adenine induced a significant increase in the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) in the lung. We conclude that administration of adenine in mice induced CKD is accompanied by lung oxidative stress, DNA damage, apoptosis, and Nrf2 expression and fibrosis. PMID- 29218014 TI - Acute Effects of Positive Airway Pressure on Functional Mitral Regurgitation in Patients with Systolic Heart Failure. AB - Background: Acute effects of positive airway pressure (PAP) [including continuous PAP (CPAP) and adaptive servo-ventilation, an advanced form of bi-level PAP] on functional mitral regurgitation (fMR) in patients with heart failure (HF) with left ventricular (LV) systolic dysfunction remain unclear. Thus, whether PAP therapy reduces fMR in such patients with HF was investigated. Methods and Results: Twenty patients with HF and LV systolic dysfunction defined as LV ejection fraction (LVEF) <50% (14 men; mean LVEF, 35.0 +/- 11.5%) with fMR underwent echocardiography during 10-min CPAP (4 and 8 cm H2O) and adaptive servo ventilation. For fMR assessment, MR jet area fraction, defined as the ratio of MR jet on color Doppler to the left atrial area, was measured. The forward stroke volume (SV) index (fSVI) was calculated from the time-velocity integral, cross sectional area of the aortic annulus, and body surface area. fMR significantly reduced on CPAP at 8 cm H2O (0.30 +/- 0.12) and adaptive servo-ventilation (0.29 +/- 0.12), compared with the baseline phase (0.37 +/- 0.12) and CPAP at 4 cm H2O (0.34 +/- 0.12) (P < 0.001). The fSVI did not change in any of the PAP sessions (P = 0.888). However, significant differences in fSVI responses to PAP were found between sexes (P for interaction, 0.006), with a significant reduction in fSVI in women (P = 0.041) and between patients with baseline fSVI >= and < the median value (27.8 ml/m2, P for interaction, 0.018), with a significant fSVI reduction in patients with high baseline fSVI (P = 0.028). In addition, significant differences were found in fSVI responses to PAP between patients with LV end systolic volume (LVESV) index >= and < the median value (62.0 ml/m2, P for interaction, 0.034), with a significant fSVI increase in patients with a high LVESV index (P = 0.023). Conclusion: In patients with HF, LV systolic dysfunction, and fMR, PAP can alleviate fMR without any overall changes in forward SV. However, MR alleviation due to PAP might be associated with a decrease in forward SV in women with high baseline SV, whereas MR alleviation due to PAP might be accompanied by increased forward SV in patients with a dilated LV. PMID- 29218015 TI - Trimethylamine N-oxide Supplementation Abolishes the Cardioprotective Effects of Voluntary Exercise in Mice Fed a Western Diet. AB - Excessive consumption of western diet (WD) induces obesity, resulting in cardiac dysfunction. Voluntary exercise ameliorates WD-induced obesity, but its effect on cardiac dysfunction remains unclear. Recent evidence suggests that elevated trimethylamine N-oxide (TMAO), a gut microbe-derived metabolite, can impair cardiac function in WD-induced obesity. We hypothesized that cardiac dysfunction in WD-induced obesity would be prevented by voluntary exercise but abolished by TMAO supplementation. Male CD1 mice fed a WD were assigned to sedentary, exercise or exercise with TMAO treatment for 8 weeks. Male CD1 mice fed a normal diet (ND) for 8 weeks were assigned to sedentary (control). Compared with ND-sedentary mice, WD-sedentary mice gained significantly more body weight and displayed metabolic abnormalities at the end of the experiment. Echocardiography showed significantly impaired cardiac systolic and diastolic function in WD-induced obese mice. Voluntary exercise partially attenuated weight gain and metabolic disorders, but completely prevented cardiac dysfunction in WD-induced obese mice. Molecular studies revealed that WD-sedentary mice had elevated plasma TMAO levels, along with increased myocardial inflammation and fibrosis, all of which were inhibited by voluntary exercise. Of note, concomitant administration of TMAO had no effects on body weight and metabolic disorders, but it abolished the beneficial effects of voluntary exercise on cardiac dysfunction, myocardial inflammation, and fibrosis in WD-induced obese mice. The results suggest that voluntary exercise prevents cardiac dysfunction in WD-induced obesity by inhibiting myocardial inflammation and fibrosis. Moreover, the cardioprotective effects of voluntary exercise in WD-induced obesity can be abolished by TMAO supplementation, which abrogates voluntary exercise-induced changes in myocardial inflammation and fibrosis. PMID- 29218016 TI - Synergistic Anti-arrhythmic Effects in Human Atria with Combined Use of Sodium Blockers and Acacetin. AB - Atrial fibrillation (AF) is the most common cardiac arrhythmia. Developing effective and safe anti-AF drugs remains an unmet challenge. Simultaneous block of both atrial-specific ultra-rapid delayed rectifier potassium (K+) current (IKur) and the Na+ current (INa) has been hypothesized to be anti-AF, without inducing significant QT prolongation and ventricular side effects. However, the antiarrhythmic advantage of simultaneously blocking these two channels vs. individual block in the setting of AF-induced electrical remodeling remains to be documented. Furthermore, many IKur blockers such as acacetin and AVE0118, partially inhibit other K+ currents in the atria. Whether this multi-K+-block produces greater anti-AF effects compared with selective IKur-block has not been fully understood. The aim of this study was to use computer models to (i) assess the impact of multi-K+-block as exhibited by many IKur blokers, and (ii) evaluate the antiarrhythmic effect of blocking IKur and INa, either alone or in combination, on atrial and ventricular electrical excitation and recovery in the setting of AF-induced electrical-remodeling. Contemporary mathematical models of human atrial and ventricular cells were modified to incorporate dose-dependent actions of acacetin (a multichannel blocker primarily inhibiting IKur while less potently blocking Ito, IKr, and IKs). Rate- and atrial-selective inhibition of INa was also incorporated into the models. These single myocyte models were then incorporated into multicellular two-dimensional (2D) and three-dimensional (3D) anatomical models of the human atria. As expected, application of IKur blocker produced pronounced action potential duration (APD) prolongation in atrial myocytes. Furthermore, combined multiple K+-channel block that mimicked the effects of acacetin exhibited synergistic APD prolongations. Synergistically anti AF effects following inhibition of INa and combined IKur/K+-channels were also observed. The attainable maximal AF-selectivity of INa inhibition was greatly augmented by blocking IKur or multiple K+-currents in the atrial myocytes. This enhanced anti-arrhythmic effects of combined block of Na+- and K+-channels were also seen in 2D and 3D simulations; specially, there was an enhanced efficacy in terminating re-entrant excitation waves, exerting improved antiarrhythmic effects in the human atria as compared to a single-channel block. However, in the human ventricular myocytes and tissue, cellular repolarization and computed QT intervals were modestly affected in the presence of actions of acacetin and INa blockers (either alone or in combination). In conclusion, this study demonstrates synergistic antiarrhythmic benefits of combined block of IKur and INa, as well as those of INa and combined multi K+-current block of acacetin, without significant alterations of ventricular repolarization and QT intervals. This approach may be a valuable strategy for the treatment of AF. PMID- 29218017 TI - Six2 Plays an Intrinsic Role in Regulating Proliferation of Mesenchymal Cells in the Developing Palate. AB - Cleft palate is a common congenital abnormality that results from defective secondary palate (SP) formation. The Sine oculis-related homeobox 2 (Six2) gene has been linked to abnormalities of craniofacial and kidney development. Our current study examined, for the first time, the specific role of Six2 in embryonic mouse SP development. Six2 mRNA and protein expression were identified in the palatal shelves from embryonic days (E)12.5 to E15.5, with peak levels during early stages of palatal shelf outgrowth. Immunohistochemical staining (IHC) showed that Six2 protein is abundant throughout the mesenchyme in the oral half of each palatal shelf, whereas there is a pronounced decline in Six2 expression by mesenchyme cells in the nasal half of the palatal shelf by stages E14.5-15.5. An opposite pattern was observed in the surface epithelium of the palatal shelf. Six2 expression was prominent at all stages in the epithelial cell layer located on the nasal side of each palatal shelf but absent from the epithelium located on the oral side of the palatal shelf. Six2 is a putative downstream target of transcription factor Hoxa2 and we previously demonstrated that Hoxa2 plays an intrinsic role in embryonic palate formation. We therefore investigated whether Six2 expression was altered in the developing SP of Hoxa2 null mice. Reverse transcriptase PCR and Western blot analyses revealed that Six2 mRNA and protein levels were upregulated in Hoxa2-/- palatal shelves at stages E12.5-14.5. Moreover, the domain of Six2 protein expression in the palatal mesenchyme of Hoxa2-/- embryos was expanded to include the entire nasal half of the palatal shelf in addition to the oral half. The palatal shelves of Hoxa2-/- embryos displayed a higher density of proliferating, Ki-67 positive palatal mesenchyme cells, as well as a higher density of Six2/Ki-67 double-positive cells. Furthermore, Hoxa2-/- palatal mesenchyme cells in culture displayed both increased proliferation and elevated Cyclin D1 expression relative to wild-type cultures. Conversely, siRNA-mediated Six2 knockdown restored proliferation and Cyclin D1 expression in Hoxa2-/- palatal mesenchyme cultures to near wild-type levels. Our findings demonstrate that Six2 functions downstream of Hoxa2 as a positive regulator of mesenchymal cell proliferation during SP development. PMID- 29218018 TI - Aerobic Interval Training and Cardiometabolic Health in Patients with Type 2 Diabetes: A Meta-Analysis. AB - Vigorous to maximal aerobic interval training (INT) has received remarkable interest in improving cardiometabolic outcomes for type 2 diabetes patients recently, yet with inconsistent findings. This meta-analysis was aimed to quantify its effectiveness in type 2 diabetes. Randomized controlled trials (RCTs) were identified by searches of 3 databases to October 2017, which evaluated the effects of INT with a minimal training duration of 8 weeks vs. moderate-intensity continuous training (MICT) or non-exercise training (NET) among type 2 diabetes patients on outcomes including cardiorespiratory fitness, glycemic control, body composition, blood pressure, and lipid profiles. Weighted mean differences with 95% confidence intervals (CIs) were calculated with the random-effects model. Nine datasets from 7 RCTs with 189 patients were included. Compared with MICT, INT improved maximal oxygen consumption (VO2max) by 2.60 ml/kg/min (95% CI: 1.32 to 3.88 ml/kg/min, P <0.001) and decreased hemoglobin A1c (HbA1c) by 0.26% (95% CI: -0.46% to -0.07%, P = 0.008). These outcomes for INT were also significant vs. energy expenditure-matched MICT, with VO2max increased by 2.18 ml/kg/min (P = 0.04) and HbA1c decreased by 0.28% (P = 0.01). Yet their magnitudes of changes were larger compared with NET, with VO2max increased by 6.38 ml/kg/min (P <0.001) and HbA1c reduced by 0.83% (P = 0.004). Systolic blood pressure could be lowered by INT compared with energy expenditure-matched MICT or NET (both P <0.05), but other cardiometabolic markers and body composition were not significantly altered in general. In conclusion, despite a limited number of studies, INT improves cardiometabolic health especially for VO2max and HbA1c among patients with type 2 diabetes, and might be considered an alternative to MICT. Yet the optimal training protocols still require to be established. PMID- 29218019 TI - Dietary n-3 Polyunsaturated Fatty Acids in Late Pregnancy and Postpartum Depressive Symptom among Japanese Women. AB - Background: The use of n-3 polyunsaturated fatty acids (n-3PUFA) in preventive or therapeutic modalities for postpartum depression, especially long-chain types such as eicosapentaenoic acid (EPA) and a docosahexaenoic acid (DHA), is of considerable interest. High n-3PUFA consumption has been reported among pregnant Japanese women. Therefore, analysis of this group could provide important insights into the relationship between postpartum depression and dietary n-3PUFA consumption. To further examine the relationship between the risk of postpartum depression and n-3PUFA consumption, we conducted a prospective hospital-based birth cohort study in Japan. Design and methods: Our prospective birth cohort study was performed at the National Center for Child Health and Development (NCCHD) in suburban Tokyo, Japan. Dietary n-3PUFA intake during late pregnancy was assessed by a semi-quantitative food questionnaire and participants were categorized by quintile distributions of n-3PUFA intake. A Japanese translation of the Edinburgh Postnatal Depression Scale was used to screen women for postpartum depression at 1 month after delivery (967 women) and at 6 months after delivery (710 women). We performed logistic regression analysis to examine the relationship between the risk of postpartum depression and n-3PUFA consumption after adjusting for confounding factors. Results: Significant associations between EPA, DHA, and n-3PUFA intakes in late pregnancy and postpartum depression at both 1 and 6 months after delivery were not observed. Conclusion: This prospective study indicated that EPA, DHA, and n-3PUFA intake during late pregnancy was not associated with the risk of postpartum depression. PMID- 29218020 TI - Peripheral Immune Alterations in Major Depression: The Role of Subtypes and Pathogenetic Characteristics. AB - Depression has been associated with peripheral inflammatory processes and alterations in cellular immunity. Growing evidence suggests that immunological alterations may neither be necessary nor sufficient to induce depression in general, but seem to be associated with specific features. Using baseline data from the Outcome of Psychological Interventions in Depression trial, this exploratory study examines associations between depression subtypes and pathogenetic characteristics (i.e., melancholic vs non-melancholic depression, chronic vs non-chronic depression, age of onset, cognitive-affective and somatic symptom dimensions) with plasma levels of C-reactive protein (CRP), interleukin (IL)-6, IL-10, and numbers of leukocyte subpopulations in 98 patients with major depression (MD) and 30 age and sex-matched controls. Patients with MD exhibited higher CRP levels, higher neutrophil and monocyte counts, lower IL-10 levels, and an increased neutrophil to lymphocyte ratio (NLR) than controls. Patient with later age of onset had higher levels of two inflammatory markers (CRP, NLR) and lower cytotoxic T cell counts after adjusting for sociodemographics, lifestyle factors, and antidepressants. Furthermore, lower anti-inflammatory IL-10 levels were related to more severe somatic depressive symptoms. These results confirm and extend previous findings suggesting that increased levels of CRP are associated with a later onset of depression and demonstrate that also NLR as a subclinical inflammatory marker is related to a later onset of depression. PMID- 29218021 TI - The Effects of Different Isocaloric Oral Nutrient Solutions on Psychophysical, Metabolic, Cognitive, and Olfactory Function in Young Male Subjects. AB - Food intake influences human cognition, olfaction, hunger, and food craving. However, little research has been done in this field to elucidate the effects of different nutrients. Thus, the goal of our study was to investigate the effects of oral ingestion of different nutrient solutions on olfactory, cognitive, metabolic and psychophysical function. Twenty healthy men participated in our study employing a double-blind, cross-over, repeated measurement design. Participants were tested on four different study days. Each day participants received, in randomized order, one of three isocaloric (protein, carbohydrate or fat 600 kcal, 1,500 mL) solutions or a placebo. Olfactory and cognitive tests (monitoring only) were conducted three times, i.e., 60 min before the beginning of nutrient intake, following oral ingestion of the solution and 60, and 240 min after. Psychophysical and metabolic function tests (active grehlin, desacyl ghrelin, insulin, glucagon, glucose, triglyceride, urea) were performed 7 times on each examination day (observation period: -60 min, 0 = solution intake, +60, +120, +180, +240, and +300 min). Ratings of hunger and food craving significantly differed over the observation period with lowest ratings following application of the protein solution. Highest ratings of craving were found following placebo intake. We further observed a significant positive correlation of active grehlin with hunger and fat, protein and sweets craving for each nutrient solution. Active grehlin significantly correlated with carbohydrate craving for carbohydrate and fat solution and with vegetable craving for fat solution only. Hunger hormone levels, hunger and food craving ratings demonstrated that the hierarchical order that appears in satiating efficiencies of isovolumetric isocaloric ingested macronutrients is protein > fat > carbohydrate. Our study reveals that the type of nutrient exerts a significant influence on metabolic parameters, hunger and food craving. PMID- 29218022 TI - Association between Unintentional Interpersonal Postural Coordination Produced by Interpersonal Light Touch and the Intensity of Social Relationship. AB - Interpersonal postural coordination (IPC) produced by interpersonal light touch (ILT), whereby time-series variations in the postural sway between two people unintentionally resemble each other, may be a possible social interaction. From a sociopsychological standpoint, close mutual behavioral coordination is recognized as "social glue," which represents the closeness of relationships and contributes to the building of a good rapport. Therefore, we hypothesized that if IPC functions as social glue, then IPC produced by ILT also represents a social relationship. Participants were dyadic pairs with a preexisting social relationship (acquaintance, friend, or best-friend), and we assessed the closeness between the partners. Postural sway in two quiet standing conditions-no touch (NT) and ILT (a mutual light touch with <1 N) condition-was concurrently measured with the side-by-side standing position, and the association of IPC with intradyadic closeness (rapport) was analyzed using hierarchical linear modeling. The results showed that unintentional IPC was higher in both axes of the ILT condition than in NT condition. Additionally, IPC in the mediolateral axis (the partner side) of the ILT condition was positively correlated with intradyadic closeness, whereas that in the anteroposterior axis (the non-partner side) showed a negative association. As expected, IPC represented intradyadic closeness (rapport). Results indicate that, in unintentional IPC produced by ILT, the priority of processing sensory feedback for postural control, which is received from the individual and a partner, is modulated depending on the rapport in interactional coupled feedback loops between the two individuals (i.e., good rapport increases the degree of taking in feedback from a partner). Thus, unintentional IPC produced by ILT functions as social glue, and it provides an understanding of the sociopsychological aspect in the human-to-human postural coordination mechanism. PMID- 29218023 TI - On the Diversity of Linguistic Data and the Integration of the Language Sciences. AB - An integrated science of language is usually advocated as a step forward for linguistic research. In this paper, we maintain that integration of this sort is premature, and cannot take place before we identify a common object of study. We advocate instead a science of language that is inherently multi-faceted, and takes into account the different viewpoints as well as the different definitions of the object of study. We also advocate the use of different data sources, which, if non-contradictory, can provide more solid evidence for linguistic analysis. Last, we argue that generative grammar is an important tile in the puzzle. PMID- 29218024 TI - Impact of Spatial and Verbal Short-Term Memory Load on Auditory Spatial Attention Gradients. AB - Short-term memory load can impair attentional control, but prior work shows that the extent of the effect ranges from being very general to very specific. One factor for the mixed results may be reliance on point estimates of memory load effects on attention. Here we used auditory attention gradients as an analog measure to map-out the impact of short-term memory load over space. Verbal or spatial information was maintained during an auditory spatial attention task and compared to no-load. Stimuli were presented from five virtual locations in the frontal azimuth plane, and subjects focused on the midline. Reaction times progressively increased for lateral stimuli, indicating an attention gradient. Spatial load further slowed responses at lateral locations, particularly in the left hemispace, but had little effect at midline. Verbal memory load had no (Experiment 1), or a minimal (Experiment 2) influence on reaction times. Spatial and verbal load increased switch costs between memory encoding and attention tasks relative to the no load condition. The findings show that short-term memory influences the distribution of auditory attention over space; and that the specific pattern depends on the type of information in short-term memory. PMID- 29218025 TI - Stimulating the Right Temporoparietal Junction with tDCS Decreases Deception in Moral Hypocrisy and Unfairness. AB - Self-centered and other-regarding concerns play important roles in decisions of deception. To investigate how these two motivations affect deception in fairness related moral hypocrisy, we modulated the brain activity in the right temporoparietal junction (rTPJ), the key region for decision making involved in self-centered and other-regarding concerns. After receiving brain stimulation with transcranial direct current stimulation (tDCS), participants finished a modified dictator game. In the game, they played as proposers to make allocations between themselves and recipients and had a chance to deceive by misreporting their totals for allocations. Results show that deception in moral hypocrisy was decreased after anodal stimulation than sham and cathodal stimulation, only when participants know that their reported totals (appearing fair) would be revealed to recipients rather than being unrevealed. Anodal stimulation also increased offers to recipients than cathodal stimulation regardless of the revelation of reported totals. These findings suggest that enhancing the activity of rTPJ decreased deception caused by impression management rather than self-deception in moral hypocrisy and unfairness through facilitating other-regarding concerns and weakening non-material self-centered motivations. They provide causal evidence for the role of rTPJ in both other-regarding concerns and non-material self centered motivations, shedding light on the way to decrease moral hypocrisy. PMID- 29218026 TI - Contests versus Norms: Implications of Contest-Based and Norm-Based Intervention Techniques. AB - Interventions using either contests or norms can promote environmental behavioral change. Yet research on the implications of contest-based and norm-based interventions is lacking. Based on Goal-framing theory, we suggest that a contest based intervention frames a gain goal promoting intensive but instrumental behavioral engagement. In contrast, the norm-based intervention was expected to frame a normative goal activating normative obligations for targeted and non targeted behavior and motivation to engage in pro-environmental behaviors in the future. In two studies participants (n = 347) were randomly assigned to either a contest- or a norm-based intervention technique. Participants in the contest showed more intensive engagement in both studies. Participants in the norm-based intervention tended to report higher intentions for future energy conservation (Study 1) and higher personal norms for non-targeted pro-environmental behaviors (Study 2). These findings suggest that contest-based intervention technique frames a gain goal, while norm-based intervention frames a normative goal. PMID- 29218027 TI - Corrigendum: Assessing Metabolism and Injury in Acute Human Traumatic Brain Injury with Magnetic Resonance Spectroscopy: Current and Future Applications. AB - [This corrects the article on p. 426 in vol. 8, PMID: 28955291.]. PMID- 29218028 TI - The Folate Cycle As a Cause of Natural Killer Cell Dysfunction and Viral Etiology in Type 1 Diabetes. AB - The folate pathway is critical to proper cellular function and metabolism. It is responsible for multiple functions, including energy (ATP) production, methylation reactions for DNA and protein synthesis and the production of immunomodulatory molecules, inosine and adenosine. These play an important role in immune signaling and cytotoxicity. Herein, we hypothesize that defects in the folate pathway in genetically susceptible individuals could lead to immune dysfunction, permissive environments for chronic cyclical latent/lytic viral infection, and, ultimately, the development of unchecked autoimmune responses to infected tissue, in this case islet beta cells. In the context of type 1 diabetes (T1D), there has been a recent increase in newly diagnosed cases of T1D in the past 20 years that has exceeded previous epidemiological predictions with yet unidentified factor(s). This speaks to a potential environmental trigger that adversely affects immune responses. Most research into the immune dysfunction of T1D has focused on downstream adaptive responses of T and B cells neglecting the role of the upstream innate players such as natural killer (NK) cells. Constantly, surveilling the blood and tissues for pathogens, NK cells remove threats through direct cytotoxic responses and recruitment of adaptive responses using cytokines, such as IL-1beta and IFN-gamma. One long-standing hypothesis suggests viral infection as a potential trigger for the autoimmune response in T1D. Recent data suggest multiple viruses as potential causal agents. Intertwined with this is an observed reduced NK cell enumeration, cytotoxicity, and cytokine signaling in T1D patients. Many of the viruses implicated in T1D are chronic latent/lysogenic infections with demonstrated capacity to reduce NK cell response and number through mechanisms that resemble those of pregnancy tolerance. Defects in the folate pathway in T1D patients could result in decreased immune response to viral infection or viral reactivation. Dampened NK responses to infections result in improper signaling, improper antigen presentation, and amplified CD8+ lymphocyte proliferation and cytotoxicity, a hallmark of beta cell infiltrates in patients with T1D onset. This would suggest a critical role for NK cells in T1D development linked to viral infection and the importance of the folate pathway in maintaining proper NK response. PMID- 29218029 TI - Microvascular Complications in Type 1 Diabetes: A Comparative Analysis of Patients Treated with Autologous Nonmyeloablative Hematopoietic Stem-Cell Transplantation and Conventional Medical Therapy. AB - Objective: To explore the impact on microvascular complications, long-term preservation of residual B-cell function and glycemic control of patients with type 1 diabetes treated with autologous nonmyeloablative hematopoietic stem-cell transplantation (AHST) compared with conventional medical therapy (CT). Research design and methods: Cross-sectional data of patients treated with AHST were compared with patients who received conventional therapy from the Brazilian Type 1 Diabetes Study Group, the largest multicenter observational study in type 1 diabetes mellitus in Brazil. Both groups of patients had diabetes for 8 years on average. An assessment comparison was made on the presence of microvascular complications, residual function of B cell, A1c, and insulin dose of the patients. Results: After a median of 8 years of diagnosis, none of the AHST treated patients (n = 24) developed microvascular complications, while 21.5% (31/144) had at least one (p < 0.005) complication in the CT group (n = 144). Furthermore, no case of nephropathy was reported in the AHST group, while 13.8% of CT group (p < 0.005) developed nephropathy during the same period. With regard of residual B-cell function, the percentage of individuals with predicted higher C-peptide levels (IDAA1C <= 9) was about 10-fold higher in the AHST group compared with CT (75 vs. 8.3%) (p < 0.001) group. Among AHST patients, 54.1% (13/24) had the HbA1c < 7.0 compared with 13.1% in the CT (p < 0.001) group. Conclusion: Patients with newly diagnosed type 1 diabetes treated with AHST presented lower prevalence of microvascular complications, higher residual B-cell function, and better glycemic control compared with the CT group. PMID- 29218030 TI - In Situ Antibacterial Activity of Essential Oils with and without Alcohol on Oral Biofilm: A Randomized Clinical Trial. AB - Currently, there is little evidence on the in situ antibacterial activity of essential oils (EO) without alcohol. This study aimed to evaluate in situ the substantivity and antiplaque effect on the plaque-like biofilm (PL-biofilm) of two solutions, a traditional formulation that contains EO with alcohol (T-EO) and an alcohol-free formulation of EO (Af-EO). Eighteen healthy adults performed a single mouthwash of: T-EO, Af-EO, and sterile water (WATER) after wearing an individualized disk-holding splint for 2 days. The bacterial viability (BV) and thickness of the PL-biofilm were quantified at baseline, 30 s, and 1, 3, 5, and 7 h post-rinsing (Test 1). Subsequently, each volunteer wore the splint for 4 days, applying two daily mouthwashes of: T-EO, Af-EO, and WATER. The BV, thickness, and covering grade (CG) of the PL-biofilm were quantified (Test 2). Samples were analyzed by confocal laser scanning microscopy after staining with the LIVE/DEAD(r) BacLightTM solution. To conduct the computations of the BV automatically, a Matlab toolbox called Dentius Biofilm was developed. In test 1, both EO antiseptics had a similar antibacterial effect, reducing BV after a single rinse compared to the WATER, and keeping it below baseline levels up to 7 h post-rinse (P < 0.001). The mean thickness of the PL-biofilm after rinsing was not affected by any of the EO formulations and ranged from 18.58 to 20.19 MUm. After 4 days, the T-EO and Af-EO solutions were significantly more effective than the WATER, reducing the BV, thickness, and CG of the PL-biofilm (P < 0.001). Although, both EO antiseptics presented a similar bactericidal activity, the Af EO rinses led to more significant reductions in the thickness and CG of the PL biofilm than the T-EO rinses (thickness = 7.90 vs. 9.92 MUm, P = 0.012; CG = 33.36 vs. 46.61%, P = 0.001). In conclusion, both essential oils antiseptics had very high immediate antibacterial activity and substantivity in situ on the 2-day PL-biofilm after a single mouthwash. In the 4-day PL-biofilm, both essential oils formulations demonstrated a very good antiplaque effect in situ, although the alcohol-free formula performed better at reducing the biofilm thickness and covering grade. PMID- 29218032 TI - Surface Proteins of Lactococcus lactis: Bacterial Resources for Muco-adhesion in the Gastrointestinal Tract. AB - Food and probiotic bacteria, in particular lactic acid bacteria, are ingested in large amounts by humans and are part of the transient microbiota which is increasingly considered to be able to impact the resident microbiota and thus possibly the host health. The lactic acid bacterium Lactococcus lactis is extensively used in starter cultures to produce dairy fermented food. Also because of a generally recognized as safe status, L. lactis has been considered as a possible vehicle to deliver in vivo therapeutic molecules with anti inflammatory properties in the gastrointestinal tract. One of the key factors that may favor health effects of beneficial bacteria to the host is their capacity to colonize transiently the gut, notably through close interactions with mucus, which covers and protects the intestinal epithelium. Several L. lactis strains have been shown to exhibit mucus-binding properties and bacterial surface proteins have been identified as key determinants of such capacity. In this review, we describe the different types of surface proteins found in L. lactis, with a special focus on mucus-binding proteins and pili. We also review the different approaches used to investigate the adhesion of L. lactis to mucus, and particularly to mucins, one of its major components, and we present how these approaches allowed revealing the role of surface proteins in muco-adhesion. PMID- 29218031 TI - CRISPR-Cas Systems in Bacteroides fragilis, an Important Pathobiont in the Human Gut Microbiome. AB - Background: While CRISPR-Cas systems have been identified in bacteria from a wide variety of ecological niches, there are no studies to describe CRISPR-Cas elements in Bacteroides species, the most prevalent anaerobic bacteria in the lower intestinal tract. Microbes of the genus Bacteroides make up ~25% of the total gut microbiome. Bacteroides fragilis comprises only 2% of the total Bacteroides in the gut, yet causes of >70% of Bacteroides infections. The factors causing it to transition from benign resident of the gut microbiome to virulent pathogen are not well understood, but a combination of horizontal gene transfer (HGT) of virulence genes and differential transcription of endogenous genes are clearly involved. The CRISPR-Cas system is a multi-functional system described in prokaryotes that may be involved in control both of HGT and of gene regulation. Results: Clustered regularly interspaced short palindromic repeats (CRISPR) elements in all strains of B. fragilis (n = 109) with publically available genomes were identified. Three different CRISPR-Cas types, corresponding most closely to Type IB, Type IIIB, and Type IIC, were identified. Thirty-five strains had two CRISPR-Cas types, and three strains included all three CRISPR-Cas types in their respective genomes. The cas1 gene in the Type IIIB system encoded a reverse-transcriptase/Cas1 fusion protein rarely found in prokaryotes. We identified a short CRISPR (3 DR) with no associated cas genes present in most of the isolates; these CRISPRs were found immediately upstream of a hipA/hipB operon and we speculate that this element may be involved in regulation of this operon related to formation of persister cells during antimicrobial exposure. Also, blood isolates of B. fragilis did not have Type IIC CRISPR-Cas systems and had atypical Type IIIB CRISPR-Cas systems that were lacking adjacent cas genes. Conclusions: This is the first systematic report of CRISPR-Cas systems in a wide range of B. fragilis strains from a variety of sources. There are four apparent CRISPR-Cas systems in B. fragilis-three systems have adjacent cas genes. Understanding CRISPR/Cas function in B. fragilis will elucidate their role in gene expression, DNA repair and ability to survive exposure to antibiotics. Also, based on their unique CRISPR-Cas arrays, their phylogenetic clustering and their virulence potential, we are proposing that blood isolates of B. fragilis be viewed a separate subgroup. PMID- 29218033 TI - Substrate-Limited and -Unlimited Coastal Microbial Communities Show Different Metabolic Responses with Regard to Temperature. AB - Bacteria are the principal consumers of dissolved organic carbon (DOC) in the ocean and predation of bacteria makes organic carbon available to higher trophic levels. The efficiency with which bacteria convert the consumed carbon (C) into biomass (i.e., carbon growth efficiency, Y) determines their ecological as well as biogeochemical role in marine ecosystems. Yet, it is still unclear how changes in temperature will affect Y and, hence, the transfer of consumed C to higher trophic levels. Here, we experimentally investigated the effect of temperature on metabolic functions of coastal microbial communities inoculated in both nutrient limited chemostats and nutrient-unlimited turbidostats. We inoculated chemostats and turbidostats with coastal microbial communities into seawater culture medium augmented with 20 and 100 MUmol L-1 of glucose respectively and measured CO2 production, carbon biomass and cell abundance. Chemostats were cultured between 14 and 26 degrees C and specific growth rates (MU) between 0.05 and 6.0 day-1, turbidostats were cultured between 10 and 26 degrees C with specific growth rates ranging from 28 to 62 day-1. In chemostats under substrate limitation, which is common in the ocean, the specific respiration rate (r, day-1) showed no trend with temperature and was roughly proportional to MU, implying that carbon growth efficiency (Y) displayed no tendency with temperature. The response was very different in turbidostats under temperature-limited, nutrient-repleted growth, here MU increased with temperature but r decreased resulting in an increase of Y with temperature (Q10: 2.6). Comparison of our results with data from the literature on the respiration rate and cell weight of monospecific bacteria indicates that in general the literature data behaved similar to chemostat data, showing no trend in specific respiration with temperature. We conclude that respiration rates of nutrient-limited bacteria measured at a certain temperature cannot be adjusted to different temperatures with a temperature response function similar to Q10 or Arrhenius. However, the cellular respiration rate and carbon demand rate (both: mol C cell-1 day-1) show statistically significant relations with cellular carbon content (mol C cell-1) in chemostats, turbidostats, and the literature data. PMID- 29218035 TI - Characterization of Two Cryptic Plasmids Isolated in Haiti from Clinical Vibrio cholerae Non-O1/Non-O139. AB - We report the complete sequence of two novel plasmids, pSDH-1 and pSDH-2, isolated from clinical Vibrio cholerae non-O1/non-O139 during the early phase of the 2010 Haitian cholera epidemic. Plasmids were revealed by employing single cell genomics and their genome content suggests self-mobilization and, for pSDH 2, a toxin-antitoxin (TA) system for plasmid stabilization was identified. The putative origin of replication of pSDH-2 was mapped suggesting it replicates following the ColE1 model of plasmid replication. pSDH-1 and pSDH-2 were widespread among environmental V. cholerae non-O1/non-O139 with variable prevalence in four Haitian Departments. pSDH-2 was the most common element, either alone or with pSDH-1. The two plasmids detection adds to the composite scenario of mobile genetic elements (MGEs) observed in V. cholerae in Haiti. The role these small cryptic plasmids circulating in Vibrio spp. play in bacterial fitness or pathogenicity merits further investigation. PMID- 29218034 TI - Replication of Staphylococcal Resistance Plasmids. AB - The currently widespread and increasing prevalence of resistant bacterial pathogens is a significant medical problem. In clinical strains of staphylococci, the genetic determinants that confer resistance to antimicrobial agents are often located on mobile elements, such as plasmids. Many of these resistance plasmids are capable of horizontal transmission to other bacteria in their surroundings, allowing extraordinarily rapid adaptation of bacterial populations. Once the resistance plasmids have been spread, they are often perpetually maintained in the new host, even in the absence of selective pressure. Plasmid persistence is accomplished by plasmid-encoded genetic systems that ensure efficient replication and segregational stability during cell division. Staphylococcal plasmids utilize proteins of evolutionarily diverse families to initiate replication from the plasmid origin of replication. Several distinctive plasmid copy number control mechanisms have been studied in detail and these appear conserved within plasmid classes. The initiators utilize various strategies and serve a multifunctional role in (i) recognition and processing of the cognate replication origin to an initiation active form and (ii) recruitment of host-encoded replication proteins that facilitate replisome assembly. Understanding the detailed molecular mechanisms that underpin plasmid replication may lead to novel approaches that could be used to reverse or slow the development of resistance. PMID- 29218037 TI - Wuji Wan Formula Ameliorates Diarrhea and Disordered Colonic Motility in Post inflammation Irritable Bowel Syndrome Rats by Modulating the Gut Microbiota. AB - Emerging evidence suggests that gut microbiota contribute to the treatment of post-inflammatory irritable bowel syndrome (PI-IBS). Our previous studies have demonstrated that a Chinese formula, Wuji Wan, has the ability to mitigate abdominal pain and diarrhea in PI-IBS rats. However, little is known about the underlying mechanism and whether the gut microbiota mediate the effect of Wuji Wan on PI-IBS. Thus, the aim of this study was to determine whether Wuji Wan mitigated PI-IBS by modifying the gut microbiota. PI-IBS was induced in Sprague Dawley rats by enema using 4% acetic acid and restraint stress. Rats were fed water, Wuji Wan extract (630 mg/kg) or pinaverium bromide (13.5 mg/kg). Our data showed that Wuji Wan effectively ameliorated abdominal pain, colonic motility abnormality and visceral hypersensitivity. Analysis of the fecal microbiota showed that Wuji Wan could reverse the reduction in richness of the gut microbiota and significantly increase the relative abundances of Akkermansia, Bacteroides, and Parasutterella; however, Lactobacillus and Prevotella were markedly decreased in the PI-IBS rats. Moreover, Wuji Wan promoted goblet cell proliferation in the colonic mucosa by increasing the release of mucin, up regulating the distribution of tight junction proteins Occludin and ZO-1 and down regulating the expression of MLCK in colonic epithelial cells. These findings suggest that Wuji Wan may remit IBS by modulating the gut microbiota and stabilizing the gut mucosal barrier, indicating that the use of a classical formula of Traditional Chinese Medicine (TCM) that exhibits a prebiotic effect may be a promising strategy for PI-IBS treatment. PMID- 29218036 TI - The Macrophage: A Disputed Fortress in the Battle against Mycobacterium tuberculosis. AB - Mycobacterium tuberculosis (Mtb), the etiological agent of human tuberculosis (TB), has plagued humans for thousands of years. TB still remains a major public health problem in our era, causing more than 4,400 deaths worldwide every day and killing more people than HIV. After inhaling Mtb-contaminated aerosols, TB primo infection starts in the terminal lung airways, where Mtb is taken up by alveolar macrophages. Although macrophages are known as professional killers for pathogens, Mtb has adopted remarkable strategies to circumvent host defenses, building suitable conditions to survive and proliferate. Within macrophages, Mtb initially resides inside phagosomes, where its survival mostly depends on its ability to take control of phagosomal processing, through inhibition of phagolysosome biogenesis and acidification processes, and by progressively getting access to the cytosol. Bacterial access to the cytosolic space is determinant for specific immune responses and cell death programs, both required for the replication and the dissemination of Mtb. Comprehension of the molecular events governing Mtb survival within macrophages is fundamental for the improvement of vaccine-based and therapeutic strategies in order to help the host to better defend itself in the battle against the fierce invader Mtb. In this mini-review, we discuss recent research exploring how Mtb conquers and transforms the macrophage into a strategic base for its survival and dissemination as well as the associated defense strategies mounted by host. PMID- 29218038 TI - Application of Nonphosphorylative Metabolism as an Alternative for Utilization of Lignocellulosic Biomass. AB - Production of chemicals via fermentation has been evolving over the past 30 years in search of economically viable systems. Thus far, there have been few industrially relevant chemicals that have seen commercialization, examples being lactic acid and ethanol. Currently, many of these fermentation processes still compete with food sources. In order to reduce this competition fermentation of alternative feedstocks, such as lignocellulosic biomass must to be utilized. Hemicellulosic sugars can be employed effectively for the production of chemicals by incorporating nonphosphorylative metabolism. This review covers nonphosphorylative metabolism, the pathways and enzymes involved, as well as the products that have been produced using nonphosphorylative metabolism. PMID- 29218039 TI - The Anaerobically Induced sRNA PaiI Affects Denitrification in Pseudomonas aeruginosa PA14. AB - Pseudomonas aeruginosa is an opportunistic pathogen that can thrive by anaerobic respiration in the lungs of cystic fibrosis patients using nitrate as terminal electron acceptor. Here, we report the identification and characterization of the small RNA PaiI in the P. aeruginosa strain 14 (PA14). PaiI is anaerobically induced in the presence of nitrate and depends on the two-component system NarXL. Our studies revealed that PaiI is required for efficient denitrification affecting the conversion of nitrite to nitric oxide. In the absence of PaiI anaerobic growth was impaired on glucose, which can be reconciled with a decreased uptake of the carbon source under these conditions. The importance of PaiI for anaerobic growth is further underlined by the observation that a paiI deletion mutant was impaired in growth in murine tumors. PMID- 29218040 TI - Adaptation of Lactobacillus casei Zhang to Gentamycin Involves an Alkaline Shock Protein. AB - Lactobacillus (L. casei) Zhang is a koumiss-originated probiotic strain, which was used as a model in a long-term antibiotics-driven evolution experiment to reveal bacterial evolutionary dynamics; and we isolated gentamycin-resistant L. casei Zhang descendents. To decipher the gentamycin resistance mechanism, here we cultivated the parental L. casei Zhang and its descendent cells in an antibiotics containing environment to compare their global protein expression profiles using the iTRAQ-based proteomic approach. A total of 72 proteins were significantly up regulated (>2.0-fold, P < 0.05), whilst 32 proteins were significantly down regulated <-2.0-fold, P < 0.05) in the descendent line. The gentamycin-resistant descendent line showed elevated expression in some carbohydrates, amino acids, and purine metabolic pathways. Several stress-related proteins were also differentially expressed. Among them, one alkaline shock protein, asp23, was up regulated most in the gentamycin-resistant strain (21.9-fold increase compared with the parental strain). The asp23 gene disruption mutant was significantly more sensitive to gentamycin compared with the wild type, suggesting an important role of this gene in developing the gentamycin-resistant phenotype in L. casei. Our report has described the adaptation of a probiotic strain that has acquired antibiotics resistance through long-term antibiotics exposure at the proteome level, and we revealed a novel mechanism of gentamycin resistance. PMID- 29218042 TI - Corrigendum: Gene Expression in Class 2 Integrons Is SOS-Independent and Involves Two Pc Promoters. AB - [This corrects the article on p. 1499 in vol. 8, PMID: 28861047.]. PMID- 29218041 TI - Mrp Antiporters Have Important Roles in Diverse Bacteria and Archaea. AB - Mrp (Multiple resistance and pH) antiporter was identified as a gene complementing an alkaline-sensitive mutant strain of alkaliphilic Bacillus halodurans C-125 in 1990. At that time, there was no example of a multi-subunit type Na+/H+ antiporter comprising six or seven hydrophobic proteins, and it was newly designated as the monovalent cation: proton antiporter-3 (CPA3) family in the classification of transporters. The Mrp antiporter is broadly distributed among bacteria and archaea, not only in alkaliphiles. Generally, all Mrp subunits, mrpA-G, are required for enzymatic activity. Two exceptions are Mrp from the archaea Methanosarcina acetivorans and the eubacteria Natranaerobius thermophilus, which are reported to sustain Na+/H+ antiport activity with the MrpA subunit alone. Two large subunits of the Mrp antiporter, MrpA and MrpD, are homologous to membrane-embedded subunits of the respiratory chain complex I, NuoL, NuoM, and NuoN, and the small subunit MrpC has homology with NuoK. The functions of the Mrp antiporter include sodium tolerance and pH homeostasis in an alkaline environment, nitrogen fixation in Schizolobium meliloti, bile salt tolerance in Bacillus subtilis and Vibrio cholerae, arsenic oxidation in Agrobacterium tumefaciens, pathogenesis in Pseudomonas aeruginosa and Staphylococcus aureus, and the conversion of energy involved in metabolism and hydrogen production in archaea. In addition, some Mrp antiporters transport K+ and Ca2+ instead of Na+, depending on the environmental conditions. Recently, the molecular structure of the respiratory chain complex I has been elucidated by others, and details of the mechanism by which it transports protons are being clarified. Based on this, several hypotheses concerning the substrate transport mechanism in the Mrp antiporter have been proposed. The MrpA and MrpD subunits, which are homologous to the proton transport subunit of complex I, are involved in the transport of protons and their coupling cations. Herein, we outline other recent findings on the Mrp antiporter. PMID- 29218044 TI - Editorial: Ying and Yang Members of the Tumor Necrosis Factor Superfamily: Friends or Foes in Immune-Mediated Diseases and Cancer. PMID- 29218043 TI - Development of Novel Promiscuous Anti-Chemokine Peptibodies for Treating Autoimmunity and Inflammation. AB - Chemokines and their receptors play critical roles in the progression of autoimmunity and inflammation. Typically, multiple chemokines are involved in the development of these pathologies. Indeed, targeting single chemokines or chemokine receptors has failed to achieve significant clinical benefits in treating autoimmunity and inflammation. Moreover, the binding of host atypical chemokine receptors to multiple chemokines as well as the binding of chemokine binding proteins secreted by various pathogens can serve as a strategy for controlling inflammation. In this work, promiscuous chemokine-binding peptides that could bind and inhibit multiple inflammatory chemokines, such as CCL2, CCL5, and CXCL9/10/11, were selected from phage display libraries. These peptides were cloned into human mutated immunoglobulin Fc-protein fusions (peptibodies). The peptibodies BKT120Fc and BKT130Fc inhibited the ability of inflammatory chemokines to induce the adhesion and migration of immune cells. Furthermore, BKT120Fc and BKT130Fc also showed a significant inhibition of disease progression in a variety of animal models for autoimmunity and inflammation. Developing a novel class of antagonists that can control the courses of diseases by selectively blocking multiple chemokines could be a novel way of generating effective therapeutics. PMID- 29218045 TI - Factor H C-Terminal Domains Are Critical for Regulation of Platelet/Granulocyte Aggregate Formation. AB - Platelet/granulocyte aggregates (PGAs) increase thromboinflammation in the vasculature, and PGA formation is tightly controlled by the complement alternative pathway (AP) negative regulator, Factor H (FH). Mutations in FH are associated with the prothrombotic disease atypical hemolytic uremic syndrome (aHUS), yet it is unknown whether increased PGA formation contributes to the thrombosis seen in patients with aHUS. Here, flow cytometry assays were used to evaluate the effects of aHUS-related mutations on FH regulation of PGA formation and characterize the mechanism. Utilizing recombinant fragments of FH spanning the entire length of the protein, we mapped the regions of FH most critical for limiting AP activity on the surface of isolated human platelets and neutrophils, as well as the regions most critical for regulating PGA formation in human whole blood stimulated with thrombin receptor-activating peptide (TRAP). FH domains 19 20 were the most critical for limiting AP activity on platelets, neutrophils, and at the platelet/granulocyte interface. The role of FH in PGA formation was attributed to its ability to regulate AP-mediated C5a generation. AHUS-related mutations in domains 19-20 caused differential effects on control of PGA formation and AP activity on platelets and neutrophils. Our data indicate FH C terminal domains are key for regulating PGA formation, thus increased FH protection may have a beneficial impact on diseases characterized by increased PGA formation, such as cardiovascular disease. Additionally, aHUS-related mutations in domains 19-20 have varying effects on control of TRAP-mediated PGA formation, suggesting that some, but not all, aHUS-related mutations may cause increased PGA formation that contributes to excessive thrombosis in patients with aHUS. PMID- 29218046 TI - TLR2 Expression in Peripheral CD4+ T Cells Promotes Th17 Response and Is Associated with Disease Aggravation of Hepatitis B Virus-Related Acute-On-Chronic Liver Failure. AB - Th17 responses have been shown to play crucial roles in the pathogenesis of hepatitis B virus (HBV)-associated acute-on-chronic liver failure (ACLF). The mechanism underlying the enhanced Th17 responses in these patients remains largely unclear. Here we investigated toll-like receptors (TLRs) expression in peripheral T cells and their roles in Th17 cell differentiation and disease aggravation in ACLF patients. 18 healthy subjects (HS), 20 chronic HBV-infected (CHB) patients, and 26 ACLF patients were enrolled and examined for TLRs expression in peripheral blood mononuclear cells (PBMCs). The correlations of T cell TLR2 expression with the antigen non-specific Th17 responses and disease aggravation, as well as the Th17 response to TLR2 ligand stimulation were evaluated in ACLF patients. Compared to HS and CHB patients, ACLF patients showed a distinct TLRs expression pattern in PBMCs. Significantly increased TLR2 expression in T cells was observed in ACLF patients. The TLR2 expression in CD4+ T cells was correlated with the Th17 responses and the clinical markers for disease aggravation in ACLF patients. Moreover, TLR2 ligands stimulation promoted Th17 cell differentiation and response in PBMCs of ACLF patients. These findings implicate that TLR2 signaling plays critical roles in Th17 cell differentiation and disease aggravation of HBV-related ACLF. PMID- 29218047 TI - Reverse Transcriptase Mechanism of Somatic Hypermutation: 60 Years of Clonal Selection Theory. AB - The evidence for the reverse transcriptase mechanism of somatic hypermutation is substantial and multifactorial. In this 60th anniversary year of the publication of Sir MacFarlane Burnet's Clonal Selection Theory, the evidence is briefly reviewed and updated. PMID- 29218048 TI - Commentary: Belatacept Does Not Inhibit Follicular T Cell-Dependent B-Cell Differentiation in Kidney Transplantation. PMID- 29218049 TI - Immunoglobulins G from Sera of Amyotrophic Lateral Sclerosis Patients Induce Oxidative Stress and Upregulation of Antioxidative System in BV-2 Microglial Cell Line. AB - Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder with a very fast progression, no diagnostic tool for the presymptomatic phase, and still no effective treatment of the disease. Although ALS affects motor neurons, the overall pathophysiological condition points out to the non-cell autonomous mechanisms, where astrocytes and microglia play crucial roles in the disease progression. We have already shown that IgG from sera of ALS patients (ALS IgG) induce calcium transients and an increase in the mobility of acidic vesicles in cultured rat astrocytes. Having in mind the role of microglia in neurodegeneration, and a well-documented fact that oxidative stress is one of the many components contributing to the disease, we decided to examine the effect of ALS IgG on activation, oxidative stress and antioxidative system of BV-2 microglia, and to evaluate their acute effect on cytosolic peroxide, pH, and on reactive oxygen species (ROS) generation. All tested ALS IgGs (compared to control IgG) induced oxidative stress (rise in nitric oxide and the index of lipid peroxidation) followed by release of TNF-alpha and higher antioxidative defense (elevation of Mn- and CuZn-superoxide dismutase, catalase, and glutathione reductase with a decrease of glutathione peroxidase and glutathione) after 24 h treatment. Both ALS IgG and control IgG showed same localization on the membrane of BV-2 cells following 24 h treatment. Cytosolic peroxide and pH alteration were evaluated with fluorescent probes HyPer and SypHer, respectively, having in mind that HyPer also reacts to pH changes. Out of 11 tested IgGs from ALS patients, 4 induced slow exponential rise of HyPer signal, with maximal normalized fluorescence in the range 0.2-0.5, also inducing similar increase of SypHer intensity, but of a lower amplitude. None of the control IgGs induced changes with neither of the indicators. Acute ROS generation was detected in one out of three tested ALS samples with carboxy-H2DCFDA. The observed phenomena demonstrate the potential role of inflammatory humoral factors, IgGs, as potential triggers of the activation in microglia, known to occur in later stages of ALS. Therefore, revealing the ALS IgG signaling cascade in microglial cells could offer a valuable molecular biomarker and/or a potential therapeutic target. PMID- 29218050 TI - Heme Drives Oxidative Stress-Associated Cell Death in Human Neutrophils Infected with Leishmania infantum. AB - Free heme is an inflammatory molecule capable of inducing migration and activation of neutrophils. Here, we examine the heme-driven oxidative stress associated cell death mechanisms in human neutrophils infected with Leishmania infantum, an etiologic agent of visceral leishmaniasis (VL). We first performed exploratory analyses in a population of well characterized treatment-naive VL patients as well as uninfected controls, who were part of previously reported studies. We noted a positive correlation between serum concentrations of heme with heme oxygenase-1 (HO-1) and lactate deydrogenase, as well as, a negative correlation between heme values and peripheral blood neutrophils counts. Moreover, in vitro infection with L. infantum in the presence of heme enhanced parasite burden in neutrophils, while increasing the production of reactive oxygen species and release of neutrophilic enzymes. Additional experiments demonstrated that treatment of infected neutrophils with ferrous iron (Fe+2), a key component of the heme molecule, resulted in increased parasite survival without affecting neutrophil activation status. Furthermore, stimulation of infected neutrophils with heme triggered substantial increases in HO-1 mRNA expression as well as in superoxide dismutase-1 enzymatic activity. Heme, but not Fe+2, induced oxidative stress-associated cell death. These findings indicate that heme promotes intracellular L. infantum survival via activation of neutrophil function and oxidative stress. This study opens new perspectives for the understanding of immunopathogenic mechanisms involving neutrophils in VL. PMID- 29218051 TI - Sphingosine 1-Phosphate- and C-C Chemokine Receptor 2-Dependent Activation of CD4+ Plasmacytoid Dendritic Cells in the Bone Marrow Contributes to Signs of Sepsis-Induced Immunosuppression. AB - Sepsis is the dysregulated response of the host to systemic, mostly bacterial infection, and is associated with an enhanced susceptibility to life-threatening opportunistic infections. During polymicrobial sepsis, dendritic cells (DCs) secrete enhanced levels of interleukin (IL) 10 due to an altered differentiation in the bone marrow and contribute to the development of immunosuppression. We investigated the origin of the altered DC differentiation using murine cecal ligation and puncture (CLP), a model for human polymicrobial sepsis. Bone marrow cells (BMC) were isolated after sham or CLP operation, the cellular composition was analyzed, and bone marrow-derived DCs (BMDCs) were generated in vitro. From 24 h on after CLP, BMC gave rise to BMDC that released enhanced levels of IL-10. In parallel, a population of CD11chiMHCII+CD4+ DCs expanded in the bone marrow in a MyD88-dependent manner. Prior depletion of the CD11chiMHCII+CD4+ DCs from BMC in vitro reversed the increased IL-10 secretion of subsequently differentiating BMDC. The expansion of the CD11chiMHCII+CD4+ DC population in the bone marrow after CLP required the function of sphingosine 1-phosphate receptors and C-C chemokine receptor (CCR) 2, the receptor for C-C chemokine ligand (CCL) 2, but was not associated with monocyte mobilization. CD11chiMHCII+CD4+ DCs were identified as plasmacytoid DCs (pDCs) that had acquired an activated phenotype according to their increased expression of MHC class II and CD86. A redistribution of CD4+ pDCs from MHC class II- to MHC class II+ cells concomitant with enhanced expression of CD11c finally led to the rise in the number of CD11chiMHCII+CD4+ DCs. Enhanced levels of CCL2 were found in the bone marrow of septic mice and the inhibition of CCR2 dampened the expression of CD86 on CD4+ pDCs after CLP in vitro. Depletion of pDCs reversed the bias of splenic DCs toward increased IL-10 synthesis after CLP in vivo. Thus, during polymicrobial sepsis, CD4+ pDCs are activated in the bone marrow and induce functional reprogramming of differentiating BMDC toward an immunosuppressive phenotype. PMID- 29218053 TI - Marker Development for Phylogenomics: The Case of Orobanchaceae, a Plant Family with Contrasting Nutritional Modes. AB - Phylogenomic approaches, employing next-generation sequencing (NGS) techniques, have revolutionized systematic and evolutionary biology. Target enrichment is an efficient and cost-effective method in phylogenomics and is becoming increasingly popular. Depending on availability and quality of reference data as well as on biological features of the study system, (semi-)automated identification of suitable markers will require specific bioinformatic pipelines. Here, we established a highly flexible bioinformatic pipeline, BaitsFinder, to identify putative orthologous single copy genes (SCGs) and to construct bait sequences in a single workflow. Additionally, this pipeline has been constructed to be able to cope with challenging data sets, such as the nutritionally heterogeneous plant family Orobanchaceae. To this end, we used transcriptome data of differing quality available for four Orobanchaceae species and, as reference, SCG data from monkeyflower (Erythranthe guttata, syn. Mimulus g.; 1,915 genes) and tomato (Solanum lycopersicum; 391 genes). Depending on whether gaps were permitted in initial blast searches of the four Orobanchaceae species against the reference, our pipeline identified 1,307 and 981 SCGs with average length of 994 bp and 775 bp, respectively. Automated bait sequence construction (using 2* tiling) resulted in 38,170 and 21,856 bait sequences, respectively. In comparison to the recently published MarkerMiner 1.0 pipeline BaitsFinder identified about 1.6 times as many SCGs (of at least 900 bp length). Skipping steps specific to analyses of Orobanchaceae, BaitsFinder was successfully used in a group of non-parasitic plants (three Asteraceae species and, as reference, SCG data from Arabidopsis thaliana based on previously compiled SCGs). Thus, BaitsFinder is expected to be broadly applicable in groups, where only transcriptomes or partial genome data of differing quality are available. PMID- 29218055 TI - Editorial: Plants' Responses to Novel Environmental Pressures. PMID- 29218054 TI - Excessive Cellular S-nitrosothiol Impairs Endocytosis of Auxin Efflux Transporter PIN2. AB - S-nitrosoglutathione reductase (GSNOR1) is the key enzyme that regulates cellular levels of S-nitrosylation across kingdoms. We have previously reported that loss of GSNOR1 resulted in impaired auxin signaling and compromised auxin transport in Arabidopsis, leading to the auxin-related morphological phenotypes. However, the molecular mechanism underpinning the compromised auxin transport in gsnor1-3 mutant is still unknown. Endocytosis of plasma-membrane (PM)-localized efflux PIN proteins play critical roles in auxin transport. Therefore, we investigate whether loss of GSNOR1 function has any effects on the endocytosis of PIN-FORMED (PIN) proteins. It was found that the endocytosis of either the endogenous PIN2 or the transgenically expressed PIN2-GFP was compromised in the root cells of gsnor1-3 seedlings relative to Col-0. The internalization of PM-associated PIN2 or PIN2-GFP into Brefeldin A (BFA) bodies was significantly reduced in gsnor1-3 upon BFA treatment in a manner independent of de novo protein synthesis. In addition, the exogenously applied GSNO not only compromised the endocytosis of PIN2-GFP but also inhibited the root elongation in a concentration-dependent manner. Taken together, our results indicate that, besides the reduced PIN2 level, one or more compromised components in the endocytosis pathway could account for the reduced endocytosis of PIN2 in gsnor1-3. PMID- 29218052 TI - Spoiling for a Fight: B Lymphocytes As Initiator and Effector Populations within Tertiary Lymphoid Organs in Autoimmunity and Transplantation. AB - Tertiary lymphoid organs (TLOs) develop at ectopic sites within chronically inflamed tissues, such as in autoimmunity and rejecting organ allografts. TLOs differ structurally from canonical secondary lymphoid organs (SLOs), in that they lack a mantle zone and are not encapsulated, suggesting that they may provide unique immune function. A notable feature of TLOs is the frequent presence of structures typical of germinal centers (GCs). However, little is known about the role of such GCs, and in particular, it is not clear if the B cell response within is autonomous, or whether it synergizes with concurrent responses in SLOs. This review will discuss ectopic lymphoneogenesis and the role of the B cell in TLO formation and subsequent effector output in the context of autoimmunity and transplantation, with particular focus on the contribution of ectopic GCs to affinity maturation in humoral immune responses and to the potential breakdown of self-tolerance and development of humoral autoimmunity. PMID- 29218057 TI - Lessons from the Human Genome Project: Modesty, Honesty, and Realism. PMID- 29218056 TI - Respiratory Burst Oxidase Homolog Gene A Is Crucial for Rhizobium Infection and Nodule Maturation and Function in Common Bean. AB - Reactive oxygen species (ROS) produced by respiratory burst oxidase homologs (RBOHs) regulate numerous plant cell processes, including the symbiosis between legumes and nitrogen-fixing bacteria. Rapid and transient ROS production was reported after Phaseolus vulgaris root hairs were treated with Nod factors, indicating the presence of a ROS-associated molecular signature in the symbiosis signaling pathway. Rboh is a multigene family containing nine members (RbohA-I) in P. vulgaris. RNA interference of RbohB suppresses ROS production and attenuates rhizobial infection thread (IT) progression in P. vulgaris root hairs. However, the roles of other Rboh members in symbiotic interactions are largely unknown. In this study, we characterized the role of the NADPH oxidase-encoding gene RbohA (Phvulv091020621) in the P. vulgaris-Rhizobium tropici symbiosis. The spatiotemporal activity of the RbohA promoter colocalized with growing ITs and was associated with vascular bundles in developing nodules. Subcellular localization studies indicated that RBOHA was localized in the plasma membrane of P. vulgaris root hairs. After rhizobial inoculation, PvRBOHA was mainly distributed in the infection pocket and, to a lesser extent, throughout the IT. In PvRbohA RNAi lines, the rhizobial infection events were significantly reduced and, in successful infections, IT progression was arrested within the root hair, but did not impede cortical cell division. PvRbohA-RNAi nodules failed to fix nitrogen, since the infected cells in the few nodules formed were empty. RbohA dependent ROS production and upregulation of several antioxidant enzymes was attenuated in rhizobia-inoculated PvRbohA-RNAi roots. These combined results indicate that PvRbohA is crucial for effective Rhizobium infection and its release into the nodule cells. This oxidase is partially or indirectly required to promote nodule organogenesis, altering the expression of auxin- and cyclin related genes and genes involved in cell growth and division. PMID- 29218058 TI - Assessment of the effect of three-dimensional mantle density heterogeneity on earth rotation in tidal frequencies. AB - In this paper we report the assessment of the effect of the three-dimensional (3D) density heterogeneity in the mantle on Earth Orientation Parameters (EOP) (i.e., the polar motion, or PM, and the length of day, or LOD) in the tidal frequencies. The 3D mantle density model is estimated based upon a global S-wave velocity tomography model (S16U6L8) and the mineralogical knowledge derived from laboratory experiment. The lateral density variation is referenced against the Preliminary Reference Earth Model (PREM). Using this approach the effects of the heterogeneous mantle density variation in all three tidal frequencies (zonal long periods, tesseral diurnal, and sectorial semidiurnal) are estimated in both PM and LOD. When compared with mass or density perturbations originated on the earth's surface such as the oceanic and barometric changes, the heterogeneous mantle only contributes less than 10% of the total variation in PM and LOD in tidal frequencies. Nevertheless, including the 3D variation of the density in the mantle into account explained a substantial portion of the discrepancy between the observed signals in PM and LOD extracted from the lump-sum values based on continuous space geodetic measurement campaigns (e.g., CONT94) and the computed contribution from ocean tides as predicted by tide models derived from satellite altimetry observations (e.g., TOPEX/Poseidon). In other word, the difference of the two, at all tidal frequencies (long-periods, diurnals, and semi-diurnals) contains contributions of the lateral density heterogeneity of the mantle. Study of the effect of mantle density heterogeneity effect on torque-free earth rotation may provide useful constraints to construct the Reference Earth Model (REM), which is the next major objective in global geophysics research beyond PREM. PMID- 29218060 TI - Our Life through Device. PMID- 29218059 TI - Warming alters the energetic structure and function but not resilience of soil food webs. AB - Climate warming is predicted to alter the structure, stability, and functioning of food webs1-5. Yet, despite the importance of soil food webs for energy and nutrient turnover in terrestrial ecosystems, warming effects on these food webs particularly in combination with other global change drivers-are largely unknown. Here, we present results from two complementary field experiments testing the interactive effects of warming with forest canopy disturbance and drought on energy fluxes in boreal-temperate ecotonal forest soil food webs. The first experiment applied a simultaneous above- and belowground warming treatment (ambient, +1.7 degrees C, +3.4 degrees C) to closed canopy and recently clear-cut forest, simulating common forest disturbance6. The second experiment crossed warming with a summer drought treatment (-40% rainfall) in the clear-cut habitats. We show that warming reduces energy fluxes to microbes, while forest canopy disturbance and drought facilitates warming-induced increases in energy flux to higher trophic levels and exacerbates reductions in energy flux to microbes, respectively. Contrary to expectations, we find no change in whole network resilience to perturbations, but significant losses of ecosystem functioning. Warming thus interacts with forest disturbance and drought, shaping the energetic structure of soil food webs and threatening the provisioning of multiple ecosystem functions in boreal-temperate ecotonal forests. PMID- 29218061 TI - A Comparative Study of Efficacy and Safety of Two Eradication Regimens for Helicobacter pylori Infection. AB - Introduction: Helicobacter pylori infection is one of the most frequent diseases around the world, affecting about half of the world population. The infection is known to be associated with upper gastrointestinal diseases. The aim of this paper is to identify which of the following two first-line therapy options (ECA vs ECM - see abbreviations below) is more efficient and to assess the improvement in the quality of life among these patients. Material and Methods: 96 patients with proven Helicobacter pylori infection were divided in two treatment groups, as follows: 47 patients received a 10-day triple therapy with esomeprazole 80 mg/day, amoxicillin 2000 mg/day and clarithromycin 1000 mg/day (ECA) and the rest of 49 received a 10-day sequential therapy: esomeprazole 40 mg and amoxicillin 1000 mg twice daily for five days, followed by esomeprazole 40 mg, clarithromycin 500 mg and metronidazole 500 mg (ECM) twice daily for another five days. Assessment of Helicobacter pylori infection was performed using the stool antigen test one month after the patient finished therapy. At the beginning of the study and at the follow-up visit, every subject was asked to complete the Gastrointestinal Quality of Life Index (GIQLI). Results: Twenty three patients did not come for the follow-up visit (24% drop-out rate). The ECA therapy group had an efficacy rate of 94%, while the rate of the ECM treated group was 95% (per protocol analysis). There was no significant difference regarding the baseline characteristics between the two groups. The entire group treatment tolerability was approximately 85%, with no statistical difference between groups (p-value = 0.824). Quality of life improvement was 11.18 points in the ECA treated group and 13.4 points in the ECM treated group (p=NS). Regarding the quality of life improvement, the results were positive, irrespective of type of peptic disease, but the most important results were obtained in peptic ulcer disease, functional dyspepsia and chronic gastritis. Conclusions: Both ECA and ECM regimens are almost equally effective in Helicobacter pylori eradication and significantly improve the quality of life irrespective of type of peptic disease. The limitation of this study was the significant drop-out rate (24%) that may have overestimated the results. PMID- 29218062 TI - Preliminary Study Regarding the Association between Tumor Necrosis Factor Alpha Gene Polymorphisms and Childhood Idiopathic Nephrotic Syndrome in Romanian Pediatric Patients. AB - Background: Childhood idiopathic nephrotic syndrome (INS) is one of the most common glomerular diseases, characterized by heavy proteinuria, hypoalbuminemia, dyslipidemia and generalized edema. Although some progresses were made regarding the pathogenesis of this disease, there are a lot of questions still left unanswered. Some of them involve the implications of several cytokines, including tumor necrosis factor alpha (TNF-alpha), in the development and clinical course of INS. Objective: Our objective was to analyze the role of two single nucleotide polymorphisms of TNF-alpha gene in the development of pediatric INS and their implication in the response to corticosteroid therapy. Material and methods: Seventy patients with INS and 159 healthy controls were included in this study. They were analyzed for TNF-alpha gene polymorphisms by using polymerase chain reaction. The two SNPs (rs1799724/-857C/T and rs1800629/-308G/A) were genotyped by TaqMan Genotyping Assays, association tests were performed and p values <0.05 were considered significant. Results: Minor alleles frequencies were 15.72% in INS patients versus 18.55% in controls for 857*T allele and 11.43% in INS versus 13.2% in controls for 308*A allele. Although the minor alleles were more frequent in controls than in patients, the difference was not statistically significant (p=0.46, OR=0.818 and p=0.59, OR=0.848).Analyzing the response to corticosteroid therapy, we found a low frequency of 857*T allele in steroid resistant patients (9.09%) compared to steroid sensitive patients (16.95%) and controls (18.55%). Regarding 308*A allele, the frequencies were 18.18% in the corticoresistant group and 10.17% in the corticosensitive one. None of them was statistically significant (p>0.05). Conclusions: We conclude that neither -857C/T, nor-308G/A polymorphisms of TNF-alpha gene are associated with the susceptibility and response to steroid treatment of INS in our population. Given the small sample size used, future studies are necessary to clarify the results observed in the present study. PMID- 29218063 TI - Analysis of the Most Common Three MEFV Mutations in 630 Patients with Familial Mediterranean Fever in Iranian Azeri Turkish Population. AB - Introduction: The aim of the present study was to determine the frequency of M694V, M680I and V726A mutations of the MEFV gene in 630 Azeri Turkish patients with family Mediterranean fever. Material and Methods: The MEFV gene mutations were detected using allele-specific oligonucleotide polymerase chain reaction. Outcomes: 630 cases with a mean age +/- SD of 28.54+/-16.54 ranging from 2.5 to 76 years old including 268 (42.54%) males and 362 (57.46%) females, were tested. Nineteen patients were homozygote for one mutation (3.02%), 127 were heterozygote for one mutation (20.2%) and 18 were compound heterozygote for two mutations (2.86%). Mutation analysis confirmed that the most common mutation was M694V 109 (8.65%). V726A and M680I mutations accounted for 4.44% of the alleles; V726A 32 (2.54%) and M680I 24 (1.9%). In this study, compound heterozygote for M694V and V726A, M694V and M680I, and V726A and M680I mutations were found in 1.43%, 0.79%, and 0.63% from West Azerbaijan province in exon 10. Mutation was found in 164 (26.03%) of cases regarding analysis of the three most common MEFV mutations, but in 466 (73.97%) of cases, no mutation was detected. Among our samples, the frequencies of mutant genotypes were 15 (2.38%), 1 (0.15%), 3 (0.47%), 9 (1.42%), 4 (0.63%) and 5 (0.79%), regarding M694V/M694V, M680I/M680I, V726A/V726A, M694V/ V726A, M680I/ V726A and M680I/ M694V, respectively. In our samples, 79 (12.53%), 26 (4.12%), and 22 (3.49%) cases had M694V/normal, V726A/normal, and M680I/normal genotypes regarding M694V, V726A, and M680I mutations, respectively. Conclusions: The M694V mutation is the most common risk factor for family Mediterranean fever in our group. PMID- 29218064 TI - Non-diabetic Hyperglycemia and Some of Its Correlates in ICU Hospitalized Patients Receiving Enteral Nutrition. AB - Introduction: Hyperglycemia is a common occurrence in critically ill patients, and its prevalence in patients receiving nutritional support is much higher than in other patients. The non-diabetic form is associated with more undesirable outcomes. This study was performed to determine the prevalence of non-diabetic hyperglycemia and its correlates in patients receiving enteral nutrition. Material and Methods: This cross-sectional study was performed between March and December 2015. Seven hundred forty eight (748) patients were reviewed to see if they met the inclusion criteria. After random sequence numbering, 414 patients who were eligible for further assessment and data gathering were selected. Hyperglycemia was defined as the blood glucose levels higher than either 126 mg/dL, in the fasting state, or 180 mg/dL, in a random state. Blood glucose was measured by an ACCU-CHECK glucometer (Roche diagnostics, Mannheim, Germany) three times, after ICU admission, in both fasting and random state. A pre-prepared form was used to extract data from hospital records. Data analysis was performed by SPSS 21 software. Results: In this group of hospitalized patients, the prevalence of non-diabetic hyperglycemia was 14/49 (60/414). In the hyperglycemic subgroup, mean FBS was 228.00+/-36.42, mean random BS was 183.19+/-43.94 and mean blood sugar on the first day of hospitalization was 203.60 +/- 60.79. The mean age of patients was 56.64+/-19.79 years and the mean duration of hospitalization was 19.24+/-15.33 days. There was no significant relationship between enteral nutrition feeding volume and hyperglycemia. Majorly, patients aged above 60 years were hyperglycemic. The prevalence was higher in men than in women. Most patients were internal cases, but with the highest prevalence of hyperglycemia in surgical patients. Conclusions: Since among different studied variables just diagnosed disease and the level of provided calorie showed significant differences between subgroup categories, so it can be suggested that designing on-time appropriate management programs based them can be effective on the administration of non diabetic hyperglycemia and its undesirable consequences in such patients. PMID- 29218065 TI - Acute Myocardial Injury in a Child with Duchenne Muscular Dystrophy: Pulse Steroid Therapy? AB - Heart implication in Duchenne muscular dystrophy usually is present in the form of dilated cardiomyopathy, manifested as heart failure and arrhythmias. To delay progression, including heart deterioration, prednisone is recommended as preventive treatment. We report the case of an 11-year-old boy diagnosed with Duchenne muscular dystrophy at the age of seven, who was on preventive treatment with oral prednisone (0.75 mg/kg/day) and beta blocker (metoprolol, 1 mg/kg/day). Suddenly, the patient presented acute chest pain, vomiting and sweating. The electrocardiogram showed ST elevation in inferior leads. Troponin T was increased to 30814 pg/ml (normal values <14 pg/mL). The echocardiography revealed reduced contractility of the posteroinferior wall of the left ventricle. After excluding coronary implications by coronary angiography, we increased the oral prednisone to 1.4 mg/kg/day for five days and added enalapril (0.5 mg/kg/day, po). The response was positive, with a rapid decrease of the troponin T value to 3186 pg/mL in five days and gradual recovery of myocardial contractility afterwards. PMID- 29218066 TI - Arterial Stiffness and Hypertension - Which Comes First? AB - Arterial hypertension is one of the traditional risk factors involved in the development of cardiovascular events, while arterial stiffness is an independent predictor of cardiovascular disease in patients with hypertension. It seems that the risk factors involved in the pathology of uncontrolled hypertension are similar to those that contribute to the development of arterial stiffness. After evidence showed that arterial stiffness is an independent prognostic factor for the occurrence of cardiovascular events in patients with arterial hypertension, the importance of assessing arterial stiffness was recognized in a document drafted by the European Society of Hypertension in 2007. Many factors, some still insufficiently studied, are involved in the development and worsening of arterial stiffness, especially in patients with certain comorbidities (diabetes, hypertension, chronic kidney disease). The evaluation of pulse wave velocity (PWV) remains the gold standard for non-invasive assessment of arterial stiffness. It seems that changes in terms of lifestyle and drug therapy have some positive effects on improving arterial stiffness, but further studies are needed to prove this concept. Our review aims to highlight the novelty of the mechanisms, the assessment methods, some of the clinical aspects, as well as the therapeutic implications of arterial stiffness, especially in patients with hypertension. PMID- 29218068 TI - Prostheses Used in Laparoscopic Inguinal Hernia Repair: Biocompatibility, Postoperative Complications and Quality of Life - Review of the Literature. AB - INTRODUCTION: There is a continuous concern about meshes used in laparoscopic inguinal hernia repair, which mainly relates to their biocompatibility and ability to decrease postoperative complications and recurrence rate; in other words, efforts are made to find the "ideal" prosthesis. OBJECTIVES: To evaluate different prostheses used in laparoscopic inguinal hernia repair in terms of biocompatibility, postoperative complications, recurrence rate and quality of life, so that all the features could lead us to the "ideal" mesh. MATERIAL AND METHOD: Randomized controlled trials, reviews, prospective and retrospective studies, retrospective cross-sectional and experimental studies on animals published between 2000 and 2016 were analysed with respect to several features of a mesh: biocompatibility, postoperative complications, recurrence rate and quality of life. OUTCOMES: The most common comparison is between heavy-weight and light-weight mesh used in laparoscopic inguinal hernia repair. Experimental studies try to discover the "ideal" prosthesis, which could provide improved biocompatibility, low postoperative complications, decreased recurrence rate and good quality of life. The most commonly used mesh that meats the characteristics of an "ideal" prosthesis is a light-weight monofilament macroporous polypropylene mesh, with a minimum tensile strength >16 N/cm2, measuring 10x15 cm. CONCLUSIONS: Published data show that the "ideal" prosthesis used in laparoscopic inguinal hernia repair has not been discovered yet. Regarding heavy- or light-weight meshes, there is no significant effect on recurrence, acute or chronic pain, incidence of seroma or return to daily activity and quality of life (1). PMID- 29218067 TI - Perceived Age and Life Style. The Specific Contributions of Seven Factors Involved in Health and Beauty. AB - OBJECTIVES: The skin is a dynamic, visible organ, showing the most obvious signs of aging. The mechanisms of extrinsic aging, most of them presented in this paper, are currently well known and also the only ones that can be counteracted. Therefore, the transition of this knowledge in the general population is of the most importance, in order to introduce healthy aging strategies, to prevent the development of chronic or malignant diseases and psychological burden related to old age. MATERIALS AND METHODS: A thorough review of the literature has been performed in order to identify the main factors involved in skin health and aging. OUTCOMES: This concept article represents a compilation of seven anti ageing directions regarding major factors involved in health, aging and beauty, respectively sun, sugar, smoking, skin care, stress, sleep and second (the passage of time), easy to comprehend by the general public but sustained by a strong scientific documentation. CONCLUSIONS: Despite its final destination, every quality concept has to pass through academic purgatory as, once accepted, it comes to respond to ever more educated society's demands in terms of anti ageing. PMID- 29218069 TI - Down Syndrome - Genetics and Cardiogenetics. AB - During the last years, Down syndrome has been the focus of special attention. Down syndrome is a genetic disorder characterized by distinct physical features and some degree of cognitive disability. Patients with Down syndrome also present many other congenital anomalies. The mapping for phenotypes to specific regions of chromosome 21 permits to identify which genes (or small regions) contribute to the phenotypic features of Down syndrome and thus, to understand its pathogenesis. Mainly there are three cytogenetic forms of Down syndrome: free trisomy 21, mosaic trisomy 21 and robertsonian translocation trisomy 21. Prenatal and postnatal testing has become commonly used to diagnose different cases presenting the same pathology. Early clinical diagnosis is extremely important for patient prognosis. Lately, advances in Down syndrome research have been registered, but little is known about cardiovascular phenotype in Down syndrome. About half of patients with Down syndrome have congenital heart disease, and atrioventricular septal defects are the most common defects found. Basic research on Down syndrome is now rapidly accelerating, using new genomic technologies. There were many studies performed to identify a correlation between genotype and phenotype in Down syndrome. PMID- 29218070 TI - Radiographic Evaluation of Alignment Following TKA, a Systematic Review. AB - Postoperative assessment is of paramount importance in primary total knee arthroplasty. A thorough postoperative analysis helps the surgeon anticipate any postoperative potential issues and correlate the preoperative planning with the postoperative result, and provides better understanding of the importance of surgical principles of primary total knee arthroplasty. In addition, postoperative analysis helps the surgeon understand surgical errors and improve future outcomes. Standard radiographs, with a known magnification, should be obtained for postoperative total knee arthroplasty evaluation. Although imaging evaluation of knee arthroplasty is usually limited to conventional radiographs, examples of the utility of computed tomography are also illustrated, and suggested imaging strategies discussed. PMID- 29218071 TI - Composite Agency: Semiotics of Modularity and Guiding Interactions. AB - Principles of constructivism are used here to explore how organisms develop tools, subagents, scaffolds, signs, and adaptations. Here I discuss reasons why organisms have composite nature and include diverse subagents that interact in partially cooperating and partially conflicting ways. Such modularity is necessary for efficient and robust functionality, including mutual construction and adaptability at various time scales. Subagents interact via material and semiotic relations, some of which force or prescribe actions of partners. Other interactions, which I call "guiding", do not have immediate effects and do not disrupt the evolution and learning capacity of partner agents. However, they modify the extent of learning and evolutionary possibilities of partners via establishment of scaffolds and constraints. As a result, subagents construct reciprocal scaffolding for each other to rebalance their communal evolution and learning. As an example, I discuss guiding interactions between the body and mind of animals, where the pain system adjusts mind-based learning to the physical and physiological constraints of the body. Reciprocal effects of mind and behaviors on the development and evolution of the body includes the effects of Lamarck and Baldwin. PMID- 29218072 TI - Spatial Multiresolution Analysis of the Effect of PM2.5 on Birth Weights. AB - Fine particulate matter (PM2.5) measured at a given location is a mix of pollution generated locally and pollution traveling long distances in the atmosphere. Therefore, the identification of spatial scales associated with health effects can inform on pollution sources responsible for these effects, resulting in more targeted regulatory policy. Recently, prediction methods that yield high-resolution spatial estimates of PM2.5 exposures allow one to evaluate such scale-specific associations. We propose a two-dimensional wavelet decomposition that alleviates restrictive assumptions required for standard wavelet decompositions. Using this method we decompose daily surfaces of PM2.5 to identify which scales of pollution are most associated with adverse health outcomes. A key feature of the approach is that it can remove the purely temporal component of variability in PM2.5 levels and calculate effect estimates derived solely from spatial contrasts. This eliminates the potential for unmeasured confounding of the exposure - outcome associations by temporal factors, such as season. We apply our method to a study of birth weights in Massachusetts, U.S.A from 2003-2008 and find that both local and urban sources of pollution are strongly negatively associated with birth weight. Results also suggest that failure to eliminate temporal confounding in previous analyses attenuated the overall effect estimate towards zero, with the effect estimate growing in magnitude once this source of variability is removed. PMID- 29218073 TI - Interconversion between Free Charges and Bound Excitons in 2D Hybrid Lead Halide Perovskites. AB - The optoelectronic properties of hybrid perovskites can be easily tailored by varying their components. Specifically, mixing the common short organic cation (methylammonium (MA)) with a larger one (e.g., butyl ammonium (BA)) results in 2 dimensional perovskites with varying thicknesses of inorganic layers separated by the large organic cation. In both of these applications, a detailed understanding of the dissociation and recombination of electron-hole pairs is of prime importance. In this work, we give a clear experimental demonstration of the interconversion between bound excitons and free charges as a function of temperature by combining microwave conductivity techniques with photoluminescence measurements. We demonstrate that the exciton binding energy varies strongly (between 80 and 370 meV) with the thickness of the inorganic layers. Additionally, we show that the mobility of charges increases with the layer thickness, in agreement with calculated effective masses from electronic structure calculations. PMID- 29218074 TI - Autophagy in endometriosis. AB - Endometriosis (EMS) is a common gynecologic disease that causes chronic pelvic pain, dysmenorrhea, and infertility in women. The doctrine of menstruation back flow planting and defects in the immune system are well known and widely accepted. In recent years, increasing studies have been focused on the role of autophagy in EMS, and have shown that autophagy plays a vital role in EMS. Autophagy, which is known as the non-apoptotic form of programmed cell death induced by a large number of intracellular/extracellular stimuli, is the major cellular pathway for the degradation of long-lived proteins and cytoplasmic organelles in eukaryotic cells. Autophagy commonly refers to macroautophagy, which is characterized by autophagosomes (double-membrane vesicles). In normal endometrial tissues, autophagy is induced in glandular epithelial and stromal cells throughout the menstrual cycle. However, aberrant autophagy occurs in the eutopic endometrium and ectopic endometriotic foci, which contributes to the pathogenesis of EMS by promoting the hyperplasia of endometriotic tissues and stromal cells, restricting apoptosis, and inducing abnormal immune responses. Consistent with changes in autophagy levels between normal endometria, eutopic and ectopic endometria from patients with EMS, the altered expression of autophagy-related genes (ATGs) is also observed. Currently, many factors are involved in the aberrant autophagy of endometriotic tissues, including female hormones, certain drugs, hypoxia, and oxidative stress. Therefore, studies focusing on autophagy may uncover a new potential treatment for EMS. The aim of this review is to discuss the role of aberrant autophagy in EMS and to explore the potential value of autophagy as a target for EMS therapy. PMID- 29218076 TI - 14-3-3 proteins: an important regulator of autophagy in diseases. AB - Autophagy is a cell digestion process that determines cell fate by promoting cell survival or inducing cell death in a cell context-dependent manner. Several classical signaling pathways, such as phosphoinositide-3-kinase and mammalian target of rapamycin, tightly regulate autophagy. 14-3-3 proteins regulate various signaling pathways by phosphorylation-dependent binding with partner proteins. 14 3-3 proteins also regulate autophagy by binding with autophagy-related proteins such as Beclin-1 and hVPS34. This review summarizes the role of 14-3-3 proteins in the control of autophagy in cancer, neurodegenerative diseases and other pathological conditions. PMID- 29218075 TI - IL-32theta: a recently identified anti-inflammatory variant of IL-32 and its preventive role in various disorders and tumor suppressor activity. AB - Interleukin-32 theta (IL-32theta) is newly identified isoform of IL-32 which plays a vital role in inflammatory responses. Like IL-32alpha and IL-32beta, IL 32theta isoform acts as an intracellular inflammatory modulator. It results in reduction of IL-1beta production by attenuating the expression of PU.1 and inhibition of monocytes differentiation into macrophages. IL-32theta hinders TNF alpha expression by inhibiting p38 MAPK and inhibitor of kappaB (IkappaB) as well. It also reserved STAT3-ZEB1 pathway leading to the inhibition of epithelial mesenchymal transition (EMT) and stemness. Hence, it can be concluded that IL 32theta is an anti-inflammatory cytokine that can act as a tumor suppressor and can play vital role in colon cancer therapies. IL-32theta also plays a crucial role in immune system responses and cellular differentiation during disease pathogenesis. To our best knowledge this is the first ever review to condense the importance, precise mode of action in disease progression and latent remedial implications of IL-32theta in several inflammatory disorders. PMID- 29218077 TI - Long noncoding RNAs: a new regulatory code in osteoarthritis. AB - It is reported that long noncoding RNAs (lncRNAs) were expressed aberrantly in cartilage of osteoarthritis (OA). Current evidence indicates that lncRNAs not only serve as positive or negative regulators of OA, but also crosstalk with multiple potential targets to impact on the critical events in OA process. This review summarized the lncRNAs identified in OA to date, discussed their influence on the survival of chondrocytes and synoviocytes, arthritis-associated factors, and angiogenesis, and indicated the potential in diagnosis, therapy, and prognosis. PMID- 29218079 TI - VEGF-C mediated enhancement of lymphatic drainage reduces intestinal inflammation by regulating IL-9/IL-17 balance and improving gut microbiota in experimental chronic colitis. AB - BACKGROUND: Inflammation-associated lymphangiogenesis (IAL) induced by vascular endothelial growth factor (VEGF)-C/VEGF receptor-3 (VEGFR-3) pathway plays a crucial role in chronic intestinal inflammation. This study aimed to investigate the effects of VEGF-C mediated enhancement of lymphatic drainage on the intestinal inflammation in experimental chronic colitis (CC) and the potential mechanism was explored. METHODS: Mouse CC model was established by three cycles of 2% DSS administration for 5 days following water administration for 5 days. CC mice were injected via the tail vein with AD-VEGF-C-EGFP (VEGF-C+DSS group) or AD EGFP (AD-EGFP group) at the end of each cycle and animals in control group were given access to drinking water only. Disease activity index (DAI), lymphatic vessel density (LVD), colonic cytokines, Th9 cells (CD3+ cells) and CD68+ macrophage infiltration, and lymph flow were detected. Fresh feces were collected and processed for DNA extraction and MiSeq Illumina sequencing of V4 region of bacterial 16S rRNA gene. Alpha- and beta diversities and compositional differences at phylum and genus levels were determined in intestinal microbiota. RESULTS: AD-VEGF-C treatment significantly reduced colon inflammation, elevated the increase in lymph drainage, decreased CD68+ macrophages and CD3+ T cells (Th9 cells), reduced IL-9, and increased IL-17 in colon mucosa when compared with DSS mice. In addition, VEGF-C treated mice showed significantly increased the abundance of Bacterioidate and decreased Firmicutes at phylum level in fecal samples. CONCLUSION: VEGF-C improves intestinal inflammation by enhancing lymphatic drainage, reducing intestinal Th9 cells, regulating intestinal IL-9/IL 17 balance and increasing intestinal Bacterioidate abundance in CC mice. PMID- 29218078 TI - Extendin-4 protects kidney from acute ischemia-reperfusion injury through upregulation of NRF2 signaling. AB - This study tested the hypothesis that exendin-4 (Ex4) protects kidneys against ischemia-reperfusion (IR) injury mainly through upregulation of nuclear-factor erythroid 2-related factor 2 (Nrf2) signaling and downregulation of oxidative stress. Male-adult Sprague-Dawley rats (n=24) were equally divided into group 1 (sham-operated control), group 2 [IR only, ischemia (1 h)/reperfusion (72 h)] and group 3 (IR-Ex4, 10 MUg/kg at 30 min, 24 h, 48 h after IR procedure). The in vitro study demonstrated that the protein expressions of phosphorylated (p)-Akt and Nrf2 were significantly progressively increased at time points of 0/0.5/1/3 h and 0/0.5/1/3/6/12/24 h, respectively in NRK-52E cells co-cultured with Ex4 (20 nM) (all P<0.0001). Additionally, the protein expressions of NOX-1/NOX2 were significantly increased, whereas p-Akt was significantly decreased in NRK-52E cells co-cultured with P-cresol (200 MUM) that were significantly reversed after Ex4 treatment (all P<0.0001). As compared with baseline, the creatinine level, left/right kidney weight and MCP-1-positively stained area in the kidney parenchyma were significantly increased at 24 h after the IR procedure and significantly progressively decreased after that (all P<0.0001). By 27 h after IR, creatinine level/MCP-1 + area was significantly higher in group 2 than in groups 1 and 3, and significantly higher in group 3 than in group 1 (all P<0.0001). The numbers of Nrf2 +/NQO-1 + cells/SOD activity in kidney parenchyma were significantly lower in group 2 than in groups 1 and 3, and significantly lower in group 1 than in group 3 (all P<0.0001). In conclusion, Ex4 protected kidney from IR injury through upregulating antioxidants and downregulating inflammation/oxidative stress. PMID- 29218080 TI - Whether CD44 is an applicable marker for glioma stem cells. AB - Glioblastoma multiforme (GBM) is one of the most malignant and aggressive brain tumors with great amount of hyaluronan (HA) secretion and CD44 overexpression (HA receptor). CD44 has been suggested as a cancer stem cells (CSCs) marker. However, several clinical studies have indicated that CD44low glioma cell exhibit CSCs traits. Additionally, our previous study indicated that more CD44 expression was associated with a better prognosis in GBM patients. To determine whether CD44 is an appropriate marker of glioma stem cells (GSCs), we manipulated CD44 expression using intrinsic (CD44 knockdown, CD44kd) and extrinsic (HA supplement, HA+) methods. Our results show that CD44kd suppressed cell proliferation by retarding cell cycle progression from G0/G1 to S phase. Furthermore, it caused GSCs traits, including lower expression of differentiation marker (glial fibrillary acidic protein, GFAP), a higher level of sphere formation and higher expression of stem cell markers (CD133, nestin and Oct4). The reduction of CD44 expression induced by HA+ was accompanied by an increase in GSCs properties. Interestingly, the presence of HA+ in glioma cells with GSC traits conversely facilitated differentiation. Our data indicated that the CD44 low-expressing cells exhibit more GSCs straits, suggesting that CD44 is not an appropriate marker for GSCs. Furthermore, the preferential expression of CD44 at the invasive rim in rat glioma specimen implies that CD44 may be more important for invasion and migration instead of GSCs marker in glioma. PMID- 29218081 TI - Tetramethylpyrazine phosphate and borneol combination therapy synergistically attenuated ischemia-reperfusion injury of the hypothalamus and striatum via regulation of apoptosis and autophagy in a rat model. AB - The combination of tetramethylpyrazine (TMP) and borneol (BO) has shown promise for treatment of cerebral ischemia in clinical and experimental studies. However, the mechanism for the synergistic effect of these compounds is unclear. In this study, global cerebral ischemia-reperfusion (GCIR) was induced in rats that were subsequently treated with tetramethylpyrazine phosphate (TMPP) (13.3 mg/kg), BO (0.16 g/kg), or the combination TMPP + BO. Neuronal ultrastructure and intracellular calcium [Ca2+]i levels were evaluated in hypothalamus and striatum. Neuron autophagy was evaluated by expression of LC3 II/I, ULK1, Beclin1, BNIP3, mTOR, and pAMPK. Neuron apoptosis was examined via apoptosis index (AI) and expression of p53, Bcl-2, Bax, and caspase-3. Both monotherapies significantly improved neuronal ultrastructure, reduced numbers of apoptotic neurons and AI, attenuated [Ca2+]i overload, increased expression of pAMPK, ULK1, and LC3 II/I, and markedly reduced expression of mTOR, p53, and caspase-3 in hypothalamus and striatum. In hypothalamus, TMPP increased Bcl-2 expression and decreased Bax expression. In striatum, TMPP and BO increased Beclin1 expression while TMPP increased Bcl-2 expression and decreased Bax expression. TMPP + BO combination therapy enhanced expression of LC3 II/I, pAMPK, mTOR, and ULK1 in hypothalamus, and pAMPK, mTOR, ULK1, Beclin1, and Bax in striatum compared to the monotherapies. Combination therapy synergistically modulated p53 and adjusted Bcl 2 in striatum compared to TMPP and BO monotherapies, respectively. These results demonstrated a synergistic effect of TMPP + BO in protecting against hypothalamus and striatum in rats from ischemia-reperfusion injury and suggested that the mechanism involved shifting neurons from harmful apoptosis to protective autophagy and reducing neuronal [Ca2+]i. PMID- 29218082 TI - Functional characterization of CXCR4 in mediating the expression of protein C system in experimental ulcerative colitis. AB - The present study aimed to explore the role of CXCR4 and protein C system (PCS) in the experimental ulcerative colitis (UC). The expression of CXCR3, CCR10, and CXCR4 in dextran sulfate sodium (DSS)-induced colitis mouse model was measured by immunohistochemistry and western blot analysis. In vitro studies with microvascular endothelial cells (MVECs) were performed. The expression of endothelial protein C receptor (EPCR) and thrombomodulin (TM) were detected by RT PCR and western blot analysis. Activities of protein C (PC), protein S (PS), activated PC (APC) were evaluated in cells pre-treated with JNK inhibitor SP600125 and c-Jun silencing. DSS mice showed up-regulated expression of CXCR4, higher macroscopic score and histological score (P<0.05), as well as elevated levels of SDF-1alpha (P<0.05) compared with wild type, CXCR4-/-, or CXCR4-/- +DSS mice. In DSS mice, EPCR expression was down-regulated (P<0.05), accompanied by decreased activity of PC and PS (P<0.05 or P<0.01) with an up-regulated expression of pJNK MAPK and pc-Jun (P<0.05). Moreover, the macroscopic score and histological score index, SDF-1alpha levels, EPCR expression, PC activity, pJNK, and pc-Jun were reversed in CXCR4-/- +DSS mice (P<0.05). In vitro, SDF-1alpha induced inhibition of the PCS was blunted by SP600125 (P<0.05). Meanwhile, down regulation of c-Jun rescued the inhibition of PCS (P<0.05). MVECs with retrovirus mediated transfection of c-Jun demonstrated a strong trans-inactivation effect on the EPCR promoter (P<0.05). These findings suggest that CXCR4 is involved in UC pathogenesis and could be a promising therapeutic target for UC treatment. PMID- 29218083 TI - Overexpression and biological function of MEF2D in human pancreatic cancer. AB - To explore the expression, clinical significance, biological function, and potential mechanism of MEF2D in pancreatic cancer, the expression of MEF2D in human pancreatic cancer tissues and corresponding adjacent normal tissues was analyzed through immunohistochemical staining. The association between MEF2D expression, clinicopathological parameters, overall survival, and disease-free survival was evaluated. Human pancreatic cancer cell lines BxPC-1 and SW1990 were selected to investigate the effect of MEF2D knockdown on cell proliferation, migration, and invasion. Western blot analysis was used to assess the effect of MEF2D expression on the Akt/GSK pathway, as well as the protein expression of cyclin B1, cyclin D1, matrix metalloprotein (MMP)-2, and MMP-9. Our results revealed that the expression of MEF2D was increased in pancreatic cancer tissues compared to adjacent normal tissues and the increased expression of MEF2D was associated with tumor size, histological differentiation, and TNM stage of pancreatic cancer patients. Moreover, the expression of MEF2D was an independent prognostic indicator for pancreatic cancer patients. In addition, knockdown of MEF2D in pancreatic cancer cells inhibited cell proliferation, migration, and invasion by down-regulating the protein expression of cyclin B1, cyclin D1, MMP 2, and MMP-9. Knockdown of MEF2D reduced the levels of phosphorylated Akt and GSK 3beta. Our data indicated that MEF2D expression was increased in pancreatic cancer and was an independent molecular prognostic factor for pancreatic cancer patients. Furthermore, we showed that MEF2D controlled cell proliferation, migration, and invasion abilities in pancreatic cancer via the Akt/GSK-3beta signaling pathway. PMID- 29218084 TI - Regulation of osteogenic differentiation by DNA methylation of the dishevelled gene in bone marrow mesenchymal stem cells. AB - Bone marrow mesenchymal stem cells (BMSCs) are stem cells with multidirectional differentiation potential, which can be used as seed cells to repair and reconstruct many types of tissues and organs following injury or disease. Osteogenic differentiation involves a variety of pathway and factors, including cytokines, growth factors, and hormones. In the present study, we investigated the potential role of Dishevelled in osteogenic differentiation of BMSCs in induction medium containing the methyltransferase inhibitor 5-aza-2' deoxycytidine. The expression of Dishevelled was analyzed using the reverse transcriptase-polymerase chain reaction (RT-PCR) and a Western blot. The methylation degree of the CpG island in the promoter region of the Dishevelled gene was analyzed, and protein expression levels of Wnt, Glycogen synthase kinase 3 (GSK3), axin, Dishevelled, and beta-catenin were increased after the addition of the methyltransferase inhibitor. The expression of Dishevelled increased in accordance with the differentiation of osteoblasts, and the degree of methylation of the promoter affected its expression level. In conclusion, regulating the methylation degree of the Dishevelled gene promoter region appears to influence the expression of Dishevelled and therefore the osteogenic differentiation of BMSCs. PMID- 29218086 TI - MicroRNA-520d-5p inhibits human glioma cell proliferation and induces cell cycle arrest by directly targeting PTTG1. AB - Glioma accounts for the majority of primary malignant brain tumors in adults and is highly aggressive. Although various therapeutic approaches have been applied, outcomes of glioma treatment remain poor. Acquiring a better understanding of the pathogenic mechanisms is essential to the design of effective therapeutic strategies. Previous studies have found that miR-520d-5p was negatively correlated with glioma grade, but its role and mechanism in glioma progression remain largely unknown. In the present study, we reported that miR-520d-5p directly targeted the Pituitary Tumor Transforming Gene 1 (PTTG1) and functioned as a tumor-suppressor in glioma. The expression of miR-520d-5p in glioma cells and specimens were detected by Quantitative reverse transcription-PCR and Fluorescence in situ hybridization (FISH). The effects of miR-520d-5p on glioma progression was examined by cell-counting kit 8, colony formation, 5-ethynyl-2 deoxyuridine (EDU) and flow cytometry assays. Using bioinformatics and luciferase reporter assays, we identified PTTG1 as a novel and direct target of miR-520d-3p. A xenograft model was used to study the effect of miR-520d-5p on tumor growth and angiogenesis. We found that miR-520d-5p expression was significantly decreased in glioma cell lines and tissues. Overexpression of miR-520d-5p showed a significant inhibitory effect on cell proliferation and accompanied cell cycle G0/G1 arrest in U87-MG and LN229 glioma cells. PTTG1 was a novel and direct target of miR-520d 5p, and the protein expression of PTTG1 was markedly reduced after overexpression of miR-520d-5p in U87-MG and LN229 cells. Overexpression of PTTG1 reversed the inhibitory effect of miR-520d-5p on glioma cell proliferation. In vivo studies confirmed that miR-520d-5p overexpression retarded the growth of U87 xenograft tumors, which was accompanied by reduced expression of PTTG1. In conclusion, these results provide compelling evidence that miR-520d-5p functions as an anti onco-miRNA, which is important in inhibiting cell proliferation in GBM, and its anti-oncogenic effects are mediated chiefly through direct suppression of PTTG1 expression. Therefore, we suggest that miR-520d-5p is a potential candidate for the prevention of glioblastoma. PMID- 29218085 TI - Identification and differential expression of microRNAs in 1, 25-dihydroxyvitamin D3-induced osteogenic differentiation of human adipose-derived mesenchymal stem cells. AB - The aim of this study was to identify specific microRNAs (miRNAs) and their regulatory roles in the process of 1, 25-dihydroxyvitamin D3-induced (VD3 induced) osteogenic differentiation of human adipose-derived Mesenchymal stem cells (hAMSCs). The differentially expressed miRNAs in VD3-induced hAMSCs was examined. The putative target genes of these miRNAs were predicted. A total of 76 conserved miRNAs, including 18 miRNAs were significantly up-regulated and 58 miRNAs were significantly downregulated, and significantly differentially expressed between the two samples. The expression of 4 upregulated miRNAs (miR-1 3p, miR-1247-5p, miR-217, and miRNA-483) and 5 downregulated miRNAs (miR-1284, miR-218, miR-582-3p, miR-187-3p, and miRNA-122-5p) were verified. The highly enriched GOs and KEGG pathway showed target genes of these miRNAs were significantly involved in multiple biological processes (signal transduction, cell differentiation, cell adhesion and cell proliferation), and several osteogenic pathways (MAPK signaling pathway, TGF-beta/BMP signaling pathway, and Wnt signaling pathway). Finally, TGF-beta/BMP signaling pathway was selected for target verification and function analysis. We observed that a number of osteo genes in the TGF-beta/BMP superfamily, such as BMPRI, BMPRII, TGFBRI, TGFBRII, BMP4, TGFbeta, Smad2, 3, 8, were predicted to be target gene of the differentially expressed miRNAs. Among them, TGFB, BMP4, BMPRI, and Smad8, which are positive regulators in osteoblast differentiation, were confirmed to be significantly up-regulated in VD3-induced cells by qRT-PCR; while Smad6 and activinRI, which are negative regulators of the TGF-beta/BMP superfamily, were shown to be significantly down-regulated. These results will help to understand the role of miRNA in the regulation of the osteogenic differentiation of hAMSCs. PMID- 29218087 TI - The cytoskeleton protein beta-actin may mediate T cell apoptosis during acute rejection reaction after liver transplantation in a rat model. AB - Cytoskeletal proteins and associated regulatory proteins are essential for maintaining cell structure and growth. beta-actin is a major component of the cytoskeleton, and beta-actin remodeling is involved in lymphocyte migration, infiltration and apoptosis. However, little is known about whether changes in beta-actin expression affect lymphocyte cell fate, particularly during acute rejection after liver transplantation in a rat model. In our studies, grafts were harvested on days 5, 7 or 9 after xenogeneic rat liver transplantation. The acute rejection grade was histopathologically evaluated. Recipient-derived CD8+ T lymphocytes gradually infiltrated into liver allografts in cases of severe acute rejection. The apoptotic rate of CD8+ T lymphocytes peaked on day 7 and then decreased. Moreover, changes in beta-actin expression were consistent with the apoptotic rate of CD8+ T lymphocytes in both allografts and peripheral blood based on western blotting and immunohistochemistry results. Additionally, jasplakinolide (an actin-stabilizing drug) evoked CD8+ T lymphocyte apoptosis. In conclusion, our study is the first to describe the fluctuating expression levels and dynamics of the cytoskeletal protein beta-actin and its potential roles in the pathogenesis of acute rejection following rat liver transplantion. Our results enhance the understanding of the roles of CD8+ T lymphocytes during acute rejection and suggest that beta-actin regulation leads to apoptosis. PMID- 29218088 TI - Effect of astragaloside IV on diabetic gastric mucosa in vivo and in vitro. AB - This study evaluated the effects of AS-IV on high glucose induced-gastric mucosal lesions compared to the effects of the Bu-zhong-yi-qi pill and the Xiaoke pill, which are already in clinical use. STZ-induced diabetic SD rats were treated with drugs for 12 weeks. Diabetes serum (DS) was used to mimic high glucose conditions in GES-1 cells in vitro at different concentrations and time points. The drugs were set at three concentration gradients for 24, 48 and 72 h before being added to DS-induced GES-1 cells. The proliferation activity and inhibition ratio of cells were measured by the CCK-8 assay. Gastric tissues were examined by H&E staining. Cell morphology was observed by inverted phase contrast microscopy. Apoptosis of cells was detected by annexin V-FITC/PI. In addition, expression levels of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and mucin1 (MUC1) were measured by Western blots. We found that the drugs significantly alleviated the pathological damage in STZ-induced gastric mucosal lesions. DS inhibited the viability of the cells in a dose and time-dependent manner, while pretreatment with drugs reversed these effects. Pretreatment with drugs also ameliorated the changes in cell morphology and inhibited cell apoptosis. Furthermore, the drugs decreased the expression levels of iNOS, COX-2 and MUC1. AS-IV showed the most beneficial effect compared with buzhong and xiaoke. These results suggest that AS-IV had a significant effect on high glucose induce gastric mucosal lesions compares with buzhong and xiaoke. We speculate that this is in part through restoring the balance of iNOS, COX-2 and MUC1 expressions. Thus, AS-IV may be a potential antioxidant drug for treating diabetic gastropathy. PMID- 29218089 TI - The role of sildenafil in the development of transplant arteriosclerosis in rat aortic grafts. AB - Chronic rejection (CR), which is characterized histologically by progressive graft arteriosclerosis, remains a significant barrier to the long-term survival of a graft. Sildenafil has been shown to protect vascular endothelial cells. In this study, we found that sildenafil significantly reduces the thickness of transplant vascular intima in a rat aortic transplant model. Moreover, sildenafil dramatically decreased the expression of transforming growth factor-beta1 (TGF beta1), vascular endothelial growth factor (VEGF), and alpha-smooth muscle actin (alpha-SMA) in the grafted aortas and increased the concentrations of cyclic guanosine monophosphate (cGMP) and endothelial nitric oxide synthase (eNOS) in serum. Furthermore, the ratio of regulatory T (Treg) cells and the expression of FoxP3 were increased, and the ratio of Th17 cells was decreased in the sildenafil treated group. These results demonstrate that sildenafil enhances nitric oxide (NO) signaling by increasing the availability of cGMP, leading to an increase in the ratio of Treg/Th17 cells to attenuate transplant arteriosclerosis in a rat aortic transplant model. PMID- 29218090 TI - Mir-24 regulates hepatocyte apoptosis via BIM during acute liver failure. AB - Acuteliver failure (ALF) has a high mortality rate and is characterized by massive hepatocyte destruction. Although microRNAs (miRNAs) play an important role in manyliver diseases, the role of miRNAs in ALF development is unknown. In this study, the murine ALF model was induced by intraperitoneal injection of D galactosamine/lipopolysaccharide (D-GalN/LPS). Compared with saline-treated mice, miR-24 was distinctly down-regulated post D-GalN/LPS challenge in vivo and D galactosamine/tumor necrosis factor (D-GalN/TNF) challenge in vitro, which was confirmed by quantitative real-time polymerase chain reaction. Meanwhile, the mRNA and protein levels of the BH3-only-domain-containing protein BIM were upregulated after challenge both in vivo and in vitro. Previous studies have demonstrated that hepatocyte apoptosis is a distinguishing feature of D-GalN/LPS associated liver failure. In this study, D-GalN/LPS-challenged mice showed higher alanine aminotransferase and aspartate aminotransferase levels, more severe liver damage, increased numbers of apoptotic hepatocytes and higher levels of caspase-3 compared with saline-treated mice. In D-GalN/TNF-treated BNLCL2 cells, miR-24 overexpression attenuated apoptosis.Furthermore, miR-24 overexpression reduced BIM mRNA and protein levels in vitro. Taken together, these findings demonstrate that miR-24 regulates hepatocyte apoptosis via BIM during ALF development, suggesting that miR-24 is a novel onco-miRNA that may provide potential therapeutic targets for ALF. PMID- 29218091 TI - Angiogenic and wound healing potency of fermented virgin coconut oil: in vitro and in vivo studies. AB - OBJECTIVE: The process of wound healing involves activation of keratinocytes, fibroblasts, endothelial cells, etc. Angiogenesis is crucial during the process of wound healing. Virgin coconut oil is widely utilized in South Asia for various purposes including food, medicinal and industrial applications. This study aimed to evaluate the potency of fermented virgin coconut oil (FVCO) in angiogenesis and wound healing via both in vitro and in vivo assays. METHODS: Human umbilical vein endothelial (HUVEC), fibroblast (CCD-18) and retinal ganglion (RGC-5) cells were cultured in medium containing different concentrations of FVCO. The proliferation, migration and morphological changes of cells were determined. The angiogenic effect of FVCO was evaluated by rat aortic assay. The therapeutic effect of FVCO on wound healing was further assessed in a wound excision model in Sprague Dawley rats. The expression of phospho-VEGFR2 (vascular endothelial growth factor receptor 2) in HUVECs was detected by Western blot. RESULTS: FVCO (6 and 12 ug/mL) significantly improved the proliferation of HUVEC, CCD-18 and RGC-5 cells (P < 0.05 or 0.01). FVCO (25 ug/mL) markedly increased the migration ability of CCD-18 and RGC-5 cells (P < 0.05). FVCO did not affect cell morphology as indicated by fluorescein diacetate (FDA), rhodamine 123 and Hoechst staining. FVCO (25, 50 and 100 ug/mL) significantly stimulated the ex vivo blood vessel formation as compared with negative control (P < 0.05). Rats in FVCO group had significantly smaller wound size, higher wound healing percentage, and shorter wound closure time when compared with control group since day 8 (P < 0.05), suggesting that oral FVCO administration notably promoted the wound healing process. FVCO treatment (6 and 12 ug/mL) significantly enhanced the phospho VEGFR2 expression in HUVECs (P = 0.006 and 0.000, respectively). CONCLUSION: Our study confirms a high angiogenic and wound healing potency of FVCO that might be mediated by the regulation of VEGF signing pathway. PMID- 29218092 TI - Hsp90 inhibitor sensitizes TRAIL-mediated apoptosis via chop-dependent DR5 upregulation in colon cancer cells. AB - Heat shock protein 90 (Hsp90), a molecular chaperone, is involved in a variety of physiological and pathological processes. Targeting Hsp90 by small molecules has been developed as an attractive strategy of anticancer therapy. In this study, we investigated the mechanism of Hsp90 inhibitor suppresses CRC growth and potentiates effects of other chemotherapeutic drugs. We found that Hsp90 inhibitor induces chop-dependent DR5 upregulation regardless of p53 status. Furthermore, DR5 is required for Hsp90 inhibitor-induced apoptosis. Hsp90 inhibitor also synergized with TRAIL to induce marked apoptosis via DR5 in CRC. Overall, our results illustrate DR5 play a key role in mediating the anticancer effects of Hsp90 inhibitor in CRC and suggest that DR5 expression can be used as an indicator of Hsp90 inhibitor sensitivity, which has important implications for it clinical applications. PMID- 29218093 TI - P2X7 receptor regulates sympathoexcitatory response in myocardial infarction rats via NF-kappaB and MAPK pathways. AB - Previous studies have provided evidence for the regulatory effect of P2X7 receptor (P2X7R) on cardiovascular activities. Our study focused on exploring the function and fundamental mechanism of microglial P2X7R in controlling sympathoexcitatory response using rats with acute myocardial infarction (AMI). Coronary artery ligation was used in rats to cause AMI. And before that, rats were administrated with P2X7R siRNA that targeted P2X7R mRNA into paraventricular nucleus (PVN) or BBG (Brilliant Blue G, a P2X7 receptor antagonist). Increased expression levels of P2X7R and adenosine triphosphate (ATP) were observed in the hypothalamic PVN of AMI rats. Moreover, the knockdown of P2X7R expression by P2X7 siRNA or suppression of P2X7 receptor by BBG attenuated the elevation of both vasopressin and oxytocin levels in the PVNs of AMI rats. There was also a decrease in renal sympathetic nerve activity (RSNA) by P2X7-siRNA and BBG. Besides, inflammation was alleviated by P2X7-siRNA and BBG through suppressing pro-inflammatory cytokines IL-1beta and IL-6 in PVN of AMI rats. Furthermore, blockade of P2X7R moderated the process of cardiac remodeling. This was achieved due to the regulatory effect of P2X7R on sympathoexcitatory response by influencing NF-kappaB and mitogen-activated protein kinase (MAPK) signaling. These findings suggest that P2X7R can act as a new regulator of sympathoexcitatory response via NF-kappaB and MAPK signaling pathways in AMI rats. PMID- 29218094 TI - MiR-351 negatively regulates osteoblast differentiation of MSCs induced by (+) cholesten-3-one through targeting VDR. AB - Our previous reports indicated that (+)-cholesten-3-one induces osteogenic differentiation of bone marrow mesenchymal stem cells (MSCs) by activating vitamin D receptor (VDR). However, whether and how miRNAs modulate osteogenic differentiation induced by (+)-cholesten-3-one have not been explored. In this study, miRNA array profiling and further validation by quantitative real-time PCR revealed that miR-351 was downregulated during (+)-cholesten-3-one-induced osteogenic differentiation of MSCs. Overexpression of miR-351 by miR-351 precursor transfection markedly inhibited the expression of osteoblast-specific genes, such as alkaline phosphatase (ALP), collagen type II, osteopontin (OPN), and runt-related transcription factor 2 (RUNX2), which consequently decreased a number of calcium mineralized nodules. Inhibition of miR-351 function by anti-miR 351 promoted expression of osteoblast-specific genes. Our results suggest that miR-351 is a negative regulator of osteoblast differentiation of MSCs induced by (+)-cholesten-3-one. Target prediction analysis tools and experimental validation by luciferase 3'UTR reporter assay identified VDR as a direct target of miR-351. miR-351 inhibited the expression of the VDR, which played a critical role in the control of osteogenic differentiation of MSCs. Importantly, overexpression of VDR significantly abolished the inhibitory effect of miR-351 on (+)-cholesten-3-one induced osteogenic differentiation. Taken together, our results demonstrate that miR-351 negatively regulates osteoblast differentiation of MSCs induced by (+) cholesten-3-one through targeting VDR. These findings provid evidence that miR 351 can bea possible therapeutic target for bone repair and regeneration. PMID- 29218095 TI - Effect of repeated neonatal sevoflurane exposure on the learning, memory and synaptic plasticity at juvenile and adult age. AB - Currently sevoflurane is the volatile anesthetic most wildly used in pediatric surgery. Whether neonatal exposure to sevoflurane brings about a long-lasting adverse impact even at juvenile and adult age, attracts extensive concerns. However, to date the consensus has not been reached and how exposure to sevoflurane in early life affects long-term ability of learning and memory is not fully elucidated. To obtain further insight into this issue, 32 neonatal SD rats were assigned into control group (group C, n=16) and sevoflurane group (group SEV, n=16). At postnatal day 7 (P7), 14 (P14) and 21 (P21) rats pups in group SEV received repeated exposure to 2.6% sevoflurane for 2 h. At juvenile and adult age, Morris water maze (MWM) was used to determine the spatial memory performance. Subsequently long-term and short-term synaptic plasticity in hippocampal CA1 region were investigated by in vivo electrophysiological method. Our behavioral data revealed that repeated exposure to 2.6% sevoflurane in early life did not result in marked behavioral abnormalities. However, in electrophysiological experiment, long-term potentiation (LTP) in hippocampal neurons of animals neonatally exposed to sevoflurane was significantly inhibited as compared to animals in group C at both juvenile and adult age. Pair-pulse facilitation (PPF) ratio in group SEV at juvenile and adult age was augmented to varying extent. These effects were most noticeable at juvenile stage with tendency of alleviation during adulthood. The present study provides an alternative explanation for the mechanism underlying developmental neurotoxicity of sevoflurane, which may ameliorate future preventive and therapeutic strategies. PMID- 29218096 TI - MiR-106a promotes tumor growth, migration, and invasion by targeting BCL2L11 in human endometrial adenocarcinoma. AB - Growing evidence indicates that miR-106a is involved in tumor growth and metastasis of cancers, but the participation of miR-106a in endometrial adenocarcinoma (EC) is not clear. BCL2L11 is a member of the BCL-2 family and is located in the outer membrane of mitochondria, where this protein acts as a key regulator of excitotoxic apoptosis, apoptosis-inducing factor translocation, and mitochondrial depolarization. To identify a novel therapeutic target in EC, we studied the roles of miR-106a in the proliferation, apoptosis, and metastasis of EC. The expression levels of miR-106a were measured in tumor tissues of EC by quantitative real-time PCR, and lentiviral transduction was used to verify the function of miR-106a by silencing. Subcutaneous injection of EC cell lines into athymic mice was used to research EC tumor formation. Bioinformatics tools and a luciferase assay were applied to assess the relation between miR-106a and its target. The protein level of the miR-106a target was measured by western blotting. MiR-106a expression was higher in EC tissues compared with their healthy counterparts. Inhibition of expression of miR-106a reduced EC cell migration and invasion in vitro as well as in vivo tumor growth. BCL2L11 mRNA contains a binding site for miR-106a in the 3'untranslated region. BCL2L11 was found to be one of miR-106a targets. Altogether, our data suggest that miR-106a inhibits proliferation and invasiveness and induces cell cycle arrest and apoptosis in EC cells by targeting BCL2L11, and therefore miR-106a may serve as a prognostic marker of EC. PMID- 29218097 TI - Histone deacetylase inhibitor NaBut suppresses cell proliferation and induces apoptosis by targeting p21 in multiple myeloma. AB - Multiple myeloma (MM) is an extremely serious hematological malignancy that remains incurable due to chemotherapy resistance. Epigenetic regulation is closely associated with progression of MM. Histone deacetylase inhibitor NaBut functions in various physiologic processes, including inflammation and differentiation. Its' possible roles in MM progression have not been explored. In this report, NaBut decreased survival of several human MM cell lines in a dose- and time-dependent manner. NaBut could also lead to cell cycle arrest at the G2/M phase in a dose-dependent manner. NaBut inhibited bortezomib-resistant cell proliferation in dose- and time-dependent manners, and NaBut was likely to induce partly bortezomib-resistant MM cell death. Moreover, NaBut induced MM cell apoptosis via transcriptional activation of p21. Overall, our results implicate NaBut as a potential therapeutic drug for MM. PMID- 29218098 TI - Overexpression of microRNA-145 protects against rat myocardial infarction through targeting PDCD4. AB - Myocardial infarction (MI) is a common cardiovascular disease with high mortality. The aim of the present study was to determine the biological role of miR-145 in MI rats and hypoxia-injured cardiomyocytes and to elucidate the potential mechanism. MI rats were induced by left anterior descending artery (LAD) ligation. qRT-PCR and western blot analysis were performed to determine the mRNA and protein levels, respectively. Compared with sham group, miR-145 levels in MI group were significantly decreased. We observed that lentivirus-mediated overexpression of miR-145 significantly improves cardiac function, reduces infarcted tissue size and prevents post-infarction induced apoptosis in rats after MI. Furthermore, PDCD4 was identified as a novel target of miR-145 in cardiomyocytes, and overexpression of PDCD4 could remarkably restore the miR-145 inhibited cardiomyocytes apoptosis and mitochondrial dysfunction after hypoxia injury. Therefore, our study indicated that miR-145/PDCD4 axis might be potential therapeutic targets for the treatment of MI, and its cardioprotective effect may be attributed to a reduction of mitochondria-mediated apoptosis. PMID- 29218099 TI - Long non-coding RNA HOTAIR enhances angiogenesis by induction of VEGFA expression in glioma cells and transmission to endothelial cells via glioma cell derived extracellular vesicles. AB - Gliomas are one the most prevalent malignant carcinomas of the central nervous system, and angiogenesis plays a critical role in the progression of these blood vessel-rich tumors. HOTAIR, a long non-coding RNA (lncRNA), acts as an oncogene in gliomas; however, its role in glioma angiogenesis remains unclear. In the present study, we identified a pro-angiogenic activity of HOTAIR. Silencing HOTAIR inhibited glioma-induced endothelial cell proliferation, migration, and tube formation. Further studies showed that vascular endothelial growth factor A (VEGFA) was involved in the HOTAIR-induced glioma angiogenesis. Our study also showed that HOTAIR was present in the glioma cell culture supernatant and was protected by membranes, suggesting that HOTAIR may affect glioma angiogenesis not only via regulation of VEGFA expression in the glioma cells, but also by transmission into endothelial cells via glioma cell-derived extracellular vesicles. PMID- 29218100 TI - Staphylococcus aureus peptidoglycan promotes osteoclastogenesis via TLR2-mediated activation of the NF-kappaB/NFATc1 signaling pathway. AB - Staphylococcus aureus (S. aureus) peptidoglycan (PGN-sa), the major cell wall component of S. aureus, has been demonstrated to be an important virulence factor in the pathogenesis of S. aureus-induced osteomyelitis. However, the exact role of PGN-sa in osteoclastogenesis during S. aureus-induced osteomyelitis and its underlying molecular mechanisms remain unclear. In this study, we found that PGN sa promoted receptor activator of nuclear factor-kappaB (NF-kappaB) ligand (RANKL)-induced osteoclast formation. Quantitative real-time polymerase chain reaction results showed that the mRNA expression of osteoclast-specific marker genes, including tartrate-resistant acid phosphatase, cathepsin K, matrix metalloproteinase-9, and calcitonin receptor was upregulated by PGN-sa treatment. The results of enzyme linked immunosorbent assay showed that PGN-sa promoted the production of proinflammatory cytokines in mouse bone marrow macrophages (mBMMs) treated with RANKL. PGN-sa enhanced RANKL-stimulated protein expression of Toll like receptor 2 (TLR2), p-IkappaBalpha, and nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1). Luciferase reporter assay showed that PGN-sa increased the transcriptional activity of TLR2 and NF-kappaB in mBMMs treated with RANKL. In addition, we found that downregulation of TLR2 attenuated the effect of PGA-sa on RANKL-induced osteoclastogenesis and activation of the NF-kappaB/NFATc1 signaling pathway. Taken together, this study revealed that PGN-sa promotes osteoclast formation via TLR2-mediated activation of the NF-kappaB/NFATc1 signaling pathway, revealing a potential effect of PGN-sa on osteomyelitis. These findings provide new insights into the pathogenic role of PGN-sa in S. aureus induced osteomyelitis and may help to develop new therapeutic strategies for osteomyelitis. PMID- 29218101 TI - Delta/notch-like epidermal growth factor-related receptor (DNER) orchestrates stemness and cancer progression in prostate cancer. AB - DNER, Delta/Notch-like epidermal growth factor (EGF)-related receptor, is a neuron-specific transmembrane protein carrying extracellular EGF-like repeats. The function of DNER in prostate cancer has not been evaluated. Here, we showed that the upregulation of DNER is observed in various cancers, including prostate cancer. Knockdown of DNER in PC-3 cells inhibited cell proliferation, migration and invasion as well as tumorigenesis in PC-3 xenografts. DNER knockdown specifically inhibited cell growth in spheroids. RT-PCR and western blot analysis were performed, and CD44, HES1 and GLI1 expression was significantly decreased in DNER knockdown cells. Thus, DNER promotes prostate cancer progression and the growth of PC-3 cells by modulating the primary genes of cancer stem cells. PMID- 29218102 TI - Dexmedetomidine alleviates LPS-induced septic cardiomyopathy via the cholinergic anti-inflammatory pathway in mice. AB - This study was conducted to investigate the role of the cholinergic anti inflammatory pathway in LPS-induced septic cardiomyopathy in mice. C57BL/6 mice were used to construct septic cardiomyopathy models. The optimal duration of lipopolysaccharide (LPS) treatment was determined by HE staining and TUNEL assay. Blank controls were intraperitoneally injected with saline and models were injected with LPS (10 mg/kg) (LPS), alpha-bungarotoxin (BT-LPS), BT and dexmedetomidine (BT-DEX-LPS). The pathological examinations were performed on HE- stained myocardium tissues, apoptosis was determined using TUNEL assay, mRNA expression of NF-kappaB p65, Caspase-3, Caspase-8, Bcl-2, Bax, p53 and alpha7nACh was quantified using qRT-PCR, protein levels of IL-6, IL-1beta, TNF-alpha and phosphorylated STAT3 (p-STAT3) were analyzed using Western blot analysis. HE staining and TUNEL assays showed that the optimal LPS treatment time for septic cardiomyopathy induction was 16 h. Compared with the blank control, mice in LPS group had significantly higher apoptosis, while DEX and BT reduced apoptosis when they were used separately and increased apoptosis when they were used jointly. In the LPS-treated mice, the levels of NF-kappab p65, Caspase-3, Caspase-8, Bax, p53, IL-6, IL-1beta, TNF-alpha and p-STAT3 were significantly increased, while alpha7nAChR level was decreased significantly (P < 0.01); DEX alone had no impact on the expression of these proteins but significantly up-regulated the expression of these genes except alpha7nAChR when used jointly with BT (P < 0.01). It is clear that DEX can alleviate heart injury, while alpha7nAChR-specific blocker BT is antagonistic against the anti-inflammatory effect of DEX on sepsis in mice. PMID- 29218103 TI - MicroRNA-429 sensitizes pancreatic cancer cells to gemcitabine through regulation of PDCD4. AB - One of the features for pancreatic cancer is that it is often resistant to chemotherapy treatment, which is one of the major hindrances in the treatment of this malignancy. Previous studies indicated that the microRNAs (miRNAs) could mediate resistance of tumor cells to chemotherapy drug in the cancer progression. In the present study, we are aimed to examine whether microRNA-429 was involved in mediating the chemo-resistance of pancreatic cancer cells to gemcitabine. Firstly, a gemcitabine-resistant pancreatic cancer cell line (SW1990/GZ) derived from cell line (SW1990) was constructed and found to possess a decreased expression of miR-429 when it is compared to the original cell line. Ectopic expression of miR-429 in SW1990/GZ increased the cellular sensibility to the treatment of gemcitabine, which is coincided with increased expression of PDCD4. As a tumor suppressor, we found that PDCD4 knockdown in SW1990/GZ cells increased its own chemo-resistance to GZ, which indicates PDCD4 also play a regulative role on the GZ-resistance in the pancreatic cancer. To further confirm the function of miR-429 and PDCD4 in gemcitabine-resistant pancreatic cancer, a xenograft nude mouse model was utilized to examine whether miR-429 can restore treatment response of gemcitabine in gemcitabine-resistant xenografts, while protein levels of PDCD4 were up-regulated. Together with those results, these findings collectively provided that miR-429 could enhancer GZ sensitivity via regulation of PDCD4 expression in pancreatic cancer cells, which may offer a novel therapeutic target for the chemotherapy resistance in pancreatic cancer. PMID- 29218104 TI - Aspirin inhibits the proliferation of synovium-derived mesenchymal stem cells by arresting the cell cycle in the G0/G1 phase. AB - Mesenchymal stem cells (MSCs) provide promising applications for clinical treatments. However, patients often take medications that affect the viability of transplanted MSCs. The aim of this study was to assess the effects and underlying mechanism of action of aspirin on the proliferation of MSCs. We showed that aspirin inhibited the growth of MSCs in a concentration- and time-dependent manner. Analysis of cell-cycle distributions showed significantly increased cell populations in the G0/G1 phase and decreased cell populations in the S phase and G2/M phase with increasing concentrations of aspirin. We further analyzed the expression of cyclins and found that the level of cyclin D1 was significantly reduced after aspirin treatment, while there was no obvious effect on the levels of cyclin A2 and cyclin E1. Because we showed that the expression of miRNA145 was significantly increased after aspirin treatment, we further transfected MSCs with an miRNA145 mimic or miRNA145 inhibitor. Transfection with the miRNA145 mimic resulted in decreased expression of cyclin D1, while transfection with miRNA145 inhibitor resulted in increased expression of cyclin D1. Transfection with miRNA145 inhibitor abolished the downregulation of cyclin D induced by aspirin. The results suggested that aspirin inhibited the proliferation of MSCs and caused cell-cycle arrest in the G0/G1 phase through downregulation of cyclin D1, which could be related to the increased expression of miRNA145. PMID- 29218105 TI - Systemic inflammation is associated with myocardial fibrosis, diastolic dysfunction, and cardiac hypertrophy in patients with hypertrophic cardiomyopathy. AB - BACKGROUND: Regional or diffuse fibrosis is an early feature of hypertrophic cardiomyopathy (HCM) and is related to poor prognosis. Previous studies have documented low-grade inflammation in HCM. The aim of this study was to examine the relationships between circulating inflammatory markers and myocardial fibrosis, systolic and diastolic dysfunction, and the degree of cardiac hypertrophy in HCM patients. METHODS AND RESULTS: Fifty HCM patients were recruited while 20 healthy subjects served as the control group. Seventeen inflammatory cytokines/chemokines were measured in plasma. Cardiac magnetic resonance imaging and echocardiography were used to assess cardiac phenotypes. Tumour necrosis factor (TNF)-alpha, interleukin (IL)-6 and serum amyloid P (SAP) were significantly increased in HCM patients compared to controls. IL-6, IL-4, and monocyte chemotactic protein (MCP)-1 were correlated with regional fibrosis while stromal cell-derived factor-1 and MCP-1 were correlated with diffuse fibrosis. Fractalkine and interferon-gamma were associated with left ventricular wall thickness. The above associations remained significant in a linear regression model including age, gender, body mass index and family history. TNF alpha, IL-6, SAP, MCP-1 and IL-10 were associated with parameters of diastolic dysfunction. White blood cells were also increased in HCM patients and correlated with diffuse fibrosis and diastolic dysfunction. However the associations between parameters of systemic inflammation and diastolic dysfunction were weakened in the linear regression analysis. CONCLUSIONS: Systemic inflammation is associated with parameters of the disease severity of HCM patients, particularly regional and diffuse fibrosis. Modifying inflammation may reduce myocardial fibrosis in HCM patients. PMID- 29218106 TI - Extracorporeal shock wave therapy effectively protects brain against chronic cerebral hypo-perfusion-induced neuropathological changes. AB - This study tested the hypothesis that extracorporeal shock wave (ECSW) therapy could protect mouse brain from chronic cerebral hypoperfusion (CHP)-induced neuropathological changes in a bilateral carotid arterial stenosis (CAS) model. Adult-male C57BL/6 (B6) mice (n=36) were randomized into group 1 (sham-control), group 2 (CHP) and group 3 [CHP+ECSW (100 impulses at 0.15 mJ/mm2) on day 5, 10 and 15 after CHP induction]. By day 60 after CHP induction, the white matter lesion, protein expressions of inflammatory (TNF-alpha/NF-kappaB/iNOS), oxidative stress (NOX-1/NOX-2/NOX-4/nitrotyrosine), angiogenesis (eNOS/CD31), apoptotic (Bax/caspase-3/PARP), fibrotic (Smad3/TGF-beta) and mitochondrial-damaged (cytosolic cytochrome-C) biomarkers were significantly higher in group 2 than in groups 1 and 3, and significantly higher in group 3 than in group 1, whereas the protein expressions of anti-apoptotic (Bcl-2), anti-fibrotic (BMP-2/Smad1/5), and mitochondrial-integrity (mitochondrial cytochrome-C) biomarkers showed an opposite pattern to inflammation among the three groups (all P<0.0001). The cellular expressions of inflammatory (Iba-1/GFAP/CD14, F4/80), apoptotic (TUNEL assay) and brain-damaged (gamma-H2AX/AQP4) biomarkers showed an identical pattern to inflammation, whereas the cellular expressions of endothelial-cell (CD31/vWF), neuron/energy-integrity (NeuN/PGC-1alpha) and small-vessel density exhibited an opposite pattern to inflammation among the three groups (all P<0.0001). Cellular angiogenesis (VEGF/SDF-1alpha) significantly and progressively increased from groups 1 to 3 (all P<0.0001). In conclusion, ECSW therapy enhanced angiogenesis, inhibited molecular-cellular perturbations, and protected the white matter and neuron from CHP damage. PMID- 29218107 TI - Scutellarin suppresses human colorectal cancer metastasis and angiogenesis by targeting ephrinb2. AB - Tumor induced angiogenesis is an attractive target for anti-cancer drug treatment. Scutellarin, which is a native compound derived from scutellaria altissima leaves, has already been proved to possess anti-tumor activities. Nevertheless, their effects in colorectal cancer metastasis and angiogenesis have not been evaluated. In order to reveal the anti-angiogenic and anti-metastasis capacity of scutellarin, wound healing and Transwell chamber inserts invasion were done in colorectal cancer cells, and cell proliferation as wells colony formation were conducted to identify the proliferation inhibition of colorectal cancer in vitro. The growth inhibition of scutellarin was further definite by a mouse colorectal xenograft model in vivo. Herein, we demonstrated scutellarin suppressed colorectal cancer cell viability and colony formation in vitro, and remarkably reduced tumor growth in vivo mouse xenografts. Additionally, scutellarin restrained colorectal cancer cells-induced angiogenesis, inhibited human umbilical vascular endothelial cells (HUVECs) migration, tube formation of HUVECs, and micro-vessel formation in chick embnyo chorioallantoic menbreme (CAM) assay. Altogether, our results exhibited the evidence that scutellarin inhibit colorectal cancer angiogenesis and metastasis via targeting ephrinb2 signaling, with the potential of an anti-tumor agent for cancer treatment. PMID- 29218108 TI - The synergistic effect of esophageal squamous cell carcinoma KYSE150 cells and M2 macrophages on lymphatic endothelial cells. AB - Objective: This study aimed to investigate whether tumor-associated macrophages (TAMs) and esophageal squamous cell carcinoma (ESCC) cells could synergistically influence the generation of lymphatic vessels via the VEGF-C/VEGFR-3 signaling pathway and to address its mechanism. Methods: M2 macrophages were sorted with immunomagnetic beads and induced in vitro. VEGF-C siRNA plasmids were constructed and transfected into M2 macrophages and the ESCC cell line KYSE150. Different conditioned culture media before and after transfection were collected and classified into different groups for culturing ESCC-associated lymphatic endothelial cells (ESCC-LECs). Using the CCK-8 assay, Transwell cell migration assay and Matrigel three-dimensional culture, the proliferation, migration and ring forming abilities of ESCC-LECs before and after transfection were compared, respectively. With ELISA, western blot and q(RT)-PCR, VEGF-C concentrations in conditioned culture media and the protein and mRNA expression levels of VEGFR-3 in LECs before and after transfection were compared, respectively. Results: Before transfection, ESCC-LECs in the group with mixed culture medium had stronger proliferation, migration and ring forming abilities than the other groups. The VEGF-C concentration and VEGFR-3 protein and mRNA expression levels were higher in the mixed culture medium group than in the other groups. After transfection, all indices were the lowest in the mixed culture medium group. Conclusions: M2 macrophages can enhance the proliferation, migration and ring forming abilities of ESCC-LECs. ESCC cells and M2 macrophages have synergistic effects on the proliferation, migration and ring forming abilities of ESCC-LECs. VEGF-C siRNA can inhibit the proliferation, migration and ring forming abilities of ESCC-LECs by silencing the expression of VEGF-C and its receptor VEGFR-3 in KYSE150 cells and M2 macrophages. PMID- 29218109 TI - Rational lung tissue and animal models for rapid breath tests to determine pneumonia and pathogens. AB - OBJECTIVE: This study works to develop novel models that may be adopted for earlier non-invasive breathomics tests to determine pneumonia pathogens. METHODS: Two types of pneumonia models were created, both in vitro and in vivo. Paraneoplasm lung tissue and specific pathogen-free (SPF) rabbits were adopted and separately challenged with sterile saline solution control or three pathogens: Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa. After inoculation, headspace air or exhaled air were absorbed by solid phase micro-extraction (SPME) fibers and subsequently analyzed with gas chromatograph Mass Spectrometer (GCMS). RESULTS: Pneumonia and pathogen-specific discriminating VOC patterns (1H-Pyrrole-3-carbonitrile, Diethyl phthalate, Cedrol, Decanoic acid, Cyclohexane, Diisooctyl phthalate) were determined. CONCLUSION: Our study successfully generated nosocomial pneumonia models for pneumonia diagnosis and pathogen-discriminating breath tests. The tests may allow for earlier pneumonia and pathogen diagnoses, and may transfer empirical therapy to targeted therapy earlier, thus improving clinical outcomes. PMID- 29218110 TI - Downregulation of cathepsin G reduces the activation of CD4+ T cells in murine autoimmune diabetes. AB - Type 1 diabetes mellitus (T1DM) is an autoimmune disease due to progressive injury of islet cells mediated by T lymphocytes (T cells). Our previous studies have shown that only cathepsin G (CatG), not other proteases, is involved in the antigen presentation of proinsulin, and if the presentation is inhibited, the activation of CD4+ T cells induced by proinsulin is alleviated in T1DM patients, and CatG-specific inhibitor reduces the activation of CD4+ cells induced by proinsulin in T1DM patients. Therefore, we hypothesize that CatG may play an important role in the activation of CD4+ T cells in T1DM. To this end, mouse studies were conducted to demonstrate that CatG impacts the activation of CD4+ T cells in non-obese diabetic (NOD) mice. CatG gene expression and the activation of CD4+ T cells were examined in NOD mice. The effect of CatG inhibitor was investigated in NOD mice on the activation of CD4+ T cells, islet beta cell function, islet inflammation and beta-cell apoptosis. Furthermore, NOD mice were injected with CatG siRNA in early stage to observe the effect of CatG knockdown on the activation status of CD4+ T cells and the progression of diabetes. During the pathogenesis of diabetes, the expression level of CatG in NOD mice gradually increased and the CD4+ T cells were gradually activated, resulting in more TH1 cells and less TH2 and Treg cells. Treatment with CatG-specific inhibitor reduced the blood glucose level, improved the function of islet beta cells and reduced the activation of CD4+ T cells. Early application of CatG siRNA improved the function of islet beta cells, reduced islet inflammation and beta cell apoptosis, and lowered the activation level of CD4+ T cells, thus slowing down the progression of diabetes. PMID- 29218111 TI - The diagnostic value of microRNA-4787-5p and microRNA-4306 in patients with acute aortic dissection. AB - Acute aortic dissection (AAD) is a life-threatening cardiovascular disease with the high morbidity and mortality. Imaging modalities are the gold standard for the diagnosis of AAD; however, they are not always available in emergency department. Biomarker-assisted diagnosis is important for the early treatment of AAD. The aim of the present study was to identify potential microRNA (miRNA) biomarkers for AAD. Differentially expressed plasma miRNAs between AAD patients and age-matched healthy volunteers were analyzed by miRNA microarray. Quantitative RT-PCR was further performed to verify the expression of selected miRNAs (miR-4787-5p and miR-4306) with an increased number of samples. Receiver operating characteristic (ROC) analysis was used to assess the diagnostic value of miR-4787-5p and miR-4306 as biomarkers for distinguishing AAD. Using TargetScan and miRanda, miR-4787-5p and miR-4306 were selected to predict target gene related to cytokines detecting by dual luciferase assay and western blotting. Nine upregulated and twelve downregulated miRNAs were identified in the circulating plasma of AAD patients. qRT-PCR verified statistically consistent expression of two selected miRNAs with microarray analysis. ROC analyses demonstrated that miR-4787-5p and miR-4306 were specific and sensitive for the early diagnosis of AAD. Bioinformatic predictions and dual luciferase assay suggested that polycystin-1 (PKD1) and transforming growth factor-beta1 (TGF beta1) were respectively direct target of miR-4787-5p and miR-4306. Furthermore, the protein expression of the downstream targets of PKD1 and TGF-beta1 were significantly reduced following overexpression of miR-4787-5p and miR-4306. These results revealed that miR-4787-5p and miR-4306 could be developed as diagnostic potential biomarkers for AAD, and they could be involved in the pathogenesis of AAD. PMID- 29218112 TI - Triptolide protects podocytes from TGF-beta-induced injury by preventing miR-30 downregulation. AB - Triptolide is known to have a strong anti-proteinuric effect through direct protection of podocytes from injury and is used to treat glomerular diseases. However, the mechanism underlying its protective effect on podocytes remains elusive. MiR-30 family has recently been shown to be essential for structural and functional homeostasis of podocytes but is downregulated by injurious factors, leading to podocyte injury. In the present study, we explore whether Triptolide protects podocytes through preventing miR-30 downregulation. Since TGF-beta signaling is a critical mediator in various podocyte injuries and we previously found that TGF-beta induces podocyte injury through downregulating miR-30s, we thus used TGF-beta-induced podocyte injury model to address the issue. We found that Triptolide is capable of protecting cultured podocytes from TGF-beta-induced cytoskeletal injury and apoptosis, as expected. Consistently, Triptolide also prevented TGF-beta-induced signaling activation of MAPK p38, NFkB (p65) and calcineurin/NFATC3, which are known to be downstream mediators of podocyte injury. Meanwhile, Triptolide was found to completely prevent TGF-beta-induced miR-30 downregulation, indicating that Triptolide protects podocytes by sustaining miR-30 expression. Mechanistically, we found that Triptolide can prevent TGF-beta-induced Smad2/3 phosphorylation/activation, which likely underlies miR-30 restoration by Triptolide. We also performed ex vivo study and found that Triptolide prevented TGF-beta-induced miR-30 downregulation and Smad2/3 phosphorylation in the isolated glomeruli of mice or rats. Thus, our study has provided novel insights into the mechanism underlying the therapeutic effectiveness of Triptolide on podocytopathies. PMID- 29218113 TI - Age-associated alteration in Th17 cell response is related to endothelial cell senescence and atherosclerotic cerebral infarction. AB - T-helper 17 (Th17) cells produce Interleukin-17 (IL-17) that plays an important role in host-defense. However, little is known whether aging affects the functions of human Th17 cells. In this study, we examine age-associated alteration in Th17-cell response; correlation between Th17-cells and endothelial cell senescence; and the occurrence of acute cerebral infarction (ACI). First, we examined Th17-frequency, phenotyping, key transcription factors, and relevant cytokines in healthy elderly, middle-aged and young-people along with elderly patients with ACI. We detected levels of endothelial cell senescence markers in mRNA and inflammatory biomarker in serum among the groups. Correlations of Th17 frequency to levels of cytokines and endothelial cell senescence biomarkers have been analyzed. Finally, effects of IL-17 on endothelial cell senescence were explored in vitro. Our study demonstrated that healthy elderly-people have an increased Th17 frequency, RORgammat expression and Th17 related cytokines (IL-17, IL-6) levels in peripheral blood compared to healthy middle-aged and young people. Furthermore, elderly-ACI patients also have an increased Th17 expression as compared to healthy elderly-people. There was no significant difference in levels of memory Th17 frequency among the 4 groups, indicating that IL-17 is mainly produced by memory CD4+ T cells. There were no significant correlations between Th17 frequencies, levels of cytokines, inflammatory biomarkers in serum and endothelial cell senescence biomarkers in mRNA. Cell experiments about human umbilical vein endothelial cells (HUVECs) co-culture with IL-17 demonstrated that IL-17 promotes endothelial cell senescence which is closely related to ACI occurrence. Our results suggested that aging and ACI occurrence strengthen Th17 cell response. Th17/IL-17 may promote endothelial cell senescence, subsequently contributing to ACI occurrence in humans. PMID- 29218114 TI - Comparative transcriptome analysis of the global circular RNAs expression profiles between SHEE and SHEEC cell lines. AB - Esophageal squamous cell carcinoma (ESCC) is widely regarded as one of the most lethal types of cancer around the world. The fact that early detection of ESCC could dramatically improve the treatment outcome of the patients has sparked considerable interest in searching for reliable and accurate diagnostic biomarkers. Recently, circular RNAs (circRNA) have emerged as a new type of non coding RNAs with significant RNase resistance, wide abundance and remarkable internal diversity. There is also increasing evidence suggesting that circRNAs could be implicated in the pathogenesis of cancer and other diseases. In this study, we performed a comparative analysis of the global circRNA expression profiles in normal and malignant esophageal epithelial cell lines by a combination of RNA sequencing and bioinformatics analysis. We identified 813 significantly up-regulated and 445 down-regulated circRNA candidates, of which 32 were subsequently validated by quantitative real-time reverse transcription polymerase chain reaction analysis. The differentially expressed circRNAs were found to be associated with pathways involved in metabolism, cell apoptosis, proliferation and migration, which are commonly altered in cancer cells. Based on the obtained data, we constructed a circRNA-miRNA interaction network, in which circRNA9927-NBEAL1 represented the biggest node. Our study could lay the groundwork for further investigation concerning the pathological roles of circRNAs in ESCC. PMID- 29218115 TI - Erratum: Preventive effects of kudzu root on bone loss and cartilage degradation in ovariectomized rats. AB - [This corrects the article on p. 3517 in vol. 9, PMID: 28804568.]. PMID- 29218116 TI - Erratum: New insights and new hope for pulmonary arterial hypertension: natriuretic peptides clearance receptor as a novel therapeutic target for a complex disease. AB - [This corrects the article on p. 112 in vol. 9, PMID: 28951773.]. PMID- 29218118 TI - New Treatments on the Horizon for Familial Hypercholesterolemia. PMID- 29218119 TI - Carpal Tunnel Syndrome and Other Entrapment Neuropathies. AB - Entrapment neuropathy is the result of pressure on a peripheral nerve as it passes through a narrow canal that is bounded by stiff tissues. In spite of their ubiquitous nature, they are underdiagnosed, underreported, and sometimes not properly managed, especially in developing countries. Entrapment neuropathies are of various types, but the most common type is carpal tunnel syndrome. Mechanisms involved in the pathophysiology of entrapment neuropathies include mechanical compression and nerve ischemia. A clear understanding of the various types and the underlying mechanisms of entrapment neuropathies are invaluable in the decision-making process involved in the management of every patient with the condition. PMID- 29218117 TI - Basis and Statistical Design of the Passive HIV-1 Antibody Mediated Prevention (AMP) Test-of-Concept Efficacy Trials. AB - Background: Anti-HIV-1 broadly neutralizing antibodies (bnAbs) have been developed as potential agents for prevention of HIV-1 infection. The HIV Vaccine Trials Network and the HIV Prevention Trials Network are conducting the Antibody Mediated Prevention (AMP) trials to assess whether, and how, intravenous infusion of the anti-CD4 binding site bnAb, VRC01, prevents HIV-1 infection. These are the first test-of-concept studies to assess HIV-1 bnAb prevention efficacy in humans. Methods: The AMP trials are two parallel phase 2b HIV-1 prevention efficacy trials conducted in two cohorts: 2700 HIV-uninfected men and transgender persons who have sex with men in the United States, Peru, Brazil, and Switzerland; and 1500 HIV-uninfected sexually active women in seven countries in sub-Saharan Africa. Participants are randomized 1:1:1 to receive an intravenous infusion of 10 mg/kg VRC01, 30 mg/kg VRC01, or a control preparation every 8 weeks for a total of 10 infusions. Each trial is designed (1) to assess overall prevention efficacy (PE) pooled over the two VRC01 dose groups vs. control and (2) to assess VRC01 dose and laboratory markers as correlates of protection (CoPs) against overall and genotype- and phenotype-specific infection. Results: Each AMP trial is designed to have 90% power to detect PE > 0% if PE is >= 60%. The AMP trials are also designed to identify VRC01 properties (i.e., concentration and effector functions) that correlate with protection and to provide insight into mechanistic CoPs. CoPs are assessed using data from breakthrough HIV-1 infections, including genetic sequences and sensitivities to VRC01-mediated neutralization and Fc effector functions. Conclusions: The AMP trials test whether VRC01 can prevent HIV-1 infection in two study populations. If affirmative, they will provide information for estimating the optimal dosage of VRC01 (or subsequent derivatives) and identify threshold levels of neutralization and Fc effector functions associated with high-level protection, setting a benchmark for future vaccine evaluation and constituting a bridge to other bnAb approaches for HIV-1 prevention. PMID- 29218120 TI - Characteristics and Correlates of Woman Eligible for Targeted Screening Mammography in Oman. AB - Objectives: We sought to determine the characteristics of women eligible for a high-yield screening mammography program in Oman. Methods: We conducted a retrospective review of women who underwent breast cancer screening at the Oman Cancer Association from 22 December 2009 to 6 February 2011. Women with a Breast Imaging Reporting and Data System (BI-RADS) score of 4-5 were compared with those with a score of 1-3 based on well-known breast cancer risk factors using the case control approach analysis. Results: A BI-RADS score of 4-5 was found in 16.2% of women screened for breast cancer. A higher likelihood of a BI-RADS score of 4 or 5 was observed among women who did not breastfeed (odds ratio (OR) = 2.564; 95% confidence interval (CI): 1.690, 3.890), had their first pregnancy at an older age (OR = 1.062; 95% CI: 1.041, 1.083), used oral contraceptives (OR = 1.397; 95% CI: 1.008, 1.938), and those who reported a positive family history of malignancies (OR = 1.633; 95% CI: 1.285, 2.076). A BI-RADS score of 4 or 5 was significantly less likely in women with a higher number of full-term pregnancies (OR = 0.919; 95% CI: 0.890, 0.948). BI-RADS 4-5 were independently predicted in women with a lower number of full-term pregnancies, did not breastfeed, used oral contraceptives, and who had a positive family history of malignancies. These variables explained 84.0% of the variation in mammogram results. Conclusions: In the absence of a national screening program for breast cancer, the high-risk approach for screening should be considered. Women with the above characteristics should be identified and motivated to seek mammogram regularly to warrant a better outcome. PMID- 29218121 TI - Characteristics of Chronic Pain Patients Attending a Primary Health Care Center in Oman. AB - Objectives: To determine the characteristics of patients presenting with chronic pain in a primary health care setting in Oman. Methods: A retrospective cross sectional study was carried out including all patients aged >= 18 years who attended Sultan Qaboos University Health Center during 2010. Patients were identified to have chronic pain if they were prescribed an analgesic medication for at least three months. Patients were compared to a control group which consisted of age- and gender-matched patients with no chronic pain. Results: Out of 6 609 patients, 241 (3.6%) were found to have chronic pain. The mean age of patients with chronic pain was 54.0+/-13.0 years. The majority of patients were female (n = 174; 72.1%), and most were Omani (n = 201; 83.4%). The prevalence of chronic pain was found to be significantly higher among females compared to males (4.5% vs. 2.5%; p < 0.001) and also among Omani nationals to non-nationals (83.4% vs. 70.1%; p < 0.001). Chronic pain was significantly associated with the following comorbidities; diabetes (33.1% vs. 20.7%; p < 0.001), obesity (35.2% vs. 26.5%; p = 0.001), and hypertension (51.0% vs. 38.5%; p = 0.002). Osteoarthritis was the most common pain condition (n = 104; 43.1%). Diclofenac was the most commonly prescribed drug (n = 168; 69.7%). Conclusions: The findings of our study point towards a higher prevalence of chronic pain in Omani females. These patients were also found to have a higher prevalence of other common comorbid conditions. PMID- 29218122 TI - Effect of Growth Hormone on Final Height in Children with Idiopathic Short Stature: A UAE, Eastern Region Experience. AB - Objectives: The use of growth hormone (GH) in idiopathic short stature (ISS) has been a subject of debate for the past two decades. We sought to assess the effect of GH on final height (FH) in patients with ISS in our region, which has a high consanguinity rate, and compare it to the effect observed in GH deficient (GHD) patients. Methods: We conducted a retrospective chart review from 1 January 2005 to 31 December 2013 for patients with ISS or GHD from the local United Arab Emirates population who received GH treatment and were followed-up regularly in our clinic. The change in height Z-score at 12 months and FH were assessed within each group and between the two groups. Results: Twenty-one patients with ISS and 29 patients with GHD were studied. There was a significant change in height Z score at 12 months and FH in both groups (p < 0.001). The improvement in the ISS group was comparable to the response seen in GHD patients at 12 months (0.5+/-0.3 standard deviation score (SDS), and 0.5+/-0.4 SDS, respectively; p = 0.540). The effect on FH was better in ISS group than the GHD group of all etiologies (1.3+/ 0.6 SDS vs. 0.9+/-0.7 SDS, respectively; p = 0.050), there was no difference between the ISS and the subgroup of idiopathic GHD (1.3+/-0.5 SDS and 1.2+/-0.8 SDS, respectively). Conclusions: In our local population, GH has a positive effect on the short-term growth and FH of children with ISS to the same extent that has been observed in children with idiopathic GH deficiency. PMID- 29218123 TI - Acceptability of Reminders for Immunization Appointments via Mobile Devices by Mothers in Ilorin, Nigeria: A Cross-sectional Study. AB - Objectives: Immunization coverage in Nigeria remains low despite the protection it confers. Reminders via mobile phones may be deployed as a means of improving vaccination coverage but requires the participation and cooperation of the caregiver. Therefore, we evaluated the acceptability of reminders for immunization appointment by mothers in Ilorin, Nigeria. Methods: This descriptive cross-sectional study recruited 526 mothers from two public hospitals in Ilorin. Semi-structured questionnaires were used to collect information on ownership and access to phones, willingness to receive reminders, household, antenatal, and delivery characteristics. Results: The majority (92.7%) of mothers had a personal phone, and all willingly provided contact details. Over half (69.0%) of mothers were willing to receive reminders. Postsecondary education (odds ratio (OR) = 1.958; 95% confidence interval (CI): 1.232-3.111) and antenatal care attendance by mothers (OR = 8.381; 95% CI: 2.495-28.170) were significant determinants of mothers willingness to receive reminders. Mothers with less than or equal to four children had a three-fold increased odds of wanting reminders. Artisan mothers were less likely to want reminders compared with unemployed mothers (OR = 0.506; 95% CI: 0.291-0.847). Conclusions: Most mothers are willing to receive reminders on immunization appointments via their mobile phone. Determinants of maternal willingness to receive reminders include mothers with less than four children, postsecondary education, and antenatal care attendance. Program planners should consider utilizing reminders as a strategy to increase the immunization uptake with access to contact details making this feasible. PMID- 29218124 TI - Expression of Toll-like Receptor 2 and 4 in Peripheral Blood Neutrophil Cells from Patients with Chronic Obstructive Pulmonary Disease. AB - Objectives: Chronic obstructive pulmonary disease (COPD) is one of the leading causes of morbidity and mortality around the world. Preliminary studies have evaluated the association between innate immunity including Toll-like receptors (TLRs) and airway samples of patients with COPD. The role of TLRs in peripheral blood neutrophils is poorly understood. Hence, this study aimed to investigate the role of TLR2 and TLR4 in peripheral blood neutrophils of COPD patients. Methods: A total of 101 COPD cases and an equal number of healthy controls participated in this case-control study. Peripheral blood neutrophils were isolated from all participants and cultured for 24 hours through lipopolysaccharide (LPS) stimulation. The gene expressions of TLR2 and TLR4 were assessed by real-time polymerase chain reaction. The protein levels of interleukin (IL)-8 and matrix metalloproteinase (MMP)-9 were measured in neutrophils cell culture supernatants using enzyme-linked immunosorbent assay (ELISA). Results: The levels of IL-8 and MMP-9 were significantly higher in patients with COPD compared to healthy controls. Similarly, the gene expression of TLR2 and TLR4 were increased in LPS stimulated peripheral blood neutrophils of patients with COPD. Smoke pack years was positively correlated with IL-8 levels and negatively correlated with forced expiratory volume in the first second % (r = -0.33; p = 0.023) and FEV1/forced vital capacity (FVC) (r = -0.27; p = 0.011). Conclusions: The increased expression of TLR2 and TLR4 suggests its role in disease pathogenesis of COPD. Smoke pack years was negatively associated with spirometric parameters in COPD patients. This may help to predict the smokers without COPD who risk developing the condition in the future. PMID- 29218125 TI - The Seroprevalence and Risk Factors of Toxoplasmosis Among Female Undergraduate University Students in Saudi Arabia. AB - Objectives: Toxoplasma gondii (T. gondii) is a serious public health issue, but limited data has been published to date on the seroprevalence of T. gondii infection in Saudi Arabia. Therefore, this study aimed to establish the seroprevalence and risk factors of T. gondii infection using a sample of females enrolled at a university in Northern Saudi Arabia. Methods: Using a cross sectional research approach, we recruited a convenience sample of 180 healthy females studying at the University of Tabuk between February and June 2016. We used a questionnaire to gather sociodemographic data on the participants to establish the risk factors leading to exposure to toxoplasma. Blood samples were taken from the participants and analyzed to detect T. gondii antibodies (immunoglobulin M and immunoglobulin G) via the enzyme-linked immunosorbent assay technique. Multivariate logistic regression modeling was employed to establish the potential predictor variables for T. gondii infection. Results: Of the 180 participants, 17 (9.4%) were seropositive for T. gondii IgG. None tested positive for IgM antibodies exclusively. The sole variable positively associated with seropositive T. gondii IgG was the participants' consumption of raw, unwashed fruit or vegetables (odds ratio = 3.36, 95% confidence interval: 1.11-10.22). Conclusions: Our findings emphasize the need for higher awareness of toxoplasmosis in Saudi Arabia, specifically knowledge of the way toxoplasma infection occurs so that women can more easily avoid it. Large-scale research is therefore required to inform the design of future public health interventions. PMID- 29218126 TI - A Pilot Study Comparing Hysteroscopic Adhesiolysis by Conventional Resectoscope Versus Mini-resectoscope. AB - Objectives: To compare the feasibility and efficacy of the mini-resectoscope with the conventional resectoscope in terms of the operative, menstrual, and reproductive outcome in hysteroscopic adhesiolysis in infertile women. Methods: We conducted a parallel prospective randomized study at All India Institute of Medical Sciences, New Delhi. A total of 60 patients underwent hysteroscopic adhesiolysis using either conventional resectoscope (n = 30) or mini-resectoscope (n = 30). The primary outcome measures were pregnancy-related indicators. Secondary outcome measures were the operative parameters (cervical dilatation time, operation time, postoperative pain scores, fluid deficit, and preoperative and postoperative sodium levels), second-look hysteroscopy findings, and improvement in the menstrual pattern after surgery. Results: Cervical dilatation time and pain score 30 minutes after the procedure were significantly lower in the mini-resectoscope group. Out of the total 21 cases with hypomenorrhea, 12 cases (57.1%) started having normal menstrual flow postsurgery. All amenorrheic patients resumed menstruation after surgery. However, nine cases continued to have hypomenorrhea. Over long-term follow-up, 16 patients out of 60 had conceived (seven in the conventional resectoscope group and nine in the mini-resectoscope group). There were three ongoing pregnancies, three abortions, one ectopic pregnancy, and nine term pregnancies. The difference between the two groups was not statistically significant. Conclusions: The use of mini-resectoscope for hysteroscopic adhesiolysis is associated with reduced operative morbidity. Use of the mini-resectoscope is an effective and safe alternative to the conventional system. PMID- 29218127 TI - The Effect of Group Discussion-based Education on Self-management of Adults with Type 2 Diabetes Mellitus Compared with Usual Care: A Randomized Control Trial. AB - Objectives: We sought to determine the effect of group discussion-based education on the self-management capability of patients with type 2 diabetes in Iran. Methods: This randomized control trial was conducted on 90 patients with type 2 diabetes. Participants were allocated randomly into one of two groups; intervention and control. The intervention group received the group discussion based education while the control group received routine care only. The Lin's self-management questionnaire was completed at baseline and three months post intervention. Results: Statistical analysis, including the use of independent t test, identified that in comparison to the control group, significant increases were observed in the scores of self-organization (t =11.24, p < 0.001), self adjustment (t = 7.53, p < 0.001), interaction with health experts (t = 7.31, p < 0.001), blood sugar self-monitoring (t = 6.42, p < 0.001), adherence to the proposed diet (t = 5.22, p < 0.001), and total self-management (t = 10.82, p < 0.001) in the intervention group. Conclusions: Sharing experiences through group discussions and receiving instructive feedback can improve the ability to self manage diabetes. PMID- 29218128 TI - Neurobrucellosis Presenting as Pseudotumor Cerebri: First Report from Oman. AB - A ten-year-old boy presented to the hospital with body ache and joint pains for two months and headache, vomiting, and skin rash for three days. He was drowsy and lethargic at admission. Physical examination revealed bilateral papilledema. There were no cranial nerve involvement, neuromotor deficit, or signs of meningeal irritation. Computed tomography and magnetic resonance imaging of the brain did not reveal any evidence of cerebral edema or space occupying lesion. In view of the high endemicity of brucellosis in the area, Brucella agglutination test (BAT) was done at the time of admission and was negative. However, on the eighth day of admission, blood culture showed growth of Brucella melitensis. A repeat BAT at this time was strongly positive with a titer of 1:1 280. The initial one was negative due to prozone phenomenon caused by very high antibody titers. A diagnosis of neurobrucellosis with pseudotumor cerebri was made. He was treated with gentamicin, rifampicin, and septrin along with acetazolamide for raised intracranial pressure. The boy responded well to therapy and made a complete clinical recovery with resolution of papilledema. In areas endemic for brucellosis, a high index of suspicion for neurobrucellosis should be entertained in any child presenting with diverse neurological signs. PMID- 29218129 TI - Pubic Symphysis Diastasis: A Case Series and Literature Review. AB - Separation of pubic symphysis during delivery is a rare complication resulting in considerable and prolonged morbidity for parturient women. The usual presentation is that of something giving way in the region of the symphysis pubis sometimes with an audible crack at the time of delivery. Unbearable pain on moving from side-to-side and on performing any weight-bearing activity (such as walking or climbing stairs) precludes ambulation in the immediate postpartum period. This could be accompanied by disruption of the sacroiliac joint, hemorrhage, or urine incontinence in severe cases. Radiography, ultrasound, and magnetic resonance imaging are the diagnostic modalities that aid confirmation of diagnosis. The magnitude of separation does not correlate well with the severity of symptoms. Treatment modalities range from conservative management (including analgesics, pelvic binders, transcutaneous nerve stimulation) and chiropractic management to orthopedic interventions such as external fixation or open reduction and internal fixation. Since postpartum pain is frequently dismissed as attributable to labor and childbirth, the diagnosis of pubic symphysis diastasis is often delayed and sometimes missed altogether. Since there is no consensus in the scientific literature on the definition, etiopathogenesis, and management of this rare complication, we attempted to review the literature on the subject and present a series of two cases. PMID- 29218130 TI - Neonatal Stridor in Familial Congenital Laryngeal Paralysis (Plott Syndrome): ?A Case Study in an Omani Family. AB - Stridor presenting soon after birth due to bilateral abductor vocal cord paralysis (VCP) is rare. We report a family with bilateral VCP affecting four male members in two generations and hence suggesting X-linked recessive inheritance. Severe stridor in the neonatal period requires meticulous airway evaluation, and tracheostomy in 35-70% cases. The current trend is towards conservative management and tracheostomy is avoided unless respiratory distress is severe or life-threatening. Neonatal VCP can be an isolated finding, or it can be familial with or without syndromic features. There are very few reports of non syndromic familial cases. Unlike the cases reported previously, none of our patients required prolonged intubation or tracheostomy suggesting an excellent prognosis in such cases. This is the first case study of congenital familial non syndromic VCP reported from the Middle East. PMID- 29218131 TI - Hypocalcemia Associated with Subcutaneous Fat Necrosis of the Newborn: Case Report and Literature Review. AB - Subcutaneous fat necrosis of the newborn (SCFNN) is a rare benign inflammatory disorder of the adipose tissue but may be complicated by hypercalcemia or less frequently, hypocalcemia, resulting in morbidity and mortality. Here we report the case of a neonate with subcutaneous fat necrosis who surprisingly developed hypocalcemia instead of hypercalcemia. A full-term female neonate was delivered by emergency cesarean section for fetal distress and was subsequently admitted to the Special Care Baby Unit. The mother's pregnancy was uncomplicated up to delivery. Her anthropometric measurements were birth weight 4.1 kg (95th percentile), length 50 cm (50th percentile), and head circumference 34.5 cm (50th percentile). The Apgar scores were 2, 3, and 8 at 1, 5, 10 minutes, respectively. There was no abnormal facies and she was fed with breast milk only. On the seventh day of life, the infant was found to have multiple nodules located in the neck, upper back, and right arm. The nodules were firm, well circumscribed with no evidence of tenderness. Her total serum calcium level was 1.55 mmol/L (normal range 2.2 to 2.7 mmol/L) and this was associated with hypotonia and poor sucking reflex. The packed cell volume was 40%. The serum albumin and blood glucose levels were normal. Her blood culture was sterile. A clinical diagnosis of hypocalcemia associated with SCFNN was made. The infant was treated for hypocalcemia (using calcium gluconate) and was carefully followed-up. The skin lesions resolved completely three months after their eruption. Repeat serum calcium measurements at three, six, and nine months of age were all within normal limits. Although SCFNN is a rare benign clinical condition, it may be complicated by hypocalcemia. Therefore, periodic measurements of the serum calcium levels is warranted in such a patient, beginning from the neonatal period up to the age of six months. PMID- 29218132 TI - Portal Vein Thrombosis in Adult Omani Patients: A Retrospective Cohort Study. AB - OBJECTIVES: We sought to study the occurrence of portal vein thrombosis (PVT) in adult Omani patients. Methods: We conducted a retrospective cross-sectional study in patients diagnosed with PVT, which was confirmed by radiological imaging, from two tertiary hospitals over a 10-year period. Results: Amongst the 39 patients enrolled in the study, 15 (38.4%) had cirrhosis of the liver, and 24 (61.5%) were non-cirrhotic. In the non-cirrhotic PVT patients, 15 (62.5%) had acute PVT, whereas nine (37.5%) had chronic PVT. PVT was more common in males than females, (25 (64.1%) vs. 14 (35.8%), respectively, p = 0.020). The three most common clinical symptoms were abdominal pain (n = 25, 64.1%) followed by nausea (n = 12, 30.7%) and fever (n = 8, 20.5%) patients. Causative risk factors included prothrombotic states (17.9-28.2%) and local factors (20.5%) such as cholecystitis, cholangitis, and liver abscess. Complications were found in 23.0% of patients with PVT, namely variceal bleeding in seven patients (17.9%) patients and bowel ischemia in two patients (5.1%). Management with sclerotherapy was performed in all patients with variceal bleeding. Thrombectomy was done for one patient complicated with intestinal ischemia, but as it failed, he was treated with warfarin anticoagulation. CONCLUSIONS: This is the first study reflecting a real-life practice in PVT with possibly underlying inherited and acquired prothrombotic conditions as well as complications due to local and malignant conditions from Oman. We studied the prevalence, clinical presentation, underlying possible etiological factors, treatment, and outcomes. Since causative factors were found in 36 patients (92.3%), etiological screening seems worthwhile in every case with PVT, but thrombophilia screening may not be cost-effective. PMID- 29218133 TI - A Woman with Abdominal Pain, Vomiting and "Air Under Diaphragm". PMID- 29218134 TI - Antibiotic Resistance: A Real Menace. PMID- 29218135 TI - Langerhans cell sarcoma of the skin in association with superficial atypical Langerhans cell proliferation. PMID- 29218136 TI - Assessing the impact of a waiting time survey on reducing waiting times in urban primary care clinics in Cape Town, South Africa. AB - A waiting time survey (WTS) conducted in several clinics in Cape Town, South Africa provided recommendations on how to shorten waiting times (WT). A follow-up study was conducted to assess whether WT had reduced. Using a stratified sample of 22 clinics, a before and after study design assessed changes in WT. The WT was measured and perceptions of clinic managers were elicited, about the previous survey's recommendations. The overall median WT decreased by 21 minutes (95%CI: 11.77-30.23), a 28% decrease from the previous WTS. Although no specific factor was associated with decreases in WT, implementation of recommendations to reduce WT was 2.67 times (95%CI: 1.33-5.40) more likely amongst those who received written recommendations and 2.3 times (95%CI: 1.28-4.19) more likely amongst managers with 5 or more years' experience. The decrease in WT found demonstrates the utility of a WTS in busy urban clinics in developing country contexts. Experienced facility managers who timeously receive customised reports of their clinic's performance are more likely to implement changes that positively impact on reducing WT. PMID- 29218137 TI - Low temperature limits for root growth in alpine species are set by cell differentiation. AB - Plant growth in cold climates is not limited by carbon assimilation (source activity) but rather by reduced carbon investment into new tissues (sink limitation). It has been hypothesized that all cold-adapted plants face similar growth constraints at low temperature mainly associated with the formation of new tissues. To explore the thermal limitation of plant tissue formation, we studied root growth and anatomical root tissue characteristics in four cold-adapted alpine species (Ranunculus glacialis, Rumex alpinus, Tussilago farfara, Poa alpina), grown in thermostated soils with a vertical temperature gradient approaching 1 degrees C. Above-ground plant organs were exposed to typical alpine climate conditions (high solar radiation and cool nights) at 2440 m a.s.l. in the Swiss Alps to assure continuous source activity. Image-based measurements of root growth (root elongation rates at 12-h intervals, RERs) were combined with anatomical examinations in thermally constrained root tips as well as with a functional growth analysis of entire plants. Temperatures in the range 0.8 to 1.4 degrees C were denoted as critically low temperature thresholds for root formation across the four species. The RERs per 12 h revealed that roots kept extending at low rates at 0.7-1.2 degrees C but cell elongation and xylem lignification were clearly inhibited in the terminal zones of root tips. Roots exposed to temperatures between 1 and 5 degrees C showed strongly reduced elongation rates so that these roots contributed very little to the entire root system compared to control roots grown at 10 degrees C. Hardly any secondary roots were formed at temperatures below 5 degrees C and total root mass was substantially lower (74 % reduction in comparison to control), also the above ground biomass was reduced by 23 %. Cell elongation and differentiation rather than cell division control length and shape of root cells at the low temperature limit of growth. Lignification of root xylem is clearly constrained at temperatures below 3 degrees C. PMID- 29218138 TI - Conspecific plants are better 'nurses' than rocks: consistent results revealing intraspecific facilitation as a process that promotes establishment in a hyper arid environment. AB - Harsh environmental conditions in arid ecosystems limit seedling recruitment to microhabitats under nurse structures, such as shrubs or rocks. These structures, however, do not necessarily afford the same benefits to plants because nurse rocks provide only physical nurse effects, whereas nurse plants can provide both physical and biological nurse effects. Nevertheless, if the nurse plant is a conspecific, the benefits it provides may be outweighed by higher mortality due to negative density-dependent processes; consequently, negative density dependence is expected to limit plants from acting as nurses to their own seedlings. The degree to which an abiotic nurse may be more beneficial than a conspecific one remains largely unexplored. Here, we examine the role and elucidate the mechanisms by which conspecific plants and rocks promote plant establishment in a hyper-arid desert. For 4 years, we examined establishment patterns of Myrcianthes coquimbensis (Myrtaceae), a threatened desert shrub that recruits solely in rock cavities and under conspecific shrubs. Specifically, we characterized these microhabitats, as well as open interspaces for comparison, and conducted germination, seed removal and seedling survival experiments. Our results revealed that conspecific shrubs and nurse rocks modified environmental conditions in similar ways; soil and air temperatures were lower, and water availability was higher than in open interspaces. We found no evidence on negative density-dependent recruitment: seed removal was lowest and seedling emergence highest under conspecific plants, moreover seedling survival probabilities were similar in rock cavities and under conspecific plants. We conclude that the probability of establishment was highest under conspecific plants than in other microhabitats, contrasting what is expected under the Janzen Connell recruitment model. We suggest that for species living in stressful environments, population regulation may be a function of positive density dependence and intraspecific facilitation may be a process that promotes the persistence of some plant species within a community. PMID- 29218139 TI - Herbivory by leaf-cutter ants changes the glandular trichomes density and the volatile components in an aromatic plant model. AB - Herbivory can induce several structural and functional alterations in the plant secretory system. Glandular trichomes are the main sites of production of volatile organic compounds (VOCs) with several chemical properties in Lamiaceae species. Ocimum species usually have three morphotypes of glandular trichomes (morphotype I is peltate and has a wide four-celled head; morphotype II is capitate and has a unicellular head; and morphotype III is capitate with a bicellular head) which produce a great amount of terpenes, although other chemical categories of substances are also produced. Despite the abundance of trichomes producing important anti-herbivory components in their leaves, the association between Ocimum species and leaf-cutter ants has been commonly registered in Brazil. We investigated the effect of leaf-cutter ant attack on the density of the glandular trichomes and on the chemistry of the VOCs released from leaves of O. gratissimum. Plants were subjected to Acromyrmex rugosus attack until 90 % of leaves were removed. After 40 days from the leaf-cutter attack, both treatments were sampled. The glandular trichome density was analysed by scanning electron microscopy. The VOCs were extracted utilizing headspace solid phase microextraction (HS-SPME) technique and analysed by gas chromatography. Generally, the density of glandular trichomes increased in the adaxial leaf surface of the attacked plants. However, we bring novelties on this topic since we analysed the density of each morphotype separately. The morphotype I decreased in the abaxial leaf surface, and increased in the adaxial leaf surface; the morphotype II increased in both leaf surfaces; and the morphotype III decreased in the abaxial leaf surface and remained constant in the adaxial leaf surface of attacked plants. In leaves of attacked plants, the (Z)-beta-ocimene increased by 50 %, the alpha-selinene by 13 % and the germacrene D by 126 %, whereas the eugenol decreased by 70 %. Our data point to a differential response of each glandular morphotype in O. gratissimum and are consistent with the idea of a compartmentalization of functions among the different glandular morphotypes in the plant defence against environmental factors. PMID- 29218140 TI - Effects of white-tailed deer and invasive plants on the herb layer of suburban forests. AB - Lack of hunting and predators and proximity to human communities make suburban forests prone to high deer abundance and non-native plant invasions. I investigated these likely drivers of community structure in the herb layers of six suburban forests in one region of New Jersey, USA. In 223 plots I assessed the herb layer response to 2.5 years with or without deer fencing and the early stage of invasion from seed additions of Microstegium vimineum, an invasive, annual grass. Non-native plants and herbaceous native plants were affected very little by fencing or M. vimineum invasion. In contrast, across all forests the combination of deer access and M. vimineum addition had a strongly negative effect on woody native percent cover. Forests differed in overall fencing effects on woody natives; their cover was greater in fenced plots in just three forests, suggesting greater deer pressure in those forests during the experiment. The early invasion by M. vimineum was greatest in two of these same forests, but was not influenced by fencing. Multi-group structural equation modelling compared two groups of forests that differed in vegetation abundance and other characteristics. It paralleled the results above and also showed no negative influence of non-native cover on native cover, even in the forests where non native cover was greater. It identified a positive effect of light level on herb layer plants in the forests with less vegetation, and also revealed a positive effect of soil water potential (SWP) on non-native plants in the forests with more vegetation, which had higher SWP. These suburban forests within a common region varied widely in native and non-native herb layer abundance, the early success of M. vimineum invasion and the herb layer's response to early invasion and protection from deer. PMID- 29218141 TI - Enantioselective installation of adjacent tertiary benzylic stereocentres using lithiation-borylation-protodeboronation methodology. Application to the synthesis of bifluranol and fluorohexestrol. AB - 1,2-Diaryl ethanes bearing 1,2-stereogenic centres show interesting biological activity but their stereocontrolled synthesis has not been reported forcing a reliance of methods involving diastereomer and enantiomer separation. We have found that this class of molecules can be prepared with very high stereocontrol using lithiation-borylation methodology. The reaction of an enantioenriched benzylic lithiated carbamate with an enantioenriched benzylic secondary pinacol boronic ester gave a tertiary boronic ester with complete diastereo- and enantiocontrol. It was essential to use MgBr2/MeOH after formation of the boronate complex, both to promote the 1,2-migration and to trap any lithiated carbamate/benzylic anion that formed from fragmentation of the ate complex, anions that would otherwise racemise and re-form the boronate complex eroding both er and dr of the product. When the benzylic lithiated carbamate and benzylic secondary pinacol boronic ester were too hindered, boronate complex did not even form. In these cases, it was found that the use of the less hindered neopentyl boronic esters enabled successful homologation to take place even for the most hindered reaction partners, with high stereocontrol and without the need for additives. Protodeboronation of the product boronic esters with TBAF gave the target 1,2-diaryl ethanes bearing 1,2-stereogenic centres. The methodology was applied to the stereocontrolled synthesis of bifluranol and fluorohexestrol in just 7 and 5 steps, respectively. PMID- 29218142 TI - Bodipy-C60 triple hydrogen bonding assemblies as heavy atom-free triplet photosensitizers: preparation and study of the singlet/triplet energy transfer. AB - Supramolecular triplet photosensitizers based on hydrogen bonding-mediated molecular assemblies were prepared. Three thymine-containing visible light harvesting Bodipy derivatives (B-1, B-2 and B-3, which show absorption at 505 nm, 630 nm and 593 nm, respectively) were used as H-bonding modules, and 1,6 diaminopyridine-appended C60 was used as the complementary hydrogen bonding module (C-1), in which the C60 part acts as a spin converter for triplet formation. Visible light-harvesting antennae with methylated thymine were prepared as references (B-1-Me, B-2-Me and B-3-Me), which are unable to form strong H-bonds with C-1. Triple H-bonds are formed between each Bodipy antenna (B 1, B-2 and B-3) and the C60 module (C-1). The photophysical properties of the H bonding assemblies and the reference non-hydrogen bond-forming mixtures were studied using steady state UV/vis absorption spectroscopy, fluorescence emission spectroscopy, electrochemical characterization, and nanosecond transient absorption spectroscopy. Singlet energy transfer from the Bodipy antenna to the C60 module was confirmed by fluorescence quenching studies. The intersystem crossing of the latter produced the triplet excited state. The nanosecond transient absorption spectroscopy showed that the triplet state is either localized on the C60 module (for assembly B-1.C-1), or on the styryl-Bodipy antenna (for assemblies B-2.C-1 and B-3.C-1). Intra-assembly forward-backward (ping-pong) singlet/triplet energy transfer was proposed. In contrast to the H bonding assemblies, slow triplet energy transfer was observed for the non hydrogen bonding mixtures. As a proof of concept, these supramolecular assemblies were used as triplet photosensitizers for triplet-triplet annihilation upconversion. PMID- 29218143 TI - Soft hydrogen bonds to alkenes: the methanol-ethene prototype under experimental and theoretical scrutiny. AB - An FTIR spectroscopic study of the elusive hydrogen-bonded methanol-ethene complex, the most elementary example for weak intermolecular alcohol hydrogen bonding to a pi cloud, is presented. By isolating the complex in a supersonic jet, the rigorous comparability to high-level quantum chemical calculations is ensured. In stark contrast to classical hydrogen bonds, experimental overtone analysis reveals the harmonic oscillator approximation for the OH red shift to be accurate. Harmonic calculations up to explicitly correlated local coupled-cluster level are thus found to agree very well with experiment. The experimental OH values for the red shift (45 cm-1), the small change in diagonal anharmonicity ( 3 cm-1) and the overtone intensity attenuation (2 * 102-fold) together with theoretical predictions for the preferred structural arrangement and the zero point-corrected dissociation energy (8 kJ mol-1) may thus be regarded as definitive reference values for related systems and for more approximate computational methods. In particular, MP2 calculations are shown to fail for this kind of weak intermolecular interaction. PMID- 29218144 TI - Counterion influence on the N-I-N halogen bond. AB - A detailed investigation of the influence of counterions on the [N-I-N]+ halogen bond in solution, in the solid state and in silico is presented. Translational diffusion coefficients indicate close attachment of counterions to the cationic, three-center halogen bond in dichloromethane solution. Isotopic perturbation of equilibrium NMR studies performed on isotopologue mixtures of regioselectively deuterated and nondeuterated analogues of the model system showed that the counterion is incapable of altering the symmetry of the [N-I-N]+ halogen bond. This symmetry remains even in the presence of an unfavorable geometric restraint. A high preference for the symmetric geometry was found also in the solid state by single crystal X-ray crystallography. Molecular systems encompassing weakly coordinating counterions behave similarly to the corresponding silver(i) centered coordination complexes. In contrast, systems possessing moderately or strongly coordinating anions show a distinctly different behavior. Such silver(i) complexes are converted into multi-coordinate geometries with strong Ag-O bonds, whereas the iodine centered systems remain linear and lack direct charge transfer interaction with the counterion, as verified by 15N NMR and DFT computation. This suggests that the [N-I-N]+ halogen bond may not be satisfactorily described in terms of a pure coordination bond typical of transition metal complexes, but as a secondary bond with a substantial charge-transfer character. PMID- 29218145 TI - Chemical speciation of MeHg+ and Hg2+ in aqueous solution and HEK cells nuclei by means of DNA interacting fluorogenic probes. AB - Selected new fluorogenic probes that interact in different ways with Hg2+ and MeHg+ have been prepared and used for the chemical speciation of both cations in aqueous solution as well as in HEK293 cells. The best selective speciation of Hg2+ and MeHg+ has been achieved by in vitro approaches based on fluorogenic probes supported in cultured cells, due to the particular sensitivity of the HEK293 cells to permeation by Hg2+, MeHg+ and the fluorogenic probes. In particular, MeHg+ was selectively detected in cell nuclei by probe JG45. PMID- 29218146 TI - Micro-competition system for Raman quantification of multiple glycans on intact cell surface. AB - A micro-competition system is designed for simultaneous quantification of multiple glycans on intact cell surfaces, by integrating two-surface-one-molecule competition with surface enhanced Raman scattering (SERS). The micro-competition is achieved among multiple-polysaccharide-coated gold nanostars functionalized silica bubbles, target cells and gold nanoprobes at a micron scale. The gold nanoprobes are prepared by coating distinct Raman molecules and lectins on gold nanoparticles for signal resolution and glycan recognition, respectively. The silica bubble surface serves as an artificial glycan surface and a SERS substrate. Upon the competitive recognition of lectin to the corresponding glycan, the gold nanoprobes can be specifically captured by the bubbles and cells in a homogeneous system, and the amounts of different gold nanoprobes on bubbles are simultaneously detected by SERS to reflect the corresponding glycan amounts on the cell surface. This micro-competition system with multiple quantification capability provides a powerful tool for investigation of the complex glycan related biological processes. PMID- 29218147 TI - Supramolecularly engineered phospholipids constructed by nucleobase molecular recognition: upgraded generation of phospholipids for drug delivery. AB - Despite of great advances of phospholipids and liposomes in clinical therapy, very limited success has been achieved in the preparation of smart phospholipids and controlled-release liposomes for in vivo drug delivery and clinical trials. Here we report a supramolecular approach to synthesize novel supramolecularly engineered phospholipids based on complementary hydrogen bonding of nucleosides, which greatly reduces the need of tedious chemical synthesis, including reducing the strict requirements for multistep chemical reactions, and the purification of the intermediates and the amount of waste generated relative more traditional approaches. These upgraded phospholipids self-assemble into liposome-like bilayer structures in aqueous solution, exhibiting fast stimuli-responsive ability due to the hydrogen bonding connection. In vitro and in vivo evaluations show the resulted supramolecular liposomes from nucleoside phospholipids could effectively transport drug into tumor tissue, rapidly enter tumor cells, and controllably release their payload in response to an intracellular acidic environment, thus resulting in a much higher antitumor activity than conventional liposomes. The present supramolecularly engineered phospholipids represent an important evolution in comparison to conventional covalent-bonded phospholipid systems. PMID- 29218148 TI - Systematic re-evaluation of the bis(2-hydroxyethyl)disulfide (HEDS) assay reveals an alternative mechanism and activity of glutaredoxins. AB - The reduction of bis(2-hydroxyethyl)disulfide (HEDS) by reduced glutathione (GSH) is the most commonly used assay to analyze the presence and properties of enzymatically active glutaredoxins (Grx), a family of central redox proteins in eukaryotes and glutathione-utilizing prokaryotes. Enzymatically active Grx usually prefer glutathionylated disulfide substrates. These are converted via a ping-pong mechanism. Sequential kinetic patterns for the HEDS assay have therefore been puzzling since 1991. Here we established a novel assay and used the model enzyme ScGrx7 from yeast and PfGrx from Plasmodium falciparum to test several possible causes for the sequential kinetics such as pre-enzymatic GSH depletion, simultaneous binding of a glutathionylated substrate and GSH, as well as substrate or product inhibition. Furthermore, we analyzed the non-enzymatic reaction between HEDS and GSH by HPLC and mass spectrometry suggesting that such a reaction is too slow to explain high Grx activities in the assay. The most plausible interpretation of our results is a direct Grx-catalyzed reduction of HEDS. Physiological implications of this alternative mechanism and of the Grx catalyzed reduction of non-glutathione disulfide substrates are discussed. PMID- 29218149 TI - Highly efficient near ultraviolet organic light-emitting diode based on a meta linked donor-acceptor molecule. AB - A novel near ultraviolet (NUV) emitter with a meta-linked donor-acceptor (D-A) structure between triphenylamine (TPA) and phenanthroimidazole (PPI), mTPA-PPI, was designed and synthesized. This molecular design is expected to resolve the conflict between the non-red-shifted emission and the introduction of a charge transfer (CT) state in the D-A system, aiming at NUV organic light-emitting diodes (OLEDs) with high-efficiency and colour-purity. Theoretical calculations and photophysical experiments were implemented to verify the unique excited state properties of mTPA-PPI. The mTPA-PPI device exhibited excellent NUV electroluminescence (EL) performance with an emission peak at 404 nm, a full width at half maximum (FWHM) of only 47 nm corresponding to a CIE coordinate of (0.161, 0.049), and a maximum external quantum efficiency (EQE) of 3.33%, which is among the best results for NUV OLEDs. This work not only demonstrates the promising potential of mTPA-PPI in NUV OLEDs, but also provides a valuable strategy for the rational design of NUV materials by using the meta-linked D-A architecture. PMID- 29218150 TI - Ammonia decomposition catalysis using non-stoichiometric lithium imide. AB - We demonstrate that non-stoichiometric lithium imide is a highly active catalyst for the production of high-purity hydrogen from ammonia, with superior ammonia decomposition activity to a number of other catalyst materials. Neutron powder diffraction measurements reveal that the catalyst deviates from pure imide stoichiometry under ammonia flow, with active catalytic behaviour observed across a range of stoichiometry values near the imide. These measurements also show that hydrogen from the ammonia is exchanged with, and incorporated into, the bulk catalyst material, in a significant departure from existing ammonia decomposition catalysts. The efficacy of the lithium imide-amide system not only represents a more promising catalyst system, but also broadens the range of candidates for amide-based ammonia decomposition to include those that form imides. PMID- 29218151 TI - Assembly line termination in cylindrocyclophane biosynthesis: discovery of an editing type II thioesterase domain in a type I polyketide synthase. AB - The termination step is an important source of structural diversity in polyketide biosynthesis. Most type I polyketide synthase (PKS) assembly lines are terminated by a thioesterase (TE) domain located at the C-terminus of the final module, while other PKS assembly lines lack a terminal TE domain and are instead terminated by a separate enzyme in trans. In cylindrocyclophane biosynthesis, the type I modular PKS assembly line is terminated by a freestanding type III PKS (CylI). Unexpectedly, the final module of the type I PKS (CylH) also possesses a C-terminal TE domain. Unlike typical type I PKSs, the CylH TE domain does not influence assembly line termination by CylI in vitro. Instead, this domain phylogenetically resembles a type II TE and possesses activity consistent with an editing function. This finding may shed light on the evolution of unusual PKS termination logic. In addition, the presence of related type II TE domains in many cryptic type I PKS and nonribosomal peptide synthetase (NRPS) assembly lines has implications for pathway annotation, product prediction, and engineering. PMID- 29218152 TI - Luminescent platinum(ii) complexes with self-assembly and anti-cancer properties: hydrogel, pH dependent emission color and sustained-release properties under physiological conditions. AB - Supramolecular interactions are of paramount importance in biology and chemistry, and can be used to develop new vehicles for drug delivery. Recently, there is a surge of interest on self-assembled functional supramolecular structures driven by intermolecular metal-metal interactions in cellular conditions. Herein we report a series of luminescent Pt(ii) complexes [Pt(C^N^Npyr)(C 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 NR)]+ [HC^N^Npyr = 2-phenyl-6-(1H-pyrazol-3-yl)-pyridine)] containing pincer type ligands having pyrazole moieties. These Pt(ii) complexes exert potent cytotoxicity to a panel of cancer cell lines including primary bladder cancer cells and display strong phosphorescence that is highly sensitive to the local environment. The self-assembly of these complexes is significantly affected by pH of the solution medium. Based on TEM, SEM, ESI-MS, absorption and emission spectroscopy, and fluorescence microscopy together with cell based assays, [Pt(C^N^Npyr)(C 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 NR)]+ complexes were observed to self-assemble into orange phosphorescent polymeric aggregates driven by intermolecular Pt(ii) Pt(ii) and ligand-ligand interactions in a low-pH physiological medium. Importantly, the intracellular assembly and dis-assembly of [Pt(C^N^Npyr)(C 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 NR)]+ are accompanied by change of emission color from orange to green. These [Pt(C^N^Npyr)(C 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 NR)]+ complexes accumulated in the lysosomes of cancer cells, increased the lysosomal membrane permeability and induced cell death. One of these platinum(ii) complexes formed hydrogels which displayed pH responsive and sustained release properties, leading to low-pH-stimulated and time-dependent cytotoxicity towards cancer cells. These hydrogels can function as vehicles to deliver anti-cancer agent cargo, such as the bioactive natural products studied in this work. PMID- 29218153 TI - Cytotoxicity of guanine-based degradation products contributes to the antiproliferative activity of guanine-rich oligonucleotides. AB - Guanine-rich oligonucleotides (GROs) have attracted considerable attention as anticancer agents, because they exhibit cancer-selective antiproliferative activity and can form G-quadruplex structures with higher nuclease resistance and cellular uptake. Recently, a GRO, AS1411 has reached phase II clinical trials for acute myeloid leukemia and renal cell carcinoma. The antiproliferative activity of GROs has been associated with various protein targets; however the real mechanisms of action remain unclear. In this study, we showed evidence that antiproliferative activity of GROs (including AS1411) is mainly contributed by the cytotoxicity of their guanine-based degradation products, such as monophosphate deoxyguanosine (dGMP), deoxyguanosine (dG) and guanine. The GROs with lower nuclease resistance exhibited higher antiproliferative activity. Among nucleotides, nucleosides and nucleobases, only guanine-based compounds showed highly concentration-dependent cytotoxicity. Our results suggest that it is necessary to reconsider the cancer-selective antiproliferative activity of GROs. Since guanine-based compounds are endogenous substances in living organisms, systematic studies of the cytotoxicity of these compounds will provide new information for the understanding of certain diseases and offer useful information for drug design. PMID- 29218154 TI - A two-dimensional molecular beacon for mRNA-activated intelligent cancer theranostics. AB - Ideal theranostics should possess directly correlated imaging and therapy modalities that could be simultaneously activated in the disease site to generate high imaging contrast and therapeutic efficacy with minimal side effects. However, so far it still remains challenging to engineer all these characteristics into a single theranostic probe. Herein, we report a new type of photosensitizer (PS)-derived "two-dimensional" molecular beacon (TMB) that could be specifically activated within tumor cells to exhibit both high imaging contrast and therapeutic efficacy that outperforms conventional photosensitizers for cancer theranostics. The TMB is constructed by integrating a photosensitizer (chlorin e6 (Ce6)), a quantum dot (QD), and a dark quencher (BHQ3) into a hairpin DNA molecule to generate multiple synergistic FRET modes. The imaging modality and therapy modality, which are mediated by FRET between the QD and BHQ3 and FRET between the QD and Ce6 respectively, are interconnected within the TMB and could be simultaneously activated by tumor mRNA molecules. We show that highly effective cancer imaging and therapy could be achieved for cancer cell lines and xenografted tumor models. The reported TMB represents an unprecedented theranostic platform for intelligent cancer theranostics. PMID- 29218155 TI - Insights on spin polarization through the spin density source function. AB - Understanding how spin information is transmitted from paramagnetic to non magnetic centers is crucial in advanced materials research and calls for novel interpretive tools. Herein, we show that the spin density at a point may be seen as determined by a local source function for such density, operating at all other points of space. Integration of the local source over Bader's quantum atoms measures their contribution in determining the spin polarization at any system's location. Each contribution may be then conveniently decomposed in a magnetic term due to the magnetic natural orbital(s) density and in a reaction or relaxation term due to the remaining orbitals density. A simple test case, 3B1 water, is chosen to exemplify whether an atom or group of atoms concur or oppose the paramagnetic center in determining a given local spin polarization. Discriminating magnetic from reaction or relaxation contributions to such behaviour strongly enhances chemical insight, though care needs to be paid to the large sensitivity of the latter contributions to the level of the computational approach and to the difficulty of singling out the magnetic orbitals in the case of highly correlated systems. Comparison of source function atomic contributions to the spin density with those reconstructing the electron density at a system's position, enlightens how the mechanisms which determine the two densities may in general differ and how diverse may be the role played by each system's atom in determining each of the two densities. These mechanisms reflect the quite diverse portraits of the electron density and electron spin density Laplacians, hence the different local concentration/dilution of the total and (alpha-beta) electron densities throughout the system. Being defined in terms of an observable, the source function for the spin density is also potentially amenable to experimental determination, as customarily performed for its electron density analogue. PMID- 29218156 TI - Dual wavelength asymmetric photochemical synthesis with circularly polarized light. AB - Asymmetric photochemical synthesis using circularly polarized (CP) light is theoretically attractive as a means of absolute asymmetric synthesis and postulated as an explanation for homochirality on Earth. Using an asymmetric photochemical synthesis of a dihydrohelicene as an example, we demonstrate the principle that two wavelengths of CP light can be used to control separate reactions. In doing so, a photostationary state (PSS) is set up in such a way that the enantiomeric induction intrinsic to each step can combine additively, significantly increasing the asymmetric induction possible in these reactions. Moreover, we show that the effects of this dual wavelength approach can be accurately determined by kinetic modelling of the PSS. Finally, by coupling a PSS to a thermal reaction to trap the photoproduct, we demonstrate that higher enantioselectivity can be achieved than that obtainable with single wavelength irradiation, without compromising the yield of the final product. PMID- 29218157 TI - Tailoring of the desired selectivity and the turn-on detection range in a self assembly-based fluorescence sensory system. AB - This study demonstrates how to control the selectivity and the turn-on detection range toward the tailoring of an assembly-based fluorescence (FL) sensory system. Assembly-based FL chemosensors composed of oligophenylenevinylene with a varied number of guanidinium receptors (G2, G4 and G6) were newly developed, and their FL response to nucleotides (AMP, ADP and ATP) was investigated. Indeed, G6 exhibited FL emission via self-assembly with ATP. More importantly, the FL response of G6 showed markedly improved selectivity for ATP over ADP and a broadly extended detection range of ATP concentration under adjusted salt conditions. The salt effect on the FL response revealed the competitive binding interactions affecting the subsequent self-assembly process. These studies have unveiled the pivotal binding mechanisms operating in the self-assembly process, which tailor the performance level of the assembly-based sensory system. We believe that this study offers a new design principle of an assembly-based FL chemosensor with high selectivity and the appropriate detection range, being different from the conventional key-and-lock system. PMID- 29218158 TI - How to determine accurate chemical ordering in several nanometer large bimetallic crystallites from electronic structure calculations. AB - Chemical and physical properties of binary metallic nanoparticles (nanoalloys) are to a great extent defined by their chemical ordering, i.e. the pattern in which atoms of the two elements are located in a given crystal lattice. The reliable determination of the lowest-energy chemical ordering is a challenge that impedes in-depth studies of several-nm large bimetallic particles. We propose a method to efficiently optimize the chemical ordering based solely on results of electronic structure (density functional) calculations. We show that the accuracy of this method is practically the same as the accuracy of the underlying quantum mechanical approach. This method, due to its simplicity, immediately reveals why one or another chemical ordering is preferred and unravels the nature of the binding within the nanoparticles. For instance, our results provide very intuitive understanding of why gold and silver segregate on low-coordinated sites in Pd70Au70 and Pd70Ag70 particles, while Pd70Cu70 exhibits matryoshka-like structure and Pd70Zn70 features Zn and Pd atoms arranged in layers. To illustrate the power of the new method we optimized the chemical ordering in much larger Pd732Au731, Pd732Ag731, Pd732Cu731, and Pd732Zn731 nanocrystals, whose size ~4.4 nm is common for catalytic applications. PMID- 29218159 TI - Unified total synthesis of the natural products endiandric acid A, kingianic acid E, and kingianins A, D, and F. AB - A measure of the strength of a synthetic strategy is its versatility: specifically, whether it allows structurally distinct targets to be prepared. Herein we disclose a unified approach for the total synthesis of natural products of three distinct structural types, all of which occur naturally as racemic mixtures. The point of divergence involves the terminal alkylation of a conjugated tetrayne, and culminates in a significantly shortened synthesis of endiandric acid A (8 steps), the first total synthesis of kingianic acid E (8 steps), and a second-generation synthesis of kingianins A, D, and F (11 steps). Evidence for redox catalysis in the biosynthesis of kingianic acid E is presented. PMID- 29218160 TI - Thorium-ligand multiple bonds via reductive deprotection of a trityl group. AB - Reaction of [Th(I)(NR2)3] (R = SiMe3) (2) with KECPh3 (E = O, S) affords the thorium chalcogenates, [Th(ECPh3)(NR2)3] (3, E = O; 4, E = S), in moderate yields. Reductive deprotection of the trityl group from 3 and 4 by reaction with KC8, in the presence of 18-crown-6, affords the thorium oxo complex, [K(18-crown 6)][Th(O)(NR2)3] (6), and the thorium sulphide complex, [K(18-crown 6)][Th(S)(NR2)3] (7), respectively. The natural bond orbital and quantum theory of atoms-in-molecules approaches are employed to explore the metal-ligand bonding in 6 and 7 and their uranium analogues, and in particular the relative roles of the actinide 5f and 6d orbitals. PMID- 29218161 TI - Multiscale electrochemistry of hydrogels embedding conductive nanotubes. AB - The local functionalities of biocompatible objects can be characterized under conditions similar to the operating ones, using scanning electrochemical microscopy (SECM). In the case of alginate beads entrapping carbon nanotubes (CNTs), SECM allows evidencing of the local conductivity, organization, and communication between the CNTs. It shows that the CNT network is active enough to allow long range charge evacuation, enabling the use of alginate/CNT beads as soft 3D electrodes. Direct connection or local interrogation by a microelectrode allows visualization of their communication as a network and eventually the study of them individually at the nanoscale. PMID- 29218162 TI - The atomistic origin of the extraordinary oxygen reduction activity of Pt3Ni7 fuel cell catalysts. AB - Recently Debe et al. reported that Pt3Ni7 leads to extraordinary Oxygen Reduction Reaction (ORR) activity. However, several reports show that hardly any Ni remains in the layers of the catalysts close to the surface ("Pt-skin effect"). This paradox that Ni is essential to the high catalytic activity with the peak ORR activity at Pt3Ni7 while little or no Ni remains close to the surface is explained here using large-scale first-principles-based simulations. We make the radical assumption that processing Pt-Ni catalysts under ORR conditions would leach out all Ni accessible to the solvent. To simulate this process we use the ReaxFF reactive force field, starting with random alloy particles ranging from 50% Ni to 90% Ni and containing up to ~300 000 atoms, deleting the Ni atoms, and equilibrating the resulting structures. We find that the Pt3Ni7 case and a final particle radius around 7.5 nm lead to internal voids in communication with the exterior, doubling the external surface footprint, in fair agreement with experiment. Then we examine the surface character of these nanoporous systems and find that a prominent feature in the surface of the de-alloyed particles is a rhombic structure involving 4 surface atoms which is crystalline-like but under coordinated. Using density-functional theory, we calculate the energy barriers of ORR steps on Pt nanoporous catalysts, focusing on the Oad-hydration reaction (Oad + H2Oad -> OHad + OHad) but including the barriers of O2 dissociation (O2ad -> Oad + Oad) and water formation (OHad + Had -> H2Oad). We find that the reaction barrier for the Oad-hydration rate-determining-step is reduced significantly on the de-alloyed surface sites compared to Pt(111). Moreover we find that these active sites are prevalent on the surface of particles de-alloyed from a Pt-Ni 30 : 70 initial composition. These simulations explain the peak in surface reactivity at Pt3Ni7, and provide a rational guide to use for further optimization of improved catalytic and nanoporous materials. PMID- 29218163 TI - A single crystalline porphyrinic titanium metal-organic framework. AB - We successfully assembled the photocatalytic titanium-oxo cluster and photosensitizing porphyrinic linker into a metal-organic framework (MOF), namely PCN-22. A preformed titanium-oxo carboxylate cluster is adopted as the starting material to judiciously control the MOF growth process to afford single crystals. This synthetic method is useful to obtain highly crystalline titanium MOFs, which has been a daunting challenge in this field. Moreover, PCN-22 demonstrated permanent porosity and photocatalytic activities toward alcohol oxidation. PMID- 29218164 TI - Chemical sensing in two dimensional porous covalent organic nanosheets. AB - Two new imide-based crystalline, porous, and chemically stable covalent organic frameworks (COFs) (TpBDH and TfpBDH) have been successfully synthesized employing solvothermal crystallization route. Furthermore, thin layered covalent organic nanosheets (CONs) were derived from these bulk COFs by the simple liquid phase exfoliation method. These 2D CONs showcase increased luminescence intensity compared to their bulk counterparts (COFs). Notably, TfpBDH-CONs showcase good selectivity and prominent, direct visual detection towards different nitroaromatic analytes over TpBDH-CONs. Quite interestingly, TfpBDH-CONs exhibit a superior "turn-on" detection capability for 2,4,6-trinitrophenol (TNP) in the solid state, but conversely, they also show a "turn-off" detection in the dispersion state. These findings describe a new approach towards developing an efficient, promising fluorescence chemosensor material for both visual and spectroscopic detection of nitroaromatic compounds with very low [10-5 (M)] analyte concentrations. PMID- 29218165 TI - Nitrogen fixation catalyzed by ferrocene-substituted dinitrogen-bridged dimolybdenum-dinitrogen complexes: unique behavior of ferrocene moiety as redox active site. AB - A series of dinitrogen-bridged dimolybdenum-dinitrogen complexes bearing metallocene-substituted PNP-pincer ligands is synthesized by the reduction of the corresponding monomeric molybdenum-trichloride complexes under 1 atm of molecular dinitrogen. Introduction of ferrocene as a redox-active moiety to the pyridine ring of the PNP-pincer ligand increases the catalytic activity for the formation of ammonia from molecular dinitrogen, up to 45 equiv. of ammonia being formed based on the catalyst (22 equiv. of ammonia based on each molybdenum atom of the catalyst). The time profile for the catalytic reaction reveals that the presence of the ferrocene unit in the catalyst increases the rate of ammonia formation. Electrochemical measurement and theoretical studies indicate that an interaction between the Fe atom of the ferrocene moiety and the Mo atom in the catalyst may play an important role to achieve a high catalytic activity. PMID- 29218166 TI - Chemical looping of metal nitride catalysts: low-pressure ammonia synthesis for energy storage. AB - The activity of many heterogeneous catalysts is limited by strong correlations between activation energies and adsorption energies of reaction intermediates. Although the reaction is thermodynamically favourable at ambient temperature and pressure, the catalytic synthesis of ammonia (NH3), a fertilizer and chemical fuel, from N2 and H2 requires some of the most extreme conditions of the chemical industry. We demonstrate how ammonia can be produced at ambient pressure from air, water, and concentrated sunlight as renewable source of process heat via nitrogen reduction with a looped metal nitride, followed by separate hydrogenation of the lattice nitrogen into ammonia. Separating ammonia synthesis into two reaction steps introduces an additional degree of freedom when designing catalysts with desirable activation and adsorption energies. We discuss the hydrogenation of alkali and alkaline earth metal nitrides and the reduction of transition metal nitrides to outline a promoting role of lattice hydrogen in ammonia evolution. This is rationalized via electronic structure calculations with the activity of nitrogen vacancies controlling the redox-intercalation of hydrogen and the formation and hydrogenation of adsorbed nitrogen species. The predicted trends are confirmed experimentally with evolution of 56.3, 80.7, and 128 MUmol NH3 per mol metal per min at 1 bar and above 550 degrees C via reduction of Mn6N2.58 to Mn4N and hydrogenation of Ca3N2 and Sr2N to Ca2NH and SrH2, respectively. PMID- 29218167 TI - Supramolecular free radicals: near-infrared organic materials with enhanced photothermal conversion. AB - A novel kind of supramolecular free radical with significantly improved free radical yield and enhanced near-infrared (NIR) photothermal conversion has been fabricated. Perylene diimide (PDI) can undergo chemical reduction to generate PDI radical anions. Cucurbit[7]uril (CB[7]), a bulky hydrophilic head, was utilized to encapsulate the two end groups of the PDI derivative via host-guest interactions, thus hindering its aggregation and suppressing the dimerization and quenching of PDI radical anions in aqueous solution. Due to the increased concentration of radical anions and their absorption above 800 nm, the efficiency of NIR photothermal conversion was significantly improved. Compared with free radicals fabricated by covalent chemistry, the supramolecular free radicals established here could provide a facile approach for the promoted formation of aromatic free radicals, thus opening up a new strategy for the design of NIR photothermal materials with enhanced photothermal conversion. PMID- 29218168 TI - Investigating pyridazine and phthalazine exchange in a series of iridium complexes in order to define their role in the catalytic transfer of magnetisation from para-hydrogen. AB - The reaction of [Ir(IMes)(COD)Cl], [IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol 2-ylidene, COD = 1,5-cyclooctadiene] with pyridazine (pdz) and phthalazine (phth) results in the formation of [Ir(COD)(IMes)(pdz)]Cl and [Ir(COD)(IMes)(phth)]Cl. These two complexes are shown by nuclear magnetic resonance (NMR) studies to undergo a haptotropic shift which interchanges pairs of protons within the bound ligands. When these complexes are exposed to hydrogen, they react to form [Ir(H)2(COD)(IMes)(pdz)]Cl and [Ir(H)2(COD)(IMes)(phth)]Cl, respectively, which ultimately convert to [Ir(H)2(IMes)(pdz)3]Cl and [Ir(H)2(IMes)(phth)3]Cl, as the COD is hydrogenated to form cyclooctane. These two dihydride complexes are shown, by NMR, to undergo both full N-heterocycle dissociation and a haptotropic shift, the rates of which are affected by both steric interactions and free ligand pKa values. The use of these complexes as catalysts in the transfer of polarisation from para-hydrogen to pyridazine and phthalazine via signal amplification by reversible exchange (SABRE) is explored. The possible future use of drugs which contain pyridazine and phthalazine motifs as in vivo or clinical magnetic resonance imaging probes is demonstrated; a range of NMR and phantom-based MRI measurements are reported. PMID- 29218169 TI - Steric shielding vs. sigma-pi orbital interactions in triplet-triplet energy transfer. AB - The influence of non-covalent sigma-pi orbital interactions on triplet-triplet energy transfer (TTET) through tuning of the donor excitation energy remains basically unexplored. In the present work, we have investigated intermolecular TTET using donor moieties covalently linked to a rigid cholesterol (Ch) scaffold. For this purpose, diaryl ketones of pi,pi* electronic configuration tethered to alpha- or beta-Ch were prepared from tiaprofenic acid (TPA) and suprofen (SUP). The obtained systems TPA-alpha-Ch, TPA-beta-Ch, SUP-alpha-Ch and SUP-beta-Ch were submitted to photophysical studies (laser flash photolysis and phosphorescence), in order to delineate the influence of steric shielding and sigma-pi orbital interactions on the rate of TTET to a series of energy acceptors. As a matter of fact, fine tuning of the donor triplet energy significantly modifies the rate constants of TTET in the absence of diffusion control. The experimental results are rationalized by means of theoretical calculations using first principles methods based on DFT as well as molecular dynamics. PMID- 29218170 TI - Mesoporous 2D covalent organic frameworks based on shape-persistent arylene ethynylene macrocycles. AB - Macrocycle-to-framework strategy was explored to prepare covalent organic frameworks (COFs) using shape-persistent macrocycles as multitopic building blocks. We demonstrate well-ordered mesoporous 2D COFs (AEM-COF-1 and AEM-COF-2) can be constructed from tritopic arylene-ethynylene macrocycles, which determine the topology and modulate the porosity of the materials. According to PXRD analysis and computer modelling study, these COFs adopt the fully eclipsed AA stacking mode with large accessible pore sizes of 34 or 39 A, which are in good agreement with the values calculated by NLDFT modelling of gas adsorption isotherms. The pore size of COFs can be effectively expanded by using larger size of the macrocycles. Provided a plethora of polygonal shape-persistent macrocycles with various size, shape and internal cavity, macrocycle-to-framework strategy opens up a promising approach to expand the structural diversity of COFs and build hierarchical pore structures within the framework. PMID- 29218171 TI - Post-synthetic halide conversion and selective halogen capture in hybrid perovskites. AB - Reaction with halogen vapor allows us to post-synthetically exchange halides in both three- (3D) and two-dimensional (2D) organic-inorganic metal-halide perovskites. Films of 3D Pb-I perovskites cleanly convert to films of Pb-Br or Pb Cl perovskites upon exposure to Br2 or Cl2 gas, respectively. This gas-solid reaction provides a simple method to produce the high-quality Pb-Br or Pb-Cl perovskite films required for optoelectronic applications. Reactivity with halogens can be extended to the organic layers in 2D metal-halide perovskites. Here, terminal alkene groups placed between the inorganic layers can capture Br2 gas through chemisorption to form dibromoalkanes. This reaction's selectivity for Br2 over I2 allows us to scrub Br2 to obtain high-purity I2 gas streams. We also observe unusual halogen transfer between the inorganic and organic layers within a single perovskite structure. Remarkably, the perovskite's crystallinity is retained during these massive structural rearrangements. PMID- 29218174 TI - III-defined concepts in chemistry: rigid force constants vs. compliance constants as bond strength descriptors for the triple bond in diboryne. AB - In a recent publication, the interpretation of Braunschweig's diboryne NHC-BB-NHC as a true triple bond is questioned. The analysis by Koppe and Schnockel is based, inter alia, on the calculation of rigid coupling force constants. Nevertheless, since it is known for a long time that the use of rigid force constants as bond strength descriptors is by no means straightforward, we recomputed the rigid force constants for a model diboryne, applying different coordinate systems and compared the values with the relaxed force constants (generalized compliance constants, GCC). In contrast with the results by Schnockel and Koppe, the true coupling between the boron-boron bond and the boron carbon bond, that is, after the elimination of all numerical artifacts, is negligible (fBB/BC = -0.003). PMID- 29218172 TI - Enzyme repurposing of a hydrolase as an emergent peroxidase upon metal binding. AB - As an alternative to Darwinian evolution relying on catalytic promiscuity, a protein may acquire auxiliary function upon metal binding, thus providing it with a novel catalytic machinery. Here we show that addition of cupric ions to a 6 phosphogluconolactonase 6-PGLac bearing a putative metal binding site leads to the emergence of peroxidase activity (kcat 7.8 * 10-2 s-1, KM 1.1 * 10-5 M). Both X-ray crystallographic and EPR data of the copper-loaded enzyme Cu.6-PGLac reveal a bis-histidine coordination site, located within a shallow binding pocket capable of accommodating the o-dianisidine substrate. PMID- 29218173 TI - Solution structural characterization of an array of nanoscale aqueous inorganic Ga13-x In x (0 <= x <= 6) clusters by 1H-NMR and QM computations. AB - NMR spectroscopy is the go-to technique for determining the solution structures of organic, organometallic, and even macromolecular species. However, structure determination of nanoscale aqueous inorganic clusters by NMR spectroscopy remains an unexplored territory. The few hydroxo-bridged inorganic species well characterized by 1H Nuclear Magnetic Resonance spectroscopy (1H-NMR) do not provide enough information for signal assignment and prediction of new samples. 1H-NMR and quantum mechanical (QM) computations were used to characterize the NMR spectra of the entire array of inorganic flat-Ga13-x In x (0 <= x <= 6) nanoscale clusters in solution. A brief review of the known signals for MU2-OH and MU3-OH bridges gives expected ranges for certain types of protons, but does not give enough information for exact peak assignment. Integration values and NOESY data were used to assign the peaks of several cluster species with simple 1H-NMR spectra. Computations agree with these hydroxide signal assignments and allow for assignment of the complex spectra arising from the remaining cluster species. This work shows that 1H-NMR spectroscopy provides a variety of information about the solution behavior of inorganic species previously thought to be inaccessible by NMR due to fast ligand and/or proton exchange in wet solvents. PMID- 29218175 TI - The boron-boron triple bond in NHC->B 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 B<-NHC. AB - Quantum chemical calculations of the compound B2(NHCMe)2 and a thorough examination of the electronic structure with an energy decomposition analysis provide strong evidence for the appearance of boron-boron triple bond character. This holds for the model compound and for the isolated diboryne B2(NHCR)2 of Braunschweig which has an even slightly shorter B-B bond. The bonding situation in the molecule is best described in terms of NHCMe->B2<-NHCMe donor-acceptor interactions and concomitant pi-backdonation NHCMe<-B2->NHCMe which weakens the B B bond, but the essential features of a triple bond are preserved. An appropriate formula which depicts both interactions is the sketch NHCMe?B 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 1111111111111111111111111111111111 1111111111111111111111111111111111 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 0000000000000000000000000000000000 B?NHCMe. Calculations of the stretching force constants FBB which take molecules that have genuine single, double and triple bonds as references suggest that the effective bond order of B2(NHCMe)2 has the value of 2.34. The suggestion by Koppe and Schnockel that the strength of the boron-boron bond in B2(NHCH)2 is only between a single and a double bond is repudiated. It misleadingly takes the force constant FBB of OBBO as the reference value for a B-B single bond which ignores pi bonding contributions. The alleged similarity between the B-O bonds in OBBO and the B-C bonds in B2(NHCMe)2 is a mistaken application of the principle of isolable relationship. PMID- 29218176 TI - Versatile rare earth hexanuclear clusters for the design and synthesis of highly connected ftw-MOFs. AB - A series of highly porous MOFs were deliberately targeted to contain a 12 connected rare earth hexanuclear cluster and quadrangular tetracarboxylate ligands. The resultant MOFs have an underlying topology of ftw, and are thus (4,12)-c ftw-MOFs. This targeted rare earth ftw-MOF platform offers the potential to assess the effect of pore functionality and size, via ligand functionalization and/or expansion, on the adsorption properties of relevant gases. Examination of the gas adsorption properties of these compounds showed that the ftw-MOF-2 analogues, constructed from rigid ligands with a phenyl, naphthyl, or anthracene core exhibited a relatively high degree of porosity. The specific surface areas and pore volumes of these analogs are amongst the highest reported for RE-based MOFs. Further studies revealed that the Y-ftw-MOF-2 shows promise as a storage medium for methane (CH4) at high pressures. Furthermore, Y-ftw-MOF-2 shows potential as a separation agent for the selective removal of normal butane (n C4H10) and propane (C3H8) from natural gas (NG) as well as interesting properties for the selective separation of n-C4H10 from C3H8 or isobutane (iso-C4H10). PMID- 29218177 TI - Revealing the thermodynamic driving force for ligand-based reductions in quinoids; conceptual rules for designing redox active and non-innocent ligands. AB - Metal and ligand-based reductions have been modeled in octahedral ruthenium complexes revealing metal-ligand interactions as the profound driving force for the redox-active behaviour of orthoquinoid-type ligands. Through an extensive investigation of redox-active ligands we revealed the most critical factors that facilitate or suppress redox-activity of ligands in metal complexes, from which basic rules for designing non-innocent/redox-active ligands can be put forward. These rules also allow rational redox-leveling, i.e. the moderation of redox potentials of ligand-centred electron transfer processes, potentially leading to catalysts with low overpotential in multielectron activation processes. PMID- 29218178 TI - Insights into the structure-photoreactivity relationships in well-defined perovskite ferroelectric KNbO3 nanowires. AB - Structure-function correlations are a central theme in heterogeneous (photo)catalysis. In this study, the geometric and electronic structure of perovskite ferroelectric KNbO3 nanowires with respective orthorhombic and monoclinic polymorphs have been systematically addressed. By virtue of aberration corrected scanning transmission electron microscopy, we directly visualize surface photocatalytic active sites, measure local atomic displacements at an accuracy of several picometers, and quantify ferroelectric polarization combined with first-principles calculations. The photoreactivity of the as-prepared KNbO3 nanowires is assessed toward aqueous rhodamine B degradation under UV light. A synergy between the ferroelectric polarization and electronic structure in photoreactivity enhancement is uncovered, which accounts for the prominent reactivity order: orthorhombic > monoclinic. Additionally, by identifying new photocatalytic products, rhodamine B degradation pathways involving N deethylation and conjugated structure cleavage are proposed. Our findings not only provide new insights into the structure-photoreactivity relationships in perovskite ferroelectric photocatalysts, but also have broad implications in perovskite-based water splitting and photovoltaics, among others. PMID- 29218179 TI - Taming C60 fullerene: tuning intramolecular photoinduced electron transfer process with subphthalocyanines. AB - Two subphthalocyanine-C60 conjugates have been prepared by means of the 1,3 dipolar cycloaddition reaction of (perfluoro) or hexa(pentylsulfonyl) electron deficient subphthalocyanines to C60. Comprehensive assays regarding the electronic features - in the ground and excited state - of the resulting conjugates revealed energy and electron transfer processes upon photoexcitation. Most important is the unambiguous evidence - in terms of time-resolved spectroscopy - of an ultrafast oxidative electron transfer evolving from C60 to the photoexcited subphthalocyanines. This is, to the best of our knowledge, the first case of an intramolecular oxidation of C60 within electron donor-acceptor conjugates by means of only photoexcitation. PMID- 29218180 TI - Assessing the exchange coupling in binuclear lanthanide(iii) complexes and the slow relaxation of the magnetization in the antiferromagnetically coupled Dy2 derivative. AB - We report here the synthesis and the investigation of the magnetic properties of a series of binuclear lanthanide complexes belonging to the metallacrown family. The isostructural complexes have a core structure with the general formula [Ga4Ln2(shi3-)4(Hshi2-)2(H2shi-)2(C5H5N)4(CH3OH) x (H2O) x ].xC5H5N.xCH3OH.xH2O (where H3shi = salicylhydroxamic acid and Ln = GdIII1; TbIII2; DyIII3; ErIII4; YIII5; YIII0.9DyIII0.16). Apart from the Er-containing complex, all complexes exhibit an antiferromagnetic exchange coupling leading to a diamagnetic ground state. Magnetic studies, below 2 K, on a single crystal of 3 using a micro-squid array reveal an opening of the magnetic hysteresis cycle at zero field. The dynamic susceptibility studies of 3 and of the diluted DyY 6 complexes reveal the presence of two relaxation processes for 3 that are due to the excited ferromagnetic state and to the uncoupled DyIII ions. The antiferromagnetic coupling in 3 was shown to be mainly due to an exchange mechanism, which accounts for about 2/3 of the energy gap between the antiferro- and the ferromagnetic states. The overlap integrals between the Natural Spin Orbitals (NSOs) of the mononuclear fragments, which are related to the magnitude of the antiferromagnetic exchange, are one order of magnitude larger for the Dy2 than for the Er2 complex. PMID- 29218181 TI - Acid/base-regulated reversible electron transfer disproportionation of N-N linked bicarbazole and biacridine derivatives. AB - Regulation of electron transfer on organic substances by external stimuli is a fundamental issue in science and technology, which affects organic materials, chemical synthesis, and biological metabolism. Nevertheless, acid/base-responsive organic materials that exhibit reversible electron transfer have not been well studied and developed, owing to the difficulty in inventing a mechanism to associate acid/base stimuli and electron transfer. We discovered a new phenomenon in which N-N linked bicarbazole (BC) and tetramethylbiacridine (TBA) derivatives undergo electron transfer disproportionation by acid stimulus, forming their stable radical cations and reduced species. The reaction occurs through a biradical intermediate generated by the acid-triggered N-N bond cleavage reaction of BC or TBA, which acts as a two electron acceptor to undergo electron transfer reactions with two equivalents of BC or TBA. In addition, in the case of TBA the disproportionation reaction is highly reversible through neutralization with NEt3, which recovers TBA through back electron transfer and N-N bond formation reactions. This highly reversible electron transfer reaction is possible due to the association between the acid stimulus and electron transfer via the acid regulated N-N bond cleavage/formation reactions which provide an efficient switching mechanism, the ability of the organic molecules to act as multi electron donors and acceptors, the extraordinary stability of the radical species, the highly selective reactivity, and the balance of the redox potentials. This discovery provides new design concepts for acid/base-regulated organic electron transfer systems, chemical reagents, or organic materials. PMID- 29218182 TI - Palladium-catalyzed reductive coupling of phenols with anilines and amines: efficient conversion of phenolic lignin model monomers and analogues to cyclohexylamines. AB - Phenols, being readily available from naturally abundant lignins, are important future feedstocks for the renewable production of fuels, chemicals, and energy. Herein, a highly efficient Pd-catalyzed direct coupling of phenolic lignin model monomers and analogues with anilines to give cyclohexylamines using cheap and safe sodium formate as hydrogen donor is described. A variety of secondary and tertiary substituted cyclohexylamines can be synthesized under convenient conditions in moderate to excellent yields. PMID- 29218183 TI - Organocatalytic asymmetric chlorinative dearomatization of naphthols. AB - An organocatalytic asymmetric chlorinative dearomatization of naphthols was realized for the first time, providing chiral naphthalenones with a Cl-containing all-substituted stereocenter in excellent yields and enantioselectivity (up to 97% yield and 96% ee). The reaction features mild reaction conditions, good tolerance of diverse functional groups and simple reaction operation. PMID- 29218184 TI - Highly enantioselective sulfa-Michael addition reactions using N-heterocyclic carbene as a non-covalent organocatalyst. AB - We report the first asymmetric sulfa-Michael addition (SMA) reactions using a chiral N-heterocyclic carbene (NHC) as a non-covalent organocatalyst. We demonstrate that a triazolium salt derived NHC functions as an excellent Bronsted base to promote enantioselective carbon-sulfur bond formation. The reaction is applicable to a wide range of thiols and electrophilic olefins. Notably, quaternary chiral centers bearing both an S atom and a CF3 group were synthesized with excellent asymmetric control. Mechanistic studies suggest that the facial discrimination is likely to be guided by non-covalent interactions: hydrogen bonding and pi-pi stacking. PMID- 29218185 TI - pH-responsive and switchable triplex-based DNA hydrogels. AB - New methods for the preparation of reversible pH-responsive DNA hydrogels based on Hoogsteen triplex structures are described. One system consists of a hydrogel composed of duplex DNA units that bridge acrylamide chains at pH = 7.4 and undergoes dissolution at pH = 5.0 through the reconfiguration of one of the duplex bridging units into a protonated CG.C+ triplex structure. The second system consists of a hydrogel consisting of acrylamide chains crosslinked in the presence of an auxiliary strand by Hoogsteen TA.T triplex interaction at pH = 7.0. The hydrogel transforms into a liquid phase at pH = 10.0 due to the separation of the triplex bridging units. The two hydrogel systems undergo reversible and cyclic hydrogel/solution transitions by subjecting the systems to appropriate pH values. The anti-cancer drug, coralyne, binds specifically to the TA.T triplex-crosslinked hydrogel thereby increasing its stiffness. The pH controlled release of the coralyne from the hydrogel is demonstrated. PMID- 29218186 TI - Charge transfer versus molecular conductance: molecular orbital symmetry turns quantum interference rules upside down. AB - Destructive quantum interference has been shown to strongly reduce charge tunneling rates across molecular bridges. The current consensus is that destructive quantum interference occurs in cross-conjugated molecules, while linearly conjugated molecules exhibit constructive interference. Our experimental results on photoinduced charge transfer in donor-bridge-acceptor systems, however, show that hole transfer is ten times faster through a cross-conjugated biphenyl bridge than through a linearly conjugated biphenyl bridge. Electronic structure calculations reveal that the surprisingly low hole transfer rate across the linearly conjugated biphenyl bridge is caused by the presence of destructive instead of constructive interference. We find that the specific molecular orbital symmetry of the involved donor and acceptor states leads to interference conditions that are different from those valid in single molecule conduction experiments. Furthermore, the results indicate that by utilizing molecular orbital symmetry in a smart way new opportunities of engineering charge transfer emerge. PMID- 29218187 TI - Vermicious thermo-responsive Pickering emulsifiers. AB - Thermo-responsive vermicious (or worm-like) diblock copolymer nanoparticles prepared directly in n-dodecane via polymerisation-induced self-assembly (PISA) were used to stabilise water-in-oil Pickering emulsions. Mean droplet diameters could be tuned from 8 to 117 MUm by varying the worm copolymer concentration and the water volume fraction and very high worm adsorption efficiencies (~100%) could be obtained below a certain critical copolymer concentration (~0.50%). Heating a worm dispersion up to 150 degrees C led to a worm-to-sphere transition, which proved to be irreversible if conducted at sufficiently low copolymer concentration. This affords a rare opportunity to directly compare the Pickering emulsifier performance of chemically identical worms and spheres. It is found that the former nanoparticles are markedly more efficient, since worm stabilised water droplets are always smaller than the equivalent sphere stabilised droplets prepared under identical conditions. Moreover, the latter emulsions are appreciably flocculated, whereas the former emulsions proved to be stable. SAXS studies indicate that the mean thickness of the adsorbed worm layer surrounding the water droplets is comparable to that of the worm cross-section diameter determined for non-adsorbed worms dispersed in the continuous phase. Thus the adsorbed worms form a monolayer shell around the water droplets, rather than ill-defined multilayers. Under certain conditions, demulsification occurs on heating as a result of a partial worm-to-sphere morphological transition. PMID- 29218188 TI - The Abeta40 and Abeta42 peptides self-assemble into separate homomolecular fibrils in binary mixtures but cross-react during primary nucleation. AB - The assembly of proteins into amyloid fibrils, a phenomenon central to several currently incurable human diseases, is a process of high specificity that commonly tolerates only a low level of sequence mismatch in the component polypeptides. However, in many cases aggregation-prone polypeptides exist as mixtures with variations in sequence length or post-translational modifications; in particular amyloid beta (Abeta) peptides of variable length coexist in the central nervous system and possess a propensity to aggregate in Alzheimer's disease and related dementias. Here we have probed the co-aggregation and cross seeding behavior of the two principal forms of Abeta, Abeta40 and Abeta42 that differ by two hydrophobic residues at the C-terminus. We find, using isotope labeling, mass spectrometry and electron microscopy that they separate preferentially into homomolecular pure Abeta42 and Abeta40 structures during fibril formation from mixed solutions of both peptides. Although mixed fibrils are not formed, the kinetics of amyloid formation of one peptide is affected by the presence of the other form. In particular monomeric Abeta42 accelerates strongly the aggregation of Abeta40 in a concentration-dependent manner. Whereas the aggregation of each peptide is catalyzed by low concentrations of preformed fibrils of the same peptide, we observe a comparably insignificant effect when Abeta42 fibrils are added to Abeta40 monomer or vice versa. Therefore we conclude that fibril-catalysed nucleus formation and elongation are highly sequence specific events but Abeta40 and Abeta42 interact during primary nucleation. These results provide a molecular level description of homomolecular and heteromolecular aggregation steps in mixtures of polypeptide sequence variants. PMID- 29218189 TI - A pH-responsive soluble polymer-based homogeneous system for fast and highly efficient N-glycoprotein/glycopeptide enrichment and identification by mass spectrometry. AB - Liquid phase homogeneous reactions using soluble polymer supports have found numerous applications in homogeneous catalysis and organic synthesis because of their advantages of no interface mass transfer limitation and a high conversion rate. However, their application in analytical separation is limited by the inefficient/inconvenient recovery of the target molecules from the extremely complex biological samples. Here, we report a stimuli-responsive polymer system for facile and efficient enrichment of trace amounts of biomolecules from complex biological samples. The soluble polymer supports provide a homogeneous reaction system with fast mass transfer and facilitate interactions between the supports and the target molecules. More importantly, the stimuli-responsive polymers exhibit reversible self-assembly and phase separation under pH variations, which leads to facial sample recovery with a high yield of the target biomolecules. The stimuli-responsive polymer is successfully applied to the enrichment of low abundant N-glycoproteins/glycopeptides, which play crucial roles in various key biological processes in mammals and are closely correlated with the occurrence, progression and metastasis of cancer. N-Glycoprotein is coupled to the stimuli responsive polymer using the reported hydrazide chemistry with pre-oxidation of the oligosaccharide structure. Highly efficient enrichment of N-glycoproteins/N glycopeptides with >95% conversion rate is achieved within 1 h, which is eight times faster than using solid/insoluble hydrazide enrichment materials. Mass spectrometry analysis achieves low femtomolar identification sensitivity and obtained 1317 N-glycopeptides corresponding to 458 N-glycoproteins in mouse brain, which is more than twice the amount obtained after enrichment using commercial solid/insoluble materials. These results demonstrate the capability of this "smart" polymer system to combine stimuli-responsive and target-enrichment moieties to achieve improved identification of key biological and disease related biomolecules. PMID- 29218190 TI - Diastereodivergent organocatalysis for the asymmetric synthesis of chiral annulated furans. AB - Disclosed herein is a stereoselective method for the synthesis of 2,3-furan fused carbocycles bearing adjacent quaternary and tertiary carbon stereocenters. The chemistry is based on an asymmetric addition of beta-ketoesters to 2-(1-alkynyl) 2-alkene-1-ones catalysed by natural cinchona alkaloids followed by a silver catalysed intramolecular cycloisomerisation. By exploiting the distinct catalysis modes of quinine, which can act either as a general base or, upon opportune modifications, as a phase transfer catalyst, a complete switch of the enforced sense of diastereoinduction is achieved. The stereodivergent systems enable access to the full matrix of all possible stereoisomeric products. PMID- 29218191 TI - Microdialysis SPR: diffusion-gated sensing in blood. AB - Chemical measurements are rarely performed in crude blood due to the poor performance of sensors and devices exposed to biofluids. In particular, biosensors have been severely limited for detection in whole blood due to surface fouling from proteins, the interaction of cells with the sensor surface and potential optical interference when considering optical methods of analysis. To solve this problem, a dialysis chamber was introduced to a surface plasmon resonance (SPR) biosensor to create a diffusion gate for large molecules. This dialysis chamber relies on the faster migration of small molecules through a microporous membrane towards a sensor, located at a specified distance from the membrane. Size filtering and diffusion through a microporous membrane restricted the access of blood cells and larger biomolecules to a sensing chamber, while smaller, faster diffusing biomolecules migrated preferentially to the sensor with limited interference from blood and serum. The affinity of a small peptide (DBG178) with anti-atherosclerotic activity and targeting type B scavenger receptor CD36 was successfully monitored at micromolar concentrations in human serum and blood without any pre-treatment of the sample. This concept could be generally applied to a variety of targets for biomolecular interaction monitoring and quantification directly in whole blood, and could find potential applications in biochemical assays, pharmacokinetic drug studies, disease treatment monitoring, implantable plasmonic sensors, and point-of-care diagnostics. PMID- 29218192 TI - Consecutive C-F bond activation and C-F bond formation of heteroaromatics at rhodium: the peculiar role of FSi(OEt)3. AB - C-F activation of 2,3,5,6-tetrafluoropyridine at [Rh{Si(OEt)3}(PEt3)3] (1) yields [Rh{2-(3,5,6-C5F3HN)}(PEt3)3] (2) and FSi(OEt)3, but in an unprecedented consecutive reaction FSi(OEt)3 acts as a fluoride source to give [Rh(4 C5F4N)(PEt3)3] (4) by regeneration of the C-F bond and C-H activation. Analogous refluorination steps were observed for other 2-pyridyl rhodium complexes. NMR spectroscopic studies revealed a delicate balance between the feasibility for C-F bond formation accompanied by a C-H activation and the occurrence of competing reactions such as hydrodefluorinations induced by the intermediary presence of H2. PMID- 29218193 TI - Hyperpolarization of amino acid derivatives in water for biological applications. AB - We report on the successful synthesis and hyperpolarization of N-unprotected alpha-amino acid ethyl propionate esters and extensively, on an alanine derivative hyperpolarized by PHIP (4.4 +/- 1.0% 13C-polarization), meeting required levels for in vivo detection. Using water as solvent increases biocompatibility and the absence of N-protection is expected to maintain biological activity. PMID- 29218194 TI - Strong circularly polarized luminescence from the supramolecular gels of an achiral gelator: tunable intensity and handedness. AB - Although the importance of circularly polarized luminescence (CPL) materials has been widely recognized, the CPL responses of supramolecular gels are still rarely studied. Moreover, developing CPL materials based on supramolecular gels is of great significance, due to their special advantages and important applications. Herein, we report the first circularly polarized supramolecular gels self assembled exclusively from a simple achiral C3-symmetric molecule. Most importantly, the excellent tunability of these novel CPL materials, which benefits from achiral molecular building blocks as well as the nature of supramolecular gels, has been investigated. Thus, the CPL intensity of these supramolecular gels is easily enhanced by mechanical stirring or doping chiral amines. The handedness of CPL signals is controlled by the chirality of organic amines. PMID- 29218195 TI - Enantioselective annulation of enals with 2-naphthols by triazolium salts derived from l-phenylalanine. AB - A series of chiral triazolium salts have been synthesized from methyl l phenylalaninate hydrochloride. The NHCs derived from this class of novel triazolium salts were found to be highly efficient catalysts in the annulation reaction of enals and 2-naphthols. These reactions proceeded with high chemoselectivity and wide substrate scope affording enantioenriched beta arylsplitomicins in good yields with up to 96% ee. PMID- 29218196 TI - Copper-catalyzed diamination of unactivated alkenes with hydroxylamines. AB - A copper-catalyzed regio- and stereoselective diamination of unactivated alkenes has been developed with O-acylhydroxylamines as electrophilic nitrogen sources and oxidants. This method provides the first example of metal-catalyzed alkene diamination for directly installing an electron-rich amino group and extends the diamination scope for the synthesis of diverse 1,2-diamines. It offers a rapid and efficient approach to construct a wide range of 1,2-diamines that are an important structural motif in organic synthesis, medicines, catalysts and ligands. PMID- 29218198 TI - Iron catalyzed CO2 hydrogenation to formate enhanced by Lewis acid co-catalysts. AB - A family of iron(ii) carbonyl hydride complexes supported by either a bifunctional PNP ligand containing a secondary amine, or a PNP ligand with a tertiary amine that prevents metal-ligand cooperativity, were found to promote the catalytic hydrogenation of CO2 to formate in the presence of Bronsted base. In both cases a remarkable enhancement in catalytic activity was observed upon the addition of Lewis acid (LA) co-catalysts. For the secondary amine supported system, turnover numbers of approximately 9000 for formate production were achieved, while for catalysts supported by the tertiary amine ligand, nearly 60 000 turnovers were observed; the highest activity reported for an earth abundant catalyst to date. The LA co-catalysts raise the turnover number by more than an order of magnitude in each case. In the secondary amine system, mechanistic investigations implicated the LA in disrupting an intramolecular hydrogen bond between the PNP ligand N-H moiety and the carbonyl oxygen of a formate ligand in the catalytic resting state. This destabilization of the iron-bound formate accelerates product extrusion, the rate-limiting step in catalysis. In systems supported by ligands with the tertiary amine, it was demonstrated that the LA enhancement originates from cation assisted substitution of formate for dihydrogen during the slow step in catalysis. PMID- 29218197 TI - Luminescence switch-on detection of protein tyrosine kinase-7 using a G quadruplex-selective probe. AB - A series of luminescent iridium(iii) complexes were synthesised and evaluated for their ability to act as luminescent G-quadruplex-selective probes. The iridium(iii) complex 9 [Ir(pbi)2(5,5-dmbpy)]PF6 (where pbi = 2-phenyl-1H benzo[d]imidazole; 5,5-dmbpy = 5,5'-dimethyl-2,2'-bipyridine) exhibited high luminescence for G-quadruplex DNA compared to dsDNA and ssDNA, and was employed to construct a G-quadruplex-based assay for protein tyrosine kinase-7 (PTK7) in aqueous solution. PTK7 is an important biomarker for a range of leukemias and solid tumors. In the presence of PTK7, the specific binding of the sgc8 aptamer sequence triggers a structural transition and releases the G-quadruplex-forming sequence. The formation of the nascent G-quadruplex structure is then detected by the G-quadruplex-selective iridium(iii) complex with an enhanced luminescent response. Moreover, the application of the assay for detecting PTK7 in cellular debris and membrane protein extract was demonstrated. To our knowledge, this is the first G-quadruplex-based assay for PTK7. PMID- 29218199 TI - Homochiral self-assembly of biocoordination polymers: anion-triggered helicity and absolute configuration inversion. AB - The different natures of the weakly coordinating anions - triflate or perchlorate - in the Cu2+-mediated self-assembly of cytidine monophosphate nucleotide play a fundamental role in the homochiral resolution process, yielding one-dimensional copper(ii) coordination polymers of opposite helicity that can be easily inverted, in a reversible way, by changing the nature of the anion as revealed by circular dichroism experiments both in solution and in the solid state. PMID- 29218200 TI - Low temperature ionic conductor: ionic liquid incorporated within a metal-organic framework. AB - Ionic liquids (ILs) show promise as safe electrolytes for electrochemical devices. However, the conductivity of ILs decreases markedly at low temperatures because of strong interactions arising between the component ions. Metal-organic frameworks (MOFs) are appropriate microporous host materials that can control the dynamics of ILs via the nanosizing of ILs and tunable interactions of MOFs with the guest ILs. Here, for the first time, we report on the ionic conductivity of an IL incorporated within a MOF. The system studied consisted of EMI-TFSA (1 ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide) and ZIF-8 (Zn(MeIM)2, H(MeIM) = 2-methylimidazole) as the IL and the MOF, respectively. While the ionic conductivity of bulk EMI-TFSA showed a sharp decrease arising from freezing, the EMI-TFSA@ZIF-8 showed no marked decrease because there was no phase transition. The ionic conductivity of EMI-TFSA@ZIF-8 was higher than that of bulk EMI-TFSA below 250 K. This result points towards a novel method by which to design electrolytes for electrochemical devices such as batteries that can operate at low temperatures. PMID- 29218201 TI - Simple electrochemical sensing of attomolar proteins using fabricated complexes with enhanced surface binding avidity. AB - Various strategies have been proposed for the detection of disease protein biomarkers; however, most methods are too expensive, cumbersome or limited in sensitivity for clinical use. Here, we report that a fabricated complex can be used as a powerful tool to detect trace proteins in complex samples. In this strategy, a DNA-protein complex that comprises of one target molecule and two or more deoxyribozyme-containing probes can exhibit autonomous cleavage behavior on the surface of the substrate DNA modified electrode. In the meantime, the complex can remove the cleaved DNA fragment from the electrode surface by taking advantage of the proximity effect. The proposed approach allows one-step and highly sensitive detection of a variety of targets based on the changes of the direct electrochemical readout. Moreover, this method may also have considerable advantages over the commonly reported DNA amplification-assisted immunoassays, particularly in terms of assay simplicity and cost, which may hold great potential for application in resource-constrained regions. PMID- 29218202 TI - Target-driven DNA association to initiate cyclic assembly of hairpins for biosensing and logic gate operation. AB - A target-driven DNA association was designed to initiate cyclic assembly of hairpins, which led to an enzyme-free amplification strategy for detection of a nucleic acid or aptamer substrate and flexible construction of logic gates. The cyclic system contained two ssDNA (S1 and S2) and two hairpins (H1 and H2). These ssDNA could co-recognize the target to produce an S1-target-S2 structure, which brought their toehold and branch-migration domains into close proximity to initiate the cyclic assembly of hairpins. The assembly product further induced the dissociation of a double-stranded probe DNA (Q:F) via toehold-mediated strand displacement to switch the fluorescence signal. This method could detect DNA and ATP as model analytes down to 21.6 pM and 38 nM, respectively. By designing different DNA input strands, the "AND", "INHIBIT" and "NAND" logic gates could be activated to achieve the output signal. The proposed biosensing and logic gate operation platform showed potential applications in disease diagnosis. PMID- 29218203 TI - Mechanism of the cooperative Si-H bond activation at Ru-S bonds. AB - The nature of the hydrosilane activation mediated by ruthenium(ii) thiolate complexes of type [(R3P)Ru(SDmp)]+[BArF4]- is elucidated by an in-depth experimental and theoretical study. The combination of various ruthenium(ii) thiolate complexes and tertiary hydrosilanes under variation of the phosphine ligand and the substitution pattern at the silicon atom is investigated, providing detailed insight into the activation mode. The mechanism of action involves reversible heterolytic splitting of the Si-H bond across the polar Ru-S bond without changing the oxidation state of the metal, generating a ruthenium(ii) hydride and sulfur-stabilized silicon cations, i.e. metallasilylsulfonium ions. These stable yet highly reactive adducts, which serve as potent silicon electrophiles in various catalytic transformations, are fully characterized by systematic multinuclear NMR spectroscopy. The structural assignment is further verified by successful isolation and crystallographic characterization of these key intermediates. Quantum-chemical analyses of diverse bonding scenarios are in excellent agreement with the experimental findings. Moreover, the calculations reveal that formation of the hydrosilane adducts proceeds via barrierless electrophilic activation of the hydrosilane by sterically controlled eta1 (end-on) or eta2 (side-on) coordination of the Si-H bond to the Lewis acidic metal center, followed by heterolytic cleavage of the Si H bond through a concerted four-membered transition state. The Ru-S bond remains virtually intact during the Si-H bond activation event and also preserves appreciable bonding character in the hydrosilane adducts. The overall Si-H bond activation process is exergonic with DeltaG0r ranging from -20 to -40 kJ mol-1, proceeding instantly already at low temperatures. PMID- 29218204 TI - A structural remedy toward bright dipolar fluorophores in aqueous media. AB - The donor-acceptor (D-A) type dipolar fluorophores, an important class of luminescent dyes with two-photon absorption behaviour, generally emit strongly in organic solvents but poorly in aqueous media. To understand and enhance the poor emission behaviour of dipolar dyes in aqueous media, we undertake a rational approach that includes a systematic structure variation of the donor, amino substituent of acedan, an important two-photon dye. We identify several factors that influence the emission behaviour of the dipolar dyes in aqueous media through computational and photophysical studies on new acedan derivatives. As a result, we can make acedan dyes emit bright fluorescence under one- and two photon excitation in aqueous media by suppressing the liable factors for poor emission: 1,3-allylic strain, rotational freedom, and hydrogen bonding with water. We also validate that these findings can be generally extended to other dipolar fluorophores, as demonstrated for naphthalimide, coumarin and (4-nitro 2,1,3-benzoxadiazol-7-yl)amine (NBD) dyes. The new acedan and naphthalimide dyes thus allow us to obtain much brighter two-photon fluorescent images in cells and tissues than in their conventional forms. As an application of these findings, a thiol probe is synthesized based on a new naphthalimide dye, which shows greatly enhanced fluorescence from the widely used N,N-dimethyl analogue. The results disclosed here provide essential guidelines for the development of efficient dipolar dyes and fluorescence probes for studying biological systems, particularly by two-photon microscopy. PMID- 29218205 TI - ATP-triggered biomimetic deformations of bioinspired receptor-containing polymer assemblies. AB - Designing synthetic polymer assemblies that can sense a biological signal to mimic cell activities is elusive. We develop a class of block copolymer containing bioinspired host units as supramolecular catchers for the highly selective capture of adenosine-5'-triphosphate (ATP). Driven by ATP, these block copolymers undergo a stepwise self-assembly and exhibit cascading deformation into highly-ordered nanostructures via the specific recognition effect between ATP and the receptor. By modulating the ATP concentration, one can precisely control the biomimetic evolution of these assemblies in diverse dimensionalities and geometries, like certain organellar deformations. Moreover, the ATP/polymer hybrid aggregates can be reversibly disassembled in response to phosphatase. The special ability of the artificial assemblies to sense intracellular bioactivators can offer new insight into bio-responsive nanomaterials for cellular applications. PMID- 29218206 TI - Synthesis of open-mouthed, yolk-shell Au@AgPd nanoparticles with access to interior surfaces for enhanced electrocatalysis. AB - We have successfully produced open-mouthed, yolk-shell (OM-YS) Au@AgPd nanoparticles (NPs) via galvanic replacement reaction at room temperature; each NP has a large opening on its AgPd shells. Owing to the openings on the AgPd shells, the inner surfaces of the AgPd shells of as-prepared OM-YS Au@AgPd NPs become accessible to the surrounding media. These new structural characters make the present OM-YS Au@AgPd NPs excellent catalysts for electrochemical oxidation of ethanol in alkaline media. Their electrochemical active surface area is 87.8 m2 g-1 and the mass activity is 1.25 A mgPd-1. Moreover, the openings on the AgPd shells also make the surfaces of the Au cores in OM-YS Au@AgPd NPs accessible to the reaction media, which significantly facilitates the removal of CO and other carbonaceous intermediate species, thus leading to substantially enhanced durability and stability. This superior electrocatalytic performance cannot be implemented by using conventional YS Au@AgPd NPs or commercially available Pd/C catalysts. PMID- 29218207 TI - How important are dispersion interactions to the strength of aromatic stacking interactions in solution? AB - In this study, the contributions of London dispersion forces to the strength of aromatic stacking interactions in solution were experimentally assessed using a small molecule model system. A series of molecular torsion balances were designed to measure an intramolecular stacking interaction via a conformational equilibrium. To probe the importance of the dispersion term, the size and polarizability of one of the aromatic surfaces were systematically increased (benzene, naphthalene, phenanthrene, biphenyl, diphenylethene, and diphenylacetylene). After correcting for solvophobic, linker, and electrostatic substituent effects, the variations due to polarizability were found to be an order of magnitude smaller in solution than in comparison to analogous computational studies in vacuo. These results suggest that in solution the dispersion term is a small component of the aromatic stacking interaction in contrast to their dominant role in vacuo. PMID- 29218209 TI - Anomalous origin of the right colic artery from the right gastroepiploic artery during complete mesocolic excision: a rare case report. AB - Complete mesocolic excision (CME) is a standardized surgical procedure for colonic cancer that requires ample knowledge of the anatomical patterns of the colic arteries. Variations of the colic vessels encumber both surgical and endovascular techniques. In the presented case below, the right colic artery was incidentally detected emerging from the right gastroepiploic artery, during CME. Surgeons should be always aware of this variation in order to perform safe abdominal surgeries and sufficient resection of the regional lymph nodes with a view to minimizing the probability of recurrence of disease when encountering colonic cancer. PMID- 29218208 TI - Rapid access to phospholipid analogs using thiol-yne chemistry. AB - Phospholipids and glycolipids constitute an essential part of biological membranes, and are of tremendous fundamental and practical interest. Unfortunately, the preparation of functional phospholipids, or synthetic analogs, is often synthetically challenging. Here we utilize thiol-yne click chemistry methodology to gain access to phospho- and glycolipid analogs. Alkynyl hydrophilic head groups readily photoreact with numerous thiol modified lipid tails to yield the appropriate dithioether phospho- or glycolipids. The resulting structures closely resemble the structure and function of native diacylglycerolipids. Dithioether phosphatidylcholines (PCs) are suitable for forming giant unilamellar vesicles (GUV), which can be used as vessels for cell free expression systems. The unnatural thioether linkages render the lipids resistant to phospholipase A2 hydrolysis. We utilize the improved stability of these lipids to control the shrinkage of GUVs composed of a mixture of 1,2 dioleoyl-sn-glycero-3-phosphocholine (DOPC) and dioleyl-dithioether PC, concentrating encapsulated nanoparticles. We imagine that these readily accessible lipids could find a number of applications as natural lipid substitutes. PMID- 29218210 TI - Primary hydatid disease of the axilla presenting as a cystic mass. AB - Hydatid cysts is most often characterized by hepatic and pulmonary involvement, but it also rarely involves other body parts and systems. Axillary involvement by hydatid cysts is considerably rare in countries with endemic hydatid cyst manifestation, and cases from countries like Turkey are still widely reported. A young woman aged 24 years was seen at our clinic for a painful axillary mass. She was detected by a thoracoabdominal tomographic examination to have a localized multilocular cystic mass in her left axillary region; the mass showed little soft tissue invasion at its periphery but no hepatic or pulmonary involvement at all. It was excised from its stalks and totally removed. The diagnosis of hydatid cyst was made by macroscopic and microscopic examination. It was highlighted by this case report that the differential diagnosis of palpable masses in axillary region should include hydatid cyst, particularly in areas where the disease is endemic. PMID- 29218211 TI - A rare anatomical variant: transosseous supraclavicular nerve identified during clavicle fracture fixation. AB - We describe a rare case of an anatomical variant of the supraclavicular nerve in the intra-operative setting of clavicle fixation for a fracture. Intra operatively it was noted that one of the supraclavicular nerves was passing through a foramen in the clavicle shaft. A 60-year-old gentleman presented with a displaced multifragmentary fracture of the left clavicle after a fall. Plate fixation with a pre-contoured locking plate was performed under general anaesthesia. The clavicle was exposed through an infraclavicular transverse incision. It was necessary to divide this transosseous nerve branch to permit appropriate plate positioning. Post-operatively the patient was left with some incisional chest numbness. Surgeons should aim to preserve the branches of the supraclavicular nerve although this may not always be possible as we have demonstrated. The patient should be warned about potential deficit. PMID- 29218212 TI - Heads up Descemet membrane endothelial keratoplasty performed using a 3D visualization system. AB - A 68-year-old female underwent Descemet membrane endothelial keratoplasty (DMEK) in her right eye using a 3D visualization system with the surgeon looking directly to a digital screen instead of through the eyepieces of the surgical microscope. The procedure was uneventful. Five weeks after the surgery the DMEK graft was in good position and totally adhered, the cornea clear and uncorrected distance visual acuity 20/50. This is the first reported case of DMEK using 3D augmented reality visualization system. It seems to offer advantages for the corneal surgeon in critical steps of the endothelial grafting procedure. PMID- 29218213 TI - Two cases of somatic-type malignancy as a very late relapse of testicular cancer successfully managed by surgical resection. AB - A late-relapse germ cell tumor might contain malignant non-germ cell tumors, known as 'somatic-type malignancy (SM)'. The development of a secondary SM is rare, and this phenomenon remains poorly understood. Case 1 developed lung metastasis 13 years after chemotherapy followed by retroperitoneal lymph node dissection for stage IIA non-seminoma. The tumor increased in size after chemotherapy. The patient underwent a pneumonectomy. Pathology revealed an adenocarcinoma with immature teratoma. The patient has experienced no relapse for 9 years. Case 2 developed a pelvic tumor after 10 years of surveillance for stage I seminoma. The tumor increased in size after chemotherapy. The patient underwent pelvic tumor resection with cystectomy. Pathology revealed a mature teratoma with SMs consisting of sarcoma and adenocarcinoma. The patient has experienced no relapse for 6 months. Surgical resection played a major role in the treatment of very late-relapse germ cell tumors with SM. PMID- 29218214 TI - Use of botulinum A toxin for proctalgia fugax-a case report of successful treatment. AB - Proctalgia fugax is considered as intermittent anal pain of unknown etiology; a variety of treatments have been used, without, however, permanent results. Injection of botulinum A toxin is recently suggested as an alternative option. We present the case of a woman presenting proctalgia fugax that was untreatable through other current forms of treatment. After two administrations of botulinum A toxin, 80 units and 100 units each, the patient remained asymptomatic on 8 month follow-up control. Botulinum A toxin injection can reduce internal anal sphincter pressure, leading to relief of symptoms, and seems a promising option with minimal morbidity in cases on proctalgia fugax that does not respond to other current treatments. PMID- 29218215 TI - Leiomyoma of round ligament mimicking an incarcerated inguinal hernia-report of a rare case. AB - Inguinal hernia is a common condition and may contain small or large bowel, omentum or other tissues. Leiomyomas of a round ligament are a rare condition occurring predominantly in premenopausal women. Abdominal, inguinal and vulvar locations have been described. Rare situations have been reported in which leiomyomas resemble to an incarcerated inguinal hernia. We describe a rare case of a leiomyoma of a round ligament in a young Caucasian female mimicking an incarcerated inguinal hernia. The treatment was surgical and we were able to remove the leiomyoma of the round ligament successfully. Leiomyoma of the round ligament is a benign tumor. Surgeons should take into consideration this condition in terms of differential diagnosis of masses that mimic an inguinal hernia. PMID- 29218216 TI - Primary low-grade endometrial stromal sarcoma arising in the vagina: report of an unusual case and literature review. AB - Endometrial stromal sarcoma rarely occurs as an extrauterine neoplasm and it is even more unlikely to be found in the vagina. To the best of our knowledge, only six cases of primary vaginal endometrial stromal sarcoma without association with endometriosis have been published to this day. We describe a case of a 58-year old female with a history of vaginal heaviness caused by a mass lesion. After a biopsy was taken, the histopathological findings and immunohistochemical stains were consistent with low-grade endometrial stromal sarcoma. The patient underwent total hysterectomy and bilateral salpingo-oophorectomy with lymph node dissection followed by hormonal therapy. This line of management was heavily based on the treatment guidelines for endometrial stromal sarcoma. PMID- 29218217 TI - Gastric band tubing-related complication during pregnancy. AB - In the past few decades, laparoscopic adjustable gastric banding is one of the most common bariatric procedures performed to treat morbid obesity. Device related complication such as connection-tubing problem is rare. Here we present a case of gastric band tubing complication during pregnancy. This case illustrates the need to maintain high index of suspicion of gastric band device-related complication during pregnancy and early referral for bariatric surgical assessment is recommended. PMID- 28435665 TI - A voltage-dependent fluorescent indicator for optogenetic applications, archaerhodopsin-3: Structure and optical properties from in silico modeling. AB - It was demonstrated in recent studies that some rhodopsins can be used in optogenetics as fluorescent indicators of membrane voltage. One of the promising candidates for these applications is archaerhodopsin-3. While it has already shown encouraging results, there is still a large room for improvement. One of possible directions is increasing the intensity of the protein's fluorescent signal. Rational design of mutants with an improved signal is an important task, which requires both experimental and theoretical studies. Herein, we used a homology-based computational approach to predict the three-dimensional structure of archaerhodopsin-3, and a Quantum Mechanics/Molecular Mechanics (QM/MM) hybrid approach with high-level multireference ab initio methodology (SORCI+Q/AMBER) to model optical properties of this protein. We demonstrated that this methodology allows for reliable prediction of structure and spectral properties of archaerhodopsin-3. The results of this study can be utilized for computational molecular design of efficient fluorescent indicators of membrane voltage for modern optogenetics on the basis of archaerhodopsin-3. PMID- 29152220 TI - Preference and willingness to pay for nutritional counseling services in urban Hanoi. AB - Background: Despite substantial achievement in reducing malnutrition rates in Vietnam, there has been an increasing rate of overweight individuals in urban areas, which may result in a high burden of non-communicable diseases. Nutritional counseling clinics have been introduced in several settings; however, little is known about the preference for this service among urban clients. This study aimed to assess the preference and willingness to pay (WTP) for nutritional counseling services among urban clients. Methods: We interviewed 429 clients who attended Hanoi Medical University Nutritional Counseling Clinic (Hanoi, Vietnam). WTP was determined using double-bounded dichotomous-choice questions and open ended questions. Results: In total, 78.6% respondents were willing to use nutritional counseling services. The mean amount of WTP for one-time service and one-year package was 96,100VND (~$4.3) and 946,400VND (~$41.9), respectively. Clients' willingness to use the service was higher among females, those seeking counseling for elderly people and those who preferred face-to-face counseling services (p<0.05). WTP was higher among those who were over 35 years old, those seeking services for the elderly people, those having poor nutritional status, and those having under-6 year old children (p<0.05). Conclusions: The preference and WTP for nutritional counseling services in urban Hanoi were relatively high. Scaling up this service is necessary to actively prevent and control the spread of non-communicable diseases. PMID- 28529710 TI - Introducing the Brassica Information Portal: Towards integrating genotypic and phenotypic Brassica crop data. AB - The Brassica Information Portal (BIP) is a centralised repository for brassica phenotypic data. The site hosts trait data associated with brassica research and breeding experiments conducted on brassica crops, that are used as oilseeds, vegetables, livestock forage and fodder and for biofuels. A key feature is the explicit management of meta-data describing the provenance and relationships between experimental plant materials, as well as trial design and trait descriptors. BIP is an open access and open source project, built on the schema of CropStoreDB, and as such can provide trait data management strategies for any crop data. A new user interface and programmatic submission/retrieval system helps to simplify data access for researchers, breeders and other end-users. BIP opens up the opportunity to apply integrative, cross-project analyses to data generated by the Brassica Research Community. Here, we present a short description of the current status of the repository. PMID- 29218223 TI - Additive effects of pCO2 and temperature on respiration rates of the Antarctic pteropod Limacina helicina antarctica. AB - The Antarctic pteropod, Limacina helicina antarctica, is a dominant member of the zooplankton in the Ross Sea and supports the vast diversity of marine megafauna that designates this region as an internationally protected area. Here, we observed the response of respiration rate to abiotic stressors associated with global change-environmentally relevant temperature treatments (-0.8 degrees C, 4 degrees C) and pH treatments reflecting current-day and future modeled extremes (8.2, 7.95 and 7.7 pH at -0.8 degrees C; 8.11, 7.95 and 7.7 pH at 4 degrees C). Sampling repeatedly over a 14-day period in laboratory experiments and using microplate respirometry techniques, we found that the metabolic rate of juvenile pteropods increased in response to low-pH exposure (pH 7.7) at -0.8 degrees C, a near-ambient temperature. Similarly, metabolic rate increased when pteropods were exposed simultaneously to multiple stressors: lowered pH conditions (pH 7.7) and a high temperature (4 degrees C). Overall, the results showed that pCO2 and temperature interact additively to affect metabolic rates in pteropods. Furthermore, we found that L. h. antarctica can tolerate acute exposure to temperatures far beyond its maximal habitat temperature. Overall, L. h. antarctica appears to be susceptible to pH and temperature stress, two abiotic stressors which are expected to be especially deleterious for ectothermic marine metazoans in polar seas. PMID- 29218224 TI - Coping with differences in snow cover: the impact on the condition, physiology and fitness of an arctic hibernator. AB - The Earth's climate is changing at an unprecedented rate and, as ecologists, we are challenged with the difficult task of predicting how individuals and populations will respond to climate-induced changes to local and global ecosystems. Although we are beginning to understand some of the responses to changing seasonality, the physiological mechanisms that may drive these responses remain unknown. Using long-term data comparing two nearby populations (<20 km apart) of free-living arctic ground squirrels in northern Alaska, we have previously shown that the timing of spring snowmelt greatly influences their phenology of hibernation and reproduction in a population and site-specific manner. Here, we integrate these site-specific phenologies with body condition, stress physiology, reproductive success and juvenile recruitment to understand phenotypic selection in the two populations. We found that at the site with relatively late spring snowmelt and early autumn snow cover: (i) adult females were larger and in better body condition but had significantly higher stress hormone levels; (ii) females had similar numbers of comparably sized offspring, but offspring had higher stress hormone levels; and (iii) offspring density was lower just prior to hibernation. Thus, adult females at the two sites appear to use different coping strategies that allow them to maintain reproductive fitness; however, marked shortening of the active season because of later snowmelt in spring and earlier snow cover in autumn may compromise juvenile recruitment. We discuss the significance of these findings within the broader context of changing animal-environment relationships. PMID- 29057070 TI - Tourette syndrome research highlights from 2016. AB - This article presents highlights chosen from research that appeared during 2016 on Tourette syndrome and other tic disorders. Selected articles felt to represent meaningful advances in the field are briefly summarized. PMID- 29218226 TI - Hamman's syndrome in diabetic ketoacidosis. AB - : Hamman's syndrome (spontaneous subcutaneous emphysema and pneumomediastinum) is a rare complication of diabetic ketoacidosis (DKA), with a multifactorial etiology. Awareness of this syndrome is important: it is likely underdiagnosed as the main symptom of shortness of breath is often attributed to Kussmaul's breathing and the findings on chest radiograph can be subtle and easily missed. It is also important to be aware of and consider Boerhaave's syndrome as a differential diagnosis, a more serious condition with a 40% mortality rate when diagnosis is delayed. We present a case of pneumomediastinum, pneumopericardium, epidural emphysema and subcutaneous emphysema complicating DKA in an eighteen year-old patient. We hope that increasing awareness of Hamman's syndrome, and how to distinguish it from Boerhaave's syndrome, will lead to better recognition and management of these syndromes in patients with diabetic ketoacidosis. Learning points: Hamman's syndrome (spontaneous subcutaneous emphysema and pneumomediastinum) is a rare complication of DKA.Presentation may be with chest or neck pain and shortness of breath, and signs are subcutaneous emphysema and Hamman's sign - a precordial crunching or popping sound during systole.Boerhaave's syndrome should be considered as a differential diagnosis, especially in cases with severe vomiting.The diagnosis of pneumomediastinum is made on chest radiograph, but a CT thorax with water-soluble oral contrast looking for contrast leak may be required if there is high clinical suspicion of Boerrhave's syndrome.Hamman's syndrome has an excellent prognosis, self-resolving with the correction of the ketoacidosis in all published cases in the literature. PMID- 29218225 TI - The gill parasite Paramoeba perurans compromises aerobic scope, swimming capacity and ion balance in Atlantic salmon. AB - The parasitic amoeba Paramoeba perurans is an aetiological agent of amoebic gill disease (AGD), a serious problem in seawater salmonid aquaculture globally. Other finfish species are also infected and infection events may be associated with periods of unusual high temperatures. Currently little is known about the impact of AGD on wild fish, but in a time with global warming and increasing aquaculture production this potential threat could be on the rise. A better understanding of the pathophysiology of infected fish is therefore warranted. In this study, groups of Atlantic salmon with and without AGD were tested in a large swim tunnel respirometer in seawater at 13 degrees C to assess oxygen uptake, swimming capacity and blood parameters. Standard metabolic rates were similar between groups, but the maximum rate of oxygen uptake was drastically reduced in infected fish, which resulted in a smaller aerobic scope (AS) of 203 mg O2 kg-1 h-1 compared to 406 mg O2 kg-1 h-1 in healthy fish. The critical swimming speed was 2.5 body lengths s-1 in infected fish and 3.0 body lengths s-1 in healthy ones. Furthermore, AGD fish had lower haematocrit and [haemoglobin], but similar condition factor compared to healthy fish. Prior to swim trials infected fish had higher plasma osmolality, elevated plasma [Na+], [Cl-] and [cortisol], indicating reduced capacity to maintain ionic homoeostasis as well as chronic stress during routine conditions. These results demonstrate that AGD compromises gill function both in terms of gas exchange and ion regulation, and consequently the capacity for aerobic activity is reduced. Reduced AS due to the P. perurans infections is likely to interfere with appetite, growth and overall survival, even more so in the context of a warmer and more hypoxic future. PMID- 29188015 TI - A multi-disciplinary perspective on emergent and future innovations in peer review. AB - Peer review of research articles is a core part of our scholarly communication system. In spite of its importance, the status and purpose of peer review is often contested. What is its role in our modern digital research and communications infrastructure? Does it perform to the high standards with which it is generally regarded? Studies of peer review have shown that it is prone to bias and abuse in numerous dimensions, frequently unreliable, and can fail to detect even fraudulent research. With the advent of web technologies, we are now witnessing a phase of innovation and experimentation in our approaches to peer review. These developments prompted us to examine emerging models of peer review from a range of disciplines and venues, and to ask how they might address some of the issues with our current systems of peer review. We examine the functionality of a range of social Web platforms, and compare these with the traits underlying a viable peer review system: quality control, quantified performance metrics as engagement incentives, and certification and reputation. Ideally, any new systems will demonstrate that they out-perform and reduce the biases of existing models as much as possible. We conclude that there is considerable scope for new peer review initiatives to be developed, each with their own potential issues and advantages. We also propose a novel hybrid platform model that could, at least partially, resolve many of the socio-technical issues associated with peer review, and potentially disrupt the entire scholarly communication system. Success for any such development relies on reaching a critical threshold of research community engagement with both the process and the platform, and therefore cannot be achieved without a significant change of incentives in research environments. PMID- 29218227 TI - Lessons learnt from a case of missed central hypothyroidism. AB - : We present the case of a 57-year-old lady who had a delayed diagnosis of central hypothyroidism on a background of Grave's thyrotoxicosis and a partial thyroidectomy. During the twenty years following her partial thyroidectomy, the patient developed a constellation of symptoms and new diagnoses, which were investigated by numerous specialists from various fields, namely rheumatology, renal and respiratory. She developed significantly impaired renal function and raised creatine kinase (CK). She was also referred to a tertiary neurology service for investigation of myositis, which resulted in inconclusive muscle biopsies. Recurrently normal TSH results reassured clinicians that this did not relate to previous thyroid dysfunction. In 2015, she developed increased shortness of breath and was found to have a significant pericardial effusion. The clinical biochemist reviewed this lady's blood results and elected to add on a free T4 (fT4) and free T3 (fT3), which were found to be <0.4 pmol/L (normal range (NR): 12-22 pmol/L) and 0.3 pmol/L (NR: 3.1-6.8 pmol/L), respectively. She was referred urgently to the endocrine services and commenced on Levothyroxine replacement for profound central hypothyroidism. Her other pituitary hormones and MRI were normal. In the following year, her eGFR and CK normalised, and her myositis symptoms, breathlessness and pericardial effusion resolved. One year following initiation of Levothyroxine, her fT4 and fT3 were in the normal range for the first time. This case highlights the pitfalls of relying purely on TSH for excluding hypothyroidism and the devastating effect the delay in diagnosis had upon this patient. Learning points: Isolated central hypothyroidism is very rare, but should be considered irrespective of previous thyroid disorders.If clinicians have a strong suspicion that a patient may have hypothyroidism despite normal TSH, they should ensure they measure fT3 and fT4.Laboratories that do not perform fT3 and fT4 routinely should review advice sent to requesting clinicians to include a statement explaining that a normal TSH excludes primary but not secondary hypothyroidism.Thyroid function tests should be performed routinely in patients presenting with renal impairment or a raised CK. PMID- 29218228 TI - Similar adverse events from two disparate agents implicate lipid inflammatory mediators for a role in anxiety states. AB - We recently reported a case in which a 54-year-old male experienced maintenance insomnia, generalized anxiety and panic symptoms associated with consumption of a fish oil supplement enriched in eicosapentaenoic acid (EPA). We report here that the same patient has experienced identical but more severe symptoms in response to the use of the leukotriene receptor antagonist montelukast, in accordance with other cases reported to the Food and Drug Administration. Since omega-3 fatty acids like EPA are precursors for the biosynthesis of eicosanoids including leukotrienes, a common factor to these psychiatric adverse events may be perturbations in this highly complex system of lipid inflammatory mediators. PMID- 29218229 TI - The role of arthroereisis of the subtalar joint for flatfoot in children and adults. AB - Subtalar arthroereisis has been reported as a minimally-invasive, effective and low-risk procedure in the treatment of flatfoot mainly in children but also in adults.It has been described as a standalone or adjunctive procedure, and is indicated in the treatment of flexible flatfoot, tibialis posterior tendon dysfunction, tarsal coalition and accessory navicular syndrome.Different devices for subtalar arthroereisis are currently used throughout the world associated with soft-tissue and bone procedures, depending on the surgeon rather than on standardised or validated protocols.Sinus tarsi pain is the most frequent complication, often requiring removal of the implant.To date, poor-quality evidence is available in the literature (Level IV and V), with only one comparative non-randomised study (Level II) not providing strong recommendations. Long-term outcome and complication rates (especially the onset of osteoarthritis) are still unclear. Cite this article: EFORT Open Rev 2017;2:438-446. DOI: 10.1302/2058-5241.2.170009. PMID- 29218231 TI - Indications for hydrodilatation for frozen shoulder. AB - Frozen shoulder causes significant functional disability and pain in a population group constituted by patients who are often middle-aged and working.Frozen shoulder remains poorly understood. The available literature is limited and often prone to bias.A rapid, non-surgical and cost-effective treatment that reduces pain and restores function is an attractive option.Hydrodilatation is a potential first-line treatment of frozen shoulder in secondary care. Cite this article: EFORT Open Rev 2017;2:462-468. DOI: 10.1302/2058-5241.2.160061. PMID- 29218232 TI - The role of neurectomy in the management of spasticity of the upper limb. AB - Neurectomy is one of the treatments available to the surgeon treating patients with spasticity of the upper limb.Its popularity has increased in recent years.Accurate knowledge of the anatomical variations of the terminal branches to the muscles is required in order to achieve a successful outcome.Although the anatomy has been thoroughly studied, there are still controversies regarding the percentage of the nerve to be resected for a successful result, and also regarding the terminology that has been used in the literature to describe the procedure.The literature for neurectomies for the upper limb is reviewed and an agreement regarding terminology is proposed. Cite this article: EFORT Open Rev 2017;2:469-473. DOI: 10.1302/2058-5241.2.160074. PMID- 29218230 TI - Spondylodiscitis revisited. AB - Spondylodiscitis may involve the vertebral bodies, intervertebral discs, paravertebral structures and spinal canal, with potentially high morbidity and mortality rates.A rise in the susceptible population and improved diagnosis have increased the reported incidence of the disease in recent years.Blood cultures, appropriate imaging and biopsy are essential for diagnosis and treatment.Most patients are successfully treated by conservative means; however, some patients may require surgical treatment.Surgical indications include doubtful diagnosis, progressive neurological deficits, progressive spinal deformity, failure to respond to treatment, and unresolved pain. Cite this article: EFORT Open Rev 2017;2:447-461. DOI: 10.1302/2058-5241.2.160062. PMID- 29218235 TI - Experimental Validation of the Pseudo-Rigid-Body Model of the MRI-Actuated Catheter. AB - An MRI-actuated catheter is a novel robotic catheter system that utilizes the MRI for both remote steering and visualization for catheter ablation of atrial fibrillation. Planning and control of the catheter requires a sufficiently fast yet accurate model of the catheter. The pseudo-rigid-body (PRB) model offers a reasonable trade-off between speed and accuracy by approximating the continuum catheter as rigid links connected by flexible joints, thus reducing the infinite degrees of freedom of the continuum mechanism to a finite one. In this paper, a PRB model of the MRI-actuated catheter is validated experimentally by comparing the deflections of the PRB model with the deflections of the catheter prototype. PMID- 29218233 TI - Targeted Delivery of siRNA Therapeutics to Malignant Tumors. AB - Over the past 20 years, a diverse group of ligands targeting surface biomarkers or receptors has been identified with several investigated to target siRNA to tumors. Many approaches to developing tumor-homing peptides, RNA and DNA aptamers, and single-chain variable fragment antibodies by using phage display, in vitro evolution, and recombinant antibody methods could not have been imagined by researchers in the 1980s. Despite these many scientific advances, there is no reason to expect that the ligand field will not continue to evolve. From development of ligands based on novel or existing biomarkers to linking ligands to drugs and gene and antisense delivery systems, several fields have coalesced to facilitate ligand-directed siRNA therapeutics. In this review, we discuss the major categories of ligand-targeted siRNA therapeutics for tumors, as well as the different strategies to identify new ligands. PMID- 29218236 TI - PSMB5 plays a dual role in cancer development and immunosuppression. AB - Tumor progression and metastasis are dependent on the intrinsic properties of tumor cells and the influence of microenvironment including the immune system. It would be important to identify target drug that can inhibit cancer cell and activate immune cells. Proteasome beta subunits (PSMB) family, one component of the ubiquitin-proteasome system, has been demonstrated to play an important role in tumor cells and immune cells. Therefore, we used a bioinformatics approach to examine the potential role of PSMB family. Analysis of breast TCGA and METABRIC database revealed that high expression of PSMB5 was observed in breast cancer tissue and that high expression of PSMB5 predicted worse survival. In addition, high expression of PSMB5 was observed in M2 macrophages. Based on our bioinformatics analysis, we hypothesized that PSMB5 contained immunosuppressive and oncogenic characteristics. To study the effects of PSMB5 on the cancer cell and macrophage in vitro, we silenced PSMB5 expression with shRNA in THP-1 monocytes and MDA-MB-231 cells respectively. Knockdown of PSMB5 promoted human THP-1 monocyte differentiation into M1 macrophage. On the other hand, knockdown PSMB5 gene expression inhibited MDA-MB-231 cell growth and migration by colony formation assay and boyden chamber. Collectively, our data demonstrated that delivery of PSMB5 shRNA suppressed cell growth and activated defensive M1 macrophages in vitro. Furthermore, lentiviral delivery of PSMB5 shRNA significantly decreased tumor growth in a subcutaneous mouse model. In conclusion, our bioinformatics study and functional experiments revealed that PSMB5 served as novel cancer therapeutic targets. These results also demonstrated a novel translational approach to improve cancer immunotherapy. PMID- 29218234 TI - The emerging role of zinc transporters in cellular homeostasis and cancer. AB - Zinc is an essential micronutrient that plays a role in the structural or enzymatic functions of many cellular proteins. Cellular zinc homeostasis involves the opposing action of two families of metal transporters: the ZnT (SLC30) family that functions to reduce cytoplasmic zinc concentrations and the ZIP (SLC39) family that functions to increase cytoplasmic zinc concentrations. Fluctuations in intracellular zinc levels mediated by these transporter families affect signaling pathways involved in normal cell development, growth, differentiation and death. Consequently, changes in zinc transporter localization and function resulting in zinc dyshomeostasis have pathophysiological effects. Zinc dyshomeostasis has been implicated in the progression of cancer. Here we review recent progress toward understanding the structural basis for zinc transport by ZnT and ZIP family proteins, as well as highlight the roles of zinc as a signaling molecule in physiological conditions and in various cancers. As zinc is emerging as an important signaling molecule in the development and progression of cancer, the ZnT and ZIP transporters that regulate cellular zinc homeostasis are promising candidates for targeted cancer therapy. PMID- 29218237 TI - Increased miR-21a provides metabolic advantages through suppression of FBP1 expression in non-small cell lung cancer cells. AB - Lung cancer is the most common solid tumor and the leading cause of cancer related mortality worldwide. miR-21 is one of the most commonly observed aberrant miRNAs in human cancers. However, the biological roles of miR-21 in glucose metabolism of non-small cell lung cancer (NSCLC) cells remain unknown. In the present study, our findings demonstrated that miR-21 promoted glucose uptake and increased TXNIP expression. miR-21 increased lactate generation and decreased oxygen consumption in NSCLC cells. Moreover, we found that miR-21 promoted glycolysis and decreased OXPHOS. Mechanistically, fructose-1,6-biphosphatase (FBP1) was a direct target of miR-21 and observed a negative correlation between miR-21 and FBP1 in NSCLC samples. Restoring FBP1 expression reversed the effects induced by miR-21 overexpression in NSCLC cells. Together, our findings suggest the critical role of miR-21 in glucose metabolism through suppression of FBP1 in NSCLC cells. miR-21 may be a potential target of NSCLC treatment. PMID- 29218238 TI - MicroRNA-936 induces cell cycle arrest and inhibits glioma cell proliferation by targeting CKS1. AB - Accumulating evidence shows that microRNAs play important roles in cancers, including glioma. MiRNAs have been shown to participate in a variety of cellular functions including cell apoptosis, cell proliferation, neural development, and stem cell differentiation. Previous studies reported that miR-936 levels were downregulated in glioma specimens. Here, we further investigate the potential role of miR-936 in glioma. Quantitative reverse transcription-PCR was applied to detect the expression of mir-936 in glioma specimens. The direct targets of miR 936 were identified by bioinformatics analysis and were further validated by immunoblotting and luciferase reporter assay. The effects of miR-936 on glioma cell proliferation and cell cycle of glioma cells were analyzed by Cell-Counting Kit 8 assay, colony formation, 5-ethynyl-2-deoxyuridine (EDU) and flow cytometry assays. A xenograft model was used to study the effect of miR-936 on tumor growth and angiogenesis. Expression levels of miR-936 were greatly downregulated in glioma specimens, CKS1 was confirmed as a direct target of miR-936. The glioma cell cycle was blocked to G1 by negatively regulating CKS1 and its downstream signaling pathway, Akt-ERK1/2. Furthermore, overexpression of CKS1 rescued the inhibitory effects of miR-936. In vivo studies revealed that increased levels of miR-936 delayed the growth of tumors. Taken together, mir-936 may act as a glioma suppressor by targeting CKS1. PMID- 29218239 TI - CSF-1R regulates non-small cell lung cancer cells dissemination through Wnt3a signaling. AB - Therapeutic antibodies targeting colony stimulating factor 1 receptor (CSF-1R) to block colony stimulating factor-1/colony stimulating factor 1 receptor (CSF-1/CSF R) signaling axis have exhibit remarkable efficacy in the treatment of malignant tumor. Yet, little is known about the effects of intrinsic CSF-1R in human non small-cell carcinoma (NSCLC). Here we demonstrated that NSCLC cell-intrinsic CSF 1R promoted cells growth and metastasis both in vitro and in vivo. CSF-1R knocked down by transfecting with shRNA target CSF-1R suppressed NSCLC cells proliferation and tumor growth in nude mice. Conversely, ectopic expression of CSF-1R promoted cells proliferation and accelerated tumor growth. Mechanistically, the NSCLC CSF-1R modulated downstream effectors of phosphatidylinositol 3-kinase (PI3K) signaling. In addition, CSF-1R overexpression significantly enhanced NSCLC cells mobility, invasion and epithelial-mesenchymal transition (EMT) process, whereas silencing CSF-1R inhibits these phenotypes. Microarray analysis suggested that Wnt family member 3a (Wnt3a) function as a downstream factor of CSF-1R. On account of this, we future identified CSF-1R/Wnt3a a signaling pathway sustained NSCLC cells metastasis. Finally, in patients, CSF-1R and Wnt3a expression positively correlated with the of NSCLC patients. Our results identify NSCLC cell intrinsic functions of CSF-1R/Wnt3a axis in dissemination of NSCLC. PMID- 29218240 TI - The long noncoding RNA LINC00473, a target of microRNA 34a, promotes tumorigenesis by inhibiting ILF2 degradation in cervical cancer. AB - Cervical cancer is one of the most common gynecological malignancies in women worldwide. The long non-coding RNA (lncRNA) LINC00473 is increased in some human cancer tissues and it plays important roles in tumorigenesis. However, neither the expression pattern nor the biological functions of LINC00473 have been elucidated in cervical cancer so far. In the present study, gain- and loss-of function assays showed that LINC00473 promoted cell proliferation and inhibited cell apoptosis in cervical cancer cells in vitro. Moreover, we found that LINC00473 enhanced the growth of cervical cancer cells in vivo. Mechanistic investigation showed that LINC00473 directly interacted with ILF2 and suppressed its degradation. Finally, we demonstrated that miR-34a reduced the stability of LINC00473. These findings may have important implications for developing novel therapeutic strategies for cervical cancer. PMID- 29218241 TI - Reticulocalbin 2 correlates with recurrence and prognosis in colorectal cancer. AB - Reticulocalbin (RCN) family members could play oncogenic roles in human malignancies and facilitate tumor cell proliferation and metastasis. However, the expression pattern and potential function of Reticulocalbin 2 (RCN2) in colorectal cancer has not been addressed yet. In the present study, we investigated the protein expression of RCN2 by immunohistochemistry assay, and analyzed its association with tumor progression, recurrence and prognosis in 326 cases of patients. Results suggested that the expression of RCN2 was up-regulated in colorectal cancer compared with paired adjacent nontumor specimens. RCN2 expression was closely related to tumor size and the depth of invasion. Kaplan Meier analysis proved that RCN2 was associated with both disease-free survival and overall survival of patients with colorectal cancer. Moreover, cox's proportional hazards analysis showed that high RCN2 expression was an independent prognostic marker of poor outcome. Consistently, overexpressing RCN2 promoted CRC cell proliferation both in vitro and in vivo and knockdown RCN2 showed the opposite results. These results provided the first evidence that RCN2 level was increased in colorectal cancer and significantly correlated with tumor growth and proliferation. It also indicated that RCN2 might serve as a potential marker of tumor recurrence and prognosis of colorectal cancer. PMID- 29218242 TI - Long noncoding RNA lncBRM facilitates the proliferation, migration and invasion of ovarian cancer cells via upregulation of Sox4. AB - Ovarian cancer (OC) is one of the most fatal gynecological cancer in women worldwide. Long noncoding RNA (lncRNA) lncBRM was found to be associated with the progression and prognosis of hepatocellular carcinoma (HCC). However, the expression level, clinical significance and functions in OC tumorigenesis and progression remain unclear. Our present research demonstrated that lncBRM expression was significantly increased in OC tissues. Upregulation of lncBRM expression was correlated with histological grade, FIGO stages, lymph node metastasis and poor prognosis of patients with OC. Functional assays showed that lncBRM positively regulated cell proliferation, migration and invasion in OC. Moreover, lncBRM upregulated Sox4 by competitively binding miR-204. Together, lncBRM functions as an oncogene in OC and can be a promising therapeutic target for OC treatment. PMID- 29218243 TI - Elevated HBXIP expression is associated with aggressive phenotype and poor prognosis in esophageal squamous cell carcinoma. AB - The oncoprotein hepatitis B virus X-interacting protein (HBXIP) has been suggested to play an essential role in several malignancies. However, the clinicopathological significance and prognostic value of HBXIP expression in esophageal squamous cell carcinoma (ESCC) is still unknown. Therefore the aim of this study was to characterize HBXIP expression and its prognostic value in ESCC. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot were performed to assess the mRNA and protein expression of HBXIP in ESCC tissues and cell lines. Immunohistochemistry (IHC) was conducted to characterize the expression pattern of HBXIP in 152 archived paraffin-embedded ESCC and matched nontumorous tissues. The mRNA and protein expression of HBXIP in ESCC tissues was significantly higher than those in adjacent nontumorous tissues. High HBXIP expression was associated with histological grade (P=0.016), depth of tumor invasion (P=0.012), lymph node metastasis (P<0.001) and TNM stage (P=0.002). Kaplan-Meier analysis indicated that ESCC patients with high HBXIP expression had poor disease-free survival (DFS) and overall survival (OS). Furthermore, multivariate Cox regression analyses demonstrated that HBXIP expression remained an independent prognostic factor for DFS and OS. Collectively, our present study demonstrated that HBXIP may be a candidate molecular prognostic marker for ESCC. PMID- 29218244 TI - Exosomal TGF-beta1 is correlated with lymphatic metastasis of gastric cancers. AB - Exosomes are nano-vesicles transporting bioactive material between cells. This study explored the prognostic association of exosomal TGF-beta1 with lymph node (LN) metastasis of gastric cancer (GC). TGF-beta1 expressions in the exosomes isolated from the gastroepiploic veins of 61 GC patients analyzed by ELISA. The regulatory T (Treg) cells in celiac LNs of gastric cancer analyzed by immunohistochemistry. Exosomal TGF-beta1 expression and the ratio of Treg cells in draining LNs were both significantly associated with pathological stages and LN metastasis of gastric cancer. Besides, the exosomal TGF-beta1 expression and Treg proportion in LN were also significantly correlated in gastric cancer patients. Recombinant TGF-beta1 and exosomes isolated from GC patients were used to induce FOXP3+ Treg cells from naive T cells in vitro. Compared to the control, recombinant TGF-beta1 induced more CD25 (41%), FOXP3 (19%) and CTLA-4 (47%), while reduced CD45RA expression by 38% in primary naive T cell cultures (p<0.01). Exosomes treatment induced more CD25 and 45% higher CTLA-4 expression, and increased 29% higher of CD45RA-negative cells than recombinant TGF-beta1 did (p<0.01). Adding TGF-beta1 neutralizing antibody partially abrogated the effects of exosomes on Treg induction. Our study showed exosomal TGF-beta1 related to lymph node metastasis and the ratio of Treg cells in lymph nodes of gastric cancers. Exosomes from gastric cancer patients could induce Treg cells formation through the effect of TGF-beta1. PMID- 29218245 TI - Expression of miR-149-3p inhibits proliferation, migration, and invasion of bladder cancer by targeting S100A4. AB - MicroRNAs play key roles during various crucial cell processes, such as proliferation, migration, and invasion. In addition, microRNAs have been shown to possess oncogenic and tumor suppressive functions in human cancers. Increasing evidence has clarified that miR-149-3p, a novel cancer-related microRNA, plays an important role in suppression of proliferation, migration, and invasion; however, the effect and mechanisms underlying the miR-149-3p effect in bladder cancer (BCa) remain unclear. In the current study we found that the increased expression of miR-149-3p significantly suppressed cell proliferation, migration, and invasion ability in BCa. The suppressive effect was related to S100A4. A further investigation showed that miR-149-3p negatively regulated S100A4, as verified by the luciferase reporter assay. Furthermore, our study showed that S100A4 mediated the anti-metastatic effects of miR-149-3p on proliferation, migration, and invasion of BCa cells. Analysis of a xenograft mouse model showed that miR-149-3p expression significantly decreased tumor growth by targeting S100A4. Taken together, these data indicate that S100A4 promotes cell growth, migration, and invasion and can by reversed by miR-149-3p in BCa. PMID- 29218246 TI - Angiopoietin-like protein 2 facilitates non-small cell lung cancer progression by promoting the polarization of M2 tumor-associated macrophages. AB - The functional phenotypes (M1 and M2) of tumor-associated macrophages (TAMs) are influenced by the tumor microenvironment (TME) and contribute greatly to the development of non-small cell lung cancer (NSCLC). However, the molecular mechanisms for TAM polarization remain unclear. Angiopoietin-like protein 2 (Angptl2) is involved in tumor progression. In this study, Angptl2 expression was aberrantly increased in NSCLC cells and positively correlated with TAM infiltration, tumor size and poor patient survival. Moreover, in vitro tumor cell macrophage co-culture and recombinant protein stimulation revealed that Angptl2 fostered the M2 polarization of TAMs through the p65 nuclear factor-kappa B (NF KB) pathway. In addition, Angptl2-promoted TAM enhanced proliferation, invasion, and migration of NSCLC cells and the tube formation of human umbilical vein endothelial cells (HUVECs). In vivo, TAM depletion inhibited the tumor growth induced by Angptl2. Here, for the first time, we determined that Angptl2 promoted the M2 polarization of TAMs and enhanced NSCLC progression. Interfering with Angptl2 might be an effective strategy for reprogramming TAM polarization in NSCLC, providing a promising therapy for NSCLC treatment. PMID- 29218247 TI - AKIP1 promoted epithelial-mesenchymal transition of non-small-cell lung cancer via transactivating ZEB1. AB - Non-small-cell lung cancer (NSCLC) is one of the leading death-related malignancies worldwide with elusive molecular mechanisms. A-kinase interacting protein 1 (AKIP1) is an important regulator controlling metastasis, lymphangiogenesis and angiogenesis. However, the role of AKIP1 in NSCLC progression is still little known. Here, we found that AKIP1 was overexpressed in NSCLC specimens as well as cell lines. Overexpression of AKIP1 in NSLCC tissues was positively correlated with TNM stage, lymph node metastasis and poor prognosis. Knockdown of AKIP1 inhibited NSCLC cell migration, invasion and epithelial-mesenchymal transition (EMT), as indicated by the up-regulation of mesenchymal markers (fibronectin and vimentin) and down-regulation of epithelial marker E-cadherin, whereas overexpression of AKIP1 showed the opposite effects. Moreover, AKIP1 transactivated Zinc Finger E-Box Binding Homeobox 1 (ZEB1) expression via directly binding to ZEB1 promoter, thereby leading to E-cadherin transcriptional repression. Additionally, we observed that the binding efficiency of AKIP1 within ZEB1 promotor was determined by the interaction between AKIP1 and SP1. In conclusion, AKIP1 promoted EMT of NSCLC via transactivating ZEB1, suggesting AKIP1 as a potential therapeutic target. PMID- 29218248 TI - Propafenone suppresses esophageal cancer proliferation through inducing mitochondrial dysfunction. AB - Esophageal squamous cell carcinoma (ESCC) is one of the most common malignant tumors with poor survival and limited therapeutic options. The aim of this study is to identify novel anticancer strategies from existing Food and Drug Administration (FDA)-approved drugs that have been used to clinically treat other diseases. Here, propafenone, an antiarrhythmic medication, was found to induce apoptosis and exert a significantly inhibitory effect on the proliferation and colony-forming ability of ESCC cells in a dose-dependent manner without observed cytotoxicity on normal esophageal epithelial cells. Furthermore, propafenone markedly suppressed growth of tumor xenografts in nude mice by reducing the Ki-67 proliferation index and angiogenesis but did not damage the vital organs of the animals. Mechanistically, our data from the proteomics, Western blot and flow cytometry analyses demonstrated that propafenone caused mitochondrial dysfunction as indicated by a decreased mitochondrial membrane potential and reduced expression of Bcl-xL and Bcl-2. In summary, this study provides the first evidence that propafenone, an FDA-approved drug to treat arrhythmias, could be a novel therapeutic strategy for treating ESCC without obvious side effects. PMID- 29218249 TI - Pericellular regulation of prostate cancer expressed kallikrein-related peptidases and matrix metalloproteinases by cell surface serine proteases. AB - We provide evidence of a pericellular network of proteases that are elevated and co-expressed in prostate cancer. The network involves the membrane bound serine proteases hepsin and TMPRSS2, the secreted kallikrein-related peptidases KLK4 and KLK14, and the secreted matrix metalloproteinases MMP-3 and MMP-9. Western blot analysis of cell lysates, conditioned cell culture media, immunoprecipitates and cell surface proteins, demonstrates a network of interactions centred largely at the plasma membrane, with the Arg/Lys specific proteases hepsin and TMPRSS2 key regulators of the network. Our data demonstrate that like TMPRSS2, hepsin is able to autoactivate. Active hepsin degrades KLK4, generating a cell associated degradation product with corresponding reduction in levels of cell-free KLK4. In contrast hepsin activates KLK14. TMPRSS2 appears to cleave amino terminal to the KLK4 activation site such that it is available for further processing to generate the active KLK4 protease. In contrast with hepsin, TMPRSS2 degrades KLK14. In addition to these direct mechanisms of regulation, hepsin and TMPRSS2 indirectly modulate KLK4 activity by cleaving the KLK4-activating protease MMP-3. Hepsin and TMPRSS2 also activate MMP-9, which similar to MMP-3, associates with the cell surface. Interestingly our data also show that proteolysis occurs between the membrane spanning and catalytic domains of hepsin and TMPRSS2. Hepsin cleavage occurs via an autoproteolytic mechanism, whereas TMPRSS2 cleavage is mediated by KLK14. Hepsin and TMPRSS2 are not shed from the cell surface but proteolysis likely disrupts domains that regulate the proteolytic activity of these proteases. Immunocytochemical analyses demonstrate that hepsin and TMPRSS2 colocalize on the cell surface with the secreted serine proteases KLK4 and KLK14, only in membrane protrusions, suggesting that reciprocal proteolytic interactions occur in defined cellular structures that are important during cancer dissemination for cell migration, invasion and survival. Also of note, immunohistochemical analysis of serial sections of prostate tumor demonstrated significant overlapping expression of the six proteases in vivo. Collectively these data suggest the possibility that the novel proteolytic network identified by us, will be most important during active dissemination of prostate cancers, and that its disruption could inhibit metastasis. PMID- 29218251 TI - Overexpression of CST4 promotes gastric cancer aggressiveness by activating the ELFN2 signaling pathway. AB - Gastric cancer is one of the most lethal malignancies of gastrointestinal cancer and its prognosis remains dismal because of the paucity of effective therapeutic targets. Here, we show that cystatin 4 (CST4) is markedly upregulated in gastric cancer cell lines and clinical tissues. Ectopic expression of CST4 in gastric cancer cells promoted proliferation, migration, and invasion of gastric cancer cells in vitro. Furthermore, CST4 overexpression significantly promoted the tumorigenicity of gastric cancer cells in vivo, whereas silencing endogenous CST4 caused an opposite outcome. In addition, extracellular leucine rich repeat and fibronectin type III domain containing 2 (ELFN2) was identified as a downstream target of CST4 in gastric cancer cells and was positively correlated with ELFN2 expression in gastric cancer tissues. Finally, we demonstrated that CST4 enhanced gastric cancer aggressiveness by regulating ELFN2 signaling. Together, our results provide new evidence that CST4 overexpression promotes the progression of gastric cancer and might represent a novel therapeutic target for its treatment. PMID- 29218250 TI - Evaluation of the role of downregulation of SNF5/INI1 core subunit of SWI/SNF complex in clear cell renal cell carcinoma development. AB - Clear cell renal cell carcinoma (ccRCC) is characterized by stabilization of hypoxia-inducible factor (HIF1), and mutations in von Hippel-Lindau (VHL) gene. Additionally, in about 40% of ccRCC cases the mutation in PBRM1 (POLYBROMO1) gene coding for a non-core subunit of SWI/SNF chromatin remodeling complex was found suggesting potential impairment of this complex function in ccRCC. In this study we assessed the extent to which the core SWI/SNF complex subunit - INI1 (hSNF5/SMARCB1) is affected in ccRCC and whether it has any consequences on the development of this type of cancer. The evaluation of INI1 protein level in samples from 50 patients with diagnosed ccRCC, including three displaying rhabdoid features, showed the INI1 positive staining in rhabdoid cells while the conventional ccRCC cells exhibited reduced INI1 level. This indicated the rhabdoid component of ccRCC as distinct from other known rhabdoid tumors. The reduced INI1 protein level observed in all conventional ccRCC cases used in this study correlated with decreased SMARCB1 gene expression at the transcript level. Consistently, the overexpression of INI1 protein in A498 ccRCC cell line resulted in the elevation of endogenous SMARCB1 transcript level indicating that the INI1 dependent regulatory feedback loop controlling expression of this gene is affected in ccRCC Moreover, the set of INI1 target genes including i.e. CXCL12/CXCR7/CXCR4 chemokine axis was identified to be affected in ccRCC. In summary, we demonstrated that the inactivation of INI1 may be of high importance for ccRCC development and aggressiveness. PMID- 29218252 TI - miR-145 targets the SOX11 3'UTR to suppress endometrial cancer growth. AB - To explore the functions of SOX (Sex determining Region Y-related HMG-box) family genes in endometrial cancer (EC) and determine the influence of miR-145/SOX11 on EC cell functions. The relationship between miR-145 and SOX11 was confirmed using TargetScan, miRNA databases and dual-luciferase reporter gene assays. The expression of SOX11 mRNA in tissue specimens was examined using RT-qPCR, while SOX11 protein expression in tissues and cell lines were detected through immunohistochemistry (IHC) and western blotting. After transfection using Lipofectamine 2000, the proliferation, migration, invasion and apoptosis of ECC-1 and HEC-1-A cells were assessed through colony formation, transwell and flow cytometry assays. The correlation of SOX11 expression with the prognosis outcomes of patients was analyzed using Kaplan-Meier analysis and the log-rank test. SOX11 showed high expression in EC, which is negatively correlated with a poor prognostic outcome of EC patients. The expression of miR-145 was lower in EC tissues than in adjacent tissues. MiR-145 significantly reduced the expression of SOX11. In ECC-1 cells, miR-145 suppressed the propagation, migration, and invasion of cells and promoted cell apoptosis. MiR-145 also inhibited the proliferation, migration, and invasion of HEC-1-A cells and facilitated cell apoptosis by inhibiting SOX11. MiR-145 targeted site 3 (3615) of the SOX11 3'UTR to affect the expression of SOX11. MiR-145 and its target gene SOX11 could serve as diagnostic markers for EC. MiR-145 targets the SOX11 3'UTR to inhibit its expression and suppress the propagation and metastasis of EC cells. PMID- 29218253 TI - Clinical applications of urinary cell-free DNA in cancer: current insights and promising future. AB - Liquid biopsy is gaining significant attention as a tool for unveiling the molecular landscape of tumor and holds great promise for individualized medicine for cancer. Cell-free DNA serves as an extremely important component of liquid biopsy for cancer, and cell-free DNA in urine is even promising due to the remarkable advantage of urine as an ultra-noninvasive sample source over tissue and blood. Compared with the widely studied cell-free DNA in blood, less is known about the role of urinary cell-free DNA. Urinary cell-free DNA has the ability to give comprehensive and crucial information on cancer as it carries genetic messages from cells shedding directly into urine as well as transporting from circulation. As an indispensable component of liquid biopsy, urinary cell-free DNA is believed to have the potential of being a useful and ultra-noninvasive tool for cancer screening, diagnosis, prognosis, and monitoring of cancer progression and therapeutic effect. In this review, we provide the current insights into the clinical applications of urinary cell-free DNA in cancer. We also introduce the basic biological significance and some technical issues in the detection of urinary cell-free DNA. PMID- 29218254 TI - Bone microenvironment has an influence on the histological response of osteosarcoma to chemotherapy: retrospective analysis and preclinical modeling. AB - Osteosarcoma, the most common malignant primary bone tumor, is currently treated with chemotherapy and surgery. The effectiveness of chemotherapy is evaluated by means of histological analysis of tumor necrosis, known as "the Huvos score". However, 25% of the patients initially considered good responders will relapse. In our practice, strong tissue heterogeneity around the residual viable cells of the osteosarcoma is observed, but this is not taken into account by the Huvos score, as it is only an average. The objective is to determine whether heterogeneity in the osteosarcoma's microenvironment can play a role in the histological response to chemotherapy. Two complementary approaches have been developed: (i) the therapeutic response to several monotherapies (ifosfamide, cisplatin, doxorubicin) has been compared to tumor growth and the necrosis levels in different preclinical syngeneic osteosarcoma models, mimicking various microenvironments by injecting the tumor cells into subcutaneous, intra-muscular paratibial, or intra-osseous sites; (ii) a retrospective analysis was performed on patients' osteoblastic osteosarcoma biopsies. Tissue localization mapping of residual live tumor cell colonies was evaluated for potential correlation with overall survival. The results of the preclinical studies showed a difference in tumor growth depending on the osteosarcoma model, with a higher rate in bone sites compared to subcutaneous tumors. For the therapeutic response, a higher response to doxorubicin was observed in the intra-osseous model compared to the intra-muscular model for tumor growth (P = 0.013) and necrosis (P = 0.007). These data strongly suggest that the microenvironment plays a role in how osteosarcoma responds to chemotherapy. The retrospective analysis showed no significant survival difference between residual cell sites, although the soft tissues may be seen as a potential negative factor. PMID- 29218255 TI - Oncology Section EDGE Task Force on Urogenital Cancer: A Systematic Review of Clinical Measures for Incontinence. AB - Background: Compared to the general population, women and men with urogenital and colorectal cancer experience higher rates of urinary and fecal incontinence. Although a variety of measures exist to assess these areas, currently, there are no guidelines recommending which outcomes rehabilitation professionals should administer to examine these impairments in those with cancer. Purpose: To identify outcome measures for assessing urinary and fecal incontinence and evaluate their psychometric data and applicability to the cancer population. Methods: Multiple electronic databases (CINAHL, Medline, PsycInfo) were reviewed using specific search terms to locate articles that identify outcome measures assessing urinary and fecal incontinence. As part of a larger effort to identify outcome measures for both incontinence and sexual dysfunction, 1118 articles were initially identified, 228 articles were reviewed, and 37 outcome measures were selected for analysis, 13 of which were related to urinary and fecal incontinence. Each incontinence outcome measure was independently reviewed and rated by two reviewers using the Cancer EDGE Task Force Outcome Measure Rating Form. Any discrepancies between reviewers were discussed and an overall recommendation for each outcome measure was made using the 4-point Cancer EDGE Task Force Rating Scale. Results: The Task Force was able to highly recommend 1 measure addressing urinary incontinence (American Urological Association Symptom Index) and 2 measures assessing both urinary and fecal incontinence (Pelvic Floor Distress Inventory - Short Form, Pelvic Floor Impact Questionnaire - Short Form). The Task Force also recommended two measures of urinary incontinence that demonstrated strong psychometric properties, but had not yet been evaluated in the cancer population (Incontinence Quality of Life Questionnaire, International Consultation on Incontinence Questionnaire - Short Form). The Task Force was unable to recommend any measures that solely addressed fecal incontinence. Conclusions: Five of the 13 outcome measures assessing urinary incontinence and two of the 13 measures assessing both urinary and fecal incontinence demonstrated satisfactory psychometric properties and application to the urogenital cancer population and are thereby recommended for use by the Task Force. PMID- 29218256 TI - Intracranial Anatomical Triangles: A Comprehensive Illustrated Review. AB - There are multiple anatomical triangles of the skull base. However, to our knowledge, there has been no comprehensive review of these geometric landmarks. To allow for a safe and consistent approach to lesions of the skull base such as those near the internal carotid artery, internal acoustic meatus, and cavernous sinus, a comprehensive review of the variations with illustrations is required. This article provides an overview of the anatomical borders, dimensions, and surgical implications as well as illustrations of the major skull base triangles. PMID- 29218257 TI - Pulmonary Tuberculosis Versus Recurrent Chemotherapy-Induced Pneumonitis: A Clinical Dilemma. AB - Chemotherapy-induced lung toxicity can affect pulmonary parenchyma, pleura, airways, pulmonary vascular system, mediastinum or the neuromuscular system that is responsible for respiration. Chemotherapy-induced pulmonary toxicity is a diagnosis of exclusion. When the patients with malignancies develop pulmonary toxicity such as pneumonitis and distinguishing it from alternative diseases such as infectious, thrombotic, cardiac, malignant or exacerbation of chronic lung conditions can be difficult. Moreover, such patients are often immunosuppressed, physically stressed from the underlying disease and the cancer treatment and hence, more susceptible to usual and unusual or opportunistic infections. We describe a patient with pancreatic cancer who was assumed to develop recurrent chemotherapy-induced pneumonitis to various agents, including irinotecan and docetaxel, but subsequently proved to have reactivation of tuberculosis (TB). With tuberculosis not being uncommon in cancer patients, we now believe that his symptoms could all have been because of an active tuberculosis infection, especially with his latent TB history and pulmonary symptoms. Information about the link between the treatment of solid-organ cancers and TB is very limited. Our case underlines the recognition about this link of chemotherapy and TB as well as remind us of the lack of widely accepted and established standards for both screenings for latent TB and for the treatment of active TB in the patients undergoing systemic treatment. A simple test such as a tuberculin skin test or QuantiFERON-TB Gold test can be used to rule out latent TB before beginning radiotherapy or chemotherapy in these patients. Clinicians must be cognizant of this condition to prevent further morbidity and mortality in these cancer patients and include activated TB in the differential diagnosis of pulmonary toxicity suspected in a patient undergoing chemotherapy with unexplained pulmonary findings. PMID- 29218258 TI - Breaking the Magic: Mouth and Genital Ulcers with Inflamed Cartilage Syndrome. AB - Mouth and genital ulcers with inflamed cartilage (MAGIC) syndrome refers to a condition in which features of Behcet's disease (BD) and relapsing polychondritis (RP) occur in the same individual. The existence of MAGIC syndrome suggests a potential common etiology for BD and RP. However, connecting these two diseases and referring to this condition as MAGIC syndrome might have been premature, as there is currently insufficient knowledge on BD and RP. In this critical review, we argue that these two clinical entities could possibly be unique disease processes rather than two ends of the same disease spectrum. Distinguishing the clinical difference between BD and RP is critical for the management of patients diagnosed with MAGIC syndrome, as biological therapeutic approaches for BD and RP differ. Also, inaccurate perception regarding the relationship of these two diseases could mislead researchers in their endeavors to unravel the pathophysiological mechanisms behind these two diseases. PMID- 29218259 TI - Melena as Initial Presentation of Adenocarcinoma in Pancreatic Tail. AB - Melena associated with gastric varices, in the setting of possible obstructing pancreatic adenocarcinoma, has been poorly documented as an initial presenting sign for pancreatic malignancy. Considering the late presentation of patients with pancreatic malignancy, it is important to consider all potential presenting symptoms for the early detection and treatment of pancreatic malignancy. Below, we present a patient with no history of liver pathology, who presents with melena and gastric varices, likely relating to portal hypertension in the setting of an obstructing pancreatic malignancy. PMID- 29218260 TI - A Case of Streptococcus anginosus Brain Abscess Caused by Contiguous Spread from Sinusitis in an Immunocompetent Patient. AB - Brain abscesses are infections of the brain parenchyma that can arise from either contiguous spread from local infection or by hematogenous spread from a distant site. Streptococcus anginosus of the Streptococcus anginosus group (SAG) is a commensal microbe of the mucosae of the oral cavity, gastrointestinal tract, and urogenital tract. We present a case of mono-microbial brain abscess caused by contiguous spread from relatively asymptomatic sinusitis that initially presented as a subdural hemorrhage on computed tomography. A 70-year-old male presented, obtunded, with a Glasgow Coma Score of eight. The patient seized on arrival. A computed tomography scan was read as a subdural hemorrhage, and magnetic resonance imaging showed a heterogeneous area at the anterior tip of the left frontal lobe interpreted as a frontoparietal abscess, along with pansinusitis. Craniotomy revealed a loculated abscess. Culture grew only Streptococcus anginosus. The patient did well postoperatively, was extubated by day five with rapidly improving neurological function, and was discharged to inpatient rehab by hospital-day eight for the continuation of intravenous antibiotics. This case represents a frontal lobe abscess caused by the contiguous spread of Streptococcus anginosus from a frontal sinus infection. This is a relatively rare presentation of SAG infection in an immunocompetent patient. The case outlines the importance of imaging modality choice in the various stages of brain abscess formation, and the necessity of maintaining an index of suspicion for brain abscess in patients with few traditional risk factors and little to no history on presentation. PMID- 29218261 TI - Bilateral Occipital Lobe Hemorrhages Presenting as Denial of Blindness in Posterior Reversible Encephalopathy Syndrome- A Rare Combination of Anton Syndrome and Encephalopathy. AB - Posterior reversible encephalopathy syndrome (PRES) or reversible posterior leukoencephalopathy (RPL) is an acute neurological syndrome characterized by the development of radiological abnormalities on brain imaging along with clinical manifestations, such as a headache, seizures, encephalopathy, etc. We report the case of a middle-aged male who presented to the emergency department after he woke up with complete blindness and was found to have hemorrhagic PRES. Intracranial hemorrhages were seen in around 15% of patients who presented with this condition. In this article, we review the different types of hemorrhages seen in the setting of PRES and their associations. PMID- 29218263 TI - Research in imaging/biomarkers for precision medicine in lung cancer: National Cancer Institute funding opportunities. PMID- 29218264 TI - Role of PET/CT for precision medicine in lung cancer: perspective of the Society of Nuclear Medicine and Molecular Imaging. AB - This article discusses the role of PET/CT in contributing to precision medicine in lung cancer, and provides the perspective of the Society of Nuclear Medicine and Molecular Imaging (SNMMI) on this process. The mission and vision of SNMMI are listed, along with the guidance provided by SNMMI to promote best practice in precision medicine. Basic principles of PET/CT are presented. An overview of the use of PET/CT imaging in lung cancer is discussed. In lung cancer patients, PET/CT is vitally important for optimal patient management. PET/CT is essential in determining staging and re-staging of disease, detecting recurrent or residual disease, evaluating response to therapy, and providing prognostic information. PET/CT is also critically important in radiation therapy planning by determining the extent of active disease, including an assessment of functional tumor volume. The current approach in tumor imaging is a significant advance over conventional imaging. However, recent advances suggest that therapeutic response criteria in the near future will be based on metabolic characteristics and will include the evaluation of biologic characteristics of tumors to further enhance the effectiveness of precision medicine in lung cancer, producing improved patient outcomes with less morbidity. PMID- 29218262 TI - Neurologic Outcomes Following Care in the Pediatric Intensive Care Unit. AB - Purpose of review: With increasing survival of children requiring admission to pediatric intensive care units (PICU), neurodevelopmental outcomes of these patients are an area of increased attention. Our goal was to systematically review recently published literature on neurologic outcomes of PICU patients. Recent Findings: Decline in neurofunctional status occurs in 3%-20% of children requiring PICU care. This proportion varies based on primary diagnosis and severity of illness, with children admitted for primary neurologic diagnosis, children who suffer cardiac arrest or who require invasive interventions during the PICU admission, having worse outcomes. Recent research focuses on early identification and treatment of modifiable risk factors for unfavorable outcomes, and on long-term follow-up that moves beyond global cognitive outcomes and is increasingly including tests assessing multidimensional aspects of neurodevelopment. Summary: The pediatric critical care research community has shifted focus from survival to survival with favorable neurologic outcomes of children admitted to the PICU. PMID- 29218265 TI - The role of Imaging and Radiation Oncology Core for precision medicine era of clinical trial. AB - Imaging and Radiation Oncology Core (IROC) services have been established for the quality assurance (QA) of imaging and radiotherapy (RT) for NCI's Clinical Trial Network (NCTN) for any trials that contain imaging or RT. The randomized clinical trial is the gold standard for evidence-based medicine. QA ensures data quality, preventing noise from inferior treatments obscuring clinical trial outcome. QA is also found to be cost-effective. IROC has made great progress in multi institution standardization and is expected to lead QA standardization, QA science in imaging and RT and to advance quality data analysis with big data in the future. The QA in the era of precision medicine is of paramount importance, when individualized decision making may depend on the quality and accuracy of RT and imaging. PMID- 29218266 TI - Ensuring sample quality for blood biomarker studies in clinical trials: a multicenter international study for plasma and serum sample preparation. AB - Background: Sample quality is critical for biomarker detection in oncology, and platelet degradation and contamination in plasma have a remarkable impact on the ability to accurately quantify many blood-based biomarkers. Platelet factor 4 (PF4) can be used as an indicator to monitor sample quality. This multicenter study aimed to determine the impact of critical components of the blood sample handling process on platelet degradation/contamination and to establish an optimal method for collecting platelet-poor plasma samples. Methods: At each of six participating centers, blood samples were drawn from 12-13 healthy volunteers. Serum and plasma samples were prepared from whole blood samples using nine different methods that have been commonly used in ongoing multicenter trials. PF4 levels in the prepared samples were measured by enzyme-linked immunosorbent assay (ELISA). Paired t-tests were used for statistical analysis. Results: Blood samples were collected from 74 subjects enrolled in six centers. PF4 levels were significantly higher in serum samples than in plasma samples (P<0.001), in plasma samples from blood that sat at room temperature for 5 minutes (P=0.021), in plasma samples prepared at an insufficient centrifugal force (P<0.001), and in plasma samples prepared from blood that sat for longer than 4 hours on ice (P=0.001). For each method, the PF4 levels did not differ significantly among the centers or between Chinese and American subjects. The methods that resulted in normal levels of PF4 involved keeping blood samples on ice for 30 minutes to <4 hours and centrifugation at 2,500-3,000 *g for 30 min. Conclusions: This multicenter study evaluated multiple blood sample handling conditions for minimizing platelet degradation during plasma serum preparation and determined an optimal method for preparing platelet-poor plasma. The findings of this study can be applied in future blood biomarker studies. PMID- 29218267 TI - Radiomics in precision medicine for lung cancer. AB - With the improvement of external radiotherapy delivery accuracy, such as intensity-modulated and stereotactic body radiation therapy, radiation oncology has recently entered in the era of precision medicine. Despite these precise irradiation modalities, lung cancers remain one of the most aggressive human cancers worldwide, possibly because of diverse genotypic alterations that drive and maintain lung tumorigenesis. It has been long recognized that imaging could aid in the diagnosis, tumor delineation, and monitoring of lung cancer. Moreover, accumulating evidence suggests that imaging information could be further used to tailor treatment type and intensity, as well as predict treatment outcomes in radiotherapy. However, these imaging tasks have been carried out either qualitatively or using simplistic metrics that doesn't take advantage of the full scale of imaging knowledge. Radiomics, which is a recent field of research that aims to provide a more quantitative representation of imaging information relating tumor phenotypes to clinical and genotypic endpoints by embedding extracted image features into predictive mathematical models. These predictive models can be a key component in the clinician decision making and treatment personalization. This review provides an overview of the radiomics application and its methodology for radiation oncology studies in lung cancer. PMID- 29218268 TI - Blood-based tumor biomarkers in lung cancer for detection and treatment. AB - The therapeutic landscape of lung cancer has expanded significantly over the past decade. Advancements in molecularly targeted therapies, strategies to discover and treat resistance mutations, and development of personalized cancer treatments in the context of tumor heterogeneity and dynamic tumor biology have made it imperative to obtain tumor samples on several different occasions through the course of patient treatment. While this approach is critical to the delivery of optimal cancer treatment, it is fraught with a number of barriers including the need for invasive procedures with associated complications, access to limited amount of tissue, logistical delays in obtaining the biopsy, high healthcare cost, and in many cases inability to obtain tissue because of technically difficult location of the tumor. Given multiple limitations of obtaining tissue samples, the use of blood-based biomarkers ("liquid biopsies") may enable earlier diagnosis of cancer, lower costs by avoiding complex invasive procedures, tailoring molecular targeted treatments, improving patient convenience, and ultimately supplement clinical oncologic decision-making. In this paper, we review various blood-based biomarkers including circulating tumor cells (CTCs), circulating tumor DNA (ctDNA), tumor derived exosomes, tumor educated platelets (TEPs), and microRNA; and highlight current evidence for their use in detection and treatment of lung cancer. PMID- 29218269 TI - Blood-based biomarkers for precision medicine in lung cancer: precision radiation therapy. AB - Both tumors and patients are complex and models that determine survival and toxicity of radiotherapy or any other treatment ideally must take into account this variability as well as its dynamic state. The genetic features of the tumor and the host, and increasingly also the epi-genetic and proteomic characteristics, are being unraveled. Multiple techniques, including histological examination, blood sampling, measurement of circulating tumor cells (CTCs), and functional and molecular imaging, can be used for this purpose. However, the effects of radiation on the tumor and on organs at risk (OARs) are also influenced by the applied dose and volume of irradiated tissues. Combining all these biological, clinical, imaging, and dosimetric parameters in a validated prognostic or predictive model poses a major challenge. Here we aimed to provide an objective review of the potential of blood markers to guide high precision radiation therapy. A combined biological-mathematical approach opens new doors beyond prognostication of patients, as it allows truly precise oncological treatment. Indeed, the core for individualized and precision medicine is not only selection of patients, but even more the optimization of the therapeutic window on an individual basis. A holistic model will allow for determination of an individual dose-response relationship for each organ at risk for each tumor in each individual patient for the complete oncological treatment package. This includes, but is not limited to, radiotherapy alone. Individualized dose-response curves will allow for consideration of different doses of radiation and combinations with other drugs to plan for both optimal toxicity and complete response. Insights into the interactions between a multitude of parameters will lead to the discovery of new pathways and networks that will fuel new biological research on target discovery. PMID- 29218270 TI - Anatomic, functional and molecular imaging in lung cancer precision radiation therapy: treatment response assessment and radiation therapy personalization. AB - This article reviews key imaging modalities for lung cancer patients treated with radiation therapy (RT) and considers their actual or potential contributions to critical decision-making. An international group of researchers with expertise in imaging in lung cancer patients treated with RT considered the relevant literature on modalities, including computed tomography (CT), magnetic resonance imaging (MRI) and positron emission tomography (PET). These perspectives were coordinated to summarize the current status of imaging in lung cancer and flag developments with future implications. Although there are no useful randomized trials of different imaging modalities in lung cancer, multiple prospective studies indicate that management decisions are frequently impacted by the use of complementary imaging modalities, leading both to more appropriate treatments and better outcomes. This is especially true of 18F-fluoro-deoxyglucose (FDG)-PET/CT which is widely accepted to be the standard imaging modality for staging of lung cancer patients, for selection for potentially curative RT and for treatment planning. PET is also more accurate than CT for predicting survival after RT. PET imaging during RT is also correlated with survival and makes response-adapted therapies possible. PET tracers other than FDG have potential for imaging important biological process in tumors, including hypoxia and proliferation. MRI has superior accuracy in soft tissue imaging and the MRI Linac is a rapidly developing technology with great potential for online monitoring and modification of treatment. The role of imaging in RT-treated lung cancer patients is evolving rapidly and will allow increasing personalization of therapy according to the biology of both the tumor and dose limiting normal tissues. PMID- 29218272 TI - Blood-based biomarkers in lung cancer: prognosis and treatment decisions. AB - Despite recent advances, non-small cell lung cancer (NSCLC) remains a devastating disease with overall poor prognosis. Major contributing factors include obstacles to diagnosing the disease early in its course during the asymptomatic stage as well as diversity and complexity of its biology underlying tumorigenesis and tumor progression. Advances in molecularly targeted therapies which drives the development of personalized cancer care require precise and comprehensive understanding of tumor biology, not only at the time of diagnosis but also during treatment course and surveillance. As lung tumor tissue can be difficult to obtain without invasive and potentially risky procedures, it is difficult to monitor treatment response with serial tissue biopsies. Development of non invasive but reliable blood based tumor markers has become an important research area. In this review, we focus on the following circulating biomarkers that have been identified in recent years: circulating tumor cells (CTCs); circulating cell free nucleic acids, such as circulating tumor DNA (ctDNA) and microRNA (miR); and other biomarkers such as genomic and proteomic features. These biomarkers not only have prognostic values, but also can help guild treatment decisions by monitoring tumor burden, detecting minimal residual disease and/or recurrent disease, as well as monitoring evolution of genetic alterations throughout the treatment course. PMID- 29218273 TI - Potential future consideration for imaging and blood-based biomarkers for precision medicine in lung cancer. PMID- 29218271 TI - Magnetic resonance imaging in precision radiation therapy for lung cancer. AB - Radiotherapy remains the cornerstone of curative treatment for inoperable locally advanced lung cancer, given concomitantly with platinum-based chemotherapy. With poor overall survival, research efforts continue to explore whether integration of advanced radiation techniques will assist safe treatment intensification with the potential for improving outcomes. One advance is the integration of magnetic resonance imaging (MRI) in the treatment pathway, providing anatomical and functional information with excellent soft tissue contrast without exposure of the patient to radiation. MRI may complement or improve the diagnostic staging accuracy of F-18 fluorodeoxyglucose position emission tomography and computerized tomography imaging, particularly in assessing local tumour invasion and is also effective for identification of nodal and distant metastatic disease. Incorporating anatomical MRI sequences into lung radiotherapy treatment planning is a novel application and may improve target volume and organs at risk delineation reproducibility. Furthermore, functional MRI may facilitate dose painting for heterogeneous target volumes and prediction of normal tissue toxicity to guide adaptive strategies. MRI sequences are rapidly developing and although the issue of intra-thoracic motion has historically hindered the quality of MRI due to the effect of motion, progress is being made in this field. Four dimensional MRI has the potential to complement or supersede 4D CT and 4D F-18 FDG PET, by providing superior spatial resolution. A number of MR-guided radiotherapy delivery units are now available, combining a radiotherapy delivery machine (linear accelerator or cobalt-60 unit) with MRI at varying magnetic field strengths. This novel hybrid technology is evolving with many technical challenges to overcome. It is anticipated that the clinical benefits of MR-guided radiotherapy will be derived from the ability to adapt treatment on the fly for each fraction and in real-time, using 'beam-on' imaging. The lung tumour site group of the Atlantic MR-Linac consortium is working to generate a challenging MR guided adaptive workflow for multi-institution treatment intensification trials in this patient group. PMID- 29218274 TI - Demographic Characteristics of Patients Undergoing Rhinoplasty: A Single Center Two-Time-Period Comparison. AB - BACKGROUND: One of the most common cosmetic surgeries is rhinoplasty. Iran has the highest rate of rhinoplasty, worldwide. The aim of this study was to compare the demographic characteristics of patients' undergone rhinoplasty during two time-period with a 10-year-interval in a single surgical center in Isfahan, Iran. METHODS: In a retrospective study, data of the patients who were scheduled for elective rhinoplasty including their age and gender in two-time-period (2005 and 2015) were collected and compared. RESULTS: Data of the 470 and 472 patients' undergone elective primary rhinoplasty during 2005 and 2015 were collected, respectively. In 2005, the age range of patients was 16-51 years. Frequency of patients aged less than 20 years and more than 40 years was 27.1% and 3%, respectively. In 2015, the age range of patients was 16-59 years. Frequency of patients aged less than 20 years and more than 40 years was 12.9% and 5.6%, respectively. Patients in the two studied periods were similar regarding gender, but the mean age of patients had a significant increase during the time. CONCLUSION: Most of our patients were female and the female to male ratio was similar in two studied periods, but it seems that rhinoplasty request is higher in older age in recent years. It is recommended to plan a trend study and more studies considering other factors to be effective in epidemiologic feature of rhinoplasty in our community. PMID- 29218275 TI - Outcomes of Surgical Excision and Brachytherapy in Intractable Keloids. AB - BACKGROUND: Keloids as unusual scars are injury remnants characterized by bizarre cosmetics and painful itching. This study assessed outcomes of surgical excision and brachytherapy in intractable keloids. METHODS: Six patients with 10 keloid lesions were followed up. Surgical excision was done with 1-2 mm margin, and then radiotherapy was undertaken in 3 divided fractions on days 0, 1 and 2 after surgery. Scar improvement was evaluated by patients and observer with scar assessment scale (POSAS). RESULTS: Median age of patients was 38.3+/-6.4, while 40% were male and 60% were female. The mean primary size of the lesion before brachytherapy was 325.18+/-426.16 mm2 and the median size was 153.48 mm2. The mean primary size of the lesions with recurrence before brachytherapy was 150.50+/-124.78 mm2. The clinical improvement of the scars with POSAS scoring by the observer was 17.1+/-3.2 and by the patients was 20.8+/-11.5. In 5 patients who were evaluated, two keloid lesions showed recurrence (20%), and 8 lesions had no recurrence (80%). No patients reported side effects, but only one patient, a 43 years old woman with 5 keloid lesions, suffered wound infection and local dehiscence of the wound, followed by the second session of brachytherapy. The average time of relapse was 26.3+/-0.9 months. CONCLUSION: The use of surgical resection in combination with brachytherapy was demonstrated as a modality for treatment of refractory keloid scars that can be recommended to surgeons who deal with these patients. PMID- 29218276 TI - Role of Square Flap in Post Burn Axillary Contractures. AB - BACKGROUND: Post-burn contractures are a commonly encountered problem and many techniques have been described in their treatment. Z-plasties are the commonest local flap procedure done for linear bands with adjacent healthy tissue. Our aim was to assess the use of square flap technique in axillary contractures. METHODS: Ten patients with type I and II axillary contractures underwent release by the square flap technique. All cases were followed up for at least one year and analysed for range of motion and aesthetic outcome. RESULTS: All cases achieved full range of movement postoperatively with no recurrence during follow up period and a good cosmetic outcome. CONCLUSION: Square flap was shown to be a reliable technique for mild to moderate axillary contractures of the anterior or posterior axillary folds even when there is significant adjacent scarring of chest wall or back of types I and II. PMID- 29218277 TI - Effect of Multimedia Self-Care Education on Quality of Life in Burn Patients. AB - BACKGROUND: Burn injuries can have adverse effects on quality of life of patients and can disturb their physiological, psychological, social and spiritual well being. This study aimed to investigate the effect of multimedia self-care program on quality of life in burn patients. METHODS: This Randomized controlled clinical trial was conducted from November 2015 to December 2016. The samples were hospitalized burn patients with 10% to 45% of 1st, 2nd and 3rd degree burns of total body surface area (TBSA). The patients were randomly allocated into experimental (n=50) and control (n=50) groups. Both groups received the routine in-person self-care trainings of the hospital and then the experimental group received self-care compact disks. The quality of life questionnaire in both groups were completed before intervention and after 3-months and statistically analyzed. RESULTS: Accordingly, the changes in quality of life and the dimensions between both groups after 3 month of intervention were significant. The changes in quality of life in experiment group was significantly greater than control group for physical, psychological and social variables. CONCLUSION: According to the findings, using multimedia self-care programs can improve burn patient's quality of life, so it is recommended for nurses and hospital staffs of burn injury wards to use multimedia self-care programs as a complementary therapy measure. PMID- 29218278 TI - Evaluation of Subclinical Extension of Basal Cell Carcinoma. AB - BACKGROUND: Basal cell carcinoma (BCC) is the most common malignancy with increasing incidence worldwide. The tumor invades surrounding tissues in an irregular pattern via subclinical and microscopic finger-like growths known as subclinical extension. Subclinical extension may be responsible for incomplete resection of the tumor. This study investigates the subclinical extension of BCC. METHODS: In a retrospective study for evaluation of subclinical extension of BCC, Patients' demographic data and characteristics (disease duration, location, size, and history of radiotherapy) were documented. Pathology samples were assessed in terms of histological type, subclinical extension, depth, and involvement of margins. RESULTS: The study was conducted on 102 pathological samples of 84 patients (49 males, 35 females) with BCC. The mean age was 65.4+/-12.55 years. Overall, 83% of pathology samples had subclinical extension. Subclinical extension had no correlation with lesion size (p=0.591; r=0.056), but had a direct correlation with lesion depth (p=0.033; r=0.220). Resection of the tumor with a margin of 5.5 mm eliminated the entire lesion and its subclinical extension area with a confidence rate of 95%. CONCLUSION: Based on this study, resection of BCC lesions with a margin of 5.5 mm will eradicate the whole lesion including the subclinical extension area with 95% confidence rate. Depth of the tumor, not its size or histologic subtype, affects the required margin of excision. PMID- 29218279 TI - Non-metastatic Non-melanoma Skin Cancers: Our 3 Years of Clinical Experiences. AB - BACKGROUND: Nonmelanoma skin cancers (NMSC) constitute the largest group of skin cancers. In this study, NMSCs were analyzed retrospectively. METHODS: Between June 2013 and March 2017, demographics and comorbidities of patients underwent reconstructive surgery for NMSC; their risk factors, types, diameters, differentiation, localizations, follow-up times, treatment methods and complications were compared and statistically analyzed. RESULTS: Totally, 163 tumors [111 basal cell carcinoma and 52 cutaneous squamous cell carcinoma (cSCC)] were excized from 148 patients (63 females, 85 males). Mean age was 70.8 years. Fitzpatrick skin types were between 2-4 and 74 patients. Comorbidities were detected in 63 patients. Tumors were mostly localized in head and neck regions. Forty two lesions in cSCC group were good and 10 were medium differentiated. Defects were reconstructed with flaps in 108 patients. Others underwent primer suturation and grafting. Mean follow-up time was 16.2 months. There was not any complication except one graft failure. There were not significant statistical differences between two groups in terms of skin type, comorbidity, tumor size, fallow-up time and gender values. Conversely, differences of risk factor and age values between the groups were significant. There was a positive correlation between the tumor diameter and poor differentiation in cSCC group. Moreover, there was a negative correlation between tumor size and skin type values in groups. CONCLUSION: Our results are quite different from literature needing further multicentric studies on NMSC to clarify the difference. PMID- 29218280 TI - The Effect of Lithospermum officinale, Silver Sulfadiazine and Alpha Ointments in Healing of Burn Wound Injuries in Rat. AB - BACKGROUND: Burn is the most devastating condition in emergency medicine leading to chronic disabilities. This study aimed to compare the effect of Lithospermum officinale, silver sulfadiazine and alpha ointments on healing of burn wounds in rat. METHODS: Ninety-five rats were divided into 5 groups. Group 1 just underwent burn injury, and groups 2-5 received alpha ointment, silver sulfadiazine (SSD), gel base and L. officinale extract, respectively. A hot plate was used for induction of a standard 3rd degree burn wound. Burn wounds were macroscopically and microscopically evaluated on days 7th, 14th and 21st after burn induction. RESULTS: A decrease in the number of inflammatory cells was noted when L. officinale and SSD were applied while the most inflammatory response was seen after administration of alpha ointment. The number of macrophages alone decreased after burn injury, while the frequency was the most when L. officinale and alpha ointment were applied. Re-epithelialization, angiogenesis and formation of granulation tissue were the best in relation to L. officinale and alpha ointment while, the worst results belonged to burn injury group and SSD regarding granulation tissue formation. Considering histological assessment, the best results were observed for scoring of inflammation, re-epithelialization, angiogenesis, formation of granulation tissue and number of macrophage when L. officinale and alpha ointment were used after burn injury. CONCLUSION: It can be concluded that topical application of L. officinale as a non-toxic, inexpensive and easy to produce herbal can lead to a rapid epithelialization and wound healing and these findings can be added to the literature on burn wound healing. PMID- 29218281 TI - Palate Mucoperosteum: An Usefull Adjunct in Buccal Mucosa Reconstruction. AB - Background: Palate is a complex structure separating oro- and nasopharynx. However, reconstruction of the defects of palate is much simpler because of the versatile mucoperiosteal flaps. Here, we present our experience of palatal mucoperiosteal flap used in different situations. Methods: Fifteen patients of palatal as well as buccal mucosa defects were reconstructed using either free or pedicled mucoperiosteum. Results: All patients recovered well. No flap loss or secondary procedure were required. Conclusion: Success in Reconstruction of the palatal defects depends on creation of good nasal as well as buccal mucosal lining. The rich vascular macronet in the palatal mucosa makes it an ideal donor site for local reconstruction. The mucoperiosteum harvested either as a free graft or as pedicled flap serves the purpose well leaving no donor site deformity. PMID- 29218282 TI - Which Tissue Should Be Removed in Upper Blepharoplasty? Analysis and Evaluation of Satisfaction. AB - BACKGROUND: Due to various options for tissue resection and preoperative markings, many different reports on aesthetics and patient's satisfaction exist. To assess differences among tissue resections and risk factors, we herein analyzed satisfaction levels of patients that underwent upper blepharoplasty. METHODS: A retrospective analysis during the period from January 2006 to June 2013 was conducted by reviewing patient's electronic medical files. All patients underwent medically indicated upper blepharoplasty at our department. We classified patients relating to resected tissues; hence the categories created were skin, skin/muscle, skin/muscle/fat and skin/fat. Furthermore, an evaluation of risk factors according to the patient's number of present medical preconditions ranging from 0 (none) to 4 was performed. Data collection was conducted by reviewing patient's electronic medical files. Moreover, a questionnaire concerning patient's satisfaction was forwarded. RESULTS: No significant differences in patient's satisfaction and complication rates comparing the different groups of tissue resection were noted. However, we found a significantly higher complication rate at a presence of 2 risk factors. In addition, a significantly worse scar outcome and longer recovery periods in patients with 4 risk factors were observed. CONCLUSION: The extent of tissue resection has no statistically quantifiable effect on patient's satisfaction ratings and complications. For this reason, we believe cautious resection of muscle and fat is only indicated if pathologies are present. Moreover, patients with 2 risk factors or more shall be rigorously evaluated preoperatively to avoid complicating events.An abbreviated form of this manuscript was presented at the conjoint 52nd and 45th annual meeting of the Austrian and German Society of Plastic, Aesthetic and Reconstructive Surgery, September 11th-13th 2014 in Munich, Germany. PMID- 29218283 TI - Early Reconstructions of Complex Lower Extremity Battlefield Soft Tissue Wounds. AB - BACKGROUND: Severe lower extremity trauma as a devastating combat related injury is on the rise and this presents reconstructive surgeons with significant challenges to reach optimal cosmetic and functional outcomes. This study assessed early reconstructions of complex lower extremity battlefield soft tissue wounds. METHODS: This was a prospective case series study of battled field injured patients which was done in the Department of Plastic Surgery, Baqiyatallah University of Medical Sciences hospitals, Tehran, Iran between 2013-2015. In this survey, 73 patients were operated for reconstruction of lower extremity soft tissue defects due to battlefield injuries. RESULTS: Seventy-three patients (65 men, 8 womens) ranging from 21-48 years old (mean: 35 years) were enrolled. Our study showed that early debridement and bone stabilization and later coverage of complex battlefields soft tissue wounds with suitable flaps and grafts of lower extremity were effective method for difficult wounds managements with less amputation and infections. CONCLUSION: Serial debridement and bone stabilization before early soft tissue reconstruction according to reconstructive ladder were shown to be essential steps. PMID- 29218284 TI - How Much Can We do by Reverse Superficial Sural Artery Flap to Potentiate Its Effects: Introducing Spout Sural Flap as a New Modification. AB - BACKGROUND: Due to shortage of local donor tissue and unreliable blood supply, free flaps were the mainstay of treatment for tissue defects in the lower leg and foot region, but it requires a qualified microvascular surgeon. Recently, attention has been paid to reverse superficial sural artery flap (RSSAF) and its modifications as a good alternative to pave the way to simple and friendly techniques. METHODS: Excluding each patient with septic and severely ischemic foot, every patient with tissue defect in distal leg and proximal foot region were studied. Various methods were applied including spout technique with sufficient follow up. No imaging was used to evaluate the blood supply. RESULTS: Five patients underwent spout technique with excellent results in four cases. Spout technique in one case failed due to narrow base. In five cases, RSSAF was performed with creating skin tunnel and very good results. CONCLUSION: RSSAF is a good alternative for free flap to cover the leg and foot tissue defects. We also advise wide base pedicle (>4 cm) in every patient. PMID- 29218285 TI - Efficacy of Digital Anesthesia: Comparison of Two Techniques. AB - BACKGROUND: Digital nerve block is commonly performed by care providers in medical fields. This study compares the blocks in terms of effectiveness of anesthesia and pain. METHODS: Patients were divided into two groups. First group underwent digital block whereas 2nd group had transmetacarpal digital block. The subcutaneous ring block was performed by two injections of 3 ml of 2% lignocaine in a 3 ml syringe with a 26G needle at the level of phalangeal/palmer crease. One prick was performed on either side of the finger base extending on dorsal and volar aspects of the digit. The transmetacarpal block received lignocaine identically at dorsal aspect of metacarpo-phalangeal joint. 1.5ml of the solution was injected in dorsal and 1.5ml in palmer side on either side of the finger. When sensation of needle was felt, 1ml of the solution was injected. Then the needle was withdrawn injecting another 1ml and finally the last 1ml was injected close to the dorsal skin. The pain prick was recorded after 30 seconds. RESULTS: The mean time to complete abolition of sensation was 9.1 minutes in group I and 9.0 minutes in group II. The mean duration of anaesthesia was 202 minutes in group I and 206.8 minutes in group II. The mean pain scale was 5.67 (range=4-7) in group I and 4.2 (range=3-7) in group II. CONCLUSION: Subcutaneous ring block and transmetacarpal techniques are good in digital anesthesia and involve the administration of the local anaesthetic through two injections. PMID- 29218286 TI - Experience of Breast Augmentation in Pakistani Females. AB - BACKGROUND: Breast augmentation is an elective surgery used to increase the size of the breast in females. This study was undertaken to determine the breast augmentation in Pakistani females. METHODS: From 2006 to 2011, 43 female patients who underwent breast augmentation via infra-mammary, periareolar, trans-umbilical and fat transfer were enrolled. For augmentation, saline-filled or gel-filled implants were used in the supine position under general anesthesia and local infiltration of adrenaline (1:100,000 dilution) on each side. After the surgery, postoperative dressing was changed after 3-5 days and post-op bra was used for next 3-4 weeks. The patients were followed up for any complications too. RESULTS: The majority of patients (60.4%) were less than 30 years (mean age: 27.51 years). Most of patients (70%) had infra-mammary incision, 13.9% had periareolar, 9.3% had trans-umbilical and 4.7% had fat transfer. Saline-filled implants were used in 30.2%, whereas gel-filled implants in 69.8% of patients. Implant volume in infra-mammary, periareolar, trans-umbilical and fat transfer approaches was 278.9, 291.7, 277.5 and 325 mL, respectively. Only two cases of infection were recorded in early postop period. One patient responded to conservative treatment and in 2nd patient, implants were removed. There was only one case of hypertrophic scar. No case of capsular contracture was seen. Quality of scar was satisfactory in infra-mammary and periareolar incisions. Changes in sensations were noted in 6 cases, 4 of them had periareolar incision. CONCLUSION: Properly performed breast augmentation results in restoration of physical and psychological well-being of the patient and less complication rates. PMID- 29218287 TI - Use of Forehead Flap for Nasal Tip Reconstruction after Traumatic Nasal Amputation. AB - Nose is one of the most important aesthetic unit of the face.Management of nasal trauma plays a significant role in the practices of the majority of facial and reconstructive surgeons. Replantation, although technically very challenging, is undoubtedly the procedure of choice following traumatic nasal amputation. Here we present an illustrative case report of the traumatic amputation of a nasal tip that was treated successfully with a paramedian forehead flap and further nasal reconstructive surgery. Use of the forehead flap was performed five hours after the occurrence of trauma and was followed by surgical repair about three weeks later. This case presents evidence that a forehead flap as a full-thickness composite graft can survive with an acceptable clinical outcome. In this particular case, the final result was satisfactory. PMID- 29218288 TI - Giant Anterior Neck Lipoma with Bleeding Pressure Ulcer in an Elderly Man: A Rare Entity. AB - Giant lipomas are benign soft tissue tumors found rarely in the neck and are still rarer in the anterior part of the neck. A 70-year-old male patient was presented with a huge swelling measuring 35 cm in maximum dimension, in the front of the neck, reaching up till the umbilicus. The swelling was painless, slow growing and acquired the huge size in approximately 20 years. Ultrasound and CT scan findings were suggestive of a soft tissue lesion. Fine needle aspiration cytology yielded mature adipose tissue fragments. A complete surgical removal of the mass was done which on gross examination, measured 32 cms in longest diameter and weighed 2500 grams. Diagnosis of giant anterior neck lipoma with pressure ulcer was confirmed on histopathology. We described a case of excessively large lipoma of anterior neck, which is the largest anterior neck lipoma with pressure ulcer reported till date. PMID- 29218289 TI - Craniofacial Fibrous Dysplasia of Zygomaticomaxillary Complex. AB - Fibrous dysplasia is a benign bone disease first described by Lichtenstein in 1938. It is characterized by progressive replacement of normal bone with fibro osseous connective tissue. When the disease involves craniofacial skeleton, it results in significant disfigurement and other functional problems. This paper reports a case of large craniofacial fibrous dysplasia involving zygomaticomaxillary complex in a 24-year old male patient. Clinical presentation and imaging characteristics of the pathology is discussed in detail. The disease caused significant facial asymmetry which was satisfactorily managed by surgical recontouring. PMID- 29218290 TI - Critical Upper Limb Ischemia Due to Brachial Tourniquet in Misdiagnosed Thoracic Outlet Syndrome after Carpal Tunnel Decompression: A Case Report. AB - We present the case of a 68-year-old woman, referred to our department for critical upper limb ischemia, which had occurred a few days after homolateral surgical ligamentotomy for carpal tunnel syndrome, diagnosed and confirmed by electromyography, and performed with a brachial tourniquet. The patient was later admitted for subsequent progressive necrosis of the first three fingers of the left hand, accompanied by signs of upper limb ischemia. An accessory cervical rib was identified, completely obliterating the subclavian artery distally at the origin of the suprascapular artery. A complete humeral artery occlusion was also found at the middle third of the humerus. The accessory rib was resected and the subclavian artery recanalized. A few days later, necrosis of the distal third of the first two fingers appeared and surgical resection was performed. Despite this chronic condition, the acute occlusion of collateral circles was probably induced by the brachial tourniquet. This represents a rare event, never previously reported in the literature: a case of critical upper limb ischemia due to a brachial tourniquet in a patient with misdiagnosed thoracic outlet syndrome. Until specific electrophysiological criteria for this syndrome can be found, attention should focus on history and clinical examination in patients with suspected carpal tunnel syndrome. PMID- 29218291 TI - Congenital Bilateral Multiple Trigger Fingers in A 5-Year-Old Child. AB - Paediatric bilateral multiple trigger fingers are extremely rare. The underlying etiopathogenesis and hence the surgical principles of management of trigger finger in children are different from those of pediatric trigger thumb and adult trigger finger. In this paper, we report the case of a 5 year old girl with congenital trigger digits involving the middle, ring and little fingers of both hands. She did not have any episode of trauma, viral or bacterial infections or any metabolic disorder. Following lack of any improvement with a physiotherapy and a splintage regime for 6 weeks, we offered surgical management for the affected digits. Release was done in step-wise pattern. We present the intraoperative findings and surgical management of congenital trigger finger. PMID- 29218292 TI - Primary One Stage Reconstruction in Complex Facial Avulsion Injury. AB - Complex facial injuries with soft tissue degloving and bony avulsion are very devastating to the patient. Partial degloving injuries are described but hemifacial degloving with zygoma avulsion are rare. The author presents a case of post-traumatic degloving of the left upper lip, nose, part of forehead, upper and lower eyelids and cheek with avulsion of the left zygoma. The management included immediate resuscitation and early surgery to reposition the skeletal as well as soft tissue avulsion. The wound was thoroughly washed and primary repositioning and fixation were done. Early one stage surgery with meticulous debridement and alignment of the anatomical landmarks results in very good aesthetic and functional outcome. PMID- 29218293 TI - Acral Hypomelanocytic Melanoma of Left Great Toe: A Rare Cancer. PMID- 29218294 TI - Modifying "Pico" Question into "Picos" Model for More Robust and Reproducible Presentation of the Methodology Employed in A Scientific Study. PMID- 29218295 TI - Absence of the Labiomental Groove: A Common but Preventable Unpleasant Aesthetic Problem of the Lower Lip-Chin Burn Reconstruction. PMID- 29218296 TI - Evaluating Youtube as A Source of Patient Information on Dupuytren's Disease. PMID- 29218297 TI - Median Nerve Lipofibrohamartoma: A Treatment Dilemma. PMID- 29218298 TI - Digital Necrosis: A Hoarder's Tale. PMID- 29218299 TI - Editorial: Controversies and Perspectives in the Use of Postoperative Radiotherapy for Prostate Cancer. PMID- 29218301 TI - Long-term Outcomes after Salvage Stereotactic Radiosurgery (SRS) following In Field Failure of Initial SRS for Brain Metastases. AB - Purpose: The optimal treatment strategy following local recurrence after stereotactic radiosurgery (SRS) remains unclear. While upfront SRS has been extensively studied, few reports focus on outcomes after retreatment. Here, we report the results following a second course of SRS for local recurrence of brain metastases previously treated with SRS. Methods: Using institutional database, patients who received salvage SRS (SRS2) following in-field failure of initial SRS (SRS1) for brain metastases were identified. Radionecrosis and local failure were defined radiographically by MRI following SRS2. The primary endpoint was defined as the time from SRS2 to the date of all-cause death or last follow-up [overall survival (OS)]. The secondary endpoints included local failure-free survival (LFFS) and radionecrosis-free survival, defined as the time from SRS2 to the date of local failure or radionecrosis, or last follow-up, respectively. Results: Twenty-eight patients with 32 brain metastases were evaluated between years 2004 and 2015. The median interval between SRS1 and SRS2 was 9.7 months. Median OS was 22.0 months. Median LFFS time after SRS2 was 13.6 months. The overall local control rate following SRS2 was 84.4%. The 1- and 2-year local control rates are 88.3% (95% CI, 76.7-100%) and 80.3% (95% CI, 63.5-100%), respectively. The overall rate of radionecrosis following SRS2 was 18.8%. On univariate analysis, higher prescribed isodose line (p = 0.033) and higher gross tumor volume (p = 0.015) at SRS1 were associated with radionecrosis. Although not statistically significant, there was a trend toward lower risk of radionecrosis with interval surgical resection, fractionated SRS, lower total EQD2 (<50 Gy), and lack of concurrent systemic therapy at SRS2. Conclusion: In select patients, repeat LINAC-based SRS following recurrence remains a reasonable option leading to long-term survival and local control. Radionecrosis approaches 20% for high risk individuals and parallels historic values. PMID- 29218302 TI - Canine Soft Tissue Sarcomas: Can Being a Dog's Best Friend Help a Child? AB - Soft tissue sarcomas (STSs) remain a therapeutic challenge for pediatric and adolescent and young adult (AYA) patients. Still today, surgery, radiation therapy, and chemotherapy remain the mainstay of treatment. Obstacles in developing new treatment approaches to improve the outcome are: few patients to enroll in clinical trials, and the diversity of tumor biology between histologic subtypes. Pet dogs may offer an additional strategy to discover and test new therapeutic avenues. The number of dogs diagnosed with a STS each year in the United States is estimated to be around 27,000 to 95,000. In comparison, approximately 900 children less than 20 years old and 1,500 AYAs between 15 and 29 years old are diagnosed with a STS each year in the United States. The mainstay for treatment of STSs in dogs is also surgery, with radiation therapy and chemotherapy when necessary. Similar to what is seen in humans, grade and stage are prognostic in dogs. In one comparative study of the histology and immunohistochemistry of canine STSs, most tumors were diagnosed as the human equivalent of undifferentiated sarcoma, spindle cell sarcoma, or unclassified spindle cell sarcoma. But much work remains to be done to fully assess the validity of canine STSs as a model. Gene expression analysis has been done in a limited number of canine STSs. Tissue banking, development of cell lines, and the ability to mobilize large-scale clinical trials will become essential in veterinary medicine to benefit both dogs and humans. PMID- 29218300 TI - The Dual Role of Cellular Senescence in Developing Tumors and Their Response to Cancer Therapy. AB - Cellular senescence describes an irreversible growth arrest characterized by distinct morphology, gene expression pattern, and secretory phenotype. The final or intermediate stages of senescence can be reached by different genetic mechanisms and in answer to different external and internal stresses. It has been maintained in the literature but never proven by clearcut experiments that the induction of senescence serves the evolutionary purpose of protecting the individual from development and growth of cancers. This hypothesis was recently scrutinized by new experiments and found to be partly true, but part of the gene activities now known to happen in senescence are also needed for cancer growth, leading to the view that senescence is a double-edged sword in cancer development. In current cancer therapy, cellular senescence is, on the one hand, intended to occur in tumor cells, as thereby the therapeutic outcome is improved, but might, on the other hand, also be induced unintentionally in non-tumor cells, causing inflammation, secondary tumors, and cancer relapse. Importantly, organismic aging leads to accumulation of senescent cells in tissues and organs of aged individuals. Senescent cells can occur transiently, e.g., during embryogenesis or during wound healing, with beneficial effects on tissue homeostasis and regeneration or accumulate chronically in tissues, which detrimentally affects the microenvironment by de- or transdifferentiation of senescent cells and their neighboring stromal cells, loss of tissue specific functionality, and induction of the senescence-associated secretory phenotype, an increased secretory profile consisting of pro-inflammatory and tissue remodeling factors. These factors shape their surroundings toward a pro-carcinogenic microenvironment, which fuels the development of aging-associated cancers together with the accumulation of mutations over time. We are presenting an overview of well-documented stress situations and signals, which induce senescence. Among them, oncogene-induced senescence and stress-induced premature senescence are prominent. New findings about the role of senescence in tumor biology are critically reviewed with respect to new suggestions for cancer therapy leveraging genetic and pharmacological methods to prevent senescence or to selectively kill senescent cells in tumors. PMID- 29218303 TI - Dynamic Regimes of El Nino Southern Oscillation and Influenza Pandemic Timing. AB - El Nino southern oscillation (ENSO) dynamics has been shown to drive seasonal influenza dynamics. Severe seasonal influenza epidemics and the 2009-2010 pandemic were coincident with chaotic regime of ENSO dynamics. ENSO dynamics from 1876 to 2016 were characterized to determine if influenza pandemics are coupled to chaotic regimes. Time-varying spectra of southern oscillation index (SOI) and sea surface temperature (SST) were compared. SOI and SST were decomposed to components using the algorithm of noise-assisted multivariate empirical mode decomposition. The components were Hilbert transformed to generate instantaneous amplitudes and phases. The trajectories and attractors of components were characterized in polar coordinates and state space. Influenza pandemics were mapped to dynamic regimes of SOI and SST joint recurrence of annual components. State space geometry of El Ninos lagged by influenza pandemics were characterized and compared with other El Ninos. Timescales of SOI and SST components ranged from sub-annual to multidecadal. The trajectories of SOI and SST components and the joint recurrence of annual components were dissipative toward chaotic attractors. Periodic, quasi-periodic, and chaotic regimes were present in the recurrence of trajectories, but chaos-chaos transitions dominated. Influenza pandemics occurred during chaotic regimes of significantly low transitivity dimension (p < 0.0001). El Ninos lagged by influenza pandemics had distinct state space geometry (p < 0.0001). Chaotic dynamics explains the aperiodic timing, and varying duration and strength of El Ninos. Coupling of all influenza pandemics of the past 140 years to chaotic regimes of low transitivity indicate that ENSO dynamics drives influenza pandemic dynamics. Forecasts models from ENSO dynamics should compliment surveillance for novel influenza viruses. PMID- 29218304 TI - From Invention to Innovation: Risk Analysis to Integrate One Health Technology in the Dairy Farm. AB - Current Hazard Analysis Critical Control Points (HACCP) approaches mainly fit for food industry, while their application in primary food production is still rudimentary. The European food safety framework calls for science-based support to the primary producers' mandate for legal, scientific, and ethical responsibility in food supply. The multidisciplinary and interdisciplinary project ALERT pivots on the development of the technological invention (BEST platform) and application of its measurable (bio)markers-as well as scientific advances in risk analysis-at strategic points of the milk chain for time and cost effective early identification of unwanted and/or unexpected events of both microbiological and toxicological nature. Health-oriented innovation is complex and subject to multiple variables. Through field activities in a dairy farm in central Italy, we explored individual components of the dairy farm system to overcome concrete challenges for the application of translational science in real life and (veterinary) public health. Based on an HACCP-like approach in animal production, the farm characterization focused on points of particular attention (POPAs) and critical control points to draw a farm management decision tree under the One Health view (environment, animal health, food safety). The analysis was based on the integrated use of checklists (environment; agricultural and zootechnical practices; animal health and welfare) and laboratory analyses of well water, feed and silage, individual fecal samples, and bulk milk. The understanding of complex systems is a condition to accomplish true innovation through new technologies. BEST is a detection and monitoring system in support of production security, quality and safety: a grid of its (bio)markers can find direct application in critical points for early identification of potential hazards or anomalies. The HACCP-like self-monitoring in primary production is feasible, as well as the biomonitoring of live food producing animals as sentinel population for One Health. PMID- 29218305 TI - Editorial: Continuous Quality Improvement (CQI)-Advancing Understanding of Design, Application, Impact, and Evaluation of CQI Approaches. PMID- 29218306 TI - Adolescents' Responses to a School-Based Prevention Program Promoting Healthy Eating at School. AB - Background: To improve the effectiveness of school-based programs that aim to promote adolescents' healthy food choices, it is essential to understand the views and behaviors of the target group. This study aimed to get a better understanding of adolescents' food and health perceptions and their willingness to be involved in a specific school-based prevention program, i.e., the Dutch "Healthy School Canteen Program." Methods: This study used a mixed-methods research design. First, seven semi-structured focus groups were conducted using a selective sample of 42 Dutch adolescents (25 girls, 17 boys, aged 13-16 years). Second, an online survey among 133 adolescent respondents (72 girls, 61 boys, aged 12-19 years) using snowball sampling was conducted. Content analysis was performed to make inferences about the focus group discussions, whereas statistical analyses were conducted to analyze the survey data. Results: Findings from the group discussions indicated that healthy eating was only an issue of importance when adolescents perceived negative physical changes (e.g., with regard to looks or physical performance). Adolescents also indicated that they clearly wanted to make their own food and beverage choices at school. The quantitative data indicated that taste, price, and variety were seen as the most important aspects of a healthy food assortment (mean scores 8.1, 7.8, and 7.7 on a 10-point scale, respectively). In general, a majority of the adolescents (64%) expressed that students should be involved in the organization of a healthy food environment in schools. At the same time, however, adolescents were not willing to participate themselves. This was mostly because they were skeptical about their ideas being heard and put into action by their schools. Conclusion: School based prevention programs, such as the Healthy School Program, should take into account that adolescents have a low risk perception of unhealthy eating and are seeking food choice autonomy. In addition, schools should not lose sight of product price, taste, and variety to make their food assortment attractive to students. If schools aim to involve adolescents in prevention programs that promote healthy eating, it is essential that they have a formal student involvement process that ensures that adolescents' suggestions are valued. PMID- 29218307 TI - Calreticulin: Challenges Posed by the Intrinsically Disordered Nature of Calreticulin to the Study of Its Function. AB - Calreticulin is a Ca2+-binding chaperone protein, which resides mainly in the endoplasmic reticulum but also found in other cellular compartments including the plasma membrane. In addition to Ca2+, calreticulin binds and regulates almost all proteins and most of the mRNAs deciding their intracellular fate. The potential functions of calreticulin are so numerous that identification of all of them is becoming a nightmare. Still the recent discovery that patients affected by the Philadelphia-negative myeloproliferative disorders essential thrombocytemia or primary myelofibrosis not harboring JAK2 mutations carry instead calreticulin mutations disrupting its C-terminal domain has highlighted the clinical need to gain a deeper understanding of the biological activity of this protein. However, by contrast with other proteins, such as enzymes or transcription factors, the biological functions of which are strictly defined by a stable spatial structure imprinted by their amino acid sequence, calreticulin contains intrinsically disordered regions, the structure of which represents a highly dynamic conformational ensemble characterized by constant changes between several metastable conformations in response to a variety of environmental cues. This article will illustrate the Theory of calreticulin as an intrinsically disordered protein and discuss the Hypothesis that the dynamic conformational changes to which calreticulin may be subjected by environmental cues, by promoting or restricting the exposure of its active sites, may affect its function under normal and pathological conditions. PMID- 29218308 TI - Opportunities for CRISPR/Cas9 Gene Editing in Retinal Regeneration Research. AB - While retinal degeneration and disease results in permanent damage and vision loss in humans, the severely damaged zebrafish retina has a high capacity to regenerate lost neurons and restore visual behaviors. Advancements in understanding the molecular and cellular basis of this regeneration response give hope that strategies and therapeutics may be developed to restore sight to blind and visually-impaired individuals. Our current understanding has been facilitated by the amenability of zebrafish to molecular tools, imaging techniques, and forward and reverse genetic approaches. Accordingly, the zebrafish research community has developed a diverse array of research tools for use in developing and adult animals, including toolkits for facilitating the generation of transgenic animals, systems for inducible, cell-specific transgene expression, and the creation of knockout alleles for nearly every protein coding gene. As CRISPR/Cas9 genome editing has begun to revolutionize molecular biology research, the zebrafish community has responded in stride by developing CRISPR/Cas9 techniques for the zebrafish as well as incorporating CRISPR/Cas9 into available toolsets. The application of CRISPR/Cas9 to retinal regeneration research will undoubtedly bring us closer to understanding the mechanisms underlying retinal repair and vision restoration in the zebrafish, as well as developing therapeutic approaches that will restore vision to blind and visually-impaired individuals. This review focuses on how CRISPR/Cas9 has been integrated into zebrafish research toolsets and how this new tool will revolutionize the field of retinal regeneration research. PMID- 29218309 TI - Kinematic Changes during Prolonged Fast-Walking in Old and Young Adults. AB - Walking biomechanics is known to be influenced by speed. However, most of the research examining the effects of walking speed and gait characteristics has been conducted after a fast-walking task, neglecting the changes that may occur during the task. The aim of the present study was to determine the impact of fast walking over time on kinematics in young and old adults. Twenty-seven young adults (26.6 +/- 6.0 years) and 23 old adults (71.0 +/- 5.6 years) walked at 70% of their maximum heart rate for 20 min or until exhaustion, and the effects of fast-walking on temporospatial parameters and on angular kinematics were analyzed during the activity. During the protocol, both age-groups increased step-width variability. Significant effects of time were found for the ankle and hip at toe off for the older group. For the younger group, only the ankle angle at heel strike changed over time. For both groups, fast-walking induced changes in the coordination among the lower-limb angles that were more prominent during the swing phase of the gait. In conclusion, lower-limb kinematics changes in young adults were compatible with early signs of fatigue. The increased step-width variability in older adults may indicate an augmented risk of falling. Changes in the lower-limb walking kinematics of old adults suggest that the adjustments for weight acceptance and body propulsion were restricted to the hip and ankle joints. The kinematic changes among the lower-limb joint angles during the swing phase may compromise the quality of gait. These findings provide a foundation for future studies in the assessment of the risk of falls in older adults associated with walking at a faster pace. PMID- 29218310 TI - Non-Invasive Hemodynamic Monitoring for Hemodynamic Management in Perioperative Medicine. PMID- 29218311 TI - The Role of Relationship Type, Risk Perception, and Condom Use in Middle Socioeconomic Status Black Women's HIV-prevention Strategies. AB - This research analyzes qualitative focus group and interview data from the Sister Circle Study- a pilot study that explored HIV risk among middle SES Black women ages 25- 45 in North Carolina. Findings reveal that gendered relationship dynamics, perceptions of a sex ratio imbalance, and levels of trust in relationships may reduce some women's ability to negotiate monogamy and condom use with their male partners. The research suggests that higher socioeconomic status does not fully buffer some middle SES Black women from HIV risk and highlights the role interpersonal and structural factors play in shaping HIV risk for this group. PMID- 29218313 TI - Factors associated with number of duodenal samples obtained in suspected celiac disease. AB - Background and study aims: Many people with celiac disease are undiagnosed and there is evidence that insufficient duodenal samples may contribute to underdiagnosis. The aims of this study were to investigate whether more samples leads to a greater likelihood of a diagnosis of celiac disease and to elucidate factors that influence the number of samples collected. Patients and methods: We identified patients from two community hospitals who were undergoing duodenal biopsy for indications (as identified by International Classification of Diseases code) compatible with possible celiac disease. Three cohorts were evaluated: no celiac disease (NCD, normal villi), celiac disease (villous atrophy, Marsh score 3), and possible celiac disease (PCD, Marsh score < 3). Endoscopic features, indication, setting, trainee presence, and patient demographic details were evaluated for their role in sample collection. Results: 5997 patients met the inclusion criteria. Patients with a final diagnosis of celiac disease had a median of 4 specimens collected. The percentage of patients diagnosed with celiac disease with one sample was 0.3 % compared with 12.8 % of those with six samples ( P = 0.001). Patient factors that positively correlated with the number of samples collected were endoscopic features, demographic details, and indication ( P = 0.001). Endoscopist factors that positively correlated with the number of samples collected were absence of a trainee, pediatric gastroenterologist, and outpatient setting ( P < 0.001). Conclusions: Histological diagnosis of celiac disease significantly increased with six samples. Multiple factors influenced whether adequate biopsies were taken. Adherence to guidelines may increase the diagnosis rate of celiac disease. PMID- 29218312 TI - Potassium Homeostasis, Oxidative Stress, and Human Disease. AB - Potassium is the most abundant cation in the intracellular fluid and it plays a vital role in the maintenance of normal cell functions. Thus, potassium homeostasis across the cell membrane, is very critical because a tilt in this balance can result in different diseases that could be life threatening. Both Oxidative stress (OS) and potassium imbalance can cause life threatening health conditions. OS and abnormalities in potassium channel have been reported in neurodegenerative diseases. This review highlights the major factors involved in potassium homeostasis (dietary, hormonal, genetic, and physiologic influences), and discusses the major diseases and abnormalities associated with potassium imbalance including hypokalemia, hyperkalemia, hypertension, chronic kidney disease, and Gordon's syndrome, Bartter syndrome, and Gitelman syndrome. PMID- 29218314 TI - Endoscopic pancreatic balloon sphincteroplasty for difficult to treat pancreatic stones and strictures: experience in 80 patients. AB - Background and aim: There is paucity of data about endoscopic pancreatic sphincteroplasty (EPS) after endoscopic pancreatic sphincterotomy (EPST) in the treatment of chronic pancreatitis. The aim of this study was to establish the indications for EPS, complications related to it, and to examine its effectiveness in managing chronic pancreatitis after a year of follow-up. Methods: We evaluated the safety and efficacy of pancreatic balloon dilation coupled with sphincterotomy for the treatment of chronic pancreatitis. The technical success rate of balloon dilation, stone clearance, frequency of pancreatic stenting, and procedure-related adverse events were recorded. Results: Out of 580 patients who underwent pancreatic endotherapy between July 2014 and February 2016, 80 patients underwent EPS. The mean age of these 80 patients was 34 +/- 11 years, and 80 % (n = 64) were males. The common indications were removal of large radiolucent stones in 31 patients; unyielding radiopaque stones post extracorporeal shock wave lithotripsy (ESWL) in 20 patients, and pancreatic duct stricture combined with stones in 29 patients. EPS could be successfully completed in 98.75 % of patients. Complete ductal clearance in a single session was achieved in only 25 patients, while 26 patients required two sessions. There were two adverse events of pain requiring admission for more than 24 hours and one procedure related bleeding, all of which were managed conservatively. The patients had an average follow-up of 8 months (6 - 12 months) and all the patients were pain free. Conclusions: Endoscopic pancreatic sphincteroplasty is a relatively safe procedure with a low incidence of complications and a high rate of treatment success. PMID- 29218315 TI - A novel lens cleaner to prevent water drop adhesions during colonoscopy and esophagogastroduodenoscopy. AB - Background and study aims: Water drop adhesions (WDA) impair endoscopic view during gastrointestinal endoscopy. We developed a novel lens cleaner designed using two types of harmLess surfactants and it is reported to be useful for preventing lens cloudiness during colorectal ESD. In the current study, we examined the ability of it for preventing and removing WDA. Patients and methods: During laboratory experiments, the cleaner (Cleash; Fujifilm Co., Tokyo, Japan and Nagase Medicals Co., Hyogo, Japan) was applied to the endoscopic lens and an air/water device (AWD) (water 200 mL, dimethicone 1 mL, Cleash 1 mL). The endoscope was submerged in water 100 times for 5 cycles. Rates of WDA were calculated for various groups (lens and AWD with or without Cleash) and compared to a normal cleaner (SL cleaner). During clinical research, 30 colonoscopies and 30 esophagogastroduodenoscopies were analyzed. For the Cleash group, the cleaner was applied to both lens and AWD. The numbers of WDA and WDA with non-rapid removal were calculated, compared to those of the SL cleaner group. Results: The mean WDA rate for the Cleash setting (lens: Cleash; AWD: Cleash) was 11.0 %, which was significantly lower than other settings (lens: SL cleaner; AWD: water, 31.0 %; P < 0.001) (lens: Cleash; AWD: water, 19.0 %; P < 0.001). Clinical research of colonoscopies indicated that the numbers of WDA (number/15 sec) and WDA with non-rapid removal were 0.38 and 0.17 for the Cleash group and 0.91 and 0.46 for the SL cleaner groups ( P < 0.001, P < 0.001). For esophagogastroduodenoscopies, the results were 0.47 and 0.24 for the Cleash group and 0.54 and 0.42 for the SL cleaner group ( P = 0.72, P = 0.018). Conclusion: A clear and beautiful image without WDA is useful not only for routine endoscopy but also, more importantly, for magnifying endoscopy and other endoscopic treatments. The use of Cleash to lens and AWD showed positive results for preventing and removing WDA during laboratory experiments and clinical research involving CS. Additionally, it also showed positive results for the removal of WDA during EGD. PMID- 29218316 TI - The feasibility of colorectal endoscopic submucosal dissection for the treatment of residual or recurrent tumor localized in therapeutic scar tissue. AB - Background and study aims: Endoscopic submucosal dissection (ESD) is used to treat superficial colorectal tumors. Previous studies have reported the efficacy of ESD for treating residual or local recurrent colorectal tumors. This study sought to evaluate the efficacy of ESD in treating these lesions and to assess factors that prevent successful ESD. Methods: This retrospective study assessed 25 cases of residual or local recurrent lesions that were previously treated using EMR (18 lesions), TEM (5 lesions), ESD (1 lesion) or surgery (1 lesion), and 459 primary lesions treated using ESD between April 2008 and September 2015. Clinicopathological characteristics, treatment outcome and adverse events were compared between groups with or without scar tissue. Factors related to perforation and a prolonged treatment time, which indicate the likelihood of technical difficulties, were identified using multiple logistic regression analysis. Results : In residual or local recurrent lesions groups, patients experienced more perforations (32 % vs 4 %, P < 0.001) and required a longer treatment time (117 min vs 61 min, P < 0.001) compared with the primary lesions group. Both groups showed a similar curative resection rate. Emergency surgery was not needed in any case. Multiple logistic regression analysis indicated that tumor location and therapeutic scar tissue were high risk factors for perforation, and that large tumor size and therapeutic scar tissue were high risk factors for prolonged treatment time. Conclusions : ESD for residual or local recurrent colorectal tumors is a technically challenging, but effective and minimally invasive treatment. When performed carefully with sufficient proficiency, it is a useful treatment option. PMID- 29218317 TI - Agreement between endoscopic ultrasound-guided fine-needle aspiration and endobiliary brush cytology in suspected pancreaticobiliary malignancies. AB - Background and study aims: For suspected pancreaticobiliary malignancies, endobiliary brush cytology during endoscopic retrograde cholangiopancreatography (ERCP) remains the diagnostic test of choice despite historically poor and variable sensitivity. This has led to increased use of endoscopic ultrasound guided fine-needle aspiration (EUS-FNA) as an initial test. Recently, our institution began using a cytology brush that was designed specifically to collect a more substantial and higher-quality sample. The aim of this study was to investigate whether this brush design would provide more adequate samples and have high agreement with EUS-FNA in patients who underwent both procedures. Patients and methods: A retrospective chart review was conducted of all patients who underwent both EUS-FNA and endobiliary brush cytology for suspicion of pancreaticobiliary malignancy from January 2013 to May 2015. A total of 41 patients met the inclusion criteria. Initially, sample quality was evaluated. Final cytology results were then assessed for agreement with EUS-FNA using Cohen's kappa. The effect of considering atypical cytology as negative was also uniquely evaluated by running separate analyses. Results: Brush cytology provided an adequate sample in 95.1 % of cases. Cohen's Kappa demonstrated moderate agreement between brush cytology and EUS-FNA: kappa = 0.42 ( P = 0.001). When atypical results were excluded, agreement increased: kappa = 0.60 ( P = 0.02), but remained moderate. If atypical results were considered "positive," the two procedures demonstrated equal cancer detection rates of 80.8 %. Conclusions: The studied brush provided more adequate samples compared with historical rates for brush cytology and had moderate agreement with EUS-FNA. If this brush truly increases sample adequacy, it could potentially provide results comparable to EUS-FNA at lower cost. PMID- 29218318 TI - Patient comfort scores do not affect endoscopist behavior during colonoscopy, while trainee involvement has negative effects on patient comfort. AB - Introduction : Patient comfort is an important part of endoscopy and reflects procedure quality and endoscopist technique. Using the validated, Nurse Assisted Patient Comfort Score (NAPCOMS), this study aimed to determine whether the introduction of NAPCOMS would affect sedation use by endoscopists. Patients and methods : The study was conducted over 3 phases. Phase One and Two consisted of 8 weeks of endoscopist blinded and aware data collection, respectively. Data in Phase Three was collected over a 5-month period and scores fed back to individual endoscopists on a monthly basis. Results : NAPCOMS consists of 3 domains - pain, sedation, and global tolerability. Comparison of Phase One and Two, showed no significant differences in sedative use or NAPCOMS. Phase Three data showed a decline in fentanyl use between individual months ( P = 0.035), but no change in overall NAPCOMS. Procedures involving trainees were found to use more midazolam ( P = 0.01) and fentanyl ( P = 0.01), have worse NAPCOMS scores, and resulted in longer procedure duration ( P < 0.001). Data comparing gastroenterologists and general surgeons showed increased fentanyl use ( P = 0.037), decreased midazolam use ( P = 0.001), and more position changes ( P = 0.002) among gastroenterologists. Conclusions : The introduction of a patient comfort scoring system resulted in a decrease in fentanyl use, although with minimal clinical significance. Additional studies are required to determine the role of patient comfort scores in quality control in endoscopy. Procedures completed with trainees used more sedation, were longer, and had worse NAPCOMS scores, the implications of which, for teaching hospitals and training programs, will need to be further considered. PMID- 29218319 TI - Low yield for non-targeted biopsies of the stomach and esophagus during elective esophagogastroduodenoscopy. AB - Background and study aims: Biopsies of non-specific mucosal findings are often performed during esophagogastroduodenoscopy (EGD). We sought to determine the prevalence and clinical utility of non-targeted biopsies of the stomach and esophagus. Patients and methods: We conducted a retrospective review of 949 outpatient EGDs performed at a US tertiary referral center. Non-targeted biopsies of the stomach were defined as either "normal" or "mild" to "moderate" "erythema" or "inflammation" without other endoscopic features. Non-targeted biopsies of the esophagus and gastroesophageal junction (GEJ) were defined as endoscopically "normal" mucosa. The primary outcome was the proportion of non-targeted biopsies resulting in "definite management change." Secondary outcomes included histopathologic diagnoses of Helicobacter pylori, intestinal metaplasia and esophageal eosinophilia. Results: Of 949 EGDs, 332 (35.0 %, 95 % CI 31.9 - 38.1 %) had a non-targeted biopsy taken at any site. Erythema in the gastric body and antrum was biopsied at a rate of 83 - 86 %, while biopsies of "normal"-appearing mucosa occurred at rates from 3 % (GEJ) to 15 % (body and antrum). The percentage of non-targeted biopsies that led to definite management change ranged from 5 % in the GEJ and esophagus to 9 % in the antrum, but did not significantly differ by mucosal appearance. Multivariable regression analyses suggested associations of language and age > 50 with management change from non-targeted gastric biopsy. Conclusions: Non-targeted biopsies of the stomach and esophagus led to definite management change in a small proportion of patients. Further studies are needed to identify patient and/or endoscopic characteristics and techniques to improve the yield of this practice. PMID- 29218320 TI - Predictive relevance of lymphovascular invasion in T1 colorectal cancer before endoscopic treatment. AB - Background and aim: The depth of tumor invasion is currently the only reliable predictive risk factor for lymph node metastasis before endoscopic treatment for colorectal cancer. However, the most important factor to predict lymph node metastasis has been suggested to be lymphovascular invasion rather than the depth of invasion. Thus, the aim of this study was to investigate the predictive relevance of lymphovascular invasion before endoscopic treatment. Methods: The data on pT1 colorectal cancers that were resected endoscopically or surgically from 2007 to 2015 were retrospectively reviewed. The cases were categorized into two groups: positive or negative for lymphovascular invasion. The following factors were evaluated by univariate and multivariate analyses: age and sex of the patients; location, size, and morphology of the lesion; and depth of invasion. Results: The positive and negative groups included 229 and 457 cases, respectively. Younger age ( P < 0.01), smaller lesion size ( P = 0.01), non-LST (LST: laterally spreading tumor) ( P < 0.01), presence of depression ( P < 0.01), and pT1b ( P < 0.01) were associated with lymphovascular invasion. In multivariate analysis, younger age (comparing patients aged <= 64 years with those aged > 65 years, OR, 1.81; 95 %CI, 1.29 - 2.53), presence of depression (OR, 1.97; CI, 1.40 - 2.77), non-LST features (OR, 1.50; CI, 1.04 - 2.15), and pT1b (OR, 3.08; CI, 1.91 - 4.97) were associated with lymphovascular invasion. Conclusion: Younger age, presence of depression, T1b, and non-LST are associated with lymphovascular invasion. Therefore, careful pathological diagnosis and surveillance are necessary for lesions demonstrating any of these four factors. PMID- 29218321 TI - Visual assessment of colorectal flat and depressed lesions by using narrow band imaging. AB - Background and study aims: Visual assessment of laterally spreading tumors non granular type (LST-NG) and depressed lesions by narrow band imaging (NBI) without magnification has not been studied. We investigated the role of non-magnifying NBI in detecting LST-NG and type IIc lesions on colonoscopy. Patients and methods: This retrospective study examined consecutive patients diagnosed as having LST-NG and/or type IIc lesions in our hospital between August 2011 and July 2013. These lesions were classified as "Brownish area (BA)," "Brown only in the margins (O-ring sign)," "Same color as the normal mucosa (SC)," and "Whitish area (WA)" based on their appearance on non-magnifying NBI, and their appearance were compared with their histopathological findings. Results: A total of 18 type IIc and 180 LST-NG lesions were analyzed. Among the type IIc lesions, 5 (28 %), 12 (67 %), and 1 (5 %) were classified as BA, O-ring sign, and SC, respectively. Among the LST-NG lesions, 126 (70 %), 26 (14 %), and 28 lesions (16 %) were classified as BA, O-ring sign, and SC, respectively. The IIc lesions were found to have 1 lesion (20 %) with high-grade dysplasia (HGD) in the BA, and 2 lesions (17 %) with invasive cancer (IC) in the O-ring sign group. Among the LST-NG lesions, 27 (21 %) were found to have IC and 49 (39 %), HGD in the BA group; 8 lesions (31 %) had IC and 4 (15 %) had HGD in the O-ring sign group; and 1 lesion (4 %) had IC and 4 (14 %) had HGD in the SC group. Conclusions: Most flat and depressed colorectal lesions were seen on non-magnifying NBI as brown lesions with the exception of some flat lesions that were indistinguishable in color from the adjacent normal mucosa. Some of these flat lesions were also found to have HGD or IC. PMID- 29218322 TI - Longer observation time increases adenoma detection in the proximal colon - a prospective study. AB - Background and study aims : Longer observation times are associated with increased adenoma detection rates (ADR) in the entire colon. However, adenomas in the proximal colon are at risk of being missed during colonoscopy. The aim of this study was to investigate the impact of observation time on detection of adenomatous polyps in the proximal colon. Patients and methods : This was a prospective study at a university hospital in Germany. Colonoscopies were conducted using magnetic endoscope imaging (MEI) in order to determine the exact position of the scope. Exact observation times spent for the detection of polyps in the proximal and distal colon segments were assessed. The primary outcome was adenoma detection in the proximal colon. ROC curves were generated in order to test the correlation between observation time and adenoma detection. Logistic regression analysis was used to check for interfering factors. Results: A total 480 procedures with 538 polyps were available for analysis. The overall adenoma detection rate was 38.5 %. ADR in the proximal colon was 28.0 %. There was a significant association between observation time in the proximal colon and the detection of proximal adenomas ( P < 0.001). The impact of the time factor on ADR was stronger in the proximal compared to the distal colon ( P = 0.030). A net period of 4 min 7 sec was found to be the minimum time span for sufficient adenoma detection in the proximal colon. Conclusion : Observation time is significant in terms of adenoma detection in the proximal colon. The impact of observation time on ADR is stronger in the proximal compared to the distal colon. In the proximal colon a minimum time span of 4 minutes should be spent in order to ensure adequate adenoma detection. PMID- 29218324 TI - Intellicount: High-Throughput Quantification of Fluorescent Synaptic Protein Puncta by Machine Learning. AB - Synapse formation analyses can be performed by imaging and quantifying fluorescent signals of synaptic markers. Traditionally, these analyses are done using simple or multiple thresholding and segmentation approaches or by labor intensive manual analysis by a human observer. Here, we describe Intellicount, a high-throughput, fully-automated synapse quantification program which applies a novel machine learning (ML)-based image processing algorithm to systematically improve region of interest (ROI) identification over simple thresholding techniques. Through processing large datasets from both human and mouse neurons, we demonstrate that this approach allows image processing to proceed independently of carefully set thresholds, thus reducing the need for human intervention. As a result, this method can efficiently and accurately process large image datasets with minimal interaction by the experimenter, making it less prone to bias and less liable to human error. Furthermore, Intellicount is integrated into an intuitive graphical user interface (GUI) that provides a set of valuable features, including automated and multifunctional figure generation, routine statistical analyses, and the ability to run full datasets through nested folders, greatly expediting the data analysis process. PMID- 29218325 TI - Protection of Meconium-Induced Lung Epithelial Injury by Protease Inhibitors. AB - Earlier work form this laboratory showed that exposure of alveolar epithelial cells (AECs) to meconium caused significant cell detachment and that meconium induced detachment of cells was prevented by a protease inhibitor cocktail. Therefore, it was hypothesized that protease inhibitors might protect AEC monolayers against meconium-induced collapse of epithelial barrier function both in vitro and in vivo. To investigate this theory in vitro, albumin flux was measured across cultured, confluent monolayers of human type II derived cell line A549 on microporous filter inserts. Human meconium was collected from seven healthy full-term neonates and the samples were pooled and diluted prior to analysis. Exposure of AECs to 5% human meconium increased albumin flux across the cultured AEC monolayers, but the increase was significantly blocked by protease inhibitors (P<0.001). In C57/BL6 mice, intratracheal instillation of 5% human meconium increased the passage of Evans Blue Dye (EBD) from the vascular compartment into the alveolar spaces, measured in bronchoalveolar lavage (BAL) fluid after intravenous injection of EBD. Moreover, intratrachial coinstillation of protease inhibitors prevented the meconium-induced increase in EBD passage into BAL fluid (P<0.01). The data presented herein clearly demonstrate that protease inhibitors protect AEC barrier function against meconium-induced injury, and suggest the future possibility of using protease inhibitors in the treatment of meconium aspiration syndrome. PMID- 29218323 TI - SAP97 Binding Partner CRIPT Promotes Dendrite Growth In Vitro and In Vivo. AB - The dendritic tree is a key determinant of neuronal information processing. In the motor system, the dendritic tree of spinal cord neurons undergoes dramatic remodeling in an activity-dependent manner during early postnatal life. This leads to the proper segmental spinal cord connectivity that subserves normal locomotor behavior. One molecular system driving the establishment of dendrite architecture of mammalian motor neurons relies on AMPA receptors (AMPA-Rs) assembled with the GluA1 subunit, and this occurs in an NMDA receptor (NMDA-R) independent manner. The dendrite growth promoting activity of GluA1-containing AMPA-Rs depends on its intracellular binding partner, SAP97, and SAP97's PDZ3 domain. We show here that cysteine-rich interactor of PDZ3 (CRIPT) is a bona fide SAP97 PDZ3-domain binding partner, localizes to synapses with GluA1 and SAP97 along the dendritic tree, and is a determinant of the dendritic growth of mammalian spinal cord neurons. We further show that CRIPT has a well-conserved ortholog in the nematode, Caenorhabditis elegans, and animals lacking CRIPT display decreased dendrite branching of the well-studied PVD neuron in vivo. The lack of CRIPT leads to a selective defect in touch perception, and this is rescued by expression of wild-type (WT) human CRIPT (hCRIPT) in the nervous system. This work brings new light into the molecular machinery that drives dendritic growth during development and may prove relevant to the promotion of nervous system plasticity following insult. PMID- 29218326 TI - Study protocol: A multi-centre, double blind, randomised, placebo-controlled, parallel group, phase II trial (RIDD) to determine the efficacy of intra-nodular injection of anti-TNF to control disease progression in early Dupuytren's disease, with an embedded dose response study. AB - Dupuytren's disease is a common fibrotic condition of the hand affecting 4% of the population and causes the fingers to curl irreversibly into the palm. It has a strong familial tendency, there is no approved treatment for early stage disease, and patients with established digital contractures are most commonly treated by surgery. This is associated with prolonged recovery, and less invasive techniques have high recurrence rates.The myofibroblasts, the cells responsible for the excessive matrix deposition and contraction, are aggregated in nodules. Using excised diseased and control human tissue, we found that immune cells interspersed amongst the myofibroblasts secrete cytokines. Of these, only tumour necrosis factor (TNF) promoted the development of myofibroblasts. The clinically approved anti-TNF agents led to inhibition of the myofibroblast phenotype in vitro. This clinical trial is designed to assess the efficacy of the anti-TNF agent adalimumab on participants with early disease. The first part is a dose ranging study where nodules of participants already scheduled for surgery will be injected with either placebo (saline) or varying doses of adalimumab. The excised tissue will then be analysed for markers of myofibroblast activity.The second part of the study will recruit participants with early stage disease. They will be randomised 1: 1 to receive either adalimumab or placebo at 3 month intervals over 1 year and will then be followed for a further 6 months. Outcome measures will include nodule hardness, size and disease progression. The trial will also determine the cost-effectiveness of adalimumb treatment for this group of participants. PMID- 29218327 TI - Vesicle impact electrochemical cytometry compared to amperometric exocytosis measurements. AB - Three new tools are discussed for understanding chemical communication between cells and primarily to delve into the content and structure of nanometer transmitter vesicles. These are amperometric measurements of exocytosis, vesicle impact electrochemical cytometry, and intracellular vesicle impact electrochemical cytometry. These are combining in the end nanoscale mass spectrometry imaging to begin determination of vesicle structure. These methods have provided solid evidence for the concept of open and closed exocytosis leading to partial release of the vesicle content during normal exocytosis. They have also been used to discover cases where the fraction of transmitter released is not changed, and other cases where the vesicle transmitter fraction released is altered, as with zinc, thought to alter cognition. Overall, the combination of these methods is showing us details of vesicular processes that would not be measureable without these micro and nano electrochemical methods. PMID- 29218328 TI - Tobacco Control at Community Colleges: Context and Opportunities. AB - Introduction: Tobacco use among United States college-aged students remains higher than that of the national average. While a majority of public health literature has explained smoking programs and policies at traditional four-year colleges and universities, little research exists on programs and policies at two year community colleges. It is important to understand such efforts at these institutions as they have vastly different infrastructures and enroll a more diverse and at-risk student body compared to traditional four-year colleges. Methods: The role of community colleges in health efforts aimed at smoking was examined at four community colleges. Qualitative research methods included 18 interviews and four focus groups (N=55), document review, and direct environmental observation. Results: Community colleges offered a limited number of smoking cessation and secondhand smoke prevention initiatives. All colleges provided cessation literature, though additional programming varied by college. Indoor and outdoor smoking policies existed on all campuses though enforcement was problematic. Little evidence was found that current program and policy approaches are based upon best practices or are being employed successfully. Conclusions: Future tobacco control initiatives at community colleges need to require little infrastructure and minimal staffing, and be low cost. Cessation tools for students must be convenient, understandable, and accessible from multiple locations. Feasible approaches for future initiatives could include testing low cost technology such as Web Assisted Tobacco Interventions (WATI) and outside partnerships with community organizations and health agencies. Policy enforcement could be improved with tobacco policy education at orientation for students, faculty and staff. PMID- 29218329 TI - High-mobility-group protein 2 regulated by microRNA-127 and small heterodimer partner modulates pluripotency of mouse embryonic stem cells and liver tumor initiating cells. AB - High-mobility-group protein 2 (HMGB2) expression is upregulated in human liver cancer. However, little is known about its regulatory function. Here we establish HMGB2 as a new modulator of the pluripotency of mouse embryonic stem cells (ESCs). Similar to OCT4 and SOX2, HMGB2 protein is highly expressed in undifferentiated CGR8 cells, whereas it undergoes rapid decline during embryonic body (EB) formation. HMGB2 interacts with OCT4, increases protein expression of OCT4 and SOX2, and enhances their transcriptional activities. We also show that miRNA-127 is a translational repressor of HMGB2 protein expression by targeting its 3'UTR. We further elucidate a trancrptional mechanism controlling HMGB2 mRNA expression by nuclear receptor SHP and transcription factor E2F1. Diminishing HMGB2 expression by ectopic expression of miR-127 or SHP, or treatment with a small molecule inhibitor inflachromene (ICM), decreases OCT4 and SOX2 expression and facilitates CGR8 differentiation. In addition, HMGB2 is markedly induced in liver tumor initiating cells (TICs). Diminishing HMGB2 expression by shHMGB2, miR 127 or SHP impaires spheroid formation. Importantly, HMGB2 expression is elevated in various human cancers. Conclusion: HMGB2 acts upstream of the OCT4/SOX2 signaling to control ESCs pluripotency. Diminishing HMGB2 expression by miR-127 or SHP may provide a potential means to decrease the pluripotency of tumor initiating cells. PMID- 29218330 TI - Interactive effects of parental age on offspring fitness and age-assortative mating in a wild bird. AB - Variation in parental age can have important consequences for offspring fitness and the structure of populations and disease transmission. However, our understanding of the effects of parental age on offspring in natural populations is limited. Here, we investigate consequences of parental age for offspring fitness and test for age-assortative mating in a short-lived bird, the house wren (Troglodytes aedon). Offspring immunoresponsiveness increased with maternal age and decreased with paternal age, but the strength of these effects varied with the age of one's mate. Offspring immunoresponsiveness was augmented most with older mothers and younger fathers. Thus, we expected this combination of ages to yield the highest offspring fitness. However, offspring recruitment, longevity, and lifetime reproductive success were greatest when both parents were of above average age. Consistent with the interactive effects of parental age on offspring fitness, we detected positive age-assortative mating among breeding pairs. Our results suggest that selection favors age-assortative mating, but in different ways depending on how parental ages affect offspring. We suggest that, in this short-lived species, selection for combinations of parental ages that maximize offspring immune responses is likely weaker than selection to produce breeding adults. PMID- 29218331 TI - JustPoint: Identifying Colors with a Natural User Interface. AB - People with severe visual impairments usually have no way of identifying the colors of objects in their environment. While existing smartphone apps can recognize colors and speak them aloud, they require the user to center the object of interest in the camera's field of view, which is challenging for many users. We developed a smartphone app to address this problem that reads aloud the color of the object pointed to by the user's fingertip, without confusion from background colors. We evaluated the app with nine people who are blind, demonstrating the app's effectiveness and suggesting directions for improvements in the future. PMID- 29218333 TI - Secure and Efficient k-NN Queries. AB - Given the morass of available data, ranking and best match queries are often used to find records of interest. As such, k-NN queries, which give the k closest matches to a query point, are of particular interest, and have many applications. We study this problem in the context of the financial sector, wherein an investment portfolio database is queried for matching portfolios. Given the sensitivity of the information involved, our key contribution is to develop a secure k-NN computation protocol that can enable the computation k-NN queries in a distributed multi-party environment while taking domain semantics into account. The experimental results show that the proposed protocols are extremely efficient. PMID- 29218332 TI - Evaluating Author and User Experience for an Audio-Haptic System for Annotation of Physical Models. AB - We describe three usability studies involving a prototype system for creation and haptic exploration of labeled locations on 3D objects. The system uses a computer, webcam, and fiducial markers to associate a physical 3D object in the camera's view with a predefined digital map of labeled locations ("hotspots"), and to do real-time finger tracking, allowing a blind or visually impaired user to explore the object and hear individual labels spoken as each hotspot is touched. This paper describes: (a) a formative study with blind users exploring pre-annotated objects to assess system usability and accuracy; (b) a focus group of blind participants who used the system and, through structured and unstructured discussion, provided feedback on its practicality, possible applications, and real-world potential; and (c) a formative study in which a sighted adult used the system to add labels to on-screen images of objects, demonstrating the practicality of remote annotation of 3D models. These studies and related literature suggest potential for future iterations of the system to benefit blind and visually impaired users in educational, professional, and recreational contexts. PMID- 29218334 TI - Thiazolium salt-catalyzed C-C triple bond cleavage for accessing substituted 1 naphthols via benzannulation. AB - The first thiazolium salt-catalyzed C-C triple bond cleavage of benzene-linked allene-ynes has been established. The reaction pathway involves [2+2] cycloaddition and ring-opening of in situ generated cyclobutenes with H2O under mild and convenient conditions, and provides practical access to substituted 1 naphthols with potentially valuable applications. PMID- 29218335 TI - Chiral amine-catalyzed asymmetric conjugate addition of aldehydes to alpha phenylselenoenones as formal Z-allylating agents. AB - alpha-Selenoenones could be employed as Z-allyl precursors in the chiral amine catalyzed asymmetric conjugate addition of aldehydes. The obtained formal allylation product, a Z-olefin having a sulfonate leaving group, was employed as a synthetically useful chiral alkylating agent. PMID- 29218336 TI - Chemical signaling involved in plant-microbe interactions. AB - Microorganisms are found everywhere, and they are closely associated with plants. Because the establishment of any plant-microbe association involves chemical communication, understanding crosstalk processes is fundamental to defining the type of relationship. Although several metabolites from plants and microbes have been fully characterized, their roles in the chemical interplay between these partners are not well understood in most cases, and they require further investigation. In this review, we describe different plant-microbe associations from colonization to microbial establishment processes in plants along with future prospects, including agricultural benefits. PMID- 29218337 TI - Synthesis and photoelectrocatalytic activity of In2O3 hollow microspheres via a bio-template route using yeast templates. AB - Indium oxide (In2O3) hollow microspheres were prepared using yeast as a bio template with the aid of a precipitation method. The yeast provided a solid frame for the deposition of In(OH)3 to form the precursor. The resulting In2O3 hollow microspheres were obtained by calcining the precursor at 650 degrees C. The samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption desorption isotherms and UV-Vis diffuse reflectance spectroscopy. The results showed that the diameter of the In2O3 hollow microspheres was about 2.0-3.0 MUm and the spherical shells were composed of In2O3 nanoparticles with a size of ~20 nm. The BET specific surface area of the sample was 19.23 m2 g-1. The photoelectrocatalytic test results showed that the photoelectrocatalytic degradation efficiency of methylene blue (MB) using In2O3 hollow microspheres as catalysts under visible light irradiation and a certain voltage could reach above 95% after 4 hours, much higher than that of only photodegradation. The enhanced photoelectrocatalytic activity could be attributed to the hydroxyl radicals HO produced by the light irradiation reaction process which could oxidize the electron donors and were beneficial to reducing the recombination of electrons and holes. PMID- 29218338 TI - Probing Co- and Fe-doped LaMO3 (M = Ga, Al) perovskites as thermal sensors. AB - The synthesis of a Co-doped or Fe-doped La(Ga,Al)O3 perovskite via the Pechini process aimed to achieve a color change induced by temperature and associated with spin crossover (SCO). In Fe-doped samples, iron was shown to be in the high spin state, whereas SCO from the low-spin to the high-spin configuration was detected in Co-doped compounds when the temperature increased. Fe-doped compounds clearly adopted the high-spin configuration even down to 4 K on the basis of Mossbauer spectroscopic analysis. The original SCO phenomenon in the Co-doped compounds LaGa1-xCoxO3 (0 < x < 0.1) was evidenced and discussed on the basis of in situ X-ray diffraction analysis and UV-vis spectroscopy. This SCO is progressive as a function of temperature and occurs over a broad range of temperatures between roughly 300 degrees C and 600 degrees C. The determination of a crystal field strength of about 2 eV and a Racah parameter B of about 500 cm 1 for Co3+ (3d6) ions show that these values allow the occurrence of SCO. Hence, this study shows the possibility of using LaGa1-xCoxO3 compounds as thermal sensors at low Co contents (x = 0.02). The competition between steric and electronic effects in LaGaO3 in which Co3+ is stabilized in the LS state shows that electronic effects with the creation of M-O covalent bonds are predominant and contribute to the stabilization of a high crystal field around Co3+ (LS) although its ionic radius is smaller in comparison with that of Ga3+. PMID- 29218339 TI - Aerobic oxidative acylation of nitroarenes with arylacetic esters under mild conditions: facile access to diarylketones. AB - A facile and regioselective base-mediated aerobic oxidative acylation of nitroarenes to access diarylketones under mild conditions has been developed. It features the use of bench-stable and readily available arylacetates as acyl surrogates, and the absence of transition-metals and synthetic oxidants. This protocol involves a cascade CDC/oxidative decarboxylation process. PMID- 29218340 TI - Coexisting properties of thermostability and ultraviolet radiation resistance in the main S-layer complex of Deinococcus radiodurans. AB - Deinococcus radiodurans is well known for its unusual resistance to different environmental stresses. Recently, we have described a novel complex composed of the surface (S)-layer protein DR_2577 and the carotenoid deinoxanthin. We also showed a role of this complex in the UV resistance under desiccation. Both these properties, UV and desiccation resistance, suggest a selective pressure generated by Sun irradiation. In order to confirm this hypothesis we checked whether this S layer Deinoxanthin Binding Complex (SDBC) has features of thermo-resistance, a property also expected in proteins evolved under solar irradiative pressure. We performed the spectroscopic characterization of the SDBC by means of thermal shift assay, circular dichroism and related in silico analysis. Our findings identify a stability typical of thermo-adapted proteins and provide a new insight into the origin of specific S-layer types. The results are discussed in terms of co-evolutionary mechanisms related to Sun-induced desiccation and heat. PMID- 29218341 TI - Templated co-assembly into nanorods of polyanions and artificial virus capsid proteins. AB - Recombinant triblock polypeptides C-Sn-B, where C is a 400 amino acid long hydrophilic random coil block, Sn is a multimer of the silk-like octapeptide S = (GAGAGAGQ), and B = K12 is an oligolysine, have previously been shown to encapsulate double stranded DNA into rod-shaped, virus-like particles. In order to gain insight of the co-assembly process, and in order to be able to use these proteins for templating other types of nanorods, we here explore their co assembly with a range of polyanionic templates: poly(acrylic acids) (PAA) of a wide range of lengths, poly(styrene sulphonate) (PSS) and the stiff anionic polysaccharide xanthan. The formation of the complexes was characterized using Dynamic Light Scattering (DLS), cryogenic Transmission Electronic Microscopy (Cryo-TEM) and Atomic Force Microscopy (AFM). Except at very high molar masses, we find that flexible anionic PAA and PSS lead to co-assembly of proteins with single polyanion chains into nanorods, with a packing factor as expected on the basis of charge stochiometry. Only for very long PAA templates (8 * 105 Da) we find evidence for heterogeneous complexes with thin and thick sections. For the very stiff xanthan chains, we find that its stiffness precludes co-assembly with the artificial viral capsid proteins into condensed and regular nanorods. Given the simple and robust formation of rod-like structures with a range of polyanionic templates, we anticipate that the artificial virus proteins will be useful for preparing high-aspect ratio nanoparticles and scaffolds of precise size and find applications in nanotechnology and materials science for which currently natural rod-like viruses are being explored. PMID- 29218342 TI - Self-assembled N-graphene nanohollows enabling ultrahigh energy density cathode for Li-S batteries. AB - Functional porous carbon materials are widely used to solve the low conductivity and shuttle effect of Li-S batteries; however, the common carbon/sulfur composite electrodes based on traditional technology (with conducting agents and binders) make it difficult for a battery to work stably at an ultra-high sulfur loading of 10 mg cm-2. Herein, an appropriate content of sulfur was injected into a pomegranate-like structure self-assembled with nanohollows (PSSN) of N-graphene. The Li-PSSN/S battery based on traditional technology displays a large-capacity, high-rate and long-life at an ultra-high areal-sulfur loading of 10.1 mg cm-2. The excellent performance with ultra-high areal-sulfur loading can be attributed to the hierarchal nanohollows with graphene-shells being in close contact to build a 3D-electronic conduction network and promoting electrolyte adsorption into the entire electrode to maintain rapid Li-ion transport, while stopping the shuttle-effect via the strong interaction of polysulfide with the doped N elements on graphene-shells. In addition, the exact sulfur content can provide just enough space to maintain the huge volume change and constant thickness of the S-electrodes during the charge-discharge process to enhance the cycling stability. PMID- 29218343 TI - Cyanine dyes as ratiometric fluorescence standards for the far-red spectral region. AB - Most quantitative fluorescence measurements report emission quantum yields by referring the integrated fluorescence profile to that of a well-known standard compound measured under carefully controlled conditions. This simple protocol works well provided an appropriate standard fluorophore is available and that the experimental conditions used for reference and unknown are closely comparable. Commercial fluorescence spectrophotometers tend to perform very well at wavelengths between 250 and 650 nm but are less responsive at longer wavelengths. There are no recognized emission standards for the far-red region. We now report fluorescence quantum yields for a series of commercially available cyanine dyes in methanol solution at room temperature. The compounds are selected to span the wavelength region from 600 to 850 nm, with absolute emission quantum yields being determined by thermal blooming spectrometry. Calibration of the instrument is made by reference to aluminium(iii) phthalocyanine tetrasulfonate and aza-BODIPY in methanol. PMID- 29218344 TI - Generation of dipeptidyl peptidase IV (DPP-IV) inhibitory peptides during the enzymatic hydrolysis of tropical banded cricket (Gryllodes sigillatus) proteins. AB - Tropical banded crickets (Gryllodes sigillatus) were studied for their ability to yield hydrolysates with dipeptidyl peptidase IV (DPP-IV) inhibitory properties. A cricket protein isolate (CPI) was prepared following extraction of the water soluble proteins from G. sigillatus powder (CP). The extraction yield and purity were 20.90 +/- 0.35% and 57.0 +/- 2.23%, respectively. Endogenous proteinase activities were detected in the CP, which were linked to the significant protein breakdown seen in this sample. Fifteen CPI hydrolysates (H1-H15) were generated with ProtamexTM using a design of experiments (DOE) approach combining three parameters, temperature (40, 50 and 60 degrees C), enzyme to substrate ratio (E : S, 0.50, 1.25 and 2.00% (w/w)) and hydrolysis time (60, 150 and 240 min). The DPP-IV half maximal inhibitory concentrations (IC50) of the CPI hydrolysates ranged from 0.40 +/- 0.03/0.40 +/- 0.02 (H2/H3) to 1.01 +/- 0.07 mg mL-1 (H7). Following simulated gastrointestinal digestion (SGID), the DPP-IV IC50 of CPI decreased (>3.57 vs. 0.78 +/- 0.04 mg mL-1) while that of H5 increased (0.47 +/- 0.03 vs. 0.71 +/- 0.06 mg mL-1). This study has demonstrated for the first time that G. sigillatus protein hydrolysates are able to inhibit DPP-IV. The study of these hydrolysates in vivo is needed to evaluate their potential role in glycaemic management. PMID- 29218345 TI - A coelenterazine-type bioluminescent probe for nitroreductase imaging. AB - Novel coelenterazine-type bioluminescent probes have been designed and synthesized to detect nitroreductase (NTR) in hypoxic tumors. The design strategy is that NTR catalyzes the reduction of the nitrobenzyl moiety to the aniline group with an electron donor, thus resulting in 1,4 or 1,6-rearrangement elimination to release coelenterazine analogues, which can be catalyzed by Renilla luciferase to emit bioluminescence. After careful evaluation, almost all probes had a 3-fold greater response for NTR over other biologically relevant substances at >100-fold dose more than NTR. In the dose-independent and selectivity study, probes A1, A2 and A5 presented a high selectivity in a dose dependent manner. Overall, among all molecules, probe A5 showed high sensitivity, low cytotoxicity and good compatibility, so as to be successfully applied for assessing the hypoxic status in cellulo and in vivo as the first coelenterazine type bioluminescent probe. PMID- 29218346 TI - The synthesis of a monodisperse quaternary ferrite (FeCoCrO4) from the hot injection thermolysis of the single source precursor [CrCoFeO(O2CtBu)6(HO2CtBu)3]. AB - Monodisperse cobalt chromium ferrite (FeCoCrO4) nanoparticles have been synthesised using the trimetallic pivalate cluster [CrCoFeO(O2CtBu)6(HO2CtBu)3]. The precursor was thermolysed in oleylamine and oleic acid, with diphenyl ether as the solvent at 260 degrees C. The effect of time and the concentration of the precursor on the stoichiometry of the phase formed and/or the morphology of the nanoparticles was studied. The reaction time was investigated by withdrawing aliquots at different times. No products were formed after 5 minutes and aliquots withdrawn at reaction times of less than 1 hour contain traces of iron oxide (Fe2O3); only cubic cobalt chromium ferrite (FeCoCrO4) was obtained after one hour. Transmission Electron Microscopy (TEM) showed that more monodisperse spherical ferrite nanoparticles (4.0 +/- 0.4 nm) were obtained at higher precursor concentrations. Magnetic measurements revealed that all the ferrite particles are superparamagnetic at room temperature but showed large hysteresis at low temperature. The nanoparticles were characterised by Powder X-Ray Diffraction (p-XRD) and Transmission Electron Microscopy (TEM). A Superconducting Quantum Interference Device (SQUID) was used to analyse the magnetic properties of the nanoparticles. PMID- 29218347 TI - Electrochemical hydrogenation of a benzannulated pyridine to a dihydropyridine in acidic solution. AB - The electrochemistry of pyridines in acidic solution is dominated by a 'weak acid' reduction on the cyclic voltammetry timescale. Here we show that electrochemical hydrogenation of a benzannulated pyridine, phenanthridine (1), to the biomimetic hydride donor 1,2-dihydrophenanthridine (1-H2) can occur selectively at glassy carbon electrodes over longer timescales of potentiostatic electrolysis. PMID- 29218348 TI - Correction: A simple model of burst nucleation. AB - Correction for 'A simple model of burst nucleation' by Alexandr Baronov et al., Phys. Chem. Chem. Phys., 2015, 17, 20846-20852. PMID- 29218350 TI - Comment on "Thermal compaction of the intrinsically disordered protein tau: entropic, structural, and hydrophobic factors" by A. Battisti, G. Ciasca, A. Grottesi and A. Tenenbaum, Phys. Chem. Chem. Phys., 2017, 19, 8435. AB - In a recent article, A. Battisti et al., Phys. Chem. Chem. Phys., 2017, 19, 8435, results from SAXS measurements, metadynamic trajectories and classic MD trajectories at different temperatures have been used to study the temperature induced compaction of the intrinsically disordered protein tau. The analysis, though technically sound, does not provide a clear explanation of hydrophobic interaction strengthening on increasing the temperature and its relationship with the population increase of secondary structural elements. Actually, hydrophobic interaction is driven by the gain in translational entropy of water molecules associated with the decrease in solvent-excluded volume due to chain compaction. The magnitude of this solvent-excluded volume effect increases with temperature in water because the density of water is almost temperature-independent due to the strength of H-bonds. Since alpha-helix formation leads to a significant decrease in the solvent-excluded volume, the connection with hydrophobic interaction and chain compaction emerges directly. PMID- 29218349 TI - Core hydrophobicity tuning of a self-assembled particle results in efficient lipid reduction and favorable organ distribution. AB - Atherosclerosis, the deadliest disease in the United States, arises due to the build up of plaques in the arteries as a result of excessive cholesterol deposition and an impaired cholesterol removal process. High density lipoproteins (HDL), popularly known as "good cholesterol", are naturally occurring nano-sized particles that, along with apolipoproteins, are deployed to maintain cholesterol homeostasis in the body. Both cholesterol efflux, from the fat-laden macrophages in the arteries, and intracellular lipid transport, to deliver cholesterol to the mitochondria of liver cells for metabolism, hold key responsibilities to maintain healthy lipid levels inside the body. We designed a library of nine mitochondria targeted polymer-lipid hybrid nanoparticles (NPs), comprised of completely synthetic yet biodegradable components, that are capable of performing HDL-like functions. Using this library, we optimized a superior mitochondria targeted NP candidate, which can show favourable organ distribution, therapeutic potential, and non-toxic properties. Two targeted NP formulations with optimum NP size, zeta potential, and cholesterol binding and release properties were identified. Lipid reduction and anti-oxidative properties of these two NPs demonstrated cholesterol removal ability. In vivo therapeutic evaluation of the targeted-NP formulations in apolipoprotein E knockout (apoE-/-) mice indicated lipid reduction and anti inflammatory properties compared to non-targeted NPs. This synthetic targeted NP with potential abilities to participate in both extra- and intracellular cholesterol transport might potentiate therapeutic interventions for heart diseases. PMID- 29218351 TI - Synthesis and characterization of pyrrolyldipyrrin F-BODIPYs. AB - A series of synthetic analogs of the tripyrrolic natural product prodigiosin were complexed with boron trifluoride to generate the corresponding F-BODIPYs. The maximum wavelengths of absorption and emission of the pyrrolyldipyrrin F-BODIPYs were tuned through variation of the substituents about the pyrrolyldipyrrinato core. The limited variation of substituents on the C-ring did not significantly affect absorption and emission. However, variation of substituents on the B-ring and A-ring resulted in a corresponding red-shift in absorption and emission reaching maximum wavelengths of 600 nm. The presence of electron donating substituents on the B-ring caused a decrease in the Stokes shift, while the presence of electron-withdrawing substituents caused an increase, ranging from 3 25 nm. Stokes shifts were solvent-dependant for some compounds. The inclusion of a dimethylamino group resulted in photo-induced electron transfer and thus quenched fluorescence which was restored upon protonation. PMID- 29218352 TI - An ultra-low frictional interface combining FDTS SAMs with molybdenum disulfide. AB - Interfacial friction is of crucial importance to ensure the friction-reducing and anti-wear properties of mechanical microstructures in micro/nanoelectromechanical systems (MEMS/NEMS). An ultra-low frictional interface combining hydrophobic 1H,1H,2H,2H-perfluorodecyltrichlorosilane (FDTS) self-assembled monolayers (SAMs) coated on an AFM tip with mechanically exfoliated molybdenum disulfide (MoS2) nanosheets deposited on a planar Si/SiO2 substrate was achieved. The FDTS SAMs/MoS2 interface between the FDTS SAMs and the MoS2 nanosheets exhibits an ultra-low friction force that is independent of the relative humidity. The incommensurate contact with ultra-low energy dissipation between FDTS and MoS2 nanosheets and hydrophobic surface properties lead to this ultra-low frictional FDTS SAMs/MoS2 interface. Also, the MoS2 nanosheets have a high elastic modulus, which gives them a smaller contact area than the FDTS SAMs and contributes to the low friction. The excellent hydrophobic properties of both the FDTS SAMs and MoS2 enable them to be unaffected by the relative humidity by preventing the capillary interaction. This study paves the way for extensive applications in reducing the friction of nanoscale contact interfaces. PMID- 29218353 TI - Manipulating and quantifying spin states in solution as a function of pressure and temperature. AB - Monitoring the spin states of species in solution is a crucial aspect of understanding magnetic properties as well as spin-labile sensing, supramolecular, catalytic and biochemical processes. Herein, we describe the first quantitative variable-pressure and variable-temperature method of determining spin states in solution, demonstrate that it is accurate, and identify a simultaneous T and P sensor system. PMID- 29218354 TI - 'AIE + ESIPT' assisted photorelease: fluorescent organic nanoparticles for dual anticancer drug delivery with real-time monitoring ability. AB - 'Aggregation Induced Emission + Excited State Intramolecular Proton Transfer (AIE + ESIPT)'-assisted photorelease of an anticancer drug by a p-hydroxyphenacyl (pHP) phototrigger with real-time monitoring has been demonstrated. PMID- 29218355 TI - The next generation vanadium flow batteries with high power density - a perspective. AB - Vanadium flow batteries (VFBs) have received increasing attention due to their attractive features for large-scale energy storage applications. However, the relatively high cost and severe polarization of VFB energy storage systems at high current densities restrict their utilization in practical industrial applications. Optimization of the performance of key VFB materials, including electrodes, electrolytes and membranes, can realize simultaneous minimization of polarization and capacity decay. The power density and energy density of VFBs are thus simultaneously enhanced. Moreover, relevant theoretical mechanisms and foundations based on virtual investigations of VFB models and simulations can guide these optimizations. The improved power density and energy density can reduce the cost of VFB energy storage systems, accelerating their successful industrialization. In this perspective, modification methods to optimize the performance of key VFB materials and investigations of models and simulations of VFBs will be discussed. Therefore, the available ideas and approaches will be provided to direct further improvements in the power density and energy density of VFB systems. PMID- 29218356 TI - Two-color vibrational imaging of glucose metabolism using stimulated Raman scattering. AB - A two-color vibrational imaging technique for simultaneously mapping glucose uptake and incorporation activity inside single living cells is reported. Heterogeneous patterns of glucose metabolism are directly visualized from the ratiometric two-color images for various cell types, cells undergoing epithelia to-mesenchymal transitions and live mouse brain tissues. The two-color imaging of glucose metabolism here demonstrates the development of multi-functional vibrational probes for multicolor imaging of cellular metabolism. PMID- 29218358 TI - ? PMID- 29218357 TI - Response to letter to the editor from Dr Rahman Shiri: The challenging topic of suicide across occupational groups. AB - We thank Dr Rahman Shiri (1) for his careful reading of our systematic review and meta-analysis on suicide among agricultural, forestry, and fishery workers (2). Our paper had the objective of providing a pooled effect size of suicide for this occupational group. Suicide is a crucial issue in public and occupational health. Suicide has a multifactorial etiology and recent systematic reviews and meta analyses have pointed out the role of occupational exposures, mainly psychosocial work stressors, as risk factors for suicide (3, 4). Suicide is a very rare event in the general population and still more seldom in the working population. Indeed, unemployed and economically inactive people have a higher risk of suicide compared to employed people (5, 6). However, the total number of suicides is greater in the employed population than among the economically inactive or unemployed (6). Shiri's letter (1) questioned several aspects of our review and meta-analysis. One comment related to the single reference database used in our review and a suggestion that our review could not be considered to be systematic. The review was based on Medline because our main interest was in quantitative epidemiologic studies. This is the largest database for biomedical literature and we would argue the most pertinent. Furthermore, we checked the reference lists of the most recent papers and literature reviews, and Shiri did not report any paper that was missing. No review, whether searching one or more databases, can expect to be totally exhaustive. There may always be missing studies, especially if we consider grey literature. Thus we assert that our review was systematic, while acknowledging that it may not be perfectly comprehensive. Shiri suggested an absence of quality assessment of the studies included in our meta-analysis. First, quality was considered in the context of our comments in the discussion section. Second, as suggested by Rothman et al (7), quality assessment was replaced by regression analyses of the effect of each quality item (study characteristics, ie, study design, effect measure, reference group, and adjustment). Third, because most studies included in this review were based on objective data (census, administrative, or register data), they were free of many of the sources of bias that exist in studies where information on exposure and outcome must be collected from participants. Consequently, many of the items related to quality were not pertinent, such as response and follow-up rates, coverage and representativeness of the sample, selection, etc. Contrary to what Shiri suggested, all study designs can be informative in this topic because all of them are able to provide an unbiased estimate of the effect size. In addition, the prospective and case-control studies may have shortcomings. For example, we excluded five studies including three prospective and case-control studies in the sensibility analysis because the group of interest was defined on the basis of the exposure to chemicals (pesticides) rather than job title. Our choice to retain the least adjusted models was justified because aggregated data were used for the meta-analysis. Therefore, unless all included studies adjusted for the same covariates measured in the same way, adjusted estimates cannot be meaningfully provided in an aggregate data meta-analysis. In addition, as the objective was above all descriptive and not etiological or explanatory, and as it is the norm in the exploration of social inequalities in health (8), the results from the least (gender- and age-) adjusted models were in line with the objective. Indeed, including more adjustment variables could lead to overadjustment as they may be intermediate variables on the causal pathways between occupation and suicide. Our strategy was in line with previous meta analyses on similar topics (9-11). Consequently, we would argue that our results are not likely to be largely due to confounding, contrary to the comment by Shiri. Indeed, the study of the contribution of underlying factors in explaining social inequalities in health outcomes is a fully-fledged topic of research (12 15), but this is relevant research to conduct after demonstrating that inequalities exist between social or occupational groups. Several of Shiri's comments were about statistical aspects of our analyses. First, it was suggested that we did not correctly extract the confidence intervals for the estimates of several studies. We disagree. We used the STATA metan suite of commands using log transformed effect sizes and standard errors. Our figure 1 and the values of effect sizes and confidence intervals were provided by STATA, this explains why there may be small differences in these values compared with the results published in some studies. Using log-transformed effect sizes and confidence intervals, the analysis provided the same results. Second, our subgroup comparison was based on subsamples that were independent. As not all studies provided information for these subgroups, each subgroup was treated as a unit of analysis. This strategy allows the use of all relevant subgroups and comparisons between them (16). Third, we were also criticized for the use of random-effects models. Random-effects models are generally more plausible for meta-analysis based on studies from the published literature, because the fixed-effect model assumed that the entire corpus of literature has been obtained, ie, that every study has been or ever will be written on the topic has been included, which is an implausible assumption. We also assumed differences in effect size between studies and between subgroups, and the use of random-effects models was consistent with such an assumption. However, random-effects models produce wider confidence intervals compared to fixed-effect models (16). These models are thus more conservative, making our results all the more robust. One of Shiri's comments related to the reference group used in the studies for the comparison of agricultural, forestry, and fishery workers. Although we reported that the studies using a specific occupational group as reference group provided a higher effect size than the studies using other reference groups, we did not explicitly recognize and state in the paper that the results for Japan were based on two studies using a specific occupational group as reference; we concede that this may explain why we found a much more elevated effect size for Japan. Shiri's results (1) allow to conclude that the difference between Japan and the other geographic areas could be explained by the choice of reference group-we are grateful to him for raising this point. However, we would note that the effect size of suicide was still elevated and significant for agricultural, forestry, and fishery workers even after this change in the reference group for these two studies. Nevertheless, the choice of the optimal reference group is not obvious. If we consider the general population as the reference group, as unemployed people and economically inactive people (including people who may not be working due to illness or disability) are part of it and have a higher risk of suicide than employed people, the effect size provided by the nine studies using the general population as the reference is likely to be underestimated, which may contribute to an underestimation of the observed effect size of suicide among agricultural, forestry, and fishery workers in our study. The comparison was made in our paper with the other occupational groups (ie, the working population except the group of interest) as the reference, which was used by nine other studies, but this did not allow to determine the exact rank of the group of interest in the occupational hierarchy. Another relevant choice would have been to retain the group with the lowest suicide risk (for example, the high-skilled occupational group) as the reference, which would have led to a much higher effect size of suicide for agricultural, forestry, and fishery workers. To conclude, as statistical power in detecting differences between subgroups may be low in subgroup analyses and meta-regression, the absence of significant results according to subgroups found in our results cannot be interpreted as evidence that the effect size is the same across subgroups. Consequently, our meta analysis reporting a significant excess of risk of suicide among agricultural, forestry, and fishery workers may also be a good incentive for more research among this group of workers to (i) confirm this observed excess of risk using differing methodological approaches to meta-analysis and (ii) explore the potential differences within this group and the underlying factors that may explain this excess of risk. References 1. Shiri R. Suicide among agricultural, forestry, and fishery workers. Scand J Work Environ Health - online first. https://doi.org/10.5271/sjweh.3697 2. Klingelschmidt J, Milner A, Khireddine Medouni I, Witt K, Alexopoulos EC, Toivanen S, et al. Suicide among agricultural, forestry, and fishery workers: a systematic literature review and meta-analysis. Scand J Work Environ Health - online first. https://doi.org/10.5271/sjweh.3682 3. Milner A, Witt K, LaMontagne AD, Niedhammer I. Psychosocial job stressors and suicidality: a meta-analysis and systematic review. Occup Environ Med - online first. https://doi.org/10.1136/oemed-2017-104531 4. Leach LS, Poyser C, Butterworth P. Workplace bullying and the association with suicidal ideation/thoughts and behaviour: a systematic review. Occup Environ Med. 2017;74(1):72-9. https://doi.org/10.1136/oemed-2016-103726 5. Milner A, Page A, LaMontagne AD. Long-term unemployment and suicide: a systematic review and meta analysis. PLoS One. 2013;8(1):e51333. https://doi.org/10.1371/journal.pone.0051333 6. Milner A, Morrell S, Lamontagne AD. Economically inactive, unemployed and employed suicides in Australia by age and sex over a 10-year period: what was the impact of the 2007 economic recession? Int J Epidemiol. 2014;43(5):1500-7. https://doi.org/10.1093/ije/dyu148 7. Rothman KJ, Greenland S, Lash TL. Modern Epidemiology - Third Edition. Philadelphia: Wolters Kluwer Health - Lippincott Williams & Wilkins; 2008. 8. Lundberg I, Hemmingsson T, Hogstedt C. Work and social inequalities in health in Europe. Brussels: P.I.E. Peter Lang SA; 2007. 9. Milner A, Spittal MJ, Pirkis J, Lamontagne AD. Suicide by occupation: systematic review and meta-analysis. Br J Psychiatry. 2013;203(6):409-16. https://doi.org/10.1192/bjp.bp.113.128405 10. Lorant V, Deliege D, Eaton W, Robert A, Philippot P, Ansseau M. Socioeconomic inequalities in depression: a meta-analysis. Am J Epidemiol. 2003;157(2):98-112. https://doi.org/10.1093/aje/kwf182 11. Grittner U, Kuntsche S, Gmel G, Bloomfield K. Alcohol consumption and social inequality at the individual and country levels -results from an international study. Eur J Public Health. 2013;23(2):332-9. https://doi.org/10.1093/eurpub/cks044 12. Niedhammer I, Bourgkard E, Chau N. Occupational and behavioural factors in the explanation of social inequalities in premature and total mortality: a 12.5-year follow-up in the Lorhandicap study. Eur J Epidemiol. 2011;26(1):1-12. https://doi.org/10.1007/s10654-010-9506-9 13. Niedhammer I, Chastang JF, David S, Kelleher C. The contribution of occupational factors to social inequalities in health: findings from the national French SUMER survey. Soc Sci Med. 2008;67(11):1870-81. https://doi.org/10.1016/j.socscimed.2008.09.007 14. Chazelle E, Lemogne C, Morgan K, Kelleher CC, Chastang JF, Niedhammer I. Explanations of educational differences in major depression and generalised anxiety disorder in the Irish population. J Affect Disord. 2011;134(1-3):304-14. https://doi.org/10.1016/j.jad.2011.05.049 15. Niedhammer I, Lesuffleur T, Coutrot T, Chastang JF. Contribution of working conditions to occupational inequalities in depressive symptoms: results from the national French SUMER survey. Int Arch Occup Environ Health. 2016;89(6):1025-37.https://doi.org/10.1007/s00420-016-1142 6 16. Borenstein M, Hedges LV, Higgins JPT, Rothstein HR. Introduction to meta analysis: John Wiley & Sons, Ltd. ISBN: 978-0-470-05724-7; 2009. https://doi.org/10.1002/9780470743386. PMID- 29218359 TI - [Significance of the doctorate in scientific medical education]. AB - According to European and German law, the medical education of physicians must take place in a scientific degree program at a university or under the supervision of a university. To keep up the ideal of a scientific degree program, various organizations and associations, such as the German Research Foundation, the German Council of Science and Humanities and the German Medical Faculty Association, see the need for an even stronger anchoring of academic learning content in the course of study. Traditionally, a scientific project, which is carried out during the studies, provides the basis for the Doctor of Medicine (Dr. med.) after graduation, although the research projects as a basis for medical degrees are currently not obligatory parts of the curricula. The number of medical students performing such research projects is significantly decreasing, thus they are missing major skills for working in science. To counteract these developments, faculties of medicine are currently developing model curricula including deepened scientific education. Despite these efforts, the German Association of Faculties of Medicine argues that the performance of research projects leading to the doctoral degree is most suitable for obtaining expertise in scientific work. According to recommendations by the German Council of Science on the requirements for quality assurance of graduation doctoral degree programs have been introduced. This and further measures, like MD/PhD programs or research-based additional study programs serving the scientific qualification of medical students, are the subject of this article. PMID- 29218360 TI - Bioengineered Cardiac Tissue Based on Human Stem Cells for Clinical Application. AB - Engineered cardiac tissue might enable novel therapeutic strategies for the human heart in a number of acquired and congenital diseases. With recent advances in stem cell technologies, namely the availability of pluripotent stem cells, the generation of potentially autologous tissue grafts has become a realistic option. Nevertheless, a number of limitations still have to be addressed before clinical application of engineered cardiac tissue based on human stem cells can be realized. We summarize current progress and pending challenges regarding the optimal cell source, cardiomyogenic lineage specification, purification, safety of genetic cell engineering, and genomic stability. Cardiac cells should be combined with clinical grade scaffold materials for generation of functional myocardial tissue in vitro. Scale-up to clinically relevant dimensions is mandatory, and tissue vascularization is most probably required both for preclinical in vivo testing in suitable large animal models and for clinical application. Graphical Abstract. PMID- 29218362 TI - Further Experience with Oral Paracetamol as a Rescue Therapy for Patent Ductus Arteriosus in Preterm Infants. PMID- 29218363 TI - Chest computed tomography angiography in children on extracorporeal membrane oxygenation (ECMO). AB - Performing chest CT angiography on pediatric patients on extracorporeal membrane oxygenation (ECMO) can be challenging. Successfully performing CT angiography in these children requires substantial communication and coordination between the radiologists and clinical care providers. Additionally, the radiologist must understand the child's anatomy and disease pathophysiology, flow dynamics of the ECMO circuit, image acquisition timing, contrast injection site, and volume, rate and duration of contrast administration. In this article we highlight the vital factors the radiologist needs to consider to optimize the chest CT angiography in pediatric patients on ECMO. PMID- 29218364 TI - Ultrasound evaluation of stress injuries and physiological adaptations in the fingers of adolescent competitive rock climbers. AB - BACKGROUND: The impact of high-intensity, repetitive training on the fingers of adolescent climbers is relatively unknown. OBJECTIVE: To evaluate this effect by ultrasound (US) and to confirm some findings by magnetic resonance imaging (MRI). MATERIALS AND METHODS: The US study was performed in 20 adolescent rock climbers (ages 10-17 years) and 6 non-climbing controls (ages 11-15 years). US was used to examine the third digit of the right hand for differences in thickness of soft tissue, flexor and extensor tendon, volar plate and bony and growth plate adaptations. In four climbers with finger deformity or pain, 3-T MR images were compared with US findings. Number of hours/week and years of climbing were used to group climbers in three levels (3=most intense training). Mann-Whitney test was used for statistical analysis. RESULTS: Compared with non-climbing controls, climbers demonstrated significantly thicker flexor tendons, volar plates and soft tissues. Joint effusions were found in 13/19 (68%) climbers. Significant phalangeal malalignment was seen in 10/19 (53%) climbers. Growth plate deformities were identified in three level 3 climbers. US findings correlated with MRI for effusions, phalangeal growth plate injury, malalignment and adaptive changes. MRI additional showed capsule rupture (n=1), stress fracture (n=1) and phalangeal physeal stress injury (n=1). CONCLUSION: Competitive rock climbing results in physiological adaptations in the fingers, an example being significant soft-tissue hypertrophy of the flexor. US demonstrated several non-physiological changes in response to repetitive stress in half of the climbers. MRI showed additional stress injuries to the growth plate, joints and bone. PMID- 29218365 TI - Pediatric Radiology Editorial Board - acknowledgments and updates. PMID- 29218367 TI - Cirrhosis and LI-RADS. AB - Chronic liver disease, irrespective of cause, can eventually lead to cirrhosis, which is the primary risk factor for developing hepatocellular carcinoma (HCC). In patients with cirrhosis or appropriate risk factors, HCC can be diagnosed by imaging with high specificity using liver imaging reporting and data system v2017, obviating the need for histologic confirmation. Confident recognition of cirrhosis by conventional imaging alone can be challenging, as radiologists are not always provided with the requisite information to determine if the patient has cirrhosis or other risk factors for HCC. Moreover, cirrhosis-associated abnormalities may impair the diagnostic accuracy of imaging for HCC. This article addresses the diagnosis of cirrhosis by non-invasive imaging and the implications of cirrhosis for imaging interpretation and accuracy. PMID- 29218366 TI - Haploidentical natural killer cells induce remissions in non-Hodgkin lymphoma patients with low levels of immune-suppressor cells. AB - We report a novel phase 2 clinical trial in patients with poor prognosis refractory non-Hodgkin lymphoma (NHL) testing the efficacy of haploidentical donor natural killer (NK) cell therapy (NK dose 0.5-3.27 * 107 NK cells/kg) with rituximab and IL-2 (clinicaltrials.gov NCT01181258). Therapy was tolerated without graft-versus-host disease, cytokine release syndrome, or neurotoxicity. Of 14 evaluable patients, 4 had objective responses (29%; 95% CI 12-55%) at 2 months: 2 had complete response lasting 3 and 9 months. Circulating donor NK cells persisted for at least 7 days after infusion at the level 0.6-16 donor NK cells/ul or 0.35-90% of total CD56 cells. Responding patients had lower levels of circulating host-derived Tregs (17 +/- 4 vs. 307 +/- 152 cells/uL; p = 0.008) and myeloid-derived suppressor cells at baseline (6.6 +/- 1.4% vs. 13.0 +/- 2.7%; p = 0.06) than non-responding patients. Lower circulating Tregs correlated with low serum levels of IL-10 (R 2 = 0.64; p < 0.003; n = 11), suggestive of less immunosuppressive milieu. Low expression of PD-1 on recipient T cells before therapy was associated with response. Endogenous IL-15 levels were higher in responders than non-responding patients at the day of NK cell infusion (mean +/- SEM: 30 +/- 4; n = 4 vs. 19.0 +/- 4.0 pg/ml; n = 8; p = 0.02) and correlated with day 14 NK cytotoxicity as measured by expression of CD107a (R 2 = 0.74; p = 0.0009; n = 12). In summary, our observations support development of donor NK cellular therapies for advanced NHL as a strategy to overcome chemoresistance. Therapeutic efficacy may be further improved through disruption of the immunosuppressive environment and infusion of exogenous IL-15. PMID- 29218368 TI - Are there four tibial plateau columns? Yes there are, as illustrated by a postero lateral apple-bite fracture. Response to a letter-to-the-editor. PMID- 29218369 TI - Peripheral nerve ultrasound findings in mucolipidosis type 3. AB - PURPOSE: The mucolipidoses are rare autosomal recessive lysosomal storage disorders. Neurologic involvement in these conditions is generally thought to be limited to cognitive delay and entrapment neuropathies (primarily carpal tunnel syndrome). We sought to evaluate peripheral nerves in this condition using nerve ultrasound. METHODS: We performed peripheral nerve ultrasound in two siblings with genetically confirmed mucolipidosis type 3 (alpha/beta). RESULTS: Peripheral nerves in mucolipidosis type 3 (alpha/beta) exhibit multifocal enlargement. CONCLUSION: The peripheral nerve ultrasound has a role in the evaluation of this, and possibly other lysosomal storage disorders. PMID- 29218371 TI - Highlights from the 40th ESNR Annual Meeting, the 24th Advanced Course in Diagnostic Neuroradiology and the 9th Advanced Course in Interventional Neuroradiology-Malmo 2017. PMID- 29218370 TI - Differentiation of residual/recurrent gliomas from postradiation necrosis with arterial spin labeling and diffusion tensor magnetic resonance imaging-derived metrics. AB - PURPOSE: The aim of this study is to differentiate recurrent/residual gliomas from postradiation changes using arterial spin labeling (ASL) perfusion and diffusion tensor imaging (DTI)-derived metrics. METHODS: Prospective study was conducted upon 42 patients with high-grade gliomas after radiotherapy only or prior to other therapies that underwent routine MR imaging, ASL, and DTI. The tumor blood flow (TBF), fractional anisotropy (FA), and mean diffusivity (MD) of the enhanced lesion and related edema were calculated. The lesion was categorized as recurrence/residual or postradiation changes. RESULTS: There was significant differences between residual/recurrent gliomas and postradiation changes of TBF (P = 0.001), FA (P = 0.001 and 0.04), and MD (P = 0.001) of enhanced lesion and related edema respectively. The area under the curve (AUC) of TBF of enhanced lesion and related edema used to differentiate residual/recurrent gliomas from postradiation changes were 0.95 and 0.93 and of MD were 0.95 and 0.81 and of FA were 0.81 and 0.695, respectively. Combined ASL and DTI metrics of the enhanced lesion revealed AUC of 0.98, accuracy of 95%, sensitivity of 93.8%, specificity of 95.8%, positive predictive value (PPV) of 93.8%, and negative predictive value (NPV) of 95.8%. Combined metrics of ASL and DTI of related edema revealed AUC of 0.97, accuracy of 92.5%, sensitivity of 93.8%, specificity of 91.7%, PPV of 88.2%, and NPV of 95.7. CONCLUSION: Combined ASL and DTI metrics of enhanced lesion and related edema are valuable noninvasive tools in differentiating residual/recurrent gliomas from postradiation changes. PMID- 29218372 TI - Location, Root Proximity, and Glyphosate-Use History Modulate the Effects of Glyphosate on Fungal Community Networks of Wheat. AB - Glyphosate is the most-used herbicide worldwide and an essential tool for weed control in no-till cropping systems. However, concerns have been raised regarding the long-term effects of glyphosate on soil microbial communities. We examined the impact of repeated glyphosate application on bulk and rhizosphere soil fungal communities of wheat grown in four soils representative of the dryland wheat production region of Eastern Washington, USA. Further, using soils from paired fields, we contrasted the response of fungal communities that had a long history of glyphosate exposure and those that had no known exposure. Soil fungal communities were characterized after three cycles of wheat growth in the greenhouse followed by termination with glyphosate or manual clipping of plants. We found that cropping system, location, year, and root proximity were the primary drivers of fungal community compositions, and that glyphosate had only small impacts on fungal community composition or diversity. However, the taxa that responded to glyphosate applications differed between rhizosphere and bulk soil and between cropping systems. Further, a greater number of fungal OTUs responded to glyphosate in soils with a long history of glyphosate use. Finally, fungal co-occurrence patterns, but not co-occurrence network characteristics, differed substantially between glyphosate-treated and non-treated communities. Results suggest that most fungi influenced by glyphosate are saprophytes that likely feed on dying roots. PMID- 29218373 TI - Correction to: Geosmithia-Ophiostoma: a New Fungus-Fungus Association. AB - The article Geosmithia-Ophiostoma: a New Fungus-Fungus Association, written by Alessia L. Pepori, Priscilla P. Bettini, Cecilia Comparini, Sabrina Sarrocco, Anna Bonini, Arcangela Frascella, Luisa Ghelardini, & Aniello Scala, Giovanni Vannacci, Alberto Santini. PMID- 29218374 TI - The effect of vitamin U on the lung tissue of pentyleneterazole-induced seizures in rats. AB - The aim of this study is to investigate the therapeutic effects of vitamin U (Vit U) on lung tissue of pentyleneterazole (PTZ)-induced seizures in rats. Sprague Dawley male rats were randomly divided into four groups as follows: control (0.9% NaCl given, intraperitoneally); Vit U (50 mg/kg/day, for 7 days by gavage); PTZ; (60 mg/kg one dose, intraperitoneally); and PTZ + Vit U (in same dose and time). At the end of the experiment, lung tissues were taken and examined biochemically and cytologically. Lipid peroxidation (LPO), glutathione (GSH), sialic acid (SA), and nitric oxide (NO) levels, and superoxide dismutase (SOD) and catalase (CAT) activities were determined in lung homogenates. Imprinted lung samples were stained with May Grunwald-Giemsa stain and microscopically examined for the presence of collagen fibers, macrophage, leucocyte, and epithelial cells. PTZ administration significantly increased GSH level and CAT activity and significantly decreased SOD activity compared to the control group. Vit U administration significantly increased GSH level and CAT activity compared to the control group. GSH and NO levels significantly decreased in PTZ + Vit U group compared to the PTZ group. In cytologic analysis, increased collagen fibers, macrophages, leucocytes, and epithelial cells were observed in PTZ group compared to the control group, and Vit U administration decreased these cytological parameters compared to the PTZ group. The findings of this study support the possible protective role of using Vit U as an add-on therapy in order to prevent lung tissue injury which may occur during seizures in epilepsy. PMID- 29218375 TI - Genetic analysis of multi-environmental spring wheat trials identifies genomic regions for locus-specific trade-offs for grain weight and grain number. AB - KEY MESSAGE: GWAS on multi-environment data identified genomic regions associated with trade-offs for grain weight and grain number. Grain yield (GY) can be dissected into its components thousand grain weight (TGW) and grain number (GN), but little has been achieved in assessing the trade-off between them in spring wheat. In the present study, the Wheat Association Mapping Initiative (WAMI) panel of 287 elite spring bread wheat lines was phenotyped for GY, GN, and TGW in ten environments across different wheat growing regions in Mexico, South Asia, and North Africa. The panel genotyped with the 90 K Illumina Infinitum SNP array resulted in 26,814 SNPs for genome-wide association study (GWAS). Statistical analysis of the multi-environmental data for GY, GN, and TGW observed repeatability estimates of 0.76, 0.62, and 0.95, respectively. GWAS on BLUPs of combined environment analysis identified 38 loci associated with the traits. Among them four loci-6A (85 cM), 5A (98 cM), 3B (99 cM), and 2B (96 cM)-were associated with multiple traits. The study identified two loci that showed positive association between GY and TGW, with allelic substitution effects of 4% (GY) and 1.7% (TGW) for 6A locus and 0.2% (GY) and 7.2% (TGW) for 2B locus. The locus in chromosome 6A (79-85 cM) harbored a gene TaGW2-6A. We also identified that a combination of markers associated with GY, TGW, and GN together explained higher variation for GY (32%), than the markers associated with GY alone (27%). The marker-trait associations from the present study can be used for marker assisted selection (MAS) and to discover the underlying genes for these traits in spring wheat. PMID- 29218376 TI - Genetic dissection and validation of candidate genes for flag leaf size in rice (Oryza sativa L.). AB - KEY MESSAGE: Two major loci with functional candidate genes were identified and validated affecting flag leaf size, which offer desirable genes to improve leaf architecture and photosynthetic capacity in rice. Leaf size is a major determinant of plant architecture and yield potential in crops. However, the genetic and molecular mechanisms regulating leaf size remain largely elusive. In this study, quantitative trait loci (QTLs) for flag leaf length and flag leaf width in rice were detected with high-density single nucleotide polymorphism genotyping of a chromosomal segment substitution line (CSSL) population, in which each line carries one or a few chromosomal segments from the japonica cultivar Nipponbare in a common background of the indica variety Zhenshan 97. In total, 14 QTLs for flag leaf length and nine QTLs for flag leaf width were identified in the CSSL population. Among them, qFW4-2 for flag leaf width was mapped to a 37-kb interval, with the most likely candidate gene being the previously characterized NAL1. Another major QTL for both flag leaf width and length was delimited by substitution mapping to a small region of 13.5 kb that contains a single gene, Ghd7.1. Mutants of Ghd7.1 generated using CRISPR/CAS9 approach showed reduced leaf size. Allelic variation analyses also validated Ghd7.1 as a functional candidate gene for leaf size, photosynthetic capacity and other yield-related traits. These results provide useful genetic information for the improvement of leaf size and yield in rice breeding programs. PMID- 29218377 TI - Genetic mapping of a major gene in triticale conferring resistance to bacterial leaf streak. AB - KEY MESSAGE: A major gene conferring resistance to bacterial leaf streak was mapped to chromosome 5R in triticale. Bacterial leaf streak (BLS), caused by Xanthomonas translucens pv. undulosa (Xtu), is an important disease of wheat and triticale around the world. Although resistance to BLS is limited in wheat, several triticale accessions have high levels of resistance. To characterize the genetic basis of this resistance, we developed triticale mapping populations using a resistant accession (Siskiyou) and two susceptible accessions (UC38 and Villax St. Jose). Bulked segregant analysis in an F2 population derived from the cross of Siskiyou * UC38 led to the identification of a simple sequence repeat (SSR) marker (XSCM138) on chromosome 5R that co-segregated with the resistance gene. The cross of Siskiyou * Villax St. Jose was advanced into an F2:5 recombinant inbred line population and evaluated for BLS reaction. Genetic linkage maps on this population were assembled with markers generated using genotyping-by-sequencing as well as several SSR markers previously identified on 5R. Quantitative trait locus (QTL) mapping revealed a single major QTL on chromosome 5R, underlined by the same SSR marker as in the Siskiyou * UC38 population. The F1 hybrids of the two crosses were highly resistant to BLS, indicating that resistance is largely dominant. This work will facilitate introgression of this rye-derived BLS resistance gene into the wheat genome by molecular marker-mediated chromosome engineering. PMID- 29218378 TI - Efficiency of multi-trait, indirect, and trait-assisted genomic selection for improvement of biomass sorghum. AB - KEY MESSAGE: We compare genomic selection methods that use correlated traits to help predict biomass yield in sorghum, and find that trait-assisted genomic selection performs best. Genomic selection (GS) is usually performed on a single trait, but correlated traits can also help predict a focal trait through indirect or multi-trait GS. In this study, we use a pre-breeding population of biomass sorghum to compare strategies that use correlated traits to improve prediction of biomass yield, the focal trait. Correlated traits include moisture, plant height measured at monthly intervals between planting and harvest, and the area under the growth progress curve. In addition to single- and multi-trait direct and indirect GS, we test a new strategy called trait-assisted GS, in which correlated traits are used along with marker data in the validation population to predict a focal trait. Single-trait GS for biomass yield had a prediction accuracy of 0.40. Indirect GS performed best using area under the growth progress curve to predict biomass yield, with a prediction accuracy of 0.37, and did not differ from indirect multi-trait GS that also used moisture information. Multi-trait GS and single-trait GS yielded similar results, indicating that correlated traits did not improve prediction of biomass yield in a standard GS scenario. However, trait assisted GS increased prediction accuracy by up to [Formula: see text] when using plant height in both the training and validation populations to help predict yield in the validation population. Coincidence between selected genotypes in phenotypic and genomic selection was also highest in trait-assisted GS. Overall, these results suggest that trait-assisted GS can be an efficient strategy when correlated traits are obtained earlier or more inexpensively than a focal trait. PMID- 29218380 TI - Mountain ultra-marathon finishers exhibit marked immune alterations similar to those of severe trauma patients. PMID- 29218381 TI - Effectiveness of a two-step population-based osteoporosis screening program using FRAX: the randomized Risk-stratified Osteoporosis Strategy Evaluation (ROSE) study. AB - : The Risk-stratified Osteoporosis Strategy Evaluation (ROSE) study investigated the effectiveness of a two-step screening program for osteoporosis in women. We found no overall reduction in fractures from systematic screening compared to the current case-finding strategy. The group of moderate- to high-risk women, who accepted the invitation to DXA, seemed to benefit from the program. INTRODUCTION: The purpose of the ROSE study was to investigate the effectiveness of a two-step population-based osteoporosis screening program using the Fracture Risk Assessment Tool (FRAX) derived from a self-administered questionnaire to select women for DXA scan. After the scanning, standard osteoporosis management according to Danish national guidelines was followed. METHODS: Participants were randomized to either screening or control group, and randomization was stratified according to age and area of residence. Inclusion took place from February 2010 to November 2011. Participants received a self-administered questionnaire, and women in the screening group with a FRAX score >= 15% (major osteoporotic fractures) were invited to a DXA scan. Primary outcome was incident clinical fractures. Intention-to-treat analysis and two per-protocol analyses were performed. RESULTS: A total of 3416 fractures were observed during a median follow-up of 5 years. No significant differences were found in the intention-to treat analyses with 34,229 women included aged 65-80 years. The per-protocol analyses showed a risk reduction in the group that underwent DXA scanning compared to women in the control group with a FRAX >= 15%, in regard to major osteoporotic fractures, hip fractures, and all fractures. The risk reduction was most pronounced for hip fractures (adjusted SHR 0.741, p = 0.007). CONCLUSIONS: Compared to an office-based case-finding strategy, the two-step systematic screening strategy had no overall effect on fracture incidence. The two-step strategy seemed, however, to be beneficial in the group of women who were identified by FRAX as moderate- or high-risk patients and complied with DXA. PMID- 29218383 TI - Linburg-Comstock variation and syndrome. A meta-analysis. AB - INTRODUCTION: Linburg-Comstock variation often connecting the flexor pollicis longus and flexor digitorum profundus of the index finger at a different level with significant discrepancy between clinical and cadaveric frequencies reported in the literature. Although this variation is quite prevalent, it is yet frequently unrecognized. The aim of this meta-analysis is to generate more accurate weighted frequency values of the Linburg-Comstock variation and to look for possible association with ethnicity, laterality, gender and side. METHODS: A systematic literature search identified 14 studies, including 4132 forearms/hands, which met the inclusion criteria. RESULTS: While no significant difference was found for laterality, we found significantly higher Linburg Comstock variation rate in females compared to males. Turkish population demonstrated a significantly higher crude frequency when compared to Europeans (22.2 vs. 15.2%). Hispanic population showed the highest crude frequency (34.5%), whereas the African ancestry showed the least one (8.8%). CONCLUSIONS: Linburg Comstock variation could cause career-threatening disabilities and could complicate some hand injuries as well. This review invites future researchers to use a single nomenclature; the term "Linburg-Comstock variation" is to be used when no symptoms are present, and the term "Linburg-Comstock syndrome" in cases where the variation is symptomatic. PMID- 29218382 TI - Restrictive pulmonary dysfunction is associated with vertebral fractures and bone loss in elderly postmenopausal women. AB - : Association between lung function and bone metabolism remains controversial. We found that impaired lung function was associated with vertebral fractures and bone loss in Japanese postmenopausal women. While vertebral deformities would impair lung function, respiratory dysfunction might in turn increase fracture risk, suggesting a complex bidirectional interaction. INTRODUCTION: Association between bone metabolism and pulmonary function in the general population is controversial. The aim of this study was to investigate relationship between lung and bone parameters in elderly postmenopausal women. METHODS: One hundred and six postmenopausal women (75.6 +/- 8.0 years old) who underwent spirometric tests were examined for prevalent vertebral fractures, bone mineral density (BMD), bone metabolic markers, and other metabolic indices such as urinary pentosidine. RESULTS: Multivariable logistic regression analyses revealed that forced vital capacity (FVC) (OR = 0.063, 95% CI: 0.011-0.352, p = 0.002) and urinary pentosidine (OR = 1.067, 95% CI: 1.020-1.117, p = 0.005) were associated with the presence of vertebral fractures after adjustment for height loss, age, and BMD at femoral neck. Moreover, vital capacity (VC) or FVC as well as body mass index and age was among independent determinants of BMD after adjustment for height loss and the number and grade of vertebral fractures in forced multiple linear regression analysis (VC: beta = 0.212, p = 0.021, FVC: beta = 0.217, p = 0.031). Urinary pentosidine was negatively correlated with pulmonary function parameters such as FVC and forced expiratory volume in 1 s (FEV1.0), although these correlations appeared dependent on age. CONCLUSIONS: Diminished FVC was associated with prevalent vertebral fractures and decreased BMD in Japanese postmenopausal women without apparent pulmonary diseases. Mechanism of such association between pulmonary function and bone status remains to be determined. PMID- 29218385 TI - Bilateral carotid-anterior cerebral artery anastomoses associated with bilateral ophthalmic arteries arising from the anastomotic arteries diagnosed by magnetic resonance angiography: a case report. AB - Rarely, the anterior cerebral artery (ACA) arises from the ophthalmic segment of the internal carotid artery, a condition described as carotid-ACA anastomosis or infraoptic course of the ACA that generally demonstrates right-sided predominance. We diagnosed a case of bilateral anastomoses of the carotid and ACA vessels in which bilateral ophthalmic arteries arose from the origins of the anastomotic vessels using magnetic resonance (MR) angiography. Identification of rare arterial variations on MR angiography requires careful scrutiny of source images, and creation of partial volume-rendering images can aid visualization of detailed anatomic structures. PMID- 29218384 TI - Is it possible to give a single definition of the rectosigmoid junction? AB - AIM: The rectosigmoid junction is the limit separating the sigmoid colon and rectum. This transition zone has different definitions. We want to highlight different landmarks of the rectosigmoid junction (RSJ), to help the clinicians to adopt a consensual definition. METHOD: We reviewed anatomical, endoscopic, physiological and surgical points of view concerning the rectosigmoid junction (RSJ). RESULTS: The rectosigmoid junction has a different definition depending on who is studying it. Nevertheless, it is a high pressure location, a place connecting different muscles organizations, neurological systems or vascular anastomosis. The clear pathophysiology of the RSJ is not yet determined with certainty, but its resection is essential for the therapeutic care of patients and also for the improvement of surgical skills. From a surgical point of view, anatomical landmarks has to be chosen: easily reproducible and identifiable. The disappearance of taenia coli (belonging to the colon) and the peritoneal reflection (recto-genital pouch), located below the upper rectum, seem the most reliable. The level of rectal section must, in any case, be below the promontory. CONCLUSION: There is not a single definition, but rather several definitions of the RSJ. Each one of them reflects one appearance of this region: embryological and anatomical evolution or clinical entity. From a surgical point of view, the criterion which seems to be the most reliable is the disappearance of taenia coli and the peritoneal reflection (recto-genital pouch). PMID- 29218386 TI - Anatomical study of medial sural artery and its perforators in Nepalese: an aid to reconstructive surgery. AB - OBJECTIVE: The present study was undertaken to know the anatomical basis of medial sural artery (MSA) and its perforators in Nepalese. METHODS: The popliteal arteries of 16 preserved cadaveric lower limbs were injected with a mixture of red ink and glycerine. The number, location, diameter of perforators; length and intramuscular course of pedicle; the branching pattern of MSA were observed and measured. RESULTS: The mean of 2.2 +/- 1.2 perforators (range 0-4) was observed. The perforators were clustered between 8.6 and 25.7 cm from the popliteal crease and 0.3-7.5 cm from posterior midline of leg. The dominant perforators were observed in middle 1/3rd of the leg. The average pedicle length was 12.04 +/- 3.27 cm. The intramuscular courses of pedicles were observed in deep and superficial strata in 65.7 and 34.3%, respectively. The MSA originated from popliteal artery in 62.5% and common sural artery in 37.5%. An accessory MSA was found in 12.5%. Type I and Type III branching patterns of MSA were observed in 31.2% each whereas Type II was found in 37.5%. The mean external diameter of perforators and MSA were 0.85 +/- 0.27 mm and 2.2 +/- 0.43 mm, respectively. CONCLUSIONS: The metrical presentation of this study provides an easy access to know about the distribution of perforators and branching pattern of MSA which will help the surgeons to make a convenient plan to harvest the MSA perforator flap in Nepalese population. PMID- 29218379 TI - A prospective international observational prevalence study on prone positioning of ARDS patients: the APRONET (ARDS Prone Position Network) study. AB - INTRODUCTION: While prone positioning (PP) has been shown to improve patient survival in moderate to severe acute respiratory distress syndrome (ARDS) patients, the rate of application of PP in clinical practice still appears low. AIM: This study aimed to determine the prevalence of use of PP in ARDS patients (primary endpoint), the physiological effects of PP, and the reasons for not using it (secondary endpoints). METHODS: The APRONET study was a prospective international 1-day prevalence study performed four times in April, July, and October 2016 and January 2017. On each study day, investigators in each ICU had to screen every patient. For patients with ARDS, use of PP, gas exchange, ventilator settings and plateau pressure (Pplat) were recorded before and at the end of the PP session. Complications of PP and reasons for not using PP were also documented. Values are presented as median (1st-3rd quartiles). RESULTS: Over the study period, 6723 patients were screened in 141 ICUs from 20 countries (77% of the ICUs were European), of whom 735 had ARDS and were analyzed. Overall 101 ARDS patients had at least one session of PP (13.7%), with no differences among the 4 study days. The rate of PP use was 5.9% (11/187), 10.3% (41/399) and 32.9% (49/149) in mild, moderate and severe ARDS, respectively (P = 0.0001). The duration of the first PP session was 18 (16-23) hours. Measured with the patient in the supine position before and at the end of the first PP session, PaO2/FIO2 increased from 101 (76-136) to 171 (118-220) mmHg (P = 0.0001) driving pressure decreased from 14 [11-17] to 13 [10-16] cmH2O (P = 0.001), and Pplat decreased from 26 [23-29] to 25 [23-28] cmH2O (P = 0.04). The most prevalent reason for not using PP (64.3%) was that hypoxemia was not considered sufficiently severe. Complications were reported in 12 patients (11.9%) in whom PP was used (pressure sores in five, hypoxemia in two, endotracheal tube-related in two ocular in two, and a transient increase in intracranial pressure in one). CONCLUSIONS: In conclusion, this prospective international prevalence study found that PP was used in 32.9% of patients with severe ARDS, and was associated with low complication rates, significant increase in oxygenation and a significant decrease in driving pressure. PMID- 29218387 TI - Anatomic parameters of the sacral lamina for osteosynthesis in transverse sacral fractures. AB - PURPOSE: To analyze the morphometric parameters of the dorsal sacral lamina and pedicles to determine if there is adequate bony architecture to support plate osteosynthesis. METHODS: Two reviewers performed measurements on 98 randomly selected high-resolution CT scans of the pelvis to quantify the bony anatomy of the sacral lamina. Measurements included the depths of the lamina at each sacral level, the trajectory and depth of the sacral pedicles from the sacral lamina, and the width of the sacral canal. A bone mineral density analysis was performed on the sacral lamina using Hounsfield units (HU) and compared to the L1 and S1 vertebral bodies. RESULTS: The sacral lamina were found to form peaks and troughs which we refered to as major and minor sections. On average, the thickness was > 4 mm at all major screw starting points, indicating adequate geometry for screw fixation. The sacral pedicle depths were 27, 18, 16, and 14 mm at S2-S5, respectively. The average angulation from midline of this screw path directed laterally to avoid the sacral canal was 20 degrees , 17 degrees , 8 degrees , and - 8 degrees for the S2-5 pedicles, respectively. Average sacral canal diameter was 11 mm for S2 and 8 mm for S3-5. The sacral lamina had an average bone mineral density of 635 HU, which was significantly different from the density of the L5 (220 HU) and S1 (165 HU) vertebral bodies (p < 0.005). This morphometric data was used to pilot a new plating technique. CONCLUSIONS: The sacral lamina offers a novel target for screw fixation and meets the basic geometric and compositional criteria for screw purchase. To our knowledge, this study represents the first morphometric analysis performed on the sacral lamina and pedicles for plate application. PMID- 29218388 TI - Correlation of sociodemographic and clinical parameters with depression and distress in patients with hematologic malignancies. AB - A quarter of cancer patients struggle with distress or depression during their illness. Multiple organizations including the National Comprehensive Cancer Network recommend universal screening for distress and depression. Herein, we describe a universal screening program in patients with hematologic malignancies and factors associated with distress and depression. Between December 2013 and February 2015, patients with hematologic malignancies took the Patient Health Questionnaire 9 (PHQ-9) and Distress Thermometer (DT) prior to receiving their first outpatient parenteral chemotherapy. Patient demographic information as well as information regarding visit burden and baseline use of psychiatric medications were recorded. A PHQ-9 score of >= 9 and a DT score >= 4 suggested a high risk of major depression and distress. Intergroup comparisons of categorical and continuous variables were performed via chi-square and Wilcoxon rank-sum tests. Multivariate models were constructed using the stepwise selection technique using all potential variables. Two hundred forty-six patients with a median age at diagnosis 65 years (range 18-94 years) were included. In the multivariate analysis, a PHQ-9 score >= 9 was associated with living alone (P = 0.007), positive PHQ-2 (P = 0.003), and high Charlson comorbidity index (CCI; P = 0.02), while a DT score >= 4 was associated with being married (P = 0.03) and female (P = 0.03). There was no other association with high scores on either questionnaire. Patients with hematologic malignancies often have prolonged treatment and surveillance. We identified subpopulations within this group who may be at high risk of developing distress and depression and who should be aggressively screened even when universal screening programs are not available. PMID- 29218390 TI - Gemelli-obturator complex in the deep gluteal space: an anatomic and dynamic study. AB - OBJECTIVE: To investigate the behavior of the sciatic nerve during hip rotation at subgluteal space. MATERIALS AND METHODS: Sonographic examination (high resolution ultrasound machine at 5.0-14 MHZ) of the gemelli-obturator internus complex following two approaches: (1) a study on cadavers and (2) a study on healthy volunteers. The cadavers were examined in pronation, pelvis-fixed position by forcing internal and external rotations of the hip with the knee in 90 degrees flexion. Healthy volunteers were examined during passive internal and external hip rotation (prone position; lumbar and pelvic regions fixed). Subjects with a history of major trauma, surgery or pathologies affecting the examined regions were excluded. RESULTS: The analysis included eight hemipelvis from six fresh cadavers and 31 healthy volunteers. The anatomical study revealed the presence of connective tissue attaching the sciatic nerve to the structures of the gemellus-obturator system at deep subgluteal space. The amplitude of the nerve curvature during rotating position was significantly greater than during resting position. During passive internal rotation, the sciatic nerve of both cadavers and healthy volunteers transformed from a straight structure to a curved structure tethered at two points as the tendon of the obturator internus contracted downwards. Conversely, external hip rotation caused the nerve to relax. CONCLUSION: Anatomically, the sciatic nerve is closely related to the gemelli-obturator internus complex. This relationship results in a reproducible dynamic behavior of the sciatic nerve during passive hip rotation, which may contribute to explain the pathological mechanisms of the obturator internal gemellus syndrome. PMID- 29218391 TI - CT-guided percutaneous biopsy of sclerotic bone lesions: diagnostic outcomes. AB - OBJECTIVE: To determine the diagnostic yield of CT-guided percutaneous biopsy of densely sclerotic bone lesions. MATERIALS AND METHODS: We retrospectively analyzed CT-guided percutaneous bone biopsies performed at our institution from September 2008 through August 2011 (329 cases) and from September 2012 through August 2015 (324 cases) after adoption of a battery-powered drill system (OnControl). Bone lesions were included in the analysis if they were >70% sclerotic by visual inspection, had a density > 2 times that of adjacent trabecular bone, and had an attenuation of >=250 HU. Pathological fractures, diskitis-osteomyelitis, and osteoid osteomas were excluded. Eligible cases were characterized by lesion location, maximum lesion diameter, mean density, biopsy needle type and gauge, reported complications, and histological diagnosis. Clinical and imaging follow-up was used to confirm histological diagnosis. Cases in which a benign histological diagnosis could not be confirmed by imaging over a minimum period of 1 year were excluded. RESULTS: A total of 37 biopsies of sclerotic bone lesions met the inclusion criteria, 17 of which were performed with a power drill needle and 20 of which were performed with a manually driven needle. The mean lesion density was 604.1 HU. The overall diagnostic yield was 78.4%; overall diagnostic accuracy was 94.6%, and the false-negative rate was 5.4%. Diagnostic yield and accuracy were 82.4% and 100% respectively, with a power drill and 75% and 90% respectively, with a manual device. Diagnostic yield for lesions >=700 HU was 90% (9 out of 10). CONCLUSION: Densely sclerotic bone lesions are amenable to percutaneous needle biopsy. PMID- 29218392 TI - Unusual circumstances to diagnose cervical Pott's disease. AB - Tuberculous spondylodiscitis usually affects the dorso-lumbar spine, and its cervical location is a rare condition that can mimic other diseases and consequently cause treatment delays. We report a case of tuberculous spondylodiscitis of the lower cervical spine discovered under unusual circumstances in a patient with severe polytrauma involving a cranio-cerebral trauma, a non-displaced fracture of the two laminae and the spinous process of the C6 vertebrae as well as fibular and tibial shaft fractures. The patient underwent static tibial nailing, and a collar with occipital and chin supports was applied. At 2-month follow-up, the patient presented with severe neck pain without neurologic deficits. Plain and dynamic cervical radiographs showed a stable C6-C7 subluxation and C7 superior endplate collapse. The CT scan also outlined prevertebral soft tissue swelling. The MRI showed a C6-C7 spondylodiscitis associated with a prevertebral abscess with am 8-cm major axis. The diagnosis of C6-C7 Pott's disease was confirmed by a CT-guided biopsy. The patient received 12 months of antituberculous chemotherapy, after which the paravertebral abscess completely disappeared, and the patient has had no functional sequelae. The diagnosis of cervical spine tuberculosis is difficult and requires a high level of attention. Delays in establishing the diagnosis and starting the appropriate treatment result in severe complications such as spinal cord compression and spinal deformity, which are difficult to manage. PMID- 29218389 TI - Primary prophylaxis of invasive fungal infections in patients with haematological malignancies: 2017 update of the recommendations of the Infectious Diseases Working Party (AGIHO) of the German Society for Haematology and Medical Oncology (DGHO). AB - Immunocompromised patients are at high risk of invasive fungal infections (IFI), in particular those with haematological malignancies undergoing remission induction chemotherapy for acute myeloid leukaemia (AML) or myelodysplastic syndrome (MDS) and recipients of allogeneic haematopoietic stem cell transplants (HSCT). Despite the development of new treatment options in the past decades, IFI remains a concern due to substantial morbidity and mortality in these patient populations. In addition, the increasing use of new immune modulating drugs in cancer therapy has opened an entirely new spectrum of at risk periods. Since the last edition of antifungal prophylaxis recommendations of the German Society for Haematology and Medical Oncology in 2014, seven clinical trials regarding antifungal prophylaxis in patients with haematological malignancies have been published, comprising 1227 patients. This update assesses the impact of this additional evidence and effective revisions. Our key recommendations are the following: prophylaxis should be performed with posaconazole delayed release tablets during remission induction chemotherapy for AML and MDS (AI). Posaconazole iv can be used when the oral route is contraindicated or not feasible. Intravenous liposomal amphotericin B did not significantly decrease IFI rates in acute lymphoblastic leukaemia (ALL) patients during induction chemotherapy, and there is poor evidence to recommend it for prophylaxis in these patients (CI). Despite substantial risk of IFI, we cannot provide a stronger recommendation for these patients. There is poor evidence regarding voriconazole prophylaxis in patients with neutropenia (CII). Therapeutic drug monitoring TDM should be performed within 2 to 5 days of initiating voriconazole prophylaxis and should be repeated in case of suspicious adverse events or of dose changes of interacting drugs (BIItu). General TDM during posaconazole prophylaxis is not recommended (CIItu), but may be helpful in cases of clinical failure such as breakthrough IFI for verification of compliance or absorption. PMID- 29218393 TI - "Microperc" micropercutaneous nephrolithotomy: a review of the literature. AB - Recent years have seen innovations in working armamentarium of percutaneous nephrolithotomy (PCNL) leading to development of novel modifications such as miniperc, ultra miniperc, and microperc. Amongst these microperc appears to be least invasive and various authors, off late, have reported their experience with the technique. Literature on microperc was reviewed by a MEDLINE/PubMed search with articles in the English language since 2011 in published peer-reviewed journals. Articles comprised of case series, comparative, and noncomparative studies. Different facets encompassing the technique were analyzed including contemporary indications, technique and its modifications, outcomes, and comparison with other modalities. Technique is reported to be associated with high success rate (82-100%) and short hospital stay (1-2 days). Studies have reported minimal hemoglobin drop (0.1-1.4 gm%) and fewer complications of lower Clavien grades. Going small in PCNL has gone a long way to present day 4.85F puncture system. Utilization of this novel modification is on rise with larger case series and comparative analysis being reported in past 2 years. Technique boasts of high clearance rate, lower morbidity and short hospital stay. In the present era, this innovation in percutaneous stone management appears to be another milestone in quest for "knife to cannula to needle to nothing". PMID- 29218394 TI - Modulation of sphingosine 1-phosphate (S1P) attenuates spatial learning and memory impairments in the valproic acid rat model of autism. AB - RATIONALE: Autism spectrum disorders (ASD) are a set of pervasive neurodevelopmental disorders that manifest in early childhood, and it is growing up to be a major cause of disability in children. However, the etiology and treatment of ASD are not well understood. In our previous study, we found that serum levels of sphingosine 1-phosphate (S1P) were increased significantly in children with autism, indicating that S1P levels may be involved in ASD. OBJECTIVE: The objective of this study was to identify a link between increased levels of S1P and neurobehavioral changes in autism. METHODS: We utilized a valproic acid (VPA) -induced rat model of autism to evaluate the levels of S1P and the expression of sphingosine kinase (SphK), a key enzyme for S1P production, in serum and hippocampal tissue. Furthermore, we assessed cognitive functional changes and histopathological and neurochemical alterations in VPA-exposed rats after SphK blockade to explore the possible link between increased levels of S1P and neurobehavioral changes in autism. RESULTS: We found that SphK2 and S1P are upregulated in hippocampal tissue from VPA-exposed rats, while pharmacological inhibition of SphK reduced S1P levels, attenuated spatial learning and memory impairments, increased the expression of phosphorylated CaMKII and CREB and autophagy-related proteins, inhibited cytochrome c release, decreased the expression of apoptosis related proteins, and protected against neuronal loss in the hippocampus. CONCLUSION: We have demonstrated that an increased level of SphK2/S1P is involved in the spatial learning and memory impairments of autism, and this signaling pathway represents a novel therapeutic target and direction for future studies. PMID- 29218395 TI - Inferring phylogenetic trees from the knowledge of rare evolutionary events. AB - Rare events have played an increasing role in molecular phylogenetics as potentially homoplasy-poor characters. In this contribution we analyze the phylogenetic information content from a combinatorial point of view by considering the binary relation on the set of taxa defined by the existence of a single event separating two taxa. We show that the graph-representation of this relation must be a tree. Moreover, we characterize completely the relationship between the tree of such relations and the underlying phylogenetic tree. With directed operations such as tandem-duplication-random-loss events in mind we demonstrate how non-symmetric information constrains the position of the root in the partially reconstructed phylogeny. PMID- 29218396 TI - [Multiple well demarcated skin erosions and ulcers following exanthematous drug eruption after sultamicillin therapy]. AB - This article presents the case of a patient with newly developed skin erosions and ulcerations following an exanthematous drug eruption due to sultamicillin therapy. The skin lesions were treated topically with clobetasol and prednicarbate and orally with methylprednisolone. A skin smear revealed massive growth of Escherichia coli bacteria. Blood cultures were negative. The cause for developing ecthyma gangrenosum in our patient were iatrogenic immunosuppression and transient bacteremia. PMID- 29218398 TI - Enhanced hemoglobin-oxygen unloading in migratory salmonids. AB - Recent findings indicate that some teleost fishes may be able to greatly enhance hemoglobin-oxygen (Hb-O2) unloading at the tissues under conditions that result in catecholamine release. The putative mechanism relies on the high pH sensitivity of teleost hemoglobin (Hb), intracellular red blood cell (RBC) pH regulation via beta-adrenergic Na+/H+ exchanger (beta-NHE) activity, and plasma accessible carbonic anhydrase at the tissues that short-circuits RBC pH regulation. Previous studies have shown that in rainbow trout, this system may double Hb-O2 unloading to red muscle compared to a situation without short circuiting. The present study determined that: (1) in rainbow trout this system may be functional even at low concentrations of circulating catecholamines, as shown by conducting a dose-response analysis; (2) Atlantic and coho salmon also possess beta-NHE activity, as shown by changes in hematocrit in adrenergically stimulated cells; and (3) with beta-NHE short-circuiting, Atlantic and coho salmon may be able to increase Hb-O2 unloading by up to 74 and 159%, respectively, as determined by modeling based on O2 equilibrium curves. Together, these results indicate that a system to enhance Hb-O2 unloading may be common among salmonids and may be operational even under routine conditions. In view of the life histories of Atlantic and coho salmon, a system to enhance Hb-O2 unloading during exercise may help determine a successful spawning migration and thus reproductive success. PMID- 29218399 TI - Lung Image: Doege-Potter Syndrome. PMID- 29218397 TI - Can we better predict the biologic behavior of incidental IPMN? A comprehensive analysis of molecular diagnostics and biomarkers in intraductal papillary mucinous neoplasms of the pancreas. AB - PURPOSE: Predicting the biologic behavior of intraductal papillary mucinous neoplasm (IPMN) remains challenging. Current guidelines utilize patient symptoms and imaging characteristics to determine appropriate surgical candidates. However, the majority of resected cysts remain low-risk lesions, many of which may be feasible to have under surveillance. We herein characterize the most promising and up-to-date molecular diagnostics in order to identify optimal components of a molecular signature to distinguish levels of IPMN dysplasia. METHODS: A comprehensive systematic review of pertinent literature, including our own experience, was conducted based on the PRISMA guidelines. RESULTS: Molecular diagnostics in IPMN patient tissue, duodenal secretions, cyst fluid, saliva, and serum were evaluated and organized into the following categories: oncogenes, tumor suppressor genes, glycoproteins, markers of the immune response, proteomics, DNA/RNA mutations, and next-generation sequencing/microRNA. Specific targets in each of these categories, and in aggregate, were identified by their ability to both characterize a cyst as an IPMN and determine the level of cyst dysplasia. CONCLUSIONS: Combining molecular signatures with clinical and imaging features in this era of next-generation sequencing and advanced computational analysis will enable enhanced sensitivity and specificity of current models to predict the biologic behavior of IPMN. PMID- 29218400 TI - [Emotional robots in a nursing context : Empirical analysis of the present use and the effects of Paro and Pleo]. AB - BACKGROUND: It has been questioned by researchers in robotics as well in the general public to what extent companion-type robots can support the elderly with the fulfillment of their psychological and social needs. Although these robots have already been used in care settings in Germany, research has referred little to this practical experience in order to analyze their impact and benefit. To start to close this gap, the current article reports on the current use of companion-type robots in care settings, on the effects reported by professional caregivers as well as on the role of psychosocial needs in the acceptance and use of companion-type robots by the elderly. MATERIAL AND METHODS: In the first study, 30 professional caregivers with experience in the use of the robot seal Paro in care settings were interviewed regarding Paro's application and the observed effects on their clients. In the second study, three case examples are presented from an interaction study in which vulnerable elderly persons had the robot dinosaur Pleo at their disposal for a maximum period of 15 days. RESULTS: Paro is used very flexibly in a variety of settings and with a broad range of user groups (study 1). The reported psychosocial effects were mainly positive but short term. The case examples (study 2) show that psychosocial needs can both foster or hinder robot acceptance and use. They also emphasize the important role of caregivers in the interaction between the elderly and emotional robots in the context of eldercare. CONCLUSION: The beneficial and ethical use of companion type robots in care settings demands a high commitment on the part of the caregivers. Given this prerequisite, emotional robots can be a valuable therapeutic tool. PMID- 29218401 TI - Using multimedia information and communication technology (ICT) to provide added value to reminiscence therapy for people with dementia : Lessons learned from three field studies. AB - BACKGROUND: In the care of people with dementia (PwD), occupational therapies and activities aiming at maintaining the quality of life of PwD, such as reminiscence therapy (RT), are taking on a more and more important role. Information and communication technology (ICT) has the potential to improve and to facilitate RT by facilitating access to and selection of biographical information and related contents or by providing novel multimodal interaction forms to trigger memories; however, interactive multimedia technology is barely used in practice. OBJECTIVES, MATERIALS AND METHODS: This article presents three exploratory field studies that evaluated different aspects of RT technology use for PwD in care homes, including the utilization of online movie databases, interactive surface touch computers as well as natural user interfaces allowing gestures and haptic interaction. In these studies, the usage of prototype systems was observed in occupational sessions by 5, 12 and 16 PwD. RESULTS AND CONCLUSION: The results indicate positive effects of technology use, e. g. in the form of verbally elicited reminiscence statements, expressed joy and playful interaction. Lessons learned for the design of technology-based RT interventions are presented and discussed. PMID- 29218402 TI - Linking inter-individual variability to endocrine disruptors: insights for epigenetic inheritance. AB - Endocrine disrupting chemicals (EDCs) can induce a myriad of adverse health effects. An area of active investigation is the multi- and transgenerational inheritance of EDC-induced adverse health effects referring to the transmission of phenotypes across multiple generations via the germline. The inheritance of EDC-induced adverse health effects across multiple generations can occur independent of genetics, spurring much research into the transmission of underlying epigenetic mechanisms. Epigenetic mechanisms play important roles in the development of an organism and are responsive to environmental exposures. To date, rodent studies have demonstrated that acquired epigenetic marks, particularly DNA methylation, that are inherited following parental EDC exposure can escape embryonic epigenome reprogramming. The acquired epimutations can lead to subsequent adult-onset diseases. Increasing studies have reported inter individual variations that occur with epigenetic inheritance. Factors that underlie differences among individuals could reveal previously unidentified mechanisms of epigenetic transmission. In this review, we give an overview of DNA methylation and posttranslational histone modification as the potential mechanisms for disease transmission, and define the requirements for multi- and transgenerational epigenetic inheritance. We subsequently evaluate rodent studies investigating how acquired changes in epigenetic marks especially DNA methylation across multiple generations can vary among individuals following parental EDC exposure. We also discuss potential sources of inter-individual variations and the challenges in identifying these variations. We conclude our review discussing the challenges in applying rodent generational studies to humans. PMID- 29218404 TI - The stone surgeon in the mirror: how are German-speaking urologists treating large renal stones today? AB - OBJECTIVE: To elucidate the current treatment strategies of LRS in German speaking Europe. Little is known about the treatment of large renal stones (LRS > 3 cm) in daily urological practice. LRS therapy can be, however, challenging and hazardous. MATERIALS AND METHODS: A 39 item web-based survey was performed among urologists listed by the German, Austrian and Swiss Associations of Urology, addressing professionals treating LRS "on their own" and working in a German speaking country. Uniparametric descriptions indicated as absolute numbers and percentages without p values, simple linear associations and bubble plots without arithmetic means or bar charts with standard deviation between targeted parameters and percentages were used. RESULTS: 266 of the 6586 responding urologists claimed to treat urinary stones on a regular basis. The majority of them were male (90.2%) and over 50 years old (42.9%). Most stones are treated in non-university hospitals (69.5%). 81.9% of all the institutions treat more than 150 cases/y. Open surgery is still performed in 45.5% of the centres, laparoscopy in 32%. Percutaneous nephrolithotomy (PNL) is the primary treatment option. Antimicrobial strategies vary considerably. Serious complications seem to be rare. However, quite a few responders reported treatment-related deaths. The main limitation is the absolute number of urologists performing LRS treatment, which is unknown. CONCLUSIONS: The German-speaking urologist treating LRS is a male and over 50. Although he performs PNL primarily, he is not averse to open surgery and SWL. He applies guidelines and employs modern equipment. Only antimicrobial strategies are out of line with the international standards. PMID- 29218405 TI - Multimodal treatments combined with gamma knife surgery for primary atypical teratoid/rhabdoid tumor of the central nervous system: a single-institute experience of 18 patients. AB - OBJECTIVES: Atypical teratoid/rhabdoid tumor (AT/RT) is a rare, highly malignant tumor of the central nervous system with poor prognosis. Nowadays, multimodal management, including surgery, chemotherapy (CMT), and radiation therapy (RT), is advocated. However, AT/RT treatment with gamma knife surgery (GKS) was rarely reported. The aim of this study was to assess the efficacy and safety of GKS for the treatment of AT/RT. PATIENTS AND METHODS: Medical records of AT/RT patients who underwent surgery from 2007 to 2014 at the West China Hospital were retrospectively reviewed and statistically analyzed. RESULTS: Eighteen patients (12 males and 6 females) were presented with AT/RTs. Median age during presentation was 20.5 months (range, 4-179 months). Twelve patients were < 3 years and six patients were > 3 years. Tumor location was supratentorial in seven patients, infratentorial in ten patients, and center area of the brain in one patient. Treatments performed were as follows: surgery alone in two patients, surgery+RT in two patients, surgery+CMT in five patients, surgery+CMT+RT in two patients, and surgery+CMT+RT+GKS in seven patients. The 2-year overall survival (OS) rate and event-free survival (EFS) rate for all 18 consecutive patients were 33.3 and 27.8%, respectively. Cox regression analyses showed that multimodal management combined with GKS was an independent positive prognostic factor for OS. CONCLUSIONS: Although AT/RTs are lethal cancer types, the OS of the disease was improved by using multimodal therapeutic strategies, including surgery, CMT, and RT, combined with GKS. PMID- 29218403 TI - The storage and recall of memories in the hippocampo-cortical system. AB - A quantitative computational theory of the operation of the hippocampus as an episodic memory system is described. The CA3 system operates as a single attractor or autoassociation network (1) to enable rapid one-trial associations between any spatial location (place in rodents or spatial view in primates) and an object or reward and (2) to provide for completion of the whole memory during recall from any part. The theory is extended to associations between time and object or reward to implement temporal order memory, which is also important in episodic memory. The dentate gyrus performs pattern separation by competitive learning to create sparse representations producing, for example, neurons with place-like fields from entorhinal cortex grid cells. The dentate granule cells generate, by the very small number of mossy fibre connections to CA3, a randomizing pattern separation effect that is important during learning but not recall and that separates out the patterns represented by CA3 firing as being very different from each other. This is optimal for an unstructured episodic memory system in which each memory must be kept distinct from other memories. The direct perforant path input to CA3 is quantitatively appropriate for providing the cue for recall in CA3 but not for learning. The CA1 recodes information from CA3 to set up associatively learned backprojections to the neocortex to allow the subsequent retrieval of information to the neocortex, giving a quantitative account of the large number of hippocampo-neocortical and neocortical-neocortical backprojections. Tests of the theory including hippocampal subregion analyses and hippocampal NMDA receptor knockouts are described and support the theory. PMID- 29218406 TI - Correction to: Acute and chronic neuromuscular adaptations to local vibration training. AB - The author would like to correct the reference in the publication of the original article. The corrected reference is given below for your reading. PMID- 29218407 TI - Short vs. long pulses for testing knee extensor neuromuscular properties: does it matter? AB - PURPOSE: The present study aimed at comparing knee extensor neuromuscular properties determined with transcutaneous electrical stimulation using two pulse durations before and after a standardized fatigue protocol. METHODS: In the first sub-study, 19 healthy participants (ten women and nine men; 28 +/- 5 years) took part to two separate testing sessions involving the characterization of voluntary activation (twitch interpolation technique), muscle contractility (evoked forces by single and paired stimuli), and neuromuscular propagation (M-wave amplitude from vastus lateralis and vastus medialis muscles) obtained at supramaximal intensity with a pulse duration of either 0.2 or 1 ms. The procedures were identical in the second sub-study (N = 11), except that neuromuscular properties were also evaluated after a standardized fatiguing exercise. Electrical stimulation was delivered through large surface electrodes positioned over the quadriceps muscle and a visual analog scale was used to evaluate the discomfort to paired stimuli evoked at rest. RESULTS: There was no difference between pulse durations in the estimates of voluntary activation, neuromuscular propagation, and muscle contractility both in the non-fatigued and fatigued states. The discomfort associated with supramaximal paired electrical stimuli was also comparable between the two pulse durations. CONCLUSIONS: It appears that 0.2- and 1-ms-long pulses provide a comparable evaluation of knee extensor neuromuscular properties. PMID- 29218408 TI - Transcription profiling and identification of infection-related genes in Phytophthora cactorum. AB - Phytophthora cactorum, an oomycete pathogen, infects more than 200 plant species within several plant families. To gain insight into the repertoire of the infection-related genes of P. cactorum, Illumina RNA-Seq was used to perform a global transcriptome analysis of three life cycle stages of the pathogen, mycelia (MY), zoospores (ZO) and germinating cysts with germ tubes (GC). From over 9.8 million Illumina reads for each library, 18,402, 18,569 and 19,443 distinct genes were identified for MY, ZO and GC libraries, respectively. Furthermore, the transcriptome difference among MY, ZO and GC stages was investigated. Gene ontology (GO) and KEGG pathway enrichment analyses revealed diverse biological functions and processes. Comparative analysis identified a large number of genes that are associated with specific stages and pathogenicity, including 166 effector genes. Of them, most of RXLR and NLP genes showed induction while the majority of CRN genes were down-regulated in GC, the important pre-infection stage, compared to either MY or ZO. And 14 genes encoding small cysteine-rich (SCR) secretory proteins showed differential expression during the developmental stages and in planta. Ectopic expression in the Solanaceae indicated that SCR113 and one elicitin PcINF1 can trigger cell death on Nicotiana benthamiana, tobacco (N. tabacum) and tomato (Solanum lycopersicum) leaves. Neither conserved domain nor homologues of SCR113 in other organisms can be identified. Collectively, our study provides a comprehensive examination of gene expression across three P. cactorum developmental stages and describes pathogenicity-related genes, all of which will help elucidate the pathogenicity mechanism of this destructive pathogen. PMID- 29218409 TI - In focus in HCB. PMID- 29218411 TI - Effect of clinical information and previous exam execution on observer agreement and reliability in the analysis of hysteroscopic video-recordings. AB - INTRODUCTION: Inter-observer agreement and reliability in hysteroscopic image assessment remain uncertain and the type of factors that may influence it has only been studied in relation to the experience of hysteroscopists. We aim to assess the effect of clinical information and previous exam execution on observer agreement and reliability in the analysis of hysteroscopic video-recordings. MATERIALS AND METHODS: Ninety hysteroscopies were video-recorded and randomized into a group without (Group 1) and with clinical information (Group 2). The videos were independently analyzed by three hysteroscopists, regarding lesion location, dimension, and type, as well as decision to perform a biopsy. One of the hysteroscopists had executed all the exams before. Proportions of agreement (PA) and kappa statistics (kappa) with 95% confidence intervals (95% CI) were used. RESULTS: In Group 2, there was a higher proportion of a normal diagnosis (p < 0.001) and a lower proportion of biopsies recommended (p = 0.027). Observer agreement and reliability were better in Group 2, with the PA and kappa ranging, respectively, from 0.73 (95% CI 0.62, 0.83) and 0.44 (95% CI 0.26, 0.63), for image quality, to 0.94 (95% CI 0.88, 0.99) and 0.85 (95% CI 0.65, 0.95), for the decision to perform a biopsy. Execution of the exams before the analysis of the video-recordings did not significantly affect the results. CONCLUSION: With clinical information, agreement and reliability in the overall analysis of hysteroscopic video-recordings may reach almost perfect results and this was not significantly affected by the execution of the exams before the analysis. However, there is still uncertainty in the analysis of specific endometrial cavity abnormalities. PMID- 29218410 TI - Cardioprotective effect of thyroid hormone is mediated by AT2 receptor and involves nitric oxide production via Akt activation in mice. AB - Studies have demonstrated that thyroid hormone (T3) can precondition the heart against ischaemic injury and improve post-ischaemic recovery. This study investigated whether the AT2 receptor (AT2R) is involved in cardioprotection and the potential molecular mechanism responsible for this effect. Hyperthyroidism was induced in male wild-type (WT) and AT2R knockout (KO) mice by administering daily intraperitoneal injections of T3 (7 MUg/100 g body weight) for 14 days. The mouse hearts were harvested and perfused with a Krebs-Henseleit solution at a constant flow in a Langendorff set-up. After 30 min of stabilization, the hearts were subjected to global ischaemia for 20 min and reperfused for 45 min. Baseline cardiac function was assessed by measuring four parameters: LVDP (mmHg), heart rate (bpm), + dP/dt and - dP/dt (mmHg/s). After reperfusion, the total protein from cardiac ventricles was obtained, and the Akt signalling pathway and NO production were evaluated. Post-ischaemic functional recovery was significantly greater (p < 0.05) in the T3-treated WT mice compared to the control, demonstrating the cardioprotective effect of T3. This effect was abolished in T3 treated KO mice, demonstrating the physiological relevance of AT2R to the cardioprotective phenotype induced by T3. Akt activation, iNOS expression and NO production increased in cardiac tissue after T3 treatment in the WT animals, but no difference was observed after treatment in the KO mice. This study indicates that AT2R acts as a cardioprotector in the case of hyperthyroidism. Strategies targeting AT2R agonists might improve cardiac function through NO production and suggest potential therapeutic targets for heart diseases. PMID- 29218412 TI - Epilepsy surgery in infants : Safety issues and developmental outcome. AB - PURPOSE: To evaluate the efficacy and safety of epilepsy surgery in infants. METHODS: Included were patients with epilepsy onset during the first year of life, epilepsy surgery before the age of 36 months at the study center and a minimum follow-up of 24 months after surgery. Patients who were surgically treated before the age of 12 months were compared with those between 13 and 36 months. Group differences with respect to efficacy (seizure outcomes and developmental progress measured by the social interaction quotient, SIQ) as well as safety (i. e. peri-operative complication rates) were analyzed. RESULTS: A total of 20 patients (10 girls) were included: 10 (five girls) were operated on as infants (median age at surgery 9.0 months, median disease duration prior to surgery 5.0 months) and 10 (5 girls) were operated on as toddlers (median age at surgery 24.0 months, median disease duration prior to surgery 18.0 months). Favorable seizure outcomes (Wieser 1a and 1) were seen in 80% (8/10) of the infants and 60.0% (6/10) of toddlers. Developmental progress was most evident in infants who were seizure-free and off medication (median SIQ 85.5 versus 63.0 in the toddler group). There were no differences between the two groups with respect to safety aspects. CONCLUSION: Despite several limitations due to the small number of patients included, our results are in favor of early epilepsy surgery in infants with drug-resistant epilepsy. PMID- 29218413 TI - Do free-ranging rattlesnakes use thermal cues to evaluate prey? AB - Rattlesnakes use infrared radiation to detect prey animals such as small mammals and lizards. Because ectotherm locomotor performance depends on temperature, rattlesnakes could use prey temperature to evaluate the potential of lizards to evade attacks. Here, we tested whether hunting rattlesnakes use infrared information to (1) detect and (2) evaluate prey before attack. We expected thermal contrast between prey and background to be the best predictor of predatory behaviour under the prey detection hypothesis, and absolute prey temperature under the prey evaluation hypothesis. We presented lizard carcasses of varying temperatures to free-ranging sidewinder rattlesnakes (Crotalus cerastes) and scored behavioural responses as a function of thermal contrast, absolute lizard temperature, and light level. Thermal contrast and light level were the most salient predictors of snake behaviour. Snakes were more likely to respond to lizards and/or respond at greater distances at night and when thermal contrast was high, supporting the known prey detection function of infrared sensing. Absolute lizard temperature was not an important predictor of snake behaviour; thus, we found no evidence for temperature-based prey evaluation. Infrared sensing is still poorly understood in ecologically relevant contexts; future research will test whether rattlesnakes learn to evaluate prey based on temperature with experience. PMID- 29218414 TI - Cyclic lipopeptide signature as fingerprinting for the screening of halotolerant Bacillus strains towards microbial enhanced oil recovery. AB - Cyclic lipopeptides (CLPs) are non-ribosomal biosurfactants produced by Bacillus species that exhibit outstanding interfacial activity. The synthesis of CLPs is under genetic and environmental influence, and representatives from different families are generally co-produced, generating isoforms that differ in chemical structure and biological activities. This study to evaluate the effect of low and high NaCl concentrations on the composition and surface activity of CLPs produced by Bacillus strains TIM27, TIM49, TIM68, and ICA13 towards microbial enhanced oil recovery (MEOR). The strains were evaluated in mineral medium containing NaCl 2.7, 66, or 100 g L-1 and growth, surface tension and emulsification activity were monitored. Based on the analysis of 16S rDNA, gyrB and rpoB sequences TIM27 and TIM49 were assigned to Bacillus subtilis, TIM68 to Bacillus vallismortis, and ICA13 to Bacillus amyloliquefaciens. All strains tolerated up to 100-g L-1 NaCl, but only TIM49 and TIM68 were able to reduce surface tension at this concentration. TIM49 also showed emulsification activity at concentrations up to 66-g L-1 NaCl. ESI-MS analysis showed that the strains produced a mixture of CLPs, which presented distinct CLP profiles at low and high NaCl concentrations. High NaCl concentration favored the synthesis of surfactins and/or fengycins that correlated with the surface activities of TIM49 and TIM68, whereas low concentration favored the synthesis of iturins. Taken together, these findings suggest that the determination of CLP signatures under the expected condition of oil reservoirs can be useful in the guidance for choosing well-suited strains to MEOR. PMID- 29218415 TI - Timing of cortical activation during spontaneous swallowing. AB - Saliva accumulation in the oropharynx generates an automatic pattern of swallowing in the brainstem in animals. Previous fMRI studies have found that spontaneous saliva and water swallows in humans evoked activation following swallow onset in both precentral motor and postcentral somatosensory cortical regions. Using event-related averaging of continuous functional near infrared spectroscopy (fNIRS), we examined cortical hemodynamic responses (HDR) from 5 s before to 35 s after spontaneous reflexive saliva swallow onset in the lateral postcentral somatosensory and precentral motor regions in both hemispheres in healthy volunteers. Three HDR changes from baseline were detected. First, the onset of HDR occurred 2 s before swallow onset in the left postcentral somatosensory area and 0.67 s before swallow onset in the right postcentral somatosensory area. Second, an early HDR peak amplitude occurred 3-4 s after swallow onset in all four regions. Z scores relative to baseline pre-swallow cortical activity levels averaged 20 and 22.7 s in the right and left somatosensory regions and 10 and 15.8 s in left and right motor areas, respectively. Finally, a late HDR peak occurring between 22 and 23 s after swallow onset in the somatosensory regions and 17-19 s in the motor areas likely resulted from esophageal peristalsis. Overall, cortical activation timing relative to swallow onsets showed activation began before the pharyngeal phase of swallowing in the somatosensory areas. This indicates that somatosensory triggering of swallowing occurs not only in the brainstem but also in the cortex for reflexive saliva swallowing in awake humans. PMID- 29218416 TI - Stability and donor-acceptor bond in dinuclear organometallics CpM1-M2Cl3 (M1, M2 = B, Al, Ga, In; Cp = eta 5-C5H5). AB - The geometries and stabilities of the dinuclear organometallics CpM1-M2Cl3 (M1, M2 = B, Al, Ga, In; Cp = eta 5-C5H5) have been investigated by density functional theory (DFT) at M06 L/6-311G(d, p) levels. The nature of the donor-acceptor M1 -> M2 bond was also studied based on the atoms in molecules (AIM) theory, energy decomposition analysis (EDA) and natural bond orbital (NBO) analysis. The results show that the electronegativity of the M atom determines the stability and covalent character of the dinuclear organometallics CpM1-M2Cl3. The compounds in which the M with larger electronegativity acts as the donor are more stable than in those in which it acts as the acceptor in the donor-acceptor bond, and the donor-acceptor bond has more covalent characteristics. The strength and polarity of the M1 -> M2 donor-acceptor bond is determined by the periodicity of the M atom. When the period number of the M1 atom is smaller than that of M2, the strength of the M1 -> M2 bond is larger than that of the M2 -> M1 bond. For homonuclear dinuclear organometallics, the polarity of the M-M bond increases with increasing atomic number of the M atom. For heteronuclear complexes, the polarity of the M1-M2 bond for a given M1 also increases in the sequence of M2 = B, Al, Ga, and In. Graphic abstract Molecular graph and electron location function isosurfaces map of CpM 1 -M 2 Cl 3(small red spheres represent bond critical points). PMID- 29218417 TI - Intensive dietary intervention promoting the Mediterranean diet in people with high cardiometabolic risk: a non-randomized study. AB - AIMS: Mediterranean diet (MD) is acknowledged to exert a number of beneficial health effects. We assessed the efficacy and the durability of a 3-month intensive dietary intervention aimed at implementing the MD on body weight and cardiometabolic risk factors in subjects at high risk. METHODS: One hundred and sixteen subjects participated in the study (71 assigned to the intensive intervention and 45 to the conventional intervention). The intensive intervention consisted of 12 weekly group educational meetings and a free-of-charge supply of meals prepared according to the MD model. The conventional intervention consisted of an individual education session along with monthly reinforcements of nutritional messages by the general practitioner. All participants were followed up for 9 months. RESULTS: The two groups had similar pre-intervention characteristics. After the intervention, mean body weight decreased significantly in both groups (p < 0.001). However, the intervention group lost more weight (6.8 +/- 4.0 vs. 0.7 +/- 1.3, p < 0.0001) and showed a greater reduction in plasma glucose, triglycerides, blood pressure and an increase in HDL cholesterol than the control group (p < 0.01-p < 0.002). In the subgroup of participants with type 2 diabetes, there was a significant reduction in HbA1c level following the intensive (p < 0.0001) but not the conventional intervention. At follow-up, weight loss still persisted in the intervention group (p < 0.0001), while it was lost in the control group. Both interventions significantly reduced blood pressure in the long term (p < 0.001). A significant reduction in daily total energy intake was observed in both groups with a greater reduction in saturated fat and a higher increase in fibre intake in the intervention than in the control group (p < 0.009 and p < 0.001, respectively). CONCLUSIONS: A 3-month intensive dietary intervention inspired to the traditional MD produced greater and more durable weight loss and improvement in cardiometabolic risk profile than the conventional intervention. PMID- 29218418 TI - Agricultural water policy reforms in China: a representative look at Zhangye City, Gansu Province, China. AB - Water resources are essential for agricultural production in the grain-producing region of China, and water shortage could significantly affect the production and international trade of agricultural products. China is placing effort in new policies to effectively respond to changes in water resources due to changes in land use/land cover as well as climatic variations. This research investigates the changes in land, water, and the awareness of farmer vis-a-vis the implementation of water-saving policies in Zhangye City, an experimental site for pilot programs of water resources management in China. This research indicates that the water saved through water-saving programs and changes in cropping structure (2.2 * 108 m3 a-1) is perhaps lower than the newly increased water withdrawal through corporate-led land reclamation (3.7 * 108 m3 a-1). Most critically, the groundwater withdrawal has increased. In addition, our survey suggests that local government is facing a dilemma of water conservation and agricultural development. Therefore, the enforcement of the ban on farmland reclamation and irrigation water quotas in our study area is revealed to be relatively loose. In this vein, the engagement of local stakeholders in water governance is essential for the future sustainable management of water resources. PMID- 29218419 TI - An unexpected improvement in spatial learning and memory ability in alpha synuclein A53T transgenic mice. AB - Growing evidence suggests, as Parkinson's disease (PD) progresses, that its non motor symptoms appear prior to or in parallel with its motor deficits. Alpha synuclein A53T transgenic mouse (A53T) is an essential tool to investigate the onsets and the extents of PD non-motor symptoms. Our aim is to investigate spatial learning and memory ability in A53T mice. In our rotarod tests, no motor coordination impairments were detected in mice of 3, 6, 9, and 12 months old. We then investigated their spatial learning and memory ability through Morris water maze in 3- and 9-month-old mice. No significant difference in escape latency was detected among the A53T mice and the control mice. However, an unexpected improvement in spatial learning and memory ability was observed in the probe session among the A53T mice. Reversal learning by Morris water maze also indicated that 3- and 9-month-old A53T mice exhibited a better cognitive flexibility compared to their littermate controls. Further studies by western blots showed that alpha-synuclein expressions in hippocampus of the A53T mice were noticeably up-regulated. The immunofluorescence staining of 5-bromo-2 deoxyuridine (Brdu) and doublecortin (DCX) demonstrated that neither the Brdu positive neurons nor the Brdu/DCX positive neurons in hippocampus were significantly altered between the two groups. These results suggest that our A53T mice exhibit improved spatial learning and memory ability prior to their motor coordination deficits. These results are not induced by neurogenesis in the hippocampus. PMID- 29218420 TI - An Improved Pathological Brain Detection System Based on Two-Dimensional PCA and Evolutionary Extreme Learning Machine. AB - Pathological brain detection has made notable stride in the past years, as a consequence many pathological brain detection systems (PBDSs) have been proposed. But, the accuracy of these systems still needs significant improvement in order to meet the necessity of real world diagnostic situations. In this paper, an efficient PBDS based on MR images is proposed that markedly improves the recent results. The proposed system makes use of contrast limited adaptive histogram equalization (CLAHE) to enhance the quality of the input MR images. Thereafter, two-dimensional PCA (2DPCA) strategy is employed to extract the features and subsequently, a PCA+LDA approach is used to generate a compact and discriminative feature set. Finally, a new learning algorithm called MDE-ELM is suggested that combines modified differential evolution (MDE) and extreme learning machine (ELM) for segregation of MR images as pathological or healthy. The MDE is utilized to optimize the input weights and hidden biases of single-hidden-layer feed-forward neural networks (SLFN), whereas an analytical method is used for determining the output weights. The proposed algorithm performs optimization based on both the root mean squared error (RMSE) and norm of the output weights of SLFNs. The suggested scheme is benchmarked on three standard datasets and the results are compared against other competent schemes. The experimental outcomes show that the proposed scheme offers superior results compared to its counterparts. Further, it has been noticed that the proposed MDE-ELM classifier obtains better accuracy with compact network architecture than conventional algorithms. PMID- 29218421 TI - Cistus ladanifer (Cistaceae): a natural resource in Mediterranean-type ecosystems. AB - MAIN CONCLUSION: Cistus ladanifer has a well-defined taxonomic identity. 2,2,6 trimethylcyclohexanone may be an authenticity and taxonomic marker. Its traits and applications make it a possible economic resource fitted for Mediterranean areas. Cistus ladanifer is a dominant shrub species endemic to the western Mediterranean region. Due to its dominant nature and its potential ecological, aromatic or pharmacological applications, C. ladanifer has been the object of numerous studies. In this review current knowledge on different aspects of this species is summarized, from its taxonomy to its chemical characterisation or its competitive traits. There are no doubts about the taxonomic entity of C. ladanifer, although the recognition of infraspecific taxa deserves more attention. Given that the fragrant exudate of C. ladanifer holds a very specific composition, one species specific carotenoid, 2,2,6-trimethylcyclohexanone, derivative is proposed as an authenticity marker for uses of C. ladanifer in pharmacological or aromatic industries. Evidence is also gathered on the extreme adaptation of C. ladanifer to stressful conditions in the Mediterranean region, such as the ability to survive in low hydric and high solar exposition conditions, presistence in poor and contaminated soils, and growth inhibition of several other plants through the release of allelochemicals. Thus, the finding of potential applications for this plant may contribute to enhance the economic dimension of derelict lands, such as mine tailings or poor agricultural Mediterranean areas. PMID- 29218422 TI - How frequent does peri-implantitis occur? A systematic review and meta-analysis. AB - OBJECTIVES: The objective of this study is to estimate the overall prevalence of peri-implantitis (PI) and the effect of different study designs, function times, and implant surfaces on prevalence rate reported by the studies adhering to the case definition of Sanz & Chapple 2012. MATERIAL AND METHODS: Following electronic and manual searches of the literature published up to February 2016, data were extracted from the studies fitting the study criteria. Meta-analysis was performed for estimation of overall prevalence of PI while the effects of the study design, function time, and implant surface type on prevalence rate were investigated using meta-regression method. RESULTS: Twenty-nine articles were included in this study. The prevalence rate in all subset meta-analyses was always higher at patient level when compared to the prevalence rate at the implant level. Prevalence of PI was 18.5% at the patient level and 12.8% at the implant level. Meta-regression analysis did not identify any association for different study designs and function times while it was demonstrated the significant association between moderately rough surfaces with lower prevalence rate of PI (p = 0.011). CONCLUSIONS: The prevalence rate of PI remains highly variable even following restriction to the clinical case definition and it seems to be affected by local factors such as implant surface characteristics. The identification of adjuvant diagnostic markers seems necessary for more accurate disease classification. CLINICAL RELEVANCE: The occurrence of PI is affected by local factors such as implant surface characteristics hence the careful assessment of the local factors should be performed within treatment planning. PMID- 29218423 TI - Early intraocular pressure change after peripheral iridotomy with ultralow fluence pattern scanning laser and Nd:YAG laser in primary angle-closure suspect: Kowloon East Pattern Scanning Laser Study Report No. 3. AB - PURPOSE: Our purpose was to assess the early intraocular pressure (IOP) changes of ultralow fluence laser iridotomy using pattern scanning laser followed by neodymium:yttrium-aluminum-gamet (Nd:YAG) laser. METHODS: This is a prospective interventional study. Thirty-three eyes of 33 adult Chinese primary angle-closure suspect subjects were recruited for prophylactic laser peripheral iridotomy. Sequential laser peripheral iridotomy was performed using pattern scanning laser followed by Nd:YAG laser. Visual acuity (VA) and IOP were measured before treatment, at 1 h, 1 day, 1 week, 1 month, 3 months and 6 months after laser. Laser energy used and complications were documented. Corneal endothelial cell count was examined at baseline and 6 months. Patency of the iridotomy was assessed at each follow-up visit. RESULTS: All subjects achieved patent iridotomy in a single session. The mean energy used was 0.335+/-0.088 J for the pattern scanning laser, and 4.767+/-5.780 mJ for the Nd:YAG laser. The total mean energy was 0.339+/-0.089 J. None of the eyes developed a clinically significant IOP spike (>= 8 mmHg) at 1 h and 1 day after laser use. Only four eyes developed higher IOP at 1 h and all were <=3 mmHg compared to baseline. The mean IOP was 13.8+/-2.5 mmHg at 1 h and 11.5+/-2.2 mmHg at 1 day, both were significantly lower than baseline (15.8+/-2.1 mmHg) (P < 0.001). Mean VA (logMAR) was similar at 1 h post laser compared to baseline (0.23 vs 0.26). There was also no statistically significant difference in mean VA at other follow-up visits compared to baseline. Peripheral iridotomy closure was encountered in two (6.1%) eyes, one at 1 month and another at 6 months follow-up. There were no complications including hyphema, peripheral anterior synechia formation nor prolonged inflammation throughout the follow-up period. There was no significant loss in corneal endothelial cell counts at 6 months (2255+/-490) compared to baseline (2303+/-386) (P = 0.347). CONCLUSIONS: Sequential LPI using an ultralow fluence pattern scanning laser, followed by a Nd:YAG laser, is safe and efficacious, and produces no IOP spike in dark irides of primary angle-closure suspects. Further studies to investigate its role in the treatment of other angle closure conditions are warranted. PMID- 29218424 TI - Pharmacoimaging of Blood-Brain Barrier Permeable (FDG) and Impermeable (FLT) Substrates After Intranasal (IN) Administration. AB - To illustrate the use of imaging to quantify the transfer of materials from the nasal cavity to other anatomical compartments, specifically, transfer to the brain using the thymidine analogue, [18F]fluorothymidine (FLT), and the glucose analogue, [18F]fluorodeoxyglucose (FDG). Anesthetized rats were administered FLT or FDG by intranasal instillation (IN) or tail-vein injection (IV). PET/CT imaging was performed for up to 60 min. Volumes-of-interest (VOIs) for the olfactory bulb (OB) and the remaining brain were created on the CT and transferred to the co-registered dynamic PET. Time-activity curves (TACs) were generated and compared. The disposition patterns were successfully visualized and quantified and differences in brain distribution patterns were observed. For FDG, the concentration was substantially higher in the OB than the brain only after IN administration. For FLT, the concentration was higher in the OB than the brain after both IN and IV and higher after IN than after IV administration at all times, whereas the concentration in the brain was higher after IN than after IV administration at early times only. Approximately 50 and 9% of the IN FDG and FLT doses, respectively, remained in the nasal cavity at 20 min post-administration. The initial phase of clearance was similar for both agents (t1/2 = 2.53 and 3.36 min) but the slow clearance phase was more rapid for FLT than FDG (t1/2 = 32.1 and 85.2 min, respectively). Pharmacoimaging techniques employing PET/CT can be successfully implemented to quantitatively investigate and compare the disposition of radiolabeled agents administered by a variety of routes. PMID- 29218425 TI - Ionized and total serum magnesium in hemodialysis: predictors and variability. A longitudinal cross-sectional study. AB - BACKGROUND: Ionized Magnesium (ion-Mg) represents the active biological fraction of the serum magnesium content. The assessment of total serum Mg (tot-Mg) might not accurately identify patients with hypo-or hyper-magnesaemie. In hemodialysis, serum tot-Mg levels in the upper part of the distribution, have been associated with reduced mortality and fewer vascular calcifications; thus, resulting in the tendency to increase the Mg concentration in the dialysate, traditionally set at 0.5 mmol/L. METHODS: Single-center study in chronic hemodialysis patients, designed in two phases, cross-sectional and longitudinal, aimed to investigate: (1) the sensitivity for pathological values of ion-Mg compared to tot-Mg (2) the predictors of ion-Mg developing ad hoc equations; (3) the inter- and intra individual variabilities of ion-Mg; and (4) the risk factors for hypermagnesemia. Tot-Mg, ion-Mg, and covariates of 42 hemodialysis sessions, in 42 patients during the cross-sectional phase and of 270 sessions in 27 patients in the longitudinal one were analysed. RESULTS: Ion-Mg significantly correlates with tot-Mg: beta = 0.52; r = 0.88, p < 0.001. Multiple linear regressions in normo- and hypo albuminemic patients gave the following results: ion-Mg = tot-Mg/2-K+/50 + Ca2+/5 HCO3-/100 and ion-Mg = tot-Mg/2 + albumin/100. Ion-Mg showed a high temporal variability in the longitudinal phase (between months p < 0.001; winter vs. summer, p < 0.027). A high intra-individual variability was also found: coefficient of variation 0.116. Comparing patients with high and low intra individual variability, we found: age 67 vs. 77 years; p < 0.001; urea 26.3 +/- 0.5 vs. 21.2 +/- 0.4 mmol/L, p < 0.001; nPCR 0.92 +/- 0.1 vs. 0.77 +/- 0.1 g/kg day, p < 0.001; PTH 46.3 +/- 4 vs. 28.5 +/- 3 pmol/L, p < 0.001. CONCLUSIONS: Ion Mg can be useful in unmasking unrecognized hyper- and hypo-magnesemic and false hyper-magnesemic patients. Ion-Mg is characterized by high intra- and inter individual variabilities particularly in younger women and those with better nutrition. Patients with greater variability could potentially be at risk if exposed to higher concentrations of magnesium in the dialysate. An interventional study, with controlled increase of magnesium concentrations in the dialysate has been planned. PMID- 29218427 TI - The role of nonautologous and autologous adipose-derived mesenchymal stem cell in acute pyelonephritis. AB - We compared the therapeutic effects of autologous and nonautologous adipose derived mesenchymal stem cell (ADMSC), in ameliorating the renal function in a rabbit model of acute pyelonephritis. The difference of perirenal and neck subcutaneous ADMSCs were also evaluated. Twenty female rabbits were apportioned to 5 groups. In group I (n = 4), the rabbits were injected direct inoculation of Escherichia coli (E. coli) into the right kidney. In group II (n = 4), autologous ADMSCs obtained from nape adipose tissue were injected into the subcapsular space 1 week after E. coli injection, while nonautologous ADMSCs of the same origin (from male rabbits) were applied in group III (n = 4). In group IV (n = 4), autologous perirenal ADMSCs were applied with the same method, while perirenal nonautologous ADMSCs from male rabbits were used in group V (n = 4). Technetium 99m-DMSA renal scan was performed 1, 2 and 4 months post-injection in all groups. Kidneys were excised for the evaluation of histopathological changes in the same time points. PCR examination for detection of Y-chromosome (in group III and V) and fluorescent evaluation (in group II and IV) were also performed to determine the fate of injected cells. Injection of autologous ADMSCs resulted in more satisfactory outcomes in reduction of interstitial fibrosis, tubular, and glomerular atrophy as compared to nonautologous groups. However, histopathological ameliorations were significantly better in group IV in which autologous perirenal ADMSC was applied. Remarkably, two months after the injection, Technetium-99m-DMSA renal scan showed that right kidney reached to near normal cortical function (48 and 45%) in group IV and V, respectively as compared to groups II (41%) and III (37%). Autologous ADMSCs may have better results in cell therapy as compared to nonautologous cells. However, more satisfactory outcomes may be obtained when the cell source is selected from the surrounding adipose tissue. PMID- 29218426 TI - Telomere length and risk of developing gastric adenocarcinoma: The Singapore Chinese Health Study. AB - BACKGROUND: Extreme telomere length has been previously reported to be associated with increased risk of gastric cancer. However, evidence from prospective studies on a relative large sample size with long-term follow-up to further corroborate previous study findings is meager. METHODS: The association between peripheral blood leukocyte telomere length and risk of gastric adenocarcinoma was prospectively examined in a cohort of 26,540 middle-aged or older Chinese nested in the Singapore Chinese Health Study. Telomere length was determined using a validated qPCR-based method. The Cox proportional regression method was used to estimate hazard ratio (HR) and its 95% confidence interval (CI) of gastric adenocarcinoma associated with telomere length after adjustment for potential confounders. Restricted cubic spline analysis was applied to assess the nonlinear relationship between telomere length and gastric cancer risk. RESULTS: A U-shaped association was found between telomere length and risk of gastric adenocarcinoma (P nonlinearity = 0.020). Compared with the second quintile of telomere length, a statistically significant higher risk of gastric adenocarcinoma was associated with either the lowest quintile (HR = 1.63, 95% CI, 1.07-2.47) or the highest quintile (HR = 1.55, 95% CI, 0.97-2.47) of telomere length. This U-shaped relationship was more apparent in men and younger individuals. CONCLUSIONS: This is the first prospective study demonstrating a higher risk of gastric cancer to be associated with either extremely short or extremely long telomere length. Short and long telomere length may function differently in the early and late stages of gastric carcinogenesis. PMID- 29218428 TI - SPECT/CT: Looking Beyond Sentinel Lymph Node Identification for Improving Patient Outcomes. PMID- 29218429 TI - Protein Expression of PTTG1 as a Diagnostic Biomarker in Adrenocortical Carcinoma. AB - BACKGROUND: Adrenocortical carcinoma (ACC) has a poor prognosis and there is an unmet clinical need for biomarkers to improve both diagnostic and prognostic assessment. Pituitary-tumor transforming gene (PTTG1) has been shown to modulate cancer invasiveness and response to therapy. The potential role of PTTG1 protein levels in ACC has not been previously addressed. We assessed whether increased nuclear protein expression of PTTG1 distinguished ACCs from adrenocortical adenomas (ACAs). METHODS: Patients with ACC or ACA were identified from prospective tissue banks at two independent institutions. Two tissue microarrays (TMAs) consisting of adrenal specimens from 131 patients were constructed and clinically annotated. Immunohistochemical analysis for PTTG1 and Ki-67 was performed on each TMA. RESULTS: TMA-1 (n = 80) contained 20 normal adrenals, 20 ACAs, and 40 ACCs, and the validation, TMA-2 (n = 51), consisted of 10 normal adrenals, 14 ACAs, and 27 ACCs. On TMA-1, nuclear staining of PTTG1 was detected in 12 (31%) ACC specimens, while all ACAs and normal adrenal glands were negative for PTTG1. On TMA-2, 20 (74%) of the ACC tumors demonstrated PTTG1 nuclear staining of PTTG1, and 13 (93%) ACA and 4 (44%) normal adrenal glands were negative for PTTG1. ACC tumors with increased PTTG1 protein staining had a significantly higher Ki-67 index (p < 0.001) than those with lower levels of PTTG1. CONCLUSIONS: Increased nuclear protein expression of PTTG1 was observed in malignant adrenal tumors. PTTG1 correlated with Ki-67 in two independent TMAs. PTTG1 is a promising biologic marker in the evaluation of adrenal tumors. PMID- 29218430 TI - CPdock: the complementarity plot for docking of proteins: implementing multi dielectric continuum electrostatics. AB - The complementarity plot (CP) is an established validation tool for protein structures, applicable to both globular proteins (folding) as well as protein protein complexes (binding). It computes the shape and electrostatic complementarities (Sm, Em) for amino acid side-chains buried within the protein interior or interface and plots them in a two-dimensional plot having knowledge based probabilistic quality estimates for the residues as well as for the whole structure. The current report essentially presents an upgraded version of the plot with the implementation of the advanced multi-dielectric functionality (as in Delphi version 6.2 or higher) in the computation of electrostatic complementarity to make the validation tool physico-chemically more realistic. The two methods (single- and multi-dielectric) agree decently in their resultant Em values, and hence, provisions for both methods have been kept in the software suite. So to speak, the global electrostatic balance within a well-folded protein and/or a well-packed interface seems only marginally perturbed by the choice of different internal dielectric values. However, both from theoretical as well as practical grounds, the more advanced multi-dielectric version of the plot is certainly recommended for potentially producing more reliable results. The report also presents a new methodology and a variant plot, namely CPdock, based on the same principles of complementarity specifically designed to be used in the docking of proteins. The efficacy of the method to discriminate between good and bad docked protein complexes has been tested on a recent state-of-the-art docking benchmark. The results unambiguously indicate that CPdock can indeed be effective in the initial screening phase of a docking scoring pipeline before going into more sophisticated and computationally expensive scoring functions. CPdock has been made available at https://github.com/nemo8130/CPdock . Graphical Abstract An example showing the efficacy of CPdock to be used in the initial screening phase of a protein-protein docking scoring pipeline. PMID- 29218431 TI - External validity of two nomograms for predicting distant brain failure after radiosurgery for brain metastases in a bi-institutional independent patient cohort. AB - Patients treated with stereotactic radiosurgery (SRS) for brain metastases (BM) are at increased risk of distant brain failure (DBF). Two nomograms have been recently published to predict individualized risk of DBF after SRS. The goal of this study was to assess the external validity of these nomograms in an independent patient cohort. The records of consecutive patients with BM treated with SRS at Levine Cancer Institute and Emory University between 2005 and 2013 were reviewed. Three validation cohorts were generated based on the specific nomogram or recursive partitioning analysis (RPA) entry criteria: Wake Forest nomogram (n = 281), Canadian nomogram (n = 282), and Canadian RPA (n = 303) validation cohorts. Freedom from DBF at 1-year in the Wake Forest study was 30% compared with 50% in the validation cohort. The validation c-index for both the 6 month and 9-month freedom from DBF Wake Forest nomograms was 0.55, indicating poor discrimination ability, and the goodness-of-fit test for both nomograms was highly significant (p < 0.001), indicating poor calibration. The 1-year actuarial DBF in the Canadian nomogram study was 43.9% compared with 50.9% in the validation cohort. The validation c-index for the Canadian 1-year DBF nomogram was 0.56, and the goodness-of-fit test was also highly significant (p < 0.001). The validation accuracy and c-index of the Canadian RPA classification was 53% and 0.61, respectively. The Wake Forest and Canadian nomograms for predicting risk of DBF after SRS were found to have limited predictive ability in an independent bi-institutional validation cohort. These results reinforce the importance of validating predictive models in independent patient cohorts. PMID- 29218432 TI - The 2016 revision of the WHO Classification of Central Nervous System Tumours: retrospective application to a cohort of diffuse gliomas. AB - The classification of central nervous system tumours has more recently been shaped by a focus on molecular pathology rather than histopathology. We re classified 82 glial tumours according to the molecular-genetic criteria of the 2016 revision of the World Health Organization (WHO) Classification of Tumours of the Central Nervous System. Initial diagnoses and grading were based on the morphological criteria of the 2007 WHO scheme. Because of the impression of an oligodendroglial component on initial histological assessment, each tumour was tested for co-deletion of chromosomes 1p and 19q and mutations of isocitrate dehydrogenase (IDH-1 and 2) genes. Additionally, expression of proteins encoded by alpha-thalassemia X-linked mental retardation (ATRX) and TP53 genes was assessed by immunohistochemistry. We found that all but two tumours could be assigned to a specific category in the 2016 revision. The most common change in diagnosis was from oligoastrocytoma to specifically astrocytoma or oligodendroglioma. Analysis of progression free survival (PFS) for WHO grade II and III tumours showed that the objective criteria of the 2016 revision separated diffuse gliomas into three distinct molecular categories: chromosome 1p/19q co deleted/IDH mutant, intact 1p/19q/IDH mutant and IDH wild type. No significant difference in PFS was found when comparing IDH mutant grade II and III tumours suggesting that IDH status is more informative than tumour grade. The segregation into distinct molecular sub-types that is achieved by the 2016 revision provides an objective evidence base for managing patients with grade II and III diffuse gliomas based on prognosis. PMID- 29218434 TI - Inhibition of GSK-3beta Signaling Pathway Rescues Ketamine-Induced Neurotoxicity in Neural Stem Cell-Derived Neurons. AB - Clinical application of anesthetic reagent, ketamine (Keta), may induce irreversible neurotoxicity in central nervous system. In this work, we utilized an in vitro model of neural stem cells-derived neurons (nSCNs) to evaluate the role of GSK-3 signaling pathway in Keta-induced neurotoxicity. Embryonic mouse brain neural stem cells were differentiated into neurons in vitro. Keta (50 MUM) induced neurotoxicity in cultured nSCNs was monitored by apoptosis, immunohistochemical and western blot assays, respectively. GSK-3 signaling pathways, including GSK-3alpha and GSK-3beta, were inhibited by siRNA in the culture. The subsequent effects of GSK-3alpha or GSK-3beta downregulation on Keta induced neurotoxicity, including apoptosis and neurite loss, were then evaluated in nSCNs. Finally, caspase and Akt/ERK signal pathways were further examined by western blot to evaluate the regulatory effect of GSK-3 signaling pathways on Keta-induced neural injury. Keta (50 MUM) caused markedly nSCN apoptosis and neurite degeneration in vitro. Keta decreased GSK-3beta phosphorylation, but had no effect on GSK-3alpha phosphorylation. SiRNA-induced GSK-3beta downregulation rescued Keta-induced neurotoxicity in nSCNs by reducing neuronal apoptosis and preventing neurite degeneration. On the other hand, GSK-3alpha downregulation had no effect on Keta-induced neurotoxicity. Western blot showed that, in Keta injured nSCNs, GSK-3beta downregulation reduced Caspase-1/3 proteins, but left phosphorylated Akt/ERK unchanged. GSK-3beta, not GSK-3alpha, was specifically involved in the process of Keta-induced neurotoxicity in nSCNs. Inhibiting GSK 3beta may be an effective approach to counter toxic effect of ketamine on central neurons in clinical and experimental applications. PMID- 29218433 TI - s8ORF2 protein of infectious salmon anaemia virus is a RNA-silencing suppressor and interacts with Salmon salar Mov10 (SsMov10) of the host RNAi machinery. AB - The infectious salmon anaemia virus (ISAV) is a piscine virus, a member of Orthomyxoviridae family. It encodes at least 10 proteins from eight negative strand RNA segments. Since ISAV belongs to the same virus family as Influenza A virus, with similarities in protein functions, they may hence be characterised by analogy. Like NS1 protein of Influenza A virus, s8ORF2 of ISAV is implicated in interferon antagonism and RNA-binding functions. In this study, we investigated the role of s8ORF2 in RNAi suppression in a well-established Agrobacterium transient suppression assay in stably silenced transgenic Nicotiana xanthi. In addition, s8ORF2 was identified as a novel interactor with SsMov10, a key molecule responsible for RISC assembly and maturation in the RNAi pathway. This study thus sheds light on a novel route undertaken by viral proteins in promoting viral growth, using the host RNAi machinery. PMID- 29218436 TI - Peritoneal dialysis and infants: further insights into a complicated relationship. AB - Peritoneal dialysis (PD) in infants represents one of the greatest challenges for pediatric nephrologists. Over recent years, positive outcome data described by several multicenter experiences and registry studies have increased the amount of information available to help determine whether to initiate a dialysis program in this high-risk patient population. There is no doubt that the rigorous implementation of strategies aimed at preventing infectious complications may have contributed to reducing the morbidity rate of these patients. However, the complex nature of infants with end-stage renal disease and the presence of multiple comorbidities still represent hallmarks that significantly impact on outcome. Although the rigorous application of improved scientific techniques can still contribute to enhancing PD results in infants, we have to acknowledge that the severity of illness in infants, especially at dialysis initiation, represents an undeniable and nonmodifiable factor. PMID- 29218435 TI - Educational review: measurement of GFR in special populations. AB - IMPORTANCE: Changes in kidney function are typically followed by the sequential estimation of glomerular filtration rate (eGFR). Formulae for eGFR work well on a population basis, but there are well-known conditions where they do not work. OBJECTIVE: The purpose of this review is to summarize the existing literature on special populations in the pediatric age range and provide recommendations on how to estimate GFR in these populations. FINDINGS: The reliability of creatinine depends on muscle mass, while cystatin C (not widely available) is limited by inflammation and changes in protein catabolism. Various dietary factors can alter eGFR. Renal function in neonates changes drastically every day, and there are currently no satisfactory reference intervals for routine pediatric use. Gender effects and conditions such as wasting disease and obesity require alternative ways to obtain eGFR. In oncology patients, chemotherapy may negatively affect renal function, and nuclear GFR measurements may be necessary. For body builders, high muscle mass may lead to underestimation of eGFR using creatinine. CONCLUSIONS AND RELEVANCE: Clinicians should be aware of special populations that may yield misleading eGFRs with conventional creatinine-based formulae, and that the alternative methods may be more appropriate for some populations. PMID- 29218437 TI - D-lactic acidosis in humans: systematic literature review. AB - BACKGROUND: D-lactic acidosis is an uncommon and challenging form of metabolic acidosis that may develop in short bowel syndrome. It has been documented exclusively in case reports and small case series. METHODS: We performed a review of the literature in the National Library of Medicine and Excerpta Medica databases. RESULTS: We identified 84 original reports published between 1977 and 2017. D-lactic acidosis was observed in 98 individuals ranging in age from 7 months to 86 years with short bowel syndrome. The clinical presentation included Kussmaul breathing, confusion, slurred speech, and gait disturbances. Furthermore, among 99 consecutive patients with short bowel syndrome, 21 reported having episodes with symptoms consistent with D-lactic acidosis. In addition, D lactic acid might also contribute to acidosis in diabetes mellitus. Finally, abnormally high D-lactic acid was documented after administration or ingestion of large amounts of propylene glycol, as paraneoplastic phenomenon and perhaps also in a so far poorly characterized inherited inborn error of metabolism. CONCLUSIONS: In humans with short bowel syndrome (or carbohydrate malabsorption), D-lactic acidosis is likely rather common and under-recognized. This condition should be included in the differential diagnosis of unexplained high-gap metabolic acidosis where the anion causing the acidosis is not known. Furthermore, diabetic acidosis might be caused by accumulation of both ketone bodies and D-lactic acid. Finally, there are endogenous sources of D-lactic acid in subjects with propylene glycol intoxication. PMID- 29218438 TI - Two novel bocaparvovirus species identified in wild Himalayan marmots. AB - Bocaparvovirus (BOV) is a genetically diverse group of DNA viruses and a possible cause of respiratory, enteric, and neurological diseases in humans and animals. Here, two highly divergent BOVs (tentatively named as Himalayan marmot BOV, HMBOV1 and HMBOV2) were identified in the livers and feces of wild Himalayan marmots in China, by viral metagenomic analysis. Five of 300 liver samples from Himalayan marmots were positive for HMBOV1 and five of 99 fecal samples from these animals for HMBOV2. Their nearly complete genome sequences are 4,672 and 4,887 nucleotides long, respectively, with a standard genomic organization and containing protein-coding motifs typical for BOVs. Based on their NS1, NP1, and VP1, HMBOV1 and HMBOV2 are most closely related to porcine BOV SX/1-2 (approximately 77.0%/50.0%, 50.0%/53.0%, and 79.0%/54.0% amino acid identity, respectively). Phylogenetic analysis of these three proteins showed that HMBOV1 and HMBOV2 formed two distinctly independent branches in BOVs. According to these results, HMBOV1 and HMBOV2 are two different novel species in the Bocaparvovirus genus. Their identification expands our knowledge of the genetic diversity and evolution of BOVs. Further studies are needed to investigate their potential pathogenicity and their impact on Himalayan marmots and humans. PMID- 29218439 TI - Characterization and expression of lin-28a involved in lin28/let-7signal pathway during early development of P. olivaceus. AB - Heterochronic lin-28 is a conserved RNA-binding protein that plays a key role in the timing of developmental events in organisms. As a crucial heterochronic gene, the protein controls developmental events of the second of four larval stages in Caenorhabditi elegans. Heterochronic let-7 miRNAs are often present in various species and highly conserved in sequence and biological function and are required for various biological processes. Previous studies showed that ten let-7 miRNAs were identified in the Japanese flounder (Paralichthys olivaceus) and that they were primarily expressed during metamorphosis. In this study, we clone and characterize the lin-28a gene from P. olivaceus and exhibit its dynamic expression pattern at different developmental stages and various adult tissues. The results show that the P. olivaceus lin-28a gene has high sequence similarity with other species and is highly expressed in the embryonic stage but weakly expressed in the larval stage. In addition, lin-28a overexpression causes cell proliferation and significantly promotes the levels of pre-let-7a and pre-let-7d while markedly depressing let-7a and let-7d expression in FEC (Flounder Embryonic Cell), which indicate that lin-28 possibly blocks the maturation of let-7 miRNAs. Additionally, lin-28a is identified as a target gene of let-7 miRNAs, and let-7 miRNAs directly regulate lin-28a expression by targeting its 3' UTR. Taken together, lin-28a along with let-7 miRNA participates in a lin-28/let-7 axis pathway that regulates cell division and timing of embryonic and metamorphic events in P. olivaceus. PMID- 29218441 TI - Correction to: Do habituation, host traits and seasonality have an impact on protist and helminth infections of wild western lowland gorillas? AB - Affiliation of Klara J. Petrzelkova was incorrectly assigned as 2, 9, 10 in the original version of this article when in fact it should have been 3, 9, 10. Correct affiliations are presented here. PMID- 29218440 TI - Biochemical properties of the sensitivity to GABAAergic ligands, Cl-/HCO3--ATPase isolated from fish (Cyprinus carpio) olfactory mucosa and brain. AB - This paper presents a comparative study of the roles of Cl- and HCO3- in the functioning of the GABAAR-associated Cl-/HCO3--ATPase of the plasma membranes of the olfactory sensory neurons (OSNs) and mature brain neurons (MBNs) of fish. The ATPase activity of OSNs and its dephosphorylation were increased twofold by Cl (15-30 mmol l-1), whereas the enzyme from MBNs was not significantly affected by Cl-. By contrast, HCO3-(15-30 mmol l-1) significantly activated the MBN enzyme and its dephosphorylation, but had no effect on the OSN ATPase. The maximum ATPase activity and protein dephosphorylation was observed in the presence of both Cl-(15 mmol l-1)/HCO3-(27 mmol l-1) and these activities were inhibited in the presence of picrotoxin (100 MUmol l-1), bumetanide (150 MUmol l-1), and DIDS (1000 MUmol l-1). SDS-PAGE revealed that ATPases purified from the neuronal membrane have a subunit with molecular mass of ~ 56 kDa that binds [3H]muscimol and [3H]flunitrazepam. Direct phosphorylation of the enzymes in the presence of ATP-gamma-32P and Mg2+, as well as Cl-/HCO3- sensitive dephosphorylation, is also associated with this 56 kDa peptide. Both preparations also showed one subunit with molecular mass 56 kDa that was immunoreactive with GABAAR beta3 subunit. The use of a fluorescent dye for Cl- demonstrated that HCO3-(27 mmol l-1) causes a twofold increase in Cl- influx into proteoliposomes containing reconstituted ATPases from MBNs, but HCO3- had no effect on the reconstituted enzyme from OSNs. These data are the first to demonstrate a differential effect of Cl- and HCO3- in the regulation of the Cl-/HCO3--ATPases functioning in neurons with different specializations. PMID- 29218442 TI - Silver nanoparticle conjugation affects antiacanthamoebic activities of amphotericin B, nystatin, and fluconazole. AB - Infectious diseases are the leading cause of morbidity and mortality, killing more than 15 million people worldwide. This is despite our advances in antimicrobial chemotherapy and supportive care. Nanoparticles offer a promising technology to enhance drug efficacy and formation of effective vehicles for drug delivery. Here, we conjugated amphotericin B, nystatin (macrocyclic polyenes), and fluconazole (azole) with silver nanoparticles. Silver-conjugated drugs were synthesized successfully and characterized by ultraviolet-visible spectrophotometry, Fourier transform infrared spectroscopy, and atomic force microscopy. Conjugated and unconjugated drugs were tested against Acanthamoeba castellanii belonging to the T4 genotype using amoebicidal assay and host cell cytotoxicity assay. Viability assays revealed that silver nanoparticles conjugated with amphotericin B (Amp-AgNPs) and nystatin (Nys-AgNPs) exhibited significant antiamoebic properties compared with drugs alone or AgNPs alone (P < 0.05) as determined by Trypan blue exclusion assay. In contrast, conjugation of fluconazole with AgNPs had limited effect on its antiamoebic properties. Notably, AgNP-coated drugs inhibited amoebae-mediated host cell cytotoxicity as determined by measuring lactate dehydrogenase release. Overall, here we present the development of a new formulation of more effective antiamoebic agents based on AgNPs coated with drugs that hold promise for future applications. PMID- 29218443 TI - Prevalence and associated risk factors of Giardia duodenalis infection among school-going children in Nepal. AB - This study aimed to determine the prevalence of intestinal parasites and its associated risk factors among school-going children in Kathmandu, Nepal. Between August and September 2016, a total of 333 stool samples were collected from children at five public schools. The collected samples were subjected to formol ether concentration, followed by conventional microscopic examination for intestinal parasites. The overall prevalence of intestinal parasites was 24.3% (81/333), with Giardia spp. showing the highest prevalence of 18.9% (63/333). Samples positive for Giardia spp. by microscopy were further subjected to quantitative polymerase chain reaction (qPCR) for G. duodenalis, resulting in a positive ratio of 100%. The positive ratio of Giardia spp. was considerably high among children consuming tanker water (27.3%), jar water (21.0%), and tap water (17.5%). Our results demonstrated that G. duodenalis remains predominant in school-going children in Nepal. PMID- 29218444 TI - Resistance to apoptosis in Leishmania infantum-infected human macrophages: a critical role for anti-apoptotic Bcl-2 protein and cellular IAP1/2. AB - Apoptosis is essential for maintaining tissue homoeostasis in multi-cellular organisms, also occurring as a defence mechanism against a number of infectious agents, such as parasites. Among intracellular protozoan parasites reported to interfere with the apoptotic machinery of the host cell, Leishmania (L.) sp. have been described, although the various species might activate different pathways in their host cells. Since until now it is not yet well clarified the signalling pathway involved in the apoptosis modulation by L. infantum, the aim of this work was to investigate the role of the anti-apoptotic protein, Bcl-2, and the inhibitors of apoptosis IAP1/2 (cIAP1/2) in cell death resistance showed in L. infantum-infected human macrophages. We observed that actinomycin D-induced apoptosis in U-937 cells, evaluated by Annexin V-CY3, DNA fragmentation and caspase-3, caspase-8, caspase-9 activation assays, was inhibited in the presence of L. infantum promastigotes and that, in these conditions, Bcl-2 protein expression resulted significantly upregulated. Interestingly, L. infantum infection in combination with the Bcl-2 inhibitor, ABT-737, significantly increased the apoptotic process in actinomycin D-treated cells, suggesting a role for Bcl-2 in the anti-apoptotic regulation of human macrophages induced by L. infantum infection. Moreover, Western blotting analysis demonstrated not only a significantly upregulation of cIAP1/2 in infected U-937 cells, but also that the inhibition of cIAPs, employing specific siRNAs, restored the apoptotic effect of actinomycin in infected macrophages. These results clearly support the hypothesis that Bcl-2 and cIAPs are strongly involved in the anti-apoptotic action played by L. infantum in human macrophages. PMID- 29218445 TI - Demonstration of Nucleoside Transporter Activity in the Nose-to-Brain Distribution of [18F]Fluorothymidine Using PET Imaging. AB - To evaluate the role of nucleoside transporters in the nose-to-brain uptake of [18F]fluorothymidine (FLT), an equilibrative nucleoside transporter (ENT1,2) and concentrative nucleoside transporter (CNT1-3) substrate, using PET to measure local tissue concentrations. Anesthetized Sprague-Dawley rats were administered FLT by intranasal (IN) instillation or tail-vein injection (IV). NBMPR (nitrobenzylmercaptopurine riboside), an ENT1 inhibitor, was administered either IN or intraperitoneally (IP). Dynamic PET imaging was performed for up to 40 min. A CT was obtained for anatomical co-registration and attenuation correction. Time activity curves (TACs) were generated for the olfactory bulb (OB) and remaining brain, and the area-under-the-curve (AUC) for each TAC was calculated to determine the total tissue exposure of FLT. FLT concentrations were higher in the OB than in the rest of the brain following IN administration. IP administration of NBMPR resulted in increased OB and brain FLT exposure following both IN and IV administration, suggesting that NBMPR decreases the clearance rate of FLT from the brain. When FLT and NBMPR were co-administered IN, there was a decrease in the OB AUC while an increase in the brain AUC was observed. The decrease in OB exposure was likely the result of inhibition of ENT1 uptake activity in the nose to-brain transport pathway. FLT distribution patterns show that nucleoside transporters, including ENT1, play a key role in the distribution of transporter substrates between the nasal cavity and the brain via the OB. PMID- 29218446 TI - Cumulative pregnancy and live birth rates through assisted reproduction in women 44-45 years of age: is there any hope? AB - PURPOSE: The purpose of the study is to calculate the cumulative pregnancy rate and cumulative live birth rate in women undergoing in vitro fertilization (IVF) at ages 44-45. METHODS: The study calculated cumulative live pregnancy rate and cumulative live birth rate of 124 women aged 44 to 45 years old who commenced IVF treatment. MAIN OUTCOME MEASURES: The main outcome measures are cumulative live pregnancy rate and cumulative live birth rate. RESULTS: Cumulative live pregnancy rates following 1, 2, 3, and 4 cycles were 5.6, 11, 17, and 20%, respectively, with no additional pregnancies in further cycles. Cumulative live birth rates following 1, 2, and 3 cycles were 1.6, 3, and 7%, respectively, with no additional live births in further cycles. CONCLUSIONS: The cumulative pregnancy rate rises during the first 4 cycles and cumulative live birth rate rises during the first 3 cycles, with no additional rise in pregnancies or deliveries thereafter, suggesting that it is futile to offer more than 3 cycles of treatment to 44-45-year-old women. PMID- 29218447 TI - Urban climate modifies tree growth in Berlin. AB - Climate, e.g., air temperature and precipitation, differs strongly between urban and peripheral areas, which causes diverse life conditions for trees. In order to compare tree growth, we sampled in total 252 small-leaved lime trees (Tilia cordata Mill) in the city of Berlin along a gradient from the city center to the surroundings. By means of increment cores, we are able to trace back their growth for the last 50 to 100 years. A general growth trend can be shown by comparing recent basal area growth with estimates from extrapolating a growth function that had been fitted with growth data from earlier years. Estimating a linear model, we show that air temperature and precipitation significantly influence tree growth within the last 20 years. Under consideration of housing density, the results reveal that higher air temperature and less precipitation led to higher growth rates in high-dense areas, but not in low-dense areas. In addition, our data reveal a significantly higher variance of the ring width index in areas with medium housing density compared to low housing density, but no temporal trend. Transferring the results to forest stands, climate change is expected to lead to higher tree growth rates. PMID- 29218449 TI - Generic calibration of a simple model of diurnal temperature variations for spatial analysis of accumulated degree-days. AB - Accumulated growing degree-days (aGDD) are widely used to predict phenological stages of plants and insects. It has been shown in the past that the best predictive performance is obtained when aGDD are computed from hourly temperature data. As the latter are not always available, models of diurnal temperature changes are often employed to retrieve the required information from data of daily minimum and maximum temperatures. In this study, we examine the performance of a well-known model of hourly temperature variations in the context of a spatial assessment of aGDD. Specifically, we examine whether a generic calibration of such a temperature model is sufficient to infer in a reliable way spatial patterns of key phenological stages across the complex territory of Switzerland. Temperature data of a relatively small number of meteorological stations is used to obtain a generic model parameterization, which is first compared with site-specific calibrations. We show that, at the local scale, the predictive skill of the generic model does not significantly differ from that of the site-specific models. We then show that for aGDD up to 800 degrees C d (on a base temperature of 10 degrees C), phenological dates predicted with aGDD obtained from estimated hourly temperature data are within +/- 3 days of dates estimated on the basis of observed hourly temperatures. This suggests the generic calibration of hourly temperature models is indeed a valid approach for pre processing temperature data in regional studies of insect and plant phenology. PMID- 29218448 TI - How does spa treatment affect cardiovascular function and vascular endothelium in patients with generalized osteoarthritis? A pilot study through plasma asymmetric di-methyl arginine (ADMA) and L-arginine/ADMA ratio. AB - The study aims to investigate the effect of spa treatment on vascular endothelium and clinical symptoms of generalized osteoarthritis. Forty generalized osteoarthritis (GOA) patients referred to a government spa hospital, and 40 GOA patients followed on university hospital locomotor system disease ambulatory clinics were included as study and control groups, respectively. Study group received spa treatment including thermal water baths, physical therapy modalities, and exercises. Control group was followed with home exercises for 15 days. Plasma ADMA, L-arginine, L-arginine/ADMA ratio, routine blood analyses, 6 min walking test, including fingertip O2 saturation, systolic/diastolic blood pressure, and pulse rate, were measured at the beginning and at the end of treatment. Groups were evaluated with VAS pain, patient, and physician global assessment; HAQ; and WOMAC at the beginning, at the end, and after 1 month of treatment. In study group, L-arginine and L-arginine/ADMA ratio showed statistically significant increase after treatment. Plasma ADMA levels did not change. There is no significant difference in intergroup comparison. Study group displayed statistically significant improvements in all clinical parameters. The study showed that spa treatment does not cause any harm to the vascular endothelium through ADMA. Significant increase in plasma L-arginine and L arginine/ADMA ratio suggests that balneotherapy may play a preventive role on cardiovascular diseases. Balneotherapy provides meaningful improvements on clinical parameters of GOA. PMID- 29218450 TI - Diagnosing and Correcting Mass Accuracy and Signal Intensity Error Due to Initial Ion Position Variations in a MALDI TOFMS. AB - Frustrated by worse than expected error for both peak area and time-of-flight (TOF) in matrix assisted laser desorption ionization (MALDI) experiments using samples prepared by electrospray deposition, it was finally determined that there was a correlation between sample location on the target plate and the measured TOF/peak area. Variations in both TOF and peak area were found to be due to small differences in the initial position of ions formed in the source region of the TOF mass spectrometer. These differences arise largely from misalignment of the instrument sample stage, with a smaller contribution arising from the non-ideal shape of the target plates used. By physically measuring the target plates used and comparing TOF data collected from three different instruments, an estimate of the magnitude and direction of the sample stage misalignment was determined for each of the instruments. A correction method was developed to correct the TOFs and peak areas obtained for a given combination of target plate and instrument. Two correction factors are determined, one by initially collecting spectra from each sample position used and another by using spectra from a single position for each set of samples on a target plate. For TOF and mass values, use of the correction factor reduced the error by a factor of 4, with the relative standard deviation (RSD) of the corrected masses being reduced to 12-24 ppm. For the peak areas, the RSD was reduced from 28% to 16% for samples deposited twice onto two target plates over two days. Graphical Abstract. PMID- 29218451 TI - The Trajectory from Mood to Obesity. AB - PURPOSE OF REVIEW: To describe and explain the relationships between mood disturbances and the development of obesity. RECENT FINDINGS: That depression, anxiety, PTSD, or severe stresses can promote obesity as a side-effect of the drugs used to treat them, or through "carbohydrate craving" to enhance brain serotonin synthesis and alleviate dysphoria by consuming foods that are rich in both carbohydrates and fats. That seasonal affective disorder and severe PMS can independently cause patients to overconsume foods rich in both carbohydrates and fats. The obesity caused by drugs or mood disorders associated with "carbohydrate craving" leading to excess calorie intake can be suppressed by dietary measures. PMID- 29218452 TI - Inhibition of the K+ conductance and Cole-Moore shift of the oncogenic Kv10.1 channel by amiodarone. AB - The ectopic overexpression of the voltage-dependent Eag1 (Kv10.1) K+ channel is associated with the cancerous phenotype in about 70% of human cancers and tumor cell lines. Recent reports showed that, compared with the canonical Shaker related Kv family, Kv10.1 presents unique structural and functional properties. Herein, we report the interaction of the class III anti-arrhythmic compound amiodarone with Kv10.1. Using whole-cell patch clamp, we found that amiodarone inhibits Kv10.1 channel conductance with nanomolar affinity. Additionally, and interestingly, we also report that amiodarone inhibits the characteristic Cole Moore shift of Eag1 channels. Our observations are interpreted considering the structural-functional characteristics of these channels. We conclude that amiodarone possibly binds with high affinity to the voltage sensor module, altering the gating of Kv10.1. PMID- 29218453 TI - Energy depletion and not ROS formation is a crucial step of glucolipotoxicity (GLTx) in pancreatic beta cells. AB - We have shown previously that genetic or pharmacological deletion of KATP channels protect against beta cell dysfunction induced by reactive oxygen species (ROS). Since it is assumed that glucolipotoxicity (GLTx) causes ROS production, we aimed to evaluate whether suppression of KATP channel activity can also prevent beta cell damage evoked by GLTx. We used an in vitro model of GLTx and measured distinct parameters of stimulus-secretion coupling. GLTx gradually induced disturbances of Ca2+ oscillations over 3 days. This impairment in Ca2+ dynamics was partially reversed in beta cells without functional KATP channels (SUR1-/-) and by the sulfonylurea gliclazide but not by tolbutamide. By contrast, the GLTx-induced suppression of glucose-induced insulin secretion could not be rescued by decreased KATP channel activity pointing to a direct interaction of GLTx with the secretory capacity. Accordingly, GLTx also suppressed KCl-induced insulin secretion. GLTx was not accompanied by decisively increased ROS production or enhanced apoptosis. Insulin content of beta cells was markedly reduced by GLTx, an effect not prevented by gliclazide. Since GLTx markedly diminished the mitochondrial membrane potential and cellular ATP content, lack of ATP is assumed to decrease insulin biosynthesis. The deleterious effect of GLTx is therefore caused by direct interference with the secretory capacity whereby reduction of insulin content is one important parameter. These findings deepen our understanding how GLTx damages beta cells and reveal that GLTx is disconnected from ROS formation, a notion important for targeting beta cells in the treatment of diabetes. Overall, GLTx-induced energy depletion may be a primary step in the cascade of events leading to loss of beta cell function in type-2 diabetes mellitus. PMID- 29218454 TI - The extraordinary AFD thermosensor of C. elegans. AB - The nematode C. elegans exhibits complex thermal experience-dependent navigation behaviors in response to environmental temperature changes of as little as 0.01 degrees C over a > 10 degrees C temperature range. The remarkable thermosensory abilities of this animal are mediated primarily via the single pair of AFD sensory neurons in its head. In this review, we describe the contributions of AFD to thermosensory behaviors and temperature-dependent regulation of organismal physiology. We also discuss the mechanisms that enable this neuron type to adapt to recent temperature experience and to exhibit extraordinary thermosensitivity over a wide dynamic range. PMID- 29218455 TI - The primary cilium - once a "rudimentary" organelle that is now a ubiquitous sensory cellular structure involved in many pathological disorders. AB - This article looks mostly at the steps that have led to the primary cilium finding its place in our understanding of cell biology, developmental biology, and medical syndromes due to its aberrations. It is a personal account that stresses, if nothing else, the value of the adage "stick to your guns". My obsession with this organelle, following on from fascination with the centriole, has led to a whole career devoted to determining the nature and role of primary cilia in basic cell biology, which has proved much more important than had been appreciated for almost a century. They are heavily involved in very many aspects of cell physiology that have much wider implications with regard to human biology and probably throughout the animal kingdom. That aberrations, to the surprise of many researchers in their structure or functioning has led to their being implicated or perhaps deeply involved in an extraordinary range of medical conditions. This invitation allows me to raise crucial questions that need answers regarding the regulation of their genesis, their cache of both intracellular and extracellular signal, and their association with a multitude of development processes from embryo to adult status. PMID- 29218456 TI - Assessment of TANK-binding kinase 1 as a therapeutic target in cancer. AB - TANK-binding kinase 1 (TBK1) is central to multiple biological processes that promote tumorigenesis including cell division, autophagy, innate immune response and AKT-pro survival signaling. TBK1 is well studied and most known for its function in innate immunity. However, the serine threonine protein kinase received significant attention as a synthetic lethal partner and effector of the major oncogene, RAS. This review summarizes newly identified cancer promoting functions of TBK1 and evaluates the therapeutic potential of targeting TBK1 in cancer. PMID- 29218457 TI - Phenotypical change of tumor-associated macrophages in metastatic lesions of clear cell renal cell carcinoma. AB - Macrophages are the main immune cells of the tumor microenvironment in clear cell renal cell carcinoma (ccRCC). A high density of CD163+ or CD204+ tumor-associated macrophages (TAMs), rather than the density of total TAMs, is known to be linked to poor clinical outcome. In the present study, we investigated the phenotypical differences between the paired primary and metastatic lesions in ccRCC cases. Using immunostaining, the densities of CD163+ and CD204+ TAMs in metastatic lesions were found to be significantly lower compared to primary lesions, although the total number of TAMs was increased in metastatic lesions. Since CD163 and CD204 are considered to be the markers of an M2/protumor phenotype in macrophages, TAMs in metastatic lesions are suggested to have a greater M1/inflammatory function compared with those from primary lesions. These findings give new insights in regard to the immunological status of metastatic lesions of ccRCC. PMID- 29218458 TI - Evaluation of amyloid status in a cohort of elderly individuals with memory complaints: validation of the method of quantification and determination of positivity thresholds. AB - OBJECTIVE: Our aim is to validate the process steps implemented by the French CATI platform to assess amyloid status, obtained from 18F-Florbetapir PET scans, in a cohort of 318 cognitively normal subjects participating in the INSIGHT-preAD study. Our objective was to develop a method with partial volume effect correction (PVEC) on untransformed PET images, using an automated pipeline ("RACHEL") adapted to large series of patients and including quality checks of results. METHODS: We compared RACHEL using different options (with and without PVEC, different sets of regions of interest), to two other methods validated in the literature, referred as the "AVID" and "CAEN" methods. A standard uptake value ratio (SUVR) was obtained with the different methods for participants to another French study, IMAP, including 26 normal elderly controls (NEC), 11 patients with mild cognitive impairment (MCI) and 16 patients with Alzheimer's disease (AD). We determined two cutoffs for RACHEL method by linear correlation with the other methods and applied them to the INSIGHT-preAD subjects. RESULTS: RACHEL including PVEC and a combination of the whole cerebellum and the pons as a reference region allowed the best discrimination between NEC and AD participants. A strong linear correlation was found between RACHEL and the other two methods and yielded the two cutoffs of 0.79 and 0.88. According to the more conservative threshold, 19.8% of the INSIGHT-preAD subjects would be considered amyloid positive, and 27.7% according to the more liberal threshold. CONCLUSIONS: With our method, we clearly discriminated between NEC with negative amyloid status and patients with clinical AD. Using a linear correlation with other validated cutoffs, we could infer our own positivity thresholds and apply them to an independent population. This method might be useful to the community, especially when the optimal cutoff could not be obtained from a population of healthy young adults or from correlation with post-mortem results. PMID- 29218459 TI - Discordance between mass spectrometry and immunometric IGF-1 assay in pituitary disease: a prospective study. AB - PURPOSE: Measuring IGF-1, a biomarker for GH activity, is critical to evaluating disordered hypothalamic-pituitary GH axis. Inconsistent IGF-1 measurements among different immunoassays are well documented. We switched from Immulite 2000 immunoassay to narrow-mass-extraction, high-resolution liquid chromatography mass spectrometry (LC-MS) compliant with recent consensus recommendations on assay standardization. Comparability of these two assays in patients with pituitary disease in a clinical practice setting is not known. We sought to compare IGF-1 levels on Immulite 2000 and LC-MS in samples from naive and treated patients with secretory and non-secretory pituitary masses. METHODS: We prospectively collected serum samples from 101 patients treated at the Cedars-Sinai Pituitary Center between February 2012 and March 2014. We intentionally recruited more patients with acromegaly or GH deficiency to ensure a clinically representative cohort. Samples were classified as in or out of the respective reference ranges. Bland Altman analysis was used to assess agreement between assays. RESULTS: Twenty-four percent of samples were classified differently as below, in, or above range. Agreement between the assays was poor overall, with a significant bias for immunoassay reporting higher values than LC-MS. This pattern was also observed in patients with acromegaly and those with >= 2 pituitary hormone deficiencies. CONCLUSIONS: IGF-1 results may differ after switching from an older immunoassay to a consensus-compliant assay such as LC-MS. Clinicians should consider the potential impact of assay switching before altering treatment due to discrepant results, particularly in patients monitored over time, such as those with acromegaly and GH deficiency. PMID- 29218460 TI - A Novel Adaptive Deformable Model for Automated Optic Disc and Cup Segmentation to Aid Glaucoma Diagnosis. AB - This paper proposes a novel Adaptive Region-based Edge Smoothing Model (ARESM) for automatic boundary detection of optic disc and cup to aid automatic glaucoma diagnosis. The novelty of our approach consists of two aspects: 1) automatic detection of initial optimum object boundary based on a Region Classification Model (RCM) in a pixel-level multidimensional feature space; 2) an Adaptive Edge Smoothing Update model (AESU) of contour points (e.g. misclassified or irregular points) based on iterative force field calculations with contours obtained from the RCM by minimising energy function (an approach that does not require predefined geometric templates to guide auto-segmentation). Such an approach provides robustness in capturing a range of variations and shapes. We have conducted a comprehensive comparison between our approach and the state-of-the art existing deformable models and validated it with publicly available datasets. The experimental evaluation shows that the proposed approach significantly outperforms existing methods. The generality of the proposed approach will enable segmentation and detection of other object boundaries and provide added value in the field of medical image processing and analysis. PMID- 29218461 TI - Triphasic mitral inflow pattern associated with hemodynamic deterioration in anemia or mitral regurgitation: a report of two cases. AB - We present two cases with a mid-diastolic mitral inflow peak called an "L wave" due to underlying diseases. Case 1 was an 81-year-old woman with severe anemia (hemoglobin level of 3.9 g/dL). Pulsed Doppler echocardiography showed an L wave that disappeared after transfusion of red cell concentrates. Case 2 was a 72-year old woman with severe mitral regurgitation due to ruptured chordae tendineae. Pulsed Doppler echocardiography showed an L wave that disappeared after mitral valve repair. The present report suggests that both severe anemia and mitral regurgitation might have contributed to L wave formation, which suggests hemodynamic deterioration. PMID- 29218462 TI - A single institution experience with palbociclib toxicity requiring dose modifications. AB - PURPOSE: Since the widespread implementation of adding palbociclib to endocrine therapy in clinical practice, myelosuppression is becoming increasingly recognized as a toxicity that may lead to dose modification. We aimed to characterize toxicities observed with palbociclib resulting in dose modifications and prescriber preferences in modifying palbociclib dosage in response to treatment-related toxicities outside the context of a clinical trial. METHODS: We conducted a single institution, retrospective study of treatment-related adverse events (AEs) resulting in modifications in dose and schedule and the methods by which dose modifications occurred in patients with advanced hormone receptor (HR) positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer receiving palbociclib and endocrine therapy. RESULTS: From 2/2015 to 10/2016, 100 patients were identified for inclusion in this study. Treatment with palbociclib and endocrine therapy resulted in dose modifications in 38.0% of patients due to AEs with 18.4% requiring subsequent dose changes. Most palbociclib dose modifications occurred during the first 2 cycles. Grade 3-4 neutropenia accounted for 54.8% events of palbociclib dose modification. Most providers (65.8%) dose reduced palbociclib from 125 mg to 100 mg as their preferred method of dose modification, while others dose reduced from 125 mg to 75 mg (10.5%) and altered the schedule to 125 mg every other day (7.9%). A comparable rate of palbociclib dose modifications and subsequent dose changes were identified in an age >= 65 subgroup. In this group, dose adjustments were most commonly from grade 3-4 neutropenia, occurred mainly during cycle 1, and were most frequently addressed by dose reduction from 125 to 100 mg. CONCLUSIONS: Neutropenia remains the predominant cause for palbociclib dose modification and most modifications occur within the first two cycles. Older age (>= 65) does not affect palbociclib tolerance. Our findings provide context outside of a clinical trial that inform ongoing studies evaluating the safety and feasibility of palbociclib-based therapies. PMID- 29218464 TI - Microalgae Lipid Staining with Fluorescent BODIPY Dye. AB - The staining of lipids in algae cells with BODIPY dyes is much less studied compared to Nile red; therefore, a complex of issues concerning staining details and fluorescence measurements still should be clarified for the species that vary in cell wall complexity. Nevertheless, some general guidelines could be given, and a preliminary protocol of the method is provided based on the existing data. The semiquantification of lipid could be reliable if the staining protocol will be developed and adapted for particular microalgae species. PMID- 29218463 TI - One-two punch mechanism of gene repression: a fresh perspective on gene regulation. AB - Cellular differentiation depends on temporally controlled waves of gene activation and inactivation that ultimately transform one cell type into another. It is well established that transcription factor cascades coordinate the timely activation of gene expression clusters during development. In comparison, much less is understood about how gene repression events are coordinated with the transcription factor-driven waves of gene activation and how this repression is achieved at a mechanistic level. Using budding yeast as a model, we recently discovered a new gene regulatory event, whereby a central meiotic transcription factor induces the expression of an mRNA isoform to repress gene expression through an integrated transcriptional and translational mechanism. This new model could explain how gene activation and inactivation waves can be temporally coordinated. In this review, we discuss our findings and their potential implications. PMID- 29218465 TI - Long-Term Survival of Recurrent Intrahepatic Cholangiocarcinoma: The Impact and Selection of Repeat Surgery. AB - BACKGROUND: Definitive guidelines for recurrent intrahepatic cholangiocarcinoma (ICC) do not exist. This study has focused on the repeat surgery when analyzing the survival outcomes of recurrent ICC. We evaluated the relationship between clinicopathological features of the primary tumor and implementation of the repeat surgery to identify its potential selection criteria. METHODS: A total of 108 patients with recurrent ICC between 1993 and 2015 were analyzed. Of these, 15 patients underwent repeat surgery and 93 did not. RESULTS: Seven out of 29 patients with intrahepatic recurrence and eight out of 44 patients with extrahepatic recurrence were amenable to the repeat surgery. Thirty-five patients with simultaneous or consequent intrahepatic recurrence and extrahepatic recurrence were not amenable to the repeat surgery. Patients who underwent repeat surgery had a lower proportion of lymph node metastases (n = 0 [0%] vs. n = 47 [50.5%], p < 0.001), multiple tumors in the primary tumor (n = 1 [6.7%] vs. n = 31 [33.3%], p = 0.037), or early recurrence (<= 1 year; n = 4 [26.7%] vs. n = 62 [66.7%], p = 0.003). Survival after recurrence (SAR) was better in patients who underwent repeat surgery than in those who did not (median SAR time: 91.6 vs. 10.4 months, and 3-year survival: 86.7 vs. 8.7%, respectively, p < 0.001). CONCLUSIONS: Repeat surgery for recurrent ICC with an appropriate selection can be associated with prolonged survival. Regarding the feasibility, nodal status, number of tumors on the primary tumor, and time to recurrence may be considered as selection criteria. PMID- 29218466 TI - Acute herpes zoster and post herpetic neuralgia in primary care: a study of diagnosis, treatment and cost. AB - Acute herpes zoster and its complication post herpetic neuralgia represent a significant challenge to primary care physicians in their care of an ageing population of patients. This was a cross-sectional observational study by means of a quantitative survey of 1,000 general practitioners registered in Ireland exploring the frequency of diagnosis, methods of treatment and cost of AHZ and PHN in primary care. We recorded an 18% response rate (n = 184) with an 83% completion rate (n = 152/184). 80% of cases of AHZ occurred in patients aged 50 years or more with 81% of study participants encountering cases at a rate of 1-3 patients per month. Famciclovir (37%) and valaciclovir (36%) were the most commonly prescribed antiviral agents. Mild opioids (32%) were the most common analgesic agents used for first line AHZ pain, and pregabalin (37%) the most commonly prescribed analgesic agent for second line AHZ pain. Pregabalin was also the most commonly prescribed analgesic for both first and second line PHN pain (29% and 24%, respectively). The mean per-case direct cost (medication and GP visits) of treating AHZ and PHN in primary care was ?195 (range ?153-?236) and ?201 (range ?140-?313), respectively. Based on national sentinel data the estimated annual direct costs of treating AHZ and PHN in primary care is ?2,278,196 (range ?1,793,399-?2, 763,445). The treatment of AHZ and PHN represents both a significant care and cost burden on primary care resources in Ireland in keeping with other European based studies. PMID- 29218467 TI - Antibiotic prescription and clinical management of common infections among general practitioners in Latvia, Lithuania, and Sweden: a pilot survey with a simple protocol. AB - Comparative information on diagnosis-related antibiotic prescribing patterns are scarce from primary care within and between countries. To describe and compare antibiotic prescription and routine management of infections in primary care in Latvia (LV), Lithuania (LT) and two study sites in Sweden (SE), a cross-sectional observational study on patients who consulted due to sypmtoms compatible with infection was undetraken. Infection and treatment was detected and recorded by physicians only. Data was collected from altogether 8786 consecutive patients with infections in the three countries. Although the overall proportion of patients receiving an antibiotic prescription was similar in all three countries (LV and LT 42%, SE 38%), there were differences in the rate of prescription between the countries depending on the respective diagnoses. While penicillins dominated among prescriptions (LV 58%, LT 67%, SE 70%), phenoxymethylpenicillin was most commonly prescribed in Sweden (57% of all penicillins), while it was amoxicillin with or without clavulanic acid in Latvia (99%) and Lithuania (85%) respectively. Pivmecillinam and flucloxacillin, which accounted for 29% of penicillins in Sweden, were available neither in Latvia nor in Lithuania. The applied methodology was simple, and provided useful information on differences in treatment of common infections in ambulatory care in the absence of available computerized diagnosis-prescription data. Despite some limitations, the method can be used for assessment of intention to treat and compliance to treatment guidelines and benchmarking locally, nationally, or internationally, just as the point prevalence surveys (PPS) protocols have been used in hospitals all over Europe. PMID- 29218468 TI - Prediction of unfavorable outcomes in cryptococcal meningitis: results of the multicenter Infectious Diseases International Research Initiative (ID-IRI) cryptococcal meningitis study. AB - Cryptococcal meningitis (CM) is mostly seen in immunocompromised patients, particularly human immunodeficiency virus (HIV)-positive patients, but CM may also occur in apparently immunocompetent individuals. Outcome analyses have been performed in such patients but, due to the high prevalence of HIV infection worldwide, CM patients today may be admitted to hospitals with unknown HIV status, particularly in underdeveloped countries. The objective of this multicenter study was to analyze all types of CM cases in an aggregate cohort to disclose unfavorable outcomes. We retrospectively reviewed the hospitalized CM patients from 2000 to 2015 in 26 medical centers from 11 countries. Demographics, clinical, microbiological, radiological, therapeutic data, and outcomes were included. Death, neurological sequelae, or relapse were unfavorable outcomes. Seventy (43.8%) out of 160 study cases were identified as unfavorable and 104 (65%) were HIV infected. On multivariate analysis, the higher Glasgow Coma Scale (GCS) scores (p = 0.021), cerebrospinal fluid (CSF) leukocyte counts > 20 (p = 0.038), and higher CSF glucose levels (p = 0.048) were associated with favorable outcomes. On the other hand, malignancy (p = 0.026) was associated with poor outcomes. Although all CM patients require prompt and rational fungal management, those with significant risks for poor outcomes need to be closely monitored. PMID- 29218469 TI - Discrimination of Schisandrae Chinensis Fructus and Schisandrae Sphenantherae Fructus based on fingerprint profiles of hydrophilic components by high performance liquid chromatography with ultraviolet detection. AB - High-performance liquid chromatography with ultraviolet detection (HPLC-UV) using 20 mM phosphate mobile phase and an octadecylsilyl column (Triart C18, 150 * 3.0 mm i.d., 3 MUm) has been developed for the analysis of hydrophilic compounds in the water extract of Schisandrae Fructus samples. The present HPLC-UV method permits the accurate and precise determination of malic, citric, and protocatechuic acids in the Japanese Pharmacopoeia (JP) Schisandrae Fructus, Schisandrae Chinensis Fructus and Schisandrae Sphenantherae Fructus. The JP Schisandrae Fructus studied contains 27.98 mg/g malic, 107.08 mg/g citric, and 0.42 mg/g protocatechuic acids, with a relative standard deviation (RSD) of repeatability of <0.9% (n = 6). The content of malic acids in Schisandrae Chinensis Fructus is approximately ten times that in Schisandrae Sphenantherae Fructus. To examine whether the HPLC-UV method is applicable to the fingerprint based discrimination of Schisandrae Fructus samples obtained from Chinese markets, principal component analysis (PCA) was performed using the determined contents of organic acids and the ratio of six characteristic unknown peaks derived from hydrophilic components to internal standard peak areas. On the score plots, Schisandrae Chinensis Fructus and Schisandrae Sphenantherae Fructus samples are clearly discriminated. Therefore, the HPLC-UV method for the analysis of hydrophilic components coupled with PCA has been shown to be practical and useful in the quality control of Schisandrae Fructus. PMID- 29218470 TI - The Maximal Oxygen Uptake Verification Phase: a Light at the End of the Tunnel? AB - Commonly performed during an incremental test to exhaustion, maximal oxygen uptake (VO2max) assessment has become a recurring practice in clinical and experimental settings. To validate the test, several criteria were proposed. In this context, the plateau in oxygen uptake (VO2) is inconsistent in its frequency, reducing its usefulness as a robust method to determine "true" VO2max. Moreover, secondary criteria previously suggested, such as expiratory exchange ratios or percentages of maximal heart rate, are highly dependent on protocol design and often are achieved at VO2 percentages well below VO2max. Thus, an alternative method termed verification phase was proposed. Currently, it is clear that the verification phase can be a practical and sensitive method to confirm VO2max; however, procedures to conduct it are not standardized across the literature and no previous research tried to summarize how it has been employed. Therefore, in this review the knowledge on the verification phase was updated, while suggestions on how it can be performed (e.g. intensity, duration, recovery) were provided according to population and protocol design. Future studies should focus to identify a verification protocol feasible for different populations and to compare square-wave and multistage verification phases. Additionally, studies assessing verification phases in different patient populations are still warranted. PMID- 29218471 TI - Rural environment study for water from different sources in cluster of villages in Mehsana district of Gujarat. AB - Water pollution and water scarcity are major environmental issues in rural and urban areas. They lead to decline in the quality of water, especially drinking water. Proper qualitative assessment of water is thus necessary to ensure that the water consumed is potable. This study aims to analyze the physicochemical parameters in different sources of water in rural areas and assess the quality of water through a classification system based on BIS and CPCB standards. The classification method has defined water quality in six categories, viz., A, B, C, D, E, and F depending on the levels of physicochemical parameters in the water samples. The proposed classification system was applied to nine villages in Kadi Taluka, Mehsana district of Gujarat. The water samples were collected from borewells, lakes, Narmada Canal, and sewerage systems and were analyzed as per APHA and IS methods. It was observed that most of the physicochemical parameters of Narmada Canal and borewell water fell under class A, thus making them most suitable for drinking. Further, a health camp conducted at Karannagar village, Mehsana revealed no incidents of any waterborne diseases. However, there were certain incidents of kidney stones and joint pain in few villages due to high levels of TDS. Toxic metal analysis in all the water sources revealed low to undetectable concentration of toxic metals such as lead, arsenic, mercury, and cadmium in all the water sources. It is also recommended that the regular treatment of the Narmada Canal water be continued to maintain its excellent quality. PMID- 29218472 TI - Correction to: Quantifying and understanding carbon storage and sequestration within the Eastern Arc Mountains of Tanzania, a tropical biodiversity hotspot. AB - Upon publication of the original article [1], the authors noticed that the figure labelling for Fig. 4 in the online version was processed wrong. The top left panel should be panel a, with the panels to its right being b and c. d and e should be the panels on the lower row, and f is correct. The graphs themselves are all correct. It is simply the letter labels that are wrong. PMID- 29218473 TI - The Bidirectional, Absorbable, No-Drain Abdominoplasty. AB - This article outlines the author's technique, and the concepts of Bidirectional, Absorbable, No-Drain Abdominoplasty (BAND-Abdominoplasty). The attendant advantages and disadvantages are reviewed in the context of a retrospective, 5 year, single surgeon series. Level of Evidence IV This journal requires that authors assign a level of evidence to each article. For a full description of these evidence-based medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29218474 TI - Superomedial Pedicle Vertical Scar Breast Reduction: Objective and Subjective Assessment of Breast Symmetry and Aesthetics. AB - BACKGROUND: The superomedial vertical scar breast reduction (SVBR) described by Hall-Findlay is gaining popularity among surgeons worldwide. The aim of this study was to evaluate its long-term aesthetic outcome, the extent of quality of life improvement and the factors that influence patient satisfaction and reviewers' evaluation of aesthetic/surgical outcome. METHODS: In this historical prospective study, we included women who underwent SVBR at least one year prior to enrollment and responded to a quality of life questionnaire. Their breasts were photographed, measured and evaluated by the plastic surgery staff. RESULTS: A total of 40 patients responded to the questionnaire, and the breasts of 31 of them were measured and photographed. All 31 patients had good breast symmetry according to objective breast measurements. There was a clear correlation between the patients' and the reviewers' scores of breast symmetry, scar appearance and breast shape (r = 0.4-0.65, r = 0.432-0.495 and r = 0.335-0.403, respectively). The factor that most influenced reviewers' and patients' satisfaction with the overall aesthetic outcome was the breast-to-body proportion. CONCLUSIONS: The proportions between the breast size and the patient's body habitus are pivotal to patient satisfaction and should be taken into consideration when planning a reduction mammaplasty. The SVBR technique for breast reduction provided good cosmetic outcome and symmetry over a long-term follow-up. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29218475 TI - Transdermal Patch of Glyceryl Trinitrate to Enhance Survival of Random Pattern Skin Flaps. PMID- 29218476 TI - Google Trends as a Resource for Informing Plastic Surgery Marketing Decisions. AB - BACKGROUND: Celebrities have long influenced the medical decisions of the general population. By analyzing Google search data using Google Trends, we measured the impact of highly publicized plastic surgery-related events on the interest level of the general population in specific search terms. Additionally, we investigated seasonal and geographic trends around interest in rhinoplasties, which is information that physicians and small surgical centers can use to optimize marketing decisions. METHODS: Google Trends was used to access search data histories for three separate areas of interest: Kylie Jenner and lip fillers, Joan Rivers and plastic surgery, and rhinoplasty, which were then analyzed using two-tailed, two-sample equal variance t-tests. RESULTS: The average interest level in fillers increased by 30.31 points after Kylie Jenner announced that she received Juvederm lip injections. The interest level in plastic surgery was decreased by 21.3% the month after Joan Rivers' death. Between January 2004 and May 2017, the average interest level for rhinoplasty was significantly different in January/December (67.91 +/- 20.68) and June/July (70.12 +/- 18.89) from the remaining calendar months (63.58 +/- 19.67). Los Angeles, New York City, and Miami showed consistently high interest levels throughout the time period, while Tulsa, OK, showed a major interest increase between 2015 to 2016 of 65 points. CONCLUSIONS: A noticeable impact was observed in both celebrity cases on search term volume, and a seasonal effect is apparent for rhinoplasty searches. As many surgeons already employ aggressive Internet marketing strategies, understanding and utilizing these trends could help optimize their investments, increase social engagement, and increase practice awareness by potential patients. LEVEL OF EVIDENCE V: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29218477 TI - Safety and Efficacy of Facial Fat Grafting Under Local Anesthesia. AB - BACKGROUND: Facial fat grafting under local anesthesia has been widely performed in outpatient departments and private settings in China. The present study aimed to evaluate the safety and efficacy of facial fat grafting under local anesthesia. METHOD: A retrospective study was conducted on 155 patients who underwent facial fat grafting. The clinical data were recorded. Preoperative and postoperative two-dimensional images were acquired to evaluate the effect of facial fat grafting on refining facial contouring, rejuvenation as well as deformity reconstruction. The complications were recorded to assess the safety of the approach. RESULT: All the facial fat grafting procedures were performed successfully under local anesthesia. A majority of the patients who underwent one or more sessions of facial fat grafting under local anesthesia were satisfied with the cosmetic results. No severe complications occurred in these patients. CONCLUSIONS: In the present study, remarkable and natural improvements of facial contouring, rejuvenation as well as deformity reconstruction were achieved with facial fat grafting in most patients. Thus, the procedures performed under local anesthesia by experienced surgeons are safe. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29218478 TI - The Rejuvenating Effect and Tolerability of an Auto-Cross-Linked Hyaluronic Acid on Decolletage: A Pilot Prospective Study. AB - BACKGROUND: A novel auto-cross-linked hyaluronic acid formulation (HA-ACP) has been proposed as a treatment for skin rejuvenation. This prospective pilot study aims to assess its tolerability and performance in the treatment of skin aging of the decolletage. METHODS: Fifteen women (mean age 49.0 +/- 8.0 (range 30-65)) who complained about the appearance of their decolletage were prospectively enrolled and treated with three sets of HA-ACP (IAL-SYSTEM ACP(r)) intradermal injections, administered three weeks apart. Control visits followed at 80 and 120 days from enrollment. The rejuvenating effect was assessed using the Beagley Gibson and Fabi-Bolton scores. The investigators and the subjects also subjectively assessed skin appearance using a 1-10 scale. The rejuvenating effect and its persistence were assessed comparing the scores collected at the different experimental times by means of Wilcoxon rank tests. Adverse events and their duration were recorded and compared to those reported in the literature. RESULTS: The HA-ACP formulation provided a significant improvement according to the Beagley-Gibson score (p < 0.005) at all time points. At the 120-day follow-up, the Fabi-Bolton score was significantly improved with respect to baseline (p < 0.05). The rejuvenating effect persisted unaltered between the 80-day and the 120 day visits. At the 120-day visit, the subjects' and investigators' subjective scores were between 8 and 10 in most cases. No unexpected adverse effects were observed. All adverse effects were well tolerated and disappeared over a short period. CONCLUSIONS: The HA-ACP treatment under investigation is safe, well tolerated, and provides effective and long-lasting decolletage rejuvenation. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 . PMID- 29218479 TI - Robert M. Oneal and Lauralee A. Lutz: Leaders in Plastic Surgery (The Dingman Grabb Era 1946-1986). PMID- 29218480 TI - Discussion: Augmentation mastopexy with a dermal encapsulated round or anatomic autoprosthesis. PMID- 29218482 TI - A novel muscle-sparing high thoracotomy for upper thoracic spine resection and reconstruction. AB - PURPOSE: High thoracotomy allows access to the anterior cervicothoracic and upper thoracic vertebrae; however, traditional techniques transect shoulder girdle muscles, leading to postoperative shoulder dysfunction. Muscle-sparing techniques diminish this concern, but often sacrifice the quality of exposure. We describe a novel muscle-sparing, high thoracotomy approach for the treatment of ventral cervicothoracic and upper thoracic spine lesions. METHODS: A novel muscle sparing, high thoracotomy approach is described, utilizing a midline posterior incision with lateral extension from the lateral decubitus position. Five patients are presented to illustrate the application of this technique in thoracic tumors with intimate spinal involvement. RESULTS: The muscle-sparing, high thoracotomy approach afforded gross total resection and spinal reconstruction in five consecutive patients, including stage IV lung carcinoma with invasion of the T5 and T6 vertebral bodies, two malignant fibrous histiocytomas causing thoracic cord compression, a metastatic T6 lesion of unknown primary with associated cord compression; and a Pancoast tumor. All patients seen at 6 months had full symmetric shoulder range of motion postoperatively. CONCLUSIONS: The described muscle-sparing, high thoracotomy approach provides excellent exposure of the ventral cervicothoracic and upper thoracic spine without the morbidity associated with the transection of shoulder girdle muscle bellies. This technique is particularly useful in patients with primary malignant bone tumors requiring en bloc excision and metastatic tumors with large soft tissue components. PMID- 29218481 TI - Concepts for a therapeutic prolongation of nephrogenesis in preterm and low-birth weight babies must correspond to structural-functional properties in the nephrogenic zone. AB - Numerous investigations are dealing with anlage of the mammalian kidney and primary development of nephrons. However, only few information is available about the last steps in kidney development leading at birth to a downregulation of morphogen activity in the nephrogenic zone and to a loss of stem cell niches aligned beyond the organ capsule. Surprisingly, these natural changes in the developmental program display similarities to processes occurring in the kidneys of preterm and low-birth-weight babies. Although those babies are born at a time with a principally intact nephrogenic zone and active niches, a high proportion of them suffers on impairment of nephrogenesis resulting in oligonephropathy, formation of atypical glomeruli, and immaturity of parenchyma. The setting points out that up to date not identified noxae in the nephrogenic zone hamper primary steps of parenchyma development. In this situation, a possible therapeutic aim is to prolong nephrogenesis by medications. However, actual data provide information that administration of drugs is problematic due to an unexpectedly complex microanatomy of the nephrogenic zone, in niches so far not considered textured extracellular matrix and peculiar contacts between mesenchymal cell projections and epithelial stem cells via tunneling nanotubes. Thus, it remains to be figured out whether disturbance of morphogen signaling altered synthesis of extracellular matrix, disturbed cell-to-cell contacts, or modified interstitial fluid impair nephrogenic activity. Due to most unanswered questions, search for eligible drugs prolonging nephrogenesis and their reliable administration is a special challenge for the future. PMID- 29218483 TI - Asymmetrical trunk movement during walking improved to normal range at 3 months after corrective posterior spinal fusion in adolescent idiopathic scoliosis. AB - PURPOSE: To investigate the effects of posterior spinal fusion (PSF) and curve type on upper body movements in Adolescent Idiopathic Scoliosis (AIS) patients during gait. METHODS: Twenty-four girls (12-18 years) with AIS underwent PSF. 3D Gait-analyses were performed preoperatively, at 3 months and 1 year postoperatively. Mean position (0 degrees represents symmetry) and range of motion (ROM) of the trunk (thorax-relative-to-pelvis) in all planes were assessed. Lower body kinematics and spatiotemporal parameters were also evaluated. RESULTS: Mean trunk position improved from 7.0 degrees to 2.9 degrees in transversal plane and from 5.0 degrees to - 0.8 degrees in frontal plane at 3 months postoperative (p < 0.001), and was maintained at 1 year. Trunk ROM in transverse plane decreased from 9.6 degrees to 7.5 degrees (p < 0.001) after surgery. No effects of PSF were observed on the lower body kinematics during the gait cycle. Patients with a double curve had a more axial rotated trunk before and after surgery (p = 0.013). CONCLUSION: In AIS patients, during gait an evident asymmetrical position of the trunk improved to an almost symmetric situation already 3 months after PSF and was maintained at 1 year. Despite a reduction of trunk ROM, patients were able to maintain the same walking pattern in the lower extremities after surgery. This improvement of symmetry and maintenance of normal gait can explain the rapid recovery and well functioning in daily life of AIS patients, despite undergoing a fusion of large parts of their spine. PMID- 29218484 TI - A Prospective Multicenter Study of a Fully Covered Metal Stent in Patients with Distal Malignant Biliary Obstruction: WATCH-2 Study. AB - BACKGROUND: Both fully covered (FC) and partially covered (PC) self-expandable metal stents (SEMSs) are now commercially available for distal malignant biliary obstruction (MBO). While FCSEMS can be easily removed at the time of re interventions, it is theoretically prone to migration. However, few comparative data between FC and PC SEMSs have been reported. AIMS: The aim of this study was to compare clinical outcomes of FCSEMS with those of PCSEMS. METHODS: This was a multicenter, prospective study of FCSEMS for unresectable distal MBO with a historical control of PCSEMS, which was previously reported as the WATCH study. The primary outcome was recurrent biliary obstruction (RBO), and secondary outcomes were stent migration, stent removal, stent-related adverse events, and survival. RESULTS: A total of 151 cases with unresectable distal MBO undergoing FCSEMS placement were enrolled and compared with a historical cohort of 141 cases undergoing PCSEMS placement. No significant differences were found in the rate of RBO (29 vs. 33%; P = 0.451), time to RBO (318 vs. 373 days; P = 0.382), and survival (229 vs. 196 days; P = 0.177) between FCSEMS and PCSEMS. The rate of stent migration also did not differ significantly between the two groups (14 vs. 8%; P = 0.113). The removal of FCSEMSs was successful in all 24 attempted cases (100%). CONCLUSIONS: FCSEMSs appeared comparable to PCSEMSs in terms of RBO without a significant increase in stent migration rate in patients with unresectable distal MBO. CLINICAL TRIAL REGISTRATION NUMBER: UMIN000007131. PMID- 29218486 TI - Interaction study between HCV NS5A-D2 and NS5B using 19F NMR. AB - The non structural protein 5A (NS5A) regulates the replication of the hepatitis C viral RNA through a direct molecular interaction of its domain 2 (NS5A-D2) with the RNA dependent RNA polymerase NS5B. Because of conflicting data in the literature, we study here this molecular interaction using fluorinated versions of the NS5A-D2 protein derived from the JFH1 Hepatitis C Virus strain. Two methods to prepare fluorine-labelled NS5A-D2 involving the biosynthetic incorporation of a 19F-tryptophan using 5-fluoroindole and the posttranslational introduction of fluorine by chemical conjugation of 2-iodo-N (trifluoromethyl)acetamide with the NS5A-D2 cysteine side chains are presented. The dissociation constants (KD) between NS5A-D2 and NS5B obtained with these two methods are in good agreement, and yield values comparable to those derived previously from a surface plasmon resonance study. We compare benefits and limitations of both labeling methods to study the interaction between an intrinsically disordered protein and a large molecular target by 19F NMR. PMID- 29218485 TI - Apical Membrane Alterations in Non-intestinal Organs in Microvillus Inclusion Disease. AB - OBJECTIVES: Microvillus inclusion disease (MVID) is a severe form of neonatal diarrhea, caused mainly by mutations in MYO5B. Inactivating mutations in MYO5B causes depolarization of enterocytes in the small intestine, which gives rise to chronic, unremitting secretory diarrhea. While the pathology of the small intestine in MVID patients is well described, little is known about extraintestinal effects of MYO5B mutation. METHODS: We examined stomach, liver, pancreas, colon, and kidney in Navajo MVID patients, who share a single homozygous MYO5B-P660L (1979C>T p.Pro660Leu, exon 16). Sections were stained for markers of the apical membrane to assess polarized trafficking. RESULTS: Navajo MVID patients showed notable changes in H/K-ATPase-containing tubulovesicle structure in the stomach parietal cells. Colonic mucosa was morphologically normal, but did show losses in apical ezrin and Syntaxin 3. Hepatocytes in the MVID patients displayed aberrant canalicular expression of the essential transporters MRP2 and BSEP. The pancreas showed small fragmented islets and a decrease in apical ezrin in pancreatic ducts. Kidney showed normal primary cilia. CONCLUSIONS: These findings indicate that the effects of the P660L mutation in MYO5B in Navajo MVID patients are not limited to the small intestine, but that certain tissues may be able to compensate functionally for alterations in apical trafficking. PMID- 29218487 TI - 3D true-phase polarity recovery with independent phase estimation using three tier stacks based region growing (3D-TRIPS). AB - OBJECTIVES: A postprocessing technique termed 3D true-phase polarity recovery with independent phase estimation using three-tier stacks based region growing (3D-TRIPS) was developed, which directly reconstructs phase-sensitive inversion recovery images without acquisition of phase-reference images. The utility of this technique is demonstrated in myocardial late gadolinium enhancement (LGE) imaging. MATERIALS AND METHODS: A data structure with three tiers of stacks was used for 3D-TRIPS to directly achieve reliable region growing for successful background-phase estimation. Fifteen patients undergoing postgadolinium 3D phase sensitive inversion recovery (PSIR) cardiac LGE magnetic resonance imaging (MRI) were recruited, and 3D-TRIPS LGE reconstructions were compared with standard PSIR. Objective voxel-by-voxel comparison was performed. Additionally, blinded review by two radiologists compared scar visibility, clinical acceptability, voxel polarity error, or groups and blurring. RESULTS: 3D-TRIPS efficiently reconstructed postcontrast phase-sensitive myocardial LGE images. Objective analysis showed an average 95% voxel-by-voxel agreement between 3D-TRIPS and PSIR images. Blinded radiologist review demonstrated similar image quality between 3D TRIPS and PSIR reconstruction. CONCLUSION: 3D-TRIPS provided similar image quality to PSIR for phase-sensitive myocardial LGE MRI reconstruction. 3D-TRIPS does not require acquisition of a reference image and can therefore be used to accelerate phase-sensitive LGE imaging. PMID- 29218488 TI - Effect of Body Position on Pharyngeal Swallowing Pressures Using High-Resolution Manometry. AB - The effect of body position and gravitational pull on the complex pressure-driven process of pharyngeal swallowing remains unknown. Using high-resolution manometry (HRM), this study aims to identify positional adaptations of pharyngeal physiology by evaluating swallowing pressure patterns in a series of inverted body positions. Ten healthy adults each underwent swallowing tasks with pharyngeal HRM at six body positions using an inversion table (0 degrees [upright], 45 degrees , 90 degrees [supine], 110 degrees , 135 degrees , and 180 degrees [fully inverted]). Repeated measures ANOVA was used to assess impact of position on pressure parameters, and pharyngeal-UES pressure gradients translate. Velopharyngeal pressures varied by position (P < 0.001), with significantly higher pressures generated with inversion >=90 degrees , compared with upright and 45 degrees . Change in position did not significantly affect common mesopharyngeal pressures or swallowing pressure durations. UES valving mechanisms were preserved during inversion, with subtle variations observed in integral pressures (P = 0.011). Pharyngeal-UES pressure gradients changed with position (P < 0.01), increasing with inversion > 90 degrees compared to upright and 45 degrees . Mechanisms of deglutition may differ with position and relative direction of gravity, particularly when at > 45 degrees inclination. Increased palatal pressure is generated in the upside-down position to achieve nasopharyngeal closure and prevent regurgitation. While other classically measured pressures may not consistently differ with positioning, many individuals exhibit adaptations in pressure gradients when inverted, likely due to a combination of changes in pharyngeal driving force and UES opening mechanisms. Identification of these changes, relative to position, further builds on our understanding of the adaptability of the pharyngeal swallowing system. PMID- 29218489 TI - Contrast-enhanced ultrasound of the kidney: a single-institution experience. AB - BACKGROUND: Focal renal masses are typically evaluated by means of triphasic contrast-enhanced CT or MRI scan but use of iodinated contrast or gadolinium is unsuitable for some patients. Contrast-enhanced ultrasound (CEUS) is an imaging alternative in this scenario but has limited availability in Ireland. AIM: The aim of the study was to retrospectively evaluate experience with selective use of CEUS for non-invasive characterization of focal renal masses in a tertiary referral institution in Ireland, with a particular focus on cystic renal lesions and the influence of CEUS on final Bosniak classification and treatment outcomes. METHODS: All cases of renal CEUS between 2009 and 2017 were identified. Imaging history, patient records, histopathology reports, urology conference notes, clinical follow-up details, details of lesion progression or stability on surveillance, biopsy and/or resection details and pre- and post-CEUS Bosniak scores were recorded. RESULTS: Thirty-one patients underwent renal CEUS (7 solid renal lesions, 21 cystic renal lesions and 3 'indeterminate' renal lesions). After CEUS, the CEUS-modified Bosniak score was upgraded in nine patients and downgraded in two patients. All three lesions upgraded from Bosniak III to IV were renal cell carcinomas. One of two lesions downgraded from Bosniak IV to III was resected (cystic nephroma) and the other showed no progression after 19 months of surveillance. CONCLUSION: CEUS is a valuable alternative to CT in assessing complex cystic or solid renal lesions where iodinated CT contrast or gadolinium is inappropriate. CEUS can also refine the Bosniak category of atypical cystic renal lesions and help facilitate treatment decisions. PMID- 29218490 TI - Fathers Count: The Impact of Paternal Risk Factors on Birth Outcomes. AB - Objective To determine the contribution of paternal factors to the risk of adverse birth outcomes. Methods This is a retrospective cross-sectional analysis using birth certificate data from 2004 to 2015 retrieved from the Finger Lakes Regional Perinatal Data System. Primiparous women with singleton pregnancies were analyzed in the study. Two multivariate logistic regression models were conducted to assess potential paternal risk factors including age, race/ethnicity, and education on four birth outcomes, including preterm birth (PTB), low birthweight (LBW), high birthweight (HBW), and small for gestational age (SGA). Results A total of 36,731 singleton births were included in the analysis. Less paternal education was significantly related to an elevated risk of PTB, LBW, and SGA, even after adjustment for maternal demographic, medical, and lifestyle factors (P < 0.05). Paternal race/ethnicity was also significantly associated with all four birth outcomes (P < 0.05) while controlling for maternal factors. Older paternal age was associated with increased odds (OR 1.012, 95% CI 1.003-1.022) of LBW. Maternal race/ethnicity partially mediated the association of paternal race/ethnicity with HBW and SGA. Maternal education partially mediated the relationship between paternal education and SGA. Conclusion Paternal factors were important predictors of adverse birth outcomes. Our results support the inclusion of fathers in future studies and clinical programs aimed at reducing adverse birth outcomes. PMID- 29218491 TI - A specific amino acid residue in the catalytic site of dandelion polyphenol oxidases acts as 'selector' for substrate specificity. AB - KEY MESSAGE: Successful site-directed mutagenesis combined with in silico modeling and docking studies for the first time offers experimental proof of the role of the 'substrate selector' residue in plant polyphenol oxidases. The plant and fungi enzymes responsible for tissue browning are called polyphenol oxidases (PPOs). In plants, PPOs often occur as families of isoenzymes which are differentially expressed, but little is known about their physiological roles or natural substrates. In a recent study that explored these structure-function relationships, the eleven known dandelion (Taraxacum officinale) PPOs were shown to separate into two different phylogenetic groups differing in catalytic cavity architecture, kinetic parameters, and substrate range. The same study proposed that the PPOs' substrate specificity is controlled by one specific amino acid residue positioned at the entrance to the catalytic site: whereas group 1 dandelion PPOs possess a hydrophobic isoleucine (I) at position HB2+1, group 2 PPOs exhibit a larger, positively charged arginine (R). However, this suggestion was only based on bioinformatic analyses, not experiments. To experimentally investigate this hypothesis, we converted group 1 ToPPO-2 and group 2 ToPPO-6 into PPO-2-I244R and PPO-6-R254I, respectively, and expressed them in E. coli. By performing detailed kinetic characterization and in silico docking studies, we found that replacing this single amino acid significantly changed the PPO's substrate specificity. Our findings therefore proof the role of the 'substrate selector' in plant PPOs. PMID- 29218492 TI - Efficacy of Secukinumab in the Treatment of Moderate to Severe Plaque Psoriasis in the North American Subgroup of Patients: Pooled Analysis of Four Phase 3 Studies. AB - INTRODUCTION: Demographic and disease characteristics may impact response to psoriasis therapies. The objective of this study is to explore the safety and efficacy profile of secukinumab in North American (NA) versus non-NA patients with moderate to severe psoriasis. METHODS: Data were pooled from four phase 3 studies of secukinumab. Secukinumab (300 and 150 mg) was administered at baseline, weeks 1, 2, and 3, then every 4 weeks from week 4 to 48. RESULTS: Peak efficacy was observed at week 16 in NA and non-NA patients with secukinumab 300 mg and secukinumab 150 mg, and disease clearance was maintained to week 52. At week 52 with secukinumab 300 mg, Psoriasis Area and Severity Index (PASI) 90/100 response was achieved by 62.9%/37.9% of NA patients, respectively, and 70.2%/42.0% of non-NA patients, respectively. At week 52 with secukinumab 150 mg, PASI 90/100 response was achieved by 30.9%/17.5% of NA patients, respectively, and 53.9%/26.9% of non-NA patients, respectively. Response to secukinumab was rapid, and 50% reduction in mean PASI was achieved in both groups after 2.9 weeks with secukinumab 300 mg and 3.7 weeks with secukinumab 150 mg. CONCLUSION: Despite differences in baseline characteristics, the efficacy and safety of secukinumab were similar among NA and non-NA patients. FUNDING: Novartis Pharma AG. Plain language summary available for this article. PMID- 29218494 TI - Efficacy of pulsed dye laser treatment for common warts is not influenced by the causative HPV type: a prospective study. AB - Verruca vulgaris (VV) is a prevalent skin condition caused by various subtypes of human papilloma virus (HPV). The most common causes of non-genital lesions are HPV types 2 and 4, and to a lesser extent types 1, 3, 26, 29, and 57. Although numerous therapeutic modalities exist, none is universally effective or without adverse events (AE). Pulsed dye laser (PDL) is a favorable option due to its observed efficacy and relatively low AE rate. However, it is not known which verrucae are most likely to respond to PDL, or whether the causative viral subtype influences this response. The objective of this prospective blinded study was to assess whether the HPV subtype was predictive of response to PDL. For that matter, 26 verrucae from 26 immunocompetent patients were biopsied prior to treatment by PDL. HPV coding sequences were isolated and genotyped using PCR analysis. Patients were treated by PDL (595 nm wavelength, 5 mm spot size, 1.5 ms pulse duration, 12 J/cm2 fluence) once a month for up to 6 months, and clinical response was assessed. Binary logistic regression analysis and linear logistic regression analysis were used in order to evaluate statistical significance. Different types of HPV were identified in 22 of 26 tissue samples. Response to treatment did not correlate with HPV type, age, or gender. As no association between HPV type and response to PDL therapy could be established, it is therefore equally effective for all HPV types and remains a favorable treatment option for all VV. PMID- 29218493 TI - Direct biological effects of fractional ultrapulsed CO2 laser irradiation on keratinocytes and fibroblasts in human organotypic full-thickness 3D skin models. AB - Molecular effects of various ablative and non-ablative laser treatments on human skin cells-especially primary effects on epidermal keratinocytes and dermal fibroblasts-are not yet fully understood. We present the first study addressing molecular effects of fractional non-sequential ultrapulsed CO2 laser treatment using a 3D skin model that allows standardized investigations of time-dependent molecular changes ex vivo. While histological examination was performed to assess morphological changes, we utilized gene expression profiling using microarray and qRT-PCR analyses to identify molecular effects of laser treatment. Irradiated models exhibited dose-dependent morphological changes resulting in an almost complete recovery of the epidermis 5 days after irradiation. On day 5 after laser injury with a laser fluence of 100 mJ/cm2, gene array analysis identified an upregulation of genes associated with tissue remodeling and wound healing (e.g., COL12A1 and FGF7), genes that are involved in the immune response (e.g., CXCL12 and CCL8) as well as members of the heat shock protein family (e.g., HSPB3). On the other hand, we detected a downregulation of matrix metalloproteinases (e.g., MMP3), differentiation markers (e.g., LOR and S100A7), and the pro-inflammatory cytokine IL1alpha.Overall, our findings substantiate the understanding of time dependent molecular changes after CO2 laser treatment. The utilized 3D skin model system proved to be a reliable, accurate, and reproducible tool to explore the effects of various laser settings both on skin morphology and gene expression during wound healing. PMID- 29218495 TI - Systemic Epstein-Barr virus-positive T-cell lymphoproliferative disorders of childhood with fulminant leukocytosis and tumor lysis: a case report with autopsy findings. AB - Systemic Epstein-Barr virus (EBV)-positive T-cell lymphoproliferative disorders (T-LPD) of childhood is an extremely rare disease characterized by an aggressive clinical course and very poor prognosis. We report an adolescent male with systemic EBV-positive T-LPD of childhood after primary EBV infection, resulting in a fatal clinical course within 9 days, along with autopsy findings. A 19-year old male without an immunocompromised status presented with an acute onset of high fever, and was hospitalized for persistent fever, vomiting and diarrhea on the 5th day from onset. Laboratory data showed severe thrombocytopenia, increased ferritin level, liver dysfunction, disseminated intravascular coagulation, and anti-EBV-IgM positivity. Peripheral blood smears identified a number of atypical lymphocytes. Bone marrow aspiration revealed many atypical various-sized lymphocytes with apparent nucleoli and hemophagocytosis. Atypical lymphocytes displayed a CD8+ T-cell phenotype with monoclonal rearrangement of T-cell receptors. EBV-encoded RNA was also observed in lymphoid cells by in situ hybridization. The patient received dexamethasone and cyclosporine with no improvement, and died of tumor lysis by leukocytosis on the 9th day from onset. PMID- 29218496 TI - Testing the Association Between Traditional and Novel Indicators of County-Level Structural Racism and Birth Outcomes among Black and White Women. AB - Despite decreases in infants born premature and at low birth weight in the United States (U.S.), racial disparities between Black and White women continue. In response, the purpose of this analysis was to examine associations between both traditional and novel indicators of county-level structural racism and birth outcomes among Black and White women. We merged individual-level data from the California Birth Statistical Master Files 2009-2013 with county-level data from the United States (U.S.) Census American Community Survey. We used hierarchical linear modeling to examine Black-White differences among 531,170 primiparous women across 33 California counties. Traditional (e.g., dissimilarity index) and novel indicators (e.g., Black to White ratio in elected office) were associated with earlier gestational age and lower birth weight among Black and White women. A traditional indicator was more strongly associated with earlier gestational age for Black women than for White women. This was the first study to empirically demonstrate that structural racism, measured by both traditional and novel indicators, is associated with poor health and wellbeing of infants born to Black and White women. However, findings indicate traditional indicators of structural racism, rather than novel indicators, better explain racial disparities in birth outcomes. Results also suggest the need to develop more innovative approaches to: (1) measure structural racism at the county-level and (2) reform public policies to increase integration and access to resources. PMID- 29218497 TI - Diabetes Prevention for African-Americans: a Scoping Review. AB - BACKGROUND: Type 2 diabetes mellitus (T2DM) is the most common form of diabetes and is preventable in many instances. African-Americans are disproportionately represented in T2DM statistics. The strategies in place to prevent disease development in this population warrant critical examination. METHODS: A scoping review of literature was conducted to provide an overview of the largely inconsistent approach to African-American T2DM prevention research. Specific research questions included: (1) How are African-Americans treated in the existing T2DM literature? (1a) Are African-Americans primarily treated as a homogenous group in the literature? (1b) Has the literature addressed middle class African-Americans? (2) Is the T2DM prevention literature focused on primary or secondary prevention? The review included articles published from 1985 to 2016, examining the methodology and approach toward African-Americans in each article. RESULTS: The review yielded 653 unduplicated articles. Through title, abstract, and full-text screenings, 381 articles were excluded. Of the remaining articles only 37% were focused on the prevention of T2DM development, and only 22.7% described a participant education component. The majority of the studies were observational (n = 19). Only 53.5% included majority African-American participants. Samples ranged from 2 to 27,899 individuals, which were often treated as homogeneous groups in terms of income and/or education (62.3%). CONCLUSION: The approach to T2DM prevention in African-Americans is largely inconsistent, which may be contributing to stagnation in this area of research. PMID- 29218498 TI - The Epidemiology of Coping in African American Adults in the Jackson Heart Study (JHS). AB - Differences in coping within the African American population are not well understood, yet these differences may be critical to reducing stress, improving health, and reducing racial health disparities. Using a descriptive, exploratory analysis of the Jackson Heart Study (N = 5301), we examine correlations between coping responses and associations between coping and demographic, socioeconomic, psychosocial, and neighborhood factors. Overall, coping responses were not strongly correlated and patterns of associations between covariates and coping responses were largely inconsistent. The results suggest that coping varies substantially within this African American population and is driven mainly by psychosocial factors such as spirituality and interpersonal support. Understanding these complex relationships may inform strategies by which to intervene in the stress process to mitigate the effects of stress on health and to identify vulnerable subgroups of African Americans that might need targeted interventions to reduce exposure to stressors and improve coping capacities. PMID- 29218499 TI - Effect of CLIP3 Upregulation on Astrocyte Proliferation and Subsequent Glial Scar Formation in the Rat Spinal Cord via STAT3 Pathway After Injury. AB - Spinal cord injury (SCI) is a devastating event resulting in neuron degeneration and permanent paralysis through inflammatory cytokine overproduction and glial scar formation. Presently, the endogenous molecular mechanisms coordinating glial scar formation in the injured spinal cord remain elusive. Signal transducer and activator of transcription 3 (STAT3) is a well-known transcription factor particularly involving in cell proliferation and inflammation in the lesion site following SCI. Meanwhile, CAP-Gly domain containing linker protein 3(CLIP3), a vital cytoplasmic protein, has been confirmed to providing an optimal conduit for intracellular signal transduction and interacting with STAT3 with mass spectrometry analysis. In this study, we aimed to identify the expression of CLIP3 in the spinal cord as well as its role in mediating astrocyte activation and glial scar formation after SCI by establishing an acute traumatic SCI model in male adult rats. Western blot analysis revealed that CLIP3 increased gradually after injury, reached a peak at day 3. The immunohistochemistry staining showed the same result in white matter. With double immunofluorescence staining, we found that CLIP3 was expressed in glial cells and significant changes of CLIP3 expression occurred in astrocytes during the pathological process. Statistical analysis demonstrated there was a correlation between the number of positive cells stained by CLIP3 and STAT3 in the spinal cord after SCI. Co immunoprecipitation further indicated that CLIP3 interacted with STAT3 in the injured spinal cord. Taken together, our study clearly suggested that CLIP3 played an essential role in astrocyte activation, associating with the STAT3 pathway activation induced by SCI. PMID- 29218500 TI - An Initial Investigation of Individual Rate-of-Play Preferences and Associations with EGM Gambling Behavior. AB - Electronic gambling machines (EGMs) show a strong association with gambling problems. The high speed of gaming offered by modern EGMs allows playing numerous games in a short span of time, which is thought to contribute to attentional distraction, increased spending and prolonged play. However, the relationship between EGM speeds and potentially risk-related gambling behavior remains unclear. We introduce a novel approach to investigating the role of gaming speed in EGM gambling behavior by examining 'individual rate-of-play' (I-ROP) during simulated EGM gambling. A community sample of male regular gamblers (N = 72) played virtual slot machines in pairs offering sequentially adjusted game speeds towards the estimation of a behaviorally expressed preference speed, or I-ROP. This initial experiment aimed to explore the variability of I-ROPs during simulated EGM gambling, and examine behavior while playing EGMs at speeds relative to their I-ROP. Estimated I-ROPs ranged from less than one half second to over seven seconds and were negatively associated with cognitive ability, but not related to problem gambling severity, impulsiveness, or gambling-related cognitions. Subsequent gambling sessions on EGMs offering individually calibrated faster and slower gaming speeds were associated with greater and reduced risk related gambling behaviors respectively. I-ROPs represent a potentially informative construct for exploring influences of gaming speed on gambling behavior, and may lend insight into potential risk-related behavior an individual vulnerability with respect to commercially available EGMs that warrants additional research. PMID- 29218502 TI - Lower preoperative Hounsfield unit values are associated with intra-operative fractures in cementless bipolar hemiarthroplasty. AB - : The use of Hounsfield units (HU) from CT scanning to assess regional BMD has been described. Therefore, we evaluated whether HU could be used to identify osteoporosis of the proximal part of the femur. The results showed that HU assessment is associated with the presence of intra-operative fracture during arthroplasty. INTRODUCTION: The aim with this study was to determine the association of preoperative Hounsfield unit (HU) in hip computed tomography (CT) with intra-operative osteoporotic fracture during cementless hemiarthroplasty. METHODS: In this retrospective study, we reviewed all patients who underwent cementless bipolar hemiarthroplasty for femoral neck fractures between 2014 and 2016. Patients with intra-operative metaphyseal fractures (n = 25) during surgery were identified from a retrospectively collected patient database and matched with nonfracture controls (n = 75) on the basis of age and sex. The differences between patients with intra-operative fractures and without intra-operative fractures were compared regarding preoperative HU. Correlations of HU value of femur neck with BMD and T scores were determined. RESULTS: Analysis of HU values at the fracture level showed a significantly lower value in the fracture group than in the controls (1186 vs 1340, p = 0.005). The correlation between HU and BMD of femur neck was significant (r 2 = 0.347; p < 0.001). The correlation between HU of femur neck and BMD of spine was also significant (r 2 = 0.133; p < 0.001). CONCLUSIONS: HU assessment using preoperative CT scan is associated with the presence of intra-operative fracture during bipolar hemiarthroplasty. We believe that HU values of the proximal femur could be used to assess local bone quality. PMID- 29218501 TI - Evaluating Safety Reporting in Paediatric Antibiotic Trials, 2000-2016: A Systematic Review and Meta-Analysis. AB - BACKGROUND: There are very few options to treat multidrug-resistant bacterial infections in children. A major barrier is the duration and complexity of regulatory trials of new antibiotics. Extrapolation of safety data from adult trials could facilitate drug development for children. OBJECTIVE: We performed a systematic review on the safety of antibiotic clinical trials (CTs) in children (0-18 years) to evaluate the overall quality of safety trials conducted in children and to determine if age-specific adverse events (AEs) could be identified for specific antibiotic classes. DATA SOURCES: We searched the MEDLINE, Cochrane CENTRAL, and ClinicalTrials.gov electronic databases for trials conducted between 2000 and 2016. STUDY SELECTION: All trials in which safety was declared a primary or secondary endpoint were included. Exclusion criteria were (1) topical or inhalational route of administration; (2) non-infectious conditions; (3) administration for prophylaxis rather than treatment; (4) selected population (i.e. cystic fibrosis, malignancies, HIV and tuberculosis); and (5) design other than randomized controlled trials. Trials reporting data on both adults and children were included only if paediatric results were reported separately. DATA EXTRACTION AND SYNTHESIS: Two authors independently extracted the data. To assess the quality of published trials, the Extension for harms for Consolidated Standards of Reporting Trials (CONSORT) Statement 2004 was used. MAIN OUTCOME AND MEASURE: In order to quantitatively assess the rate of developing AEs by drug class, the numbers of overall and body-system-specific AEs were collected for each study arm, and then calculated per single drug class as median and interquartile range (IQR) of the proportions across CTs. The AEs most frequently reported were compared in the meta-analysis by selecting the CTs on the most represented drug classes. RESULTS: Eighty-three CTs were included, accounting for 27,693 children. Overall, 69.7% of CONSORT items were fully reported. The median proportion of children with any AE was 22.5%, but did not exceed 8% in any single body system. Serious drug-related AEs and drug-related discontinuations were very rare (median 0.3 and 0.9%, respectively). Limitations included the inability to stratify by age group, particularly neonates. CONCLUSIONS AND RELEVANCE: Overall, AEs in paediatric antibiotic CTs were predictable and class-specific, and no unexpected (age-specific) side effects were identified. Smaller, open-label, dose-finding, high-quality, single-arm pharmacokinetic trials seem potentially sufficient for certain common antibiotic classes, extrapolating well-established safety profiles determined from large adult efficacy trials. This approach could reduce duration and enhance subsequent registration of urgently needed new antibiotics. This will need to be combined with enhanced methods of pharmacovigilance for monitoring of emerging AEs in routine clinical practice. PMID- 29218503 TI - Differential Alterations in Metabolism and Proteolysis-Related Proteins in Human Parkinson's Disease Substantia Nigra. AB - Parkinson's disease is the most common neurodegenerative disorder after Alzheimer's disease, with the majority of cases being sporadic or "idiopathic". The aetiology of the sporadic form is still unknown, but there is a broad consensus that Parkinson's disease involves multiple pathways. In previous human post-mortem studies investigating substantia nigra of parkinsonian subjects, gene expression alterations in various metabolic pathways including protein folding, trafficking, aggregation, ubiquitination and oxidative stress were found. These studies revealed transcriptomic dysregulation of various genes, amongst others Skp1A and PSMC4 (part of ubiquitin-proteasome system), HSC70 (belonging to the chaperone family) and ALDH1A1 (an enzyme involved in the catabolism of dopamine). To investigate whether these alterations are manifested at the protein level, we performed immunohistochemical analysis in the substantia nigra of Parkinson's disease and compared them to Alzheimer's disease and non-neurological post-mortem controls. We were able to confirm cell-specific reductions in the protein content of ALHD1A1 and Skp1A in the dopaminergic neurons of the substantia nigra of Parkinsonian patients compared to Alzheimer's and control subjects. Furthermore, we observed particular distribution for HSC70 and PSMC4 in the cytoplasm and accumulation within Lewy body in the dopaminergic neurons of the substantia nigra in Parkinson patients. These findings, together with previous evidence, suggest a malfunction of the ubiquitin-proteasome and possible autophagy systems as major players in protein misfolding and aggregation in Parkinson's disease. Nevertheless, this needs further proof, possibly with trajectory time line. PMID- 29218504 TI - Temporal-Spatial Profiling of Pedunculopontine Galanin-Cholinergic Neurons in the Lactacystin Rat Model of Parkinson's Disease. AB - Parkinson's disease (PD) is conventionally seen as resulting from single-system neurodegeneration affecting nigrostriatal dopaminergic neurons. However, accumulating evidence indicates multi-system degeneration and neurotransmitter deficiencies, including cholinergic neurons which degenerate in a brainstem nucleus, the pedunculopontine nucleus (PPN), resulting in motor and cognitive impairments. The neuropeptide galanin can inhibit cholinergic transmission, while being upregulated in degenerating brain regions associated with cognitive decline. Here we determined the temporal-spatial profile of progressive expression of endogenous galanin within degenerating cholinergic neurons, across the rostro-caudal axis of the PPN, by utilizing the lactacystin-induced rat model of PD. First, we show progressive neuronal death affecting nigral dopaminergic and PPN cholinergic neurons, reflecting that seen in PD patients, to facilitate use of this model for assessing the therapeutic potential of bioactive peptides. Next, stereological analyses of the lesioned brain hemisphere found that the number of PPN cholinergic neurons expressing galanin increased by 11%, compared to sham-lesioned controls, and increasing by a further 5% as the neurodegenerative process evolved. Galanin upregulation within cholinergic PPN neurons was most prevalent closest to the intra-nigral lesion site, suggesting that galanin upregulation in such neurons adapt intrinsically to neurodegeneration, to possibly neuroprotect. This is the first report on the extent and pattern of galanin expression in cholinergic neurons across distinct PPN subregions in both the intact rat CNS and lactacystin-lesioned rats. The findings pave the way for future work to target galanin signaling in the PPN, to determine the extent to which upregulated galanin expression could offer a viable treatment strategy for ameliorating PD symptoms associated with cholinergic degeneration. PMID- 29218505 TI - Antibacterial and Antibiofilm Activity of Lactic Acid Bacteria Isolated from Traditional Artisanal Milk Cheese from Northeast China Against Enteropathogenic Bacteria. AB - The present study aims to investigate the probiotic properties of novel strains of lactic acid bacteria isolated from traditional artisanal milk cheese from Northeast China and to explore their antibacterial activity against enteropathogenic bacteria. Of the 321 isolates, 86 exhibited survival in low pH, resistance to pancreatin, and tolerance to bile salts; of these, 12 inhibited the growth of more than seven enteropathogenic bacteria and exhibited antibiofilm activities against Staphylococcus aureus CMCC26003 and/or Escherichia coli CVCC230. Based on 16S ribosomal RNA sequence analysis, the 12 isolates were assigned to Lactobacillus plantarum (7), Lactobacillus helveticus (3), Pediococcus acidilactici (1), and Enterococcus faecium (1) species. In addition, 5 of the 12 strains were susceptible to most of the tested antibiotics. Furthermore, four strains with sensitivity to antibiotics showed significantly high levels of hydrophobicity similar to or better than the reference strain Lactobacillus rhamnosus GG. Moreover, three strains were confirmed safe through non-hemolytic activities and bacterial translocation. Overall, the selected Lact. plantarum 27053 and 27172 and Lact. helveticus 27058 strains can be considered potential probiotic strains and candidates for further application in functional food and prevention or treatment of gastrointestinal diseases. PMID- 29218506 TI - In Silico Discovery of Novel Ligands for Antimicrobial Lipopeptides for Computer Aided Drug Design. AB - The increase in antibiotic-resistant strains of pathogens has created havoc worldwide. These antibiotic-resistant pathogens require potent drugs for their inhibition. Lipopeptides, which are produced as secondary metabolites by many microorganisms, have the ability to act as potent safe drugs. Lipopeptides are amphiphilic molecules containing a lipid chain bound to the peptide. They exhibit broad-spectrum activities against both bacteria and fungi. Other than their antimicrobial properties, they have displayed anti-cancer properties as well, but their mechanism of action is not understood. In silico drug design uses computer simulation to discover and develop new drugs. This technique reduces the need of expensive and tedious lab work and clinical trials, but this method becomes a challenge due to complex structures of lipopeptides. Specific agonists (ligands) must be identified to initiate a physiological response when combined with a receptor (lipopeptide). In silico drug design and homology modeling talks about the interaction between ligands and the binding sites. This review summarizes the mechanism of selected lipopeptides, their respective ligands, and in silico drug design. PMID- 29218507 TI - Clustering based on unsupervised binary trees to define subgroups of cancer patients according to symptom severity in cancer. AB - BACKGROUND: Studies have suggested that clinicians do not feel comfortable with the interpretation of symptom severity, functional status, and quality of life (QoL). Implementation strategies of these types of measurements in clinical practice imply that consensual norms and guidelines regarding data interpretation are available. The aim of this study was to define subgroups of patients according to the levels of symptom severity using a method of interpretable clustering that uses unsupervised binary trees. METHODS: The patients were classified using a top-down hierarchical method: Clustering using Unsupervised Binary Trees (CUBT). We considered a three-group structure: "high", "moderate", and "low" level of symptom severity. The clustering tree was based on three stages using the 9-symptom scale scores of the EORTC QLQ-C30: a maximal tree was first developed by applying a recursive partitioning algorithm; the tree was then pruned using a criterion of minimal dissimilarity; finally, the most similar clusters were joined together. Inter-cluster comparisons were performed to test the sample partition and QoL data. RESULTS: Two hundred thirty-five patients with different types of cancer were included. The three-cluster structure classified 143 patients with "low", 46 with "moderate", and 46 with "high" levels of symptom severity. This partition was explained by cut-off values on Fatigue and Appetite Loss scores. The three clusters consistently differentiated patients based on the clinical characteristics and QoL outcomes. CONCLUSION: Our study suggests that CUBT is relevant to define the levels of symptom severity in cancer. This finding may have important implications for helping clinicians to interpret symptom profiles in clinical practice, to identify individuals at risk for poorer outcomes and implement targeted interventions. PMID- 29218509 TI - Protective effect of cadmium-induced autophagy in rat renal mesangial cells. AB - Cadmium damages renal cells, and in particular may cause mesangial cell death by necrosis or apoptosis, depending on exposure conditions in cultured cells. However, there is an uncertainty as to whether Cd2+-induced autophagy can protect mesangial cells against these other mechanisms of cell death. We have used autophagy-incompetent mouse embryonic fibroblast (MEF) cells lacking the Atg16 gene, as well as cultured rat mesangial cells (RMC) in which Atg16 has been silenced, to examine this issue. Measuring the processing of LC3-I to LC3-II and expression of sequestosome-1 (p62), we define conditions under which RMC can be induced to undergo autophagy in response to 0-20 uM CdCl2. Similarly, Cd2+ can initiate autophagy in MEF cells. However, when autophagy is compromised, either by gene knockout in MEF cells or by RNA silencing in RMC, cell viability is decreased, and concomitantly a Cd2+ dose-dependent increase in pro-caspase-3 cleavage indicates the initiation of apoptotic cell death. In contrast to some previous reports, Cd2+-induced autophagy is not correlated with increased levels of cellular reactive oxygen species but, among a panel of kinases investigated, is suppressed by inhibition of the Jun kinase. We conclude that concentrations of Cd2+ that initiate autophagy may afford renal mesangial cells some degree of protection against other modes (apoptosis, necrosis) of cell death. PMID- 29218508 TI - Use of HuH6 and other human-derived hepatoma lines for the detection of genotoxins: a new hope for laboratory animals? AB - Cell lines which are currently used in genotoxicity tests lack enzymes which activate/detoxify mutagens. Therefore, rodent-derived liver preparations are used which reflect their metabolism in humans only partly; as a consequence misleading results are often obtained. Previous findings suggest that certain liver cell lines express phase I/II enzymes and detect promutagens without activation; however, their use is hampered by different shortcomings. The aim of this study was the identification of a suitable cell line. The sensitivity of twelve hepatic cell lines was investigated in single cell gel electrophoresis assays. Furthermore, characteristics of these lines were studied which are relevant for their use in genotoxicity assays (mitotic activity, p53 status, chromosome number, and stability). Three lines (HuH6, HCC1.2, and HepG2) detected representatives of five classes of promutagens, namely, IQ and PhIP (HAAs), B(a)P (PAH), NDMA (nitrosamine), and AFB1 (aflatoxin), and were sensitive towards reactive oxygen species (ROS). In contrast, the commercially available line HepaRG, postulated to be a surrogate for hepatocytes and an ideal tool for mutagenicity tests, did not detect IQ and was relatively insensitive towards ROS. All other lines failed to detect two or more compounds. HCC1.2 cells have a high and unstable chromosome number and mutated p53, these features distract from its use in routine screening. HepG2 was frequently employed in earlier studies, but pronounced inter-laboratory variations were observed. HuH6 was never used in genotoxicity experiments and is highly promising, it has a stable karyotype and we demonstrated that the results of genotoxicity experiments are reproducible. PMID- 29218510 TI - Biography-Q. Ping Dou. PMID- 29218512 TI - (E)merging directions on air pollution and climate change research in Mediterranean Basin ecosystems. PMID- 29218511 TI - Optical monitoring of cerebral microcirculation in neurointensive care. AB - Continuous optical monitoring of local cerebral microcirculation could benefit neurointensive care patients treated for subarachnoid hemorrhage (SAH). The aim of the study was to evaluate laser Doppler flowmetry (LDF) and diffuse reflectance spectroscopy (DRS) for long-term monitoring of brain microcirculation and oxygen saturation (SO2) in the neurointensive care unit (NICU). A fiber optic probe was designed for intraparenchymal use and connected to LDF and DRS for assessment of the local blood flow (perfusion and tissue reflectance (TLI)) and SO2 in the brain. The optically monitored parameters were compared with conventional NICU monitors and Xe-CT. The LDF signals were low with median and 25 to 75% interquartiles of perfusion = 70 (59 to 83) a.u. and TLI = 2.0 (1.0 to 2.4) a.u. and showed correlation with the NICU monitors in terms of heart rate. Median and interquartiles of SO2 were 17.4 (15.7 to 19.8) %. The lack of correlation between local perfusion and cerebral perfusion pressure indicated intact cerebral autoregulation. The systems were capable of monitoring both local perfusion and SO2 with stable signals in the NICU over 4 days. Further clinical studies are required to evaluate the optical systems' potential for assessing the onset of secondary brain injury. PMID- 29218513 TI - Expression and Purification of Rat Glucose Transporter 1 in Pichia pastoris. AB - Large amounts of pure and homogenous protein are a prerequisite for several biochemical and biophysical analyses, and in particular if aiming at resolving the three-dimensional protein structure. Here we describe the production of the rat glucose transporter 1 (GLUT1), a membrane protein facilitating the transport of glucose in cells. The protein is recombinantly expressed in the yeast Pichia pastoris. It is easily maintained and large-scale protein production in shaker flasks, as commonly performed in academic research laboratories, results in relatively high yields of membrane protein. The purification protocol describes all steps needed to obtain a pure and homogenous GLUT1 protein solution, including cell growth, membrane isolation, and chromatographic purification methods. PMID- 29218514 TI - Crystallization and Structural Determination of the Human Glucose Transporters GLUT1 and GLUT3. AB - Overexpression, purification, and crystallization of eukaryotic membrane proteins represent a major challenge for structural biology. In recent years, we have solved the crystal structures of the human glucose transporters GLUT1 in the inward-open conformation at 3.17 A resolution and GLUT3 in the outward-open and occluded conformations at 2.4 and 1.5 A resolutions, respectively. Structural elucidation of these transporters in three distinct functional states reveal the molecular basis for the alternating access transport cycle of this prototypal solute carrier family. It established the molecular foundation for future dynamic and kinetic investigations of these GLUTs, and will likely facilitate structure based ligand development. In this chapter, we present the detailed protocols of recombinant protein expression, purification, and crystallization of GLUT1 and GLUT3, which may help the pursuit of structural elucidation of other eukaryotic membrane proteins. PMID- 29218515 TI - Screening and Scale-Up of GLUT Transporter Constructs Suitable for Biochemical and Structural Studies. AB - Identifying membrane proteins that can be produced and isolated in homogenous form in detergent is a lengthy trial-and-error process that can be facilitated by fluorescence-based screening approaches. We describe (1) the strategy and protocol of cloning by homologous recombination, (2) whole-cell and in-gel fluorescence measurements to estimate GLUT-GFP fusion protein yields, (3) use of size-exclusion chromatography monitored by fluorescence (FSEC) for assessing the homogeneity of the GLUT-GFP fusion proteins, and (4) the protocol for large-scale production and purification of the Bos taurus GLUT5 construct that enabled its crystal structure determination. PMID- 29218516 TI - GLUT Characterization Using Frog Xenopus laevis Oocytes. AB - Xenopus laevis oocytes are a useful heterologous expression system for expressing glucose transporters (GLUTs) and examining their functions. In this chapter, we provide a detailed protocol on oocyte extraction and preparation for GLUT9 protein expression. Furthermore, we describe the determination of GLUT9 overexpression level by biotinylation and Western blotting analysis. Finally, we also describe how GLUT9-expressing oocytes can be used to measure urate kinetics by radioisotopes as well as two-microelectrode voltage clamping techniques. PMID- 29218517 TI - Glucose Uptake in Heterologous Expression Systems. AB - Understanding the physiological regulation of glucose transport requires the analysis of transporters, like GLUT1, in diverse tissue types. We document the utility of viral vectors for the stable expression of wild-type and modified GLUT1 transporter in different types of mammalian cells. Once expression of the alleles has been confirmed by Western blotting, the effect of specific mutations on the regulation of glucose transport can be measured through a previously described radiolabeled glucose transport assay. Although this discussion is focused on the GLUT1 transporter, these techniques are easily transferrable to other glucose transporters. PMID- 29218518 TI - Evaluating the Efficacy of GLUT Inhibitors Using a Seahorse Extracellular Flux Analyzer. AB - Glucose is metabolized through anaerobic glycolysis and aerobic oxidative phosphorylation (OXPHOS). Perturbing glucose uptake and its subsequent metabolism can alter both glycolytic and OXPHOS pathways and consequently lactate and/or oxygen consumption. Production and secretion of lactate, as a consequence of glycolysis, leads to acidification of the extracellular medium. Molecular oxygen is the final electron acceptor in the electron transport chain, facilitating oxidative phosphorylation of ADP to ATP. The alterations in extracellular acidification and/or oxygen consumption can thus be used as indirect readouts of glucose metabolism and assessing the impact of inhibiting glucose transport through specific glucose transporters (GLUTs). The Seahorse bioenergetics analyzer can measure both the oxygen consumption rate (OCR) and extracellular acidification rate (ECAR). The proposed methodology affords a robust, high throughput method to screen for GLUT inhibition in cells engineered to express specific GLUTs, providing live cell read-outs upon GLUT inhibition. PMID- 29218519 TI - Glucose Transport Activity Measured in Giant Vesicles. AB - Incorporation of membrane proteins and internal reporter systems directly into giant vesicles, during their formation from a hydrogel surface, has emerged as a promising new concept in membrane protein characterization. Here, we provide the detailed protocol for a glucose transporter activity assay based on giant vesicles containing a fluorescent enzyme-linked reporter system internally. This assay is applicable for the functional analysis of a variety of hexose transporting proteins. We furthermore believe that it can aid in the development of drugs targeting hexose transporters. PMID- 29218520 TI - Design, Synthesis, and Evaluation of GLUT Inhibitors. AB - The Warburg effect describes how most cancer cells exhibit higher-than-normal glucose consumption, not only under hypoxic conditions, but also when normal oxygen levels are present. Although glucose transporter 1 (GLUT1) has been found to play a key role in the cellular uptake of glucose, especially in cancer cells, where it is generally overexpressed, it has not been given consideration as a suitable target for the development of anticancer drugs. In this chapter, an example of molecular design and realization of novel GLUT1 inhibitors, including in silico modeling, chemical synthesis, and biological characterization, is provided. This process started with the identification of a focused series of oxime derivatives, originally designed as estrogen receptor (ER) ligands, which were structurally optimized in order to direct their activity towards GLUT1 and to minimize their binding to the ERs, leading to the production of efficient and selective inhibitors of glucose uptake in cancer cells. PMID- 29218521 TI - Applying Microfluidic Systems to Study Effects of Glucose at Single-Cell Level. AB - Microfluidic systems in combination with microscopy (e.g., fluorescence) can be a powerful tool to study, at single-cell level, the behavior and morphology of biological cells after uptake of glucose. Here, we briefly discuss the advantages of using microfluidic systems. We further describe how microfluidic systems are fabricated and how they are utilized. Finally, we discuss how the large amount of data can be analyzed in a "semi-automatic" manner using custom-made software. In summary, we provide a guide to how to use microfluidic systems in single-cell studies. PMID- 29218522 TI - A Growth-Based Screening System for Hexose Transporters in Yeast. AB - As the simplest eukaryotic model system, the unicellular yeast Saccharomyces cerevisiae is ideally suited for quick and simple functional studies as well as for high-throughput screening. We generated a strain deficient for all endogenous hexose transporters, which has been successfully used to clone, characterize, and engineer carbohydrate transporters from different source organisms. Here we present basic protocols for handling this strain and characterizing sugar transporters heterologously expressed in it. PMID- 29218523 TI - Identification of Insulin-Activated Rab Proteins in Adipose Cells Using Bio-ATB GTP Photolabeling Technique. AB - We have recently developed a photolabeling method to identify GTP-loaded Rab proteins. The new biotinylated GTP analogue (Bio-ATB-GTP) binds to GTP-binding proteins and after a UV irradiation a covalent bond is formed between the protein and the photoreactive diazirine group on the photolabel. The tagged protein can then be isolated and detected using the classic biotin-streptavidin interaction. In this chapter, we describe the Bio-ATB-GTP photolabel and discuss the advantages of using this photolabeling approach to detect GTP-loaded Rab proteins compared to other existing methodologies. We also describe a step-by-step procedure for detecting the activated state of a Rab protein in primary rat adipocytes. PMID- 29218524 TI - Total Internal Reflection Fluorescence Microscopy to Study GLUT4 Trafficking. AB - Total internal reflection fluorescence (TIRF) microscopy is a powerful method that allows examination of plasma membrane close events in real time. The last decade, the method has successfully been used to explore GLUT4 translocation in adipocytes. Here, we describe the procedure for studying GLUT4 trafficking using TIRF microscopy in isolated primary adipocytes. PMID- 29218525 TI - Translocation and Redistribution of GLUT4 Using a Dual-Labeled Reporter Assay. AB - It is crucial to determine the regulation of GLUT4 translocation and redistribution to the plasma membrane. The HA-GLUT4-GFP dual-reporter construct has become an important tool in the assessment of GLUT4 recycling in cultured adipocytes and myocytes. Through the use of light microscopy, this reporter construct allows for visualization of GLUT4 specifically at the cell surface or GLUT4 that has recycled from the cell surface while simultaneously marking the total GLUT4 pool. Here, we discuss and outline the general application of this reporter construct and its use in evaluating GLUT4 translocation within cultured adipocytes. PMID- 29218526 TI - GLUT4 Translocation in Single Muscle Cells in Culture: Epitope Detection by Immunofluorescence. AB - GLUT4 is the major glucose transporter in skeletal muscle. GLUT4 cycles to and from the plasma membrane and its exocytic rate is accelerated by insulin and muscle contraction to achieve a new steady state with more GLUT4 proteins at the muscle cell surface. To gain a better understanding of the molecular and cellular mechanisms that govern GLUT4 protein recycling, we developed an in vitro model in which myc-epitope-tagged GLUT4 or GLUT4-GFP is expressed in L6 skeletal muscle cells. The myc-epitope is inserted into an exofacial domain that is accessible to anti-myc antibodies from the outside of non-permeabilized cells, allowing one to count the number of transporters at the cell surface. This enables one to perform single-cell analysis using confocal fluorescence microscopy to quantify cell surface GLUT4myc or GLUT4myc-GFP in cells co-transfected with diverse cDNA constructs, treated with siRNAs, or co-stained with antibodies for other proteins of interest. Herein, we describe the methodology to perform these experimental approaches in insulin-stimulated L6 muscle cells. PMID- 29218527 TI - Glucose Transport: Methods for Interrogating GLUT4 Trafficking in Adipocytes. AB - In this chapter we detail methods for the systematic dissection of GLUT4 trafficking. The methods described have been optimized for cultured 3T3-L1 adipocytes, but can be readily adapted to other cell types. PMID- 29218528 TI - Proximity Ligation Assay to Study the GLUT4 Membrane Trafficking Machinery. AB - In this chapter a detailed protocol of proximity ligation assay (PLA) is described thoroughly. PLA is a technique that allows detection of protein associations in situ, providing a sensitive and selective approach for protein protein interaction studies. We demonstrate the technique by applying it for trafficking studies of the facilitative glucose transporter GLUT4. Trafficking of GLUT4 from perinuclear depots to the plasma membrane is regulated by insulin in adipocytes and muscle cells, and mediated by formation of functional SNARE complexes containing Syntaxin4, SNAP23, and VAMP2. The Sec1/Munc18 (SM) protein Munc18c also plays a key role in insulin-stimulated GLUT4 translocation via a series of different interactions with the SNARE complex and/or with the SNARE proteins individually. Studying the interactions that occur between SNARE proteins themselves and also with Munc18c in insulin-responsive cells is critical to further understand SNARE protein function and GLUT4 trafficking mechanism in general. PMID- 29218529 TI - Quantification of Cell-Surface Glucose Transporters in the Heart Using a Biotinylated Photolabeling Assay. AB - The biotinylated photolabeling assay enables quantification of cell-surface glucose transporters (GLUTs). This technique has been successfully applied to quantify the cell-surface GLUT protein content in striated muscles and adipose tissue, as a means to evaluate GLUT trafficking. Here, we describe the detailed method of quantifying the cell-surface content of several GLUT isoforms (1, 4, 8, and 12) in isolated cardiac myocytes, as well as in the intact perfused atria and ventricle. PMID- 29218530 TI - Tracking GLUT2 Translocation by Live-Cell Imaging. AB - The facilitative glucose transporter (GLUT) family plays a key role in metabolic homeostasis, controlling the absorption rates and rapid response to changing carbohydrate levels. The facilitative GLUT2 transporter is uniquely expressed in metabolic epithelial cells of the intestine, pancreas, liver, and kidney. GLUT2 dysfunction is associated with several pathologies, including Fanconi-Bickel syndrome, a glycogen storage disease, characterized by growth retardation and renal dysfunction. Interestingly, GLUT2 activity is modulated by its cellular localization. Membrane translocation specifically regulates GLUT2 activity in enterocytes, pancreatic beta-cells, hepatocytes, and proximal tubule cells. We have established a system to visualize and quantify GLUT2 translocation, and its dynamics, by live imaging of a mCherry-hGLUT2 fusion protein in polarized epithelial cells. This system enables testing of putative modulators of GLUT2 translocation, which are potential drugs for conditions of impaired glucose homeostasis and associated nephropathy. PMID- 29218531 TI - GLUT2-Expressing Neurons as Glucose Sensors in the Brain: Electrophysiological Analysis. AB - Brain glucose sensing plays an essential role in the regulation of energy homeostasis. Recent publications report that neurons expressing glucose transporter GLUT2 act as glucose sensors in different regions of the brain and contribute to the control of glucose homeostasis and feeding behavior. In this chapter we describe the methods used to explore glucose sensing in genetically tagged GLUT2-expressing neurons with slice electrophysiology. PMID- 29218532 TI - ? PMID- 29218533 TI - ? PMID- 29218536 TI - Site fidelity facilitates pair formation in aggregations of coral reef cardinalfish. AB - Colonial animals often form stable pair bonds, returning to the same site to breed with the same partner every year. Familiarity with both partner and breeding site has the potential to enhance an individual's reproductive success. However, it is often unknown whether the mating system arises because of site fidelity, mate fidelity or both. Here, observational and experimental studies are used to identify causal links between site fidelity and pair formation in a group living coral reef cardinalfish, Sphaeramia nematoptera. A long-term field tagging study was undertaken to quantify site and mate attachment. This was followed by both mate removal and mate transplant experiments to test whether the prolonged association with home sites was primarily because of mate or site fidelity. Adult S. nematoptera exhibited a prolonged association with home sites and partners, with some pairs lasting more than 4 months at the same site. A Bayesian mixed effect model showed that individuals in pairs were more likely to remain site attached, regardless of sex and maturity. Following mate removal, 78% of S. nematoptera found a new partner within 2 weeks on the same site, supporting the hypothesis that individuals primarily exhibit site fidelity. This was confirmed by the partner translocation experiment, with only 1 of 24 fish following their translocated partner to a new site. In these cardinalfish, strong site attachment facilitates long-lasting pair bonds, as well as new pair formation when necessary, suggesting that site rather than mate fidelity is the major driver of the reproductive system. PMID- 29218537 TI - Cumulative herbivory outpaces compensation for early floral damage on a monocarpic perennial thistle. AB - Floral herbivory represents a major threat to plant reproductive success, driving the importance of plant tolerance mechanisms that minimize fitness costs. However, the cumulative insect herbivory plants experience under natural conditions complicates predictions about tolerance contributions to net fitness. Apical damage can lead to compensatory seed production from late season flowering that ameliorates early season fitness losses. Yet, the compensation realized depends on successful development and herbivore escape by later season flowers. Using monocarpic perennial Cirsium canescens, we quantified seed-reproductive fitness of plants with vs. without experimental damage to the early-developing large apical flower head, with and without a 30-40% herbivory reduction on subsequent flower heads, for two flowering cohorts. Plants with reduced herbivory clearly demonstrated the release of apical dominance and compensation, not overcompensation, for apical damage via greater seed maturation by later flower heads. In contrast, plants that experienced ambient herbivory levels on subsequent heads undercompensated for early apical damage. Individuals had lower total seed set when the apical head was damaged. Compensation was, therefore, possible through a small increase in total flower heads, caused by a higher rate of floral bud survival, and a higher seed maturation rate by subsequent heads, leading to more viable seeds per matured flower head. With ambient cumulative floral herbivory, compensation for apical damage was not sufficient to improve fitness. Variation in the intensity of biological interactions played a role in the success of plant tolerance as a mechanism to maximize individual fitness. PMID- 29218538 TI - Belowground competition drives invasive plant impact on native species regardless of nitrogen availability. AB - Plant invasions and eutrophication are pervasive drivers of global change that cause biodiversity loss. Yet, how invasive plant impacts on native species, and the mechanisms underpinning these impacts, vary in relation to increasing nitrogen (N) availability remains unclear. Competition is often invoked as a likely mechanism, but the relative importance of the above and belowground components of this is poorly understood, particularly under differing levels of N availability. To help resolve these issues, we quantified the impact of a globally invasive grass species, Agrostis capillaris, on two co-occurring native New Zealand grasses, and vice versa. We explicitly separated above- and belowground interactions amongst these species experimentally and incorporated an N addition treatment. We found that competition with the invader had large negative impacts on native species growth (biomass decreased by half), resource capture (total N content decreased by up to 75%) and even nutrient stoichiometry (native species tissue C:N ratios increased). Surprisingly, these impacts were driven directly and indirectly by belowground competition, regardless of N availability. Higher root biomass likely enhanced the invasive grass's competitive superiority belowground, indicating that root traits may be useful tools for understanding invasive plant impacts. Our study shows that belowground competition can be more important in driving invasive plant impacts than aboveground competition in both low and high fertility ecosystems, including those experiencing N enrichment due to global change. This can help to improve predictions of how two key drivers of global change, plant species invasions and eutrophication, impact native species diversity. PMID- 29218539 TI - Carbon storage potential increases with increasing ratio of C4 to C3 grass cover and soil productivity in restored tallgrass prairies. AB - Long-term soil carbon (C) storage is essential for reducing CO2 in the atmosphere. Converting unproductive and environmentally sensitive agricultural lands to grasslands for bioenergy production may enhance C storage. However, a better understanding of the interacting effects of grass functional composition (i.e., relative abundance of C4 and C3 grass cover) and soil productivity on C storage will help guide sustainable grassland management. Our objective was to examine the relationship between grass functional composition and potential C storage and how it varies with potential soil productivity. We estimated C inputs from above- and belowground net primary productivity (ANPP and BNPP), and heterotrophic respiration (R H) to calculate net ecosystem production (NEP), a measure of potential soil C storage, in grassland plots of relatively high- and low-productivity soils spanning a gradient in the ratio of C4 to C3 grass cover (C4:C3). NEP increased with increasing C4:C3, but only in potentially productive soils. The positive relationship likely stemmed from increased ANPP, rather than BNPP, which was possibly related to efficient resource-use and physiological/anatomical advantages of C4 plants. R H was negatively correlated with C4:C3, possibly because of changes in microclimate or plant-microbe interactions. It is possible that in potentially productive soils, C storage can be enhanced by favoring C4 over C3 grasses through increased ANPP and BNPP and reduced R H. Results also suggest that potential C storage gains from C4 productivity would not be undermined by a corresponding increase in R H. PMID- 29218540 TI - Corporate Philanthropy Toward Community Health Improvement in Manufacturing Communities. AB - Virtually all large employers engage in corporate philanthropy, but little is known about the extent to which it is directed toward improving community health. We conducted in-depth interviews with leaders of corporate philanthropy from 13 of the largest manufacturing companies in the US to understand how giving decisions were made, the extent to which funding was directed towards improving community health, and whether companies coordinate with local public health agencies. We found that corporate giving was sizable and directed towards communities in which the manufacturers have a large presence. Giving was aligned with the social determinants of health (i.e., aimed at improving economic stability, the neighborhood and physical environment, education, food security and nutrition, the community and social context, and the health care system). However, improving public health was not often cited as a goal of corporate giving, and coordination with public health agencies was limited. Our results suggest that there may be opportunities for public health agencies to help guide corporate philanthropy, particularly by sharing community-level data and offering their measurement and evaluation expertise. PMID- 29218541 TI - Understanding Health, Violence, and Acculturation Among South Asian Women in the US. AB - The devastating effects of experiencing violence in childhood are seen well into adulthood. This has been particularly difficult to assess among South Asians living in the U.S., due to a lack of disaggregated data on this ethnic group. In a web-based survey administered to a convenience sample of South Asian women living in the U.S. (n = 535), information was gathered on experience/exposure to childhood violence; adult intimate partner violence; and adverse health outcomes, including ever suicide ideation/attempt, experiences of quality of life and body esteem in adulthood. Further, an individual's acculturation levels were measured specifically looking at cultural identity which was guided by Berry's biculturalism model. This study found that acculturation status is a key factor with respect to childhood verbal, physical, and sexual abuse, as well as body esteem and an individual's well-being. These results suggest that acculturation plays a key role for childhood violence, as well as key adult health indicators. The findings in this study, suggest that more research is warranted to better understand the complex relationships between acculturation status and health. While studies of South Asian immigrants have increased substantially, the study on how acculturation influences family violence and health outcomes has lagged behind. The findings in this study will provide guidance for future work in understanding how acculturation can play a key role in addressing the health and well-being of South Asian women in the U.S. PMID- 29218542 TI - Tracking Success: Outputs Versus Outcomes-A Comparison of Accredited and Non Accredited Public Health Agencies' Community Health Improvement Plan objectives. AB - With funding for public health initiatives declining, creating measurable objectives that are focused on tracking and changing population outcomes (i.e., knowledge, attitudes, or behaviors), instead of those that are focused on health agencies' own outputs (e.g., promoting services, developing communication messages) have seen a renewed focus. This study analyzed 4094 objectives from the Community Health Improvement Plans (CHIPs) of 280 local PHAB-accredited and non accredited public health agencies across the United States. Results revealed that accredited agencies were no more successful at creating outcomes-focused objectives (35% of those coded) compared to non-accredited agencies (33% of those coded; Z = 1.35, p = .18). The majority of objectives were focused on outputs (accredited: 61.2%; non-accredited: 63.3%; Z = 0.72, p = .47). Outcomes-focused objectives primarily sought to change behaviors (accredited: 85.43%; non accredited: 80.6%), followed by changes in knowledge (accredited: 9.75%; non accredited: 10.8%) and attitudes (accredited: 1.6%; non-accredited: 5.1%). Non accredited agencies had more double-barreled objectives (49.9%) compared to accredited agencies (32%; Z = 11.43, p < .001). The authors recommend that accreditation procedures place a renewed focus on ensuring that public health agencies strive to achieve outcomes. It is also advocated that public health agencies work with interdisciplinary teams of Health Communicators who can help them develop procedures to effectively and efficiently measure outcomes of knowledge and attitudes that are influential drivers of behavioral changes. PMID- 29218543 TI - Does Studying 'Ethics' Improve Engineering Students' Meta-Moral Cognitive Skills? AB - This study examines the assumption that training in professional ethics is a predictor of the meta-moral cognitive ability of engineering students. The main purpose of the study was to check the difference in the meta-moral cognitive abilities between those students who studied a course on professional ethics, as part of the engineering curriculum, and those who did not undertake such a course. Using the survey method, the author conducted a pilot study amongst 243 engineering undergraduates. The meta-moral cognitive awareness inventory developed on the basis of the meta-cognitive awareness inventory prepared by Schraw Gregory and Dennison Rayne Sperling was used to measure the meta-moral cognitive level of the respondents. The results show that there was a substantial difference in the meta-moral cognitive abilities between those students who studied professional ethics, and those who did not. The univariate analysis of variance of the collected data reveals a significant variance (p = .017). PMID- 29218544 TI - The Molecular Pathway Regulating Bergmann Glia and Folia Generation in the Cerebellum. AB - Evolution of complex behaviors in higher vertebrates and primates require the development of sophisticated neuronal circuitry and the expansion of brain surface area to accommodate the vast number of neuronal and glial populations. To achieve these goals, the neocortex in primates and the cerebellum in amniotes have developed specialized types of basal progenitors to aid the folding of their cortices. In the cerebellum, Bergmann glia constitute such a basal progenitor population, having a distinctive morphology and playing a critical role in cerebellar corticogenesis. Here, we review recent studies on the induction of Bergmann glia and their crucial role in mediating folding of the cerebellar cortex. These studies uncover a key function of FGF-ERK-ETV signaling cascade in the transformation of Bergmann glia from radial glia in the ventricular zone. Remarkably, in the neocortex, the same signaling axis operates to facilitate the transformation of ventricular radial glia into basal radial glia, a Bergmann glia like basal progenitor population, which have been implicated in the establishment of neocortical gyri. These new findings draw a striking similarity in the function and ontogeny of the two basal progenitor populations born in distinct brain compartments. PMID- 29218545 TI - A2B adenosine receptor agonist induces cell cycle arrest and apoptosis in breast cancer stem cells via ERK1/2 phosphorylation. AB - PURPOSE: It has been reported that cancer stem cells (CSCs) may play a crucial role in the development, recurrence and metastasis of breast cancer. Targeting signaling pathways in CSCs is considered to be a promising strategy for the treatment of cancer. Here, we investigated the role of the A2B adenosine receptor (A2BAR) and its associated signaling pathways in governing the proliferation and viability of breast cancer cell line derived CSCs. METHODS: CSCs were isolated from the breast cancer cell lines MCF-7 and MDA-MB-231 using a mammosphere assay. The effect of the A2BAR agonist BAY606583 on cell proliferation was evaluated using XTT and mammosphere formation assays, respectively. Apoptosis was assessed using Annexin-V staining and cell cycle analyses were performed using flow cytometry. The expression levels of Bax, Bcl-2, cyclin-D1, CDK-4 and (phosphorylated) ERK1/2 were assessed using Western blotting. RESULTS: Our data revealed that the breast cancer cell line derived mammospheres were enriched for CSCs. We also found that A2BAR stimulation with its agonist BAY606583 inhibited mammosphere formation and CSC viability. In addition, we found that the application of BAY606583 led to CSC cell cycle arrest and apoptosis through the cyclin-D1/Cdk-4 and Bax/Bcl-2 pathways, respectively. Notably, we found that BAY606583 significantly down-regulated ERK1/2 phosphorylation in the breast cancer cell line derived CSCs. CONCLUSIONS: From our results we conclude that A2BAR induces breast CSC cell cycle arrest and apoptosis through downregulation of the ERK1/2 cascade. As such, A2BAR may be considered as a novel target for the treatment of breast cancer. PMID- 29218546 TI - Establishing cut-off points with clinical relevance for bcl-2, cyclin D1, p16, p21, p27, p53, Sox11 and WT1 expression in glioblastoma - a short report. AB - PURPOSE: Glioblastoma (GBM) ranks among the most challenging cancers to treat and there is an urgent need for clinically relevant prognostic and diagnostic biomarkers. Here, we set out to investigate the expression of eight proteins (bcl 2, cyclin D1, p16, p21, p27, p53, Sox11 and WT1) in GBM with the specific aim to establish immunohistochemistry cut-off points with clinical relevance. METHODS: Immunohistochemistry (IHC) was used to examine protein expression in 55 surgical GBM specimens using H-scores, and IHC cut-off points were established using the Cutoff Finder web platform. Protein co-expression and its correlation with histopathological features were assessed, and cases were classified according to IDH1 mutation status. Survival curves were determined using Kaplan-Meier analyses. RESULTS: Clinical and molecular parameters found to be correlated with overall survival (OS) were tumor size (r = -0.278; p = 0.048), p53 (r = -0.452; p = 0.001), p16 (r = 0.351; p = 0.012) and Sox11 (r = 0.324; p = 0.020). In addition, we found that tumor size correlated with cyclin D1 (r = -0.282; p = 0.037), p53 (r = 0.269; p = 0.041), Sox11 (r = -0.309; p = 0.022) and WT1 (r = 0.372; p = 0.003). Variables found to be significantly associated with IDH1 mutation status were OS (p < 0.01), age (p < 0.01), cyclin D1 (p = 0.046), p16 (p = 0.019) and Sox11 (p = 0.012). Variables found to be significantly associated with a poor survival were tumor size >5 cm (p < 0.001), bcl-2 score > 40 (p = 0.034), cyclin D1 score <= 70 (p = 0.004), p16 score <= 130 (p = 0.005), p53 score > 20 (p = 0.003), Sox11 score <= 40 (p < 0.001) and WT1 score <= 270 (p = 0.02). CONCLUSIONS: Correlations between protein biomarkers and main clinical GBM variables were identified. The establishment of distinct biomarker cut-off points may enable clinicians and pathologists to better weigh their prognostic value. PMID- 29218548 TI - From mesophilic to thermophilic conditions: one-step temperature increase improves the methane production of a granular sludge treating agroindustrial effluents. AB - OBJECTIVES: To assess the effect of one-step temperature increase, from 35 to 55 degrees C, on the methane production of a mesophilic granular sludge (MGS) treating wine vinasses and the effluent of a hydrogenogenic upflow anaerobic sludge blanket (UASB) reactor. RESULTS: One-step temperature increase from mesophilic to thermophilic conditions improved methane production regardless of the substrate tested. The biomethane potentials obtained under thermophilic conditions were 1.8-2.9 times higher than those obtained under mesophilic conditions. The MGS also performed better than an acclimated thermophilic digestate, producing 2.2-2.5 times more methane than the digestate under thermophilic conditions. Increasing the temperature from 35 to 55 degrees C also improved the methane production rate of the MGS (up to 9.4 times faster) and reduced the lag time (up to 1.9 times). Although the temperature increase mediated a decrease in the size of the sludge granules, no negative effects on the performance of the MGS was observed under thermophilic conditions. CONCLUSIONS: More methane is obtained from real agroindustrial effluents at thermophilic conditions than under mesophilic conditions. One-step temperature increase (instead of progressive sequential increases) can be used to implement the thermophilic anaerobic digestion processes with MGS. PMID- 29218547 TI - Expression of Class I Histone Deacetylases in Ipsilateral and Contralateral Hemispheres after the Focal Photothrombotic Infarction in the Mouse Brain. AB - Histone acetylation and deacetylation are among the most important epigenetic processes that regulate gene expression. Nonselective inhibitors of histone deacetylases (HDAC) can protect brain cells during ischemia and stroke. However, which HDAC isoform is involved in this effect is unknown. Some isoforms of histone deacetylases (HDACs) protect brain cells after ischemia, whereas others can promote their death. Most studies consider early periods (1-24 h) after stroke, whereas little is known on the involvement of HDACs during recovery after stroke. In this study, cellular and intracellular rearrangement of class I HDACs (HDAC1, HDAC2, HDAC3, HDAC8) was investigated at late periods after photothrombotic infarction (PTI) of the mouse sensorimotor cortex in intact tissue that surrounds the ischemia core, in the corresponding region of the contralateral hemisphere, and in the hippocampus. Each HDAC isoform had a specific pattern of expression and intracellular distribution in neurons and astrocytes at different periods after the ischemia. We did not observe ischemia induced changes in the subcellular localization of HDACs under study. Three days after the PTI, the expression of HDAC2 was increased in neurons of the damaged hemisphere. The activity of HDAC2 and HDAC8 was elevated 7 days after the ischemia both in neurons and astrocytes of the studied brain structures; the activity of HDAC8 was also increased 14 days after the ischemia. It is notable that the expression of class I HDACs in the intact hemisphere changes in the same way as their expression in the living tissue of the damaged hemisphere. HDAC1 was found both in the nuclei and cytoplasm of the brain cells; HDAC2 was predominantly localized in the nuclei, and HDAC8 was predominantly observed in the cytoplasm. This in addition to the regulation of gene transcription indicates nontranscriptional activity of HDAC1 and HDAC8 during recovery of the brain tissue after the ischemia. HDAC2 and HDAC8 were identified as potential mediators in an early recovery period after stroke, suggesting that selective inhibitors and activators of HDACs can be considered for therapeutic approaches in this period. PMID- 29218549 TI - Accuracy and reliability of a subcutaneous continuous glucose monitoring device in critically ill patients. AB - Subcutaneous continuous glucose monitoring (CGM) may have benefits in achieving glycemic control in critically ill patients. The aim of this study was to assess the accuracy and reliability of the FreeStyle Navigator I in critically ill patients and to assess patient related factors influencing the accuracy and reliability. This study is a retrospective analysis of data from a randomized controlled trial conducted in a 20-bed mixed intensive care unit. Analytical accuracy, clinical accuracy and reliability were assessed against arterial blood glucose samples as reference. Assessment was according to recent consensus recommendations with median absolute relative difference (median ARD), Bland Altman plots, the ISO system accuracy standards (ISO 15197:2013) and Clarke error grid analysis (CEG). We analyzed 2840 paired measurements from 155 critically ill patients. The median ARD of all paired values was 13.3 [6.9-22.1]%. The median ARD was significantly higher in both the hypoglycemic and the hyperglycemic range (32.4 [12.1-53.4]% and 18.7 [10.7-28.3]% respectively, p < 0.001). The Bland Altman analysis showed a mean bias of - 0.82 mmol/L with a lower limit of agreement (LOA) of - 3.88 mmol/L and an upper LOA of 2.24 mmol/L. A total of 1626 (57.3%) values met the ISO-2013, standards and 1,334 (47%) CGM values were within 12.5% from the reference value. CEG: 71.0% zone A, 25.8% zone B, 0.5% zone C, 2.5% zone D, 0.3% zone E. The median overall real-time data display time was 94.0 +/- 14.9% and in 23% of the patients, the sensor measured < 95% of the time. Additionally, data gaps longer than 30 min were found in 48% of the patients. The analytical accuracy of the FreeStyle Navigator I in critically ill patients was suboptimal. Furthermore, the clinical accuracy, did not meet the required standards. The reliability was satisfactory, however, in almost a quarter of the patients the realtime data display was < 95%. The accuracy was considerably and significantly lower in hyper- and hypoglycemic ranges. PMID- 29218550 TI - Small Angle Scattering: Historical Perspective and Future Outlook. AB - Small angle scattering (SAS) is a powerful and versatile tool to elucidate the structure of matter at the nanometer scale. Recently, the technique has seen a tremendous growth of applications in the field of structural molecular biology. Its origins however date back to almost a century ago and even though the methods potential for studying biological macromolecules was realized already early on, it was only during the last two decades that SAS gradually became a major experimental technique for the structural biologist. This rise in popularity and application was driven by the concurrence of different key factors such as the increased accessibility to high quality SAS instruments enabled by the growing number of synchrotron facilities and neutron sources established around the world, the emerging need of the structural biology community to study large multi domain complexes and flexible systems that are hard to crystalize, and in particular the development and availability of data analysis software together with the overall access to computational resources powerful enough to run them. Today, SAS is an established and widely used tool for structural studies on bio macromolecules. Given the potential offered by the next generation X-ray and neutron sources as well as the development of new, innovative approaches to collect and analyze solution scattering data, the application of SAS in the field of structural molecular biology will certainly continue to thrive in the years to come. PMID- 29218551 TI - Sample and Buffer Preparation for SAXS. AB - In this book chapter, a practical approach for conducting small angle X-ray scattering (SAXS) experiments is given. Our aim is to guide SAXS users through a three-step process of planning, preparing and performing a basic SAXS measurement. The minimal requirements necessary to prepare samples are described specifically for protein and other macromolecular samples in solution. We address the very important aspects in terms of sample characterization using additional techniques as well as the essential role of accurately subtracting background scattering contributions. At the end of the chapter some advice is given for trouble-shooting problems that may occur during the course of the SAXS measurements. Automated pipelines for data processing are described which are useful in allowing users to evaluate the quality of the data 'on the spot' and consequently react to events such as radiation damage, the presence of unwanted sample aggregates or miss-matched buffers. PMID- 29218552 TI - Considerations for Sample Preparation Using Size-Exclusion Chromatography for Home and Synchrotron Sources. AB - The success of a SAXS experiment for structural investigations depends on two precise measurements, the sample and the buffer background. Buffer matching between the sample and background can be achieved using dialysis methods but in biological SAXS of monodisperse systems, sample preparation is routinely being performed with size exclusion chromatography (SEC). SEC is the most reliable method for SAXS sample preparation as the method not only purifies the sample for SAXS but also almost guarantees ideal buffer matching. Here, I will highlight the use of SEC for SAXS sample preparation and demonstrate using example proteins that SEC purification does not always provide for ideal samples. Scrutiny of the SEC elution peak using quasi-elastic and multi-angle light scattering techniques can reveal hidden features (heterogeneity) of the sample that should be considered during SAXS data analysis. In some cases, sample heterogeneity can be controlled using a small molecule additive and I outline a simple additive screening method for sample preparation. PMID- 29218553 TI - How to Analyze and Present SAS Data for Publication. AB - SAS is a powerful technique to investigate oligomeric state and domain organization of macromolecules, e.g. proteins and nucleic acids, under physiological, functional and even time resolved conditions. However, reconstructing three dimensional structures from SAS data is inherently ambiguous, as no information about orientation and phase is available. In addition experimental artifacts such as radiation damage, concentration effects and incorrect background subtraction can hinder the interpretation of even lead to wrong results. In this chapter, explanations on how to analyze data and how to assess and minimize the influence of experimental artifacts on the data. Furthermore, guidelines on how to present the resulting data and models to demonstrate the data supports the conclusion being made and that it is not biased by artifacts, will be given. PMID- 29218554 TI - Designing and Performing Biological Solution Small-Angle Neutron Scattering Contrast Variation Experiments on Multi-component Assemblies. AB - Solution small-angle neutron scattering (SANS) combined with contrast variation provides information about the size and shape of individual components of a multi component biological assembly, as well as the spatial arrangements between the components. The large difference in the neutron scattering properties between hydrogen and deuterium is key to the method. Isotopic substitution of deuterium for some or all of the hydrogen in either the molecule or the solvent can greatly alter the scattering properties of the biological assembly, often with little or no change to its biochemical properties. Thus, SANS with contrast variation provides unique information not easily obtained using other experimental techniques.If used correctly, SANS with contrast variation is a powerful tool for determining the solution structure of multi-component biological assemblies. This chapter discusses the principles of SANS theory that are important for contrast variation, essential considerations for experiment design and execution, and the proper approach to data analysis and structure modeling. As sample quality is extremely important for a successful contrast variation experiment, sample issues that can affect the outcome of the experiment are discussed as well as procedures used to verify the sample quality. The described methodology is focused on two component biological complexes. However, examples of its use for multi-component assemblies are also discussed. PMID- 29218555 TI - SAS-Based Structural Modelling and Model Validation. AB - Small angle scattering of X-rays (SAXS) and neutrons (SANS) is a structural technique to study disordered systems with chaotic orientations of scattering inhomogeneities at low resolution. An important example of such systems are solutions of biological macromolecules. Rapid development in the methodology for solution scattering data interpretation and model building during the last two decades brought the analysis far beyond the determination of just few overall structural parameters (which was the only possibility in the past) and ensured SAS a firm position in the methods palette of the modern life sciences. The advances in the methodology include ab initio approaches for shape and domain structure restoration from scattering curves without a priori structural knowledge, classification and validation of the models, evaluation of potential ambiguity associated with the reconstruction. In rigid body and hybrid modelling approaches, solution scattering is synergistically used with other structural techniques utilizing the complementary information such as atomic models of the components, intramolecular contacts, subunits orientations etc. for the reconstruction of complex systems. The usual requirement of the sample monodispersity has been loosed recently and the technique can now address such systems as weakly bound oligomers and transient complexes. These state-of-the-art methods are described together with the examples of their applications and the possible ways of post-processing of the models. PMID- 29218556 TI - Structural Characterization of Highly Flexible Proteins by Small-Angle Scattering. AB - Intrinsically Disordered Proteins (IDPs) are fundamental actors of biological processes. Their inherent plasticity facilitates very specialized tasks in cell regulation and signalling, and their malfunction is linked to severe pathologies. Understanding the functional role of disorder requires the structural characterization of IDPs and the complexes they form. Small-angle Scattering of X rays (SAXS) and Neutrons (SANS) have notably contributed to this structural understanding. In this review we summarize the most relevant developments in the field of SAS studies of disordered proteins. Emphasis is given to ensemble methods and how SAS data can be combined with computational approaches or other biophysical information such as NMR. The unique capabilities of SAS enable its application to extremely challenging disordered systems such as low-complexity regions, amyloidogenic proteins and transient biomolecular complexes. This reinforces the fundamental role of SAS in the structural and dynamic characterization of this elusive family of proteins. PMID- 29218557 TI - What Can We Learn from Wide-Angle Solution Scattering? AB - Extending collection of x-ray solution scattering data into the wide-angle regime (WAXS) can provide information not readily extracted from small angle (SAXS) data. It is possible to accurately predict WAXS scattering on the basis of atomic coordinate sets and thus use it as a means of testing molecular models constructed on the basis of crystallography, molecular dynamics (MD), cryo electron microscopy or ab initio modeling. WAXS data may provide insights into the secondary, tertiary and quaternary structural organization of macromolecules. It can provide information on protein folding and unfolding beyond that attainable from SAXS data. It is particularly sensitive to structural fluctuations in macromolecules and can be used to generate information about the conformational make up of ensembles of structures co-existing in solution. Novel approaches to modeling of structural fluctuations can provide information on the spatial extent of large-scale structural fluctuations that are difficult to obtain by other means. Direct comparison with the results of MD simulations are becoming possible. Because it is particularly sensitive to small changes in structure and flexibility it provides unique capabilities for the screening of ligand libraries for detection of functional interactions. WAXS thereby provides an important extension of SAXS that can generate structural and dynamic information complementary to that obtainable by other biophysical techniques. PMID- 29218558 TI - SAS-Based Studies of Protein Fibrillation. AB - Protein fibrillation is associated with a number of fatal amyloid diseases (e.g. Alzheimer's and Parkinson's diseases). From a structural point of view, the aggregation process starts from an ensemble of native states that convert into transiently formed oligomers, higher order assemblies and protofibrils and, finally, fibrils. The different species exist in equilibrium in solution leading to a high degree of sample heterogeneity. It is impossible to physically isolate any single species for structural analysis: separation will alter the equilibrium and potentially cause structural changes.Small angle scattering is an optimal method for structural studies of the fibrillation process in order to further the knowledge of the associated diseases. The recorded scattering data include the scattering contribution of all the species in solution and must be decomposed to enable structural modeling of the individual components involved during the fibrillation, notably without physical separation of the species. In this chapter we explain how to optimize a small angle scattering analysis of the fibrillation process and the basic principles behind analysis of the data. We include several practical tips and highlight existing reports, exemplifying the wealth of information that can be derived from the method. PMID- 29218559 TI - High Resolution Distance Distributions Determined by X-Ray and Neutron Scattering. AB - Measuring distances within or between macromolecules is necessary to understand the chemistry that biological systems uniquely enable. In performing their chemistry, biological macromolecules undergo structural changes over distances ranging from atomic to micrometer scales. X-ray and neutron scattering provide three key assets for tackling this challenge. First, they may be conducted on solutions where the macromolecules are free to sample the conformations that enable their chemistry. Second, there are few limitations on chemical environment for experiments. Third, the techniques can inform upon a wide range of distances at once. Thus scattering, particularly recorded at small angles (SAS), has been applied to a large variety of phenomenon. A challenge in interpreting scattering data is that the desired three dimensional distance information is averaged onto one dimension. Furthermore, the scales and variety of phenomenon interrogated have led to an assortment of functions that describe distances and changes thereof. Here we review scattering studies that characterize biological phenomenon at distances ranging from atomic to 50 nm. We also distinguish the distance distribution functions that are commonly used to describe results from these systems. With available X-ray and neutron scattering facilities, bringing the action that occurs at the atomic to the micrometer scale is now reasonably accessible. Notably, the combined distance and dynamic information recorded by SAS is frequently key to connecting structure to biological activity and to improve macromolecular design strategies and outcomes. We anticipate widespread utilization particularly in macromolecular engineering and time-resolved studies where many contrasting experiments are necessary for resolving chemical mechanisms through structural changes. PMID- 29218560 TI - A Successful Combination: Coupling SE-HPLC with SAXS. AB - A monodispersed and ideal solution is a central (unique?) requirement of SAXS to allow one to extract structural information from the recorded pattern. On-line Size Exclusion Chromatography (SEC) marked a major breakthrough, separating particles present in solution according to their size. Identical frames under an elution peak can be averaged and further processed free from contamination. However, this is not always straightforward, separation is often incomplete and software have been developed to deconvolve the contributions from the different species (molecules or oligomeric forms) within the sample. In this chapter, we present the general workflow of a SEC-SAXS experiment. We present recent instrumental and data analysis improvements that have improved the quality of recorded data, extended its potential and turn it into a mainstream approach. We describe into some details two specific applications of SEC-SAXS that provide more than just separating associated forms from the particle of interest. PMID- 29218561 TI - Applications of SANS to Study Membrane Protein Systems. AB - Small angle neutron scattering (SANS) is a powerful tool to obtain structural information on solubilized membrane proteins on the nanometer length-scale in complement to other structural biology techniques such as cryo-EM, NMR and SAXS. In combination with deuteration of components and/or contrast variation (H2O:D2O exchange in the buffer) SANS allows to separate structural information from the protein and the detergent/lipid parts in solution. After a short historical overview on results obtained by SANS on membrane protein systems, this book chapter introduces the basic theoretical principles of the technique as well as requirements on samples. The two introductory sections are followed by an illustration of the specific consequences of sample heterogeneity of solubilized membrane proteins in the presence of detergent/lipid molecules on the interpretation of structural information by using simple, geometric models. The next sections deal with more sophisticated modelling approaches including ab initio shape reconstructions and full-atomic models in the presence of detergent/lipid and specific results obtained by these approaches. After a short comparison with the SAXS technique, this book chapter concludes with an overview of present and future developments and impact that can be expected by SANS on membrane structural biology in the coming years. PMID- 29218562 TI - Hybrid Applications of Solution Scattering to Aid Structural Biology. AB - Biomolecular applications of solution X-ray and neutron scattering (SAXS and SANS, respectively) started in late 1960s - early 1970s but were relatively limited in their ability to provide a detailed structural picture and lagged behind what became the two primary methods of experimental structural biology - X ray crystallography and NMR. However, improvements in both data analysis and instrumentation led to an explosive growth in the number of studies that used small-angle scattering (SAS) for investigation of macromolecular structure, often in combination with other biophysical techniques. Such hybrid applications are nowadays quickly becoming a norm whenever scattering data are used for two reasons. First, it is generally accepted that SAS data on their own cannot lead to a uniquely defined high-resolution structural model, creating a need for supplementing them with information from complementary techniques. Second, solution scattering data are frequently applied in situations when a method such NMR or X-ray crystallography cannot provide a satisfactory structural picture, which makes these additional restraints highly desirable. Maturation of the hybrid bio-SAS approaches brings to light new questions including completeness of the conformational space sampling, model validation, and data compatibility. PMID- 29218563 TI - A Practical Guide to iSPOT Modeling: An Integrative Structural Biology Platform. AB - Integrative structure modeling is an emerging method for structural determination of protein-protein complexes that are challenging for conventional structural techniques. Here, we provide a practical protocol for implementing our integrated iSPOT platform by integrating three different biophysical techniques: small-angle X-ray scattering (SAXS), hydroxyl radical footprinting, and computational docking simulations. Specifically, individual techniques are described from experimental and/or computational perspectives, and complementary structural information from these different techniques are integrated for accurate characterization of the structures of large protein-protein complexes. PMID- 29218564 TI - Small Angle Scattering for Pharmaceutical Applications: From Drugs to Drug Delivery Systems. AB - The sub-nanometer scale provided by small angle neutron and X-ray scattering is of special importance to pharmaceutical and biomedical investigators. As drug delivery devices become more functionalized and continue decreasing in size, the ability to elucidate details on size scales smaller than those available from optical techniques becomes extremely pertinent. Information gathered from small angle scattering therefore aids the endeavor of optimizing pharmaceutical efficacy at its most fundamental level. This chapter will provide some relevant examples of drug carrier technology and how small angle scattering (SAS) can be used to solve their mysteries. An emphasis on common first-step data treatments is provided which should help clarify the contents of scattering data to new researchers. Specific examples of pharmaceutically relevant research on novel systems and the role SAS plays in these studies will be discussed. This chapter provides an overview of the current applications of SAS in drug research and some practical considerations for selecting scattering techniques. PMID- 29218565 TI - Alliance and Treatment Outcome in Family-Involved Treatment for Youth Problems: A Three-Level Meta-analysis. AB - Alliance has been shown to predict treatment outcome in family-involved treatment for youth problems in several studies. However, meta-analytic research on alliance in family-involved treatment is scarce, and to date, no meta-analytic study on the alliance-outcome association in this field has paid attention to moderating variables. We included 28 studies reporting on the alliance-outcome association in 21 independent study samples of families receiving family-involved treatment for youth problems (N = 2126 families, M age youth ranging from 10.6 to 16.1). We performed three multilevel meta-analyses of the associations between three types of alliance processes and treatment outcome, and of several moderator variables. The quality of the alliance was significantly associated with treatment outcome (r = .183, p < .001). Correlations were significantly stronger when alliance scores of different measurement moments were averaged or added, when families were help-seeking rather than receiving mandated care and when studies included younger children. The correlation between alliance improvement and treatment outcome just failed to reached significance (r = .281, p = .067), and no significant correlation was found between split alliances and treatment outcome (r = .106, p = .343). However, the number of included studies reporting on alliance change scores or split alliances was small. Our findings demonstrate that alliance plays a small but significant role in the effectiveness of family involved treatment. Future research should focus on investigating the more complex systemic aspects of alliance to gain fuller understanding of the dynamic role of alliance in working with families. PMID- 29218566 TI - Gastric neuroendocrine tumor arising from heterotopic pancreas. AB - There are few English reports on secondary tumors from heterotopic pancreas. Here, we describe a case of gastric neuroendocrine tumor (NET) arising from heterotopic pancreas. A 72-year-old woman underwent esophagogastroduodenoscopy as part of a general health check-up. An endoscopic examination revealed a submucosal tumor on the greater curvature of the gastric body. Laparoscopic and endoscopic cooperative surgery was performed. Histological diagnosis concluded that it was a Grade 1 NET arising from heterotopic pancreas. We report this extremely rare case of a NET presenting as a submucosal tumor, considered to have originated from heterotopic pancreatic tissue. PMID- 29218568 TI - Peer Education Group Intervention to Reduce Psychological Insulin Resistance: A Pilot Mixed-Method Study in a Chinese Population. AB - INTRODUCTION: Psychological insulin resistance (PIR) is common among type II diabetes (DM) patients. Although interventions to reduce PIR have been suggested, there is no standardized intervention to reduce PIR. This trial aimed to assess the preliminary effectiveness of a well-structured interventional patient group (for sample size calculation for larger trials), as well as the acceptability and feasibility of this intervention group. METHODS: This study used a quasi experimental, mixed-method approach. Fifty-three patients with DM were recruited to an interventional group that included a general education of DM and insulin, an insulin pen demonstration, and an insulin-using peer sharing session. Each group consisted of around 15 participants and lasted for 2 h each. The validated Chinese version of the insulin treatment appraisal scale (C-ITAS) was administered before, immediately after, and 1 month after the intervention to measure any changes in the participants' PIR. Patients were interviewed to assess the acceptability of the intervention until data saturation. RESULTS: Repeated measures ANOVA showed that the post-intervention C-ITAS scores (immediately post group and at 1 month) were lower than the pre-intervention C-ITAS scores (p < 0.001). Changes in multiple attitudes toward insulin were detected before and after the group intervention. Ten patient interviews were conducted and found that the intervention was welcomed by all interviewees; no discomfort or adverse reactions were reported. CONCLUSION: Preliminary results showed that patient intervention groups with general education, insulin pen demonstration, and peer sharing appeared to be safe, acceptable, and effective in reducing PIR. Larger multicenter trials are needed to generalize these findings. PMID- 29218569 TI - Toxin positivity and tcdB gene load in broad-spectrum Clostridium difficile infection. AB - PURPOSE: This study aimed to evaluate the clinical significance of toxin positivity and toxin gene load, and the relation between them in the broad spectrum of Clostridium difficile infection (CDI) including colonization, significant diarrhea, and severe disease. METHODS: We included 2671 fecal samples submitted for CDI diagnosis and 180 samples from healthy individuals. The clinical spectrum was categorized as category I (toxigenic C. difficile positive without clinical CDI criteria), category II (mild CDI), and category III (severe CDI). Clinical parameters were compared based on toxin EIA and tcdB C t values. C t values of tcdB PCR for predicting toxin EIA positivity were assessed using receiver-operating characteristic (ROC) curves. RESULTS: The median C t values of tcdB PCR and toxin positivity were not significantly correlated with clinical spectrum of CDI (27.5, 28.2, and 26.1 for tcdB C t and 55.0, 56.6, and 60.9% for toxin EIA positivity in category I, II, and III, respectively, P > 0.05). There were significant differences in the tcdB C t values between toxin EIA-positive and -negative groups (P < 0.001). Optimal cutoff for the tcdB C t value for estimating toxin EIA positivity was 26.3 with 79.3% sensitivity and 83.6% specificity with good area under the curves (AUC, 0.848). CONCLUSIONS: The C t values successfully predicted toxin EIA positivity and could be used as a surrogate for toxin EIA positivity in the diagnostic algorithm and routine analysis. Further studies are needed to validate the clinical significance of tcdB PCR C t value in toxigenic C. difficile colonization and infection. PMID- 29218570 TI - Pure correlates of exploration and exploitation in the human brain. AB - Balancing exploration and exploitation is a fundamental problem in reinforcement learning. Previous neuroimaging studies of the exploration-exploitation dilemma could not completely disentangle these two processes, making it difficult to unambiguously identify their neural signatures. We overcome this problem using a task in which subjects can either observe (pure exploration) or bet (pure exploitation). Insula and dorsal anterior cingulate cortex showed significantly greater activity on observe trials compared to bet trials, suggesting that these regions play a role in driving exploration. A model-based analysis of task performance suggested that subjects chose to observe until a critical evidence threshold was reached. We observed a neural signature of this evidence accumulation process in the ventromedial prefrontal cortex. These findings support theories positing an important role for anterior cingulate cortex in exploration, while also providing a new perspective on the roles of insula and ventromedial prefrontal cortex. PMID- 29218571 TI - Culturable Endophytic Bacteria of Ginger Rhizome and their Remarkable Multi-trait Plant Growth-Promoting Features. AB - Functional contribution of endophytic bacteria towards plant growth is highly impressive due to their species diversity and array of probiotic mechanisms. In the study, 96 endophytic bacteria isolated from rhizome of ginger (Zingiber officinale) were screened for phosphate solubilisation, 1-amino cyclopropane-1 carboxylate (ACC) deaminase activity, nitrogen fixation, ammonia and IAA production. Among these, sixteen endophytes with multiple plant growth-promoting activities were identified by 16S rDNA sequencing and all of them showed growth enhancement in Vigna unguiculata var Lola which make the study remarkably significant. The result was a clear indication of consistent, reliable and broad spectrum plant probiotic features of all the selected isolates. However, strain specific effects on soil parameters represent the unique and distinguishable role of each of the selected isolates in the chemobiology of ginger rhizome. The study provided deeper insight into microbiomics of ginger rhizome with its agricultural promises. PMID- 29218572 TI - Complete genome sequence of a new strain of Lagenaria siceraria endornavirus from China. AB - An RNA virus tentatively named Lagenaria siceraria endornavirus-Hubei (LsEV-HuB) was isolated from Lagenaria siceraria var. hispida in Hubei, China. The LsEV-HuB genome consists of 15,098 bp and contains a single open reading frame (ORF) encoding a large protein with several conserved domains, including one helicase domain, one glycosyltransferase domain, two capsular polysaccharide synthesis protein (CPS) domains, and one RNA-dependent RNA polymerase (RdRp) domain. LsEV HuB has nucleotide and amino acid sequence identities of 72.96% and 77.95%, respectively, to Lagenaria siceraria endornavirus-California (LsEV-CA), the closest relative of LsEV-HuB. PMID- 29218573 TI - Dual neutralization of TNFR-2 and MMP-2 regulates the severity of S. aureus induced septic arthritis correlating alteration in the level of interferon gamma and interleukin-10 in terms of TNFR2 blocking. AB - Severity of S. aureus septic arthritis is correlated to prolonged inflammation by inflammatory cytokines like TNF-alpha, IL-1beta, and IL-6 even after successful elimination of bacteria. Role of TNF-alpha via TNFR2 is not well established in this aspect. IFN-gamma induces TNF-alpha release from the macrophages augmenting the inflammatory arthritis. IL-10 modulates the levels of pro-inflammatory cytokines promoting resolution of inflammation. TNF-alpha-TNFR2 signaling upregulates both of these cytokines. Higher level of MMP-2 induction by inflammatory cytokines during arthritis promotes tissue destruction. Whether dual neutralization of TNFR-2 and MMP-2 regulates the severity of S. aureus arthritis by modulating local and systemic cytokine milieu mainly due to TNFR-2 blocking was an obvious question. Here, we attempted the effects of neutralization of MMP 2 and TNFR2 on S. aureus arthritis and its impact on pro-inflammatory cytokines and some other parameters related to tissue destruction. Reduction in arthritis index was noticed in infected mice treated with both MMP-2 inhibitor and TNFR2 antibody. Lowest levels of inflammatory cytokines, iNOS, RANKL, NF-kappab, JNK kinase, ROS, and MPO, and lysozyme activity were observed in combined neutralization group at 9 and 15 dpi, but at 3 dpi, most of the above parameters remained elevated due to TNFR2 neutralization. Diminished IL-10 and IFN-gamma levels as a result of TNFR2 neutralization at early and later phase of infection respectively might be responsible for these contrasting effects. Overall, it can be suggested that administration of MMP-2 inhibitor and TNFR2 antibody in combination is protective against the inflammation and tissue destruction associated with S. aureus infection during the arthritic episode. PMID- 29218574 TI - Tracking long-distance atmospheric deposition of trace metal emissions from smelters in the upper Columbia River valley using Pb isotope analysis of lake sediments. AB - Heavy metal discharge from mining and smelting operations into aquatic ecosystems can cause long-term biological and ecological impacts. The upper Columbia River is highly contaminated with heavy metal wastes from nearby smelting operations in Trail, British Columbia, Canada, and to a lesser extent, Northport (Le Roi smelter), Washington, USA. Airborne emissions from the Trail operations were historically and are currently transported by prevailing winds down the Columbia River canyon, where particulate metals can be deposited into lakes and watersheds. In lakes, sediment cores contain records of past environmental conditions, providing a timeline of fundamental chemical and biological relationships within aquatic ecosystems, including records of airborne metal depositions. We analyzed trace metal concentrations (Ni, Cd, Zn, As, Cu, Sb, Pb, Hg) and Pb isotope compositions of sediment cores from six remote eastern Washington lakes to assess potential sources of atmospheric heavy metal deposition. Sediment cores displayed evidence to support trace metal loading as a direct consequence of smelting operations in Trail. Smelter contamination was detected 144 km downwind of the Trail Smelter. Cd, Sb, Pb (p < 0.001), and to a lesser extent As and Hg (p < 0.05) concentrations were correlated with Pb isotope compositions, suggesting that the Trail operations were likely the main source for these trace metals. PMID- 29218575 TI - Flow evaluation of the leaching hazardous materials from spent nickel-cadmium batteries discarded in different water surroundings. AB - The leaching characteristics of hazardous materials from Ni-Cd batteries immersed in four typical water samples, i.e., water with NaCl, river water, tap water, and deionized water, were investigated to evaluate the potential environmental harm of spent Ni-Cd batteries in the water surroundings. It is shown that four water surroundings all could leach hazardous materials from the Ni-Cd batteries. The water with NaCl concentration of 66.7 mg L-1 had the highest leaching ability, the hazardous materials were leached after only approximately 50 days (average time, with a standard deviation of 4.1), while less than 100 days were needed in the others. An electrochemical corrosion is considered to be the main leaching mechanism leading to battery breakage, while the dissolution-deposition process and the powder route result in the leakage and transference of nickel and cadmium materials from the electrodes. The anions, i.e., SO42- and Cl-, and dissolved oxygen in water were demonstrated to be the vital factors that influence the leaching processes. Thus, it is proposed that spent Ni-Cd batteries must be treated properly to avoid potential danger to the environment. PMID- 29218576 TI - MOF/graphene oxide composite as an efficient adsorbent for the removal of organic dyes from aqueous solution. AB - The metal-organic frameworks (MOFs) MIL-100(Fe) and graphene oxide (GO) composites were prepared by hydrothermal method and characterized by X-ray diffraction (XRD), nitrogen adsorption/desorption, thermal-gravimetric (TG) analysis, the Fourier Transform Infrared Spectroscopy (FTIR), and scanning electron microscopy (SEM). The composites were used for the adsorption of methylene blue (MB) and methyl orange (MO) in aqueous solution. The results indicated that MIL-100(Fe) and GO formed a sandwich-like structure, and the crystal structure of MIL-100(Fe) was reserved in the composites. The attachment of GO layers to the MIL-100(Fe) decreased the surface area from 1690 to 1602 m2/g, and pore volume from 0.996 to 0.770 cm3/g when 5% (w/w) GO was added, due to the coating of MIL-100(Fe) by GO sheets. The addition of 5% (w/w) GO increased the adsorption capacity for MB (from 1019 to 1231 mg/g) and MO (from 667 to 1189 mg/g). The composites showed a better thermal stability than MIL-100(Fe); the decomposition temperature increased from 280 to 350 degrees C. The addition of GO improved the properties of MIL-100(Fe) as an adsorbent for MO/MB from aqueous solution. PMID- 29218577 TI - Street foods exacerbate effects of the environmental burden of polycyclic aromatic hydrocarbons (PAHs) in Nigeria. AB - Polycyclic aromatic hydrocarbons (PAHs) are a large group of well-known toxicants with carcinogenic potential and other health effects including on the immune system. The high health risks of non-communicable diseases and relevant comorbidities in Africa, particularly in contaminated areas like e-waste and crude oil and gas exploration areas and for high consumers of food commodity groupings which are most critical for PAH exposure, are exacerbated by dietary exposure due to unsafe practices in commonly consumed foods, like those street vended.In February 2016, 20 commonly consumed street foods were purchased directly from vendors at major bus stops in Benin City and Umunede in Nigeria. The concentration of 16 priority PAHs was determined. The dietary intake of B[a]P, ?PAH, PAH4, PAH8, and ?B(a)Peq was estimated for children, peripubertal children/adolescent, and adult using the total diet study (TDS) method. Among the analyzed PAHs, there was a predominance of chrysene (17.42 MUg/kg). Roasted yam (14.15 MUg/kg) and fried fish (1.40 MUg/kg) had the highest levels of ?PAH and B[a]P, respectively. The mean concentration of B[a]P, ?PAH, PAH4, PAH8, and ?B(a)Peq ranged from 0.65-1.40 MUg/kg, 0.20-14.15 MUg/kg, 0.43-5.22 MUg/kg, 0.13 7.88 MUg/kg, and 0.002-2.123 MUg/kg, respectively. The mean concentration of B[a]P and PAH4 reported in this study was below the maximum allowable levels of 5 and 12 MUg/kg for adults and above the maximum levels for young children set at 1.0 MUg/kg for both B[a]P and PAH4 in food. The estimated dietary intake of B[a]P, ?PAH, PAH4, PAH8, and ?B(a)Peq for adult, adolescent, and children was 0.56, 0.37, and 0.31 MUg/day; 17.6, 10.7, and 8.81 MUg/day; 5.78, 4.01, and 3.26 MUg/day; 9.22, 6.19, and 5.09 MUg/day; and 1.72, 0.97, and 0.82 MUg/day, respectively.Street foods represent one important source of PAHs. The exposure occurring through street food compounds with that from home-made foods, environmental pollution, and lifestyle (tobacco smoke) is making up an aggregate daily exposure in the general population.The incremental lifetime cancer risk for adults and children from the consumption of street food was 7.6 * 10-8 and 2.1 * 10-8, respectively. Along with initiatives to manage environmental contamination and promote healthier lifestyle, people should be empowered on healthy cooking practices and safe food cookery environments. PMID- 29218578 TI - Biomimetic synthesis of silver nanoparticles using flower extract of Bauhinia purpurea and its antibacterial activity against clinical pathogens. AB - In the present study, we have reported an eco-friendly, rapid, and simple method for the synthesis of silver nanoparticles (AgNPs) using Bauhinia purpurea flower extract as non-toxic bioreducing agent. The formation of AgNPs was confirmed by UV-visible spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy and energy-dispersive spectroscopy (SEM-EDS), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD). The synthesized AgNPs were spherical in shape with an average size of 20 nm. Furthermore, the antibacterial activities of the synthesized AgNPs (2-10 mM) against clinical pathogens, Klebsiella sp. and Staphylococcus sp., were evaluated under in vitro conditions. PMID- 29218579 TI - Assessment of debris inputs from land into the river in the Three Gorges Reservoir Area, China. AB - Riverine debris in the Three Gorges Reservoir Area (TGRA) poses a threat to electricity generation, ship navigation, and water environment. Quantifying riverine debris inputs from land into the river is a foundation for modeling of the transport and accumulation of floating debris on the water surface in the TGRA. However, this has not been researched to date. In this study, debris inputs from land into the river in the TGRA were assessed according to the response relationship between debris inputs and surface runoff. The land-based debris inputs in the TGRA were estimated using simulated surface runoff which was simulated by the Soil and Water Assessment Tool (SWAT) model. Results showed that 15.32 * 106 kg of land-based debris was inputted into the main channel of the TGRA in 2015 which accounted for 9.74% of total debris inputs (the monitoring data of river-sourced and land-sourced debris inputs was 157.27 * 106 kg). Debris inputs varied seasonally and peaked in the summer season (July to September). Compared with monthly measured data, the average relative errors in 2015 were below 30%. In addition, areas with higher debris pollution inputs were mainly located in the upper section of the TGRA, between the Tang River Basin and the Long River Basin. The proposed method was tested and determined to be reliable; thus, it can be used to quickly estimate debris inputs from land into the river by surface runoff of the outlets in a river basin. Moreover, this method provides new insight into the estimation of land-based debris inputs into rivers. PMID- 29218580 TI - Potential vulnerability of oak forests to climate change-induced flooding: effects of mild oxygen deficiency on Quercus robur and Quercus petraea seedling physiology. AB - Flooding is characterized by saturation of soil pores with water, leading to hypoxic conditions which affect plant root development and metabolism. We investigated the oxygen deficiency tolerance observed in Quercus robur and Quercus petraea and seek to understand whether it can be explained by enhanced efficiency in oxygen use in the roots, as estimated through radial oxygen loss visualization in relation to growth measurements and root apex respiration. The study showed that root growth, under oxygen deficiency conditions, was significantly reduced only in Q. robur seedlings. Root respiration was maintained in Q. robur, whereas it was decreased in Q. petraea. Both species set up a barrier against radial oxygen loss, though measurement of apex oxygen leakage showed greater oxygen efficiency in Q. robur seedlings. This strategy might allow Q. robur to maintain its respiration and thus to survive longer under oxygen deficiency conditions by facilitating the seedling establishment in transient flooded soils. PMID- 29218581 TI - Fabrication of Tip-Dissolving Microneedles for Transdermal Drug Delivery of Meloxicam. AB - Dissolving microneedles (MNs) offered a simple, minimally invasive method for meloxicam (MX) delivery to the skin. However, the fabrication of dissolving MNs still faced some challenges, such as significant time consumption, loss of drug activity, and difficulty in regulating MN drug loading. To address these issues, we developed the tip-dissolving (TD) MNs. Several kinds of drugs were encapsulated successfully, and the quantity of MX ranged from 37.23 +/- 8.40 to 332.53 +/- 13.37 MUg was precisely controlled. The effects of fabrication process on biomacromolecules stability were studied, and it was found that tyrosinase kept 90.4% activity during the fabrication process. The whole process for the fabrication of MNs only takes approximately 1 h. In order to further evaluate the potential of the TD MNs, MX TD MNs were prepared for in vitro release experiments, in vivo release experiments, safety evaluation, pharmacokinetic studies, and pharmacodynamic studies. The results demonstrated that MX TD MNs offered several advantages, including rapid release of the encapsulated drug (91.72% within 30 min), efficient drug delivery to skin (79.18%), no obvious skin irritation, decent relative bioavailability (122.3%), and strong anti inflammatory and analgesic effects. Based on these results, we envisage that the TD MNs have promising potential for transdermal drug delivery of MX. PMID- 29218582 TI - Application of Fluorescence Emission for Characterization of Albendazole and Ricobendazole Micellar Systems: Elucidation of the Molecular Mechanism of Drug Solubilization Process. AB - Albendazole (ABZ) and ricobendazole (RBZ) are referred to as class II compounds in the Biopharmaceutical Classification System. These drugs exhibit poor solubility, which profoundly affects their oral bioavailability. Micellar systems are excellent pharmaceutical tools to enhance solubilization and absorption of poorly soluble compounds. Polysorbate 80 (P80), poloxamer 407 (P407), sodium cholate (Na-C), and sodium deoxycholate (Na-DC) have been selected as surfactants to study the solubilization process of these drugs. Fluorescence emission was applied in order to obtain surfactant/fluorophore (S/F) ratio, critical micellar concentration, protection efficiency of micelles, and thermodynamic parameters. Systems were characterized by their size and zeta potential. A blue shift from 350 to 345 nm was observed when ABZ was included in P80, Na-DC, and Na-C micelles, while RBZ showed a slight change in the fluorescence band. P80 showed a significant solubilization capacity: S/F values were 688 for ABZ at pH 4 and 656 for RBZ at pH 6. Additionally, P80 micellar systems presented the smallest size (10 nm) and their size was not affected by pH change. S/F ratio for bile salts was tenfold higher than for the other surfactants. Quenching plots were linear and their constant values (2.17/M for ABZ and 2.29/M for RBZ) decreased with the addition of the surfactants, indicating a protective effect of the micelles. Na DC showed better protective efficacy for ABZ and RBZ than the other surfactants (constant values 0.54 and 1.57/M, respectively), showing the drug inclusion into the micelles. Entropic parameters were negative in agreement with micelle formation. PMID- 29218583 TI - Promising Antibacterial Effects of Silver Nanoparticle-Loaded Tea Tree Oil Nanoemulsion: a Synergistic Combination Against Resistance Threat. AB - Highly resistant pathogens may be developed in patients with immune disorders after prolonged exposure to antibiotics, a growing threat worldwide. In order to overcome these problems, this study introduces a new class of engineered nanosystems comprising of tea tree oil nanoemulsion (TTO NE) loaded with Ag nanoparticles (NPs). Silver shows a strong toxicity towards a wide range of microorganisms. Also, TTO NE could be employed as a promising and safe antimicrobial agent for local therapies of bacterial infections. The nanosystem was prepared by low-energy method. Mean droplet size of the NE was found to be 17.7 nm. Results of the antibacterial assays showed promising ability of the designed nanosystem for eradication of Gram-positive and Gram-negative bacteria (95%). Also, it was shown that introducing colloidal Ag NPs to the TTO NE exerted a synergistic effect against Escherichia coli (FIC 0.48) while only an additive effect was observed against Staphylococcus aureus (FIC 0.75). The antibacterial effects of TTO NE+Ag NPs together with their compatibility with human cells can present them as a suitable candidate to fight against the antibacterial resistance threat. PMID- 29218584 TI - Trajectory analysis of discrete goal-directed pointing movements: How many trials are needed for reliable data? AB - A powerful tool in motor behavior research is trajectory analysis of discrete goal-directed pointing movements. The purpose of the present analysis was to estimate the minimum number of trials per participant required to achieve the conventional level of reliability for trajectory analysis. We analyzed basic measurements of movement and three common methods of trajectory analysis within the framework of generalizability theory. Generalizability studies were used to decompose the total variance of these variables into the percent contributions from person, trial, and the person-by-trial interaction. Decision studies were then used to determine the minimum number of trials required to achieve the conventional level of reliability. The number of trials per participant needed for reliable data of discrete goal-directed pointing movements depended on the dependent variable-for example, reaction times required six or ten trials, movement times required three trials, and constant error required 47 trials. For trajectory analysis, ten or fewer trials were required for reliable dependent variables during the first half of the movement (up to peak velocity or 70% of the displacement). The number of trials required for the second half of the movement rapidly increased to 47 trials at movement termination. This increase in the number of trials required for reliable analysis of the second half of the movement was indicative of online control. Finally, correlation analysis was performed with simulated correlations on subsets of trials, and all 32 trials were required. However, 18 trials might be used without a practically significant change in the correlations. PMID- 29218585 TI - Analyzing the kinematics of hand movements in catching tasks-An online correction analysis of movement toward the target's trajectory. AB - Free, 3-D interceptive movements are difficult to visualize and quantify. For ball catching, the endpoint of a movement can be anywhere along the target's trajectory. Furthermore, the hand may already have begun to move before the subject has estimated the target's trajectory, and the subject may alter the targeted position during the initial part of the movement. We introduce a method to deal with these difficulties and to quantify three movement phases involved in catching: the initial, non-goal-directed phase; the goal-directed phase, which is smoothly directed toward the target's trajectory; and the final, interception phase. Therefore, the 3-D movement of the hand was decomposed into a component toward the target's trajectory (the minimal distance of the hand to the target's parabolic [MDHP] trajectory) and a component along this trajectory. To identify the goal-directed phase of the MDHP trajectory, we employed the empirical finding that goal-directed trajectories are minimally jerky. The second component, along the target's trajectory, was used to analyze the interaction of the hand with the ball. The method was applied to two conditions of a ball-catching task. In the manipulated condition, the initial part of the ball's flight was occluded, so the visibility of the ball was postponed. As expected, the onset of the smooth part of the movement shifted to a later time. This method can be used to quantify anticipatory behavior in interceptive tasks, allowing researchers to gain new insights into movement planning toward the target's trajectory. PMID- 29218586 TI - Nonparametric tests for equality of psychometric functions. AB - Many empirical studies measure psychometric functions (curves describing how observers' performance varies with stimulus magnitude) because these functions capture the effects of experimental conditions. To assess these effects, parametric curves are often fitted to the data and comparisons are carried out by testing for equality of mean parameter estimates across conditions. This approach is parametric and, thus, vulnerable to violations of the implied assumptions. Furthermore, testing for equality of means of parameters may be misleading: Psychometric functions may vary meaningfully across conditions on an observer-by observer basis with no effect on the mean values of the estimated parameters. Alternative approaches to assess equality of psychometric functions per se are thus needed. This paper compares three nonparametric tests that are applicable in all situations of interest: The existing generalized Mantel-Haenszel test, a generalization of the Berry-Mielke test that was developed here, and a split variant of the generalized Mantel-Haenszel test also developed here. Their statistical properties (accuracy and power) are studied via simulation and the results show that all tests are indistinguishable as to accuracy but they differ non-uniformly as to power. Empirical use of the tests is illustrated via analyses of published data sets and practical recommendations are given. The computer code in MATLAB and R to conduct these tests is available as Electronic Supplemental Material. PMID- 29218587 TI - Facial expression analysis with AFFDEX and FACET: A validation study. AB - The goal of this study was to validate AFFDEX and FACET, two algorithms classifying emotions from facial expressions, in iMotions's software suite. In Study 1, pictures of standardized emotional facial expressions from three databases, the Warsaw Set of Emotional Facial Expression Pictures (WSEFEP), the Amsterdam Dynamic Facial Expression Set (ADFES), and the Radboud Faces Database (RaFD), were classified with both modules. Accuracy (Matching Scores) was computed to assess and compare the classification quality. Results show a large variance in accuracy across emotions and databases, with a performance advantage for FACET over AFFDEX. In Study 2, 110 participants' facial expressions were measured while being exposed to emotionally evocative pictures from the International Affective Picture System (IAPS), the Geneva Affective Picture Database (GAPED) and the Radboud Faces Database (RaFD). Accuracy again differed for distinct emotions, and FACET performed better. Overall, iMotions can achieve acceptable accuracy for standardized pictures of prototypical (vs. natural) facial expressions, but performs worse for more natural facial expressions. We discuss potential sources for limited validity and suggest research directions in the broader context of emotion research. PMID- 29218588 TI - Threats to the validity of eye-movement research in psychology. AB - Eyetracking research in psychology has grown exponentially over the past decades, as equipment has become cheaper and easier to use. The surge in eyetracking research has not, however, been equaled by a growth in methodological awareness, and practices that are best avoided have become commonplace. We describe nine threats to the validity of eyetracking research and provide, whenever possible, advice on how to avoid or mitigate these challenges. These threats concern both internal and external validity and relate to the design of eyetracking studies, to data preprocessing, to data analysis, and to the interpretation of eyetracking data. PMID- 29218589 TI - StimulStat: A lexical database for Russian. AB - In this article, we present StimulStat - a lexical database for the Russian language in the form of a web application. The database contains more than 52,000 of the most frequent Russian lemmas and more than 1.7 million word forms derived from them. These lemmas and forms are characterized according to more than 70 properties that were demonstrated to be relevant for psycholinguistic research, including frequency, length, phonological and grammatical properties, orthographic and phonological neighborhood frequency and size, grammatical ambiguity, homonymy and polysemy. Some properties were retrieved from various dictionaries and are presented collectively in a searchable form for the first time, the others were computed specifically for the database. The database can be accessed freely at http://stimul.cognitivestudies.ru . PMID- 29218590 TI - Measuring and testing the agreement of matrices. AB - The problem of comparing the agreement of two n * n matrices has a variety of applications in experimental psychology. A well-known index of agreement is based on the sum of the element-wise products of the matrices. Although less familiar to many researchers, measures of agreement based on within-row and/or within column gradients can also be useful. We provide a suite of MATLAB programs for computing agreement indices and performing matrix permutation tests of those indices. Programs for computing exact p-values are available for small matrices, whereas resampling programs for approximate p-values are provided for larger matrices. PMID- 29218592 TI - Mathematical Modeling of the Effects of Tumor Heterogeneity on the Efficiency of Radiation Treatment Schedule. AB - Radiotherapy uses high doses of energy to eradicate cancer cells and control tumors. Various treatment schedules have been developed and tried in clinical trials, yet significant obstacles remain to improving the radiotherapy fractionation. Genetic and non-genetic cellular diversity within tumors can lead to different radiosensitivity among cancer cells that can affect radiation treatment outcome. We propose a minimal mathematical model to study the effect of tumor heterogeneity and repair in different radiation treatment schedules. We perform stochastic and deterministic simulations to estimate model parameters using available experimental data. Our results suggest that gross tumor volume reduction is insufficient to control the disease if a fraction of radioresistant cells survives therapy. If cure cannot be achieved, protocols should balance volume reduction with minimal selection for radioresistant cells. We show that the most efficient treatment schedule is dependent on biology and model parameter values and, therefore, emphasize the need for careful tumor-specific model calibration before clinically actionable conclusions can be drawn. PMID- 29218593 TI - [Colonic stent as bridge to surgery versus emergency resection in patients with malignant colonic stenosis]. PMID- 29218591 TI - Model-Based Phenotypic Signatures Governing the Dynamics of the Stem and Semi differentiated Cell Populations in Dysplastic Colonic Crypts. AB - Mathematical modeling of cell differentiated in colonic crypts can contribute to a better understanding of basic mechanisms underlying colonic tissue organization, but also its deregulation during carcinogenesis and tumor progression. Here, we combined bifurcation analysis to assess the effect that time delay has in the complex interplay of stem cells and semi-differentiated cells at the niche of colonic crypts, and systematic model perturbation and simulation to find model-based phenotypes linked to cancer progression. The models suggest that stem cell and semi-differentiated cell population dynamics in colonic crypts can display chaotic behavior. In addition, we found that clinical profiling of colorectal cancer correlates with the in silico phenotypes proposed by the mathematical model. Further, potential therapeutic targets for chemotherapy resistant phenotypes are proposed, which in any case will require experimental validation. PMID- 29218594 TI - [Adrenal carcinoma with vena cava thrombus]. PMID- 29218595 TI - Quantitative Testing of Prescriber Knowledge Regarding the Risks and Safe Use of Albiglutide. AB - BACKGROUND: The risk of pancreatitis and potential risk of medullary thyroid carcinoma associated with glucagon-like peptide-1 receptor agonists prompted the US Food and Drug Administration to require a Risk Evaluation and Mitigation Strategy for albiglutide, including education for prescribers and subsequent assessment of their knowledge of the risks and safe use of albiglutide via a quantitative survey. OBJECTIVE: The objective of this study was to assess prescribers' knowledge of the risks related to medullary thyroid carcinoma, pancreatitis, and the appropriate patient population for albiglutide. METHODS: Two Risk Evaluation and Mitigation Strategy surveys were conducted 18 months and 3 years after albiglutide was launched. Primary analyses evaluated correct response rates for each question. Secondary analyses evaluated the number of correct responses and the percentage of respondents scoring at/above the target comprehension thresholds (75% at 18 months; 80% at 3 years), which were selected based on discussion with the Food and Drug Administration and current standards for Risk Evaluation and Mitigation Strategy assessments, for each key risk message. RESULTS: The correct response rate for individual questions ranged from 68.2 to 97.9% (18-month survey) and from 69.4 to 98.1% (3-year survey). For the secondary analysis, 79.5, 86.7, and 86.7% of respondents in the 18-month survey answered >= 75% of the questions correctly and 70.8, 90.9, and 54.1% of respondents in the 3-year survey answered >= 80% of the questions correctly for key risk messages related to medullary thyroid carcinoma, pancreatitis, and appropriate patient population, respectively. CONCLUSIONS: Survey results indicated most, but not all, prescribers are knowledgeable regarding the risks and safe use of albiglutide. Additional education to address gaps in knowledge could further improve risk mitigation. PMID- 29218598 TI - Discrimination threshold for haptic volume perception of fingers and phalanges. AB - Humans exhibit a remarkable ability to discriminate variations in object volume based on natural haptic perception. The discrimination thresholds for the haptic volume perception of the whole hand are well known, but the discrimination thresholds for haptic volume perception of fingers and phalanges are still unknown. In the present study, two psychophysical experiments were performed to investigate haptic volume perception in various fingers and phalanges. The configurations of both experiments were completely dependent on haptic volume perception from the fingers and phalanges. The participants were asked to blindly discriminate the volume variation of regular solid objects in a random order by using the distal phalanx, medial phalanx, and proximal phalanx of their index finger, middle finger, ring finger, and little finger. The discrimination threshold of haptic volume perception gradually decreases from the little finger to the index finger as well as from the proximal phalanx to the distal phalanx. Overall, both the shape of the target and the part of the finger in contact with the target significantly influence the precision of haptic perception of volume. This substantial data set provides detailed and compelling perspectives on the haptic system, including for discrimination of the spatial size of objects and for performing more general perceptual processes. PMID- 29218596 TI - Regulation of floral meristem activity through the interaction of AGAMOUS, SUPERMAN, and CLAVATA3 in Arabidopsis. AB - KEY MESSAGE: Floral meristem size is redundantly controlled by CLAVATA3, AGAMOUS , and SUPERMAN in Arabidopsis. The proper regulation of floral meristem activity is key to the formation of optimally sized flowers with a fixed number of organs. In Arabidopsis thaliana, multiple regulators determine this activity. A small secreted peptide, CLAVATA3 (CLV3), functions as an important negative regulator of stem cell activity. Two transcription factors, AGAMOUS (AG) and SUPERMAN (SUP), act in different pathways to regulate the termination of floral meristem activity. Previous research has not addressed the genetic interactions among these three genes. Here, we quantified the floral developmental stage-specific phenotypic consequences of combining mutations of AG, SUP, and CLV3. Our detailed phenotypic and genetic analyses revealed that these three genes act in partially redundant pathways to coordinately modulate floral meristem sizes in a spatial and temporal manner. Analyses of the ag sup clv3 triple mutant, which developed a mass of undifferentiated cells in its flowers, allowed us to identify downstream targets of AG with roles in reproductive development and in the termination of floral meristem activity. Our study highlights the role of AG in repressing genes that are expressed in organ initial cells to control floral meristem activity. PMID- 29218597 TI - Role of Tulipa gesneriana TEOSINTE BRANCHED1 (TgTB1) in the control of axillary bud outgrowth in bulbs. AB - KEY MESSAGE: Tulip vegetative reproduction. Tulips reproduce asexually by the outgrowth of their axillary meristems located in the axil of each bulb scale. The number of axillary meristems in one bulb is low, and not all of them grow out during the yearly growth cycle of the bulb. Since the degree of axillary bud outgrowth in tulip determines the success of their vegetative propagation, this study aimed at understanding the mechanism controlling the differential axillary bud activity. We used a combined physiological and "bottom-up" molecular approach to shed light on this process and found that first two inner located buds do not seem to experience dormancy during the growth cycle, while mid-located buds enter dormancy by the end of the growing season. Dormancy was assessed by weight increase and TgTB1 expression levels, a conserved TCP transcription factor and well-known master integrator of environmental and endogenous signals influencing axillary meristem outgrowth in plants. We showed that TgTB1 expression in tulip bulbs can be modulated by sucrose, cytokinin and strigolactone, just as it has been reported for other species. However, the limited growth of mid-located buds, even when their TgTB1 expression is downregulated, points at other factors, probably physical, inhibiting their growth. We conclude that the time of axillary bud initiation determines the degree of dormancy and the sink strength of the bud. Thus, development, apical dominance, sink strength, hormonal cross-talk, expression of TgTB1 and other possibly physical but unidentified players, all converge to determine the growth capacity of tulip axillary buds. PMID- 29218599 TI - Rich and Well Educated: Are These Requirements Necessary to Claim Healthcare Tax Credits in Italy? AB - BACKGROUND: The paper investigates the use of healthcare tax credits (HTCs) in Italy through the analysis of a panel data, which provides information on individual income tax from 2008 to 2014. There is evidence of disparities in the per-capita HTCs between Northern and Southern regions, which need to be analyzed and addressed. OBJECTIVE: The aim of the paper is to investigate the socioeconomic determinants in the use of Healthcare Tax Credits in Italy. METHODS: A fixed effects Ordinary Least Square model is run to analyze the impact of selected socioeconomic variables on regional per capita HTCs, with a particular focus on the role of education. RESULTS: The results corroborate literature findings on the regressive effects of HTCs; they also provide highlights on the role of education in explaining the distribution of HTCs among Italian regions. CONCLUSION: Public money is reimbursed to regions where people are, on average, richer and better educated. More equitable objectives could be reached by allocating the same resources in the provision of services covered by the NHS. PMID- 29218600 TI - The SH3-binding domain of Cx43 participates in loop/tail interactions critical for Cx43-hemichannel activity. AB - Connexin 43 (Cx43) hemichannels establish local signaling networks via the release of ATP and other molecules, but their excessive opening may result in cell death. Hence, the activity of Cx43-hemichannels ought to be critically controlled. This involves interactions between the C-terminal tail (CT) and the cytoplasmic loop (CL), more particularly the L2 domain within CL. Previous work revealed an important role for the last nine amino acids of the Cx43 CT by targeting the L2 domain, as these nine amino acids were sufficient to restore the activity of CT-truncated Cx43-hemichannels. However, we discovered that deletion of the last 19 amino acids of the CT only partially lowered the binding to the L2 domain, indicating that a second L2-binding region is present in the CT. We here provide evidence that the SH3-binding domain is another CT region that targets the L2 domain. At the functional level, the SH3-binding domain was able to restore the activity of CT-truncated Cx43-hemichannels and alleviate the inhibition of full-length Cx43-hemichannels by high intracellular Ca2+ concentration ([Ca2+]i) as demonstrated by various approaches including patch clamp studies of unitary Cx43-hemichannel activity. Finally, we show that in full length Cx43-hemichannels, deletion of either the SH3-binding domain or the CT9 region suppresses the hemichannel activity, while deletion of both domains completely annihilates the hemichannel activity. These results demonstrate that the Cx43 SH3-binding domain, in addition to the CT9 region, critically controls hemichannel activity at high [Ca2+]i, which may be involved in pathological hemichannel opening. PMID- 29218602 TI - Correlates of Serosorting and Knowledge of Sexual Partner's HIV Status Among Men Who have Sex with Men in Ukraine. AB - Ukraine has among the highest rates of newly diagnosed HIV infections in the WHO European region. Men who have sex with men (MSM) is the least studied group in the context of the HIV epidemics in Ukraine. The present paper aims to estimate the prevalence and correlates of knowledge of sexual partner's HIV status and potentially discordant anal intercourse (failure to serosort) among MSM. Data of the cross-sectional study among 8100 MSM in Ukraine in 2013 were used for this analysis. Less than half of the participants (42.5%) reported that they knew the HIV serostatus of their most recent male sexual partner, and about 13% of participants reported failure to serosort during their most recent anal sexual intercourse with a male partner. Targeted interventions can be implemented to increase knowledge about sexual partner's HIV status, both among HIV-negative and HIV-positive MSM, to reduce the risk of HIV acquisition and transmission. PMID- 29218603 TI - Characteristics of unintentional drowning deaths in children with autism spectrum disorder. AB - BACKGROUND: The reported prevalence of autism spectrum disorder (ASD) has increased markedly in the past two decades. Recent research indicates that children with ASD are at a substantially increased risk of injury mortality, particularly from unintentional drowning. The purpose of this study was to explore the circumstances of fatal unintentional drowning incidents involving children with ASD under 15 years of age. FINDINGS: During January 2000 through May 2017, US newspapers reported a total of 23 fatal drowning incidents involving 18 boys and 5 girls with ASD. Age of victims ranged from 3 to 14 years (mean = 7.7 +/- 2.9 years). These drowning incidents most commonly occurred in ponds (52.2%), followed by rivers (13.0%), and lakes (13.0%). For 11 incidents with location data available, the distance between victim residence and the water body where drowning occurred averaged 290.7 m (+/- 231.5 m). About three-quarters (73.3%) of the drowning incidents occurred in the afternoon hours from 12:00 to 18:59. Wandering was the most commonly reported activity that led to drowning, accounting for 73.9% of the incidents. CONCLUSIONS: Fatal drowning in children with ASD typically occur in water bodies near the victims' homes in the afternoon hours precipitated by wandering. Multifaceted intervention programs are urgently needed to reduce the excess risk of drowning in children with ASD. PMID- 29218604 TI - Author Correction to: Extreme Learning Machine Framework for Risk Stratification of Fatty Liver Disease Using Ultrasound Tissue Characterization. AB - The original version of this article unfortunately contained a mistake. The family name of Rui Tato Marinho was incorrectly spelled as Marinhoe. PMID- 29218601 TI - Regulation of myelopoiesis by proinflammatory cytokines in infectious diseases. AB - Hematopoiesis is hierarchically orchestrated by a very small population of hematopoietic stem cells (HSCs) that reside in the bone-marrow niche and are tightly regulated to maintain homeostatic blood production. HSCs are predominantly quiescent, but they enter the cell cycle in response to inflammatory signals evoked by severe systemic infection or injury. Thus, hematopoietic stem and progenitor cells (HSPCs) can be activated by pathogen recognition receptors and proinflammatory cytokines to induce emergency myelopoiesis during infection. This emergency myelopoiesis counterbalances the loss of cells and generates lineage-restricted hematopoietic progenitors, eventually replenishing mature myeloid cells to control the infection. Controlled generation of such signals effectively augments host defense, but dysregulated stimulation by these signals is harmful to HSPCs. Such hematopoietic failure often results in blood disorders including chronic inflammatory diseases and hematological malignancies. Recently, we found that interleukin (IL)-27, one of the IL-6/IL-12 family cytokines, has a unique ability to directly act on HSCs and promote their expansion and differentiation into myeloid progenitors. This process resulted in enhanced production of neutrophils by emergency myelopoiesis during the blood-stage mouse malaria infection. In this review, we summarize recent advances in the regulation of myelopoiesis by proinflammatory cytokines including type I and II interferons, IL-6, IL-27, granulocyte colony-stimulating factor, macrophage colony-stimulating factor, and IL-1 in infectious diseases. PMID- 29218605 TI - Oxymatrine Sensitizes the HaCaT Cells to the IFN-gamma Pathway and Downregulates MDC, ICAM-1, and SOCS1 by Activating p38, JNK, and Akt. AB - Decreased interferon (IFN)-gamma levels and increased levels of macrophage derived chemokine (MDC) and intercellular adhesion molecule (ICAM)-1 are known to be involved in allergic skin diseases, such as eczema and atopic dermatitis. Activation of the IFN-gamma and its downstream interleukin-12 (IL-12) pathway can correct these diseases. Suppressor of cytokine signaling 1 (SOCS1) is a cytokine signaling inhibitor that blocks downstream pathways of IFN-gamma by blocking the mitogen-activated protein kinase (MAPK) and protein kinase B (Akt) signaling pathways. Oxymatrine (OMT), a quinolizidine alkaloid extracted from the herbal medicine Radix Sophorae flavescentis, is used to treat allergic skin diseases in China. The non-cytotoxic concentrations of OMT in HaCaT cells were determined through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays. Tumor necrosis factor (TNF)-alpha and IFN-gamma were used to stimulate HaCaT cells, and OMT was added to this system with tacrolimus (FK506) as a positive control. The mRNAs of cytokines, MDC, ICAM-1, IL-12p35, IL-12p40, and IFN-gamma receptor (IFN-gammaR)alpha were detected by RT-PCR. Western blot analyses were performed to assess activation of the MAPK (p38, Jun N-terminal kinase, and extracellular signal-regulated kinase) and Akt signaling pathways. OMT increased the mRNA levels of the IL-12 and IFN-gammaRalpha, reduced the mRNA levels of ICAM-1, MDC, and SOCS1. But FK506 increased the mRNA levels of IL12 and inhibited the expression of ICAM-1 mRNAs and had no effects on the IFN gammaRalpha, MDC, and SOCS1 mRNA in HaCaT cells stimulated with TNF-alpha and IFN gamma. Thus, the mechanisms through which OMT and FK506 ameliorate allergic skin diseases differ. PMID- 29218606 TI - PI3K Is a Linker Between L-selectin and PSGL-1 Signaling to IL-18 Transcriptional Activation at the Promoter Level. AB - L-selectin and P-selectin glycoprotein ligand-1 (PSGL-1) are adhesion molecules which induce similar physiological events. Our previous paper showed that phosphatidylinositol 3-kinase (PI3K) played a crucial role in L-selectin- and PSGL-1-mediated F-actin redistribution and assembly during neutrophil rolling on E-selectin. However, it is not clear whether L-selectin and PSGL-1 induce other similar physiology events by PI3K. Here, we investigated the possibility of PI3K linking the signaling pathways of L-selectin and PSGL-1 to IL-18 transcription. We first demonstrated that L-selectin and PSGL-1 stimulation upregulated IL-18 transcription level in Jurkat cells. Then we found that PI3K inhibitor LY294002 reduced L-selectin- and PSGL-1-induced mRNA upregulation of IL-18 in Jurkat cells. Transfection of phosphatase and tensin homolog expressing plasmid inhibited the transcription level of IL-18. Therefore, PI3K is a signal linker between L-selectin and PSGL-1 in IL-18 transcriptional activation at the promoter level. To our knowledge, this is the first time to directly link PI3K to L selectin- and PSGL-1-mediated IL-18 transcription, providing a foundation for intervention of PI3K-related inflammation. PMID- 29218607 TI - [Chemokines in ophthalmology]. AB - Chemokines are chemotactically active cytokines, which coordinate the distribution of immune cells within the body and also regulate the migration of leukocytes in malignant and inflammatory processes. Chemokines are a heterogeneous group of short-chain proteins that are divided into different subgroups on the basis of their structure. In addition to the chemokines (ligands) various chemokine receptors also exist. The chemokine system is given its complexity by the high redundancy of ligand-receptor interactions: one single ligand can bind to different receptors and a single receptor can interact with different ligands. In terms of receptors, distinct immune cell types have characteristic receptor expression patterns, which can be used for the immunological characterization of leukocytes. Important basic research is currently leading to a better understanding of the chemokine system. The essential importance of the chemokine system in various diseases of the anterior and posterior eye segments is becoming increasingly apparent. The following synopsis explains the individual clinical aspects as well as the underlying scientific work in the context of "chemokines in ophthalmology". PMID- 29218609 TI - Abstracts of EMC2017. PMID- 29218608 TI - [Correction: Trends in retinal detachment surgery : What has changed compared to 2001?] PMID- 29218610 TI - Feasibility of whole-body diffusion-weighted MRI for detection of primary tumour, nodal and distant metastases in women with cancer during pregnancy: a pilot study. AB - OBJECTIVES: To evaluate the feasibility of whole-body diffusion-weighted MRI (WB DWI/MRI) for detecting primary tumour, nodal and distant metastases in pregnant women with cancer. METHODS: Twenty pregnant patients underwent WB-DWI/MRI in additional to conventional imaging. Reproducibility of WB-DWI/MRI between two readers was evaluated using Cohen's kappa statistics and accuracy was compared to conventional imaging for assessing primary tumour site, nodal and visceral metastases. RESULTS: Both WB-DWI/MRI readers showed good-very good agreement for lesion detection (primary lesions: kappa=1; lymph nodes: kappa=0.89; distant metastases: kappa=0.61). Eight (40 %) patients were upstaged after WB-DWI/MRI. For nodal metastases, WB-DWI/MRI showed 100 % (95 % CI: 83.2-100) sensitivity for both readers with specificity of 99.4 % (96.9-100) and 100 % (80.5-100) for readers 1 and 2, respectively. For distant metastases, WB-DWI/MRI showed 66.7 % (9.4-99.2) and 100 % (29.2-100) sensitivity and specificity of 94.1 % (71.3-99.9) and 100 % (80.5-100) for readers 1 and 2, respectively. Conventional imaging showed sensitivity of 50 % (27.2-72.8) and 33.3 % (0.8-90.6); specificity of 100 % (98-100) and 100 % (80.5-100), for nodal and distant metastases respectively. CONCLUSIONS: WB-DWI/MRI is feasible for single-step non-invasive staging of cancer during pregnancy with additional value for conventional imaging procedures. KEY POINTS: * In our study, WB-DWI/MRI was more accurate than conventional imaging during pregnancy. * WB-DWI/MRI improves diagnostic assessment of patients with cancer during pregnancy. * Accurate imaging and oncologic staging improves treatment and outcome. PMID- 29218611 TI - Portal hypertension is associated with poor outcome of transarterial chemoembolization in patients with hepatocellular carcinoma. AB - OBJECTIVES: To determine whether clinically relevant portal hypertension (CRPH) influences outcome and whether it may serve as a prognostic marker in patients treated with transarterial chemoembolization (TACE) for hepatocellular carcinoma (HCC). METHODS: One hundred and forty-seven patients underwent conventional TACE as a first-line treatment for a single HCC. CRPH was graded as 0, 1, or 2. The influence of CRPH, together with other factors, on local tumour progression (LTP) and overall survival (OS) were analysed using Cox proportional hazards regression. RESULTS: A higher CRPH grade (grade 1, p = 0.005, hazard ratio [HR] = 3.282; grade 2, p < 0.001, HR = 7.144) and less selective catheterization (p = 0.009, HR = 1.951) were significantly associated with early LTP. Regarding OS, older age, (p < 0.001, HR = 1.050), CRPH grade 2 (p = 0.024, HR = 2.058), and a larger tumour (p < 0.001, HR = 1.454) were significantly associated with early death. CONCLUSIONS: Portal hypertension was significantly associated with poor outcome after TACE, and non-invasive CRPH grading may be a useful prognostic marker of TACE. KEY POINTS: * Portal hypertension was significantly associated with poor outcome after TACE. * Grading portal hypertension non-invasively can help predict TACE outcome in HCC patients. * CRPH grading can aid in selecting optimal candidates for TACE. PMID- 29218612 TI - Transoesophageal echocardiography prior to catheter ablation could be avoided in atrial fibrillation patients with a low risk of stroke and without filling defects in the late-phase MDCT scan: A retrospective analysis of 783 patients. AB - OBJECTIVES: To test whether multidetector computed tomography (MDCT) could completely replace transoesophageal echocardiography (TEE) to detect left atrial appendage (LAA) thrombi in atrial fibrillation (AF) patients using a large sample size. METHODS: 783 patients with AF who underwent MDCT and TEE before catheter ablation were retrospectively included. Demographic data were obtained. Two radiologists blinded to clinical data made the imaging diagnosis. RESULTS: Most of the patients (96.2 %) had a CHA2DS2-VASc score (congestive heart failure, hypertension, age >= 75 years old (doubled), diabetes, stroke/transient ischaemic attack/thromboembolism (doubled), vascular disease, age 65-74 years, female sex) <= 3. Eight thrombi were identified by TEE, all of which were detected by MDCT; no thrombus was observed with TEE without the observation of filling defects by late-phase MDCT scanning in any of the patients. Using TEE as reference standard, the sensitivity, specificity, positive predictive value and negative predictive value of MDCT for thrombus detection were 100 %, 95.74 % (95 % CI 94.33 %-97.15 %), 19.51 % (95 % CI 16.73 %-22.29 %) and 100 %, respectively. CONCLUSIONS: For AF patients with low risk of stroke, when MDCT images showed no filling defect in the late phase, TEE prior to catheter ablation can be avoided. KEY POINTS: * MDCT can help detect the presence of LAA thrombus. * TEE can be avoided when late phase MDCT shows no filling defect. * TEE is required in patients whose MDCT images indicate thrombus. PMID- 29218613 TI - Can We Perform CT of the Appendix with Less Than 1 mSv? A De-escalating Dose simulation Study. AB - OBJECTIVES: To systematically explore the lowest reasonably achievable radiation dose for appendiceal CT using an iterative reconstruction (IR) in young adults. METHODS: We prospectively included 30 patients who underwent 2.0-mSv CT for suspected appendicitis. From the helical projection data, 1.5-, 1.0- and 0.5-mSv CTs were generated using a low-dose simulation tool and the knowledge-based IR. We performed step-wise non-inferiority tests sequentially comparing 2.0-mSv CT with each of 1.5-, 1.0- and 0.5-mSv CT, with a predetermined non-inferiority margin of 0.06. The primary end point was the pooled area under the receiver operating-characteristic curve (AUC) for three abdominal and three non-abdominal radiologists. RESULTS: For the abdominal radiologists, the non-inferiorities of 1.5-, 1.0- and 0.5-mSv CT to 2.0-mSv CT were sequentially accepted [pooled AUC difference: 2.0 vs. 0.5 mSv, 0.017 (95% CI: -0.016, 0.050)]. For the non abdominal radiologists, the non-inferiorities of 1.5- and 1.0-mSv CT were accepted; however, the non-inferiority of 0.5-mSv CT could not be proved [pooled AUC difference: 2.0 vs. 1.0 mSv, -0.017 (-0.070, 0.035) and 2.0 vs. 0.5 mSv, 0.045 (-0.071, 0.161)]. CONCLUSION: The 1.0-mSv appendiceal CT was non-inferior to 2.0-mSv CT in terms of diagnostic performance for both abdominal and non abdominal radiologists; 0.5-mSv appendiceal CT was non-inferior only for abdominal radiologists. KEY POINTS: * For both abdominal and non-abdominal radiologists, 1.0-mSv appendiceal CT could be feasible. * The 0.5-mSv CT was non inferior to 2.0-mSv CT only for expert abdominal radiologists. * Reader experience is an important factor affecting diagnostic impairment by low-dose CT. PMID- 29218614 TI - 18F-fluorodeoxyglucose specimen-positron emission mammography delineates tumour extension in breast-conserving surgery: Preliminary results. AB - OBJECTIVES: We aimed to determine whether high-resolution specimen-positron emission mammography (PEM) using fluorodeoxyglucose (18F-FDG) can reveal extension of breast cancer in breast-conserving surgery (BCS), and assess the safety of radiation exposure to medical staff. METHODS: Sixteen patients underwent positron emission tomography, and then BCS with intraoperative frozen section analysis on the same day. Resected specimens with remaining 18F-FDG accumulation were scanned by high-resolution PEM. At least 1 day after surgery, tumour extension was evaluated by three independent experienced readers and by binarized images from the specimen-PEM data. Intraoperative exposure of medical staff to 18F-FDG was measured. RESULTS: Specimen-PEM evaluations of binarized images and the three investigators detected all (100 %, 12/12) invasive lesions and 94.4 % (17/18) of in situ lesions using both methods. The positive predictive value of the accumulated lesions was 74.4 % (29/39) for the binarized images and 82.9 % (29/35) for the three investigators. Analysis of intraoperative frozen sections detected 100 % (2/2) of the margin-positive cases, also detected by both specimen-PEM evaluation methods with no false-positive margin cases. The mean exposure of the medical staff to 18F was 18 MUSv. CONCLUSIONS: Specimen-PEM detected invasive and in situ lesions with high accuracy and allowable radiation exposure. KEY POINTS: * Specimen-PEM detected invasive and in situ lesions with high accuracy. * Specimen-PEM predicted complete resection with the same accuracy as frozen section analysis. * Breast-conserving surgery after fluorodeoxyglucose injection was performed with low medical staff exposure. PMID- 29218615 TI - Advanced CT for diagnosis of seizure-related stroke mimics. AB - BACKGROUND AND PURPOSE: It is assumed that up to 30 % of clinically diagnosed acute ischaemic strokes (AIS) are actually stroke mimics (SM). Our aim was to evaluate the usefulness of advanced CT including CT angiography (CTA) and CT perfusion (CTP) findings when distinguishing AIS from seizure-related SM. METHODS: Over a 22-month period data were gathered of patients who presented to our stroke centre with AIS-like symptoms and were examined immediately with an advanced CT, analysed and evaluated by two experienced neuroradiologists who preferred SM rather than AIS. All these patients additionally received electroencephalography and follow-up imaging. CTA was the important feature to exclude vessel occlusion or haemodynamic relevant stenosis. Perfusion patterns were retrospectively analysed qualitatively. RESULTS: The most common perfusion abnormality was cortical hyperperfusion (22/37 [59.5 %] patients) followed by a hypoperfusion pattern with a cortical-subcortical involvement (15/37 [40.5 %] patients) without evidence of vessel occlusion or stenosis. Seizure-related hyper and hypoperfusion patterns typically crossed the normal anatomical vascular territories boundaries. CONCLUSION: Beyond its use in core and penumbra estimation, advanced CT provides important information to emergency physicians in the difficult clinical diagnosis when differentiating between AIS and seizure related symptoms with an important impact on therapeutic decision-making. KEY POINTS: * Advanced CT helps to differentiate between ischaemic strokes and stroke mimics. * Seizure-related perfusion patterns are distinct from ischaemia hypoperfusion. * Advanced CT could improve rapid adequate treatment for AIS and seizure events. PMID- 29218616 TI - Noninvasive assessment of hepatic sinusoidal obstructive syndrome using acoustic radiation force impulse elastography imaging: A proof-of-concept study in rat models. AB - OBJECTIVES: To determine the feasibility of acoustic radiation force impulse (ARFI) elastography in the evaluation of hepatic sinusoidal obstruction syndrome (SOS) in rat models. METHODS: Rat SOS models of various severities were created by monocrotaline gavage (n = 40) or by intraperitoneal injection of 5 fluorouracil, leucovorin and oxaliplatin (FOLFOX) (n = 16). Liver shear-wave velocity (SWV) was measured using ARFI elastography. Liver samples were analysed for the SOS score, steatosis, lobular inflammation and fibrosis. RESULTS: The liver SWV was significantly elevated in the SOS models (1.29-2.24 m/s) compared with that of the matched control rats (1.01-1.09; p<=.09; veFor seven FOLFOX treated rats which were longitudinally followed-up, the liver SWV significantly increased at 7 weeks (1.32+/-0.13 m/s) compared with the baseline (1.08+/-0.1 m/s, p=.015) and then significantly declined after a 2-week, treatment-free period (1.15+/-0.13 m/s; p=.048). Multivariate analysis revealed that the SOS score (p<.001) and lobular inflammation (p=.044) were independently correlated with the liver SWV. CONCLUSION: Liver SWV is elevated in SOS in proportion to the degree of sinusoidal injury and lobular inflammation in rat SOS models. ARFI elastography has potential as an examination for diagnosis, severity assessment and follow-up of SOS. KEY POINTS: * Liver SWV using ARFI elastography was significantly elevated in SOS rat. * Sinusoidal injury and lobular inflammation grades had correlation with liver SWV. * ARFI elastography has potential for diagnosis, severity assessment, and follow-up of SOS. PMID- 29218617 TI - Evaluation of an adaptive detector collimation for prospectively ECG-triggered coronary CT angiography with third-generation dual-source CT. AB - OBJECTIVES: To investigate the impact of an adaptive detector collimation on the dose parameters and accurateness of scan length adaption at prospectively ECG triggered sequential cardiac CT with a wide-detector third-generation dual-source CT. METHODS: Ideal scan lengths for human hearts were retrospectively derived from 103 triple-rule-out examinations. These measures were entered into the new scanner operated in prospectively ECG-triggered sequential cardiac scan mode with three different detector settings: (1) adaptive collimation, (2) fixed 64 * 0.6 mm collimation, and (3) fixed 96 * 0.6-mm collimation. Differences in effective scan length and deviation from the ideal scan length and dose parameters (CTDIvol, DLP) were documented. RESULTS: The ideal cardiac scan length could be matched by the adaptive collimation in every case while the mean scanned length was longer by 15.4% with the 64 * 0.6 mm and by 27.2% with the fixed 96 * 0.6-mm collimation. While the DLP was almost identical between the adaptive and the 64 * 0.6-mm collimation (83 vs. 89 mGycm at 120 kV), it was 62.7% higher with the 96 * 0.6-mm collimation (135 mGycm), p < 0.001. CONCLUSION: The adaptive detector collimation for prospectively ECG-triggered sequential acquisition allows for adjusting the scan length as accurate as this can only be achieved with a spiral acquisition. This technique allows keeping patient exposure low where patient dose would significantly increase with the traditional step-and-shoot mode. KEY POINTS: * Adaptive detector collimation allows keeping patient exposure low in cardiac CT. * With novel detectors the desired scan length can be accurately matched. * Differences in detector settings may cause 62.7% of excessive dose. PMID- 29218618 TI - Metal artifact reduction MRI of total ankle arthroplasty implants. AB - OBJECTIVES: To assess high-bandwidth and compressed sensing-(CS)-SEMAC turbo spin echo (TSE) techniques for metal artifact reduction MRI of total ankle arthroplasty (TAA) implants. METHODS: Following institutional approval and consent, 40 subjects with TAA implants underwent 1.5-T MRI prospectively. Evaluations included bone-implant interfaces, anatomical structures, abnormal findings and differential diagnoses before and after MRI. AUCs of P-P plots were used to determine superiority. Statistical differences were evaluated with McNemar and chi-square tests. P-values <= 0.05 were considered significant. RESULTS: CS-SEMAC TSE was superior to high-bandwidth TSE in showing the bone implant interfaces (AUC=0.917), periprosthetic bone, tendons and joint capsule (AUC=0.337-0.766), bone marrow oedema (43 % difference, p=0.041), interface osteolysis (63 %, p=0.015), tendinopathy (62 %, p=0.062), periprosthetic fractures (60 %, p=0.250), synovitis (43 %, p=0.250), as well as reader confidence for bone marrow oedema (p=<0.001), fracture (p=0.001), interface osteolysis (p=0.003), synovitis (p=0.027) and tendinopathy (p=0.034). The number of differential diagnoses in symptomatic subjects after the MRI with CS-SEMAC decreased from 3 (1-4) to 1 (1-2) (p<0.001). CONCLUSIONS: MRI of TAA implants with CS-SEMAC improves the diagnosis of interface osteolysis, periprosthetic bone marrow oedema, fractures and tendinopathy when compared to high-BW TSE, and has a positive effect on patient management. KEY POINTS: * High-bandwidth TSE and compressed sensing SEMAC improve MRI of ankle arthroplasty implants. * Compressed sensing SEMAC improves bone-implant interfaces, periprosthetic bone, tendons and joint capsule visibility. * Compressed sensing SEMAC improves the diagnosis of osteolysis, tendinopathy, fractures and synovitis. * MRI decreases the number of clinical differential diagnoses of painful ankle arthroplasty implants. PMID- 29218619 TI - Cervical ultrasonography has no additional value over negative 18F-FDG PET/CT scans for diagnosing cervical lymph node metastases in patients with oesophageal cancer. AB - OBJECTIVES: To investigate the additional value of cervical ultrasonography over 18F-FDG PET/CT for diagnosing cervical lymph node metastases in patients with newly diagnosed oesophageal cancer. METHODS: Between January 2013 and January 2016, 163 patients with newly diagnosed oesophageal cancer underwent both cervical ultrasonography and 18F-FDG PET/CT at a tertiary referral centre in the Netherlands. Retrospective clinical data analysis was performed to assess the diagnostic value of cervical ultrasonography and 18F-FDG PET/CT for the detection of cervical lymph node metastases. Fine needle aspiration or clinical follow-up was used as reference standard. RESULTS: The overall incidence of patients with cervical lymph node metastases was 14%. The sensitivity of 18F-FDG PET/CT to detect cervical lymph node metastases was 82% (95% CI 59-94%) and specificity was 91% (95% CI 85-95%). The sensitivity and specificity of cervical ultrasonography were 73% (95% CI 50-88%) and 84% (95% CI 77-90%), respectively. In patients with a negative 18F-FDG PET/CT, 12 of 133 (9%) patients had suspicious nodes on cervical ultrasonography. In all these 12 patients the nodes were confirmed benign. CONCLUSIONS: Cervical ultrasonography has no additional diagnostic value to a negative integrated 18F-FDG PET/CT for the detection of cervical lymph node metastases in patients with newly diagnosed oesophageal cancer. KEY POINTS: * Cervical ultrasonography has no value over PET/CT in evaluating cervical node metastases. * PET/CT provides greater diagnostic confidence compared to cervical ultrasonography. * Cervical ultrasonography during standard diagnostic work-up may be considered unnecessary. * Cervical lesions on PET/CT require cytopathological confirmation by FNA. PMID- 29218620 TI - The impact of injector-based contrast agent administration in time-resolved MRA. AB - OBJECTIVES: Time-resolved contrast-enhanced MR angiography (4D-MRA), which allows the simultaneous visualization of the vasculature and blood-flow dynamics, is widely used in clinical routine. In this study, the impact of two different contrast agent injection methods on 4D-MRA was examined in a controlled, standardized setting in an animal model. METHODS: Six anesthetized Goettingen minipigs underwent two identical 4D-MRA examinations at 1.5 T in a single session. The contrast agent (0.1 mmol/kg body weight gadobutrol, followed by 20 ml saline) was injected using either manual injection or an automated injection system. A quantitative comparison of vascular signal enhancement and quantitative renal perfusion analyses were performed. RESULTS: Analysis of signal enhancement revealed higher peak enhancements and shorter time to peak intervals for the automated injection. Significantly different bolus shapes were found: automated injection resulted in a compact first-pass bolus shape clearly separated from the recirculation while manual injection resulted in a disrupted first-pass bolus with two peaks. In the quantitative perfusion analyses, statistically significant differences in plasma flow values were found between the injection methods. CONCLUSIONS: The results of both qualitative and quantitative 4D-MRA depend on the contrast agent injection method, with automated injection providing more defined bolus shapes and more standardized examination protocols. KEY POINTS: * Automated and manual contrast agent injection result in different bolus shapes in 4D-MRA. * Manual injection results in an undefined and interrupted bolus with two peaks. * Automated injection provides more defined bolus shapes. * Automated injection can lead to more standardized examination protocols. PMID- 29218621 TI - The efficacy of real-time colour Doppler flow imaging on endoscopic ultrasonography for differential diagnosis between neoplastic and non-neoplastic gallbladder polyps. AB - OBJECTIVES: We evaluated the usefulness of real-time colour Doppler flow (CDF) endoscopic ultrasonography (EUS) for differentiating neoplastic gallbladder (GB) polyps from non-neoplastic polyps. METHODS: Between August 2014 and December 2016, a total of 233 patients with GB polyps who underwent real-time CDF-EUS were consecutively enrolled in this prospective study. CDF imaging was subjectively categorized for each patient as: strong CDF pattern, weak CDF pattern and no CDF pattern. RESULTS: Of the 233 patients, 115 underwent surgical resection. Of these, there were 90 cases of non-neoplastic GB polyps and 23 cases of neoplastic GB polyps. In a multivariate analysis, a strong CDF pattern was the most significant predictive factor for neoplastic polyps; sensitivity, specificity, positive predictive value, negative predictive value and accuracy were 52.2 %, 79.4 %, 38.7 %, 86.9 % and 73.9 %, respectively. Solitary polyp and polyp size were associated with an increased risk of neoplasm. CONCLUSIONS: The presence of a strong CDF pattern as well as solitary and larger polyps on EUS may be predictive of neoplastic GB polyps. As real-time CDF-EUS poses no danger to the patient and requires no additional equipment, it is likely to become a supplemental tool for the differential diagnosis of GB polyps. KEY POINTS: * Differential diagnosis between neoplastic polyps and non-neoplastic polyps of GB is limited. * The use of real-time CDF-EUS was convenient, with high agreement between operators. * The real-time CDF-EUS is helpful in differential diagnosis of GB polyps. PMID- 29218622 TI - Inhibiting CDK in Cancer Therapy: Current Evidence and Future Directions. AB - Cell cycle dysregulation is a hallmark of all cancers, resulting in uncontrolled proliferation. Cyclin dependent kinases (CDKs), a family of proteins that are involved in the regulation of the cell cycle, are frequently overexpressed or mutated in cancer. Hence, CDK-inhibiting drugs have been developed and evaluated as cancer therapeutics. Clinical trials have shown CDK4/6 inhibitors (CDK4/6i) to be relatively safe and effective, and these are now standard of care treatment for advanced hormone receptor positive breast cancer. Some CDK4/6i drugs are also able to cross the blood brain barrier and may, therefore, offer effective therapy for primary and metastatic central nervous system malignancies. Ongoing research is also evaluating CDK4/6i for additional breast cancer subtypes and non-breast malignancies with promising early phase clinical trial results. Finally, pre clinical research has identified potential biomarkers for CDK4/6i efficacy and is exploring potential resistance mechanisms to this treatment. Further clinical translational research is needed to advance patient selection and combinatorial treatment strategies with CDK4/6i in breast cancer and other malignancies. PMID- 29218623 TI - Early Metabolic Change after Induction Chemotherapy Predicts Histologic Response and Prognosis in Patients with Esophageal Cancer: Secondary Analysis of a Randomized Trial. AB - BACKGROUND: Early metabolic response after preoperative induction chemotherapy (IC) appears to predict histologic response and prognosis in esophageal cancer (EC), but the usefulness of this approach needs further development. OBJECTIVE: We evaluated metabolic response after one cycle of IC using positron emission tomography (PET) to correlate PET response and outcomes. PATIENTS AND METHODS: We retrospectively analyzed PET data from a randomized phase 2 trial (NCT00525915) of chemoradiation and surgery with or without IC for the treatment of EC. PET was performed at baseline, after one cycle of IC, and 5-7 weeks after chemoradiation. The relationship between PET response (>=35% reduction in standardized uptake value [SUV]) after IC and treatment response was analyzed. RESULTS: In 63 patients who received IC, the mean initial SUVmax prior to treatment was 11.9 +/- 8.04 and mean SUVmax after one cycle of IC was 6.47 +/- 4.45. The mean SUV reduction after IC was 39.3%. Eleven of 37 PET responders achieved a pathologic complete response (pCR), but only two of 22 PET non-responders did (univariate logistic regression; odds ratio: 4.25, 95% confidence interval: 0.83-21.77; p = 0.08). PET responders to IC had significantly longer overall survival (OS) than PET nonresponders (log-rank p = 0.009). PET response after chemoradiation was not correlated with OS (log-rank p = 0.15). CONCLUSION: Early PET response after IC is prognostic, but subsequent PET changes (for example, after chemoradiation) are not prognostic. Early PET response might have the potential of predicting pCR. PMID- 29218624 TI - Motivation for Launching a Cancer Metastasis Inhibition (CMI) Program. AB - Metastatic cancers impose significant burdens on patients, affecting quality of life, morbidity, and mortality. Even during remission, microscopic metastases can lurk, but few therapies directly target tumor cell metastasis. Agents that interfere with this process would represent a new paradigm in cancer management, changing the 'waiting game' into a time of active prevention. These therapies could take multiple forms based on the pathways involved in the metastatic process. For example, a phenome-wide association study showed that a single nucleotide polymorphism in the gene TBXA2R is associated with increased metastasis in multiple primary cancers (P = 0.003), suggesting clinical applicability of TBXA2R antagonists. Emerging data related to the role of platelets in metastasis are concordant with our sense that these pathways present significant opportunities for therapeutic development. However, before real progress can be made toward clinical targeting of the metastatic process, foundational work is needed to define informative measures of critical elements such as circulating tumor cells and tumor DNA, and circulatory vs. lymphatic spread. These challenges require an expansion of team science and composition to obtain competitive funding. At our academic medical center, we have implemented a Cancer Metastasis Inhibition (CMI) program investigating this approach across multiple cancers. PMID- 29218625 TI - Diuretic or Beta-Blocker for Hypertensive Patients Already Receiving ACEI/ARB and Calcium Channel Blocker. AB - BACKGROUND: In patients already receiving combination of angiotensin-converting enzyme inhibitor (ACEI)/angiotensin receptor blocker (ARB) and calcium channel blocker (CCB), whether the choice of additional diuretic or beta-blocker affects the cardiovascular and cerebrovascular outcomes remains unclear. METHODS: A total of 13,551 patients who were concurrently receiving three anti-hypertensive agents of different classes through outpatient clinics during 2004-2006 were identified from the National Health Insurance Research Database of Taiwan. Patients were further classified into two treatment groups according to the medication possession ratio of drug combinations; the A + B + C group as those who received concurrent therapy of ACEI/ARB, beta-blocker and CCB. The A + C + D group as patients who received ACEI/ARB, CCB, and diuretics. The event-free survival of stroke, acute myocardial infarction (AMI), mortality, and major adverse cardiovascular events (MACE) between the two treatment groups was investigated. RESULTS: After propensity score matching, there were 5120 patients in each group. There were no differences in the incidence of cardiovascular events between the two groups. In patients with prior history of cerebrovascular accident (CVA), the A + C + D group had a significantly higher AMI-free survival (adjusted HR = 1.56; 95% CI 1.051-2.307; p < 0.05) as compared with the A + B + C group. CONCLUSION: Adding a diuretic may be better than adding a beta-blocker for treating hypertensive patients with prior CVA history who have already received ACEIs/ARBs and CCBs. PMID- 29218626 TI - Treatment-related changes in glioblastoma: a review on the controversies in response assessment criteria and the concepts of true progression, pseudoprogression, pseudoresponse and radionecrosis. AB - The assessment of response to therapy in glioblastoma remains a challenge, because the surrogate measures of survival are subject to radiographic misinterpretation. A solid and reliable definition of progression is needed for both clinical decision-making and for evaluating response within the clinical trials. Historically, assessment criteria have used radiologic and clinical features aimed to correctly classify patients into progressive or non-progressive disease. The widely used RANO criteria are a valuable tool in disease evaluation, both in the clinical setting and in the clinical trials. However, assessment criteria have certain limitations that emerging image techniques have tried to overcome. Differentiating true progression from treatment-related changes (like pseudoprogression or pseudoresponse) is crucial in order not to prematurely discontinue adjuvant chemotherapy or redirect the patient to second-line options. This fact underscores the need for advanced radiologic techniques, like specific diffusion and perfusion MRI sequences, MR spectroscopy and PET, which seem to play a role in distinguishing these phenomena. PMID- 29218628 TI - Note from the SBIC President. PMID- 29218627 TI - Top ten errors of statistical analysis in observational studies for cancer research. AB - Observational studies using registry data make it possible to compile quality information and can surpass clinical trials in some contexts. However, data heterogeneity, analytical complexity, and the diversity of aspects to be taken into account when interpreting results makes it easy for mistakes to be made and calls for mastery of statistical methodology. Some questionable research practices that include poor analytical data management are responsible for the low reproducibility of some results; yet, there is a paucity of information in the literature regarding specific statistical pitfalls of cancer studies. In addition to proposing how to avoid or solve them, this article seeks to expose ten common problematic situations in the analysis of cancer registries: convenience, dichotomization, stratification, regression to the mean, impact of sample size, competing risks, immortal time and survivor bias, management of missing values, and data dredging. PMID- 29218629 TI - Design of artificial metalloproteins/metalloenzymes by tuning noncovalent interactions. AB - Noncovalent weak interactions [hydrophobic interaction and hydrogen (H)-bond] play crucial roles in controlling the functions of biomolecules, and thus have been used to design artificial metalloproteins/metalloenzymes during the past few decades. In this review, we focus on the recent progresses in protein design by tuning the noncovalent interactions, including hydrophobic and H-bonding interactions. The topics include redesign and reuse of the heme pocket and other protein scaffolds, design of the heme protein interface, and de novo design of metalloproteins. The informations not only give insights into the metalloenzyme reaction mechanisms but also provide new reactions for future applications. PMID- 29218630 TI - Differential reactivity of closely related zinc(II)-binding metallothioneins from the plant Arabidopsis thaliana. AB - The dynamics of metal binding to and transfer from metalloproteins involved in metal homeostasis are important for understanding cellular distribution of metal ions. The dicotyledonous plant Arabidopsis thaliana has two type 4 seed-specific metallothionein homologues, MT4a and MT4b, with likely roles in zinc(II) homeostasis. These two metallothioneins are 84% identical, with full conservation of all metal-binding cysteine and histidine residues. Yet, differences in their spatial and temporal expression patterns suggested divergence in their biological roles. To investigate whether biological functions are reflected in molecular properties, we compare aspects of zinc(II)-binding dynamics of full-length MT4a and MT4b, namely the pH dependence of zinc(II) binding and protein folding, and zinc(II) transfer to the chelator EDTA. UV-Vis and NMR spectroscopies as well as native electrospray ionisation mass spectrometry consistently showed that transfer from Zn6MT4a is considerably faster than from Zn6MT4b, with pseudo-first order rate constants for the fastest observed step of k obs = 2.8 * 10-4 s-1 (MT4b) and k obs = 7.5 * 10-4 s-1 (MT4a) (5 uM protein, 500 uM EDTA, 25 mM Tris buffer, pH 7.33, 298 K). 2D heteronuclear NMR experiments allowed locating the most labile zinc(II) ions in domain II for both proteins. 3D homology models suggest that reactivity of this domain is governed by the local environment around the mononuclear Cys2His2 site that is unique to type 4 MTs. Non conservative amino acid substitutions in this region affect local electrostatics as well as whole-domain dynamics, with both effects rendering zinc(II) ions bound to MT4a more reactive in metal transfer reactions. Therefore, domain II of MT4a is well suited to rapidly release its bound zinc(II) ions, in broad agreement with a previously suggested role of MT4a in zinc(II) transport and delivery to other proteins. PMID- 29218631 TI - Intracellular metal binding and redox behavior of human DJ-1. AB - DJ-1 is a conserved, ubiquitous protein associated to a large number of intracellular processes. Human DJ-1 has been linked to several pathologies, including hereditary forms of Parkinson's disease, cancer, and amyotrophic lateral sclerosis. Several cytoprotective functions of DJ-1 have been reported, however, its actual mechanisms of action remain elusive. In vitro, DJ-1 has been shown to bind zinc and copper(II) at its active site, which contains a conserved cysteine (C106), and copper(I) at a different binding site. C106 is essential to DJ-1 function, and is easily oxidized upon oxidative stress. Here, we investigated the metal-binding- and redox properties of DJ-1 in living human cells by in-cell NMR. Intracellular DJ-1 is surprisingly free from interactions with any other cellular components and as such is clearly detectable by NMR. Metal-bound forms of DJ-1 were not observed upon treating the cells with excess zinc or copper. No copper binding was observed when co-expressing DJ-1 with the copper chaperone for superoxide dismutase 1 (SOD1). Co-expression of DJ-1 with SOD1 itself did not promote copper binding to SOD1, excluding a previously suggested function of DJ-1 as a copper chaperone. Overall, our data do not support the role of DJ-1 as a metalloprotein. Conversely, oxidative treatment to the cells caused the complete and selective oxidation of C106 to sulfinic acid, consistent with the reported role of DJ-1 as a redox sensor. PMID- 29218632 TI - Further insights into the metal ion binding abilities and the metalation pathway of a plant metallothionein from Musa acuminata. AB - The superfamily of metallothioneins (MTs) combines a diverse group of metalloproteins, sharing the characteristics of rather low molecular weight and high cysteine content. The latter provides MTs with the capability to coordinate thiophilic metal ions, in particular those with a d 10 electron configuration. The sub-family of plant MT3 proteins is only poorly characterized and there is a complete lack of three-dimensional structure information. Building upon our previous results on the Musa acuminata MT3 (musMT3) protein, the focus of the present work is to understand the metal cluster formation process, the role of the single histidine residue present in musMT3, and the metal ion binding affinity. We concentrate our efforts on the coordination of ZnII and CdII ions, using CoII as a spectroscopic probe for ZnII binding. The overall protein-fold is analysed with a combination of limited proteolytic digestion, mass spectrometry, and dynamic light scattering. Histidine coordination of metal ions is probed with extended X-ray absorption fine structure spectroscopy and CoII titration experiments. Initial experiments with isothermal titration calorimetry provide insights into the thermodynamics of metal ion binding. PMID- 29218633 TI - Characterization of the one-electron oxidized Cu(II)-salen complexes with a side chain aromatic ring: the effect of the indole ring on the Cu(II)-phenoxyl radical species. AB - To gain insights into the role of the proximal indole ring in the redox-active metal center as seen in galactose oxidase, we prepared the Cu(II)-salen-type complexes having a pendent indol-3-ylmethyl (1), methyl (2) or benzyl (3) group substituted on the ethylenediamine moiety and investigated the structures and redox properties by various physicochemical methods and theoretical calculations. Neutral complexes 1, 2, and 3 showed no significant difference in the UV-Vis-NIR and EPR spectra. One-electron oxidation of 1, 2, and 3 by addition of 1 equiv. of thianthrenyl radical gave [1]SbCl 6 , [2]SbCl 6 , and [3]SbCl 6 , respectively, which could be assigned to relatively localized phenoxyl radical species. The cyclic and differential pulse voltammograms of [1]SbCl 6 showed two redox waves with a large separation between the first and second redox potentials compared with the separations observed for [2]SbCl 6 and [3]SbCl 6 . This suggests that [1]SbCl 6 is more stabilized than [2]SbCl 6 and [3]SbCl 6 . The NIR band of [1]SbCl 6 showed a larger blue shift than that of [2]SbCl 6 and [3]SbCl 6 . The EPR spectrum of [2]SbCl 6 exhibited an intense signal at the g value of 2 due to partial disproportionation to form the EPR active two-electron oxidized complex [2] 2+ , while the EPR intensity of [1]SbCl 6 was much weaker than that of [2]SbCl 6 . These results indicate that the pendent indole moiety stabilizes the Cu(II)-phenoxyl radical in [1]SbCl 6 most probably by stacking with the phenoxyl moiety, which is further supported by DFT calculations. PMID- 29218634 TI - Walking the seven lines: binuclear copper A in cytochrome c oxidase and nitrous oxide reductase. AB - The enzymes nitrous oxide reductase (N2OR) and cytochrome c oxidase (COX) are constituents of important biological processes. N2OR is the terminal reductase in a respiratory chain converting N2O to N2 in denitrifying bacteria; COX is the terminal oxidase of the aerobic respiratory chain of certain bacteria and eukaryotic organisms transforming O2 to H2O accompanied by proton pumping. Different spectroscopies including magnetic resonance techniques, were applied to show that N2OR has a mixed-valent Cys-bridged [Cu1.5+(CyS)2Cu1.5+] copper site, and that such a binuclear center, called CuA, does also exist in COX. A sequence motif shared between the CuA center of N2OR and the subunit II of COX raises the issue of a putative evolutionary relationship of the two enzymes. The suggestion of a binuclear CuA in COX, with one unpaired electron delocalized between two equivalent Cu nuclei, was difficult to accept originally, even though regarded as a clever solution to many experimental observations. This minireview in honor of Helmut Sigel traces several of the critical steps forward in understanding the nature of CuA in N2OR and COX, and discusses its unique electronic features to some extent including the contributions made by the development of methodology and the discovery of a novel multi-copper enzyme. Left: X-band (9.130 GHz) and C band (4.530 GHz, 1st harmonic display of experimental spectrum) EPR spectra of bovine heart cytochrome c oxidase, recorded at 20K. Right: Ribbon presentation of the CuA domain in cytochrome c oxidase and nitrous oxide reductase. PMID- 29218635 TI - Long-range paramagnetic NMR data can provide a closer look on metal coordination in metalloproteins. AB - Paramagnetic NMR data can be profitably incorporated in structural refinement protocols of metalloproteins or metal-substituted proteins, mostly as distance or angle restraints. However, they could in principle provide much more information, because the magnetic susceptibility of a paramagnetic metal ion is largely determined by its coordination sphere. This information can in turn be used to evaluate changes occurring in the coordination sphere of the metal when ligands (e.g.: inhibitors) are bound to the protein. This gives an experimental handle on the molecular structure in the vicinity of the metal which falls in the so-called blind sphere. The magnetic susceptibility anisotropy tensors of cobalt(II) and nickel(II) ions bound to human carbonic anhydrase II in free and inhibited forms have been determined. The change of the magnetic susceptibility anisotropy is directly linked to the binding mode of different ligands in the active site of the enzyme. Indication about the metal coordination sphere in the presence of an inhibitor in pharmaceutically relevant proteins could be important in the design of selective drugs with a structure-based approach. PMID- 29218636 TI - Incorporation of second coordination sphere D-amino acids alters Cd(II) geometries in designed thiolate-rich proteins. AB - We use a de Novo protein design strategy to demonstrate that the second coordination sphere of a metal site plays a key role in controlling coordination geometries of Cd(II)-tris-thiolate complexes. Specifically, we show that alteration of chirality within the core hydrophobic packing region of a three stranded coiled coil (3SCC) can control the coordination number of Cd(II) by limiting steric encumbrance to the metal center. Within a specific class of 3SCCs [Ac-G-(LKALEEK) n -G-NH2], where n = 4 is TRI and n = 5 is GRAND, one L-Leu may be substituted by L-Cys to generate a planar tris-thiolate array capable of metal binding. In the native peptide containing only the L-configuration of leucine, the three-Cys ligand site leads to a mixture of 3- and 4-coordinate Cd(II). When the L-Leu above (toward the N-terminus) the tris-Cys site is substituted with D Leu, solely a 3-coordinate structure [Cd(II)S3] was obtained. When D-Leu is located below (toward the C-terminus), a mixture of two coordination geometries, presumably Cd(II)S3O and Cd(II)S3O2, is observed, while substitution with D-Leu both above and below the tris-Cys plane yields a higher percentage of 4 coordinate Cd(II)S3O species. Thus, the use of D-amino acids around a metal's coordination sphere provides a powerful tool for controlling the properties of future designed metalloproteins. PMID- 29218638 TI - Celebrating Helmut Sigel. PMID- 29218637 TI - Specific phosphorothioate substitution within domain 6 of a group II intron ribozyme leads to changes in local structure and metal ion binding. AB - Group II introns are large self-splicing ribozymes that require high amounts of monovalent and divalent metal ions for folding and catalysis under in vitro conditions. Domain 6 of these ribozymes contains a highly conserved adenosine whose 2'-OH acts as a nucleophile during self-cleavage via the branching pathway. We have previously suggested a divalent metal ion that binds to the major groove at the GU wobble pair above the branch-A in a minimal, but active branch domain construct (D6-27) from the yeast mitochondrial intron Sc.ai5gamma. Here we characterize metal ion binding to the phosphate oxygens at the branch site. In vitro transcription yielded a D6-27 construct where all R P oxygens of the uridine phosphate groups are replaced by sulfur (alpha-thio-D6-27). We determined its NMR structure, the second RNA-only structure containing thiophosphate groups. [31P] resonances were assigned and chemical shift changes monitored upon titration with Cd2+. In addition, the two uridines flanking the branch-point, U19 and U21 were specifically thioated by chemical synthesis (thio-U19-D6-27 and thio U19/U21-D6-27), enabling us to study Cd2+ binding at the R P-, as well as the S P position of the corresponding phosphate oxygens. Our studies reveal that both non-bridging phosphate oxygens of U19 are involved in metal ion coordination, whereas only the major groove phosphate oxygen of U21 is influenced. Together with NOE data of a hexaamminecobalt(III) titration, this suggests a single metal ion binding site at the GU wobble pair above the branch point in the major groove of D6 of this group II intron ribozyme. PMID- 29218639 TI - Histidine tracts in human transcription factors: insight into metal ion coordination ability. AB - Consecutive histidine repeats are chosen both by nature and by molecular biologists due to their high affinity towards metal ions. Screening of the human genome showed that transcription factors are extremely rich in His tracts. In this work, we examine two of such His-rich regions from forkhead box and MAFA proteins-MB3 (contains 18 His) and MB6 (with 21 His residues), focusing on the affinity and binding modes of Cu2+ and Zn2+ towards the two His-rich regions. In the case of Zn2+ species, the availability of imidazole nitrogen donors enhances metal complex stability. Interestingly, an opposite tendency is observed for Cu2+ complexes at above physiological pH, in which amide nitrogens participate in binding. PMID- 29218640 TI - Oxoiron(IV) complexes as synthons for the assembly of heterobimetallic centers such as the Fe/Mn active site of Class Ic ribonucleotide reductases. AB - Nonheme oxoiron(IV) complexes can serve as synthons for generating heterobimetallic oxo-bridged dimetal complexes by reaction with divalent metal complexes. The formation of FeIII-O-CrIII and FeIII-O-MnIII complexes is described herein. The latter complexes may serve as models for the FeIII-X-MnIII active sites of an emerging class of Fe/Mn enzymes represented by the Class 1c ribonucleotide reductase from Chlamydia trachomatis and the R2-like ligand binding oxidase (R2lox) found in Mycobacterium tuberculosis. These synthetic complexes have been characterized by UV-Vis, resonance Raman, and X-ray absorption spectroscopy, as well as electrospray mass spectrometry. The FeIII-O CrIII complexes exhibit a three-band UV-Vis pattern that differs from the simpler features associated with FeIII-O-FeIII complexes. The positions of these features are modulated by the nature of the supporting polydentate ligand on the iron center, and their bands intensify dramatically in two examples upon the binding of an axial cyanate or thiocyanate ligand trans to the oxo bridge. In contrast, the FeIII-O-MnIII complexes resemble FeIII-O-FeIII complexes more closely. Resonance Raman characterization of the FeIII-O-MIII complexes reveals an 18O sensitive vibration in the range of 760-890 cm-1. This feature has been assigned to the asymmetric FeIII-O-MIII stretching mode and correlates reasonably with the Fe-O bond distance determined by EXAFS analysis. The likely binding of an acetate as a bridging ligand to the FeIII-O-MnIII complex 12 lays the foundation for further efforts to model the heterobimetallic active sites of Fe/Mn enzymes. PMID- 29218641 TI - Mixed guanine, adenine base quartets: possible roles of protons and metal ions in their stabilization. AB - Structural variations of the well-known guanine quartet (G4) motif in nucleic acid structures, namely substitution of two guanine bases (G) by two adenine (A) nucleobases in mutual trans positions, are discussed and studied by density functional theory (DFT) methods. This work was initiated by three findings, namely (1) that GA mismatches are compatible with complementary pairing patterns in duplex-DNA structures and can, in principle, be extended to quartet structures, (2) that GA pairs can come in several variations, including with a N1 protonated adeninium moiety (AH), and (3) that cross-linking of the major donor sites of purine nucleobases (N1 and N7) by transition metal ions of linear coordination geometries produces planar purine quartets, as demonstrated by some of us in the past. Here, possible structures of mixed AGAG quartets both in the presence of protons and alkali metal ions are discussed, and in particular, the existence of a putative four-purine, two-metal motif. PMID- 29218642 TI - Porphyrin-polymer nanocompartments: singlet oxygen generation and antimicrobial activity. AB - A new water-soluble photocatalyst for singlet oxygen generation is presented. Its absorption extends to the red part of the spectrum, showing activity up to irradiation at 660 nm. Its efficiency has been compared to that of a commercial analogue (Rose Bengal) for the oxidation of L-methionine. The quantitative and selective oxidation was promising enough to encapsulate the photocatalyst in polymersomes. The singlet oxygen generated in this way can diffuse and remain active for the oxidation of L-methionine outside the polymeric compartment. These results made us consider the use of these polymersomes for antimicrobial applications. E. coli colonies were subjected to oxidative stress using the photocatalyst-polymersome conjugates and nearly all the colonies were damaged upon extensive irradiation while under the same red LED light irradiation, liquid cultures in the absence of porphyrin or porphyrin-loaded polymersomes were unharmed. PMID- 29218643 TI - Case Presentation Commentary on "Deciding wisely: A case for an effective use of myocardial perfusion imaging". PMID- 29218645 TI - Trajectories of Italian Children's Peer Rejection: Associations with Aggression, Prosocial Behavior, Physical Attractiveness, and Adolescent Adjustment. AB - In the present study, the predictors and outcomes associated with the trajectories of peer rejection were examined in a longitudinal sample of Italian children (338 boys, 269 girls) ages 10 to 14 years. Follow-up assessments included 60% of the original sample at age 16-17. Low, medium, and high rejection trajectory groups were identified using growth mixture models. Consistent with previous studies, we found that (a) being less prosocial and more physically aggressive at age 10 was characteristic of those children with the high rejection trajectory; (b) being less attractive was related to higher peer rejection from age 10 to 14; and (c) boys with a high rejection trajectory showed high levels of delinquency and anxiety-depression and low levels of academic aspiration at age 16-17, whereas girls with a high rejection trajectory showed low levels of academic aspiration and social competence at age 16-17. Our findings indicate the detrimental consequences of peer rejection on children's development and adjustment and shed light on the mechanisms that contribute to maintaining or worsening (e.g., being attractive, prosocial, and aggressive) a child's negative status (e.g., being rejected) within his or her peer group over time. PMID- 29218644 TI - Cardiovascular Complications of Marijuana and Related Substances: A Review. AB - The recreational use of cannabis has sharply increased in recent years in parallel with its legalization and decriminalization in several countries. Commonly, the traditional cannabis has been replaced by potent synthetic cannabinoids and cannabimimetics in various forms. Despite overwhelming public perception of the safety of these substances, an increasing number of serious cardiovascular adverse events have been reported in temporal relation to recreational cannabis use. These have included sudden cardiac death, vascular (coronary, cerebral and peripheral) events, arrhythmias and stress cardiomyopathy among others. Many of the victims of these events are relatively young men with few if any cardiovascular risk factors. However, there are reasons to believe that older individuals and those with risk factors for or established cardiovascular disease are at even higher danger of such events following exposure to cannabis. The pathophysiological basis of these events is not fully understood and likely encompasses a complex interaction between the active ingredients (particularly the major cannabinoid, Delta9-tetrahydrocannabinol), and the endo-cannabinoid system, autonomic nervous system, as well as other receptor and non-receptor mediated pathways. Other complicating factors include opposing physiologic effects of other cannabinoids (predominantly cannabidiol), presence of regulatory proteins that act as metabolizing enzymes, binding molecules, or ligands, as well as functional polymorphisms of target receptors. Tolerance to the effects of cannabis may also develop on repeated exposures at least in part due to receptor downregulation or desensitization. Moreover, effects of cannabis may be enhanced or altered by concomitant use of other illicit drugs or medications used for treatment of established cardiovascular diseases. Regardless of these considerations, it is expected that the current cannabis epidemic would add significantly to the universal burden of cardiovascular diseases. PMID- 29218646 TI - Cardiovascular and Metabolic Complications - Diagnosis and Management in Obese Children. AB - The world at present is facing a burden of rising prevalence of obesity in children and adolescents. The developing countries are particularly facing the dual burden on under-nutrition and obesity. This is associated with appearance and clustering of cardiometabolic abnormalities at an early age with development of chronic complications early and possible decrease in life span of these children and adolescents. In adults this clustering has been termed as 'metabolic syndrome' with definitions that can be used universally. However, in children and adolescents there is no consensus on a uniform definition of metabolic syndrome that can be applicable across the age groups and various ethnicities. Further, as childhood is a period of growth and development, changes in body composition and insulin sensitivity that occur with puberty may influence the thresholds of components used to define metabolic syndrome. Children of South Asian ethnicity appear to be more predisposed to develop abnormalities of metabolic syndrome, possible due to their adverse body fat patterning and genetic influences. The definition of pediatric metabolic syndrome proposed by International Diabetes Federation is useful across different ethnicities. Presence of at least one component of metabolic syndrome should lead to detailed screening for other components and complications. A multimodality approach including therapeutic lifestyle changes targeted at the individual, family and community is essential for management. Pharmacotherapy for individual components may be required if initial management strategies fail to achieve the goals. PMID- 29218648 TI - Pelvic fracture instability-associated L5 transverse process fracture, fact or myth? A systematic review and meta-analysis. AB - PURPOSE: Stable or unstable pelvic ring fractures are sometimes associated with L5 transverse process (TP) fractures. This review aimed to determine the effect of L5 TP fractures on pelvic ring fracture stability. METHODS: We searched electronic databases (including MEDLINE, Google Scholar, and SCOPUS) and performed hand searching of English orthopedics journals and conference abstracts until May 2017. We pooled data from five studies, with a total of 278 patients. RESULTS: Of 28 studies, five were included (four studies involved adult patients, one pediatric population). Of the 278 pelvic fractures (average age 37.33 years; male 132 and female 92), 99 (35.6%) were stable and 179 (64.4%) were unstable (fracture B and C, according to the Tile classification). Sixty-seven (24.1%) were cases with L5 TP, and 211 (75.9%) were cases without L5 TP fracture. The typical causes of injury were road traffic accident (59.2%), fall from height (23.6%), and crush injuries and injuries by heavy objects (17.2%). The pooled odds ratio (OR) of L5 TP between the stable and unstable groups calculated with random effect analysis was 0.418 (0.083-2.108; p = 0.291); after excluding the study on a pediatric population, the pooled OR was 0.349 (0.056-2.159; p = 0.258). CONCLUSIONS: L5 TP fractures may indicate high-energy trauma; however, no relationship between L5 TP fractures and pelvic ring fracture stability exists. LEVEL OF EVIDENCE: Prognostic Level IV. PMID- 29218649 TI - Treatment of flexor tendon reconstruction failures: multicentric experience with Brunelli active tendon implant. AB - INTRODUCTION: Secondary repair of flexor tendon injuries remain a challenging procedure for hand surgeons. Usually, secondary reconstruction should be performed by staged approach. When the tendon and pulley integrity are intact, tenolysis may be the first surgical option. One-/two-stage tendon grafts are suggested when the integrity of flexor tendon is compromised. Active tendon implants (Brunelli prostheses) may represent an efficient option in patients with a poor prognosis, as well as whenever classical techniques fail. Due to lack of literature about this second-line treatment, the authors present the experience of two different orthopedic departments with the permanent active tendon implant. MATERIALS AND METHOD: Nineteen consecutive patients with failed previous flexor tendons repairs were treated with active tendon implants between 2000 and 2011. The functional outcome of the patients was examined with a mean follow-up of 5.6 years, using Strickland assessment and QuickDASH. RESULTS: In 16 cases, the tendon implants were well tolerated and patients resulted satisfied with a QuickDASH score less than 33. Strickland score was fair to excellent in 10 patients. We registered adhesion complications in 3 cases. CONCLUSION: We can conclude that these prostheses represent an alternative to biological reconstructions and a potentially permanent procedure in complicated flexor tendon injuries. LEVEL OF EVIDENCE: Multicentric case series, Level IV. PMID- 29218650 TI - Structural Characterization and In Vitro Antitumor Activity of a Novel Exopolysaccharide from Lachnum YM130. AB - Exopolysaccharide of Lachnum YM130 (LEP) was purified by diethylaminoethyl cellulose 52 and Sepharose CL-6B column chromatography. LEP-2a was identified to be a homogeneous component with an average molecular weight of 1.31 * 106 Da, which was consisted of mannose and galactose in a molar ratio of 3.8:1.0. The structure of LEP-2a was characterized by methylation analysis, FT-IR analysis, and NMR analysis. Results indicated that LEP-2a was a galactomannan with a backbone, composed of 1,2-linked-alpha-D-Manp, 1,2,6-linked-alpha-D-Manp, 1,3,4 linked-alpha-D-Manp, and 1,3-linked-beta-D-Galp, which was substituted at O-2, O 3, O-4, and O-6 by branches. In vitro antitumor activity assay proved that LEP-2a could significantly enhance the inhibitory effectiveness of 5-FU on Hela cells at the concentrations of 100, 200, 300, and 400 MUg/mL. The above results suggested that LEP-2a could be seen as a potential source for developing novel antineoplastic agents. PMID- 29218651 TI - Increasing hip fracture rates among older adults in Ecuador: analysis of the National Hospital Discharge System, 1999-2016. AB - : The Ecuadorian hospital discharge system examined trends in hip fracture hospitalization rates among older adults. A significant upward trend in hip fracture rates occurred in both genders over the study period. INTRODUCTION: Previous research has reported increasing hip fracture rates in Ecuador. Thus, this study aimed to extend previous findings by examining the nationwide incidence of hip fractures among adults aged 65 years and older between 1999 and 2016. A secondary objective was to compare hip fracture trends among older Ecuadorians with their counterparts in the United States (U.S.). METHODS: The National Hospital Discharge System and the Healthcare Cost and Utilization Project net were assessed to identify older adults hospitalized with a principal diagnosis of hip fractures in Ecuador and the U.S., respectively. The Joinpoint regression analysis software was used to examine the average annual percent change in hip fracture rates. RESULTS: A total of 20,091 adults with a mean age of 82.3 (SD 8.1) years were hospitalized with a principal diagnosis of hip fractures during the study period. After an adjustment for age, hip fracture rates increased annually on average by 4.6% (95% CI 3.8%, 5.4%) from 96.4/100,000 in 1999 to 173.1/100,000 persons in 2016. Between 1999 and 2014, hip fracture age adjusted rates decreased on average by - 2.5% (95% CI - 2.7%, - 2.3%) among older adults in the U.S. while hip fracture rates steadily increased by 4.6% (95% CI, 3.6%, 5.7%) per year in their Ecuadorian counterparts. CONCLUSIONS: Hip fracture rates markedly increased among older adults in Ecuador. The present findings should alert public health authorities to implement policies of osteoporosis awareness and prevention in Ecuador. PMID- 29218652 TI - Metastasis suppressor 1 (MTSS1) expression is associated with reduced in-vivo metastasis and enhanced patient survival in lung adenocarcinoma. AB - Metastasis suppressor 1 (MTSS1) has been shown to be a metastasis suppressor in a number of cancers. However, its role in lung adenocarcinoma is largely unknown. To evaluate the significance of MTSS1 expression on lung adenocarcinoma metastatic properties, the gain or loss of MTSS1 in in vivo and in vitro experiments were employed. Using an in vivo orthotopic mouse xenograft model mimicking human disease progression, stable overexpression of MTSS1 in lung adenocarcinoma cells resulted in a significant decrease in metastatic burden. Stable overexpression of MTSS1 in NCI-H1299 decreased in vitro lung adenocarcinoma invasion and migration while knockdown of MTSS1 in A549 resulted in a significant increase in cell invasion and migration. Using The Cancer Genome Atlas dataset of over 500 patient lung adenocarcinoma specimens, we demonstrated a 20% increase in 5-year survival associated with preserved intratumoral MTSS expression. MTSS1 expression in lung adenocarcinoma is associated with decreased metastatic burden, as assessed by an in vivo orthotopic model, and correlates with a 20% survival advantage at 5 years following diagnosis. In vitro data suggests MTSS1 regulates lung adenocarcinoma through augmentation of cell invasion and migration. PMID- 29218653 TI - Differential Diagnosis of Pancreatic Epidermoid Cyst Without a Solid Component (Residual Splenic Tissue) vs. Mucinous Cystic Neoplasm. AB - PURPOSE: The purpose of this study was to clarify whether there are differences in imaging findings between pancreatic epidermoid cyst (EDC) without a solid component (residual splenic tissue) and mucinous cystic neoplasm (MCN). MATERIALS AND METHODS: The study group consisted of histologically proven EDC (eight cases) and MCN (20 cases). CT and MRI findings were compared on the following imaging findings: the shape of the cystic lesions and the presence or absence of septum, calcification, and high-intensity fluid on T1- and diffusion-weighted images (b factor = 1000). The degree of contact with the pancreatic tail was compared between the EDCs and six of the MCNs at the edge of the pancreatic tail. RESULTS: The EDCs were round (n = 3) or oval (n = 5), while the MCNs consisted of three round, five oval, six pear-like, and six multilobulated lesions (P < 0.05). Septum was present in 4 of 8 (50%) EDCs and 19 of 20 (95%) MCNs (P < 0.05). The presence of calcification (2 of 8 [25%] EDCs vs. 8 of 20 [40%] MCNs), high intensity fluid on T1-weighted images (2 of 7 [29%] EDCs vs. 5 of 20 [25%] MCNs), and high-intensity fluid on diffusion-weighted images (5 of 7 [71%] EDCs vs. 5 of 20 [25%] MCNs) were not significantly different. The degree of contact with the pancreatic parenchyma was similar between the two types of lesions. CONCLUSION: Although the imaging findings for EDC without a solid component and MCN overlap, a pear-like or multilobulated shape may favor a diagnosis of MCN. PMID- 29218654 TI - miR-200c as a Predictive Biomarker for 5-Fluorouracil Chemosensitivity in Colorectal Cancer. PMID- 29218655 TI - A Rare Case of a Metastatic Gastrointestinal Stromal Tumor (GIST): a Case Report and Review of the Literature. PMID- 29218656 TI - Multipath Curved Planar Reformations of Peripheral CT Angiography: Diagnostic Accuracy and Time Efficiency. AB - OBJECTIVES: To compare diagnostic performance and time efficiency between 3D multipath curved planar reformations (mpCPRs) and axial images of CT angiography for the pre-interventional assessment of peripheral arterial disease (PAD), with digital subtraction angiography as the standard of reference. METHODS: Forty patients (10 females, mean age 72 years), referred to CTA prior to endovascular treatment of PAD, were prospectively included and underwent peripheral CT angiography. A semiautomated toolbox was used to render mpCPRs. Twenty-one arterial segments were defined in each leg; for each segment, the presence of stenosis > 70% was assessed on mpCPRs and axial images by two readers, independently, with digital subtraction angiography as gold standard. RESULTS: Both readers reached lower sensitivity (Reader 1: 91 vs. 94%, p = 0.08; Reader 2: 89 vs. 93%, p = 0.03) but significantly higher specificity (Reader 1: 94 vs. 89%, p < 0.01; Reader 2: 96 vs. 95%, p = 0.01) with mpCPRs than with axial images. Reader 1 achieved significantly higher accuracy with mpCPRs (93 vs. 91%, p = 0.02), and Reader 2 had similar overall accuracy in both evaluations (94 vs. 94%, p = 0.96). Both readers read mpCPRs significantly faster than axial images (Reader 1: 5'45" based on mpCPRs vs. 7'40" based on axial images; Reader 2: 4'41" based on mpCPRs vs. 6'57" based on axial images; p < 0.01). CONCLUSIONS: mpCPRs are a promising 3D reformation technique that facilitates a fast assessment of PAD with high diagnostic accuracy. PMID- 29218657 TI - Comparison of laparoscopic jejunostomy tube to percutaneous endoscopic gastrostomy tube with jejunal extension: long-term durability and nutritional outcomes. AB - INTRODUCTION: Enteral access through the jejunum is indicated when patients cannot tolerate oral intake or gastric feeding. While multiple approaches for feeding jejunal access exist, few studies have compared the efficacy of these techniques. The purpose of this study was to investigate the long-term durability, re-intervention rates, and nutritional outcomes following percutaneous endoscopic gastrostomy tubes with jejunal extension tubes (PEG-JET) versus laparoscopic jejunostomy tubes (j-tubes). METHODS: Retrospective chart review was performed on all patients who underwent PEG-JET or laparoscopic jejunostomy tube placement from January 2005 through December 2015 at our institution. Thirty-day and long-term outcomes were compared between the two groups. RESULTS: A total of 105 patients underwent PEG-JET and 307 patients underwent laparoscopic j-tube placement during the defined study period. In terms of 30-day outcomes, patients who underwent PEG-JET placement were significantly more likely to experience a tube dislodgement event (p = 0.005) and undergo a re intervention (p < 0.001). Patients who had a laparoscopic j-tube placed were significantly more likely to meet their enteral feeding goals (p = 0.002) and less likely to require nutritional supplementation with total parenteral nutrition (TPN) (p < 0.001). With regard to long-term outcomes, patients who underwent PEG-JET placement were significantly more likely to experience tube occlusion (p < 0.001) and require an endoscopic or surgical tube re-intervention (p < 0.001). Patients who underwent laparoscopic j-tube placement were significantly more likely to experience a tube site leak (p = 0.015) but were less likely to require nutritional supplementation with TPN (p = 0.001). CONCLUSION: Laparoscopic jejunostomy tubes provide more durable long-term enteral access compared to PEG-JET. Consideration should be given to laparoscopic jejunostomy tube placement in eligible patients who cannot tolerate oral intake or gastric enteral feeding. PMID- 29218658 TI - Hypopharyngeal multichannel intraluminal impedance leads to the promising outcome of antireflux surgery in Japanese population with laryngopharyngeal reflux symptoms. AB - BACKGROUND: Clinical characteristics of laryngopharyngeal reflux (LPR) in Japanese population remain unclear, and its treatment outcome is suboptimal. The objectives of this study were to evaluate Japanese patients with LPR symptoms using hypopharyngeal multichannel intraluminal impedance (HMII) and to assess the outcome of antireflux surgery (ARS). METHODS: Subjects included patients who had LPR symptoms for > 12 weeks or laryngoscopic findings suggestive of LPR and underwent laryngoscopy and esophageal testing including HMII. Abnormal proximal exposure (APE) was defined as LPR >= 1/day and/or full column reflux (FCR) (reflux 2 cm distal to the upper esophageal sphincter) >= 5/day on HMII. Patients with APE were offered ARS and the outcome of ARS was objectively assessed using Reflux Symptom Index (RSI). RESULTS: From July 2015 to September 2016, 52 patients with LPR symptoms (28 men, 24 women, median BMI 22.3) underwent HMII, and 38 patients (73%) had APE. Of them, 29 (76%) patients were not obese (BMI < 25) and 19 (50%) patients had a negative DeMeester score. Approximately one-third of LPR and FCR events were non-acid in the distal esophagus. A positive symptom association probability was seen only in 18 patients (35%). Mild esophagitis and hiatal hernia were found in 5 (10%) and 23 (48%) patients, respectively. All 12 patients (100%) who had undergone ARS were able to discontinue PPI and had a significant improvement in the RSI scores postoperatively (22.9 +/- 10.0 vs. 6.8 +/- 6.8, p < .001). CONCLUSIONS: APE was frequently observed in Japanese patients with LPR symptoms. Obesity and esophagitis were uncommon in this population. Since a large number of patients with APE had negative DeMeester score and proximal reflux events were often non-acid, a conventional pH monitoring is insufficient. HMII is crucial to evaluate patients with LPR symptoms as the documentation of APE is a key for successful outcome of ARS. PMID- 29218659 TI - Single-site robotic-assisted laparoscopic cholecystectomy in children and adolescents: a report of 20 cases. AB - BACKGROUND: Single-site laparoscopy is increasingly popular for straightforward operations like appendectomy. Due to limited triangulation and maneuverability, single-site cholecystectomy is riskier and more difficult. Robotics offer to make it easier and safer. METHODS: Twenty children and adolescents underwent robotic assisted single-site cholecystectomy at a large academic children's hospital. Patients were not randomized; patients were offered the option of robotic assisted single-site (SSR) or standard four-incision laparoscopic (LAP) cholecystectomy. Demographics and perioperative details were compared with those of a comparable cohort who underwent LAP during the same period. RESULTS: The two groups were similar in physical characteristics and indications for operation. The robotic operations took longer but both groups received similar PRN doses of parenteral opiates. Patients in the SSR group were all discharged on the first postoperative day. There were no major complications in either group but a slightly higher incidence of minor wound complications in the SSR group. CONCLUSION: Robotic-assisted single-site cholecystectomy appears to be a safe alternative to standard laparoscopy with a similar postoperative pain profile, short postoperative lengths of stay, and, for some, a superior cosmetic result. Nevertheless, it comes with longer set-up and operative times, a higher incidence of minor wound complications, an unknown but possibly higher risk of incisional hernia, and higher costs. PMID- 29218660 TI - How bariatric surgery affects liver volume and fat density in NAFLD patients. AB - INTRODUCTION: Nonalcoholic fatty liver disease (NAFLD) is an epidemic in the obese population. Bariatric surgery is known to reverse multiple metabolic complications of obesity such as diabetes, dyslipidemia, and NAFLD, but the timing of liver changes has not been well described. MATERIALS AND METHODS: This was an IRB-approved, two-institutional prospective study. Bariatric patients received MRIs at baseline and after a pre-operative liquid diet. Liver biopsies were performed during surgery and if NAFLD positive, the patients received MRIs at 1, 3, and 6 months. Liver volumes and proton-density fat fraction (PDFF) were calculated from offline MRI images. Primary outcomes were changes in weight, body mass index (BMI), percent excess weight loss (EWL%), liver volume, and PDFF. Resolution of steatosis, as defined as PDFF < 6.4% based on previously published cutoffs, was assessed. Secondarily, outcomes were compared between patients who underwent laparoscopic sleeve gastrectomy (LSG) versus laparoscopic Roux-en-Y gastric bypass (LRYGB). RESULTS: From October 2010 to June 2015, 124 patients were recruited. 49 patients (39.5%) completed all five scans. EWL% at 6 months was 55.6 +/- 19.0%. BMI decreased from 45.3 +/- 5.9 to 34.4 +/- 5.1 kg/m2 and mean liver volume decreased from 2464.6 +/- 619.4 to 1874.3 +/- 387.8 cm3 with a volume change of 21.4 +/- 11.4%. PDFF decreased from 16.6 +/- 7.8 to 4.4 +/- 3.4%. At 6 months, 83.7% patients had resolution of steatosis. Liver volume plateaued at 1 month, but PDFF and BMI continued to decrease. There were no statistically significant differences in liver volume or PDFF reduction from baseline to 6 months between the LSG versus LRYGB subgroups. CONCLUSION: Patients with NAFLD undergoing bariatric surgery can expect significant decreases in liver volume and hepatic steatosis at 6 months, with 83.7% of patients achieving resolution of steatosis. Liver volume reduction plateaus 1-month post-bariatric surgery, but PDFF continues to decrease. LSG and LRYGB did not differ in efficacy for inducing regression of hepatosteatosis. PMID- 29218662 TI - Laparoscopic removal of retroperitoneal tumor with maneuver of hanging inferior vena cava. AB - BACKGROUND: Laparoscopic resection of retroperitoneal mass is challenging because of its location close to major vessels and a limited range of laparoscopic instruments [1-3]. We report a case of a huge retroperitoneal paraganglioma that was successfully excised laparoscopically using maneuver of hanging IVC METHOD: A 67-year-old female had abdominal mass detected during routine check-up. She had no symptoms associated mass. Hematologic, biochemical investigations, and hormone tests reveal normal results. Preoperative CT shows retroperitoneal tumor, measuring 6.1 cm in diameter, which was closely adhered to right adrenal gland and seemed to originate from adrenal gland. Three 12-mm trocars and two 5-mm trocars were used. Laparoscopic views showed that severe adhesion in peritoneal cavity due to previous subtotal gastrectomy for gastric polyp about 30 years ago. After adhesiolysis, the mass was visualized behind inferior vena cava. The mass was carefully dissected and separated from duodenum and inferior vena cava as well as right adrenal gland. Inferior vena cava was retracted with hanging maneuver of IVC with vascular tape. The fibrotic tissues covering the mass were dissected with ligasureTM. The feeding vessels supplying mass were identified and clipped, then subsequently sealed and divided. After complete resection of mass, the specimen was inserted into plastic retrieval bag and extracted via extended umbilical port. And then Jackson Pratt drain was placed around inferior vena cava. RESULT: There was no intraoperative transfusion and complications during laparoscopic retroperitoneal excision for paraganglioma. The operation time was 190 min, and estimated blood loss was 100 ml. The patient was discharged on postoperative 5th day without complications. Final pathologic result was paraganglioma of 7.5 cm sized with PASS score 4 (pheochromocytoma of the adrenal gland scaled score). CONCLUSION: Laparoscopic surgery for huge retroperitoneal paraganglioma behind IVC was successfully performed with the maneuver of hanging IVC. This procedure could be useful with appropriate laparoscopic technique and proper patient selection. PMID- 29218661 TI - The SAGES Fundamental Use of Surgical Energy program (FUSE): history, development, and purpose. AB - BACKGROUND: Adverse events due to energy device use in surgical operating rooms are a daily occurrence. These occur at a rate of approximately 1-2 per 1000 operations. Hundreds of operating room fires occur each year in the United States, some causing severe injury and even mortality. The Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) therefore created the first comprehensive educational curriculum on the safe use of surgical energy devices, called Fundamental Use of Surgical Energy (FUSE). This paper describes the history, development, and purpose of this important training program for all members of the operating room team. METHODS: The databases of SAGES and the FUSE committee as well as personal photographs and documents of members of the FUSE task force were used to establish a brief history of the FUSE program from its inception to its current status. RESULTS: The authors were able to detail all aspects of the history, development, and national as well as global implementation of the third SAGES Fundamentals Program FUSE. CONCLUSIONS: The written documentation of the making of FUSE is an important contribution to the history and mission of SAGES and allows the reader to understand the idea, concept, realization, and implementation of the only free online educational tool for physicians on energy devices available today. FUSE is the culmination of the SAGES efforts to recognize gaps in patient safety and develop state-of-the-art educational programs to address those gaps. It is the goal of the FUSE task force to ensure that general FUSE implementation becomes multinational, involving as many countries as possible. PMID- 29218663 TI - Laparoscopic extended cholecystectomy for T3 gallbladder cancer. AB - BACKGROUND: Gallbladder cancer (GBC) has been contraindicated for laparoscopic surgery since this procedure was introduced [1, 2]. Recently, however, there have been several reports of laparoscopic extended cholecystectomy for GBC, but most cases involved early GBC confined to the GB [3, 4]. This video describes our technique of laparoscopic extended cholecystectomy for T3 GBC. METHODS: A 77-year old female presented with a gallbladder mass, which was incidentally detected during evaluation of back pain. Abdominal computed tomography and endoscopic ultrasonography revealed a 3.5 * 2.5 cm hypoechoic mass in the gallbladder fundus with liver invasion. We performed laparoscopic en bloc resection of the gallbladder and the gallbladder bed, as well as lymphadenectomy. RESULTS: Two 5 mm and three 12-mm trocars were used. After carefully dissecting Calot's triangle, the cystic duct was dissected and ligated. The cystic duct margin was negative on the frozen section biopsy. Cholecystectomy with en bloc wedge resection of the liver was performed first. Ultrasonic shears were used to transect the superficial hepatic parenchyma and a Cavitron Ultrasonic Surgical Aspirator was used to transect the deeper parenchyma. We then performed lymphadenectomy of involved lymph nodes (LNs) around the hepatoduodenal ligament, common hepatic artery, and posterior superior pancreas. After Kocherization of the duodenum, LNs were dissected from the posterior superior portion of the pancreas. LN dissection continued along the right side of the common bile duct and the portal vein. After dissection from the inferior vena cava and the aorta, the dissected LNs were pushed toward the left side under the portal vein. LN dissection continued along the left side of the hepatoduodenal ligament, while exposing the common hepatic artery and proper hepatic artery. Skeletonizing en bloc LN dissection was the final procedure. The operation time was 215 min and the estimated intraoperative blood loss was 200 mL. The postoperative pathology confirmed a small cell neuroendocrine carcinoma with clear resection margins. The pathologic staging was pT3N1. LN metastasis was found in one of 12 retrieved LNs. The patient was discharged on postoperative day 4 without postoperative complications. The patient received combined chemoradiation therapy for 6 months after surgery. There was no evidence of recurrence over the follow-up period of 14 months. CONCLUSION: Laparoscopic extended cholecystectomy is technically feasible in patients with T3 GBC, and the extent of resection is the same as that of open surgery. PMID- 29218664 TI - Cost-effectiveness of per oral endoscopic myotomy relative to laparoscopic Heller myotomy for the treatment of achalasia. AB - BACKGROUND: Per oral endoscopic myotomy (POEM) has recently emerged as a viable option relative to the classic approach of laparoscopic Heller myotomy (LHM) for the treatment of esophageal achalasia. In this cost-utility analysis of POEM and LHM, we hypothesized that POEM would be cost-effective relative to LHM. METHODS: A stochastic cost-utility analysis of treatment for achalasia was performed to determine the cost-effectiveness of POEM relative to LHM. Costs were estimated from the provider perspective and obtained from our institution's cost-accounting database. The measure of effectiveness was quality-adjusted life years (QALYs) which were estimated from direct elicitation of utility using a visual analog scale. The primary outcome was the incremental cost-effectiveness ratio (ICER). Uncertainty was assessed by bootstrapping the sample and computing the cost effectiveness acceptability curve (CEAC). RESULTS: Patients treated within an 11 year period (2004-2016) were recruited for participation (20 POEM, 21 LHM). During the index admission, the mean costs for POEM ($8630 +/- $2653) and the mean costs for LHM ($7604 +/- $2091) were not significantly different (P = 0.179). Additionally, mean QALYs for POEM (0.413 +/- 0.248) were higher than that associated with LHM (0.357 +/- 0.338), but this difference was also not statistically significant (P = 0.55). The ICER suggested that it would cost an additional $18,536 for each QALY gained using POEM. There was substantial uncertainty in the ICER; there was a 48.25% probability that POEM was cost effective at the mean ICER. At a willingness-to-pay threshold of $100,000, there was a 68.31% probability that POEM was cost-effective relative to LHM. CONCLUSIONS: In the treatment of achalasia, POEM appears to be cost-effective relative to LHM depending on one's willingness-to-pay for an additional QALY. PMID- 29218665 TI - Benefits of laparoscopic liver resection in patients with hepatocellular carcinoma and portal hypertension: a case-matched study. AB - BACKGROUND: The advantages of laparoscopy over open liver resection in patients with cirrhosis have been widely demonstrated. On the other hand, information on the role of minimally invasive liver surgery in the presence of clinically significant portal hypertension (CSPH) is scarce. The aim of this study was to evaluate the role of laparoscopic liver resection in selected cirrhotic patients with CSPH. METHODS: A retrospective case-control study of cirrhotic patients with hepatocellular carcinoma who were treated with laparoscopic liver resection was conducted from December 2005 to April 2016. A total of 45 patients were included. Patients were divided into two groups according to the presence or absence of clinically significant portal hypertension. Fifteen cirrhotic patients with CSPH were matched with 30 patients without CSPH. RESULTS: Overall, there were no differences in intraoperative results. No conversion to open surgery occurred in the CSPH group, and 3 patients were converted in the Non-CSPH group (0 vs. 10% p = 0.57). Only 2 (7%) patients in the Non-CSPH group and 1 (7%) in the CSPH group had relevant complications (modified Clavien-Dindo classification III). Two patients in the Non-CSPH group and one in the CSPH group developed transient ascites (7 vs. 7%). Postoperative hospital stay was similar in both groups, with a median of 4 days in the CSPH group and 3 days in the Non-CSPH group (p = 0.37). The median follow-up of the entire cohort was 38 months (range 7-100). Overall survival rates at 1 and 3 years were 100 and 87%, respectively. There was no significant difference between the groups in terms of survival (p = 0.8). CONCLUSION: This initial study showed that laparoscopic resection in patients with CSPH can be performed safely in well-selected patients and expand the current surgical indications in patients with CSPH. Prospective trials with a larger sample size are necessary to confirm these results. PMID- 29218666 TI - Transition from laparoscopic to retroperitoneoscopic approach for live donor nephrectomy. AB - BACKGROUND: Laparoscopic donor nephrectomy has become the standard of care due to multiple benefits. Currently, there are various techniques employed with two different approaches: transperitoneal (TLDN) or retroperitoneoscopic (RLDN) approach. There is a lack of data to determine which technique is superior, although the RLDN offers an anatomical advantage by avoidance of manipulation of the intraperitoneal organs. The aims of this study were to explore the merits of RLDN to TLDN and assess the learning curve of transition from TLDN to RLDN. METHODS: From January 2010 to February 2017, 106 live donor nephrectomies were performed: 56 by TLDN and 50 by RLDN. Data on patient demographics, perioperative parameters, analgesic consumption, pain scores, and kidney graft function were collected and analysed. Data were compared with a Student's t test or Mann Whitney test. A CUSUM analysis was performed to investigate the learning curve. RESULTS: All live donor nephrectomies were successful with no conversion to open surgery. There was no blood transfusion, readmission, or mortality. No postoperative complications were graded over Clavien II. Kidney function was comparable in both groups. The follow-up period ranged from 3 to 78 months. CONCLUSION: Retroperitoneoscopic live donor nephrectomy is a safe approach with comparable results to TLDN. RLDN has an anatomical advantage as it avoids manipulating the intraperitoneal organs and retains a virgin abdomen and hence translates to a lower perioperative complication risk. PMID- 29218667 TI - The NOVEL trial: natural orifice versus laparoscopic cholecystectomy-a prospective, randomized evaluation. AB - INTRODUCTION: The evolution of Natural Orifice Translumenal Endoscopic Surgery(r) (NOTES(r)) represents a case study in surgical procedural evolution. Beginning in 2004 with preclinical feasibility studies, and followed by the creation of the NOSCAR(r) collaboration between The Society of American Gastrointestinal and Endoscopic Surgeons and the American Society for Gastrointestinal Endoscopy, procedural development followed a stepwise incremental pathway. The work of this consortium has included white paper analyses, obtaining outside independent funding for basic science and procedural development, and, ultimately, the initiation of a prospective randomized clinical trial comparing NOTES(r) cholecystectomy as an alternative procedure to laparoscopic cholecystectomy. METHODS: Ninety patients were randomized into a randomized clinical trial with the primary objective of demonstrating non-inferiority of the transvaginal and transgastric arms to the laparoscopic arm. In the original trial design, there were both transgastric and transvaginal groups to be compared to the laparoscopic control group. However, after enrollment and randomization of 6 laparoscopic controls and 4 transgastric cases into the transgastric group, this arm was ultimately deemed not practical due to lagging enrollment, and the arm was closed. Three transgastric via the transgastric approach were performed in total with 9 laparoscopic control cases enrolled through the TG arm. Overall a total of 41 transvaginal and their 39 laparoscopic cholecystectomy controls were randomized into the study with 37 transvaginal and 33 laparoscopic cholecystectomies being ultimately performed. Overall total operating time was statistically longer in the NOTES(r) group: 96.9 (64.97) minutes versus 52.1 (19.91) minutes. RESULTS: There were no major adverse events such as common bile duct injury or return to the operating room for hemorrhage. Intraoperative blood loss, length of stay, and total medication given in the PACU were not statistically different. There were no conversions in the NOTES(r) group to a laparoscopic or open procedure, nor were there any injuries, bile leaks, hemorrhagic complications, wound infections, or wound dehiscence in either group. There were no readmissions. Visual Analogue Scale (VAS) pain scores were 3.4 (CI 2.82) in the laparoscopic group and 2.9 (CI 1.96) in the transvaginal group (p = 0.41). The clinical assessment on cosmesis scores was not statistically different when recorded by clinical observers for most characteristics measured when the transvaginal group was compared to the laparoscopic group. Taken as a whole, the results slightly favor the transvaginal group. SF-12 scores were not statistically different at all postoperative time points except for the SF-12 mental component which was superior in the transvaginal group at all time points (p < 0.05). CONCLUSION: The safety profile for transvaginal cholecystectomy demonstrates that this approach is safe and produces at least non-inferior clinical results with superior cosmesis, with a transient reduction in discomfort. The transvaginal approach to cholecystectomy should no longer be considered experimental. As a model for intersociety collaboration, the study demonstrated the ultimate feasibility and success of partnership as a model for basic research, procedural development, fundraising, and clinical trial execution for novel interventional concepts, regardless of physician board certification. PMID- 29218668 TI - Early laparoscopic adhesiolysis for small bowel obstruction: retrospective study of main advantages. AB - BACKGROUND: The problem of managing adhesional small bowel obstruction (ASBO) is still unsolved. A conservative medical attitude is privileged even if it is associated to a high rate of recurrences, while surgery is applied to cases showing no improvement after 48-72 h. Adhesiolysis via laparotomy has been the standard surgical management, but it causes other adhesions in a vicious circle. The aim of the study is to evaluate the advantages of early laparoscopic adhesiolysis as an alternative approach. METHODS: From January 2010 to April 2017, 107 patients were admitted with a diagnosis of ASBO. Patients underwent medical treatment, early surgery, emergency surgery or delayed surgery after failure of medical treatment. A retrospective review and explorative statistical analysis were performed using graphical diagnostic plots, Mann-Whitney (MW) test, Kolmogorov-Smirnov (KS) test, exact binomial test, and chi 2 test. RESULTS: Medical treatment led to resolution in the 77.3% of cases, but patients exhibit much more recurrences than those in the surgical group (chi 2 p < .001). They also show a longer fasting time (MW p = .027; KS p = .102), a doubled number of radiological exams (MW p < .001; KS p < .001), and more major complications than those in the early surgery group. Early surgery group is associated to shorter fasting time (MW p < .001; KS p < .001), much shorter hospital stay (MW p < .001; KS p = .002) and a smaller number of radiological exams (MW p = .005; KS p = .002) compared with delayed surgery group. The laparoscopic group shows significantly earlier regain of intestinal transit (MW p < .001; KS p = .002), shorter fasting time (MW p = .002; KS p = .008), reduced number of radiological exams (MW p = .003; KS p = .014), reduced hospital stay (MW p < .001; KS p = .005), and no more complications than the open surgery group. CONCLUSIONS: Early laparoscopic surgery can be proposed as an effective alternative treatment for ASBO. PMID- 29218669 TI - Laparoscopy as a useful selection tool for patients with prior surgery and peritoneal metastases suitable for multimodality treatment strategies. AB - BACKGROUND: Complete macroscopic cytoreduction in patients with peritoneal carcinomatosis (PC) is the basic requirement for long-term survival. Diagnostic laparoscopy (DL) can be difficult and of limited clinical value secondary to postoperative or tumor-induced adhesions. The aim of this study was to evaluate the role of DL in patients with prior surgery and PC. METHODS: The database of the surgical department of the University Medical Center of Regensburg was reviewed (9/2010-10/2014) selecting for DL in patients with PC. The operative report had a standardized format allowing for the determination of the extent of the intra-abdominal visible area and the extent of tumor on the surface of the small intestine. For the classification we used our own developed score. RESULTS: DL was performed in 102 patients. The complete abdominal cavity was evaluable in 48%. At least two quadrants and the largest part of the small intestine could be assessed in 70%. 37% of the patients had massive tumor manifestation on the small intestine or its mesentery. PCI (Peritoneal Cancer Index) could not be calculated in 71% of the patients due to incomplete visualization of the abdominal cavity and/or multiple tumor manifestations on the small intestine. 54% of patients were classified as non-resectable and 85% who seemed suitable for cytoreductive surgery underwent a CCR-0 resection and HIPEC. CONCLUSIONS: In spite of prior surgery and PC, DL is frequently possible and a useful tool to define the extent of tumor spread. Lots of patients can be prevented from needless open laparotomy. The extent of tumor involvement of the small intestine seems to be more relevant than calculation of the PCI to determine the potential for complete resection. Therefore, in the presence of adhesions, inspection of the complete abdominal cavity does not offer added clinical benefit and further adhesiolysis can be avoided. PMID- 29218670 TI - Systematic review of robotic low anterior resection for rectal cancer. AB - BACKGROUND: Potential advantages of robotic surgery, such as 3-dimensional high definition vision, wrist-like movements of instruments, stable camera holding, motion filter for tremor-free surgery, and improved ergonomics, may provide better clinical, oncological, and functional outcomes in rectal cancer surgery, as suggested in many comparative studies. However, there has not been a systematic review specific to LAR/TME for rectal cancer that includes both robotic versus laparoscopic and robotic versus open comparative studies. METHODS: The PubMed and Scopus databases were systematically searched in a two-step process, first for all robotic publications, and then within those results, for studies that compared perioperative, oncologic, or functional outcomes of robotic versus laparoscopic or open LAR/TME. Randomized controlled trials, systematic reviews, and independent database population studies were included in the analysis. RESULTS: Thirteen publications reporting on 24,526 patients met the inclusion criteria. Two studies compared robotic and open surgery, ten compared robotic and laparoscopic surgery, and one study compared all three. Robotic surgery resulted in increased operating times, reduced blood loss, fewer transfusions, shorter hospital stay, and comparable oncologic outcomes versus open surgery, and reduced conversion and impotency rates versus laparoscopic surgery. CONCLUSIONS: Robotic surgery is comparable to open and laparoscopic surgery concerning oncologic outcomes and seems to provide some clinical and functional benefits, although evidence is limited. PMID- 29218671 TI - Robotic versus laparoscopic right colectomy: an updated systematic review and meta-analysis. AB - BACKGROUND: In the right colon surgery, there is a growing literature comparing the safety of robotic right colectomy (RRC) to that of laparoscopic right colectomy (LRC). With this paper we aim to systematically revise and meta-analyze the latest comparative studies on these two minimally invasive procedures. METHODS: A systematic review of studies published from 2000 to 2017 in the PubMed, Scopus, and Embase databases was performed. Primary endpoints were postoperative morbidity and mortality. Secondary endpoints were blood loss, conversion to open surgery, harvested lymph node anastomotic leak, postoperative hemorrhage, abdominal abscess, postoperative ileus, time to first flatus, non surgical complications, wound infections, hospital stay, and incisional hernia and costs. A subgroup analysis was performed on those series presenting only extracorporeal anastomosis in both arms. RESULTS: After screening 355 articles, 11 articles with a total of 8257 patients were eligible for inclusion. Operative time was found to be significantly shorter for the laparoscopic procedures in the pooled analysis (SMD - 0.99 95% CI - 1.4 to - 0.6, p < 0.001). Conversion to open surgery was more common during laparoscopic procedures than during the robotic ones (RR 1.7; 95% CI 1.1-2.6, p = 0.02). No significant differences in mortality (RR 0.47; 95% CI 0.18-1.23, p = 0.124) and postoperative complications (RR 1.05; 95% CI 0.9-1.2, p = 0.5) were found between LRC versus RRC. The pooled mean time to first flatus was higher in the laparoscopic group (SMD 0.85 days; 95% CI 0.16 1.54, p = 0.016). Hospital costs were significantly higher in RRCs (SMD - 0.52; 95% CI - 0.52 to - 0.04, p = 0.035). CONCLUSIONS: RRC can be regarded as a feasible and safe technique. Its superiority in terms of postoperative recovery must be confirmed by further large prospective series comparing RRC and LRC performed with the same anastomotic technique. RRC seemed to be associated with higher costs than LRC. PMID- 29218672 TI - Effect of academic status on outcomes of surgery for rectal cancer. AB - BACKGROUND: The purpose of our study was to investigate surgical outcomes following advanced colorectal procedures at academic versus community institutions. METHODS: The SPARCS database was used to identify patients undergoing Abdominoperineal resection (APR) and Low Anterior Resection between 2009 and 2014. Linear mixed models and generalized linear mixed models were used to compare outcomes. Laparoscopic versus open procedures, surgery type, volume status, and stoma formation between academic and community facilities were compared. RESULTS: Higher percentages of laparoscopic surgeries (58.68 vs. 41.32%, p value < 0.0001), more APR surgeries (64.60 vs. 35.40%, p value < 0.0001), more high volume hospitals (69.46 vs. 30.54%, p value < 0.0001), and less stoma formation (48.00 vs. 52.00%, p value < 0.0001) were associated with academic centers. After adjusting for confounding factors, academic facilities were more likely to perform APR surgeries (OR 1.35, 95% CI 1.04-1.74, p value = 0.0235). Minorities and Medicaid patients were more likely to receive care at an academic facility. Stoma formation, open surgery, and APR were associated with longer LOS and higher rate of ED visit and 30-day readmission. CONCLUSION: Laparoscopy and APR are more commonly performed at academic than community facilities. Age, sex, race, and socioeconomic status affect the facility at which and the type of surgery patients receive, thereby influencing surgical outcomes. PMID- 29218673 TI - Results of endoscopic vacuum-assisted closure device for treatment of upper GI leaks. AB - BACKGROUND: Esophageal perforations and postoperative leakage of esophagogastrostomies are considered to be life-threatening conditions due to the potential development of mediastinitis and consecutive sepsis. Vacuum-assisted closure (VAC) techniques, a well-established treatment method for superficial infected wounds, are based on a negative pressure applied to the wound via a vacuum-sealed sponge. Endoluminal VAC (E-VAC) therapy as a treatment for GI leakages in the rectum was introduced in 2008. E-VAC therapy is a novel method, and experience regarding esophageal applications is limited. In this retrospective study, the experience of a high-volume center for upper GI surgery with E-VAC therapy in patients with leaks of the upper GI tract is summarized. To our knowledge, this series presents the largest patient cohort worldwide in a single-center study. METHODS: Between October 2010 and January 2017, 77 patients with defects in the upper gastrointestinal tract were treated using the E-VAC application. Six patients had a spontaneous perforation, 12 patients an iatrogenic injury, and 59 patients a postoperative leakage in the upper gastrointestinal tract. RESULTS: Complete restoration of the esophageal defect was achieved in 60 of 77 patients. The average duration of application was 11.0 days, and a median of 2.75 E-VAC systems were used. For 21 of the 77 patients, E VAC therapy was combined with the placement of self-expanding metal stents. CONCLUSION: This study demonstrates that E-VAC therapy provides an additional treatment option for esophageal wall defects. Esophageal defects and mediastinal abscesses can be treated with E-VAC therapy where endoscopic stenting may not be possible. A prospective multi-center study has to be directed to bring evidence to the superiority of E-VAC therapy for patients suffering from upper GI defects. PMID- 29218674 TI - Correction to: Long-term outcomes of patients with early gastric cancer found to have lesions for which endoscopic treatment is not indicated on histopathological evaluation after endoscopic submucosal dissection. AB - In Table 1, the second item in the right-hand column "Extra-indication" should be changed to "Out of indication". The correct version of Table 1 is displayed. PMID- 29218675 TI - Thoracotomy versus video-assisted thoracoscopic surgery (VATS) in stage III empyema-an analysis of 217 consecutive patients. AB - BACKGROUND: Pleural empyema is an infectious disease of the chest cavity, with a high morbidity and mortality. According to the American Thoracic Society, pleural empyema gets graduated into three stages, with surgery being indicated in intermediate stage II and chronic stage III. Evidence for the feasibility of a minimally-invasive video-assisted thoracoscopic approach in stage III empyema for pulmonary decortication is still little. METHODS: Retrospective single-center analysis of patients conducted to surgery for chronic stage III pleural empyema from 05/2002 to 04/2014 either by video-assisted thoracoscopic surgery (VATS, n = 110) or conventional open surgery by thoracotomy (n = 107). Multiple regression analysis and propensity score matching was used to evaluate the influence of operation technique (thoracotomy versus VATS) on the length of post-operative hospitalization. RESULTS: Operation time was longer in the thoracotomy-group (p = 0.0207). Conversion rate from VATS to open surgery by thoracotomy was 4.5%. Post operative complication- (61 patients in thoracotomy- and 55 patients in VATS group), recurrence- (3 patients in thoracotomy- and 5 in VATS-group) and mortality-rates (6.5% in thoracotomy- and 9.5% in VATS-group) did not differ between both groups; the length of (post-operative) stay at intensive care unit was longer in the VATS-group (p = 0.0023). Duration of chest tube drainage and prolonged air leak rate were similar among both groups, leading to a similar overall and post-operative length of hospital stay in both groups. Adjusted to clinically and statistically relevant confounders, multiple regression analysis showed an influence of the surgical technique on length of post-operative stay after pair matching of the patients (n = 84 in each group) by propensity score (B = - 0.179 for thoracotomy = 0 and VATS = 1, p = 0.032) leading to a reduction of 0.836 days after a VATS-approach compared to thoracotomy. CONCLUSIONS: VATS in late stage (III) pleural empyema is feasible and safe. The decrease in post operative hospitalization demonstrated by adjusted multiple regression analysis may indicate the minimally-invasive approach being safe, more tolerable for patients, and more effective. PMID- 29218676 TI - Morbidity and mortality from a propensity score-matched, prospective cohort study of laparoscopic versus open total gastrectomy for gastric cancer: data from a nationwide web-based database. AB - BACKGROUND: Controversy persists regarding the technical feasibility of laparoscopic total gastrectomy (LTG), and to our knowledge, no prospective study with a sample size sufficient to investigate its safety has been reported. We aimed to compare the postoperative morbidity and mortality rates in patients undergoing LTG and open total gastrectomy (OTG) for gastric cancer in prospectively enrolled cohort using nationwide web-based registry. METHODS: From August 2014 to July 2015, consecutive patients undergoing LTG or OTG (925 and 1569 patients, respectively) at the participating institutions were enrolled prospectively into the National Clinical Database registration system. We constructed propensity score (PS) models separately in four facility yearly case volume groups, and evaluated the postoperative morbidity and mortality in PS matched 1024 patients undergoing LTG or OTG. RESULTS: The incidence of overall morbidity were 84 (16.4%) in the OTG and 54 (10.3%) in the LTG groups (p = 0.01).The incidence of anastomotic leakage and pancreatic fistula grade B or above were not significantly different between the two groups (LTG 5.3% vs. OTG 6.1%, p = 0.59, LTG 2.7% vs. OTG 3.7%, p = 0.38, respectively). There were also no significant differences in the 30-day and in-hospital mortality rates between the two groups (LTG 0.2% vs. OTG 0.4%, p = 0.56; LTG 0.4% vs. OTG 0.4%, p = 1.00, respectively). CONCLUSION: The results from our nationally representative data analysis showed that LTG could be a safe procedure to treat gastric cancer compared to OTG. The indication for LTG should be considered carefully in a clinical setting. PMID- 29218677 TI - 40 Hz Auditory Steady-State Response: The Impact of Handedness and Gender. AB - The 40 Hz auditory steady-state response (ASSR) is a periodic response to a periodic stimulation. Its sources are located in the primary auditory cortex and the asymmetry of the planum temporale has previously been associated with hand preference and gender-related differences; thus subject's handedness and gender could potentially influence ASSRs. Nevertheless, electrophysiological studies of ASSRs are mainly dominated by right-handed participants and the observed findings can only be generalized to the right-handed populations. However, for a potential use of 40 Hz ASSR as a translational biomarker of neuropsychiatric disorders, it is important to investigate the response in association to handedness and gender. We included an equal number of left-handed and right-handed males and females and recorded EEG responses during left-ear, right-ear and both ears stimulation. The results of the study suggest that the processing of 40 Hz auditory stimulation depends on the subjects' gender and handedness: significantly lower phase-locking and strength of 40 Hz ASSRs were observed in left-handed females as compared to left-handed males, but right-handers did not differ in 40 Hz ASSRs. Our observation of the opposite impact of gender in the examined handedness groups stresses the importance of careful consideration of handedness and gender factors when evaluating the determinants of inter individual variability of 40 Hz ASSRs. This finding is of particular importance for clinical studies in psychiatry and neurology. PMID- 29218678 TI - Low-dose CT for lung cancer screening: opportunities and challenges. AB - Lung cancer is among the most frequently diagnosed cancers worldwide and the leading cause of cancer death in both males and females. Screening for lung cancer coupled with earlier intervention has long been studied as an approach to mortality reduction. However, minimal progress was achieved until recently, when lowdose spiral computed tomography (LDCT) screening demonstrated a 20% reduction in mortality from lung cancer in a randomized controlled trial (RCT), the National Lung Screening Trial, from the United States. On the basis of this finding, LDCT has been recommended for lung cancer screening in high-risk populations by several clinical guidelines. However, results from the following independent RCTs in Europe failed to show consistent conclusions. In addition, intractable problems gradually emerged with the progress of LDCTscreening. This paper summarizes and discusses the main observations and challenges of LDCT screening for lung cancer. Before spreading implementation of LDCTscreening, challenges, including high false-positive rates, overdiagnosis, enormous costs, and radiation risk, must be addressed. Complementary biomarkers and technical improvement are expected in the field of lung cancer screening in the near future. PMID- 29218679 TI - Possibility of women treated with fertility-sparing surgery for non-epithelial ovarian tumors to safely and successfully become pregnant-a Chinese retrospective cohort study among 148 cases. AB - This study was performed to evaluate the oncological and reproductive outcomes of childbearing-age women treated with fertility-sparing surgery (FSS) for non epithelial ovarian tumors in China. One hundred and forty eight non-epithelial ovarian tumor women treated with FSS between January 1, 2000 and August 31, 2015 from two medical centers in China were identified. Progression-free survival (PFS) was 88.5%, whereas overall survival (OS) was 93.9%. Univariate analysis suggested that delivery after treatment is related to PFS (P = 0.023), whereas histology significantly influenced OS. Cox regression analysis suggested that only histology was associated with PFS and OS (P < 0.05). Among the 129 women who completed adjuvant chemotherapy (ACT), none developed amenorrhea. Among the 44 women who desired pregnancy, 35 (79.5%) successfully had 51 gestations including 35 live births without birth defects. Non-epithelial ovarian tumors can achieve fulfilling prognosis after FSS and chemotherapy. Histology might be the only independent prognostic factor for PFS and OS. FSS followed by ACT appeared to have little or no effect on fertility. Meanwhile, postoperative pregnancy did not increase the PFS or OS. Use of gonadotropin-releasing hormone agonist was not beneficial for fertility. PMID- 29218681 TI - Management Strategies to Facilitate Optimal Outcomes for Patients Treated with Delayed-release Dimethyl Fumarate. AB - Delayed-release dimethyl fumarate is an oral disease-modifying therapy that has demonstrated significant efficacy in adults with relapsing-remitting multiple sclerosis. Incidences of flushing and gastrointestinal adverse events are common in the first month after delayed-release dimethyl fumarate initiation. Our objective was to propose mitigation strategies for adverse events related to initiation of delayed-release dimethyl fumarate in the treatment of patients with multiple sclerosis. Studies of individually developed mitigation strategies and chart reviews were evaluated. Those results, as well as mitigation protocols developed at multiple sclerosis care centers, are summarized. Key steps to optimize the effectiveness of delayed-release dimethyl fumarate treatment include education prior to and at the time of delayed-release dimethyl fumarate initiation, initiation dose protocol gradually increasing to maintenance dose, dietary suggestions for co-administration with food, gastrointestinal symptom management with over-the-counter medications, flushing symptom management with aspirin, and temporary dose reduction. Using the available evidence from clinical trials and evaluations of post-marketing studies, these strategies to manage gastrointestinal and flushing symptoms can be effective and helpful to the patient when initiating delayed-release dimethyl fumarate. PMID- 29218680 TI - Cardiovascular Profile of Valbenazine: Analysis of Pooled Data from Three Randomized, Double-Blind, Placebo-Controlled Trials. AB - INTRODUCTION: Valbenazine is a novel vesicular monoamine transporter 2 inhibitor approved for the treatment of tardive dyskinesia in adults. OBJECTIVE: Using data from double-blind, placebo-controlled trials, analyses were conducted to evaluate the cardiovascular effects of once-daily valbenazine in patients with a psychiatric disorder who developed tardive dyskinesia after exposure to a dopamine-blocking medication. METHODS: Data were pooled from three 6-week, double blind, placebo-controlled trials: KINECT (NCT01688037), KINECT 2 (NCT01733121), and KINECT 3 (NCT02274558). Data from the 42-week valbenazine extension period of KINECT 3 were also analyzed. Outcomes of interest included cardiovascular-related treatment-emergent adverse events, vital sign measurements, and electrocardiogram parameters. RESULTS: The pooled safety population included 400 participants (placebo, n = 178; valbenazine 40 mg/day, n = 110; valbenazine 80 mg/day, n = 112). A history of cardiac disorders was present in 11.8% of participants, and 74.3% were taking a concomitant medication with known potential for QT prolongation. Mean changes from baseline to week 6 in supine vital signs and QTcF (Fridericia correction) were as follows for placebo, valbenazine 40 mg/day, and valbenazine 80 mg/day, respectively: systolic blood pressure (0.2, - 2.1, - 1.8 mmHg), diastolic blood pressure (- 0.1, - 1.6, - 1.2 mmHg), heart rate (- 1.7, - 2.2, - 1.7 bpm), QTcF interval (1.2, 1.1, 2.1 ms); all p > 0.05 for valbenazine vs. placebo. No statistically significant differences were observed between placebo and valbenazine in cardiovascular-related, treatment-emergent adverse events. No notable additional effects on cardiovascular outcomes were found with up to 48 weeks of valbenazine treatment. CONCLUSIONS: Results from double-blind, placebo-controlled trials showed no apparent difference between valbenazine and placebo on cardiovascular outcomes. No additional cardiovascular risk was detected during a longer extension study with valbenazine. PMID- 29218683 TI - Comparison of MRI, CT, Dunn 45 degrees and Dunn 90 degrees alpha angle measurements in femoroacetabular impingement. AB - PURPOSE: To determine if a significant difference existed among alpha angle measurements between 4 imaging techniques, axial oblique CT and MRI, Dunn 45 degrees and Dunn 90 degrees plain radiographs, in patients with symptomatic cam femoroacetabular impingement (FAI) and labral tear. METHODS: A single-surgeon prospective radiographic analysis of consecutive non-arthritic and non-dysplastic -patients with symptomatic FAI and labral tears who underwent surgery was performed. Alpha angle was measured using standard techniques as described by Notzli. Cam morphology was defined via alpha angle measurement of >50.5 degrees. Group comparisons were made using ANOVA and chi-squared test. Sample size calculation was performed prior to study enrollment. RESULTS: 31 subjects (16 female; 33.5 +/- 10.5 years mean age) were included. There was a significant difference in alpha angle measurements between all 4 imaging techniques (F [3,120] = 8.144; p<0.001), with the Dunn 45 degrees view (66.3 +/- 11.4 degrees ) significantly greater than all 3 other techniques (Dunn 90 degrees [57.5 +/- 10.7 degrees ; p = 0.015], MRI [53.3 +/- 11.5 degrees ; p<0.001], and CT (54.9 +/ 11.6 degrees ; p = 0.001). There was no significant difference in alpha angle between Dunn 90 degrees , MRI, and CT. There was a significant difference in the observed number of hips with cam morphology between imaging techniques (chi2 9.4; p = 0.025). CONCLUSIONS: The Dunn 45 degrees radiograph yielded a significantly higher alpha angle than Dunn 90 degrees , axial oblique MRI, and CT imaging modalities. Use of the Dunn 90 degrees or axial oblique MRI or CT as the threshold for cam osteoplasty may result in untreated symptomatic cam FAI. The authors recommend the Dunn 45 degrees radiograph as the most sensitive evaluation of cam morphology. PMID- 29218682 TI - The RIMES Statement: A Checklist to Assess the Quality of Studies Evaluating Risk Minimization Programs for Medicinal Products. AB - INTRODUCTION: Pharmaceutical risk minimization programs involve interventions designed to support safe and appropriate use of medicines. Currently, information regarding the evaluation of these programs is not publicly reported in a standardized and transparent manner. To address this gap, we developed and piloted a quality reporting checklist entitled the Reporting recommendations Intended for pharmaceutical risk Minimization Evaluation Studies (RIMES). METHODS: Checklist development was guided by three sources: (1) a theoretical framework derived from program theory and process evaluation; (2) public health intervention design and evaluation principles; and (3) a review of existing quality reporting checklists. Two raters independently reviewed 10 recently published (2012-2016) risk minimization program evaluation studies using the proposed checklist. Inter-rater reliability of the checklist was assessed using Cohen's Kappa and Gwet's AC1. RESULTS: A 43-item checklist was generated. Results indicated substantial inter-rater reliability overall (kappa = 0.65, AC1 = 0.65) and for three (key information, design and evaluation) of the four subscales (kappa >= 0.64, AC1 >= 0.64). The fourth subscale (implementation) showed low reliability based on Cohen's Kappa, but substantial reliability based on the AC1 (kappa = 0.17, AC1 = 0.61). CONCLUSIONS: The RIMES statement augments relevant elements from existing quality reporting guidelines with items that address aspects of intervention design, implementation and evaluation specific to pharmaceutical risk minimization programs. Our results show that the RIMES statement reliably measures key dimensions of reporting quality. This tailored checklist is an important first step in improving the reporting quality of risk minimization evaluation studies and may ultimately help to improve the quality of these interventions themselves. PMID- 29218684 TI - Feasibility of arthroscopic autologous chondrocyte implantation in the hip using an injectable hydrogel. AB - INTRODUCTION: In the long term the treatment of articular cartilage defects of the hip has the most direct impact on the postoperative outcome and should diminish degenerative changes caused by different pathologies. The purpose of this prospective feasibility study is to describe technical aspects of arthroscopic, injectable autologous chondrocyte implantation in the hip and to report the short-term outcome. METHODS: Full-thickness cartilage defects of 13 patients were treated arthroscopically with an injectable autologous chondrocyte transplantation product (Novocart Inject, Tetec) in a 2-step surgical procedure. Patient-related outcome was assessed with iHOT 33, EQ-5D and Non Arthritic Hip Score at baseline (day before transplantation), after 6 weeks and 3, 6 and 12 months. RESULTS: 13 out of 13 patients (all men) with a mean age of 32.7 +/- 6.9 years and an average defect size of 1.9 +/- 1.0 cm2 were available for follow-up after a mean of 12 months (range 6-24 months). All defects were located on the acetabulum and 11 were associated with a labral lesion of 2.9 hours size. Femoroacetabular impingement (10 cam, 2 combined, 1 pincer) was the cause of all defects. An overall statistically significant improvement was observed for all assessment scores. CONCLUSIONS: In this study we present the feasibility and short-term data of an arthroscopic injectable autologous chondrocyte transplant as a treatment option for full-thickness cartilage defects of the hip. All patient-administered assessment scores demonstrated an increase in activity level, improvement in quality of life and reduction of pain after a 12-month follow-up. Further randomised controlled trails with long-term follow-up and additional morphological assessment are needed. PMID- 29218685 TI - Patient-reported quality of life and hip function after 2-stage revision of chronic periprosthetic hip joint infection: a cross-sectional study. AB - INTRODUCTION: Very limited information is available regarding patient-reported health-related quality of life (HRQoL) and hip function following treatment for chronic periprosthetic hip joint infection (PJI). Patient-reported outcome measures provide essential information to clinicians of the impact a treatment have on patient's lives. The purpose of this study was to examine patient reported HRQoL and hip function after a completed re-implantation in a 2-stage revision. METHOD: 82 patients were identified retrospectively in the National Patient Register. 57 patients were alive and asked to complete the questionnaires EuroQol-5D (EQ-5D) and Oxford Hip Score (OHS) in November 2014. Results were compared to normative population data for EQ-5Dindex. Patients re-infected after a completed 2-stage revision were compared with not re-infected. RESULTS: 45 patients completed the questionnaires. Mean time since re-implantation was 8.2 years (95% CI [confidence interval], 7.7-0.87). The EQ-5D index mean for the 2 stage group was 0.71 (0.64; 0.77) whereas the general population mean is 0.85 (0.84-0.85), p = 0.0004. The 2-stage revision patients scored significantly lower on every EQ-5D dimension. The re-infected group mean EQ-5D index score was significantly lower compared to the not re-infected group, p = 0.003. The EQ-VAS mean score was 58.2 (57.3-68.3) and the mean OHS for the group was 29.2 (25.4 33.0). CONCLUSIONS: Patients who undergo 2-stage revision after a PJI have lower scores on HRQoL than the general population. Patients who are re-infected following revision have a lower HRQoL score than patients not re-infected. Future research should focus on optimising patient-reported outcomes after treatment for PJI. PMID- 29218686 TI - Early death following revision total hip arthroplasty. AB - INTRODUCTION: The frequency of primary total hip arthroplasty procedures is increasing, with a subsequent rise in revision procedures. This study aims to describe timing and surgical mortality associated with revision total hip arthroplasty (THA) compared to those on the waiting list. METHODS: All patients from a single institution who underwent revision total hip arthroplasty or were added to the waiting list for the same procedure between 2003 and 2013 were recorded. Mortality rates were calculated at 30 and 90 days following surgery or addition to the waiting list. RESULTS: 561 patients were available for the survivorship analysis in the surgical group. Following exclusion, 901 and 484 patients were available for the 30 and the 90-day analysis in the revision THA waiting list group. 30- and 90-day mortality rates were significantly greater for the revision THA group compared to the waiting list group (excess surgical mortality at 30 days = 0.357%, p = 0.037; odds ratio of 5.22, excess surgical mortality at 90 days = 0.863%, p = 0.045). CONCLUSIONS: Revision total hip arthroplasty is associated with a significant excess surgical mortality rate until 90 days post-operation when compared to the waiting list population. We would encourage other authors with access to larger samples to use our method to quantify excess mortality after both primary and revision arthroplasty procedures. PMID- 29218687 TI - Decline in allogeneic blood transfusion usage in total hip arthroplasty patients: National Inpatient Sample 2009 to 2013. AB - INTRODUCTION: Although total hip arthroplasty (THA) is an effective treatment for end-stage arthritis, it is also associated with substantial blood loss that may require allogeneic blood transfusion. However, these transfusions may increase the risk of certain complications. The purpose of our study is to evaluate: (i) the incidence/trends of allogeneic blood transfusion; (ii) the associated risk factors and adverse events; and (iii) the discharge disposition, length of stay (LOS), and costs for these patients between 2009 and 2013. METHODS: The National Inpatient Sample database was used to identify 1,542,366 primary THAs performed between 2009 and 2013. Patients were stratified based on demographics, economic data, hospital characteristics, comorbidities, and whether or not allogeneic transfusion was received. Logistic regression was performed to evaluate the risk factors for transfusion and postoperative complications. RESULTS: From 2009 to 2013, allogeneic transfusions were used in 16.9% of primary THAs, with a declining annual incidence. Except for obesity, all comorbidities were associated with increased likelihood of receiving a transfusion. Allogeneic transfusion patients were more likely to experience surgical site infections or pulmonary complications (p<0.001 for all). These patients were more likely to be discharged to a short-term care facility (p<0.001). Additionally, they had a greater mean LOS (p<0.001) and higher median hospital costs and charges when compared to their non-transfused counterparts. CONCLUSIONS: While the observed decline in allogeneic transfusion usage is encouraging, further efforts should focus on preoperative patient optimisation. Given the projected increase in demand for primary THAs, orthopaedic surgeons must be familiar with safe and effective blood conservation protocols. PMID- 29218688 TI - Is dual mobility associated with an increased risk of revision for infection? Matched cohort of 231 cases of dual-mobility cups and 231 fixed cups. AB - INTRODUCTION: We used a matched cohort of 231 cases of revision of primary dual mobility cups (DMC) total hip arthroplasty (THA) and 231 cases of fixed cups (FC) THA, to determine whether (i) revision for infection was more frequent when using DMC-THA than FC-THA; (ii) Causes for revision were significantly different. METHODS: The French Society of Orthopaedics and Traumatology carried out a prospective multicentre study from 2010 to 2011. The inclusion criterion was an exhaustive collection of 1st revision THA (at least 1 component revised, re revision excluded). 2,044 1st revision cases were prospectively collected; 251 (13.5%) were revision of DMC-THA and 1,793 were revision of FC-THA (87.7%). We defined a matching process (1:1) between the 2 cohorts. 231 DMC-THAs were eligible for comparison with 231 FC-THAs. RESULTS: 47 (20.3%) FC-THAs were revised for infection and 54 (23.3%) DMC-THAs. There was no statistical difference (p = 0.43). 41 (17.7%) FC-THAs were revised for dislocation, compared to 11 (4.7%) DMC-THAs (p<0.001). DISCUSSION: The main finding of our study was that DMC was not associated with an increased risk of revision for infection compared to standard THA. THA revision for infection was not correlated to the type of cup used. It is mandatory to report on comparable types of patients when comparing outcomes. For similar patient profiles (i) DMC-THAs were not revised more often for infection than FC-THA (ii) FC-THAs were revised 4 times more for dislocation than DMC-THA. PMID- 29218689 TI - Preliminary results of a 3D-printed acetabular component in the management of extensive defects. AB - INTRODUCTION: The treatment of extensive bone loss and massive acetabular defects can be compounded by several challenges and pitfalls. The survivorship following acetabular revision with extensive bone loss is still unsatisfactory. The goal of the present study was to analyse the outcomes of 3D-printed patient-specific acetabular components in the management of extensive acetabular defects and combined pelvic discontinuity (PD). METHODS: 9 patients underwent revision THA using 3D-printed custom acetabular components to reconstruct extensive acetabular defects. The Paprosky classifications were determined in all patients. The primary outcome measure was the implant-associated failure rate. RESULTS: 1 out of 9 patients suffered an implant-associated complication (11%). The overall implant-associated survival rate was 89%. The overall complication rate was 56%. CONCLUSIONS: The patient-specific acetabular component technique shows promise for the treatment of patients with severe acetabular defects in revision THA. Further research aimed at reducing costs and improving the complication rate are warranted. PMID- 29218690 TI - Neoadjuvant volumetric modulated arc therapy in rectal cancer and the correlation of pathological response with diffusion-weighted MRI and apoptotic markers. AB - PURPOSE: In this prospective observational study, we aimed to report the applicability and tolerability of neoadjuvant volumetric modulated arc therapy with simultaneous integrated boost (SIB-VMAT) and concurrent chemotherapy in patients with locally advanced rectal cancer (LARC), and to evaluate the correlation of pathological response with apparent diffusion coefficient (ADC) measurements on diffusion-weighted magnetic resonance imaging (DW-MRI) and apoptotic markers. METHODS: The study enrolled 30 patients with T3 to T4 and/or N+ rectal cancer who preoperatively received SIB-VMAT and concurrent chemotherapy. Before and after the neoadjuvant treatment, apoptotic markers including the nucleosomes and cell-free DNA fragments in the serum samples were examined; DNA integrity was assessed by amplifying the ACTB gene; and the ADC measurements on the DW-MRI were analyzed. RESULTS: No patients had acute or chronic grade III-IV toxicity. Pathologic complete response (pCR) was achieved in 8 patients (27%), while in 10 patients (33%) near-complete pathological response was obtained. Posttreatment ADC was significantly higher in patients with pCR compared with the others (1.28 vs. 1.10, p = 0.017). ROC curve analysis showed that posttreatment ADC values had a sensitivity of 75% and a specificity of 77.3% for distinguishing the patients with pCR from other responders. On the other hand, posttreatment DNA integrity values were revealed lower than the pretreatment values (p = 0.36). Also, the results revealed an insignificant increase in the posttreatment serum level of nucleosomes (p = 0.72). CONCLUSIONS: Neoadjuvant SIB-VMAT with concurrent chemotherapy was proved to be a feasible treatment regimen in LARC with tolerable side effects, and improved local control rate and pCR rate. PMID- 29218691 TI - Reliability and validity assessment of administrative databases in measuring the quality of rectal cancer management. AB - PURPOSE: Measurement and monitoring of the quality of care using a core set of quality measures are increasing in health service research. Although administrative databases include limited clinical data, they offer an attractive source for quality measurement. The purpose of this study, therefore, was to evaluate the completeness of different administrative data sources compared to a clinical survey in evaluating rectal cancer cases. METHODS: Between May 2012 and November 2014, a clinical survey was done on 498 Lombardy patients who had rectal cancer and underwent surgical resection. These collected data were compared with the information extracted from administrative sources including Hospital Discharge Dataset, drug database, daycare activity data, fee-exemption database, and regional screening program database. The agreement evaluation was performed using a set of 12 quality indicators. RESULTS: Patient complexity was a difficult indicator to measure for lack of clinical data. Preoperative staging was another suboptimal indicator due to the frequent missing administrative registration of tests performed. The agreement between the 2 data sources regarding chemoradiotherapy treatments was high. Screening detection, minimally invasive techniques, length of stay, and unpreventable readmissions were detected as reliable quality indicators. Postoperative morbidity could be a useful indicator but its agreement was lower, as expected. CONCLUSIONS: Healthcare administrative databases are large and real-time collected repositories of data useful in measuring quality in a healthcare system. Our investigation reveals that the reliability of indicators varies between them. Ideally, a combination of data from both sources could be used in order to improve usefulness of less reliable indicators. PMID- 29218694 TI - Training vascular access surgeons: technicians or specialists? AB - Internationally, vascular access (VA) surgery is delivered in a varied and diverse fashion and subsequently, training in vascular access is poorly defined. Experience of VA during surgical training has implications on future practice. The scope of VA procedures is increasing, yet the focus in vascular training remains largely in the technical aspects of surgery rather than the more comprehensive aspects of surgery applied to dialysis and renal care. To achieve special skills in vascular access surgery may require a change to traditional training with an additional focus on developing an extended portfolio of knowledge and skills. A small number of specialized courses and training facilities are developing to address these issues. PMID- 29218693 TI - Non-catalytic region of tyrosine kinase adaptor protein 2 (NCK2) pathways as factor promoting aggressiveness in ovarian cancer. AB - BACKGROUND: In this study we investigated the function of the non-catalytic region of tyrosine kinase adaptor protein 2 (NCK2) and its correlation with ITGB1 and ITGB4 integrins in driving ovarian cancer (OvCa) aggressiveness. We also evaluated whether NCK2 may influence prognosis in OvCa patients. METHODS: Nanofluidic technology was used to analyze expression of NCK2 in 332 OvCa patients. To evaluate mRNA expression of NCK2, integrins and VEGFA in OvCa cell lines, qRT-PCR was performed. Stable NCK2 overexpression was obtained in OVCAR3. qRT-PCR and Western blot were performed to evaluate expression changes of VEGFA, vimentin, ITGB1, ITGB4, MMP2 and MMP9 under normoxia and hypoxia conditions. Coimmunoprecipitation (Co-IP) was performed in the A2780 cell line to study the interaction between NCK2 and proteins of interest. To investigate whether NCK2 can influence anchorage-independent growth, a soft agar assay was completed. Transwell invasion assay was performed on stable-transfected OVCAR-3 cell lines. RESULTS: Nanofluidic data showed NCK2 can play an important role as a factor promoting tumor aggressiveness and survival in OvCa. This role was also linked to the behaviors of ITGB1 and ITGB4. Moreover, in cells overexpressing NCK2, the expression of vimentin, MMP2, MMP9, VEGFA and ITGB1, but not of ITGB4 was induced by hypoxia. Co-IP showed that NCK2 can directly bind ITGB1, but not VEGFA. NCK2 may be involved in mediating cell-extracellular matrix interactions in OvCa cells by influencing tumor aggressiveness. CONCLUSIONS: This study provides evidence of a possible role of NCK2 as biomarker of OvCa progression. PMID- 29218692 TI - EURO-B.O.S.S.: A European study on chemotherapy in bone-sarcoma patients aged over 40: Outcome in primary high-grade osteosarcoma. AB - INTRODUCTION: The EUROpean Bone Over 40 Sarcoma Study (EURO-B.O.S.S.) was the first prospective international study for patients 41-65 years old with high grade bone sarcoma treated with an intensive chemotherapy regimen derived from protocols for younger patients with high-grade skeletal osteosarcoma. METHODS: Chemotherapy based on doxorubicin, cisplatin, ifosfamide, and methotrexate was suggested, but patients treated with other regimens at the investigators' choice were also eligible for the study. RESULTS: The present report focuses on the subgroup of 218 patients with primary high-grade osteosarcoma. With a median follow-up of 47 months, the 5-year probability of overall survival (OS) was 66% in patients with localized disease and 22% in case of synchronous metastases. The 5-year OS in patients with localized disease was 29% in pelvic tumors, and 70% and 73% for extremity or craniofacial locations, respectively. In primary chemotherapy, tumor necrosis >=90% was reported in 21% of the patients. There were no toxic deaths; however, hematological toxicity was considerable with 32% of patients experiencing 1 or more episodes of neutropenic fever. The incidence of nephrotoxicity and neurotoxicity (mainly peripheral) was 28% and 24%, respectively. After methotrexate, 23% of patients experienced delayed excretion, in 4 cases with nephrotoxicity. CONCLUSIONS: In patients over 40 years of age with primary high-grade osteosarcoma, an aggressive approach with chemotherapy and surgery can offer the probability of survival similar to that achieved in younger patients. Chemotherapy-related toxicity is significant and generally higher than that reported in younger cohorts of osteosarcoma patients treated with more intensive regimens. PMID- 29218695 TI - Author's reply to: Comments on a stripping method to remove stuck catheter and a plea to adopt a large size hemodialysis catheters. PMID- 29218696 TI - A modular vascular access training program for higher surgical trainees. AB - INTRODUCTION: Access surgery is delivered by vascular/transplant surgeons with a division that is defined by historic practice. This has resulted in an inconsistent training pattern. We aimed to design a focused, modular training program (The Brighton Vascular Access Fellowship) providing trainees with a reproducible level of exposure and competence. METHODS: The programme was 16 days over 8 weeks on a one-to-one basis with candidates expected to be performing procedures as first surgeon with ongoing, formative assessment. The outpatient setting took the format of a one-stop clinic to involve planning and the follow up. Assessment was through caseload exposure and conventional statistical analyses to obtain median values (as proxy measures of training exposure consistency). Assessment of confidence and capability was through an electronically distributed qualitative survey tool. RESULTS: A total of 14 candidates completed the programme by June 2017. Operative exposure was obtained for 11 (79%) with a total of 471 cases of which 286 were conducted as first surgeon. There was a median of 32 cases by each candidate with 25 of the cases performed as first surgeon. Qualitative assessment revealed that 13 of 14 (93%) were either practicing independently or no longer required the trainer to scrub in for the operation. A total of 13 of 14 (93%) strongly agreed that they felt comfortable with offering a basic access service. CONCLUSIONS: Focused modular training might be one of the answers to the current era of restricted and sometimes inconsistent training in some aspects of surgery. This model is reproducible and may be applicable in other aspects of training. PMID- 29218697 TI - Quantitative assessment of reflux in commercially available needle-free IV connectors. AB - INTRODUCTION: Blood reflux is caused by changes in pressure within intravascular catheters upon connection or disconnection of a syringe or intravenous tubing from a needle-free connector (NFC). Changes in pressure, differing with each brand of NFC, may result in fluid movement and blood reflux that can contribute to intraluminal catheter occlusions and increase the potential for central-line associated bloodstream infections (CLABSI). METHODS: In this study, 14 NFC brands representing each of the four market-categories of NFCs were selected for evaluation of fluid movement occurring during connection and disconnection of a syringe. Study objectives were to 1) theoretically estimate amount of blood reflux volume in microliters (MUL) permitted by each NFC based on exact component measurements, and 2) experimentally measure NFC volume of fluid movement for disconnection reflux of negative, neutral and anti-reflux NFC and fluid movement for connection reflux of positive displacement NFC. RESULTS: The results demonstrated fluid movement/reflux volumes of 9.73 MUL to 50.34 MUL for negative displacement, 3.60 MUL to 10.80 MUL for neutral displacement, and 0.02 MUL to 1.73 MUL for pressure-activated anti-reflux NFC. Separate experiment was performed measuring connection reflux of 18.23 MUL to 38.83 MUL for positive displacement NFC connectors. CONCLUSIONS: This study revealed significant differences in reflux volumes for fluid displacement based on NFC design. While more research is needed on effects of blood reflux in catheters and NFCs, results highlight the need to consider NFCs based on performance of individual connector designs, rather than manufacturer designation of positive, negative and neutral marketing categories for NFCs without anti-reflux mechanisms. PMID- 29218698 TI - Risk factors of overactive bladder syndrome and its relation to sexual function in menopausal women. AB - BACKGROUND: Overactive bladder syndrome is a common and annoying complication worldwide that could negatively affect the quality of life of afflicted individuals. We aimed to determine the prevalence and risk factors of overactive bladder syndrome and its relation to sexual function in healthy menopausal women. METHODS: This cross-sectional study was done on 340 women aged 45-60 years in Tabriz, northwest Iran, during 2015-2016. Data were collected using a demographic data questionnaire, the Overactive Bladder Syndrome Score, and the McCoy Female Sexuality Questionnaire. RESULTS: Fifty-six (16.5%), 63 (18.5%), and 10 (2.9%) of the participating women had mild, moderate, and severe overactive bladder syndrome, respectively. Predictors of overactive bladder included: night sweats, central prolapse, episiotomy, varicose disease, illiteracy or education at the primary level, systolic blood pressure >140 mmHg and lack of physical activity. We found a significant difference between the women with and without overactive bladder with respect to the total score and sub-domain scores related to sex partner (p = 0.029) and sexual interest (p = 0.049). CONCLUSIONS: The prevalence of overactive bladder was quite high in this study. Since sexual dysfunction is not an easy topic to talk about and can affect women's quality of life, physicians should consider talking about these issues besides urinary issues to all middle-aged women. PMID- 29218699 TI - Clinical outcome of cardioembolic stroke treated by intravenous thrombolysis. AB - INTRODUCTION: Cardioembolic stroke (CS) in patients without thrombolytic treatment is associated with a worse clinical outcome and higher mortality compared to other types of stroke. The aim of this study was to determine the clinical outcome of CS in patients treated by intravenous thrombolysis (IVT). MATERIAL AND METHODOLOGY: Data of patients from the SITS-EAST register (Safe Implementation of Treatments in Stroke) were analyzed in patients who received IVT treatment from 2000 to April 2014. The effect of the stroke etiology according to ICD-10 classification on outcome was analyzed using a univariate and multivariate analysis. The outcomes were assessed as follows: excellent clinical outcome (modified Rankin scale (mRS) 0-1) at 3 months, the rate of symptomatic intracranial hemorrhage (sICH), mortality, and improvement at 24 hours after IVT. RESULTS: Data of 13 772 patients were analyzed. CS represented 30% of all strokes. The mean age of patients with CS, atherothrombotic stroke, lacunar stroke, and other stroke was 70.8, 66.7, 66.2, and 63.3 years, respectively (P < .001). Severity of stroke on admission by median NIHSS score was 13 points in patients with CS, 12 points - in atherothrombotic stroke, 7 points - in lacunar stroke, and 10 points-in other stroke types (P < .001). No difference in mortality was detected among atherothrombotic and CS; however, atherothrombotic strokes had higher odds of sICH [OR = 1.63 (95% CI: 1.07-2.47), P = .023], lower odds of early improvement [OR = 0.79 (95% CI: 0.72-0.86), P < .001], and excellent clinical outcome [OR = 0.77 (95% CI: 0.67-0.87), P < .001] compared with CS. CONCLUSIONS: Cardioembolic strokes are not associated with increased mortality. Patients with CS are less likely to have sICH and have better outcome after IVT. PMID- 29218700 TI - Non-persistence in ischaemic stroke: Risk of recurrent vascular events. AB - OBJECTIVES: Ischaemic stroke is one of the leading causes of death and disability worldwide. Although the secondary preventive medication should be continued for life, its use commonly declines in time. This may lead to recurrent vascular events. In this study, we investigated if during a long follow-up period discontinuation of medication (non-persistence) in real life ischaemic stroke patients increased the risk of recurrent vascular events. MATERIALS AND METHODS: This was a retrospective cohort study with the data retrieved from a database and the original patient records. The occurrence of new vascular events was determined from the electronic medical record. Medication use at time of follow up was ascertained using the pharmacy-link in the electronic medical file and through a telephone interview. Primary endpoint was recurrent vascular events. Patients with two or more vascular risk factors were considered as having a high risk profile. RESULTS: A total of 286 patients (persistent n = 182 and non persistent n = 104) were included. After median follow-up period of 51/2 years in the persistent group 14.8% had a recurrent vascular event, vs 23.1% in the non persistent group (P = .801). In the patients with a high-risk profile, the persistent group had significantly less recurrent vascular events than the non persistent group (23.5% against 46.4% P = .021). CONCLUSION: After a long follow up period, ischaemic stroke patients with a high vascular risk profile who stopped taking their secondary preventive medication had an increased risk of a recurrent vascular events. PMID- 29218701 TI - A longitudinal cohort study on the impact of the clobazam shortage on patients with epilepsy. AB - OBJECTIVE: Drug shortages are occurring at an increasing rate. From May to October 2016, there was a shortage of a level I critical antiepileptic drug, clobazam. We aimed to study the impact of this shortage on patients with epilepsy. METHODS: Adult patients from Calgary's Comprehensive Epilepsy Program who were taking clobazam were approached to participate in the study. Baseline data from the clinic prospective registry included clinical variables and presurvey patient-reported outcomes (PROs) such as the Global Assessment of Severity of Epilepsy, the Global Assessment of Disability Associated with Seizures, and the Quality of Life in Epilepsy questionnaire. We used a mixed methods cross-sectional questionnaire via telephone. We analyzed quantitative data using descriptive methods and qualitative data using a phenomenological approach. RESULTS: Of the 85 eligible patients, 84% (n = 71) agreed to participate. Participants ranged from 18 to 78 years old, and 59.2% of participants were female. Overall, 80% of participants experienced some form of medication change due to the shortage. No significant differences were found in the pre- and during-shortage PRO data. However, 6 important themes emerged regarding the impact of the antiepileptic drug shortage on patients: (1) communication and awareness, (2) burden on patients and caregivers, (3) physical impact, (4) psychological impact, (5) health care provider assistance in navigating the shortage, and (6) policy change. SIGNIFICANCE: We examined the impact of the clobazam shortage on patients with epilepsy from the patient's perspective and identified 6 important themes. As a result, we were able to gain insight into what patients need to cope with drug shortages and make recommendations that can help mitigate the impact of shortages on patients in the future. Further research is needed to better understand drug shortages from the patient's perspective in various settings and conditions. PMID- 29218702 TI - Deep brain stimulation for drug-resistant epilepsy. AB - OBJECTIVES: To review clinical evidence on the antiepileptic effects of deep brain stimulation (DBS) for drug-resistant epilepsy, its safety, and the factors influencing individual outcomes. METHODS: A comprehensive search of the medical literature (PubMed, Medline) was conducted to identify relevant articles investigating DBS therapy for drug-resistant epilepsy. Reference lists of these articles were used to source further articles. RESULTS: Stimulation of the anterior nucleus of the thalamus (ANT) and hippocampus (HC) has been shown to decrease the frequency of refractory seizures. Half of all patients from clinical studies experienced a 46%-90% seizure reduction with ANT-DBS, and a 48%-95% seizure reduction with HC-DBS. The efficacy of stimulating other targets remains inconclusive due to lack of evidence. Approximately three-fourths of patients receiving ANT, HC, or centromedian nucleus of the thalamus (CMT) stimulation are responders-experiencing a seizure reduction of at least 50%. The time course of clinical benefit varies dramatically, with both an initial lesional effect and ongoing stimulation effect at play. Improved quality of life and changes to cognition or mood may also occur. Side effects are similar in nature to those reported from DBS therapy for movement disorders. Several factors are potentially associated with stimulation efficacy, including an absence of structural abnormality on imaging for ANT and HC stimulation, and electrode position relative to the target. Certain seizure types or syndromes may respond more favorably to specific targets, including ANT stimulation for deep temporal or limbic seizures, and CMT stimulation for generalized seizures and Lennox-Gastaut syndrome. SIGNIFICANCE: We have identified several patient, disease, and stimulation factors that potentially predict seizure outcome following DBS. More large-scale clinical trials are needed to explore different stimulation parameters, reevaluate the indications for DBS, and identify robust predictors of patient response. PMID- 29218703 TI - Epidemic of large babies highlighted by use of INTERGROWTH21st international standard. AB - OBJECTIVE: To compare birth weights in central Sydney to the INTERGROWTH21st international standard to describe current trends in relation to optimal growth and to define areas that may benefit from improved obstetric surveillance and intervention. METHODS: Retrospective analysis of prospectively collected cohort. DESIGN: hospital-based cohort study. SETTING: Sydney Local Health District, Australia. POPULATION OR SAMPLE: women with singleton pregnancies who had first trimester screening for aneuploidy between 16 April, 2010 and 9 March, 2012. Analysis of 2966 births. MAIN OUTCOME MEASURES: Large for gestational age (LGA) >4000 g, >4500 g, >5000 g, >90th, >95th, >97th centiles and small for gestational age (SGA) <1500 g, <2500 g, A. In mice, a greater rosuvastatin liver:plasma ratio was noted when administered with food. Among rosuvastatin patients (n = 156), there was no difference in dose needed to reach target LDL-C, measured LDL C, or lathosterol concentrations, when administered in a fed or fasting state. Therefore, taking rosuvastatin with food could reduce systemic concentrations, and subsequent myopathy risk, without compromising LDL-C-lowering benefit. PMID- 29218708 TI - Three-dimensional reconstruction of the cranial and anterior spinal nerves in early tadpoles of Xenopus laevis (Pipidae, Anura). AB - Xenopus laevis is one of the most widely used model organism in neurobiology. It is therefore surprising, that no detailed and complete description of the cranial nerves exists for this species. Using classical histological sectioning in combination with fluorescent whole mount antibody staining and micro-computed tomography we prepared a detailed innervation map and a freely-rotatable three dimensional (3D) model of the cranial nerves and anterior-most spinal nerves of early X. laevis tadpoles. Our results confirm earlier descriptions of the pre otic cranial nerves and present the first detailed description of the post-otic cranial nerves. Tracing the innervation, we found two previously undescribed head muscles (the processo-articularis and diaphragmatico-branchialis muscles) in X. laevis. Data on the cranial nerve morphology of tadpoles are scarce, and only one other species (Discoglossus pictus) has been described in great detail. A comparison of Xenopus and Discoglossus reveals a relatively conserved pattern of the post-otic and a more variable morphology of the pre-otic cranial nerves. Furthermore, the innervation map and the 3D models presented here can serve as an easily accessible basis to identify alterations of the innervation produced by experimental studies such as genetic gain- and loss of function experiments. PMID- 29218709 TI - Predicting plant immunity gene expression by identifying the decoding mechanism of calcium signatures. AB - Calcium plays a key role in determining the specificity of a vast array of signalling pathways in plants. Cellular calcium elevations with different characteristics (calcium signatures) carry information on the identity of the primary stimulus, ensuring appropriate downstream responses. However, the mechanism for decoding calcium signatures is unknown. To determine this, decoding of the salicylic acid (SA)-mediated plant immunity signalling network controlling gene expression was examined. A dynamic mathematical model of the SA-mediated plant immunity network was developed. This model was used to predict responses to different calcium signatures; these were validated empirically using quantitative real-time PCR to measure gene expression. The mechanism for decoding calcium signatures to control expression of plant immunity genes enhanced disease susceptibility 1 (EDS1) and isochorismate synthase 1 (ICS1) was identified. Calcium, calmodulin, calmodulin-binding transcription activators (CAMTA)3 and calmodulin binding protein 60g (CBP60g) together amplify each calcium signature into three active signals, simultaneously regulating expression. The time required for calcium to return to steady-state level also quantitatively regulates gene expression. Decoding of calcium signatures occurs via nonlinear interactions between these active signals, producing a unique response in each case. Key properties of the calcium signatures are not intuitive, exemplifying the importance of mathematical modelling approaches. This approach can be applied to identifying the decoding mechanisms of other plant calcium signalling pathways. PMID- 29218710 TI - Turning local knowledge and experience into innovative tools for quality care during labor and childbirth: The BOLD project experience. PMID- 29218711 TI - Defining quality of care during childbirth from the perspectives of Nigerian and Ugandan women: A qualitative study. AB - OBJECTIVE: To explore what "quality of care" means to childbearing women in Nigeria and Uganda, as a means of ensuring that women's voices and opinions are prioritized when developing interventions to improve quality in maternity care provision. METHODS: Qualitative methods, with a purposive sample of women in Nigeria and Uganda. Participants were asked to define quality of care and to provide examples of when it was and was not provided. Thematic analysis was used to synthesize findings based on an a priori framework (the WHO quality of care framework). RESULTS: 132 in-depth interviews and 21 focus group discussions are included. Participants spontaneously discussed each of the WHO framework domains of quality of care. Data were richest across the domains of effective communication, respect and dignity, emotional support, competent and motivated human resources, and essential physical resources. Women believed that good quality of care ensured optimal psychological and physiological outcomes for the woman and her baby. Positive interpersonal relationships between women and health providers were important. These included supportive care, building rapport, and using positive and clear language. CONCLUSION: To provide good quality of care, maternity services should consider and act on the expectations and experiences of women and their families. PMID- 29218712 TI - Disposable skin staplers for closure of linear gastrointestinal incisions in dogs. AB - OBJECTIVE: To report the clinical features and outcomes of linear gastrointestinal incisions closed with skin staples in dogs. STUDY DESIGN: Historical cohort study. ANIMALS: 333 client-owned dogs. METHODS: Medical records from 1 private referral hospital were searched for dogs that underwent gastrointestinal surgery between November 1999 and October 2015. Cases were included if skin staplers were used to close linear gastrointestinal incisions. Information regarding preoperative, surgical, and postoperative factors was collected. RESULTS: Complications were diagnosed in 8 of 245 (3.27%) dogs, including 3 of 245 (1.22%) dogs that died or were euthanized, 3 of 245 (1.22%) dogs with incisional dehiscence, and 2 of 245 (0.81%) dogs with attachment of a linear foreign body to the staples at the intestinal lumen. Dehiscence was noted at the enterotomy sites in 3 dogs at a mean time of 44 hours after surgery (SD +/ 6.93). Two dogs presented with another linear foreign body that was attached to the staples in the intestinal lumen at postoperative days 24 and 42. The risk factors associated with incisional dehiscence included multiple gastrointestinal incisions performed in 1 surgery (chi2 , P < .001) and the presence of a linear foreign body (chi2 , P = .02253). No associations were detected between dogs' age, sex, weight, surgery time, indication for surgical intervention, surgery location in the gastrointestinal tract, or surgeon experience and incisional dehiscence. CONCLUSION: Skin staplers provide safe and effective closure of gastrotomies, enterotomies, and colonotomies in dogs. This method is reliable, efficient, and affordable in the hands of veterinary surgeons with varying skill levels. PMID- 29218713 TI - Low levels of genetic structuring in King George whiting Sillaginodes punctatus across two geographic regions. AB - Postlarvae of King George whiting Sillaginodes punctatus, a commercially important fish species in southern Australia, were collected from multiple locations across south and south-eastern Australia. Genetic analyses using seven microsatellite markers found little evidence of genetic structure suggesting high levels of connectivity between the regions. The results found no evidence of a distinct source spawning population within the south-eastern range sampled in this study. PMID- 29218714 TI - Using a service design model to develop the "Passport to Safer Birth" in Nigeria and Uganda. AB - OBJECTIVE: To demonstrate how a human-centered service design approach can generate practical tools for good-quality childbirth care in low-resource settings. METHODS: As part of the WHO "Better Outcomes in Labour Difficulty" (BOLD) project, a service design approach was used in eight Ugandan and Nigerian health facilities and communities to develop the "Passport to Safer Birth." There are three phases: Research for Design, Concept Design, and Detail Design. These generated design principles, design archetype personas, and Passport prototypes. Data collection methods included desk research, interviews, group discussions, and journey mapping to identify touchpoints where the woman interacts with the health system. RESULTS: A total of 90 interviews, 12 observation hours, and 15 group discussions were undertaken. The resulting design principles were: a shared and deeper understanding of pregnancy and childbirth among family and community; family readiness for decision-making and action; and the woman's sense of being in control and being cared for. Four archetype personas of women emerged: Vulnerable; Passive; Empowered; Accepter. Subsequent development of the Passport to Safer Birth tools addressed three domains: Care Mediator; Expectation Manager; and Pregnancy Assistant. CONCLUSION: The service design approach can create innovative, human-centered service solutions to improve maternity care experiences and outcomes in low-resource settings. PMID- 29218715 TI - Therapists' and Clients' Perceptions of Bonding as Predictors of Outcome in Multisystemic Therapy(r). AB - This longitudinal study examined whether strength of and balance in self-reported caregiver, youth, and therapist emotional bonds in mid- and late treatment predicted outcomes in Multisystemic Therapy of adolescent behavior problems in a sample of 164 caregiver-youth dyads. Strength of and balance in bonds related to outcome in different ways, depending on the source of the report and time. Results showed a limited association between family members' emotional connection with the therapist and treatment outcome, whereas therapists' perceptions of bond with the caregiver showed highly significant associations across time. Caregiver therapist agreement on emotional connection at both time points predicted therapist evaluation of treatment success and successful termination, but this was largely explained by therapists' level of alliance. Balance in bonds with the therapist between caregiver and youth had no significant associations with any outcome. The study major limitations such as examining only one component of alliance and possible implications are discussed. PMID- 29218716 TI - Pregnancy in a patient with Netherton syndrome. PMID- 29218717 TI - Genetic composition of a population of natural common bream Abramis brama * roach Rutilus rutilus hybrids and their morphological characteristics in comparison with parent species. AB - Common bream Abramis brama, roach Rutilus rutilus and their hybrids were collected in the Dobczyce Reservoir in southern Poland in 2006-2013 to study whether it is better for a hybrid individual to resemble and compete with one of its parents, or to minimize competition by having a distinctive phenotype. All hybrids were F1 crosses and originated predominantly (93.2%) from matings between female A. brama and male R. rutilus parents. In morphometric analyses, a newly defined coefficient, L3 = 2.5 (body mass) (LS * body depth)-1 , which enables forms with similar length-depth proportions but different length-mass relationships to be distinguished was used. Morphometric and meristic characteristics of the hybrids were intermediate in comparison with the parental species, with small but significant deviation towards R. rutilus in longitudinal body dimensions (trunk and tail length) and towards A. brama in body cross sectional shape (body depth and L3 coefficient). This may result in a more R. rutilus like propulsion in hybrids and a more A. brama like ability to manoeuvre. PMID- 29218718 TI - Comparing apples to oranges: A commentary on the Mayo study of MYD88 significance in Waldenstrom's macroglobulinemia. PMID- 29218719 TI - The communication and emotional support needs to improve women's experience of childbirth care in health facilities in Southwest Nigeria: A qualitative study. AB - OBJECTIVE: To improve women's childbirth experiences in health facilities, their psychosocial and communication needs have to be met. However, what constitutes these specific needs is poorly understood, particularly in Sub-Saharan Africa. This paper explores women's needs for communication and emotional support during facility-based childbirth. METHODS: Qualitative research was conducted in a large referral maternity hospital and its catchment communities in Akure, Nigeria. In depth interviews (IDIs) and focus group discussions (FGDs) were conducted among women of reproductive age, midwives, doctors, and facility administrators. Thematic analysis was used to synthesize findings, and then interpreted within the context of this study and existing quality of care framework. RESULTS: Forty two IDIs and 10 FGDs are included in this analysis. Participants reported such needs as communication in simple words in local language by healthcare staff, having their husbands as birth companions, spiritual support, and prayers from family members and healthcare providers. CONCLUSION: To increase, improve, and sustain facility-based childbirth in Nigeria, health systems should appreciate the uniqueness and importance of each woman's needs during childbirth. Practical and sustainable actions should be taken to meet these needs, within the confines of the acceptable sociocultural norms. PMID- 29218720 TI - Long-term risk of cervical cancer following conization of cervical intraepithelial neoplasia grade 3-A Danish nationwide cohort study. AB - Using nationwide Danish registries we examined the long-term risk of cervical cancer in women diagnosed with cervical intraepithelial neoplasia grade 3 (CIN3) (including adenocarcinoma in situ (AIS)) on the cone compared to women with a normal cytology test. Initially, we identified women born 1918-1990, who were recorded as living in Denmark between January 1, 1978 and December 31, 2012. From the Pathology Data Bank information on CIN3 on the cone, margins status, histological type of CIN3 and cervical cytology results was extracted. Cox proportional hazard model was used to estimate the relative risk of subsequent cervical cancer. We included 59,464 women with CIN3 on the cone and 1,918,508 women with a normal cytology test. Overall, women diagnosed with CIN3 had a higher risk of subsequent cervical cancer compared to women with normal cytology (HR = 2.06; 95%CI: 1.81-2.35). Analyses according to time since conization showed elevated risks in all time periods, and 25 years or more after conization the relative risk was significantly increased (HR = 2.56; 95%CI: 1.37-4.77). Twenty years or more after conization, also women with negative margins had an increased relative risk (HR = 2.49; 95%CI: 1.12-5.57). In addition, the long-term relative risk of cervical cancer varied with the different histological types of CIN3 and was highest for AIS (HR = 7.50; 95%CI: 1.87-30.01, 10-14 years after conization). In conclusion, women diagnosed with CIN3 on the cone have a long-lasting increased risk of cervical cancer even when the margins on the cone are negative. PMID- 29218721 TI - Functional characterization of a second pedal peptide/orcokinin-type neuropeptide signaling system in the starfish Asterias rubens. AB - Molluscan pedal peptides (PPs) and arthropod orcokinins (OKs) are prototypes of a family of neuropeptides that have been identified in several phyla. Recently, starfish myorelaxant peptide (SMP) was identified as a PP/OK-type neuropeptide in the starfish Patiria pectinifera (phylum Echinodermata). Furthermore, analysis of transcriptome sequence data from the starfish Asterias rubens revealed two PP/OK type precursors: an SMP-type precursor (A. rubens PP-like neuropeptide precursor 1; ArPPLNP1) and a second precursor (ArPPLNP2). We reported previously a detailed analysis of ArPPLNP1 expression in A. rubens and here we report the first functional characterization ArPPLNP2-derived neuropeptides. Sequencing of a cDNA encoding ArPPLNP2 revealed that it comprises eleven related neuropeptides (ArPPLN2a-k), the structures of several of which were confirmed using mass spectrometry. Analysis of the expression of ArPPLNP2 and neuropeptides derived from this precursor using mRNA in situ hybridization and immunohistochemistry revealed a widespread distribution, including expression in radial nerve cords, circumoral nerve ring, digestive system, tube feet and innervation of interossicular muscles. In vitro pharmacology revealed that the ArPPLNP2-derived neuropeptide ArPPLN2h has no effect on the contractility of tube feet or the body wall-associated apical muscle, contrasting with the relaxing effect of ArPPLN1b (ArSMP) on these preparations. ArPPLN2h does, however, cause dose-dependent relaxation of cardiac stomach preparations, with greater potency/efficacy than ArPPLN1b and with similar potency/efficacy to the SALMFamide neuropeptide S2. In conclusion, there are similarities in the expression patterns of ArPPLNP1 and ArPPLNP2 but our data also indicate specialization in the roles of neuropeptides derived from these two PP/OK-type precursors in starfish. PMID- 29218722 TI - Coupling of microRNA-directed phased small interfering RNA generation from long noncoding genes with alternative splicing and alternative polyadenylation in small RNA-mediated gene silencing. AB - MicroRNAs (miRNAs) and phased small interfering RNAs (phasiRNAs) play vital regulatory roles in plant growth and development. Little is known about these small RNAs in litchi (Litchi chinensis), an economically important fruit crop widely cultivated in Southeast Asia. We profiled the litchi small RNA population with various deep-sequencing techniques and in-depth bioinformatic analyses. The genome-wide identification of miRNAs, their target genes, and phasiRNA-generating (PHAS) genes/loci showed that the function of miR482/2118 has expanded, relative to its canonical function. We also discovered that, for 29 PHAS loci, miRNA mediated phasiRNA production was coupled with alternative splicing (AS) and alternative polyadenylation (APA). Most of these loci encoded long noncoding RNAs. An miR482/2118 targeted locus gave rise to four main transcript isoforms through AS/APA, and diverse phasiRNAs generated from these isoforms appeared to target long terminal repeat (LTR) retrotransposons and other unrelated genes. This coupling enables phasiRNA production from different exons of noncoding PHAS genes and yields diverse phasiRNA populations, both broadening and altering the range of downstream phasiRNA-regulated genes. Our results reveal the diversity of miRNA and phasiRNA in litchi, and demonstrate AS/APA as a new layer of regulation in small RNA-mediated gene silencing. PMID- 29218723 TI - How Do Our Values Inform Ethical Research? A Narrative of Recognizing Colonizing Practices. AB - How do you reconcile tensions between ethical research practice, personal values, and disciplinary values? This article focuses on an ethical challenge involving the engagement of rural Indigenous community members that emerged during my PhD fieldwork. The narrative illustrates the necessity to engage in critical reflexive research practice, a process which saw me respond to my own feelings of "wrong" and "right," contemplate a distinction between procedural ethics and virtue ethics in community-based research, explore colonizing research practices, and endeavor to reconcile an instance where the values of community psychology appeared in contest. The "voice" in this narrative is that of the first author; the dual authorship reflects the ongoing collaboration between both authors. When this ethical issue came about, our relationship was one of "student" and "supervisor"; we are now colleagues and friends. PMID- 29218724 TI - Genetic disruption of fractalkine signaling leads to enhanced loss of cochlear afferents following ototoxic or acoustic injury. AB - Cochlear hair cells are vulnerable to a variety of insults like acoustic trauma and ototoxic drugs. Such injury can also lead to degeneration of spiral ganglion neurons (SGNs), but this occurs over a period of months to years. Neuronal survival is necessary for the proper function of cochlear prosthetics, therefore, it is of great interest to understand the mechanisms that regulate neuronal survival in deaf ears. We have recently demonstrated that selective hair cell ablation is sufficient to attract leukocytes into the spiral ganglion, and that fractalkine signaling plays a role in macrophage recruitment and in the survival of auditory neurons. Fractalkine (CX3 CL1), a chemokine that regulates adhesion and migration of leukocytes is expressed by SGNs and signals to leukocytes via its receptor CX3 CR1. The present study has extended the previous findings to more clinically relevant conditions of sensorineural hearing loss by examining the role of fractalkine signaling after aminoglycoside ototoxicity or acoustic trauma. Both aminoglycoside treatment and acoustic overstimulation led to the loss of hair cells as well as prolonged increase in the numbers of cochlear leukocytes. Lack of CX3 CR1 did not affect macrophage recruitment after injury, but resulted in increased loss of SGNs and enhanced expression of the inflammatory cytokine interleukin-1beta, when compared to mice with intact CX3 CR1. These data indicate that the dysregulation of macrophage response caused by the absence of CX3 CR1 may contribute to inflammation-mediated neuronal loss in the deafened ear, suggesting a key role for inflammation in the long-term survival of target-deprived afferent neurons. PMID- 29218727 TI - GABAA and GABAB receptor subunit localization on neurochemically identified neurons of the human subthalamic nucleus. AB - The subthalamic nucleus (STN) is a critical excitatory signaling center within the basal ganglia circuitry. The activity of subthalamic neurons is tightly controlled by upstream inhibitory signaling centers in the basal ganglia. In this study, we used immunohistochemical techniques to firstly, visualize and quantify the STN neurochemical organization based on neuronal markers including parvalbumin (PV), calretinin (CR), SMI-32, and GAD65/67 . Secondly, we characterized the detailed regional, cellular and subcellular expression of GABAA (alpha1 , alpha2 , alpha3 , beta2/3 , and gamma2 ) and GABAB (R1 and R2) receptor subunits within the normal human STN. Overall, we found seven neurochemically distinct populations of principal neurons in the human STN. The three main populations detected were: (a) triple-labeled PV+ /CR+ /SMI32+ ; (b) double labeled PV+ /CR+ ; and (c) single-labeled CR+ neurons. Subthalamic principal neurons were found to express GABAA receptor subunits alpha1 , alpha3 , beta2/3 , gamma2 , and GABAB receptor subunits R1 and R2. However, no expression of GABAA receptor alpha2 subunit was detected. We also found a trend of increasing regional staining intensity for all positive GABAA receptor subunits from the dorsolateral pole to ventromedial extremities. The GAD+ interneurons showed relatively low expression of GABAA receptor subunits. These results provide the morphological basis of GABAergic transmission within the normal human subthalamic nucleus and evidence of GABA innervation through both GABAA and GABAB receptors on subthalamic principal neurons. PMID- 29218726 TI - Healthcare providers' perspectives on labor monitoring in Nigeria and Uganda: A qualitative study on challenges and opportunities. AB - OBJECTIVE: To explore current practices, challenges, and opportunities in relation to monitoring labor progression, from the perspectives of healthcare professionals in low-resource settings. METHODS: Thematic analysis of qualitative data (in-depth interviews [IDIs] and focus group discussions [FDGs]) obtained from a purposive sample of healthcare providers and managers in selected health facilities in Nigeria and Uganda. RESULTS: A total of 70 IDIs and 16 FGDs with doctors, midwives, and administrators are included in this analysis. Labor monitoring encompasses a broad scope of care jointly provided by doctors and midwives. A range of contextual limitations was identified as barriers to monitoring labor progression, including staff shortages, lack of team cooperation, delays in responding to abnormal labor observations, suboptimal provider-patient dynamics, and limitations in partograph use. Perceived opportunities to improve current practices included streamlining clinical team cooperation, facilitating provider-client communication, encouraging women's uptake of offered care, bridging the gaps in the continuum of monitoring tasks between cadres, and improving skills in assessment of labor progress, and accuracy in its documentation. CONCLUSION: Healthcare providers face many challenges to effective monitoring of labor progress in low-resource settings. This analysis presents potential opportunities to improve labor monitoring practices and tools in these contexts. PMID- 29218725 TI - Characterization of retinal ganglion cell, horizontal cell, and amacrine cell types expressing the neurotrophic receptor tyrosine kinase Ret. AB - We report the retinal expression pattern of Ret, a receptor tyrosine kinase for the glial derived neurotrophic factor (GDNF) family ligands (GFLs), during development and in the adult mouse. Ret is initially expressed in retinal ganglion cells (RGCs), followed by horizontal cells (HCs) and amacrine cells (ACs), beginning with the early stages of postmitotic development. Ret expression persists in all three classes of neurons in the adult. Using RNA sequencing, immunostaining and random sparse recombination, we show that Ret is expressed in at least three distinct types of ACs, and ten types of RGCs. Using intersectional genetics, we describe the dendritic arbor morphologies of RGC types expressing Ret in combination with each of the three members of the POU4f/Brn3 family of transcription factors. Ret expression overlaps with Brn3a in 4 RGC types, with Brn3b in 5 RGC types, and with Brn3c in one RGC type, respectively. Ret+ RGCs project to the lateral geniculate nucleus (LGN), pretectal area (PTA) and superior colliculus (SC), and avoid the suprachiasmatic nucleus and accessory optic system. Brn3a+ Ret+ and Brn3c+ Ret+ RGCs project preferentially to contralateral retinorecipient areas, while Brn3b+ Ret+ RGCs shows minor ipsilateral projections to the olivary pretectal nucleus and the LGN. Our findings establish intersectional genetic approaches for the anatomic and developmental characterization of individual Ret+ RGC types. In addition, they provide necessary information for addressing the potential interplay between GDNF neurotrophic signaling and transcriptional regulation in RGC type specification. PMID- 29218728 TI - A service concept and tools to improve maternal and newborn health in Nigeria and Uganda. AB - OBJECTIVE: The "Better Outcomes in Labor Difficulty" (BOLD) project used a service design process to design a set of tools to improve quality of care during childbirth by strengthening linkages between communities and health facilities in Nigeria and Uganda. This paper describes the Passport to Safer Birth concept and the tools developed as a result. METHODS: Service design methods were used to identify facilitators and barriers to quality care, and to develop human-centered solutions. The service design process had three phases: Research for Design, Concept Design, and Detail Design, undertaken in eight hospitals and catchment communities. RESULTS: The service concept "Better Beginnings" comprises three tools. The "Pregnancy Purse" provides educational information to women throughout pregnancy. The "Birth Board" is a visual communication tool that presents the labor and childbirth process. The "Family Pass" is a set of wearable passes for the woman and her supporter to facilitate communication of care preferences. CONCLUSION: The Better Beginnings service concept and tools form the basis for the promotion of access to information and knowledge acquisition, and could improve communication between the healthcare provider, the woman, and her family during childbirth. PMID- 29218729 TI - Structural and molecular heterogeneity of calretinin-expressing interneurons in the rodent and primate striatum. AB - Calretinin-expressing (CR+) interneurons are the most common type of striatal interneuron in primates. However, because CR+ interneurons are relatively scarce in rodent striatum, little is known about their molecular and other properties, and they are typically excluded from models of striatal circuitry. Moreover, CR+ interneurons are often treated in models as a single homogenous population, despite previous descriptions of their heterogeneous structures and spatial distributions in rodents and primates. Here, we demonstrate that, in rodents, the combinatorial expression of secretagogin (Scgn), specificity protein 8 (SP8) and/or LIM homeobox protein 7 (Lhx7) separates striatal CR+ interneurons into three structurally and topographically distinct cell populations. The CR+/Scgn+/SP8+/Lhx7- interneurons are small-sized (typically 7-11 um in somatic diameter), possess tortuous, partially spiny dendrites, and are rostrally biased in their positioning within striatum. The CR+/Scgn-/SP8-/Lhx7- interneurons are medium-sized (typically 12-15 um), have bipolar dendrites, and are homogenously distributed throughout striatum. The CR+/Scgn-/SP8-/Lhx7+ interneurons are relatively large-sized (typically 12-20 um), and have thick, infrequently branching dendrites. Furthermore, we provide the first in vivo electrophysiological recordings of identified CR+ interneurons, all of which were the CR+/Scgn-/SP8-/Lhx7- cell type. In the primate striatum, Scgn co-expression also identified a topographically distinct CR+ interneuron population with a rostral bias similar to that seen in both rats and mice. Taken together, these results suggest that striatal CR+ interneurons comprise at least three molecularly, structurally, and topographically distinct cell populations in rodents. These properties are partially conserved in primates, in which the relative abundance of CR+ interneurons suggests that they play a critical role in striatal microcircuits. PMID- 29218731 TI - Editor-in-Chief thanks the Associate Editors, Editorial Board and Referees. PMID- 29218730 TI - Monte Carlo study of ionization chamber magnetic field correction factors as a function of angle and beam quality. AB - PURPOSE: To use EGSnrc Monte Carlo simulations for magnetic field dosimetry to determine optimal measurement orientations, calculate beam quality conversion factors for 32 cylindrical and three parallel-plate (PP) ion chambers, evaluate the beam quality and angular dependence of these factors, and examine the magnetic field effects on %dd(10)x and TPR1020. METHODS: Beam quality conversion factors, kQmag, and magnetic field conversion factors, kB = kQmag/kQ , are calculated as a function of chamber rotation for six cylindrical ionization chamber in either a 60 Co beam with a 0.35 T magnetic field or a 7 MV beam with a 1.5 T field, both magnetic fields are perpendicular to the photon beam. The chambers' sensitive air volumes are varied by either using the entire geometric volume or excluding the air volume associated with the first 1 mm away from the stem. The kB and kQmag factors are evaluated using four clinical photon spectra. The variation in %dd(10)x and TPR1020 as a function of magnetic field for six photon spectra are studied using DOSXYZnrc. RESULTS: When the magnetic field is perpendicular to the photon beam, orienting the chamber parallel with the magnetic field reduces the magnetic field effect on chamber response (i.e., dose to air per water dose) and variations due to the unknown sensitive volume are essentially eliminated. Calculated kB factors are within 1% of unity for the majority of cylindrical chambers, although larger kB values are associated with chambers with high-Z electrodes. PP chambers have kB corrections as large as 8.9% and have a larger angular sensitivity compared to cylindrical chambers. Values of kB for cylindrical ion chambers are independent of beam quality, except for chambers with high-Z electrodes. For %dd(10)x values between 63.3% and 73.8%, kB varies by at most (0.26 +/- 0.15)% when the magnetic field is perpendicular to the photon beam and parallel to the chamber. Differences in %dd(10)x , between no magnetic field and with a 1.5 T field perpendicular to the photon beam are (0.04 +/- 0.10)%, (1.89 +/- 0.10)%, and (6.20 +/- 0.10)% for a 60 Co, 7, and 25 MV photon beam, respectively, while TPR1020 shows less than (0.36 +/- 0.10)% change. Applying the ICRU-90 recommendations for stopping powers instead of ICRU-37 is found to change kQ (and hence kB ) by less than 0.1%. CONCLUSIONS: Orienting the chamber parallel to the magnetic field when the field is perpendicular to the photon beam will minimize the effect of the magnetic field on chamber response, and eliminate the problem of the unknown sensitive volume. Values of kB and kQmag can bring ion chamber dosimetry in magnetic fields in-line with the TG-51 protocol. PP chamber are sensitive to the magnetic field and variation in chamber response due to small angular changes makes them unlikely candidates for clinical reference dosimetry in magnetic fields. The stability in TPR1020, as a function of magnetic fields and beam qualities, makes it the best beam quality specifier in magnetic fields. PMID- 29218732 TI - Single-center implementation of endoscopic submucosal dissection (ESD) in the colorectum: Low recurrence rate after intention-to-treat ESD. AB - BACKGROUND AND AIM: Colorectal endoscopic submucosal dissection (ESD) shows higher R0 resection and lower local recurrence rates than endoscopic mucosal resection (EMR) in Japan. In Europe, independent learning of ESD in the colorectum is feasible, but yet to be analyzed for curative resection and recurrence rates. METHODS: After experimental training under supervision by Japanese experts (T.O., N.Y.), three endoscopists independently carried out 83 ESD procedures intention-to-treat for lesions in the entire colorectum of 67 patients in a prospective registry (November 2009 to June 2016). RESULTS: ESD was feasible in 80 (96%) colorectal neoplasias (mean diameter 33.6 [+/- 1.8] mm), and three more required conversion to piecemeal EMR. The lesions were adenomas in 66% with low-grade intraepithelial neoplasia (LGIN), 29% with high-grade intraepithelial neoplasia, and 5% with carcinomas (G2, pT1). ESD had to be facilitated by the final use of snaring (hybrid-ESD, n = 45), especially in the initial learning period. En-bloc resection rate was 85%. Complications were microperforations (7%, conducive to one hemicolectomy), and delayed bleeding (1%) without mortality or long-term morbidity. Residual adenomas with LGIN (5%) after hybrid-ESD did not recur after endoscopic ablation. All malignant neoplasias (34%) were curatively resected without recurrence after a mean follow up of 19.5 (+/- 3.2) months. CONCLUSIONS: During independent ESD learning in the colorectum, ESD intention-to-treat showed a low recurrence rate after appropriate training, and hybrid-ESD showed acceptable complication and recurrence rates, justifying hybrid-ESD as a strategy for self-completion and rescue. PMID- 29218733 TI - A gene-driven recovery mechanism: Drosophila larvae increase feeding activity for post-stress weight recovery. AB - Recovery from weight loss after stress is important for all organisms, although the recovery mechanisms are not fully understood. We are working to clarify these mechanisms. Here, we recorded enhanced feeding activity of Drosophila melanogaster larvae from 2 to 4 h after heat stress at 35 degrees C for 1 h. During the post-stress period, expression levels of sweet taste gustatory receptor genes (Grs), Gr5a, Gr43a, Gr64a, and Gr64f, were elevated, whereas bitter taste Grs, Gr66a, and Gr33a, were decreased in expression and expression of a non-typical taste receptor Gr, Gr68a, was unchanged. Similar upregulation of Gr5a and downregulation of Gr66a was recorded after cold stress at 4 degrees C. Expression levels of tropomyosin and ATP synthase beta subunit were significantly increased in larval mouth parts around 3 to 5 h after the heat stress. We infer that up-regulation of post-stress larval feeding activity, and weight recovery, is mediated by increasing capacity for mouth part muscular movements and changes in taste sensing physiology. We propose that Drosophila larvae, and likely insects generally, express an efficient mechanism to recover from weight loss during post-stress periods. PMID- 29218735 TI - Soft tissue re-growth after osseous resective surgery with and without fibre retention technique. Four-year follow-up of a randomized clinical trial. AB - AIM: The aim of this study was to compare the clinical outcomes and soft tissue rebound following Fibre Retention Osseous Resective Surgery (FibReORS) and Osseous Resective Surgery (ORS) over a 48-month period. MATERIALS AND METHODS: Thirteen chronic periodontitis patients, displaying two contra-lateral posterior sextants with residual intrabony defects <=3 mm in single-rooted or multi-rooted teeth with no or grade I furcation involvement, were treated in a split-mouth study model. ORS procedure was randomly applied on one side, while FibReORS on the contra-lateral side. Clinical measurements were recorded at 12 and 48 months after surgery. RESULTS: All 13 patients were available for the 48-month recall. At this time point, probing depth (PD) and keratinized tissue changes did not significantly differ between treatments. FibReORS-treated sites exhibited less gingival recession than ORS-treated sextants (2.1 +/- 0.3 versus 2.5 +/- 0.4 mm, p = .001), but comparable coronal soft tissue rebound. The mean difference of 0.4 +/- 0.3 mm was consistent with higher amount of bone resection in the ORS group (0.92 +/- 0.11 versus 0.38 +/- 0.09 mm, p < .001). CONCLUSION: FibReORS resulted in similar PD changes and soft tissue rebound compared with ORS in posterior teeth with no or limited furcation involvement. PMID- 29218734 TI - Prognostic value of multicenter flow cytometry harmonized assessment of minimal residual disease in acute myeloblastic leukemia. AB - The assessment of minimal residual disease (MRD) in acute myeloblastic leukemia is of growing interest as a prognostic marker of patients' outcome. Multiparameter flow cytometry (MFC), tracking leukemia-associated immunophenotypic patterns, has been shown in several studies to be a useful tool to investigate MRD. Here, we report a multicenter prospective study which allowed to define a harmonized analysis strategy, as well as the efficacy of MFC MRD to predict outcome. This study included 276 patients, in 10 different MFC centers, of whom 268 had at least 1 MRD check point. The combination of a CD45, CD34, and CD33 backbone, with the addition of CD117, CD13, CD7, and CD15 in 2 five-color tubes allowed to define each patient's multiparameter immunophenotypic characteristics at diagnosis, according to a Boolean combination of gates. The same individual diagnosis gating strategy was then applied at each MRD time point for each patient. MRD levels were stratified according to log by log thresholds, from 5 * 10-2 (the classical morphological threshold to define remission) down to <5 * 10-5 . MRD was found to be constantly negative (<5 * 10-5 ) for 148 patients. Survival analyses significantly associated MRD negativity with a good prognosis and any positive value with poorer outcome. All P values were <0.0001 both for disease-free and overall survival at the earliest time point (post induction, MRD1) as well as when considering all time points together. Finally, MRD levels were independent of cytogenetics and allowed in fact to further stratify all cytogenetics risk groups. In summary, this multicenter study demonstrates that a simple combination of immunophenotypic markers successfully allows for the detection of MRD in acute myeloblastic leukemia patients, with a strong correlation to outcome. PMID- 29218736 TI - A High-Performing Direct Carbon Fuel Cell with a 3D Architectured Anode Operated Below 600 degrees C. AB - Direct carbon fuel cells (DCFCs) are highly efficient power generators fueled by abundant and cheap solid carbons. However, the limited triple-phase boundaries (TPBs) in the fuel electrode, due to the lack of direct contact among carbon, electrode, and electrolyte, inhibit the performance and result in poor fuel utilization. To address the challenges of low carbon oxidation activity and low carbon utilization, a highly efficient, 3D solid-state architected anode is developed to enhance the performance of DCFCs below 600 degrees C. The cell with the 3D textile anode framework, Gd:CeO2 -Li/Na2 CO3 composite electrolyte, and Sm0.5 Sr0.5 CoO3 cathode demonstrates excellent performance with maximum power densities of 143, 196, and 325 mW cm-2 at 500, 550, and 600 degrees C, respectively. At 500 degrees C, the cells can be operated steadily with a rated power density of ~0.13 W cm-2 at a constant current density of 0.15 A cm-2 with a carbon utilization over 85.5%. These results, for the first time, demonstrate the feasibility of directly electrochemical oxidation of solid carbon at 500-600 degrees C, representing a promising strategy in developing high-performing fuel cells and other electrochemical systems via the integration of 3D architected electrodes. PMID- 29218737 TI - Unsaturated cryptophanes: Toward dual PHIP/hyperpolarised xenon sensors. AB - Cryptophanes, cage-molecules constituted of aromatic bowls, are now well recognised as powerful xenon hosts in 129 Xe NMR-based biosensing. In the quest of a dual probe that can be addressed only by NMR, we have studied three cryptophanes bearing a tether with an unsaturated bond. The idea behind this is to build probes that can be detected both via hyperpolarised 129 Xe NMR and para hydrogen induced polarisation 1 H NMR. Only two of the three cryptophanes experience a sufficiently fast hydrogenation enabling the para-hydrogen induced polarisation effect. Although the in-out xenon exchange properties are maintained after hydrogenation, the chemical shift of xenon encaged in these two cryptophanes is not strikingly modified, which impedes safe discrimination of the native and hydrogenated states via 129 Xe NMR. However, a thorough examination of the hyperpolarised 1 H spectra reveals some interesting features for the catalytic process and gives us clues for the design of doubly smart 1 H/129 Xe NMR-based biosensors. PMID- 29218738 TI - A recurrent mutation in the KRT17 gene responsible for severe steatocystoma multiplex in a large Chinese family. PMID- 29218739 TI - Successful liver transplantation for homozygous protein C deficiency with a type II mutation using a heterozygous living related donor. PMID- 29218740 TI - Enrichment Strategies in Pediatric Drug Development: An Analysis of Trials Submitted to the US Food and Drug Administration. AB - Clinical trial enrichment involves prospectively incorporating trial design elements that increase the probability of detecting a treatment effect. The use of enrichment strategies in pediatric drug development has not been systematically assessed. We analyzed the use of enrichment strategies in pediatric trials submitted to the US Food and Drug Administration from 2012-2016. In all, 112 efficacy studies associated with 76 drug development programs were assessed and their overall success rates were 78% and 75%, respectively. Eighty eight trials (76.8%) employed at least one enrichment strategy; of these, 66.3% employed multiple enrichment strategies. The highest trial success rates were achieved when all three enrichment strategies (practical, predictive, and prognostic) were used together within a single trial (87.5%), while the lowest success rate was observed when no enrichment strategy was used (65.4%). The use of enrichment strategies in pediatric trials was found to be associated with trial and program success in our analysis. PMID- 29218741 TI - A test of the substitution-habitat hypothesis in amphibians. AB - Most examples that support the substitution-habitat hypothesis (human-made habitats act as substitutes of original habitat) deal with birds and mammals. We tested this hypothesis in 14 amphibians by using percentage occupancy as a proxy of habitat quality (i.e., higher occupancy percentages indicate higher quality). We classified water body types as original habitat (no or little human influence) depending on anatomical, behavioral, or physiological adaptations of each amphibian species. Ten species had relatively high probabilities (0.16-0.28) of occurrence in original habitat, moderate probability of occurrence in substitution habitats (0.11-0.14), and low probability of occurrence in refuge habitats (0.05-0.08). Thus, the substitution-habitat hypothesis only partially applies to amphibians because the low occupancy of refuges could be due to the negligible human persecution of this group (indicating good conservation status). However, low occupancy of refuges could also be due to low tolerance of refuge conditions, which could have led to selective extinction or colonization problems due to poor dispersal capabilities. That original habitats had the highest probabilities of occupancy suggests amphibians have a good conservation status in the region. They also appeared highly adaptable to anthropogenic substitution habitats. PMID- 29218742 TI - Prevalence of foot disorders in captive Sardinian partridges (Alectoris barbara barbara Bonnaterre, 1790) as useful indicators of fitness to natural environment. AB - Foot health represents an issue in wild avifauna breeding practices. In particular, prevalence of digital ulceration (DU) and foot pad dermatitis (FPD) are valid indicators of welfare in wildlife conservation centres and may be interpreted as to fitness for bird's reintroduction into the wild. This study meant to test the effects of raising practices on foot pad health in captive Sardinian partridges (Alectoris barbara barbara Bonnaterre, 1790) reared for biodiversity conservation, to assess welfare and fitness to reintroduction into nature. A total of 22 couples were allotted into two experimental groups. In one group, 10 couples were housed in 10 cages for breeding partridges, consisting of two animals each, with metal wire flooring system, above trays where droppings were collected. The remaining 12 couples were housed in six aviaries, consisting of four animals each, on natural (earth and stones) ground. In both groups, partridges were fed identical diets. No significant differences of food pad scoring were found between birds housed in cages (2.3 +/- 0.4) and those reared in aviaries on natural ground (2.5 +/- 0.6). Moreover, scores of male foot pads for both groups (2.4 +/- 0.6) had no significant differences in comparison with female foot pads, independently on housing (2.5 +/- 0.4). Body mass (BM) was higher (+4.36%) than average BM reported for wild Sardinian partridges. Digital ulceration was found in the 20% of females, exclusively from the cage group. Body mass of females in cages with metal wire flooring appeared to be significantly (p < .001) and negatively correlated (r = -.528) with DU prevalence. These results suggest that housing conditions impacts differently on behaviour of females and males in one same couple, and this relates to foot health, in particular as to DU prevalence. PMID- 29218743 TI - Repeatability of pleural adenosine deaminase measurements in diagnostic evaluation of pleural effusions. AB - BACKGROUND: A follow-up thoracentesis is proposed in suspected atypical tuberculosis cases. The study aimed to define the variability of pleural ADA values across repeated thoracenteses in different types of pleural effusions (PEs) and to evaluate whether ADA variance, in regard to the cutoff value of 40 U/L, affected final diagnosis. METHODS: A total of 131 patients with PEs of various etiologies underwent three repeated thoracenteses. ADA values were subsequently estimated. RESULTS: 82% and 55% of patients had greater than 10% and 20% deviation from the highest ADA value, respectively. From those patients who had a variance of 20%, 36% had only increasing ADA values, while 19% had only decreasing values. Considering the cutoff value of 40 U/L, only in two cases, ADA decreased below this threshold, which concerned a man with tuberculous pleurisy and a woman with lymphoma both in the course of treatment. Furthermore, only in two cases with rising values, ADA finally exceeded the cutoff limit, which concerned a man with rheumatoid pleurisy and a man with tuberculous pleurisy. Surprisingly, malignant PEs (MPEs) showed a higher percentage of increasing values compared to all other exudates that did not, however, exceed the threshold. CONCLUSION: The determination of pleural ADA levels is a reproducible method for rapid tuberculosis diagnosis. The detected measurement deviations do not appear to affect final diagnosis. In specific situations, repeated ADA measurements may be valuable in directing further diagnostic evaluation. More investigation is needed to elucidate the possible prognostic significance of the increasing trend in ADA values in MPEs. PMID- 29218744 TI - Hybrid Silicon-Based Organic/Inorganic Block Copolymers with Sol-Gel Active Moieties: Synthetic Advances, Self-Assembly and Applications in Biomedicine and Materials Science. AB - Hybrid silicon-based organic/inorganic (multi)block copolymers are promising polymeric precursors to create robust nano-objects and nanomaterials due to their sol-gel active moieties via self-assembly in solution or in bulk. Such nano objects and nanomaterials have great potential in biomedicine as nanocarriers or scaffolds for bone regeneration as well as in materials science as Pickering emulsifiers, photonic crystals or coatings/films with antibiofouling, antibacterial or water- and oil-repellent properties. Thus, this Review outlines recent synthetic efforts in the preparation of these hybrid inorganic/organic block copolymers, gives an overview of their self-assembled structures and finally presents recent examples of their use in the biomedical field and material science. PMID- 29218745 TI - Expression of the potassium-chloride co-transporter, KCC2, within the avian song system. AB - Songbirds learn to produce vocalizations early in life by listening to, then copying the songs of conspecific males. The anterior forebrain pathway, homologous to a basal ganglia-forebrain circuit, is essential for song learning. The projection between the striato-pallidal structure, Area X, and the medial portion of the dorsolateral thalamic nucleus (DLM) is strongly hyperpolarizing in adults, due to a very negative chloride reversal potential (Person & Perkel, Neuron 46:129-140, 2005). The chloride reversal potential is determined, in part, by the expression level of a neuron-specific potassium-chloride cotransporter, KCC2, which is developmentally upregulated in mammals. To determine whether a similar upregulation in KCC2 expression occurs at the Area X to DLM synapse during development, we examined the expression level of KCC2 in adult zebra finches across the song system as well as during development in the Area X - DLM synapse. We demonstrate that KCC2 is expressed in a subset of neurons throughout the song system, including HVC (used as a proper name), robust nucleus of the arcopallium (RA), lateral magnocellular nucleus of the anterior nidopallium (LMAN), Area X, and DLM. The majority of pallidal-like projection neurons in Area X showed KCC2 immunoreactivity. In adults, KCC2 expression was robust within DLM, and was upregulated between 14 and 24 days post hatching, before the onset of song learning. Light and electron microscopic analysis indicated that KCC2 immunoreactivity is strongly associated with the plasma membrane. Thus, in the song system as in the mammalian brain, KCC2 expression is well placed to modulate the GABAA reversal potential. PMID- 29218746 TI - BODIPY-Based Antiaromatic Macrocycles: Facile Synthesis by Knoevenagel Condensation and Unusual Aggregation-Enhanced Two-Photon Absorption Properties. AB - Two stable boron dipyrromethene (BODIPY)-based antiaromatic macrocycles, Mc-Fur and Mc-Th, were synthesized through a one-pot Knoevenagel condensation reaction between a BODIPY precursor and furan-2,5-dicarboxaldehyde or thiophene-2,5 dicarboxaldehyde, respectively. 1 H NMR spectroscopic characterization of the two macrocycles supported their highly antiaromatic character. The oxidation properties of the two macrocycles were studied through electron spin resonance spectroscopy and UV/Vis absorption spectrophotometry, which suggested the formation of a stable monoradical cation species on first oxidation followed by an aromatic dicationic species on subsequent oxidation. Both molecules have a nearly planar pi-conjugated backbone and show a strong tendency to aggregate in solution due to efficient stacking of the antiaromatic macrocycles. Transient absorption and two-photon absorption (TPA) measurements in solution and aggregated states of the macrocycles revealed that aggregation resulted in large enhancement of TPA cross sections and increased excited-state lifetimes, in accordance with the decrease in the antiaromatic character in the aggregated state. PMID- 29218747 TI - Patient characteristics and outcome measurement in a low secure forensic hospital. AB - BACKGROUND: Health services are increasingly required to measure outcomes after treatment, which can be reported to the funding body and may be scrutinised by the public. Extensive high-quality measurements are time consuming. Routinely collected clinical data might, if anonymised, provide good enough evidence of useful change consequent on service received. RESEARCH QUESTION: Do the Health of the Nation Scale and the 20-item Historical, Clinical, Risk structured professional judgement tool scores provide evidence of clinical and risk change among low security hospital patients at 6 and 12 months after admission? METHODS: One hundred and eight men were either resident on the unit on 1 January 2011 or new admissions to the census date of 31 May 2013. Their routinely collected data were added to an outcome register following each patient's Care Programme Approach clinical review meeting and analysed using repeated measures t-tests with Bonferroni corrections. RESULTS: Most of the men, mean age 34.3 years, were single (93%), White British (71%) and with a primary diagnosis of schizophrenia (62%). There were significant reductions in the 11-item Health of the Nation Scale (excluding the community living condition scale) scores between baseline and 6 months and between 6 and 12 months, but no change on its additional 7-item secure subscale. Individual effect sizes indicated that 39% of the men had better social function, although 18% had deteriorated at 6 months. There was little overall change in the 20-item Historical, Clinical, Risk; individual effect sizes indicated that 11 men (15%) were rated as being at lower risk level and 10 (14%) at higher after 6 months in the study. CONCLUSIONS/IMPLICATIONS FOR CLINICAL PRACTICE: Standard clinical measures are promising as indicators of change in low security hospital patients. Risk ratings may be conservative, but at this stage of a secure hospital admission, higher scores may be as likely to indicate progress in identifying and quantifying risks as apparent increase in risk. Copyright (c) 2017 John Wiley & Sons, Ltd. PMID- 29218748 TI - Adolescent non-drinkers: Who are they? Social relations, school performance, lifestyle factors and health behaviours. AB - INTRODUCTION AND AIMS: Traditionally, non-drinking adults or young adults have been associated with health deficits rather than health benefits. However, as the proportion of Swedish non-drinking adolescents has doubled since 2000, their health profiles are of interest. The aim of the present study is to examine whether social relations, school characteristics, lifestyle factors or health behaviours distinguish adolescent non-drinkers from adolescent drinkers, and if their health profiles have changed from 2004 to 2012. DESIGN AND METHODS: Data from the Survey of Adolescent Life in Vestmanland, a health survey biennially distributed to all 9th graders (15-16 years) in a medium-sized Swedish county, was used. In total, 2872 students in 2004 and 2045 students in 2012 were included. RESULTS: Non-drinkers were distinguished from drinkers in both 2004 and 2012 by elevated parental supervision, a lower rate of school truancy and lower rates of cannabis use, use of other illicit drugs, daily smoking and lower scores on antisocial behaviour, but more problems of getting new friends. No differences between 2004 and 2012 were found. DISCUSSION AND CONCLUSIONS: Non-drinkers presented more adaptive and healthier behaviours than their drinking peers, but it is difficult to determine whether their health benefits were related to their improved alcohol status or to the more general trend towards adaptation that occurred from 2004 to 2012 among adolescents. PMID- 29218750 TI - Pelvic lymphangioleiomyomatosis diagnosed by FNA of cyst fluid. PMID- 29218749 TI - Evidence for miRNA-mediated modulation of the host transcriptome in cnidarian dinoflagellate symbiosis. AB - Reef-building corals and other cnidarians living in symbiotic relationships with intracellular, photosynthetic dinoflagellates in the genus Symbiodinium undergo transcriptomic changes during infection with the algae and maintenance of the endosymbiont population. However, the precise regulatory mechanisms modulating the host transcriptome are unknown. Here, we report apparent post-transcriptional gene regulation by miRNAs in the sea anemone Aiptasia, a model system for cnidarian-dinoflagellate endosymbiosis. Aiptasia encodes mainly species-specific miRNAs, and there appears to have been recent differentiation within the Aiptasia genome of miRNAs that are commonly conserved among anthozoan cnidarians. Analysis of miRNA expression showed that both conserved and species-specific miRNAs are differentially expressed in response to endosymbiont infection. Using cross linking immunoprecipitation of Argonaute, the central protein of the miRNA induced silencing complex, we identified miRNA binding sites on a transcriptome wide scale and found that the targets of the miRNAs regulated in response to symbiosis include genes previously implicated in biological processes related to Symbiodinium infection. Our study shows that cnidarian miRNAs recognize their mRNA targets via high-complementarity target binding and suggests that miRNA mediated modulations of genes and pathways are important during the onset and maintenance of cnidarian-dinoflagellate endosymbiosis. PMID- 29218751 TI - Comparing levels of blood alcohol concentration and indicators of impairment in nightlife patrons. AB - INTRODUCTION AND AIMS: Breathalyser estimate of blood alcohol concentration (BAC) is widely used as an objective intoxication measure, but is not always practical in nightlife contexts. This study uses in situ data collected in nightlife environments to explore how four measures of intoxication are related so as to inform the development of a more practical and reliable method of differentiating intoxication for people working in the night-time economy. DESIGN AND METHODS: Nightlife patron interviews were conducted in five Australian cities. Participants completed demographic questions and were asked about current session (past 12 h) alcohol use, and four different measures of intoxication were assessed: BAC, participant's self-reported intoxication (0-10), interviewer rating of the participant's intoxication (0-10) and interviewer-rated number of the participants' of physical signs of intoxication. RESULTS: A total of 7028 patrons were surveyed and n = 5273 included in analysis. Mean age was 23.9 years (SD = 6.36); 61.5% were male. There was a significant difference in occurrence of all observable intoxication symptoms across differing levels of BAC (P < 0.001). All visible symptoms became more common as intoxication increased, except for talking very quickly/talkative and giggly symptoms. As BAC levels increase, the extent of the disagreement between self-rated and interviewer-rated intoxication measures widens. Exhibiting four or more visible intoxication symptoms emerged as a reliable method for observers to identify intoxicated patrons. DISCUSSION AND CONCLUSIONS: As BAC increases, people become worse at estimating their own intoxication, but sober observers remain relatively accurate. Findings provide support for efforts to strengthen and enforce responsible service of alcohol. PMID- 29218752 TI - Addressing the needs of first-time fathers in Tasmania: A qualitative study of father-only antenatal groups. AB - OBJECTIVE: To examine how first-time fathers in rural Tasmania experienced father only antenatal support/education groups. DESIGN: Semistructured interviews with expectant fathers were used for this study. Purposive sampling was used to recruit fathers in 2014. Participants were recruited face-to-face via email through a government health service and not-for-profit organisation that runs a state-wide fatherhood program. Several participants were recruited through a company that holds antenatal education classes for men in a pub. Data were analysed thematically. SETTING: Three rural Tasmanian areas (South, Central Coast and Northern Midlands) PARTICIPANTS: Twenty-five men from three rural areas of Tasmania, >=18 years, about to become first-time father with partner at least 20 weeks pregnant. MAIN OUTCOME MEASURE(S): Semistructured interviews explored men's experiences of father-only antenatal education groups. RESULTS: Four themes emerged from the thematic analysis: (i) motivations for attending antenatal groups; (ii) the effect of the group setting on men's experiences; (iii) masculine stereotypes in antenatal groups; and (iv) strategies to support fathers. Data show men wanted to join the groups and learn about being an involved father. They often felt uncomfortable sharing experiences in discussion based groups. They tended to prefer information-based groups which were not premised on sharing emotions. Men offered strategies to improve father-only antenatal education groups. CONCLUSION: Tasmanian antenatal education/support programs need improvement. Providing men with multiple opportunities to connect with other fathers is critical to improving support. Groups can be improved by accounting for multiple and complex constructions of masculinity, increasing the number of sessions offered and altering the structure. PMID- 29218753 TI - Neuronal responses to the scratching and caressing of one's own skin in patients with skin-picking disorder. AB - Skin-picking disorder (SPD) is a common mental disorder. The predominant symptom involves the repeated scratching and picking of one's own skin. This behavior causes severe tissue damage (sores, scars, and infections), often leading to disfigurement. Besides physical injury, SPD is associated with clinically significant distress and impairment in important areas of functioning. The neurobiological mechanisms of SPD are still poorly understood. In this study, 30 SPD patients and 31 control participants (35 women, 26 men) with a mean age of 34 years were instructed to either scratch or gently stroke a small skin area on their arms during functional magnetic resonance imaging. Gender-specific effects were revealed. In the female sample, SPD patients showed less activation in the middle frontal gyrus (MFG) and primary/secondary somatosensory cortices during caressing relative to scratching than controls. In addition, contrasting caressing with a rest condition revealed reduced activation in the somatosensory cortex (concerned with the decoding and integration of tactile information) and the MFG (attention/cognitive monitoring) in female patients. No differential brain activation was found in the male sample. This symptom provocation study hints at a reduced sensitivity of pleasant touch in women with SPD. PMID- 29218754 TI - Cutaneous leishmaniasis mimicking dactylitis in a patient with rheumatoid arthritis treated with certolizumab. PMID- 29218755 TI - Reducing Trap-Assisted Recombination in Small Organic Molecule-Based Photovoltaics by the Addition of a Conjugated Block Copolymer. AB - The performance of organic photovoltaics (OPVs) based on the small-molecule organic semiconductor p-DTS(FBTTh2 )2 is greatly improved by the addition of a conjugated block copolymer composed of difluoroquinoxaline and thienopyrrolodione blocks (D130). The power conversion efficiency (PCE) of the p-DTS(FBTTh2 )2 based OPV is improved from 5.08% to 6.75% by the addition of 5 wt% D130 to the photoactive layer, which is composed of p-DTS(FBTTh2 )2 and a fullerene derivative. Current-voltage and grazing incidence wide-angle X-ray scattering analyses revealed that the addition of D130 significantly reduces the trap density of the device and changes the packing orientation of p-DTS(FBTTh2 )2 from mostly edge-on to partially face-on. These changes greatly improve the charge carrier mobility of the OPV, indicating that D130 is highly compatible with p DTS(FBTTh2 )2 . Furthermore, the addition of D130 improve the photostability of the OPV by reducing the burn-in loss under a light soaking intensity of 1 sun. The D130-based OPV maintained 34% of its initial PCE after a light soaking test for 858 h. In contrast, the PCE of the OPV without D130 reduced to 14% of its initial efficiency in the same time period. PMID- 29218756 TI - Weight Suppression But Not Symptom Improvement Predicts Weight Gain During Inpatient Treatment for Bulimia Nervosa. AB - OBJECTIVE: Fear of gaining weight is a common obstacle to seeking treatment for bulimia nervosa (BN). We investigated changes in body mass index (BMI) during inpatient treatment for BN in relation to treatment outcome and weight suppression (WS). METHODS: Female inpatients of a specialized eating disorders clinic were grouped as deteriorated/unchanged, reliably improved, and clinically significantly improved based on Eating Disorder Inventory-2 scores. Repeated measures ANOVA was employed to examine changes in BMI between admission and discharge depending on treatment outcome and WS. RESULTS: One-hundred seventy nine patients were included. Overall, the average BMI significantly increased by 0.54 kg/m2 (SD = 1.24). Repeated measures ANOVA revealed no association of change in BMI with treatment outcome [F(df) = 1.13 (2166), p = 0.327] but with WS [F(df) = 2.76 (3166), p < 0.044]. DISCUSSION: Bulimia nervosa can be successfully treated without causing excessive weight gain. Patients with higher WS might expect somewhat more weight gain. Copyright (c) 2017 John Wiley & Sons, Ltd and Eating Disorders Association. PMID- 29218757 TI - Local and global anatomy of antibody-protein antigen recognition. AB - Deciphering antibody-protein antigen recognition is of fundamental and practical significance. We constructed an antibody structural dataset, partitioned it into human and murine subgroups, and compared it with nonantibody protein-protein complexes. We investigated the physicochemical properties of regions on and away from the antibody-antigen interfaces, including net charge, overall antibody charge distributions, and their potential role in antigen interaction. We observed that amino acid preference in antibody-protein antigen recognition is entropy driven, with residues having low side-chain entropy appearing to compensate for the high backbone entropy in interaction with protein antigens. Antibodies prefer charged and polar antigen residues and bridging water molecules. They also prefer positive net charge, presumably to promote interaction with negatively charged protein antigens, which are common in proteomes. Antibody-antigen interfaces have large percentages of Tyr, Ser, and Asp, but little Lys. Electrostatic and hydrophobic interactions in the Ag binding sites might be coupled with Fab domains through organized charge and residue distributions away from the binding interfaces. Here we describe some features of antibody-antigen interfaces and of Fab domains as compared with nonantibody protein-protein interactions. The distributions of interface residues in human and murine antibodies do not differ significantly. Overall, our results provide not only a local but also a global anatomy of antibody structures. PMID- 29218758 TI - First evidence of bacterial translocation from the intestinal tract as a route of Helicobacter cinaedi bacteremia. AB - BACKGROUND: The route of Helicobacter cinaedi bacteremia has not yet been clarified. Although bacterial translocation from the intestinal tract into the circulation has been suggested, it has not been demonstrated thus far. The objective of this study was to investigate the port of entry of this bacterium. MATERIAL AND METHODS: We conducted a retrospective study on patients with H. cinaedi bacteremia between March 2009 and May 2013. Records of patients in whom H. cinaedi was detected in both blood and stool cultures were extracted. H. cinaedi was identified using gyrB-targeted PCR. Pulse-field gel electrophoresis was used to investigate the consistency of the genotypes. RESULTS: Seventy-one patients were diagnosed with H. cinaedi bacteremia during the study period. H. cinaedi was detected in both blood and stool samples of 21 patients. Pulse-field gel electrophoresis was used to investigate the consistency of the genotypes in 18 evaluable strains (from 9 patients). The pulse-field gel electrophoresis patterns of the stool- and blood-derived strains of H. cinaedi were consistent among all 9 patients. Most of the 9 patients analyzed were immunocompromised and being treated with anticancer drugs or steroids, which suggests reduced intestinal immunity. CONCLUSIONS: This is the first study to demonstrate that bacterial translocation from the intestinal tract could represent one route of H. cinaedi bacteremia. PMID- 29218759 TI - Impact of pain and functional impairment in US adults with haemophilia: Patient reported outcomes and musculoskeletal evaluation in the pain, functional impairment and quality of life (P-FiQ) study. AB - INTRODUCTION: Standardized and disease-specific patient-reported outcome (PRO) instruments assessing pain, functional impairment and health-related quality of life (HRQoL) in people with haemophilia (PWH) have been used in studies, but infrequently in comprehensive care settings for individual assessment or treatment planning. AIM: To assess the impact of pain and functional impairment on HRQoL in PWH. METHODS: P-FiQ enrolled 381 adult PWH with a history of joint pain/bleeding and included 5 PROs and a clinical joint evaluation (Hemophilia Joint Health Score v2.1 [HJHS]). RESULTS: Median age was 34 years; 49.9% reported a history of joint procedure or surgery. On EQ-5D-5L, most reported problems with mobility (61.4%), usual activities (53.2%) and pain/discomfort (76.1%). On Brief Pain Inventory v2 Short Form, median worst pain (range 0-10) was 6, least pain 1, average pain 3 and current pain 2. Ankles were most frequently reported as the most painful joints (37.4%), followed by knees (23.7%) and elbows (18.9%). On International Physical Activity Questionnaire, 51% reported no activity in the prior week. On SF-36v2 health survey, median subscores were worse for 4 physical health domains vs 4 mental health domains. Among Hemophilia Activities List domains (range 0 [worst]-100 [best]), functions of the legs (median, 66.7) and lying/sitting/kneeling/standing (median, 67.5) were most impacted and self-care least impacted (median, 100.0). On HJHS, ankle scores (median, 6.0; range, 0-40) were worse than elbow/knee scores (median, 4.0/4.0). Results were consistent across PROs/HJHS. CONCLUSION: Data demonstrate challenges of predominantly ankle/knee pain and lower extremity functional impairment in US adult PWH, affecting HRQoL across PROs/HJHS. PMID- 29218761 TI - Naturalistic Outcome of Family-Based Inpatient Treatment for Adolescents with Anorexia Nervosa. AB - BACKGROUND: Outpatient family-based treatment (FBT) is the best-documented treatment for adolescent anorexia nervosa (AN), but research is scarce on FBT adapted to inpatient settings. AIM: The naturalistic outcome of inpatient FBT for adolescent AN was investigated. METHODS: Thirty-seven (65%) of 57 patients who received inpatient FBT at a tertiary adolescent eating disorders (ED) unit participated in a follow-up interview (mean 4.5 +/- 1.8, range 1-7 years) that assessed ED symptoms and general psychological functioning. RESULTS: A majority (65%) had achieved a normal body weight (body mass index >=18.5). Thirty-six per cent (n = 12) were classified as fully recovered, as defined by body mass index >=18.5, ED Examination Questionnaire global <=2.5, and no binge eating/purging over past 3 months. Sixteen (43%) participants met criteria for one or more additional comorbid disorders. CONCLUSION: Inpatient family-based therapy for AN may be a promising therapeutic approach for adolescents that fail to respond to outpatient treatment and should be investigated further. Copyright (c) 2017 John Wiley & Sons, Ltd and Eating Disorders Association. PMID- 29218760 TI - A systematic review of immunosuppressant adherence interventions in transplant recipients: Decoding the streetlight effect. AB - Non-adherence to immunosuppressant medications is an important risk factor for graft dysfunction. To evaluate the effectiveness of adherence-enhancing interventions, we reviewed adherence intervention studies in solid organ transplant recipients (all ages). Using the following databases: PsycINFO, PubMed, Scopus, and ScienceDirect, we identified 41 eligible studies. Only three non-randomized trials showed a possible positive effect on objective indicators of transplant outcomes (such as rejection, liver enzyme levels, kidney function). None of the 21 RCTs showed an improvement in transplant outcomes. Three studies showed a higher rate of adverse events in the intervention group as compared with controls, although this may be related to ascertainment bias. Improvement in adherence as measured indirectly (eg, with electronic monitoring devices) was not aligned with effects on transplant outcomes. We conclude that adherence interventions, to date, have largely been ineffective in improving transplant outcomes. To improve this track record, intervention efforts may wish to concentrate on non-adherent patients (rather than use convenience sampling, which excludes many of the patients who need the intervention), use direct measures of adherence to guide the interventions, and employ strategies that are intensive and yet engaging enough to ensure that non-adherent patients are able to participate. PMID- 29218762 TI - Comparison of paired and single clinical placement models: a time-use analysis. AB - BACKGROUND: To meet rising clinical placement demand caused by increasing health student numbers, the use of paired (two students) rather than single (one student) placement models has been proposed. There is, however, limited research available to inform placement providers about the relative effects of both models on healthcare services, including patient- and non-patient-related activities and patient occasions of service. AIMS: To investigate a key clinical question: Does clinical educator (supervisor) and student time use differ during paired placements compared with single placements? Also to examine the satisfaction levels of clinical educators (CEs) and students with paired and single clinical placement models. METHODS & PROCEDURES: Queensland Health speech and language therapists (N = 44) and speech and language therapy students (N = 32) involved in paired or single clinical placements were recruited for this study. CEs and students completed time-use surveys for 3 days after the midpoint of placements; CEs also completed surveys for 3 matched days during a non-placement period 3 weeks or more following placements for comparative purposes. CEs and students additionally completed a satisfaction survey at the end of placements. Paired and single CE and student groups were compared for differences in their time-use and satisfaction levels using non-parametric statistics. OUTCOMES & RESULTS: The placement model did not impact on occasions of service provided by CEs (p = 0.931) or students (p = 0.776). It also had no effect on the percentage of time CEs or students engaged in patient-related activities (p = 0.577; 0.291) and non patient-related activities (p = 0.559; 0.177). On clinical placement days, CEs spent a median 10 minutes longer at work regardless of whether or not it was a paired or single placement, compared with non-placement days (p = 0.107). CEs and students who had been involved in a paired placement reported the same high levels of placement satisfaction (various measures) as those who had been involved in a single placement. CONCLUSIONS & IMPLICATIONS: The paired-placement model has the potential to increase student placement offers without negatively impacting on clinical service provision including occasions of service, patient or non-patient-related activities, or overall CE time spent at work. PMID- 29218763 TI - Single-Cell Mass Spectrometry Approaches to Explore Cellular Heterogeneity. AB - Compositional diversity is a fundamental property in cell populations. Single cell analysis promises new insight into this cellular heterogeneity on the genomic, transcriptomic, proteomic, and metabolomic levels. Mass spectrometry (MS) is a label-free technique that enables the multiplexed analysis of proteins, peptides, lipids, and metabolites in individual cells. The abundances of these molecular classes are correlated with the physiological states and environmental responses of the cells. In this Minireview, we discuss recent advances in single cell MS techniques with an emphasis on sampling and ionization methods developed for volume-limited samples. Strategies for sample treatment, separation methods, and data analysis require special considerations for single cells. Ongoing analytical challenges include subcellular heterogeneity, non-normal statistical distributions of cellular properties, and the need for high-throughput, high molecular coverage and minimal perturbation. PMID- 29218764 TI - UK Dermatology specialist trainee career intentions. PMID- 29218765 TI - Deregulation of autophagy in postmortem brains of Machado-Joseph disease patients. AB - Autophagy, the major pathway for protein turnover, is critical to maintain cellular homeostasis and has been implicated in neurodegenerative diseases. The aim of this research was to analyze the expression of autophagy markers in postmortem brains from Machado-Joseph disease (MJD) patients. The expression of autophagy markers in the cerebellum and the oculomotor nucleus from MJD patients and age-matched controls with no signs of neuropathology was inspected postmortem by immunohistochemistry (IHC) and Western blot. Furthermore, autophagy was examined by means of transmission electron microscopy (TEM). Western blot and IHC revealed nuclear accumulation of misfolded ataxin-3 (ATXN3) and the presence of ubiquitin- and p62-positive aggregates in MJD patients as compared to controls. Moreover, the autophagic proteins, autophagy-related gene (Atg) protein (ATG)-7, ATG-12, ATG16L2 and autophagosomal microtubule-associated protein light chain 3 (LC3) were significantly increased in MJD brains relative to controls, while beclin-1 levels were reduced in MJD patients. Increase in the levels of lysosomal associated membrane protein 2 (LAMP-2) and of the endosomal markers (Rab7 and Rab1A) were observed in MJD patients relatively to controls. In addition, these findings were further confirmed by TEM in brain tissue where large vesicles accumulating electron-dense materials were highly enriched in MJD patients. Postmortem brains with MJD exhibit increased markers of autophagy relative to age matched control brains, therefore suggesting strong dysregulation of autophagy that may have an important role in the course of MJD pathogenesis. PMID- 29218766 TI - Risk of recurrent severe hypoglycemia remains associated with a past history of severe hypoglycemia up to 4 years: Results from a large prospective contemporary pediatric cohort of the DPV initiative. AB - OBJECTIVES: In a contemporary cohort of youth with type 1 diabetes, we examined the interval between episodes of severe hypoglycemia (SH) as a risk factor for recurrent SH or hypoglycemic coma (HC). METHODS: This was a large longitudinal observational study. Using the DPV Diabetes Prospective follow-up data, we analyzed frequency and timing of recurrent SH (defined as requiring assistance from another person) and HC (loss of consciousness or seizures) in 14 177 youths with type 1 diabetes aged <20 years and at least 5 years of follow-up. RESULTS: Among 14 177 patients with type 1 diabetes, 72% (90%) had no, 14% (6.8%) had 1 and 14% (3.2%) >1 SH (HC). SH or HC in the last year of observation was highest with SH in the previous year (odds ratio [OR] 4.7 [CI 4.0-5.5]/4.6 [CI 3.6-6.0]), but remained elevated even 4 years after an episode (OR 2.0 [CI 1.6-2.7]/2.2 [CI 1.5-3.1]). The proportion of patients who experienced SH or HC during the last year of observation was highest with SH/HC recorded during the previous year (23% for SH and 13% for HC) and lowest in those with no event (4.6% for SH and 2% for HC) in the initial 4 years of observation. CONCLUSIONS: Even 4 years after an episode of SH/HC, risk for SH/HC remains higher compared to children who never experienced SH/HC. Clinicians should continue to regularly track hypoglycemia history at every visit, adjust diabetes education and therapy in order to avoid recurrences. PMID- 29218767 TI - Maternal communicative behaviours and interaction quality as predictors of language development: findings from a community-based study of slow-to-talk toddlers. AB - BACKGROUND: Identifying risk and protective factors for language development informs interventions for children with developmental language disorder (DLD). Maternal responsive and intrusive communicative behaviours are associated with language development. Mother-child interaction quality may influence how children use these behaviours in language learning. AIMS: To identify (1) communicative behaviours and interaction quality associated with language outcomes; (2) whether the association between a maternal intrusive behaviour (directive) and child language scores changed alongside a maternal responsive behaviour (expansion); and (3) whether interaction quality modified these associations. METHODS & PROCEDURES: Language skills were assessed at 24, 36 and 48 months in 197 community-recruited children who were slow to talk at 18 months. Mothers and 24 month-olds were video-recorded playing at home. Maternal praise, missed opportunities, and successful and unsuccessful directives (i.e., whether followed by the child) were coded during a 10-min segment. Interaction quality was rated using a seven-point fluency and connectedness (FC) scale, during a 5-min segment. Linear regressions examined associations between these behaviours/rating and language scores. Interaction analysis and simple slopes explored effect modification by FC. OUTCOMES & RESULTS: There was no evidence that missed opportunities or praise were associated with language scores. Higher rates of successful directives in the unadjusted model and unsuccessful directives in the adjusted model were associated with lower 24-month-old receptive language scores (e.g., unsuccessful directives effect size (ES) = -0.41). The association between unsuccessful directives and receptive language was weaker when adjusting for co occurring expansions (ES = -0.34). Both types of directives were associated with poorer receptive and expressive language scores in adjusted models at 36 and 48 months (e.g., unsuccessful directive and 48-month receptive language, ES = 0.66). FC was positively associated with 24-, 36- and 48-month language scores in adjusted models (e.g., receptive language at 24 months, ES = 0.21, at 48 months, ES = 0.18). Interaction analysis showed the negative association between successful directives and 24-month receptive language existed primarily in poorly connected dyads with low FC levels. CONCLUSIONS & IMPLICATIONS: These findings illustrate the effects of the combined interaction between different maternal communicative behaviours and features of the interaction itself on child language development, and the need to consider both in research and practice. Whilst more intrusive directives were associated with poorer language scores, this association attenuated when adjusting for co-occurring responsive expansions, and the association was strongest for children in lower quality interactions. This work may inform clinical practice by helping clinicians target the most appropriate communicative behaviours for specific mother-child dyads. PMID- 29218768 TI - Relationships between serum brain-derived neurotrophic factor concentration and parameters for health scores in community-dwelling older adults. AB - AIM: Brain-derived neurotrophic factor (BDNF) have been implicated in the progression of neuronal survival, phenotyping differentiation and maintenance of various neurons, as well as neurogenesis. We studied how BDNF affects health parameters of older adults by carrying out a health examination of community dwelling older adults. METHODS: We measured the serum BDNF concentration of 898 older adults aged 65-84 years who participated in regional health examinations in the Tokyo area and also measured various parameters, such as the thickness of the quadriceps femoris, percentage of body fat, body mass index, grip strength, frequency of walking, and use of sleeping drugs and steroidal anti-inflammatory drugs. RESULTS: We obtained significant relationships between serum BDNF values and thickness of the quadriceps muscle, body mass index or percentage of body fat. Individuals holding onto something when they stood up had lower serum BDNF values than individuals not holding onto something when they stood up. Smokers had higher serum BDNF values than non-smokers. CONCLUSIONS: Older adults who had higher serum BDNF had bigger quadriceps muscles, higher body mass index and higher body fat rate, and were also able to stand up without holding onto something from a sitting position. Geriatr Gerontol Int 2018; 18: 456-461. PMID- 29218769 TI - Current status on the development of pseudoviruses for enveloped viruses. AB - Emerging and reemerging infectious diseases have a strong negative impact on public health. However, because many of these pathogens must be handled in biosafety level, 3 or 4 containment laboratories, research and development of antivirals or vaccines against these diseases are often impeded. Alternative approaches to address this issue have been vigorously pursued, particularly the use of pseudoviruses in place of wild-type viruses. As pseudoviruses have been deprived of certain gene sequences of the virulent virus, they can be handled in biosafety level 2 laboratories. Importantly, the envelopes of these viral particles may have similar conformational structures to those of the wild-type viruses, making it feasible to conduct mechanistic investigation on viral entry and to evaluate potential neutralizing antibodies. However, a variety of challenging issues remain, including the production of a sufficient pseudovirus yield and the inability to produce an appropriate pseudotype of certain viruses. This review discusses current progress in the development of pseudoviruses and dissects the factors that contribute to low viral yields. PMID- 29218770 TI - Older Korean adults have lower physical function despite longer exercise times compared to their Japanese counterparts: A Japan-Korea comparative study. AB - AIM: We aimed to compare the level of physical function (PF) and habitual exercise between older Japanese and Korean adults. METHODS: A comparative study was carried out on 1069 community-dwelling older Japanese and Korean adults (mean age 73.9 +/- 5.2 years). The participants were asked to complete a self-reported questionnaire regarding habitual exercise and covariates. PF age, a composite measure of PF, was derived from the 12 items, using principal component analysis. PF age and habitual exercise were compared between the Japanese and Korean adults, using analysis of covariance (ancova) and multivariable logistic regression analysis adjusted for all covariates using propensity scores. RESULTS: ancova showed that PF age in older Japanese adults was significantly younger than in their Korean counterparts. Older Japanese adults exercised significantly less frequently than their Korean counterparts. Furthermore, older Japanese adults practiced significantly less walking, mountain climbing and bicycling, but more calisthenics, resistance training, ball games and dances than their Korean counterparts. CONCLUSIONS: We found that older Korean adults had lower PF (3.7 years older in PF age) than their Japanese counterparts. Although the overall frequency and amount of habitual exercise in older Korean adults were higher than those in their Japanese counterparts, particular types of exercise might have contributed to the higher PF levels among older Japanese adults. Thus, older Korean adults might need to engage more in habitual exercises that are specifically effective in maintaining PF. Geriatr Gerontol Int 2018; 18: 576-583. PMID- 29218771 TI - Menopause-Related Appendicular Bone Loss is Mainly Cortical and Results in Increased Cortical Porosity. AB - After menopause, remodeling becomes unbalanced and rapid. Each of the many remodeling transactions deposits less bone than it resorbed, producing microstructural deterioration. Trabecular bone is said to be lost more rapidly than cortical bone. However, because 80% of the skeleton is cortical, we hypothesized that most menopause-related bone loss and changes in bone microstructure are cortical, not trabecular in origin, and are the result of intracortical remodeling. Distal tibial and distal radial microstructure were quantified during 3.1 years (range, 1.5 to 4.5 years) of follow-up using high resolution peripheral quantitative computed tomography and StrAx software in 199 monozygotic and 125 dizygotic twin pairs aged 25 to 75 years in Melbourne, Australia. The annual increases in tibial cortical porosity accelerated, being 0.44%, 0.80%, and 1.40% in women remaining premenopausal, transitioning to perimenopause, and from perimenopausal to postmenopause, respectively. Porosity increased in the compact-appearing, outer, and inner transitional zones of the cortex (all p < 0.001). The annual decrease in trabecular bone volume/tissue volume (BV/TV) also accelerated, being 0.17%, 0.26%, and 0.31%, respectively. Little bone loss was observed before menopause. The reduction in BV/TV was due to a decrease in trabecular number (p < 0.001). The greatest bone loss, 7.7 mg hydroxyapatite (HA) annually, occurred in women transitioning from perimenopausal to postmenopause and of this, 6.1 mg HA (80%) was cortical. Results were similar for the distal radius. Despite microarchitectural changes, no significant bone loss was observed before menopause. Over 90% of appendicular bone loss occurs during and after menopause, over 80% is cortical, and this may explain why 80% of fractures are appendicular. (c) 2017 American Society for Bone and Mineral Research. PMID- 29218772 TI - Signals for identifying cows at risk of subacute ruminal acidosis in dairy veterinary practice. AB - Controlling rumen disorders is critical to ensure successful dairy herd health management. Lactation diets of dairy cows are commonly rich in concentrates and low in physically effective fibre. Feeding of these diets increases the risk of rumen disorders with far-reaching consequences for cattle health, welfare and sustainability of dairy production. The term subacute ruminal acidosis or SARA is often used as a synonym for poor rumen health. Being subclinical, SARA lacks of clear symptoms and is therefore difficult to diagnose and to control in the practice. This review article summarises common and identifies new direct and indirect cow signals related to SARA. We have performed a scientific evaluation and interpretation of each of these cow signals by highlighting their advantages and disadvantages from the practitioner's point of view. The gold standard of SARA cow signals still remains direct measurement of ruminal pH. However, continuous pH monitoring is cost-intensive and often biased by sensor drift. Single-point ruminal pH measurements by oral stomach tubing or rumenocentesis have strong limitations. Therefore, there is a need for reliable and robust markers of SARA that are easily accessible and inexpensive. Such indirect parameters are the observation of chewing and feeding activities, as well as the monitoring of milk, faecal, urine and blood variables. Also, novel technologies that allow rapid and non-invasive measurement of the rumen mucosa thickness and ruminal motility patterns might provide advantages in SARA diagnosis. Due to several constraints of these indirect diagnostic tools, such as limited specificity and sensitivity, we strongly recommend using a combination of the signals to reliably identify cows at risk of SARA in a dairy herd. PMID- 29218774 TI - Impact of anti-infective periodontal therapy on parameters of vascular health. AB - AIM: This study assessed the impact of anti-infective periodontal therapy on the status of vascular health. MATERIALS AND METHODS: Periodontal and vascular health of 55 patients with severe untreated chronic periodontitis was evaluated before and 12 months after anti-infective periodontal therapy. Observed parameters were bleeding on probing (BoP), pocket probing depth (PPD), periodontal inflamed surface area index (PISA), pulse wave velocity (PWV), augmentation index (AIx), central pulse pressure (PPao) and peripheral systolic pressure (RRsys). RESULTS: DeltaPISA (baseline-12 months) correlated with DeltaPWV (tau 0.21; p < .03), DeltaAIx (tau 0.29; p < .002) and DeltaPPao (tau 0.23; p < .02). DeltaBoP% (baseline-12 months) correlated with DeltaPWV (tau 0.18; p < .05) and DeltaAIx (tau 0.25; p < .01), while mean DeltaPPD (baseline-12 months) correlated with DeltaPWV (tau 0.24; p < .01) and DeltaAIx (tau 0.21; p < .03). Grouping patients evenly into three groups based on tertiles of BoP resolution after 12 months revealed a significant decrease in the observed PWV median value by -0.6 m/s (p < .04) in the best response tertile (DeltaBoP >= 88%). In the worst response tertile (DeltaBoP <= 66%), by contrast, significant increase in PPao (+10.5 mmHg; p < .02) and AIx (+5.5; p < .02) was observed. CONCLUSION: Efficacious resolution of periodontal inflammation may beneficially impact on vascular health. PMID- 29218775 TI - Comparative proteomic analysis of silver nanoparticle effects in human liver and intestinal cells. AB - Consumers are orally exposed to nanoparticulate or soluble species of the non essential element silver due to its use in food contact materials or as a food additive. Potential toxicity of silver nanoparticles has gained special scientific attention. A fraction of ingested ionic or particulate silver is taken up in the intestine and transported to the liver, where it may induce oxidative stress and elicit subsequent adverse responses. Here, we present a comprehensive analysis of global proteomic changes induced in human Hep G2 hepatocarcinoma cells by different concentrations of AgPURE silver nanoparticles or by corresponding concentrations of ionic silver. Bioinformatic analysis of proteomic data confirms and substantiates previous findings on silver-induced alterations related to redox stress, mitochondrial dysfunction, intermediary metabolism, inflammatory responses, posttranslational protein modification and other cellular parameters. Similarities between the effects exerted by the two silver species are in line with the assumption that silver ions released from nanoparticles substantially contribute to their toxicity. Moreover, a comparative bioinformatic evaluation of proteomic effects in hepatic and intestinal cells exerted either by silver nanoparticles or bionic silver is presented. Our results show that, despite remarkable differences at the level of affected proteins in the different cell lines, highly similar biological consequences, corresponding to previous in vivo findings, can be deduced by applying appropriate bioinformatic data mining. PMID- 29218773 TI - Illness and end-of-life experiences of children with cancer who receive palliative care. AB - BACKGROUND: The field of pediatric palliative oncology is newly emerging. Little is known about the characteristics and illness experiences of children with cancer who receive palliative care (PC). METHODS: A retrospective cohort study of 321 pediatric oncology patients enrolled in PC who died between 2011 and 2015 was conducted at a large academic pediatric cancer center using a comprehensive standardized data extraction tool. RESULTS: The majority of pediatric palliative oncology patients received experimental therapy (79.4%), with 40.5% enrolled on a phase I trial. Approximately one-third received cancer-directed therapy during the last month of life (35.5%). More than half had at least one intensive care unit hospitalization (51.4%), with this subset demonstrating considerable exposure to mechanical ventilation (44.8%), invasive procedures (20%), and cardiopulmonary resuscitation (12.1%). Of the 122 patients who died in the hospital, 44.3% died in the intensive care unit. Patients with late PC involvement occurring less than 30 days before death had higher odds of dying in the intensive care unit over the home/hospice setting compared to those with earlier PC involvement (OR: 4.7, 95% CI: 2.47-8.97, P < 0.0001). CONCLUSIONS: Children with cancer who receive PC experience a high burden of intensive treatments and often die in inpatient intensive care settings. Delayed PC involvement is associated with increased odds of dying in the intensive care unit. Prospective investigation of early PC involvement in children with high risk cancer is needed to better understand potential impacts on cost effectiveness, quality of life, and delivery of goal concordant care. PMID- 29218776 TI - Is the consumption of snail meat actually healthy? An analysis of the osteotropic influence of snail meat as a sole source of protein in growing rats. AB - The study was aimed at determining the osteotropic effects of diets containing snail meat as a sole protein source. In our experiment, we tested three different diets incorporating snail meat originating from Helix pomatia (HP), Cornu.aspesa maxima (CAM) and Cornu.aspersum aspersum (CAA) and compared these to a control diet (CON) in which casein was the source of protein. In all diets, the protein content amounted to 10%, as calculated on a dry weight basis. In the study, forty male Wistar rats with an initial body mass of 50 +/- 2 g were randomly placed within the control and three experimental groups. After 28 days of experimental feeding, the rats were sacrificed, and the body mass, total skeletal density and body composition were recorded. Moreover, blood serum (osteocalcin, CTX) and isolated tibia (pQCT, DXA, 3D micro-CT, 3-point bending test) were stored for further analysis. The results reveal that a diet incorporating snail meat significantly decreased BMC (bone mineral content), as well as area of total skeleton and isolated tibia, and was without influence on BMD (bone mineral density). Furthermore, the 3D micro-CT analysis of trabecular compartment documented a reduced Tb.Th (trabecular thickness), as well as Tb.N (trabecular number), and an increased Tb.Sp (trabecular separation). Beyond the aforementioned, the snail-based diets had an influence upon the architectonical properties of the tibia-decreasing its resistance to mechanical loading. Finally, snail meat, when used as an alone source of protein, negatively influenced the metabolism of the bone tissue in growing animals-making bone smaller and weaker. PMID- 29218777 TI - Decision making in pediatric hematopoietic cell transplantation: Influential factors vary among diseases. AB - Hematopoietic cell transplantation (HCT) is not a trivial treatment decision in pediatrics. We sought to understand what influences this decision-making process from the perspectives of the pediatric patients, their family, and physicians. Using integrative review methods, we identified 19 relevant studies: six qualitative, ten quantitative, and three mixed methods. Synthesis of the results revealed six themes describing patient, family, and provider decision-making processes with distinct subthemes contrasting influential factors among malignant and nonmalignant diseases. Identification of what influences HCT decision making will aid in development of decision support, education, and communication strategies. The child/adolescent voice and provider perspective warrant more attention. PMID- 29218778 TI - Examination of sacral tissue oxygen saturation among immobile patients. AB - AIMS AND OBJECTIVES: To explore the effect of immobility on sacral tissue oxygen saturation in patients lying on a supporting surface in supine position. BACKGROUND: Guidelines in regard to preventing pressure ulcers recommend that patients lying on a standard bed should change their positions every 2 hr and that patients on a supporting surface should change their positions every 4 hr. But there is no strong evidence that justifies this practice. DESIGN: Quasi experimental. METHODS: Data for the research were collected over the period October 2014-March 2015 at Anesthesiology and Reanimation and Neurosurgery Clinic Intensive Care Units. A total of 46 patients matching the research criteria were left in the supine position for 4 hr without having a position change, during which time sacral tissue oxygen saturation was measured every hour on the hour. Sacral tissue oxygen saturation was measured with the InSpectra Tissue Oxygenation Monitor. RESULTS: Mean sacral tissue oxygen saturation was 73.4% at baseline and was then measured as 74.9% at the first hour, 72.3% at the second hour, 71.9% at the third hour and 71.9% at the fourth hour. The changes observed between measuring times were not found to be statistically significant (p = .09). CONCLUSIONS: No statistically significant differences were found between sacral tissue oxygen saturation values recorded over a period of 4 hr in immobile patients lying on a supporting surface in the supine position. However, it was observed that sacral tissue oxygen saturation values did not change significantly depending upon the type of supporting surface that was being used. RELEVANCE TO CLINICAL PRACTICE: The study outcome supports changing the position of a patient lying on a supporting surface every 4 hr and provides evidence that justifies the recommendation made in the guidelines. PMID- 29218779 TI - Association between global functioning at first schizophrenia diagnosis and treatment resistance. AB - AIM: Several factors such as age, gender, urbanicity and clinical treatment setting have been associated with treatment-resistant schizophrenia (TRS). We examined the association between the Global Assessment of Functioning (social Functioning [GAF-F]) score at first schizophrenia diagnosis and TRS and explored whether level of functioning could partially explain the known associations. METHODS: A nationwide population-based cohort study among individuals, who had a GAF-F score at first schizophrenia diagnosis. We used adjusted Cox regression analysis to calculate hazard ratios (HRs). RESULTS: Among 3252 individuals, severe functional impairment (GAF-F <= 30) was associated with TRS within 2 years after diagnosis (adjusted HR = 1.38 [95% confidence interval: 1.03-1.87). GAF-F had virtually no impact on the associations between investigated known risk factors and TRS. CONCLUSIONS: GAF-F was independently associated with TRS. Consideration of a global functioning score may help clinicians to detect treatment resistance earlier among individuals with schizophrenia. PMID- 29218780 TI - Undertreatment of hypertension and hypercholesterolaemia in children and adolescents with type 1 diabetes: long-term follow-up on time trends in the occurrence of cardiovascular disease, risk factors and medications use. AB - AIMS: The aims of the present study were, firstly, to evaluate long-term trends in the occurrence and treatment of cardiovascular disease (CVD) risk factors and the occurrence of CVD events in children with type 1 diabetes mellitus (T1DM) and, secondly, to assess the determinants of undertreatment of CVD risk factors. METHODS: A retrospective cohort study was conducted in 3728 children (<19 years of age) with T1DM and up to 5 age- and gender-matched diabetes-free children (reference cohort) (n = 18 513) using data from the Clinical Practice Research Datalink (CPRD). RESULTS: Compared with diabetes-free subjects, children with T1DM had significantly higher annual prevalence rates of CVD risk factors and cardiovascular (CV) medication use 20 years after the onset of diabetes (index date): hypertension: 35.2% vs. 11.4%, P < 0.001; hypercholesterolaemia: 66.7% vs. 7.14%, P < 0.001; and CV medication use: 37.0% vs. 3.6%, P < 0.001. The significant differences between prevalence rates in the two cohorts started from 1 year before the index date. Furthermore, 50% of the children in the T1DM cohort with hypertension and 53% with hypercholesterolaemia remained untreated with CV drugs for a period of 2-5 years during the 20-year follow-up. Age was the only determinant associated with undertreated hypertension in the T1DM cohort. CONCLUSIONS: Children with T1DM had substantially higher prevalence rates of hypertension and hypercholesterolaemia from 1 year before up to 20 years after the onset of diabetes compared with nondiabetics. There is a substantial undertreatment of CVD risk factors with CV drugs. In children with T1DM, screening for CVD risk factors and adequate treatment are of the utmost importance to prevent CVD later in life. PMID- 29218781 TI - In vitro invasion capacity of Salmonella Typhimurium DT9 isolates sourced from humans and layer hen environments. AB - In Australia, Salmonella Typhimurium definitive type 9 is frequently isolated during foodborne outbreaks of salmonellosis. Multiple-locus variable number tandem repeat analysis (MLVA) trace back investigations frequently identify isolate distribution patterns that may be epidemiologically linked to disease outbreaks. In this study, the in vitro virulence potential of S. Typhimurium DT9 isolates possessing different MLVA patterns (03 15 07 11 550, 03 24 11 10 523, 03 15 08 11 550 and 03 14 08 11 550) isolated from either humans or layer hens was assessed using a human colon carcinoma cell line. Four strains per MLVA from each host for a total of 32 isolates were included in these experiments. Bacteria were grown to stationary phase and added to cells at a multiplicity of infection of 100. Across all isolates, mean percent recovery ranged from 7.1 +/- 1.1 to 33.3 +/- 7.1%. The layer hen isolate, KC900 (MLVA profile 03 15 08 11 550), exhibited the greatest invasion with a mean percent recovery of 33.3 +/- 7.1%. Overall, layer hen isolates of S. Typhimurium DT9 had significantly higher invasion into Caco2 cells than human isolates (p = .0021). RAPD and enterobacterial repetitive intergenic consensus genomic fingerprinting was also performed. Irrespective of source, the SalmonellaDT9 isolates included in this study exhibited similar fingerprint patterns. PMID- 29218783 TI - Magnetic iron oxide nanoparticles (MIONs) cross-linked natural polymer-based hybrid gel beads: Controlled nano anti-TB drug delivery application. AB - The nanosized rifampicin (RIF) has been prepared to increase the solubility in aqueous solution, which leads to remarkable enhancement of its bioavailability and their convenient delivery system studied by newly produced nontoxic, biodegradable magnetic iron oxide nanoparticles (MIONs) cross-linked polyethylene glycol hybrid chitosan (mCS-PEG) gel beads. The functionalization of both nano RIF and mCS-PEG gel beads were studied using various spectroscopic and microscopic techniques. The size of prepared nano RIF was found to be 70.20 +/- 3.50 nm. The mechanical stability and swelling ratio of the magnetic gel beads increased by the addition of PEG with a maximum swelling ratio of 38.67 +/- 0.29 g/g. Interestingly, this magnetic gel bead has dual responsive assets in the nano drug delivery application (pH and the magnetic field). As we expected, magnetic gel beads show higher nano drug releasing efficacy at acidic medium (pH = 5.0) with maximum efficiency of 71.00 +/- 0.87%. This efficacy may also be tuned by altering the external magnetic field and the weight percentage (wt%) of PEG. These results suggest that such a dual responsive magnetic gel beads can be used as a potential system in the nano drug delivery applications. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1039-1050, 2018. PMID- 29218784 TI - Intraspecific genetic structure, divergence and high rates of clonality in an amphi-Atlantic starfish. AB - Intraspecific genetic diversity and divergence have a large influence on the adaption and evolutionary potential of species. The widely distributed starfish, Coscinasterias tenuispina, combines sexual reproduction with asexual reproduction via fission. Here we analyse the phylogeography of this starfish to reveal historical and contemporary processes driving its intraspecific genetic divergence. We further consider whether asexual reproduction is the most important method of propagation throughout the distribution range of this species. Our study included 326 individuals from 16 populations, covering most of the species' distribution range. A total of 12 nuclear microsatellite loci and sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene were analysed. COI and microsatellites were clustered in two isolated lineages: one found along the southwestern Atlantic and the other along the northeastern Atlantic and Mediterranean Sea. This suggests the existence of two different evolutionary units. Marine barriers along the European coast would be responsible for population clustering: the Almeria-Oran Front that limits the entrance of migrants from the Atlantic to the Mediterranean, and the Siculo-Tunisian strait that divides the two Mediterranean basins. The presence of identical genotypes was detected in all populations, although two monoclonal populations were found in two sites where annual mean temperatures and minimum values were the lowest. Our results based on microsatellite loci showed that intrapopulation genetic diversity was significantly affected by clonality whereas it had lower effect for the global phylogeography of the species, although still some impact on populations' genetic divergence could be observed between some populations. PMID- 29218785 TI - Increased affinity of endothelial cells to NiTi using ultraviolet irradiation: An in vitro study. AB - Nickel-titanium alloy (NiTi) is one of the most popular materials used endovascularly because of its shape memory and superelasticity. The NiTi device needs to be covered by endothelial cells after being placed in the blood vessel to reduce ischemic complications. The objective of this study was to examine the impact of ultraviolet (UV) irradiation on the biocompatibility of NiTi surfaces with endothelial cells. NiTi sheets were treated with UV irradiation for 48 h and human aorta derived endothelial cells were used in this study. UV irradiation converted the NiTi surface to hydrophilic state and increased albumin adsorption. The number of endothelial cell migration, attachment, proliferation as well as their metabolic activity were significantly increased on UV treated NiTi. This study provides the first evidence of the photoactivation of NiTi surfaces by UV irradiation and demonstrates improved biocompatibility of UV-treated NiTi surfaces with vascular endothelial cells. These results suggest that UV irradiation may promote endothelialization of NiTi devices in blood vessels. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1034-1038, 2018. PMID- 29218786 TI - How fast can treatment with overdentures improve the masticatory function and OHRQoL of atrophic edentulous patients? A 1-year longitudinal clinical study. AB - OBJECTIVES: The aim of this prospective clinical study was to evaluate the masticatory function (MF) and subjective perception of patients with poor denture bearing tissue in relation to change and the time required to identify an improvement in these parameters after rehabilitation with mandibular overdentures (MO) by two narrow-diameter two-piece implants. MATERIAL AND METHODS: Twenty three edentulous patients were selected for MO installation. The masticatory function (MF) was evaluated with the masticatory performance (MP) and swallowing threshold (ST) tests. In the MP test, each volunteer was instructed to masticate a portion of Optocal (standardized artificial test food) for 40 masticatory cycles. During the swallowing threshold test, the patients were instructed to chew a new portion of Optocal cubes until they felt the desire to swallow. The MF tests were performed while complete denture (CD) wearers (baseline) and 1, 3, 6, and 12 months after MO loading. In addition, the subjective perception was assessed through the questionnaires Dental Impact on Daily Living (DIDL), Geriatric Oral Health Assessment Index (GOHAI), and Oral Health Impact Profile in Edentulous (OHIP- EDENT) at the baseline and 3, 6, and 12 months after MO loading. RESULTS: A significant improvement in masticatory function (p < .05) was observed already in the first month of loading. Three months after MO loading, a significant improvement (p < .05) was found in the subjective perception of patients. The effect size indicates that the MO had the greatest impact on the domains related to function and comfort of all questionnaires and in relation to psychosocial domain of the GOHAI. The level of patient satisfaction increased significantly after the MO loading and reached >90% satisfied patients at 12 months. CONCLUSION: The MO improved both the MF of the patient and their oral health-related quality of life and satisfaction regarding the prosthesis in a short time period. PMID- 29218782 TI - Therapy development in Huntington disease: From current strategies to emerging opportunities. AB - Huntington disease (HD) is a progressive autosomal dominant neurodegenerative disorder in which patients typically present with uncontrolled involuntary movements and subsequent cognitive decline. In 1993, a CAG trinucleotide repeat expansion in the coding region of the huntingtin (HTT) gene was identified as the cause of this disorder. This extended CAG repeat results in production of HTT protein with an expanded polyglutamine tract, leading to pathogenic HTT protein conformers that are resistant to protein turnover, culminating in cellular toxicity and neurodegeneration. Research into the mechanistic basis of HD has highlighted a role for bioenergetics abnormalities stemming from mitochondrial dysfunction, and for synaptic defects, including impaired neurotransmission and excitotoxicity. Interference with transcription regulation may underlie the mitochondrial dysfunction. Current therapies for HD are directed at treating symptoms, as there are no disease-modifying therapies. Commonly prescribed drugs for involuntary movement control include tetrabenazine, a potent and selective inhibitor of vesicular monoamine transporter 2 that depletes synaptic monoamines, and olanzapine, an atypical neuroleptic that blocks the dopamine D2 receptor. Various drugs are used to treat non-motor features. The HD therapeutic pipeline is robust, as numerous efforts are underway to identify disease-modifying treatments, with some small compounds and biological agents moving into clinical trials. Especially encouraging are dosage reduction strategies, including antisense oligonucleotides, and molecules directed at transcription dysregulation. Given the depth and breadth of current HD drug development efforts, there is reason to believe that disease-modifying therapies for HD will emerge, and this achievement will have profound implications for the entire neurotherapeutics field. PMID- 29218787 TI - Waist circumference at five common measurement sites in normal weight and overweight adults: which site is most optimal? AB - The aim of this study was to determine (i) if adults would measure their own waist circumference (WC), (ii) which WC site(s) are the most intuitive and easy to measure and (iii) if measurement accuracy and association between WC and blood pressure differs across five measurement sites. Participants (n = 198) measured their WC first with no instruction and then using visual instructions for the iliac crest, last rib, midpoint, minimal waist and umbilicus. Without instruction, men most commonly measured their WC at the umbilicus and iliac crest, while women measured their WC at the umbilicus and minimal WC. Both men and women reported the minimal waist and umbilicus to be moderately easier to self-measure compared to the other sites (P < 0.05). Prevalence of abdominal obesity varied significantly by gender and measurement site, especially for females (normal weight: 0-18%; overweight: 51-79%). Measurement site did not influence accuracy of WC self-measurement or the association between WC and blood pressure (P > 0.05). A universal WC landmark is needed. From these results, there does not appear to be a clear clinical advantage in terms of blood pressure or practical advantage of measuring one WC site over another. However, the umbilicus may be the most intuitive and easy to measure. PMID- 29218788 TI - Alternative Solutions to a Language Design Problem: The Role of Adjectives and Gender Marking in Efficient Communication. AB - A central goal of typological research is to characterize linguistic features in terms of both their functional role and their fit to social and cognitive systems. One long-standing puzzle concerns why certain languages employ grammatical gender. In an information theoretic analysis of German noun classification, Dye, Milin, Futrell, and Ramscar (2017) enumerated a number of important processing advantages gender confers. Yet this raises a further puzzle: If gender systems are so beneficial to processing, what does this mean for languages that make do without them? Here, we compare the communicative function of gender marking in German (a deterministic system) to that of prenominal adjectives in English (a probabilistic one), finding that despite their differences, both systems act to efficiently smooth information over discourse, making nouns more equally predictable in context. We examine why evolutionary pressures may favor one system over another and discuss the implications for compositional accounts of meaning and Gricean principles of communication. PMID- 29218789 TI - Precise localizations of voltage-gated sodium and potassium channels in neurons. AB - Neurons are extremely large and complex cells, and they regulate membrane potentials in multiple subcellular compartments using a variety of ion channels. Voltage-gated sodium (Nav) and potassium (Kv) channels are crucial in regulating neuronal membrane excitability owing to their diversity in subtypes, biophysical properties, and localizations. In particular, specific localizations of Nav and Kv channels in specific membrane compartments are essential to achieve a precise control of local membrane excitability. Recent advancement in super-resolution microscopy further substantiated nanoscale localizations of different ion channels in neuronal membranes. New questions arise from these new lines of evidence regarding how Nav and Kv channels are trafficked to a specific location and maintained against lateral diffusion. In this review, the aim is to summarize current information about ion channel localizations at nanoscopic levels and discuss what we can infer regarding the mechanisms. (c) 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 271-282, 2018. PMID- 29218790 TI - Embolic strokes of undetermined source in young adults: baseline characteristics and long-term outcome. AB - BACKGROUND AND PURPOSE: Embolic strokes of undetermined source (ESUS) are a recent entity, not yet thoroughly investigated in young stroke patients. The clinical characteristics and long-term risks of vascular events and all-cause mortality between young-onset ESUS and other aetiological subgroups were compared. METHODS: Patients with ESUS were identified amongst the 1008 patients aged 15-49 years with first-ever ischaemic stroke in Helsinki Young Stroke Registry, and primary end-points were defined as recurrent stroke, composite vascular events and all-cause mortality. Cumulative 15-year risks for each end point were analysed with life tables and adjusted risks were based on Cox proportional hazard analyses. RESULTS: Of the 971 eligible patients, 203 (20.9%) were classified as ESUS. They were younger (median age 40 years, interquartile range 32-46 vs. 45 years, 39-47), more often female (43.3% vs. 35.7%) and had fewer cardiovascular risk factors than other modified TOAST groups. With a median follow-up time of 10.1 years, ESUS patients had the second lowest cumulative risk of recurrent stroke and composite vascular events and lowest mortality compared to other TOAST groups. Large-artery atherosclerosis and small vessel disease carried significantly higher risk for recurrent stroke than did ESUS, whilst no difference appeared between cardioembolism from high-risk sources and ESUS. CONCLUSIONS: In our cohort, ESUS patients were younger and had milder cardiovascular risk factor burden and generally better long-term outcome compared to other causes of young-onset stroke. The comparable risk of recurrent stroke between ESUS and high-risk sources of cardioembolism might suggest similarities in their pathophysiology. PMID- 29218792 TI - Complex selection on a regulator of social cognition: Evidence of balancing selection, regulatory interactions and population differentiation in the prairie vole Avpr1a locus. AB - Adaptive variation in social behaviour depends upon standing genetic variation, but we know little about how evolutionary forces shape genetic diversity relevant to brain and behaviour. In prairie voles (Microtus ochrogaster), variants at the Avpr1a locus predict expression of the vasopressin 1a receptor in the retrosplenial cortex (RSC), a brain region that mediates spatial and contextual memory; cortical V1aR abundance in turn predicts diversity in space use and sexual fidelity in the field. To examine the potential contributions of adaptive and neutral forces to variation at the Avpr1a locus, we explore sequence diversity at the Avpr1a locus and throughout the genome in two populations of wild prairie voles. First, we refine results demonstrating balancing selection at the locus by comparing the frequency spectrum of variants at the locus to a random sample of the genome. Next, we find that the four single nucleotide polymorphisms that predict high V1aR expression in the RSC are in stronger linkage disequilibrium than expected by chance despite high recombination among intervening variants, suggesting that epistatic selection maintains their association. Analysis of population structure and a haplotype network for two populations revealed that this excessive LD was unlikely to be due to admixture alone. Furthermore, the two populations differed considerably in the region shown to be a regulator of V1aR expression despite the extremely low levels of genomewide genetic differentiation. Together, our data suggest that complex selection on Avpr1a locus favours specific combinations of regulatory polymorphisms, maintains the resulting alleles at population-specific frequencies, and may contribute to unique patterns of spatial cognition and sexual fidelity among populations. PMID- 29218791 TI - A novel approach to training attention and gaze in ASD: A feasibility and efficacy pilot study. AB - In addition to the social, communicative and behavioral symptoms that define the disorder, individuals with ASD have difficulty re-orienting attention quickly and accurately. Similarly, fast re-orienting saccadic eye movements are also inaccurate and more variable in both endpoint and timing. Atypical gaze and attention are among the earliest symptoms observed in ASD. Disruption of these foundation skills critically affects the development of higher level cognitive and social behavior. We propose that interventions aimed at these early deficits that support social and cognitive skills will be broadly effective. We conducted a pilot clinical trial designed to demonstrate the feasibility and preliminary efficacy of using gaze-contingent video games for low-cost in-home training of attention and eye movement. Eight adolescents with ASD participated in an 8-week training, with pre-, mid- and post-testing of eye movement and attention control. Six of the eight adolescents completed the 8 weeks of training and all six showed improvement in attention (orienting, disengagement) and eye movement control or both. All game systems remained intact for the duration of training and all participants could use the system independently. We delivered a robust, low-cost, gaze-contingent game system for home use that, in our pilot training sample, improved the attention orienting and eye movement performance of adolescent participants in 8 weeks of training. We are currently conducting a clinical trial to replicate these results and to examine what, if any, aspects of training transfer to more real-world tasks. (c) 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 546-554, 2018. PMID- 29218793 TI - Anti-proliferation effect of blue light-emitting diodes against antibiotic resistant Helicobacter pylori. AB - BACKGROUND AND AIM: Infection by Helicobacter pylori is implicated in a wide range of upper gastrointestinal diseases. Owing to the rapid emergence of antibiotic-resistant strains of H. pylori, the development of novel treatment modalities for antibiotic-resistant H. pylori infection is a key priority. Blue light-emitting diodes (LED) may represent a unique option owing to their antimicrobial effect. In this study, we aimed to evaluate the anti-proliferative effect of blue LED against antibiotic-resistant H. pylori. METHODS: Ten antibiotic-resistant strains and one sensitive H. pylori strain were used in this study. After irradiation by blue LED along time course, the viability of H. pylori was evaluated by enumerating colony forming units. Morphological changes in H. pylori were observed using a scanning electron microscope. Reductase activity was measured as an indicator of bacterial cellular activity. Total reactive oxygen species was monitored using fluorescence intensity and fluorescence microscope imaging. RESULTS: After irradiation by blue LED, the numbers of H. pylori in all the strains were significantly reduced compared with control group. The H. pylori exhibited a short rod-shaped morphology after irradiation; no such change was observed in H. pylori not exposed to blue LED. Re irradiation of surviving strain after the initial irradiation also exhibited the same anti-proliferation effect. After blue LED irradiation, bacterial cellular activity was lower, and total reactive oxygen species production was significantly higher in blue LED group, compared with that in control. CONCLUSIONS: Blue LED could be a new treatment to eradicate infection with antibiotic-resistant H. pylori. PMID- 29218794 TI - Examining the potential for porcine-derived islet cells to harbour viral pathogens. AB - With an onus on safety in the potential use of porcine islet cells as a treatment for diabetes, the use of animals lacking exogenous pathogens is clearly important and multilevel screening strategies have been presented on testing animals and the product. In this study, we wished to investigate whether islet cells indeed harboured the same viral pathogens of concern in the source animal. PMBC and islet cells from both adult and neonatal source animals were directly compared and tested for PCMV, PLHV, PCV2, PPV and HEV using both molecular and serological assays. Adult PBMC were found positive for all viruses with the exception of PCV2 and HEV. Neonatal PBMC were only found positive for PCMV and HEV. All animals were found negative for HEV antibodies. Interestingly, islet cells were negative for all viruses tested regardless of status in the animal-derived PBMC. Given that other laboratories have demonstrated the lack of virus detection during the culture of islets, this study also demonstrates that the hygiene status of the herd may not reflect the status of the product. This is important for establishing guidelines for any risk evaluation and mitigation process utilised during product manufacture. PMID- 29218796 TI - Impact of neoadjuvant chemotherapy on the immune microenvironment in advanced epithelial ovarian cancer: Prognostic and therapeutic implications. AB - Over the last decade, increasing evidence highlights the role of the host immune system in the control of tumor growth and the prognostic implications of tumor infiltrating lymphocytes (TILs) in ovarian cancer. Most data support a better prognosis with accumulation of CD3+ and CD8 + TILs and a poor outcome associated with increased regulatory T cells. However, only a small number of studies have focused on the effect of neoadjuvant chemotherapy (NACT) on the tumor immune microenvironment. This review will provide an update on the prognostic value of TIL subpopulations at diagnosis and a comprehensive overview of the recent studies evaluating the impact of neoadjuvant chemotherapy on TILs and their relationship to clinical outcome in advanced ovarian cancer. This information could help in future investigations of immunotherapy as maintenance following primary treatment. PMID- 29218795 TI - Revisiting Bevacizumab + Cytotoxics Scheduling Using Mathematical Modeling: Proof of Concept Study in Experimental Non-Small Cell Lung Carcinoma. AB - Concomitant administration of bevacizumab and pemetrexed-cisplatin is a common treatment for advanced nonsquamous non-small cell lung cancer (NSCLC). Vascular normalization following bevacizumab administration may transiently enhance drug delivery, suggesting improved efficacy with sequential administration. To investigate optimal scheduling, we conducted a study in NSCLC-bearing mice. First, experiments demonstrated improved efficacy when using sequential vs. concomitant scheduling of bevacizumab and chemotherapy. Combining this data with a mathematical model of tumor growth under therapy accounting for the normalization effect, we predicted an optimal delay of 2.8 days between bevacizumab and chemotherapy. This prediction was confirmed experimentally, with reduced tumor growth of 38% as compared to concomitant scheduling, and prolonged survival (74 vs. 70 days). Alternate sequencing of 8 days failed in achieving a similar increase in efficacy, thus emphasizing the utility of modeling support to identify optimal scheduling. The model could also be a useful tool in the clinic to personally tailor regimen sequences. PMID- 29218797 TI - Lymphoepithelioma-like carcinoma of the uterine cervix: Cytomorphologic features and diagnostic pitfalls by liquid-based cytology. AB - Lymphoepithelioma-like carcinoma (LELC) is a rare variant of cervical squamous cell carcinoma with unclear HPV and EBV association. Due to the accompanying and often obscuring lymphocytic inflammation, malignant cells may be difficult to recognize on cytologic samples and can mimic several more common benign and atypical cervical lesions. In this case report, we describe the cytomorphologic findings of LELC by liquid-based cytology in a 59-year-old Caucasian woman who was positive for high risk HPV but had no visible cervical lesions. We also discuss the differential diagnosis, diagnostic pitfalls, and practical considerations for diagnosis. PMID- 29218798 TI - High Risk Clinical Features for Acute Aortic Dissection: A Case-Control Study. AB - BACKGROUND: Acute aortic dissection (AAD) is a rare condition with a high mortality that is often missed. The objective of our study was to assess the diagnostic accuracy of clinical and laboratory findings for AAD, in confirmed cases of AAD and in a low-risk control group. METHODS: This was a historical matched case-control study: participants were adults > 18 years old presenting to two tertiary care emergency departments (EDs) or one regional cardiac referral center. Cases were patients with new ED or in-hospital diagnosis of nontraumatic AAD confirmed by computed tomography or echocardiography. Controls were patients with a triage diagnosis of truncal pain (<14 days) and an absence of a clear diagnosis on basic investigation. Cases and controls were matched in a 1:4 ratio by sex and age. A sample size of 165 cases and 660 controls was calculated based on 80% power and confidence interval of 95% to detect an odds ratio of greater than 2. RESULTS: Data were collected from 2002 to 2014 yielding 194 cases of AAD and 776 controls (mean +/- SD age = 65 +/- 14.1 years; 66.7% male). Absence of abrupt-onset pain (sensitivity = 95.9%, negative likelihood ratio = 0.07 [0.03 0.14]) can help rule out AAD. Presence of tearing/ripping pain (specificity = 99.7%, positive likelihood ratio [LR+] = 42.1 [9.9-177.5]), aortic aneurysm (specificity = 97.8%, LR+ = 6.35 [3.54-11.42]), hypotension (specificity = 98.7%, LR+ = 17.2 [8.8-33.6]), pulse deficit (specificity = 99.3, LR+ = 31.1 [11.2 86.6]), neurologic deficits (specificity = 96.9%, LR+ = 5.26 [2.9-9.3]), and a new murmur (specificity = 97.8%, LR+ = 9.4 [5.5-16.2]) can help rule in the diagnosis of AAD. CONCLUSIONS: Patients with one or more high-risk feature should be considered high risk, whereas patients with no high-risk and multiple low-risk features are at low risk for AAD. PMID- 29218800 TI - Ultrastretchable Kirigami Bioprobes. AB - An ultrastretchable film device is developed that can follow the shape of spherical and large deformable biological samples such as heart and brain tissues. Although the film is composed of biocompatible parylene for the device substrate and metal layers of platinum (Pt)/titanium (Ti), which are unstretchable materials, the film shows a high stretchability by patterning slits as a "Kirigami" design. A Pt/Ti-microelectrode array embedded in 11 um thick parylene film with 5 * 91 slits exhibits a film strain of ~250% at 9 mN strain force (0.08 MPa in stress) with a Young's modulus of 23 kPa, while the 3 * 91 slit film shows a Young's modulus of 3.6 kPa. The maximum strains of these devices are ~470% and ~840%, respectively. It is demonstrated that the Kirigami based microelectrode device can simultaneously record in vivo electrocorticogram signals from the visual and barrel cortices of a mouse by stretching the film and tuning the electrode gap. Moreover, wrapping the Kirigami device around a beating mouse's heart, which shows large and rapid changes in the volume and the surface area, can record the in vivo epicardial electrocardiogram signals. Such a small Young's modulus for a stretchable device reduces the device's strain-force, minimizing the device-induced stress to soft biological tissues. PMID- 29218799 TI - Structural factors associated with methamphetamine smoking among female sex workers in Tijuana, Mexico. AB - INTRODUCTION AND AIMS: Smoking methamphetamine is associated with increased risk of HIV among female sex workers (FSW). The structural context of substance use is an important shaper of individual behaviour; however, structural determinants of methamphetamine use among FSWs are largely unknown. We identified individual, structural and neighbourhood factors associated with smoking methamphetamine among FSWs in the border city of Tijuana, Baja California, Mexico. DESIGN AND METHODS: A prospective cohort of 301 FSWs sampled from indoor and outdoor sex work venues throughout Tijuana participated in quantitative surveys on behaviours and mapping of home and work neighbourhoods across three visits. Multinomial logistic regression using generalised estimating equations identified individual, structural and neighbourhood variables associated with smoking methamphetamine. RESULTS: Methamphetamine use, particularly smoking, was highly prevalent among FSWs. Over half (61%) of FSWs had ever used methamphetamine in their lifetime and at baseline, 38% currently smoked methamphetamine. Smoking methamphetamine daily was associated with living in the red light district [adjusted odds ratio (AOR) = 2.72, 95% confidence interval (CI) = 1.23-6.02] and with perceived homelessness, but only among women in a good financial situation (AOR = 4.08, 95% CI = 1.58 10.50). Smoking methamphetamine less than daily was associated with older age (AOR = 1.06, 95% CI = 1.02-1.10). DISCUSSION AND CONCLUSIONS: Our findings point to the important dynamic between the residential environment and more severe methamphetamine use. FSWs may prioritise the purchase of methamphetamine over stable housing if they have the financial means. Given the high prevalence of smoking methamphetamine among FSWs in Tijuana, drug treatment options, especially for women living in the red light district, are needed. PMID- 29218801 TI - Frontiers in alley cropping: Transformative solutions for temperate agriculture. AB - Annual row crops dominate agriculture around the world and have considerable negative environmental impacts, including significant greenhouse gas emissions. Transformative land-use solutions are necessary to mitigate climate change and restore critical ecosystem services. Alley cropping (AC)-the integration of trees with crops-is an agroforestry practice that has been studied as a transformative, multifunctional land-use solution. In the temperate zone, AC has strong potential for climate change mitigation through direct emissions reductions and increases in land-use efficiency via overyielding compared to trees and crops grown separately. In addition, AC provides climate change adaptation potential and ecological benefits by buffering alley crops to weather extremes, diversifying income to hedge financial risk, increasing biodiversity, reducing soil erosion, and improving nutrient- and water-use efficiency. The scope of temperate AC research and application has been largely limited to simple systems that combine one timber tree species with an annual grain. We propose two frontiers in temperate AC that expand this scope and could transform its climate-related benefits: (i) diversification via woody polyculture and (ii) expanded use of tree crops for food and fodder. While AC is ready now for implementation on marginal lands, we discuss key considerations that could enhance the scalability of the two proposed frontiers and catalyze widespread adoption. PMID- 29218802 TI - Re: Perinatal and maternal morbidity and mortality among term singletons following midcavity operative vaginal delivery versus caesarean delivery. PMID- 29218803 TI - Community pharmacist-led clinical services: physician's understanding, perceptions and readiness to collaborate in a Midwestern state in the United States. AB - OBJECTIVES: Many pharmacists are actively enhancing their role in the delivery of health care by offering a variety of pharmacist-led clinical services. The delivery of these services within community pharmacies can contribute to overcoming the cost and accessibility challenges currently facing U.S. health care, especially when pharmacist-physician collaborative efforts are utilized. The study purpose was to identify general and family practice physicians' awareness of pharmacists' delivery of clinical services, uncover their perceived barriers to collaboration with community pharmacists, and collect their input on how to overcome such barriers in order to better understand how pharmacist-led clinical services can be integrated, improved and more widely utilized as a healthcare delivery mechanism. METHODS: Semi-structured interviews were performed at the physicians' place of practice to assess (1) family practice and internal medicine physicians' knowledge of pharmacists' education, clinical training, and role in the healthcare team; (2) their perceptions and barriers towards pharmacist-delivered clinical services and physician-pharmacist collaboration; and (3) their recommendations to improve physician-pharmacist collaboration. The data were analysed qualitatively to identify and categorize themes. KEY FINDINGS: Thirteen physicians were interviewed. While nearly all physicians were aware of pharmacists' level of education, most were not aware of the level of clinical training pharmacists receive. Only half of the physicians were able to provide a definition or example of collaborative practice agreements, although most recognized value and benefit when the definition and examples were provided to them. The commonly perceived barriers for collaboration were concern over loss of communication, hesitancy to relinquish control and lack of confidence in pharmacists' clinical judgement. CONCLUSION: The study results emphasize the need to develop strategies to improve collaborative relationships between physicians and pharmacists. To encourage collaboration, pharmacists must take a proactive approach to increasing awareness of their clinical knowledge and training, the benefits and value of collaborative practice and the opportunities for it. PMID- 29218805 TI - 2017 Japanese Neuropathology Prizes. PMID- 29218804 TI - Impact of diabetes on free flap surgery of the head and neck: A NSQIP analysis. AB - OBJECTIVE: Diabetes is associated with microvascular pathology and may predispose patients undergoing microvascular surgery to complications. This study assesses diabetes as a risk factor for complications following free flap surgery of the head and neck. PATIENTS AND METHODS: In this retrospective cohort study, data on free flap surgeries of the head and neck between 2005 and 2014 was collected from the National Surgical Quality Improvement Program (NSQIP) database. A propensity matching algorithm (PSM) was used to equilibrate distribution of numerous covariates between the diabetic and nondiabetic cohorts. A sub-analysis was performed to examine the impact of insulin-dependency. RESULTS: The initial dataset contained 2187 free flaps of the head and neck. After implementing PSM, a new population was created containing 506 total cases with 253 DM patients. The majority of cases were male and white. The matched cohort did not contain any demographics or comorbidities associated with DM. Complications significantly elevated in the DM group were severe bleeding (P = .046), postoperative ventilation greater than 48 hours (P < .001), and pneumonia (P < .048). In patients with insulin-dependent diabetes, reintubation (P = .005), cardiac arrest (P = .010), severe bleeding (P = .006), overall surgical complications (P = .015), and overall complications (P = .005) were significantly increased. CONCLUSION: This study examines the impact of diabetes on postoperative complications following free flap reconstruction of the head and neck. Propensity score matching was utilized. Analysis of the PSM cohort suggests that diabetic patients have elevated rates of postoperative pulmonary complications. Additionally, patients with insulin-dependent diabetes have significantly elevated rates of medical and surgical complications. PMID- 29218807 TI - Observational study on the occurrence of surgical glove perforation and associated risk factors in large animal surgery. AB - OBJECTIVE: To determine the incidence of and associated risk factors for glove perforation in large animal surgery. STUDY DESIGN: Prospective observational cohort study. SAMPLE POPULATION: Surgical gloves (n = 917) worn during 103 large animal surgical procedures. METHODS: Gloves worn by personnel involved in sterile preparation and surgical procedures were tested for perforation by 2 previously validated methods, water leak test (WLT) and electroconductivity testing (ECT). The association between surgical and glove-related variables and glove perforation was assessed by using a multivariable mixed-effect logistic regression model. RESULTS: At least 1 glove perforation was detected in 66% of surgical procedures, and 17.9% (164/917) of gloves tested were identified as perforated. All perforations were detected by ECT, whereas only 110/178 (61.8%) were detected by WLT. All perforations detected by WLT were also detected by ECT. The risk of glove perforation increased with duration of wear (>60 minutes odds ratio [OR] 2.3, 95% CI 1.4-3.7; P < .001) and with invasiveness of procedures (OR 7.9, 95% CI 3.2-19.5; P < .001). Primary surgeons were at higher risk for glove perforation than first (OR 1.7, 95% CI 1.1-2.5; P = .008) and second (OR 3.4, 95% CI 2-6.7; P < .001) assistants. Only 25% of glove perforations were detected intraoperatively by the wearer. CONCLUSION: Incidence of glove perforation is similar in large animal, human, and small animal surgery and is influenced by duration of wear, invasiveness of the surgery, and role of the wearer. ECT is more sensitive than WLT for detection of glove perforation. PMID- 29218808 TI - The feasibility and acceptability of a physical activity intervention for older people with chronic musculoskeletal pain: The iPOPP pilot trial protocol. AB - INTRODUCTION: This pilot trial will inform the design and methods of a future full-scale randomized controlled trial (RCT) and examine the feasibility, acceptability and fidelity of the Increasing Physical activity in Older People with chronic Pain (iPOPP) intervention, a healthcare assistant (HCA)-supported intervention to promote walking in older adults with chronic musculoskeletal pain in a primary care setting. METHODS AND ANALYSIS: The iPOPP study is an individually randomized, multicentre, three-parallel-arm pilot RCT. A total of 150 participants aged >=65 years with chronic pain in one or more index sites will be recruited and randomized using random permuted blocks, stratified by general practice, to: (i) usual care plus written information; (ii) pedometer plus usual care and written information; or (iii) the iPOPP intervention. A theoretically informed mixed-methods approach will be employed using semi structured interviews, audio recordings of the HCA consultations, self-reported questionnaires, case report forms and objective physical activity data collection (accelerometry). Follow-up will be conducted 12 weeks post-randomization. Collection of the quantitative data and statistical analysis will be performed blinded to treatment allocation, and analysis will be exploratory to inform the design and methods of a future RCT. Analysis of the HCA consultation recordings will focus on the use of a checklist to determine the fidelity of the iPOPP intervention delivery, and the interview data will be analysed using a constant comparison approach in order to generate conceptual themes focused around the acceptability and feasibility of the trial, and then mapped to the Theoretical Domains Framework to understand barriers and facilitators to behaviour change. A triangulation protocol will be used to integrate quantitative and qualitative data and findings. PMID- 29218809 TI - Reversing Conventional Reactivity of Mixed Oxo/Alkyl Rare-Earth Complexes: Non Redox Oxygen Atom Transfer. AB - The preferential substitution of oxo ligands over alkyl ones of rare-earth complexes is commonly considered as "impossible" due to the high oxophilicity of metal centers. Now, it has been shown that simply assembling mixed methyl/oxo rare-earth complexes to a rigid trinuclear cluster framework cannot only enhance the activity of the Ln-oxo bond, but also protect the highly reactive Ln-alkyl bond, thus providing a previously unrecognized opportunity to selectively manipulate the oxo ligand in the presence of numerous reactive functionalities. Such trimetallic cluster has proved to be a suitable platform for developing the unprecedented non-redox rare-earth-mediated oxygen atom transfer from ketones to CS2 and PhNCS. Controlled experiments and computational studies shed light on the driving force for these reactions, emphasizing the importance of the sterical accessibility and multimetallic effect of the cluster framework in promoting reversal of reactivity of rare-earth oxo complexes. PMID- 29218810 TI - A prospective, multi-center study assessing early loading with short implants in posterior regions. A 3-year post-loading follow-up study. AB - BACKGROUND: Few prospective studies about early loading of short implant have been available and very little evidence exists on the outcomes longer than 3 years. PURPOSE: To assess clinical and radiographic outcomes of 6 mm-short implants placed in the posterior maxilla and mandible applying an early loading protocol. MATERIALS AND METHODS: Ninety-five short implants (6 mm-short, O 4 mm) were placed in 45 subjects at 3 study sites, 2 or 3 implants per subject, using a one-stage surgical procedure and loaded with a screw-retained splinted fixed prosthesis 6 weeks later. Follow-up took place at 6, 12, 24, and 36 months after loading. Marginal bone level changes, implant survival, clinical variables, and adverse events were assessed. RESULTS: The survival rate for all implants placed was 95.8%. From implant loading to 3 years follow-up, mean marginal bone level changes were minimal (0.07 +/- 0.49 mm) and the peri-implant soft tissue status was healthy. No major technical or biological complications occurred except for the 4 early implant losses. CONCLUSION: Three-year data indicates that the use of splinted 6 mm-short implants is a viable treatment in posterior regions with low marginal bone resorption. Early loading after 6 weeks should be taken cautiously in patients with known risk factors. PMID- 29218811 TI - Exploring the chemistry of complex samples by tentative identification and semiquantification: A food contact material case. AB - In fields such as food safety and environmental chemistry, ensuring safety is greatly challenged by large numbers of unknown substances occurring. Even with current state-of-the-art mass spectrometers, dealing with nonidentified substances is a very laborious process as it includes structure elucidation of a vast number of unknowns, of which only a fraction may be relevant. Here, we present an exploration and prioritization approach based on high-resolution mass spectrometry. The method uses algorithm-based precursor/product-ion correlations on quadrupole time-of-flight tandem mass spectrometry data to retrieve the most likely chemical match from a structure database. In addition, time-of-flight-only data are used to estimate analyte concentration via semiquantification. The method is demonstrated in recycled paper food contact material. Here, 585 chromatographic peaks were discovered, of which 117 were unique to the sample and could be tentatively elucidated via accurate mass, isotopic pattern, and precursor/product-ion correlations. Nearly 85% of these 117 peaks were matched with database entries, which provided varying certainty of information about the analyte structure. Semiquantitative concentration ranges of investigated compounds were between 0.7 and 1600 MUg dm-2 . With these data, a subgroup of chemicals was risk-categorized and prioritized by using the most likely candidate structure(s) obtained. Prioritization based on expected health impact was possible by using the tentatively assigned data. Overall, the described method not only is a valuable chemical exploration tool for nonidentified substances but may also be used as a preliminary prioritization tool for substances expected to have the highest health impact, for example, in food contact materials. PMID- 29218812 TI - Gold-Catalyzed Divergent Ring-Closing Modes of Indole-Tethered Amino Allenynes. AB - Indole-tethered amino allenynes were chemodivergently cyclized for the controlled preparation of fused polycyclic indoles using gold catalysis. Double cyclization of terminal allenynes afforded hexacyclic 15 H-indolo[1,2,3-de]quinolino[3,2,1 ij]quinoxalines, in which allenynes bearing a substituted alkyne at the terminal end generated 12,13-dihydro-7 H-indolo[3,2-c]acridines, which are 5-membered cyclized adducts. Density functional theory calculations were performed to shed light on this difference in reactivity. PMID- 29218813 TI - Association of PNPLA3 rs738409 polymorphism with liver steatosis but not with cirrhosis in patients with HBV infection: Systematic review with meta-analysis. AB - BACKGROUND: Hepatitis B virus (HBV) infection is a worldwide health issue and is well known for being the main cause of developing secondary liver complications such as cirrhosis and hepatocellular carcinoma (HCC). The PNPLA3 rs738409 polymorphism has been investigated conclusively with occurrence risk of steatosis and cirrhosis. Therefore, performing a meta-analysis of the available studies with the aim of clarifying the association between rs738409 and occurrence risk of steatosis and cirrhosis among HBV-infected patients would be helpful. METHODS: Chronic HBV infection was defined as the persistence of HBsAg for more than 6 months. To gather sufficient data for this meta-analysis, reliable databases were conclusively searched using appropriate keywords. Only studies that satisfied the inclusion criteria were enrolled in the present study. RESULTS: This meta analysis pooled four studies with 1135 cases of chronic hepatitis B (CHB) to evaluate the impact of PNPLA3 SNP on liver steatosis and also pooled five studies with 3713 cases of CHB to evaluate the impact of PNPLA3 SNP on cirrhosis. The association of rs738409 with each complication was investigated. The rs738409 was found to be associated with steatosis in recessive [p = 4.57 * 10-6 , odds ratio (OR) = 2.85], dominant (p = 4.35 * 10-6 , OR = 1.84), co-dominant (p = 6.18 * 10 8 ; OR = 3.74) and allelic (p = 9.79 * 10-9 ; OR = 1.78) models. No association was found between rs738409 and cirrhosis development in recessive (p = 0.99, OR = 1.00), dominant (p = 0.30, OR = 0.92), co-dominant (p = 0.74; OR = 0.96) and allelic (p = 0.45; OR = 0.96) models. CONCLUSIONS: Although the PNPLA3 rs738409 G allele has been associated with the risk of steatosis in CHB patients, no association between this polymorphism and the risk of cirrhosis was seen. PMID- 29218814 TI - Knowledge, compliance with good clinical practices and barriers to effective control of postoperative pain among nurses from hospitals with and without a "Hospital without Pain" certificate. AB - AIMS AND OBJECTIVES: (i) To compare knowledge and compliance with good clinical practices regarding control of postoperative pain among nurses employed at hospitals with and without a "Hospital without Pain" certificate, (ii) to identify the determinants of nurses' knowledge and (iii) to define barriers to effective control of postoperative pain. BACKGROUND: Only a slight improvement in postoperative pain control has been observed recently, if any. Implementation of good clinical practices in the control of postoperative pain requires involvement of nurses. DESIGN: A cross-sectional study. METHODS: The study included 257 nurses from hospitals with a "Hospital without Pain" certificate and 243 nurses from noncertified hospitals, with mean job seniority of 17.6 +/- 9.6 years. All respondents answered 26 questions regarding postoperative pain control-related issues. Based on the answers, overall scores were calculated for (i) nurses' knowledge, (ii) compliance with good clinical practices and (iii) barriers to effective control of postoperative pain. RESULTS: Nurses from the certified hospitals presented with significantly higher levels of knowledge and compliance with good clinical practices and identified significantly more barriers to effective control of postoperative pain. Apart from certification of a hospital, better knowledge of postoperative pain control was determined by higher education, participation in postgraduate training programmes and other relevant courses, self-education from medical journals, employment at paediatric ward or intensive care unit. The most commonly reported barriers to effective control of pain included too low doses of painkillers prescribed by physicians and inability to modify the protocol of pain treatment by the nurse. CONCLUSIONS: Control of postoperative pain can be improved by enrolling nurses in various forms of continuous training and by providing them with greater autonomy in administering painkillers to surgical patients. RELEVANCE TO CLINICAL PRACTICE: Better quality of care offered to patients with postoperative pain can be achieved by continuous education of nurses and physicians, and greater compliance with relevant good clinical practices. PMID- 29218815 TI - Prospective systemic risk analysis of the dispensing process in German community pharmacies. AB - BACKGROUND: Medicine dispensing represents an error-prone activity, carrying a considerable risk for patients. OBJECTIVE: To prospectively identify and prioritize potential failure modes in the medicine dispensing process as well as to develop corrective actions for patient safety improvement in German community pharmacies. METHOD: Failure mode and effects analysis was performed in 2 community pharmacies in North Rhine-Westphalia, Germany, in October 2016. A 9 member team was assembled, comprising of a leader and process experts who prospectively assessed the medicine dispensing process by brainstorming, quantified the attributed risks, proposed corrective actions, and reassessed the risks. RESULTS: The analysis identified 39 failure modes, out of which the highest criticality scores were assigned to inadequate assessment of therapy appropriateness (Risk Priority Number 45), reluctance to deviate from rebate contracts (36), and dispensing the wrong medicine (30). The corrective actions proposed demonstrated a considerable potential for risk reduction in most failure modes, the most effective of which were introducing obligatory continuous education for pharmacists, organizing communication training, and implementing electronic prescribing. CONCLUSION: This analysis not only detected various potential safety issues concerning the dispensing in Germany but also strongly indicated that application of failure mode and effects analysis could be highly effective in prospective risk reduction in community pharmacies. PMID- 29218816 TI - Long-term adherence with psychiatric treatment among patients with psychogenic nonepileptic seizures. AB - We conducted a prospective cohort study, examining long-term adherence with psychiatric treatment among patients with psychogenic nonepileptic seizures (PNES). Subjects diagnosed with documented PNES were scheduled for 4 psychiatric visits. Survival analysis was performed, and covariates were assessed for association with time to nonadherence using Cox proportional hazard regression analysis. One hundred twenty-three subjects were recruited and followed for up to 17 months. Eighty percent of subjects attended the first outpatient visit, 42% attended the second, 24% attended the third, and only 14% remained adherent through the fourth visit. Two covariates were associated with nonadherence: (1) a prior diagnosis of PNES (hazard ratio 1.57, P-value .046); (2) a lower score on the Brief Illness Perception Questionnaire (BIPQ), signifying lower concern about one's illness (hazard ratio 0.77 for every 10-point increment on the 80-point scale, P-value .008). Adherence with psychiatric treatment among patients with PNES is initially reasonably good but worsens rapidly over visits 2-4. Risk factors for nonadherence include a history of a prior diagnosis of PNES, and a lower level of concern about the illness as assessed by a lower score on the BIPQ. PMID- 29218817 TI - Impact of a Shared Decision Making Intervention on Health Care Utilization: A Secondary Analysis of the Chest Pain Choice Multicenter Randomized Trial. AB - BACKGROUND: Patients at low risk for acute coronary syndrome are frequently admitted for observation and cardiac testing, resulting in substantial burden and cost to the patient and the health care system. OBJECTIVES: The purpose of this investigation was to measure the effect of the Chest Pain Choice (CPC) decision aid on overall health care utilization as well as utilization of specific services both during the index emergency department (ED) visit and in the subsequent 45 days. METHODS: This was a planned secondary analysis of data from a pragmatic multicenter randomized trial of shared decision making in adults presenting to the ED with chest pain who were being considered for observation unit admission for cardiac stress testing or coronary computed tomography angiography. The trial compared an intervention group engaged in shared decision making facilitated by the CPC decision aid to a control group receiving usual care. Hospital-level billing data were used to measure utilization for the index ED visit and during the following 45 days. Patients in both groups also were asked to keep a diary recording health care utilization over the same 45-day period. Outcomes assessed included length of time in the ED and observation, ED visits, office visits, hospitalizations, testing, imaging, and procedures. RESULTS: Of the 898 patients included in the original trial, we were able to contact 834 (92.9%) patients for 45-day health care diary review. There was no difference in patient-reported health care utilization between the study arms. Hospital-level billing data were obtained for all 898 (100%) patients. During the initial ED visit the length of stay (LOS) was similar, and there was no difference in the frequency of observation unit admission between study arms. However, the mean observation unit LOS was 95 minutes (95% confidence interval [CI] = 40.8-149.8) shorter in the CPC arm and the mean number of tests was lower in the CPC arm (decrease in 19.4 imaging studies per 100 patients, 95% CI = 15.5 23.3). When evaluating the entire encounter and follow-up period, the intervention arm underwent fewer tests (decrease in 125.6 tests per 100 patients, 95% CI = 29.3-221.6). More specifically, there were fewer advanced cardiac imaging tests completed (25.8 fewer per 100 patients, 95% CI = 3.74-47.9) in the intervention arm. CONCLUSIONS: Shared decision making in low-risk chest pain can lead to decreased diagnostic testing without worsening outcomes measured over 45 days. PMID- 29218818 TI - Loss of fundus view as an indication for secondary enucleation in retinoblastoma. AB - In this retrospective study, we evaluated loss of fundus view as an indication for secondary enucleation and associated histopathologic findings. Of 64 secondarily enucleated eyes, 24 were enucleated for loss of fundus view. Average time from loss of fundus view to enucleation was 4.7 months. Of these eyes, 22 had viable tumor cells on histopathology, but none had high-risk features. Loss of fundus view was a common indication for secondary enucleation after chemoreduction. Given the high prevalence of viable histopathologic tumor cells, enucleation for loss of fundus view should not be significantly delayed to decrease risk of high-risk tumor progression. PMID- 29218819 TI - A conceptual model of the risk of elder abuse posed by incontinence and care dependence. AB - AIMS AND OBJECTIVES: To describe and critically analyse the thinking that led to the concept of an association between incontinence, care dependence and elder abuse. BACKGROUND: Coercive or abusive continence care practices include chastising a person for their incontinence and overriding their attempts to resist continence care. Neglect in continence care is characterised by withholding or delaying responding to requests for help to maintain continence or to manage incontinence, and restricting a person's access to toileting assistance, incontinence aids or hygiene care. METHODS: Contemporary biomedical understandings about incontinence and influencing concepts from the fields of sociology, psychology and nursing were analysed to inform the design of a conceptual model that elucidates possible associations between incontinence, care dependence and elder abuse. RESULTS: Ideas generated from an analysis of the concepts led to the development of a model termed the "Model of Attributes to Abuse of Dependent Elders in Continence Care" (MADE-CC). The MADE-CC theorises factors that cause and contribute to abuse in continence care. Carer factors include physical and emotional exhaustion, frustration related to the inability to control or predict incontinence, resentment associated with constraints imposed by care dependence, disgust associated with physical contact with urine/faeces, limited knowledge and skills about incontinence and ethical conflicts concerning care. Care recipient factors include frequent and severe incontinence, cognitive impairment and a history of physical or psychological trauma. Social factors that are theorised include the stigmatised nature of incontinence, social taboos and cultural norms and the private nature of continence care. CONCLUSIONS: The MADE-CC illuminates the potential risk of elder abuse posed by incontinence and care dependence. It should be used to improve ethical care of older people and stimulate debate about everyday ethics in the care of older people who are care dependent and to optimise their participation in decisions about their health and well-being. IMPLICATIONS FOR PRACTICE: Nurses and carers should be aware of the multiple interrelated factors that contribute to the risk of elder abuse in the caregiving encounter, including the role of emotions. PMID- 29218820 TI - Frequency of going outdoors and health-related quality of life among older adults: Examining the moderating role of living alone and employment status. AB - AIM: Going outdoors more frequently is beneficial for maintaining and improving health-related quality of life (HRQOL) among older adults. However, individual differences can alter the effects of going outdoors. The present study aimed to examine whether relationships between going outdoors and HRQOL were moderated by living alone and employment status. METHODS: The present study was a secondary analysis of 14-month prospective data (n = 613). Variables used in this study were baseline data on the frequency of going outdoors, HRQOL (physical and mental component summary scores assessed using the Japanese version of the Medical Outcomes study Short Form 8-Item Health Survey), living alone, employment status, potential confounders (sex, age, educational level and instrumental activities of daily living) and follow-up data on HRQOL. RESULTS: Mixed models showed that the interaction term of going outdoors and currently living alone on both the physical and mental component summary and that of going outdoors and current employment status on the mental component were significant. Stratified analyses showed that going outdoors more frequently predicted the physical and mental component summary among those who lived with others, and the mental component summary among those who were unemployed. CONCLUSIONS: These results show that the influence of going outdoors on HRQOL was moderated by living alone and employment status. Going outdoors more frequently might be important for the maintenance of HRQOL, especially among unemployed older adults living with others. Geriatr Gerontol Int 2018; 18: 640-647. PMID- 29218821 TI - Activity-dependent control of NMDA receptor subunit composition at hippocampal mossy fibre synapses. AB - KEY POINTS: CA3 pyramidal cells display input-specific differences in the subunit composition of synaptic NMDA receptors (NMDARs). Although at low density, GluN2B contributes significantly to NMDAR-mediated EPSCs at mossy fibre synapses. Long term potentiation (LTP) of NMDARs triggers a modification in the subunit composition of synaptic NMDARs by insertion of GluN2B. GluN2B subunits are essential for the expression of LTP of NMDARs at mossy fibre synapses. ABSTRACT: Single neurons express NMDA receptors (NMDARs) with distinct subunit composition and biophysical properties that can be segregated in an input-specific manner. The dynamic control of the heterogeneous distribution of synaptic NMDARs is crucial to control input-dependent synaptic integration and plasticity. In hippocampal CA3 pyramidal cells from mice of both sexes, we found that mossy fibre (MF) synapses display a markedly lower proportion of GluN2B-containing NMDARs than associative/commissural synapses. The mechanism involved in such heterogeneous distribution of GluN2B subunits is not known. Here we show that long-term potentiation (LTP) of NMDARs, which is selectively expressed at MF-CA3 pyramidal cell synapses, triggers a modification in the subunit composition of synaptic NMDARs by insertion of GluN2B. This activity-dependent recruitment of GluN2B at mature MF-CA3 pyramidal cell synapses contrasts with the removal of GluN2B subunits at other glutamatergic synapses during development and in response to activity. Furthermore, although expressed at low levels, GluN2B is necessary for the expression of LTP of NMDARs at MF-CA3 pyramidal cell synapses. Altogether, we reveal a previously unknown activity-dependent regulation and function of GluN2B subunits that may contribute to the heterogeneous plasticity induction rules in CA3 pyramidal cells. PMID- 29218822 TI - European Academy of Neurology and European Stroke Organization consensus statement and practical guidance for pre-hospital management of stroke. AB - BACKGROUND AND PURPOSE: The reduction of delay between onset and hospital arrival and adequate pre-hospital care of persons with acute stroke are important for improving the chances of a favourable outcome. The objective is to recommend evidence-based practices for the management of patients with suspected stroke in the pre-hospital setting. METHODS: The GRADE (Grading of Recommendations Assessment, Development and Evaluation) methodology was used to define the key clinical questions. An expert panel then reviewed the literature, established the quality of the evidence, and made recommendations. RESULTS: Despite very low quality of evidence educational campaigns to increase the awareness of immediately calling emergency medical services are strongly recommended. Moderate quality evidence was found to support strong recommendations for the training of emergency medical personnel in recognizing the symptoms of a stroke and in implementation of a pre-hospital 'code stroke' including highest priority dispatch, pre-hospital notification and rapid transfer to the closest 'stroke ready' centre. Insufficient evidence was found to recommend a pre-hospital stroke scale to predict large vessel occlusion. Despite the very low quality of evidence, restoring normoxia in patients with hypoxia is recommended, and blood pressure lowering drugs and treating hyperglycaemia with insulin should be avoided. There is insufficient evidence to recommend the routine use of mobile stroke units delivering intravenous thrombolysis at the scene. Because only feasibility studies have been reported, no recommendations can be provided for pre-hospital telemedicine during ambulance transport. CONCLUSIONS: These guidelines inform on the contemporary approach to patients with suspected stroke in the pre-hospital setting. Further studies, preferably randomized controlled trials, are required to examine the impact of particular interventions on quality parameters and outcome. PMID- 29218823 TI - Perspectives of cannabis use in the life experience of men with schizophrenia. AB - Substance use amongst people with schizophrenia is well-established: up to 50% report using illicit substances. The occurrence of both conditions can also induce people to disengage from mental health services. The research question sought to understand, from the perspective of both service users and clinicians, cannabis use within the experience of people with schizophrenia. The transcripts of the seven participants and the two focus groups were analysed using interpretative phenomenological analysis. Service Users and Clinicians were recruited from Assertive outreach community-based teams. seven male service users who described their ethnic identity as 'black', diagnosed with schizophrenia and a history of treatment disengagement and 12 clinicians who worked with this client group. The two component study involved semi-structured interviews with the Service Users and two focus groups with the Clinicians. Service Users perceived cannabis use as a means by which they could 'reestablish their identity' that had been damaged and the social consequences of diagnosis. Clinicians similarly perceived drugs, cannabis in particular, as a significant part of the service users' life. This study provides greater depth to understanding cannabis use within the experience of people with a diagnosis of schizophrenia. PMID- 29218824 TI - Solar Hydrogen Generation from Lignocellulose. AB - Photocatalytic reforming of lignocellulosic biomass is an emerging approach to produce renewable H2 . This process combines photo-oxidation of aqueous biomass with photocatalytic hydrogen evolution at ambient temperature and pressure. Biomass conversion is less energy demanding than water splitting and generates high-purity H2 without O2 production. Direct photoreforming of raw, unprocessed biomass has the potential to provide affordable and clean energy from locally sourced materials and waste. PMID- 29218825 TI - In vivo evidence supporting a metastasis suppressor role for Stard13 (Dlc2) in ErbB2 (Neu) oncogene induced mouse mammary tumors. AB - Overexpression of dominant oncogenes and the loss of tumor suppressor genes are basic genetic events in the acquisition of the malignant phenotype. The erb-b2 receptor tyrosine kinase 2 (ERBB-2) proto-oncogene is overexpressed in 20-30% of human breast cancers. The StAR related lipid transfer domain containing 13 gene (STARD13), also known as Deleted in Liver Cancer-2 (DLC-2), maps to chromosome band 13q12.3 and is frequently downregulated in human cancers, including 72% of breast cancers. It encodes a RhoGAP protein with sterile alpha motif (SAM) and StAR-related lipid transfer (START) domains. The objective of this study was to determine if loss of Stard13 plays a role in mammary tumor progression using transgenic mice expressing the activated ErbB-2 (Neu) oncogene and Cre recombinase (NIC) in mammary epithelium under transcriptional control of the murine mammary tumor virus (MMTV) promoter (MMTV-NIC). These mice were crossed with a conditional Stard13 knockout mouse (floxed exon 3), resulting in simultaneous Neu expression and Stard13 deletion, specifically in the mammary epithelium. We found that loss of Stard13 did not alter tumor growth nor significantly modify overall survival and tumor free survival. However, there was an increase in the total number of lung metastases in the Stard13 heterozygous or homozygous mice compared with the parental MMTV-NIC strain. Altogether our results indicate that Stard13 acts as a metastasis suppressor rather than a tumor suppressor gene, in Neu oncogene induced mammary tumorigenesis. PMID- 29218826 TI - Poly(lactic acid) composites based on graphene oxide particles with antibacterial behavior enhanced by electrical stimulus and biocompatibility. AB - Poly(lactic acid) (PLA) is a biodegradable and biocompatible polyester widely used in biomedical applications. Unfortunately, this biomaterial suffers from some shortcomings related with the absence of both bioactivity and antibacterial capacity. In this work, composites of PLA with either graphene oxide (GO) or thermally reduced graphene oxide (TrGO) were prepared by melt mixing to overcome these limitations. PLA composites with both GO and TrGO inhibited the attachment and proliferation of Escherichia coli and Staphylococcus aureus bacteria depending on the kind and amount of filler. Noteworthy, it is shown that by applying an electrical stimulus to the percolated PLA/TrGO, the antibacterial behavior can be dramatically increased. MTT analysis showed that while all the PLA/GO composites were more cytocompatible to osteoblast-like cells (SaOS-2) than pure PLA, only low content of TrGO was able to increase this property. These tendencies were related with changes in the surface properties of the resulting polymer composites, such as polarity and roughness. In this way, the addition of GO and TrGO into a PLA matrix allows the development of multifunctional composites for potential applications in biomedicine. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1051-1060, 2018. PMID- 29218827 TI - Computational study of estimating 3D trabecular bone microstructure for the volume of interest from CT scan data. AB - Inspired by the self-optimizing capabilities of bone, a new concept of bone microstructure reconstruction has been recently introduced by using 2D synthetic skeletal images. As a preliminary clinical study, this paper proposes a topology optimization-based method that can estimate 3D trabecular bone microstructure for the volume of interest (VOI) from 3D computed tomography (CT) scan data with enhanced computational efficiency and phenomenological accuracy. For this purpose, a localized finite element (FE) model is constructed by segmenting a target bone from CT scan data and determining the physiological local loads for the VOI. Then, topology optimization is conducted with multiresolution bone mineral density (BMD) deviation constraints to preserve the patient-specific spatial bone distribution obtained from the CT scan data. For the first time, to our knowledge, this study has demonstrated that 60-MUm resolution trabecular bone images can be reconstructed from 600-MUm resolution CT scan data (a 62-year-old woman with no metabolic bone disorder) for the 4 VOIs in the proximal femur. The reconstructed trabecular bone includes the characteristic trabecular patterns and has morphometric indices that are in good agreement with the anatomical data in the literature. As for computational efficiency, the localization for the VOI reduces the number of FEs by 99%, compared with that of the full FE model. Compared with the previous single-resolution BMD deviation constraint, the proposed multiresolution BMD deviation constraints enable at least 65% and 47% reductions in the number of iterations and computing time, respectively. These results demonstrate the clinical feasibility and potential of the proposed method. PMID- 29218828 TI - Monocytic myeloid-derived suppressor cells as prognostic factor in chronic myeloid leukaemia patients treated with dasatinib. AB - Myeloid suppressor cells are a heterogeneous group of myeloid cells that are increased in patients with chronic myeloid leukaemia (CML) inducing T cell tolerance. In this study, we found that therapy with tyrosine kinase inhibitors (TKI) decreased the percentage of granulocytic MDSC, but only patients treated with dasatinib showed a significant reduction in the monocytic subset (M-MDSC). Moreover, a positive correlation was observed between number of persistent M-MDSC and the value of major molecular response in dasatinib-treated patients. Serum and exosomes from patients with CML induced conversion of monocytes from healthy volunteers into immunosuppressive M-MDSC, suggesting a bidirectional crosstalk between CML cells and MDSC. Overall, we identified M-MDSC as prognostic factors in patients treated with dasatinib. It might be of interest to understand whether MDSC may be a candidate predictive markers of relapse risk following TKI discontinuation, suggesting their potential significance as practice of precision medicine. PMID- 29218830 TI - Effectiveness of vocabulary intervention for older children with (developmental) language disorder. AB - BACKGROUND: Children with developmental language disorder (DLD) frequently have difficulties with word learning and understanding vocabulary. For these children, this can significantly impact on social interactions, daily activities and academic progress. Although there is literature providing a rationale for targeting word learning in such children, there is little evidence for the effectiveness of specific interventions in this area for children with identified DLD. AIMS: To establish whether direct one-to-one intervention for children with DLD over 9 years of age leads to improved abilities to identify, comprehend, define, and use nouns and verbs targeted in intervention as compared with non targeted control items and whether or not the participants' rating of their own knowledge of the words changes with intervention. METHODS & PROCEDURES: Twenty five children and young people with language disorder (aged 9;4-16;1) participated in the study: 18 with DLD and seven with a language disorder associated with autism spectrum disorder (ASD). Two assessments of different levels were created: a higher ability (less frequent words) and a lower ability (more frequent words). Participants' speech and language therapists (SLTs) decided which level would be the most appropriate for each participant. Four tasks were carried out as part of the assessment and the scores were used to identify which words each participant worked on. Participants received one 30-min session per week one-to-one with their own SLT for 7 weeks, plus a 5-min revision session in between each main session. During each of the first five sessions, participants learned two new words; the two final sessions were spent revising the 10 words which had been targeted. OUTCOMES & RESULTS: Post-intervention assessment showed an increase in scores for both treated and control words. However, progress on treated words was significantly greater than on control words (d = 1.07), indicating effectiveness of intervention. The difference between progress on targeted and control words was found both for nouns (d = 1.29) and verbs (d = 0.64), but the effect size was larger for nouns. Whether or not the participants had an associated ASD did not affect the results. The children's self-rating of their knowledge of the targeted words was also significantly higher than for control words post-intervention. CONCLUSIONS & IMPLICATIONS: The intervention delivered one-to-one by the participants' usual SLT was effective in teaching new vocabulary to older children with language disorders. This shows that older children with language disorders can make progress with direct one-to-one intervention focused on vocabulary. PMID- 29218829 TI - Intraclass correlation: Improved modeling approaches and applications for neuroimaging. AB - Intraclass correlation (ICC) is a reliability metric that gauges similarity when, for example, entities are measured under similar, or even the same, well controlled conditions, which in MRI applications include runs/sessions, twins, parent/child, scanners, sites, and so on. The popular definitions and interpretations of ICC are usually framed statistically under the conventional ANOVA platform. Here, we provide a comprehensive overview of ICC analysis in its prior usage in neuroimaging, and we show that the standard ANOVA framework is often limited, rigid, and inflexible in modeling capabilities. These intrinsic limitations motivate several improvements. Specifically, we start with the conventional ICC model under the ANOVA platform, and extend it along two dimensions: first, fixing the failure in ICC estimation when negative values occur under degenerative circumstance, and second, incorporating precision information of effect estimates into the ICC model. These endeavors lead to four modeling strategies: linear mixed-effects (LME), regularized mixed-effects (RME), multilevel mixed-effects (MME), and regularized multilevel mixed-effects (RMME). Compared to ANOVA, each of these four models directly provides estimates for fixed effects and their statistical significances, in addition to the ICC estimate. These new modeling approaches can also accommodate missing data and fixed effects for confounding variables. More importantly, we show that the MME and RMME approaches offer more accurate characterization and decomposition among the variance components, leading to more robust ICC computation. Based on these theoretical considerations and model performance comparisons with a real experimental dataset, we offer the following general-purpose recommendations. First, ICC estimation through MME or RMME is preferable when precision information (i.e., weights that more accurately allocate the variances in the data) is available for the effect estimate; when precision information is unavailable, ICC estimation through LME or the RME is the preferred option. Second, even though the absolute agreement version, ICC(2,1), is presently more popular in the field, the consistency version, ICC(3,1), is a practical and informative choice for whole-brain ICC analysis that achieves a well-balanced compromise when all potential fixed effects are accounted for. Third, approaches for clear, meaningful, and useful result reporting in ICC analysis are discussed. All models, ICC formulations, and related statistical testing methods have been implemented in an open source program 3dICC, which is publicly available as part of the AFNI suite. Even though our work here focuses on the whole-brain level, the modeling strategy and recommendations can be equivalently applied to other situations such as voxel, region, and network levels. PMID- 29218831 TI - Re: Ultrasound bladder wall thickness and detrusor overactivity: a multicentre test accuracy study: Is it fair to assess new imaging techniques against a poor gold standard? PMID- 29218832 TI - Necrotizing enterocolitis in the setting of milk allergy after pediatric living donor liver transplantation. AB - NEC is an idiopathic intestinal mucosal injury that may progress to transmural bowel necrosis without mesenteric ischemia. NEC usually affects 7- to 10-day-old neonates following enteral feeding. A 10-month-old girl with no history of laparotomy underwent LDLT for acute liver failure. After starting enteral feeding on postoperative day 5, she developed abdominal distention. Diffuse PVG and PI were detected by radiologic modalities. Exploratory laparotomy revealed patchy necrosis of the intestine without perforation. The microscopic findings of a resected specimen revealed transmural coagulative necrosis with multiple small thromboses compatible with neonatal NEC features, and eosinophil infiltration was also observed. Subsequently, after the resumption of enteral feeding with cow's milk, she developed severe diarrhea, the symptoms of which were eliminated after the administration of cow's milk was stopped. These clinical and pathological findings support the speculation that NEC might have been induced by a CMA. Food allergies, which can be induced by immunosuppressive agents, should be considered as a potential cause of NEC in the setting of pediatric liver transplantation. PMID- 29218833 TI - Consideration of children with intellectual disability as candidates for solid organ transplantation-A practice in evolution. AB - Children with intellectual disability were historically excluded from consideration as recipients of solid organ transplants. In light of an evolution in provider practices, this commentary will define intellectual disability and review the relevant provider attitudes and guidelines and known outcomes of solid organ transplant in this population. PMID- 29218834 TI - Comparative evaluation of simple indices using a single fasting blood sample to estimate beta cell function after islet transplantation. AB - Six single fasting blood sample-based indices-Secretory Unit of Islet Transplant Objects (SUITO), Transplant Estimated Function (TEF), Homeostasis Model Assessment (HOMA)2-B%, C-peptide/glucose ratio (CP/G), C-peptide/glucose creatinine ratio (CP/GCr), and BETA-2 score-were compared against commonly used 90-minute mixed meal tolerance test (MMTT) serum glucose and beta score to assess which of them best recognizes the state of acceptable blood glucose control without insulin supplementation after islet allotransplantation (ITx). We also tested whether the indices could identify the success of ITx based on the Igls classification of beta cell graft function. We analyzed values from 47 MMTT tests in 4 patients with up to 140 months follow-up and from 54 MMTT tests in 13 patients with up to 42 months follow-up. SUITO, CP/G, HOMA2-B%, and BETA-2 correlated well with the 90-minute glucose of the MMTT and beta-score (r 0.54 0.76), whereas CP/GCr showed a modest performance (r 0.41-0.52) while TEF showed little correlation. BETA-2 and SUITO were the best identifiers and predictors of the need for insulin support, glucose intolerance, and ITx success (P < .001), while HOMA2-B% and TEF were unreliable. Single fasting blood sample SUITO and BETA-2 scores are very practical alternative tools that allow for frequent assessments of graft function. PMID- 29218835 TI - "We just follow the patients' lead": Healthcare professional perspectives on the involvement of teenagers with cancer in decision making. AB - PURPOSE: We report on an in-depth interview and participant observation study that uses data from multiple sources to determine how the involvement of teenagers with leukaemia is understood and enacted in healthcare. In this article, we investigate healthcare professionals' (HCP) views of teenagers' involvement in decisions about their care and treatment for leukaemia. METHODS: We conducted participant observation at 98 multi-disciplinary meetings and 95 open-ended, semi-structured interviews and informal conversations with clinical teenage cancer teams at one UK tertiary referral centre. Data were collected over a 9-month period, audio-recorded, transcribed verbatim and analysed using principles of grounded theory. RESULTS: HCP revealed principles relating to the involvement of teenagers with leukaemia in decision making: (1) do the 'right thing', (2) act on the care and treatment preferences of the teenager and (3) openly disclose information about the teenagers' condition. These principles were prioritised and utilised uniquely in each situation, reliant on three mediating factors: (1) family communication styles, (2) stage of illness and (3) nature of the disease. CONCLUSIONS: Specialist haematology teams are aware of the individual, and shifting and situational preferences of teenagers. They follow the lead which teenagers give them with regard to these preferences. If actual practice with regard to the involvement of teenagers is found to be wanting, this study refutes that this should be ascribed to insensitivity on the part of HCP about teenagers informational and decisional role preferences. PMID- 29218836 TI - Model-Based Evaluation of Radiation and Radiosensitizing Agents in Oncology. AB - Radiotherapy is one of the major therapy forms in oncology, and combination therapies involving radiation and chemical compounds can yield highly effective tumor eradication. In this paper, we develop a tumor growth inhibition model for combination therapy with radiation and radiosensitizing agents. Moreover, we extend previous analyses of drug combinations by introducing the tumor static exposure (TSE) curve. The TSE curve for radiation and radiosensitizer visualizes exposure combinations sufficient for tumor regression. The model and TSE analysis are then tested on xenograft data. The calibrated model indicates that the highest dose of combination therapy increases the time until tumor regrowth 10 fold. The TSE curve shows that with an average radiosensitizer concentration of 1.0 MUg/mL the radiation dose can be decreased from 2.2 Gy to 0.7 Gy. Finally, we successfully predict the effect of a clinically relevant treatment schedule, which contributes to validating both the model and the TSE concept. PMID- 29218837 TI - Asthma in children and adolescents with type 1 diabetes in Germany and Austria: Frequency and metabolic control. AB - OBJECTIVE: To investigate the prevalence of asthma in young patients with type 1 diabetes mellitus (T1D) from Austria and Germany and its influence on their metabolic control. METHODS: This prospective, multicenter observational cohort study was based on the DPV-registry (German/Austrian DPV initiative) including 51 926 patients with T1D (<20 years). All clinical data were documented prospectively. To identify patients with additional asthma, the entry of the diagnosis asthma as well as asthma medication was used for classification. RESULTS: 1755 patients (3.4%) of the cohort had the diagnosis asthma or received asthma-specific drugs. Patients with asthma needed higher insulin doses (0.88 +/- 0.3 vs 0.84 +/- 0.3 U/kg, P < .01) and had decreased height-standard deviation score (SDS) (-0.002 +/- 1.04 vs 0.085 +/- 1.02, P < .01); they were more often males (61% vs 52%, P < .01), had an increased body mass index (BMI)-SDS (0.31 +/- 0.89 vs 0.28 +/- 0.89, P = .04) and experienced more severe hypoglycemia (4.5 [4.2; 4.8] vs 3.2 [3.2; 3.3] events/100 pts. years, P < .01). Glycated hemoglobin A1c (HbA1c) did not differ between patients with and without asthma overall, only sub groups (corticosteroids vs leukotriene antagonist and corticosteroids vs sympatomimetics) revealed differences. No influence of asthma medication on metabolic control or BMI-SDS could be found. CONCLUSION: In our DPV-database, frequency of asthma and T1D seems similar to the prevalence of asthma in the healthy German background population. The concomitant diagnosis of asthma and T1D had minor influence on metabolic control and diabetes complication rate, although there was no difference in HbA1c overall. Patients with both diseases seem to be slightly growth restricted and require slightly higher insulin doses. PMID- 29218838 TI - Intended and Unintended Targeting of Polymeric Nanocarriers: The Case of Modified Poly(glycerol adipate) Nanoparticles. AB - Biodegradable nanoparticles based on stearic acid-modified poly(glycerol adipate) (PGAS) are promising carriers for drug delivery. In order to investigate the impact of the particle interface characteristics on the biological fate, PGAS nanoparticles are covalently and noncovalently coated with N-(2-hydroxypropyl) methacrylamide (HPMA) copolymers. HPMA copolymer-modified PGAS nanoparticles have similar particle sizes, but less negative zeta-potentials. Nanoparticles are double labeled with the fluorescent dyes DiR (noncovalently) and DYOMICS-676 (covalently bound to HPMA copolymer), and their biodistribution is investigated noninvasively by multispectral optical imaging. Both covalent and noncovalent coatings cause changes in the pharmacokinetics and biodistribution in healthy and tumor-bearing mice. In addition to the intended tumor accumulation, high signals of both fluorescent dyes are also observed in other organs, including liver, ovaries, adrenal glands, and bone. The unintended accumulation of nanocarriers needs further detailed and systematic investigations, especially with respect to the observed ovarian and adrenal gland accumulation. PMID- 29218839 TI - Association between number of teeth, use of dentures and musculoskeletal frailty among older adults. AB - AIM: To assess whether there is a relationship between musculoskeletal frailty and number of teeth/denture use, and whether nutritional intake explains this relationship, in a sample of older Americans. METHODS: Data from the National Health and Nutrition Examination Survey 2011/2012 were used. Handgrip strength was used to show musculoskeletal frailty. Number of teeth and denture use were examined by calibrated dentists. Information on sociodemographic factors, nutrients intake and general health status were collected through interviews. Logistic regression models were used to assess the association between number of teeth/denture use by participants having <20 teeth and musculoskeletal frailty. Poisson regression analyses were used to assess the association between number of teeth/denture use and nutritional intake. RESULTS: There was no statistically significant difference in musculoskeletal frailty between denture users with <20 teeth and those with >=20 teeth. Non-denture users with <20 teeth had higher odds for musculoskeletal frailty (OR 1.32, 95% CI 1.04-1.68). Accounting for nutritional intake explained >30% of this relationship. Having fewer teeth was associated with deficiency of nutritional intake regardless of denture use. CONCLUSIONS: Denture use is associated with lower chances of musculoskeletal frailty among older Americans. Nutritional intake explained approximately one third of the association, but most of the relationship was attributed to comorbidity. The findings imply that dental status might play a role in musculoskeletal frailty. Geriatr Gerontol Int 2018; 18: 592-598. PMID- 29218840 TI - Behaviour vs. perception: An investigation into the components of emotional invalidation. AB - BACKGROUND: The negative effects of emotionally invalidating environments are theorized by the biosocial theory of borderline personality disorder to be vast and severe. However, findings from studies on the impact of emotional invalidation (EI) vary, perhaps due to different operational definitions of EI. The current investigation seeks to explore the relationship between the objective behavioural observations of EI and recipient's subjective perceptions of experiencing these behaviours. METHOD: First, 58 participants watched scripted interactions between a confederate and a mock participant and identified the presence of invalidating and/or neutral behaviours. Next, 92 participants engaged in one-on-one interactions with a confederate utilizing the same scripted interactions observed by the first set of participants. RESULTS: While the first set of participants identified invalidating behaviours accurately and consistently, the participants who experienced the behaviours demonstrated more variability in their perceptions of the behaviours as emotionally invalidating. CONCLUSION: These preliminary findings demonstrate that the objective existence of emotionally invalidating behaviours are likely not the same as the experienced perception of EI across individuals, highlighting the need to examine how EI is operationally defined and measured. Future research should examine what individual characteristics may play a role in perceiving behaviours as emotionally invalidating. Copyright (c) 2017 John Wiley & Sons, Ltd. PMID- 29218842 TI - Corrigendum: Highly Active N,O Zinc Guanidine Catalysts for the Ring-Opening Polymerization of Lactide. PMID- 29218841 TI - Improvement of conformal arc plans by using deformable margin delineation method for stereotactic lung radiotherapy. AB - PURPOSE: Stereotactic body radiotherapy (SBRT) is an established treatment technique in the management of medically inoperable early stage non-small cell lung cancer (NSCLC). Different techniques such as volumetric modulated arc (VMAT) and three-dimensional conformal arc (DCA) can be used in SBRT. Previously, it has been shown that VMAT is superior to DCA technique in terms of plan evaluation parameters. However, DCA technique has several advantages such as ease of use and considerable shortening of the treatment time. DCA technique usually results in worse conformity which is not possible to ameliorate by inverse optimization. In this study, we aimed to analyze whether a simple method - deformable margin delineation (DMD) - improves the quality of the DCA technique, reaching similar results to VMAT in terms of plan evaluation parameters. METHODS: Twenty stage I II (T1-2, N0, M0) NSCLC patients were included in this retrospective dosimetric study. Noncoplanar VMAT and conventional DCA plans were generated using 6 MV and 10 MV with flattening filter free (FFF) photon energies. The DCA plan with 6FFF was calculated and 95% of the PTV was covered by the prescription isodose line. Hot dose regions (receiving dose over 100% of prescription dose) outside PTV and cold dose regions (receiving dose under 100% of prescription dose) inside PTV were identified. A new PTV (PTV-DMD) was delineated by deforming PTV margin with respect to hot and cold spot regions obtained from conventional DCA plans. Dynamic multileaf collimators (MLC) were set to PTV-DMD beam eye view (BEV) positions and the new DCA plans (DCA-DMD) with 6FFF were generated. Three dimensional (3D) dose calculations were computed for PTV-DMD volume. However, the prescription isodose was specified and normalized to cover 95% volume of original PTV. Several conformity indices and lung doses were compared for different treatment techniques. RESULTS: DCA-DMD method significantly achieved a superior conformity index (CI), conformity number (CIPaddick ), gradient index (R50% ), isodose at 2 cm (D2 cm ) and external index (CDelta) with respect to VMAT and conventional DCA plans (P < 0.05 for all comparisons). CI ranged between 1.00 1.07 (Mean: 1.02); 1.00-1.18 (Mean: 1.06); 1.01-1.23 (Mean 1.08); 1.03-1.29 (Mean: 1.15); 1.04-1.29 (Mean: 1.18) for DCA-DMD-6FFF, VMAT-6FFF, VMAT-10FFF DCA 6FFF and DCA-10FFF respectively. DCA-DMD-6FFF technique resulted significantly better CI compared to others (P = 0.002; < 0.001; < 0.001; < 0.001). R50% ranged between 3.22-4.74 (Mean: 3.99); 3.24-5.92 (Mean: 4.15) for DCA-DMD-6FFF, VMAT 6FFF, respectively. DCA-DMD-6FFF technique resulted lower intermediate dose spillage compared to VMAT-6FFF, though the difference was statistically insignificant (P = 0.32). D2 cm ranged between 35.7% and 67.0% (Mean: 53.2%); 42.1%-79.2% (Mean: 57.8%) for DCA-DMD-6FFF, VMAT-6FFF respectively. DCA-DMD-6FFF have significantly better and sharp falloff gradient 2 cm away from PTV compared to VMAT-6FFF (P = 0.009). CDelta ranged between 0.052 and 0.140 (Mean: 0.085); 0,056-0,311 (Mean: 0.120) for DCA-DMD, VMAT-6FFF, respectively. DCA-DMD-6FFF have significantly improved CDelta (P = 0.002). VMAT- V20 Gy , V2.5 Gy and mean lung dose (MLD) indices are calculated to be 4.03%, 23.83%, 3.42 Gy and 4.19%, 27.88%,3.72 Gy, for DCA-DMD-6FFF and DCA techniques, respectively. DCA-DMD-6FFF achieved superior lung sparing compared to DCA technique. DCA-DMD-6FFF method reduced MUs 44% and 33% with respect to VMAT-6FFF and 10FFF, respectively, without sacrificing dose conformity (P < 0.001; P < 0.001). CONCLUSIONS: Our results demonstrated that DCA plan evaluation parameters can be ameliorated by using the DMD method. This new method improves DCA plan quality and reaches similar results with VMAT in terms of dosimetric parameters. We believe that DCA DMD is a simple and effective technique for SBRT and can be preferred due to shorter treatment and planning time. PMID- 29218843 TI - Potential of saprophage Diptera to acquire culturable livestock-associated antibiotic-resistant bacteria. AB - The increasing prevalence of antibiotic resistance among bacteria is one of the most intractable challenges in 21st-century public health. Dipterans that associate with livestock, livestock waste products and cadavers have the potential to acquire livestock-associated antibiotic-resistant bacteria (LA-ARB) and transmit them to humans. In this study, piglet cadavers were used to attract saprophage dipterans from the environment and those dipterans were sampled for the presence of LA-ARB. In the first trial, culturable microbes resistant to both aminoglycoside and beta-lactam antibiotics were found in all cadavers and masses of dipteran larvae, and in three-quarters of adult dipterans. In the second trial, over 130 culturable bacterial colonies resistant to beta-lactams were isolated from the cadavers, larval and adult dipterans. Over 100 of those colonies were coliform or metabolically similar bacteria. Adult dipterans carried beta-lactam resistant staphylococci, whereas those bacterial types were absent from larval dipterans and cadavers, suggesting they were picked up from elsewhere in the environment. This research indicates that LA-ARB are ubiquitous in pig farms, and dipterans have the potential to carry medically important microbes. Further research is encouraged to determine the extent to which dipterans acquire microbes from animal agriculture relative to other environments. PMID- 29218844 TI - Predictors of hepatotoxicity and pancreatitis in children and adolescents with acute lymphoblastic leukemia treated according to contemporary regimens. AB - BACKGROUND: Hepatotoxicity and pancreatitis are common treatment-related toxicities (TRTs) during contemporary treatment regimens for acute lymphoblastic leukemia (ALL). Limited detailed data from Children's Oncology Group (COG) regimens has been previously reported to enable identification of patient and treatment risk factors for these toxicities and their impact on outcomes. PROCEDURE: We analyzed a retrospective pediatric ALL cohort treated at a single institution according to COG regimens from 2008 to 2015. The primary endpoint was cumulative incidence of study-defined "severe" hepatotoxicity (Common Terminology Criteria for Adverse Events [CTCAE] Grade >= 4 transaminitis or Grade >= 3 hyperbilirubinemia) and clinically significant pancreatitis (any grade). Pancreatitis was additionally classified using the Ponte di Legno (PdL) toxicity criteria. Secondary endpoints were chemotherapy interruptions, early disease response (end of induction [EOI] minimal residual disease [MRD]), and event-free survival (EFS). RESULTS: We identified 262 patients, of whom 71 (27%) and 28 (11%) developed hepatotoxicity and pancreatitis, respectively. Three cases of pancreatitis did not fulfill PdL criteria despite otherwise consistent presentations. Both TRTs occurred throughout therapy, but approximately 25% of hepatotoxicity (18/71) and pancreatitis (8/28) occurred during induction alone. Both obesity and age (>=10 years) were identified as predictors of hepatotoxicity (subdistribution hazard ratio [SHR] obesity = 1.75, 95% confidence interval [95% CI] 1.04-2.96; SHR age >=10 = 1.9, 95% CI 1.19-3.10) and pancreatitis (SHR obesity = 2.18, 95% CI 1.01-4.67; SHR age >= 10 = 2.76, 95% CI 1.19-6.39, P = 0.018). Dose interruptions were common but neither toxicity influenced EOI MRD nor EFS. CONCLUSIONS: Obese and/or older children are particularly at risk for hepatotoxicity and pancreatitis, and may benefit from toxicity surveillance and chemoprotective strategies to prevent or mitigate associated morbidity. PMID- 29218845 TI - Probiotic consortia are not uniformly effective against different amphibian chytrid pathogen isolates. AB - Symbiotic bacterial communities can protect their hosts from infection by pathogens. Treatment of wild individuals with protective bacteria (probiotics) isolated from hosts can combat the spread of emerging infectious diseases. However, it is unclear whether candidate probiotic bacteria can offer consistent protection across multiple isolates of globally distributed pathogens. Here, we use the lethal amphibian fungal pathogen Batrachochytrium dendrobatidis to investigate whether probiotic richness (number of bacteria) or genetic distance among consortia members influences broad-scale in vitro inhibitory capabilities of probiotics across multiple isolates of the pathogen. We show that inhibition of multiple pathogen isolates by individual bacteria is rare, with no systematic pattern among bacterial genera in ability to inhibit multiple B. dendrobatidis isolates. Bacterial consortia can offer stronger protection against B. dendrobatidis compared to single strains, and this tended to be more pronounced for consortia containing multiple genera compared with those consisting of bacteria from a single genus (i.e., with lower genetic distance), but critically, this effect was not uniform across all B. dendrobatidis isolates. These novel insights have important implications for the effective design of bacterial probiotics to mitigate emerging infectious diseases. PMID- 29218846 TI - Revealing the Chemistry between Band Gap and Binding Energy for Lead-/Tin-Based Trihalide Perovskite Solar Cell Semiconductors. AB - A relationship between reported experimental band gaps (solid) and DFT-calculated binding energies (gas) is established, for the first time, for each of the four ten-membered lead (or tin) trihalide perovskite solar cell semiconductor series examined in this study, including CH3 NH3 PbY3 , CsPbY3 , CH3 NH3 SnY3 and CsSnY3 (Y=I(3-x) Brx=1-3 , I(3-x) Clx=1-3 , Br(3-x) Cl x=1-3 , and IBrCl). The relationship unequivocally provides a new dimension for the fundamental understanding of the optoelectronic features of solid-state solar cell thin films by using the 0 K gas-phase energetics of the corresponding molecular building blocks. PMID- 29218847 TI - Potential exposure to Australian bat lyssavirus is unlikely to prevent future bat handling among adults in South East Queensland. AB - Despite ongoing public health messages about the risks associated with bat contact, the number of potential exposures to Australian bat lyssavirus (ABLV) due to intentional handling by members of the general public in Queensland has remained high. We sought to better understand the reasons for intentional handling among these members of the public who reported their potential exposure to inform future public health messages. We interviewed adults who resided in a defined geographic area in South East Queensland and notified potential exposure to ABLV due to intentional handling of bats by telephone between 1 January 2012 and 31 December 2013. The participation rate was 54%. Adults who reported they had intentionally handled bats in South East Queensland indicated high levels of knowledge and perception of a moderately high risk associated with bats with overall low intentions to handle bats in the future. However, substantial proportions of people would attempt to handle bats again in some circumstances, particularly to protect their children or pets. Fifty-two percent indicated that they would handle a bat if a child was about to pick up or touch a live bat, and 49% would intervene if a pet was interacting with a bat. Future public health communications should recognize the situations in which even people with highrisk perceptions of bats will attempt to handle them. Public health messages currently focus on avoidance of bats in all circumstances and recommend calling in a trained vaccinated handler, but messaging directed at adults for circumstances where children or pets may be potentially exposed should provide safe immediate management options. PMID- 29218848 TI - SHANK1 is differentially expressed during development in CA1 hippocampal neurons and astrocytes. AB - Recent studies have strongly suggested a role for the synaptic scaffolding protein SHANK1 in normal synaptic structure and signaling. Global SHANK1 knockout (SHANK1-/-) mice demonstrate reduced dendritic spine density, an immature dendritic spine phenotype and impairments in various cognitive tasks. SHANK1 overexpression is associated with increased dendritic spine size and impairments in fear conditioning. These studies suggest proper regulation of SHANK1 is crucial for appropriate synaptic structure and cognition. However, little is known regarding SHANK1's developmental expression in brain regions critical for learning. The current study quantified cell specific developmental expression of SHANK1 in the hippocampus, a brain region critically involved in various learning paradigms shown to be disrupted by SHANK1 dysregulation. Consistent with prior studies, SHANK1 was found to be strongly co-expressed with dendritic markers, with significant increased co-expression at postnatal day (P) 15, an age associated with increased synaptogenesis in the hippocampus. Interestingly, SHANK1 was also found to be expressed in astrocytes and microglia. To our knowledge, this is the first demonstration of glial SHANK1 localization; therefore, these findings were further examined via a glial purified primary cell culture fraction using magnetic cell sorting. This additional analysis further demonstrated that SHANK1 was expressed in glial cells, supporting our immunofluorescence co-expression findings. Developmentally, astroglial SHANK1 co expression was found to be significantly elevated at P5 with a reduction into adulthood, while SHANK1 microglial co-expression did not significantly change across development. These data collectively implicate a more global role for SHANK1 in mediating normal cellular signaling in the brain. (c) 2017 Wiley Periodicals, Inc. Develop Neurobiol 78: 363-373, 2018. PMID- 29218849 TI - Reconstruction of full-thickness cheek defect with chimeric facial artery free flap: A case report. AB - Full-thickness cheek defects represent a difficult challenge for reconstructive surgeons. Multiple techniques have been described, including local, regional, and free flaps. In this report, the reconstruction of a through and through left cheek defect, resulting from a self-inflicted gunshot injury, with a chimeric facial artery free flap is presented. The patient underwent reconstruction with a chimeric full-thickness facial artery free flap, with 9 * 3 cm diameter skin paddle and a 6 * 5 cm myomucosal paddle, was harvested on the contralateral cheek with a 7-cm length of facial pedicle. The flap was transferred via a microsurgical technique and an end-to-end microsurgical anastomosis was performed between the donor and the contralateral facial vessels. The flap was transplanted successfully and there were no donor or recipient site complications with a satisfactory esthetic result 5 years after surgery. This technique may be a good reconstructive option for medium size, full-thickness, cheek defects allowing a "like with like" reconstruction with minimal donor-site morbidity. PMID- 29218850 TI - Characterization of auxin transporter PIN6 plasma membrane targeting reveals a function for PIN6 in plant bolting. AB - Auxin gradients are sustained by series of influx and efflux carriers whose subcellular localization is sensitive to both exogenous and endogenous factors. Recently the localization of the Arabidopsis thaliana auxin efflux carrier PIN FORMED (PIN) 6 was reported to be tissue-specific and regulated through unknown mechanisms. Here, we used genetic, molecular and pharmacological approaches to characterize the molecular mechanism(s) controlling the subcellular localization of PIN6. PIN6 localizes to endomembrane domains in tissues with low PIN6 expression levels such as roots, but localizes at the plasma membrane (PM) in tissues with increased PIN6 expression such as the inflorescence stem and nectary glands. We provide evidence that this dual localization is controlled by PIN6 phosphorylation and demonstrate that PIN6 is phosphorylated by mitogen-activated protein kinases (MAPKs) MPK4 and MPK6. The analysis of transgenic plants expressing PIN6 at PM or in endomembrane domains reveals that PIN6 subcellular localization is critical for Arabidopsis inflorescence stem elongation post flowering (bolting). In line with a role for PIN6 in plant bolting, inflorescence stems elongate faster in pin6 mutant plants than in wild-type plants. We propose that PIN6 subcellular localization is under the control of developmental signals acting on tissue-specific determinants controlling PIN6-expression levels and PIN6 phosphorylation. PMID- 29218851 TI - Clinical experience with the BCL2-inhibitor venetoclax in combination therapy for relapsed and refractory acute myeloid leukemia and related myeloid malignancies. AB - INTRODUCTION: Venetoclax (VEN), a selective BCL2 inhibitor, has single-agent activity in relapsed and refractory (R/R) acute myeloid leukemia (AML), and efficacy in lower intensity combinations for treatment-naive elderly AML patients. VEN treatment combinations in R/R AML have not been previously reported. METHODS: All R/R myeloid patients (including AML, myelodysplastic syndrome (MDS), and blastic plasmacytoid dendritic cell neoplasm (BPDCN)) treated with VEN combinations in the salvage setting were reviewed. RESULTS: Forty-three patients with median age 68 (range, 25-83) were treated for AML (91%), MDS (5%), or BPDCN (5%). Most (n = 36, 84%) were >= salvage-2 treatment status, including prior hypomethylating agent (HMA) in 77%. In combination with VEN, most patients received HMA therapy (n = 31, 72%); eight (19%) received low-dose cytarabine (LDAC). Patients received a median of 2 treatment cycles (range, 1-4). Objective response was observed in 9 (21%) patients, including 2 complete responses (CR), 3 CRi, and 4 morphologic leukemia-free state (MLFS). Median survival was 3.0 months (range, 0.5-8.0), and estimated 6-month survival was 24%. Responses were observed in five (24%) of 21 patients with intermediate-risk cytogenetics, 3 (27%) of 11 IDH1/2-mutant, and 4 (50%) of 8 RUNX1-mutated patients. Two (20%) of 10 TP53 mutated patients responded; both had concurrent RUNX1 mutations. Of the 3 (15%) responding patients with adverse cytogenetics, all had concurrent RUNX1 mutations. CONCLUSION: Low-intensity chemotherapy, including HMAs or LDAC, in combination with VEN is a viable salvage option, even in multiply relapsed/refractory patients with AML, MDS, and BPDCN. Notable responses were identified in patients with diploid/intermediate cytogenetics, RUNX1, and/or IDH1/2 mutations. PMID- 29218852 TI - Psychotic conversion of individuals at ultra-high risk for psychosis: The potential roles of schizotypy and basic symptoms. AB - AIM: To improve strategies for the early identification of individuals at a heightened risk for the development of psychosis, we investigated the relationships and interactions between 3 psychosis-proneness dimensions for the development of schizophrenia spectrum psychosis: schizotypy, basic symptoms and the ultra-high risk (UHR) criteria. METHODS: Seventy-seven UHR individuals and 79 healthy controls were assessed for schizotypy and basic symptoms using self report questionnaires at baseline. UHR participants were monthly assessed for conversion to psychosis over a mean period of 25.8 months. RESULTS: Sixteen UHR participants (20.8%) converted to schizophrenia spectrum psychosis. In stepwise Cox regression, the interaction between basic symptoms and physical anhedonia was selected as a sole predictor of conversion in UHR participants, whereby the self reported number of the 8 basic symptoms significantly increased the risk for conversion in those with pronounced physical anhedonia. CONCLUSION: Our findings suggest that questionnaire-assessed basic symptoms, irrespective of their predictive validity, may predict a psychotic breakdown in pre-identified UHR individuals who are with genetic vulnerability to schizophrenia. Including all 3 psychosis-proneness dimensions into prediction models might help establish a more valid pathogenetic model of schizophrenia, and moreover, may provide some clues about course alteration strategies in hopes of preventing UHR individuals from converting to psychosis. PMID- 29218853 TI - RNA-sequencing identifies novel GREB1-NCOA2 fusion gene in a uterine sarcoma with the chromosomal translocation t(2;8)(p25;q13). AB - Sarcomas account for 3% of all uterine malignancies and many of them are characterized by acquired, specific fusion genes whose detection has increased pathogenetic knowledge and diagnostic precision. We describe a novel fusion gene, GREB1-NCOA2, detected by transcriptome sequencing and validated by reverse transcriptase polymerase chain reaction and Sanger sequencing in an undifferentiated uterine sarcoma. The chimeric transcript was an in-frame fusion between exon 3 of GREB1 and exon 15 of NCOA2. The fusion is reported here for the first time, but it involves the GREB1 gene, an important promoter of tumor growth and progression, and NCOA2 which is known to be involved in transcriptional regulation. The alteration and recombination of these genes played a role in the tumorigenesis and/or progression of this sarcoma. PMID- 29218854 TI - Achieving Nearly 30% External Quantum Efficiency for Orange-Red Organic Light Emitting Diodes by Employing Thermally Activated Delayed Fluorescence Emitters Composed of 1,8-Naphthalimide-Acridine Hybrids. AB - The combination of rigid acridine donor and 1,8-naphthalimide acceptor has afforded two orange-red emitters of NAI-DMAC and NAI-DPAC with high rigidity in molecular structure and strongly pretwisted charge transfer state. Endowed with high photoluminescence quantum yields (PhiPL ), distinct thermally activated delayed fluorescence (TADF) characteristics, and preferentially horizontal emitting dipole orientations, these emitters afford record-high orange-red TADF organic light-emitting diodes (OLEDs) with external quantum efficiencies of up to 21-29.2%, significantly surpassing all previously reported orange-to-red TADF OLEDs. Notably, the influence of microcavity effect is verified to support the record-high efficiency. This finding relaxes the usually stringent material requirements for effective TADF emitters by comprising smaller radiative transition rates and less than ideal PhiPL s. PMID- 29218855 TI - Effects of prior exposure to antibiotics on bacterial adaptation to phages. AB - Understanding adaptation to complex environments requires information about how exposure to one selection pressure affects adaptation to others. For bacteria, antibiotics and viral parasites (phages) are two of the most common selection pressures and are both relevant for treatment of bacterial infections: increasing antibiotic resistance is generating significant interest in using phages in addition or as an alternative to antibiotics. However, we lack knowledge of how exposure to antibiotics affects bacterial responses to phages. Specifically, it is unclear how the negative effects of antibiotics on bacterial population growth combine with any possible mutagenic effects or physiological responses to influence adaptation to other stressors such as phages, and how this net effect varies with antibiotic concentration. Here, we experimentally addressed the effect of pre-exposure to a wide range of antibiotic concentrations on bacterial responses to phages. Across 10 antibiotics, we found a strong association between their effects on bacterial population size and subsequent population growth in the presence of phages (which in these conditions indicates phage-resistance evolution). We detected some evidence of mutagenesis among populations treated with fluoroquinolones and beta-lactams at sublethal doses, but these effects were small and not consistent across phage treatments. These results show that, although stressors such as antibiotics can boost adaptation to other stressors at low concentrations, these effects are weak compared to the effect of reduced population growth at inhibitory concentrations, which in our experiments strongly reduced the likelihood of subsequent phage-resistance evolution. PMID- 29218856 TI - Preparation of fluoride-loaded microcapsules for anticariogenic bacterial growth using a coaxial ultrasonic atomizer. AB - A new method to deliver fluoride using biodegradable poly(lactic-co-glycolic acid) microcapsules to suppress cariogenic bacterial growth during orthodontic treatment was investigated. A coaxial ultrasonic atomizer was used to encapsulate KF solution into microcapsules. The orthodontic adhesive resin disk containing fluoride loaded microcapsules (DFLM) was prepared by LED light curing. The microstructure of microcapsules, successful loading of KF, fracture strength, and shear bonding strength were assessed by FE-SEM, confocal laser scanning microscope, and general purpose testing machine, respectively. Fluoride release from the DFLM in phosphate buffered saline and pH changes were measured after different periods of soaking time. Antibacterial activity of the DFLM was assessed in tryptic soy broth containing mutant streptococci. The starting inoculum and the orthodontic resin disk containing microcapsules not loaded with KF were used as negative and positive controls, respectively. As results, the cumulative amount of KF after 49 days was about 85% of the initial amount of fluoride contained in the microcapsules. The fracture and shear bonding strengths of the orthodontic resin disks with and without the microcapsules were similar to each other. The DFLM showed lower bacterial growth than the control groups, whereas no statistically significant differences were found between the negative and positive controls. It can be concluded that the microcapsules loaded with fluoride prepared by a coaxial ultrasonic atomizer have good potential for application as an antibacterial agent due to their excellent cariogenic antibacterial activity when incorporated into orthodontic adhesive resin. (c) 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 31 39, 2018. PMID- 29218857 TI - The combined effect of thermal and chemotherapy on HeLa cells using magnetically actuated smart textured fibrous system. AB - Thermal therapy combined with chemotherapy is one of the advanced and efficient methods to eradicate cancer. In this work, we fabricated magnetically actuated smart textured (MAST) fibrous systems and studied their candidacy for cancer treatment. The polycaprolactone-Fe3 O4 based MAST fibers were fabricated using electrospinning technique. These MAST fibrous systems contained carbogenic quantum dots as a tracking agent and doxorubicin hydrochloride anticancer drug. Additionally, as fabricated MAST fibrous systems were able to deliver anticancer drug and heat energy simultaneously to kill HeLa cells in a 10 min period in vitro. After treatment, the metabolic activity and morphology of HeLa cells were analyzed. In addition, the mechanism of cell death was studied using flow cytometry. Interestingly, the navigation of these systems in the fluid can be controlled with the application of gradient magnetic field. (c) 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 40-51, 2018. PMID- 29218858 TI - In vitro and in vivo study of commercial calcium phosphate cement HydroSetTM. AB - The commercial calcium phosphate cement, HydroSetTM, was investigated in vitro, studying phase formation, compressive strength and setting time, followed by an ovine in vivo study to measure osseointegration, bone apposition and bone-to graft contact. The X-ray diffraction and 31 P Magic Angle Spinning Nuclear Magnetic Resonance (MAS NMR) results showed the initial formation of octacalcium phosphate and hydroxyapatite at one hour. Over 7 days the octacalcium phosphate transformed to apatite, which was the only crystalline phase of the cement at 28 days. This apatite phase is thought to be a calcium deficient apatite. In the scanning electron microscopy, histological images of 12-week ovine in vivo results showed a high degree of osseointegration, 92.5%. Compressive strength comparisons between in vitro and in vivo measurements showed a dramatic difference between the in vitro measurements (highest 25.4 MPa) and in vivo (95 MPa), attributed to bone ingrowth into the cement in vivo. To the best of our knowledge this is the first time phase evolution of HydroSetTM and the properties studied in vitro complement the in vivo evaluation of the cement in a publication. The significance of the new finding of initial formation of octacalcium phosphate in this cement is discussed. (c) 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 21-30, 2018. PMID- 29218859 TI - Looking for new approaches for the use of serology in the context of control programmes against pig salmonellosis. AB - Most swine Salmonella national control programmes in Europe have been based on the categorization of herds according to risk levels based on serological results. However, none of the non-Scandinavian countries have reported of any significant success on Salmonella infection reduction in fattening pigs or the number of human cases attributable to pigs or pork. The limited accuracy of the tests used, the small number of animals sampled and the likely lack of herd representativeness of the samples used could be major factors affecting the suitability of these programmes. Focusing on minimizing Salmonella shedding at slaughter appears more important to prevent human infections than focusing on detection of seropositive pigs/herds at this stage. This study assessed whether performing on-farm serology may help to predict shedding at slaughter. Between 2010 and 2016, pigs from six cohorts from a Salmonella-positive herd were bled at 30, 60 and 90 days on fattening and before slaughter, and faecal samples collected at slaughter. Serology on days 60, 90 and before slaughter predicted somewhat shedding at slaughter with no significant differences among them. Pigs with higher OD% values at these point times would have higher risk of shedding when arriving to slaughter. The probability of shedding for a pig sampled on day 90 and showing an OD% value of 10 was 43%, and the risk increased up to 65% if the OD% was 40. Concluding, on-farm serology may help to determine to some extent the risk of Salmonella shedding at slaughter from seropositive fattening units, which would allow for prompt on-farm and slaughter interventions to reduce the likelihood of slaughter contamination with Salmonella. PMID- 29218860 TI - 32nd International Epilepsy Congress Barcelona, Spain 2nd - 6th September 2017. PMID- 29218861 TI - Comparative expression patterns of Sox2 and Sox19 genes in the forebrain of developing and adult turbot (Scophthalmus maximus). AB - The turbot, Scophthalmus maximus, belongs to the flatfishes (order Pleuronectiformes), which display substantial asymmetry of the olfactory organs and forebrain. Sox genes code for SRY-related HMG domain-bearing transcription factors involved in various developmental processes. Group B1 Sox genes as Sox2 and Sox19 appear to play major roles in neural development. Here, we characterized by in situ hybridization the developmental expression of Sox2 and Sox19 genes in metamorphic and postmetamorphic specimens and young adults of both sexes. Expression of S. maximus Sox2 (Sm-Sox2) and Sm-Sox19 mRNAs was detected in ependymal cells of different regions of the telencephalon, preoptic region, hypothalamus, and thalamus at all stages investigated. Sm-Sox2 expression but not Sm-Sox19 occurred in neurons located in particular regions such as the dorsal nucleus of the ventral telencephalon, the medial zone of the dorsal telencephalon, preoptic area and hypothalamus. Although Sm-Sox2 and Sm-Sox19 are expressed differentially in gonads, no sex differences in their expression were observed between male and female forebrains. We also investigated the topographical relation between Sox expression and cell proliferation using series double immunostained for a radial glial marker (BLBP) and cell proliferation marker (PCNA). Sm-Sox2 and Sm-Sox19 were strongly expressed in ependymal cells located in neurogenic niches revealed by the BLBP and PCNA immunostaining. Comparison with other teleosts indicates similar expression of Sox2 and Sox19 in the telencephalon, supporting conserved roles for both genes in teleost brains. PMID- 29218862 TI - The presence and distribution of cannabinoid type 1 and 2 receptors in the mandibular gland: The influence of different physical forms of diets on their expression in piglets. AB - We explored the expression and cell type distribution of cannabinoid receptors type 1 (CB1) and cannabinoid receptors type 2 (CB2) in the mandibular glands of pigs in relation to different physical forms of the diet. Thirty-two crossbred growing pigs (ages 5-6 weeks) were randomly allotted to four experimental groups (eight pigs/group) and fed four different physical types of the same diet for 4 weeks: finely ground pellet (FP), coarsely ground meal (CM), coarsely ground pellet (CP) and coarsely ground extruded (CE) with dMEAN of 0.46, 0.88, 0.84 and 0.66 mm respectively. At the end of the feeding trial, the pigs were euthanized and the mandibular gland was collected after dissection. By immunohistochemistry, positive signals for CB1 were found in the cytoplasm of duct epithelial cells of pigs fed CP, FP and CE diets and in the serous cells of mixed acini in pigs fed the coarser CM diet. Positive signals for CB2 were detected in duct epithelial cells and in neurons of ganglia close to major secretory ducts of all pigs. The differential expression and localization of these receptors in response to variable chewing activity due to the type of diet suggest that endocannabinoids may influence the functional activity of the mandibular gland by modifying qualitative and/or quantitative aspects of salivary secretion. PMID- 29218863 TI - Population structure and migration of the Tobacco Blue Mold Pathogen, Peronospora tabacina, into North America and Europe. AB - : Tobacco blue mold, caused by Peronospora tabacina, is an oomycete plant pathogen that causes yearly epidemics in tobacco (Nicotiana tabacum) in the United States and Europe. The genetic structure of P. tabacina was examined to understand genetic diversity, population structure and patterns of migration. Two nuclear loci, Igs2 and Ypt1, and one mitochondrial locus, cox2, were amplified, cloned and sequenced from fifty-four isolates of P. tabacina from the United States, Central America-Caribbean-Mexico (CCAM), Europe and the Middle East (EULE). Cloned sequences from the three genes showed high genetic variability across all populations. Nucleotide diversity and the population mean mutation parameter per site (Watterson's theta) were higher in EULE and CCAM and lower in U.S. POPULATIONS: Neutrality tests were significant and the equilibrium model of neutral evolution was rejected, indicating an excess of recent mutations or rare alleles. Hudson's Snn tests were performed to examine population subdivision and gene flow among populations. An isolation-with-migration analysis (IM) supported the hypothesis of long-distance migration of P. tabacina from the Caribbean region, Florida and Texas into other states in the United States. Within the European populations, the model documented migration from North Central Europe into western Europe and Lebanon, and migration from western Europe into Lebanon. The migration patterns observed support historical observations about the first disease introductions and movement in Europe. The models developed are applicable to other aerial dispersed emerging pathogens and document that high-evolutionary risk plant pathogens can move over long distances to cause disease due to their large effective population size, population expansion and dispersal. PMID- 29218864 TI - APPLICATIONS OF GENETICS, GENOMICS AND BIOINFORMATICS IN DRUG DISCOVERY. AB - As the impact of genetics, genomics, and bioinformatics on drug discovery has been increasingly recognized, this session of the 2018 Pacific Symposium on Biocomputing (PSB) aims to facilitate scientific discussions between academia and pharmaceutical industry on how to best apply genetics, genomics and bioinformatics to enable drug discovery. The selected papers focus on developing and applying computational approaches to understand drug mechanisms of action and develop drug combination strategies, to enable in silico drug screening, and to further delineate disease pathways for target identification and validation. PMID- 29218865 TI - Characterization of drug-induced splicing complexity in prostate cancer cell line using long read technology. AB - We characterize the transcriptional splicing landscape of a prostate cancer cell line treated with a previously identified synergistic drug combination. We use a combination of third generation long-read RNA sequencing technology and short read RNAseq to create a high-fidelity map of expressed isoforms and fusions to quantify splicing events triggered by treatment. We find strong evidence for drug induced, coherent splicing changes which disrupt the function of oncogenic proteins, and detect novel transcripts arising from previously unreported fusion events. PMID- 29218866 TI - Prediction of protein-ligand interactions from paired protein sequence motifs and ligand substructures. AB - Identification of small molecule ligands that bind to proteins is a critical step in drug discovery. Computational methods have been developed to accelerate the prediction of protein-ligand binding, but often depend on 3D protein structures. As only a limited number of protein 3D structures have been resolved, the ability to predict protein-ligand interactions without relying on a 3D representation would be highly valuable. We use an interpretable confidence-rated boosting algorithm to predict protein-ligand interactions with high accuracy from ligand chemical substructures and protein 1D sequence motifs, without relying on 3D protein structures. We compare several protein motif definitions, assess generalization of our model's predictions to unseen proteins and ligands, demonstrate recovery of well established interactions and identify globally predictive protein-ligand motif pairs. By bridging biological and chemical perspectives, we demonstrate that it is possible to predict protein-ligand interactions using only motif-based features and that interpretation of these features can reveal new insights into the molecular mechanics underlying each interaction. Our work also lays a foundation to explore more predictive feature sets and sophisticated machine learning approaches as well as other applications, such as predicting unintended interactions or the effects of mutations. PMID- 29218867 TI - Cell-specific prediction and application of drug-induced gene expression profiles. AB - Gene expression profiling of in vitro drug perturbations is useful for many biomedical discovery applications including drug repurposing and elucidation of drug mechanisms. However, limited data availability across cell types has hindered our capacity to leverage or explore the cell-specificity of these perturbations. While recent efforts have generated a large number of drug perturbation profiles across a variety of human cell types, many gaps remain in this combinatorial drug-cell space. Hence, we asked whether it is possible to fill these gaps by predicting cell-specific drug perturbation profiles using available expression data from related conditions--i.e. from other drugs and cell types. We developed a computational framework that first arranges existing profiles into a three-dimensional array (or tensor) indexed by drugs, genes, and cell types, and then uses either local (nearest-neighbors) or global (tensor completion) information to predict unmeasured profiles. We evaluate prediction accuracy using a variety of metrics, and find that the two methods have complementary performance, each superior in different regions in the drug-cell space. Predictions achieve correlations of 0.68 with true values, and maintain accurate differentially expressed genes (AUC 0.81). Finally, we demonstrate that the predicted profiles add value for making downstream associations with drug targets and therapeutic classes. PMID- 29218868 TI - Large-scale integration of heterogeneous pharmacogenomic data for identifying drug mechanism of action. AB - A variety of large-scale pharmacogenomic data, such as perturbation experiments and sensitivity profiles, enable the systematical identification of drug mechanism of actions (MoAs), which is a crucial task in the era of precision medicine. However, integrating these complementary pharmacogenomic datasets is inherently challenging due to the wild heterogeneity, high-dimensionality and noisy nature of these datasets. In this work, we develop Mania, a novel method for the scalable integration of large-scale pharmacogenomic data. Mania first constructs a drug-drug similarity network through integrating multiple heterogeneous data sources, including drug sensitivity, drug chemical structure, and perturbation assays. It then learns a compact vector representation for each drug to simultaneously encode its structural and pharmacogenomic properties. Extensive experiments demonstrate that Mania achieves substantially improved performance in both MoAs and targets prediction, compared to predictions based on individual data sources as well as a state-of-the-art integrative method. Moreover, Mania identifies drugs that target frequently mutated cancer genes, which provides novel insights into drug repurposing. PMID- 29218869 TI - Chemical reaction vector embeddings: towards predicting drug metabolism in the human gut microbiome. AB - Bacteria in the human gut have the ability to activate, inactivate, and reactivate drugs with both intended and unintended effects. For example, the drug digoxin is reduced to the inactive metabolite dihydrodigoxin by the gut Actinobacterium E. lenta, and patients colonized with high levels of drug metabolizing strains may have limited response to the drug. Understanding the complete space of drugs that are metabolized by the human gut microbiome is critical for predicting bacteria-drug relationships and their effects on individual patient response. Discovery and validation of drug metabolism via bacterial enzymes has yielded >50 drugs after nearly a century of experimental research. However, there are limited computational tools for screening drugs for potential metabolism by the gut microbiome. We developed a pipeline for comparing and characterizing chemical transformations using continuous vector representations of molecular structure learned using unsupervised representation learning. We applied this pipeline to chemical reaction data from MetaCyc to characterize the utility of vector representations for chemical reaction transformations. After clustering molecular and reaction vectors, we performed enrichment analyses and queries to characterize the space. We detected enriched enzyme names, Gene Ontology terms, and Enzyme Consortium (EC) classes within reaction clusters. In addition, we queried reactions against drug-metabolite transformations known to be metabolized by the human gut microbiome. The top results for these known drug transformations contained similar substructure modifications to the original drug pair. This work enables high throughput screening of drugs and their resulting metabolites against chemical reactions common to gut bacteria. PMID- 29218871 TI - Extracting a biologically relevant latent space from cancer transcriptomes with variational autoencoders. AB - The Cancer Genome Atlas (TCGA) has profiled over 10,000 tumors across 33 different cancer-types for many genomic features, including gene expression levels. Gene expression measurements capture substantial information about the state of each tumor. Certain classes of deep neural network models are capable of learning a meaningful latent space. Such a latent space could be used to explore and generate hypothetical gene expression profiles under various types of molecular and genetic perturbation. For example, one might wish to use such a model to predict a tumor's response to specific therapies or to characterize complex gene expression activations existing in differential proportions in different tumors. Variational autoencoders (VAEs) are a deep neural network approach capable of generating meaningful latent spaces for image and text data. In this work, we sought to determine the extent to which a VAE can be trained to model cancer gene expression, and whether or not such a VAE would capture biologically-relevant features. In the following report, we introduce a VAE trained on TCGA pan-cancer RNA-seq data, identify specific patterns in the VAE encoded features, and discuss potential merits of the approach. We name our method "Tybalt" after an instigative, cat-like character who sets a cascading chain of events in motion in Shakespeare's "Romeo and Juliet". From a systems biology perspective, Tybalt could one day aid in cancer stratification or predict specific activated expression patterns that would result from genetic changes or treatment effects. PMID- 29218870 TI - Loss-of-function of neuroplasticity-related genes confers risk for human neurodevelopmental disorders. AB - High and increasing prevalence of neurodevelopmental disorders place enormous personal and economic burdens on society. Given the growing realization that the roots of neurodevelopmental disorders often lie in early childhood, there is an urgent need to identify childhood risk factors. Neurodevelopment is marked by periods of heightened experience-dependent neuroplasticity wherein neural circuitry is optimized by the environment. If these critical periods are disrupted, development of normal brain function can be permanently altered, leading to neurodevelopmental disorders. Here, we aim to systematically identify human variants in neuroplasticity-related genes that confer risk for neurodevelopmental disorders. Historically, this knowledge has been limited by a lack of techniques to identify genes related to neurodevelopmental plasticity in a high-throughput manner and a lack of methods to systematically identify mutations in these genes that confer risk for neurodevelopmental disorders. Using an integrative genomics approach, we determined loss-of-function (LOF) variants in putative plasticity genes, identified from transcriptional profiles of brain from mice with elevated plasticity, that were associated with neurodevelopmental disorders. From five shared differentially expressed genes found in two mouse models of juvenile-like elevated plasticity (juvenile wild-type or adult Lynx1-/- relative to adult wild-type) that were also genotyped in the Mount Sinai BioMe Biobank we identified multiple associations between LOF genes and increased risk for neurodevelopmental disorders across 10,510 patients linked to the Mount Sinai Electronic Medical Records (EMR), including epilepsy and schizophrenia. This work demonstrates a novel approach to identify neurodevelopmental risk genes and points toward a promising avenue to discover new drug targets to address the unmet therapeutic needs of neurodevelopmental disease. PMID- 29218872 TI - Diffusion mapping of drug targets on disease signaling network elements reveals drug combination strategies. AB - The emergence of drug resistance to traditional chemotherapy and newer targeted therapies in cancer patients is a major clinical challenge. Reactivation of the same or compensatory signaling pathways is a common class of drug resistance mechanisms. Employing drug combinations that inhibit multiple modules of reactivated signaling pathways is a promising strategy to overcome and prevent the onset of drug resistance. However, with thousands of available FDA-approved and investigational compounds, it is infeasible to experimentally screen millions of possible drug combinations with limited resources. Therefore, computational approaches are needed to constrain the search space and prioritize synergistic drug combinations for preclinical studies. In this study, we propose a novel approach for predicting drug combinations through investigating potential effects of drug targets on disease signaling network. We first construct a disease signaling network by integrating gene expression data with disease-associated driver genes. Individual drugs that can partially perturb the disease signaling network are then selected based on a drug-disease network "impact matrix", which is calculated using network diffusion distance from drug targets to signaling network elements. The selected drugs are subsequently clustered into communities (subgroups), which are proposed to share similar mechanisms of action. Finally, drug combinations are ranked according to maximal impact on signaling sub networks from distinct mechanism-based communities. Our method is advantageous compared to other approaches in that it does not require large amounts drug dose response data, drug-induced "omics" profiles or clinical efficacy data, which are not often readily available. We validate our approach using a BRAF-mutant melanoma signaling network and combinatorial in vitro drug screening data, and report drug combinations with diverse mechanisms of action and opportunities for drug repositioning. PMID- 29218873 TI - Session Introduction: Challenges of Pattern Recognition in Biomedical Data. AB - The analysis of large biomedical data often presents with various challenges related to not just the size of the data, but also to data quality issues such as heterogeneity, multidimensionality, noisiness, and incompleteness of the data. The data-intensive nature of computational genomics problems in biomedical informatics warrants the development and use of massive computer infrastructure and advanced software tools and platforms, including but not limited to the use of cloud computing. Our session aims to address these challenges in handling big data for designing a study, performing analysis, and interpreting outcomes of these analyses. These challenges have been prevalent in many studies including those which focus on the identification of novel genetic variant-phenotype associations using data from sources like Electronic Health Records (EHRs) or multi-omic data. One of the biggest challenges to focus on is the imperfect nature of the biomedical data where a lot of noise and sparseness is observed. In our session, we will present research articles that can help in identifying innovative ways to recognize and overcome newly arising challenges associated with pattern recognition in biomedical data. PMID- 29218874 TI - Large-scale analysis of disease pathways in the human interactome. AB - Discovering disease pathways, which can be defined as sets of proteins associated with a given disease, is an important problem that has the potential to provide clinically actionable insights for disease diagnosis, prognosis, and treatment. Computational methods aid the discovery by relying on protein-protein interaction (PPI) networks. They start with a few known disease-associated proteins and aim to find the rest of the pathway by exploring the PPI network around the known disease proteins. However, the success of such methods has been limited, and failure cases have not been well understood. Here we study the PPI network structure of 519 disease pathways. We find that 90% of pathways do not correspond to single well-connected components in the PPI network. Instead, proteins associated with a single disease tend to form many separate connected components/regions in the network. We then evaluate state-of-the-art disease pathway discovery methods and show that their performance is especially poor on diseases with disconnected pathways. Thus, we conclude that network connectivity structure alone may not be sufficient for disease pathway discovery. However, we show that higher-order network structures, such as small subgraphs of the pathway, provide a promising direction for the development of new methods. PMID- 29218875 TI - Mapping Patient Trajectories using Longitudinal Extraction and Deep Learning in the MIMIC-III Critical Care Database. AB - Electronic Health Records (EHRs) contain a wealth of patient data useful to biomedical researchers. At present, both the extraction of data and methods for analyses are frequently designed to work with a single snapshot of a patient's record. Health care providers often perform and record actions in small batches over time. By extracting these care events, a sequence can be formed providing a trajectory for a patient's interactions with the health care system. These care events also offer a basic heuristic for the level of attention a patient receives from health care providers. We show that is possible to learn meaningful embeddings from these care events using two deep learning techniques, unsupervised autoencoders and long short-term memory networks. We compare these methods to traditional machine learning methods which require a point in time snapshot to be extracted from an EHR. PMID- 29218876 TI - OWL-NETS: Transforming OWL Representations for Improved Network Inference. AB - Our knowledge of the biological mechanisms underlying complex human disease is largely incomplete. While Semantic Web technologies, such as the Web Ontology Language (OWL), provide powerful techniques for representing existing knowledge, well-established OWL reasoners are unable to account for missing or uncertain knowledge. The application of inductive inference methods, like machine learning and network inference are vital for extending our current knowledge. Therefore, robust methods which facilitate inductive inference on rich OWL-encoded knowledge are needed. Here, we propose OWL-NETS (NEtwork Transformation for Statistical learning), a novel computational method that reversibly abstracts OWL-encoded biomedical knowledge into a network representation tailored for network inference. Using several examples built with the Open Biomedical Ontologies, we show that OWL-NETS can leverage existing ontology-based knowledge representations and network inference methods to generate novel, biologically-relevant hypotheses. Further, the lossless transformation of OWL-NETS allows for seamless integration of inferred edges back into the original knowledge base, extending its coverage and completeness. PMID- 29218877 TI - Automated disease cohort selection using word embeddings from Electronic Health Records. AB - Accurate and robust cohort definition is critical to biomedical discovery using Electronic Health Records (EHR). Similar to prospective study designs, high quality EHR-based research requires rigorous selection criteria to designate case/control status particular to each disease. Electronic phenotyping algorithms, which are manually built and validated per disease, have been successful in filling this need. However, these approaches are time-consuming, leading to only a relatively small amount of algorithms for diseases developed. Methodologies that automatically learn features from EHRs have been used for cohort selection as well. To date, however, there has been no systematic analysis of how these methods perform against current gold standards. Accordingly, this paper compares the performance of a state-of-the-art automated feature learning method to extracting research-grade cohorts for five diseases against their established electronic phenotyping algorithms. In particular, we use word2vec to create unsupervised embeddings of the phenotype space within an EHR system. Using medical concepts as a query, we then rank patients by their proximity in the embedding space and automatically extract putative disease cohorts via a distance threshold. Experimental evaluation shows promising results with average F-score of 0.57 and AUC-ROC of 0.98. However, we noticed that results varied considerably between diseases, thus necessitating further investigation and/or phenotype specific refinement of the approach before being readily deployed across all diseases. PMID- 29218878 TI - Functional network community detection can disaggregate and filter multiple underlying pathways in enrichment analyses. AB - Differential expression experiments or other analyses often end in a list of genes. Pathway enrichment analysis is one method to discern important biological signals and patterns from noisy expression data. However, pathway enrichment analysis may perform suboptimally in situations where there are multiple implicated pathways - such as in the case of genes that define subtypes of complex diseases. Our simulation study shows that in this setting, standard overrepresentation analysis identifies many false positive pathways along with the true positives. These false positives hamper investigators' attempts to glean biological insights from enrichment analysis. We develop and evaluate an approach that combines community detection over functional networks with pathway enrichment to reduce false positives. Our simulation study demonstrates that a large reduction in false positives can be obtained with a small decrease in power. Though we hypothesized that multiple communities might underlie previously described subtypes of high-grade serous ovarian cancer and applied this approach, our results do not support this hypothesis. In summary, applying community detection before enrichment analysis may ease interpretation for complex gene sets that represent multiple distinct pathways. PMID- 29218879 TI - An ultra-fast and scalable quantification pipeline for transposable elements from next generation sequencing data. AB - Transposable elements (TEs) are DNA sequences which are capable of moving from one location to another and represent a large proportion (45%) of the human genome. TEs have functional roles in a variety of biological phenomena such as cancer, neurodegenerative disease, and aging. Rapid development in RNA-sequencing technology has enabled us, for the first time, to study the activity of TE at the systems level.However, efficient TE analysis tools are not yet developed. In this work, we developed SalmonTE, a fast and reliable pipeline for the quantification of TEs from RNA-seq data. We benchmarked our tool against TEtranscripts, a widely used TE quantification method, and three other quantification methods using several RNA-seq datasets from Drosophila melanogaster and human cell-line. We achieved 20 times faster execution speed without compromising the accuracy. This pipeline will enable the biomedical research community to quantify and analyze TEs from large amounts of data and lead to novel TE centric discoveries. PMID- 29218880 TI - Causal inference on electronic health records to assess blood pressure treatment targets: an application of the parametric g formula. AB - Hypertension is a major risk factor for ischemic cardiovascular disease and cerebrovascular disease, which are respectively the primary and secondary most common causes of morbidity and mortality across the globe. To alleviate the risks of hypertension, there are a number of effective antihypertensive drugs available. However, the optimal treatment blood pressure goal for antihypertensive therapy remains an area of controversy. The results of the recent Systolic Blood Pressure Intervention Trial (SPRINT) trial, which found benefits for intensive lowering of systolic blood pressure, have been debated for several reasons. We aimed to assess the benefits of treating to four different blood pressure targets and to compare our results to those of SPRINT using a method for causal inference called the parametric g formula. We applied this method to blood pressure measurements obtained from the electronic health records of approximately 200,000 patients who visited the Mount Sinai Hospital in New York, NY. We simulated the effect of four clinically relevant dynamic treatment regimes, assessing the effectiveness of treating to four different blood pressure targets: 150 mmHg, 140 mmHg, 130 mmHg, and 120 mmHg. In contrast to current American Heart Association guidelines and in concordance with SPRINT, we find that targeting 120 mmHg systolic blood pressure is significantly associated with decreased incidence of major adverse cardiovascular events. Causal inference methods applied to electronic methods are a powerful and flexible technique and medicine may benefit from their increased usage. PMID- 29218881 TI - Data-driven advice for applying machine learning to bioinformatics problems. AB - As the bioinformatics field grows, it must keep pace not only with new data but with new algorithms. Here we contribute a thorough analysis of 13 state-of-the art, commonly used machine learning algorithms on a set of 165 publicly available classification problems in order to provide data-driven algorithm recommendations to current researchers. We present a number of statistical and visual comparisons of algorithm performance and quantify the effect of model selection and algorithm tuning for each algorithm and dataset. The analysis culminates in the recommendation of five algorithms with hyperparameters that maximize classifier performance across the tested problems, as well as general guidelines for applying machine learning to supervised classification problems. PMID- 29218882 TI - Improving the explainability of Random Forest classifier - user centered approach. AB - Machine Learning (ML) methods are now influencing major decisions about patient care, new medical methods, drug development and their use and importance are rapidly increasing in all areas. However, these ML methods are inherently complex and often difficult to understand and explain resulting in barriers to their adoption and validation. Our work (RFEX) focuses on enhancing Random Forest (RF) classifier explainability by developing easy to interpret explainability summary reports from trained RF classifiers as a way to improve the explainability for (often non-expert) users. RFEX is implemented and extensively tested on Stanford FEATURE data where RF is tasked with predicting functional sites in 3D molecules based on their electrochemical signatures (features). In developing RFEX method we apply user-centered approach driven by explainability questions and requirements collected by discussions with interested practitioners. We performed formal usability testing with 13 expert and non-expert users to verify RFEX usefulness. Analysis of RFEX explainability report and user feedback indicates its usefulness in significantly increasing explainability and user confidence in RF classification on FEATURE data. Notably, RFEX summary reports easily reveal that one needs very few (from 2-6 depending on a model) top ranked features to achieve 90% or better of the accuracy when all 480 features are used. PMID- 29218883 TI - Tree-based Methods for Characterizing Tumor Density Heterogeneity. AB - Solid lesions emerge within diverse tissue environments making their characterization and diagnosis a challenge. With the advent of cancer radiomics, a variety of techniques have been developed to transform images into quantifiable feature sets producing summary statistics that describe the morphology and texture of solid masses. Relying on empirical distribution summaries as well as grey-level co-occurrence statistics, several approaches have been devised to characterize tissue density heterogeneity. This article proposes a novel decision tree based approach which quantifies the tissue density heterogeneity of a given lesion through its resultant distribution of tree-structured dissimilarity metrics computed with least common ancestor trees under repeated pixel re sampling. The methodology, based on statistics derived from Galton-Watson trees, produces metrics that are minimally correlated with existing features, adding new information to the feature space and improving quantitative characterization of the extent to which a CT image conveys heterogeneous density distribution. We demonstrate its practical application through a diagnostic study of adrenal lesions. Integrating the proposed with existing features identifies classifiers of three important lesion types; malignant from benign (AUC = 0.78), functioning from non-functioning (AUC = 0.93) and calcified from non-calcified (AUC of 1). PMID- 29218885 TI - Democratizing Health Data for Translational Research. AB - There is an expanding and intensive focus on the accessibility, reproducibility, and rigor of basic, clinical, and translational research. This focus complements the need to identify sustainable ways to generate actionable research results that improve human health. The principles and practices of open science offer a promising path to address both issues by facilitating: 1) increased transparency of data and methods which promotes research reproducibility and rigor; and 2) cumulative efficiencies wherein research tools and the output of research are combined to accelerate the delivery of new knowledge. While great strides have been in made in terms of enabling the open science paradigm in the biological sciences, progress in sharing of patient-derived health data has been more moderate. This lack of widespread access to common and well characterized health data is a substantial impediment to the timely, efficient, and multi-disciplinary conduct of translational research, particularly in those instances where hypotheses spanning multiple scales (from molecules to patients to populations) are being developed and tested. To address such challenges, we review current best practices and lessons learned, and explore the need for policy changes and technical innovation that can enhance the sharing of health data for translational research. PMID- 29218884 TI - How powerful are summary-based methods for identifying expression-trait associations under different genetic architectures? AB - Transcriptome-wide association studies (TWAS) have recently been employed as an approach that can draw upon the advantages of genome-wide association studies (GWAS) and gene expression studies to identify genes associated with complex traits. Unlike standard GWAS, summary level data suffices for TWAS and offers improved statistical power. Two popular TWAS methods include either (a) imputing the cis genetic component of gene expression from smaller sized studies (using multi-SNP prediction or MP) into much larger effective sample sizes afforded by GWAS - TWAS-MP or (b) using summary-based Mendelian randomization - TWAS-SMR. Although these methods have been effective at detecting functional variants, it remains unclear how extensive variability in the genetic architecture of complex traits and diseases impacts TWAS results. Our goal was to investigate the different scenarios under which these methods yielded enough power to detect significant expression-trait associations. In this study, we conducted extensive simulations based on 6000 randomly chosen, unrelated Caucasian males from Geisinger's MyCode population to compare the power to detect cis expression-trait associations (within 500 kb of a gene) using the above-described approaches. To test TWAS across varying genetic backgrounds we simulated gene expression and phenotype using different quantitative trait loci per gene and cis-expression /trait heritability under genetic models that differentiate the effect of causality from that of pleiotropy. For each gene, on a training set ranging from 100 to 1000 individuals, we either (a) estimated regression coefficients with gene expression as the response using five different methods: LASSO, elastic net, Bayesian LASSO, Bayesian spike-slab, and Bayesian ridge regression or (b) performed eQTL analysis. We then sampled with replacement 50,000, 150,000, and 300,000 individuals respectively from the testing set of the remaining 5000 individuals and conducted GWAS on each set. Subsequently, we integrated the GWAS summary statistics derived from the testing set with the weights (or eQTLs) derived from the training set to identify expression-trait associations using (a) TWAS-MP (b) TWAS-SMR (c) eQTL-based GWAS, or (d) standalone GWAS. Finally, we examined the power to detect functionally relevant genes using the different approaches under the considered simulation scenarios. In general, we observed great similarities among TWAS-MP methods although the Bayesian methods resulted in improved power in comparison to LASSO and elastic net as the trait architecture grew more complex while training sample sizes and expression heritability remained small. Finally, we observed high power under causality but very low to moderate power under pleiotropy. PMID- 29218886 TI - ClinGen Cancer Somatic Working Group - standardizing and democratizing access to cancer molecular diagnostic data to drive translational research. AB - A growing number of academic and community clinics are conducting genomic testing to inform treatment decisions for cancer patients (1). In the last 3-5 years, there has been a rapid increase in clinical use of next generation sequencing (NGS) based cancer molecular diagnostic (MolDx) testing (2). The increasing availability and decreasing cost of tumor genomic profiling means that physicians can now make treatment decisions armed with patient-specific genetic information. Accumulating research in the cancer biology field indicates that there is significant potential to improve cancer patient outcomes by effectively leveraging this rich source of genomic data in treatment planning (3). To achieve truly personalized medicine in oncology, it is critical to catalog cancer sequence variants from MolDx testing for their clinical relevance along with treatment information and patient outcomes, and to do so in a way that supports large-scale data aggregation and new hypothesis generation. One critical challenge to encoding variant data is adopting a standard of annotation of those variants that are clinically actionable. Through the NIH-funded Clinical Genome Resource (ClinGen) (4), in collaboration with NLM's ClinVar database and >50 academic and industry based cancer research organizations, we developed the Minimal Variant Level Data (MVLD) framework to standardize reporting and interpretation of drug associated alterations (5). We are currently involved in collaborative efforts to align the MVLD framework with parallel, complementary sequence variants interpretation clinical guidelines from the Association of Molecular Pathologists (AMP) for clinical labs (6). In order to truly democratize access to MolDx data for care and research needs, these standards must be harmonized to support sharing of clinical cancer variants. Here we describe the processes and methods developed within the ClinGen's Somatic WG in collaboration with over 60 cancer care and research organizations as well as CLIA-certified, CAP-accredited clinical testing labs to develop standards for cancer variant interpretation and sharing. PMID- 29218887 TI - A heuristic method for simulating open-data of arbitrary complexity that can be used to compare and evaluate machine learning methods. AB - A central challenge of developing and evaluating artificial intelligence and machine learning methods for regression and classification is access to data that illuminates the strengths and weaknesses of different methods. Open data plays an important role in this process by making it easy for computational researchers to easily access real data for this purpose. Genomics has in some examples taken a leading role in the open data effort starting with DNA microarrays. While real data from experimental and observational studies is necessary for developing computational methods it is not sufficient. This is because it is not possible to know what the ground truth is in real data. This must be accompanied by simulated data where that balance between signal and noise is known and can be directly evaluated. Unfortunately, there is a lack of methods and software for simulating data with the kind of complexity found in real biological and biomedical systems. We present here the Heuristic Identification of Biological Architectures for simulating Complex Hierarchical Interactions (HIBACHI) method and prototype software for simulating complex biological and biomedical data. Further, we introduce new methods for developing simulation models that generate data that specifically allows discrimination between different machine learning methods. PMID- 29218888 TI - Identifying natural health product and dietary supplement information within adverse event reporting systems. AB - Data on safety and efficacy issues associated with natural health products and dietary supplements (NHP&S) remains largely cloistered within domain specific databases or embedded within general biomedical data sources. A major challenge in leveraging analytic approaches on such data is due to the inefficient ability to retrieve relevant data, which includes a general lack of interoperability among related sources. This study developed a thesaurus of NHP&S ingredient terms that can be used by existing biomedical natural language processing (NLP) tools for extracting information of interest. This process was evaluated relative to intervention name strings sampled from the United States Food and Drug Administration Adverse Event Reporting System (FAERS). A use case was used to demonstrate the potential to utilize FAERS for monitoring NHP&S adverse events. The results from this study provide insights on approaches for identifying additional knowledge from extant repositories of knowledge, and potentially as information that can be included into larger curation efforts. PMID- 29218889 TI - Best practices and lessons learned from reuse of 4 patient-derived metabolomics datasets in Alzheimer's disease. AB - The importance of open data has been increasingly recognized in recent years. Although the sharing and reuse of clinical data for translational research lags behind best practices in biological science, a number of patient-derived datasets exist and have been published enabling translational research spanning multiple scales from molecular to organ level, and from patients to populations. In seeking to replicate metabolomic biomarker results in Alzheimer's disease our team identified three independent cohorts in which to compare findings. Accessing the datasets associated with these cohorts, understanding their content and provenance, and comparing variables between studies was a valuable exercise in exploring the principles of open data in practice. It also helped inform steps taken to make the original datasets available for use by other researchers. In this paper we describe best practices and lessons learned in attempting to identify, access, understand, and analyze these additional datasets to advance research reproducibility, as well as steps taken to facilitate sharing of our own data. PMID- 29218890 TI - Democratizing data science through data science training. AB - The biomedical sciences have experienced an explosion of data which promises to overwhelm many current practitioners. Without easy access to data science training resources, biomedical researchers may find themselves unable to wrangle their own datasets. In 2014, to address the challenges posed such a data onslaught, the National Institutes of Health (NIH) launched the Big Data to Knowledge (BD2K) initiative. To this end, the BD2K Training Coordinating Center (TCC; bigdatau.org) was funded to facilitate both in-person and online learning, and open up the concepts of data science to the widest possible audience. Here, we describe the activities of the BD2K TCC and its focus on the construction of the Educational Resource Discovery Index (ERuDIte), which identifies, collects, describes, and organizes online data science materials from BD2K awardees, open online courses, and videos from scientific lectures and tutorials. ERuDIte now indexes over 9,500 resources. Given the richness of online training materials and the constant evolution of biomedical data science, computational methods applying information retrieval, natural language processing, and machine learning techniques are required - in effect, using data science to inform training in data science. In so doing, the TCC seeks to democratize novel insights and discoveries brought forth via large-scale data science training. PMID- 29218891 TI - IMAGING GENOMICS. AB - The following sections are included:IntroductionOverview of ContributionsReferences. PMID- 29218892 TI - Heritability estimates on resting state fMRI data using ENIGMA analysis pipeline. AB - Big data initiatives such as the Enhancing NeuroImaging Genetics through Meta Analysis consortium (ENIGMA), combine data collected by independent studies worldwide to achieve more generalizable estimates of effect sizes and more reliable and reproducible outcomes. Such efforts require harmonized image analyses protocols to extract phenotypes consistently. This harmonization is particularly challenging for resting state fMRI due to the wide variability of acquisition protocols and scanner platforms; this leads to site-to-site variance in quality, resolution and temporal signal-to-noise ratio (tSNR). An effective harmonization should provide optimal measures for data of different qualities. We developed a multi-site rsfMRI analysis pipeline to allow research groups around the world to process rsfMRI scans in a harmonized way, to extract consistent and quantitative measurements of connectivity and to perform coordinated statistical tests. We used the single-modality ENIGMA rsfMRI preprocessing pipeline based on modelfree Marchenko-Pastur PCA based denoising to verify and replicate resting state network heritability estimates. We analyzed two independent cohorts, GOBS (Genetics of Brain Structure) and HCP (the Human Connectome Project), which collected data using conventional and connectomics oriented fMRI protocols, respectively. We used seed-based connectivity and dual-regression approaches to show that the rsfMRI signal is consistently heritable across twenty major functional network measures. Heritability values of 20-40% were observed across both cohorts. PMID- 29218893 TI - Discriminative bag-of-cells for imaging-genomics. AB - Connecting genotypes to image phenotypes is crucial for a comprehensive understanding of cancer. To learn such connections, new machine learning approaches must be developed for the better integration of imaging and genomic data. Here we propose a novel approach called Discriminative Bag-of-Cells (DBC) for predicting genomic markers using imaging features, which addresses the challenge of summarizing histopathological images by representing cells with learned discriminative types, or codewords. We also developed a reliable and efficient patch-based nuclear segmentation scheme using convolutional neural networks from which nuclear and cellular features are extracted. Applying DBC on TCGA breast cancer samples to predict basal subtype status yielded a class balanced accuracy of 70% on a separate test partition of 213 patients. As data sets of imaging and genomic data become increasingly available, we believe DBC will be a useful approach for screening histopathological images for genomic markers. Source code of nuclear segmentation and DBC are available at: https://github.com/bchidest/DBC. PMID- 29218894 TI - MRI to MGMT: predicting methylation status in glioblastoma patients using convolutional recurrent neural networks. AB - Glioblastoma Multiforme (GBM), a malignant brain tumor, is among the most lethal of all cancers. Temozolomide is the primary chemotherapy treatment for patients diagnosed with GBM. The methylation status of the promoter or the enhancer regions of the O6-methylguanine methyltransferase (MGMT) gene may impact the efficacy and sensitivity of temozolomide, and hence may affect overall patient survival. Microscopic genetic changes may manifest as macroscopic morphological changes in the brain tumors that can be detected using magnetic resonance imaging (MRI), which can serve as noninvasive biomarkers for determining methylation of MGMT regulatory regions. In this research, we use a compendium of brain MRI scans of GBM patients collected from The Cancer Imaging Archive (TCIA) combined with methylation data from The Cancer Genome Atlas (TCGA) to predict the methylation state of the MGMT regulatory regions in these patients. Our approach relies on a bi-directional convolutional recurrent neural network architecture (CRNN) that leverages the spatial aspects of these 3-dimensional MRI scans. Our CRNN obtains an accuracy of 67% on the validation data and 62% on the test data, with precision and recall both at 67%, suggesting the existence of MRI features that may complement existing markers for GBM patient stratification and prognosis. We have additionally presented our model via a novel neural network visualization platform, which we have developed to improve interpretability of deep learning MRI-based classification models. PMID- 29218895 TI - Deep Integrative Analysis for Survival Prediction. AB - Survival prediction is very important in medical treatment. However, recent leading research is challenged by two factors: 1) the datasets usually come with multi-modality; and 2) sample sizes are relatively small. To solve the above challenges, we developed a deep survival learning model to predict patients' survival outcomes by integrating multi-view data. The proposed network contains two sub-networks, one view-specific and one common sub-network. We designated one CNN-based and one FCN-based sub-network to efficiently handle pathological images and molecular profiles, respectively. Our model first explicitly maximizes the correlation among the views and then transfers feature hierarchies from view commonality and specifically fine-tunes on the survival prediction task. We evaluate our method on real lung and brain tumor data sets to demonstrate the effectiveness of the proposed model using data with multiple modalities across different tumor types. PMID- 29218896 TI - Genotype-phenotype association study via new multi-task learning model. AB - Research on the associations between genetic variations and imaging phenotypes is developing with the advance in high-throughput genotype and brain image techniques. Regression analysis of single nucleotide polymorphisms (SNPs) and imaging measures as quantitative traits (QTs) has been proposed to identify the quantitative trait loci (QTL) via multi-task learning models. Recent studies consider the interlinked structures within SNPs and imaging QTs through group lasso, e.g. l2, 1-norm, leading to better predictive results and insights of SNPs. However, group sparsity is not enough for representing the correlation between multiple tasks and l2, 1-norm regularization is not robust either. In this paper, we propose a new multi-task learning model to analyze the associations between SNPs and QTs. We suppose that low-rank structure is also beneficial to uncover the correlation between genetic variations and imaging phenotypes. Finally, we conduct regression analysis of SNPs and QTs. Experimental results show that our model is more accurate in prediction than compared methods and presents new insights of SNPs. PMID- 29218897 TI - Codon bias among synonymous rare variants is associated with Alzheimer's disease imaging biomarker. AB - Alzheimer's disease (AD) is a neurodegenerative disorder with few biomarkers even though it impacts a relatively large portion of the population and is predicted to affect significantly more individuals in the future. Neuroimaging has been used in concert with genetic information to improve our understanding in relation to how AD arises and how it can be potentially diagnosed. Additionally, evidence suggests synonymous variants can have a functional impact on gene regulatory mechanisms, including those related to AD. Some synonymous codons are preferred over others leading to a codon bias. The bias can arise with respect to codons that are more or less frequently used in the genome. A bias can also result from optimal and non-optimal codons, which have stronger and weaker codon anti-codon interactions, respectively. Although association tests have been utilized before to identify genes associated with AD, it remains unclear how codon bias plays a role and if it can improve rare variant analysis. In this work, rare variants from whole-genome sequencing from the Alzheimer's Disease Neuroimaging Initiative (ADNI) cohort were binned into genes using BioBin. An association analysis of the genes with AD-related neuroimaging biomarker was performed using SKAT-O. While using all synonymous variants we did not identify any genomewide significant associations, using only synonymous variants that affected codon frequency we identified several genes as significantly associated with the imaging phenotype. Additionally, significant associations were found using only rare variants that contains an optimal codon in among minor alleles and a non-optimal codon in the major allele. These results suggest that codon bias may play a role in AD and that it can be used to improve detection power in rare variant association analysis. PMID- 29218898 TI - Building trans-omics evidence: using imaging and 'omics' to characterize cancer profiles. AB - Utilization of single modality data to build predictive models in cancer results in a rather narrow view of most patient profiles. Some clinical facet s relate strongly to histology image features, e.g. tumor stages, whereas others are associated with genomic and proteomic variations (e.g. cancer subtypes and disease aggression biomarkers). We hypothesize that there are coherent "trans omics" features that characterize varied clinical cohorts across multiple sources of data leading to more descriptive and robust disease characterization. In this work, for l 05 breast cancer patients from the TCGA (The Cancer Genome Atlas), we consider four clinical attributes (AJCC Stage, Tumor Stage, ER-Status and PAM50 mRNA Subtypes), and build predictive models using three different modalities of data (histopathological images, transcriptomics and proteomics). Following which, we identify critical multi-level features that drive successful classification of patients for the various different cohorts. To build predictors for each data type, we employ widely used "best practice" techniques including CNN-based (convolutional neural network) classifiers for histopathological images and regression models for proteogenomic data. While, as expected, histology images outperformed molecular features while predicting cancer stages, and transcriptomics held superior discriminatory power for ER-Status and PAM50 subtypes, there exist a few cases where all data modalities exhibited comparable performance. Further, we also identified sets of key genes and proteins whose expression and abundance correlate across each clinical cohort including (i) tumor severity and progression (incl. GABARAP), (ii) ER-status (incl.ESRl) and (iii) disease subtypes (incl. FOXCl). Thus, we quantitatively assess the efficacy of different data types to predict critical breast cancer patient attributes and improve disease characterization. PMID- 29218899 TI - PRECISION MEDICINE: FROM DIPLOTYPES TO DISPARITIES TOWARDS IMPROVED HEALTH AND THERAPIES. AB - Precision medicine research efforts both in basic science discovery and clinical implementation are well underway and promise to provide individualized preventions and treatments, improving overall health care delivery. To achieve these goals, advances in data capture and analysis are needed spanning different types of 'omic and clinical data. The efforts to enhance precise treatments for all may accentuate healthcare disparities unless specific challenges are identified and addressed. This session of the 2018 Pacific Symposium on Biocomputing presents the latest developments in this transdisciplinary research space of genomics, medicine, and population health. PMID- 29218900 TI - Single subject transcriptome analysis to identify functionally signed gene set or pathway activity. AB - Analysis of single-subject transcriptome response data is an unmet need of precision medicine, made challenging by the high dimension, dynamic nature and difficulty in extracting meaningful signals from biological or stochastic noise. We have proposed a method for single subject analysis that uses a mixture model for transcript fold-change clustering from isogenically paired samples, followed by integration of these distributions with Gene Ontology Biological Processes (GO BP) to reduce dimension and identify functional attributes. We then extended these methods to develop functional signing metrics for gene set process regulation by incorporating biological repressor relationships encoded in GO-BP as negatively_regulates edges. Results revealed reproducible and biologically meaningful signals from analysis of a single subject's response, opening the door to future transcriptomic studies where subject and resource availability are currently limiting. We used inbred mouse strains fed different diets to provide isogenic biological replicates, permitting rigorous validation of our method. We compared significant genotype-specific GO-BP term results for overlap and rank order across three replicate pairs per genotype, and cross-methods to reference standards (limma+FET, SAM+FET, and GSEA). All single-subject analytics findings were robust and highly reproducible (median area under the ROC curve=0.96, n=24 genotypes * 3 replicates), providing confidence and validation of this approach for analyses in single subjects. R code is available online at http://www.lussiergroup.org/publications/PathwayActivity. PMID- 29218901 TI - Using simulation and optimization approach to improve outcome through warfarin precision treatment. AB - We apply a treatment simulation and optimization approach to develop decision support guidance for warfarin precision treatment plans. Simulation include the use of ~1,500,000 clinical avatars (simulated patients) generated by an integrated data-driven and domain-knowledge based Bayesian Network Modeling approach. Subsequently, we simulate 30-day individual patient response to warfarin treatment of five clinical and genetic treatment plans followed by both individual and subpopulation based optimization. Sub-population optimization (compared to individual optimization) provides a cost effective and realistic means of implementation of a precision-driven treatment plan in practical settings. In this project, we use the property of minimal entropy to minimize overall adverse risks for the largest possible patient sub-populations and we temper the results by considering both transparency and ease of implementation. Finally, we discuss the improved outcome of the precision treatment plan based on the sub-population optimized decision support rules. PMID- 29218902 TI - Local ancestry transitions modify snp-trait associations. AB - Genomic maps of local ancestry identify ancestry transitions - points on a chromosome where recent recombination events in admixed individuals have joined two different ancestral haplotypes. These events bring together alleles that evolved within separate continential populations, providing a unique opportunity to evaluate the joint effect of these alleles on health outcomes. In this work, we evaluate the impact of genetic variants in the context of nearby local ancestry transitions within a sample of nearly 10,000 adults of African ancestry with traits derived from electronic health records. Genetic data was located using the Metabochip, and used to derive local ancestry. We develop a model that captures the effect of both single variants and local ancestry, and use it to identify examples where local ancestry transitions significantly interact with nearby variants to influence metabolic traits. In our most compelling example, we find that the minor allele of rs16890640 occuring on a European background with a downstream local ancestry transition to African ancestry results in significantly lower mean corpuscular hemoglobin and volume. This finding represents a new way of discovering genetic interactions, and is supported by molecular data that suggest changes to local ancestry may impact local chromatin looping. PMID- 29218903 TI - Coalitional game theory as a promising approach to identify candidate autism genes. AB - Despite mounting evidence for the strong role of genetics in the phenotypic manifestation of Autism Spectrum Disorder (ASD), the specific genes responsible for the variable forms of ASD remain undefined. ASD may be best explained by a combinatorial genetic model with varying epistatic interactions across many small effect mutations. Coalitional or cooperative game theory is a technique that studies the combined effects of groups of players, known as coalitions, seeking to identify players who tend to improve the performance--the relationship to a specific disease phenotype--of any coalition they join. This method has been previously shown to boost biologically informative signal in gene expression data but to-date has not been applied to the search for cooperative mutations among putative ASD genes. We describe our approach to highlight genes relevant to ASD using coalitional game theory on alteration data of 1,965 fully sequenced genomes from 756 multiplex families. Alterations were encoded into binary matrices for ASD (case) and unaffected (control) samples, indicating likely gene-disrupting, inherited mutations in altered genes. To determine individual gene contributions given an ASD phenotype, a "player" metric, referred to as the Shapley value, was calculated for each gene in the case and control cohorts. Sixty seven genes were found to have significantly elevated player scores and likely represent significant contributors to the genetic coordination underlying ASD. Using network and cross-study analysis, we found that these genes are involved in biological pathways known to be affected in the autism cases and that a subset directly interact with several genes known to have strong associations to autism. These findings suggest that coalitional game theory can be applied to large-scale genomic data to identify hidden yet influential players in complex polygenic disorders such as autism. PMID- 29218905 TI - Considerations for automated machine learning in clinical metabolic profiling: Altered homocysteine plasma concentration associated with metformin exposure. AB - With the maturation of metabolomics science and proliferation of biobanks, clinical metabolic profiling is an increasingly opportunistic frontier for advancing translational clinical research. Automated Machine Learning (AutoML) approaches provide exciting opportunity to guide feature selection in agnostic metabolic profiling endeavors, where potentially thousands of independent data points must be evaluated. In previous research, AutoML using high-dimensional data of varying types has been demonstrably robust, outperforming traditional approaches. However, considerations for application in clinical metabolic profiling remain to be evaluated. Particularly, regarding the robustness of AutoML to identify and adjust for common clinical confounders. In this study, we present a focused case study regarding AutoML considerations for using the Tree Based Optimization Tool (TPOT) in metabolic profiling of exposure to metformin in a biobank cohort. First, we propose a tandem rank-accuracy measure to guide agnostic feature selection and corresponding threshold determination in clinical metabolic profiling endeavors. Second, while AutoML, using default parameters, demonstrated potential to lack sensitivity to low-effect confounding clinical covariates, we demonstrated residual training and adjustment of metabolite features as an easily applicable approach to ensure AutoML adjustment for potential confounding characteristics. Finally, we present increased homocysteine with long-term exposure to metformin as a potentially novel, non-replicated metabolite association suggested by TPOT; an association not identified in parallel clinical metabolic profiling endeavors. While warranting independent replication, our tandem rank-accuracy measure suggests homocysteine to be the metabolite feature with largest effect, and corresponding priority for further translational clinical research. Residual training and adjustment for a potential confounding effect by BMI only slightly modified the suggested association. Increased homocysteine is thought to be associated with vitamin B12 deficiency - evaluation for potential clinical relevance is suggested. While considerations for clinical metabolic profiling are recommended, including adjustment approaches for clinical confounders, AutoML presents an exciting tool to enhance clinical metabolic profiling and advance translational research endeavors. PMID- 29218906 TI - Addressing vital sign alarm fatigue using personalized alarm thresholds. AB - Alarm fatigue, a condition in which clinical staff become desensitized to alarms due to the high frequency of unnecessary alarms, is a major patient safety concern. Alarm fatigue is particularly prevalent in the pediatric setting, due to the high level of variation in vital signs with patient age. Existing studies have shown that the current default pediatric vital sign alarm thresholds are inappropriate, and lead to a larger than necessary alarm load. This study leverages a large database containing over 190 patient-years of heart rate data to accurately identify the 1st and 99th percentiles of an individual's heart rate on their first day of vital sign monitoring. These percentiles are then used as personalized vital sign thresholds, which are evaluated by comparing to non default alarm thresholds used in practice, and by using the presence of major clinical events to infer alarm labels. Using the proposed personalized thresholds would decrease low and high heart rate alarms by up to 50% and 44% respectively, while maintaining sensitivity of 62% and increasing specificity to 49%. The proposed personalized vital sign alarm thresholds will reduce alarm fatigue, thus contributing to improved patient outcomes, shorter hospital stays, and reduced hospital costs. PMID- 29218904 TI - Evaluation of PrediXcan for prioritizing GWAS associations and predicting gene expression. AB - Genome-wide association studies (GWAS) have been successful in facilitating the understanding of genetic architecture behind human diseases, but this approach faces many challenges. To identify disease-related loci with modest to weak effect size, GWAS requires very large sample sizes, which can be computational burdensome. In addition, the interpretation of discovered associations remains difficult. PrediXcan was developed to help address these issues. With built in SNP-expression models, PrediXcan is able to predict the expression of genes that are regulated by putative expression quantitative trait loci (eQTLs), and these predicted expression levels can then be used to perform gene-based association studies. This approach reduces the multiple testing burden from millions of variants down to several thousand genes. But most importantly, the identified associations can reveal the genes that are under regulation of eQTLs and consequently involved in disease pathogenesis. In this study, two of the most practical functions of PrediXcan were tested: 1) predicting gene expression, and 2) prioritizing GWAS results. We tested the prediction accuracy of PrediXcan by comparing the predicted and observed gene expression levels, and also looked into some potential influential factors and a filter criterion with the aim of improving PrediXcan performance. As for GWAS prioritization, predicted gene expression levels were used to obtain gene-trait associations, and background regions of significant associations were examined to decrease the likelihood of false positives. Our results showed that 1) PrediXcan predicted gene expression levels accurately for some but not all genes; 2) including more putative eQTLs into prediction did not improve the prediction accuracy; and 3) integrating predicted gene expression levels from the two PrediXcan whole blood models did not eliminate false positives. Still, PrediXcan was able to prioritize GWAS associations that were below the genome-wide significance threshold in GWAS, while retaining GWAS significant results. This study suggests several ways to consider PrediXcan's performance that will be of value to eQTL and complex human disease research. PMID- 29218907 TI - Emergence of pathway-level composite biomarkers from converging gene set signals of heterogeneous transcriptomic responses. AB - Recent precision medicine initiatives have led to the expectation of improved clinical decisionmaking anchored in genomic data science. However, over the last decade, only a handful of new single-gene product biomarkers have been translated to clinical practice (FDA approved) in spite of considerable discovery efforts deployed and a plethora of transcriptomes available in the Gene Expression Omnibus. With this modest outcome of current approaches in mind, we developed a pilot simulation study to demonstrate the untapped benefits of developing disease detection methods for cases where the true signal lies at the pathway level, even if the pathway's gene expression alterations may be heterogeneous across patients. In other words, we relaxed the crosspatient homogeneity assumption from the transcript level (cohort assumptions of deregulated gene expression) to the pathway level (assumptions of deregulated pathway expression). Furthermore, we have expanded previous single-subject (SS) methods into cohort analyses to illustrate the benefit of accounting for an individual's variability in cohort scenarios. We compare SS and cohort-based (CB) techniques under 54 distinct scenarios, each with 1,000 simulations, to demonstrate that the emergence of a pathway-level signal occurs through the summative effect of its altered gene expression, heterogeneous across patients. Studied variables include pathway gene set size, fraction of expressed gene responsive within gene set, fraction of expressed gene responsive up- vs down-regulated, and cohort size. We demonstrated that our SS approach was uniquely suited to detect signals in heterogeneous populations in which individuals have varying levels of baseline risks that are simultaneously confounded by patient-specific "genome -by-environment" interactions (G*E). Area under the precision-recall curve of the SS approach far surpassed that of the CB (1st quartile, median, 3rd quartile: SS = 0.94, 0.96, 0.99; CB= 0.50, 0.52, 0.65). We conclude that single-subject pathway detection methods are uniquely suited for consistently detecting pathway dysregulation by the inclusion of a patient's individual variability. http://www.lussiergroup.org/publications/PathwayMarker/. PMID- 29218908 TI - Analyzing metabolomics data for association with genotypes using two-component Gaussian mixture distributions. AB - Standard approaches to evaluate the impact of single nucleotide polymorphisms (SNP) on quantitative phenotypes use linear models. However, these normal-based approaches may not optimally model phenotypes which are better represented by Gaussian mixture distributions (e.g., some metabolomics data). We develop a likelihood ratio test on the mixing proportions of two-component Gaussian mixture distributions and consider more restrictive models to increase power in light of a priori biological knowledge. Data were simulated to validate the improved power of the likelihood ratio test and the restricted likelihood ratio test over a linear model and a log transformed linear model. Then, using real data from the Framingham Heart Study, we analyzed 20,315 SNPs on chromosome 11, demonstrating that the proposed likelihood ratio test identifies SNPs well known to participate in the desaturation of certain fatty acids. Our study both validates the approach of increasing power by using the likelihood ratio test that leverages Gaussian mixture models, and creates a model with improved sensitivity and interpretability. PMID- 29218909 TI - Reading Between the Genes: Computational Models to Discover Function from Noncoding DNA. AB - Noncoding DNA - once called "junk" has revealed itself to be full of function. Technology development has allowed researchers to gather genome-scale data pointing towards complex regulatory regions, expression and function of noncoding RNA genes, and conserved elements. Variation in these regions has been tied to variation in biological function and human disease. This PSB session tackles the problem of handling, analyzing and interpreting the data relating to variation in and interactions between noncoding regions through computational biology. We feature an invited speaker to how variation in transcription factor coding sequences impacts on sequence preference, along with submitted papers that span graph based methods, integrative analyses, machine learning, and dimension reduction to explore questions of basic biology, cancer, diabetes, and clinical relevance. PMID- 29218910 TI - Pan-cancer analysis of expressed somatic nucleotide variants in long intergenic non-coding RNA. AB - Long intergenic non-coding RNAs have been shown to play important roles in cancer. However, because lincRNAs are a relatively new class of RNAs compared to protein-coding mRNAs, the mutational landscape of lincRNAs has not been as extensively studied. Here we characterize expressed somatic nucleotide variants within lincRNAs using 12 cancer RNA-Seq datasets in TCGA. We build machine learning models to discriminate somatic variants from germline variants within lincRNA regions (AUC 0.987). We build another model to differentiate lincRNA somatic mutations from background regions (AUC 0.72) and find several molecular features that are strongly associated with lincRNA mutations, including copy number variation, conservation, substitution type and histone marker features. PMID- 29218911 TI - Convergent downstream candidate mechanisms of independent intergenic polymorphisms between co-classified diseases implicate epistasis among noncoding elements. AB - Eighty percent of DNA outside protein coding regions was shown biochemically functional by the ENCODE project, enabling studies of their interactions. Studies have since explored how convergent downstream mechanisms arise from independent genetic risks of one complex disease. However, the cross-talk and epistasis between intergenic risks associated with distinct complex diseases have not been comprehensively characterized. Our recent integrative genomic analysis unveiled downstream biological effectors of disease-specific polymorphisms buried in intergenic regions, and we then validated their genetic synergy and antagonism in distinct GWAS. We extend this approach to characterize convergent downstream candidate mechanisms of distinct intergenic SNPs across distinct diseases within the same clinical classification. We construct a multipartite network consisting of 467 diseases organized in 15 classes, 2,358 disease-associated SNPs, 6,301 SNPassociated mRNAs by eQTL, and mRNA annotations to 4,538 Gene Ontology mechanisms. Functional similarity between two SNPs (similar SNP pairs) is imputed using a nested information theoretic distance model for which p-values are assigned by conservative scale-free permutation of network edges without replacement (node degrees constant). At FDR<=5%, we prioritized 3,870 intergenic SNP pairs associated, among which 755 are associated with distinct diseases sharing the same disease class, implicating 167 intergenic SNPs, 14 classes, 230 mRNAs, and 134 GO terms. Co-classified SNP pairs were more likely to be prioritized as compared to those of distinct classes confirming a noncoding genetic underpinning to clinical classification (odds ratio ~3.8; p<=10-25). The prioritized pairs were also enriched in regions bound to the same/interacting transcription factors and/or interacting in long-range chromatin interactions suggestive of epistasis (odds ratio ~ 2,500; p<=10-25). This prioritized network implicates complex epistasis between intergenic polymorphisms of co-classified diseases and offers a roadmap for a novel therapeutic paradigm: repositioning medications that target proteins within downstream mechanisms of intergenic disease-associated SNPs. Supplementary information and software: http://lussiergroup.org/publications/disease_class. PMID- 29218912 TI - Network analysis of pseudogene-gene relationships: from pseudogene evolution to their functional potentials. AB - Pseudogenes are fossil relatives of genes. Pseudogenes have long been thought of as "junk DNAs", since they do not code proteins in normal tissues. Although most of the human pseudogenes do not have noticeable functions, ~20% of them exhibit transcriptional activity. There has been evidence showing that some pseudogenes adopted functions as lncRNAs and work as regulators of gene expression. Furthermore, pseudogenes can even be "reactivated" in some conditions, such as cancer initiation. Some pseudogenes are transcribed in specific cancer types, and some are even translated into proteins as observed in several cancer cell lines. All the above have shown that pseudogenes could have functional roles or potentials in the genome. Evaluating the relationships between pseudogenes and their gene counterparts could help us reveal the evolutionary path of pseudogenes and associate pseudogenes with functional potentials. It also provides an insight into the regulatory networks involving pseudogenes with transcriptional and even translational activities.In this study, we develop a novel approach integrating graph analysis, sequence alignment and functional analysis to evaluate pseudogene gene relationships, and apply it to human gene homologs and pseudogenes. We generated a comprehensive set of 445 pseudogene-gene (PGG) families from the original 3,281 gene families (13.56%). Of these 438 (98.4% PGG, 13.3% total) were non-trivial (containing more than one pseudogene). Each PGG family contains multiple genes and pseudogenes with high sequence similarity. For each family, we generate a sequence alignment network and phylogenetic trees recapitulating the evolutionary paths. We find evidence supporting the evolution history of olfactory family (both genes and pseudogenes) in human, which also supports the validity of our analysis method. Next, we evaluate these networks in respect to the gene ontology from which we identify functions enriched in these pseudogene gene families and infer functional impact of pseudogenes involved in the networks. This demonstrates the application of our PGG network database in the study of pseudogene function in disease context. PMID- 29218914 TI - Advances in Text Mining and Visualization for Precision Medicine. AB - According to the National Institutes of Health (NIH), precision medicine is "an emerging approach for disease treatment and prevention that takes into account individual variability in genes, environment, and lifestyle for each person." Although the text mining community has explored this realm for some years, the official endorsement and funding launched in 2015 with the Precision Medicine Initiative are beginning to bear fruit. This session sought to elicit participation of researchers with strong background in text mining and/or visualization who are actively collaborating with bench scientists and clinicians for the deployment of integrative approaches in precision medicine that could impact scientific discovery and advance the vision of precision medicine as a universal, accessible approach at the point of care. PMID- 29218913 TI - Leveraging putative enhancer-promoter interactions to investigate two-way epistasis in Type 2 Diabetes GWAS. AB - We utilized evidence for enhancer-promoter interactions from functional genomics data in order to build biological filters to narrow down the search space for two way Single Nucleotide Polymorphism (SNP) interactions in Type 2 Diabetes (T2D) Genome Wide Association Studies (GWAS). This has led us to the identification of a reproducible statistically significant SNP pair associated with T2D. As more functional genomics data are being generated that can help identify potentially interacting enhancer-promoter pairs in larger collection of tissues/cells, this approach has implications for investigation of epistasis from GWAS in general. PMID- 29218915 TI - Improving precision in concept normalization. AB - Most natural language processing applications exhibit a trade-off between precision and recall. In some use cases for natural language processing, there are reasons to prefer to tilt that trade-off toward high precision. Relying on the Zipfian distribution of false positive results, we describe a strategy for increasing precision, using a variety of both pre-processing and post-processing methods. They draw on both knowledge-based and frequentist approaches to modeling language. Based on an existing high-performance biomedical concept recognition pipeline and a previously published manually annotated corpus, we apply this hybrid rationalist/empiricist strategy to concept normalization for eight different ontologies. Which approaches did and did not improve precision varied widely between the ontologies. PMID- 29218916 TI - VisAGE: Integrating external knowledge into electronic medical record visualization. AB - In this paper, we present VisAGE, a method that visualizes electronic medical records (EMRs) in a low-dimensional space. Effective visualization of new patients allows doctors to view similar, previously treated patients and to identify the new patients' disease subtypes, reducing the chance of misdiagnosis. However, EMRs are typically incomplete or fragmented, resulting in patients who are missing many available features being placed near unrelated patients in the visualized space. VisAGE integrates several external data sources to enrich EMR databases to solve this issue. We evaluated VisAGE on a dataset of Parkinson's disease patients. We qualitatively and quantitatively show that VisAGE can more effectively cluster patients, which allows doctors to better discover patient subtypes and thus improve patient care. PMID- 29218917 TI - GeneDive: A gene interaction search and visualization tool to facilitate precision medicine. AB - Obtaining relevant information about gene interactions is critical for understanding disease processes and treatment. With the rise in text mining approaches, the volume of such biomedical data is rapidly increasing, thereby creating a new problem for the users of this data: information overload. A tool for efficient querying and visualization of biomedical data that helps researchers understand the underlying biological mechanisms for diseases and drug responses, and ultimately helps patients, is sorely needed. To this end we have developed GeneDive, a web-based information retrieval, filtering, and visualization tool for large volumes of gene interaction data. GeneDive offers various features and modalities that guide the user through the search process to efficiently reach the information of their interest. GeneDive currently processes over three million gene-gene interactions with response times within a few seconds. For over half of the curated gene sets sourced from four prominent databases, more than 80% of the gene set members are recovered by GeneDive. In the near future, GeneDive will seamlessly accommodate other interaction types, such as gene-drug and gene-disease interactions, thus enabling full exploration of topics such as precision medicine. The GeneDive application and information about its underlying system architecture are available at http://www.genedive.net. PMID- 29218918 TI - Annotating gene sets by mining large literature collections with protein networks. AB - Analysis of patient genomes and transcriptomes routinely recognizes new gene sets associated with human disease. Here we present an integrative natural language processing system which infers common functions for a gene set through automatic mining of the scientific literature with biological networks. This system links genes with associated literature phrases and combines these links with protein interactions in a single heterogeneous network. Multiscale functional annotations are inferred based on network distances between phrases and genes and then visualized as an ontology of biological concepts. To evaluate this system, we predict functions for gene sets representing known pathways and find that our approach achieves substantial improvement over the conventional text-mining baseline method. Moreover, our system discovers novel annotations for gene sets or pathways without previously known functions. Two case studies demonstrate how the system is used in discovery of new cancer-related pathways with ontological annotations. PMID- 29218919 TI - The diversity and disparity in biomedical informatics (DDBI) workshop. AB - The Diversity and Disparity in Biomedical Informatics (DDBI) workshop will be focused on complementary and critical issues concerned with enhancing diversity in the informatics workforce as well as diversity in patient cohorts. According to the National Institute of Minority Health and Health Disparities (NIMHD) at the NIH, diversity refers to the inclusion of the following traditionally underrepresented groups: African Americans/Blacks, Asians (>30 countries), American Indian or Alaska Native, Native Hawaiian or Other Pacific Islander, Latino or Hispanic (20 countries). Gender, culture, and socioeconomic status are also important dimensions of diversity, which may define some underrepresented groups. The under-representation of specific groups in both the biomedical informatics workforce as well as in the patient-derived data that is being used for research purposes has contributed to an ongoing disparity; these groups have not experienced equity in contributing to or benefiting from advancements in informatics research. This workshop will highlight innovative efforts to increase the pool of minority informaticians and discuss examples of informatics research that addresses the health concerns that impact minority populations. This workshop topics will provide insight into overcoming pipeline issues in the development of minority informaticians while emphasizing the importance of minority participation in health related research. The DDBI workshop will occur in two parts. Part I will discuss specific minority health & health disparities research topics and Part II will cover discussions related to overcoming pipeline issues in the training of minority informaticians. PMID- 29218920 TI - INTEGRATING COMMUNITY-LEVEL DATA RESOURCES FOR PRECISION MEDICINE RESEARCH. AB - Precision Medicine focuses on collecting and using individual-level data to improve healthcare outcomes. To date, research efforts have been motivated by molecular-scale measurements, such as incorporating genomic data into clinical use. In many cases however, environmental, social, and economic factors are much more predictive of health outcomes, yet are not systematically used in clinical practice due to the difficulties in measurement and quantification. Advances in both the availability of electronic health information, environmental exposure data, and the more systematic use of geo-coding now provide ways to systematically assess community-level indicators of health, and link these factors to electronic health records for evaluating their influence on disease outcomes. In this workshop, we discuss new electronic sources of community-level data, and provide insight into their utility and validity when compared with gold standard data collection approaches. PMID- 29218921 TI - Machine learning and deep analytics for biocomputing: call for better explainability. AB - The goals of this workshop are to discuss challenges in explainability of current Machine Leaning and Deep Analytics (MLDA) used in biocomputing and to start the discussion on ways to improve it. We define explainability in MLDA as easy to use information explaining why and how the MLDA approach made its decisions. We believe that much greater effort is needed to address the issue of MLDA explainability because of: 1) the ever increasing use and dependence on MLDA in biocomputing including the need for increased adoption by non-MLD experts; 2) the diversity, complexity and scale of biocomputing data and MLDA algorithms; 3) the emerging importance of MLDA-based decisions in patient care, in daily research, as well as in the development of new costly medical procedures and drugs. This workshop aims to: a) analyze and challenge the current level of explainability of MLDA methods and practices in biocomputing; b) explore benefits of improvements in this area; and c) provide useful and practical guidance to the biocomputing community on how to address these challenges and how to develop improvements. The workshop format is designed to encourage a lively discussion with panelists to first motivate and understand the problem and then to define next steps and solutions needed to improve MLDA explainability. PMID- 29218922 TI - Methods for examining data quality in healthcare integrated data repositories. AB - This paper summarizes content of the workshop focused on data quality. The first speaker (VH) described data quality infrastructure and data quality evaluation methods currently in place within the Observational Data Science and Informatics (OHDSI) consortium. The speaker described in detail a data quality tool called Achilles Heel and latest development for extending this tool. Interim results of an ongoing Data Quality study within the OHDSI consortium were also presented. The second speaker (MK) described lessons learned and new data quality checks developed by the PEDsNet pediatric research network. The last two speakers (JB, RG) described tools developed by the Sentinel Initiative and University of Utah's service oriented framework. The workshop discussed at the end and throughout how data quality assessment can be advanced by combining best features of each network. PMID- 29218924 TI - Au/NiFe/M(Au, MoS2, graphene) trilayer magnetoplasmonics DNA-hybridized sensors with high record of sensitivity. AB - The demonstration of biosensors based on the surface plasmon effect holds promise for future high-sensitive electrodeless biodetection. The combination of magnetic effects with surface plasmon waves brings additional freedom to improve sensitivity and signal selectivity. Stacking biosensors with two-dimensional (2 D) materials, e.g., graphene (Gr) and MoS2, can influence plasmon waves and facilitate surface physiochemical properties as additional versatility aspects. We demonstrate magnetoplasmonic biosensors through the detuning of surface plasmon oscillation modes affected by magnetic effect via the presence of the NiFe (Py) layer and different light absorbers of Gr, MoS2, and Au ultrathin layers in three stacks of Au/Py/M(MoS2, Gr, Au) trilayers. We found minimum reflection, resonance angle shift, and transverse magneto-optical Kerr effect (TMOKE) responses of all sensors in the presence of the ss-DNA monolayer. Very few changes of ~5*10-7 in the ss-DNA's refractive index result in valuable TMOKE response. We found that the presence of three-layer Gr and two-layer MoS2 on top of the Au/Py bilayer can dramatically increase the sensitivity by nine and four times, respectively, than the conventional Au/Co/Au trilayer. Our results show the highest reported DNA sensitivity based on the coupling of light with 2-D materials in magnetoplasmonic devices. PMID- 29218923 TI - Visible-light optical coherence tomography: a review. AB - Visible-light optical coherence tomography (vis-OCT) is an emerging imaging modality, providing new capabilities in both anatomical and functional imaging of biological tissue. It relies on visible light illumination, whereas most commercial and investigational OCTs use near-infrared light. As a result, vis-OCT requires different considerations in engineering design and implementation but brings unique potential benefits to both fundamental research and clinical care of several diseases. Here, we intend to provide a summary of the development of vis-OCT and its demonstrated applications. We also provide perspectives on future technology improvement and applications. PMID- 29218926 TI - [Determination of eight steroidal saponins in 15 kinds of genus Paris]. AB - The study was established an HPLC method for simultaneous determination of 8 steroidal saponins (polyphyllins VII, H, VI, II, I, and V, dioscin, and gracillin) in Paridis Rhizoma, and made an evaluation by determining steroidal saponins in 15 kinds of genus Paris. The analysis was performed on a Waters Acquity H-ClassTM UPLC ultrafine liquid chromatography system coupled with a PDA detector. The chromatographic separation was achieved through a CAPCELL PAK ADME (4.6 mm* 250 mm, 5 MUm) column and the optimal mobile phase consisted of acetonitrile and water. The column was maintained at 21 C, and the flow rate was 0.8 mL*min -1. The UV detection wavelength was 203 nm. The results showed that 1 the detected components can be well separated and all with good correlation coefficients. The standard calibration curves were linearly good (R2>0.999 9). The linearity was obtained over 0.041 70-3.812 00 MUg. The average recoveries ranged from 95.91% to 103.8%. 2 there are significant differences in the content of steroidal saponins from different species. The steroidal saponins are low content or almost none in P. mairei, P. polyphylla var. stenophylla, and P. delavayi have low content or almost did not contain, so these species are not suitable for medicinal use. The contents of steroidal saponins in P. polyphylla var. chinensis are varied from different places. There were high content of steroidal saponins in P. polyphylla var. yunnanensis, P. forrestii, P. daliensis, and P. axialis, even up to 5.0%, which indicated that they had the potential pharmic value of development. PMID- 29218925 TI - [Exploring the clinical characters of Shugan Jieyu capsule through text mining]. AB - In this paper,the potential climate factors affecting the Pairs polyphylla var. yunnanensis distribution in China at rational scales were selected from related literatures, using the sampling point geographic information from of P. polyphylla var. yunnanensis, combine the maximum entropy model (MaxEnt) with spatial analyst function of ArcGIS software, to study the climate suitability of P. polyphylla var. yunnanensis cultivating region in China and the leading climate factors. The results showed that, average rainfall in August, average rainfall in October, coefficient of variation of seasonal precipitation, the average temperature of the dry season, isothermal characteristic, average temperature in July were the leading climate factors affecting the potential distribution of P. polyphylla var. yunnanensis cultivating region in China, with their cumulative contribution rate reached 97.2% of all candidate climate factors. Existence probability of the region to be predicted of P. polyphylla var. yunnanensis through the constructed model, the climate unsuitable region, low, medium and high region of P. polyphylla var. yunnanensis in China were clarified and the threshold of climatic factors were gave and clarified the climate characteristics of the cultivating region in each climatic suitability division. The results of research can provide reference for production layout and introduction of P. polyphylla var. yunnanensis. PMID- 29218927 TI - [Qualitative and quantitative analyses of primary saponins in Paris forrestii]. AB - In order to study whether Paris forrestii could be developed as a substitute of Paridis Rhizome, chemical compositions of P. forrestii and P. polyphylla var. yunnanensis were investigated by UPLC-Q-TOF MS. In addition, the contents of eight primary steroidal saponins in 77 batches of P. forrestii samples from different habitats were simultaneously determined by HPLC-UV. The results showed that P. forrestii and P. polyphylla var. yunnanensis have similar chemical compositions, and all 22 major common peaks were identified as steroid derivatives. Meanwhile, there were some differences in the contents of saponins in P. forrestii samples from different habitats. The contents of 4 steroidal saponins in Chinese Pharmacopoeia ranged from 0.068% to 3.30%, and the highest content of the 8 kinds of steroidal saponins was 6.18%, while the lowest was just 0.71%. Moreover, 78% of P. forrestii samples were in conformity with the requirements of Chinese Pharmacopoeia, indicating that P. forrestii samples had relatively stable quality and could be further studied as a substitute for Paridis Rhizome. PMID- 29218928 TI - [Comparative pharmacodynamics study on Paris forrestii and pharmacopoeial Paridis Rhizoma]. AB - Paris is a raw material of a variety of Chinese medicines, which has become deficient in resource due to market demand substantial growth and wild Paris resources reducing increasingly and the artificial cultivation slow growth. This study compared pharmacological activity in analgesia and anti-inflammatory and hemostasis effects of P. forrestii with pharmacopoeial Paridis Rhizoma to expand its range of Paris medicinal resources and protect wild resources of Paris and meet market demand. The experimental study showed that P. forrestii and P. polyphylla var. yunnanensis and P. polyphylla var. chinensis had analgesic, anti inflammatory and hemostatic effects. They can significantly reduce the number of writhing and inhibit rat foot swelling induced by carrageenan and mice capillary permeability induced by acetic acid and short the bleeding time and clotting time. Their function is equivalent. PMID- 29218929 TI - [Pharmacodynamics study on Paris vietnamensis]. AB - Paris is commonly used in traditional Chinese medicine and its resource is in shortage, a variety of related plants are acquired as Paris. This study compared pharmacological activity in anti-inflammatory and hemostatic and blood rheology of P. vietnamensis with pharmacopoeial Paridis Rhizoma to expand its range of Paris medicinal resources and protect wild resources of Paris and meet market demand. The experimental study showed that P. vietnamensis and P. polyphylla var. yunnanensis and P. polyphylla var. chinensis had anti-inflammatory and hemostatic effect and improved blood rheolog. They can significantly inhibit rat foot swelling induced by carrageenan and short the bleeding time and clotting time and reduce the blood viscosity in rats with acute blood stasis model, P. vietnamensis and P. polyphylla var. yunnanensis can inhibit mice capillary permeability induced by acetic acid. PMID- 29218930 TI - [Herbal textual research on origins of Chonglou]. AB - Based on the field investigation, this paper researched the germplasms and geoherbs habitat of Chonglou in ancient herbal books systematically. The results showed that, Chonglou in ancient herbal books sometimes referred to certain specific germplasm, while sometimes it referred to many species derived from genus Paris except Sect. Paris. The medicinal material Chonglou in Chinese Materia Medica Bencaotujing and Bencaomengquan was verified as P. polyphylla var. chinensis, which could be P. polyphylla in Xinxiubencao, and it should include P. polyphylla or P. polyphylla var. stenophylla in Bencaogangmu. However, it proved to be a variety of species from Paris that can used as Chonglou in Diannanbencao and Zhiwumingshitukao. Moreover, the origins of Chonglou were correspondingly more diverse, with its producing areas changed from North to South. Therefore, with the resources increasing endangered, the botanical origin of Chonglou should be further studied. PMID- 29218931 TI - [Research progress in phytoestrogens of traditional Chinese medicine]. AB - Phytoestrogens are plant-derived compounds, which have a similarity in structure with human endogenous estrogen 17-beta-estradiol. Structural likeness enables phytoestrogens to interact with estrogen receptors, not simply mimicking the effects of human steroidal estrogen but also exhibiting similar and divergent actions. The global literature relating to phytoestrogen in recent years was systematically summarized in this paper. Chemical compositions of phytoestrogens were mainly flavonoids, coumarins, lignans, terpenoids, steroids, etc., with a character of prevention and treatment of perimenopausal syndrome, osteoporosis, cardiovascular disease, metabolic diseases, cancer, regulation of brain function and other pharmacological effects. The mechanisms of action mainly included classical estrogen receptor pathway, epigenetic effect, activation of 5'-adenosyl phospho-activated protein kinase, inhibition of kinase, activation of peroxisome proliferator-activated receptor, regulation of apoptosis-related proteins, inhibition of nuclear factor kappaB signaling pathway and so on. According to their efficacy classification, phytoestrogens were mainly distributed in the tonifying medicines, blood-activating and stasis-resolving medicines and heat clearing medicines. The classical prescriptions with estrogen activity included tonifying formula, Qi-regulating formula and harmonizing formula, etc. This review was aimed at providing a certain reference for the further study of phytoestrogens by researchers and clinicians. PMID- 29218932 TI - [Research progress of Bixie]. AB - The Dioscorea hypoglauca rhizome and D. spongiosa rhizome in "China Pharmacopoeia" are often used as Bixie in clinically, with the function of removing dampness, clearing away turbidness and dispelling wind to remove pain, and has been widely used in stranguria marked by chyluria, joint stiffness and rheumatic arthralgia. It has obvious curative effect and broad application prospect. However, in recent years the progress of research is slow for its miscellaneous sources, chaotic varieties and lack of relevant quality assessment. The previous research on Bixie is mainly reflected in the chemical compositions, mainly including steroids, diarylheptanoids and lignans and so on. Among them, steroidal saponins are the main components and the main effective substances for their pharmacological activities. Recent studies have shown that Bixie and its main components have significant effects in anti-trioxypurine, anti-inflammation, analgesia and anti-osteoporosis, and have made great progress, providing an experimental basis for the research and development of clinical drugs. But the specific substance and specific mechanism of its pharmacological action are not clear, and need further exploration. By consulting the relevant literature at home and abroad, the author has summarized the chemical constituents, quality evaluation, pharmacological action of Bixie, hoping to provide a reference for further research, development and utilization of Bixie. PMID- 29218933 TI - [Research progress of Bixie]. AB - The extract of ginkgo leaves showed positive effects on treatments of many diseases, and has been used clinically worldwide. Considering the fact that flavonoids are the main bioactive components in the extract of ginkgo leaves, it is very important to investigate the flavonoid biosynthesis in ginkgo leaves. In this paper, we first reviewed the research progress of flavonoid biosynthesis in different plants, and introduced the flavonoid biosynthesis related genes discovered in ginkgo. Then, several cases of ginkgo researches using high throughput sequencing technology were described in detail. In addition, as an important research area in ginkgo, the changes of flavonoid content and the expression of corresponding genes were discussed. Specifically, our latest results were described. At last, we prospected the development of research area in flavonoid biosynthesis in ginkgo. PMID- 29218934 TI - [Quantative analysis of eupatilin and jaceosidin in folium of Artemisia argyi from different areas in China by RP-HPLC based on ancient medicine books]. AB - In order to evaluate the quality of Artemisia argyi from Qichun, Ningbo, Anguo and Nanyang, the contents of eupatilin and jaceosidin were determined by RP-HPLC. The determination was performed on Agilent Eclipse XDB-C18 (4.6 mm*250 mm, 5 MUm) with mobile phase consisted of acetonitrile-0.2% phosphoric acid(35?65) at the flow rate 1.0 mL*min -1. The detection wavelength was 350 nm and the column temperature was 25 C. The results showed that the amount of eupatilin and jaceosidin had a clear linear relationship in the range of 0.003-0.126 g*L -1 (r=0.999 9) and 0.005-0.200 g*L -1 (r=0.999 9), and the average recovery rates for them were 99.14% (n=6, RSD 1.2%) and 99.40% (n=6, RSD=0.73%), respectively. The results showed that RP-HPLC can be used for the quantification of eupatilin and jaceosidin in the folium of A. argyi. With this method, we found there was no significant difference of jaceosidin content within all the samples collected, but the content of eupatilin was significantly higher in samples from Qichun, Ningbo, Xiangyang and Nanyang, located in the south of Huaihe River compared with these from other areas. PMID- 29218935 TI - [Antifungal effects of three medicinal crops on Phytophthora nicotianae]. AB - Tobacco black shank is one of the most harmful soil-borne diseases infected by Phytophthora parasitica. In order to probe the control method to this disease, in this study, the mycelial growth rate method was employed to investigate the antifungal effects of extracts from stem-leaf and root, root exudates, and their combination of Scrophularia ningpoensis, Chuanmingshen violaceum and Pinellia ternata The results showed that: 1Stem-leaf and root extracts of S. ningpoensis, C. violaceum and P. ternata exhibited different antifungal activities, and the inhibition increased with the increase of extract concentration. The antifungal effect of S. ningpoensis extracts at 0.5 g*mL-1 was the strongest than other medicinal plants, the inhibition rate of steam-leaf and root extracts reached 74.88%, 69.27%, respectively. The inhibitory effect of C. violaceum and P. ternata was relatively lower, however, there is a significant gain effect after combination of steam-leaf and root extracts of C. violaceum. 2The root exudates of S. ningpoensis, C. violaceum and P. ternata showed fungistasis to Phytophthora nicotianae, and fungistasis was enhanced with the increase of root exudate concentration. The antifungal effect in the order of C. violaceum > S. ningpoensis > P. ternata. 3The antifungal activity of combination of extract and root exudate from S. ningpoensis was similar with the effect of C. violaceum, they were both stronger than P. ternata, and the antifungal activity for three combination were located between the antifungal activity of their extracts and root exudates. S. ningpoensis and C. violaceum can be potentially applied to prevent and control the tobacco black shank. PMID- 29218936 TI - [Comparative study on acute toxicity of different active ingredient fractions from Kansui stir-baked with vinegar on zebrafish embryos]. AB - The 24 h normal developing zebrafish embryos were used to evaluate the acute toxicity and the compounds of respective fractions were analyzed by UFLC-Q-TOF-MS simultaneously. Nine concentration groups with respective concentration and a blank control group were designed for each fraction to investigate their effect on survival rates of zebrafish embryos 96 h after drug administration, and calculate the median lethal concentration (LC50) of different fractions to zebrafish embryos. The results showed that all of the fractions had acute toxicity to zebrafish embryos except VEKD, and the order was as follows: VEKB, VEKC, VEKA and VEKD. According to the results of UFLC-Q-TOF-MS, the chemical ingredients contained in VEKB and VEKC were mainly composed of ingenane-type and japhane-type diterpenoids, respectively. It could be speculated that japhane-type diterpenoids might be the active compounds with lower toxicity associated with the results of toxicity study, providing some references for the further research on effective material basis of Kansui stir-baked with vinegar according to the principle of "drastic medicine, no death risks". PMID- 29218937 TI - [Standard decoction of Leonuri Herba]. AB - To build an evaluation standard for quality of Leonuri Herba standard decoction. 13 batches of Leonuri Herba standard decoction with different quality were prepared. The contents of leonurine hydrochloride and stachydrine hydrochloride were determined; then the transfer rate and the extract rate were calculated and pH value was measured; and HPLC fingerprint method was established for analysis. The results of 13 batches of samples revealed that the transfer rate of leonurine hydrochloride and stachydrine hydrochloride was 30.0%-53.4% and 67.0%-82.6%, respectively; the extract rate was 12.1%-18.3% and the pH value was 5.87-6.22. Moreover, 12 common chromatographic peaks were determined based on fingerprint by using Similarity Evaluation System for Chromatographic fingerprint of Traditional Chinese Medicine (2012A). The similarity of 13 batches of samples was analyzed and compared, and the results showed that the similarity was higher than 0.9. In this study, the preparation method for Leonuri Herba decoction was standard, with high similarity in fingerprint, showing high precision, stability and repeatability in fingerprint analysis. Thus, this study can provide a reference for the quality control of Leonuri Herba dispensing granules. PMID- 29218938 TI - [Analysis of chemical markers in sulfur-fumigated Anemarrhenae Rhizoma]. AB - Sulfur-containing Anemarrhenae Rhizoma decoction pieces were prepared by using sulfur-fumigating procedure. The difference components before and after sulfur fumigation in Anemarrhenae Rhizoma were analyzed and on-line identified by UPLC-Q TOF-MSE combined with UNIFI informatics platform, principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA) respectively. As a result, 16 major differences components were identified, and among them, 9 components were mainly from sulfur-fumigated samples. The main chemical markers in sulfur-fumigated Anemarrhenae Rhizoma were identified as the sulfite derivatives newly produced after sulfur-fumigating. Meanwhile, UPLC-Q-TOF MSE was used to find the main chemical marker anemarrhena saponin BII sulfite (m/z 983). By using this method, a rapid screening method for sulfur-fumigated Anemarrhenae Rhizoma was established. This was a convenient and accurate detection method for sulfur dioxide residue, and it can be used as an effective assistant method to control the quality of Anemarrhenae Rhizoma. At the same time, it was the first time to identify sulfited derivatives of steroidal saponins, and screen the sulfur-fumigated Anemarrhenae Rhizoma. PMID- 29218940 TI - [Studying on purification technology of Resina Draconis phenol extracts based on design space method]. AB - The "design space" method was used to optimize the purification process of Resina Draconis phenol extracts by using the concept of "quality derived from design" (QbD). The content and transfer rate of laurin B and 7,4'-dihydroxyflavone and yield of extract were selected as the critical quality attributes (CQA). Plackett Burman design showed that the critical process parameters (CPP) were concentration of alkali, the amount of alkali and the temperature of alkali dissolution. Then the Box-Behnken design was used to establish the mathematical model between CQA and CPP. The variance analysis results showed that the P values of the five models were less than 0.05 and the mismatch values were all greater than 0.05, indicating that the model could well describe the relationship between CQA and CPP. Finally, the control limits of the above 5 indicators (content and transfer rate of laurine B and 7,4'-dihydroxyflavone, as well as the extract yield) were set, and then the probability-based design space was calculated by Monte Carlo simulation and verified. The results of the design space validation showed that the optimized purification method can ensure the stability of the Resina Draconis phenol extracts refining process, which would help to improve the quality uniformity between batches of phenol extracts and provide data support for production automation control. PMID- 29218939 TI - [Evaluate effects of different drying methods on quality of Tianshu capsule on substance basis]. AB - To investigate the effect of hot air circulation drying and spray drying on the quality of Tianshu capsule from the view point of chemical compositions. UPLC-DAD was used to establish the fingerprint of Tianshu capsules for the first time, and the main chemical constituents were identified by UPLC-Q-TOF-MS/MS. A total of 62 compounds were identified in this method, 21 of which were reported in Tianshu capsules for the first time. The results showed that there were no significant differences in the identification of the chemical constituents types between these two methods, but the contents of some constituents were different. The common patterns generated by the 10 batches of hot air cycle drying samples were used as the control fingerprint, and the similarity of the spray drying samples fingerprints was 0.877, with high similarity of the fingerprints between these two methods. UPLC-DAD combined with UPLC-Q-TOF-MS/MS technology was used for the first time to evaluate the chemical constituents of Tianshu capsule rapidly, comprehensively and accurately, providing technical support for the quality evaluation of Tianshu capsule. PMID- 29218941 TI - [Study on diarylheptanoids from green peel of Juglans sigillata]. AB - The chemical constituents from green peel of Juglans sigillata were isolated by column chomatographies over silica gel, Sephadex LH-20, and MCI. Four diarylheptanoids were isolated and their structures were characterized as dihydropterocarine(1), 3',4"-epoxy-1-(4'-hydroxy-phenyl)-7-(3"-methoxyl-phenyl) heptan-3alpha-ol(2), pterocarine(3), and 1-(4'-hydroxy-phenyl)-7-(3"-methoxy-4" hydroxyphenyl)-heptan-3alpha-ol(4). Compound 1 is a new compound, named as dihydropterocarine. Compounds 2-4 were isolated from the plant of J. sigillata for the first time. PMID- 29218942 TI - [Analysis of alcohol extract and water extract of Polygonum capitatum by UPLC-Q TOF-MS]. AB - In this study, we used Ultra Performance Liquid Chromatography-Time-of-Flight Mass Spectrometry(UPLC-TOF-MS)to identify the chemical constituents in both ethanol and water extract of Polygonum capitatum. A Waters ACQUITY UPLC BEH C18 column(2.1 mm*100 mm,1.7 MUm) was used for separation. The mobile phase was consisted of(A) 0.10% formic acid in water and(B)0.10% formic acid in acetonitrile, and the flow rate was 0.35 mL*min-1. ESI source in negative ion mode was used for MS detection. Structural identification was carried out according to the accurate mass and matching with database. The results showed that flavonoids, polyphenols and lignans were the main components in both extracts. However, the chemical compositions of both extracts were different, e.g. there are less hydrolyzable tannins, loss of ellagic acid and more anthocyanins in ethanol extract. In a conclusion, this study provides an important scientific basis for identifying the active ingredients in P. capitatum, which also help to reveal the pharmacological effect of P. capitatum. PMID- 29218943 TI - [Effect of germacrone in alleviating HUVECs damaged by H2O2-induced oxidative stress]. AB - This study focuses on the protective effect of germacrone on human umbilical vein endothelial cells(HUVECs) damaged by H2O2-induced oxidative stress and its possible mechanisms. The oxidative damage model was established by using 500 MUmol*L-1 H2O2 to treat HUVECs for 3 hours, and then protected with different concentrations of germacrone for 24 hours. The effect of germacrone on cell viability of HUVECs damaged by H2O2 was detected by MTT. The contents of PGI2, TXB2, ET-1, t-PA, PAI-1, TNF-alpha and IL-6 were detected by ELISA. The content of NO was detected by using nitrate reductase method. Colorimetry was used to detect NOS and GSH-Px. The contents of MDA, SOD and LDH were detected by TBA, WST 1 and microplate respectively. Apoptosis was observed by Hoechst 33258 fluorescent staining. The mRNA expressions of Bax, Bcl-2 and Caspase-3 in cells were detected by RT-PCR. The results showed that the cell damage rate was 52% after treated with 500 MUmol*L-1 H2O2 for 3 hours. The cell activity was increasing with the rise of germacrone concentration within the range of 20-200 mol*L-1. Compared with normal group, the contents of PGI2, NO, T-NOS, t-PA, SOD, GSH-Px and Bcl-2 mRNA expressions were lower after damaged with H2O2. The contents of PAI-1, ET-1, IL-6, TNF-alpha, TXB2, LDH, MDA, Bax mRNA and Caspase-3 mRNA expressions were increased. Compared with model group, the contents of PGI2, NO, T-NOS, t-PA, SOD, GSH-Px and Bcl-2 mRNA expressions were increased after treated with germacrone. The contents of PAI-1, ET-1, IL-6, TNF-alpha, TXB2, LDH, MDA, Bax mRNA and Caspase-3 mRNA expressions were lower after treated with germacrone. According to Hoechst 33258 fluorescence staining, compared with normal group, the cell membrane and the nucleus showed strong dense blue fluorescence, and the number of cells significantly decreased in model group. Compared with model group, blue fluorescence intensity decreased in drug group. The above findings demonstrate that germacrone may improve the effect on HUVECs damaged by H2O2-induced oxidative stress by resisting oxidation and inhibiting cell apoptosis. PMID- 29218944 TI - [Activity of essential oil extracted from Artemisia argyi in inducing apoptosis of Candida albicans]. AB - To explore the activity of essential oil extracted from Artemisia argyi (AAEO) in inducing the apoptosis of Candida albicans SC5314. The effect of AAEO on reactive oxygen species(ROS) and mitochondria membrane potential(MMP) of C. albicans SC5314 was detected by flow cytometry. Phosphatidylserine externalization was observed under fluorescence microscopic with Annexin-V/PI staining at the early stage of apoptosis in C. albicans. Metacaspase activity was observed under fluorescence microscopic with FITC-VAD-FMK staining at the early stage of apoptosis in C. albicans. C. albicans morphology was observed by DAPI nuclear staining and fluorescence microscopy. After intervention with 0.5 mL*L-1 AAEO, apoptosis of C. albicans significantly increased, metacaspase activity increased, nuclear pyknosis and fragmentation, and intracellular ROS were significantly increased, and mitochondrial membrane potential decreased significantly. The certain concentrations of AAEO could induce the apoptosis of C. albicans. PMID- 29218945 TI - [Prediction of drug-target interaction based on fingerprint similarity]. AB - Drugs play the pharmacological effects by combining with target proteins. Identification of drug-target interactions is important for discovering new functions of drugs. In this paper, the target fingerprints based on molecular substructure and the drug-target similarity based on fingerprints are proposed to a random forest-based classification method, in order to identify the drug-target interactions. Experiments on enzymes, ion channels, G protein-coupled receptors and nuclear receptors proved the effectiveness of the proposed method. In addition, the proposed method is applied to predict the interactions between ingredients and targets of traditional Chinese medicines. PMID- 29218946 TI - [Metabolism of Inula cappa extract by rat intestinal bacteria in vitro]. AB - To investigate the metabolism of major components in Inula cappa by rat intestinal bacteria in vitro. I. cappa extract was incubated for 24 h with rat intestinal bacteria under anaerobic environment. After the samples were precipitated by n-butanol, UPLC-Q-TOF-MS/MS was applied for the qualitative analysis of the metabolites, combined with data software such as Metabolite Tools, Data Analysis and so on. The potential metabolites in rat intestinal bacteria were analyzed by comparing the total ion current of the test samples and blank samples and analyzing the quasi-molecular ion and fragment ion of all chromatograms. The results injected that fourteen metabolites were detected in rat intestinal flora. Various types of metabolic reactions happen to caffeoylquinic acid in intestinal flora, including isomerization, hydrolyzation, there were also methylation, hydrogenation and acetylation of caffeic acid. At the same time, a methylate of dicaffeoylquinic acid was also detected. Presumably, caffeoylquinic acids were gradually transformed into more hydrophobic metabolites with smaller molecular mass, which were better absorbed by the intestinal tract. PMID- 29218947 TI - [Study on mechanism of hepatotoxicity of Ploygoni Multiflori Caulis based on function inhibition of bilirubin-associated transporters in idiosyncratic rat]. AB - To explore the possible mechanism of liver injury, the effects of Ploygoni Multiflori Caulis and its extractive on the function of bilirubin-associated transporters were investigated in normal (N) and idiosyncratic (LPS) rats (M). The normal and LPS rats were respectively administrated powder of Ploygoni Multiflori Caulis, its extractive and same volume of 0.5% CMC-Na solution for 7 d. BSP, a substrate of the transporters of Oatp1a1 and Oatp1b2 was selected, and its pharmacokinetic parameters of intravenous injection were determined to examined the activity these transporters. Meanwhile the mRNA expressions of transporters were detected. Compared with N-blank control group, besides M-powder group, the Cmax has no significantly different from other groups, t1/2, AUC0-t and AUC0-infinity were significantly increased, and CL were significantly decreased. However, compared with N- blank control group, AST and ALT decreased significantly. The expression of Oatp1a1, Oatp1b2 and MRP2 mRNA was significantly decreased (P<0.05), but there was no act synergistically when Ploygoni Multiflori Caulis and extractive were combined with LPS. The function of Oatp1a1, Oatp1b2 and MRP2 in rats were significantly inhibited by Ploygoni Multiflori Caulis and extractive, which may be an important cause of hepatotoxicity. PMID- 29218948 TI - [Preliminary screening of biomarkers for curcumin's antidepressant effect based on metabonomics method]. AB - To screen potential biomarkers of curcumin related to treating depression rats by using metabolomics means, so as to explore the antidepressant action mechanism of curcumin. The healthy male SD rats were randomly divided into four groups. Chronic unpredictable mild stress (CUMS) stimulation was conducted for modeling for 2 weeks, and then curcumin (200 mg*kg-1) or venlafaxine (40 mg*kg-1) was given by gavage administration. The blank group and model group rats were given with the same volume of 1% CMCNa normal saline, once per day for two weeks. The rats serum for each group was collected and LC/MS-IT-TOF method was used to characterize the metabolic differences. Also multivariate statistical analysis was used to screen possible potential biomarkers and analyze the possible metabolic pathways. After administration of curcumin and venlafaxine respectively, the depression indexes of CUMS model rats were all improved significantly (P<0.05), but there were no significant differences between curcumin and venlafaxine groups. In PCA and PLS-DA analysis after curcumin or venlafaxine intervention on CUMS model group rats, the small molecule metabolites level reflects a normal trend, and particularly for the curcumin group. Through metabonomics technology, 11 biomarkers associated with curcumin antidepressant effect were screened, and at the same time seven metabolic pathways were involved. The results showed that curcumin had antidepressant effects, which was evident in both macro and micro levels, comparable with positive drug of venlafaxine. The antidepressant effect of curcumin may be associated with the glycerol phospholipid metabolism, linoleic acid metabolism, pentose and glucuronic acid ester and ether lipid metabolism, but still need further exploration in the future. PMID- 29218949 TI - [Study on relationship between constitution and syndrome of MMP-9, IL-6 and MTHFR gene in patients with ischemic stroke]. AB - By studying the relationship between syndromes, physique and MMP-9, IL-6 and MTHFR gene polymorphisms in patients with ischemic stroke,The relationship between MMP-9, IL-6 and MTHFR gene polymorphism was analyzed in patients with ischemic stroke.The data were collected by collecting the data of patients with ischemic stroke, and the statistical analysis was carried out. Syndrome:61 cases of ischemic stroke patients with stroke phlegm stasis syndrome in patients with the highest frequency, a total of 30 cases; Physical constitution: phlegm is ischemic stroke patients prone to physical, a total of 20 cases; The analysis of the relationship between constitution and syndrome shows that the patients with qi deficiency constitution tend to show qi deficiency and blood stasis syndrome after onset, The analysis of the relationship between constitution and syndrome shows that the patients with qi deficiency constitution tend to show qi deficiency and blood stasis syndrome after onset, Phlegm constitution and physical condition after the onset of symptoms tend to wind phlegm stasis syndrome; Syndrome and MMP-9, IL-6 relationship:The distribution of MMP-9 and IL 6 in patients with qi and phlegm stasis syndrome and qi deficiency and blood stasis syndrome was significantly different from that in Z test (P<0.05). The level of MMP-9 in patients with qi deficiency and blood stasis syndrome was significantly higher than that in patients with wind phlegm and blood stasis syndrome;The level of IL-6 in patients with phlegm and blood stasis syndrome was significantly higher than that in patients with qi deficiency and blood stasis syndrome. Syndrome, constitution and MTHFR gene polymorphism: among the 61 samples, 34 were heterozygous mutations, 15 were pure and mutated, 12 had no mutation, The mutation rate of this locus was 4.08 times that of patients without mutations.The genotype of MTHFR C677T in patients with phlegm dampness tends to be CT genotype. Wind phlegm stasis syndrome in patients with easy to appear after the TT genotype; Yin deficiency syndrome in patients prone to miscellaneous and mutations, the performance of CT genotype; Analysis of the relationship between syndromes and physique in patients with ischemic stroke,Phlegm and dampness, flat quality patients after the onset of easy to show the wind phlegm stasis syndrome; Qi deficiency after the onset of symptoms in patients with Qi and blood stasis. Suggesting that before the onset of such as for the partial physical conditioning, may be on the prevention of ischemic stroke have a certain effect; Analysis of the relationship between syndromes and MMP-9 and IL-6 in patients with ischemic stroke, Wind phlegm stasis syndrome and IL-6 levels are related, Qi deficiency and blood stasis syndrome and MMP-9 levels are related. Analysis of the relationship between syndromes and MTHFR gene polymorphism in patients with ischemic stroke, TT genotype after the onset of symptoms prone to wind phlegm stasis syndrome, CT genotype patients after the onset of easy manifestations of Yin deficiency wind syndrome; Analysis of the relationship between physique and MTHFR gene polymorphism in patients with ischemic stroke, CT genotype is easy to show phlegm.For more in-depth understanding of pathogenesis of ischemic stroke to provide the basis, For the clinical treatment and prevention to provide intervention strategies. PMID- 29218950 TI - [Meta-analysis of Yiqi Huoxue method in treating idiopathic membranous nephropathy]. AB - The incidence of idiopathic membranous nephropathy (IMN) is increasing year by year, and the clinical research on Chinese medicine treatment of INM is also growing. This study aims to evaluate the efficiency and safety of Yiqi Huoxue method for IMN. Data sources used were from PubMed, EMbase, the Cochrane Library, CBM, CNKI, Wanfang and VIP database. Two researchers independently screened the literature and extracted data. RevMan 5.3 software was used for Meta analysis, and the evidences were graded for the outcomes according to GRADE system by using GRADEprofiler 3.6. Eventually, eleven trials (725 participants) were included in the Meta-analyses. There was statistically significant difference between Yiqi Huoxue method and controls when combining all trials in 24 h UTP [RR=-1.23, 95%CI=(-1.94,-0.53), P=0.000 6] or when combining all trials in ALB [RR=3.56, 95%CI=(1.64, 5.47), P=0.000 3]. Meanwhile, there was statistically significant difference between Yiqi Huoxue method and controls when combining all trials in TC [RR=-0.39, 95%CI=(-0.57, -0.20), P<0.000 1] or when combining all trials in TG [RR=-0.49, 95%CI=(-0.82, -0.15), P=0.004]. However, there was no statistically significant difference between Yiqi Huoxue method and controls when combining all trials in Scr [RR=-3.25, 95%CI=(-9.35, 2.84), P=0.30] or when combining all trials in BUN [RR=-0.81,95%CI=(-2.29, 0.66), P=0.28]. In the statistics, the most frequently used Chinese medicines in clinical application were Astragali Radix, Angelicae Sinensis Radix, Chuanxiong Rhizoma, Codonopsis Radix, Atractylodis Macrocephalae Rhizome and Salvia Miltiorrhiza. The present evidences suggested that Yiqi Huoxue method should be thought highly of in the treatment of IMN, and at the same time, the rational use of traditional Chinese medicine, such as Astragali Radix, Angelicae Sinensis Radix, Chuanxiong Rhizoma also should be paid attention to. However, due to the GRADE evidence grading of the primary outcome measure of 24 h UTP had very low quality, this review can not provide high quality evidence to prove the clinical efficacy of this method. More well designed and large-scale multi-center randomized controlled trials should be conducted in the future for verification. PMID- 29218951 TI - [Research on compatibility of prescriptions including Ginseng Radix et Rhizoma and Trogopterus Dung based on complex network analysis]. AB - The applications of prescriptions including Ginseng Radix et Rhizoma and Trogopterus Dung in contemporary literatures from 1949 to 2016 are compiled and the data mining techniques containing scale-free complex network method are utilized to explore its practical characteristics, with comparison between modern and ancient ones. The results indicate that malignant neoplasms, coronary heart disease which present Qi deficiency and blood stasis type are the main diseases treated by prescriptions including Ginseng Radix et Rhizoma and Trogopterus Dung according to the reports during 1949 to 2016. The complex network connection shows that Glycyrrhizae Radixet Rhizoma, Angelicae Sinensis Radix, Astragali Radix, Typhae Pollen, Salviae Miltiorrhizae Radix et Rhizoma are the primary drugs related to Ginseng Radix et Rhizoma and Trogopterus Dung. The next are Paeoniae Radix Alba, Atractylodis Macrocephalae Rhizoma, Persicae Semen, Foria, et al. Carthami Flos, Notoginseng Radix et Rhizoma, Cyperi Rhizoma, Bupleuri Radix are the peripheral ones. Also, Ginseng Radix et Rhizoma-Glycyrrhizae Radixet Rhizoma, Trogopterus Dung-Glycyrrhizae Radixet Rhizoma, Ginseng Radix et Rhizoma-Angelicae Sinensis Radix, Trogopterus Dung-Angelicae Sinensis Radix, Ginseng Radix et Rhizoma-Astragali Radix, Trogopterus Dung-Astragali Radix are the main paired drugs. The paired drugs including Ginseng Radix et Rhizoma Trogopterus Dung-Glycyrrhizae Radixet Rhizoma, Ginseng Radix et Rhizoma Trogopterus Dung-Angelicae Sinensis Radix, Ginseng Radix et Rhizoma-Trogopterus Dung-Astragali Radix, Ginseng Radix et Rhizoma-Trogopterus Dung-Typhae Pollen have a higher support degree. The main compatible drugs are different in ancient and modern prescriptions including Ginseng Radix et Rhizoma and Trogopterus Dung. Notoginseng Radix et Rhizoma, Typhae Pollen, Salviae Miltiorrhizae Radix et Rhizoma, Astragali Radix are utilized frequently in modern prescriptions while less used in ancient ones. It is also shown that more attentions are paid to the drugs contributing to invigorating Qi and promoting blood circulation in modern times with comparative results between modern and ancient prescriptions. PMID- 29218952 TI - [Research strategies for feed additives and veterinary medicines from side products of Chinese medicine resources industrialization]. AB - The global antimicrobial resistance has been a big challenge to the human health for years. It has to make balance between the safety of animal products and the use of antimicrobials in animal husbandry. Any methods that can minimize or even phase out the use of antimicrobials in animal husbandry should be encouraged. We herein describe the research strategies for feed additives and veterinary medicines from the side products of Chinese medicine resources industrialization. Killing two birds with one stone-besides the major purposes, the rational utilization of non-medicinal parts and wastes of industrialization of Chinese herbal medicines is also achieved under the proposed strategies. PMID- 29218953 TI - [Exploiture and application of an internet-based Computation Platform for Integrative Pharmacology of Traditional Chinese Medicine]. AB - Recently, integrative pharmacology(IP) has become a pivotal paradigm for the modernization of traditional Chinese medicines(TCM) and combinatorial drugs discovery, which is an interdisciplinary science for establishing the in vitro and in vivo correlation between absorption, distribution, metabolism, and excretion/pharmacokinetic(ADME/PK) profiles of TCM and the molecular networks of disease by the integration of the knowledge of multi-disciplinary and multi stages. In the present study, an internet-based Computation Platform for IP of TCM(TCM-IP, www.tcmip.cn) is established to promote the development of the emerging discipline. Among them, a big data of TCM is an important resource for TCM-IP including Chinese Medicine Formula Database, Chinese Medical Herbs Database, Chemical Database of Chinese Medicine, Target Database for Disease and Symptoms, et al. Meanwhile, some data mining and bioinformatics approaches are critical technology for TCM-IP including the identification of the TCM constituents, ADME prediction, target prediction for the TCM constituents, network construction and analysis, et al. Furthermore, network beautification and individuation design are employed to meet the consumer's requirement. We firmly believe that TCM-IP is a very useful tool for the identification of active constituents of TCM and their involving potential molecular mechanism for therapeutics, which would wildly applied in quality evaluation, clinical repositioning, scientific discovery based on original thinking, prescription compatibility and new drug of TCM, et al. PMID- 29218954 TI - [Study on formation and changes of Dao-di herbs production origin of Gastrodia elata]. AB - Gastrodia elata has been used in China for more than 2 000 years and it is a kind of valuable traditional Chinese medicine. The originrecords of G. elata were Mount Tai of Shandong and and Mount Song of Henan, which began in Wupu Bencao of Wei Jin Dynasties, and Tai'an and its surrounding areas had been the Do-di herbs production areas. But from the beginning of the Republic of China, G. elata origin has undergone major changes, Do-di herbs production areas moved westward to the southwest.In this paper,through literature research and field visits, we studied the formation and changes of Do-di herbs production areas of G. elata. The cultivation history and current main producing area of G. elata was also introduced. On this basis, we profoundly summarized the reasons of Do-di herbs production areas formation and changes from the nature, society, transportation, humanities and germplasm resources.Combining the ancient herbal medicine and the characteristics of modern producing areas, the planting strength of G. elata could be strengthened in the hope of providing reference for the quality evaluation and cultivation of G. elata. PMID- 29218955 TI - Would reframing aged care facilities as a 'hospice' instead of a 'home' enable older people to get the care they need? PMID- 29218956 TI - Incidence of complications in men undergoing transurethral resection of the prostate. AB - Objectives: To examine the link between medication use and the risk of bleeding complications following transurethral resection of the prostate from the second postoperative day until hospital discharge. Method: Using a retrospective observational study design, the medical records of all patients who underwent transurethral resection of the prostate over a 24-month period were examined. Comprehensive data regarding patients' medication history, comorbidities and complications that occurred either during or after surgery were collected from medical records. Inferential statistical analysis was used to examine associations between demographic and medication variables and the risk of complications. Results: Complications arising after surgery occurred in 48/135 (36%) of patients. The most common complications postoperatively were hematuria, occurring in 41/48 (85%) and hematuria with clot retention, occurring in 24/48 (50%) of patients who suffered complications. There was a significant association between the number of medications prescribed and postoperative complications; for hematuria, chi2 (12) = 21.50, p = 0.04; and for hematuria with clot retention chi2 (12) = 24.97, p = 0.015. Conclusions: Demographic data relating to patients' age, comorbid state and the number of standard medications prescribed is associated with an increase in macroscopic hematuria and macroscopic hematuria with clot retention after transurethral resection of the prostate. These findings emphasize the importance of nursing practice in both preoperative and postoperative care of patients undergoing surgery. Nurses need to be very vigilant in assessing patients at risk of increased bleeding from a transurethral resection of the prostate by examining their medication regimen. PMID- 29218957 TI - Impact of health literacy on medication adherence in older people with chronic diseases. AB - Medication adherence is a key factor of the therapy of chronic diseases in older people with chronic diseases. Inadequate health literacy results in poor health outcomes. Therefore, the aim of this study is to investigate the effect of health literacy on medication adherence to provide information for improving health outcomes in older people with chronic disease. This was a cross-sectional study of older people (people aged over 65 years) with chronic diseases in Korea taking one or more medications for 6 months and over from an academic referral medical center. Each patient completed a structured questionnaire by interview or self report. Of the 291 older participants, 30.6% had high medication adherence. In hierarchical multiple regression analysis, health literacy was the strongest predictor of medication adherence (beta = 0.190, P = 0.001). In addition, perceived health status, use of magnifying glass, and assistance with medication administration were also significant factors related to medication adherence. In conclusion, enhancing health literacy may improve medication adherence of older people with chronic disease. The development, implementation and evaluation of health literacy interventions for older people with chronic conditions are important to increase medication adherence and potentially improve patient outcomes. Such programs would also raise awareness of the impact of health literacy on patient outcomes. Furthermore, this could contribute to reducing health inequalities worldwide. PMID- 29218958 TI - Factors contributing to nursing team work in an acute care tertiary hospital. AB - Background: Effective nursing teamwork is an essential component of quality health care and patient safety. Understanding which factors foster team work ensures teamwork qualities are cultivated and sustained. Objective: This study aims to investigate which factors are associated with team work in an Australian acute care tertiary hospital across all inpatient and outpatient settings. Methods: All nurses and midwives rostered to inpatient and outpatient wards in an acute care 600 bed hospital in Sydney Australia were invited to participate in a cross sectional survey between September to October 2013. Data were collected, collated, checked and analysed using Statistical Package for the Social Sciences (SPSS) Version 21. Factors reporting a significant correlation with where p < 0.05 were analysed in a multiple regression model. Results: A total of 501 surveys were returned. Nursing teamwork scores ranged between 3.32 and 4.08. Teamwork subscale Shared Mental Model consistently rated the highest. Mean scores for overall communication between nurses and team leadership were 3.6 (S.D. 0.57) and 3.8 (SD 0.6) respectively. Leadership and communication between nurses were significant predictors of team work p < 0.001. Conclusion: Our findings describe factors predictive of teamwork in an acute care tertiary based hospital setting across inpatient and outpatient specialty units. Our findings are of particular relevance in identifying areas of nurse education and workforce planning to improve nursing team work. PMID- 29218959 TI - Self-efficacy, depression and self-care activities of people with type 2 diabetes in Turkey. AB - Background: Self-efficacy related to self-care behaviors in people with type 2 diabetes has been well reported. However no work has been reported in Turkey that uses reliable instruments to examine the relationships among self-care activities, depression and self-efficacy. Aim: This study aims to investigate self-care activities, depression and self-efficacy among people with type 2 diabetes in Turkey. Methods: The sample included 200 patients with type 2 diabetes from an endocrinology outpatient clinic at a university hospital. Self care activities, self-efficacy, and symptoms of depression were measured using established instruments: The Summary for Diabetes Self-Care Activities, the Self Efficacy Scale, and the Beck Depression Inventory. Descriptive and correlational statistics were used in data analysis. Findings: One in three (37.5%) of participants had depression symptoms. Beck Depression Inventory scores were higher in women and in those with a lower education level, had diabetic complications and difficulty in meeting health care costs. The mean self-efficacy score was 66.5 +/- 14.0; those who lived alone, were unemployed and knew their HbA1c level had significantly higher scores (p < .05). Demographic and diabetes characteristics including age, education, social support, diabetes complications, HbA1c level, and having diabetes education were found to be significantly associated with all self-care activities except smoking. Conclusion: The association between self-efficacy and self-care activities was positive. Interventions to improve patients' self-efficacy and self-care are needed in order to maximize diabetes self-management. PMID- 29218960 TI - Shifting the load: Improving bioscience performance in undergraduate nurses through student focused learning. AB - Background: Bioscience has a long history of being challenging to teach and learn within nursing courses and little has been published on new ways to assist students in their learning. The aim of this study was to determine which of three different interventions would assist student performance in a nursing bioscience unit. Method: To begin, the contribution of recent prior learning in science was investigated by comparing the final exam marks of 182 students in the bioscience unit with the science marks they achieved at high (secondary) school. The effect of recent prior learning was then tested by investigating whether the first intervention, a pre-nursing bioscience workshop of 63 students, would substitute for recent high school science. Two further interventions were tested that used a stronger student-focused contribution to the teaching and learning within the bioscience unit. These were the Human Body Club which was composed of 44 under performing students and an online learning platform known as LearnSmart that was used by a cohort of 263 students. Results and discussion: Good and recent high school attainment in the sciences did improve student performance, whilst recent prior learning in the form of a bioscience workshop did not. Both student-focused interventions improved student performance. The longer a student spent using LearnSmart the more their mark increased. However, the Human Body Club which provided additional support and shifted the bulk of the teaching and learning to the students was the most effective of the three interventions in assisting students to pass the bioscience unit. PMID- 29218961 TI - The black and white and shades of grey of boundary violations. AB - Using a Constructivist Grounded Theory approach (Charmaz, 2006), this research examined the social construct of the "professional boundary" necessary in mental health therapeutic work and the problem of professional boundary violations in the therapeutic relationship. Thirteen mental health clinicians from various professional disciplines commonly found in mental health clinical practice responded to three specific questions designed to gain an understanding about how clinicians gauge the differences between minor and serious boundary violations. The three questions facilitated further exploration of boundary violations specifically to explore the difficulties of determining what is and what is not considered a boundary violation often resulting in polarised views or "black and white" descriptions and opinions. However many shades of grey were also revealed during the interviews.Almost all participants rated intimacy or sexual contact with a client or an ex-client as being a serious boundary violation, on the other hand there was a great deal of variety in the examples offered as minor boundary violations. Whilst the "Black" is clearly defined by clinicians in this research, the "White" only seemed to create more "Grey" areas, with descriptions of behaviours that fell into the Grey area being more difficult to define. PMID- 29218962 TI - Schistosomiasis and soil-transmitted helminthiases: number of people treated in 2016. PMID- 29218963 TI - Mental health recovery: A review of the peer-reviewed published literature. AB - The concept of mental health recovery promotes collaborative partnership among consumers, carers and service providers. However views on mental health recovery are less explored among carers and service providers. The aim of this review was to analyse contemporary literature exploring views of mental health consumers, carers and service providers in relation to their understanding of the meaning of mental health recovery and factors influencing mental health recovery. The literature review questions were: How is mental health recovery and factors influencing mental health recovery viewed by consumers, carers and service providers? What are the differences and similarities in those perceptions? How can the outcomes and recommendations inform the Australian mental health practices? A review of the literature used selected electronic databases and specific search terms and supplemented with manual searching. Twenty-six studies were selected for review which included qualitative, mixed method, and quantitative approaches and a Delphi study. The findings indicated that the concept of mental health recovery is more explored among consumers and is seldom explored among carers and service providers. The studies suggested that recovery from mental illness is a multidimensional process and the concept cannot be defined in rigid terms. In order to achieve the best possible care, the stakeholders require flexible attitudes and openness to embrace the philosophy. PMID- 29218964 TI - New perspectives on understanding cultural diversity in nurse-patient communication. AB - Effective communication is essential in developing rapport with patients, and many nursing roles such as patient assessment, education, and counselling consist only of dialogue. With increasing cultural diversity among nurses and patients in Australia, there are growing concerns relating to the potential for miscommunication, as differences in language and culture can cause misunderstandings which can have serious impacts on health outcomes and patient safety (Hamilton & Woodward-Kron, 2010). According to Grant and Luxford (2011)) there is little research into the way health professionals approach working with cultural difference or how this impacts on their everyday practice. Furthermore, there has been minimal examination of intercultural nurse-patient communication from a linguistic perspective. Applying linguistic frameworks to nursing practice can help nurses understand what is happening in their communication with patients, particularly where people from different cultures are interacting. This paper discusses intercultural nurse-patient communication and refers to theoretical frameworks from applied linguistics to explain how miscommunication may occur. It illustrates how such approaches will help to raise awareness of underlying causes and potentially lead to more effective communication skills, therapeutic relationships and therefore patient satisfaction and safety. PMID- 29218965 TI - Moral courage in undergraduate nursing students: A literature review. AB - Aim: The aim of this review was to explore factors which facilitate or inhibit undergraduate nursing students' willingness to demonstrate moral courage when confronted by poor patient care. Methods: Included papers were those that met the criteria of being qualitative research that explored undergraduate nursing students' depictions of situations where moral courage was or was not demonstrated during clinical placements, with a particular focus on situations that impacted or had the potential to impact the quality of patient care.Papers were reviewed using the Critical Appraisal Skills Programme Qualitative Research Checklist. The 15 papers included in the review were then thematically analysed. Findings: The literature reports, despite feeling a moral obligation to act, most nursing students lack the moral courage to intervene or speak up when faced with poor practice. While students may subsequently report the behaviour, at the time of the event, they often remain passive spectators and sometimes even active participants. The major themes identified in the literature were: just a student, don't rock the boat, fear of consequences, mentor-student relationship, and patient advocate identity. The literature also identified that nursing students suffer ongoing moral distress when they do not have the courage to confront poor practice. Conclusion: There is a need for further research to explore positive examples of how nursing students demonstrate moral courage when undertaking clinical placements. These narratives have the potential to influence future students' attitudes, values and behaviours by providing stimulus materials for teaching. PMID- 29218966 TI - Building compassion literacy: Enabling care in primary health care nursing. AB - This paper introduces the concept of compassion literacy and discusses its place in nursing within the general practice setting. Compassion literacy is a valuable competency for sustaining the delivery of high quality care. Being compassion literate enables practice nurses to provide compassionate care to their patients and to recognise factors that may constrain this. A compassion literate practice nurse may be more protected from compassion fatigue and its negative consequences. Understanding how to enable self-compassion and how to support the delivery of compassionate care within the primary care team can enhance the care experienced by the patient while improving the positive engagement and satisfaction of the health professionals. The capacity to deliver compassionate care can be depleted by the day-to-day demands of the clinical setting. Compassion literacy enables the replenishing of compassion, but the development of compassion literacy can be curtailed by personal and workplace barriers. This paper articulates why compassion literacy should be an integral aspect of practice nursing and considers strategies for enabling compassion literacy to develop and thrive within the workplace environment. Compassion literacy is also a valuable opportunity for practice nurses to demonstrate their key role within the multidisciplinary team of general practice, directly enhancing the quality of the care delivered. PMID- 29218967 TI - Call for national dialogue: Adapting standards of care in extreme events. We are not ready. AB - Clinical practices are based on a common understanding of nursing's professional standards in all aspects of patient care, no matter what the circumstances are. Circumstances can however, change dramatically due to emergencies, disasters, or pandemics and may make it difficult to meet the standard of care in the way nurses are accustomed. The Australian nursing profession has not yet facilitated a broad discussion and debate at the professional and institutional level about adapting standards of care under extreme conditions, a dialogue which goes beyond the content of basic emergency and disaster preparedness. The purpose of this paper is to encourage discussion within the nursing profession on this important ethical and legal issue. A comprehensive review of the literature was undertaken to determine the state of the evidence in relation to adapting standards of care under extreme conditions. Content analysis of the literature identified categories related to adapting standards of care that have been considered by individuals or groups that should be considered in Australia, should a dialogue be undertaken.The categories include ethical expectations of professional practice; legal interpretation of care requirements, resource priority between hospital and public health and informing communities.Literature reviews and commentary may provide the background for a national dialogue on the nursing response in an extreme event. However, it is only with the engagement of a broadly representative segment of the professional nursing community that appropriate guidance on adapting standards of care under extreme conditions can be developed and then integrated into the professional worldview of nursing in Australia. PMID- 29218968 TI - The psychiatry-integrated nurse practitioner role in hemodialysis: An opportunity to provide nurse practitioner care between the interface of psychiatry and hemodialysis. AB - The mental health of patients living with end-stage kidney disease (ESKD) is an important aspect of their care. According to national survey data, depressive disorders affect about 9% of the North American population (Kessler, Chiu, Demler, Merikangas, & Walters, 2005). A review of psychological distress and depression across the spectrum of chronic kidney disease indicates that the prevalence of depression in ESKD is reported to be about four times that of the general population and it is associated with adverse outcomes including low quality-of-life ratings, graft failure, and death after renal transplantation (Zalai, Szeifert, & Novak, 2012). At St. Michael's Hospital (SMH), patients on hemodialysis (HD) requiring psychiatry consultation had traditionally been referred to a dedicated outpatient psychiatrist. This presented challenges around access to psychiatry assessment and follow-up, as patients were reluctant to attend appointments outside of HD visits. The team recognized these challenges and addressed them through the introduction of the Medical Psychiatry NP (MP NP) role, as the point-of-care consultant in HD. PMID- 29218969 TI - Acute kidney injury secondary to lymphoma. PMID- 29218970 TI - Are you SURE about your vascular access? Exploring factors influencing vascular access decisions with chronic hemodialysis patients and their nurses. AB - A major decision for patients with stage 5 chronic kidney disease (CKD) relates to vascular access (VA) for treatment. Patients who receive pre-dialysis care often defer making a decision, which results in initiation of hemodialysis (HD) with a central venous catheter (CVC) in an urgent or emergent situation. Little is known about how individuals make decisions around VA. In this context, a mixed methods study was undertaken to explore uncertainty related to changing their VA from an existing CVC to a graft or fistula. Quantitative assessment was measured using the SURE tool and interviews with patients and nurses were conducted. Results revealed that none of the 16 patient participants reported uncertainty. Qualitative findings revealed that patient decisions about access were impacted by observations, experiences, and dialogue in the hemodialysis unit. Study findings have important implications including the challenge of reconciling epidemiologic population-based risk measurement to the individual patient's situation. Moreover, the SURE tool was viewed as a mechanism to open a dialogue to confirm patients' decisions and provide further education and/or support following HD initiation. PMID- 29218971 TI - An Evaluation of Medication Reconciliation in an Outpatient Nephrology Clinic. AB - Background: Accreditation Canada recognizes medication reconciliation as a key required organizational practice (ROP) to enhance patient safety. Patients with chronic kidney disease (CKD) carry a high risk for adverse drug events due to multiple co-morbidities, using many medications, and being cared for by many practitioners. Data evaluating the benefits of ambulatory medication reconciliation (AmbMR) in patients with advanced CKD is limited. Methods: We retrospectively evaluated types and rates of medication discrepancies and their potential index for patient harm using the Cornish classification system in a cohort of consecutive non-dialysis-dependent CKD stage 5 patients who received AmbMR. Results: AmbMR was conducted 225 times on 115 patients during the study period. One hundred eighty medication discrepancies were identified. The most common discrepancy identified was incorrect drug followed by discrepant dose, discrepant frequency, and drug omission. Sixty-three percent of discrepancies were classified as unlikely to cause patient discomfort or clinical deterioration, 36% were classified as likely to cause moderate harm, and one percent was classified as potential to cause serious harm. Conclusion: Medication discrepancies are common in patients with advanced CKD. Nearly a quarter of patients may experience moderate discomfort or clinical deterioration from discrepancies. Our study showed that in patients with non-dialysis-dependent CKD stage 5, the risk of patient harm associated with medication discrepancies can be reduced by conducting AmbMR. PMID- 29218972 TI - The Canadian Organ Replacement Register: From data submission to final reports. PMID- 29218973 TI - Recent Changes in Anemia Management: The Kidney Disease Improving Global Outcomes (KDIGO) Anemia Guideline versus the Canadian Society of Nephrology (CSN). AB - The management of anemia is important for health outcomes for people with chronic kidney disease (CKD). Global evidenced-based guidelines must be placed in the Canadian context to be relevant to guide practice. This paper summarizes the response of the Canadian Society of Nephrology to global anemia management guidelines in CKD and the implications for practice. PMID- 29218974 TI - Blood pressure management in patients on hemodialysis. PMID- 29218975 TI - Opportunities and challenges caring for young adults on hemodialysis awaiting transplant. PMID- 29218976 TI - An interprofessional team that includes a nurse practitioner and patients with diabetes and chronic kidney disease. AB - Diabetes is the leading cause of chronic kidney disease (CKD). The clinical practice guidelines of the Canadian Diabetes Association were updated in 2013. We sought to identify the level of adherence to the CDA guidelines of an interprofessional team in a pre-dialysis clinic that includes a nurse practitioner, and examine how team members integrated the guidelines and optimized each provider's role. A mixed methods study was undertaken. Chart audits (n= 146) identified 10 patients who met the inclusion criteria. The level of adherence to the CDA guidelines was high for several indicators; yet a number of care activities were not well documented in the health record. Interviews (n= 7) with interprofessional team members identified specific strategies used by providers to incorporate the guidelines and optimize each team members's role. Accurate documentation of care activities is essential to assessing adherence to guidelines and informing decisions about care. PMID- 29218977 TI - Motivational interviewing: Application to end stage renal disease patients. PMID- 29218978 TI - Blood specimen labelling errors: Implications for nephrology nursing practice. AB - Patient safety is the foundation of high-quality health care, as recognized both nationally and worldwide. Patient blood specimen identification is critical in ensuring the delivery of safe and appropriate care. The practice of nephrology nursing involves frequent patient blood specimen withdrawals to treat and monitor kidney disease. A critical review of the literature reveals that incorrect patient identification is one of the major causes of blood specimen labelling errors. Misidentified samples create a serious risk to patient safety leading to multiple specimen withdrawals, delay in diagnosis, misdiagnosis, incorrect treatment, transfusion reactions, increased length of stay and other negative patient outcomes. Barcode technology has been identified as a preferred method for positive patient identification leading to a definitive decrease in blood specimen labelling errors by as much as 83% (Askeland, et al., 2008). The use of a root cause analysis followed by an action plan is one approach to decreasing the occurrence of blood specimen labelling errors. This article will present a review of the evidence-based literature surrounding blood specimen labelling errors, followed by author recommendations for completing a root cause analysis and action plan. A failure modes and effects analysis (FMEA) will be presented as one method to determine root cause, followed by the Ottawa Model of Research Use (OMRU) as a framework for implementation of strategies to reduce blood specimen labelling errors. PMID- 29218979 TI - Facilitating communication with the patient with a language barrier. PMID- 29218980 TI - Safety of Radiographic Imaging in Pregnancy AB - There are many false assumptions, both in the general population and among physicians, regarding the influence of radiation on pregnant patients and the fetus during diagnostic procedures, in spite of scientific facts based on studies. These false assumptions are mostly based on the idea that every diagnostic procedure using ionizing radiation is a cause for serious concern and that artificial abortion as a possible solution might be considered. We analyzed data from counseling of pregnant patients exposed to ionizing radiation during diagnostic procedures in the Merkur University Hospital during a 4-year period. In this period, 26 patients presented for counseling after exposure to diagnostic ionizing radiation during pregnancy. Results showed most of these patients to have been exposed to radiation between the 2nd and 3rd week of gestation (36%), between the 4th and 5th week 32%, before the 2nd week 24%, and after the 6th week of gestation less than 8%. To provide reasonable estimate of fetal doses, Report No. 174 from the National Council on Radiation Protection and Measurements (NCRP) was used. Data from the Report include estimate of the fetal dose from direct and indirect exposures. Th e mean doses were up to 0.01 cGy in 46.2%, 0.01-0.15 cGy in 19.2%, 0.2-1 cGy in 26.9% and 1 cGy or more in 7.7% of patients. None of the counseled patients had medical indication for abortion, even though in a small percentage of patients abortion was a personal subjective decision. Considering that there are no Croatian guidelines for counseling patients exposed to ionizing radiation during pregnancy, it is recommended to use the International Commission on Radiological Protection guidelines in the management of pregnant patients exposed to ionizing radiation. PMID- 29218981 TI - Extraordinary Porous Few-Layer Carbons of High Capacitance from Pechini Combustion of Magnesium Nitrate Gel. AB - Highly capacitive carbons are viewed as promising commercial materials for supercapacitors, but few species satisfy the requirements of high capacitance and low cost. Here, we demonstrate an extraordinary porous few-layer carbon by facile Pechini combustion of magnesium nitrate gel, which combined salicylic acid as a complexing agent with magnesium nitrate as an inorganic metal salt. The as synthesized carbon material delivers a capacitance of 415 F g-1, mostly stemming from a large specific surface area (~1312 m2 g-1), a fluent channel for transport of the electrolyte, as well as electrochemical redox reactions at O,N-associated active sites. Such porous few-layer carbons may accelerate the adoption of carbon based supercapacitors for commercial high-power energy storage applications. PMID- 29218982 TI - Discovery of a Novel Polyfluoroalkyl Benzenesulfonic Acid around Oilfields in Northern China. AB - The existence of more than 3000 per- and polyfluoroalkyl substances (PFASs) on the global market has prompted the identification and hazard characterization of hitherto unknown PFASs. In the present study, a novel PFAS, sodium p-perfluorous nonenoxybenzenesulfonate (OBS), was identified using Orbitrap MS/MS in water samples around a suspected application area, Daqing Oilfield, China. The peak OBS concentration was 3.2 * 103 ng/L in a sample taken near the oil well with the longest production history in Daqing. The concentrations of OBS and contribution to the sum of PFASs in surface waters displayed considerable variation among the three sampling areas (mean levels at 6.9, 50, and 5.6 * 102 ng/L with mean percentages at 9.8%, 45%, and 69% in the background, new and old oilfield areas respectively) confirming that the density of oil wells and the oil production history are important factors influencing OBS contamination in the studied areas. A preliminary assessment of acute toxicity and environmental fate indicates that OBS exhibits similar toxicity and environmental persistence to perfluorooctanesulfonic acid (PFOS). The widespread occurrence of OBS, in conjunction with its potential hazard properties, underscores the need to further study on the bioaccumulation and potential for human exposure. PMID- 29218983 TI - Electrochemical Fouling of Dopamine and Recovery of Carbon Electrodes. AB - A significant problem with implantable sensors is electrode fouling, which has been proposed as the main reason for biosensor failures in vivo. Electrochemical fouling is typical for dopamine (DA) as its oxidation products are very reactive and the resulting polydopamine has a robust adhesion capability to virtually all types of surfaces. The degree of DA fouling of different carbon electrodes with different terminations was determined using cyclic voltammetry (CV) and scanning electrochemical microscopy (SECM) approach curves and imaging. The rate of electron transfer kinetics at the fouled electrode surface was determined from SECM approach curves, allowing a comparison of insulating film thickness for the different terminations. SECM imaging allowed the determination of different morphologies, such as continuous layers or islands, of insulating material. We show that heterogeneous modification of carbon electrodes with carboxyl-amine functionalities offers protection against formation of an insulating polydopamine layer, while retaining the ability to detect DA. The benefits of the heterogeneous termination are proposed to be due to the electrostatic repulsion between amino-functionalities and DA. Furthermore, we show that the conductivity of the surfaces as well as the response toward DA was recovered close to the original performance level after cleaning the surfaces for 10-20 cycles in H2SO4 on all materials but pyrolytic carbon (PyC). The recovery capacity of the PyC electrode was lower, possibly due to stronger adsorption of DA on the surface. PMID- 29218984 TI - Catalytic Organic Reactions in Water toward Sustainable Society. AB - Traditional organic synthesis relies heavily on organic solvents for a multitude of tasks, including dissolving the components and facilitating chemical reactions, because many reagents and reactive species are incompatible or immiscible with water. Given that they are used in vast quantities as compared to reactants, solvents have been the focus of environmental concerns. Along with reducing the environmental impact of organic synthesis, the use of water as a reaction medium also benefits chemical processes by simplifying operations, allowing mild reaction conditions, and sometimes delivering unforeseen reactivities and selectivities. After the "watershed" in organic synthesis revealed the importance of water, the development of water-compatible catalysts has flourished, triggering a quantum leap in water-centered organic synthesis. Given that organic compounds are typically practically insoluble in water, simple extractive workup can readily separate a water-soluble homogeneous catalyst as an aqueous solution from a product that is soluble in organic solvents. In contrast, the use of heterogeneous catalysts facilitates catalyst recycling by allowing simple centrifugation and filtration methods to be used. This Review addresses advances over the past decade in catalytic reactions using water as a reaction medium. PMID- 29218985 TI - Stable and Photoswitchable Carbon-Dot Liposome. AB - Carbon-dot (C-dot) liposome consisting of several thousands of C-dots shows interesting photoswitching properties. The water-dispersible C-dot liposome possesses intrinsic photoluminescence (PL) and is stable against salt and photoirradiation. The PL of C-dot liposome can be turned off and then on under photoirradiation over the wavelength regions of 510-540 nm and 365-420 nm, respectively. Like reported C-dots, the C-dot liposome emits various colors when excited at different wavelengths. Having great stability and high contrast, images of individual C-dot liposome have been recorded, showing negligible photoblinking. Through a simple photolithographic approach, micropatterns of C dot liposomes emitting different colors have been fabricated. PMID- 29218986 TI - Collection Method of SERS Active Nanoparticles for Sensitive and Precise Measurements. AB - Developing surface-enhanced Raman spectroscopy (SERS) based biosensors requires not only synthesizing SERS active nanoparticles or nanoprobes that produce intense signal but also collecting them in a consistent manner to obtain sensitive and precise measurements. Nanoprobes are commonly measured in solution; however, this approach has several disadvantages that can reduce sensitivity, such as probing only a small percentage of the nanoprobes present in the sample. In this work, a novel collection device was designed, built, and tested which consistently concentrates nanoprobes in a specific area to yield highly sensitive (femtomolar) and repeatable measurements. A particular silica nanoprobe composed of aggregated silver nanoparticles with Raman reporters on them was synthesized and functionalized to measure it on the collection device. The collection device was assessed by collecting several concentrations of nanoprobes and comparing their SERS intensities to determine their limit of detection and the precision on the device. In addition, a competitive binding assay to detect cardiac Troponin I (cTnI) was used as an example to demonstrate the functionality of the nanoprobe and collection device. Nanoprobe samples (10 MUL) were detected with less than 10% coefficient of variation (CV) across a range from nearly 27.4 fM to 1.7 pM using the described collection method. In the example assay, several cTnI concentrations ranging from 0 to 250 ng/mL were detected. PMID- 29218987 TI - Simple Synthesis of Au-Pd Alloy Nanowire Networks as Macroscopic, Flexible Electrocatalysts with Excellent Performance. AB - The present work introduces a new way to prepare Au-Pd alloy nanowire networks (NWNs) via deposition of Pd atoms onto Au nanowires in reaction media at room temperature without the aid of additional reducing agents. Thanks to their excellent colloidal stability in water as well as in ethanol, the resulting NWNs can be utilized to produce composite thin films with Nafion (perfluorinated sulfonic acid) with dimensions above dozens of square centimeters by means of solution casting on the glass substrate. Most importantly, these films can be easily transferred onto different solid substrates by lift-off technology. Moreover, the resulting Au-Pd alloy NWNs can also be easily and thoroughly loaded into macroscopic carbon fiber cloth (CFC). Both the Au-Pd alloy NWN/Nafion composite film and the Au-Pd alloy NWN-loaded CFC can be used as flexible electrodes for electrocatalysis of ethanol oxidation, with electrocatalytic performance at different distorted states superior by 2 orders of magnitude to those reported in the literature (e.g., commercial Pd/C catalysts and Pd-based nanostructured catalysts). This work opens new possibilities for the large-scale manufacturing of electrodes for fuel cells. PMID- 29218988 TI - Access to 2,6-Disubstituted 4-Oxopiperidines Using a 6-Endo-trig Cyclization: Stereoselective Synthesis of Spruce Alkaloid and (+)-241D. AB - A synthetic route to cis-2-methyl-4-oxo-6-alkylpiperidines has been developed using a 6-endo-trig cyclization of (E)-enones. The base-mediated intramolecular cyclization was found to be general for both alkyl- and aryl-substituted enones, providing the corresponding 4-oxopiperidines in high yields (80-89%). Stereoselective reduction of the 2,6-cis-disubstituted 4-oxopiperidines then gave the 2,4,6-cis,cis-trisubstituted 4-hydroxypiperidines in high diastereoselectivity. The general nature of this approach was demonstrated with the synthesis of the natural products, spruce alkaloid and (+)-241D. PMID- 29218989 TI - Redox-Tag Processes: Intramolecular Electron Transfer and Its Broad Relationship to Redox Reactions in General. AB - Explosive growth in the use of open shell reactivity, including neutral radicals and radical ions, in the field of synthetic organic chemistry has been observed in the past decade, particularly since the advent of ruthenium complexes in 2008. These complexes generally induce single-electron transfer (SET) processes via visible-light absorption. Additionally, recent significant advancements in organic electrochemistry involving SET processes to provide open shell reactivity offer a complementary method to traditional polarity-driven reactions described by two-electron transfer processes. In this Review, we highlight the importance of intramolecular SET processes in the field of synthetic organic chemistry, which seem to be more elusive than the intermolecular versions, since they are net redox-neutral and thus cannot simply be regarded as oxidations or reductions. Such intramolecular SET processes can rationally be understood in combination with concomitant bond formations and/or cleavages, and are regulated by a structural motif that we call a "redox tag." In order to describe modern radical driven reactions involving SET processes, we focus on a classical formalism in which electrons are treated as particles rather than waves, which offers a practical yet powerful approach to explain and/or predict synthetic outcomes. PMID- 29218990 TI - Heat-Assisted Inkjet Printing of Tungsten Oxide for High-Performance Ultraviolet Photodetectors. AB - An ammonium metatungstate precursor (WO3Pr) ink was printed for tungsten oxide (WO3) UV detectors on SiO2/Si wafers with prefabricated Au electrodes. A systematic study was carried out on the printing parameters including substrate temperatures in the range of 22-80 degrees C, WO3Pr molar concentrations of 0.01, 0.02, and 0.03 M, and printing scan numbers up to 7 to understand their effects on the resulted WO3 film morphology and optoelectronic properties. It has been found that the printing parameters can sensitively affect the WO3 film morphology, which in turn impacts the WO3 photodetector performance. In particular, the printed films experienced a systematic change from discontinuous droplets at below 40 degrees C to continuous films at 40-60 degrees C of the substrate temperature. At higher temperatures, the excessive heat from the substrate not only caused drastic evaporation of the printed ink, resulting in highly nonuniform films, but also detrimental heating of the ink in the printer nozzle in proximity of the substrate, preventing continuous printing operation. An optimal printing window of the substrate temperature of 45-55 degrees C at a molar concentration of 0.02 M of ammonium metatungstate and three printing scans was obtained for the best UV detector performance. A large on/off ratio of 3538 and a high responsivity up to 2.70 A/W at 5 V bias (0.54 A/W.V) represent a significant improvement over the best report of ~0.28 MUA/W.V on WOX photodetectors, which indicates that the printed WO3 films are promising for various applications of optoelectronics and sensors. PMID- 29218991 TI - Multimodal Kelvin Probe Force Microscopy Investigations of a Photovoltaic WSe2/MoS2 Type-II Interface. AB - Atomically thin transition-metal dichalcogenides (TMDC) have become a new platform for the development of next-generation optoelectronic and light harvesting devices. Here, we report a Kelvin probe force microscopy (KPFM) investigation carried out on a type-II photovoltaic heterojunction based on WSe2 monolayer flakes and a bilayer MoS2 film stacked in vertical configuration on a Si/SiO2 substrate. Band offset characterized by a significant interfacial dipole is pointed out at the WSe2/MoS2 vertical junction. The photocarrier generation process and phototransport are studied by applying a differential technique allowing to map directly two-dimensional images of the surface photovoltage (SPV) over the vertical heterojunctions (vHJ) and in its immediate vicinity. Differential SPV reveals the impact of chemical defects on the photocarrier generation and that negative charges diffuse in the MoS2 a few hundreds of nanometers away from the vHJ. The analysis of the SPV data confirms unambiguously that light absorption results in the generation of free charge carriers that do not remain coulomb-bound at the type-II interface. A truly quantitative determination of the electron-hole (e-h) quasi-Fermi levels splitting (i.e., the open-circuit voltage) is achieved by measuring the differential vacuum-level shift over the WSe2 flakes and the MoS2 layer. The dependence of the energy-level splitting as a function of the optical power reveals that Shockley-Read-Hall processes significantly contribute to the interlayer recombination dynamics. Finally, a newly developed time-resolved mode of the KPFM is applied to map the SPV decay time constants. The time-resolved SPV images reveal the dynamics of delayed recombination processes originating from photocarriers trapping at the SiO2/TMDC interfaces. PMID- 29218992 TI - Computational Insight Into the Hydroamination of an Activated Olefin, As Catalyzed by a 1,2,4-Triazole-Derived Nickel(II) N-Heterocyclic Carbene Complex. AB - A density functional theory (DFT) investigation performed at the B3LYP/TZVP//B3LYP/6-31G(d)-LANL2DZ level of theory on the hydroamination of dimethylamine (Me2NH) on an activated olefin (namely, acrylonitrile (CH2?CHCN)), as catalyzed by a 1,2,4-triazol based nickel(II) N-heterocyclic carbene complex (namely, [1,4-dimethyl-1,2,4-triazole-5-ylidene]2 nickel dichloride) revealed that the olefin coordination pathway is favorable over the amine coordination pathway, although the initial olefin coordination step is higher in energy than the initial amine coordination step. Significantly enough, the reaction involved a crucial 1,3-proton transfer step between the resonance intermediates, i.e., the C-bound [(NHC)2Ni(CH(CN)CH2NHMe2)]+ (D) species or N-bound [(NHC)2Ni(NCCHCH2NHMe2)]+ (E) species and the intermediate [(NHC)2Ni(NCCH2CH2NMe2)]+ (F), depicting the cleavage of a N-H bond and the formation of a C-H bond facilitated by a water-assisted/amine-assisted proton shuttle. Overall, among the various pathways explored, the lowest energy pathway involved alkene coordination, followed by an amine-assisted 1,3-proton transfer step. PMID- 29218993 TI - Energy Landscape of the Substrate Translocation Equilibrium of Plasma-Membrane Glutamate Transporters. AB - Glutamate transporters maintain a large glutamate concentration gradient across synaptic membranes and are, thus, critical for functioning of the excitatory synapse. Mammalian glutamate transporters concentrate glutamate inside cells through energetic coupling of glutamate flux to the transmembrane concentration gradient of Na+. Structural models based on an archeal homologue, GltPh, suggest an elevator-like carrier mechanism. However, the energetic determinants of this carrier-based movement are not well understood. Although electrostatics play an important role in governing these energetics, their implication on transport dynamics has not been studied. Here, we combine a pre-steady-state kinetic analysis of the translocation equilibrium with electrostatic computations to gain insight into the energetics of the translocation process. Our results show the biphasic nature of translocation, consistent with the existence of an intermediate on the translocation pathway. In the absence of voltage, the equilibrium is shifted to the outward-facing configuration. Electrostatic computations confirm the intermediate state and show that the elevator-like movement is energetically feasible in the presence of bound Na+ ions, whereas a substrate-hopping model is energetically prohibitive. Our results highlight the critical contribution of charge compensation to transport and add to results from previous molecular dynamics simulations for improved understanding of the glutamate translocation process. PMID- 29218994 TI - Rh-Catalyzed Asymmetric Hydrogenation of beta-Branched Enol Esters for the Synthesis of beta-Chiral Primary Alcohols. AB - An asymmetric hydrogenation of beta-branched enol esters has been developed for the first time, providing a new route for the synthesis of beta-chiral primary alcohols. Using a (S)-SKP-Rh complex bearing a large bite angle and enol ester substrates possessing an O-fomyl directing group, the desired products were obtained in quantitative yields and with excellent enantioselectivities. PMID- 29218995 TI - Enantioselective Synthesis of Spliceostatin G and Evaluation of Bioactivity of Spliceostatin G and Its Methyl Ester. AB - An enantioselective total synthesis of spliceostatin G has been accomplished. The synthesis involved a Suzuki cross-coupling reaction as a key step. The functionalized tetrahydropyran ring was constructed from commercially available optically active tri-O-acetyl-d-glucal. Other key reactions include a highly stereoselective Claisen rearrangement, a Cu(I)-mediated 1,4 addition of MeLi to install the C8 methyl group, and a reductive amination to incorporate the C10 amine functionality of spliceostatin G. Biological evaluation of synthetic spliceostatin G and its methyl ester revealed that it does not inhibit splicing in vitro. PMID- 29218996 TI - Use of Complementary and Alternative Medicine Among Newly Diagnosed Breast Cancer Patients in Malaysia: An Early Report From the MyBCC Study. AB - BACKGROUND: The use of complementary and alternative medicine (CAM) has increased and little is known on CAM use during the initial period. Therefore, the aim was to determine prevalence of CAM use among newly diagnosed breast cancer patients prior to seeking conventional treatment. METHODS: This is a cross-sectional study involved interviewing newly diagnosed breast cancer patients in the University Malaya Medical Centre (UMMC) using a structured questionnaire. Eligible respondents were interviewedduring a routine clinical visit. RESULTS: A total of 400 patients were interviewed, of whom 139 (34.8%) were CAM users. Dietary supplementation (n = 107, 77.0%) was the most frequently used type of CAM, followed by spiritual healing (n = 40, 28.8%) and traditional Chinese medicine (n = 32, 23.0%). Malay ethnic group (n = 61, 43.9%) was the largest group of CAM users, followed by Chinese (n = 57, 41.0%) and Indian (n = 20, 14.4%). Majority of these CAM users (n = 87, 73.1%) did not disclose the use of CAM to their doctors. Most of them used remedies based on the recommendation of family and friends. Malay ethnicity and patients with 3 or more comorbidities were more likely to use CAM. CONCLUSION: There is substantial use of CAM among breast cancer patients in UMMC prior to seeking hospital treatment, and the most popular CAM modality is dietary supplements. Since, the majority of CAM users do not disclose the use of CAM to their physicians, therefore health care providers should ensure that those patients who are likely to use CAM are appropriately counseled and advised. PMID- 29218997 TI - Causes of impaired oral vaccine efficacy in developing countries. AB - Oral vaccines are less immunogenic when given to infants in low-income compared with high-income countries, limiting their potential public health impact. Here, we review factors that might contribute to this phenomenon, including transplacental antibodies, breastfeeding, histo blood group antigens, enteric pathogens, malnutrition, microbiota dysbiosis and environmental enteropathy. We highlight several clear risk factors for vaccine failure, such as the inhibitory effect of enteroviruses on oral poliovirus vaccine. We also highlight the ambiguous and at times contradictory nature of the available evidence, which undoubtedly reflects the complex and interconnected nature of the factors involved. Mechanisms responsible for diminished immunogenicity may be specific to each oral vaccine. Interventions aiming to improve vaccine performance may need to reflect the diversity of these mechanisms. PMID- 29218998 TI - VKORC1-1639A allele influences warfarin maintenance dosage among Blacks receiving warfarin anticoagulation: a retrospective cohort study. AB - AIM: The study objectives were to investigate the association between selected CYP2C9 and VKORC1 single nucleotide polymorphisms with serious bleeding or thrombotic risk, and to estimate mean daily maintenance dose of warfarin and international normalized ratio measurements among Blacks receiving warfarin anticoagulation. METHODS: We conducted a retrospective cohort study among 230 Black adults receiving warfarin for a minimum of three consecutive months with a confirmed date of first dosage. RESULTS: A lower mean daily maintenance dosage of warfarin was required to maintain an international normalized ratio measurement within the therapeutic range among Blacks with the VKORC1-1639G>A variant alleles ([G/A vs G/G, p = 0.02], [A/A vs G/A, p = 0.008] and [A/A vs G/G, p = 0.001]). CONCLUSION: Data indicated that VKORC1-1639A variant allele influenced warfarin daily maintenance dosage among our small, likely admixed Black patient population. PMID- 29218999 TI - Study of Surface Wettability Change of Unconsolidated Sand Using Diffuse Reflectance Infrared Fourier Transform Spectroscopy and Thermogravimetric Analysis. AB - The effects exerted by the adsorption of vapors of a non-polar compound (deuterated benzene) and a polar compound (water) on the surface of Ottawa sand and a sample of reservoir sand (Channel), which was previously impregnated with silicon oil or two kinds of surfactants, (2-hydroxyethyl) trimethylammonium oleate (HETAO) and (2-hydroxyethyl)trimethylammonium azelate (HETAA), were studied by diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and thermogravimetric analysis (TGA). The surface chemistry of the sandstone rocks was elucidated by X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDX). Terminal surface groups such as hydroxyls can strongly adsorb molecules that interact with these surface groups (surfactants), resulting in a wettability change. The wettability change effect suffered by the surface after treating it with surfactants was possible to be detected by the DRIFTS technique, wherein it was observed that the surface became more hydrophobic after being treated with silicon oil and HETAO; the surface became more hydrophilic after treating it with HETAA. PMID- 29219000 TI - Techniques for nothingness: Debate over the comparability of hypnosis and Zen in early-twentieth-century Japan. AB - This paper explores a debate that took place in Japan in the early twentieth century over the comparability of hypnosis and Zen. The debate was among the first exchanges between psychology and Buddhism in Japan, and it cast doubt on previous assumptions that a clear boundary existed between the two fields. In the debate, we find that contemporaries readily incorporated ideas from psychology and Buddhism to reconstruct the experiences and concepts of hypnosis and Buddhist nothingness. The resulting new theories and techniques of nothingness were fruits of a fairly fluid boundary between the two fields. The debate, moreover, reveals that psychology tried to address the challenges and possibilities posed by religious introspective meditation and intuitive experiences in a positive way. In the end, however, psychology no longer regarded them as viable experimental or psychotherapeutic tools but merely as particular subjective experiences to be investigated and explained. PMID- 29219001 TI - PI3K in cancer: its structure, activation modes and role in shaping tumor microenvironment. AB - The role of PI3K in cancer has been well established, and mutations of PIK3CA, the gene coding for catalytic subunit p110alpha of PI3K, are found in approximately 30% human cancers. The hyperactivated PI3K pathway plays a central role in the tumor cell activities such as proliferation, differentiation, chemotaxis, survival, trafficking and metabolism. Besides, PI3K pathway is involved in the regulation of angiogenesis and the host immune response against cancer. Therefore, the inhibition of PI3K pathway can yield multifaceted tumor cell-extrinsic effects that may synergize with chemotherapy, and more importantly, with the newly revived immunotherapy. Here, we review the structures and activation modes of PI3Ks and its implications in angiogenesis, extracellular matrix remodeling and tumor immunity. PMID- 29219002 TI - Relationship Between Personality Traits, Generativity, and Life Satisfaction in Individuals Attending University Programs for Seniors. AB - Personality traits of older adults and their contribution to life satisfaction and generative interest were assessed. A total of 342 older participants (66% women), mean age = 67.89 years old ( SD = 6.52, range = 55-84 years old), who attended the University of the Experience in Salamanca (Spain), were evaluated. Information on sociodemographic data, perceived health and activity, personality traits, generativity, and life satisfaction was collected using self-reported questionnaires. Results confirmed a relation between personality traits, life satisfaction, and generativity. In addition, generative concern, neuroticism, extraversion, agreeableness, and conscientiousness predicted life satisfaction at this stage. Moreover, the role of personality on generativity was confirmed. Individuals with interest and agreeableness toward others, who are organized, persistent, and motivated, are more predisposed to generativity. These results open the way to develop intervention programs that enhance positive personality traits and generative interest to improve quality of life of older people. PMID- 29219003 TI - The futile case of the aging ovary: is it mission impossible? A focused review. AB - Despite immense and impressive progress in the field of reproductive medicine, little has been achieved in terms of replenishing aged ovaries and improving their reproductive outcome. Age causes irreversible damage to human eggs in terms of quantity as well as quality. Nature probably designed women to reproduce best in their twenties and thirties. However, due to social, personal, career, educational and financial pressures, women delay pregnancies until their late thirties, by which time the chance of becoming pregnant is compromised by low fecundity rates and an increased risk of miscarriage. Age, unfortunately, is the most detrimental prognostic factor for success of fertility treatment. We have seen an increasing population of older women seeking fertility treatment. The existing evidence does not offer any clear-cut guidelines for the clinical handling of older women seeking fertility treatment. Various strategies have been tried to improve the fertility outcome of such women, but none has met with significant success. This review focuses on what can and what cannot be done in terms of improving fertility rates in older women. PMID- 29219004 TI - Predictors of malignancy in endometrial polyps: study of 421 women with postmenopausal bleeding. AB - OBJECTIVE: There is lack of consensus as whether benign-looking endometrial polyps should be removed in postmenopausal women. To help inform clinical practice, this study was conducted to quantify the prevalence and identify the predictors of hyperplasia and cancer in polyps. METHODS: The data of 2625 consecutive women attending a postmenopausal bleeding clinic were collected prospectively in a UK teaching hospital between January 2011 and December 2015. Of them, 421 (16%) women with hysteroscopically benign-looking endometrial polyps with normal background endometrium were included. RESULTS: The number of women with benign polyps versus hyperplasia or cancer in polyps was 387 (92%) vs. 34 (8%). The risk of hyperplasia and cancer in polyps was 5.5-fold and 3.5-fold higher in women with endometrial thickness >= 10.8 mm and in women with body mass index >= 32.5 kg/m2, respectively. Age, years since last period, ethnicity, recurrent postmenopausal bleeding, diabetes, hypertension, and the use of tamoxifen did not differ between the outcome groups. CONCLUSION: The prevalence of hyperplasia and cancer in benign-looking polyps is high. The independent predictors are body mass index and endometrial thickness. Removal of polyps may be warranted until hysteroscopic morphological criteria that can reliably predict the outcome are established in future research. PMID- 29219005 TI - Contemporary nationwide cardiology registers: Up-to-date registry data are required. PMID- 29219006 TI - Distribution and quantitative analysis of CIDEa and CIDEc in broiler chickens: accounting for differential fat deposition between strains. AB - 1. Differences in the expression of CIDEa and CIDEc in 20 different tissues were examined. Both CIDEa and CIDEc mRNA transcripts were predominantly but variably expressed in white adipose tissue (WAT) but were also expressed at moderate levels in the kidney and liver and at lower levels in the ovary. Interestingly, among WAT types, both CIDEa and CIDEc were expressed at the lowest levels in heart coronary WAT. 2. To better understand the roles of CIDEa and CIDEc in the fat deposition of broiler chickens, the differences in lipid droplet (LD) size and mRNA levels of CIDEa and CIDEc between lean-type and fat-type broiler chicken lines were studied. LD sizes were larger in fat-type broiler lines, and CIDEa and CIDEc mRNA levels in white adipose, kidney and liver tissues were significantly higher in fat-type broiler lines than in their lean counterparts. 3. Developmental expression patterns of CIDEa and CIDEc mRNA were analysed in different tissue types (WAT, liver and kidney) in Arbor Acres broiler chickens, and CIDEa and CIDEc mRNA expression levels increased during sequential developmental stages, achieving peak expression levels at week 6. 4. These observations suggest that the functions of CIDEa and CIDEc reflect inherent characteristics of lipid metabolism that contribute to the differences in fat deposition between strains. The results in this study contribute to a more robust understanding of the tissue distribution and expression patterns of CIDEa and CIDEc mRNA and facilitate further research concerning the molecular mechanism underlying fat deposition in broiler chickens. PMID- 29219007 TI - Anthropometric research of congenital auricular deformities for newborns. AB - OBJECTIVE: This study aimed to get the data of Neonatal auricle for helping pediatricians and obstetricians to make definite diagnosis and individualized treatment for newborn congenital auricular deformities in China. METHODS: A total of 1500 newborns' ears were evaluated in this study. Six surface measurements were performed directly on the auricles of the subjects as follows: physiognomic ear length and breadth, morphological ear length and breadth, cephalo-auricular distance, and cephalo otic angle. RESULTS: The incidence of neonatal auricular deformities in the Pearl River Delta area was 57.47% and the self-healing rate was 31.61% by the 30-day follow-up. There were significant differences between different types of auricular deformities (protruding ear, cup ear, lop ear, Stahl's ear, conchal crus, helical rim deformity, and composite deformity) and normal morphological differences of the auricle. CONCLUSIONS: Our findings suggested that individual differences in ear morphology are large and there were some differences between measurement data in our study and EarWell. Application of the EarWell system may lead to localized skin excoriations or breakdown as a result of mismatch with the ear. Therefore, early use of personalized ear molds produced by three-dimensional printing to determine if more deformed auricles may be corrected. PMID- 29219008 TI - Powered off-road wheelchair for the transportation of tetraplegics along mountain trails. AB - PURPOSE: For off-road mobility, some manual or power assisted devices were conceived to be self-driven by paraplegics while for tetraplegics non power assisted devices were conceived. These devices require one or more conductors who are subjected to a high physical demand thus potentially creating: precarious safety condition for the user an elevated physical demand of conductors could reduce the care and the attention to give to the user; the time of the outdoor adventure experience of the user could be limited. METHODS: To address these issues, an innovative user-centered power assisted off-road wheelchair for the transportation of tetraplegics along mountain trails was developed. The device, structured like a trike, is driven by two healthy conductors; the user is placed in the middle of the frame. A movable seat provides for the transfer from the standard to the off-road wheelchair. An electrical motor, powered by a battery pack, provides for the actuation. All the design and prototype aspects, the control system and experimental tests are detailed. RESULTS: The prototype satisfies mechanical, safety and duration requirements. No physical demand while using the device and for the transfer of the user to the device was identified. Fun and engaging tests were carried out and all the participants were involved. Implications for Rehabilitation The device has the potential to enhance the quality of life of tetraplegics in terms of new life experiences. The device revealed the real possibility of a full recreational experience, an enhanced participation and a better social integration of tetraplegics. PMID- 29219009 TI - MicroRNAs as potential prognosticators of neurological outcome in out-of-hospital cardiac arrest patients. AB - Out-of-hospital cardiac arrest survival rates have increased due to advancement in resuscitative measures, yet approximately 90% of survivors ultimately die or have severe neurologic dysfunction caused by ischemic injury. Currently, there are few early prognostic indicators of which patients have possibility of meaningful recovery. This leads to uncertainty for families and clinicians, as well as aggressive, invasive and expensive treatments despite medical futility. Several biomarkers investigated in traumatic brain injury have shown prognostication potential in ischemic brain injury. miRNAs, small noncoding RNAs responsible for gene regulation, have been studied in cardiovascular diseases, and have shown prognostication potential due to tissue specificity and stability in circulation. This review discusses available evidence on miRNAs prognosticating neurological outcomes after out-of-hospital cardiac arrest. PMID- 29219011 TI - Meconium aspiration syndrome: risk factors and predictors of severity. AB - PURPOSE: To identify risk factors and predictors of severity associated with meconium aspiration syndrome (MAS) in the patients admitted to the neonatal intensive care unit (NICU). MATERIALS AND METHODS: Retrospective study including newborns admitted, between 2005 and 2015, with a diagnosis of MAS. RESULTS: Of the newborns admitted to the NICU, 0.66% were diagnosed with MAS. These had higher prevalence of caesarean delivery (p < .001), nonreassuring or abnormal cardiotocography (CTG) (p < .001), intrapartum maternal fever (p = .002), Apgar scores at the first minute <7 (p < .001) and need of endotracheal intubation at birth (p < .001). Newborns with severe MAS had higher median reactive C protein (86.9 versus 9.65, p = .001) and 73.3% had pulmonary hypertension (p = .027). They required significantly more days of oxygen therapy, mechanical ventilation, nitric oxide, inotropic, and surfactant therapy, as well as longer hospital stay. CONCLUSIONS: Nonreassuring or abnormal CTG and low Apgar score at the first minute were established as risk factors for MAS and need of surfactant therapy as a predictor of severity. PMID- 29219010 TI - A review of mental health policies from Commonwealth countries. AB - BACKGROUND: The burden of disease related to mental disorders across the world is substantial. However, there remains inequality between funding for clinical and research activities between physical illness and mental illness in almost all countries. AIMS: One way of reducing this inequality is to ensure that mental health policies reflect this. We were interested in looking at the policies of members of Commonwealth. METHOD: We decided to survey 52 member countries of the Commonwealth to explore whether mental health policies existed and whether there was equity between physical and mental health services funding. Using World Health Organization (WHO) data sets and other sources when indicated, we looked at the existence and contents of mental health policies. RESULTS: We found that less than half of the countries had a mental health policy. Deinstitutionalization was not seen as a priority in many countries and there was no equity between physical and mental health funding. Although integration between physical and mental health care was recommended in many countries, there was a clear gap. CONCLUSION: It is apparent that there is still a long way to go in terms of equity between physical and mental health in terms of funding in member states of the Commonwealth. These findings confirm earlier observations of discrimination against people with mental illness. We suggest that there must be mechanisms in place to facilitate and support change wherever required. PMID- 29219012 TI - Significance of assay of nucleated RBCs in umbilical cord blood in neonates with meconium-stained amniotic fluid. AB - BACKGROUND: Approximately 8-15% of all infants are born with evidence of meconium stained amniotic fluid (MSAF). MSAF is a potentially serious sign of fetal compromise and may indicate fetal hypoxia Objectives and aim of the work: The present study was designed to evaluate the relationship between meconium stained amniotic fluid and fetal nucleated red blood cell counts. As well, we aim to evaluate the relationship between the presence of meconium in amniotic fluid and Apgar scores in neonates. SUBJECTS AND METHODS: A prospectively case-controlled study was performed on 40 women with clear amniotic fluid as control and 40 women with meconium-stained amniotic fluid as the study group. At delivery, 2 ml of umbilical cord blood was collected and analyzed for nucleated red blood cell (NRBC). RESULTS: The mean NRBC counts in meconium-stained amniotic fluid was significantly higher than the control group (18.35 +/- 7.7 and 9.6 +/- 4.96), respectively (p < .001). There were statistically significant differences concerning 1- and 5-min Apgar scores with lower values in the MSAF group (p < .001 and .001, respectively). CONCLUSION: Our results support previous studies which indicate the presence of meconium can be associated with chronic fetal hypoxia as demonstrated by elevated fetal NRBC levels. PMID- 29219013 TI - Author's response to Porter and Keefe letter to the editor regarding 'new frontiers in couple-based interventions in cancer care: refining the prescription for spousal communication'. PMID- 29219014 TI - Couple-based communication interventions for cancer: moving beyond a 'one size fits all' approach. PMID- 29219015 TI - Correction to: Zaleski et al. Guidelines of the Brazilian Association of Studies on Alcohol and Other Drugs (ABEAD) for diagnosis and treatment of psychiatric comorbidity with alcohol and other substance and dependence. PMID- 29219016 TI - Pembrolizumab in the treatment of advanced urothelial cancer. AB - Pembrolizumab is a humanized monoclonal antibody that targets PD-1. In the Phase III trial KEYNOTE-045, pembrolizumab was associated with a significant overall survival benefit when compared with docetaxel, paclitaxel and vinflunine in second line metastatic urothelial carcinoma (UC). Additionally, in the first line, early results from an interim analysis of the Phase II trial Keynote-052 study indicated that pembrolizumab is efficacious for cisplatin-ineligible patients. Based on data from these trials, pembrolizumab was the most recent among the five checkpoint inhibitors tested in UC to be approved by the US FDA in May 2017. It was granted regular approval for patients with advanced-stage UC who progress after receiving platinum-based chemotherapy and accelerated approval in the first line for patients who are ineligible to receive cisplatin. PMID- 29219017 TI - Eribulin in advanced breast cancer: safety, efficacy and new perspectives. AB - Eribulin is a synthetic analog of halichondrin B belonging to microtubule targeted agents with a distinct mechanism of inhibition of microtubule dynamics. This molecule has multiple nonmitotic effects on tumor biology, exhibiting effects on epithelial-mesenchimal transition and tumor vasculature. We review here preclinical and clinical studies on eribulin. The mitotic and nonmitotic effects together with its favorable safety profile make eribulin a unique drug with high potential in the treatment of metastatic breast cancer. The new emphasis of eribulin mechanism of action on vascular remodeling, microenvironment modifications and reversal of epithelial-mesenchimal transition paves the way to rethinking the use of the drug in an immunological perspective. PMID- 29219018 TI - Gender Differences in Knee Joint Congruity Quantified from MRI: A Validation Study with Data from Center for Clinical and Basic Research and Osteoarthritis Initiative. AB - Objective Gender is a risk factor in the onset of osteoarthritis (OA). The aim of the study was to investigate gender differences in contact area (CA) and congruity index (CI) in the medial tibiofemoral (MTF) joint in 2 different cohorts, quantified automatically from magnetic resonance imaging (MRI). Design The CA and CI markers were validated on 2 different data sets from Center for Clinical and Basic Research (CCBR) and Osteoarthritis Initiative (OAI). The CCBR cohort consisted of 159 subjects and the OAI subcohort consisted of 1,436 subjects. From the MTF joint, the contact area was located and quantified using Euclidean distance transform. Furthermore, the CI was quantified over the contact area by assessing agreement of the first- and second-order general surface features. Then, the gender differences between CA and CI values were evaluated at different stages of radiographic OA. Results Female CAs were significantly higher than male CAs after normalization, male CIs were significantly higher than female CIs after correcting with age and body mass index ( P < 0.05), consistent across the 2 data sets. For the OAI data set, the gender differences were present at all stages of radiographic OA. Conclusion This study demonstrated the gender differences in CA and CI in MTF joints. The higher normalized CA and lower CI values in female knees may be linked with the increased risk of incidence of radiographic OA in females. These differences may help further understand the gender differences and/or to establish gender specific treatment strategies. PMID- 29219019 TI - Quantitative MRI of Human Cartilage In Vivo: Relationships with Arthroscopic Indentation Stiffness and Defect Severity. AB - Objective To investigate the association of cartilage defect severity, as determined by the International Cartilage Repair Society (ICRS) grading with indentation stiffness and T2 relaxation time of magnetic resonance imaging (MRI), a biomarker for the integrity of articular cartilage. Design Twenty-one patients scheduled for arthroscopic were included in the study. Prior to arthroscopy, subjects underwent quantitative MRI of articular cartilage, namely T2 relaxation time mapping at 1.5 T. Within 2 months, subjects underwent arthroscopy, which also included ICRS grading and measurement of arthroscopic indentation stiffness. Arthroscopic evaluations and T2 mapping at anterior, central, and posterior medial and lateral femoral condyles were correlated using a colocalization scheme. Differences in Young's modulus, as derived by indentation tests, and T2 times between ICRS grades were analyzed using Mann-Whitney's U or Kruskal-Wallis H tests. The correlation between modulus and T2 times was analyzed using Spearman's rank correlation coefficients. Results Modulus and T2 showed significant topographical variation. In the anterior region of interest (ROI) on the medial condyle the modulus showed a negative association with ICRS grade ( P = 0.040) and the T2 times were longer in ICRS grade 2 compared with grades 0 and 1 ( P = 0.047). Similar, but nonsignificant associations were found in the central ROI on the medial condyle. No significant correlations were observed between the indentation modulus and T2 times. Conclusions Cartilage degeneration is identified both with mechanical indentation and T2 mapping in MRI. However, in this study, indentation stiffness and T2 relaxation time in vivo, were not associated. PMID- 29219020 TI - Correlation of MRI Appearance of Autologous Chondrocyte Implantation in the Ankle with Clinical Outcome. AB - : The objective of this study was to characterize magnetic resonance imaging (MRI) findings and correlate with clinical results in patients who underwent autologous chondrocyte implantation (ACI) of osteochondral lesions of the talus (OLT). METHODS: Twenty-four grafts were evaluated at a mean 65.8 months after ACI for OLT. MRI was performed on a 1.5-T GE scanner using multiple sequences. Graft appearance was compared with preoperative MRI and evaluated for 6 criteria: defect fill, surface regularity, signal pattern, bone marrow edema, subchondral plate irregularity, and presence of cystic lesions. Clinical outcome was measured with the American Orthopaedic Foot and Ankle Society (AOFAS) clinical outcome score. RESULTS: Of 24 grafts, 22 (92%) demonstrated >75% defect fill. Eighteen (75%) had a mildly irregular and 6 (25%) had a moderately irregular articular surface. The signal pattern of the repair tissue was heterogenous in 23 (96%); 14 (58%) layered and 9 (38%) mottled. Fourteen grafts (58%) showed decreased amount of bone marrow edema while 4 (17%) had no change and 5 (21%) had an increase in the amount of bone marrow edema. The subchondral bone plate was abnormal in most grafts, with focal defects seen in 10, slight depression in 7, and both in 5. Seven had an increase in cystic lesions while the others had no change, decrease or no cysts seen. Mean postoperative AOFAS score was 87.5 with mean improvement of 39.4. CONCLUSIONS: At 66-month mean follow-up, MRI appearance of the ACI grafts show imaging abnormalities but demonstrate good clinical results. While MRI is an important tool in the postoperative assessment of ACI grafts, the various variations from a normal/nonoperative ankle must be interpreted with caution. PMID- 29219021 TI - Review of the Mechanism of Action for Supartz FX in Knee Osteoarthritis. AB - Objective Summarize the biologic effects of Supartz FX for knee osteoarthritis (OA), the first worldwide clinically approved intra-articular (IA) hyaluronic acid (HA) product. Design To determine the mechanism of action from preclinical and clinical studies, a literature search was conducted of Supartz FX using academic databases from 1987 to 2016. Articles on Supartz FX that deal with its mechanisms of action were extracted, categorized, and reviewed. Results Supartz FX has 2 potential mechanisms of action: (1) biomechanical: IA Supartz FX directly improves the viscoelasticity and lubrication of synovial fluid; (2) physiologic: IA Supartz FX penetrates synovium and cartilage tissues to reach HA receptors on the surface of synoviocytes and chondrocytes. In synovium, suppression of gene expression in inflammatory mediators results in improved endogenous HA production, improved properties of synovial fluid, and reduction in pain. In cartilage, suppression of gene expression of collagenases and aggrecanases suppresses cartilage degeneration. Conclusion The net results of basic and clinical studies is that IA Supartz FX provides a more favorable biomechanical and functional environment in the knee joint. Hence, it is not only a lubricant but is also physiologically active. These actions may help explain both short- and long-term improvement in pain and function often achieved from IA Supartz FX in knee OA. PMID- 29219022 TI - Effectiveness of Radiofrequency Hyperthermia for Treating Cartilage in Guinea Pigs with Primary Osteoarthritis. AB - Objective Autophagy was reported to be essential for maintaining chondrocyte function, and reduced autophagy leads to osteoarthritis (OA). Previous studies showed involvement of heat shock stress in the control of autophagy in cells. This study sought to investigate the effect of hyperthermia on the expression of autophagy-related proteins in articular cartilage and the progression of naturally occurring OA in Hartley guinea pigs. Design Radiofrequency pulses of 13.56 MHz were applied to the animals' knees for 20 minutes to induce hyperthermia. The knee joints were resected at 8 hours, 24 hours, 72 hours, 7 days, and 6 months after hyperthermia. Serial sections of knees were examined for histopathological changes. The expression levels of Unc-51-like kinase 1 (ULK1) and Beclin1 were analyzed by immunohistochemistry. Results Analysis of the distribution of positive cells showed that, in cases of moderate OA, ULK1 and Beclin1 expression levels were significantly decreased in the superficial zone (SZ) and middle zone (MZ) ( P < 0.01) compared with normal cartilage. Seven days after exposure to radiofrequency waves, expression levels of ULK1 and Beclin1 were augmented in the SZ in animals with mild OA. The severity of cartilage degradation was significantly reduced ( P < 0.01) in the radiofrequency-treated knees versus the untreated knees. Conclusions This study showed that heat stimulation enhanced autophagy in healthy knee chondrocytes and chondrocytes in knees with mild OA. The study also showed that long-term periodic application of hyperthermia suppresses aging-related progression of OA. The activation of autophagy by radiofrequency hyperthermia may be an effective therapeutic approach for osteoarthritis. PMID- 29219023 TI - Tenascin-C Prevents Articular Cartilage Degeneration in Murine Osteoarthritis Models. AB - Objective The objective of this study was to determine whether intra-articular injections of tenascin-C (TNC) could prevent cartilage damage in murine models of osteoarthritis (OA). Design Fluorescently labeled TNC was injected into knee joints and its distribution was examined at 1 day, 4 days, 1 week, 2 weeks, and 4 weeks postinjection. To investigate the effects of TNC on cartilage degeneration after surgery to knee joints, articular spaces were filled with 100 MUg/mL (group I), 10 MUg/mL (group II) of TNC solution, or control (group III). TNC solution of 10 MUg/mL was additionally injected twice after 3 weeks (group IV) or weekly after 1 week, 2 weeks, and 3 weeks (group V). Joint tissues were histologically assessed using the Mankin score and the modified Chambers system at 2 to 8 weeks after surgery. Results Exogenous TNC was maintained in the cartilage and synovium for 1 week after administration. Histological scores in groups I and II were better than scores in group III at 4 and 6 weeks, but progressive cartilage damage was seen in all groups 8 weeks postoperatively. Sequential TNC injections (groups IV and V) showed significantly better Mankin score than single injection (group II) at 8 weeks. Conclusion TNC administered exogenously remained in the cartilage of knee joints for 1 week, and could decelerate articular cartilage degeneration in murine models of OA. We also showed that sequential administration of TNC was more effective than a single injection. TNC could be an important molecule for prevention of articular cartilage damage. PMID- 29219024 TI - Excess Maternal Thyroxine Alters the Proliferative Activity and Angiogenic Profile of Growth Cartilage of Rats at Birth and Weaning. AB - Objective The aim of this study was to unravel the mechanisms by which thyroxine affects skeletal growth by evaluating proliferative activity and angiogenic profile of growth cartilage of neonatal and weanling rats. Methods Sixteen adult Wistar rats were equally divided into 2 groups: control and treated with thyroxine during pregnancy and lactation. The weight, measurement of plasma free T4 and thyroids, femurs' histomorphometric analysis, and proliferative activity and angiogenic profile by immunohistochemical or real-time reverse transcriptase polymerase chain reaction in growth cartilage was performed. Data were analyzed using Student's t test. Results The free T4 was significantly higher in the treated rats. However, the height of the follicular epithelium of the thyroid in newborns was significantly lower in the treated group. The excess maternal thyroxine significantly reduced the body weight and length of the femur in the offspring but significantly increased the thickness of trabecular bone and changed the height of the zones of the growth plate. Furthermore, excess maternal thyroxine reduced cell proliferation and vascular endothelial growth factor (VEGF) expression in the growth cartilage of newborn and 20-day-old rats ( P < 0.05). There was also a reduction in the immunohistochemical expression of Tie2 in the cartilaginous epiphysis of the newborns and FLK-1 in the articular cartilage of 20-day-old rats. No significant difference was observed in Ang2 expression. Conclusions The excess maternal thyroxine during pregnancy and lactation reduced endochondral bone growth in the progeny and reduced the proliferation rate and VEGF, Flk-1, and Tie2 expression in the cartilage of growing rats without altering the mRNA expression of Ang1 and Ang2. PMID- 29219026 TI - Improving long-term outcomes of acute cardiovascular syndromes. PMID- 29219025 TI - The Effect of Growth Hormone on Chondral Defect Repair. AB - Objective Focal chondral defects alter joint mechanics and cause pain and debilitation. Microfracture is a surgical technique used to treat such defects. This technique involves penetration of subchondral bone to release progenitor cells and growth factors from the marrow to promote cartilage regeneration. Often this results in fibrocartilage formation rather than structured hyaline cartilage. Some reports have suggested use of growth hormone (GH) with microfracture to augment cartilage regeneration. Our objective was to test whether intra-articular (IA) GH in conjunction with microfracture, improves cartilage repair in a rabbit chondral defect model. We hypothesized that GH would exhibit a dose-dependent improvement in regeneration. Design Sixteen New Zealand white rabbits received bilateral femoral chondral defects and standardized microfracture repair. One group of animals ( n = 8) received low-dose GH by IA injection in the left knee, and the other group ( n = 8) received high-dose GH in the same manner. All animals received IA injection of saline in the contralateral knee as control. Serum assays, macroscopic grading, and histological analyses were used to assess any improvements in cartilage repair. Results Peripheral serum GH was not elevated postoperatively ( P = 0.21). There was no improvement in macroscopic grading scores among either of the GH dosages ( P = 0.83). Scoring of safranin-O-stained sections showed no improvement in cartilage regeneration and some evidence of increased bone formation in the GH-treated knees. Conclusions Treatment with either low- or high-dose IA GH does not appear to enhance short-term repair in a rabbit chondral defect model. PMID- 29219027 TI - Effectiveness of psycho-educational interventions with telecommunication technologies on emotional distress and quality of life of adult cancer patients: a systematic review. AB - PURPOSE: To provide a comprehensive review of psycho-educational interventions using telecommunication technologies developed for adult cancer patients, assessing their effectiveness in reducing emotional distress and improving quality of life (QoL). MATERIALS AND METHODS: A narrative approach was used for extraction and synthesis of the data. Relevant studies were identified through the electronic databases PubMed, Scopus, Web of Science, ProQuest, Psychology & Behavioral Sciences Collection (through EBSCOhost), and CENTRAL. RESULTS: Eight studies involving 1016 participants met inclusion criteria. The majority of the studies included (n = 6) used a randomized design and were published between 2007 and 2016. Interventions used a variety of delivery resources, such as telephone, e-mail and websites, but all were aiming to respond to information needs and develop stress control skills. A trend toward reducing distress and improving QoL was found, but estimated effect sizes were typically small (d < 0.5). Telephonically delivered psycho-educational interventions presented the highest between-group effects on these outcomes during survival, but were limited by sample size. CONCLUSIONS: The efficacy of interventions using distance approaches in the cancer setting is still not well-established. Further research should be conducted through well-designed studies with more interactive features that minimize the lack of face-to-face interaction. Implications for rehabilitation Rehabilitation professionals working in the field of oncology should invest in the development of psycho-educational interventions responding the patients' educational needs and promoting their stress control skills. Programs using telecommunications technologies may reduce disparities in service delivery within this setting, minimizing geographic and socio-economic barriers to engagement in the interventions. With the current technological development, it is possible to perform more interactive interventions that stimulate therapist-patient interactions. However, available protocols in this field still employ basic resources (e.g., websites, e-mail, and videos). Young adult cancer patients are exposed to additional requirements related to fertility and parenthood. New intervention approaches should consider their informational needs. PMID- 29219028 TI - Ambulatory pulse pressure, brain neuronal fiber integrity, and cerebral blood flow in older adults. AB - Ambulatory blood pressure (ABP) reflects the end-organ vascular stress in daily life; however, its influence on brain neuronal fiber integrity and cerebral blood flow (CBF) remains unclear. The objective of this study was to determine the associations among ABP, white matter (WM) neuronal fiber integrity, and CBF in older adults. We tested 144 participants via ABP monitoring and diffusion tensor imaging. The total level and pulsatile indices of CBF were measured by phase contrast MRI and transcranial Doppler, respectively. Neuropsychological assessment was conducted in 72 participants. Among ambulatory and office BP measures, elevated 24-h pulse pressure (PP) was associated with the greatest number of WM skeleton voxels with decreased fractional anisotropy (FA) and increased mean diffusivity (MD). Furthermore, these associations remained significant after adjusting for age, antihypertensive use, aortic stiffness, WM lesion volume, and office PP. Radial diffusivity (RD) was elevated in the regions with decreased FA, while axial diffusivity was unaltered. The reduction in diastolic index explained a significant proportion of the individual variability in FA, MD, and RD. Executive function performance was correlated with WM fiber integrity. These findings suggest that elevated ambulatory PP may deteriorate brain neuronal fiber integrity via reduction in diastolic index. PMID- 29219029 TI - Determination of Stent Frame Displacement After Endovascular Aneurysm Sealing. AB - PURPOSE: To describe and validate a new methodology for visualizing and quantifying 3-dimensional (3D) displacement of the stent frames of the Nellix endosystem after endovascular aneurysm sealing (EVAS). METHODS: The 3D positions of the stent frames were registered to 5 fixed anatomical landmarks on the post EVAS computed tomography (CT) scans, facilitating comparison of the position and shape of the stent frames between consecutive follow-up scans. Displacement of the proximal and distal ends of the stent frames, the entire stent frame trajectories, as well as changes in distance between the stent frames were determined for 6 patients with >5-mm displacement and 6 patients with <5-mm displacement at 1-year follow-up. The measurements were performed by 2 independent observers; the intraclass correlation coefficient (ICC) was used to determine interobserver variability. RESULTS: Three types of displacement were identified: displacement of the proximal and/or distal end of the stent frames, lateral displacement of one or both stent frames, and stent frame buckling. The ICC ranged from good (0.750) to excellent (0.958). No endoleak or migration was detected in the 12 patients on conventional CT angiography at 1 year. However, of the 6 patients with >5-mm displacement on the 1-year CT as determined by the new methodology, 2 went on to develop a type Ia endoleak in longer follow-up, and displacement progressed to >15 mm for 2 other patients. No endoleak or progressive displacement was appreciated for the patients with <5-mm displacement. CONCLUSION: The sac anchoring principle of the Nellix endosystem may result in several types of displacement that have not been observed during surveillance of regular endovascular aneurysm repairs. The presented methodology allows precise 3D determination of the Nellix endosystems and can detect subtle displacement better than standard CT angiography. Displacement >5 mm on the 1 year CT scans reconstructed with the new methodology may forecast impaired sealing and anchoring of the Nellix endosystem. PMID- 29219030 TI - Laser Atherectomy Combined With Drug-Coated Balloon Angioplasty Is Associated With Improved 1-Year Outcomes for Treatment of Femoropopliteal In-Stent Restenosis. AB - PURPOSE: To examine whether laser atherectomy combined with drug-coated balloons (laser + DCB) can improve the outcomes of femoropopliteal (FP) in-stent restenosis (ISR). METHODS: A dual-center retrospective study was conducted of 112 consecutive patients (mean age 70.3+/-10.6 years; 86 men) with Tosaka class II (n=29; diffuse stenosis) or III (n=83; occlusion) FP-ISR lesions. Sixty-two patients (mean age 68.5+/-10 years; 51 men) underwent laser + DCB while the other 50 patients (mean age 72.5+/-10.8 years; 35 men) had laser atherectomy plus balloon angioplasty (laser + BA). Critical limb ischemia was the indication in 33% of the interventions. The average lesion length was 247 mm. A Cox regression hazard model was developed to examine the association between laser + DCB vs laser + BA; the results are presented as the hazard ratio (HR) and 95% confidence interval (CI). One-year target lesion revascularization (TLR) and reocclusion were estimated using the Kaplan-Meier method. RESULTS: Overall procedure success was 98% and was similar between groups. Bailout stenting was less often required in the laser + DCB group (31.7% vs 58%, p=0.006). The combination of laser + DCB was associated with improved 12-month estimates for freedom from TLR (72.5% vs 50.5%, p=0.043) and freedom from reocclusion (86.7% vs 56.9%, p=0.003). Among patients with Tosaka III FP-ISR, combination therapy with laser + DCB was also associated with increased freedom from reocclusion (87.1% vs 57.1%, p=0. 028). On multivariable analysis, treatment with laser + DCB was associated with a significantly reduced risk of reocclusion (HR 0.08, 95% CI 0.17 to 0.38; p=0.002). CONCLUSION: When used for treatment of complex FP-ISR lesions, DCB angioplasty combined with laser atherectomy is associated with significantly reduced 1-year TLR and reocclusion rates. PMID- 29219031 TI - The role of community pharmacists in the identification and ongoing management of women at risk for perinatal depression: A qualitative study. AB - BACKGROUND: While pharmacists are among the most accessible primary health professionals within a mother's healthcare team to identify potential cases of perinatal depression (PND), very little in the literature suggests that this role has been explored. AIM: The aim of this study was to explore community pharmacists' perspectives on their potential roles in perinatal mental health promotion (recognition and health education) and the factors affecting these roles. METHODS: In total, 20 semi-structured, in-depth interviews were conducted with community pharmacists. RESULTS: Most pharmacists highlighted their significant roles in recognising PND symptoms and providing medication-related support to perinatal mothers. Barriers to service provision included inter professional role boundaries, the lack of established referral systems and service remuneration and the lack of adequate training in mental health. CONCLUSION: Pharmacists could potentially reinforce their involvement in mental health promotion activities. PMID- 29219032 TI - Corrigendum. AB - Corrigendum to "Change in perception of sclerotherapy results after exposure to pre-post intervention photographs" by Fabricio R Santiago, Mario Piscoya, Yung Wei Chi. The article was first published online, 23 October 2017 https://doi.org/10.1177/0268355517736178 . The authors wish to notify readers of the following change: In page 1 - "abstract", Line 32 - "Results," in the sentence: "Individuals were more satisfied with the results of sclerotherapy after exposure to images portraying their limbs two months before the procedure (p < 0.0028)," the word before in "portraying their limbs two months before" should be replaced with after, this ensures that the results make sense. The correct sentence should read, "Individuals were more satisfied with the results of sclerotherapy after exposure to images portraying their limbs two months after the procedure (p < 0.0028)." Subsequent versions of the article will be corrected. PMID- 29219033 TI - Complex Relationships Among Masculine Norms and Health/Well-Being Outcomes: Correlation Patterns of the Conformity to Masculine Norms Inventory Subscales. AB - The Conformity to Masculine Norms Inventory (CMNI) is a widely used multidimensional scale. Studies using the CMNI most often report only total scale scores, which are predominantly associated with negative outcomes. Various studies since the CMNI's inception in 2003 using subscales have reported both positive and negative outcomes. The current content analysis examined studies ( N = 17) correlating the 11 subscales with 63 criterion variables across 7 categories. Most findings were consistent with past research using total scale scores that reported negative outcomes. For example, conformity to masculine norms has been inversely related to help-seeking and positively correlated with concerning health variables, such as substance use. Nonetheless, past reliance on total scores has obscured the complexity of associations with the CMNI in that 30% of the findings in the present study reflected positive outcomes, particularly for health promotion. Subscales differed in their relationships with various outcomes: for one subscale they were predominantly positive, but six others were mostly negative. The situational and contextual implications of conformity to masculine norms and their relationships to positive and negative outcomes are discussed. PMID- 29219034 TI - Measuring Relative Coupling Strength in Circadian Systems. AB - Modern imaging techniques allow the monitoring of circadian rhythms of single cells. Coupling between these single cellular circadian oscillators can generate coherent periodic signals on the tissue level that subsequently orchestrate physiological outputs. The strength of coupling in such systems of oscillators is often unclear. In particular, effects on coupling strength by varying cell densities, by knockouts, and by inhibitor applications are debated. In this study, we suggest to quantify the relative coupling strength via analyzing period, phase, and amplitude distributions in ensembles of individual circadian oscillators. Simulations of different oscillator networks show that period and phase distributions become narrower with increasing coupling strength. Moreover, amplitudes can increase due to resonance effects. Variances of periods and phases decay monotonically with coupling strength, and can serve therefore as measures of relative coupling strength. Our theoretical predictions are confirmed by studying recently published experimental data from PERIOD2 expression in slices of the suprachiasmatic nucleus during and after the application of tetrodotoxin (TTX). On analyzing the corresponding period, phase, and amplitude distributions, we can show that treatment with TTX can be associated with a reduced coupling strength in the system of coupled oscillators. Analysis of an oscillator network derived directly from the data confirms our conclusions. We suggest that our approach is also applicable to quantify coupling in fibroblast cultures and hepatocyte networks, and for social synchronization of circadian rhythmicity in rodents, flies, and bees. PMID- 29219035 TI - Effect of repeated application of pendimethalin on its persistence and dissipation kinetics in soil under field and laboratory conditions. AB - The repeated application of herbicide can alter its persistence in the environment. In India, wheat fields are exposed to herbicide application at least once in the cropping season. The present study investigated the dissipation behavior of pendimethalin applied annually to a wheat field over four cropping seasons from 2012 to 2016. The dissipation studies were also conducted under laboratory conditions during 2015-2016. Pendimethalin from soil and wheat grain samples was extracted using matrix solid-phase dispersion and quantified using high-performance liquid chromatography and gas chromatography-tandem mass spectrometry. The average recoveries of pendimethalin from soil and crop produce ranged from 81.3% to 103.1%. The half-life of pendimethalin ranged from 20.9 to 31.3 days and 9.4 to 60.2 days under field and laboratory conditions, respectively. Dissipation of pendimethalin varied significantly over the years under field conditions and was comparatively faster than under laboratory conditions. On the other hand, non-significant variation in the dissipation of pendimethalin in soils under laboratory conditions was observed. The residues of pendimethalin in crop produce at harvest were below the maximum residue limit set by EPA. PMID- 29219036 TI - Head Movements During Visual Orienting Toward Moving Prey in the Lizard Takydromus tachydromoides. AB - It is important to investigate visual orienting in reptiles to better understand the basic organization of the oculomotor system in vertebrates. However, quantitative analyses of visual orienting behavior in reptiles have rarely been conducted, except in chameleons. In the present study, we videorecorded the head and body movements of the lizard Takydromus tachydromoides during visual tracking of moving prey and analyzed them frame-by-frame. Before approaching prey, visual tracking mainly consisted of brief intermittent turns of the head (saccade). After the head saccades, the angular position of the prey relative to the lizard head was kept at 10-70 degrees (laterally) in most cases, rather than at 0 degrees (in front). In addition, the ratio of the amplitude of the head saccades to prey position was 0.2-0.3, which is much smaller than 1, suggesting that the head did not orient exactly toward the prey after most saccades. These results were observed under both white (homogeneous) and grating (structured) backgrounds. Possible functions of head saccades in the lizard are discussed. PMID- 29219037 TI - Burrow Morphology of Alpheid Shrimps: Case Study of Alpheus brevicristatus and a Review of the Genus. AB - The Alpheus brevicristatus De Haan, 1844 is one of the commonest shrimp species inhabiting the tidal flats in Japan. This species is sometimes accompanied by the facultative symbiotic goby, Acentrogobius spp. Here, we investigated the burrow morphology of A. brevicristatus in a tidal flat of Uranouchi Inlet, Kochi Prefecture, Japan. We also reviewed existing literature on alpheid burrow morphology using the resin casting technique, to determine how burrows vary in the presence and absence of gobies. Nine burrows were casted in situ using polyester resin. All burrows were long, but shallow in structure, with several funnel-shaped openings and short cul-de-sac branches. This species appears to use several burrow openings to access the sediment surface for feeding with high efficiency. Gobies were not associated with all burrows cast; however, 1-3 individuals of the small alpheid shrimp Athanas japonicus Kubo, 1936 were entombed in seven of the casts. A review of 12 studies on the burrow morphology of 16 Alpheus species based on resin casting techniques showed wide variation in burrow characteristics, such as burrow depth, length, and number of openings. Our findings suggest that burrow structure is influenced by species-specific characteristics and sediment type. The possibility that the presence of the symbiotic goby affects the burrow morphology of Alpheus shrimp is discussed. PMID- 29219038 TI - Duplication and Variation in the Major Histocompatibility Complex Genes in Blakiston's Fish Owl, Bubo blakistoni. AB - The major histocompatibility complex (MHC) includes many genes that are essential for the adaptive immune system, and variation in the antigen binding site (ABS) is related to resistance against pathogens. In the present study, quantitative real-time PCR indicated a larger number of MHC gene copies in the endangered population of Blakiston's fish owl (Bubo blakistoni) than in five other owl species, and massively parallel pyrosequencing detected more MHC class IIbeta per individual alleles in B. blakistoni than in the other species. A chromosomal fluorescence in situ hybridization (FISH) analysis showed that the MHC class I and class IIbeta loci are closely linked on a single pair of microchromosomes, indicating that the MHC genes were tandemly duplicated in a limited chromosomal region. Because B. blakistoni has twice as many MHC genes as its sister species, the tawny fish owl (Bubo flavipes), the duplication of MHC genes occurred after these species diverged by speciation. A Bayesian molecular phylogenetic analysis showed that the DAB1 and DAB2 lineages of MHC class IIbeta alleles from various strigid species each formed a separate clade, indicating that the two allelic lineages preceded the radiation of Strigidae and evolved as paralogs. By contrast, the ABS sequences did not form distinct clades between DAB1 and DAB2 alleles but were intermixed, presumably due to gene conversion. Despite the low diversity of alleles per locus, B. blakistoni had many lineages of MHC class IIbeta alleles. Gene duplication increases variation in the MHC genes in this species, and could have facilitated adaptation in small populations. PMID- 29219039 TI - Morphogenesis and Mucus Production of Epithelial Tissues of Three Major Salivary Glands of Embryonic Mouse in 3D Culture. AB - Embryonic mouse submandibular epithelia initiate branching morphogenesis within two days when embedded in Matrigel and stimulated by members of the epidermal growth factor family. However, it is unknown whether the end buds further branch over longer culture periods, and whether saliva-producing cells differentiate there. In the present study, we cultivated three major (submandibular, sublingual and parotid) salivary epithelia from 13-day embryos for 14 days in mesenchyme free cultures. All epithelia continued to grow and branch to form numerous acinus like structures in medium supplemented with neuregulin 1, fibroblast growth factor 1, and insulintransferrin-sodium selenite. Alcian blue staining to detect mucous cells showed that each epithelium differentiated via three distinct modes, as seen in normal development, although the staining intensities were weaker than in normal development. RT-PCR analysis of the amylase gene showed that no epithelia expressed amylase after 14 days of culture, which is inconsistent with the fact that only parotid epithelium does so at postnatal day 7 during normal development. These results suggest that cytodifferentiation progresses to a lesser extent in mesenchyme-free cultures than in vivo. PMID- 29219040 TI - Taxonomic Relationships of Hynobius stejnegeri and H. yatsui, with Description of the Amber-Colored Salamander from Kyushu, Japan (Amphibia: Caudata). AB - Examination of the holotype of Hynobius stejnegeri Dunn, 1923 revealed that the species is identical with H. yatsui Oyama, 1947 , recently resurrected from H. naevius (Temminck and Schlegel, 1838). The name H. yatsui is therefore relegated to a subjective junior synonym of H. stejnegeri. The latter name, however, has been widely applied to an amber-colored or tortoise-shell salamander from Kyushu, southwestern Japan, which now requires a new name. We, thus, describe the ambercolored salamander as a new species Hynobius ikioi. The new species is phylogenetically very close to H. amakusaensis Nishikawa and Matsui, 2014 and H. osumiensis Nishikawa and Matsui, 2014 , both also from Kyushu, but is easily distinguished from them by its uniquely bi-colored dorsum. PMID- 29219041 TI - Potential Causative Mutation for Melanism in Rats Identified in the Agouti Signaling Protein Gene (Asip) of the Rattus rattus Species Complex on Okinawa Island, Japan. AB - The occurrence of black fur, or melanism, in many mammalian species is known to be linked to DNA sequence variation in the agouti signaling protein (Asip) gene, which is a major determinant of eumelanin and pheomelanin pigments in coat color. We investigated 38 agouti (i.e., banded wildtype) and four melanistic Rattus rattus species complex (RrC) lineage II specimens from Okinawa Island, Ryukyu Islands, Japan, for genetic variation in three exons and associated flanking regions in the Asip gene. On Okinawa, a predicted loss-of-function mutation caused by a cysteine to serine amino acid change at p.124C>S (c.370T>A) in the highly conserved functional domain of Asip was found in melanistic rats, but was absent in agouti specimens, suggesting that the p.124C>S mutation is responsible for the observed melanism. Phylogeographic analysis found that Asip sequences from Okinawan RrC lineage II, including both agouti and melanistic specimens, differed from: 1) both agouti and melanistic RrC lineage I from Otaru, Hokkaido, Japan, and 2) agouti RrC lineages I and II from South Australia. This suggests the possibility of in-situ mutation of the Asip gene, either within the RrC lineage II population on Okinawa or in an unsampled RrC lineage II population with biogeographic links to Okinawa, although incomplete lineage sorting could not be ruled out. PMID- 29219042 TI - Context-Dependent Passive Avoidance Learning in the Terrestrial Slug Limax. AB - The terrestrial slug Limax has been used as a model animal for studying the neural mechanisms underlying associative olfactory learning. The slug also innately exhibits negative phototactic behavior using its eyes. In the present study, we developed an experimental paradigm for quantification of slug's negative phototaxis behavior, and investigated whether the nature of the negative phototaxis can be modified by learning experience. The experimental set-up consists of light and dark compartments, between which the slug can move freely. During conditioning, the slug was placed in the light compartment, and an aversive stimulus (quinidine sulfate solution) was applied when it reached the dark compartment. After a single conditioning session, the time to reach the dark compartment significantly increased when it was tested following 24 hr or one week. Protein synthesis inhibition immediately following the conditioning impaired the memory retention at one week but not at 24 hr. The retrieval of the memory was context-dependent, as the time to reach the dark compartment did not significantly increase if the slug was placed on a floor with a different texture in the memory retention test. If the aversive stimulus was applied when the slug was in the light compartment, the time to reach the dark compartment did not increase after 24 hr. This is the first report demonstrating the capability of the slug to form context-dependent passive avoidance memory that can be established in a single conditioning session. PMID- 29219043 TI - Changes in Mate Preferences by Female Guppies: Effects of Male Phenotypes and Female Age. AB - In recent decades, variation in female preferences within a species has attracted considerable attention. However, how female individuals in most species change their mate preferences remain unclear. In this study, we examined the change in mate preferences in female individuals of the guppy, Poecilia reticulata. This was done by exposing naive, virgin females to two male groups differing in the abundance of ornamented males over a period of seven days. The male-exposure treatment groups consisted of (1) primarily males with large orange spots and (2) primarily males with small orange spots. Following each treatment, we measured female preference for brightly colored males with large orange spots, using a pair of digitally modified male images differing in orange spot patterns. Our results indicated that the patterns of change in mate preferences differed between young and old females. After exposure to primarily males with large orange spots, young females were more attracted to the male images overall and showed a preference for the bright male image. Specifically, young females showed a stronger preference for the bright male image when they had been exposed to male groups in which the among-male difference in orange spot patterns was greater. However, in old females, both male-exposure treatments and order of the treatments affected their mate preferences. These results suggest that social components, i.e., both the abundance of ornamented males and the age structure of females in a population, influence the direction and intensity of sexual selection. PMID- 29219044 TI - Differential Responses of Two Ecologically Similar Case-Bearing Caddisfly Species to a Fish Chemical Cue: Implications for a Coexistence Mechanism. AB - The mechanisms for the coexistence of multiple species occupying the same ecological niche are often puzzling. Predator effects on competitively superior species is one possible mechanism. In this study, we tested whether the presence of size-selective predators (fishes) acts as a mechanism for the coexistence of two species of case-bearing caddisfly larvae, Perissoneura paradoxa and Psilotreta kisoensis (Odontoceridae, Trichoptera). The larvae of these two species have similar ecological and life history traits except their body size, and they have been found to coexist only in habitats shared with predatory fishes. Experiments on intra and interspecific competition revealed that the larger Pe. paradoxa always outcompeted the smaller Ps. kisoensis in the absence of predatory fishes, suggesting that Pe. paradoxa performed intra-guild predation on Ps. kisoensis. We also conducted experiments to examine how strongly each of these species responded in terms of case repair with/without a predator chemical cue after their cases were partly dismantled. Perissoneura paradoxa exhibited a stronger case repair response in the presence of a predator chemical cue than that exhibited by Ps. kisoensis, suggesting that Pe. paradoxa is more vulnerable to fish predation, probably because their body size is in the preferred prey range of fishes. We suggest that the presence of predators works in the favor of smaller, subordinate species through size-selective predator effects, enabling these two competitive species to coexist in the same habitat. PMID- 29219045 TI - Mitochondrial Genetic Diversity and Phylogeography of Mus musculus castaneus in Northern Punjab, Pakistan. AB - Regions of Iran, Afghanistan, Pakistan and northwestern India have been proposed as the place of origin of Mus musculus castaneus. But despite the fact that Pakistan encompasses an important part of its range, M. m. castaneus populations in Pakistan have not been the subject of intensive genetic and biogeographic studies, except for a very small number of samples included in past studies. We studied genetic variation in M. m. castaneus (CAS) from northern Punjab Province, Pakistan, by using cytochrome b (Cytb) analysis in a sample of 98 individuals. Median-joining network revealed four well differentiated CAS sub-lineages coexisting within a small geographical region; these had previously been thought to have largely non-overlapping geographic distributions. Moreover, haplotypes from Pakistan occupied a central position in the network and all identified global haplotypes were also present in Pakistan. All identified CAS sub-lineages proved to be highly diverse on the basis of haplotype and nucleotide diversity indices. Tajima's D test and Fu's Fs tests of neutrality suggest recent population expansions in all sub-lineages. Expansion times were estimated as 21,760-134,930, 10,800-64,400 and 4950-30,665 ybp using substitution rates of 2.5%, 5% and 11%, respectively. Our results support the hypothesis that northern Punjab Province in Pakistan is the most likely source area for M. m. castaneus, and that the CAS sub-lineages in this region have undergone rapid population expansion events at different time periods, which appear to have benefitted from human-mediated transport, although one of them clearly predates the establishment of human settlements in this region. PMID- 29219046 TI - Molecular Cloning and Functional Characterization of Antimicrobial Peptides Brevinin-1ULf and Ulmin-1ULa in the Skin of the Newly Classified Ryukyu Brown Frog Rana ulma. AB - Antimicrobial peptides (AMPs) were previously isolated from the skin of the Ryukyu brown frog Rana okinavana. However, this species has recently been reclassified as two species, i.e., Rana kobai and Rana ulma. As a result, it was determined that AMPs isolated from R. okinavana were in fact products of R. kobai, but not of R. ulma. In the present study, we collected skin samples from the species R. ulma and cloned twelve cDNAs encoding AMP precursors for the acyclic brevinin-1ULa--1ULf, the temporin-ULa-ULc, ranatuerin-2ULa, japonicin 1ULa, and a novel peptide using reverse-transcription polymerase chain reaction techniques. The deduced amino acid sequence of the novel peptide had a high similarity to those of Rana chensinensis chensinin-1CEa--1CEc, which were cloned by Zhao et al. ( 2011 ), but had a low similarity with R. chensinensis chensinin 1, which was cloned by Shang et al. ( 2009 ). To avoid confusion with these two different chensinin-1 families, we termed our peptide ulmin-1. Among these peptides, we focused on two peptides, brevinin-1ULf and ulmin-1ULa, and examined the antimicrobial and cytotoxic activity of their synthetic replicates. In broth microdilution assays, growth inhibitory activities against Staphylococcus aureus, Bacillus cereus, and Candida albicans were detected for brevinin-1ULf but not for ulmin-1ULa, whereas scanning electron microscopic observations revealed that both peptides induce morphological abnormalities in these microbes. In addition, binding activity of ulmin-1ULa to the bacterial cell wall component lipoteichoic acid was higher than that of brevinin-1ULf. In contrast, hemolytic and cytotoxic activities of brevinin-1ULf were stronger than those of ulmin-1ULa. PMID- 29219047 TI - The effects of genetic polymorphism on treatment response of recombinant human growth hormone. AB - Recombinant human growth hormone (rhGH) has been widely used in clinical treatment of growth hormone deficiency (GHD) or non GHD since 1985 and technology have achieved a great development in different long-acting formulations. Although the mathematical models for predicting the growth hormone response could help clinicians get to an individual personalized growth dose, many patients just can't reach the target height and the growth hormone responses differed.Genetic polymorphisms may play a role in the varies of individual responses in this treatment process.This article gives an overview of the genetic polymorphisms research of growth hormone in recent years, in order to give some potential suggestion and guide for the dose titration during treatment. PMID- 29219048 TI - Sodium Oxybate Therapy for Alcohol Withdrawal Syndrome and Keeping of Alcohol Abstinence. AB - BACKGROUND: Gamma-hydroxybutyrate (GHB or sodium oxybate) is both an exogenous and endogenous molecule with neuromodulator properties. In the United States, GHB is an approved drug for the treatment of narcolepsy and narcolepsy with cataplexy in adults. In some European Union countries, sodium oxybate is applied for the treatment of opioid and alcohol withdrawal. OBJECTIVE: The aim of the present review was to describe the state of art of the pre-clinical research and the clinical evidence related to GHB used alone or in combination with other treatments in alcohol withdrawal syndrome and alcohol abstinence maintenance. METHOD: Internationally published pre-clinical findings and clinical studies investigating the effects of GHB on alcohol withdrawal syndrome and alcohol abstinence maintenance were collected and described considering seven clinical studies involving GHB in the treatment of alcohol withdrawal abstinence and five clinical studies involving GHB in the treatment of alcohol abstinence maintenance. Furthermore, GHB pharmacology and characteristics of abuse were briefly detailed. RESULTS: Clinical evidence indicates that GHB is effective in reducing symptoms of alcohol withdrawal syndrome and produces beneficial effects comparable to those of benzodiazepines or chlometiazole. GHB proved effective in increasing alcohol abstinence maintenance and in reducing alcohol craving, but it did not show any influence in relapses of heavy drinkers when given alone. Conversely, it seems to be effective in reducing relapses in alcohol dependent patients when given in combination with naltrexone and escitalopram. CONCLUSION: Despite this bunch of evidence, studies are still limited and investigations including a larger number of patients are needed. In addition, some safety concerns, such as insufficiency against hallucinations in alcohol withdrawal and potential development of GHB dependence have to be more investigated. PMID- 29219049 TI - Role of Mitochondrial Mechanism in Chemotherapy-Induced Peripheral Neuropathy. AB - BACKGROUND: Even though chemotherapeutic regimens show considerable importance, it may cause progressive, continuing and sometimes irreversible peripheral neuropathy. Chemotherapy induced peripheral neuropathy (CIPN) is comprised of sensory abnormalities that are most distressing issues. The mechanism associated with CIPN pathogenesis is not completely revealed and its treatment is still questionable. The purpose of this review was to investigate the role of mitochondria in CIPN. METHODS: This review is literature based that describes the mitochondrial mechanism underlying CIPN and the neuropathic complications associated with different antineoplastic agents. RESULTS: For severe pain, a modification towards less efficient chemotherapeutic drugs could possibly be needed and/or patients perhaps prefer to withdrawal therapeutic regimen. The epidemiology of CIPN is still debatable. The major recurrent molecules causing CIPN are platinum based drugs including cisplatin and oxaliplatin, thalidomide, bortezomib, vinka alkaloids and taxanes. Neuropathic pain is one of the symptoms of CIPN. Various neuropathic disorders as well as CIPN are due to mitochondrial impairment, relevant impairment of Ca2+ signalling pathways and reactive oxygen species (ROS) that ultimately leads to apoptosis. CONCLUSION: The pathophysiology of CIPN is complicated as chemotherapeutic medications often involve combination of drugs. With these combinatorial therapies cancer survivors develop continuing effects of CIPN which require rehabilitation strategies for the recovery of patient's condition and quality of life. PMID- 29219050 TI - Long Circulating Polymeric Nanoparticles for Gene/Drug Delivery. AB - BACKGROUND: The prolonged circulation time of nanoparticles in the blood is a prerequisite to realize a controlled and targeted (passive or active targeting) release of the encapsulated gene/drug at the desired site of action. The most popular method to mask or camouflage nanoparticles is the adsorbed, grafted or conjugated of poly (ethylene glycol) (PEG) or other hydrophilic polymers (e.g. polysaccharides) to the particle surface. However, the circulation half-life of nanoparticles still cannot satisfy the need of clinical use. METHOD: This review focuses on several recent advances in the design and fabrication of polymeric nanoparticles with long circulating characters in blood. The factors influencing the physicochemical characteristics of nanoparticle surface and its surface modification have been discussed. RESULTS: Gene/drug carriers can also be combined with functionalized physical, chemical or biological stimuli to improve passive and active targeting strategies. The choice of suitable manufacturing technique of polymeric nanoparticles depends on the gene/drug to be encapsulated in the particle, the physicochemical properties of the polymer, their therapeutic goal to be reached and the scalability of the fabrication which allows for a clinical realization of the most promising nanomedicines. The factors influencing long circulating properties of nanoparticles are mainly particle size, surface charge and hydrophilicity. Surface modification of polymeric nanoparticles has been focused on PEG, polysaccharides, and so on. CONCLUSION: Identification of novel potential coating materials with satisfied characters is an emerging field of interest in the design of long circulating polymer-based nanoparticulate gene/drug delivery. PMID- 29219052 TI - Adverse Events of Proton Pump Inhibitors: Potential Mechanisms. AB - OBJECTIVE: We aimed at summarizing current evidence about mechanisms for potentially harmful effects of Proton Pump Inhibitors (PPIs). METHODS: A Pubmed search was performed, and 207 studies concerning the relationship between use of PPIs and cardiovascular diseases, kidney impairment, nutritional disorders, fractures, infections, functional decline, and mortality were selected and reviewed. RESULTS: PPIs may cause potentially harmful effects by several mechanisms, including endothelial dysfunction, hypomagnesemia, drug interactions, reduced absorption of selected nutrients, increased gastric microbiota and small intestine bacterial overgrowth, reduced immune response, tubular-interstitial inflammation, increased bone turnover, accumulation of amyloid in the brain. Clinical and epidemiologic evidence is not consistent in regard to some negative outcomes during PPI treatment. Data from randomized clinical trials seem to deny most of them, but they are usually designed to investigate efficacy of drugs in ideal conditions and are not powered enough to detect adverse events. Besides being at special risk of experiencing negative outcomes during long-term treatment with PPIs, older and complex patients treated with polypharmacy regimens are persistently excluded from randomized clinical trials. Thus, large observational studies involving real-world patients should be considered as an important informative source about potential risks related to PPIs. CONCLUSIONS: Current evidence suggests that use of PPIs may be associated with negative outcomes by eliciting several different pathophysiologic mechanisms. While short term PPIs could be considered effective and safe in adult patients with acid related disorders, their long-term and often inappropriate use in patients carrying vulnerability to adverse events and/or high risk of drug-interactions should be avoided. PMID- 29219053 TI - Triazolopyrimidines and Thiazolopyrimidines: Synthesis, Anti-HSV-1, Cytotoxicity and Mechanism of Action. AB - BACKGROUND: Several commercial drugs utilized in the treatment of HSV containing pyrimidine moiety. Because of the ineffectiveness of virus drugs due to the resistance of the patient's immune system, there is a pressing need to prepare new compounds that are effective in the treatment of various viruses. RESULTS: Merged pyrimidine derivatives were designed by one pot synthesis of pyrimidinethione derivative with halogenated compounds. The structure of all prepared compounds was characterized by their spectroscopic data and also, their ability to inhibit the in vitro replication of HSV-1 was estimated. Amongst the tested compounds 2-acetyl-3-methyl-5-(p-tolyl)indeno[1,2-d]thiazolo[3,2- a]pyrimidin-6(5H)-one (9b) and ethyl 3-methyl-6-oxo-5-(p-tolyl)-5,6 dihydroindeno[1,2-d]thiazolo- [3,2-a]pyrimidine-2-carboxylate (9c), caused viral inhibition over 90%. Furthermore, the selectivity indices of the tested compounds are high and have weak cytotoxicity (all samples were checked, not chosen on cytotoxicity basis, we only utilize secure concentrations of every compound). CONCLUSION: We succeeded in this context to synthesize a new series of potent fused pyrimidine derivatives as anti-HSV-1. PMID- 29219054 TI - Antioxidant effects of polysaccharides from traditional Chinese medicines. AB - Polysaccharides are a kind of biological macromolecules with immune regulation, anti-tumor, anti-radiation, anti-inflammation, anti-fatigue and anti-aging effects. These effects are related to their antioxidant properties. The action mechanisms of antioxidation and scavenging free radicals for polysaccharides were reviewed. The polysaccharides contain plant polysaccharides, animal polysaccharides and microbial polysaccharides. The recent research progresses and our work on antioxidant properties of polysaccharides and their derivatives were summarized. At last, the existing problems of antioxidant polysaccharides were analyzed, and the development prospects were also presented. It is important to study the antioxidant activities of polysaccharides and their derivatives for the development of natural antioxidants. PMID- 29219051 TI - Development and Uses of Offline and Web-Searchable Metabolism Databases - The Case of Benzo[a]pyrene. AB - BACKGROUND: The present work describes development of offline and web-searchable metabolism databases for drugs, other chemicals, and physiological compounds using human and model species, prompted by the large amount of data published after year 1990. The intent was to provide a rapid and accurate approach to published data to be applied both in science and to assist therapy. METHODS: Searches for the data were done using the Pub Med database, accessing the Medline database of references and abstracts. In addition, data presented at scientific conferences (e.g., ISSX conferences) are included covering the publishing period beginning with the year 1976. RESULTS: Application of the data is illustrated by the properties of benzo[a]pyrene (B[a]P) and its metabolites. Analysis show higher activity of P450 1A1 for activation of the (-)- isomer of trans-B[a]P-7,8 diol, while P4501B1 exerts higher activity for the (+)- isomer. P450 1A2 showed equally low activity in the metabolic activation of both isomers. CONCLUSION: The information collected in the databases is applicable in prediction of metabolic drug-drug and/or drug-chemical interactions in clinical and environmental studies. The data on the metabolism of searched compound (exemplified by benzo[a]pyrene and its metabolites) also indicate toxicological properties of the products of specific reactions. The offline and web-searchable databases had wide range of applications (e.g. computer assisted drug design and development, optimization of clinical therapy, toxicological applications) and adjustment in everyday life styles. PMID- 29219055 TI - The Role of Nanoparticles in the Inhibition of Multidrug-Resistant Bacteria and Biofilms. AB - BACKGROUND: Until recently, one of the main reasons for mortality has been infectious diseases, and bacteria that are drug-resistant have emerged as a result of the wide application, as well as the misuse of antibacterial medications. Having multidrug-resistance, bacteria present a great problem for the efficient management of bacterial infections and this challenge has resulted in the creation of other means of dealing with bacterial diseases. Of late, metallic nanoparticles (NPs), employed as antibacterial agents, have the potential for use against resistance to bacterial drugs. OBJECTIVE: The mechanisms of bacterial resistance are described in this review and this is followed by an outline of the features and uses of metallic NPs as antibiotic agents to address bacteria that are antibiotic- sensitive and resistant. Additionally, a general impression of metallic NPs as antibiofilm bactericidal agents is presented. CONCLUSION: Biofilms and bacterial strains that are resistant to antibiotics present a grave public health challenge and this has enhanced the need to develop new bactericidal agents. Therefore, nanomaterials are considered as a potential platform for managing bacterial infections. PMID- 29219056 TI - In-vitro and In-vivo Pharmacokinetic Evaluation of Guar Gum-Eudragit® S100 Based Colon-targeted Spheroids of Sulfasalazine Co-administered with Probiotics. AB - BACKGROUND: Polysaccharide based delivery systems have been successfully used to target drugs to colon. In some recent reports, the superiority of concomitant administration of probiotics with such systems has been established. However, the pharmacokinetics of such symbiotic therapy remain unexplored hitherto. METHODS: This study deciphers the pharmacokinetic parameters of guar gum based colon targeted spheroids of sulfasalazine with co-administration of probiotics in experimental rats. Thirty rats were divided into five groups using Latin square design. These were subjected to treatment with delayed release formulation, uncoated spheroids, coated spheroid and coated spheroids along with probiotics. RESULTS: In case of delayed release formulation, negligible presence of sulfasalazine in plasma was observed in first 2h, followed by significant increase in sulfasalazine concentration after 3h. Higher plasma concentrations of sulfasalazine were detected for uncoated spheroids with and without probiotics. Negligible release of drug upto 5h and delayed Tmax in case of guar-gum coated sulfasalazine spheroids with or without probiotics clearly indicated successful formulation of colon targeted spheroids. Further, for coated spheroids (both with and without probiotics), the value of Tmax is found to be significantly higher than those with the other treatments. CONCLUSION: Colon targeted spheroids were therefore, found to reduce absorption of drug which, in turn, is expected to reduce the side effects as only local action in colon is required for treatment of colitis. This is the first report on pharmacokinetic study of a colon targeted delivery system co-administered with probiotics. PMID- 29219057 TI - Formulation Optimization and In-vitro and In-vivo Evaluation of Lornoxicam Ethosomal Gels with Penetration Enhancers. AB - BACKGROUND: Ethosomes, a novel type of percutaneous drug delivery carrier with a lipid bilayer structure, penetrate the skin barrier due to their deformability and malleability, and presence of ethanol that fluidizes lipids in the skin. In order to further enhance the delivery of drugs through the skin, penetration enhancers are widely used. OBJECTIVE: The objective of this work was to develop an optimized formulation of lornoxicam ethosomal gels, investigate skin permeability with the addition of penetration enhancers, and evaluate the invivo pharmacodynamics of these formulations. METHODS: Lornoxicam ethosomes were prepared by the ethanol injection method and optimized using the orthogonal design method. Lornoxicam ethosomal gels with enhancers were prepared and optimized using in-vitro transdermal delivery experiments. Experiments on lornoxicam ethosomal gels containing various enhancers such as azone, menthol, lauryl alcohol, and oleic acid were conducted using vertical Franz diffusion cells to measure the percutaneous permeability of the different formulations. Furthermore, the in-vivo analgesic effects of the optimized lornoxicam ethosomal gels were examined using the hot-plate and acetic acid-induced writhing tests. Anti-inflammatory activity was investigated using the dimethylbenzene-induced mouse ear swelling method. RESULTS: The results showed that compared to other formulations, the optimized lornoxicam ethosomal gels with 5 % menthol significantly increased transdermal penetration. Meanwhile, the optimized lornoxicam ethosomal gels showed remarkably anti-nociceptive and anti inflammatory activity compared with the plain lornoxicam gels. CONCLUSION: These results suggest that the optimized ethosomal gel formulated in this study is a promising lornoxicam carrier in transdermal delivery systems to enhance anti nociceptive and antiinflammatory efficiency. PMID- 29219058 TI - Macrophage Targeted Cellular Carriers for Effective Delivery of Anti-Tubercular Drugs. AB - BACKGROUND: Newly developed vaccine VPM1002 confers paradigm swing in the prophylactic treatment of tuberculosis (TB). Multi-drug resistant and latent TB in adults as well as in underprivileged patients is instigating menace over world population if the host is immune-compromised. METHODS: One third of the world's population is infected with TB. Recently it is estimated around 9.6 million people around the world became sick with TB disease. There were 1.5 million TB related deaths worldwide. Therefore with the advent in biotechnology and Nano engineering, newly adapted survival molecular mechanism of Mycobacterium tuberculosis, new targets receptors on alveolar macrophages must be explored out for eradication of TB from the globe. Macrophage acts as a reservoir of phagocytic receptors to execute diverse physiological functions as well as to perform defense mechanism. RESULTS: Advances in novel carriers open new era for the treatment of tuberculosis which remains a very substantial global health encumbrance. Different binding receptors especially mannose, folate and scavenger receptors are attractive platform for internalization of therapeutics in alveolar macrophage. Nano-carriers and nano-devices designed after the acquaintance of receptor composition and functioning affords site specific targeting of biodegradable and biocompatible drug delivery systems for the treatment of tuberculosis offering complete cure and patient compliance. CONCLUSION: This chapter encompasses recent studies on nanocarriers and new treatment strategies for tuberculosis. In spite of the budding benefits of nano carriers, many limitations still remain to be overcome such as poor oral stability, instability in circulation, inadequate tissue distribution as well as toxicity to normal cells. PMID- 29219059 TI - Inhibition of intercellular communication between prostate cancer cells by a specific anti-STEAP-1 single chain antibody. AB - BACKGROUND: Six-Transmembrane epithelial antigen of the prostate-1 (STEAP-1) is present at the intercellular junctions of the secretory epithelium of prostate and is overexpressed in all steps of prostate cancer. STEAP-1 acts as a transporter protein or a putative channel between cancer cells while it has limited expression in normal human tissues. This protein has been suggested as an attractive target for prostate cancer immunotherapy. OBJECTIVE: This study aimed at the development of a specific single chain fragment variable (scFv) antibody against STEAP-1 epitope and testing the inhibitory effect of the selected scFv antibody in blocking gap junctions between tumor cells. METHODS: In the current study, a phage library was used and a specific scFv antibody was isolated against STEAP-1 epitope using panning process. RESULTS: PCR and DNA fingerprinting of the obtained clones demonstrated a dominant pattern of a specific clone. Binding of the selected scFv to the corresponding target on PC3 and LNCaP cell lines was tested using ELISA and flow cytometry techniques. The inhibitory effect of the selected scFv antibody in blocking gap junctions between the cells was tested using intercellular communication assay. The selected antibody reacted with the corresponding epitope in ELISA and bound to prostate cancer cells with an intensity of 44.6% (PC3 cells) and 73.4% (LNCap cells) as shown by FACS analysis. Intercellular communication assay indicated that dye transfer between the cells in PC3 and LNCaP cell lines treated with 1000 scFv/cell was significantly inhibited (80-90%). CONCLUSION: Our results suggested that the selected specific anti-STEAP1 scFv highly inhibited intercellular communication between prostate cancer cells and has the potential to be used as a new effective agent in prostate cancer immunotherapy. PMID- 29219060 TI - Nattokinase: an updated critical review on challenges and perspectives. AB - Natto, a fermented soybean food, has been consumed by oriental people for more than 1000 years. Nattokinase, formerly called subtilisin NAT is a well studied protease of microbial origin that possesses fibrinolytic (anti-clotting) activities. Due to its strong fibrinolytic and thrombolytic activity, Nattokinase is regarded as a precious dietary supplement or nutraceutical for the oral thrombolytic therapy. Nattokinase is witnessed to be a useful enzyme for the com plete removal of the vitreous and associated proliferative tissues in proliferative vitreo retinal disorders. This review focuses on the native and recombinant Nattokinase from bacteria and other sources, their production, purification, immobilization and nano-immobilization studies, which aid in ameliorating their properties to suit the targeted industrial applications. Recent development in these fields are presented and discussed, and prospective developments are suggested. PMID- 29219061 TI - Effect of Conjugated Linoleic Acid Supplementation on Serum Leptin Concentration: A Systematic Review and Meta-Analysis. AB - BACKGROUND: There are controversies regarding the effect of conjugated linoleic acid (CLA) on serum leptin. OBJECTIVE: To conduct a meta-analysis of randomized controlled trials (RCTs) to assess the effect of CLA on serum leptin concentrations. METHOD: Databases such as Ovid, PubMed/Medline, SCOPUS, Google Scholar, and ISI databases up to January 2017 were searched. The searches included RCTs conducted among human adults, and studies on the effect of conjugated linoleic acid on serum leptin concentrations as outcome variables. The mean difference and standard deviation of leptin changes in the intervention and control groups were used as effect size measures for the meta-analysis. RESULT: Eleven trials with thirteen effect sizes were pooled in this meta-analysis. CLA supplementations could not reduce serum leptin levels significantly (-0.12 (ng/ml); 95% CI: -1.29, 1.05; P=0.837). However, the impact of CLA supplementation differed by sex and BMI status. Compared with the control group, CLA administration reduced serum leptin levels significantly in trials conducted among male (- 0.86 (ng/ml); 95% CI: -1.11, -0.62; P<0.0001) or overweight individuals (-1.37 (ng /ml); 95% CI: -2.55, -0.20; P=0.022) and lasted for less than 8 weeks (-0.90 (ng/ml); 95% CI: -1.64, -0.17; P=0.0.016). CONCLUSION: CLA supplementation might be able to decrease circulating leptin levels in studies with duration of less than 8 weeks especially among male and overweight subjects. Additional RCTs that are well controlled for energy intakes may be necessary to explain the cause of short- and long-term effects of conjugated linoleic acid. The protocol was registered with PROSPERO (No. CRD42017059165). PMID- 29219062 TI - Assessment of Irisin, Adiponectin and Leptin Levels in Patients with Schizophrenia. AB - BACKGROUND: The patients with schizophrenia are at increased risk for problems regarding metabolic parameters due to their lifestyle and antipsychotic treatment. OBJECTIVE: In this study, we aimed to evaluate the levels of adiponectin, leptin, irisin in patients with schizophrenia who were nondiabetic, nonobese and under antipsychotic treatment. METHOD: 5 ml sample of venous blood was collected from each participant. Blood cells were separated from the serum. The serum samples were stored in a -80 degrees C freezer. Biochemical analyses were performed on these samples. Adiponectin, leptin and irisin levels were measured by Enzyme Linked Immunosorbent Assay method. RESULTS: The study included 88 subjects. Of them, 44 were patients with schizophrenia and 44 were healthy controls. There were no statistically significant results when the c-reactive protein, adiponectin, leptin and irisin levels were compared between the schizophrenia and the control group (p>0.05). CONCLUSION: In our study, adiponectin, leptin and irisin levels in patients with schizophrenia did not present a statistically significant difference from healthy controls. Therefore, there is a need for studies including more participants to investigate the level of irisin in patients with schizophrenia. PMID- 29219063 TI - An Insight on the Pathogenesis and Treatment of Systemic Lupus Erythematosus. AB - BACKGROUND AND OBJECTIVE: Systemic lupus erythematosus (SLE) is a diverse autoimmune disorder, evoked in response to self-immune system that leads to immune complex depositions and organ damage. The exact mechanism of SLE pathogenesis is still unclear but certain genetic and environmental factors have been suggested that could influence its pathogenesis. DISCUSSION: The modulation in B- and T- cell responses and genetic variations could lead to abnormal lymphocyte functions and the production of antibodies against the indigenous proteins and the immune complex depositions. CONCLUSION: The present review highlights the various causatives of SLE, particularly the genetic alteration in B- and T-cell-related proteins. We have also delineated some of the available therapeutic strategies for the treatment of SLE. PMID- 29219064 TI - Natural Product Formulations for the Prevention and Treatment of Alzheimer's disease: A Patent Review. AB - INTRODUCTION: Although considerable efforts have been made to develop effective therapeutic agents for Alzheimer's Disease (AD), neither a consensus concerning the pathogenesis of the disease nor a successful therapy for its treatment is yet available. The natural product chemistry brings tremendous diversity and abundant resource for medical needs. OBJECTIVES: The present review summarizes recent patents on natural extracts and derived drugs as agents for the prevention and treatment of AD. It also sums up the suggested mechanisms of action of the formulated natural remedies. CONCLUSION: It is now becoming well accepted that multiple factors contribute to the progression of AD. The pathogenesis of the disease involves amyloid-beta cascade, tau hyperphosphorylation, oxidative stress, inflammation, mitochondrial dysfunction, protein misfolding, gene mutation, etc. It has been suggested that the multifactorial nature of AD pathogenesis requires the design of medicines with a wide spectrum of activity. Medicinal herbs are known to consist of multiple compounds and may implicate multiple mechanisms, thus being advantageous over the simple single-target drugs in the treatment of complex diseases. Indeed, natural products attract increased attention. In the last decades, they have become a major focus in the quest for AD remedies and may represent a real promise for curing the disease. PMID- 29219065 TI - Transactivation Assays that Identify Indirect and Direct Activators of Human Pregnane X Receptor (PXR, NR1I2) and Constitutive Androstane Receptor (CAR, NR1I3). AB - BACKGROUND: Nuclear Receptors (NRs), including PXR and CAR, are presumed to be ligand-dependent transcription factors, but ligand binding is not an absolute requirement for activation. Indeed, many compounds activate PXR and CAR by indirect mechanisms. Detecting these indirect activators of specific nuclear receptors in vitro has been difficult. As NR activation of either or both PXR and CAR can lead to drug-drug interactions and adverse drug effects, false negatives obtained with screening tools incapable of detecting indirect activators could present liabilities. OBJECTIVE: The aim of this study was to establish assays that identify indirect activators of human PXR and CAR. METHODS: Commercially available human PXR and CAR transactivation assays were used for analyses. RESULTS: We show that transactivation assays containing full-length nuclear receptors with native promoters can identify indirect activators of human CAR and PXRwhen compared to those of commercially available assays containing only the LBD of PXR and CAR. Of these two assay systems, only human PXR and CAR1 assays with full-length receptors and native promoters are capable of detecting indirect and ligand activators. With this capability, several kinase inhibitors were identified that activate PXR and CAR by indirect mechanisms. Furthermore by using both the LBD and full-length receptors, phenobarbital and midostaurin were found to be direct and indirect activators of PXR while human CAR activation by phenobarbital occurs by indirect mechanisms only. CONCLUSION: Cell based transactivation assays employing the full-length receptors and native promoters identify both direct and indirect activators of either or both human PXR and CAR. PMID- 29219066 TI - A multi-network clustering method for detecting protein complexes from multiple heterogeneous networks. AB - BACKGROUND: The accurate identification of protein complexes is important for the understanding of cellular organization. Up to now, computational methods for protein complex detection are mostly focus on mining clusters from protein protein interaction (PPI) networks. However, PPI data collected by high throughput experimental techniques are known to be quite noisy. It is hard to achieve reliable prediction results by simply applying computational methods on PPI data. Behind protein interactions, there are protein domains that interact with each other. Therefore, based on domain-protein associations, the joint analysis of PPIs and domain-domain interactions (DDI) has the potential to obtain better performance in protein complex detection. As traditional computational methods are designed to detect protein complexes from a single PPI network, it is necessary to design a new algorithm that could effectively utilize the information inherent in multiple heterogeneous networks. RESULTS: In this paper, we introduce a novel multi-network clustering algorithm to detect protein complexes from multiple heterogeneous networks. Unlike existing protein complex identification algorithms that focus on the analysis of a single PPI network, our model can jointly exploit the information inherent in PPI and DDI data to achieve more reliable prediction results. Extensive experiment results on real-world data sets demonstrate that our method can predict protein complexes more accurately than other state-of-the-art protein complex identification algorithms. CONCLUSIONS: In this work, we demonstrate that the joint analysis of PPI network and DDI network can help to improve the accuracy of protein complex detection. PMID- 29219067 TI - Prediction of essential proteins based on subcellular localization and gene expression correlation. AB - BACKGROUND: Essential proteins are indispensable to the survival and development process of living organisms. To understand the functional mechanisms of essential proteins, which can be applied to the analysis of disease and design of drugs, it is important to identify essential proteins from a set of proteins first. As traditional experimental methods designed to test out essential proteins are usually expensive and laborious, computational methods, which utilize biological and topological features of proteins, have attracted more attention in recent years. Protein-protein interaction networks, together with other biological data, have been explored to improve the performance of essential protein prediction. RESULTS: The proposed method SCP is evaluated on Saccharomyces cerevisiae datasets and compared with five other methods. The results show that our method SCP outperforms the other five methods in terms of accuracy of essential protein prediction. CONCLUSIONS: In this paper, we propose a novel algorithm named SCP, which combines the ranking by a modified PageRank algorithm based on subcellular compartments information, with the ranking by Pearson correlation coefficient (PCC) calculated from gene expression data. Experiments show that subcellular localization information is promising in boosting essential protein prediction. PMID- 29219068 TI - Predicting enhancers with deep convolutional neural networks. AB - BACKGROUND: With the rapid development of deep sequencing techniques in the recent years, enhancers have been systematically identified in such projects as FANTOM and ENCODE, forming genome-wide landscapes in a series of human cell lines. Nevertheless, experimental approaches are still costly and time consuming for large scale identification of enhancers across a variety of tissues under different disease status, making computational identification of enhancers indispensable. RESULTS: To facilitate the identification of enhancers, we propose a computational framework, named DeepEnhancer, to distinguish enhancers from background genomic sequences. Our method purely relies on DNA sequences to predict enhancers in an end-to-end manner by using a deep convolutional neural network (CNN). We train our deep learning model on permissive enhancers and then adopt a transfer learning strategy to fine-tune the model on enhancers specific to a cell line. Results demonstrate the effectiveness and efficiency of our method in the classification of enhancers against random sequences, exhibiting advantages of deep learning over traditional sequence-based classifiers. We then construct a variety of neural networks with different architectures and show the usefulness of such techniques as max-pooling and batch normalization in our method. To gain the interpretability of our approach, we further visualize convolutional kernels as sequence logos and successfully identify similar motifs in the JASPAR database. CONCLUSIONS: DeepEnhancer enables the identification of novel enhancers using only DNA sequences via a highly accurate deep learning model. The proposed computational framework can also be applied to similar problems, thereby prompting the use of machine learning methods in life sciences. PMID- 29219069 TI - A boosting approach for prediction of protein-RNA binding residues. AB - BACKGROUND: RNA binding proteins play important roles in post-transcriptional RNA processing and transcriptional regulation. Distinguishing the RNA-binding residues in proteins is crucial for understanding how protein and RNA recognize each other and function together as a complex. RESULTS: We propose PredRBR, an effectively computational approach to predict RNA-binding residues. PredRBR is built with gradient tree boosting and an optimal feature set selected from a large number of sequence and structure characteristics and two categories of structural neighborhood properties. In cross-validation experiments on the RBP170 data set show that PredRBR achieves an overall accuracy of 0.84, a sensitivity of 0.85, MCC of 0.55 and AUC of 0.92, which are significantly better than that of other widely used machine learning algorithms such as Support Vector Machine, Random Forest, and Adaboost. We further calculate the feature importance of different feature categories and find that structural neighborhood characteristics are critical in the recognization of RNA binding residues. Also, PredRBR yields significantly better prediction accuracy on an independent test set (RBP101) in comparison with other state-of-the-art methods. CONCLUSIONS: The superior performance over existing RNA-binding residue prediction methods indicates the importance of the gradient tree boosting algorithm combined with the optimal selected features. PMID- 29219070 TI - Predicting human splicing branchpoints by combining sequence-derived features and multi-label learning methods. AB - BACKGROUND: Alternative splicing is the critical process in a single gene coding, which removes introns and joins exons, and splicing branchpoints are indicators for the alternative splicing. Wet experiments have identified a great number of human splicing branchpoints, but many branchpoints are still unknown. In order to guide wet experiments, we develop computational methods to predict human splicing branchpoints. RESULTS: Considering the fact that an intron may have multiple branchpoints, we transform the branchpoint prediction as the multi-label learning problem, and attempt to predict branchpoint sites from intron sequences. First, we investigate a variety of intron sequence-derived features, such as sparse profile, dinucleotide profile, position weight matrix profile, Markov motif profile and polypyrimidine tract profile. Second, we consider several multi-label learning methods: partial least squares regression, canonical correlation analysis and regularized canonical correlation analysis, and use them as the basic classification engines. Third, we propose two ensemble learning schemes which integrate different features and different classifiers to build ensemble learning systems for the branchpoint prediction. One is the genetic algorithm based weighted average ensemble method; the other is the logistic regression based ensemble method. CONCLUSIONS: In the computational experiments, two ensemble learning methods outperform benchmark branchpoint prediction methods, and can produce high-accuracy results on the benchmark dataset. PMID- 29219071 TI - Systematic review of the relationships between combinations of movement behaviours and health indicators in the early years (0-4 years). AB - BACKGROUND: A recent review highlighted important relationships between combinations of movement behaviours (i.e., sleep, sedentary behaviour, and physical activity) and health indicators among school-aged children and youth (aged 5-17 years). It is unclear whether similar relationships exist in younger children. Therefore, this review sought to examine the relationships between combinations of movement behaviours and health indicators in the early years (1.00 month to 4.99 years). METHODS: Medline, EMBASE, PsycINFO, and SportDiscus were searched for relevant studies up to November 2016, with no date or study design limits. Included studies met the a priori-determined population (apparently healthy children aged 1.00 month to 4.99 years), intervention (combination of >=2 movement behaviours [i.e., sleep and sedentary behaviour; sleep and physical activity; sedentary behaviour and physical activity; and sleep, sedentary behaviour, and physical activity]), comparator (various levels and combinations of movement behaviours), and health outcome/indicator (Critical: adiposity, motor development, psychosocial health/emotional regulation, cognitive development, fitness, and growth; Important: bone and skeletal health, cardiometabolic health, and risks). For each health indicator, quality of evidence was assessed by study design using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) framework. RESULTS: Ten articles (n = 7436 participants; n = 5 countries) were included. Across observational and experimental study designs, the most ideal combinations of sedentary behaviour and physical activity were: favourably associated with motor development and fitness among preschool-aged children (3.00 to 4.99 years); both favourably and not associated with adiposity among toddlers (1.10 to 2.99 years) and preschool aged children; and not associated with growth among toddlers and preschool-aged children. The most ideal combinations of sleep and sedentary behaviour were favourably associated with adiposity among infants (1.00 month to 1.00 years) and toddlers. Quality of evidence ranged from "very low" to "moderate". CONCLUSIONS: The most ideal combinations of movement behaviours (e.g., high sleep, low sedentary behaviour, high physical activity) may be important for optimal health in the early years. Findings can help inform movement behaviour guidelines for the early years. Given the limited evidence, future research is needed to determine the ideal distribution of daily movement behaviours for optimal health throughout the early years. PMID- 29219072 TI - A deep auto-encoder model for gene expression prediction. AB - BACKGROUND: Gene expression is a key intermediate level that genotypes lead to a particular trait. Gene expression is affected by various factors including genotypes of genetic variants. With an aim of delineating the genetic impact on gene expression, we build a deep auto-encoder model to assess how good genetic variants will contribute to gene expression changes. This new deep learning model is a regression-based predictive model based on the MultiLayer Perceptron and Stacked Denoising Auto-encoder (MLP-SAE). The model is trained using a stacked denoising auto-encoder for feature selection and a multilayer perceptron framework for backpropagation. We further improve the model by introducing dropout to prevent overfitting and improve performance. RESULTS: To demonstrate the usage of this model, we apply MLP-SAE to a real genomic datasets with genotypes and gene expression profiles measured in yeast. Our results show that the MLP-SAE model with dropout outperforms other models including Lasso, Random Forests and the MLP-SAE model without dropout. Using the MLP-SAE model with dropout, we show that gene expression quantifications predicted by the model solely based on genotypes, align well with true gene expression patterns. CONCLUSION: We provide a deep auto-encoder model for predicting gene expression from SNP genotypes. This study demonstrates that deep learning is appropriate for tackling another genomic problem, i.e., building predictive models to understand genotypes' contribution to gene expression. With the emerging availability of richer genomic data, we anticipate that deep learning models play a bigger role in modeling and interpreting genomics. PMID- 29219073 TI - Proportion of infants meeting the Australian 24-hour Movement Guidelines for the Early Years: data from the Melbourne InFANT Program. AB - BACKGROUND: Little information is available on the movement behaviours of infants, despite evidence that these are important for development. The release of new Australian 24-hour Movement Guidelines provides an opportunity to document the current state of movement behaviours in infants relative to these guidelines. The aim of this study was to report the prevalence of 4 month old Australian infants meeting the 24-hour Movement Guidelines, individually, and in combination, and to describe associations with individual characteristics. METHODS: Maternal report baseline data from the Melbourne Infant Feeding, Activity and Nutrition Trial Program were used to determine prevalence of infants meeting physical activity (30 min of tummy time per day), sedentary behaviour (no more than 1 h at a time kept restrained; zero screen time), and sleep guidelines (14-17 h for 0-3 month olds or 12-16 h for 4-11 month olds). Prevalence of infants meeting combined guidelines was also described. The odds of meeting guidelines based on infant and family characteristics was determined. RESULTS: Data are reported for 455 infants with a mean age of 3.6 months (SD = 1.0). The proportion of infants meeting each of the guidelines was 29.7% for tummy time, 56.9% for kept restrained, 27.9% for screen time, 58.7% for sleep and 3.5% for the combined guidelines (i.e. meeting all four guidelines). A significantly higher proportion of girls than boys met the screen time guideline (32.5% versus 24.0%, p = 0.04) and the combined guidelines (5.7% versus 1.6%, p = 0.01). Few associations were observed between infant and family characteristics and proportion of infants meeting individual guidelines. CONCLUSIONS: Very few infants met all of the guidelines contained in the new Australian 24-hour Movement Guidelines suggesting there is much room for improvement in movement behaviours from early life. Fewer infants met the tummy time and screen time guidelines hence these appear to be the behaviours requiring most attention. Parents and others providing care to infants require support and strategies to assist them in adhering to the guidelines to ensure optimal health and development for the youngest in our population. PMID- 29219074 TI - Economic cost and quality of life of family caregivers of schizophrenic patients attending psychiatric hospitals in Ghana. AB - BACKGROUND: Low and middle income countries face many challenges in meeting their populations' mental health care needs. Though family caregiving is crucial to the management of severe mental health disabilities, such as schizophrenia, the economic costs borne by family caregivers often go unnoticed. In this study, we estimated the household economic costs of schizophrenia and quality of life of family caregivers in Ghana. METHODS: We used a cost of illness analysis approach. Quality of life (QoL) was assessed using the abridged WHO Quality of Life (WHOQOL BREF) tool. Cross-sectional data were collected from 442 caregivers of patients diagnosed with schizophrenia at least six months prior to the study and who received consultation in any of the three psychiatric hospitals in Ghana. Economic costs were categorized as direct costs (including medical and non medical costs of seeking care), indirect costs (productivity losses to caregivers) and intangible costs (non-monetary costs such as stigma and pain). Direct costs included costs of medical supplies, consultations, and travel. Indirect costs were estimated as value of productive time lost (in hours) to primary caregivers. Intangible costs were assessed using the Zarit Burden Interview (ZBI). We employed multiple regression models to assess the covariates of costs, caregiver burden, and QoL. RESULTS: Total monthly cost to caregivers was US$ 273.28, on average. Key drivers of direct costs were medications (50%) and transportation (27%). Direct costs per caregiver represented 31% of the reported monthly earnings. Mean caregiver burden (measured by the ZBI) was 16.95 on a scale of 0-48, with 49% of caregivers reporting high burden. Mean QoL of caregivers was 28.2 (range: 19.6-34.8) out of 100. Better educated caregivers reported lower indirect costs and better QoL. Caregivers with higher severity of depression, anxiety and stress reported higher caregiver burden and lower QoL. Males reported better QoL. CONCLUSIONS: These findings highlight the high household burden of caregiving for people living with schizophrenia in low income settings. Results underscore the need for policies and programs to support caregivers. PMID- 29219075 TI - Proportion of preschool-aged children meeting the Canadian 24-Hour Movement Guidelines and associations with adiposity: results from the Canadian Health Measures Survey. AB - BACKGROUND: New Canadian 24-Hour Movement Guidelines for the Early Years have been released in 2017. According to the guidelines, within a 24-h period, preschoolers should accumulate at least 180 min of physical activity (of which at least 60 min is moderate-to-vigorous physical activity), engage in no more than 1 h of screen time, and obtain between 10 and 13 h of sleep. This study examined the proportions of preschool-aged (3 to 4 years) Canadian children who met these new guidelines and different recommendations within the guidelines, and the associations with adiposity indicators. METHODS: Participants were 803 children (mean age: 3.5 years) from cycles 2-4 of the Canadian Health Measures Survey (CHMS), a nationally representative cross-sectional sample of Canadians. Physical activity was accelerometer-derived, and screen time and sleep duration were parent-reported. Participants were classified as meeting the overall 24-Hour Movement Guidelines if they met all three specific time recommendations for physical activity, screen time, and sleep. The adiposity indicators in this study were body mass index (BMI) z-scores and BMI status (World Health Organization Growth Standards). RESULTS: A total of 12.7% of preschool-aged children met the overall 24-Hour Movement Guidelines, and 3.3% met none of the three recommendations. A high proportion of children met the sleep duration (83.9%) and physical activity (61.8%) recommendations, while 24.4% met the screen time recommendation. No associations were found between meeting individual or combined recommendations and adiposity. CONCLUSIONS: Very few preschool-aged children in Canada (~13%) met all three recommendations contained within the 24-Hour Movement Guidelines. None of the combinations of recommendations were associated with adiposity in this sample. Future work should focus on identifying innovative ways to reduce screen time in this population, and should examine the associations of guideline adherence with health indicators other than adiposity. PMID- 29219076 TI - "It takes more than a fellowship program": reflections on capacity strengthening for health systems research in sub-Saharan Africa. AB - Sub-Saharan Africa (SSA) experiences an acute dearth of well-trained and skilled researchers. This dearth constrains the region's capacity to identify and address the root causes of its poor social, health, development, and other outcomes. Building sustainable research capacity in SSA requires, among other things, locally led and run initiatives that draw on existing regional capacities as well as mutually beneficial global collaborations. This paper describes a regional research capacity strengthening initiative-the African Doctoral Dissertation Research Fellowship (ADDRF) program. This Africa-based and African-led initiative has emerged as a practical and tested platform for producing and nurturing research leaders, strengthening university-wide systems for quality research training and productivity, and building a critical mass of highly-trained African scholars and researchers. The program deploys different interventions to ensure the success of fellows. These interventions include research methods and scientific writing workshops, research and reentry support grants, post-doctoral research support and placements, as well as grants for networking and scholarly conferences attendance. Across the region, ADDRF graduates are emerging as research leaders, showing signs of becoming the next generation of world-class researchers, and supporting the transformations of their home-institutions. While the contributions of the ADDRF program to research capacity strengthening in the region are significant, the sustainability of the initiative and other research and training fellowship programs on the continent requires significant investments from local sources and, especially, governments and the private sector in Africa. The ADDRF experience demonstrates that research capacity building in Africa is possible through innovative, multifaceted interventions that support graduate students to develop different critical capacities and transferable skills and build, expand, and maintain networks that can sustain them as scholars and researchers. PMID- 29219077 TI - Cross-sectional associations between sleep duration, sedentary time, physical activity, and adiposity indicators among Canadian preschool-aged children using compositional analyses. AB - BACKGROUND: Sleep duration, sedentary behaviour, and physical activity are three co-dependent behaviours that fall on the movement/non-movement intensity continuum. Compositional data analyses provide an appropriate method for analyzing the association between co-dependent movement behaviour data and health indicators. The objectives of this study were to examine: (1) the combined associations of the composition of time spent in sleep, sedentary behaviour, light-intensity physical activity (LPA), and moderate- to vigorous-intensity physical activity (MVPA) with adiposity indicators; and (2) the association of the time spent in sleep, sedentary behaviour, LPA, or MVPA with adiposity indicators relative to the time spent in the other behaviours in a representative sample of Canadian preschool-aged children. METHODS: Participants were 552 children aged 3 to 4 years from cycles 2 and 3 of the Canadian Health Measures Survey. Sedentary time, LPA, and MVPA were measured with Actical accelerometers (Philips Respironics, Bend, OR USA), and sleep duration was parental reported. Adiposity indicators included waist circumference (WC) and body mass index (BMI) z-scores based on World Health Organization growth standards. Compositional data analyses were used to examine the cross-sectional associations. RESULTS: The composition of movement behaviours was significantly associated with BMI z-scores (p = 0.006) but not with WC (p = 0.718). Further, the time spent in sleep (BMI z score: gamma sleep = -0.72; p = 0.138; WC: gamma sleep = -1.95; p = 0.285), sedentary behaviour (BMI z-score: gamma SB = 0.19; p = 0.624; WC: gamma SB = 0.87; p = 0.614), LPA (BMI z-score: gamma LPA = 0.62; p = 0.213, WC: gamma LPA = 0.23; p = 0.902), or MVPA (BMI z-score: gamma MVPA = -0.09; p = 0.733, WC: gamma MVPA = 0.08; p = 0.288) relative to the other behaviours was not significantly associated with the adiposity indicators. CONCLUSIONS: This study is the first to use compositional analyses when examining associations of co dependent sleep duration, sedentary time, and physical activity behaviours with adiposity indicators in preschool-aged children. The overall composition of movement behaviours appears important for healthy BMI z-scores in preschool-aged children. Future research is needed to determine the optimal movement behaviour composition that should be promoted in this age group. PMID- 29219079 TI - Computational identification of harmful mutation regions to the activity of transposable elements. AB - BACKGROUND: Transposable elements (TEs) are interspersed DNA sequences that can move or copy to new positions within a genome. TEs are believed to promote speciation and their activities play a significant role in human disease. In the human genome, the 22 AluY and 6 AluS TE subfamilies have been the most recently active, and their transposition has been implicated in many inherited human diseases and in various forms of cancer. Therefore, understanding their transposition activity is very important and identifying the factors that affect their transpositional activity is of great interest. Recently, there has been some work done to quantify the activity levels of active Alu TEs based on variation in the sequence. Given this activity data, an analysis of TE activity based on the position of mutations is conducted. RESULTS: A method/simulation is created to computationally predict so-called harmful mutation regions in the consensus sequence of a TE; that is, mutations that occur in these regions decrease the transpositional activity dramatically. The methods are applied to the most active subfamily, AluY, to identify the harmful regions, and seven harmful regions are identified within the AluY consensus with q-values less than 0.05. A supplementary simulation also shows that the identified harmful regions covering the AluYa5 RNA functional regions are not occurring by chance. This method is then applied to two additional TE families: the Alu family and the L1 family, to computationally detect the harmful regions in these elements. CONCLUSIONS: We use a computational method to identify a set of harmful mutation regions. Mutations within the identified harmful regions decrease the transpositional activity of active elements. The correlation between the mutations within these regions and the transpositional activity of TEs are shown to be statistically significant. Verifications are presented using the activity of AluY elements and the secondary structure of the AluYa5 RNA, providing evidence that the method is successfully identifying harmful mutation regions. PMID- 29219078 TI - Systematic review of the relationships between sleep duration and health indicators in the early years (0-4 years). AB - BACKGROUND: The objective of this systematic review was to examine for the first time the associations between sleep duration and a broad range of health indicators in children aged 0 to 4 years. METHODS: Electronic databases were searched with no limits on date or study design. Included studies (published in English or French) were peer-reviewed and met the a priori determined population (apparently healthy children aged 1 month to 4.99 years), intervention/exposure/comparator (various sleep durations), and outcome criteria (adiposity, emotional regulation, cognitive development, motor development, growth, cardiometabolic health, sedentary behaviour, physical activity, quality of life/well-being, and risks/injuries). The quality of evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework. Due to high levels of heterogeneity across studies, narrative syntheses were employed. RESULTS: A total of 69 articles/studies (62 unique samples) met inclusion criteria. Data across studies included 148,524 unique participants from 23 countries. The study designs were randomized trials (n = 3), non-randomized interventions (n = 1), longitudinal studies (n = 16), cross sectional studies (n = 42), or longitudinal studies that also reported cross sectional analyses (n = 7). Sleep duration was assessed by parental report in 70% of studies (n = 48) and was measured objectively (or both objectively and subjectively) in 30% of studies (n = 21). Overall, shorter sleep duration was associated with higher adiposity (20/31 studies), poorer emotional regulation (13/25 studies), impaired growth (2/2 studies), more screen time (5/5 studies), and higher risk of injuries (2/3 studies). The evidence related to cognitive development, motor development, physical activity, and quality of life/well-being was less clear, with no indicator showing consistent associations. No studies examined the association between sleep duration and cardiometabolic biomarkers in children aged 0 to 4 years. The quality of evidence ranged from "very low" to "high" across study designs and health indicators. CONCLUSIONS: Despite important limitations in the available evidence, longer sleep duration was generally associated with better body composition, emotional regulation, and growth in children aged 0 to 4 years. Shorter sleep duration was also associated with longer screen time use and more injuries. Better-quality studies with stronger research designs that can provide information on dose-response relationships are needed to inform contemporary sleep duration recommendations. PMID- 29219080 TI - Health practitioners' emotional reactions to caring for hospitalized children in Lome, Togo: a qualitative study. AB - BACKGROUND: Health practitioners frequently encounter dying, death and suffering. While providing health care can be stressful, the literature on how different health practitioners cope with the emotional challenges associated with their work is sparse. Further, much of this literature is based on studies conducted in high-income countries. In this study, we explored emotional distress and associated coping strategies among health practitioners working in a pediatric oncology department in a large teaching hospital in Lome, Togo. METHODS: We undertook a cross-sectional qualitative research involving in-depth interviews with 21 health practitioners (doctors, nurses, and nursing assistants) as well as facility-based observations Interview data were collected using a semi-structured discussion guide. All interviews were audio-recorded while observational notes were hand-written and ultimately typed. All data were transcribed, coded and analyzed thematically. RESULTS: We found that practitioners experienced significant emotional distress. Their emotional distress was compounded by the seriousness of the illnesses they treated, the lack of appropriate medical equipment, and treatment failures that caused their patients to suffer. The health practitioners' narratives suggested that a key reason for their emotional distress was a mismatch between their professional training and the realities of providing care in a resource-constrained setting. They also reported not receiving any training on how to cope with the emotional stresses associated with care and preventable patient deaths. CONCLUSION: Caring for patients is a source of significant emotional distress. The emotional stress experienced by health practitioners is compounded in resource-limited settings where weak health systems undermine practitioners' ability to provide quality care. Results underscore the need to train health professionals to positively cope with the emotional stresses associated with patient care and for health systems improvements to ensure quality care. PMID- 29219081 TI - Whole genome analysis of CRISPR Cas9 sgRNA off-target homologies via an efficient computational algorithm. AB - BACKGROUND: The beauty and power of the genome editing mechanism, CRISPR Cas9 endonuclease system, lies in the fact that it is RNA-programmable such that Cas9 can be guided to any genomic loci complementary to a 20-nt RNA, single guide RNA (sgRNA), to cleave double stranded DNA, allowing the introduction of wanted mutations. Unfortunately, it has been reported repeatedly that the sgRNA can also guide Cas9 to off-target sites where the DNA sequence is homologous to sgRNA. RESULTS: Using human genome and Streptococcus pyogenes Cas9 (SpCas9) as an example, this article mathematically analyzed the probabilities of off-target homologies of sgRNAs and discovered that for large genome size such as human genome, potential off-target homologies are inevitable for sgRNA selection. A highly efficient computationl algorithm was developed for whole genome sgRNA design and off-target homology searches. By means of a dynamically constructed sequence-indexed database and a simplified sequence alignment method, this algorithm achieves very high efficiency while guaranteeing the identification of all existing potential off-target homologies. Via this algorithm, 1,876,775 sgRNAs were designed for the 19,153 human mRNA genes and only two sgRNAs were found to be free of off-target homology. CONCLUSIONS: By means of the novel and efficient sgRNA homology search algorithm introduced in this article, genome wide sgRNA design and off-target analysis were conducted and the results confirmed the mathematical analysis that for a sgRNA sequence, it is almost impossible to escape potential off-target homologies. Future innovations on the CRISPR Cas9 gene editing technology need to focus on how to eliminate the Cas9 off-target activity. PMID- 29219082 TI - Task shifting in the management of hypertension in Kinshasa, Democratic Republic of Congo: a cross-sectional study. AB - BACKGROUND: The Democratic Republic of the Congo (DRC) is characterized by a high prevalence of hypertension (HTN) and a high proportion of uncontrolled HTN, which is indicative of poor HTN management. Effective management of HTN in the African region is challenging due to limited resources, particularly human resources for health. To address the shortage of health workers, the World Health Organization (WHO) recommends task shifting for better disease management and treatment. Although task shifting from doctors to nurses is being implemented in the DRC, there are no studies, to the best of our knowledge, that document the association between task shifting and HTN control. The aim of this study was to investigate the association between task shifting and HTN control in Kinshasa, DRC. METHODS: We conducted a cross-sectional study in Kinshasa from December 2015 to January 2016 in five general referral hospitals (GRHs) and nine health centers (HCs). A total of 260 hypertensive patients participated in the study. Sociodemographic, clinical, health care costs and perceived health care quality assessment data were collected using a structured questionnaire. To examine the association between task shifting and HTN control, we assessed differences between GRH and HC patients using bivariate and multivariate analyses. RESULTS: Almost half the patients were female (53.1%), patients' mean age was 59.5 +/- 11.4 years. Over three-fourths of patients had uncontrolled HTN. There was no significant difference in the proportion of GRH and HC patients with uncontrolled HTN (76.2% vs 77.7%, p = 0.771). Uncontrolled HTN was associated with co-morbidity (OR = 10.3; 95% CI: 3.8-28.3) and the type of antihypertensive drug used (OR = 4.6; 95% CI: 1.3-16.1). The mean healthcare costs in the GRHs were significantly higher than costs in the HCs (US$ 34.2 +/- US$3.34 versus US$ 7.7 +/- US$ 0.6, respectively). CONCLUSION: Uncontrolled HTN was not associated with the type of health facility. This finding suggests that the management of HTN at primary healthcare level might be just as effective as at secondary level. However, the high proportion of patients with uncontrolled HTN underscores the need for HTN management guidelines at all healthcare levels. PMID- 29219083 TI - A descriptive study of treatment provision for problem alcohol drinking in adult males in Khayelitsha, Cape Town, South Africa. AB - BACKGROUND: Poor, Black African males are underrepresented as patients in facilities that treat problem drinking in Cape Town, South Africa. Reasons for this remain unclear, but factors such as the kinds of treatment provided, perceptions of treatment efficacy, social stigma and traditional treatment beliefs have been suggested as possible barriers to treatment seeking. This descriptive study examined the availability and nature of problem drinking treatment facilities in Khayelitsha, a largely poor township of Black, Xhosa speaking Africans, on the outskirts of Cape Town. METHODS: Seven treatment facilities for problem drinking in adult males were identified using data from the Department of Social Development in the City of Cape Town. Staff members were identified as key informants at each of the treatment facilities, and were interviewed using a structured questionnaire. Twelve interviews were conducted. RESULTS: Findings indicated that the available alcohol treatment facilities were relatively new, that treatment modalities varied both across and within treatment facilities, and that treatment was provided largely by social workers. Treatment facilities did not accommodate overnight stay for patients, operated during weekday office hours, and commonly referred patients to the same psychiatric hospital. DISCUSSION: The study provides a baseline for assessing barriers to treatment for problem drinking in Khayelitsha by highlighting the nature of available facilities as playing a predominantly screening role with associated social work services, and a point of referral for admission to a psychiatric institution for treatment. The social and financial implications of such referral are pertinent to the discussion of treatment barriers. CONCLUSIONS: Recommendations are made to inform policy towards locally-provided integrated care to improve treatment provision and access. PMID- 29219084 TI - An improved Bayesian network method for reconstructing gene regulatory network based on candidate auto selection. AB - BACKGROUND: The reconstruction of gene regulatory network (GRN) from gene expression data can discover regulatory relationships among genes and gain deep insights into the complicated regulation mechanism of life. However, it is still a great challenge in systems biology and bioinformatics. During the past years, numerous computational approaches have been developed for this goal, and Bayesian network (BN) methods draw most of attention among these methods because of its inherent probability characteristics. However, Bayesian network methods are time consuming and cannot handle large-scale networks due to their high computational complexity, while the mutual information-based methods are highly effective but directionless and have a high false-positive rate. RESULTS: To solve these problems, we propose a Candidate Auto Selection algorithm (CAS) based on mutual information and breakpoint detection to restrict the search space in order to accelerate the learning process of Bayesian network. First, the proposed CAS algorithm automatically selects the neighbor candidates of each node before searching the best structure of GRN. Then based on CAS algorithm, we propose a globally optimal greedy search method (CAS + G), which focuses on finding the highest rated network structure, and a local learning method (CAS + L), which focuses on faster learning the structure with little loss of quality. CONCLUSION: Results show that the proposed CAS algorithm can effectively reduce the search space of Bayesian networks through identifying the neighbor candidates of each node. In our experiments, the CAS + G method outperforms the state-of-the-art method on simulation data for inferring GRNs, and the CAS + L method is significantly faster than the state-of-the-art method with little loss of accuracy. Hence, the CAS based methods effectively decrease the computational complexity of Bayesian network and are more suitable for GRN inference. PMID- 29219085 TI - Perceptions about data-informed decisions: an assessment of information-use in high HIV-prevalence settings in South Africa. AB - BACKGROUND: Information-use is an integral component of a routine health information system and essential to influence policy-making, program actions and research. Despite an increased amount of routine data collected, planning and resource-allocation decisions made by health managers for managing HIV programs are often not based on data. This study investigated the use of information, and barriers to using routine data for monitoring the prevention of mother-to-child transmission of HIV (PMTCT) programs in two high HIV-prevalence districts in South Africa. METHODS: We undertook an observational study using a multi-method approach, including an inventory of facility records and reports. The performance of routine information systems management (PRISM) diagnostic 'Use of Information' tool was used to assess the PMTCT information system for evidence of data use in 57 health facilities in two districts. Twenty-two in-depth interviews were conducted with key informants to investigate barriers to information use in decision-making. Participants were purposively selected based on their positions and experience with either producing PMTCT data and/or using data for management purposes. We computed descriptive statistics and used a general inductive approach to analyze the qualitative data. RESULTS: Despite the availability of mechanisms and processes to facilitate information-use in about two-thirds of the facilities, evidence of information-use (i.e., indication of some form of information-use in available RHIS reports) was demonstrated in 53% of the facilities. Information was inadequately used at district and facility levels to inform decisions and planning, but was selectively used for reporting and monitoring program outputs at the provincial level. The inadequate use of information stemmed from organizational issues such as the lack of a culture of information-use, lack of trust in the data, and the inability of program and facility managers to analyze, interpret and use information. CONCLUSIONS: Managers' inability to use information implied that decisions for program implementation and improving service delivery were not always based on data. This lack of data use could influence the delivery of health care services negatively. Facility and program managers should be provided with opportunities for capacity development as well as practice-based, in-service training, and be supported to use information for planning, management and decision-making. PMID- 29219086 TI - Measurement and analysis of inequality of opportunity in access of maternal and child health care in Togo. AB - BACKGROUND: Access to maternal and child health care in low- and middle-income countries such as Togo is characterized by significant inequalities. Most studies in the Togolese context have examined the total inequality of health and the determinants of individuals' health. Few empirical studies in Togo have focused on inequalities of opportunity in maternal and child health. To fill this gap, we estimated changes in inequality of opportunity in access to maternal and child health services between 1998 and 2013 using data from Togo Demographic and Health Surveys (DHS). METHOD: We computed the Human Opportunity Index (HOI)-a measure of how individual, household, and geographic characteristics like sex and place of residence can affect individuals' access to services or goods that should be universal-using five indicators of access to healthcare and one composite indicator of access to adequate care for children. The five indicators of access were: birth in a public or private health facility; whether the child had received any vaccinations; access to prenatal care; prenatal care given by qualified staff; and having at least four antenatal visits. We then examined differences across the two years. RESULTS: Between 1998 and 2013, inequality of opportunities decreased for four out of six indicators. However, inequalities increased in access to antenatal care provided by qualified staff (5.9% to 12.5%) and access to adequate care (27.7% to 28.6%). CONCLUSIONS: Although inequality of opportunities reduced between 1998 and 2013 for some of the key maternal and child health indicators, the average coverage and access rates underscore the need for sustained efforts to ensure equitable access to primary health care for mothers and children. PMID- 29219087 TI - Canadian 24-hour movement guidelines for the early years (0-4 years): exploring the perceptions of stakeholders and end users regarding their acceptability, barriers to uptake, and dissemination. AB - BACKGROUND: It is important to engage stakeholders and end users in the development of guidelines for knowledge translation purposes. The aim of this study was to examine stakeholders' (experts in pediatric and family medicine, physical activity knowledge translation, and research) and end users' (parents and early childhood educators) perceptions of the Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years). METHODS: Stakeholders (n = 10) engaged in telephone interviews and end users (n = 92) participated in focus groups (n = 14) to discuss perceived clarity and need for the guidelines, potential barriers to implementation, identification of credible messengers, and methods for dissemination of the guidelines. A thematic analysis was conducted. RESULTS: The proposed guidelines were very well received by both stakeholders and end users. A clear need for such guidelines was identified, and most believed the guidelines were achievable. Stakeholders and end users identified several potential barriers to uptake, including low awareness of current guidelines; 'daily challenges' such as allure of screen time, lack of time, and competing priorities; and challenges in the context of shifting social norms. A range of methods and messengers of dissemination were identified. Medical and child care settings were the most frequently cited places for dissemination, and physicians and early childhood educators were the most common suggestions for messengers. CONCLUSIONS: There was consistent support for the Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years) from both stakeholders and end users. Moving forward, it is important to dedicate appropriate support and funding toward dissemination efforts in order to reach end users, particularly parents and early childhood educators. PMID- 29219088 TI - The health effects of hotter summers and heat waves in the population of the United Kingdom: a review of the evidence. AB - It is widely acknowledged that the climate is warming globally and within the UK. In this paper, studies which assess the direct impact of current increased temperatures and heat-waves on health and those which project future health impacts of heat under different climate change scenarios in the UK are reviewed.This review finds that all UK studies demonstrate an increase in heat related mortality occurring at temperatures above threshold values, with respiratory deaths being more sensitive to heat than deaths from cardiovascular disease (although the burden from cardiovascular deaths is greater in absolute terms). The relationship between heat and other health outcomes such as hospital admissions, myocardial infarctions and birth outcomes is less consistent. We highlight the main populations who are vulnerable to heat. Within the UK, these are older populations, those with certain co-morbidities and those living in Greater London, the South East and Eastern regions.In all assessments of heat related impacts using different climate change scenarios, deaths are expected to increase due to hotter temperatures, with some studies demonstrating that an increase in the elderly population will also amplify burdens. However, key gaps in knowledge are found in relation to how urbanisation and population adaptation to heat will affect health impacts, and in relation to current and future strategies for effective, sustainable and equitable adaptation to heat. These and other key gaps in knowledge, both in terms of research needs and knowledge required to make sound public- health policy, are discussed. PMID- 29219089 TI - Health impacts of climate change and health and social inequalities in the UK. AB - This article examines how social and health inequalities shape the health impacts of climate change in the UK, and what the implications are for climate change adaptation and health care provision. The evidence generated by the other articles of the special issue were interpreted using social justice reasoning in light of additional literature, to draw out the key implications of health and social inequalities for health outcomes of climate change. Exposure to heat and cold, air pollution, pollen, food safety risks, disruptions to access to and functioning of health services and facilities, emerging infections and flooding are examined as the key impacts of climate change influencing health outcomes. Age, pre-existing medical conditions and social deprivation are found to be the key (but not only) factors that make people vulnerable and to experience more adverse health outcomes related to climate change impacts. In the future, climate change, aging population and decreasing public spending on health and social care may aggravate inequality of health outcomes related to climate change. Health education and public preparedness measures that take into account differential exposure, sensitivity and adaptive capacity of different groups help address health and social inequalities to do with climate change. Adaptation strategies based on individual preparedness, action and behaviour change may aggravate health and social inequalities due to their selective uptake, unless they are coupled with broad public information campaigns and financial support for undertaking adaptive measures. PMID- 29219091 TI - Potential impact of climate change on emerging vector-borne and other infections in the UK. AB - Climate is one of several causes of disease emergence. Although half or more of infectious diseases are affected by climate it appears to be a relatively infrequent cause of human disease emergence. Climate mostly affects diseases caused by pathogens that spend part of their lifecycle outside of the host, exposed to the environment. The most important routes of transmission of climate sensitive diseases are by arthropod (insect and tick) vectors, in water and in food. Given the sensitivity of many diseases to climate, it is very likely that at least some will respond to future climate change. In the case of vector-borne diseases this response will include spread to new areas. Several vector-borne diseases have emerged in Europe in recent years; these include vivax malaria, West Nile fever, dengue fever, Chikungunya fever, leishmaniasis, Lyme disease and tick-borne encephalitis. The vectors of these diseases are mosquitoes, sand flies and ticks. The UK has endemic mosquito species capable of transmitting malaria and probably other pathogens, and ticks that transmit Lyme disease. The UK is also threatened by invasive mosquito species known to be able to transmit West Nile, dengue, chikungunya and Zika, and sand flies that spread leishmaniasis. Warmer temperatures in the future will increase the suitability of the UK's climate for these invasive species, and increase the risk that they may spread disease. While much attention is on invasive species, it is important to recognize the threat presented by native species too. Proposed actions to reduce the future impact of emerging vector-borne diseases in the UK include insect control activity at points of entry of vehicles and certain goods, wider surveillance for mosquitoes and sand flies, research into the threat posed by native species, increased awareness of the medical profession of the threat posed by specific diseases, regular risk assessments, and increased preparedness for the occurrence of a disease emergency. PMID- 29219090 TI - Systematic review of the relationships between physical activity and health indicators in the early years (0-4 years). AB - BACKGROUND: Given the rapid development during the early years (0-4 years), an understanding of the health implications of physical activity is needed. The purpose of this systematic review was to examine the relationships between objectively and subjectively measured physical activity and health indicators in the early years. METHODS: Electronic databases were originally searched in April, 2016. Included studies needed to be peer-reviewed, written in English or French, and meet a priori study criteria. The population was apparently healthy children aged 1 month to 59.99 months/4.99 years. The intervention/exposure was objectively and subjectively measured physical activity. The comparator was various volumes, durations, frequencies, patterns, types, and intensities of physical activity. The outcomes were health indicators ranked as critical (adiposity, motor development, psychosocial health, cognitive development, fitness) and important (bone and skeletal health, cardiometabolic health, and risks/harm). The Grading of Recommendations Assessment, Development, and Evaluation (GRADE) framework was used to assess the quality of evidence for each health indicator by each study design. RESULTS: Ninety-six studies representing 71,291 unique participants from 36 countries were included. Physical activity interventions were consistently (>60% of studies) associated with improved motor and cognitive development, and psychosocial and cardiometabolic health. Across observational studies, physical activity was consistently associated with favourable motor development, fitness, and bone and skeletal health. For intensity, light- and moderate-intensity physical activity were not consistently associated with any health indicators, whereas moderate- to vigorous-intensity, vigorous-intensity, and total physical activity were consistently favourably associated with multiple health indicators. Across study designs, consistent favourable associations with health indicators were observed for a variety of types of physical activity, including active play, aerobic, dance, prone position (infants; <=1 year), and structured/organized. Apart from >=30 min/day of the prone position for infants, the most favourable frequency and duration of physical activity was unclear. However, more physical activity appeared better for health. Evidence ranged from "very low" to "high" quality. CONCLUSIONS: Specific types of physical activity, total physical activity, and physical activity of at least moderate- to vigorous-intensity were consistently favourably associated with multiple health indicators. The majority of evidence was in preschool-aged children (3-4 years). Findings will inform evidence-based guidelines. PMID- 29219093 TI - Feasibility of implementing a cellphone-based reminder/recall strategy to improve childhood routine immunization in a low-resource setting: a descriptive report. AB - BACKGROUND: Reminder/recall systems are effective ways to improve immunization rates, but their feasibility in primary health care (PHC) settings in Nigeria has not been adequately evaluated. In this study we describe the acceptability and adaptability of immunization reminder/recall system in an urban setting in southwest Nigeria. METHODS: This is a descriptive report of a cluster randomized controlled trial. Four local government areas (LGAs) were randomly assigned into a cellphone reminder/recall intervention group or a usual care control group. Within each LGA, PHC centers were purposively selected to participate in the study. In each PHC center, mothers and their infants aged 0-3 months were enrolled into the two groups during the infants' first immunization visit. Mothers (or other contact persons) in the intervention group received cellphone calls reminding them to take their child for scheduled immunizations. Follow-up of all the children lasted till the final scheduled immunization visit for each child. The intervention lasted for 13 months. RESULTS: A total of 595 mothers/infants pairs (295 in the intervention group and 300 in the control group) participated in the study. Almost all mothers (n = 590, 99.2%) had access to their own cellphone or had access to a cellphone belonging to a significant other. Ninety-eight percent (n = 584) of all mothers were willing to receive immunization reminder/recall phone calls. Eighty-seven percent (n = 2023) of all calls (n = 2324) for the reminder/recall intervention went through to the recipients and of these calls, 1948 (96.3%) were received. The mean cost of each call in US Dollars was about 5 cents. Immunization compliance rate (the receipt of required number of doses of routine vaccines at the appropriate age at recommended interval) was 79.2% among the children in intervention group and 46.4% in the control group (p < 0.001). CONCLUSION: Results demonstrate that cellphone reminder/recall interventions to improve routine childhood immunization are feasible in PHC settings in limited-resource settings with wide cellphone coverage, such as urban areas in Nigeria. Further research to test the potential for scale up in a variety of settings is recommended. TRIAL REGISTRATION: PACTR201702002043415 ; Date of registration: 17 February 2017. (Retrospectively registered). PMID- 29219092 TI - Systematic review of the relationships between sedentary behaviour and health indicators in the early years (0-4 years). AB - BACKGROUND: The purpose of this systematic review was to examine the relationships between sedentary behaviour (SB) and health indicators in children aged 0 to 4 years, and to determine what doses of SB (i.e., duration, patterns [frequency, interruptions], and type) were associated with health indicators. METHODS: Online databases were searched for peer-reviewed studies that met the a priori inclusion criteria: population (apparently healthy, 1 month to 4.99 years), intervention/exposure and comparator (durations, patterns, and types of SB), and outcome/health indicator (critical: adiposity, motor development, psychosocial health, cognitive development; important: bone and skeletal health, cardiometabolic health, fitness, risks/harm). The quality of the evidence was assessed by study design and outcome using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework. RESULTS: Due to heterogeneity, meta-analyses were not possible; instead, narrative syntheses were conducted, structured around the health indicator and type of SB. A total of 96 studies were included (195,430 participants from 33 countries). Study designs were: randomized controlled trial (n = 1), case-control (n = 3), longitudinal (n = 25), longitudinal with additional cross-sectional analyses (n = 5), and cross sectional (n = 62). Evidence quality ranged from "very low" to "moderate". Associations between objectively measured total sedentary time and indicators of adiposity and motor development were predominantly null. Associations between screen time and indicators of adiposity, motor or cognitive development, and psychosocial health were primarily unfavourable or null. Associations between reading/storytelling and indicators of cognitive development were favourable or null. Associations between time spent seated (e.g., in car seats or strollers) or in the supine position, and indicators of adiposity and motor development, were primarily unfavourable or null. Data were scarce for other outcomes. CONCLUSIONS: These findings continue to support the importance of minimizing screen time for disease prevention and health promotion in the early years, but also highlight the potential cognitive benefits of interactive non-screen-based sedentary behaviours such as reading and storytelling. Additional high-quality research using valid and reliable measures is needed to more definitively establish the relationships between durations, patterns, and types of SB and health indicators, and to provide insight into the appropriate dose of SB for optimal health in the early years. PMID- 29219094 TI - A collaborative approach to adopting/adapting guidelines - The Australian 24-Hour Movement Guidelines for the early years (Birth to 5 years): an integration of physical activity, sedentary behavior, and sleep. AB - BACKGROUND: In 2017, the Australian Government funded the update of the National Physical Activity Recommendations for Children 0-5 years, with the intention that they be an integration of movement behaviours across the 24-h period. The benefit for Australia was that it could leverage research in Canada in the development of their 24-h guidelines for the early years. Concurrently, the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group published a model to produce guidelines based on adoption, adaption and/or de novo development using the GRADE evidence-to-decision framework. Referred to as the GRADE-ADOLOPMENT approach, it allows guideline developers to follow a structured and transparent process in a more efficient manner, potentially avoiding the need to unnecessarily repeat costly tasks such as conducting systematic reviews. The purpose of this paper is to outline the process and outcomes for adapting the Canadian 24-Hour Movement Guidelines for the Early Years to develop the Australian 24-Hour Movement Guidelines for the Early Years guided by the GRADE-ADOLOPMENT framework. METHODS: The development process was guided by the GRADE-ADOLOPMENT approach. A Leadership Group and Consensus Panel were formed and existing credible guidelines identified. The draft Canadian 24-h integrated movement guidelines for the early years best met the criteria established by the Panel. These were evaluated based on the evidence in the GRADE tables, summaries of findings tables and draft recommendations from the Canadian Draft Guidelines. Updates to each of the Canadian systematic reviews were conducted and the Consensus Panel reviewed the evidence for each behaviour separately and made a decision to adopt or adapt the Canadian recommendations for each behaviour or create de novo recommendations. An online survey was then conducted (n = 302) along with five focus groups (n = 30) and five key informant interviews (n = 5) to obtain feedback from stakeholders on the draft guidelines. RESULTS: Based on the evidence from the Canadian systematic reviews and the updated systematic reviews in Australia, the Consensus Panel agreed to adopt the Canadian recommendations and, apart from some minor changes to the wording of good practice statements, keep the wording of the guidelines, preamble and title of the Canadian Guidelines. The Australian Guidelines provide evidence-informed recommendations for a healthy day (24-h), integrating physical activity, sedentary behaviour (including limits to screen time), and sleep for infants (<1 year), toddlers (1-2 years) and preschoolers (3-5 years). CONCLUSIONS: To our knowledge, this is only the second time the GRADE-ADOLOPMENT approach has been used. Following this approach, the judgments of the Australian Consensus Panel did not differ sufficiently to change the directions and strength of the recommendations and as such, the Canadian recommendations were adopted with very minor alterations. This allowed the Guidelines to be developed much faster and at lower cost. As such, we would recommend the GRADE-ADOLOPMENT approach, especially if a credible set of guidelines, with all supporting materials and developed using a transparent process, is available. Other countries may consider using this approach when developing and/or revising national movement guidelines. PMID- 29219095 TI - Compliance with the Australian 24-hour movement guidelines for the early years: associations with weight status. AB - BACKGROUND: For effective public health and surveillance it is important to document the proportion of young children who meet the new Australian Integrated 24 h Movement Guidelines for the Early Years and how these associate with health outcomes. We aimed to (i) assess compliance with the new Integrated 24 h Movement Guidelines for the Early Years in a sample of Australian toddlers; and (ii) ascertain whether compliance with the guidelines associates with weight status. METHODS: The sample comprised 202 toddlers (104 girls) aged 19.74 +/- 4.07 months from the GET UP! STUDY: Participants wore accelerometers (Actigraph GT3X+) for 24 h over 7 consecutive days to assess physical activity, sedentary time and sleep. Parents reported participants' screen time. Weight and height were measured and body mass index (BMI) z-scores by age and sex were calculated. Analysis of Covariance (ANCOVA) was performed to test differences in BMI z-scores between participants complying with (i) none or any individual guideline, (ii) any combination of meeting two guidelines, and (iii) those who met all three guidelines, adjusting for child age, gender and socioeconomic status. RESULTS: Only 8.9% of the sample met the overall 24 h movement guidelines. Most of the sample met the physical activity (96.5%) and sleep (79.7%) guidelines but only 11.4% met the sedentary behavior guideline. Average BMI Z-scores did not significantly differ between children who complied with none or any individual guideline, any combination of meeting two guidelines, and those who met all three guidelines (p > 0.05). Although the lack of significant differences, participants who accomplished any combination of two guidelines or all three guidelines appear to have had a lower BMI Z-score than those complying with one of the guidelines or none. CONCLUSIONS: Just under 9% of our sample met the overall Australian 24 h Movement Guidelines for the Early Years. BMI was not associated with the accomplishment of any of the 24-h Movement Guidelines. Strategies to promote adherence to the 24-h movement guidelines in toddlers, particularly for screen time, are necessary, as promoting health-related behaviors in early childhood has the potential to provide children a strong foundation for lifelong physical and mental health. PMID- 29219096 TI - Meeting new Canadian 24-Hour Movement Guidelines for the Early Years and associations with adiposity among toddlers living in Edmonton, Canada. AB - BACKGROUND: Canada has recently released guidelines that include toddler-specific recommendations for physical activity, screen-based sedentary behaviour, and sleep. This study examined the proportions of toddlers meeting the new Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years) and associations with body mass index (BMI) z-scores in a sample from Edmonton, Canada. METHODS: Participants included 151 toddlers (aged 19.0 +/- 1.9 months) for whom there was complete objectively measured physical activity data from the Parents' Role in Establishing healthy Physical activity and Sedentary behaviour habits (PREPS) project. Toddlers' physical activity was measured using ActiGraph wGT3X-BT monitors. Toddlers' screen time and sleep were measured using the PREPS questionnaire. Toddlers' height and weight were objectively measured by public health nurses and BMI z-scores were calculated using World Health Organization growth standards. Meeting the overall 24-Hour Movement Guidelines was defined as: >=180 min/day of total physical activity, including >=1 min/day of moderate- to vigorous-intensity physical activity; no screen time per day (for those aged 12 23 months) or <=1 h/day of screen time per day (ages 24-35 months); and 11-14 h of sleep per 24-h period. Frequency analyses and linear regression models were conducted. RESULTS: Only 11.9% of toddlers met the overall 24-Hour Movement Guidelines, but this finding was largely driven by screen time. The majority of toddlers met the individual physical activity (99.3%) and sleep (82.1%) recommendations, while only 15.2% of toddlers met the screen time recommendation. No associations were observed between meeting specific and general combinations of recommendations within the guidelines and BMI z-scores. CONCLUSIONS: Most toddlers in this sample were meeting physical activity and sleep recommendations but were engaging in more screen time than recommended. Consequently, only a small proportion of toddlers met the overall guidelines. Based on the findings of this study, identifying modifiable correlates of screen time to inform appropriate strategies to reduce screen time appears key for increasing the proportion of toddlers meeting the 24-Hour Movement Guidelines for the Early Years. Future research should examine the associations between meeting the new guidelines and other health indicators. Furthermore, future high-quality studies examining dose-response relationships between movement behaviours and health indicators are needed to inform guideline updates. PMID- 29219097 TI - Analysis of the impact of healthcare support initiatives for physically disabled people on their access to care in the city of Saint-Louis, Senegal. AB - BACKGROUND: People with disabilities represent approximately 6% of the Senegalese population. They face significant barriers to accessing health care. Although several initiatives have been implemented to improve access to health care for this vulnerable population, few studies have examined the effects of these initiatives. We conducted a mixed methods study in three neighborhoods in Saint Louis City (Senegal) to assess the impact of health systems and social assistance programs aimed at improving access to health care for people with disabilities. METHODS: Data were collected from 105 people living with disabilities aged 1-49 years (or their caregivers). Interviews were also conducted with key stakeholders in the health and welfare sectors. Global Positioning System (GPS) coordinates of all the health and social services within the city were obtained. We also conducted observations in the main regional hospital, the district health center and three level-one health facilities to assess physical accessibility as well as interactions between patients living with disabilities and health and social workers. Descriptive and multivariate analyses were performed using Sphinx software. Spatial data were used to make cartographic representations of the proximity to basic social services using Arc GIS software. RESULTS: Seventy-nine percent of survey respondents reported difficulty obtaining treatment. Key barriers to care included the high cost of care, as well as ill-treatment by health workers. Limited human resources and low levels of financial support, combined with logistical challenges were reported to hamper the success of social welfare initiatives that aim to facilitate access to health care for people with disabilities. CONCLUSION: Our results suggest that initiatives to increase access to health care among people with disability in Saint-Louis have had limited impact. Study findings underscore the importance of strengthening social assistance schemes within the health system and the need for social workers and health workers to collaborate to improve access to health care for people with disabilities. PMID- 29219098 TI - Analyzing implementation dynamics using theory-driven evaluation principles: lessons learnt from a South African centralized chronic dispensing model. AB - BACKGROUND: Centralized dispensing of essential medicines is one of South Africa's strategies to address the shortage of pharmacists, reduce patients' waiting times and reduce over-crowding at public sector healthcare facilities. This article reports findings of an evaluation of the Chronic Dispensing Unit (CDU) in one province. The objectives of this process evaluation were to: (1) compare what was planned versus the actual implementation and (2) establish the causal elements and contextual factors influencing implementation. METHODS: This qualitative study employed key informant interviews with the intervention's implementers (clinicians, managers and the service provider) [N = 40], and a review of policy and program documents. Data were thematically analyzed by identifying the main influences shaping the implementation process. Theory-driven evaluation principles were applied as a theoretical framework to explain implementation dynamics. RESULTS: The overall participants' response about the CDU was positive and the majority of informants concurred that the establishment of the CDU to dispense large volumes of medicines is a beneficial strategy to address healthcare barriers because mechanical functions are automated and distribution of medicines much quicker. However, implementation was influenced by the context and discrepancies between planned activities and actual implementation were noted. Procurement inefficiencies at central level caused medicine stock-outs and affected CDU activities. At the frontline, actors were aware of the CDU's implementation guidelines regarding patient selection, prescription validity and management of non-collected medicines but these were adapted to accommodate practical realities and to meet performance targets attached to the intervention. Implementation success was a result of a combination of 'hardware' (e.g. training, policies, implementation support and appropriate infrastructure) and 'software' (e.g. ownership, cooperation between healthcare practitioners and trust) factors. CONCLUSION: This study shows that health system interventions have unpredictable paths of implementation. Discrepancies between planned and actual implementation reinforce findings in existing literature suggesting that while tools and defined operating procedures are necessary for any intervention, their successful application depends crucially on the context and environment in which implementation occurs. We anticipate that this evaluation will stimulate wider thinking about the implementation of similar models in low- and middle-income countries. PMID- 29219099 TI - Scoping the proximal and distal dimensions of climate change on health and wellbeing. AB - The impacts of climate on health and wellbeing occur in time and space and through a range of indirect, complicated mechanisms. This diversity of pathways has major implications for national public health planning and influence on interventions that might help to mitigate and adapt to rapidly changing environmental conditions, nationally and internationally. This paper draws upon evidence from public health and adverse impact studies across climate science, hydrology, agriculture, public health, and the social sciences. It presents a conceptual model to support decision-making by recognizing both the proximal and distal pathways from climate-induced environmental change to national health and wellbeing. The proximal and distal pathways associated with food security, migration and mobility illustrate the diverse climate change influences in different geographic locations over different timescales. We argue that greater realization and articulation of proximal and distal pathways should radically alter how climate change is addressed as a national and international public health challenge. PMID- 29219100 TI - Food-borne disease and climate change in the United Kingdom. AB - This review examined the likely impact of climate change upon food-borne disease in the UK using Campylobacter and Salmonella as example organisms. Campylobacter is an important food-borne disease and an increasing public health threat. There is a reasonable evidence base that the environment and weather play a role in its transmission to humans. However, uncertainty as to the precise mechanisms through which weather affects disease, make it difficult to assess the likely impact of climate change. There are strong positive associations between Salmonella cases and ambient temperature, and a clear understanding of the mechanisms behind this. However, because the incidence of Salmonella disease is declining in the UK, any climate change increases are likely to be small. For both Salmonella and Campylobacter the disease incidence is greatest in older adults and young children. There are many pathways through which climate change may affect food but only a few of these have been rigorously examined. This provides a high degree of uncertainty as to what the impacts of climate change will be. Food is highly controlled at the National and EU level. This provides the UK with resilience to climate change as well as potential to adapt to its consequences but it is unknown whether these are sufficient in the context of a changing climate. PMID- 29219101 TI - Health effects of milder winters: a review of evidence from the United Kingdom. AB - Cold-related mortality and morbidity remains an important public health problem in the UK and elsewhere. Health burdens have often reported to be higher in the UK compared to other countries with colder climates, however such assessments are usually based on comparison of excess winter mortality indices, which are subject to biases. Daily time-series regression or case-crossover studies provide the best evidence of the acute effects of cold exposure. Such studies report a 6% increase in all-cause deaths in England & Wales for every 1 degrees C fall in daily mean temperature within the top 5% of the coldest days. In major Scottish cities, a 1 degrees C reduction in mean temperature below 11 degrees C was associated with an increase in mortality of 2.9%, 3.4%, 4.8% and 1.7% from all causes, cardiovascular, respiratory, and non-cardio-respiratory causes respectively. In Northern Ireland, a 1 degrees C fall during winter months led to increases of 4.5%, 3.9% and 11.2% for all-cause, cardiovascular and respiratory deaths respectively among adults. Raised risks are also observed with morbidity outcomes. Hip fractures among the elderly are only weakly associated with snow and ice conditions in the UK, with the majority of cases occurring indoors. A person's susceptibility to cold weather is affected by both individual and contextual-level risk factors. Variations in the distributions of health, demographic, socio-economic and built-environment characteristics are likely to explain most differences in cold risk observed between UK regions. Although cold related health impacts reduced throughout much of the previous century in UK populations, there is little evidence on the contribution that milder winters due to climate change may have made to reductions in more recent decades. Intervention measures designed to minimise cold exposure and reduce fuel poverty will likely play a key role in determining current and future health burdens associated with cold weather. PMID- 29219102 TI - Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years): An Integration of Physical Activity, Sedentary Behaviour, and Sleep. AB - BACKGROUND: The Canadian Society for Exercise Physiology convened representatives of national organizations, research experts, methodologists, stakeholders, and end-users who followed rigorous and transparent guideline development procedures to create the Canadian 24-Hour Movement Guidelines for the Early Years (0-4 years): An Integration of Physical Activity, Sedentary Behaviour, and Sleep. These novel guidelines for children of the early years embrace the natural and intuitive integration of movement behaviours across the whole day (24-h period). METHODS: The development process was guided by the Appraisal of Guidelines for Research and Evaluation (AGREE) II instrument. Four systematic reviews (physical activity, sedentary behaviour, sleep, combined behaviours) examining the relationships within and among movement behaviours and several health indicators were completed and interpreted by a Guideline Development Panel. The systematic reviews that were conducted to inform the development of the guidelines, and the framework that was applied to develop the recommendations, followed the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology. Complementary compositional analyses were performed using data from the Canadian Health Measures Survey to examine the relationships between movement behaviours and indicators of adiposity. A review of the evidence on the cost effectiveness and resource use associated with the implementation of the proposed guidelines was also undertaken. A stakeholder survey (n = 546), 10 key informant interviews, and 14 focus groups (n = 92 participants) were completed to gather feedback on draft guidelines and their dissemination. RESULTS: The guidelines provide evidence-informed recommendations as to the combinations of light-, moderate- and vigorous-intensity physical activity, sedentary behaviours, and sleep that infants (<1 year), toddlers (1-2 years) and preschoolers (3-4 years) should achieve for a healthy day (24 h). Proactive dissemination, promotion, implementation, and evaluation plans were prepared to optimize uptake and activation of the new guidelines. CONCLUSIONS: These guidelines represent a sensible evolution of public health guidelines whereby optimal health is framed within the balance of movement behaviours across the whole day, while respecting preferences of end-users. Future research should consider the integrated relationships among movement behaviours, and similar integrated guidelines for other age groups should be developed. PMID- 29219103 TI - Climate change impacts on human health over Europe through its effect on air quality. AB - This review examines the current literature on the effects of future emissions and climate change on particulate matter (PM) and O3 air quality and on the consequent health impacts, with a focus on Europe. There is considerable literature on the effects of climate change on O3 but fewer studies on the effects of climate change on PM concentrations. Under the latest Intergovernmental Panel on Climate Change (IPCC) 5th assessment report (AR5) Representative Concentration Pathways (RCPs), background O3 entering Europe is expected to decrease under most scenarios due to higher water vapour concentrations in a warmer climate. However, under the extreme pathway RCP8.5 higher (more than double) methane (CH4) abundances lead to increases in background O3 that offset the O3 decrease due to climate change especially for the 2100 period. Regionally, in polluted areas with high levels of nitrogen oxides (NOx), elevated surface temperatures and humidities yield increases in surface O3 - termed the O3 climate penalty - especially in southern Europe. The O3 response is larger for metrics that represent the higher end of the O3 distribution, such as daily maximum O3. Future changes in PM concentrations due to climate change are much less certain, although several recent studies also suggest a PM climate penalty due to high temperatures and humidity and reduced precipitation in northern mid-latitude land regions in 2100.A larger number of studies have examined both future climate and emissions changes under the RCP scenarios. Under these pathways the impact of emission changes on air quality out to the 2050s will be larger than that due to climate change, because of large reductions in emissions of O3 and PM pollutant precursor emissions and the more limited climate change response itself. Climate change will also affect climate extreme events such as heatwaves. Air pollution episodes are associated with stagnation events and sometimes heat waves. Air quality during the 2003 heatwave over Europe has been examined in numerous studies and mechanisms for enhancing O3 have been identified.There are few studies on health effects associated with climate change impacts alone on air quality, but these report higher O3-related health burdens in polluted populated regions and greater PM2.5 health burdens in these emission regions. Studies that examine the combined impacts of climate change and anthropogenic emissions change under the RCP scenarios report reductions in global and European premature O3-respiratory related and PM mortalities arising from the large decreases in precursor emissions. Under RCP 8.5 the large increase in CH4 leads to global and European excess O3-respiratory related mortalities in 2100. For future health effects, besides uncertainty in future O3 and particularly PM concentrations, there is also uncertainty in risk estimates such as effect modification by temperature on pollutant-response relationships and potential future adaptation that would alter exposure risk. PMID- 29219104 TI - Adherence to 24-Hour Movement Guidelines for the Early Years and associations with social-cognitive development among Australian preschool children. AB - BACKGROUND: The new Australian 24-Hour Movement Guidelines for the Early Years recommend that, for preschoolers, a healthy 24-h includes: i) >=180 min of physical activity, including >=60 min of energetic play, ii) <=1 h of sedentary screen time, and iii) 10-13 h of good quality sleep. Using an Australian sample, this study reports the proportion of preschool children meeting these guidelines and investigates associations with social-cognitive development. METHODS: Data from 248 preschool children (mean age = 4.2 +/- 0.6 years, 57% boys) participating in the PATH-ABC study were analyzed. Children completed direct assessments of physical activity (accelerometry) and social cognition (the Test of Emotional Comprehension (TEC) and Theory of Mind (ToM)). Parents reported on children's screen time and sleep. Children were categorised as meeting/not meeting: i) individual guidelines, ii) combinations of two guidelines, or iii) all three guidelines. Associations were examined using linear regression adjusting for child age, sex, vocabulary, area level socio-economic status and childcare level clustering. RESULTS: High proportions of children met the physical activity (93.1%) and sleep (88.7%) guidelines, whereas fewer met the screen time guideline (17.3%). Overall, 14.9% of children met all three guidelines. Children meeting the sleep guideline performed better on TEC than those who did not (mean difference [MD] = 1.41; 95% confidence interval (CI) = 0.36, 2.47). Children meeting the sleep and physical activity or sleep and screen time guidelines also performed better on TEC (MD = 1.36; 95% CI = 0.31, 2.41) and ToM (MD = 0.25; 95% CI = -0.002, 0.50; p = 0.05), respectively, than those who did not. Meeting all three guidelines was associated with better ToM performance (MD = 0.28; 95% CI = -0.002, 0.48, p = 0.05), while meeting a larger number of guidelines was associated with better TEC (3 or 2 vs. 1/none, p < 0.02) and ToM performance (3 vs. 2, p = 0.03). CONCLUSIONS: Strategies to promote adherence to the 24-Hour Movement Behaviour Guidelines for the Early Years among preschool children are warranted. Supporting preschool children to meet all guidelines or more guidelines, particularly the sleep and screen time guidelines, may be beneficial for their social-cognitive development. PMID- 29219106 TI - Notification that new names of prokaryotes, new combinations and new taxonomic opinions have appeared in volume 67, part 9, of the IJSEM. PMID- 29219105 TI - Impact of extreme weather events and climate change for health and social care systems. AB - This review, commissioned by the Research Councils UK Living With Environmental Change (LWEC) programme, concerns research on the impacts on health and social care systems in the United Kingdom of extreme weather events, under conditions of climate change. Extreme weather events considered include heatwaves, coldwaves and flooding. Using a structured review method, we consider evidence regarding the currently observed and anticipated future impacts of extreme weather on health and social care systems and the potential of preparedness and adaptation measures that may enhance resilience. We highlight a number of general conclusions which are likely to be of international relevance, although the review focussed on the situation in the UK. Extreme weather events impact the operation of health services through the effects on built, social and institutional infrastructures which support health and health care, and also because of changes in service demand as extreme weather impacts on human health. Strategic planning for extreme weather and impacts on the care system should be sensitive to within country variations. Adaptation will require changes to built infrastructure systems (including transport and utilities as well as individual care facilities) and also to institutional and social infrastructure supporting the health care system. Care sector organisations, communities and individuals need to adapt their practices to improve resilience of health and health care to extreme weather. Preparedness and emergency response strategies call for action extending beyond the emergency response services, to include health and social care providers more generally. PMID- 29219107 TI - Molecular Methods for Detection of Antimicrobial Resistance. AB - The increase in bacteria harboring antimicrobial resistance (AMR) is a global problem because there is a paucity of antibiotics available to treat multidrug resistant bacterial infections in humans and animals. Detection of AMR present in bacteria that may pose a threat to veterinary and public health is routinely performed using standardized phenotypic methods. Molecular methods are often used in addition to phenotypic methods but are set to replace them in many laboratories due to the greater speed and accuracy they provide in detecting the underlying genetic mechanism(s) for AMR. In this article we describe some of the common molecular methods currently used for detection of AMR genes. These include PCR, DNA microarray, whole-genome sequencing and metagenomics, and matrix assisted laser desorption ionization-time of flight mass spectrometry. The strengths and weaknesses of these methods are discussed, especially in the context of implementing them for routine surveillance activities on a global scale for mitigating the risk posed by AMR worldwide. Based on current popularity and ease of use, PCR and single-isolate whole-genome sequencing seem irreplaceable. PMID- 29219108 TI - Origin, History, and Meanings of the Word Transmission. AB - The origin of the words transmit and transmission and their derivatives can be traced to the Latin transmittere, in turn formed by prefixing the preposition trans ("across or beyond") to the verb mittere ("to let go or to send"). From the times of Ancient Rome in the 3rd century b.c.e., the Latin word transmissio has been "transmitted" (through Romance languages such as French, Italian, Spanish, and Portuguese) to all the major languages of culture, English among them. And through English, the international language of biomedical science in the 21st century, the term transmission is increasingly present today in some of the most dynamic disciplines of modern natural science, including genomics, molecular microbiology, hospital epidemiology, molecular genetics, biotechnology, evolutionary biology, and systems biology. PMID- 29219109 TI - Antimicrobial Resistance in Corynebacterium spp., Arcanobacterium spp., and Trueperella pyogenes. AB - There is currently only limited information on the antimicrobial susceptibility and resistance of Corynebacterium spp., Arcanobacterium spp., and Trueperella pyogenes from animals. The comparability of the data is hampered by the use of different antimicrobial susceptibility testing methods and interpretive criteria. To date, standard broth microdilution methods and clinical breakpoints that are approved by the Clinical and Laboratory Standards Institute and are applicable to Corynebacterium spp., Arcanobacterium spp., and T. pyogenes are available. The lack of species-specific clinical breakpoints for the different animal species reduces the explanatory power of the data. Among the isolates of the three genera, elevated MICs for different classes of antimicrobial agents (e.g., beta lactams, macrolides, lincosamides, tetracyclines, aminoglycosides, phenicols, sulfonamides/diaminopyrimidines, and fluoroquinolones) have been described. The most comprehensive data set is available for T. pyogenes, which also includes information about genes and mutations involved in antimicrobial resistance. In T. pyogenes isolates, the macrolide-lincosamide-streptogramin B resistance genes erm(B) and erm(X) were identified. Tetracycline resistance in T. pyogenes was based on the resistance genes tet(W), tet(Z), and tet(33), whereas the aminoglycoside resistance genes aacC, aadA1, aadA2, aadA5, aadA24, and aadB have been described in T. pyogenes. So far, only single genes conferring either phenicol resistance (cmlA6), trimethoprim resistance (dfrB2a), or beta-lactam resistance (blaP1) are known to occur in T. pyogenes isolates. Various 23S rRNA mutations, including A2058T, A2058G, and G2137C, were identified in macrolide/lincosamide-resistant T. pyogenes. PMID- 29219110 TI - Molecular identification of Trichinella species by multiplex PCR: new insight for Trichinella murrelli. AB - In order to identify Trichinella at the species level, the commonly used test is a multiplex PCR, allowing the discrimination of nine out of the twelve taxa described so far. This test is based on five primer pairs amplifying fragments of the large subunit rDNA. Each taxon produces one or two bands of different sizes, resulting in a specific band pattern. By multiplex PCR, Trichinella murrelli shows two bands of 127 bp and 316 bp. However, a third band of 256 bp can occur. This band can lead to misidentification, since it is similar to the 253 bp band displayed by Trichinella britovi. BLAST analysis confirmed that the 256 bp band is from T. murrelli. The aim of this short note is to inform analysts that T. murrelli larvae may display either two- or three-band patterns. PMID- 29219111 TI - Uterine Mass and Menorrhagia: A Rare Presentation of Acute Myeloid Leukemia with Arduous Clinical Course PMID- 29219112 TI - Haploinsufficiency of the DMRT Gene Cluster in a Case with 46,XY Ovotesticular Disorder of Sexual Development AB - Background: Ovotesticular disorder is characterized by the presence of testicular and ovarian tissues in the same individual. Single gene mutations in SRY, SOX9, DMRT1 and DAX1 can lead to ovotesticular disorder of sexual development. Case Report: Herein, we report a 3-month-old phenotypically female baby in whom differentiated tissues of both Mullerian and Wolffian ducts were detected on pathological analysis of laparoscopic biopsy material. Chromosomal analysis observed 46,XY, der(9)t(3;9)(p25;p24) with deletion of 9p24.3p23 including the DMRT gene cluster and duplication of 3p26.3p24.3 on array comparative genomic hybridisation. Conclusion: In support of previous literature, we found that haploinsufficiency of the DMRT gene cluster leads to ovotesticular disorder of sexual development. In addition, we emphasize that array comparative genomic hybridisation is an important technique in the molecular diagnosis of ovotesticular disorder of sexual. PMID- 29219113 TI - MicroRNA Expression Profile in the Prenatal Amniotic Fluid Samples of Pregnant Women with Down Syndrome. AB - BACKGROUND: Down syndrome, which is the most common human chromosomal anomaly that can affect people of any race and age, can be diagnosed prenatally in most cases. Prenatal diagnosis via culture method is time-consuming; thus, genetic analysis has thus been introduced and is continually being developed for rapid prenatal diagnosis. For this reason, the effective use of microRNA profiling for the rapid analysis of prenatal amniotic fluid samples for the diagnosis of Down syndrome was investigated. AIMS: To evaluate the expression levels of 14 microRNAs encoded by chromosome 21 in amniotic fluid samples and their utility for prenatal diagnosis of Down syndrome. STUDY DESIGN: Case-control study. METHODS: We performed invasive prenatal testing for 56 pregnant women; 23 carried fetuses with Down syndrome, and 33 carried fetuses with a normal karyotype. Advanced maternal age and increased risk for Down syndrome in the screening tests were indications for invasive prenatal testing. The age of gestation in the study and control groups ranged between 17 and 18 weeks. The expression levels of microRNA were measured by real-time polymerase chain reaction. RESULTS: The expression levels of microRNA-125b-2, microRNA-155, and microRNA-3156 were significantly higher in the study group than in the control group. CONCLUSION: The presence of significantly dysregulated microRNAs may be associated with either the phenotype or the result of abnormal development. Further large-scale comparative studies conducted in a variety of conditions may bring novel insights in the field of abnormal prenatal conditions. PMID- 29219115 TI - Thermal annealing and pressure effects on BaFe2-x Co x As2 single crystals. AB - We investigate the pressure and thermal annealing effects on BaFe2-x Co x As2 (Co Ba122) single crystals with x = 0.1 and 0.17 via electrical transport measurements. The thermal annealing treatment not only enhances the superconducting transition temperature (T c) from 9.6 to 12.7 K for x = 0.1 and from 18.1 to 21.0 K for x = 0.17, but also increases the antiferromagnetic transition temperature (T N). Simultaneous enhancement of T c and T N by the thermal annealing treatment indicates that thermal annealing could substantially improve the quality of the Co-doped Ba122 samples. Interestingly, T c of the Co Ba122 compounds shows a scaling behavior with a linear dependence on the resistivity value at 290 K, irrespective of tuning parameters such as chemical doping, pressure, and thermal annealing. These results not only provide an effective way to access the intrinsic properties of the BaFe2As2 system, but may also shed a light on designing new materials with higher superconducting transition temperature. PMID- 29219116 TI - Introducing a model of pairing based on base pair specific interactions between identical DNA sequences. AB - At present, there have been suggested two types of physical mechanism that may facilitate preferential pairing between DNA molecules, with identical or similar base pair texts, without separation of base pairs. One mechanism solely relies on base pair specific patterns of helix distortion being the same on the two molecules, discussed extensively in the past. The other mechanism proposes that there are preferential interactions between base pairs of the same composition. We introduce a model, built on this second mechanism, where both thermal stretching and twisting fluctuations are included, as well as the base pair specific helix distortions. Firstly, we consider an approximation for weak pairing interactions, or short molecules. This yields a dependence of the energy on the square root of the molecular length, which could explain recent experimental data. However, analysis suggests that this approximation is no longer valid at large DNA lengths. In a second approximation, for long molecules, we define two adaptation lengths for twisting and stretching, over which the pairing interaction can limit the accumulation of helix disorder. When the pairing interaction is sufficiently strong, both adaptation lengths are finite; however, as we reduce pairing strength, the stretching adaptation length remains finite but the torsional one becomes infinite. This second state persists to arbitrarily weak values of the pairing strength; suggesting that, if the molecules are long enough, the pairing energy scales as length. To probe differences between the two pairing mechanisms, we also construct a model of similar form. However, now, pairing between identical sequences solely relies on the intrinsic helix distortion patterns. Between the two models, we see interesting qualitative differences. We discuss our findings, and suggest new work to distinguish between the two mechanisms. PMID- 29219114 TI - Inhibition of the cluster of differentiation 14 innate immunity pathway with IAXO 101 improves chronic microelectrode performance. AB - OBJECTIVE: Neuroinflammatory mechanisms are hypothesized to contribute to intracortical microelectrode failures. The cluster of differentiation 14 (CD14) molecule is an innate immunity receptor involved in the recognition of pathogens and tissue damage to promote inflammation. The goal of the study was to investigate the effect of CD14 inhibition on intracortical microelectrode recording performance and tissue integration. APPROACH: Mice implanted with intracortical microelectrodes in the motor cortex underwent electrophysiological characterization for 16 weeks, followed by endpoint histology. Three conditions were examined: (1) wildtype control mice, (2) knockout mice lacking CD14, and (3) wildtype control mice administered a small molecule inhibitor to CD14 called IAXO 101. MAIN RESULTS: The CD14 knockout mice exhibited acute but not chronic improvements in intracortical microelectrode performance without significant differences in endpoint histology. Mice receiving IAXO-101 exhibited significant improvements in recording performance over the entire 16 week duration without significant differences in endpoint histology. SIGNIFICANCE: Full removal of CD14 is beneficial at acute time ranges, but limited CD14 signaling is beneficial at chronic time ranges. Innate immunity receptor inhibition strategies have the potential to improve long-term intracortical microelectrode performance. PMID- 29219117 TI - Prediction of radiation necrosis in a rodent model using magnetic resonance imaging apparent transverse relaxation (R2*). AB - BACKGROUND AND PURPOSE: Radiation necrosis remains an irreversible long-term side effect following radiotherapy to the brain. The ability to predict areas that could ultimately develop into necrosis could lead to prevention and management of radiation necrosis. Materials and Methods: Fischer 344 rats were irradiated using two platforms (micro-CT irradiator and x-RAD 225 IGRT) with radiation up to 30 Gy for the micro-CT and 40 Gy for the xRAD-224 to half the brain. Animals were subsequently imaged using a 9.4T MRI scanner every 2-4 weeks for up to 28 weeks using a 7-echo gradient echo sequence. The apparent transverse relaxation constant (R2*) was calculated and retrospectively analyzed. Results: Animals irradiated with the low-dose rate micro-CT did not exhibit and symptoms or imaging changes associated with RN. Animals irradiated with the xRAD-225 exhibited imaging changes consistent with RN at week 24. Analysis of the R2* coefficient within the lesion and hippocampus shows the potential for detection of RN up to 10 weeks prior to morphological changes. Conclusions: The ability to predict areas of RN and increases of R2* within the hippocampus provides a method for long-term monitoring and prediction of RN. PMID- 29219118 TI - Adaptive quantization of local field potentials for wireless implants in freely moving animals: an open-source neural recording device. AB - OBJECTIVE: Modern neuroscience research requires electrophysiological recording of local field potentials (LFPs) in moving animals. Wireless transmission has the advantage of removing the wires between the animal and the recording equipment but is hampered by the large number of data to be sent at a relatively high rate. APPROACH: To reduce transmission bandwidth, we propose an encoder/decoder scheme based on adaptive non-uniform quantization. Our algorithm uses the current transmitted codeword to adapt the quantization intervals to changing statistics in LFP signals. It is thus backward adaptive and does not require the sending of side information. The computational complexity is low and similar at the encoder and decoder sides. These features allow for real-time signal recovery and facilitate hardware implementation with low-cost commercial microcontrollers. MAIN RESULTS: As proof-of-concept, we developed an open-source neural recording device called NeRD. The NeRD prototype digitally transmits eight channels encoded at 10 kHz with 2 bits per sample. It occupies a volume of 2 * 2 * 2 cm3 and weighs 8 g with a small battery allowing for 2 h 40 min of autonomy. The power dissipation is 59.4 mW for a communication range of 8 m and transmission losses below 0.1%. The small weight and low power consumption offer the possibility of mounting the entire device on the head of a rodent without resorting to a separate head-stage and battery backpack. The NeRD prototype is validated in recording LFPs in freely moving rats at 2 bits per sample while maintaining an acceptable signal-to-noise ratio (>30 dB) over a range of noisy channels. SIGNIFICANCE: Adaptive quantization in neural implants allows for lower transmission bandwidths while retaining high signal fidelity and preserving fundamental frequencies in LFPs. PMID- 29219120 TI - Adsorption of H2, O2, H2O, OH and H on monolayer MoS2. AB - Hydrogen and hydrogen-containing gases are commonly used as reductants in chemical vapor deposition (CVD) growth of MoS2. Here, we consider the defects resulting from the presence of hydrogen during growth and the resulting electronically active defects. In particular, we find that the interstitial hydrogen defect is a negative-$U$ center with amphoteric donor and acceptor properties. Additionally, we consider the effects of the interaction with water and oxygen. The defects are analysed using density functional theory calculations. PMID- 29219119 TI - Density overwrites of internal tumor volumes in intensity modulated proton therapy plans for mobile lung tumors. AB - The purpose of this study was to investigate internal tumor volume density overwrite strategies to minimize intensity modulated proton therapy (IMPT) plan degradation of mobile lung tumors. Four planning paradigms were compared for nine lung cancer patients. Internal gross tumor volume (IGTV) and internal clinical target volume (ICTV) structures were defined encompassing their respective volumes in every 4DCT phase. The paradigms use different planning CT (pCT) created from the average intensity projection (AIP) of the 4DCT, overwriting the density within the IGTV to account for movement. The density overwrites were: (a) constant filling with 100 HU (C100) or (b) 50 HU (C50), (c) maximum intensity projection (MIP) across phases, and (d) water equivalent path length (WEPL) consideration from beam's-eye-view. Plans were created optimizing dose-influence matrices calculated with fast GPU Monte Carlo (MC) simulations in each pCT. Plans were evaluated with MC on the 4DCTs using a model of the beam delivery time structure. Dose accumulation was performed using deformable image registration. Interplay effect was addressed applying 10 times rescanning. Significantly less DVH metrics degradation occurred when using MIP and WEPL approaches. Target coverage ([Formula: see text] Gy(RBE)) was fulfilled in most cases with MIP and WEPL ([Formula: see text] Gy (RBE)), keeping dose heterogeneity low ([Formula: see text] Gy(RBE)). The mean lung dose was kept lowest by the WEPL strategy, as well as the maximum dose to organs at risk (OARs). The impact on dose levels in the heart, spinal cord and esophagus were patient specific. Overall, the WEPL strategy gives the best performance and should be preferred when using a 3D static geometry for lung cancer IMPT treatment planning. Newly available fast MC methods make it possible to handle long simulations based on 4D data sets to perform studies with high accuracy and efficiency, even prior to individual treatment planning. PMID- 29219121 TI - Magnetic and structural changes in LaCo0.9Mn0.1O3 at high pressure. AB - The structural and magnetic properties of LaCo0.9Mn0.1O3 have been studied as a function of pressure by neutron powder diffraction and DC magnetometry. The material is confirmed to exhibit rhombohedral R- 3c symmetry between ambient pressure and 6 GPa. We have determined the bulk modulus B0 of the sample using a second-order Birch-Murnaghan equation of state which yielded: B0= 140(9) GPa and V0 = 112.7(2)A3. We report a non-linear increase of the Curie temperature Tc from an ambient pressure value of 224.7K to ~236 K at a pressure of 4 GPa. Finally, we confirm the glassy-like nature of the magnetism in LaCo0.9Mn0.1O3, which is maintained throughout the pressure range explored. PMID- 29219122 TI - Towards the use of breath for detecting mycobacterial infection: a case study in a murine model. AB - In the present research, the potential of breath analysis by comprehensive two dimensional gas chromatography coupled to mass spectrometry (GC*GC-MS) was investigated for the discrimination between healthy and infected mice. A pilot study employing a total of 16 animals was used to develop a method for breath analysis in a murine model for studying Mycobacterium tuberculosis complex (MTBC) using the M. bovis bacillus Calmette-Guerin. Breath was collected in Tedlar bags and concentrated onto thermal desorption tubes for subsequent analysis by GC*GC MS. Immunological test and bacterial cell count in bronchoalveolar lavage fluid and mice lung homogenate confirmed the presence of bacteria in the infected group. From the GC*GC-MS analysis, 23 molecules were found to mainly drive the separation between control and infected mice and their tentative identification is provided.This study shows that the overall used methodology is able to differentiate breath between healthy and infected animals, and the information herein can be used to further develop the mouse breath model to study MTBC pathogenesis, evaluate pre-clinical drug regimen efficacy, and to further develop the concept of breath-based diagnostics. PMID- 29219123 TI - Chronic cuffing of cervical vagus nerve inhibits efferent fiber integrity in rat model. AB - OBJECTIVE: Numerous studies of vagal nerve stimulation (VNS) have been published showing it to be a potential treatment for chronic inflammation and other related diseases and disorders. Studies in recent years have shown that electrical stimulation of the vagal efferent fibers can artificially modulate cytokine levels and reduce systematic inflammation. Most VNS research in the treatment of inflammation have been acute studies on rodent subjects. Our study tested VNS on freely moving animals by stimulating and recording from the cervical vagus with nerve cuff electrodes over an extended period of time. APPROACH: We used methods of electrical stimulation, retrograde tracing (using Fluorogold) and post necropsy histological analysis of nerve tissue, flow cytometry to measure plasma cytokine levels, and MRI scanning of gastric emptying. This novel combination of methods allowed examination of physiological aspects of VNS previously unexplored. MAIN RESULTS: Through our study of 53 rat subjects, we found that chronically cuffing the left cervical vagus nerve suppressed efferent Fluorogold transport in 43 of 44 animals (36 showed complete suppression). Measured cytokine levels and gastric emptying rates concurrently showed nominal differences between chronically cuffed rats and those tested with similar acute methods. Meanwhile, results of electrophysiological and histological tests of the cuffed nerves revealed them to be otherwise healthy, consistent with previous literature. SIGNIFICANCE: We hypothesize that due to these unforeseen and unexplored physiological consequences of the chronically cuffed vagus nerve in a rat, that inflammatory modulation and other vagal effects by VNS may become unreliable in chronic studies. Given our findings, we submit that it would benefit the VNS community to re-examine methods used in previous literature to verify the efficacy of the rat model for chronic VNS studies. PMID- 29219124 TI - 3D-printed adaptive acoustic lens as a disruptive technology for transcranial ultrasound therapy using single-element transducers. AB - The development of multi-element arrays for better control of the shape of ultrasonic beams has opened the way for focusing through highly aberrating media, such as the human skull. As a result, the use of brain therapy with transcranial focused ultrasound has rapidly grown. Although effective, such technology is expensive. We propose a disruptive, low-cost approach that consists of focusing a 1 MHz ultrasound beam through a human skull with a single-element transducer coupled with a tailored silicone acoustic lens cast in a 3D-printed mold and designed using computed tomography-based numerical acoustic simulation. We demonstrate on N = 3 human skulls that adding lens-based aberration correction to a single-element transducer increases the deposited energy on the target 10 fold. PMID- 29219125 TI - Maternal mortality: An equity issue. PMID- 29219126 TI - Impact of nutritious meals on the nutritional status of the tribal students: A comparison between centralized kitchens (Annapurna) and regular kitchens in government tribal residential schools from two Districts of Maharashtra, India. AB - BACKGROUND: Tackling undernutrition is a global priority. It is the single largest risk factor influencing the burden of disease estimates at the global level. The Annapurna Project was undertaken by Government of Maharashtra to provide nutritious meals to Ashram/residential tribal school students through a centralized kitchen for achieving optimal growth and development and to prevent morbidity. OBJECTIVES: The primary objective of our work was to ascertain whether the provision of nutritious meals through centralized kitchens improves the proportion of underweight and stunted children. METHODS: We used a cluster trial with parallel intervention and control arms. The allocation ratio was 1:1 for participants in the intervention and control areas. The pilot was undertaken between 2015 and 2017. Tribal dominant Nashik and Palghar districts in Maharashtra were selected by the state government to implement the centralized kitchen plan. RESULTS: At the baseline, the percentage of underweight children in the intervention group was 36.9% and 31.9% in the control groups. The percentage of stunting in the intervention group was 30.0% and 38.2% in the control group. At the endline, 21.9% and 26.3% of the children were underweight. Both groups showed an improvement as compared to the baseline. However, the difference in reduction between the intervention and the control group was insignificant. Similarly, stunting also reduced to 12.9% and 14.6% in the intervention and control groups, respectively. CONCLUSION: The provision of regular nutritious meals, through centralized and local kitchen in government tribal residential schools of Maharashtra is effective and important in tackling undernutrition in Tribal children. PMID- 29219127 TI - Dengue fever in a municipality of West Bengal, India, 2015: An outbreak investigation. AB - BACKGROUND: In November 2015, death due to fever and increased number of fever cases were reported from Baranagar Municipality of North 24 Parganas district of West Bengal. OBJECTIVES: The episode was investigated with the objective to (1) confirm the existence of an outbreak, (2) describe it in terms of time, place, and person, (3) determine the cause of outbreak, and (4) recommend control measures. METHODS: Monthly incidence of dengue from 2012 to 2014 was calculated and compared with 2015 to confirm the outbreak. We used Integrated Disease Surveillance Programme definition and searched for suspect dengue cases going door-to-door in ward number one of Baranagar Municipality. Active case search was done in health facilities also. Information on date of onset, symptoms, sociodemographic, serological reports, and clinical outcome for suspected and confirmed dengue cases was collected. Blood specimens were collected for NS1 ELISA/monoclonal IgM antibody capture-ELISA test. Environmental and entomological surveys were done. RESULTS: Six hundred and seventy-one dengue cases (Overall attack rate = 3/1000), two deaths (Case fatality = 3/1000) were reported during September 14, 2015, till December 12, 2015. Out of 34 wards, attack rate was highest in ward number 1 (0.7%) and was 3 per 1000 among females. All age groups were affected. Thirty-two percent required hospitalization. NS1 ELISA was positive for 612 cases. Out of interviewed 31 dengue cases, 94% had headache, 90% had myalgia, followed by arthralgia, rash, and retro-orbital pain. Only in ward number 1, house index was >5%. CONCLUSION: We confirmed dengue outbreak. All age groups got affected. Deaths occurred in this outbreak. Potential breeding sources were present in ward number 1. PMID- 29219128 TI - Economic burden of managing Type 2 diabetes mellitus: Analysis from a Teaching Hospital in Malaysia. AB - BACKGROUND: Type 2 diabetes mellitus (T2DM) is a chronic disease that consumes a large amount of health-care resources. It is essential to estimate the cost of managing T2DM to the society, especially in developing countries. Economic studies of T2DM as a primary diagnosis would assist efficient health-care resource allocation for disease management. OBJECTIVE: This study aims to measure the economic burden of T2DM as the primary diagnosis for hospitalization from provider's perspective. METHODS: A retrospective prevalence-based costing study was conducted in a teaching hospital. Financial administrative data and inpatient medical records of patients with primary diagnosis (International Classification Disease-10 coding) E11 in the year 2013 were included in costing analysis. Average cost per episode of care and average cost per outpatient visit were calculated using gross direct costing allocation approach. RESULTS: Total admissions for T2DM as primary diagnosis in 2013 were 217 with total outpatient visits of 3214. Average cost per episode of care was RM 901.51 (US$ 286.20) and the average cost per outpatient visit was RM 641.02 (US$ 203.50) from provider's perspective. The annual economic burden of T2DM for hospitalized patients was RM 195,627.67 (US$ 62,104) and RM 2,061,520.32 (US$ 654,450) for those being treated in the outpatient setting. CONCLUSIONS: Economic burden to provide T2DM care was higher in the outpatient setting due to the higher utilization of the health-care service in this setting. Thus, more focus toward improving T2DM outpatient service could mitigate further increase in health-care cost from this chronic disease. PMID- 29219129 TI - Utilization of safe drinking water and sanitary facilities in slum households of Siliguri, West Bengal. AB - BACKGROUND: With the rapid expansion of urban population, provision of safe water and basic sanitation is becoming a challenge; especially in slums. This is adversely affecting the health of the people living in such areas. OBJECTIVES: The study was conducted to measure the proportion of households using improved drinking water and sanitation facilities and to determine the association between diarrhea in under-five children with water and sanitation facilities. METHODS: A community-based, cross-sectional study was conducted among 796 slum households in Siliguri from January to March 2016 by interviewing one member from each household using a predesigned and pretested questionnaire based on the WHO/UNICEF Joint Monitoring Program Core questions on drinking water and sanitation for household surveys. RESULTS: A majority 733 (92.1%) of slum households used an improved drinking water source; 565 (71%) used public tap. About two-thirds (65.7%) household used improved sanitation facilities. About 15.8% households had reported diarrheal events in children in the previous month. Unimproved drinking water sources (AOR = 4.13; 1.91, 8.96), houses without piped water supply (AOR = 4.43; 1.31, 15.00), and latrines located outside houses (AOR = 3.61; 1.44, 9.07) were significantly associated with the diarrheal events in children. CONCLUSION: The utilization of improved drinking water source was high but piped water connection and improved sanitary toilet used was low. Association between diarrheal events and type of drinking water sources and place of sanitation might suggest fecal contamination of water sources. Awareness generation through family centered educational programs could improve the situation. PMID- 29219130 TI - Effects of health education tool on select epidemiological factors associated with adult obese urban slum women. AB - BACKGROUND: National Family Health Survey-3 (2005-2006) India, found that 14.8% of Ever-Married Adults (age 15-49 years) had Body Mass Index (BMI) in the ranges of overweight and obese; compared to 10.6% in the National Family Health Survey 2. These figures highlighted the fact that India already faces a dual burden of chronic malnutrition, i.e., obesity, besides undernutrition. Higher BMI, especially, increased abdominal fat is an important determinant of the development of diabetes. OBJECTIVE: This study aims to understand the effect of health education on obesity status of adult women above the age of 20 years in an urban slum area. METHODS: Community-based, interventional study, to assess select epidemiological factors associated with obesity-including measurement of anthropometry and assessing random blood sugar level; followed by an intervention (health education to only obese women by means of flip-chart); followed by a follow-up 6 months later. RESULTS: About 22.6% women were found to be obese. Almost, all dietary and physical activity parameters as well as weight improved for the better after the intervention, and the change was statistically significant. CONCLUSIONS: This community based interventional study was able to understand certain factors associated with pathophysiology of obesity in slum dwelling adult women, and effectively documented a reduction in weight along with a change in their obesogenic practices postintervention. PMID- 29219131 TI - Status of early childhood education under integrated child development services scheme in Bankura Municipality, West Bengal. AB - BACKGROUND: Early childhood education (ECE) is an important service provided by Integrated Child Development Services (ICDS). It is largely responsible for developing school readiness in children. OBJECTIVE: The objective of this study is to assess ECE component of ICDS services through measurement of school readiness and find out other correlates. METHODS: A cross-sectional evaluation study was carried out among Anganwadi centers (AWCs) under Bankura Municipality, West Bengal, India from July to November 2015. AWCs were selected by 30 cluster sampling. From each selected center Anganwadi worker (AWW), 7 randomly selected children of 5 years of age and their caregivers were included in the study. Data were collected by assessment of children, interview of AWWs and caregivers of children, observation of ECE activity and record review using ECE Program Evaluation Package developed by World Bank and predesigned schedule. Mean, standard deviation, proportions were estimated for description and correlation, unpaired t-test, analysis of one-way variance, multivariable linear regression were performed to find out correlates of school readiness using SPSS 22.0 version. RESULTS: Average duration of ECE activity was 66.0 min/day which was far less than the norm. Overall average score of school readiness of 210 children was 14.0 out of 40. Inadequate physical facility, poor classroom performance acted as deterrents for school readiness. Help in the study at home was revealed to be a determinant of school readiness. CONCLUSION: For the preparation of formal schooling of children most important needs of the hour are physical facility of AWCs, supportive supervision of AWWs, and creation of congenial environment at home. PMID- 29219132 TI - Assessment of the performance of community-directed treatment with ivermectin strategy for the control and elimination of onchocerciasis in Edo State, Nigeria. AB - BACKGROUND: Community-directed treatment with ivermectin (CDTI) was developed in the mid 1990's as a solution for the control and elimination of onchocerciasis. It requires that ivermectin be administered continuously over a period of at least 14 years with community involvement before elimination can be achieved. OBJECTIVES: The objective of this study is to assess the performance of CDTI strategy for control and elimination of onchocerciasis in endemic Local Government areas of Edo State. METHODS: A descriptive evaluation in a cross sectional, descriptive study design was conducted among 720 community members selected from six communities using multistage sampling technique, 11 Community directed distributors (CDDs), and 17 health workers involved in the implementation of the CDTI strategy in Edo State. Primary data were collected using an interviewer's administered questionnaire while secondary data were obtained from the State Ministry of Health. IBM SPSS version 21 software was used for data analysis. RESULTS: The highest therapeutic coverage (95.5%) was observed in Aden II community while the least therapeutic coverage (56.6%) was observed in Imeke community. Regarding the performance indicators, ivermectin supply, work of CDDs, training, monitoring and supervision, finances by communities had scores >=2.5 and were therefore considered as having satisfactory performance. However, community participation and ownership and health education and mobilization had scores <2.5 and as such considered as having unsatisfactory performance. CONCLUSION: Sustainability of the CDTI program in the study area is likely but not guaranteed as there is need for improvement in areas regarding community mobilization, participation, and ownership. PMID- 29219133 TI - Caregiver burden on wives of substance-dependent husbands and its correlates at a Tertiary Care Centre in Northern India. AB - BACKGROUND: Substance dependence is well recognized as a complex biopsychosocial phenomenon. Complications arising out of it not only impairs life of substance dependent patient but also causes enormous burden on their caregivers. Little attention has been paid to the relationship between caregiver burden and substance use. OBJECTIVES: The study was conducted to assess and compare the quantum of burden on wives of alcohol and heroin-dependent patients and also to determine the correlation between sociodemographic factors and caregiver burden. METHODS: A cross-sectional study was conducted at a tertiary care center of North India to compare burden on wives of alcohol and heroin dependent husbands. Burden was assessed using burden assessment schedule (Sell et al.). Data obtained were analyzed using SPSS software. RESULTS: Wives of both alcohol and heroin dependent patients had moderate-to-high burden of caregiving (Score of 38.1 out of maximum 60), those of heroin dependent patients perceived more burden in the factors of "impact on marital relationship," "appreciation of caregiving," "impact on relation with others," and overall burden as compared to wives of alcohol dependent patients. Significant negative correlation was found between "impact on marital relationship," "appreciation of caregiving," and "impact on relation with others" scores and patients' education status as well as between "appreciation of caregiving" score and wives' age where higher score denotes more burden. CONCLUSION: Significant burden exists on wives of substance-dependent patients; thus management plans must be devised aiming not only patients but also wives so as to reduce burden. PMID- 29219134 TI - Does infant feeding method influence the incidence and pattern of morbidities among human immunodeficiency virus-exposed uninfected nigerian infants? AB - BACKGROUND: Human immunodeficiency virus (HIV)-exposed infants enrolled into the prevention of mother-to-child transmission of HIV program generally receive antiretroviral therapy (ARV), but the feeding methods differ based on several socioeconomic and cultural differences. OBJECTIVE: The objective of the study was to examine the incidence and pattern of morbidities among HIV-exposed uninfected (HEU) Nigerian infants and determine any relationship with infant feeding methods. METHODS: A review of the hospital records of all HEU infants attending the Virology Clinic of Olabisi Onabanjo University Teaching Hospital, Sagamu, Nigeria, between July 2013 and June 2015, was done. The recorded data included biodemographic profile, social parameters, feeding methods, anthropometry, and morbidities. The feeding method groups were statistically compared in relation to the various morbidities. RESULTS: Out of 119 children, 81.5% were exclusively breastfed, whereas 18.5% had exclusive breast milk substitute feeding. About half had various morbidities which included upper airway infections (UAIs) (16.8%), malaria (15.9%), malnutrition (8.4%), diarrhea (8.4%), and pneumonia (2.5%). The frequencies of these conditions were similar among infant groups irrespective of feeding method. The infants with and without morbidities were comparable in terms of the frequency of exclusive breastfeeding (80.3% vs. 82.8%). Low family socioeconomic status (SES) (odds ratio [OR] = 7.7) and ARV use (OR = 0.4) among infants were predictors of morbidities among HEU infants. CONCLUSION: The incidence and pattern of morbidities among HEU infants showed no relation to the mode of feeding. Rather, family SES and the use of antiretroviral drugs were predictors of morbidities among HEU infants. PMID- 29219135 TI - Waiting time of inpatients before elective surgical procedures at a State Government Teaching Hospital in India. AB - BACKGROUND: Abundant published literature exists addressing the issues of outpatient waiting lists before surgery. However, there is no published literature on inpatient waiting time before elective surgical procedures. OBJECTIVES: This study aims to measure the inpatient waiting time, identify the factors that affect the inpatient waiting time, and recommend the ways of reducing the waiting time of inpatients before elective surgical procedures, at a state government teaching hospital in India. METHODS: Descriptive research methods and quality control tools were used for this prospective observational study. Descriptive statistics, Shapiro-Wilk test of normality, Wilcoxon-Mann Whitney Test, and Kruskal-Wallis test were used. Pareto charts were used to highlight the most important modifiable factors among the set of factors causing increased waiting time. We also applied the M/M/c model (Erlang - A model) of queue theory to analyze the traffic intensity and system congestion. RESULTS: The median waiting time of inpatients before elective surgery was 12 days (interquartile range = 11.5 days). The waiting time was influenced significantly (P < 0.05) by the patient's age, physical status, and the financial status. The surgical specialty, blood product booking and procurement, cross-specialty consultation before surgery, and Intensive Care Unit booking were the other important factors. CONCLUSION: Modifiable and nonmodifiable factors affecting the inpatient waiting time of surgical patients were identified. Control measures that can reduce the waiting time of inpatients before elective surgery were identified. PMID- 29219136 TI - Assessment of village health sanitation and nutrition committees of Chandigarh, India. AB - BACKGROUND: Village Health, Sanitation and Nutrition Committees (VHSNCs), one of the key interventions introduced by National Rural Health Mission, are an important mechanism to ensure community participation and ownership for decentralized health planning. OBJECTIVES: To assess the implementation status of VHSNCs and analyze the issues regarding their implementation in the villages of Chandigarh. METHODS: A cross-sectional mix method study was conducted in the year 2015 in all 22 VHSNCs of Chandigarh. The data of VHSNCs' members were obtained using interview schedule and in-depth interview checklist, while record review checklist was used to assess functioning of VHSNCs. A scoring sheet was developed based on sociodemographic profile, public services monitoring, training status, untied funds utilization, and regularity of monthly meetings. The comparison of VHSNC indicators was done between villages under Panchayat and Municipal Corporation (MC). RESULTS: Most VHSNCs' members are trained (except medical officers) and had their joint bank account (95.4%). Maximum fund is utilized for administrative purposes, leaving less for health and nutrition-related activities. Most villages (68.9%) got 25-30 score depicting that implementation status of VHSNCs under these villages is "promising," while one and six villages were "low performing" and "good performing," respectively. Public service monitoring indicator's implementation was better in villages under Panchayat as compared to those under MC. CONCLUSION: The performance of most villages having VHSNCs under Chandigarh was satisfactory. Few areas such as training of medical officers and supportive supervision of VHSNCs needs strengthening for achieving mandate of National Rural Health Mission regarding community ownership and decentralizing health sector. PMID- 29219137 TI - Bridging miles to achieve milestones: Corporate social responsibility for primary health care. AB - Sustainable Developmental Goals aim to provide "Good health for all". The task though immense ,requires equitable and efficient distribution of health resources to the community, reached predominantly by the Primary Health Centres. Strengthening these centres is essential to attain the goal. Adequate health financing is one of the important determinants for utilizing the optimal potential of these centres . Pooling funds from alternate financing strategies as Corporate Social Responsibility (CSR) funds may give impetus and facilitate healthcare affordability to the underserved population. This convergence of vision of corporate funding for "basic health services" may bridge the gap arising out of inadequate funding and facilitate "Good Health for all" in India. PMID- 29219138 TI - Organ donation in India: Scarcity in abundance. AB - In modern era, India witnessed its first successful corneal, kidney and cardiac transplant in the year 1960, 1967 and 1994 though the reverberations for organ donation and transplantation (ODT) existed since time-memorial with roots existing in Hindu mythology along with vivid example of Guru Dadheech and lord Ganesha. No country in the world is able to meets its organ requirement. Government of India promulgated Transplantation of Human Organ and Tissues Act in 1994 and with the view to enlarge its scope and promote organ donation government has brought new amendments as of year 2014 and 2017. In the background of this journey many new developmental milestones have been achieved in the country however organ donation which has assumed public health significance has been consistently lower than expectations. This manuscript highlights the current status of ODT in the country; legislative environment, limitations, challenges, health education activities, and newer initiatives. PMID- 29219139 TI - A point source outbreak of acute gastroenteritis among school students in Kerala, India. AB - An outbreak investigation was initiated following an outbreak of acute gastroenteritis among schoolchildren in Kottarakara. Steps included active search for cases at schools, describing the outbreak in terms of person, place, and time, generating hypothesis based on the findings from descriptive study, environmental observations, and testing the hypothesis using a case-control design. The final line list consisted of 871 children from different schools who attended a Republic Day parade. Having consumed the lemon juice near railway station (odds ratio [OR] 29.14; 95% confidence interval CI 9.06-93.67) during Republic day parade was associated with the outbreak. The time frame of the disease occurrence, laboratory results, and the results of the analytical study indicated the point source of acute gastroenteritis outbreak as the contaminated water used for lemon juice distributed during the parade. The findings warrant effective food and water safety surveillance, especially during mass gatherings. PMID- 29219140 TI - "Near-Miss" Obstetric events and maternal mortality in a Tertiary Care Hospital. AB - Obstetric near-miss or severe acute maternal morbidity is gaining interest internationally as a new indicator of the quality of obstetric care. This is a retrospective study conducted using "The WHO Near-Miss Approach" to provide insight into obstetric emergencies, near-miss cases, and maternal deaths in our hospital. The maternal near-miss ratio was 8.4/1000 live births, maternal near miss to mortality ratio was 5.3:1. Hemorrhage was the leading cause (43.7%) of morbidity in near-miss cases while hypertensive disorders were the leading cause in maternal deaths (66.6%). Among women with potentially life-threatening conditions, severe preeclampsia was the most common complication (50.54%). The near-miss approach helps to evaluate and improve the quality of care provided by health system by identifying the pattern of severe maternal morbidity and mortality, strengths and weakness in the referral system and the clinical interventions available and the ways in which improvements can be made. PMID- 29219141 TI - Biochemical iodine deficiency in selected schools of aligarh. AB - The goiter prevalence reflects the iodine deficiency in past while urinary iodine excretion levels (UIEL) gives the current status of iodine nutrition. The study was conducted to assess the status of biochemical iodine deficiency in school children of 1st-5th standard (6-12 years). A total of 907 students of seven schools were included using probability proportional to size method. About 10% of urine samples from total children were tested for UIEL. Statistical analysis was done using SPSS version 20 (IBM SPSS Statistics for Windows, Version 20.0. Armonk, NY: IBM Corp). UIEL values lower than 100 MUg/L were observed in 23.3% of samples. The proportion of children with UIEL of <20 MUg/L was nil in 6 years. Out of 13 students who were consuming salt with nil iodine content, 46.2% had <20 MUg/L UIEL. The prevalence of iodine deficiency, calculated by the proportion of children having UIEL of <100 MUg/L, was 23.3%. Based on UIEL values, the area would be categorized as having "no biochemical iodine deficiency." PMID- 29219143 TI - The utility of gamification in public health. PMID- 29219142 TI - Inappropriate classification of body mass index of adolescent girls under SABLA scheme. PMID- 29219144 TI - Apical pseudoaneurysm after transapical transcatheter aortic valve implantation. PMID- 29219146 TI - New traffic light on Th17 Avenue. AB - Activation of STAT3-coupled receptors along with TGF-beta signaling are fundamental for Th17 cell differentiation both in vivo and in vitro. A recent paper shows that TGF-beta signaling relieves SKI-mediated transcriptional repression of Rorc, the key regulator of the Th17 program. PMID- 29219148 TI - Obesity: Sex differences in insulin resistance. PMID- 29219150 TI - Diabetes: ANGPTL8 as an early predictor of gestational diabetes mellitus. PMID- 29219151 TI - Familial hypercholesterolaemia. AB - Familial hypercholesterolaemia is a common inherited disorder characterized by abnormally elevated serum levels of low-density lipoprotein (LDL) cholesterol from birth, which in time can lead to cardiovascular disease (CVD). Most cases are caused by autosomal dominant mutations in LDLR, which encodes the LDL receptor, although mutations in other genes coding for proteins involved in cholesterol metabolism or LDLR function and processing, such as APOB and PCSK9, can also be causative, although less frequently. Several sets of diagnostic criteria for familial hypercholesterolaemia are available; common diagnostic features are an elevated LDL cholesterol level and a family history of hypercholesterolaemia or (premature) CVD. DNA-based methods to identify the underlying genetic defect are desirable but not essential for diagnosis. Cascade screening can contribute to early diagnosis of the disease in family members of an affected individual, which is crucial because familial hypercholesterolaemia can be asymptomatic for decades. Clinical severity depends on the nature of the gene that harbours the causative mutation, among other factors, and is further modulated by the type of mutation. Lifelong LDL cholesterol-lowering treatment substantially improves CVD-free survival and longevity. Statins are the first line therapy, but additional drugs, such as ezetimibe, bile acid sequestrants, PCSK9 inhibitors and other emerging therapies, are often required. PMID- 29219149 TI - Global aetiology and epidemiology of type 2 diabetes mellitus and its complications. AB - Globally, the number of people with diabetes mellitus has quadrupled in the past three decades, and diabetes mellitus is the ninth major cause of death. About 1 in 11 adults worldwide now have diabetes mellitus, 90% of whom have type 2 diabetes mellitus (T2DM). Asia is a major area of the rapidly emerging T2DM global epidemic, with China and India the top two epicentres. Although genetic predisposition partly determines individual susceptibility to T2DM, an unhealthy diet and a sedentary lifestyle are important drivers of the current global epidemic; early developmental factors (such as intrauterine exposures) also have a role in susceptibility to T2DM later in life. Many cases of T2DM could be prevented with lifestyle changes, including maintaining a healthy body weight, consuming a healthy diet, staying physically active, not smoking and drinking alcohol in moderation. Most patients with T2DM have at least one complication, and cardiovascular complications are the leading cause of morbidity and mortality in these patients. This Review provides an updated view of the global epidemiology of T2DM, as well as dietary, lifestyle and other risk factors for T2DM and its complications. PMID- 29219152 TI - Corrigendum: BDNF val66met Polymorphism Impairs Hippocampal Long-Term Depression by Down-Regulation of 5-HT3 Receptors. AB - [This corrects the article on p. 306 in vol. 11, PMID: 29075179.]. PMID- 29219147 TI - Mitochondrial metabolism and cancer. AB - Glycolysis has long been considered as the major metabolic process for energy production and anabolic growth in cancer cells. Although such a view has been instrumental for the development of powerful imaging tools that are still used in the clinics, it is now clear that mitochondria play a key role in oncogenesis. Besides exerting central bioenergetic functions, mitochondria provide indeed building blocks for tumor anabolism, control redox and calcium homeostasis, participate in transcriptional regulation, and govern cell death. Thus, mitochondria constitute promising targets for the development of novel anticancer agents. However, tumors arise, progress, and respond to therapy in the context of an intimate crosstalk with the host immune system, and many immunological functions rely on intact mitochondrial metabolism. Here, we review the cancer cell-intrinsic and cell-extrinsic mechanisms through which mitochondria influence all steps of oncogenesis, with a focus on the therapeutic potential of targeting mitochondrial metabolism for cancer therapy. PMID- 29219153 TI - Corrigendum: Different Neural Correlates of Emotion-Label Words and Emotion-Laden Words: An ERP Study. AB - [This corrects the article on p. 455 in vol. 11, PMID: 28983242.]. PMID- 29219154 TI - Developing nanotube junctions with arbitrary specifications. AB - Experimentally synthesized carbon nanotube (CNTs) junctions (either single or with 2D/3D CNT network topology) are expected to have random orientation of defect sites (non-hexagonal rings) around the junction. This random and irregular nature of the junction topology and defect characteristics is expected to affect their strength and durability as well as impact the associated mesoscopic and macroscopic properties. On the contrary, theoretical and computational studies often investigate structure-property relationships of pristine and regular junctions of carbon nanostructures. In this study, we developed a computational framework to model a variety of junction structures between CNTs with arbitrary spatial (orientation and degree of overlap) and intrinsic (chirality) specifications. The developed computational model also has the ability to tune the degree of topological defects around the junction via a variety of defect annihilation approaches. Our method makes use of the primal/dual meshing concept, where the development and manipulation of the junction nodes occur using triangular meshes (primal mesh), which is eventually converted to its dual mesh (honeycomb mesh) to render a fully covalently bonded CNT junction. Here each carbon atom has 3 bonded neighbors (mimicking sp2 hybridization). Under a given set of CNT orientation, overlap and chirality specifications, the approach creates a number of CNT junction configurations with varying degrees of energetic stability, offering an opportunity to investigate the effect of topological arrangement of defects around the junction on mechanical, electrical and thermal properties. In addition, it is shown via few examples that the discussed methodology can easily be extended to create multi-junction nanotube clusters, multi-wall nanotube junctions, as well as true 3D random network structures. PMID- 29219155 TI - Mechanochemical synthesis of cooperative spin crossover materials. AB - We describe the synthesis of switchable spin crossover materials via mechanochemistry for the first time. Three chemically diverse spin crossover materials have been produced using solvent-free grinding. Crucially, cooperative spin transition behavior and crystallinity is retained, presenting exciting opportunities for the discovery of new materials with switchable magnetic, optical and structural properties. PMID- 29219156 TI - Research into food portion size: methodological aspects and applications. AB - Portion sizes for certain foods have been increasing dramatically in recent years alongside obesity rates, concurring with the phenomenon of the portion size effect (more is consumed when more is offered). Portion size may be defined based on different purposes such as for dietary assessment, or therapeutic advice or food labelling, resulting in a variety of measurement methods and specifications. This situation has resulted in disagreements on establishing portion size recommendations by manufacturers, food distributors, restaurants, health professionals and policy makers, contributing to confusion amongst consumers on the amounts of food to be consumed, and potentially increasing the likelihood of overeating and other obesity-related behaviours. Such variability is also reflected in the research field making comparison across studies on portion size difficult. The aim of this review is to provide an overview of definitions and methods used in research to evaluate portion-size related outcomes, including methods to estimate amounts consumed by individuals as part of dietary assessment; methods to analyse cognitive mechanisms related to portion size behaviour; and methods to evaluate the impact of portion size manipulations as well as individual plus environmental factors on portion size behaviour. Special attention has been paid to behavioural studies exploring portion size cognitive processes given the lack of previous methodological reviews in this area. This information may help researchers, clinicians and other stakeholders to establish clearer definitions of portion size in their respective areas of work and to standardise methods to analyse portion size effects. PMID- 29219157 TI - Protein networks in the maturation of human iron-sulfur proteins. AB - The biogenesis of iron-sulfur (Fe-S) proteins in humans is a multistage process occurring in different cellular compartments. The mitochondrial iron-sulfur cluster (ISC) assembly machinery composed of at least 17 proteins assembles mitochondrial Fe-S proteins. A cytosolic iron-sulfur assembly (CIA) machinery composed of at least 13 proteins has been more recently identified and shown to be responsible for the Fe-S cluster incorporation into cytosolic and nuclear Fe-S proteins. Cytosolic and nuclear Fe-S protein maturation requires not only the CIA machinery, but also the components of the mitochondrial ISC assembly machinery. An ISC export machinery, composed of a protein transporter located in the mitochondrial inner membrane, has been proposed to act in mediating the export process of a still unknown component that is required for the CIA machinery. Several functional and molecular aspects of the protein networks operative in the three machineries are still largely obscure. This Review focuses on the Fe-S protein maturation processes in humans with the specific aim of providing a molecular picture of the currently known protein-protein interaction networks. The human ISC and CIA machineries are presented, and the ISC export machinery is discussed with respect to possible molecules being the substrates of the mitochondrial protein transporter. PMID- 29219158 TI - Electroanalytical study of dopamine oxidation on carbon electrodes: from the macro- to the micro-scale. AB - The oxidation of dopamine in strongly acidic (pH = 0) solution is investigated using microdisc, microcylinder and macro-electrodes together with a range of voltage scan rates. Kinetic and mechanistic analysis over the full range of mass transport conditions show a behaviour consistent with an ECE process with a fast chemical step and in which the second electron transfer is thermodynamically more favourable than the first step. Accordingly the reaction effectively behaves as an EE process. PMID- 29219159 TI - Coupling interconnected MoO3/WO3 nanosheets with a graphene framework as a highly efficient anode for lithium-ion batteries. AB - A rationally assembled three-dimensional graphene framework coupled with interconnected molybdenum/tungsten oxide nanosheets (MoO3/WO3-GF) has been developed via a one-step template-free strategy. With the unique nanostructure, the obtained anode material not only exhibits a high reversible capacity of about 1000 mA h g-1, approaching the theoretical capacity of MoO3 and WO3 materials, but also shows excellent rate capability and cycling performance with negligible capacity attenuation after a long-time test. These features make it a promising candidate material for high-performance commercial lithium-ion batteries in the future. PMID- 29219160 TI - Rainbows, supernumerary rainbows and interference effects in the angular scattering of chemical reactions: an investigation using Heisenberg's S matrix programme. AB - In earlier research, we have demonstrated that broad "hidden" rainbows can occur in the product differential cross sections (DCSs) of state-to-state chemical reactions. Here we ask the question: can pronounced and localized rainbows, rather than broad hidden ones, occur in reactive DCSs? Further motivation comes from recent measurements by H. Pan and K. Liu, J. Phys. Chem. A, 2016, 120, 6712, of a "bulge" in a reactive DCS, which they conjecture is a rainbow. Our theoretical approach uses a "weak" version of Heisenberg's scattering matrix program (wHSMP) introduced by X. Shan and J. N. L. Connor, Phys. Chem. Chem. Phys., 2011, 13, 8392. This wHSMP uses four general physical principles for chemical reactions to suggest simple parameterized forms for the S matrix; it does not employ a potential energy surface. We use a parameterization in which the modulus of the S matrix is a smooth-step function of the total angular momentum quantum number, J, and (importantly) its phase is a cubic polynomial in J. We demonstrate for a Legendre partial wave series (PWS) the existence of pronounced rainbows, supernumerary rainbows, and other interference effects, in reactive DCSs. We find that reactive rainbows can be more complicated in their structure than the familiar rainbows of elastic scattering. We also analyse the angular scattering using Nearside-Farside (NF) PWS theory and NF PWS Local Angular Momentum (LAM) theory, including resummations of the PWS. In addition, we apply full and NF asymptotic (semiclassical) rainbow theories to the PWS - in particular, the uniform Airy and transitional Airy approximations for the farside scattering. This lets us prove that structure in the DCSs are indeed rainbows, supernumerary rainbows as well as other interference effects. PMID- 29219161 TI - The atomic level mechanism of white phosphorous demolition by di-iodine. AB - A detailed mechanism of the I2-induced transformation of white phosphorus into PI3 emerges from a DFT analysis. This multi-step process implies that at any stage one P-P and two I-I bonds cleavages, associated with the formation of two P I bonds plus an in situ generated brand new I2 molecule. Significant electron transfer between the atoms is observed at any step, but the reactions are better defined as concerted rather than redox. Along the steepest descent to the product, no significant barrier is encountered except for the very first P4 activation, which costs +14.6 kcal mol-1. At the atomic level, one first I2 molecule, a typical mild oxidant, is first involved in a linear halogen bonding interaction (XB) with one P donor, while its terminal I atom is engaged in an additional XB adduct with a second I2. Significant electron transfer through the combined diatomics allows the external I atom of the dangling I3 grouping to convey electrons into the sigma* level of one P-P bond with its consequent cleavage. This implies at some point the appearance of a six-membered ring, which alternatively switches its bonding and no-bonding interactions. The final transformation of the P2I4 diphosphine into two PI3 phosphines is enlightening also for the specific role of the I substituents. In fact, it is proved that an organo-diphosphine analogue hardly undergoes the separation of two phosphines, as reported in the literature. This is attributable to the particularly high donor power of the carbo-substituted P atoms, which prevents the concertedness of the reaction but favors charge separation in an unreactive ion pair. PMID- 29219162 TI - Structural diversity in the alkaline earth metal compounds of tetra and pentacyanocyclopentadienide. AB - The reaction of the alkaline earth dihalides MCl2.nH2O (M = Mg, Ca, Sr, Ba) with the silver salts of cyanocyclopentadienides [C5(CN)4X]- (X = H, CN) yields the corresponding alkaline earth biscyclopentadienides. The pentacyanocyclopentadienides of Mg and Ca and the tetracyanocyclopentadienides of Ca, Sr and Ba were studied by X-ray diffraction. The Mg compound 1a' shows only coordination by water molecules, but numerous hydrogen bridges between coordinated water molecules and pentacyanocyclopentadienide anions and further guest water molecules create a three-dimensional network. The structure of the calcium pentacyanocyclopentadienide 1b shows two inequivalent anions, one uncoordinated and one coordinating via three nitrile groups to three different metal ions. Ca2+ and [C5(CN)5]- ions together form a rhombohedral grid structure, in which the voids are filled by the uncoordinated [C5(CN)5]- ion and guest water molecules, all taking part in a hydrogen bond network too. The isostructural Ca and Sr tetracyanocyclopentadienides exhibit eightfold coordinated metal ions, in which both [C5(CN)4H]- anions coordinate to the metals by one cyano group each, and each anion bridging two metal ions. Thus, one-dimensional ribbons of {Ca[C5(CN)4H]4/2}x are formed, which are interconnected via hydrogen bridges from and to coordinated water molecules to build a three-dimensional network. The barium tetracyanocyclopentadienide contains a ninefold coordinated metal with the anion using three of its nitrile functions for coordination to three different metals. A complicated network is formed by four interpenetrating {Ba[C5(CN)4H]2} helices that are interconnected via the remaining third nitrile function, while the fourth nitrile group always remains uncoordinated. Although all coordinated water molecules are involved in hydrogen bridges, these are not contributing to the formation of the network. PMID- 29219163 TI - Lessons to Be Learned about Clinical Trials in Preclinical AD from Ongoing Longitudinal Studies. PMID- 29219164 TI - Drug Development in AD: Point of View from the Industry. PMID- 29219165 TI - Impact of Dietary Factors and Inflammation on Cognition among Older Adults. AB - OBJECTIVE: This study examined the influence of age, nutrition (as measured through food diaries and serum/plasma biomarkers) and inflammatory markers on cognitive performance in adults 60 years of age and older. DESIGN: A cross sectional population based study, data from the National Health and Nutrition Examination Survey (NHANES; 2001-2002 wave). PARTICIPANTS: This study included 1,048 adults who had valid dietary data, blood biomarkers, were 60 years or older, completed the cognitive test, and had complete demographic information. METHOD: A series of regression models were used to examine the relationship between cognitive function as measured by the Digit Symbol Substitution Task (DSST), dietary factors/biomarkers and inflammation. Mediation analyses were then utilized to examine whether individual nutrients accounted for the relationships between age and DSST performance. RESULTS: Dietary fat intake, serum vitamin E, serum folate, serum iron, plasma homocysteine, and serum vitamin D were significantly associated with better DSST performance. Elevated fibrinogen and C reactive protein, were significantly associated with poorer cognitive function, but did not remain statistically significant after controlling for age, gender, education, ethnicity, income, and total calorie intake. Serum vitamin D and plasma homocysteine accounted for a portion of age-related variance in DSST. Specifically, higher levels of vitamin D were related to better DSST performance, while higher homocysteine resulted in poorer cognitive performance. CONCLUSION: Diet and nutrition are important modifiable factors that can influence health outcomes and may be beneficial to remediate age-related declines in cognition. Adequate nutrition may provide a primary preventive approach to healthy aging and maintenance of cognitive functioning in older adults. PMID- 29219166 TI - Muslim gay men: identity conflict and politics in a Muslim majority nation. AB - While a number of investigations have examined how gay Muslim men view homosexuality in relation to religious Western homophobia, this research constitutes the first account of the experiences of self-identified gay men living in an African, Muslim nation, where same-sex sex is both illegal and actively persecuted. We interviewed 28 gay men living in Tunisia in order to understand how they assimilate their sexual, religious and ethnic identities within a highly homophobic culture. Utilizing notions of homoerasure and homohysteria (McCormack and Eric Anderson ,b), and examining the intersection of identity conflict and new social movement theory, we highlight four strategies that participants use to negotiate the dissonance of living with conflicting identities in a context of religious homophobia: (1) privileging their Islamic identities and rejecting homosexuality as a legitimate sexual identity; (2) rejecting Islam and accepting homosexuality as a legitimate sexual identity; (3) interpreting Islam to be supportive of homosexuality; and (4) creating a non penetrative homosexuality to be compatible with literal Qur'anic interpretations. We discuss the multiple difficulties these men face in relation to religious intolerance and ethnic heteronormativity, and reflect upon the possibilities and obstacles of using Western identity politics towards the promotion of social justice within a framework of growing homohysteria. PMID- 29219167 TI - Quantitative Understanding of QTc Prolongation and Gender as Risk Factors for Torsade de Pointes. AB - Several risk factors for development of a potentially fatal ventricular arrhythmia, torsade de pointes, have been observed, including female gender. However, in most investigations, only few torsade events were included and/or rarely were postdose heart rate corrected QT (QTc) measurements included, as a surrogate of drug exposure. We developed a multivariate logistic regression model using data from 22,214 patients (33% women) with 84 torsade events (56% women) to evaluate the relationship between risk factors for torsade using data from four anti-arrhythmic drug development programs. Before model development, we evaluated different QT/QTc postdose metrics (average, maximum, etc.) to determine which QT metric should be included into the model. The developed multivariate model showed that, after accounting for known risk factors for torsade and postdose QTc, that female gender remained a significant risk factor for torsade. PMID- 29219168 TI - Between evidence and commerce - the case of sufentanil sublingual tablet systems. PMID- 29219169 TI - Pharmacokinetics and pharmacodynamics of sublingual sufentanil for postoperative pain management. AB - Achieving successful treatment of postoperative pain remains a challenge. Recently, a sufentanil sublingual tablet system has been developed for treatment of moderate-to-severe postoperative pain. The phenylpiperidine sufentanil is a potent analgesic that rapidly crosses the blood-brain barrier and selectively activates central MU-opioid receptors. The system makes use of a hand-held dispenser system, which contains forty 15-MUg sufentanil sublingual micro tablets. The patient can release one tablet at 20-min intervals using a unique radiofrequency adhesive tag, which is wrapped around the patient's thumb. In this review, the authors discuss the pharmacology of sublingual sufentanil with reference to its suitability in the treatment of postoperative pain, the current evidence for the sublingual sufentanil system in postoperative pain treatment, and advantages and limitations of the sublingual system. We conclude that sufentanil is suited for the transmucosal route due to its pharmacokinetic profile, including rapid onset, absence of active metabolites and low tissue accumulation. The efficacy and safety of the sufentanil sublingual tablet system has been shown in over 600 patients in a limited set of studies; further independent studies are required to determine the position of the system among other forms of postoperative pain treatment. We conclude that the sublingual sufentanil tablet system allows effective pain relief, and allows patients to control their own pain relief and early postoperative mobility. PMID- 29219170 TI - Learning to Individuate: The Specificity of Labels Differentially Impacts Infant Visual Attention. AB - This study examined differences in visual attention as a function of label learning from 6 to 9 months of age. Before and after 3 months of parent-directed storybook training with computer-generated novel objects, event-related potentials and visual fixations were recorded while infants viewed trained and untrained images (n = 23). Relative to a pretraining, a no-training control group (n = 11), and to infants trained with category-level labels (e.g., all labeled "Hitchel"), infants trained with individual-level labels (e.g., "Boris," "Jamar") displayed increased visual attention and neural differentiation of objects after training. PMID- 29219171 TI - Benzodiazepines for psychosis-induced aggression or agitation. AB - BACKGROUND: Acute psychotic illness, especially when associated with agitated or violent behaviour, can require urgent pharmacological tranquillisation or sedation. In several countries, clinicians often use benzodiazepines (either alone or in combination with antipsychotics) for this outcome. OBJECTIVES: To examine whether benzodiazepines, alone or in combination with other pharmacological agents, is an effective treatment for psychosis-induced aggression or agitation when compared with placebo, other pharmacological agents (alone or in combination) or non-pharmacological approaches. SEARCH METHODS: We searched the Cochrane Schizophrenia Group's register (January 2012, 20 August 2015 and 3 August 2016), inspected reference lists of included and excluded studies, and contacted authors of relevant studies. SELECTION CRITERIA: We included all randomised controlled trials (RCTs) comparing benzodiazepines alone or in combination with any antipsychotics, versus antipsychotics alone or in combination with any other antipsychotics, benzodiazepines or antihistamines, for people who were aggressive or agitated due to psychosis. DATA COLLECTION AND ANALYSIS: We reliably selected studies, quality assessed them and extracted data. For binary outcomes, we calculated standard estimates of risk ratio (RR) and their 95% confidence intervals (CI) using a fixed-effect model. For continuous outcomes, we calculated the mean difference (MD) between groups. If there was heterogeneity, this was explored using a random-effects model. We assessed risk of bias and created a 'Summary of findings' table using GRADE. MAIN RESULTS: Twenty trials including 695 participants are now included in the review. The trials compared benzodiazepines or benzodiazepines plus an antipsychotic with placebo, antipsychotics, antihistamines, or a combination of these. The quality of evidence for the main outcomes was low or very low due to very small sample size of included studies and serious risk of bias (randomisation, allocation concealment and blinding were not well conducted in the included trials, 30% of trials (six out of 20) were supported by pharmaceutical institutes). There was no clear effect for most outcomes.Benzodiazepines versus placeboOne trial compared benzodiazepines with placebo. There was no difference in the number of participants sedated at 24 hours (very low quality evidence). However, for the outcome of global state, clearly more people receiving placebo showed no improvement in the medium term (one to 48 hours) (n = 102, 1 RCT, RR 0.62, 95% CI 0.40 to 0.97, very low quality evidence). Benzodiazepines versus antipsychoticsWhen compared with haloperidol, there was no observed effect for benzodiazepines for sedation by 16 hours (n = 434, 8 RCTs, RR 1.13, 95% CI 0.83 to 1.54, low quality evidence). There was no difference in the number of participants who had not improved in the medium term (n = 188, 5 RCTs, RR 0.89, 95% CI 0.71 to 1.11, low quality evidence). However, one small study found fewer participants improved when receiving benzodiazepines compared with olanzapine (n = 150, 1 RCT, RR 1.84, 95% CI 1.06 to 3.18, very low quality evidence). People receiving benzodiazepines were less likely to experience extrapyramidal effects in the medium term compared to people receiving haloperidol (n = 233, 6 RCTs, RR 0.13, 95% CI 0.04 to 0.41, low quality evidence).Benzodiazepines versus combined antipsychotics/antihistaminesWhen benzodiazepine was compared with combined antipsychotics/antihistamines (haloperidol plus promethazine), there was a higher risk of no improvement in people receiving benzodiazepines in the medium term (n = 200, 1 RCT, RR 2.17, 95% CI 1.16 to 4.05, low quality evidence). However, for sedation, the results were controversial between two groups: lorazepam may lead to lower risk of sedation than combined antipsychotics/antihistamines (n = 200, 1 RCT, RR 0.91, 95% CI 0.84 to 0.98, low quality evidence); while, midazolam may lead to higher risk of sedation than combined antipsychotics/antihistamines (n = 200, 1 RCT, RR 1.13, 95% CI 1.04 to 1.23, low quality evidence).Other combinationsData comparing benzodiazepines plus antipsychotics versus benzodiazepines alone did not yield any results with clear differences; all were very low quality evidence. When comparing combined benzodiazepines/antipsychotics (all studies compared haloperidol) with the same antipsychotics alone (haloperidol), there was no difference between groups in improvement in the medium term (n = 185, 4 RCTs, RR 1.17, 95% CI 0.93 to 1.46, low quality evidence), but sedation was more likely in people who received the combination therapy (n = 172, 3 RCTs, RR 1.75, 95% CI 1.14 to 2.67,very low quality evidence). Only one study compared combined benzodiazepine/antipsychotics with antipsychotics; however, this study did not report our primary outcomes. One small study compared combined benzodiazepines/antipsychotics with combined antihistamines/antipsychotics. Results showed a higher risk of no clinical improvement (n = 60, 1 RCT, RR 25.00, 95% CI 1.55 to 403.99, very low quality evidence) and sedation status (n = 60, 1 RCT, RR 12.00, 95% CI 1.66 to 86.59, very low quality evidence) in the combined benzodiazepines/antipsychotics group. AUTHORS' CONCLUSIONS: The evidence from RCTs for the use of benzodiazepines alone is not good. There were relatively few good data. Most trials were too small to highlight differences in either positive or negative effects. Adding a benzodiazepine to other drugs does not seem to confer clear advantage and has potential for adding unnecessary adverse effects. Sole use of older antipsychotics unaccompanied by anticholinergic drugs seems difficult to justify. Much more high-quality research is still needed in this area. PMID- 29219172 TI - Roles of lipocalin 2 and adiponectin in iron overload cardiomyopathy. AB - Thalassemia is among the most common genetic diseases worldwide. Ineffective erythropoiesis, chronic hemolysis, and regular blood transfusion in thalassemia patients lead to increased iron burden. Iron overload cardiomyopathy is the most severe co-morbidity and most common cause of mortality in thalassemia patients. Although its associated mechanisms are still not completely understood, cellular iron mishandling, chronic inflammation, and oxidative stress appear to be the key processes involved. In order to acquire a more comprehensive insight of the impact of cardiac iron overload, these alterations need to be intensively investigated. This comprehensive mini-review focuses on two emergent molecules which have been shown to potentially play significant roles in iron overload cardiomyopathy. These two molecules are an iron-transporting protein, lipocalin 2, and an anti-inflammatory adipokine, adiponectin. Reports from in vitro and in vivo studies are comprehensively summarized. Clinical studies examining the roles of these molecules in thalassemia patients are also presented and discussed. PMID- 29219173 TI - Parenting stress, anxiety, and depression in mothers with visually impaired infants: a cross-sectional and longitudinal cohort analysis. AB - AIM: This study examined cross-sectional and longitudinal patterns of parenting stress, adult anxiety, and depression in mothers of children with profound or severe visual impairment (PVI or SVI) at 1 year and 2 years of age. METHOD: Mothers of a national longitudinal cohort (OPTIMUM Project) of infants with congenital disorders of the peripheral visual system and PVI (light perception at best) or SVI (basic 'form' vision of non-light reflecting objects) participated. Infant age at baseline (T1 ) was 8 to 16 months. Mothers completed the Parenting Stress Index - Short Form and the Hospital Anxiety and Depression Scale at T1 (n=79) and at follow-up 12 months later (T2 ) (n=73). RESULTS: Mothers of the total group had higher parenting stress levels (34.6% in clinical range) than community normative data at T1 (p=0.017). Mothers of infants in the PVI subgroup had elevated stress at T1 (p=0.014) and T2 (p=0.009). The PVI subgroup was also elevated in the Difficult Child subscale at T2 (p=0.001). Within-sample differences in parenting stress between the visual impairment subgroups were found at T2 only: the PVI subgroup scored higher than the SVI subgroup (p=0.029). Adult anxiety and depression in the total group were not elevated compared with community normative data at T1 and T2 ; however, higher parenting stress was related to raised adult anxiety and depression levels at T1 and T2 (p=0.001). Regression analysis found parenting stress and lower child vision level (T1 ) predicted parenting stress (T2 ) (p=0.001; 42% variance). INTERPRETATION: Mothers of 1-year-old infants with visual impairment showed raised risk for parenting stress, which continued to be elevated for children with PVI and those perceived as 'difficult' at 2 years. This was also a psychological risk, with greater adult anxiety and depression in those mothers with raised parenting stress. The clinical significance is that identification of parenting stress and targeted parenting, and behavioural support of the child in the first years of life is highly indicated. WHAT THIS PAPER ADDS: Mothers of infants with visual impairment are at increased risk of parenting stress. Parenting stress was higher in mothers of children with profound visual impairment than those with severe visual impairment. High levels of parenting stress and lower infant vision at 1 year of age predicted higher parenting stress at 2 years of age. PMID- 29219175 TI - XIST/miR-544 axis induces neuropathic pain by activating STAT3 in a rat model. AB - An increasing number of studies have reported that lncRNAs are responsible for the development of neuropathic pain. In our current study, chronic constriction injury (CCI) rat models were established and we observed that lncRNA XIST was greatly increased. Knockdown of XIST can relieve pain characteristics including both mechanical and thermal hyperalgesia in CCI rats. Meanwhile, XIST down regulation could inhibit neuro-inflammation by reducing expression of inflammatory cytokines including tumor necrosis factor (TNF)-alpha, IL-1beta, and IL-6 and in CCI rats. By performing bioinformatics technology, miR-544 was predicted to have interactions with XIST and dual-luciferase reporter assays validated the correlation between them. A negative correlation between miR-544 and XIST was observed by carrying out XIST loss or gain of function tests. miR 544 markedly alleviated neuropathic pain development in CCI rats via targeting inflammatory cytokines, which was reversed by XIST over-expression. Moreover, STAT3 was manifested to be a target gene of miR-544 by bioinformatics predictions and it was activated in CCI rats. Over-expression of STAT3 was able to induce neuropathic pain and miR-544 inhibited this process in vivo. Furthermore, XIST increased STAT3 expression by sponging miR-544 in neuropathic pain development. To conclude, our present study indicated that XIST can contribute to neuropathic pain progression in rats through down-regulating miR-544 and up-regulating STAT3. Our results suggested that XIST/miR-544/STAT3 axis can serve as a novel therapeutic target in neuropathic pain development. PMID- 29219174 TI - IGFBP3 deposited in the human umbilical cord mesenchymal stem cell-secreted extracellular matrix promotes bone formation. AB - The extracellular matrix (ECM) contains rich biological cues for cell recruitment, proliferationm, and even differentiation. The osteoinductive potential of scaffolds could be enhanced through human bone marrow mesenchymal stem cell (hBMSC) directly depositing ECM on surface of scaffolds. However, the role and mechanism of human umbilical cord mesenchymal stem cells (hUCMSC) secreted ECM in bone formation remain unknown. We tested the osteoinductive properties of a hUCMSC-secreted ECM construct (hUCMSC-ECM) in a large femur defect of a severe combined immunodeficiency (SCID) mouse model. The hUCMSC-ECM improved the colonization of endogenous MSCs and bone regeneration, similar to the hUCMSC-seeded scaffold and superior to the scaffold substrate. Besides, the hUCMSC-ECM enhanced the promigratory molecular expressions of the homing cells, including CCR2 and TbetaRI. Furthermore, the hUCMSC-ECM increased the number of migrated MSCs by nearly 3.3 +/- 0.1-fold, relative to the scaffold substrate. As the most abundant cytokine deposited in the hUCMSC-ECM, insulin-like growth factor binding protein 3 (IGFBP3) promoted hBMSC migration in the TbetaRI/II- and CCR2-dependent mechanisms. The hUCMSC-ECM integrating shRNA-mediated silencing of Igfbp3 that down-regulated IGFBP3 expression by approximately 60%, reduced the number of migrated hBMSCs by 47%. In vivo, the hUCMSC-ECM recruited 10-fold more endogenous MSCs to initiate bone formation compared to the scaffold substrate. The knock-down of Igfbp3 in the hUCMSC-ECM inhibited nearly 60% of MSC homing and bone regeneration capacity. This research demonstrates that IGFBP3 is an important MSC homing molecule and the therapeutic potential of hUCMSC-ECM in bone regeneration is enhanced by improving MSC homing in an IGFBP3-dependent mechanism. PMID- 29219176 TI - TET2 expression is a potential prognostic and predictive biomarker in cytogenetically normal acute myeloid leukemia. AB - TET2 (Ten-Eleven Translocation 2) gene is a member of TET family that can modify DNA through catalyzing the conversion of 5-methylcytosine (5-mC) into 5 hydroxymethylcytosine (5-hmC). Although TET2 mutation has been disclosed in a variety of hematopoietic malignancies, the prognostic implication of TET2 expression in acute myeloid leukemia (AML) remains largely elusive. In this study, real-time quantitative PCR was carried out to detect the level of TET2 transcript in 134 de novo AML patients and 35 healthy donors. TET2 mRNA level was significantly down-regulated in AML patients compared with controls (p = 0.010). Among the French-American-British (FAB) subtypes, the incidence of TET2 under expression in M0/M1 subtypes was significantly higher than in the other subtypes M2/M3/M4/M5/M6 (p = 0.017), and also markedly higher than in the other granulocyte subtypes M2/M3 (p = 0.005). TET2 low-expressed patients showed a significantly higher frequency of NPM1 mutations than TET2 high-expressed patients. Although there was no significant difference in complete remission rate between two groups (low and high TET2 expression), patients with low TET2 expression had markedly shorter overall survival (OS) in both non-M3 and cytogenetically normal AML (CN-AML) (p = 0.016 and 0.044, respectively). Furthermore, multivariate analysis confirmed the prognostic value of TET2 expression on OS among CN-AML patients (p = 0.049). Importantly, TET2 expression in complete remission (CR) time was significantly higher than newly diagnosis time (p = 0.001), and was returned to lower level when in relapse time (p < 0.001). These findings indicated that down-regulation of TET2 expression was a common event and acted as a prognostic and predictive biomarker in CN-AML patients. PMID- 29219177 TI - Current status and future prospective of Curcumin as a potential therapeutic agent in the treatment of colorectal cancer. AB - Colorectal cancer (CRC) is the third most common cause of cancer-related deaths worldwide. Hence there is a need to identify new therapeutic agents that improve the current repertoire of chemotherapeutic drugs. The antitumor activity of curcumin has been reported for several tumors, including CRC. A recent phase I trial showed that curcumin is safe and tolerable adjunct to FOLFOX (5 fluorouracil, folinic acid and oxaliplatin) chemotherapy in patient-derived colorectal liver metastases at doses up to 2 g daily. Another trial revealed the effect of combining curcumin with FOLFOX in patients with inoperable colorectal cancer. The aim of current review was to summarize the current knowledge about possible molecular mechanisms of curcumin in CRC with particular emphasis on preclinical and early clinical studies of colorectal cancer. PMID- 29219178 TI - The long noncoding RNA NEAT1 contributes to hepatocellular carcinoma development by sponging miR-485 and enhancing the expression of the STAT3. AB - Accumulating evidence has supported the significance of lncRNAs in tumorigenesis. Recently, some studies indicate the oncogenic role of lncRNA Nuclear Enriched Abundant Transcript 1 (NEAT1) in hepatocellular carcinoma (HCC). In our present study, we focused on the biological mechanisms through which NEAT1 can regulate HCC development. We found that NEAT1 was greatly upregulated in human HCC cell lines including Huh7, Hep3B, HepG2, Bel-7404, and SK-Hep1 cells compared to the normal human liver cell line LO2. In addition, we observed that miR-485 was significantly downregulated in HCC cells. It was implied that miR-485 was increased by sh-NEAT1 and miR-485 can modulate NEAT1 expression negatively. Meanwhile, NEAT1inhibiton can repress HCC growth, migration, and invasion capacity in HepG2 and Hep3B cells. Through performing bioinformatic analysis, dual-luciferase reporter test, RNA-binding protein immunoprecipitation, and RNA pull-down assay, miR-485 was confirmed as a interacting target of NEAT1. Additionally, STAT3 was recognized as a direct target of miR-485 and miR-485 mimics can inhibit STAT3 expression. It was demonstrated that NEAT1 can increase STAT3 levels while miR-485 mimics can repress STAT3. Moreover, we found that sh STAT3 was able to restrain HCC cell migration and invasion process. NEAT1 can act as a competing endogenous lncRNA (ceRNA) to regulated STAT3 by sponging miR-485 in HCC. Taken these together, NEAT1 can be used as an important biomarker in HCC diagnosis and treatment. PMID- 29219179 TI - Multidrug resistant lncRNA profile in chemotherapeutic sensitive and resistant ovarian cancer cells. AB - Most ovarian cancer patients are chemosensitive initially, but finally relapse with acquired chemoresistance. Multidrug-resistance is the extremely terrible situation. The mechanism for the acquired chemoresistance of ovarian cancer patients is still not clear. LncRNAs have been recognized as the important regulator of a variety of biological processes, including the multidrug-resistant process. Here, we carried out the lncRNA sequencing of the ovarian cancer cell line A2780 and the paxitaxel resistant cell line A2780/PTX which is also cross resistant to the cisplatin and epirubicin. Through integrating the published data with the cisplatin resistant lncRNAs in ovarian cancer cell line or ovarian cancer patients, 5 up-regulated and 21 down-regulated lncRNAs are considered as the multidrug-resistant lncRNAs. By real-time PCR analysis, we confirmed the 5 up regulated and 4 down-regulated multidrug resistant lncRNAs were similarly changed in both the multidrug resistant ovarian cancer cell lines and the multidrug resistant colon cancer cell lines. Furthermore, we conducted the lncRNA-mRNA co expression network to predict the potential multidrug resistant lncRNAs' targets. Interestingly, the multidrug resistant genes ABCB1, ABCB4, ABCC3, and ABCG2 are all co-expressed with lncRNA CTD-2589M5.4. Our results provide the valuable information for the understanding of the lncRNA function in the multidrug resistant process. PMID- 29219180 TI - Laminar shear stress promotes mitochondrial homeostasis in endothelial cells. AB - Vascular endothelial cells (ECs) are constantly subjected to flow-induced shear stress that is crucial for endothelial functions. Laminar shear stress (LSS) exerts atheroprotection to ECs. Mitochondrial homeostasis is essential for cellular survival. However, the effects of LSS on mitochondrial homeostasis in ECs remain unclear. Mitochondrial homeostasis in ECs exposed to LSS was examined. Cultured human umbilical vein ECs were subjected to LSS (12 dynes/cm2 ) generated by a parallel-plate flow chamber system. ECs subjected to LSS demonstrated an increment of mitochondria in tubular form coupled with the increase of fusion proteins (Mfn2, OPA1) and the decrease of fission protein (Fis1). An increase of both long- and short- OPA1 along with a higher protease YME1L level were observed. LSS triggered a rapid phosphorylation on S637 but a decrease on S616 of fission-controlled protein Drp1. Consistently, Drp1 translocation to mitochondria was decreased in sheared ECs, suggesting that LSS promotes mitochondrial fusion. Enhanced mitochondrial biogenesis in sheared ECs was shown by the increase of mitochondrial mass and its regulatory proeins (PGC1alpha, TFAM, Nrf1). LSS enhances the expression of mitochondrial antioxidant enzymes and improves mitochondrial functions indicated by the increase of mitochondrial membrane potential (DeltaPsim) and ATP generation. TNFalpha treatment decreased mitochondrial tubular network and its functions in ECs. LSS mitigated TNFalpha induced mitochondrial impairments in ECs. Our results clearly indicate that LSS promotes mitochondrial homeostasis and attenuates inflammation-induced mitochondrial impairments in ECs. Our results provide novel insights into the manner of mitochondrial dynamics and functions modulated by LSS that contribute to endothelial integrity. PMID- 29219181 TI - Exercise increases Rho-kinase activity and insulin signaling in skeletal muscle. AB - The effects of physical exercise on insulin signaling and glycemic homeostasis are not yet fully understood. Recent findings elucidated the positive role of Rho kinase (Rock) in increasing the glucose uptake through insulin receptor substrate 1 (IRS1) phosphorylation in the skeletal muscle. Here, we explored the effects of short-term exercise on Rock activity and insulin signaling. Fischer 344 rats (3 months old) were subjected to a short-term swimming exercise for 2 hr per day for 5 days, with an overload corresponding to 1.5% of body weight. As expected, the exercised group had a reduced glycemia and increased insulin sensitivity. The contents of Rock1, Rock2, and Rock activity were improved in the skeletal muscle of the exercised rats. The contents of RhoA and RhoGEF, which are proteins involved in the Rock metabolism, were also increased in the skeletal muscle after exercise. These changes in the protein contents were accompanied by an increase in the insulin signaling pathway (pIRS1/pPDK/pAkt/pGSK3beta/pAS160/GLUT4), Rock activity, and IRS1 phosphorylation at the 632/635 serine residues. On the other hand, when Rock was inhibited with the Y-27632, the insulin sensitivity in response to exercise was impaired. Based on these findings, we conclude that the short-term exercise increased both insulin sensitivity and glucose tolerance, through the increased Rock activity and pIRS1 (serine 632/635) mediated by Rock, in the skeletal muscle of Fischer 344 rats. These data represent an exercise mediated novel mechanism, suggesting an essential role of Rock activity in the insulin signaling and glucose homeostasis improvement. PMID- 29219182 TI - The emerging role of Hippo signaling pathway in regulating osteoclast formation. AB - A delicate balance between osteoblastic bone formation and osteoclastic bone resorption is crucial for bone homeostasis. This process is regulated by the Hippo signaling pathway including key regulatory molecules RASSF2, NF2, MST1/2, SAV1, LATS1/2, MOB1, YAP, and TAZ. It is well established that the Hippo signaling pathway plays an important part in regulating osteoblast differentiation, but its role in osteoclast formation and activation remains poorly understood. In this review, we discuss the emerging role of Hippo signaling pathway in osteoclast formation and bone homeostasis. It is revealed that specific molecules of the Hippo-signaling pathway take part in a stage specific regulation in pre-osteoclast proliferation, osteoclast differentiation and osteoclast apoptosis and survival. Upon activation, MST and LAST, transcriptional co-activators YAP and TAZ bind to the members of the TEA domain (TEAD) family transcription factors, and influence osteoclast differentiation via regulating the expression of downstream target genes such as connective tissue growth factor (CTGF/CCN2) and cysteine-rich protein 61 (CYR61/CCN1). In addition, through interacting or cross talking with RANKL-mediated signaling cascades including NF-kappaB, MAPKs, AP1, and NFATc1, Hippo-signaling molecules such as YAP/TAZ/TEAD complex, RASSF2, MST2, and Ajuba could also potentially modulate osteoclast differentiation and function. Elucidating the roles of the Hippo signaling pathway in osteoclast development and specific molecules involved is important for understanding the mechanism of bone homeostasis and diseases. PMID- 29219183 TI - Mechanical unloading reduces microtubule actin crosslinking factor 1 expression to inhibit beta-catenin signaling and osteoblast proliferation. AB - Mechanical unloading was considered a major threat to bone homeostasis, and has been shown to decrease osteoblast proliferation although the underlying mechanism is unclear. Microtubule actin crosslinking factor 1 (MACF1) is a cytoskeletal protein that regulates cellular processes and Wnt/beta-catenin pathway, an essential signaling pathway for osteoblasts. However, the relationship between MACF1 expression and mechanical unloading, and the function and the associated mechanisms of MACF1 in regulating osteoblast proliferation are unclear. This study investigated effects of mechanical unloading on MACF1 expression levels in cultured MC3T3-E1 osteoblastic cells and in femurs of mice with hind limb unloading; and it also examined the role and potential action mechanisms of MACF1 in osteoblast proliferation in MACF1-knockdown, overexpressed or control MC3T3-E1 cells treated with or without the mechanical unloading condition. Results showed that the mechanical unloading condition inhibited osteoblast proliferation and MACF1 expression in MC3T3-E1 osteoblastic cells and mouse femurs. MACF1 knockdown decreased osteoblast proliferation, while MACF1 overexpression increased it. The inhibitory effect of mechanical unloading on osteoblast proliferation also changed with MACF1 expression levels. Furthermore, MACF1 was found to enhance beta-catenin expression and activity, and mechanical unloading decreased beta catenin expression through MACF1. Moreover, beta-catenin was found an important regulator of osteoblast proliferation, as its preservation by treatment with its agonist lithium attenuated the inhibitory effects of MACF1-knockdown or mechanical unloading on osteoblast proliferation. Taken together, mechanical unloading decreases MACF1 expression, and MACF1 up-regulates osteoblast proliferation through enhancing beta-catenin signaling. This study has thus provided a mechanism for mechanical unloading-induced inhibited osteoblast proliferation. PMID- 29219184 TI - Minimal clinically important difference of voice handicap index-10 in vocal fold paralysis. AB - OBJECTIVES/HYPOTHESIS: The Voice Handicap Index-10 (VHI-10) is commonly used to measure patients' perception of vocal handicap. Clinical consensus has previously defined clinically meaningful improvement as a decrease >=5. This study determines the minimal clinically important difference (MCID) for VHI-10 in patients with unilateral vocal fold paralysis (UVFP) using anchor-based methodology. STUDY DESIGN: Prospective cohort questionnaire analysis. METHODS: Two hundred eighty-one UVFP patients completed the VHI-10 on two consecutive visits (within 3 months). At the follow-up visit, patients answered an 11-point Global Rating of Change Questionnaire (GRCQ) scored from -5 to +5. Relationship between the GRCQ and change in VHI-10 was quantified using analysis of variance, and MCID for the VHI-10 was determined using receiver operating characteristic (ROC) curve analysis. RESULTS: Overall mean VHI-10 change was -3.71 (standard deviation [SD] = 8.89) and mean GRCQ was 1.37 (SD = 2.51). Average interval between measurements was 1.73 months (SD = 0.83). Mean changes in VHI-10 scores were -7.45, -0.53, and +4.40 for patients whose GRCQ scores indicated improvement, no change, and worsening, respectively. Differences between mean scores were statistically significant (P < .001). Area under the ROC curve was 0.80, demonstrating the classification accuracy of VHI-10 change scores. A VHI-10 change of -4 was determined to be the optimal threshold that discriminated between improvement and no improvement (sensitivity and specificity 0.62 and 0.88, respectively). CONCLUSIONS: The MCID for improvement in VHI-10 in UVFP patients is a decrease of 4. This information improves understanding of patients' response to treatment and allows comparison between different treatments. Future research should determine MCID for VHI-10 across all voice disorders. LEVEL OF EVIDENCE: 4. Laryngoscope, 128:1419-1424, 2018. PMID- 29219185 TI - The development and validation of the speech quality instrument. AB - OBJECTIVE: Although speech perception tests are available to evaluate hearing, there is no standardized validated tool to quantify speech quality. The objective of this study is to develop a validated tool to measure quality of speech heard. STUDY DESIGN: Prospective instrument validation study of 35 normal hearing adults recruited at a tertiary referral center. METHODS: Participants listened to 44 speech clips of male/female voices reciting the Rainbow Passage. Speech clips included original and manipulated excerpts capturing goal qualities such as mechanical and garbled. Listeners rated clips on a 10-point visual analog scale (VAS) of 18 characteristics (e.g. cartoonish, garbled). RESULTS: Skewed distribution analysis identified mean ratings in the upper and lower 2-point limits of the VAS (ratings of 8-10, 0-2, respectively); items with inconsistent responses were eliminated. The test was pruned to a final instrument of nine speech clips that clearly define qualities of interest: speech-like, male/female, cartoonish, echo-y, garbled, tinny, mechanical, rough, breathy, soothing, hoarse, like, pleasant, natural. Mean ratings were highest for original female clips (8.8) and lowest for not-speech manipulation (2.1). Factor analysis identified two subsets of characteristics: internal consistency demonstrated Cronbach's alpha of 0.95 and 0.82 per subset. Test-retest reliability of total scores was high, with an intraclass correlation coefficient of 0.76. CONCLUSION: The Speech Quality Instrument (SQI) is a concise, valid tool for assessing speech quality as an indicator for hearing performance. SQI may be a valuable outcome measure for cochlear implant recipients who, despite achieving excellent speech perception, often experience poor speech quality. LEVEL OF EVIDENCE: 2b. Laryngoscope, 128:1622-1627, 2018. PMID- 29219186 TI - Improved adductor function after canine recurrent laryngeal nerve injury and repair using muscle progenitor cells. AB - OBJECTIVE: Muscle progenitor cells (MPCs) can be isolated from muscle samples and grown to a critical mass in culture. They have been shown to survive and integrate when implanted into rat laryngeal muscles. In this study, the ability of MPC implants to enhance adductor function of reinnervated thyroarytenoid muscles was tested in a canine model. STUDY DESIGN: Animal study. METHODS: Sternocleidomastoid muscle samples were harvested from three canines. Muscle progenitor cells were isolated and cultured to 107 cells over 4 to 5 weeks, then implanted into right thyroarytenoid muscles after ipsilateral recurrent laryngeal nerve transection and repair. The left sides underwent the same nerve injury, but no cells were implanted. Laryngeal adductor force was measured pretreatment and again 6 months later, and the muscles were harvested for histology. RESULTS: Muscle progenitor cells were successfully cultured from all dogs. Laryngeal adductor force measurements averaged 60% of their baseline pretreatment values in nonimplanted controls, 98% after implantation with MPCs, and 128% after implantation with motor endplate-enhanced MPCs. Histology confirmed that the implanted MPCs survived, became integrated into thyroarytenoid muscle fibers, and were in close contact with nerve endings, suggesting functional innervation. CONCLUSION: Muscle progenitor cells were shown to significantly enhance adductor function in this pilot canine study. Patient-specific MPC implantation could potentially be used to improve laryngeal function in patients with vocal fold paresis/paralysis, atrophy, and other conditions. Further experiments are planned. LEVEL OF EVIDENCE: NA. Laryngoscope, 2017. PMID- 29219187 TI - Integrated molecular, biochemical, and physiological assessment unravels key extraction method mediated influences on rat neonatal cardiomyocytes. AB - Neonatal cardiomyocytes are instrumental for disease modeling, but the effects of different cell extraction methods on basic cell biological processes remain poorly understood. We assessed the influence of two popular methods to extract rat neonatal cardiomyocytes, Pre-plating (PP), and Percoll (PC) on cell structure, metabolism, and function. Cardiomyocytes obtained from PP showed higher gene expression for troponins, titin, and potassium and sodium channels compared to PC. Also, PP cells displayed higher levels of troponin I protein. Cells obtained from PC displayed higher lactate dehydrogenase activity and lactate production than PP cells, indicating higher anaerobic metabolism after 8 days of culture. In contrast, reactive oxygen species levels were higher in PP cells as indicated by ethidium and hydroxyethidium production. Consistent with these data, protein nitration was higher in PP cells, as well as nitrite accumulation in cell medium. Moreover, PP cells showed higher global intracellular calcium under basal and 1 mM isoprenaline conditions. In a calcium transient assessment under electrical stimulation (0.5 Hz), PP cells displayed higher calcium amplitude than cardiomyocytes obtained from PC and using a traction force microscope technique we observed that PP cardiomyocytes showed the highest relaxation. Collectively, we demonstrated that extraction methods influence parameters related to cell structure, metabolism, and function. Overall, PP derived cells are more active and mature than PC cells, displaying higher contractile function and generating more reactive oxygen species. On the other hand, PC derived cells display higher anaerobic metabolism, despite comparable high yields from both protocols. PMID- 29219188 TI - Toxicity trial of canine posterior cricoarytenoid intramuscular vincristine injections. AB - OBJECTIVES/HYPOTHESIS: In animal studies, intramuscular vincristine injections have been shown to block reinnervation of the denervated target muscle. This application could be used selectively to influence recovery patterns following injury of recurrent laryngeal nerves (RLNs). However, vincristine is currently Food and Drug Administration approved only for intravenous use. A formal toxicity trial of intramuscular injections was performed. STUDY DESIGN: Animal study. METHODS: Sixteen female canines underwent direct laryngoscopy with injection of moderate- (0.4 mg, n = 8) or high-dose (0.6 mg, n = 8) vincristine into the posterior cricoarytenoid (PCA) muscles. Plasma samples were collected at various time points postinjection and vincristine levels determined. At 24 hours (n = 7) or 14 days (n = 9) postinjection, animals were anesthetized and videolaryngoscopy documented vocal fold mobility and mucosal appearance. Adductor function was measured during stimulation of the RLN. Larynges were processed for histology. RESULTS: Fifteen minutes after injection, plasma vincristine levels averaged 10.2% +/- 6.7% of the intravenous maximum, suggesting about 90% of the vincristine remained within the PCA muscle. Plasma levels were usually below detectable limits within 24 hours. At the end points, all animals had grossly normal-appearing mucosa and full range of motion. Laryngeal adductor strength was normal in all cases. Histology showed moderate to severe acute inflammation in the submucosa only in the high-dose group at 24 hours. There was no necrosis of muscle or mucosa. CONCLUSIONS: Intramuscular vincristine injections into the canine PCA muscles resulted in no significant local toxicity, even at the maximum dose. It would be reasonable to evaluate this treatment strategy in a phase I human trial. LEVEL OF EVIDENCE: NA Laryngoscope, 128:E247-E250, 2018. PMID- 29219189 TI - Breast cancer diagnosis: Imaging techniques and biochemical markers. AB - Breast cancer is a complex disease which is found as the second cause of cancer associated death among women. Accumulating of evidence indicated that various factors (i.e., gentical and envirmental factors) could be associated with initiation and progression of breast cancer. Diagnosis of breast cancer patients in early stages is one of important aspects of breast cancer treatment. Among of various diagnosis platforms, imaging techniques are main diagnosis approaches which could provide valuable data on patients with breast cancer. It has been showed that various imaging techniques such as mammography, magnetic resonance imaging (MRI), positron-emission tomography (PET), Computed tomography (CT), and single-photon emission computed tomography (SPECT) could be used for diagnosis and monitoring patients with breast cancer in various stages. Beside, imaging techniques, utilization of biochemical biomarkers such as proteins, DNAs, mRNAs, and microRNAs could be employed as new diagnosis and therapeutic tools for patients with breast cancer. Here, we summarized various imaging techniques and biochemical biomarkers could be utilized as diagnosis of patients with breast cancer. Moreover, we highlighted microRNAs and exosomes as new diagnosis and therapeutic biomarkers for monitoring patients with breast cancer. PMID- 29219191 TI - The development of the human hyoid-larynx complex revisited. AB - OBJECTIVES/HYPOTHESIS: The hyoid-larynx complex is highly prone to anatomical variation. The etiology of anatomical variants such as Eagle's syndrome and the aberrant hyoid apparatus can be explained from embryonic development. Modern textbooks state that the hyoid bone body develops from the second and third pharyngeal arch cartilages, and that thyroid cartilage derives from the fourth and sixth arch cartilages. This description, however, is incompatible with various anatomical variants, and it is unclear whether it was based on observations in human embryos or on comparative embryology. STUDY DESIGN: 14 human embryos from the Carnegie collection between Carnegie stage 17 and 23 (42 60 days) were selected based on their histological quality. METHODS: Histological sections of the selected embryos were examined. Three-dimensional models were prepared in an interactive format. These anatomical models provide crucial spatial information and facilitate interpretation. RESULTS: We observed a less complicated development of the hyoid-larynx complex than is currently described in textbooks. The body of the hyoid bone originates from a single growth center, without overt contributions from second and third pharyngeal arch cartilages. The fourth and sixth arch cartilages were not detected in human embryos; the thyroid and cricoid cartilages develop as mesenchymal condensations in the neck region. CONCLUSIONS: Despite new research techniques, theories about hyoid-larynx complex development from the beginning of the 20th century have not been refuted properly and can still be found in modern literature. Based on observations in human embryos, we propose a new and relatively simple description of the development of the hyoid-larynx complex to facilitate better understanding of the etiology of anatomical variants. LEVEL OF EVIDENCE: NA Laryngoscope, 1829-1834, 2018. PMID- 29219192 TI - What is the appropriate timing for endoscopic and radiographic surveillance following treatment for sinonasal malignancies? PMID- 29219193 TI - The effect of horizontal and vertical furcation involvement on molar survival: A retrospective study. AB - BACKGROUND: Periodontal involvement of the furcation area (furcation involvement, FI) has been reported to confer molars a higher risk of tooth loss. AIMS: The aim of this retrospective analysis was to assess the effect of FI on disease progression and tooth loss in molars of patients with chronic periodontitis undergoing supportive periodontal therapy (SPT) in a UK private practice setting. MATERIALS AND METHODS: Six-hundred and thirty-three molars were analysed in 100 chronic periodontitis patients treated with active periodontal therapy (APT) and followed up in SPT for at least 5 years. Molars were treated with a combination of resective, regenerative or conservative approaches, according to the different clinical needs. RESULTS: Twenty-three molars were extracted during APT and a further 23 were lost during SPT. Multivariable analysis showed that both horizontal FI and vertical furcation component were associated with increased risk of tooth loss during SPT (OR 5.26, 95% CI: 1.46-19.03, p = .012 and OR 9.83, 95% CI: 1.83-50.11, p = .006, respectively). CONCLUSION: Attention should be placed on both horizontal and vertical FI in molars, owing to their association with tooth loss during SPT. PMID- 29219190 TI - Phenomenology, genetics, and CNS network abnormalities in laryngeal dystonia: A 30-year experience. AB - OBJECTIVE: Laryngeal dystonia (LD) is a functionally specific disorder of the afferent-efferent motor coordination system producing action-induced muscle contraction with a varied phenomenology. This report of long-term studies aims to review and better define the phenomenology and central nervous system abnormalities of this disorder and improve diagnosis and treatment. METHODS: Our studies categorized over 1,400 patients diagnosed with LD over the past 33 years, including demographic and medical history records and their phenomenological presentations. Patients were grouped on clinical phenotype (adductor or abductor) and genotype (sporadic and familial) and with DNA analysis and functional magnetic resonance imaging (fMRI) to investigate brain organization differences and characterize neural markers for genotype/phenotype categorization. A number of patients with alcohol-sensitive dystonia were also studied. RESULTS: A spectrum of LD phenomena evolved: adductor, abductor, mixed, singer's, dystonic tremor, and adductor respiratory dystonia. Patients were genetically screened for DYT (dystonia) 1, DYT4, DYT6, and DYT25 (GNAL)-and several were positive. The functional MRI studies showed distinct alterations within the sensorimotor network, and the LD patients with a family history had distinct cortical and cerebellar abnormalities. A linear discriminant analysis of fMRI findings showed a 71% accuracy in characterizing LD from normal and in characterizing adductor from abductor forms. CONCLUSION: Continuous studies of LD patients over 30 years has led to an improved understanding of the phenomenological characteristics of this neurological disorder. Genetic and fMRI studies have better characterized the disorder and raise the possibility of making objective rather than subjective diagnoses, potentially leading to new therapeutic approaches. Laryngoscope, 128:S1-S9, 2018. PMID- 29219194 TI - Natural Mentors, Social Class, and College Success. AB - Natural mentors provide advice, moral support, and assistance to adolescents who aspire to obtain a postsecondary degree, but past studies of the benefits of having an informal adult mentor have yet to resolve several issues. Our analyses of a national sample of high school graduates test three hypotheses: (H1) natural mentoring increases the odds of college attendance and completion, (H2) guidance and career advice are more important for college success than encouragement or role modeling, and (H3) students from poor and working-class families benefit more from mentoring than students from middle- and upper-class families. Hypotheses 1 and 3 are clearly supported when examining the odds of attending college, while Hypothesis 2 was not supported-encouragement and role modeling boost attendance, not advice or practical help. None of the hypotheses is supported when predicting degree completion among those who matriculated. As natural mentors do not appreciably increase the odds of completing college, we conclude past studies have overstated the postsecondary educational benefits of natural mentors. PMID- 29219195 TI - Dissecting the 17beta-estradiol pathways necessary for neuroglobin anti-apoptotic activity in breast cancer. AB - Neuroglobin (NGB) is a relatively recent discovered monomeric heme-protein, which behave in neurons as a sensor of injuring stimuli including oxidative stress, hypoxia, and neurotoxicity. In addition, the anti-apoptotic activity of overexpressed NGB has been reported both in neurons and in cancer cell lines. We recently demonstrated that, NGB functions as a compensatory protein of the steroid hormone 17beta-estradiol (E2) protecting cancer cells against the apoptotic death induced by oxidative stress. However, the E2-induced signaling pathways at the root of NGB over-expression and mitochondrial re-localization in breast cancer cells is still elusive. By using a kinase screening library, here, we report that: i) There is a strong positive correlation between NGB and ERalpha expression and activity in breast cancer cells; ii) The E2-activated phosphatidyl inositol 3 kinase (PI3K)/protein kinase B (AKT) and protein kinase C (PKC) pathways are necessary to modulate the NGB protein levels; iii) The E2-induced persistent activation of AKT drive NGB to mitochondria; iv) Reactive oxygen species (ROS)-inducing compounds activating rapidly and transiently AKT does not affect the NGB mitochondrial level; and v) High level of NGB into mitochondria are necessary for the pro-survival and anti-apoptotic effect of this globin in cancer cells. As a whole, these results underline the E2 triggered pathways in E2 responsive breast cancer cells that involve NGB as a compensatory protein devoted to cancer cell survival. PMID- 29219196 TI - Evaluation of efficacy of repeated decontamination and sterilization of single incision laparoscopic surgery ports intended for 1-time use. AB - OBJECTIVE: To determine the efficacy of repeated decontamination and sterilization of a disposable port intended for 1-time use during single-incision laparoscopy. STUDY DESIGN: Experimental; prospective, controlled design. METHODS: Six single-access ports used 4 times and 6 single-access ports used 8 times to perform various clean, minimally invasive surgeries were evaluated. Ports were decontaminated in an enzymatic cleaner (dilution, 3:100) and cleaned with a scrub brush for 5 minutes. The ports were then sterilized with hydrogen peroxide vapor for 50 minutes using a standard protocol at a concentration of 6 mg/L, followed by a vapor diffusion phase. Samples taken from the foam, insufflating tubing, and rigid cannula portion of each port were collected with aseptic technique for aerobic-anaerobic cultures. Port material samples were set up on a tryptic soy agar plate with 5% sheep blood, a MacConkey agar plate, and a Columbia agar plate with 5% sheep blood (CAP). Anaerobic isolate cultures were set up on Centers for Disease Control and Prevention (CDC) blood agar and CAP. RESULTS: None of the ports used 4 times had positive bacteriologic culture. Two of the ports used 8 times had a light growth of bacteria. The first positive sample cultured Staphylococcus spp. and Micrococcus spp. The second positive sample cultured Staphylococcus epidermidis. The positive cultures were obtained from the foam component in an enriched broth. CONCLUSION: Single-incision ports could be used safely 4 times and pose a low risk of infection to the patient under conditions of this study. PMID- 29219197 TI - Comparison of Ultrasound-Guided Percutaneous Polidocanol Injection Versus Percutaneous Ethanol Injection for Treatment of Benign Cystic Thyroid Nodules. AB - OBJECTIVES: We compared the efficacy, safety, and cost-effectiveness of ultrasound-guided percutaneous polidocanol injection and percutaneous ethanol injection for the treatment of benign cystic and predominantly cystic thyroid nodules. METHODS: A total of 135 cystic thyroid nodules treated by percutaneous ethanol injection and 136 cystic thyroid nodules treated by percutaneous polidocanol injection were enrolled retrospectively in this study from May 2010 to March 2016. The nodules were followed after 1, 3, 6, and 12 months. Nodule volumes, symptoms scores, and cosmetic scores were assessed before treatment and at follow-up. The therapeutic success rate, safety, and cost-effectiveness between the groups were also compared. RESULTS: No significant differences in the reduction of the nodule volume, volume reduction rate, and therapeutic success were observed between the groups with cystic and predominantly cystic thyroid nodules during follow-up (P > .05). Neither the cosmetic scores (P = .59; P = .42) nor the symptom scores (P = .32; P = .73) in the cystic and predominantly cystic nodules were significantly different between the groups at the last follow up. The complication rates for ethanol were higher than those for polidocanol (P < .05). However, the cost of polidocanol injection was higher than that of ethanol injection for cystic thyroid nodules (mean +/- SD, US$97.18 +/- US$22.17 versus US$43.36 +/- US$5.51; P < .01). CONCLUSIONS: Ultrasound-guided percutaneous polidocanol injection can be an alternative for sclerotherapy of cystic or predominantly cystic thyroid nodules. However, its cost was higher than that of percutaneous ethanol injection. PMID- 29219198 TI - Spontaneous neurotransmission: A form of neural communication comes of age. PMID- 29219199 TI - Variable transcriptional responsiveness of the P2X3 receptor gene during CFA induced inflammatory hyperalgesia. AB - The purinergic receptor P2X3 (P2X3-R) plays important roles in molecular pathways of pain, and reduction of its activity or expression effectively reduces chronic inflammatory and neuropathic pain sensation. Inflammation, nerve injury, and cancer-induced pain can increase P2X3-R mRNA and/or protein levels in dorsal root ganglia (DRG). However, P2X3-R expression is unaltered or even reduced in other pain studies. The reasons for these discrepancies are unknown and might depend on the applied traumatic intervention or on intrinsic factors such as age, gender, genetic background, and/or epigenetics. In this study, we sought to get insights into the molecular mechanisms responsible for inflammatory hyperalgesia by determining P2X3-R expression in DRG neurons of juvenile male rats that received a Complete Freund's Adjuvant (CFA) bilateral paw injection. We demonstrate that all CFA-treated rats showed inflammatory hyperalgesia, however, only a fraction (14-20%) displayed increased P2X3-R mRNA levels, reproducible across both sides. Immunostaining assays did not reveal significant increases in the percentage of P2X3-positive neurons, indicating that increased P2X3-R at DRG somas is not critical for inducing inflammatory hyperalgesia in CFA-treated rats. Chromatin immunoprecipitation (ChIP) assays showed a correlated (R2 = 0.671) enrichment of the transcription factor Runx1 and the epigenetic active mark histone H3 acetylation (H3Ac) at the P2X3-R gene promoter in a fraction of the CFA-treated rats. These results suggest that animal-specific increases in P2X3-R mRNA levels are likely associated with the genetic/epigenetic context of the P2X3-R locus that controls P2X3-R gene transcription by recruiting Runx1 and epigenetic co regulators that mediate histone acetylation. PMID- 29219201 TI - Comparing Physical Examination With Sonographic Versions of the Same Examination Techniques for Splenomegaly. AB - OBJECTIVES: To determine whether sonographic versions of physical examination techniques can accurately identify splenomegaly, Castell's method (Ann Intern Med 1967; 67:1265-1267), the sonographic Castell's method, spleen tip palpation, and the sonographic spleen tip technique were compared with reference measurements. METHODS: Two clinicians trained in bedside sonography patients recruited from an urban hematology clinic. Each patient was examined for splenomegaly using conventional percussion and palpation techniques (Castell's method and spleen tip palpation, respectively), as well as the sonographic versions of these maneuvers (sonographic Castell's method and sonographic spleen tip technique). Results were compared with a reference standard based on professional sonographer measurements. RESULTS: The sonographic Castell's method had greater sensitivity (91.7% [95% confidence interval, 61.5% to 99.8%]) than the traditional Castell's method (83.3% [95% confidence interval, 51.6% to 97.9%]) but took longer to perform [mean +/- SD, 28.8 +/- 18.6 versus 18.8 +/- 8.1 seconds; P = .01). Palpable and positive sonographic spleen tip results were both 100% specific, but the sonographic spleen tip method was more sensitive (58.3% [95% confidence interval, 27.7% to 84.8%] versus 33.3% [95% confidence interval, 9.9% to 65.1%]). CONCLUSIONS: Sonographic versions of traditional physical examination maneuvers have greater diagnostic accuracy than the physical examination maneuvers from which they are derived but may take longer to perform. We recommend a combination of traditional physical examination and sonographic techniques when evaluating for splenomegaly at the bedside. PMID- 29219200 TI - Prediction of Tubal Ectopic Pregnancy Using Offline Analysis of 3-Dimensional Transvaginal Ultrasonographic Data Sets: An Interobserver and Diagnostic Accuracy Study. AB - OBJECTIVES: To assess interobserver reproducibility in detecting tubal ectopic pregnancies by reading data sets from 3-dimensional (3D) transvaginal ultrasonography (TVUS) and comparing it with real-time 2-dimensional (2D) TVUS. METHODS: Images were initially classified as showing pregnancies of unknown location or tubal ectopic pregnancies on real time 2D TVUS by an experienced sonologist, who acquired 5 3D volumes. Data sets were analyzed offline by 5 observers who had to classify each case as ectopic pregnancy or pregnancy of unknown location. The interobserver reproducibility was evaluated by the Fleiss kappa statistic. The performance of each observer in predicting ectopic pregnancies was compared to that of the experienced sonologist. Women were followed until they were reclassified as follows: (1) failed pregnancy of unknown location; (2) intrauterine pregnancy; (3) ectopic pregnancy; or (4) persistent pregnancy of unknown location. RESULTS: Sixty-one women were included. The agreement between reading offline 3D data sets and the first real-time 2D TVUS was very good (80%-82%; kappa = 0.89). The overall interobserver agreement among observers reading offline 3D data sets was moderate (kappa = 0.52). The diagnostic performance of experienced observers reading offline 3D data sets had accuracy of 78.3% to 85.0%, sensitivity of 66.7% to 81.3%, specificity of 79.5% to 88.4%, positive predictive value of 57.1% to 72.2%, and negative predictive value of 87.5% to 91.3%, compared to the experienced sonologist's real-time 2D TVUS: accuracy of 94.5%, sensitivity of 94.4%, specificity of 94.5%, positive predictive value of 85.0%, and negative predictive value of 98.1%. CONCLUSIONS: The diagnostic accuracy of 3D TVUS by reading offline data sets for predicting ectopic pregnancies is dependent on experience. Reading only static 3D data sets without clinical information does not match the diagnostic performance of real time 2D TVUS combined with clinical information obtained during the scan. PMID- 29219202 TI - Disturbance of gut satiety peptide in purging disorder. AB - OBJECTIVE: Little is known about biological factors that contribute to purging after normal amounts of food-the central feature of purging disorder (PD). This study comes from a series of nested studies examining ingestive behaviors in bulimic syndromes and specifically evaluated the satiety peptide YY (PYY) and the hunger peptide ghrelin in women with PD (n = 25), bulimia nervosa-purging (BNp) (n = 26), and controls (n = 26). Based on distinct subjective responses to a fixed meal in PD (Keel, Wolfe, Liddle, DeYoung, & Jimerson, ), we tested whether postprandial PYY response was significantly greater and ghrelin levels significantly lower in women with PD compared to controls and women with BNp. METHOD: Participants completed structured clinical interviews, self-report questionnaires, and laboratory assessments of gut peptide and subjective responses to a fixed meal. RESULTS: Women with PD demonstrated a significantly greater postprandial PYY response compared to women with BNp and controls, who did not differ significantly. PD women also endorsed significantly greater gastrointestinal distress, and PYY predicted gastrointestinal intestinal distress. Ghrelin levels were significantly greater in PD and BNp compared to controls, but did not differ significantly between eating disorders. Women with BNp endorsed significantly greater postprandial hunger, and ghrelin predicted hunger. DISCUSSION: PD is associated with a unique disturbance in PYY response. Findings contribute to growing evidence of physiological distinctions between PD and BNp. Future research should examine whether these distinctions account for differences in clinical presentation as this could inform the development of specific interventions for patients with PD. PMID- 29219203 TI - Automated QT analysis on Holter monitors in pediatric patients can differentiate long QT syndrome from controls. AB - BACKGROUND: Borderline QTc is a common referral to the pediatric cardiology clinic. Evaluation is challenging due to significant overlap of normal and abnormal QTc ranges. We hypothesized that automated QT analysis on Holter could differentiate between patients with long QT syndrome (LQTS) and healthy controls. METHODS: We conducted a retrospective review of 39 patients with known genotype positive, phenotype-positive LQTS who underwent Holter monitoring between January 2010 and January 2016. They were compared 2:1 to age- and sex-matched controls. Automated QT analysis data were analyzed. RESULTS: Significant differences were found in all automated QT and QTc fields, except minimum QTc interval (P = 0.57). Mean QTc interval (LQTS 479 +/- 28 ms vs controls 429 +/- 16 ms; P <= 0.001) and percent QTc intervals (%QTc) >450 ms (LQTS 80 +/- 28% vs controls 14 +/- 16%; P <= 0.001) were selected for further analysis. A receiver operating characteristic curve was generated for each variable demonstrating high area under the curve values of 0.9494 and 0.9540, respectively. Threshold values of >=461 ms for mean QTc (sensitivity 79.49%, specificity 98.72%) and >=65% of %QTc >450 ms (sensitivity 79.49%, specificity 98.72%) allowed highly specific discrimination between cohorts (false positive rate 1.09%). Similarly, thresholds of <434 ms (sensitivity 97.44, specificity 61.54) for mean QTc and <32% (sensitivity 89.74, specificity 87.18) for %QTc >450 ms resulted in highly sensitive discrimination (false negative rates 2.17% and 8.7%). CONCLUSION: Holter monitor testing with automated QT analysis may be a useful tool to differentiate LQTS and control patients. PMID- 29219204 TI - Textile Inspired Lithium-Oxygen Battery Cathode with Decoupled Oxygen and Electrolyte Pathways. AB - The lithium-air (Li-O2 ) battery has been deemed one of the most promising next generation energy-storage devices due to its ultrahigh energy density. However, in conventional porous carbon-air cathodes, the oxygen gas and electrolyte often compete for transport pathways, which limit battery performance. Here, a novel textile-based air cathode is developed with a triple-phase structure to improve overall battery performance. The hierarchical structure of the conductive textile network leads to decoupled pathways for oxygen gas and electrolyte: oxygen flows through the woven mesh while the electrolyte diffuses along the textile fibers. Due to noncompetitive transport, the textile-based Li-O2 cathode exhibits a high discharge capacity of 8.6 mAh cm-2 , a low overpotential of 1.15 V, and stable operation exceeding 50 cycles. The textile-based structure can be applied to a range of applications (fuel cells, water splitting, and redox flow batteries) that involve multiple phase reactions. The reported decoupled transport pathway design also spurs potential toward flexible/wearable Li-O2 batteries. PMID- 29219205 TI - The iron-deficient rat as a model of restless legs syndrome: Was anything lost in translation? PMID- 29219206 TI - Neuroprotective Effects of Antioxidants in the Management of Neurodegenerative Disorders: A Literature Review. AB - It is proven that oxidative stress has a pivotal role in the process of neurodegeneration. The use of antioxidants is an attractive method to prevent the incidence of neurodegenerative diseases. We searched major databases (PubMed, Med Line and Google Scholar) using the keywords of neurodegeneration, oxidative stress, and antioxidant for both review and original studies which have reported the various beneficial effects of antioxidants. About 70 studies were identified for this review. Among various antioxidants, 9 antioxidants with the most applications in research investigations were selected and the major findings concerning their protective effects were reviewed. It is concluded that antioxidants can modify and re-adjust the oxidative stress in the biological milieu, elicit neuroprotective effects, and positively impact themanagement of neurodegenerative processes. This article is protected by copyright. All rights reserved. PMID- 29219207 TI - Motor complications in Parkinson's disease: Striatal molecular and electrophysiological mechanisms of dyskinesias. AB - Long-term levodopa (l-dopa) treatment in patients with Parkinson's disease (PD) is associated with the development of motor complications (ie, motor fluctuations and dyskinesias). The principal etiopathogenic factors are the degree of nigro striatal dopaminergic loss and the duration and dose of l-dopa treatment. In this review article we concentrate on analysis of the mechanisms underlying l-dopa induced dyskinesias, a phenomenon that causes disability in a proportion of patients and that has not benefited from major therapeutic advances. Thus, we discuss the main neurotransmitters, receptors, and pathways that have been thought to play a role in l-dopa-induced dyskinesias from the perspective of basic neuroscience studies. Some important advances in deciphering the molecular pathways involved in these abnormal movements have occurred in recent years to reveal potential targets that could be used for therapeutic purposes. However, it has not been an easy road because there have been a plethora of components involved in the generation of these undesired movements, even bypassing the traditional and well-accepted dopamine receptor activation, as recently revealed by optogenetics. Here, we attempt to unify the available data with the hope of guiding and fostering future research in the field of striatal activation and abnormal movement generation. (c) 2017 International Parkinson and Movement Disorder Society. PMID- 29219208 TI - LncRNA H19 promotes epithelial-mesenchymal transition (EMT) by targeting miR-484 in human lung cancer cells. AB - Recently, the long non-coding RNA (lncRNA) H19 has been identified as an oncogenic gene in multiple cancer types. However, the molecular basis for this observation has not been characterized in lung cancer, especially during epithelial mesenchymal transition (EMT) progression. Cell viability, migration, invasion, and apoptosis were measured using trypan blue exclusion assay, Transwell migration/invasion assay, and flow cytometry, respectively. Quantitative RT-PCR was used to measure relative expressions of H19, microR-484 (miR-484), and Rho associated coiled-coil containing protein kinase 2 (ROCK2). Western blot was used to measure expressions of apoptosis-, EMT-, and c-Jun N terminal kinase (JNK) pathway-related proteins. Luciferase reporter assay was used to identify the target of H19. H19 was highly expressed in both lung cancer tissues and cells. Suppression of H19 significantly decreased A549 cell viability, migration, and invasion, but promoted apoptosis. Overexpression of H19 promoted cell migration, invasion, and EMT process. miR-484 was a target of H19 and overexpression of it reversed the effects of H19 on EMT. miR-484 regulated the expression of ROCK2. Mechanistic study revealed that suppressing H19 decreased the expression of proteins in JNK pathway, and ROCK2 was the main downstream molecule of H19. H19 promoted EMT in lung cancer A549 cells by negatively regulating miR-484. PMID- 29219209 TI - Warfarin Use And the Risk Of Stroke, Bleeding, And Mortality In Older Adults On Dialysis With Incident Atrial Fibrillation. AB - AIM: There is conflicting evidence regarding the safety and effectiveness of warfarin for atrial fibrillation (AF) treatment among older end-stage renal disease (ESRD) patients, and differences among subgroups are unclear. METHODS: Older dialysis patients who were newly diagnosed with AF (7/2007-12/2011) were identified in the United States Renal Data System. The adjusted hazard ratios (HR) of the outcomes (any stroke, ischemic stroke, major bleeding, severe gastrointestinal bleeding, and death) by time-varying warfarin use were estimated using Cox regression accounting for the inverse probability of treatment weight. RESULTS: Among 5,765 older dialysis patients with incident AF, warfarin was associated with significantly increased risk of major bleeding (HR=1.50, 95% CI 1.33-1.68), but was not statistically associated with any stroke (HR=0.92, 95% CI 0.75-1.12), ischemic stroke (HR=0.88, 95%CI 0.70-1.11) or gastrointestinal bleeding (HR=1.03, 95% CI 0.80-1.32). Warfarin use was associated with a reduced risk of mortality (HR=0.72, 95%CI 0.65-0.80). The association between warfarin and major bleeding differed by sex (male: HR=1.29; 95%CI 1.08-1.55; female: HR=1.67; 95%CI 1.44-1.93; P-value for interaction=0.03). CONCLUSION: Older ESRD patients with AF who were treated with warfarin had a no difference in stroke risk, lower mortality risk, but increased major bleeding risk. The bleeding risk associated with warfarin was greater among women than men. The risk/benefit ratio of warfarin may be less favorable among older women. PMID- 29219211 TI - Homoepitaxial Growth of Large-Scale Highly Organized Transition Metal Dichalcogenide Patterns. AB - Controllable growth of highly crystalline transition metal dichalcogenide (TMD) patterns with regular morphology and unique edge structure is highly desired and important for fundamental research and potential applications. Here, single crystalline MoS2 flakes are reported with regular trigonal symmetric patterns that can be homoepitaxially grown on MoS2 monolayer via chemical vapor deposition. The highly organized MoS2 patterns are rhombohedral (3R)-stacked with the underlying MoS2 monolayer, and their boundaries are predominantly terminated by zigzag Mo edge structure. The epitaxial MoS2 crystals can be tailored from compact triangles to fractal flakes, and the pattern formation can be explained by the anisotropic growth rates of the S and Mo edges under low sulfur chemical potential. The 3R-stacked MoS2 pattern demonstrates strong second and third harmonic-generation signals, which exceed those reported for monolayer MoS2 by a factor of 6 and 4, correspondingly. This homoepitaxial growth approach for making highly organized TMD patterns is also demonstrated for WS2 . PMID- 29219210 TI - Bioenergetic regulation of microglia. AB - Microglia have diverse actions, ranging from synapse pruning in development to cytotoxic effects in disease. Brain energy metabolism and substrate availability vary under normal and disease states, but how these variations influence microglial function is relatively unknown. Microglia, like most other cell types, express the full complement of gene products required for both glycolytic and oxidative metabolism. Evidence suggests that microglia increase aerobic glycolysis and decrease respiration when activated by various stimuli. Mitochondrial function, glucose availability, and glycolytic rate influence pro inflammatory gene expression at both transcriptional and post-translational levels. These effects are mediated through CtBP, an NADH-sensitive transcriptional co-repressor; through effects on NLRP3 inflammasome assembly and caspase-1 activation; through formation of advanced glycation end-products; and by less well-defined mechanisms. In addition to these transcriptional effects, microglial glucose metabolism is also required for superoxide production by NADPH oxidase, as glucose is the obligate substrate for regenerating NADPH in the hexose monophosphate shunt. Microglia also metabolize acetoacetate and beta hydroxybutyrate, which are generated during fasting or ketogenic diet, and respond to these ketones as metabolic signals. beta-Hydroxybutyrate inhibits histone de-acetylases and activates microglial GRP109A receptors. These actions suppress microglia activation after brain injury and promote neuroprotective microglia phenotypes. As our understanding of microglial activation matures, additional links between energy metabolism and microglial function are likely to be identified. PMID- 29219212 TI - Host miRNAs are involved in hormonal regulation of HaSNPV-triggered climbing behaviour in Helicoverpa armigera. AB - Baculoviruses manipulate host climbing behaviour to ensure that the hosts die at elevated positions on host plants to facilitate virus proliferation and transmission, which is a process referred to as tree-top disease. However, the detailed molecular mechanism underlying tree-top disease has not been elucidated. Using transcriptome analysis, we showed that two hormone signals, juvenile hormone (JH) and 20-hydroxyecdysone (20E), are key components involved in HaSNPV induced tree-top disease in Helicoverpa armigera larvae. RNAi-mediated knockdown and exogenous hormone treatment assays demonstrated that 20E inhibits virus induced tree-top disease, while JH mediates tree-top disease behaviour. Knockdown of BrZ2, a downstream signal of JH and 20E, promoted HaSNPV-induced tree-top disease. We also found that two miRNAs target BrZ2 and are involved in the cross talk regulation between 20E and JH manipulating HaSNPV replication, time to death and HaSNPV-induced tree-top disease. PMID- 29219213 TI - Effect of a Pheromone on Stress-Associated Reactivation of Feline Herpesvirus-1 in Experimentally Inoculated Kittens. AB - BACKGROUND: Stress contributes to reactivation of feline herpesvirus-1 (FHV-1). The usage of pheromones to decrease stress in FHV-1 experimentally inoculated kittens has not previously been investigated. HYPOTHESIS/OBJECTIVES: To determine whether a feline pheromone would lessen stress, resulting in decreased recurrence of FHV-1-associated illness in kittens. ANIMALS: Twelve 5-month-old, purpose-bred kittens. METHODS: Randomized, double-blind, placebo-controlled clinical trial. Kittens previously infected with the same dose of FHV-1 were randomized into 2 separate but identical group rooms. After a 2-week equilibration period, a diffuser containing either the pheromone or placebo was placed in each of the rooms, and the kittens acclimated for an additional 2 weeks. Every 2 weeks thereafter, for the 8-week study period, housing was alternated between kennel- and group housing. Blinded observers applied a standardized clinical and behavioral scoring rubric daily. After each 2-week period, serum cortisol concentrations and quantitative PCR for FHV-1 and glyceraldehyde 3-phosphate dehydrogenase (GAPDH) ratios were evaluated. Clinical, behavioral, and laboratory test results were compared between groups within individual and combined study periods. RESULTS: Sneezing occurred more frequently in the placebo group during individual (P = 0.006) and combined study periods (P = 0.001). Sleep at the end of observation periods occurred more frequently in the pheromone group during individual (P = 0.006) and combined study periods (P < 0.001). CONCLUSIONS AND CLINICAL IMPORTANCE: The findings suggest that the pheromone decreased stress, and the decrease in stress response may have resulted in decreased sneezing associated with FHV-1. PMID- 29219214 TI - Whole exome sequencing identifies a germline MET mutation in two siblings with hereditary wild-type RET medullary thyroid cancer. AB - Whole exome sequencing (WES) was used to investigate two Italian siblings with wild-type RET genotype, who developed medullary thyroid cancers (MTCs) and, later, primary prostate and breast cancers, respectively. The proband's MTC harbored a p.Met918Thr RET mutation; his sister's MTC was RET/RAS wild-type. Both siblings had a germline mutation (p.Arg417Gln) in the extracellular Sema domain of the proto-oncogene MET. Experiments involving ectopic expression of MET p.Arg417Gln in MET-negative T47D breast cancer cells documented the mutant receptor's functionality and its ability to enhance cell migration and invasion. Our findings highlight a possible link between MET germline mutations and MTCs and suggest that MET p. Arg417Gln may promote an invasive malignant phenotype. The possibility that MTC can be driven/co-driven by a MET mutation has potential management implications, since the tyrosine-kinase inhibitor cabozantinib approved for treating advanced MTCs-is a specific MET inhibitor. PMID- 29219215 TI - Wound healing activity of Streptocaulon juventas root ethanolic extract. AB - Streptocaulon juventas is a well-known plant that has antimicrobial activity, in vitro antiplasmodial activity, anti-proliferative activity, and antioxidant activity. In this study, we showed experimental evidence that proved that S. juventas root ethanolic extract has wound healing activities. First, in a mouse excision wound model, S. juventas root ethanolic extract at a dose of 100 mg/kg/day significantly reduced the wound closure time. After 7 days, the wound granulation tissue in mice treated with the extract exhibited a 2.3-fold decrease in inflammatory cells, a 1.7-fold increase in fibroblasts and enhanced angiogenesis. Molecular analysis also revealed that after wounds were treated with S. juventas root ethanolic extract, TNF-alpha and NF-kappaB1 gene expression were down-regulated by 4.7 and 3.7 times, respectively. In contrast, TGF-beta1 and VEGF gene expression were up-regulated by 1.9 and 6.5 times, respectively. Taken together, our experimental data strongly show that the ethanolic extract from S. juventas root displays remarkable wound healing activity. PMID- 29219216 TI - Knockdown of long non-coding RNA XIST suppresses nasopharyngeal carcinoma progression by activating miR-491-5p. AB - Dysregulated long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) play key roles in the development and progression of human cancers. X-inactive specific transcript (XIST), an lncRNA, is known as an oncogene in multiple tumors. However, the roles of XIST and its related miRNAs in nasopharyngeal carcinoma (NPC) are poorly understood. In this study, we found that XIST expression was significantly upregulated in NPC tissues and cell lines. Knockdown of XIST inhibited NPC cell proliferation and invasion and induced apoptosis in vitro, as well as suppressed NPC tumor growth in vivo. Further analysis revealed that XIST and miR-491-5p interact with and repress each other. XIST may function as an endogenous miR-491-5p sponge to regulate the target gene of miR-491-5p. Taken together, these results provide a comprehensive view of the XIST/miR-491-5p axis in human NPC cells and may provide a new therapeutic target for treating NPC. PMID- 29219217 TI - Environmentally Friendly Solvent-Processed Organic Solar Cells that are Highly Efficient and Adaptable for the Blade-Coating Method. AB - The power conversion efficiencies (PCEs) of state-of-the-art organic solar cells (OSCs) have increased to over 13%. However, the most commonly used solvents for making the solutions of photoactive materials and the coating methods used in laboratories are not adaptable for future practical production. Therefore, taking a solution-coating method with environmentally friendly processing solvents into consideration is critical for the practical utilization of OSC technology. In this study, a highly efficient PBTA-TF:IT-M-based device processed with environmentally friendly solvents, tetrahydrofuran/isopropyl alcohol (THF/IPA) and o-xylene/1-phenylnaphthalene, is fabricated; a high PCE of 13.1% can be achieved by adopting the spin-coating method, which is the top result for OSCs. More importantly, a blade-coated non-fullerene OSC processed with THF/IPA is demonstrated for the first time to obtain a promising PCE of 11.7%; even for the THF/IPA-processed large-area device (1.0 cm2 ) made by blade-coating, a PCE of 10.6% can still be maintained. These results are critical for the large-scale production of highly efficient OSCs in future studies. PMID- 29219218 TI - Rotator cuff tendon assessment using magic-angle insensitive 3D ultrashort echo time cones magnetization transfer (UTE-Cones-MT) imaging and modeling with histological correlation. AB - BACKGROUND: Rotator cuff tendons (RCTs) are challenging to image due to the "magic angle effect" and their short T2 . PURPOSE: To assess the degree of magic angle sensitivity of human RCTs and to utilize a 3D ultrashort echo time Cones sequence with magnetization transfer preparation (UTE-Cones-MT) and two-pool quantitative MT modeling with histological correlation. We hypothesized that MT parameters would be less sensitive to the magic angle compared with conventional T2 measurements. STUDY TYPE: Prospective imaging pathologic correlation. SPECIMEN: Twenty cadaveric rotator cuff tendons were imaged at five sample orientations ranging from 0-90 degrees relative to the B0 field. FIELD STRENGTH/SEQUENCE: 3T/3D UTE-Cones-MT and Carr-Purcell-Meiboom-Gill (CPMG). ASSESSMENT: Two-pool quantitative MT modeling parameters and T2 values were calculated in regions of interest drawn by a medical physicist. Histopathological analysis was performed and mild and severe tendinopathy groups were assigned by a histopathologist and histotechnician. STATISTICAL TESTS: Coefficients of variations (CVs) were calculated for measures between the different orientations and group means were compared for each measure. RESULTS: CVs of T2 and macromolecular fractions between orientations were 26.14 +/- 16.82% and 6.18 +/- 2.77% (mean +/- SD), respectively. T2 measurements at 0 degrees , 27 degrees , 70 degrees , and 90 degrees showed significant differences between the two histological groups (P = 0.004, 0.008, 0.003, and 0.015, respectively), but not at 55 degrees (P = 0.611). Mean T2 value ranges between orientations for the mild and severe tendinopathy groups were 15.27-30.32 msec and 20.81-35.85 msec, respectively, showing overlap despite statistically significant differences (P = 0.003). Macromolecular fractions at all angles showed significant differences between the two groups (P < 0.0001). Mean fraction ranges between orientations for the mild and severe tendinopathy groups were 14.32-17.17% and 10.00-13.75% respectively (P < 0.0001) with no overlap. DATA CONCLUSION: Compared with T2 , macromolecular fraction obtained with the 3D UTE-Cones-MT technique is resistant to the magic angle effect and is more sensitive to RCT degeneration. LEVEL OF EVIDENCE: 1 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2017. PMID- 29219219 TI - Ultrahigh-Magnitude Brain Magnetic Resonance Imaging Scan on Rhesus Monkeys With Implanted Deep Brain Stimulation Hardware. AB - BACKGROUND: Patients with implanted deep brain stimulation (DBS) hardware are prohibited from undergoing magnetic resonance imaging (MRI) scans at magnitudes greater than 1.5 T to avoid potential MRI-related heating injury. Whether DBS devices are compatible with higher field MRI scanning is unknown. This study aimed to investigate whether 7.0 T and 3.0 T MRI scans can be safely performed on rhesus monkeys with implanted DBS devices. METHODS: Eight male rhesus monkeys were included in this study and stereotactically implanted with DBS devices in the left anterior thalamus. Two weeks after DBS device implantation, 7.0 T and 3.0 T MRI scans were performed. The monkeys were observed for 72 hours. After explantation of the DBS system, 7.0 T MRI was repeated to determine potential lesions. Hematoxylin and eosin staining and transmission electron microscopy were conducted to assess pathological alterations. RESULTS: In both groups, the monkeys exhibited no behavioral changes related to neurological deficits. Post explantation MRI showed no malacia foci surrounding the DBS tracks. Additionally, neither hematoxylin and eosin staining nor transmission electron microscopy showed clear injury near the DBS leads. CONCLUSION: These results indicate that no obvious heating injury was induced in the tissue surrounding the DBS leads by the 7.0 T and 3.0 T MRI scans. Although the results of this study may not be generalizable, these data suggest that patients with implanted DBS devices can undergo even 7.0 T MRI without risk of brain injury. PMID- 29219220 TI - Heart rate recovery fast-to-slow phase transition: Influence of physical fitness and exercise intensity. AB - BACKGROUND: Postexercise heart rate (HR) recovery presents an exponential decay, with two distinct phases: a fast phase, characterized by abrupt decay of HR, and determined by parasympathetic reactivation; and a slow phase, characterized by gradual decay of HR, and predominantly determined by sympathetic withdrawal. Although several methods have been proposed to assess postexercise HR recovery, none of those methods selectively assesses the time of transition from the fast to the slow phase of the HR recovery curve (HRRPT ), and the magnitude of decay prior to (HRRFP ) and after this point (HRRSP ). Therefore, the aim of the present study was to propose a method to identify HRRPT , HRRFP , and HRRSP and to verify the effects of exercise intensity and physical fitness on such parameters. METHODS: Ten healthy young participants (24 +/- 3 years; 23.6 +/- 1.7 kg/m2 ) randomly underwent two exercise sessions (30 min of cycling), at moderate (MI) and high intensity (HI); followed by 5 min of inactive recovery. HR was continuously recorded during the sessions. The algorithm for HRRPT analysis was written in Python and is freely available online. RESULTS: HRRPT and HRRSP were increased in HI session compared with MI (81 +/- 24 vs. 60 +/- 20 s; 8 +/- 10 vs. 1 +/- 5 bpm; p = .04), and there was no difference in HRRFP between sessions (49 +/- 15 vs. 46 +/- 10 bpm; p = .17). In addition, HRRPT for MI exercise session was significantly and negatively associated with VO2max (r = -0.85, p < .05). CONCLUSION: The method herein presented was sensitive to exercise intensity, and partially responsive to aerobic fitness. Next studies should perform the pharmacological and clinical validations of the method. PMID- 29219221 TI - Improved developmental competence in embryos treated with lycopene during in vitro culture system. AB - In vitro embryo development remains suboptimal compared to in vivo development due to the challenge from various stressors associated with in vitro culturing of oocytes. When 0.2 MUM lycopene was added to oocyte in vitro maturation and embryo culture media, to assess its antioxidant effects on embryo development, we observed a significant (p < 0.05) increase in cleavage and blastocyst development rates compared to the corresponding controls (84.3 +/- 0.6% vs. 73.1 +/- 1.9% and 41.0 +/- 1.4% vs. 33.4 +/- 0.7%, respectively). Lycopene also significantly reduced (p < 0.05) intracellular reactive oxygen species concentrations in oocytes and blastocysts, whereas lipid peroxidation and mitochondrial activity increased compared to control conditions. The number of apoptotic nuclei was significantly reduced in the lycopene-treated compared to the control group (1.7 +/- 0.1 vs. 4.7 +/- 0.3), and the quantity of cells in the trophectoderm (207.1 +/- 1.6 vs. 171.3 +/- 1.0, respectively) and inner cell mass (41.9 +/- 0.4 vs. 36.7 +/- 0.4, respectively) was higher following treatment-although the inner cell mass-to-trophectoderm ratio was unchanged (1:3.3 vs. 1:3.4 for lycopene vs. control, respectively). Lycopene supplementation also significantly (p < 0.05) attenuated expression of IKBKB (Inhibitor of nuclear factor kappa B kinase, subunit beta) and reduced Caspase 9 and Caspase 3 protein abundance, while up regulating GDF9 (Growth and differentiation factor 9), BMP15 (Bone morphogenetic protein 15), SOD2 (Superoxide dismutase 2), NDUFA2 (NADH dehydrogenase), ACADL (Acyl-CoA dehydrogenase, long chain), and ACSL3 (Acyl-CoA synthetase 3, long chain membrane 3) transcription compared to control. Therefore, co-culturing with lycopene during oocyte maturation improved bovine embryo developmental potential during in vitro culture by improving embryonic resilience to stress. PMID- 29219222 TI - Evidence for a Cooperative Mechanism Involving Two Palladium(0) Centers in the Oxidative Addition of Iodoarenes. AB - Oxidative addition of iodoarenes (ArI) to Pd0 ligated by 1-methyl-1H-imidazole (mim) in polar solvents leads to cationic arylpalladium(II) complexes [ArPd(mim)3 ]+ . Kinetic analyses evidence that this reaction is second order with respect to the concentration of Pd0 , and a mechanism involving the cooperative intervention of two Pd0 centers has been postulated to explain this finding. This unusual behavior is also observed with other nitrogen-containing ligands and it is general for iodobenzenes substituted with electron-donating or weakly electron withdrawing groups. In contrast, bromoarenes and electron-poor iodoarenes display first-order kinetics with respect to Pd0 . Theoretical calculations performed at the density functional theory (DFT) level suggest the existence of mim-ligated ArI-Pd0 complexes, in which the iodoarene is bound to the metal in a halogen-bond like fashion. Coordination weakens the C-I bond and facilitates the oxidative insertion of another Pd0 center across this C-I bond. This conceptually novel mechanism, involving the cooperative participation of two distinct metal centers, allows a full explanation of the experimentally observed kinetics. PMID- 29219223 TI - Benzothiazole-Based Cycloplatinated Chromophores: Synthetic, Optical, and Biological Studies. AB - Cycloplatinated complexes based on 2-(4-substituted)benzothiazole ligands of type [Pt(R-PBT-kappaC,N)Cl(L)] (PBT=2-phenylbenzothiazole; R=Br (1), Me2 N (2); L=dimethyl sulfoxide (DMSO; a), 1,3,5- triaza-7-phosphaadamantane (PTA; b), triphenylphosphine 3,3',3''-trisulfonate (TPPTS; c)) and [Pt(Br-PBT kappaC)Cl(PTA)2 ] (3) are presented. On the basis of the photophysical data and time-dependent (TD)-DFT calculations (1 a and 2 a), the low-lying transitions (absorption and emission) were associated with ligand-center (LC) charge transfer, with minor metal-to-ligand charge transfer (MLCT), and intraligand charge transfer (ILCT) [Me2 N-PBT->PBT] excited states, respectively. Simultaneous fluorescence/phosphorescence bands were found in fluid solutions (and also in the solid state for 2 a), which become dominated by triplet emission bands in rigid media at 77 K. The effect of the concentration on emissive behavior of 2 a, b indicated the occurrence of aggregation-induced luminescence properties related to the occurrence of metal-metal and pi???pi interactions, which are more enhanced in 2 a because of the less bulky DMSO ligand. The behavior of 2 a toward para-toluenesulfonic acid (PTSA) in aerated acetonitrile and to hydrogen chloride gas in the solid state has been evaluated, thus showing a clear reversible change between the 1 ILCT and 3 LC/3 MLCT states due to protonation of the NMe2 group (theoretical calculations on 2 a-H+ ). Solid 2 a undergoes a surprising oxidation of the PtII center to PtIV with concomitant deoxygenation of DMSO, under prolonged reaction with hydrogen chloride gas to afford the PtIV /dimethyl sulfide complex (mer-[Pt(Me2 N-PBT-kappaC,N)Cl3 (SMe2 )]; mer-4), which evolves in solution to fac-4, as confirmed by X-ray studies. Cytotoxic activity studies on A549 and HeLa cell lines indicated cytotoxic activity of 1 b and 2 a, b. In addition, fluorescent cell microscopy revealed cytoplasmic staining, more visible in perinuclear areas. Inhibition of tubulin polymerization by 1 b in both cells is presented as a preliminary mechanism of its cytotoxic action. PMID- 29219224 TI - The effects of pastoral intensification on the feeding interactions of generalist predators in streams. AB - Land-use change can alter trophic interactions with wide-ranging functional consequences, yet the consequences for aquatic food webs have been little studied. In part, this may reflect the challenges of resolving the diets of aquatic organisms using classical gut contents analysis, especially for soft bodied prey. We used next-generation sequencing to resolve prey use in nearly 400 individuals of two predatory invertebrates (the Caddisfly, Rhyacophila dorsalis, and the Stonefly Dinocras cephalotes) in streams draining land with increasingly intensive livestock farming. Rhyacophila dorsalis occurred in all streams, whereas D. cephalotes was restricted to low intensities, allowing us to test whether: (i) apparent sensitivity to agriculture in the latter species reflects a more specialized diet and (ii) diet in R. dorsalis varied between sites with and without D. cephalotes. DNA was extracted from dissected gut contents, amplified without blocking probes and sequenced using Ion Torrent technology. Both predators were generalists, consuming 30 prey taxa with a preference for taxa that were abundant in all streams or that increased with intensification. Where both predators were present, their diets were nearly identical, and R. dorsalis's diet was virtually unchanged in the absence of D. cephalotes. The loss of D. cephalotes from more intensive sites was probably due to physicochemical stressors, such as sedimentation, rather than to dietary specialization, although wider biotic factors (e.g., competition with other predatory taxa) could not be excluded. This study provides a uniquely detailed description of predator diets along a land-use intensity gradient, offering new insights into how anthropogenic stressors affect stream communities. PMID- 29219225 TI - DCE-MRI texture analysis with tumor subregion partitioning for predicting Ki-67 status of estrogen receptor-positive breast cancers. AB - BACKGROUND: Breast tumor heterogeneity is related to risk factors that lead to worse prognosis, yet such heterogeneity has not been well studied. PURPOSE: To predict the Ki-67 status of estrogen receptor (ER)-positive breast cancer patients via analysis of tumor heterogeneity with subgroup identification based on patterns of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). STUDY TYPE: Retrospective study. POPULATION: Seventy-seven breast cancer patients with ER-positive breast cancer were investigated, of whom 51 had low Ki-67 expression. FIELD STRENGTH/SEQUENCE: T1 -weighted 3.0T DCE-MR images. ASSESSMENT: Each tumor was partitioned into multiple subregions using three methods based on patterns of dynamic enhancement: 1) time to peak (TTP), 2) peak enhancement rate (PER), and 3) kinetic pattern clustering (KPC). In each tumor subregion, 18 texture features were computed. STATISTICAL TESTING: Univariate and multivariate logistic regression analyses were performed using a leave-one-out-based cross validation (LOOCV) method. The partitioning results were compared with the same feature extraction methods across the whole tumor. RESULTS: In the univariate analysis, the best-performing feature was the texture statistic of sum variance in the tumor subregion with early TTP for differentiating between patients with high and low Ki-67 expression (area under the receiver operating characteristic curves, AUC = 0.748). Multivariate analysis showed that features from the tumor subregion associated with early TTP yielded the highest performance (AUC = 0.807) among the subregions for predicting the Ki-67 status. Among all regions, the tumor area with high PER at a precontrast MR image achieved the highest performance (AUC = 0.722), while the subregion that exhibited the highest overall enhancement rate based on KPC had an AUC of 0.731. These three models based on intratumoral texture analysis significantly (P < 0.01) outperformed the model using features from the whole tumor (AUC = 0.59). DATA CONCLUSION: Texture analysis of intratumoral heterogeneity has the potential to serve as a valuable clinical marker to enhance the prediction of breast cancer prognosis. LEVEL OF EVIDENCE: 4 Technical Efficacy: Stage 3 J. Magn. Reson. Imaging 2017. PMID- 29219226 TI - Getting there and around: Host range oscillations during colonization of the Canary Islands by the parasitic nematode Spauligodon. AB - Episodes of expansion and isolation in geographic range over space and time, during which parasites have the opportunity to expand their host range, are linked to the development of host-parasite mosaic assemblages and parasite diversification. In this study, we investigated whether island colonization events lead to host range oscillations in a taxon of host-specific parasitic nematodes of the genus Spauligodon in the Canary Islands. We further investigated whether range oscillations also resulted in shifts in host breadth (i.e., specialization), as expected for parasites on islands. Parasite phylogeny and divergence time estimates were inferred from molecular data with Bayesian methods. Host divergence times were set as calibration priors after a priori evaluation with a global-fit method of which individual host-parasite associations likely represent cospeciation links. Parasite colonization history was reconstructed, followed by an estimation of oscillation events and specificity level. The results indicate the presence of four Spauligodon clades in the Canary Islands, which originated from at least three different colonization events. We found evidence of host range oscillations to truly novel hosts, which in one case led to higher diversification. Contemporary host parasite associations show strong host specificity, suggesting that changes in host breadth were limited to the shift period. Lineages with more frequent and wider taxonomic host range oscillations prior to the initial colonization event showed wider range oscillations during colonization and diversification within the archipelago. Our results suggest that a lineage's evolutionary past may be the best indicator of a parasite's potential for future range expansions. PMID- 29219227 TI - Rhodium-Catalyzed Cyclization of O,omega-Unsaturated Alkoxyamines: Formation of Oxygen-Containing Heterocycles. AB - O,omega-Unsaturated N-tosyl alkoxyamines undergo unexpected RhIII -catalyzed intramolecular cyclization by oxyamination to produce oxygen-containing heterocycles. Mechanistic studies show that an aziridine intermediate seems to be responsible for the formation of the heterocycles, possibly via a RhV species. PMID- 29219228 TI - Structure and function of yeast and fungal Na+ /H+ antiporters. AB - Sodium proton antiporters (or sodium proton exchangers [NHEs]) are a critical family of membrane proteins that exchange sodium for protons across cell membranes. In yeast and plants, their primary function is to keep the sodium concentration low inside the cytoplasm. One class of NHE constitutively expressed in yeast is the plasma membrane Na+ /H+ antiporter, and another class is expressed on the endosomal/vacuolar membrane. At present, four bacterial plasma membrane antiporter structures are known and nuclear magnetic resonance structures are available for the membrane spanning transmembrane helices of mammalian and yeast NHEs. Additionally, a vast amount of mutational data are available on the role of individual amino acids and critical motifs involved in transport. We combine this information to obtain a more detailed picture of the yeast NHE plasma membrane protein and review mechanisms of transport, conserved motifs, unique residues important in function, and regulation of these proteins. The Na+ /H+ antiporter of Schizosaccharomyces pombe, SpNHE1, is an interesting model protein in an easy to study system and is representative of fungal Na+ /H+ antiporters. (c) IUBMB Life, 70(1):23-31, 2018. PMID- 29219229 TI - Characterisation of CYP102A25 from Bacillus marmarensis and CYP102A26 from Pontibacillus halophilus: P450 Homologues of BM3 with Preference towards Hydroxylation of Medium-Chain Fatty Acids. AB - Cytochrome P450 monooxygenases are highly desired biocatalysts owing to their ability to catalyse a wide variety of chemically challenging C-H activation reactions. The CYP102A subfamily of enzymes are natural catalytically self sufficient proteins consisting of a haem and FMN-FAD reductase domain fused in a single-component system. They catalyse the oxygenation of saturated and unsaturated fatty acids to produce primarily omega-1, omega-2 and omega-3 hydroxy acids. These monooxygenases have potential applications in biotechnology; however, their substrate range is still limited and there is a continued need to add diversity to this class of biocatalysts. Herein, we present the characterisation of two new members of this class of enzymes, CYP102A25 (BMar) from Bacillus marmarensis and CYP102A26 (PHal) from Pontibacillus halophilus, both of which express readily in a recombinant bacterial host. BMar exhibits the highest activity toward myristic acid and shows moderate activity towards unsaturated fatty acids. PHal exhibits broader activity towards mid-chain saturated (C14 -C18 ) and unsaturated fatty acids. Furthermore, PHal shows good regioselectivity for the hydroxylation of myristic acid, targeting the omega-2 position for C-H activation. PMID- 29219230 TI - Similar length of colon is removed regardless of localization in right-sided colonic cancer surgery. AB - BACKGROUND: Colorectal cancers represent a heterogenous group of tumours. While left segmental colectomy is an accepted and oncologically safe practice for left sided colonic cancer (CC), some authors suggest that limited segmental resection of right-sided cancer should be debated in order to preserve length of the resected colon. To our knowledge, caecum and ascending CC have not been analysed as different groups of tumours. The objective of this study was to assess if, retrospectively, surgical treatment of caecal cancer differed from ascending CC. METHODS: A review of all consecutive patients with right colonic resection for cancer admitted to the University hospital of Grenoble from January 2005 to August 2016 was performed. Length of resected colon was compared between caecal primary and ascending CC. Other technical and pathological aspects were analysed such as minimal invasive surgery and number of harvested lymph nodes from anatomic specimens. RESULTS: Among operated patients, tumour was localized pre operatively on caecum in 110 cases and on the right ascending colon in 119 cases. Pre-operative localization had no effect on resected colon length (mean 24.5 cm, 24 +/- 10.34 versus 25 cm +/- 7.28, P = 0.95), on the number of harvested lymph nodes with a mean of 15 (+/-7.6) nodes in the caecal group versus 15.2 (+/-7.3) (P = 0.72). We noticed 15 cases of discordance between pre- and post-operative localization (4 versus 11, P = 0.08). CONCLUSION: Length of resected colon does not differ depending on localization of tumour in our center. PMID- 29219231 TI - Laboratory exercise for studying the morphology of heat-denatured and amyloid aggregates of lysozyme by atomic force microscopy. AB - To facilitate learning advanced instrumental techniques, essential tools for visualizing biomaterials, a simple and versatile laboratory exercise demonstrating the use of Atomic Force Microscopy (AFM) in biomedical applications was developed. In this experiment, the morphology of heat-denatured and amyloid type aggregates formed from a low-cost and well-characterized model protein, hen egg white lysozyme (HEWL), are compared. Structural differences between the amorphous and ordered particles are quantified using ImageJ for the analysis of AFM images as a postlaboratory assignment. The laboratory exercise allows the direct observation of changes in the protein structure and helps students to understand the operation of AFM, as well as protein folding and misfolding related to many physiological and pathological processes. The described protocol stands alone, but also fits well into a larger module on protein structure and function or microscopic techniques as it can be linked easily to existing laboratory exercises on these topics. It can be easily adapted to the upper level undergraduate laboratory courses with limited lab hours as well as graduate level courses to improve students' research skills. (c) 2017 by The International Union of Biochemistry and Molecular Biology, 46(2):162-171, 2018. PMID- 29219232 TI - FastFeedback Questions: A new teaching method. AB - In Australian Universities, based on a study from 1992 to 2014, the Feedback item has been consistently poorly rated by students. In addition, Biochemistry is a complex STEM subject which many students find difficult and was considered the hardest subject according to a recent study by Antigua medical school in the United States. In this work, a new and interactive teaching method, FastFeedback Questions (FFQs), has been devised. FFQs are a rapid formative feedback method that involves embedding carefully crafted focus questions alongside PowerPoint slides (outside the slide field). The PPT is then projected as usual, but not in slide show mode, so the areas outside the main slide window are visible to the students. Prior to the lecture students receive a version without the answers. During the face-to-face lecture, the lecturer goes through the answers in an interactive way by requesting that students answer the FFQs, which can be verified immediately from the PPT slide. The focus questions not only increase students' understanding of the slides, they also model good answers. FFQs were delivered to the students of third year clinical biochemistry at Curtin University. Number of students in this study, n = 311. The final exam marks support the use of FFQs as there is an overall improvement of the student average grade by ~10% from ~63% in 2010-2014 (no FFQs) to ~72.6% in 2015-2017 (FFQs). FFQs have also gained the accolade of the students as their feedback was on average ~97% compared to ~80.5% for the Faculty and University. (c) 2017 by The International Union of Biochemistry and Molecular Biology, 46(2):121-129, 2018. PMID- 29219233 TI - IPAWS: The International Paramedic Anxiety Wellbeing and Stress study. PMID- 29219234 TI - Atypical case of hyaluronidase allergy with orbital compartment syndrome and visual loss. PMID- 29219235 TI - Catalysis of Carbon Dioxide Photoreduction on Nanosheets: Fundamentals and Challenges. AB - The transformation of CO2 into fuels and chemicals by photocatalysis is a promising strategy to provide a long-term solution to mitigating global warming and energy-supply problems. Achievements in photocatalysis during the last decade have sparked increased interest in using sunlight to reduce CO2 . Traditional semiconductors used in photocatalysis (e.g. TiO2 ) are not suitable for use in natural sunlight and their performance is not sufficient even under UV irradiation. Some two-dimensional (2D) materials have recently been designed for the catalytic reduction of CO2 . These materials still require significant modification, which is a challenge when designing a photocatalytic process. An overarching aim of this Review is to summarize the literature on the photocatalytic conversion of CO2 by various 2D materials in the liquid phase, with special attention given to the development of novel 2D photocatalyst materials to provide a basis for improved materials. PMID- 29219236 TI - A Step Closer to Metal-Free Dinitrogen Activation: A New Chapter in the Chemistry of Frustrated Lewis Pairs. AB - The end of the metal age: Recent developments in small-molecule activation and chemical transformations of main-group species pose the question as to whether metal catalysts could be avoided altogether in the activation of dinitrogen. A ground-breaking study by Stephan and co-workers clearly implies that the metal free activation of N2 with frustrated Lewis pairs may be achievable in the not too-distant future. PMID- 29219237 TI - The Common Intermediates of Oxygen Evolution and Dissolution Reactions during Water Electrolysis on Iridium. AB - Understanding the pathways of catalyst degradation during the oxygen evolution reaction is a cornerstone in the development of efficient and stable electrolyzers, since even for the most promising Ir based anodes the harsh reaction conditions are detrimental. The dissolution mechanism is complex and the correlation to the oxygen evolution reaction itself is still poorly understood. Here, by coupling a scanning flow cell with inductively coupled plasma and online electrochemical mass spectrometers, we monitor the oxygen evolution and degradation products of Ir and Ir oxides in situ. It is shown that at high anodic potentials several dissolution routes become possible, including formation of gaseous IrO3 . On the basis of experimental data, possible pathways are proposed for the oxygen-evolution-triggered dissolution of Ir and the role of common intermediates for these reactions is discussed. PMID- 29219238 TI - Coronary balloon catheter tip damage. A bench study of a clinical problem. AB - OBJECTIVES: To confirm clinically that coronary balloon catheter tips may be damaged during bifurcation treatment with side-branch access through the side of a stent. On the bench, we aimed to assess the susceptibility of different balloon designs to damage. We compared catheter tip widths. We tested whether balloon tip flaring can cause stent distortion. BACKGROUND: We had observed that balloon catheters that failed to cross to a side-branch frequently exhibited tip damage. METHODS AND RESULTS: We examined microscopically for damage 82 balloon tips after clinical side-branch access. In a bench study, the forces required to compress catheter tips 0.5 mm were compared to assess susceptibility to damage. We compared tip widths of balloons of different nominal inflation diameters. We examined stents after side-branch access for distortion. In 42 of 48 (88%) of balloon tips from patients with resistance to or failure to cross through the side of a stent there was tip damage. Even when the balloon crossed without perceptible resistance, tip damage occurred in over half of balloons 18/34 (53%). Some balloon designs were more resistant to damage than others. Tips from balloons of different nominal diameters from the same manufacturer had the same width. Stent distortion caused by damaged balloon tips is improved by kissing balloon post-dilatation. CONCLUSIONS: Balloon tip damage is common with crossing between stent struts. This is one cause of failure of a balloon to access a side branch and a new balloon should be used. If stent distortion is suspected, it should be corrected with kissing balloon post-dilatation. PMID- 29219239 TI - Few-Layered Black Phosphorus: From Fabrication and Customization to Biomedical Applications. AB - As a new kind of 2D material, black phosphorus has gained increased attention in the past three years. Although few-layered black phosphorus nanosheets (BPs) degrade quickly under ambient conditions to phosphate anions, which greatly hampers their optical and electronic applications, this property also makes BPs highly biocompatible and biodegradable, and is regarded as an advantage for various biomedical applications. This Concept summarizes the state-of-art progresses of BPs, from fabrication and surface modification to biomedical applications. It is expected that BPs with such fascinating properties will encourage more scientists to engage in expanding its biomedical applications by tackling the scientific challenges involved in their development. PMID- 29219240 TI - Comment on "Retinal pulse wave velocity measurement using spectral-domain optical coherence tomography". AB - This paper comments on the article "Retinal pulse wave velocity measurement using spectral-domain optical coherence tomography" by Qian Li et al. The authors propose a method to determine the pulse wave velocity in retinal arteries and veins. This method should enable a noninvasive determination of biomechanical properties of the vessel network, particularly the elasticity of the vessel walls. Although the observations the authors made might seem reasonable at first glance, they are in fact highly surprising and contradictory to theoretical predictions and previously published results. PMID- 29219241 TI - Incidental finding of arteria lusoria during transradial coronary catheterization: Significance in interventional cardiology. AB - Arteria lusoria is the most common anomaly of the aortic arch with an incidence of 0.5%-2.5%. It is mostly diagnosed incidentally while performing imaging for evaluation of other unrelated medical conditions. The aberrant right subclavian artery arises beyond the origin of the left subclavian artery from the aortic arch. This results in a complex right-subclavian-aortic anatomy which leads to difficulty in transradial coronary angiography. This can lead to prolonged procedure time and increased use of catheters by unaware interventionists. This is even more important if this is encountered in the setting of an acute myocardial infarction. Our review takes into account clinical significance of this uncommon anomaly in the field of interventional cardiology. PMID- 29219242 TI - Behavioural assessment unit improves outcomes for patients with complex psychosocial needs. AB - OBJECTIVE: We aimed to assess the impact of a new model of care for patients presenting to the ED with acute behavioural disturbance. METHODS: This pre-/post intervention study involved creating a dedicated, highly resourced six bed unit, the behavioural assessment unit (BAU). Co-located with the ED at the Royal Melbourne Hospital, the unit was designed to fast-track the admission of patients affected by intoxication, mental illness or psychosocial crisis and provide front loaded interventions. RESULTS: In 12 months from 1 April 2016, 2379 patients were admitted to the BAU. They were compared with a similar cohort of 3047 patients from the entire 2015 ED population. The BAU resulted in a decreased wait to be seen (40 min [interquartile range (IQR): 17-86] vs 68 min [IQR: 24-130], P < 0.001), a decreased wait for a mental health review (117 min [IQR: 49-224] vs 139 min [IQR: 57-262], P = 0.001) and a decreased ED length of stay (180 min [IQR: 101-237] vs 328 min [IQR: 227-534], P < 0.001). Patients admitted to the BAU were less likely to have a security code (349 (14.7%) vs 538 (17.7%), P = 0.003) and less likely to have mechanical restraint (156 episodes (6.6%) vs 275 (9.0%), P < 0.001) or therapeutic sedation (156 episodes (6.6%) vs 250 (8.2%), P < 0.001). CONCLUSION: A unit specifically designed to improve the care of patients requiring prolonged ED care due to mental illness and/or intoxication reduces the time spent in the ED and the use of some restrictive interventions. We recommend this model of care to EDs that care for this complex and challenging group of patients. PMID- 29219243 TI - Genetic polymorphism of human leucocyte antigen and susceptibility to multidrug resistant and rifampicin-resistant tuberculosis in Han Chinese from Hubei Province. AB - We determined the high-resolution allele and haplotype frequencies at the human leucocyte antigen (HLA)A, B and DRB1 loci in the Han population of Hubei province, the TB endemic area of Central China, with pulmonary tuberculosis (PTB), and established the relationship between HLA-A, B and DRB1 alleles as well as haplotypes and susceptibility to multidrug-resistant and rifampicin-resistant tuberculosis (MDR/RR-TB). Blood samples were drawn from 174 patients with MDR/RR TB and 838 patients with drug-susceptible PTB in ethnic Han population from Hubei province (central China). Four-digit allele genotyping of HLA- A, B and DRB1 loci was performed using polymerase chain reaction with sequence-specific oligonucleotide probes (PCR- SSOP). The allele and haplotype frequencies of HLA A, B and DRB1 were determined and compared between patients with MDR/RR-TB and patients with drug-susceptible PTB. Statistical analysis of the generated data indicated no departure from expectation of Hardy-Weinberg equilibrium (HWE) at all loci of the control group. Multivariate analysis identified allele DRB1*08:01 (p < .0001; OR = 174.5, 95% CI 15.3-1987.2) as independent predictor of MDR/RR TB, except for old age (p < .0001; OR = 10. 9, 95% CI 7.6-15.8), previous treatment history (p < .0001; OR = 11.0, 95% CI 7.2-16.7) and poor compliance to treatment (p < .0001; OR = 12.9, 95% CI 8.4-20.0). While in the subgroup of new TB cases, DRB1*08:01 (p < .0001; OR = 80.3, 95% CI 7.0-917.1) and older age (p < .0001; OR = 3.9, 95% CI 2.4-6.4) were independent susceptibility factors for primary MDR/RR-TB. Our results suggest that a combination of clinical and host genetic information about tuberculosis patients may contribute to prediction and early detection of MDR/RR-TB. PMID- 29219244 TI - "Click" on PLGA-PEG and hyaluronic acid: Gaining access to anti-leishmanial pentamidine bioconjugates. AB - Pentamidine (Pent), an antiparasitic drug used for the treatment of visceral leishmaniasis, has been modified with terminal azide groups and conjugated to two different polymer backbones (PLGA-PEG [PP] copolymer and hyaluronic acid [HA]) armed with alkyne end-groups. The conjugation has been performed by Copper Catalyzed Azido Alkyne Cycloaddition (CuAAC) using CuSO4 /sodium ascorbate as metal source. The novel PP-Pent and HA-Pent bioconjugates are proposed, respectively, as non-targeted and targeted drug delivery systems against Leishmania infections. Moreover, Pent has been encapsulated into PP nanoparticles by the oil-in-water emulsion method, with the aim to compare the biological activity of the bioconjugates with that of the classical drug-loaded delivery system that physically entraps the therapeutic agent. Biological assays against Leishmania infantum amastigote-infected macrophages and primary macrophages revealed that Pent, either covalently conjugated with polymers or loaded into polymeric nanoparticles, turned out to be more potent and less toxic than the free Pent. (c) 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2778-2785, 2018. PMID- 29219245 TI - Behavior profiles of children with autism spectrum disorder in kindergarten: Comparison with other developmental disabilities and typically developing children. AB - : Monitoring behavior patterns that may be specific to autism spectrum disorder (ASD) at a population level has the potential to improve the allocation of intervention strategies and reduction of the burden of the disease. In Ontario, Canada, developmental data are regularly collected for all kindergarten children with the Early Development Instrument (EDI), a teacher-completed questionnaire that provides information on children's status in five domains: physical, social, emotional, language/cognitive, and communication/general knowledge. Our main research questions are: (a) are there differences in kindergarten EDI domain scores between children who are diagnosed with ASD by Grade 3 and those who develop typically or have other disabilities?; (b) do these differences show a different pattern in relation to an early (by kindergarten) or late (by Grade 3) diagnosis?; and (c) are there specific subdomains on the EDI that demonstrate a consistent pattern of differences? EDI domain and subdomain scores were compared among groups using multivariate analysis of variance controlling for age, gender, EDI year, and EDI year by age interaction. Children with ASD, regardless of timing of identification, had significantly lower scores on all domains of the EDI than typically developing children. Children with later ASD diagnosis had higher scores in kindergarten in cognitive areas but lower scores in social emotional areas than children with other disabilities. These findings support the potential of the EDI to monitor ASD-like behaviors at the population level. Autism Res 2018, 11: 410-420. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Identifying behavior patterns among kindergarten children that may be specific to autism spectrum disorder (ASD) at a population level has the potential to improve intervention strategies and thus reduce the burden of the disease. In Ontario, Canada, developmental data are regularly collected with the Early Development Instrument (EDI) for all kindergarten children. The behavior in kindergarten of a sub-population of children diagnosed with developmental disabilities by age 9 is investigated here for patterns that may distinguish children with ASD from those with other disorders. Children with later ASD diagnosis had higher scores in kindergarten in cognitive areas but lower scores in social-emotional areas than children with other disabilities, indicating meaningful differences between those groups even before diagnosis. These results support the potential of using the EDI to monitor ASD-like behaviors at the population level. PMID- 29219246 TI - Identification and genomic characterization of the emerging Senecavirus A in southeast China, 2017. AB - Senecavirus A (SVA) is an emerging non-enveloped virus with a single-stranded, positive-sense RNA genome that belongs to the Senecavirus genus in the Picornaviridae family. Senecavirus A-associated swine idiopathic vesicular disease and epidemic transient neonatal losses have caused substantial economic losses for the swine industry. Here, we describe a case of re-emerging vesicular disease among sows and finishing pigs on a swine farm in Fujian Province of southeast China. Other causative pathogens, including FMDV, SVDV and VSV, were excluded, and a novel SVA strain, CH-FJZZ-2017, was isolated. Sequencing and phylogenetic analysis of the complete genome and individual viral proteins revealed that CH-FJZZ-2017 is closely related to the US strains in 2015. The results further showed that Chinese SVAs have formed two distinct subclades with 2016 as the turning point. Viruses causing outbreaks after late 2016 shared higher nucleotide identities with the US strains in 2015. There is still some evolutionary distance between CH-FJZZ-2017 and other strains isolated in late 2016, suggesting that Chinese SVA isolates have been evolving in different directions. This study provides a basis for the development of effective prevention and control strategies. PMID- 29219247 TI - Diketopyrrolopyrrole-Based and Tetracyano-Bridged Small Molecules for Bulk Heterojunction Organic Solar Cells. AB - Research on bulk heterojunction organic solar cells has rapidly grown over the past two decades, and device performance has reached power conversion efficiencies over 13 %. In this focus review, we highlight design strategies used for the development of diketopyrrolopyrrole- and tetracyano-based molecular donors. We also describe how tetracyano-bridged non-fullerene acceptors can be developed by a click-type [2+2]-cycloaddition-electrocyclic ring-opening reaction of acetylene-bridged small molecules with tetracyanoethylene by simple modification. PMID- 29219248 TI - "My mother told me that I should not": a qualitative study exploring the restrictions placed on adolescent girls living with HIV in Zambia. AB - INTRODUCTION: Adolescent girls in sub-Saharan Africa are disproportionately affected by HIV due to a range of social and structural factors. As they transition to adulthood, they are recipients of increasing blame for HIV infection and 'improper' sex, as well as increasing scrutiny, restrictions and surveillance. This study used a qualitative and participatory approach to explore the messaging and restrictions imposed on adolescent girls living with HIV in Zambia. METHODS: Thirty-four in-depth interviews and four participatory workshops were carried out with 24 adolescent girls aged 15 to 19 years old living with HIV in Lusaka, Zambia. Key themes explored included experiences living with HIV, finding out about HIV status, disclosure, experiences with antiretroviral treatment, and support needs. Data were organized, coded and analysed using a grounded theory approach to thematic analysis. This analysis uses data on participants' experiences of living with HIV and their interactions with their parents, guardians and healthcare providers. RESULTS: Family and healthcare providers, partly in a quest to protect both the health of adolescent girls living with HIV and also to protect them from blaming discourse, imposed restrictions on their behaviour around three main topics: don't disclose your HIV status, don't have sex, and don't miss your medicines. These restrictions were often delivered using tactics of fear, and usually disconnected from other options. Participants responded to these messages in several ways, including internalizing the messages, changing their behaviour either to comply with or resist the restrictions, by remaining silent and anxious when restrictions were broken, and developing concerns around their own health and sexual and reproductive aspirations. Participants also sometimes experiencing stigma when restrictions could not be maintained. CONCLUSIONS: Restrictive messages were delivered to adolescent girls living with HIV through the broader social discourses of stigma, religion, and global and local narratives about HIV. Programmes aiming to support adolescent girls living with HIV need to work together with parents and healthcare providers to reflect on the impact of sanctioning messages, and to encourage more enabling and empowering messaging for adolescent girls living with HIV. PMID- 29219250 TI - Response to Fragmented QRS Complex Predicts Contrast-Induced Nephropathy and In Hospital Mortality After Primary Percutaneous Coronary Intervention in Patients With ST-Segment Elevation Myocardial Infarction. PMID- 29219249 TI - Activities of 11-Azaartemisinin and N-Sulfonyl Derivatives against Asexual and Transmissible Malaria Parasites. AB - Dihydroartemisinin (DHA), either used in its own right or as the active drug generated in vivo from the other artemisinins in current clinical use-artemether and artesunate-induces quiescence in ring-stage parasites of Plasmodium falciparum (Pf). This induction of quiescence is linked to artemisinin resistance. Thus, we have turned to structurally disparate artemisinins that are incapable of providing DHA on metabolism. Accordingly, 11-azaartemisinin 5 and selected N-sulfonyl derivatives were screened against intraerythrocytic asexual stages of drug-sensitive Pf NF54 and drug-resistant K1 and W2 parasites. Most displayed appreciable activities against all three strains, with IC50 values <10.5 nm. The p-trifluoromethylbenzenesulfonyl-11-azaartemisinin derivative 11 [(4'-trifluoromethyl)benzenesulfonylazaartemisinin] was the most active, with IC50 values between 2 and 3 nm. The compounds were screened against Pf NF54 early and transmissible late intraerythrocytic-stage gametocytes using luciferase and parasite lactate dehydrogenase (pLDH) assays. The 2'-thienylsulfonyl derivative 16 (2'-thiophenesulfonylazaartemisinin) was notably active against late-stage (IV V) gametocytes with an IC50 value of 8.7 nm. All compounds were relatively nontoxic to human fetal lung WI-38 fibroblasts, showing selectivity indices of >2000 toward asexual parasites. Overall, the readily accessible 11-azaartemisinin 5 and the sulfonyl derivatives 11 and 16 represent potential candidates for further development, in particular for transmission blocking of artemisinin resistant parasites. PMID- 29219251 TI - An unusual myopericarditis. PMID- 29219253 TI - First experience of the usage of a GORE CARDIOFORM Septal Occluder device for treatment of a significant residual commissural mitral regurgitation jet following a MitraClip procedure. AB - : The MitraClip (Abbott Vascular, Santa Clara, CA) procedure has emerged as a safe and effective treatment option for treatment of selected patients with severe mitral regurgitation (MR) who are at high risk for surgery. Effective reduction of MR is important to ensure an optimal clinical outcome. We present here the first case report of a significant commissural leak after a MitraClip procedure treated with a GORE CARDIOFORM Septal Occluder device (WL Gore & Associates, Flagstaff, AZ). CASE REPORT: An 81-year-old male presented with symptomatic recurrent MR following a MitraClip procedure using two clips. After adding another clip, there was still a residual jet medially. We plugged the gap using 12-mm AMPLATZER Muscular VSD Occluder device (St. Jude Medical, Minneapolis, MN). MR was reduced but hemolysis occurred. We retrieved the VSD Occluder device to improve hemolysis, but the MR jet worsened to severe, so we placed a 30-mm GORE CARDIOFORM Septal Occluder device. The device was stable, the MR jet was reduced dramatically, and hemolysis was not observed. Materials of these devices are mesh fabric made from nitinol and polyester in a VSD Occluder device and expanded polytetrafluoroethylene in GORE CARDIOFORM Septal Occluder device. The difference between device materials affects flow pattern of residual jet and hemolysis. In conclusion, the patient's risk for hemolysis is potentially affected by the occluder or plug material. GORE CARDIOFORM is a feasible choice to reduce the risk of hemolysis in a selected patient. PMID- 29219254 TI - Primary bilateral uveal melanoma: a population-based study and systematic review. AB - IMPORTANCE: Primary bilateral uveal melanoma (UM) is a rare and incompletely described entity. It is not known how these patients compare to those with unilateral UM. BACKGROUND: We sought to comprehensively characterize and compare patients with primary bilateral and unilateral UM. DESIGN: Retrospective, population-based and systematic review. PARTICIPANTS: Patients with bilateral (n = 52) and unilateral UM (n = 8915). METHODS: We analysed cases of primary bilateral UM from three data sources: (i) the University Hospitals Cleveland Medical Center pathology database from 1996 to 2016 (n = 1); (ii) the Surveillance, Epidemiology and End-Results (SEER)-18 database from 1973 to 2013 (n = 5) and (iii) a systematic review of the English language literature (n = 46). Cases of unilateral UM were obtained from the SEER-18 database from 1973 to 2013 for comparison (n = 8915). MAIN OUTCOME MEASURES: Demographics, clinicopathological characteristics, treatments and survival. RESULTS: There were no differences in sex, race, mean age at diagnosis, site of uveal involvement, metastases at diagnosis, or treatment among patients with bilateral as compared to unilateral UM. Additionally, there were no clinicopathological differences between the two UMs in each patient with bilateral disease. Overall survival did not differ between unilateral and bilateral UM patients, or between bilateral UM patients who presented with, or subsequently developed, bilateral disease. CONCLUSIONS AND RELEVANCE: Bilateral and unilateral UM patients share similar demographics, clinicopathological characteristics, treatments and prognoses. Moreover, the development of bilateral disease does not portend a poorer prognosis and patients should be treated similarly to those with unilateral disease. PMID- 29219255 TI - Palladium-Catalyzed Intramolecular Trost-Oppolzer-Type Alder-Ene Reaction of Dienyl Acetates to Cyclopentadienes. AB - A new approach to the synthesis of highly substituted cyclopentadienes, indenes, and cyclopentene-fused heteroarenes by means of the Pd-catalyzed Trost-Oppolzer type intramolecular Alder-ene reaction of 2,4-pentadienyl acetates is described. This unprecedented transformation combines the electrophilic features of the Tsuji-Trost reaction with the nucleophilic features of the Alder-ene reaction. The overall outcome can be perceived as a hitherto unknown "acid-free" iso Nazarov-type cyclization. The versatility of this strategy was further demonstrated by the formal synthesis of paucifloral F, a resveratrol-based natural product. PMID- 29219256 TI - Single-shot speckle correlation fluorescence microscopy in thick scattering tissue with image reconstruction priors. AB - Deep tissue imaging in the multiple scattering regime remains at the frontier of fluorescence microscopy. Speckle correlation imaging (SCI) can computationally uncover objects hidden behind a scattering layer, but has only been demonstrated with scattered laser illumination and in geometries where the scatterer is in the far field of the target object. Here, SCI is extended to imaging a planar fluorescent signal at the back surface of a 500-MUm-thick slice of mouse brain. The object is reconstructed from a single snapshot through phase retrieval using a proximal algorithm that easily incorporates image priors. Simulations and experiments demonstrate improved image recovery with this approach compared to the conventional SCI algorithm. PMID- 29219257 TI - Evaluation of a mental health liaison team. Part 2: the themes and their effect on practice. AB - Hospitals and emergency departments (EDs) are caring for increasing numbers of patients who present with underlying mental health issues. Managing these patients can be challenging for clinical staff who often lack the specialist knowledge and skills required to provide appropriate care. This article, part two of two on the evaluation of a newly formed mental health liaison team (MHLT) working in a general hospital, focuses on the perceptions and experiences of the MHLT participants, and explores three sub-themes derived from the interview data. The article considers the effect of these themes on practice, and the relationship between MHLT members and staff in EDs and the wider hospital. PMID- 29219258 TI - Military preceptees' journey in the emergency department. AB - This article is an account of the experiences of two newly qualified military graduates who became preceptees in an emergency department (ED). It considers the emotions felt, the benefits of previous nursing experience, and the importance of reflection and support from colleagues. The article also suggests that ED experience can shape nurses' ability to undertake operational and non-operational military nursing roles. PMID- 29219259 TI - Nursing management of childhood chickenpox infection. AB - Chickenpox is an extremely contagious infectious disease caused by varicella zoster virus (VZV). It is a common childhood illness characterised by an itchy vesicular rash and fever, which usually resolves spontaneously without medical intervention. Serious, and rarely fatal, complications can occur, including pneumonia, central nervous system infection, overwhelming secondary bacterial infections, especially with Group A streptococcus, and necrotising fasciitis. Therefore it is crucial that emergency department (ED) nurses can recognise the signs and symptoms that indicate deterioration. This article reviews best practice management of children with chickenpox, gives up-to-date guidance on the safe use of antipyretics, the avoidance of ibuprofen and discusses immunisation against VZV. It also includes implications for nursing practice and a case study that illustrates some of the challenges that ED nurses may encounter. PMID- 29219260 TI - [Gene Analysis for the Sudden Death of Hypertrophic Cardiomyopathy by Whole Exome Sequencing.] AB - OBJECTIVES: To analyze the related pathogenicity gene mutations in a sudden death of hypertrophic cardiomyopathy (HCM) on whole exome level. METHODS: Whole exome sequencing (WES) was been performed on a sudden death case sample with pathological features of HCM by Illumina(r) Hiseq 2500 platform. Using hg19 as the reference sequences, the sequencing data were analyzed. Suspicious single nucleotide variants (SNV) were screened, and the conservatism and function were analyzed by the software such as PhyloP, PolyPhen-2, SIFT, etc. RESULTS: After screening, a heterozygous mutation C719R was finally identified in the gene MYBPC3 of this case. CONCLUSIONS: The molecular anatomy on whole exome level by second generation sequencing technology can help to define the molecular mechanism of HCM and provide a new mothed and thought for analysis of death cause. PMID- 29219261 TI - [Relationship between Wound Age and the Expression of Fzd2 in Rats Skeletal Muscle after Contusion]. AB - OBJECTIVES: To investigate the relationship between wound age and the expressions of frizzled-2 (Fzd2) mRNA and its protein in rats skeletal muscle after contusion, and to explore its possibility of being an index for wound age estimation. METHODS: The mRNA and protein expressions of Fzd2 in rats skeletal muscle of the control group and the experimental group within 4-48 h after contusion were detected per 4 h by RT-qPCR and Western blotting. RESULTS: AThe relative expression of Fzd2 mRNA increased at 24 h, 36 h and 40 h after contusion, and the expression at 24 h was twice as the control group ( P<0.05). The relative expression of Fzd2 protein changed inconspicuously after contusion (P>0.05). CONCLUSIONS: The changes of Fzd2 mRNA expression after contusion in a certain time can be a basis to estimate wound age by combined multi-indicators. PMID- 29219262 TI - [Screening of Differential Expression Proteins in Rat Brain Tissues after DAI by iTRAQ-LC-MS/MS]. AB - OBJECTIVES: To screen for the differential expression proteins in brain tissues of SD rat after diffuse axonal injury (DAI) by isobaric tag for relative and absolute quantification-liquid chromatograph-mass spectrometer/mass spectrometer (iTRAQ-LC-MS/MS), and to explore potential biomarkers available for the diagnosis of DAI. METHODS: Animal models of DAI were established with the Marmarou method as reference, and the subjects were divided into blank control group (n=4), sham strike group (n=4) and fatal strike group (n=4), respectively. The proteins in rat brain tissues were detected by iTRAQ-LC-MS/MS, and bioinformatics analysis and verification were performed on the results and screened for the differential expression proteins. RESULTS: A total of 2 016 proteins were identified and quantified. The bioinformatics analysis revealed that the proteins had wide distribution and function, and participated in different biological processes. There were 16 proteins showed differential expression in fatal strike group, including one up-regulated expression protein and 15 down-regulated expression proteins. The results of iTRAQ-LC-MS/MS were confirmed by Western blotting method. CONCLUSIONS: Multiple differential expression proteins in rat brain tissues after DAI can be screened by iTRAQ-LC-MS/MS. This not only indicates a research direction for exploring the pathogenesis of DAI, but also provides potential biomarkers available for the diagnosis of DAI. PMID- 29219263 TI - [Comparison of Measurement Methods of Exophthalmos and Its Forensic Significance]. AB - OBJECTIVES: To compare the differences between Hertel exophthalmometry and CT on exophthalmos measurement, and explore its practical application value in forensic medicine. METHODS: Fifty-six normal individuals without eye injuries or diseases were selected as the control group. The absolute values of exophthalmos were measured in the standardized CT image workstation. The difference of binocular exophthalmos was compared in normal group. Forty-seven cases with unilateral orbital fracture were divided into injured eye group and normal eye group according to the presence of binocular orbital fractures. The differences of the absolute values of eophthalmos from the same eye and the relative values of eophthalmos between two eyes for same person measured by Hertel exophthalmometry and CT were analyzed. RESULTS: There was no statistical difference of exophthalmos between the normal eyes measured by CT method. In the normal eye group, the absolute value of exophthalmos measured by CT method was (16.66+/ 5.41) mm, which was (16.16+/-4.45) mm when measured by the Hertel exophthalmometry method. There was no statistical difference between two groups (P>0.05). In the injured eye group, there was statistical difference between the absolute values of exophthalmos measured by two measurement methods ( P<0.05). There was no statistical difference of the relative values of exophthalmos between the injured eyes and the normal eyes by two measurement methods (P>0.05). CONCLUSIONS: CT method has a good consistency with Hertel exophthalmometry, which can be applied into the practice of medicolegal expertise. PMID- 29219264 TI - [Identification of Y-chromosomal Genetic Types for the Soldier's Remains from Huaihai Campaign]. AB - OBJECTIVES: To identify the Y-chromosomal genetic types for the soldier's remains from Huaihai Campaign, and to offer a clue for search of their paternal relatives. METHODS: DNA of the remains were extracted by the ancient DNA extraction method. Yfiler kit was used for the multiplex amplification of 17 Y STR loci. The haplogroups of the samples were speculated. Detailed genotyping of the selected Y-SNP was performed based on the latest Y-chromosome phylogenetic tree. Haplotype-sharing analysis was done based on the data of Y-SNP and Y-STR, the closest modern individual information to the genetic relationship of remains was gained. RESULTS: A total of 8 Y-STR haplotypes were observed on 17 Y-STR loci of 8 male individuals. Furthermore, 6 Y-SNP haplogroups were identified, which were O2a1-M95+, O1a1-P203+, O3*-M122+/M234-, D1-M15+, C3*-ST and R1a1-M17+. CONCLUSIONS: Identification of Y-chromosomal genetic types for the soldier's remains from Huaihai Campaign shows a reference value on inferring the geographical origins of old materials. PMID- 29219265 TI - [Formula Derivation and Validation of Probability of Exclusion in the Cases of Standard Triplet Parentage Testing]. AB - OBJECTIVES: To derive and experiment validate the probability of exclusion (PE) formulas in the cases of standard triplet parentage testing. METHODS: The formulas were derived voluntarily based on the PE definition: [Formula: see text]. This formula was compared with the 5 formulas (1)-(5) reported previously, and the PE values of 19 autosomal STR loci in AGCU EX20 system were calculated. Based on 1 000 samples of single-parentage cases and 1 000 unrelated individuals, the real experiment was designed and the real experiment results of PE were calculated. Ten million pairs of simulated biological mother and son and 10 million random individuals were gained by random simulation method, and the simulated experiment was designed and the simulated values of PE were calculated. In 19 STR loci, the sum of all allele frequency (S) was calculated, and the formula values of PE were compared with the values of real and simulated experiments. RESULTS: If S=1, the calculation values of formula (1), (2), (5) and (6) were quite the same, which accord with the double verification of real and simulated experiments. If S?1, there was a minor error in the calculation results of formula (1), (2), (5) and (6), while which had a large error in formula (3) and (4). CONCLUSIONS: The formula (6) derived in present study and the classical formulas (1), (2) and (5) can be applied to the standard triplet parentage testing. The S value has a certain influence on PE calculation. PMID- 29219266 TI - [Whole Genome Sequencing of Human mtDNA Based on Ion Torrent PGMTM Platform]. AB - OBJECTIVES: To analyze and detect the whole genome sequence of human mitochondrial DNA (mtDNA) by Ion Torrent PGMTM platform and to study the differences of mtDNA sequence in different tissues. METHODS: Samples were collected from 6 unrelated individuals by forensic postmortem examination, including chest blood, hair, costicartilage, nail, skeletal muscle and oral epithelium. Amplification of whole genome sequence of mtDNA was performed by 4 pairs of primer. Libraries were constructed with Ion ShearTM Plus Reagents kit and Ion Plus Fragment Library kit. Whole genome sequencing of mtDNA was performed using Ion Torrent PGMTM platform. Sanger sequencing was used to determine the heteroplasmy positions and the mutation positions on HVI region. RESULTS: The whole genome sequence of mtDNA from all samples were amplified successfully. Six unrelated individuals belonged to 6 different haplotypes. Different tissues in one individual had heteroplasmy difference. The heteroplasmy positions and the mutation positions on HVI region were verified by Sanger sequencing. After a consistency check by the Kappa method, it was found that the results of mtDNA sequence had a high consistency in different tissues. CONCLUSIONS: The testing method used in present study for sequencing the whole genome sequence of human mtDNA can detect the heteroplasmy difference in different tissues, which have good consistency. The results provide guidance for the further applications of mtDNA in forensic science. PMID- 29219267 TI - [Forensic Analysis for 54 Cases of Suxamethonium Chloride Poisoning]. AB - OBJECTIVES: To observe and analyze the performance of forensic science in the cases of suxa- methonium chloride poisoning, and to improve the identification of suxamethonium chloride poisoning. METHODS: Fifty-four cases of suxamethonium chloride poisoning were collected. The rules of determination of suxamethonium chloride poisoning were observed by the retrospective analysis of pathological and toxicological changes as well as case features. RESULTS: The pathological features of suxamethonium chloride poisoning were similar to the general changes of sudden death, which mainly included acute pulmonary congestion and edema, and partly showed myocardial disarray and fracture. Suxamethonium chloride could be detected in the heart blood of all cases and in skin tissue of part cases. CONCLUSIONS: Suxa-methonium chloride poisoning has the characteristics with fast death and covert means, which are difficult to rescue and easily miss inspection. For the cases of sudden death or suspicious death, determination of suxamethonium chloride should be taken as a routine detection index to prevent missing inspection. PMID- 29219268 TI - [Application of Susceptibility Weighted Imaging in the Identification of Hemorrhagic Diffuse Axonal Injury]. AB - OBJECTIVES: To explore the application value of susceptibility weighted imaging (SWI) in the forensic identification of hemorrhagic diffuse axonal injury (DAI). METHODS: The forensic identification materials of 20 DAI cases were analyzed retrospectively. The sequence image materials of T1WI, T2WI, diffusion weighted imaging (DWI), fluid attenuated inversion recovery (FLAIR) and susceptibility weighted imaging (SWI) were analyzed statistically. RESULTS: DAI related hemorrhage focus commonly located in the superficial area of brain. The detection rate of hemorrhage focus by SWI was the highest, which showing significant difference (P<0.05) compared with other sequence images. CONCLUSIONS: The SWI plays an important role in the forensic identification of DAI. PMID- 29219269 TI - [DNA Extraction from Old Bones by AutoMate ExpressTM System]. AB - OBJECTIVES: To establish a method for extracting DNA from old bones by AutoMate ExpressTM system. METHODS: Bones were grinded into powder by freeze-mill. After extraction by AutoMate ExpressTM, DNA were amplified and genotyped by Identifiler(r)Plus and MinFilerTM kits. RESULTS: DNA were extracted from 10 old bone samples, which kept in different environments with the postmortem interval from 10 to 20 years, in 3 hours by AutoMate ExpressTM system. Complete STR typing results were obtained from 8 samples. CONCLUSIONS: AutoMate ExpressTM system can quickly and efficiently extract DNA from old bones, which can be applied in forensic practice. PMID- 29219270 TI - [Genetic Polymorphisms of 17 Y-STR Loci in Nantong Han Population]. AB - OBJECTIVES: To analyze the genetic phenotypes of Nantong Han population and evaluate the application value of 17 Y-STR loci in Nantong population. METHODS: The peripheral blood samples were collected from 343 unrelated Nantong Han males and the genomic DNA were extracted by Chelex-100 method. Genotyping was performed using the AmpFlSTR YfilerTM Kit. The results were compared with other 12 Han populations, including Anhui, Jiangsu, Jiangxi, Shandong, Shanghai, Zhejiang (1), Lanzhou, Nanyang, Luzhou, Mudanjiang, Shanxi and Zhejiang (2), and 9 minority populations (Mongol, Xibe, Tibetan in Lhasa, Tibetan in Qinghai, Kazak, Uighur, Manchu, Paiwan in Taiwan and Tujia). RESULTS: A total of 327 different haplotypes were found in 17 Y-STR loci in Nantong Han population. The haplotype diversity (HD) was 0.999 7. The Rst value between Nantong Han and other Chinese populations ranged from -0.000 6 to 0.263 5. The multidimensional scaling results showed that Nantong Han population had no significant differences between most of the Han populations, but had significant differences between most of Chinese minority populations. CONCLUSIONS: Seventeen Y-STR loci can be a powerful tool for forensic application because of its high polymorphism in Nantong Han population. PMID- 29219271 TI - [Polymorphisms of 19 STR Loci in Guizhou Han Population and Their Forensic Application]. AB - OBJECTIVES: To investigate the allelic distribution of 19 autosomal STR loci in Guizhou Han population, and to estimate the forensic application value. METHODS: The 19 autosomal STR loci in 520 unrelated healthy individuals from Guizhou Han population were studied using GoldeneyeTM 20A kit. The 310 genetic analyzer was used for capillary electrophoresis, and the GeneMapper(r)ID v3.1 for genotyping. RESULTS: The heterozygosis, the discrimination power, the probability of exclusion, the polymorphism information content, the cumulative discrimination power and the cumulative probability of exclusion of the 19 STR loci were 0.603 8 0.916 4, 0.790 0-0.985 6, 0.295 5-0.826 9, 0.553 5-0.908 9, 1-1.230 0*10-22 and 0.999 999 99, respectively. Compared with other five Han populations in pairwise allelic frequencies, Guizhou Han only had significant differences with Shandong Han, Liaoning Han and Shanxi Han. CONCLUSIONS: The 19 autosomal STR loci such as D19S433 have a highly genetic polymorphic in Guizhou Han population, which have application values in the researches of population genetics and forensic genetics. PMID- 29219272 TI - [Application of IMA and H-FABP in Forensic Diagnosis of Sudden Cardiac Death]. AB - Acute myocardial ischemia is the most common cause of sudden cardiac death. The diagnosis of early myocardial ischemia is a hot point in forensic medicine, which is also an early and important part for a prevention against myocardial infarction. This paper conducts a comprehensive discussion of the structure, function, clinical value and forensic medicine application prospect of ischemia modified albumin (IMA) and heart-type fatty acid binding protein (H-FABP), aiming to determine whether the two proteins can be used as biochemical detection indicators of early myocardial ischemia for the diagnosis of sudden cardiac death in forensic medicine. PMID- 29219273 TI - [Application of Metagenomics in Forensic Identification]. AB - With the development of molecular biology and genomics, metagenomics is playing a more important role in forensic science and forensic identification. In recent years, as a branch discipline studying the composition profile and diversity of microbe flora as well as studying the interaction within microbe and with environment, the application of metagenomics has gradually risen and brought new opportunities for forensic identification-related area. In this review, strategy of metagenomics and its application in forensic identification including individual identification, origin determination of biological stain in crime scene and drug abuse detection are summarized. This article aims to elucidate the role and application value of metagenomics in forensic science. PMID- 29219274 TI - Bilateral testicular torsion in an adolescent: a case with challenging diagnosis. AB - Bilateral testicular torsion is a very uncommon emergency, with a challenging differential diagnosis. We describe the case of a 15-year-old patient with a left testicular torsion of 48 hours of duration and a sudden onset of right scrotum pain during his stay at the emergency area. Bilateral testicular torsion was diagnosed after repeat physical examination and doppler ultrasound, which had been normal for right testis in a first evaluation. Surgical exploration was performed with orchiectomy in left testis and fixation in right testis. In previous literature, there are reported bilateral torsion only in four adolescents and five adults. With this case, we demonstrate that bilateral spermatic cord torsion may be easily overlooked in a patient with acute scrotum and we emphasize the importance of bilateral exploration in testicular torsion. PMID- 29219275 TI - Synchronous abdominal tumors: is combined laparoscopic surgery in a single approach a safe option? AB - BACKGROUND AND PURPOSE: Recent advances in cancer treatment have resulted in better prognosis with impact on patient's survival, allowing an increase in incidence of a second primary neoplasm. The development of minimally invasive surgery has provided similar outcomes in comparison to open surgery with potentially less morbidity. Consequently, this technique has been used as a safe option to simultaneously treat synchronous abdominal malignancies during a single operating room visit. The objective of this study is to describe the experience of two tertiary cancer hospitals in Brazil, in the minimally invasive treatment of synchronous abdominal neoplasms and to evaluate its feasibility and peri operative results. MATERIALS AND METHODS: We retrospectively reviewed the data from patients who were submitted to combined laparoscopic procedures performed in two tertiary hospitals in Brazil from May 2009 to February 2015. RESULTS: A total of 12 patients (9 males and 3 females) with a mean age of 58.83 years (range: 33 to 76 years) underwent combined laparoscopic surgeries for the treatment of at least one urological disease. The total average duration of surgery was 339.8 minutes (range: 210 to 480 min). The average amount of intraoperative bleeding was 276.6mL (range: 70 to 550mL) and length of hospitalization was 5.08 days (range: 3 to 10 days). Two patients suffered minor complications regarding Clavien system during the immediate postoperative period. CONCLUSIONS: Combined laparoscopic surgery for the treatment of synchronous tumors is feasible, viable and safe. In our study, there was a low risk of postoperative morbidity. PMID- 29219276 TI - Endourologic strategies for a minimally invasive management of urinary tract stones in patients with urinary diversion. AB - OBJECTIVE: To present our experience in minimally invasive management of urinary tract stones in patients with urinary diversion. MATERIALS AND METHODS: We retrospectively reviewed 26 patients with urinary tract stones after cystectomy and urinary diversion. The types of urinary diversion were ileal conduit, colon conduit, ileal orthotopic neobladder in 19, 4, and 3 patients, respectively. At postoperative days 2, a plain KUB and urinary ultrasonography were performed in order to assess stone fragmentation or hydronephrosis. According to postoperative imaging, stone free rate (SFR) was defined as complete absence of fragments or residual stones less than 4mm. RESULTS: 19 patients were treated with minimally invasive percutaneous lithotripsy (MPCNL) and 2 patients required second-look MPCNL. Anterograde flexible ureteroscopy was performed in 2 patients, while in 2 patients a combined anterograde and retrograde approach was required. Three reservoir stones were treated by transurethral neo-bladder lithotripsy. Postoperative significant complications occurred in 2 patients (7.7%). The highest percentage of stone composition was struvite, as a result of chronic urinary tract infection (UTI). SFR was 88.5% (23 of 26). CONCLUSIONS: Our experience showed that MPCNL is a safe and effective treatment modality with little morbidity for renal and upper ureteral stones in patients with urinary diversion. For middle and lower ureteral stones, an anterograde approach could be also considered as a first line treatment, but a combined anterograde and retrograde approach was required when the anterograde access alone cannot provide acceptable results. PMID- 29219277 TI - Prostate cancer incidentally discovered at the time of radical cystoprostatectomy does not decrease overall survival: Results from a large Chinese medical center. AB - PURPOSE: To investigate the incidence and pathologic characteristics of prostate cancer (PCa) incidentally discovered at the time of radical cystectomy and its impact on overall survival. MATERIALS AND METHODS: A single center retrospective study of 762 male patients who underwent radical cystoprostatectomy from Jan 1994 to Dec 2012. RESULTS: Of all included patients, 132 (17.3%) were found to have PCa. Patients with incidental PCa had a significantly higher mean age (69.2 vs. 62.2 years, P=0.015). Among the 132 patients with PCa, prostate specific antigen (PSA) analysis was available in 76 patients (57.6%), with a median value of 1.06ng/mL, and 61 (80.3%) patients had a PSA value below 4ng/mL. Four hundred and thirty-six patients (57.1%) were successfully followed, with a median duration of 46.5 months. The overall 5-year survival rate was 62.1%, and the 5-year cancer specific survival rate was 72%. PCa recurrence was defined by two consecutive PSA values of >0.2 ng/mL and rising, and no PCa recurrence occurred. According to a univariate analyses, incidental PCa was not associated with cancer-specific survival (P=0.192) or overall survival (P=0.493). According to univariate analyses, the overall survival of patients with PCa was not associated with prostate cancer staging, PSA value, or Gleason score (All P values>0.05). CONCLUSIONS: Prostate cancer incidentally discovered at the time of radical cystectomy does not decrease overall survival. Patients with incidental PCa were older than those without. The PSA value before operation is not helpful for predicting incidental prostate cancers. PMID- 29219278 TI - Clinical features of carriers of reciprocal chromosomal translocations involving chromosome 2: report of nine cases and review of the literature. AB - OBJECTIVE: To explore the clinical features of carriers of chromosome 2 translocations, enabling informed genetic counseling of these patients. MATERIALS AND METHODS: Eighty-two male carriers of a translocation who were infertile or receiving fertility counseling were recruited. Cytogenetic analyses were performed using G-banding. A search of PubMed was performed to determine whether the identified translocations on chromosome 2 are involved in male infertility. The relationships of translocation breakpoints with male infertility and recurrent pregnancy loss were analyzed. RESULTS: Of the 82 translocation carriers, 9 (11%) were carriers of a chromosome 2 translocation. Four cases had oligozoospermia or infertility, while five had normal semen. In an analysis of the literature, 55 patients who were carriers of chromosome 2 translocations were also reviewed. Breakpoints at 2p13 and 2q31 were observed in six patients each, and were the most common. Breakpoints at 2p23, 2p13, 2p11.2, 2q31, and 2q37 were associated to both pre-gestational and gestational infertility, while other breakpoints were associated with gestational infertility. CONCLUSIONS: All breakpoints at chromosome 2 were correlated with gestational infertility. Carriers of chromosome 2 translocations should therefore receive counseling to continue with natural conception and use of different technologies available via assisted reproductive technology, such as preimplantation genetic diagnosis. PMID- 29219279 TI - Use of photodynamic inactivation for in vitro reduction of prevalent bacteria in Fournier's Gangrene. AB - Fournier's Gangrene (FG) is an infectious disease caused by several synergic microbes, with high morbidity and mortality rates; therefore, the search for new less invasive and mutilating treatments, with faster recovery, has been proposed. Surgical intervention, the use of several systemic and topic antibiotics, and hyperbaric oxygen therapy are currently the best approach for the treatment of these patients. The use of Photodynamic Inactivation (PDI) aims to lower morbidity and mortality, by reducing bacterial microbiota and speeding wound healing. In the present study, viable bacteria were separated in four groups: Group L-/F- (no irradiation with red laser and absence of methylene blue photosensitizer), Group L-/F+ (no irradiation with red laser and presence of methylene blue), Group L+/F- (irradiation with red laser and absence of methylene blue) and L+/F+ (irradiation with red laser associated to methylene blue). In all groups, exposure time to treatment was 5, 10 and 15 minutes. The concentration of methylene blue photosensitizer was 0.1mg/L, and the dose of red laser (660nm wave length) was 176.9mW/cm2. Following irradiation, the reduction of number of bacteria was evaluated, and the results were expressed in colony forming units (CFU) and as exponential reduction. As the main results, in the L+/F+ group, there were no Clostridium perfringens and Staphylococcus aureus CFUs and there was a reduction of Escherichia coli that was not observed in the other groups. PMID- 29219280 TI - Transperitoneal vs. extraperitoneal radical cystectomy for bladder cancer: A retrospective study. AB - PURPOSE: Conventional transperitoneal radical cystectomy (TPRC) is the standard approach for muscle invasive bladder cancer. But, the procedure is associated with significant morbidities like urinary leak, ileus, and infection. To reduce these morbidities, the technique of extraperitoneal radical cystectomy (EPRC) was described by us in 1999. We compared these two approaches and the data accrued forms the basis of this report. MATERIALS AND METHODS: All patients who underwent radical cystectomy for bladder cancer by the author (JNK) with follow-up for at least 5 years were included. A total of 338 patients were studied, with 180 patients in EPRC group and 158 in TPRC group. RESULTS: There were 3 mortalities within 30 days in TPRC group and one in EPRC group. Early complication rate was 52% and 58% in EPRC and TPRC groups. Urinary leak occurred in 31 (9.2%) patients (13 in EPRC, 18 in TPRC, p=0.19). Gastrointestinal complications like ileus occurred in 9 (5%) patients in EPRC group and in 25 (15.8%) patients in TPRC group, (p<0.001). Wound dehiscence occurred in 29, and 36 patients in EPRC and TPRC groups respectively. The reoperation rate was 6.1% and 12% in EPRC and TPRC groups, (p=0.08). Intestinal obstruction were significantly less in EPRC group (1.7% vs. 7.8% in TPRC group, p=0.002). Uretero-enteric anastomosis stricture was seen in 10 patients (4 in EPRC, 6 in TPRC, p=0.39). CONCLUSIONS: The EPRC is associated with decrease gastrointestinal complications, ease of management of urinary leaks, and low reoperation rates. Thus EPRC appears safe functionally and oncologically. PMID- 29219281 TI - Impact on sexual function of surgical treatment in rectal cancer. AB - INTRODUCTION: The development of new surgical techniques and medical devices, like therapeutical multimodal approaches has allowed for better outcomes on patients with rectal cancer (RCa). Owing to that, an increased awareness and investment towards better outcomes regarding patients' sexual and urinary function has been recently observed. AIM: Evaluate and characterize the sexual dysfunction of patients submitted to surgical treatment for RCa. MATERIALS AND METHODS: An observational retrospective study including all male patients who underwent a surgical treatment for RCa between January 2011 December 2014 (n=43) was performed, complemented with an inquiry questionnaire to every patient about its sexual habits and level of function before and after surgery. DISCUSSION: All patients were male, with an average of 64yo. (range 42-83yo.). The surgical procedure was a rectum anterior resection (RAR) in 22 patients (56%) and an abdominoperineal resection (APR) in 19(44%). Sixty three percent described their sexual life as important/very important. Sexual function worsening was observed in 76% (65% with complains on erectile function, and 27% on ejaculation). Fourteen patients (38%) didn't resume sexual activity after surgery. Increased age (p=0.007), surgery performed (APR) (p=0.03) and the presence of a stoma (p=0.03) were predictors of ED after surgery. A secondary analysis found that the type of surgery (APR) (p=0.04), lower third tumor's location (p=0.03) and presence of comorbidities (p=0.013) (namely, smokers and diabetic patients) were predictors of de novo ED after surgery. CONCLUSIONS: This study demonstrated the clear negative impact in sexual function of patients submitted to a surgical treatment for RCa. Since it is a valued feature for patients, it becomes essential to correctly evaluate/identify these cases in order to offer an adequate therapeutical option. PMID- 29219282 TI - Validation of the urgency questionnaire in Portuguese: A new instrument to assess overactive bladder syndrome. AB - PURPOSE: Overactive Bladder (OAB) is a clinical condition characterized by symptoms reported by patients. Therefore, measurement instruments based on reported information are important for understanding its impact and treatment benefits. The aim of this study was to translate, culturally adapt and validate the Urgency Questionnaire (UQ) in Portuguese. MATERIALS AND METHODS: Initially, the UQ was translated and culturally adapted to Portuguese. Sixty-three volunteers were enrolled in the study and were interviewed for responding the Portuguese version of the UQ and the validated Portuguese version of the Overactive Bladder Questionnaire short-form (OABq-SF), used as the gold standard measurement for the validation process. Psychometric properties such as criterion validity, stability, and reliability were tested. RESULTS: Forty-six subjects were included in the symptomatic group (presence of "urgency"), and seventeen were included in the asymptomatic group (control group). There was difference between symptomatic and asymptomatic subjects on all of the subscales (p<=0.001). The UQ subscales correlated with the OABq-SF subscales (p<=0.01), except the subscale "time to control urgency" and the item "impact" from the visual analog scales (VAS). However, these scales correlated with the OABq-SF - Symptom Bother Scale. The UQ subscales demonstrated stability over time (p<0.05), but the subscale "fear of incontinence" and the item "severity" of the VAS did not. All of the UQ subscales showed internal consistencies that were considered to be good or excellent. CONCLUSION: The Portuguese version of the UQ proved to be a valid tool for the evaluation of OAB in individuals whose native language is Portuguese. PMID- 29219283 TI - Comparative differences between T1a/b and T1e/m as substages in T1 urothelial carcinoma of the bladder. AB - OBJECTIVE: To evaluate the prognostic value of the depth of lamina propria invasion in patients with T1 bladder cancer and to display comparative differences between the T1a/b and T1e/m substaging systems. PATIENTS AND METHODS: This study included 106 patients with primary stage T1 urothelial bladder tumours who underwent surgery between January 2009 and December 2014. Pathologic specimens were re-evaluated to confirm the diagnosis of T1 and substaging by the same pathologist using two systems: T1a and T1b, and T1m and T1e. Age, tumour size, multiplicity, associated carcinoma in situ, tumour grade, and T1 substaging system were investigated to detect the relation between disease progression and recurrence. RESULTS: The recurrence rate was 52% for T1a (n=42) vs. 76% for T1b (n=20) (p=0.028) and 55% for T1m (n=32) vs. 62% for T1e (n=30), respectively (p=0.446). There was no significant difference between the substaging groups for disease progression: T1a (n=12, 15%) vs. T1b (n=7, 27%), and T1m (n=8, 13.8%) vs. T1e (n=11, 23%) (p>0.05). In the multivariate analysis, tumour size >3 cm (p=0.008), multiplicity (p=0.049), and substaging T1b (p=0.043) were independent predictive factors for tumour recurrence. According to the Kaplan-Meier actuarial method, recurrence-free survival was significantly different in patients with pT1a tumours compared with those with pT1b tumours (p=0.033). CONCLUSIONS: Substaging T1 provides a prediction of disease recurrence. Regarding recurrence, T1a/b substaging can provide better knowledge of disease behaviour because it is predicted as more superior than T1 m/e, and it can help in determining the requirement for early cystectomy. PMID- 29219284 TI - Does a previous prostate biopsy-related acute bacterial prostatitis affect the results of radical prostatectomy? AB - OBJECTIVE: To The standard technique for obtaining a histologic diagnosis of prostatic carcinomas is transrectal ultrasound guided prostate biopsy. Acute prostatitis which might develop after prostate biopsy can cause periprostatic inflammation and fibrosis. In this study, we performed a retrospective review of our database to determine whether ABP history might affect the outcome of RP. MATERIALS AND METHODS: 441 RP patients who were operated in our clinic from 2002 to 2014 were included in our study group. All patients' demographic values, PSA levels, biopsy and radical prostatectomy specimen pathology results and their perioperative/postoperative complications were evaluated. RESULTS: There were 41 patients in patients with acute prostatitis following biopsy and 397 patients that did not develop acute prostatitis. Mean blood loss, transfusion rate and operation period were found to be significantly higher in ABP patients. Hospitalization period and reoperation rates were similar in both groups. However, post-op complications were significantly higher in ABP group. CONCLUSION: Even though it does not affect oncological outcomes, we would like to warn the surgeons for potential complaints during surgery in ABP patients. PMID- 29219285 TI - Bull In the Middle: Always stay alert and be prepared to take action. PMID- 29219286 TI - Fire-Based EMS Community Health Care Guide: NFPA guide to offer roadmap to implementing a community paramedicine program. PMID- 29219287 TI - Data Scrutiny: Focus on training and compliance to reduce risk of fraud. PMID- 29219288 TI - Mysterious Weakness: Life-threatening condition can be managed in the field. PMID- 29219289 TI - Crawl, Walk, Run: Various modalities can enhance and improve activity effectiveness. PMID- 29219290 TI - Send in the Drone: Getting care to patients faster with unmanned aerial vehicles. PMID- 29219291 TI - Atomic Layer Deposition of Lithium Niobium Oxides as Potential Solid-State Electrolytes for Lithium-Ion Batteries. AB - The development of solid-state electrolytes by atomic layer deposition (ALD) holds unparalleled advantages toward the fabrication of next-generation solid state batteries. Lithium niobium oxide (LNO) thin films with well-controlled film thickness and composition were successfully deposited by ALD at a deposition temperature of 235 degrees C using lithium tert-butoxide and niobium ethoxide as Li and Nb sources, respectively. Furthermore, incorporation of higher Li content was achieved by increasing the Li-to-Nb subcycle ratio. In addition, detailed X ray absorption near edge structure studies of the amorphous LNO thin films on the Nb L-edge revealed the existence of Nb as Nb5+ in a distorted octahedral structure. The octahedrons in niobium oxide thin films experienced severe distortions, which could be gradually alleviated upon the introduction of Li atoms into the thin films. The ionic conductivities of the as-prepared LNO thin films were also measured, with the highest value achieving 6.39 * 10-8 S cm-1 at 303 K with an activation energy of 0.62 eV. PMID- 29219292 TI - Self-Assembly of Porous Boron Nitride Microfibers into Ultralight Multifunctional Foams of Large Sizes. AB - As a kind of macroscopic boron nitride (BN) architectures, ultralight BN cellular materials with high porosity and great resilience would have a broad range of applications in energy and environment areas. However, creating such BN cellular materials in large sizes has still been proven challenging. Here, we report on the unique self-assembly of one-dimensional porous BN microfibers into an integral three-dimensional BN foam with open-cell cellular architectures. An ultrasonic-assisted self-assembly, freeze-drying, and high-temperature pyrolysis process has been developed for the preparation of cellular BN foam with a large size and desired shape. The developed BN foam has low density, high porosity (~99.3%), great resilience, and excellent hydrophobic-lipophilic nature. The foam also exhibits excellent absorption capacities for a wide range of organic solvents and oils (wt % of ~5130-7820%), as well as a high recovery efficiency (~94%). Moreover, the unique hierarchical porous structure enables the foam to demonstrate a very low thermal conductivity (~0.035 W/K/m). The excellent thermal insulation performance, superior mechanical property, and superb chemical and thermal stability enable the developed BN foam as an integrating multifunctional material in a broad range of high-end applications. PMID- 29219293 TI - Correction to Facile Coordination-Precipitation Route to Insoluble Metal Roussin's Black Salts for NIR-Responsive Release of NO for Anti-Metastasis. PMID- 29219294 TI - TiO2 Nanorod Arrays with Mesoscopic Micro-Nano Interfaces for in Situ Regulation of Cell Morphology and Nucleus Deformation. AB - Cell morphology and nucleus deformation are important when circulating tumor cells break away from the primary tumor and migrate to a distant organ. Cells are sensitive to the microenvironment and respond to the cell-material interfaces. We fabricated TiO2 nanorod arrays with mesoscopic micro-nano interfaces through a two-step hydrothermal reaction method to induce severe changes in cell morphology and nucleus deformation. The average size of the microscale voids was increased from 5.1 to 10.5 MUm when the hydrothermal etching time was increased from 3 to 10 h, whereas the average distances between voids were decreased from 0.88 to 0.40 MUm. The nucleus of the MCF-7 cells on the TiO2 nanorod substrate that was etched for 10 h exhibited a significant deformation, because of the large size of the voids and the small distance between voids. Nucleus defromation was reversible during the cells proliferate process when the cells were cultured on the mesoscopic micro-nano interface.This reversible process was regulated by combining of the uniform pressure applied by the actin cap and the localized pressure applied by the actin underneath the nucleus. Cell morphology and nucleus shape interacted with each other to adapt to the microenvironment. This mesoscopic micro-nano interface provided a new insight into the cell-biomaterial interface to investigate cell behaviors. PMID- 29219295 TI - Carbon with Expanded and Well-Developed Graphene Planes Derived Directly from Condensed Lignin as a High-Performance Anode for Sodium-Ion Batteries. AB - In this study, we demonstrate that lignin, which constitutes 30-40 wt % of the terrestrial lignocellulosic biomass and is produced from second generation biofuel plants as a cheap byproduct, is an excellent precursor material for sodium-ion battery (NIB) anodes. Because it is rich in aromatic monomers that are highly cross-linked by ether and condensed bonds, the lignin material carbonized at 1300 degrees C (C-1300) in this study has small graphitic domains with well developed graphene layers, a large interlayer spacing (0.403 nm), and a high micropore surface area (207.5 m2 g-1). When tested as an anode in an NIB, C-1300 exhibited an initial Coulombic efficiency of 68% and a high reversible capacity of 297 mA h g-1 at 50 mA g-1 after 50 cycles. The high capacity of 199 mA h g-1 at less than 0.1 V with a flat voltage profile and an extremely low charge discharge voltage hysteresis (<0.03 V) make C-1300 a promising energy-dense electrode material. In addition, C-1300 exhibited an excellent high-rate performance of 116 mA h g-1 at 2.5 A g-1 and showed stable cycling retention (0.2% capacity decay per cycle after 500 cycles). By comparing the properties of the lignin-derived carbon with oak sawdust-derived and sugar-derived carbons and a low-temperature carbonized sample (900 degrees C), the reasons for the excellent performance of C-1300 were determined to result from facilitated Na+ ion transport to the graphitic layer and the microporous regions that penetrate through the less defective and enlarged interlayer spacings. PMID- 29219296 TI - Remediation of Polluted Soil in China: Policy and Technology Bottlenecks. PMID- 29219297 TI - Expanding the Chemistry of Rhenium Metal-Metal Bonded Fluoro Complexes: Facile Preparation and Characterization of Paddlewheel Complexes. AB - Quadruply bonded rhenium(III) dimers with the stoichiometry Re2L4F2 (1, L = hexahydro-2H-pyrimido[1,2a]pyrimidinate (hpp-); 2, L = diphenyl formamidinate (dpf-)) were prepared from the solid-state melt reactions (SSMRs) between (NH4)2[Re2F8].2H2O and HL. Those compounds were characterized in the solid state by single-crystal X-ray diffraction and in solution by UV-visible spectroscopy and cyclic voltammetry. The compound [Re2(hpp)4F2]PF6 (3) was prepared from the one-electron oxidation of Re2(hpp)4F2 with [Cp2Fe]PF6. Compounds 1-3 are isostructural with the corresponding chloro derivatives. In solution, compound 1 undergoes two one-electron oxidations. Comparison with its higher halogen homologues reveals that Re2(hpp)4F2 (1) is more easily oxidized than its chloro and bromo analogues. PMID- 29219298 TI - Highly Selective Red-Emitting Fluorescent Probe for Imaging Cancer Cells in Situ by Targeting Pim-1 Kinase. AB - Based on the fact that enzyme-targeting probes are highly sensitive and selective, a novel red-emitting probe (NB-BF) for Pim-1 kinase including three parts, fluorophore (NB), linker, and inhibitor (BF), has been designed for cancer optical imaging. In its free state, NB-BF is folded and the fluorescence quenched by PET between fluorophore and inhibitor both in PBS buffer and in normal cells. Significantly, it emitted strong red fluorescence in Pim-1 overexpressed cancer cells. The specificity of NB-BF for Pim-1 kinase was directly demonstrated by gene silencing analysis. Furthermore, it is the first time to know where Pim-1 kinase mainly distributes at mitochondria with Pearson's correlation factor (Rr) of 0.965 and to provide a fluorescent tool to verify the function of the Pim-1 kinase. More importantly, NB-BF was applied in tissue imaging and preferentially labeled tumors in vivo. PMID- 29219299 TI - Highly Proton Conducting Polyelectrolyte Membranes with Unusual Water Swelling Behavior Based on Triptycene-containing Poly(arylene ether sulfone) Multiblock Copolymers. AB - Multiblock poly(arylene ether sulfone) copolymers are attractive for polyelectrolyte membrane fuel cell applications due to their reportedly improved proton conductivity under partially hydrated conditions and better mechanical/thermal stability compared to Nafion. However, the long hydrophilic sequences required to achieve high conductivity usually lead to excessive water uptake and swelling, which degrade membrane dimensional stability. Herein, we report a fundamentally new approach to address this grand challenge by introducing shape-persistent triptycene units into the hydrophobic sequences of multiblock copolymers, which induce strong supramolecular chain-threading and interlocking interactions that effectively suppress water swelling. Consequently, unlike previously reported multiblock copolymer systems, the water swelling of the triptycene-containing multiblock copolymers did not increase proportionally with water uptake. This combination of high water uptake and low swelling behavior of these copolymers resulted in excellent proton conductivity and membrane dimensional stability under fully hydrated conditions. In particular, the triptycene-containing multiblock copolymer film with the longest hydrophilic block length (i.e., BPSH100-TRP0-15k-15k) had a water uptake of 105%, an excellent proton conductivity of 0.150 S/cm, and a volume swelling ratio of just 29% (more than 42% reduction compared to Nafion 212). PMID- 29219300 TI - Intermetallic: A Pseudoelement for Catalysis. AB - A clear correlation between electronic structure and CO2 selectivity for steam reforming of methanol (SRM) was obtained with PdZn, PtZn, NiZn, and PdCd intermetallics on the basis of experiments and calculations. In order to rule out the effects of oxide supports, the intermetallic powders were simply prepared by alloying in an arc furnace followed by crushing in a mortar. PdZn and PdCd exhibit valence electronic densities of states similar to that of Cu and significant chemical shifts (larger than 1 eV) of Pd 3d states with respect to pure Pd, as verified by high-resolution hard X-ray photoelectron spectroscopy (HXPS) measurements and density functional theory (DFT) calculations. Consequently, they show the similar high selectivity of CO2 for the SRM reaction. However, this is not the case for PtZn and NiZn because of the slight differences in their valence electronic structures from that of PdZn. The interval between the Fermi level and the top of the d band is closely related to the selectivity of CO2 for the SRM: the larger the interval is, the higher is the selectivity of CO2. According to DFT calculations for bulk PdZn performed by Chen et al. ( Phys. Rev. B 2003 , 68 , 075417 ), the (111) and (100) surfaces exposing Zn and Pd in an equimolar ratio are more stable than the (001) or (110) surfaces terminated by alternative Zn or Pd layers. First-principles slab calculations for PdZn, PtZn, and NiZn show that bond breaking on the surface leads to a reduction in the d bandwidth but that the d band for stable (111) or (100) surfaces remains essentially unchanged from that of the bulk. It is intriguing that PdZn and PdCd do not contain Cu but show similar valence electronic structure and catalytic selectivity, and hence, a concept is proposed where PdZn and PdCd are regarded as pseudoelements of Cu. The basis of this concept is like electronic structure, like catalysis, which has been demonstrated by experiments and calculations. This is a logical way to enable us to look for new catalysts in which precious metals are partially or completely replaced by base metals. We do not expect that this concept can be applied to all catalytic reactions, but this approach is one of most promising ways to derive a better understanding of the origin of catalytic mechanisms and eventually allow us to design useful catalysts intentionally in the future. This Account reviews the authors' published works on this topic. PMID- 29219301 TI - High-Performance Sub-Micrometer Channel WSe2 Field-Effect Transistors Prepared Using a Flood-Dike Printing Method. AB - Printing technology has potential to offer a cost-effective and scalable way to fabricate electronic devices based on two-dimensional (2D) transition metal dichalcogenides (TMDCs). However, limited by the registration accuracy and resolution of printing, the previously reported printed TMDC field-effect transistors (FETs) have relatively long channel lengths (13-200 MUm), thus suffering low current-driving capabilities (<=0.02 MUA/MUm). Here, we report a "flood-dike" self-aligned printing technique that allows the formation of source/drain metal contacts on TMDC materials with sub-micrometer channel lengths in a reliable way. This self-aligned printing technique involves three steps: (i) printing of gold ink on a WSe2 flake to form the first gold electrode, (ii) modifying the surface of the first gold electrode with a self-assembled monolayer (SAM) to lower the surface tension and render the surface hydrophobic, and (iii) printing of gold ink close to the SAM-treated first electrode at a certain distance. During the third step, the gold ink would first spread toward the edge of the first electrode and then get stopped by the hydrophobic SAM coating, ending up forming a sub-micrometer channel. With this printing technique, we have successfully downscaled the channel length to ~750 nm and achieved enhanced on state current densities of ~0.64 MUA/MUm (average) and high on/off current ratios of ~3 * 105 (average). Furthermore, with our high-performance printed WSe2 FETs, driving capabilities for quantum-dot light-emitting diodes (LEDs), inorganic LEDs, and organic LEDs have been demonstrated, which reveals the potential of using printed TMDC electronics for display backplane applications. PMID- 29219302 TI - Oxidation of Titanocene(III): The Deceptive Simplicity of a Color Change. AB - Reduction of red Cp2TiCl2 (Cp = cyclopentadienyl) with zinc dust in acetonitrile produces a blue solution of [Cp2Ti(NCMe)2]+, which when exposed to air rapidly discolors to bright yellow. This behavior makes the blue solution a handy visual indicator for the presence of oxygen, but the chemistry is considerably more complicated than the primary colors suggest at first glance. Real-time mass spectrometric and colorimetric analysis reveals that oxidation from Ti(III) to Ti(IV) produces a host of oxygen-containing complexes, whose appearance parallels the observed color changes. PMID- 29219303 TI - Explosive Reaction for Barium Niobium Perovskite Oxynitride. AB - An intense exothermic and explosive reaction between Ba(OH)2, NbCl5, and NaNH2 produced barium niobium perovskite oxynitride in seconds. The addition of hexane reduced the risk of explosion during mixing of the starting materials, and subsequent heat treatment at 498 K in hexane allowed control of this exothermic reaction, leading to formation of the perovskite oxynitride with fewer impurities. The synthesis of barium tantalum perovskite oxynitride under similar reaction conditions was successful. PMID- 29219304 TI - van der Waals Layered Materials: Opportunities and Challenges. AB - Since graphene became available by a scotch tape technique, a vast class of two dimensional (2D) van der Waals (vdW) layered materials has been researched intensively. What is more intriguing is that the well-known physics and chemistry of three-dimensional (3D) bulk materials are often irrelevant, revealing exotic phenomena in 2D vdW materials. By further constructing heterostructures of these materials in the planar and vertical directions, which can be easily achieved via simple exfoliation techniques, numerous quantum mechanical devices have been demonstrated for fundamental research and technological applications. It is, therefore, necessary to review the special features in 2D vdW materials and to discuss the remaining issues and challenges. Here, we review the vdW materials library, technology relevance, and specialties of vdW materials covering the vdW interaction, strong Coulomb interaction, layer dependence, dielectric screening engineering, work function modulation, phase engineering, heterostructures, stability, growth issues, and the remaining challenges. PMID- 29219305 TI - Brucellosis: Improved Diagnostics and Vaccine Insights from Synthetic Glycans. AB - Brucellosis is a serious zoonotic bacterial disease that is ranked by the World Health Organization among the top seven "neglected zoonoses" that threaten human health and cause poverty. It is a costly, highly contagious disease that affects ruminants, cattle, sheep, goats, and other productive animals such as pigs. Symptoms include abortions, infertility, decreased milk production, weight loss, and lameness. Brucellosis is also the most common bacterial disease that is transmitted from animals to humans, with approximately 500 000 new human cases each year. Detection and slaughter of infected animals is required to eradicate the disease, as vaccination alone is currently insufficient. However, as the most protective vaccines compromise serodiagnosis, this creates policy dilemmas, and these often result in the failure of eradication and control programs. Detection of antibodies to the Brucella bacterial cell wall O-polysaccharide (OPS) component of smooth lipopolysaccharide is used in diagnosis of this disease, and the same molecule contributes important protective efficacy to currently deployed veterinary whole-cell vaccines. This has set up a long-standing paradox that while Brucella OPS confers protective efficacy to vaccines, its presence results in similar antibody profiles in infected and vaccinated animals. Consequently, differentiation of infected from vaccinated animals (DIVA) is not possible, and this limits efforts to combat the disease. Recent clarification of the chemical structure of Brucella OPS as a block copolymer of two oligosaccharide sequences has provided an opportunity to utilize unique oligosaccharides only available via chemical synthesis in serodiagnostic tests for the disease. These oligosaccharides show excellent sensitivity and specificity compared with the native polymer used in current commercial tests and have the added advantage of assisting discrimination between brucellosis and infections caused by several bacteria with OPS that share some structural features with those of Brucella. During synthesis and immunochemical evaluation of these synthetic antigens, it became apparent that an opportunity existed to create a polysaccharide-protein conjugate vaccine that would not create antibodies that give false positive results in diagnostic tests for infection. This objective was reduced to practice, and immunization of mice showed that antibodies to the Brucella A antigen could be developed without reacting in a diagnostic test based on the M antigen. A conjugate vaccine of this type could readily be developed for use in humans and animals. However, as chemical methods advance and modern methods of bacterial engineering mature, it is expected that the principles elucidated by these studies could be applied to the development of an inexpensive and cost effective vaccine to combat endemic brucellosis in animals. PMID- 29219307 TI - FeCl3-Promoted [3 + 2] Annulations of gamma-Butyrolactone Fused Cyclopropanes with Heterocumulenes. AB - The [3 + 2] annulations of gamma-butyrolactone fused donor-acceptor (D-A) cyclopropanes with aromatic isothiocyanates and dialkyl carbodiimides promoted by FeCl3 is reported. A series of bicyclic/polycyclic gamma-butyrolactone fused thioimidates and gamma-butyrolactone fused amidines containing four contiguous stereogenic centers were obtained in excellent yields as single stereoisomers. PMID- 29219306 TI - The Key RuV=O Intermediate of Site-Isolated Mononuclear Water Oxidation Catalyst Detected by in Situ X-ray Absorption Spectroscopy. AB - Improvement of the oxygen evolution reaction (OER) is a challenging step toward the development of sustainable energy technologies. Enhancing the OER rate and efficiency relies on understanding the water oxidation mechanism, which entails the characterization of the reaction intermediates. Very active Ru-bda type (bda is 2,2'-bipyridine-6,6'-dicarboxylate) molecular OER catalysts are proposed to operate via a transient 7-coordinate RuV?O intermediate, which so far has never been detected due to its high reactivity. Here we prepare and characterize a well defined supported Ru(bda) catalyst on porous indium tin oxide (ITO) electrode. Site isolation of the catalyst molecules on the electrode surface allows trapping of the key 7-coordinate RuV?O intermediate at potentials above 1.34 V vs NHE at pH 1, which is characterized by electron paramagnetic resonance and in situ X-ray absorption spectroscopies. The in situ extended X-ray absorption fine structure analysis shows a Ru?O bond distance of 1.75 +/- 0.02 A, consistent with computational results. Electrochemical studies and density functional theory calculations suggest that the water nucleophilic attack on the surface-bound RuV?O intermediate (O-O bond formation) is the rate limiting step for OER catalysis at low pH. PMID- 29219308 TI - BF3.OEt2-Mediated Tandem Annulation: A Strategy To Construct Functionalized Chromeno- and Pyrano-Fused Pyridines. AB - A simple and efficient one-pot annulation of arylidenones, alkynes, and nitriles in the presence of BF3.OEt2 is described. A highly functionalized variety of N substituted pyridine-fused chromeno and pyrano derivatives were obtained with satisfactory yields under mild reaction conditions. The method was proven to be valid for the synthesis of a diverse library of chromeno[3,4-c]pyridines, thiochromeno[3,4-c]pyridines, pyrano[3,4-c]pyridines, and thiopyrano[3,4 c]pyridine derivatives from readily accessible substrates. This experimentally simple protocol provides structurally complex, biologically relevant heterocycles in a one-pot operation. PMID- 29219309 TI - Assessing the Potential for Oligomer Formation from the Reactions of Lactones in Secondary Organic Aerosols. AB - Laboratory and field measurements have demonstrated that 2-methyl glyceric acid (2-MG) is the base component of a wide range of chemical species found in methacrolein-derived secondary organic aerosol (SOA). In order to explore the recently proposed hypothesis that a lactone oxidation intermediate is the origin of 2-MG and its derivatives in SOA, nuclear magnetic resonance techniques were used to study kinetics and reaction products of the aqueous phase reactions of a model lactone, beta-propiolactone (BPL). BPL was found to react with a lifetime of 4-10 h (depending on solution conditions) via a general acid catalyzed mechanism, which suggests that lactones similar to BPL are reactive on an atmospherically relevant time scale. BPL was also shown to form a variety of nucleophilic addition products (organosulfates and nitrates and oligomers) similar to the 2-MG-based species observed in previous experiments involving the photooxidation and SOA processing of methacrolein. While many of the BPL reaction products could be rationalized via an epoxide-like nucleophilic addition mechanism, evidence for ester-like nucleophilic addition was suggested through the observation of inorganic ion-catalyzed oligomer formation. The formation of oligomers was found to depend strongly on the proportion of organic acid nucleophile present in its deprotonated form. Therefore, due to the nature of the general acid catalysis and importance of deprotonated acids for efficient BPL oligomerization, it is suggested that oligomerization from lactone intermediates will be more efficient at higher SOA pH values. This result may help explain why overall isoprene-derived SOA formation has been observed to be largely pH independent. Overall, the results strongly support the previous conclusion that a lactone intermediate is responsible for the formation of 2-MG-related species found in methacrolein-derived SOA. PMID- 29219310 TI - Synchrotron Photoionization Study of Furan and 2-Methylfuran Reactions with Methylidyne Radical (CH) at 298 K. AB - The reactions of furan and 2-methylfuran with methylidyne CH (X2Pi) radical were investigated at 298 K using synchrotron radiation produced at the Advanced Light Source of the Lawrence Berkeley National Laboratory. Reaction products were observed by multiplexed photoionization mass spectrometry and characterized based on their photoionization spectra and kinetic time traces. Primary products observed in furan + CH are 2,4-cyclopentadien-1-one (m/z = 80), 2-penten-4-ynal (m/z = 80), and vinylacetylene (m/z = 52). From 2-methylfuran + CH, 2-4 cyclopentadien-1-carbaldehyde (m/z = 94), 2,3,4-hexatrienal (m/z = 94), 1,3 cyclopentadiene (m/z = 66), 3-penten-1-yne (Z) (m/z = 66), and vinylacetylene (m/z = 52) are the primary products observed. Using potential energy surface scans, thermodynamically favorable reaction pathways are proposed. CH addition to the pi-bonds in furan and 2-methylfuran rings was found to be the entrance channel that led to formation of all identified primary products. Both reactions follow patterns of H loss and CHO loss, as well as formation of cyclic and acyclic isomers. PMID- 29219311 TI - Multicomponent, Enantioselective Michael-Michael-Aldol-beta-Lactonizations Delivering Complex beta-Lactones. AB - Optically active, tertiary amine Lewis bases react with unsaturated acid chlorides to deliver chiral, alpha,beta-unsaturated acylammonium salts. These intermediates participate in a catalytic, enantioselective, three-component process delivering bi- and tricyclic beta-lactones through a Michael-Michael aldol-beta-lactonization. In a single operation, the described multicomponent, organocascade process forms complex bi- and tricyclic beta-lactones by generating four new bonds, two rings, and up to four contiguous stereocenters. In the racemic series, yields of 22-75% were achieved using 4-pyrrolidinopyridine as Lewis base. In the enantioselective series employing isothiourea catalysts, a kinetic resolution of the initially formed racemic Michael adduct appears operative, providing yields of 46% to quantitative (based on 50% max) with up to 94:6 er. Some evidence for a dynamic kinetic asymmetric transformation for tricyclic-beta-lactone 1d was obtained following optimization (yields up to 61%, 94:6 er) through a presumed reversible Michael. PMID- 29219312 TI - Broad Synthesis of Disubstituted Dihydrofuran-Fused [60]Fullerene Derivatives via Cu(I)/Ag(I)-Mediated Synergistic Annulation Reaction. AB - A novel and efficient Cu(I)/Ag(I)-mediated synergistic annulation reaction of [60]fullerene with diarylethanones, benzoylacetonitriles, and beta-dicarbonyl compounds has been developed for the direct construction of diverse disubstituted dihydrofuran-fused [60]fullerene derivatives. This transformation exhibits a remarkably broad substrate scope and functional group tolerance and provides a useful method to a scarce class of fullerene derivatives. PMID- 29219313 TI - Characterizing the Tautomers of Protonated Aniline Using Differential Mobility Spectrometry and Mass Spectrometry. AB - The site of protonation for gas-phase aniline has been debated for many years, with many research groups contributing experimental and computational evidence for either the amino-protonated or the para-carbon-protonated tautomer as the gas phase global minimum structure. Here, we employ differential mobility spectrometry (DMS) and mass spectrometry (MS) to separate and characterize the amino-protonated (N-protonated) and para-carbon-protonated ( p-protonated) tautomers of aniline. We demonstrate that upon electrospray ionization (ESI), aniline is protonated predominantly at the amino position. Similar analyses are conducted on another three isotopically labeled forms of aniline to confirm our structural assignments. We observe a significant reduction of the relative population of the p-protonated tautomer when a protic ESI solvent is employed (methanol/water) compared to when an aprotic solvent (acetonitrile) is employed. We also observe conversion of the p-protonated species into the N-protonated species upon clustering with protic solvent vapor post-DMS selection-a finding supported by previous experimental data acquired using DMS-MS. PMID- 29219314 TI - Isoprene-Derived Organosulfates: Vibrational Mode Analysis by Raman Spectroscopy, Acidity-Dependent Spectral Modes, and Observation in Individual Atmospheric Particles. AB - Isoprene, the most abundant biogenic volatile organic compound (BVOC) in the atmosphere, and its low-volatility oxidation products lead to secondary organic aerosol (SOA) formation. Isoprene-derived organosulfates formed from reactions of isoprene oxidation products with sulfate in the particle phase are a significant component of SOA and can hydrolyze forming polyols. Despite characterization by mass spectrometry, their basic structural and spectroscopic properties remain poorly understood. Herein, Raman microspectroscopy and density functional theory (DFT) calculations (CAM-B3LYP level of theory) were combined to analyze the vibrational modes of key organosulfates, 3-methyltetrol sulfate esters (racemic mixture of two isomers), and racemic 2-methylglyceric acid sulfate ester, and hydrolysis products, 2-methyltetrols, and 2-methylglyceric acid. Two intense vibrational modes were identified, nu(RO-SO3) (846 +/- 4 cm-1) and nus(SO3) (1065 +/- 2 cm-1), along with a lower intensity delta(SO3) mode (586 +/- 2 cm-1). For 2 methylglyceric acid and its sulfate esters, deprotonation of the carboxylic acid at pH values above the pKa decreased the carbonyl stretch frequency (1724 cm-1), while carboxylate modes grew in for nus(COO-) and nua(COO-) at 1413 and 1594 cm 1, respectively. The nu(RO-SO3) and nus(SO3) modes were observed in individual atmospheric particles and can be used in future studies of complex SOA mixtures to distinguish organosulfates from inorganic sulfate or hydrolysis products. PMID- 29219315 TI - Calculation of Standard Reduction Potentials of Amino Acid Radicals and the Effects of Water and Incorporation into Peptides. AB - Guanine (Guo) is generally accepted as the most easily oxidized DNA base when cells are subjected to ionizing radiation; calculations of the standard reduction potential of the guanyl radical, Eo(Guo*+/Guo) are within ~0.1 V of experimental values in aqueous solution extrapolated to standard conditions. While a number of experimental studies have shown some amino acid radicals have redox properties at pH 7 which suggest or confirm a capacity for radical "repair" by electron transfer from the amino acid to Guo*+ (or its deprotonated conjugate), the redox properties of the radicals of other amino acids, including methionine, lysine and cystine, are less well characterized. In addition, the effects of incorporation of the amino acids into peptides, or the effects of water of hydration on calculated potentials, have not been extensively studied. In this work, calculations of standard reduction potentials of radicals from model amino acids as they appear in histone proteins are performed. To predict redox properties at pH 7, acid dissociation constants (pKas) of both radical and ground state amino acids are required. In some instances these are not experimentally determined and calculated pKas have been derived for some common amino acids and compared with experimental values. PMID- 29219316 TI - From the Promiscuous Asenapine to Potent Fluorescent Ligands Acting at a Series of Aminergic G-Protein-Coupled Receptors. AB - Monoamine neurotransmitters such as serotonin, dopamine, histamine, and noradrenaline have important and varied physiological functions and similar chemical structures. Representing important pharmaceutical drug targets, the corresponding G-protein-coupled receptors (termed aminergic GPCRs) belong to the class of cell membrane receptors and share many levels of similarity as well. Given their pharmacological and structural closeness, one could hypothesize the possibility to derivatize a ubiquitous ligand to afford rapidly fluorescent probes for a large set of GPCRs to be used for instance in FRET-based binding assays. Here we report fluorescent derivatives of the nonselective agent asenapine which were designed, synthesized, and evaluated as ligands of 34 serotonin, dopamine, histamine, melatonin, acetylcholine, and adrenergic receptors. It appears that this strategy led rapidly to the discovery and development of nanomolar affinity fluorescent probes for 14 aminergic GPCRs. Selected probes were tested in competition binding assays with unlabeled competitors in order to demonstrate their suitability for drug discovery purposes. PMID- 29219317 TI - Single-Step Binary Electrostatic Directed Assembly of Active Nanogels for Smart Concentration-Dependent Encryption. AB - Anionic and cationic (N-isopropylacrylamide derivatives) active colloidal hydrogel nanoparticles, i.e., nanogels, are electrostatically assembled on surfaces to form microscale patterns with complex geometries. While using mixed dispersions of these two kinds of nanogels, we demonstrate the capability of sorting the nanogels in one step to form binary nanogel patterns on a surface. These patterns appear independently or simultaneously depending on the relative proportion of each nanogel type in the mixture. Hence, the resulting nanogel patterns provide quantitative information regarding the dispersion composition and can be used to achieve smart concentration-dependent nanogel encryption. Moreover, atomic force microscopy characterization measurements performed in liquid prove that the assembled nanogels maintain their swelling/deswelling properties once attached to the surface. Consequently, this method paves the way for applying such active nanogel patterns to produce smart coatings and sensors. PMID- 29219318 TI - How Inter- and Intramolecular Processes Dictate Aggregation-Induced Emission in Crystals Undergoing Excited-State Proton Transfer. AB - Aggregation-induced emission (AIE) offers a route for the development of luminescent technologies with high quantum efficiencies. Excited-state intramolecular proton transfer (ESIPT) coupled to AIE can produce devices with emission across the visible spectrum. We use a combination of theoretical models to determine the factors that mediate fluorescence in molecular crystals undergoing ESIPT. Using two materials based on 2'-hydroxychalcone as exemplar cases, we analyze how inter- and intramolecular processes determine the emissive properties in the crystal environment. This systematic investigation extends the current interpretation of AIE to polar chromophores with multiple decay pathways. We find that population of nonradiative pathways is dictated by the electronic effects of the substituents and the degree of distortion allowed in the crystal environment. Localization of the electron density is crucial to maximize fluorescence via ESIPT. Our conclusions offer design strategies for the development of luminescent molecular crystals. PMID- 29219319 TI - Cooperative Activating Effect of Tertiary Amine/DMSO on Elemental Sulfur: Direct Access to Thioaurones from 2'-Nitrochalcones under Mild Conditions. AB - A new mode for the activation of elemental sulfur is reported. In the presence of both DMSO and a tertiary aliphatic amine (triethylamine or N-methylpiperidine), this element reacts directly with a wide range of 2'-nitrochalcones 1 to provide the corresponding thioaurones 2 in high yields even at room temperature and in the absence of transition metal catalyst. PMID- 29219320 TI - Copper-Mediated Cascade C-H/N-H Annulation of Indolocarboxamides with Arynes: Construction of Tetracyclic Indoloquinoline Alkaloids. AB - An efficient and environmentally benign Cu-mediated method was developed for direct cascade C-H/N-H annulation to construct polyheterocyclic indoloquinoline scaffolds. This method highlights an emerging strategy for transforming inert C-H bonds into versatile functional groups in organic synthesis and provides a new versatile approach for the efficient synthesis of indolo[3,2-c] and [2,3 c]quinoline alkaloids. PMID- 29219321 TI - SHetA2 Dry Powder Aerosols for Tuberculosis: Formulation, Design, and Optimization Using Quality by Design. AB - Tuberculosis (TB) is a life threatening pulmonary infection caused by Mycobacterium tuberculosis (MTB). Current treatments are complex, lengthy, and associated with severe side effects that decrease patient compliance and increase the probability of the emergence of drug resistant strains. Thus, more effective drugs with little to no side effects are needed to diversify the armamentarium against the global TB epidemic. SHetA2, an anticancer compound with null toxicity at doses much higher than the effective dose, was recently discovered to be active against MTB. In the present study, a dry powder formulation of SHetA2 for pulmonary delivery was developed to overcome its poor aqueous solubility and to maximize its concentration in the lungs, the main site of TB infection. Using quality by design (QbD) methodology, three different formulations of SHetA2 microparticles (MPs) were designed, manufactured, and optimized, SHetA2 alone, SHetA2 PLGA, and SHetA2 mannitol MPs, to maximize the drug dose, target alveolar macrophages, and increase drug solubility, respectively. The resulting three SHetA2 MP formulations had spherical shape with particle size ranging from 1 to 3 MUm and a narrow size distribution, suitable for uniform delivery to the alveolar region of the lungs. Upon dispersion with the Aerolizer dry powder inhaler (DPI), all three SHetA2 MP formulations had aerodynamic diameters smaller than 3.3 MUm and fine particle fractions (FPF4.46) greater than 77%. SHetA2 remained chemically stable after MP manufacture by spray drying, but the drug transformed from the crystalline to the amorphous form, which significantly enhanced the solubility of SHetA2. Using a custom-made dissolution apparatus, the FPF4.46 of SHetA2 MP dissolved much faster and to a greater extent (21.19 +/- 4.40%) than the unprocessed drug (3.51 +/- 0.9%). Thus, the physicochemical characteristics, in vitro aerosol performance, and dissolution rate of the optimized SHetA2 MPs appear to be suitable to achieve therapeutic concentrations in the lungs. PMID- 29219322 TI - Iridium-Catalyzed Hydrosilylation of Sulfur-Containing Olefins. AB - Hydrosilylation of various sulfur-containing olefins with (RO)3SiH has been achieved using iridium catalysts [IrX(cod)]2 (X = Cl, SPh). The catalysis is applicable to the chemoselective hydrosilylation of thioacetate, which enables the preparation of an industrially important silane coupling agent. PMID- 29219323 TI - Di-2-(2-oxindolin-3-ylidene)malononitrile Derivatives for N-Type Air-Stable Organic Field-Effect Transistors. AB - The nitrogenization of phenyl rings on DIM derivatives not only enhances molecular coplanarity but also stabilizes molecular LUMO levels, favoring charge transfer and improving air stability. Therefore, n-type organic field-effect transistors (OFETs) that are based on DIM-N2C8 with nitrogen atoms on both sides of the phenyl rings exhibit a moderate electron mobility of 0.059 cm2 V-1 s-1 under ambient conditions. PMID- 29219324 TI - Total Synthesis of Huperzine R. AB - A total synthesis of huperzine R was accomplished. Intramolecular cycloaddition of a nitrile oxide and reductive cleavage of the resulting isoxazoline induced sequential cleavage of the C-C and C-O bonds to form the characteristic bicyclic lactam core with an enone moiety. Construction of the butenolide moiety from the enone afforded huperzine R. PMID- 29219325 TI - Role of Drug Adsorption onto the Silica Surface in Drug Release from Mesoporous Silica Systems. AB - Factors contributing to incomplete drug release from a number of mesoporous silica formulations are not well understood. This study aims to address this gap in knowledge by exploring the role of drug adsorption onto silica substrates during the drug release process in dissolution media. Adsorption isotherms were generated to understand drug adsorption behavior onto the silica surface. Two silica materials were selected (SBA-15 (mesoporous) and Aerosil 200 (nonporous)) to investigate the influence of porous architecture on the adsorption/dissolution processes. The ability of the dissolution medium to wet the silica surface, particularly the porous network, was investigated by the addition of a surfactant to the dissolution medium. The results demonstrated that a larger amount of drug was bound/m2 to the nonporous surface than to the mesoporous material. Adsorption isotherms proved useful in understanding drug adsorption/release behavior for the nonporous silica formulation. However, the quantity of drug remaining on the mesoporous silica surface after dissolution was significantly higher than the amount predicted using adsorption isotherm data. These results suggest that a fraction of loaded drug molecules were tightly bound to the silica surface or attached to sites which are inaccessible for the dissolution media. The presence of surfactant, sodium dodecyl sulfate, in the media enhanced drug release from the silica surface. This behavior can be attributed to both the improved wetting characteristics of the media and adsorption of the surfactant to the silica surface. The findings of this study reinforce the significance of the role that silica porous architecture plays in the dissolution process and indicates that accessible surface area is an important parameter to consider for mesoporous systems in relation to drug release. PMID- 29219326 TI - Boosting the Efficiency of Quantum Dot-Sensitized Solar Cells through Formation of the Cation-Exchanged Hole Transporting Layer. AB - In search of a viable way to enhance the power conversion efficiency (PCE) of quantum dot-sensitized solar cells, we have designed a method by introducing a hole transporting layer (HTL) of p-type CuS through partial cation exchange process in a postsynthetic ligand-assisted assembly of nanocrystals (NCs). High quality CdSe and CdSSe gradient alloy NCs were synthesized through colloidal method, and the charge carrier dynamics was monitored through ultrafast transient absorption measurements. A notable increase in the short-circuit current concomitant with the increase in open-circuit voltage and the fill factor led to 45% increment in PCE for CdSe-based solar cells upon formation of the CuS HTL. Electrochemical impedance spectroscopy further revealed that the CuS layer formation increases recombination resistance at the TiO2/NC/electrolyte interface, implying that interfacial recombination gets drastically reduced because of smooth hole transfer to the redox electrolyte. Utilizing the same approach for CdSSe alloy NCs, the highest PCE (4.03%) was obtained upon CuS layer formation compared to 3.26% PCE for the untreated one and 3.61% PCE with the conventional ZnS coating. Therefore, such strategies will help to overcome the kinetic barriers of hole transfer to electrolytes, which is one of the major obstacles of high-performance devices. PMID- 29219327 TI - Forced Imbibition in Porous Media: A Fourfold Scenario. AB - We establish a comprehensive description of the patterns formed when a wetting liquid displaces a viscous fluid confined in a porous medium. Building on model microfluidic experiments, we evidence four imbibition scenarios all yielding different large-scale morphologies. Combining high-resolution imaging and confocal microscopy, we show that they originate from two liquid-entrainment transitions and a Rayleigh-Plateau instability at the pore scale. Finally, we demonstrate and explain the long-time coarsening of the resulting patterns. PMID- 29219328 TI - Determination of Hydrogen Density by Swift Heavy Ions. AB - A novel method to determine the total hydrogen density and, accordingly, a precise plasma temperature in a lowly ionized hydrogen plasma is described. The key to the method is to analyze the energy loss of swift heavy ions interacting with the respective bound and free electrons of the plasma. A slowly developing and lowly ionized hydrogen theta-pinch plasma is prepared. A Boltzmann plot of the hydrogen Balmer series and the Stark broadening of the H_{beta} line preliminarily defines the plasma with a free electron density of (1.9+/ 0.1)*10^{16} cm^{-3} and a free electron temperature of 0.8-1.3 eV. The temperature uncertainty results in a wide hydrogen density, ranging from 2.3*10^{16} to 7.8*10^{18} cm^{-3}. A 108 MHz pulsed beam of ^{48}Ca^{10+} with a velocity of 3.652 MeV/u is used as a probe to measure the total energy loss of the beam ions. Subtracting the calculated energy loss due to free electrons, the energy loss due to bound electrons is obtained, which linearly depends on the bound electron density. The total hydrogen density is thus determined as (1.9+/ 0.7)*10^{17} cm^{-3}, and the free electron temperature can be precisely derived as 1.01+/-0.04 eV. This method should prove useful in many studies, e.g., inertial confinement fusion or warm dense matter. PMID- 29219330 TI - Favorable Concurrence of Static and Dynamic Phenomena at the Morphotropic Phase Boundary of xBiNi_{0.5}Zr_{0.5}O_{3}-(1-x)PbTiO_{3}. AB - We reveal that concurrent events of inherent entropy boosting and increased synchronization between A- and B-site cation vibrations of an ABO_{3}-type perovskite structure give rise to a larger piezoelectric response in a ferroelectric system at its morphotropic phase boundary (MPB). It is further evident that the superior piezoelectric properties of xBiNi_{0.5}Zr_{0.5}O_{3}-(1 x)PbTiO_{3} in comparison to xBiNi_{0.5}Ti_{0.5}O_{3}-(1-x)PbTiO_{3} are due to the absolute flattening of the local potentials for all ferroelectrically active cations with a higher spontaneous polarization at the MPB. These distinctive features are discovered from the analyses of neutron pair distribution functions and Raman scattering data at ambient conditions, which are particularly sensitive to mesoscopic-scale structural correlations. Altogether this uncovers more fundamental structure-property connections for ferroelectric systems exhibiting a MPB, and thereby has a critical impact in contriving efficient novel materials. PMID- 29219331 TI - Competition between Chaotic and Nonchaotic Phases in a Quadratically Coupled Sachdev-Ye-Kitaev Model. AB - The Sachdev-Ye-Kitaev (SYK) model is a concrete solvable model to study non-Fermi liquid properties, holographic duality, and maximally chaotic behavior. In this work, we consider a generalization of the SYK model that contains two SYK models with a different number of Majorana modes coupled by quadratic terms. This model is also solvable, and the solution shows a zero-temperature quantum phase transition between two non-Fermi liquid chaotic phases. This phase transition is driven by tuning the ratio of two mode numbers, and a nonchaotic Fermi liquid sits at the critical point with an equal number of modes. At a finite temperature, the Fermi liquid phase expands to a finite regime. More intriguingly, a different non-Fermi liquid phase emerges at a finite temperature. We characterize the phase diagram in terms of the spectral function, the Lyapunov exponent, and the entropy. Our results illustrate a concrete example of the quantum phase transition and critical behavior between two non-Fermi liquid phases. PMID- 29219332 TI - Heavy-Quark Symmetry Implies Stable Heavy Tetraquark Mesons Q_{i}Q_{j}q[over ]_{k}q[over -]_{l}. AB - For very heavy quarks Q, relations derived from heavy-quark symmetry predict the existence of novel narrow doubly heavy tetraquark states of the form Q_{i}Q_{j}q[over -]_{k}q[over -]_{l} (subscripts label flavors), where q designates a light quark. By evaluating finite-mass corrections, we predict that double-beauty states composed of bbu[over -]d[over -], bbu[over -]s[over -], and bbd[over -]s[over -] will be stable against strong decays, whereas the double charm states ccq[over -]_{k}q[over -]_{l}, mixed beauty+charm states bcq[over ]_{k}q[over -]_{l}, and heavier bbq[over -]_{k}q[over -]_{l} states will dissociate into pairs of heavy-light mesons. Observation of a new double-beauty state through its weak decays would establish the existence of tetraquarks and illuminate the role of heavy color-antitriplet diquarks as hadron constituents. PMID- 29219333 TI - Ultrafast Generation of Unconventional {001} Loops in Si. AB - Ultrafast laser annealing of ion implanted Si has led to thermodynamically unexpected large {001} self-interstitial loops, and the failure of Ostwald ripening models for describing self-interstitial cluster growth. We have carried out molecular dynamics simulations in combination with focused experiments in order to demonstrate that at temperatures close to the melting point, self interstitial rich Si is driven into dense liquidlike droplets that are highly mobile within the solid crystalline Si matrix. These liquid droplets grow by a coalescence mechanism and eventually transform into {001} loops through a liquid to-solid phase transition in the nanosecond time scale. PMID- 29219334 TI - Signatures of Electronic Structure in Bicircular High-Harmonic Spectroscopy. AB - High-harmonic spectroscopy driven by circularly polarized laser pulses and their counterrotating second harmonic is a new branch of attosecond science which currently lacks quantitative interpretations. We extend this technique to the midinfrared regime and record detailed high-harmonic spectra of several rare-gas atoms. These results are compared with the solution of the Schrodinger equation in three dimensions and calculations based on the strong-field approximation that incorporate accurate scattering-wave recombination matrix elements. A quantum orbit analysis of these results provides a transparent interpretation of the measured intensity ratios of symmetry-allowed neighboring harmonics in terms of (i) a set of propensity rules related to the angular momentum of the atomic orbitals, (ii) atom-specific matrix elements related to their electronic structure, and (iii) the interference of the emissions associated with electrons in orbitals corotating or counterrotating with the laser fields. These results provide the foundation for a quantitative understanding of bicircular high harmonic spectroscopy. PMID- 29219335 TI - Experimental Observation of Convective Cell Formation due to a Fast Wave Antenna in the Large Plasma Device. AB - An experiment in a linear device, the Large Plasma Device, is used to study sheaths caused by an actively powered radio frequency (rf) antenna. The rf antenna used in the experiment consists of a single current strap recessed inside a copper box enclosure without a Faraday screen. A large increase in the plasma potential was observed along magnetic field lines that connect to the antenna limiter. The electric field from the spatial variation of the rectified plasma potential generated E[over ->]*B[over ->]_{0} flows, often referred to as convective cells. The presence of the flows generated by these potentials is confirmed by Mach probes. The observed convective cell flows are seen to cause the plasma in front of the antenna to flow away and cause a density modification near the antenna edge. These can cause hot spots and damage to the antenna and can result in a decrease in the ion cyclotron range of frequencies antenna coupling. PMID- 29219329 TI - First Exclusive Measurement of Deeply Virtual Compton Scattering off ^{4}He: Toward the 3D Tomography of Nuclei. AB - We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The experiment uses the 6 GeV electron beam from the Continuous Electron Beam Accelerator Facility (CEBAF) accelerator at Jefferson Lab incident on a pressurized ^{4}He gaseous target placed in front of the CEBAF Large Acceptance Spectrometer (CLAS). The scattered electron is detected by CLAS and the photon by a dedicated electromagnetic calorimeter at forward angles. To ensure the exclusivity of the process, a specially designed radial time projection chamber is used to detect the recoiling ^{4}He nuclei. We measure beam-spin asymmetries larger than those observed on the free proton in the same kinematic domain. From these, we are able to extract, in a model-independent way, the real and imaginary parts of the only ^{4}He Compton form factor, H_{A}. This first measurement of coherent deeply virtual Compton scattering on the ^{4}He nucleus, with a fully exclusive final state via nuclear recoil tagging, leads the way toward 3D imaging of the partonic structure of nuclei. PMID- 29219336 TI - Giant Spin Lifetime Anisotropy in Graphene Induced by Proximity Effects. AB - We report on fundamental aspects of spin dynamics in heterostructures of graphene and transition metal dichalcogenides (TMDCs). By using realistic models derived from first principles we compute the spin lifetime anisotropy, defined as the ratio of lifetimes for spins pointing out of the graphene plane to those pointing in the plane. We find that the anisotropy can reach values of tens to hundreds, which is unprecedented for typical 2D systems with spin-orbit coupling and indicates a qualitatively new regime of spin relaxation. This behavior is mediated by spin-valley locking, which is strongly imprinted onto graphene by TMDCs. Our results indicate that this giant spin lifetime anisotropy can serve as an experimental signature of materials with strong spin-valley locking, including graphene-TMDC heterostructures and TMDCs themselves. Additionally, materials with giant spin lifetime anisotropy can provide an exciting platform for manipulating the valley and spin degrees of freedom, and for designing novel spintronic devices. PMID- 29219337 TI - Sliding Drops: Ensemble Statistics from Single Drop Bifurcations. AB - Ensembles of interacting drops that slide down an inclined plate show a dramatically different coarsening behavior as compared to drops on a horizontal plate: As drops of different size slide at different velocities, frequent collisions result in fast coalescence. However, above a certain size individual sliding drops are unstable and break up into smaller drops. Therefore, the long time dynamics of a large drop ensemble is governed by a balance of merging and splitting. We employ a long-wave film height evolution equation and determine the dynamics of the drop size distribution towards a stationary state from direct numerical simulations on large domains. The main features of the distribution are then related to the bifurcation diagram of individual drops obtained by numerical path continuation. The gained knowledge allows us to develop a Smoluchowski-type statistical model for the ensemble dynamics that well compares to full direct simulations. PMID- 29219339 TI - Unexpected Sensitivity of Nitrogen Ions Superradiant Emission on Pump Laser Wavelength and Duration. AB - Nitrogen molecules in ambient air exposed to an intense near-infrared femtosecond laser pulse give rise to cavity-free superradiant emission at 391.4 and 427.8 nm. An unexpected pulse duration-dependent cyclic variation of the superradiance intensity is observed when the central wavelength of the femtosecond pump laser pulse is finely tuned between 780 and 820 nm, and no signal occurs at the resonant wavelength of 782.8 nm (2omega_{782.8 nm}=omega_{391.4 nm}). On the basis of a semiclassical recollision model, we show that an interference of dipolar moments of excited ions created by electron recollisions explains this behavior. PMID- 29219338 TI - Publisher's Note: JLab Measurements of the ^{3}He Form Factors at Large Momentum Transfers [Phys. Rev. Lett. 119, 162501 (2017)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.119.162501. PMID- 29219340 TI - Superconducting-Gravimeter Tests of Local Lorentz Invariance. AB - Superconducting-gravimeter measurements are used to test the local Lorentz invariance of the gravitational interaction and of matter-gravity couplings. The best laboratory sensitivities to date are achieved via a maximum-reach analysis for 13 Lorentz-violating operators, with some improvements exceeding an order of magnitude. PMID- 29219341 TI - Interaction Dependent Heating and Atom Loss in a Periodically Driven Optical Lattice. AB - Periodic driving of optical lattices has enabled the creation of novel band structures not realizable in static lattice systems, such as topological bands for neutral particles. However, especially driven systems of interacting bosonic particles often suffer from strong heating. We have systematically studied heating in an interacting Bose-Einstein condensate in a driven one-dimensional optical lattice. We find interaction dependent heating rates that depend on both the scattering length and the driving strength and identify the underlying resonant intra- and interband scattering processes. By comparing the experimental data and theory, we find that, for driving frequencies well above the trap depth, the heating rate is dramatically reduced by the fact that resonantly scattered atoms leave the trap before dissipating their energy into the system. This mechanism of Floquet evaporative cooling offers a powerful strategy to minimize heating in Floquet engineered quantum gases. PMID- 29219342 TI - Block Analysis for the Calculation of Dynamic and Static Length Scales in Glass Forming Liquids. AB - We present block analysis, an efficient method of performing finite-size scaling for obtaining the length scale of dynamic heterogeneity and the point-to-set length scale for generic glass-forming liquids. This method involves considering blocks of varying sizes embedded in a system of a fixed (large) size. The length scale associated with dynamic heterogeneity is obtained from a finite-size scaling analysis of the dependence of the four-point dynamic susceptibility on the block size. The block size dependence of the variance of the alpha relaxation time yields the static point-to-set length scale. The values of the obtained length scales agree quantitatively with those obtained from other conventional methods. This method provides an efficient experimental tool for studying the growth of length scales in systems such as colloidal glasses for which performing finite-size scaling by carrying out experiments for varying system sizes may not be feasible. PMID- 29219343 TI - Revision of Bubble Bursting: Universal Scaling Laws of Top Jet Drop Size and Speed. AB - The collapse of a bubble of radius R_{o} at the surface of a liquid generating a liquid jet and a subsequent first drop of radius R is universally scaled using the Ohnesorge number Oh=MU/(rhosigmaR_{o})^{1/2} and a critical value Oh^{*} below which no droplet is ejected; rho, sigma, and MU are the liquid density, surface tension, and viscosity, respectively. First, a flow field analysis at ejection yields the scaling of R with the jet velocity V as R/l_{MU}~(V/V_{MU})^{ 5/3}, where l_{MU}=MU^{2}/(rhosigma) and V_{MU}=sigma/MU. This resolves the scaling problem of curvature reversal, a prelude to jet formation. In addition, the energy necessary for the ejection of a jet with a volume and averaged velocity proportional to R_{o}R^{2} and V, respectively, comes from the energy excess from the total available surface energy, proportional to sigmaR_{o}^{2}, minus the one dissipated by viscosity, proportional to MU(sigmaR_{o}^{3}/rho)^{1/2}. Using the scaling variable phi=(Oh^{*}-Oh)Oh^{-2}, it yields V/V_{MU}=k_{v}phi^{-3/4} and R/l_{MU}=k_{d}phi^{5/4}, which collapse published data since 1954 and resolve the scaling of R and V with k_{v}=16, k_{d}=0.6, and Oh^{*}=0.043 when gravity effects are negligible. PMID- 29219344 TI - Origin of Negative Longitudinal Piezoelectric Effect. AB - Piezoelectrics with negative longitudinal piezoelectric coefficients will contract in the direction of an applied electric field. Such piezoelectrics are thought to be rare, but there is no fundamental physics preventing the realization of negative longitudinal piezoelectric effect in a single-phase material. Using first-principles calculations, we demonstrate that several hexagonal ABC ferroelectrics possess significant negative longitudinal piezoelectric effects. The data mining of a first-principles-based database of piezoelectrics reveals that this effect is a general phenomenon. The origin of this unusual piezoelectric response relies on the strong ionic bonds associated with small effective charges and rigid potential energy surfaces. Moreover, ferroelectrics with negative longitudinal piezoelectric coefficients show anomalous pressure-enhanced ferroelectricity. Our results offer design principles to aid the search for new piezoelectrics for novel electromechanical device applications. PMID- 29219345 TI - Double-Cascade Events from New Physics in Icecube. AB - A variety of new physics models allows for neutrinos to up-scatter into heavier states. If the incident neutrino is energetic enough, the heavy neutrino may travel some distance before decaying. In this work, we consider the atmospheric neutrino flux as a source of such events. At IceCube, this would lead to a "double-bang" (DB) event topology, similar to what is predicted to occur for tau neutrinos at ultrahigh energies. The DB event topology has an extremely low background rate from coincident atmospheric cascades, making this a distinctive signature of new physics. Our results indicate that IceCube should already be able to derive new competitive constraints on models with GeV-scale sterile neutrinos using existing data. PMID- 29219346 TI - Angular Momentum of Topologically Structured Darkness. AB - We theoretically analyze and experimentally measure the extrinsic angular momentum contribution of topologically structured darkness found within fractional vortex beams, and show that this structured darkness can be explained by evanescent waves at phase discontinuities in the generating optic. We also demonstrate the first direct measurement of the intrinsic orbital angular momentum of light with both intrinsic and extrinsic angular momentum, and explain why the total orbital angular momenta of fractional vortices do not match the winding number of their generating phases. PMID- 29219347 TI - Long-Lived Inverse Chirp Signals from Core-Collapse in Massive Scalar-Tensor Gravity. AB - This Letter considers stellar core collapse in massive scalar-tensor theories of gravity. The presence of a mass term for the scalar field allows for dramatic increases in the radiated gravitational wave signal. There are several potential smoking gun signatures of a departure from general relativity associated with this process. These signatures could show up within existing LIGO-Virgo searches. PMID- 29219348 TI - Transition to Turbulent Dynamo Saturation. AB - While the saturated magnetic energy is independent of viscosity in dynamo experiments, it remains viscosity dependent in state-of-the-art 3D direct numerical simulations (DNS). Extrapolating such viscous scaling laws to realistic parameter values leads to an underestimation of the magnetic energy by several orders of magnitude. The origin of this discrepancy is that fully 3D DNS cannot reach low enough values of the magnetic Prandtl number Pm. To bypass this limitation and investigate dynamo saturation at very low Pm, we focus on the vicinity of the dynamo threshold in a rapidly rotating flow: the velocity field then depends on two spatial coordinates only, while the magnetic field consists of a single Fourier mode in the third direction. We perform numerical simulations of the resulting set of reduced equations for Pm down to 2*10^{-5}. This parameter regime is currently out of reach to fully 3D DNS. We show that the magnetic energy transitions from a high-Pm viscous scaling regime to a low-Pm turbulent scaling regime, the latter being independent of viscosity. The transition to the turbulent saturation regime occurs at a low value of the magnetic Prandtl number, Pm?10^{-3}, which explains why it has been overlooked by numerical studies so far. PMID- 29219349 TI - Time Scale for Adiabaticity Breakdown in Driven Many-Body Systems and Orthogonality Catastrophe. AB - The adiabatic theorem is a fundamental result in quantum mechanics, which states that a system can be kept arbitrarily close to the instantaneous ground state of its Hamiltonian if the latter varies in time slowly enough. The theorem has an impressive record of applications ranging from foundations of quantum field theory to computational molecular dynamics. In light of this success it is remarkable that a practicable quantitative understanding of what "slowly enough" means is limited to a modest set of systems mostly having a small Hilbert space. Here we show how this gap can be bridged for a broad natural class of physical systems, namely, many-body systems where a small move in the parameter space induces an orthogonality catastrophe. In this class, the conditions for adiabaticity are derived from the scaling properties of the parameter-dependent ground state without a reference to the excitation spectrum. This finding constitutes a major simplification of a complex problem, which otherwise requires solving nonautonomous time evolution in a large Hilbert space. PMID- 29219350 TI - Generation of Caustics and Rogue Waves from Nonlinear Instability. AB - Caustics are phenomena in which nature concentrates the energy of waves and may exhibit rogue-type behavior. Although they are known mostly in optics, caustics are intrinsic to all wave phenomena. As we demonstrate in this Letter, the formation of caustics and consequently rogue events in linear systems requires strong phase fluctuations. We show that nonlinear phase shifts can generate sharp caustics from even small fluctuations. Moreover, in that the wave amplitude increases dramatically in caustics, nonlinearity is usually inevitable. We perform an experiment in an optical system with Kerr nonlinearity, simulate the results based on the nonlinear Schrodinger equation, and achieve perfect agreement. As the same theoretical framework is used to describe other wave systems such as large-scale water waves, our results may also aid the understanding of ocean phenomena. PMID- 29219351 TI - Imaging Galactic Dark Matter with High-Energy Cosmic Neutrinos. AB - We show that the high-energy cosmic neutrinos seen by the IceCube Neutrino Observatory can be used to probe interactions between neutrinos and the dark sector that cannot be reached by current cosmological methods. The origin of the observed neutrinos is still unknown, and their arrival directions are compatible with an isotropic distribution. This observation, together with dedicated studies of Galactic plane correlations, suggests a predominantly extragalactic origin. Interactions between this isotropic extragalactic flux and the dense dark matter (DM) bulge of the Milky Way would thus lead to an observable imprint on the distribution, which would be seen by IceCube as (i) slightly suppressed fluxes at energies below a PeV and (ii) a deficit of events in the direction of the Galactic center. We perform an extended unbinned likelihood analysis using the four-year high-energy starting event data set to constrain the strength of DM neutrino interactions for two model classes. We find that, in spite of low statistics, IceCube can probe regions of the parameter space inaccessible to current cosmological methods. PMID- 29219352 TI - Probing Seesaw with Parity Restoration. AB - We present a novel way of testing the seesaw origin of neutrino mass in the context of the minimal left-right symmetric model. It is based on the connection between the leptonic interactions of the doubly charged scalars, whose presence is at the core of the seesaw mechanism, and the neutrino Dirac Yukawa couplings which govern, among other processes, the right-handed neutrino decays into left handed charged leptons. We prove that any physical quantity depending on these couplings is a function of the Hermitian part only, which can significantly simplify their future experimental determination. PMID- 29219354 TI - Bound States of Skyrmions and Merons near the Lifshitz Point. AB - We study topological defects in anisotropic ferromagnets with competing interactions near the Lifshitz point. We show that Skyrmions and bimerons are stable in a large part of the phase diagram. We calculate Skyrmion-Skyrmion and meron-meron interactions and show that Skyrmions attract each other and form ring shaped bound states in a zero magnetic field. At the Lifshitz point merons carrying a fractional topological charge become deconfined. These results imply that unusual topological excitations may exist in weakly frustrated magnets with conventional crystal lattices. PMID- 29219355 TI - Direct CP Violation in K->MU^{+}MU^{-}. AB - A rare decay K_{L}->MU^{+}MU^{-} has been measured precisely, while a rare decay K_{S}->MU^{+}MU^{-} will be observed by an upgrade of the LHCb experiment. Although both processes are almost CP-conserving decays, we point out that an interference contribution between K_{L} and K_{S} in the kaon beam emerges from a genuine direct CP violation. It is found that the interference contribution can change K_{S}->MU^{+}MU^{-} standard-model predictions at O(60%). We also stress that an unknown sign of A(K_{L}->gammagamma) can be determined by a measurement of the interference, which can much reduce a theoretical uncertainty of B(K_{L} >MU^{+}MU^{-}). We also investigate the interference in a new physics model, where the epsilon_{K}^{'}/epsilon_{K} tension is explained by an additional Z penguin contribution. PMID- 29219356 TI - Complete Mean-Field Theory for Dynamics of Binary Recurrent Networks. AB - We develop a unified theory that encompasses the macroscopic dynamics of recurrent interactions of binary units within arbitrary network architectures. Using the martingale theory, our mathematical analysis provides a complete description of nonequilibrium fluctuations in networks with a finite size and finite degree of interactions. Our approach allows the investigation of systems for which a deterministic mean-field theory breaks down. To demonstrate this, we uncover a novel dynamic state in which a recurrent network of binary units with statistically inhomogeneous interactions, along with an asynchronous behavior, also exhibits collective nontrivial stochastic fluctuations in the thermodynamical limit. PMID- 29219357 TI - Solvable Sachdev-Ye-Kitaev Models in Higher Dimensions: From Diffusion to Many Body Localization. AB - Many aspects of many-body localization (MBL) transitions remain elusive so far. Here, we propose a higher-dimensional generalization of the Sachdev-Ye-Kitaev (SYK) model and show that it exhibits a MBL transition. The model on a bipartite lattice has N Majorana fermions with SYK interactions on each site of the A sublattice and M free Majorana fermions on each site of the B sublattice, where N and M are large and finite. For r=M/Nr_{c}, implying a dynamical transition to a MBL phase. It is further supported by numerical calculations of level statistics which changes from Wigner-Dyson (rr_{c}) distributions. Note that no subdiffusive phase intervenes between diffusive and MBL phases. Moreover, the critical exponent nu=0, violating the Harris criterion. Our higher-dimensional SYK model may provide a promising arena to explore exotic MBL transitions. PMID- 29219358 TI - Digital Quantum Estimation. AB - Quantum metrology calculates the ultimate precision of all estimation strategies, measuring what is their root-mean-square error (RMSE) and their Fisher information. Here, instead, we ask how many bits of the parameter we can recover; namely, we derive an information-theoretic quantum metrology. In this setting, we redefine "Heisenberg bound" and "standard quantum limit" (the usual benchmarks in the quantum estimation theory) and show that the former can be attained only by sequential strategies or parallel strategies that employ entanglement among probes, whereas parallel-separable strategies are limited by the latter. We highlight the differences between this setting and the RMSE-based one. PMID- 29219359 TI - Probing Positron Cooling in Noble Gases via Annihilation gamma Spectra. AB - gamma spectra for positron annihilation in noble-gas atoms are calculated using many-body theory for positron momenta up to the positronium-formation threshold. These data are used, together with time-evolving positron-momentum distributions determined in the preceding Letter [Phys. Rev. Lett. 119, 203403 (2017)PRLTAO0031 9007], to calculate the time-varying gamma spectra produced during positron cooling in noble gases. The gamma spectra and their S[over -] and W[over -] shape parameters are shown to be sensitive probes of the time evolution of the positron momentum distribution and thus provide a means of studying positron cooling that is complementary to positron lifetime spectroscopy. PMID- 29219360 TI - Positron Cooling and Annihilation in Noble Gases. AB - Positron cooling and annihilation in room temperature noble gases is simulated using accurate scattering and annihilation cross sections calculated with many body theory, enabling the first simultaneous probing of the energy dependence of the scattering and annihilation cross sections. A strikingly small fraction of positrons is shown to survive to thermalization: ~0.1 in He, ~0 in Ne, ~0.15 in Ar, ~0.05 in Kr, and ~0.01 in Xe. For Xe, the time-varying annihilation rate Z[over -]_{eff}(tau) is shown to be highly sensitive to the depletion of the momentum distribution due to annihilation, conclusively explaining the long standing discrepancy between gas-cell and trap-based measurements. Overall, the use of the accurate atomic data gives Z[over -]_{eff}(tau) in close agreement with experiment for all noble gases except Ne, the experiment for which is proffered to have suffered from incomplete knowledge of the fraction of positrons surviving to thermalization and/or the presence of impurities. PMID- 29219361 TI - Different Time Scales in the Dissociation Dynamics of Core-Excited CF_{4} by Two Internal Clocks. AB - Fragmentation processes following C 1s->lowest unoccupied molecular orbital core excitations in CF_{4} have been analyzed on the ground of the angular distribution of the CF_{3}^{+} emitted fragments by means of Auger electron photoion coincidences. Different time scales have been enlightened, which correspond to either ultrafast fragmentation, on the few-femtosecond scale, where the molecule has no time to rotate and the fragments are emitted according to the maintained orientation of the core-excited species, or dissociation after resonant Auger decay, where the molecule still keeps some memory of the excitation process before reassuming random orientation. Potential energy surfaces of the ground, core-excited, and final states have been calculated at the ab initio level, which show the dissociative nature of the neutral excited state, leading to ultrafast dissociation, as well as the also dissociative nature of some of the final ionic states reached after resonant Auger decay, yielding the same fragments on a much longer time scale. PMID- 29219362 TI - Multiple Types of Topological Fermions in Transition Metal Silicides. AB - Exotic massless fermionic excitations with nonzero Berry flux, other than the Dirac and Weyl fermions, could exist in condensed matter systems under the protection of crystalline symmetries, such as spin-1 excitations with threefold degeneracy and spin-3/2 Rarita-Schwinger-Weyl fermions. Herein, by using the ab initio density functional theory, we show that these unconventional quasiparticles coexist with type-I and type-II Weyl fermions in a family of transition metal silicides, including CoSi, RhSi, RhGe, and CoGe, when spin-orbit coupling is considered. Their nontrivial topology results in a series of extensive Fermi arcs connecting projections of these bulk excitations on the side surface, which is confirmed by (001) surface electronic spectra of CoSi. In addition, these stable arc states exist within a wide energy window around the Fermi level, which makes them readily accessible in angle-resolved photoemission spectroscopy measurements. PMID- 29219363 TI - Double-Exchange Interaction in Optically Induced Nonequilibrium State: A Conversion from Ferromagnetic to Antiferromagnetic Structure. AB - The double-exchange (DE) interaction, that is, a ferromagnetic (FM) interaction due to a combination of electron motion and the Hund coupling, is a well-known source of a wide class of FM orders. Here, we show that the DE interaction in highly photoexcited states is antiferromagnetic (AFM). Transient dynamics of quantum electrons coupled with classical spins are analyzed. An ac field applied to a metallic FM state results in an almost perfect Neel state. A time characterizing the FM-to-AFM conversion is scaled by light amplitude and frequency. This hidden AFM interaction is attributable to the electron-spin coupling under nonequilibrium electron distribution. PMID- 29219353 TI - Measurement of the D^{*}(2010)^{+}-D^{+} Mass Difference. AB - We measure the mass difference, Deltam_{+}, between the D^{*}(2010)^{+} and the D^{+} using the decay chain D^{*}(2010)^{+}->D^{+}pi^{0} with D^{+}->K^{ }pi^{+}pi^{+}. The data were recorded with the BABAR detector at center-of-mass energies at and near the Upsilon(4S) resonance, and correspond to an integrated luminosity of approximately 468 fb^{-1}. We measure Deltam_{+}=(140 601.0+/ 6.8[stat]+/-12.9[syst]) keV. We combine this result with a previous BABAR measurement of Deltam_{0}=m(D^{*}(2010)^{+})-m(D^{0}) to obtain Deltam_{D}=m(D^{+})-m(D^{0})=(4824.9+/-6.8[stat]+/-12.9[syst]) keV. These results are compatible with and approximately five times more precise than the Particle Data Group averages. PMID- 29219364 TI - Lorentz Symmetry Violations from Matter-Gravity Couplings with Lunar Laser Ranging. AB - The standard-model extension (SME) is an effective field theory framework aiming at parametrizing any violation to the Lorentz symmetry (LS) in all sectors of physics. In this Letter, we report the first direct experimental measurement of SME coefficients performed simultaneously within two sectors of the SME framework using lunar laser ranging observations. We consider the pure gravitational sector and the classical point-mass limit in the matter sector of the minimal SME. We report no deviation from general relativity and put new realistic stringent constraints on LS violations improving up to 3 orders of magnitude previous estimations. PMID- 29219365 TI - Unconventional Chiral Fermions and Large Topological Fermi Arcs in RhSi. AB - The theoretical proposal of chiral fermions in topological semimetals has led to a significant effort towards their experimental realization. In particular, the Fermi surfaces of chiral semimetals carry quantized Chern numbers, making them an attractive platform for the observation of exotic transport and optical phenomena. While the simplest example of a chiral fermion in condensed matter is a conventional |C|=1 Weyl fermion, recent theoretical works have proposed a number of unconventional chiral fermions beyond the standard model which are protected by unique combinations of topology and crystalline symmetries. However, materials candidates for experimentally probing the transport and response signatures of these unconventional fermions have thus far remained elusive. In this Letter, we propose the RhSi family in space group No. 198 as the ideal platform for the experimental examination of unconventional chiral fermions. We find that RhSi is a filling-enforced semimetal that features near its Fermi surface a chiral double sixfold-degenerate spin-1 Weyl node at R and a previously uncharacterized fourfold-degenerate chiral fermion at Gamma. Each unconventional fermion displays Chern number +/-4 at the Fermi level. We also show that RhSi displays the largest possible momentum separation of compensative chiral fermions, the largest proposed topologically nontrivial energy window, and the longest possible Fermi arcs on its surface. We conclude by proposing signatures of an exotic bulk photogalvanic response in RhSi. PMID- 29219366 TI - Topological Edge-State Manifestation of Interacting 2D Condensed Boson-Lattice Systems in a Harmonic Trap. AB - In this Letter, it is shown that interactions can facilitate the emergence of topological edge states of quantum-degenerate bosonic systems in the presence of a harmonic potential. This effect is demonstrated with the concrete model of a hexagonal lattice populated by spin-one bosons under a synthetic gauge field. In fermionic or noninteracting systems, the presence of a harmonic trap can obscure the observation of edge states. For our system with weakly interacting bosons in the Thomas-Fermi regime, we can clearly see a topological band structure with a band gap traversed by edge states. We also find that the number of edge states crossing the gap is increased in the presence of a harmonic trap, and the edge modes experience an energy shift while traversing the first Brillouin zone which is related to the topological properties of the system. We find an analytical expression for the edge-state energies and our comparison with numerical computation shows excellent agreement. PMID- 29219367 TI - Superconductivity at the Polar-Nonpolar Phase Boundary of SnP with an Unusual Valence State. AB - Structural, magnetic, and electrical characterizations reveal that SnP with an unusual valence state (nominally Sn^{3+}) undergoes a ferroelectriclike structural transition from a simple NaCl-type structure to a polar tetragonal structure at approximately 250 K at ambient pressure. First-principles calculations indicate that the experimentally observed tetragonal distortion enhances the charge transfer from Sn to P, thereby making the polar tetragonal phase energetically more stable than the nonpolar cubic phase. Hydrostatic pressure is found to promptly suppress the structural phase transition in SnP, leading to the emergence of bulk superconductivity in a phase-competitive manner. These findings suggest that control of ferroelectriclike instability in a metal can be a promising way for creating novel superconductors. PMID- 29219369 TI - Polyatomic Trilobite Rydberg Molecules in a Dense Random Gas. AB - Trilobites are exotic giant dimers with enormous dipole moments. They consist of a Rydberg atom and a distant ground-state atom bound together by short-range electron-neutral attraction. We show that highly polar, polyatomic trilobite states unexpectedly persist and thrive in a dense ultracold gas of randomly positioned atoms. This is caused by perturbation-induced quantum scarring and the localization of electron density on randomly occurring atom clusters. At certain densities these states also mix with an s state, overcoming selection rules that hinder the photoassociation of ordinary trilobites. PMID- 29219368 TI - Satellite-to-Ground Entanglement-Based Quantum Key Distribution. AB - We report on entanglement-based quantum key distribution between a low-Earth orbit satellite equipped with a space borne entangled-photon source and a ground observatory. One of the entangled photons is measured locally at the satellite, and the other one is sent via a down link to the receiver in the Delingha ground station. The link attenuation is measured to vary from 29 dB at 530 km to 36 dB at 1000 km. We observe that the two-photon entanglement survives after being distributed between the satellite and the ground, with a measured state fidelity of >=0.86. We then perform the entanglement-based quantum key distribution protocol and obtain an average final key rate of 3.5 bits/s at the distance range of 530-1000 km. PMID- 29219370 TI - Visualization of Room-Temperature Ferroelectricity and Polarization Rotation in the Thin Film of Quinuclidinium Perrhenate. AB - Recently, a plastic crystal of quinuclidinium perrhenate (HQReO_{4}) was reported to have the feasibility of controlling the crystallographic orientation in the grown crystal, but the corresponding temperature window is only about 22 K (345 367 K). Such a narrow window and uncertain ferroelectricity at room temperature would extremely limit its application potential. In this report, we prepared a large area high-quality polycrystalline thin film of HQReO_{4} and for the first time observed ferroelectricity in the temperature range from 298 to 367 K. Density functional theory calculations revealed the origin of room-temperature ferroelectricity is ascribed to the collaborative flipping of HQ (protonated quinuclidine) and ReO_{4}^{-}, which is dynamically preferred in the presence of a N?H?O hydrogen bond. A local piezoresponse force microscopy measurement was also employed to study the mechanisms of multiaxial polarization rotation and domain dynamics. By extending the ferroelectric temperature window to room temperature and the extraordinary thin-film processability, HQReO_{4} would certainly become a suitable candidate for next generation ferroelectric materials. PMID- 29219371 TI - Comparison Study of Strong-Field Ionization of Molecules and Atoms by Bicircular Two-Color Femtosecond Laser Pulses. AB - We experimentally investigate the single and double ionization of N_{2} and O_{2} molecules in bicircular two-color femtosecond laser pulses, and compare with their companion atoms of Ar and Xe with comparable ionization thresholds. Electron recollision assisted enhanced ionization is observed in N_{2} and Ar by controlling the helicity and field ratio between the two colors, whereas the enhanced ionization via the recollision is almost absent in O_{2} and Xe. Our S matrix simulations clearly reveal the crucial role of the detailed electronic structures of N_{2} and O_{2} on the two-dimensional recollision of the electrons driven by the bicircular two-color laser fields. As compared to Ar, the resonant multiphoton excitation dominates the double ionization of Xe. PMID- 29219372 TI - Flow of Deformable Droplets: Discontinuous Shear Thinning and Velocity Oscillations. AB - We study the rheology of a suspension of soft deformable droplets subjected to a pressure-driven flow. Through computer simulations, we measure the apparent viscosity as a function of droplet concentration and pressure gradient, and provide evidence of a discontinuous shear thinning behavior, which occurs at a concentration-dependent value of the forcing. We further show that this response is associated with a nonequilibrium transition between a "hard" (or less deformable) phase, which is nearly jammed and flows very slowly, and a "soft" (or more deformable) phase, which flows much more easily. The soft phase is characterized by flow-induced time dependent shape deformations and internal currents, which are virtually absent in the hard phase. Close to the transition, we find sustained oscillations in both the droplet and fluid velocities. Polydisperse systems show similar phenomenology but with a smoother transition, and less regular oscillations. PMID- 29219373 TI - Shakeoff Ionization near the Coulomb Barrier Energy. AB - We measure the projectile K x-ray spectra as a function of the beam energies around the Coulomb barrier in different collision systems. The energy is scanned in small steps around the barrier aiming to explore the nuclear effects on the elastically scattered projectile ions. The variation of the projectile x-ray energy with the ion-beam energies exhibits an unusual increase in between the interaction barrier and fusion barrier energies. This additional contribution to the projectile ionization can be attributed to the shakeoff of outer-shell electrons of the projectile ions due to the sudden nuclear recoil (~10^{-21} sec) caused by the attractive nuclear potential, which gets switched on near the interaction barrier energy. In the sudden approximation limit, the theoretical shakeoff probability calculation due to the nuclear recoil explains the observed data well. In addition to its fundamental interest, such processes can play a significant role in dark matter detection through the possible mechanism of x-ray emissions, where the weakly interacting massive particle-nucleus elastic scattering can lead to the nuclear-recoil-induced inner-shell vacancy creations. Furthermore, the present work may provide new prospects for atomic physics research at barrier energies as well as provide a novel technique to perform barrier distribution studies for two-body systems. PMID- 29219374 TI - Band Structure and Contact Resistance of Carbon Nanotubes Deformed by a Metal Contact. AB - Capillary and van der Waals forces cause nanotubes to deform or even collapse under metal contacts. Using ab initio band structure calculations, we find that these deformations reduce the band gap by as much as 30%, while fully collapsed nanotubes become metallic. Moreover, degeneracy lifting due to the broken axial symmetry, and wave functions mismatch between the fully collapsed and the round portions of a CNT, lead to a 3 times higher contact resistance. The latter we demonstrate by contact resistance calculations within the tight-binding approach. PMID- 29219375 TI - Propagation Dynamics Associated with Resonant Magnetic Perturbation Fields in High-Confinement Mode Plasmas inside the KSTAR Tokamak. AB - The propagation dynamics of resonant magnetic perturbation fields in KSTAR H-mode plasmas with injection of small edge perturbations produced by a supersonic molecular beam injection is reported for the first time. The results show that the perturbation field first excites a plasma response on the q=3 magnetic surface and then propagates inward to the q=2 surface with a radially averaged propagation velocity of resonant magnetic perturbations field equal to 32.5 m/ s. As a result, the perturbation field brakes the toroidal rotation on the q=3 surface first causing a momentum transport perturbation that propagates both inward and outward. A higher density fluctuation level is observed. The propagation velocity of the resonant magnetic perturbations field is larger than the radial propagation velocity of the perturbation in the toroidal rotation. PMID- 29219376 TI - Absence of Marginal Stability in a Structural Glass. AB - Marginally stable solids have peculiar physical properties that were first analyzed in the context of the jamming transition. We theoretically investigate the existence of marginal stability in a prototypical model for structural glass formers, combining analytical calculations in infinite dimensions to computer simulations in three dimensions. While mean-field theory predicts the existence of a Gardner phase transition towards a marginally stable glass phase at low temperatures, simulations show no hint of diverging time scales or length scales, but reveal instead the presence of sparse localized defects. Our results suggest that the Gardner transition is deeply affected by finite dimensional fluctuations, and raise issues about the relevance of marginal stability in structural glasses far away from jamming. PMID- 29219377 TI - Stacking Characteristics of Close Packed Materials. AB - It is shown that the enthalpy of any close packed structure for a given element can be characterized as a linear expansion in a set of continuous variables alpha_{n}, which describe the stacking configuration. This enables us to represent the infinite, discrete set of stacking sequences within a finite, continuous space of the expansion parameters H_{n}. These H_{n} determine the stable structure and vary continuously in the thermodynamic space of pressure, temperature, or composition. The continuity of both spaces means that only transformations between stable structures adjacent in the H_{n} space are possible, giving the model predictive as well as descriptive ability. We calculate the H_{n} using density functional theory (DFT)and interatomic potentials for a range of materials. Some striking results are found: e.g., the Lennard-Jones potential model has 11 possible stable structures and over 50 phase transitions as a function of cutoff range. The very different phase diagrams of Sc, Tl, Y, and the lanthanides are understood within a single theory. We find that the widely reported 9R-fcc transition is not allowed in equilibrium thermodynamics, and in cases where it has been reported in experiments (Li, Na), we show that DFT theory is also unable to predict it. PMID- 29219378 TI - Lattice Model to Derive the Fluctuating Hydrodynamics of Active Particles with Inertia. AB - We derive the hydrodynamic equations with fluctuating currents for the density, momentum, and energy fields for an active system in the dilute limit. In our model, nonoverdamped self-propelled particles (such as grains or birds) move on a lattice, interacting by means of aligning dissipative forces and excluded volume repulsion. Our macroscopic equations, in a specific case, reproduce a transition line from a disordered phase to a swarming phase and a linear dispersion law accounting for underdamped wave propagation. Numerical simulations up to a packing fraction ~10% are in fair agreement with the theory, including the macroscopic noise amplitudes. At a higher packing fraction, a dense-diluted coexistence emerges. We underline the analogies with the granular kinetic theories, elucidating the relation between the active swarming phase and granular shear instability. PMID- 29219379 TI - Optimizing Hyperuniformity in Self-Assembled Bidisperse Emulsions. AB - We study long range density fluctuations (hyperuniformity) in two-dimensional jammed packings of bidisperse droplets. Taking advantage of microfluidics, we systematically span a large range of size and concentration ratios of the two droplet populations. We identify various defects increasing long range density fluctuations mainly due to organization of local particle environment. By choosing an appropriate bidispersity, we fabricate materials with a high level of hyperuniformity. Interesting transparency properties of these optimized materials are established based on numerical simulations. PMID- 29219380 TI - Generating Carrier-Envelope-Phase Stabilized Few-Cycle Pulses from a Free Electron Laser Oscillator. AB - We propose a scheme to generate carrier-envelope-phase (CEP) stabilized few-cycle optical pulses from a free-electron laser oscillator. The CEP stabilization is realized by the continuous injection of CEP-stabilized seed pulses from an external laser to the free-electron laser oscillator whose cavity length is perfectly synchronized to the electron bunch repetition. Operated at a midinfrared wavelength, the proposed method is able to drive a photon source based on high harmonic generation (HHG) to explore the generation of isolated attosecond pulses at photon energies above 1 keV with a repetition of >10 MHz. The HHG photon source will open a door to full-scale experiments of attosecond x ray pulses and push ultrafast laser science to the zeptosecond regime. PMID- 29219381 TI - Geiger-Nuttall Law for Nuclei in Strong Electromagnetic Fields. AB - We investigate the influence of a strong laser electromagnetic field on the alpha decay rate by using the Hennenberger frame of reference. We introduce an adimensional parameter D=S_{0}/R_{0}, where R_{0} is the geometrical nuclear radius and S_{0}~sqrt[I]/omega^{2} is a length parameter depending on the laser intensity I and frequency omega. We show that the barrier penetrability has a strong increase for intensities corresponding to D>D_{crit}=1, due to the fact that the resulting Coulomb potential becomes strongly anisotropic even for spherical nuclei. As a consequence, the contribution of the monopole term increases the barrier penetrability by 2 orders of magnitude, while the total contribution has an effect of 6 orders of magnitude at D~3D_{crit}. In the case of deformed nuclei, the electromagnetic field increases the penetrability by an additional order of magnitude for a quadrupole deformation beta_{2}~0.3. The influence of the electromagnetic field can be expressed in terms of a shifted Geiger-Nuttal law by a term depending on S_{0} and deformation. PMID- 29219382 TI - Optimal Design of Experiments by Combining Coarse and Fine Measurements. AB - In many contexts, it is extremely costly to perform enough high-quality experimental measurements to accurately parametrize a predictive quantitative model. However, it is often much easier to carry out large numbers of experiments that indicate whether each sample is above or below a given threshold. Can many such categorical or "coarse" measurements be combined with a much smaller number of high-resolution or "fine" measurements to yield accurate models? Here, we demonstrate an intuitive strategy, inspired by statistical physics, wherein the coarse measurements are used to identify the salient features of the data, while the fine measurements determine the relative importance of these features. A linear model is inferred from the fine measurements, augmented by a quadratic term that captures the correlation structure of the coarse data. We illustrate our strategy by considering the problems of predicting the antimalarial potency and aqueous solubility of small organic molecules from their 2D molecular structure. PMID- 29219384 TI - Discovery of the Doubly Charmed Xi_{cc} Baryon Implies a Stable bbu[over -]d[over -] Tetraquark. AB - Recently, the LHCb Collaboration discovered the first doubly charmed baryon Xi_{cc}^{++}=ccu at 3621.40+/-0.78 MeV, very close to our theoretical prediction. We use the same methods to predict a doubly bottom tetraquark T(bbu[over -]d[over -]) with J^{P}=1^{+} at 10 389+/-12 MeV, 215 MeV below the B^{-}B[over -]^{*0} threshold and 170 MeV below the threshold for decay to B^{ }B[over -]^{0}gamma. The T(bbu[over -]d[over -]) is therefore stable under strong and electromagnetic interactions and can only decay weakly, the first exotic hadron with such a property. On the other hand, the mass of T(ccu[over -]d[over ]) with J^{P}=1^{+} is predicted to be 3882+/-12 MeV, 7 MeV above the D^{0}D^{*+} threshold and 148 MeV above the D^{0}D^{+}gamma threshold. T(bcu[over -]d[over -]) with J^{P}=0^{+} is predicted at 7134+/-13 MeV, 11 MeV below the B[over -]^{0}D^{0} threshold. Our precision is not sufficient to determine whether bcu[over -]d[over -] is actually above or below the threshold. It could manifest itself as a narrow resonance just at threshold. PMID- 29219383 TI - Wall Slip of Soft-Jammed Systems: A Generic Simple Shear Process. AB - From well-controlled long creep tests, we show that the residual apparent yield stress observed with soft-jammed systems along smooth surfaces is an artifact due to edge effects. By removing these effects, we can determine the stress solely associated with steady-state wall slip below the material yield stress. This stress is found to vary linearly with the slip velocity for a wide range of materials whatever the structure, the interaction types between the elements and with the wall, and the concentration. Thus, wall slip results from the laminar flow of some given free liquid volume remaining between the (rough) jammed structure formed by the elements and the smooth wall. This phenomenon may be described by the simple shear flow in a Newtonian liquid layer of uniform thickness. For various systems, this equivalent thickness varies in a narrow range (35+/-15 nm). PMID- 29219385 TI - Magnetospheric Multiscale Observation of Plasma Velocity-Space Cascade: Hermite Representation and Theory. AB - Plasma turbulence is investigated using unprecedented high-resolution ion velocity distribution measurements by the Magnetospheric Multiscale mission (MMS) in the Earth's magnetosheath. This novel observation of a highly structured particle distribution suggests a cascadelike process in velocity space. Complex velocity space structure is investigated using a three-dimensional Hermite transform, revealing, for the first time in observational data, a power-law distribution of moments. In analogy to hydrodynamics, a Kolmogorov approach leads directly to a range of predictions for this phase-space transport. The scaling theory is found to be in agreement with observations. The combined use of state of-the-art MMS data sets, novel implementation of a Hermite transform method, and scaling theory of the velocity cascade opens new pathways to the understanding of plasma turbulence and the crucial velocity space features that lead to dissipation in plasmas. PMID- 29219386 TI - Persistence and Lifelong Fidelity of Phase Singularities in Optical Random Waves. AB - Phase singularities are locations where light is twisted like a corkscrew, with positive or negative topological charge depending on the twisting direction. Among the multitude of singularities arising in random wave fields, some can be found at the same location, but only when they exhibit opposite topological charge, which results in their mutual annihilation. New pairs can be created as well. With near-field experiments supported by theory and numerical simulations, we study the persistence and pairing statistics of phase singularities in random optical fields as a function of the excitation wavelength. We demonstrate how such entities can encrypt fundamental properties of the random fields in which they arise. PMID- 29219387 TI - Four-Loop Nonplanar Cusp Anomalous Dimension in N=4 Supersymmetric Yang-Mills Theory. AB - The lightlike cusp anomalous dimension is a universal function that controls infrared divergences in quite general gauge theories. In the maximally supersymmetric Yang-Mills theory this function is fixed fully by integrability to the three-loop order. At four loops a nonplanar correction appears which we obtain for the first time from a numerical computation of the Sudakov form factor. Key ingredients are widely applicable methods to control the number theoretic aspects of the appearing integrals. Our result shows explicitly that quadratic Casimir scaling breaks down at four loops. PMID- 29219388 TI - Observation of Broad d-Wave Feshbach Resonances with a Triplet Structure. AB - High partial-wave (l>=2) Feshbach resonance (FR) in an ultracold mixture of ^{85}Rb-^{87}Rb atoms is investigated experimentally aided by a partial-wave insensitive analytic multichannel quantum-defect theory. Two "broad" resonances from coupling between d waves in both the open and closed channels are observed and characterized. One of them shows a fully resolved triplet structure with a splitting ratio well explained by the perturbation to the closed channel due to interatomic spin-spin interaction. These tunable "broad" d-wave resonances, especially the one in the lowest-energy open channel, could find important applications in simulating d-wave coupling dominated many-body systems. In addition, we find that there is generally a time and temperature requirement, associated with tunneling through the angular momentum barrier, to establish and observe resonant coupling in nonzero partial waves. PMID- 29219389 TI - Mode Matching for Optical Antennas. AB - The emission rate of a point dipole can be strongly increased in the presence of a well-designed optical antenna. Yet, optical antenna design is largely based on radio-frequency rules, ignoring, e.g., Ohmic losses and non-negligible field penetration in metals at optical frequencies. Here, we combine reciprocity and Poynting's theorem to derive a set of optical-frequency antenna design rules for benchmarking and optimizing the performance of optical antennas driven by single quantum emitters. Based on these findings a novel plasmonic cavity antenna design is presented exhibiting a considerably improved performance compared to a reference two-wire antenna. Our work will be useful for the design of high performance optical antennas and nanoresonators for diverse applications ranging from quantum optics to antenna-enhanced single-emitter spectroscopy and sensing. PMID- 29219390 TI - Inductive Spikes in the Crab Nebula: A Theory of gamma-Ray Flares. AB - We show that the mysterious, rapidly variable emission at ~400 MeV observed from the Crab Nebula by the AGILE and Fermi satellites could be the result of a sudden drop in the mass loading of the pulsar wind. The current required to maintain wave activity in the wind is then carried by very few particles of a high Lorentz factor. On impacting the nebula, these particles produce a tightly beamed, high luminosity burst of hard gamma rays, similar to those observed. This implies that (i) the emission is synchrotron radiation in the toroidal field of the nebula and, therefore, linearly polarized and (ii) this mechanism potentially contributes to the gamma-ray emission from other powerful pulsars, such as the Magellanic Cloud objects J0537-6910 and B0540-69. PMID- 29219391 TI - Observation of Bogoliubov Band Hybridization in the Optimally Doped Trilayer Bi_{2}Sr_{2}Ca_{2}Cu_{3}O_{10+delta}. AB - Using a laser-excited angle-resolved photoemission spectroscopy capable of bulk sensitive and high-energy resolution measurements, we reveal a new phenomenon of superconductors in the optimally doped trilayer Bi_{2}Sr_{2}Ca_{2}Cu_{3}O_{10+delta}. We observe a hybridization of the Bogoliubov bands derived from the inner and outer CuO_{2} planes with different magnitudes of energy gaps. Our data clearly exhibit the splitting of coherent peaks and the consequent enhancement of spectral gaps. These features are reproduced by model calculations, which indicate that the gap enhancement extends over a wide range of Fermi surface up to the antinode. The significant modulation of electron pairing uncovered here might be a crucial factor to achieve the highest critical temperature in the trilayer cuprates. PMID- 29219392 TI - Superfluid Filaments of Dipolar Bosons in Free Space. AB - We systematically investigate the zero temperature phase diagram of bosons interacting via dipolar interactions in three dimensions in free space via path integral Monte Carlo simulations with a few hundreds of particles and periodic boundary conditions based on the worm algorithm. Upon increasing the strength of the dipolar interaction and at sufficiently high densities we find a wide region where filaments are stabilized along the direction of the external field. Most interestingly by computing the superfluid fraction we conclude that the superfluidity is anisotropic and is greatly suppressed along the orthogonal plane. Finally, we perform simulations at finite temperature confirming the stability of the filaments against thermal fluctuations and provide an estimate of the superfluid fraction in the weak coupling limit in the framework of the Landau two-fluid model. PMID- 29219393 TI - Topological Edge States in Periodically Driven Trapped-Ion Chains. AB - Topological insulating phases are primarily associated with condensed-matter systems, which typically feature short-range interactions. Nevertheless, many realizations of quantum matter can exhibit long-range interactions, and it is still largely unknown the effect that these latter may exert upon the topological phases. In this Letter, we investigate the Su-Schrieffer-Heeger topological insulator in the presence of long-range interactions. We show that this model can be readily realized in quantum simulators with trapped ions by means of a periodic driving. Our results indicate that the localization of the associated edge states is enhanced by the long-range interactions, and that the localized components survive within the ground state of the model. These effects could be easily confirmed in current state-of-the-art experimental implementations. PMID- 29219394 TI - Asymptotic Safety Guaranteed in Supersymmetry. AB - We explain how asymptotic safety arises in four-dimensional supersymmetric gauge theories. We provide asymptotically safe supersymmetric gauge theories together with their superconformal fixed points, R charges, phase diagrams, and UV-IR connecting trajectories. Strict perturbative control is achieved in a Veneziano limit. Consistency with unitarity and the a theorem is established. We find that supersymmetry enhances the predictivity of asymptotically safe theories. PMID- 29219395 TI - Unified Description of Dynamics of a Repulsive Two-Component Fermi Gas. AB - We study a binary spin mixture of a zero-temperature repulsively interacting ^{6}Li atoms using both the atomic-orbital and density-functional approaches. The gas is initially prepared in a configuration of two magnetic domains and we determine the frequency of the spin-dipole oscillations which are emerging after the repulsive barrier, initially separating the domains, is removed. We find, in agreement with recent experiment [G. Valtolina et al., Nat. Phys. 13, 704 (2017)NPAHAX1745-247310.1038/nphys4108], the occurrence of a ferromagnetic instability in an atomic gas while the interaction strength between different spin states is increased, after which the system becomes ferromagnetic. The ferromagnetic instability is preceded by the softening of the spin-dipole mode. PMID- 29219396 TI - What Controls Thermo-osmosis? Molecular Simulations Show the Critical Role of Interfacial Hydrodynamics. AB - Thermo-osmotic and related thermophoretic phenomena can be found in many situations from biology to colloid science, but the underlying molecular mechanisms remain largely unexplored. Using molecular dynamics simulations, we measure the thermo-osmosis coefficient by both mechanocaloric and thermo-osmotic routes, for different solid-liquid interfacial energies. The simulations reveal, in particular, the crucial role of nanoscale interfacial hydrodynamics. For nonwetting surfaces, thermo-osmotic transport is largely amplified by hydrodynamic slip at the interface. For wetting surfaces, the position of the hydrodynamic shear plane plays a key role in determining the amplitude and sign of the thermo-osmosis coefficient. Finally, we measure a giant thermo-osmotic response of the water-graphene interface, which we relate to the very low interfacial friction displayed by this system. These results open new perspectives for the design of efficient functional interfaces for, e.g., waste heat harvesting. PMID- 29219397 TI - Thermodynamic Evidence for the Fulde-Ferrell-Larkin-Ovchinnikov State in the KFe_{2}As_{2} Superconductor. AB - We investigate the magnetic phase diagram near the upper critical field of KFe_{2}As_{2} by magnetic torque and specific heat experiments using a high resolution piezorotary positioner to precisely control the parallel alignment of the magnetic field with respect to the FeAs layers. We observe a clear double transition when the field is strictly aligned in the plane and a characteristic upturn of the upper critical field line, which goes far beyond the Pauli limit at 4.8 T. This provides firm evidence that a Fulde-Ferrell-Larkin-Ovchinnikov state exists in this iron-based KFe_{2}As_{2} superconductor. PMID- 29219398 TI - Threshold and Jet Radius Joint Resummation for Single-Inclusive Jet Production. AB - We present the first threshold and jet radius jointly resummed cross section for single-inclusive hadronic jet production. We work at next-to-leading logarithmic accuracy and our framework allows for a systematic extension beyond the currently achieved precision. Long-standing numerical issues are overcome by performing the resummation directly in momentum space within soft collinear effective theory. We present the first numerical results for the LHC and observe an improved description of the available data. Our results are of immediate relevance for LHC precision phenomenology including the extraction of parton distribution functions and the QCD strong coupling constant. PMID- 29219399 TI - Erratum: Resonance Effects in Photoemission Time Delays [Phys. Rev. Lett. 115, 133001 (2015)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.115.133001. PMID- 29219400 TI - State-of-the-Art Calculation of the Decay Rate of Electroweak Vacuum in the Standard Model. AB - The decay rate of the electroweak (EW) vacuum is calculated in the framework of the standard model (SM) of particle physics, using the recent progress in the understanding of the decay rate of metastable vacuum in gauge theories. We give a manifestly gauge-invariant expression of the decay rate. We also perform a detailed numerical calculation of the decay rate. With the best-fit values of the SM parameters, we find that the decay rate of the EW vacuum per unit volume is about 10^{-554} Gyr^{-1} Gpc^{-3}; with the uncertainty in the top mass, the decay rate is estimated as 10^{-284}-10^{-1371} Gyr^{-1} Gpc^{-3}. PMID- 29219401 TI - Dynamical Negative Differential Resistance in Antiferromagnetically Coupled Few Atom Spin Chains. AB - We present the appearance of negative differential resistance (NDR) in spin dependent electron transport through a few-atom spin chain. A chain of three antiferromagnetically coupled Fe atoms (Fe trimer) was positioned on a Cu_{2}N/Cu(100) surface and contacted with the spin-polarized tip of a scanning tunneling microscope, thus coupling the Fe trimer to one nonmagnetic and one magnetic lead. Pronounced NDR appears at the low bias of 7 mV, where inelastic electron tunneling dynamically locks the atomic spin in a long-lived excited state. This causes a rapid increase of the magnetoresistance between the spin polarized tip and Fe trimer and quenches elastic tunneling. By varying the coupling strength between the tip and Fe trimer, we find that in this transport regime the dynamic locking of the Fe trimer competes with magnetic exchange interaction, which statically forces the Fe trimer into its high magnetoresistance state and removes the NDR. PMID- 29219402 TI - Microphase Separation in Oil-Water Mixtures Containing Hydrophilic and Hydrophobic Ions. AB - We develop a lattice-based Monte Carlo simulation method for charged mixtures capable of treating dielectric heterogeneities. Using this method, we study oil water mixtures containing an antagonistic salt, with hydrophilic cations and hydrophobic anions. Our simulations reveal several phases with a spatially modulated solvent composition, in which the ions partition between water-rich and water-poor regions according to their affinity. In addition to the recently observed lamellar phase, we find tubular and droplet phases, reminiscent of those found in block copolymers and surfactant systems. Interestingly, these structures stem from ion-mediated interactions, which allows for tuning of the phase behavior via the concentrations, the ionic properties, and the temperature. PMID- 29219403 TI - Quantum Critical Behavior of One-Dimensional Soft Bosons in the Continuum. AB - We consider a zero-temperature one-dimensional system of bosons interacting via the soft-shoulder potential in the continuum, typical of dressed Rydberg gases. We employ quantum Monte Carlo simulations, which allow for the exact calculation of imaginary-time correlations, and a stochastic analytic continuation method, to extract the dynamical structure factor. At finite densities, in the weakly interacting homogeneous regime, a rotonic spectrum marks the tendency to clustering. With strong interactions, we indeed observe cluster liquid phases emerging, characterized by the spectrum of a composite harmonic chain. Luttinger theory has to be adapted by changing the reference lattice density field. In both the liquid and cluster liquid phases, we find convincing evidence of a secondary mode, which becomes gapless only at the transition. In that region, we also measure the central charge and observe its increase towards c=3/2, as recently evaluated in a related extended Bose-Hubbard model, and we note a fast reduction of the Luttinger parameter. For two-particle clusters, we then interpret such observations in terms of the compresence of a Luttinger liquid and a critical transverse Ising model, related to the instability of the reference lattice density field towards coalescence of sites, typical of potentials which are flat at short distances. Even in the absence of a true lattice, we are able to evaluate the spatial correlation function of a suitable pseudospin operator, which manifests ferromagnetic order in the cluster liquid phase, exponential decay in the liquid phase, and algebraic order at criticality. PMID- 29219404 TI - Revealing the Topology of Quasicrystals with a Diffraction Experiment. AB - Topological properties of crystals and quasicrystals is a subject of recent and growing interest. This Letter reports an experiment where, for certain quasicrystals, these properties can be directly retrieved from diffraction. We directly observe, using an interferometric approach, all of the topological invariants of finite-length Fibonacci chains in their diffraction pattern. We also quantitatively demonstrate the stability of these topological invariants with respect to structural disorder. PMID- 29219405 TI - Cavity QED Engineering of Spin Dynamics and Squeezing in a Spinor Gas. AB - We propose a method for engineering spin dynamics in ensembles of integer-spin atoms confined within a high-finesse optical cavity. Our proposal uses cavity assisted Raman transitions to engineer a Dicke model for integer-spin atoms, which, in a dispersive limit, reduces to effective atom-atom interactions within the ensemble. This scheme offers a promising and flexible new avenue for the exploration of a wide range of spinor many-body physics. As an example of this, we present results showing that this method can be used to generate spin-nematic squeezing in an ensemble of spin-1 atoms. With realistic parameters, the scheme should enable substantial squeezing on time scales much shorter than current experiments with spin-1 Bose-Einstein condensates. PMID- 29219406 TI - Efficient Low-Order Approximation of First-Passage Time Distributions. AB - We consider the problem of computing first-passage time distributions for reaction processes modeled by master equations. We show that this generally intractable class of problems is equivalent to a sequential Bayesian inference problem for an auxiliary observation process. The solution can be approximated efficiently by solving a closed set of coupled ordinary differential equations (for the low-order moments of the process) whose size scales with the number of species. We apply it to an epidemic model and a trimerization process and show good agreement with stochastic simulations. PMID- 29219407 TI - Horava Gravity is Asymptotically Free in 2+1 Dimensions. AB - We compute the beta functions of marginal couplings in projectable Horava gravity in 2+1 spacetime dimensions. We show that the renormalization group flow has an asymptotically free fixed point in the ultraviolet (UV), establishing the theory as a UV-complete model with dynamical gravitational degrees of freedom. Therefore, this theory may serve as a toy model to study fundamental aspects of quantum gravity. Our results represent a step forward towards understanding the UV properties of realistic versions of Horava gravity. PMID- 29219408 TI - Magnetic Exchange Interactions in the Molecular Nanomagnet Mn_{12}. AB - The discovery of magnetic bistability in Mn_{12} more than 20 years ago marked the birth of molecular magnetism, an extremely fertile interdisciplinary field and a powerful route to create tailored magnetic nanostructures. However, the difficulty to determine interactions in complex polycentric molecules often prevents their understanding. Mn_{12} is an outstanding example of this difficulty: although it is the forefather and most studied of all molecular nanomagnets, an unambiguous determination of even the leading magnetic exchange interactions is still lacking. Here we exploit four-dimensional inelastic neutron scattering to portray how individual spins fluctuate around the magnetic ground state, thus fixing the exchange couplings of Mn_{12} for the first time. Our results demonstrate the power of four-dimensional inelastic neutron scattering as an unrivaled tool to characterize magnetic clusters. PMID- 29219409 TI - Z_{3} Parafermionic Zero Modes without Andreev Backscattering from the 2/3 Fractional Quantum Hall State. AB - Parafermionic zero modes are a novel set of excitations displaying non-Abelian statistics somewhat richer than that of Majorana modes. These modes are predicted to occur when nearby fractional quantum Hall edge states are gapped by an interposed superconductor. Despite substantial experimental progress, we argue that the necessary crossed Andreev reflection in this arrangement is a challenging milestone to reach. We propose a superconducting quantum dot array structure on a fractional quantum Hall edge that can lead to parafermionic zero modes from coherent superconducting forward scattering on a quantum Hall edge. Such coherent forward scattering has already been demonstrated in recent experiments. We show that for a spin-singlet superconductor interacting with loops of spin unpolarized 2/3 fractional quantum edge, even an array size of order 10 should allow one to systematically tune into a parafermionic degeneracy. PMID- 29219410 TI - Instabilities of Jammed Packings of Frictionless Spheres Under Load. AB - We consider the contribution to the density of vibrational states and the distribution of energy barrier heights of incipient instabilities in a glass modeled by a jammed packing of spheres. On approaching an instability, the frequency of a normal mode and the height of the energy barrier to cross into a new ground state both vanish. These instabilities produce a contribution to the density of vibrational states that scales as omega^{3} at low frequencies omega, and a contribution to the distribution of energy barriers DeltaH that scales as DeltaH^{-1/3} at low barrier heights. PMID- 29219411 TI - Three Dimensional Photonic Dirac Points in Metamaterials. AB - Topological semimetals, representing a new topological phase that lacks a full band gap in bulk states and exhibiting nontrivial topological orders, recently have been extended to photonic systems, predominantly in photonic crystals and to a lesser extent metamaterials. Photonic crystal realizations of Dirac degeneracies are protected by various space symmetries, where Bloch modes span the spin and orbital subspaces. Here, we theoretically show that Dirac points can also be realized in effective media through the intrinsic degrees of freedom in electromagnetism under electromagnetic duality. A pair of spin-polarized Fermi arc-like surface states is observed at the interface between air and the Dirac metamaterials. Furthermore, eigenreflection fields show the decoupling process from a Dirac point to two Weyl points. We also find the topological correlation between a Dirac point and vortex or vector beams in classical photonics. The experimental feasibility of our scheme is demonstrated by designing a realistic metamaterial structure. The theoretical proposal of the photonic Dirac point lays the foundation for unveiling the connection between intrinsic physics and global topology in electromagnetism. PMID- 29219412 TI - Nonlocal Entanglement of 1D Thermal States Induced by Fermion Exchange Statistics. AB - When two identical fermions exchange their positions, their wave function gains a phase factor of -1. We show that this distance-independent effect can induce nonlocal entanglement in one-dimensional (1D) electron systems having Majorana fermions at the ends. It occurs in the system bulk and has a nontrivial temperature dependence. In a system having a single Majorana fermion at each end, the nonlocal entanglement has a Bell-state form at zero temperature and decays as the temperature increases, vanishing suddenly at a certain finite temperature. In a system having two Majorana fermions at each end, it is in a cluster-state form and its nonlocality is more noticeable at a finite temperature. By contrast, the thermal states of corresponding 1D spins do not have nonlocal entanglement. PMID- 29219413 TI - Probing Sub-GeV Mass Strongly Interacting Dark Matter with a Low-Threshold Surface Experiment. AB - Using data from the nu-cleus detector, based on the surface of Earth, we place constraints on dark matter in the form of strongly interacting massive particles (SIMPs) which interact with nucleons via nuclear-scale cross sections. For large SIMP-nucleon cross sections, the sensitivity of traditional direct dark matter searches using underground experiments is limited by the energy loss experienced by SIMPs, due to scattering with the rock overburden and experimental shielding on their way to the detector apparatus. Hence, a surface-based experiment is ideal for a SIMP search, despite the much larger background resulting from the lack of shielding. We show using data from a recent surface run of a low threshold cryogenic detector that values of the SIMP-nucleon cross section up to approximately 10^{-27} cm^{2} can be excluded for SIMPs with masses above 100 MeV. PMID- 29219414 TI - Double Contact During Drop Impact on a Solid Under Reduced Air Pressure. AB - Drops impacting on solid surfaces entrap small bubbles under their centers, owing to the lubrication pressure which builds up in the thin intervening air layer. We use ultrahigh-speed interference imaging, at 5 Mfps, to investigate how this air layer changes when the ambient air pressure is reduced below atmospheric. Both the radius and the thickness of the air disc become smaller with reduced air pressure. Furthermore, we find the radial extent of the air disc bifurcates, when the compressibility parameter exceeds ~25. This bifurcation is also imprinted onto some of the impacts, as a double contact. In addition to the central air disc inside the first ring contact, this is immediately followed by a second ring contact, which entraps an outer toroidal strip of air, which contracts into a ring of bubbles. We find this occurs in a regime where Navier slip, due to rarefied gas effects, enhances the rate gas can escape from the path of the droplet. PMID- 29219415 TI - Strongly Correlated Metal Built from Sachdev-Ye-Kitaev Models. AB - Prominent systems like the high-T_{c} cuprates and heavy fermions display intriguing features going beyond the quasiparticle description. The Sachdev-Ye Kitaev (SYK) model describes a (0+1)D quantum cluster with random all-to-all four fermion interactions among N fermion modes which becomes exactly solvable as N >infinity, exhibiting a zero-dimensional non-Fermi-liquid with emergent conformal symmetry and complete absence of quasiparticles. Here we study a lattice of complex-fermion SYK dots with random intersite quadratic hopping. Combining the imaginary time path integral with real time path integral formulation, we obtain a heavy Fermi liquid to incoherent metal crossover in full detail, including thermodynamics, low temperature Landau quasiparticle interactions, and both electrical and thermal conductivity at all scales. We find linear in temperature resistivity in the incoherent regime, and a Lorentz ratio L=(kapparho/T) varies between two universal values as a function of temperature. Our work exemplifies an analytically controlled study of a strongly correlated metal. PMID- 29219416 TI - Glassy Anomalies in the Low-Temperature Thermal Properties of a Minimally Disordered Crystalline Solid. AB - The low-temperature thermal and transport properties of an unusual kind of crystal exhibiting minimal molecular positional and tilting disorder have been measured. The material, namely, low-dimensional, highly anisotropic pentachloronitrobenzene has a layered structure of rhombohedral parallel planes in which the molecules execute large-amplitude in-plane as well as concurrent out of-plane librational motions. Our study reveals that low-temperature glassy anomalies can be found in a system with minimal disorder due to the freezing of (mostly in-plane) reorientational jumps of molecules between equivalent crystallographic positions with partial site occupation. Our findings will pave the way to a deeper understanding of the origin of the above-mentioned universal glassy properties at low temperature. PMID- 29219417 TI - Nonlinear Focusing in Dynamic Crack Fronts and the Microbranching Transition. AB - Cracks in brittle materials produce two types of generic surface structures: facets at low velocities and microbranches at higher ones. Here we observe a transition from faceting to microbranching in polyacrylamide gels that is characterized by nonlinear dynamic localization of crack fronts. To better understand this process we derive a first-principles nonlinear equation of motion for crack fronts in the context of scalar elasticity. Its solution shows that nonlinear focusing coupled to rate dependence of dissipation governs the transition to microbranching. PMID- 29219418 TI - Correlated Three-Dimensional Imaging of Dislocations: Insights into the Onset of Thermal Slip in Semiconductor Wafers. AB - Correlated x-ray diffraction imaging and light microscopy provide a conclusive picture of three-dimensional dislocation arrangements on the micrometer scale. The characterization includes bulk crystallographic properties like Burgers vectors and determines links to structural features at the surface. Based on this approach, we study here the thermally induced slip-band formation at prior mechanical damage in Si wafers. Mobilization and multiplication of preexisting dislocations are identified as dominating mechanisms, and undisturbed long-range emission from regenerative sources is discovered. PMID- 29219419 TI - Enhanced Strength Through Nanotwinning in the Thermoelectric Semiconductor InSb. AB - The conversion efficiency (zT) of thermoelectric (TE) materials has been enhanced over the last two decades, but their engineering applications are hindered by the poor mechanical properties, especially the low strength at working conditions. Here we used density functional theory (DFT) to show a strength enhancement in the TE semiconductor InSb arising from the twin boundaries (TBs). This strengthening effect leads to an 11% enhancement of the ideal shear strength in flawless crystalline InSb where this theoretical strength is considered as an upper bound on the attainable strength for a realistic material. DFT calculations reveal that the directional covalent bond rearrangements at the TB accommodating the structural mismatch lead to the anisotropic resistance against the deformation combined with the enhanced TB rigidity. This produces a strong stress response in the nanotwinned InSb. This work provides a fundamental insight for understanding the deformation mechanism of nanotwinned TE semiconductors, which is beneficial for developing reliable TE devices. PMID- 29219420 TI - SiO_{2} Glass Density to Lower-Mantle Pressures. AB - The convection or settling of matter in the deep Earth's interior is mostly constrained by density variations between the different reservoirs. Knowledge of the density contrast between solid and molten silicates is thus of prime importance to understand and model the dynamic behavior of the past and present Earth. SiO_{2} is the main constituent of Earth's mantle and is the reference model system for the behavior of silicate melts at high pressure. Here, we apply our recently developed x-ray absorption technique to the density of SiO_{2} glass up to 110 GPa, doubling the pressure range for such measurements. Our density data validate recent molecular dynamics simulations and are in good agreement with previous experimental studies conducted at lower pressure. Silica glass rapidly densifies up to 40 GPa, but the density trend then flattens to become asymptotic to the density of SiO_{2} minerals above 60 GPa. The density data present two discontinuities at ~17 and ~60 GPa that can be related to a silicon coordination increase from 4 to a mixed 5/6 coordination and from 5/6 to sixfold, respectively. SiO_{2} glass becomes denser than MgSiO_{3} glass at ~40 GPa, and its density becomes identical to that of MgSiO_{3} glass above 80 GPa. Our results on SiO_{2} glass may suggest that a variation of SiO_{2} content in a basaltic or pyrolitic melt with pressure has at most a minor effect on the final melt density, and iron partitioning between the melts and residual solids is the predominant factor that controls melt buoyancy in the lowermost mantle. PMID- 29219421 TI - Correlation between Local Structure Order and Spatial Heterogeneity in a Metallic Glass. AB - Although nanoscale spatial heterogeneity of metallic glasses has been demonstrated by extensive experimental and theoretical investigations, the nature of spatial heterogeneity remains poorly known owing to the absence of a structural depiction of the inhomogeneity from experimental insight. Here we report the experimental characterization of the spatial heterogeneity of a metallic glass by utilizing state-of-the-art angstrom-beam electron diffraction and scanning transmission electron microscopy. The subnanoscale electron diffraction reveals that the nanoscale spatial heterogeneity and corresponding density fluctuation have a close correlation with the local structure variation from icosahedronlike to tetragonal crystal-like order. The structural insights of spatial heterogeneity have important implications in understanding the properties and dynamics of metallic glasses. PMID- 29219422 TI - Critical Role of the Exchange Interaction for the Electronic Structure and Charge Density-Wave Formation in TiSe_{2}. AB - We show that the inclusion of screened exchange via hybrid functionals provides a unified description of the electronic and vibrational properties of TiSe_{2}. In contrast to local approximations in density functional theory, the explicit inclusion of exact, nonlocal exchange captures the effects of the electron electron interaction needed to both separate the Ti-d states from the Se-p states and stabilize the charge-density-wave (CDW) (or low-T) phase through the formation of a p-d hybridized state. We further show that this leads to an enhanced electron-phonon coupling that can drive the transition even if a small gap opens in the high-T phase. Finally, we demonstrate that the hybrid functionals can generate a CDW phase where the electronic bands, the geometry, and the phonon frequencies are in agreement with experiments. PMID- 29219423 TI - Pure Even Harmonic Generation from Oriented CO in Linearly Polarized Laser Fields. AB - The first high harmonic spectrum containing only the odd orders was observed in experiments 30 years ago. However, a spectrum containing pure even harmonics has never been observed. We investigate the generation of pure even harmonics from oriented CO molecules in linearly polarized laser fields employing the time dependent density-functional theory. We find that the even harmonics, with no odd orders, are generated with the polarization perpendicular to the laser polarization when the molecular axis of CO is perpendicular to the laser polarization. The generation of pure even harmonics reveals a type of dipole acceleration originating from the permanent dipole moment. This phenomenon exists in all systems with permanent dipole moments, including bulk crystal and polyatomic molecules. PMID- 29219424 TI - Two-Particle Four-Mode Interferometer for Atoms. AB - We present a free-space interferometer to observe two-particle interference of a pair of atoms with entangled momenta. The source of atom pairs is a Bose-Einstein condensate subject to a dynamical instability, and the interferometer is realized using Bragg diffraction on optical lattices, in the spirit of our recent Hong-Ou Mandel experiment. We report on an observation ruling out the possibility of a purely mixed state at the input of the interferometer. We explain how our current setup can be extended to enable a test of a Bell inequality on momentum observables. PMID- 29219425 TI - Universal Coherence-Induced Power Losses of Quantum Heat Engines in Linear Response. AB - We identify a universal indicator for the impact of coherence on periodically driven quantum devices by dividing their power output into a classical contribution and one stemming solely from superpositions. Specializing to Lindblad dynamics and small driving amplitudes, we derive general upper bounds on both the coherent and the total power of cyclic heat engines. These constraints imply that, for sufficiently slow driving, coherence inevitably leads to power losses in the linear-response regime. We illustrate our theory by working out the experimentally relevant example of a single-qubit engine. PMID- 29219426 TI - Interatomic Spin Coupling in Manganese Clusters Registered on Graphene. AB - Different interatomic spin interactions in graphene-regulated Mn atomic clusters are investigated by low-temperature scanning tunneling microscopy and magnetic field-dependent inelastic spin excitation spectroscopy. All dimers observed exhibit an antiferromagnetic (AFM) singlet ground state and spin transition from the singlet to triplet states, but their AFM coupling strength shows a unique dependence on their site registration on the graphene. Intriguing spin coupling can be found in the graphene-mediated Mn trimers, which manifest multilevel spin excitations. In combination with Heisenberg spin modeling and first-principles numerical simulation, an exclusive noncollinear spin configuration of the Mn trimer regulated by the graphene template can be determined, and our observed experimental exchange energies cannot be understood by a direct spin exchange mechanism, but suggest a nonlocal Ruderman-Kittel-Kasuya-Yosida indirect spin exchange mechanism through substrate modulation, which has not yet been achieved in graphene so far. PMID- 29219427 TI - No Smooth Beginning for Spacetime. AB - We identify a fundamental obstruction to any theory of the beginning of the Universe, formulated as a semiclassical path integral. The Hartle-Hawking no boundary proposal and Vilenkin's tunneling proposal are examples of such theories. Each may be formulated as the quantum amplitude for obtaining a final 3 geometry by integrating over 4-geometries. We introduce a new mathematical tool Picard-Lefschetz theory-for defining the semiclassical path integral for gravity. The Lorentzian path integral for quantum cosmology with a positive cosmological constant is mathematically meaningful in this approach, but the Euclidean version is not. The Lorentzian-Picard-Lefschetz formulation yields unambiguous predictions. Unfortunately, the outcome is that primordial tensor (gravitational wave) fluctuations are unsuppressed. We prove a general theorem to this effect, in a wide class of theories. PMID- 29219428 TI - Chiral Anomaly as the Origin of the Planar Hall Effect in Weyl Semimetals. AB - In condensed matter physics, the term "chiral anomaly" implies the violation of the separate number conservation laws of Weyl fermions of different chiralities in the presence of parallel electric and magnetic fields. One effect of the chiral anomaly in the recently discovered Dirac and Weyl semimetals is a positive longitudinal magnetoconductance. Here we show that chiral anomaly and nontrivial Berry curvature effects engender another striking effect in Weyl semimetals, the planar Hall effect (PHE). Remarkably, the PHE manifests itself when the applied current, magnetic field, and the induced transverse "Hall" voltage all lie in the same plane, precisely in a configuration in which the conventional Hall effect vanishes. In this work we treat the PHE quasiclassically, and predict specific experimental signatures for type-I and type-II Weyl semimetals that can be directly checked in experiments. PMID- 29219429 TI - Superanomalous Skin Effect for Surface Plasmon Polaritons. AB - It is commonly assumed that surface plasmon-polariton (SPP) excitations on a metal-dielectric interface decay exponentially inside the metallic sample. Here, we show that in a wide spectral interval the SPP field decays much slower, being inversely proportional to the distance to the interface modified by an additional logarithmic factor. This dependence differs from the standard anomalous skin effect and is provisionally referred to as superanomalous. Its origin is the nonlocality and the logarithmic singularity of the dielectric permittivity in metals. This type of decay is pronounced for SPP modes of higher frequencies, but it is suppressed for light waves. PMID- 29219430 TI - Gravitational Waves from Binary Black Hole Mergers inside Stars. AB - We present results from a controlled numerical experiment investigating the effect of stellar density gas on the coalescence of binary black holes (BBHs) and the resulting gravitational waves (GWs). This investigation is motivated by the proposed stellar core fragmentation scenario for BBH formation and the associated possibility of an electromagnetic counterpart to a BBH GW event. We employ full numerical relativity coupled with general-relativistic hydrodynamics and set up a 30+30 M_{?} BBH (motivated by GW150914) inside gas with realistic stellar densities. Our results show that at densities rho?10^{6}-10^{7} g cm^{-3} dynamical friction between the BHs and gas changes the coalescence dynamics and the GW signal in an unmistakable way. We show that for GW150914, LIGO observations appear to rule out BBH coalescence inside stellar gas of rho?10^{7} g cm^{-3}. Typical densities in the collapsing cores of massive stars are in excess of this density. This excludes the fragmentation scenario for the formation of GW150914. PMID- 29219431 TI - Axicon Lens for Electrons Using a Magnetic Vortex: The Efficient Generation of a Bessel Beam. AB - We demonstrate experimentally an efficient electron axicon lens using a magnetic vortex. We show that naturally occurring magnetic vortices with circular magnetic moment distributions in a soft-magnetic thin film create conical phase shifts for fast electrons. Such radially symmetric linear phase ramps are equivalent to ideal light optical axicons. We apply this lens to generate efficient nondiffracting electron Bessel beams, which we observe experimentally in through focus Lorentz images as well as in propagated off-axis electron holograms. This highlights the potential for using magnetic nanostructures as highly efficient and flexible phase plates for crafting desired electron beam shapes. PMID- 29219432 TI - Anisotropy and Suppression of Spin-Orbit Interaction in a GaAs Double Quantum Dot. AB - The spin-flip tunneling rates are measured in GaAs-based double quantum dots by time-resolved charge detection. Such processes occur in the Pauli spin blockade regime with two electrons occupying the double quantum dot. Ways are presented for tuning the spin-flip tunneling rate, which on the one hand gives access to measuring the Rashba and Dresselhaus spin-orbit coefficients. On the other hand, they make it possible to turn on and off the effect of spin-orbit interaction with a high on/off ratio. The tuning is accomplished by choosing the alignment of the tunneling direction with respect to the crystallographic axes, as well as by choosing the orientation of the external magnetic field with respect to the spin orbit magnetic field. Spin lifetimes of 10 s are achieved at a tunneling rate close to 1 kHz. PMID- 29219433 TI - Vortices Enhance Diffusion in Dense Granular Flows. AB - This Letter introduces unexpected diffusion properties in dense granular flows and shows that they result from the development of partially jammed clusters of grains, or granular vortices. Transverse diffusion coefficients D and average vortex sizes l are systematically measured in simulated plane shear flows at differing inertial numbers I revealing (i) a strong deviation from the expected scaling D?d^{2}gamma[over ] involving the grain size d and shear rate gamma[over ] and (ii) an increase in average vortex size l at low I, following l?dI^{-1/2} but limited by the system size. A general scaling D?ldgamma[over ] is introduced that captures all the measurements and highlights the key role of vortex size. This leads to establishing a scaling for the diffusivity in dense granular flow as D?d^{2}sqrt[gamma[over ]/t_{i}] involving the geometric average of shear time 1/gamma[over ] and inertial time t_{i} as the relevant time scale. Analysis of grain trajectories is further evidence that this diffusion process arises from a vortex-driven random walk. PMID- 29219434 TI - Separation of Isotopes in Space and Time by Gas-Surface Atomic Diffraction. AB - The separation of isotopes in space and time by gas-surface atomic diffraction is presented as a new means for isotopic enrichment. A supersonic beam of natural abundance neon is scattered from a periodic surface of methyl-terminated silicon, with the ^{20}Ne and ^{22}Ne isotopes scattering into unique diffraction channels. Under the experimental conditions presented in this Letter, a single pass yields an enrichment factor 3.50+/-0.30 for the less abundant isotope, ^{22}Ne, with extension to multiple passes easily envisioned. The velocity distribution of the incident beam is demonstrated to be the determining factor in the degree of separation between the isotopes' diffraction peaks. In cases where there is incomplete angular separation, the difference in arrival times of the two isotopes at a given scattered angle can be exploited to achieve complete temporal separation of the isotopes. This study explores the novel application of supersonic molecular beam studies as a viable candidate for separation of isotopes without the need for ionization or laser excitation. PMID- 29219435 TI - Chemical Enhancements in Shock-Accelerated Particles: Ab initio Simulations. AB - We study the thermalization, injection, and acceleration of ions with different mass/charge ratios, A/Z, in nonrelativistic collisionless shocks via hybrid (kinetic ions-fluid electrons) simulations. In general, ions thermalize to a postshock temperature proportional to A. When diffusive shock acceleration is efficient, ions develop a nonthermal tail whose extent scales with Z and whose normalization is enhanced as (A/Z)^{2} so that incompletely ionized heavy ions are preferentially accelerated. We discuss how these findings can explain observed heavy-ion enhancements in Galactic cosmic rays. PMID- 29219436 TI - Nonadiabatic Vibrational Damping of Molecular Adsorbates: Insights into Electronic Friction and the Role of Electronic Coherence. AB - We present a perturbation approach rooted in time-dependent density-functional theory to calculate electron-hole (e-h) pair excitation spectra during the nonadiabatic vibrational damping of adsorbates on metal surfaces. Our analysis for the benchmark systems CO on Cu(100) and Pt(111) elucidates the surprisingly strong influence of rather short electronic coherence times. We demonstrate how in the limit of short electronic coherence times, as implicitly assumed in prevalent quantum nuclear theories for the vibrational lifetimes as well as electronic friction, band structure effects are washed out. Our results suggest that more accurate lifetime or chemicurrentlike experimental measurements could characterize the electronic coherence. PMID- 29219437 TI - Comment on "Divergent and Ultrahigh Thermal Conductivity in Millimeter-Long Nanotubes". PMID- 29219438 TI - Observation of the Borromean Three-Body Forster Resonances for Three Interacting Rb Rydberg Atoms. AB - Three-body Forster resonances at long-range interactions of Rydberg atoms were first predicted and observed in Cs Rydberg atoms by Faoro et al. [Nat. Commun. 6, 8173 (2015)NCAOBW2041-172310.1038/ncomms9173]. In these resonances, one of the atoms carries away an energy excess preventing the two-body resonance, leading thus to a Borromean type of Forster energy transfer. But they were in fact observed as the average signal for the large number of atoms N?1. In this Letter, we report on the first experimental observation of the three-body Forster resonances 3*nP_{3/2}(|M|)->nS_{1/2}+(n+1)S_{1/2}+nP_{3/2}(|M^{*}|) in a few Rb Rydberg atoms with n=36, 37. We have found here clear evidence that there is no signature of the three-body Forster resonance for exactly two interacting Rydberg atoms, while it is present for N=3-5 atoms. This demonstrates the assumption that three-body resonances can generalize to any Rydberg atom. As such resonance represents an effective three-body operator, it can be used to directly control the three-body interactions in quantum simulations and quantum information processing with Rydberg atoms. PMID- 29219439 TI - Strongly Asymmetric Spectroscopy in Plasmon-Exciton Hybrid Systems due to Interference-Induced Energy Repartitioning. AB - Recent intense effort has been devoted to exploring different manifestations of resonant excitations of strongly coupled plasmons and excitons, but so far such studies have been limited to situations where the Fano- or Rabi-type spectra are largely symmetric at zero detuning. Using a newly developed full quantum mechanical model, here we reveal the existence of a highly asymmetric spectroscopic regime for both the Rabi splitting and transparency dip. The asymmetric nature is inherently tied to the non-negligible exciton absorbance and is caused by substantial interference-induced energy repartitioning of the resonance peaks. This theoretical framework can be exploited to reveal the quantum behaviors of the two excitation entities with varying mutual coupling strengths in both linear and nonlinear regimes. We also use prototypical systems of rhodamine molecules strongly coupled with AuAg alloyed nanoparticles and well devised control experiments to demonstrate the validity and tunability of the energy repartitioning and correlated electronic state occupations, as captured by the variations in the asymmetric spectroscopy and corresponding nonlinear absorption coefficient as a function of the Au:Ag ratio. The present study helps to substantially enrich our microscopic understanding of strongly coupled plasmon exciton systems. PMID- 29219440 TI - No Thermalization without Correlations. AB - The proof of the long-standing conjecture is presented that Markovian quantum master equations are at odds with quantum thermodynamics under conventional assumptions of fluctuation-dissipation theorems (implying a translation invariant dissipation). Specifically, except for identified systems, persistent system-bath correlations of at least one kind, spatial or temporal, are obligatory for thermalization. A systematic procedure is proposed to construct translation invariant bath models producing steady states that well approximate thermal states. A quantum optical scheme for the laboratory assessment of the developed procedure is outlined. PMID- 29219441 TI - Phase Coexistence in Insect Swarms. AB - Animal aggregations are visually striking, and as such are popular examples of collective behavior in the natural world. Quantitatively demonstrating the collective nature of such groups, however, remains surprisingly difficult. Inspired by thermodynamics, we applied topological data analysis to laboratory insect swarms and found evidence for emergent, material-like states. We show that the swarms consist of a core "condensed" phase surrounded by a dilute "vapor" phase. These two phases coexist in equilibrium, and maintain their distinct macroscopic properties even though individual insects pass freely between them. We further define a pressure and chemical potential to describe these phases, extending theories of active matter to aggregations of macroscopic animals and laying the groundwork for a thermodynamic description of collective animal groups. PMID- 29219442 TI - Electrokinetic Control of Viscous Fingering. AB - We present a theory of the interfacial stability of two immiscible electrolytes under the coupled action of pressure gradients and electric fields in a Hele-Shaw cell or porous medium. Mathematically, our theory describes a phenomenon of "vector Laplacian growth," in which the interface moves in response to the gradient of a vector-valued potential function through a generalized mobility tensor. Physically, we extend the classical Saffman-Taylor problem to electrolytes by incorporating electrokinetic (EK) phenomena. A surprising prediction is that viscous fingering can be controlled by varying the injection ratio of electric current to flow rate. Beyond a critical injection ratio, stability depends only upon the relative direction of flow and current, regardless of the viscosity ratio. Possible applications include porous materials processing, electrically enhanced oil recovery, and EK remediation of contaminated soils. PMID- 29219443 TI - Fundamental Bounds on First Passage Time Fluctuations for Currents. AB - Current is a characteristic feature of nonequilibrium systems. In stochastic systems, these currents exhibit fluctuations constrained by the rate of dissipation in accordance with the recently discovered thermodynamic uncertainty relation. Here, we derive a conjugate uncertainty relationship for the first passage time to accumulate a fixed net current. More generally, we use the tools of large-deviation theory to simply connect current fluctuations and first passage time fluctuations in the limit of long times and large currents. With this connection, previously discovered symmetries and bounds on the large deviation function for currents are readily transferred to first passage times. PMID- 29219444 TI - Dynamic Scaling of Colloidal Gel Formation at Intermediate Concentrations. AB - We have examined the formation and dissolution of gels composed of intermediate volume-fraction nanoparticles with temperature-dependent short-range attractions using small-angle x-ray scattering, x-ray photon correlation spectroscopy, and rheology to obtain nanoscale and macroscale sensitivity to structure and dynamics. Gel formation after temperature quenches to the vicinity of the rheologically determined gel temperature, T_{gel}, was characterized via the slowdown of dynamics and changes in microstructure observed in the intensity autocorrelation functions and structure factor, respectively, as a function of quench depth (DeltaT=T_{quench}-T_{gel}), wave vector, and formation time t_{f}. We find the wave-vector-dependent dynamics, microstructure, and rheology at a particular DeltaT and t_{f} map to those at other DeltaTs and t_{f}s via an effective scaling temperature, T_{s}. A single T_{s} applies to a broad range of DeltaT and t_{f} but does depend on the particle size. The rate of formation implied by the scaling is a far stronger function of DeltaT than expected from the attraction strength between colloids. We interpret this strong temperature dependence in terms of cooperative bonding required to form stable gels via energetically favored, local structures. PMID- 29219445 TI - Fast Quantum State Transfer and Entanglement Renormalization Using Long-Range Interactions. AB - In short-range interacting systems, the speed at which entanglement can be established between two separated points is limited by a constant Lieb-Robinson velocity. Long-range interacting systems are capable of faster entanglement generation, but the degree of the speedup possible is an open question. In this Letter, we present a protocol capable of transferring a quantum state across a distance L in d dimensions using long-range interactions with a strength bounded by 1/r^{alpha}. If alpha=d+1, it occurs in a time proportional to L. We then use this protocol to upper bound the time required to create a state specified by a multiscale entanglement renormalization ansatz (MERA) tensor network and show that if the linear size of the MERA state is L, then it can be created in a time that scales with L identically to the state transfer up to logarithmic corrections. This protocol realizes an exponential speedup in cases of alpha=d, which could be useful in creating large entangled states for dipole-dipole (1/r^{3}) interactions in three dimensions. PMID- 29219446 TI - Control of Chiral Magnetism Through Electric Fields in Multiferroic Compounds above the Long-Range Multiferroic Transition. AB - Polarized neutron scattering experiments reveal that type-II multiferroics allow for controlling the spin chirality by external electric fields even in the absence of long-range multiferroic order. In the two prototype compounds TbMnO_{3} and MnWO_{4}, chiral magnetism associated with soft overdamped electromagnons can be observed above the long-range multiferroic transition temperature T_{MF}, and it is possible to control it through an electric field. While MnWO_{4} exhibits chiral correlations only in a tiny temperature interval above T_{MF}, in TbMnO_{3} chiral magnetism can be observed over several kelvin up to the lock-in transition, which is well separated from T_{MF}. PMID- 29219448 TI - Improving the Functional Control of Aged Ferroelectrics Using Insights from Atomistic Modeling. AB - We provide a fundamental insight into the microscopic mechanisms of the aging processes. Using large-scale molecular dynamics simulations of the prototypical ferroelectric material PbTiO_{3}, we demonstrate that the experimentally observed aging phenomena can be reproduced from intrinsic interactions of defect dipoles related to dopant-vacancy associates, even in the absence of extrinsic effects. We show that variation of the dopant concentration modifies the material's hysteretic response. We identify a universal method to reduce loss and tune the electromechanical properties of inexpensive ceramics for efficient technologies. PMID- 29219449 TI - Analytic Solutions to Coherent Control of the Dirac Equation. AB - A simple framework for Dirac spinors is developed that parametrizes admissible quantum dynamics and also analytically constructs electromagnetic fields, obeying Maxwell's equations, which yield a desired evolution. In particular, we show how to achieve dispersionless rotation and translation of wave packets. Additionally, this formalism can handle control interactions beyond electromagnetic. This work reveals unexpected flexibility of the Dirac equation for control applications, which may open new prospects for quantum technologies. PMID- 29219450 TI - Dimensional Crossover-Induced Topological Hall Effect in a Magnetic Topological Insulator. AB - We report transport studies of Mn-doped Bi_{2}Te_{3} topological insulator (TI) films with an accurately controlled thickness grown by molecular beam epitaxy. We find that films thicker than five quintuple layers (QLs) exhibit the usual anomalous Hall effect for magnetic TIs. When the thickness is reduced to four QLs, however, characteristic features associated with the topological Hall effect (THE) emerge. More surprisingly, the THE vanishes again when the film thickness is further reduced to three QLs. Theoretical calculations demonstrate that the coupling between the top and bottom surface states at the dimensional crossover regime stabilizes the magnetic Skyrmion structure that is responsible for the THE. PMID- 29219451 TI - Joint Space-Time Coherent Vibration Driven Conformational Transitions in a Single Molecule. AB - We report single-molecule conformational transitions with joint angstrom femtosecond resolution by irradiating the junction of a scanning tunneling microscope with femtosecond laser pulses. An isolated pyrrolidine molecule adsorbed on a Cu(001) surface undergoes reversible transitions between two conformational states. The transition rate decays in time and exhibits sinusoidal oscillations with periods of specific molecular vibrations. The dynamics of this transition depends sensitively on the molecular environment, as exemplified by the effects of another molecule in proximity. PMID- 29219452 TI - Measurement of Body-Centered-Cubic Aluminum at 475 GPa. AB - Nanosecond in situ x-ray diffraction and simultaneous velocimetry measurements were used to determine the crystal structure and pressure, respectively, of ramp compressed aluminum at stress states between 111 and 475 GPa. The solid-solid Al phase transformations, fcc-hcp and hcp-bcc, are observed at 216+/-9 and 321+/-12 GPa, respectively, with the bcc phase persisting to 475 GPa. The high-pressure crystallographic texture of the hcp and bcc phases suggests close-packed or nearly close-packed lattice planes remain parallel through both transformations. PMID- 29219453 TI - Bell Correlations in a Many-Body System with Finite Statistics. AB - A recent experiment reported the first violation of a Bell correlation witness in a many-body system [Science 352, 441 (2016)]. Following discussions in this Letter, we address here the question of the statistics required to witness Bell correlated states, i.e., states violating a Bell inequality, in such experiments. We start by deriving multipartite Bell inequalities involving an arbitrary number of measurement settings, two outcomes per party and one- and two-body correlators only. Based on these inequalities, we then build up improved witnesses able to detect Bell correlated states in many-body systems using two collective measurements only. These witnesses can potentially detect Bell correlations in states with an arbitrarily low amount of spin squeezing. We then establish an upper bound on the statistics needed to convincingly conclude that a measured state is Bell correlated. PMID- 29219454 TI - Publisher's Note: Kinetic Simulations of the Interruption of Large-Amplitude Shear-Alfven Waves in a High-beta Plasma [Phys. Rev. Lett. 119, 155101 (2017)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.119.155101. PMID- 29219455 TI - Universal Quantum Computation with Gapped Boundaries. AB - This Letter discusses topological quantum computation with gapped boundaries of two-dimensional topological phases. Systematic methods are presented to encode quantum information topologically using gapped boundaries, and to perform topologically protected operations on this encoding. In particular, we introduce a new and general computational primitive of topological charge measurement and present a symmetry-protected implementation of this primitive. Throughout the Letter, a concrete physical example, the Z_{3} toric code [D(Z_{3})], is discussed. For this example, we have a qutrit encoding and an abstract universal gate set. Physically, gapped boundaries of D(Z_{3}) can be realized in bilayer fractional quantum Hall 1/3 systems. If a practical implementation is found for the required topological charge measurement, these boundaries will give rise to a direct physical realization of a universal quantum computer based on a purely Abelian topological phase. PMID- 29219456 TI - Melting Can Hinder Impact-Induced Adhesion. AB - Melting has long been used to join metallic materials, from welding to selective laser melting in additive manufacturing. In the same school of thought, localized melting has been generally perceived as an advantage, if not the main mechanism, for the adhesion of metallic microparticles to substrates during a supersonic impact. Here, we conduct the first in situ supersonic impact observations of individual metallic microparticles aimed at the explicit study of melting effects. Counterintuitively, we find that under at least some conditions melting is disadvantageous and hinders impact-induced adhesion. In the parameter space explored, i.e., ~10 MUm particle size and ~1 km/s particle velocity, we argue that the solidification time is much longer than the residence time of the particle on the substrate, so that resolidification cannot be a significant factor in adhesion. PMID- 29219457 TI - Finite Temperature Green's Function Approach for Excited State and Thermodynamic Properties of Cool to Warm Dense Matter. AB - We present a finite-temperature extension of the retarded cumulant Green's function for calculations of exited-state, correlation, and thermodynamic properties of electronic systems. The method incorporates a cumulant to leading order in the screened Coulomb interaction W, and improves on the GW approximation of many-body perturbation theory. Results for the homogeneous electron gas are presented for a wide range of densities and temperatures, from cool to warm dense matter regimes, which reveal several hitherto unexpected properties. For example, correlation effects remain strong at high T while the exchange-correlation energy becomes small; also the spectral function broadens and damping increases with temperature, blurring the usual quasiparticle picture. These effects are evident, e.g., in Compton scattering which exhibits many-body corrections that persist at normal densities and intermediate T. The approach also yields exchange correlation energies and potentials in good agreement with existing methods. PMID- 29219447 TI - Search for CP Violation and Measurement of the Branching Fraction in the Decay D^{0}->K_{S}^{0}K_{S}^{0}. AB - We report a study of the decay D^{0}->K_{S}^{0}K_{S}^{0} using 921 fb^{-1} of data collected at or near the Upsilon(4S) and Upsilon(5S) resonances with the Belle detector at the KEKB asymmetric energy e^{+}e^{-} collider. The measured time-integrated CP asymmetry is A_{CP}(D^{0}->K_{S}^{0}K_{S}^{0})=(-0.02+/-1.53+/ 0.02+/-0.17)%, and the branching fraction is B(D^{0} >K_{S}^{0}K_{S}^{0})=(1.321+/-0.023+/-0.036+/-0.044)*10^{-4}, where the first uncertainty is statistical, the second is systematic, and the third is due to the normalization mode (D^{0}->K_{S}^{0}pi^{0}). These results are significantly more precise than previous measurements available for this mode. The A_{CP} measurement is consistent with the standard model expectation. PMID- 29219458 TI - Detection of Microwave Transitions between Ortho and Para States in a Free Isolated Molecule. AB - Microwave transitions between the ortho and para states of the S_{2}Cl_{2} molecule in a free isolated condition are observed for the first time. In the theoretical treatment, we derive eigenfunctions of an effective Hamiltonian including the ortho-para interaction to calculate the intensities and frequencies of forbidden ortho-para transitions in the cm-wave region and pick up some promising candidates for the spectroscopic detection. In the experiment, transitions of the S_{2}Cl_{2} molecule under a supersonic jet condition are observed with a Fourier transform microwave spectrometer. Seven hyperfine resolved rotational transitions including the lowest rotational level are detected as the ortho-para transitions at the predicted frequencies within the experimental errors. The observed intensities are about 10^{-3} times the allowed transitions, which are consistent with the predictions based on the intensity borrowing model. This result suggests that the ortho-para conversion of this molecule occurs in a few thousand years through spontaneous emission even in a circumstance where molecular collisions occur rarely like in interstellar space. PMID- 29219459 TI - Electronic-Structure Origin of Cation Disorder in Transition-Metal Oxides. AB - Cation disorder is an important design criterion for technologically relevant transition-metal (TM) oxides, such as radiation-tolerant ceramics and Li-ion battery electrodes. In this Letter, we use a combination of first-principles calculations, normal mode analysis, and band-structure arguments to pinpoint a specific electronic-structure effect that influences the stability of disordered phases. We find that the electronic configuration of a TM ion determines to what extent the structural energy is affected by site distortions. This mechanism explains the stability of disordered phases with large ionic radius differences and provides a concrete guideline for the discovery of novel disordered compositions. PMID- 29219460 TI - Oxidation-Mediated Fingering in Liquid Metals. AB - We identify and characterize a new class of fingering instabilities in liquid metals; these instabilities are unexpected due to the large interfacial tension of metals. Electrochemical oxidation lowers the effective interfacial tension of a gallium-based liquid metal alloy to values approaching zero, thereby inducing drastic shape changes, including the formation of fractals. The measured fractal dimension (D=1.3+/-0.05) places the instability in a different universality class than other fingering instabilities. By characterizing changes in morphology and dynamics as a function of droplet volume and applied electric potential, we identify the three main forces involved in this process: interfacial tension, gravity, and oxidative stress. Importantly, we find that electrochemical oxidation can generate compressive interfacial forces that oppose the tensile forces at a liquid interface. The surface oxide layer ultimately provides a physical and electrochemical barrier that halts the instabilities at larger positive potentials. Controlling the competition between interfacial tension and oxidative (compressive) stresses at the interface is important for the development of reconfigurable electronic, electromagnetic, and optical devices that take advantage of the metallic properties of liquid metals. PMID- 29219461 TI - Origin of Spectral Band Patterns in the Cosmic Unidentified Infrared Emission. AB - The cosmic unidentified infrared emission (UIE) band phenomenon is generally considered as indicative of free-flying polycyclic aromatic hydrocarbon molecules in space. However, a coherent explanation of emission spectral band patterns depending on astrophysical source is yet to be resolved under this attribution. Meanwhile astronomers have restored the alternative origin as due to amorphous carbon particles, but assigning spectral patterns to specific structural elements of particles is equally challenging. Here we report a physical principle in which inclusion of nonplanar structural defects in aromatic core molecular structures (pi domains) induces spectral patterns typical of the phenomenon. We show that defects in model pi domains modulate the electronic-vibration coupling that activates the delocalized pi-electron contribution to aromatic vibrational modes. The modulation naturally disperses C=C stretch modes in band patterns that readily resemble the UIE bands in the elusive 6-9 MUm range. The electron vibration interaction mechanics governing the defect-induced band patterns underscores the importance of pi delocalization in the emergence of UIE bands. We discuss the global UIE band regularity of this range as compatible with an emission from the delocalized sp^{2} phase, as pi domains, confined in disordered carbon mixed-phase aggregates. PMID- 29219462 TI - Numerical Study of Quantum Hall Bilayers at Total Filling nu_{T}=1: A New Phase at Intermediate Layer Distances. AB - We study the phase diagram of quantum Hall bilayer systems with total filing nu_{T}=1/2+1/2 of the lowest Landau level as a function of layer distances d. Based on numerical exact diagonalization calculations, we obtain three distinct phases, including an exciton superfluid phase with spontaneous interlayer coherence at small d, a composite Fermi liquid at large d, and an intermediate phase for 1.15/2^{-} proton decay with an energy of 800-900 keV, in agreement with the atomic mass evaluation proton-separation energy as well as results from the finite-range droplet model and shell model calculations using the GXPF1A interaction. However, we cannot explicitly exclude the possibility of a proton transition between 9^{+}(^{72}Rb) >9/2^{+}(^{71}Kr) isomeric states with a broken mirror symmetry. These results imply that ^{72}Kr is a strong waiting point in x-ray burst rp-process scenarios. PMID- 29219501 TI - Exact Logarithmic Four-Point Functions in the Critical Two-Dimensional Ising Model. AB - Based on conformal symmetry we propose an exact formula for the four-point connectivities of Fortuin-Kasteleyn clusters in the critical Ising model when the four points are anchored to the boundary. The explicit solution we found displays logarithmic singularities. We check our prediction using Monte Carlo simulations on a triangular lattice, showing excellent agreement. Our findings could shed further light on the formidable task of the characterization of logarithmic conformal field theories and on their relevance in physics. PMID- 29219502 TI - Relaxation Dynamics in the Merging of N Independent Condensates. AB - Controlled quantum systems such as ultracold atoms can provide powerful platforms to study nonequilibrium dynamics of closed many-body quantum systems, especially since a complete theoretical description is generally challenging. In this Letter, we present a detailed study of the rich out-of-equilibrium dynamics of an adjustable number N of uncorrelated condensates after connecting them in a ring shaped optical trap. We observe the formation of long-lived supercurrents and confirm the scaling of their winding number with N in agreement with the geodesic rule. Moreover, we provide insight into the microscopic mechanism that underlies the smoothening of the phase profile. PMID- 29219503 TI - Collapse and Nonlinear Instability of AdS Space with Angular Momentum. AB - We present a numerical study of rotational dynamics in AdS_{5} with equal angular momenta in the presence of a complex doublet scalar field. We determine that the endpoint of gravitational collapse is a Myers-Perry black hole for high energies and a hairy black hole for low energies. We investigate the time scale for collapse at low energies E, keeping the angular momenta J?E in anti-de Sitter (AdS) length units. We find that the inclusion of angular momenta delays the collapse time, but retains a t~1/E scaling. We perturb and evolve rotating boson stars, and find that boson stars near AdS space appear stable, but those sufficiently far from AdS space are unstable. We find that the dynamics of the boson star instability depend on the perturbation, resulting either in collapse to a Myers-Perry black hole, or development towards a stable oscillating solution. PMID- 29219495 TI - Evidence for Isospin Violation and Measurement of CP Asymmetries in B >K^{*}(892)gamma. AB - We report the first evidence for isospin violation in B->K^{*}gamma and the first measurement of the difference of CP asymmetries between B^{+}->K^{*+}gamma and B^{0}->K^{*0}gamma. This analysis is based on the data sample containing 772*10^{6}BB[over -] pairs that was collected with the Belle detector at the KEKB energy-asymmetric e^{+}e^{-} collider. We find evidence for the isospin violation with a significance of 3.1sigma, Delta_{0+}=[+6.2+/-1.5(stat)+/-0.6(syst)+/ 1.2(f_{+-}/f_{00})]%, where the third uncertainty is due to the uncertainty on the fraction of B^{+}B^{-} to B^{0}B[over -]^{0} production in Upsilon(4S) decays. The measured value is consistent with predictions of the standard model. The result for the difference of CP asymmetries is DeltaA_{CP}=[+2.4+/ 2.8(stat)+/-0.5(syst)]%, consistent with zero. The measured branching fractions and CP asymmetries for charged and neutral B meson decays are the most precise to date. We also calculate the ratio of branching fractions of B^{0}->K^{*0}gamma to B_{s}^{0}->phigamma. PMID- 29219504 TI - Detecting Topological Transitions in Two Dimensions by Hamiltonian Evolution. AB - We show that the evolution of two-component particles governed by a two dimensional spin-orbit lattice Hamiltonian can reveal transitions between topological phases. A kink in the mean width of the particle distribution signals the closing of the band gap, a prerequisite for a quantum phase transition between topological phases. Furthermore, for realistic and experimentally motivated Hamiltonians, the density profile in topologically nontrivial phases displays characteristic rings in the vicinity of the origin that are absent in trivial phases. The results are expected to have an immediate application to systems of ultracold atoms and photonic lattices. PMID- 29219505 TI - Direct Imaging of a Zero-Field Target Skyrmion and Its Polarity Switch in a Chiral Magnetic Nanodisk. AB - A target Skyrmion is a flux-closed spin texture that has twofold degeneracy and is promising as a binary state in next generation universal memories. Although its formation in nanopatterned chiral magnets has been predicted, its observation has remained challenging. Here, we use off-axis electron holography to record images of target Skyrmions in a 160-nm-diameter nanodisk of the chiral magnet FeGe. We compare experimental measurements with numerical simulations, demonstrate switching between two stable degenerate target Skyrmion ground states that have opposite polarities and rotation senses, and discuss the observed switching mechanism. PMID- 29219506 TI - Nonspherically Symmetric Collapse in Asymptotically AdS Spacetimes. AB - We numerically simulate gravitational collapse in asymptotically anti-de Sitter spacetimes away from spherical symmetry. Starting from initial data sourced by a massless real scalar field, we solve the Einstein equations with a negative cosmological constant in five spacetime dimensions and obtain a family of nonspherically symmetric solutions, including those that form two distinct black holes on the axis. We find that these configurations collapse faster than spherically symmetric ones of the same mass and radial compactness. Similarly, they require less mass to collapse within a fixed time. PMID- 29219507 TI - Closed-Loop Control of Complex Networks: A Trade-Off between Time and Energy. AB - Controlling complex nonlinear networks is largely an unsolved problem at the present. Existing works focus either on open-loop control strategies and their energy consumptions or on closed-loop control schemes with an infinite-time duration. We articulate a finite-time, closed-loop controller with an eye toward the physical and mathematical underpinnings of the trade-off between the control time and energy as well as their dependence on the network parameters and structure. The closed-loop controller is tested on a large number of real systems including stem cell differentiation, food webs, random ecosystems, and spiking neuronal networks. Our results represent a step forward in developing a rigorous and general framework to control nonlinear dynamical networks with a complex topology. PMID- 29219508 TI - Dirac Fermions with Competing Orders: Non-Landau Transition with Emergent Symmetry. AB - We consider a model of Dirac fermions in 2+1 dimensions with dynamically generated, anticommuting SO(3) Neel and Z_{2} Kekule mass terms that permits sign free quantum Monte Carlo simulations. The phase diagram is obtained from finite size scaling and includes a direct and continuous transition between the Neel and Kekule phases. The fermions remain gapped across the transition, and our data support an emergent SO(4) symmetry unifying the two order parameters. While the bare symmetries of our model do not allow for spinon-carrying Z_{3} vortices in the Kekule mass, the emergent SO(4) invariance permits an interpretation of the transition in terms of deconfined quantum criticality. The phase diagram also features a tricritical point at which the Neel, Kekule, and semimetallic phases meet. The present sign-free approach can be generalized to a variety of other mass terms and thereby provides a new framework to study exotic critical phenomena. PMID- 29219509 TI - Optimal Charge-to-Spin Conversion in Graphene on Transition-Metal Dichalcogenides. AB - When graphene is placed on a monolayer of semiconducting transition metal dichalcogenide (TMD) its band structure develops rich spin textures due to proximity spin-orbital effects with interfacial breaking of inversion symmetry. In this work, we show that the characteristic spin winding of low-energy states in graphene on a TMD monolayer enables current-driven spin polarization, a phenomenon known as the inverse spin galvanic effect (ISGE). By introducing a proper figure of merit, we quantify the efficiency of charge-to-spin conversion and show it is close to unity when the Fermi level approaches the spin minority band. Remarkably, at high electronic density, even though subbands with opposite spin helicities are occupied, the efficiency decays only algebraically. The giant ISGE predicted for graphene on TMD monolayers is robust against disorder and remains large at room temperature. PMID- 29219510 TI - Spin Fluctuations in the 0.7 Anomaly in Quantum Point Contacts. AB - It has been argued that the 0.7 anomaly in quantum point contacts (QPCs) is due to an enhanced density of states at the top of the QPC barrier (the van Hove ridge), which strongly enhances the effects of interactions. Here, we analyze their effect on dynamical quantities. We find that they pin the van Hove ridge to the chemical potential when the QPC is subopen, cause a temperature dependence for the linear conductance that qualitatively agrees with experiments, strongly enhance the magnitude of the dynamical spin susceptibility, and significantly lengthen the QPC traversal time. We conclude that electrons traverse the QPC via a slowly fluctuating spin structure of finite spatial extent. PMID- 29219512 TI - Information Retrieval and Criticality in Parity-Time-Symmetric Systems. AB - By investigating information flow between a general parity-time (PT-)symmetric non-Hermitian system and an environment, we find that the complete information retrieval from the environment can be achieved in the PT-unbroken phase, whereas no information can be retrieved in the PT-broken phase. The PT-transition point thus marks the reversible-irreversible criticality of information flow, around which many physical quantities such as the recurrence time and the distinguishability between quantum states exhibit power-law behavior. Moreover, by embedding a PT-symmetric system into a larger Hilbert space so that the entire system obeys unitary dynamics, we reveal that behind the information retrieval lies a hidden entangled partner protected by PT symmetry. Possible experimental situations are also discussed. PMID- 29219516 TI - Ultrafast and Energy-Efficient Quenching of Spin Order: Antiferromagnetism Beats Ferromagnetism. AB - By comparing femtosecond laser pulse induced ferro- and antiferromagnetic dynamics in one and the same material-metallic dysprosium-we show both to behave fundamentally different. Antiferromagnetic order is considerably faster and much more efficiently reduced by optical excitation than its ferromagnetic counterpart. We assign the fast and extremely efficient process in the antiferromagnet to an interatomic transfer of angular momentum within the spin system. Our findings imply that this angular momentum transfer channel is effective in other magnetic metals with nonparallel spin alignment. They also point out a possible route towards energy-efficient spin manipulation for magnetic devices. PMID- 29219514 TI - Second Harmonic Generation of Unpolarized Light. AB - A Mueller tensor mathematical framework was applied for predicting and interpreting the second harmonic generation (SHG) produced with an unpolarized fundamental beam. In deep tissue imaging through SHG and multiphoton fluorescence, partial or complete depolarization of the incident light complicates polarization analysis. The proposed framework has the distinct advantage of seamlessly merging the purely polarized theory based on the Jones or Cartesian susceptibility tensors with a more general Mueller tensor framework capable of handling partial depolarized fundamental and/or SHG produced. The predictions of the model are in excellent agreement with experimental measurements of z-cut quartz and mouse tail tendon obtained with polarized and depolarized incident light. The polarization-dependent SHG produced with unpolarized fundamental allowed determination of collagen fiber orientation in agreement with orthogonal methods based on image analysis. This method has the distinct advantage of being immune to birefringence or depolarization of the fundamental beam for structural analysis of tissues. PMID- 29219513 TI - Sonic Landau Levels and Synthetic Gauge Fields in Mechanical Metamaterials. AB - Mechanical strain can lead to a synthetic gauge field that controls the dynamics of electrons in graphene sheets as well as light in photonic crystals. Here, we show how to engineer an analogous synthetic gauge field for lattice vibrations. Our approach relies on one of two strategies: shearing a honeycomb lattice of masses and springs or patterning its local material stiffness. As a result, vibrational spectra with discrete Landau levels are generated. Upon tuning the strength of the gauge field, we can control the density of states and transverse spatial confinement of sound in the metamaterial. We also show how this gauge field can be used to design waveguides in which sound propagates with robustness against disorder as a consequence of the change in topological polarization that occurs along a domain wall. By introducing dissipation, we can selectively enhance the domain-wall-bound topological sound mode, a feature that may potentially be exploited for the design of sound amplification by stimulated emission of radiation (SASER, the mechanical analogs of lasers). PMID- 29219517 TI - Metal-Exchange Catalysis in the Growth of Sesquioxides: Towards Heterostructures of Transparent Oxide Semiconductors. AB - We observe that the growth rate of Ga_{2}O_{3} in plasma-assisted molecular beam epitaxy can be drastically enhanced by an additional In supply. This enhancement is shown to result from a catalytic effect, namely, the rapid formation of In_{2}O_{3}, immediately followed by a transformation of In_{2}O_{3} to Ga_{2}O_{3} due to an In-Ga interatomic exchange. We derive a simple model that quantitatively describes this process as well as its consequences on the formation rate of Ga_{2}O_{3}. Moreover, we demonstrate that the catalytic action of In_{2}O_{3} allows the synthesis of the metastable hexagonal phase of Ga_{2}O_{3}. Since the Ga_{2}O_{3}(0001)/In_{2}O_{3}(111) interface is closely lattice matched, this novel growth mode opens a new path for the fabrication of sesquioxide heterostructures. PMID- 29219515 TI - Persistence of the Z=28 Shell Gap Around ^{78}Ni: First Spectroscopy of ^{79}Cu. AB - In-beam gamma-ray spectroscopy of ^{79}Cu is performed at the Radioactive Isotope Beam Factory of RIKEN. The nucleus of interest is produced through proton knockout from a ^{80}Zn beam at 270 MeV/nucleon. The level scheme up to 4.6 MeV is established for the first time and the results are compared to Monte Carlo shell-model calculations. We do not observe significant knockout feeding to the excited states below 2.2 MeV, which indicates that the Z=28 gap at N=50 remains large. The results show that the ^{79}Cu nucleus can be described in terms of a valence proton outside a ^{78}Ni core, implying the magic character of the latter. PMID- 29219518 TI - Dispersive Readout of Adiabatic Phases. AB - We propose a protocol for the measurement of adiabatic phases of periodically driven quantum systems coupled to an open cavity that enables dispersive readout. It turns out that the cavity transmission exhibits peaks at frequencies determined by a resonance condition that involves the dynamical and the geometric phase. Since these phases scale differently with the driving frequency, one can determine them by fitting the peak positions to the theoretically expected behavior. For the derivation of the resonance condition and for a numerical study, we develop a Floquet theory for the dispersive readout of ac driven quantum systems. The feasibility is demonstrated for two test cases that generalize Landau-Zener-Stuckelberg-Majorana interference to two-parameter driving. PMID- 29219519 TI - Vibrational Properties of a Monolayer Silicene Sheet Studied by Tip-Enhanced Raman Spectroscopy. AB - Combining ultrahigh sensitivity, spatial resolution, and the capability to resolve chemical information, tip-enhanced Raman spectroscopy (TERS) is a powerful tool to study molecules or nanoscale objects. Here we show that TERS can also be a powerful tool in studying two-dimensional materials. We have achieved a 10^{9} Raman signal enhancement and a 0.5 nm spatial resolution using monolayer silicene on Ag(111) as a prototypical 2D material system. Because of the selective enhancement on Raman modes with vertical vibrational components in TERS, our experiment provides direct evidence of the origination of Raman modes in silicene. Furthermore, the ultrahigh sensitivity of TERS allows us to identify different vibrational properties of silicene phases, which differ only in the bucking direction of the Si-Si bonds. Local vibrational features from defects and domain boundaries in silicene can also be identified. PMID- 29219520 TI - Focusing and Sorting of Ellipsoidal Magnetic Particles in Microchannels. AB - We present a simple method to control the position of ellipsoidal magnetic particles in microchannel Poiseuille flow at low Reynolds number using a static uniform magnetic field. The magnetic field is utilized to pin the particle orientation, and the hydrodynamic interactions between ellipsoids and channel walls allow control of the transverse position of the particles. We employ a far field hydrodynamic theory and simulations using the boundary element method and Brownian dynamics to show how magnetic particles can be focused and segregated by size and shape. This is of importance for particle manipulation in lab-on-a-chip devices. PMID- 29219521 TI - Structural "delta Doping" to Control Local Magnetization in Isovalent Oxide Heterostructures. AB - Modulation and delta-doping strategies, in which atomically thin layers of charged dopants are precisely deposited within a heterostructure, have played enabling roles in the discovery of new physical behavior in electronic materials. Here, we demonstrate a purely structural "delta-doping" strategy in complex oxide heterostructures, in which atomically thin manganite layers are inserted into an isovalent manganite host, thereby modifying the local rotations of corner connected MnO_{6} octahedra. Combining scanning transmission electron microscopy, polarized neutron reflectometry, and density functional theory, we reveal how local magnetic exchange interactions are enhanced within the spatially confined regions of suppressed octahedral rotations. The combined experimental and theoretical results illustrate the potential to utilize noncharge-based approaches to "doping" in order to enhance or suppress functional properties within spatially confined regions of oxide heterostructures. PMID- 29219522 TI - Erratum: All Entangled States Can Demonstrate Nonclassical Teleportation [Phys. Rev. Lett. 119, 110501 (2017)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.119.110501. PMID- 29219523 TI - Optimal and Robust Quantum Metrology Using Interaction-Based Readouts. AB - Useful quantum metrology requires nonclassical states with a high particle number and (close to) the optimal exploitation of the state's quantum correlations. Unfortunately, the single-particle detection resolution demanded by conventional protocols, such as spin squeezing via one-axis twisting, places severe limits on the particle number. Additionally, the challenge of finding optimal measurements (that saturate the quantum Cramer-Rao bound) for an arbitrary nonclassical state limits most metrological protocols to only moderate levels of quantum enhancement. "Interaction-based readout" protocols have been shown to allow optimal interferometry or to provide robustness against detection noise at the expense of optimality. In this Letter, we prove that one has great flexibility in constructing an optimal protocol, thereby allowing it to also be robust to detection noise. This requires the full probability distribution of outcomes in an optimal measurement basis, which is typically easily accessible and can be determined from specific criteria we provide. Additionally, we quantify the robustness of several classes of interaction-based readouts under realistic experimental constraints. We determine that optimal and robust quantum metrology is achievable in current spin-squeezing experiments. PMID- 29219524 TI - Large-Scale Description of Interacting One-Dimensional Bose Gases: Generalized Hydrodynamics Supersedes Conventional Hydrodynamics. AB - The theory of generalized hydrodynamics (GHD) was recently developed as a new tool for the study of inhomogeneous time evolution in many-body interacting systems with infinitely many conserved charges. In this Letter, we show that it supersedes the widely used conventional hydrodynamics (CHD) of one-dimensional Bose gases. We illustrate this by studying "nonlinear sound waves" emanating from initial density accumulations in the Lieb-Liniger model. We show that, at zero temperature and in the absence of shocks, GHD reduces to CHD, thus for the first time justifying its use from purely hydrodynamic principles. We show that sharp profiles, which appear in finite times in CHD, immediately dissolve into a higher hierarchy of reductions of GHD, with no sustained shock. CHD thereon fails to capture the correct hydrodynamics. We establish the correct hydrodynamic equations, which are finite-dimensional reductions of GHD characterized by multiple, disjoint Fermi seas. We further verify that at nonzero temperature, CHD fails at all nonzero times. Finally, we numerically confirm the emergence of hydrodynamics at zero temperature by comparing its predictions with a full quantum simulation performed using the NRG-TSA-abacus algorithm. The analysis is performed in the full interaction range, and is not restricted to either weak- or strong-repulsion regimes. PMID- 29219525 TI - Coulomb Correlations Intertwined with Spin and Orbital Excitations in LaCoO_{3}. AB - We carried out temperature-dependent (20-550 K) measurements of resonant inelastic x-ray scattering on LaCoO_{3} to investigate the evolution of its electronic structure across the spin-state crossover. In combination with charge transfer multiplet calculations, we accurately quantified the renomalized crystal field excitation energies and spin-state populations. We show that the screening of the effective on-site Coulomb interaction of 3d electrons is orbital selective and coupled to the spin-state crossover in LaCoO_{3}. The results establish that the gradual spin-state crossover is associated with a relative change of Coulomb energy versus bandwidth, leading to a Mott-type insulator-to-metal transition. PMID- 29219526 TI - Surprises in O(N) Models: Nonperturbative Fixed Points, Large N Limits, and Multicriticality. AB - We find that the multicritical fixed point structure of the O(N) models is much more complicated than widely believed. In particular, we find new nonperturbative fixed points in three dimensions (d=3) as well as at N=infinity. These fixed points come together with an intricate double-valued structure when they are considered as functions of d and N. Many features found for the O(N) models are shared by the O(N)?O(2) models relevant to frustrated magnetic systems. PMID- 29219527 TI - Cusp-Shaped Elastic Creases and Furrows. AB - The surfaces of growing biological tissues, swelling gels, and compressed rubbers do not remain smooth, but frequently exhibit highly localized inward folds. We reveal the morphology of this surface folding in a novel experimental setup, which permits us to deform the surface of a soft gel in a controlled fashion. The interface first forms a sharp furrow, whose tip size decreases rapidly with deformation. Above a critical deformation, the furrow bifurcates to an inward folded crease of vanishing tip size. We show experimentally and numerically that both creases and furrows exhibit a universal cusp shape, whose width scales like y^{3/2} at a distance y from the tip. We provide a similarity theory that captures the singular profiles before and after the self-folding bifurcation, and derive the length of the fold from finite deformation elasticity. PMID- 29219528 TI - Cross-Kerr Nonlinearity for Phonon Counting. AB - State measurement of a quantum harmonic oscillator is essential in quantum optics and quantum information processing. In a system of trapped ions, we experimentally demonstrate the projective measurement of the state of the ions' motional mode via an effective cross-Kerr coupling to another motional mode. This coupling is induced by the intrinsic nonlinearity of the Coulomb interaction between the ions. We spectroscopically resolve the frequency shift of the motional sideband of the first mode due to the presence of single phonons in the second mode and use it to reconstruct the phonon number distribution of the second mode. PMID- 29219529 TI - Quantum Depletion of a Homogeneous Bose-Einstein Condensate. AB - We measure the quantum depletion of an interacting homogeneous Bose-Einstein condensate and confirm the 70-year-old theory of Bogoliubov. The observed condensate depletion is reversibly tunable by changing the strength of the interparticle interactions. Our atomic homogeneous condensate is produced in an optical-box trap, the interactions are tuned via a magnetic Feshbach resonance, and the condensed fraction is determined by momentum-selective two-photon Bragg scattering. PMID- 29219530 TI - Solvable Family of Driven-Dissipative Many-Body Systems. AB - Exactly solvable models have played an important role in establishing the sophisticated modern understanding of equilibrium many-body physics. Conversely, the relative scarcity of solutions for nonequilibrium models greatly limits our understanding of systems away from thermal equilibrium. We study a family of nonequilibrium models, some of which can be viewed as dissipative analogues of the transverse-field Ising model, in that an effectively classical Hamiltonian is frustrated by dissipative processes that drive the system toward states that do not commute with the Hamiltonian. Surprisingly, a broad and experimentally relevant subset of these models can be solved efficiently. We leverage these solutions to compute the effects of decoherence on a canonical trapped-ion-based quantum computation architecture, and to prove a no-go theorem on steady-state phase transitions in a many-body model that can be realized naturally with Rydberg atoms or trapped ions. PMID- 29219531 TI - Spin-Resolved Spectroscopy of the Yu-Shiba-Rusinov States of Individual Atoms. AB - A magnetic atom in a superconducting host induces so-called Yu-Shiba-Rusinov (YSR) bound states inside the superconducting energy gap. By combining spin resolved scanning tunneling spectroscopy with simulations we demonstrate that the pair of peaks associated with the YSR states of an individual Fe atom coupled to an oxygen-reconstructed Ta surface gets spin polarized in an external magnetic field. As theoretically predicted, the electron and hole parts of the YSR states have opposite signs of spin polarizations which keep their spin character when crossing the Fermi level through the quantum phase transition. The simulation of a YSR state right at the Fermi level reveals zero spin polarization which can be used to distinguish such states from Majorana zero modes in chains of YSR atoms. PMID- 29219532 TI - Does a Growing Static Length Scale Control the Glass Transition? AB - Several theories of the glass transition propose that the structural relaxation time tau_{alpha} is controlled by a growing static length scale xi that is determined by the free energy landscape but not by the local dynamic rules governing its exploration. We argue, based on recent simulations using particle radius-swap dynamics, that only a modest factor in the increase in tau_{alpha} on approach to the glass transition may stem from the growth of a static length, with a vastly larger contribution attributable, instead, to a slowdown of local dynamics. This reinforces arguments that we base on the observed strong coupling of particle diffusion and density fluctuations in real glasses. PMID- 29219533 TI - Photonic Counterparts of Cooper Pairs. AB - The microscopic theory of superconductivity raised the disruptive idea that electrons couple through the elusive exchange of virtual phonons, overcoming the strong Coulomb repulsion to form Cooper pairs. Light is also known to interact with atomic vibrations, as, for example, in the Raman effect. We show that photon pairs exchange virtual vibrations in transparent media, leading to an effective photon-photon interaction identical to that for electrons in the BCS theory of superconductivity, in spite of the fact that photons are bosons. In this scenario, photons may exchange energy without matching a quantum of vibration of the medium. As a result, pair correlations for photons scattered away from the Raman resonances are expected to be enhanced. An experimental demonstration of this effect is provided here by time-correlated Raman measurements in different media. The experimental data confirm our theoretical interpretation of a photonic Cooper pairing, without the need for any fitting parameters. PMID- 29219534 TI - Enstrophy Cascade in Decaying Two-Dimensional Quantum Turbulence. AB - We report evidence for an enstrophy cascade in large-scale point-vortex simulations of decaying two-dimensional quantum turbulence. Devising a method to generate quantum vortex configurations with kinetic energy narrowly localized near a single length scale, the dynamics are found to be well characterized by a superfluid Reynolds number Re_{s} that depends only on the number of vortices and the initial kinetic energy scale. Under free evolution the vortices exhibit features of a classical enstrophy cascade, including a k^{-3} power-law kinetic energy spectrum, and constant enstrophy flux associated with inertial transport to small scales. Clear signatures of the cascade emerge for N?500 vortices. Simulating up to very large Reynolds numbers (N=32 768 vortices), additional features of the classical theory are observed: the Kraichnan-Batchelor constant is found to converge to C^{'}~1.6, and the width of the k^{-3} range scales as Re_{s}^{1/2}. PMID- 29219536 TI - Infrared Quantum Information. AB - We discuss information-theoretic properties of low-energy photons and gravitons in the S matrix. Given an incoming n-particle momentum eigenstate, we demonstrate that unobserved soft photons decohere nearly all outgoing momentum superpositions of charged particles, while the universality of gravity implies that soft gravitons decohere nearly all outgoing momentum superpositions of all the hard particles. Using this decoherence, we compute the entanglement entropy of the soft bosons and show that it is infrared-finite when the leading divergences are resummed in the manner of Bloch and Nordsieck. PMID- 29219537 TI - Lattice Thermal Conductivity of Polyethylene Molecular Crystals from First Principles Including Nuclear Quantum Effects. AB - Molecular crystals such as polyethylene are of intense interest as flexible thermal conductors, yet their intrinsic upper limits of thermal conductivity remain unknown. Here, we report a study of the vibrational properties and lattice thermal conductivity of a polyethylene molecular crystal using an ab initio approach that rigorously incorporates nuclear quantum motion and finite temperature effects. We obtain a thermal conductivity along the chain direction of around 160 W m^{-1} K^{-1} at room temperature, providing a firm upper bound for the thermal conductivity of this molecular crystal. Furthermore, we show that the inclusion of quantum nuclear effects significantly impacts the thermal conductivity by altering the phase space for three-phonon scattering. Our computational approach paves the way for ab initio studies and computational material discovery of molecular solids free of any adjustable parameters. PMID- 29219538 TI - Topological Phase Transitions in Multicomponent Superconductors. AB - We study the phase transition between a trivial and a time-reversal-invariant topological superconductor in a single-band system. By analyzing the interplay of symmetry, topology, and energetics, we show that for a generic normal state band structure, the phase transition occurs via extended intermediate phases in which even- and odd-parity pairing components coexist. For inversion-symmetric systems, the coexistence phase spontaneously breaks time-reversal symmetry. For noncentrosymmetric superconductors, the low-temperature intermediate phase is time-reversal breaking, while the high-temperature phase preserves time-reversal symmetry and has topologically protected line nodes. Furthermore, with approximate rotational invariance, the system has an emergent U(1)*U(1) symmetry, and novel topological defects, such as half vortex lines binding Majorana fermions, can exist. We analytically solve for the dispersion of the Majorana fermion and show that it exhibits small and large velocities at low and high energies. Relevance of our theory to superconducting pyrochlore oxide Cd_{2}Re_{2}O_{7} and half-Heusler materials is discussed. PMID- 29219539 TI - Irreversibility of Asymptotic Entanglement Manipulation Under Quantum Operations Completely Preserving Positivity of Partial Transpose. AB - We demonstrate the irreversibility of asymptotic entanglement manipulation under quantum operations that completely preserve the positivity of partial transpose (PPT), resolving a major open problem in quantum information theory. Our key tool is a new efficiently computable additive lower bound for the asymptotic relative entropy of entanglement with respect to PPT states, which can be used to evaluate the entanglement cost under local operations and classical communication (LOCC). We find that for any rank-two mixed state supporting on the 3?3 antisymmetric subspace, the amount of distillable entanglement by PPT operations is strictly smaller than one entanglement bit (ebit) while its entanglement cost under PPT operations is exactly one ebit. As a by-product, we find that for this class of states, both the Rains's bound and its regularization are strictly less than the asymptotic relative entropy of entanglement. So, in general, there is no unique entanglement measure for the manipulation of entanglement by PPT operations. We further show a computable sufficient condition for the irreversibility of entanglement distillation by LOCC (or PPT) operations. PMID- 29219540 TI - Noncollinear Magnetic Structure and Multipolar Order in Eu_{2}Ir_{2}O_{7}. AB - The magnetic properties of the pyrochlore iridate material Eu_{2}Ir_{2}O_{7} (5d^{5}) have been studied based on first principles calculations, where the crystal field splitting Delta, spin-orbit coupling (SOC) lambda, and Coulomb interaction U within Ir 5d orbitals all play significant roles. The ground state phase diagram has been obtained with respect to the strength of SOC and Coulomb interaction U, where a stable antiferromagnetic ground state with all-in-all-out (AIAO) spin structure has been found. In addition, another antiferromagnetic state with energy close to AIAO has also been found to be stable. The calculated nonlinear magnetization of the two stable states both have the d-wave pattern but with a pi/4 phase difference, which can perfectly explain the experimentally observed nonlinear magnetization pattern. Compared with the results of the nondistorted structure, it turns out that the trigonal lattice distortion is crucial for stabilizing the AIAO state in Eu_{2}Ir_{2}O_{7}. Furthermore, besides large dipolar moments, we also find considerable octupolar moments in the magnetic states. PMID- 29219541 TI - Spatiotemporal Self-Organization of Fluctuating Bacterial Colonies. AB - We model an enclosed system of bacteria, whose motility-induced phase separation is coupled to slow population dynamics. Without noise, the system shows both static phase separation and a limit cycle, in which a rising global population causes a dense bacterial colony to form, which then declines by local cell death, before dispersing to reinitiate the cycle. Adding fluctuations, we find that static colonies are now metastable, moving between spatial locations via rare and strongly nonequilibrium pathways, whereas the limit cycle becomes almost periodic such that after each redispersion event the next colony forms in a random location. These results, which hint at some aspects of the biofilm-planktonic life cycle, can be explained by combining tools from large deviation theory with a bifurcation analysis in which the global population density plays the role of control parameter. PMID- 29219542 TI - Erratum: Theoretical Description of time-Resolved Photoemission Spectroscopy: Application to Pump-Probe Experiments [Phys. Rev. Lett. 102, 136401 (2009)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.102.136401. PMID- 29219543 TI - Harvesting Multiqubit Entanglement from Ultrastrong Interactions in Circuit Quantum Electrodynamics. AB - We analyze a multiqubit circuit QED system in the regime where the qubit-photon coupling dominates over the system's bare energy scales. Under such conditions a manifold of low-energy states with a high degree of entanglement emerges. Here we describe a time-dependent protocol for extracting these quantum correlations and converting them into well-defined multipartite entangled states of noninteracting qubits. Based on a combination of various ultrastrong-coupling effects, the protocol can be operated in a fast and robust manner, while still being consistent with experimental constraints on switching times and typical energy scales encountered in superconducting circuits. Therefore, our scheme can serve as a probe for otherwise inaccessible correlations in strongly coupled circuit QED systems. It also shows how such correlations can potentially be exploited as a resource for entanglement-based applications. PMID- 29219545 TI - Flat Optical Conductivity in ZrSiS due to Two-Dimensional Dirac Bands. AB - ZrSiS exhibits a frequency-independent interband conductivity sigma(omega)=const(omega)=sigma_{flat} in a broad range from 250 to 2500 cm^{-1} (30-300 meV). This makes ZrSiS similar to (quasi-)two-dimensional Dirac electron systems, such as graphite and graphene. We assign the flat optical conductivity to the transitions between quasi-two-dimensional Dirac bands near the Fermi level. In contrast to graphene, sigma_{flat} is not universal but related to the length of the nodal line in the reciprocal space, k_{0}. Because of spin-orbit coupling, the discussed Dirac bands in ZrSiS possess a small gap Delta, for which we determine an upper bound max(Delta)=30 meV from our optical measurements. At low temperatures the momentum-relaxation rate collapses, and the characteristic length scale of momentum relaxation is of the order of microns below 50 K. PMID- 29219546 TI - Improved Limits for Higgs-Portal Dark Matter from LHC Searches. AB - Searches for invisible Higgs decays at the Large Hadron Collider constrain dark matter Higgs-portal models, where dark matter interacts with the standard model fields via the Higgs boson. While these searches complement dark matter direct detection experiments, a comparison of the two limits depends on the coupling of the Higgs boson to the nucleons forming the direct-detection nuclear target, typically parametrized in a single quantity f_{N}. We evaluate f_{N} using recent phenomenological and lattice-QCD calculations, and include for the first time the coupling of the Higgs boson to two nucleons via pion-exchange currents. We observe a partial cancellation for Higgs-portal models that makes the two-nucleon contribution anomalously small. Our results, summarized as f_{N}=0.308(18), show that the uncertainty of the Higgs-nucleon coupling has been vastly overestimated in the past. The improved limits highlight that state-of-the-art nuclear physics input is key to fully exploiting experimental searches. PMID- 29219547 TI - Dark Matter Detection Using Helium Evaporation and Field Ionization. AB - We describe a method for dark matter detection based on the evaporation of helium atoms from a cold surface and their subsequent detection using field ionization. When a dark matter particle scatters off a nucleus of the target material, elementary excitations (phonons or rotons) are produced. Excitations which have an energy greater than the binding energy of helium to the surface can result in the evaporation of helium atoms. We propose to detect these atoms by ionizing them in a strong electric field. Because the binding energy of helium to surfaces can be below 1 meV, this detection scheme opens up new possibilities for the detection of dark matter particles in a mass range down to 1 MeV/c^{2}. PMID- 29219548 TI - Janicevic et al. Reply. PMID- 29219544 TI - Energy Spectrum of Cosmic-Ray Electron and Positron from 10 GeV to 3 TeV Observed with the Calorimetric Electron Telescope on the International Space Station. AB - First results of a cosmic-ray electron and positron spectrum from 10 GeV to 3 TeV is presented based upon observations with the CALET instrument on the International Space Station starting in October, 2015. Nearly a half million electron and positron events are included in the analysis. CALET is an all calorimetric instrument with total vertical thickness of 30 X_{0} and a fine imaging capability designed to achieve a large proton rejection and excellent energy resolution well into the TeV energy region. The observed energy spectrum over 30 GeV can be fit with a single power law with a spectral index of -3.152+/ 0.016 (stat+syst). Possible structure observed above 100 GeV requires further investigation with increased statistics and refined data analysis. PMID- 29219550 TI - 10-Qubit Entanglement and Parallel Logic Operations with a Superconducting Circuit. AB - Here we report on the production and tomography of genuinely entangled Greenberger-Horne-Zeilinger states with up to ten qubits connecting to a bus resonator in a superconducting circuit, where the resonator-mediated qubit-qubit interactions are used to controllably entangle multiple qubits and to operate on different pairs of qubits in parallel. The resulting 10-qubit density matrix is probed by quantum state tomography, with a fidelity of 0.668+/-0.025. Our results demonstrate the largest entanglement created so far in solid-state architectures and pave the way to large-scale quantum computation. PMID- 29219551 TI - Response of the Lattice across the Filling-Controlled Mott Metal-Insulator Transition of a Rare Earth Titanate. AB - The lattice response of a prototype Mott insulator, SmTiO_{3}, to hole doping is investigated with atomic-scale spatial resolution. SmTiO_{3} films are doped with Sr on the Sm site with concentrations that span the insulating and metallic sides of the filling-controlled Mott metal-insulator transition (MIT). The GdFeO_{3} type distortions are investigated using an atomic resolution scanning transmission electron microscopy technique that can resolve small lattice distortions with picometer precision. We show that these distortions are gradually and uniformly reduced as the Sr concentration is increased without any phase separation. Significant distortions persist into the metallic state. The results present a new picture of the physics of this prototype filling-controlled MIT, which is discussed. PMID- 29219552 TI - Exploiting Coherence in Nonlinear Spin-Superfluid Transport. AB - We show how the interference between superfluid spin currents can endow spin circuits with coherent logic functionality. While the hydrodynamic aspects of the linear-response collective spin transport obviate interference features, we focus on the nonlinear regime, where the critical supercurrent is sensitive to the phase accumulated by the condensate in a loop geometry. We propose to control this phase by electrical gating that tunes the spin-condensate coherence length. The nonlinear aspects of the spin superfluidity thus naturally lend themselves to the construction of logic gates, uniquely exploiting the coherence of collective spin currents. Vice versa, this functionality can be used to reveal the fundamental properties of spin superfluids. PMID- 29219553 TI - Quantum Phase Transitions of the Majorana Toric Code in the Presence of Finite Cooper-Pair Tunneling. AB - The toric code based on Majorana fermions on mesoscopic superconducting islands is a promising candidate for quantum information processing. In the limit of vanishing Cooper-pair tunneling, it has been argued that the phase transition separating the topologically ordered phase of the toric code from the trivial one is in the universality class of the (2+1)D XY model. On the other hand, in the limit of infinitely large Cooper-pair tunneling, the phase transition is in the universality class of the (2+1)D Ising model. In this work, we treat the case of finite Cooper-pair tunneling and address the question of how the continuous XY symmetry breaking phase transition turns into a discrete Z_{2} symmetry breaking one when the Cooper-pair tunneling rate is increased. We show that this happens through a couple of tricritical points and first order phase transitions. Using a Jordan-Wigner transformation, we map the problem to that of spins coupled to quantum rotors and subsequently, propose a Landau field theory for this model that matches the known results in the respective limits. We calculate the effective field theories and provide the relevant critical exponents for the different phase transitions. Our results are relevant for predicting the stability of the topological phase in realistic experimental implementations. PMID- 29219554 TI - Supercurrent Interference in Few-Mode Nanowire Josephson Junctions. AB - Junctions created by coupling two superconductors via a semiconductor nanowire in the presence of high magnetic fields are the basis for the potential detection, fusion, and braiding of Majorana bound states. We study NbTiN/InSb nanowire/NbTiN Josephson junctions and find that the dependence of the critical current on the magnetic field exhibits gate-tunable nodes. This is in contrast with a well-known Fraunhofer effect, under which critical current nodes form a regular pattern with a period fixed by the junction area. Based on a realistic numerical model we conclude that the Zeeman effect induced by the magnetic field and the spin-orbit interaction in the nanowire are insufficient to explain the observed evolution of the Josephson effect. We find the interference between the few occupied one dimensional modes in the nanowire to be the dominant mechanism responsible for the critical current behavior. We also report a strong suppression of critical currents at finite magnetic fields that should be taken into account when designing circuits based on Majorana bound states. PMID- 29219555 TI - Experimental Observation of a Current-Driven Instability in a Neutral Electron Positron Beam. AB - We report on the first experimental observation of a current-driven instability developing in a quasineutral matter-antimatter beam. Strong magnetic fields (>=1 T) are measured, via means of a proton radiography technique, after the propagation of a neutral electron-positron beam through a background electron-ion plasma. The experimentally determined equipartition parameter of epsilon_{B}~10^{ 3} is typical of values inferred from models of astrophysical gamma-ray bursts, in which the relativistic flows are also expected to be pair dominated. The data, supported by particle-in-cell simulations and simple analytical estimates, indicate that these magnetic fields persist in the background plasma for thousands of inverse plasma frequencies. The existence of such long-lived magnetic fields can be related to analog astrophysical systems, such as those prevalent in lepton-dominated jets. PMID- 29219556 TI - Probing Intrinsic Properties of Short Gamma-Ray Bursts with Gravitational Waves. AB - Progenitors of short gamma-ray bursts are thought to be neutron stars coalescing with their companion black hole or neutron star, which are one of the main gravitational wave sources. We have devised a Bayesian framework for combining gamma-ray burst and gravitational wave information that allows us to probe short gamma-ray burst luminosities. We show that combined short gamma-ray burst and gravitational wave observations not only improve progenitor distance and inclination angle estimates, they also allow the isotropic luminosities of short gamma-ray bursts to be determined without the need for host galaxy or light-curve information. We characterize our approach by simulating 1000 joint short gamma ray burst and gravitational wave detections by Advanced LIGO and Advanced Virgo. We show that ~90% of the simulations have uncertainties on short gamma-ray burst isotropic luminosity estimates that are within a factor of two of the ideal scenario, where the distance is known exactly. Therefore, isotropic luminosities can be confidently determined for short gamma-ray bursts observed jointly with gravitational waves detected by Advanced LIGO and Advanced Virgo. Planned enhancements to Advanced LIGO will extend its range and likely produce several joint detections of short gamma-ray bursts and gravitational waves. Third generation gravitational wave detectors will allow for isotropic luminosity estimates for the majority of the short gamma-ray burst population within a redshift of z~1. PMID- 29219558 TI - Analog Quantum Error Correction with Encoding a Qubit into an Oscillator. AB - To implement fault-tolerant quantum computation with continuous variables, Gottesman-Kitaev-Preskill (GKP) qubits have been recognized as an important technological element. However, the analog outcome of GKP qubits, which includes beneficial information to improve the error tolerance, has been wasted, because the GKP qubits have been treated as only discrete variables. In this Letter, we propose a hybrid quantum error correction approach that combines digital information with the analog information of the GKP qubits using a maximum likelihood method. As an example, we demonstrate that the three-qubit bit-flip code can correct double errors, whereas the conventional method based on majority voting on the binary measurement outcome can correct only a single error. As another example, we show that a concatenated code known as Knill's C_{4}/C_{6} code can achieve the hashing bound for the quantum capacity of the Gaussian quantum channel (GQC). To the best of our knowledge, this approach is the first attempt to draw both digital and analog information to improve quantum error correction performance and achieve the hashing bound for the quantum capacity of the GQC. PMID- 29219557 TI - Intertwined Order and Holography: The Case of Parity Breaking Pair Density Waves. AB - We present a minimal bottom-up extension of the Chern-Simons bulk action for holographic translational symmetry breaking that naturally gives rise to pair density waves. We construct stationary inhomogeneous black hole solutions in which both the U(1) symmetry and spatially translational symmetry are spontaneously broken at a finite temperature and charge density. This novel solution provides a dual description of a superconducting phase intertwined with charge, current, and parity orders. PMID- 29219559 TI - Emergent Non-Eulerian Hydrodynamics of Quantum Vortices in Two Dimensions. AB - We develop a coarse-grained description of the point-vortex model, finding that a large number of planar vortices and antivortices behave as an inviscid non Eulerian fluid at large scales. The emergent binary vortex fluid is subject to anomalous stresses absent from Euler's equation, caused by the singular nature of quantum vortices. The binary vortex fluid is compressible, and has an asymmetric Cauchy stress tensor allowing orbital angular momentum exchange with the vorticity and vortex density. An analytic solution for vortex shear flow driven by anomalous stresses is in excellent agreement with numerical simulations of the point-vortex model. PMID- 29219560 TI - Observation of Electron Bernstein Wave Heating in a Reversed Field Pinch. AB - The first observation of rf heating in a reversed field pinch (RFP) using the electron Bernstein wave (EBW) is demonstrated on the Madison Symmetric Torus. Propagation across and heating in a stochastic magnetic field is observed. Novel techniques are required to measure the suprathermal electron tail generated by EBW heating in the presence of intense Ohmic heating. rf-heated electrons directly probe the edge transport properties in the RFP; measured loss rates imply a large noncollisional radial diffusivity. PMID- 29219561 TI - Long-Range Order in the Dipolar XY Antiferromagnet Er_{2}Sn_{2}O_{7}. AB - Er_{2}Sn_{2}O_{7} remains a puzzling case among the extensively studied frustrated compounds of the rare-earth pyrochlore family. Indeed, while a first order transition towards a long-range antiferromagnetic state with the so-called Palmer-Chalker structure is theoretically predicted, it has not yet been observed, leaving the issue as to whether it is a spin-liquid candidate open. We report on neutron scattering and magnetization measurements which evidence a second-order transition towards this Palmer-Chalker ordered state around 108 mK. Extreme care was taken to ensure a proper thermalization of the sample, which has proved to be crucial to successfully observe the magnetic Bragg peaks. At the transition, a gap opens in the excitations, superimposed on a strong quasielastic signal. The exchange parameters, refined from a spin-wave analysis in applied magnetic field, confirm that Er_{2}Sn_{2}O_{7} is a realization of the dipolar XY pyrochlore antiferromagnet. The proximity of competing phases and the strong XY anisotropy of the Er^{3+} magnetic moment might be at the origin of enhanced fluctuations, leading to the unexpected nature of the transition, the low ordering temperature, and the observed multiscale dynamics. PMID- 29219562 TI - Force and Mass Dynamics in Non-Newtonian Suspensions. AB - Above a certain solid fraction, dense granular suspensions in water exhibit non Newtonian behavior, including impact-activated solidification. Although it has been suggested that solidification depends on boundary interactions, quantitative experiments on the boundary forces have not been reported. Using high-speed video, tracer particles, and photoelastic boundaries, we determine the impactor kinematics and the magnitude and timings of impactor-driven events in the body and at the boundaries of cornstarch suspensions. We observe mass shocks in the suspension during impact. The shock front dynamics are strongly correlated to those of the intruder. However, the total momentum associated with this shock never approaches the initial impactor momentum. We also observe a faster second front associated with the propagation of pressure to the boundaries of the suspension. The two fronts depend differently on the initial impactor speed v_{0} and the suspension packing fraction. The speed of the pressure wave is at least an order of magnitude smaller than (linear) ultrasound speeds obtained for much higher frequencies, pointing to complex amplitude and frequency response of cornstarch suspensions to compressive strains. PMID- 29219563 TI - Experimental Demonstration of Fault-Tolerant State Preparation with Superconducting Qubits. AB - Robust quantum computation requires encoding delicate quantum information into degrees of freedom that are hard for the environment to change. Quantum encodings have been demonstrated in many physical systems by observing and correcting storage errors, but applications require not just storing information; we must accurately compute even with faulty operations. The theory of fault-tolerant quantum computing illuminates a way forward by providing a foundation and collection of techniques for limiting the spread of errors. Here we implement one of the smallest quantum codes in a five-qubit superconducting transmon device and demonstrate fault-tolerant state preparation. We characterize the resulting code words through quantum process tomography and study the free evolution of the logical observables. Our results are consistent with fault-tolerant state preparation in a protected qubit subspace. PMID- 29219564 TI - Drift-Induced Enhancement of Cubic Dresselhaus Spin-Orbit Interaction in a Two Dimensional Electron Gas. AB - We investigated the effect of an in-plane electric field on drifting spins in a GaAs quantum well. Kerr rotation images of the drifting spins revealed that the spin precession wavelength increases with increasing drift velocity regardless of the transport direction. A model developed for drifting spins with a heated electron distribution suggests that the in-plane electric field enhances the effective magnetic field component originating from the cubic Dresselhaus spin orbit interaction. PMID- 29219565 TI - Streak Camera for Strong-Field Ionization. AB - Ionization of an atom or molecule by a strong laser field produces suboptical cycle wave packets whose control has given rise to attosecond science. The final states of the wave packets depend on ionization and deflection by the laser field, which are convoluted in conventional experiments. Here, we demonstrate a technique enabling efficient electron deflection, separate from the field driving strong-field ionization. Using a midinfrared deflection field permits one to distinguish electron wave packets generated at different field maxima of an intense few-cycle visible laser pulse. We utilize this capability to trace the scattering of low-energy electrons driven by the midinfrared field. Our approach represents a general technique for studying and controlling strong-field ionization dynamics on the attosecond time scale. PMID- 29219566 TI - Dynamical Engineering of Interactions in Qudit Ensembles. AB - We propose and analyze a method to engineer effective interactions in an ensemble of d-level systems (qudits) driven by global control fields. In particular, we present (i) a necessary and sufficient condition under which a given interaction can be decoupled, (ii) the existence of a universal sequence that decouples any (cancelable) interaction, and (iii) an efficient algorithm to engineer a target Hamiltonian from an initial Hamiltonian (if possible). We illustrate the potential of this method with two examples. Specifically, we present a 6-pulse sequence that decouples effective spin-1 dipolar interactions and demonstrate that a spin-1 Ising chain can be engineered to study transitions among three distinct symmetry protected topological phases. Our work enables new approaches for the realization of both many-body quantum memories and programmable analog quantum simulators using existing experimental platforms. PMID- 29219567 TI - CP Asymmetries in Charm Decays into Neutral Kaons. AB - We find a new CP-violation effect in charm decays into neutral kaons, which results from the interference between two tree (Cabibbo-favored and doubly Cabibbo-suppressed) amplitudes with the mixing of final-state mesons. This effect, estimated to be of an order of 10^{-3}, is much larger than the direct CP asymmetries in these decays, but missed in the literature. It can be revealed by measuring the difference of the time-dependent CP asymmetries in the D^{+} >pi^{+}K_{S}^{0} and D_{s}^{+}->K^{+}K_{S}^{0} modes, which are accessible at the LHCb and Belle II experiments. If confirmed, the new effect has to be taken into account, as the above direct CP asymmetries are used to search for new physics. PMID- 29219568 TI - Symmetry-Protected Topological States for Interacting Fermions in Alkaline-Earth Like Atoms. AB - We discuss the quantum simulation of symmetry-protected topological (SPT) states for interacting fermions in quasi-one-dimensional gases of alkaline-earth-like atoms such as ^{173}Yb. Taking advantage of the separation of orbital and nuclear spin degrees of freedom in these atoms, we consider Raman-assisted spin-orbit couplings in the clock states, which, together with the spin-exchange interactions in the clock-state manifolds, give rise to SPT states for interacting fermions. We numerically investigate the phase diagram of the system, and study the phase transitions between the SPT phase and the symmetry-breaking phases. The interaction-driven topological phase transition can be probed by measuring local density distribution of the topological edge modes. PMID- 29219569 TI - Giant Kovacs-Like Memory Effect for Active Particles. AB - Dynamical properties of self-propelled particles obeying a bounded confidence rule are investigated by means of kinetic theory and agent-based simulations. While memory effects are observed in disordered systems, we show that they also occur in active matter systems. In particular, we find that the system exhibits a giant Kovacs-like memory effect that is much larger than predicted by a generic linear theory. Based on a separation of time scales we develop a nonlinear theory to explain this effect. We apply this theory to driven granular gases and propose further applications to spin glasses. PMID- 29219570 TI - Enhancing High Harmonic Output in Solids through Quantum Confinement. AB - We investigate theoretically the effect of quantum confinement on high harmonic generation (HHG) in semiconductors by systematically varying the width of a model quantum nanowire. Our analysis reveals a reduction in ionization and a concurrent growth in HHG efficiency with increasing confinement. The drop in ionization results from an increase in the band gap due to stronger confinement. The increase in harmonic efficiency comes as a result of the confinement restricting the spreading of the transverse wave packet. As a result, intense laser driven 1D and 2D nanosystems present a potential pathway to increasing yield and photon energy of HHG in solids. PMID- 29219571 TI - Disorder-Induced Topological State Transition in Photonic Metamaterials. AB - The topological state transition has been widely studied based on the quantized topological band invariant such as the Chern number for the system without intense randomness that may break the band structures. We numerically demonstrate the disorder-induced state transition in the photonic topological systems for the first time. Instead of applying the ill-defined topological band invariant in a disordered system, we utilize an empirical parameter to unambiguously illustrate the state transition of the topological metamaterials. Before the state transition, we observe a robust surface state with well-confined electromagnetic waves propagating unidirectionally, immune to the disorder from permittivity fluctuation up to 60% of the original value. During the transition, a hybrid state composed of a quasiunidirectional surface mode and intensively localized hot spots is established, a result of the competition between the topological protection and Anderson localization. PMID- 29219573 TI - Qubit-Assisted Transduction for a Detection of Surface Acoustic Waves near the Quantum Limit. AB - We demonstrate ultrasensitive measurement of fluctuations in a surface-acoustic wave (SAW) resonator using a hybrid quantum system consisting of the SAW resonator, a microwave (MW) resonator, and a superconducting qubit. The nonlinearity of the driven qubit induces parametric coupling, which up-converts the excitation in the SAW resonator to that in the MW resonator. Thermal fluctuations of the SAW resonator near the quantum limit are observed in the noise spectroscopy in the MW domain. PMID- 29219572 TI - Limits on Axion Couplings from the First 80 Days of Data of the PandaX-II Experiment. AB - We report new searches for solar axions and galactic axionlike dark matter particles, using the first low-background data from the PandaX-II experiment at China Jinping Underground Laboratory, corresponding to a total exposure of about 2.7*10^{4} kg day. No solar axion or galactic axionlike dark matter particle candidate has been identified. The upper limit on the axion-electron coupling (g_{Ae}) from the solar flux is found to be about 4.35*10^{-12} in the mass range from 10^{-5} to 1 keV/c^{2} with 90% confidence level, similar to the recent LUX result. We also report a new best limit from the ^{57}Fe deexcitation. On the other hand, the upper limit from the galactic axions is on the order of 10^{-13} in the mass range from 1 to 10 keV/c^{2} with 90% confidence level, slightly improved compared with the LUX. PMID- 29219574 TI - Hidden Order and Symmetry Protected Topological States in Quantum Link Ladders. AB - We show that, whereas spin-1/2 one-dimensional U(1) quantum-link models (QLMs) are topologically trivial, when implemented in ladderlike lattices these models may present an intriguing ground-state phase diagram, which includes a symmetry protected topological (SPT) phase that may be readily revealed by analyzing long range string spin correlations along the ladder legs. We propose a simple scheme for the realization of spin-1/2 U(1) QLMs based on single-component fermions loaded in an optical lattice with s and p bands, showing that the SPT phase may be experimentally realized by adiabatic preparation. PMID- 29219575 TI - Comment on "Interevent Correlations from Avalanches Hiding Below the Detection Threshold". PMID- 29219576 TI - Publisher's Note: Investigating Anisotropic Quantum Hall States with Bimetric Geometry [Phys. Rev. Lett. 119, 146602 (2017)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.119.146602. PMID- 29219577 TI - Publisher's Note: Observation of Optomechanical Strain in a Cold Atomic Cloud [Phys. Rev. Lett. 119, 163201 (2017)]. AB - This corrects the article DOI: 10.1103/PhysRevLett.119.163201. PMID- 29219578 TI - Emergent versus Individual-Based Multicellular Chemotaxis. AB - Multicellular chemotaxis can occur via individually chemotaxing cells that are mechanically coupled. Alternatively, it can emerge collectively, from cells chemotaxing differently in a group than they would individually. Here we consider collective movement that emerges from cells on the exterior of the collective responding to chemotactic signals, whereas bulk cells remain uninvolved in sensing and directing the collective. We find that the precision of this type of emergent chemotaxis is higher than that of individual-based chemotaxis for one dimensional cell chains and two-dimensional cell sheets, but not three dimensional cell clusters. We describe the physical origins of these results, discuss their biological implications, and show how they can be tested using common experimental measures such as the chemotactic index. PMID- 29219579 TI - Entanglement and Wigner Function Negativity of Multimode Non-Gaussian States. AB - Non-Gaussian operations are essential to exploit the quantum advantages in optical continuous variable quantum information protocols. We focus on mode selective photon addition and subtraction as experimentally promising processes to create multimode non-Gaussian states. Our approach is based on correlation functions, as is common in quantum statistical mechanics and condensed matter physics, mixed with quantum optics tools. We formulate an analytical expression of the Wigner function after the subtraction or addition of a single photon, for arbitrarily many modes. It is used to demonstrate entanglement properties specific to non-Gaussian states and also leads to a practical and elegant condition for Wigner function negativity. Finally, we analyze the potential of photon addition and subtraction for an experimentally generated multimode Gaussian state. PMID- 29219580 TI - RNA Base Pairing Determines the Conformations of RNA Inside Spherical Viruses. AB - Many simple RNA viruses enclose their genetic material by a protein shell called the capsid. While the capsid structures are well characterized for most viruses, the structure of RNA inside the shells and the factors contributing to it remain poorly understood. We study the impact of base pairing on the conformations of RNA and find that it undergoes a swollen coil to globule continuous transition as a function of the strength of the pairing interaction. We also observe a first order transition and kink profile as a function of RNA length. All these transitions could explain the different RNA profiles observed inside viral shells. PMID- 29219581 TI - Quantized Magnetization Density in Periodically Driven Systems. AB - We study micromotion in two-dimensional periodically driven systems in which all bulk Floquet eigenstates are localized by disorder. We show that this micromotion gives rise to a quantized time-averaged orbital magnetization density in any region completely filled with fermions. The quantization of magnetization density has a topological origin, and reveals the physical nature of the new phase identified in P. Titum, E. Berg, M. S. Rudner, G. Refael, and N. H. Lindner [Phys. Rev. X 6, 021013 (2016)PRXHAE2160-330810.1103/PhysRevX.6.021013]. We thus establish that the topological index of this phase can be accessed directly in bulk measurements, and propose an experimental protocol to do so using interferometry in cold-atom-based realizations. PMID- 29219582 TI - Fast Nondestructive Parallel Readout of Neutral Atom Registers in Optical Potentials. AB - We demonstrate the parallel and nondestructive readout of the hyperfine state for optically trapped ^{87}Rb atoms. The scheme is based on state-selective fluorescence imaging and achieves detection fidelities >98% within 10 ms, while keeping 99% of the atoms trapped. For the readout of dense arrays of neutral atoms in optical lattices, where the fluorescence images of neighboring atoms overlap, we apply a novel image analysis technique using Bayesian inference to determine the internal state of multiple atoms. Our method is scalable to large neutral atom registers relevant for future quantum information processing tasks requiring fast and nondestructive readout and can also be used for the simultaneous readout of quantum information stored in internal qubit states and in the atoms' positions. PMID- 29219583 TI - Comment on "Theoretical Confirmation of the Low Experimental 3C/3D f-Value Ratio in Fe xvii". AB - A Comment on the Letter by Mendoza and Bautista [Phys. Rev. Lett. 118, 163002 (2017)PRLTAO0031-900710.1103/PhysRevLett.118.163002]. PMID- 29219584 TI - Spin-Polarized Current in Noncollinear Antiferromagnets. AB - Noncollinear antiferromagnets, such as Mn_{3}Sn and Mn_{3}Ir, were recently shown to be analogous to ferromagnets in that they have a large anomalous Hall effect. Here we show that these materials are similar to ferromagnets in another aspect: the charge current in these materials is spin polarized. In addition, we show that the same mechanism that leads to the spin-polarized current also leads to a transverse spin current, which has a distinct symmetry and origin from the conventional spin Hall effect. We illustrate the existence of the spin-polarized current and the transverse spin current by performing ab initio microscopic calculations and by analyzing the symmetry. We discuss possible applications of these novel spin currents, such as an antiferromagnetic metallic or tunneling junction. PMID- 29219585 TI - Test of the Brink-Axel Hypothesis for the Pygmy Dipole Resonance. AB - The gamma strength function and level density of 1^{-} states in ^{96}Mo have been extracted from a high-resolution study of the (p[over ->], p[over ->]^{'}) reaction at 295 MeV and extreme forward angles. By comparison with compound nucleus gamma decay experiments, this allows a test of the generalized Brink-Axel hypothesis in the energy region of the pygmy dipole resonance. The Brink-Axel hypothesis is commonly assumed in astrophysical reaction network calculations and states that the gamma strength function in nuclei is independent of the structure of the initial and final state. The present results validate the Brink-Axel hypothesis for ^{96}Mo and provide independent confirmation of the methods used to separate gamma strength function and level density in gamma decay experiments. PMID- 29219586 TI - Intersubband Landau Level Couplings Induced by In-Plane Magnetic Fields in Trilayer Graphene. AB - We observed broken-symmetry quantum Hall effects and level crossings between spin and valley- resolved Landau levels (LLs) in Bernal stacked trilayer graphene. When the magnetic field was tilted with respect to the sample normal from 0 degrees to 66 degrees , the LL crossings formed at intersections of zeroth and second LLs from monolayer-graphene-like and bilayer-graphene-like subbands, respectively, exhibited a sequence of transitions. The results indicate the LLs from different subbands are coupled by in-plane magnetic fields (B_{?}), which was explained by developing the tight-binding model Hamiltonian of trilayer graphene under B_{?}. PMID- 29219549 TI - Search for Baryon-Number Violating Xi_{b}^{0} Oscillations. AB - A search for baryon-number violating Xi_{b}^{0} oscillations is performed with a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3 fb^{-1}. The baryon number at the moment of production is identified by requiring that the Xi_{b}^{0} come from the decay of a resonance Xi_{b}^{*-}->Xi_{b}^{0}pi^{-} or Xi_{b}^{'-}->Xi_{b}^{0}pi^{-}, and the baryon number at the moment of decay is identified from the final state using the decays Xi_{b}^{0}->Xi_{c}^{+}pi^{-},Xi_{c}^{+}->pK^{-}pi^{+}. No evidence of baryon-number violation is found, and an upper limit at the 95% confidence level is set on the oscillation rate of omega<0.08 ps^{-1}, where omega is the associated angular frequency. PMID- 29219587 TI - Critical Spin Superflow in a Spinor Bose-Einstein Condensate. AB - We investigate the critical dynamics of spin superflow in an easy-plane antiferromagnetic spinor Bose-Einstein condensate. Spin-dipole oscillations are induced in a trapped condensate by applying a linear magnetic field gradient and we observe that the damping rate increases rapidly as the field gradient increases above a certain critical value. The onset of dissipation is found to be associated with the generation of dark-bright solitons due to the modulation instability of the counterflow of two spin components. Spin turbulence emerges as the solitons decay because of their snake instability. We identify another critical point for spin superflow, in which transverse magnon excitations are dynamically generated via spin-exchanging collisions, which leads to the transient formation of axial polar spin domains. PMID- 29219588 TI - Effect of Weak Binding on the Apparent Spin-Orbit Splitting in Nuclei. AB - The apparent splitting between orbitals that are spin-orbit partners can be substantially influenced by the effects of weak binding. In particular, such effects can account for the observed decrease in separation of the neutron 1p_{3/2} and 1p_{1/2} orbitals between the ^{41}Ca and ^{35}Si isotopes. This behavior has been the subject of recent experimental and theoretical works and cited as evidence for a proton "bubble" in ^{34}Si causing an explicit weakening of the spin-orbit interaction. The results reported here suggest that the change in the separation between the 1p_{3/2} and 1p_{1/2} partners occurs dominantly because of the behavior of the energies of these 1p neutron states near zero binding. PMID- 29219590 TI - High-Dimensional Single-Photon Quantum Gates: Concepts and Experiments. AB - Transformations on quantum states form a basic building block of every quantum information system. From photonic polarization to two-level atoms, complete sets of quantum gates for a variety of qubit systems are well known. For multilevel quantum systems beyond qubits, the situation is more challenging. The orbital angular momentum modes of photons comprise one such high-dimensional system for which generation and measurement techniques are well studied. However, arbitrary transformations for such quantum states are not known. Here we experimentally demonstrate a four-dimensional generalization of the Pauli X gate and all of its integer powers on single photons carrying orbital angular momentum. Together with the well-known Z gate, this forms the first complete set of high-dimensional quantum gates implemented experimentally. The concept of the X gate is based on independent access to quantum states with different parities and can thus be generalized to other photonic degrees of freedom and potentially also to other quantum systems. PMID- 29219591 TI - Measurement of the Vector and Tensor Asymmetries at Large Missing Momentum in Quasielastic (e[over ->],e^{'}p) Electron Scattering from Deuterium. AB - We report the measurement of the beam-vector and tensor asymmetries A_{ed}^{V} and A_{d}^{T} in quasielastic (e[over ->],e^{'}p) electrodisintegration of the deuteron at the MIT-Bates Linear Accelerator Center up to missing momentum of 500 MeV/c. Data were collected simultaneously over a momentum transfer range 0.1h->gammagamma On-Shell Rate and the Higgs Boson Total Width. AB - We consider interference between the Higgs signal and QCD background in gg->h >gammagamma and its effect on the on-shell Higgs rate. The existence of sizable strong phases leads to destructive interference of about 2% of the on-shell cross section in the standard model. This effect can be enhanced by beyond the standard model physics. In particular, since it scales differently from the usual rates, the presence of interference allows indirect limits to be placed on the Higgs width in a novel way, using on-shell rate measurements. Our study motivates further QCD calculations to reduce uncertainties. We discuss possible width sensitive observables, both using total and differential rates and find that the HL-LHC can potentially indirectly constrain widths of order tens of MeV. PMID- 29219592 TI - Dark Matter Results from 54-Ton-Day Exposure of PandaX-II Experiment. AB - We report a new search for weakly interacting massive particles (WIMPs) using the combined low background data sets acquired in 2016 and 2017 from the PandaX-II experiment in China. The latest data set contains a new exposure of 77.1 live days, with the background reduced to a level of 0.8*10^{-3} evt/kg/day, improved by a factor of 2.5 in comparison to the previous run in 2016. No excess events are found above the expected background. With a total exposure of 5.4*10^{4} kg day, the most stringent upper limit on the spin-independent WIMP-nucleon cross section is set for a WIMP with mass larger than 100 GeV/c^{2}, with the lowest 90% C.L. exclusion at 8.6*10^{-47} cm^{2} at 40 GeV/c^{2}. PMID- 29219597 TI - Origin of Ultrastability in Vapor-Deposited Glasses. AB - Glass films created by vapor-depositing molecules onto a substrate can exhibit properties similar to those of ordinary glasses aged for thousands of years. It is believed that enhanced surface mobility is the mechanism that allows vapor deposition to create such exceptional glasses, but it is unclear how this effect is related to the final state of the film. Here we use molecular dynamics simulations to model vapor deposition and an efficient Monte Carlo algorithm to determine the deposition rate needed to create ultrastable glassy films. We obtain a scaling relation that quantitatively captures the efficiency gain of vapor deposition over bulk annealing, and demonstrates that surface relaxation plays the same role in the formation of vapor-deposited glasses as bulk relaxation does in ordinary glass formation. PMID- 29219593 TI - First Dark Matter Search Results from the XENON1T Experiment. AB - We report the first dark matter search results from XENON1T, a ~2000-kg-target mass dual-phase (liquid-gas) xenon time projection chamber in operation at the Laboratori Nazionali del Gran Sasso in Italy and the first ton-scale detector of this kind. The blinded search used 34.2 live days of data acquired between November 2016 and January 2017. Inside the (1042+/-12)-kg fiducial mass and in the [5,40] keV_{nr} energy range of interest for weakly interacting massive particle (WIMP) dark matter searches, the electronic recoil background was (1.93+/-0.25)*10^{-4} events/(kg*day*keV_{ee}), the lowest ever achieved in such a dark matter detector. A profile likelihood analysis shows that the data are consistent with the background-only hypothesis. We derive the most stringent exclusion limits on the spin-independent WIMP-nucleon interaction cross section for WIMP masses above 10 GeV/c^{2}, with a minimum of 7.7*10^{-47} cm^{2} for 35-GeV/c^{2} WIMPs at 90% C.L. PMID- 29219599 TI - Error Mitigation for Short-Depth Quantum Circuits. AB - Two schemes are presented that mitigate the effect of errors and decoherence in short-depth quantum circuits. The size of the circuits for which these techniques can be applied is limited by the rate at which the errors in the computation are introduced. Near-term applications of early quantum devices, such as quantum simulations, rely on accurate estimates of expectation values to become relevant. Decoherence and gate errors lead to wrong estimates of the expectation values of observables used to evaluate the noisy circuit. The two schemes we discuss are deliberately simple and do not require additional qubit resources, so to be as practically relevant in current experiments as possible. The first method, extrapolation to the zero noise limit, subsequently cancels powers of the noise perturbations by an application of Richardson's deferred approach to the limit. The second method cancels errors by resampling randomized circuits according to a quasiprobability distribution. PMID- 29219598 TI - Nucleation of Multiple Buckled Structures in Intertwined DNA Double Helices. AB - We study the statistical-mechanical properties of intertwined double-helical DNAs (DNA braids). In magnetic tweezers experiments, we find that torsionally stressed stretched braids supercoil via an abrupt buckling transition, which is associated with the nucleation of a braid end loop, and that the buckled braid is characterized by a proliferation of multiple domains. Differences between the mechanics of DNA braids and supercoiled single DNAs can be understood as an effect of the increased bulkiness in the structure of the former. The experimental results are in accord with the predictions of a statistical mechanical model. PMID- 29219600 TI - Stochastic Feshbach Projection for the Dynamics of Open Quantum Systems. AB - We present a stochastic projection formalism for the description of quantum dynamics in bosonic or spin environments. The Schrodinger equation in the coherent state representation with respect to the environmental degrees of freedom can be reformulated by employing the Feshbach partitioning technique for open quantum systems based on the introduction of suitable non-Hermitian projection operators. In this picture the reduced state of the system can be obtained as a stochastic average over pure state trajectories, for any temperature of the bath. The corresponding non-Markovian stochastic Schrodinger equations include a memory integral over the past states. In the case of harmonic environments and linear coupling the approach gives a new form of the established non-Markovian quantum state diffusion stochastic Schrodinger equation without functional derivatives. Utilizing spin coherent states, the evolution equation for spin environments resembles the bosonic case with, however, a non-Gaussian average for the reduced density operator. PMID- 29219601 TI - Probing the Fluctuations of Optical Properties in Time-Resolved Spectroscopy. AB - We show that, in optical pump-probe experiments on bulk samples, the statistical distribution of the intensity of ultrashort light pulses after interaction with a nonequilibrium complex material can be used to measure the time-dependent noise of the current in the system. We illustrate the general arguments for a photoexcited Peierls material. The transient noise spectroscopy allows us to measure to what extent electronic degrees of freedom dynamically obey the fluctuation-dissipation theorem, and how well they thermalize during the coherent lattice vibrations. The proposed statistical measurement developed here provides a new general framework to retrieve dynamical information on the excited distributions in nonequilibrium experiments, which could be extended to other degrees of freedom of magnetic or vibrational origin. PMID- 29219602 TI - Casimir-Lifshitz Torque Enhancement by Retardation and Intervening Dielectrics. AB - We investigate two effects that lead to a surprising increase in the calculated Casimir-Lifshitz torque between anisotropic, planar, semi-infinite slabs. Retardation effects, which account for the finite speed of light, are generally assumed to decrease the strength of Casimir-Lifshitz interactions. However, the nonretarded approximation underestimates the Casimir-Lifshitz torque at small separations by as much as an order of magnitude. Also, Casimir-Lifshitz forces are typically weakened with the insertion of an intervening dielectric. However, a dielectric medium can increase the short-range Casimir-Lifshitz torque by as much as a factor of 2. The combined effects of retardation and an intervening dielectric dramatically enhance the Casimir-Lifshitz torque in the experimentally accessible regime and should not be neglected in calculation or experimental design. PMID- 29219603 TI - Broadband Amplification of Low-Terahertz Signals Using Axis-Encircling Electrons in a Helically Corrugated Interaction Region. AB - Experimental results are presented of a broadband, high power, gyrotron traveling wave amplifier (gyro-TWA) operating in the (75-110)-GHz frequency band and based on a helically corrugated interaction region. The second harmonic cyclotron mode of a 55-keV, 1.5-A, axis-encircling electron beam is used to resonantly interact with a traveling TE_{21}-like eigenwave achieving broadband amplification. The gyro-TWA demonstrates a 3-dB gain bandwidth of at least 5.5 GHz in the experimental measurement with 9 GHz predicted for a wideband drive source with a measured unsaturated output power of 3.4 kW and gain of 36-38 dB. The approach may allow a gyro-TWA to operate at 1 THz. PMID- 29219604 TI - Phonon Sidebands in Monolayer Transition Metal Dichalcogenides. AB - Excitons dominate the optical properties of monolayer transition metal dichalcogenides (TMDs). Besides optically accessible bright exciton states, TMDs exhibit also a multitude of optically forbidden dark excitons. Here, we show that efficient exciton-phonon scattering couples bright and dark states and gives rise to an asymmetric excitonic line shape. The observed asymmetry can be traced back to phonon-induced sidebands that are accompanied by a polaron redshift. We present a joint theory-experiment study investigating the microscopic origin of these sidebands in different TMD materials taking into account intra- and intervalley scattering channels opened by optical and acoustic phonons. The gained insights contribute to a better understanding of the optical fingerprint of these technologically promising nanomaterials. PMID- 29219605 TI - Spin Resonance and Magnetic Order in an Unconventional Superconductor. AB - Unconventional superconductivity in many materials is believed to be mediated by magnetic fluctuations. It is an open question how magnetic order can emerge from a superconducting condensate and how it competes with the magnetic spin resonance in unconventional superconductors. Here we study a model d-wave superconductor that develops spin-density wave order, and find that the spin resonance is unaffected by the onset of static magnetic order. This result suggests a scenario, in which the resonance in Nd_{0.05}Ce_{0.95}CoIn_{5} is a longitudinal mode with fluctuating moments along the ordered magnetic moments. PMID- 29219606 TI - Achieving Optimal Quantum Acceleration of Frequency Estimation Using Adaptive Coherent Control. AB - Precision measurements of frequency are critical to accurate time keeping and are fundamentally limited by quantum measurement uncertainties. While for time independent quantum Hamiltonians the uncertainty of any parameter scales at best as 1/T, where T is the duration of the experiment, recent theoretical works have predicted that explicitly time-dependent Hamiltonians can yield a 1/T^{2} scaling of the uncertainty for an oscillation frequency. This quantum acceleration in precision requires coherent control, which is generally adaptive. We experimentally realize this quantum improvement in frequency sensitivity with superconducting circuits, using a single transmon qubit. With optimal control pulses, the theoretically ideal frequency precision scaling is reached for times shorter than the decoherence time. This result demonstrates a fundamental quantum advantage for frequency estimation. PMID- 29219607 TI - Passive Linearization of the Magnetic Bunch Compression Using Self-Induced Fields. AB - In linac-driven free-electron lasers, colliders, and energy recovery linacs, a common way to compress the electron bunch to kiloampere level is based upon the implementation of a magnetic dispersive element that converts particle energy deviation into a path-length difference. Nonlinearities of such a process are usually compensated by enabling a high harmonic rf structure properly tuned in amplitude and phase. This approach is however not straightforward, e.g., in C band and X-band linacs. In this Letter we demonstrate that the longitudinal self induced field excited by the electron beam itself is able to linearize the compression process without any use of high harmonic rf structure. The method is implemented at the FERMI linac, with the resulting high quality beam used to drive the seeded free-electron laser during user experiments. PMID- 29219608 TI - Operating Quantum States in Single Magnetic Molecules: Implementation of Grover's Quantum Algorithm. AB - Quantum algorithms use the principles of quantum mechanics, such as, for example, quantum superposition, in order to solve particular problems outperforming standard computation. They are developed for cryptography, searching, optimization, simulation, and solving large systems of linear equations. Here, we implement Grover's quantum algorithm, proposed to find an element in an unsorted list, using a single nuclear 3/2 spin carried by a Tb ion sitting in a single molecular magnet transistor. The coherent manipulation of this multilevel quantum system (qudit) is achieved by means of electric fields only. Grover's search algorithm is implemented by constructing a quantum database via a multilevel Hadamard gate. The Grover sequence then allows us to select each state. The presented method is of universal character and can be implemented in any multilevel quantum system with nonequal spaced energy levels, opening the way to novel quantum search algorithms. PMID- 29219609 TI - Spin Mode Switching at the Edge of a Quantum Hall System. AB - Quantum Hall states can be characterized by their chiral edge modes. Upon softening the edge potential, the edge has long been known to undergo spontaneous reconstruction driven by charging effects. In this Letter we demonstrate a qualitatively distinct phenomenon driven by exchange effects, in which the ordering of the edge modes at nu=3 switches abruptly as the edge potential is made softer, while the ordering in the bulk remains intact. We demonstrate that this phenomenon is robust, and has many verifiable experimental signatures in transport. PMID- 29219610 TI - Local Orthorhombicity in the Magnetic C_{4} Phase of the Hole-Doped Iron-Arsenide Superconductor Sr_{1-x}Na_{x}Fe_{2}As_{2}. AB - We report on temperature-dependent pair distribution function measurements of Sr_{1-x}Na_{x}Fe_{2}As_{2}, an iron-based superconductor system that contains a magnetic phase with reentrant tetragonal symmetry, known as the magnetic C_{4} phase. Quantitative refinements indicate that the instantaneous local structure in the C_{4} phase comprises fluctuating orthorhombic regions with a length scale of ~2 nm, despite the tetragonal symmetry of the average static structure. Additionally, local orthorhombic fluctuations exist on a similar length scale at temperatures well into the paramagnetic tetragonal phase. These results highlight the exceptionally large nematic susceptibility of iron-based superconductors and have significant implications for the magnetic C_{4} phase and the neighboring C_{2} and superconducting phases. PMID- 29219611 TI - Parallel Low-Loss Measurement of Multiple Atomic Qubits. AB - We demonstrate low-loss measurement of the hyperfine ground state of rubidium atoms by state dependent fluorescence detection in a dipole trap array of five sites. The presence of atoms and their internal states are minimally altered by utilizing circularly polarized probe light and a strictly controlled quantization axis. We achieve mean state detection fidelity of 97% without correcting for imperfect state preparation or background losses, and 98.7% when corrected. After state detection and correction for background losses, the probability of atom loss due to the state measurement is <2% and the initial hyperfine state is preserved with >98% probability. PMID- 29219612 TI - Nonprogression with avelumab treatment associated with gains in quality of life in metastatic Merkel cell carcinoma. AB - AIM: To assess the association between tumor response and health-related quality of life (HRQoL) in patients with metastatic Merkel cell carcinoma treated with the anti-PD-L1 avelumab. MATERIALS & METHODS: Phase II single-arm trial (NCT02155647) data of 88 patients were analyzed. Correlations between percentage reduction in tumor size and change from baseline in Functional Assessment of Cancer Therapy - General (FACT-G), FACT - Melanoma (FACT-M) and EuroQol-5 Dimension scores were calculated. HRQoL and utility by tumor response (per the Response Evaluation Criteria In Solid Tumors version 1.1) was estimated. RESULTS: Tumor shrinkage correlated positively with patients' change from baseline in the FACT-M total (0.364 [95% CI: 0.050-0.607]) and subscale scores. Differences in HRQoL and utility between nonprogressive disease and progressive disease were clinically relevant. CONCLUSION: In patients with metastatic Merkel cell carcinoma, nonprogression during treatment with avelumab correlated with gains in HRQoL. PMID- 29219613 TI - Isolation and characterization of a bacterium able to degrade high concentrations of iprodione. AB - A bacterial strain CQH-1 capable of mineralizing iprodione was isolated and characterized. On the basis of its morphological, physiological, and biochemical characteristics combined with phylogenetic analysis of its 16S rRNA gene sequence, strain CQH-1 was identified as a Microbacterium sp. CQH-1. It was able to use iprodione and 3,5-dichloroaniline as the sole source of carbon and energy for its growth. It completely degraded 100 mg.L-1 iprodione within 96 h at 30 degrees C. During the degradation of iprodione by strain CQH-1, 2 compounds were detected in GC-MS analysis and were recognized as N-(3,5-dichlorophenyl)-2,4 dioxoimidazolidine and 3,5-dichloroaniline. So, the biodegradation pathway of iprodione by strain CQH-1 was proposed. This is the first report of an iprodione mineralizing strain from the genus Microbacterium, and strain CQH-1 might be a promising candidate for application in the bioremediation of iprodione contaminated environments. PMID- 29219614 TI - Osteoblast-like cells in human cancers: new cell type and reliable markers for bone metastasis. PMID- 29219615 TI - Therapy sequencing strategies in multiple myeloma: who, what and why? PMID- 29219616 TI - Next-Generation Sequencing Approach to Non-Small Cell Lung Carcinoma Yields More Actionable Alterations. AB - CONTEXT: - Different testing algorithms and platforms for EGFR mutations and ALK rearrangements in advanced-stage lung adenocarcinoma exist. The multistep approach with single-gene assays has been challenged by more efficient next generation sequencing (NGS) of a large number of gene alterations. The main criticism of the NGS approach is the detection of genomic alterations of uncertain significance. OBJECTIVE: - To determine the best testing algorithm for patients with lung cancer in our clinical practice. DESIGN: - Two testing approaches for metastatic lung adenocarcinoma were offered between 2012-2015. One approach was reflex testing for an 8-gene panel composed of DNA Sanger sequencing for EGFR, KRAS, PIK3CA, and BRAF and fluorescence in situ hybridization for ALK, ROS1, MET, and RET. At the oncologist's request, a subset of tumors tested by the 8-gene panel was subjected to a 50-gene Ion AmpliSeq Cancer Panel. RESULTS: - Of 1200 non-small cell lung carcinomas (NSCLCs), 57 including 46 adenocarcinomas and NSCLCs, not otherwise specified; 7 squamous cell carcinomas (SCCs); and 4 large cell neuroendocrine carcinomas (LCNECs) were subjected to Ion AmpliSeq Cancer Panel. Ion AmpliSeq Cancer Panel detected 9 potentially actionable variants in 29 adenocarcinomas that were wild type by the 8-gene panel testing (9 of 29, 31.0%) in the following genes: ERBB2 (3 of 29, 10.3%), STK11 (2 of 29, 6.8%), PTEN (2 of 29, 6.8%), FBXW7 (1 of 29, 3.4%), and BRAF G469A (1 of 29, 3.4%). Four SCCs and 2 LCNECs showed investigational genomic alterations. CONCLUSIONS: - The NGS approach would result in the identification of a significant number of actionable gene alterations, increasing the therapeutic options for patients with advanced NSCLCs. PMID- 29219618 TI - Global health watch 5: an alternative world health report. PMID- 29219617 TI - Exploring Multiphoton Microscopy as a Novel Tool to Differentiate Chromophobe Renal Cell Carcinoma From Oncocytoma in Fixed Tissue Sections. AB - CONTEXT: - Distinguishing chromophobe renal cell carcinoma (chRCC), especially in the presence of eosinophilic cytoplasm, from oncocytoma on hematoxylin-eosin can be difficult and often requires time-consuming ancillary procedures that ultimately may not be informative. OBJECTIVE: - To explore the potential of multiphoton microscopy (MPM) as an alternative and rapid diagnostic tool in differentiating oncocytoma from chRCC at subcellular resolution without tissue processing. DESIGN: - Unstained, deparaffinized tissue sections from 27 tumors (oncocytoma [n = 12], chRCC [n = 12], eosinophilic variant of chRCC [n = 1], and atypical oncocytic renal neoplasm [n = 2]) were imaged with MPM. Morphologic evaluation and automated quantitative morphometric analysis were conducted to distinguish between chRCC and oncocytoma. RESULTS: - The typical cases of oncocytomas (12 of 12) and chRCC (12 of 12) could be readily differentiated on MPM based on the morphologic features similar to hematoxylin-eosin. The most striking MPM signature of both of the tumors was the presence of autofluorescent intracytoplasmic granules, which are not seen on hematoxylin-eosin-stained slides. Although we saw these granules in both types of tumors, they appeared distinct, based on their size, shape, cytoplasmic distribution, and autofluorescence wavelengths, and were valuable in arriving at a definitive diagnosis. For oncocytomas and chRCC, high diagnostic accuracies of 100% and 83.3% were achieved on blinded MPM and morphometric analysis, respectively. CONCLUSIONS: - To the best of our knowledge, this is the first demonstration of MPM to distinguish chRCC from oncocytoma in fixed tissues. Our study was limited by small sample size and only a few variants of oncocytic tumors. Prospective studies are warranted to assess the utility of MPM as a diagnostic aid in oncocytic renal tumors. PMID- 29219620 TI - A common humoral background of intraocular and arterial blood pressure dysregulation. AB - BACKGROUND: It has been postulated that intraocular pressure, an important glaucoma risk factor, correlates positively with arterial blood pressure (blood pressure). However, results of experimental and clinical studies are often contradictory. It is hypothesized that, in some hypertensive patients, disturbances in intraocular pressure regulation may depend on biological effects of blood borne hormones underlying a particular type of hypertension, rather than on blood pressure level itself. REVIEW: This review compares the effects of hormones on blood pressure and intraocular pressure, in order to identify a hormonal profile of hypertensive patients with an increased risk of intraocular pressure surge. The PUBMED database was searched to identify pre-clinical and clinical studies investigating the role of angiotensin II, vasopressin, adrenaline, noradrenaline, prostaglandins, and gaseous transmitters in the regulation of blood pressure and intraocular pressure. RESULTS: Studies included in the review suggest that intraocular and blood pressures often follow a different pattern of response to the same hormone. For example, vasopressin increases blood pressure, but decreases intraocular pressure. In contrast, high level of nitric oxide decreases blood pressure, but increases intraocular pressure. CONCLUSIONS: Arterial hypertension is associated with altered levels of blood borne hormones. Contradicting results of studies on the relationship between arterial hypertension and intraocular pressure might be partially explained by diverse effects of hormones on arterial and intraocular pressures. Further studies are needed to evaluate if hormonal profiling may help to identify glaucoma-prone patients. PMID- 29219619 TI - Prenatal and Early Life Fructose, Fructose-Containing Beverages, and Midchildhood Asthma. AB - RATIONALE: Cross-sectional studies have linked intake of high-fructose corn syrup sweetened beverages with asthma in schoolchildren. OBJECTIVES: To examine associations of maternal prenatal and early childhood intake of sugar-sweetened beverages and fructose with current asthma in midchildhood (median age, 7.7 yr). METHODS: We assessed maternal pregnancy (first- and second-trimester average) and child (median age, 3.3 yr) intake of sugar-sweetened beverages and total fructose using food frequency questionnaires in 1,068 mother-child pairs from Project Viva, a prospective prebirth cohort. In a multivariable analysis, we examined associations of quartiles of maternal and child sugar-sweetened beverage, juice, and total fructose intake with child current asthma in midchildhood, assessed by questionnaire as ever having doctor-diagnosed asthma plus taking asthma medications or reporting wheezing in the past 12 months. RESULTS: Higher maternal pregnancy sugar-sweetened beverage consumption (mean, 0.6 servings/d; range, 0-5) was associated with younger maternal age, nonwhite race/ethnicity, lower education and income, and higher prepregnancy body mass index. Adjusting for prepregnancy body mass index and other covariates, comparing quartile 4 with quartile 1, higher maternal pregnancy intake of sugar-sweetened beverages (odds ratio, 1.70; 95% confidence interval, 1.08-2.67) and total fructose (odds ratio, 1.58; 95% confidence interval, 0.98-2.53) were associated with greater odds of midchildhood current asthma (prevalence, 19%). Higher early childhood fructose intake (quartile 4 vs. quartile 1) was also associated with midchildhood current asthma in models adjusted for maternal sugar-sweetened beverages (odds ratio, 1.79; 95% confidence interval, 1.07-2.97) and after additional adjustment for midchildhood body mass index z-score (odds ratio, 1.77; 95% confidence interval, 1.06-2.95). CONCLUSIONS: Higher sugar-sweetened beverage and fructose intake during pregnancy and in early childhood was associated with childhood asthma development independent of adiposity. PMID- 29219621 TI - Clinical trial transparency update: an assessment of the disclosure of results of company-sponsored trials associated with new medicines approved in Europe in 2014. AB - BACKGROUND: The objective of this study was to assess the timely disclosure of results of company-sponsored clinical trials related to all new medicines approved by the European Medicines Agency (EMA) during 2014. This is the final extension of three previously reported studies of trials related to all new medicines approved in Europe in 2009, 2010 and 2011, and in 2012 and 2013. The original study found that over a three-year period over three-quarters of all trials were disclosed within 12 months and almost 90% were disclosed by the end of the study (31 January 2013). The extension studies (2012 and 2013 approvals) both showed an improvement in results disclosure within 12 months to 90%, and an overall disclosure rate of 92% and 93% respectively by the end of the studies. METHODS: The methodology used was exactly as previously reported. Various publicly available information sources were searched for both clinical trial registration and disclosure of results. All completed company-sponsored trials related to each new medicine approved for marketing by the EMA in 2014, carried out in patients and recorded on a clinical trials registry and/or included in an EMA European Public Assessment Report (EPAR), were included. Information sources were searched between 1 May and 31 July 2016. OUTCOME MEASURES AND RESULTS: The main outcome measure was the proportion of trials for which results had been disclosed on a registry or in the scientific literature either within 12 months of the later of either first regulatory approval or trial completion, or by 31 July 2016 (end of survey). Of the completed trials associated with 32 new medicines licensed to 22 different companies in 2014, results of 93% (505/542) had been disclosed within 12 months, and results of 96% (518/542) had been disclosed by 31 July 2016. CONCLUSIONS: The disclosure rate within 12 months of 93% suggests that industry is continuing to achieve disclosure in a timely manner. The overall disclosure rate at study end of 96% indicates that the improvement in transparency amongst company-sponsored trials has been maintained in the trials associated with new medicines approved in 2014. PMID- 29219623 TI - Usual normalization strategies for gene expression studies impair the detection and analysis of circadian patterns. AB - Recent studies have shown that transcriptomes from different tissues present circadian oscillations. Therefore, the endogenous variation of total RNA should be considered as a potential bias in circadian studies of gene expression. However, normalization strategies generally include the equalization of total RNA concentration between samples prior to cDNA synthesis. Moreover, endogenous housekeeping genes (HKGs) frequently used for data normalization may exhibit circadian variation and distort experimental results if not detected or considered. In this study, we controlled experimental conditions from the amount of initial brain tissue samples through extraction steps, cDNA synthesis, and quantitative real time PCR (qPCR) to demonstrate a circadian oscillation of total RNA concentration. We also identified that the normalization of the RNA's yield affected the rhythmic profiles of different genes, including Per1-2 and Bmal1. Five widely used HKGs (Actb, Eif2a, Gapdh, Hprt1, and B2m) also presented rhythmic variations not detected by geNorm algorithm. In addition, the analysis of exogenous microRNAs (Cel-miR-54 and Cel-miR-39) spiked during RNA extraction suggests that the yield was affected by total RNA concentration, which may impact circadian studies of small RNAs. The results indicate that the approach of tissue normalization without total RNA equalization prior to cDNA synthesis can avoid bias from endogenous broad variations in transcript levels. Also, the circadian analysis of 2-Cycle threshold (Ct) data, without HKGs, may be an alternative for chronobiological studies under controlled experimental conditions. PMID- 29219624 TI - Can we predict the response to therapy in soft tissue sarcoma? PMID- 29219626 TI - Eveningness is associated with skipping breakfast and poor nutritional intake in Brazilian undergraduate students. AB - Some studies have proposed that self-reported eveningness, which reflects the preference of performing activities in the evening, may harm nutritional health and influence the eating behavior and nutritional status of individuals. However, the relationship between these variables (eveningness and nutritional status) and the consumption of breakfast, which is currently considered a marker of health, has been insufficiently explored by studies. The aim of this study was to investigate, in undergraduate students, the association between diurnal preference, being overweight, and food consumption (with special focus on breakfast). The study included 721 undergraduate students from a Brazilian public university. Dietary intake was assessed by 24-hour food recall, and the usual time for breakfast was identified. Body weight, height, and waist circumference were measured by trained researchers. Diurnal preference was determined by the Horne and Ostberg questionnaire validated for the Brazilian population, and the participants were classified into three categories: evening (coefficient: 16-41), intermediate type (coefficient: 42-58) or morning type (coefficient: 59-86). The prevalence of skipping breakfast was higher among the evening types (p = 0.02), when compared with morning and intermediate types. A negative association between the diurnal preference coefficient and total caloric (coefficient -0.25, p = 0.007, r2 adjusted = 0.12), carbohydrate (coefficient -0.19, p = -0.04, r2 adjusted = 0.04) and lipid intake (coefficient -0.18, p = 0.04, r2 adjusted = 0.05) was also found in the breakfast skippers but not in breakfast eaters. In other words, breakfast skippers with diurnal preference values indicative of eveningness consumed more calories, carbohydrates and fats. Evening types presented significant odds of skipping breakfast (OR = 1.7, CI = 1.1-2.9, p = 0.02) when compared with morning and intermediate chronotypes. We conclude that eveningness is associated with skipping breakfast and a higher consumption of calories, carbohydrates and fats in breakfast skippers. These eating behaviors may predispose these individuals to being overweight. PMID- 29219625 TI - Utility of point shear wave elastography in characterisation of focal liver lesions. AB - BACKGROUND: The present study aimed at evaluation of the usefulness of point shear wave elastography (pSWE) in characterization of FLL(s) by quantifying their stiffness. METHODS: In total, 197 patients (mean age was 56.57 years) with FLL(s) on conventional ultrasound were included. Final diagnoses, confirmed by imaging and/or biopsy whenever possible, included hepatocellular carcinoma (HCC) (n = 143), metastasis (n = 36), hemangioma (n = 16), and focal nodular hyperplasia (n = 2). Stiffness evaluation was performed by pSWE. Stiffness ratio (lesion to background liver) was calculated. ROC analysis was performed to evaluate the diagnostic accuracy of the stiffness value and stiffness ratio and to extract the optimal cutoff values for characterisation of FLL(s). RESULTS: HCC was significantly softer than its surrounding liver parenchyma [5.43 (3.03) vs. 17.05 (8.53) kPa, p <0.001]. However, the stiffness values for the other examined FLLs were comparable to their surrounding liver parenchyma. No significant difference was detected across different types of metastases or between metastases and surrounding liver (p>0.05). Stiffness ratio was superior to stiffness value in discrimination of HCC from metastasis (AUROC, 0.91 vs. 0.51 respectively). CONCLUSION: pSWE could provide a complementary information about FLLs especially in differentiation between HCCs from metastases. PMID- 29219627 TI - Non-oncotic properties of albumin. A multidisciplinary vision about the implications for critically ill patients. AB - INTRODUCTION: Effective resuscitation with human albumin solutions is achieved with less fluid than with crystalloid solutions. However, the role of albumin in today's critical care unit is also linked to its multiple pharmacological effects. Areas covered: The potential clinical benefits of albumin in select populations of critically ill patients like sepsis seem related to immunomodulatory and anti-inflammatory effects, antibiotic transportation and endothelial stabilization. Albumin transports many drugs used in critically ill patients. Such binding to albumin is frequently lessened in critically ill patients with hypoalbuminemia. These changes could result in sub-optimal treatment. Albumin has immunomodulatory capacity by binding several bacterial products. Albumin also influences vascular integrity, contributing to the maintenance of the normal capillary permeability. Moreover, the albumin molecule encompasses several antioxidant properties, thereby significantly reducing re oxygenation injury, which is especially important in sepsis. In fact, most studies of albumin administration are a combination of a degree of resuscitation with a degree of maintenance or supplementation of albumin. Expert commentary: The potential clinical benefits of the use of albumin in selected critically ill patients such as sepsis seem related to its immunomodulatory and anti inflammatory effects, antioxidant properties, antibiotic transportation and endothelial stabilization. Additional studies are warranted to further elucidate the underlying physiologic and molecular rationale. PMID- 29219629 TI - Pharmacotherapy options for managing chemotherapy-induced peripheral neurotoxicity. AB - INTRODUCTION: Prevention and treatment of chemotherapy-induced peripheral neurotoxicity (CIPN) are clinically-relevant unmet needs. Despite extensive efforts at the preclinical and clinical levels, no effective pharmacological interventions are available, and this unsatisfactory situation reflects a combination of methodological issues and a lack of effectiveness of the tested drugs. Areas covered: This non-systematic, but unbiased review is based on published papers available in PubMed and screened using the broad search string [chemotherapy (and) neuropathy (and) treatment] to analyze the reported data. Subsequently, the same search was performed in ClinicalTrials.gov to assess the trend of new clinical studies. Expert opinion: From the analysis of the most recently published clinical studies and of the ongoing registered trials it seems that drug-based treatment attempts are being overwhelmed by non-pharmacological studies, in most cases based on weak supporting hypothesis. Among the possible strategies important to restore a prominent role for drug-based clinical trials, increased knowledge on CIPN pathophysiology, more effective translation of preclinical results into clinical setting, improvement in CIPN assessment and the identification of subjects at high-risk for more severe CIPN are important areas to concentrate investigational efforts. PMID- 29219628 TI - Penetration enhancer-containing spanlastics (PECSs) for transdermal delivery of haloperidol: in vitro characterization, ex vivo permeation and in vivo biodistribution studies. AB - Haloperidol (Hal) is one of the widely used antipsychotic drugs. When orally administered, it suffers from low bioavailability due to hepatic first pass metabolism. This study aimed at developing Hal-loaded penetration enhancer containing spanlastics (PECSs) to increase transdermal permeation of Hal with sustained release. PECSs were successfully prepared using ethanol injection method showing reasonable values of percentage entrapment efficiency, particle size, polydispersity index and zeta potential. The statistical analysis of the ex vivo permeation parameters led to the choice of F1L - made of Span(r) 60 and Tween(r) 80 at the weight ratio of 4:1 along with 1% w/v Labrasol(r) - as the selected formula (SF). SF was formulated into a hydrogel by using 2.5% w/v of HPMC K4M. The hydrogel exhibited good in vitro characteristics. Also, it retained its physical and chemical stability for one month in the refrigerator. The radiolabeling of SF showed a maximum yield by mixing of 100 ul of diluted formula with 50 ul saline having 200 MBq of 99mTc and containing 13.6 mg of reducing agent (NaBH4) and volume completed to 300 ul by saline at pH 10 for 10 min as reaction time. The biodistribution study showed that the transdermal 99mTc-SF hydrogel exhibited a more sustained release pattern and longer circulation duration with pulsatile behavior in the blood and higher brain levels than the oral 99mTc-SF dispersion. So, transdermal hydrogel of SF may be considered a promising sustained release formula for Hal maintenance therapy with reduced dose size and less frequent administration than oral formula. PMID- 29219589 TI - Observation of D^{0} Meson Decays to pi^{+}pi^{-}MU^{+}MU^{-} and K^{+}K^{ }MU^{+}MU^{-} Final States. AB - The first observation of the D^{0}->pi^{+}pi^{-}MU^{+}MU^{-} and D^{0}->K^{+}K^{ }MU^{+}MU^{-} decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass energy of 8 TeV, and corresponding to 2 fb^{-1} of integrated luminosity. The corresponding branching fractions are measured using as normalization the decay D^{0}->K^{-}pi^{+}[MU^{+}MU^{ }]_{rho^{0}/omega}, where the two muons are consistent with coming from the decay of a rho^{0} or omega meson. The results are B(D^{0}->pi^{+}pi^{-}MU^{+}MU^{ })=(9.64+/-0.48+/-0.51+/-0.97)*10^{-7} and B(D^{0}->K^{+}K^{-}MU^{+}MU^{ })=(1.54+/-0.27+/-0.09+/-0.16)*10^{-7}, where the uncertainties are statistical, systematic, and due to the limited knowledge of the normalization branching fraction. The dependence of the branching fraction on the dimuon mass is also investigated. PMID- 29219630 TI - Fewer adverse effects with a modified two-bag acetylcysteine protocol in paracetamol overdose. AB - OBJECTIVE: Acetylcysteine (NAC), an effective antidote for paracetamol poisoning, is commonly associated with adverse reactions. This has been postulated to be related to the rapid initial infusion rate (150 mg/kg over 1 h) of the traditional three-bag protocol. We hypothesized that a slower rate would result in fewer adverse reactions. Our institution in Western Sydney moved to a modified two-bag protocol in February 2015 - first bag: 200 mg/kg over 4 h (50 mg/kg/h) and second bag: (100 mg/kg over 16 h). METHODS: Data was extracted from our database on paracetamol overdoses treated with NAC from August 2010 to September 2016. We compared adverse reactions in patients receiving the modified two-bag protocol with a historical control (traditional three-bag regimen with initial bolus of 150 mg/kg/h). RESULTS: Over the study period 1011 paracetamol poisonings presented to our toxicology service, of which 476 required NAC (three-bag = 313, two-bag = 163). Demographic characteristics of the two groups were similar. Fewer anaphylactoid reactions (itch, rash, and swelling) occurred using the two-bag regimen (14% versus 5%, p = .002), a relative reduction of 66%. Similarly, there were fewer prescriptions of anti-allergy medications in the two-bag group (11% versus 4%, p = .01). There was no difference in incidence of hepatotoxicity. CONCLUSIONS: Adverse reactions to NAC were less common with the two-bag regimen. These results add to the accumulating evidence that reducing the initial NAC infusion rate reduces the risk of adverse reactions. PMID- 29219631 TI - Tourette syndrome and other chronic tic disorders: an update on clinical management. AB - INTRODUCTION: The management of Tourette syndrome (TS) and other chronic tic disorders occurs in multiple stages and begins with comprehensive assessment and complex psychoeducation. Behavioral and pharmacological interventions (second stage) are needed when tics cause physical or psychosocial impairment. Deep brain stimulation surgery or experimental therapies represent the third stage. Areas covered: Discussed are recent advances in assessment and therapy of chronic tic disorders, encompassing the three stages of intervention, with the addition of experimental, non-invasive brain stimulation strategies. A PubMed search was performed using as keywords: 'tic disorders', 'Tourette syndrome', 'assessment', 'rating scales', 'behavioral treatment', 'pharmacological treatment', 'deep brain stimulation', 'transcranial magnetic (or current) stimulation', and 'transcranial current stimulation'. More than 300 peer-reviewed articles were evaluated. The studies discussed have been selected on the basis of novelty and impact. Expert commentary: Comprehensive assessment of tic disorders and psychoeducation are crucial to a correct active management approach. Behavioral treatments represent first line of active interventions, with increasing potential offered by telehealth. Antipsychotics and alpha agonists remain first line pharmacological interventions for tics, although VMAT-2 inhibitors appear promising. Deep brain stimulation is a potential option for medically refractory, severely disabled patients with tics, but age and target selection require further investigation. PMID- 29219632 TI - Budd Chiari syndrome associated with AL amyloidosis: a coagulation paradox. PMID- 29219633 TI - Brain activity during phonation in healthy female singers with supraglottic compression: an fMRI pilot study. AB - This pilot study evaluated the usability of functional magnetic resonance imaging (fMRI) to detect brain activation during phonation in healthy female singers with supraglottic compression. Four healthy female classical singers (mean age: 26 years) participated in the study. All subjects had normal vocal folds and vocal characteristics and showed supraglottic compression. The fMRI experiment was carried out using a block design paradigm. Brain activation during phonation and exhalation was analyzed using Brain Voyager software (Brain Innovation B.V., Maastricht, The Netherlands). An fMRI data analysis showed a significant effect of phonation control in the bilateral pre/postcentral gyrus, and in the frontal, cingulate, superior and middle temporal gyrus, as well as in the parietal lobe, insula, lingual gyrus, cerebellum, thalamus and brainstem. These activation areas are consistent with previous reports using other fMRI protocols. In addition, a significant effect of phonation compared to exhalation control was found in the bilateral superior temporal gyrus, and the pre/postcentral gyrus. This fMRI pilot study allowed to detect a normal pattern of brain activity during phonation in healthy female singers with supraglottic compression using the proposed protocol. However, the pilot study detected problems with the experimental material/procedures that would necessitate refining the fMRI protocol. The phonation tasks were not capable to show brain activation difference between high pitched and comfortable phonation. Further fMRI studies manipulating vocal parameters during phonation of the vowels /a/ and /i/ may elicit more distinctive hemodynamic response (HDR) activity patterns relative to voice modulation. PMID- 29219635 TI - Hashtag #TBI: A content and network data analysis of tweets about Traumatic Brain Injury. AB - OBJECTIVE: The aims of this study were to: (a) determine how Twitter is used by people with traumatic brain injury (TBI) and TBI organisations, (b) analyse the Twitter networks and content of tweets tagged with TBI-related hashtags, and (c) identify any challenges people with TBI encounter in using Twitter. RESEARCH DESIGN: Mixed methods in a Twitter hashtag study. METHODS: Mixed methods in a Twitter hashtag study. Tweets tagged with TBI-related hashtags were harvested from the Twitter website over a one-month period in 2016 and analysed qualitatively and quantitatively. RESULTS: The sample of 29,199 tweets included tweets sent by 893 @users, 219 of whom had a brain injury. Twitter was used to: (a) discuss health issues, (b) raise awareness of TBI, (c) talk about life after TBI, (d) talk about sport and concussion, and (e) communicate inspirational messages. CONCLUSIONS: Twitter is an important platform for research and knowledge translation on TBI, and for hearing the voices of people with TBI as they express their personal views and stories of living with TBI and become more visible and influential in Twitter communities. TBI clinicians could use these narratives of people with TBI in Twitter to develop more effective and personally meaningful rehabilitation goals. PMID- 29219634 TI - Using molecular imaging to understand early schizophrenia-related psychosis neurochemistry: a review of human studies. AB - Schizophrenia is a chronic psychiatric disorder generally preceded by a so-called prodromal phase, which is characterized by attenuated psychotic symptoms. Advances in clinical research have enabled prospective identification of those individuals who are at clinical high risk (CHR) for psychosis, with the power to predict psychosis onset within the near future. Changes in several brain neurochemical systems and molecular mechanisms are implicated in the pathophysiology of schizophrenia and the psychosis spectrum, including the dopaminergic, gamma-aminobutyric acid (GABA)-ergic, glutamatergic, endocannabinoid, and immunologic (i.e. glial activation) system and other promising future directions such as synaptic density, which are possible to quantify in vivo using positron emission tomography (PET). This paper aims to review in vivo PET studies in the mentioned systems in the early course of psychosis (i.e. CHR and first-episode psychosis (FEP)). The results of reviewed studies are promising; however, the current understanding of the underlying pathology of psychosis is still limited. Importantly, promising efforts involve the development of novel PET radiotracers targeting systems with growing interest in schizophrenia, like the nociceptive system and synaptic density. PMID- 29219636 TI - Physiological effects of brominated flame retardants on NC/Nga mice. AB - PURPOSE: Brominated flame retardants (BFRs) are used as an additive or reactive components in various materials. Regarding their health concerns, their immunotoxicity have not been clarified yet. MATERIALS AND METHODS: In the current study, we examined the effects of systemic exposure to two types of BFRs, DE71 and DE79, on pathophysiologic traits of murine atopic dermatitis (AD). Male NC/Nga mice were repeatedly injected intraperitoneally with DE71 and DE79 and/or mite allergen (Dermatophagoides pteronyssinus: Dp) into their right ears. Thereafter, clinical scores, macroscopic findings of inflammatory foci, and Ig values in serum were examined. RESULTS: Both DEs significantly aggravated clinical scores induced by mite allergen including skin dryness and edema. Total IgE titer was significantly greater in the Dp + DE79 group than in the Dp group. CONCLUSIONS: Taken together, exposure to BFRs can exacerbate AD-like skin lesions related to mite allergen in mice. The accentuating effects may be mediated, at least in part, through hyperproduction of IgE. PMID- 29219637 TI - First Cases of Hb Agrinio Described in Patients from the Republic of Macedonia. AB - Previous molecular analyses of alpha-thalassemia (alpha-thal) in the Republic of Macedonia have identified the following genetic defects: -alpha3.7 (rightward), (alpha)20.5 and - -MED I deletions and Hb Icaria [alpha142, Term->Lys (alpha2), HBA2: c.427T>A] and polyadenylation signal (polyA) [AATAAA>AATGAA (alpha2), HBA2: c.*92A>G] point mutations. Here, we report two unrelated patients from the Romani population in the Republic of Macedonia, homozygotes for the alpha2-globin gene variant Hb Agrinio [alpha29(B10)Leu->Pro; HBA2: c.89T>C]. To date, Hb Agrinio has been described only in individuals of Greek, Cypriot and Spanish origin. Both of our patients had early presentation of the disease (3.5 years and 2 months, respectively) with frequent blood transfusions from early infancy. They have a severe intermediate phenotype of thalassemia (Hb H disease) with hemoglobin (Hb) levels of 7.8 and 7.7 g/dL, respectively. Although the HBA2: c.89T>C mutation results in an alpha+ allele, the severe phenotype of the homozygotes is due to the production of hyperunstable alpha chains that undergo post translational precipitation. This leads to a greater degree of red cell damage and hemolytic anemia. The detection of Hb Agrinio in two unrelated families of Romani ethnic origin, may suggest it is a founder mutation in this population living in the Republic of Macedonia. Considering the severity of the clinical presentation of the homozygotes or compound heterozygotes for this rare Hb variant, a targeted molecular screening for Hb Agrinio mutation carriers should be considered in all patients of Romani ethnic origin with manifested microcytosis. PMID- 29219639 TI - Correction to: Yuki Harada et al., CINCA syndrome with surgical intervention for valgus deformity and flexion contracture of the knee joint: A case report. PMID- 29219638 TI - Clinical efficacy, radiographic, and safety results of golimumab monotherapy in Japanese patients with active rheumatoid arthritis despite prior therapy with disease-modifying antirheumatic drugs: Final results of the GO-MONO trial through week 120. AB - OBJECTIVE: Evaluate the safety and efficacy of golimumab through week 120 in Japanese patients with active rheumatoid arthritis (RA) previously treated with DMARDs. METHODS: Japanese patients with active RA despite prior DMARDs were randomized to placebo (Group 1, n = 105), golimumab 50 mg (Group 2, n = 101), or golimumab 100 mg (Group 3, n = 102). At week 16, Group 1 patients crossed over to golimumab 50mg; after week 52, a one-time golimumab dose reduction from 100 to 50 mg was permitted. Assessments included ACR20/50/70 responses and good/moderate DAS28-ESR responses. Radiographic progression was assessed with the van der Heijde-modified Sharp (vdH-S) score. Safety and efficacy were assessed through week 120. RESULTS: ACR20 response rates at week 52 in Group 1, Group 2, and Group 3 were 70.6%, 71.4%, and 81.9%, respectively, and maintained through week 104 (87.2%, 85.1%, 88.9%, respectively) and week 120 (86.1%, 87.0%, 89.5%, respectively). Similar trends were observed for ACR50, ACR 70, and DAS28-ESR. Median change in total vdH-S at weeks 52, 104, and 120 ranged from 0.0 to 1.5 across treatment groups. Through week 120, 93.8%/97.1% had an AE with golimumab 50 mg/100 mg, respectively, and 19.7%/11.8% had an SAE. Infections were the most common AE. CONCLUSION: Clinical response to golimumab 50 mg and 100 mg was maintained over 2 years in Japanese patients with active RA despite prior DMARDs. PMID- 29219640 TI - Treatment of Parkinson's disease. AB - Preview Although the early symptoms of Parkinson's disease can be ameliorated, the illness is relentlessly progressive. Studies have therefore been conducted in hopes of finding therapy to delay its disabling course. In this article, Dr Ahlskog examines recent proposals and their application in cases of early and advancing disease. PMID- 29219641 TI - Osteoporosis. AB - Preview A reduction in bone mass seems to be inevitable with aging, but osteoporotic fractures need not be. As Dr Watts explains, recent advances in diagnosis and treatment of osteoporosis have been significant. Patients at increased risk of fracture can be identified with use of bone-density measurements, and proven and experimental treatment methods are available to prevent bone loss and increase bone mass. PMID- 29219642 TI - The dementia syndromes. AB - Preview Dementia is one of the most devastating illnesses that affect the elderly. The progressive decline in memory, judgment, intellectual function, and adaptive ability places an immense burden on families, healthcare providers, and communities. Because advancing age is the leading risk factor for most types of dementia, the prevalence of this tragic disorder will increase as the population ages. How can primary care physicians help? PMID- 29219643 TI - Current options in gallstone management. AB - Preview Should surgery to remove gallstones be deferred until symptoms occur? When should therapy with oral bile acids, lithotripsy, or methyl tert-butyl ether be considered? How should nonspecific dyspeptic symptoms in a patient with cholelithiasis be managed? Dr Marshall discusses these and other questions and controversies. PMID- 29219644 TI - Tick-borne infections. AB - Preview Is it because people are traveling more often or to more remote locations or because exposure to ticks is becoming more common? Whatever the reason, diseases spread by tick bites are being reported more often than in the past. Some of these, such as Rocky Mountain spotted fever and ehrlichiosis, can have very severe, even fatal, consequences. Dr Middleton describes findings that suggest tick-borne disease and summarizes effective treatment and prevention methods. PMID- 29219645 TI - Hoarseness. AB - Preview A patient's complaint of hoarseness cannot be taken lightly. Although the cause may simply be a limited illness, a life- threatening disease could be the underlying problem. The authors review the necessary observations in history taking and physical examination of the hoarse patient; these cover a wide range of behaviors, conditions, and situations. The goal is to provide an accurate and quick diagnosis so that proper treatment can begin at once. PMID- 29219646 TI - Diabetic gastroparesis. AB - Preview As many as 30% of patients with long-standing diabetes mellitus may have symptoms of gastroparesis, and others are found to have the condition despite being asymptomatic. When should diabetic gastroparesis be suspected, and which are the best tests for detecting it? What factors can exacerbate it? Drs Clark and Nowak address these questions and discuss the therapeutic value of dietary modification, pro- kinetic agents, and surgical intervention. PMID- 29219647 TI - What Would Cooper Do to You? PMID- 29219648 TI - Non-Q-wave myocardial infarction. AB - Preview Studies published since the early 1970s have changed the thinking about non-Q-wave myocardial infarction, and the serious nature of the disorder is now recognized. Reinfarction or infarct extension is the most common cause of morbidity in these patients. Thus, diagnosis with electrocardiography, appropriate choice of prophylactic measures, risk stratification before discharge, and careful follow-up are vital, as Dr Nixon discusses. PMID- 29219649 TI - What will Congress do to healthcare? AB - More than 6 months have passed since President Clinton presented his healthcare reform plan to Congress. Since then, Sen Phil Gramm (R, Texas) and several others have introduced healthcare reform bills. Will Congress eventually pass a bill on healthcare reform? What should physicians expect? We asked Senator Gramm to discuss his bill and to update physicians on how reform is shaping up. PMID- 29219650 TI - Kaiser Permanente's twist on managed care. AB - When many physicians think of managed care, they think first of Kaiser Permanente, the nation's largest HMO. That perception is misguided, according to David M. Lawrence, MD, the chief executive officer and chairman of the boards of the Kaiser Foundation health plan and hospitals. During a phone interview recently, Lawrence described managed care from his perspective at Kaiser and discussed Kaiser's place in the coming changes in healthcare delivery. PMID- 29219652 TI - Get off the fence and do something. PMID- 29219651 TI - You can't buy insurance when the house is on fire. AB - Why does health insurance cost so much? According to the vice president at the insurance company that pioneered high- deductible health insurance to go with medical savings accounts, a big factor is that insurance companies are being asked to solve social problems. Mr Hartnedy offers a solution to America's healthcare-delivery plight that includes empowerment of individuals and preservation of choice. PMID- 29219654 TI - IJRB: looking toward the future. PMID- 29219653 TI - Characteristics and outcome of intractable vasculitis syndrome in children: Nation-wide survey in Japan. AB - OBJECTIVE: Primary systemic vasculitis (PSV) is a rare disorder in children and difficult to distinguish from other diseases. However, appropriate diagnosis and prompt treatment will affect on the morbidity and mortality of intractable PSV. In this study, we conducted a nationwide survey in Japan, to clarify epidemiology and clinical outcome of PSV. METHODS: We had sent survey questionnaires to most of the Japanese institutions that employed pediatricians, requesting the number of patients with refractory PSV who were diagnosed and treated between 2007 and 2011. Respondents were asked to provide detailed information on the clinical and laboratory features of each case they had managed. Those with Kawasaki disease or Henoch-Shonlein purpura vasculitis (IgA vasculitis) were excluded. RESULTS: Of all the institutions surveyed, 1123 (37.3%) patients responded, finally, total of 49 patients with intractable PSV, defined by those with resistant to treatment and steroid-dependent, or with any complication associated with prognosis, were selected. The diagnosis was Takayasu arteritis in 31, polyarteritis nodosa in 11, granulomatosis with polyangitis in 2, microscopic polyangitis in 1, and ANCA negative microscopic polyangitis in 1. In those with Takayasu arteritis, 67% were treated with an immunosuppressive agent, 22% with biological modifiers, and 16% with surgical procedures. In other types of disease, 88% of the patients were treated with an immunosuppressive agent, and 12% with biological modifiers. Two with Takayasu arteritis died being terminally ill. CONCLUSION: This nationwide survey establishes the heterogeneous characteristics of PSV in children. Although questionnaire-based, the results of our analysis should be useful in planning prospective studies to identify the most effective therapy for each subtype of multifaceted disease. PMID- 29219658 TI - Urinary incontinence in women. AB - Preview Involuntary loss of urine is a troublesome, embarrassing problem among women. Fortunately, urinary incontinence can be treated, if not cured. What are the causes? When is surgical intervention appropriate? Which new nonsurgical treatment options are effective? The author answers these and other questions in this review of diagnostic tests and management options for urinary incontinence in women. PMID- 29219657 TI - The levels of mutant K-RAS and mutant N-RAS are rapidly reduced in a Beclin1 / ATG5 -dependent fashion by the irreversible ERBB1/2/4 inhibitor neratinib. AB - The FDA approved irreversible inhibitor of ERBB1/2/4, neratinib, was recently shown to rapidly down-regulate the expression of ERBB1/2/4 as well as the levels of c-MET and mutant K-RAS via autophagic degradation. In the present studies, in a dose-dependent fashion, neratinib reduced the expression levels of mutant K-RAS or of mutant N-RAS, which was augmented in an additive to greater than additive fashion by the HDAC inhibitors sodium valproate and AR42. Neratinib could reduce PDGFRalpha levels in GBM cells, that was enhanced by sodium valproate. Knock down of Beclin1 or of ATG5 prevented neratinib and neratinib combined with sodium valproate / AR42 from reducing the expression of mutant N-RAS in established PDX and fresh PDX models of ovarian cancer and melanoma, respectively. Neratinib and the drug combinations caused the co-localization of mutant RAS proteins and ERBB2 with Beclin1 and cathepsin B. The drug combination activated the AMP-dependent protein kinase that was causal in enhancing HMG Co A reductase phosphorylation. Collectively, our data reinforce the concept that the irreversible ERBB1/2/4 inhibitor neratinib has the potential for use in the treatment of tumors expressing mutant RAS proteins. PMID- 29219655 TI - Track to the future: historical perspective on the importance of radiation track structure and DNA as a radiobiological target. AB - PURPOSE: Understanding the mechanisms behind induced biological response following exposure to ionizing radiation is not only important in assessing the risk associated with human exposure, but potentially can help identify ways of improving the efficacy of radiotherapy. Over the decades, there has been much discussion on what is the key biological target for radiation action and its associated size. It was already known in the 1930s that microscopic features of radiation significantly influenced biological outcomes. This resulted in the development of classic target theory, leading to field of microdosimetry and subsequently nanodosimetry, studying the inhomogeneity and stochastics of interactions, along with the identification of DNA as a key target. CONCLUSIONS: Ultimately, the biological response has been found to be dependent on the radiation track structure (spatial and temporal distribution of ionization and excitation events). Clustering of energy deposition on the nanometer scale has been shown to play a critical role in determining biological response, producing not just simple isolated DNA lesions but also complex clustered lesions that are more difficult to repair. The frequency and complexity of these clustered damage sites are typically found to increase with increasing LET. However in order to fully understand the consequences, it is important to look at the relative distribution of these lesions over larger dimensions along the radiation track, up to the micrometer scale. Correlation of energy deposition events and resulting sites of DNA damage can ultimately result in complex gene mutations and complex chromosome rearrangements following repair, with the frequency and spectrum of the resulting rearrangements critically dependent on the spatial and temporal distribution of these sites and therefore the radiation track. Due to limitations in the techniques used to identify these rearrangements it is likely that the full complexity of the genetic rearrangements that occur has yet to be revealed. This paper discusses these issues from a historical perspective, with many of these historical studies still having relevance today. These can not only cast light on current studies but guide future studies, especially with the increasing range of biological techniques available. So, let us build on past knowledge to effectively explore the future. PMID- 29219659 TI - Exercise training in patients with congestive heart failure. AB - Preview Inactivity adds to the decline of patients with congestive heart failure (CHF). However, in prescribing exercise in these patients, three principles must be understood: ejection fraction does not predict functional capacity, exercise can bring marked peripheral improvement without changing ejection fraction or hemodynamics, and benefits accrue slowly. The authors review the mechanisms of exercise intolerance in CHF and the factors to keep in mind when designing an exercise program. PMID- 29219656 TI - Modulating secreted components of tumor microenvironment: A masterstroke in tumor therapeutics. AB - The microenvironment in which cancer resides plays an important role in regulating cancer survival, progression, malignancy and drug resistance. Tumor microenvironment (TME) consists of heterogeneous number and types of cellular and non-cellular components that vary in relation to tumor phenotype and genotype. In recent, non-cellular secreted components of microenvironmental heterogeneity have been suggested to contain various growth factors, cytokines, RNA, DNA, metabolites, structural matrix and matricellular proteins. These non-cellular components have been indicated to orchestrate numerous ways to support cancer survival and progression by providing metabolites, energy, growth signals, evading immune surveillance, drug resistance environment, metastatic and angiogenesis cues. Thus, switching action from pro-cancer to anti-cancer activities of these secreted components of TME has been considered as a new avenue in cancer therapeutics and drug resistance. In this report, we summarize the recent pre-clinical and clinical evidences to emphasize the importance of non cellular components of TME in achieving precision therapeutics and biomarker study. PMID- 29219661 TI - A Skunk in Gift Wrapping. PMID- 29219660 TI - Middle ear symptoms while flying. AB - Preview Few people can say they have never experienced some form of pressure related changes while flying. Although uncommon on commercial flights, severe middle ear blocks do occur. Drawing from his experience treating military pilots, Dr Brown discusses the causes of barotrauma, steps that airline passengers can take to prevent it, and methods for treating unrelenting ear block. PMID- 29219662 TI - Words from the Worldly. PMID- 29219663 TI - Common infections of the skin. AB - Preview Can you differentiate a furuncle from a carbuncle? Impetigo contagiosa from impetigo bullosa? Which treatment options are best for folliculitis and cellulitis? In this article, Dr Hacker discusses identification and management of skin infections that are commonly seen by primary care physicians. Helpful color photographs are included. PMID- 29219664 TI - Myofascial pain syndrome. AB - Preview The challenge of myofascial pain syndrome lies not only in the lack of specific accepted diagnostic criteria but also in the difficulty in eliciting specific physical responses. How, then, does the primary care physician approach clinical evaluation and treatment? The author discusses an approach that leads to early, aggressive treatment and an improved prognosis. PMID- 29219665 TI - Juvenile rheumatoid arthritis. AB - Preview What are the three main types of disease presentation in juvenile rheumatoid arthritis, and how do they relate to prognosis? Does infection or heredity play a role in causing the illness? Should aggressive therapy with multiple drugs be instituted early? Which therapeutic agents have the best chance of inducing remission? Dr Tibbitts addresses these and other questions in this overview of a disease that is a significant cause of chronic illness and disability in children. PMID- 29219667 TI - Endothelial biology and ATP-sensitive potassium channels. PMID- 29219666 TI - Coincidence of celiac disease with nongastrointestinal tumors in children. AB - The association of celiac disease (CD) with cancers of gastrointestinal origin has been noted. However, coincidence of CD with nongastrointestinal neoplasms is an unusual event. Here we present five children with concurrent CD and nongastrointestinal neoplasms. All of the patients had positive serologic results for anti-tTG antibodies. Histological investigation of intestinal mucosa showed inflammation (Marsh score = 2) in all the patients. Two of these patients represented with germ cell malignancies. One patient had Wilms' tumor. To our knowledge, these are the first reports of coincidence of these two cancers with CD in children. From the remaining two patients, one was diagnosed with acute lymphoblastic leukemia, and the other with astrocytoma. The diagnosis of malignancy preceded CD diagnosis in all the patients (mean ages of cancer and CD diagnosis of 1.8 and 5.4 years old, respectively). Whether malignancy can promote immune deregulation and predispose to CD is uncertain. On the other hand, undiagnosed celiac may be a risk factor for cancer. Our results suggest a potential association of CD with malignancy nature of CD, however, occurrence of CD may be influenced by various intrinsic and extrinsic factors. There are few reports noting CD as a paraneoplastic condition. Further investigations are necessitated to stablish such relationship. PMID- 29219668 TI - Multispectral imaging reveals hyper active TGF-beta signaling in colorectal cancer. AB - Advances in multiplex immunohistochemistry (IHC) techniques and digital pathology platforms allow quantification of multiple proteins at same tissue section and produce continuous data. TGF-beta signaling plays crucial and complex roles in colorectal cancer (CRC). We here aimed to investigate clinical pathological relevant of proteins involved in TGF-beta signaling at CRC tissues. Multiplex fluorescent IHC was used to quantitative analysis. The levels of eight proteins (TGF-beta1, TGFBRI, TGFBRII, SMAD4, SMAD2/3, p-SMAD2/3, SMAD1/5/9, and p SMAD1/5/9) were determined in TMA sections. Quantitative analysis was carried out by a scoring system by InForm software. It revealed that TGF-beta signaling was hyper active. The levels of TGF-beta1, TGFBRI, TGFBRII, SMAD4, SMAD1/5/9 and p SMAD2/3 were significantly increased in cancer tissues when compared their levels in normal tissues. Furthermore, the levels of eight proteins in stroma were significantly lower than the levels that in cancer tissues. Clinical pathological relevant analysis exhibited that TGF-beta signaling inclined to suppress the progression of tumor. SMAD1/5/9, TGFBRII, SMAD2/3 were confirmed as significant predictors for overall survival. In conclusion, we established a method based on multispectral imaging to extensively explore the clinical relevant of TGF-beta signaling proteins. These results provided an opportunity to consider the novel application for proteins involving TGF-beta signaling that used as diagnostic or prognostic biomarkers to conduct tumor therapy. PMID- 29219669 TI - Metabolic profile elucidation of Zhi-Zi-Da-Huang decoction in rat intestinal bacteria using high-resolution mass spectrometry combined with multiple analytical perspectives. AB - 1. Zhi-Zi-Da-Huang decoction (ZZDHD) has been widely used for the treatment of alcoholic jaundice, alcoholic liver disease, and acute hepatitis in China for thousands of years. Conventionally decoctions are administered orally, after which the metabolism caused by the enzymes in intestinal bacteria may influence significantly on the curative effects or toxicity. 2. In this work, the comprehensive metabolic process of ZZDHD in intestinal bacteria was investigated reliably using high-resolution HPLC-DAD-ESI-TOF/MS. Besides, a novel strategy for major-to-trace metabolites identification which integrated information derived from diagnostic fragment ions, mass spectral similarity filter strategy, dynamic metabolic change of target compounds and relevant behavior in LC-MS was adopted. 3. As a result, 45 compounds, including 26 bio-converted prototypes and 19 newly generated metabolites were detected and tentatively identified. The metabolic profile of ZZDHD in gastro-intestinal was subsequently elucidated. Deglycosylation, oxidation, reduction, acetylation, and ring cleavage were all observed in the biotransformation of the decoction. Among the rest, deglycosylation was found to be the predominant metabolic pathway. 4. The results obtained herein provided a practical strategy for metabolic profile elucidation of traditional herbal medicines. Moreover, it would be helpful to unravel how the oral decoctions play the therapeutic role in vivo. PMID- 29219670 TI - Expanding the use of abiraterone in prostate cancer: Is earlier always better? PMID- 29219671 TI - Idiopathic retroperitoneal fibrosis: a cross-sectional study of 142 Chinese patients. AB - OBJECTIVE: To investigate the epidemiological, clinicolaboratory, imaging, and therapeutic characteristics of idiopathic retroperitoneal fibrosis (iRPF) in China. METHOD: All patients presenting to the Chinese People's Liberation Army General Hospital from October 1996 to July 2016 diagnosed with iRPF were included. Data were collected from medical records and the smoking index was calculated. Scheel radiological classification was used to assess the extent of soft-tissue density. RESULTS: The study included 142 patients (120 men, 22 women). The mean age was 54.3 years. Disease duration ranged from 0.23 to 109.5 months (median 2.7). Current smoking rate was 53.5%. Flank pain was more common in males (p = 0.041) and in the high smoking index group (p = 0.03). C-reactive protein level ranged from 0.08 to 8.9 mg/dL (median 1.9). Serum immunoglobulin G4 (IgG4) was elevated in 31/63 patients (49.2%), and males had higher IgG4 concentrations (p = 0.017) at presentation. Respectively, 44.4%, 5.6%, and 22.5% of cases were classified into Scheel classes I, II, and III. Eight patients (5.6%) had atypical RPF localization and 103 (72.5%) presented with hydronephrosis, which was more common in class III patients (p = 0.04). Nine patients (6.3%) received no treatment; the others received medical (34.5%) or surgical treatment (14.8%), or both (44.4%). CONCLUSIONS: There was a higher rate in males and younger age at disease onset in these Chinese iRPF patients than in other populations. Acute-phase reactants and serum IgG4 were elevated in some patients. Tobacco use may be a risk factor for iRPF in Chinese populations. PMID- 29219672 TI - Diffuse pulmonary infiltrates in immunocompromised patients. AB - Preview The approach to immunocompromised patients with diffuse pulmonary infiltrates has become increasingly complex with the evolution of more intense immunosuppressive therapy. Controversy still exists regarding the use of invasive diagnostic procedures rather than empirical therapy for this heterogeneous group. Dr Staszewski explains the reasons for the uncertainty and recommends an individualized approach that takes into account type of immunosuppression, local resources, physician experience, and patient prognosis. PMID- 29219673 TI - How to help your patients quit smoking. AB - Preview Motivating patients to quit smoking is one of the greatest challenges in medicine. The adverse effects of smoking on a patient's general health and the enormous cost of the habit to society should make smoking cessation a priority for physician intervention. In this article, Dr Wong discusses the addictive properties of nicotine and the consequences of giving it up and outlines a simple four-step approach to behavior modification. PMID- 29219674 TI - Out of Character. PMID- 29219675 TI - Reversing coronary atherosclerosis. AB - Preview Results of recently completed and ongoing trials may change the thinking on how to treat atherosclerosis. For example, even faithful adherence to the American Heart Association step 2 diet may not halt progression of established coronary artery disease. Also, current goals of lipid-lowering therapy may be inadequate to reverse coronary artery narrowings. Dr Kahn describes studies that have used more drastic measures to control hyperlipidemia, the effects of these measures on coronary atherosclerosis, and clinical application of results. PMID- 29219676 TI - Maternal sexual abuse of male children. AB - Preview Sexual abuse of boys by their mothers is being increasingly reported and must be considered in the course of history taking and physical examination. Often there is little objective evidence of such abuse, and only a cluster of signs and risk factors may reveal the victimization. Drs Elliott and Peterson list characteristics that can help physicians identify sexually abusive mothers and sexually abused children; they also discuss how to retrieve a report of abuse from a child and assess its credibility. PMID- 29219677 TI - Rectal cancer. AB - Preview When in rectal cancer surgery can the anal sphincter be spared? For which patients is iliac lymphadenectomy advisable? Should radiation therapy and chemotherapy be given before surgery rather than after? Drs Sexe and Miedema address these and other questions in this discussion of recent advances and future trends in therapy for rectal cancer. PMID- 29219678 TI - 'Clinton & Clinton' Tort Reform. PMID- 29219679 TI - Erythema migrans. AB - Preview Because disseminated Lyme disease can be devastating, early recognition and treatment are important. The presence of erythema migrans offers the best opportunity for early diagnosis. Therefore, public awareness and patient education about the rash of Lyme disease are critical. Dr Masters gives practical pointers from his own experience in evaluation of erythema migrans and reviews current treatment recommendations. PMID- 29219681 TI - Thyroid nodules. AB - Preview Fine-needle aspiration biopsy is not unerring as a diagnostic tool in patients with thyroid nodules, but study has shown that its use has strikingly decreased the necessity for surgery and has almost doubled the number of cancers found at operation. Dr Wool examines the application of the procedure for thyroid nodules and presents a comprehensive algorithm for diagnosis and treatment of these common lesions. PMID- 29219680 TI - Ankylosing spondylitis. AB - Preview Back pain can be a symptom of any number of problems, most commonly mechanical, or structural, in nature. Among the nonmechanical causes is ankylosing spondylitis, an inflammatory disease that involves the spine and sometimes other joints and extra-articular organs. Dr Escalante explains how to differentiate this disease from other causes of back pain, describes simple clinical diagnostic tests, and outlines current treatment. The condition's link with HLA-B27 is also discussed. PMID- 29219682 TI - Thyroid function tests. AB - Preview Use and interpretation of thyroid function tests have long been sources of confusion. New methods for estimating serum free thyroxine levels and development of more sensitive assays for thyrotropin have provided the major advances in thyroid function testing in the past decade. In this article, Dr Kaye examines the newer thyroid function tests and their application in the evaluation of hypothyroidism, hyperthyroidism, and nonthyroidal illness. PMID- 29219683 TI - Subclinical hypothyroidism. AB - Preview What causes subclinical hypothyroidism? How prevalent is it? When is it likely to progress to overt disease? Are clinical abnormalities sometimes present? Answers to these questions, as well as a discussion of treatment approaches, are found in this overview. PMID- 29219684 TI - Oncologic emergencies. AB - Preview A wide variety of medical emergencies may develop in patients with cancer. Some of the more common ones can be anticipated and prevented; others are less predictable, especially those caused by the newer chemotherapy regimens. When emergencies occur, the earlier diagnosis is made and treatment begun, the greater the opportunity for improved quality of life and survival. Dr Neilan focuses on the most timely aspects of management. PMID- 29219685 TI - Management of depression. AB - Preview "Do you feel depressed at times?" "Do you ever feel that life is not worth living?" "Have you ever thought about ending your life?" Asking such questions during history taking may help save the life of a patient struggling with depression. Dr Citrome describes the diagnostic criteria for major depression and discusses current treatment options, including traditional antidepressant drugs and the newer serotonin-reuptake inhibitors. PMID- 29219686 TI - Focal liver lesions. AB - Preview Focal liver lesions are occasionally encountered in clinical practice, either during a directed evaluation in a symptomatic patient or as an incidental finding during radiologic imaging, laparoscope or laparotomy for some other intra abdominal condition. In this article, the first of two, the authors discuss the steps in evaluating cystic focal liver lesions and present a systematic approach to their diagnosis and treatment. A companion article, on page 157, focuses on the management of solid lesions. PMID- 29219687 TI - The 'Food Security Act of 1995. PMID- 29219688 TI - Focal liver lesions. AB - Preview Solid focal lesions of the liver can present numerous diagnostic challenges, and once diagnosis is made, careful decision making is needed to assure cost-effective management. In this article, the authors consider five solid lesions: hemangioma, focal nodular hyperplasia, liver cell adenoma, primary hepatocellular carcinoma, and metastatic cancer. Cystic lesions are assessed in a companion article on page 149. PMID- 29219689 TI - Closing in on Jargon. PMID- 29219690 TI - Calcium channel antagonists. AB - Preview The success of calcium channel antagonists in controlling hypertension, angina pectoris, and arrhythmias is well known. In recent years, second generation agents have been introduced that are also effective against migraine headaches and Raynaud's phenomenon and appear to improve atherosclerosis and congestive heart failure. The authors summarize the characteristics that calcium channel antagonists have in common and describe the specific niche filled by the newer agents, particularly those of the dihydropyridine class. PMID- 29219691 TI - Pediatric HIV infection and the primary care physician. AB - Preview In many children with HIV infection, the disease has a slowly progressive course during the preadolescent years. These children have special healthcare needs because of their increased risk of life-threatening infections and variable immune response to vaccines. In this article, Dr Flynn reviews the many unique aspects of providing medical care for a group whose numbers continue to grow. PMID- 29219692 TI - Opportunistic infections in AIDS patients. AB - Preview The type and course of opportunistic infections in patients with AIDS or high-risk HIV infection have changed through the years as a result of therapeutic intervention. Although Pneumocystis carinii pneumonia is still the most common and serious infection, its incidence is declining at the same time that other AIDS-defining illnesses are on the rise. Dr Hughes examines the management of major opportunistic infections and also of tuberculosis, which is becoming more prevalent in association with HIV infection. PMID- 29219693 TI - Lower Extremity Ischemia. AB - Preview Being able to walk without assistance is integral to preserving quality of life. Losing this ability in later years as a result of ischemic arterial lesions in the legs can be devastating. Primary care physicians are in a good position to detect early problems and advise patients on how to improve the condition or prevent progression. In addition, primary care physicians are an important part of the team needed to manage the most severe, limb-threatening cases. PMID- 29219694 TI - Recurrent pneumococcal meningitis. AB - Preview Recurrent bacterial meningitis can be caused by acquired or congenital gross anatomic defects, foci of infection, or disorders in immune mechanisms. The diagnosis of occult sinus fracture can be a challenge and, as in the patient described here, requires a high index of suspicion when a child has a remote history of head injury and repeated episodes of meningitis. PMID- 29219695 TI - Lactose Intolerance. AB - Preview Lactose intolerance is highly prevalent among certain ethnic populations and should be suspected when evaluating gastrointestinal complaints in members of such groups. The disorder can be associated with many intestinal diseases and with medication use, and in rare instances it is congenital. The authors discuss methods of clinical evaluation and offer basic dietary recommendations for patients with lactose intolerance. PMID- 29219697 TI - The many guises of amyloidosis. AB - Preview Amyloidosis can present in myriad ways and is often confused with other diseases. To help physicians avoid diagnostic pitfalls, Drs Vogelgesang and Klipple describe the various clinical amyloid syndromes, tell what differentiates them, and summarize the effects of amyloid infiltration on various organ systems. They also assess the effectiveness of diagnostic techniques and note the relative ineffectiveness of medications that have been used to treat amyloidosis. PMID- 29219698 TI - Estrogen replacement therapy at menopause. AB - Preview Bone loss and cardiovascular disease are the most important complications of menopause. Because estrogen has been shown to prevent bone loss and also reduce fracture rates in menopausal women, the authors recommend early replacement therapy. They also examine evidence that estrogen replacement may offer these women protection from cardiovascular disease and discuss the risks of estrogen-related endometrial and breast cancer. PMID- 29219699 TI - Two ear problems you may not need to refer. AB - Preview Can you differentiate eczematous otitis externa from fungal otitis externa? Do you know what causes acute otitis externa? How to treat bullous myringitis? An otolaryngologist describes these and other conditions in this article, which is intended to help primary care physicians manage two commonly referred otologic problems and, most importantly, know when to refer patients for subspecialty care. PMID- 29219696 TI - Detailed secondary structure models of invertebrate 7SK RNAs. AB - The 7SK RNA is a small nuclear RNA that is involved in the regulation of Pol-II transcription. It is very well conserved in vertebrates, but shows extensive variations in both sequence and structure across invertebrates. A systematic homology search extended the collection of 7SK genes in both Arthropods and Lophotrochozoa making use of the large number of recently published invertebrate genomes. The extended data set made it possible to infer complete consensus structures for invertebrate 7SK RNAs. These show that not only the well-conserved 5'- and 3'- domains but all the interior Stem A domain is universally conserved. In contrast, Stem B region exhibits substantial structural variation and does not adhere to a common structural model beyond phylum level. PMID- 29219700 TI - Hereditary hemochromatosis. AB - Preview Hereditary hemochromatosis, once believed to be rare, is now known to affect 1 in 250 to 300 people of northern European descent. Untreated, the disorder can have serious complications, but for patients in whom it is discovered and treated early, the prognosis is good. In this guide to diagnosis and management, Drs Olynyk and Bacon discuss, among other things, which patients to screen, what tests to order, length of treatment, effect of treatment on complications, and prognosis. PMID- 29219701 TI - Will Congress Change Hands? PMID- 29219703 TI - A Lifetime of Half-Truths. PMID- 29219702 TI - Congestive heart failure. AB - Preview Patients with congestive heart failure generally have a poor prognosis, and sudden death is common. Concepts of management have changed drastically through the years, in hopes that predisposing factors can be modified. In this article, Drs Hobbs and Czerska give an overview of the problem and examine the status of pharmacologic therapy and various surgical techniques. PMID- 29219704 TI - How to help diabetic patients avoid amputation. AB - Preview Of the 14 million Americans who have diabetes mellitus, more than 2 million will at some point have foot ulcers. The prevalence of this complication, its impact on the activities of daily living, and the cost of treating it make it a problem of immense magnitude. Primary care physicians who emphasize prevention and early treatment of foot ulcers can greatly reduce the likelihood of serious sequelae. This article tells you what to look for in examining the feet, how to advise patients in foot care, and what to do if ulcers occur despite preventive efforts. PMID- 29219705 TI - Transient ischemic attacks. AB - Preview All transient ischemic attacks are not created equal. However, they are a medical emergency, and all patients should be hospitalized for urgent evaluation of their risk for stroke or myocardial infarction. For optimal management, it must be determined whether an ischemic attack affects the anterior or posterior circulation. In this article, the authors review current medical options for stroke prevention and the indications for carotid endarterectomy. PMID- 29219706 TI - Elevated thyroxine levels in a euthyroid patient. AB - Preview Euthyroid hyperthyroxinemia is often misdiagnosed, resulting in inappropriate treatment with ablation or surgical removal of the thyroid gland. Therefore, it is important that primary care physicians be familiar with the causes of this disorder. This case report describes the diagnostic approach taken in one patient and discusses normal thyroid physiology. PMID- 29219707 TI - Carotid artery stenosis. AB - Preview Many patients with significant carotid artery stenosis are candidates for endarterectomy, a procedure now proved to reduce the incidence of future stroke and death. In this article, Drs Jaigobin and Perry describe an approach to patients with both symptomatic and asymptomatic carotid stenosis and review current indications for surgical referral. They also emphasize the importance of recognizing and managing concurrent coronary artery disease. PMID- 29219708 TI - Management of acute stroke. AB - Preview Regardless of cause, acute stroke is a devastating illness that demands immediate treatment to contain neurologic damage, plus long-term management to assure utmost rehabilitation. In this article, the authors describe the features of stroke from various causes and discuss current therapy. PMID- 29219709 TI - Acute renal failure. AB - Preview An abrupt decrease in the kidneys' ability to excrete waste products is a common cause of severe morbidity and death in critically ill patients. This complication may result from prerenal, renal parenchymal, or postrenal causes. The authors describe the clinical and laboratory evaluation of acute renal failure and offer an approach to prevention and appropriate management. PMID- 29219710 TI - SNX1-mediated protein recycling: Piecing together the tissue-specific regulation of arabidopsis iron acquisition. AB - Endomembrane protein trafficking has emerged as important means of regulating stress responses in plants. The Arabidopsis SNX1 protein is involved in recycling the iron transporter IRT1, thus promoting its presence at the plasma membrane. SNX1 and its interacting partners undergo stress-related regulation at both transcriptional and posttranslational level, which may include differential regulation at tissue level. Based on this, we explore the tissue-specific regulation of iron import, specifically concentrating on the factors involved in the expression and recycling of IRT1 in root tissues. We propose that different processes affecting IRT1 regulation may lead to similar outcomes, allowing for fine-tuning iron acquisition and distribution. PMID- 29219711 TI - Insulin therapy and the reluctant patient. AB - Preview When diabetic patients learn that insulin therapy is necessary, they may fee) overwhelmed by anticipated changes in lifestyle. The key to success is to realize that every person with diabetes has individual needs and that these must be assessed, addressed, and accommodated. Better diabetes control will be the result. PMID- 29219712 TI - Kawasaki syndrome. AB - Preview Misdiagnosis of Kawasaki syndrome is common, because some of its signs (eg, unremitting fever, conjunctival injection, rash) resemble viral infection and there are no laboratory tests to establish the diagnosis. Dr Applegate illustrates features of the disease with a case report and summarizes currently favored treatment. She also stresses close follow-up, since Kawasaki syndrome has replaced acute rheumatic fever as the leading cause of acquired heart disease in children. PMID- 29219713 TI - Liver transplantation. AB - Preview How many months of documented abstinence are required before a patient with alcoholic cirrhosis can be considered for liver transplantation? What is the role of liver transplantation as treatment for primary hepatocellular cancer? What are the possible causes of elevated liver enzyme levels following transplantation? Which patients with neurologic injury are potential organ donors? The authors answer these and other questions primary care physicians may have about this lifesaving procedure. PMID- 29219714 TI - Bronchiectasis. AB - Preview A host of congenital and acquired conditions may lead to chronic dilatation of the bronchi, or bronchiectasis. What are the most common clinical signs of the disease? Which diagnostic tests are most helpful in pinpointing the underlying disorder? In this article, Drs Marwah and Sharma address these questions and review treatment options and key elements of prevention. PMID- 29219715 TI - Diagnosis of chest pain. AB - Preview Although electrocardiographic stress tests are valuable in providing prognostic information about patients with coronary artery disease, the author believes that they are often overused in the diagnosis of chest pain. In this article, he presents indications and contraindications to stress testing and discusses cost-effective management strategies. PMID- 29219716 TI - Random Acts of Kindness. PMID- 29219717 TI - Acute inflammation after injury. AB - Preview Although many people know something about the RICE technique to treat musculoskeletal injury, few use it correctly or long enough. As Dr Baumert explains, the sooner inflammation is controlled, the less damage is done and the sooner rehabilitation can begin. He describes appropriate use of physical and medical modifiers in arresting the inflammatory process and proper choice of therapeutic exercises to restore range of motion, strength, and endurance. PMID- 29219718 TI - Shoulder problems in athletes. AB - Preview Because the pathoanatomy of shoulder problems in athletes is becoming better understood, a straightforward approach to diagnosis and treatment based on careful history taking and physical examination is feasible. Imaging techniques are greatly improved, but the clinical examination remains the keystone of management. Most shoulder problems are treated nonoperatively, and athletes are usually able to return to sports quickly and safely. PMID- 29219719 TI - Management of concussion in collision sports. AB - Preview Concussions are common in collision sports, and potentially catastrophic. Team physicians need to be adept at recognizing them and grading their severity. When can an athlete who has experienced a concussion safely return to competition? What clinical findings point to skull fracture? What symptoms call for neuroimaging? Dr Fick addresses these and other questions in this valuable overview aimed at physicians with limited experience in sidelines management of head injuries. PMID- 29219720 TI - Sickle cell disease. AB - Preview Early diagnosis of sickle cell disease enables physicians to initiate prompt treatment and provide appropriate education and counseling for patients and their families. In this article, Dr Burdick reviews the management of major complications of the disorder, discusses the psychosocial impact, and examines the possibilities for cure in the future. PMID- 29219722 TI - Now, Time for Some Changes at AMA? PMID- 29219721 TI - Obsessive-compulsive disorder. AB - Preview Enormous amounts of time and energy may be consumed by persons with obsessive-compulsive disorder, who think distressing thoughts and then feel compelled to act on them repeatedly. How common is obsessive-compulsive disorder? What are its typical clinical presentations? The authors of this article answer these questions and discuss pharmacologic and behavior therapy. PMID- 29219723 TI - On (Holiday) Call. PMID- 29219724 TI - Thrombolysis after acute myocardial infarction. AB - Preview Physicians know that thrombolysis has marked benefits in patients with certain classic findings after acute myocardial infarction. However, some do not realize that thrombolysis has relatively limited risks and can be administered to many more patients than it is at present. The authors review current indications and contraindications and summarize results of major clinical studies that compare currently available thrombolytic agents. PMID- 29219725 TI - Adjuvants to thrombolysis after acute myocardial infarction. AB - Preview In patients who have experienced myocardial infarction, re-occlusion of the affected vessel is disappointingly common. A variety of agents, strategies, and combination approaches have been tried as adjuncts to thrombolysis in an effort to improve left ventricular function, morbidity, and mortality in these patients. The authors summarize findings of these clinical trials, some of which are still under way. PMID- 29219511 TI - Search for Heavy Higgs Bosons A/H Decaying to a Top Quark Pair in pp Collisions at sqrt[s]=8 TeV with the ATLAS Detector. AB - A search for heavy pseudoscalar (A) and scalar (H) Higgs bosons decaying into a top quark pair (tt[over -]) has been performed with 20.3 fb^{-1} of proton proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy sqrt[s]=8 TeV. Interference effects between the signal process and standard model tt[over -] production, which are expected to distort the signal shape from a single peak to a peak-dip structure, are taken into account. No significant deviation from the standard model prediction is observed in the tt[over -] invariant mass spectrum in final states with an electron or muon, large missing transverse momentum, and at least four jets. The results are interpreted within the context of a type-II two-Higgs-doublet model. Exclusion limits on the signal strength are derived as a function of the mass m_{A/H} and the ratio of the vacuum expectation values of the two Higgs fields, tanbeta, for m_{A/H}>500 GeV. PMID- 29219726 TI - Alcoholic hepatitis. AB - Preview Liver damage due to alcohol abuse is a severe condition often leading to cirrhosis or death. Unfortunately, the exact mechanisms involved are not well understood, and traditional treatment options have had limited success in improving morbidity and mortality rates. The authors of this article review recent studies on pathogenesis and discuss the pros and cons of current medical and surgical management. PMID- 29219727 TI - Acute exacerbations of chronic bronchitis. AB - Preview Acute bacterial exacerbations of chronic bronchitis cause considerable morbidity and mortality, particularly in the elderly. Effective antimicrobial therapy results in fewer hospitalizations for respiratory failure and better resolution of symptoms. However, there is growing concern regarding treatment failures caused by resistant organisms. The authors therefore describe the activity of pharmacologic agents from different classes and indicate which ones may be considered primary treatment for this serious condition. PMID- 29219728 TI - Skin signs of systemic disease. AB - Preview Few primary care physicians may have encountered facial trichilemmomas, Gottron's papules, or erythema chronicum migrans in their practice. However, recognition of these skin lesions can be the key to diagnosis of underlying systemic diseases. Drs Holmes and Massa review the diagnostic features of several systemic conditions that have prominent skin signs. PMID- 29219734 TI - Neuromuscular diseases of the gastrointestinal tract. AB - Preview When traditional testing fails to identify a cause of common gastrointestinal problems such as abdominal pain, bloating, and diarrhea, the symptoms are sometimes lumped under a general diagnosis of functional or irritable bowel disease. However, the cause may be a well-defined organic condition, recognizable by its signs and symptoms and by results of more specialized testing. The authors describe mechanisms and characteristics of five neuromuscular diseases, as well as promising therapeutic agents. PMID- 29219731 TI - Methadone maintenance treatment. AB - Preview Substance abuse, particularly injecting drug use, is receiving increased attention because of its role in the spread of AIDS. Methadone maintenance treatment programs help curb the spread by decreasing injecting drug abuse and by offering HIV testing, counseling, and referral for care of infected patients. Drs DeMaria and Weinstein explain how methadone programs work and what primary care physicians need to know to refer their opiate-dependent patients. PMID- 29219732 TI - A practical approach to dizziness. AB - Preview Sorting out a patient's complaint of dizziness can be almost as disorienting to the physician as the dizziness is to the patient. Some of the confusion may be due to the variety of symptoms that often accompany dizziness and the hard-to-describe nature of the symptoms. But another factor may be that physicians lack a systematic approach to the problem. Dr Ruckenstein provides a stepwise method of evaluating dizziness built around a set of pertinent, progressive questions. PMID- 29219733 TI - Reiter's syndrome. AB - Preview Reiter's syndrome is an often overlooked and misdiagnosed complex of symptoms. Patients may not present with the classic triad of symptoms, or they may forget to mention other pertinent manifestations. How can you make an accurate diagnosis? And what is an effective approach to management? Dr Kirchner reviews studies on the epidemiology, causes, and pathogenesis of the syndrome and discusses key factors in clinical evaluation and treatment. PMID- 29219736 TI - Hantavirus pulmonary syndrome. AB - Preview An alarming new disease was first reported in mid-1993, and by late 1994, almost 100 cases had been identified nationwide. Mild prodromal flulike symptoms were followed within days by rapidly progressive respiratory illness and early death. Cooperative efforts of many agencies soon established the cause- a previously unidentified hantavirus. Thus, the disease was named hantavirus pulmonary syndrome. Dr Levy describes the outbreak and summarizes features of the syndrome and recommendations on prevention. PMID- 29219738 TI - Other People's Money. PMID- 29219739 TI - Transesophageal echocardiography. AB - Preview Echocardiography is invaluable in assessing patients with known or suspected cardiac disorders. However, there are often impediments to adequate imaging using the standard transthoracic route (eg, mechanical ventilation, bandages). Transesophageal imaging overcomes many of these technical limitations and, as one researcher notes, provides a "new window to the heart." Drs Peterson and Orsinelli review common clinical applications of the procedure and adjunctive uses. PMID- 29219735 TI - Menstrual dysfunction in athletes. AB - Preview As more and more women participate in competitive sports, disorders of menstrual function and the resultant risk of skeletal injury have become significant concerns. Primary care physicians can have a key role in identifying patients at risk and helping them to stay active while avoiding serious morbidity. Dr DiFiori discusses the relationship between menstrual dysfunction and loss of bone mineral density and offers a practical approach to evaluation and treatment. PMID- 29219737 TI - Eosinophilia of the blood. AB - Preview A patient has an abnormally high concentration of eosinophils in the blood, but initial clinical and laboratory evaluation offers no clues as to the cause. The authors of this article describe such a case and the course of action they took to establish an unexpected diagnosis. Differential diagnosis of eosinophilia is the focus of their discussion. PMID- 29219740 TI - Diagnostic cardiac catheterization. AB - Preview The risks associated with diagnostic cardiac catheterization have declined through the years, but the question remains as to which patients should be referred for the procedure. In this article, Drs Walder and Schaller examine present guidelines for different types of heart disease and also review qualifications for performing cardiac catheterization. PMID- 29219729 TI - Drought stress responses in maize are diminished by Piriformospora indica. AB - As an endophytic fungus of Sebacinales, Piriformospora indica promotes plant growth and resistance to abiotic stress, including drought. Colonization of maize roots promoted the leaf size, root length and number of tap roots. Under drought stress, the maize seedlings profited from the presence of the fungus and performed visibly better than the uncolonized controls. To identify genes and biological processes involved in growth promotion and drought tolerance conferred by P. indica, the root transcriptome of colonized and uncolonized seedlings was analyzed 0, 6 and 12 h after drought stress (20% polyethylene glycol 6000). The number of P. indica-responsive genes increased from 464 (no stress at 0 h) to 1337 (6 h drought) and 2037 (12 h drought). Gene Ontology analyses showed that the carbon and sulfur metabolisms are major targets of the fungus. Furthermore, the growth promoting effect of P. indica is reflected by higher transcript levels for microtubule associated processes. Under drought stress, the fungus improved the oxidative potential of the roots, and stimulated genes for hormone functions, including those which respond to abscisic acid, auxin, salicylic acid and cytokinins. The comparative analyses of our study provides systematic insight into the molecular mechanism how P. indica promotes plant performance under drought stress, and presents a collection of genes which are specifically targeted by the fungus under drought stress in maize roots. PMID- 29219741 TI - Central venous catheters. AB - Preview Placement of a central venous catheter is not without risk. If the tip of the catheter either is inadvertently positioned within the heart or migrates into it, vascular erosions may develop and result in perforation and death. In this article, Dr Kahn gives the advantages and disadvantages of the usual routes of insertion and describes monitoring techniques. He also suggests methods of avoiding initial intracardiac placement. PMID- 29219730 TI - A comprehensive profile of circulating RNAs in human serum. AB - Non-coding RNA (ncRNA) molecules have fundamental roles in cells and many are also stable in body fluids as extracellular RNAs. In this study, we used RNA sequencing (RNA-seq) to investigate the profile of small non-coding RNA (sncRNA) in human serum. We analyzed 10 billion Illumina reads from 477 serum samples, included in the Norwegian population-based Janus Serum Bank (JSB). We found that the core serum RNA repertoire includes 258 micro RNAs (miRNA), 441 piwi interacting RNAs (piRNA), 411 transfer RNAs (tRNA), 24 small nucleolar RNAs (snoRNA), 125 small nuclear RNAs (snRNA) and 123 miscellaneous RNAs (misc-RNA). We also investigated biological and technical variation in expression, and the results suggest that many RNA molecules identified in serum contain signs of biological variation. They are therefore unlikely to be random degradation by products. In addition, the presence of specific fragments of tRNA, snoRNA, Vault RNA and Y_RNA indicates protection from degradation. Our results suggest that many circulating RNAs in serum can be potential biomarkers. PMID- 29219742 TI - Dietary exposure and risk assessment of polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and dioxin-like polychlorinated biphenyls of the population in the Region of Valencia (Spain). AB - Dietary exposure of the Valencia Region population to polychlorinated dibenzo-p dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and PCBs was assessed in the Region of Valencia in 2010-2011. A total of 7700 food samples were collected. Occurrence data were combined with consumption data to estimate dietary exposure in adults (>15 years of age) and young people (6-15 years of age). The estimated intake was calculated by a probabilistic approach. Average intake levels (upper bound scenario) were 1.58 and 2.76 pg toxic equivalent (TEQ) kg-1 body weight (bw) day-1 for adults and young people, respectively. These average intakes are within range of the tolerable daily intake of 1-4 pg WHO-TEQ kg-1 bw day-1 recommended by WHO, and slightly above the tolerable weekly intake (TWI) of 14 pg TEQ kg-1 bw week-1 and the Provisional tolerable monthly intake of 70 pg TEQ kg-1 bw month-1 set by the Scientific Committee on Food and the Joint FAO/WHO Expert Committee on Food, respectively. These results show that the contamination levels in food and therefore the exposure of the general population to PCDD/Fs and PCBs have declined in this region and therefore show the efficiency of the European risk-management measures. In terms of risk characterisation, the results showed that, under the upper-bound scenario, 22% of the adult and 58% of the young people population could exceed the TWI. PMID- 29219743 TI - Building a polysaccharide hydrogel capsule delivery system for control release of ibuprofen. AB - Development of a delivery system which can effectively carry hydrophobic drugs and have pH response is becoming necessary. Here we demonstrate that through preparation of beta-cyclodextrin polymer (beta-CDP), a hydrophobic drug molecule of ibuprofen (IBU) was incorporated into our prepared beta-CDP inner cavities, aiming to improve the poor water solubility of IBU. A core-shell capsule structure has been designed for achieving the drug pH targeted and sustained release. This delivery system was built with polysaccharide polymer of Sodium alginate (SA), sodium carboxymethylcellulose (CMC) and hydroxyethyl cellulose (HEC) by physical cross-linking. The drug pH-response control release is this hydrogel system's chief merit, which has potential value for synthesizing enteric capsule. Besides, due to our simple preparing strategy, optimal conditions can be readily determined and the synthesis process can be accurately controlled, leading to consistent and reproducible hydrogel capsules. In addition, phase solubility method was used to investigate the solubilization effect of IBU by beta-CDP. SEM was used to prove the forming of core and shell structure. FT-IR and 1H-NMR were also used to perform structural characteristics. By the technique of UV determination, the pH targeted and sustained release study were also performed. The results have proved that our prepared polysaccharide hydrogel capsule delivery system has potential applications as oral drugs delivery in the field of biomedical materials. PMID- 29219744 TI - N-nitrosamines migrating from food contact materials into food simulants: analysis and quantification by means of HPLC-APCI-MS/MS. AB - It was the aim of the work described here to develop a validated analytical method for the determination of N-nitrosamines in food simulants. Here, we present the validation of a liquid chromatography-atmospheric pressure chemical ionisation-tandem mass spectrometry method for the determination of 13 N nitrosamines in the food simulants deionised water, 3% acetic acid and 10% ethanol. Method validation encompassed linearity, LOD, LOQ, recovery, precision and stability of the N-nitrosamines. The method was found to be sufficiently rugged and suitable for routine analysis. In addition, the developed method is on average 10 times more sensitive than the gas chromatography-thermal energy analyser (GC-TEA) method that is currently stipulated in Recommendation XXI for commodities based on natural and synthetic rubber issued by the German Federal Institute for Risk Assessment (BfR). The developed method was applied to determine the N-nitrosamine contents in migration solutions of 12 elastomer samples covering a range of different elastomer types. In 10 out of 12 samples, N nitrosamines were determined. In most samples, the guidance value of 1 ug/dm2 specified in BfR Recommendation XXI was not exceeded. In conclusion, the analytical method presented here offers a useful alternative to the GC-TEA method currently stipulated in BfR Recommendation XXI. This is of wider relevance, since BfR recommendations are used for compliance assessment of Article 3, paragraph 1 a of the Regulation (EC) No. 1935/2004 with respect to their health safety. PMID- 29219745 TI - Corrigendum: Childhood Adversity, Self-Esteem, and Diurnal Cortisol Profiles Across the Life Span. AB - Original article: Zilioli, S., Slatcher, R. B., Chi, P., Li, X., Zhao, J., & Zhao, G. (2016). Childhood adversity, self-esteem, and diurnal cortisol profiles across the life span. Psychological Science, 27, 1249-1265. doi:10.1177/0956797616658287. PMID- 29219746 TI - Development of two surgical approaches to the pituitary gland in the Horse. AB - BACKGROUND: Current treatment of equine pituitary pars intermedia dysfunction (PPID) requires daily oral medication. Minimally invasive surgical palliation of this condition is appealing as a single treatment to alleviate the clinical signs of disease, dramatically improving the welfare of the horse. OBJECTIVE: To develop a surgical approach to the equine pituitary gland, for subsequent treatment of PPID. STUDY DESIGN: A cadaver study to develop methodology and a terminal procedure under anaesthesia in the most promising techniques. ANIMALS AND METHODS: Four surgical approaches to the pituitary gland were investigated in cadaver animals. A ventral trans-basispheniodal osteotomy and a minimally invasive intravenous approach via the ventral cavernous sinus progressed to live horse trials. RESULTS: Technical complications prevented the myeloscopic and trans-sphenopalatine sinus techniques from being successful. The ventral basisphenoidal osteotomy was repeatable and has potential if an intra-operative imaging guidance system could be employed. The minimally invasive approach was repeatable, atraumatic and relatively inexpensive. CONCLUSIONS: A minimally invasive surgical approach to the equine pituitary gland is possible and allows for needle placement within the target tissue. More work is necessary to determine what that treatment might be, but repeatable access to the gland has been obtained, which is a promising step. PMID- 29219747 TI - Using magnetic materials to harvest microalgal biomass: evaluation of harvesting and detachment efficiency. AB - Using naked iron oxide (Fe3O4) and yttrium iron oxide (Y3Fe5O12) nanoparticles as flocculants, the harvesting efficiency of Chlorella vulgaris biomass was investigated. The harvesting process includes two steps, which are the separation of microalgae from the culture solution with the magnetic nanoparticles and then the separation of the algae from the magnetic nanoparticles. The optimal dosages and pH values for the magnetic harvesting of microalgal biomass were determined. Results showed that Y3Fe5O12 nanoparticles were more efficient in microalgal biomass harvesting than Fe3O4 nanoparticles. In an effort to achieve more than 90% of harvesting efficiency, optimal dosages for Fe3O4 and Y3Fe5O12 to harvest microalgal biomass were 10 and 2.5 g/L, while the appropriate pH values were 6.2 and 7.3, respectively. The harvesting efficiency of Fe3O4 and Y3Fe5O12 nanoparticles increased as the pH value decreased. The experimental results also showed that under a higher pH value Fe3O4 nanoparticles were much easier to be separated from the flocs than Y3Fe5O12. 62.9% of Fe3O4 nanoparticles could be de attached from the aggregates, when the floc pH value reached 12.3. PMID- 29219749 TI - Moving toward a universally accessible web: Web accessibility and education. AB - The World Wide Web is an extremely powerful source of information, inspiration, ideas, and opportunities. As such, it has become an integral part of daily life for a great majority of people. Yet, for a significant number of others, the internet offers only limited value due to the existence of barriers which make accessing the Web difficult, if not impossible. This article illustrates some of the reasons that achieving equality of access to the online world of education is so critical, explores the current status of Web accessibility, discusses evaluative tools and methods that can help identify accessibility issues in educational websites, and provides practical recommendations and guidelines for resolving some of the obstacles that currently hinder the achievability of the goal of universal Web access. PMID- 29219748 TI - Symmetric Objects Become Special in Perception Because of Generic Computations in Neurons. AB - Symmetry is a salient visual property: It is easy to detect and influences perceptual phenomena from segmentation to recognition. Yet researchers know little about its neural basis. Using recordings from single neurons in monkey IT cortex, we asked whether symmetry-being an emergent property-induces nonlinear interactions between object parts. Remarkably, we found no such deviation: Whole object responses were always the sum of responses to the object's parts, regardless of symmetry. The only defining characteristic of symmetric objects was that they were more distinctive compared with asymmetric objects. This was a consequence of neurons preferring the same part across locations within an object. Just as mixing diverse paints produces a homogeneous overall color, adding heterogeneous parts within an asymmetric object renders it indistinct. In contrast, adding identical parts within a symmetric object renders it distinct. This distinctiveness systematically predicted human symmetry judgments, and it explains many previous observations about symmetry perception. Thus, symmetry becomes special in perception despite being driven by generic computations at the level of single neurons. PMID- 29219751 TI - Patent highlights August-September 2017. AB - A snapshot of noteworthy recent developments in the patent literature of relevance to pharmaceutical and medical research and development. PMID- 29219750 TI - A role for histone acetylation in regulating transcription elongation. AB - Recently, we reported that a major function of histone acetylation at the yeast FLO1 gene was to regulate transcription elongation. Here, we discuss possible mechanisms by which histone acetylation might regulate RNA polymerase II processivity, and comment on the contribution to transcription of chromatin remodelling at gene coding regions and promoters. PMID- 29219752 TI - Negative surgical exploration in patients with Cushing's disease: benefit of two thirds gland resection on remission rate and a review of the literature. AB - OBJECTIVE The authors report their single-institution experience with the pathological findings, rates of remission, and complications in patients with presumed Cushing's disease (CD) who underwent a two-thirds pituitary gland resection when no adenoma was identified at the time of transsphenoidal surgery (TSS). The authors also review the literature on patients with CD, negative surgical exploration, and histological findings. METHODS This study is a retrospective analysis of cases found in neurosurgery and pathology department databases between 1989 and 2011. In all cases, patients had been operated on by the same neurosurgeon (K.O.L.). Twenty-two (13.6%) of 161 patients who underwent TSS for CD had no adenoma identified intraoperatively after systematic exploration of the entire gland; these patients all underwent a two-thirds pituitary gland resection. A chart review was performed to assess treatment data points as well as clinical and biochemical remission status. RESULTS Of the 22 patients who underwent two-thirds gland resection, 6 (27.3%) ultimately had lesions found on final pathology. All 6 patients were found to have a distinct adrenocorticotropic hormone (ACTH) cell adenoma. Sixteen (72.7%) of the patients had no tumor identified, with 3 of these patients suspected of having ACTH cell hyperplasia. The follow-up duration for the entire group was between 14 and 315 months (mean 98.9 months, median 77 months). Remission rates were 100% (6/6 patients) for the ACTH cell adenoma group and 75% (12/16) for the group without adenoma. Overall, 18 (81.8%) of the 22 patients had no evidence of hypercortisolism at last follow-up, and 4 patients (18%) had persistent hypercortisolism, defined as a postoperative cortisol level > 5 MUg/dl. Of these 4 patients, 1 was suspected of harboring a cavernous sinus adenoma, 2 were found to have lung tumors secreting ACTH, and 1 remained with an undiagnosed etiology. Rates of postoperative complications were low. CONCLUSIONS The diagnosis and treatment of CD can be challenging for neurosurgeons, endocrinologists, and pathologists alike. Failure to find a discrete adenoma at the time of surgery occurs in at least 10%-15% of cases, even in experienced centers. The current literature provides little guidance regarding rational intraoperative approaches in such cases. The authors' experience with 161 patients with CD, when no intraoperative tumor was localized, demonstrates the utility of a two-thirds pituitary gland resection with a novel and effective surgical strategy, as suggested by a high initial remission rate and a low operative morbidity. PMID- 29219753 TI - Resection of primary motor cortex tumors: feasibility and surgical outcomes. AB - OBJECTIVE: Brain tumors involving the primary motor cortex are often deemed unresectable due to the potential neurological consequences that result from injury to this region. Nevertheless, we have challenged this dogma for many years and used asleep, as well as awake, intraoperative stimulation mapping to maximize extent of resection. It remains unclear whether these tumors can be resected with acceptable morbidity, whether performing the surgery with the patient awake or asleep impacts extent of resection, and how stimulation mapping influences outcomes. METHODS: A retrospective chart review was performed on the senior author's cohort to identify patients treated between 1998 and 2016 who underwent resection of tumors that were located within the primary motor cortex. Clinical notes, operative reports, and radiographic images were reviewed to identify intraoperative stimulation mapping findings and functional outcomes following tumor resection. Extent of resection was quantified volumetrically. Characteristics of patients were analyzed to identify factors associated with postoperative motor deficits. RESULTS: Forty-nine patients underwent 53 resections of tumors located primarily within the motor cortex. Stimulation mapping was performed in all cases. Positive cortical sites for motor response were identified in 91% of cases, and subcortical sites in 74%. Awake craniotomy was performed in 65% of cases, while 35% were done under general anesthesia. The mean extent of resection was 91%. There was no statistically significant difference in extent of resection in cases done awake compared with those done under general anesthesia. New or worsened postoperative motor deficits occurred in 32 patients (60%), and 20 patients (38%) had a permanent deficit. Of the permanent deficits, 14 were mild, 4 were moderate, and 2 were severe (3.8% of cases). Decreased intraoperative motor response and diffusion restriction on postoperative MRI were associated with permanent deficit. Awake motor mapping surgery was associated with increased diffusion signal on postoperative MRI. CONCLUSIONS: Resection of tumors from the primary motor cortex is associated with an increased risk of motor deficit, but most of these deficits are transient or mild and have little functional impact. Excellent extent of resection can be achieved with intraoperative stimulation mapping, suggesting that these tumors are indeed amenable to resection and should not be labeled unresectable. Injury to small perforating or en passage blood vessels was the most common cause of infarction that led to moderate or severe deficits. Awake motor mapping was not superior to mapping done under general anesthesia with regard to long-term functional outcome. PMID- 29219754 TI - Shunt scissors: technical note. AB - OBJECTIVE When performing ventriculoperitoneal shunt surgery it is necessary to create a subgaleal pocket that is of sufficient size to accommodate a shunt valve. In most cases the valve is placed over the posterior skull where the galea begins to transition to suboccipital neck fascia. Dense fibrous attachments in this region of the skull make it technically awkward to develop the subgaleal valve pocket using standard scissors and a blunt dissection technique. In this report the authors describe a new device that enables surgeons to create the shunt valve pocket by using a simple semi-sharp dissection technique. METHODS The authors analyzed the deficiencies of the standard valve pocket dissection technique and designed shunt scissors that address the identified shortcomings. These new scissors allow the surgeon to sharply dissect the subgaleal space by using an efficient hand-closing maneuver. RESULTS Standard surgical scissors were modified to create shunt scissors that were tested on the benchtop and used in the operating room. In all cases the shunt scissors proved easy to use and allowed the efficient and reliable creation of a subgaleal valve pocket in a technically pleasing manner. CONCLUSIONS Shunt scissors represent an incremental technical advance in the field of neurosurgical shunt operations. PMID- 29219755 TI - Mitochondrial abnormalities related to the dysfunction of circulating endothelial colony-forming cells in moyamoya disease. AB - OBJECTIVE Moyamoya disease (MMD) is a unique cerebrovascular disorder characterized by the progressive occlusion of the bilateral internal carotid arteries. Endothelial colony-forming cells (ECFCs), previously termed "endothelial progenitor cells," play an important role in the pathogenesis of MMD. In this study, the authors performed morphological and functional studies of the mitochondria of ECFCs from patients with MMD to present new insights into the pathogenesis of the disease. METHODS The morphology of ECFCs from 5 MMD patients and 5 healthy controls was examined under both a transmission electron microscope and a confocal laser scanning microscope. The oxygen consumption rates (OCRs), mitochondrial membrane potentials (MMPs), intracellular Ca2+ concentrations, mitochondrial enzyme activities, and reactive oxygen species (ROS) levels were measured. Functional activity of the ECFCs was evaluated using a capillary tube formation assay. RESULTS The ECFCs from the MMD patients displayed a disrupted mitochondrial morphology, including a shorter and more circular shape. The ECFC mitochondria from the MMD patients exhibited functional abnormalities, which were assessed as a decreased OCR and an increased intracellular Ca2+ concentration. Moreover, the ECFCs from MMD patients showed increased ROS levels. Interestingly, treatment with an ROS scavenger not only reversed the mitochondrial abnormalities but also restored the angiogenic activity of the ECFCs from the MMD patients. CONCLUSIONS The mitochondria of ECFCs from MMD patients, as compared with those from healthy patients, exhibited morphological and functional abnormalities. This finding suggests that the mitochondrial abnormalities may have a role in the pathogenesis of MMD. PMID- 29219756 TI - Awake perimetry testing for occipital epilepsy surgery. AB - In the literature, there are few reports that provide a detailed account on the technique of visual electrocortical stimulation in the setting of resective surgery for occipital epilepsy. In this technical note, the authors describe how a 26-year-old male with long-standing occipital epilepsy underwent resective surgery under awake conditions, using electrocortical stimulation of the occipital lobe, with the aid of a laser pointer and a perimetry chart on a stand within his visual field. The eloquent primary visual cortex was found to overlap with the seizure onset zone that was previously determined with subdural electrodes. A maximum functionally safe resection was performed, rendering the patient seizure free as of his last follow-up at 20 months, with no visual field impairment. PMID- 29219757 TI - Spinal accessory nerve to triceps muscle transfer using long autologous nerve grafts for recovery of elbow extension in traumatic brachial plexus injuries. AB - Despite continuous improvement and expansion of reconstructive options for traumatic brachial plexus injury, options to reinnervate the triceps muscle remain somewhat sparse. This study describes a novel option, using a spinal accessory nerve transfer to the long head of the triceps muscle with an intervening autologous nerve graft. The resulting quality of elbow extension and factors that influence outcome are discussed. PMID- 29219758 TI - The use of alternatives to clopidogrel in flow-diversion treatment with the Pipeline embolization device. AB - OBJECTIVE Thromboembolic complications continue to be encountered with Pipeline embolization devices (PEDs) despite routine clopidogrel/aspirin antiplatelet therapy. This study examined the safety and efficacy of prasugrel in the management of clopidogrel-resistant patients treated for cerebral aneurysms. METHODS Four hundred thirty-seven consecutive patients were identified between January 2011 and May 2016. Patients allergic, or having less than 30% platelet inhibition, to a daily 75-mg dose of clopidogrel received 10 mg of prasugrel daily (n = 20) or 90 mg of ticagrelor twice daily (n = 2). The mean (+/- SD) follow-up duration was 15.8 +/- 12.4 months. The primary outcome was the modified Rankin Scale (mRS) score registered before discharge and at each follow-up visit. To control confounding, multivariable mixed-effects logistic regression and propensity score conditioning were used. RESULTS Twenty-six (5.9%) of 437 patients presented with a subarachnoid hemorrhage (SAH). The mean patient age was 56.3 years, and 62 were women (14.2%). One of the 7 patients lost to follow-up received prasugrel. One patient was allergic to clopidogrel and prasugrel simultaneously. All patients receiving prasugrel or ticagrelor (n = 22) had an mRS score <= 2 on their latest follow-up visit (mean score 0.67 +/- 1.15). In a multivariate analysis, clopidogrel did not affect the mRS score on last follow-up (p = 0.14). Multivariable logistic regression showed that clopidogrel was not associated with an increased long-term recurrence rate (OR 0.17, 95% CI 0.01 2.70, p = 0.21), an increased thromboembolic complication rate (OR 0.46, 95% CI 0.12-1.67, p = 0.24), or an increased hemorrhagic event rate (OR 0.39, 95% CI 0.91-1.64, p = 0.20). None of the patients receiving prasugrel or ticagrelor died or suffered a long-term recurrence or a hemorrhagic event; only 1 patient suffered from mild aphasia subsequent to a thromboembolic event. Three patients taking clopidogrel died during the study: 2 from acute SAH and 1 from intraparenchymal hemorrhage. Clopidogrel was not associated with an increased mortality rate (OR 2.18, 95% CI 0.11-43.27, p = 0.61). The same associations were present in propensity score-adjusted models. CONCLUSIONS In a cohort of patients treated with PEDs, prasugrel (10 mg/day) was a safe alternative to clopidogrel resistant or clopidogrel-allergic patients, or nonresponders. PMID- 29219759 TI - Does the obesity paradox predict functional outcome in intracerebral hemorrhage? AB - OBJECTIVE Being overweight or mildly obese has been associated with a decreased risk of death or hospitalization in patients with cardiovascular disease. Similarly, overweight patients admitted to an intensive care unit (ICU) have improved survival up to 1 year after admission. These counterintuitive observations are examples of the "obesity paradox." Does the obesity paradox exist in patients with intracerebral hemorrhage (ICH)? In this study the authors examined whether there was an association between obesity and functional outcome in patients with ICH. METHODS The authors analyzed 202 patients admitted to the neurological ICU (NICU) who were prospectively enrolled in the Columbia University ICH Outcomes Project between September 2009 and December 2012. Patients were categorized into 2 groups: overweight (body mass index [BMI] >= 25 kg/m2) and not overweight (BMI < 25 kg/m2). The primary outcome was defined as survival with favorable outcome (modified Rankin Scale [mRS] score 0-3) versus death or severe disability (mRS score 4-6) at 3 months. RESULTS The mean age of the patients in the study was 61 years. The mean BMI was 28 +/- 6 kg/m2. The mean Glasgow Coma Scale score was 10 +/- 4 and the mean ICH score was 1.9 +/- 1.3. The overall 90-day mortality rate was 41%. Among patients with a BMI < 25 kg/m2, 24% (17/70) had a good outcome, compared with 39% (52/132) among those with a BMI >= 25 kg/m2 (p = 0.03). After adjusting for ICH score, sex, do-not-resuscitate code status, and history of hypertension, being overweight or obese (BMI >= 25 kg/m2) was associated with twice the odds of having a good outcome compared with patients with BMI < 25 kg/m2 (adjusted odds ratio 2.05, 95% confidence interval 1.03-4.06, p = 0.04). CONCLUSIONS In patients with ICH admitted to the NICU, being overweight or obese (BMI >= 25 kg/m2) was associated with favorable outcome after adjustment for established predictors. The reason for this finding requires further study. PMID- 29219760 TI - Direct visualization of microcirculation impairment after acute subdural hemorrhage in a novel animal model. AB - OBJECTIVE: Direct brain compression and secondary injury due to increased intracranial pressure are believed to be the pathognomic causes of a grave outcome in acute subdural hemorrhage (aSDH). However, ischemic damage from aSDH has received limited attention. The authors hypothesized that cerebral microcirculation is altered after aSDH. Direct visualization of microcirculation was conducted in a novel rat model. METHODS: A craniectomy was performed on each of the 18 experimental adult Wistar rats, followed by superfusion of autologous arterial blood onto the cortical surface. Changes in microcirculation were recorded by capillary videoscopy. Blood flow and the partial pressure of oxygen in the brain tissue (PbtO2) were measured at various depths from the cortex. The brain was then sectioned for pathological examination. The effects of aspirin pretreatment were also examined. RESULTS: Instantaneous vasospasm of small cortical arteries after aSDH was observed; thrombosis also developed 120 minutes after aSDH. Reductions in blood flow and PbtO2 were found at depths of 2-4 mm. Blood-brain barrier disruption and thrombi formation were confirmed using immunohistochemical staining, while aspirin pretreatment reduced thrombosis and the impairment of microcirculation. CONCLUSIONS: Microcirculation impairment was demonstrated in this aSDH model. Aspirin pretreatment prevented the diffuse thrombosis of cortical and subcortical vessels after aSDH. PMID- 29219761 TI - The fate of nitrite and nitrate during anaerobic digestion. AB - Anaerobic digestion is widely used to produce renewable energy. However, the main drawback is the limited conversion efficiency of organic matter. Applying an advanced oxidation process as a digestate post-treatment is able to increase this conversion efficiency but will also lead to the oxidation of ammonium to nitrite or nitrate. In this lab-scale study, the fate of the latter in the digester was investigated. Nitrite and nitrate were therefore added in concentrations that could arise from rate-limiting ammonium concentrations (1.25-5 g L-1 N). The study clearly demonstrated that nitrite and nitrate were denitrified during the subsequent digestion process resulting in the formation of nitrogen gas. After a concentration-dependent adaptation period, in which some biogas was produced, the added nitrite was denitrified in amounts proportional to the amounts of electron donor present. This denitrification, however, strongly reduces the possibility that Anammox bacteria can develop. Nitrate was also denitrified in amounts proportional to the amounts of electron donor, but biogas production was not completely blocked in this case. Moreover, high concentrations of nitrite and nitrate inhibited their own denitrification. The methane formed was used as electron donor for the further denitrification of nitrate and nitrite when no other readily available electron donor was present. After addition of either nitrite or nitrate and their denitrification, the biogas production did not recover properly. PMID- 29219762 TI - Establishing the critical role of peripheral blood vessel colonisation by Neisseria meningitidis in invasive meningococcal disease. AB - In this issue of Virulence, Capel and colleagues describe the use of a unique humanised mouse model to elucidate specific interactions between Neisseria meningitidis and human endothelial cells during blood-borne infection in vivo. Here, a number of the key findings from their study and their implications for our understanding of invasive meningococcal disease are explored. PMID- 29219763 TI - Reviews. PMID- 29219765 TI - Forthcoming events. PMID- 29219535 TI - Search for Dark Matter Produced in Association with a Higgs Boson Decaying to bb[over -] Using 36 fb^{-1} of pp Collisions at sqrt[s]=13 TeV with the ATLAS Detector. AB - Several extensions of the standard model predict associated production of dark matter particles with a Higgs boson. Such processes are searched for in final states with missing transverse momentum and a Higgs boson decaying to a bb[over ] pair with the ATLAS detector using 36.1 fb^{-1} of pp collisions at a center of-mass energy of 13 TeV at the LHC. The observed data are in agreement with the standard model predictions and limits are placed on the associated production of dark-matter particles and a Higgs boson. PMID- 29219767 TI - Hirsutism and virilization. AB - Preview The appearance of unwanted body hair in a woman is often the result of a benign condition requiring medical and cosmetic therapy only. However, sometimes, especially when accompanied by features of virilization, hirsutism signals an ovarian or adrenal tumor. The authors define the broad categories of causes and review treatment options, from weight loss to surgical intervention. PMID- 29219766 TI - Development and validation of multi-residue and multi-class method for antibacterial substances analysis in non-target feed by liquid chromatography - tandem mass spectrometry. AB - A confirmatory HPLC-MS/MS method for the determination of residues of 11 antibacterial substances from different therapeutic class (beta-lactams, lincosamides, fluoroquinolones, macrolides, pleuromutilins and sulfonamides) in animal feeds has been developed. The sample preparation is based on extraction with 0.1% formic acid in acetonitrile. Separation of the analytes was performed on biphenyl column with a gradient of 0.1% formic acid in acetonitrile and 0.1% formic acid in Milli-Q water. The developed method was validated following the guidelines included in the European Union Commission Decision 2002/657/EC. Limits of detection ranging from 79.22 to 193.60 ug/kg; instrumental and analytical linearity coefficients were above 0.99 for matrix-match calibration; and relative recoveries ranging from 76.04% to 117.39%. Repeatability of the method was in the range of 2.41-19.76% (CV, %), whereas reproducibility ranged from 6.52 to 28.40% (CV %). The method shown to be efficient and precise for quantification of the 11 antibacterial substances in animal feed. The results demonstrate the feasibility of the method for routine use to monitor these substances in feed. The validated method was successfully applied to eight suspect feed samples collected from the Association of American Feed Control Officials (AFFCO) and feed manufactures from Galicia (Spain) in June and July 2017. Of these 8 non-target feeds, 5 were positive for the presence of tiamulin, tylosin and sulfadiazine. PMID- 29219768 TI - Institutional placement for patients with Alzheimer's disease. AB - Preview Families of patients with Alzheimer's disease often want guidance from the patient's physician on whether to put the patient in an institution. When is institutional placement indicated? What types of facilities are available? What should family members took for in a facility before and after placement? Dr Pfeiffer provides the answers to these and other questions raised by families facing this difficult decision. PMID- 29219773 TI - Polymyalgia rheumatica or Lyme disease? AB - Preview The presentation of Lyme disease may resemble that of polymyalgia rheumatica. What's more, the latter may occur in patients who have positive serologic findings for the former. In this case report, the author describes differential diagnosis in an elderly patient whose rheumatic complaints and blood chemistry profile alone could easily have led to misdiagnosis. Important points in evaluation and treatment are discussed. PMID- 29219772 TI - Venous thrombosis. AB - Preview The list of recognized risk factors for deep venous thrombosis and pulmonary embolism is formidable. Classic findings of edema, warmth, erythema, and tenderness are often absent. A clinical impression of deep venous thrombosis is correct only 50% of the time and must be confirmed with imaging studies. Management includes thrombolysis, surgical thrombectomy and, in some cases, lifelong use of anticoagulants. PMID- 29219775 TI - Acute pulmonary embolism. AB - Preview According to the authors, acute pulmonary embolism can never be considered clinically insignificant. Many patients die before reaching medical help, but appropriate therapy for those who survive may greatly reduce the potential for sudden death and long-term morbidity. This article describes the proper steps in the management of both stable and unstable acute pulmonary embolism. PMID- 29219777 TI - Carpal tunnel syndrome. AB - Preview Data entry, bar-code scanning at a grocery store checkout, playing the drums-these are all activities that may precipitate carpal tunnel syndrome, the most common entrapment neuropathy. Beyond cessation of repetitive wrist motions, treatment options range from corticosteroid injection to surgical intervention. Which form of therapy is best for your patient? Which tests are most useful in clinical evaluation? The authors address these questions in this overview of diagnosis and treatment. PMID- 29219778 TI - Chronic pulmonary embolism. AB - Preview Patients with chronic thromboembolic pulmonary hypertension have nonspecific complaints, and their disease is often not recognized until it is far advanced. Because medical management does not reverse the effects of the disease or prevent progression, pulmonary endarterectomy by an experienced surgical team is currently the preferred treatment. However, the risks of surgery are substantial and must be weighed against the probable benefit. PMID- 29219770 TI - Hypercalcemia. AB - Preview An elevated serum calcium level requires thorough investigation. Is hyperparathyroidism at the root of the abnormality? Malignant disease? Vitamin toxicity? In this article, Dr Kaye discusses clinical evaluation of hypercalcemia and outlines pharmacologic therapy, surgical intervention, and other treatment options that help to restore normocalcemia. PMID- 29219769 TI - Cytomegalovirus retinitis in persons with AIDS. AB - Preview Almost one third of persons with AIDS acquire retinitis caused by the opportunistic cytomegalovirus (CMV). Both ganciclovir and foscamet have been approved for treatment of CMV retinitis and are equally effective. However, their side effects are not the same, and each may have a different impact on the overall course of HIV infection and AIDS. The drug chosen should be administered promptly when sight-threatening disease is diagnosed to ensure maximal vision for the longest time. PMID- 29219774 TI - Checks that Bounce. PMID- 29219771 TI - Otitis media with effusion in infants and children. AB - Preview A crabby infant or a toddler pulling at his or her ears is a fairly common sight in a primary care office, and a 10-day course of antibiotics often does the trick. But what should you do when this doesn't work? And what if symptoms seem to resolve but effusion continues? The authors describe acute and chronic otitis media, explain how to diagnose and treat patients to avoid lifelong problems, and suggest when to call in an otolaryngologist. PMID- 29219776 TI - Suspected pulmonary embolism. AB - Preview Pulmonary embolism, a common complication off deep venous thrombosis that may cause sudden death or chronic disability is notoriously difficult to diagnose. It may be silent, or it may mimic precisely the typical presentation of numerous other diseases. In this article, the authors describe the classic signs and symptoms and discuss current procedures that must be used in evaluation. They also provide a work sheet to aid physicians in the clinical application of ventilation-perfusion scan results. PMID- 29219779 TI - Metastases of spinal myxopapillary ependymoma: unique characteristics and clinical management. AB - OBJECTIVE Myxopapillary ependymoma is a benign WHO Grade I tumor most commonly located in the conus-cauda equina region of the spine. Although this tumor is defined by an overall excellent survival, dissemination throughout the whole neuraxis occurs frequently. The current study evaluated the clinical characteristics and significance of myxopapillary ependymoma metastases. METHODS Patients who underwent surgery from 2005 to 2015 for treatment of spinal myxopapillary ependymoma were included in the study. Charts were reviewed for primary tumor symptoms and initial treatment, local recurrence, response to salvage therapy, and presence and behavior of distant metastases. RESULTS Nineteen patients with spinal myxopapillary ependymoma were included in the study (52.6% female). The median age at first diagnosis was 32 years old (range 9-58 years old), and 26.3% were <= 18 years old. The median follow-up of all included patients was 48 months (range 6-456 months). Of the primary tumors, 84.2% were located in the lower thoracic or upper lumbar spine, spanning 1-3 levels in 94.7%. All patients underwent surgery for initial treatment: in 78.9% a gross total resection (GTR) was achieved, with adjuvant radiation therapy (RT) in 20%. Of the 21.2% who underwent a subtotal resection (STR), 75% underwent postoperative RT. Tumor progression was noted in 26.3% of patients after a median 36-month follow-up (range 12-240 months). In 57.9% of patients, distant metastases were found, of which 36.4% were present at initial diagnosis. Further metastases occurred within a median of 20 months (range 2-360 months). Following a diagnosis of metastatic tumor, 72.7% did not show progression and no symptoms were observed during a median follow-up of 36 months (range 6-216 months). Metastases occurred in all parts of the neuroaxis, but were principally localized in the thoracic and sacral spine in 38.9% and 33.3%, respectively; the brain was involved in 11.1%. In 54.5%, more than 1 level was affected. Overall survival was 100% with an excellent clinical and neurological outcome in 78.9% of cases. CONCLUSIONS Metastatic dissemination within the CNS can be observed in many patients with myxopapillary ependymoma. GTR of the primary tumor should be the primary treatment goal, and additional RT is recommended after STR. For distant metastases of myxopapillary ependymoma without clinical manifestation, close clinical and MRI follow-up represents a sufficient strategy because most of the metastases remain asymptomatic and do not show progression over time. Additional resection or irradiation as salvage therapy would be recommended if metastases become symptomatic. PMID- 29219780 TI - Anatomical and technical factors associated with superior facet joint violation in lumbar fusion. AB - OBJECTIVE The aim of this study was to evaluate the anatomical and surgical risk factors for screw-related facet joint violation at the superior level in lumbar fusion. METHODS The authors conducted a retrospective review of a consecutive series of posterior lumbar instrumented fusions performed by a single surgeon. Inclusion criteria were primary lumbar fusion of 1 or 2 levels for degenerative disorders. The following variables were analyzed as possible risk factors: surgical technique (percutaneous vs open screw placement), depth of surgical field, degree of anterior slippage of the superior level, pedicle and facet angle, and facet degeneration of the superior level. Postoperative CT scans were evaluated by 2 independent reviewers. Axial, sagittal, and coronal views were reviewed. Pedicle screws were graded as intra-articular if they clearly interposed between the superior and inferior facet joints of the superior level. Multivariate logistic regression analyses were conducted to assess the factors associated with this complication. RESULTS One hundred thirty-one patients were included. Interobserver reliability for facet joint violation assessment was high (kappa = 0.789). The incidence of superior facet joint violation was 12.59% per top-level screw (33 of 262 proximal screws). The rate of facet violation was 28.0% in the percutaneous technique group (14 of 50 patients) and 12.3% in the open surgery group (10 of 81 patients) (OR 2.26, 95% CI 1.09-4.21; p = 0.024). In multivariate logistic regression analysis, independent predictors of facet violation were percutaneous screw placement (adjusted OR 3.31, 95% CI 1.42-7.73; p = 0.006), right-side pedicle screw (adjusted OR 3.14, 95% CI 1.29-7.63; p = 0.011), and facet angle > 45 degrees (adjusted OR 10.95, 95% CI 4.64-25.84; p < 0.0001). CONCLUSIONS The incidence of facet joint violation was higher in percutaneous minimally invasive than in open technique for posterior lumbar spine surgery. Also, coronal orientation of the facet joint is a significant risk factor independent of the surgical technique. PMID- 29219781 TI - A novel duraplasty technique following fenestration of a massive lumbar arachnoid cyst in a patient with scoliosis: technical case report. AB - When a dural defect is encountered during spine surgery, the dura mater must be reconstituted to minimize the occurrence of minor or major life-threatening sequelae. The neurosurgical literature lacks strategies for managing large dural defects encountered during surgery. The authors describe a 24-year-old man who developed cauda equina syndrome secondary to altered CSF flow in a large thoracolumbar arachnoid cyst. Surgical decompression and fenestration of the arachnoid cyst were performed, and the large dural defect was treated using a multilayer closure with collagen matrix, titanium mesh, and methylmethacrylate. At his 24-month postoperative follow-up, the patient had recovered full strength in his legs, and his sensory deficits and sexual dysfunction had resolved. His incision had healed well, and there were no signs of pseudomeningocele. He had no additional positional headaches. The defect was managed effectively with this technique. Although this technique is not a first-line strategy for dural closure in the spine, it can be considered in challenging cases when large dural defects are not amenable to traditional closure techniques. PMID- 29219782 TI - Preventive Role of Vitamin D in Silica-Induced Skin Fibrosis: A Study in Relation to Oxidative Stress and Pro-Inflammatory Cytokines. AB - The protective effects of vitamin D analogue calcipotriol in silica-induced skin fibrosis were studied in the present study. Male BALB / c mice were divided into four groups; Control, Vitamin D, Silica and Silica+Vitamin D. Silica was administered as a single intradermal injection (40 ug / uL, dissolved in normal saline; particle size 1 - 5 um) in the hind limbs of animals in Silica & Silica+Vitamin D group. Vitamin D group animals received topical application of 100uL of vitamin D solution (10-7M in Ethanol) daily for 12 weeks. Silica+Vitamin D group animals received co-treatment of silica and vitamin D as described for other groups. After 12 weeks of treatment, dermal thickness and hydroxyproline content of treated sections were measured. The TNF-alpha and IL-6 levels were measured in serum of all treated animals. The silica-induced oxidative stress was measured in terms of lipid peroxidation in skin tissue. Antioxidant defence system was assessed in terms of levels of reduced glutathione, superoxide dismutase, catalase, glutathione peroxidase and glutathione reductase. A significant increase in the dermal thickness and hydroxyproline content was observed after silica treatment (931 +/- 57.98 to 1804.61 +/- 146.20 um)(p < 0.05). Vitamin D co-treatment reduced dermal thickness and hydroxyproline content compared to Silica group (p < 0.05). Similarly a decrease in TNF-alpha and IL-6 levels were also observed after vitamin D treatment. A significant reduction in oxidative stress in terms of lipid peroxidation (4.92 +/- 0.70 to 2.40 +/- 0.31 nmol / mg protein). Therefore, present study suggested that vitamin D could be an effective agent against silica-induced skin fibrosis and oxidative stress. PMID- 29219783 TI - Diet and Other Lifestyle Factors Associated with Prostate Cancer Differ Between the German and Italian Region of Switzerland. AB - PURPOSE: In Switzerland, prostate cancer mortality is higher in the German than in the Italian-speaking region. We aimed at exploring the association of living in one of the two regions with lifestyle factors presumably lowering the risk of prostate cancer. METHODS: We pooled data from the Swiss Health Survey, conducted every 5 years 1992 - 2012. Information on diet (meat, fish, dairy, fruits and vegetables), alcohol, smoking, physical activity and body mass index were dichotomized into "risky" and "risk-reducing" lifestyle behaviour with respect to prostate cancer. Multivariable logistic regression analyses were performed to assess associations between the German and Italian region of Switzerland and each single lifestyle factor. RESULTS: Living in the Italian region was associated with "risk-reducing" diet, i.e. with a higher prevalence of low dairy products and meat consumption and high fish consumption (odds ratio [OR] 1.34, 95% confidence interval [CI] 1.21 - 1.48; OR 3.31, 95% CI 2.94 - 3.72; OR 1.90, 95% CI 1.71 - 2.12, respectively). However, men in the Italian region were less likely to have low alcohol consumption and regular physical activity than men in the German region (OR 0.43, 95% CI 0.36 - 0.52 and OR 0.77, 95% CI 0.69 - 0.86, respectively). CONCLUSIONS: Prostate cancer risk-reducing dietary behaviour (i.e., less dairy products, less meat and more fish) was more common in the Italian region, whereas other risk-reducing lifestyle behaviours were more common in the German region. PMID- 29219784 TI - The Association Between Cartenoid Status and Body Composition in Children 2 - 18 Years of Age - A Systematic Review. AB - The aim of this review was to determine the association between carotenoid status and body composition in children 2 - 18 years of age. Obesity is often related to poor dietary habits and lower fruit and vegetable consumption in children. Fruit and vegetables are the primary sources of antioxidant-rich dietary carotenoids; decreased intake may lead to increased risk of chronic diseases. Identifying those with lower carotenoid status in childhood could be an important target for public health intervention. Research methods for the review were conducted using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) checklist and the Central Michigan University library, via multiple scientific databases. Medical Subject Heading (MeSH) terms were utilized to identify relevant studies for inclusion. Twenty-three studies were included in the review (n = 16,285). Thirteen studies reported a significant inverse association between carotenoid status and body composition in children (p < 0.05), (n = 15,206). Five additional studies had varying associations between body composition and carotenoid status based on the type of carotenoid and/or measure of carotenoid status (n = 763). Carotenoid status is inversely associated with body composition; however, varying degrees of association were observed in this review. It remains to be determined whether this association is related to intake, fat mass or a combination of the two. PMID- 29219785 TI - Higher Absorption of Vitamin C from Food than from Supplements by Breastfeeding Mothers at Early Stages of Lactation. AB - The aim of the present study was to determine the effect of vitamin C supply in the diet of lactating women on vitamin C concentrations in human milk (n = 97) sampled at different stages of lactation. Vitamin C levels were measured by liquid chromatography. Dietary intake of vitamin C was determined based on 3-day food dairies kept by breastfeeding mothers. Maternal dietary intakes of vitamin C from natural sources on lactation day 90 (n = 18) were significantly higher than on lactation days 15 (n = 42) and 30 (n = 37). The number of women taking vitamin C supplements decreased in successive stages of lactation. The average daily intake of vitamin C was estimated at 119 mg, but nearly 20% of mothers consumed less than 50 mg of vitamin C per day. No significant correlations were observed between lactation stage and vitamin C levels in breast milk (r = 0.110, p = 0.064). The average vitamin C concentrations in human breast milk were determined at 50.9 mg / L, and were not higher than 80.6 mg / L regardless of lactation stage and maternal intake of vitamin C. Vitamin C excretion into breast milk is regulated to prevent exceeding saturation level. The vitamin C concentration in milk was positive correlated with maternal intake of vitamin C from food, in the case of non-supplemented diet (r = 0.402, p = 0.041). Our results suggest that vitamin C occurring in food is much better absorbed and passes into breast milk than vitamin C from supplements. PMID- 29219786 TI - Periinsular anterior quadrantotomy: technical note. AB - Refractory frontal lobe epilepsy has been traditionally treated through a frontal lobectomy. A disconnective technique may allow similar seizure outcomes while avoiding the complications associated with large brain resections. The aim of this study was to describe a new technique of selective disconnection of the frontal lobe that can be performed in cases of refractory epilepsy due to epileptogenic foci involving 1 frontal lobe (anterior to the motor cortex), with preservation of motor function. In addition to the description of the technique, an illustrative case is also presented. This disconnective procedure is divided into 4 steps: the suprainsular window, the anterior callosotomy, the intrafrontal disconnection, and the frontobasal disconnection. The functional neuroanatomy is analyzed in detail for each step of the surgery. It is important to perform cortical and subcortical electrophysiological mapping to guide this disconnective procedure and identify eloquent cortices and intact neural pathways. The authors describe the case of a 9-year-old boy who presented with refractory epilepsy due to epileptogenic foci localized to the right frontal lobe. MRI confirmed the presence of a focal cortical dysplasia of the right frontal lobe. A periinsular anterior quadrant disconnection (quadrantotomy) was performed. The postoperative period was uneventful, and the patient was in Engel seizure outcome Class I at the 3-year follow-up. A significant cognitive gain was observed during follow-up. Periinsular anterior quadrantotomy may thus represent a safe technique to efficiently treat refractory epilepsy when epileptogenic foci are localized to 1 frontal lobe while preserving residual motor functions. PMID- 29219787 TI - Modification of the BioMedicus centrifugal pump to provide continuous irrigation for neuroendoscopy: technical note. AB - Continuous irrigation is an important adjunct for successful intraventricular endoscopy, particularly for complex cases. It allows better visualization by washing out blood and debris, improves navigation by expanding the ventricles, and assists with tissue dissection. A method of irrigation delivery using a centrifugal pump designed originally for cardiac surgery is presented. The BioMedicus centrifugal pump has the desirable ability to deliver a continuous laminar flow of fluid that excludes air from the system. A series of modifications to the pump tubing was performed to adapt it to neuroendoscopy. Equipment testing determined flow and pressure responses at various settings and simulated clinical conditions. The pump was then studied clinically in 11 endoscopy cases and eventually used in 310 surgical cases. Modifications of the pump tubing allowed for integration with different endoscopy systems. Constant flow rates were achieved with and without surgical instruments through the working ports. Optimal flow rates ranged between 30 and 100 ml/min depending on endoscope size. Intraoperative use was well tolerated with no permanent morbidity and showed consistent flow rates, minimal air accumulation, and seamless irrigation bag replacement during prolonged surgery. Although the pump is equipped with an internal safety mechanism to protect against pressure buildup when outflow obstructions occur, equipment testing revealed that flow cessation is not instantaneous enough to protect against sudden intracranial pressure elevation. A commonly available cardiac pump system was modified to provide continuous irrigation for intraventricular endoscopy. The system alleviates the problems of inconsistent flow rates, air in the irrigation lines, and delays in changing irrigation bags, thereby optimizing patient safety and surgical efficiency. Safe use of the pump requires good ventricular outflow and, clearly, sound surgical judgment. PMID- 29219788 TI - Differential patterns of metastatic dissemination across medulloblastoma subgroups. AB - OBJECTIVE Metastatic dissemination is a major treatment challenge and cause of death in patients with medulloblastoma. However, the influence of molecular biology on the pattern of metastatic dissemination at diagnosis is not known. In this study, the authors sought to define the location, pattern, and imaging characteristics of medulloblastoma metastases across subgroups at diagnosis. METHODS A consecutive cohort of patients with metastatic medulloblastoma at The Hospital for Sick Children and the University Hospital Motol, who underwent up front MRI of the craniospinal axis, was assembled and allocated to subgroups using NanoString limited gene-expression profiling. Radiological characteristics (including location, morphology, size, diffusion restriction, and contrast enhancement) were discerned through a retrospective review. RESULTS Forty metastatic medulloblastomas were identified with up-front neuroimaging of the craniospinal axis: 5 sonic hedgehog (SHH), 16 Group 3, and 19 Group 4 metastases. Significant subgroup-specific differences were observed, particularly with respect to tumor location, size, and morphology. Group 3 metastases were most frequently laminar compared with a more nodular pattern in Group 4 (14 of 16 in Group 3 vs 8 of 19 in Group 4; p = 0.0004). Laminar metastases were not observed in patients with SHH medulloblastoma. Suprasellar metastases are highly specific to Group 4 (p = 0.016). Two of the 5 SHH cases had multifocal lesions in the cerebellum, raising the possibility that these were in fact synchronous primary tumors and not true metastases. A minority of patients with Group 4 metastases harbored metastatic deposits that did not enhance on MRI after contrast administration, often in patients whose primary tumor did not enhance. CONCLUSIONS The location, morphology, and imaging characteristics of metastatic medulloblastoma differ across molecular subgroups, with implications for diagnosis and management. This suggests that the biology of leptomeningeal dissemination differs among medulloblastoma subgroups. PMID- 29219789 TI - Oberlin transfer compared with nerve grafting for improving early supination in neonatal brachial plexus palsy. AB - OBJECTIVE The use of nerve transfers versus nerve grafting for neonatal brachial plexus palsy (NBPP) remains controversial. In adult brachial plexus injury, transfer of an ulnar fascicle to the biceps branch of the musculocutaneous nerve (Oberlin transfer) is reportedly superior to nerve grafting for restoration of elbow flexion. In pediatric patients with NBPP, recovery of elbow flexion and forearm supination is an indicator of resolved NBPP. Currently, limited evidence exists of outcomes for flexion and supination when comparing nerve transfer and nerve grafting for NBPP. Therefore, the authors compared 1-year postoperative outcomes for infants with NBPP who underwent Oberlin transfer versus nerve grafting. METHODS This retrospective cohort study reviewed patients with NBPP who underwent Oberlin transfer (n = 19) and nerve grafting (n = 31) at a single institution between 2005 and 2015. A single surgeon conducted intraoperative exploration of the brachial plexus and determined the surgical nerve reconstruction strategy undertaken. Active range of motion was evaluated preoperatively and postoperatively at 1 year. RESULTS No significant difference between treatment groups was observed with respect to the mean change (pre- to postoperatively) in elbow flexion in adduction and abduction and biceps strength. The Oberlin transfer group gained significantly more supination (100 degrees vs 19 degrees ; p < 0.0001). Forearm pronation was maintained at 90 degrees in the Oberlin transfer group whereas it was slightly improved in the grafting group (0 degrees vs 32 degrees ; p = 0.02). Shoulder, wrist, and hand functions were comparable between treatment groups. CONCLUSIONS The preliminary data from this study demonstrate that the Oberlin transfer confers an advantageous early recovery of forearm supination over grafting, with equivalent elbow flexion recovery. Further studies that monitor real-world arm usage will provide more insight into the most appropriate surgical strategy for NBPP. PMID- 29219790 TI - Hepatitis C Virus Infection in Kidney Transplant Patients: Current Treatment Options. AB - Hepatitis C virus infection is highly prevalent among kidney transplant recipients, occurring consequently to their previous treatment with hemodialysis. Hepatitis C virus infection has been associated with lower graft and patient survival compared with that shown in patients without infection. The lower survival has been associated with the posttransplant progression of liver disease and increased risk for development of extrahepatic complications. The choice of immunosuppressive drugs could significantly affect the course of the infection with an accelerated viral replication after kidney transplant. Eradicating hepatitis C virus infection with antiviral treatment is imperative to increasing graft and patient survival after transplant. Antiviral treatment options include standard interferon-based therapy and new directacting antiviral agents. Interferon-based treatment is rarely used in kidney transplant recipients because it has been associated with high risk of interferoninduced acute graft rejection. Several novel studies have shown that the new direct-acting antiviral agents are highly efficacious for treatment of hepatitis C infection in kidney transplant patients. PMID- 29219791 TI - Effects of the Vitamin D Analog 2AMD in Cyclosporine-Induced Nephrotoxicity: Dose Response and Antifibrotic Activity. AB - OBJECTIVES: In this study, we aimed to ascertain the efficacy and determine the dose effects of a new analog of vitamin D, 2alpha-methyl-19-nor-(20S)-1alpha,25 dihydroxyvitamin D3 (2AMD), in decreasing fibrosis and improving renal function in a rat model of kidney disease. MATERIALS AND METHODS: Using the cyclosporine model of chronic kidney disease, we tested 4 dose regimens (2.5, 5, 10, and 20 ng/kg) of 2AMD by subcutaneous administration. The 2AMD analog was compared with another analog, 2-methylene-19-nor-(20S)-1alpha,25-dihydroxyvitamin D3 (2MD), given at 5 ng/kg. RESULTS: After 28 days of cyclosporine administration with 5 ng/kg 2AMD or 2MD, blood urea nitrogen levels were decreased by 20% and 30%, with no increase in serum calcium. This dose significantly decreased collagen levels by 50%, as determined by relative measurements of birefringence elicited under polarized light following picrosirius red staining of kidney tissues. The 20 ng/kg dose of 2AMD was hypercalcemic, with consequent deleterious effects on measured parameters; however, all doses of 2AMD tested decreased collagen as determined by picrosirius staining. In Western blot analysis of extracts from rat kidneys treated with cyclosporine and 5 ng/kg 2AMD, the fibrotic markers, fibronectin and vimentin, were decreased compared with animals treated only with cyclosporine. CONCLUSIONS: We found that both vitamin D analogs are potent inhibitors of kidney fibrosis with potential renoprotective activity. PMID- 29219792 TI - [Unilateral blindness following a non-surgical rhinoplasty with filler]. AB - BACKGROUND: A rare but known adverse event following a cosmetic filler treatment is unilateral blindness. In the Netherlands, this complication has not been reported in a patient before. CASE DESCRIPTION: A 26-year-old woman developed unilateral blindness after undergoing a cosmetic treatment of the dorsum nasi in which hyaluronic acid was used as filler. The blindness was caused by backflow of the filler via the ophthalmic artery into the carotid internal artery. CONCLUSION: There is no proven effective treatment for this adverse event. Therefore prevention is of great importance. This requires knowledge of the anatomy of the facial blood vessels and a well-developed injection technique. PMID- 29219793 TI - [Hypersensitivity reactions and vaccines]. AB - - A lot of questions are being asked in the Netherlands about the safety of vaccination. More knowledge among care providers helps with regard to good medical practice and information.- Severe hypersensitivity reactions to vaccines are rare. Chicken-egg protein, gelatine and thiomersal are the most important vaccine components that may provoke severe reactions.- Acute treatment of patients with severe hypersensitivity reactions consists of intramuscular adrenaline.- In case of a severe reaction to a vaccine or a vaccine component, the subsequent course of action is determined by the physician referred to: the allergist or paediatric allergist. For most patients, vaccination or revaccination is possible in a setting where acute treatment is possible.- Slight side effects and delayed hypersensitivity reactions are not good reasons for additional measures with respect to vaccination.- It is important to record hypersensitivity reactions completely and unambiguously in the patient file. PMID- 29219794 TI - [A brown-red papule]. AB - A 44-year-old woman was referred with a brown-red papule on the back. Histopathologic examination showed a melanocytic BAP1-associated intradermal tumour. A germline mutation in the BAP1 gene confirmed a diagnosis of BAP1 tumour predisposition syndrome. This syndrome is associated with various tumour types. Early diagnosis is essential for counselling and screening. PMID- 29219795 TI - [Platelet function tests: tailored antiplatelet therapy for vascular patients?] AB - - Platelet aggregation inhibitors, also known as antiplatelet therapy (APT), are prescribed for the prevention of secondary cardiovascular events (CVE) after endovascular revascularization procedures.- Platelet aggregation inhibitors are not equally effective in all patients. The phenomenon of high residual platelet reactivity despite APT is called 'high on-treatment platelet reactivity' (HTPR); it bears an increased risk of secondary CVE.- Platelet function tests (PFT) can be used to diagnose HTPR. There are various tests available; of those, light transmission aggregometry (LTA) is considered the gold standard. Some tests are only suitable for determining the effect of a certain category of APT.- Research into the usefulness of PFTs to optimise treatment with APT has not yet produced an unambiguous conclusion.- Currently there is not yet an indication for routine use of PFT in clinical practice. However, for the treatment of certain categories of patients with thromboembolic disease - such as those with renal failure or a history of kidney transplant - PFT can be considered. PMID- 29219796 TI - [An infant with moaning breathing]. AB - A girl of 3.5 months old was presented at the emergency department because of sudden onset of moaning breathing. Clinical examination and imaging showed a congenital diaphragmatic hernia. PMID- 29219797 TI - [Timing of the care internship in the medical curriculum; when should students make acquaintance with older patients?] AB - A care internship in the first year of medical school is an effective way to help students learn to reflect and to acquire professional behaviour. Research has shown, however, that the impressions young medical students have of older people were not very positive before the care internship, and actually worsen afterwards. The care internship has now been adapted as result of these findings and on the basis of evidence in existing literature. Scientific evaluation of educational programmes, and studying potential side effects, are necessary to keep the medical curriculum effective and appropriate. PMID- 29219798 TI - [Guideline 'Organ donation following euthanasia"]. AB - - The multidisciplinary guideline 'Organ donation following euthanasia' was published in March 2017 at request of the Minister of Health, Welfare and Sport.- This guideline provides recommendations for the organisation and implementation of a request to donate organs expressed by a patient who asks for euthanasia.- It is vital to avoid any conflict of interest while the patient requesting organ donation following euthanasia is still alive.- The person who carries out the euthanasia procedure is responsible for assessing the degree of unbearable suffering and for guaranteeing that potential organ donation is well-considered and voluntary.- During the procedure everything possible must be done to ensure a minimal burden for the patient and the family. PMID- 29219799 TI - [Characteristics and healthcare utilization of patients with highest costs of care]. AB - OBJECTIVE: To determine characteristics and healthcare utilization of high-cost patients in the Netherlands. DESIGN: Cross-sectional study, using claim data for 2013 from one Dutch health insurer. Analyses were limited to the curative health system (care that falls under the Health Insurance Act), including voluntary supplementary insurance. METHOD: We established total healthcare costs per beneficiary by summing all claims with a starting date in 2013. We categorized hospital-related diagnosis related groups (DRGs) and mental health care DRGs according to the ICD-10 International Classification of Diseases main chapters and sub-chapters. Per patient we determined which ICD-10-(sub-)chapter carried the highest costs. In addition, we developed several indicators for healthcare utilization and analysed healthcare utilization using descriptive statistics. Finally, we broke down high-cost patients by age group and compared characteristics and health care utilization between age groups. RESULTS: High cost patients, those in the top 1% in 2013, incurred an average total cost of over ? 56,000 per patient. They were treated by multiple providers for numerous health problems. Approximately one third of high-cost patients had one or more expensive treatments, including transplant surgery, dialysis, expensive drugs, intensive care unit use, or DRGs exceeding ? 30,000. The majority of high-cost patients were treated for cardiovascular disorders, neoplasms or mental and behavioural disorders. Though the high-cost patients were relatively old, more than half were younger than 65 years and average costs per patient decreased sharply with age. CONCLUSIONS: There is a need for an integral approach in the treatment of high-cost patients. Tailored policy and interventions are needed to improve care quality and to avoid unnecessarily high costs of care. PMID- 29219800 TI - [Social awareness campaign for a ban on consumer fireworks: 10 tips; doctor on the barricade]. AB - - Describe the problem, and show why a social awareness campaign is needed- Know what you are talking about, and explain the medical jargon in plain language- Collect data and facts- Create support among colleagues- Get the media involved- Get support from the community- Create a coalition of supporters via a website- You will discover who the opposition is when you are on the barricade- Offer a safe and healthy alternative - Draw up a long-term roadmap, and persevere. PMID- 29219801 TI - [A focus on patients with the highest healthcare costs]. AB - Wammes et al. (2017) showed that many of the patients who are among the 1% with the highest healthcare costs are being treated for multiple conditions. This suggests that high healthcare costs are at least partly due to treatment for multiple conditions, each of which by itself may not be excessively costly. It is the accumulation of costs for multiple conditions that cause patients to become high-cost patients, and this has implications for cost-control policies. It may be more worthwhile to focus on improving efficiency in the treatment of conditions that occur frequently but have low or medium costs than on conditions with high costs but that occur infrequently. PMID- 29219802 TI - In Situ High-Resolution Transmission Electron Microscopy (TEM) Observation of Sn Nanoparticles on SnO2 Nanotubes Under Lithiation. AB - We trace Sn nanoparticles (NPs) produced from SnO2 nanotubes (NTs) during lithiation initialized by high energy e-beam irradiation. The growth dynamics of Sn NPs is visualized in liquid electrolytes by graphene liquid cell transmission electron microscopy. The observation reveals that Sn NPs grow on the surface of SnO2 NTs via coalescence and the final shape of agglomerated NPs is governed by surface energy of the Sn NPs and the interfacial energy between Sn NPs and SnO2 NTs. Our result will likely benefit more rational material design of the ideal interface for facile ion insertion. PMID- 29219803 TI - Accuracy and reproducibility of the Etest to detect drug-resistant Neisseria gonorrhoeae to contemporary treatment. AB - PURPOSE: Neisseria gonorrhoeae is a sexually transmitted bacterial pathogen that continues to evolve to become resistant to known antibiotics. In preparing for potential emergence, the Centers for Disease Control and Prevention recommends that clinical laboratories maintain or develop protocols to assess antibiotic susceptibly for this organism. This study examines the intra-laboratory variability of using the Etest method to provide consistent MIC values for N. gonorrhoeae and also compared the results of the Etest to known agar dilution MIC values. METHODOLOGY: Clinical N. gonorrhoeae isolates, 100 paired duplicates, were tested by eight laboratories for antibiotic susceptibility to ceftriaxone, cefixime and azithromycin using Etest strips.Results/Key findings. Overall, >80 % of the paired Etest MIC values were within one log2 dilution of the replicate. When compared to the agar dilution reference method, the cefixime Etest MIC values were consistently underreported by one dilution (seven laboratories) or two dilutions (one laboratory). The azithromycin Etest MIC values agreed 90.7 % with the agar dilution MIC values while the agreement with ceftriaxone was 90.9 %. CONCLUSION: Overall, the Etest method yielded reproducible MIC values within each laboratory with the azithromycin and ceftriaxone MIC results consistent to the reference agar dilution method while the cefixime result tended to provide a lower MIC value. PMID- 29219804 TI - Pseudooceanicola lipolyticus sp. nov., a marine alphaproteobacterium, reclassification of Oceanicola flagellatus as Pseudooceanicola flagellatus comb. nov. and emended description of the genus Pseudooceanicola. AB - A Gram-stain-negative, rod-shaped bacterium, designated 157T, was isolated from seawater collected from the Philippine Sea. Cells of strain 157T grew in medium containing 0.5-10.0 % NaCl (w/v, optimum 3 %), at pH 6.0-8.5 (optimum 7.0) and at 15-40 degrees C (optimum 30 degrees C). Tweens 20, 40 and 80 as well as urea were hydrolysed. The 16S rRNA gene sequence of strain 157T had a high sequence similarity with respect to Pseudooceanicola marinus AZO-CT (97.2 %), and exhibited less than 97.0 % sequence similarity to other type strains of the species with validly published names. Phylogenetic analyses revealed that strain 157T fell within a cluster comprising the Pseudooceanicola species and formed a coherent clade with P. marinus AZO-CT and Pseudooceanicola antarcticus Ar-45T. Strain 157T exhibited average nucleotide identity values of 74.5 and 74.9 % to P. marinus LMG 23705T and P. antarcticus Ar-45T, respectively. In silico DNA-DNA hybridization analysis revealed that strain 157T shared 20.2 % DNA relatedness with P. marinus LMG 23705T and 20.6 % with P. antarcticus Ar-45T, respectively. The sole isoprenoid quinone was ubiquinone 10. The major fatty acids were summed feature 8 (C18 : 1omega7c and/or C18 : 1omega6c), C19 : 0 cyclo omega8c, C16 : 0 2-OH and C16 : 0. The major polar lipids were phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, one unidentified aminolipid and one unidentified glycolipid. The DNA G+C content was 64.6 mol%. According to the phylogenetic, chemotaxonomic and phenotypic data, it represents a novel species of the genus Pseudooceanicola, for which the name Pseudooceanicolalipolyticus is proposed. The type strain is 157T (=KCTC 52654T=MCCC 1K03317T). In addition, the description of the genus Pseudooceanicola is emended and Oceanicola flagellatus is reclassified as Pseudooceanicola flagellatus comb. nov., with the type strain DY470T (=CGMCC 1.12664T=LMG 27871T) proposed. PMID- 29219805 TI - CAR gene cluster and transcript levels of carotenogenic genes in Rhodotorula mucilaginosa. AB - A molecular approach was applied to the study of the carotenoid biosynthetic pathway of Rhodotorula mucilaginosa. At first, functional annotation of the genome of R. mucilaginosa C2.5t1 was carried out and gene ontology categories were assigned to 4033 predicted proteins. Then, a set of genes involved in different steps of carotenogenesis was identified and those coding for phytoene desaturase, phytoene synthase/lycopene cyclase and carotenoid dioxygenase (CAR genes) proved to be clustered within a region of ~10 kb. Quantitative PCR of the genes involved in carotenoid biosynthesis showed that genes coding for 3-hydroxy 3-methylglutharyl-CoA reductase and mevalonate kinase are induced during exponential phase while no clear trend of induction was observed for phytoene synthase/lycopene cyclase and phytoene dehydrogenase encoding genes. Thus, in R. mucilaginosa the induction of genes involved in the early steps of carotenoid biosynthesis is transient and accompanies the onset of carotenoid production, while that of CAR genes does not correlate with the amount of carotenoids produced. The transcript levels of genes coding for carotenoid dioxygenase, superoxide dismutase and catalase A increased during the accumulation of carotenoids, thus suggesting the activation of a mechanism aimed at the protection of cell structures from oxidative stress during carotenoid biosynthesis. The data presented herein, besides being suitable for the elucidation of the mechanisms that underlie carotenoid biosynthesis, will contribute to boosting the biotechnological potential of this yeast by improving the outcome of further research efforts aimed at also exploring other features of interest. PMID- 29219806 TI - Mucilaginibacter amnicola sp. nov., isolated from a freshwater creek. AB - A pink-coloured bacterial strain, TAPP7T, was isolated from a freshwater creek in Taiwan. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TAPP7T belonged to the genus Mucilaginibacter and showed highest similarity with Mucilaginibacter ginsengisoli B4Y-8T (97.6 %) and Mucilaginibacter carri PR0008KT (96.9 %). Cells of strain TAPP7T were Gram-staining-negative, aerobic, poly-beta hydroxybutyrate-accumulating and short-rod-shaped. Growth occurred at 10-30 degrees C (optimum, 15-20 degrees C), at pH 4-8 (optimum, pH 6) and with 0-1 % NaCl (optimum, 0.5 %). The predominant fatty acids were summed feature 3 (C16 : 1omega7c and/or C16 : 1omega6c) and iso-C15 : 0. The polar lipid profile consisted of phosphatidylethanolamine and several uncharacterized aminophospholipids and phospholipids. The major polyamine was homospermidine. The major isoprenoid quinone was MK-7. The DNA G+C content of the genomic DNA was 45.6 mol%. The DNA-DNA relatedness of strain TAPP7T with respect to Mucilaginibacter ginsengisoli B4Y-8T was less than 35 %. On the basis of the phylogenetic inference and phenotypic data, strain TAPP7T should be classified as a novel species, for which the name Mucilaginibacter amnicola sp. nov. is proposed. The type strain is TAPP7T (=BCRC 80976T=LMG 29556T=KCTC 52238T). PMID- 29219807 TI - Down-regulation of cellular protein heme oxygenase-1 inhibits proliferation of avian influenza virus H9N2 in chicken oviduct epithelial cells. AB - The pathogenesis of H9N2 subtype avian influenza virus (AIV) infection in hens is often related to oviduct tissue damage. Our previous study suggested that H9N2 AIV induces cellular apoptosis by activating reactive oxygen species (ROS) accumulation and mitochondria-mediated apoptotic signalling in chicken oviduct epithelial cells (COECs). Heme oxygenase-1 (HO-1) is an inducible enzyme that exerts protective effects against oxidative stress and activated HO-1 was recently shown to have antiviral activity. To study the potential involvement of HO-1 in H9N2 AIV proliferation, the role of its expression in H9N2-infected COECs was further investigated. Our results revealed that H9N2 AIV infection significantly up-regulated the expression of HO-1 and that HO-1 down-regulation by ZnPP, a classical inhibitor of HO-1, could inhibit H9N2 AIV replication in COECs. Similarly, the small interfering RNA (siRNA)-mediated knockdown of HO-1 also markedly decreased the virus production in H9N2-infected COECs. In contrast, adenoviral-mediated over-expression of HO-1 concomitantly promoted H9N2 AIV replication. Taken together, our study demonstrated the involvement of HO-1 in AIV H9N2 proliferation, and these findings suggested that HO-1 is a potential target for inhibition of AIV H9N2 replication. PMID- 29219808 TI - Ferrovibrio soli sp. nov., a novel cellulolytic bacterium isolated from stream bank soil. AB - Two isolates of bacterial strains A15T and A17 were isolated from stream bank soil in Kyonggi University. Cells were aerobic, Gram-stain-negative, oxidase- and catalase-positive, motile, non-spore-forming, rod-shaped, opaque, and cream coloured. Both strains hydrolysed CM-cellulose. Strains were able to grow at 20 42 degrees C, pH 5.5-10.0 and at 1.5 % NaCl concentration (w/v). Indole test was positive. Analyses of phylogenetic trees based on its 16S rRNA gene sequences indicated that strain A15T formed a lineage within the family Rhodospirillaceae of the phylum Proteobacteria which was distinct from Ferrovibrio denitrificans S3T (98.4 % sequence similarity) and Ferrovibrio xuzhouensis LM-6T (97.4 %). The sole detected respiratory quinone was Q-10. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol and an unidentified aminolipid. The major cellular fatty acids were C19 : 0 cycloomega8c, C16 : 0, summed feature 8 (C18 : 1omega7c and/or C18 : 1omega6c), C18 : 0cyclo and C12 : 0. The DNA G+C contents of strains A15T and A17 were 63.4 and 62.9 mol%, respectively. DNA-DNA relatedness between strain A15T and other two members of the genus Ferrovibrioranged from 25 to 37 %. The polyphasic characterization revealed strains A15T and A17 represent a novel species in the genus Ferrovibrio, for which the name Ferrovibriosoli sp. nov. is proposed. The type strain is A15T (=KEMB 9005-522T=KACC 19102T=NBRC 112682T). PMID- 29219809 TI - The cell wall of the filamentous anoxygenic phototrophic bacterium Oscillochloris trichoides. AB - The filamentous anoxygenic phototrophic bacterium Oscillochloris trichoides DG-6 has been studied, and it has been shown that there are no lipopolysaccharides on the cell surface. Fatty acids hydroxylated at the C3 position, amino sugars and phosphate-containing compounds characteristic of lipid A have also not been found. The genes encoding for proteins responsible for the synthesis of lipopolysaccharides and the genes for the transport system, usually localized in the outer membrane of Gram-negative bacteria, have not been detected in the genome. The rigid layer of the cell wall contains a peptidoglycan consisting of alanine, glutamine, ornithine and glycine, in the respective ratio 1.8 : 1.5 : 1.0 : 0.6. Thus, the investigated bacterium, Osc. trichoides, is a monoderm. The cell wall also contains a branched alpha-1,4-d-glucan with a repeating unit consisting of glucose residues linked by alpha-1->4 bonds (alpha-1->6 at the branching sites). Such polymers have not previously been reported in phototrophic bacteria. PMID- 29219810 TI - Optimising the ISAR-HP to screen efficiently for functional decline in older patients. AB - INTRODUCTION: The Identification of Seniors At Risk-Hospitalised Patients (ISAR HP) has recently been included in guidelines as a frailty indicator to identify patients for comprehensive geriatric assessment. Previous studies showed that the conventional cut-off score incorrectly classifies a high percentage of patients as high risk. We aimed to optimise the predictive value of ISAR-HP by using different cut-offs in older acutely hospitalised patients. METHODS: A prospective follow-up study was performed in two Dutch hospitals. Acutely hospitalised patients aged >= 70 years were included. Demographics, illness severity parameters, geriatric measurements and the ISAR-HP scores were obtained at baseline. The primary outcome was a combined end point of functional decline or mortality during 90-day follow-up. RESULTS: In total 765 acutely hospitalised older patients were included, with a median age of 79 years, of whom 276 (36.1%) experienced functional decline or mortality. The conventional ISAR-HP cut-off of >= 2 assigned 432/765 patients (56.5%) as high risk, with a positive predictive value (PPV) of 0.49 (95%CI 0.45-0.54) and a negative predictive value of 0.81 (95%CI 0.76-0.85). Thus, 51% of those whom the ISAR-HP denoted as high risk did not experience the outcome of interest. Raising the cut-off to >= 4 assigned 205/765 patients (26.8%) as high risk, with a marginally increased PPV to 0.55 (95%CI 0.48-0.62). CONCLUSION: The ISAR-HP with the conventional cut-off of >= 2 incorrectly identifies a large group of patients at high risk for functional decline or mortality and raising the cut-off to 4 only marginally improved performance. Caution is warranted to ensure efficient screening and follow-up interventions. PMID- 29219811 TI - Non-targeted HIV screening in emergency departments in the Netherlands. AB - BACKGROUND: In the Netherlands a substantial proportion of newly diagnosed human immunodeficiency virus (HIV) patients present late for care and an estimated 12 34% of people living with HIV are undiagnosed. Linkage to care of these patients is important to decrease HIV transmission and to improve individual patient outcomes. We investigated if non-targeted HIV testing in emergency departments is a useful and cost-effective way to identify these patients. METHODS: In a cross sectional multicentre study, eligible adult patients who underwent phlebotomy were given an active choice to be additionally tested for HIV. In a subset of patients, risk factors for HIV infection were asked for. A cost-effectiveness analysis was conducted. RESULTS: Of 7577 eligible patients, 3223 patients were tested, and two new HIV infections were diagnosed (0.06%). Both patients had risk factors for HIV infection. Non-targeted HIV testing in the emergency department was not considered cost-effective, with a cost per quality adjusted life years gained of ? 77,050, more than triple the Dutch cost-effectiveness threshold of ? 20,000. CONCLUSION: Non-targeted HIV testing in emergency departments in the Netherlands had a low yield of newly diagnosed HIV infections and was not cost effective. Our data suggest that targeted HIV testing may offer an alternative approach to decrease the number of undiagnosed people living with HIV. PMID- 29219812 TI - Helicobacter pylori resistance in the Netherlands: a growing problem? AB - Helicobacter pylori infection is clinically associated with dyspepsia, gastric and duodenal ulcers, and gastric cancer. Increasing antimicrobial resistance in H. pylori is a worldwide problem and failure of eradication with standard triple therapy (high-dose proton pump inhibition, amoxicillin and clarithromycin) is directly related to the presence of a resistant strain. Other treatment combinations have been investigated, but with inconsistent results. Based on a review of the recent literature in conjunction with an analysis of the regional resistance data, we address the increasing complexity of H. pylori eradication therapy. Culture and susceptibility results of all first H. pylori isolates of adults (> 18 years) seen in the Leiden University Medical Center, from January 2006 to December 2015, were analysed (n = 707). An increase in clarithromycin resistance was observed from 9.8% to 18.1% (p = 0.002) in the periods from 2006 2010 and 2011-2015, respectively. For ampicillin the resistance increased from 6.3% to 10.0% (p = 0.37), and for metronidazole from 20.7% to 23.2% (p = 0.42). The tetracycline resistance remained low at 3.2% and 2.3%, respectively. The treatment paradigm is shifting towards individualised treatment rather than a one strategy-fits-all approach. In case of treatment failure it should be strongly considered to refer a patient for endoscopy, biopsy and culture. Thereafter, targeted antimicrobial treatment based on susceptibility results can be initiated. Furthermore, accumulating data indicate that prolongation of treatment to 14 days, as opposed to the current standard 7 day course, contributes to a higher H. pylori eradication rate. PMID- 29219813 TI - Unfavourable blood pressure and LDL-cholesterol levels in obese non-diabetic individuals. AB - BACKGROUND: Early diagnosis and treatment of high blood pressure (BP) and cholesterol is important to reduce cardiovascular risk. We compared BP and LDL cholesterol (LDL-C) as well as the quality of treatment between obese subjects and normal weight and overweight individuals. METHODS: 87,648 participants of the Lifelines study were categorised according to obesity (normal weight/ overweight/obesity) and age. Mean systolic BP and LDL-C were calculated depending on treatment, BMI, age and sex. RESULTS: In all age groups, except those aged 70 80 years, women had a significantly lower BP than men. Use of BP-lowering medication did not result in BP levels comparable with non-users, except in those aged 70-80 years. Despite medication, the BP was insufficiently controlled in 20 50% of participants. BP was significantly higher in obese vs. normal weight and overweight individuals of all ages, but most apparently in men younger than 50 years. Mean LDL-C varied between 2.5- .0 mmol/l. Despite higher statin use, obese participants had a higher LDL-C than those with a normal weight. Statins abolished the age-dependent LDL-C increase. Many participants did not achieve target LDL-C < 2.5 mmol/l. A small percentage of individuals treated with BP lowering drugs were also using statins (overall 32% in men, 17% in women). CONCLUSION: Obese individuals, especially men younger than 50, have a higher BP and LDL-C compared with those with overweight and a normal weight. Use of BP lowering drugs did not revert the BP back to levels normal for the specific age and BMI group, whereas statins abolished the age-related increase in LDL-C. These data suggest that more attention is needed for active screening and treatment of cardiovascular risk factors. PMID- 29219814 TI - Cellulitis: current insights into pathophysiology and clinical management. AB - Cellulitis is a bacterial skin and soft tissue infection which occurs when the physical skin barrier, the immune system and/or the circulatory system are impaired. Diabetes, obesity and old age are associated with defects in all of these areas and as a result are major predisposing factors for cellulitis. In this review, we summarise current insights into the pathophysiology of cellulitis and place the Dutch guidelines on the clinical management of cellulitis of the lower extremities in perspective. Recent evidence on diagnostic strategies is discussed, the importance of which is underscored by findings that venous insufficiency, eczema, deep vein thrombosis and gout are frequently mistaken for cellulitis. Empiric antibiotic choices are designed against the background of a low prevalence of multi-resistant Staphylococcus aureus. Novel antimicrobial agents registered for cellulitis are also discussed. Relapses occur frequently due to a high prevalence of risk factors associated with cellulitis in combination with the ccurrence of persistent post-inflammatory lymphatic damage. Lastly, we identify knowledge gaps which, if addressed, will advance our understanding of the pathophysiology of cellulitis and improve its clinical management. PMID- 29219815 TI - Hitting the right target: Diagnosing undiagnosed HIV patients in the Netherlands. PMID- 29219816 TI - Nephrotic syndrome due to lupus-like glomerulonephritis in an HIV-positive patient. AB - Lupus nephritis, a well-known complication in systemic lupus erythematosus, is characterised by a proliferative glomerulonephritis or membranous nephropathy along with a full-house immunofluorescence pattern on renal biopsy. There are very few exceptions in which similar histopathological findings are present, but case reports show that an increasing number of HIV-positive patients (mostly black Africans, but also white patients) have HIV-immune complex disease (HIVICK), which can mimic lupus nephritis. Lupus-like HIVICK is treated differently than 'true' lupus nephritis, so distinction is warranted. PMID- 29219817 TI - Donor-derived tuberculosis via orthotopic liver transplantation. AB - We present a case of donor-derived tuberculosis after liver transplantation, in which the donor origin of the Mycobacterium tuberculosis isolate was made most likely by DNA fingerprinting. Screening for latent tuberculosis of transplant donors originating from high endemic areas with an ex-vivo interferon-gamma release assay should be considered. PMID- 29219819 TI - Answer to Photo Quiz: Granulating wound after a holiday in Peru. PMID- 29219818 TI - Granulating wound after a holiday in Peru. PMID- 29219821 TI - Answer to Photo Quiz: A rare cause of abdominal mass and deep venous thrombosis. PMID- 29219820 TI - A rare cause of abdominal mass and deep venous thrombosis. PMID- 29219822 TI - A blood smear on admission. PMID- 29219823 TI - Answer to Photo Quiz: A blood smear on admission. PMID- 29219824 TI - Thyrotoxic periodic paralysis: an unusual presentation of hyperthyroidism. AB - Thyrotoxic periodic paralysis (TPP) is a complication of hyperthyroidism among Asians, characterised by sudden onset of hypokalaemia and muscle paralysis. Several factors may contribute to a delay in diagnosis, including the subtlety of hyperthyroidism, the transient nature of the events and the rarity of this disease in the West. As life-threatening arrhythmias may occur during an attack, awareness among physicians is necessary for early recognition and treatment. Advances have been made in understanding the pathophysiological mechanism leading to hypokalaemia, which include recently identified mutations of the inwardly rectifying potassium channel Kir2.6. Treatment includes the supplementation of potassium, a nonselective beta-blocker, and ultimately treatment of the underlying hyperthyroidism. Here we report three cases of TPP in the Netherlands, and review the literature on clinical features, pathophysiological hypothesis and treatment. PMID- 29219825 TI - Ending the epidemic: Critical role of primary HIV infection. AB - Early identification and immediate treatment of individuals newly infected with HIV is important for two reasons: it benefits the long-term health of the infected patient, and it reduces onward HIV transmission. Primary HIV infection (PHI) reflects the period following HIV acquisition during which viraemia bursts until the establishment of a stable plasma HIV-RNA level approximately six months post infection. During this period, patients are particularly contagious and are often unaware of the infection. As a consequence, PHI disproportionally affects onward transmission. During PHI the immune system is irreparably damaged and persistent viral reservoirs are formed. Initiating antiretroviral therapy (ART) during PHI could potentially lead to a functional cure through early and prolonged viral suppression. Unfortunately, symptoms of PHI are nonspecific and the diagnosis is frequently missed. This impedes timely diagnosis and prompt initiation of ART. To increase awareness and underscore the importance of immediate ART initiation, we describe here the pathogenesis, clinical presentation, and impact of treating PHI. PMID- 29219826 TI - Is there a need for dietary consultation in elderly non-European migrants? PMID- 29219827 TI - Venous thrombosis and coagulation parameters in patients with pure venous malformations. AB - INTRODUCTION: Venous malformations (VMs) are ubiquitous, low-flow vascular anomalies known to be occasionally painful due to thrombotic episodes within the lesion. The prevalence of superficial or deep vein thrombosis is unclear. METHODS: A cross-sectional study among outpatients aged >= 12 years with pure VMs was performed, quantifying the prevalence of thrombosis by screening all patients with compression ultrasonography (CUS). Additionally, we evaluated whether coagulation alterations were related to thrombosis observed with CUS. RESULTS: In total, 69 patients with pure VMs were eligible, median age was 30 years (range 12 63) and 52% were female. A total of 68 patients underwent CUS. Superficial vein thrombosis was observed in 10 (15%) cases; 1 patient had a current asymptomatic deep venous thrombosis. Residual superficial or deep thrombosis was observed in 25 patients (36%). In total, 49% had either a history or current signs of a thrombotic event and overall 10% had venous thromboembolism. In approximately 50% of the patients the D-dimer level was above 0.5 mg/l. Median P-selectin and Von Willebrand factor levels were 29 ng/ml (interquartile range (IQR) 21-34) and 108% (IQR 83-132), respectively. No differences were observed in the coagulation parameters between the patients with and without current clots in their VM. CONCLUSION: This study shows that superficial or deep vein thrombosis is common among patients with a pure VM. Physicians should be aware of this high incidence, especially if other risk factors for thrombosis are present. PMID- 29219828 TI - Improving care for older patients in the acute setting: a qualitative study with healthcare providers. AB - BACKGROUND: The proportion of older people needing acute care is rapidly growing, thereby posing an increased burden on the acute care chain. The aim of this study is to gain more insight into the obstacles and potential improvement opportunities of the acute care process for older patients arriving at the hospital. METHODS: Semi-structured interviews were conducted to determine the experiences of 18 different primary (i.e. general practitioner, community nurse) and secondary healthcare professionals (i.e. emergency department (ED) nurse, ED physician, geriatric physician, geriatric nurse, ambulance nurse, acute medical unit nurse), and three experts (2 researchers, 1 older adult advisor). RESULTS: Four core themes emerged from the interviews: 1) The concept of frailty, awareness concerning frail older patients, and identification of frailty, 2) Barriers in the care process of older patients within the acute care chain, 3) Optimising the discharge process of older patients, and 4) Improvement opportunities suggested by the respondents. Early identification of frailty, improving the continuity of care by means of structured information exchange between care providers in the acute care chain, and a more generalist approach were considered important by the respondents in order to deliver appropriate care to older patients. CONCLUSION: This explorative study identified several barriers and improvement opportunities which are important to improve the quality, efficacy and appropriateness of the acute care of older patients. More seems needed in the future in order to share experiences, expertise and develop potential improvement strategies for the acute care of older patients. PMID- 29219829 TI - Prevalence of iron deficiency in a Dutch geriatric migrant population. AB - BACKGROUND: The prevalence of iron deficiency anaemia (IDA) rises with age. Migrants are potentially at higher risk for IDA because of differences in intake and uptake as well as their higher comorbid status. We assessed whether geriatric Turkish and Moroccan migrants have a higher prevalence of low iron status and IDA. METHODS: Retrospective case-control study in a geriatric outpatient clinic (2012-2015). In total, 188 consecutive Turkish and Moroccan migrants aged >= 65 years were included and matched with 188 Dutch controls. Matching was based on the visiting date of the patients. Main outcome measures were serum ferritin level (below 15 ug/l) and IDA. IDA was defined as anaemia according to the WHO definition, with a serum ferritin level below 15 ug/l and serum CRP below 10 mg/l. Multivariate logistic regression was performed to correct for confounders. RESULTS: Mean serum ferritin level was significantly lower in migrants (83.46 ug/l, SD 106.8 vs. 164.94 ug/l, SD 160.1, (p < 0.05)). In total, 7.4% met the IDA criteria, of these 5.6% were migrants and 1.8% were Dutch (p < 0.05). After correction for age, gender, BMI, and use of NSAIDs, a low ferritin level was associated with migrant status (OR 3.0, 95% CI 1.0-8.9) as was IDA (OR 2.9, 95% CI 1.2-7.2). CONCLUSION: Prevalence of low serum ferritin and IDA is increased in the first-generation Turkish and Moroccan geriatric migrant population. This might be caused by differences in iron intake or uptake from nutrition between the populations or because of gastrointestinal pathology; further study is warranted. PMID- 29219830 TI - A rare case of Waterhouse- Friderichsen syndrome during primary Varicella zoster infection. AB - Primary Varicella zoster virus infection in adults is associated with a higher risk of complications when compared with the benign disease course of primary infection during childhood. We present a rare complication of adult primary Varicella zoster in the form of acute, irreversible adrenal insufficiency due to bilateral adrenal haemorrhage, which is also known as the WaterhouseFriderichsensyndrome. PMID- 29219831 TI - Female urothelial cell carcinoma in a failed kidney graft of a male recipient. AB - We present a case of a male kidney transplant patient harbouring two kidney grafts of which one is functional. In the failed graft, he developed urothelial cell carcinoma with cells containing XX-chromosome, and female tumour cells were also found in the bladder. The patient underwent donor nephrectomy, was treated with epirubicin bladder instillations, and immunosuppression was tapered. Less than a year before re-transplantation a CT scan showed no abnormalities of the first graft. Transplantectomy before a second kidney transplantation is debated. PMID- 29219832 TI - Spontaneous rupture of a splenic artery aneurysm in a male patient. PMID- 29219833 TI - Answer to Photo Quiz: Spontaneous rupture of a splenic artery aneurysm in a male patient. PMID- 29219834 TI - A 52-year-old oncology patient with acute severe abdominal pain. PMID- 29219835 TI - Answer to Photo Quiz: A 52-year-old oncology patient with acute severe abdominal pain. PMID- 29219837 TI - Answer to Photo Quiz: What's the cause of this patient's angina? PMID- 29219836 TI - What's the cause of this patient's angina? PMID- 29219838 TI - Surface plasmon of three-dimensional Dirac semimetals. AB - The surface plasmon excitation spectrum is calculated for the semi-infinite 3D Dirac semimetal. We used the random phase approximation for the calculation of the surface dielectric function, from which we derived the dynamical structure factor. The surface excitation spectrum shows a well-defined strong surface plasmon peak due to the plasmon mode in the bulk, with a noticeable influence of electron-hole excitations at large wave vectors parallel to the surface. The obtained spectrum will be useful for experimentally exploring the surface spectral properties of 3D topological Dirac semimetals. PMID- 29219839 TI - Efficient exfoliation of layered materials by waste liquor. AB - Based on their unique material properties, two-dimensional (2D) nanomaterials such as graphene, molybdenum disulfide (MoS2), and boron nitride (BN) have been attracting increased research interest. The potential of 2D materials, in the form of nanoplatelets that are used as new materials, will be important to both nanomaterials and advanced materials. Water is usually considered to be the ideal dispersed medium, and the essential hydrophobicity and limitations to mass production of 2D nanoplatelets have become quite serious obstacles to their usage in various fields. In this paper, pulping black liquor was used as dispersant, with high concentration of lignin to get single- and few-layered nanoplatelets. The whole process required only the high-shear mixing of 2D layered materials and pulping waste liquor. This method was not only simple and efficient but also environmentally friendly and resource-recycling. Moreover, the fabricated single- or few-layered nanoplatelets possessed good solubility in aqueous solution due to their edge functionalization, and could be well dispersed in water at concentrations (10 mg ml-1 for graphene, 6.3 mg ml-1 for MoS2, and 6.0 mg ml-1 for BN) which were much higher than that of other methods. The dispersions of graphene, MoS2, and BN nanosheets were highly stable over several months, which allowed us to easily prepare graphene, MoS2, and BN films through simple vacuum filtration or spraying. These results indicated that pulping black liquor can be used as a material or reagent, and the mass production of 2D material is possible in a simple and fast method. PMID- 29219840 TI - Visible-light-induced Ag/BiVO4 semiconductor with enhanced photocatalytic and antibacterial performance. AB - An Ag-loaded BiVO4 visible-light-driven photocatalyst was synthesized by the microwave hydrothermal method followed by photodeposition. The photocatalytic performance of the synthesized samples was evaluated on a mixed dye (methylene blue and rhodamine B), as well as bisphenol A in aqueous solution. Similarly, the disinfection activities of synthesized samples towards the Gram-negative Escherichia coli (E. coli) in a model cell were investigated under irradiation with visible light (lambda >= 420 nm). The synthesized samples have monoclinic scheelite structure. Photocatalytic results showed that all Ag-loaded BiVO4 samples exhibited greater degradation and a higher mineralization rate than the pure BiVO4, probably due to the presence of surface plasmon absorption that arises due to the loading of Ag on the BiVO4 surface. The optimum Ag loading of 5 wt% has the highest photocatalytic performance and greatest stability with pseudo first-order rate constants of 0.031 min-1 and 0.023 min-1 for the degradation of methylene blue and rhodamine B respectively in a mixture with an equal volume and concentration of each dye. The photocatalytic degradation of bisphenol A reaches 76.2% with 5 wt% Ag-doped BiVO4 within 180 min irradiation time. Similarly, the Ag-loaded BiVO4 could completely inactivate E. coli cells within 30 min under visible light irradiation. The disruption of the cell membrane as well as degradation of protein and DNA exhibited constituted evidence for antibacterial activity towards E. coli. Moreover, the bactericidal mechanisms involved in the photocatalytic disinfection process were systematically investigated. PMID- 29219841 TI - Direct observation of thermal disorder and decomposition of black phosphorus. AB - Theoretical research has been devoted to reveal the properties of black phosphorus as a two-dimensional nanomaterial, but little attention has been paid for the experimental characterization. In this study, the thermal disorder and decomposition of black phosphorus were examined using in situ heating transmission electron microscopy experiments. We observed that the breaking of crystallographic symmetry begins at 380 degrees C under vacuum condition, followed by the phosphorus evaporates after long-term heating at 400 degrees C. This decomposition process can be initiated by the surficial vacancy and proceeds toward both interlayer ([010]) and intralayer ([001]) directions. The results on the thermal behavior of black phosphorus provide useful guidance for thin film deposition and fabrication processes with black phosphorus. PMID- 29219842 TI - Thermal expansion producing easier formation of a black phosphorus nanotube from nanoribbon on carbon nanotube. AB - As a novel one-dimensional material having excellent electrical properties, a black phosphorus (BP) nanotube has wide potential applications in nanodevices. A BP nanotube has not yet, however, been discovered in experiments or fabricated via chemical synthesis. In this study, the feasibility of forming a nanotube from a parallelogram nanoribbon upon a carbon nanotube (CNT) at different temperatures is discussed through the use of molecular dynamics simulations. Results obtained demonstrate that an ideal BP nanotube from the same nanoribbon can be obtained via self-assembly on a CNT at 50 K or lower temperature. At temperatures between 50-100 K, the BP nanotube formed from a single ribbon has defects at both ends. When the temperature is higher than 100 K, it is difficult to obtain a BP nanotube of high quality. It is discovered that when the ribbon can only wind upon the same CNT at low temperature, it may form into an ideal nanotube by increasing the temperature of the system. The reason is that the BP ribbon has a higher thermal expansion than the CNT under the same temperature difference. PMID- 29219843 TI - Negative differential resistance effect induced by metal ion implantation in SiO2 film for multilevel RRAM application. AB - Pt/SiO2:metal nanoparticles/Pt sandwich structure is fabricated with the method of metal ion (Ag) implantation. The device exhibits multilevel storage with appropriate R off/R on ratio, good endurance and retention properties. Based on transmission electron microscopy and energy dispersive spectrometer analysis, we confirm that Pt nanoparticles are spurted into SiO2 film from Pt bottom electrode by Ag implantation; during electroforming, the local electric field can be enhanced by these Pt nanoparticles, meanwhile the Ag nanoparticles constantly migrate toward the Pt nanoparticles. The implantation induced nanoparticles act as trap sites in the resistive switching layer and play critical roles in the multilevel storage, which is evidenced by the negative differential resistance effect in the current-voltage (I-V) measurements. PMID- 29219844 TI - Amine treatment induced perovskite nanowire network in perovskite solar cells: efficient surface passivation and carrier transport. AB - In the fabrication of high efficiency organic-inorganic metal halide perovskite solar cells (PSCs), an additional interface modifier is usually applied for enhancing the interface passivation and carrier transport. In this paper, we develop an innovative method with in-situ growth of one-dimensional perovskite nanowire (1D PNW) network triggered by Lewis amine over the perovskite films. To our knowledge, this is the first time to fabricate PSCs with shape-controlled perovskite surface morphology, which improved power conversion efficiency (PCE) from 14.32% to 16.66% with negligible hysteresis. The amine molecule can passivate the trap states on the polycrystalline perovskite surface to reduce trap-state density. Meanwhile, as a fast channel, the 1D PNWs would promote carrier transport from the bulk perovskite film to the electron transport layer. The PSCs with 1D PNW modification not only exhibit excellent photovoltaic performances, but also show good stability with only 4% PCE loss within 30 days in the ambient air without encapsulation. Our results strongly suggest that in situ grown 1D PNW network provides a feasible and effective strategy for nanostructured optoelectronic devices such as PSCs to achieve superior performances. PMID- 29219845 TI - Double-walled silicon nanotubes: an ab initio investigation. AB - The synthesis of silicon nanotubes realized in the last decade demonstrates multi walled tubular structures consisting of Si atoms in [Formula: see text] and the [Formula: see text] hybridizations. However, most of the theoretical models were elaborated taking as the starting point [Formula: see text] structures analogous to carbon nanotubes. These structures are unfavorable due to the natural tendency of the Si atoms to undergo [Formula: see text]. In this work, through ab initio simulations based on density functional theory, we investigated double-walled silicon nanotubes proposing layered tubes possessing most of the Si atoms in an [Formula: see text] hybridization, and with few [Formula: see text] atoms localized at the outer wall. The lowest-energy structures have metallic behavior. Furthermore, the possibility to tune the band structure with the application of a strain was demonstrated, inducing a metal-semiconductor transition. Thus, the behavior of silicon nanotubes differs significantly from carbon nanotubes, and the main source of the differences is the distortions in the lattice associated with the tendency of Si to make four chemical bonds. PMID- 29219846 TI - Organic-inorganic hybrid optical foils with strong visible reflection, excellent near infrared-shielding ability and high transparency. AB - Research on functional flexible films has recently been attracting widespread attention especially with regards to foils, which can be designed artificially on the basis of the practical requirements. In this work, a foil with high visible reflection and a strong near infrared shielding efficiency was prepared by a simple wet chemical method. In the process of making this kind of optical foil, emulsion polymerization was first introduced to synthesize polymer opals, which were further compressed between two pieces of polyethylene terephthalate (PET) foil under polymer melting temperature to obtain a photonic crystal film with a strong reflection in the visible region to block blue rays. The following step was to coat a layer of the inorganic nano paint, which was synthesized by dispersing Cs-doped WO3 (CWO) nanoparticles homogenously into organic resin on the surface of the PET to achieve a high near infrared shielding ability. The final composite foil exhibited unique optical properties such as high visible reflectance (23.9%) to block blue rays, and excellent near infrared shielding efficiency (98.0%), meanwhile it still maintained a high transparency meaning that this foil could potentially be applied in energy-saving window films. To sum up, this study provides new insight into devising flexible hybrid films with novel optical properties, which could be further extended to prepare other optical films for potential use in automobile, architectural and other decorative fields. PMID- 29219847 TI - Strong enhancement of emission efficiency in GaN light-emitting diodes by plasmon coupled light amplification of graphene. AB - Recently, we have demonstrated that excitation of plasmon-polaritons in a mechanically-derived graphene sheet on the top of a ZnO semiconductor considerably enhances its light emission efficiency. If this scheme is also applied to device structures, it is then expected that the energy efficiency of light-emitting diodes (LEDs) increases substantially and the commercial potential will be enormous. Here, we report that the plasmon-induced light coupling amplifies emitted light by ~1.6 times in doped large-area chemical-vapor deposition-grown graphene, which is useful for practical applications. This coupling behavior also appears in GaN-based LEDs. With AuCl3-doped graphene on Ga doped ZnO films that is used as transparent conducting electrodes for the LEDs, the average electroluminescence intensity is 1.2-1.7 times enhanced depending on the injection current. The chemical doping of graphene may produce the inhomogeneity in charge densities (i.e., electron/hole puddles) or roughness, which can play a role as grating couplers, resulting in such strong plasmon enhanced light amplification. Based on theoretical calculations, the plasmon coupled behavior is rigorously explained and a method of controlling its resonance condition is proposed. PMID- 29219848 TI - Embedded tin nanocrystals in silicon-an electrical characterization. AB - Tin nanocrystals embedded in a SiSn layer grown by molecular beam epitaxy on n type Si are investigated by means of deep level transient spectroscopy. Two Sn related deep traps are observed, depending on the annealing temperature of the samples. A deep level at [Formula: see text] (Sn1) is observed for annealing temperatures up to [Formula: see text]C, whereas a level at [Formula: see text] (Sn2) appears for annealing temperatures above [Formula: see text]C. Scanning transmission electron microscopy shows the formation of Sn nanocrystals at [Formula: see text]C, which coincides with the appearance of Sn2. Sn1 is tentatively assigned to a Sn related precursor defect, which transforms upon annealing into either Sn nanocrystals or an interface defect located at the nanocrystal surface. PMID- 29219849 TI - Multidirectional flexible force sensors based on confined, self-adjusting carbon nanotube arrays. AB - We demonstrate a highly sensitive force sensor based on self-adjusting carbon nanotube (CNT) arrays. Aligned CNT arrays are directly synthesized on silicon microstructures by a space-confined growth technique which enables a facile self adjusting contact. To afford flexibility and softness, the patterned microstructures with the integrated CNTs are embedded in polydimethylsiloxane structures. The sensing mechanism is based on variations in the contact resistance between the facing CNT arrays under the applied force. By finite element analysis, proper dimensions and positions for each component are determined. Further, high sensitivities up to 15.05%/mN of the proposed sensors were confirmed experimentally. Multidirectional sensing capability could also be achieved by designing multiple sets of sensing elements in a single sensor. The sensors show long-term operational stability, owing to the unique properties of the constituent CNTs, such as outstanding mechanical durability and elasticity. PMID- 29219850 TI - Controlled growth of gold nanocrystals on biogenic As-S nanotubes by galvanic displacement. AB - Traditional methods for fabricating nanoscale arrays are usually based on lithographic techniques while alternative new approaches rely on the use of nanoscale templates made of synthetic or biological materials. Here, gold (Au) nanocrystals were grown on the surface of the microbiologically formed As-S nanotubes through the process of galvanic displacement. The size and organization of the synthesized Au nanocrystals were affected by the pH dependent speciation of HAuCl4 precursors as well as the initial ratio of As-S/HAuCl4. We found that as pH increased, the Au nanocrystals grown on As-S nanotubes had smaller sizes but were more likely to assemble in one-dimension along the nanotubes. At a proper initial ratio of As-S/HAuCl4, Au nanotubes were formed at pH 6.0. The mechanism of Au nanostructures formation and the synthesis process at different pHs were proposed. The resulting Au nanoparticle/As-S nanotube and Au nanotube/As S nanotube hetero-structures may provide important properties to be used for novel nano-electronic devices. PMID- 29219851 TI - Oxygen sensitive polymeric nanocapsules for optical dissolved oxygen sensors. AB - Immobilization of the oxygen-sensitive probes (OSPs) in the host matrix greatly impacts the performance and long-term usage of the optical dissolved oxygen (DO) sensors. In this work, fluorescent dyes, as the OSPs, were encapsulated with a crosslinked fluorinated polymer shell by interfacial confined reversible addition fragmentation chain transfer miniemulsion polymerization to fabricate oxygen sensitive polymeric nanocapsules (NCs). The location of fluorescent dyes and the fluorescent properties of the NCs were fully characterized by fourier transform infrared spectrometer, x-ray photoelectron spectrometer and fluorescent spectrum. Dye-encapsulated capacity can be precisely tuned from 0 to 1.3 wt% without self quenching of the fluorescent dye. The crosslinked fluorinated polymer shell is not only extremely high gas permeability, but also prevents the fluorescent dyes from leakage in aqueous as well as in various organic solvents, such as ethanol, acetone and tetrahydrofuran (THF). An optical DO sensor based on the oxygen sensitive NCs was fabricated, showing high sensitivity, short response time, full reversibility, and long-term operational stability of online monitoring DO. The sensitivity of the optical DO sensor is 7.02 (the ratio of the response value in fully deoxygenated and saturated oxygenated water) in the range 0.96-14.16 mg l-1 and the response time is about 14.3 s. The sensor's work curve was fit well using the modified Stern-Volmer equation by two-site model, and its response values are hardly affected by pH ranging from 2 to 12 and keep constant during continuous measurement for 3 months. It is believed that the oxygen sensitive polymeric NCs based optical DO sensor could be particularly useful in long-term online DO monitoring in both aqueous and organic solvent systems. PMID- 29219852 TI - Dietary Crocin Reverses Melanoma Metastasis. AB - Crocus sativus and its bioactive constituent crocin are well known for anti-tumor potential in different models. However, the efficacy of crocin on in-vivo melanoma metastasis is not yet reported. In this study, melanoma metastatic model was developed by tail vein injection of B16F-10 cells in to C57BL/6 mice. Metastatic mice treated with two different doses of crocin (250 and 500 ug/kg of bodyweight) for 10 days and parameters such as lung metastasis inhibition, mean survival time, lung hydroxyproline, uronic acid and hexosamine levels were analyzed after 21 days of treatment. Then blood was collected and serum gamma glutamyl transpeptidase (g-GGT), sialic acid, tumor necrosis factor alpha (TNF a), interleukin 10 (IL-10), IL-6, IL-2, and TIMP-1 levels were measured. Further, a lung histological examination was done in crocin treated metastatic mice. Subsequently hallmark metastatic parameters such as matrix metalloproteases (MMPs), extracellular regulated kinase 2 (ERK2), vascular endothelial growth factor (VEGF), and K-ras gene expression were investigated in the lungs of crocin treated metastatic mice. Further, in-vitro adhesion, invasion and migration of B16F-10 cells were examined after 24 h of crocin (5 and 10 ug/mL) treatment. Administration of crocin to tumor bearing C57BL/6 mice reduced the lung metastasis by 85%. Elevated levels of hydroxyproline, uronic acid, hexosamine, serum sialic acid andg-GGT in metastatic control were found to be significantly reduced in crocin treated mice. Crocin also inhibited expression of MMP-2, MMP-9, ERK-2, K-ras, and VEGF. Crocin reduced the ability of B16F-10 cells invasion (p<0.05), migration (p<0.05) and adhesion by upregulating E-cadherin expression. In conclusion, crocin elicited marked anti-metastatic potential by regulating the metastasis induced biomarkers. PMID- 29219853 TI - Effects of a soybean milk product on feto-neonatal development in rats. AB - Since estrogenic pollutants and phytoestrogens can cause the disorder of the reproductive system, the effects of a soybean milk product (Vegemil(r) containing 162 ppm isoflavones) on the feto-neonatal development, including male reproductive function, were investigated. Pregnant rats were fed the soybean milk (5% or 100% in drinking water) from gestational day (GD) 6 to parturition or to post-natal day (PND) 56. Specifically, the rats were divided into 4 groups: the control group (drinking water), the GD5% group (5% soybean milk during only the GD period), the GD-PND5% group (5% soybean milk during the GD and PND periods), and the GD-PND100% group (100% soybean milk instead of water during the GD and PND periods). During the gestational, lactational, and developmental periods, the reproductive and developmental parameters of dams and offspring were observed. Feeding soybean milk did not affect the birth and physical development of both male and female offspring. At PND57, the weights of the testes and epididymides of F1 males significantly increased by feeding a high concentration of the soybean milk (GD-PND100%). In addition, feeding of the soybean milk during both the GD and PND periods (GD-PND5% and GD-PND100%) enhanced the sperm counts and motility. The results indicate that soybean milk is safe for embryos, fetuses, and offspring, and improves the post-generational development of male reproductive function. PMID- 29219854 TI - Reconstruction of the Scapula in Pediatric and Adolescent Patients After Total Scapulectomy. A Report of 10 Patients Treated by Extracorporeal Irradiation and Reimplantation of the Scapula. AB - BACKGROUND: Ewing sarcoma of the scapula is uncommon. Restoration of shoulder function after total scapulectomy is challenging. Extracorporeal irradiation and reimplantation is a well-known method of biological reconstruction in orthopaedic oncology; yet very few reports in the literature describe its specific use in tumors of the scapula. PATIENTS AND METHODS: Ten patients with the diagnosis of Ewing sarcoma of the scapula were surgically treated by total scapulectomy and extracorporeal irradiation and reimplantation of the scapula. The mean age at presentation was 10 years (3 to 15 y). Six patients were male individuals and 4 were female individuals. An extracorporeal single dose of 5000 cGy was applied to each graft. At reimplantation, internal fixation was used in the first 2 cases, whereas, in the following 8 patients, stabilization was carried out by resuturing of the glenohumeral and acromioclavicular joint capsules without internal fixation. An ipsilateral Latissimus Dorsi muscle flap was used in all patients to cover the irradiated scapula. RESULTS: The mean follow-up duration was 29.2 months (13 to 50 m). At the latest follow-up, 8 patients were continuously disease free and 2 patients had systemic relapse. No patient had local recurrence. The mean musculoskeletal tumor society functional score was 87% (66.6% to 100%). Eight of the 10 patients (80%) could actively elevate the upper limb up to and beyond 90 degrees in both the forward and scapular planes. Complications included wound gaping in 2 patients (20%), dislocation of the acromioclavicular joint in 3 patients (30%), and partial resorption of the scapular graft in 5 patients (50%). No patient showed any progressive deterioration of his or her shoulder function throughout the follow-up period. CONCLUSIONS: The irradiated scapular graft provides a stable biological fulcrum for the reattached muscles of the shoulder joint after total scapulectomy, thereby providing an adequate postoperative range of shoulder elevation. A longer follow-up study is needed to evaluate the progression and effect of graft resorption on the functional outcome. LEVEL OF EVIDENCE: Level IV. PMID- 29219855 TI - Determining Hinge Abduction in Legg-Calve-Perthes Disease: Can We Reliably Make the Diagnosis? AB - BACKGROUND: Although hinge abduction is recognized as an important finding in children with Legg-Calve-Perthes disease, variable diagnostic criteria exist. The purpose of this study was (1) to test the interobserver and intraobserver agreement of the current definition of hinge abduction and (2) to develop consensus regarding key diagnostic features that could be used to improve our diagnostic criteria. METHODS: Four orthopaedic surgeons with subspecialty pediatric hip interest independently assessed 30 randomly ordered cases of Legg Calve-Perthes disease. Each case included 2 fluoroscopic images of hip arthrograms (anteroposterior and abduction views). Surgeons graded the cases in a binary manner (hinge/no-hinge) on 2 separate occasions separated by a 4-week interval. Following reliability testing and comprehensive review of the literature, consensus-building sessions were conducted to identify key diagnostic features. Surgeons then regraded a new series of cases. Interobserver and intraobserver agreement between first/second and third/fourth readings were assessed using the Fleiss kappa. RESULTS: Interobserver kappa for hinge abduction between the first and second surveys was 0.52 (with 0.41 to 0.60 considered moderate agreement), compared with 0.56 for the third and fourth surveys. First and second reading intraobserver agreement ranged from 0.59 to 0.83 compared with 0.75 to 1.00 for third and fourth reading. Consensus sessions identified several key diagnostic factors including: adequate visualization of the labral contour and ability of the lateral epiphysis to slip below the chondrolabral complex in abduction. Medial dye pooling, often due to asphericity of the femoral head, was not found to be a useful diagnostic criterion. CONCLUSIONS: Despite a combined experience of over 70 years among the reviewers, we found just slightly better than 50:50 agreement in what constitutes hinge abduction. Consensus discussions did improve our agreement but these modest changes emphasize how difficult it is to develop reliable diagnostic criteria for hinge abduction. As a result, we caution against using hinge abduction as an inclusion criteria or outcome measure for research purposes, as the diagnostic agreement can be inconsistent. LEVEL OF EVIDENCE: Level III-diagnostic study. PMID- 29219856 TI - The Interaction of Depressive Symptoms and Hazardous Drinking in Relation to Tobacco Craving Among Treatment Seeking Depressed Smokers: Sex Differences. AB - OBJECTIVES: The present study sought to address whether there is sex effect in the interactive effect between depressive symptoms and hazardous drinking in the prediction of smoking craving after cognitive-behavioral smoking cessation treatment among those with at least mild depression. METHODS: Participants (n = 114, mean age 42.0, SD = 9.73, 64% women) were treatment-seeking smokers who attended 6 weekly 1-hour sessions involving psychological treatment for cessation. Participants reported depressive symptoms and alcohol use at baseline and reported craving at baseline and after treatment. RESULTS: Results indicated that there was a statistically significant 3-way interaction (depression by alcohol use by sex) for smoking craving (B = -0.30, standard error [SE] = 0.14, P = 0.042) and appetitive craving (B = -.21, SE = 0.09, P = 0.031), but not negative reinforcement craving. The form of the significant interactions indicted that higher levels of depressive symptoms and alcohol use were related to greater levels of craving at the end of treatment only among men. CONCLUSIONS: The current findings provide novel empirical evidence suggesting that there is a clinically relevant interplay between depressive symptoms and alcohol use regarding general craving and appetitive craving among male treatment-seeking smokers. Although the present results should be replicated in larger samples, this type of research can inform the development of sex-specific interventions for smoking cessation. PMID- 29219857 TI - A Literature Review of Percutaneous Endoscopic Gastrostomy: Dealing With Complications. AB - Sufficient energy and essential nutrients are vital for normal growth and development in childhood. Ideally, nutrition should be provided orally. However, if the gastrointestinal system is functional, enteral tube feeding can be used when nutritional requirements cannot be provided orally, thus providing nutritional benefits and enabling positive disease management in pediatric patients. Postoperative care in children allows monitoring of the position and functionality of the tube; performing nutrition intolerance, growth, hydration, and nutritional assessments; and performing metabolic and complication follow ups. Tube feeding in pediatric patients is beneficial and has positive effects in controlling and managing diseases and providing appropriate nutrition in children. However, in postoperative patients, it is important to prevent potential complications, which can be classified into 5 groups: mechanical, gastrointestinal, metabolic, infectious, and pulmonary complications. Important points for managing complications include having enteral nutrition practices based on evidence-based guidelines, sharing outcomes with nurses working in clinical settings, creating enteral feeding guides in clinical settings, providing patients/patients' family with training in line with these guides, and maintaining follow-ups at home. This literature review discusses complications and practices regarding the management of complications after percutaneous endoscopic gastrostomy. PMID- 29219858 TI - The Precision of eCAP Thresholds Derived From Amplitude Growth Functions. AB - OBJECTIVE: An amplitude growth function (AGF) shows the amplitude of an electrically evoked compound action potential (eCAP) as a function of the stimulation current. AGFs can be used to derive the eCAP threshold, which represents the minimum amount of current needed to elicit a measurable eCAP. eCAP thresholds have been widely used clinically to, for example, assist with sound processor programming. However, no eCAP precision has been included to date. The aim of this study was to investigate the precision of eCAP thresholds and determine whether they are precise enough for clinical use. DESIGN: The study is retrospective, and the data comprised 826 AGFs, intraoperatively measured in 111 patients implanted with a HiRes90K cochlear implant (Advanced Bionics). For each AGF, the eCAP threshold was determined using two commonly used methods: linear extrapolation (LE) toward the x axis and detection of the last visible (LV) eCAP. Subsequently, the threshold confidence interval (TCI) of each eCAP threshold was calculated to serve as a metric for precision, whereby a larger TCI means a lower precision or reliability. Additionally, the eCAP thresholds results were compared with most recent behavioral fitting thresholds (T profile) to put the eCAP threshold analysis in clinical context. Thereby, the association between eCAP and behavioral thresholds was calculated, both for all subjects together (group analysis) and, in contrast to previous studies, within individual subjects. RESULTS: Our data show that the TCIs were larger with the LE method than with the LV method. The eCAP thresholds estimated by the LE method were systematically smaller than those estimated by the LV method, while the LE thresholds with the smallest TCIs correlated best with the LV thresholds. Correlation analysis between eCAP and behavioral thresholds revealed correlation coefficients of r = 0.44 and r = 0.54 for the group analysis of LE and LV thresholds, respectively. Within individual subjects, however, the correlation coefficients varied from approximately -1 to +1 for both LE and LV thresholds. Further analysis showed that across subjects, the behavioral thresholds fell within the TCIs of the eCAP threshold profiles. CONCLUSION: This study shows that eCAP thresholds have an uncertainty that can be estimated using TCIs. The size of the TCI depends on several factors, for example, the threshold estimation method and measurement conditions, but it is often larger than one would expect when just looking at the threshold values. Given these large TCIs, future research on eCAP thresholds should be accompanied by a measure of precision to correctly apply eCAP thresholds in clinical practice. Comparing our eCAP threshold results with T profiles indicates that the eCAP thresholds are possibly not precise enough to predict T profiles. PMID- 29219859 TI - In Search of Mobile Applications for Patients With Pelvic Floor Disorders. AB - OBJECTIVES: The aims of the study were to identify patient-centered applications (apps) in female pelvic medicine and reconstructive surgery and to evaluate them using a modified APPLICATIONS scoring system. METHODS: A comprehensive list of female pelvic medicine and reconstructive surgery search terms was used to identify apps in the iTunes store. Apps that were eligible for scoring were in English, pertinent to the search term, patient centered, and accurate. All five authors independently evaluated eligible apps using a modified APPLICATIONS scoring system and subsequently reconciled differences by discussion. RESULTS: One hundred and fifty-seven terms were generated and searched in the iTunes Store to reveal 4127 apps. Twenty-three eligible apps were scored. Approximately half (47%, 11/23) of the apps were free. Twelve (52%) apps cited scientific literature or expert source. Only 8 (35%) of the apps were also available in the Google Play Store. "Squeezy," "LeakFreeMe," and "Stop UTI" received the highest score of 14. CONCLUSIONS: Few identified apps were accurate and subsequently scored. Our results demonstrate that when searching for apps, patients are likely to obtain information that is not relevant or inaccurate, even if the appropriate search term is used. By carefully excluding inaccurate apps, providers should feel confident that the 23 scored apps can be shared with patients. PMID- 29219860 TI - How Change Catches Fire. PMID- 29219861 TI - Sacrocolpopexy With Concomitant Total vs Supracervical Hysterectomy: Functional Support Comparisons in Cadavers. AB - OBJECTIVE: This study aimed to compare the ability of abdominal sacrocolpopexy (ASC) with concomitant total vs supracervical hysterectomy to resist downward traction as a measure of functional anatomic support in human cadavers. METHODS: Supracervical hysterectomy was performed on unembalmed cadaver specimens, followed by ASC attaching polypropylene mesh to the posterior cervix/vagina only and then the anterior and posterior cervix/vagina. Using a metal bolt placed through the cervix tied to a filament passing through a fixed pulley system, successive weights of 0.5 to 3.0 kg were added to provide increasing loads on the apex (cervix), and the distances traversed by the apex were recorded. The same process was then repeated in each specimen after removal of the cervix (with vaginal cuff closure). One-way and repeated-measures analysis of measure was used for between-group and within-group comparisons, respectively, with P <= 0.05 considered statistically significant. RESULTS: Eight cadavers were examined. At lower weight loads, pulling distances in the 4 groups examined were similar and were not significantly different with the presence or absence of the cervix. At weight loads of 2.5 kg or greater, we noted a trend of increased pulling distances when posterior mesh only was used vs when anterior/posterior mesh was placed, although this difference was not significant. Interestingly, there was tearing of the vaginal wall or partial separation of mesh/sutures attachments to the vagina noted in 3 specimens. CONCLUSIONS: This study showed no differences in the ability of the cervix (after supracervical hysterectomy) compared with the vaginal cuff (after total hysterectomy) to resist downward traction of successive weights after ASC. Clinical trials are necessary to correlate these findings with prolapse recurrence rates and patient satisfaction following these procedures. PMID- 29219862 TI - When Can We Predict the Outcome of an Electroconvulsive Therapy Course in Adolescents?: A Retrospective Study. AB - OBJECTIVE: There is a dearth of up-to-date literature regarding electroconvulsive therapy (ECT) in adolescents, and the question of when to pronounce course failure has not been properly addressed. The current study aims to evaluate trajectories of clinical status throughout ECT courses in adolescent patients. METHODS: We retrieved detailed data of 36 patients who received ECT in our treatment center. Clinical records were retrospectively assessed and evaluated every 6 ECT sessions to quantify Clinical Global Impressions-Improvement (CGI-I) scores. RESULTS: The mean number of sessions per course was 24.4 +/- 14.2. The mean CGI-I score at the conclusion of the ECT courses was 2.47 +/- 1.19. At the end of the acute treatment stage, 26 patients (72.2%) were much or very much improved, based on CGI-I scores. Only 5 patients exhibited a significant response after 6 sessions or fewer, whereas 21 patients (56.6%) improved after 12 sessions. Pearson correlations between CGI-I scores throughout the course of ECT showed no significant correlation between CGI-I scores after 6 sessions and the final CGI-I scores. However, a significant correlation was found between CGI-I scores after 12 sessions and the final CGI-I score. CONCLUSIONS: An improvement in the clinical status of adolescents treated by ECT might occur only after a substantial number of sessions. An early lack of response does not necessarily predict a failed ECT course. PMID- 29219863 TI - The challenges of evidence implementation: it's all about the context. PMID- 29219864 TI - Characteristics and processes of clinical reasoning in nurses and factors related to its use: a scoping review protocol. AB - REVIEW QUESTION/OBJECTIVE:: The objectives of the scoping review are to. PMID- 29219865 TI - Impact of male partner involvement on modern contraceptive use among married or partnered women in developing countries: a protocol for systematic review. AB - REVIEW QUESTION/OBJECTIVE:: The objective of this systematic review is to explore the impact of male partner involvement on modern contraceptive use among married or partnered women of reproductive age in developing countries. Specifically, does male partner involvement. PMID- 29219866 TI - Educational interventions that address handover skills of healthcare professionals: a scoping review protocol. AB - OBJECTIVES: The objective of this scoping review is to identify, organize and present existing literature on training interventions on handovers for healthcare professionals to highlight the existing gaps in evidence to inform future research in this field. More specifically the objectives are to. PMID- 29219867 TI - Interventions and programs that support the health and development of infants with prenatal alcohol and/or drug exposure in foster care: a scoping review protocol. AB - REVIEW QUESTION/OBJECTIVE: The objective of this scoping review is to identify and describe caregiving interventions and program elements that support the health and development of infants with prenatal alcohol and/or drug exposure in foster care. PMID- 29219868 TI - Experiences of healthcare middle managers in developing capacity and capability to manage complexity: a systematic review protocol. AB - REVIEW QUESTION/OBJECTIVE:: The objective of this review is to explore the experiences of healthcare middle managers in developing capacity and capability to manage in a leadership role characterized by high complexity. PMID- 29219869 TI - Comparison of vegetarian versus animal-based low protein diets on estimated glomerular filtration rates in chronic kidney disease patients: a systematic review protocol. AB - REVIEW QUESTION/OBJECTIVE:: The objective of this review is to evaluate studies to determine the effect of a low-protein, vegetarian diet as compared to a low protein, animal-based diet on estimated glomerular filtration rates (eGFR) in adults with chronic kidney disease (CKD). PMID- 29219870 TI - Registered nurse experiences of nursing professional identity: a qualitative systematic review protocol. AB - REVIEW QUESTION/OBJECTIVE: The objective of this review is to identify, appraise and synthesize the best available evidence related to registered nurses' experiences of nursing professional identity in nursing care settings. PMID- 29219871 TI - Reflection in the training of nurses in clinical practice settings: a scoping review protocol. AB - REVIEW QUESTION/OBJECTIVE: This scoping review will seek to find answers for the following questions which will focus on the use of reflection in the education of nurses in clinical settings:The review will also extract and map data regarding: i) what outcomes have been found in relation to the use of different tools and approaches (e.g. dialogues, diaries, case studies); ii) how approaches and tools have been implemented as interventions; iii) details of the topic or focus of reflection (e.g. ethical issues, care of older adults etc.); iv) details about the participants involved in reflection activities (e.g. first or second year undergraduate nursing students etc.); and v) barriers/challenges to the use of reflection approaches/tools. Additional details may also be extracted and mapped during the process of the scoping review and this will be explained in the final scoping review report. PMID- 29219872 TI - Effectiveness of decision aids on smoking cessation in adult patients: a systematic review protocol. AB - REVIEW QUESTION: The objective of this review is to determine the effectiveness of the use of decision aids in a shared decision-making encounter between any healthcare provider and adult patients who smoke, compared to standard education on smoking cessation, in any healthcare setting.Specifically, the review questions are: What is the effectiveness of the use of decision aids in a shared decision-making encounter in any healthcare setting between the healthcare provider and adult patients who smoke compared to standard education, based on the patient's. PMID- 29219873 TI - Efficacy and harms of pharmacological interventions for neurobehavioral symptoms in post traumatic amnesia after traumatic brain injury: a systematic review and meta-analysis protocol. AB - REVIEW OBJECTIVE/QUESTION: The objective of this systematic review is to synthesize the best available evidence on the effectiveness and harms of pharmacotherapy as compared to all types of comparators for the management of neurobehavioral symptoms in post-traumatic amnesia in adults aged 16 years and over who have sustained a traumatic brain injury. This review forms part of a larger project which aims to gather the evidence for the pharmacological treatment of neurobehavioral symptoms post traumatic brain injury as a prelude to the development of a clinical guideline. PMID- 29219874 TI - Experiences of community-dwelling older adults with the use of telecare in home care services: a qualitative systematic review. AB - BACKGROUND: The aging population will lead to a rise in the number of people with age-related diseases, and increasing demand for home care services. Telecare is seen as a solution to this challenge by promoting aging in place. Nevertheless, there is still a poor understanding of older adults' experiences with the actual use of telecare. OBJECTIVE: The aim of this review was to identify and synthesize the best available qualitative evidence of community-dwelling older adults' experience with the use of telecare in home care services. INCLUSION CRITERIA: This review considered studies that focused on qualitative data, examining older adults' experiences with the use of active and passive technology devices, such as personal alarms and sensor technology, in the context of home care services. SEARCH STRATEGY: This review systematically searched the databases Scopus, CINAHL, PsycINFO, and SveMed+ to find both published and unpublished studies in English, Norwegian, Swedish and Danish, from 2005 to 2017. METHODOLOGICAL QUALITY: Methodological quality of the included studies was assessed independently by two reviewers using the Joanna Briggs Institute Qualitative Assessment and Review Instrument. DATA EXTRACTION: Qualitative data were extracted from papers included in the review using the standardized Qualitative Assessment and Review Instrument from the Joanna Briggs Institute. DATA SYNTHESIS: Qualitative research findings were pooled using the Joanna Briggs Institute Qualitative Assessment and Review Instrument, and involved aggregation and synthesis of findings. RESULTS: A total of 118 findings from 11 studies were aggregated into 20 categories. The categories generated seven synthesized findings: 1) Aging in place is desired; however, it may also be related to feeling isolated and lonely. 2) Telecare contributes to safety, security, and aging in place. 3) Privacy is not seen as a problem by most older adults because the technology is intended to help them live safely in their own home. 4) Some telecare devices have side effects, especially new technology. Some devices do not work outside the home, thus limiting active aging. 5) Some older adults experience a misfit between technology and needs. They must see the value of a telecare device to use it. 6) Telecare may enforce an identity with negative connotations on older adults, as frail and helpless people. Autonomy is considered important. 7) Lack of understanding can hamper the correct use of telecare. Specific strategies may be needed. CONCLUSIONS: The experiences with the use of telecare are diverse. Findings indicate telecare systems can promote safety and security to age in place that is a wish of many older adults. However, "one size does not fit all"- Telecare systems must fit individual needs, and be supported by service providers to accommodate sustainable use over time. PMID- 29219875 TI - eHealth interventions for parents in neonatal intensive care units: a systematic review. AB - BACKGROUND: As technology becomes increasingly more advanced, particularly video technology and interactive learning platforms, some neonatal intensive care units are embracing electronic health (eHealth) technologies to enhance and expand their family-centered care environments. Despite the emergence of eHealth, there has been a lack of systematic evaluation of its effectiveness thus far. OBJECTIVES: To examine the effect of eHealth interventions used in neonatal intensive care units on parent-related and infant outcomes. INCLUSION CRITERIA TYPES OF PARTICIPANTS: This review considered studies that included parents or primary caregivers of infants requiring care in a neonatal intensive care unit. TYPES OF INTERVENTION(S): This review considered studies that evaluated any eHealth interventions in neonatal intensive care units, including education (e.g. web-based platforms, mobile applications); communication (e.g. videos, SMS or text messaging), or a combination of both. Comparators included no eHealth interventions and/or standard care. TYPES OF STUDIES: Experimental and epidemiological study designs including randomized controlled trials, non randomized controlled trials, quasi-experimental, before and after studies, prospective and retrospective cohort studies, case-control studies, and analytical cross sectional studies were considered. OUTCOMES: This review considered studies that included parent-related outcomes (use and acceptance, stress/anxiety, confidence, financial impact, satisfaction and technical issues) and neonatal outcomes (length of stay, postmenstrual age at discharge, parental presence and visits). SEARCH STRATEGY: A systematic search was undertaken across four databases to retrieve published studies in English from inception to November 18, 2016. METHODOLOGICAL QUALITY: Critical appraisal was undertaken by two independent reviewers using standardized critical appraisal instruments from the Joanna Briggs Institute System for the Unified Management, Assessment and Review of Information (JBI-SUMARI). DATA EXTRACTION: Quantitative data were extracted from included studies independently by two reviewers using the standardized data extraction tool from JBI-SUMARI. DATA SYNTHESIS: A comprehensive meta-analysis for all outcomes was not possible and data has been reported narratively for all outcomes. RESULTS: Eight studies met inclusion criteria and were included in the review. The majority of the studies were low to very low quality. The study design and type of eHealth technology examined varied greatly. There appears to be growing interest in the topic as over half of the included studies were published within the past two years. Primary findings suggest parent acceptance and use of eHealth interventions but an unclear impact on neonatal outcomes, particularly on length of stay, a commonly reported neonatal outcome. Due to the variation in eHealth interventions, and heterogeneity across studies, meta-analysis was not possible. Numerous single studies and small sample sizes limited the degree of adequate strength to determine statistical differences across outcomes. CONCLUSIONS: While heterogeneity across studies precluded meta-analysis, consistent trends across all studies examining parental acceptance of eHealth interventions indicate that parents are willing to accept eHealth interventions as part of their neonatal intensive care, suggesting that the incorporation and evaluation of eHealth interventions in the neonatal intensive care unit setting is warranted. Further high quality studies are needed with larger sample sizes to detect changes in outcomes. As eHealth intervention studies move beyond feasibility and implementation, there is a demand for randomized control trials to examine the effect of eHealth interventions on parent and neonatal outcomes compared to usual care. Future studies should consider reporting of outcomes using standardized measures which would allow comparison across eHealth interventions in subsequent reviews. PMID- 29219876 TI - Effectiveness of patient-centered interventions on falls in the acute care setting compared to usual care: a systematic review. AB - BACKGROUND: Unintentional falls during hospitalization remain a concern for healthcare institutions globally despite implementation of various improvement strategies. Although the incidence of falls has been of heightened focus for many years and numerous studies have been done evaluating different approaches for fall prevention, fall rates remain high in acute care settings. Patient fall risk scales tend to address only particular intrinsic and extrinsic factors but do not adequately assess a patient's current fall risk status, subsequently warranting more patient-centered risk assessments and interventions. OBJECTIVES: To evaluate the effectiveness of patient-centered interventions on falls in the acute care setting. INCLUSION CRITERIA TYPES OF PARTICIPANTS: All adult patients admitted to medical or surgical acute care units for any condition or illness. TYPES OF INTERVENTION(S): Patient-centered intervention strategies to reduce falls compared to usual care. TYPES OF STUDIES: Randomized control trials. TYPES OF OUTCOMES: Primary outcome: fall rates or number of falls. Secondary outcome: fall related injuries. SEARCH STRATEGY: A comprehensive search strategy aimed to find relevant published and unpublished quantitative, English language studies from the inception of databases through July 30, 2016 was undertaken. Databases searched included: PubMed, CINAHL, Embase and Health Source: Nursing/Academic Edition. A search for unpublished studies was also performed using ProQuest Dissertations and Theses, the New York Academy of Medicine and the Virginia Henderson e-Repository. METHODOLOGICAL QUALITY: Reviewers evaluated the included studies for methodological quality using the standardized critical appraisal instrument form from the Joanna Briggs Institute. DATA EXTRACTION: Quantitative data were extracted from papers included in the review using the standardized data extraction form from the Joanna Briggs Institute. DATA SYNTHESIS: Due to clinical and methodological heterogeneity among the included studies, a meta analysis was not possible. The findings of this review have been presented in narrative form. RESULTS: Five randomized control trials were included. Three studies demonstrated statistically significant reductions in fall rates (p < 0.04) while two studies showed no difference in fall rates between groups (p > 0.5). In the three studies that demonstrated reduced fall rates, personalized care plans and patient-centered education based on patients' fall risk results were utilized. Three studies measured the secondary outcome of fall-related injuries; however, results demonstrated no difference in fall-related injuries between groups (p > 0.5). CONCLUSIONS: Evidence of this review indicates patient centered interventions in addition to tailored patient education may have the potential to be effective in reducing falls and fall rates in acute care hospitals. There is limited high quality evidence demonstrating the effectiveness of patient-centered fall prevention interventions so novel solutions are urgently needed and warrant more rigorous, larger scale randomized trials for more robust estimates of effect. PMID- 29219877 TI - Effectiveness of robotic assisted rehabilitation for mobility and functional ability in adult stroke patients: a systematic review. AB - BACKGROUND: Stroke is a leading cause of long-term disability, and rehabilitation, involving repetitive, high intensity, task-specific exercises, is the pathway to restoring motor skills. Robotic assistive devices are increasingly being used and it is hoped that with robotic devices, rehabilitation progress can be achieved for patients. OBJECTIVES: To examine the effectiveness of robotic devices in the rehabilitation of stroke patients for upper limb mobility, lower limb mobility, and activities of daily living. The sustainability of treatment effect was also examined. INCLUSION CRITERIA TYPES OF PARTICIPANTS: Adult stroke patients 18 years and over. TYPES OF INTERVENTION(S): Rehabilitation of stroke patients using robotic devices with assistive automation, compared to conventional physiotherapy. OUTCOMES: Motor movements of upper limbs, walking movement of lower limbs and activities of daily living, including follow-up measurements to examine the sustainability of treatment effect. TYPES OF STUDIES: Randomized and controlled clinical trials. SEARCH STRATEGY: Published and unpublished studies in English were searched. METHODOLOGICAL QUALITY: All studies meeting the review inclusion criteria were independently assessed for methodological quality by two reviewers. DATA EXTRACTION: Quantitative data were extracted using the standardized data extraction tool from the Joanna Briggs Institute Meta-Analysis of Statistics Assessment and Review Instrument. DATA SYNTHESIS: Quantitative data were pooled in statistical meta-analysis. Effect sizes expressed as standardized mean difference, 95% confidence intervals and levels of heterogeneity (I) were calculated. Where statistical pooling was not possible, the findings were presented in narrative form. RESULTS: Fifty-one studies with 1798 patients were included in this review. Thirty studies examined upper limb interventions and 21 studies evaluated lower limb gait training. Non significant results were found for upper limb (SMD 0.07, 95% CI -0.11 to 0.26, I = 41%, P = 0.45), lower limb (SMD 0.17, 95% CI -0.15 to 0.48, I = 75%, P = 0.31) and activities of daily living (SMD 0.11, 95% CI -0.11 to 0.33, I = 66%, P = 0.32). For patients with severely impaired lower limbs, a significant difference was observed in favor of robotics (SMD 0.41, 95% CI 0.19 to 0.63, I = 28%, P = 0.0003). P-value analysis did not show significant results for the sustainability of treatment effect post intervention. CONCLUSIONS: Robotic training is just as effective as conventional training for upper limb motor movement, lower limb walking mobility and for activities of daily living. For lower limb patients with severe impairment, robotic training produces better outcomes than conventional training. The sufficient quantity of studies included and the reasonable quality of Grading of Recommendations Assessment, Development and Evaluation (GRADE) evidence support the findings.For treatment sustainability of upper and lower limbs, robotic training is just as effective as conventional training. However, the low quality of GRADE evidence and the lower number of studies included require caution for this finding. For treatment sustainability of activities of daily living, the better quality of GRADE evidence and the larger number of studies analyzed indicate that robotic training is just as effective as conventional training. PMID- 29219878 TI - Community-based management of multiple drug resistant tuberculosis in a tertiary hospital in Tanzania: a best practice implementation project. AB - BACKGROUND: The World Health Organization (WHO) has prioritized collaboration with communities in its 2016 "End TB" implementation strategy. Acknowledging the difficulties that some communities face in gaining access to health facilities due to barriers such as stigma, discrimination, healthcare expenditure, transport and income loss, partnering with communities in the roll-out of community-based TB management activities is vital. AIM: The aim of this project was to make a contribution to promoting evidence-based practice with regards to the community based management of multidrug-resistant tuberculosis (MDR-TB) at Kibong'oto National Infectious Disease Hospital, Tanzania, and thereby supporting improvements in patient outcomes and resource utilization. METHODS: The project utilized the Joanna Briggs Institute Practical Application of Clinical Evidence System (JBI PACES) program to facilitate the collection of pre- and post-audit data. The Getting Research into Practice (GRiP) module was also used to analyze the potential barriers and for designing the final action plan. This project was conducted in three phases over a three-month period at the MDR-TB unit in a referral hospital in Northern Tanzania. RESULTS: The project showed that there were significant improvements in compliance rates in staff education and documentation of patients' suitability and preferences in receiving community based care for MDR-TB. The compliance rate of criterion 2, which was already 100% at baseline, was slightly lower at follow-up. CONCLUSIONS: The project achieved significant improvements in the delivery of evidence-based practice with regards to community-based management of MDR-TB. PMID- 29219879 TI - Influence of the alkylating function of aldo-Ifosfamide on the anti-tumor activity. AB - The present work investigates the influence of different DNA damages caused by different isophosphoramide mustards on the 3-hydroxypropanal-assisted apoptotic antitumor activity of oxazaphosphorine cytostatics using I-aldophosphamide perhydrothiazine (IAP) and mesyl-I-aldophosphamide-perhydrothiazine (SUM-IAP) for in-vitro and in-vivo experiments. IAP and SUM-IAP hydrolyze spontaneously to the corresponding I-aldophosphamide derivatives. They differ in the chemical structure of the alkylating moiety, whereas IAP has two chlorethyl groups in the SUM-IAP molecule, one chlorethyl group is substituted by a mesylethyl group. With both substances, cytotoxicity studies on P388 tumor cells in vitro and therapy experiments in mice bearing advanced growing P388 tumors were carried out. IAP was significantly more cytotoxic in-vitro than SUM-IAP, but the antitumor activity of SUM-IAP was by order of magnitude higher than the antitumor activity of IAP. The reason for these findings is discussed with respect to the enzymatic cleavage of the various I-aldophosphamide derivatives to the corresponding isophosphoramide mustards and 3-hydroxypropanal. Overall, the findings indicate that antitumor activity of ifosfamide and derivatives of ifosfamide can be improved considerably by altering the alkylating moiety of the molecule, but retaining the aldophosphamide structure. PMID- 29219880 TI - The Health Information Technology Competencies Tool: Does It Translate for Nursing Informatics in the United States? AB - Information technology use in healthcare delivery mandates a prepared workforce. The initial Health Information Technology Competencies tool resulted from a 2 year transatlantic effort by experts from the US and European Union to identify approaches to develop skills and knowledge needed by healthcare workers. It was determined that competencies must be identified before strategies are established, resulting in a searchable database of more than 1000 competencies representing five domains, five skill levels, and more than 250 roles. Health Information Technology Competencies is available at no cost and supports role- or competency-based queries. Health Information Technology Competencies developers suggest its use for curriculum planning, job descriptions, and professional development.The Chamberlain College of Nursing informatics research team examined Health Information Technology Competencies for its possible application to our research and our curricular development, comparing it originally with the TIGER based Assessment of Nursing Informatics Competencies and Nursing Informatics Competency Assessment of Level 3 and Level 4 tools, which examine informatics competencies at four levels of nursing practice. Additional analysis involved the 2015 Nursing Informatics: Scope and Standards of Practice. Informatics is a Health Information Technology Competencies domain, so clear delineation of nursing-informatics competencies was expected. Researchers found TIGER-based Assessment of Nursing Informatics Competencies and Nursing Informatics Competency Assessment of Level 3 and Level 4 differed from Health Information Technology Competencies 2016 in focus, definitions, ascribed competencies, and defined levels of expertise. When Health Information Technology Competencies 2017 was compared against the nursing informatics scope and standards, researchers found an increase in the number of informatics competencies but not to a significant degree. This is not surprising, given that Health Information Technology Competencies includes all healthcare workers, while the TIGER-based Assessment of Nursing Informatics Competencies and Nursing Informatics Competency Assessment of Level 3 and Level 4 tools and the American Nurses Association Nursing Informatics: Scope and Standards of Practice are nurse specific. No clear cross mapping across these tools and the standards of nursing informatics practice exists. Further examination and review are needed to translate Health Information Technology Competencies as a viable tool for nursing informatics use in the US. PMID- 29219882 TI - Concordance of Motion Sensor and Clinician-Rated Fall Risk Scores in Older Adults. PMID- 29219881 TI - Nursing Knowledge and the 2017 Big Data Science Summit: Power of Partnership, Imaging, Impact. PMID- 29219883 TI - Zika Virus and the Rio Olympic Games. AB - OBJECTIVE: To evaluate the impact of Zika virus on preparation and management of the New Zealand (NZ) Olympic team. DESIGN: Descriptive manuscript. SETTING: New Zealand Olympic Health team preparation and management during the Rio de Janeiro Olympic Games, 2016. PATIENTS (OR PARTICIPANTS): New Zealand Olympic Team members. INTERVENTIONS (OR ASSESSMENT OF RISK FACTORS): This manuscript describes the approaches used by the NZ Olympic Health team to the minimization of risk from Zika virus. MAIN OUTCOME MEASURES: Although descriptive of approach forms most of the article, the results of Zika virus serology are presented. RESULTS: The NZ Olympic Health team took a proactive approach to risk mitigation, including extensive education, clothing changes, mosquito spray, mosquito nets, and voluntary postexposure testing. No positive serology was observed in those tested. CONCLUSIONS: The outbreak of Zika virus in Brazil, the associated complication of microcephaly, and the evolving understanding of virus transmission created significant uncertainty for NZ Olympic team members. The proactive approach taken by the health team to the mitigation of risk, combined with the anticipated low risk of arbovirus transmission over the period of the games, resulted in enhanced confidence from team members and no reports of positive serology. PMID- 29219884 TI - Abduction in Proximal Hamstring Tendon Avulsion Injury Mechanism-A Report on 3 Athletes. AB - Proximal hamstring tendon avulsions are typically sustained during forced hip hyperflexion combined with knee extension. We present 3 cases of athletes with a proximal hamstring tendon avulsion caused by an alternative injury mechanism that also involves a considerable hip abduction component (flexion-abduction injury mechanism). All cases had at least one concurrent injury of the medial thigh muscles, either on the ipsilateral or contralateral side. The 2 elite athletes with this injury mechanism returned to sport at preinjury level relatively quickly. A history of the flexion-abduction mechanism should raise suspicion of a hamstring tendon avulsion with concomitant injury of the medial thigh muscles. The magnetic resonance imaging (MRI) protocol should include both legs, and any concurrent injury may need to be addressed as well. In future studies, it would be interesting to investigate whether injury mechanism holds prognostic value in proximal hamstring tendon avulsions. PMID- 29219885 TI - Displaced Clavicle Fractures in Cyclists: Return to Athletic Activity After Anteroinferior Plate Fixation. AB - BACKGROUND: One of the most commonly observed injuries in cycling is fracture of the clavicle. Nevertheless, there is limited literature available on clinical outcomes after plate fixation of clavicle fractures in cyclists, rehabilitation protocols, and the time to return to sports. PURPOSE: The aim of this study was to evaluate the functional outcome, complications, and return to athletic activity at short-term follow-up after surgical repair. STUDY DESIGN: Case series. METHODS: Between January 2008 and October 2014, all professional and recreational cyclists presenting with a new clavicle fracture at the emergency department were prospectively recorded. All patients had an anteroinferior plate fixation, variable angle locking compression plate (DePuySynthes). Patients were seen at 2, 6, and 24 weeks at the outpatient clinic to gather Disability of the Arm, Shoulder, and Hand (DASH) and Constant shoulder questionnaires and radiographs were made. Cyclists were allowed to resume outside training 1 week after surgery. RESULTS: Ten professional cyclists and 15 recreational cyclists were included. All (25/25) patients returned to cycling after plate fixation. Mean Constant scores and mean DASH scores of 96.8 +/- 4.1 and 5.1 +/- 5.5 at 6 weeks and 99.1 +/- 1.5 and 2.9 +/- 4.6 at 24 weeks were measured. There were 3 complications: 1 patient developed a nonunion, there was 1 wound infection requiring antibiotics, and in 1 patient, a refracture occurred. CONCLUSION: Plate fixation for cyclists with displaced clavicle fractures was successful in terms of fast return to previous level of athletic activity. It is a valuable and safe option for athletes in cycling. PMID- 29219886 TI - Impact of Clavicle Fractures on Return to Play and Performance Ratings in NFL Athletes. AB - OBJECTIVE: Clavicle fractures in the National Football League (NFL) have gained significant attention because of their impact on high profile athletes; however, little has been published on the overall impact of these injuries. This study sought to determine the time to return to play and quantitative impact on athletic performance after clavicle fractures in NFL athletes. DESIGN: Retrospective Cohort Study; Level of evidence, 3. SETTING: Retrospective cohort study of NFL athletes based on published injury reports and player statistics. PARTICIPANTS: This study consisted of 17 NFL athletes who sustained a clavicle fracture from 1998 to 2015 and returned to the field after the injury during the study period. Three athletes were excluded from performance analysis because of not playing for the entire season after injury. Control groups consisted of position-matched NFL athletes who competed in the 2013 NFL season without an identified clavicle injury. MAIN OUTCOME MEASURES: Median time to return to play after a clavicle fracture and the impact on player performance rating. RESULTS: Athletes returned to the competition after a median of 3.47 months after injury and missed a median of 8 games. There was no statistically significant impact on athletic performance after returning to play. CONCLUSION: Although clavicle fractures did have a significant impact on athletes because of lost playing time, there was no statistically significant difference in player performance after the injury when compared with a control group. PMID- 29219887 TI - Short-term Automated Quantification of Radiologic Changes in the Characterization of Idiopathic Pulmonary Fibrosis Versus Nonspecific Interstitial Pneumonia and Prediction of Long-term Survival. AB - PURPOSE: Fibrotic interstitial lung diseases presenting with nonspecific and overlapping radiologic findings may be difficult to diagnose without surgical biopsy. We hypothesized that baseline quantifiable radiologic features and their short-term interval change may be predictive of underlying histologic diagnosis as well as long-term survival in idiopathic pulmonary fibrosis (IPF) presenting without honeycombing versus nonspecific interstitial pneumonia (NSIP). MATERIALS AND METHODS: Forty biopsy-confirmed IPF and 20 biopsy-confirmed NSIP patients with available high-resolution chest computed tomography 4 to 24 months apart were studied. CALIPER software was used for the automated characterization and quantification of radiologic findings. RESULTS: IPF subjects were older (66 vs. 48; P<0.0001) with lower diffusion capacity for carbon monoxide and higher volumes of baseline reticulation (193 vs. 83 mL; P<0.0001). Over the interval period, compared with NSIP, IPF patients experienced greater functional decline (forced vital capacity, -6.3% vs. -1.7%; P=0.02) and radiologic progression, as noted by greater increase in reticulation volume (24 vs. 1.74 mL; P=0.048), and decrease in normal (-220 vs. -37.7 mL; P=0.045) and total lung volumes (-198 vs. 58.1 mL; P=0.03). Older age, male gender, higher reticulation volumes at baseline, and greater interval decrease in normal lung volumes were predictive of IPF. Both baseline and short-term changes in quantitative radiologic findings were predictive of mortality. CONCLUSIONS: Baseline quantitative radiologic findings and assessment of short-term disease progression may help characterize underlying IPF versus NSIP in those with difficult to differentiate clinicoradiologic presentations. Our study supports the possible utility of assessing serial quantifiable high-resolution chest computed tomographic findings for disease differentiation in these 2 entities. PMID- 29219888 TI - Computed Tomography Features associated With the Eighth Edition TNM Stage Classification for Thymic Epithelial Tumors. AB - PURPOSE: The eighth edition of the TNM classification of malignant tumors for the first time includes an official staging system for thymic epithelial tumors (TETs) recognized by the American Joint Committee on Cancer (AJCC) and the Union for International Cancer Control (UICC). Staging is critical for the management of TETs, and determining stage accurately from imaging has the potential to improve clinical outcomes. We examine preoperative computed tomography (CT) characteristics of TETs associated with AJCC/UICC pathologic TNM stage. MATERIALS AND METHODS: In this retrospective study, patients were included if they met all the following criteria: (1) diagnosis of TET, (2) had primary curative intent surgery performed at Stanford University, and (3) had available preoperative CT imaging for review. Tumor pathology was staged according to the eighth edition TNM classification. Fifteen CT scan features were examined from each patient case according to the International Thymic Malignancy Interest Group standard report terms in a blinded manner. A Lasso-regularized multivariate model was used to produce a weighted scoring system predictive of pathologic TNM stage. RESULTS: Examining the 54 patients included, the following CT characteristics were associated with higher pathologic TNM stage when using the following scoring system: elevated hemidiaphragm (score of 6), vascular endoluminal invasion (score of 6), pleural nodule (score of 2), lobulated contour (score of 2), and heterogeneous internal density (score of 1). Area under the receiver operating characteristic curve was 0.76. CONCLUSIONS: TETs with clearly invasive or metastatic features seen on CT are associated with having higher AJCC/UICC pathologic TNM stage, as expected. However, features of lobulated contour and heterogeneous internal density are also associated with higher stage disease. These findings need to be validated in an independent cohort. PMID- 29219889 TI - The Value of Neutrophil to Lymphocyte Ratio and Platelet to Lymphocyte Ratio for Detecting Early-onset Neonatal Sepsis. AB - OBJECTIVE: The purpose of this study was to investigate the relationship between neonate early-onset sepsis (EOS) and the neutrophil to lymphocyte ratio (NLR) and the platelet to lymphocyte ratio (PLR) of term neonates. MATERIALS AND METHODS: This prospective observational study was conducted with term neonates diagnosed with EOS compared with 44 healthy controls. Exclusion criteria were prematurity, postmaturity, small or large for gestational age according to week of pregnancy, preeclampsia, gestational diabetes mellitus, chorioamnionitis, congenital major anomalies, and cyanotic congenital heart disease. RESULTS: A total of 122 term neonates were included in the study. Of these, 78 were diagnosed with EOS and 44 were healthy controls. Tachycardia and apnea with bradycardia were the most common clinical signs of the onset of EOS in neonates in the EOS group. This group had significantly higher neutrophil counts, axillary temperatures, NLRs, PLRs, C-reactive proteins, and procalcitonin levels compared with the control group. There was a positive association between neutrophil counts, NLR, and PLR in the EOS group. An NLR of 6.76 was determined as the predictive cutoff value of neonate EOS (sensitivity 97.4%; specificity 100%; area under the receiver operating characteristic curve 0.99; P=0.001). A PLR of 94.05 was determined as the predictive cutoff value of neonate EOS (sensitivity 97.4; specificity 100%; area under the receiver-operating characteristic curve 0.93; P=0.001). CONCLUSIONS: NLRs and PLRs were positively correlated with EOS in term neonates, and these ratios can be used as diagnostic adjunct tests for neonate EOS workups. PMID- 29219890 TI - A Cryptic NUP214-ABL1 Fusion in B-cell Precursor Acute Lymphoblastic Leukemia. AB - Fluorescent in situ hybridization (FISH) analysis is the standard methods for screening ABL1 fusions, which is recurrently translocated in pediatric acute lymphoblastic leukemia (ALL), and potentially targetable by kinase inhibitors. Here we demonstrated a case of B-cell precursor ALL with NUP214-ABL1 fusion, which break-apart FISH assay for ABL1 failed to detect. The cryptic fusion was generated by small duplication from ABL1 to NUP214, which was detected by copy number analysis using genomic microarray and confirmed by PCR. In the context of precision medicine, we should establish how to screen targetable abnormalities for minimizing risk of false-negative. PMID- 29219891 TI - Thrombotic Thrombocytopenic Purpura in a Child Treated for Acute Lymphoblastic Leukemia: Case Report and Review of Literature. AB - Thrombotic thrombocytopenic purpura (TTP) is a thrombotic microangiopathy caused by deficiency of von Willebrand factor-cleaving protease ADAMTS13. Large von Willebrand multimer formation and intravascular platelet aggregation affecting the arterioles and capillaries can result in death unless early treatment is administered. We report on the case of a child with TTP associated with a human herpes virus type-6 infection occurring during chemotherapy for acute lymphoblastic leukemia who was effectively treated by fresh frozen plasma infusions and antiviral therapy. Although rarely observed in children affected by acute lymphoblastic leukemia, TTP is a potentially fatal illness that should be considered in the differential diagnosis of thrombocytopenia with hemolytic anemia. PMID- 29219892 TI - Toxicity of Vincristine Combined With Posaconazole in Children With Acute Lymphoblastic Leukemia. AB - BACKGROUND: Vincristine (VCR) is one of the main drugs of acute lymphoblastic leukemia (ALL) treatment. Azole antifungal medications are used for treatment or prophylaxis of invasive fungal infections in acute leukemia. Coadministration of these drugs increases the risk of VCR toxicity. OBSERVATIONS: We presented a girl with ALL using posaconazole prophylaxis. She developed VCR toxicity that included tubulopathy, high blood pressure, neuropathic pain, difficulty walking, diffuse muscular weakness, constipation, abdominal pain. CONCLUSIONS: There are limited data in children with ALL for posaconazole prophylaxis. We recommend that VCR side effects should be evaluated by careful monitoring of the patients who are on this combination therapy. PMID- 29219893 TI - Editorial. PMID- 29219894 TI - Crisis Management Simulation: Establishing a Dual Neurosurgery and Anesthesia Training Experience. AB - BACKGROUND: Simulation training has been shown to be an effective teaching tool. Learner management of an intraoperative crisis such as a major cerebrovascular bleed requires effective teamwork, communication, and implementation of key skill sets at appropriate time points. This study establishes a first of a kind simulation experience in a neurosurgery/anesthesia resident (learners) team working together to manage an intraoperative crisis. METHODS: Using a cadaveric cavernous carotid injury perfusion model, 7 neurosurgery and 6 anesthesia learners, were trained on appropriate vascular injury management using an endonasal endoscopic technique. Learners were evaluated on communication skills, crisis management algorithms, and implementation of appropriate skill sets at the right time. A preanatomic and postanatomic examination and postsimulation survey was administered to neurosurgery learners. Anesthesia learners provided posttraining evaluation through a tailored realism and teaching survey. RESULTS: Neurosurgery learners' anatomic examination score improved from presimulation (33.89%) to postsimulation (86.11%). No significant difference between learner specialties was observed for situation awareness, decision making, communications and teamwork, or leadership evaluations. Learners reported the simulation realistic, beneficial, and highly instructive. CONCLUSIONS: Realistic, first of kind, clinical simulation scenarios were presented to a neurosurgery/anesthesia resident team who worked together to manage an intraoperative crisis. Learners were effectively trained on crisis management, the importance of communication, and how to develop algorithms for future implementation in difficult scenarios. Learners were highly satisfied with the simulation training experience and requested that it be integrated more consistently into their residency training programs. PMID- 29219895 TI - Effect Of 8-Week of Hospital-Based Resistance Training Program on TCD4+ Cell Count and Anthropometric Characteristic of HIV Patients in Tehran, Iran: A Randomized Controlled Trial. AB - We examined the effects of an 8 w circuit resistance training (RES) program using elastic bands and body weight on TCD4+ cell counts and anthropometry in HIV patients. Patients (N=21) receiving antiretroviral therapy were randomly assigned to resistance training (RES; n=14) or control group (CON; n=7) groups. RES (3/w) consisted of training with elastic bands and bodyweight training focusing on major muscle groups. CON received standard care. Statistical analyses were performed using general linear models adjusted for age, gender, length of infection and respective baseline measures. The primary outcome was TDC4+ and secondary outcomes were anthropometry indices. Tertiary assessments explored Pearson correlations surrounding the relationship between changes in anthropometry and TDC4+. We observed significant increases in TCD4+ count accompanying RES training (105.50 cells/mm3, 95% CI, 47.42, 163.59), while CON significantly decreased (-41.01 cells/mm3, 95% CI, -126.78, 44.76). Significant between group differences were noted (P<0.02; n=0.42). We also observed significant reductions in fat mass for RES (1.18 kg, 95% CI, =1.80, -0.56) vs. increased fat mass for CON (1.21 kg, 95% CI, 0.31, 2.11). Significant between group differences were noted (P=0.001, n=0.64). Similar effects were noted for lean body mass. No significant changes were observed for body weight. Significant correlations were observed for fat mass (r = -0.699, P=0.001) and lean mass (r = 0.553, P=0.017), but not body weight (r =-0.390, P=0.109) vs. changes in TDC4+. Our results suggest the RES program used in this study is effective for improving TDC4+ status and body composition in HIV patients. PMID- 29219896 TI - Analysis of Training Loads in Elite Under 18 Australian Rule Football Players. AB - Cust, EE, Elsworthy, N, and Robertson, S. Analysis of training loads in elite under 18 Australian rule football players. J Strength Cond Res 32(9): 2521-2528, 2017-Differences in training loads (TLs) between under 18 (U18) Australian rules football (AF) state academy-selected and state academy-nonselected players were investigated. Players were categorized relating to their highest representative level: state academy-selected (n = 9) and TAC cup-level players (n = 38). Data were obtained from an online training-monitoring tool implemented to collect player training and match information across a 20-week period during the regular season. Parameters modeled included AF skills, strength, and other sport training sessions. Descriptive statistics (mean +/- SD) and between-group comparisons (Cohen's d) were computed. A J48 decision tree modeled which TL variables could predict selection level. Pooled data showed 60% of weekly training duration consisted of AF training sessions. Similar AF TL were reported between state academy and TAC cup players (1,578 +/- 1,264 arbitrary units (AU) vs. 1,368 +/- 872 AU; d = 0.05). Although higher TLs were reported for state-selected players comparative with TAC cup in total training (d = 0.20), core stability (d = 0.36), flexibility (d = 0.44), on-feet conditioning (d = 0.26), and off-feet conditioning (d = 0.26). Decision tree analysis showed core stability duration and flexibility TL, the most influential parameters in classifying group selection (97.7% accuracy TAC cup level; 35.8% accuracy state academy level). Insights of U18 AF players' weekly training structures, loads, and characteristics of higher achieving players are provided. This study supports the application of training diaries and session rating of perceived exertion for TL monitoring in junior athletes. PMID- 29219897 TI - Management of Complex Epithelial Ingrowth After Laser In Situ Keratomileusis Using Fibrin Tissue Glue. AB - OBJECTIVES: To evaluate the efficacy and safety of adjunctive fibrin tissue glue in the treatment of complex epithelial ingrowth after laser in situ keratomileusis (LASIK). METHODS: A retrospective review was performed of 12 eyes in 12 patients treated for clinically significant epithelial ingrowth after LASIK with mechanical debridement of the ingrowth and placement of fibrin tissue glue. Primary outcome measurements including recurrence of ingrowth, visual acuity, and manifest refraction were evaluated at each postoperative examination. Changes in higher-order aberrometry were also evaluated. RESULTS: After epithelial ingrowth removal with adjunctive fibrin tissue glue, 11 eyes (91.7%) had no recurrence of ingrowth at the final follow-up examination. Uncorrected distance visual acuity changed from 20/20 or better in 3 eyes (25%) and 20/40 or better in 6 eyes (50%) preoperatively to 20/20 or better in 5 eyes (41.7%) and 20/40 or better in 10 eyes (83.3%) postoperatively. Nine eyes (75%) gained one or more lines of best corrected distance visual acuity (CDVA). No eyes lost any lines of CDVA. There was no significant change in mean spherical equivalent (P=0.22) or mean cylinder (P=0.26) before and after surgery. Higher-order aberrations also remained stable with no significant change in root-mean-square error, coma, trefoil, and spherical aberration. There were no complications associated with the treatment. CONCLUSIONS: Adjunctive fibrin tissue glue seems to be a safe and effective treatment for epithelial ingrowth after LASIK. This therapy may be particularly useful in managing challenging cases of complex or recalcitrant ingrowth. PMID- 29219898 TI - Orthokeratology and Contact Lens Quality of Life Questionnaire (OCL-QoL). AB - OBJECTIVES: To develop a quality of life (QoL) instrument for patients fitted with Orthokeratology (OrthoK) and other modalities of contact lenses. METHODS: A 45-item pilot questionnaire was developed from an extensive literature review, focus groups, and interviews. Subsequently, 234 participants fitted with contact lenses (OrthoK, soft lenses, and gas permeable lenses) or spectacles completed the pilot questionnaire. Rasch analysis was used to assess the psychometric properties in terms of person separation, item fit statistics, category threshold ordering, differential item functioning (DIF), and targeting. A subset of participants completed the final questionnaire twice (1 week apart) and the repeatability assessed (within-subject standard deviation). The Spearman rank order correlation coefficient between the questionnaire score and binocular visual acuity was calculated to assess construct validity. RESULTS: Inspection of category probability curves suggested that one category was underused and the response options were collapsed. Furthermore, Rasch analyses indicated 22 items misfitted the model and were removed. The final questionnaire contained 23 items with a person separation of 2.18, item fit statistics within the range 0.83 to 1.15, targeting 1.05 logits, and no significant DIF (<0.8 logits). The repeatability (Sr) was 4.21 and there was no correlation between questionnaire scores and binocular visual acuity (rs=0.03, P=0.65). CONCLUSIONS: The Orthokeratology and Contact Lens Quality of Life Questionnaire demonstrated excellent psychometric properties and is capable of measuring vision-related QoL in patients fitted with various forms of contact lenses including OrthoK lenses. The tool is scored on a 0 to 100 interval level scale with higher scores indicating better QoL. PMID- 29219899 TI - Clinical Outcomes Using Oversized Back Plates in Type I Boston Keratoprosthesis. AB - OBJECTIVES: To examine clinical outcomes of oversized titanium back plates in type I Boston keratoprosthesis (KPro) implantation. METHODS: Retrospective study of 22 sequential eyes (20 patients) undergoing type I KPro implantation with an oversized titanium back plate (larger than trephined wound diameter by 1.0 mm or more), performed by a single surgeon (K.A.C.) from June 2010 to November 2014. Data were collected regarding preoperative eye characteristics, surgical details, and postoperative clinical outcomes. RESULTS: Mean follow-up time per eye was 24.1+/-14.9 months. All eyes had improved vision after surgery; 13 eyes (59.1%) maintained visual acuity improvement at last follow-up. Initial KPro's were retained in 19 eyes (86.4%); one eye required KPro replacement. Primary retroprosthetic membrane (RPM) developed in three eyes (13.6%), with similar occurrence in aniridic (14.3%) and nonaniridic eyes (13.3%). Secondary RPM's developed in two eyes (9.1%) after vitritis (one eye) and retinal and choroidal detachment (one eye). Glaucoma was a common comorbidity: 2 of 14 eyes (14.3%) with preoperative glaucoma had glaucoma progression, and 4 of 8 eyes (50.0%) without preoperative glaucoma developed glaucoma postoperatively. Other postoperative complications included retinal detachment (5 eyes, 22.7%) and idiopathic vitritis (3 eyes, 13.6%). CONCLUSIONS: Oversized titanium KPro back plates are associated with a low rate of primary RPM formation and may have particular utility in reducing primary RPM formation in aniridic eyes. Glaucoma remains a challenge in postoperative KPro management. Complex eyes, at increased risk of postoperative complications, require careful management. PMID- 29219900 TI - Diagnostic Challenges in Nocardia Keratitis. AB - OBJECTIVE: To present a case of diagnostic confusion in Nocardia keratitis in a contact lens wearer and to illustrate the characteristic clinical findings of this rare entity. METHODS: Case report of Nocardia keratitis that was mistaken for acanthamoeba, herpetic, and fungal keratitis in three tertiary corneal referral centers before the correct diagnosis of Nocardia infection was made. RESULTS: A 29-year-old contact lens wearer was referred to our hospital for a contact lens-associated bacterial keratitis, not improving under standard bacterial treatment. Biomicroscopy revealed a circular corneal ulcer and pinhead lesions arranged in a wreath pattern. Initial scraping revealed no positive cultures and confocal microscopy findings were suspicious for fungal keratitis. Only after a poor response to protozoal and fungal treatment, and a negative herpes serology, Nocardia was suspected. This suspicion was confirmed with a positive culture and the topical amikacin and ciprofloxacin were started. The infiltrate responded promptly and resolved, leaving a small corneal scar and a good visual recovery. CONCLUSION: Because of its infrequent occurrence and its variable clinical picture, Nocardia keratitis is easily misdiagnosed. Although a rare entity, this infection should be added to the differential diagnosis in contact lens-related keratitis not responding to first-line antibiotics and presenting with patchy anterior stromal infiltrates. PMID- 29219901 TI - Shifting the Paradigm: Educating Nurse Administrators to be Full Partners. AB - In this month's CGEAN column, leaders discuss the current complexities of healthcare requiring nurses to practice competently in interprofessional partnerships. Nurse administrators and executives play a key role in leading culture change so the benefits of full partnership are realized. PMID- 29219902 TI - Disseminating Knowledge Through Publication: Magnet(r) Nurses Changing Practice. AB - Clinical nurses and nurse leaders are inspiring and fostering amazing outcomes. In this column, the new Magnet Recognition Program(r) director discusses the expectation for dissemination of outcomes from Magnet(r)-designated organizations building on work presented at the 2017 National Magnet ConferenceTM. PMID- 29219903 TI - Nursing Staff Perceptions of Fall Risk: The Emergence of Learned Helplessness as a Theme. AB - Nurses and unlicensed assistive personnel on 2 medical-surgical units were asked about their perceptions regarding patient falls. Their responses reflect learned helplessness and a lack of nurse empowerment that are relevant findings as nurse executives work to decrease patient falls. PMID- 29219904 TI - Incivility in the Emergency Department: Implications for Nurse Leaders. AB - Uncivil behavior leads to low self-esteem, anxiety, sleep disturbance, recurrent nightmares, and depression. This article looks at the perception of incivility among emergency department nurses and the leadership required to implement evidence-based strategies to address this growing problem. PMID- 29219905 TI - Systems Addressing Frail Elder Care: Description of a Successful Model. AB - OBJECTIVE: The aim of this article is to describe the Systems Addressing Frail Elder (SAFE) Care model, features of the interprofessional team and reengineered workflow, and details of the intervention. BACKGROUND: Older inpatients are vulnerable to adverse events related to frailty. SAFE Care, an interprofessional team-based program, was developed and evaluated in a cluster randomized controlled trial (C-RCT). Results found reduced length of stay and complications. The purpose of this article is to support and encourage the replication of this innovation or to help facilitate implementation of a similar process of organizational change. METHODS: This was a review of model features and intervention data abstracted from electronic health records. RESULTS: Salient features of team composition, training, and workflow are presented. The C-RCT intention-to-treat sample included 792 patients, of whom 307 received the SAFE Care huddle intervention. The most frequent problem was mobility (85.7%), and most frequent recommendation was fall precautions protocol (83.1%). CONCLUSIONS: The SAFE Care model may provide a standardized framework to approach, assess, and address the risks of hospitalized older adults. PMID- 29219906 TI - Targeted Interventions to Advance a Culture of Inquiry at a Large, Multicampus Hospital Among Nurses. AB - OBJECTIVES: The aim of this study is to assist nurse leaders in developing innovative structures to foster a culture of inquiry among professional nurses. BACKGROUND: Critical to nurse's engagement in evidence-based practice (EBP) is a culture of inquiry, in which nurses critically evaluate patient care activities and actively review existing evidence to address identified clinical issues. A bundle of structural interventions was implemented across a large, multisite hospital to advance a culture of inquiry. We measured the impact of these interventions on nurses' library use and on nurses' knowledge, attitudes, and practices towards EBP. METHODS: Structural interventions included: 1) EBP and Research Committee meetings, in which nurses were educated on how to formulate a clinical question and critically appraise a research article; 2) Academic Partners Program, in which nurse academicians provided scholarly mentorship and guidance during monthly committee meetings; 3) hiring of clinical nurse scientists who provided 1-on-1 education and mentorship to clinical nurses in EBP and research; and 4) a Nurse Residency Program partnership, in which newly graduated nurses were required to complete an EBP project. We examined the impact of these structural interventions on nurses' use of library resources and nurses' knowledge, attitudes, and practices toward EBP. RESULTS: The implementation of structural interventions to support nurses' engagement in EBP was associated with a significant increase in the number of nurse-generated library consultative requests over time. Results showed high levels of nurse knowledge, attitudes, and practices in EBP. CONCLUSIONS: Nurse leaders may advance a culture of inquiry by providing the infrastructure to support EBP activities and by empowering nurses to question and seek answer to identified practice questions. Infrastructures should include access to scientific articles and partnerships with schools of nursing. Additional research is needed to validate nurse library use as a measure of nurse engagement in EBP. PMID- 29219907 TI - The Implementation of a Structured Nursing Leadership Development Program for Succession Planning in a Health System. AB - Preparing future nursing leaders to be successful is important because many current leaders will retire in large numbers in the future. A structured nursing leadership development program utilizing the Essentials of Nurse Manager Orientation online program provided future nursing leaders with content aligned with nursing leadership competencies. Paired with assigned mentors and monthly leadership sessions, the participants increased their perception of leadership competence. PMID- 29219908 TI - Characteristics of the Nursing Practice Environment Associated With Lower Unit Level RN Turnover. AB - OBJECTIVE: The aim of this study is to examine characteristics of the nursing practice environment associated with lower RN turnover. BACKGROUND: Identifying characteristics of the practice environment that contribute to lower RN turnover is important for meeting the national quality strategy priority of reducing healthcare costs. METHODS: Data from 1002 adult care units in 162 National Database of Nursing Quality Indicators participating hospitals were analyzed using multivariate linear regression. The Practice Environment Scale of the Nursing Work Index was used to measure practice environment characteristics. RN turnover was measured at the unit level. RESULTS: Nursing units with higher overall ratings of the nursing practice environment had lower rates of RN turnover. Units with higher RN perceived staffing and resource adequacy experienced significantly lower RN turnover. CONCLUSIONS: Unit managers and hospital administrators should consider RN perception of staffing and resource adequacy and the overall practice environment when developing targeted strategies for decreasing RN turnover. PMID- 29219909 TI - A Thematic Analysis of Self-described Authentic Leadership Behaviors Among Experienced Nurse Executives. AB - OBJECTIVE: The aim of this study is to understand the behaviors experienced nurse executives use to create healthy work environments (HWEs). The constructs of authentic leadership formed the conceptual framework for the study. BACKGROUND: The American Association of Critical-Care Nurses recommends authentic leadership as the preferred style of leadership for creating and sustaining HWEs. Behaviors associated with authentic leadership in nursing are not well understood. METHODS: A purposive sample of 17 experienced nurse executives were recruited from across the United States for this qualitative study. Thematic analysis was used to analyze the in-depth, semistructured interviews. RESULTS: Four constructs of authentic leaders were supported and suggest unique applications of each including self-awareness (a private and professional self), balanced processing (open hearted), transparency (limiting exposure), and moral leadership (nursing compass). CONCLUSIONS: Authentic leadership may provide a sound foundation to support nursing leadership practices; however, its application to the discipline requires additional investigation. PMID- 29219910 TI - The Appraisal of Nursing Practice: Instrument Development and Initial Testing. AB - OBJECTIVE: We describe the development of the Appraisal of Nursing Practice (ANP) and present initial psychometric data. BACKGROUND: Although measures of new nurses' confidence in clinical practice exist, psychometrically sound observational tools that assess a broad range of nursing competencies are needed. METHODS: Based on the Quality and Safety Education for Nurses competencies, the 37-item ANP covers person-centered care, teamwork and collaboration, evidence based practice/quality improvement, safety, informatics, professionalism, and overall satisfaction (with the new nurse's functioning). Cognitive interviewing was used to refine the items. Assessment of interrater reliability and a field test in a new nurse residency program were conducted. RESULTS: Interrater reliability and internal consistency reliability were generally acceptable. Scores increased significantly for nurses as they moved through a nurse residency program. CONCLUSIONS: The ANP can help nursing administrators identify areas where nurse residents are building needed competencies versus areas that need more work to achieve desired competency outcomes. PMID- 29219911 TI - Practical Application of High-Reliability Principles in Healthcare to Optimize Quality and Safety Outcomes. AB - Application of high-reliability (HR) principles into daily healthcare processes can drive culture change, safety, and quality outcomes. Understanding foundational practices to full HR principle integration in an organization's quality and safety programs strengthens evidence-based practices, reduces clinical variation, and improves nurse-sensitive patient outcomes. Quantifying the cost impact of reduction in preventable harm and improved nurse-sensitive patient outcomes is an initial attempt to formulate an empiric measure of nursing value. PMID- 29219912 TI - Progress. PMID- 29219913 TI - With Colorectal Cancer Treatment, Physical Toxicity Is Not the Only Concern. PMID- 29219914 TI - The Hawthorne Effect Revisited. PMID- 29219915 TI - Not Taking "No" for an Answer. PMID- 29219916 TI - The American Society of Colon and Rectal Surgeons Clinical Practice Guideline for the Prevention of Venous Thromboembolic Disease in Colorectal Surgery. PMID- 29219917 TI - Evaluation and Management of Rectovaginal Fistulas. PMID- 29219918 TI - Expert Commentary on the Evaluation and Management of Rectovaginal Fistulas. PMID- 29219919 TI - Financial Impact of Colorectal Cancer and Its Consequences: Associations Between Cancer-Related Financial Stress and Strain and Health-Related Quality of Life. AB - BACKGROUND: The financial impact and consequences of cancer on the lives of survivors remain poorly understood. This is especially true for colorectal cancer. OBJECTIVE: We investigated objective cancer-related financial stress, subjective cancer-related financial strain, and their association with health related quality of life in colorectal cancer survivors. DESIGN: This was a cross sectional postal survey. SETTINGS: The study was conducted in Ireland, which has a mixed public-private healthcare system. PATIENTS: Colorectal cancer survivors, diagnosed 6 to 37 months prior, were identified from the population-based National Cancer Registry. MAIN OUTCOME MEASURES: Cancer-related financial stress was assessed as impact of cancer on household ability to make ends meet and cancer-related financial strain by feelings about household financial situation since cancer diagnosis. Health-related quality of life was based on European Organisation for Research and Treatment of Cancer QLQ-C30 global health status. Logistic regression was used to identify associations between financial stress and strain and low health-related quality of life (lowest quartile, score <=50). RESULTS: A total of 493 survivors participated. Overall, 41% reported cancer related financial stress and 39% cancer-related financial strain; 32% reported both financial stress and financial strain. After adjustment for sociodemographic and clinical variables, the odds of low health-related quality of life were significantly higher in those who reported cancer-related financial stress postdiagnosis compared with those who reported no change in financial stress postcancer (OR = 2.54 (95% CI, 1.62-3.99)). The odds of low health-related quality of life were also significantly higher in those with worse financial strain postdiagnosis (OR =1.73 (95% CI, 1.09-2.72)). The OR for those with both cancer-related financial stress and financial strain was 2.59 (95% CI, 1.59 4.22). LIMITATIONS: Survey responders were younger, on average, than nonresponders. Responders and nonresponders may have differed in cancer-related financial stress and strain or health-related quality of life. CONCLUSIONS: Four in 10 colorectal cancer survivors reported an adverse financial impact of cancer. Cancer-related financial stress and strain were significantly associated with low health-related quality of life. To inform support strategies, additional research is needed to better understand how both objective and subjective financial distress influence survivors' health-related quality of life. See Video Abstract http://links.lww.com/DCR/A447. PMID- 29219920 TI - The Fatty Liver Index: A Simple and Accurate Predictor of Colorectal Adenoma in an Average-Risk Population. AB - BACKGROUND: Nonalcoholic fatty liver disease, the hepatic manifestation of metabolic syndrome, is associated with increased risk of colorectal adenoma, a precursor of colorectal cancer. Because nonalcoholic fatty liver disease and colorectal adenoma share many common risk factors of metabolic syndrome, the association between these 2 pathological findings has been investigated in multiple studies, but the results have been conflicting. OBJECTIVE: The present study aimed to assess the relationship between the fatty liver index, a predictor of nonalcoholic fatty liver disease, and the prevalence of colorectal adenomas. DESIGN: This is a retrospective observational study. SETTINGS: This study was conducted at a single expert center. PATIENTS: A total of 2976 consecutive subjects over 40 years of age undergoing routine checkups including abdominal ultrasonography and colonoscopy at Chung-Ang University Hospital Health Care Center were included. MAIN OUTCOME MEASURES: The primary outcome measured was the prevalence of colorectal adenomas according to fatty liver index. RESULTS: Among these subjects, 932 (31.3%) had colorectal adenoma, 691 (23.2%) had metabolic syndrome, and 1512 (50.8%) had fatty liver on ultrasonography. In multivariate analysis, fatty liver index >=30 was associated with an increased risk of colorectal adenoma (OR, 1.269; 95% CI, 1.06-1.49; p = 0.008). The fatty liver index-high group (fatty liver index >=30) had more colorectal adenomas and more advanced colorectal adenomas than the fatty liver index-low group (fatty liver index <30) (p < 0.001 and p = 0.042). The prevalence of colorectal adenomas increased with increasing quartile of fatty liver index (p < 0.05). LIMITATIONS: The study was limited by a relatively healthy Asian population. CONCLUSION: The high fatty liver index may be a useful predictor of colorectal adenoma. See Video Abstract at http://links.lww.com/DCR/A478. PMID- 29219921 TI - Colorectal Cancer Safety Net: Is It Catching Patients Appropriately? AB - BACKGROUND: Disparities in access to colorectal cancer care are multifactorial and are affected by socioeconomic elements. Uninsured and Medicaid patients present with advanced stage disease and have worse outcomes compared with similar privately insured patients. Safety net hospitals are a major care provider to this vulnerable population. Few studies have evaluated outcomes for safety net hospitals compared with private institutions in colorectal cancer. OBJECTIVE: The purpose of this study was to compare demographics, screening rates, presentation stage, and survival rates between a safety net hospital and a tertiary care center. DESIGN: Comparative review of patients at 2 institutions in the same metropolitan area were conducted. SETTINGS: The study included colorectal cancer care delivered either at 1 safety net hospital or 1 private tertiary care center in the same city from 2010 to 2016. PATIENTS: A total of 350 patients with colorectal cancer from each hospital were evaluated. MAIN OUTCOME MEASURES: Overall survival across hospital systems was measured. RESULTS: The safety net hospital had significantly more uninsured and Medicaid patients (46% vs 13%; p < 0.001) and a significantly lower median household income than the tertiary care center ($39,299 vs $49,741; p < 0.0001). At initial presentation, a similar percentage of patients at each hospital presented with stage IV disease (26% vs 20%; p = 0.06). For those undergoing resection, final pathologic stage distribution was similar across groups (p = 0.10). After a comparable median follow-up period (26.6 mo for safety net hospital vs 29.2 mo for tertiary care center), log-rank test for overall survival favored the safety net hospital (p = 0.05); disease-free survival was similar between hospitals (p = 0.40). LIMITATIONS: This was a retrospective review, reporting from medical charts. CONCLUSIONS: Our results support the value of safety net hospitals for providing quality colorectal cancer care, with survival and recurrence outcomes equivalent or improved compared with a local tertiary care center. Because safety net hospitals can provide equivalent outcomes despite socioeconomic inequalities and financial constraints, emphasis should be focused on ensuring that adequate funding for these institutions continues. See Video Abstract at http://links.lww.com/DCR/A454. PMID- 29219922 TI - Multimodal Prehabilitation Programs as a Bundle of Care in Gastrointestinal Cancer Surgery: A Systematic Review. AB - BACKGROUND: Prehabilitation reflects a proactive process of preoperative optimization undertaken between cancer diagnosis and definitive surgical treatment, with the intent of improving physiological capacity to withstand the major insult of surgery. Prehabilitation before GI cancer surgery is currently not widely adopted, and most research has focused on unimodal interventions such as exercise therapy, nutritional supplementation, and hematinic optimization. A review of the existing literature was undertaken to investigate the impact of multimodal prehabilitation programs as a "bundle of care." DATA SOURCE: A systematic literature search was performed utilizing Medline, PubMed, Embase, Cinahl, Cochrane, and Google Scholar databases. STUDY SELECTION: The quality of studies was assessed by using the Cochrane tool for assessing risk of bias (randomized trials) and the Newcastle-Ottawa Quality Assessment scale (cohort studies). INTERVENTION: Studies were chosen that involved pre-operative optimization of patients before GI cancer surgery. MAIN OUTCOMES: The primary outcome measured was the impact of prehabilitation programs on preoperative fitness and postoperative outcomes. RESULTS: Of the 544 studies identified, 20 were included in the qualitative analysis. Two trials investigated the impact of multimodal prehabilitation (exercise, nutritional supplementation, anxiety management). Trials exploring prehabilitation with unimodal interventions included impact of exercise therapy (7 trials), impact of preoperative iron replacement (5 trials), nutritional optimization (5 trials), and impact of preoperative smoking cessation (2 trials). Compliance within the identified studies was variable (range: 16%-100%). LIMITATIONS: There is a lack of adequately powered trials that utilize objective risk stratification and uniform end points. As such, a meta-analysis was not performed because of the heterogeneity in study design. CONCLUSION: Although small studies are supportive of multimodal interventions, there are insufficient data to make a conclusion about the integration of prehabilitation in GI cancer surgery as a bundle of care. Larger, prospective trials, utilizing uniform objective risk stratification and structured interventions, with predefined clinical and health economic end points, are required before definitive value can be assigned to prehabilitation programs. PMID- 29219923 TI - Multimodal Use of Fluorescent Imaging in Colorectal Cancer Surgery. PMID- 29219924 TI - Combined Laparoscopic and Perineal Approach to Omental Interposition Repair of Complex Rectovaginal Fistula. AB - INTRODUCTION: Surgical repair of rectovaginal fistula remains a challenge. Complex and recurrent rectovaginal fistula repairs often fail because of scarring and devascularization of the surrounding tissue. Omental interposition may promote healing by introducing bulky vascularized tissue into the rectovaginal septum. TECHNIQUE: With the patient in the lithotomy position, the rectovaginal septum was dissected transperineally up to the fistula tract and the openings on both vaginal and rectal sides were closed using interrupted, absorbable sutures. The dissection was continued cranially to meet the laparoscopic dissection from above. The laparoscopic surgeon detached the omentum from the colon, then the anastomotic arterial branches between the Barlow's arcade and the gastroepiploic arcade were divided and the greater omentum was mobilized, retaining blood supply from the left gastroepiploic artery. The rectum was then mobilized commencing on the right lateral side of the mesorectum and then proceeding anteriorly. The peritoneum between the rectum and the vagina was incised and the anterior mobilization was continued to connect with the perineal dissection. The mobilized omentum was pulled down between the rectum and the vagina.The perineal operator secured the omentum around the rectal closure and at skin level with absorbable sutures. All of the patients had a defunctioning ileostomy or colostomy before omental repair. RESULTS: Patients underwent repair for complex or recurrent rectovaginal fistulas with this novel approach. Fistula healing was evaluated during examination under anaesthesia. All of the patients had completely healed at the latest follow-up (median = 15 mo; range, 8-41 mo). Postoperative complications included 1 superficial wound infection that was treated conservatively and 1 rectovaginal hematoma, which required CT-guided aspiration. CONCLUSIONS: Combined laparoscopic omental interposition with perineal rectovaginal fistula repair is a safe and effective treatment for complex rectovaginal fistulas. PMID- 29219925 TI - Which Trial to Demonstrate the Truthfulness of a Tailored Strategy in Rectal Carcinoma? PMID- 29219926 TI - The Miracle Machine. PMID- 29219927 TI - The Authors Reply. PMID- 29219928 TI - Should Considerations in Patient Dignity Affect Our Surgical Decisions? PMID- 29219931 TI - BILATERAL UVEAL METASTASES SECONDARY TO PROSTATE ADENOCARCINOMA. AB - PURPOSE: To report a patient with bilateral uveal metastases secondary to previously quiescent prostate adenocarcinoma with a 22-month follow-up. METHODS: Retrospective chart review was performed for this patient. RESULTS: Androgen deprivation therapy and external beam radiation therapy were shown to manage ocular symptoms in a sixty-nine-year-old man previously diagnosed with adenocarcinoma of the prostate. CONCLUSION: Uveal metastases can be the first site of systemic metastasis even long after initial diagnosis and treatment of prostate adenocarcinoma; the 17 years between this patient's treatment for adenocarcinoma and commencement of his ocular symptoms is the longest interval reported. Hormonal therapy, in conjunction with radiation therapy, can successfully reduce tumor burden in these patients and improve visual symptoms over time. PMID- 29219932 TI - CUTICULAR DRUSEN IN AN INDIGENOUS AUSTRALIAN. AB - BACKGROUND/PURPOSE: To report a case of cuticular drusen in an indigenous Australian. METHODS: A 37-year-old indigenous (aboriginal) Australian woman from a remote Western Australian town presented with a 2-month history of vision loss. Clinical history, examination, and multimodal retinal imaging data from spectral domain optical coherence tomography, fundus autofluorescence, fluorescein angiography, and indocyanine green angiography were analyzed. RESULTS: Multimodal imaging confirmed cuticular drusen complicated by a right choroidal neovascularization with pigment epithelial detachment and a left foveal vitelliform lesion. An unusual "negative-staining" pattern was noted on late phase indocyanine green angiography and this spared the regions affected by cuticular drusen. CONCLUSION: To the best of our knowledge, this is the first published report of cuticular drusen in an indigenous Australian. We hypothesize that this may be secondary to ancestral mixing of the gene pool. An unusual staining pattern witnessed on indocyanine green angiography suggests widespread disturbance of lipoprotein deposition in the Bruch membrane. PMID- 29219933 TI - Death, coronary revascularization choices, and chronic kidney disease. PMID- 29219934 TI - Visualizing the vascular effects of smoking. PMID- 29219935 TI - Intrathecal Morphine for Laparoscopic Segmental Colonic Resection as Part of an Enhanced Recovery Protocol: A Randomized Controlled Trial. AB - BACKGROUND AND OBJECTIVES: Management of postoperative pain after laparoscopic segmental colonic resections remains controversial. We compared 2 methods of analgesia within an Enhanced Recovery After Surgery (ERAS) program. The goal of the study was to investigate whether administration of intrathecal bupivacaine/morphine would lead to an enhanced recovery. METHODS: A single center, randomized, double-blind controlled trial was performed (NL43488.101.13). Patients scheduled for laparoscopic segmental intestinal resections were considered. Exclusion criteria were patients in whom contraindications to spinal anesthesia were present, conversion to open surgery, and gastric and rectal surgery. The intervention group received single-shot intrathecal bupivacaine/morphine (12.5 mg/300 MUg), with an altered dose for older patients. The control group received a sham procedure and a bolus of piritramide (0.1 mg/kg). Both groups received standardized general anesthesia and a patient controlled intravenous analgesia pump as postoperative analgesia. All patients were treated according to an ERAS protocol. A decrease in days to "fit for discharge" was the primary outcome. RESULTS: Fifty-six patients were enrolled. Intervention group patients were fit for discharge earlier (median of 3 vs 4 days, P = 0.044). Furthermore, there was a significant decrease in opioid use and lower pain scores on the first postoperative day in the intervention group. There were no differences in adverse events (except for more pruritus), time to mobilization, fluid administration, or patient satisfaction. CONCLUSIONS: This randomized controlled trial shows that intrathecal morphine is a more effective method of postoperative analgesia in laparoscopic surgery than intravenous opioids within an ERAS program. Recovery is faster and less painful with intrathecal morphine. Other studies have confirmed these results, although data on faster recovery are new and require confirmation in future trials. CLINICAL TRIAL REGISTRATION: This study was registered at ClinicalTrials.gov, identifier NCT02284282. PMID- 29219936 TI - End-of-Life Care Discussion for Residents With Dementia in Long-Term Care Facilities. AB - BACKGROUND: Healthcare professionals play an important role in end-of-life care decisions. Although the factors affecting end-of-life care in long-term care facilities have been well studied in Western contexts, few studies have examined factors affecting end-of-life care discussions for residents with dementia among multidisciplinary professionals in Asian or Taiwanese contexts. PURPOSE: The aim of this study was to explore the factors related to the end-of-life care discussions of registered nurses, social workers, and physicians with residents with dementia and their families. METHODS: This is a cross-sectional and correlational study. A stratified random sampling was conducted, and self administered questionnaires were mailed to physicians, registered nurses, and social workers who work in long-term care facilities with accreditation ranks >= Grade A in Taiwan. RESULTS: Questionnaires were returned by 478 participants (response rate = 94.1%). Fewer than 10% of the participants reported often discussing end-of-life care with residents with dementia and their families. Physicians were significantly more likely to discuss life-sustaining treatment than nurses and social workers. The frequency of professionals discussing advance directives and life-sustaining treatment for residents with dementia was predicted by higher confidence in end-of-life care skills and greater perceived facility support. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: Most professionals did not frequently discuss end-of-life care with residents with dementia and their caregivers. Discussions of end-of-life care in long-term care facilities should be promoted by enhancing the confidence of these professionals in providing end of-life care and creating a supportive environment for end-of-life discussions and care. PMID- 29219937 TI - Relationship Between Maternal Characteristics and Postpartum Hemorrhage: A Meta Analysis Study. AB - BACKGROUND: Postpartum hemorrhage (PPH) is a leading cause of maternal death in low-income countries and the primary cause of approximately one of every four maternal deaths worldwide. PURPOSE: The aim of this study was to determine the antenatal risk factors of PPH and its effects. METHODS: The literature from nine databases was reviewed, and studies published between 2000 and 2012 were analyzed using terms such as "postpartum hemorrhage," "prevention of postpartum hemorrhage," and "management of postpartum hemorrhage." The full text of 1,061 articles was reviewed, and 29 studies were selected according to the inclusion criteria. Studies that determined bias using the funnel plot test were excluded, and 20 studies were included in the meta-analysis. The data were analyzed using Microsoft Office Excel 2010 and comprehensive meta-analysis. RESULTS: The meta analysis included five studies and 1,286,752 women for maternal age, six studies and 607,822 women for body mass index, and six studies and 1,118,490 women for parity. The results of the analysis showed that body mass index >= 25.00 kg/m (OR = 1.43, 95% CI [1.40, 1.47]), primiparity of mothers (OR = 1.37, 95% CI [1.35, 1.40]), and hypertensive disorder in mothers (OR = 1.52, 95% CI [1.43, 1.61]) are risk factors for the development of PPH. No rela-tionship was found between maternal age >= 35 years and PPH (OR = 1.02, 95% CI [0.99, 1.04]). CONCLUSIONS: Midwives, obstetric nurses, and obstetricians should carefully evaluate mothers for the risk factors of PPH during the antepartum, intrapartum, and postpartum periods. Moreover, at-risk pregnant women should give birth in a unit with emergency initiative options. Future studies should examine relevant personal characteristics of mothers, as familiarity with the risk factors facilitates the management and treatment of PPH. Finally, meta-analyses should review more studies to detect risk factors more comprehensively. PMID- 29219938 TI - Correlations Among Self-Rated Health, Chronic Disease, and Healthcare Utilization in Widowed Older Adults in Taiwan. AB - BACKGROUND: Taiwan has a rapidly aging population. It is well known that older adults usually have worse health than younger adults, with widowed older adults at a particularly high risk of poor health. Widowed older adults experience the effects of bereavement, which affects their health. Therefore, health topics related to widowed older adults deserve special attention. PURPOSE: The aim of this study was to discuss self-rated health for chronic diseases and healthcare utilization among widowed older adults. METHODS: A cross-section of data was used to analyze self-rated health-related issues. Data were adopted from the National Health Interview Survey in Taiwan, with the data on adults aged 65 years and over extracted and included in the assessment. Multinomial logistic regression models were used to investigate the relationships between healthcare utilization and self-rated health and chronic disease variables. RESULTS: The main empirical results show worse self-rated health status among widowed older adults in comparison with their nonwidowed peers and worse health status for widowers than widows. Next, age was negatively correlated with health rating, whereas a positive correlation with health was found for education. In addition, chronic diseases, particularly stroke, were found to be a significant predictive factor related to poor health status. Similar results were observed for healthcare utilization, apart from traditional Chinese medicine. Older adults who habitually purchased and used traditional Chinese medicine were shown to enjoy relatively better health statuses. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: These findings identified that chronic diseases and healthcare utilization correlated strongly with self-rated health for widowed older adults. Therefore, self-rated health may be used as a screening tool by the National Health Insurance System in Taiwan, and the results may be referenced by public health officials who are responsible for developing welfare strategies to promote healthy aging among the widowed in Taiwan. PMID- 29219939 TI - Psychometric Evaluation of the Chinese Respiratory Distress Observation Scale on Critically Ill Patients With Cardiopulmonary Diseases. AB - BACKGROUND: Respiratory distress is a common and distressing experience that strikes most critically ill patients with cardiopulmonary diseases. Now, most dyspnea assessment tools rely on patient's self-report. Only one instrument, the Respiratory Distress Observation Scale (RDOS), is valid for assessing respiratory distress when the patient cannot provide a dyspnea self-report. PURPOSE: The aims of this study were to develop the Chinese version of RDOS through two-way translation and examine its reliability and validity. METHODS: The first step was the translation and back-translation to establish the Chinese RDOS and examine the semantic equivalence between the back-translation version and the original one. The second step was the psychometric testing of the Chinese RDOS including internal reliability, interrater reliability, concurrent validity, convergent validity, and content and construct validity. RESULTS: The Chinese RDOS was reported with an internal consistency (Cronbach's alpha value) of .73, an interobserver reliability of .97, and a content validity index of .97. In the conscious critically ill patients, significant correlations were found between the Chinese RDOS and Spielberger State Anxiety Inventory scores or Dyspnea Vertical Visual Analog Scale scores (r = .69 and r = .76, respectively; p < .001). In the unconscious critically ill patients, there was a significantly positive correlation between the Chinese RDOS scores and fraction of inspiration O2 (r = .26, p < .05) and a significantly negative correlation between the Chinese RDOS scores and saturation peripheral oxygen (SpO2; r = -.42, p = .001). In addition, it also could effectively identify the dyspnea differences between the first and last days in the intensive care units (p < .001). CONCLUSIONS: The Chinese RDOS showed good reliability and validity in conscious critically ill patients. The assessment with the Chinese RDOS could be completed within a short period no matter whether the assessor has nursing background in respiratory care or not. It could help the professionals systematically manage and track the change of respiratory distress in patients. PMID- 29219940 TI - Factors Influencing Postpartum Fatigue in Vaginal-Birth Women: Testing a Path Model. AB - BACKGROUND: Postpartum fatigue is a very common complaint among postpartum women. Although current evidence indicates that several factors (e.g., parity, epidural analgesia, perineal trauma, perineal pain, and longer second stage of labor) are associated with postpartum, not enough is known about the relationships among these physical factors simultaneously and how they contribute to the development of postpartum fatigue. Increased awareness of the complex relationships among these factors will help nurses assess, prevent, and alleviate postpartum fatigue. PURPOSE: The aims of this study were to test a model of factors that influence postpartum fatigue and to estimate the direct and indirect effects of these factors on postpartum fatigue in vaginal-birth women. METHODS: The hypothesized model of the factors that influence postpartum fatigue after vaginal birth was developed based on previous studies. This study used a cross-sectional correlational design and convenience sampling. The Visual Analog Scale for Pain was used to measure postpartum perineal pain, and the Postpartum Fatigue Scale was used to assess postpartum fatigue via a structured, self-report questionnaire. Data analysis included descriptive statistics, Pearson's correlation coefficients, and path analysis. RESULTS: This study evaluated 326 healthy postpartum women within the first day after vaginal birth. Participants ranged from 20 to 43 years old, and 50.9% were primiparous. The model of the factors influencing postpartum fatigue after vaginal birth showed a good fit with the empirical data. Parity and the use of epidural analgesia predicted the duration of the second stage of labor, and the degree of perineal trauma predicted perineal pain. Participants who had experienced longer durations of the second stage of labor and more perineal pain reported higher levels of early postpartum fatigue. CONCLUSIONS/IMPLICATIONS FOR PRACTICE: It is suggested that maternal nurses should better understand postpartum fatigue, take precautions to decrease perineal pain, and pay more attention to the longer duration of the second stage of labor to minimize postpartum fatigue, increase patient comfort, and improve the quality of perinatal care. PMID- 29219941 TI - Testing the Psychometric Properties of the Postpartum Sleep Quality Scale in Turkish Women. AB - BACKGROUND: Postpartum sleeplessness has been observed to be an important health problem in Turkey. However, no scale is currently available to evaluate quality of sleep in Turkish postpartum women. PURPOSE: The aim of this study was to test the validity and reliability of the Turkish Postpartum Sleep Quality Scale (T PSQS). METHODS: The sample of this methodological study surveyed 100 women during their first 2 postpartum weeks. Data were obtained using a personal characteristics form and the PSQS. The PSQS is a 5-point scale ranging from 0 to 4. The validity of the PSQS was tested using content validity index and confirmatory and exploratory factor analyses, and the reliability of the scale was tested using Cronbach's alpha. RESULTS: The opinions of eight experts were canvassed to test the validity of the T-PSQS. The content validity index showed that the scale had high validity (.92). The factor analysis that was conducted to test the construct validity of the scale indicated that the scale was composed of three factors with eigenvalues over 1.00 and that the total Cronbach's alpha coefficient was .88. The Cronbach's alpha for the subscales "Infant night care related daytime dysfunction," " Physical symptoms-related sleep inefficiency," and "Sleep quality or sleep" were .82, .86, and .80, respectively. CONCLUSIONS: Content validity, construct validity, and reliability analyses of the T-PSQS revealed that the scale may be used to measure postpartum sleeplessness levels and sleep quality in Turkish women. PMID- 29219942 TI - The New Order at the Journal of Pediatric Orthopaedics. PMID- 29219943 TI - Replacement of Sedentary Time with Physical Activity: Effect on Lipoproteins. AB - PURPOSE: Limited data on the relationship between physical activity and lipoprotein particle profiles exist. Our objective was to investigate associations between objectively measured physical activity and lipoprotein particle size and number, and specifically whether substituting daily sedentary behavior with light activity or moderate-to-vigorous physical activity (MVPA) is associated with beneficial alterations to the lipoprotein profile among adults and those at increased cardiometabolic risk (obese and insulin-resistant subjects). METHODS: Sedentary behavior and physical activity intensity and duration were measured for 7 consecutive days using the GENEActiv accelerometer in a cross-sectional adult cohort (n = 396; mean age, 59.6 +/- 5.5 yr). Lipoprotein particle size and subclass concentrations were determined using nuclear magnetic resonance spectroscopy. Isotemporal substitution regression modeling quantified the associations between replacing 30 min.d of sedentary behavior with equal amounts of light activity and MVPA on lipoprotein profiles. RESULTS: Daily duration of MVPA was inversely associated with large VLDL particles and lipoprotein insulin resistance scores (P < 0.05, after adjustment for sedentary time and other confounding factors). Reallocating 30 min of sedentary time with MVPA, but not light activity, was associated with less large VLDL particles resulting in more favorable average VLDL particle size and improved lipoprotein insulin resistance score (P < 0.05). Analysis of high cardiometabolic-risk groups revealed similar beneficial alterations to VLDL profiles (P < 0.05) with substitution of sedentary time for MVPA among the insulin-resistant (homeostasis model assessment for insulin resistance >=75th percentile) but not the obese (body mass index >=30 kg.m) individuals. CONCLUSIONS: Daily MVPA duration and theoretical replacement of sedentary time with MVPA, but not light activity, were associated with less atherogenic VLDL profiles, particularly among the insulin-resistant individuals. These findings, which require further investigation, highlight the need to develop physical activity interventions aimed at improving atherogenic dyslipidemia and lowering cardiometabolic risk. PMID- 29219944 TI - Minimally Invasive Surgical Pulmonary Embolectomy: A Potential Alternative to Conventional Sternotomy. AB - OBJECTIVE: Surgical pulmonary embolectomy has gained increasing popularity over the past decade with multiple series reporting excellent outcomes in the treatment of submassive pulmonary embolism. However, a significant barrier to the broader adoption of surgical pulmonary embolectomy remains the large incision and long recovery after a full sternotomy. We report the safety and efficacy of using a minimally invasive approach to surgical pulmonary embolectomy. METHODS: All consecutive patients undergoing surgical pulmonary embolectomy for a submassive pulmonary embolism (2015-2017) were reviewed. Patients were stratified as conventional or minimally invasive. The minimally invasive approach included a 5- to 7-cm skin incision with upper hemisternotomy to the third intercostal space. The primary outcomes were in-hospital and 90-day survival. RESULTS: Thirty patients (conventional = 20, minimally invasive = 10) were identified. Operative time was similar between the two groups, but cardiopulmonary bypass time was significantly longer in the minimally invasive group (58 vs 94 minutes, P = 0.04). While ventilator time and intensive care unit length of stay were similar between groups, hospital length of stay was 4.5 days shorter in the minimally invasive group, and there was a trend toward less blood product use. In-hospital and 90-day survival was 100%. Within the minimally invasive cohort, median right ventricular dysfunction at discharge was none-mild and no patient experienced postoperative renal failure, deep sternal wound infection, sepsis, or stroke. CONCLUSIONS: Minimally invasive surgical pulmonary embolectomy appears to be a feasible approach in the treatment of patients with a submassive pulmonary embolism. A larger, prospective analysis comparing this modality with conventional surgical pulmonary embolectomy may be warranted. PMID- 29219945 TI - VATS Plication of the Diaphragm: A Descriptive Observational 10-Year Southampton Experience. AB - OBJECTIVE: The aim of the study was to report the safety and efficacy of video assisted thoracoscopic (VATS) plication of the diaphragm at our institution between 2006 and 2016. METHODS: Adult patients selected on etiology and combination of investigations including plain chest x-ray, computed tomography of chest and abdomen, lung functions in supine and sitting positions, radiological/ultrasonic screening for diaphragmatic movement, and phrenic nerve conduction studies. We incorporated a triportal VATS and Endostitch device for plication, using CO2 insufflation to maximum 12 mm Hg. Bilateral simultaneous plication and high-risk patients were electively admitted to intensive therapy unit postoperatively. RESULTS: Thirty-five patients (24 males) had their diaphragm plicated. The mean age was 56.6 years (range = 23-76 years). The mean body mass index was 32.1 (range = 22.2-45.4). Twenty one were right, 13 left, 2 patients had VATS simultaneous bilateral plication, and 1 had sequential VATS bilateral plication. Paralysis was idiopathic in 17, posttraumatic in 5, postremoval of mediastinal tumor in 4, and postcardiac surgery in 3. All patients presented with lifestyle-limiting dyspnea and orthopnea, three were on nocturnal noninvasive ventilation. Five were diabetic and 16 were smokers. The mean supine forced expiratory volume in the first second was 62.5% of predicted. Twenty two were performed by VATS (63%), three converted to thoracotomy, and 13 were open limited thoracotomy (historic). The mean hospital stay was 4.5 days (range = 1 18, mode 2 days). Intensive therapy unit admission was required in six patients for mechanical ventilation 0 to 3 days. Five patients (14%) had no improvement in symptoms. There were no deaths, no 30-day readmissions, and no long-term neuralgia in this series. CONCLUSIONS: We found minimal access VATS plication of the diaphragm to be feasible and safe, but no firm conclusions should be drawn from our limited resources. We report the feasibility of concomitant bilateral VATS plication of the diaphragm in two adults, and this was not previously reported in the adult population. There is a need for further good quality, prospective studies, and randomized controlled studies evaluating efficacy of VATS diaphragmatic plication. PMID- 29219946 TI - C1206, a novel curcumin derivative, potently inhibits Hsp90 and human chronic myeloid leukemia cells in vitro. AB - 4-(4-Pyridinyl methylene) curcumin (C1206) is a new derivative of curcumin that is more active than curcumin in inhibition of heat shock protein 90 (Hsp90) and antitumor action. In this study we investigated the relationship between C1206 induced inhibition of Hsp90 and its anti-leukemic effects. The fluorescence quenching experiments showed that C1206 seemed to bind the middle dimerization domain of Hsp90. The interaction between C1206 and Hsp90 was driven mainly by electrostatic interaction. In in vitro enzyme activity assay, C1206 dose dependently inhibited Hsp90 ATPase activity with an IC50 value of 4.17 MUmol/L. In both imatinib-sensitive K562 chronic myeloid leukemia cells and imatinib resistant K562/G01 chronic myeloid leukemia cells, C1206 (0.4-3.2 MUmol/L) dose dependently caused the degradation of Hsp90 client proteins and downstream proteins (AKT, MEK, ERK, C-RAF, P-AKT, P-MEK and P-ERK). Furthermore, C1206 (0.4 3.2 MUmol/L) dose-dependently induced apoptosis of K562 and K562/G01 cells through triggering mitochondrial pathway. Consistent with this result, C1206 inhibited the proliferation of K562 and K562/G01 cells with IC50 values of 1.10 and 0.60 MUmol/L, respectively. These results suggest that C1206 is a novel Hsp90 inhibitor and a promising therapeutic agent for chronic myeloid leukemia. PMID- 29219947 TI - Dendritic cell nuclear protein-1 regulates melatonin biosynthesis by binding to BMAL1 and inhibiting the transcription of N-acetyltransferase in C6 cells. AB - Dendritic cell nuclear protein-1 (DCNP1) is a protein associated with major depression. In the brains of depression patients, DCNP1 is up-regulated. However, how DCNP1 participates in the pathogenesis of major depression remains unknown. In this study, we first transfected HEK293 cells with EGFP-DCNP1 and demonstrated that the full-length DCNP1 protein was localized in the nucleus, and RRK (the residues 117-119) composed its nuclear localization signal (NLS). An RRK-deletion form of DCNP1 (DCNP1DeltaRRK) and truncated form (DCNP11-116), each lacking the RRK residues, did not show the specific nuclear localization like full-length DCNP1 in the cells. A rat glioma cell line C6 can synthesize melatonin, a hormone that plays important roles in both sleep and depression. We then revealed that transfection of C6 cells with full-length DCNP1 but not DCNP1DeltaRRK or DCNP11 116 significantly decreased the levels of melatonin. Furthermore, overexpression of full-length DCNP1, but not DCNP1DeltaRRK or DCNP11-116, in C6 cells significantly decreased both the mRNA and protein levels of N-acetyltransferase (NAT), a key enzyme in melatonin synthesis. Full-length DCNP1 but not DCNP1DeltaRRK or DCNP11-116 was detected to interact with the Nat promoter and inhibited its activity through its E-box motif. Furthermore, full-length DCNP1 but not the mutants interacted with and repressed the transcriptional activity of BMAL1, a transcription factor that transactivates Nat through the E-box motif. In conclusion, we have shown that RRK (the residues 117-119) are the NLS responsible for DCNP1 nuclear localization. Nuclear DCNP1 represses NAT expression and melatonin biosynthesis by interacting with BMAL1 and repressing its transcriptional activity. Our study reveals a connection between the major depression candidate protein DCNP1, circadian system and melatonin biosynthesis, which may contribute to the pathogenesis of depression. PMID- 29219948 TI - Asperosaponin VI promotes angiogenesis and accelerates wound healing in rats via up-regulating HIF-1alpha/VEGF signaling. AB - Wound therapy remains a clinical challenge due to the complexity of healing pathology and high demand of achieving functional and aesthetically satisfactory scars. Newly formed blood vessels are essential for tissue repair since they can support cells at the wound site with nutrition and oxygen. In this study, we investigated the effects of Asperosaponin VI (ASA VI) isolated from a traditional Chinese medicine, the root of Dipsacus asper Wall, in promoting angiogenesis, as well as its function in wound therapeutics. Treatment of human umbilical vein endothelial cells (HUVECs) with ASA VI (20-80 MUg/mL) dose-dependently promoted the proliferation, migration and enhanced their angiogenic ability in vitro, which were associated with the up-regulated HIF-1alpha/VEGF signaling. Full thickness cutaneous wound model rats were injected with ASA VI (20 mg.kg-1.d-1, iv) for 21 d. Administration of ASA VI significantly promoted the cutaneous wound healing, and more blood vessels were observed in the regenerated tissue. Due to rapid vascularization, the cellular proliferation status, granulation tissue formation, collagen matrix deposition and remodeling processes were all accelerated, resulting in efficient wound healing. In summary, ASA VI promotes angiogenesis of HUVECs in vitro via up-regulating the HIF-1alpha/VEGF pathway, and efficiently enhances the vascularization in regenerated tissue and facilitates wound healing in vivo. The results reveal that ASA VI is a potential therapeutic for vessel injury-related wounds. PMID- 29219949 TI - A miRNA-200c/cathepsin L feedback loop determines paclitaxel resistance in human lung cancer A549 cells in vitro through regulating epithelial-mesenchymal transition. AB - Cathepsin L (CTSL), a cysteine protease, is closely related to tumor occurrence, development, and metastasis, and possibly regulates cancer cell resistance to chemotherapy. miRNAs, especially the miR-200 family, have been implicated in drug resistant tumors. In this study we explored the relationship of CTSL, miRNA-200c and drug resistance, and the potential regulatory mechanisms in human lung cancer A549 cells and A549/TAX cells in vitro. A549/TAX cells were paclitaxel-resistant A549 cells overexpressing CTSL and characterized by epithelial-mesenchymal transition (EMT). We showed that miRNA-200c and CTSL were reciprocally linked in a feedback loop in these cancer cells. Overexpression of miRNA-200c in A549/TAX cells decreased the expression of CTSL, and enhanced their sensitivity to paclitaxel and suppressed EMT, whereas knockdown of miRNA-200c in A549 cells significantly increased the expression of CTSL, and decreased their sensitivity to paclitaxel and induced EMT. Overexpression of CTSL in A549 cells significantly decreased the expression of miRNA-200c, and reduced their sensitivity to paclitaxel and induced EMT, but these effects were reversed by miRNA-200c, whereas knockdown of CTSL in A549/TAX cells attenuated paclitaxel resistance and remarkably inhibited EMT, but the inhibition of miRNA-200c could reverse these effects. Therefore, miRNA-200c may be involved in regulating paclitaxel resistance through CTSL-mediated EMT in A549 cells, and CTSL and miRNA-200c are reciprocally linked in a feedback loop. PMID- 29219951 TI - Comparative study of long-term outcomes of accelerated and conventional collagen crosslinking for progressive keratoconus. AB - PurposeTo compare the long-term outcomes of accelerated corneal collagen crosslinking (CXL) to conventional CXL for progressive keratoconus.Patients and methodsComparative clinical study of consecutive progressive keratoconic eyes that underwent either accelerated CXL (9 mW/cm2 ultraviolet A (UVA) light irradiance for 10 min) or conventional CXL (3 mW/cm2 UVA light irradiance for 30 min). Eyes with minimum 12 months' follow-up were included. Post-procedure changes in keratometry readings (Flat meridian: K1; steep meridian: K2), central corneal thickness (CCT), best spectacle-corrected visual acuity (BSCVA), and manifest refraction spherical equivalent (MRSE) were analysed.ResultsA total of 42 eyes were included. In all, 21 eyes had accelerated CXL (20.5+/-5.5 months' follow-up) and 21 eyes had conventional CXL group (20.2+/-5.6 months' follow-up). In the accelerated CXL group, a significant reduction in K2 (P=0.02), however no significant change in K1 (P=0.35) and CCT (P=0.62) was noted. In the conventional CXL group, a significant reduction was seen in K1 (P=0.01) and K2 (P=0.04), but not in CCT (P=0.95). Although both groups exhibited significant reductions in K2 readings, no noteworthy differences were noted between them (P=0.36). Improvements in BSCVA (accelerated CXL; P=0.22 and conventional CXL; P=0.20) and MRSE (accelerated CXL; P=0.97 and conventional CXL; P=0.54) were noted, however were not significant in either group.ConclusionAccelerated and conventional CXL appear to be effective procedures for stabilising progressive keratoconus in the long-term. PMID- 29219952 TI - Early onset posterior subscapular cataract in a series of myotonic dystrophy type 2 patients. AB - PurposeEarly onset posterior subscapular cataract (<50 years of age) is a characteristic feature of myotonic dystrophy type 2 (DM2). Nevertheless, despite being operated at a young age, many patients remain undiagnosed for years. The purpose of this study was to assess the prevalence of early onset posterior subscapular cataract as a presenting symptom of the disease in a cohort of patients with DM2.Patients and methodsWe retrospectively reviewed medical records of DM2 patients followed in our institution for the presence of early onset posterior subscapular cataract, of any secondary causes of cataract, of the age of onset of muscle weakness and of final disease diagnosis.ResultsTwenty-eight patients were studied. Nine patients (32.1%) had presented early onset posterior subscapular cataract at a median age of 43 years (IQR=36-46) and seven (25%) reported it was the presenting sign. No patient was referred for neuromuscular evaluation due to the occurrence of early onset cataract. Median delay between cataract onset and referral for neuromuscular evaluation was 10 years (IQR=6.0 19.5) and final DM2 diagnosis was achieved after a median of 16 years (IQR=6.5 19.5).ConclusionThis study shows that early onset posterior subscapular cataract was the first symptom of the disease in 25% of our DM2 patients. Nevertheless, none was suspected of having cataract in the context of DM2, and referral for neuromuscular evaluation was made after a long delay and usually following the appearance of other symptoms. Ophthalmologists can be the first physicians encountering these patients and should have a low threshold for referring them for neuromuscular evaluation. PMID- 29219950 TI - Exosomes: new molecular targets of diseases. AB - Extracellular vesicles (EVs) comprise apoptotic bodies, microvesicles and exosomes, and they perform as key regulators in cell-to-cell communication in normal as well as diseased states. EVs contain natural cargo molecules, such as miRNA, mRNA and proteins, and transfer these functional cargos to neighboring cells or more distant cells through circulation. These functionally active molecules then affect distinct signaling cascades. The message conveyed to the recipient cells is dependent upon the composition of the EV, which is determined by the parent cell and the EV biogenesis. Because of their properties such as increased stability in circulation, biocompatibility, low immunogenicity and toxicity, EVs have drawn attention as attractive delivery systems for therapeutics. This review focuses on the functional use of exosomes in therapy and the potential advantages and challenges in using exosomes for therapeutic purposes. PMID- 29219954 TI - Migraine with aura and persistent foramen ovale. AB - The association between migraine with aura and persistent foramen ovale (PFO), as well as other right-to-left shunts, is described. A hypothesis that might explain this association is discussed. Observational studies suggested that when a PFO is closed patients who have migraine with aura are usually improved. The Migraine Intervention with STARFlex Technology (MIST) Trial was a randomised double-blind trial in patients with severe intractable migraine with aura and a moderate-large PFO that compared implantation of STARFlex devices with the intention of closing their PFO versus a sham procedure. It was hoped that the trial would demonstrate whether PFO closure would cure migraine. A series of problems in design and execution of the trial are discussed. PMID- 29219953 TI - Specific retinal phenotype in early IQCB1-related disease. AB - PurposeTo describe the ocular and systemic phenotype in IQCB1-related disease.MethodsFour cases (3 males, 1 female) with molecularly confirmed IQCB1 related disease underwent ophthalmological examination including best-corrected visual acuity (BCVA) measurement, fundus evaluation, electroretinography (ERG), and spectral-domain optical coherence tomography (SD-OCT). Systemic evaluation including abdominal ultrasound was performed in all cases.ResultsBCVA ranged from perception of light (Case-2; 1 year) to 20/125 (Case-1; 9 years). Fundus evaluation showed whitish or silvery reflex outside the vascular arcades in all cases; the reflex was circumferential, irregular and covered at-least 6 clock hours at younger ages (3 cases; 1-4 years). The reflex was less conspicuous with increasing age (Case-1 (9 years) and Case-4 (20 years)). The peripheral retinal SD-OCT scans showed evidence of extensive deposition at the level of retinal pigment epithelium with complete absence of overlying photoreceptor outer segments and myoid zone. The ERG was non-detectable in all cases. All cases harbored biallelic nonsense (p.R364*, p. R455*) or frameshifting (p.M370Yfs*49, p.C253Afs*9) mutations in IQCB1. Case-1 additionally had developmental delay, hemi-hyperplasia, toe syndactyly, and kidney cysts.ConclusionIQCB1-related syndromic or non-syndromic Leber congenital amaurosis (LCA) carries unique retinal characteristics which helps differentiate IQCB1-retinopathy from other genetic forms of LCA in childhood. PMID- 29219955 TI - 'On the capability and nomenclature of the Boston Keratoprosthesis type II'. PMID- 29219956 TI - Surgical outcomes of preoperative steroid for rhegmatogenous retinal detachment with associated choroidal detachment. AB - PurposeTo investigate the effect of preoperative steroid on anatomical and functional outcomes of vitrectomy in patients with rhegmatogenous retinal detachment with associated choroidal detachment (RRD-CD), a rare but particular type of RRD.Patients and methodsThis retrospective cohort study included RRD-CD patients at Siriraj Hospital during January 2005 to December 2014. Patients with preexisting uveitis or RRD with giant retinal tears were excluded. Preoperative, intraoperative, and postoperative data were reviewed and analyzed.ResultsA total of 76 patients (76 eyes) with RRD-CD were included: 37 patients without preoperative steroid (Group A) and 39 patients with preoperative steroid for a median of 7 days (Group B: 34 patients with oral prednisolone (0.5-1 mg/kg/day) and 5 patients with 20 or 40 mg of subtenon triamcinolone). The total retinal reattachment rate at 3 months after one operation was not different between the two groups (59 vs 51%) with adjustment for confounders. The proportion of patients with visual acuity (VA) improvement at 3 months was also not different (57 vs 54%). Survival analysis revealed that 96% of redetachment cases occurred within the first 3 months and redetachment rate was not different between the two groups for up to 3 years. However, Group B showed a significant regression (partial or complete) of CD prior to operation compared to Group A (82 vs 30%, P<0.001).ConclusionPreoperative steroid significantly improved CD before vitrectomy, but seemed not to improve the single-operation retinal reattachment rate or VA at 3 months when compared to no steroid treatment in RRD-CD patients. PMID- 29219957 TI - Anterior chamber lens implantation in vitrectomised eyes. AB - PurposeTo investigate long-term visual acuity (VA) outcomes and complication rates in vitrectomised eyes undergoing anterior chamber intraocular lens (ACIOL) insertion.Patients and methodsA single-centre, retrospective case series including all patients who had undergone ACIOL placement at the time of vitrectomy surgery or having had previous vitrectomy, between January 2007 and January 2013. Patients were identified using an electronic database and paper casefile notes were analysed for all patients. Patients were excluded if they had <3 months follow-up.ResultsTwo hundred and seventy-one patients were included in the analysis. Mean follow-up was 27 months. One hundred and forty-eight patients were vitrectomised before ACIOL placement. One hundred and twenty-three patients underwent vitrectomy at the time of ACIOL placement. Mean best-corrected visual acuity (BCVA) before ACIOL placement was 1.27 LogMar (SD 0.95). Mean BCVA at final follow-up was 0.51 LogMar (SD 0.66) (paired-sample T-test P<0.001). Forty (15%) patients developed postoperative cystoid macular oedema (CMO). Eighty-seven (32%) patients had an intraocular pressure (IOP) rise acutely post ACIOL insertion. Fifteen (6%) patients developed corneal decompensation. Five subsequently required corneal grafting. Sixteen patients had ACIOL displacement or instability requiring further surgery.ConclusionsACIOL insertion after vitrectomy is effective. Ninety-two per cent of patients maintained or gained VA, comparable to previous studies of ACIOL insertion post complicated cataract surgery. Raised IOP was the most frequent complication: 61 patients were on topical therapy at most recent follow-up. CMO tended to be acute. Corneal decompensation was infrequent. PMID- 29219958 TI - Spike in neuroimaging requests following the conviction of the optometrist Honey Rose. PMID- 29219959 TI - Primary orbital Ewing sarcoma family of tumors: a study of 12 cases. AB - PurposeThe purpose of this study is to discuss the clinical presentation, management, and outcomes of patients with primary orbital Ewing sarcoma family of tumors (ESFTs).Patients and methodsRetrospective study of 12 patients with biopsy proven primary orbital ESFT.ResultsThe mean age at presentation of primary orbital ESFT was 12 years (median, 8 years; range, 5 months to 28 years). There were seven (58%) females and five (42%) males. The presenting complaints included proptosis (n=10; 83%) and swelling in the upper eyelid (n=2; 17%). The mean duration of symptoms was 9 weeks (median, 5 weeks; range, 2-24 weeks). Tumor epicenter was located in the superior orbit (n=6; 50%), lateral orbit (n=3; 25%), inferior orbit (n=2; 17%), and medial orbit (n=1; 8%). Computed tomography of the orbits revealed predominant bony lesion (n=10; 83%) or isolated soft tissue/extraosseous lesion (n=2, 17%). At presentation, extraorbital extension was noticed in 10 patients including intra cranial extension (n=7; 58%), extension into temporal fossa (n=4; 33%), nasal cavity (n=2; 17%), maxillary sinus (n=2; 17%), and ethmoid sinus (n=1, 8%). Systemic metastases at presentation was detected in five (42%) patients involving the bone marrow (n=4; 33%), kidney (n=1; 8%), and retroperitoneal lymphnode (n=1; 8%). Multi-modal treatment including a combination of neoadjuvant chemotherapy, excision biopsy/debulking, and/or radiotherapy was given. Over a mean follow-up period of 21 months (median, 7 months; range, 1-152 months), disease-related death occurred in 11 (92%) cases.ConclusionPrimary orbital ESFT is aggressive at presentation and is associated with poor prognosis. PMID- 29219960 TI - Exploring factors predicting changes in patients' expectations and psychosocial issues during the course of treatment with intravitreal injections for wet age related macular degeneration. AB - PurposePatients with wet age-related macular degeneration (AMD) often require long courses of treatment. We investigate the psychosocial issues that could hinder compliance, including patient expectations of treatment. The aims of this study were to explore the factors related to changes in patient expectations, pain, and anxiety during treatment.Patients and methodsA structured interview was carried out among 50 patients selected from the list attending the AMD unit at the Princess Alexandra Eye Pavilion (PAEP). The interview was based on a questionnaire. Additionally, a visual analogue scale was created as a tool for measuring patient expectations, pain, and anxiety. Data were analysed using multinomial regression analysis.ResultsThere were significantly more patients who had a fall in expectations (P<0.05) during the course of treatment. A fall in expectations was found to be predicted by higher starting expectations (P=0.00001), greater decline in visual acuity (P=0.008), and perceived deterioration of vision after starting treatment (P=0.013). Of the patients, 32% planned to stop attending for further injections. Planning to stop attending was correlated with worse final visual acuity (P=0.026, 95% CI). Pain and anxiety with intravitreal therapy (IVT) was significantly reduced when patients were accompanied to the clinic by a friend or relative (P<0.01) using Pearson's correlation (r=0.597).ConclusionPatients require appropriate counselling at the start of a course of treatment to align expectations with perceived treatment outcomes in order to improve adherence. Additionally, a large minority of patients would consider stopping treatment. Patients' expectations should be assessed at relevant time points along a course of treatment. PMID- 29219961 TI - Measurement of full-thickness macular hole size using en face optical coherence tomography. AB - PurposeTo assess the feasibility and interest of measuring macular hole (MH) size using en face optical coherence tomography (OCT) compared with manual diameter measurements on B-scans.MethodsAmong our previously published series of 100 patients operated for primary MH, patients whose images were acquired with Cirrus 5000 HD-OCT (Carl Zeiss Meditec) with a quality signal strength >5/10 were included. Three segmentations (internal limiting membrane, horizontal, and retinal pigment epithelium (RPE)) were compared for obtaining the most appropriate en face image. MH surface areas were measured using ImageJ software. Mean diameters calculated from surface areas (diameter=2 * ?(surface area/pi)) were compared with those measured on B-scans.ResultsNineteen patients were included with a mean age of 72+/-8 years (56-86) and a female predominance (3/16). The mean absolute difference between horizontal and vertical diameters measured on B-scans was of 54+/-47 MUm (0-180) without reaching significance (P=0.874). RPE segmentation provided the best en face image and was feasible without and with adjustment, respectively, in 79% and 100% (cases with vitreomacular traction) of cases. No significant difference in mean diameters was observed between those calculated from en face images (435+/-143 MUm (195-693)) and those measured on horizontal B-scans (426+/-139 MUm (214-705), P=0.482).ConclusionMeasuring MH size on en face OCT images is feasible, reliable, and eliminates the potential bias related to manual measurements on B-scans. Its integration into OCT devices would offer an automated and easy-to-use option for clinical practice. PMID- 29219962 TI - Predictors of long-term neurological outcomes in non-accidental head injury. AB - BackgroundNon-accidental head injury (NAI) is an inflicted injury usually on a child, often resulting in long-term neurological impairment and occasionally death. This study aimed to investigate the predictive values of acute findings, especially ocular, for long-term neurological outcomes.MethodsMedical records including retinal images of all children who attended the local Children's hospital with a diagnosis of NAI from over a period of 5 years were reviewed and data collected via the electronic patient record system. Patient demographics, injuries sustained, wide-field digital retinal images, visual acuity and sequalae, neurological function, and global function was noted. IBM SPSS software program was used for statistical analysis.ResultsOf the 38 patients (24 males, 14 females), 12 children died acutely from the head injury with the remaining 26 children available for long-term follow-up. A younger age of injury (P=0.004) was the only statistically significant predictor of good neurological outcome as compared with absence of macular retinoschisis, unilateral retinal haemorrhage, and unilateral subdural haemorrhage. Of the 38 children, 17 children had retinoschisis; 9 children with macular retinoschisis died acutely while 4 suffered a degree of developmental delay and only 4 were developmentally normal at the last follow-up. Long-term visual acuity data was available for 18 of the 26 survivors (range: NPL to Snellen 6/5). A statistical significance was noted between retinoschisis and worsened visual acuity (P<0.05).ConclusionsBilateral macular retinoschisis on acute presentation of NAI is associated with a seven fold and unilateral with a four-fold increase in the development of a poor neurological outcome and eventual death. Conflicting to other studies, younger children presented better neurological outcomes. PMID- 29219963 TI - Biotechnological mass production of DNA origami. AB - DNA nanotechnology, in particular DNA origami, enables the bottom-up self assembly of micrometre-scale, three-dimensional structures with nanometre-precise features. These structures are customizable in that they can be site-specifically functionalized or constructed to exhibit machine-like or logic-gating behaviour. Their use has been limited to applications that require only small amounts of material (of the order of micrograms), owing to the limitations of current production methods. But many proposed applications, for example as therapeutic agents or in complex materials, could be realized if more material could be used. In DNA origami, a nanostructure is assembled from a very long single-stranded scaffold molecule held in place by many short single-stranded staple oligonucleotides. Only the bacteriophage-derived scaffold molecules are amenable to scalable and efficient mass production; the shorter staple strands are obtained through costly solid-phase synthesis or enzymatic processes. Here we show that single strands of DNA of virtually arbitrary length and with virtually arbitrary sequences can be produced in a scalable and cost-efficient manner by using bacteriophages to generate single-stranded precursor DNA that contains target strand sequences interleaved with self-excising 'cassettes', with each cassette comprising two Zn2+-dependent DNA-cleaving DNA enzymes. We produce all of the necessary single strands of DNA for several DNA origami using shaker-flask cultures, and demonstrate end-to-end production of macroscopic amounts of a DNA origami nanorod in a litre-scale stirred-tank bioreactor. Our method is compatible with existing DNA origami design frameworks and retains the modularity and addressability of DNA origami objects that are necessary for implementing custom modifications using functional groups. With all of the production and purification steps amenable to scaling, we expect that our method will expand the scope of DNA nanotechnology in many areas of science and technology. PMID- 29219964 TI - Greater future global warming inferred from Earth's recent energy budget. AB - Climate models provide the principal means of projecting global warming over the remainder of the twenty-first century but modelled estimates of warming vary by a factor of approximately two even under the same radiative forcing scenarios. Across-model relationships between currently observable attributes of the climate system and the simulated magnitude of future warming have the potential to inform projections. Here we show that robust across-model relationships exist between the global spatial patterns of several fundamental attributes of Earth's top-of atmosphere energy budget and the magnitude of projected global warming. When we constrain the model projections with observations, we obtain greater means and narrower ranges of future global warming across the major radiative forcing scenarios, in general. In particular, we find that the observationally informed warming projection for the end of the twenty-first century for the steepest radiative forcing scenario is about 15 per cent warmer (+0.5 degrees Celsius) with a reduction of about a third in the two-standard-deviation spread (-1.2 degrees Celsius) relative to the raw model projections reported by the Intergovernmental Panel on Climate Change. Our results suggest that achieving any given global temperature stabilization target will require steeper greenhouse gas emissions reductions than previously calculated. PMID- 29219965 TI - Fractal assembly of micrometre-scale DNA origami arrays with arbitrary patterns. AB - Self-assembled DNA nanostructures enable nanometre-precise patterning that can be used to create programmable molecular machines and arrays of functional materials. DNA origami is particularly versatile in this context because each DNA strand in the origami nanostructure occupies a unique position and can serve as a uniquely addressable pixel. However, the scale of such structures has been limited to about 0.05 square micrometres, hindering applications that demand a larger layout and integration with more conventional patterning methods. Hierarchical multistage assembly of simple sets of tiles can in principle overcome this limitation, but so far has not been sufficiently robust to enable successful implementation of larger structures using DNA origami tiles. Here we show that by using simple local assembly rules that are modified and applied recursively throughout a hierarchical, multistage assembly process, a small and constant set of unique DNA strands can be used to create DNA origami arrays of increasing size and with arbitrary patterns. We illustrate this method, which we term 'fractal assembly', by producing DNA origami arrays with sizes of up to 0.5 square micrometres and with up to 8,704 pixels, allowing us to render images such as the Mona Lisa and a rooster. We find that self-assembly of the tiles into arrays is unaffected by changes in surface patterns on the tiles, and that the yield of the fractal assembly process corresponds to about 0.95m - 1 for arrays containing m tiles. When used in conjunction with a software tool that we developed that converts an arbitrary pattern into DNA sequences and experimental protocols, our assembly method is readily accessible and will facilitate the construction of sophisticated materials and devices with sizes similar to that of a bacterium using DNA nanostructures. PMID- 29219966 TI - Gigadalton-scale shape-programmable DNA assemblies. AB - Natural biomolecular assemblies such as molecular motors, enzymes, viruses and subcellular structures often form by self-limiting hierarchical oligomerization of multiple subunits. Large structures can also assemble efficiently from a few components by combining hierarchical assembly and symmetry, a strategy exemplified by viral capsids. De novo protein design and RNA and DNA nanotechnology aim to mimic these capabilities, but the bottom-up construction of artificial structures with the dimensions and complexity of viruses and other subcellular components remains challenging. Here we show that natural assembly principles can be combined with the methods of DNA origami to produce gigadalton scale structures with controlled sizes. DNA sequence information is used to encode the shapes of individual DNA origami building blocks, and the geometry and details of the interactions between these building blocks then control their copy numbers, positions and orientations within higher-order assemblies. We illustrate this strategy by creating planar rings of up to 350 nanometres in diameter and with atomic masses of up to 330 megadaltons, micrometre-long, thick tubes commensurate in size to some bacilli, and three-dimensional polyhedral assemblies with sizes of up to 1.2 gigadaltons and 450 nanometres in diameter. We achieve efficient assembly, with yields of up to 90 per cent, by using building blocks with validated structure and sufficient rigidity, and an accurate design with interaction motifs that ensure that hierarchical assembly is self-limiting and able to proceed in equilibrium to allow for error correction. We expect that our method, which enables the self-assembly of structures with sizes approaching that of viruses and cellular organelles, can readily be used to create a range of other complex structures with well defined sizes, by exploiting the modularity and high degree of addressability of the DNA origami building blocks used. PMID- 29219967 TI - Primordial clays on Mars formed beneath a steam or supercritical atmosphere. AB - On Mars, clay minerals are widespread in terrains that date back to the Noachian period (4.1 billion to 3.7 billion years ago). It is thought that the Martian basaltic crust reacted with liquid water during this time to form hydrated clay minerals. Here we propose, however, that a substantial proportion of these clays was formed when Mars' primary crust reacted with a dense steam or supercritical atmosphere of water and carbon dioxide that was outgassed during magma ocean cooling. We present experimental evidence that shows rapid clay formation under conditions that would have been present at the base of such an atmosphere and also deeper in the porous crust. Furthermore, we explore the fate of a primordial clay-rich layer with the help of a parameterized crustal evolution model; we find that the primordial clay is locally disrupted by impacts and buried by impact ejected material and by erupted volcanic material, but that it survives as a mostly coherent layer at depth, with limited surface exposures. These exposures are similar to those observed in remotely sensed orbital data from Mars. Our results can explain the present distribution of many clays on Mars, and the anomalously low density of the Martian crust in comparison with expectations. PMID- 29219969 TI - Scientists want in on humanity's next big space station. PMID- 29219970 TI - Grows well in sun and warmth - and shade and cold. PMID- 29219968 TI - Programmable self-assembly of three-dimensional nanostructures from 10,000 unique components. AB - Nucleic acids (DNA and RNA) are widely used to construct nanometre-scale structures with ever increasing complexity, with possible application in fields such as structural biology, biophysics, synthetic biology and photonics. The nanostructures are formed through one-pot self-assembly, with early kilodalton scale examples containing typically tens of unique DNA strands. The introduction of DNA origami, which uses many staple strands to fold one long scaffold strand into a desired structure, has provided access to megadalton-scale nanostructures that contain hundreds of unique DNA strands. Even larger DNA origami structures are possible, but manufacturing and manipulating an increasingly long scaffold strand remains a challenge. An alternative and more readily scalable approach involves the assembly of DNA bricks, which each consist of four short binding domains arranged so that the bricks can interlock. This approach does not require a scaffold; instead, the short DNA brick strands self-assemble according to specific inter-brick interactions. First-generation bricks used to create three dimensional structures are 32 nucleotides long, consisting of four eight nucleotide binding domains. Protocols have been designed to direct the assembly of hundreds of distinct bricks into well formed structures, but attempts to create larger structures have encountered practical challenges and had limited success. Here we show that DNA bricks with longer, 13-nucleotide binding domains make it possible to self-assemble 0.1-1-gigadalton, three-dimensional nanostructures from tens of thousands of unique components, including a 0.5 gigadalton cuboid containing about 30,000 unique bricks and a 1-gigadalton rotationally symmetric tetramer. We also assembled a cuboid that contains around 10,000 bricks and about 20,000 uniquely addressable, 13-base-pair 'voxels' that serves as a molecular canvas for three-dimensional sculpting. Complex, user prescribed, three-dimensional cavities can be produced within this molecular canvas, enabling the creation of shapes such as letters, a helicoid and a teddy bear. We anticipate that with further optimization of structure design, strand synthesis and assembly procedure even larger structures could be accessible, which could be useful for applications such as positioning functional components. PMID- 29219971 TI - A celebration of Spain's exemplary lab leaders. PMID- 29219973 TI - Vivid views of the PINK1 protein. PMID- 29219974 TI - Arctic fishing, robot explorers and Chinese medicines. PMID- 29219975 TI - Frank Brown (1943-2017). PMID- 29219976 TI - US science gender gap unpicked. PMID- 29219977 TI - Papers to patents. PMID- 29219978 TI - Use machine learning to find energy materials. PMID- 29219979 TI - Great mentoring is key for the next generation of scientists. PMID- 29219980 TI - A guide to the Nature Index. PMID- 29219981 TI - A test drive of a DNA-analysis toolkit in the cloud. PMID- 29219982 TI - India's commitment to science begins to pay off. PMID- 29219984 TI - Muscle-cell manoeuvres. PMID- 29219985 TI - Wanted: academics wise to the needs of government. PMID- 29219986 TI - Gauging the risk from US nuclear waste. PMID- 29219987 TI - A firm shift. PMID- 29219988 TI - A steamy proposal for Martian clays. PMID- 29219989 TI - Huge haul of rare pterosaur eggs excites palaeontologists. PMID- 29219990 TI - Bat cave solves mystery of deadly SARS virus - and suggests new outbreak could occur. PMID- 29219991 TI - In good company. PMID- 29219992 TI - Outsourcing discovery. PMID- 29219995 TI - Two-dimensional tellurium. PMID- 29219994 TI - Gene-drive technology needs thorough scrutiny. PMID- 29219996 TI - Help wanted: industry seeks science alliances. PMID- 29219997 TI - Six principles for energy innovation. PMID- 29219998 TI - Corporates make reluctant partners. PMID- 29220000 TI - Industry links boost research output. PMID- 29220001 TI - Hundreds of German universities set to lose access to Elsevier journals. PMID- 29220002 TI - A tip of the hat to evolutionary change. PMID- 29220003 TI - Celebrate results of German excellence initiative. PMID- 29220004 TI - Lost opportunities. PMID- 29220005 TI - Quantum-teleportation experiments turn 20. PMID- 29220006 TI - Save Iran's cheetah from extinction. PMID- 29220007 TI - DNA self-assembly scaled up. PMID- 29220008 TI - Scrap very useless qualifiers in research papers. PMID- 29220009 TI - Carbon belts and chains aid nanotech resurgence. PMID- 29220010 TI - Archaeologists uneasy as Trump shrinks Bears Ears monument lands. PMID- 29220011 TI - The labs that forge distant planets here on Earth. PMID- 29220012 TI - First among equals. PMID- 29220015 TI - Drug pipeline 3Q17. PMID- 29220013 TI - Corrigendum: In vivo genome editing and organoid transplantation models of colorectal cancer and metastasis. AB - This corrects the article DOI: 10.1038/nbt.3836. PMID- 29220016 TI - Recent patents in xenotransplantation. PMID- 29220017 TI - Will inter partes review speed US generic drug entry? PMID- 29220018 TI - Ablynx's nanobody fragments go places antibodies cannot. PMID- 29220019 TI - Amgen cholesterol antibody feud could kill key IP rule. PMID- 29220022 TI - Around the world in a month. PMID- 29220020 TI - Microbial synthesis of medium-chain chemicals from renewables. AB - Linear, medium-chain (C8-C12) hydrocarbons are important components of fuels as well as commodity and specialty chemicals. As industrial microbes do not contain pathways to produce medium-chain chemicals, approaches such as overexpression of endogenous enzymes or deletion of competing pathways are not available to the metabolic engineer; instead, fatty acid synthesis and reversed beta-oxidation are manipulated to synthesize medium-chain chemical precursors. Even so, chain lengths remain difficult to control, which means that purification must be used to obtain the desired products, titers of which are typically low and rarely exceed milligrams per liter. By engineering the substrate specificity and activity of the pathway enzymes that generate the fatty acyl intermediates and chain-tailoring enzymes, researchers can boost the type and yield of medium-chain chemicals. Development of technologies to both manipulate chain-tailoring enzymes and to assay for products promises to enable the generation of g/L yields of medium-chain chemicals. PMID- 29220023 TI - Corrigendum: Development and function of human innate immune cells in a humanized mouse model. PMID- 29220024 TI - MAGE in yeast is a go. PMID- 29220025 TI - California cracks down on stem cell cowboys. PMID- 29220026 TI - A new crop of microbe startups raises big bucks, takes on the establishment. PMID- 29220027 TI - When pig organs will fly. PMID- 29220028 TI - Erratum: Revisiting the Warnock rule. AB - This corrects the article DOI: 10.1038/nbt.4015. PMID- 29220030 TI - Methods, preprints and papers. PMID- 29220029 TI - Corrigendum: Shotgun metagenomics, from sampling to analysis. AB - This corrects the article DOI: 10.1038/nbt.3935. PMID- 29220031 TI - Activists bury India's GM mustard hopes. PMID- 29220032 TI - Institutional culture is the key to team science. PMID- 29220033 TI - Challenges and recommendations for epigenomics in precision health. PMID- 29220035 TI - The Broad and Johns Hopkins lure deep-pocketed investors. PMID- 29220034 TI - Just how good an investment is the biopharmaceutical sector? AB - Uncertainty surrounding the risk and reward of investments in biopharmaceutical companies poses a challenge to those interested in funding such enterprises. Using data on publicly traded stocks, we track the performance of 1,066 biopharmaceutical companies from 1930 to 2015-the most comprehensive financial analysis of this sector to date. Our systematic exploration of methods for distinguishing biotech and pharmaceutical companies yields a dynamic, more accurate classification method. We find that the performance of the biotech sector is highly sensitive to the presence of a few outlier companies, and confirm that nearly all biotech companies are loss-making enterprises, exhibiting high stock volatility. In contrast, since 2000, pharmaceutical companies have become increasingly profitable, with risk-adjusted returns consistently outperforming the market. The performance of all biopharmaceutical companies is subject not only to factors arising from their drug pipelines (idiosyncratic risk), but also from general economic conditions (systematic risk). The risk associated with returns has profound implications both for patterns of investment and for funding innovation in biomedical R&D. PMID- 29220037 TI - Corrections. PMID- 29220036 TI - The international MAQC Society launches to enhance reproducibility of high throughput technologies. PMID- 29220038 TI - Top 20 translational researchers of 2016. PMID- 29220039 TI - Robotic lobectomy: revolution or evolution? PMID- 29220040 TI - From manual to robotic video-assisted resection of posterior mediastinal masses. PMID- 29220041 TI - Robotic assisted minimally invasive esophagectomy for esophageal cancer: a comment on the Ruijin hospital experience. PMID- 29220042 TI - Robotic portal lobectomy, surgery through a virtual thoracotomy. PMID- 29220043 TI - Robotic-assisted thoracic surgery: a helpful tool or just another expensive gadget? PMID- 29220044 TI - Low coordinated mononuclear erbium(iii) single-molecule magnets with C3v symmetry: a method for altering single-molecule magnet properties by incorporating hard and soft donors. AB - Structures and magnetic characteristics of two three-coordinate erbium(iii) compounds with C3v geometry, tris(2,6-di-tert-butyl-p-cresolate)erbium, Er(dbpc)3 (1) and tris(bis(trimethylsilyl)methyl)erbium, Er(btmsm)3 (2), were determined. Both underwent temperature-dependent slow magnetic relaxation processes in the absence of an external magnetic field. As a result of the differences in the coordination environment, they exhibit different energy barriers and quantum tunneling of magnetization (QTM) constants. PMID- 29220045 TI - Molecular dynamics studies of irradiation effects on hydrogen isotope diffusion through nickel crystals and grain boundaries. AB - Experiments indicated that tritium permeation in 316 austenitic stainless steel is enhanced by a factor of ~2-5 after irradiation as compared to the ex-reactor results. To understand this enhancement, we have performed extensive molecular dynamics simulations to study the effects of both the grain boundary structure (Sigma3{111}, Sigma5{100} and Sigma11{311}) and the nature of point defects (vacancy, interstitial, and Frenkel pair) on hydrogen diffusivities in an exemplar fcc metal (nickel). By deriving diffusivities from mean square displacement, all possible atomic jump paths encountered during real diffusion are realistically sampled. By performing extremely long simulations, the statistical errors typically associated with this method are also significantly reduced. We found that within grains, interstitial defects increase diffusivity whereas vacancies have almost no effects. This mechanism might explain hydrogen permeation enhancements in irradiated materials with coarse grains. The largest increase in hydrogen diffusivity was found at a certain combination of grain boundary and point defect. This suggests that permeability of materials with finer grains can also be enhanced by irradiation depending on whether the grain boundary character is skewed. Our results shed new light on the enhancement of tritium permeation in 316 stainless steels during reactor operations. PMID- 29220046 TI - Au70S20(PPh3)12: an intermediate sized metalloid gold cluster stabilized by the Au4S4 ring motif and Au-PPh3 groups. AB - Reducing (Ph3P)AuSC(SiMe3)3 with l-Selectride(r) gives the medium-sized metalloid gold cluster Au70S20(PPh3)12. Computational studies show that the phosphine bound Au-atoms not only stabilize the electronic structure of Au70S20(PPh3)12, but also behave as electron acceptors leading to auride-like gold atoms on the exterior. PMID- 29220047 TI - A bonding evolution analysis for the thermal Claisen rearrangement: an experimental and theoretical exercise for testing the electron density flow. AB - A comprehensive theoretical investigation of the thermal Claisen rearrangement of allyl vinyl ether (AVE) to allylacetaldehyde has been carried out. We present the use of the electron localization function (ELF) to monitor the bonding evolution aspects in the course of this thermal rearrangement and the results are compared with a photo-impulsive process where instantaneous vibration frequencies are monitored [I. Iwakura, Phys. Chem. Chem. Phys., 2011, 12, 5546-5555]. Our results reveal an asynchronous electron density rearrangement inasmuch that the breaking of the C3-O bond and the formation of C1-C5 do not take place simultaneously. We also demonstrate how the bonding evolution brings about the natural appearance of the curly arrows representing the electronic flow in molecular rearrangements. This holds the key to gaining an unprecedented insight into the mapping of the electron density flow while the bonds change throughout the reaction progress. PMID- 29220048 TI - Photokinetic study on remarkable excimer phosphorescence from heteroleptic cyclometalated platinum(ii) complexes bearing a benzoylated 2-phenylpyridinate ligand. AB - Novel heteroleptic cyclometalated platinum(ii) complexes consisting of 5' benzoylated 2-phenylpyridinate (ppy) cyclometalated and acetylacetonate ancillary ligands were synthesized, and their photoluminescence (PL) properties were investigated. The 5'-benzoylated complex without any other substituents exhibited phosphorescence-based monomer emission at 479 nm in dichloromethane (10 MUM, rt) with a PL quantum yield of 0.28. On the other hand, in poly(methyl methacrylate) (PMMA) film, remarkable excimer emission additionally emerged at ca. 600 nm with a relatively high PL quantum yield of 0.47 as the doping level increased to 0.20 mmmol g-1, which was comparably intense in comparison with the monomer emission. In the case of the complexes with unsubstituted, 4'-benzoylated, and 5' fluorinated ppy cyclometalated ligands, excimer emission was modestly generated at the same doping level, and thus the introduction of a benzoyl group to the 5' position is effective to obtain remarkable excimer emission. The combination of benzoyl and fluoro groups was more effective at inducing excimer emission, and the intensity of excimer emission of the 2-(5-benzoyl-4,6 difluorophenyl)pyridinate-based complex was 3.5 times larger than that of monomer emission at a doping level of 0.20 mmmol g-1 in PMMA. From the analysis of PL lifetimes at varying concentrations, photokinetic profiles were fully analyzed according to the model system for the irreversible excimer formation, and the excimer formation rate constant of the 5'-benzoylated complex was determined in dichloromethane as 2.2 * 109 M-1 s-1, which is 4.4 times larger than that of the unsubstituted complex. We also fabricated an organic light-emitting diode using the 2-(5-benzoyl-4,6-difluorophenyl)pyridinate-based complex as a single emitter. The device exhibited pseudo-white EL with the Commission internationale de l'eclairage chromaticity coordinates of (0.42, 0.42). PMID- 29220049 TI - Unprecedented NH2-MIL-101(Al)/n-Bu4NBr system as solvent-free heterogeneous catalyst for efficient synthesis of cyclic carbonates via CO2 cycloaddition. AB - Amine-functionalised framework NH2-MIL-101(Al) was synthesized using a solvothermal and microwave method and characterized by PXRD, FT-IR, TGA, SEM-EDX, and BET surface area analysis. The desolvated framework, in the presence of co catalyst tetrabutylammonium bromide (TBAB), acted as an excellent heterogeneous catalyst for the solvent-free cycloaddition of carbon dioxide (CO2) with epoxides, affording five-membered cyclic carbonates. Using styrene oxide, the NH2 MIL-101(Al)/TBAB system showed more than 99% conversion, affording 96% yield and 99% selectivity with a turn over frequency of 23.5 h-1. This validated the synergistic effect of the quaternary ammonium salt during CO2 cycloaddition. The catalyst could be recycled at least five times without a noticeable loss in activity, while leaching test showed no leached Al3+ ions throughout the reaction. Thorough analysis of the reaction parameters showed that the optimum conditions for obtaining the maximum yield and highest selectivity were 120 degrees C and 18 bar of CO2 for 6 h. The outstanding conversion and selectivity were maintained for a range of aliphatic and aromatic epoxides, corroborating the duel benefit of the micro-mesoporous system with amine functionality, which offered easy access for reactant molecules with diverse sizes, and provided inspiration for future CO2 cycloaddition catalytic systems. We also propose a rationalized mechanism for the cycloaddition reaction mediated by NH2-MIL-101(Al) and TBAB based on literature precedent and experimental outcome. PMID- 29220050 TI - A pair of polymorphous metal-organic frameworks based on an angular diisophthalate linker: synthesis, characterization and gas adsorption properties. AB - The combination of an angular diisophthalate ligand, 5,5'-(naphthyl-2,7 yl)diisophthalate (H4L), and copper ions under different solvothermal conditions afforded two polymorphous metal-organic frameworks (ZJNU-77 and ZJNU-78) with the same framework composition of [Cu2(L)(H2O)2], providing a platform to investigate the relationship between MOF polymorphism and gas adsorption properties. As determined by single-crystal X-ray diffraction, ZJNU-77 and ZJNU-78 exhibited three-dimensional networks crystallizing in different space groups. Their structural differences were mainly manifested by the ligand's conformation, the level of framework interpenetration and the network's topology. Interestingly, gas adsorption studies showed that the two compounds after desolvation displayed comparable gas adsorption properties with respect to C2H2, CO2 and CH4, despite their different surface areas and pore volumes. The C2H2, CO2, and CH4 uptake capacities at 298 K and 1 atm are 120.2, 78.1, and 18.4 cm3 (STP) g-1 for ZJNU 77, and 122.0, 82.0, and 18.9 cm3 (STP) g-1 for ZJNU-78, respectively. The IAST adsorption selectivities for the equimolar C2H2/CH4 and CO2/CH4 mixtures are 28.6 and 5.7 for ZJNU-77, and 28.4 and 5.9 for ZJNU-78 at 298 K and 1 atm. These results indicate that besides the surface area, the pore size also plays a crucial role in gas adsorption. This work not only represents an intriguing example of MOF polymorphism achieved by controlling solvothermal conditions, but also provides an insight into the correlation between MOF polymorphism and gas adsorption properties. PMID- 29220051 TI - Improving extraction and post-purification concentration of membrane proteins. AB - Membrane proteins (MPs), despite being critically important drug targets for the pharmaceutical industry, are difficult to study due to challenges in obtaining high yields of functional protein. Most current extraction efforts use specialized non-ionic detergents to solubilize and stabilize MPs, with MPs being concentrated by ultrafiltration (UF). However, many detergents are retained during the UF step, which can destabilize MPs and/or interfere with their characterization. Here, we studied the influence of detergent selection on the extraction and UF-based concentration of biomedically-relevant MPs, the light driven sodium and chloride transporters, KR2 and halorhodopsin (pHR) which are also model proteins for more complex mammalian rhodopsins. We also designed a flat-bottomed centrifugal filter that can concentrate MPs with enhanced removal of free detergents by promoting concentration polarization (CP). We tested the performance of this new filter using four commonly employed MP detergents, octyl beta-D maltoside (OM), decyl-beta-D maltoside (DM), dodecyl-beta-D maltoside (DDM) and octyl-beta-D glucoside (OG), over a range of detergent and salt concentrations. Detergent passage is significantly higher for the flat-bottomed filter achieving up to 2-fold greater sieving of detergent in DM-solubilized pHR system due to the high degree of CP. We observe more efficient, up to 5-fold higher extraction of KR2 in the presence of a longer 12-carbon alkyl chain detergent, DDM compared to a shorter 8-carbon detergent, OM. Assuming complete binding and elution of the extracted protein, DDM-based extraction of KR2 could lead to a potential 7-fold improvement in purification yields compared to conventional methods which yield ~1 mg MP per liter of cell culture. However, the longer chain detergents like DDM form larger micelles that are difficult to remove by UF. Thus, there exists a trade-off between choosing a detergent that will enable efficient extraction of MP while showing easier removal during subsequent UF. The extraction efficiency and UF-based separation of detergent micelles provide insights for other applications involving detergent-mediated separation/extraction. PMID- 29220052 TI - Hypoglycemic and hypolipidemic effects of anthocyanins extract from black soybean seed coat in high fat diet and streptozotocin-induced diabetic mice. AB - Black soybean seed coat extract (BSSCE) is a rich source of anthocyanins with multiple health effects. This study was aimed at investigating the composition and hypoglycemic and hypolipidemic effects of BSSCE in vitro and in a high-fat diet and streptozotocin (STZ)-induced diabetic mice. The anthocyanins of BSSCE were identified as cyanidin-3-O-glucoside, delphinidin-3-O-glucoside, and peonidin-3-O-glucoside by HPLC-MS. Results demonstrated that BSSCE exhibited strong inhibitory activities for alpha-amylase, potent inhibition activity against lipid accumulation in HepG2 cells and protection effect on H2O2-induced oxidative stress-damaged HepG2 cells. The food and water intake, body weight loss, blood glucose and insulin level of BSSCE treatment group were found to be significantly reduced when compared with those of diabetic mice group (p < 0.05). The fasting blood glucose level and insulin level of the BSSCE 400 mg kg-1 group mice significantly decreased by 47.97% and 46.49%, respectively. The oral glucose tolerance and activities of antioxidant enzymes including superoxide dismutase (SOD), glutathione peroxidase (GPX) and catalase (CAT) notably improved (p < 0.05). BSSCE could also ameliorate the atherogenic dyslipidaemia of diabetic mice by remarkably decreasing the content of total cholesterol (T-CHO), total triglyceride (TG), and non-esterified fatty acid (NEFA) and increasing the content of high-density lipoprotein cholesterol (HDL-c) (p < 0.05). BSSCE could protect against liver, kidney and pancreas damages in diabetic mice. This study suggested that cyanidin-3-O-glucoside contributed to BSSCE-induced hypoglycemia and hypolipidemia effects in type 2 diabetes mellitus (T2DM), and BSSCE might be a promising functional food or medicine for T2DM treatment. PMID- 29220053 TI - The mechanism of reduced IgG/IgE-binding of beta-lactoglobulin by pulsed electric field pretreatment combined with glycation revealed by ECD/FTICR-MS. AB - Bovine beta-lactoglobulin (beta-Lg) is a major allergen existing in milk and causes about 90% of IgE-mediated cow's milk allergies. Previous studies showed that pulsed electric field (PEF) treatment could partially unfold the protein, which may contribute to the improvement of protein glycation. In this study, the effect of PEF pretreatment combined with glycation on the IgG/IgE-binding ability and the structure of beta-Lg was investigated. The result showed that PEF pretreatment combined with glycation significantly reduced the IgG and IgE binding abilities, which was attributed to the changes of secondary and tertiary structure and the increase in glycation sites and degree of substitution per peptide (DSP) value determined by electron capture dissociation Fourier transform ion cyclotron resonance mass spectrometry (ECD/FTICR-MS). Unexpectedly, glycation sites (K47, K91 and K135) added by two mannose molecules were identified in glycated beta-Lg with PEF pretreatment. Moreover, the results indicated that PEF pretreatment at 25 kV cm-1 for 60 MUs promoted the reduction of IgG/IgE-binding capacity by increasing the glycation degree of beta-Lg, whereas single PEF treatment under the same conditions markedly enhanced the IgG/IgE-binding ability by partially unfolding the structure of beta-Lg. The results suggested that ECD/FTICR-MS could help us to understand the mechanism of reduction in the IgG/IgE-binding of beta-Lg by structural characterization at the molecular level. Therefore, PEF pretreatment combined with glycation may provide an alternative method for beta-Lg desensitization. PMID- 29220054 TI - Experimental and theoretical studies on the NLO properties of two quaternary non centrosymmetric chalcogenides: BaAg2GeS4 and BaAg2SnS4. AB - New middle and far-infrared (MFIR) nonlinear optical (NLO) chalcogenides have been receiving increasing attention for their great importance in military and civil fields. In addition, the current challenge in the efforts for identifying a promising MFIR NLO material lies in achieving simultaneously large second harmonic generation (SHG) intensity and high laser-induced damage threshold (LIDT) in the same material. In this study, two quaternary non-centrosymmetric (NCS) sulfides, BaAg2GeS4 (1) and BaAg2SnS4 (2), were synthesized from a high temperature solid-state reaction using BaCl2 flux in evacuated closed silica tubes. Although 1 and 2 show identical stoichiometry, they crystallize in different NCS space groups, tetragonal I4[combining macron]2m (no. 121) and orthorhombic I222 (no. 23), respectively, based on the results of crystal structure solution. In their structures, highly distorted AgS4 tetrahedra interconnect together via corner-sharing to form two-dimensional (2D) layers, which are further bridged with isolated GeS4 or SnS4 units to produce a three dimensional (3D) framework structure with Ba cations lying in the tunnels. Remarkably, they not only possess phase-matchable (PM) abilities but also exhibit a good balance between strong SHG responses (1.7* and 0.4* AgGaS2) and high LIDTs (3.2* and 1.5* AgGaS2). Moreover, theoretical calculations based on density functional theory (DFT) methods have aided the understanding of energy bands, electronic structures, and linear and NLO properties. PMID- 29220055 TI - On-demand acoustic droplet splitting and steering in a disposable microfluidic chip. AB - On-chip droplet splitting is one of the fundamental droplet-based microfluidic unit operations to control droplet volume after production and increase operational capability, flexibility, and throughput. Various droplet splitting methods have been proposed, and among them the acoustic droplet splitting method is promising because of its label-free operation without any physical or thermal damage to droplets. Previous acoustic droplet splitting methods faced several limitations: first, they employed a cross-type acoustofluidic device that precluded multichannel droplet splitting; second, they required irreversible bonding between a piezoelectric substrate and a microfluidic chip, such that the fluidic chip was not replaceable. Here, we present a parallel-type acoustofluidic device with a disposable microfluidic chip to address the limitations of previous acoustic droplet splitting devices. In the proposed device, an acoustic field is applied in the direction opposite to the flow direction to achieve multichannel droplet splitting and steering. A disposable polydimethylsiloxane microfluidic chip is employed in the developed device, thereby removing the need for permanent bonding and improving the flexibility of the droplet microfluidic device. We experimentally demonstrated on-demand acoustic droplet bi-splitting and steering with precise control over the droplet splitting ratio, and we investigated the underlying physical mechanisms of droplet splitting and steering based on Laplace pressure and ray acoustics analyses, respectively. We also demonstrated droplet tri-splitting to prove the feasibility of multichannel droplet splitting. The proposed on-demand acoustic droplet splitting device enables on-chip droplet volume control in various droplet-based microfluidic applications. PMID- 29220056 TI - Structural stability and magnetic-exchange coupling in Mn-doped monolayer/bilayer MoS2. AB - Ferromagnetic (FM) two-dimensional (2D) transition metal dichalcogenides (TMDs) have potential applications in modern electronics and spintronics and doping of TMDs with transition metals can enhance the magnetic characteristics. In this work, the structural stability, electronic states, and magnetic properties of Mn doped monolayer/bilayer MoS2 are studied systematically by first-principles calculations. Substitutional Mn dopants at the Mo sites are energetically favorable in both monolayer and bilayer MoS2 under the S-rich condition which is common in the synthesis of MoS2 nanosheets. Two Mn dopants participate in the FM interaction in monolayer MoS2 and magnetic coupling of two Mn dopants via the double-exchange mechanism can be mediated by the nearest neighboring S. Magnetic coupling can be ascribed to the competition between the double-exchange, direct exchange, and super-exchange interactions, which take place between two Mn dopants in bilayer MoS2 with the MniMnMo, MniMnS and MnMo-MnMo configurations. Our results reveal the geometrical dependence of magnetic-exchange coupling suggesting that Mn-doped monolayer/bilayer MoS2 has large potential in spintronic devices. PMID- 29220057 TI - Combining adhesive contact mechanics with a viscoelastic material model to probe local material properties by AFM. AB - Viscoelastic properties are often measured using probe based techniques such as nanoindentation (NI) and atomic force microscopy (AFM). Rarely, however, are these methods verified. In this article, we present a method that combines contact mechanics with a viscoelastic model (VEM) composed of springs and dashpots. We further show how to use this model to determine viscoelastic properties from creep curves recorded by a probe based technique. We focus on using the standard linear solid model and the generalized Maxwell model of order 2. The method operates in the range of 0.01 Hz to 1 Hz. Our approach is suitable for rough surfaces by providing a defined contact area using plastic pre deformation of the material. The very same procedure is used to evaluate AFM based measurements as well as NI measurements performed on polymer samples made from poly(methyl methacrylate) and polycarbonate. The results of these measurements are then compared to those obtained by tensile creep tests also performed on the same samples. It is found that the tensile test results differ considerably from the results obtained by AFM and NI methods. The similarity between the AFM results and NI results suggests that the proposed method is capable of yielding results comparable to NI but with the advantage of the imaging possibilities of AFM. Furthermore, all three methods allowed a clear distinction between PC and PMMA by means of their respective viscoelastic properties. PMID- 29220058 TI - Revisiting the racemization mechanism of helicenes. AB - Herein we propose a general mechanism for the racemization of [n]helicenes up to n = 24. It is a concerted process for n = 4-7, but a multi-step mechanism is followed for n>= 8, involving 2n- 14 intermediates. The changes in the barriers are a delicate consequence of the steric hindrance and the pi-interactions. PMID- 29220060 TI - Upper limb ischaemia: a South African single-centre experience. AB - OBJECTIVE: The aims of this study were to report on our experience with upper limb ischaemia (ULI), to define the pattern and distribution of disease, describe key demographic features and report on conventional clinical outcomes. METHODS: This was a single-centre, retrospective, descriptive study. All patients (n = 64) who underwent a surgical intervention for ULI over a 12-year study period were included. Findings were analysed and compared with the current literature. RESULTS: A male:female ratio of 0.60 was reported. Two major subgroups of patients were identified. The patients in the thrombo-embolic subgroup (n = 30) were notably younger than expected (mean age 55 years) compared to those in the atherosclerotic occlusive disease subgroup (n = 12, mean age 57 years). Presentation overall was generally late, with 8.6% of acute ULI and 48.3% of chronic ULI patients presenting with irreversible ischaemia and tissue loss, respectively. Thrombo-embolism was the dominant vascular pathology reported in this case series (47%). Ninety-five procedures were performed in 64 patients (89 open, six endovascular). Peri-operative (30-day) mortality rate was 7.8%. Systemic and procedure-related complications were observed in 13 and 23%, respectively. The overall major amputation rate was 10.9%. Adherence to follow up was poor (51% at six months). CONCLUSION: Although few firm conclusions could be drawn, this review has expanded our overall perspective of ULI, specific to the population we serve. Collaboration between African vascular units should be encouraged in an attempt to further define the pattern of ULI by identifying distinct geographical confounders. PMID- 29220059 TI - Fluorescence detection and removal of copper from water using a biobased and biodegradable 2D soft material. AB - We have developed a green and robust fluorogenic (lambdaex = 410 nm, lambdaem = 510 nm) cellulose membrane using graphene oxide (GO) as a construct for simultaneous copper ion recognition and filtration at environmentally relevant levels. The detection limit and removal limit of Cu2+ are 7.3 * 10-7 M and 1000 ppm, respectively. The simplicity and scalability achieved for the detection and removal of metal ions in waste water is particularly noteworthy given the significant problems associated with metal ion pollution of drinking water. PMID- 29220061 TI - Comparison of carotid intima-media thickness and coronary artery calcium score for estimating subclinical atherosclerosis in patients with fatty liver disease. AB - INTRODUCTION: Fatty liver disease (FLD) is correlated with cardiovascular disease. Carotid intima-media thickness (CIMT) and coronary artery calcium score (CACS) can noninvasively identify subclinical atherosclerosis and predict risk for cardiovascular events. This study evaluated CIMT and CACS measurements to detect subclinical atherosclerosis in patients with and without FLD. METHODS: Patients who underwent carotid and abdominal ultrasounds as well as cardiac computed tomography (CT) scans were evaluated retrospectively. The differences between the mean CIMT value and CACS measurements in patients with FLD and those with normal livers were estimated. RESULTS: Among 819 patients (average age of 53.3 +/- 11.2 years), 330 had FLD. The CIMT was greater in patients with FLD compared to the controls (0.79 +/- 0.17 vs 0.76 +/- 0.17 mm, p = 0.012), and carotid plaques were more commonly seen in patients with FLD. The incidence of a composite of larger CIMT ( >= 75th percentile) plus plaque presence was higher in FLD patients (43.3 vs 36.0%, p = 0.041). Particularly among young patients (<= 50), the CIMT was larger in patients with FLD than in the controls. FLD increased the risk of a composite of large CIMT plus plaque presence in young patients (odds ratio 1.92, 95% confidence interval 1.05-3.49, p = 0.034). However, patients with FLD had no greater incidence of CACS of over 100 than the controls. CONCLUSION: CIMT was a better marker of underlying subclinical atherosclerotic risk among patients with FLD than CACS. FLD particularly, increases the risk of subclinical atherosclerosis in patients younger than 50 years of age. These patients should undergo screening CIMT to detect atherosclerosis and modify risk factors. PMID- 29220062 TI - Community-Academic Partnership to Implement a Breast and Cervical Cancer Screening Education Program in Puerto Rico. AB - OBJECTIVE: To describe how a community-academic partnership between Taller Salud Inc., a community-based organization, and the Puerto Rico Community Cancer Control Outreach Program of the University of Puerto Rico was crucial in the adaptation and implementation of Cultivando La Salud (CLS), an evidencebased educational outreach program designed to increase breast and cervical cancer screening among Hispanic women living in Puerto Rico. This collaboration facilitated the review and adaptation of the CLS intervention to improve cultural appropriateness, relevance, and acceptability for Puerto Rican women. METHODS: A total of 25 interviewers and 12 Lay Health Workers (LHWs) were recruited and trained to deliver the program. The interviewers recruited women who were non adherent to recommended screening guidelines for both breast and cervical cancer. LHWs then provided one-on-one education using the adapted CLS materials. RESULTS: A total of 444 women were recruited and 48% of them were educated through this collaborative effort. CONCLUSION: Our main accomplishment was establishing the academic-community partnership to implement the CLS program. Nevertheless, in order to promote better collaborations with our community partners, it is important to carefully delineate and establish clear roles and shared responsibilities for each partner for the successful execution of research activities, taking into consideration the community's needs. PMID- 29220063 TI - Preventive Care Screening in the Puerto Rican Geriatric Population: A Formative Evaluation of Patient Knowledge. AB - OBJECTIVE: This study was meant to be the first step in bridging a gap in the literature concerning Puerto Rican geriatric patients' levels of knowledge concerning 4 preventive care screening tests: mammography, bone densitometry, colonoscopy, and lipid panels. METHODS: Patients 65 years old and older were interviewed at the University of Puerto Rico (UPR), Medical Sciences Campus, primary care clinics. Fisher's exact test was used to assess knowledge status for each screening test. RESULTS: Fifty-three participants, 53% being women, took part in the study. All the women (100%) reported having knowledge about mammography screening as well as about bone densitometry scans (71%); 91% of the participants reported having knowledge concerning colonoscopy. Only 34% understood what information results from a lipid panel. The majority of the participants were not aware of precisely when each of the screening tests under discussion should be undertaken. For all the screenings, level of education and provider recommendation were associated with increased levels of knowledge (though statistically significant only for bone densitometry and lipid panels). CONCLUSION: Elderly Puerto Ricans appear to have knowledge about screening tests; however, there is an overall lack of knowledge about the timing of screening. Risk factors for this lack of knowledge are having a relatively lower level of education, the lack of healthcare-provider recommendation, and the lack of patient education. Understanding when to have tests is vital for interventions, in order to improve patient outcomes, which can include death from treatable conditions or diseases. Future research should include larger samples as well as studies of outcomes associated with these screening tests. These will help researchers and policymakers better understand this issue and aid in the development and implementation of interventions for both patients and physicians. PMID- 29220065 TI - Clinical Profile of Patients with Psychogenic Non-epileptic Seizures in Puerto Rico. AB - OBJECTIVE: Specialized epilepsy clinics receive many cases (20%-30% of total cases) in which the patients are diagnosed with psychogenic non-epileptic seizures (PNES). In Puerto Rico, there has been a lack of research on and data about patients with PNES. This study examined the clinical profile of 34 patients with a confirmed diagnosis of PNES. METHODS: A secondary analysis of 34 clinical records of patients with PNES was conducted. The resulting profile was based on clinical interviews, the behavioral presentation of seizures, the history of traumatic experiences or abuse, and the relationship between PNES events and life stressors. Also, the Beck Depression Inventory-II was used to explore depressive symptoms. RESULTS: Seventy six percent (n = 26) of the patients were female, with an average age of 34.32. All the patients in this sample experienced a PNES episode that was induced in the office through hypnotic imagery. In most cases, seizures consistently manifested PNES semiology: 82% presented unsynchronized and violent limb movements and featured vocalizations, pronounced ictal pelvic thrusting, and sideto-side head movements. Furthermore, 47% of the patients reported histories of trauma related to sexual, physical or emotional abuse. Moreover, 94% stated that most of their convulsions were triggered by stressful life events. Additionally, 50% of the patients presented symptoms of depression. CONCLUSION: The clinical profile of patients with PNES reveals that a considerable number of them presented a history of multiple traumatic experiences and most seizures seemed to be induced by stressful events. It is recommended that additional clinical research be conducted on PNES, with the aim of achieving the effective detection and diagnosis of the disorder, as well as increasing the focus of the healthcare industry on developing evidence-based interventions. PMID- 29220064 TI - Importance of and Satisfaction with Psychosocial Support among Cancer Patients and Survivors in Puerto Rico: Gender, Health Status, and Quality of Life Associations. AB - OBJECTIVE: To assess needs perceptions regarding the importance of and satisfaction with psychosocial support among cancer patients and survivors in Puerto Rico. METHODS: A cross-sectional study was conducted in 181 participants (70 men and 111 women) who were either undergoing cancer treatment (patients) or had completed cancer treatment (survivors). Participants completed a sociodemographic and clinical characteristics questionnaire, and the Psychosocial Needs Inventory (PNI). RESULTS: The participants reported having or having had prostate (36%) or breast (32%) cancer or some other cancer type (32%). Of the 149 participants reporting cancer type, 130 were classified as having a high perceived level of health and quality of life, and 19 were classified as having a low perceived level of health and quality of life. In terms of perceived needs, the highest level of importance were assigned to the Support Network (e.g. family, friends, neighbors, care professionals; M = 2.88, SD = 0.43) and Health Professional (e.g., patient-health professional relationship, etc.; M = 2.80, SD = 0.50) categories, and the Emotional and Spiritual category was given the lowest importance (e.g., help managing negative emotions and spiritual counseling, etc.; M = 2.62, SD = 0.66). These perceptions varied by gender, perceived health status, and date of diagnosis. Women assigned more importance to the Health Professional and Information categories. CONCLUSION: The results reflect the importance of considering psychosocial needs when providing psychosocial support to cancer patients and survivors. These findings are anticipated to inform services provided by psychosocial oncology support programs in Puerto Rico. PMID- 29220066 TI - Periorbital Changes associated with Topical Prostaglandins Analogues in a Hispanic Population. AB - OBJECTIVE: To describe the prevalent side effects of prostaglandin analogues (PA) in a Hispanic population and their effect on quality of life (QOL). PATIENTS AND METHODS: This is a cross-sectional study conducted in a tertiary medical facility in which patients were evaluated in a single visit. Total of 14 participants in the study, 10 women and 4 men. Ages ranged from 26-78 years old. Subjects underwent a single full Oculoplastic evaluation by two physicians; one was blinded on patient medical history and assessed for PA side effects. After evaluation, each study subject was asked to answer a self reported QOL questionnaire. RESULTS: Study participants had used or were currently using Bimatoprost (28.6%), Latanoprost (50%) or Travoprost (21.4%). After evaluate periorbital changes, 2 patients (14.3%) had ptosis, 2 (14.3%) had periorbital skin hyperpigmentation, 11 (78.6%) had periorbital fat show, 11 (78.6%) had eyelash elongation, 1 (7.1%) had injected conjunctiva, 5 (35.7%) had iris hyperpigmentation. 10 (71.4%) noted changes in the size/shape of their eyes. The questionnaire show that 10 (71.4%) disliked how their eyes looked. 9 (62.4%) reported dry eyes, 3 (21.4%) noted increased need to blink, 5 (35.7%) reported foreign body sensation, 7 (50%) reported burning sensation, 2 (14.2%) reported secretions and 3 (21.4%) reported sticky eyes. Mean QOL was 3.50, 2.14, and 2.00 in the Bimatroprost, Latanoprost, and Travoprost users respectively. CONCLUSION: QOL questionnaire showed that Bimatoprost side effects had the most negative impact in QOL, followed by the Latanoprost and Travoprost groups. PMID- 29220068 TI - Assessing the Decrease in the Surgical Population of the University of Puerto Rico-Affiliated Hospitals. AB - OBJECTIVE: To evaluate the magnitude of the decrease in the surgical population of the University of Puerto Rico (UPR)-affiliated hospitals. METHODS: We examined all the surgical cases that were entered into the Surgical Database from January 1, 2013, through December 31, 2015. This database collects patient and procedural information from the surgical services of the UPR-affiliated hospitals. Thus, the number of surgical patients for the 3-year study period was determined and their characteristics recorded. The group was subdivided into 3 subgroups, according to year: 2013, 2014, and 2015. All the variables studied were tabulated for the 3 subgroups and the values compared. The differences between subgroups were evaluated using the chi2 test or ANOVA, whichever was appropriate, with a p-value of less than 0.05 being considered significant. RESULTS: During the 3-year period, the Surgical Database collected information on 14,626 cases. The mean age of the group was 48 (+/-23) years. The gender distribution indicated that 55% of the sample members were women and 45% were men. A 14% decline in the number of surgical cases occurred from 2013 through 2015. The changes were not limited to a decline in numbers; the patients were sicker, as evidenced by a statistically significant (p<0.05) increase in the number of patients who presented with an American Society of Anesthesiologist (ASA) physical status classification of 3 or higher. CONCLUSION: A moderately steady decline in the number of surgical cases at the UPR-affiliated hospitals was noted. We believe multiple factors are responsible for this trend, such as a decreasing population and the current economic and healthcare crises occurring in Puerto Rico. PMID- 29220067 TI - Gene Expression, and Fatigue in Puerto Rican Men during Radiotherapy for Prostate Cancer: an Exploratory Study. AB - OBJECTIVE: To examine the trajectory of fatigue experienced by 26 Puerto Rican (PR) men over the course of External Beam Radiation Therapy (EBRT) and to assess gene expression changes from baseline to midpoint of EBRT using microarray technology. Design/Research Approach- Prospective exploratory and comparative design study. Setting- RT facility located in San Juan, PR. Sample/Participants 26 PR men with non-metastatic prostate cancer. METHODS: Participants completed 2 paper forms: demographics and the Spanish version of the 13-item FACT-fatigue at baseline, midpoint, and end of EBRT. Wholeblood samples were collected at baseline and at midpoint of EBRT. Descriptive data was analyzed using t-test, Wilcoxon, and Friedman test for repeated measures. Gene expression data was analyzed using the LIMMA package in R; the functional network analysis was conducted using Ingenuity Pathway analysis. Main Research Variable-Fatigue scores, gene expression. RESULTS: Subjects were of ages 52-81 with fatigue scores that remained unchanged during EBRT (baseline=42.38, SD=9.34; midpoint=42.11, SD=8.93, endpoint=43.04, SD=8.62). Three hundred seventy-three genes (130-up regulated and 243-down regulated) were differentially expressed from baseline to mid-point of EBRT (FDR<0.01). The top distinct canonical pathways of the differentially expressed probesets (p<0.0001) were: "Phospholipase C Signaling," "Role of NFAT in Regulation of the Immune Response," and "Galphaq Signaling." CONCLUSION: While fatigue did not worsen over the course of EBRT for this sample as a group, there was variability in fatigue across the sample. It is possible that the over expression of the SESN3 gene, known to suppress oxidative damage, may have contributed to the attenuation of fatigue in this clinical population. PMID- 29220069 TI - Traumatic Brain Injury Profile of an Elderly Population in Puerto Rico. AB - OBJECTIVE: Describe the types of traumatic brain injury secondary to falls sustained by the members of an elderly population who received services at the Puerto Rico Medical Center and the demographic profile of that population. METHODS: A group of 332 adults (60 years and over) assessed for traumatic brain injury secondary to falls suffered in 2013 were included in the analysis. The cases were retrieved from the computerized database of the Neurosurgery Section. We analyzed information such as age, gender, type of traumatic brain injury, mechanism of injury, and the performance of surgery (if applicable). Descriptive analysis was performed to derive a general profile of elderly adults who presented with traumatic brain injury secondary to falls. RESULTS: The sample consisted of 332 elderly adults: 73% were men and 27% were women. The mean age was 76.74 (SD=9.95) years: 75.67 (SD=9.78) for men and 79.13 (SD=10.02) for women. The most common traumatic brain injury was subdural hematoma (51%) and the mechanism of injury most prevalent was the groundlevel fall (83%). Other traumatic brain injuries included traumatic subarachnoid hemorrhages (14%), cerebral contusions (18%) and epidural hematomas (3%). Of all the cases, 52% had were managed surgically. CONCLUSION: The elderly population is growing and the risk of falls increases with advancing age. Recurrent falls are an important cause of morbidity, and mortality rates oscillate from 6 to 18%. Elderly patients have longer rehabilitation times, incur more expenses, and have greater levels of disability. This study provides a platform for future epidemiological studies to help develop strategies for the prevention of traumatic brain injury in older adults. PMID- 29220070 TI - Recurrent Hypokalemia leading to Flaccid Quadriparesis: A Renal or Connective Tissue Disorder. AB - Hypokalemic periodic paralysis (hypoKPP) is a clinical entity characterized by recurrent skeletal muscle paralysis due to a decrease in serum potassium levels; hypoKPP can have either a primary (familial) or a secondary cause. One of the secondary causes of hypoKPP is distal renal tubular acidosis (dRTA). Distal renal tubular acidosis (dRTA) is diagnosed when the urinary pH is greater than 5.3 and in the presence of hyperchloremic metabolic acidosis and hypokalemia, with one of the causes being primary Sjogren's syndrome (pSS). PSS can have both glandular and extra glandular manifestations, with dryness of the eyes and mouth being the most common presenting symptoms. DRTA arising from pSS is very unusual, occurring in fewer than 2% of the cases of Sjogren's syndrome (SS). Here, we report on a case of recurrent flaccid quadriparesis that appears to have been caused by distal RTA, resulting in hypokalemia; upon further investigation and clinical evaluation, the patient was diagnosed with pSS. PMID- 29220071 TI - Kommerell's Diverticulum in an Aberrant Right Subclavian Artery: First Case Reported in a Male of Puerto Rican Descent. AB - A Kommerell's diverticulum is a rare embryologic defect of the aortic arch. The majority of the patients having this defect present with dysphagia, dyspnea, and syncope, or a combination of any 2 or all 3. For symptomatic cases, surgical correction is always the standard of care. However, it is somewhat controversial what to do about asymptomatic cases. While surgery is almost always recommended, should asymptomatic patients undergo this procedure or not? Is it worth performing thoracic surgery for an anomaly whose nature is not really understood? In this case report, we describe a Kommerell diverticulum discovered incidentally in a 70-year old asymptomatic male. Surgery was not advisable for this patient; therefore, it was decided to manage him with surveillance. This is the first report in the Englishlanguage medical literature of a Kommerell diverticulum in a man of Puerto Rican descent. A thorough discussion of this rare anomaly follows; multimodality images of it are included at the end of this manuscript. PMID- 29220073 TI - Collective effects of common single nucleotide polymorphisms and genetic risk prediction in type 1 diabetes. AB - Type 1 diabetes (T1D) is a common autoimmune disease and may be related to multiple genetic and environmental risk factors. Previous genetic studies have focused on looking for individual polymorphic risk variants. Here, we studied the overall levels of genetic diversity in T1D patients by making use of a previously published study including 1865 cases and 2828 reference samples with genotyping data for 500 K common single nucleotide polymorphisms (SNPs). We determined the minor allele (MA) status of each SNP in the reference samples and calculated the total number of MAs or minor allele contents (MAC) of each individual. We found the average MAC of cases to be greater than that of the reference samples. By focusing on MAs with strong linkage to cases, we further identified a set of 112 SNPs that could predict 19.19% of cases. These results suggest that overall genetic variation over a threshold level may be a risk factor in T1D and provide a new genetic method for predicting the disorder. PMID- 29220072 TI - Falls Predict Fractures Independently of FRAX Probability: A Meta-Analysis of the Osteoporotic Fractures in Men (MrOS) Study. AB - Although prior falls are a well-established predictor of future fracture, there is currently limited evidence regarding the specific value of falls history in fracture risk assessment relative to that of other clinical risk factors and bone mineral density (BMD) measurement. We therefore investigated, across the three Osteoporotic Fractures in Men (MrOS) Study cohorts, whether past falls predicted future fracture independently of FRAX and whether these associations varied with age and follow-up time. Elderly men were recruited from MrOS Sweden, Hong Kong, and USA. Baseline data included falls history (over the preceding 12 months), clinical risk factors, BMD at femoral neck, and calculated FRAX probabilities. An extension of Poisson regression was used to investigate the associations between falls, FRAX probability, and incident fracture, adjusting for age, time since baseline, and cohort in base models; further models were used to investigate interactions with age and follow-up time. Random-effects meta-analysis was used to synthesize the individual country associations. Information on falls and FRAX probability was available for 4365 men in USA (mean age 73.5 years; mean follow up 10.8 years), 1823 men in Sweden (mean age 75.4 years; mean follow-up 8.7 years), and 1669 men in Hong Kong (mean age 72.4 years; mean follow-up 9.8 years). Rates of past falls were similar at 20%, 16%, and 15%, respectively. Across all cohorts, past falls predicted incident fracture at any site (hazard ratio [HR] = 1.69; 95% confidence interval [CI] 1.49, 1.90), major osteoporotic fracture (MOF) (HR = 1.56; 95% CI 1.33, 1.83), and hip fracture (HR = 1.61; 95% CI 1.27, 2.05). Relationships between past falls and incident fracture remained robust after adjustment for FRAX probability: adjusted HR (95% CI) any fracture: 1.63 (1.45, 1.83); MOF: 1.51 (1.32, 1.73); and hip: 1.54 (1.21, 1.95). In conclusion, past falls predicted incident fracture independently of FRAX probability, confirming the potential value of falls history in fracture risk assessment. (c) 2017 The Authors. Journal of Bone and Mineral Research Published by Wiley Periodicals Inc. PMID- 29220074 TI - Prediction of Protein-Protein Interactions. AB - The authors provide an overview of physical protein-protein interaction prediction, covering the main strategies for predicting interactions, approaches for assessing predictions, and online resources for accessing predictions. This unit focuses on the main advancements in each of these areas over the last decade. The methods and resources that are presented here are not an exhaustive set, but characterize the current state of the field-highlighting key challenges and achievements. (c) 2017 by John Wiley & Sons, Inc. PMID- 29220075 TI - Protein 3D Structure and Electron Microscopy Map Retrieval Using 3D-SURFER2.0 and EM-SURFER. AB - With the rapid growth in the number of solved protein structures stored in the Protein Data Bank (PDB) and the Electron Microscopy Data Bank (EMDB), it is essential to develop tools to perform real-time structure similarity searches against the entire structure database. Since conventional structure alignment methods need to sample different orientations of proteins in the three dimensional space, they are time consuming and unsuitable for rapid, real-time database searches. To this end, we have developed 3D-SURFER and EM-SURFER, which utilize 3D Zernike descriptors (3DZD) to conduct high-throughput protein structure comparison, visualization, and analysis. Taking an atomic structure or an electron microscopy map of a protein or a protein complex as input, the 3DZD of a query protein is computed and compared with the 3DZD of all other proteins in PDB or EMDB. In addition, local geometrical characteristics of a query protein can be analyzed using VisGrid and LIGSITECSC in 3D-SURFER. This article describes how to use 3D-SURFER and EM-SURFER to carry out protein surface shape similarity searches, local geometric feature analysis, and interpretation of the search results. (c) 2017 by John Wiley & Sons, Inc. PMID- 29220076 TI - The HMMER Web Server for Protein Sequence Similarity Search. AB - Protein sequence similarity search is one of the most commonly used bioinformatics methods for identifying evolutionarily related proteins. In general, sequences that are evolutionarily related share some degree of similarity, and sequence-search algorithms use this principle to identify homologs. The requirement for a fast and sensitive sequence search method led to the development of the HMMER software, which in the latest version (v3.1) uses a combination of sophisticated acceleration heuristics and mathematical and computational optimizations to enable the use of profile hidden Markov models (HMMs) for sequence analysis. The HMMER Web server provides a common platform by linking the HMMER algorithms to databases, thereby enabling the search for homologs, as well as providing sequence and functional annotation by linking external databases. This unit describes three basic protocols and two alternate protocols that explain how to use the HMMER Web server using various input formats and user defined parameters. (c) 2017 by John Wiley & Sons, Inc. PMID- 29220077 TI - Using the Arabidopsis Information Resource (TAIR) to Find Information About Arabidopsis Genes. AB - The Arabidopsis Information Resource (TAIR; http://arabidopsis.org) is a comprehensive Web resource of Arabidopsis biology for plant scientists. TAIR curates and integrates information about genes, proteins, gene function, orthologs, gene expression, mutant phenotypes, biological materials such as clones and seed stocks, genetic markers, genetic and physical maps, genome organization, images of mutant plants, protein sub-cellular localizations, publications, and the research community. The various data types are extensively interconnected and can be accessed through a variety of Web-based search and display tools. This unit primarily focuses on some basic methods for searching, browsing, visualizing, and analyzing information about Arabidopsis genes and genome. Additionally, we describe how members of the community can share data using TAIR's Online Annotation Submission Tool (TOAST), in order to make their published research more accessible and visible. (c) 2017 by John Wiley & Sons, Inc. PMID- 29220078 TI - Using the Seven Bridges Cancer Genomics Cloud to Access and Analyze Petabytes of Cancer Data. AB - Next-generation sequencing has produced petabytes of data, but accessing and analyzing these data remain challenging. Traditionally, researchers investigating public datasets like The Cancer Genome Atlas (TCGA) would download the data to a high-performance cluster, which could take several weeks even with a highly optimized network connection. The National Cancer Institute (NCI) initiated the Cancer Genomics Cloud Pilots program to provide researchers with the resources to process data with cloud computational resources. We present protocols using one of these Cloud Pilots, the Seven Bridges Cancer Genomics Cloud (CGC), to find and query public datasets, bring your own data to the CGC, analyze data using standard or custom workflows, and benchmark tools for accuracy with interactive analysis features. These protocols demonstrate that the CGC is a data-analysis ecosystem that fully empowers researchers with a variety of areas of expertise and interests to collaborate in the analysis of petabytes of data. (c) 2017 by John Wiley & Sons, Inc. PMID- 29220079 TI - Hepatitis C virus genotyping of organ donor samples to aid in transplantation of HCV-positive organs. AB - Given the availability of new highly efficacious anti-HCV therapies, some clinicians have advocated for wider use of kidneys from hepatitis C virus positive (HCV+) donors, including transplanting them into HCV-negative recipients. As treatment regimens for HCV are commonly guided by genotype, pretransplant HCV genotyping of tissue donors would be beneficial. To our knowledge, donor HCV genotyping has never been reported. We retrieved archived frozen plasma samples for 17 previous organ donors through a local organ procurement organization. We performed HCV genotyping using the eSensor HCVg Direct Test (GenMark Diagnostics) and also by Sanger sequencing, for confirmation (Retrogen). In addition, viral loads were measured using the COBAS AmpliPrep/TaqMan system (Roche Diagnostics). We found that most of the samples (n = 14) were HCV Genotype 1a with the remainder being Genotype 2b (n = 1) or Genotype 3 (n = 2). All genotyping results were concordant with Sanger sequencing. The average HCV viral load in the sample group was ~ 1.6 million IU/mL (range: ~16 000 IU/mL to 7 million IU/mL). We demonstrate that viral RNA from organ donor plasma can be successfully genotyped for HCV. This ability suggests that transplantation of HCV+ kidneys into HCV-negative recipients, followed by genotype-guided antiviral therapy, could be feasible. PMID- 29220080 TI - High salinity impacts germination of the halophyte Cakile maritima but primes seeds for rapid germination upon stress release. AB - Seed germination recovery aptitude is an adaptive trait of overriding significance for the successful establishment and dispersal of extremophile plants in their native ecosystems. Cakile maritima is an annual halophyte frequent on Mediterranean coasts, which produces transiently dormant seeds under high salinity, that germinate fast when soil salinity is lowered by rainfall. Here, we report ecophysiological and proteomic data about (1) the effect of high salt (200 mM NaCl) on the early developmental stages (germination and seedling) and (2) the seed germination recovery capacity of this species. Upon salt exposure, seed germination was severely inhibited and delayed and seedling length was restricted. Interestingly, non-germinated seeds remained viable, showing high germination percentage and faster germination than the control seeds after their transfer onto distilled water. The plant phenotypic plasticity during germination was better highlighted by the proteomic data. Salt exposure triggered (1) a marked slower degradation of seed storage reserves and (2) a significant lower abundance of proteins involved in several biological processes (primary metabolism, energy, stress-response, folding and stability). Yet, these proteins showed strong increased abundance early after stress release, thereby sustaining the faster seed storage proteins mobilization under recovery conditions compared to the control. Overall, as part of the plant survival strategy, C. maritima seems to avoid germination and establishment under high salinity. However, this harsh condition may have a priming-like effect, boosting seed germination and vigor under post-stress conditions, sustained by active metabolic machinery. PMID- 29220081 TI - Comment on "Longitudinal transvaginal ultrasound evaluation of cesarean scar niche incidence and depth in the first two years after single- or double-layer uterotomy closure: a randomized controlled trial". PMID- 29220082 TI - Benefits of multimodal enhanced recovery pathway in patients undergoing kidney transplantation. AB - BACKGROUND: Use of enhanced recovery after surgery (ERAS) pathways to accelerate functional recovery and reduce length of stay (LOS) has rarely been investigated in kidney transplantation (KTX). MATERIALS AND METHODS: Consecutive adult isolated KTXs between July 2015 and July 2016 (ERAS, n = 139) were compared with a historical cohort between January 2014 and July 2015 (HISTORIC, n = 95). RESULTS: Enhanced recovery after surgery recipients were significantly more likely to receive kidneys that were non-local (56.1% vs 4.2%), higher Kidney Donor Profile Index (36-85, 58.4% vs 45.2%; >85, 15.2% vs 10.7%), cold ischemia time >=30 h (62.4% vs 4.7%), induced with antithymocyte globulin (97.1% vs 87.4%), and to develop delayed graft function (46.4% vs 25.0%). LOS was shorter by 1 day among ERAS (mean 4.59) compared to HISTORIC patients (mean 5.65) predominantly due to a shift in discharges within 3 days (32.4% vs 4.2%); 30-day readmission to the hospital (27.3% vs 27.4%) or emergency room visit (9.4% vs 7.4%) was similar. There was one 30-day death in the ERAS group and none in the HISTORIC group. Return to bowel function and early meal consumption were significantly associated with ERAS, however, with somewhat higher diarrhea and emesis rates. CONCLUSION: ERAS following KTX correlated with lower LOS without change in readmissions or ER visits despite higher delayed graft function rates. PMID- 29220085 TI - Managing Large, Transdisciplinary Projects. PMID- 29220086 TI - Zinc against advanced glycation end products. AB - Advanced glycation end products (AGEs) are destructive compounds with pathogenic importance in age-related chronic diseases. Zinc has antioxidant, anti inflammatory and anti-apoptotic potential. This study aimed to summarize effects of zinc on AGE formation and AGE-induced damaging agents. Pubmed, Google scholar, Web of Sciences, and Scopus databases were searched. There was no limitation for publication date. English language original articles (in vitro, experimental and human studies) which examined the effect of external zinc on AGE formation, AGE induced apoptosis, or oxidative stress in mammals were included. To review the effect of zinc on AGE generation, the search keywords were as follows: "zinc" in title and "AGEs" or "methylglyoxal" or "pentosidine" or "carboxymethyllysine" or "glucosylation" or "carbonyl stress" or "AGEs-induced apoptosis or oxidative stress or inflammation" in title/abstract. In total, 90 titles and abstracts were identified. Fifty-two studies were screened after duplicates were removed. Six articles were chosen for review following analysis of both titles and summaries. Finally, based on intensive critical appraisal, 5 articles were included in the study. The evidence presented indicates that zinc has anti-glycation, anti oxidative and anti-apoptotic effects. Zinc insufficiency may stimulate AGEs formation. Whereas, zinc supplementation could inhibit formation of AGEs, AGE induced cell apoptosis and oxidative stress status, and protein carbonyl formation possibly through various signalling pathways. PMID- 29220087 TI - Dual-energy-based metal segmentation for metal artifact reduction in dental computed tomography. AB - PURPOSE: In a dental CT scan, the presence of dental fillings or dental implants generates severe metal artifacts that often compromise readability of the CT images. Many metal artifact reduction (MAR) techniques have been introduced, but dental CT scans still suffer from severe metal artifacts particularly when multiple dental fillings or implants exist around the region of interest. The high attenuation coefficient of teeth often causes erroneous metal segmentation, compromising the MAR performance. We propose a metal segmentation method for a dental CT that is based on dual-energy imaging with a narrow energy gap. METHODS: Unlike a conventional dual-energy CT, we acquire two projection data sets at two close tube voltages (80 and 90 kVp ), and then, we compute the difference image between the two projection images with an optimized weighting factor so as to maximize the contrast of the metal regions. We reconstruct CT images from the weighted difference image to identify the metal region with global thresholding. We forward project the identified metal region to designate metal trace on the projection image. We substitute the pixel values on the metal trace with the ones computed by the region filling method. The region filling in the metal trace removes high-intensity data made by the metallic objects from the projection image. We reconstruct final CT images from the region-filled projection image with the fusion-based approach. We have done imaging experiments on a dental phantom and a human skull phantom using a lab-built micro-CT and a commercial dental CT system. RESULTS: We have corrected the projection images of a dental phantom and a human skull phantom using the single-energy and dual-energy-based metal segmentation methods. The single-energy-based method often failed in correcting the metal artifacts on the slices on which tooth enamel exists. The dual-energy-based method showed better MAR performances in all cases regardless of the presence of tooth enamel on the slice of interest. We have compared the MAR performances between both methods in terms of the relative error (REL), the sum of squared difference (SSD) and the normalized absolute difference (NAD). For the dental phantom images corrected by the single-energy-based method, the metric values were 95.3%, 94.5%, and 90.6%, respectively, while they were 90.1%, 90.05%, and 86.4%, respectively, for the images corrected by the dual-energy-based method. For the human skull phantom images, the metric values were improved from 95.6%, 91.5%, and 89.6%, respectively, to 88.2%, 82.5%, and 81.3%, respectively. CONCLUSIONS: The proposed dual-energy-based method has shown better performance in metal segmentation leading to better MAR performance in dental imaging. We expect the proposed metal segmentation method can be used to improve the MAR performance of existing MAR techniques that have metal segmentation steps in their correction procedures. PMID- 29220088 TI - Multi-walled carbon nanotubes applied through seed-priming influence early germination, root hair, growth and yield of bread wheat (Triticum aestivum L.). AB - BACKGROUND: Reports of multi-walled carbon nanotubes (MWCNTs) incorporated into plants have indicated better yield and productivity, yet the phenomena need in depth understanding especially when agricultural crops are tested. We primed wheat seeds with MWCNTs to understand the effects on germination, growth, anatomy, physiology and yield. RESULT: This study, carried out in field conditions, is a step forward over the previous reports. Early germination, excessive root hair, denser stomata and larger root length result in faster growth and higher yield of wheat plants. Denser root hair facilitated the uptake of both water and essential minerals such as phosphorus (P) and potassium (K), which boosted the crop yield by significantly improving grain yield per plant from 1.53 to 2.5 g, a 63% increase. Increase in cell elongation by 80% was recorded, while xylem and phloem sizes dilated to almost 83% and 85% of control, thus enhancing their capacity to conduct water and nutrients. CONCLUSION: Augmented growth of MWCNT-primed wheat, enhancement in grain number, biomass, stomatal density, xylem-phloem size, epidermal cells, and water uptake is observed while finding no DNA damage. This opens up an entirely new aspect to using cost-effective nanomaterials (the MWCNTs were produced in-house) for enhancing the performance of crop plants. (c) 2017 Society of Chemical Industry. PMID- 29220089 TI - Potato plants (Solanum tuberosum L.) are chloride-sensitive: Is this dogma valid? AB - BACKGROUND: Chloride sensitivity of the potato (Solanum tuberosum L.) cultivars Marabel and Desiree was investigated in two pot experiments (soil/sand mixture and hydroponics). It was tested whether there are differential effects of KCl and K2 SO4 application on tuber yield and tuber quality, and whether both potato cultivars differ in their chloride sensitivity. RESULTS: Tuber yield, dry matter percentage of the tubers, starch concentration and starch yield were not significantly affected by potassium source (K2 SO4 or KCl). After exposure to salt stress in hydroponics (100 mmol L-1 NaCl, 50 mmol L-1 Na2 SO4 , 50 mmol L-1 CaCl2 ) for 5 days, 3-week-old potato plants had significantly reduced shoot dry mass after NaCl and Na2 SO4 application. However, CaCl2 treatment did not significantly affect shoot growth, although the chloride concentration reached 65 to 74 mg Cl- mg-1 dry matter, similar to the NaCl treatment. In contrast, growth reductions were closely related to sodium concentrations, thus plants suffered sodium toxicity and not chloride toxicity. CONCLUSION: Both potato cultivars are chloride-resistant and can be fertilised with KCl instead of K2 SO4 without the risk of depression in tuber yield or tuber quality. The statement that potatoes are chloride-sensitive and that chloride has negative effects on yield performance needs reconsideration. (c) 2017 Society of Chemical Industry. PMID- 29220090 TI - Mesophyll conductance in Zea mays responds transiently to CO2 availability: implications for transpiration efficiency in C4 crops. AB - Mesophyll conductance (gm ) describes the movement of CO2 from the intercellular air spaces below the stomata to the site of initial carboxylation in the mesophyll. In contrast with C3 -gm , little is currently known about the intraspecific variation in C4 -gm or its responsiveness to environmental stimuli. To address these questions, gm was measured on five maize (Zea mays) lines in response to CO2 , employing three different estimates of gm . Each of the methods indicated a significant response of gm to CO2 . Estimates of gm were similar between methods at ambient and higher CO2 , but diverged significantly at low partial pressures of CO2 . These differences are probably driven by incomplete chemical and isotopic equilibrium between CO2 and bicarbonate under these conditions. Carbonic anhydrase and phosphoenolpyruvate carboxylase in vitro activity varied significantly despite similar values of gm and leaf anatomical traits. These results provide strong support for a CO2 response of gm in Z. mays, and indicate that gm in maize is probably driven by anatomical constraints rather than by biochemical limitations. The CO2 response of gm indicates a potential role for facilitated diffusion in C4 -gm . These results also suggest that water use efficiency could be enhanced in C4 species by targeting gm . PMID- 29220091 TI - John Walker-Smith: the father of European paediatric gastroenterology. PMID- 29220092 TI - Dose rectification of an imbalance between DPP4 and GLP-1 ameliorates chronic stress-related vascular aging and atherosclerosis? AB - Exposure to psychosocial stress is a risk factor for cardiovascular disease, including vascular aging and regeneration. Dipeptidyl peptidase-4 (DPP-4) exerts many physiological and pharmacological functions by regulating its extremely abundant substrates [eg., glucagon-like peptide-1 (GLP-1), stromal cell-derived factor-1alpha/C-X-C chemokine receptor type-4, etc.]. Over the past decade, emerging data has revealed unexpected roles for DPP-4 and GLP-1 in intracellular signaling, oxidative stress production, lipid metabolism, cell apoptosis, immune activation, insulin resistance, and inflammation. This mini review focuses on recent findings in this field, highlighting an imbalance between DPP4 and GLP-1 as a potential therapeutic target in the management of vascular aging and atherosclerosis in animals under experimental stress conditions. PMID- 29220093 TI - Separate product from process: framing the debate that surrounds the potential uptake of new breeding technologies. PMID- 29220095 TI - Digital image analysis of Ki67 in hot spots is superior to both manual Ki67 and mitotic counts in breast cancer. AB - AIMS: During pathological examination of breast tumours, proliferative activity is routinely evaluated by a count of mitoses. Adding immunohistochemical stains of Ki67 provides extra prognostic and predictive information. However, the currently used methods for these evaluations suffer from imperfect reproducibility. It is still unclear whether analysis of Ki67 should be performed in hot spots, in the tumour periphery, or as an average of the whole tumour section. The aim of this study was to compare the clinical relevance of mitoses, Ki67 and phosphohistone H3 in two cohorts of primary breast cancer specimens (total n = 294). METHODS AND RESULTS: Both manual and digital image analysis scores were evaluated for sensitivity and specificity for luminal B versus A subtype as defined by PAM50 gene expression assays, for high versus low transcriptomic grade, for axillary lymph node status, and for prognostic value in terms of prediction of overall and relapse-free survival. Digital image analysis of Ki67 outperformed the other markers, especially in hot spots. Tumours with high Ki67 expression and high numbers of phosphohistone H3-positive cells had significantly increased hazard ratios for all-cause mortality within 10 years from diagnosis. Replacing manual mitotic counts with digital image analysis of Ki67 in hot spots increased the differences in overall survival between the highest and lowest histological grades, and added significant prognostic information. CONCLUSIONS: Digital image analysis of Ki67 in hot spots is the marker of choice for routine analysis of proliferation in breast cancer. PMID- 29220094 TI - Osteocytes play an important role in experimental periodontitis in healthy and diabetic mice through expression of RANKL. AB - AIM: Periodontitis results from bacteria-induced inflammation. A key cytokine, RANKL, is produced by a number of cell types. The cellular source of RANKL critical for periodontitis has not been established. METHODS: We induced periodontal bone loss by oral inoculation of Porphyromonas gingivalis and Fusobacterium nucleatum in both normoglycaemic and streptozotocin-induced type 1 diabetic mice. Experimental transgenic mice had osteocyte-specific deletion of floxed receptor activator of nuclear factor kappa-B ligand (RANKL) mediated by DMP-1-driven Cre recombinase. Outcomes were assessed by micro-CT, histomorphometric analysis, immunofluorescent analysis of RANKL and tartrate resistant acid phosphatase staining for osteoclasts and osteoclast activity. RESULTS: Oral infection stimulated RANKL expression in osteocytes of wild-type mice, which was increased by diabetes and blocked in transgenic mice. Infected wild-type mice had significant bone loss and increased osteoclast numbers and activity, which were further enhanced by diabetes. No bone loss or increase in osteoclastogenesis or activity was detected in transgenic mice with RANKL deletion in osteocytes that were normoglycaemic or diabetic. CONCLUSIONS: This study demonstrates for the first time the essential role of osteocytes in bacteria-induced periodontal bone loss and in diabetes-enhanced periodontitis. PMID- 29220096 TI - Hepatic progenitor cells in metastatic liver carcinomas. AB - AIMS: Hepatic progenitor cells (HPCs) are activated in various liver diseases, but their role in the carcinomatous environment remains unknown. We aimed to identify the possible presence and topography of HPCs in liver metastases. METHODS AND RESULTS: We examined 14 liver resection specimens for colorectal adenocarcinoma (n = 13) and anal squamous cell carcinoma (n = 1) metastases. Immunohistochemical markers of colonic origin (keratin 20 and CDX2) and squamous cell origin (p63), HPC [keratin 19 (K19) and CD56] and stem cell (CD44) markers, and the biliary marker keratin 7 (K7), which may also highlight HPCs, were applied on routinely processed tissue sections. Double immunohistochemistry/immunofluorescence (K7/CDX2) and confocal microscopy were used on selected sections. K7-positive, Kappa19-positive and CD56-positive ductular structures were encountered within the metastatic tumour (tumour interior and periphery), and in the immediate peritumoral area. Hybrid structures composed of HPCs and metastatic adenocarcinoma cells were recognised and confirmed by double immunostaining (K7/CDX2). Carcinoma cells were also observed singly or in groups within the epithelium of interlobular bile ducts and/or ductules in portal tracts without evidence of carcinomatous infiltration and at a distance from the metastatic foci. CONCLUSIONS: HPCs are observed at the periphery and in the interior of liver metastatic carcinomas. Bile ductules and small interlobular bile ducts may attract carcinoma cells serving as a potential 'metastatic niche', in line with their recognised role as HPC niches in non neoplastic liver. PMID- 29220098 TI - Trace analysis in water-alcohol mixtures by continuous p-H2 hyperpolarization at high magnetic field. AB - Nuclear magnetic resonance (NMR) studies of complex mixtures are often limited by the low sensitivity of the technique and by spectral overlap. We have recently reported on an NMR chemosensor on the basis of para-Hydrogen Induced Polarization that potentially addresses both these issues, albeit for specific classes of compounds. This approach makes use of Signal Amplification By Reversible Exchange (SABRE) catalysts in methanol and allows selective detection and quantification of dilute analytes in complex mixtures. Herein, we demonstrate that, despite a large decrease in attained hyperpolarization, this method can be extended to water-alcohol mixtures. Our approach was tested on whisky, where nitrogenous heterocyclic flavor components at low-micromolar concentration could be detected and quantified. PMID- 29220097 TI - Invasive mucinous carcinoma of the breast and response patterns after neoadjuvant chemotherapy (NAC). AB - AIMS: Neoadjuvant chemotherapy (NAC) is often used to treat localised invasive breast cancer. Invasive mucinous carcinoma (IMC) is considered to be an indolent form of invasive breast cancer, and is rarely treated with NAC. We report the largest series of IMCs treated with NAC, and report a characteristic, but not well recognised, pattern of pathological response. METHODS AND RESULTS: Our series included seven patients with IMC treated with NAC. Three patients presented with locally advanced disease, three patients had tumours that were HER 2/neu-positive, and four patients had tumours with admixed mucinous and micropapillary features. Clinical and imaging assessment of response showed persistent and, in some cases, progressive disease, despite evidence of significant pathological response in these cases. Pathological assessment after NAC demonstrated marked reduction in tumour cellularity, but persistent space occupying mucin pools, showing acellular mucin in one case, <1% tumour cellularity in three cases, and 5-10% cellularity in three cases in both the treated breast and axillary lymph nodes. CONCLUSIONS: Persistent mass-forming low cellular or acellular mucin pools can result in discordant clinical, imaging and pathological findings in IMC treated with NAC. PMID- 29220099 TI - Supportive palliative care should be integrated into routine care for paediatric patients with life-limiting kidney disease. AB - : Paediatric palliative care is no longer restricted to patients with cancer and has been extended to patients with other chronic conditions, such as cystic fibrosis or neuromuscular disorders. This review focused on the current state of palliative care for children and adolescents with chronic kidney disease (CKD). We assessed the literature on CKD published up to August 2017. All the papers, except one from 1996, were published this century. This review discusses the role that palliative care plays in the process of decision-making and explores the possibilities of implementing palliative care into the routine therapy of affected patients and providing support for their families. Offering early palliative care as an integral part of the kidney, supportive care provided by the nephrology care team is both necessary and feasible for patients with CKD. As a minimum, a specialised palliative care team should be involved in patients with multiple comorbidities, in conservative treatment scenarios and in acute life threatening complications. Further studies and guidelines are required to improve the care of patients with CKD and their families. CONCLUSION: Supportive palliative care should be implemented into the routine care of patients with life limiting kidney disease. PMID- 29220101 TI - Report of AAPM Task Group 162: Software for planar image quality metrology. AB - PURPOSE: The AAPM Task Group 162 aimed to provide a standardized approach for the assessment of image quality in planar imaging systems. This report offers a description of the approach as well as the details of the resultant software bundle to measure detective quantum efficiency (DQE) as well as its basis components and derivatives. METHODS: The methodology and the associated software include the characterization of the noise power spectrum (NPS) from planar images acquired under specific acquisition conditions, modulation transfer function (MTF) using an edge test object, the DQE, and effective DQE (eDQE). First, a methodological framework is provided to highlight the theoretical basis of the work. Then, a step-by-step guide is included to assist in proper execution of each component of the code. Lastly, an evaluation of the method is included to validate its accuracy against model-based and experimental data. RESULTS: The code was built using a Macintosh OSX operating system. The software package contains all the source codes to permit an experienced user to build the suite on a Linux or other *nix type system. The package further includes manuals and sample images and scripts to demonstrate use of the software for new users. The results of the code are in close alignment with theoretical expectations and published results of experimental data. CONCLUSIONS: The methodology and the software package offered in AAPM TG162 can be used as baseline for characterization of inherent image quality attributes of planar imaging systems. PMID- 29220102 TI - Identification of a 62-kDa major allergen from Artemisia pollen as a putative galactose oxidase. AB - BACKGROUND: Around 20 years ago, a 60- to 70-kDa protein was reported as a major allergen of mugwort (Artemisia vulgaris) pollen. This study was to identify and characterize its molecular properties. METHODS: Sera from 113 Chinese and 20 Dutch Artemisia-allergic/sensitized subjects (and pools thereof) were used to identify the 60- to 70-kDa allergen. Pollen extracts of seven Artemisia species were compared by immunoblotting. Transcriptomics and proteomics (mass spectrometry) of A. annua pollen were used to identify the putative 60- to 70-kDa Artemisia allergen. Both the natural purified and recombinant allergens were evaluated for IgE reactivity by ImmunoCAP. Fourteen Chinese Artemisia-allergic patients were tested intradermally with purified natural allergen. RESULTS: Immunoblots revealed two major bands at 12 and 25 kDa, and a weak band at 70 kDa for all seven Artemisia species. Using a combined transcriptomic and proteomic approach, the high molecular mass allergen in A. annua pollen was shown to be a 62-kDa putative galactose oxidase, with a putative N-glycosylation site. More than 94% of Artemisia pollen-allergic patients had IgE response to this allergen. Although recognition of a nonglycosylated recombinant version was only confirmed in a minority (16%) and at much lower IgE levels, this discrepancy cannot be explained simply by reactivity to the carbohydrate moiety on the natural allergen. Intradermal testing with the natural allergen was positive in five of nine sensitized patients. CONCLUSIONS: The previously reported 60- to 70-kDa allergen of Artemisia pollen is most likely a 62-kDa putative galactose oxidase here designated Art an 7. PMID- 29220103 TI - Survival study of treatment adherence by patients given oral oxibutynin for hyperhidrosis. AB - INTRODUCTION: In recent years, increasing use has been made of oral anticholinergics such as oxybutynin for the management of hyperhidrosis. The primary aim of this study is to determine the variables associated with adherence to this treatment, and secondarily to obtain data on its effectiveness, safety and adverse effects. MATERIAL AND METHODS: This is a prospective study of patients with hyperhidrosis, at any location, receiving treatment with oral oxybutynin in the period 2007-2016. Epidemiological variables, treatment details, effectiveness and adverse effects were recorded. Effectiveness was determined according to the Hyperhidrosis Disease Severity Scale (HDSS) at baseline, at 3 and 12 months and in successive visits. A descriptive analysis was performed, and Cox's bivariate and multivariate regressions were calculated to determine the variables associated with treatment adherence. RESULTS: A total of 201 patients (140 women) with a mean age of 34 years were included. The mean initial HDSS score was 3.8, and the median follow-up period was 29 months. At 3 months, 84.57% of the patients had responded to treatment (excellent response: 72.94%), but adverse effects were reported by 68.2%. At 12 months, 54.23% had responded (excellent response: 79.82%), with adverse effects in 75.2%. The main variable associated with greater adherence was affected areas: palms of the hands and soles of the feet. The following variables were associated with poorer adherence: onset of hyperhidrosis in adolescence, failure to provide an incrementally increasing, individualized dose, initial HDSS score of 3 and partial initial response. The multivariate analysis confirmed the association between the onset of hyperhidrosis during adolescence, the failure to provide a progressively increasing dose and palmar affectation. DISCUSSION: This study was conducted to identify the variables associated with adherence to treatment by hyperhidrosis patients treated with oral oxybutynin. This information would facilitate selection of patients for this treatment and enhance our understanding of the biological behaviour of such anticholinergics when used to treat hyperhidrosis. PMID- 29220104 TI - Pitfalls in graft survival analysis. AB - The reliability of a scientific work depends on the accuracy of the analysis. Scientific publications in the field of kidney transplantation still contain methodical errors that may lead to wrong conclusions and result in severe consequences for the patients. Using the data from the Collaborative Transplant Study, we are presenting in this study six examples of the erroneous usage of statistical methods and show how these mistakes can be avoided. PMID- 29220107 TI - Eating out with a food allergy in the UK: Change in the eating out practices of consumers with food allergy following introduction of allergen information legislation. AB - BACKGROUND: Strict allergen avoidance is important in day-to-day management of food allergy and avoidance when eating outside the home can present particular difficulties. EU legislation (EU FIC) introduced in December 2014 aimed to improve food allergen information provision for customers by requiring retailers of non-prepacked foods to provide information related to the content of one or more of 14 specified food allergens within their foods. OBJECTIVES: To investigate the impact of EU FIC on the behaviours, experiences and attitudes of consumers with food allergy when eating out. METHODS: As part of longitudinal research, participants with food allergy from across the UK took part in either (A) pre and post legislation in-depth interviews, or (B) pre and post legislation surveys. In-depth interviews were carried out with 28 participants pre and post legislation and analysed using the framework approach. Self-report surveys were completed by 129 participants pre and post legislation, and responses were subject to quantitative analyses. RESULTS: Improvements in allergen information provision and raised awareness of food allergy in eating out venues were reported following introduction of EU FIC. Whilst participants favoured written allergen information, they expressed greater confidence in communicating with eating out staff and in trusting the allergen information that they provided. Improvements were judged to be gradual, sporadic or inconsistent in implementation. CONCLUSION & CLINICAL RELEVANCE: For many participants, the "ideal" eating out experience was one in which a range of information resources were available and where written allergen information was complemented by proactive and accommodating staff within an allergy-aware environment. Whilst the onus is on legislators and food providers to ensure that adequate allergen information is provided, clinicians play an important role in encouraging patients with food allergy to pursue their legal right to make allergen enquiries to avoid accidental allergen ingestion when eating out. PMID- 29220105 TI - Less fibrosis in elderly subjects supplemented with selenium and coenzyme Q10-A mechanism behind reduced cardiovascular mortality? AB - BACKGROUND: In an intervention study where 221 healthy elderly persons received selenium and coenzyme Q10 as a dietary supplement, and 222 received placebo for 4 years we observed improved cardiac function and reduced cardiovascular mortality. As fibrosis is central in the aging process, we investigated the effect of the intervention on biomarkers of fibrogenic activity in a subanalysis of this intervention study. MATERIAL AND METHODS: In the present subanalysis 122 actively treated individuals and 101 controls, the effect of the treatment on eight biomarkers of fibrogenic activity were assessed. These biomarkers were: Cathepsin S, Endostatin, Galectin 3, Growth Differentiation Factor-15 (GDF-15), Matrix Metalloproteinases 1 and 9, Tissue Inhibitor of Metalloproteinases 1 (TIMP 1) and Suppression of Tumorigenicity 2 (ST-2). Blood concentrations of these biomarkers after 6 and 42 months were analyzed by the use of T-tests, repeated measures of variance, and factor analyses. RESULTS: Compared with placebo, in those receiving supplementation with selenium and coenzyme Q10, all biomarkers except ST2 showed significant decreased concentrations in blood. The changes in concentrations, that is, effects sizes as given by partial eta2 caused by the intervention were considered small to medium. CONCLUSION: The significantly decreased biomarker concentrations in those on active treatment with selenium and coenzyme Q10 compared with those on placebo after 36 months of intervention presumably reflect less fibrogenic activity as a result of the intervention. These observations might indicate that reduced fibrosis precedes the reported improvement in cardiac function, thereby explaining some of the positive clinical effects caused by the intervention. (c) 2017 BioFactors, 44(2):137-147, 2018. PMID- 29220106 TI - Chemoprevention by resveratrol and pterostilbene: Targeting on epigenetic regulation. AB - Epigenetic mechanisms are essential in regulating normal cellular functions and play an important role during the disease developmental stages. However, aberrant epigenetic mechanisms may lead to pathological consequences such as cancer, neurological disorders, bone and skeletal diseases, cardiovascular dysfunction, and metabolic syndrome. The molecular mechanisms of epigenetic modification include DNA methylation, histone modification (acetylation, methylation and phosphorylation), and microRNAs (miRNAs). Unlike genetic modifications, epigenetic states of genes are reversible and can be altered by certain intrinsic and extrinsic factors. In the past few decades, accumulated evidence shows that dietary phytochemicals with chemopreventive effects are also potent epigenetic regulators. Resveratrol and pterostilbene are stilbenoids, which have been reported to have anti-cancer, anti-inflammatory, anti-lipid, and anti-diabetic properties. Stilbenoids are also reported to improve cardiovascular disease. By altering DNA methylation and histone modification or by modulating miRNA expression, resveratrol, and pterostilbene become potent epigenetic modifiers. In this review, we summarize these studies and underlying mechanisms of resveratrol and pterostilbene and their influence on epigenetic mechanisms. (c) 2017 BioFactors, 44(1):26-35, 2018. PMID- 29220108 TI - Photocatalytic Aerobic Phosphatation of Alkenes. AB - A catalytic regime for the direct phosphatation of simple, non-polarized alkenes has been devised that is based on using ordinary, non-activated phosphoric acid diesters as the phosphate source and O2 as the terminal oxidant. The title method enables the direct and highly economic construction of a diverse range of allylic phosphate esters. From a conceptual viewpoint, the aerobic phosphatation is entirely complementary to traditional methods for phosphate ester formation, which predominantly rely on the use of prefunctionalized or preactivated reactants, such as alcohols and phosphoryl halides. The title transformation is enabled by the interplay of a photoredox and a selenium pi-acid catalyst and involves a sequence of single-electron-transfer processes. PMID- 29220109 TI - Population transcriptomics in Daphnia: The role of thermal selection. AB - The complex interplay of forces influencing genetic divergence among populations complicates the discovery of the genetic basis underlying local adaptation. Here, we utilized for the first time a combined reverse ecology and population transcriptomic approach to assess the contribution of thermal selection to population differentiation, thereby considering transcriptome-wide variation in both gene expression profiles and DNA sequences. We compared transcriptomes among four Daphnia galeata populations and identified transcripts potentially responding to local thermal selection based on an extensive literature search for candidate genes possibly under thermal selection in arthropods. Over representation of temperature-relevant candidate genes among transcripts strongly contributing to sequence divergence among two populations indicates that local thermal selection acted on the coding sequence level. We identified a large number of transcripts, which may contribute to local thermal adaptation based on outlier tests and distinctive expression profiles. However, among these, temperature-relevant candidate genes were not over-represented compared to the global gene set, suggesting that thermal selection played a minor role in divergence among Daphnia populations. Interestingly, although the majority of genes contributing strongly to sequence divergence did not contribute strongly to divergence at the expression level and vice versa, the affected gene functions were largely consistent between the two data sets. This suggests that genetic and regulatory variation constitutes alternative routes for responses to natural selection. Our combined utilization of a population transcriptomics approach and literature-based identification of ecologically informative candidate genes represents a useful and powerful methodology with a wide range of applications in evolutionary biology. PMID- 29220110 TI - Nonresponsiveness and Susceptibility of Opioid Side Effects Related to Cancer Patients' Clinical Characteristics: A Post-Hoc Analysis. AB - BACKGROUND: The response to opioids is not always positive in cancer patients. A considerable proportion of patients do not respond (nonresponders [NRs]) or experience severe toxicity. The aim of this analysis was to assess the role of demographic characteristics, pain features, comorbidities, and ongoing therapy on the lack of efficacy and on the occurrence of severe adverse drug reactions (ADRs). METHODS: This is a post-hoc analysis of a randomized controlled trial that involved 520 patients and aimed to evaluate the efficacy and safety of 4 strong opioids. Patients who presented with unchanged or worsened pain compared to the first visit were considered to be NRs. As for toxicity, severe ADRs with an incidence of greater than 10% were evaluated. Univariate and multivariate logistic models were used. RESULTS: 498 patients were analyzed. Liver metastases and breakthrough pain (BTP) were found to increase the risk for nonresponse. Conversely, a high basal pain intensity significantly decreased the same risk. Constipation risk was worsened by previous weak opioid therapy but decreased with aging and with the use of transdermal opioids. Risk for drowsiness was aggravated by bone metastases and concomitant treatment with anticoagulant, antidiabetic, and central nervous system drugs. Risk for confusion increased with antidiabetics, antibiotics, and previous weak opioid therapy but decreased when fentanyl was used. Occurrence of nausea increased in patients with a high rating on the Karnofsky Performance Status Index. Risk for xerostomia was higher in women and in patients treated with antidiabetic or long-term opioids. CONCLUSIONS: Several clinical variables are correlated with opioid response in cancer patients. In particular, the presence of BTP is associated with nonresponse. Additionally, patients who receive polypharmacological therapy are more likely to experience opioid adverse events. PMID- 29220111 TI - Phosphoenolpyruvate Transporter Enables Targeted Perturbation During Metabolic Analysis of L-Phenylalanine Production With Escherichia coli. AB - Usually perturbation of the metabolism of cells by addition of substrates is applied for metabolic analysis of production organisms, but perturbation studies are restricted to the endogenous substrates of the cells under study. The goal of this study is to overcome this limitation by making phosphoenolpyruvate (PEP) available for perturbation studies with Escherichia coli producing L phenylalanine. A production strain overexpressing a PEP-transporter variant (UhpT D388C) is applied in a standardized fed-batch production-process on a 42 L-scale. Four parallel short-term perturbation experiments of 20 min are performed with glucose and glycerol as fed-batch carbon sources after rapid media transition of cells from the production-process. PEP is added after 9 min and is immediately consumed by the cells with up to 1.5 mmol gCDW-1 h-1 . L-phenylalanine production rates increased by up to 200% after addition of PEP. This clearly indicates an intracellular PEP-limitation in the L-phenylalanine production strain under study. Thus, it is shown that overexpressing specific transporters for analytical reasons makes exogenous substrates available as perturbation substrates for metabolic analyses of cells sampled from production-processes and thereby allows a very targeted perturbation of whole-cell metabolism. PMID- 29220112 TI - Multispectral image analysis in Vogt-Koyanagi-Harada disease. AB - PURPOSE: To investigate fundus abnormalities in Vogt-Koyanagi-Harada (VKH) disease by a noninvasive tool, multispectral imaging (MSI). METHODS: A total of 77 patients with VKH and 163 healthy controls were enrolled between January and April 2015. The MSI findings were evaluated in combination with fundus fluorescein angiography (FFA), optical coherent tomography (OCT) and fundus photography (FP). Additionally, we compared extent of exposure of choroidal blood vessels between patients with VKH and healthy controls to evaluate retinal transmission function. RESULTS: A number of features could be recognized by MSI which included (i) general depigmentation, (ii) clumping of pigment and (iii) macular depigmentation and/or hyperpigmentation. The percentages of these three abnormalities discovered by MSI in 52 inactive VKH patients with a duration of more than 2 months in VKH were 67.3%, 75% and 84.6% respectively, which were all significantly higher than those detected by FFA, OCT or FP (p = 0.0398, p < 0.0001). Our study showed that MSI detected a higher percentages of these four abnormalities in patients with sunset glow fundus than in patients without this phenomenon (p = 0.0492, p < 0.0001). Additionally, at the same wavelength (590 nm), exposure of choroidal blood vessels in inactive patients was stronger than in healthy controls and active patients (p < 0.01, p < 0.001). CONCLUSION: Our results show that MSI is a sensitive noninvasive method to investigate the retinal pigment epithelium (RPE) in VKH disease. It is more likely to detect RPE abnormalities with MSI than when using FFA, OCT or FP. Retinal transmission function in inactive patients is stronger than that observed in active patients or healthy controls. PMID- 29220113 TI - Effect of dexamethasone intravitreal implant on blood glucose, hypothalamic pituitary-adrenal axis function and vascular endothelial growth factor serum levels in patients with diabetic macular oedema. PMID- 29220114 TI - Treat-and-extend versus every-other-month regimens with aflibercept in age related macular degeneration. AB - PURPOSE: To compare the 1-year outcomes of treat-and-extend (TAE) and every-other month (2M) regimens with intravitreal aflibercept in Japanese wet age-related macular degeneration (AMD) patients. METHODS: Prospective, multicenter, randomized clinical trial. The primary outcome measure was the proportion of eyes in which the best-corrected visual acuity (BCVA) was maintained at week 52 [with a loss of <0.3 logarithm of minimum angular of resolution (logMAR) units]. The secondary outcome measures were the mean change from baseline in the central retinal thickness (CRT) and the number of injections. RESULTS: Forty-one patients were enrolled. The mean changes in the BCVA from baseline in the TAE and 2M were 0.32 +/- 0.27 and -0.26 +/- 0.30 logMAR units (p = 0.46). The TAE group was noninferior to the 2M group in BCVA maintenance. The mean CRT changes from baseline in the TAE and 2M were -161 +/- 133 and -157 +/- 90 MUm (p = 0.73). The mean number of injections in the TAE and 2M were 7.5 +/- 1.2 (range, 7-12) and 8.0 +/- 0.0 (p < 0.0001). CONCLUSION: Treat-and-extend (TAE) regimen with aflibercept improved the BCVA and CRT to the same extent as 2M regimen, with a reduced number of injections. PMID- 29220115 TI - HIV prevention where it is needed most: comparison of strategies for the geographical allocation of interventions. AB - INTRODUCTION: A strategic approach to the application of HIV prevention interventions is a core component of the UNAIDS Fast Track strategy to end the HIV epidemic by 2030. Central to these plans is a focus on high-prevalence geographies, in a bid to target resources to those in greatest need and maximize the reduction in new infections. Whilst this idea of geographical prioritization has the potential to improve efficiency, it is unclear how it should be implemented in practice. There are a range of prevention interventions which can be applied differentially across risk groups and locations, making allocation decisions complex. Here, we use mathematical modelling to compare the impact (infections averted) of a number of different approaches to the implementation of geographical prioritization of prevention interventions, similar to those emerging in policy and practice, across a range of prevention budgets. METHODS: We use geographically specific mathematical models of the epidemic and response in 48 counties and major cities of Kenya to project the impact of the different geographical prioritization approaches. We compare the geographical allocation strategies with a nationally uniform approach under which the same interventions must be applied across all modelled locations. RESULTS: We find that the most extreme geographical prioritization strategy, which focuses resources exclusively to high-prevalence locations, may substantially restrict impact (41% fewer infections averted) compared to a nationally uniform approach, as opportunities for highly effective interventions for high-risk populations in lower-prevalence areas are missed. Other geographical allocation approaches, which intensify efforts in higher-prevalence areas whilst maintaining a minimum package of cost effective interventions everywhere, consistently improve impact at all budget levels. Such strategies balance the need for greater investment in locations with the largest epidemics whilst ensuring higher-risk groups in lower-priority locations are provided with cost-effective interventions. CONCLUSIONS: Our findings serve as a warning to not be too selective in the application of prevention strategies. Further research is needed to understand how decision makers can find the right balance between the choice of interventions, focus on high-risk populations, and geographical targeting to ensure the greatest impact of HIV prevention. PMID- 29220116 TI - Advances in Microfluidics Applied to Single Cell Operation. AB - The field of microbiology have traditionally been concerned with and focused on studies at the population level. Microfluidic platforms have emerged as important tools for biology research at a small scale, even down to a single cell level. The spatial and temporal control of cells and stimuli transported by microfluidic channels in well-designed microsystems realized the studies of specific cells in a controlled microenvironment. The true cellular physiology responses, which are obtained mostly by inference from population-level data, could be revealed in this way. Nowadays, significant applications like cell culture, analysis, sorting, genomics, and proteomics at the single cell level have been achieved in microfluidic chips. Highly integrated microfluidic systems with complete bio analytic functions are also coming forth and of great promise for single cell related physiology, biomedical, and high throughput screening research. Herein, the leads of technologies applied to single cell operation are reviewed. Challenges and potentials of these works are also summarized, to highlight fields for further research. PMID- 29220117 TI - Anterior surface breakdown and implant extrusion following secondary alloplastic orbital implantation surgery. AB - BACKGROUND: Secondary orbital implantation surgery can be complex due to scarring of the orbital tissues and can be complicated by implant exposure and extrusion. PURPOSE: To evaluate the incidence and risk factors of implant exposure and extrusion following secondary alloplastic orbital implantation surgery in anophthalmic patients. METHODS: Retrospective analysis of a consecutive series of patients who underwent secondary placement of an alloplastic orbital implant by one surgeon between 2001 and 2016 in the Rotterdam Eye Hospital. OUTCOME PARAMETERS: implant exposure or extrusion. Other complications. RESULTS: Sixty three patients underwent secondary orbital placement of scleral-wrapped acrylic (60) or silicone (three) spherical implants. A subset of 25 patients had undergone earlier secondary orbital implant placement (by other surgeons) with exposure/extrusion necessitating additional implant surgery. Two patients were excluded due to lack of follow-up (<3 months). Mean age was 49 years (range: 1 84.5 years). The mean follow-up was 4.1 years (range: 0.25-13, 6 years). Implant exposure or extrusion occurred in six of 18 (33%) patients in whom no muscle had been reattached during secondary orbital implantation and in five of 43 (12%) patients in whom the extraocular recti muscles had been attached, but the follow up time was shorter for the latter group. Surgical treatment for implant exposure/extrusion was required in eleven of 61 patients (18%). Other complications included postoperative volume deficiency despite optimal prosthesis (five of 61, 8%), inclusion cysts (four of 61, 7%) and conjunctivitis sicca (two of 61, 3%). Seven of 61 (11%) patients required fornix deepening and seven (11%) blepharoptosis correction. CONCLUSION: Secondary orbital implantation of sclera wrapped alloplastic implants was complicated by implant extrusion or exposure in 12% of cases in which the extraocular muscles were attached to the implant. PMID- 29220118 TI - Traditional and molecular chromosomal abnormality analysis of products of conception in spontaneous and recurrent miscarriage. AB - : Chromosome abnormalities account for half of the recorded miscarriages. Data from cytogenetic analysis of the products of conception (POC) in miscarriages are reviewed in the paper. Genetic analysis of POC allows patients to be given prognostic information. Molecular genetic techniques can overcome the pitfalls of conventional karyotyping, such as culture failure and trace submicroscopic abnormalities. We compare the pros and cons when these technologies are applied to the analysis of POC after miscarriage. Guidance is also provided for future clinical applications. The objective of the review is to help clinicians understand the limitations and to optimise the usefulness of genetic analysis of POC. TWEETABLE ABSTRACT: Genetics and POC of miscarriage. PMID- 29220119 TI - Identification of the novel HLA-DQB1*03:181 allele in a Chinese leukemia patient. AB - HLA-DQB1*03:181 has one nucleotide change from HLA-DQB1*03:05:01 at position 470C>G. PMID- 29220120 TI - Efavirenz is related to neuropsychiatric symptoms among adults, but not among adolescents living with human immunodeficiency virus in Kilimanjaro, Tanzania. AB - OBJECTIVES: To explore the relationship between Efavirenz (EFV) and neuropsychiatric symptoms among adults and adolescents living with human immunodeficiency virus (HIV) in Kilimanjaro, Tanzania. METHODS: Cross-sectional study among HIV-infected adults (age 18-65) and adolescents (age 12-17) on antiretroviral treatment attending Kilimanjaro Christian Medical Centre, Moshi, Tanzania. Neuropsychiatric symptoms were measured using the Hospital Anxiety and Depression Scale (HADS), the Symptom Checklist 90 (SCL-90) and the Mini International Neuropsychiatric Interview (MINI). manova and chi-squared tests were used to test differences between EFV and non-EFV-treated participants. RESULTS: A total of 215 adults and 150 adolescents participated. About 52% of adults and 37% of adolescents used EFV. Among adults, depression scores were higher for those on EFV (HADS (Cohen's D: 0.38; P = 0.02) and SCL-90 (Cohen's D: 0.24; P = 0.03). Among adolescents, those on EFV had lower scores on depression (HADS (Cohen's D: 0.3; P = 0.02) and SCL-90 (Cohen's D: 0.1; P = 0.02). About 10% of adults reported suicidal thoughts, but there was no difference between those on EFV and those without. Lastly, adults on EFV reported higher levels of problematic alcohol use (P = 0.003). CONCLUSIONS: In line with the previous studies, EFV is associated with depressive symptoms and problematic alcohol use among HIV-infected adults in Tanzania. In contrast, EFV was associated with lower levels of depressive symptoms in adolescents in Tanzania. Particularly among adults, close monitoring of depressive symptoms and alcohol use is indicated. PMID- 29220121 TI - Effects of Rate on Analgesia in Kilohertz Frequency Spinal Cord Stimulation: Results of the PROCO Randomized Controlled Trial. AB - OBJECTIVE: The PROCO RCT is a multicenter, double-blind, crossover, randomized controlled trial (RCT) that investigated the effects of rate on analgesia in kilohertz frequency (1-10 kHz) spinal cord stimulation (SCS). MATERIALS AND METHODS: Patients were implanted with SCS systems and underwent an eight-week search to identify the best location ("sweet spot") of stimulation at 10 kHz within the searched region (T8-T11). An electronic diary (e-diary) prompted patients for pain scores three times per day. Patients who responded to 10 kHz per e-diary numeric rating scale (ED-NRS) pain scores proceeded to double-blind rate randomization. Patients received 1, 4, 7, and 10 kHz SCS at the same sweet spot found for 10 kHz in randomized order (four weeks at each frequency). For each frequency, pulse width and amplitude were titrated to optimize therapy. RESULTS: All frequencies provided equivalent pain relief as measured by ED-NRS (p <= 0.002). However, mean charge per second differed across frequencies, with 1 kHz SCS requiring 60-70% less charge than higher frequencies (p <= 0.0002). CONCLUSIONS: The PROCO RCT provides Level I evidence for equivalent pain relief from 1 to 10 kHz with appropriate titration of pulse width and amplitude. 1 kHz required significantly less charge than higher frequencies. PMID- 29220123 TI - Dorsal Root Ganglion Stimulation: A Treatment Option for Chronic Pain Due to Refractory Loin Pain Haematuria Syndrome. PMID- 29220124 TI - RE: Juch JNS, et al. Effect of Radiofrequency Denervation on Pain Intensity Among Patients With Chronic Low Back Pain: The Mint Randomized Clinical Trials. JAMA 2017;318(1):68-81. PMID- 29220122 TI - Expression profile analysis of long non-coding RNA in acute myeloid leukemia by microarray and bioinformatics. AB - Long non-coding RNAs (lncRNAs) are transcripts longer than 200 nt that are involved in tumorigenesis and play a key role in cancer progression. To determine whether lncRNAs are involved in acute myeloid leukemia (AML), we analyzed the expression profile of lncRNAs and mRNAs in AML. Five pairs of AML patients and iron deficiency anemia (IDA) controls were screened by microarray. Through coexpression analysis, differently expressed transcripts were divided into modules, and lncRNAs were functionally annotated. We further analyzed the clinical significance of crucial lncRNAs from modules in public data. Finally, the expression of three lncRNAs, RP11-222K16.2, AC092580.4, and RP11-305O.6, were validated in newly diagnosed AML, AML relapse, and IDA patient groups by quantitative RT-PCR, which may be associated with AML patients' overall survival. Further analysis showed that RP11-222K16.2 might affect the differentiation of natural killer cells, and promote the immunized evasion of AML by regulating Eomesodermin expression. Analysis of this study revealed that dysregulated lncRNAs and mRNAs in AML vs IDA controls could affect the immune system and hematopoietic cell differentiation. The biological functions of those lncRNAs need to be further validated. PMID- 29220126 TI - Can the retina be used to diagnose and plot the progression of Alzheimer's disease? AB - Alzheimer's disease (AD) is a neurodegenerative disease and the most common cause of senile dementia. It impairs the quality of life of a person and their family, posing a serious economic and social threat in developed countries. The fact that the diagnosis can only be definitively made post-mortem, or when the disease is fairly advanced, presents a serious problem if novel therapeutic interventions are to be devised and used early in the course of the disease. There is therefore a pressing need for more sensitive and specific diagnostic tests with which we can detect AD in the preclinical stage. The tau proteins and beta-amyloid proteins start to accumulate 20 years before the symptoms begin to manifest. Detecting them in the preclinical stage would be a potential breakthrough in the management of AD. A high degree of clinical suspicion is needed to correlate problems in cognition with the changes in the eye, particularly the retina, pupil and ocular movements, so that the disease can be detected early and managed in the prodromal phase. In this systematic review, we ask the question whether the retina can be used to make a specific and early diagnosis of AD. PMID- 29220127 TI - Vascular endothelial growth factor inhibition for proliferative diabetic retinopathy: Et tu, Brute? PMID- 29220128 TI - Trauma Resuscitation: An evidence-based review of prehospital traumatic cardiac arrest. PMID- 29220129 TI - Damage Control: Resuscitation. PMID- 29220130 TI - Wound Packing 101: Hemorrhage control when it's more than skin deep. PMID- 29220131 TI - JEMS selects top 10 innovators of 2016. PMID- 29220132 TI - Active Seizures: Guidelines for treatment of prolonged seizures in children and adults. PMID- 29220133 TI - Emergence of EMS in India: India's budding EMS infrastructure is a model for the region despite challenges moving forward. PMID- 29220134 TI - MODELLING midwifery care. PMID- 29220135 TI - NARCOLEPSY. The Body Systems Training Room (BSTR) is the fourth of ANMF's CPD training room for nurses and midwives. PMID- 29220136 TI - Can't Get No Satisfaction: Measuring quality in EMS. PMID- 29220137 TI - How to create a calm and confident mindset. PMID- 29220138 TI - Smart nurses thoughtless posts on social media. PMID- 29220139 TI - Hands On: Product Reviews From Street Crews. PMID- 29220141 TI - Last Word: the Ups and Downs of EMS. PMID- 29220140 TI - The fast lane: Nursing in WA's busiest emergency department. PMID- 29220142 TI - Cultural competence in emergency department. PMID- 29220143 TI - Midwifery excellence delivering a new generation. PMID- 29220144 TI - Patient stories about being cared for in the emergency department. PMID- 29220145 TI - Emergency nurses a breed of their own. PMID- 29220146 TI - Unscheduled returns to the emergency department. PMID- 29220147 TI - Unscheduled returns to the emergency department. PMID- 29220148 TI - The lifespan of peripheral IVs inserted in the paediatric ED: do they go the distance? PMID- 29220149 TI - The Future is Now: Harnessing advanced technology to save money and save lives. PMID- 29220150 TI - Functionalized Eu(III)-Based Nanoscale Metal-Organic Framework To Achieve Near-IR Triggered and -Targeted Two-Photon Absorption Photodynamic Therapy. AB - The postsynthetic-modified nanoscale metal-organic framework (NMOF) probes selected as potential drug delivery platforms and photodynamic therapy agents to fulfill the effective and safe treatment of neoplastic diseases have attracted increasing attention recently. Herein, a Eu(III)-based NMOF probe elaborately postsynthetically modified with a beta-diketonate two-photon-absorbing (TPA) ligand is rationally designed and further functionalized by assembling the photosensitizer molecule (methylene blue, MB) in the pores and a cyclic peptide targeting motif on the surface of the NMOF, which could achieve highly efficient near-infrared (NIR)-triggered and -targeted photodynamic therapy (PDT). On the basis of the luminescence resonance energy transfer process between the NMOF donor and the photosensitizer MB acceptor, the probe can achieve a high tissue penetrable TPA-PDT effect. Thus, the NMOFs in this study play the role of not only the nanocontainer for the photosensitizer but also the energy-transfer donor. Studies in vitro show enhanced cellular uptake and satisfactory PDT effectiveness toward cancer cells compared to the free photosensitizer MB. It is highly expected that this study contributes to the development of smart luminescent diagnostic and therapeutic probes. PMID- 29220151 TI - Integration of Enzymes in Polyaniline-Sensitized 3D Inverse Opal TiO2 Architectures for Light-Driven Biocatalysis and Light-to-Current Conversion. AB - Inspired by natural photosynthesis, coupling of artificial light-sensitive entities with biocatalysts in a biohybrid format can result in advanced photobioelectronic systems. Herein, we report on the integration of sulfonated polyanilines (PMSA1) and PQQ-dependent glucose dehydrogenase (PQQ-GDH) into inverse opal TiO2 (IO-TiO2) electrodes. While PMSA1 introduces sensitivity for visible light into the biohybrid architecture and ensures the efficient wiring between the IO-TiO2 electrode and the biocatalytic entity, PQQ-GDH provides the catalytic activity for the glucose oxidation and therefore feeds the light-driven reaction with electrons for an enhanced light-to-current conversion. Here, the IO TiO2 electrodes with pores of around 650 nm provide a suitable interface and morphology needed for the stable and functional assembly of polymer and enzyme. The IO-TiO2 electrodes have been prepared by a template approach applying spin coating, allowing an easy scalability of the electrode height and surface area. The successful integration of the polymer and the enzyme is confirmed by the generation of an anodic photocurrent, showing an enhanced magnitude with increasing glucose concentrations. Compared to flat and nanostructured TiO2 electrodes, the three-layered IO-TiO2 electrodes give access to a 24-fold and 29 fold higher glucose-dependent photocurrent due to the higher polymer and enzyme loading in IO films. The three-dimensional IO-TiO2|PMSA1|PQQ-GDH architecture reaches maximum photocurrent densities of 44.7 +/- 6.5 MUA cm-2 at low potentials in the presence of glucose (for a three TiO2 layer arrangement). The onset potential for the light-driven substrate oxidation is found to be at -0.315 V vs Ag/AgCl (1 M KCl) under illumination with 100 mW cm-2, which is more negative than the redox potential of the enzyme. The results demonstrate the advantageous properties of IO-TiO2|PMSA1|PQQ-GDH biohybrid architectures for the light-driven glucose conversion with improved performance. PMID- 29220152 TI - Meltwater Evolution during Defrosting on Superhydrophobic Surfaces. AB - Defrosting is essential for removing frost from engineering surfaces, but some fundamental issues are still unclear, especially for defrosting on superhydrophobic surfaces. Here, defrosting experiments on prepared superhydrophobic surfaces were conducted along with the investigation on meltwater evolution characteristics. According to the experiments, the typical meltwater evolution process on superhydrophobic surfaces can be divided into two stages: dewetting by edge curling and dewetting by shrinkage. The edge curling of a meltwater film is a distinct phenomenon and has been first reported in this work. Profiting from the ultralow adhesion of the superhydrophobic surface, edge curling is mainly attributed to two unbalanced forces (one at the interface between the ice slurry layer and pure water layer and the other in the triple phase line area) acting on the layered meltwater film. During the multi-meltwater evolution process, the nonbreaking of chained droplets on superhydrophobic surfaces is also an interesting phenomenon, which is controlled by the interaction between the surface tension and the retentive force because of contact angle hysteresis. An approximate criterion was then developed to explain and determine the status of chained droplets, and experimental data from various surfaces have validated the effectiveness of this criterion. This work may deepen the understanding of defrosting on superhydrophobic surfaces and promote antifrosting/icing applications in engineering. PMID- 29220153 TI - Rim-Differentiated C5-Symmetric Tiara-Pillar[5]arenes. AB - The synthesis of "rim-differentiated" C5-symmetric pillar[5]arenes, whose two rims are decorated with different chemical functionalities, has remained a challenging task. This is due to the inherent statistical nature of the cyclization of 1,4-disubstituted alkoxybenzenes with different substituents, which leads to four constitutional isomers with only 1/16th being rim differentiated. Herein, we report a "preoriented" synthetic protocol based on FeCl3-catalyzed cyclization of asymmetrically substituted 2,5-dialkoxybenzyl alcohols. This yields an unprecedented 55% selectivity of the C5-symmetric tiara like pillar[5]arene isomer among four constitutional isomers. Based on this new method, a series of functionalizable tiara-pillar[5]arene derivatives with C5 symmetry was successfully synthesized, isolated, and fully characterized in the solid state. PMID- 29220154 TI - Set of Multifunctional Azo Functionalized Semiconducting Cd(II)-MOFs Showing Photoswitching Property and Selective CO2 Adsorption. AB - Syntheses, structural characterizations, photoluminescence, and adsorption properties of three new azo-functionalized Cd(II)-MOFs, namely, {[Cd(azbpy)(msuc)].2.5(H2O)}n (2), {[Cd(azbpy)(mglu)].5(H2O)}n (3), and {[Cd1.5(azbpy)2(glu)].(NO3).MeOH}n (4) [where msuc2- = methylsuccinate; mglut2- = methylglutarate; glut2- = glutarate; azbpy = 4,4'-azobispyridine] have been reported. The compounds show different structures only with the variation of aliphatic dicarboxylates. The photoswitching behavior for the above-mentioned newly synthesized Cd(II)-MOFs along with one of our previously reported other azo functionalized Cd(II)-MOF, namely, {[Cd(azbpy)(suc)].2(H2O)}n (1), has been studied extensively. At photoilluminated condition, the conductivity values can draw a clear structure-property relationship among the structures of compounds 1 4. Single crystal structural analysis reveals that all the compounds exhibit a three-dimensional (3D) framework connected by azbpy linker and respective aliphatic dicarboxylate through their bis-chelating mono/bis oxo-bridging fashion. Compounds 1-3 exhibit an iso-structural honeycomb like 3D framework showing the same coordination environments, where the metal-carboxylate 2D sheets of compounds 1-3 are pillared by N,N'-donor azbpy linkers. On the other hand, compound 4 exhibits a 2-fold interpenetrated 3D framework with a little difference in its coordination environment and the pillaring of 1D metal carboxylate ladder by azbpy linkers. All the compounds significantly demonstrate their enhanced sensitivity under light rather than the dark condition. The gas and solvent vapor sorption studies have been performed for the synthesized compounds 2-4. Moreover, compound 2 exhibits an enhanced type IV selective CO2 adsorption isotherm over N2 along with the appearance of gate opening phenomena in that. PMID- 29220157 TI - Molecular Structure Characterization by Isotopic Splitting in Nonlinear Ion Mobility Spectra. AB - Nearly all compounds comprise numerous isotopologues ensuing from stable natural isotopes for constituent elements. The consequent isotopic envelopes in mass spectra can reveal the ion stoichiometry but not geometry. We found those envelopes to split in differential ion mobility (FAIMS) spectra in a manner dependent on the ion geometry and buffer gas composition. The resulting multidimensional matrix of isotopic shifts is specific to isomers, providing a fundamentally new approach to the characterization of chemical structure. The physical origins of the effect remain to be clarified but likely ensue from the transposition of center of mass of the ion within its geometry frame affecting the partition of energy in above-thermal collisions between the translational and rotational degrees of freedom. The additivity of shifts, holding with no exception so far, may be the key to unraveling the foundations of observed behavior. PMID- 29220155 TI - Superchiral Plasmonic Phase Sensitivity for Fingerprinting of Protein Interface Structure. AB - The structure adopted by biomaterials, such as proteins, at interfaces is a crucial parameter in a range of important biological problems. It is a critical property in defining the functionality of cell/bacterial membranes and biofilms (i.e., in antibiotic-resistant infections) and the exploitation of immobilized enzymes in biocatalysis. The intrinsically small quantities of materials at interfaces precludes the application of conventional spectroscopic phenomena routinely used for (bio)structural analysis due to a lack of sensitivity. We show that the interaction of proteins with superchiral fields induces asymmetric changes in retardation phase effects of excited bright and dark modes of a chiral plasmonic nanostructure. Phase retardations are obtained by a simple procedure, which involves fitting the line shape of resonances in the reflectance spectra. These interference effects provide fingerprints that are an incisive probe of the structure of interfacial biomolecules. Using these fingerprints, layers composed of structurally related proteins with differing geometries can be discriminated. Thus, we demonstrate a powerful tool for the bioanalytical toolbox. PMID- 29220156 TI - Ultrathin N-Doped Mo2C Nanosheets with Exposed Active Sites as Efficient Electrocatalyst for Hydrogen Evolution Reactions. AB - Probing competent electrocatalysts for hydrogen evolution reaction (HER) of water splitting is one of the most hopeful approaches to confront the energy and environmental crisis. Herein, we highlight ultrathin N-doped Mo2C nanosheets (N Mo2C NSs) in the role of greatly efficient platinum-free-based electrocatalysts for the HER. The transformation of crystal phase and structure between MoO2 nanosheets with a thickness of ~1.1 nm and N-Mo2C NSs with a thickness of ~1.0 nm is studied in detail. Structural analyses make clear that the surfaces of the N Mo2C NSs are absolutely encompassed by apical Mo atoms, hence affording an ideal catalyst prototype to expose the role of Mo atoms for the duration of HER catalysis. Theoretical calculations demonstrate that the nanosheet structure, N doping, and particular crystalline phase of Mo2C produce more exposed Mo active sites, including Mo atoms on the C plane and doped N atoms. Through detailed electrochemical investigations, N-Mo2C NSs possess HER activity with an onset potential of -48.3 mV vs RHE, Tafel slope of 44.5 mV dec-1, and overpotential of 99 mV vs RHE at the cathodic current density of 10 mA cm-2 with excellent long term stability. Lastly, the calcination temperature and dicyandiamide amount can obviously affect the phase transformation and surface structure of molybdenum carbide, resulting in an adjustable HER activity. This synthesis mechanism will facilitate the understanding and optimization of Mo-based electrocatalysts in the energy conversion field. PMID- 29220158 TI - Mixed NiO/NiCo2O4 Nanocrystals Grown from the Skeleton of a 3D Porous Nickel Network as Efficient Electrocatalysts for Oxygen Evolution Reactions. AB - Mixed NiO/NiCo2O4 nanocrystals grown in situ from the skeleton of a 3D porous nickel network (3DPNN) were prepared with a simple hydrothermal method followed by a low temperature calcination, exhibiting outstanding electrocatalytic efficiencies toward oxygen evolution reactions (OER). The 3DPNN was prepared with a novel leaven dough method and served as both the nickel source for growth of the mixed NiO/NiCo2O4 nanocrystals and the charge transport highway to accelerate the sluggish kinetics of the OER. The mixed NiO/NiCo2O4 nanocrystals exhibited pronounced synergistic effects to achieve a high mass activity of 200 A g-1 at the catalyst mass loading of 0.5 mg cm-2, largely outperforming the corresponding single component nanocrystal systems, NiO (5.87) and NiCo2O4 (9.35). The NiO/NiCo2O4@3DPNN composite electrocatalyst achieved a low overpotential of 264 mV at the current density of 10 mA cm-2 and 389 mV at the practically high current density of 250 mA cm-2, which compete favorably among the top tier of previously reported OER electrocatalysts. Moreover, it exhibited good stability even at the high current density of 250 mA cm-2, showing only 9.40% increase in working applied potential after a continuous 12 h operation. The present work demonstrates a new design for highly efficient OER catalysts with in situ growth of mixed oxide nanocrystals of pronounced synergistic effects. PMID- 29220159 TI - Monolithic Nanoporous In-Sn Alloy for Electrochemical Reduction of Carbon Dioxide. AB - Nanostructured metal catalysts to convert CO2 to formate, which have been extensively studied over decades, have many problems such as durability, lifetime, high process temperature, and difficulty in controlling the morphology of nanostructures. Here, we report a facile method to fabricate monolithic nanoporous In-Sn alloy, a network of nanopores, induced by electroreduction of indium tin oxide nanobranches (ITO BRs). The electroreduction process concentrated a local electric field at the tip of the nanostructure, leading to current-assisted joule-heating to form a nanoporous In-Sn alloy. Scanning electron microscopy images showed that the nanopore size of In-Sn alloy could be controlled from 1176 to 65 nm by tuning the electroreduction condition: the applied potential and the time. As a result, formate Faradaic efficiency could be improved from 42.4% to 78.6%. Also, current density was increased from -6.6 to 9.6 mA/cm2 at -1.2 VRHE, thereby resulting in the highest HCOO- production rate of 75.9 MUmol/(h cm2). Detachment of catalysts from the substrate was not observed even after a long-term (12 h) electrochemical measurement at high potential (-1.2 VRHE). This work provides a design rule to fabricate highly efficient and stable oxide-derived electrocatalysts. PMID- 29220160 TI - Plant Protein-Directed Synthesis of Luminescent Gold Nanocluster Hybrids for Tumor Imaging. AB - Nowadays, fluorescence detection has emerged as one of the most frequently used noninvasive biosensing methods to selectively monitor biological processes within living systems. Among fluorescent nanoparticles (NPs), gold nanoclusters (AuNCs) have been intensively studied because of their intrinsic fluorescence and their endowed biocompatible surface. Herein, we selected an abundant, low-cost, and sustainable plant protein, the pea protein isolate (PPI), for its excellent biocompatibility, biodegradability, and nonallergenic character to be employed as both a reducing and stabilizing agent to facilely produce AuNCs exhibiting a strong red fluorescence. Afterward, the formed AuNCs/PPI mixture was able to self assemble into NPs (AuNCs/PPI NPs) with the size of about 100 nm simply through a dialyzing process. Taking advantage from the protein nature of PPI, AuNCs/PPI NPs demonstrate both excellent biocompatibility and colloidal stability. Moreover, AuNCs/PPI NPs showed a great capability when employed as a bioimaging probe for both in vitro and in vivo imaging. Finally, AuNCs/PPI NPs were coated with red blood cell (RBC) membranes to improve their blood circulation property and enhance their tumor enrichment ability to meet the requirement for practical use. Results convincingly show that such super NPs (RBC-coated AuNCs/PPI NPs) were able to successfully locate tumor in vivowith an excellent imaging capability, which provides a new strategy for bioimaging with fluorescent NPs. PMID- 29220161 TI - Sequential Migrations between Boron and Rhodium Centers: A Cooperative Process between Rhodium and a Monosubstituted Borohydride Unit. AB - The sodium salt of a monosubstituted borohydride anion containing a 2 mercaptopyridyl unit (mp) is reported herein. This compound was coordinated to a rhodium(I) center providing the complex [Rh{kappa3-H,H,S-H3B(mp)}(NBD)] (1) (where NBD = 2,5-norbornadiene) in which the boron-based ligand is coordinated to the rhodium center via the thione donor and two of the B-H bonds of the BH3 unit. Reaction of complex 1 with carbon monoxide results in the activation of the complex leading to the product of a formal intramolecular hydroboration reaction, where the NBD unit has, in effect, inserted into one of the B-H bonds. Three complexes were prepared in which the newly formed norbornenyl unit (nbe) is located at the boron center, namely, [Rh{kappa3-H,H,S-H2B(nbe)(mp)}(CO)2] (2), [Rh{kappa3-H,H,S-H2B(nbe)(mp)}(CO)(PCy3)] (3), and [Rh{kappa3-H,H,S H2B(nbe)(mp)}(CO)(PPh3)] (4). The identities of the three complexes were confirmed by spectroscopic and analytical techniques. Further confirmation was obtained via structural characterization of 3. Studies confirmed that the reactivity occurs at the metal center. A metal-ligand cooperative mechanism, involving initial migration of hydride from boron to metal center, was postulated for the formation of the new complexes based on previous investigations. The newly formed norbornenyl unit then migrates from metal center to boron. PMID- 29220162 TI - Albumin-Assisted Synthesis of Ultrasmall FeS2 Nanodots for Imaging-Guided Photothermal Enhanced Photodynamic Therapy. AB - Current mainstream cancer treatment methods have their limitations. New approaches are thus desired to assist our battle against cancer. Herein, multifunctional ultrasmall FeS2 nanodots with the size of 7 nm are synthesized by biomineralization and used for imaging-guided combined tumor therapy. Bovine serum albumin (BSA), which acts as the reaction template to induce the mineralization of FeS2 nanomaterials under alkaline conditions, could also be used as a drug delivery system for coupling photosensitive molecule such as Chlorin e6 (Ce6). Taking advantage of the near-infrared (NIR) absorbance and the high r2 relaxivity of the synthesized ultrasmall FeS2 nanodots, as well as the Ce6 fluorescence, in vivo trimodal imaging of optical/magnetic resonance/photoacoustics was carried out, showing efficient tumor accumulation of FeS2@BSA-Ce6 after intravenous injection. In vitro and in vivo photothermal and photodynamic therapy were then conducted for synergistic tumor therapy and did not cause any apparent toxicity to the treated animals. Our work thus provides a new kind of ultrasmall FeS2 multifunctional nanodot modified by albumin via a simple method, promising for combination phototherapy as well as cancer theranostics. PMID- 29220163 TI - Online Ozonolysis Combined with Ion Mobility-Mass Spectrometry Provides a New Platform for Lipid Isomer Analyses. AB - One of the most significant challenges in contemporary lipidomics lies in the separation and identification of lipid isomers that differ only in site(s) of unsaturation or geometric configuration of the carbon-carbon double bonds. While analytical separation techniques including ion mobility spectrometry (IMS) and liquid chromatography (LC) can separate isomeric lipids under appropriate conditions, conventional tandem mass spectrometry cannot provide unequivocal identification. To address this challenge, we have implemented ozone-induced dissociation (OzID) in-line with LC, IMS, and high resolution mass spectrometry. Modification of an IMS-capable quadrupole time-of-flight mass spectrometer was undertaken to allow the introduction of ozone into the high-pressure trapping ion funnel region preceding the IMS cell. This enabled the novel LC-OzID-IMS-MS configuration where ozonolysis of ionized lipids occurred rapidly (10 ms) without prior mass-selection. LC-elution time alignment combined with accurate mass and arrival time extraction of ozonolysis products facilitated correlation of precursor and product ions without mass-selection (and associated reductions in duty cycle). Unsaturated lipids across 11 classes were examined using this workflow in both positive and negative ion modalities, and in all cases, the positions of carbon-carbon double bonds were unequivocally assigned based on predictable OzID transitions. Under these conditions, geometric isomers exhibited different IMS arrival time distributions and distinct OzID product ion ratios providing a means for discrimination of cis/trans double bonds in complex lipids. The combination of OzID with multidimensional separations shows significant promise for facile profiling of unsaturation patterns within complex lipidomes including human plasma. PMID- 29220164 TI - Ambidextrous Chirality Transfer Capability from Cellulose Tris(phenylcarbamate) to Nonhelical Chainlike Luminophores: Achiral Solvent-Driven Helix-Helix Transition of Oligo- and Polyfluorenes Revealed by Sign Inversion of Circularly Polarized Luminescence and Circular Dichroism Spectra. AB - We investigated whether helicity and/or chirality of cellulose tris(phenylcarbamate) (CTPC) can transfer to noncharged, nonhelical oligo- and polyfluorenes when CTPC was employed as a solution processable homochiral platform of a D-glucose-skeletal polymer. Noticeably, CTPC revealed the solvent driven, ambidextrous intermolecular helicity/chirality transfer capability to these fluorenes. The chiroptical inversion characteristics of circularly polarized luminescence (CPL) and the corresponding CD spectra were realized by solely choosing a proper achiral solvent and/or achiral cosolvent. When the solution of PF6 and CTPC in tetrahydrofuran (THF) was cast on a quartz substrate, the dissymmetry ratio of CPL (gCPL) from the polymer film showed gCPL = +2.1 * 10 3 at 429 nm. Conversely, when dichloromethane (DCM) was used as the solvent, the CPL sign was inverted to gCPL = -2.4 * 10-3 at 429 nm. The dissymmetry ratio of Cotton CD band (gCD) from the THF solution was gCD = +3.2 * 10-3 at 392 nm; conversely, from the DCM, the CD sign inverted to gCD = -0.8 * 10-3 at 371 nm. The sign and magnitude of the gCD values were interpreted to a London dispersion term (deltad) of Hansen solubility parameter (delta) of the casting solvents rather than a dipole-dipole interaction term (deltap) and a hydrogen bonding interaction term (deltah) of the delta values and dielectric constant (epsilon). Analysis of solvent-driven changes in FTIR spectra, wide-angle X-ray diffraction profiles, and differential scanning calorimetry diagrams indicated that solvent driven on-off switching of multiple hydrogen bonds due to three urethane groups of CTPC play the key for the inversion. Intermolecular CH/pi and pi-pi interactions among phenyl rings and alkyl groups were assumed to be crucial for helicity/chirality transfer capability based on molecular mechanics and molecular dynamics simulations of PF6-CTPC hybrids. These chiroptical inversion characteristics arose from solvent-driven order-disorder transition characteristics of the CTPC helix rather than a helix-helix transition of CTPC itself. PMID- 29220165 TI - Phototriggered N2-Generating Submicron Particles for Selective Killing of Cancer Cells. AB - Killing of cancer cells by applying mechanical disruption has been an appealing emerging strategy for cancer treatment in recent years. In this study, photoresponsive submicron particles based on diazo-resin that are able to release N2 under UV irradiation were prepared through a polyamine-salt aggregation method. After surface modification with hyaluronic acid, the particles could be internalized selectively by cancer cells and were mainly located in lysosomes after 6 h incubation. The viability of cancer cells decreased obviously after they were co-cultured with photoresponsive particles and UV irradiation due to the integrity damage of lysosomes by phototriggered N2 generation and the subsequent increased number of reactive oxygen species. PMID- 29220166 TI - Electrochemistry of Ruthenium Bis(imino)pyridine Compounds: Evidence for an ECE Mechanism and Isolation of Mono and Dicationic Complexes. AB - The electrochemical properties of a series of ruthenium complexes bearing the redox noninnocent bis(imino)pyridine ligand were investigated with cyclic voltammetry. An unexpected electrochemical feature in one of the complexes indicated a possible electrochemical-chemical-electrochemical (ECE) process. Further investigation into the oxidation mechanism included the synthesis and isolation of cationic and dicationic analogues of the complex. Density functional theory calculations suggested that a solvent interaction facilitated the ECE mechanism, so a solvent adduct was also synthesized and isolated. Calculations of this series of compounds were used to investigate the stabilizing role of the ligands over various oxidation states. As the overall charge of the complex was varied from anion to dication, a relatively constant Ru metal center oxidation state was found over all four states probed. This result suggests the strong involvement of the coligands in the redox behavior of the complexes investigated. PMID- 29220167 TI - Computational Systems Biochemistry: Beyond the Static Interactome. PMID- 29220168 TI - Hybrid Structure of 2D Layered GaTe with Au Nanoparticles for Ultrasensitive Detection of Aromatic Molecules. AB - Owing to a complex monocline structure and high-density of defects in monocrystalline GaTe, the performance of GaTe-based electronic devices is considerably compromised. Yet, the defects' nature in GaTe could be a merit rather than a shortcoming in other realms. In our work, the density of defects in GaTe films is utilized for a facile decoration of Au nanoparticles (NPs), which allowed us to extend its application potential to the domain of surface enhanced Raman scattering (SERS) for the first time. Two-dimensional (2D) GaTe layered structures are prepared by mechanical exfoliation, and high-density Au NPs are synthesized by immersion of 2D GaTe in HAuCl4 aqueous solution. By varying the immersion time, the sizes and coverage rate of Au NPs on GaTe can be elaborately tuned. Thanks to the defect nature of GaTe, the maximum coverage amounts to 98%. The hereby achieved Au-NPs-2D-GaTe hybrid structure demonstrates outstanding properties as a superior SERS substrate for ultrasensitive detection of R6G aromatic molecules. Remarkably, the enhancement factor reaches up to 1.6 * 104, and the minimum detectable concentration is 10-11 M, undercutting that of recently reported Au-NPs-MoS2 SERS and Au-NPs-graphene SERS substrates which have a similar structure. With superior detection capability and facile preparation, Au-NPs-GaTe SERS substrates can become a perfect choice for the detection of aromatic molecules. PMID- 29220169 TI - Sb Nanoparticles Anchored on Nitrogen-Doped Amorphous Carbon-Coated Ultrathin CoSx Nanosheets for Excellent Performance in Lithium-Ion Batteries. AB - Compared to single-component materials, hybrid materials with various components display superior electrochemical performance. In this work, two-dimensional CoSx@NC@Sb nanosheets assembled by ultrathin CoSx nanosheets (~4 nm) and a thin layer of N-doped amorphous carbon (NC) combined with colloidlike Sb nanoparticles are designed and synthesized via a solvothermal route accompanied by a carbonization and Sb deposition procedure. If applied in lithium-ion batteries (LIBs), the hybrids exhibit a specific capacity of 960 mA h g-1 at the 100th cycle at 0.1 A g-1. Moreover, the reversible capacity still maintains at 494 mA h g-1 after 500 cycles at a high rate of 10 A g-1. All enhanced electrochemical properties of the hybrids are attributed to the synergistic effect of the two components and their unique structural features, which can effectively increase the electrical conductivity, shorten the pathway of Li+ diffusion, accommodate the volume variation, and inhibit the aggregation and pulverization of the electrode. We believe that the current work can provide a new strategy for designing and fabricating high-performance anode materials for LIBs. PMID- 29220170 TI - Sustainable Conversion of Carbon Dioxide: An Integrated Review of Catalysis and Life Cycle Assessment. AB - CO2 conversion covers a wide range of possible application areas from fuels to bulk and commodity chemicals and even to specialty products with biological activity such as pharmaceuticals. In the present review, we discuss selected examples in these areas in a combined analysis of the state-of-the-art of synthetic methodologies and processes with their life cycle assessment. Thereby, we attempted to assess the potential to reduce the environmental footprint in these application fields relative to the current petrochemical value chain. This analysis and discussion differs significantly from a viewpoint on CO2 utilization as a measure for global CO2 mitigation. Whereas the latter focuses on reducing the end-of-pipe problem "CO2 emissions" from todays' industries, the approach taken here tries to identify opportunities by exploiting a novel feedstock that avoids the utilization of fossil resource in transition toward more sustainable future production. Thus, the motivation to develop CO2-based chemistry does not depend primarily on the absolute amount of CO2 emissions that can be remediated by a single technology. Rather, CO2-based chemistry is stimulated by the significance of the relative improvement in carbon balance and other critical factors defining the environmental impact of chemical production in all relevant sectors in accord with the principles of green chemistry. PMID- 29220171 TI - Exothermic or Endothermic Decomposition of Disubstituted Tetrazoles Tuned by Substitution Fashion and Substituents. AB - Nitrogen-rich compounds such as tetrazoles are widely used as candidates in gas generating agents. However, the details of the differentiation of the two isomers of disubstituted tetrazoles are rarely studied, which is very important information for designing advanced materials based on tetrazoles. In this article, pairs of 2,5- and 1,5-disubstituted tetrazoles were carefully designed and prepared for study on their thermal decomposition behavior. Also, the substitution fashion of 2,5- and 1,5- and the substituents at C-5 position were found to affect the endothermic or exothermic properties. This is for the first time to the best of our knowledge that the thermal decomposition properties of different tetrazoles could be tuned by substitution ways and substitute groups, which could be used as a useful platform to design advanced materials for temperature-dependent rockets. The aza-Claisen rearrangement was proposed to understand the endothermic decomposition behavior. PMID- 29220172 TI - Experimental Evidence for Noncanonical Thymine Cation Radicals in the Gas Phase. AB - Thymine cation radicals were generated in the gas phase by collision-induced intramolecular electron transfer in [Cu(2,2':6,2"-terpyridine)(thymine)]2+* complexes and characterized by ion-molecule reactions, UV-vis photodissociation action spectroscopy, and ab initio and density functional theory calculations. The experimental results indicated the formation of a tautomer mixture consisting chiefly (77%) of noncanonical tautomers with a C-7-H2 group. The canonical 2,4 dioxo-N-1,N-3-H isomer was formed as a minor component at ca. 23%. Ab initio CCSD(T) calculations indicated that the canonical [thymine]+* ion was not the lowest-energy isomer. This contrasts with neutral thymine, for which the canonical isomer is the lowest-energy structure. Exothermic unimolecular isomerization by a methyl hydrogen migration in the canonical [thymine]+* ion required a low energy barrier, forming a C-7-H2,O-4-H isomer. Noncanonical thymine tautomers with a C-7-H2 group were also identified by calculations as low energy isomers of 2'-deoxythymidine phosphate cation radicals. The relative energies of thymidine ion isomers were sensitive to the computational method used and were affected by solvation. The noncanonical [thymine]+* ions have extremely low adiabatic recombination energies (REadiab < 5.9 eV), making them potential ionization hole traps in ionized nucleic acids. PMID- 29220173 TI - Use of Reconstitued Yolk Systems To Study the Gelation Mechanism of Frozen-Thawed Hen Egg Yolk. AB - Yolk gelation upon 5 week freezing-thawing was studied in four recombined yolk systems containing different plasma and granule proportions. Fractionation for mass distribution, sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS PAGE) for protein distribution, and rheological properties were explored. Results indicate that both plasma and granule components, including low-density lipoprotein (LDL), high-density lipoprotein (HDL), and alpha-livetin proteins, contributed to gelation. Protein aggregation was reflected through a large mass increase in the granule fraction and appearance of a floating LDL layer upon fractionation of gelated yolk systems. A significant increase in gel strength (elastic modulus, G') was observed with the increase of the granule content. Overall, this study provides a better understanding of yolk gelation mechanism that may consequently lead to the design of innovative methods for preventing gelation. A schematic presentation of the yolk gelation mechanism is also proposed. PMID- 29220174 TI - Intramolecular HB Interactions Evidenced in Dibenzoyl Oxalamide Derivatives: NMR, QTAIM, and NCI Studies. AB - Extensive NMR spectroscopic studies revealed information on the occurrence of bifurcated intramolecular hydrogen bond in the dibenzoyl oxalamide derivatives. One-dimensional NMR experiments, viz., solvent dilution, temperature perturbation, and two-dimensional experimental techniques, such as 15N-1H HSQC and 19F-1H HOESY, have been exploited to derive unambiguous confirmation of the participation of organic fluorine in the hydrogen-bonding interaction. The experimental NMR findings have been ratified by density functional theory based calculations, viz., NCI (noncovalent interaction) and QTAIM (quantum theory of atoms in molecules). PMID- 29220177 TI - (+)-Methyl (1R,2S)-2-{[4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl]methyl}-1 phenylcyclopropanecarboxylate [(+)-MR200] Derivatives as Potent and Selective Sigma Receptor Ligands: Stereochemistry and Pharmacological Properties. AB - Methoxycarbonyl-1-phenyl-2-cyclopropylmethyl based derivatives cis-(+)-1a [cis (+)-MR200], cis-(-)-1a [cis-(-)-MR201], and trans-(+/-)-1a [trans-(+/-)-MR204], have been identified as new potent sigma (sigma) receptor ligands. In the present paper, novel enantiomerically pure analogues were synthesized and optimized for their sigma receptor affinity and selectivity. Docking studies rationalized the results obtained in the radioligand binding assay. Absolute stereochemistry was unequivocally established by X-ray analysis of precursor trans-(+)-5a as camphorsulfonyl derivative 9. The most promising compound, trans-(+)-1d, showed remarkable selectivity over a panel of more than 15 receptors as well as good chemical and enzymatic stability in human plasma. An in vivo evaluation evidenced that trans-(+)-1d, in contrast to trans-(-)-1d, cis-(+)-1d, or cis-(-)-1d, which behave as sigma1 antagonists, exhibited a sigma1 agonist profile. These data clearly demonstrated that compound trans-(+)-1d, due to its sigma1 agonist activity and favorable receptor selectivity and stability, provided an useful tool for the study of sigma1 receptors. PMID- 29220176 TI - Highly Efficient Erythritol Recovery from Waste Erythritol Mother Liquor by a Yeast-Mediated Biorefinery Process. AB - Erythritol, a natural sugar alcohol, is produced industrially by fermentation and crystallization, but this process leaves a large amount of waste erythritol mother liquor (WEML) which contains more than 200 g/L erythritol as well as other polyol byproducts. These impurities make it very difficult to crystallize more erythritol. In our study, an efficient process for the recovery of erythritol from the WEML is described. The polyol impurities were first identified by high performance liquid chromatography and gas chromatography-mass spectrometry, and a yeast strain Candida maltosa CGMCC 7323 was then isolated to metabolize those impurities to purify erythritol. Our results demonstrated that the process could remarkably improve the purity of erythritol and thus make the subsequent crystallization easier. This newly developed strategy is expected to have advantages in WEML treatment and provide helpful information with regard to green cell factories and zero-waste processing. PMID- 29220178 TI - Equilibrium between a Droplet and Surrounding Vapor: A Discussion of Finite Size Effects. AB - In a theoretical description of homogeneous nucleation one frequently assumes an "equilibrium" coexistence of a liquid droplet with surrounding vapor of a density exceeding that of a saturated vapor at bulk vapor-liquid two-phase coexistence. Thereby one ignores the caveat that in the thermodynamic limit, for which the vapor would be called supersaturated, such states will at best be metastable with finite lifetime, and thus not be well-defined within equilibrium statistical mechanics. In contrast, in a system of finite volume stable equilibrium coexistence of droplet and supersaturated vapor at constant total density is perfectly possible, and numerical analysis of equilibrium free energies of finite systems allows to obtain physically relevant results. In particular, such an analysis can be used to derive the dependence of the droplet surface tension gamma( R) on the droplet radius R by computer simulations. Unfortunately, however, the precision of the results produced by this approach turns out to be seriously affected by a hitherto unexplained spurious dependence of gamma( R) on the total volume V of the simulation box. These finite size effects are studied here for the standard Ising/lattice gas model in d = 2 dimensions and an Ising model on the face-centered cubic lattice with 3-spin interaction, lacking symmetry between vapor and liquid phases. There also the analogous case of bubbles surrounded by undersaturated liquid is treated. It is argued that (at least a large part of) the finite size effects result from the translation entropy of the droplet or bubble in the system. This effect has been shown earlier to occur also for planar interfaces for simulations in the slab geometry. Consequences for the estimation of the Tolman length are briefly discussed. In particular, we find clear evidence that in d = 2 the leading correction of the curvature-dependent interface tension is a logarithmic term, compatible with theoretical expectations, and we show that then the standard Tolman-style analysis is inapplicable. PMID- 29220175 TI - Spectroscopic Signature for Stable beta-Amyloid Fibrils versus beta-Sheet-Rich Oligomers. AB - We use two-dimensional IR (2D IR) spectroscopy to explore fibril formation for the two predominant isoforms of the beta-amyloid (Abeta1-40 and Abeta1-42) protein associated with Alzheimer's disease. Two-dimensional IR spectra resolve a transition at 1610 cm-1 in Abeta fibrils that does not appear in other Abeta aggregates, even those with predominantly beta-sheet-structure-like oligomers. This transition is not resolved in linear IR spectroscopy because it lies under the broad band centered at 1625 cm-1, which is the traditional infrared signature for amyloid fibrils. The feature is prominent in 2D IR spectra because 2D lineshapes are narrower and scale nonlinearly with transition dipole strengths. Transmission electron microscopy measurements demonstrate that the 1610 cm-1 band is a positive identification of amyloid fibrils. Sodium dodecyl sulfate micelles that solubilize and disaggregate preaggregated Abeta samples deplete the 1625 cm 1 band but do not affect the 1610 cm-1 band, demonstrating that the 1610 cm-1 band is due to very stable fibrils. We demonstrate that the 1610 cm-1 transition arises from amide I modes by mutating out the only side-chain residue that could give rise to this transition, and we explore the potential structural origins of the transition by simulating 2D IR spectra based on Abeta crystal structures. It was not previously possible to distinguish stable Abeta fibrils from the less stable beta-sheet-rich oligomers with infrared light. This 2D IR signature will be useful for Alzheimer's research on Abeta aggregation, fibril formation, and toxicity. PMID- 29220179 TI - Stabilization of Saturated Carbocations in Condensed Phases. AB - Based on the experimentally established mechanism of hyperconjugative stabilization of the simplest saturated carbocations [Stoyanov, E. S.; et al. PCCP, 2017, 19, 7270], the infrared spectra of t-alkyl+ and methyl-cyclo-pentyl+ carbocations were interpreted. This approach allows us to extract new information about the electronic state of (CH3)2C+R cations with R = H, CH3, C2H5, C4H7, and CH(CH3)2, namely, the electron density distribution over the (CH3)2C group and the positive charge dispersion on the H atoms of this group. Thus, donation of the electron density to the empty 2pz orbital of the sp2 C atom occurs not only from one C-H bond oriented parallel to the 2pz orbital but also equally from all other C-H and C-C bonds of the molecular group involved in hyperconjugation. This mechanism preserved the isoelectronic nature of this group toward the corresponding groups of the neutral alkanes. Hyperconjugation and polarization are closely linked in stabilization of carbocations: the strengthening of one effect weakens the second and vice versa without changing the efficiency of scattering of the positive charge in the carbocation. In the condensed phase, carbocations are additionally stabilized by the bulk effect and hydrogen bonding with the environment: increasing H-bonding strength increased hyperconjugation and decreased polarization. The contribution of all the effects on the stabilization of carbocations was evaluated. PMID- 29220180 TI - Securamine Derivatives from the Arctic Bryozoan Securiflustra securifrons. AB - Bryozoans belonging to the Flustridae family have proven to be a rich source of structurally unique secondary metabolites. As part of our continuing search for bioactive secondary metabolites from Arctic marine invertebrates, the organic extract of Securiflustra securifrons was examined. This resulted in the isolation of three new halogenated, hexacyclic indole-imidazole alkaloids, securamines H-J (1-3), together with the previously reported compounds securamines C (4) and E (5). The structures of the new compounds were elucidated by spectroscopic methods including 1D and 2D NMR and analysis of HRMS data. Through NMR and HRMS analysis, we were also able to prove that 1, 2, 4, and 5, when dissolved in MeOH, were converted into their corresponding artifacts, the securamine MeOH adducts m1, m2, m4, and m5. When redissolved in a non-nucleophilic solvent, the native variants were re-formed. We also found that 3 was a MeOH addition product of a native variant. Even though the structures of several securamines have been reported, their bioactivities were not examined. The securamines displayed various degrees of cytotoxicity against the human cancer cell lines A2058 (skin), HT-29 (colon), and MCF-7 (breast), as well as against nonmalignant human MRC-5 lung fibroblasts. Compounds 1, 2, and 5 were found to be active, with IC50 values against the cancer cell lines ranging from 1.4 +/- 0.1 to 10 +/- 1 MUM. The cytotoxicity of 1 was further evaluated and found to be time-dependent. PMID- 29220181 TI - N-Hydroxyphthalimide-Mediated Electrochemical Iodination of Methylarenes and Comparison to Electron-Transfer-Initiated C-H Functionalization. AB - An electrochemical method has been developed for selective benzylic iodination of methylarenes. The reactions feature the first use of N-hydroxyphthalimide as an electrochemical mediator for C-H oxidation to nonoxygenated products. The method provides the basis for direct (in situ) or sequential benzylation of diverse nucleophiles using methylarenes as the alkylating agent. The hydrogen-atom transfer mechanism for C-H iodination allows C-H oxidation to proceed with minimal dependence on the substrate electronic properties and at electrode potentials 0.5-1.2 V lower than that of direct electrochemical C-H oxidation. PMID- 29220182 TI - Total Synthesis of Reniochalistatin E. AB - Reniochalistatin E (1) is one of the five related cyclic peptides isolated from the marine sponge Reniochalina stalagmitis. The discovery of these compounds resulted from a screening program directed toward the identification of proline rich bioactive compounds. Reniochalistatin E is the only member of the family to possess a tryptophan amino acid residue. Given the cytotoxicity observed for 1, efforts were directed toward developing a synthetic route to 1. The first total synthesis of 1 has been accomplished in a 15-step route in an overall 5.0% yield. The synthetic sample of reniochalistatin E was shown to have similar activity toward HeLa and RPMI-8226 cell lines compared to the natural sample, with IC50 values of 16.9 vs 17.3 MUM and 4.5 vs 4.9 MUM, respectively. Interestingly, both of the fully deprotected octapeptides constructed toward the synthesis of reniochalistatin E were shown to have cytotoxicity. The route provides a means to probe the structure-activity relationship of 1 and further biological investigations. PMID- 29220183 TI - Catalytic Nucleophilic Allylation Driven by the Water-Gas Shift Reaction. AB - The ruthenium-catalyzed allylation of aldehydes with allylic pro-nucleophiles has been demonstrated to be an efficient means to form carbon-carbon bonds under mild conditions. The evolution of this reaction from the initial serendipitous discovery to its general synthetic scope is detailed, highlighting the roles of water, CO, and amine in the generation of a more complete catalytic cycle. The use of unsymmetrical allylic pro-nucleophiles was shown to give preferential product formation through the modulation of reaction conditions. Both (E) cinnamyl acetate and vinyl oxirane were efficiently used to form the anti branched products (up to >20:1 anti/syn) and E-linear products (up to >20:1 E/Z) in high selectivity with aromatic, alpha,beta-unsaturated, and aliphatic aldehydes, respectively. Attempts to render the reaction enantioselective are highlighted and include enantioenrichment of up to 75:25 for benzaldehyde. PMID- 29220184 TI - Matrix-Isolation and Quantum-Chemical Analysis of the C3v Conformer of XeF6, XeOF4, and Their Acetonitrile Adducts. AB - A joint experimental-computational study of the molecular structure and vibrational spectra of the XeF6 molecule is reported. The vibrational frequencies, intensities, and in particular the isotopic frequency shifts of the vibrational spectra for 129XeF6 and 136XeF6 isotopologues recorded in the neon matrix agree very well with those obtained from relativistic coupled-cluster calculations for XeF6 in the C3v structure, thereby strongly supporting the observation of the C3v conformer of the XeF6 molecule in the neon matrix. A C3v transition state connecting the C3v and Oh local minima is located computationally. The calculated barrier of 220 cm-1 between the C3v minima and the transition state corroborates the experimental observation of the C3v conformer and the absence of the Oh conformer in solid noble gas matrices. For comparison matrix-isolation spectra have also been recorded and analyzed for the 129XeOF4 and the 136XeOF4 isotopologues. The matrix-isolation complexation shifts obtained for the XeF6.NCCH3 relative to those of free matrix isolated XeF6 and CH3CN are in good agreement with those reported for crystalline XeF6.NCCH3. PMID- 29220185 TI - Regioselective Synthesis of Bicyclic and Polycyclic Systems by Cycloaddition Reactions of Alkenyl p-Benzoquinones. AB - An efficient [3 + 2]/[4 + 2] or double [4 + 2] cycloaddition strategy has been established for the synthesis of heterocyclic systems under mild conditions. The reaction pathway is governed by the nature of reaction partner. Several dihydrofurocoumarin, furopyranocoumarin, dihydrofuran, dihydrobenzopyran, and dihydrobenzofuran derivatives were obtained as single diastereomers from cyclic or acyclic enol ethers and styrenes. This one-pot transformation constructed C-C and C-O bonds and generated molecular complexity by domino/tandem process to produce the heterocyclic systems in good yields. The ring closure of domino protocol was highly stereoselective and resulted in the formation of cis-fused systems. PMID- 29220186 TI - Detection of CO2*- in the Electrochemical Reduction of Carbon Dioxide in N,N Dimethylformamide by Scanning Electrochemical Microscopy. AB - The electrocatalytic reduction of CO2 has been studied extensively and produces a number of products. The initial reaction in the CO2 reduction is often taken to be the 1e formation of the radical anion, CO2*-. However, the electrochemical detection and characterization of CO2*- is challenging because of the short lifetime of CO2*-, which can dimerize and react with proton donors and even mild oxidants. Here, we report the generation and quantitative determination of CO2*- in N,N-dimethylformamide (DMF) with the tip generation/substrate collection (TG/SC) mode of scanning electrochemical microscopy (SECM). CO2 was reduced at a hemisphere-shaped Hg/Pt ultramicroelectrode (UME) or a Hg/Au film UME, which were utilized as the SECM tips. The CO2*- produced can either dimerize to form oxalate within the nanogap between SECM tip and substrate or collected at SECM substrate (e.g., an Au UME). The collection efficiency (CE) for CO2*- depends on the distance (d) between the tip and substrate. The dimerization rate (6.0 * 108 M-1 s-1) and half-life (10 ns) of CO2*- can be evaluated by fitting the collection efficiency vs distance curve. The dimerized species of CO2*-, oxalate, can also be determined quantitatively. Furthermore, the formal potential (E0') and heterogeneous rate constant (k0) for CO2 reduction were determined with different quaternary ammonium electrolytes. The significant difference in k0 is due to a tunneling effect caused by the adsorption of the electrolytes on the electrode surface at negative potentials. PMID- 29220187 TI - Oscillatory Magnetic Circular Dichroism of Free-Carrier Absorption and Determination of the Rashba Dispersions in Hybrid Organic-Inorganic Perovskites. AB - Free-carrier absorption (FCA) in a semiconductor provides information about the band on which the free carriers reside, and in the classical limit, follows the omega-2 law with omega being the photon frequency. In hybrid organic-inorganic perovskites (HOIPs), the colossal Rashba effect (RE) results in a new band dispersion, characterized by wavevector |k| = k0 of band extremum and effective mass m*. Here we show that the colossal RE in two-dimensional HOIPs greatly enhances phonon-assisted FCA with a modified frequency dependence and induces a direct transition between the subbands with a resonance at homega = 4R = 2h2k02/m*, which, under a magnetic field, exhibits a strong oscillatory magnetic circular dichroism (MCD). The MCD spectrum allows a complete and reliable determination of k0 and m* for conduction and valence bands in HOIPs and helps reveal the microscopic mechanism of their outstanding photovoltaic performance. PMID- 29220188 TI - Instability Mechanisms of Water-in-Oil Nanoemulsions with Phospholipids: Temporal and Morphological Structures. AB - Many food preparations, pharmaceuticals, and cosmetics use water-in-oil (W/O) emulsions stabilized by phospholipids. Moreover, recent technological developments try to produce liposomes or lipid coated capsules from W/O emulsions, but are faced with colloidal instabilities. To explore these instability mechanisms, emulsification by sonication was applied in three cycles, and the sample stability was studied for 3 h after each cycle. Clearly identifiable temporal structures of instability provide evidence about the emulsion morphology: an initial regime of about 10 min is shown to be governed by coalescence after which Ostwald ripening dominates. Transport via molecular diffusion in Ostwald ripening is commonly based on the mutual solubility of the two phases and is therefore prohibited in emulsions composed of immiscible phases. However, in the case of water in oil emulsified by phospholipids, these form water-loaded reverse micelles in oil, which enable Ostwald ripening despite the low solubility of water in oil, as is shown for squalene. As is proved for the phospholipid dipalmitoylphosphatidylcholine (DPPC), concentrations below the critical aggregation concentration (CAC) form monolayers at the interfaces and smaller droplet sizes. In contrast, phospholipid concentrations above the CAC create complex multilayers at the interface with larger droplet sizes. The key factors for stable W/O emulsions in classical or innovative applications are first, the minimization of the phospholipids' capacity to form reversed micelles, and second, the adaption of the initial phospholipid concentration to the water content to enable an optimized coverage of phospholipids at the interfaces for the intended drop size. PMID- 29220189 TI - Plasmon-Induced Ultrafast Hydrogen Production in Liquid Water. AB - Hydrogen gas production from solar water splitting provides a renewable energy cycle to address the grand global energy challenge; however, its dynamics and fundamental mechanism remain elusive. We directly explore by first-principles the ultrafast electron-nuclear quantum dynamics on the time scale of ~100 fs during water photosplitting on a plasmonic cluster embedded in liquid water. Water molecule splitting is assisted by rapid proton transport in liquid water in a Grotthuss-like mechanism. We identify that a plasmon-induced field enhancement effect dominates water splitting, while charge transfer from gold to the antibonding orbital of a water molecule also plays an important role. "Chain reaction" like rapid H2 production is observed via the combination of two hydrogen atoms from different water molecules. These results provide a route toward a complete understanding of water photosplitting in the ultimate time and spatial limit. PMID- 29220190 TI - A Total Synthesis of the Antifungal Deoxyaminocyclitol Nabscessin B from l-(+) Tartaric Acid. AB - Aminocyclitol 2, a recently isolated and notable antifungal agent, was prepared from homochiral gamma-hydroxycyclohexenone 4, which is itself available in six steps from l-(+)-tartaric acid (3). The well-defined rigidifying effect arising from the 1,2-diacetal protecting group associated with compound 4 and its derivatives allows for high levels of regio- and stereo-chemical control in the manipulation of the cyclitol framework. PMID- 29220191 TI - Electric Fields and Fast Protein Dynamics in Enzymes. AB - In recent years, there has been much discussion regarding the origin of enzymatic catalysis and whether including protein dynamics is necessary for understanding catalytic enhancement. An important contribution in this debate was made with the application of the vibrational Stark effect spectroscopy to measure electric fields in the active site. This provided a window on electric fields at the transition state in enzymatic reactions. We performed computational studies on two enzymes where we have shown that fast dynamics is part of the reaction mechanism and calculated the electric field near the bond-breaking event. We found that the fast motions that we had identified lead to an increase of the electric field, thus preparing an enzymatic configuration that is electrostatically favorable for the catalytic chemical step. We also studied the enzyme that has been the subject of Stark spectroscopy, ketosteroid isomerase, and found electric fields of a similar magnitude to the two previous examples. PMID- 29220192 TI - Fluidic Microactuation of Flexible Electrodes for Neural Recording. AB - Soft and conductive nanomaterials like carbon nanotubes, graphene, and nanowire scaffolds have expanded the family of ultraflexible microelectrodes that can bend and flex with the natural movement of the brain, reduce the inflammatory response, and improve the stability of long-term neural recordings. However, current methods to implant these highly flexible electrodes rely on temporary stiffening agents that temporarily increase the electrode size and stiffness thus aggravating neural damage during implantation, which can lead to cell loss and glial activation that persists even after the stiffening agents are removed or dissolve. A method to deliver thin, ultraflexible electrodes deep into neural tissue without increasing the stiffness or size of the electrodes will enable minimally invasive electrical recordings from within the brain. Here we show that specially designed microfluidic devices can apply a tension force to ultraflexible electrodes that prevents buckling without increasing the thickness or stiffness of the electrode during implantation. Additionally, these "fluidic microdrives" allow us to precisely actuate the electrode position with micron scale accuracy. To demonstrate the efficacy of our fluidic microdrives, we used them to actuate highly flexible carbon nanotube fiber (CNTf) microelectrodes for electrophysiology. We used this approach in three proof-of-concept experiments. First, we recorded compound action potentials in a soft model organism, the small cnidarian Hydra. Second, we targeted electrodes precisely to the thalamic reticular nucleus in brain slices and recorded spontaneous and optogenetically evoked extracellular action potentials. Finally, we inserted electrodes more than 4 mm deep into the brain of rats and detected spontaneous individual unit activity in both cortical and subcortical regions. Compared to syringe injection, fluidic microdrives do not penetrate the brain and prevent changes in intracranial pressure by diverting fluid away from the implantation site during insertion and actuation. Overall, the fluidic microdrive technology provides a robust new method to implant and actuate ultraflexible neural electrodes. PMID- 29220193 TI - Reactivity of Sulfur Molecules on MoO3 (010) Surface. AB - Two-dimensional and layered MoS2 is a promising candidate for next-generation electric devices due to its unique electronic, optical, and chemical properties. Chemical vapor deposition (CVD) is the most effective way to synthesize MoS2 monolayer on a target substrate. During CVD synthesis, sulfidation of MoO3 surface is a critical reaction step, which converts MoO3 to MoS2. However, initial reaction steps for the sulfidation of MoO3 remain to be fully understood. Here, we report first-principles quantum molecular dynamics (QMD) simulations for the initiation dynamics of sulfidation of MoO3 (010) surface using S2 and S8 molecules. We found that S2 molecule is much more reactive on the MoO3 surface than S8 molecule. Furthermore, our QMD simulations revealed that a surface O vacancy on the MoO3 surface makes the sulfidation process preferable kinetically and thermodynamically. Our work clarifies an essential role of surface defects to initiate and accelerate the reaction of MoO3 and gas-phase sulfur precursors for CVD synthesis of MoS2 layers. PMID- 29220194 TI - Unraveling the Electronic Structure of Narrow Atomically Precise Chiral Graphene Nanoribbons. AB - Recent advances in graphene-nanoribbon-based research have demonstrated the controlled synthesis of chiral graphene nanoribbons (chGNRs) with atomic precision using strategies of on-surface chemistry. However, their electronic characterization, including typical figures of merit like band gap or frontier band's effective mass, has not yet been reported. We provide a detailed characterization of (3,1)-chGNRs on Au(111). The structure and epitaxy, as well as the electronic band structure of the ribbons, are analyzed by means of scanning tunneling microscopy and spectroscopy, angle-resolved photoemission, and density functional theory. PMID- 29220195 TI - Vibronic Ground-State Degeneracies and the Berry Phase: A Continuous Symmetry Perspective. AB - We develop a geometric construction to prove the inevitability of the electronic ground-state (adiabatic) Berry phase for a class of Jahn-Teller (JT) models with maximal continuous symmetries and N > 2 intersecting electronic states. Given that vibronic ground-state degeneracy in JT models may be seen as a consequence of the electronic Berry phase and that any JT problem may be obtained from the subset that we investigate in this Letter by symmetry-breaking, our arguments reveal the fundamental origin of the vibronic ground-state degeneracy of JT models. PMID- 29220196 TI - Compatibility of PEGylated Polymer Nanoparticles with the Biophysical Function of Lung Surfactant. AB - To minimize an unwanted interference of colloidal drug delivery vehicles with the biophysical functionality of lung surfactant, the surface of polymer nanoparticles was modified with poly(ethylene glycol) (PEGylation). Plain poly(lactide) nanoparticles provoked a statistically relevant decrease in the surface activity of the naturally derived lung surfactant, Alveofact. By contrast, the extent of lung surfactant inhibition induced by PEGylated polymer nanoparticles was significantly attenuated. Here, escalations of the PEG coating layer thickness (>3 nm, with a chain-to-chain distance of <=4 nm) on the colloidal surface were capable of circumventing bioadverse effects. Accordingly, polymer nanoparticles equipped with PEG chains with a molecular weight above 2-5 kDa were compatible with the biophysical function of Alveofact. Overall, PEGylation of polymer nanoparticles presents a promising approach for the development of inhalation nanomedicines revealing negligible effects on the surface activity of the lining layer present in the deep lungs. PMID- 29220197 TI - Lewis Base-Boryl Radicals Enabled the Desulfurizative Reduction and Annulation of Thioamides. AB - A new protocol for radical transformations of thioamides promoted by Lewis base boryl radicals is reported. The desulfurizative reduction to access organic amines was enabled utilizing 4-dimethylaminopyridine-BH3 as the boryl radical precursor and PhSH as the polarity reversal catalyst. Alternatively, the chain process for unsaturated thioamides was switched to an annulation reaction using N heterocyclic carbene-BH3 as the boryl radical precursor and sterically bulky Ph3CSH as the catalyst, allowing for the construction of N-heterocyclic and carbocyclic skeletons. PMID- 29220198 TI - Biobanking Genetic Material for Agricultural Animal Species. AB - Biobanking animal germplasm and tissues is a major component of conserving genetic resources. Effectively constructing such gene banks requires an understanding and evaluation of genetic resources, the ability to conserve various tissues through cryopreservation, and a robust information technology infrastructure to allow managers and potential users to fully understand and make use of the collection. Progress has been made internationally in developing national genetic resource collections. As these collections have been developed, it has become apparent that gene banks can serve a multitude of roles, thereby serving short- and long-term needs of research communities and industry. This article documents the development of gene banks and provides examples of how they have been used to date and the extent to which they have captured genetic diversity for future use. PMID- 29220199 TI - Risk Factors for Gaps in Care during Transfer from Pediatric to Adult Cystic Fibrosis Programs in the United States. AB - RATIONALE: With improved survival into adulthood, the number of dedicated adult cystic fibrosis (CF) care programs has expanded in the United States over the past decade. Transfer from pediatric to adult CF programs represents a potential time for lapses in recommended health care. OBJECTIVES: To describe variability in transfer between pediatric and adult CF care programs and to identify factors associated with prolonged gaps in care. METHODS: Using the U.S. CF Foundation Patient Registry, we identified individuals with CF who transferred care from a pediatric to an adult CF care program during 2007 to 2013. A gap in care was defined as the time in days between the last recorded pediatric encounter and the first recorded adult encounter. A hierarchical multivariable regression model was applied to investigate the effect of program- and patient-level factors on gaps in care. RESULTS: There were 1,946 individuals at 155 pediatric CF programs who transferred to an adult CF program during the analytic period. The mean age at transfer was 21.1 years, with 68% transferring care between ages 18 and 21 years. The mean gap in care during transfer was 183 days (median, 106 d; range, 2-1,843 d); 47% had a less than 100-day gap, and 13% had a greater than or equal to 365 day gap (prolonged gap). Prolonged gaps in care were more likely to occur among those younger than age 18 years (odds ratio, 3.33; 95% confidence interval, 2.06 5.37) at the time of transfer and those who transferred to an adult program that was in a different city from their pediatric or affiliate program (odds ratio, 2.16; 95% confidence interval, 1.48-3.17). Having any health insurance coverage was associated with decreased likelihood of prolonged gaps (private insurance vs. no insurance [odds ratio, 0.15; 95% confidence interval, 0.09-0.23] or any government insurance versus no insurance [odds ratio, 0.11; 95% confidence interval, 0.07-0.18]). Lung function, nutritional status, and receipt of intravenous antibiotics in the final year of pediatric care were not associated with the length of gap in care during transfer. CONCLUSIONS: In the United States, the majority of individuals transferring from pediatric to adult CF care do so between ages 18 and 21 years. A minority had a gap greater than or equal to 365 days during transfer to adult care, suggesting that most did not have a disruption in recommended quarterly care visits during the transfer period. Risk factors for prolonged gaps in care include younger age at transfer, lack of health insurance, and relocation. Care coordination during transition in CF may minimize lapses in care by identifying and more closely addressing the needs of individuals at highest risk. PMID- 29220201 TI - Engineering Hydrogel Microenvironments to Recapitulate the Stem Cell Niche. AB - Stem cells are a powerful resource for many applications including regenerative medicine, patient-specific disease modeling, and toxicology screening. However, eliciting the desired behavior from stem cells, such as expansion in a naive state or differentiation into a particular mature lineage, remains challenging. Drawing inspiration from the native stem cell niche, hydrogel platforms have been developed to regulate stem cell fate by controlling microenvironmental parameters including matrix mechanics, degradability, cell-adhesive ligand presentation, local microstructure, and cell-cell interactions. We survey techniques for modulating hydrogel properties and review the effects of microenvironmental parameters on maintaining stemness and controlling differentiation for a variety of stem cell types. Looking forward, we envision future hydrogel designs spanning a spectrum of complexity, ranging from simple, fully defined materials for industrial expansion of stem cells to complex, biomimetic systems for organotypic cell culture models. PMID- 29220200 TI - A Practical Approach to Severe Asthma in Children. AB - Severe asthma accounts for only a small proportion of the children with asthma but a disproportionately high amount of resource utilization and morbidity. It is a heterogeneous entity and requires a step-wise, evidence-based approach to evaluation and management by pediatric subspecialists. The first step is to confirm the diagnosis by eliciting confirmatory history and objective evidence of asthma and excluding possible masquerading diagnoses. The next step is to differentiate difficult-to-treat asthma, asthma that can be controlled with appropriate management, from asthma that requires the highest level of therapy to maintain control or remains uncontrolled despite management optimization. Evaluation of difficult-to-treat asthma includes an assessment of medication delivery, the home environment, and, if possible, the school and other frequented locations, the psychosocial situation, and comorbid conditions. Once identified, aggressive management of issues related to poor adherence and drug delivery, remediation of environmental triggers, and treatment of comorbid conditions is necessary to characterize the degree of control that can be achieved with standard therapies. For the small proportion of patients whose disease remains poorly controlled with these interventions, the clinician may assess steroid responsiveness and determine the inflammatory pattern and eligibility for biologic therapies. Management of severe asthma refractory to traditional therapies involves considering the various biologic and other newly approved treatments as well as emerging therapies based on the individual patient characteristics. PMID- 29220202 TI - Comparison of UV-C and Pulsed UV Light Treatments for Reduction of Salmonella, Listeria monocytogenes, and Enterohemorrhagic Escherichia coli on Eggs. AB - Ten percent of all strong-evidence foodborne outbreaks in the European Union are caused by Salmonella related to eggs and egg products. UV light may be used to decontaminate egg surfaces and reduce the risk of human salmonellosis infections. The efficiency of continuous UV-C (254 nm) and pulsed UV light for reducing the viability of Salmonella Enteritidis, Listeria monocytogenes, and enterohemorrhagic Escherichia coli on eggs was thoroughly compared. Bacterial cells were exposed to UV-C light at fluences from 0.05 to 3.0 J/cm2 (10 mW/cm2, for 5 to 300 s) and pulsed UV light at fluences from 1.25 to 18.0 J/cm2, resulting in reductions ranging from 1.6 to 3.8 log, depending on conditions used. Using UV-C light, it was possible to achieve higher reductions at lower fluences compared with pulsed UV light. When Salmonella was stacked on a small area or shielded in feces, the pulsed UV light seemed to have a higher penetration capacity and gave higher bacterial reductions. Microscopy imaging and attempts to contaminate the interior of the eggs with Salmonella through the eggshell demonstrated that the integrity of the eggshell was maintained after UV light treatments. Only minor sensory changes were reported by panelists when the highest UV doses were used. UV-C and pulsed UV light treatments appear to be useful decontamination technologies that can be implemented in continuous processing. PMID- 29220203 TI - Recent advances in fertility preservation and counseling for female cancer patients. AB - INTRODUCTION: Ensuring quality of life for increasing numbers of women surviving cancer has become a key challenge. Patients need to be counseled on potential fertility loss resulting from gonadotoxic treatments, and referred to fertility specialists to discuss existing options and available results. Areas covered: Fertility preservation options have existed for over twenty years. The proposed fertility preservation approach depends on patient age, the urgency of required chemotherapy, and psychosocial factors such as financial concerns, especially in countries where techniques are not covered by social security. Efficacy in terms of pregnancy rates has been demonstrated with frozen-thawed embryos, oocytes and re-implanted ovarian tissue. Appropriate counseling by oncologists is on the increase, despite persistently low rates of referral to fertility specialists. Expert commentary: Access to oncofertility services is steadily improving, facilitated by the growing involvement of public healthcare systems and sustained efforts all over the world to establish specific oncofertility programs. Early referral to reproductive specialists before initiation of chemo/radiotherapy is crucial to success in the field of female fertility preservation. In the near future, efforts should focus on increasing patient referrals and establishing international registries on short- and long-term outcomes of fertility preservation strategies. PMID- 29220204 TI - Attention Deficit Hyperactivity Disorder (ADHD): Controversy, Developmental Mechanisms, and Multiple Levels of Analysis. AB - Controversy abounds regarding the symptom dimensions of attention problems, impulsivity, and hyperactivity, developmentally extreme and impairing levels of which compose the diagnostic category of attention deficit hyperactivity disorder (ADHD). I highlight causal factors, underlying mechanisms, developmental trajectories, and female manifestations of ADHD, integrating the psychobiological underpinnings of this syndrome with contextual factors related to its clinical presentation, impairments, and soaring increases in diagnosed prevalence. Indeed, despite strong heritability, ADHD is expressed via transactional patterns of influence linked to family-, school-, peer-, neighborhood-, and policy-related factors. Moreover, intervention strategies must take into account both pharmacologic and behavioral modalities if the goal is to enhance competencies, rather than symptom reduction per se. A comprehensive understanding of ADHD mandates multiple levels of analysis-spanning genes, neurotransmission, brain pathways, individual skill levels, family socialization, peer relationships, and educational and cultural forces-which must be integrated and synthesized to surpass reductionist accounts, reduce stigma, and maximize the impact of prevention- and intervention-related efforts. PMID- 29220206 TI - Aerobic training but no resistance training increases SIRT3 in skeletal muscle of sedentary obese male adolescents. AB - In recent years, prevalence of obesity in children and adolescents has increased. A strategy for prevention and management of obesity is aerobic training (AT) due to its effectiveness to decrease fat mass. AT increases the content of SIRT3, a mitochondrial protein that increases the expression of PGC-1alpha and NFR1, thereby enhances mitochondrial function and metabolic health. Resistance training (RT) provides metabolic benefits but its effect on SIRT3 content is unknown. To compare the effect of AT and RT on SIRT3, PGC-1alpha and NRF-1 protein levels in skeletal muscle of sedentary obese adolescents. Twenty-seven sedentary obese male adolescents (age: 16.7 +/- 0.9 years; BMI: 33.7 +/- 4.3 kg/m2) completed a 1 month control period prior to randomization to one of two supervised exercise protocols: AT (3 days/week, 40 min/day, 70-80% peak heart rate) or RT (3 days/week, 11 exercises, 2 sets/exercise, 12 repetitions/set) for 12 weeks. Biopsies were obtained from the vastus lateralis muscle before and after 12 weeks to analyse SIRT3, PGC-1alpha and NRF-1 proteins content. Peak oxygen consumption (VO2peak) and anthropometric variables were evaluated before and after training. AT increased SIRT3 content, which was associated with improvements in PGC-1alpha content and body fat percentage. RT did not affect SIRT3 or PGC-1alpha. VO2peak increased only in AT. The increase in muscle mitochondrial SIRT3 was observed only following AT. In contrast, RT increased muscle mass without improving SIRT3 in obese male adolescents. PMID- 29220205 TI - Hematocrit Is Associated with Thermal Tolerance and Modulated by Developmental Temperature in Juvenile Chinook Salmon. AB - To evaluate whether oxygen-carrying capacity influences thermal tolerance in fishes, we reared four Chinook salmon families in present-day (+0 degrees C) and possible future (+4 degrees C) temperatures and assessed the response of hematocrit (Hct) to acute temperature stress. In the +4 degrees C treatment, Hct increased above control levels when juvenile fish were exposed to their critical thermal maximum (CTmax). Conversely, no effect of temperature stress on Hct was found in the +0 degrees C treatment. Hct was positively associated with CTmax ([Formula: see text]; [Formula: see text]), contributing to the CTmax of the +4 degrees C treatment being significantly higher than that of the +0 degrees C treatment (mean +/- SD, [Formula: see text] and [Formula: see text], respectively). The association between CTmax and Hct found here supports the hypothesis that thermal tolerance is affected by oxygen supply to tissue. Moreover, the developmental plasticity of CTmax and Hct could represent an adaptive mechanism for salmon faced with climate change. PMID- 29220207 TI - MR Imaging of Muscle Trauma: Anatomy, Biomechanics, Pathophysiology, and Imaging Appearance. AB - Muscle is an important component of the muscle-tendon-bone unit, driving skeletal motion through contractions that alter the length of the muscle. The muscle and myotendinous junction (MTJ) are most commonly injured in the young adult, as a result of indirect mechanisms such as overuse or stretching, direct impact (penetrating or nonpenetrating), or dysfunction of the supporting connective tissues. Magnetic resonance (MR) imaging is widely used for assessment of muscle injuries. This review illustrates the MR imaging appearance of a broad spectrum of acute, subacute, and chronic traumatic lesions of muscle, highlighting the pathophysiology, biomechanics, and anatomic considerations underlying these lesions. Concentric (shortening) contractions are more powerful, but it is eccentric (lengthening) contractions that produce the greatest muscle tension, leading to indirect injuries such as delayed-onset muscle soreness (DOMS) and muscle strain. Strain is the most commonly encountered muscle injury and is characteristically located at the MTJ, where maximal stress accumulates during eccentric exercise. The risk of strain varies among muscles based on their fiber composition, size, length, and architecture, with pennate muscles being at highest risk. Direct impact to muscle results in laceration or contusion, often accompanied by intramuscular interstitial hemorrhage and hematoma. Disorders related to the muscle's collagen framework include compartment syndrome, which is related to acute or episodic increases in pressure, and muscle herniation through anatomic defects in the overlying fascia. The healing response after muscle trauma can result in regeneration, degeneration with fibrosis and fatty replacement, or disordered tissue proliferation as seen in myositis ossificans. In athletes, accurate grading of the severity and precise location of injury is necessary to guide rehabilitation planning to prevent reinjury and ensure adequate healing. In elite athletes, MR imaging grading of muscle trauma plays an increasingly important role in recently developed comprehensive grading systems that are replacing the imprecise three-grade injury classification system currently used. (c)RSNA, 2017. PMID- 29220208 TI - Changing Utilization of Noninvasive Diagnostic Imaging Over 2 Decades: An Examination Family-Focused Analysis of Medicare Claims Using the Neiman Imaging Types of Service Categorization System. AB - OBJECTIVE: The objective of our study was to use a new modality and body region categorization system to assess changing utilization of noninvasive diagnostic imaging in the Medicare fee-for-service population over a recent 20-year period (1994-2013). MATERIALS AND METHODS: All Medicare Part B Physician Fee Schedule services billed between 1994 and 2013 were identified using Physician/Supplier Procedure Summary master files. Billed codes for diagnostic imaging were classified using the Neiman Imaging Types of Service (NITOS) coding system by both modality and body region. Utilization rates per 1000 beneficiaries were calculated for families of services. RESULTS: Among all diagnostic imaging modalities, growth was greatest for MRI (+312%) and CT (+151%) and was lower for ultrasound, nuclear medicine, and radiography and fluoroscopy (range, +1% to +31%). Among body regions, service growth was greatest for brain (+126%) and spine (+74%) imaging; showed milder growth (range, +18% to +67%) for imaging of the head and neck, breast, abdomen and pelvis, and extremity; and showed slight declines (range, -2% to -7%) for cardiac and chest imaging overall. The following specific imaging service families showed massive (> +100%) growth: cardiac CT, cardiac MRI, and breast MRI. CONCLUSION: NITOS categorization permits identification of temporal shifts in noninvasive diagnostic imaging by specific modality- and region-focused families, providing a granular understanding and reproducible analysis of global changes in imaging overall. Service family-level perspectives may help inform ongoing policy efforts to optimize imaging utilization and appropriateness. PMID- 29220209 TI - Making Time for Patients: Positive Impact of Direct Patient Reporting. AB - OBJECTIVE: Using a novel patient-centric approach, we assessed the impact of direct patient radiology reporting on the patient experience and patient perception of radiologists in a high-volume head and neck clinic. MATERIALS AND METHODS: A single head and neck surgeon at a large academic center identified prospective outpatients who met the following inclusion criteria: having received treatment for head and neck cancer and having recently undergone surveillance imaging using the Neck Imaging Reporting and Data System template at our institution. The surgeon introduced the concept and gave patients a survey with questions before and after the radiology consultation. The radiologist met with the patient in the head and neck clinic's examination room, explaining the role of the radiologist and reviewing imaging findings. RESULTS: Twenty-seven patients completed surveys. An improved understanding of the role of the radiologist was noted (41% of patients before consultation vs 67% after consultation). After the consultation, fewer patients (56-22%) wanted to hear from the referring physician only, and more patients wanted to hear from the radiologist only (26-44%) or from both the referring physician and the radiologist (19-33%). A total of 70-93% of patients had an improved understanding of imaging findings and follow-up recommendations after meeting with the radiologist. Most patients expressed an interest in reviewing future studies with a radiologist (93%) and found the consultation helpful (96%). CONCLUSION: Direct patient reporting by the radiologist is feasible in a high-volume head and neck clinic and has a positive impact on the patient experience. Major factors that enabled direct patient reporting included our embedded reading room and the use of a standardized reporting template. After the consultation, more patients wanted to receive information from the radiologist and had a better understanding of the imaging results. PMID- 29220210 TI - Contrast-Enhanced Ultrasound of the Liver: Optimizing Technique and Clinical Applications. AB - OBJECTIVE: The purpose of this article is to review the general principles, technique, and clinical applications of contrast-enhanced ultrasound of the liver. CONCLUSION: Proper technique and optimization of contrast-enhanced ultrasound require a balance between maintaining the integrity of the microbubble contrast agent and preserving the ultrasound signal. Established and emerging applications in the liver include diagnosis of focal lesions, aiding ultrasound guided intervention, monitoring of therapy, and aiding surgical management. PMID- 29220211 TI - Percutaneous Image-Guided Cryoneurolysis. AB - OBJECTIVE: The aim of this article is to review the available evidence regarding image-guided percutaneous cryoneurolysis, with a focus on indications, technique, efficacy, and potential complications. CONCLUSION: Percutaneous image-guided cryoneurolysis is safe and effective for the management of several well-described syndromes involving neuropathic pain. Additional rigorous prospective study is warranted to further define the efficacy and specific role of these interventions. PMID- 29220212 TI - Comparison of Xenon-Enhanced Area-Detector CT and Krypton Ventilation SPECT/CT for Assessment of Pulmonary Functional Loss and Disease Severity in Smokers. AB - OBJECTIVE: The objective of this study was to compare the capability of xenon enhanced area-detector CT (ADCT) performed with a subtraction technique and coregistered 81mKr-ventilation SPECT/CT for the assessment of pulmonary functional loss and disease severity in smokers. SUBJECTS AND METHODS: Forty-six consecutive smokers (32 men and 14 women; mean age, 67.0 years) underwent prospective unenhanced and xenon-enhanced ADCT, 81mKr-ventilation SPECT/CT, and pulmonary function tests. Disease severity was evaluated according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) classification. CT-based functional lung volume (FLV), the percentage of wall area to total airway area (WA%), and ventilated FLV on xenon-enhanced ADCT and SPECT/CT were calculated for each smoker. All indexes were correlated with percentage of forced expiratory volume in 1 second (%FEV1) using step-wise regression analyses, and univariate and multivariate logistic regression analyses were performed. In addition, the diagnostic accuracy of the proposed model was compared with that of each radiologic index by means of McNemar analysis. RESULTS: Multivariate logistic regression showed that %FEV1 was significantly affected (r = 0.77, r2 = 0.59) by two factors: the first factor, ventilated FLV on xenon-enhanced ADCT (p < 0.0001); and the second factor, WA% (p = 0.004). Univariate logistic regression analyses indicated that all indexes significantly affected GOLD classification (p < 0.05). Multivariate logistic regression analyses revealed that ventilated FLV on xenon-enhanced ADCT and CT-based FLV significantly influenced GOLD classification (p < 0.0001). The diagnostic accuracy of the proposed model was significantly higher than that of ventilated FLV on SPECT/CT (p = 0.03) and WA% (p = 0.008). CONCLUSION: Xenon-enhanced ADCT is more effective than 81mKr ventilation SPECT/CT for the assessment of pulmonary functional loss and disease severity. PMID- 29220214 TI - Particle Capture by the Gills of Dreissena polymorpha: Structure and Function of Latero-frontal Cirri. AB - Microscopic techniques were used to examine the role of gill cirri in particle capture by Dreissena polymorpha. The latero-frontal cirri, formed from two fused ciliary plates, consist of about 40 pairs of cilia. Each cilium in the plate contains a typical 9 + 2 axoneme in the fused region of the cirrus, but the structure of the axoneme in the long, free ciliary tips is reduced. The cilia in a cirrus are graded in length, with the shortest cilia positioned frontally. The cirral cilia move in unison, allowing the cirrus to move from a flexed position with its tip arched over the front of the gill filament, to an extended position with the cirrus projected in the plane of the latero-frontal cell and extending across the interfilament space. In the latter position, the free ciliary tips of opposing and neighboring cirri form a "trap" (net) with a spacing of about 0.5 MUm. Observations with laser confocal microscopy indicated that these structures can physically trap particles <1 MUm in diameter. Particles captured by the extended cirri are moved to the frontal surface of the gill, where the cirri are swept by the lateralmost frontal cilia. During cirral movement the shift from extended to flexed position is, in part, achieved by the base of the cirrus pivoting at a hinge region. Morphologically, the hinge region shows axonemal specializations that consist of electron-dense plates and other structures of undefined function that may be important in the overall movement of the cirrus. In addition to trapping by cirri, we also observed particles moving in the water currents, particularly in the frontal current located over the apical surface of the filament, suggesting that some particles are captured in these water currents without being physically trapped. Probably, therefore, trapping by the cirri and establishment of water currents by the filaments both participate in the interception of particles by Dreissena polymorpha. PMID- 29220213 TI - Clinical Application of Biparametric MRI Texture Analysis for Detection and Evaluation of High-Grade Prostate Cancer in Zone-Specific Regions. AB - OBJECTIVE: The purpose of this study was to investigate the performance of biparametric MRI texture analysis (TA) in detecting and evaluating high-grade prostate cancer in zone-specific regions. MATERIALS AND METHODS: A retrospective study included 184 consecutively registered biopsy-naive patients in whom prostate cancer was suspected who were undergoing multiparametric prostate MRI. MR images were scored and evaluated by two readers using the Prostate Imaging Reporting and Data System version 2 (PI-RADSv2) and biparametric MRI TA in separate sessions. Interobserver agreement on PI-RADSv2 score and textural parameters of biparametric MRI was evaluated. The logistic regression model based on TA was built for different zones of the prostate. ROC analysis was used to compare the TA-based model with other parameters alone. The correlation of each parameter with Gleason score of high-grade prostate cancer was also assessed. RESULTS: Reader reliability ranged from moderate to good for PI-RADSv2 (Cohen kappa = 0.525-0.616) and from good to excellent for textural metrics (intraclass correlation coefficient, 0.745-0.925). Diagnostic performance was significantly improved by use of the TA-based model (transition zone AUC, 0.87; peripheral zone AUC, 0.89) in comparison with PI-RADSv2 and other texture parameters alone. For the transition zone, entropy had moderate to good correlation with the Gleason score of high-grade prostate cancer (r = 0.562, p = 0.004). In the peripheral zone, entropy (r = 0.614, p = 0.003) and inertia (r = 0.663, p = 0.002) had moderate to good correlations with Gleason score. CONCLUSION: The results of this clinical study indicate that a TA-based model that includes biparametric MRI can be used for identifying high-grade prostate cancer and that specific parameters extracted from TA may be additional tools for assessing tumor aggressiveness. PMID- 29220215 TI - Subunit Composition of the Crustacean Hemocyanins: Divergence in Incipient Speciation. AB - The monomeric subunit composition of the oxygen carrier hemocyanin was examined in samples of the Sesarma reticulatum complex and of Uca minax, both of which are believed to be in the process of speciation. The samples were taken on the Atlantic and Gulf of Mexico coasts, from disjunct populations that are believed to have been isolated by the Florida peninsula since the retreat of the last glacier. In Atlantic and Gulf samples of the S. reticulatum complex, which is believed to be in the terminal stages of speciation, the hemocyanins differed qualitatively. Several electrophoretic bands found in one group, including an invariant band, were totally absent from the other. This difference exceeds that reported in a previous investigation of a variety of polymorphic allozymes in this species complex. It also exceeds the physiologically labile differences in hemocyanins found previously within a panmictic species of brachyuran crustaceans. In U. minax, which is believed to have diverged less, Atlantic and Gulf animals expressed the same number of electrophoretic bands at exactly the same positions. Nonetheless, highly significant differences in band frequencies distinguished both Atlantic samples from the Gulf sample, and somewhat less significant differences distinguished the Atlantic cold temperate zone samples from the warm temperate zone ones. The phenotypes of the major bands, defined as those present in high densities, qualitatively distinguished Atlantic from Gulf animals, but they did not differentiate the two Atlantic samples. The difference between Atlantic and Gulf members of this species also exceeds that found previously among polymorphic allozymes. These findings further support the hypothesis that the hemocyanins are among the first proteins to diverge structurally in brachyuran speciation. PMID- 29220216 TI - Serotonergic Ligands Induce Spawning but not Oocyte Maturation in the Bivalve Mactra chinensis from Central Japan. AB - We examined the spawning sensitivity to serotonin and serotonergic ligands in the Japanese bivalve Mactra chinensis. Spawning was induced by both injected and externally applied scrotonin (5-hydroxytryptamine. 5-HT). The vertebrate 5-HT2 receptor agonist alpha-methyl 5-HT and the selective 5HT1A agonist 8-OH-DPAT were also effective at inducing spawning. However TFMPP (m trifluoromethylphenylpiperazine, a verterbrate 5-HT1 receptor agonist) and 1 methyl-chlorophenyl biguanide (a vertebrate 5-HT3 agonist) were not effective spawning inducers. The 5-HT-induced spawning was blocked by mianserin (a vertebrate 5-HT2 antagonist). The rank order of potency of the agonists was: 5-HT > alpha-methyl 5-HT > 8-OH-DPAT > TFMPP > 1-methyl-chlorophenyl biguanide; these data support a growing body of literature invoking a mixed 5-HT1/5-HT2 pharmacological profile for serotonin receptors mediating reproductive processes in bivalves. However, neither 5-HT nor 8-OH-DPAT induced germinal vesicle breakdown (GVBD) in Mactra oocytes. Sperm induced GVBD in a high percentage of oocytes. This is the first report of a bivalve in which spawning, but not GVBD, can be induced by 5-HT. This result might be expected because Mactra spawns germinal vesicle oocytes that normally undergo GVBD upon fertilization, but is in contrast to the case of the closely related Spisula spp. in which serotonin induces both processes. The ability of 5-HT to induce spawning but not GVBD makes Mactra chinensis a model organism for studying spawning and meiotic mechanisms in bivalves. PMID- 29220217 TI - Neuroethology of Orientation and Navigation: Introduction. PMID- 29220218 TI - Information Is Where You Find It. AB - A basic problem of foraging is how to obtain information about the location and quality of food. Relevant information is obtained from immediate stimulation, from previous sensory experience stored in memory, and through the genes. Apparently, even the simplest organisms can use information from all these sources. A good example comes from infective juveniles of the plant-parasitic nematode Meloidogyne incognita, which only feed after they locate the root of a suitable host plant. Available evidence indicates that carbon dioxide from host roots attracts the juveniles but that it would also be useful for the juveniles to move to an optimal soil depth in which to search for chemical gradients. Although there are few cues to soil depth, M. incognita is able to solve this problem in a surprising way. Juveniles can orient to extremely shallow temperature gradients that are nearly always present in the environment. The juveniles also have the peculiar property of moving toward a preferred temperature that is set several degrees above the temperature to which they are acclimated. Computer modeling of this behavior demonstrates that it provides a mechanism for moving to a particular soil depth. Although average temperature is the same at all depths, the amplitude of daily temperature variation declines with depth and provides the required information, which is extracted by interactions among environmental temperature, preferred temperature, rate of acclimation, rate of locomotion, and temperature range of locomotion. Pseudoplasmodia of the slime mold Dictyostelium have similar capabilities. This behavior resembles true navigation in that the stimulus used for guidance has no connection to the goal and suggests that even simple organisms can extract useful information from surprisingly complex stimulus patterns. PMID- 29220219 TI - Sensory Ecology: Introduction. PMID- 29220220 TI - Finding Food: Neuroethological Aspects of Foraging. Introduction to the Proceedings of a Symposium in Honor of Vincent Gaston Dethier (1915-1993). PMID- 29220221 TI - Dynamic Encoding of Odors With Oscillating Neuronal Assemblies in the Locust Brain. AB - The computational rules followed by the brain to encode complex, multidimensional stimuli such as natural odors are not well understood. In this review, we summarize results obtained in the olfactory system of an insect and present a hypothesis for odor representation in the brain. We propose that individual odors are represented by ensembles of neurons that are distributed both in space (the specific identities of the neurons forming an ensemble) and in time (the time at which each neuron participates in the ensemble response). In addition, we discuss the potential roles that periodic synchronization (oscillations) might play in this complex process. PMID- 29220223 TI - Temporal Shifts in Foraging Strategy: Introduction. PMID- 29220222 TI - Eddy Chemotaxis and Odor Landscapes: Exploration of Nature With Animal Sensors. PMID- 29220224 TI - Evolution of Intragonadal Development in the Diminutive Asterinid Sea Stars Patiriella vivipara and P. parvivipara with an Overview of Development in the Asterinidae. AB - The diminutive asterinid sea stars Patiriella vivipara and P. parvivipara incubate their embryos in the gonads to the advanced juvenile stage. Despite the small size of their eggs (135-150 MUm diameter), development is lecithotrophic. Development proceeds through the wrinkled blastula, gastrula, and brachiolaria larval stages. The gastrulae and larvae are uniformly ciliated and swim, propelled by the cilia, in the gonadal fluid. The brachiolaria is pear-shaped and has a vestigial brachiolar attachment complex composed of three small brachia. At no stage in development are the embryos attached to the gonad. Metamorphosis occurs as the larvae swim in the gonadal lumen. Internal development involves formation of one large enterocoel at the anterior end of the archenteron and one small posterior enterocoel on the left side of the archenteron. The archenteron closes to form the rudiment for the adult gut. As a result of the small size of the egg and the nonfeeding mode of development, the larvae of P. vivipara and P. parvivipara are minute, about 270 MUm and 210 {mu}m in length, respectively. Newly metamorphosed juveniles are about 240 MUm and 310 MUm in diameter, respectively. Postmetamorphic development involves substantial growth of the juveniles, which leave the parent at a diameter between 1.0 and 5.0 mm. The presence of a vestigial brachiolar complex and lecithotrophic development indicates that these species had a free-living lecithotrophic brachiolaria in their ancestry. We suggest that the evolution of viviparity in Patiriella sp. involved retention of a large egg by an ancestor that had a lecithotrophic brachiolaria followed by a secondary reduction in the size of the ovum and simplification of the larva. The range of life histories seen in Patiriella is atypical of asteroid genera and supports the contention that the evolution of viviparity and other modes of modified development in the Asteroidea follows phylogenetic lineages. PMID- 29220225 TI - Localization of Myosin on Tubulovesicular Organelles in the Squid Giant Axon by Immuno-EM. PMID- 29220227 TI - Method for Visualizing Filaments in Axoplasm by Electron Microscopy. PMID- 29220226 TI - Mitotic Spindle Fine Structures Observed With Polarized Light. PMID- 29220228 TI - An Ancient Chemosensory Mechanism Brings New Life to Coral Reefs. AB - The first scleractinians, progenitors of modern corals, began to appear 240 million years ago; by the late Jurassic (150 Ma) most families of modern corals had evolved and begun forming reefs (1, 2). Mechanisms controlling the recruitment of new corals to sustain these structures are, however, poorly understood (3). Corals, like many marine invertebrates, begin life as soft-bodied larvae that are dispersed in the plankton (3, 4). As the first step in developing a calcified coral colony, the larva must settle out of the plankton onto a suitable substratum and metamorphose to the single calcified polyp stage cemented to the reef (3, 5). Our analyses of the metamorphic requirements of larvae in divergent coral families surprised us by revealing the existence of a common chemosensory mechanism that is required to bring larvae out of the plankton and onto the reef. This mechanism appears to be quite old, predating both the phylogenetic divergence of these coral families and the development of different modes of coral reproduction. PMID- 29220229 TI - Birefringence Measurements of the Actin Bundle in the Acrosomal Processes of Limulus Sperm. PMID- 29220230 TI - Acute Cytotoxic Allogeneic Histoincompatibility Reactions Involving Gray Cells in the Marine Sponge, Callyspongia diffusa. AB - A variety of procedures were used in a study of the histoincompatibility reactions of Callyspongia diffusa. Rejection reactions as traditionally tested between laterally apposed intact fingers cut from two different sponges require about a week of contact to exhibit cytotoxicity. In a miniaturized assay involving reactions between small pieces of tissue snipped from sponges with scissors and pushed together on an insect pin, cytotoxicity is evident within 48 hours of contact. Reactions of cells dissociated by divalent cation removal and allowed to reaggregate in seawater were also studied. Aggregates produced from allogeneic mixtures of cells from two individuals were killed by internal cytotoxic reactions within 36 hours of the initiation of aggregation. After only one hour of aggregation, aggregates from allogeneic mixtures were significantly smaller than aggregates of cells from a single individual. This rapid slowing of aggregation is the earliest response to allogeneic contact that we noted and does not appear to reflect early cytotoxic processes. Apposition of an aggregate containing cells from one sponge to an aggregate containing cells from a second individual leads to mutual destruction. Aggregates harvested and apposed 4 hours after initiation of aggregation begin to show mutual cytotoxicity at 36 hours of contact. Aggregates placed in contact 48 hours after the initiation of aggregation exhibit cytotoxicity within 8 hours. These rapidly reacting 48-hour aggregates exhibit a pronounced accumulation of gray cells at the boundary of allogeneic contact by 8 hours. These results are interpreted as indicating at least five steps in the histoincompatibility reactions of C. diffusa: (1) recognition soon after allogeneic contact; (2) generation of signals that suppress cell aggregation and cell movement and attract gray cells to the boundary of contact; (3) acceleration of the sponge immune response--including the responsiveness of gray cells to accumulate at the boundary of allogeneic contact--by tissue trauma produced when the tissue is cut or dissociated it into individual cells; (4) arrival of gray cells at the boundary of allogeneic contact; and (5) initiation of cytotoxic processes. PMID- 29220231 TI - Characterization of Methyl Transferase Activity in the Mandibular Organ of the American Lobster, Homarus americanus. PMID- 29220232 TI - Arteries of the Foreflipper of the Harbor Seal (Phoca vitulina) as Represented by Contrast Arteriography. PMID- 29220233 TI - Direct Observation of Contact Digestion in Inside-Out Oriented Aurelia aurita Polyps. PMID- 29220234 TI - Digital Unsharp Masking Reveals Fine Detail in Images Obtained with New Spinning disk Confocal Microscope. PMID- 29220236 TI - Effect of SR Calcium Pump Inhibition on Relaxation and Power from Scup Red Muscle. PMID- 29220235 TI - Primordial Germ Cells of Synaptula hydriformis (Holothuroidea; Echinodermata) Are Epithelial Flagellated-Collar Cells: Their Apical-Basal Polarity Becomes Primary Egg Polarity. AB - The primordial germ cells (PGCs) of a recently metamorphosed juvenile Synaptula hydriformis occur with somatic cells in the germinal epithelium of the gonad. As part of the epithelium, PGCs rest on a basal lamina, extend apically towards a lumen, are joined to other cells of the epithelium via apicolateral junctions, and express apical-basal polarity. Each PGC has an apical flagellum that is surrounded by a collar of microvilli. The apicolateral junctions of PGCs consist of apical adhering and subapical septate junctions. Hemidesmosomes attach the PGCs to the basal lamina. Although the somatic cells form an incomplete layer over the PGCs, both the PGCs and somatic cells remain exposed to the apical lumen and retain contact with the basal lamina. The peritoneum is the outermost layer of the gonad and faces the perivisceral coelom. The epithelial-cell characteristics expressed by cells of the peritoneum are identical to those of the germinal epithelium. PGCs of S. hydriformis are epithelial flagellated-collar cells and express the apical-basal polarity that is typical of epithelial cells. The apical-basal polarity of the oocyte, animal-vegetal axis of full-grown eggs, and anterior-posterior axis of larvae and adults are all in correspondence. Thus the polarity of the germinal epithelium may determine the primary body axis of the next generation. PMID- 29220237 TI - Antimicrobial Activity of Limulus Blood: Role of C-Reactive Protein (CRP) and Limulus Anti-Lipopolysaccharide Factor (LALF). PMID- 29220238 TI - Limulus Retinal mRNA Induces Light-Dependent Currents in Xenopus Oocytes. PMID- 29220239 TI - Antennal Responses to Hydrodynamic and Tactile Stimuli in the Spiny Lobster Panulirus argus. AB - The responses of the long, spiny, antennal flagella of the spiny lobster Panulirus argus to hydrodynamic and tactile stimuli were investigated. Experiments were performed in the dark and included videographic laboratory studies of small tethered lobsters (<20 mm carapace length) and nighttime field observations of larger, subadult, foraging animals. The antennae are held laterally in both tethered and free-ranging animals. Water jets trigger bilateral antennal responses in which both flagella are swept forward for rostrally directed stimuli, backward for caudal stimuli, and in an intermediate backward direction when stimulated laterally. Mean response angles are greater for caudal stimuli (17 degrees -48 degrees ) than for rostral stimuli (10 degrees -16 degrees ), and lobsters exhibit lateralized sensitivity when jets are directed from the caudal sector, as indicated by larger ipsilateral responses--up to twice the amplitude of contralateral responses in field experiments. Untethered lobsters frequently turn the body in the direction of the water jet and tailflip away or tailflip without first turning. Tactile stimuli to the lateral edges of the antenna, carapace, walking leg, abdomen, and tailfan also trigger primarily backward sweeps of the antennae. Only the antennule and medial antennal receptive fields yield forward movements, and these elicit smaller responses (mean response <= 5 degrees ) than in the backward direction (mean responses up to 15 degrees ). Threshold tactile stimuli trigger exclusively ipsilateral responses; thus, lateralization is absolute. These results demonstrate that spiny lobsters accurately localize mechanosensory stimuli and direct their antennal flagella in the perceived direction, a response consistent with a defensive function of the antennae in these nonchelate decapods. Overall sensitivity is greatest for hydrodynamic stimuli, a result interpreted as being important for the detection of and defense against large predatory fish whose nearby movements would generate broad, directional, water-current pulses. PMID- 29220240 TI - Ionophore-Induced Calcium Waves Activate Unfertilized Zebrafish (Dank rerio) Eggs. PMID- 29220241 TI - Serotonin Injections Induce Metamorphosis in Larvae of the Gastropod Mollusc Ilyanassa obsoleta. AB - Bath-applied serotonin (5-HT) induces competent larvae of the marine snail Ilyanassa obsoleta to metamorphose. Previously, the mode of action of 5-HT, whether as an external ligand or as an internal neurotransmitter, was unknown. Larvae were injected with 10-4 M 5-HT and other pharmacological agents to provide evidence that serotonergic neurons are necessary for metamorphosis in Ilyanassa larvae and that serotonin functions as a neurotransmitter or neuromodulator during this process. About 50% of 5-HT-injected animals metamorphose within 48 hours. Fluoxetine, a 5-HT reuptake inhibitor, and alpha-methyl-5 hydroxytryptamine (alpham5HT), a 5-HT agonist, were also effective inducers of metamorphosis. Gramine (3-[dimethylaminomethyl]indole), a 5-HT antagonist, inhibited the inductive activity of 5-HT, while the amino acid gammaaminobutyric acid (GABA) resulted in rates of morphological restructuring similar to those of controls. Collectively, the results of our experiments support the idea that serotonergic neurons are active during larval metamorphosis of Ilyanassa and that 5-HT does not induce metamorphosis by binding to epidermal chemoreceptors. PMID- 29220242 TI - Evolutionary Games That Squids Play: Fighting, Courting, Sneaking, and Mating Behaviors Used for Sexual Selection in Loligo pealei. PMID- 29220243 TI - Spawning Sound of the Trunkfish, Ostracion meleagris (Ostraciidae). PMID- 29220244 TI - Oxygen Production by Dogfish (Mustelus canis) Cornea and Lens Catalase In Situ. PMID- 29220245 TI - Developmental Defects in Damselfish (Abudefduf sordidus: Pomacentridae) Embryos from Metal Artificial Reefs. PMID- 29220247 TI - Ion Fluxes from Skate Retinal Horizontal Cells Measured Using Self-Referencing Ion-Selective Electrodes. PMID- 29220246 TI - Lead Affects Learning by Hermissenda crassicornis. PMID- 29220248 TI - The Temporal Transfer Function of the Limulus Lateral Eye. PMID- 29220249 TI - Estimating Denitrification in Sediments of the Parker River Estuary, Massachusetts. PMID- 29220250 TI - Segmental Organization of Vestibular and Reticular Projections to Spinal and Oculomotor Nuclei in the Zebrafish and Goldfish. PMID- 29220251 TI - Potentiation of Limulin-Mediated Cytolysis by Thiol Ester-Reacted Forms of Limulus alpha2-Macroglobulin: Identification of Functionally Important Domains. PMID- 29220252 TI - Tuning in Saccular Afferents of the Toadfish Revealed by the Reverse Correlation Method. PMID- 29220253 TI - Gas Exchange Rates in the Parker River Estuary, Massachusetts. PMID- 29220254 TI - Photochemical and Microbial Processing of Dissolved Organic Matter in Streams and Soilwater. PMID- 29220255 TI - The Plasma-Based Cytolytic System of the American Horseshoe Crab, Limulus polyphemus: Cooperative Interaction of the Sialic Acid-Binding Lectin Limulin and Thiol Ester-Reacted alpha2-Macroglobulin. PMID- 29220256 TI - Particulate and Dissolved Nitrogen: A Laboratory Study of Transformations in Groundwater and Estuarine Samples of the Waquoit Bay Estuarine System. PMID- 29220257 TI - Masking Effects of Sulfate upon Microciona Sponge Cell Carbohydrates: A Lectin Histochemical Study. PMID- 29220258 TI - Chemically Induced Cardiovascular Defects in Developmental Stages of Vertebrates: Dose-Response and Phenotypic Comparisons in Medaka and Zebrafish Exposed to Aryl Hydrocarbon Receptor Agonists. PMID- 29220259 TI - Zebrafish Embryo Monitoring of the Aquatic Environment: Dose-Response Synergism Revealed in Combinations of Pollutant Chemical Mixtures. PMID- 29220260 TI - Development and Regeneration of Comb Plates in the Ctenophore Mnemiopsis leidyi. PMID- 29220261 TI - Shrimp in Waquoit Bay: Effects of Nitrogen Loading on Size and Abundance. PMID- 29220262 TI - Selection of Nitrogen-Enriched Macroalgae (Cladophora vagabunda and Gracilaria tikvahiae) by the Herbivorous Amphipod Microdeutopus gryllotalpa. PMID- 29220264 TI - Myogenic Differentiation of Sea Urchin Secondary Mesenchyme Cells Is Dependent on an Intact Extracellular Matrix. PMID- 29220263 TI - Selectivity by the Herbivorous Amphipod Microdeutopus gryllotalpa Among Five Species of Macroalgae. PMID- 29220265 TI - Abundance, Biomass, and Species Richness of Fish Communities in Relation to Nitrogen-Loading Rates of Waquoit Bay Estuaries. PMID- 29220266 TI - The Origins of Mesoderm in the Equal-Cleaving Nemertean Worm Cerebratulus lacteus. PMID- 29220267 TI - Assessment of Fish Communities in New England Embayments: Application of the Estuarine Biotic Integrity Index. PMID- 29220268 TI - Changes in N and C Stable Isotope Signatures of Particulate Organic Matter and Ribbed Mussels in Estuaries Subject to Different Nutrient Loading. PMID- 29220269 TI - Growth Rates of Ribbed Mussels in Six Estuaries Subject to Different Nutrient Loads. PMID- 29220270 TI - Podial Particle Picking in Cassidulus caribaearum (Echinodermata: Echinoidea) and the Phylogeny of Sea Urchin Feeding Mechanisms. AB - Selective particle-picking mechanisms of clypeasteroid echinoids (sand dollars and related taxa) are well-known. Those of the extant outgroup to clypeasteroids, the cassiduloids (lamp urchins), have not been analyzed to determine the origins of this sophisticated feeding mechanism. Cassidulus caribaearum Lamarck, 1801, is a small cassiduloid living in the coarse, carbonate sands of protected beaches. The total gut contents of 24 specimens of C. caribaearum, representing a full size range, were studied. The distribution of particle sizes in this sample was not significantly different from that of beach sediment, indicating that C. caribaearum is probably not a selective deposit feeder. Juveniles with a test length of less than 3.5 mm do not feed, but all echinoids that are at least 5 mm long have full, or almost full, guts. The size of the mouth does not limit the sizes of particles eaten, regardless of the size of the animal. Allometric analyses suggest that podial size is also not a strong predictor of ingested particle size. In vivo and histological observations differentiate between the test cleansing functions of the spines and ciliary currents and the feeding activities of specialized podia. The new role played by accessory podia in food collection by C. caribaearum is a synapomorphy for cassiduloids and clypeasteroids, whereas the exclusive use of phyllopodia seen in earlier irregular echinoids is plesiomorphic. PMID- 29220271 TI - Capture of Large Particles by Suspension-Feeding Scaleworm Larvae (Polychaeta: Polynoidae). AB - Most of the polychaete larvae in which feeding mechanisms have been studied feed using an opposed-band mechanism, capturing particles with prototrochal and metatrochal ciliary bands and transporting them to the mouth via a food groove. However, many other planktotrophic polychaete larvae lack a metatroch and food groove and thus must feed in a different way. In this latter group are the larvae of polynoid polychaetes, which not only lack a metatroch and food groove but also bear a bundle of long cilia (the oral brush) attached near the left side of the mouth. In feeding experiments with polystyrene beads and plankton, larvae of the polynoid Arctonoe vittata ingested larger particles (up to 60 {mu}m in diameter) than those ingested by the opposed-band feeding larvae of the serpulid Serpula vermicularis (up to 12 MUm in diameter). Videotaped images of feeding A. vittata larvae showed that capture behavior was elicited as particles in a feeding current driven by the prototroch approached or contacted the larval episphere. Particles on or very near the episphere were disengaged by a recoiling motion of the larva and were then moved to the mouth, probably by the oral brush. This feeding mechanism may be widespread in the polychaete superfamily Aphroditacea, which includes about 10% of extant polychaete species. PMID- 29220272 TI - Modified Spiral Cleavage: The Duet Cleavage Pattern and Early Blastomer Fates in the Acoel Turbellarian Neochildia fusca. PMID- 29220273 TI - Two Kinds of Active Factor in Crab Hatch Water: Ovigerous-Hair Stripping Substance (OHSS) and a Proteinase. AB - The embryos of intertidal and estuarine crabs are clustered on the ovigerous seta of the female, where they are ventilated for 2-4 weeks by the female's abdomen. When the embryonic development is complete, hatching occurs and zoea larvae are released into the water. This study indicates that the crab hatch water (i.e., the filtered medium into which zoeas were released) contains at least two kinds of active substance: OHSS (ovigerous-hair stripping substance) and a proteolytic enzyme. Both factors were separated by gel filtration. Powdered fragments of egg capsule were digested by proteinase, suggesting that this enzyme actually acts on the egg capsule. But this activity was at a very low level compared with casein digestion. The proteinase might be digesting the thin, sticky layer enclosing the embryo and would not act on the thick, tough layer constituting the main component of the egg capsule. Therefore, a proteolysis of such low activity could not be expected to cause the egg capsule to rupture. PMID- 29220274 TI - Effect of Larval Swimming Duration on Success of Metamorphosis and Size of the Ancestrular Lophophore in Bugula neritina (Bryozoa). AB - There is a growing realization that events during one portion of an organism's life cycle can have both subtle and dramatic effects on other stages in the life history. Lethal and sublethal effects associated with the duration of larval swimming in marine invertebrates were examined for the bryozoan Bugula neritina. Larvae were kept swimming up to a maximum of 28 h at 20 degrees C by exposure to continuous bright fluorescent illumination. At 4-h intervals, samples of 20-40 larvae were removed from bright illumination and were exposed to seawater containing 10 mM excess KCI, an inducer of metamorphosis in this species. Over the first 12 h of larval swimming, an average of about 90% of the larvae initiated and completed metamorphosis; at 16 h, the percentage of larvae initiating and completing metamorphosis dropped significantly. By 28 h, about half of the larvae were initiating metamorphosis, whereas only one-fifth were completing metamorphosis. Larval swimming duration also significantly affected the duration of metamorphosis. By 30 h of larval swimming, individuals were taking about 25% longer to complete metamorphosis. Compared to ancestrulae that developed from larvae that were induced to metamorphose shortly after the onset of swimming, those that swam for greater than 8 h had significantly smaller lophophores. For example, by 28 h of larval swimming the ancestrular lophophore decreased in height, surface area, and volume by about 25%, 40% and 55%, respectively. This marked decrease in lophophore size may ultimately affect the ability of juveniles to sequester food, compete for space, and attain reproductive maturity. Thus, increasing the duration of larval swimming affects both metamorphosis and the development of postlarval structures, which may ultimately influence colony fitness. PMID- 29220275 TI - Effects of Altering pHi and pHo on the Activation of Chaetopterus Eggs. PMID- 29220277 TI - Filament Tracking and Casting in American Elvers (Anguilla rostrata). PMID- 29220276 TI - Ultrastructure and Transport-Related Enzymes of the Gills and Coxal Gland of the Horseshoe Crab Limulus polyphemus. AB - The horseshoe crab, Limulus polyphemus, may be unique among marine arthropods in that both its book gills and its coxal gland may serve as sites of ion transport. We have therefore examined the ultrastructure of these organs, as well as the distribution and relative levels of two major transport-related enzymes: the Na+ + K+ ATPase and carbonic anhydrase (CA). The ventral surface of the central region of each lamella shows the typical ultrastructural specializations for ion transport: 10 MUm cell thickness, an extensive network of tubules originating from infoldings of the basal membrane, and a high density of mitochondria. This region also contains high levels of activity of the Na+ + K+ ATPase and CA. The distribution of ion transporting epithelium and transport enzymes is identical in each of the five gill books. The peripheral region of the lamellae of each gill book is specialized for passive gas exchange. The ultrastructural and biochemical profile of the coxal gland is similar to that of the central-ventral region of the gill. Limulus possesses the same general mechanism of ion regulation seen in euryhaline decapod crustaceans, but the structural and functional components are uniquely distributed. PMID- 29220278 TI - Intracellular pH Measurements During Fertilization of Surf Clam (Spisula solidissima) Oocytes. PMID- 29220279 TI - Behavior of Purely Chemotactic Robot Lobster Reveals Different Odor Dispersal Patterns in the Jet Region and the Patch Field of a Turbulent Plume. PMID- 29220280 TI - Obstacles to Flow Produce Distinctive Patterns of Odor Dispersal on a Scale That Could be Detected by Marine Animals. PMID- 29220281 TI - Orientation Behavior of the Lobster: Responses to Directional Chemical and Hydrodynamic Stimulation of the Antennules. PMID- 29220282 TI - Inherent Nonrandom Structure of the Pre-Nuclear Envelope Breakdown Calcium Signal in Sand Dollar (Echinaracnius parma) Embryos. PMID- 29220283 TI - Potential Role of Syntrophins in Regulating Motility of Sperm in the Sea Urchin Arbacia punctulata. PMID- 29220284 TI - Reversible Alteration of Molluscan Erythrocyte Morphology by a Natural Hemolymph Activity. PMID- 29220285 TI - Abundance and Age-Specific Growth Rates in Relation to Population Densities of Fundulus heteroclitus in Waquoit Bay Estuaries Subject to Different Nitrogen Loads. PMID- 29220287 TI - Surface-Dwelling Bacteria on the Eggs of Crangon septemspinosa Restrict Infection by the Fungus Lagenidium myophilum In Vitro. PMID- 29220286 TI - New Evidence for Bacterial Diversity in the Accessory Nidamental Gland of the Squid (Loligo pealei). PMID- 29220288 TI - Contemporary Sarcoma Diagnosis, Genetics, and Genomics. AB - Sarcomas include diverse mesenchymal neoplasms with widely varied prognosis, clinical behavior, and treatment. Owing to their rarity and histologic overlap, accurate diagnosis of sarcomas can be challenging. Our approach has evolved dramatically in the past few decades, where novel insights into the molecular pathogenetic basis for sarcomas has dramatically (re)shaped contemporary diagnosis, building on a largely morphology- and clinical presentation-based strategy. Examples include the introduction of novel immunohistochemical markers that serve as surrogates for molecular genetic alterations and identification of characteristic molecular alterations. Accordingly, cytogenetic and molecular genetic analyses, such as conventional karyotyping, fluorescence in situ hybridization, reverse transcription-polymerase chain reaction, and targeted sequencing, have increasingly been incorporated into the routine diagnostic work up of these neoplasms. For those sarcomas with complex cytogenetic changes that lack specific alterations, additional testing is often directed toward identifying lines of differentiation and excluding pathognomonic (cyto-)genetic alterations. Although some gene rearrangements are diagnostic of particular sarcoma types, certain fusion partners, most notably EWSR1, are not tumor specific (and may, in fact, also be found in benign tumors). Correlation with clinical, radiologic, morphologic, and immunohistochemical findings is particularly important in tumors with such rearrangements to establish the correct diagnosis, acknowledging the inherent limitations of diagnostic tests. The recognition of sarcomas occurring in cancer predisposition syndromes is critical, with implications not only for the index patient but also potentially for family members, including the need for genetic counseling and sometimes particular types of surveillance. Together, contemporary sarcoma evaluation involves combining the initial morphologic evaluation with diagnostically relevant cytogenetic, molecular, and immunohistochemical testing methods. PMID- 29220289 TI - Osteosarcoma, Chondrosarcoma, and Chordoma. AB - Osteosarcoma (OS), chondrosarcoma, and chordoma are characterized by multiple challenges to the investigator, clinician, and patient. One consequence of their rarity among sarcomas, as well as their biologic and clinical heterogeneity, is that management guidelines are inadequate to inform the range of individual patient-treatment decisions from diagnosis, approaches to surgery, chemotherapy, radiotherapy, treatment of recurrence, palliative care, and quality of survivorship. Of high-grade sarcomas, OSs are among the most curable, with more than two-thirds of patients with localized disease likely to achieve long-term survival. Neoadjuvant chemotherapy comprising cisplatin, doxorubicin, and methotrexate with intercalated surgery is the standard of care for resectable OS in those younger than 40 years. Outcomes for OS presenting with unresectable metastases or recurrent disease, or in those older than 40 years are generally poor. Overall results have improved little for all patients with OS, and new treatments are needed. Surgical resection remains the cornerstone of management for chondrosarcoma and chordoma. However, the application of new biologic insights to therapeutic development indicates that improved treatments may soon be routine for patients with chondrosarcoma and chordoma for whom surgery alone is inadequate. For all these uncommon diseases, patients should be offered specialist expert care delivered by experienced multidisciplinary teams in high volume centers. PMID- 29220290 TI - Synovial Sarcoma: Current Concepts and Future Perspectives. AB - Synovial sarcoma (SS) is a rare sarcoma driven by a translocation between SS18 and SSX 1, 2, or 4. With approximately 800 to 1,000 cases a year in the United States, it most commonly affects young adults between the ages of 15 and 30 years. The resultant tumors are either monophasic (pure sarcomas), biphasic (a combination or epithelioid and sarcomatous components), or poorly differentiated. The hybrid transcription factor SS18:SSX alters SWItch/Sucrose Non-Fermentable (SWI/SNF) chromatin remodeling and global methylation patterns that may allow for future therapeutic opportunities. In this review, we focus on the pharmacologic management of SS, both in the curative setting, where the standard approach is wide surgical excision combined with radiotherapy and/or (neo)adjuvant chemotherapy as appropriate, and in the palliative setting. In advanced disease, chemotherapy with anthracyclines and/or ifosfamide, trabectedin, or pazopanib has been demonstrated to be more active compared with other soft tissue sarcomas. In addition, a better understanding of the molecular and immunologic characteristics of SS has allowed for the identification of new potential targets and the development of novel biology-driven therapies that are all at different stages of testing. There include targeted agents, immunotherapy, and metabolic therapies. Because the impact of these strategies for improving SS outcome is still limited, current and future research is strongly needed to better understand the tumor biology, to identify predictive biomarkers, and to improve the outcomes for patients with SS. PMID- 29220291 TI - Emerging Targeted and Immune-Based Therapies in Sarcoma. AB - Soft tissue and bone sarcomas are malignancies of mesenchymal origin, and more than 50 subtypes are defined. For most sarcomas, locally advanced or unresectable disease is still treated with cytotoxic chemotherapy. Recently, our understanding of subtype-specific cancer biology has expanded, and it has revealed distinct molecular alterations responsible for tumor initiation and progression. These findings have motivated the development of targeted therapies that are being evaluated in subtype-specific or biomarker-driven clinical trials. Indeed, the spectrum of targeted drug development in sarcoma now spans many of the most active paradigms in cancer research and includes agents that target cancer related vulnerabilities in receptor tyrosine kinases and intracellular signaling pathways, epigenetics, metabolism, nuclear-cytoplasmic transport, and many others. Our understanding of the sarcoma immune microenvironment and heterogeneous mechanisms of tumor immune evasion has also expanded. Although a subset of sarcomas appears inflamed and responsive to immune checkpoint blockade with programmed death 1 (PD-1) targeted agents, novel immunotherapies and combinations likely will be needed for most subtypes. A variety of approaches including targeting immune checkpoints other than PD-1; modulating tumor associated macrophage phenotype from tumor-promoting to tumor-suppressive status; using cellular-based therapies, such as chimeric antigen and high-affinity T-cell receptors to deepen the adaptive immune response; and reinvigorating older approaches, such as vaccines and oncolytic virus-based treatments-are being investigated. The goal of these new approaches is to harness subtype-specific insights into cancer and immune biology to bring more effective and less toxic treatments to the clinic for the benefit of patients with sarcoma. PMID- 29220292 TI - Rhabdomyosarcoma, Ewing Sarcoma, and Other Round Cell Sarcomas. AB - Several recent advances have been made in the diagnosis and therapy of malignant small round cell tumors that affect children, particularly in rhabdomyosarcoma, Ewing sarcoma, and other round cell sarcomas. These advances have provided new insights into the pathologic, histologic, and genomic characterization of specific tumor subtypes, which has led to the identification of novel therapeutic targets and improved stratification of risk. This has, in turn, led to improved efficacy in clinical trials of new drug combinations, thereby increasing the survival of patients with newly diagnosed and refractory or recurrent round cell sarcomas. Here, we review the progress that has been made using genomics to identify novel pathologic genomic rearrangements, as well as therapeutic targets. We also describe how clinical and molecular factors have helped refine risk stratification and therapies that have led to improved clinical outcomes in patients with round cell sarcomas. PMID- 29220293 TI - Pathologic Angiogenesis of Malignant Vascular Sarcomas: Implications for Treatment. AB - Angiosarcoma, epithelioid hemangioendothelioma, and Kaposi sarcoma are classified according to the line of differentiation that these neoplastic cells most closely resemble: the endothelial cell. Although these malignant vascular sarcomas demonstrate immunohistochemical and ultrastructural features typical of this lineage, they vary dramatically in presentation and behavior, reflecting oncologic mechanisms unique to each. Antineoplastic therapies offer significant benefit, but because of the rarity of these cancers, novel therapies are slow to develop, and treatment options for these cancers remain limited. Antiangiogenic approaches that have shown benefit in other malignancies have not fully realized their promise in vascular tumors, suggesting that these tumors do not depend entirely on either angiogenic growth factors or on neighboring endothelia that are affected by these agents. Nonetheless, translational studies have begun to unravel these distinct pathologies, identifying novel translocation products, targets of oncogenic virulence factors, and genomic mutations that hijack angiogenic signaling and drive malignant growth. Concurrently, an elaborate and highly regulated model of angiogenesis and lymphangiogenesis involving vascular endothelial growth factor-receptor tyrosine kinase and TGF-beta and Notch pathways has emerged that informs treatment of these tumors as well as cancer in general. This review summarizes the literature on malignant vascular sarcomas in the context of current models of angiogenesis and, in light of recent clinical trial data, could help clinician-scientists generate novel therapeutic approaches. PMID- 29220296 TI - Carcinosarcomas and Related Cancers: Tumors Caught in the Act of Epithelial Mesenchymal Transition. AB - In this review, we outline the biology and management of patients with carcinosarcomas and related malignancies, which are often included under the broader concept of sarcomatoid carcinomas. Carcinosarcomas are unusual tumors that are commonly gynecologic in origin, where they are referred to as malignant mixed Mullerian tumors, but may appear in any anatomic site. Although a variety of hypotheses have been presented as to the biphasic nature of these tumors, carcinosarcomas seem to represent the best example in human cancers of the concept of epithelial-mesenchymal transition (EMT), in which the two parts of the tumor are genomically related to one another, as opposed to the mesenchymal component that represents a second neoplasm or (benign) reactive process. In general, patients with carcinosarcomas fare worse than patients with carcinomas of the same anatomic site. Treatment paradigms for carcinosarcomas generally follow those of carcinomas of the same organ site, except where clinical trials provide more specific options. Agents that block or reverse EMT are worth examination in patients with carcinosarcoma and arguably may be even more effective in carcinomas, given evidence of dependence on EMT to generate successful metastases. Information about EMT may also inform other phase transitions in cancer, such as those between prostate or lung carcinoma and more aggressive tumors with neuroendocrine differentiation. PMID- 29220295 TI - Once-a-Week Versus Once-Every-3-Weeks Cisplatin Chemoradiation for Locally Advanced Head and Neck Cancer: A Phase III Randomized Noninferiority Trial. AB - Purpose Chemoradiation with cisplatin 100 mg/m2 given once every 3 weeks is the standard of care in locally advanced head and neck squamous cell cancer (LAHNSCC). Increasingly, low-dose once-a-week cisplatin is substituted because of perceived lower toxicity and convenience. However, there is no level 1 evidence of comparable efficacy to cisplatin once every 3 weeks. Patients and Methods In this phase III randomized trial, we assessed the noninferiority of cisplatin 30 mg/m2 given once a week compared with cisplatin 100 mg/m2 given once every 3 weeks, both administered concurrently with curative intent radiotherapy in patients with LAHNSCC. The primary end point was locoregional control (LRC); secondary end points included toxicity, compliance, response, progression-free survival, and overall survival. Results Between 2013 and 2017, we randomly assigned 300 patients, 150 to each arm. Two hundred seventy-nine patients (93%) received chemoradiotherapy in the adjuvant setting. At a median follow-up of 22 months, the estimated cumulative 2-year LRC rate was 58.5% in the once-a-week arm and 73.1% in the once-every-3-weeks arm, leading to an absolute difference of 14.6% (95% CI, 5.7% to 23.5%); P = .014; hazard ratio (HR), 1.76 (95% CI, 1.11 to 2.79). Acute toxicities of grade 3 or higher occurred in 71.6% of patients in the once-a-week arm and in 84.6% of patients in the once-every-3-weeks arm ( P = .006). Estimated median progression-free survival in the once-a-week arm was 17.7 months (95% CI, 0.42 to 35.05 months) and in the once-every-3-weeks arm, 28.6 months (95% CI, 15.90 to 41.30 months); HR, 1.24 (95% CI, 0.89 to 1.73); P = .21. Estimated median overall survival in the once-a-week arm was 39.5 months and was not reached in the once-every-3-weeks arm (HR, 1.14 [95% CI, 0.79 to 1.65]; P = .48). Conclusion Once-every-3-weeks cisplatin at 100 mg/m2 resulted in superior LRC, albeit with more toxicity, than did once-a-week cisplatin at 30 mg/m2, and should remain the preferred chemoradiotherapy regimen for LAHNSCC in the adjuvant setting. PMID- 29220297 TI - Local Control of Soft Tissue and Bone Sarcomas. AB - Sarcomas of soft tissue and bone are mesenchymal malignancies that can arise in any anatomic location, most commonly the extremity, retroperitoneum, and trunk. Even for lower grade histologic subtypes, local recurrence can cause significant morbidity and even disease-related death. Although surgery remains the cornerstone of local control, perioperative radiation and systemic therapy are often important adjuvants. This review will summarize the current therapeutic approaches for local control of soft tissue and bone sarcomas. PMID- 29220294 TI - Clinical and Molecular Spectrum of Liposarcoma. AB - Liposarcomas are rare malignant tumors of adipocytic differentiation. The classification of liposarcomas into four principal subtypes reflects the distinct clinical behavior, treatment sensitivity, and underlying biology encompassed by these diseases. Increasingly, clinical management decisions and the development of investigational therapeutics are informed by an improved understanding of subtype-specific molecular pathology. Well-differentiated liposarcoma is the most common subtype and is associated with indolent behavior, local recurrence, and insensitivity to radiotherapy and chemotherapy. Dedifferentiated liposarcoma represents focal progression of well-differentiated disease into a more aggressive, metastasizing, and fatal malignancy. Both of these subtypes are characterized by recurrent amplifications within chromosome 12, resulting in the overexpression of disease-driving genes that have been the focus of therapeutic targeting. Myxoid liposarcoma is characterized by a pathognomonic chromosomal translocation that results in an oncogenic fusion protein, whereas pleomorphic liposarcoma is a karyotypically complex and especially poor-prognosis subtype that accounts for less than 10% of liposarcoma diagnoses. A range of novel pharmaceutical agents that aim to target liposarcoma-specific biology are under active investigation and offer hope of adding to the limited available treatment options for recurrent or inoperable disease. PMID- 29220298 TI - Gastrointestinal Stromal Tumors. AB - GI stromal tumors (GISTs) are neoplasms with a varying malignancy potential ranging from virtually indolent tumors to rapidly progressing cancers. GISTs occur throughout the intestinal tract, and most harbor an activating mutation in either KIT or platelet-derived growth factor A ( PDGFRA). Diagnosis is made using immunohistochemistry, but molecular testing with mutation analysis is paramount for selection of appropriate therapy. Most small GISTs are cured with surgery. Tyrosine kinase inhibitor (TKI) therapy has led to substantial improvements in survival, both for patients with localized GIST and those with advanced disease. Adjuvant therapy with imatinib benefits patients with a high risk of recurrence, with studies suggesting most benefit with at least 3 years of therapy. Neoadjuvant imatinib therapy should be considered for patients requiring extensive surgery, aiming at shrinking the tumor to allow organ preservation and less extensive surgery. The following three TKIs have been approved for the management of advanced disease: imatinib, sunitinib, and regorafenib; imatinib is usually the best tolerated of the three and the standard first-line treatment. TKIs benefit the majority of patients with advanced GIST but have no or limited efficacy in patients with the PDGFRA D842V mutation or patients with GIST lacking KIT and PDGFRA mutations. Surgery, the mainstay of primary tumor management, also plays a role in the advanced disease setting for selected patients, as do some other approaches such as palliative radiation therapy. Research continues to identify novel therapies, in particular effective agents to treat TKI-refractory disease. PMID- 29220299 TI - Perioperative Management of Extremity Soft Tissue Sarcomas. AB - Surgery is potentially curative for primary nonmetastatic extremity soft tissue sarcomas. After surgery alone, patients may remain at risk for local recurrences and/or metastatic disease. To reduce the likelihood of a local relapse, the addition of radiotherapy (RT) to limb-sparing surgery may result in higher local control rates of at least 85%. Generally, it can be stated that local control after both preoperative and postoperative RT is comparable, but that preoperative RT comes with a more favorable toxicity profile after prolonged follow-up, albeit at the cost of a higher wound complication rate. Furthermore, recent data suggest that preoperative RT is more cost effective. To reduce the risk of subsequent metastatic disease, systemic chemotherapy can be introduced early during the primary management of these patients. These systemic chemotherapy regimens can also be applied both preoperatively and postoperatively. Finally, with the aim of increasing the antitumor response of perioperative RT, these agents may even be combined with RT, concurrently and sequentially. While designing new preoperative combination regimens, responses should be carefully monitored by both sophisticated radiologic and pathologic evaluations. This article reviews all these aspects, in addition to limb-sparing surgery. PMID- 29220300 TI - Sarcoma: The Merging of Science and Clinical Care. PMID- 29220301 TI - Soft Tissue and Uterine Leiomyosarcoma. AB - Leiomyosarcoma (LMS) is one of the most common subtypes of soft tissue sarcoma in adults and can occur in almost any part of the body. Uterine leiomyosarcoma is the most common subtype of uterine sarcoma. Increased awareness of this unique histology has allowed for the development of drugs that are specific to LMS and has begun to shed light on the similarities and possible unique aspects of soft tissue and uterine LMS. In this review, we summarize the current understanding of the epidemiology, diagnosis, genomics, and treatment options for LMS. PMID- 29220302 TI - Biology and Management of Undifferentiated Pleomorphic Sarcoma, Myxofibrosarcoma, and Malignant Peripheral Nerve Sheath Tumors: State of the Art and Perspectives. AB - Undifferentiated pleomorphic sarcomas, myxofibrosarcomas, and malignant peripheral nerve sheath tumors are characterized by complex genomic characteristics and aggressive clinical behavior. Recent advances in the understanding of the pathogenesis of these tumors may allow for the development of more-effective innovative therapeutic strategies, including immunotherapies. This review describes the current knowledge of the epidemiology, clinical presentation, treatment, and pathogenesis of these tumors and highlights ongoing and future research. PMID- 29220303 TI - Locally Aggressive Connective Tissue Tumors. AB - In this review, we highlight the complexities of the natural history, biology, and clinical management of three intermediate connective tissue tumors: desmoid tumor (DT) or aggressive fibromatosis, tenosynovial giant cell tumor (TGCT) or diffuse-type pigmented villonodular synovitis (dtPVNS), and giant cell tumor of bone (GCTB). Intermediate histologies include tumors of both soft tissue and bone origin and are locally aggressive and rarely metastatic. Some common aspects to these tumors are that they can be locally infiltrative and/or impinge on critical organs, which leads to disfigurement, pain, loss of function and mobility, neurovascular compromise, and occasionally life-threatening consequences, such as mesenteric, bowel, ureteral, and/or bladder obstruction. DT, PVNS, and GCTB have few and recurrent molecular aberrations but, paradoxically, can have variable natural histories. A multidisciplinary approach is recommended for optimal management. In DT and PVNS, a course of observation may be appropriate, and any intervention should be guided by symptoms and/or disease progression. A surgical approach should take into consideration the infiltrative nature, difficulty in obtaining wide margins, high recurrence rates, acute and chronic surgical morbidities, and impact on quality of life. There are similar concerns with radiation, which especially relate to optimal field and transformation to high grade radiation-associated sarcomas. Systemic therapies must be considered carefully in light of acute and chronic toxicities. Although standard and novel therapies are promising, many unanswered questions, such as duration of therapy and optimal end points to evaluate efficacy of drugs in clinical practice and trials, exist. Predictive biomarkers and novel clinical trial end points, such as volumetric measurement, magnetic resonance imaging T2 weighted mapping, nuclear imaging, and patient-reported outcomes, are in development and will require validation in prospective trials. PMID- 29220304 TI - The Interaction between Semantic Representation and Episodic Memory. AB - The experimental evidence on the interrelation between episodic memory and semantic memory is inconclusive. Are they independent systems, different aspects of a single system, or separate but strongly interacting systems? Here, we propose a computational role for the interaction between the semantic and episodic systems that might help resolve this debate. We hypothesize that episodic memories are represented as sequences of activation patterns. These patterns are the output of a semantic representational network that compresses the high-dimensional sensory input. We show quantitatively that the accuracy of episodic memory crucially depends on the quality of the semantic representation. We compare two types of semantic representations: appropriate representations, which means that the representation is used to store input sequences that are of the same type as those that it was trained on, and inappropriate representations, which means that stored inputs differ from the training data. Retrieval accuracy is higher for appropriate representations because the encoded sequences are less divergent than those encoded with inappropriate representations. Consistent with our model prediction, we found that human subjects remember some aspects of episodes significantly more accurately if they had previously been familiarized with the objects occurring in the episode, as compared to episodes involving unfamiliar objects. We thus conclude that the interaction with the semantic system plays an important role for episodic memory. PMID- 29220305 TI - Spiking Neural Classifier with Lumped Dendritic Nonlinearity and Binary Synapses: A Current Mode VLSI Implementation and Analysis. AB - We present a neuromorphic current mode implementation of a spiking neural classifier with lumped square law dendritic nonlinearity. It has been shown previously in software simulations that such a system with binary synapses can be trained with structural plasticity algorithms to achieve comparable classification accuracy with fewer synaptic resources than conventional algorithms. We show that even in real analog systems with manufacturing imperfections (CV of 23.5% and 14.4% for dendritic branch gains and leaks respectively), this network is able to produce comparable results with fewer synaptic resources. The chip fabricated in [Formula: see text]m complementary metal oxide semiconductor has eight dendrites per cell and uses two opposing cells per class to cancel common-mode inputs. The chip can operate down to a [Formula: see text] V and dissipates 19 nW of static power per neuronal cell and [Formula: see text] 125 pJ/spike. For two-class classification problems of high dimensional rate encoded binary patterns, the hardware achieves comparable performance as software implementation of the same with only about a 0.5% reduction in accuracy. On two UCI data sets, the IC integrated circuit has classification accuracy comparable to standard machine learners like support vector machines and extreme learning machines while using two to five times binary synapses. We also show that the system can operate on mean rate encoded spike patterns, as well as short bursts of spikes. To the best of our knowledge, this is the first attempt in hardware to perform classification exploiting dendritic properties and binary synapses. PMID- 29220306 TI - Improving Spiking Dynamical Networks: Accurate Delays, Higher-Order Synapses, and Time Cells. AB - Researchers building spiking neural networks face the challenge of improving the biological plausibility of their model networks while maintaining the ability to quantitatively characterize network behavior. In this work, we extend the theory behind the neural engineering framework (NEF), a method of building spiking dynamical networks, to permit the use of a broad class of synapse models while maintaining prescribed dynamics up to a given order. This theory improves our understanding of how low-level synaptic properties alter the accuracy of high level computations in spiking dynamical networks. For completeness, we provide characterizations for both continuous-time (i.e., analog) and discrete-time (i.e., digital) simulations. We demonstrate the utility of these extensions by mapping an optimal delay line onto various spiking dynamical networks using higher-order models of the synapse. We show that these networks nonlinearly encode rolling windows of input history, using a scale invariant representation, with accuracy depending on the frequency content of the input signal. Finally, we reveal that these methods provide a novel explanation of time cell responses during a delay task, which have been observed throughout hippocampus, striatum, and cortex. PMID- 29220307 TI - From Winner-Takes-All to Winners-Share-All: Exploiting the Information Capacity in Temporal Codes. AB - In this letter, we have implemented and compared two neural coding algorithms in the networks of spiking neurons: Winner-takes-all (WTA) and winners-share-all (WSA). Winners-Share-All exploits the code space provided by the temporal code by training a different combination of [Formula: see text] out of [Formula: see text] neurons to fire together in response to different patterns, while WTA uses a one-hot-coding to respond to distinguished patterns. Using WSA, the maximum value of [Formula: see text] in order to maximize information capacity using [Formula: see text] output neurons was theoretically determined and utilized. A small proof-of-concept classification problem was applied to a spiking neural network using both algorithms to classify 14 letters of English alphabet with an image size of 15 [Formula: see text] 15 pixels. For both schemes, a modified spike-timing-dependent-plasticity (STDP) learning rule has been used to train the spiking neurons in an unsupervised fashion. The performance and the number of neurons required to perform this computation are compared between the two algorithms. We show that by tolerating a small drop in performance accuracy (84% in WSA versus 91% in WTA), we are able to reduce the number of output neurons by more than a factor of two. We show how the reduction in the number of neurons will increase as the number of patterns increases. The reduction in the number of output neurons would then proportionally reduce the number of training parameters, which requires less memory and hence speeds up the computation, and in the case of neuromorphic implementation on silicon, would take up much less area. PMID- 29220308 TI - Learning Midlevel Auditory Codes from Natural Sound Statistics. AB - Interaction with the world requires an organism to transform sensory signals into representations in which behaviorally meaningful properties of the environment are made explicit. These representations are derived through cascades of neuronal processing stages in which neurons at each stage recode the output of preceding stages. Explanations of sensory coding may thus involve understanding how low level patterns are combined into more complex structures. To gain insight into such midlevel representations for sound, we designed a hierarchical generative model of natural sounds that learns combinations of spectrotemporal features from natural stimulus statistics. In the first layer, the model forms a sparse convolutional code of spectrograms using a dictionary of learned spectrotemporal kernels. To generalize from specific kernel activation patterns, the second layer encodes patterns of time-varying magnitude of multiple first-layer coefficients. When trained on corpora of speech and environmental sounds, some second-layer units learned to group similar spectrotemporal features. Others instantiate opponency between distinct sets of features. Such groupings might be instantiated by neurons in the auditory cortex, providing a hypothesis for midlevel neuronal computation. PMID- 29220309 TI - Quantifying Strength of Chaos in the Population Firing Rate of Neurons. AB - In this study, I considered quantifying the strength of chaos in the population firing rate of a pulse-coupled neural network. In particular, I considered the dynamics where the population firing rate is chaotic and the firing of each neuron is stochastic. I calculated a time histogram of firings to show the variation in the population firing rate over time. To smooth this histogram, I used Bayesian adaptive regression splines and a gaussian filter. The nonlinear prediction method, based on reconstruction, was applied to a sequence of interpeak intervals in the smoothed time histogram of firings. I propose the use of the sum of nonlinearity as a quantifier of the strength of chaos. When applying this method to the firings of a pulse-coupled neural network, the sum of nonlinearity was seen to satisfy three properties for quantifying the strength of chaos. First, it can be calculated from spiking data alone. Second, it takes large values when applied to firings that are confirmed, theoretically or numerically, to be chaotic. Third, it reflects the strength of chaos of the original dynamics. PMID- 29220310 TI - Direct and indirect relationships of physical fitness, weight status, and learning duration to academic performance in Japanese schoolchildren. AB - The purpose of this study was to determine, using structural equation modelling (SEM), the direct and indirect influence of daily behaviours (i.e. exercise/learning durations), weight status, and physical fitness on academic performance among seventh-grade schoolchildren, after controlling for socioeconomic status. We analysed cross-sectional data from 274 schoolchildren (159 males and 115 females; 12-13 years old). Academic performance was assessed using the total grade points in eight academic subjects. Physical fitness was evaluated using the total score of eight physical fitness tests and weight status using body mass index. The daily behaviours and socioeconomic status were assessed by the questionnaire. The SEM showed an adequate fit to the data (chi2 = 0.684, p = .710, RMSEA = .000). Physical fitness and learning durations had direct effects on academic performance (beta = .301, p < .001; beta = .132, p = .037, respectively) after controlling for confounders. Healthy weight status and exercise habits positively indirectly influenced academic performance via physical fitness. These findings suggest that, independent of socioeconomic status and learning durations, exercise habits and maintaining healthy weight status may indirectly contribute to academic success via better physical fitness in children. PMID- 29220312 TI - L0 -Regularized Image Downscaling. AB - In this paper, we propose a novel -regularized optimization framework for image downscaling. The optimization is driven by two -regularized priors. The first prior, gradient-ratio prior, is based on the observation that the number of edges in the downscaled image is approximately inverse square proportional to the downscaling factor. By introducing norm sparsity to the gradient ratio, the downscaled image is able to preserve the most salient edges as well as the visual perception of the original image. The second prior, downsampling prior, is to constrain the downsampling matrix so that pixels of the downscaled image are estimated according to those optimal neighboring pixels. Extensive experiments on the Urban100 and BSDS500 data sets show that the proposed algorithm achieves superior performance over the state-of-the-arts, in terms of both quality and robustness. PMID- 29220311 TI - Quantifying the effects of acute hypoxic exposure on exercise performance and capacity: A systematic review and meta-regression. AB - OBJECTIVE: To quantify the effects of acute hypoxic exposure on exercise capacity and performance, which includes continuous and intermittent forms of exercise. DESIGN: A systematic review was conducted with a three-level mixed effects meta regression. The ratio of means method was used to evaluate main effects and moderators providing practical interpretations with percentage change. DATA SOURCES: A systemic search was performed using three databases (Google scholar, PubMed and SPORTDiscus). Eligibility criteria for selecting studies: Inclusion was restricted to investigations that assessed exercise performance (time trials (TTs), sprint and intermittent exercise tests) and capacity (time to exhaustion test, TTE) with acute hypoxic (<24 h) exposure and a normoxic comparator. RESULTS: Eighty-two outcomes from 53 studies (N = 798) were included in this review. The results show an overall reduction in exercise performance/capacity 17.8 +/- 3.9% (95% CI -22.8% to -11.0%), which was significantly moderated by 6.5 +/- 0.9% per 1000 m altitude elevation (95% CI -8.2% to -4.8%) and oxygen saturation (-2.0 +/- 0.4%; 95% CI -2.9% to -1.2%). TT (-16.2 +/- 4.3%; 95% CI 22.9% to -9%) and TTE (-44.5 +/- 6.9%; 95% CI -51.3% to -36.7%) elicited a negative effect, whilst indicating a quadratic relationship between hypoxic magnitude and both TTE and TT performance. Furthermore, exercise less than 2 min exhibited no ergolytic effect from acute hypoxia. Summary/Conclusion: This review highlights the ergolytic effect of acute hypoxic exposure, which is curvilinear for TTE and TT performance with increasing hypoxic levels, but short duration intermittent and sprint exercise seem to be unaffected. PMID- 29220313 TI - How Does the Low-Rank Matrix Decomposition Help Internal and External Learnings for Super-Resolution. AB - Wisely utilizing the internal and external learning methods is a new challenge in super-resolution problem. To address this issue, we analyze the attributes of two methodologies and find two observations of their recovered details: 1) they are complementary in both feature space and image plane and 2) they distribute sparsely in the spatial space. These inspire us to propose a low-rank solution which effectively integrates two learning methods and then achieves a superior result. To fit this solution, the internal learning method and the external learning method are tailored to produce multiple preliminary results. Our theoretical analysis and experiment prove that the proposed low-rank solution does not require massive inputs to guarantee the performance, and thereby simplifying the design of two learning methods for the solution. Intensive experiments show the proposed solution improves the single learning method in both qualitative and quantitative assessments. Surprisingly, it shows more superior capability on noisy images and outperforms state-of-the-art methods. PMID- 29220314 TI - Random Access Memories: A New Paradigm for Target Detection in High Resolution Aerial Remote Sensing Images. AB - We propose a new paradigm for target detection in high resolution aerial remote sensing images under small target priors. Previous remote sensing target detection methods frame the detection as learning of detection model + inference of class-label and bounding-box coordinates. Instead, we formulate it from a Bayesian view that at inference stage, the detection model is adaptively updated to maximize its posterior that is determined by both training and observation. We call this paradigm "random access memories (RAM)." In this paradigm, "Memories" can be interpreted as any model distribution learned from training data and "random access" means accessing memories and randomly adjusting the model at detection phase to obtain better adaptivity to any unseen distribution of test data. By leveraging some latest detection techniques e.g., deep Convolutional Neural Networks and multi-scale anchors, experimental results on a public remote sensing target detection data set show our method outperforms several other state of the art methods. We also introduce a new data set "LEarning, VIsion and Remote sensing laboratory (LEVIR)", which is one order of magnitude larger than other data sets of this field. LEVIR consists of a large set of Google Earth images, with over 22 k images and 10 k independently labeled targets. RAM gives noticeable upgrade of accuracy (an mean average precision improvement of 1% ~ 4%) of our baseline detectors with acceptable computational overhead. PMID- 29220315 TI - Background Modeling by Stability of Adaptive Features in Complex Scenes. AB - The single-feature-based background model often fails in complex scenes, since a pixel is better described by several features, which highlight different characteristics of it. Therefore, the multi-feature-based background model has drawn much attention recently. In this paper, we propose a novel multi-feature based background model, named stability of adaptive feature (SoAF) model, which utilizes the stabilities of different features in a pixel to adaptively weigh the contributions of these features for foreground detection. We do this mainly due to the fact that the features of pixels in the background are often more stable. In SoAF, a pixel is described by several features and each of these features is depicted by a unimodal model that offers an initial label of the target pixel. Then, we measure the stability of each feature by its histogram statistics over a time sequence and use them as weights to assemble the aforementioned unimodal models to yield the final label. The experiments on some standard benchmarks, which contain the complex scenes, demonstrate that the proposed approach achieves promising performance in comparison with some state-of-the-art approaches. PMID- 29220316 TI - Edge-Based Defocus Blur Estimation With Adaptive Scale Selection. AB - Objects that do not lie at the focal distance of a digital camera generate defocused regions in the captured image. This paper presents a new edge-based method for spatially varying defocus blur estimation using a single image based on reblurred gradient magnitudes. The proposed approach initially computes a scale-consistent edge map of the input image and selects a local reblurring scale aiming to cope with noise, edge mis-localization, and interfering edges. An initial blur estimate is computed at the detected scale-consistent edge points and a novel connected edge filter is proposed to smooth the sparse blur map based on pixel connectivity within detected edge contours. Finally, a fast guided filter is used to propagate the sparse blur map through the whole image. Experimental results show that the proposed approach presents a very good compromise between estimation error and running time when compared with the state of-the-art methods. We also explore our blur estimation method in the context of image deblurring, and show that metrics typically used to evaluate blur estimation may not correlate as expected with the visual quality of the deblurred image. PMID- 29220317 TI - No-Reference Image Quality Assessment by Wide-Perceptual-Domain Scorer Ensemble Method. AB - A no-reference (NR) learning-based approach to assess image quality is presented in this paper. The devised features are extracted from wide perceptual domains, including brightness, contrast, color, distortion, and texture. These features are used to train a model (scorer) which can predict scores. The scorer selection algorithms are utilized to help simplify the proposed system. In the final stage, the ensemble method is used to combine the prediction results from selected scorers. Two multiple-scale versions of the proposed approach are also presented along with the single-scale one. They turn out to have better performances than the original single-scale method. Because of having features from five different domains at multiple image scales and using the outputs (scores) from selected score prediction models as features for multi-scale or cross-scale fusion (i.e., ensemble), the proposed NR image quality assessment models are robust with respect to more than 24 image distortion types. They also can be used on the evaluation of images with authentic distortions. The extensive experiments on three well-known and representative databases confirm the performance robustness of our proposed model. PMID- 29220318 TI - Detection and Separation of Smoke From Single Image Frames. AB - This paper proposes novel methods for detecting and separating smoke from a single image frame. Specifically, an image formation model is derived based on the atmospheric scattering models. The separation of a frame into quasi-smoke and quasi-background components is formulated as convex optimization that solves a sparse representation problem using dual dictionaries for the smoke and background components, respectively. A novel feature is constructed as a concatenation of the respective sparse coefficients for detection. In addition, a method based on the concept of image matting is developed to separate the true smoke and background components from the smoke detection results. Extensive experiments on detection were conducted and the results showed that the proposed feature significantly outperforms existing features for smoke detection. In particular, the proposed method is able to differentiate smoke from other challenging objects (e.g. fog/haze, cloud, and so on) with similar visual appearance in a gray-scale frame. Experiments on smoke separation also demonstrated that the proposed separation method can effectively estimate/separate the true smoke and background components. PMID- 29220319 TI - POI Summarization by Aesthetics Evaluation From Crowd Source Social Media. AB - Place-of-Interest (POI) summarization by aesthetics evaluation can recommend a set of POI images to the user and it is significant in image retrieval. In this paper, we propose a system that summarizes a collection of POI images regarding both aesthetics and diversity of the distribution of cameras. First, we generate visual albums by a coarse-to-fine POI clustering approach and then generate 3D models for each album by the collected images from social media. Second, based on the 3D to 2D projection relationship, we select candidate photos in terms of the proposed crowd source saliency model. Third, in order to improve the performance of aesthetic measurement model, we propose a crowd-sourced saliency detection approach by exploring the distribution of salient regions in the 3D model. Then, we measure the composition aesthetics of each image and we explore crowd source salient feature to yield saliency map, based on which, we propose an adaptive image adoption approach. Finally, we combine the diversity and the aesthetics to recommend aesthetic pictures. Experimental results show that the proposed POI summarization approach can return images with diverse camera distributions and aesthetics. PMID- 29220320 TI - Virtual View Synthesis for Free Viewpoint Video and Multiview Video Compression using Gaussian Mixture Modelling. AB - High quality virtual views need to be synthesized from adjacent available views for free viewpoint video and multiview video coding (MVC) to provide users with a more realistic 3D viewing experience of a scene. View synthesis techniques suffer from poor rendering quality due to holes created by occlusion and rounding integer error through warping. To remove the holes in the virtual view, the existing techniques use spatial and temporal correlation in intra/inter-view images and depth maps. However, they still suffer quality degradation in the boundary region of foreground and background areas due to the low spatial correlation in texture images and low correspondence in inter-view depth maps. To overcome the above-mentioned limitations, we use a number of models in the Gaussian mixture modeling (GMM) to separate background and foreground pixels in our proposed technique. Here, the missing pixels introduced from the warping process are recovered by the adaptive weighted average of the pixel intensities from the corresponding GMM model(s) and warped image. The weights vary with time to accommodate the changes due to a dynamic background and the motions of the moving objects for view synthesis. We also introduce an adaptive strategy to reset the GMM modeling if the contributions of the pixel intensities drop significantly. Our experimental results indicate that the proposed approach provides 5.40-6.60-dB PSNR improvement compared with the relevant methods. To verify the effectiveness of the proposed view synthesis technique, we use it as an extra reference frame in the motion estimation for MVC. The experimental results confirm that the proposed view synthesis is able to improve PSNR by 3.15 5.13 dB compared with the conventional three reference frames. PMID- 29220321 TI - End-to-End Blind Image Quality Assessment Using Deep Neural Networks. AB - We propose a multi-task end-to-end optimized deep neural network (MEON) for blind image quality assessment (BIQA). MEON consists of two sub-networks-a distortion identification network and a quality prediction network-sharing the early layers. Unlike traditional methods used for training multi-task networks, our training process is performed in two steps. In the first step, we train a distortion type identification sub-network, for which large-scale training samples are readily available. In the second step, starting from the pre-trained early layers and the outputs of the first sub-network, we train a quality prediction sub-network using a variant of the stochastic gradient descent method. Different from most deep neural networks, we choose biologically inspired generalized divisive normalization (GDN) instead of rectified linear unit as the activation function. We empirically demonstrate that GDN is effective at reducing model parameters/layers while achieving similar quality prediction performance. With modest model complexity, the proposed MEON index achieves state-of-the-art performance on four publicly available benchmarks. Moreover, we demonstrate the strong competitiveness of MEON against state-of-the-art BIQA models using the group maximum differentiation competition methodology. PMID- 29220322 TI - Effect of Aggregation Operators on Network-Based Disease Gene Prioritization: A Case Study on Blood Disorders. AB - Owing to the innate noise in the biological data sources, a single source or a single measure do not suffice for an effective disease gene prioritization. So, the integration of multiple data sources or aggregation of multiple measures is the need of the hour. The aggregation operators combine multiple related data values to a single value such that the combined value has the effect of all the individual values. In this paper, an attempt has been made for applying the fuzzy aggregation on the network-based disease gene prioritization and investigate its effect under noise conditions. This study has been conducted for a set of 15 blood disorders by fusing four different network measures, computed from the protein interaction network, using a selected set of aggregation operators and ranking the genes on the basis of the aggregated value. The aggregation operator based rankings have been compared with the "Random walk with restart" gene prioritization method. The impact of noise has also been investigated by adding varying proportions of noise to the seed set. The results reveal that for all the selected blood disorders, the Mean of Maximal operator has relatively outperformed the other aggregation operators for noisy as well as non-noisy data. PMID- 29220323 TI - Grasp Performance of a Soft Synergy-Based Prosthetic Hand: A Pilot Study. AB - Current prosthetic hands are frequently rejected in part due to limited functionality and versatility. We assessed the feasibility of a novel prosthetic hand, the SoftHand Pro (SHP), whose design combines soft robotics and hand postural synergies. Able-bodied subjects ( ) tracked cursor motion by opening and closing the SHP and performed a grasp-lift-hold-release (GLHR) task with a sensorized cylindrical object of variable weight. The SHP control was driven by electromyographic (EMG) signals from two antagonistic muscles. Although the time to perform the GLHR task was longer for the SHP than native hand for the first few trials (10.2 +/- 1.4 s and 2.13 +/- 0.09 s, respectively), performance was much faster on subsequent trials (~5 s). The SHP steady-state grip force was significantly modulated as a function of object weight ( ). For the native hand, however, peak and steady-state grip forces were modulated to a greater extent (+68% and +91%, respectively). These changes were mediated by the modulation of EMG amplitude and co-contraction. These data suggest that the SHP has a promise for prosthetic applications and point-to-design modifications that could improve the SHP. PMID- 29220324 TI - Performance of Optimized Prosthetic Ankle Designs That Are Based on a Hydraulic Variable Displacement Actuator (VDA). AB - Current energy storage and return prosthetic feet only marginally reduce the cost of amputee locomotion compared with basic solid ankle cushioned heel feet, possibly due to their lack of push-off at the end of stance. To the best of our knowledge, a prosthetic ankle that utilizes a hydraulic variable displacement actuator (VDA) to improve push-off performance has not previously been proposed. Therefore, here we report a design optimization and simulation feasibility study for a VDA-based prosthetic ankle. The proposed device stores the eccentric ankle work done from heel strike to maximum dorsiflexion in a hydraulic accumulator and then returns the stored energy to power push-off. Optimization was used to establish the best spring characteristic and gear ratio between ankle and VDA. The corresponding simulations show that, in level walking, normal push-off is achieved and, per gait cycle, the energy stored in the accumulator increases by 22% of the requirements for normal push-off. Although the results are promising, there are many unanswered questions and, for this approach to be a success, a new miniature, low-losses, and lightweight VDA would be required that is half the size of the smallest commercially available device. PMID- 29220325 TI - Direction Modulation of Muscle Synergies in a Hand-Reaching Task. AB - Functional tasks of the upper extremity can be executed by a variety of muscular patterns, independent of the direction, speed and load of the task. This large number of degrees of freedom imposes a significant control burden on the CNS. Previous studies suggested that the human cortex synchronizes a discrete number of neural functional units within the brainstem and spinal cord, i.e. muscle synergies, by linearly combining them to execute a great repertoire of movements. Further exploring this control mechanism, we aim to study whether a single set of muscle synergies might be generalized to express movements in different directions. This was implemented by using a modified version of the non-negative matrix factorization algorithm on EMG data sets of the upper extremity of healthy people. Our twelve participants executed hand-reaching movements in multiple directions. Muscle synergies that were extracted from movements to the center of the reaching space could be generalized to synergies for other movement directions. This finding was also supported by the application of a weighted correlation matrix, the similarity index and the results of the K-means cluster analysis. This might reinforce the notion that the CNS flexibly combines a single set of small number of synergies in different amplitudes to modulate movement for different directions. PMID- 29220326 TI - A Portable Ultrasound System for Non-Invasive Ultrasonic Neuro-Stimulation. AB - Fundamental insights into the function of the neural circuits often follows from the advances in methodologies and tools for neuroscience. Electrode- and optical- based stimulation methods have been used widely for neuro-modulation with high resolution. However, they are suffering from inherent invasive surgical procedure. Ultrasound has been proved as a promising technology for neuro stimulation in a non-invasive manner. However, no portable ultrasound system has been developed particularly for neuro-stimulation. The utilities used currently are assembled by traditional functional generator, power amplifier, and general transducer, therefore, resulting in lack of flexibility. This paper presents a portable system to achieve ultrasonic neuro-stimulation to satisfy various studies. The system incorporated a high voltage waveform generator and a matching circuit that were optimized for neuro-stimulation. A new switching mode power amplifier was designed and fabricated. The noise generated by the power amplifier was reduced (about 30 dB), and the size and weight were smaller in contrast with commercial equipment. In addition, a miniaturized ultrasound transducer was fabricated using Pb(Mg1/3Nb2/3)O3-PbTiO3(PMN-PT) 1-3 composite single crystal for the improved ultrasonic performance. The spatial peak temporal average pressure was higher than 250 kPa in the range of 0.5-5 MHz. In vitro and in vivo studies were conducted to show the performance of the system. PMID- 29220328 TI - Message from the Editor-in-Chief. PMID- 29220327 TI - Self-Paced Operation of a Wheelchair Based on a Hybrid Brain-Computer Interface Combining Motor Imagery and P300 Potential. AB - This paper presents a hybrid brain-computer interface (BCI) that combines motor imagery (MI) and P300 potential for the asynchronous operation of a brain controlled wheelchair whose design is based on a Mecanum wheel. This paradigm is completely user-centric. By sequentially performing MI tasks or paying attention to P300 flashing, the user can use eleven functions to control the wheelchair: move forward/backward, move left/right, move left45/right45, accelerate/decelerate, turn left/right, and stop. The practicality and effectiveness of the proposed approach were validated in eight subjects, all of whom achieved good performance. The preliminary results indicated that the proposed hybrid BCI system with different mental strategies operating sequentially is feasible and has potential applications for practical self-paced control. PMID- 29220329 TI - Preface. PMID- 29220332 TI - PreScription: Issues with the NAMS 2017 Hormone Therapy Position Statement. PMID- 29220331 TI - Regenerative potential of secretome from dental stem cells: a systematic review of preclinical studies. AB - Injury to tissues is a major clinical challenge due to the limited regenerative capacity of endogenous cells. Stem cell therapy is evolving rapidly as an alternative for tissue regeneration. However, increasing evidence suggests that the regenerative ability of stem cells is mainly mediated by paracrine actions of secretome that are generally secreted by the cells. We aimed to systematically evaluate the efficacy of dental stem cell (DSC)-conditioned medium in in vivo animal models of various tissue defects. A total of 15 eligible studies was included by searching Pubmed, Scopus and Medline databases up to August 2017. The risk of bias was assessed using the Systematic Review Centre for Laboratory Animal Experimentation risk of bias tool. Of 15 studies, seven reported the therapeutic benefit of the conditioned medium on neurological diseases and three reported on joint/bone-related defects. Two interventions were on liver diseases, whereas the remaining three addressed myocardial infarction and reperfusion, lung injury and diabetes. Nine studies were performed using mouse models and the remaining six studies used rat models. The methodological quality of the studies was low, as most of the key elements required in reports of preclinical studies were not reported. The findings of this review suggested that conditioned medium from DSCs improved tissue regeneration and functional recovery. This current review strengthens the therapeutic benefit of cell-free product for tissue repair in animal models. A well-planned study utilizing validated outcome measures and long-term safety studies are required for possible translation to clinical trials. PMID- 29220333 TI - Feline Transdermal Formulation Considerations. AB - Transdermal delivery of drugs is comparatively new in feline patients. However, transdermal formulations can be a desirable option for treating feline patients that are not willing participants to medication administration. However, achieving drug penetration across the skin is not always easy, and there are a wide variety of variables that can further affect penetration. This, coupled with a lack of studies, make transdermal administration an unknown with regards to efficacy and safety for many drugs. This article focuses on drugs that are administered transdermally with the intent of producing systemic effects. PMID- 29220334 TI - Orodispersible Films for Compounding Pharmacies. AB - Orodispersible film can be defined as a solid pharmaceutical form intended for the delivery and rapid local or systemic release of active ingredients, consisting of a water-soluble polymer film that hydrates rapidly, adhering and dissolving immediately when placed on the tongue or in the oral cavity (oral, palatal, gingival, lingual, or sublingual), without the need for water administration or mastication. Due to its outstanding importance in cases of emergency, practicality of use by patients in transit, and high adherence, orodispersible film has evolved in popularity and success among consumers. It is a promising dosage form for compounding pharmacies, as simpler technologies are being developed to make the compound process easier and faster for the pharmacist. This article aims to explore some of the basics on orodispersible film and the main possible preparations to be developed in compounding pharmacies worldwide. PMID- 29220330 TI - Early Recurrence and Major Bleeding in Patients With Acute Ischemic Stroke and Atrial Fibrillation Treated With Non-Vitamin-K Oral Anticoagulants (RAF-NOACs) Study. AB - BACKGROUND: The optimal timing to administer non-vitamin K oral anticoagulants (NOACs) in patients with acute ischemic stroke and atrial fibrillation is unclear. This prospective observational multicenter study evaluated the rates of early recurrence and major bleeding (within 90 days) and their timing in patients with acute ischemic stroke and atrial fibrillation who received NOACs for secondary prevention. METHODS AND RESULTS: Recurrence was defined as the composite of ischemic stroke, transient ischemic attack, and symptomatic systemic embolism, and major bleeding was defined as symptomatic cerebral and major extracranial bleeding. For the analysis, 1127 patients were eligible: 381 (33.8%) were treated with dabigatran, 366 (32.5%) with rivaroxaban, and 380 (33.7%) with apixaban. Patients who received dabigatran were younger and had lower admission National Institutes of Health Stroke Scale score and less commonly had a CHA2DS2 VASc score >4 and less reduced renal function. Thirty-two patients (2.8%) had early recurrence, and 27 (2.4%) had major bleeding. The rates of early recurrence and major bleeding were, respectively, 1.8% and 0.5% in patients receiving dabigatran, 1.6% and 2.5% in those receiving rivaroxaban, and 4.0% and 2.9% in those receiving apixaban. Patients who initiated NOACs within 2 days after acute stroke had a composite rate of recurrence and major bleeding of 12.4%; composite rates were 2.1% for those who initiated NOACs between 3 and 14 days and 9.1% for those who initiated >14 days after acute stroke. CONCLUSIONS: In patients with acute ischemic stroke and atrial fibrillation, treatment with NOACs was associated with a combined 5% rate of ischemic embolic recurrence and severe bleeding within 90 days. PMID- 29220336 TI - Join the Partnership for Personalized Prescriptions (P3) Advocacy Effort! PMID- 29220335 TI - Features of Pharmaceutical Compounding in the Republic of Tajikistan. AB - Despite the deep assortment of finished pharmaceutical products and the reduction in the number of compounding and hospital pharmacies in the Republic of Tajikistan, the need for extemporal medicinal products is still preserved and remains relevant. This article discusses the practice of compounding in the Republic of Tajikistan. History, laws, limits, regulatory institutions, protocols for compounding pharmacy set up, challenges, equipment, extemporaneous formulations, quality control, and storage within regulatory framework are discussed. PMID- 29220337 TI - Basics of Compounding: Hot Melt Extrusion. AB - Hot Melt Extrusion, a production process that has been around for quite some time, has the ability to produce innovative compounds not previously achievable with conventional methods. However, many variables need to be considered prior to production. The use of small-scale extruders and 3D printers provides compounders a pathway for developing new dosage forms at a minimal cost while initial research is being completed. This article discusses the uses of Hot Melt Extrusion, the equipment used, the current and future applications, and the challenges with the technology. PMID- 29220338 TI - Basics of Compounding: Compounding Irrigation Solutions for Sterile and Nonsterile Preparations. AB - Compounding pharmacists are sometimes called upon to prepare irrigation solutions, especially in the hospital or clinical setting. Irrigations are indicated for washing or bathing surgical incisions, wounds, and body tissues, including body cavities. Some irrigation solutions coming in contact with exposed tissue, must meet stringent requirements of sterility and bacterial endotoxins. Compounded irrigation solutions may involve wound(s), the bladder, and also may be for ophthalmic, otic, and nasal application. Some vaginal douches/instillations and rectal solutions may also be used as irrigations. As with any medication administered to the body or used on body tissues, there are requirements, and these may vary depending on the type of irrigation solution involved. PMID- 29220339 TI - To Flavor or Not to Flavor Extemporaneous Omeprazole Liquid. AB - Omeprazole is a proton pump inhibitor used to treat the symptoms of gastro esophageal reflux disease, ulcers, excess stomach acid, infection with Helicobacter pylori, and to control the gastric side effects of various drugs. The approved dosage forms in the U.S. are powder in compounding kits, delayed release granules for oral suspension, oral delayed-release tablets, and oral delayed-release capsules. An extemporaneously compounded unsweetened oral liquid method, published in the International Journal of Pharmaceutical Compounding, was found to be commonly used by pharmacists. This project investigated the robustness of the compendium omeprazole high-performance liquid chromatographic assay in evaluating an oral liquid made from commercial delayed-release pellets, the potency of extemporaneously compounded solutions having a 1.125% v/v flavored versus unflavored samples stored at controlled cold temperatures at different time points, and examining the absorption spectrum of the flavoring agent. As part of the study, stability-indication testing was also conducted. The studies indicate that the chromatographic area under the plasma concentration-time curve of both study groups remained over 90% of the label claim during the follow-up period. The flavor did not significantly impact the pH of the oral liquid. This study further identified (1) an increase in resilient foam formation in the flavored liquid, potentially hindering dosing accuracy, (2) omeprazole is oxidized easily by 3% hydrogen peroxide, and (3) flavoring agent absorbs in an ultraviolet visible spectroscopy spectral range often used in assay detectors for quantification of drug molecules, and could interfere with assay protocols of the same. PMID- 29220340 TI - Validation of the Technological Process of the Preparation "Milk by Vidal". AB - Validation was performed on the technological process of the compounded preparation "Milk by Vidal" in accordance with the requirements of the regulatory framework of Ukraine. Critical stages of formulation which can affect the quality of the finished preparation were considered during the research. The obtained results indicated that the quality of the finished preparation met the requirements of the State Pharmacopoeia of Ukraine. PMID- 29220341 TI - Auditing Safety of Compounding and Reconstituting of Intravenous Medicines on Hospital Wards in Finland. AB - On the hospital wards in Finland, nurses generally reconstitute intravenous medicines, such as antibiotics, analgesics, and antiemetics prescribed by doctors. Medicine reconstitution is prone to many errors. Therefore, it is important to identify incorrect practices in the reconstitution of medicine to improve patient safety in hospitals. The aim of this study was to audit the compounding and reconstituting of intravenous medicines on hospital wards in a secondary-care hospital in Finland by using an assessment tool and microbiological testing for identifying issues posing patient safety risks. A hospital pharmacist conducted an external audit by using a validated 65-item assessment tool for safe-medicine compounding practices on 20 wards of the selected hospital. Also, three different microbiological samples were collected to assure the aseptics. Practices were evaluated using a four-point rating scale of "never performed," "rarely performed," "often performed," and "always performed," and were based on observation and interviews with nurses or ward pharmacists. In addition, glove-, settle plate-, and media fill-tests were collected. Associations between microbial sample results and audit-tool results were discussed. Altogether, only six out of the 65 items were fully implemented in all wards; these were related to logistic practices and quality assurance. More than half of the wards used incorrect practices ("rarely performed" or "never performed") for five items. Most of these obviated practices related to aseptic practices. All media-fill tests were clean but the number of colony forming units in glove samples and settle- plate samples varied from 0 to >100. More contamination was found in wards where environmental conditions were inadequate or the use of gloves was incorrect. Compounding practices were [mostly] quite well adapted, but the aseptic practices needed improvement. Attention should have been directed particularly to good aseptic techniques and compounding environment on the wards. These results can be used for updating the guidelines and for training nurses involved in compounding. PMID- 29220342 TI - Effect of Penetration Enhancers on the Percuaneous Delivery of Hormone Replacement Actives. AB - Transdermal compositions for hormone replacement are comprised of exogenous hormones that are biochemically similar to those produced endogenously by the ovaries or elsewhere in the body. In this work, estradiol, estriol, and testosterone were loaded in transdermal vehicles, prepared using one of three selected penetration enhancer mixtures: Vehicle 1 (olive oil and oleic acid), Vehicle 2 (isopropyl palmitate and lecithin), and Vehicle 3 (isopropyl myristate and lecithin). The influence of penetration enhancers on transdermal delivery was evaluated using Franz-type diffusion cells and Normal Human 3D Model of Epidermal Tissue. Results showed that drug delivery is affected by the penetration enhancer used in the transdermal composition. PMID- 29220343 TI - Two techniques to sample non-volatiles in breath-exemplified by methadone. AB - The particles in exhaled breath provide a promising matrix for the monitoring of pathological processes in the airways, and also allow exposure to exogenous compounds to be to assessed. The collection is easy to perform and is non invasive. The aim of the present study is to assess if an exogenous compound methadone-is distributed in the lining fluid of small airways, and to compare two methods for collecting methadone in particles in exhaled breath. Exhaled particles were collected from 13 subjects receiving methadone maintenance treatment. Two different sampling methods were applied: one based on electret filtration, potentially collecting exhaled particles of all sizes, and one based on impaction, collecting particles in the size range of 0.5-7 MUm, known to reflect the respiratory tract lining fluid from the small airways. The collected samples were analyzed by liquid chromatography mass spectrometry, and the impact of different breathing patterns was also investigated. The potential contribution from the oral cavity was investigated by rinsing the mouth with a codeine solution, followed by codeine analysis of the collected exhaled particles by both sampling methods. The results showed that methadone was present in all samples using both methods, but when using the method based on impaction, the concentration of methadone in exhaled breath was less than 1% of the concentration collected by the method based on filtration. Optimizing the breathing pattern to retrieve particles from small airways did not increase the amount of exhaled methadone collected by the filtration method. The contamination from codeine present in the oral cavity was only detected in samples collected by the impaction method. We conclude that methadone is distributed in the respiratory tract lining fluid of small airways. The samples collected by the filtration method most likely contained a contribution from the upper airways/oral fluid in contrast to the impaction method. PMID- 29220345 TI - A randomized trial of bifurcation stenting technique in chronic total occlusions percutaneous coronary intervention. AB - BACKGROUND: The optimal strategy to treat bifurcation lesions (BFLs) in a percutaneous coronary intervention (PCI) for chronic total occlusions (CTOs) remains unknown. AIMS: We sought to assess whether T-provisional or mini-crush is appropriate for BFLs within CTO vessels. PATIENTS AND METHODS: From January 2011 to December 2013, patients who underwent successful CTO guidewire crossing and with a BFL within the CTO target vessel were enrolled prospectively and assigned randomly to either T-provisional stenting or the mini-crush technique for BFL treatment. One-year clinical follow-up was performed. Major adverse cardiac and cerebrovascular events (MACCE) were defined as the composite of cardiovascular death, myocardial infarction, target vessel revascularization, and stroke. RESULTS: The prevalence of BFLs was 54.3%. A total of 146 patients with BFLs within CTO vessel were enrolled prospectively and assigned randomly to either T provisional stenting (N=73) or the mini-crush technique (N=73). Angiographic and clinical success rates were similar in the two groups: 91.8 versus 97.2% (P=0.27) and 91.8 versus 94.5% (P=0.67), respectively.Although T-provisional stenting was associated with a nonsignificantly lower incidence of MACCE in case of BFLs located far from the CTO (9.3 vs. 22.2%; P=0.426), the mini-crush technique resulted in higher MACCE-free survival at 1 year in the presence of BFLs within the CTO body or close to the proximal or the distal cap (89.1 vs. 64.9%; P=0.007). CONCLUSION: The mini-crush technique appeared to be associated with improved 1-year clinical and angiographic outcomes, particularly when used to treat BFLs located within the CTO body or close to the proximal or the distal cap. PMID- 29220346 TI - Decreased Lymphocyte-to-Monocyte Ratio Predicts Poor Prognosis of Acute Ischemic Stroke Treated with Thrombolysis. AB - BACKGROUND Our previous study found that lower lymphocyte-to-monocyte ratio (LMR) is an independent risk factor of clinical outcome of acute ischemic stroke (AIS). However, whether lower LMR is independently associated with adverse prognosis of AIS treated with thrombolysis has not been determined. In this study, we explored the relationship between LMR and prognosis of AIS treated with thrombolysis. MATERIAL AND METHODS We retrospectively enrolled 108 patients treated with thrombolysis. LMR was calculated according to lymphocyte count and monocyte count on admission. Patients were classified into 3 groups according to LMR values on admission (group 1 LMR >4.34, group 2 LMR 2.79 to 4.34, group 3 LMR <2.79). Neurologic impairment was estimated by use of the National Institute of Health Stroke Scale. Clinical prognosis at 3 months was assessed by modified Rankin Scale. The relationship between LMR and neurologic impairment was analyzed by Spearman rank correlation. Receiver operating characteristic curve (ROC) was used to evaluate the ability of LMR to predict outcome. RESULTS Patients in group 3 had lower lymphocyte counts and LMR values and higher monocyte counts (P<0.001). LMR value was negatively correlated with the degree of neurologic impairment (r= 0.372, P<0.001). The ROC suggested a moderate sensitivity (71.6%) and specificity (80.5%) of LMR for predicting prognosis with an optimal cut-off point at 3.48. Higher LMR value was an independent protective factor against adverse prognosis (odds ratio 0.683, 95% confidence interval 0.490-0.952, P=0.024). CONCLUSIONS A lower LMR value is an independent predictor of poor prognosis of AIS treated with thrombolytic therapy. PMID- 29220347 TI - Assessing the benefits of five years of different approaches to treatment of urogenital schistosomiasis: A SCORE project in Northern Mozambique. AB - BACKGROUND: In Mozambique, schistosomiasis is highly endemic across the whole country. The Schistosomiasis Consortium for Operational Research and Evaluation (SCORE) coordinates a five-year study that has been implemented in various African countries, including Mozambique. The overall goal of SCORE was to better understand how to best apply preventive chemotherapy with praziquantel (PZQ) for schistosomiasis control by evaluating the impact of alternative treatment approaches. METHODS: This was a cluster-randomised trial that compared the impact of different treatment strategies in study areas with prevalence among school children of >=21% S. haematobium infection by urine dipstick. Each village was randomly allocated to one of six possible combinations of community-wide treatment (CWT), school-based treatment (SBT), and/or drug holidays over a period of four years, followed by final data collection in the fifth year. The most intense intervention arm involved four years of CWT, while the least intensive arm involved two years of SBT followed by two consecutive years of PZQ holiday. Each study arm included 25 villages randomly assigned to one of the six treatment arms. The primary outcome of interest was change in prevalence and intensity of S. haematobium among 100 children aged 9-to-12-years that were sampled each year in every village. In addition to children aged 9-to-12 years, 100 children aged 5 8 years in their first-year of school and 50 adults (aged 20-55 years) were tested in the first and final fifth year of the study. Prevalence and intensity of S. haematobium infection was evaluated by two filtrations, each of 10mL, from a single urine specimen. PRINCIPAL FINDINGS: In total, data was collected from 81,167 individuals across 149 villages in ten districts of Cabo Delgado province, Northern Mozambique. Overall PZQ treatment resulted in a significant reduction in the prevalence of S. haematobium infection from Year 1 to Year 5, where the average prevalence went from 60.5% to 38.8%, across all age groups and treatment arms. The proportion of those heavily infected also reduced from 17.6% to 11.9% over five years. There was a significantly higher likelihood of males being infected than females at baseline, but no significant difference between the sexes in their response to treatment. The only significant response based on a study arm was seen in both the 9-to-12-year-old and first-year cross sections, where two consecutive treatment holidays resulted in a significantly higher final prevalence of S. haematobium than no treatment holidays. When the arms were grouped together, four rounds of treatment (regardless of whether it was CWT or SBT), however, did result in a significantly greater reduction in S. haematobium prevalence than two rounds of treatment (i.e. with two intermittent or consecutive holiday years) over a five-year period. CONCLUSIONS: Although PC was successful in reducing the burden of active infection, even among those heavily infected, annual CWT did not have a significantly greater impact on disease prevalence or intensity than less intense treatment arms. This may be due to extremely high starting prevalence and intensity in the study area, with frequent exposure to reinfection, or related to challenges in achieving high treatment coverage More frequent treatment had a greater impact on prevalence and intensity of infection when arms were grouped by number of treatments, however, cost efficiency was greater in arms only receiving two treatments. Finally, a significant reduction in prevalence of S. haematobium was seen in adults even in the SBT arms implying the rate of transmission in the community had been decreased, even where only school children have been treated, which has significant logistical and cost-saving implications for a national control programme in justifying CWT. PMID- 29220348 TI - The pea branching RMS2 gene encodes the PsAFB4/5 auxin receptor and is involved in an auxin-strigolactone regulation loop. AB - Strigolactones (SLs) are well known for their role in repressing shoot branching. In pea, increased transcript levels of SL biosynthesis genes are observed in stems of highly branched SL deficient (ramosus1 (rms1) and rms5) and SL response (rms3 and rms4) mutants indicative of negative feedback control. In contrast, the highly branched rms2 mutant has reduced transcript levels of SL biosynthesis genes. Grafting studies and hormone quantification led to a model where RMS2 mediates a shoot-to-root feedback signal that regulates both SL biosynthesis gene transcript levels and xylem sap levels of cytokinin exported from roots. Here we cloned RMS2 using synteny with Medicago truncatula and demonstrated that it encodes a putative auxin receptor of the AFB4/5 clade. Phenotypes similar to rms2 were found in Arabidopsis afb4/5 mutants, including increased shoot branching, low expression of SL biosynthesis genes and high auxin levels in stems. Moreover, afb4/5 and rms2 display a specific resistance to the herbicide picloram. Yeast two-hybrid experiments supported the hypothesis that the RMS2 protein functions as an auxin receptor. SL root feeding using hydroponics repressed auxin levels in stems and down-regulated transcript levels of auxin biosynthesis genes within one hour. This auxin down-regulation was also observed in plants treated with the polar auxin transport inhibitor NPA. Together these data suggest a homeostatic feedback loop in which auxin up-regulates SL synthesis in an RMS2-dependent manner and SL down-regulates auxin synthesis in an RMS3 and RMS4-dependent manner. PMID- 29220351 TI - Driver fatigue detection through multiple entropy fusion analysis in an EEG-based system. AB - Driver fatigue is an important contributor to road accidents, and fatigue detection has major implications for transportation safety. The aim of this research is to analyze the multiple entropy fusion method and evaluate several channel regions to effectively detect a driver's fatigue state based on electroencephalogram (EEG) records. First, we fused multiple entropies, i.e., spectral entropy, approximate entropy, sample entropy and fuzzy entropy, as features compared with autoregressive (AR) modeling by four classifiers. Second, we captured four significant channel regions according to weight-based electrodes via a simplified channel selection method. Finally, the evaluation model for detecting driver fatigue was established with four classifiers based on the EEG data from four channel regions. Twelve healthy subjects performed continuous simulated driving for 1-2 hours with EEG monitoring on a static simulator. The leave-one-out cross-validation approach obtained an accuracy of 98.3%, a sensitivity of 98.3% and a specificity of 98.2%. The experimental results verified the effectiveness of the proposed method, indicating that the multiple entropy fusion features are significant factors for inferring the fatigue state of a driver. PMID- 29220349 TI - Neural correlates of motor-cognitive dual-tasking in young and old adults. AB - When two tasks are performed simultaneously, performance often declines in one or both tasks. These so-called dual-task costs are more pronounced in old than in young adults. One proposed neurological mechanism of the dual-task costs is that old compared with young adults tend to execute single-tasks with higher brain activation. In the brain regions that are needed for both tasks, the reduced residual capacity may interfere with performance of the dual-task. This competition for shared brain regions has been called structural interference. The purpose of the study was to determine whether structural interference indeed plays a role in the age-related decrease in dual-task performance. Functional magnetic resonance imaging (fMRI) was used to investigate 23 young adults (20-29 years) and 32 old adults (66-89 years) performing a calculation (serial subtraction by seven) and balance-simulation (plantar flexion force control) task separately or simultaneously. Behavioral performance decreased during the dual task compared with the single-tasks in both age groups, with greater dual-task costs in old compared with young adults. Brain activation was significantly higher in old than young adults during all conditions. Region of interest analyses were performed on brain regions that were active in both tasks. Structural interference was apparent in the right insula, as quantified by an age related reduction in upregulation of brain activity from single- to dual-task. However, the magnitude of upregulation did not correlate with dual-task costs. Therefore, we conclude that the greater dual-task costs in old adults were probably not due to increased structural interference. PMID- 29220350 TI - Deep sequencing of near full-length HIV-1 genomes from plasma identifies circulating subtype C and infrequent occurrence of AC recombinant form in Southern India. AB - India has the third largest number of HIV-1-infected individuals accounting for approximately 2.1 million people, with a predominance of circulating subtype C strains and a low prevalence of subtype A and A1C and BC recombinant forms, identified over the past two decades. Recovery of near full-length HIV-1 genomes from a plasma source coupled with advances in next generation sequencing (NGS) technologies and development of universal methods for amplifying whole genomes of HIV-1 circulating in a target geography or population provides the opportunity for a detailed analysis of HIV-1 strain identification, evolution and dynamics. Here we describe the development and implementation of approaches for HIV-1 NGS analysis in a southern Indian cohort. Plasma samples (n = 20) were obtained from HIV-1-confirmed individuals living in and around the city of Bengaluru. Near full length genome recovery was obtained for 9 Indian HIV-1 patients, with recovery of full-length gag and env genes for 10 and 2 additional subjects, respectively. Phylogenetic analyses indicate the majority of sequences to be represented by subtype C viruses branching within a monophyletic clade, comprising viruses from India, Nepal, Myanmar and China and closely related to a southern African cluster, with a low prevalence of the A1C recombinant form also present. Development of algorithms for bespoke recovery and analysis at a local level will further aid clinical management of HIV-1 infected Indian subjects and delineate the progress of the HIV-1 pandemic in this and other geographical regions. PMID- 29220352 TI - How do slums change the relationship between urbanization and the carbon intensity of well-being? AB - This study examines how the relationship between urbanization (measured as the percentage of total population living in urban areas) and the carbon intensity of well-being (CIWB) (measured as a ratio of carbon dioxide emissions and life expectancy) in most nations from 1960-2013 varies based on the economic context and whereabouts of a substantial portion of a nation's urban population. To accomplish this, we use the United Nations' (UN) definition of slum households to identify developing countries that have substantial slum populations, and estimate a Prais-Winsten regression model with panel-corrected standard errors (PCSE), allowing for disturbances that are heteroskedastic and contemporaneously correlated across panels. Our findings indicate that the rate of increase in CIWB for countries without substantial slum populations begins to slow down at higher levels of urbanization, however, the association between urbanization and CIWB is much smaller in countries with substantial slum populations. Overall, while urbanization is associated with increases in CIWB, the relationship between urban development and CIWB is vastly different in developed nations without slums than in under-developed nations with slums. PMID- 29220353 TI - Research on HIV cure: Mapping the ethics landscape. AB - In an essay, Karine Dube and coauthors discuss the ethics of preclinical and clinical studies relevant to achieving an HIV cure. PMID- 29220355 TI - Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study. AB - Patellofemoral Pain (PFP) is highly prevalent among adults and adolescents. Localized mechanical hyperalgesia around the knee and tibialis anterior have been observed in people with PFP, but limited knowledge of potential manifestations of central sensitisation exists. The aims of this study were to study conditioned pain modulation (CPM) and wide-spread hyperalgesia in adults with PFP. This assessor-blinded cross-sectional study design compared CPM and mechanical pressure pain thresholds (PPT) between 33 adults (23 females) diagnosed with PFP and 32 age and sex matched pain-free controls. The investigator taking the PPT measurements was blinded to which participants had PFP. PPTs were reliably measured using a Somedic hand-held pressure algometer at three sites: 1) The centre of the patella, 2) the tibialis anterior muscle and 3) a remote site on the lateral epicondyle. For the assessment of CPM, experimental pain was induced to the contralateral hand by immersion into a cold water bath (conditioning stimulus), and assessment of PPTs (the test stimulus) was performed before and immediately after the conditioning stimulation. On average, the CPM paradigm induced a significant increase in PPTs across the three sites (6.3-13.5%, P<0.05), however there was no difference in CPM between young adults with PFP compared to the control group, (F(1,189) = 0.39, P = 0.89). There was no difference in mechanical PPTs between the two groups (F(1,189) = 0.03, P = 0.86). Contrary to our a-priori hypothesis, we found no difference in CPM or PPT between young adults with PFP and age and sex matched pain-free controls. PMID- 29220354 TI - Interpreting ambiguous 'trace' results in Schistosoma mansoni CCA Tests: Estimating sensitivity and specificity of ambiguous results with no gold standard. AB - BACKGROUND: The development of new diagnostics is an important tool in the fight against disease. Latent Class Analysis (LCA) is used to estimate the sensitivity and specificity of tests in the absence of a gold standard. The main field diagnostic for Schistosoma mansoni infection, Kato-Katz (KK), is not very sensitive at low infection intensities. A point-of-care circulating cathodic antigen (CCA) test has been shown to be more sensitive than KK. However, CCA can return an ambiguous 'trace' result between 'positive' and 'negative', and much debate has focused on interpretation of traces results. METHODOLOGY/PRINCIPLE FINDINGS: We show how LCA can be extended to include ambiguous trace results and analyse S. mansoni studies from both Cote d'Ivoire (CdI) and Uganda. We compare the diagnostic performance of KK and CCA and the observed results by each test to the estimated infection prevalence in the population. Prevalence by KK was higher in CdI (13.4%) than in Uganda (6.1%), but prevalence by CCA was similar between countries, both when trace was assumed to be negative (CCAtn: 11.7% in CdI and 9.7% in Uganda) and positive (CCAtp: 20.1% in CdI and 22.5% in Uganda). The estimated sensitivity of CCA was more consistent between countries than the estimated sensitivity of KK, and estimated infection prevalence did not significantly differ between CdI (20.5%) and Uganda (19.1%). The prevalence by CCA with trace as positive did not differ significantly from estimates of infection prevalence in either country, whereas both KK and CCA with trace as negative significantly underestimated infection prevalence in both countries. CONCLUSIONS: Incorporation of ambiguous results into an LCA enables the effect of different treatment thresholds to be directly assessed and is applicable in many fields. Our results showed that CCA with trace as positive most accurately estimated infection prevalence. PMID- 29220356 TI - Color Doppler ultrasonography as an alternative tool for postoperative evaluation of collaterals after indirect revascularization surgery in Moyamoya disease. AB - The cerebral hypoperfusion caused by chronic progressive stenosis or occlusion of intracranial arteries in moyamoya disease can be treated by direct bypass or indirect revascularization procedures. The extent of collaterals from the external carotid artery (ECA) after indirect revascularization surgery is the key point of angiographic follow-up, and the invasiveness of angiography impelled us to investigate the role of ultrasonography in the evaluation of collaterals. We hypothesized that the collaterals shown on angiography might produce corresponding hemodynamic changes in color Doppler ultrasonography. We prospectively recruited moyamoya patients who underwent indirect revascularization surgery and received both preoperative and postoperative angiography and color Doppler ultrasound studies. The collaterals on angiography were graded according to Matsushima method. A total of 21 patients (age, 17 +/- 10.2 years) with 24 operated hemispheres were enrolled. Patients who showed better collateral establishment by angiography had higher end-diastolic velocity (EDV), lower resistance index (RI), and larger flow volume in the superficial temporal artery (STA) and ECA (all p < 0.05). In STA, increase of EDV greater than 13.5 cm/sec or reduction of RI greater than 0.19 after operation corresponded to 94% of Matsushima grade A+B. In ECA, post-operative EDV greater than 22 cm/sec or increase of EDV greater than 6.4 cm/sec also corresponded to 94% of Matsushima grade A+B. Our findings revealed potential roles of color Doppler ultrasonography in identifying patients with poor collaterals after indirect revascularization procedures. PMID- 29220357 TI - Difference of the progression of pulmonary cysts assessed by computed tomography among COPD, lymphangioleiomyomatosis, and Birt-Hogg-Dube syndrome. AB - Many groups developed the methods to quantitatively analyze low attenuation area (LAA) on chest CT in patients with cystic lung diseases. Especially in COPD, it was reported that the cumulative size distribution of LAA clusters follows a power law characterized by the exponent D, which reflect the fractal dimension of terminal airspace geometry. We hypoyhesized that the quantitative charateristics of LAA clusters including fractal property might indicate the different features of the progression of cysts in cystic lung diseases. The aim of this study was to apply the CT image-based method of characterizing the size distribution of LAA clusters for lymphangioleiomyomatosis (LAM) and Birt-Hogg-Dube syndrome (BHDS) to disclose their features of the progression of pulmonary cysts. 40 patients with COPD, 52 patients with LAM, and 18 patients with BHDS who had undergone CT scans at our institute between January 2002 and August 2009 were included. Differences among these diseases in the quantitative characteristics of LAA clusters {i.e., extent, number, size, fractal property, and the relationship between these quantitatives} were assessed. The Chi-sqsuare test, unpaired t-test, and one-way analyses of variance with Tukey post-hoc tests were used to compare groups, spline model with an interaction terms were used to assess the relationship between extent and number, and exponential regression model was used to assess the relationship between extent and size. Statistically significant differences separated the three diseases in extent and number (P < 0.001). Number was significantly correlated with extent in COPD (P < 0.001), but was not so in LAM and BHDS when extent exceeded 11.5% and 20.8%, respectively. Size was significantly correlated with extent in COPD and LAM (P < 0.001), but was not so in BHDS. The percentage of CT images with fractal property was higher in COPD than that in LAM and BHDS (95.8%, 92.9% and 63.0%, respectively). In conclusion, our study has demonstrated for the first time the different characteristics of the size distribution of LAA clusters among COPD, LAM and BHDS, and indicated that this method is useful for exploration of the pathophysiology in cystic lung diseases. PMID- 29220358 TI - Minimally invasive monitoring of CD4 T cells at multiple mucosal tissues after intranasal vaccination in rhesus macaques. AB - Studies in nonhuman primates (NHP) for prospective immune cell monitoring subsequent to infection and/or vaccination usually rely on periodic sampling of the blood samples with only occasional collections of biopsies from mucosal tissues because of safety concerns and practical constraints. Here we present evidence in support of cytobrush sampling of oral, rectal, and genital mucosal tissues as a minimally invasive approach for the phenotypic analyses of different T cells subsets de novo as well as prospectively after intranasal immunization in rhesus macaques. Significant percentages of viable lymphocytes were obtained consistently from both naive and chronically SIV-infected rhesus macaques. The percentages of CD3+ T cells in the blood were significantly higher compared to those in the mucosal tissues analyzed in the naive animals, while in the SIV+ animals the CD3+ T cells were significantly elevated in the rectal tissues, relative to all other sites analyzed. In the naive, but not SIV+ macaques, the rectal and vaginal mucosal tissues, compared to oral mucosa and blood, showed higher diversity and percentages of CD4+ T cells expressing the HIV entry co receptor CCR5 and mucosal specific adhesion (CD103) as well as activation (HLA DR) and proliferation (Ki67) markers. Sequential daily cytobrush sampling from the oral, rectal, and genital mucosal tissues was performed in SIV+ animals from an ongoing study where they were administered intranasal immunization with adenoviral vectored vaccines incorporating the green fluorescent protein (GFP) reporter gene. We detected a transient increase in GFP+ CD4 T cells in only oral mucosa suggesting limited mucosal trafficking. In general, CD4+ and CD8+ T cells expressing Ki67 transiently increased in all mucosal tissues, but those expressing the CCR5, HLA-DR, and CD103 markers exhibited minor changes. We propose the minimally invasive cytobrush sampling as a practical approach for effective and prospective immune monitoring of the oral-genital mucosal tissues in NHP. PMID- 29220359 TI - Synthesis of novel purpurealidin analogs and evaluation of their effect on the cancer-relevant potassium channel KV10.1. AB - In the search for novel anticancer drugs, the potassium channel KV10.1 has emerged as an interesting cancer target. Here, we report a new group of KV10.1 inhibitors, namely the purpurealidin analogs. These alkaloids are produced by the Verongida sponges and are known for their wide variety of bioactivities. In this study, we describe the synthesis and characterization of 27 purpurealidin analogs. Structurally, bromine substituents at the central phenyl ring and a methoxy group at the distal phenyl ring seem to enhance the activity on KV10.1. The mechanism of action of the most potent analog 5 was investigated. A shift of the activation curve to more negative potentials and an apparent inactivation was observed. Since KV10.1 inhibitors can be interesting anticancer drug lead compounds, the effect of 5 was evaluated on cancerous and non-cancerous cell lines. Compound 5 showed to be cytotoxic and appeared to induce apoptosis in all the evaluated cell lines. PMID- 29220360 TI - Substitutions of PrP N-terminal histidine residues modulate scrapie disease pathogenesis and incubation time in transgenic mice. AB - Prion diseases have been linked to impaired copper homeostasis and copper induced oxidative damage to the brain. Divalent metal ions, such as Cu2+ and Zn2+, bind to cellular prion protein (PrPC) at octapeptide repeat (OR) and non-OR sites within the N-terminal half of the protein but information on the impact of such binding on conversion to the misfolded isoform often derives from studies using either OR and non-OR peptides or bacterially-expressed recombinant PrP. Here we created new transgenic mouse lines expressing PrP with disrupted copper binding sites within all four histidine-containing OR's (sites 1-4, H60G, H68G, H76G, H84G, "TetraH>G" allele) or at site 5 (composed of residues His-95 and His-110; "H95G" allele) and monitored the formation of misfolded PrP in vivo. Novel transgenic mice expressing PrP(TetraH>G) at levels comparable to wild-type (wt) controls were susceptible to mouse-adapted scrapie strain RML but showed significantly prolonged incubation times. In contrast, amino acid replacement at residue 95 accelerated disease progression in corresponding PrP(H95G) mice. Neuropathological lesions in terminally ill transgenic mice were similar to scrapie-infected wt controls, but less severe. The pattern of PrPSc deposition, however, was not synaptic as seen in wt animals, but instead dense globular plaque-like accumulations of PrPSc in TgPrP(TetraH>G) mice and diffuse PrPSc deposition in (TgPrP(H95G) mice), were observed throughout all brain sections. We conclude that OR and site 5 histidine substitutions have divergent phenotypic impacts and that cis interactions between the OR region and the site 5 region modulate pathogenic outcomes by affecting the PrP globular domain. PMID- 29220361 TI - Pre-stimulus pupil dilation and the preparatory control of attention. AB - Task preparation involves multiple component processes, including a general evaluative process that signals the need for adjustments in control, and the engagement of task-specific control settings. Here we examined the dynamics of these different mechanisms in preparing the attentional control system for visual search. We explored preparatory activity using pupil dilation, a well-established measure of task demands and effortful processing. In an initial exploratory experiment, participants were cued at the start of each trial to search for either a salient color singleton target (an easy search task) or a low-salience shape singleton target (a difficult search task). Pupil dilation was measured during the preparation period from cue onset to search display onset. Mean dilation was larger in preparation for the difficult shape target than the easy color target. In two additional experiments, we sought to vary effects of evaluative processing and task-specific preparation separately. Experiment 2 showed that when the color and shape search tasks were matched for difficulty, the shape target no longer evoked larger dilations, and the pattern of results was in fact reversed. In Experiment 3, we manipulated difficulty within a single feature dimension, and found that the difficult search task evoked larger dilations. These results suggest that pupil dilation reflects expectations of difficulty in preparation for a search task, consistent with the activity of an evaluative mechanism. We did not find consistent evidence for relationship between pupil dilation and search performance (accuracy and response timing), suggesting that pupil dilation during search preparation may not be strongly linked to ongoing task-specific preparation. PMID- 29220362 TI - Optimized plasma preparation is essential to monitor platelet-stored molecules in humans. AB - Platelets store a plethora of different molecules within their granules, modulating numerous pathways, not only in coagulation, but also in angiogenesis, wound healing, and inflammatory diseases. These molecules get rapidly released upon activation and therefore represent an easily accessible indirect marker for platelet activation. Accurate analysis of platelet-derived molecules in the plasma requires appropriate anticoagulation to avoid in vitro activation and subsequent degranulation of platelets, potentially causing artificially high levels and masking biologically relevant differences within translational research studies. However, there is still enormous heterogeneity among anticoagulants used to prevent unwanted platelet activation, so that plasma levels reported for platelet granule contents range over several orders of magnitude. To address this problem and to define the most robust method of plasma preparation to avoid in vitro platelet activation during processing, we compared plasma concentrations of the three platelet-stored factors thrombospondin (TSP 1), platelet factor 4 (PF4), and soluble P-selectin (sCD62P) between human blood samples anticoagulated with either citrate-theophylline-adenosine-dipyridamole (CTAD), acid-citrate-dextrose (ACD), citrate, ethylenediaminetetraacetic acid (EDTA) or heparin. Additionally, we assessed the effect of storage temperature and time between blood drawing and sample processing within the differentially anticoagulated samples. Our data strongly support the use of CTAD as anticoagulant for determining plasma concentrations of platelet-stored molecules, as anticoagulation with heparin or EDTA led to a 12.4- or 8.3-fold increase in plasma levels of PF4, respectively. Whereas ACD was similar effective as CTAD, citrate only showed comparable PF4 plasma levels when plasma was kept at 4 degrees C. Moreover, blood sampling with CTAD as anticoagulant resulted in the most reproducible values, even when samples were processed at ambient temperature or after storage over 6 hours. In the latter case, anticoagulation with heparin or EDTA led to artificially high plasma levels indicative of in vitro platelet activation. Therefore, we want to raise scientific awareness for choosing CTAD as optimal anticoagulant for the detection of platelet-stored molecules in plasma. PMID- 29220363 TI - Self-organization in a diversity induced thermodynamics. AB - In this work we show how global self-organized patterns can come out of a disordered ensemble of point oscillators, as a result of a deterministic, and not of a random, cooperative process. The resulting system dynamics has many characteristics of classical thermodynamics. To this end, a modified Kuramoto model is introduced, by including Euclidean degrees of freedom and particle polarity. The standard deviation of the frequency distribution is the disorder parameter, diversity, acting as temperature, which is both a source of motion and of disorder. For zero and low diversity, robust static phase-synchronized patterns (crystals) appear, and the problem reverts to a generic dissipative many body problem. From small to moderate diversity crystals display vibrations followed by structure disintegration in a competition of smaller dynamic patterns, internally synchronized, each of which is capable to manage its internal diversity. In this process a huge variety of self-organized dynamic shapes is formed. Such patterns can be seen again as (more complex) oscillators, where the same description can be applied in turn, renormalizing the problem to a bigger scale, opening the possibility of pattern evolution. The interaction functions are kept local because our idea is to build a system able to produce global patterns when its constituents only interact at the bond scale. By further increasing the oscillator diversity, the dynamics becomes erratic, dynamic patterns show short lifetime, and finally disappear for high diversity. Results are neither qualitatively dependent on the specific choice of the interaction functions nor on the shape of the probability function assumed for the frequencies. The system shows a phase transition and a critical behaviour for a specific value of diversity. PMID- 29220364 TI - An attempt to interpret a biochemical mechanism of C4 photosynthetic thermo tolerance under sudden heat shock on detached leaf in elevated CO2 grown maize. AB - Detached leaves at top canopy structures always experience higher solar irradiance and leaf temperature under natural conditions. The ability of tolerance to high temperature represents thermotolerance potential of whole plants, but was less of concern. In this study, we used a heat-tolerant (B76) and a heat-susceptible (B106) maize inbred line to assess the possible mitigation of sudden heat shock (SHS) effects on photosynthesis (PN) and C4 assimilation pathway by elevated [CO2]. Two maize lines were grown in field-based open top chambers (OTCs) at ambient and elevated (+180 ppm) [CO2]. Top-expanded leaves for 30 days after emergence were suddenly exposed to a 45 degrees C SHS for 2 hours in midday during measurements. Analysis on thermostability of cellular membrane showed there was 20% greater electrolyte leakage in response to the SHS in B106 compared to B76, in agreement with prior studies. Elevated [CO2] protected PN from SHS in B76 but not B106. The responses of PN to SHS among the two lines and grown CO2 treatments were closely correlated with measured decreases of NADP-ME enzyme activity and also to its reduced transcript abundance. The SHS treatments induced starch depletion, the accumulation of hexoses and also disrupted the TCA cycle as well as the C4 assimilation pathway in the both lines. Elevated [CO2] reversed SHS effects on citrate and related TCA cycle metabolites in B106 but the effects of elevated [CO2] were small in B76. These findings suggested that heat stress tolerance is a complex trait, and it is difficult to identify biochemical, physiological or molecular markers that accurately and consistently predict heat stress tolerance. PMID- 29220365 TI - A novel methodology for strengthening human rights based monitoring in public health: Family planning indicators as an illustrative example. AB - OBJECTIVE: The last few years have seen a rise in the number of global and national initiatives that seek to incorporate human rights into public health practice. Nonetheless, a lack of clarity persists regarding the most appropriate indicators to monitor rights concerns in these efforts. The objective of this work was to develop a systematic methodology for use in determining the extent to which indicators commonly used in public health capture human rights concerns, using contraceptive services and programmes as a case study. METHODS: The approach used to identify, evaluate, select and review indicators for their human rights sensitivity built on processes undertaken in previous work led by the World Health Organization (WHO). With advice from an expert advisory group, an analytic framework was developed to identify and evaluate quantitative, qualitative, and policy indicators in relation to contraception for their sensitivity to human rights. To test the framework's validity, indicators were reviewed to determine their feasibility to provide human rights analysis with attention to specific rights principles and standards. FINDINGS: This exercise resulted in the identification of indicators that could be used to monitor human rights concerns as well as key gaps where additional indicators are required. While indicators generally used to monitor contraception programmes have some degree of sensitivity to human rights, breadth and depth are lacking. CONCLUSION: The proposed methodology can be useful to practitioners, researchers, and policy makers working in any area of health who are interested in monitoring and evaluating attention to human rights in commonly used health indicators. PMID- 29220366 TI - The distinct effects of orally administered Lactobacillus rhamnosus GG and Lactococcus lactis subsp. lactis C59 on gene expression in the murine small intestine. AB - The molecular mechanisms of strain-specific probiotic effects and the impact of the oral administration of probiotic strains on the host's gene expression are not yet well understood. The aim of this study was to investigate the strain specific effects of probiotic strain intake on gene expression in the murine small intestine. Two distinct strains of lactic acid bacteria, Lactobacillus rhamnosus GG (GG) and Lactococcus lactis subsp. lactis C59 (C59), were orally administered to BALB/c mice, daily for 2 weeks. The total RNA was isolated from the upper (including the duodenum) and lower (the terminal ileum) small intestine, and gene expression was assessed by microarray analysis. The data revealed (1) oral administration of C59 and GG markedly down-regulated the expression of genes encoding fibrinogen subunits and plasminogen in the upper small intestine; (2) administration of more than 1 * 107 CFU/day of GG changed the gene expression of the host ileum. (3) strain- and dose-related effects on various GO biological processes; and (4) enrichment for B cell-related Gene Ontology terms among up-regulated genes in the terminal ileum of mice administered the 1 * 109 CFU/day of GG. The distinct effects of GG and C59 on gene expression in the intact small intestine provide clues to understand how the health beneficial effects of specific strains of probiotic bacteria are mediated by interactions with intestinal cells. PMID- 29220367 TI - Periodontitis is associated with significant hepatic fibrosis in patients with non-alcoholic fatty liver disease. AB - BACKGROUND AND AIMS: Non-alcoholic fatty liver disease (NAFLD) has a bidirectional association with metabolic syndrome. It affects up to 30% of the general population, 70% of individuals with diabetes and 90% with obesity. The main histological hallmark of progressive NAFLD is fibrosis. There is a bidirectional epidemiological link between periodontitis and metabolic syndrome. NAFLD, periodontitis and diabetes share common risk factors, are characterised by inflammation and associated with changes in commensal bacteria. Therefore we tested the hypothesis that periodontitis is associated with NAFLD and with significant fibrosis in two study groups. METHODS: We analyzed data from a population-based survey and a patient-based study. NHANES III participants with abdominal ultrasound and sociodemographic, clinical, and oral examination data were extracted and appropriate weighting applied. In a separate patient-based study, consenting patients with biopsy-proved NAFLD (or with liver indices too mild to justify biopsy) underwent dental examination. Basic Periodontal Examination score was recorded. RESULTS: In NHANES, periodontitis was significantly associated with steatosis in 8172 adults even after adjusting for sociodemographic factors. However, associations were fully explained after accounting for features of metabolic syndrome. In the patient-based study, periodontitis was significantly more common in patients with biopsy-proven NASH and any fibrosis (F0-F4) than without NASH (p = 0.009). Periodontitis was more common in patients with NASH and significant fibrosis (F2-4) than mild or no fibrosis (F0-1, p = 0.04). CONCLUSIONS: Complementary evidence from an epidemiological survey and a clinical study show that NAFLD is associated with periodontitis and that the association is stronger with significant liver fibrosis. PMID- 29220368 TI - Increased sediment load during a large-scale dam removal changes nearshore subtidal communities. AB - The coastal marine ecosystem near the Elwha River was altered by a massive sediment influx-over 10 million tonnes-during the staged three-year removal of two hydropower dams. We used time series of bathymetry, substrate grain size, remotely sensed turbidity, scuba dive surveys, and towed video observations collected before and during dam removal to assess responses of the nearshore subtidal community (3 m to 17 m depth). Biological changes were primarily driven by sediment deposition and elevated suspended sediment concentrations. Macroalgae, predominantly kelp and foliose red algae, were abundant before dam removal with combined cover levels greater than 50%. Where persistent sediment deposits formed, macroalgae decreased greatly or were eliminated. In areas lacking deposition, macroalgae cover decreased inversely to suspended sediment concentration, suggesting impacts from light reduction or scour. Densities of most invertebrate and fish taxa decreased in areas with persistent sediment deposition; however, bivalve densities increased where mud deposited over sand, and flatfish and Pacific sand lance densities increased where sand deposited over gravel. In areas without sediment deposition, most invertebrate and fish taxa were unaffected by increased suspended sediment or the loss of algae cover associated with it; however, densities of tubeworms and flatfish, and primary cover of sessile invertebrates increased suggesting benefits of increased particulate matter or relaxed competition with macroalgae for space. As dam removal neared completion, we saw evidence of macroalgal recovery that likely owed to water column clearing, indicating that long-term recovery from dam removal effects may be starting. Our results are relevant to future dam removal projects in coastal areas and more generally to understanding effects of increased sedimentation on nearshore subtidal benthic communities. PMID- 29220369 TI - Can mother-to-child transmission of HIV be eliminated without addressing the issue of stigma? Modeling the case for a setting in South Africa. AB - BACKGROUND: Stigma and discrimination ontinue to undermine the effectiveness of the HIV response. Despite a growing body of evidence of the negative relationship between stigma and HIV outcomes, there is a paucity of data available on the prevalence of stigma and its impact. We present a probabilistic cascade model to estimate the magnitude of impact stigma has on mother-to-child-transmission (MTCT). METHODS: The model was parameterized using 2010 data from Johannesburg, South Africa, from which loss-to-care at each stage of the antenatal cascade were available. Three scenarios were compared to assess the individual contributions of stigma, non-stigma related barriers, and drug ineffectiveness on the overall number of infant infections. Uncertainty analysis was used to estimate plausible ranges. The model follows the guidelines in place in 2010 when the data were extracted (WHO Option A), and compares this with model results had Option B+ been implemented at the time. RESULTS: The model estimated under Option A, 35% of infant infections being attributed to stigma. This compares to 51% of total infections had Option B+ been implemented in 2010. Under Option B+, the model estimated fewer infections than Option A, due to the availability of more effective drugs. Only 8% (Option A) and 9% (Option B+) of infant infections were attributed to drug ineffectiveness, with the trade-off in the proportion of infections being between stigma and non-stigma-related barriers. CONCLUSIONS: The model demonstrates that while the effect of stigma on retention of women at any given stage along the cascade can be relatively small, the cumulative effect can be large. Reducing stigma may be critical in reaching MTCT elimination targets, because as countries improve supply-side factors, the relative impact of stigma becomes greater. The cumulative nature of the PMTCT cascade results in stigma having a large effect, this feature may be harnessed for efficiency in investment by prioritizing interventions that can affect multiple stages of the cascade simultaneously. PMID- 29220370 TI - Absence of anti-hypocretin receptor 2 autoantibodies in post pandemrix narcolepsy cases. AB - BACKGROUND: A recent publication suggested molecular mimicry of a nucleoprotein (NP) sequence from A/Puerto Rico/8/1934 (PR8) strain, the backbone used in the construction of the reassortant strain X-179A that was used in Pandemrix(r) vaccine, and reported on anti-hypocretin (HCRT) receptor 2 (anti-HCRTR2) autoantibodies in narcolepsy, mostly in post Pandemrix(r) narcolepsy cases (17 of 20 sera). In this study, we re-examined this hypothesis through mass spectrometry (MS) characterization of Pandemrix(r), and two other pandemic H1N1 (pH1N1)-2009 vaccines, Arepanrix(r) and Focetria(r), and analyzed anti-HCRTR2 autoantibodies in narcolepsy patients and controls using three independent strategies. METHODS: MS characterization of Pandemrix(r) (2 batches), Arepanrix(r) (4 batches) and Focetria(r) (1 batch) was conducted with mapping of NP 116I or 116M spectrogram. Two sets of narcolepsy cases and controls were used: 40 post Pandemrix(r) narcolepsy (PP-N) cases and 18 age-matched post Pandemrix(r) controls (PP-C), and 48 recent (<=6 months) early onset narcolepsy (EO-N) cases and 70 age-matched other controls (O-C). Anti-HCRTR2 autoantibodies were detected using three strategies: (1) Human embryonic kidney (HEK) 293T cells with transient expression of HCRTR2 were stained with human sera and then analyzed by flow cytometer; (2) In vitro translation of [35S]-radiolabelled HCRTR2 was incubated with human sera and immune complexes of autoantibody and [35S]-radiolabelled HCRTR2 were quantified using a radioligand-binding assay; (3) Optical density (OD) at 450 nm (OD450) of human serum immunoglobulin G (IgG) binding to HCRTR2 stably expressed in Chinese hamster ovary (CHO)-K1 cell line was measured using an in-cell enzyme linked immunosorbent assay (ELISA). RESULTS: NP 116M mutations were predominantly present in all batches of Pandemrix(r), Arepanrix(r) and Focetria(r). The wild type NP109-123 (ILYDKEEIRRIWRQA), a mimic to HCRTR234-45 (YDDEEFLRYLWR), was not found to bind to DQ0602. Three or four subjects were found positive for anti HCRTR2 autoantibodies using two strategies or the third one, respectively. None of the post Pandemrix(r) narcolepsy cases (0 of 40 sera) was found positive with all three strategies. CONCLUSION: Anti-HCRTR2 autoantibody is not a significant biological feature of narcolepsy or of post Pandemrix(r) autoimmune responses. PMID- 29220371 TI - The impact of different anti-vascular endothelial growth factor treatment regimens on reducing burden for caregivers and patients with wet age-related macular degeneration in a single-center real-world Japanese setting. AB - OBJECTIVE: To describe the burden associated with different anti-vascular endothelial growth factor (VEGF) treatment strategies for wet age-related macular degeneration (wAMD) in a real-word setting in Japan. METHODS: Single-center, cross-sectional survey of caregivers of patients with wAMD performed in a hospital in Mito-City, a rural area in Japan. Caregiver burden was evaluated using the Burden Index of Caregivers (BIC-11), and depressive symptoms were assessed by the Center for Epidemiologic Studies Depression scale. Retrospective medical chart review was conducted to monitor resource use and visual acuity outcomes in patients. The productivity loss of caregivers accompanying patients on hospital visits was estimated using the human capital method. RESULTS: Seventy one patient-caregiver pairs were included. Most caregivers were female (74.6%), spouse/partner (54.9%), employed (46.5%), and the primary caregiver (85.9%). Patients received anti-VEGF treatment as follows: treat-and-extend (T&E; n = 42), switch (from as-needed [PRN] to T&E; n = 18), PRN (n = 10), and other (n = 1). Caregiver-related burden (total BIC-11 scores) were 4.29 (T&E) 4.60 (PRN), and 5.33 (switch) (p = NS). The mean number of hospital visits was lower with T&E than PRN (7.88 vs. 14.0 [p = 0.00674] in year 1 and 5.68 vs. 9.0 in year 2). For patients who switched from PRN to T&E, the mean number of hospital visits decreased from 13.21 to 7.43 (p<0.0001) in the first year after switch. The productivity loss associated with accompanying patients to the hospital was lower for caregivers of patients receiving T&E than PRN (mean differences: 74,456.04 JPY [p = 0.00284] in year 1 and 40843.14 JPY in year 2), and was also reduced for caregivers of patients who switched from PRN to T&E. CONCLUSION: wAMD treatment with anti-VEGF agents via T&E reduced hospital visits compared with PRN, where associated monitoring visits are necessary to provide good patient outcomes. T&E was associated with a reduction trend in caregiver burden, including time and costs. PMID- 29220372 TI - The monomeric form of Neisseria DNA mimic protein DMP19 prevents DNA from binding to the histone-like HU protein. AB - DNA mimicry is a direct and effective strategy by which the mimic competes with DNA for the DNA binding sites on other proteins. Until now, only about a dozen proteins have been shown to function via this strategy, including the DNA mimic protein DMP19 from Neisseria meningitides. We have shown previously that DMP19 dimer prevents the operator DNA from binding to the transcription factor NHTF. Here, we provide new evidence that DMP19 monomer can also interact with the Neisseria nucleoid-associated protein HU. Using BS3 crosslinking, gel filtration and isothermal titration calorimetry assays, we found that DMP19 uses its monomeric form to interact with the Neisseria HU dimer. Crosslinking conjugated mass spectrometry was used to investigate the binding mode of DMP19 monomer and HU dimer. Finally, an electrophoretic mobility shift assay (EMSA) confirmed that the DNA binding affinity of HU is affected by DMP19. These results showed that DMP19 is bifunctional in the gene regulation of Neisseria through its variable oligomeric forms. PMID- 29220373 TI - Can nerve regeneration on an artificial nerve conduit be enhanced by ethanol induced cervical sympathetic ganglion block? AB - This study aimed to determine whether nerve regeneration by means of an artificial nerve conduit is promoted by ethanol-induced cervical sympathetic ganglion block (CSGB) in a canine model. This study involved two experiments-in part I, the authors examined the effect of CSGB by ethanol injection on long-term blood flow to the orofacial region; part II involved evaluation of the effect of CSGB by ethanol injection on inferior alveolar nerve (IAN) repair using polyglycolic acid-collagen tubes. In part I, seven Beagles were administered left CSGB by injection of 99.5% ethanol under direct visualization by means of thoracotomy, and changes in oral mucosal blood flow in the mental region and nasal skin temperature were evaluated. The increase in blood flow on the left side lasted for 7 weeks, while the increase in average skin temperature lasted 10 weeks on the left side and 3 weeks on the right. In part II, fourteen Beagles were each implanted with a polyglycolic acid-collagen tube across a 10-mm gap in the left IAN. A week after surgery, seven of these dogs were administered CSGB by injection of ethanol. Electrophysiological findings at 3 months after surgery revealed significantly higher sensory nerve conduction velocity and recovery index (ratio of left and right IAN peak amplitudes) after nerve regeneration in the reconstruction+CSGB group than in the reconstruction-only group. Myelinated axons in the reconstruction+CSGB group were greater in diameter than those in the reconstruction-only group. Administration of CSGB with ethanol resulted in improved nerve regeneration in some IAN defects. However, CSGB has several physiological effects, one of which could possibly be the long-term increase in adjacent blood flow. PMID- 29220374 TI - A blaOXA-181-harbouring multi-resistant ST147 Klebsiella pneumoniae isolate from Pakistan that represent an intermediate stage towards pan-drug resistance. AB - Carbapenem resistant Klebsiella pneumoniae (CR-KP) infections are an ever increasing global issue, especially in the Indian subcontinent. Here we report genetic insight into a blaOXA-181 harbouring Klebsiella pneumoniae, belonging to the pandemic lineage ST147, that represents an intermediate stage towards pan drug resistance. The CR-KP isolate DA48896 was isolated from a patient from Pakistan and was susceptible only to tigecycline and colistin. It harboured blaOXA-181 and was assigned to sequence type ST147. Analysis from whole genome sequencing revealed a very high sequence similarity to the previously sequenced pan-resistant K. pneumoniae isolate MS6671 from the United Arab Emirates. The two isolates are very closely related with only 46 chromosomal nucleotide differences, 14 indels and differences in plasmid content. Both carry a substantial number of plasmid-borne and chromosomally encoded resistance determinants. Interestingly, the two differences in susceptibility between the isolates could be attributed to DA48896 lacking an insertion of blaOXA-181 into the mgrB gene that results in colistin resistance in MS6671 and SNPs affecting AcrAB efflux pump expression likely to result in tigecycline resistance. These differences between the otherwise very similar isolates indicate that strong selection has occurred for resistance towards these last-resort drugs and illustrates the trajectory of resistance evolution of OXA-181-producing versions of the ST147 international risk clone. PMID- 29220375 TI - Construction and validation of a psychometric scale to measure awareness on consumption of irradiated foods. AB - Although food irradiation has been used to ensure food safety, most consumers are unaware of the basic concepts of irradiation, misinterpreting information and demonstrating a negative attitude toward food items treated with ionizing radiation. This research is aimed at developing a tool to assess the awareness on the consumption of irradiated food. The sample was composed by employees from different social classes and school levels of Brazilian universities, who reflect the end-users of the irradiated foods, representative of the views of lay consumers. The total number of respondents was 614. In order to assess the Awareness Scale on Consumption of Irradiated Foods (ASCIF), an instrument has been developed and submitted to semantic tests and judge's validation. The instrument, that included 32 items, contemplated four construct factors: concepts (6 items), awareness (10 items), labeling (7 items) and safety of Irradiated foods (9 items). The data were collected by electronic means, through the site . By using exploratory factorial analysis (EFA) 4 factors have been found. They summarize the 31 items included. These factors account for 64.32% of the variance of the items and the internal consistency of the factors has been deemed good. An Exploratory Structural Equation Modeling (ESEM) was conducted to evaluate the factor structure of the instrument. The proposed instrument has been found to meet consistency criteria as an efficient tool for indicating assessing potential challenges and opportunities for the irradiated food markets. PMID- 29220376 TI - C5a and C5aR are elevated in joints of rheumatoid and psoriatic arthritis patients, and C5aR blockade attenuates leukocyte migration to synovial fluid. AB - Complement activation correlates to rheumatoid arthritis disease activity, and increased amounts of the complement split product C5a is observed in synovial fluids from rheumatoid arthritis patients. Blockade of C5a or its receptor (C5aR) is efficacious in several arthritis models. The aim of this study was to investigate the role of C5a and C5aR in human rheumatoid arthritis and psoriatic arthritis-both with respect to expression and function. Synovial fluid, blood and synovial samples were obtained from rheumatoid arthritis, psoriatic arthritis and osteoarthritis patients as a less inflammatory arthritis type, and blood from healthy subjects. Cells infiltrating synovial tissue were analysed by immunohistochemistry and flow cytometry. SF and blood were analysed for biomarkers by flow cytometry or ELISA. The effect of a blocking anti-human C5aR mAb on leukocyte migration was determined using a Boyden chamber. Appropriate statistical tests were applied for comparisons. C5aR+ cells were detected in most rheumatoid arthritis, in all psoriatic arthritis, but not in non-inflammatory control synovia. C5aR+ cells were primarily neutrophils and macrophages. C5aR+ macrophages were mainly found in lymphoid aggregates in close contact with T cells. C5a levels were increased in both rheumatoid arthritis and psoriatic arthritis synovial fluid compared to osteoarthritis, and in blood from rheumatoid arthritis compared to healthy subjects. Neutrophil and monocyte migration to rheumatoid arthritis synovial fluid was significantly inhibited by anti-C5aR. The data support that the C5a-C5aR axis may be driving the infiltration of inflammatory cells into the synovial fluid and synovium in both rheumatoid and psoriatic arthritis, and suggest that C5a or C5aR may be a promising treatment target in both diseases. PMID- 29220377 TI - 3D diffusion model within the collagen apatite porosity: An insight to the nanostructure of human trabecular bone. AB - Bone tissue at nanoscale is a composite mainly made of apatite crystals, collagen molecules and water. This work is aimed to study the diffusion within bone nanostructure through Monte-Carlo simulations. To this purpose, an idealized geometric model of the apatite-collagen structure was developed. Gaussian probability distribution functions were employed to design the orientation of the apatite crystals with respect to the axes (length L, width W and thickness T) of a plate-like trabecula. We performed numerical simulations considering the influence of the mineral arrangement on the effective diffusion coefficient of water. To represent the hindrance of the impermeable apatite crystals on the water diffusion process, the effective diffusion coefficient was scaled with the tortuosity, the constrictivity and the porosity factors of the structure. The diffusion phenomenon was investigated in the three main directions of the single trabecula and the introduction of apatite preferential orientation allowed the creation of an anisotropic medium. Thus, different diffusivities values were observed along the axes of the single trabecula. We found good agreement with previous experimental results computed by means of a genetic algorithm. PMID- 29220378 TI - Predisposing factors to the practice of self-medication in Brazil: Results from the National Survey on Access, Use and Promotion of Rational Use of Medicines (PNAUM). AB - OBJECTIVE: To understand the predisposing factors that lead to the practice of self-medication and the factors associated with the use of medicines via self medication in the adult population of Brazil. METHODS: The analyzed data are part of the National Survey on Access, Use and Promotion of Rational Use of Medicines (PNAUM), a survey whose population consisted of individual residents permanently domiciled in urban areas in Brazil. In this work, the data references the 31 573 respondents aged 20 or higher (76.2% of the final PNAUM sample). Poisson regression models with robust variance were used for estimating the independent effect of each variable with medicine use via self-medication. RESULTS: Of the interviewees, 73.6% stated they had used some medication without medical recommendation if they had previously used the same product; 73.8% stated they had used non-prescribed medicine when the medicine was already present at home; and 35.5% stated they had used some non-prescribed medication when they knew someone who had already taken the same medication. The prevalence of self medication was 18.3%. The variables associated with the highest probability of using medicine via self-medication were: geographic region within Brazil, gender, age group, per capita income, self-assessment of health, self-reported use of previously used non-prescribed medication, and self-reported use of non prescribed medication when that medication was already present at home. CONCLUSIONS: The use of medicines via self-medication in Brazil is relatively frequent and influenced by previous experience and familiarity with the medications, and is more common among women and individuals with low self assessment of health. PMID- 29220379 TI - Zebrafish skeleton development: High resolution micro-CT and FIB-SEM block surface serial imaging for phenotype identification. AB - Although bone is one of the most studied living materials, many questions about the manner in which bones form remain unresolved, including fine details of the skeletal structure during development. In this study, we monitored skeleton development of zebrafish larvae, using calcein fluorescence, high-resolution micro-CT 3D images and FIB-SEM in the block surface serial imaging mode. We compared calcein staining of the skeletons of the wild type and nacre mutants, which are transparent zebrafish, with micro-CT for the first 30 days post fertilization embryos, and identified significant differences. We quantified the bone volumes and mineral contents of bones, including otoliths, during development, and showed that such developmental differences, including otolith development, could be helpful in identifying phenotypes. In addition, high resolution imaging revealed the presence of mineralized aggregates in the notochord, before the formation of the first bone in the axial skeleton. These structures might play a role in the storage of the mineral. Our results highlight the potential of these high-resolution 3D approaches to characterize the zebrafish skeleton, which in turn could prove invaluable information for better understanding the development and the characterization of skeletal phenotypes. PMID- 29220380 TI - Hexokinase 2 (HK2), the tumor promoter in glioma, is downregulated by miR 218/Bmi1 pathway. AB - In cancer, glycolysis driving enzymes and their regulating microRNAs are one of the key focus of oncology research lately. The glycolytic enzyme hexokinase 2 (HK2) is crucial for the Warburg effect in human glioma, the most common malignant brain tumor. In the present study, we studied the tumorigenic role of HK2 in glioma, and clarified the mechanism of miR-218 induced HK2 regulation in glioma development. The HK2 expression in patient derived glioma and non neoplastic brain tissue was quantified. The HK2 silenced U87 and U251 cell lines were assessed for their proliferation, migration and invasive potential in vitro, while the tumor forming potential of U87 cells was evaluated in vivo. The untreated cell lines served as control. The HK2 expression in (a) lentivirus infected, miR-218 overexpressing and (b) shRNA mediated Bmi1 silenced U87 and U251 glioma cell lines were quantified. Luciferase reporter assay, qRT-PCR analysis and WB were employed as required. The HK2 expression was significantly increased in glioma tissues comparing with the non neoplastic brain tissues and was positively correlated with the glioma grade. Silencing HK2 in glioma cell lines significantly decreased their proliferation, migration, invasion and tumorigenic abilities. Although, overexpression of miR-218 significantly downregulated the HK2 expression, luciferase reporter assay failed to show HK2 as the direct target of miR-218. A direct correlation, however, was observed between HK2 and Bmi-1, the direct target of miR-218. Taken together, our findings confirmed the tumorigenic activity of HK2 in glioma, and the involvement of the miR218/Bmi1 pathway in the regulation of its expression. PMID- 29220381 TI - Temporal distribution and genetic variants in influenza A(H1N1)pdm09 virus circulating in Mexico, seasons 2012 and 2013. AB - The 2012 and 2013 annual influenza epidemics in Mexico were characterized by presenting different seasonal patterns. In 2012 the A(H1N1)pdm09 virus caused a high incidence of influenza infections after a two-year period of low circulation; whereas the 2013 epidemic presented circulation of the A(H1N1)pdm09 virus throughout the year. We have characterized the molecular composition of the Hemagglutinin (HA) and Neuraminidase (NA) genes of the A(H1N1)pdm09 virus from both epidemic seasons, emphasizing the genetic characteristics of viruses isolated from Yucatan in Southern Mexico. The molecular analysis of viruses from the 2012 revealed that all viruses from Mexico were predominantly grouped in clade 7. Strikingly, the molecular characterization of viruses from 2013 revealed that viruses circulating in Yucatan were genetically different to viruses from other regions of Mexico. In fact, we identified the occurrence of two genetic variants containing relevant mutations at both the HA and NA surface antigens. There was a difference on the temporal circulation of each genetic variant, viruses containing the mutations HA-A141T / NA-N341S were detected in May, June and July; whereas viruses containing the mutations HA-S162I / NA-L206S circulated in August and September. We discuss the significance of these novel genetic changes. PMID- 29220382 TI - Anatomical relationships between serotonin 5-HT2A and dopamine D2 receptors in living human brain. AB - METHODS: Seven healthy volunteers underwent PET scans with [18F]altanserin and [11C]FLB 457 for 5-HT2A and D2 receptors, respectively. As a measure of receptor density, a binding potential (BP) was calculated from PET data for 76 cerebral cortical regions. A correlation matrix was calculated between the binding potentials of [18F]altanserin and [11C]FLB 457 for those regions. The regional relationships were investigated using a bicluster analysis of the correlation matrix with an iterative signature algorithm. RESULTS: We identified two clusters of regions. The first cluster identified a distinct profile of correlation coefficients between 5-HT2A and D2 receptors, with the former in regions related to sensorimotor integration (supplementary motor area, superior parietal gyrus, and paracentral lobule) and the latter in most cortical regions. The second cluster identified another distinct profile of correlation coefficients between 5 HT2A receptors in the bilateral hippocampi and D2 receptors in most cortical regions. CONCLUSIONS: The observation of two distinct clusters in the correlation matrix suggests regional interactions between 5-HT2A and D2 receptors in sensorimotor integration and hippocampal function. A bicluster analysis of the correlation matrix of these neuroreceptors may be beneficial in understanding molecular networks in the human brain. PMID- 29220383 TI - Characterization of the CCT family and analysis of gene expression in Aegilops tauschii. AB - Flowering is crucial for reproductive success in flowering plant. The CCT domain containing genes widely participate in the regulation of flowering process in various plant species. So far, the CCT family in common wheat is largely unknown. Here, we characterized the structure, organization, molecular evolution and expression of the CCT genes in Aegilops tauschii, which is the D genome donor of hexaploid wheat. Twenty-six CCT genes (AetCCT) were identified from the full genome of A. tauschii and these genes were distributed on all 7 chromosomes. Phylogenetic analysis classified these AetCCT genes into 10 subgroups. Thirteen AetCCT members in group A, C, H and G achieved rapid evolution based on evolutionary rate analysis. The AetCCT genes respond to different exogenous hormones and abiotic treatments, the expression of AetCCT4, 7, 8, 11, 12, 16, 17, 19, 21 and 22 showed a significant 24 h rhythm. This study may provide a reference for common wheat's evolution, domestication and evolvement rules, and also help us to understand the ecological adaptability of A. tauschii. PMID- 29220384 TI - Rope skipping increases bone mineral density at calcanei of pubertal girls in Hong Kong: A quasi-experimental investigation. AB - Bone mineral accrual during puberty is important, especially in girls, because it is related to reduced risks of osteoporosis in adulthood. Previous research has shown that jumping or plyometric exercises may be effective in increasing bone mineral density in adolescents. Rope skipping is a form of activity that involves jumping, thus regular skipping may also increase bone mineral density in pubertal girls. To this end, we conducted a quasi-experimental to examine the effects of rope skipping on girls' bone mineral density and cardiovascular fitness. 176 Hong Kong girls (age = 12.23 +/- 1.80 years at baseline) were recruited to take part in the study. Bone density at their forearms and calcanei were measured twice over two academic years (mean time between visits was 10.3 months). Using multilevel modeling analyses and adjusting for participants' height and physical activity, we found that girls who participated in weekly rope skipping activities, compared to those who did not, had higher levels of bone density at the calcanei (B = 0.023, p < .01). However, no differences were found for bone density at forearms or participants' cardiovascular fitness. The rates of change of these variables across time were also not significantly different. Results suggest that regular rope skipping may increase girls' bone density at the lower extremities, irrespective of the amount of self-report physical activity. However, further research is required to examine the potential dose-response relation between skipping behaviors and the measured outcomes. PMID- 29220385 TI - Secreted dual reporter assay with Gaussia luciferase and the red fluorescent protein mCherry. AB - The availability of a wide range of reporter proteins, which can easily be quantitated, has had a major impact on many fields of biomedical research. In some experiments with tissue culture cells, it is necessary to control for differences in transfection efficiency and in other expression parameters. This requirement has been very conveniently met with the popular dual luciferase assay. Its disadvantages are the requirement for cell lysis, the inability to analyze the same cells repeatedly, and the cost, at least in its most commonly used commercial format. Here we describe a novel dual reporter assay with the naturally secreted luciferase from Gaussia princeps as the main reporter protein and a secreted version of the red fluorescent protein mCherry as internal standard. After first measuring mCherry fluorescence in the medium, an enzyme buffer with coelenterazine as substrate is added to the same sample to trigger a glow-type luminescence of the luciferase. The simple and cheap assay can easily be adapted to a variety of experimental situations. As a case in point, we have developed a panel of Gaussia luciferase reporter genes for transcriptional activation assays with estrogen and glucocorticoid response elements, and with response elements for fusion proteins with the Gal4 DNA binding domain for use in mammalian cells. Our secreted dual reporter assay should be an attractive alternative to the currently available commercial kits. PMID- 29220386 TI - Does cognitive impairment impact adherence? A systematic review and meta-analysis of the association between cognitive impairment and medication non-adherence in stroke. AB - BACKGROUND: While medication adherence is essential for the secondary prevention of stroke, it is often sub-optimal, and can be compromised by cognitive impairment. This study aimed to systematically review and meta-analyse the association between cognitive impairment and medication non-adherence in stroke. METHODS: A systematic literature search of longitudinal and cross-sectional studies of adults with any stroke type, which reported on the association between any measure of non-adherence and cognitive impairment, was carried out according to PRISMA guidelines. Odds ratios and 95% confidence intervals were the primary measure of effect. Risk of bias was assessed using the Cochrane Bias Methods Group's Tool to Assess Risk of Bias in Cohort Studies, with evidence quality assessed according to the GRADE approach. We conducted sensitivity analyses according to measure of cognitive impairment, measure of medication adherence, population, risk of bias and adjustment for covariates. The protocol was registered with PROSPERO. RESULTS: From 1,760 titles and abstracts, we identified 9 studies for inclusion. Measures of cognitive impairment varied from dementia diagnosis to standardised cognitive assessments. Medication adherence was assessed through self-report or administrative databases. The majority of studies were of medium risk of bias (n = 6); two studies had low risk of bias. Findings were mixed; when all studies were pooled, there was no evidence of an association between cognitive impairment and medication non-adherence post-stroke [OR (95% CI): 0.85 (0.66, 1.03)]. However, heterogeneity was substantial [I2 = 90.9%, p < .001], and the overall evidence quality was low. CONCLUSIONS: Few studies have explored associations between cognitive impairment and medication adherence post stroke, with substantial heterogeneity in study populations, and definitions and assessments of non-adherence and cognitive impairment. Further research using clear, standardised and objective assessments is needed to clarify the association between cognitive impairment and medication non-adherence in stroke. PMID- 29220388 TI - A three-month longitudinal study of changes in day/night serum total antioxidant capacity in paranoid schizophrenia. AB - Free radicals and an oxidant/antioxidant imbalance have been involved in the schizophrenia pathophysiology. The total antioxidant capacity (TAC) is a measure of the antioxidant capacity of a system. Day/night changes are a biological characteristic of hormones such as melatonin or cortisol. There is little information about TAC day/night changes in schizophrenia patients. The aim of this research is to study if there are day/night changes in serum TAC levels of schizophrenia patients. Thirty-two DSM-IV schizophrenia paranoid patients were studied. Blood was sampled at 12:00 and 00:00 h at admission, discharge and three months after hospital discharge (TMAHD). TAC results are expressed as mmol of Trolox/L. Patients did not have day/night TAC differences at admission (12:00: 0.67+/-0.12 vs. 00:00: 0.61+/-0.14, p>0.14) or discharge (12:00: 0.65+/-0.15 vs. 00:00: 0.65+/-0.12, p>0.99). At TMHD, patients had significantly higher TAC levels at midday than midnight (12:00: 0.83+/-0.10 vs. 00:00: 0.74+/-0.12, p<0.006) as it has been reported in healthy subjects. There were no significant TAC differences at 12.00 and 00:00 between admission and discharge. At TMAHD, patients had significantly higher TAC levels than at admission and discharge, both at 12:00 and 00:00 h. In conclusion, the absence of day/night serum TAC changes when clinically relapsed and the normalization of day/night serum TAC changes at TMHD can be considered as a biological marker of schizophrenia evolution. PMID- 29220387 TI - PsrA controls the synthesis of the Pseudomonas aeruginosa quinolone signal via repression of the FadE homolog, PA0506. AB - Pseudomonas aeruginosa is a ubiquitous, Gram-negative opportunistic pathogen that can cause disease in various sites within the human body. This bacterium is a major source of nosocomial infections that are often difficult to treat due to high intrinsic antibiotic resistance and coordinated virulence factor production. P. aeruginosa utilizes three cell-to-cell signaling systems to regulate numerous genes in response to cell density. One of these systems utilizes the small molecule 2-heptyl-3-hydroxy-4-quinolone (Pseudomonas quinolone signal [PQS]) as a signal that acts as a co-inducer for the transcriptional regulator PqsR. Quinolone signaling is required for virulence in multiple infection models, and PQS is produced during human infections, making this system an attractive target for potential drug development. In this study we have examined the role of a TetR type transcriptional regulator, PsrA, in the regulation of PQS production by P. aeruginosa. Previous studies showed that PsrA regulates genes of the fatty acid beta-oxidation pathway, including PA0506, which encodes a FadE homolog. In this report, we show that deletion of psrA resulted in a large decrease in PQS production and that co-deletion of PA0506 allowed PQS production to be restored to a wild type level. We also found that PQS production could be restored to the psrA mutant by the addition of oleic or octanoic acid. Taken together, our data suggest that psrA positively affects PQS production by repressing the transcription of PA0506, which leads to a decrease in the conversion of acyl-CoA compounds to enoyl-CoA compounds, thereby allowing some octanoyl-CoA to escape the beta-oxidation pathway and serve as a PQS precursor. PMID- 29220389 TI - Association of genetic variations in FOXO3 gene with susceptibility to noise induced hearing loss in a Chinese population. AB - Noise induced hearing loss (NIHL), a multifactorial disease involving both genetic and environmental factors, is one of the most important occupational health hazards. Nonetheless, the influence of FOXO3 variants on NIHL risk have not been illuminated. This research was conducted to explore the effects of FOXO3 polymorphisms on individual susceptibility to NIHL. A total of 2689 industrial workers from one textile factory of east China were recruited to participate in the current research. Venous blood was collected, questionnaire and pure-tone audiometry (PTA) was conducted by specialist physicians. Then, we performed genotyping of three selected SNPs (rs2802292, rs10457180, and rs12206094) in FOXO3 gene in 566 NIHL patients and 566 controls. Subsequently, the main effects of genotype and its interactions were evaluated. Our results revealed that individuals with the G allele of rs2802292, G allele of rs10457180, T allele of rs12206094 (OR = 1.43, 1.43, and 1.31 respectively) and the haplotype GAC and others (TGT/GGT/GGC/GAT) (rs2802292-rs10457180-rs12206094) (OR = 1.49 and 2.09 respectively) are associated with an increased risk of NIHL in a Chinese population. Stratified analysis showed that an increased NIHL risk was found in the subjects who exposed to noise >16 years with rs2802292 GG/GT and rs10457180 AG/GG genotype with an OR of 1.62 and 1.66 respectively. Multifactor dimensionality reduction analysis indicated that rs10457180, rs2802292, and rs12206094 have interactions and are related to increased NIHL risk (OR = 1.53). The genetic polymorphism rs2802292, rs10457180, and rs12206094 within FOXO3 gene are associated with an increased risk of NIHL in a Chinese population and have potential to be biomarkers for noise exposed workers. PMID- 29220390 TI - MALDI MSI of MeLiM melanoma: Searching for differences in protein profiles. AB - BACKGROUND: Treatment of advanced cutaneous melanoma remains challenging, and new data on melanoma biology are required. The most widely accepted criteria for the prognostic evaluation of melanoma are histopathological and clinical parameters, and the identification of additional tumor markers is thus of paramount importance. Matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI MSI), an important tool in cancer research, is useful for unraveling the molecular profile of melanoma. METHODOLOGY/PRINCIPAL FINDINGS: In this report, we used the melanoma-bearing Libechov minipig (MeLiM), a unique animal model that allows observation of the complete spontaneous regression of invasive cutaneous melanoma, to investigate i) the differences between melanoma and healthy skin protein profiles and ii) the proteins potentially involved in spontaneous regression. The MeLiM tissues were cryosected, histologically characterized, analyzed by MALDI MSI, and immunohistologically stained. Multivariate statistical analyses of the MALDI MSI data revealed ten relevant m/z ions, of which the expression levels varied significantly among the studied MeLiM tissues. These ion peaks were used to create mass ion images/maps and visualize the differences between tumor and healthy skin specimens, as well as among histologically characterized tissue regions. CONCLUSIONS/SIGNIFICANCE: Protein profiles comprising ten statistically significant mass ion peaks useful for differentiating cutaneous melanoma and healthy skin tissues were determined. Peaks at m/z 3044, 6011, 6140 and 10180 were overexpressed in melanoma compared with healthy skin tissue. More specifically, m/z 6140 was expressed at significantly (p < 0.05) higher levels in normally growing melanoma regions than in regions with early and late spontaneous regression. This study demonstrates the clinical utility of MALDI MSI for the analysis of tissue cryosections at a molecular level. PMID- 29220391 TI - The meaning of a poor childbirth experience - A qualitative phenomenological study with women in Rwanda. AB - OBJECTIVE: Being pregnant and giving birth is a pivotal life event and one that a woman ordinarily remembers for most of her life. A negative childbirth experience can affect a woman's health well beyond the episode of the labour and birth itself. This study explored the meaning of a poor childbirth experience, as expressed by women who had given birth in Rwanda. METHODS: In a cross-sectional household study conducted in Northern Province and in Kigali City, the capital of Rwanda, a structured questionnaire was answered by women who had given birth one to 13 months earlier. One question, answered by 898 women, asked them to rate their overall experience of childbirth from 0 (very bad) to 10 (very good). Of these, 28 women (3.1%) who had rated their childbirth experience as bad (<= 4) were contacted for individual interviews. Seventeen of these women agreed to participate in individual in-depth interviews. The texts were analysed with a reflective lifeworld approach. RESULTS: The essential meaning of a "poor" childbirth experience was that the women had been exposed to disrespectful care, constituted by neglect, verbal or physical abuse, insufficient information, and denial of their husband as a companion. The actions of carers included abandonment, humiliation, shaming and insult, creating feelings of insecurity, fear and distrust in the women. Two of the women did not report any experience of poor care; their low rating was related to having suffered from medical complications. CONCLUSION: It is challenging that the main finding is that women are exposed to disrespectful care. In an effort to provide an equitable and high quality maternal health care system in Rwanda, there is a need to focus on activities to implement respectful, evidence-based care for all. One such activity is to develop and provide education programmes for midwives and nurses about professional behaviour when caring for and working with women during labour and birth. PMID- 29220393 TI - Process service quality evaluation based on Dempster-Shafer theory and support vector machine. AB - Human involvement influences traditional service quality evaluations, which triggers an evaluation's low accuracy, poor reliability and less impressive predictability. This paper proposes a method by employing a support vector machine (SVM) and Dempster-Shafer evidence theory to evaluate the service quality of a production process by handling a high number of input features with a low sampling data set, which is called SVMs-DS. Features that can affect production quality are extracted by a large number of sensors. Preprocessing steps such as feature simplification and normalization are reduced. Based on three individual SVM models, the basic probability assignments (BPAs) are constructed, which can help the evaluation in a qualitative and quantitative way. The process service quality evaluation results are validated by the Dempster rules; the decision threshold to resolve conflicting results is generated from three SVM models. A case study is presented to demonstrate the effectiveness of the SVMs-DS method. PMID- 29220392 TI - Safety and efficacy of the PrePex device in HIV-positive men: A single-arm study in Zimbabwe. AB - METHODS: We aimed to determine if the adverse event (AE) rate was non-inferior to an AE rate of 2%, a rate considered the global standard of MC safety. Study procedures, AE definitions, and study staff were unchanged from previous PrePex Zimbabwe trials. After PrePex placement and removal, weekly visits assessed wound healing. Men returned on Day 90. Safety was defined as occurrence of moderate and serious clinical AEs. Efficacy was defined as ability to reach the endpoint of complete circumcision. RESULTS: Among 400 healthy, HIV-positive, consenting adults, median age was 40 years (IQR: 34, 46); 79.5% in WHO stage 2; median CD4 was 336.5c/MUl (IQR: 232, 459); 337 (85%) on anti-retroviral therapy. Among 385 (96%) observed completely healed, median days to complete healing was 42 (IQR: 35 49). There was no association between time to healing and CD4 (p = 0.66). Four study-related severe AEs and no moderate AEs were reported: severe/moderate AE rate of 1.0% (95% CI: 0.27% to 2.5). This was non-inferior to 2% AEs (p = 0.0003). All AEs were device displacements resulting in surgical MC and, subsequently, complete healing. CONCLUSION: Male circumcision among healthy, HIV positive men using PrePex is safe and effective. Reducing the barrier of HIV testing while improving counseling for safer sex practices among all MC clients could increase MC uptake and avert more HIV infections. PMID- 29220394 TI - A systematic approach to evaluate the influence of environmental conditions on eDNA detection success in aquatic ecosystems. AB - The use of environmental DNA (eDNA) to determine the presence and distribution of aquatic organisms has become an important tool to monitor and investigate freshwater communities. The successful application of this method in the field, however, is dependent on the effectiveness of positive DNA verification, which is influenced by site-specific environmental parameters. Factors affecting eDNA concentrations in aquatic ecosystems include flow conditions, and the presence of substances that possess DNA-binding properties or inhibitory effects. In this study we investigated the influence of different environmental parameters on the detection success of eDNA using the invasive goby Neogobius melanostomus. In a standardized laboratory setup, different conditions of flow, sediment-properties, and fish density were compared, as well as different potential natural inhibitors such as algae, humic substances, and suspended sediment particles. The presence of sediment was mainly responsible for lower eDNA detection in the water samples, regardless of flow-through or standing water conditions and a delayed release of eDNA was detected in the presence of sediment. Humic substances had the highest inhibitory effect on eDNA detection followed by algae and siliceous sediment particles. The results of our study highlight that a successful application of eDNA methods in field surveys strongly depends on site-specific conditions, such as water flow conditions, sediment composition, and suspended particles. All these factors should be carefully considered when sampling, analyzing, and interpreting eDNA detection results. PMID- 29220395 TI - MicroRNA-93 promotes proliferation and metastasis of gastric cancer via targeting TIMP2. AB - MicroRNAs (miRNAs) are important regulators of pathobiological processes in various cancer. In the present study, we demonstrated that miR-93 expression was significantly up-regulated in gastric cancer tissues compared with that in matched normal mucosal tissues. High expression of miR-93 was significantly associated with lymph node metastasis and tumor-node-metastasis (TNM) stage. Functionally, ectopic expression of miR-93 promoted cell proliferation, migration, invasion, EMT phenotypes, and repressed apoptosis and G1 cell cycle arrest in vitro, and promoted tumor formation in vivo. We further identified that tissue inhibitor of metalloproteinase 2 (TIMP2) was a direct target of miR-93 by using luciferase reporter assay, qRT-PCR, and immunoblotting assay. Furthermore, knockdown of TIMP2 with specific siRNA showed similar oncogenic effects in gastric cancer cells with that transfected with miR-93 mimics. Our findings indicated that miR-93 serves as a tumor promoter in human gastric carcinogenesis by targeting TIMP2, suggesting that miR-93 might be a promising biomarker and therapeutic target for treatment of gastric cancer. PMID- 29220396 TI - Improved approach for electric vehicle rapid charging station placement and sizing using Google maps and binary lightning search algorithm. AB - The electric vehicle (EV) is considered a premium solution to global warming and various types of pollution. Nonetheless, a key concern is the recharging of EV batteries. Therefore, this study proposes a novel approach that considers the costs of transportation loss, buildup, and substation energy loss and that incorporates harmonic power loss into optimal rapid charging station (RCS) planning. A novel optimization technique, called binary lightning search algorithm (BLSA), is proposed to solve the optimization problem. BLSA is also applied to a conventional RCS planning method. A comprehensive analysis is conducted to assess the performance of the two RCS planning methods by using the IEEE 34-bus test system as the power grid. The comparative studies show that the proposed BLSA is better than other optimization techniques. The daily total cost in RCS planning of the proposed method, including harmonic power loss, decreases by 10% compared with that of the conventional method. PMID- 29220397 TI - Desethylamiodarone-A metabolite of amiodarone-Induces apoptosis on T24 human bladder cancer cells via multiple pathways. AB - Bladder cancer (BC) is a common malignancy of the urinary tract that has a higher frequency in men than in women. Cytostatic resistance and metastasis formation are significant risk factors in BC therapy; therefore, there is great interest in overcoming drug resistance and in initiating research for novel chemotherapeutic approaches. Here, we suggest that desethylamiodarone (DEA)-a metabolite of amiodarone-may have cytostatic potential. DEA activates the collapse of mitochondrial membrane potential (detected by JC-1 fluorescence), and induces cell death in T24 human transitional-cell bladder carcinoma cell line at physiologically achievable concentrations. DEA induces cell cycle arrest in the G0/G1 phase, which may contribute to the inhibition of cell proliferation, and shifts the Bax/Bcl-2 ratio to initiate apoptosis, induce AIF nuclear translocation, and activate PARP-1 cleavage and caspase-3 activation. The major cytoprotective kinases-ERK and Akt-are inhibited by DEA, which may contribute to its cell death-inducing effects. DEA also inhibits the expression of B-cell specific Moloney murine leukemia virus integration site 1 (BMI1) and reduces colony formation of T24 bladder carcinoma cells, indicating its possible inhibitory effect on metastatic potential. These data show that DEA is a novel anti-cancer candidate of multiple cell death-inducing effects and metastatic potential. Our findings recommend further evaluation of its effects in clinical studies. PMID- 29220398 TI - A minimally invasive optical trapping system to understand cellular interactions at onset of an immune response. AB - T-cells and antigen presenting cells are an essential part of the adaptive immune response system and how they interact is crucial in how the body effectively fights infection or responds to vaccines. Much of the experimental work studying interaction forces between cells has looked at the average properties of bulk samples of cells or applied microscopy to image the dynamic contact between these cells. In this paper we present a novel optical trapping technique for interrogating the force of this interaction and measuring relative interaction forces at the single-cell level. A triple-spot optical trap is used to directly manipulate the cells of interest without introducing foreign bodies such as beads to the system. The optical trap is used to directly control the initiation of cell-cell contact and, subsequently to terminate the interaction at a defined time point. The laser beam power required to separate immune cell pairs is determined and correlates with the force applied by the optical trap. As proof of concept, the antigen-specific increase in interaction force between a dendritic cell and a specific T-cell is demonstrated. Furthermore, it is demonstrated that this interaction force is completely abrogated when T-cell signalling is blocked. As a result the potential of using optical trapping to interrogate cellular interactions at the single cell level without the need to introduce foreign bodies such as beads is clearly demonstrated. PMID- 29220399 TI - "What they see is what you get": Prescribing antibiotics for respiratory tract infections in primary care: Do high prescribers diagnose differently? An analysis of German routine data. AB - BACKGROUND: Characteristics of high and low prescribers of antibiotics in German primary care were analysed using population data. We aimed to evaluate differences in prescribing rates and factors being associated with high prescribing, and whether high prescribers made the diagnosis of perceived bacterial infections more often. METHODS: Routine data were provided by the Bavarian Association of Statutory Health Insurance Physicians. Routine data are delivered by primary care practices on a quarterly basis. We analysed data from 2011 and 2012. Patients older than 15 years with respiratory tract infections consulting a primary care physician were selected (6.647 primary care practices). Patient and physician characteristics associated with high prescribing were identified using stepwise logistic regression. RESULTS: Mean prescribing rate of antibiotics was 24.9%. Prescribing rate for high prescribers was 43.5% compared to 8.5% for low prescribers. High prescribers made the diagnosis of perceived bacterial infections more often (Mhigh = 64.5%, Mlow = 45.2%). In the adjusted regression model, perceived bacterial infections were strongly associated with high prescribing (OR = 13.9, 95% CI [10.2, 18.8]). Treating patients with comorbidities was associated with lower prescribing of antibiotics (OR = 0.6, 95% CI [0.4, 0.8]). High prescribers had a higher practice volume, a higher degree of prescribing dominance, and were situated more often in deprived areas and in rural settings. INTERPRETATION: Compared to findings of studies in other European countries, prescribing rates were low. There was a considerable difference between prescribing rates of high and low prescribers. Diagnostic labelling was the best predictor for high prescribing. Current guidelines recommend considering antibiotic treatment for patients with co-morbidities. In our study, treating a large number of high-risk patients was not associated with high prescribing. PMID- 29220400 TI - Social structure, opportunistic punishment and the evolution of honest signaling. AB - Honest signaling is generally taken to be a necessary pre-condition for a stable signaling system, because deceptive signaling at a high enough rate should cause receivers to ignore the signal, which in turn undermines the utility of sending signals. Deception is normally thought to occur because of benefits it has to the deceiver. This raises the question of why signaling systems should exist and persist over time, especially in cases in which the interests of the senders and receivers are not well aligned. Punishment has been seen as a way of imposing costs on deceptive signalers. We investigate the effects of opportunistic-that is, non-altruistic punishment-on the evolution of an honest signaling system. Our model is based on research done on social insects. We model a society of agents, divided into three castes differing in aggressiveness. Under severe punishment deception is indeed asymptotically eliminated. Under somewhat less severe punishment, deception persists and the rates of deception correlate with social structure. We find that social structure robustly mediates the level of deception under regimes of punishment and that this is evident except in the most stringent of punishment regimes. PMID- 29220401 TI - Contour recognition of complex leaf shapes. AB - The leaf shape is an important taxonomic character. Compared to the classic morphological leaf features such as veins, margin indentations, sinuses, etc., the shape is simpler to obtain by using the 'magic wand' or other contouring tools that are available in most of imaging applications. The only exception is when leaves develop large lobes that get in touch or overlap each other, as the presence of hidden or closed portions of the leaf border precludes the application of automatic methods and forces the leaf contour to be traced manually. This is a time consuming and relatively accurate operation that, nevertheless, can not be avoided, as overlapping lobes are characteristic features of the leaves of several plant species and varieties. The method described in the paper overcomes this problem as it allows the leaf contour to be achieved even in the presence of touching or overlapping lobes. The method involves three steps: (1) the acquisition of leaf images using a transilluminator, (2) a two-level image segmentation that allows all leaf components (blade, overlapping lobes and closed sinuses) to be represented in a single binary image, and (3) the contouring and concatenation of all binary outlines in a single, self-intersecting closed contour that reproduces accurately the leaf shape. The method can be extended to acquire the shape of leaves of herbarium specimens, that are often overlapped but can not be easily handled and repositioned because of their extreme fragility and relevant taxonomic value. PMID- 29220402 TI - Bodily motion fluctuation improves reaching success rate in a neurophysical agent via geometric-stochastic resonance. AB - Organisms generate a variety of noise types, including neural noise, sensory noise, and noise resulting from fluctuations associated with movement. Sensory and neural noises are known to induce stochastic resonance (SR), which improves information transfer to the subjects control systems, including the brain. As a consequence, sensory and neural noise provide behavioral benefits, such as stabilization of posture and enhancement of feeding efficiency. In contrast, the benefits of fluctuations in the movements of a biological system remain largely unclear. Here, we describe a novel type of noise-induced order (NIO) that is realized by actively exploiting the motion fluctuations of an embodied system. In particular, we describe the theoretical analysis of a feedback-controlled embodied agent system that has a geometric end-effector. Furthermore, through several numerical simulations we demonstrate that the ratio of successful reaches to goal positions and capture of moving targets are improved by the exploitation of motion fluctuations. We report that reaching success rate improvement (RSRI) is based on the interaction of the geometric size of an end-effector, the agents motion fluctuations, and the desired motion frequency. Therefore, RSRI is a geometrically induced SR-like phenomenon. We also report an interesting result obtained through numerical simulations indicating that the agents neural and motion noise must be optimized to match the prey's motion noise in order to maximize the capture rate. Our study provides a new understanding of body motion fluctuations, as they were found to be the active noise sources for a behavioral NIO. PMID- 29220403 TI - Correction: Modelling innovation performance of European regions using multi output neural networks. AB - [This corrects the article DOI: 10.1371/journal.pone.0185755.]. PMID- 29220404 TI - PyMT-Maclow: A novel, inducible, murine model for determining the role of CD68 positive cells in breast tumor development. AB - CD68+ tumor-associated macrophages (TAMs) are pro-tumorigenic, pro-angiogenic and are associated with decreased survival rates in patients with cancer, including breast cancer. Non-specific models of macrophage ablation reduce the number of TAMs and limit the development of mammary tumors. However, the lack of specificity and side effects associated with these models compromise their reliability. We hypothesized that specific and controlled macrophage depletion would provide precise data on the effects of reducing TAM numbers on tumor development. In this study, the MacLow mouse model of doxycycline-inducible and selective CD68+ macrophage depletion was crossed with the murine mammary tumor virus (MMTV)-Polyoma virus middle T antigen (PyMT) mouse model of spontaneous ductal breast adenocarcinoma to generate the PyMT-MacLow line. In doxycycline treated PyMT-MacLow mice, macrophage numbers were decreased in areas surrounding tumors by 43%. Reducing the number of macrophages by this level delayed tumor progression, generated less proliferative tumors, decreased the vascularization of carcinomas and down-regulated the expression of many pro-angiogenic genes. These results demonstrate that depleting CD68+ macrophages in an inducible and selective manner delays the development of mammary tumors and that the PyMT MacLow model is a useful and unique tool for studying the role of TAMs in breast cancer. PMID- 29220405 TI - Maaqwi cascadensis: A large, marine diving bird (Avialae: Ornithurae) from the Upper Cretaceous of British Columbia, Canada. AB - Mesozoic bird fossils from the Pacific Coast of North America are rare, but small numbers are known from the Late Cretaceous aged sediments of Hornby Island, British Columbia. Most are unassociated fragments that offer little information, but additional preparation of a large coracoid has revealed more details of its structure, as well as three associated wing bones. Phylogenetic analysis suggests that Maaqwi cascadensis, gen. et sp. nov. represents a derived crown or near crown member of Ornithurae, and specifically suggests affinities with Vegaviidae. M. cascadensis is characterized by large size, and regressions based on dimensions of the coracoid suggest a large bird, with an estimated body mass of approximately 1.5 kilograms. The bones are robust, with thick walls, suggesting that M. cascadensis was a bird adapted for diving, similar to modern loons and grebes. The wings are short, while the coracoid is unusually short and broad, similar to modern loons. Along with the Ichthyornithes and Hesperornithes, M. cascadensis and Vegaviidae appear to represent a third clade of bird that evolved to exploit marine habitats in the Late Cretaceous, one specialized for foot propelled diving and rapid cruising flight over water. PMID- 29220406 TI - Excessively low salt diet damages the heart through activation of cardiac (pro) renin receptor, renin-angiotensin-aldosterone, and sympatho-adrenal systems in spontaneously hypertensive rats. AB - OBJECTIVE: A high salt intake causes hypertension and leads to cardiovascular disease. Therefore, a low salt diet is now recommended to prevent hypertension and cardiovascular disease. However, it is still unknown whether an excessively low salt diet is beneficial or harmful for the heart. METHODS: Wistar Kyoto rats (WKYs) and spontaneously hypertensive rats (SHRs) received normal salt chow (0.9% salt diet) and excessively low salt chow (0.01% salt diet referred to as saltless diet) for 8 weeks from 8 to 16 weeks of age. The effects of the excessively low salt diet on the cardiac (pro) renin receptor, renin-angiotensin-aldosterone, and sympatho-adrenal systems were investigated. RESULTS: The excessively low salt diet did not affect the systolic blood pressure but significantly increased the heart rate both in WKYs and SHRs. The excessively low salt diet significantly elevated plasma renin activity, plasma angiotensin I, II and aldosterone concentrations, and plasma noradrenaline and adrenaline concentrations both in WKYs and SHRs. Cardiac expressions of renin, prorenin, (P)RR, angiotensinogen, and angiotensin II AT1 receptor and phosphorylated (p)-ERK1/2, p-HSP27, p-38MAPK, and TGF-beta1 were significantly enhanced by the excessively low salt diet in both WKYs and SHRs. The excessively low salt diet accelerated cardiac interstitial and perivascular fibrosis and increased the cardiomyocyte size and interventricular septum thickness in WKYs and SHRs but the extent was greater in SHRs. CONCLUSION: An excessively low salt diet damages the heart through activation of plasma renin-angiotensin-aldosterone and sympatho-adrenal systems and activation of cardiac (P)RR and angiotensin II AT1 receptor and their downstream signals both in WKYs and SHRs. PMID- 29220407 TI - Respiratory resistance and reactance in adults with sickle cell anemia: Correlation with functional exercise capacity and diagnostic use. AB - BACKGROUND: The improvement in sickle cell anemia (SCA) care resulted in the emergence of a large population of adults living with this disease. The mechanisms of lung injury in this new population are largely unknown. The forced oscillation technique (FOT) represents the current state-of-the-art in the assessment of lung function. The present work uses the FOT to improve our knowledge about the respiratory abnormalities in SCA, evaluates the associations of FOT with the functional exercise capacity and investigates the early detection of respiratory abnormalities. METHODOLOGY/PRINCIPAL FINDINGS: Spirometric classification of restrictive abnormalities resulted in three categories: controls (n = 23), patients with a normal exam (n = 21) and presenting pulmonary restriction (n = 24). FOT analysis showed that, besides restrictive changes (reduced compliance; p<0.001), there is also an increase in respiratory resistance (p<0.001) and ventilation heterogeneity (p<0.01). FOT parameters are associated with functional exercise capacity (R = -0.38), pulmonary diffusion (R = 0.66), respiratory muscle performance (R = 0.41), pulmonary volumes (R = 0.56) and airway obstruction (R = 0.54). The diagnostic accuracy was evaluated by investigating the area under the receiver operating characteristic curve (AUC). A combination of FOT and machine learning (ML) classifiers showed adequate diagnostic accuracy in the detection of early respiratory abnormalities (AUC = 0.82). CONCLUSIONS: In this study, the use of FOT showed that adults with SCA develop a mixed pattern of respiratory disease. Changes in FOT parameters are associated with functional exercise capacity decline, abnormal pulmonary mechanics and diffusion. FOT associated with ML methods accurately diagnosed early respiratory abnormalities. This suggested the potential utility of the FOT and ML clinical decision support systems in the identification of respiratory abnormalities in patients with SCA. PMID- 29220408 TI - Comparison of Goto-Kakizaki rats and high fat diet-induced obese rats: Are they reliable models to study Type 2 Diabetes mellitus? AB - Type 2 Diabetes mellitus (T2DM) is an evident growing disease that affects different cultures throughout the world. T2DM occurs under the influence of three main factors: the genetic background, environmental and behavioral components. Obesity is strongly associated to the development of T2DM in the occident, while in the orient most of the diabetic patients are considered lean. Genetics may be a key factor in the development of T2DM in societies where obesity is not a recurrent public health problem. Herein, two different models of rats were used to understand their differences and reliability as experimental models to study the pathophysiology of T2DM, in two different approaches: the genetic (GK rats) and the environmental (HFD-induced obese rats) influences. GK rats were resistant to weight gain even though food/energy consumption (relative to body weight) was higher in this group. HFD, on the other hand, induced obesity in Wistar rats. White adipose tissue (WAT) expansion in this group was accompanied by immune cells infiltration, inflammation and insulin resistance. GK rats also presented WAT inflammation and insulin resistance; however, no immune cells infiltration was observed in the WAT of this group. Liver of HFD group presented fat accumulation without differences in inflammatory cytokines content, while liver of GK rats didn't present fat accumulation, but showed an increase of IL-6 and IL 10 content and glycogen. Also, GK rats showed increased plasma GOT and GPT. Soleus muscle of HFD presented normal insulin signaling, contrary to GK rats, which presented higher content of basal phosphorylation of GSK-3beta. Our results demonstrated that HFD developed a mild insulin resistance in Wistar rats, but was not sufficient to develop T2DM. In contrast, GK rats presented all the typical hallmarks of T2DM, such as insulin resistance, defective insulin production, fasting hyperglycemia/hyperinsulinemia and lipid plasma alteration. Thus, on the given time point of this study, we may conclude that only GK rats shown to be a reliable model to study T2DM. PMID- 29220409 TI - Acquisition of functions on the outer capsid surface during evolution of double stranded RNA fungal viruses. AB - Unlike their counterparts in bacterial and higher eukaryotic hosts, most fungal viruses are transmitted intracellularly and lack an extracellular phase. Here we determined the cryo-EM structure at 3.7 A resolution of Rosellinia necatrix quadrivirus 1 (RnQV1), a fungal double-stranded (ds)RNA virus. RnQV1, the type species of the family Quadriviridae, has a multipartite genome consisting of four monocistronic segments. Whereas most dsRNA virus capsids are based on dimers of a single protein, the ~450-A-diameter, T = 1 RnQV1 capsid is built of P2 and P4 protein heterodimers, each with more than 1000 residues. Despite a lack of sequence similarity between the two proteins, they have a similar alpha-helical domain, the structural signature shared with the lineage of the dsRNA bluetongue virus-like viruses. Domain insertions in P2 and P4 preferential sites provide additional functions at the capsid outer surface, probably related to enzyme activity. The P2 insertion has a fold similar to that of gelsolin and profilin, two actin-binding proteins with a function in cytoskeleton metabolism, whereas the P4 insertion suggests protease activity involved in cleavage of the P2 383 residue C-terminal region, absent in the mature viral particle. Our results indicate that the intimate virus-fungus partnership has altered the capsid genome protective and/or receptor-binding functions. Fungal virus evolution has tended to allocate enzyme activities to the virus capsid outer surface. PMID- 29220410 TI - Cleavage of osmosensitive transcriptional factor NFAT5 by Coxsackieviral protease 2A promotes viral replication. AB - Nuclear factor of activated T cells 5 (NFAT5)/Tonicity enhancer binding protein (TonEBP) is a transcription factor induced by hypertonic stress in the kidney. However, the function of NFAT5 in other organs has rarely been studied, even though it is ubiquitously expressed. Indeed, although NFAT5 was reported to be critical for heart development and function, its role in infectious heart diseases has remained obscure. In this study, we aimed to understand the mechanism by which NFAT5 interferes with infection of Coxsackievirus B3 (CVB3), a major cause of viral myocarditis. Our initial results demonstrated that although the mRNA level of NFAT5 remained constant during CVB3 infection, NFAT5 protein level decreased because the protein was cleaved. Bioinformatic prediction and verification of the predicted site by site-directed mutagenesis experiments determined that the NFAT5 protein was cleaved by CVB3 protease 2A at Glycine 503. Such cleavage led to the inactivation of NFAT5, and the 70-kDa N-terminal cleavage product (p70-NFAT5) exerted a dominant negative effect on the full length NFAT5 protein. We further showed that elevated expression of NFAT5 to counteract viral protease cleavage, especially overexpression of a non-cleavable mutant of NFAT5, significantly inhibited CVB3 replication. Ectopic expression of NFAT5 resulted in elevated expression of inducible nitric oxide synthase (iNOS), a factor reported to inhibit CVB3 replication. The necessity of iNOS for the anti CVB3 effect of NFAT5 was supported by the observation that inhibition of iNOS blocked the anti-CVB3 effect of NFAT5. In a murine model of viral myocarditis, we observed that treatment with hypertonic saline or mannitol solution upregulated NFAT5 and iNOS expression, inhibited CVB3 replication and reduced tissue damage in the heart. Taken together, our data demonstrate that the anti-CVB3 activity of NFAT5 is impaired during CVB3 infection due to 2A-mediated cleavage of NFAT5. Thus induction of NFAT5 by hypertonic agents may be a promising strategy for the development of anti-CVB3 therapeutics. PMID- 29220411 TI - Hexahydrocurcumin protects against cerebral ischemia/reperfusion injury, attenuates inflammation, and improves antioxidant defenses in a rat stroke model. AB - The purpose of the present experiment was to investigate whether hexahydrocurcumin (HHC) attenuates brain damage and improves functional outcome via the activation of antioxidative activities, anti-inflammation, and anti apoptosis following cerebral ischemia/reperfusion (I/R). In this study, rats with cerebral I/R injury were induced by a transient middle cerebral artery occlusion (MCAO) for 2 h, followed by reperfusion. The male Wistar rats were randomly divided into five groups, including the sham-operated, vehicle-treated, 10 mg/kg HHC-treated, 20 mg/kg HHC-treated, and 40 mg/kg HHC-treated I/R groups. The animals were immediately injected with HHC by an intraperitoneal administration at the onset of cerebral reperfusion. After 24 h of reperfusion, the rats were tested for neurological deficits, and the pathology of the brain was studied by 2,3,5-triphenyltetrazolium chloride (TTC) staining, hematoxylin and eosin (H&E) staining, and terminal deoxynucleotidyltransferase UTP nick end labeling (TUNEL) staining. In addition, the brain tissues were prepared for protein extraction for Western blot analysis, a malondialdehyde (MDA) assay, a nitric oxide (NO) assay, a superoxide dismutase (SOD) assay, a glutathione (GSH) assay, and a glutathione peroxidase (GSH-Px) assay. The data revealed that the neurological deficit scores and the infarct volume were significantly reduced in the HHC-treated rats at all doses compared to the vehicle group. Treatment with HHC significantly attenuated oxidative stress and inflammation, with a decreased level of MDA and NO and a decreased expression of NF-kappaB (p65) and cyclooxygenase-2 (COX-2) in the I/R rats. HHC also evidently increased Nrf2 (nucleus) protein expression, heme oxygenase-1 (HO-1) protein expression, the antioxidative enzymes, and the superoxide dismutase (SOD) activity. Moreover, the HHC treatment also significantly decreased apoptosis, with a decrease in Bax and cleaved caspase-3 and an increase in Bcl-XL, which was in accordance with a decrease in the apoptotic neuronal cells. Therefore, the HHC treatment protects the brain from cerebral I/R injury by diminishing oxidative stress, inflammation, and apoptosis. The antioxidant properties of HHC may play an important role in improving functional outcomes and may offer significant neuroprotection against I/R damage. PMID- 29220412 TI - Do managed bees have negative effects on wild bees?: A systematic review of the literature. AB - Managed bees are critical for crop pollination worldwide. As the demand for pollinator-dependent crops increases, so does the use of managed bees. Concern has arisen that managed bees may have unintended negative impacts on native wild bees, which are important pollinators in both agricultural and natural ecosystems. The goal of this study was to synthesize the literature documenting the effects of managed honey bees and bumble bees on wild bees in three areas: (1) competition for floral and nesting resources, (2) indirect effects via changes in plant communities, including the spread of exotic plants and decline of native plants, and (3) transmission of pathogens. The majority of reviewed studies reported negative effects of managed bees, but trends differed across topical areas. Of studies examining competition, results were highly variable with 53% reporting negative effects on wild bees, while 28% reported no effects and 19% reported mixed effects (varying with the bee species or variables examined). Equal numbers of studies examining plant communities reported positive (36%) and negative (36%) effects, with the remainder reporting no or mixed effects. Finally, the majority of studies on pathogen transmission (70%) reported potential negative effects of managed bees on wild bees. However, most studies across all topical areas documented the potential for impact (e.g. reporting the occurrence of competition or pathogens), but did not measure direct effects on wild bee fitness, abundance, or diversity. Furthermore, we found that results varied depending on whether managed bees were in their native or non-native range; managed bees within their native range had lesser competitive effects, but potentially greater effects on wild bees via pathogen transmission. We conclude that while this field has expanded considerably in recent decades, additional research measuring direct, long-term, and population-level effects of managed bees is needed to understand their potential impact on wild bees. PMID- 29220413 TI - Reinforcement learning account of network reciprocity. AB - Evolutionary game theory predicts that cooperation in social dilemma games is promoted when agents are connected as a network. However, when networks are fixed over time, humans do not necessarily show enhanced mutual cooperation. Here we show that reinforcement learning (specifically, the so-called Bush-Mosteller model) approximately explains the experimentally observed network reciprocity and the lack thereof in a parameter region spanned by the benefit-to-cost ratio and the node's degree. Thus, we significantly extend previously obtained numerical results. PMID- 29220414 TI - Detection of spontaneous pulse using the acceleration signals acquired from CPR feedback sensor in a porcine model of cardiac arrest. AB - BACKGROUND: Reliable detection of return of spontaneous circulation with minimal interruptions of chest compressions is part of high-quality cardiopulmonary resuscitation (CPR) and routinely done by checking pulsation of carotid arteries. However, manual palpation was time-consuming and unreliable even if performed by expert clinicians. Therefore, automated accurate pulse detection with minimal interruptions of chest compression is highly desirable during cardiac arrest especially in out-of-hospital settings. OBJECTIVE: To investigate whether the acceleration (ACC) signals acquired from accelerometer-based CPR feedback sensor can be used to distinguish perfusing rhythm (PR) from pulseless electrical activity (PEA) in a porcine model of cardiac arrest. METHODS: Cardiac arrest was induced in 49 male adult pigs. ECG, arterial blood pressure (ABP) and ACC waveforms were simultaneously recorded during CPR. 3-second segments containing compression-free signals during chest compression pauses were extracted and only those segments with organized rhythm were used for analysis. PR was defined as systolic arterial pressure >60 mmHg and pulse pressure >10 mmHg, while PEA was defined as an organized rhythm that does not meet the above criteria for PR. Peak correlation coefficient (CCp) of the cross-correlation function between pre processed ECG and ACC, was used to discriminate PR and PEA. RESULTS: 63 PR and 153 PEA were identified from the total of 1025 extracted segments. CCp was significantly higher for PR as compared to PEA (0.440+/-0.176 vs. 0.067+/-0.042, p<0.01) and highly correlated with ABP (r = 0.848, p<0.001). The area under the receiver operating characteristic curve, sensitivity, specificity and accuracy were 0.965, 93.6%, 97.5% and 96.7% for the ACC-based automatic spontaneous pulse detection. CONCLUSIONS: In this animal model, the ACC signals acquired from an accelerometer-based CPR feedback sensor can be used to detect the presence of spontaneous pulse with high accuracy. PMID- 29220415 TI - Effect of 3D microstructure of dermal papillae on SED concentration at a mechanoreceptor location. AB - The feeling of touch is an essential human sensation. Four types of mechanoreceptors (i.e., FA-I, SA-I, FA-II, and SA-II) in human skin signalize physical properties, such as shape, size, and texture, of an object that is touched and transmit the signal to the brain. Previous studies attempted to investigate the mechanical properties of skin microstructure and their effect on mechanoreceptors by using finite element modeling. However, very few studies have focused on the three-dimensional microstructure of dermal papillae, and this is related to that of FA-I receptors. A gap exists between conventional 2D models of dermal papillae and the natural configuration, which corresponds to a complex and uneven structure with depth. In this study, the three-dimensional microstructure of dermal papillae is modeled, and the differences between two-dimensional and three-dimensional aspects of dermal papillae on the strain energy density at receptor positions are examined. The three-dimensional microstructure has a focalizing effect and a localizing effect. Results also reveal the potential usefulness of these effects for tactile sensor design, and this may improve edge discrimination. PMID- 29220417 TI - A Major Win for the Treatment of Nail Psoriasis. AB - . PMID- 29220416 TI - The effectiveness and limitation of the national childhood hepatitis A vaccination program in the Republic of Korea: Findings from the Korean National Health and Nutrition Examination Survey (KNHANES), 2015. AB - BACKGROUND: Vaccination for hepatitis A virus (HAV) has been implemented as one of the national vaccination programs despite the epidemiological transition of HAV in the Republic of Korea. While the national HAV vaccination program is largely associated with the shift of socioeconomic trend in the country, concerns have been raised on the effectiveness of the HAV immunization. The objective of this study was to examine the epidemiological trend of HAV and assess the effectiveness of the nationwide HAV vaccination policy based on a nationally representative sample of the Korean population collected in 2015. METHODS: We analyzed anti-HAV of 5,856 respondents aged >=10 years collected from Korean National Health and Nutrition Examination Survey (KNHANES) data in 2015. We estimated age-adjusted anti-HAV prevalence by sociodemographic and other characteristics. We evaluated the factors associated with anti-HAV positivity among each age group (10-19, 20-29, 30-45 and over 45 years old). RESULTS: The prevalence of anti-HAV among adults aged >=10 years was 72.5% (95% confidence interval, CI, 73.7-71.4) in 2015. The lowest age-specific prevalence was among adults aged 20-29 years with 11.9% (95% CI 9.3-15.1%). The prevalence of anti-HAV among those aged 10-14 and 15-19 years was 59.7% (95% CI 52.7-66.4) and 24.0% (95% CI 19.5-29.3), respectively. The prevalence of anti-HAV among adults aged between 30 and 44 years rapidly increased from below 20% to above 90%. The prevalence of anti-HAV among adults aged >=45 years was 97.8% (95% CI 96.0-97.6). Factors significantly associated with anti-HAV positivity among those aged 10-19 years old were young age, higher house income and high influenza vaccination rate. Compared to the respondents aged 10-19 years (those who were subject to the national childhood vaccine recommendation), those aged 20-29 years (those who were not subject to the recommendation) had low adjusted odds ratio (OR, 0.52 95% CI 0.34-.81 P-value = 0.004) for anti-HAV positivity. CONCLUSIONS: The age adjusted anti-HAV prevalence showed a U-shaped association, implying the high dependence of anti-HAV prevalence on age and the epidemiological shift. The inclusion of the hepatitis A vaccine into the national immunization recommendation was effective shown by the increase of immunity in the general population. However, the vaccination rate was low in the low-income group. Young adults aged 20-39 years may benefit from inclusion in the HAV vaccination program due to the significantly low vaccination rate. PMID- 29220418 TI - Plant-Mediated Female Transcriptomic Changes Post-Mating in a Tephritid Fruit Fly, Bactrocera tryoni. AB - Female post-mating behaviors are regulated by complex factors involving males, females, and the environment. In insects, plant secondary compounds that males actively forage for, may indirectly modify female behaviors by altering male behavior and physiology. In the tephritid fruit fly, Bactrocera tryoni, females mated with males previously fed on plant-derived phenylpropanoids (="lures" based on usage in tephritid literature), have longer mating refractoriness, greater fecundity, and reduced longevity than females mated with non-lure fed males. This system thus provides a model for studying transcriptional changes associated with those post-mating behaviors, as the genes regulating the phenotypic changes are likely to be expressed at a greater magnitude than in control females. We performed comparative transcriptome analyses using virgin B. tryoni females, females mated with control males (control-mated), and females mated with lure-fed males (lure-mated). We found 331 differentially expressed genes (DEGs) in control mated females and 80 additional DEGs in lure-mated females. Although DEGs in control-mated females are mostly immune response genes and chorion proteins, as reported in Drosophila species, DEGs in lure-mated females are titin-like muscle proteins, histones, sperm, and testis expressed proteins which have not been previously reported. While transcripts regulating mating (e.g., lingerer) did not show differential expression in either of the mated female classes, the odorant binding protein Obp56a was down-regulated. The exclusively enriched or suppressed genes in lure-mated females, novel transcripts such as titin and histones, and several taxa-specific transcripts reported here can shed more light on post mating transcriptional changes, and this can help understand factors possibly regulating female post-mating behaviors. PMID- 29220419 TI - High-Resolution Single-Cell Sequencing of Malaria Parasites. AB - Single-cell genomics is a powerful tool for determining the genetic architecture of complex communities of unicellular organisms. In areas of high transmission, malaria patients are often challenged by the activities of multiple Plasmodium falciparum lineages, which can potentiate pathology, spread drug resistance loci, and also complicate most genetic analysis. Single-cell sequencing of P. falciparum would be key to understanding infection complexity, though efforts are hampered by the extreme nucleotide composition of its genome (~80% AT-rich). To counter the low coverage achieved in previous studies, we targeted DNA-rich late stage parasites by Fluorescence-Activated Cell Sorting and whole genome sequencing. Our method routinely generates accurate, near-complete capture of the 23 Mb P. falciparum genome (mean breadth of coverage 90.7%) at high efficiency. Data from 48 single-cell genomes derived from a polyclonal infection sampled in Chikhwawa, Malawi allowed for unambiguous determination of haplotype diversity and recent meiotic events, information that will aid public health efforts. PMID- 29220420 TI - Fear of Falling Predicts Incidence of Functional Disability 2 Years Later: A Perspective From an International Cohort Study. AB - Objective: To study the extent to which fear of falling (FOF) is associated with the onset of functional disability over a 2-year period in older adults using self-reported and performance-based measures. Methods: In 2012, 1,601 participants (aged 65-74 years) were recruited from four sites: Kingston and Saint-Hyacinthe, Canada; Manizales, Colombia; and Natal, Brazil. They were re assessed in 2014. We quantified FOF using the Fall Efficacy Scale-International (FES-I; range: 16-64). Functional disability measures were (i) self-reported incident mobility disability, defined as difficulty climbing a flight of stairs or walking 400 m and (ii) incident poor physical performance, defined as a score <9 on the Short Physical Performance Battery. In the Poisson regression analysis, we included only those participants without functional disability at baseline to calculate incident risk ratios in 2014. Results: 1,355 participants completed the 2014 assessment, of which 917 and 1,078 had no mobility disability and poor physical performance at baseline, respectively. In 2014, 131 (14.3%), and 166 (15.4%) participants reported incident mobility disability and poor physical performance, respectively. After adjusting for age, sex, socioeconomic, and health covariates, a one-point increase in FES-I at baseline was significantly associated with a 4% increase in the risk of reporting incident mobility disability (95% CI: 1.02-1.05) and a 3% increase in the risk of developing poor physical performance at follow up in the overall sample (95%CI: 1.01-1.05). Conclusions: FOF is associated with a higher risk of incident mobility disability and poor physical performance in a cohort of older adults. It is increasingly important to study FOF's effect on functional disability and to take necessary measures to prevent the transition to end-stage disability. PMID- 29220421 TI - Optimal dose of dabigatran for the prevention of thromboembolism with minimal bleeding risk in Korean patients with atrial fibrillation. AB - Aims: We aim to determine the optimal dose of dabigatran in Korean patients with atrial fibrillation (AF). Methods and results: We analysed 1834 patients with non valvular AF, classified into a warfarin group (n = 990), dabigatran 150 mg group (D150, n = 294), and 110 mg group (D110, n = 550). The D110 group was further classified into patients concordant (co-D110, n = 367) and patients discordant (di-D110, n = 183) with guidelines to dose reduction. Propensity-matched 1-year clinical outcomes were then compared. Efficacy outcomes were defined as thromboembolism composed of new-onset stroke or systemic embolism. Safety outcomes were major bleeding. Both D150 and D110 had comparable efficacies as warfarin. However, only D110 significantly lowered the risk of major bleeding [hazard ratio (HR) 0.19, 95% confidence interval (CI) 0.07-0.55, P = 0.002]. In a subgroup analysis according to guideline-concordant indications for dose reduction, both co-D110 and di-D110 displayed a comparable efficacy as warfarin. Both co-D110 (HR 0.22, 95% CI 0.06-0.76, P = 0.017) and di-D110 (HR 0.11, 95% CI 0.02-0.81, P = 0.030) significantly lowered incidences of major bleeding. There were no differences in the efficacy and safety between di-D110 and D150, and net clinical outcomes were similar. Conclusion: Although D150 and D110 had a comparable efficacy, only D110 lowered the risk of major bleeding in Korean AF patients compared with warfarin. Even the guideline-discordant use of dabigatran 110 mg demonstrated a similar efficacy and safety compared with D150. However, further prospective randomized trials are needed in order to comprehensively evaluate whether D150 or D110 is the optimal dosage in Asian patients with AF. PMID- 29220422 TI - Atrioventricular node ablation and His bundle pacing. AB - Aims: Atrioventricular node ablation (AVNA) and right ventricular pacing (RVP) are effective therapies for patients with atrial fibrillation (AF) and rapid ventricular rates. His bundle pacing (HBP) is a physiologic alternative to RVP. The aim of our study is to assess the feasibility and safety of HBP in patients undergoing AVNA and its effect on left ventricular (LV) function. Methods and results: Permanent HBP is the preferred form of ventricular pacing at our institute. Atrioventricular node ablation and HBP were performed in patients with AF and difficulty in rate control. His bundle pacing implant characteristics and thresholds were recorded. Fluoroscopic relationship of AVNA site to HBP lead electrodes was documented. Left ventricular ejection fraction (LVEF) and New York Heart Association (NYHA) functional class at baseline and during follow-up were assessed. Forty-two patients underwent HBP and AVNA: age 74 +/- 11 years; men 45%; HTN 64%; DM 19%; CAD 36%; permanent AF 40%; cardiomyopathy 55%. His bundle pacing was successful in 40 of 42 patients (95%). Successful AVNA site was at or below the ring electrode in 22 (no acute change in HBP threshold); above the ring electrode in 13 and left side in 2 pts (acute increase in HBP threshold in 7 of 15 pts). Final HBP threshold at implant was 1 +/- 0.8 V@1 ms and increased to 1.6 +/- 1.2 V@1 ms during a mean follow-up of 19 +/- 14 months. Left ventricular ejection fraction increased from 43 +/- 13% to 50 +/- 11% (P = 0.01). New York Heart Association functional status improved from 2.5 +/- 0.5 to 1.9 +/- 0.5 (P = 0.04). Conclusion: Atrioventricular node ablation and HBP were successful in 95% of patients. His bundle pacing lead characteristics remained relatively stable. Left ventricular ejection fraction improved significantly during follow-up. His bundle pacing is feasible, safe and effective in pts undergoing AVNA. PMID- 29220423 TI - Tpeak-Tend interval during therapeutic hypothermia can predict upcoming ventricular fibrillation in subjects with aborted arrhythmic sudden cardiac death: 3-years follow-up results. AB - Aims: Prolonged Tpeak-Tend interval has been shown to be markers of arrhythmogenesis in various cardiac disorders. However, its dynamicity is one of the obstacles to predict fatal ventricular arrhythmia. This study investigated whether Tpeak-Tend interval during therapeutic hypothermia (TH) is associated with ventricular fibrillation (VF) inducibility and clinical arrhythmia in subjects with aborted arrhythmic sudden cardiac death (SCD). Methods and results: The study group included 31 patients (24 males, age 39.1 +/- 17.6 years) presenting with arrhythmic SCD in whom Tpeak-Tend interval and J-wave amplitude were measured in electrocardiogram (ECG) of the earliest medical contact and during TH; these patients underwent programmed ventricular stimulation. The summation of J-wave amplitude and QTc interval increased during TH. However, it was not associated with VF inducibility. Patients with inducible VF showed a small Tpeak-Tend interval dispersion in the baseline 12-lead ECG (68.8 +/- 24.7 vs. 94.0 +/- 55.6 ms, P = 0.044) and a marked increase of the dispersion during the TH (36.2 +/- 51.2 vs. -6.1 +/- 45.5 ms, P = 0.039). Twenty-four patients underwent implantable cardioverter defibrillator (ICD) implantation. Among them, the patients with long QTc, Tpeak-Tend, and precordial Tpeak-Tend during the TH developed VF more frequently (QTc, 511.9 +/- 53.71 ms vs. 566.5 +/- 56.08 ms, P = 0.038; Tpeak-Tend interval, 145.6 +/- 38.4 ms vs. 185.7 +/- 49.95 ms, P = 0.048; precordial Tpeak-Tend interval, 139.3 +/- 35.11 ms vs. 185.7 +/- 49.95 ms, P = 0.018). The initial VF inducibility was not related with the VF development in follow-up. Conclusion: In patients with aborted arrhythmic SCD, long Tpeak-Tend interval and QTc interval during TH could predict VF development in their follow up. PMID- 29220424 TI - Genetically deprived vitamin D exposure predisposes to atrial fibrillation. AB - Aims: Low vitamin D level is associated with atrial fibrillation (AF) and may be implicated in its pathogenesis. Methods and results: We studied single nucleotide polymorphisms (SNPs) of vitamin D mechanistic pathways and serum 25 hydroxyvitamin D [25(OH)D] levels in an age- and gender-matched case-control study (controls without AF: mean age 68.6 +/- 8.7 years, female 25%; n = 1019; with AF: mean age 69.7 +/- 9.5 years, female 30%; n = 156) recruited from a Chinese clinical cohort of patients with stable coronary artery disease. Twelve SNPs involved in the vitamin D mechanistic pathways were studied [biosynthetic: rs4646536, rs10877012, rs3829251, rs1790349; activation: rs2060793, rs1993116; vitamin D-binding protein (VBP)/group-specific component (GC): rs4588, rs7041, rs2282679, rs1155563; and vitamin D receptor: rs1544410, rs10735810]. A genetic risk score (GRS) (0-8) was constructed from SNPs associated with serum 25(OH)D as a proxy to lifelong vitamin D-deficient state. All 4 SNPs involved in the VBP/GC were significantly associated with serum 25(OH)D (rs4588, P < 0.001; rs2282679, P < 0.001; rs7041, P = 0.011; rs1155563, P < 0.001; all other SNPs, P > 0.05). Vitamin D GRS (points 0-8) generated from these 4 SNPs was independently predictive of serum 25(OH)D [B = 0.54, 95% confidence interval (CI) 0.30-0.79; P < 0.001]. Genetically deprived vitamin D status as denoted by a low GRS (0-3) independently predicted an increased risk of AF, compared to a high GRS (4-8) (odds ratio = 1.848, 95% CI 1.217-2.805; P = 0.004). Conclusion: Genetically deprived vitamin D exposure predisposes to increased AF among patients with coronary artery disease. Whether VBP/GC may alter the risk of AF via alternative mechanisms warrants further studies. PMID- 29220425 TI - A leaflet plication clip is an effective surgical template for mitral valve foldoplasty. AB - OBJECTIVES: During mitral valve repair using the foldoplasty technique, correct judgement of the necessary dimensions and orientation of the leaflet fold is a critical but challenging step that can affect the chances of successful repair. In this study, we investigated whether a leaflet plication clip can be used to guide suture foldoplasty for posterior leaflet prolapse of the mitral valve. METHODS: Complete posterior leaflet prolapse was created in both in vivo and ex vivo pig hearts by severing the chordae supporting the middle scallop. A plication clip was applied to perform leaflet foldoplasty. Sutures were then placed using the clip as a template and the clip was removed. Leaflet width after flail creation, clip application and suture placement was determined in an ex vivo test. In vivo repair and evaluation was then performed in 7 pigs to determine the repair efficacy under normal physiological loading, at 1 and 6 h after recovery from cardiopulmonary bypass. RESULTS: Leaflet width after suture placement was comparable to the clip alone (7.0 +/- 1.4 vs 9.0 +/- 1.6) and both were significantly less than the flail width 15.7+/- 2.5 mm. In vivo, average coaptation height following repair was restored to 4.7 +/- 1.4 mm and 4.2 +/- 1.3 mm at 1 and 6 h, respectively, after recovery compared with the baseline height of 5.5 +/- 0.9 mm. Mitral regurgitation was reduced from moderate-severe to mild or less, and addition of a De-Vega annuloplasty in the last 3 animals abolished residual leaks to trivial or none. CONCLUSIONS: Application of the adjustable leaflet plication clip facilitated accurate determination of the correct position, width, height and orientation of the foldoplasty. Any necessary clip repositioning was made prior to the placement of sutures avoiding the need to redo the sutures. This approach could potentially help improve the ease and reproducibility of the foldoplasty repair. PMID- 29220428 TI - Sexual Dysfunction in Patients With Inflammatory Bowel Disease is not just a Matter of Quality of Life. PMID- 29220427 TI - Steroid but not Biological Therapy Elevates the risk of Venous Thromboembolic Events in Inflammatory Bowel Disease: A Meta-Analysis. AB - Background and Aims: Inflammatory bowel disease [IBD] is associated with a 1.5- to 3-fold increased risk of venous thromboembolism [VTE] events. The aim of this study was to determine the risk of VTE in IBD as a complication of systemic corticosteroids and anti-tumour necrosis factor alpha [TNFalpha] therapies. Methods: A systematic review and meta-analysis was conducted, which conforms to the Preferred Reporting Items for Systematic Reviews and Meta-analyses [PRISMA] statement. PubMed, EMBASE, Cochrane Library and Web of Science were searched for English-language studies published from inception inclusive of 15 April 2017. The population-intervention-comparison-outcome [PICO] format and statistically the random-effects and fixed-effect models were used to compare VTE risk during steroid and anti-TNFalpha treatment. Quality of the included studies was assessed using the Newcastle-Ottawa scale. The PROSPERO registration number is 42017070084. Results: We identified 817 records, of which eight observational studies, involving 58518 IBD patients, were eligible for quantitative synthesis. In total, 3260 thromboembolic events occurred. Systemic corticosteroids were associated with a significantly higher rate of VTE complication in IBD patients as compared to IBD patients without steroid medication (odds ratio [OR]: 2.202; 95% confidence interval [CI]: 1.698-2.856, p < 0.001). In contrast, treatment with anti-TNFalpha agents resulted in a 5-fold decreased risk of VTE compared to steroid medication [OR: 0.267; 95% CI: 0.106-0.674, p = 0.005]. Conclusion: VTE risk should be carefully assessed and considered when deciding between anti TNFalpha and steroids in the management of severe flare-ups. Thromboprophylaxis guidelines should be followed, no matter the therapy choice. PMID- 29220426 TI - Isl1beta Overexpression With Key beta Cell Transcription Factors Enhances Glucose Responsive Hepatic Insulin Production and Secretion. AB - Adenoviral gene transfer of key beta cell developmental regulators including Pdx1, Neurod1, and Mafa (PDA) has been reported to generate insulin-producing cells in the liver. However, PDA insulin secretion is transient and glucose unresponsive. Here, we report that an additional beta cell developmental regulator, insulin gene enhancer binding protein splicing variant (Isl1beta), improved insulin production and glucose-responsive secretion in PDA mice. Microarray gene expression analysis suggested that adenoviral PDA transfer required an additional element for mature beta cell generation, such as Isl1 and Elf3 in the liver. In vitro promoter analysis indicated that splicing variant Isl1, or Isl1beta, is an important factor for transcriptional activity of the insulin gene. In vivo bioluminescence monitoring using insulin promoter luciferase transgenic mice verified that adenoviral PDA + Isl1beta transfer produced highly intense luminescence from the liver, which peaked at day 7 and persisted for more than 10 days. Using insulin promoter-GFP transgenic mice, we further confirmed that Isl1beta supplementation to PDA augmented insulin producing cells in the liver, insulin production and secretion, and beta cell related genes. Finally, the PDA + Isl1beta combination ameliorated hyperglycemia in diabetic mice for 28 days and enhanced glucose tolerance and responsiveness. Thus, our results suggest that Isl1beta is a key additional transcriptional factor for advancing the generation of insulin-producing cells in the liver in combination with PDA. PMID- 29220429 TI - Combination Therapy With Adalimumab and Thiopurines in Inflammatory Bowel Disease: Is It a Case of Nepotism in Pharmacology? PMID- 29220430 TI - Postoperative Outcomes in Ustekinumab-Treated Patients Undergoing Abdominal Operations for Crohn's Disease. AB - Background: Ustekinumab, a monoclonal antibody targeting interleukins-12 and -23 is used to treat adults with Crohn's disease [CD]. We determined the 30-day postoperative infectious complication rate among CD patients who received ustekinumab within the 12 weeks prior to an abdominal operation as compared with patients who received anti-tumor necrosis factor [TNF] agents. Methods: A retrospective chart review of adults with CD who underwent an abdominal operation between January 1, 2015 and May 1, 2017 was performed across six sites. Surgical site infection [SSI] was defined as superficial skin and soft tissue infection, intra-abdominal abscess, anastomotic leak, and mucocutaneous separation of the stoma. Results: Forty-four patients received ustekinumab and 169 patients received anti-TNF therapy within the 12 weeks prior to surgery. The two groups were similar, except anti-TNF patients were more likely to have received combination therapy with an immunomodulator [P = 0.006]. There were no significant differences in postoperative SSI [13% in ustekinumab versus 20% in anti TNF-treated patients, p = 0.61] or hospital readmission rates [18% versus 10%, respectively, p = 0.14], but ustekinumab-treated patients had a higher rate of return to the operating room [16% versus 5%; P = 0.01]. There were no significant predictors identified on multivariable analysis. Conclusions: Of the 44 patients with CD who received ustekinumab within the 12 weeks prior to a major abdominal operation, 13% experienced a 30-day postoperative SSI, not statistically different from the 20% found in the anti-TNF cohort. Ustekinumab treatment within 12 weeks of surgery does not appear to increase the risk of postoperative SSI above that of CD patients treated with anti-TNF medications. PMID- 29220431 TI - In silico characterization of tandem repeats in Trichophyton rubrum and related dermatophytes provides new insights into their role in pathogenesis. AB - Database URL: http://comp.mch.ifsuldeminas.edu.br/dtrdb/. PMID- 29220432 TI - Triage by ranking to support the curation of protein interactions. AB - Database URL: http://candy.hesge.ch/nextA5. PMID- 29220433 TI - TIBLE: a web-based, freely accessible resource for small-molecule binding data for mycobacterial species. AB - Database URL: http://www-cryst.bioc.cam.ac.uk/tible/. PMID- 29220434 TI - decodeRNA- predicting non-coding RNA functions using guilt-by-association. AB - Database URL: http://www.decoderna.org. PMID- 29220436 TI - NutriChem 2.0: exploring the effect of plant-based foods on human health and drug efficacy. AB - Database URL: http://sbb.hku.hk/services/NutriChem-2.0/. PMID- 29220435 TI - MGIS: managing banana (Musa spp.) genetic resources information and high throughput genotyping data. AB - Database URL: https://www.crop-diversity.org/mgis/. PMID- 29220437 TI - LeishDB: a database of coding gene annotation and non-coding RNAs in Leishmania braziliensis. AB - Database URL: www.leishdb.com. PMID- 29220438 TI - PigVar: a database of pig variations and positive selection signatures. AB - Database URL: http://www.ibiomedical.net/pigvar/. PMID- 29220439 TI - Text mining and expert curation to develop a database on psychiatric diseases and their genes. AB - Database URL: http://www.psygenet.org. PsyGeNET corpus: http://www.psygenet.org/ds/PsyGeNET/results/psygenetCorpus.tar. PMID- 29220440 TI - MGFD: the maize gene families database. PMID- 29220442 TI - Benchmarking distributed data warehouse solutions for storing genomic variant information. AB - Database URL: https://github.com/ZSI-Bio/variantsdwh. PMID- 29220443 TI - RetrogeneDB-a database of plant and animal retrocopies. AB - Database URL: http://yeti.amu.edu.pl/retrogenedb. Secondary database URL: http://rhesus.amu.edu.pl/retrogenedb. PMID- 29220441 TI - Improved annotation of the insect vector of citrus greening disease: biocuration by a diverse genomics community. AB - Database URL: https://citrusgreening.org/. PMID- 29220445 TI - The Grass Carp Genome Database (GCGD): an online platform for genome features and annotations. AB - Database URL: http://bioinfo.ihb.ac.cn/gcgd. PMID- 29220444 TI - NRDTD: a database for clinically or experimentally supported non-coding RNAs and drug targets associations. AB - Database URL: http://chengroup.cumt.edu.cn/NRDTD. PMID- 29220446 TI - New extension software modules to enhance searching and display of transcriptome data in Tripal databases. AB - Database URL Tripal Elasticsearch module: https://github.com/tripal/tripal_elasticsearch. Tripal Analysis Expression module: https://github.com/tripal/tripal_analysis_expression. PMID- 29220447 TI - MiRIAD update: using alternative polyadenylation, protein interaction network analysis and additional species to enhance exploration of the role of intragenic miRNAs and their host genes. AB - Database URL: http://www.miriad-database.org. PMID- 29220448 TI - Cancer Odor Database (COD): a critical databank for cancer diagnosis research. AB - Database URL: http://bioinf.modares.ac.ir/software/cod/. PMID- 29220449 TI - RegulatorDB: a resource for the analysis of yeast transcriptional regulation. AB - Database URL: http://wyrickbioinfo2.smb.wsu.edu/RegulatorDB. PMID- 29220450 TI - CTD2 Dashboard: a searchable web interface to connect validated results from the Cancer Target Discovery and Development Network. AB - Database URL: https://ctd2-dashboard.nci.nih.gov/. PMID- 29220451 TI - BioSearch: a semantic search engine for Bio2RDF. AB - Database URL: http://ws.nju.edu.cn/biosearch/. PMID- 29220452 TI - A RESTful application programming interface for the PubMLST molecular typing and genome databases. AB - Database URL: http://rest.pubmlst.org/. PMID- 29220453 TI - A publicly available benchmark for biomedical dataset retrieval: the reference standard for the 2016 bioCADDIE dataset retrieval challenge. AB - Database URL: https://biocaddie.org/benchmark-data. PMID- 29220454 TI - Elsevier's approach to the bioCADDIE 2016 Dataset Retrieval Challenge. AB - Database URL: https://data.mendeley.com/datasets/zd9dxpyybg/1. PMID- 29220455 TI - Impact of translation on named-entity recognition in radiology texts. AB - Database URL: https://github.com/lasigeBioTM/MRRAD. PMID- 29220456 TI - RampDB: a web application and database for the exploration and prediction of receptor activity modifying protein interactions. AB - Database URL: http://rampdb.biology.gatech.edu. PMID- 29220457 TI - Multi-field query expansion is effective for biomedical dataset retrieval. AB - In the context of the bioCADDIE challenge addressing information retrieval of biomedical datasets, we propose a method for retrieval of biomedical data sets with heterogenous schemas through query reformulation. In particular, the method proposed transforms the initial query into a multi-field query that is then enriched with terms that are likely to occur in the relevant datasets. We compare and evaluate two query expansion strategies, one based on the Rocchio method and another based on a biomedical lexicon. We then perform a comprehensive comparative evaluation of our method on the bioCADDIE dataset collection for biomedical retrieval. We demonstrate the effectiveness of our multi-field query method compared to two baselines, with MAP improved from 0.2171 and 0.2669 to 0.2996. We also show the benefits of query expansion, where the Rocchio expanstion method improves the MAP for our two baselines from 0.2171 and 0.2669 to 0.335. We show that the Rocchio query expansion method slightly outperforms the one based on the biomedical lexicon as a source of terms, with an improvement of roughly 3% for MAP. However, the query expansion method based on the biomedical lexicon is much less resource intensive since it does not require computation of any relevance feedback set or any initial execution of the query. Hence, in term of trade-off between efficiency, execution time and retrieval accuracy, we argue that the query expansion method based on the biomedical lexicon offers the best performance for a prototype biomedical data search engine intended to be used at a large scale. In the official bioCADDIE challenge results, although our approach is ranked seventh in terms of the infNDCG evaluation metric, it ranks second in term of P@10 and NDCG. Hence, the method proposed here provides overall good retrieval performance in relation to the approaches of other competitors. Consequently, the observations made in this paper should benefit the development of a Data Discovery Index prototype or the improvement of the existing one. PMID- 29220458 TI - AllerBase: a comprehensive allergen knowledgebase. AB - Database URL: http://bioinfo.net.in/AllerBase/Home.html. PMID- 29220459 TI - IsoPlot: a database for comparison of mRNA isoforms in fruit fly and mosquitoes. AB - Database URL: http://isoplot.iis.sinica.edu.tw/. PMID- 29220460 TI - Echinobase: an expanding resource for echinoderm genomic information. AB - Database URL: http://www.echinobase.org. PMID- 29220461 TI - SFMetaDB: a comprehensive annotation of mouse RNA splicing factor RNA-Seq datasets. AB - Although the number of RNA-Seq datasets deposited publicly has increased over the past few years, incomplete annotation of the associated metadata limits their potential use. Because of the importance of RNA splicing in diseases and biological processes, we constructed a database called SFMetaDB by curating datasets related with RNA splicing factors. Our effort focused on the RNA-Seq datasets in which splicing factors were knocked-down, knocked-out or over expressed, leading to 75 datasets corresponding to 56 splicing factors. These datasets can be used in differential alternative splicing analysis for the identification of the potential targets of these splicing factors and other functional studies. Surprisingly, only ~15% of all the splicing factors have been studied by loss- or gain-of-function experiments using RNA-Seq. In particular, splicing factors with domains from a few dominant Pfam domain families have not been studied. This suggests a significant gap that needs to be addressed to fully elucidate the splicing regulatory landscape. Indeed, there are already mouse models available for ~20 of the unstudied splicing factors, and it can be a fruitful research direction to study these splicing factors in vitro and in vivo using RNA-Seq.Database URL:http://sfmetadb.ece.tamu.edu/ PMID- 29220462 TI - First steps in automatic summarization of transcription factor properties for RegulonDB: classification of sentences about structural domains and regulated processes. AB - Database URL: RegulonDB, http://regulondb.ccg.unam.mx. PMID- 29220463 TI - An online analytical processing multi-dimensional data warehouse for malaria data. AB - Database URL: https://dw.vecnet.org/datawarehouse/. PMID- 29220464 TI - KiPho: malaria parasite kinome and phosphatome portal. AB - The Plasmodium kinases and phosphatases play an essential role in the regulation of substrate reversible-phosphorylation and overall cellular homeostasis. Reversible phosphorylation is one of the key post-translational modifications (PTMs) essential for parasite survival. Thus, a complete and comprehensive information of malarial kinases and phosphatases as a single web resource will not only aid in systematic and better understanding of the PTMs, but also facilitate efforts to look for novel drug targets for malaria. In the current work, we have developed KiPho, a comprehensive and one step web-based information resource for Plasmodium kinases and phosphatases. To develop KiPho, we have made use of search methods to retrieve, consolidate and integrate predicted as well as annotated information from several publically available web repositories. Additionally, we have incorporated relevant and manually curated data, which will be updated from time to time with the availability of new information. The KiPho (Malaria Parasite Kinome-Phosphatome) resource is freely available at http://bioinfo.icgeb.res.in/kipho. PMID- 29220465 TI - In-Cardiome: integrated knowledgebase for coronary artery disease enabling translational research. AB - Database URL: www.tri-incardiome.org. PMID- 29220466 TI - Improving taxonomic accuracy for fungi in public sequence databases: applying 'one name one species' in well-defined genera with Trichoderma/Hypocrea as a test case. AB - Database URL: http://www.ncbi.nlm.nih.gov/bioproject/PRJNA177353. PMID- 29220467 TI - Query expansion using MeSH terms for dataset retrieval: OHSU at the bioCADDIE 2016 dataset retrieval challenge. AB - Database URL: https://biocaddie.org/benchmark-data. PMID- 29220469 TI - Edaphostat: interactive ecological analysis of soil organism occurrences and preferences from the Edaphobase data warehouse. AB - Database URL: Edaphostat is part of the Edaphobase Web Application available at https://portal.edaphobase.org. PMID- 29220468 TI - EUCANEXT: an integrated database for the exploration of genomic and transcriptomic data from Eucalyptus species. AB - Database URL: http://www.lge.ibi.unicamp.br/eucalyptusdb. PMID- 29220470 TI - DLREFD: a database providing associations of long non-coding RNAs, environmental factors and phenotypes. AB - Database URL: http://chengroup.cumt.edu.cn/DLREFD. PMID- 29220471 TI - FishTrace: a genetic catalogue of European fishes. AB - Database URL: https://fishtrace.jrc.ec.europa.eu. PMID- 29220472 TI - Proficiency of data interpretation: identification of signaling SNPs/specific loci for coronary artery disease. AB - Database URLs: http://www.regulomedb.org/;https://www.broadinstitute.org/mpg/snap/. PMID- 29220473 TI - YGMD: a repository for yeast cooperative transcription factor sets and their target gene modules. AB - Database URL: http://cosbi4.ee.ncku.edu.tw/YGMD/ , http://cosbi5.ee.ncku.edu.tw/YGMD/ or http://cosbi.ee.ncku.edu.tw/YGMD/. PMID- 29220474 TI - Database of resistance related metabolites in Wheat Fusarium head blight Disease (MWFD). AB - Database URL: https://bioinfo.nrc.ca/mwfd/index.php. PMID- 29220475 TI - Improving average ranking precision in user searches for biomedical research datasets. AB - Database URL: https://biocaddie.org/benchmark-data. PMID- 29220476 TI - eGenPub, a text mining system for extending computationally mapped bibliography for UniProt Knowledgebase by capturing centrality. AB - UniProt Knowledgebase (UniProtKB) is a publicly available database with access to a vast amount of protein sequence and functional information. To widen the scope of the publications associated with a protein entry, UniProt has introduced the computationally mapped additional bibliography section, which includes literature collected from external sources. In this article, we describe a text mining system, eGenPub, which selects articles that are 'about' specific proteins and allows automatic identification of additional bibliography for given UniProt protein entries. Focusing on plant proteins initially, eGenPub utilizes a gene normalization tool called pGenN, and a trained support vector machine model, which achieves a precision of 95.3%, to predict whether an article, based on its abstract, should be linked to a given UniProt entry. We have conducted a full scale PubMed processing using eGenPub for eight common plant species. Altogether, 9025 articles are identified as relevant bibliography for 4752 UniProt entries, among which 5252 are additional papers not in the existing publication section. These newly computationally mapped additional bibliography via eGenPub is being integrated in the UniProt production pipeline, and can be accessed via the UniProtKB protein entry publication view. PMID- 29220477 TI - Update notifications for the BioCyc collection of databases. AB - Database URL: https://BioCyc.org , https://EcoCyc.org , https://MetaCyc.org. PMID- 29220478 TI - A semantic-based workflow for biomedical literature annotation. AB - Computational annotation of textual information has taken on an important role in knowledge extraction from the biomedical literature, since most of the relevant information from scientific findings is still maintained in text format. In this endeavour, annotation tools can assist in the identification of biomedical concepts and their relationships, providing faster reading and curation processes, with reduced costs. However, the separate usage of distinct annotation systems results in highly heterogeneous data, as it is difficult to efficiently combine and exchange this valuable asset. Moreover, despite the existence of several annotation formats, there is no unified way to integrate miscellaneous annotation outcomes into a reusable, sharable and searchable structure. Taking up this challenge, we present a modular architecture for textual information integration using semantic web features and services. The solution described allows the migration of curation data into a common model, providing a suitable transition process in which multiple annotation data can be integrated and enriched, with the possibility of being shared, compared and reused across semantic knowledge bases. PMID- 29220479 TI - Collaborative relation annotation and quality analysis in Markyt environment. AB - Database URL: http://markyt.org. PMID- 29220480 TI - 'Working away in that Grey Area...' A qualitative exploration of the challenges general practitioners experience when managing behavioural and psychological symptoms of dementia. AB - Background: general practitioners (GPs) have identified the management of behavioural and psychological symptoms of dementia (BPSD) as a particularly challenging aspect of dementia care. However, there is a paucity of research on why GPs find BPSD challenging and how this influences the care they offer to their patients with dementia. Objectives: to establish the challenges GPs experience when managing BPSD; to explore how these challenges influence GPs' management decisions; and to identify strategies for overcoming these challenges. Design: qualitative study of GPs experiences of managing BPSD. Methods: semi structured interviews were conducted with 16 GPs in the Republic of Ireland. GPs were purposively recruited to include participants with differing levels of experience caring for people with BPSD in nursing homes and in community settings to provide maximum diversity of views. Interviews were analysed thematically. Results: three main challenges of managing BPSD were identified; lack of clinical guidance, stretched resources and difficulties managing expectations. The lack of relevant clinical guidance available affected GPs' confidence when managing BPSD. In the absence of appropriate resources GPs felt reliant upon sedative medications. GPs believed their advocacy role was further compromised by the difficulties they experienced managing expectations of family caregivers and nursing home staff. Conclusions: this study helps to explain the apparent discrepancy between best practice recommendations in BPSD and real-life practice. It will be used to inform the design of an intervention to support the management of BPSD in general practice. PMID- 29220482 TI - The climate of neurofeedback: scientific rigour and the perils of ideology. PMID- 29220481 TI - Blended Refuge and Insect Resistance Management for Insecticidal Corn. AB - In this review, we evaluate the intentional mixing or blending of insecticidal seed with refuge seed for managing resistance by insects to insecticidal corn (Zea mays). We first describe the pest biology and farming practices that will contribute to weighing trade-offs between using block refuges and blended refuges. Case studies are presented to demonstrate how the trade-offs will differ in different systems. We compare biological aspects of several abstract models to guide the reader through the history of modeling, which has played a key role in the promotion or denigration of blending in various scientific debates about insect resistance management for insecticidal crops. We conclude that the use of blended refuge should be considered on a case-by-case basis after evaluation of insect biology, environment, and farmer behavior. For Diabrotica virgifera virgifera, Ostrinia nubilalis, and Helicoverpa zea in the United States, blended refuge provides similar, if not longer, delays in the evolution of resistance compared to separate block refuges. PMID- 29220483 TI - Prenatal Exposure to Bisphenol A Disrupts Naturally Occurring Bimodal DNA Methylation at Proximal Promoter of fggy, an Obesity-Relevant Gene Encoding a Carbohydrate Kinase, in Gonadal White Adipose Tissues of CD-1 Mice. AB - Exposure of mammalian fetuses to endocrine disruptors can increase the risk of adult-onset diseases. We previously showed that exposure of mouse fetuses to bisphenol A (BPA) caused adult-onset obesity. To examine roles of epigenetic changes in this delayed toxicity, we determined the effects of fetal mouse exposure to BPA on genome-wide DNA methylation and messenger RNA (mRNA) expression in gonadal white adipose tissues (WATs) by deep sequencing, bisulfite pyrosequencing, and real-time quantitative polymerase chain reaction. Pregnant CD 1 mice (F0) were dosed daily with 0, 5, or 500 MUg/kg/d BPA during gestational days 9 to 18, and the weaned F1 animals were fed ad libitum with standard chow until they were euthanized at 19 weeks old. In the vehicle-exposed F1 animals, fggy promoter showed a clear bimodal pattern of very strong (55% to 95%) or very weak (5% to 30%) DNA methylation occurring at nearly equal incidence with no intermediate strength. Promoter hypermethylation completely suppressed mRNA expression. BPA exposure eliminated this naturally occurring dichotomy, shifting fggy promoter toward the hypomethylation state to release transcriptional suppression. The strength of Fggy mRNA expression significantly correlated with increased whole body weight and gonadal fat weight of males but not females. Bioinformatics studies showed that expression of Fggy mRNA is stronger in mouse WATs than in brown adipose tissues and enhanced in gonadal fat by diet-induced obesity. These observations suggest that prenatal exposure to BPA may disrupt the physiological bimodal nature of epigenetic regulation of fggy in mouse WATs, possibly contributing to the adult-onset obesity phenotype. PMID- 29220484 TI - Human Immunodeficiency Virus Infection And Hypertension. Is There a Connection? AB - Data support that hypertension (HTN) is prevalent among human immunodeficiency virus (HIV) patients contributing to increased risk of cardiovascular disease. Immunodeficiency and prolonged antiretroviral treatment along with common risk factors including older age, male gender, and high body mass index might conduce to greater incidence of HTN. The purpose of this review was to summarize recent evidence of the increased cardiovascular risk in these patents linking HIV infection to HTN. PMID- 29220485 TI - funRiceGenes dataset for comprehensive understanding and application of rice functional genes. AB - Background: As a main staple food, rice is also a model plant for functional genomic studies of monocots. Decoding of every DNA element of the rice genome is essential for genetic improvement to address increasing food demands. The past 15 years have witnessed extraordinary advances in rice functional genomics. Systematic characterization and proper deposition of every rice gene are vital for both functional studies and crop genetic improvement. Findings: We built a comprehensive and accurate dataset of ~2800 functionally characterized rice genes and ~5000 members of different gene families by integrating data from available databases and reviewing every publication on rice functional genomic studies. The dataset accounts for 19.2% of the 39 045 annotated protein-coding rice genes, which provides the most exhaustive archive for investigating the functions of rice genes. We also constructed 214 gene interaction networks based on 1841 connections between 1310 genes. The largest network with 762 genes indicated that pleiotropic genes linked different biological pathways. Increasing degree of conservation of the flowering pathway was observed among more closely related plants, implying substantial value of rice genes for future dissection of flowering regulation in other crops. All data are deposited in the funRiceGenes database (https://funricegenes.github.io/). Functionality for advanced search and continuous updating of the database are provided by a Shiny application (http://funricegenes.ncpgr.cn/). Conclusions: The funRiceGenes dataset would enable further exploring of the crosslink between gene functions and natural variations in rice, which can also facilitate breeding design to improve target agronomic traits of rice. PMID- 29220487 TI - Ancestral Genome Estimation Reveals the History of Ecological Diversification in Agrobacterium. AB - Horizontal gene transfer (HGT) is considered as a major source of innovation in bacteria, and as such is expected to drive adaptation to new ecological niches. However, among the many genes acquired through HGT along the diversification history of genomes, only a fraction may have actively contributed to sustained ecological adaptation. We used a phylogenetic approach accounting for the transfer of genes (or groups of genes) to estimate the history of genomes in Agrobacterium biovar 1, a diverse group of soil and plant-dwelling bacterial species. We identified clade-specific blocks of cotransferred genes encoding coherent biochemical pathways that may have contributed to the evolutionary success of key Agrobacterium clades. This pattern of gene coevolution rejects a neutral model of transfer, in which neighboring genes would be transferred independently of their function and rather suggests purifying selection on collectively coded acquired pathways. The acquisition of these synapomorphic blocks of cofunctioning genes probably drove the ecological diversification of Agrobacterium and defined features of ancestral ecological niches, which consistently hint at a strong selective role of host plant rhizospheres. PMID- 29220488 TI - Disentangling Immediate Adaptive Introgression from Selection on Standing Introgressed Variation in Humans. AB - Recent studies have reported evidence suggesting that portions of contemporary human genomes introgressed from archaic hominin populations went to high frequencies due to positive selection. However, no study to date has specifically addressed the post-introgression population dynamics of these putative cases of adaptive introgression. Here, for the first time, we specifically define cases of immediate adaptive introgression (iAI), in which archaic haplotypes rose to high frequencies in humans as a result of a selective sweep that occurred shortly after the introgression event. We define these cases as distinct from instances of selection on standing introgressed variation (SI), in which an introgressed haplotype initially segregated neutrally and subsequently underwent positive selection. Using a geographically diverse dataset, we report novel cases of selection on introgressed variation in living humans and shortlisted among these cases those whose selective sweeps are more consistent with having been the product of iAI rather than SI. Many of these novel inferred iAI haplotypes have potential biological relevance, including three introgressed haplotypes that contain immune-related genes in West Siberians, South Asians, and West Eurasians. Overall, our results suggest that iAI may not represent the full picture of positive selection on archaically introgressed haplotypes in humans and that more work needs to be done to analyze the role of SI in the archaic introgression landscape of living humans. PMID- 29220486 TI - Transcriptome Signatures of Selection, Drift, Introgression, and Gene Duplication in the Evolution of an Extremophile Endemic Plant. AB - Plants on serpentine soils provide extreme examples of adaptation to environment, and thus offer excellent models for the study of evolution at the molecular and genomic level. Serpentine outcrops are derived from ultramafic rock and have extremely low levels of essential plant nutrients (e.g., N, P, K, and Ca), as well as toxic levels of heavy metals (e.g., Ni, Cr, and Co) and low moisture availability. These outcrops provide habitat to a number of endemic plant species, including the annual mustard Caulanthus amplexicaulis var. barbarae (Cab) (Brassicaceae). Its sister taxon, C. amplexicaulis var. amplexicaulis (Caa), is intolerant to serpentine soils. Here, we assembled and annotated comprehensive reference transcriptomes of both Caa and Cab for use in protein coding sequence comparisons. A set of 29,443 reciprocal best Blast hit (RBH) orthologs between Caa and Cab was compared with identify coding sequence variants, revealing a high genome-wide dN/dS ratio between the two taxa (mean = 0.346). We show that elevated dN/dS likely results from the composite effects of genetic drift, positive selection, and the relaxation of negative selection. Further, analysis of paralogs within each taxon revealed the signature of a period of elevated gene duplication (~10 Ma) that is shared with other species of the tribe Thelypodieae, and may have played a role in the striking morphological and ecological diversity of this tribe. In addition, distribution of the synonymous substitution rate, dS, is strongly bimodal, indicating a history of reticulate evolution that may have contributed to serpentine adaptation. PMID- 29220489 TI - Diversity of translation initiation mechanisms across bacterial species is driven by environmental conditions and growth demands. AB - The Shine-Dalgarno (SD) sequence motif is frequently found upstream of protein coding genes and is thought to be the dominant mechanism of translation initiation used by bacteria. Experimental studies have shown that the SD sequence facilitates start codon recognition and enhances translation initiation by directly interacting with the highly conserved anti-Shine-Dalgarno sequence on the 30S ribosomal subunit. However, the proportion of SD-led genes within a genome varies across species and the factors governing this variation in translation initiation mechanisms remain largely unknown. Here, we conduct a phylogenetically-informed analysis and find that species capable of rapid growth contain a higher proportion of SD-led genes throughout their genomes. We show that SD sequence utilization co-varies with a suite of genomic features that are important for efficient translation initiation and elongation. In addition to these endogenous genomic factors, we further show that exogenous environmental factors may influence the evolution of translation initiation mechanisms by finding that thermophilic species contain significantly more SD-led genes than mesophiles. Our results demonstrate that variation in translation initiation mechanisms across bacterial species is predictable and is a consequence of di?erential life-history strategies related to maximum growth rate and environmental-specific constraints. PMID- 29220490 TI - Bayesian Inference of Species Networks from Multilocus Sequence Data. AB - Reticulate species evolution, such as hybridization or introgression, is relatively common in nature. In the presence of reticulation, species relationships can be captured by a rooted phylogenetic network, and orthologous gene evolution can be modeled as bifurcating gene trees embedded in the species network. We present a Bayesian approach to jointly infer species networks and gene trees from multilocus sequence data. A novel birth-hybridization process is used as the prior for the species network, and we assume a multispecies network coalescent prior for the embedded gene trees. We verify the ability of our method to correctly sample from the posterior distribution, and thus to infer a species network, through simulations. To quantify the power of our method, we reanalyze two large data sets of genes from spruces and yeasts. For the three closely related spruces, we verify the previously suggested homoploid hybridization event in this clade; for the yeast data, we find extensive hybridization events. Our method is available within the BEAST 2 add-on SpeciesNetwork, and thus provides an extensible framework for Bayesian inference of reticulate evolution. PMID- 29220491 TI - CNVcaller: highly efficient and widely applicable software for detecting copy number variations in large populations. AB - Background: The increasing amount of sequencing data available for a wide variety of species can be theoretically used for detecting copy number variations (CNVs) at the population level. However, the growing sample sizes and the divergent complexity of nonhuman genomes challenge the efficiency and robustness of current human-oriented CNV detection methods. Results: Here, we present CNVcaller, a read depth method for discovering CNVs in population sequencing data. The computational speed of CNVcaller was 1-2 orders of magnitude faster than CNVnator and Genome STRiP for complex genomes with thousands of unmapped scaffolds. CNV detection of 232 goats required only 1.4 days on a single compute node. Additionally, the Mendelian consistency of sheep trios indicated that CNVcaller mitigated the influence of high proportions of gaps and misassembled duplications in the nonhuman reference genome assembly. Furthermore, multiple evaluations using real sheep and human data indicated that CNVcaller achieved the best accuracy and sensitivity for detecting duplications. Conclusions: The fast generalized detection algorithms included in CNVcaller overcome prior computational barriers for detecting CNVs in large-scale sequencing data with complex genomic structures. Therefore, CNVcaller promotes population genetic analyses of functional CNVs in more species. PMID- 29220493 TI - Serum Uric Acid Laboratory Test Request Patterns in Primary Care: How Panels May Contribute to Overutilization and Treatment of Asymptomatic Patients. AB - Background: To study the variability in the request of serum uric acid (SUA) in primary care. Method: A cross-sectional study was designed and conducted at a main core laboratory. Spanish laboratories were invited to report their number of serum glucose (SG) and SUA tests requested from primary care during 2014. A survey was sent to every participant in November 2016 regarding the inclusion of SUA in order profiles/panels. The ratio of SUA/SG requests (SUA/SG) was calculated and compared between regions, and laboratories depending on whether SUA was included or not in a health check profile. Results: 110 laboratories participated in the study (59.8% Spanish population). The median SUA/SG ratio was 0.82 (IQR: 0.25), and 41 laboratories had a ratio over 0.9. There was a significant regional variability (P = .008). Laboratories where SUA was not included in the "health check profile" had lower SUA/SG indicators (P = .003). Conclusion: There was significant regional variability in the request of SUA, and an overall over-request. Different regional customs or habits and the inclusion of SUA in the health check profile were probable causes behind the observed over request. PMID- 29220492 TI - HBV-Derived Synthetic Long Peptide Can Boost CD4+ and CD8+ T-Cell Responses in Chronic HBV Patients Ex Vivo. AB - Background: Vaccination with synthetic long peptides (SLP) is a promising new treatment strategy for chronic hepatitis B virus (CHB). SLP can induce broad T cell responses for all HLA types. Here we investigated the ability of a prototype HBV-core (HBc)-sequence-derived SLP to boost HBV-specific T cells in CHB patients ex vivo. Methods: HBc-SLP was used to assess cross-presentation by monocyte derived dendritic cells (moDC) and BDCA1+ blood myeloid DC (mDC) to engineered HBV-specific CD8+ T cells. Autologous SLP-loaded and toll-like receptor (TLR) stimulated DC were used to activate patient HBc-specific CD8+ and CD4+ T cells. Results: HBV-SLP was cross-presented by moDC, which was further enhanced by adjuvants. Patient-derived SLP-loaded moDC significantly increased autologous HBcAg18-27-specific CD8+ T cells and CD4+ T cells ex vivo. HBV-specific T cells were functional as they synthesized tumor necrosis factor-alpha and interferon gamma. In 6/7 of patients blockade of PD-L1 further increased SLP effects. Also, importantly, patient-derived BDCA1+ mDC cross-presented and activated autologous T-cell responses ex vivo. Conclusions: As a proof of concept, we showed a prototype HBc-SLP can boost T-cell responses in patients ex vivo. These results pave the way for the development of a therapeutic SLP-based vaccine to induce effective HBV-specific adaptive immune responses in CHB patients. PMID- 29220495 TI - Converting a Liability to an Asset: Using the Clearance of a Malaria Parasite Protein From the Blood of Infected Subjects to Predict the Outcome of Treatment. PMID- 29220494 TI - SOAPnuke: a MapReduce acceleration-supported software for integrated quality control and preprocessing of high-throughput sequencing data. AB - Quality control (QC) and preprocessing are essential steps for sequencing data analysis to ensure the accuracy of results. However, existing tools cannot provide a satisfying solution with integrated comprehensive functions, proper architectures, and highly scalable acceleration. In this article, we demonstrate SOAPnuke as a tool with abundant functions for a "QC-Preprocess-QC" workflow and MapReduce acceleration framework. Four modules with different preprocessing functions are designed for processing datasets from genomic, small RNA, Digital Gene Expression, and metagenomic experiments, respectively. As a workflow-like tool, SOAPnuke centralizes processing functions into 1 executable and predefines their order to avoid the necessity of reformatting different files when switching tools. Furthermore, the MapReduce framework enables large scalability to distribute all the processing works to an entire compute cluster.We conducted a benchmarking where SOAPnuke and other tools are used to preprocess a ~30* NA12878 dataset published by GIAB. The standalone operation of SOAPnuke struck a balance between resource occupancy and performance. When accelerated on 16 working nodes with MapReduce, SOAPnuke achieved ~5.7 times the fastest speed of other tools. PMID- 29220496 TI - Duration of Influenza Vaccine Effectiveness: A Systematic Review, Meta-analysis, and Meta-regression of Test-Negative Design Case-Control Studies. AB - Background: Whether influenza vaccination offers protection for the duration of an influenza season was called into question recently after analysis of data from test-negative design (TND) case-control studies. Method: The published literature was systematically reviewed to identify TND studies that estimated the change in vaccine effectiveness (VE) with respect to time since vaccination. Results: Fourteen studies were identified through the literature search as meeting eligibility criteria. Meta-analyses were performed to compare VE 15-90 days after vaccination to VE 91-180 days after vaccination. A significant decline in VE was observed for influenza virus subtype A/H3 (change in VE, -33; 95% confidence interval [CI], -57 to -12) and type B (change in VE, -19; 95% CI, -33 to -6). VE declined for influenza virus subtype A/H1, but this difference was not statistically significant (change in VE -8; 95% CI, -27 to 21). A multivariable mixed-effects meta-regression model indicated that the change VE was associated with the proportion of study participants who were cases and the proportion who were vaccinated controls (P < .05). This could reflect biological effects such as (1) mismatch between the vaccine received and the circulating strains (among cases), (2) herd immunity (among controls), or (3) the reduced power of individual TND studies in the later parts of an influenza outbreak. Conclusions: Exploration of new influenza vaccination strategies must be a priority for influenza control, particularly in tropical countries with year-round influenza virus activity. PMID- 29220498 TI - NKG2C Deletion Is a Risk Factor for Human Cytomegalovirus Viremia and Disease After Lung Transplantation. AB - Human cytomegalovirus (HCMV) replication is limited by HCMV-specific natural killer (NK) cell response. Distinct genetic polymorphisms, which are potentially involved in antiviral NK cell response, have been described. Here, the association between polymorphisms at IgG1 genetic marker 3/17, FcgammaRIIIalpha/CD16a 158V/F, NKG2Cwt/del, CD226/rs727088, and rs763361, respectively, and HCMV viremia and disease were investigated in 98 lung transplant recipients (LTRs), within 9 months after stop of posttransplant HCMV prophylaxis. From all variants, only the NKG2Cwt/wt genotype was significantly associated with freedom from HCMV viremia (P = .0002) and disease (P = .02), compared with the NKG2Cwt/del genotype. Thus, LTRs expressing the homozygous NKG2C wild type seem to have a selective advantage in HCMV defense. PMID- 29220497 TI - Posttreatment HRP2 Clearance in Patients with Uncomplicated Plasmodium falciparum Malaria. AB - Background: The response to antimalarial treatment is assessed using serial microscopy. New techniques for accurate measurement of the Plasmodium falciparum histidine-rich protein 2 (HRP2) antigen have allowed for monitoring of the antigen concentration over time, offering a potential alternative for assessing treatment response. Methods: Posttreatment HRP2 concentrations were measured in samples obtained longitudinally from 537 individuals with P. falciparum malaria who were participating in efficacy trials in Angola, Tanzania, and Senegal. The HRP2 half-life was estimated using a first-order kinetics clearance model. The association between the HRP2 concentration 3 days after treatment and recrudescence of infection was assessed. Results: Despite substantial variation in HRP2 concentrations among participants at baseline, concentrations consistently showed a first-order exponential decline. The median half-life of HRP2 was estimated to be 4.5 days (interquartile range [IQR], 3.3-6.6 days) in Angola, 4.7 days (IQR, 4.0-5.9 days) in Tanzania, and 3.0 days (IQR, 2.1-4.5 days) in Senegal. The day 3 HRP2 concentration was predictive of eventual recrudescence, with an area under the receiver operating characteristic curve of 0.86 (95% confidence interval, .73-.99). Conclusions: Consistent HRP2 clearance dynamics following successful antimalarial treatment imply a common underlying mechanism of biological clearance. Patients who ultimately did not respond to treatment did not exhibit this same pattern of clearance, even in the absence of other indications of inadequate response to treatment. PMID- 29220499 TI - Cohort Profile: Rationale and design of the fourth visit of the STANISLAS cohort: a familial longitudinal population-based cohort from the Nancy region of France. PMID- 29220500 TI - Toxicities of Selected Essential Oils, Silicone Oils, and Paraffin Oil against the Common Bed Bug (Hemiptera: Cimicidae). AB - The common bed bug [Cimex lectularius L. (Hemiptera: Cimicidae)] and tropical bed bug [Cimex hemipterus F. (Hemiptera: Cimicidae)] resurged in the United States and many other countries over the past decades. The need for safe and effective bed bug control products propelled the development of numerous 'green insecticides', mostly with essential oils listed as active ingredients. Various inorganic and organic oils also were used for bed bug management. However, there are no published studies on their toxicities against bed bugs. In this study, we screened 18 essential oils, three silicone oils, and paraffin oil (C5-20 paraffins) for their toxicities against bed bugs. All the oils exhibited insecticidal activity in topical assays. Their toxicities varied significantly; all of the evaluated essential oils were less effective than silicone oils and paraffin oil. The LD50 values of the most effective essential oil (blood orange), paraffin oil, and the most effective silicone oil (dodecamethylpentasiloxane) are 0.184 +/- 0.018, 0.069 +/- 0.012, and 0.036 +/- 0.005 mg per bug, respectively. Direct spray of 1% water solution of 3-[hydroxy (polyethyleneoxy) propyl] heptamethyltrisiloxane, the only silicone oil that mixes well with water, resulted in 92% bed bug mortality after 1 d. Results of this study indicate silicone oils and paraffin oil have the potential to be used as safer alternative bed bug control materials. PMID- 29220501 TI - Combination of 247 Genome-Wide Association Studies Reveals High Cancer Risk as a Result of Evolutionary Adaptation. AB - Analysis of GLOBOCAN-2012 data shows clearly here that cancer incidence worldwide is highly related with low average annual temperatures and extreme low temperatures. This applies for all cancers together or separately for many frequent or rare cancer types (all cancers P = 9.49*10-18). Supporting fact is that Inuit people, living at extreme low temperatures, have the highest cancer rates today. Hypothesizing an evolutionary explanation, 240 cancer genome-wide association studies, and seven genome-wide association studies for cold and high altitude adaptation were combined. A list of 1,377 cancer-associated genes was created to initially investigate whether cold selected genes are enriched with cancer-associated genes. Among Native Americans, Inuit and Eskimos, the highest association was observed for Native Americans (P = 6.7*10-5). An overall or a meta-analysis approach confirmed further this result. Similar approach for three populations living at extreme high altitude, revealed high association for Andeans-Tibetans (P = 1.3*10-11). Overall analysis or a meta-analysis was also significant. A separate analysis showed special selection for tumor suppressor genes. These results can be viewed along with those of previous functional studies that showed that reduced apoptosis potential due to specific p53 variants (the most important tumor suppressor gene) is beneficial in high-altitude and cold environments. In conclusion, this study shows that genetic variants selected for adaptation at extreme environmental conditions can increase cancer risk later on age. This is in accordance with antagonistic pleiotropy hypothesis. PMID- 29220502 TI - Identification of Soybean Host Plant Resistance to Brown Marmorated Stink Bugs in Maturity Group III Plant Introductions. AB - Halyomorpha halys (Stal; Hemiptera: Pentatomidae), brown marmorated stink bug (BMSB), is a polyphagous nonnative insect first found in the United States in 1996. As of 2017, BMSB has been detected in 43 states and is a severe agricultural pest in mid-Atlantic states. On soybean, Glycine max (L.) Merr (Fabales: Fabaceae), damage from BMSB infestation ranges from puncture marks with seed discoloration and deformities to seed and pod abortion. Host plant resistance has been used for managing pest populations and mitigating soybean yield losses caused by neotropical stink bugs (Eushistus heros, Nezara viridula, and Piezodorus guildinii) in Brazil and on the U.S. Gulf Coast. We evaluated maturity group III plant introductions (PIs) for resistance to BMSB damage. In 2014, field cage choice tests of 106 PIs revealed a range of both BMSB damage incidence and severity. In field choice tests, PIs 085665 and 097139 showed the lowest incidence of BMSB damage and seed weight loss due to BMSB, while PIs 243532, 243540, and 567252 had the highest. In whole plant no-choice tests, PIs 085665 and 097139 also had high levels of resistance. However, PI 085665 had a higher incidence of damage but lower seed weight loss than PI 097139, which may suggest bimodal resistance. Moreover, PIs 085665 and 097139 are from Japan and North Korea, respectively, two geographically isolated countries where BMSB is native. Thus, further characterization of host plant resistance to BMSB in each of these lines may elucidate distinct mechanisms that could be synergistic if stacked in breeding lines. PMID- 29220504 TI - Influence of thermodynamically unfavorable secondary structures on DNA hybridization kinetics. AB - Nucleic acid secondary structure plays an important role in nucleic acid-nucleic acid recognition/hybridization processes, and is also a vital consideration in DNA nanotechnology. Although the influence of stable secondary structures on hybridization kinetics has been characterized, unstable secondary structures, which show positive DeltaG degrees with self-folding, can also form, and their effects have not been systematically investigated. Such thermodynamically unfavorable secondary structures should not be ignored in DNA hybridization kinetics, especially under isothermal conditions. Here, we report that positive DeltaG degrees secondary structures can change the hybridization rate by two orders of magnitude, despite the fact that their hybridization obeyed second order reaction kinetics. The temperature dependence of hybridization rates showed non-Arrhenius behavior; thus, their hybridization is considered to be nucleation limited. We derived a model describing how DeltaG degrees positive secondary structures affect hybridization kinetics in stopped-flow experiments with 47 pairs of oligonucleotides. The calculated hybridization rates, which were based on the model, quantitatively agreed with the experimental rate constant. PMID- 29220503 TI - Downregulation of Survivin contributes to cell-cycle arrest during postnatal cardiac development in a severe spinal muscular atrophy mouse model. AB - Spinal muscular atrophy (SMA) is the leading genetic cause of infant mortality, characterized by progressive degeneration of spinal-cord motor neurons, leading to atrophy of skeletal muscles. However, accumulating evidence indicates that it is a multi-system disorder, particularly in its severe forms. Several studies delineated structural and functional cardiac abnormalities in SMA patients and mouse models, yet the abnormalities have been primarily attributed to autonomic dysfunction. Here, we show in a severe mouse model that its cardiomyocytes undergo G0/G1 cell-cycle arrest and enhanced apoptosis during postnatal development. Microarray and real-time RT-PCR analyses revealed that a set of genes associated with cell cycle and apoptosis were dysregulated in newborn pups. Of particular interest, the Birc5 gene, which encodes Survivin, an essential protein for heart development, was down-regulated even on pre-symptomatic postnatal day 0. Interestingly, cultured cardiomyocytes depleted of SMN recapitulated the gene expression changes including downregulation of Survivin and abnormal cell-cycle progression; and overexpression of Survivin rescued the cell-cycle defect. Finally, increasing SMN in SMA mice with a therapeutic antisense oligonucleotide improved heart pathology and recovered expression of deregulated genes. Collectively, our data demonstrate that the cardiac malfunction of the severe SMA mouse model is mainly a cell-autonomous defect, caused by widespread gene deregulation in heart tissue, particularly of Birc5, resulting in developmental abnormalities through cell-cycle arrest and apoptosis. PMID- 29220505 TI - Metabolic Characteristics of Recently Diagnosed Adult-Onset Autoimmune Diabetes Mellitus. AB - Context and Objective: Among patients diagnosed with type 2 diabetes, autoimmune diabetes often remains undetected. Metabolic features of these patients are insufficiently characterized at present. Design, Setting, and Patients: This study compared age- and sex-matched adult (aged 41 to 62 years) humans with recent-onset diabetes: patients positive for antibodies against glutamic acid decarboxylase (GAD) and/or cytoplasmic islet-cell antigen with an insulin-free period of >6 months [antibody positive/insulin negative (ab+/ins-); previously termed latent autoimmune diabetes of adults], type 1 diabetes [antibody positive/insulin positive (ab+/ins+)], and type 2 diabetes [antibody negative/insulin negative (ab-/ins-)], as well as glucose-tolerant humans (controls) of the German Diabetes Study (n = 41/group). beta-Cell function was assessed from glucagon tests and intravenous glucose tolerance tests (IVGTTs), and insulin sensitivity was determined from hyperinsulinemic-euglycemic clamps. Results: Of the ab+/ins- patients, 33 (81%) were initially diagnosed as having type 2 diabetes. In ab+/ins-, body mass index (BMI) was higher than in ab+/ins+ (27.8 +/- 5.3 kg/m2 vs 25.0 +/- 3.5 kg/m2, P < 0.05), lower than in ab-/ins- (31.9 +/- 5.8 kg/m2, P < 0.05), and similar to controls (29.4 +/- 6.6 kg/m2). In ab+/ins-, GAD antibody titers correlated negatively with BMI (r = -0.40, P < 0.05) and with C-peptide secretion in glucagon stimulation tests (r = -0.33, P < 0.05). beta-Cell function from IVGTT was 228% higher in ab+/ins- than in ab+/ins+ but 35% lower than in ab-/ins- and 61% lower than in controls (all P < 0.05). Insulin sensitivity in ab+/ins- was comparable to ab+/ins+ and controls but 41% higher than in ab-/ins- (P < 0.05) after adjustment for BMI and fasting blood glucose or hemoglobin A1c. Conclusion: Even shortly after diagnosis, ab+/ins- patients feature partly preserved beta-cell function and chronic hyperglycemia, which possibly contributes to the observed impairment of whole-body insulin sensitivity. PMID- 29220507 TI - Assessing the heterogeneity of in silico plasmid predictions based on whole genome-sequenced clinical isolates. AB - High-throughput next-generation shotgun sequencing of pathogenic bacteria is growing in clinical relevance, especially for chromosomal DNA-based taxonomic identification and for antibiotic resistance prediction. Genetic exchange is facilitated for extrachromosomal DNA, e.g. plasmid-borne antibiotic resistance genes. Consequently, accurate identification of plasmids from whole-genome sequencing (WGS) data remains one of the major challenges for sequencing-based precision medicine in infectious diseases. Here, we assess the heterogeneity of four state-of-the-art tools (cBar, PlasmidFinder, plasmidSPAdes and Recycler) for the in silico prediction of plasmid-derived sequences from WGS data. Heterogeneity, sensitivity and precision were evaluated by reference-independent and reference-dependent benchmarking using 846 Gram-negative clinical isolates. Interestingly, the majority of predicted sequences were tool-specific, resulting in a pronounced heterogeneity across tools for the reference-independent assessment. In the reference-dependent assessment, sensitivity and precision values were found to substantially vary between tools and across taxa, with cBar exhibiting the highest median sensitivity (87.45%) but a low median precision (27.05%). Furthermore, integrating the individual tools into an ensemble approach showed increased sensitivity (95.55%) while reducing the precision (25.62%). CBar and plasmidSPAdes exhibited the strongest concordance with respect to identified antibiotic resistance factors. Moreover, false-positive plasmid predictions typically contained only few antibiotic resistance factors. In conclusion, while high degrees of heterogeneity and variation in sensitivity and precision were observed across the different tools and taxa, existing tools are valuable for investigating the plasmid-borne resistome. Nevertheless, additional studies on representative clinical data sets will be necessary to translate in silico plasmid prediction approaches from research to clinical application. PMID- 29220508 TI - Model-based design of bistable cell factories for metabolic engineering. AB - Motivation: Metabolism can exhibit dynamic phenomena like bistability due to the presence of regulatory motifs like the positive feedback loop. As cell factories, microorganisms with bistable metabolism can have a high and a low product flux at the two stable steady states, respectively. The exclusion of metabolic regulation and network dynamics limits the ability of pseudo-steady state stoichiometric models to detect the presence of bistability, and reliably assess the outcomes of design perturbations to metabolic networks. Results: Using kinetic models of metabolism, we assess the change in the bistable characteristics of the network, and suggest designs based on perturbations to the positive feedback loop to enable the network to produce at its theoretical maximum rate. We show that the most optimal production design in parameter space, for a small bistable metabolic network, may exist at the boundary of the bistable region separating it from the monostable region of low product fluxes. The results of our analysis can be broadly applied to other bistable metabolic networks with similar positive feedback network topologies. This can complement existing model-based design strategies by providing a smaller number of feasible designs that need to be tested in vivo. Availability and implementation: http://lmse.biozone.utoronto.ca/downloads/. Contact: krishna.mahadevan@utoronto.ca. Supplementary information: Supplementary data are available at Bioinformatics online. PMID- 29220506 TI - A Molecular Portrait of De Novo Genes in Yeasts. AB - New genes, with novel protein functions, can evolve "from scratch" out of intergenic sequences. These de novo genes can integrate the cell's genetic network and drive important phenotypic innovations. Therefore, identifying de novo genes and understanding how the transition from noncoding to coding occurs are key problems in evolutionary biology. However, identifying de novo genes is a difficult task, hampered by the presence of remote homologs, fast evolving sequences and erroneously annotated protein coding genes. To overcome these limitations, we developed a procedure that handles the usual pitfalls in de novo gene identification and predicted the emergence of 703 de novo gene candidates in 15 yeast species from 2 genera whose phylogeny spans at least 100 million years of evolution. We validated 85 candidates by proteomic data, providing new translation evidence for 25 of them through mass spectrometry experiments. We also unambiguously identified the mutations that enabled the transition from noncoding to coding for 30 Saccharomyces de novo genes. We established that de novo gene origination is a widespread phenomenon in yeasts, only a few being ultimately maintained by selection. We also found that de novo genes preferentially emerge next to divergent promoters in GC-rich intergenic regions where the probability of finding a fortuitous and transcribed ORF is the highest. Finally, we found a more than 3-fold enrichment of de novo genes at recombination hot spots, which are GC-rich and nucleosome-free regions, suggesting that meiotic recombination contributes to de novo gene emergence in yeasts. PMID- 29220509 TI - Community effort endorsing multiscale modelling, multiscale data science and multiscale computing for systems medicine. AB - Systems medicine holds many promises, but has so far provided only a limited number of proofs of principle. To address this road block, possible barriers and challenges of translating systems medicine into clinical practice need to be identified and addressed. The members of the European Cooperation in Science and Technology (COST) Action CA15120 Open Multiscale Systems Medicine (OpenMultiMed) wish to engage the scientific community of systems medicine and multiscale modelling, data science and computing, to provide their feedback in a structured manner. This will result in follow-up white papers and open access resources to accelerate the clinical translation of systems medicine. PMID- 29220510 TI - Ciliopathy-associated mutations of IFT122 impair ciliary protein trafficking but not ciliogenesis. AB - The intraflagellar transport (IFT) machinery containing the IFT-A and IFT-B complexes mediates ciliary protein trafficking. Mutations in the genes encoding the six subunits of the IFT-A complex (IFT43, IFT121, IFT122, IFT139, IFT140, and IFT144) are known to cause skeletal ciliopathies, including cranioectodermal dysplasia (CED). As the IFT122 subunit connects the core and peripheral subcomplexes of the IFT-A complex, it is expected to play a pivotal role in the complex. Indeed, we here showed that knockout (KO) of the IFT122 gene in hTERT RPE1 cells using the CRISPR/Cas9 system led to a severe ciliogenesis defect, whereas KO of other IFT-A genes had minor effects on ciliogenesis but impaired ciliary protein trafficking. Exogenous expression of not only wild-type IFT122 but also its CED-associated missense mutants, which fail to interact with other IFT-A subunits, rescued the ciliogenesis defect of IFT122-KO cells. However, IFT122-KO cells expressing CED-type IFT122 mutants showed defects in ciliary protein trafficking, such as ciliary entry of Smoothened in response to Hedgehog signaling activation. The trafficking defects partially resembled those observed in IFT144-KO cells, which demonstrate failed assembly of the functional IFT-A complex at the base of cilia. These observations make it likely that, although IFT122 is essential for ciliogenesis, CED-type missense mutations underlie a skeletal ciliopathy phenotype by perturbing ciliary protein trafficking with minor effects on ciliogenesis per se. PMID- 29220511 TI - Unbiased estimate of synonymous and non-synonymous substitution rates with non stationary base composition. AB - The measurement of synonymous and non-synonymous substitution rates (dS and dN) is useful for assessing selection operating on protein sequences or for investigating mutational processes affecting genomes. In particular, the ratio dNdS is expected to be a good proxy for omega, the ratio of fixation robabilities of non-synonymous mutations relative to that of neutral mutations. Standard methods for estimating dN, dS or omega rely on the assumption that the base composition of sequences is at the equilibrium of the evolutionary process. In many clades, this assumption of stationarity is in fact incorrect, and we show here through simulations and analyses of empirical data that non-stationarity biases the estimate of dN, dS and omega. We show that the bias in the estimate of omega can be fixed by explicitly taking into onsideration non-stationarity in the modeling of codon evolution, in a maximum likelihood framework. Moreover, we propose an exact method for estimating dN and dS on branches, based on stochastic mapping, that can take into account non-stationarity. This method can be directly applied to any kind of codon evolution model, as long as neutrality is clearly parameterized. PMID- 29220512 TI - A survey and evaluations of histogram-based statistics in alignment-free sequence comparison. AB - Motivation: Since the dawn of the bioinformatics field, sequence alignment scores have been the main method for comparing sequences. However, alignment algorithms are quadratic, requiring long execution time. As alternatives, scientists have developed tens of alignment-free statistics for measuring the similarity between two sequences. Results: We surveyed tens of alignment-free k-mer statistics. Additionally, we evaluated 33 statistics and multiplicative combinations between the statistics and/or their squares. These statistics are calculated on two k-mer histograms representing two sequences. Our evaluations using global alignment scores revealed that the majority of the statistics are sensitive and capable of finding similar sequences to a query sequence. Therefore, any of these statistics can filter out dissimilar sequences quickly. Further, we observed that multiplicative combinations of the statistics are highly correlated with the identity score. Furthermore, combinations involving sequence length difference or Earth Mover's distance, which takes the length difference into account, are always among the highest correlated paired statistics with identity scores. Similarly, paired statistics including length difference or Earth Mover's distance are among the best performers in finding the K-closest sequences. Interestingly, similar performance can be obtained using histograms of shorter words, resulting in reducing the memory requirement and increasing the speed remarkably. Moreover, we found that simple single statistics are sufficient for processing next-generation sequencing reads and for applications relying on local alignment. Finally, we measured the time requirement of each statistic. The survey and the evaluations will help scientists with identifying efficient alternatives to the costly alignment algorithm, saving thousands of computational hours. Availability: The source code of the benchmarking tool is available as Supplementary Materials. PMID- 29220513 TI - Integrating 5hmC and gene expression data to infer regulatory mechanisms. AB - Motivation: Epigenetic mechanisms are known to play a major role in breast cancer. However, the role of 5-hydroxymethylcytosine (5hmC) remains understudied. We hypothesize that 5hmC mediates redox regulation of gene expression in an aggressive subtype known as triple negative breast cancer (TNBC). To address this, our objective was to highlight genes that may be the target of this process by identifying redox-regulated, antioxidant-sensitive, gene-localized 5hmC changes associated with mRNA changes in TNBC cells. Results: We proceeded to develop an approach to integrate novel Pvu-sequencing and RNA-sequencing data. The result of our approach to merge genome-wide, high-throughput TNBC cell line datasets to identify significant, concordant 5hmC and mRNA changes in response to antioxidant treatment produced a gene set with relevance to cancer stem cell function. Moreover, we have established a method that will be useful for continued research of 5hmC in TNBC cells and tissue samples. Availability and implementation: Data are available at Gene Expression Omnibus (GEO) under accession number GSE103850. Contact: bollig@karmanos.org. PMID- 29220514 TI - The influence of social norms on flu vaccination among African American and White adults. AB - Adult influenza vaccination rates remain suboptimal, particularly among African Americans. Social norms may influence vaccination behavior, but little research has focused on influenza vaccine and almost no research has focused on racially specific norms. This mixed methods investigation utilizes qualitative interviews and focus groups (n = 118) and national survey results (n = 1643) to assess both descriptive and subjective norms surrounding influenza vaccination. Qualitative results suggest a perceived descriptive norm that 'about half' of the population gets vaccinated. Participants describe differing norms by race and vaccine behavior. Quantitative results confirm a perceived descriptive norm that 40-60% of the population gets vaccinated. Both African Americans and Whites accurately identified race-specific vaccination rates relative to the general population. Individuals who report that a majority of people around them want them to be vaccinated were significantly more likely to be vaccinated, suggesting subjective norms are influential for both White and African American adults. While perceived descriptive norms are somewhat accurate (mirroring the actual influenza vaccination rate), emphasizing a suboptimal vaccination rate may not be beneficial. Health promotion efforts, particularly those targeting African Americans, may benefit from focusing on subjective norms and encouraging friends and family members to talk about the benefits of influenza vaccination. PMID- 29220515 TI - BUSCO applications from quality assessments to gene prediction and phylogenomics. AB - Genomics promises comprehensive surveying of genomes and metagenomes, but rapidly changing technologies and expanding data volumes make evaluation of completeness a challenging task. Technical sequencing quality metrics can be complemented by quantifying completeness of genomic datasets in terms of the expected gene content of Benchmarking Universal Single-Copy Orthologs (BUSCO, http://busco.ezlab.org). The latest software release implements a complete refactoring of the code to make it more flexible and extendable to facilitate high-throughput assessments. The original six lineage assessment datasets have been updated with improved species sampling, 34 new subsets have been built for vertebrates, arthropods, fungi, and prokaryotes that greatly enhance resolution, and datasets are now also available for nematodes, protists, and plants. Here we present BUSCO v3 with example analyses that highlight the wide-ranging utility of BUSCO assessments, which extend beyond quality control of genomics datasets to applications in comparative genomics analyses, gene predictor training, metagenomics, and phylogenomics. PMID- 29220517 TI - Determining the Effectiveness of Three-Gene Pyramids Against Aphis glycines (Hemiptera: Aphididae) Biotypes. AB - Since the discovery of Aphis glycines Matsumura (Hemiptera: Aphididae) in the United States, the primary management tactic has been foliar insecticides. Alternative management options such as host plant resistance to A. glycines have been developed and their effectiveness proved. However, the use of host plant resistance was complicated by the discovery of multiple, virulent biotypes of A. glycines in the United States that are capable of overcoming single Rag genes, Rag1 and Rag2, as well as a two-gene pyramid of Rag1+Rag2. However, current models predict that the virulent allele frequency of A. glycines decreases in response to the use of pyramided Rag genes, suggesting that pyramids represent a more sustainable use of these traits. Previous research has demonstrated that virulent biotypes can be effectively managed using a three-gene pyramid of Rag1+Rag2+Rag3. Additional Rag-genes have been discovered (Rag4 and Rag5), but whether the incorporation of these genes into novel three-gene pyramids will improve efficacy is not known. We tested single-gene (Rag1 and Rag2) and pyramid cultivars (Rag1+Rag2, Rag1+Rag2+Rag3, Rag1+Rag2+Rag4) to multiple biotypes in laboratory assays. Our results confirm that the Rag1+Rag2+Rag3 pyramid effectively manages all known A. glycines biotypes when compared with cultivars that are overcome by the associated biotype. Our results indicate that Rag1+Rag2+Rag4 would be an effective management option for biotype-1, biotype-2, and biotype-3 A. glycines, but had a negligible impact on biotype-4. PMID- 29220516 TI - Lethal and Sub-lethal Effects of Four Insecticides on the Aphidophagous Coccinellid Adalia bipunctata (Coleoptera: Coccinellidae). AB - Conventional insecticide assays, which measure the effects of insecticide exposure on short-term mortality, overlook important traits, including persistence of toxicity or sub-lethal effects. Therefore, such approaches are especially inadequate for prediction of the overall impact of insecticides on beneficial arthropods. In this study, the side effects of four modern insecticides (chlorantraniliprole, emamectin benzoate, spinosad, and spirotetramat) on Adalia bipunctata (L.) (Coleoptera: Coccinellidae) were evaluated under laboratory conditions by exposition on treated potted plants. In addition to investigation of acute toxicity and persistence of harmful activity in both larvae and adults of A. bipunctata, demographic parameters were evaluated, to provide a comprehensive picture of the nontarget effects of these products. Field doses of the four insecticides caused detrimental effects to A. bipunctata; but in different ways. Overall, spinosad showed the best toxicological profile among the products tested. Emamectin benzoate could be considered a low-risk insecticide, but had high persistence. Chlorantraniliprole exhibited lethal effects on early instar larvae and adults, along with a long lasting activity, instead spirotetramat showed a low impact on larval and adult mortality and can be considered a short-lived insecticide. However, demographic analysis demonstrated that chlorantraniliprole and spirotetramat caused sub lethal effects. Our findings highlight that sole assessment of mortality can lead to underestimation of the full impact of pesticides on nontarget insects. Demographic analysis was demonstrated to be a sensitive method for detection of the sub-lethal effects of insecticides on A. bipunctata, and this approach should be considered for evaluation of insecticide selectivity. PMID- 29220518 TI - Temperature-Dependent Development of Oligota flavicornis (Coleoptera: Staphylinidae) Preying on Tetranychus cinnabarinus (Acarina: Tetranychidae). AB - The effect of nine constant temperatures on developmental time of Oligota flavicornis (Boisduval and Lacordaire) preying on Tetranychus cinnabarinus (Boisduval) (Acari: Tetranychidae) eggs was determined under laboratory conditions of 75 +/- 5% RH and a 16:8 (L:D) h photoperiod. O. flavicornis survival rates were highest between 18 and 30 degrees C, although O. flavicornis eggs developed successfully to adults at 12-32 degrees C, and the developmental durations to adult at the seven temperatures (12, 15, 18, 20, 25, 30, and 32 degrees C) were 114.41, 51.66, 33.45, 23.21, 13.43, 11.54, and 17.18 d, respectively. Two linear and seven nonlinear models (Logan-6 and Logan-10, Taylor, Lactin-1 and Lactin-2, and Briere-1 and Briere-2) were fit to the developmental rates of the immature predatory stages to estimate the thermal constant (K) and critical temperatures. The lower temperature threshold (T0) and K for the immature stages using the common linear model were 9.96 degrees C and 225.73 degree-days and Ikemoto-Takai linear model were 11.01 degrees C and 167.14 degree-days, respectively. The upper temperature threshold values estimated by the Logan-6 and Lactin-1 models were both 34.86 degrees C. The T0 values estimated by the Briere-1 and Briere-2 models were 10.67 and 9.32 degrees C for all immature stages, respectively, and the estimated optimal temperature according to the Briere-2 model was 29.59 degrees C. Therefore, the two linear models and Briere-2 model estimates approximated the actual relationship between the temperature and developmental rate of immature O. flavicornis. PMID- 29220519 TI - Aggregation Patterns, Sampling Plan, and Economic Injury Levels for the New Citrus Pest Delottococcus aberiae (Hemiptera: Pseudococcidae). AB - Delottococcus aberiae De Lotto (Hemiptera: Pseudococcidae) is the latest exotic mealybug species introduced in citrus in the Mediterranean basin. It causes severe distortion and size reduction on developing fruits. Due to its first interaction with citrus, D. aberiae economic thresholds are still unknown for this crop and the current Integrated Pest Management programs have been disrupted. The objectives of this study were to determine the aggregation patterns of D. aberiae in citrus, develop an efficient sampling plan to assess its population density, and calculate its Economic and Economic Environmental Injury Levels (EIL and EEIL, respectively). Twelve and 19 orchards were sampled in 2014 and 2015, respectively. At each orchard, population densities were monitored fortnightly in leaves, twigs, and fruit, and fruit damage was determined at harvest. Our results showed a clumped aggregation of D. aberiae in all organs with no significant differences between generations on fruit. Fruit damage at harvest was strongly correlated with fruit occupation in spring. Based on these results and using chlorpyrifos as the insecticide of reference, the EIL and EEIL were calculated as 7.1 and 12.1% of occupied fruit in spring, respectively. With all this, we recommend sampling 275 fruits using a binomial sampling method or alternatively, 140 fruits with an enumerative method bimonthly between petal fall and July. PMID- 29220520 TI - Gaps in Workplace Education For Prevention of Occupational Skin Disease. AB - Background: Occupational contact dermatitis (OCD) is a common occupational disease. Evidence suggests that education and training are effective prevention strategies. In spite of these known prevention strategies, workers continue to develop OCD. Little is reported regarding the actual training experience of workers. Objective: To examine the training experience of workers with contact dermatitis to identify areas for improvement. Methods: Participants were workers being assessed for contact dermatitis in an occupational health clinic. The anonymous survey collected demographics, workplace characteristics, and education and prevention practices. Results: Approximately 80% reported general occupational health and safety training; however, only 49% reported skin-specific training (SST). For workers reporting SST, most received information regarding exposure avoidance, hand washing, and glove use. This content was reported as helpful by at least 50%. Workers who did not receive SST indicated the most important content would be warning signs of skin problems, how to avoid exposure and skin care while using gloves. Conclusions: While the study was anonymous and used self-reported of training experience, the study suggests there are gaps in skin protection training. Addressing these gaps may lead to improved prevention and reduction in OCD. PMID- 29220521 TI - Trypanosomatid mitochondrial RNA editing: dramatically complex transcript repertoires revealed with a dedicated mapping tool. AB - RNA editing by targeted insertion and deletion of uridine is crucial to generate translatable mRNAs from the cryptogenes of the mitochondrial genome of kinetoplastids. This type of editing consists of a stepwise cascade of reactions generally proceeding from 3' to 5' on a transcript, resulting in a population of partially edited as well as pre-edited and completely edited molecules for each mitochondrial cryptogene of these protozoans. Often, the number of uridines inserted and deleted exceed the number of nucleotides that are genome-encoded. Thus, analysis of kinetoplastid mitochondrial transcriptomes has proven frustratingly complex. Here we present our analysis of Leptomonas pyrrhocoris mitochondrial cDNA deep sequencing reads using T-Aligner, our new tool which allows comprehensive characterization of RNA editing, not relying on targeted transcript amplification and on prior knowledge of final edited products. T Aligner implements a pipeline of read mapping, visualization of all editing states and their coverage, and assembly of canonical and alternative translatable mRNAs. We also assess T-Aligner functionality on a more challenging deep sequencing read input from Trypanosoma cruzi. The analysis reveals that transcripts of cryptogenes of both species undergo very complex editing that includes the formation of alternative open reading frames and whole categories of truncated editing products. PMID- 29220523 TI - Interviewers' Ratings of Respondents' Health: Predictors and Association With Mortality. AB - Objectives: Recent research indicates that survey interviewers' ratings of respondents' health (IRH) may provide supplementary health information about respondents in surveys of older adults. Although IRH is a potentially promising measure of health to include in surveys, our understanding of the factors contributing to IRH remains incomplete. Methods: We use data from the 2011 face to-face wave of the Wisconsin Longitudinal Study, a longitudinal study of older adults from the Wisconsin high school class of 1957 and their selected siblings. We first examine whether a range of factors predict IRH: respondents' characteristics that interviewers learn about and observe as respondents answer survey questions, interviewers' evaluations of some of what they observe, and interviewers' characteristics. We then examine the role of IRH, respondents' self rated health (SRH), and associated factors in predicting mortality over a 3-year follow-up. Results: As in prior studies, we find that IRH is associated with respondents' characteristics. In addition, this study is the first to document how IRH is associated with both interviewers' evaluations of respondents and interviewers' characteristics. Furthermore, we find that the association between IRH and the strong criterion of mortality remains after controlling for respondents' characteristics and interviewers' evaluations of respondents. Discussion: We propose that researchers incorporate IRH in surveys of older adults as a cost-effective, easily implemented, and supplementary measure of health. PMID- 29220524 TI - Brain Responses to Cigarette-Related and Emotional Images in Smokers During Smoking Cessation: No Effect of Varenicline or Bupropion on the Late Positive Potential. AB - Introduction: Varenicline and bupropion are two effective smoking cessation pharmacotherapies. Researchers have hypothesized that they might be effective, in part, because they reduce cue reactivity and cue-induced cravings. Here, we used event-related potentials (ERPs) to directly measure brain responses to cigarette related and other motivationally relevant images during a pharmacologically aided quit attempt. Methods: Smokers involved in a 12-week placebo-controlled double blind clinical trial of smoking cessation medications (varenicline, bupropion, placebo) took part in the study. We assessed participants at two time points: 24 hours (n = 140) and four weeks (n = 176) after the quit date. At both sessions, we measured the amplitude of the Late Positive Potential (LPP), an ERP component reliably associated with motivational relevance, and self-reported tonic craving using the brief version of the Questionnaire of Smoking Urges (QSU-Brief). Results: At both sessions, emotional and cigarette-related images evoked significantly larger LPPs than neutral images. Neither drug type nor smoking abstinence altered this effect at either session. At both sessions, varenicline and bupropion significantly reduced self-reported tonic craving relative to the placebo condition. Conclusions: While both varenicline and bupropion reduced self reported tonic craving, neither medication altered the amplitude of the LPP to cigarette-related or emotional pictures in smokers attempting to quit. These medications may influence abstinence by means other than by reducing neuroaffective responses to cigarette-related cues. Smokers should be prepared for the likelihood that even after several weeks of successful abstinence, once treatment ends, cigarette-related cues may remain motivationally relevant and trigger cravings that might lead to relapse. Implications: Bupropion and varenicline do not alter electrophysiological responses, as measured by the LPP, to cigarette-related and emotional images. These findings help explain why cigarette-related cues can trigger relapse when smoking cessation medication treatments end. PMID- 29220522 TI - Meta-analysis of genome-wide association studies identifies 8 novel loci involved in shape variation of human head hair. AB - Shape variation of human head hair shows striking variation within and between human populations, while its genetic basis is far from being understood. We performed a series of genome-wide association studies (GWASs) and replication studies in a total of 28 964 subjects from 9 cohorts from multiple geographic origins. A meta-analysis of three European GWASs identified 8 novel loci (1p36.23 ERRFI1/SLC45A1, 1p36.22 PEX14, 1p36.13 PADI3, 2p13.3 TGFA, 11p14.1 LGR4, 12q13.13 HOXC13, 17q21.2 KRTAP, and 20q13.33 PTK6), and confirmed 4 previously known ones (1q21.3 TCHH/TCHHL1/LCE3E, 2q35 WNT10A, 4q21.21 FRAS1, and 10p14 LINC00708/GATA3), all showing genome-wide significant association with hair shape (P < 5e-8). All except one (1p36.22 PEX14) were replicated with nominal significance in at least one of the 6 additional cohorts of European, Native American and East Asian origins. Three additional previously known genes (EDAR, OFCC1, and PRSS53) were confirmed at the nominal significance level. A multivariable regression model revealed that 14 SNPs from different genes significantly and independently contribute to hair shape variation, reaching a cross-validated AUC value of 0.66 (95% CI: 0.62-0.70) and an AUC value of 0.64 in an independent validation cohort, providing an improved accuracy compared with a previous model. Prediction outcomes of 2504 individuals from a multiethnic sample were largely consistent with general knowledge on the global distribution of hair shape variation. Our study thus delivers target genes and DNA variants for future functional studies to further evaluate the molecular basis of hair shape in humans. PMID- 29220525 TI - Impact of Opioid Dose Reduction and Risk Mitigation Initiatives on Chronic Opioid Therapy Patients at Higher Risk for Opioid-Related Adverse Outcomes. AB - Objective: We aimed to determine if opioid risk reduction initiatives including dose reduction and risk mitigation strategies for chronic noncancer pain patients receiving chronic opioid therapy (COT) had a differential impact on average daily opioid doses of COT patients at higher risk for opioid-related adverse outcomes compared with lower-risk patients. Design: Interrupted time series. Setting: Group Health Cooperative (GH), a health care delivery system and insurance within Washington State, between 2006 and 2014. Population: GH enrollees on COT defined as receiving a supply of 70 or more days of opioids within 90 days using electronic pharmacy data for filled prescriptions. Methods: We compared the average daily morphine equivalent doses (MED) of COT patients with and without each of the following higher-risk characteristics: mental disorders, substance use disorders, sedative use, and male gender. Results: In all four pairwise comparisons, the higher-risk subgroup had a higher average daily MED than the lower-risk subgroup across the study period. Adjusted for covariates, modest differences in the annual rate of reduction in average daily MED were noted between higher- and lower-risk subgroups in three pairwise comparisons: those with mental disorders vs without (-8.2 mg/y vs -5.2 mg/y, P = 0.005), with sedative use vs without (-9.2 mg/y vs -5.8 mg/y, P = 0.004); mg), in men vs women (-8.8 mg/y vs -5.9 mg/y, P = 0.01). Conclusions: Using clinical policy initiatives in a health care system, dose reductions were achieved among COT patients at higher risk for opioid-related adverse outcomes that were at least as large as those among lower-risk patients. PMID- 29220526 TI - Anti-PD-L1 Treatment Induced Central Diabetes Insipidus. AB - Context: Immune checkpoint inhibitors, including anti-programmed cell death protein 1 (PD-1), anti-programmed cell death protein ligand 1 (PD-L1), and anti cytotoxic T-lymphocyte antigen 4 (anti-CTLA4) monoclonal antibodies, have been widely used in cancer treatment. They are known to cause immune-related adverse events (irAEs), which resemble autoimmune diseases. Anterior pituitary hypophysitis with secondary hypopituitarism is a frequently reported irAE, especially in patients receiving anti-CTLA4 treatment. In contrast, posterior pituitary involvement, such as central diabetes insipidus (DI), is relatively rare and is unreported in patients undergoing PD-1/PD-L1 blockade. Case Description: We describe a case of a 73-year-old man with Merkel cell carcinoma who received the anti-PD-L1 monoclonal antibody avelumab and achieved partial response. The patient developed nocturia, polydipsia, and polyuria 3 months after starting avelumab. Further laboratory testing revealed central DI. Avelumab was held and he received desmopressin for the management of central DI. Within 6 weeks after discontinuation of avelumab, the patient's symptoms resolved and he was eventually taken off desmopressin. The patient remained off avelumab and there were no signs or symptoms of DI 2 months after the discontinuation of desmopressin. Conclusion: To our knowledge, this is the first report of central DI associated with anti-PD-L1 immunotherapy. The patient's endocrinopathy was successfully managed by holding treatment with the immune checkpoint inhibitor. This case highlights the importance of early screening and appropriate management of hormonal irAEs in subjects undergoing treatment with immune checkpoint inhibitors to minimize morbidity and mortality. PMID- 29220527 TI - Inverse Association Between Neck Pain and All-Cause Mortality in Community Dwelling Older Adults. AB - Objective: In a previous study, we found an apparent protective effect of neck pain on all-cause mortality in subjects older than age 85 years. The present longitudinal investigation was performed to verify this unexpected finding in a larger sample and to establish its significance. Design: Population follow-up study. Setting: Three towns of Northern Italy. Subjects: We examined 5,253 community-dwelling residents age 65-102 years (55% female). Methods: Through a postal questionnaire, baseline information was obtained concerning cardiovascular risk factors, self-rated health, physical activity, cardiovascular events, medical therapy, and presence of pain in the main joints. Seven-year all-cause mortality was the end point. Results: During follow-up, 1,250 people died. After adjustment for age, sex, anti-inflammatory drugs, physical activity, and main risk factors, neck pain was inversely associated with mortality (hazard ratio = 0.74, 95% confidence interval = 0.64-0.86, P < 0.001). This association was present, with high significance, in each of the eight following subgroups: men, women, age 65-74 years, age 75-84 years, age >=85 years and residents of each of the three towns. The subjects without neck pain (N = 3,158) were older, more often men, less often hypercholesterolemic, less physically active, and had more frequently had a stroke than the subjects with neck pain (N = 2,095). There were no differences in the causes of death between subjects with or without neck pain. Conclusions: This study has confirmed the existence of an independent inverse association between neck pain and mortality in the elderly, suggesting that reduced sensitivity to neck pain may be a new marker of frailty. PMID- 29220528 TI - Maternal Thyroid Function in Early Pregnancy and Neuropsychological Performance of the Child at 5 Years of Age. AB - Context: Abnormal maternal thyroid function in pregnancy may impair fetal brain development, but more evidence is needed to refine and corroborate the hypothesis. Objective: To estimate the association between maternal thyroid function in early pregnancy and neuropsychological performance of the child at 5 years of age. Design: Follow-up study. Participants: A cohort of 1153 women and their children sampled from the Danish National Birth Cohort. Maternal thyroid stimulating hormone (TSH) and free thyroxine (fT4) were measured in stored biobank sera from early pregnancy. Main outcomes measures: Child neuropsychological test results (Wechsler Intelligence Scale/Test of Everyday Attention), test of motor function (Movement Assessment Battery), and results of parent and teacher reports (Behavior Rating Inventory of Executive Function/Strengths and Difficulties Questionnaire). Results: Altogether 145 children (12.6%) were born to mothers with abnormal thyroid function in the early pregnancy. High maternal TSH and low fT4 were associated with lower child verbal intelligence quotient (adjusted mean difference TSH >= 10 mIU/L vs 0.1 to 2.49 mIU/L, -8.9 [95% confidence interval (CI), -15 to -2.4]; fT4 < 10 pmol/l vs 12.0 to 18.99 pmol/l, -13 [95% CI, -19 to -7.3]). Abnormal maternal thyroid function was also associated with adverse motor function and teacher-reported problems of executive function and behavior, and these associations were dominated by exposure to maternal hypothyroxinemia. Conclusions: Maternal thyroid hormone abnormalities were associated with adverse neuropsychological function of the child at 5 years of age. For intelligence, marked hypothyroidism was important, whereas for motor function and executive and behavior problems, maternal hypothyroxinemia was predominant. PMID- 29220529 TI - Oxytocin and Naltrexone Successfully Treat Hypothalamic Obesity in a Boy Post Craniopharyngioma Resection. AB - Context: Hypothalamic obesity, a treatment-resistant condition common to survivors of craniopharyngioma (CP), is strongly associated with a poor quality of life in this population. Oxytocin (OT), a hypothalamic neuropeptide, has been shown to play a role in the regulation of energy balance and to have anorexigenic effects in animal studies. Naltrexone (NAL), an opiate antagonist, has been shown to deter hedonic eating and to potentiate OT's effects. Design: In this parent observed study, we tested the administration of intranasal OT for 10 weeks (phase 1), followed by a combination of intranasal OT and NAL for 38 weeks (phase 2) in a 13-year-old male with confirmed hypothalamic obesity and hyperphagia post-CP resection. Treatment resulted in 1) reduction in body mass index (BMI) z score from 1.77 to 1.49 over 10 weeks during phase 1; 2) reduction in BMI z score from 1.49 to 0.82 over 38 weeks during phase 2; 3) reduced hyperphagia during phases 1 and 2; 4) continued hedonic high-carbohydrate food-seeking in the absence of hunger during phases 1 and 2; and 5) sustained weight reduction during decreased parental monitoring and free access to unlocked food in the home during the last 10 weeks of phase 2. Conclusion: This successful intervention of CP-related hypothalamic obesity and hyperphagia by OT alone and in combination with NAL is promising for conducting future studies of this treatment-recalcitrant form of obesity. PMID- 29220530 TI - Impaired Lipolysis, Diminished Fat Oxidation, and Metabolic Inflexibility in Obese Girls With Polycystic Ovary Syndrome. AB - Context: Metabolic flexibility reflects the ability to switch from lipid to carbohydrate oxidation during insulin stimulation manifested in increased respiratory quotient (RQ). Little is known about adipose tissue metabolism and metabolic flexibility in adolescent girls with polycystic ovary syndrome (PCOS). Objective: We investigated whole-body lipolysis, substrate oxidation, and metabolic flexibility in obese girls with PCOS vs obese girls without PCOS. Patients/Design: Twenty-one obese girls with PCOS and 21 obese girls without PCOS were pair-matched for age and race. Body composition, abdominal visceral adipose tissue (VAT), sex hormones, lipid profile, and adiponectin were measured. Whole body lipolysis ([2H5]glycerol turnover), RQ, and substrate oxidation (indirect calorimetry) were evaluated during fasting and a hyperinsulinemic-euglycemic clamp together with assessment of insulin sensitivity (IS). Results: Despite similar body mass index and percent body fat, girls with PCOS vs girls without PCOS had lower fasting lipolysis and fat oxidation, less increase in RQ during hyperinsulinemia with impaired suppression in lipolysis and lipid oxidation, and lower IS. In multiple regression, the best predictors of metabolic flexibility were [using clinical parameters: adiponectin, fasting triglycerides, and insulin (R2 = 0.618, P < 0.0001); using research parameters: IS, VAT, and baseline RQ (R2 = 0.756, P < 0.0001)]. Conclusions: Obese girls with PCOS vs obese girls without PCOS have decreased lipid mobilization, diminished fat oxidation, and metabolic inflexibility. Whether this metabolic phenotype of adipose tissue dysfunction, which is conducive to fat accretion, plays a role in the induction and maintenance of obesity in adolescent girls with PCOS remains to be determined. PMID- 29220531 TI - Effect of Age on Response to Therapy and Mortality in Patients With Thyroid Cancer at High Risk of Recurrence. AB - Context: Age at diagnosis has been identified as a major determinant of thyroid cancer-specific survival, with older patients being at higher risk for mortality, but the association of age with risk of recurrence has not been studied to date. Objective: To examine the effect of a patient's age on response to therapy and disease-specific mortality in a cohort of thyroid cancer patients at high risk of recurrence, as defined by the American Thyroid Association (ATA) risk stratification system. Design: Retrospective cohort study of 320 patients, median age 49.3 years, with follicular cell-derived thyroid carcinoma classified at ATA high risk and followed for a median of 7 years. Main Outcome Measures: Association of age with response to therapy, overall mortality, disease-specific mortality, and timing of metastases. Results: Age was a major determinant of response to therapy. There was a significantly larger percentage of excellent responders among young patients (age <55) than among old patients (age >=55), 40.3% vs 27.5%, P = 0.002, respectively, whereas the proportion of structural incomplete responders was higher in the old group compared with the young group, 53% vs 33%, P = 0.002, respectively. ATA high-risk young patients with a structural incomplete response to therapy had a significantly better disease specific survival than old patients (74% vs 12%, P < 0.001, respectively). Conclusions: Age was a key predictor of response to therapy and disease-specific survival in ATA high-risk thyroid cancer patients. Its incorporation as a variable in the ATA risk stratification system would improve its power to predict response to therapy as well as mortality. PMID- 29220532 TI - Exploring the Predictive Validity of the Susceptibility to Smoking Construct for Tobacco Cigarettes, Alternative Tobacco Products, and E-Cigarettes. AB - Introduction: Within tobacco prevention programming, it is useful to identify youth that are at risk for experimenting with various tobacco products and e cigarettes. The susceptibility to smoking construct is a simple method to identify never-smoking students that are less committed to remaining smoke-free. However, the predictive validity of this construct has not been tested within the Canadian context or for the use of other tobacco products and e-cigarettes. Methods: This study used a large, longitudinal sample of secondary school students that reported never using tobacco cigarettes and non-current use of alternative tobacco products or e-cigarettes at baseline in Ontario, Canada. The sensitivity, specificity, and positive and negative predictive values of the susceptibility construct for predicting tobacco cigarette, e-cigarette, cigarillo or little cigar, cigar, hookah, and smokeless tobacco use one and two years after baseline measurement were calculated. Results: At baseline, 29.4% of the sample was susceptible to future tobacco product or e-cigarette use. The sensitivity of the construct ranged from 43.2% (smokeless tobacco) to 59.5% (tobacco cigarettes), the specificity ranged from 70.9% (smokeless tobacco) to 75.9% (tobacco cigarettes), and the positive predictive value ranged from 2.6% (smokeless tobacco) to 32.2% (tobacco cigarettes). Similar values were calculated for each measure of the susceptibility construct. Conclusions: A significant number of youth that did not currently use tobacco products or e-cigarettes at baseline reported using tobacco products and e-cigarettes over a two-year follow up period. The predictive validity of the susceptibility construct was high and the construct can be used to predict other tobacco product and e-cigarette use among youth. Implications: This study presents the predictive validity of the susceptibility construct for the use of tobacco cigarettes among secondary school students in Ontario, Canada. It also presents a novel use of the susceptibility construct for predicting the use of e-cigarettes, cigarillos or little cigars, cigars, hookah, and smokeless tobacco among secondary school students in Ontario, Canada. PMID- 29220534 TI - Effects of Acupuncture Treatment on Fibromyalgia Symptoms, Serotonin, and Substance P Levels: A Randomized Sham and Placebo-Controlled Clinical Trial. AB - Objective: The aim of this study was to evaluate the effects of acupuncture treatment on serum levels of serotonin and substance P (SP) as well as on clinical parameters in patients with fibromyalgia (FM). Methods: This is a randomized controlled clinical trial. Seventy-five women with FM were randomized into one of three kinds of acupuncture treatment: real acupuncture group (AcG), sham acupuncture group (ShG), and simulated acupuncture group (SiG). Treatments were applied semiweekly for four weeks. The serum levels of serotonin and SP were evaluated before and after the eight sessions. Patients were clinically assessed by visual analog scale (VAS), the number of tender points (NTP), Fibromyalgia Impact Questionnaire (FIQ), Beck Depression Inventory (BDI), and Nottingham Health Profile (NHP) at baseline, after the last treatment, and one and three months after completion of all treatments. Results: Serum serotonin values increased significantly after treatment in AcG and ShG (P < 0.001 and P < 0.01, respectively). The increase in the AcG was also different from both of the other groups (P < 0.01). While SP levels decreased in the AcG, they increased in the SiG (P = 0.001). In the AcG, significant improvements were found in almost all clinical outcomes after treatment. These usually continued for three months. In the ShG, there were also significant changes on the NTP, VAS, FIQ, and BDI scores after treatment. Improvements on the NTP and FIQ scores lasted for three months. In the SiG, significant improvements were found only in the NTP, VAS, and BDI scores after treatment. Conclusions: Acupuncture, rather than sham or placebo acupuncture, may lead to long-term improvements on clinical outcomes and pain neuromediator values. Changes in serum serotonin and SP levels may be a valuable explanation for acupuncture mechanisms in FM treatment. PMID- 29220535 TI - Multiplicity-edited 1 H-1 H TOCSY experiment. AB - A 1 H-1 H total correlation spectroscopy (TOCSY) experiment incorporating 13 C multiplicity information is proposed. In addition, broadband 1 H homodecoupling in the indirect dimension can be implemented using a perfect BIRD module that affords exclusive 1 H chemical shift evolution with full decoupling of all heteronuclear and homonuclear (including 2 JHH ) coupling constants. As a complement to the normal TOCSY and the recent PSYCHE-TOCSY experiments, this novel multiplicity-edited TOCSY experiment distinguishes between CH/CH3 (phased up) and CH2 (phased down) cross-peaks, which facilitates resonance analysis and assignment. PMID- 29220533 TI - Androgens, Irregular Menses, and Risk of Diabetes and Coronary Artery Calcification in the Diabetes Prevention Program. AB - Context: It is unclear whether relative elevations in androgens or irregular menses (IM) are associated with greater cardiometabolic risk among women who are already overweight and glucose intolerant. Research Design and Methods: We conducted a secondary analysis of the Diabetes Prevention Program (DPP) and the Diabetes Prevention Program Outcomes Study (DPPOS). Participants included women with sex hormone measurements who did not use exogenous estrogen (n = 1422). We examined whether free androgen index (FAI) or IM was associated with diabetes risk during the DPP/DPPOS or with coronary artery calcification (CAC) at DPPOS year 10. Models were adjusted for menopausal status, age, race or ethnicity, randomization arm, body mass index (BMI), and hemoglobin A1c. Results: Women had an average age of 48.2 +/- 9.9 years. Elevations in FAI and IM were associated with greater BMI, waist circumference, and blood pressure and lower adiponectin. FAI was not associated with diabetes risk during the DPP/DPPOS [hazard ratio (HR) 0.97; 95% confidence interval (CI), 0.93 to 1.02] or increased odds of CAC [odds ratio (OR) 1.06; 95% CI, 0.92 to 1.23]. IM was also not associated with diabetes risk during the DPP/DPPOS (HR 1.07; 95% CI, 0.87 to 1.31) or increased odds of CAC (OR 0.89; 95% CI, 0.53 to 1.49). Women who had both relative elevations in FAI and IM had similar diabetes risk and odds of CAC as women without these conditions. Differences by treatment arm and menopausal status were not observed. Conclusions: Among midlife women who were already glucose intolerant and overweight, androgen concentrations and IM did not additionally contribute to increased risk for diabetes or CAC. PMID- 29220536 TI - CD36 deficiency attenuates immune-mediated hepatitis in mice by modulating the proapoptotic effects of CXC chemokine ligand 10. AB - : The scavenger receptor CD36 recognizes a diverse set of ligands and has been implicated in a wide variety of normal and pathological processes, including lipid metabolism, angiogenesis, atherosclerosis, and phagocytosis. In particular, recent findings have demonstrated its crucial functions in sterile inflammation and tumor metastasis. However, the role of CD36 in immune-mediated hepatitis remains unclear. Concanavalin A (ConA)-induced liver injury is a well-established experimental T cell-mediated hepatitis. To understand the role of CD36 in hepatitis, we tested the susceptibility of CD36-deficient (CD36-/- ) mice to this model, evaluated by a liver enzyme test, terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) assay, histological analysis, mononuclear cell (MNC) infiltration, and hepatic proinflammatory factor production. CD36-/- mice were less sensitive to ConA-induced hepatitis and had a significantly lower number of liver MNCs (LMNCs), including CD4+ cells, CD8+ T cells, natural killer cells, natural killer T cells, infiltrating macrophages, and neutrophils, as well as reduced expression of inflammatory mediators (tumor necrosis factor alpha, CXC chemokine ligand (CXCL) 10, interleukin (IL)-1alpha, monocyte chemotactic protein 1, and IL-6) compared with controls. Notably, we used bone marrow chimeric mice to demonstrate that CD36 expression on nonhematopoietic cells was required to drive ConA-induced liver injury. Furthermore, our data show that the CD36 receptor was essential for CXCL10-induced hepatocyte apoptosis and activation of IkappaB kinase, Akt, and Jun N-terminal kinase. Moreover, treatment of wild-type mice with genistein, a tyrosine kinase inhibitor that blocks CD36-Lyn signaling, attenuated ConA-induced liver injury and reduced the number of MNCs. CONCLUSIONS: Our findings suggest that CD36 plays an important proinflammatory role in ConA induced liver injury by promoting hepatic inflammation and mediating the proapoptotic effect of chemokine CXCL10, and therefore, may be a potential therapeutic target for immune-mediated hepatitis. (Hepatology 2018;67:1943-1955). PMID- 29220538 TI - Early-stage mycosis fungoides screening investigations: a retrospective analysis of 440 cases. PMID- 29220537 TI - Milder disease stage in patients with primary biliary cholangitis over a 44-year period: A changing natural history. AB - : Changes over time in the presenting features and clinical course of patients with primary biliary cholangitis are poorly described. We sought to describe temporal trends in patient and disease characteristics over a 44-year period across a large international primary biliary cholangitis cohort of 4,805 patients diagnosed between 1970 and 2014, from 17 centers across Europe and North America. Patients were divided into five cohorts according to their year of diagnosis: 1970-1979 (n = 143), 1980-1989 (n = 858), 1990-1999 (n = 1,754), 2000-2009 (n = 1,815), and >=2010 (n = 235). Age at diagnosis, disease stage, response to ursodeoxycholic acid, and clinical outcomes were compared. Mean age at diagnosis increased incrementally by 2-3 years per decade from 46.9 +/- 10.1 years in the 1970s to 57.0 +/- 12.1 years from 2010 onward (P < 0.001). The female to male ratio (9:1) and antimitochondrial antibody positivity (90%) were not significantly variable. The proportion of patients presenting with mild biochemical disease (according to Rotterdam staging) increased from 41.3% in the 1970s to 72.2% in the 1990s (P < 0.001) and remained relatively stable thereafter. Patients with a mild histological stage at diagnosis increased from 60.4% (1970-1989) to 76.5% (1990-2014) (P < 0.001). Correspondingly, response to ursodeoxycholic acid according to Paris-I criteria increased; 51.7% in the 1970s and 70.5% in the 1990s (P < 0.001). Recent decades were also characterized by lower decompensation rates (18.5% in the 1970s to 5.8% in the 2000s, P < 0.001) and higher 10-year transplant-free survival (48.4%, 68.7%, 79.7%, and 80.1% for each respective cohort; P < 0.001). CONCLUSION: In recent decades, a pattern of primary biliary cholangitis presentation consistent with an older age at diagnosis alongside reduced disease severity has been noted; the observed trends may be explained by an increase in routine testing of liver function and/or a changing environmental trigger. (Hepatology 2018;67:1920-1930). PMID- 29220540 TI - Reflectance confocal microscopy evaluation of trichobacteriosis axilaris. PMID- 29220539 TI - Significance and mechanism of androgen receptor overexpression and androgen receptor/mechanistic target of rapamycin cross-talk in hepatocellular carcinoma. AB - : Hepatocellular carcinoma (HCC) is a male-dominant cancer, and androgen receptor (AR) has been linked to the pathogenesis of HCC. However, AR expression and its precise role in HCC remain controversial. Moreover, previous antiandrogen and anti-AR clinical trials in HCC failed to demonstrate clinical benefits. In this study, we found that AR is overexpressed in the nucleus of approximately 37% of HCC tumors, which is significantly associated with advanced disease stage and poor survival. AR overexpression in HCC cells markedly alters AR-dependent transcriptome, stimulates oncogenic growth, and determines therapeutic response to enzalutamide, a second generation of AR antagonist. However, AR inhibition evokes feedback activation of AKT-mTOR (mechanistic target of rapamycin) signaling, a central regulator for cell growth and survival. On the other hand, mTOR promotes nuclear AR protein expression by restraining ubiquitin-dependent AR degradation and enhancing AR nuclear localization, providing a mechanistic explanation for nuclear AR overexpression in HCC. Finally, cotargeting AR and mTOR shows significant synergistic anti-HCC activity and decreases tumor burden by inducing apoptosis in vivo. CONCLUSION: Nuclear AR overexpression is associated with the progression and prognosis of HCC. However, enzalutamide alone has limited therapeutic utility attributed to feedback activation of the AKT-mTOR pathway. Moreover, mTOR drives nuclear AR overexpression. Cotargeting AR and mTOR is a promising therapeutic strategy for HCC. (Hepatology 2018;67:2271-2286). PMID- 29220541 TI - Yoga for stroke rehabilitation. AB - BACKGROUND: Stroke is a major health issue and cause of long-term disability and has a major emotional and socioeconomic impact. There is a need to explore options for long-term sustainable interventions that support stroke survivors to engage in meaningful activities to address life challenges after stroke. Rehabilitation focuses on recovery of function and cognition to the maximum level achievable, and may include a wide range of complementary strategies including yoga.Yoga is a mind-body practice that originated in India, and which has become increasingly widespread in the Western world. Recent evidence highlights the positive effects of yoga for people with a range of physical and psychological health conditions. A recent non-Cochrane systematic review concluded that yoga can be used as self-administered practice in stroke rehabilitation. OBJECTIVES: To assess the effectiveness of yoga, as a stroke rehabilitation intervention, on recovery of function and quality of life (QoL). SEARCH METHODS: We searched the Cochrane Stroke Group Trials Register (last searched July 2017), Cochrane Central Register of Controlled Trials (CENTRAL) (last searched July 2017), MEDLINE (to July 2017), Embase (to July 2017), CINAHL (to July 2017), AMED (to July 2017), PsycINFO (to July 2017), LILACS (to July 2017), SciELO (to July 2017), IndMED (to July 2017), OTseeker (to July 2017) and PEDro (to July 2017). We also searched four trials registers, and one conference abstracts database. We screened reference lists of relevant publications and contacted authors for additional information. SELECTION CRITERIA: We included randomised controlled trials (RCTs) that compared yoga with a waiting-list control or no intervention control in stroke survivors. DATA COLLECTION AND ANALYSIS: Two review authors independently extracted data from the included studies. We performed all analyses using Review Manager (RevMan). One review author entered the data into RevMan; another checked the entries. We discussed disagreements with a third review author until consensus was reached. We used the Cochrane 'Risk of bias' tool. Where we considered studies to be sufficiently similar, we conducted a meta-analysis by pooling the appropriate data. For outcomes for which it was inappropriate or impossible to pool quantitatively, we conducted a descriptive analysis and provided a narrative summary. MAIN RESULTS: We included two RCTs involving 72 participants. Sixty-nine participants were included in one meta-analysis (balance). Both trials assessed QoL, along with secondary outcomes measures relating to movement and psychological outcomes; one also measured disability.In one study the Stroke Impact Scale was used to measure QoL across six domains, at baseline and post-intervention. The effect of yoga on five domains (physical, emotion, communication, social participation, stroke recovery) was not significant; however, the effect of yoga on the memory domain was significant (mean difference (MD) 15.30, 95% confidence interval (CI) 1.29 to 29.31, P = 0.03), the evidence for this finding was very low grade. In the second study, QoL was assessed using the Stroke-Specifc QoL Scale; no significant effect was found.Secondary outcomes included movement, strength and endurance, and psychological variables, pain, and disability.Balance was measured in both studies using the Berg Balance Scale; the effect of intervention was not significant (MD 2.38, 95% CI -1.41 to 6.17, P = 0.22). Sensititivy analysis did not alter the direction of effect. One study measured balance self-efficacy, using the Activities-specific Balance Confidence Scale (MD 10.60, 95% CI -7.08,= to 28.28, P = 0.24); the effect of intervention was not significant; the evidence for this finding was very low grade.One study measured gait using the Comfortable Speed Gait Test (MD 1.32, 95% CI -1.35 to 3.99, P = 0.33), and motor function using the Motor Assessment Scale (MD -4.00, 95% CI -12.42 to 4.42, P = 0.35); no significant effect was found based on very low-grade evidence.One study measured disability using the modified Rankin Scale (mRS) but reported only whether participants were independent or dependent. No significant effect was found: (odds ratio (OR) 2.08, 95% CI 0.50 to 8.60, P = 0.31); the evidence for this finding was very low grade.Anxiety and depression were measured in one study. Three measures were used: the Geriatric Depression Scale-Short Form (GCDS15), and two forms of State Trait Anxiety Inventory (STAI, Form Y) to measure state anxiety (i.e. anxiety experienced in response to stressful situations) and trait anxiety (i.e. anxiety associated with chronic psychological disorders). No significant effect was found for depression (GDS15, MD -2.10, 95% CI -4.70 to 0.50, P = 0.11) or for trait anxiety (STAI-Y2, MD -6.70, 95% CI -15.35 to 1.95, P = 0.13), based on very low-grade evidence. However, a significant effect was found for state anxiety: STAI-Y1 (MD -8.40, 95% CI -16.74 to -0.06, P = 0.05); the evidence for this finding was very low grade.No adverse events were reported.Quality of the evidenceWe assessed the quality of the evidence using GRADE. Overall, the quality of the evidence was very low, due to the small number of trials included in the review both of which were judged to be at high risk of bias, particularly in relation to incompleteness of data and selective reporting, and especially regarding the representative nature of the sample in one study. AUTHORS' CONCLUSIONS: Yoga has the potential for being included as part of patient-centred stroke rehabilitation. However, this review has identified insufficient information to confirm or refute the effectiveness or safety of yoga as a stroke rehabilitation treatment. Further large-scale methodologically robust trials are required to establish the effectiveness of yoga as a stroke rehabilitation treatment. PMID- 29220542 TI - Safety and efficacy of apremilast through 104 weeks in patients with moderate to severe psoriasis who continued on apremilast or switched from etanercept treatment: findings from the LIBERATE study. AB - BACKGROUND: Apremilast, an oral phosphodiesterase-4 inhibitor, has demonstrated efficacy in patients with moderate to severe psoriasis. OBJECTIVE: To evaluate long-term efficacy and safety of apremilast in biologic-naive patients with moderate to severe plaque psoriasis and safety of switching from etanercept to apremilast in the phase 3b LIBERATE trial. METHODS: Two hundred fifty patients were randomized to placebo, apremilast 30 mg BID or etanercept 50 mg QW through Week 16; thereafter, all patients continued or switched to apremilast through Week 104 (extension phase). Skin, scalp and nail involvement at Weeks 16, 52 and 104 were assessed using the Psoriasis Area and Severity Index (PASI; 0-72), Scalp Physician Global Assessment (ScPGA; 0-5) and Nail Psoriasis Severity Index (NAPSI; 0-8); patient-reported outcomes (PROs) were assessed using the Dermatology Life Quality Index (DLQI; 0-32) and pruritus visual analog scale (VAS; 0-100 mm). RESULTS: The apremilast-extension phase (Weeks 16-104) included 226 patients in the placebo/apremilast (n = 73), apremilast/apremilast (n = 74) and etanercept/apremilast (n = 79) groups, and at Week 104, 50.7%, 45.9% and 51.9% of these patients, respectively, maintained >=75% reduction from baseline in PASI score (based on last-observation-carried-forward analysis). Across treatment groups, ScPGA 0 (clear) or 1 (minimal) was achieved by 50.0%-59.2% of patients; NAPSI mean change from baseline was -48.1% to -51.1%; DLQI score <=5 was achieved by 66.0%-72.5% of patients; and pruritus VAS mean change from baseline was -24.4 to -32.3. AEs in >=5% of patients (diarrhoea, nausea, nasopharyngitis, upper respiratory tract infection and headache) did not increase with prolonged apremilast exposure. CONCLUSIONS: Apremilast demonstrated significant and sustained improvements in skin, scalp, nails and PROs (pruritus and quality of life) over 104 weeks in patients with moderate to severe plaque psoriasis. Safety was consistent with the known safety profile of apremilast. PMID- 29220543 TI - Skin cancer prevention campaign in childhood: survey based on 3676 children in Brazil. AB - BACKGROUND AND OBJECTIVES: Primary skin cancer prevention campaigns are essential and more effective among children, not only because of the importance of sun exposure effects during this period, but also because this age is when individuals are developing behaviours. The Brazilian Society of Dermatology - Regional State of Sao Paulo developed and conducted the programme named 'The Sun, Friend of Childhood', a school health education and disease prevention project for children and parents. Our objective was to evaluate the cognitive and behavioural effects of the children and parents before and after an education model-based intervention of sun protection. METHODS: We carried out a study on a school population of Social Service of Industry - Regional State of Sao Paulo, from the first to the fifth years of the regular course (6-10 years). Our educational project was planned to be based on two children's learning tools (comic magazine and a DVD cartoon). Questionnaires in relation to habits and knowledge in sun exposure were applied to the children (3776) before and (2748) after the intervention. A questionnaire was applied to 3663 parents regarding personal details and habits of their children. RESULTS: According to the McNemar's statistical test, all changes in the children in acquiring new knowledge about good practices for sun exposure were statistically significant. CONCLUSIONS: Educative sun exposure programmes in childhood are a relevant tool to modify the history of life for next generations, to concern the skin cancer and good health practices. PMID- 29220544 TI - Antihypertensive drug treatment: the real-life challenge. PMID- 29220545 TI - Effects of the Bidentate Ligand on the Photophysical Properties, Cellular Uptake, and (Photo)cytotoxicity of Glycoconjugates Based on the [Ru(tpy)(NN)(L)]2+ Scaffold. AB - Ruthenium polypyridyl complexes have received widespread attention as potential chemotherapeutics in photodynamic therapy (PDT) and in photochemotherapy (PACT). Here, we investigate a series of sixteen ruthenium polypyridyl complexes with general formula [Ru(tpy)(N-N)(L)]+/2+ (tpy=2,2':6',2''-terpyridine, N-N=bpy (2,2' bipyridine), phen (1,10-phenanthroline), dpq (pyrazino[2,3 f][1,10]phenanthroline), dppz (dipyrido[3,2-a:2',3'-c]phenazine, dppn (benzo[i]dipyrido[3,2-a:2',3'-c]phenazine), pmip (2-(4-methylphenyl)-1H imidazo[4,5-f][1,10]phenanthroline), pymi ((E)-N-phenyl-1-(pyridin-2 yl)methanimine), or azpy (2-(phenylazo)pyridine), L=Cl- or 2-(2-(2 (methylthio)ethoxy)ethoxy)ethyl-beta-d-glucopyranoside) and their potential for either PDT or PACT. We demonstrate that although increased lipophilicity is generally related to increased uptake of these complexes, it does not necessarily lead to increased (photo)cytotoxicity. However, the non-toxic complexes are excellent candidates as PACT carriers. PMID- 29220546 TI - Differential coordination of stomatal conductance, mesophyll conductance, and leaf hydraulic conductance in response to changing light across species. AB - Stomatal conductance (gs ) and mesophyll conductance (gm ) represent major constraints to photosynthetic rate (A), and these traits are expected to coordinate with leaf hydraulic conductance (Kleaf ) across species, under both steady-state and dynamic conditions. However, empirical information about their coordination is scarce. In this study, Kleaf , gas exchange, stomatal kinetics, and leaf anatomy in 10 species including ferns, gymnosperms, and angiosperms were investigated to elucidate the correlation of H2 O and CO2 diffusion inside leaves under varying light conditions. Gas exchange, Kleaf , and anatomical traits varied widely across species. Under light-saturated conditions, the A, gs , gm , and Kleaf were strongly correlated across species. However, the response patterns of A, gs , gm , and Kleaf to varying light intensities were highly species dependent. Moreover, stomatal opening upon light exposure of dark-adapted leaves in the studied ferns and gymnosperms was generally faster than in the angiosperms; however, stomatal closing in light-adapted leaves after darkening was faster in angiosperms. The present results show that there is a large variability in the coordination of leaf hydraulic and gas exchange parameters across terrestrial plant species, as well as in their responses to changing light. PMID- 29220548 TI - Haem oxygenase: A functionally diverse enzyme of photosynthetic organisms and its role in phytochrome chromophore biosynthesis, cellular signalling and defence mechanisms. AB - Haem oxygenase (HO) is a universal enzyme that catalyses stereospecific cleavage of haem to BV IX alpha and liberates Fe+2 ion and CO as by-product. Beside haem degradation, it has important functions in plants that include cellular defence, stomatal regulation, iron mobilization, phytochrome chromophore synthesis, and lateral root formation. Phytochromes are an extended family of photoreceptors with a molecular mass of 250 kDa and occur as a dimer made up of 2 equivalent subunits of 125 kDa each. Each subunit is made of two components: the chromophore, a light-capturing pigment molecule and the apoprotein. Biosynthesis of phytochrome (phy) chromophore includes the oxidative splitting of haem to biliverdin IX by an enzyme HO, which is the decisive step in the biosynthesis. In photosynthetic organisms, BValpha is reduced to 3Z PPhiB by a ferredoxin dependent PPhiB synthase that finally isomerised to PPhiB. The synthesized PPhiB assembles with the phytochrome apoprotein in the cytoplasm to generate holophytochrome. Thus, necessary for photomorphogenesis in plants, which has confirmed from the genetic studies, conducted on Arabidopsis thaliana and pea. Besides the phytochrome chromophore synthesis, the review also emphasises on the current advances conducted in plant HO implying its developmental and defensive role. PMID- 29220547 TI - Impact of Moderate Alcohol Discontinuation on Insulin Action and Secretion in Latinos With and Without Hepatitis C. AB - BACKGROUND: Insulin resistance (IR) is associated with hepatitis C virus (HCV), and Latinos are both at risk of IR and are disproportionately affected by HCV. Moderate alcohol consumption improves insulin sensitivity and may modify HCV associated IR. We investigated the impact of moderate alcohol discontinuation on insulin sensitivity and secretion in Latinos using direct measurements. METHODS: Twenty-five nondiabetic, noncirrhotic Latino adults without (n = 17) or with (n = 8) HCV underwent 3-day metabolic assessment before and after prescription of 6 weeks of moderate alcohol discontinuation. Peripheral IR was measured via steady state plasma glucose (SSPG) and hepatic IR using endogenous glucose production during a 2-step 240-minute insulin suppression test. Insulin secretion was measured using graded glucose infusion test. RESULTS: Baseline mean age was 46 +/ 11 years, 63% male, 29% had HCV, and mean body mass index was 27 +/- 4 kg/m2 . Compared to non-HCV, HCV patients had a higher median SSPG (132 vs. 98.8 mg/dl, p = 1.0), hepatic IR (13.5 vs. 11.3, p = 0.24), and insulin secretion rate (ISR AUC, 1,290 vs. 1,250 pmol/min, p = 0.98). After confirmed alcohol discontinuation, hepatic IR was the only parameter that changed significantly (increased, mean change 2.6 +/- 4.8, p = 0.02). Higher baseline alanine aminotransferase (ALT) was also associated with a greater change in hepatic IR (average 4.0 points/ALT doubling, p = 0.004), and HCV was associated with a lesser change (average -7.3 points, p = 0.002), independent of ALT. CONCLUSIONS: Short-term moderate alcohol discontinuation adversely impacted hepatic IR in Latinos which was influenced by level of ALT at baseline independent of etiology. Although reduction in ALT through weight loss and HCV eradication remains a priority in improving IR, the observed nonharmful effect of moderate alcohol use represents a potentially confounding variable that warrants further study. PMID- 29220549 TI - Seasonality of cavitation and frost fatigue in Acer mono Maxim. AB - Although cavitation is common in plants, it is unknown whether the cavitation resistance of xylem is seasonally constant or variable. We tested the changes in cavitation resistance of Acer mono before and after a controlled cavitation refilling and freeze-thaw cycles for a whole year. Cavitation resistance was determined from 'vulnerability curves' showing the percent loss of conductivity versus xylem tension. Cavitation fatigue was defined as a reduction of cavitation resistance following a cavitation-refilling cycle, whereas frost fatigue was caused by a freeze-thaw cycle. A. mono developed seasonal changes in native embolisms; values were relatively high during winter but relatively low and constant throughout the growing season. Cavitation fatigue occurred and changed seasonally during the 12-month cycle; the greatest fatigue response occurred during summer and the weakest during winter, and the transitions occurred during spring and autumn. A. mono was highly resistant to frost damage during the relatively mild winter months; however, a quite different situation occurred during the growing season, as the seasonal trend of frost fatigue was strikingly similar to that of cavitation fatigue. Seasonality changes in cavitation resistance may be caused by seasonal changes in the mechanical properties of the pit membranes. PMID- 29220550 TI - Breaking Kuhn's paradigm in advanced hepatocellular carcinoma. PMID- 29220552 TI - PPAPI: A Program for Groundwater Modeling Tasks in Distributed Parallel Computing Environments. PMID- 29220551 TI - Consensus on the management of patients with psoriatic arthritis in a dermatology setting. AB - BACKGROUND: Psoriatic arthritis (PsA) is a chronic inflammatory disease associated with psoriasis (PsO). Early diagnosis and prompt therapeutic intervention are crucial for limiting PsA progression and prevention of disability. Dermatologists are in a privileged position to detect early PsA. The management of patients with PsA in the dermatology setting is widely variable. OBJECTIVE: To provide practical recommendations for the management of patients with PsA in the dermatology setting including early diagnosis and treatment. METHODS: A consensus document was written by an expert panel composed by dermatologists (n = 12) and rheumatologists (n = 6). Eleven highly relevant questions were selected and elaborated with answers/statements based on a narrative literature review. The resulting document was discussed in a face-to face meeting adopting a nominal group technique to reach consensus (i.e. 100% agreement) using the Delphi method. RESULTS: A consensus was achieved in defining the following: the clinical characteristics differentiating inflammatory and non inflammatory signs and symptoms of joint disease; the most important differential diagnoses of PsA in clinical practice; the most useful screening questionnaires, serum laboratory tests and imaging techniques for the detection of early PsA; the criteria for dermatologist to refer patients with PsO to rheumatologist; the criteria for the diagnosis of PsA; the selection of the indices that the dermatologist could use for measuring the activity and severity of PsA in clinical practice; when systemic steroids and/or intra-articular steroid injections are indicated in the treatment of PsA. Finally, systemic treatments including synthetic and biologic disease-modifying antirheumatic drugs to be considered for the treatment of PsA have been reported. CONCLUSIONS: The implementations of these practical recommendations could be very helpful for the management of patients with PsA in the dermatology setting including early diagnosis and treatment. PMID- 29220553 TI - Isomeric Column-Forming Esters and Imides with Varying Curvatures of the Aromatic Plane. AB - Dibenzo[a,j]coronene-tetracarboxylic alkyl esters and imides with either a centrosymmetric bis-peri substitution pattern or a polar bis-ortho substitution pattern form hexagonal columnar mesophases, which in the case of the imides persist at room temperature. The bis-peri isomers are obtained via a two-fold oxidative photocyclization; the bis-ortho isomers are accessed via a glyoxylic Perkin reaction of triphenylene and naphthalene building blocks. Steric congestion between the substituents and the adjacent benzo protrusion in the bis ortho esters and imides leads to bending of the aromatic plane, which thus avoids twisting. These isomers surprisingly show a more pronounced liquid crystalline behaviour than their non-bent bis-peri homologs, accommodating non-planarity with columnar order by slipped stacking. Whereas both types of ester and the bis-peri imide show an optical behaviour typical for perylene chromophores, the strongly bent bis-ortho imide distinguishes itself notably from them by its absorption spectrum. The electron acceptor strength of the isomeric diimides is found to differ, the hexagonal (peri) diimide having a 0.20 eV lower LUMO energy than the pentagonal (ortho) isomer. PMID- 29220554 TI - Assessment of dietary sodium intake using a food frequency questionnaire and 24 hour urinary sodium excretion: a systematic literature review. AB - Food frequency questionnaires (FFQs) are often used to assess dietary sodium intake, although 24-hour urinary excretion is the most accurate measure of intake. The authors conducted a systematic review to investigate whether FFQs are a reliable and valid way of measuring usual dietary sodium intake. Results from 18 studies are described in this review, including 16 validation studies. The methods of study design and analysis varied widely with respect to FFQ instrument, number of 24-hour urine collections collected per participant, methods used to assess completeness of urine collections, and statistical analysis. Overall, there was poor agreement between estimates from FFQ and 24 hour urine. The authors suggest a framework for validation and reporting based on a consensus statement (2004), and recommend that all FFQs used to estimate dietary sodium intake undergo validation against multiple 24-hour urine collections. PMID- 29220555 TI - Multiparameter cytometric analysis of complex cellular response. AB - Complex analysis of cellular responses after experimental treatment is important for screening, mechanistic understanding of treatment effects, and the identification of sensitive and resistant cell phenotypes. Modern multicolor flow cytometry has demonstrated its power for such analyses. Here, we introduce a multiparametric protocol for complex analysis of cytokinetics by the simultaneous detection of seven fluorescence parameters. This analysis includes the detection of two surface markers for immunophenotyping, analysis of proliferation based on the cell cycle and the measurement of incorporated nucleoside analogue 5-ethynyl 2'-deoxyuridine (EdU) in newly synthesized DNA, analysis of DNA damage using an anti-phospho-histone H2A.X (Ser139) antibody, and determination of cell death using a fixable viability probe and intracellular detection of caspase-3 activation. To demonstrate the applicability of this protocol for the analysis of heterogeneous and complex cell responses, we used different treatments and model cell lines. We demonstrated that this protocol has the potential to provide complex and simultaneous analysis of cytokinetics and analyze the heterogeneity of the response at the single-cell level. (c) 2017 International Society for Advancement of Cytometry. PMID- 29220556 TI - Drug treatment of hypertension in Sweden in relation to sex, age, and comorbidity. AB - The authors investigated antihypertensive drug treatment in Sweden using the Stockholm Regional Healthcare Data Warehouse, providing information on all healthcare consultations, diagnoses, hospitalizations, dispensed prescription drugs, sex, and age in 2.1 million persons. This cross-sectional analysis identified 292 428 individuals 20 years or older with hypertension (mean age 68 +/- 13 years, 53% women). About half had no diabetes mellitus or cardiovascular comorbidity. The number of dispensed drugs was lower in women than in men (1.9 +/ 1.3 vs 2.1 +/- 1.5, P < .001). Women more often used diuretics, angiotensin receptor blockers, and beta-blockers, while men used more angiotensin-converting enzyme inhibitors and calcium channel blockers (all P < .01). In women, 66% with diabetes mellitus and 72% with heart failure used angiotensin-converting enzyme inhibitors/angiotensin receptor blockers vs 76% and 79% in men (all P < .001, adjusted for age and comorbidity). Thus, sex differences in treatment prevail. There is room for improvement, which could reduce cardiovascular complications. PMID- 29220558 TI - ? PMID- 29220557 TI - ? PMID- 29220559 TI - ? PMID- 29220560 TI - ? PMID- 29220561 TI - ? PMID- 29220562 TI - ? PMID- 29220563 TI - ? PMID- 29220564 TI - ? PMID- 29220565 TI - ? PMID- 29220566 TI - ? PMID- 29220567 TI - Structural Basis of Histone Demethylase KDM6B Histone 3 Lysine 27 Specificity. AB - KDM subfamily 6 enzymes KDM6A and KDM6B specifically catalyze demethylation of di and trimethylated lysine on histone 3 lysine 27 (H3K27me3/2) and play an important role in repression of developmental genes. Despite identical amino acid sequence in the immediate surroundings of H3K9me3/2 (ARKS), the enzymes do not catalyze demethylation of this general marker of repression. To address this question for KDM6B, we used computational methods to identify H3(17-33)-derived peptides with improved binding affinity that would allow co-crystallization with the catalytic core of human KDM6B (ccKDM6B). A total of five peptides were identified, and their IC50 values were determined in a matrix-assisted laser desorption ionization time-of-flight-based assay. Despite none of the peptides showing affinity significantly higher than that of the H3(17-33) peptide, it was possible to co-crystallize ccKDM6B with a H3(17-33)A21M peptide. This structure reveals the interactions between the KDM6B zinc binding domain and the H3(17-23) region. Although KDM6A and KDM6B differ in primary sequence, particularly in the H3L20 binding pocket of the zinc binding domains, where two histidines in KDM6A have been replaced by a glutamate and a tyrosine, they bind H3(17-23) in a very similar fashion. This structure shows that KDM6B, in analogy with KDM6A, also uses the zinc binding domain to achieve H3K27me3/me2 specificity. The histidine to glutamine substitution at amino acid position 1564 in the KDM6B zinc binding domain can further explain why KDM6B binds substrates with an affinity higher than that of KDM6A. PMID- 29220568 TI - Aniline-Based Inhibitors of Influenza H1N1 Virus Acting on Hemagglutinin-Mediated Fusion. AB - Two series of easily accessible anilines were identified as inhibitors of influenza A virus subtype H1N1, and extensive chemical synthesis and analysis of the structure-activity relationship were performed. The compounds were shown to interfere with low pH-induced membrane fusion mediated by the H1 and H5 (group 1) hemagglutinin (HA) subtypes. A combination of virus resistance, HA interaction, and molecular dynamics simulation studies elucidated the binding site of these aniline-based influenza fusion inhibitors, which significantly overlaps with the pocket occupied by some H3 HA-specific inhibitors, indicating the high relevance of this cavity for drug design. PMID- 29220569 TI - Crocadepsins-Depsipeptides from the Myxobacterium Chondromyces crocatus Found by a Genome Mining Approach. AB - Analysis of the genome sequence of the myxobacterium Chondromyces crocatus Cm c5 revealed the presence of numerous cryptic megasynthetase gene clusters, one of which we here assign to two previously unknown chlorinated metabolites by a comparative gene inactivation and secondary metabolomics approach. Structure elucidation of these compounds revealed a unique cyclic depsipeptide skeleton featuring beta- and delta-amide bonds of aspartic acid and 3-methyl ornithine moieties, respectively. Insights into their biosynthesis were obtained by targeted gene inactivation and feeding experiments employing isotope-labeled precursors. The compounds were produced ubiquitously by the species Chondromyces crocatus and were found to inhibit the carbon storage regulator-RNA interaction. PMID- 29220570 TI - Neuromicrobiology: How Microbes Influence the Brain. AB - We review here recent discoveries in the exciting new field of neuromicrobiology. This field encompasses the interactions between the microbiome and the central nervous system. The microbiome has a tremendous impact on human health. In particular, the gut microbiota may play a key role in many essential processes in health and disease via the activity of the gut-brain axis, possibly contributing to autism spectrum disorders, Alzheimer's disease, Parkinson's disease, depression, and anxiety disorder. Gut microbes may also be involved in nociception, complex host behaviors, and brain development. Future efforts will be needed to determine whether the observed associations correspond to causative mechanisms, as well as to engineer effective interventions to modulate the effects of the microbiome on the central nervous system. PMID- 29220571 TI - Fluorescent Liquid Metal As a Transformable Biomimetic Chameleon. AB - Liquid metal (LM) is of core interest for a wide variety of newly emerging areas. However, the functional materials thus made so far by LM only could display a single silver-white appearance. In this study, colorful LM marbles working like a transformable biomimetic robot were proposed for the first time and fabricated from LM droplets through encasing them with fluorescent nanoparticles. We demonstrated that this unique LM marble can be manipulated into various stable magnificent appearances as one desires and then split and merge among different colors. Such multifunctional LM is capable of responding to the outside electric stimulus and realizing shape transformation and discoloration behaviors as well. Furthermore, the electric stimuli has been successfully introduced to trigger the release of nano/microparticles from the LM, and the mechanism lying behind was clarified. The present fluorescent LM was expected to offer important opportunities for diverse applications, especially in a wide range of functional smart material areas. PMID- 29220572 TI - Martian Redox Chemistry: Oxygen Reduction in Low-Temperature Magnesium Perchlorate Brines. AB - NASA has a mandate to send humans to Mars by 2033. Recent discoveries regarding Mars include the likely presence of low-temperature liquid brines on the planet's surface. This work investigates redox chemistry in near saturated aqueous 2.8 M Mg(ClO4)2 at temperatures as low as -34 degrees C. These conditions are comparable to those thought to be found on the Martian surface. In particular, electro-reduction of oxygen is studied, and the diffusion coefficient and solubility of this important redox species are established. PMID- 29220573 TI - The Mayonnaise Effect. AB - Structuring caused by the mixing of liquids or the addition of solutes to a solvent causes the viscosity to increase. The classical example is mayonnaise: a mixture of two low-viscosity liquids, water and oil, is structured through the addition of a surfactant creating a dispersed phase, causing the viscosity to increase a thousand-fold. The dramatic increase in viscosity in highly concentrated solutions is a long-standing unsolved problem in physical chemistry. Here we will show that this viscosity increase can be understood in terms of the solute-induced structuring of the first solvation shell, leading to a jamming transition at a critical concentration. As the jamming transition is approached, the viscosity naturally increases according to a Vogel-Fulcher-Tammann type expression. This result calls into question the validity of the Jones-Dole B coefficient as an indicator of the structure making or breaking ability of solutes. PMID- 29220579 TI - Pupillary Responses to Static Images of Men and Women: A Possible Measure of Sexual Interest? AB - The pupil dilates to images that are arousing. In Experiment 1, we examined if the pupil's response to brief presentations (2,000 ms) of static images could be used to identify individuals' sexual orientation. Participants were grouped according to their self-reported gender and sexual orientation (male heterosexual, N = 20; male bisexual, N = 13; male homosexual, N = 19; female heterosexual, N = 28; female bisexual, N = 21; female homosexual, N = 17). Pupil size was monitored to images of men in seminude poses, women in seminude poses, or neutral images. Every group showed the same pattern of responses, with the greatest dilation to male images, then female images, and least dilation to the neutral images. Experiment 2 used more tightly controlled stimuli and tested at two different image durations (150 and 3,000 ms). Both heterosexual men (N = 18) and women (N = 20) showed greater pupil dilation to images of nude men than to nude women. However, in Experiment 3, where we reduced the erotic content by using images of clothed models, both heterosexual men and women showed greater pupil dilation to images of women. The results showed that while the pupil does dilate strongly to sexual imagery, its response to these brief static images does not correspond to a person's sexual orientation in a simple manner. PMID- 29220577 TI - From Solvent-Free to Dilute Electrolytes: Essential Components for a Continuum Theory. AB - The increasing number of experimental observations on highly concentrated electrolytes and ionic liquids show qualitative features that are distinct from dilute or moderately concentrated electrolytes, such as self-assembly, multiple time relaxation, and underscreening, which all impact the emergence of fluid/solid interfaces, and the transport in these systems. Because these phenomena are not captured by existing mean-field models of electrolytes, there is a paramount need for a continuum framework for highly concentrated electrolytes and ionic liquid mixtures. In this work, we present a self consistent spatiotemporal framework for a ternary composition that comprises ions and solvent employing a free energy that consists of short- and long-range interactions, along with an energy dissipation mechanism obtained by Onsager's relations. We show that the model can describe multiple bulk and interfacial morphologies at steady-state. Thus, the dynamic processes in the emergence of distinct morphologies become equally as important as the interactions that are specified by the free energy. The model equations not only provide insights into transport mechanisms beyond the Stokes-Einstein-Smoluchowski relations but also enable qualitative recovery of three distinct regions in the full range of the nonmonotonic electrical screening length that has been recently observed in experiments in which organic solvent is used to dilute ionic liquids. PMID- 29220582 TI - Accounting for Men's Refusal of Heterosex: A Story-Completion Study with Young Adults. AB - In the present study we bring together theory regarding the construction of heterosexuality and masculinities to understand the shifting and changing terrain of heterosexual sex (heterosex). We use inductive qualitative content analysis of story completion data to discover the different ways that heterosex is constructed by the male and female respondents in scenarios where women initiate sex and men, at first, refuse. The stories represented a spectrum of responses that reify and subvert dominant understandings of heterosex. Five major themes were generated from the current data (1) men should initiate sex, (2) he wants to take it slowly, (3) it is natural for men to want sex, (4) it is men's job to look after women, and (5) coercion. We discuss in detail the dominant narratives described by women and men and how they may be shifting. The study thus provides a rich, experience-based representation of heterosexual sexual activity and suggests subtle shifts in how masculinity is managed within heterosexual relationships. PMID- 29220575 TI - Dual-Gated Microparticles for Switchable Antibody Release. AB - We pioneer the design of dual-gated microparticles, both responsive to changes in temperature and pH, for stimuli-responsive chromatography targeted at the efficient separation of antibodies. Dual-gated microspheres were synthesized by introducing RAFT-based thiol-terminal block copolymers of poly(N isopropylacrylamide-b-4-vinylpyridine) (P(NIPAM-b-4VP, 4800 <= Mn/Da <= 10 000, featuring block length ratios of 29:7, 29:15, and 29:30, respectively) by thiol epoxy driven ligation to the surface of poly(glycidyl methacrylate) (PGMA) microparticles (10-12 MUm), whereby the 4-vinylpyridine units within the lateral chain enable protein binding. The switchable protein release abilities of the resulting microparticle resins are demonstrated by adsorption of immunoglobulins at 40 degrees C and pH 8 and their release at 5 degrees C or pH 3, respectively. We demonstrate that P(NIPAM29-b-4VP30)-grafted PGMA particles show a maximum adsorption capacity for immunoglobulins of 18.9 mg mL-1 settled resin at 40 degrees C/pH 8, whereas the adsorption capacity decreased to 7.5 mg mL-1 settled resin at 5 degrees C while retaining the pH value, allowing the unloading of the chromatographic column by a facile temperature switch. Critically, regeneration of the dual-gated microspheres became possible by lowering the pH to 3. PMID- 29220578 TI - PD-1/PD-L1 Pathway Mediates the Alleviation of Pulmonary Fibrosis by Human Mesenchymal Stem Cells in Humanized Mice. AB - Pulmonary fibrosis is a chronic progressive lung disease with few treatments. Human mesenchymal stem cells (MSCs) have been shown to be beneficial in pulmonary fibrosis because they have immunomodulatory capacity. However, there is no reliable model to test the therapeutic effect of human MSCs in vivo. To mimic pulmonary fibrosis in humans, we established a novel bleomycin-induced pulmonary fibrosis model in humanized mice. With this model, the benefit of human MSCs in pulmonary fibrosis and the underlying mechanisms were investigated. In addition, the relevant parameters in patients with pulmonary fibrosis were examined. We demonstrate that human CD8+ T cells were critical for the induction of pulmonary fibrosis in humanized mice. Human MSCs could alleviate pulmonary fibrosis and improve lung function by suppressing bleomycin-induced human T-cell infiltration and proinflammatory cytokine production in the lungs of humanized mice. Importantly, alleviation of pulmonary fibrosis by human MSCs was mediated by the PD-1/programmed death-ligand 1 pathway. Moreover, abnormal PD-1 expression was found in circulating T cells and lung tissues of patients with pulmonary fibrosis. Our study supports the potential benefit of targeting the PD 1/programmed death-ligand 1 pathway in the treatment of pulmonary fibrosis. PMID- 29220583 TI - Elevated Serum Vitamin B12 Levels as a Prognostic Factor for Survival Time in Metastatic Cancer Patients: A Retrospective Study. AB - BACKGROUND: Serum vitamin B12 levels have been proposed as one of the survival prediction factors, although no survival analysis in metastatic cancer patients has been conducted yet. This study examined whether serum vitamin B12 levels could be a prognostic factor in metastatic cancer patients. METHODS: Data from a retrospective chart review were used to perform Kaplan-Meier and multivariate analyses of the Cox proportional hazards. Subgroup analysis was performed on patients without a liver lesion (hepatocellular carcinoma or liver metastasis). RESULTS: A total of 523 patients were included. The median survival time was 1.8 months (mo) in the high B12 group (>911 pg/mL) and 5.1 mo in the normal B12 group (211-911 pg/mL) (p < 0.001). In patients without a liver lesion, the median survival times were 2.1 and 6.1 mo in the high and normal B12 groups, respectively (p < 0.001). Multivariate analysis revealed that serum vitamin B12 level was an independent prognostic factor for overall survival (hazard ratio [HR]: 1.62; 95% confidence interval [CI]: 1.34-1.96, p < 0.001). CONCLUSION: Serum vitamin B12 level can be used to predict survival time in metastatic cancer patients. Further large-scale cohort studies are required to confirm these findings. PMID- 29220574 TI - Nanoplasmonic Alloy of Au/Ag Nanocomposites on Paper Substrate for Biosensing Applications. AB - Plasmonic alloy has attracted much interest in tailoring localized surface plasmon resonance (LSPR) for recent biosensing techniques. In particular, paper based plasmonic substrates allow capillary-driven lateral flow as well as three dimensional metal nanostructures, and therefore they become actively transferred to LSPR-based biosensing such as surface-enhanced Raman spectroscopy (SERS) or metal-enhanced fluorescence (MEF). However, employing plasmonic alloy nanoislands on heat-sensitive substrate is still challenging, which significantly inhibits broad-range tailoring of the plasmon resonance wavelength (PRW) for superior sensitivity. Here we report paper-based plasmonic substrate with plasmonic alloy of Au/Ag nanocomposites for highly sensitive MEF and SERS biosensing applications. The nanofabrication procedures include concurrent deposition of Au and Ag below 100 degrees C without any damage on cellulose fibers. The Au/Ag nanocomposites feature nanoplasmonic alloy with single plasmon peak as well as broad-range tunability of PRW by composition control. This paper-based plasmonic alloy substrate enables about twofold enhancement of fluorescence signals and selective MEF after paper chromatography. The experimental results clearly demonstrate extraordinary enhancement in SERS signals for picomolar detection of folic acid as a cancer biomarker. This new method provides huge opportunities for fabricating plasmonic alloy on heat-sensitive substrate and biosensing applications. PMID- 29220576 TI - Oxygenic Hybrid Semiconducting Nanoparticles for Enhanced Photodynamic Therapy. AB - Photodynamic nanotheranostics has shown great promise for cancer therapy; however, its therapeutic efficacy is limited due to the hypoxia of tumor microenvironment and the unfavorable bioavailability of existing photodynamic agents. We herein develop hybrid core-shell semiconducting nanoparticles (SPN-Ms) that can undergo O2 evolution in hypoxic solid tumor to promote photodynamic process. Such oxygenic nanoparticles are synthesized through a one-pot surface growth reaction and have a unique multilayer structure cored and coated with semiconducting polymer nanoparticles (SPNs) and manganese dioxide (MnO2) nanosheets, respectively. The SPN core serves as both NIR fluorescence imaging and photodynamic agent, while the MnO2 nanosheets act as a sacrificing component to convert H2O2 to O2 under hypoxic and acidic tumor microenvironment. As compared with the uncoated SPN (SPN-0), the oxygenic nanoparticles (SPN-M1) generate 2.68-fold more 1O2 at hypoxic and acidic conditions under NIR laser irradiation at 808 nm. Because of such an oxygen-evolution property, SPN-M1 can effectively eradicate cancer cells both in vitro and in vivo. Our study thus not only reports an in situ synthetic method to coat organic nanoparticles but also develops a tumor-microenvironment-sensitive theranostic nanoagent to overcome hypoxia for amplified therapy. PMID- 29220587 TI - FTO Gene Affects Obesity and Breast Cancer Through Similar Mechanisms: A New Insight into the Molecular Therapeutic Targets. AB - OBJECTIVES: This review focused on the possible mediatory role of the FTO in the association between obesity and breast cancer. METHOD: All articles published in English from June 1990 to January 2017 were studied. The search terms used were FTO gene, FTO polymorphism, breast cancer, and obesity. Inclusion criteria consisted of assessment of the relationship between FTO polymorphisms and/or FTO expression level with obesity and/or breast cancer as a primary outcome. RESULTS: The FTO gene may have a role in the cellular sensing of macronutrients. Over expression of the FTO gene increases the levels of mammalian target of rapamycin (mTOR) signaling that is a key regulator of cell growth. Moreover, some SNPs in intron locations of the FTO gene exert their effects on body mass index, body composition and breast cancer risk through change of the homeobox transcription factor iriquois 3 (IRX3) gene expression level. CONCLUSION: The FTO gene may has a critical role in obesity and breast cancer. Similar molecular mechanisms may play a role in the development of breast cancer and obesity. If this result is correct then, it will be interesting to examine the FTO gene as a molecular therapeutics target. PMID- 29220586 TI - Co-Occurring Psychosocial Problems and Multiple Sexual Partners among Men Who Have Sex with Men in Shanghai, China: A Syndemic Approach. AB - We aimed to apply syndemic theory to verify the association and reinforcing effects between psychosocial problems and multiple sexual partners (MSP) of men who have sex with men (MSM) in Shanghai, China. A cross-sectional study was conducted among 547 MSM in Shanghai, China using a face-to-face survey. Sociodemographic and psychosocial data were collected, as well as information on MSP and condomless anal sex. In the 6 months prior to the survey, 54.3% of the MSM sample had had MSP. Univariate analysis showed that self-esteem, depression, loneliness, sexual compulsivity, and involuntary subordination (IS) were associated with MSP. Sexual compulsivity (multivariate odds ratio [ORm] = 2.94, 95% CI = 1.76-4.91) and IS (ORm = 1.79, 95% CI = 1.14-2.81) remained significant in multivariate analysis. MSM with five or more psychosocial problems had greater odds of (adjusted odds ratios = 3.06, 95% CI = 1.49-6.25) having MSP in the previous 6 months than the non-syndemic group. Our findings provide preliminary confirmation of the additive relationship of syndemic psychosocial health conditions and MSP among MSM in Shanghai, China. An integrated intervention with special focus on sexual compulsivity and IS is needed. PMID- 29220588 TI - Latent Growth Curve and Repeated Measures ANOVA Contrasts: What the Models are Telling You. AB - The relationship between the latent growth curve and repeated measures ANOVA models is often misunderstood. Although a number of investigators have looked into the similarities and differences among these models, a cursory reading of the literature can give the impression that they are very different models. Here we show that each model represents a set of contrasts on the occasion means. We demonstrate that the fixed effects parameters of the estimated basis vector latent growth curve model are merely a transformation of the repeated measures ANOVA fixed effects parameters. We further show that differences in fit in models that estimate the same means structure can be due to the different error covariance structures implied by the model. We show these relationships both algebraically and through using data from a simulation. PMID- 29220581 TI - High-Stakes Collaborative Testing: Why Not? AB - : Phenomenon: Studies of high-stakes collaborative testing remain sparse, especially in medical education. We explored high-stakes collaborative testing in medical education, looking specifically at the experiences of students in established and newly formed teams. APPROACH: Third-year psychiatry students at 5 medical schools across 6 sites participated, with 4 participating as established team sites and 2 as comparison team sites. For the collaborative test, we used the National Board of Medical Examiners Psychiatry subject test, administering it via a 2-stage process. Students at all sites were randomly selected to participate in a focus group, with 8-10 students per site (N = 49). We also examined quantitative data for additional triangulation. FINDINGS: Students described a range of heightened emotions around the collaborative test yet perceived it as valuable regardless if they were in established or newly formed teams. Students described learning about the subject matter, themselves, others, and interpersonal dynamics during collaborative testing. Triangulation of these results via quantitative data supported these themes. Insights: Despite student concerns, high-stakes collaborative tests may be both valuable and feasible. The data suggest that high-stakes tests (tests of learning or summative evaluation) could also become tests for learning or formative evaluation. The paucity of research into this methodology in medical education suggests more research is needed. PMID- 29220584 TI - Detecting Clusters/Communities in Social Networks. AB - Cohen's kappa, a similarity measure for categorical data, has since been applied to problems in the data mining field such as cluster analysis and network link prediction. In this paper, a new application is examined: community detection in networks. A new algorithm is proposed that uses Cohen's kappa as a similarity measure for each pair of nodes; subsequently, the kappa values are then clustered to detect the communities. This paper defines and tests this method on a variety of simulated and real networks. The results are compared with those from eight other community detection algorithms. Results show this new algorithm is consistently among the top performers in classifying data points both on simulated and real networks. Additionally, this is one of the broadest comparative simulations for comparing community detection algorithms to date. PMID- 29220590 TI - Social Desirability Bias in Pornography-Related Self-Reports: The Role of Religion. AB - In a large online survey of undergraduates, we examined the degree to which social desirability concerns might bias pornography-related self-reports and whether these biases are stronger among highly religious participants than among less-religious ones. Recent state-level analyses have put forward a controversial suggestion that religious individuals tend to search for pornography more than their less-religious peers, despite self-reports to the contrary. Such results could be explained by a social-desirability bias against reporting the consumption of pornography, one that applies specifically to religious individuals. Though our findings are limited to undergraduates in the U.S. Midwest, we found some evidence that the desire to positively self-present (as measured by the Marlowe-Crowne social desirability scale) may bias reports of pornography consumption and perceptions of pornography's effects (e.g., perceptions of addictiveness). However, contrary to popular sentiment-and our own hypotheses-we found no evidence for and much evidence against the suggestion that religious individuals have a more pronounced social desirability bias against the reporting of pornography consumption than the irreligious. Interaction terms assessing that possibility were either nonsignificant or significant in the reverse direction. PMID- 29220589 TI - First-Year Internal Medicine Residents' Reflections on Nonmedical Home Visits to High-Risk Patients. AB - PROBLEM: Patients who are high utilizers of care often experience health-related challenges that are not readily visible in an office setting but paramount for residents to learn. A nonmedical home visit performed at the beginning of residency training may help residents better understand social underpinnings related to their patient's health and place subsequent care within the context of the patient's life. INTERVENTION: First-year internal medicine residents completed a nonmedical home visit to an at-risk patient prior to seeing the patient in the office for his or her first medical visit. CONTEXT: We performed a thematic analysis of internal medicine interns' (n = 16) written narratives on their experience of getting to know a complex patient in his or her home prior to seeing the patient for a medical visit. Narratives were written by the residents immediately following the visit and then again at the end of the intern year, to assess for lasting impact of the intervention. Residents were from an urban academic residency program in Baltimore, Maryland, USA. OUTCOME: We identified four themes from the submitted narratives. Residents discussed the visit's impact on future practice, the effect of the community and support system on health, the impact on the depth of the relationship, and the visit as a source of professional fulfillment. Whereas the four themes were present at both time points, the narratives completed immediately following the visit focused more on the themes of impact of future practice and the effect of the community and support system on health. The influence of the home visit on the depth of the relationship was a more prevalent theme in the end-of-the-year narratives. LESSONS LEARNED: Although there is evidence to support the utility of learners completing medical home visits, this exploratory study shows that a nonmedical home visit can be rewarding and formative for early resident physicians. Future studies could examine the patient's perspective on the experience and whether a nonmedical home visit is a valuable tool in other patient populations. PMID- 29220580 TI - The influence of adiposity and acute exercise on circulating hepatokines in normal-weight and overweight/obese men. AB - Hepatokines are liver-secreted proteins with potential to influence glucose regulation and other metabolic parameters. This study investigated differences in adiposity status on 5 novel hepatokines and characterised their response to acute moderate-intensity exercise in groups of normal-weight and overweight/obese men. Twenty-two men were recruited into normal-weight and overweight/obese groups (body mass index: 18.5 to 24.9 and 25.0 to 34.9 kg.m-2). Each completed 2 experimental trials, exercise and control. During exercise trials, participants performed 60 min of moderate-intensity treadmill exercise (~60% peak oxygen uptake) and then rested for 6 h. Participants rested throughout control trials. Circulating fibroblast growth factor-21 (FGF21), follistatin, leukocyte cell derived chemotaxin 2 (LECT2), fetuin-A, and selenoprotein-P (SeP) were measured throughout. Fasted (resting) FGF21 and LECT2 were higher in overweight/obese individuals (129% and 55%; P <= 0.01) and correlated with indices of adiposity and insulin resistance; whereas circulating follistatin was lower in overweight/obese individuals throughout trial days (17%, P < 0.05). In both groups, circulating concentrations of FGF21 and follistatin were transiently elevated after exercise for up to 6 h (P <= 0.02). Circulating fetuin-A and SeP were no different between groups (P >= 0.19) and, along with LECT2, were unaffected by exercise (P >= 0.06). These findings show that increased adiposity is associated with a modified hepatokine profile, which may represent a novel mechanism linking excess adiposity to metabolic health. Furthermore, acute perturbations in circulating FGF21 and follistatin after exercise may contribute to the health benefits of an active lifestyle. PMID- 29220585 TI - "It Takes a Man to Put Me on the Bottom": Gay Men's Experiences of Masculinity and Anal Intercourse. AB - In anal intercourse between gay men, men who are typically insertive ("tops") are often perceived as, and may identify as, more masculine than those who are typically receptive ("bottoms"). "Versatile" men, who may adopt either position, may be perceived as more gender balanced and may transcend the gender-role stereotypes associated with self-labeling as top or bottom. The aim of this study was to explore how gay men's beliefs about masculinity were associated with their beliefs about the gendered nature of sexual self-labels and their behavior in anal intercourse. Individual semistructured interviews were undertaken with 17 UK based gay men. Interpretative phenomenological analysis (IPA) identified that perceptions of tops and bottoms as gendered social identities varied depending on the extent to which gay men subscribed to the mandates of hegemonic masculinity, the dominant masculinity in Western society. The findings also suggested that some gay men differentiated between top and bottom as social identities and topping and bottoming as gendered behaviors. This had implications for gay men's behaviors in anal intercourse. It is suggested that future efforts to engage with gay men about their sexual behavior should account for their beliefs regarding the gender-role stereotypes associated with gay sexual self-labels. PMID- 29220594 TI - Modification of immunological features in human platelets during sepsis. AB - Sepsis is an organic dysfunction that puts at risk the life of patients suffering this disorder due to an exacerbated immunological response to the infection mediated by the host. Platelets have been largely researched on sepsis owing to its role in Disseminated Intracellular Coagulation (DIC) and because thrombocytopenia is an important clinical feature of these patients. Nevertheless, a great number of evidence shows that platelets have also an important role in immunological response since they have pattern recognition receptors, chemokine receptors and granules with stored soluble mediators. In this work, the immunological features of platelets in individuals with sepsis are described. The results show that platelets of these individuals have high levels of surfaces expression of TLR4, CD62P, CD32 and thrombin receptor 1 (PAR-1), these platelets have also greater capability to join Escherichia coli, and show a different profile of soluble mediators (IL-1beta, CD40L and TNF-alpha). Platelets from patients with sepsis form aggregates with neutrophils in circulation, but are unable to induce the production of reactive oxygen species. This research describes important features of platelets to help the understanding of the immunological role of these cells in sepsis. PMID- 29220593 TI - Accounting for Missing Correlation Coefficients in Fixed-Effects MASEM. AB - Meta-analytic structural equation modeling (MASEM) is increasingly applied to advance theories by synthesizing existing findings. MASEM essentially consists of two stages. In Stage 1, a pooled correlation matrix is estimated based on the reported correlation coefficients in the individual studies. In Stage 2, a structural model (such as a path model) is fitted to explain the pooled correlations. Frequently, the individual studies do not provide all the correlation coefficients between the research variables. In this study, we modify the currently optimal MASEM-method to deal with missing correlation coefficients, and compare its performance with existing methods. This study is the first to evaluate the performance of fixed-effects MASEM methods under different levels of missing correlation coefficients. We found that the often used univariate methods performed very poorly, while the multivariate methods performed well overall. PMID- 29220592 TI - Different loci and mRNA copy number of the increased serum survival gene of Escherichia coli. AB - The increased serum survival gene (iss) has been identified as a virulence trait associated with the virulence of Escherichia coli, causing colibacillosis in poultry. However, it remains unclear as to whether iss mRNA copy number and sequence affect virulence. To examine these influences, we assessed the presence of iss, sequence analysis, iss mRNA copy number, and serum resistance. The iss gene was detected in 88 (all) E. coli isolates from different sources, and sequencing identified 16 alleles (32 different loci) and 10 amino acid sequences (10 different loci). Nested polymerase chain reaction improved iss detection. The isolates from sick chickens had >68% livability in serum resistance tests and higher iss mRNA copy number. The iss mRNA copy number highly correlated with mortality and E. coli livability. Student's t tests confirmed the relationship between the different loci to iss transcription, serum resistance, and virulence. These data suggest that iss mRNA copy number and different loci affect the virulence and serum resistance. These findings could be useful in further studies on the prevalence of iss among E. coli isolates and other virulence factors. PMID- 29220591 TI - Cholinergic and cytoprotective signaling cascades mediate the mitigative effect of erythropoietin on acute radiation syndrome. AB - The present investigation aimed to evaluate the radiomitigative efficacy of the recombinant human erythropoietin (EPO) against acute radiation syndrome (ARS) in a rat model. Rats were irradiated with a single sublethal dose of gamma-radiation (7 Gy; total body irradiation; TBI) on the 1st day of experimental course, then received EPO (5000 IU/kg; i.p.) 24 h after irradiation, and rats were observed for 30 days of survival analysis. Administration of EPO improved 30-day survival, alleviated TBI-induced myelosuppression and pancytopenia, by augmenting lymphocytes and other white blood cells in the peripheral blood of rats, while bone marrow and spleen cellularity were restored. EPO post-exposure treatment alleviated hepatotoxicity biomarkers and restored splenic function. EPO abrogated radiation-induced oxidative stress through the upregulation of the cholinergic anti-inflammatory nicotinic acetylcholine receptor (alpha-7-nAChR) and the pro survival Janus kinase-2 and signal transducers and activators of transcription JAK-2/STAT-3 signaling mediated via enhancing nuclear factor erythroid-2 related factor-2 (Nrf-2) cytoprotective machinery in liver and spleen of irradiated rats. Moreover, EPO treatment prevented hepatic and splenic apoptosis. The present study establishes the implication of alpha-7-nAChR-JAK-2/STAT-3-Nrf-2 signaling cascade in the radiomitigative potential of EPO against ARS. PMID- 29220598 TI - Hope for the Future But Fear the Risk of Stigma: Ethiopian Family Caregivers' Lived Experience of Caring for Their HIV Positive Child Two Years After Starting Antiretroviral Treatment. AB - Family caregivers are believed to be the primary source of support for HIV affected children. There is limited evidence about practices of support for caregivers, to strengthen them and to enhance the welfare of HIV positive children, especially in African settings. Our aim was therefore to illuminate caregivers' lived experiences of caring for a child in Ethiopia 2 years after the child was enrolled in antiretroviral therapy. Qualitative interviews with 18 family caregivers of 18 children were performed and analyzed using an inductive design with a hermeneutic phenomenological approach. The family caregivers' lived experience was shown in two main themes comprising "lifelong medication gives hope for the future" and "support challenged by the fear of stigma." The family caregivers experienced hope and dreams for the future as they saw their child as healthy and they had regained normality in life after the child's diagnosis. The caregivers still feared the disclosure of the child's diagnosis, which gave rise to conflicts with the child, the family, and society. Good quality support from the healthcare staff lightened their burdens. Further studies are recommended on the strategies of stigma reduction and developing need-specific modalities to support caregivers in the community. PMID- 29220595 TI - Dose dependent effects of tadalafil and roflumilast on ovalbumin-induced airway hyperresponsiveness in guinea pigs. AB - INTRODUCTION: Chronic obstructive diseases of airways associated with cough and/or airway smooth muscle hyperresponsiveness are usually treated with bronchodilating and anti-inflammatory drugs. Recently, selective phosphodiesterase (PDE) 4 inhibitors have been introduced into the therapy of chronic obstructive pulmonary disease. Several studies have demonstrated their ability to influence the airway reactivity and eosinophilic inflammation by increasing the intracellular cAMP concentrations also in bronchial asthma. Furthermore, the expression of PDE5 in several immune cells suggests perspectives of PDE5 inhibitors in the therapy of inflammation, as well. PURPOSE: The aim of this study was to assess the dose-dependent effects of PDE4 and PDE5 inhibitors in allergic inflammation. Therefore, the effects of 7-days administration of PDE4 inhibitor roflumilast and PDE5 inhibitor tadalafil at two different doses in experimentally-induced allergic inflammation were evaluated. MATERIALS AND METHODS: In the study, male adult guinea pigs were used. Control group was non sensitized. Other animals were sensitized with ovalbumin over two weeks and thereafter treated intraperitoneally for 7 days with roflumilast or tadalafil (daily dose 0.5 mg/kg or 1.0 mg/kg b.w.), or with vehicle. RESULTS: Both roflumilast and tadalafil reduced specific airway resistance after nebulization of histamine (marker of in vivo airway reactivity) at both doses used. The in vitro airway reactivity to cumulative doses of acetylcholine was significantly reduced for roflumilast at higher dose, predominantly in the lung tissue strips. Histamine-induced contractile responses were significantly influenced in both lung and tracheal tissue strips, predominantly at the higher doses. Tadalafil led to a decrease in contractile responses induced by both acetylcholine and histamine, with more significant effects in the lung tissue strips. These changes were associated with decreased numbers of circulating leukocytes and eosinophils and concentrations of interleukin (IL)-4, IL-5 and TNF-alpha in the lung homogenate. CONCLUSIONS: The selective PDE4 and PDE5 inhibitors alleviated allergic airway inflammation, with more significant effects at the higher doses. PMID- 29220602 TI - An Observational Study of Treatment Seeking Users of Natural Opiates from India. AB - BACKGROUND: The type of opioid used influences the severity and complications experienced. Natural opiates (opium and poppy husk) use is a socio-culturally accepted phenomenon reported in India. However, studies on their profile, quality of life, and addiction severity are limited. OBJECTIVES: The objective of this cross-sectional, observational study was to assess the socio-demographic profile, clinical profile, addiction severity, and quality of life of treatment-seeking natural opiate users. METHOD: Hundred subjects aged 18-65 years using opium or poppy husk seeking outpatient treatment at a tertiary addiction treatment center in India were interviewed to collect information on their socio-demography, natural opiate, and other substance use. Additionally, their addiction severity and quality of life were assessed using Addiction Severity Index-Lite and WHO Quality of Life-Bref instrument, respectively. RESULTS: All subjects were male with a mean age of 44.6 (+/-11.0) years. Majority (97%) used poppy husk daily orally. Curiosity/experimentation (63%) was the most common reason for starting opiate use. The past month rates of tobacco, alcohol, cannabis, and sedative hypnotics use was 58%, 33%, 3%, and 12%, respectively. Only 4% injected any opioid. Inability to afford opiates (72%) was the most common reason for seeking treatment. Rates of medical, familial, social, psychological, and legal complications were low, while the WHOQOL-BREF scores fell between 40 and 50 across various domains. Conclusions/Importance: Natural opiate users may constitute distinct subgroup of opioid users with fewer/no complications despite long duration of uninterrupted use. These findings would be important in planning management strategies for people dependent on natural opiates. PMID- 29220603 TI - Evaluating Dispatch-Assisted CPR Using the CARES Registry. AB - OBJECTIVES: Dispatch-assisted cardiopulmonary resuscitation (DA-CPR) has been shown to improve cardiac arrest survival. Recent literature has proposed dispatch metrics for provision of this intervention. Our objectives are to: use the Cardiac Arrest Registry to Enhance Survival (CARES) to compare current practice to proposed DA-CPR guidelines; describe barriers to DA-CPR; and assess the association of DA-CPR with out-of-hospital cardiac arrest (OHCA) survival. METHODS: We reviewed data from structured dispatch reviews of 911 OHCA calls from 1/1/14-12/31/15. Dispatch data including whether dispatch CPR instruction was given, and time intervals to CPR instruction and provision were linked with OHCA data elements from field cardiac arrest process and outcome data. Descriptive data on barriers to dispatch-caller instruction and measures of dispatcher performance were calculated. We compared outcome of patients who received bystander CPR prior to the 911 call (BCPR), after dispatcher CPR instructions (DA CPR), and not until Emergency Medical Services (EMS) arrival (no BCPR). RESULTS: We identified 3335 cases from 32 dispatch agencies in 9 states that had dispatch and outcome data. CPR was performed prior to the 911 call by a bystander in 496 (14.9%) cases. Of all calls where the dispatcher talked to a bystander, dispatchers recognized cardiac arrest in 82.9% cases (1514/1827), with 31.6% calls recognized in <60 seconds. DA-CPR instructions were initiated in most (1320/1514, 87.2%) cases, and cardiac compressions were initiated in 73.7% (973/1320). DA-CPR was performed < two minutes in 21.4% of cases. In a multivariable analysis, BCPR (CPR prior to EMS arrival without instructions given) was associated with significantly improved patient survival (OR = 1.49, 95% CI 1.09, 2.04), and DA-CPR a non-significant improvement in survival to discharge (OR = 1.19, 95% CI 0.91, 1.56). CONCLUSIONS: Temporal measures of dispatch performance were substantially below proposed national standards. In this population, OHCA was frequently recognized and DA-CPR performed but was not associated with a significant improvement in survival. PMID- 29220605 TI - NUT Midline Carcinoma of the Lung in a Six-Year-Old Child. AB - BACKGROUND: Nuclear protein of the testis (NUT) midline carcinoma is genetically defined by rearrangement of NUT or by immunohistochemical expression of NUT. FINDINGS: A 6-year old child had a NUT midline carcinoma of the lung. Despite aggressive therapy, the child died. CONCLUSION: NUT carcinoma, which can be diagnosed immunohistochemically, remains an aggressive tumor. PMID- 29220609 TI - Evaluation of Structured Assessment and Mediating Factors of Suicide-Focused Group Therapy for Veterans Recently Discharged from Inpatient Psychiatry. AB - The current study investigated the impact of adding the Suicide Status Form (SSF) to a suicide-focused group therapy for veterans recently discharged from an inpatient psychiatry setting. A sample of 141 veterans was enrolled and randomized into a Usual Assessment Group Therapy or SSF-Assessment Group Therapy. Participants completed interviews at baseline, 1, and 3 months. No significant differences were observed between groups regarding group attendance (IRR = 1.01, Std. Err = 0.08, 95% CI = 0.87, 1.18) or client satisfaction (beta = 0.23, Std. Err = 0.66, p = 0.73, d = -.25). No main effects were observed across the study on secondary outcomes of interest for suicidal ideation and overall symptom distress, although participants in both treatment conditions reported significant improvements on these outcomes over the course of the study. Patients in the Usual Assessment Group Therapy demonstrated greater reductions in overall symptom distress across the 3-month follow-up window (beta = 6.08, Std. Err = 2.04, p = 0.003; f2 = 0.05). Follow-up path analyses revealed that more frequent session attendance was significantly related to less suicidal ideation at 1-month, higher working alliance between individual members and group facilitators was associated with greater suicidal ideation at 1-month, and higher group cohesion among group members at 1-month was significantly associated with less thwarted belongingness at 1-month. Although the SSF did not improve the impact of an existing suicide focused group therapy, the study findings support future research on group treatments for suicidal veterans. PMID- 29220611 TI - Violent Lives: Pathways Linking Exposure to Violence To Suicidal Behavior in a National Sample. AB - This study explored the extent to which depression, somatic symptoms, and substance use mediated the effects of exposure to violence on suicidal ideation and attempted suicide, and whether these pathways varied across gender, age, and race/ethnicity. Path analysis was conducted on 12,272 adolescents (mean = 15.3 years) from the National Longitudinal Study of Adolescent to Adult Health. The impact of exposure to violence on suicidal ideation was fully mediated, and the impact of exposure to violence on attempted suicide was partially mediated by depression, somatic symptoms, and substance use. Mediating pathways were stronger for females and for younger adolescents. Understanding the impact of exposure to violence on adolescent suicidal behavior requires the consideration of direct, indirect, and conditional indirect effects. PMID- 29220608 TI - Factors that Differentiate Prescription Stimulant Misusers from those At-Risk for Misuse: Expectancies, Perceived Safety, and Diversion. AB - BACKGROUND: The nonmedical use of prescription stimulants (NMUPS) is one of the most prevalent illicit behaviors on college campuses. While numerous risk factors for NMUPS have been identified, it is unknown how nonusing students who meet several risk factors for NMUPS differ from those who have used, which may inform intervention efforts. We expected that users would evidence greater cognitive enhancement and anxiety/arousal expectancies and intentions to use, and lower guilt/dependence expectancies, perceptions of NMUPS-related harm, and academic self-efficacy. METHODS: Between 2014 and 2016, students (N = 121; 65% female) at two demographically dissimilar colleges in the Northeastern and Midwestern United States who reported lifetime NMUPS or endorsed two or more NMUPS risk factors (i.e., recent marijuana use, recent binge drinking, grade point average <3.5, Greek-life involvement, male gender) reported on their prescription stimulant expectancies; academic self-efficacy; perceived harm of NMUPS; lifetime NMUPS; and intentions for NMUPS in the next six months. RESULTS: A MANCOVA showed that at-risk nonusers had lower cognitive expectancies, higher guilt/dependence expectancies, and higher anxiety/arousal expectancies compared to users. ANCOVAs and Chi-square tests showed that nonusers also perceived NMUPS to be more harmful and were less likely to divert their medication if prescribed. The groups did not differ on academic self-efficacy or total number of risk factors endorsed. However, recent marijuana use was more prevalent in users. CONCLUSIONS: Targeted preventive interventions for NMUPS should focus on students who are using marijuana and should aim to maintain lower positive and higher negative stimulant expectancies and reaffirm potential NMUPS-related harms. PMID- 29220607 TI - Case of cone dystrophy with normal fundus appearance associated with biallelic POC1B variants. AB - BACKGROUND: Biallelic variants of POC1B were recently reported to cause autosomal recessive non-syndromic cone dystrophy. However, the number of studies supporting this is limited, and the clinical phenotypes of cone dystrophy have not been definitively determined. The purpose of this study was to report the phenotype of a case of POC1B-associated cone dystrophy. MATERIALS AND METHODS: The medical chart of one case diagnosed with cone dystrophy was reviewed. RESULTS: The patient was a 20-year-old Japanese man whose chief complaint was a progressive decrease in his central vision. His decimal best-corrected visual acuity was 0.2 for the right and 0.3 for the left. Fundus examinations showed no abnormalities. The photopic electroretinograms were nonrecordable, but the scotopic electroretinograms were within normal limits. Optical coherence tomography detected a blurry line in the region of the external limiting membrane and ellipsoid zone. Adaptive optics images showed sparsely distributed cone cells around the fovea. The patient was initially diagnosed with incomplete achromatopsia. Whole-exome sequence with targeted analysis identified new compound heterozygous mutations of c.G1355A (p R452Q) and c.C987A (pY329X) in the POC1B gene. The patient was then diagnosed with cone dystrophy. CONCLUSIONS: The cone dystrophy associated with POC1B variants has features similar to achromatopsia, and genetic analyses is useful in discriminating these two diseases. PMID- 29220597 TI - Dietary NaCl affects bleomycin-induced lung fibrosis in mice. AB - PURPOSE: High levels of NaCl in the diet are associated with both cardiac and renal fibrosis, but whether salt intake affects pulmonary fibrosis has not been examined. AIM OF THE STUDY: To test the hypothesis that salt intake might affect pulmonary fibrosis. MATERIALS AND METHODS: Mice were fed low, normal, or high salt diets for 2 weeks, and then treated with oropharyngeal bleomycin to induce pulmonary fibrosis, or oropharyngeal saline as a control. RESULTS: As determined by collagen staining of lung sections, and protein levels and cell numbers in the bronchoalveolar lavage (BAL) fluid at 21 days after bleomycin, the high salt diet did not exacerbate bleomycin-induced fibrosis, while the low salt diet attenuated fibrosis. For the bleomycin-treated mice, staining of the post-BAL lung sections indicated that compared to the regular salt diet, high salt increased the number of Ly6c-positive macrophages and decreased the number of CD11c and CD206-positive macrophages and dendritic cells. The low salt diet caused bleomycin-induced leukocyte numbers to be similar to control saline-treated mice, but reduced numbers of CD45/collagen-VI positive fibrocytes. In the saline controls, low dietary salt decreased CD11b and CD11c positive cells in lung sections, and high dietary salt increased fibrocytes. CONCLUSIONS: Together, these data suggest the possibility that a low salt diet might attenuate pulmonary fibrosis. PMID- 29220610 TI - Predictors of Alcohol Use during Pregnancy among Women Attending Midwife Obstetric Units in the Cape Metropole, South Africa. AB - INTRODUCTION: Little is known about the nature and extent of substance use among pregnant women in Cape Town (South Africa) despite the very high levels of substance use and related consequences such as FASD in this part of the country. The aim of the study was to determine predictors of alcohol use among pregnant women. METHODS: A cross-sectional survey was conducted among pregnant women attending 11 Midwife Obstetric Units (MOUs) in greater Cape Town. A two-stage cluster survey design was used. In total, 5231 pregnant women were screened to assess self-reported prevalence estimates. Of these, 684 (13.1%) were intentionally sub-sampled and completed an interviewer-administered questionnaire and provided a urine sample for biological screening. Univariate and multivariate statistical procedures were used to determine factors predictive of alcohol use. RESULTS: Findings highlight various demographic, social and partner substance use predictors for both self-reported and biologically verified alcohol use in two different models. Being Coloured, having a marital status other than being married, experiencing violence or aggression in the past 12 months compared to more than 12 months ago, having a partner who drinks, and partner drug use are all independently associated with higher odds of self-reported alcohol use. In contrast, only partner tobacco use is independently associated with higher odds of biologically verified alcohol use. CONCLUSION: Knowing the risk factors for alcohol use in pregnancy is important so that intervention efforts can accurately target those women in need of services. Intervention programs addressing risk factors of high-risk pregnant women are needed. PMID- 29220612 TI - Coexistence of Trisomy 13 and SRY (-) XX Ovotesticular Disorder of Sex Development. AB - INTRODUCTION: Ovotesticular disorder of sex development (OT-DSD) is a rare disorder of sexual differentiation characterized by the presence of both testicular and ovarian tissue in an individual and the majority of cases have been reported with 46,XX karyotype. In 46,XX cases, testicular differentiation may occur due to the translocation of SRY to the X chromosome or to an autosome. CASE REPORT: Herein, we present a female newborn with a combination of trisomy 13 and SRY (-) XX OT-DSD. CONCLUSION: Trisomy 13 is a relatively common and well known chromosomal disorder in which disorders of sexual differentiation are not frequent. In the absence of SRY, overexpression of pro-testis genes, or decreased expression of pro-ovarian/anti-testis genes have been suggested as underlying mechanisms of testicular formation. The findings in this patient were suggestive of an underlying genomic disorder associated with FGF9 and/or SPRY2. PMID- 29220614 TI - Religious Coping and Suicide Risk in a Sample of Recently Returned Veterans. AB - The aim of the present study is to examine religious coping and depression as predictors of suicide risk in a large U.S. veteran sample from recent conflicts. Demographic, military history, depressive symptomatology, positive and negative religious coping and self-reported suicidal behavior were analyzed in a sample of 772 recently returned veterans. Suicide risk was computed as a continuum of risk across 4 separate categories. Negative religious coping was significantly associated with suicide risk, even after statistically controlling for depressive symptomatology and other variables. The present analysis did not find any significant relationships for positive religious coping. No significant gender interaction effects were found. The present findings support the importance of understanding veteran experiences of religious coping, particularly negative religious coping, in the context of suicide prevention efforts. PMID- 29220613 TI - Fully Automated Pipetting Sorting System for Different Morphological Phenotypes of Zebrafish Embryos. AB - Systems biology methods, such as transcriptomics and metabolomics, require large numbers of small model organisms, such as zebrafish embryos. Manual separation of mutant embryos from wild-type embryos is a tedious and time-consuming task that is prone to errors, especially if there are variable phenotypes of a mutant. Here we describe a zebrafish embryo sorting system with two cameras and image processing based on template-matching algorithms. In order to evaluate the system, zebrafish rx3 mutants that lack eyes due to a patterning defect in brain development were separated from their wild-type siblings. These mutants show glucocorticoid deficiency due to pituitary defects and serve as a model for human secondary adrenal insufficiencies. We show that the variable phenotypes of the mutant embryos can be safely distinguished from phenotypic wild-type zebrafish embryos and sorted from one petri dish into another petri dish or into a 96-well microtiter plate. On average, classification of a zebrafish embryo takes approximately 1 s, with a sensitivity and specificity of 87% to 95%, respectively. Other morphological phenotypes may be classified and sorted using similar techniques. PMID- 29220616 TI - Interventions to Improve or Maintain Lower-Limb Function Among Ambulatory Adolescents with Cerebral Palsy: A Cross-Sectional Survey of Current Practice in the UK. AB - OBJECTIVES: To describe physiotherapy management to improve or maintain lower limb function among adolescents with cerebral palsy, classified in Gross Motor Function Classification System levels I-III, in the United Kingdom (UK). METHODS: A list of interventions was identified using a nominal group technique and developed into a survey, which was distributed to approximately 2,100 pediatric physiotherapists in the UK through the Association of Pediatric Chartered Physiotherapists and a private physiotherapy clinic in London between April and June 2015. One-hundred and thirty-five physiotherapists completed the survey. Survey respondents indicated how frequently they used each intervention (i.e., "frequently," "sometimes," "rarely," and "never") in the past year. RESULTS: Provision of explanations to the child, liaison with families, liaison with health professionals, provision of advice to schools, and stretching were the most frequently used interventions with 90%, 90%, 86%, 79%, and 76% of respondents, respectively, reporting that they frequently used each. The interventions most commonly reported as "never" used were conductive education (88%), MOVE programme (85%), functional electrical stimulation (82%), body-weight supported treadmill training (80%), and rebound therapy (71%). CONCLUSIONS: This study suggests that a large number of interventions are used by physiotherapists in the United Kingdom to improve or maintain lower-limb function among adolescents with CP, not all of which are evidence-based. PMID- 29220622 TI - Regimen Difficulty and Medication Non-Adherence and the Interaction Effects of Gender and Age. AB - Medication non-adherence is a global health issue. Numerous factors predict it. This study is aimed to identify the association between regimen difficulty and medication non-adherence among patients with chronic conditions and testing the interaction effects of gender and age on the same. It was a cross-sectional study conducted among 479 outpatients from India. Convenience sampling method was used. Multiple regression analyses were performed to find the predictors of non adherence and to test interaction effects. Regimen difficulty predicted medication non-adherence. The patient's gender and age have interaction effects on the relationship between regimen difficulty and medication non-adherence. PMID- 29220618 TI - Psychological Comfort of Paramedics with Field Death Pronouncement: A National Asian Study to Prepare Paramedics for Field Termination of Resuscitation. AB - OBJECTIVES: Paramedics' decision to terminate field resuscitation without a physician present may depend on personal and external factors. This study investigates factors associated with paramedic psychological comfort with termination of resuscitation (TOR) to inform future training. METHODS: We administered an anonymous survey to all practicing paramedics in a large urban Asian Emergency Medical Services system where formal TOR training had not yet been conducted and field TOR was not routinely applied. The survey assessed psychological comfort using the validated Psychological Comfort Total (PCT) scale (summed score of 28 items, with higher scores representing greater comfort). We examined scores associated with four personal (prior resolution of personal loss, knowledge of survival probability, religious affiliation and experience with death pronouncements) and two external (location of patient and perceived trust of family) factors. Data were entered into Excel and analyzed by t-tests and ANOVA. RESULTS: Response rate was 73.6% (254/345). Respondents were 30.3 years (mean, SD 7.1) with 7.2 years (mean, SD 5.54) of practice experience. Over 60% had been involved in 6 or more field death pronouncements in the prior 12 months. Higher PCT scores were associated with prior resolution of personal loss and knowledge of survival probability. Lower PCT scores were associated with patient location in a public place and perceived family lack of trust. PCT scores were not associated with paramedic religious affiliation or number of prior death pronouncements. CONCLUSIONS: Paramedic psychological comfort with field death pronouncement is associated with personal and external factors. Since paramedic comfort is important for protocol adoption, TOR education should target not only knowledge, but also public arena management, communication skills for engaging with families, and help paramedics resolve prior personal loss. PMID- 29220626 TI - Introductory to Issue 41(1): Navigating Thorny Aspects of Dementia Care: Sex, Money, Cars and More. PMID- 29220621 TI - Quality of Life in Australian Adults Aged 50 Years and Over: Data Using the Schedule for the Evaluation of Individual Quality of Life (SEIQOL-DW). AB - OBJECTIVES: This study explored unique and personal domains associated with quality of life (QOL) in 153 mid-aged and older Australian adults over age 50, using an innovative measure of individualized QOL, the Schedule for the Evaluation of Individual Quality of Life (SEIQOL-DW). METHODS: Demographic measures as well as the SEIQOL-DW were administered. The qualitative responses on this scale were analyzed by Leximancer, a text analysis program that extracts semantic meaning and relational information automatically from text. RESULTS: For the sample as a whole, the most important QOL domain was found to be Relationships, followed by Family, Health, Activities, Community, Security, Beliefs, Independence and finally Wellbeing. When the sample was broken down into age bands for analysis, the most important domain theme was Family (50-59 year olds), Relationships (60-69 year olds), Relationships (70-79 year olds), and Health (80+ year olds). CONCLUSIONS: The wide range of concepts elicited in each domain via Leximancer underscores the argument for analyzing QOL in an individualized way, as it was clear from these concepts that different domains had unique meanings to each person. CLINICAL IMPLICATIONS: Understanding QOL at the level of which domains in an individual are important to QOL in later life is critical to providing services to both healthy aged as well as those with health and mental health needs. The SEIQOL-DW affords clinicians a unique tool with which to describe an individual's unique and relevant quality of life areas, and affords a way to measure change in these areas as a result of interventions. PMID- 29220615 TI - Medication-Assisted Treatment (MAT) for Opioid Addiction: Introduction to the Special Issue. AB - Several countries are experiencing public health crises as a result of opioid addiction. Fatal overdoses have reached record highs in many regions and Hepatitis C virus is the norm among people who inject drugs in several countries. Thus, providing for the global availability of medication-assisted treatment (MAT) for opioid addiction is more important than ever. In this article, we introduce readers to the collection of papers that appear in this special issue on MAT for opioid addiction. We describe the articles and commentaries thematically to include topics that address 1) the contemporary history of methadone maintenance, 2) the provision of and access and barriers to MAT, 3) compliance and outcomes of MAT, 4) health issues among MAT patients, 5) race, ethnicity, and social class backgrounds of MAT patients, 6) criminalization and stigma, and 7) challenges associated with the expansion of MAT. PMID- 29220624 TI - Godly Homonormativity: Christian LGBT Organizing in Contemporary Poland. AB - This article discusses the emergence of Christian LGBT organizing in Poland and the production of what I term godly homonormativity via a particular strand of organizing exemplified by Wiara i Tecza (WiT; Faith and Rainbow). I argue that despite being an important initiative representing people-LGBT Christians-whose voices are often excluded from the mainstream LGBT movement, WiT's project is a largely assimilationist one, seeking acceptance within the existing patriarchal and highly inequitable power relationship of the Catholic Church. Consequently, WiT is generative of a mostly normalizing set of ideas that reinforces rather than challenges heteronormativity and that also colludes with the neoliberal project that promotes "a privileged form of gay life that attempts to replicate aspects of state"-and in the case of WiT church-endorsed "heterosexual primacy and prestige located in the home" (Brown, 2009, p. 1499). PMID- 29220625 TI - Feasibility of Training and Delivering Compassionate Touch in Long-Term Care. AB - OBJECTIVES: Limited evidence supports the use of therapeutic touch for people with dementia (PWD). Interventions incorporating a person-centered approach to touch delivered by staff may benefit PWD and staff in long-term care settings. The Compassionate Touch(r) (CT) program provides skilled human touch and a compassionate presence following a person-centered approach and touch protocol. The purpose of this study was to determine the feasibility of training and delivering CT. METHODS: An online survey was sent via email to 112 staff who attended the CT coach training. Descriptive statistics and thematic analysis were used to analyze closed-and open-ended questions of the survey. RESULTS: Twenty four staff members completed the survey and reported positive perspectives about the training, use of the program, and benefits for PWD and themselves. Five themes emerged, including (1) benefits for residents, (2) challenges in using CT, (3) when to use CT, (4) training staff, and (5) needed support. CONCLUSIONS: Preliminary findings from the present research show potential benefits of using the CT program for residents, challenges participants faced in using the program and training other staff, and support needed to overcome these challenges. CLINICAL IMPLICATIONS: Programs such as CT may benefit PWD and staff in residential care settings. PMID- 29220619 TI - The Effect of Whole-Body Vibration on Lower-Body Resistance Detraining in College Age Women. AB - PURPOSE: This study explored the effect of whole-body vibration (WBV) using accelerations of 2.56 g to 7.68 g on lower-body detraining. METHODS: All participants (N = 20) were trained using a lower-body resistance-training program for 30 min twice per week from Week 0 to Week 6. At the end of the program, they were randomly assigned to a control group that performed no further training or a WBV group that performed a progressive static WBV program. Data for the 5 repetition-maximum (5RM) squat and extensors and flexors of the knee and ankle were collected at Weeks 0, 6, 8, 10, and 12 for all participants. RESULTS: Two way (condition vs. time) analysis of variance revealed that although the WBV group maintained strength in the 5RM from Week 6 through Week 8 and the control group had a lower 5RM in Week 8 from Week 6, no differences in the 5RM squat existed between the groups at Week 8. Two-way factorial multivariate analysis of variance revealed no differences between the groups at any of the time for torque of knee flexion, dorsiflexion, or plantar flexion. CONCLUSION: Static WBV of 2.56 g to 7.68 g did not attenuate detraining of the flexors and extensors of the knee and ankle. PMID- 29220617 TI - Corrigendum. PMID- 29220620 TI - Mediating Peer Teaching for Learning Games: An Action Research Intervention Across Three Consecutive Sport Education Seasons. AB - PURPOSE: The purpose of this study was to provide an integrated analysis of a teacher's peer-teaching mediation strategies, the student-coaches' instruction, and the students' gameplay development across 3 consecutive seasons of sport education. METHOD: Twenty-six 7th-grade students participated in 3 consecutive sport education seasons of invasion games (basketball, handball, and soccer). The research involved 3 action research cycles, 1 per season, and each cycle included the processes of planning, acting and monitoring, reflecting, and fact finding. Data collection consisted of videotape and audiotape records of all 47 lessons, a reflective field diary kept by the first author in the role of teacher researcher, and a total of 24 semistructured focus-group interviews. Trustworthiness criteria for assuring the quality of qualitative research included extensive data triangulation, stakeholders' crosschecking, and collaborative interpretational analysis. RESULTS: Through the application of systematic preparation strategies, student-coaches were able to successfully conduct team instruction that resulted in students' tactical development and improved performance. Aspects such as the study of predominant configurations of players' gameplay and similar tactical principles across games within the same category prevented a setback in the complexity of the learning content addressed at the beginning of each season. Players also showed an increasing ability to adapt gameplay to game conditions. CONCLUSIONS: While sport education has the capacity to develop competent players, different levels of teacher guidance and learners' instructional responsibility are necessary when teaching tactics. PMID- 29220623 TI - The Aging Well through Interaction and Scientific Education (AgeWISE) Program. AB - OBJECTIVE: We conducted a randomized controlled trial of the Aging Well through Interaction and Scientific Education (AgeWISE) program, a 12-week manualized cognitive rehabilitation program designed to provide psychoeducation to older adults about the aging brain, lifestyle factors associated with successful brain aging, and strategies to compensate for age related cognitive decline. METHODS: Forty-nine cognitively intact participants >= 60 years old were randomly assigned to the AgeWISE program (n = 25) or a no-treatment control group (n = 24). Questionnaire data were collected prior to group assignment and post intervention. Two-factor repeated-measures analyses of covariance (ANCOVAs) were used to compare group outcomes. RESULTS: Upon completion, participants in the AgeWISE program reported increases in memory contentment and their sense of control in improving memory; no significant changes were observed in the control group. Surprisingly, participation in the group was not associated with significant changes in knowledge of memory aging, perception of memory ability, or greater use of strategies. CONCLUSIONS: The AgeWISE program was successfully implemented and increased participants' memory contentment and their sense of control in improving memory in advancing age. CLINICAL IMPLICATIONS: This study supports the use of AgeWISE to improve perspectives on healthy cognitive aging. PMID- 29220628 TI - Autobiographical Narration as a Tool for the Empowerment of Older Adults' Subjective and Psychological Wellbeing in Nursing Homes. AB - OBJECTIVES: Conceiving narration as a resource to promote older people's wellbeing, the present work aimed to implement a narrative-based intervention to empower the subjective and psychological wellbeing of older adults living in nursing homes. METHODS: Twenty-one nursing-home residents took part in a narrative training experience consisting of three weekly interview sessions. During each interview, a psychologist helped the participants to construct an autobiographical narrative about their present life in the nursing home based on a Deconstruction-Reconstruction technique. Subjective and psychological wellbeing variables were assessed before and after the intervention. RESULTS: Subjective but not psychological wellbeing increased over the course of the intervention. The participants reported to appreciate the intervention. CONCLUSIONS: Although preliminary, the results suggest that brief narrative training based on narrative therapy can positively affect nursing-home residents' subjective wellbeing. CLINICAL IMPLICATIONS: Brief narrative interventions implementing deconstruction reconstruction techniques are feasible for long-term care residents. PMID- 29220627 TI - Neuropsychological Functioning in Older Adults with Mild Cognitive Impairment and Insomnia Randomized to CBT-I or Control Group. AB - OBJECTIVES: Improving the sleep of older adults with mild cognitive impairment (MCI) represents a first step in discovering whether interventions directed at modifying this risk factor also have the potential to alter the cognitive decline trajectory. METHODS: A six-session, adapted version of a cognitive behavioral therapy for insomnia (CBT-I) was administered to older adults (N = 28; 14 per group) with MCI across two residential facilities. Participants were randomly assigned to either the sleep intervention or an active control group and completed a neuropsychological battery at three time points (e.g., baseline-T1, post-intervention-T2, 4 month follow-up-T3). RESULTS: Results showed a significant improvement in sleep and a change (p < .05) on a key measure of executive functioning sub task of inhibition (Condition 3 of D-KEF Color-Word Interference Test), a positive trend on the inhibition-switching task (p < .10; Condition 4 of D-KEF Color-Word Interference Test), an no change in a measure of verbal memory (HVLT-R Delayed Recall) compared with the active control group. CONCLUSIONS: CBT-I is a nonpharmacological intervention that has the potential to cognitively benefit individuals with MCI suffering from comorbid insomnia. CLINICAL IMPLICATIONS: Results suggest that a non-pharmacological intervention to improve sleep in older adults with MCI also improve cognitive functioning. Further exploration of the mechanisms underlying these improvements is warranted. PMID- 29220629 TI - Personal emergency alarms: do health outcomes differ for purchasers and nonpurchasers? AB - The objective of this study was to assess whether purchasing a personal alarm service makes a difference in a range of health outcomes for community dwelling older adults. The prospective cohort study involved 295 individuals for whom data on emergencies experienced at home were collected over a period of 12 months. Purchasers of alarms, compared to nonpurchasers, benefitted in terms of feeling more safe and secure and being more active around their home. Outcomes experienced after an emergency were similar for both groups with no differences found in terms of time spent on floor, or hospitalizations. PMID- 29220631 TI - Economic Myths Regarding Gay Men and Lesbians. AB - The present research was aimed at developing a measure of economic myths regarding the gay community. Using undergraduate (N = 332) and Amazon Mechanical Turk (N = 212) samples, Study 1 resulted in a 6-item unidimensional and reliable measure, the Economic Myths Regarding Gays Scale (EMGS), that was minimally related to other measures of sexual orientation attitudes. Study 2 (N = 210 undergraduates) found that endorsement of economic myths was associated with system justification beliefs that economic inequalities were natural and due to individual merit; however, general attitudes toward gays showed no such relationships. Study 3 (N = 85 undergraduates) found that unlike general stereotyping, economic myth endorsement increased in response to induced economic threat from the gay community. Collectively, the present research suggests that the EMGS is largely distinct from other measures of attitudes and stereotyping and can potentially widen research regarding sexual orientation. PMID- 29220630 TI - Aging women and men in the medical profession: The effect of gender and marital status on successful aging and retirement intent in Australian doctors. AB - Despite increasing interest from the medical profession in aging and retirement, we know little about effects of gender, marital status, and cohort on aging within the profession. We surveyed 1,048 Australian doctors from "younger" (55 64) and "older" (65-89) cohorts, investigating gender and marital effects on perceptions of successful aging, career, and retirement intent. Women intend to retire earlier. Younger cohort and married women more frequently viewed their career as a calling, while women in general, and single women more frequently, endorsed personal successful aging more than men. Broader understanding of the different experiences of aging for men and women doctors is needed. PMID- 29220636 TI - From the Editor. PMID- 29220635 TI - Letter to the editor. PMID- 29220634 TI - Justification-Suppression and Normative Window of Prejudice as Determinants of Bias Toward Lesbians, Gays, and Bisexual Adoption Applicants. AB - Despite gains in equality for lesbians, gays, and bisexuals (LGB), these couples still face discrimination in adoption scenarios. Guided by the normative window of prejudice and the justification-suppression model, participants read about a suitable or unsuitable couple applying to adopt a child. Participants indicated whether the couple should be allowed to adopt the child and how committed the couple is to being parents. Heterosexuals were perceived as less committed parents compared to LGB parents; sexual orientation was not related to adoption decisions. There was a significant interaction between sexual orientation and suitability for perceptions of commitment to parenting: in the suitable condition, heterosexuals were perceived as less committed parents compared to gays; in the unsuitable condition, heterosexuals were perceived as less committed parents compared to bisexuals. This interaction was nonsignificant for adoption decisions. Future research should determine if these findings relate to other sexual orientations or gender identities. PMID- 29220632 TI - Immunohistochemical Localization of Fibrinogen C Domain Containing 1 on Epithelial and Mucosal Surfaces in Human Tissues. AB - Fibrinogen C domain containing 1 (FIBCD1) is a transmembrane receptor that binds chitin and other acetylated compounds with high affinity. FIBCD1 has previously been shown to be present in the epithelium of the gastrointestinal tract. In the present study, we performed a detailed analysis of normally structured human tissues for the expression of FIBCD1 by quantitative PCR and immunohistochemistry. We find that FIBCD1 is expressed in epithelial cells derived from all three germ layers. Endodermal-derived epithelial cells throughout the gastrointestinal tract and the respiratory system showed high expression of FIBCD1 and also mesodermal-derived cells in the genitourinary system and ectodermal-derived epidermis and sebaceous glands cells expressed FIBCD1. In some columnar epithelial cells, for example, in the salivary gland and gall bladder, the FIBCD1 expression was clearly polarized with strong apical reaction, while other columnar cells, for example, in small and large intestine and in bronchi, the staining was equally strong apically and basolaterally. In keratinocytes in skin, tongue, and oral cavity, the FIBCD1 staining was granular. This expression pattern together with the known binding properties supports that FIBCD1 plays a role in innate immunity in the skin and at mucosal surfaces. PMID- 29220633 TI - Developing Adaptive Treatment Strategies to Address Suicidal Risk in College Students: A Pilot Sequential, Multiple Assignment, Randomized Trial (SMART). AB - This pilot study investigated the potential to utilize adaptive treatment strategies for treating moderate to severe suicidal risk among college students. This article will describe the unique study design and report on feasibility and acceptability findings. A 2-stage Sequential Multiple Assignment Randomized Trial (SMART) was conducted: In Stage 1, 62 suicidal college students were randomized to either a suicide-focused or a treatment-as-usual condition (4-8 weeks). Those deemed insufficient responders were re-randomized to one of two Stage 2 interventions-both suicide-focused but one comprehensive and multimodal and the other flexible and theoretically agnostic (4-16 additional weeks). Recruitment rates were high, treatment dropout levels were lower than expected for the setting, study dropouts were rare, and counselors were able to deliver suicide focused approaches with fidelity. Treatment satisfaction was high among clients and moderately high among counselors. Findings from this pilot show that a SMART is highly feasible and acceptable to suicidal college students, counselors, and campuses. PMID- 29220640 TI - Invariants in probabilistic reasoning. AB - Recent research has identified three invariants or identities that appear to hold in people's probabilistic reasoning: the QQ identity, the addition law identity, and the Bayes rule identity (Costello and Watts, 2014, 2016a, Fisher and Wolfe, 2014, Wang and Busemeyer, 2013, Wang et al., 2014). Each of these identities represent specific agreement with the requirements of normative probability theory; strikingly, these identities seem to hold in people's judgements despite the presence of strong and systematic biases against the requirements of normative probability theory in those very same judgements. These results suggest that the systematic biases seen in people's probabilistic reasoning follow mathematical rules: for these particular identities, these rules cause an overall cancellation of biases and so produce agreement with normative requirements. We assess two competing mathematical models of probabilistic reasoning (the 'probability theory plus noise' model and the 'quantum probability' model) in terms of their ability to account for this pattern of systematic biases and invariant identities. PMID- 29220644 TI - Structure and genetics of the O-specific polysaccharide of Escherichia coli O27. AB - The O-specific polysaccharide (O-antigen) is a part of the lipopolysaccharide on the cell surface of Gram-negative bacteria. The O-polysaccharide was obtained by mild acid hydrolysis of the lipopolysaccharide of Escherichia coli O27 and studied by sugar analysis and Smith degradation along with 1H and 13C NMR spectroscopy. The following structure of the branched hexasaccharide repeating unit was established, which is unique among known structures of bacterial polysaccharides:where GlcA is non-stoichiometrically O-acetylated at position 3 (~22%) or 4 (~37%). Functions of genes in the O-antigen gene cluster of E. coli O27 were tentatively assigned by comparison with sequences in the available databases and found to be consistent with the O-polysaccharide structure. PMID- 29220645 TI - The value of a learning needs analysis to establish educational priorities in a new clinical workforce. AB - A learning needs analysis was undertaken in a newly formed workforce. The goal of the learning needs analysis was to establish both the skill set and educational needs in the nursing workforce prior to moving to a new purpose built facility. The results would then enable nurse educators to develop, plan and deliver appropriate educational strategies. Staff (73%) completed an online survey; the results were collated and analysed. The results of the learning needs analysis suggested an experienced workforce that had great capacity to care for children across a wide spectrum of acute clinical needs. Interestingly the results of the learning needs analysis conflicted with the clinical reality. To investigate possible reasons for this difference we conducted a focus group session with nurse educators. The focus group findings highlighted the significance of change and how that impacted on the clinical capacity of experienced staff. We concluded that the results of the learning needs analysis were representative however they needed careful interpretation in the context of substantial change. PMID- 29220643 TI - Polygenic risk for alcohol consumption and its association with alcohol-related phenotypes: Do stress and life satisfaction moderate these relationships? AB - BACKGROUND: Genetic and environmental factors contribute about equally to alcohol related phenotypes in adulthood. In the present study, we examined whether more stress at home or low satisfaction with life might be associated with heavier drinking or more alcohol-related problems in individuals with a high genetic susceptibility to alcohol use. METHODS: Information on polygenic scores and drinking behavior was available in 6705 adults (65% female; 18-83 years) registered with the Netherlands Twin Register. Polygenic risk scores (PRSs) were constructed for all subjects based on the summary statistics of a large genome wide association meta-analysis on alcohol consumption (grams per day). Outcome measures were quantity of alcohol consumption and alcohol-related problems assessed with the Alcohol Use Disorders Identification Test (AUDIT). Stress at home and life satisfaction were moderating variables whose significance was tested by Generalized Estimating Equation analyses taking familial relatedness, age and sex into account. RESULTS: PRSs for alcohol were significantly associated with quantity of alcohol consumption and alcohol-related problems in the past year (R2=0.11% and 0.10% respectively). Participants who reported to have experienced more stress in the past year and lower life satisfaction, scored higher on alcohol-related problems (R2=0.27% and 0.29 respectively), but not on alcohol consumption. Stress and life satisfaction did not moderate the association between PRSs and the alcohol outcome measures. CONCLUSIONS: There were significant main effects of polygenic scores and of stress and life satisfaction on drinking behavior, but there was no support for PRS-by-stress or PRS-by-life satisfaction interactions on alcohol consumption and alcohol-related problems. PMID- 29220639 TI - Early lumbar puncture and risk of intraventricular hemorrhage in very low birth weight infants. AB - BACKGROUND: Lumbar puncture (LP) is the gold standard for diagnosing meningitis; however it is unknown whether early LP (<=3days of life) is associated with increased risk of intraventricular hemorrhage (IVH) in very low birth weight (VLBW) infants. OBJECTIVE: To determine whether early LP in VLBW infants is associated with severe IVH. METHODS: VLBW infants from a cohort of 1,158,789 infants discharged from 382 neonatal intensive care units (1997-2015) were enrolled. EXCLUSION CRITERIA: infants with major congenital anomalies, outborns, died/transferred prior to day of life 3, and those who had an LP performed only after day of life 3. Logistic regression was used to determine the association between early LP and the incidence of severe IVH (IVH grades 3/4) by 28days of life for each day of life from day 0 (birth) to day 3, adjusting for clinical covariates. RESULTS: 106,461 infants were included: 754 received an LP on Day-0, 640 on Day-1, 559 on Day-2 and 483 on Day-3. Severe IVH occurred in 4% (4130/104,025) of the infants in the no LP group and 9% (217/2436) of the LP group. Severe IVH was higher for infants with early LP: adjusted OR (95% confidence interval)=2.64 (1.96-3.54) on Day-0; 2.21 (1.61-3.04) on Day-1; 1.55 (1.03-2.34) on Day-2; and 2.25 (1.50-3.38) on Day-3. CONCLUSIONS: Early LP was associated with severe IVH in VLBW infants by 28days of life. LP is either a surrogate for an unrecognized factor or is itself associated with an increased risk of IVH. PMID- 29220648 TI - Encoding Allostery in mTOR Signaling: The Structure of the Rag GTPase/Ragulator Complex. AB - In this issue of Molecular Cell, Su et al. (2017) describe the structure of the Rag/Ragulator complex, a key relay in nutrient sensing by mTOR. The structure sheds new light on how signals are conveyed from the lysosome to mTOR. PMID- 29220641 TI - Coronary vascular disease event risk and metabolic syndrome prevalence in patients enrolled in an assertive treatment community program. AB - OBJECTIVE: To examine the risk of coronary vascular disease event (CVDE) and the prevalence metabolic syndrome (MS) and its cardiovascular risk factors (CVRF) in patients with severe mental illnesses enrolled in an assertive treatment community program (ATC) in Spain. METHOD: We carried out a cross-sectional descriptive study with all of the patients included in an ATC program in 2016 in a health area with 547,328 inhabitants in Galicia, Spain. We identified the CVRF in all the individuals, and calculated MS and 10-year CVDE. We also compared the prevalence of all traits in our cohort and the general population. RESULTS: The 10-year median of coronary vascular disease event (CVDE10) was 8.4%. The percentage of individuals with high CVDE10 (>5%) was 41.2% The CVDE10 median was higher in men than women (10.5% vs 5.1%, p<0.001). MS was detected in 50% of patients without differences between men and women (51.2% vs 48.2%). A prevalence of 68% was found for smoking, 55% for dyslipidemia, 47% for obesity, 29% for impaired glucose metabolism, and 38% for hypertension. Women showed a higher prevalence of obesity measured by elevated waist circumference (88.9% vs 55.6%, p=0.003). Men showed a higher prevalence of arterial hypertension (46.6% vs 22.2%, p=0.0001). CONCLUSIONS: The SMD Patients enrolled in ATC programs had a 1.5-times higher prevalence of MS and 8 times higher CVDE10 than those reported in the general population. Individual CVRF were also higher in the SMD patients. Prevention, early detection, and comprehensive treatment are important issues for patients with severe mental illnesses. PMID- 29220647 TI - SnapShot: Lysine Methylation beyond Histones. AB - Lysine methylation is a prevalent post-translational modification (PTM) used by the cell to reversibly regulate protein function. Although it has been extensively studied in the context of histones and the associated chromatin, the remaining methyllysine proteome remains largely unexplored. This SnapShot provides an overview of the current state of lysine methylation research and its emergence as a dynamic PTM occurring on histone and non-histone proteins. PMID- 29220642 TI - Substance use patterns associated with recent exposure to fentanyl among people who inject drugs in Vancouver, Canada: A cross-sectional urine toxicology screening study. AB - INTRODUCTION: Vancouver, Canada is experiencing an opioid overdose crisis where fentanyl, a potent, synthetic opioid contaminating the illicit drug supply, has been detected in the majority of fatal overdose cases. Despite its growing presence throughout North America, few studies have characterized exposure to fentanyl among people who use illicit drugs (PWUD). We sought to identify the prevalence and correlates of fentanyl exposure among PWUD in Vancouver. METHODS: Data were derived from cohort studies of PWUD in Vancouver. In June-October 2016, we administered multi-panel urine drug screens (UDS) to detect recent exposure to fentanyl and eight other substances. Multivariable logistic regression was used to identify substance use patterns associated with recent fentanyl exposure among participants who injected drugs in the past six months (PWID). RESULTS: Among 669 PWUD including 250 (37.4%) females and 452 (67.6%) PWID, 97 (14.5%) tested positive for fentanyl. All these individuals also tested positive for other substances, most commonly for morphine/heroin (89.9%), amphetamine/methamphetamine (75.3%) and cocaine (74.2%). A fentanyl detection rate was significantly higher among PWID (19.7%) compared to non-injection drug users (3.9%) (p<0.001). In multivariable analyses, younger age (adjusted odds ratio [AOR]: 0.96) and testing positive for morphine/heroin (AOR: 6.73), buprenorphine (AOR: 4.25), amphetamine/methamphetamine (AOR: 3.26), cocaine (AOR: 2.92) and cannabis (AOR: 0.52) remained independently associated with fentanyl exposure (all p<0.05). CONCLUSION: With one in five PWID being exposed to fentanyl, there is an urgent need to design and scale up interventions to reduce overdose risk, including a range of opioid agonist therapies. PMID- 29220646 TI - Dissecting Cell-Type Composition and Activity-Dependent Transcriptional State in Mammalian Brains by Massively Parallel Single-Nucleus RNA-Seq. AB - Massively parallel single-cell RNA sequencing can precisely resolve cellular diversity in a high-throughput manner at low cost, but unbiased isolation of intact single cells from complex tissues such as adult mammalian brains is challenging. Here, we integrate sucrose-gradient-assisted purification of nuclei with droplet microfluidics to develop a highly scalable single-nucleus RNA-seq approach (sNucDrop-seq), which is free of enzymatic dissociation and nucleus sorting. By profiling ~18,000 nuclei isolated from cortical tissues of adult mice, we demonstrate that sNucDrop-seq not only accurately reveals neuronal and non-neuronal subtype composition with high sensitivity but also enables in-depth analysis of transient transcriptional states driven by neuronal activity, at single-cell resolution, in vivo. PMID- 29220649 TI - Loud and Clear Epitranscriptomic m1A Signals: Now in Single-Base Resolution. AB - In this issue of Molecular Cell, Li et al. (2017) map N1-methyladenosine (m1A) with base precision, parsing the methylome into subsets differing in location, sequence-structure features, and catalyzing enzymes, thereby aiding functional investigation. PMID- 29220650 TI - The Haystack Is Full of Needles: Technology Rescues Sugars! AB - The recent paper by Stadlmann et al. (2017) provides a novel algorithm for glycoproteomics in which complex glycopeptides can be identified in complex mixtures to aid in characterizing both the site of glycosylation and the glycan structure. PMID- 29220659 TI - Organizing Organoids: Stem Cells Branch Out. AB - In this issue of Cell Stem Cell, Taguchi and Nishinakamura (2017) describe a carefully optimized method for making a branch-competent ureteric bud, a tissue fundamental to kidney development, from mouse embryonic stem cells and human induced pluripotent stem cells. The work illuminates embryology and has important implications for making more realistic kidney organoids. PMID- 29220660 TI - Plasticity in Olfactory Epithelium: Is It a Sniffer or Shape Shifter? AB - Precise lineage trajectories and the cellular sources that contribute to regeneration after injury are largely unknown in many tissues. In this issue of Cell Stem Cell, Gadye et al. (2017) and Lin et al. (2017) show that olfactory epithelial cells transit through unique and unfamiliar paths of differentiation and undergo lineage reversion, respectively, during regeneration. PMID- 29220663 TI - Intermittent Reprogramming: A Breath of Fresh Air for Lung Regeneration. AB - Recently in Stem Cell Reports, Guo et al. (2017) adopted an intermittent reprogramming strategy to generate "induced Progenitor-Like (iPL)" cells, which can maintain lineage commitment while undergoing controlled expansion. The iPLCs were successfully engrafted into a damaged airway, highlighting this significant advancement for regenerative medicine strategies in the lung. PMID- 29220662 TI - iPSC Reprogramming Is Not Just an Open and Shut Case. AB - What exactly happens to chromatin as cells undergo an identity change? In this issue of Cell Stem Cell, Li et al. (2017) and Knaupp et al. (2017) offer new insights by mapping in exquisite detail chromatin accessibility dynamics as mouse embryonic fibroblasts are reprogrammed into induced pluripotent stem cells. PMID- 29220661 TI - Saving Stem Cells after Stress. AB - Inflammatory signals can activate hematopoietic stem cells (HSCs), but how HSCs regain quiescence after stress is unclear. In this issue of Cell Stem Cell, Chen et al. (2017) delineate an elegant histamine-dependent feedback mechanism through which myeloid bone marrow cells restore quiescence of myeloid-biased HSCs, with implications for blood disorders, aging, and immunity. PMID- 29220664 TI - Locked and Loaded: Inflammation Training Prepares Skin Epithelial Stem Cells for Trauma. AB - Memory of a trauma and how to cope with it is useful for acting rapidly in the event of a second traumatic incident. Recently, Naik et al. (2017) reported in Nature that skin epithelial stem cells have this ability by maintaining long-term chromatin features acquired during the first assault. PMID- 29220651 TI - Replication Fork Reversal: Players and Guardians. AB - Replication fork reversal is a rapidly emerging and remarkably frequent mechanism of fork stabilization in response to genotoxic insults. Here, we summarize recent findings that uncover key molecular determinants for reversed fork formation and describe how the homologous recombination factors BRCA1, BRCA2, and RAD51 protect these structures from extended nucleolytic degradation. PMID- 29220655 TI - AID and Reactive Oxygen Species Can Induce DNA Breaks within Human Chromosomal Translocation Fragile Zones. AB - DNA double-strand breaks (DSBs) occurring within fragile zones of less than 200 base pairs account for the formation of the most common human chromosomal translocations in lymphoid malignancies, yet the mechanism of how breaks occur remains unknown. Here, we have transferred human fragile zones into S. cerevisiae in the context of a genetic assay to understand the mechanism leading to DSBs at these sites. Our findings indicate that a combination of factors is required to sensitize these regions. Foremost, DNA strand separation by transcription or increased torsional stress can expose these DNA regions to damage from either the expression of human AID or increased oxidative stress. This damage causes DNA lesions that, if not repaired quickly, are prone to nuclease cleavage, resulting in DSBs. Our results provide mechanistic insight into why human neoplastic translocation fragile DNA sequences are more prone to enzymes or agents that cause longer-lived DNA lesions. PMID- 29220653 TI - A Poly-ADP-Ribose Trigger Releases the Auto-Inhibition of a Chromatin Remodeling Oncogene. AB - DNA damage triggers chromatin remodeling by mechanisms that are poorly understood. The oncogene and chromatin remodeler ALC1/CHD1L massively decompacts chromatin in vivo yet is inactive prior to DNA-damage-mediated PARP1 induction. We show that the interaction of the ALC1 macrodomain with the ATPase module mediates auto-inhibition. PARP1 activation suppresses this inhibitory interaction. Crucially, release from auto-inhibition requires a poly-ADP-ribose (PAR) binding macrodomain. We identify tri-ADP-ribose as a potent PAR-mimic and synthetic allosteric effector that abrogates ATPase-macrodomain interactions, promotes an ungated conformation, and activates the remodeler's ATPase. ALC1 fragments lacking the regulatory macrodomain relax chromatin in vivo without requiring PARP1 activation. Further, the ATPase restricts the macrodomain's interaction with PARP1 under non-DNA damage conditions. Somatic cancer mutants disrupt ALC1's auto-inhibition and activate chromatin remodeling. Our data show that the NAD+-metabolite and nucleic acid PAR triggers ALC1 to drive chromatin relaxation. Modular allostery in this oncogene tightly controls its robust, DNA damage-dependent activation. PMID- 29220669 TI - Modulation of dietary folate with age confers selective hepatocellular epigenetic imprints through DNA methylation. AB - The present study has been designed to determine the effect of folate modulation (deficiency/supplementation) with aging on the promoter methylation of tumor suppressor and proto-oncogenes to understand the underlying mechanism of epigenetic alterations. Folate deficiency was induced for 3 and 5 months in weanling, young and adult groups, and after 3 months of folate deficiency, they were repleted with physiological folate (2 mg/kg diet) and folate oversupplementation (8 mg/kg diet) for another 2 months. The methylation facet in the present study revealed that the combined effect of folate deficiency and aging decreased the methylation index. Folate deficiency with age resulted in the up-regulation of proto-oncogenes (C-MYC and C-JUN) and cell cycle regulator gene Cyclin E as a result of promoter hypomethylation. However, in case of tumor suppressor genes (p53, p15ink4b and p16ink4a), the expression levels were found to be decreased at transcriptional level due to promoter hypermethylation. Upon repletion with physiological folate and folate oversupplementation, we found down regulation of proto-oncogenes and up-regulation of tumor suppressor genes as a result of promoter hypermethylation and hypomethylation, respectively. Deregulation of these important genes due to folate deficiency may contribute toward the pathogenesis at cellular level. PMID- 29220670 TI - QM/MM modeling of the hydrolysis and transfructosylation reactions of fructosyltransferase from Aspergillus japonicas, an enzyme that produces prebiotic fructooligosaccharide. AB - Fructosyltransferases (FTs) act on sucrose by cleaving the beta-(2->1) linkage, releasing glucose, and then transferring the fructosyl group to an acceptor molecule. These enzymes are capable of producing prebiotic fructooligosaccharides (FOSs) that are of industrial interest. While several FOS-synthesizing enzymes FTs have been investigated, their catalytic mechanism is not yet fully understood, especially the molecular details of how FOS are enzymatically synthesized from sucrose. Here, we present a comparative quantum mechanics/molecular mechanics (QM/MM) study on the hydrolysis and transfructosylation reactions catalyzed by A. japonicus FT using sucrose as donor and acceptor substrates. It is shown that the hydrolysis and transfructosylation reactions of the enzyme seem to be competitive with similar potential energy profiles. For all studied reaction steps, the fructosyl ring bound in the -1 position was observed to have a 4E conformation in the oxocarbonium ion-like transition state. Based on the SCC-DFTB/MM simulations of sucrose complexes of wildtype and D191A mutant FT, Asp191 is shown to be responsible for the productive sugar conformation (at subsite -1) required for catalysis. A key interaction, Asp119?nucleophile?1-OH (substrate), is proposed to facilitate the formation of fructosyl-enzyme intermediate. This is the first computational study for understanding the FOS synthesis process, and it can be applicable to related FOS-synthesizing enzymes. PMID- 29220652 TI - Mechanistic Insights into Autoinhibition of the Oncogenic Chromatin Remodeler ALC1. AB - Human ALC1 is an oncogene-encoded chromatin-remodeling enzyme required for DNA repair that possesses a poly(ADP-ribose) (PAR)-binding macro domain. Its engagement with PARylated PARP1 activates ALC1 at sites of DNA damage, but the underlying mechanism remains unclear. Here, we establish a dual role for the macro domain in autoinhibition of ALC1 ATPase activity and coupling to nucleosome mobilization. In the absence of DNA damage, an inactive conformation of the ATPase is maintained by juxtaposition of the macro domain against predominantly the C-terminal ATPase lobe through conserved electrostatic interactions. Mutations within this interface displace the macro domain, constitutively activate the ALC1 ATPase independent of PARylated PARP1, and alter the dynamics of ALC1 recruitment at DNA damage sites. Upon DNA damage, binding of PARylated PARP1 by the macro domain induces a conformational change that relieves autoinhibitory interactions with the ATPase motor, which selectively activates ALC1 remodeling upon recruitment to sites of DNA damage. PMID- 29220666 TI - Chromatin Accessibility Dynamics during iPSC Reprogramming. AB - Cell-fate decisions remain poorly understood at the chromatin level. Here, we map chromatin remodeling dynamics during induction of pluripotent stem cells. ATAC seq profiling of MEFs expressing Oct4-Sox2-Klf4 (OSK) reveals dynamic changes in chromatin states shifting from open to closed (OC) and closed to open (CO), with an initial burst of OC and an ending surge of CO. The OC loci are largely composed of genes associated with a somatic fate, while the CO loci are associated with pluripotency. Factors/conditions known to impede reprogramming prevent OSK-driven OC and skew OC-CO dynamics. While the CO loci are enriched for OSK motifs, the OC loci are not, suggesting alternative mechanisms for chromatin closing. Sap30, a Sin3A corepressor complex component, is required for the OC shift and facilitates reduced H3K27ac deposition at OC loci. These results reveal a chromatin accessibility logic during reprogramming that may apply to other cell fate decisions. PMID- 29220667 TI - Transient and Permanent Reconfiguration of Chromatin and Transcription Factor Occupancy Drive Reprogramming. AB - Somatic cell reprogramming into induced pluripotent stem cells (iPSCs) induces changes in genome architecture reflective of the embryonic stem cell (ESC) state. However, only a small minority of cells typically transition to pluripotency, which has limited our understanding of the process. Here, we characterize the DNA regulatory landscape during reprogramming by time-course profiling of isolated sub-populations of intermediates poised to become iPSCs. Widespread reconfiguration of chromatin states and transcription factor (TF) occupancy occurs early during reprogramming, and cells that fail to reprogram partially retain their original chromatin states. A second wave of reconfiguration occurs just prior to pluripotency acquisition, where a majority of early changes revert to the somatic cell state and many of the changes that define the pluripotent state become established. Our comprehensive characterization of reprogramming associated molecular changes broadens our understanding of this process and sheds light on how TFs access and change the chromatin during cell-fate transitions. PMID- 29220654 TI - A Unique ISR Program Determines Cellular Responses to Chronic Stress. AB - The integrated stress response (ISR) is a homeostatic mechanism induced by endoplasmic reticulum (ER) stress. In acute/transient ER stress, decreased global protein synthesis and increased uORF mRNA translation are followed by normalization of protein synthesis. Here, we report a dramatically different response during chronic ER stress. This chronic ISR program is characterized by persistently elevated uORF mRNA translation and concurrent gene expression reprogramming, which permits simultaneous stress sensing and proteostasis. The program includes PERK-dependent switching to an eIF3-dependent translation initiation mechanism, resulting in partial, but not complete, translational recovery, which, together with transcriptional reprogramming, selectively bolsters expression of proteins with ER functions. Coordination of transcriptional and translational reprogramming prevents ER dysfunction and inhibits "foamy cell" development, thus establishing a molecular basis for understanding human diseases associated with ER dysfunction. PMID- 29220668 TI - Nonmedical prescription opioids and pathways of drug involvement in the US: Generational differences. AB - BACKGROUND: This study sought to specify (1) the position of nonmedical prescription opioids (NMPO) in drug initiation sequences among Millennials (1979 96), Generation X (1964-79), and Baby Boomers (1949-64) and (2) gender and racial/ethnic differences in sequences among Millennials. METHODS: Data are from the 2013-2014 National Surveys on Drug Use and Health (n = 73,026). We identified statistically significant drug initiation sequences involving alcohol/cigarettes, marijuana, NMPO, cocaine, and heroin using a novel method distinguishing significant sequences from patterns expected only due to correlations induced by common liability among drugs. RESULTS: Alcohol/cigarettes followed by marijuana was the most common sequence. NMPO or cocaine use after marijuana, and heroin use after NMPO or cocaine, differed by generation. Among successively younger generations, NMPO after marijuana and heroin after NMPO increased. Millennials were more likely to initiate NMPO than cocaine after marijuana; Generation X and Baby Boomers were less likely (odds ratios = 1.4;0.3;0.2). Millennials were more likely than Generation X and Baby Boomers to use heroin after NMPO (hazards ratios = 7.1;3.4;2.5). In each generation, heroin users were far more likely to start heroin after both NMPO and cocaine than either alone. Sequences were similar by gender. Fewer paths were significant among African-Americans. CONCLUSIONS: NMPOs play a more prominent role in drug initiation sequences among Millennials than prior generations. Among Millennials, NMPO use is more likely than cocaine to follow marijuana use. In all generations, transition to heroin from NMPO significantly occurs only when both NMPO and cocaine have been used. Delineation of drug sequences suggests optimal points in development for prevention and treatment efforts. PMID- 29220658 TI - Multi-omic Mitoprotease Profiling Defines a Role for Oct1p in Coenzyme Q Production. AB - Mitoproteases are becoming recognized as key regulators of diverse mitochondrial functions, although their direct substrates are often difficult to discern. Through multi-omic profiling of diverse Saccharomyces cerevisiae mitoprotease deletion strains, we predicted numerous associations between mitoproteases and distinct mitochondrial processes. These include a strong association between the mitochondrial matrix octapeptidase Oct1p and coenzyme Q (CoQ) biosynthesis-a pathway essential for mitochondrial respiration. Through Edman sequencing and in vitro and in vivo biochemistry, we demonstrated that Oct1p directly processes the N terminus of the CoQ-related methyltransferase, Coq5p, which markedly improves its stability. A single mutation to the Oct1p recognition motif in Coq5p disrupted its processing in vivo, leading to CoQ deficiency and respiratory incompetence. This work defines the Oct1p processing of Coq5p as an essential post-translational event for proper CoQ production. Additionally, our data visualization tool enables efficient exploration of mitoprotease profiles that can serve as the basis for future mechanistic investigations. PMID- 29220656 TI - MPK1/SLT2 Links Multiple Stress Responses with Gene Expression in Budding Yeast by Phosphorylating Tyr1 of the RNAP II CTD. AB - The RNA polymerase II largest subunit C-terminal domain consists of repeated YSPTSPS heptapeptides. The role of tyrosine-1 (Tyr1) remains incompletely understood, as, for example, mutating all Tyr1 residues to Phe (Y1F) is lethal in vertebrates but a related mutant has only a mild phenotype in S. pombe. Here we show that Y1F substitution in budding yeast resulted in a strong slow-growth phenotype. The Y1F strain was also hypersensitive to several different cellular stresses that involve MAP kinase signaling. These phenotypes were all linked to transcriptional changes, and we also identified genetic and biochemical interactions between Tyr1 and both transcription initiation and termination factors. Further studies uncovered defects related to MAP kinase I (Slt2) pathways, and we provide evidence that Slt2 phosphorylates Tyr1 in vitro and in vivo. Our study has thus identified Slt2 as a Tyr1 kinase, and in doing so provided links between stress response activation and Tyr1 phosphorylation. PMID- 29220672 TI - International Humanitarian Law: The legal framework for humanitarian forensic action. AB - In armed conflicts, death is not an exceptional occurrence, but becomes the rule and occurs on a daily basis. Dead bodies are sometimes despoiled, mutilated, abandoned without any funeral rite and without a decent burial. Unidentified remains may be counted by hundreds or thousands. As a result, families look for years for missing relatives, ignorant of the fate of their loved ones. International Humanitarian Law, also called the laws of war or the law of armed conflict, is an international law branch, which has been developed to regulate and, as far as possible, to humanize armed conflicts. It contains a number of clear and concrete obligations incumbent to belligerent parties on the management of dead bodies, which provide the legal framework for humanitarian forensic action. The purpose of this article is to present, in a simple and concise manner, these rules with a view to extrapolate some key legal principles, such as the obligation to respect the dignity of the dead or the right to know the fate of relatives, which shall guide anyone dealing with human remains. PMID- 29220657 TI - hnRNPK Recruits PCGF3/5-PRC1 to the Xist RNA B-Repeat to Establish Polycomb Mediated Chromosomal Silencing. AB - The Polycomb-repressive complexes PRC1 and PRC2 play a key role in chromosome silencing induced by the non-coding RNA Xist. Polycomb recruitment is initiated by the PCGF3/5-PRC1 complex, which catalyzes chromosome-wide H2A lysine 119 ubiquitylation, signaling recruitment of other PRC1 complexes, and PRC2. However, the molecular mechanism for PCGF3/5-PRC1 recruitment by Xist RNA is not understood. Here we define the Xist RNA Polycomb Interaction Domain (XR-PID), a 600 nt sequence encompassing the Xist B-repeat element. Deletion of XR-PID abolishes Xist-dependent Polycomb recruitment, in turn abrogating Xist-mediated gene silencing and reversing Xist-induced chromatin inaccessibility. We identify the RNA-binding protein hnRNPK as the principal XR-PID binding factor required to recruit PCGF3/5-PRC1. Accordingly, synthetically tethering hnRNPK to Xist RNA lacking XR-PID is sufficient for Xist-dependent Polycomb recruitment. Our findings define a key pathway for Polycomb recruitment by Xist RNA, providing important insights into mechanisms of chromatin modification by non-coding RNA. PMID- 29220665 TI - mTORC1 Activation during Repeated Regeneration Impairs Somatic Stem Cell Maintenance. AB - The balance between self-renewal and differentiation ensures long-term maintenance of stem cell (SC) pools in regenerating epithelial tissues. This balance is challenged during periods of high regenerative pressure and is often compromised in aged animals. Here, we show that target of rapamycin (TOR) signaling is a key regulator of SC loss during repeated regenerative episodes. In response to regenerative stimuli, SCs in the intestinal epithelium of the fly and in the tracheal epithelium of mice exhibit transient activation of TOR signaling. Although this activation is required for SCs to rapidly proliferate in response to damage, repeated rounds of damage lead to SC loss. Consistently, age-related SC loss in the mouse trachea and in muscle can be prevented by pharmacologic or genetic inhibition, respectively, of mammalian target of rapamycin complex 1 (mTORC1) signaling. These findings highlight an evolutionarily conserved role of TOR signaling in SC function and identify repeated rounds of mTORC1 activation as a driver of age-related SC decline. PMID- 29220671 TI - Structural comparison among the 2013-2017 avian influenza A H5N6 hemagglutinin proteins: A computational study with epidemiological implications. AB - Avian influenza viruses easily spread allowing viral re-assortment to simply occur which in-turn increases the potential for a pandemic. A novel 2013 H5N6 influenza strain was detected among the avian population and was reported to continuously evolve, however, this was never structurally demonstrated. Here, we elucidated the putative structural evolution of the novel H5N6 influenza strain. Throughout this study, we analyzed 2013-2017 H5N6 HA protein models. Model quality was first verified before further analyses and structural comparison was made using superimposition. We found that Leu was inserted at position 1291 among the 2013-2015 models while Leu was not inserted among the 2016-2017 models. Moreover, presence of Leu at position 1291 shifts residue E1261 by 159.6 degrees affecting nearby residues which may explain the difference between the 2013-2015 and 2016-2017 HA structural groups. Similarly, we believe that our results would support the hypothesis that the current H5N6 strain is still continuously evolving. PMID- 29220673 TI - De Novo Variants in GRIA4 Lead to Intellectual Disability with or without Seizures and Gait Abnormalities. AB - Using trio whole-exome sequencing, we have identified de novo heterozygous pathogenic variants in GRIA4 in five unrelated individuals with intellectual disability and other symptoms. GRIA4 encodes an AMPA receptor subunit known as GluR4, which is found on excitatory glutamatergic synapses and is important for learning and memory. Four of the variants are located in the highly conserved SYTANLAAF motif in the transmembrane protein M3, and the fifth is in an extra cellular domain. Molecular modeling of the altered protein showed that three of the variants in the SYTANLAAF motif orient toward the center of the pore region and most likely lead to disturbance of the gating mechanism. The fourth variant in the SYTANLAAF motif most likely results in reduced permeability. The variant in the extracellular domain potentially interferes with the binding between the monomers. On the basis of clinical information and genetic results, and the fact that other subunits of the AMPA receptor have already been associated with neurodevelopmental disorders, we suggest that pathogenic de novo variants in GRIA4 lead to intellectual disability with or without seizures, gait abnormalities, problems of social behavior, and other variable features. PMID- 29220675 TI - Exome-wide Association Study Identifies GREB1L Mutations in Congenital Kidney Malformations. PMID- 29220678 TI - Allelic Expression Imbalance Promoting a Mutant PEX6 Allele Causes Zellweger Spectrum Disorder. AB - Zellweger spectrum disorders (ZSDs) are autosomal-recessive disorders that are caused by defects in peroxisome biogenesis due to bi-allelic mutations in any of 13 different PEX genes. Here, we identified seven unrelated individuals affected with an apparent dominant ZSD in whom a heterozygous mutant PEX6 allele (c.2578C>T [p.Arg860Trp]) was overrepresented due to allelic expression imbalance (AEI). We demonstrated that AEI of PEX6 is a common phenomenon and is correlated with heterozygosity for a frequent variant in the 3' untranslated region (UTR) of the mutant allele, which disrupts the most distal of two polyadenylation sites. Asymptomatic parents, who were heterozygous for PEX c.2578C>T, did not show AEI and were homozygous for the 3' UTR variant. Overexpression models confirmed that the overrepresentation of the pathogenic PEX6 c.2578T variant compared to wild type PEX6 c.2578C results in a peroxisome biogenesis defect and thus constitutes the cause of disease in the affected individuals. AEI promoting the overrepresentation of a mutant allele might also play a role in other autosomal recessive disorders, in which only one heterozygous pathogenic variant is identified. PMID- 29220679 TI - Interaction between pre-treatment drug use and heterogeneity of psychiatric diagnosis predicts outcomes in outpatients with co-occurring disorders. AB - We examined whether the interaction of baseline stimulant use, assessed by urine drug tests, and type of serious mental illness (SMI) diagnosis predicted stimulant use in a trial of contingency management (CM). The interaction between baseline stimulant use and SMI diagnoses was significant in the overall sample (p=0.002) when controlling for the main effects of treatment condition, baseline stimulant use, and SMI diagnosis. Similar results were also found within the CM sample. Individuals with bipolar disorder were more or less likely, depending on their baseline stimulant-drug test results, to use stimulants during treatment compared to those with other SMI diagnoses. PMID- 29220681 TI - Experience of caregiving and coping strategies in caregivers of adolescents with an eating disorder: A comparative study. AB - Caring for a relative with an eating disorder (ED) is associated with heightened psychological distress, which, according to a stress-coping model, may be influenced by coping and appraisal. However, limited quantitative studies have assessed coping in ED caregivers. This cross-sectional study aims to assess 1) the differences in coping between caregivers of three groups: patients with an ED, patients with a substance use disorder, and healthy teens, and 2) the patient and caregiver variables associated with coping and appraisal of the caregiving experience. A one-way MANOVA was significant for caregiver group for mothers, but not fathers. Mothers of both patient groups used more self-sufficient problem focused coping than mothers of healthy teens. Patient caregivers did not significantly differ from caregivers of healthy teens in their use of avoidance. Mothers used social support strategies more than fathers. A positive experience of caregiving was significantly associated with the use of approach-oriented coping in ED caregivers and a negative experience of caregiving was significantly associated with avoidance in ED mothers. Older ED caregivers were less likely to use avoidance. Future interventions could help ED caregivers to recognize their coping preferences and how to appropriately use these strategies when faced with illness-related stressors. PMID- 29220682 TI - Searching online to buy commonly prescribed psychiatric drugs. AB - The use of online pharmacies to purchase prescription drugs is increasing. The patient experience when searching to buy commonly prescribed psychiatric drugs was investigated. Using the search term "buy [drug name] online" in Google, 38 frequently prescribed drugs, including 13 with a high potential for abuse, were searched by brand and generic names. The first page of results were analyzed, including with pharmacy certification checkers and ICANN WHOIS. Search results for all drugs yielded 167 pharmacies, of which 147 (88%) did not require a prescription. Considering all searches, the average number of pharmacies requiring a prescription was 2.7 for a brand name drug and 2.4 for a generic name. A phrase like "buy without a prescription" usually appeared on the search results page. All results for drugs with a high potential for abuse were for illegal pharmacies. Information from certification agencies was often conflicting. Most pharmacies were registered internationally. Patients searching online to purchase prescription psychiatric drugs are presented predominantly with illegal pharmacies, and find conflicting certification data. Patient education should address typical search results. Societal pressures may increase the use of online pharmacies including prescription drug costs, stigma, loss of trust in expert opinion, and the changing patient role. PMID- 29220677 TI - A Powerful Approach to Estimating Annotation-Stratified Genetic Covariance via GWAS Summary Statistics. AB - Despite the success of large-scale genome-wide association studies (GWASs) on complex traits, our understanding of their genetic architecture is far from complete. Jointly modeling multiple traits' genetic profiles has provided insights into the shared genetic basis of many complex traits. However, large scale inference sets a high bar for both statistical power and biological interpretability. Here we introduce a principled framework to estimate annotation stratified genetic covariance between traits using GWAS summary statistics. Through theoretical and numerical analyses, we demonstrate that our method provides accurate covariance estimates, thereby enabling researchers to dissect both the shared and distinct genetic architecture across traits to better understand their etiologies. Among 50 complex traits with publicly accessible GWAS summary statistics (Ntotal~ 4.5 million), we identified more than 170 pairs with statistically significant genetic covariance. In particular, we found strong genetic covariance between late-onset Alzheimer disease (LOAD) and amyotrophic lateral sclerosis (ALS), two major neurodegenerative diseases, in single nucleotide polymorphisms (SNPs) with high minor allele frequencies and in SNPs located in the predicted functional genome. Joint analysis of LOAD, ALS, and other traits highlights LOAD's correlation with cognitive traits and hints at an autoimmune component for ALS. PMID- 29220674 TI - ACTB Loss-of-Function Mutations Result in a Pleiotropic Developmental Disorder. AB - ACTB encodes beta-actin, an abundant cytoskeletal housekeeping protein. In humans, postulated gain-of-function missense mutations cause Baraitser-Winter syndrome (BRWS), characterized by intellectual disability, cortical malformations, coloboma, sensorineural deafness, and typical facial features. To date, the consequences of loss-of-function ACTB mutations have not been proven conclusively. We describe heterozygous ACTB deletions and nonsense and frameshift mutations in 33 individuals with developmental delay, apparent intellectual disability, increased frequency of internal organ malformations (including those of the heart and the renal tract), growth retardation, and a recognizable facial gestalt (interrupted wavy eyebrows, dense eyelashes, wide nose, wide mouth, and a prominent chin) that is distinct from characteristics of individuals with BRWS. Strikingly, this spectrum overlaps with that of several chromatin-remodeling developmental disorders. In wild-type mouse embryos, beta-actin expression was prominent in the kidney, heart, and brain. ACTB mRNA expression levels in lymphoblastic lines and fibroblasts derived from affected individuals were decreased in comparison to those in control cells. Fibroblasts derived from an affected individual and ACTB siRNA knockdown in wild-type fibroblasts showed altered cell shape and migration, consistent with known roles of cytoplasmic beta actin. We also demonstrate that ACTB haploinsufficiency leads to reduced cell proliferation, altered expression of cell-cycle genes, and decreased amounts of nuclear, but not cytoplasmic, beta-actin. In conclusion, we show that heterozygous loss-of-function ACTB mutations cause a distinct pleiotropic malformation syndrome with intellectual disability. Our biological studies suggest that a critically reduced amount of this protein alters cell shape, migration, proliferation, and gene expression to the detriment of brain, heart, and kidney development. PMID- 29220680 TI - Adherence to physical activity recommendations and physical and mental health risk in people with severe mental illness in Uganda. AB - This study investigated cardio-metabolic risk factors among patients with severe mental illness who do or do not meet the recommendations of 150min per week of physical activity. A secondary aim was to assess whether those that do meet the recommendations report lower levels of mental health symptoms. 107 (60?) Ugandan in- and outpatients (mean age=34.4 +/- 9.7 years) with severe mental illness (depression=7, bipolar disorder=55, schizophrenia=45) completed the Physical Activity Vital Sign (PAVS) method and Brief Symptoms Inventory -18. Participants were also screened for abdominal obesity (waist circumference>90cm), overweight (body mass index>=25) and hypertension (systolic pressure>=140mmHg and/or diastolic pressure>=90mmHg).48.6% (n = 52) of patients met the physical activity recommendations as assessed by the PAVS method. 41.1% (n = 44) were overweight, 40.2% (n = 43) had abdominal obesity and 23.4% (n = 25) had hypertension. Those who did not meet the physical activity recommendations were significantly older, had a higher BSI-18 somatisation score, and had a higher risk of overweight [relative risk (RR) = 2.88, 95% confidence interval (CI) = 1.59-4.99], abdominal obesity (RR = 1.82, 95%CI = 1.13-2.93), and hypertension (RR = 2.16, 95%CI = 0.99 4.73). The PAVS is a feasible method of assessing physical activity among patients with severe mental illness in a low resource setting. The PAVS may have clinical utility for physical and mental health risk stratification. PMID- 29220683 TI - Psychological pathway to suicidal ideation among people living with HIV/AIDS in China: A structural equation model. AB - People living with HIV/AIDS (PLWHA) have higher rates of suicide than does the general population. It is critical to interpret the intricate relationships among various psychological variables that increase the risk of suicidal ideation among PLWHA in China. An institutional based cross-sectional study was conducted from Jul to Aug 2016 in Nanjing, China, using a self-reporting questionnaire. A total of 465 PLWHA participated. Sociodemographic, psychological variables and suicide information about the participants were collected. Structural equation modeling (SEM)-path analysis was used to analyze the cross-sectional data. The final structural equation model had a highly satisfactory fit. Among PLWHA, perceived stigma had the greatest accumulated total effect on suicidal ideation, with both a direct effect and indirect effect through self-esteem and depression. Additionally, self-esteem had the second greatest total effect on suicidal ideation and was influenced by social support. Depression contributed directly to suicidal ideation and partly mediated the association of perceived stigma and self-esteem with suicidal ideation. These findings suggest that self-esteem and depression, particularly perceived stigma, play important roles in suicidal ideation among PLWHA. Enhancing personal self-esteem or social support might also reduce perceived stigma and may be an important target for intervention to decrease suicidal ideation among PLWHA. PMID- 29220684 TI - Predictors of remission from PTSD symptoms after sexual and non-sexual trauma in the community: A mediated survival-analytic approach. AB - Epidemiological data on the chronicity of posttraumatic stress disorder (PTSD) symptoms in relation to trauma type and underlying pathways are rare. The current study explored how PTSD symptoms change over time across different trauma types and examined mediators of their persistence. A trauma-exposed community sample, whereof approximately one quarter met diagnostic criteria for PTSD, provided retrospective data on the duration of PTSD symptoms. Those who remitted and those who had not at the time of assessment were compared regarding worst trauma, symptom severity, comorbidity, demographic and treatment-seeking variables. Time to remission was estimated using Cox proportional hazard models including candidate predictors of remission. A mediated survival analysis was used to explore indirect pathways that explain trauma-specific differences in remission times. Both the full sample and PTSD subgroup were analyzed separately. Overall, lower socio-economic status, lifetime and childhood sexual trauma, symptom severity, comorbid depression and past treatment were associated with non- and longer remissions. PTSD avoidance symptoms and comorbid depression were found to mediate longer remission times after lifetime or childhood sexual trauma. Our findings provide insight into the mechanisms and complicating factors of remission from PTSD symptoms after trauma, which might have important implications for therapeutic interventions. PMID- 29220685 TI - Parental psychopathology, adult attachment and risk of 12-month suicidal behaviours. AB - BACKGROUND: The mechanisms by which parental psychopathology and vulnerability to suicide is transmitted to offspring is not well understood. parental psychopathology and behaviour may impact upon the normal emotional and psychological adjustment of their offspring in various ways. Research shows attachment insecurities may also be a key factor in the facilitation of suicidal behaviours. OBJECTIVE: To examine adult attachment insecurities as a potential mediating pathway between parental psychopathology and 12-month suicidality. METHOD: The study utilized data from the National co-morbidity Survey-Replication (NCS-R, N = 5692). Parental psychopathology was assessed using items from the Familial History of Psychiatric Disorders section of the NSC-R in conjunction with items designed to capture dimensions of attachment and suicidal behaviours. RESULTS: Resultant analyses demonstrated specificity effects in that, parental psychopathology was associated with specific suicidal components through specific dimensions of attachment. DISCUSSION: The results align with literature linking parental psychopathology to both attachment insecurities and risk of suicide. Crucially, this study bridges these research areas by presenting attachment insecurity as possible risk indicator and intervening factor between parental mental health and behaviour and specific indicators of suicide. PMID- 29220676 TI - Penetrance of Polygenic Obesity Susceptibility Loci across the Body Mass Index Distribution. AB - A growing number of single-nucleotide polymorphisms (SNPs) have been associated with body mass index (BMI) and obesity, but whether the effects of these obesity susceptibility loci are uniform across the BMI distribution remains unclear. We studied the effects of 37 BMI-associated SNPs in 75,230 adults of European ancestry across BMI percentiles by using conditional quantile regression (CQR) and meta-regression (MR) models. The effects of nine SNPs (24%)-rs1421085 (FTO; p = 8.69 * 10-15), rs6235 (PCSK1; p = 7.11 * 10-6), rs7903146 (TCF7L2; p = 9.60 * 10-6), rs11873305 (MC4R; p = 5.08 * 10-5), rs12617233 (FANCL; p = 5.30 * 10-5), rs11672660 (GIPR; p = 1.64 * 10-4), rs997295 (MAP2K5; p = 3.25 * 10-4), rs6499653 (FTO; p = 6.23 * 10-4), and rs3824755 (NT5C2; p = 7.90 * 10-4)-increased significantly across the sample BMI distribution. We showed that such increases stemmed from unadjusted gene interactions that enhanced the effects of SNPs in persons with a high BMI. When 125 height-associated SNPs were analyzed for comparison, only one (<1%), rs6219 (IGF1, p = 1.80 * 10-4), showed effects that varied significantly across height percentiles. Cumulative gene scores of these SNPs (GS-BMI and GS-height) showed that only GS-BMI had effects that increased significantly across the sample distribution (BMI: p = 7.03 * 10-37; height: p = 0.499). Overall, these findings underscore the importance of gene-gene and gene environment interactions in shaping the genetic architecture of BMI and advance a method for detecting such interactions by using only the sample outcome distribution. PMID- 29220689 TI - Preparation of magnetically recoverable bentonite-Fe3O4-MnO2 composite particles for Cd(II) removal from aqueous solutions. AB - In this study, bentonite-Fe3O4-MnO2 composite was synthesized by combining bentonite with Fe3O4 and MnO2 through co-precipitation. Vibrating-sample magnetometry, scanning electron microscopy with energy-dispersive X-ray spectrometry, transmission electron microscopy, Brunauer-Emmett-Teller measurements, and X-ray powder diffraction techniques were used to characterize the composite. The composite consists of Fe3O4 nanoparticles orderly assembled on the surface of bentonite and an outer layer of MnO2 sheets. The composite's particles possess a saturation magnetization of 13.4-30.5 emu/g and a high specific surface area (203.89 m2/g). The adsorption behaviors of the composite in Cd(II) removal were evaluated by batch equilibrium experiments. Kinetic and isothermal data fit well the pseudo-second-order and the Freundlich models, respectively. Adsorption reached equilibrium within 30 min, and the Freundlich capacity of the composite was 35.35 mg/g. The adsorption capacity of Cd(II) increased with increasing pH and was dependent on the ionic strength. Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy showed the combination of surface hydroxyl groups of the composite and Cd(II) in the solution. The prepared composite can be easily recycled and reused by taking advantage of its magnetic properties. The results show that the designed composite is a promising absorbent for the treatment of Cd-contaminated water. PMID- 29220690 TI - On the selectivity, specificity and signalling potential of the long-distance movement of messenger RNA. AB - Messenger RNA (mRNA) can move through the vascular system in plants. Until recently the transport of mRNA had been demonstrated only for a few well documented cases, leading to the suggestion that transport was selective and specific. The extent of this long-distance transport has now been shown to be on the genomic scale with thousands of transcripts covering broad regions of gene ontological space. In light of this recent data, I revisit proposed mechanisms of transport of mRNA and critically assess their potential role in signalling. PMID- 29220686 TI - Broadening the photoresponsive activity of anatase titanium dioxide particles via decoration with partial gold shells. AB - Titanium dioxide (TiO2) has gained increasing interest in materials research due to its outstanding properties and promising applications in a wide range of fields. From this perspective, we report the synthesis of custom-designed anatase TiO2 submicrometer particles coated with partial Au shells (ATiO2-AuShl). The synthetic strategy used herein yields uniformly shaped monodisperse particles. Amorphous TiO2 core particles were synthesized using template-free oxidation and hydrolysis of titanium nitride (TiN); subsequent hydrothermal treatment generated anatase TiO2 (ATiO2) particles. Coating ATiO2 particles with partial Au shells was accomplished using a simple seeded-growth method. Evaluation of the optical properties of these ATiO2-AuShl particles showed that these submicrometer composites exhibited an intense absorption peak for TiO2 in the UV region (~326 nm) and a broad extinction band in the visible range (~650 nm) arising from the incomplete Au shell. These ATiO2-AuShl composite particles provide a unique and effective means for broadening the optical response of TiO2-based nano- and micron-scale materials. The simplicity of our synthetic method should broaden the application of ATiO2-AuShl particles in various visible light-driven technologies. PMID- 29220688 TI - Effects of surface modification and size on oral drug delivery of mesoporous silica formulation. AB - The surface chemistry and size of nanoparticles can greatly impact their interaction with biological pathways and alter efficacy. However, the interplay between surface modification and particle size has not been well investigated especially for oral delivery. It is necessary to maximize the bioavailability of loading therapeutics. Here, we prepared different sized mesoporous silica nanoparticles (100-500 nm) and conjugated them with polyethylenimine-coated carbondots (PCD) for effective transepithelial absorption. The nanoparticles were also coated with polyethylene glycol (PEG) polymers for improved mucus permeability. These mesoporous silica nanoparticles conjugated to PCD and coated in PEG (MSN@PCD@PEG) were used to study the influence of particle size and surface chemistry on transepithelial transport and bioavailability. Results demonstrated that the MSN@PCD@PEG with a diameter 250 nm had the highest transepithelial transport and oral bioavailability compared to other formulations. Drug release, endocytosis pathways, transepithelial transport and degradation of these different nanocarriers were systematically studied in order to investigate effects of size variety. The findings indicated that nanoparticle based oral drug delivery can be potentially improved by adjusting physicochemical properties. We believe that understanding the importance of surface chemistry and particle size in the oral delivery will improve nanoparticle engineering and oral application. PMID- 29220691 TI - Bioaccumulation of oil compounds in the high-Arctic copepod Calanus hyperboreus. AB - Oil and gas exploration in the Arctic will increase the risk for accidental oil spills and thereby have a potential impact on the ecosystem and the organisms inhabiting these areas. Lipid rich copepods are an important food source for higher trophic levels in Arctic marine ecosystems. However, high lipid content and a slower metabolism increase the risk for bioaccumulation in Arctic species. Here we exposed three late development stages of the lipid rich high-Arctic copepod species Calanus hyperboreus to two different 14C-marked crude oil model compounds, the alkane dodecane (log Kow 6.10) and the polycyclic aromatic hydrocarbon (PAH) phenanthrene (log Kow 4.46) on a short-term scale of 4days. Exposure was followed by a depuration phase of 3days. We observed a difference in estimated bioaccumulation of the two model compounds between stages and found a slower depuration of dodecane than of phenanthrene in the two largest and most lipid rich stages. However, depuration of dodecane and phenanthrene was non significant for all three stages. The results indicate that even short-term exposure may result in long-term bioaccumulation and internal exposure of oil compounds in the lipid rich high-Arctic copepods C. hyperboreus. Slow elimination and depuration of oil components indicate a risk for transfer of oil component up the food web to pelagic fish, seabirds and baleen whales. PMID- 29220687 TI - Development of a novel functional core-shell-shell nanoparticles: From design to anti-bacterial applications. AB - This article reports the synthesis and functionalization of a novel CuO@SiO2 APTES@Ag0 core-shell-shell material using a simple and low-cost process. The growth, design strategies and synthesis approach are the key factors for the development of CuO@SiO2-APTES@Ag0 as efficient material with enhanced antibacterial activity. We investigated the morphology, surface charge, structure and stability of our new core-shell-shell by atomic force microscopy, scanning electron microscopy, energy dispersive X-ray, Fourier transform infrared and UV visible spectroscopies, zeta potential measurements, and differential scanning calorimetry. The covalent surface grafting of APTES (3 (aminopropyl)triethoxysilane) onto CuO@SiO2 involving electrostatic interactions was confirmed. Size measurements and Scanning electron images showed that both APTES grafting and SiO2/Ag shells dropped on the surface of CuO produced structural compaction. UV-Vis spectroscopy proved to be a fast and convenient way to optically detect SiO2 shell on the surface of colloids. Additionally, the Ag decorated CuO@SiO2-APTES surfaces were found to possess antibacterial activity and thermally more stable than undecorated surfaces. CuO@SiO2-APTES@Ag0 core shell had antibacterial properties against Gram-positive bacteria making it a promising candidate for antibacterial applications. PMID- 29220692 TI - PLAG alleviates chemotherapy-induced thrombocytopenia via promotion of megakaryocyte/erythrocyte progenitor differentiation in mice. AB - Previously, PLAG (1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, acetylated diglyceride) was reported to have an effect on the proliferation of hematopoietic stem cells (HSCs) or to contribute to the prevention of chemotherapy-induced neutropenia. In this study, we examined the role of PLAG in the differentiation of bone marrow cells from HSCs into progenitor cells in mice. After 15days, the lineage-negative cells, especially megakaryocyte/erythrocyte progenitors (MEP), were significantly increased in mice that received daily PLAG administration compared to those in the untreated mice. Furthermore, we explored the possibility that the PLAG-induced increase in MEP will contribute to reduction of chemotherapy-induced thrombocytopenia (CIT) in a thrombocytopenia mouse model. Mice were administrated 5-fluorouracil (5-FU) and PLAG. After 7days, bone marrow cells were analyzed. Treatment with 5-FU powerfully decreased myeloid precursor populations and treatment with 5-FU/PLAG resulted in reduction of decreased myeloid progenitor cell numbers. In addition, numbers of circulating platelets were also increased by PLAG treatment. Taken together, PLAG plays a role in differentiating HSCs toward MEP and alleviating chemotherapy-induced bone marrow cell reduction. Thus PLAG shows its potential to augment the therapeutic effect of anti-cancer drugs-induced thrombocytopenia. PMID- 29220694 TI - Impulsive responding in threat and reward contexts as a function of PTSD symptoms and trait disinhibition. AB - We examined current posttraumatic stress disorder (PTSD) symptoms, trait disinhibition, and affective context as contributors to impulsive and self destructive behavior in 94 trauma-exposed Veterans. Participants completed an affective Go/No-Go task (GNG) with different emotional contexts (threat, reward, and a multidimensional threat/reward condition) and current PTSD, trait disinhibition, and risky/self-destructive behavior measures. PTSD interacted with trait disinhibition to explain recent engagement in risky/self-destructive behavior, with Veterans scoring high on trait disinhibition and current PTSD symptoms reporting the highest levels of these behaviors. On the GNG task, commission errors were also associated with the interaction of PTSD symptoms and trait disinhibition. Specifically, PTSD symptoms were associated with greater commission errors in threat vs. reward contexts for individuals who were low on trait disinhibition. In contrast, veterans high on PTSD and trait disinhibition exhibited the greatest number of commission errors in the multidimensional affective context that involved both threat and reward processing. Results highlight the interactive effects of PTSD and disinhibited personality traits, as well as threat and reward systems, as risk factors for impulsive and self destructive behavior in trauma-exposed groups. Findings have clinical implications for understanding heterogeneity in the expression of PTSD and its association with disinhibited behavior. PMID- 29220693 TI - Type 1 von Willebrand disease due to a vicinal cysteine loss (p.C524Y) disclosed after a thrombotic episode. PMID- 29220695 TI - Altered resting state functional connectivity in early course schizophrenia. AB - Impaired connectivity is proposed to underlie pathophysiology of schizophrenia. Existing studies on functional connectivity show inconsistent results. We examined functional connectivity in a clinically homogenous sample of 34 early course schizophrenia patients compared with/to 19 healthy controls using resting state functional magnetic resonance imaging (rsfMRI). Mean duration of illness for schizophrenia patients was 4 +/- 1.78 years. Following a comprehensive clinical assessment, rsfMRI data were acquired using a 3.0 T magnetic resonance imaging scanner, and analyzed using FSL version 5.01 software (FMRIB's Software Library, www.fmrib.ox.ac.uk/fsl). Compared to healthy controls, schizophrenia patients had significantly decreased functional connectivity in the left fronto parietal network, lateral and medial visual network, motor network, default mode network and auditory network. Our data suggests significant functional hypoconnectivity in selected brain networks in early schizophrenia patients compared to controls. It is likely that the observed functional hypoconnectivity may be associated with features of schizophrenia other than those examined in this study. It is possible that hypoconnectivity is necessary but not sufficient to the clinical manifestation of schizophrenia. The examination of functional connectivity as a biomarker should be extended to a wider array of disease phenotypes to better understand its significance. PMID- 29220701 TI - Molecular criteria for mutagenesis by DNA methylation: Some computational elucidations. AB - Alkylating agents and N-nitroso compounds are well-known mutagens and carcinogens which act by alkylating DNA at the nucleobase moieties. Criteria for mutagenicity through DNA alkylation include (a) absence of the Watson-Crick (N1-guanine and N3 thymine) protons, (b) rotation of the alkyl group away from the H-bonding zone, (c) configuration of the alkylated base pair close to the Watson-Crick type. This computational study brings together these three molecular criteria for the first time. Three methylated DNA bases-N7-methylguanine, O6-methylguanine and O4 methylthymine-are studied using computational chemical methods. Watson-Crick proton loss is predicted more feasible for the mutagenic O6-methylguanine and O4 methylthymine than for the non-mutagenic N7-methylguanine in agreement with the observed trend for pKa values. Attainment of a conformer conducive to mutagenesis is more feasible for O6-methylguanine than for O4-methylthymine, though the latter is more mutagenic. These methylated bases yield 9 H-bonded pairs with normal DNA bases. At biological pH, O6-methylguanine and O4-methylthymine would yield stable mutagenic pairs having Watson-Crick type configuration by H-bonded pairing with thymine and guanine respectively, while N7-methylguanine would yield a non-mutagenic pair with cytosine. The three criteria thus well differentiate the non-mutagenic N7-methylguanine from the mutagenic O6-methylguanine and O4 methylthymine in good accord with experimental observations. PMID- 29220696 TI - Cardioprotection of CAPE-oNO2 against myocardial ischemia/reperfusion induced ROS generation via regulating the SIRT1/eNOS/NF-kappaB pathway in vivo and in vitro. AB - Caffeic acid phenethyl ester (CAPE) could ameliorate myocardial ischemia/reperfusion injury (MIRI) by various mechanisms, but there hadn't been any reports on that CAPE could regulate silent information regulator 1 (SIRT1) and endothelial nitric oxide synthase (eNOS) to exert cardioprotective effect. The present study aimed to investigate the cardioprotective potential of caffeic acid o-nitro phenethyl ester (CAPE-oNO2) on MIRI and the possible mechanism based on the positive control of CAPE. The SD rats were subjected to left coronary artery ischemia /reperfusion (IR) and the H9c2 cell cultured in hypoxia/reoxygenation (HR) to induce the MIRI model. Prior to the procedure, vehicle, CAPE or CAPE-oNO2 were treated in the absence or presence of a SIRT1 inhibitor nicotinamide (NAM) and an eNOS inhibitor Nomega-nitro-L-arginine methyl ester (L-NAME). In vivo, CAPE and CAPE-oNO2 conferred a cardioprotective effect as shown by reduced myocardial infarct size, cardiac marker enzymes and structural abnormalities. From immunohistochemical and sirius red staining, above two compounds ameliorated the TNF-alpha release and collagen deposition of IR rat hearts. They could agitate SIRT1 and eNOS expression, and consequently enhance NO release and suppress NF-kappaB signaling, to reduce the malondialdehyde content and cell necrosis. In vitro, they could inhibit HR-induced H9c2 cell apoptosis and ROS generation by activating SIRT1/eNOS pathway and inhabiting NF-kappaB expression. Emphatically, CAPE-oNO2 presented the stronger cardioprotection than CAPE both in vivo and in vitro. However, NAM and L-NAME eliminated the CAPE-oNO2 mediated cardioprotection by restraining SIRT1 and eNOS expression, respectively. It suggested that CAPE-oNO2 ameliorated MIRI by suppressing the oxidative stress, inflammatory response, fibrosis and necrocytosis via the SIRT1/eNOS/NF-kappaB pathway. PMID- 29220702 TI - The effect of subjective awareness measures on performance in artificial grammar learning task. AB - Systematic research into implicit learning requires well-developed awareness measurement techniques. Recently, trial-by-trial measures have been widely used. However, they can increase complexity of a study because they are an additional experimental variable. We tested the effects of these measures on performance in artificial grammar learning study. Four groups of participants were assigned to different awareness measures conditions: confidence ratings, post-decision wagering, decision strategy attribution or none. Decision-strategy-attribution participants demonstrated better grammar learning and longer response times compared to controls. They also exhibited a conservative bias. Grammaticality by itself was a stronger predictor of strings endorsement in decision-strategy attribution group compared to other groups. Confidence ratings and post-decision wagering only affected the response times. These results were supported by an additional experiment that used a balanced chunk strength design. We conclude that a decision-strategy-attribution procedure may force participants to adopt an analytical decision-making strategy and rely mostly on conscious knowledge of artificial grammar. PMID- 29220700 TI - Prognostic importance of Aurora Kinases and mitotic spindle genes transcript levels in Myelodysplastic syndrome. AB - Myelodysplastic syndrome (MDS) are a heterogeneous group of clonal disease characterized by insufficiency of bone marrow, increase of apoptosis and increased risk of acute leukemia progression. Proteins related to the mitotic spindle (AURKA, AURKB, TPX2), to the mitotic checkpoint (MAD2, CDC20) and the regulation of the cell cycle (p21) are directly related to chromosomal stability and tumor development. This study aimed to evaluate the mRNA expression levels of these genes in 101 MDS patients using a real-time PCR methodology. We identified that CDC20 expression are increased in patients with dysmegakaryopoiesis (p=0.024), thrombocytopenia (p=0.000) and high-risk patients (p=0.014, 0.018) MAD2 expression are decreased in patients with 2 or 3 cytopenias (p=0.000) and neutrophil below 800/mm3. TPX2 is also overexpressed in patients presenting dysmegakaryopoiesis (p=0.009). A decrease in AURKA and AURKB expression were observed in patients with altered karyotype (p=0.000), who presented dysplasia in 3 lineages (p=0.000; 0.017) and hemoglobin inferior to 8g/dL (p=0.024). The expression of AURKA, AURKB and MAD2 (p=0.000; 0.001; 0.025) were decreased in patients with hypoplastic MDS, associated with high frequency of chromosomal alterations and high mortality rate. This study reaffirms the importance of aurora kinases and mitotic spindle genes to the pathogenesis and clinical evolution of MDS. PMID- 29220704 TI - How do peers influence BMI? Evidence from randomly assigned classrooms in South Korea. AB - Obesity among children is an important public health concern, and social networks may play a role in students' habits that increase the likelihood of being overweight. We examine data from South Korean middle schools, where students are randomly assigned to classrooms, and exploit the variation in peer body mass index. We use the number of peers' siblings as an instrument to account for endogeneity concerns and measurement error. Heavier peers increase the likelihood that a student is heavier; there is no spurious correlation for height, which is unlikely to have peer contagion. Public policy that targets obesity can have spillovers through social networks. PMID- 29220703 TI - Referral to specialist physiotherapists in the management of whiplash associated disorders: Perspectives of healthcare practitioners. AB - BACKGROUND: Guidelines for whiplash associated disorders (WAD) recommend early referral to specialists (e.g. specialist physiotherapists) of people who are not recovering. This recommendation is a key component of a proposed clinical pathway of care for WAD. OBJECTIVE: To explore healthcare practitioners' opinions about referral to specialist physiotherapists of people with WAD at high risk of non recovery. DESIGN: Qualitative descriptive study. METHODS: Six focus groups were conducted among primary care allied-health practitioners (n = 16) and specialist physiotherapists (n = 12) in New South Wales and Queensland, Australia. Discussions were audio recorded and transcribed for thematic analysis. RESULTS: Ten themes were generated from analysis. Practitioners appeared to have good knowledge of indicators for referral; however, referrals were often made to the medical practitioner, less commonly to specialist physiotherapists. There was general support for referral to specialist physiotherapists, which was deemed as a viable alternative for people who are not recovering. Practitioners, however, had differing views about the attributes of a specialist physiotherapist and referral timeframe. A number of factors have been identified to influence the referral process and practitioners expressed specific expectations of the desired outcomes of referral as well as considerations for specialist management approaches. There was strong support for a collaborative approach in management that involved the referring practitioner. CONCLUSION: Results support the feasibility of referral to specialist physiotherapists despite limited uptake in practice and recognised barriers to referral. These findings have implications for further study and adopting strategies to facilitate effective implementation and translation of the proposed pathway into primary care practice. PMID- 29220697 TI - Metabolism of hydrogen sulfide (H2S) and Production of Reactive Sulfur Species (RSS) by superoxide dismutase. AB - Reactive sulfur species (RSS) such as H2S, HS*, H2Sn, (n = 2-7) and HS2*- are chemically similar to H2O and the reactive oxygen species (ROS) HO*, H2O2, O2*- and act on common biological effectors. RSS were present in evolution long before ROS, and because both are metabolized by catalase it has been suggested that "antioxidant" enzymes originally evolved to regulate RSS and may continue to do so today. Here we examined RSS metabolism by Cu/Zn superoxide dismutase (SOD) using amperometric electrodes for dissolved H2S, a polysulfide-specific fluorescent probe (SSP4), and mass spectrometry to identify specific polysulfides (H2S2-H2S5). H2S was concentration- and oxygen-dependently oxidized by 1MUM SOD to polysulfides (mainly H2S2, and to a lesser extent H2S3 and H2S5) with an EC50 of approximately 380MUM H2S. H2S concentrations > 750MUM inhibited SOD oxidation (IC50 = 1.25mM) with complete inhibition when H2S > 1.75mM. Polysulfides were not metabolized by SOD. SOD oxidation preferred dissolved H2S over hydrosulfide anion (HS-), whereas HS- inhibited polysulfide production. In hypoxia, other possible electron donors such as nitrate, nitrite, sulfite, sulfate, thiosulfate and metabisulfite were ineffective. Manganese SOD also catalyzed H2S oxidation to form polysulfides, but did not metabolize polysulfides indicating common attributes of these SODs. These experiments suggest that, unlike the well-known SOD-mediated dismutation of two O2*- to form H2O2 and O2, SOD catalyzes a reaction using H2S and O2 to form persulfide. These can then combine in various ways to form polysulfides and sulfur oxides. It is also possible that H2S (or polysulfides) interact/react with SOD cysteines to affect catalytic activity or to directly contribute to sulfide metabolism. Our studies suggest that H2S metabolism by SOD may have been an ancient mechanism to detoxify sulfide or to regulate RSS and along with catalase may continue to do so in contemporary organisms. PMID- 29220706 TI - Swing voting in the 2016 presidential election in counties where midlife mortality has been rising in white non-Hispanic Americans. AB - Understanding the effects of widespread disruption of the social fabric on public health outcomes can provide insight into the forces that drive major political realignment. Our objective was to estimate the association between increases in mortality in middle-aged non-Hispanic white adults from 1999 to 2005 to 2009 2015, health inequalities in life expectancy by income, and the surge in support for the Republican Party in pivotal US counties in the 2016 presidential election. We conducted a longitudinal ecological study in 2764 US counties from 1999 to 2016. Increases in mortality were measured using age-specific (45-54 years of age) all-cause mortality from 1999 to 2005 to 2009-2015 at the county level. Support for the Republican Party was measured as the party's vote share in the presidential election in 2016 adjusted for results in 2008 and 2012. We found a significant up-turn in mortality from 1999 to 2005 to 2009-2015 in counties where the Democratic Party won twice (2008 and 2012) but where the Republican Party won in 2016 (+10.7/100,000), as compared to those in which the Democratic Party won in 2016 (-15.7/100,000). An increase in mortality of 15.2/100,000 was associated with a significant (p < 0.001) 1% vote swing from the 2008-2012 average to 2016. We also found that counties with wider health inequalities in life expectancy were more likely to vote Republican in 2016, regardless of the previous voting patterns. Counties with worsening premature mortality in the last 15 years and wider health inequalities shifted votes toward the Republican Party presidential candidate. Further understanding of causes of unanticipated deterioration in health in the general population can inform social policy. PMID- 29220705 TI - Therapeutic landscapes and longevity: Wellness tourism in Bama. AB - Due to the rising demand for healthcare products and concern over environmental pollution, wellness tourism has been booming in China in recent years. The therapeutic landscape theory provides a multi-scale interpretation of wellness tourism to explore how wellness tourists achieve health in healing places. By presenting the results of 83 interviews conducted in Bama, China, this study reveals that the "longevity village" Bama, endorsed by centenarians, provides a retreat that combines natural beauty and a harmonious neighbourhood for wellness tourists. This article argues that although three themes-natural environment, social interaction and symbolic landscape-work together in the healing process of tourists, the symbolic landscape, which is significantly shaped by the longevity culture, plays a dominant role. Longevity in Chinese culture symbolizes the alignment of a strong body, graceful mind, and pleasant habitat. Furthermore, tourism reinforces the importance of symbols and imagination (of a place), the perception of longevity demonstrates the symbolic landscape and thus increases tourists' attachment to the place, and the unusual environment leads to a different therapeutic landscape from that of daily life. Finally, since to date there has been very few works on therapeutic landscapes in China, it is expected that this study will fill the knowledge gap and broaden the scope of application as well as conceptualization of the therapeutic landscape. PMID- 29220698 TI - Synergistic interaction of fatty acids and oxysterols impairs mitochondrial function and limits liver adaptation during nafld progression. AB - The complete mechanism accounting for the progression from simple steatosis to steatohepatitis in nonalcoholic fatty liver disease (NAFLD) has not been elucidated. Lipotoxicity refers to cellular injury caused by hepatic free fatty acids (FFAs) and cholesterol accumulation. Excess cholesterol autoxidizes to oxysterols during oxidative stress conditions. We hypothesize that interaction of FAs and cholesterol derivatives may primarily impair mitochondrial function and affect biogenesis adaptation during NAFLD progression. We demonstrated that the accumulation of specific non-enzymatic oxysterols in the liver of animals fed high-fat+high-cholesterol diet induces mitochondrial damage and depletion of proteins of the respiratory chain complexes. When tested in vitro, 5alpha cholestane-3beta,5,6beta-triol (triol) combined to FFAs was able to reduce respiration in isolated liver mitochondria, induced apoptosis in primary hepatocytes, and down-regulated transcription factors involved in mitochondrial biogenesis. Finally, a lower protein content in the mitochondrial respiratory chain complexes was observed in human non-alcoholic steatohepatitis. In conclusion, hepatic accumulation of FFAs and non-enzymatic oxysterols synergistically facilitates development and progression of NAFLD by impairing mitochondrial function, energy balance and biogenesis adaptation to chronic injury. PMID- 29220707 TI - Hunter-gatherer health and development policy: How the promotion of sedentism worsens the Agta's health outcomes. AB - Many hunter-gatherer groups live on the outskirts of wider society, experiencing poor health outcomes with little access to medical care. From a development perspective, key interventions include the sedentarisation of these mobile peoples into camps nearby larger towns with sanitation infrastructure and medical care, as increased access to services is assumed to improve outcomes. However, recent research in the Agta (Philippine foragers from North-east Luzon) has demonstrated that individuals residing in more 'developed' communities suffer from increased morbidity and mortality. Here, using quantitative and ethnographic data on health collected between 2002 and 2014, we explore why this trend occurs by examining the relationship between key development initiatives with self reported illness and the uptake of medical interventions with 415 Agta men, women and children. We demonstrate that health outcomes worsen as sedentarisation progresses, despite some increases in medical access. We argue this is because the development paradigm is not evidence-based, but rather stems from an ideological dislike of mobile hunter-gatherer lifestyles. Compounded by cultural insensitivity and daily discrimination, current interventions are ill-suited to the unique needs of hunter-gatherers, and thus ineffective. Based on our findings we offer future short and long-term policy suggestions which seek to reduce the Agta's vulnerability, rather than increase it. PMID- 29220710 TI - Life satisfaction and its associated factors among money boys in China. AB - OBJECTIVES: Money Boy (MB) is a unique term used in China referring to a specialized population of men who sell sex to other men. Life satisfaction can influence one's health-related behaviors. The aim of our study was to find out the situation of MBs' life satisfaction and its associated factors. STUDY DESIGN: A cross-sectional study among MBs was conducted between July and December 2013 in Hunan province, China. METHODS: Respondent-driven sampling method was used for recruitment, with the initial seven 'seeds' found from a gay dating website, and 234 participants were enrolled into the study. They were asked to complete a questionnaire about their demographic characteristics, work experience as MB, family environment, health-related behaviors, status of self-esteem, self-stigma, and perceived life satisfaction. Descriptive statistics and multiple linear regression analysis were applied. RESULTS: There were 205 valid questionnaires collected. The results showed that MBs' life satisfaction score was 17.9 +/- 6.3. The multiple linear regression model identified five factors correlated with MBs' life satisfaction. Three factors were found to be positively correlated with life satisfaction, consistent condom use with clients (beta = 3.093, P = 0.010), interpersonal relationship (beta = 1.027, P = 0.017), and self-esteem (beta = 0.253, P = 0.005). And two factors were found to be negatively correlated with life satisfaction, seeking for clients through mommy's arrangement (beta = 2.091, P = 0.019) and had ever gotten at least one kind of sexually transmitted disease (STDs) (beta = -1.971, P = 0.034). CONCLUSIONS: The present study contributed to a better understanding of MBs' life satisfaction and behavioral and other psychosocial features. It is suggested that comprehensive interventions involving behavioral and psychosocial health promotion approaches are needed for this population. Those programs will be more acceptable among this group and tend to be sustainable. PMID- 29220712 TI - Characteristics of Romanian women who enrolled in a postpartum tobacco smoking relapse prevention trial. PMID- 29220709 TI - Self-reported influenza vaccination rates and attitudes towards vaccination among health care workers: results of a survey in a German university hospital. AB - OBJECTIVES: The objective of this survey was to analyse vaccination rates and attitudes towards vaccination among health care workers (HCWs). The period prevalence of self-reported acute respiratory infections in the influenza season 2014/2015 was examined. STUDY DESIGN: A cross-sectional study was conducted among HCWs of a German university hospital using an anonymised questionnaire. Recruitment was performed by providing all medical and nursing staff a paper questionnaire with an invitation to participate. METHODS: Descriptive aggregated data were generated from digitalised questionnaires for all variables. Differences in categorical variables were analysed by Chi-squared test. Textual data were analysed by an iterative process based on the grounded theory by Glaser and Strauss. RESULTS: The response rate was 31% (677/2186). Probable influenza was described by 9% (64/677) of the participants. The overall self-reported vaccination rate was 55% (366/666). Self-reported vaccination rate was higher in physicians (172/239, 72%) than in nursing staff (188/418, 45%). HCWs in paediatrics (103/148, 70%) more likely received vaccines than HCWs in surgery (31/84, 37%). Most vaccinations were provided by medical staff on the wards (164/368, 45%). Self-reported lost work-time due to adverse events after vaccination was low (6/336, 2%). Eight categories for vaccine refusal were identified, whereof doubts about effectiveness and indication of the vaccine was most frequently mentioned (72/202, 36%). CONCLUSIONS: Efforts to promote vaccination should focus on nursing staff and should provide scientific evidence on effectiveness, adverse effects, and the benefits of health care workers' vaccination for patients. Administering vaccines at the workplace proved to be a successful strategy in our setting. Studies are needed to assess the frequency of influenza causing disease in HCWs. PMID- 29220708 TI - Comparative diagnostic accuracy of dual-energy CT myocardial perfusion imaging by monochromatic energy versus material decomposition methods. AB - PURPOSE: To compare the diagnostic value of monochromatic and material decomposition (MD) dual- energy computed tomography (DECT) imaging for the evaluation of ischemia. METHODS: Patients with suspected coronary artery disease underwent rest-stress DECT and SPECT perfusion imaging. DECT images were reconstructed between 40 and 140keV and through MD of iodine/muscle. RESULTS: MD and monochromatic imaging had a sensitivity, specificity, negative predictive, positive predictive value, and accuracy of 89%, 40%, 67%, 73% and 71%; and 91%, 67%, 67%, 91% and 86%, respectively (p=0.05). CONCLUSION: DECT using monochromatic energy displayed a non-significantly higher diagnostic accuracy for myocardial ischemia as compared with DECT MD. PMID- 29220713 TI - In vitro models for deciphering the mechanisms underlying the sexual transmission of viruses at the mucosal level. AB - Sexually transmitted viruses infect the genital and colorectal mucosa of the partner exposed to contaminated genital secretions through a wide range of mechanisms, dictated in part by the organization of the mucosa. Because understanding the modes of entry into the organism of viruses transmitted through sexual intercourse is a necessary prerequisite to the design of treatments to block those infections, in vitro modeling of the transmission is essential. The aim of this review is to present the models and methodologies available for the in vitro study of the interactions between viruses and mucosal tissue and for the preclinical evaluation of antiviral compounds, and to point out their advantages and limitations according to the question being studied. PMID- 29220714 TI - Mapping of radiation anomalies using UAV mini-airborne gamma-ray spectrometry. AB - Localization of size-limited gamma-ray anomalies plays a fundamental role in uranium prospecting and environmental studies. Possibilities of a newly developed mini-airborne gamma-ray spectrometric equipment were tested on a uranium anomaly near the village of Trebsko, Czech Republic. The measurement equipment was based on a scintillation gamma-ray spectrometer specially developed for unmanned aerial vehicles (UAV) mounted on powerful hexacopter. The gamma-ray spectrometer has two 103 cm3 BGO scintillation detectors of relatively high sensitivity. The tested anomaly, which is 80 m by 40 m in size, was investigated by ground gamma-ray spectrometric measurement in a detail rectangular measurement grid. Average uranium concentration is 25 mg/kg eU attaining 700 mg/kg eU locally. The mini airborne measurement across the anomaly was carried out on three 100 m long parallel profiles at eight flight altitudes from 5 to 40 m above the ground. The resulting 1 s 1024 channel gamma-ray spectra, recorded in counts per second (cps), were processed to concentration units of K, U and Th, while total count (TC) was reported in cps. Increased gamma ray intensity of the anomaly was indicated by mini-airborne measurement at all profiles and altitudes, including the highest altitude of 40 m, at which the recorded intensity is close to the natural radiation background. The reported instrument is able to record data with comparable quality as standard airborne survey, due to relative sensitive detector, lower flight altitude and relatively low flight speed of 1 m/s. The presented experiment brings new experience with using unmanned semi-autonomous aerial vehicles and the latest mini-airborne radiometric instrument. The experiment has demonstrated the instrument's ability to localize size-limited uranium anomalies. PMID- 29220715 TI - Getting to know you: The development of mechanisms underlying face learning. AB - Nearly every study investigating the development of face recognition has focused on the ability to tell people apart using one or two tightly controlled images to represent each identity. Such research ignores the challenge of recognizing the same person despite variability in appearance. Whereas natural variation in appearance makes unfamiliar faces difficult to recognize, by 6 years of age people easily recognize multiple images of familiar faces. Two mechanisms are proposed to underlie the process by which adults become familiar with newly encountered faces. We provide the first examination of the development of these mechanisms during childhood (6-11 years). In Experiment 1, we examined children's (6- to 10-year-olds') and adults' ability to engage in ensemble coding-the ability to rapidly extract an average representation of an identity from several instances. In Experiment 2, we examined children's ability to use within-person variability in appearance to recognize novel instances of a newly encountered identity. We created a child-friendly perceptual matching task, and the number of images to which participants were exposed varied across targets. Although children were less accurate than adults overall in Experiment 2, we found no age related improvement in either ensemble coding or the ability to benefit from exposure to within-person variability in appearance when learning a new face, suggesting that both abilities are developed by 6 years of age. We discuss the implications of these findings for understanding the nature of mechanisms underlying face learning and other developmental processes such as language and music. PMID- 29220711 TI - Association between water fluoride and the level of children's intelligence: a dose-response meta-analysis. AB - OBJECTIVES: Higher fluoride concentrations in water have inconsistently been associated with the levels of intelligence in children. The following study summarizes the available evidence regarding the strength of association between fluoridated water and children's intelligence. STUDY DESIGN: Meta-analysis. METHODS: PubMed, Embase, and Cochrane Library databases were systematically analyzed from November 2016. Observational studies that have reported on intelligence levels in relation to high and low water fluoride contents, with 95% confidence intervals (CIs) were included. Further, the results were pooled using inverse variance methods. The correlation between water fluoride concentration and intelligence level was assessed by a dose-response meta-analysis. RESULTS: Twenty-six studies reporting data on 7258 children were included. The summary results indicated that high water fluoride exposure was associated with lower intelligence levels (standardized mean difference : -0.52; 95% CI: -0.62 to 0.42; P < 0.001). The findings from subgroup analyses were consistent with those from overall analysis. The dose-response meta-analysis suggested a significant association between water fluoride dosage and intelligence (P < 0.001), while increased water fluoride exposure was associated with reduced intelligence levels. CONCLUSIONS: Greater exposure to high levels of fluoride in water was significantly associated with reduced levels of intelligence in children. Therefore, water quality and exposure to fluoride in water should be controlled in areas with high fluoride levels in water. PMID- 29220717 TI - Microbial electricity driven anoxic ammonium removal. AB - Removal of nitrogen, mainly in form of ammonium (NH4+), in wastewater treatment plants (WWTPs) is a highly energy demanding process, mainly due to aeration. It causes costs of about half a million Euros per year in an average European WWTP. Alternative, more economical technologies for the removal of nitrogen compounds from wastewater are required. This study proves the complete anoxic conversion of ammonium (NH4+) to dinitrogen gas (N2) in continuously operated bioelectrochemical systems at the litre-scale. The removal rate is comparable to conventional WWTPs with 35 +/- 10 g N m-3 d-1 with low accumulation of NO2-, NO3 , N2O. In contrast to classical aerobic nitrification, the energy consumption is considerable lower (1.16 +/- 0.21 kWh kg-1 N, being more than 35 times less than for the conventional wastewater treatment). Biotic and abiotic control experiments confirmed that the anoxic nitrification was an electrochemical biological process mainly performed by Nitrosomonas with hydroxylamine as the main substrate (mid-point potential, Eox = +0.67 +/- 0.08 V vs. SHE). This article proves the technical feasibility and reduction of costs for ammonium removal from wastewater, investigates the underlying mechanisms and discusses future engineering needs. PMID- 29220716 TI - Self-accelerating sulfur reduction via polysulfide to realize a high-rate sulfidogenic reactor for wastewater treatment. AB - Sulfur reduction is a promising alternative to sulfate reduction as it can generate sulfide at a low cost for the precipitation of heavy metals or autotrophic denitrification in wastewater treatment. However, the extremely low water solubility of elemental sulfur limits its bioavailability and results in a low sulfur-reduction rate. Polysulfide, which is naturally generated through reactions between sulfur and sulfide, can enhance the bioavailability of sulfur and thus contribute to high-rate sulfur reduction. Based on this principle, a laboratory-scale sulfur-reducing bioreactor was designed in this study for wastewater treatment. After 164 days of operation, the sulfide production rate (SPR) in the bioreactor reached 126 mg S/L-h, which is significantly higher than those of other sulfate-reducing systems. Moreover, dissolved zero-valent sulfur (referred to as polysulfide) was detected in the sulfur-reducing reactor when the organics were completely depleted, indicating that polysulfide can form naturally and be readily reduced to sulfide in the bioreactor. We found that the produced sulfide promoted the formation of more polysulfide, which enabled a self accelerating chain reaction of sulfur reduction via polysulfide. This stimulation effect was further validated by the 7-h batch tests. In the batch test without sulfide addition initially, a continuous increase in the hourly SPR was observed with increasing sulfide concentration. Furthermore, in the batch tests with the addition of 50-200 mg S/L sulfide at the beginning, the average SPR in the first 3 h increased with elevating initial sulfide concentration due to more polysulfide formation and reduction. However, high sulfide concentration (>250 mg S/L) hindered the continuous increase in SPR. Additionally, when polysulfide formation was prevented through the addition of Fe2+, the SPR dropped by 97.6% compared to that in the presence of polysulfide. This validates the key role of polysulfide in the high-rate sulfur reduction process. Overall, the findings suggest that high-rate sulfur reduction can be achieved for autotrophic denitrification or heavy-metal removal in wastewater treatment. PMID- 29220699 TI - HIV-1 Tat protein induces DNA damage in human peripheral blood B-lymphocytes via mitochondrial ROS production. AB - Human immunodeficiency virus (HIV) infection is associated with B-cell malignancies in patients though HIV-1 is not able to infect B-cells. The rate of B-cell lymphomas in HIV-infected individuals remains high even under the combined antiretroviral therapy (cART) that reconstitutes the immune function. Thus, the contribution of HIV-1 to B-cell oncogenesis remains enigmatic. HIV-1 induces oxidative stress and DNA damage in infected cells via multiple mechanisms, including viral Tat protein. We have detected elevated levels of reactive oxygen species (ROS) and DNA damage in B-cells of HIV-infected individuals. As Tat is present in blood of infected individuals and is able to transduce cells, we hypothesized that it could induce oxidative DNA damage in B-cells promoting genetic instability and malignant transformation. Indeed, incubation of B-cells isolated from healthy donors with purified Tat protein led to oxidative stress, a decrease in the glutathione (GSH) levels, DNA damage and appearance of chromosomal aberrations. The effects of Tat relied on its transcriptional activity and were mediated by NF-kappaB activation. Tat stimulated oxidative stress in B-cells mostly via mitochondrial ROS production which depended on the reverse electron flow in Complex I of respiratory chain. We propose that Tat induced oxidative stress, DNA damage and chromosomal aberrations are novel oncogenic factors favoring B-cell lymphomas in HIV-1 infected individuals. PMID- 29220720 TI - Induction of thymic stromal lymphopoietin by a steroid alkaloid derivative in mouse keratinocytes. AB - Thymic stromal lymphopoietin (TSLP) plays critical roles in inducing and exacerbating allergic diseases. Chemical compounds that induce TSLP production can enhance sensitization to antigens and exacerbate allergic inflammation. Hence, identifying such chemicals will be important to prevent an increase in allergic diseases. In the present study, we found, for the first time, that a steroid alkaloid derivative, code no. 02F04, concentration and time dependently induced mRNA expression and production of TSLP in a mouse keratinocyte cell line, PAM212. In particular, the activity of 02F04 was selective to TSLP. As an analogue of the liver X receptor (LXR) endogenous ligand, 02F04 rapidly increased ATP-binding cassette transporter A1 (ABCA1) expression by regulating the nuclear receptor of LXR. However, instead of being inhibited by the LXR antagonist, 02F04 induced TSLP production was delayed and markedly suppressed by inhibitors of phospholipase C (PLC), pan-protein kinase C (PKC), PKCdelta, Rho-associated protein kinase (ROCK), extracellular signal-regulated kinase (ERK) 1/2, and IkappaBeta kinase 2 (IKK2). Treatment with 02F04 caused the formation of F-actin filaments surrounding the nucleus of PAM212 cells, which then disappeared following addition of ROCK inhibitor. 02F04 also induced phosphorylation of ERK1/2 from 2h after treatment, with a maximum at 24h, and increased nuclear factor-kappaB (NF-kappaB) promoter activity by 1.3-fold. Taken together, these results indicate that 02F04-induced TSLP production is regulated via distinct signal transduction pathways, including PLC, PKC, ROCK, ERK1/2, and NF-kappaB but not nuclear receptors. 02F04, with a unique skeletal structure in inducing TSLP production, can represent a potential new tool for investigating the role of TSLP in allergic diseases. PMID- 29220724 TI - Pharmacokinetics of a novel triazine ethanamizuril in rats and broiler chickens. AB - Ethanamizuril is a new triazine compound that displays potent anticoccidial activity against chicken coccidiosis caused by Eimeria tenella. We studied the pharmacokinetics of ethanamizuril in rats and chickens after single oral doses of one, two and three times the minimum effective dose Ethanamizuril was readily absorbed at all three doses and the plasma concentration reached was maximal within 5h and progressively declined over time. The mean peak plasma concentrations (Cmax) and the area under the concentration-time curve (AUC) were both dose-dependent. These results provide pharmacokinetic profiles of ethanamizuril for future preclinical studies and clinical use. PMID- 29220719 TI - House dust mite allergen causes certain features of steroid resistant asthma in high fat fed obese mice. AB - Obesity is a high risk factor for diseases such as cardiovascular, metabolic syndrome and asthma. Obese-asthma is another emerging phenotype in asthma which is typically refractive to steroid treatment due to its non-classical features such as non-eosinophilic cellular inflammation. The overall increased morbidity, mortality and economical burden in asthma is mainly due to steroid resistant asthma. In the present study, we used high fat diet induced obese mice which when sensitized with house dust mite (HDM) showed steroid resistant features. While the steroid, dexamethasone (DEX), treatment to high fat fed naive mice could not reduce the airway hyperresponsiveness (AHR) induced by high fat, DEX treatment to high fat fed allergic mice could not reduce the HDM allergen induced airway remodeling features though it reduced airway inflammation. Further, these HDM induced high fat fed mice with or without DEX treatment had shown the increased activity and expression of arginase as well as the inducible nitric oxide synthase (iNOS) expression. However, DEX treatment had reduced the expressions of high iNOS and arginase I in control chow diet fed mice. Thus, we speculate that the steroid resistance seen in human obese asthmatics could be stemming from altered NO metabolism and its induced airway remodeling and with further investigations, it would encourage new treatments specific to obese-asthma phenotype. PMID- 29220723 TI - Gold nanoparticles enhance radiation sensitization and suppress colony formation in a feline injection site sarcoma cell line, in vitro. AB - Injection Site Sarcomas (ISS) are highly invasive feline malignant tumors that are frequently associated with routine vaccination. Current treatment modalities include chemotherapy, radiation, and radical surgery. ISS have been shown to be one of the most treatment resistant of feline cancers with high rates of recurrence. Previous studies have shown that gold and other high atomic number nanoparticles have the ability to increase the dose of radiation deposited into tissue by generating secondary electrons. The focus of the current study was to assess the effects of gold nanoparticles (AuNP) on ISS cytotoxicity and colony formation both as a standalone treatment and in combination with electron beam radiation. Cells from an established ISS cell line were co-cultured with 15nm AuNP at 0.0, 0.25, 0.5, 1.0, 2.0 and 4.0mM. AuNP cytotoxicity was evaluated by assessing changes in cellularity, cell proliferation, cell cycle and viability/apoptosis/necrosis. The radiosensitizing potential of AuNP on ISS replication was assessed by the clonogenic assay. AuNP were found to significantly decrease cellular proliferation. However, the acute viability and cell cycle of ISS was not significantly altered. Interestingly, AuNP alone were shown to significantly impair colony formation. In the presence of 9MeV electron radiation, AuNP numerically decreased colony formation in ISS cells compared to cells treated with radiation only. AuNP may have efficacy as a long term therapeutic agent for decreasing ISS growth. PMID- 29220725 TI - Sparse-view neutron-photon computed tomography: Object reconstruction and material discrimination. AB - Taking into account the advantages of both neutron- and photon-based systems, we propose combined neutron-photon computed tomography (CT) under a sparse-view setting and demonstrate its performance for 3D object visualization and material discrimination. We use a high-performance regularization method for CT reconstruction by combining regularization based on total variation (TV) and curvelet transform in cone beam geometry. It is coupled with proposed 2D material signatures which is pairs of photon to neutron transmission ratios and neutron transmission values per object space voxels. Classification of materials is performed by association of a voxel signature with library signatures; and per object - by majority of voxels in the object. Representation of object-material pairs, for the model in our experiment, a complex scene with group of high-Z and low-Z materials, attains the reconstruction accuracy of 92.1% and the overall high-Z discrimination accuracy of object representation is 85%, and by about 7.5% higher discrimination accuracy than that with 1D signatures which are ratios of photon to neutron transmissions. With a relative noise level of 10%, the method yields the reconstruction accuracies of 87.2%. The analyses are performed in cone beam configuration, with Monte Carlo modeling of neutron-photon transport for the model of object geometry and material contents. PMID- 29220721 TI - Novel effect of methionine enkephalin against influenza A virus infection through inhibiting TLR7-MyD88-TRAF6-NF-kappaB p65 signaling pathway. AB - The morbidity and mortality associated with influenza A virus infections, have stimulated the search for novel prophylactic and therapeutic drugs. The purpose of this study was to investigate the prophylactic and therapeutic effect of synthetic methionine enkephalin (MENK) on mice infected by A/PR/8/34 influenza virus (H1N1) in vivo. The results showed that MENK could exert both prophylactic and therapeutic influences on infected mice, significantly improve the survival rate, relieve acute lung injury and decrease cytokine (IFN-alpha, IFN-beta, TNF alpha, IL-6, and IL-1beta) levels. MENK also inhibited virus replication on day 4 post infection (p.i.) through upregulating opioid receptors (MOR, DOR) and suppressing TLR7-MyD88-TRAF6-NF-kappaB p65 signaling pathways. These results suggest that MENK, given via intranasal administration, could provide a novel drug with a new mode of action as a nonspecific anti-influenza agent or vaccine adjuvant. PMID- 29220726 TI - Monte Carlo calculations of electrons impinging on a copper target: A comparison of EGSnrc, Geant4 and MCNP5. AB - A simple geometry is used to compare several of the available Monte Carlo software codes for radiation transport. EGSnrc, Geant4 and MCNP5 are all used to calculate the photon fluence produced from electrons incident on a copper target. Four energies for the isotropic point source are chosen to simulate the average and maximum emission energies of 32P and 90Y: (0.7, 1.71)MeV and (0.93, 2.28)MeV, respectively. The energy deposition in the copper target, the electron current at the target and the computational efficiency are also calculated. EGSnrc is found to be the only self-consistent code when comparing results calculated using the default transport parameters of the condensed history mode with those calculated in the single scattering mode. PMID- 29220722 TI - Circulating miRNAs expression profiling in drug-resistant epilepsy: Up-regulation of miR-301a-3p in a case of sudden unexpected death. AB - Sudden and unexpected death in epilepsy (SUDEP) represents one of the most challenging fields for clinical, forensic and preventative pathology. Several authors have emphasized the search of innovative biomarkers related to drug resistance for an appropriate risk stratification in these patients. However, no reliable biomarker has been implemented into clinical practice, so far. Herein, we present a case of SUDEP due to drug-resistant mesial temporal lobe epilepsy (MTLE) in which we performed miRNA expression profiling (miR-301a-3p, miR-194-5p, miR-30b-5p, mIR-342-5p, and miR-4446-3p) from both the plasma and the temporal lobe in comparison to ten autopsies for traumatic or asphyxia deaths. A significant up-regulation of miR-301a-3p in both the plasma (2.3 increase vs. controls) and the hippocampus (3.2-fold increase vs. controls) was evidenced, whereas the other tested miRNAs showed no significant expression differences between case and controls. Even preliminary, our results support miRNAs as an innovative class of biomarkers compatible with an adequate analysis of biospecimens obtained from forensic autopsies. PMID- 29220728 TI - Assessment of long-term exposure to airborne dioxin and cadmium concentrations in the Lyon metropolitan area (France). AB - Identifying the long-term effects of airborne pollutants requires the computation of the spatial and temporal variability of their concentration in air to estimate the exposure of the population. To estimate exposure levels of individuals in a breast cancer case control study nested in a national prospective cohort, we determine here the differential impact of a variety of cadmium and dioxin sources on urban air over a large urban area and over a period of almost 20years. To that end, we couple an emission model, to estimate dioxin and cadmium atmospheric annual releases, with an urban dispersion model in order to compute pollutant concentration fields at a fine temporal (1h) and spatial (25m) resolution. The reliability of the modelling chain is compared to two types of measurement: i) localized industrial emissions and ii) dioxin and cadmium air monitoring data (from 2007 to 2008), collected at a fixed station, placed in the city centre, as well as at three mobile short-term dioxin monitoring stations, located in the suburbs (the latter providing dioxin data, only). Comparisons between measured and estimated emissions show non-negligible difference, with a correlations for dioxin (rs=0.42) and cadmium (rs=0.41). Despite this, mean values between estimated emissions and emission measurements are close to each other, in particular for cadmium. Weekly average modelled concentrations show an overall good agreement with weekly average measured concentrations in spring and summer but are generally lower than monitored data in winter due to peak concentrations from diffuse sources representing an important proportion of emissions in 2007/2008. The model provides better results for cadmium than for dioxin. Despite the relevant errors in the model predictions, the model meets the validation criteria, defined by Chang and Hanna for an urban dispersion model. Simulation scenarios of air pollutant concentrations, reconstructed over the last 20years, show the effects of the variability of the pollutant sources over time with decreasing levels of dioxin and cadmium concentrations in air. This is primarily due to the reduction in localized industrial releases, which results in a general trend of homogenization of the exposure of the population. The model further allows us to dissociate the contribution of different types of pollutant sources on the population exposure. The impact on local concentrations due to industrial emissions, which were originally responsible for the major impact on air quality, is shown to drop over the years by 99% and 92% for dioxin and cadmium, respectively. Today, the major contributions are due to diffuse miscellaneous sources in the case of dioxin and to traffic-related emissions for cadmium. Average modelled concentrations at the study subjects' residential locations range from 10.2 to 82.1fg-TEQ/m3 for dioxin and 0.10 to 1.6ng/m3 for cadmium and are comparable with data from the literature. The study results will be essential to increase the accuracy of the assessment of long-term airborne dioxin and cadmium exposure and improve the results of epidemiological studies. PMID- 29220731 TI - Quantitative texture analysis in the prediction of IDH status in low-grade gliomas. AB - OBJECTIVES: Molecular markers provide valuable information about treatment response and prognosis in patients with low-grade gliomas (LGG). In order to make this important information available prior to surgery the aim of this study was to explore if molecular status in LGG can be discriminated by preoperative magnetic resonance imaging (MRI). PATIENTS AND METHODS: All patients with histopathologically confirmed LGG with available molecular status who had undergone a preoperative standard clinical MRI protocol using a 3T Siemens Skyra scanner during 2008-2015 were retrospectively identified. Based on Haralick texture parameters and the segmented LGG FLAIR volume we explored if it was possible to predict molecular status. RESULTS: In total 25 patients (nine women, average age 44) fulfilled the inclusion parameters. The textural parameter homogeneity could discriminate between LGG patients with IDH mutation (0.12, IQR 0.10-0.15) and IDH wild type (0.07, IQR 0.06-0.09, p=0.005). None of the other four analyzed texture parameters (energy, entropy, correlation and inertia) were associated with molecular status. Using ROC curves, the area under curve for predicting IDH mutation was 0.905 for homogeneity, 0.840 for tumor volume and 0.940 for the combined parameters of tumor volume and homogeneity. We could not predict molecular status using the four other chosen texture parameters (energy, entropy, correlation and inertia). Further, we could not separate LGG with IDH mutation with or without 1p19q codeletion. CONCLUSIONS: In this preliminary study using Haralick texture parameters based on preoperative clinical FLAIR sequence, the homogeneity parameter could separate IDH mutated LGG from IDH wild type LGG. Combined with tumor volume, these diagnostic properties seem promising. PMID- 29220729 TI - Comparison of dynamic cervical implant versus anterior cervical discectomy and fusion for the treatment of single-level cervical degenerative disc disease: A five-year follow-up. AB - OBJECTIVE: To compare clinical and radiographic outcomes of dynamic cervical implant(DCI) with anterior cervical discectomy and fusion(ACDF) in the treatment of single-level cervical degenerative disc disease (CDDD) 5 years after surgery. PATIENTS AND METHODS: Forty-three patients with DCI were matched one-to-one with patients with ACDF based on age, gender, and operative segment in this retrospective study. All patients had been followed up for more than 5 years. Radiological assessments included heterotopic ossification(HO), adjacent segment degeneration (ASD), intervertebral height (IH), range of motion (ROM) at C2-7, the implanted level and adjacent levels. Clinical parameters included Visual Analogue Scale (VAS), Japanese Orthopedic Association (JOA) scores, Neck Disability Index (NDI) and Short Form-36 scores(SF-36). Patients were also asked to rate their postoperative satisfaction at final follow-up. RESULTS: The postoperative ROM of C2-7 and ROM at the implanted level in the DCI group were higher than those in the ACDF group. The ROM at the implanted level in the DCI group was maintained at 2 years postoperatively but decreased at final follow-up (10.7 degrees vs 4.5 degrees ). The rate of HO in the DCI group was 46.5% (20/43). The rate of ASD was comparable between the two groups (16.3% vs 20.9%). The JOA, VAS, NDI, and SF-36 scores were comparable between two groups and improved postoperatively. However, the proportion of patients who reported their level of satisfaction as being very satisfied, or somewhat satisfied was larger in the ACDF group than that in the DCI group (95.3% vs 79.1%). CONCLUSIONS: DCI resulted in better ROM of C2-7 and the implanted level than ACDF did. The clinical outcomes were similar between two groups. However, the ROM at the implanted level decreased at final follow-up in the DCI group, which may contribute to patient dissatisfaction. The long-term outcomes were not that satisfactory especially due to the deviation from its original intention as a non fusion technique. As such, we have not used DCI in the past 2 years. PMID- 29220737 TI - Rheumatology nurse specialists and corticosteroids prescription-Is it safe? PMID- 29220730 TI - Effect of white matter changes on risk score for peri-procedural complications after carotid artery stenting. AB - OBJECTIVES: The presence of more severe white matter changes (WMC) may be associated with a higher risk of peri-procedural strokes in patients undergoing carotid artery stenting (CAS). However, to what extent WMC affects peri procedural risk of CAS is unclear. We aimed to evaluate the effect of WMC on peri procedural complications by modifying a CAS peri-procedural risk scale through adding the assessment of WMC. PATIENTS AND METHODS: A database of patients undergoing CAS was sampled from 2007 to 2014 in a single Chinese medical center. Risk factors were evaluated for peri-interventional cerebral and cardiac events and mortality. A risk score including contralateral stenosis >= 50%, diabetes with HbA1c > 7%, age >= 80 years old, symptomatic stenosis or with an ulcer lesion was applied to predict peri-interventional risk. Age-related white matter change (ARWMC) score was calculated and added to this risk scale. The predictive power of the new scale was evaluated. RESULTS: 151 patients were enrolled in the study. 14 peri-interventional events were recorded. Patients with peri-procedural complications had higher rates of diabetes (57.1% vs 18.2%, P = 0.001), contralateral stenosis (64.29% vs 32.85%, P = 0.019), coronary heart disease (42.9% vs 14.6%, P = 0.008) and ARWMC >= 7 (64.3% vs 25.5%, P = 0.002) compared with patients without peri-procedural complications. ARWMC >= 7 was an independent risk factor for peri-procedural complications from factors of the CAS scale after adjusting other confounders including contralateral stenosis >= 50%, HbA1c > 7%, age >= 80 years old and symptomatic stenosis or with an ulcer lesion. After the ARWMC score was added to the original scale, the AUC value of the new scale to predict the risk of peri-procedural complications after CAS was elevated (0.808 vs 0.730, p = 0.068). CONCLUSION: More severe WMC was a risk factor for peri-procedural complications after CAS in patients with carotid artery stenosis. ARWMC score may help to improve the predictive power of the risk scale for peri procedural complications after CAS. PMID- 29220727 TI - The health impacts of weekday traffic: A health risk assessment of PM2.5 emissions during congested periods. AB - Little work has accounted for congestion, using data that reflects driving patterns, traffic volume, and speed, to examine the association between traffic emissions and human health. In this study, we performed a health risk assessment of PM2.5 emissions during congestion periods in the Greater Toronto and Hamilton Area (GTHA), Canada. Specifically, we used a micro-level approach that combines the Stochastic User Equilibrium Traffic Assignment Algorithm with a MOVES emission model to estimate emissions considering congestion conditions. Subsequently, we applied a concentration-response function to estimate PM2.5 related mortality, and the associated health costs. Our results suggest that traffic congestion has a substantial impact on human health and the economy in the GTHA, especially at the most congested period (7:00am). Considering daily mortality, our results showed an impact of 206 (boundary test 95%: 116; 297) and 119 (boundary test 95%: 67; 171) deaths per year (all-cause and cardiovascular mortality, respectively). The economic impact from daily mortality is approximately $1.3 billion (boundary test 95%: 0.8; 1.9), and $778 million (boundary test 95%: 478; 981), for all-cause and cardiovascular mortality, respectively. Our study can guide reliable projections of transportation and air pollution levels, improving the capability of the medical community to prepare for future trends. PMID- 29220732 TI - Carbon monoxide poisoning in Iran during 1999-2016: A systematic review and meta analysis. AB - BACKGROUND: Carbon monoxide (CO) poisoning is a common cause of emergency department (ED) visits worldwide with high levels of morbidity and mortality. No inclusive nationally statistics of CO poisoning in Iran is available. The present review aimed to describe and review the pattern of CO poisoning in Iran. METHODS: The search of Medline, SCOPUS, Cochrane library, Google Scholar, Magiran, IranDoc and SID (Scientific Information Database) yielded only 10 studies discussing the epidemiology of CO poisoning in Iran. Outcomes of interest were determining the demographic characteristics, prevalence and mortality rates, annual trends, main sources and mechanisms, location of incidents of CO poisoning as well as providing the safety awareness and precautions. RESULTS: Totally, 10 studies including 6372 victims of CO poisoning were reviewed. The estimated incidence rate of CO poisoning was 38.91 per 100,000, the proportionate mortality rate was 11.6 per 1000 death and the pooled case fatality rate of was 9.5% (95% CI 6.3% 14.30%). Of the total 5105 individuals with CO poisoning, 2048 (40.12%) were male and 3057 (59.88%) were female. In addition, of 5105 poisoned, 4620 (90.50%) were alive and 485 (9.50%) were dead. The number of fatal CO poisoning cases among men and women were 259 (5.07%) and 226 (4.43%) victims, respectively; while the number of non-fatal CO poisoning cases among men and women were 1790 (35.06%) and 2830 (55.44%) individuals, respectively. The mean age of victims was about 30 years. Most of the victims (36.37%) had the educational level of secondary school, marital status of single (52.74%), and occupational status of housekeeper (27.48%). CONCLUSION: The incidence, proportionate mortality and case fatality rates of CO poisoning is high in Iran, particularly in young individuals. It seems that preventive strategies should be taught by health care providers more thoroughly and implemented by policy makers more strictly as a mandatory law. PMID- 29220718 TI - Spatial and temporal dynamics of pathogenic Leptospira in surface waters from the urban slum environment. AB - Leptospirosis has emerged as an important urban health problem as slum settlements have expanded worldwide. Yet the dynamics of the environmentally transmitted Leptospira pathogen has not been well characterized in these settings. We used a stratified dense sampling scheme to study the dynamics of Leptospira abundance in surface waters from a Brazilian urban slum community. We collected surface water samples during the dry, intermediate and rainy seasons within a seven-month period and quantified pathogenic Leptospira by quantitative PCR (qPCR). We used logistic and linear mixed models to identify factors that explained variation for the presence and concentration of Leptospira DNA. Among 335 sewage and 250 standing water samples, Leptospira DNA were detected in 36% and 34%, respectively. Among the 236 samples with positive results geometric mean Leptospira concentrations were 152 GEq/mL. The probability of finding Leptospira DNA was higher in sewage samples collected during the rainy season when increased leptospirosis incidence occurred, than during the dry season (47.2% vs 12.5%, respectively, p = 0.0002). There was a marked spatial and temporal heterogeneity in Leptospira DNA distribution, for which type of water, elevation, and time of day that samples were collected, in addition to season, were significant predictors. Together, these findings indicate that Leptospira are ubiquitous in the slum environment and that the water-related risk to which inhabitants are exposed is low. Seasonal increases in Leptospira presence may explain the timing of leptospirosis outbreaks. Effective prevention will need to consider the spatial and temporal dynamics of pathogenic Leptospira in surface waters to reduce the burden of the disease. PMID- 29220735 TI - Regulation of sulfur deprivation-induced expression of the ferredoxin-encoding FDX5 gene Chlamydomonas reinhardtii in aerobic conditions. AB - The unicellular green alga Chlamydomonas reinhardtii reacts to sulfur (S) starvation with the increased expression of numerous genes. One gene which is induced in illuminated anaerobic S-deprived cells is the ferredoxin-5 gene (FDX5). To test FDX5 transcriptional regulation in aerobic cultures, we used a real-time PCR analysis and an artificial microRNA approach. We demonstrated that FDX5 gene is controlled by S deprivation independently of anoxia-treatment. The Ser/Thr kinase SNRK2.1 is necessary for expression of FDX5 during deprivation to S. Copper response regulator 1 (CRR1) is not involved in FDX5 up-regulation in S deficient cells under aerobic conditions. Furthermore, expression of FDX5 is negatively regulated by nitric oxide (NO). Moreover, truncated hemoglobin 1 (THB1) underexpression resulted in the decrease in FDX5 transcript abundance in S deficient cells under aerobic conditions. Together, our results imply that the FDX5 gene is controlled by NO in THB1-dependent pathway under conditions of depleted S supply. PMID- 29220739 TI - Lonelier than ever? Loneliness of older people over two decades. AB - To live with feelings of loneliness has negative implications for quality of life, health and survival. This study aimed to examine changes in loneliness among older people, both with regard to prevalence rates, and socio-demographic, social and health-related correlates of loneliness. This study had a repeated cross-sectional design and was based on the nationally representative Swedish Panel Study of Living Conditions of the Oldest Old (SWEOLD). Analyses of trends in loneliness covered the years 1992, 2002, 2004, 2011 and 2014, and included people aged 77 years or older (n=2 572). Analyses of correlates of loneliness covered 2004 and 2014, and included people aged 70 years or older (n=1 962). Logistic regression analyses were conducted with findings presented as average marginal effects. Contrary to what is often assumed, there has been no increase in loneliness among older people over time (1992-2014). Regression analyses for 2004 and 2014 showed that social and health-related correlates were more strongly associated with loneliness than socio-demographic correlates. Psychological distress was most strongly associated with loneliness, followed by widowhood. Most associations between the correlates and loneliness were stable over time. PMID- 29220736 TI - Arsenic stress effects on root water absorption in soybean plants: Physiological and morphological aspects. AB - Soybean (Glycine max L.) is often cultivated in areas contaminated with arsenic (As), which negatively affects plant growth and reduces crop yield. The deleterious effects may be due, at least in part, to disturbances in the water status, as was reported for some plants exposed to heavy metals. However, to our knowledge, these mechanisms have not been studied in depth in soybean plants exposed to As. The aim of the present work was to analyze possible changes in water relations and the responses developed in soybean plants under arsenate (AsV) and arsenite (AsIII) stress. We discuss physiological and morphological aspects of the As stress response, such as root absorption rate, water content, stomatal conductance, water and osmotic potential, accumulation of compatible solutes, leaf conducting tissues and stomata characteristics. AsV and AsIII caused a significant decrease in root absorption rate, which could reduce metalloid uptake. On the other hand, water content decreased at the beginning of the treatment but was re-established after 4 and 8 d. This was correlated with a decrease in stomatal conductance and a reduction in leaf water and osmotic potential due to the accumulation of proline and soluble sugars. Besides, smaller leaf xylem vessels and abnormal stomata were observed in plants under As treatment. These mechanisms increased the plant's ability to retain water and therefore to avoid dehydration. Thus, the results of the present work contribute to the understanding of how soybean responds to As, by describing key tolerance strategies to the metalloid. PMID- 29220740 TI - Validity of health insurance data to identify people with epilepsy. AB - BACKGROUND: Large administrative databases may prove useful to assess epilepsy related comorbidity and mortality. Despite their increased use, their validity as data source in epilepsy is yet under-ascertained. METHODS: Achmea is a large Dutch health insurance company covering about 25% of the population. We performed a retrospective cohort study using data from the Achmea Health Insurance Database (AHID) over the period 2006-2009. To assess the validity of epilepsy codes in the AHID, we randomly invited 1000 individuals (age 18-75 years insured by Achmea), attending an epilepsy centre or a district hospital during 2006-2009, to participate. Informed consent was provided and 293 were eligible for inclusion. We compared the diagnostic codes for epilepsy in AHID with the diagnosis in their case-notes (reference standard). As additional measure of validity, we compared prevalence of epilepsy codes in AHID (based on anonymized data of all 26.297 subjects with this code in AHID) with epilepsy prevalence rates in the general Dutch population to estimate an age-specific standardized prevalence ratio. RESULTS: We identified 293 participants with an epilepsy code in AHID. The majority (278) of them had a definite or possible diagnosis of epilepsy in the case-notes; i.e. a positive predictive value of 0.95 (95% CI 0.92-0.97). The overall prevalence of epilepsy codes in the AHID was slightly higher than the putative prevalence in the general Dutch population (7.4/1.000 vs. 6.8/1.000) with a Standardized Prevalence Ratio of 1.08 (95% CI: 1.08-1.09). CONCLUSIONS: Our findings demonstrate the validity of AHID data for a diagnosis of epilepsy and confirm previous work on using administrative data for epilepsy research. PMID- 29220738 TI - Increasing value and reducing waste by optimizing the development of complex interventions: Enriching the development phase of the Medical Research Council (MRC) Framework. AB - BACKGROUND: In recent years there has been much emphasis on 'research waste' caused by poor question selection, insufficient attention to previous research results, and avoidable weakness in research design, conduct and analysis. Little attention has been paid to the effect of inadequate development of interventions before proceeding to a full clinical trial. OBJECTIVE: We therefore propose to enrich the development phase of the MRC Framework by adding crucial elements to improve the likelihood of success and enhance the fit with clinical practice METHODS: Based on existing intervention development guidance and synthesis, a comprehensive iterative intervention development approach is proposed. Examples from published reports are presented to illustrate the methodology that can be applied within each element to enhance the intervention design. RESULTS: A comprehensive iterative approach is presented by combining the elements of the MRC Framework development phase with essential elements from existing guidance including: problem identification, the systematic identification of evidence, identification or development of theory, determination of needs, the examination of current practice and context, modelling the process and expected outcomes leading to final element: the intervention design. All elements are drawn from existing models to provide intervention developers with a greater chance of producing an intervention that is well adopted, effective and fitted to the context. CONCLUSION: This comprehensive approach of developing interventions will strengthen the internal and external validity, minimize research waste and add value to health care research. In complex interventions in health care research, flaws in the development process immediately impact the chances of success. Knowledge regarding the causal mechanisms and interactions within the intended clinical context is needed to develop interventions that fit daily practice and are beneficial for the end-user. PMID- 29220741 TI - An update on the prevalence and incidence of epilepsy among older adults. AB - OBJECTIVE: To estimate the prevalence and incidence of epilepsy among beneficiaries of Arizona Medicare aged 65 and over. METHODS: An analysis of Medicare administrative claims data for 2009-2011 for the State of Arizona was conducted. Epilepsy was defined as a beneficiary who had either>=one claim with diagnostic code of 345.xx (epilepsy) or at least two claims with diagnosis code of 780.3x (seizure) >=30days apart. Stroke-related and psychiatric comorbidities were determined by diagnostic codes. Average annual prevalence and incidence were calculated and stratified by demographic characteristics and comorbidities. Odds ratios (OR) and 95% confidence intervals (CI) were calculated as measures of effect for prevalence and incidence and the chi-square statistic was calculated to compare the proportions of epilepsy cases with and without comorbidities (alpha=0.05). RESULTS: The overall average annual prevalence and incidence over the study period was 15.2/1000 and 6.1/1000, respectively. Relative to the 65-69 age group and White beneficiaries, the highest prevalence was observed for beneficiaries 85 years or older (19.8/1000, OR 1.66, 95% CI 1.53-1.81) and Native Americans (21.2/1000, OR 1.42, 95% CI 1.25-1.62). In contrast, the highest incidence rates were observed for beneficiaries 85 years and older (8.5/1000, OR 1.82, 95% CI 1.60-2.07) and for Black beneficiaries (8.7/1000, OR 1.44, 95% CI 1.12-1.86). The incidence rate for Native Americans was not significantly different from that for White beneficiaries (6.2/1000, OR 1.02, 95% CI 0.81 1.29). More than one quarter of all cases (25.7%) and 31% of incident cases had either stroke-related and/or psychiatric comorbidities (all p-values < 0.001). CONCLUSIONS: Epilepsy is a significant neurological disease among Medicare beneficiaries 65 years and older. Beneficiaries aged 85 and older and Black and Native Americans experienced higher rates of epilepsy than other demographic subgroups compared to White beneficiaries. PMID- 29220742 TI - Meta-analyses of newer antiepileptic drugs as adjunct for treatment of focal epilepsy in children. AB - AIM: This study conducted a systematic review evaluating the effectiveness of newer antiepileptic drugs (AEDs) (namely, lamotrigine, levetiracetam, topiramate, vigabatrin, zonisamide, oxcarbazepine, perampanel, gabapentin, and stiripentol) as add-on for treatment of focal epilepsy in children. METHODS: Articles were retrieved from EMBASE, Medline and Cochrane Library from inception to January 2016. Treatment outcomes were analysed based on responder, seizure-free, withdrawal and adverse event rates. Quality of each study was also assessed. RESULTS: Twelve articles fulfilled the inclusion criteria. Heterogeneity and quality of the included studies were considered acceptable. Overall, newer AEDs as adjunct therapy in children with inadequate control of focal seizure showed a trend of better seizure outcomes. The pooled ORs for responder, seizure-free and withdrawal rates were 2.15 (95%CI:1.72, 2.69), 1.99 (95%CI:0.72, 5.48) and 0.69 (95%CI:1.13, 2.39) respectively. Adverse events of newer AEDs were comparatively higher than placebo (OR:1.64, 95%CI:1.13, 2.39). CONCLUSION: In our updated review, newer AEDs as adjunct therapy for focal epilepsy in children have trends of better effectiveness compared to placebo. Newer AEDs are associated with statistically more children with >50% seizure reduction, and a trend of better seizure freedom. Their tolerability would also be considered acceptable with the observed low withdrawal rate. However, the relative lack of well-conducted RCTs evaluating their effectiveness against other active AED treatment in children would not facilitate evidence-based practice. This highlights the knowledge gap and the need for more well-conducted RCTs against active treatments to ascertain the long term effectiveness and the role of newer AEDs in managing epilepsy in children. PMID- 29220733 TI - A fast method for GHB-GLUC quantitation in whole blood by GC-MS/MS (TQD) for forensic purposes. AB - gamma-Hydroxybutyric acid (GHB) is an endogenous compound with a historical use, both in licit and illicit terms. Importantly, the post-mortem behavior of GHB has been studied due to the possibility of using this compound as a biomarker for estimating the post-mortem interval (PMI). However, the post-mortem behavior of the recently discovered glucuronated GHB metabolite (GHB-GLUC) has not been studied. Nevertheless, GHB-GLUC may also have potential both to assist in PMI determination and also to increase the window of detection of GHB consumption. In this work, for the first time, a reliable method using GC-MS/MS for the quantification of GHB-GLUC in whole blood samples was developed and validated, with a simple, fast and cheap sample pretreatment. The method proved to be specific, precise, linear in a work range between 200 and 5000ng/mL, with LOD and LOQ of 52.65ng/mL and 200ng/mL, respectively, and an extraction recovery of 51%. Furthermore, the method was applied to a set of real post-mortem blood samples non-related with GHB intoxication and the obtained results were also discussed. PMID- 29220743 TI - The Cigarette Dependence Scale and Heaviness of Smoking Index as predictors of smoking cessation after 10weeks of nicotine replacement therapy and at 6-month follow-up. AB - INTRODUCTION: The reliability and validity of the Cigarette Dependence Scale (CDS) has been tested in online studies and compared with other tobacco dependence measures. Findings regarding its ability to predict smoking cessation have been mixed. We examined whether the CDS predicted cessation among a sample that received nicotine replacement therapy (NRT) at a community workshop and assessed the incremental predictive validity of the CDS-5 and CDS-12 over the 2 item Heaviness of Smoking Index (HSI). METHODS: Individuals 18 or older, smoking at least 10 cigarettes daily and intending to quit within 30days received 10weeks of NRT at a smoking cessation workshop. A total of 2661 individuals attended workshops throughout Ontario, Canada from 2007 to 2008 and completed the CDS and HSI at baseline. Follow-up surveys were conducted at end of treatment and 6months post-treatment. Smoking cessation outcome was 7-day point prevalence abstinence. RESULTS: The CDS-5, CDS-12 and HSI total scores predicted abstinence at end-of treatment and 6-month follow-up. The HSI was a slightly better predictor of abstinence according to pseudo-R2 and area under the receiver operating characteristic curve (AUC) values. In hierarchical regression analyses, both HSI items were independent predictors of cessation. Only one additional CDS item was a significant independent predictor of cessation at end of treatment, though higher scores were associated with greater odds of abstinence. CONCLUSION: The HSI had similar or marginally better predictive ability with respect to quit outcome compared to the CDS-5 and CDS-12 in a sample motivated to make a quit attempt using NRT. PMID- 29220744 TI - Sensitive detection of pyoverdine with an electrochemical sensor based on electrochemically generated graphene functionalized with gold nanoparticles. AB - The design and development of an electrochemical sensor for the sensitive and selective determination of pyoverdine, a virulence factor secreted by Pseudomonas aeruginosa, bacteria involved in nosocomial infections is presented in this work. The presence of pyoverdine in water and body fluids samples can be directly linked to the presence of the Pseudomonas bacteria, thus being a nontoxic and low cost marker for the detection of water pollution as well as for the biological contamination of other media. The sensor was elaborated using layer-by-layer technique for the deposition of a graphene-gold nanoparticles composite film on the graphite-based screen printed electrode, from aqueous suspension. Under optimal conditions, the electrochemical signal corresponding to the pyoverdine oxidation process was proportional to its concentration, showing a wide linear range from 1 to 100MUmolL-1 and a detection limit of 0.33MUmolL-1. This sensor discriminate with satisfactory recoveries the target analyte in different real matrices and also exhibited low response to other interfering species, proving that this technique is promising for medical and environmental applications. In addition, the proposed nanocomposite platform presented good reproducibility, high and long term stability, the sensitivity for pyoverdine remain unchanged after being stored at 4 degrees C for four weeks. PMID- 29220734 TI - High throughput routine determination of 17 tyrosine kinase inhibitors by LC MS/MS. AB - Several studies have shown that therapeutic drug monitoring of tyrosine kinase inhibitors (TKI) can improve their benefit in cancer. An analytical tool has been developed in order to quantify 17 tyrosine kinase inhibitors and 2 metabolites in human plasma (afatinib, axitinib, bosutinib, crizotinib, dabrafenib, dasatinib, erlotinib, gefitinib, imatinib, lapatinib, nilotinib, ponatinib, regorafenib, regorafenib M2, regorafenib M5, ruxolitinib, sorafenib, sunitinib, vandetanib). Drugs were arranged in four groups, according to their plasma concentration range: 0.1-200ng/ml, 1-200ng/ml, 4-800ng/ml and 25-5000ng/ml. Solid phase extraction was used and separation was performed with HPLC using a gradient system on a solid core particle C18 column (5*2.1mm, 1.6MUm). Ions were detected with a triple quadrupole mass spectrometry system. This assay allows rapid determination of 19 TKI in less than 5min per run. This high throughput routine method will be useful to adjust doses of oral anticancer drugs in order to improve treatments efficacy. PMID- 29220746 TI - Testing bidirectional relationships between alcohol use and depressive symptoms: What is the role of the serotonin transporter gene? AB - Alcohol abuse often co-exists with a major depressive disorder. In order to understand the development of this comorbidity, it is important to concentrate on the preceding process. It has been suggested that the link between alcohol use and depressive symptoms is a result of an interaction with genetic factors. The aim of this study was to longitudinally examine the effect of the 5-HTTLPR genotype on the association between depressive symptoms and alcohol use in a Dutch community sample. Following a stepwise approach, bivariate correlations, longitudinal regression analyses, and latent growth curve analyses were separately conducted for 316 males and 321 females. A positive correlation between depressive symptoms and alcohol use was shown in female carriers of the 5 HTTLPR short allele. In addition, latent growth curve analyses showed a positive association between alcohol use and the intercept of depressive symptoms (but not the slope), but only in female carriers of the 5-HTTLPR short allele. These findings show that alcohol use may be positively related, at least cross sectionally, to depressive symptoms in female carriers of the 5-HTTLPR S allele, and indicate that moderators such as SLC6A4 genotype and sex need to be taken into account when examining associations between depressive symptoms and drinking behavior. In order to gain insight into the longitudinal association between alcohol use and depressive symptoms, studies should concentrate on earlier stages and focus on more fine-grained research designs that allow day-to-day changes in both alcohol use and depressive symptoms. PMID- 29220750 TI - Differential sensitivity of light-harnessing photosynthetic events in wheat and sunflower to exogenously applied ionic and nanoparticulate silver. AB - Potential impacts of inevitable leaks of silver nanoparticles (AgNPs) into environment on human beings need attention. Owing to the vitality of photosynthesis in maintaining life and ecosystem functioning, impacts of exogenously applied nanoparticulate and Ag+ on photosystem (PS)II function, which governs overall photosynthesis, in wheat and sunflower were evaluated. PSII efficiency and related Chl a fluorescence kinetics of these two plants remained unaffected by AgNPs. However, Ag+ caused a significant decline in the PSII activity and related fluorescence steps in wheat, but not in sunflower. Electron flow between QA and PQ pool was found most sensitive to Ag+. Number of active reaction centers, electron transport, trapping of absorbed light for photochemistry, and performance index declined, while dissipation of absorbed light energy as heat significantly increased in wheat exposed to Ag+. Total antioxidant activity in sunflower was least affected by both Ag and AgNPs. In contrast, in the case of wheat, the antioxidant activity was declined by Ag+ but not by AgNPs. Further, the amount of silver absorbed by plants exposed to Ag+ was higher than that absorbed by plants exposed to AgNPs. While wheat retained majority of Ag in its roots, sunflower showed major Ag accumulation in stem. Photosynthetic events in sunflower, unlike wheat, were least affected as no detectable Ag levels was recorded in their leaves. Our findings revealed that AgNPs seemed non/less-toxic to light harnessing photosynthetic machinery of wheat, compared to Ag+. Photosynthetic events in sunflower were not affected by Ag+, either, as its translocation to leaves was restricted. PMID- 29220747 TI - Effects of group II metabotropic glutamate receptor modulation on ethanol- and sucrose-seeking and consumption in the rat. AB - Previous studies suggest that group II metabotropic glutamate receptors (mGluR2/3) are involved in regulating ethanol-seeking and consumption. The mGluR2/3 agonist LY379268 (LY37) and selective mGluR2 positive allosteric modulator biphenyl-indanone A (BINA) were used to investigate the relative contribution of mGlu2 and mGlu3 receptors on ethanol- and sucrose-seeking and consumption. A microinjection study was then performed to examine the role of nucleus accumbens (NAc) core mGluR2/3 on ethanol-seeking. For the systemic experiments, separate groups of male Wistar rats [LY37 (0-2.0 mg/kg); BINA (0-20 mg/kg)] were trained to complete a response requirement (RR) resulting in access to 10% ethanol or 2% sucrose (in separate groups) for a 20-min drinking period. Animals then underwent consummatory testing (weekly drug injections with RR1) followed by appetitive testing (weekly drug injections followed by extinction session). A separate group of male Wistar rats was surgically implanted with bilateral guide cannulae directed toward the NAc core and had weekly microinjections followed by an extinction session. Systemic administration of the mGluR2/3 agonist LY37 significantly reduced ethanol- and sucrose-seeking. The same treatment also reduced sucrose consumption and body weight (24-h post injection). Systemic administration of the selective mGluR2 PAM BINA, however, had no effect on either seeking or consumption of ethanol or sucrose. Intra accumbens core LY37 significantly reduced ethanol-seeking. These findings suggest that systemic mGluR2/3 agonism, but not allosteric modulation of mGluR2, reduces reinforcer-seeking. In particular, NAc core group II mGluR may be involved in regulating ethanol-seeking. PMID- 29220749 TI - Phosphorus-loaded biochar changes soil heavy metals availability and uptake potential of maize (Zea mays L.) plants. AB - Biochar (BC) was produced by pyrolyzing the date palm leaf waste at 600 degrees C and then loaded with phosphorus (P) via sorption process. Greenhouse pot experiment was conducted to investigate the application effects of BC and P loaded biochar (BCP) on growth and availability of P and heavy metals to maize (Zea mays L.) plants grown in contaminated mining soil. The treatments consisted of BC and BCP (at application rates of 5, 10, 20, and 30 g kg-1 of soil), recommended NK and NPK, and a control (no amendment). Sorption experiment showed that Langmuir predicted maximum P sorption capacity of BC was 13.71 mg g-1. Applying BCP increased the soil available P, while BC and BCP significantly decreased the soil labile heavy metals compared to control. Likewise, heavy metals in exchangeable and reducible fractions were transformed to more stable fraction with BC and BCP applications. The highest application rate of BCP (3%) was most effective treatment in enhancing plant growth parameters (shoot and root lengths and dry matter) and uptake of P and heavy metals by 2-3 folds. However, based on metal uptake and phytoextraction indices, total heavy metals extraction by maize plants was very small for practical application. It could be concluded that using P-loaded biochar as a soil additive may be considered a promising tool to immobilize heavy metals in contaminated mining areas, while positive effects on the biomass growth of plants may assist the stabilization of contaminated areas affected by wind and water erosion. PMID- 29220754 TI - Association of high mortality with extended-spectrum beta-lactamase (ESBL) positive cultures in community acquired infections. AB - PURPOSE: Infections due to multidrug resistant organisms have become a serious health concern worldwide. The present study was conducted to investigate the spectrum of microbial resistance pattern in the community and their effects on mortality. METHODS: A retrospective review and analysis of prospectively collected data was done of all patients admitted with diagnosis of sepsis in two tertiary care ICU's for a period of two years. Demographics, culture positivity, microbial spectrum, resistance pattern and outcome data were collected. RESULTS: Out of 5309 patients enrolled; 3822 had suspected clinical infection on admission with 1452 patients growing positive microbial cultures. Among these, 201 bacterial strains were isolated from patients who had community acquired infections. 73% were Gram negative bacilli, commonest being E. coli (63%). 63.4% E. coli and 60.7% Klebsiella isolates were ESBL producers. The mortality in ESBL positive infections was significantly higher as compared to ESBL negative infections (Odds ratio 2.756). Moreover, ESBL positive patients empirically treated with Beta Lactams+Beta Lactamase inhibitors (BL+BLI) had significantly higher mortality as compared to patients treated with carbapenems. More data from multiple centres need to be gathered to formulate appropriate antibiotic policy for critically ill patients admitted from the community. PMID- 29220752 TI - Genomic characterization of the porcine CRTC3 and the effects of a non-synonymous mutation p.V515F on lean meat production and belly fat. AB - cAMP-responsive element-binding protein (CREB)-regulated transcriptional coactivator 3 (CRTC3) is well known to be related to obesity in humans and mice. However, the effects of CRTC3 have not been studied in pigs. Here, we characterized the structure of the porcine CRTC3 gene and identified single nucleotide polymorphisms (SNPs) in its coding region. Moreover, mRNA expression profiles of CRTC3 in muscle and fat tissues were examined. Of the 40 identified SNPs, the p.V515F mutation, located on exon 16, was genotyped in 368 Yorkshire pigs. The p.V515F mutation was significantly associated with lean meat production ability, including reduced back fat thickness (P=0.0317) and loin eye area (P=0.0174). Moreover, the SNP was significantly associated with differences in intermuscular fat (P=0.0092), total muscle area in the belly (P=0.0108), and total fat percentage in the belly (P=0.0298). Taken together, our results suggest that the p.V515F mutation affects to lean meat production ability and amount of belly fat. PMID- 29220751 TI - Photolysis of highly brominated flame retardants leads to time-dependent dioxin responsive mRNA expression in chicken embryonic hepatocytes. AB - Tetradecabromo-1,4-diphenoxybenzene (TeDB-DiPhOBz) and 2,2',3,3',4,4',5,5',6,6' decabromodiphenyl ether (BDE-209) are flame retardant chemicals that can undergo photolytic degradation. The present study compared the time-dependent photolyic degradation of TeDB-DiPhOBz and BDE-209, and dioxin-like product formation as a result of (UV) irradiation (I; irradiation time periods of 0, 1, 4, 15 and 40 days). Photo-degraded product fractions of UV-I-TeDB-DiPhOBz (nominal concentration: 1.9 MUM) were administered to chicken embryonic hepatocytes (CEH), and significant induction of CYP1A4/5 mRNA expression was observed for fractions collected at the day 15 and 40 time points (fold change of 7.3/3.6 and 9.1/4.7, respectively). For the UV-I-BDE-209 fractions (nominal concentration: 10 MUM), significant CYP1A4/5 up-regulation occurred at all time points, and the fraction collected on day 1 induced the greatest fold change of 510/86, followed by 410/68 (day 4) and 110/26 (day 15), respectively. For the UV-I-BDE-209 fraction collected at day 40, significant CEH cytotoxicity was observed. As a result, CYP1A4/5 expression was determined at a nominal concentration of 1 MUM instead of 10 MUM and CYP1A4/5 fold changes of 11/8.2 (day 40) were observed. Fractions eliciting the greatest CYP1A4/5 mRNA upregulation were further screened for transcriptomic effects using a PCR array comprising 27 dioxin-responsive genes. A total of 6 and 16 of the 27 target genes were up or down-regulated following UV-I TeDB-DiPhOBz and UV-I-BDE-209 exposure, respectively. Overall, and regardless of the formation rate, these results raise concerns regarding the potential formation of dioxin-like compounds from flame retardants in products and materials such as plastics, and in natural sunlight irradiation situations in the environment (e.g. in landfill sites or electronic waste facilities). PMID- 29220755 TI - Coronary artery calcification predicts cardiovascular complications after sepsis. AB - PURPOSE: Sepsis is a highly prevalent and fatal condition, with reported cardiovascular event rates as high as 25-30% at 1year. Risk stratification in septic patients has been extremely limited. MATERIAL AND METHODS: 267 septic patients with detectable troponin levels, APACHE II scores, and CT scans of the chest or abdomen were assessed. Patients with a recent cardiac intervention were excluded. Coronary artery calcification (CAC) was identified as present or absent on body CT scans. Cardiovascular death, acute myocardial infarction (AMI), or PCI at 1year was assessed using multivariate logistic regression analysis. RESULTS: Patients with CAC were older, predominantly male with more risk factors for coronary disease, but similar peak troponin levels and APACHE II scores. In a multivariate analysis, CAC was predictive of the primary outcome (OR 6.827; 95% CI 1.336-54.686; p=0.037). Patients with no CAC, history of CHF or CKD were at low risk (<1%) for cardiovascular complications at 1year even at very high troponin levels (<8.0ng/dL). CONCLUSION: CAC risk stratifies septic patients for cardiovascular complications better than traditional risk factors and can be identified on body CT scans. This novel, risk stratifying framework built on CAC can help guide individualized management of septic patients. PMID- 29220753 TI - A systematic review of the gait characteristics associated with Cerebellar Ataxia. AB - BACKGROUND: Cerebellar Ataxias are a group of gait disorders resulting from dysfunction of the cerebellum, commonly characterised by slowly progressing incoordination that manifests as problems with balance and walking leading to considerable disability. There is increasing acceptance of gait analysis techniques to quantify subtle gait characteristics that are unmeasurable by current clinical methods This systematic review aims to identify the gait characteristics able to differentiate between Cerebellar Ataxia and healthy controls. METHODS: Following systematic search and critical appraisal of the literature, gait data relating to preferred paced walking in Cerebellar Ataxia was extracted from 21 studies. A random-effect model meta-analysis was performed for 14 spatiotemporal parameters. Quality assessment was completed to detect risk of bias. RESULTS: There is strong evidence that compared with healthy controls, Cerebellar Ataxia patients walk with a reduced walking speed and cadence, reduced step length, stride length, and swing phase, increased walking base width, stride time, step time, stance phase and double limb support phase with increased variability of step length, stride length, and stride time. CONCLUSION: The consensus description provided here, clarifies the gait pattern associated with ataxic gait disturbance in a large cohort of participants. High quality research and reporting is needed to explore specific genetic diagnoses and identify biomarkers for disease progression in order to develop well-evidenced clinical guidelines and interventions for Cerebellar Ataxia. PMID- 29220756 TI - The impact of sustained new-onset atrial fibrillation on mortality and stroke incidence in critically ill patients: A retrospective cohort study. AB - PURPOSE: The purpose of the study is to evaluate the impact of sustained new onset AF on mortality and the incidence of stroke in critically ill non-cardiac surgery patients. MATERIAL AND METHODS: This was a retrospective cohort study of non-cardiac surgery patients with new-onset AF conducted in a general intensive care unit. We compared patients remaining in AF with those restored to sinus rhythm (SR) at 6h after the onset of AF and conducted multivariable logistic regression analysis for in-hospital mortality. We also examined the impact of the cumulative time of AF duration in the first 48h on hospital outcomes. RESULTS: New-onset AF occurred in 151 of 1718 patients (9%). Patients with sustained AF after 6h (34% of 151 patients included) experienced greater in-hospital mortality than patients with SR at 6h (37% vs. 20%, p=0.033). Multivariable logistic regression analysis confirmed the association between AF at 6h and in-hospital mortality (adjusted odds ratio, 3.14; 95% confidence intervals, 1.28-7.69; p=0.012). Patients with longer AF duration had greater in-hospital mortality (p=0.043) and in-hospital ischemic stroke incidence (p=0.041). CONCLUSION: Sustained new-onset AF is associated with poor outcomes. PMID- 29220758 TI - Interaction of a digestive protease, Candida rugosa lipase, with three surfactants investigated by spectroscopy, molecular docking and enzyme activity assay. AB - The extensive use of surfactants in food, laundry products and agriculture has caused concern about their biosafety. However, few studies have been done on their potential effect on the lipase which has always been used with surfactants in food and laundry industry. Herein, we investigated the interaction of three surfactants (sodium dodecyl sulfate (SDS), sodium dodecyl benzene sulfonate (SDBS), sodium lauryl sulfonate (SLS)) with Candida rugosa lipase (CRL), which is a popular biocatalyst used regularly with surfactants. The effect of the three surfactants on the conformation and activity of CRL was evaluated by using multiple spectral methods, enzyme activity assay and molecular docking modeling. The results demonstrated that CRL interacted with SDS, SDBS and SLS primarily through hydrophobic forces, H-bonding and electrostatic forces, respectively. The binding constants (KA) of SDBS with CRL varied with temperature: 1.99*103mol/L at 298K and 4.13*103mol/L at 318K. SDS and SDBS affected the secondary structure and skeleton of CRL, which changed the polarity of CRL and enhanced its activity. SLS also changed the secondary structure and activity of CRL moderately, but had little effect on its polarity and chromophore microenvironment. Accordingly, all three surfactants exhibited effect to CRL on the molecular level calling for more attention to pay on their biosafety. The work demonstrates that SDS, SDBS and SLS could cause negative effects to CRL from different angles and therefore are not bio-friendly detergents. PMID- 29220757 TI - Association between postoperative fluid balance and acute kidney injury in patients after cardiac surgery: A retrospective cohort study. AB - PURPOSE: The present study aims to explore appropriate postoperative fluid management in patients after cardiac surgery. MATERIALS AND METHODS: Data were extracted from an online database. Associations between fluid balance (FB), fluid intake and mortality were investigated. RESULTS: Compared to zero FB (level 3), more negative FB (level 1, odds ratio (OR): 0.938, 95% CI: 0.631-1.394; level 2, OR: 0.921, 95% CI: 0.709-1.196) could not further decrease AKI incidence while positive FB was associated with higher AKI incidence (level 4, OR: 1.272, 95% CI: 1.028-1.573; level 5, OR: 2.042, 95% CI: 1.652-2.524). Both limited (level 1, OR: 1.354, 95% CI: 1.065-1.699) and increased postoperative fluid intake (level 3, OR: 1.127, 95% CI: 0.890-1.430; to level 5, OR: 1.405, 95% CI: 1.105-1.786) were associated with increased AKI incidence, compared to level 2. Multivariable logistic models using linear spline function showed a similar pattern. CONCLUSIONS: Compared to zero FB, postoperative positive FB was associated with higher AKI incidence. Yet, the association between negative FB and AKI was insignificant. A "U"-shape association between postoperative fluid intake and AKI was detected. PMID- 29220760 TI - Historical trace element accumulation in marine sediments from the Tamaulipas shelf, Gulf of Mexico: An assessment of natural vs anthropogenic inputs. AB - : The Gulf of Mexico is considered one of the world's major marine ecosystems, supporting important fisheries and habitats such as barrier islands, mangrove forests, seagrass beds, coral reefs etc. It also hosts a range of complex offshore petroleum exploration, extraction, and refining industries, which may have chronic or acute impacts on ecosystem functioning. Previous work on the marine effects of this activity is geographically incomplete, and has tended to focus on direct hydrocarbon impacts, while impacts from other related contaminants (e.g. heavy metals, salt-rich drilling muds) which may be discharged from oil facilities have not been widely assessed. Here, we examine historical trace element accumulation in marine sediments collected from four sites in the Tamaulipas shelf, Gulf of Mexico, in the area of the Arenque oil field. Dated sediment cores were used to examine the sources, and historical and contemporary inputs, of trace metals (including those typically present in oil industry discharges) and their potential biological impact in the Tamaulipas aquatic environment over the last 100years. CaO (i.e. biogenic component) normalized data showed increasing V, Cr, Zn, Cu, Pb, Zr and Ba towards the sediment surface in three of the four cores, with Ba and V (based on an adverse effect index) possibly associated with adverse effects on organisms. Dated Ba/CaO profiles show an increase of 30-137% after opening of oil installations in the study area, and can be broadly correlated with increasing oil industry activities across the wider Gulf of Mexico. Data do not record however a clear enhancement of Ba concentration in sediment cores collected near to oil platforms over more distal cores, indicating that any Ba released from drilling platforms is incorporated quickly into the sediments around the drilling sites, and once this element has been deposited its rate of resuspension and mobility is low. CAPSULE ABSTRACT: Sediment core data from the Tamaulipas shelf show the influence of oil industry activities on selected trace element concentrations, with Ba/CaO broadly correlating with increasing oil industry activities across the wider Gulf of Mexico. PMID- 29220748 TI - Assisted phytostabilization of a multicontaminated mine technosol using biochar amendment: Early stage evaluation of biochar feedstock and particle size effects on As and Pb accumulation of two Salicaceae species (Salix viminalis and Populus euramericana). AB - Soil contamination by metal(loid)s is one of the most important environmental problem. It leads to loss of environment biodiversity and soil functions and can have harmful effects on human health. Therefore, contaminated soils could be remediated, using phytoremediation. Indeed, plant growth will improve soil conditions while accumulating metal(loid)s and modifying their mobility. However, due to the poor fertility and high metal(loid)s levels of these soils, amendments, like biochar, has to be applied. This study was performed on a former mine technosol contaminated by As and Pb and aimed to study (i) the effect of biochar on soil physico-chemical properties and plant phytostabilization potential (ii) biochar feedstock and particle size effects. In this goal, a mesocosm experiment was set up using four different biochars, obtained from two feedstocks (lightwood and pinewood) and harboring two particle sizes (inf. 0.1 mm and 0.2-0.4 mm) and two Salicaceae species. Soil and soil pore water physico chemical properties as well as plant growth and metal(loid)s distribution were assessed. The results showed that biochar was efficient in improving soil physico chemical properties and reducing Pb soil pore water concentrations. This amelioration allowed plant growth and increased dry weight production of both species. Regarding metal(loid)s distribution, willow and poplar showed an As and Pb accumulation in roots and low translocation towards edible parts, i.e stems and leaves, which shows a phytostabilization potential. Finally, the 2 biochar parameters, feedstock and particle size, only affected soil and soil pore water physico-chemical properties while having no effect on plant growth. PMID- 29220759 TI - Polymer inclusion membrane to access Zn speciation: Comparison with root uptake. AB - Metal speciation studies can be performed with a new technique based on a functionalized membrane. The estimation of not only the total amount of metal, but also the metal available to living organisms is very important. In this context, we have investigated the use of a polymer inclusion membrane (PIM) in a new tool for the determination of free metal ion concentration. In order to check the usefulness of PIM devices in metal speciation studies and metal availability to potato plants (Solanum tuberosum), Zn has been chosen as a case study. The PIM designed for Zn transport uses polyvinyl chloride (PVC) as polymer and di-(2 ethylhexyl) phosphoric acid (D2EHPA) as carrier, with 0.01M nitric acid in the receiving solution. The stability of the PIM has been demonstrated and good linearity of PIM-device fluxes (JPIM) with free metal concentration was observed for total metal concentrations ranging from 3MUM up to 70MUM. The presence of different ligands, such as ethylenediaminetetraacetic acid (EDTA), humic acid (HA) and citrate, greatly influences the measured JPIM because the formation of metal complexes in the donor phase decreases the free Zn concentration in the sample. Good correlation has been found when comparing PIM fluxes and metal accumulation in potato plants roots in the presence of EDTA. But, the root uptake did not change when adding citrate and HA to the hydroponic medium, so the uptake does not always follows the Free Ion Activity Model (FIAM). These ligands might induce physiological changes in the roots and enhance metal uptake. PMID- 29220745 TI - Identification and characterization of six peroxiredoxin transcripts from mud crab Scylla paramamosain: The first evidence of peroxiredoxin gene family in crustacean and their expression profiles under biotic and abiotic stresses. AB - The peroxiredoxins (Prxs) define a novel and evolutionarily conserved superfamily of peroxidases able to protect cells from oxidative damage by catalyzing the reduction of a wide range of cellular peroxides. Prxs have been identified in prokaryotes as well as in eukaryotes, however, the composition and number of Prxs family members vary in different species. In this study, six Prxs were firstly identified from the mud crab Scylla paramamosain by RT-PCR and RACE methods. Six SpPrxs can be subdivided into three classes: (a) three typical 2-Cys enzymes denominated as Prx1/2, 3, 4, (b) two atypical 2-Cys enzymes known as Prx5-1 and Prx5-2, and (c) a 1-Cys isoform named Prx6. The evolutionarily conserved signatures of peroxiredoxin catalytic center were identified in all six SpPrxs. Phylogenetic analysis revealed that SpPrx3, SpPrx4, SpPrx5s and SpPrx6 were clearly classified into Prx3-6 subclasses, respectively. Although SpPrx1/2 could not be grouped into any known Prx subclasses, SpPrx1/2 clustered together with other arthropods Prx1 or unclassified Prx and could be classified into the typical 2-Cys class. The comparative and evolutionary analysis of the Prx gene family in invertebrates and vertebrates were also conducted for the first time. Tissue-specific expression analysis revealed that these six SpPrxs were expressed in different transcription patterns while the highest expression levels were almost all in the hepatopancreas. Quantitative RT-PCR analysis exhibited that the gene expression profiles of six SpPrxs were distinct when crabs suffered biotic and abiotic stresses including the exposures of Vibrio alginolyticus, poly (I:C), cadmium and hypoosmotic salinity, suggesting that the SpPrxs might play different roles in response to various stresses. The recombinant proteins including the SpPrx1/2, SpPrx4, SpPrx5-1 and SpPrx6 were purified and the peroxidase activity assays indicated that all these proteins can reduce H2O2 in a typical DTT dependent manner. To our knowledge, this is the first study about the comprehensive characterization of Prx gene family in Scylla paramamosain and even in crustaceans. These results would broaden the current knowledge of the whole Prx family as well as be helpful to understand and clarify the evolutionary pattern of Prx family in invertebrate and vertebrate taxa. PMID- 29220761 TI - Climate-change potential effects on the hydrological regime of freshwater springs in the Italian Northern Apennines. AB - In large areas of the Italian Northern Apennines, hundreds of low-yield springs provide water for drinking and industrial purposes, with short groundwater flow paths being formed within fractured sedimentary rock units. This hydrogeological setting results in spring water discharges that closely follow meteoric water recharge patterns, leading to low-flow periods concentrated in the summer/early autumn. Therefore, the springs' outflow can be very sensitive to a shortage in water recharge, as it was the case in 2003 and 2017, when a prolonged period of drought caused severe water management issues. This work analyses how a group of such springs responds to climate change. In particular, we first validated a hydrological rainfall-runoff model on the basis of daily discharge data collected between 2013 and 2016. Then, outflows were simulated for baseline (1984-2013) and future periods (2021-2050) using weather data provided by five RCM-GCM combinations. Finally, we performed statistical analyses aiming to examine the intra-annual variability in discharge rates, low-flow indices, flow-duration curves and the length of low-flows. Results show no evidence of change in mean annual discharges, but future climate estimates suggest a slight change to seasonal discharges in the future, with a marked increase of discharge during winter and spring, and a decrease in summer and autumn. Q(95) and 7Q10 low-flow indices (i.e. the daily discharge exceeded 95% of the time and the minimum weekly discharge associated with a 10-year recurrence interval, respectively) are significantly affected by the climate change (-21.8% and -25.0%, respectively), while droughts are expected to be more frequent: the number of years with a consecutive low-flow between 51 and 100days to increase by a third, and between 101 and 150 to duplicate. PMID- 29220762 TI - Foundations of the participatory approach in the Mekong River basin management. AB - Integrated Water Resource Management (IWRM) was acknowledged as a leading concept in the water management for the last two decades by academia, political decision makers and experts. It strongly promotes holistic management and participatory approaches. The flexibility and adaptability of IWRM concept are especially important for large, transboundary river basins - e.g. the Mekong river basin - where natural processes and hazards, as well as, human-made "disasters" are demanding for a comprehensive approach. In the Mekong river basin, the development and especially the enforcement of one common strategy has always been a struggle. The past holds some unsuccessful experiences. In 2016 Mekong River Commission published IWRM-based Basin Development Strategy 2016-2020 and The Mekong River Commission Strategic Plan 2016-2020. They should be the main guiding document for the Mekong river development in the near future. This study analyzes how the concept of public participation resembles the original IWRM participatory approach in these documents. Therefore, IWRM criteria for public participation in international literature and official documents from the Mekong river basin are compared. As there is often a difference between "de jure" and "de facto" implementation of public participation in management concepts, the perception of local stakeholders was assessed in addition. The results of social survey give an insight if local people are aware of Mekong river basin development and present their dominant attitudes about the issue. The findings enable recommendations how to mitigate obstacles in the implementation of common development strategy. PMID- 29220763 TI - Concentration and spectroscopic characteristics of DOM in surface runoff and fracture flow in a cropland plot of a loamy soil. AB - Being crucial for predicting the impact of source inputs on a watershed in rainfall events, an understanding of the dynamics and characteristics of dissolved organic matter (DOM) export from the soil under particular land use types, particularly those associated with underground flows is still largely lacking. A field study was carried out using a 1500m2 slope farmland plot in the hilly area of Sichuan Basin, Southwest China. The discharge of surface runoff and fracture flow was recorded and samples were collected in four representative rainfall events. For DOM characterization, concentration of dissolved organic carbon (DOC) and absorbance/excitation-emission matrix (EEM) fluorescence were analyzed. Soil water potential was also determined using tensiometers for understanding the runoff generation mechanisms. The DOC values for both surface and fracture flow showed significant responses to rainfall, with hydrological path being the primary factor in determining DOM dynamics. EEM-PARAFAC analyses indicated that the soil DOM mainly consisted of two terrestrial humic-like components with peaks located at Ex/Em 270(380)/480nm (C1) and 250(320)/410nm (C2), respectively. Concentrations of these components also responded strongly to rainfall, fluctuating in good agreement with the corresponding DOCs. Although there was no change in the presence of the components themselves, their relative distributions varied during precipitation, with the C1/C2 ratio increasing with the proportion of soil pre-event water. As the dynamic changes of soil DOM characteristics can be successfully captured using spectroscopic techniques, they may serve as a tracer for understanding hydrological paths based on their potential correlations with water source differences during rains. PMID- 29220769 TI - Influence of urban pattern on inundation flow in floodplains of lowland rivers. AB - The objective of this paper is to investigate the respective influence of various urban pattern characteristics on inundation flow. A set of 2000 synthetic urban patterns were generated using an urban procedural model providing locations and shapes of streets and buildings over a square domain of 1*1km2. Steady two dimensional hydraulic computations were performed over the 2000 urban patterns with identical hydraulic boundary conditions. To run such a large amount of simulations, the computational efficiency of the hydraulic model was improved by using an anisotropic porosity model. This model computes on relatively coarse computational cells, but preserves information from the detailed topographic data through porosity parameters. Relationships between urban characteristics and the computed inundation water depths have been based on multiple linear regressions. Finally, a simple mechanistic model based on two district-scale porosity parameters, combining several urban characteristics, is shown to capture satisfactorily the influence of urban characteristics on inundation water depths. The findings of this study give guidelines for more flood-resilient urban planning. PMID- 29220771 TI - Estimation of refueling emissions based on theoretical model and effects of E10 fuel on refueling and evaporative emissions from gasoline cars. AB - The effects of Reid vapor pressure (RVP) on refueling emissions and the effects of ethanol 10% (E10) fuel on refueling and evaporative emissions were observed using six cars and seven fuels. The results indicated that refueling emissions can be reproduced by a simple theoretical model in which fuel vapor in the empty space in the tank is pushed out by the refueling process. In this model, the vapor pressures of fuels can be estimated by the Clausius-Clapeyron equation as a function of temperature. We also evaluated E10 fuel in terms of refueling and evaporative emissions, excluding the effect of contamination of ethanol in the canister. E10 fuel had no effect on the refueling emissions in cases without onboard refueling vapor recovery. E10 showed increased permeation emissions in evaporative emissions because of the high permeability of ethanol. And with E10 fuel, breakthrough emissions appeared earlier but broke through slower than normal fuel. Finally, canisters could store more fuel vapor with E10 fuel. PMID- 29220764 TI - The changing pattern of urban flooding in Guangzhou, China. AB - Extensive research has focused on modelling and analysis of urban flooding in relatively small catchments. Findings in small areas tend to be site-specific, and may not be applicable to larger study areas. Larger scale studies can identify general patterns and influential factors; however, few studies have investigated urban flooding on a larger scale such as a metropolitan area. In this study, we explored the spatial-temporal patterns of urban flooding during the period of 2009-2015 in the central area of Guangzhou, China. Under the framework of Pressure (precipitation and impervious surface)-State (urban flooding)-Response (drainage improvement), we evaluated reasons for the State change and effectiveness of the Response. Overall the urban flooding state showed a fluctuating and improving trend. The fluctuation of the flooding state trend is due to precipitation variation, and the improving trend is attributed to drainage improvement. Furthermore, drainage improvement in the upstream area had led to new flooding in the downstream area. It is evident that the mitigation effect of urban flooding in Guangzhou varied significantly across the city. It is further suggested to regularly collect urban flooding records in cities with flood risk, so that more appropriate policies and measures about urban flooding mitigation can be developed. PMID- 29220765 TI - Transient disturbance of engineered ZnO nanoparticles enhances the resistance and resilience of anammox process in wastewater treatment. AB - The increasing use of engineered nanoparticles (NPs) in consumer and industrial products raises concerns about their environmental impacts, but their potential influence on anaerobic ammonium oxidation (anammox) process in wastewater treatment remains unknown. In this study, the response of granule-based anammox reactor to different loads of ZnONPs was investigated. The introduction of 1-5mgL 1 ZnONPs did not affect reactor performance, but 90% of the nitrogen removal capacity was deprived by a shock of 10mgL-1 ZnONPs within 3days. Anammox activity was significantly inhibited, but no significant stimulation of intracellular reactive oxygen species (ROS) production or extracellular lactate dehydrogenase (LDH) activity was observed. The inhibition was thus mainly due to the accumulation of toxic Zn(II) ions in anammox biomass. However, the resistance and resilience of this anammox reactor to ZnONPs were enhanced by intermittent perturbations in the mode of "shock-recovery". The up-regulated abundance of Zn(II)-exporter ZntA might contribute to the enhanced resistance. In addition, these repeated transient disturbances improved the functional specificity of the anammox community despite the reduction of its diversity. Overall, these results may provide useful references for evaluating and controlling the risk of NPs to anammox process. PMID- 29220770 TI - Role of methanogenesis on the biotransformation of organic micropollutants during anaerobic digestion. AB - Several studies showed that some organic micropollutants (OMPs) are biotransformed during anaerobic digestion (AD). Yet, most of them aim at reporting removal efficiencies instead of understanding the biotransformation process. Indeed, how each of the main AD stages (i.e., hydrolysis, acidogenesis, and methanogenesis) contribute to OMP biotransformation remains unknown. This study focuses on investigating the role of methanogenesis, the most characteristic step of AD, to OMP removal. More specifically, the sorption and the biotransformation of 20 OMPs by methanogenic biomass were analyzed determining their concentrations in both liquid and solid phases. Sorption onto methanogenic biomass displayed a similar behavior as reported for digested sludge. Most of the OMPs were biotransformed to a medium extent (35-70%) and only sulfamethoxazole was completely removed. Comparing these results with those reported for the complete AD process, methanogenesis was proven to play a key role, accounting for more than 50% of the OMP biotransformation (except for roxithromycin) during AD. An increase in the organic loading rate from 1 to 2gCOD/Ld, typical loads employed in sewage sludge anaerobic digesters, did not exert a clear cometabolic effect on the OMPs biotransformation. It is hypothesized that biotransformation occurs in both liquid and solid phases because no link between the partition coefficient (Kd) and the overall biotransformation efficiency was found. These findings allow a better understanding of the OMPs fate under anaerobic conditions, which is necessary to design efficient biological mitigation strategies. PMID- 29220772 TI - Column-integrated aerosol optical properties of coarse- and fine-mode particles over the Pearl River Delta region in China. AB - The sun-photometer data from 2011 to 2013 at Panyu site (Panyu) and from 2007 to 2013 at Dongguan site (Dg) in the Pearl River Delta region, were used for the retrieving of the aerosol optical depth (AOD), single scattering albedo (SSA), Angstrom exponent (AE) and volume size distribution of coarse- and fine-mode particles. The coarse-mode particles presented low AOD (ranging from 0.05+/-0.03 to 0.08+/-0.05) but a strong absorption property (SSA ranged from 0.70+/-0.03 to 0.90+/-0.02) for the wavelengths between 440 and 1020nm. However, these coarse particles accounted for <10% of the total particles. The AOD of fine particles (AODf) was over 3 times as large as that of coarse particles (AODc). The fine particles SSA (SSAf) generally decreased as a function of wavelength, and the relatively lower SSAf value in summer was likely to be due to the stronger solar radiation and higher temperature. More than 70% of the aerosols at Panyu site were dominated by fine-mode absorbing particles, whereas about 70% of the particles at Dg site were attributed to fine-mode scattering particles. The differences of the aerosol optical properties between the two sites are likely associated with local emissions of the light-absorbing carbonaceous aerosols and the scattering aerosols (e.g., sulfate and nitrate particles) caused by the gas phase oxidation of gaseous precursors (e.g., SO2 and NO2). The size distribution exhibited bimodal structures in which the accumulation mode was predominant. The fine-mode volume showed positive dependence on AOD (500nm), and the growth of peak value of the fine-mode volume was higher than that of the coarse volume. Both the AOD and SSA increased with increasing relative humidity (RH), while the AE decreased with increasing RH. These correlations imply that the aerosol properties are greatly modified by condensation growth. PMID- 29220767 TI - Morphological and biomechanical response to eutrophication and hydrodynamic stresses. AB - Eutrophication and hydrodynamics determine the final distribution patterns of aquatic macrophytes; however, there is limited available knowledge regarding their interactive effects. Morphological and biomechanical responses to eutrophication and hydrodynamic stresses were assessed by sampling five abundant and dominant species, Potamogeton maackianus, P. pectinatus, P. lucens, Ceratophyllum demersum and Myriophyllum spicatum, in three macrophyte beds in Lake Erhai, Yunnan Province, China: one exposed to eutrophication and moderate southeast (SE) wind; one with mesotrophication, but sheltered by the lakeshore, with weak wind disturbance; and one with meso-eutrophication and strong SE wind. The results showed significant interactive effects of eutrophication and hydrodynamics on most biomechanical traits and some morphological traits, suggesting that aquatic macrophytes preferentially undergo biomechanical adjustments to resist the coexisting eutrophication and hydrodynamic stresses. In particular, hydrodynamics increased both the tensile force and tensile strain of P. maackianus under meso-eutrophication and dramatically decreased them in eutrophic areas, suggesting that eutrophication triggers mechanical failure in this species. Additionally, P. pectinatus, C. demersum and M. spicatum showed the lowest and highest values for the biomechanical variables (greater values for M. spicatum) in the most eutrophic and hydrodynamic areas, respectively, implying that increases in hydrodynamics primarily induce mechanical damage in eutrophic species. The plants generally exhibited greater tensile strain in both shallow and deep waters and the greatest tensile force at moderate depths. The stem cross sectional area, plant height, stem length, internode length, and branch traits were all responsible for determining the biomechanical variables. This study reveals that hydrodynamic changes primarily induce mechanical damage in eutrophic species, whereas eutrophication triggers mechanical damage in sensitive species. PMID- 29220766 TI - A global framework to model spatial ecosystems exposure to home and personal care chemicals in Asia. AB - This paper analyzes spatially ecosystem exposure to home and personal care (HPC) chemicals, accounting for market data and environmental processes in hydrological water networks, including multi-media fate and transport. We present a global modeling framework built on ScenAT (spatial scenarios of emission), SimpleTreat (sludge treatment plants), and Pangea (spatial multi-scale multimedia fate and transport of chemicals), that we apply across Asia to four chemicals selected to cover a variety of applications, volumes of production and emission, and physico chemical and environmental fate properties: the anionic surfactant linear alkylbenzene sulphonate (LAS), the antimicrobial triclosan (TCS), the personal care preservative methyl paraben (MeP), and the emollient decamethylcyclopentasiloxane (D5). We present maps of predicted environmental concentrations (PECs) and compare them with monitored values. LAS emission levels and PECs are two to three orders of magnitude greater than for other substances, yet the literature about monitored levels of LAS in Asia is very limited. We observe a good agreement for TCS in freshwater (Pearson r=0.82, for 253 monitored values covering 12 streams), a moderate agreement in general, and a significant model underestimation for MeP in sediments. While most differences could be explained by uncertainty in both chemical/hydrological parameters (DT50water, DT50sediments, Koc, foc, TSS) and monitoring sites (e.g. spatial/temporal design), the underestimation of MeP concentrations in sediments may involve potential natural sources. We illustrate the relevance of local evaluations for short-lived substances in fresh water (LAS, MeP), and their inadequacy for substances with longer half-lives (TCS, D5). This framework constitutes a milestone towards higher tier exposure modeling approaches for identifying areas of higher chemical concentration, and linking large-scale fate modeling with (sub) catchment-scale ecological scenarios; a major limitation in model accuracy comes from the discrepancy between streams routed on a gridded, 0.5 degrees *0.5 degrees global hydrological network and actual locations of streams and monitoring sites. PMID- 29220768 TI - Analysis of airborne Olea pollen in Cartagena (Spain). AB - Olive cultivation is of great importance in Southern Europe but olive pollen is the leading cause of allergy in many regions where it is grown. The best preventive measure for allergic patients is to avoid exposure. Thus, aerobiological monitoring networks must supply realistic pollen classes for the different types of allergic pollen. Even though those pollen classes are defined, they do not necessarily fit local data. Altogether, they should use predictive models to assess flowering intensity in advance. In this study, the Olea pollen degree of exposure classes (OPDEC) are defined based on percentiles and a predictive model is suggested for Cartagena, Spain. 24year (1993-2016) Olea pollen counts series was used to characterize the Main Pollen Season (MPS). The aerobiological samples were processed following the methodology proposed by Hirst and developed by the Spanish Aerobiology Network. The aerobiological database was completed with the meteorological data supplied by AEMET (Spanish State Meteorological Agency). MPS evolution over time, and its relation with temperature and rainfall, has been analysed. The study showed an increase in MPS duration and the amount of Olea pollen grains collected both in MPS and the peak day. The OPDEC should fit local data to improve preventive measures. Based on the 24year series, the proposed OPDEC for Cartagena are: Low (<=10grains/m3), Medium (between 10 and 50grains/m3), High (between 51 and 100grains/m3) and Very High (>=100grains/m3). Olea pollen estimations in the MPS and in the peak day were obtained by means of three Regression Methods and climatic factors. The analysis reveals that the Bagging for Regression Trees (BRT) method is a good predictive alternative and stablishes the importance for each meteorological variable. PMID- 29220774 TI - Mitigating land pollution through pesticide packages - The case of a collection scheme in Rural China. AB - Pesticide packages that are discarded on agricultural land can contaminate water bodies and pose a threat to the environment and human health. Little is known about how developing countries deal with this kind of land pollution. While in developed countries, packages are collected by professional organizations, the smallholder context in developing countries makes the collection of this waste much more difficult. This paper introduces and analyses a successful Pesticide Package Collection Scheme in one of the poorest regions in China, i.e. Guangxi Province. The purpose of the paper is to analyze and discuss how such a scheme can be established by multiple actors. The paper finds that the underlying success factors for establishing such a scheme are 1.) that a scheme piggy-bags on existing economic structures that reach out to farmers (e.g. associations); 2.) that the scheme itself facilitates actors' exchange of resources to establish a temporary resource equilibrium; 3.) that all stakeholders obtain returns on their investment, even if the quality and time scale of these returns may differ. The initiation of the scheme by a pesticide company however increased both its political and market influence. Caution hence has to be paid to whether the short term improvement in land pollution happens at the expense of a dependency on and increased use of certain kinds of pesticides. PMID- 29220773 TI - Climate change and dengue fever transmission in China: Evidences and challenges. AB - Dengue Fever (DF) has become one of the most serious infectious diseases in China. Dengue virus and its vector (Aedes mosquito) are known to be sensitive to climate condition. Climate impacts DF through affecting three essential bioecological aspects: DF virus, vector (mosquito) and DF transmission environment. Weather-based DF model, mosquito model and climate model are the three pillars to help the prediction of DF distribution. Through a systematic review of literature between 1980 and 2017, this paper summarizes empirical evidences in China on the impact of climate change on DF; it further reviews the related DF incidence models and their findings on how changes in weather factors may impact DF occurrences in China. Compared with some well-known research projects in the western countries, there is a lack of knowledge in China regarding how the spatiotemporal distribution of DF will respond to climate change. However, being able to predict DF distribution is key to China's efforts to prevent and control DF transmission. We conclude this paper by recommending four focused areas for China: promoting more advanced research on the relationship between extreme weather events and DF, developing regional-specific models for the high risk regions of DF in south China, encouraging interdisciplinary collaboration between climate studies and health services, and enhancing public health education and management at national, regional and local levels. PMID- 29220779 TI - Lower levels of serum copper in patients with Alzheimer's dementia: A controlled study from India. PMID- 29220776 TI - Analysis of metabolites of organophosphate and pyrethroid pesticides in human urine from urban and agricultural populations (Catalonia and Galicia). AB - Isotope dilution solid phase extraction UPLC-MS/MS has been used to develop a robust and rapid methodology for the determination of eight specific metabolites of organophosphate and pyrethroid pesticides in human urine. The use of methanol:acetone (25:75v/v) affords an improvement in extraction efficiency in comparison to these individual solvents. The use of synthetic urine improves selectivity and limits of detection for the calibration straight lines. The method provides detection limits of 14-69pg/ml and 18-19pg/ml for the organophosphate and pyrethroid metabolites, respectively. Urine analyses of these metabolites in urban non-occupationally exposed individuals and farm workers shows that ingestion of these pesticides occurred in both populations. The concentrations of organophosphate pesticide metabolites in the latter were twofold than those from non-exposed populations. PMID- 29220778 TI - Quantitative assessment of Naegleria fowleri and fecal indicator bacteria in brackish water of Lake Pontchartrain, Louisiana. AB - Brackish water samples from Lake Pontchartrain in Louisiana were assessed for the presence of pathogenic amoeba Naegleria fowleri, which causes primary amoebic meningoencephalitis (PAM). In our study, quantitative polymerase chain reaction (qPCR) methods were used to determine N. fowleri, E. coli, and enterococci in water collected from Lake Pontchartrain. N. fowleri target sequence was detected in 35.4% (56/158) of the water samples from ten sites around the lake. Statistically significant positive correlations between N. fowleri concentration and water temperature as well as E. coli (qPCR) were observed. Multiple linear regression (MLR) model shows seasonal factor (summer or winter) has significant effect on the concentration of N. fowleri, E. coli and enterococci (qPCR) concentration. Significant positive relationships between E. coli and enterococci was observed from both qPCR (r=0.25) and culture based method (r=0.54). Meanwhile, significant positive correlation between qPCR and culture based methods for enterococci concentration was observed (r=0.33). In our study, water temperature and E. coli concentration were indicative of N. fowleri concentrations in brackish water environment. Future research is needed to determine whether sediment is a source of N. fowleri found in the water column. PMID- 29220780 TI - The catatonic pupil: An unprivileged entity. PMID- 29220777 TI - Scenario modelling of land use/land cover changes in Munessa-Shashemene landscape of the Ethiopian highlands. AB - Models under a set of scenarios are used to simulate and improve our understanding of land use/land cover (LULC) changes, which is central for sustainable management of a given natural resource. In this study, we simulated and examined the possible future LULC patterns and changes in Munessa-Shashemene landscape of the Ethiopian highlands covering four decades (2012-2050) using a spatially explicit GIS-based model. Both primary and secondary sources were utilized to identify relevant explanatory variables (drivers) and LULC datasets for the model. Three alternative scenarios, namely Business As Usual (BAU), Forest Conservation and Water Protection (FCWP) and Sustainable Intensification (SI) were used. The simulated LULC map of 2012 was compared with the actual for model validation and showed a good consistency. The results revealed that areas of croplands will increase widely under the BAU scenario and would expand to the remaining woodlands, natural forests and grasslands, reflecting vulnerability of these LULC types and potential loss of associated ecosystem service values (ESVs). FCWP scenario would bring competition among other LULC types, particularly more pressure to the grassland ecosystem. Hence, the two scenarios will result in severe LULC dynamics that lead to serious environmental crisis. The SI scenario, with holistic approach, demonstrated that expansion of croplands could vigorously be reduced, remaining forests better conserved and degraded land recovered, resulting in gains of the associated total ESVs. We conclude that a holistic landscape management, i.e. SI, is the best approach to ensure expected production while safeguarding the environment of the studied landscape and elsewhere with similar geographic settings. Further study is suggested to practically test our framework through a research for development approach in a test site so that it can be used as a model area for effective use and conservation of our natural resources. PMID- 29220783 TI - A study to compare the differences between genders in psychiatric comorbidities in individuals with psychoses. AB - BACKGROUND: Psychiatric comorbidities worsen the outcome and increase severity of suffering in psychotic disorders. Gender differences have also been found to impact the severity and outcome in psychoses. In this background, this study attempted to compare psychiatric comorbidity between genders. AIMS AND OBJECTIVES: The aim was to compare psychiatric co-morbidity between men and women with psychotic disorders. METHODOLOGY: A descriptive cross sectional study design was used. Data was collected through clinical interviews using standardized tools as well as the current case records. We used the MINI neuropsychiatric interview 5.0 to generate an ICD 10 diagnosis for primary psychotic illness and psychiatric comorbidity. PANSS was used to assess severity. Calgary Depression Scale for Schizophrenia, Hamilton Anxiety rating scale, Yale Brown Obsessive Compulsive Scale, Alcohol Use Disorders Identification Test and Fagerstrom Nicotine Tolerance Questionnaire were used to study comorbidity. RESULTS: 100 patients were included in the study. 61% of the population had a psychiatric comorbidity. 42% of the men had significantly more multiple psychiatric comorbidities as compared to 7% among women. Men had significantly more substance use than women. Age of onset of psychosis was not found to be different between men and women. CONCLUSION: In this study men had more psychiatric comorbidity than women, owing to greater levels of substance use disorders and anxiety disorders. This could be one of the possible reasons for differing outcomes between men and women with psychotic disorders thus indicating need for systematic future researching in psychiatric comorbidities in psychoses. PMID- 29220781 TI - Activities of daily living in hospitalized patients with mental disorders. PMID- 29220785 TI - Metagenomic exploration reveals a marked change in the river resistome and mobilome after treated wastewater discharges. AB - Mobile genetic elements (MGEs) are key agents in the spread of antibiotic resistance genes (ARGs) across environments. Here we used metagenomics to compare the river resistome (collection of all ARGs) and mobilome (e.g., integrases, transposases, integron integrases and insertion sequence common region "ISCR" elements) between samples collected upstream (n = 6) and downstream (n = 6) of an urban wastewater treatment plant (UWWTP). In comparison to upstream metagenomes, downstream metagenomes showed a drastic increase in the abundance of ARGs, as well as markers of MGEs, particularly integron integrases and ISCR elements. These changes were accompanied by a concomitant prevalence of 16S rRNA gene signatures of bacteria affiliated to families encompassing well-known human and animal pathogens. Our results confirm that chronic discharges of treated wastewater severely impact the river resistome affecting not only the abundance and diversity of ARGs but also their potential spread by enriching the river mobilome in a wide variety of MGEs. PMID- 29220782 TI - Mindfulness-based interventions for chronic pain: Evidence and applications. AB - Chronic pain is estimated to occur in from 5.5% to 33% of the world's adult population (Gureje et al., 1998). Chronic pain is frequently treated with opiates, which has produced an opiate addiction crisis (Dowell et al., 2016). Several non-pharmacological treatment alternatives can help manage chronic pain. There is moderate evidence that mindfulness-based interventions (MBIs) such as meditation, yoga, and stress reduction lower the perception of pain, increase mobility, improve functioning and well-being. By integrating MBIs and other therapeutic interventions in a multi-disciplinary pain management plan, clinicians can improve treatment outcomes and potentially decrease pain-related medication utilization. PMID- 29220775 TI - SiO2 nanomaterial as a tool to improve Hordeum vulgare L. tolerance to nano-NiO stress. AB - This work was designed to assess the potential role of silicon dioxide nanomaterial (nano-SiO2) in enhancing barley's tolerance to nickel oxide nanomaterial (nano-NiO). For this purpose, plants were grown for 14days under nano-NiO (120mgkg-1) single and co-exposure with nano-SiO2 (3mgkg-1). The exposure of barley to nano-NiO caused a significant decrease in growth-related parameters and induced a negative response on the photosynthetic apparatus. However, upon nano-SiO2 co-exposure, the inhibitory effects of nano-NiO were partially reduced, with lower reductions in fresh and dry biomass, and with the recovery of the photosynthesis-related parameters. Plants growing under nano-NiO stress showed an overproduction of superoxide anion (O2.-), which favored the occurrence of oxidative stress and the enhancement of lipid peroxidation (LP), but the co-treatment with nano-SiO2 reverted this tendency, generally lowering or maintaining the levels of LP and stimulating the redox pathway of thiols. The evaluation of the antioxidant (AOX) system revealed that nano-NiO induced the accumulation of proline, along with a decrease in ascorbate in leaves. Furthermore, superoxide dismutase (SOD) activity was significantly enhanced and catalase (CAT) and ascorbate peroxidase (APX) seemed to have a pivotal role in H2O2 detoxification in leaves and roots, respectively. The response of the AOX system was even more prominent upon nano-SiO2 co-exposure, reinforcing the ameliorating functions of this nanomaterial. Overall, the present study highlighted the protective role of nano-SiO2 in barley plants under nano-NiO stress, possibly due to the Si-mediated protection against oxidative stress, by a more proactive performance of the plant AOX system. PMID- 29220786 TI - Magnetic susceptibility of spider webs as a proxy of airborne metal pollution. AB - The purpose of this pilot study was to test spider webs as a fast tool for magnetic biomonitoring of air pollution. The study involved the investigation of webs made by four types of spiders: Pholcus phalangioides (Pholcidae), Eratigena atrica and Agelena labirynthica (Agelenidae) and Linyphia triangularis (Linyphiidae). These webs were obtained from outdoor and indoor study sites. Compared to the clean reference webs, an increase was observed in the values of magnetic susceptibility in the webs sampled from both indoor and outdoor sites, which indicates contamination by anthropogenically produced pollution particles that contain ferrimagnetic iron minerals. This pilot study has demonstrated that spider webs are able to capture particulate matter in a manner that is equivalent to flora-based bioindicators applied to date (such as mosses, lichens, leaves). They also have additional advantages; for example, they can be generated in isolated clean habitats, and exposure can be monitored in indoor and outdoor locations, at any height and for any period of time. Moreover, webs are ubiquitous in an anthropogenic, heavily polluted environment, and they can be exposed throughout the year. As spider webs accumulate pollutants to which humans are exposed, they become a reliable source of information about the quality of the environment. Therefore, spider webs are recommended for magnetic biomonitoring of airborne pollution and for the assessment of the environment because they are non-destructive, low-cost, sensitive and efficient. PMID- 29220791 TI - Design, synthesis and biological activity evaluation of novel 4-subtituted 2 naphthamide derivatives as AcrB inhibitors. AB - A novel series of 4-substituted 2-naphthamide derivatives were designed, synthesized and evaluated for their biological activity. In particular, the ability of the compounds to potentiate the action of antibiotics, to inhibit Nile Red efflux and to target AcrB specifically was investigated. The results indicated that most of the 4-substituted 2-naphthamide derivatives were able to synergize with the antibiotics tested, and inhibit Nile Red efflux by AcrB in the resistant phenotype. Subsequent exclusion of compounds with off target effects such as outer- or inner membrane permeabilization identified compounds 7c, 7g, 12c, 12i and 13g as efflux pump inhibitors (EPIs). Particularly, compounds 7c, 7g and 12i were found to be the most potent EPIs, which synergized with the two substrates tested at lower concentrations than that of parent A3, demonstrating an improvement in potency as compared to A3. Additionally, when the outer membrane of E. coli was permeabilized, compound 12c displayed a huge increase in efficacy and was able to synergize with erythromycin at a concentration that was 16 times lower than that of the parent A3. Hence we were able to design and synthesize compounds that displayed significant increase in efficacy as EPIs against AcrB. PMID- 29220788 TI - Recent discovery of indoleamine-2,3-dioxygenase 1 inhibitors targeting cancer immunotherapy. AB - There has been great attention on indoleamine-2,3-dioxygenase 1 (IDO1) around cancer immunotherapy because of its role in enabling cancers to evade the immune system. The most recent spurt of high potent IDO1 inhibitors has been driven by the solution of the increased crystal structures of inhibitors with IDO1. Though the structural information of the active site of IDO1 obtained from the crystals are quite similar, the structures of reported potent inhibitors are quite different. Besides, while thousands of bioactive small molecule inhibitors of IDO1 exist, to date, only five compounds have entered clinical trials. In an effort to obtain more clinical drugs targeting IDO1, more comprehensive understanding of the active site of IDO1 and the structures of existing potent IDO1 inhibitors are necessary. Thus, this review mainly focus on the key features reported from specific crystal structures of IDO1 and an overview of the most recently developed IDO1 inhibitors under investigation and their other derived applications which may contribute to a better usage in cancer immunotherapy. PMID- 29220793 TI - Design, synthesis, and biological evaluation of novel highly selective polo-like kinase 2 inhibitors based on the tetrahydropteridin chemical scaffold. AB - Polo-like kinase 2 (Plk2) is a potential target for the treatment of cancer, which displays an important role in tumor cell proliferation and survival. In this report, according to the analysis of critical amino acid residue differences among Plk1, Plk2 and Plk3, and structure-based drug design strategies, two novel series of selective Plk2 inhibitors based on tetrahydropteridin chemical scaffold were designed and synthesized to target two specific residues, Lys86 and Tyr161 of Plk2. All compounds were evaluated for their inhibitory activity against Plk1 Plk3 and the cellular inhibition activity on six different human cancer cell lines. All efforts led to the identification of the most potent compounds C2 (3.40 nM against Plk2) and C21 (4.88 nM against Plk2) from the first and second series of selective Plk2 inhibitors respectively. Additionally, the selectivity of C21 over Plk1/3 was significantly increased with the selectivity indexes of 12.57 and 910.06. Moreover, most of our compounds exhibited antitumor activity in the nanomolar range in the MTT assay, indicating that our compounds, especially C2 and C21 could be promising Plk2 inhibitors for further anticancer research. PMID- 29220795 TI - Novel vanillin derivatives: Synthesis, anti-oxidant, DNA and cellular protection properties. AB - Antioxidants have been the subject of intense research interest mainly due to their beneficial properties associated with human health and wellbeing. Phenolic molecules, such as naturally occurring Resveratrol and Vanillin, are well known for their anti-oxidant properties, providing a starting point for the development of new antioxidants. Here we report, for the first time, the synthesis of a number of new vanillin through the reductive amination reaction between vanillin and a selection of amines. All the compounds synthesised, exhibited strong antioxidant properties in DPPH, FRAP and ORAC assays, with compounds 1b and 2c being the most active. The latter also demonstrated the ability to protect plasmid DNA from oxidative damage in the presence of the radical initiator AAPH. At cellular level, neuroblastoma SH-SY5Y cells were protected from oxidative damage (H2O2, 400 MUM) with both 1b and 2c. The presence of a tertiary amino group, along with the number of vanillin moieties in the molecule contribute for the antioxidant activity. Furthermore, the delocalization of the electron pair of the nitrogen and the presence of an electron donating substituent to enhance the antioxidant properties of this new class of compounds. In our opinion, vanillin derivatives 1b and 2c described in this work can provide a viable platform for the development of antioxidant based therapeutics. PMID- 29220787 TI - Assessment tools for microplastics and natural fibres ingested by fish in an urbanised estuary. AB - Microplastics and fibres occur in high concentrations along urban coastlines, but the occurrence of microplastic ingestion by fishes in these areas requires further investigation. Herein, the ingestion of debris (i.e., synthetic and natural fibres and synthetic fragments of various polymer types) by three benthic foraging fish species Acanthopagrus australis (yellowfin bream), Mugil cephalus (sea mullet) and Gerres subfasciatus (silverbiddy) in Sydney Harbour, Australia has been quantified and chemically speciated by vibrational spectroscopy to identify the polymer type. Ingested debris were quantified using gut content analysis, and identified using attenuated total reflectance Fourier transform infrared (ATR-FTIR) and Raman microspectroscopies in combination with principal component analysis (PCA). The occurrence of debris ingestion at the time of sampling ranged from 21 to 64% for the three species, and the debris number ranged from 0.2 to 4.6 items per fish for the different species, with ~53% of debris being microplastic. There was a significant difference in the amount of debris ingested among species; however, there was no difference among species when debris counts were standardised to fish weight or gut content weight, indicating that these species ingest a similar concentration of debris relative to their ingestion rate of other material. ATR-FTIR microspectroscopy successfully identified 72% of debris. Raman spectroscopy contributed an additional 1% of successful identification. In addition, PCA was used to non subjectively classify the ATR-FTIR spectra resulting in the identification of an additional 9% of the debris. The most common microplastics found were polyester (PET), acrylic-polyester blend, and rayon (semi-synthetic) fibres. The potential of using Raman microspectroscopy for debris identification was investigated and provided additional information about the nature of the debris as well as the presence of specific dyes (and hence potential toxicity). PMID- 29220789 TI - New estrogen receptor antagonists. 3,20-Dihydroxy-19-norpregna-1,3,5(10)-trienes: Synthesis, molecular modeling, and biological evaluation. AB - New estrogen receptor alpha (ERalpha) antagonists - 3,20-dihydroxy-19-norpregna 1,3,5(10)-trienes containing an additional carbocyclic ring D' at the 16alpha,17alpha positions - were synthesized. The effects of the new compounds on the MCF-7 breast cancer cells and ERalpha activation were investigated. All the steroids studied were synthesized starting from estrone methyl ether. The scaffold of compounds containing the six-membered ring D' was constructed via the Diels-Alder reaction of butadiene with 3-methoxy-19-norpregna-1,3,5(10),16 tetraen-20-one 5. The hydrogenation of primary 16alpha,17alpha-cyclohexeno-adduct 7 followed by 3-demethylation (by HBr-AcOH) and reduction of 20-oxo group (by LiAlH4) or in one step by DIBAH gave target mono- and dihydroxy steroids 9-11. The Corey-Chaykovsky reaction of the same 3-methoxy-19-norpregna-1,3,5(10),16 tetraen-20-one 5 gave 16alpha,17alpha-methylene-substituted compound. The reaction of the latter with DIBAH immediately yielded 3,20-dihydroxy 16alpha,17alpha-methyleno-19-norpregna-1,3,5(10)-triene 13. The same procedures using 3-methoxy-19-norpregna-1,3,5(10),16-tetraen-20-one 5 produced corresponding 3,20-dihydroxy-16,17-19-norpregna-1,3,5(10)-triene 16 and 3,20-dihydroxy-19 norpregna-1,3,5(10),16-tetraene 17. All compounds were fully characterized by 1D and 2D NMR, HRMS, and X-ray diffraction. The molecular docking showed that the target compounds can bind to ER, their binding mode being similar to that of natural estradiol. 16alpha,17alpha-Methylene- or unsubstituted compounds exhibit the highest cytotoxicity against MCF-7 cells, being simultaneously relatively weak ERalpha inhibitors. 3,20-Dihydroxy steroids containing the six-membered ring D' proved to be the most effective ERalpha inhibitors. These compounds displayed moderate cytotoxicity comparable of that of tamoxifen and showed no toxic effect on MCF-10A normal, nontumorigenic epithelial cells. The new ER antagonists were found to be good candidates for further testing as agents for the treatment and prevention of ERalpha-positive breast cancers. PMID- 29220794 TI - O2-(2,4-dinitrophenyl)diazeniumdiolates derivatives: Design, synthesis, cytotoxic evaluation and reversing MDR in MCF-7/ADR cells. AB - A series of O2-(2,4-dinitrophenyl)diazeniumdiolates derivatives were designed, synthesized and antiproliferative activities evaluated as novel nitric oxide (NO) releasing prodrugs that could be activated by glutathione S-transferases pi (GSTpi). Most of these derivatives exhibited significant antiproliferative activities compared to the reported NO-donor prodrug JS-K, among which compounds 27 and 36 had superior potency with IC50 below 1 MUM. NO released amounts detection of all derivatives indicated that the antiproliferative activities were positively correlated with the levels of intracellular NO release in HCT116 cells. The most potent compound 36 exhibited improved uncatalyzed stability of GSTpi. Additionally, 36 showed remarkably multidrug resistance reversal activity which reversed multidrug resistance of adriamycin (ADR) in MCF-7/ADR cells with IC50 from 84.94 MUM to 1.13 MUM. PMID- 29220792 TI - 4-Quinolone derivatives and their activities against Gram positive pathogens. AB - Gram-positive bacteria are responsible for a broad range of infectious diseases, and the emergency and wide spread of drug-resistant Gram-positive pathogens including MRSA and MRSE has caused great concern throughout the world. 4 Quinolones which are exemplified by fluoroquinolones are mainstays of chemotherapy against various bacterial infections including Gram-positive pathogen infections, and their value and role in the treatment of bacterial infections continues to expand. However, the resistance of Gram-positive organisms to 4-quinolones develops rapidly and spreads widely, making them more and more ineffective. To overcome the resistance and reduce the toxicity, numerous of 4-quinolone derivatives were synthesized and screened for their in vitro and in vivo activities against Gram-positive pathogens, and some of them exhibited excellent potency. This review aims to outlines the recent advances made towards the discovery of 4-quinolone-based derivatives as anti-Gram-positive pathogens agents and the critical aspects of design as well as the structure activity relationship of these derivatives. The enriched SAR paves the way to the further rational development of 4-quinolones with a unique mechanism of action different from that of the currently used drugs to overcome the resistance, well tolerated and low toxic profiles. PMID- 29220784 TI - Physiological effects caused by microcystin-producing and non-microcystin producing Microcystis aeruginosa on medaka fish: A proteomic and metabolomic study on liver. AB - Cyanobacterial blooms have become a common phenomenon in eutrophic freshwater ecosystems worldwide. Microcystis is an important bloom-forming and toxin producing genus in continental aquatic ecosystems, which poses a potential risk to Human populations as well as on aquatic organisms. Microcystis is known to produce along with various bioactive peptides, the microcystins (MCs) that have attracted more attention notably due to their high hepatotoxicity. To better understand the effects of cyanobacterial blooms on fish, medaka fish (Oryzias latipes) were sub-chronically exposed to either non-MC-producing or MC-producing living strains and, for this latter, to its subsequent MC-extract of Microcystis aeruginosa. Toxicological effects on liver have been evaluated through the combined approach of histopathology and 'omics' (i.e. proteomics and metabolomics). All treatments induce sex-dependent effects at both cellular and molecular levels. Moreover, the modalities of exposure appear to induce differential responses as the direct exposure to the cyanobacterial strains induce more acute effects than the MC-extract treatment. Our histopathological observations indicate that both non-MC-producing and MC-producing strains induce cellular impairments. Both proteomic and metabolomic analyses exhibit various biological disruptions in the liver of females and males exposed to strain and extract treatments. These results support the hypothesis that M. aeruginosa is able to produce bioactive peptides, other than MCs, which can induce toxicological effects in fish liver. Moreover, they highlight the importance of considering cyanobacterial cells as a whole to assess the realistic environmental risk of cyanobacteria on fish. PMID- 29220796 TI - Purine analogs targeting the guanine riboswitch as potential antibiotics against Clostridioides difficile. AB - Riboswitches recently emerged as possible targets for the development of alternative antimicrobial approaches. Guanine-sensing riboswitches in the bacterial pathogen Clostridioides difficile (formerly known as Clostridium difficile) constitute potential targets based on their involvement in the regulation of basal metabolic control of purine compounds. In this study, we deciphered the structure-activity relationship of several guanine derivatives on the guanine riboswitch and determined their antimicrobial activity. We describe the synthesis of purine analogs modified in ring B as well as positions 2 and 6. Their biological activity was determined by measuring their affinity for the C. difficile guanine riboswitch and their inhibitory effect on bacterial growth, including a counter-screen to discriminate against riboswitch-independent antibacterial effects. Altogether, our results suggest that improvements in riboswitch binding affinity in vitro do not necessarily translate into improved antibacterial activity in bacteria, despite the fact that some structure-activity relationship was observed at least with respect to binding affinity. PMID- 29220799 TI - Accounting for adaptation and intensity in projecting heat wave-related mortality. AB - BACKGROUND: How adaptation and intensity of heat waves affect heat wave-related mortality is unclear, making health projections difficult. METHODS: We estimated the effect of heat waves, the effect of the intensity of heat waves, and adaptation on mortality in 209 U.S. cities with 168 million people during 1962 2006. We improved the standard time-series models by incorporating the intensity of heat waves using excess heat factor (EHF) and estimating adaptation empirically using interactions with yearly mean summer temperature (MST). We combined the epidemiological estimates for heat wave, intensity, and adaptation with the Coupled Model Intercomparison Project Phase 5 (CMIP5) multi-model dataset to project heat wave-related mortality by 2050. RESULTS: The effect of heat waves increased with its intensity. Adaptation to heat waves occurred, which was shown by the decreasing effect of heat waves with MST. However, adaptation was lessened as MST increased. Ignoring adaptation in projections would result in a substantial overestimate of the projected heat wave-related mortality (by 277 747% in 2050). Incorporating the empirically estimated adaptation into projections would result in little change in the projected heat wave-related mortality between 2006 and 2050. This differs regionally, however, with increasing mortality over time for cities in the southern and western U.S. but decreasing mortality over time for the north. CONCLUSIONS: Accounting for adaptation is important to reduce bias in the projections of heat wave-related mortality. The finding that the southern and western U.S. are the areas that face increasing heat-related deaths is novel, and indicates that more regional adaptation strategies are needed. PMID- 29220798 TI - Aegeline inspired synthesis of novel amino alcohol and thiazolidinedione hybrids with antiadipogenic activity in 3T3-L1 cells. AB - Excess adiposity is a hallmark of obesity, which is caused due to an imbalance between energy intake and energy consumed. Obesity is often associated with several metabolic disorders like dyslipidemia, cardiovascular diseases and type 2 diabetes. Earlier, our group had reported natural product Aegeline (amino alcohol) isolated from the plant Aegle marmelos as an anti-diabetic and anti dyslipidemic compound. With this background, we synthesized a series of novel amino alcohol and thiazolidinedione hybrid molecules and studied their antiadipogenic activity. As a result, we have identified a potent hybrid compound 12c as an inhibitor of adipocyte differentiation. The compound 12c inhibits lipid accumulation and adipogenesis in 3T3-L1 preadipocyte cell line. Exposure of compound 12c blocks mitotic clonal expansion and arrests cells in S-phase of cell cycle. Detailed analysis showed that compound 12c decreases expression of two major transcription factors that are involved in adipocyte differentiation, PPARgamma, C/EBPalpha, and other adipogenesis associated genes like aP2 and FAS. Thus, we concluded that compound 12c shows potential ability to inhibit adipocyte differentiation which can be used therapeutically for the treatment of obesity and its associated metabolic disorders. PMID- 29220797 TI - Primaquine hybrids as promising antimycobacterial and antimalarial agents. AB - Four series of primaquine (PQ) derivatives were screened for antitubercular and antiplasmodial activity: amides 1a-k, ureas 2a-s, semicarbazides 3a-c and bis ureas 4a-u. Antimycobacterial activity of PQ derivatives against Mycobacterium tuberculosis (MTB), M. avium complex (MAC) and M. avium subsp. paratuberculosis (MAP) were evaluated in vitro and compared with PQ and the standard antitubercular drugs. In general, the PQ derivatives showed higher potency than the parent compound. Most of the compounds of series 1 and 2 showed high activity against MAP, comparable or even higher than the relevant drug ciprofloxacin, and weak or no activity against MTB and MAC. bis-Trifluoromethylated cinnamamide 1k showed low cytotoxicity and high activity against all three Mycobacterium species and their activities were comparable or slightly higher than those of the reference drugs. PQ urea derivatives with hydroxyl, halogen and trifluoromethyl substituents on benzene ring 2f-p exerted very strong antimycobacterial activity towards all tested mycobacteria, stronger than PQ and the relevant standard drug(s). Unfortunately, these compounds had relatively high cytotoxicity, except bromo 2l and trifluoromethyl 2m, 2n derivatives. In general, meta-substituted derivatives were more active than analogues para-derivatives. Phenyl ureas were also more active than cycloalkyl or hydroxyalkyl ureas. Semicarbazide 3a showed similar activity as PQ, while the other two semicarbazides were inactive. Bis urea derivatives 4 were generally less active than the urea derivatives sharing the same scaffold, differing only in the spacer type. Out of 21 evaluated bis urea derivatives, only p-Cl/m-CF3 phenyl derivative 4p, benzhydryl derivatives 4t and 4u and bis-PQ derivative 4s showed high activity, higher than all three reference drugs. After comparison of activity and cytotoxicity, urea 2m and bis urea 4u could be considered as the most promising agents. Antimalarial potential of PQ derivatives in vitro against the liver stage of P. berghei was evaluated as well. 3-(4-Chlorophenyl)-1-[({4-[(6-methoxyquinolin-8 yl)amino]pentyl}carbamoyl)amino]urea (4l) was the most active compound (IC50 = 42 nM; cytotoxicity/activity ratio >2000). Our results bring new insights into development of novel anti-TB and antimalarial compounds. PMID- 29220790 TI - 2-Alkoxycarbonyl-3-arylamino-5-substituted thiophenes as a novel class of antimicrotubule agents: Design, synthesis, cell growth and tubulin polymerization inhibition. AB - Microtubules are recognized as crucial components of the mitotic spindle during cell division, and, for this reason, the microtubule system is an attractive target for the development of anticancer agents. Continuing our search strategy for novel tubulin targeting-compounds, a new series of 2-alkoxycarbonyl-3 (3',4',5'-trimethoxyanilino)-5-aryl/heteroarylthiophene derivatives was designed, synthesized and demonstrated to act as tubulin polymerization inhibitors at the colchicine site. A structure-activity relationship study on the phenyl at the 5 position of the thiophene ring was performed by introducing a variety of substituents containing electron-releasing and electron-withdrawing groups, with the 2-alkoxycarbonyl-3-(3',4',5'-trimethoxyanilino)thiophene scaffold being the minimum structural requirement for activity. Of the tested compounds, derivatives 4a, 4c, 4i and 4k possessed the highest overall potency and displayed high antiproliferative activities at submicromolar concentrations, with IC50 values ranging from 0.13 to 0.84 MUM against four different cancer cell lines. Three agents (4a, 4c and 4i) in the present series had similar effects, and these were comparable to those of the reference compound combretastatin A-4 (CA-4) as inhibitors of tubulin assembly. The antitubulin effects correlated with the cytostatic activities and indicate that these compounds inhibit cell growth through inhibition of tubulin polymerization by binding at the colchicine site. Compound 4c, containing the 2'-thienyl ring at the 5-position of the 2 methoxycarbonyl-3-(3',4',5'-trimethoxyanilino)thiophene scaffold, exhibited substantial antiproliferative activity with a mean IC50 value of 140 nM, inhibited tubulin polymerization with an IC50 value of 1.2 MUM, similar to that of CA-4 (IC50: 1.1 MUM), and induced apoptosis in HeLa cells. PMID- 29220801 TI - Assessment of temperature and ultraviolet radiation effects on sunburn incidence at an inland U.S. Beach: A cohort study. AB - BACKGROUND: Increases in outdoor temperature may lead to increases in sunburn, outdoor exposure, and skin cancer in human populations. OBJECTIVE: This study aimed to quantify sunburn incidence and risk for Ohio beachgoers exposed to varying outdoor conditions. METHODS: Sunburn incidence data were obtained through a prospective cohort study at East Fork Lake (Cincinnati, Ohio, USA). Recruitment occurred over 26 weekend days. Beach interviews and follow-up telephone interviews obtained exposure and health information. New sunburns were self reported 8-9 days post-enrollment. Survey data were paired with ultraviolet radiation (UVR) index and temperature data for statistical analysis. RESULTS: Among 947 beachgoers, new sunburns were reported in 18% of swimmers. Sunburn incidence was associated with temperature (odds ratio = 1.2; 95% CI: 1.1 - 1.4) and UVR index (odds ratio = 1.6; 95% CI: 1.0 - 2.5) in models adjusted for water exposure, arrival time, and beach visit frequency. Some evidence of a temperature+UVR interaction was observed. LIMITATIONS: Exposure and sunburn data were self-reported without clinical diagnosis and date of onset. The follow-up period enabled sunburns to be reported from a variety of days rather than only the beach visit day thereby limiting interpretation. Sun protection behaviors were not evaluated. CONCLUSIONS: Temperature and UVR influence sunburn frequency. Temperature, however was more strongly associated with sunburn in beachgoers than the nearest measured UVR index, suggesting future investigations are needed to better understand how temperature effects sunburn development. Interventions for decreasing sunburn are needed. PMID- 29220800 TI - Exposure to traffic-related air pollution and the composition of the gut microbiota in overweight and obese adolescents. AB - BACKGROUND: Traffic-related air pollution (TRAP) exposure has been linked to type 2 diabetes and metabolic dysfunction in humans. Animal studies suggest that air pollutants may alter the composition of the gut microbiota, which may negatively impact metabolic health through changes in the composition and/or function of the gut microbiome. OBJECTIVES: The primary aim of this study was to determine whether elevated TRAP exposure was correlated with gut bacterial taxa in overweight and obese adolescents from the Meta-AIR (Metabolic and Asthma Incidence Research) study. The secondary aim was to examine whether gut microbial taxa correlated with TRAP were also correlated with risk factors for type 2 diabetes (e.g., fasting glucose levels). We additionally explored whether correlations between TRAP and these metabolic risk factors could be explained by the relative abundance of these taxa. METHODS: Participants (17-19 years; n=43) were enrolled between 2014 and 2016 from Southern California. The CALINE4 line dispersion model was used to model prior year residential concentrations of nitrogen oxides (NOx) as a marker of traffic emissions. The relative abundance of fecal microbiota was characterized by 16S rRNA sequencing and spearman partial correlations were examined after adjusting for body fat percent. RESULTS: Freeway TRAP was correlated with decreased Bacteroidaceae (r=-0.48; p=0.001) and increased Coriobacteriaceae (r=0.48; p<0.001). These same taxa were correlated with fasting glucose levels, including Bacteroidaceae (r=-0.34; p=0.04) and Coriobacteriaceae (r=0.41; p<0.01). Further, freeway TRAP was positively correlated fasting glucose (r=0.45; p=0.004) and Bacteroidaceae and Coriobacteriaceae explained 24% and 29% of the correlation between TRAP and fasting glucose levels. CONCLUSIONS: Increased TRAP exposure was correlated with gut microbial taxa and fasting glucose levels. Gut microbial taxa that were correlated with TRAP partially explained the correlation between TRAP and fasting glucose levels. These results suggest that exposure to air pollutants may negatively impact metabolic health via alterations in the gut microbiota. PMID- 29220802 TI - Conducting polymer-based electrochemical biosensors for neurotransmitters: A review. AB - Neurotransmitters are important biochemical molecules that control behavioral and physiological functions in central and peripheral nervous system. Therefore, the analysis of neurotransmitters in biological samples has a great clinical and pharmaceutical importance. To date, various methods have been developed for their assay. Of the various methods, the electrochemical sensors demonstrated the potential of being robust, selective, sensitive, and real time measurements. Recently, conducting polymers (CPs) and their composites have been widely employed in the fabrication of various electrochemical sensors for the determination of neurotransmitters. Hence, this review presents a brief introduction to the electrochemical biosensors, with the detailed discussion on recent trends in the development and applications of electrochemical neurotransmitter sensors based on CPs and their composites. The review covers the sensing principle of prime neurotransmitters, including glutamate, aspartate, tyrosine, epinephrine, norepinephrine, dopamine, serotonin, histamine, choline, acetylcholine, nitrogen monoxide, and hydrogen sulfide. In addition, the combination with other analytical techniques was also highlighted. Detection challenges and future prospective of the neurotransmitter sensors were discussed for the development of biomedical and healthcare applications. PMID- 29220803 TI - A single-cell analysis platform for electrochemiluminescent detection of platelets adhesion to endothelial cells based on Au@DL-ZnCQDs nanoprobes. AB - A novel single-cell analysis platform (SCA) was developed for the investigation of platelets adhesion to single human umbilical vein endothelial cell (HUVEC) via using the adhesion molecule (E-selectin) on the damaged HUVEC as the marker site, and integrating electrochemiluminescence (ECL) with the ultrasensitive Au@DL ZnCQDs nanoprobes. The Au@DL-ZnCQDs nanocomposite, a kind of double layer zinc coadsorbed carbon quantum dot (ZnCQDs) core-shell nanoprobe, was firstly constructed by using gold nanoparticles (AuNPs) as the core to load with ZnCQDs and then the citrate-modified silver nanoparticles (AgNPs) as the bridge to link AuNPs-ZnCQDs with ZnCQDs to form the core-shell with double layer ZnCQDs (DL ZnCQDs) nanoprobe, revealed a 10-fold signal amplification. The H2O2-induced oxidative damage HUVECs were utilized as the cellular model on which anti-E selectin functionalized nanoprobes specially recognized E-selectin, the SCA showed that the ECL signals decreased with platelets adhesion to single HUVEC. The proposed SCA could effectively and dynamically monitor the adhesion between single HUVEC and platelets in the absence and presence of collagen activation, moreover, be able to quantitatively detect the number of platelets adhesion to single HUVEC, and show a good analytical performance with linear range from 1 to 15 platelets. In contrast, the HUVEC was down-regulated the expression of adhesion molecules by treating with quercetin inhibitor, and the SCA also exhibited the feasibility for analysis of platelets adhesion to single HUVEC. Therefore, the single-cell analysis platform provided a novel and promising protocol for analysis of the single intercellular adhesion, and it will be beneficial to elucidate the pathogenesis of cardiovascular diseases. PMID- 29220805 TI - Processing of wet Kinnow mandarin (Citrus reticulata) fruit waste into novel Bronsted acidic ionic liquids and their application in hydrolysis of sucrose. AB - In citrus processing industries, where up to 60% of the whole fruit is discarded, generates citrus waste (peel, seeds, membrane, and pulp) on a massive scale. The waste does not currently have high-value applications, instead the majority is disposed of or pelletized for animal feed. Therefore, a concise and efficacious protocol for processing of Kinnow mandarin (Citrus reticulata) fruit waste to numerous novel Bronsted acidic ionic liquids (3a-k) have been developed. BAILs were characterized using spectroscopic techniques (FT-IR and NMR). Water immiscibility of ILs 3a, 3g and 3h, a property never observed with sulfonic acid ILs, allowed the catalytic application of BAIL 3a in hydrolysis of sucrose/table sugar, giving a mixture of d-glucose and d-fructose in excellent yields. The ionic liquid could be recycled for >3 times without significant loss of activity. PMID- 29220804 TI - Graphene and Au NPs co-mediated enzymatic silver deposition for the ultrasensitive electrochemical detection of cholesterol. AB - Cholesterol is an essential ingredient in mammals, and serum cholesterol is a major component of atherosclerotic plaques. The level of cholesterol in human serum has become an important index for clinical diagnosis and prevention of cardiovascular disease. In this paper, a simple and ultrasensitive cholesterol biosensor based on graphene oxide (GO) and gold nanoparticles (Au NPs) co mediated enzymatic silver deposition was designed by immobilizing cholesterol oxidase (CHOD), cholesterol esterase (CHER) and GO onto the surface of Au NPs modified screen-printed carbon electrode (SPE). Under the synergistic effect of CHER, CHOD and GO, the cholesterol was hydrolyzed to generate hydrogen peroxide, which can reduce the silver (Ag) ions in the solution to metallic Ag which deposited on the surface of Au NPs modified SPE. The ultrasensitive detection of cholesterol was achieved by anodic stripping voltammetry measurement of the enzymatically deposited Ag. Under optimal conditions, the anodic stripping peak current of Ag increased with the increasing cholesterol concentration in the range from 0.01MUg/mL to 5000MUg/mL with a limit of detection of 0.001MUg/mL (S/N = 3). In addition, the ultrasensitive cholesterol biosensor exhibited higher specificity, acceptable reproducibility and excellent recoveries for cholesterol detection. PMID- 29220807 TI - Characterization of leaf waste based biochar for cost effective hydrogen sulphide removal from biogas. AB - Installation of decentralized units for biogas production along with indigenous upgradation systems can be an effective approach to meet growing energy demands of the rural population. Therefore, readily available leaf waste was used to prepare biochar at different temperatures and employed for H2S removal from biogas produced via anaerobic digestion plant. It is found that biochar prepared via carbonization of leaf waste at 400 degrees C effectively removes 84.2% H2S (from 1254 ppm to 201 ppm) from raw biogas for 25 min in a continuous adsorption tower. Subsequently, leaf waste biochar compositional, textural and morphological properties before and after H2S adsorption have been analyzed using proximate analysis, CHNS, BET surface area, FTIR, XRD, and SEM-EDX. It is found that BET surface area, pore size, and textural properties of leaf waste biochar plays a crucial role in H2S removal from the biogas. PMID- 29220806 TI - Enhanced bioremediation of 4-nonylphenol and cadmium co-contaminated sediment by composting with Phanerochaete chrysosporium inocula. AB - Composting is identified as an effective approach for solid waste disposal. The bioremediation of 4-nonylphenol (4NP) and cadmium (Cd) co-contaminated sediment was investigated by composting with Phanerochaete chrysosporium (P. chrysosporium) inocula. P. chrysosporium inocula and proper C/N ratios (25.51) accelerated the composting process accompanied with faster total organic carbon loss, 4NP degradation and Cd passivation. Microbiological analysis demonstrated that elevated activities of lignocellulolytic enzymes and sediment enzymes was conducive to organic chemical transformation. Bacterial community diversity results illustrated that Firmicutes and Proteobacteria were predominant species during the whole composting process. Aerobic cellulolytic bacteria and organic degrading species played significant roles. Toxicity characteristic leaching procedure (TCLP) extraction and germination indices results indicated the efficient detoxification of 4NP and Cd co-contaminated sediment after 120 days of composting. Overall, results demonstrated that P. chrysosporium enhanced composting was available for the bioremediation of 4NP and Cd co-contaminated sediment. PMID- 29220808 TI - Metabolic engineering of carbon overflow metabolism of Bacillus subtilis for improved N-acetyl-glucosamine production. AB - Bacillus subtilis is widely used as cell factories for the production of important industrial biochemicals. Although many studies have demonstrated the effects of organic acidic byproducts, such as acetate, on microbial fermentation, little is known about the effects of blocking the neutral byproduct overflow, such as acetoin, on bioproduction. In this study, we focused on the influences of modulating overflow metabolism on the production of N-acetyl-d-glucosamine (GlcNAc) in engineered B. subtilis. We found that acetoin overflow competes with GlcNAc production, and blocking acetoin overflow increased GlcNAc titer and yield by 1.38- and 1.39-fold, reaching 48.9 g/L and 0.32 g GlcNAc/g glucose, respectively. Further blocking acetate overflow inhibited cell growth and GlcNAc production may be induced by inhibiting glucose uptake. Taken together, our results show that blocking acetoin overflow is a promising strategy for enhancing GlcNAc production. The strategies developed in this work may be useful for engineering strains of B. subtilis for producing other important biochemicals. PMID- 29220809 TI - Biodegradation and detoxification of Direct Black G textile dye by a newly isolated thermophilic microflora. AB - The biodegradation and detoxification of azo dye - Direct Black G (DBG) with a newly isolated thermophilic microflora was investigated in the present study. It was found this microflora can decolorize DBG at a wide range of pH from 5 to 10, and grow well under high concentration of dye (600 mg.L-1) and salinity (50 g.L 1). Its decolorization ratio could reach 97% with 8 h of incubation at optimal conditions. The induction of laccase, manganese peroxidase, lignin peroxidase and azoreductase suggests their synergetic involvements in the degradation process of DBG. In addition, the phytotoxicity analysis indicated the thermophilic microflora converted toxic dye DBG into low toxicity metabolites. PCR-DGGE analysis revealed that there are nine different bacteria presented in this microflora. Furthermore, a new degradation pathway of DBG degradation by this microflora was proposed based on the intermediates identified by LC-ESI-MS/MS. PMID- 29220810 TI - Simultaneous efficient removal of oxyfluorfen with electricity generation in a microbial fuel cell and its microbial community analysis. AB - The performance of a microbial fuel cell (MFC) to degrade oxyfluorfen was investigated. Approximately 77% of 50 mg/L oxyfluorfen was degraded within 24 h by anodic biofilm. The temperature, pH, and initial oxyfluorfen concentration had a significant effect on oxyfluorfen degrading, and a maximum degradation rate of 94.95% could theoretically be achieved at 31.96 degrees C, a pH of 7.65, and an initial oxyfluorfen concentration of 120.05 mg/L. Oxyfluorfen was further catabolized through various microbial metabolism pathways. Moreover, the anodic biofilm exhibited multiple catabolic capacities to 4-nitrophenol, chloramphenicol, pyraclostrobin, and sulfamethoxazole. Microbial community analysis indicated that functional bacteria Arcobacter, Acinetobacter, Azospirillum, Azonexus, and Comamonas were the predominant genera in the anodic biofilm. In terms of the efficient removal of various organic compounds and energy recovery, the MFC seemed to be a promising approach for the treatment of environmental contaminants. PMID- 29220811 TI - Synergistic effect of the enzyme complexes comprising agarase, carrageenase and neoagarobiose hydrolase on degradation of the red algae. AB - In the practice of converting red algae biomass into biofuel or valuable biomaterials, the critical step is the decomposition process of the agarose to give fermentable monomeric sugars. In this study, we selected three enzymes such as agarase, carrageenase and neoagarobiose hydrolase to inducible the simultaneous hydrolysis of the major substrates such as agar and carrageenan constituting the pretreated red algae, and expressed the chimeric enzymes and formed a complexes through optimization of addition ratio. As a result, hydrolysis by enzyme complexes showed a maximum sugar release of 679 mg L-1 with 67.9% saccharification yield from G. verrucosa natural substrate. The difference in the reducing sugar by the enzyme complexes was 3.6-fold higher than that of the monomer enzyme (cAgaB yield 188.6 mg L-1). The synergistic effect of producing sugars from red algae biomass through these enzyme complexes can be a very important biological tools aimed at bioenergy production. PMID- 29220812 TI - Bioethanol potential of Eucalyptus obliqua sawdust using gamma-valerolactone fractionation. AB - Optimisation of conditions for gamma-valerolactone (GVL) pretreatment of Australian eucalyptus sawdust for high cellulose biomass and bioethanol production was demonstrated. Pretreatment parameters investigated included GVL concentrations of 35-50% w/w, temperatures of 120-180 degrees C and reaction durations of 0.5-2.0 h. Optimum conditions were determined using the response surface method (RSM) and central composite face-centred design. Cellulose content increased from 39.9% to a maximum of 89.3% w/w using treatments with 50% GVL at 156 degrees C for 0.5 h. Temperature had the most significant effect (RSM p < .05) on cellulose content of residual biomass and reducing operational duration of < 0.5 h may be viable according to RSM. PSSF fermentations of optimised pretreated eucalyptus sawdust produced up to 94% theoretical ethanol yield, which corresponded to approximately 181 kg of ethanol per dry ton of eucalyptus sawdust. The compositions of both the residual biomass and pretreatment liquors show that GVL pretreatment is a promising solvent for lignocellulosic biorefining. PMID- 29220813 TI - Biotransformation and inhibition effects of hexachlorocyclohexanes during biogas production from contaminated biomass characterized by isotope fractionation concepts. AB - Hexachlorocyclohexane (HCH) production for pesticides was banned by Stockholm Convention (2009) due to its harmful and adverse effects on the environment. Despite this measure, many areas contaminated with former HCH production-waste products still require management. As a potential solution contributing to clean up of these sites, anaerobic digestion (AD) of pesticide-contaminated biomass to produce biogas is a promising strategy. High pesticide concentrations, however, may inhibit biogas production. Therefore, laboratory-scale batch reactors were set up to investigate biogas reactor performance in presence of HCH. Inhibitory effects on biogas yield was observed with concentrations of HCH >= 150 mg/L. Carbon isotope composition of methane (delta13CCH4) showed significant fluctuation after an inhibition phase, indicating that HCH toxicity can affect the activity of acetoclastic methanogens. Furthermore, combined results of metabolites and carbon isotope fractionation factors (epsilonc) demonstrated that alpha- and gamma-HCH can be degraded to chlorobenzene and benzene via anaerobic reductive dechlorination. PMID- 29220814 TI - Butyric acid production from lignocellulosic biomass hydrolysates by engineered Clostridium tyrobutyricum overexpressing Class I heat shock protein GroESL. AB - Lignocellulosic biomass is the most abundant and renewable substrate for biological fermentation, but the inhibitors present in the lignocellulosic hydrolysates could severely inhibit the cell growth and productivity of industrial strains. This study confirmed that overexpressing of native groESL in Clostridium tyrobutyricum could significantly improve its tolerance to lignocellulosic hydrolysate-derived inhibitors, especially for phenolic compounds. Consequently, ATCC 25755/groESL showed a better performance in butyric acid fermentation with hydrolysates of corn cob, corn straw, rice straw, wheat straw, soybean hull and soybean straw, respectively. When corn straw and rice straw hydrolysates, which showed strong toxicity to C. tyrobutyricum, were used as the substrates, 29.6 g/L and 30.1 g/L butyric acid were obtained in batch fermentation, increased by 26.5% and 19.4% as compared with the wild-type strain, respectively. And more importantly, the butyric acid productivity reached 0.31 g/L.h (vs. 0.20-0.21 g/L.h for the wild-type strain) due to the shortened lag phase. PMID- 29220815 TI - Influence of fermentation liquid from waste activated sludge on anoxic/oxic- membrane bioreactor performance: Nitrogen removal, membrane fouling and microbial community. AB - In order to investigate effects of waste activated sludge (WAS) fermentation liquid on anoxic/oxic- membrane bioreactor (A/O-MBR), two A/O-MBRs with and without WAS fermentation liquid addition were operated in parallel. Results show that addition of WAS fermentation liquid clearly improved denitrification efficiency without deterioration of nitrification, while severe membrane fouling occurred. WAS fermentation liquid resulted in an elevated production of proteins and humic acids in bound extracellular polymeric substance (EPS) and release of organic matter with high MW fractions in soluble microbial product (SMP) and loosely bound EPS (LB-EPS). Measurement of deposition rate and fluid structure confirmed increased fouling potential of SMP and LB-EPS. gamma-Proteobacteria and Ferruginibacter, which can secrete and export EPS, were also found to be abundant in the MBR with WAS fermentation liquid. It is implied that when WAS fermentation liquid was applied, some operational steps to control membrane fouling should be employed. PMID- 29220816 TI - FTIR and Raman spectroscopic studies of selenium nanoparticles synthesised by the bacterium Azospirillum thiophilum. AB - Vibrational (Fourier transform infrared (FTIR) and Raman) spectroscopic techniques can provide unique molecular-level information on the structural and compositional characteristics of complicated biological objects. Thus, their applications in microbiology and related fields are steadily increasing. In this communication, biogenic selenium nanoparticles (Se NPs) were obtained via selenite (SeO32-) reduction by the bacterium Azospirillum thiophilum (strain VKM B-2513) for the first time, using an original methodology for obtaining extracellular NPs. Dynamic light scattering (DLS) and transmission electron microscopy (TEM) showed the Se NPs to have average diameters within 160-250nm; their zeta potential was measured to be minus 18.5mV. Transmission FTIR spectra of the Se NPs separated from bacterial cells showed typical proteinacious, polysaccharide and lipid-related bands, in line with TEM data showing a thin layer covering the Se NPs surface. Raman spectra of dried Se NPs layer in the low frequency region (under 500cm-1 down to 150cm-1) showed a single very strong band with a maximum at 250cm-1 which, in line with its increased width (ca. 30cm-1 at half intensity), can be attributed to amorphous elementary Se. Thus, a combination of FTIR and Raman spectroscopic approaches is highly informative in non-destructive analysis of structural and compositional properties of biogenic Se NPs. PMID- 29220817 TI - Infrared spectroscopy of flavones and flavonols. Reexamination of the hydroxyl and carbonyl vibrations in relation to the interactions of flavonoids with membrane lipids. AB - Detailed vibrational assignments for twelve flavonoids (seven flavones (flavone, 3- and 5-hydroxyflavone, chrysin, apigenin, fisetin and luteolin) and five flavonols (galangin, kaempferol, quercetin, morin and myricetin)) have been made based on own and reported experimental data and calculations at the B3LYP/6 31+G(d,p) level of theory. All the molecules are treated in a uniform way by using the same set of redundancy-free set of internal coordinates. A generalized harmonic mode mixing is used to corroborate the vibrational characteristics of this important class of molecules. Each flavonoid molecule can be treated from the vibrational point of view as made of relatively weakly coupled chromone and phenyl part. It has been shown that the strongest band around 1600cm-1 need not be attributable to the CO stretching. The way the vibrations of any of the hydroxyl groups are mixed with ring vibrations and vibrations of other neighboring hydroxyl groups is rather involved. This imposes severe limitations on any attempt to describe normal modes of a flavonol in terms of hydroxyl or carbonyl group vibrations. The role of water molecules in the appearance of flavonoid IR spectra is emphasized. Knowing for the great affinity of phosphate groups in lipids towards water, the immediate consequence is a reasonable assumption that flavonoid lipid interactions is mediated by water. PMID- 29220818 TI - Reuse of sustainable materials for xylenol orange dye and copper (II) ion ammoniacal removal. AB - Water pollution caused by heavy metals and organic compounds is an environmental problem with negative impact, making the restoration of water quality a priority. In this paper, the adsorption of xylenol orange dye (XO) on vitreous tuff mineral (VT) was studied. It was established that the adsorption capacity of VT was 45.17 mg/g. The removal was carried out by interactions between active sites on the surface of the material and the functional groups of the dye. The solid waste obtained from this process (VTXO) was reused as adsorbent material for Cu removal in the form of the complex Cu-NH3 because this process was done in an ammoniacal medium. It was found that the adsorption capacity of this new material was 33.09 mg/g. In a previous research, VT mineral was used to remove crystal violet (CV) instead of XO. The solid waste of this last process (VTCV) was also applied for Cu-NH3 removal, in order to compare the adsorption capacity of VT after the adsorption of two different kinds of dyes. The adsorption capacity of VTXO was lower than that of VTCV (71.23 mg/g). In both processes, adsorption kinetic was well described by a chemical adsorption onto a heterogeneous surface. The equilibrium time for XO removal was 50 min and 80 min for Cu-NH3. The experimental design stated that the maximum adsorption capacity was reached when the initial concentration was 6400 mg/L and the solid-liquid ratio was 10 g/L. The system that requires the least amount of adsorbent was the counter flow batch. Finally, it was possible to estimate the behavior of the system on a higher scale. This research provides an efficient and economical alternative to treat water contaminated with dyes and cooper in an ammoniacal medium using the same material in both processes, one after the other. PMID- 29220819 TI - Fluoride removal from water using a magnesia-pullulan composite in a continuous fixed-bed column. AB - A magnesia-pullulan composite (MgOP) was previously shown to effectively remove fluoride from water. In the present study, a continuous fixed-bed column was used to examine the application of the composite at an industrial scale. The influencing parameters included bed mass (4.0, 6.0 and 8.0 g), influent flow rate (8, 16 and 32 mL/min), inlet fluoride concentration (5, 10 and 20 mg/L), reaction temperature (20, 30 and 40 degrees C), influent pH (4, 7 and 10) and other existing anions (HCO3-, SO42-, Cl- and NO3-), through which the breakthrough curves could be depicted for the experimental data analysis. The results indicated that MgOP is promising for fluoride removal with a defluoridation capacity of 16.6 mg/g at the bed mass of 6.0 g, influent flow rate of 16 mL/min and inlet fluoride concentration of 10 mg/L. The dynamics of the fluoride adsorption process were modeled using the Thomas and Yan models, in which the Yan model presented better predictions for the breakthrough curves than the Thomas model. Moreover, the concentration of magnesium in the effluent was monitored to determine Mg stability in the MgOP composite. Results indicated the effluent concentration of Mg2+ ions could be kept at a safe level. Calcination of fluoride loaded MgOP effectively regenerated the material. PMID- 29220820 TI - Application of an in-situ soil sampler for assessing subsurface biogeochemical dynamics in a diesel-contaminated coastal site during soil flushing operations. AB - Subsurface biogeochemistry and contaminant dynamics during the remediation of diesel-contamination by in-situ soil flushing were investigated at a site located in a coastal region. An in-situ sampler containing diesel-contaminated soils separated into two size fractions (<0.063- and <2-mm) was utilized in two monitoring wells: DH1 (located close to the injection and extraction wells for in situ soil flushing) and DH2 (located beyond sheet piles placed to block the transport of leaked diesel). Total petroleum hydrocarbon (TPH) concentrations and biogeochemical properties were monitored both in soil and groundwater for six months. A shift occurred in the groundwater type from Ca-HCO3 to Na-Cl due to seawater intrusion during intense pumping, while the concentrations of Ni, Cu, Co, V, Cr, and Se increased substantially following surfactant (TWEEN 80) injection. The in-situ sampler with fine particles was more sensitive to variations in conditions during the remedial soil flushing process. In both wells, soil TPH concentrations in the <0.063-mm fraction were much higher than those in the <2-mm fraction. Increases in soil TPH in DH1 were consistent with the expected outcomes following well pumping and surfactant injection used to enhance TPH extraction. However, the number of diesel-degrading microorganisms decreased after surfactant injection. 16S-rRNA gene-based analysis also showed that the community composition and diversity depended on both particle size and diesel contamination. The multidisciplinary approach to the contaminated site assessments showed that soil flushing with surfactant enhanced diesel extraction, but negatively impacted in-situ diesel biodegradation as well as groundwater quality. The results also suggest that the in-situ sampler can be an effective monitoring tool for subsurface biogeochemistry as well as contaminant dynamics. PMID- 29220821 TI - Predictive capabilities of various constitutive models for arterial tissue. AB - INTRODUCTION: Aim of this study is to validate some constitutive models by assessing their capabilities in describing and predicting uniaxial and biaxial behavior of porcine aortic tissue. METHODS: 14 samples from porcine aortas were used to perform 2 uniaxial and 5 biaxial tensile tests. Transversal strains were furthermore stored for uniaxial data. The experimental data were fitted by four constitutive models: Holzapfel-Gasser-Ogden model (HGO), model based on generalized structure tensor (GST), Four-Fiber-Family model (FFF) and Microfiber model. Fitting was performed to uniaxial and biaxial data sets separately and descriptive capabilities of the models were compared. Their predictive capabilities were assessed in two ways. Firstly each model was fitted to biaxial data and its accuracy (in term of R2 and NRMSE) in prediction of both uniaxial responses was evaluated. Then this procedure was performed conversely: each model was fitted to both uniaxial tests and its accuracy in prediction of 5 biaxial responses was observed. RESULTS: Descriptive capabilities of all models were excellent. In predicting uniaxial response from biaxial data, microfiber model was the most accurate while the other models showed also reasonable accuracy. Microfiber and FFF models were capable to reasonably predict biaxial responses from uniaxial data while HGO and GST models failed completely in this task. CONCLUSIONS: HGO and GST models are not capable to predict biaxial arterial wall behavior while FFF model is the most robust of the investigated constitutive models. Knowledge of transversal strains in uniaxial tests improves robustness of constitutive models. PMID- 29220822 TI - Fatigue and biological properties of Ti-6Al-4V ELI cellular structures with variously arranged cubic cells made by selective laser melting. AB - Traditional implants made of bulk titanium are much stiffer than human bone and this mismatch can induce stress shielding. Although more complex to produce and with less predictable properties compared to bulk implants, implants with a highly porous structure can be produced to match the bone stiffness and at the same time favor bone ingrowth and regeneration. This paper presents the results of the mechanical and dimensional characterization of different regular cubic open-cell cellular structures produced by Selective Laser Melting (SLM) of Ti6Al4V alloy, all with the same nominal elastic modulus of 3GPa that matches that of human trabecular bone. The main objective of this research was to determine which structure has the best fatigue resistance through fully reversed fatigue tests on cellular specimens. The quality of the manufacturing process and the discrepancy between the actual measured cell parameters and the nominal CAD values were assessed through an extensive metrological analysis. The results of the metrological assessment allowed us to discuss the effect of manufacturing defects (porosity, surface roughness and geometrical inaccuracies) on the mechanical properties. Half of the specimens was subjected to a stress relief thermal treatment while the other half to Hot Isostatic Pressing (HIP), and we compared the effect of the treatments on porosity and on the mechanical properties. Fatigue strength seems to be highly dependent on the surface irregularities and notches introduced during the manufacturing process. In fully reversed fatigue tests, the high performances of stretching dominated structures compared to bending dominated structures are not found. In fact, with thicker struts, such structures proved to be more resistant, even if bending actions were present. PMID- 29220824 TI - Extensive geographical and social structure in the paternal lineages of Saudi Arabia revealed by analysis of 27 Y-STRs. AB - Saudi Arabia's indigenous population is organized into patrilineal descent groups, but to date, little has been done to characterize its population structure, in particular with respect to the male-specific region of the Y chromosome. We have used the 27-STR Yfiler(r) Plus kit to generate haplotypes in 597 unrelated Saudi males, classified into five geographical regions (North, South, Central, East and West). Overall, Yfiler(r) Plus provides a good discrimination capacity of 95.3%, but this is greatly reduced (74.7%) when considering the reduced Yfiler(r) set of 17 Y-STRs, justifying the use of the expanded set of markers in this population. Comparison of the five geographical divisions reveals striking differences, with low diversity and similar haplotype spectra in the Central and Northern regions, and high diversity and similar haplotype spectra in the East and West. These patterns likely reflect the geographical isolation of the desert heartland of the peninsula, and the proximity to the sea of the Eastern and Western areas, and consequent historical immigration. We predicted haplogroups from Y-STR haplotypes, testing the performance of prediction by using a large independent set of Saudi Arabian Y-STR + Y-SNP data. Prediction indicated predominance (71%) of haplogroup J1, which was significantly more common in Central, Northern and Southern groups than in East and West, and formed a star-like expansion cluster in a median-joining network with an estimated age of ~2800 years. Most of our 597 participants were sampled within Saudi Arabia itself, but ~16% were sampled in the UK. Despite matching these two groups by home sub-region, we observed significant differences in haplotype and predicted haplogroup constitutions overall, and for most sub regions individually. This suggests social structure influencing the probability of leaving Saudi Arabia, correlated with different Y-chromosome compositions. The UK-recruited sample is an inappropriate proxy for Saudi Arabia generally, and caution is needed when considering expatriate groups as representative of country of origin. Our study shows the importance of geographical and social structuring that may affect the utility of forensic databases and the interpretation of Y-STR profiles. PMID- 29220825 TI - Effects of nutritional education on weight change and metabolic abnormalities among patients with schizophrenia in Japan: A randomized controlled trial. AB - OBJECTIVE: Patients with schizophrenia have a higher prevalence of metabolic syndrome (MetS) than the general population. Minimizing weight gain and metabolic abnormalities in a population with an already high prevalence of obesity is of clinical and social importance. This randomized controlled trial investigated the effect of monthly nutritional education on weight change and metabolic abnormalities among patients with schizophrenia in Japan. METHODS: From July 2014 to December 2014, we recruited 265 obese patients who had a DSM-IV diagnosis of schizophrenia or schizoaffective disorder. Participants were randomly assigned to a standard care (A), doctor's weight loss advice (B), or an individual nutritional education group (C) for 12 months. The prevalence of MetS and body weight were measured at baseline and 12 months. RESULTS: After the 12-month treatment, 189 patients were evaluated, and the prevalence of MetS based on the ATP III-A definition in groups A, B, and C was 68.9%, 67.2%, and 47.5%, respectively. Group C showed increased weight loss (3.2 +/- 4.5 kg) over the 12 month study period, and the change in weight differed significantly from that of group A; additionally, 26.2% of the participants in group C lost 7% or more of their initial weight, compared with 8.2% of those in group A. CONCLUSION: Individual nutrition education provided by a dietitian was highly successful in reducing obesity in patients with schizophrenia and could be the first choice to address both weight gain and metabolic abnormalities induced by antipsychotic medications. PMID- 29220823 TI - Patterns of progressive atrophy vary with age in Alzheimer's disease patients. AB - Age is not only the greatest risk factor for Alzheimer's disease (AD) but also a key modifier of disease presentation and progression. Here, we investigate how longitudinal atrophy patterns vary with age in mild cognitive impairment (MCI) and AD. Data comprised serial longitudinal 1.5-T magnetic resonance imaging scans from 153 AD, 339 MCI, and 191 control subjects. Voxel-wise maps of longitudinal volume change were obtained and aligned across subjects. Local volume change was then modeled in terms of diagnostic group and an interaction between group and age, adjusted for total intracranial volume, white-matter hyperintensity volume, and apolipoprotein E genotype. Results were significant at p < 0.05 with family wise error correction for multiple comparisons. An age-by-group interaction revealed that younger AD patients had significantly faster atrophy rates in the bilateral precuneus, parietal, and superior temporal lobes. These results suggest younger AD patients have predominantly posterior progressive atrophy, unexplained by white-matter hyperintensity, apolipoprotein E, or total intracranial volume. Clinical trials may benefit from adapting outcome measures for patient groups with lower average ages, to capture progressive atrophy in posterior cortices. PMID- 29220826 TI - Time distortion when users at-risk for social media addiction engage in non social media tasks. AB - BACKGROUND: There is a growing concern over the addictiveness of Social Media use. Additional representative indicators of impaired control are needed in order to distinguish presumed social media addiction from normal use. AIMS: (1) To examine the existence of time distortion during non-social media use tasks that involve social media cues among those who may be considered at-risk for social media addiction. (2) To examine the usefulness of this distortion for at-risk vs. low/no-risk classification. METHOD: We used a task that prevented Facebook use and invoked Facebook reflections (survey on self-control strategies) and subsequently measured estimated vs. actual task completion time. We captured the level of addiction using the Bergen Facebook Addiction Scale in the survey, and we used a common cutoff criterion to classify people as at-risk vs. low/no-risk of Facebook addiction. RESULTS: The at-risk group presented significant upward time estimate bias and the low/no-risk group presented significant downward time estimate bias. The bias was positively correlated with Facebook addiction scores. It was efficacious, especially when combined with self-reported estimates of extent of Facebook use, in classifying people to the two categories. CONCLUSIONS: Our study points to a novel, easy to obtain, and useful marker of at-risk for social media addiction, which may be considered for inclusion in diagnosis tools and procedures. PMID- 29220827 TI - Exploring Drivers of Forest Degradation and Fragmentation in Sudan: The Case of Erawashda Forest and its Surrounding Community. AB - Sudan is a hot spot for forest degradation. Efforts to maintain what remains of its forests should be of the highest priority. However, precise information on its forests' current state is very limited. Therefore, in order to effectively intervene in support of existing resources, it is important to have a better understanding of processes taking place in the country and impacting those resources. The objectives of this study are to quantify the consequences of land use and land cover (LULC) changes on forest degradation and fragmentation and to analyze the anthropogenic factors causing it, taking Erawashda Forest, eastern Sudan, as an example. The study utilized a series of Landsat imageries, field surveys and interviews with informants to analyze the decrease in forest cover. The years between 1973 and 2015 saw a 16.9% and 5.4% increase in bare land and large-scale mechanized agriculture respectively. During the same period there was a 37% decrease in dense forest cover and a 20% increase in light forest cover. The trajectory analysis showed that all LULC categories are subjected to very rapid changes from one class to another throughout the period of the study and the most dynamic class is light forest cover. Computed fragmentation indices showed that large core is the dominant category. Key informants identified the main factors of degradation and fragmentation as the expansion of mechanized rain fed agriculture, felling of trees and wood cutting, bad grazing activities, and construction of infrastructure. Information garnered from this study can provide a good basis for forest rehabilitation programs and can also be used for developing proper management plans that take into account the needs of the communities utilizing the forest. PMID- 29220828 TI - Prediction of Radiation Esophagitis in Non-Small Cell Lung Cancer Using Clinical Factors, Dosimetric Parameters, and Pretreatment Cytokine Levels. AB - Radiation esophagitis (RE) is a common adverse event associated with radiotherapy for non-small cell lung cancer (NSCLC). While plasma cytokine levels have been correlated with other forms of radiation-induced toxicity, their association with RE has been less well studied. We analyzed data from 126 patients treated on 4 prospective clinical trials. Logistic regression models based on combinations of dosimetric factors [maximum dose to 2 cubic cm (D2cc) and generalized equivalent uniform dose (gEUD)], clinical variables, and pretreatment plasma levels of 30 cytokines were developed. Cross-validated estimates of area under the receiver operating characteristic curve (AUC) and log likelihood were used to assess prediction accuracy. Dose-only models predicted grade 3 RE with AUC values of 0.750 (D2cc) and 0.727 (gEUD). Combining clinical factors with D2cc increased the AUC to 0.779. Incorporating pretreatment cytokine measurements, modeled as direct associations with RE and as potential interactions with the dose-esophagitis association, produced AUC values of 0.758 and 0.773, respectively. D2cc and gEUD correlated with grade 3 RE with odds ratios (ORs) of 1.094/Gy and 1.096/Gy, respectively. Female gender was associated with a higher risk of RE, with ORs of 1.09 and 1.112 in the D2cc and gEUD models, respectively. Older age was associated with decreased risk of RE, with ORs of 0.992/year and 0.991/year in the D2cc and gEUD models, respectively. Combining clinical with dosimetric factors but not pretreatment cytokine levels yielded improved prediction of grade 3 RE compared to prediction by dose alone. Such multifactorial modeling may prove useful in directing radiation treatment planning. PMID- 29220829 TI - Decreased Expression of the Polarity Regulatory PAR Complex Predicts Poor Prognosis of the Patients with Colorectal Adenocarcinoma. AB - Partitioning defective (Par) proteins regulate cell polarity and differentiation. Par3, Par6beta, and protein kinase Czeta (PKCzeta), which are PAR complex members, have been shown to be associated with oncogenesis and progression. Herein, we report the expression pattern and clinical relevance of Par3, Par6beta, and PKCzeta in colorectal adenocarcinoma (CRAC). A total of 393 primary CRACs, 41 primary-metastatic CRAC pairs, 41 adenomas with low-grade dysplasia, and 41 nontumor colorectal tissue samples were examined by immunohistochemistry and Western blot assays for Par3, Par6beta, and PKCzeta protein expressions. The association Par3, Par6beta, and PKCzeta expressions and clinicopathologic factors, including patient survival, was evaluated. Primary CRACs and adenomas demonstrated higher levels of Par3, Par6beta, and PKCzeta than in nontumor colorectal epithelia. The expressions of Par3, Par6beta, and PKCzeta were higher in primary CRACs as compared to adenomas or in metastatic CRACs. Among primary CRACs, decreased Par3 expression was found to correlate with a high proliferation rate and poor histologic differentiation, decreased PKCzeta expression was correlated with pathologic TNM stage (I-II vs III-IV) and lymph node metastasis, and decreased Par6beta and PKCzeta expressions were correlated with shortened overall survivals. In metastatic CRACs, decreased PKCzeta expression was correlated with a shortened metastasis-free survival. While increased Par3, Par6beta, and PKCzeta expressions were implicated in tumorigenesis, decreased expressions of Par3, Par6beta, and PKCzeta were found to be associated with worse clinicopathologic factors in CRAC. In particular, the results of our study suggest that PKCzeta down-expression is an independent poor prognostic and metastatic factor for CRAC. PMID- 29220831 TI - Correction: Priming with Recombinant Auxotrophic BCG Expressing HIV-1 Gag, RT and Gp120 and Boosting with Recombinant MVA Induces a Robust T Cell Response in Mice. AB - [This corrects the article DOI: 10.1371/journal.pone.0071601.]. PMID- 29220830 TI - Specific capture, recovery and culture of cancer cells using oriented antibody modified polystyrene chips coated with agarose film. AB - Agarose gel can be used for three dimensional (3D) cell culture because it prevents cell attachment. The dried agarose film coated on a culture plate also protected cell attachment and allowed 3D growth of cancer cells. We developed an efficient method for agarose film coating on an oxygen-plasma treated micropost polystyrene chip prepared by an injection molding process. The agarose film was modified to maleimide or Ni-NTA groups for covalent or cleavable attachment of photoactivatable Fc-specific antibody binding proteins (PFcBPs) via their N terminal cysteine residues or 6xHis tag, respectively. The antibodies photocrosslinked onto the PFcBP-modified chips specifically captured the target cells without nonspecific binding, and the captured cells grew 3D modes on the chips. The captured cells on the cleavable antibody-modified chips were easily recovered by treatment of commercial trypsin-EDTA solution. Under fluidic conditions using an antibody-modified micropost chip, the cells were mainly captured on the micropost walls of the chip rather than on the bottom of it. The presented method will also be applicable for immobilization of oriented antibodies on various microfluidic chips with different structures. PMID- 29220832 TI - Correction: Diagnostic Potential of the NMDA Receptor Peptide Assay for Acute Ischemic Stroke. AB - [This corrects the article DOI: 10.1371/journal.pone.0042362.]. PMID- 29220833 TI - Correction: Recombinant Yellow Fever Viruses Elicit CD8+ T Cell Responses and Protective Immunity against Trypanosoma cruzi. AB - [This corrects the article DOI: 10.1371/journal.pone.0059347.]. PMID- 29220834 TI - Correction: Expired CO2 Levels Indicate Degree of Lung Aeration at Birth. AB - [This corrects the article DOI: 10.1371/journal.pone.0070895.]. PMID- 29220835 TI - Correction: Phrasal Paraphrase Based Question Reformulation for Archived Question Retrieval. AB - [This corrects the article DOI: 10.1371/journal.pone.0064601.]. PMID- 29220836 TI - Correction: Lycopene Inhibits NF-kB-Mediated IL-8 Expression and Changes Redox and PPARgamma Signalling in Cigarette Smoke-Stimulated Macrophages. AB - [This corrects the article DOI: 10.1371/journal.pone.0019652.]. PMID- 29220837 TI - Correction: Iron Supplementation Decreases Severity of Allergic Inflammation in Murine Lung. AB - [This corrects the article DOI: 10.1371/journal.pone.0045667.]. PMID- 29220838 TI - Correction: A Developmental Stage-Specific Switch from DAZL to BOLL Occurs during Fetal Oogenesis in Humans, but Not Mice. AB - [This corrects the article DOI: 10.1371/journal.pone.0073996.]. PMID- 29220839 TI - Correction: Coadministration of Lopinavir/Ritonavir and Rifampicin in HIV and Tuberculosis Co-Infected Adults in South Africa. AB - [This corrects the article DOI: 10.1371/journal.pone.0044793.]. PMID- 29220840 TI - Correction: Methylation State of the EDA Gene Promoter in Chinese X-Linked Hypohidrotic Ectodermal Dysplasia Carriers. AB - [This corrects the article DOI: 10.1371/journal.pone.0062203.]. PMID- 29220841 TI - Correction: Bcl-w Enhances Mesenchymal Changes and Invasiveness of Glioblastoma Cells by Inducing Nuclear Accumulation of beta-Catenin. AB - [This corrects the article DOI: 10.1371/journal.pone.0068030.]. PMID- 29220842 TI - Correction: Cryopreservation Causes Genetic and Epigenetic Changes in Zebrafish Genital Ridges. AB - [This corrects the article DOI: 10.1371/journal.pone.0067614.]. PMID- 29220843 TI - Correction: Efficient Sensing of Infected Cells in Absence of Virus Particles by Plasmacytoid Dendritic Cells Is Blocked by the Viral Ribonuclease Erns. AB - [This corrects the article DOI: 10.1371/journal.ppat.1003412.]. PMID- 29220844 TI - Correction: Glycolipid Transfer Protein Expression Is Affected by Glycosphingolipid Synthesis. AB - [This corrects the article DOI: 10.1371/journal.pone.0070283.]. PMID- 29220845 TI - Correction: Deep Vascular Imaging in Wounds by Two-Photon Fluorescence Microscopy. AB - [This corrects the article DOI: 10.1371/journal.pone.0067559.]. PMID- 29220846 TI - Correction: Multiple Analyses of G-Protein Coupled Receptor (GPCR) Expression in the Development of Gefitinib-Resistance in Transforming Non-Small-Cell Lung Cancer. AB - [This corrects the article DOI: 10.1371/journal.pone.0044368.]. PMID- 29220847 TI - Correction: I Should but I Won't: Why Young Children Endorse Norms of Fair Sharing but Do Not Follow Them. AB - [This corrects the article DOI: 10.1371/journal.pone.0059510.]. PMID- 29220848 TI - Correction: Pre-Treatment with Amifostine Protects against Cyclophosphamide Induced Disruption of Taste in Mice. AB - [This corrects the article DOI: 10.1371/journal.pone.0061607.]. PMID- 29220849 TI - Correction: A-Methylacyl-CoA Racemase (AMACR) and Prostate-Cancer Risk: A Meta Analysis of 4,385 Participants. AB - [This corrects the article DOI: 10.1371/journal.pone.0074386.]. PMID- 29220851 TI - Puestow Procedure for the Management of Pediatric Chronic Pancreatitis. PMID- 29220852 TI - Commentary: Controversies in Thrombosis and Hemostasis Part 1-Hematidrosis: "Blood, Sweat and Fears" or A "Pigment of Fertile Imaginations?" PMID- 29220853 TI - Hematidrosis: A Fascinating Phenomenon-Case Study and Overview of the Literature. PMID- 29220854 TI - Inhibitors in Hemophilia A: A Pharmacoeconomic Perspective. AB - A discussion of the main pharmacoeconomic issues related to inhibitors in hemophilia A cannot be separated from an analysis of the most relevant clinical questions. In the field of inhibitors, the clinical evidence includes several controversial topics, such as high-titer versus low-titer inhibitors, the influence of factor VIII products on inhibitor risk, effectiveness of different immune tolerance induction (ITI) treatments, the role of bypassing agents, and development of new non-factor-VIII compounds. In terms of pharmacoeconomic data, numerous cost estimates have been reported in these fields, but this information is strongly influenced by the wide between-country differences in unit costs. Quite reliable data are, however, available regarding expenditure for replacement therapy in patients without inhibitors, increased lifetime costs caused by high titer inhibitors, and cost of pharmacological interventions aimed at eradicating inhibitors. As regards the cost-effectiveness ratio, the data on ITI are not conclusive; nonetheless, irrespective of the specific treatments employed for inducing tolerance, their costs seem to be offset by the subsequent savings in the cost per patient. Other issues, such as the cost of low-titer inhibitors in patients with hemophilia A and effectiveness of pharmacological interventions aimed at eradicating low-titer inhibitors are not supported by sound data and will require further research. Finally, although the efficacy and safety profiles of novel treatments (e.g., emicizumab, Roche) warrant long-term clinical studies, the economic advantages of these new compounds might be very substantial both in patients with inhibitors and in those at risk of developing inhibitors. PMID- 29220856 TI - Prevalence and Characteristics of Intracranial Hemorrhages in Neonates with Hypoxic Ischemic Encephalopathy. AB - INTRODUCTION: The risk factors of intracranial hemorrhages (ICH) in the context of neonatal hypoxic ischemic encephalopathy (HIE) and related interventions are unclear. OBJECTIVE: This article examines the prevalence and risk factors associated with ICH in neonates with HIE. STUDY DESIGN: This is a retrospective cohort study of neonates with HIE in Southern Alberta. ICH (subdural [SDH], subarachnoid [SAH], intraventricular [IVH], intraparenchymal [IPH]) were diagnosed by magnetic resonance imaging (MRI). Perinatal and neonatal characteristics were examined. Relation of hemorrhages with hypoxic changes on MRI and HIE stages were assessed. RESULTS: Number of HIE patients, n = 157; brain MRI was done in 138 infants; median gestation, 40 weeks; and cooled = 103 (66%). Prevalence of SDH, IPH, IVH, and SAH were 47, 22, 11, and 10 (34.1%, 15.9%, 7.8%, 7.2%), respectively. There was no significant increase in hemorrhage with mode of delivery, seizures, hypo/hypercarbia, severe thrombocytopenia, or deranged coagulation. All hemorrhages increased with higher HIE stage, regardless of the HIE severity in MRI. Adjusting for HIE staging, cooling, and gestation, IPH was observed more in infants who received inotropes (odds ratio [OR], 3.32; 95% confidence interval [CI], 1.20, 9.20). CONCLUSION: SDH followed by IPH were the most common ICH. Thrombocytopenia and deranged coagulation did not increase risk of hemorrhages in HIE. Our study was not powered to determine the impact of inotrope use on the risk of IPH. PMID- 29220855 TI - Use of Non-Vitamin K Antagonist Oral Anticoagulants in Atrial Fibrillation Patients with Malignancy: Clinical Practice Experience in a Single Institution and Literature Review. AB - This observational study aimed to investigate the efficacy and safety of non vitamin K antagonist oral anticoagulants (NOACs) in atrial fibrillation (AF) patients with malignancy. A total of 76 patients (mean age: 73.2 +/- 8.9; 28 females) with AF and malignancy treated with NOAC were included in the analysis. The mean CHA2DS2-VASc and HAS-BLED scores were 3.2 +/- 1.2 and 2.2 +/- 0.9, respectively. The study population was taking dabigatran 150 mg (25%) twice daily (BID), apixaban 5 mg BID (25%), dabigatran 110 mg BID (24%), rivaroxaban 20 mg (18%) once a day (OD), rivaroxaban 15 mg OD (5%), or apixaban 2.5 mg OD (3%). NOAC therapy began, on average, 248 +/- 238 days before malignancy diagnosis for an average duration of 1,000 +/- 289 days. Stroke, transient ischemic attack, major and minor bleeding events, other adverse effects, and major cardiovascular complications during the follow-up period were collected. In our study population, no patients experienced thromboembolic events during therapy with any NOAC. We recorded a low global incidence of major bleeding (3.9%) with a mean annual incidence of 1.4%. No hemorrhagic stroke or subarachnoid hemorrhage was observed. Only nine patients (11.8%) experienced minor bleeding. According to our data, anticoagulation therapy with NOACs seems to be an effective and safe treatment strategy for nonvalvular AF patients with malignancy. PMID- 29220857 TI - Surfactant Administration through Laryngeal Mask Airway: A Randomized Controlled Study in Rabbits. AB - BACKGROUND: Minimally invasive techniques for surfactant administration for infants with respiratory distress syndrome (RDS) of moderate severity have been proposed. The laryngeal mask airway (LMA) helps in securing the airway without the need of laryngoscopy, but still requires the use of positive pressure ventilation (PPV) to flush surfactant into the lungs. OBJECTIVE: This article compares the effectiveness of two techniques for LMA surfactant administration, instillation into the LMA lumen followed by PPV versus direct laryngeal instillation through a preinserted feeding tube inside the LMA during spontaneous respirations. STUDY DESIGN: This is a randomized controlled trial (RCT) of 18 rabbits with acquired respiratory distress after lung lavage. After surfactant was given, the rabbits remained on continuous positive airway pressure (CPAP). Gas exchange parameters were assessed at baseline and at 30 minutes and lung parenchyma pathology features were analyzed. RESULTS: Time required for surfactant administration, oxygenation improvement, and histopathologic findings did not differ between groups. The new technique decreased the need of PPV (p < 0.05). CONCLUSION: In this animal model, surfactant administration through a preinserted feeding tube within the LMA lumen is safe and effective while providing the benefits of a minimally invasive approach. This technique reduces the need of PPV and may prevent its potential risks. PMID- 29220858 TI - Long-term successful closure of a percutaneous intragastric trocar tract with crossing full-thickness sutures in a porcine model. AB - BACKGROUND AND STUDY AIMS: A novel intragastric trocar placed using a percutaneous endoscopic gastrostomy technique enables the use of laparoscopic tools and procedures, including tissue stapling, cutting, suturing, and retraction. The aim of this porcine study was to determine long-term success of crossing full-thickness sutures in closure of the tract upon trocar withdrawal. METHODS: 10 trocars were placed in 5 animals. Each animal underwent a standardized tissue resection using a 5-mm stapler under gastroscopic guidance, and two full-thickness, absorbable, crossing sutures were used to close the trocar tracts. The animals were monitored for 35 days and then euthanized for necropsy. RESULTS: All five animals survived without sign of infection or distress. Nine of the 10 trocar sites healed completely without any adverse findings. A single site developed a gastrocutaneous fistula. On necropsy, there was no evidence of intra-abdominal infection or abscess. CONCLUSIONS: Full thickness crossing sutures appeared to be effective in long-term closure of an intragastric trocar tract. Given the ease of placement and success of this simple closure method, this device may prove clinically useful to the endoscopist performing complex procedures in the endoscopy suite. PMID- 29220859 TI - Single- and double-tunnel endoscopic submucosal tunnel dissection for large superficial esophageal squamous cell neoplasms. AB - BACKGROUND AND STUDY AIM: Single-tunnel endoscopic submucosal tunnel dissection (ESTD) has shown promising preliminary efficacy for large superficial esophageal squamous cell neoplasms (SESCNs). This study reports the outcomes of both single- and double-tunnel ESTD for large SESCNs, and compares the efficiency of the two techniques for treating circumferential SESCNs. PATIENTS AND METHODS: 46 patients with large SESCNs underwent ESTD at a single hospital between October 2011 and March 2016. Relevant clinical data were retrospectively collected and analyzed. RESULTS: For all patients, the en bloc and R0 resection rates were 95.7 % and 82.6 %, respectively. Perforation and cardiac mucosal laceration were detected in 2.2 % (1/46) and 6.5 % (3/46) of the procedures, respectively. Postoperative stenosis occurred in 12 patients (26.1 %). Of the 18 patients with circumferential lesions, those who received a double-tunnel ESTD procedure (n = 6) underwent dissection faster than those who had a single-tunnel ESTD procedure (n = 12) (0.32 vs. 0.12 cm2/min; P = 0.02). CONCLUSION: ESTD was effective for large SESCNs. The double-tunnel ESTD appeared to decrease operative time compared with single-tunnel ESTD for circumferential lesions. PMID- 29220860 TI - Patients' willingness to defer resection of diminutive polyps: results of a multicenter survey. AB - BACKGROUND AND STUDY AIMS : Current colonoscopy practice requires removal of diminutive polyps. This is associated with costs, but the benefits to colorectal cancer (CRC) prevention remain unclear. The study aim was to understand patients' willingness to defer resection of diminutive polyps and to examine the factors that influence patients' decisions. PATIENTS AND METHODS : Adults presenting for a colonoscopy were surveyed at three hospitals in the USA and Canada. Survey domains included: patient characteristics, risk perception, knowledge about CRC risk, willingness to defer polyp resection, and associated concerns. The primary endpoint was the proportion of patients who would be willing to participate in a clinical trial that deferred resection of diminutive polyps. Secondary endpoints included factors associated with willingness to defer diminutive polyp resection. RESULTS : 557 eligible individuals completed the survey (mean age 63; 61 % men), with 50 % of respondents being willing to participate in a randomized trial in which resection of diminutive polyps would be deferred until the next surveillance colonoscopy (95 % confidence interval [CI] 46 % - 55 %). Outside of a clinical trial, 57 % of participants would be agreeable to deferring resection of diminutive polyps (95 %CI 51 % - 63 %). Willingness to defer diminutive polyp resection was associated with higher education (P = 0.001), greater knowledge about cancer risk (P = 0.002), and a lower perception of cancer risk (all P < 0.001). Age, sex, income, a history of polyps, and a first-degree family member with CRC were not associated with willingness to defer diminutive polyp resection. CONCLUSIONS : More than half of individuals undergoing a routine colonoscopy would be agreeable to deferring resection of diminutive polyps and participating in a trial to evaluate this approach. PMID- 29220861 TI - Do We Need Plant Food Supplements? A Critical Examination of Quality, Safety, Efficacy, and Necessity for a New Regulatory Framework. AB - Given the expanding market of plant food supplements (PFSs) not undergoing any pre-marketing authorization, the overall quality, safety and efficacy of PFSs were subjected to a critical examination. Although many high-quality PFSs exist on the legal market, quality concerns are in general justified. Besides economic adulteration, active ingredients dramatically differing from label claims and among products were reported in several studies. In addition, PFSs sold via the Internet may be intentionally adulterated with undeclared prescription drugs. Compared to PFSs with only one single herb, PFSs containing herbal mixtures were more involved in moderate and severe clinical courses. Although prohibited by regulation, misleading labels on PFSs are common. Above all, only vague evidence for the efficacy of PFSs exists. Notwithstanding the unproven efficacy and insufficient safety assessment, PFSs represent a relevant source for consumers to get access to herbal preparations in the United States and meanwhile also in Europe, as launching of licensed/registered European herbal medicinal products (HMPs) has steadily decreased. However, being non-vitamin, non-mineral products, PFSs are neither food nor drugs. In terms of protecting public health and providing the consumer with high-quality, effective, and safe PFSs, possibilities are shown how to deal with the many challenges of PFSs. Last but not least, suggestions are made for assigning PFSs a separate regulatory category being less regulated compared to HMPs but more strictly regulated compared to food laws including implementation of good manufacturing practices and a scientific pre marketing review process by an expert commission. PMID- 29220862 TI - A descriptive analysis of sleep and wakefulness states during maternal behaviors in postpartum rats. AB - Mother rats spend most of their time nursing their litter during the early stages of the postpartum period, only occasionally leaving the nest. The suckling stimulus from the pups elicits the adoption of nursing postures, during which milk ejection occurs, an event associated with the occurrence of non-REM (NREM) sleep in the rat. Despite this evidence, the characteristics of sleep during different nursing postures along the postpartum period remain unknown. The present study aims to describe the sleep pattern of mother rats while nursing, hovering over their pups and when being away from the pups. For this purpose, lactating females were implanted with electrodes for chronic polysomnographic recording. Simultaneous recordings of sleep-wakefulness cycle and maternal behaviors were performed in both the light and dark phases of the first and second postpartum weeks. Results indicate that while mothers were most of the time awake when hovering over pups and when staying away from pups, they mainly remained in NREM sleep when adopting low kyphosis posture, the most common nursing posture. The sleep-wake pattern during most maternal behaviors was quite stable between the light and dark phases of the first and second postpartum weeks. In addition, the sleep fragmentation was higher during the nursing bouts compared to that observed when mother rats slept without the pups, but sleep depth did not differ between these behaviors. Our results provide an original description of how mother rats synchronize their own sleep-wakefulness cycle with the maternal care of the pups during the postpartum period. PMID- 29220863 TI - A small dose of apomorphine counteracts the deleterious effects of middle cerebral artery occlusion in different models. AB - The present manuscript investigates in two animal species by using two different experimental models of middle cerebral artery occlusion (permanent and transient), the neuroprotective effects of the dopamine receptor agonist apomorphine. These effects were evaluated by measuring the infarct volume and by counting muscle strength at different time points following the ischemic insult. Apomorphine at the dose of 3 mg/Kg when adminsitered at two hours following the occlusion of the middle cerebral artery was able to reduce significantly the infarct volume in the cortex of mice and the ischemic volume of the basal ganglia perfused by the perforant branches of the middle cerebral artery in the rat. In this latter case the behavioral evaluation (i.e. muscle strength) was preserved most effectively in the contralateral side at 24 and 72 hours. The present findings contribute to foster the concept that DA agonists might be useful in the treatment of cerebral ischemia. At the same time the behavioral improvement induced by DA administration following basal ganglia ischemia may be interpreted as the effects of an authentic disease modifying effect rather than a simple symtomatic relief due to a potential loss of DA containing axons in the basal ganglia. These data add on previous evidence showing analogous effects induced by the DA precursor L-DOPA. Apart from providing an evidence of a neuroprotective effect induced by increased DA stimulation the present data call for further studies aimed at comparing the effects of apomorphine with other DA agonists. In fact the quinoline moiety of apomorphine was claimed to protect neurons from a variety of insults independently from a DA agonist activity. The induction of protein clearing pathways appears to be potentially relevant for these effects. PMID- 29220864 TI - The nature of catecholamine-containing neurons in the enteric nervous system in relationship with organogenesis, normal human anatomy and neurodegeneration. AB - The gastrointestinal tract is provided with extrinsic and intrinsic innervation. The extrinsic innervation includes the classic vagal parasympathetic and sympathetic components, with afferent sensitive and efferent secretomotor fibers. The intrinsic innervations is represented by the enteric nervous system (ENS), which is recognized as a complex neural network controlling a variety of cell populations, including smooth muscle cells, mucosal secretory cells, endocrine cells, microvasculature, immune and inflammatory cells. This is finalized to regulate gastrointestinal secretion, absorption and motility. In particular, this network is organized in several plexuses each one providing quite autonomous control of gastrointestinal functions (hence the definition of "second brain"). The similarity between ENS and CNS is further substantiated by the presence of local sensitive pseudo- unipolar ganglionic neurons with both peripheral and central branching which terminate in the enteric wall. A large variety of neurons and neurotransmitters takes part in the ENS. However, the nature of these neurons and their role in the regulation of gastrointestinal functions is debatable. In particular, the available literature reporting the specific nature of catecholamine- containing neurons provides conflicting evidence. This is critical both for understanding the specific role of each catecholamine in the gut and, mostly, to characterize specifically the enteric neuropathology occurring in a variety of diseases. An emphasis is posed on neurodegenerative disorders, such as Parkinson's disease, which is associated with the loss of catecholamine neurons. In this respect, the recognition of the nature of such neurons within the ENS would contribute to elucidate the pathological mechanisms which produce both CNS and ENS degeneration and to achieve more effective therapeutic approaches. Despite a great emphasis is posed on the role of noradrenaline to regulate enteric activities only a few reports are available on the anatomy and physiology of enteric dopamine neurons. Remarkably, this review limits the presence of enteric noradrenaline (and adrenaline) only within extrinsic sympathetic nerve terminals. This is based on careful morphological studies showing that the only catecholamine-containing neurons within ENS would be dopaminergic. This means that enteric pathology of catecholamine neurons should be conceived as axon pathology for noradrenaline neurons and whole cell pathology for dopamine neurons which would be the sole catecholamine cell within intrinsic circuitries affecting gut motility and secretions.The gastrointestinal tract is provided with extrinsic and intrinsic innervation. The extrinsic innervation includes the classic vagal parasympathetic and sympathetic components, with afferent sensitive and efferent secretomotor fibers. The intrinsic innervations is represented by the enteric nervous system (ENS), which is recognized as a complex neural network controlling a variety of cell populations, including smooth muscle cells, mucosal secretory cells, endocrine cells, microvasculature, immune and inflammatory cells. This is finalized to regulate gastrointestinal secretion, absorption and motility. In particular, this network is organized in several plexuses each one providing quite autonomous control of gastrointestinal functions (hence the definition of "second brain"). The similarity between ENS and CNS is further substantiated by the presence of local sensitive pseudounipolar ganglionic neurons with both peripheral and central branching which terminate in the enteric wall. A large variety of neurons and neurotransmitters takes part in the ENS. However, the nature of these neurons and their role in the regulation of gastrointestinal functions is debatable. In particular, the available literature reporting the specific nature of catecholamine-containing neurons provides conflicting evidence. This is critical both for understanding the specific role of each catecholamine in the gut and, mostly, to characterize specifically the enteric neuropathology occurring in a variety of diseases. An emphasis is posed on neurodegenerative disorders, such as including Parkinson's disease, which is associated with the loss of catecholamine neurons. In this respect, the recognition of the nature of such neurons within the ENS would contribute to elucidate the pathological mechanisms which produce both CNS and ENS degeneration and to achieve more effective therapeutic approaches. Despite a great emphasis is posed on the role of noradrenaline to regulate enteric activities only a few reports are available on the anatomy and physiology of enteric dopamine neurons. Remarkably, this review limits the presence of enteric noradrenaline (and adrenaline) only within extrinsic sympathetic nerve terminals. This is based on careful morphological studies showing that the only catecholamine-containing neurons within ENS would be dopaminergic. This means that enteric pathology of catecholamine neurons should be conceived as axon pathology for noradrenaline neurons and whole cell pathology for dopamine neurons which would be the sole catecholamine cell within intrinsic circuitries affecting gut motility and secretions. PMID- 29220865 TI - Silver nano particles ameliorate learning and spatial memory of male Wistar rats by prevention of amyloid fibril-induced neurotoxicity. AB - Alzheimer's disease (AD) is a chronic degenerative disease characterized by the presence of amyloid plaques and neurofibrillary tangles (NFTs), which results into memory and learning impairments. In the present study, we showed that the aggregates formed by a protein that has no link with Alzheimer's disease, namely the hen egg white lysozyme (HEWL), were cytotoxic and decreased spatial learning and memory in rats. The effect of Ag-nano particles (Ag-NPs) was investigated on disruption of amyloid aggregation and preservation of cognitive behavior of rats. Twenty-four male Wistar rats were divided into 4 groups including a control group, and injected with either scopolamine, lysozyme or aggregates pre-incubated with Ag-NPs. Rats' behavior was monitored using Morris water maze (MWM) twenty days after injections. HEWL aggregation in the presence and absence of the Ag-NPs was assayed by Thioflavin T binding, atomic force microscopy and cell-based cytotoxicity assay. Ag-NPs were capable to directly disrupt HEWL oligomerization and the resulting aggregates were non-toxic. We also showed that rats of the Ag NPs group found MWM test platform in less time and with less distance traveled, in comparison with lysozyme group. Ag-NPs also increased the percentage of time elapsed and the distance swum in the target quadrant in the rat model of AD, in probe test. These observations suggest that Ag-NPs improved spatial learning and memory by inhibiting amyloid fibril-induced neurotoxicity. Furthermore, we suggest using model proteins as a valid tool to investigate the pathogenesis of Alzheimer's disease. PMID- 29220866 TI - Neural correlates of fatigue in multiple sclerosis: a combined neurophysiological and neuroimaging approach (R1). AB - The present study is aimed at further exploring structural and functional correlates of fatigue in Relapsing- Remitting Multiple Sclerosis (RRMS) patients by using a combined approach by means of transcranial magnetic stimulation (TMS) and a Diffusion Tensor Imaging (DTI). The physiopathology of fatigue in MS is still poorly understood, although a variety of pathogenic mechanisms has been proposed. Our working hypothesis is that diffuse microstructural white matter damage may subtend the cortico-subcortical functional disconnection described in patients with MS and fatigue. We enrolled 30 RRMS patients (mean age 39+/-13; age range 24-63 years) with mild neurological impairment Expanded Disability Status Scale <3.5, divided into two groups on the basis of their fatigue severity scale (FSS) scoring (cutoff >= 4). All the patients underwent a neurological evaluation, a brain MRI acquisition (including DTI study) and a neurophysiological assessment by means of TMS in a pre-movement facilitation paradigm. Our data showed a significant mean diffusivity (MD) increase (p=0.036) in left thalamo-frontal reconstructions in the MS patients with fatigue compared to those classified as non-fatigued. Moreover, significant correlations were observed between FSS scale and MD as well as planar coefficient (CP) values extracted from frontal-thalamic connections bilaterally. Instead, the pre movement facilitation showed a significant difference between the groups with particular regard to the Reaction Time- MEP50ms amplitude (p=0.03). Our work confirms that fatigue is associated with a disruption of brain networks involved in motor preparation processes, depending on several frontal-thalamic pathways. Such findings can have an important role when dealing with fatigue management in MS patients and could be eventually used as prognostic marker of MS course. PMID- 29220867 TI - Sarcomeric TPM3alpha in developing chicken. AB - Cloning and sequencing of various tropomyosin isoforms expressed in chickens have been described since the early 1980s. However, to the best of our knowledge, this is the first report on the molecular characterization and the expression of the sarcomeric isoform of the TPM3 gene in cardiac and skeletal muscles from developing as well as adult chickens. Expression of TPM3alpha was performed by conventional RT-PCR as well as qRT-PCR using relative expression (by DeltaCT as well as DeltaDeltaCT methods) and by determining absolute copy number. The results employing all these methods show that the expression level of TPM3alpha is maximum in embryonic (10-day/15-day old) skeletal muscle and can barely be detected in both cardiac and skeletal muscles from the adult chicken. Our various RT-PCR analyses suggest that the expression of high molecular weight TPM3 isoforms are regulated at the transcription level from the proximal promoter at the 5'-end of the TPM3 gene. PMID- 29220869 TI - Non-obese fatty liver disease is associated with lacunar infarct. AB - BACKGROUND/AIMS: Lacunar infarct, a small subcortical ischaemic lesion, is a known risk factor for future cognitive impairment, dementia and stroke. We evaluated the relationship between fatty liver disease (FLD) and lacunar infarct in a healthy general population. METHODS: Subjects who underwent brain magnetic resonance imaging (MRI) and abdominal ultrasonography (US) during health check ups from 2007 to 2009 were included. FLD was diagnosed by US. Subjects with a history of cerebrovascular disease, radiological findings consistent with cerebrovascular stenosis or cerebral small vessel disease were excluded. RESULTS: Of the 1277 subjects, 54 (4.2%) exhibited lacunar infarct, and 514 (40.3%) had FLD. Subjects with lacunar infarct had a higher prevalence of FLD (59.3% vs 39.4%, P = .004). There was significant interaction between obesity (BMI < 25 kg/m2 vs >= 25 kg/m2 ) and FLD for lacunar infarct (P for interaction = .024). Subgroup analysis revealed that non-obese FLD was more common in the subjects with lacunar infarct than those without (51.7% vs 23.5%, P = .001). However, there was no significant difference in the obese FLD prevalence between these 2 groups. In multivariate models adjusted by age, sex, smoking, alcohol, hypertension and diabetes, FLD was significantly associated with lacunar infarct (odds ratio [OR] 1.97; 95% confidence interval [CI] 1.08-3.58; P = .027). Non obese FLD was associated with lacunar infarct (OR 3.58; 95% CI 1.63-7.89; P = .002); however, this association remained insignificant in obese FLD. Instead, ageing and hypertension were independent risk factors for lacunar infarct in the obese population. CONCLUSIONS: FLD is significantly associated with lacunar infarct, independent of traditional risk factors. This association was prominent in the non-obese population. PMID- 29220868 TI - Incidence and prevalence of hepatitis B in patients with diabetes mellitus in the UK: A population-based cohort study using the UK Clinical Practice Research Datalink. AB - We assessed the incidence and prevalence of hepatitis B (Hep B) in patients with or without diabetes mellitus (DM) using the UK Clinical Practice Research Datalink (CPRD). This was a retrospective, observational study of diabetic and nondiabetic cohorts aged 0-80 years using CPRD (NCT02324218). Incidence rates (IR) for each cohort were calculated. Crude and adjusted (Poisson regression) IR ratios (IRR) were estimated with 95% confidence intervals (CI) to compare the cohorts. Hep B prevalence stratified by age, and hospitalization related to Hep B was also calculated. Of 7 712 043 subjects identified, 4 839 770 were included (DM: 160 760; non-DM: 4 679 010). Mean ages were 54.4 and 32.0 years, and 57.20% and 50.14% were male in the diabetic and nondiabetic cohorts, respectively. Hep B was identified in 29 diabetic and 845 nondiabetic subjects; IR was 4.03 per 100 000 person-years and 2.88 per 100 000 person-years, respectively. The adjusted IRR was 1.00 (95% CI: 0.70-1.50) between diabetic and nondiabetic cohorts. Hep B prevalence was higher in the diabetic cohort (0.01%-0.26%) than in the nondiabetic cohort (0.00%-0.03%) across the different age groups. Hep B associated hospitalization IR was higher in the diabetic cohort (4.98-10.91) than the nondiabetic cohort (0.26-2.44). The Hep B IR, hospitalization and prevalence were higher in males in both cohorts. In conclusion, the risk of incident Hep B diagnosis in the diabetic cohort was not different from that in the nondiabetic cohort. However, prevalence of Hep B and Hep B-associated hospitalization rate was higher in the diabetic than in the nondiabetic cohort. PMID- 29220870 TI - Quantitative assessment of informative immunophenotypic markers increases the diagnostic value of immunophenotyping in mature CD5-positive B-cell neoplasms. AB - BACKGROUND: The data on the clinical utility of the quantitative assessment of immunophenotypes in distinguishing mature CD5-positive B-cell neoplasms is limited. The study aim was to assess the diagnostic value of the quantitative assessment of a panel of 18 markers and to identify the most informative ones. METHODS: The immunophenotype of the neoplastic population was determined in diagnostic specimens from 188 patients. BD FACSCanto II flow cytometer and FACSDiva software were used to analyze the positivity/negativity and mean fluorescence intensity (MFI) of the surface expression of 18 markers. Advanced data mining methods were used to define the key differential diagnostic features of CLL/SLL (chronic lymphocytic leukemia/small lymphocytic lymphoma), MCL (mantle cell lymphoma), and CD5+ MZL (marginal zone lymphoma). RESULTS: The most informative markers for the distinction of CLL/SLL, MCL, CD5+ MZL, including atypical cases, were the MFI values of CD79b, CD20, CD23, CD43, CD38, CD11c, FMC7, CD200, kappa light chain, and their combinations. CD23 and CD200 were the most discriminant between CLL/SLL and MCL and CD23 plus CD79b between CLL/SLL and CD5+ MZL. The quantitative analysis of the most informative markers failed to accurately distinguish MCL and CD5+ MZL. The study highlights the data mining methods for the analysis and selection of the most informative immunophenotypic markers and for the design of a predictive model (diagnostic classifier), minimizing the subjectivity of expert-based assessment. CONCLUSIONS: Our data confirmed that the quantification of the expression of informative markers increases the diagnostic value of immunophenotyping in mature CD5+ B-cell neoplasms. (c) 2017 International Clinical Cytometry Society. PMID- 29220871 TI - Role of flow-cytometric immunophenotyping in prediction of BCR/ABL1 gene rearrangement in adult B-cell acute lymphoblastic leukemia. AB - We performed a retrospective analysis of 88 adult patients with B-ALL diagnosed in our center by a flow-cytometric assessment. Immunophenotypic expression of leukemic cells was explored by simultaneous evaluation of positivity, percentage of expressing cells and median fluorescence intensity (MFI). BCR/ABL1 fusion transcripts were assessed by RT-PCR analysis and were identified in 36 patients (40.9%). CD10 and CD34 were positive in the totality of BCR/ABL1-positive cases. Patients with gene rearrangement had a greater frequency of CD66c, CD13 and CD33 positivity compared with BCR/ABL1-negative cases. Moreover, BCR/ABL1-positive cases exhibited a greater median percentage and MFI values of CD13, CD33, CD66c, CD10, CD34 and CD25 expressions, but a lower median percentage and MFI values of CD38 and CD22 expressions than patients without gene rearrangement. Multivariate logistic regression analysis showed that CD10, CD38 and CD13 expressions were independent predictors for the presence of BCR/ABL1 rearrangement. Predictive probabilities of molecular occurrence based on these markers are proposed. (c) 2017 International Clinical Cytometry Society. PMID- 29220872 TI - New hydrazide-hydrazones of isonicotinic acid: synthesis, lipophilicity and in vitro antimicrobial screening. AB - This study describes the synthesis, lipophilicity and in vitro antimicrobial assays of 15 new hydrazide-hydrazones of isonicotinic acid. New derivatives were obtained on the basis of the condensation reaction of isonicotinic acid hydrazide with different aromatic aldehydes. The chemical structure of synthesized compounds was confirmed by spectral methods. Experimental lipophilicity of new isonicotinic acid derivatives was determined using reversed-phase thin-layer chromatography. All synthesized compounds were subjected to in vitro antimicrobial assays against reference strains of Gram-positive bacteria, Gram negative bacteria and fungi belonging to Candida spp. Some of the synthesized hydrazide-hydrazones proved to be significant antibacterial compounds and more potent than commonly used chemotherapeutic agents. PMID- 29220874 TI - Evolution of larval competitiveness and associated life-history traits in response to host shifts in a seed beetle. AB - Resource competition is frequently strong among parasites that feed within small discrete resource patches, such as seeds or fruits. The properties of a host can influence the behavioural, morphological and life-history traits of associated parasites, including traits that mediate competition within the host. For seed parasites, host size may be an especially important determinant of competitive ability. Using the seed beetle, Callosobruchus maculatus, we performed replicated, reciprocal host shifts to examine the role of seed size in determining larval competitiveness and associated traits. Populations ancestrally associated with either a small host (mung bean) or a large one (cowpea) were switched to each other's host for 36 generations. Compared to control lines (those remaining on the ancestral host), lines switched from the small host to the large host evolved greater tolerance of co-occurring larvae within seeds (indicated by an increase in the frequency of small seeds yielding two adults), smaller egg size and higher fecundity. Each change occurred in the direction predicted by the traits of populations already adapted to cowpea. However, we did not observe the expected decline in adult mass following the shift to the larger host. Moreover, lines switched from the large host (cowpea) to the small host (mung bean) did not evolve the predicted increase in larval competitiveness or egg size, but did exhibit the predicted increase in body mass. Our results thus provide mixed support for the hypothesis that host size determines the evolution of competition-related traits of seed beetles. Evolutionary responses to the two host shifts were consistent among replicate lines, but the evolution of larval competition was asymmetric, with larval competitiveness evolving as predicted in one direction of host shift, but not the reverse. Nevertheless, our results indicate that switching hosts is sufficient to produce repeatable and rapid changes in the competition strategy and fitness-related traits of insect populations. PMID- 29220873 TI - Effect of sleep on overnight cerebrospinal fluid amyloid beta kinetics. AB - Sleep disturbances are associated with future risk of Alzheimer disease. Disrupted sleep increases soluble amyloid beta, suggesting a mechanism for sleep disturbances to increase Alzheimer disease risk. We tested this response in humans using indwelling lumbar catheters to serially sample cerebrospinal fluid while participants were sleep-deprived, treated with sodium oxybate, or allowed to sleep normally. All participants were infused with 13 C6 -leucine to measure amyloid beta kinetics. We found that sleep deprivation increased overnight amyloid beta38, amyloid beta40, and amyloid beta42 levels by 25 to 30% via increased overnight amyloid beta production relative to sleeping controls. These findings suggest that disrupted sleep increases Alzheimer disease risk via increased amyloid beta production. Ann Neurol 2018;83:197-204. PMID- 29220875 TI - Interleukin-21 receptor signalling is not critically required for imiquimod induced psoriasiform dermatitis in mice. AB - Psoriasis is largely mediated by interleukin (IL)-23/T helper (Th) 17 axis, and IL-21 is a pleiotropic cytokine expressed by Th17 cells. Despite previously reported possible pathogenic roles of IL-21 in human psoriasis, we found that IL 21 receptor (IL-21R) signalling was not crucial for imiquimod-induced psoriatic inflammation, using IL-21R-/- mice. The severity of imiquimod-induced psoriatic manifestation and pro-inflammatory Th17 cytokine levels, IL-17A-producing gammadelta T cells and CD4+ T cells, and in vitro IL-17A production by gammadelta T cells after IL-23 stimulation was comparable between wild-type and IL-21R-/- mice. Collectively, IL-21R signalling was not critically involved in IMQ-induced psoriatic inflammation despite an increased IL-21 expression in the IMQ-treated mouse skin. Our data may represent the significant differences between human psoriasis and murine psoriasis model, and further studies using other models will be required to elucidate the role of IL-21 in psoriasis pathogenesis. PMID- 29220876 TI - Pharmacokinetics, clot strength and safety of a new fibrinogen concentrate: randomized comparison with active control in congenital fibrinogen deficiency. AB - : Essentials Congenital afibrinogenemia causes a potentially life-threatening bleeding and clotting tendency. Two human fibrinogen concentrates (HFCs) were compared in a randomized pharmacokinetic study. Bioequivalence was not shown for AUCnorm , which was significantly larger for the new HFC. Increases in clot strength were comparable, and no thromboses or deaths occurred in the study. SUMMARY: Background Human fibrinogen concentrate (HFC) corrects fibrinogen deficiency in congenital a-/hypofibrinogenemia. Objectives To assess pharmacokinetics (PK), effects on thromboelastometry maximum clot firmness (MCF), and safety of a new double virus-inactivated/eliminated, highly purified HFC vs. active control. Patients/Methods In this multinational, randomized, phase II, open-label, crossover study in 22 congenital afibrinogenemia patients aged >= 12 years, 70 mg kg-1 of new HFC (FIBRYGA, Octapharma AG) or control (Haemocomplettan(r) P/RiaSTAPTM, CSL Behring GmbH) were administered, followed by crossover to the other concentrate. Fibrinogen activity, PK and MCF in plasma were assessed. Results The concentrates were not bioequivalent for the primary endpoint, AUCnorm (mean ratio, 1.196; 90% confidence interval [CI], 1.117, 1.281). Remaining PK parameters (Cmaxnorm , IVR, t1/2 , MRT) reflected bioequivalence between concentrates, except for clearance (mean ratio, 0.836; 90% CI, 0.781, 0.895) and Vss (mean ratio, 0.886; 90% CI, 0.791, 0.994). Mean AUCnorm was significantly larger for the new HFC (1.62 +/- 0.45 vs. 1.38 +/- 0.47 h kg g L-1 mg-1 , P = 0.0001) and mean clearance was significantly slower (0.665 +/- 0.197 vs. 0.804 +/- 0.255 mL h-1 kg-1 , P = 0.0002). Mean MCF increased from 0 mm to 9.68 mm (new HFC) and 10.00 mm (control) 1-hour post-infusion (mean difference, -0.32 mm; 95% CI, -1.70, 1.07, n.s.). No deaths, thromboses, viral seroconversions or serious related adverse events occurred. Conclusions Bioequivalence was not demonstrated for AUCnorm , clearance and Vss . Larger AUCnorm and slower clearance were observed for the new HFC. Remaining pharmacokinetic parameters reflected bioequivalence to control. Safety profiles and increases in clot strength were comparable between concentrates. PMID- 29220877 TI - Increased circulating plasma cells detected by flow cytometry predicts poor prognosis in patients with plasma cell myeloma. AB - BACKGROUND: Flow cytometry (FC) is a reliable tool for diagnosing and monitoring of plasma cell myeloma (PCM). Recent studies used FC for quantifying plasma cells (PCs) in peripheral blood (PB) using various panels, and an adverse prognostic effect of circulating PCs (cPCs) has been reported. We investigated the prognostic implication of cPCs quantified using a simple panel in patients with PCM. METHODS: Bone marrow (BM) and PB of 85 patients with PCM were analyzed by five-color FC at time of diagnosis. A serial gating strategy for quantification used CD38/CD138 to gate PCs in 100,000-200,000 acquired events, with subsequent gating for CD19, CD56, and CD45, to identify aberrant immunophenotypes. RESULTS: cPCs were observed in 74.1% patients (63/85, median 0.067% leukocytes). Patients were grouped based on a cPC cut-off level of 0.02% derived using the receiver operating characteristic curves. Compared with patients with cPCs < 0.02% (n = 28), those with cPCs >= 0.02% (n = 57) showed lower hemoglobin (P = 0.003) and platelets (P = 0.014), but higher calcium, M-protein and BM PCs (P = 0.013, 0.029, and P < 0.001, respectively). Survival analysis of 74 patients showed that cPCs >= 0.02% predicted shorter progression-free and overall survival (P = 0.001 and 0.013, respectively), and this negative prognostic impact was retained in multivariate analysis (P = 0.023). CONCLUSIONS: Flow cytometric quantification of cPCs using five surface antigens (CD138, CD38, CD56, CD19, and CD45) is a sensitive and simple method that can be used for assessing PCM prognosis; it would allow clinical laboratories to readily adopt a risk stratification strategy based on cPC levels in PCM patients. (c) 2017 International Clinical Cytometry Society. PMID- 29220878 TI - A qualitative study of the experience of lower extremity wounds and amputations among people with diabetes in Philadelphia. AB - The purpose of this study was to explore perceptions among people with type 2 diabetes about foot ulcers and lower extremity amputations. This was a qualitative observational study utilizing open-ended, semistructured interviews of 39 people with diabetes who were purposively selected because they had either a foot ulcer (n = 19) or a lower extremity amputation (n = 20). Interviews were audio-recorded, deidentified, and entered into NVivo 10.0 for coding and analysis. Our integrated analytic approach combined inductively and deductively derived codes that were applied to all transcripts. Coded data were summarized and examined for patterns. Participants' description of the relationship between diabetes and their foot ulcer or amputation revealed a limited understanding of the disease process. Disruption and loss of independence was expressed whether the person had a foot ulcer or an amputation. Treatment recommendations for foot ulcers were viewed by most as extremely difficult. Amputation was a feared outcome, but some learned to adapt and, at times felt that the amputation enhanced their quality of life. Clinicians have assumed that a focus on limb salvage is preferred over a major amputation. However, because of the complexity of care requiring frequent healthcare provider visits, the frequency of care failure, the frequency of recurrence, and mortality associated with having had a foot ulcer, it may be more appropriate for clinicians to prioritize quality-of life salvage. Foot ulcer treatment failure may be due to a lack of providers' understanding of the impact of treatment on a patient's life. PMID- 29220879 TI - Detection and a functional characterization of the novel FBN1 intronic mutation underlying Marfan syndrome: case presentation. PMID- 29220880 TI - Development of a new biochip array for APOE4 classification from plasma samples using immunoassay-based methods. AB - BACKGROUND: Apolipoprotein E (APOE) is a key player in lipid transport and metabolism and exists in three common isoforms: APOE2, APOE3 and APOE4. The presence of the E4 allelic variant is recognized as a major genetic risk factor for dementia and other chronic (neuro)degenerative diseases. The availability of a validated assay for rapid and reliable APOE4 classification is therefore advantageous. METHODS: Biochip array technology (BAT) was successfully applied to identify directly the APOE4 status from plasma within 3 h, through simultaneous immunoassay-based detection of both specific APOE4 and total APOE levels. RESULTS: Samples (n=432) were first genotyped by polymerase chain reaction (PCR), and thereafter, using BAT, the corresponding plasma was identified as null, heterozygous or homozygous for the E4 allele by calculating the ratio of APOE4 to total APOE protein. Two centers based in Austria and Ireland correctly classified 170 and 262 samples, respectively, and achieved 100% sensitivity and specificity. CONCLUSIONS: This chemiluminescent biochip-based sandwich immunoarray provides a novel platform to detect rapidly and accurately an individual's APOE4 status directly from plasma. The E4 genotype of individuals has been shown previously to affect presymptomatic risk, prognosis and treatment response for a variety of diseases, including Alzheimer's disease. The biochip's potential for being incorporated in quantitative protein biomarker arrays capable of analyzing disease stages makes it a superior alternative to PCR-based APOE genotyping and may deliver additional protein-specific information on a variety of diseases in the future. PMID- 29220881 TI - The UGT1A1*28 gene variant predicts long-term mortality in patients undergoing coronary angiography. AB - BACKGROUND: Uridine diphosphate glycosyltransferases 1A1 (UGT1A1) plays an essential role in detoxification and excretion of several endogenous and exogenous compounds. A functional polymorphism in the promoter of the UGT1A1 gene (TA repeat insertion, UGT1A1*28, rs3064744) has been associated with reduced UGT1A1 enzyme activity. The purpose of the present study was to investigate the role of UGT1A1 genotypes in mortality. METHODS: UGT1A1 genotypes as well as baseline plasma bilirubin levels were analyzed in participants of the Ludwigshafen Risk and Cardiovascular Health study (n=3316). UGT1A1*28 genotypes were determined on an ABI PRISM 3730 genetic analyzer. RESULTS: As expected, UGT1A1 genotypes were associated with baseline bilirubin levels (*1/*1 genotype: 9.1+/-4.6 umol/L; *1/*28 genotype: 10.8+/-5.3; *28/*28: 16.9+/-9.2; p<0.001). During a median follow-up of 10.4 years, 995 subjects (30.0%) died. In a multivariate regression analysis adjusting for age, sex, smoking, type 2 diabetes, dyslipidemia, alanine aminotransferase (ALT) levels and bilirubin levels, the UGT1A1*28 variant predicted lower overall mortality (hazard ratio [HR], 0.86; 95% confidence interval [CI], 0.78-0.95; p=0.003). Contrary to expected, higher baseline bilirubin levels predicted increased mortality (HR, 1.014; 95% CI, 1.002-1.025; p=0.019). CONCLUSIONS: The UGT1A1*28 gene variant is associated with lower mortality rates. The protective effect of the UGT1A1*28 variant likely includes mechanism other than bilirubin metabolism. PMID- 29220882 TI - A specific abnormal scattergram of peripheral blood leukocytes that may suggest hairy cell leukemia. PMID- 29220883 TI - Association of adrenal hormone metabolites and mortality over a 6-year follow-up in COPD patients with acute exacerbation. AB - BACKGROUND: The release of hormones from the adrenal gland is vital in acute and chronic illnesses such as chronic obstructive pulmonary disease (COPD) involving recurrent exacerbations. Using a metabolomic approach, we aim to investigate associations of different adrenal hormone metabolites with short- and long-term mortality in COPD patients. METHODS: We prospectively followed 172 COPD patients (median age 75 years, 62% male) from a previous Swiss multicenter trial. At baseline, we measured levels of a comprehensive spectrum of adrenal hormone metabolites, including glucocorticoid, mineralocorticoid and androgen hormones by liquid chromatography coupled with tandem mass spectrometry (MS). We calculated Cox regression models adjusted for gender, age, comorbidities and previous corticosteroid therapy. RESULTS: Mortality was 6.4% after 30 days and increased to 61.6% after 6 years. Higher initial androgen hormones predicted lower long term mortality with significant results for dehydroepiandrosterone (DHEA) [adjusted hazard ratio (HR), 0.82; 95% confidence interval (CI), 0.70-0.98; p=0.026] and dehydroepiandrosterone sulfate (DHEA-S) (adjusted HR, 0.68; 95% CI, 0.50-0.91; p=0.009). An activation of stress hormones (particularly cortisol and cortisone) showed a time-dependent effect with higher levels pointing towards higher mortality at short term, but lower mortality at long term. Activation of the mineralocorticoid axis tended to be associated with increased short-term mortality (adjusted HR of aldosterone, 2.76; 95% CI, 0.79-9.65; p=0.111). CONCLUSIONS: Independent of age, gender, corticosteroid exposure and exacerbation type, adrenal hormones are associated with mortality at short and long term in patients with COPD exacerbation with different time-dependent effects of glucocorticoids, androgens and mineralocorticoids. A better physiopathological understanding of the causality of these effects may have therapeutic implications. PMID- 29220884 TI - A Black Swan in clinical laboratory practice: the analytical error due to interferences in immunoassay methods. AB - It is well known that the results of immunoassay methods can be affected by specific or non-specific interferences, ranging from 0.4% to 4.0%. The presence of interference may greatly compromise the accuracy of immunoassay analyses causing an error in the measurement, producing false-positive or false-negative results. From a clinical point of view, these analytical errors may have serious implications for patient care because they can cause misdiagnosis or inappropriate treatment. Unfortunately, it is a very difficult task to identify the irregular analytical errors related to immunoassay methods because they are not detectable by normal laboratory quality control procedures, are reproducible within the test system, may be clinically plausible and are relatively rare. The first line of defense against erroneous results is to use in laboratory practice only immunoassay systems with the highest level of robustness against interference. The second line of defense is always taking into account the possibility of interference in immunoassay results. A correct approach should be addressed on identification of samples at high risk of interference. The attainment of this goal requires a critical review of the test result in relation to patient's clinical conditions and literature data, taking into account the analytical characteristics of the immunoassay system. The experts in immunoassay systems should make every effort to find some specific and reliable quality indicators for irregular analytical errors in order to better detect and monitor erroneous immunoassay results due to specific or non-specific interferences. PMID- 29220913 TI - Editorial. PMID- 29220885 TI - Indexes of the erythropoietin level in the blood plasma of chronic heart failure patients with anemia. AB - BACKGROUND: Anemia aggravates the disease course and the survival rate of chronic heart failure (CHF) patients. The purpose of the study was to investigate the level of erythropoietin (EPO) in CHF patients with anemic syndrome, with the aim to more accurately assess the severity of the disease and its treatment, depending on the anemia degree. METHODS: Patients with ischemic CHF of I-IV functional class (FC) with and without anemia were examined (total number of patients=208, patients with anemia=174). The EPO was determined using the enzyme linked immunosorbent assay. Before treatment, the patients underwent the following medical therapy: angiotensin-converting enzyme inhibitors, angiotensin II receptor blockers, long-acting nitrates, diuretics, digoxin, and beta-blockers at individual doses. Depending on the plasma EPO level, the CHF patients with anemia were divided into four randomized groups in terms of treatment. RESULTS: Normal erythropoietinemia was found in 36.2% of the CHF patients with anemic syndrome (I-III FC), hypoerythropoietinemia in 44.8% (III-IV FC), and hypererythropoietinemia in 18.96% (III-V FC). The EPO level in the blood plasma of the patients with I-II FC CHF with hypoerythropoietinemia, who were treated with methoxy polyethylene glycol-epoetin beta (MEB), increased by 2.2 times. Combination therapy with disease-modifying drugs and MEB led to a significant increase in the plasma EPO level in the CHF patients with hypoerythropoietinemia. CONCLUSIONS: It was shown that the EPO level in patients with CHF and anemia did not always drop. Hypererythropoietinemia in patients with CHF and anemia leads to an unfavorable treatment prediction. This necessitates the investigation of the EPO level in all patients with CHF before and after treatment, with the aim of correcting the anemic syndrome. The research showed that the combined therapy of patients with CHF and anemia using MEB medication and iron with regard to the EPO level in the blood plasma improved their overall physical condition, reduced heart failure symptoms and hospitalization frequency, and demonstrated a clear tendency to reduce the general mortality rate. PMID- 29220955 TI - Online High-throughput Mutagenesis Designer Using Scoring Matrix of Sequence specific Endonucleases. AB - CRISPR Cas9 and other sequence-specific endonucleases are fundamental genome editors supporting gene knockout and gene therapy. A speedy and accurate computational allele designer is required for a high through-put gene mutagenesis pipeline using these new techniques. An automatic system, Cas9 online designer (COD), was created to screen Cas9 targets and off-targets, as well as to provide gene knockout and genotyping strategies. A gene knockout rat model was successfully created and genotyped under the direction of this online system confirming its ability to predict real targets and off-targets. Gene knockout strategies to mutate 72 rat cytochrome P450 genes were designed instantly by the system to demonstrate its high-throughput efficiency. Also, the system used an off-target scoring matrix which can be applied to any sequence-specific genome editing tools besides Cas9. The COD system (http://cas9.wicp.net) has established a speedy, accurate, flexible and high through-put computational gene knockout pipeline supporting the sequence-specific endonuclease induced mutagenesis. PMID- 29220979 TI - Selecting the optimal synthesis parameters of InP/CdxZn1-xSe quantum dots for a hybrid remote phosphor white LED for general lighting applications. AB - Quantum dots can be used in white LEDs for lighting applications to fill the spectral gaps in the combined emission spectrum of the blue pumping LED and a broad band phosphor, in order to improve the source color rendering properties. Because quantum dots are low scattering materials, their use can also reduce the amount of backscattered light which can increase the overall efficiency of the white LED. The absorption spectrum and narrow emission spectrum of quantum dots can be easily tuned by altering their synthesis parameters. Due to the re absorption events between the different luminescent materials and the light interaction with the LED package, determining the optimal quantum dot properties is a highly non-trivial task. In this paper we propose a methodology to select the optimal quantum dot to be combined with a broad band phosphor in order to realize a white LED with optimal luminous efficacy and CRI. The methodology is based on accurate and efficient simulations using the extended adding-doubling approach that take into account all the optical interactions. The method is elaborated for the specific case of a hybrid, remote phosphor white LED with YAG:Ce phosphor in combination with InP/CdxZn1-xSe type quantum dots. The absorption and emission spectrum of the quantum dots are generated in function of three synthesis parameters (core size, shell size and cadmium fraction) by a semi empirical 'quantum dot model' to include the continuous tunability of these spectra. The sufficiently fast simulations allow to scan the full parameter space consisting of these synthesis parameters and luminescent material concentrations in terms of CRI and efficacy. A conclusive visualization of the final performance allows to make a well-considered trade-off between these performance parameters. For the hybrid white remote phosphor LED with YAG:Ce and InP/CdxZn1-xSe quantum dots a CRI Ra = 90 (with R9>50) and an overall efficacy of 110 lm/W is found. PMID- 29220980 TI - Modeling the single and multiple scattering properties of soot-laden mineral dust aerosols. AB - Fractal particle morphologies are employed to study the light scattering properties of soot-laden mineral dust aerosols. The applicability of these models is assessed in comparison with measurements and other numerical studies. To quantify the dust-soot mixing effects on the single and multiple scattering properties, a parameterization of the effective bulk properties is developed. Based on the parameterized bulk properties, polarized one-dimensional radiative transfer simulations are performed. The results indicate that small uncertainties in conjunction with soot contamination parameters may lead to large uncertainties in both forward and inverse modeling involving mineral dust contaminated with soot. PMID- 29220981 TI - Influence of luminescent material properties on stimulated emission luminescent solar concentrators (SELSCs) using a 4-level system. AB - The effect of various design and material parameters on the efficiency of stimulated emission-based luminescent solar concentrators (SELSCs) is studied numerically using a 4-level luminescent material containing concentrator. It is shown that the most efficient SELSCs have emission wavelengths of 1.5-1.8 um, with a strong dependence on the Stokes shift. Depending on the parameters of the system, spontaneous emission is shown to nevertheless account for a significant fraction of potential energy generation. Assuming a propagation loss constant of 0.1m-1, and a refractive index of 1.5, the optimal length of an SELSC is found to be ~1.5m. Given these losses and an efficiency target of 10% greater than traditional LSCs, the required material emission linewidth varies from 10 to 100nm, with maximum thicknesses of 3-30 um. Further, when reflection and propagation losses are considered, a single laser pass is preferred over multiple passes. It is also shown that SELSCs are significantly less sensitive to luminescent quantum efficiency when compared to conventional LSCs due to the increased radiative emission rate. PMID- 29220982 TI - Photonic thermal diode enabled by surface polariton coupling in nanostructures. AB - A novel photonic thermal diode concept operating in the near field and capitalizing on the temperature-dependence of coupled surface polariton modes in nanostructures is proposed. The diode concept utilizes terminals made of the same material supporting surface polariton modes in the infrared, but with dissimilar structures. The specific diode design analyzed in this work involves a thin film and a bulk, both made of 3C silicon carbide, separated by a subwavelength vacuum gap. High rectification efficiency is obtained by tuning the antisymmetric resonant modes of the thin film, resulting from surface phonon-polariton coupling, on- and off-resonance with the resonant mode of the bulk as a function of the temperature bias direction. Rectification efficiency is investigated by varying structural parameters, namely the vacuum gap size, the dielectric function of the substrate onto which the film is coated, and the film thickness to gap size ratio. Calculations based on fluctuational electrodynamics reveal that high rectification efficiencies in the 80% to 87% range can be maintained in a wide temperature band (~700 K to 1000 K). The rectification efficiency of the proposed diode concept can potentially be further enhanced by investigating more complex nanostructures such as gratings and multilayered media. PMID- 29220983 TI - Biomimetic spiral grating for stable and highly efficient absorption in crystalline silicon thin-film solar cells: erratum. AB - In the original manuscript, the maximum short-circuit current in Fig. 2 and the description of angular stability for polarization in Fig. 6 are found incorrect owing to negligence. The incorrect maximum integrated absorption also led to errors appeared in Fig. 3 and Fig. 4(d), in which the mistake value was used to plot. In this erratum, all of those mistakes have been corrected. Moreover, both higher Fourier expansion order and the resolution of frequency are adopted in the recalculation to make sure the updated results to be reliable. The updated data presented still support the main conclusions drawn in the previous manuscript. PMID- 29220984 TI - Plasma nanotexturing of silicon surfaces for photovoltaics applications: influence of initial surface finish on the evolution of topographical and optical properties. AB - Using a plasma to generate a surface texture with feature sizes on the order of tens to hundreds of nanometers ("nanotexturing") is a promising technique being considered to improve efficiency in thin, high-efficiency crystalline silicon solar cells. This study investigates the evolution of the optical properties of silicon samples with various initial surface finishes (from mirror polish to various states of micron-scale roughness) during a plasma nanotexturing process. It is shown that during said process, the appearance and growth of nanocone-like structures are essentially independent of the initial surface finish, as quantified by the auto-correlation function of the surface morphology. During the first stage of the process (2 min to 15 min etching), the reflectance and light trapping abilities of the nanotextured surfaces are strongly influenced by the initial surface roughness; however, the differences tend to diminish as the nanostructures become larger. For the longest etching times (15 min or more), the effective reflectance is less than 5% and a strong anisotropic scattering behavior is also observed for all samples, leading to very elevated levels of light-trapping. PMID- 29220985 TI - Tungsten-based highly selective solar absorber using simple nanodisk array. AB - In this paper, we report the design, fabrication, and characterization of a tungsten-based metamaterial selective solar absorber (SSA) combining a metal insulator-metal (MIM) structure and simple nanodisk array. The as-fabricated absorber absorbs strongly and selectively in the wavelength range of 0.5-1.75 MUm with a characterized absorptance of more than 90%, which drops abruptly to less than 12.6% beyond 2.5 MUm. In addition, this broadband and highly selective absorber is polarization-insensitive under incidence of normal plane waves. Moreover, the solar selectivity remains invariable up to 40 degrees , which is beneficial for solar thermal applications. These properties are verified theoretically and experimentally in the present work. Further analysis on energy dissipation reveals the underlying physics and optical performances. PMID- 29220986 TI - Determination of the absorption coefficient of chromophoric dissolved organic matter from underway spectrophotometry. AB - Measurements of the absorption coefficient of chromophoric dissolved organic matter (ay) are needed to validate existing ocean-color algorithms. In the surface open ocean, these measurements are challenging because of low ay values. Yet, existing global datasets demonstrate that ay could contribute between 30% to 50% of the total absorption budget in the 400-450 nm spectral range, thus making accurate measurement of ay essential to constrain these uncertainties. In this study, we present a simple way of determining ay using a commercially-available in-situ spectrophotometer operated in underway mode. The obtained ay values were validated using independent collocated measurements. The method is simple to implement, can provide measurements with very high spatio-temporal resolution, and has an accuracy of about 0.0004 m-1 and a precision of about 0.0025 m-1 when compared to independent data (at 440 nm). The only limitation for using this method at sea is that it relies on the availability of relatively large volumes of ultrapure water. Despite this limitation, the method can deliver the ay data needed for validating and assessing uncertainties in ocean-colour algorithms. PMID- 29220987 TI - Demonstration of a diode-laser-based high spectral resolution lidar (HSRL) for quantitative profiling of clouds and aerosols. AB - We present a demonstration of a diode-laser-based high spectral resolution lidar. It is capable of performing calibrated retrievals of aerosol and cloud optical properties at a 150 m range resolution with less than 1 minute integration time over an approximate range of 12 km during day and night. This instrument operates at 780 nm, a wavelength that is well established for reliable semiconductor lasers and detectors, and was chosen because it corresponds to the D2 rubidium absorption line. A heated vapor reference cell of isotopic rubidium 87 is used as an effective and reliable aerosol signal blocking filter in the instrument. In principle, the diode-laser-based high spectral resolution lidar can be made cost competitive with elastic backscatter lidar systems, yet delivers a significant improvement in data quality through direct retrieval of quantitative optical properties of clouds and aerosols. PMID- 29220988 TI - Toward high performance nanoscale optoelectronic devices: super solar energy harvesting in single standing core-shell nanowire. AB - Single nanowire solar cells show great promise for next-generation photovoltaics and for powering nanoscale devices. Here, we present a detailed study of light absorption in a single standing semiconductor-dielectric core-shell nanowire (CSNW). We find that the CSNW structure can not only concentrate the incident light into the structure, but also confine most of the concentrated light to the semiconductor core region, which boosts remarkably the light absorption cross section of the semiconductor core. The CSNW can support multiple higher-order HE modes, as well as Fabry-Perot (F-P) resonance, compared to the bare nanowire (BNW). Overlapping of the adjacent higher-order HE modes results in broadband light absorption enhancement in the solar radiation spectrum. Results based on detailed balance analysis demonstrate that the super light concentration of the single CSNW gives rise to higher short-circuit current and open-circuit voltage, and thus higher apparent power conversion efficiency (3644.2%), which goes far beyond that of the BNW and the Shockley-Queisser limit that restricts the performance of a planar counterparts. Our study shows that the single CSNW can be a promising platform for construction of high performance nanoscale photodetectors, nanoelectronic power sources, super miniature cells, and diverse integrated nanosystems. PMID- 29220989 TI - Biases in ocean color over a Secchi disk. AB - The oldest record of ocean color measurements consists of visual comparisons to a standardized color scale, the Forel-Ule scale (FU). Analysis of FU archived data allows the construction of a century-long time series. In situ protocols of FU measurements require the perceived color to be estimated over the water column above a Secchi disk (SD) at half of the depth where it goes out of sight, whereas satellites retrieve FU over the water column alone. I show in this article that these two methodologies lead to different FU readings and thus, merging both kinds of data will create artificial trends. In case 1 waters, radiative transfer simulations show that measuring over a SD shifts FU between 0 and + 2 in respect to no SD, and there exists no possibility to relate the two in a univocal fashion. A univocal relationship is found if color is expressed in terms of the hue angle, which can be calculated from light spectra or RGB images. PMID- 29220990 TI - Laser induced photocatalytic activity enhancement of TiO2 thin films. AB - In this paper, the photocatalytic activity enhancement of TiO2 thin films was realized by laser irradiation. The H2 yield of the as-irradiated film is 79 MUmol/(h*m2), which is 33% more than that of the as-deposited TiO2 film. Spectrophotometer, X-ray diffraction and Raman system were employed to characterize the samples. The results showed that both the scanning rate and line spacing of the laser modification have effects on photocatalytic activity. It suggests that a phase junction is formed between the amorphous and rutile phases. The increment of H2 generation could be attributed to the alignment of Fermi levels in the phase junction. PMID- 29220991 TI - Assessing uncertainties in scattering correction algorithms for reflective tube absorption measurements made with a WET Labs ac-9. AB - In situ absorption measurements collected with a WET Labs ac-9 employing a reflective tube approach were scatter corrected using several possible methods and compared to reference measurements made by a PSICAM to assess performance. Overall, two correction methods performed best for the stations sampled: one using an empirical relationship between the ac-9 and PSICAM to derive the scattering error (epsilon) in the near-infrared (NIR), and one where epsilon was independently derived from concurrent measurements of the volume scattering function (VSF). Application of the VSF-based method may be more universally applicable, although difficult to routinely apply because of the lack of commercially available VSF instrumentation. The performance of the empirical approach is encouraging as it relies only on the ac meter measurement and may be readily applied to historical data, although there are inevitably some inherent assumptions about particle composition that hinder universal applicability. For even the best performing methods, residual errors of 20% or more were commonly observed for many water types. For clear ocean waters, a conventional baseline subtraction with the assumption of negligible near-IR absorption performed as well or better than the above methods because propagated uncertainties were lower than observed with the proportional method. PMID- 29220992 TI - All-inorganic perovskite-based distributed feedback resonator. AB - Halide perovskite materials have rapidly emerged as outstanding optoelectronic materials for solar cells, light-emitting diodes (LEDs), and lasers. Compared to hybrid organic-inorganic perovskites, all-inorganic perovskites have shown unique merits that may contribute to the ultimate goal of developing electrically-pumped lasers. In this paper, we demonstrate a distributed feedback (DFB) resonator using an all-inorganic perovskite thin film as the gain medium. The film has a gain coefficient of 161.1 cm-1 and a loss coefficient of 30.9 cm-1. Excited by picosecond pulses, the microstructured all-inorganic perovskite film exhibits a single-mode emission at 654 nm with a threshold of 33 MUJ/cm2. The facile fabrication process provides a promising route towards low-cost single-mode visible lasers for many practical applications. PMID- 29220993 TI - Spectral signature of nonlinear effects in semiconductor optical amplifiers. AB - Optical spectra of signals at the output of semiconductor optical amplifiers (SOA) provide useful insight into amplifier nonlinearities. In this work, we determine the parameters of an analytical SOA model with a pump-probe experiment by evaluating the measured spectra of the pump and probe pulses at the SOA output. The analytical lumped SOA model considers carrier depletion, carrier recovery, spectral hole burning, two-photon absorption, and we include an additional effect termed 'two-photon induced free-carrier absorption', that is responsible for creating an identifiable blue-shifted component in the spectra. We are able to relate the underlying physical nonlinear effects to the spectral peculiarities of the output pump and probe spectra, and give guidelines for the exploitation of these nonlinear effects for optical signal processing. In addition, with a much-simplified SOA model and by replacing the pump pulse with modulated data we show that the output spectrum is altered in a manner consistent with phase patterning effects. PMID- 29220994 TI - Numerical investigation of a scalable setup for efficient terahertz generation using a segmented tilted-pulse-front excitation. AB - A hybrid-type terahertz pulse source is proposed for high energy terahertz pulse generation. It is the combination of the conventional tilted-pulse-front setup and a transmission stair-step echelon-faced nonlinear crystal with a period falling in the hundred-micrometer range. The most important advantage of the setup is the possibility of using plane parallel nonlinear optical crystal for producing good-quality, symmetric terahertz beam. Another advantage of the proposed setup is the significant reduction of imaging errors, which is important in the case of wide pump beams that are used in high energy experiments. A one dimensional model was developed for determining the terahertz generation efficiency, and it was used for quantitative comparison between the proposed new hybrid setup and previously introduced terahertz sources. With lithium niobate nonlinear material, calculations predict an approximately ten-fold increase in the efficiency of the presently described hybrid terahertz pulse source with respect to that of the earlier proposed setup, which utilizes a reflective stair step echelon and a prism shaped nonlinear optical crystal. By using pump pulses of 50 mJ pulse energy, 500 fs pulse length and 8 mm beam spot radius, approximately 1% conversion efficiency and 0.5 mJ terahertz pulse energy can be reached with the newly proposed setup. PMID- 29220995 TI - Phase retrieval of the full vectorial field applied to coherent Fourier scatterometry. AB - Coherent Fourier scatterometry is an optical metrology technique that utilizes the measured intensity of the scattered optical field to reconstruct certain parameters of test structures written on a wafer with nano-scale accuracy. The intensity of the scattered field is recorded with a camera and this information is used to retrieve the grating parameters. To improve sensitivity in the parameter reconstruction, the phase of the scattered field can also be acquired. Interferometry can be used for this purpose, but with the cost of cumbersomeness. In this paper, we show that iterative phase retrieval methods can be applied to retrieve the scattered complex fields from only intensity measurement data. We show that the accuracy of the retrieved complex fields using phase retrieval is comparable to that measured directly using interferometry. PMID- 29220996 TI - 8-beam local oscillator array at 4.7 THz generated by a phase grating and a quantum cascade laser. AB - We present an 8-beam local oscillator (LO) for the astronomically significant [OI] line at 4.7 THz. The beams are generated using a quantum cascade laser (QCL) in combination with a Fourier phase grating. The grating is fully characterized using a third order distributed feedback (DFB) QCL with a single mode emission at 4.7 THz as the input. The measured diffraction efficiency of 74.3% is in an excellent agreement with the calculated result of 75.4% using a 3D simulation. We show that the power distribution among the diffracted beams is uniform enough for pumping an array receiver. To validate the grating bandwidth, we apply a far infrared (FIR) gas laser emission at 5.3 THz as the input and find a very similar performance in terms of efficiency, power distribution, and spatial configuration of the diffracted beams. Both results represent the highest operating frequencies of THz phase gratings reported in the literature. By injecting one of the eight diffracted 4.7 THz beams into a superconducting hot electron bolometer (HEB) mixer, we find that the coupled power, taking the optical loss into account, is in consistency with the QCL power value. PMID- 29220997 TI - Compact fiber biocompatible temperature sensor based on a hermetically-sealed liquid-filling structure. AB - A compact and robust fiber temperature sensor based on a hermetically-sealed liquid-filling Fabry-Perot (FP) cavity was fabricated by low-cost but efficient processes, including fusion splicing, liquid injection, and fused tapering. Owing to the high thermal optical coefficient (TOC) of the ethanol, the optical path difference (OPD) in the FP cavity varied strongly with temperature, which consequently induced a drastic wavelength shift of the reflection spectrum. Meanwhile, the low freezing point of the ethanol caused the fiber sensor to have the ability of detecting the sub-zero temperatures. As a result, a linear sensitivity as high as 429 pm/ degrees C was achieved in the range between -5 degrees C and 30 degrees C. In addition, our fiber temperature sensor also exhibited rapid response time, good repeatability, and stability. The biocompatible structure, low fabrication cost, and high performance of such a temperature sensor can provide it potential for biological applications. PMID- 29220998 TI - Characterization and control of a multi-primary LED light lab. AB - A new light lab facility has been commissioned at Rochester Institute of Technology with the research goal of studying human visual adaptation under temporally dynamic lighting. The lab uses five-channel LED luminaires with 16 bits of addressable depth per channel, addressed via DMX. Based on spectral measurements, a very accurate multi-primary additive color model has been built that can be used to provide "colorimetric plus" multi-primary channel intensity solutions optimized for spectral accuracy, color fidelity, color gamut, or other attributes. Several spectral tuning and multi-primary solutions are compared, for which accuracy results and IES TM-30-15 color rendition measures are shown. PMID- 29220999 TI - Resonant cavity enhanced waveguide transmission for broadband and high efficiency quarter-wave plate. AB - Existing transmission type optical quarter-wave plates based on metallic sub wavelength structures can hardly realize transmission efficiency above 60%. And their working bandwidths are still very narrow. In this paper, we demonstrate a transmission type quarter-wave plate design with efficiency above 92% over a broad wavelength range (from 1260 nm to 1560 nm). The device proposed is based on a one-dimensional metal-insulator-metal waveguide array buried in silica. Phase difference between transmitted TE and TM components can be tuned continuously. At the same time, transmission efficiency can be kept above 90% in the same spectral range for both the TE and TM incidences. The broad bandwidth and remarkable efficiency are explained with the combination of low dispersion of waveguide modes and the resonant cavity enhanced transmission effect. To give a better understanding of the structure, we also propose a modified effective medium model. The optical response of the structure can be well reproduced with the semi analytic effective medium model. PMID- 29221001 TI - Two-dimensional grating guided-mode resonance tunable filter. AB - A two-dimensional (2D) grating guided-mode resonance (GMR) tunable filter is experimentally demonstrated using a low-cost two-step nanoimprinting technology with a one-dimensional (1D) grating polydimethylsiloxane mold. For the first nanoimprinting, we precisely control the UV LED irradiation dosage and demold the device when the UV glue is partially cured and the 1D grating mold is then rotated by three different angles, 30 degrees , 60 degrees , and 90 degrees , for the second nanoimprinting to obtain 2D grating structures with different crossing angles. A high-refractive-index film ZnO is then coated on the surface of the grating structure to form the GMR filter devices. The simulation and experimental results demonstrate that the passband central wavelength of the filter can be tuned by rotating the device to change azimuth angle of the incident light. We compare these three 2D GMR filters with differential crossing angles and find that the filter device with a crossing angle of 60 degrees exhibits the best performance. The tunable range of its central wavelength is 668-742 nm when the azimuth angle varies from 30 degrees to 90 degrees . PMID- 29221000 TI - Compact illumination optic with three freeform surfaces for improved beam control. AB - Multi-chip and large size LEDs dominate the lighting market in developed countries these days. Nevertheless, a general optical design method to create prescribed intensity patterns for this type of extended sources does not exist. We present a design strategy in which the source and the target pattern are described by means of "edge wavefronts" of the system. The goal is then finding an optic coupling these wavefronts, which in the current work is a monolithic part comprising up to three freeform surfaces calculated with the simultaneous multiple surface (SMS) method. The resulting optic fully controls, for the first time, three freeform wavefronts, one more than previous SMS designs. Simulations with extended LEDs demonstrate improved intensity tailoring capabilities, confirming the effectiveness of our method and suggesting that enhanced performance features can be achieved by controlling additional wavefronts. PMID- 29221002 TI - Distributed spatial mode dispersion measurement along strongly coupled multicore fibers based on the correlation analysis of Rayleigh backscattering amplitudes. AB - We describe a method for measuring spatial mode dispersion (SMD) distribution along a strongly coupled multicore fiber (SC-MCF). The SMD has been defined for characterizing an SC-MCF, and it changes with respect to local fiber bending and twisting. However, conventional measurement methods characterize only the overall SMD, and cannot identify fiber portions where the environmental conditions affect the SMD. This paper demonstrates distributed SMD measurement along an SC-MCF by auto-correlating Rayleigh backscattering amplitudes obtained with coherent optical reflectometry. We confirm our method experimentally, and distinguish the difference between the SMD growth along twisted and non-twisted fiber sections in concatenated SC-MCFs. PMID- 29221003 TI - Controllable multiple plasmonic bending beams via polarization of incident waves. AB - Plasmonic bending beams, which preserve their spatial shapes while propagating along curved trajectories in metal-dielectric interface, offer important applications in the fields of fiber sensor, optical trapping, and micro-nano manipulation. In this work, circular hole array, as a local point-like sources of surface plasmon polaritons, is designed on the metal film to generate multiple plasmonic bending beams. The electric field intensity of multiple plasmonic bending beams is controlled by polarization angle of input light. In addition, the electric filed intensity of multiple plasmonic bending beams relies on circle hole radius. These findings provide guidance in the design and optimization of plasmonic bending beam generators. PMID- 29221004 TI - Ultrafast dynamics of multi-exciton state coupled to coherent vibration in zinc chlorin aggregates for artificial photosynthesis. AB - Ultrafast vibronic dynamics induced by the interaction of the Frenkel exciton with the coherent molecular vibrations in a layer-structured zinc chlorin aggregates prepared for artificial photosynthesis have been studied by 7.1 fs real-time vibrational spectroscopy with multi-spectrum detection. The fast decay of 100 +/- 5fs is ascribed to the relaxation from the higher multi-exciton state (MES) to the one-exciton state, and the slow one of 863 +/- 70fs is assigned to the relaxation from Q-exciton state to the dark nonfluorescent charge-transfer (CT) state, respectively. In addition, the wavelength dependences of the exciton vibration coupling strength are found to follow the zeroth derivative of the transient absorption spectra of the exciton. It could be explained in term of the transition dipole moment modulated by dynamic intensity borrowing between the B transition and the Q transition through the vibronic interactions. PMID- 29221005 TI - Manipulating excited state hyperfine level populations in an atomic laser through electronic spin polarization: controlling upper laser level degeneracy and small Signal Gain. AB - Anisotropic coherent radiation has been generated from an isotropic medium, in the absence of an external magnetic field, by the spin polarization of an atomic excited state. Lasing on specific hyperfine lines of the 6p2P32->6s2S12 (D2) transition of Cs at 852.1 nm has been realized by photoexciting Cs-rare gas thermal collision pairs with a circularly-polarized (sigma+) optical field. Subsequent dissociation of the transient Cs-rare gas B2Sigma12+ diatomic molecule selectively populates the F = 4, 5 hyperfine levels of the Cs 6p2P32 state. Not only does electronic spin polarization of the upper laser level yield circularly polarized coherent emission, but the effective degeneracy (g2) of the 6p2P32 state is altered by the non-statistical hyperfine state population distribution, thereby permitting control of the laser small signal gain with an elliptically polarized pump optical field. The D2 laser efficiency and output power correlate directly with the molecular orbital structure of the Cs-rare gas B2Sigma+ state in the region of internuclear separation at which the diatomic complex is born. PMID- 29221006 TI - Optical Peregrine rogue waves of self-induced transparency in a resonant erbium doped fiber. AB - The resonant interaction of an optical field with two-level doping ions in a cryogenic optical fiber is investigated within the framework of nonlinear Schrodinger and Maxwell-Bloch equations. We present explicit fundamental rational rogue wave solutions in the context of self-induced transparency for the coupled optical and matter waves. It is exhibited that the optical wave component always features a typical Peregrine-like structure, while the matter waves involve more complicated yet spatiotemporally balanced amplitude distribution. The existence and stability of these rogue waves is then confirmed by numerical simulations, and they are shown to be excited amid the onset of modulation instability. These solutions can also be extended, using the same analytical framework, to include higher-order dispersive and nonlinear effects, highlighting their universality. PMID- 29221007 TI - Energy-aware virtual network embedding in flexi-grid networks. AB - Network virtualization technology has been proposed to allow multiple heterogeneous virtual networks (VNs) to coexist on a shared substrate network, which increases the utilization of the substrate network. Efficiently mapping VNs on the substrate network is a major challenge on account of the VN embedding (VNE) problem. Meanwhile, energy efficiency has been widely considered in the network design in terms of operation expenses and the ecological awareness. In this paper, we aim to solve the energy-aware VNE problem in flexi-grid optical networks. We provide an integer linear programming (ILP) formulation to minimize the electricity cost of each arriving VN request. We also propose a polynomial time heuristic algorithm where virtual links are embedded sequentially to keep a reasonable acceptance ratio and maintain a low electricity cost. Numerical results show that the heuristic algorithm performs closely to the ILP for a small size network, and we also demonstrate its applicability to larger networks. PMID- 29221008 TI - Efficient strategy to increase higher order inter-modal stability of a step index multimode fiber. AB - We demonstrate a novel approach to enhance the mode stability through increased effective index difference (Deltaneff) between the higher-order modes (LP18, LP09 and LP19) of a multimode fiber. Fibers with large diameters have bigger effective mode areas (Aeff) and can be useful for high power lasers and amplifiers. However, a large mode area (LMA) results in an increased number of modes that can be more susceptible to mode coupling. The modal effective index difference (Deltaneff) strongly correlates with mode stability and this increases as the modal order (m) increases. We report here that the mode spacing between the higher order modes can be further enhanced by introducing doped concentric rings in the core. In our work, we have shown a more than 35% increase in the mode spacing between the higher order modes by optimizing the doping profile of a LMA fiber. The proposed design technique is also scalable and can be applied to improve the mode spacing between different higher order modes and their neighboring antisymmetric modes, as necessary. PMID- 29221009 TI - Dependence of the amplification performance of unsaturated degenerate phase sensitive amplification on wavelength allocation. AB - This paper theoretically investigates the dependence of the performance of dual pump degenerate phase-sensitive amplification (PSA) on wavelength allocation. A fiber-based PSA under unsaturated-gain conditions is considered. Phase mismatch is formalized in terms of incident light frequencies, taking the nonlinear phase shift into account, based on which PSA performances, such as signal gain, noise figure, and phase-clamping effect, are evaluated as a function of the signal wavelength. The results quantitatively indicate that these PSA properties are degraded as the signal wavelength is detuned from the phase-matched condition. PMID- 29221010 TI - Multipoint fiber-optic laser-ultrasonic actuator based on fiber core-opened tapers. AB - In this study, a novel fiber-optic, multipoint, laser-ultrasonic actuator based on fiber core-opened tapers (COTs) is proposed and demonstrated. The COTs were fabricated by splicing single-mode fibers using a standard fiber splicer. A COT can effectively couple part of a core mode into cladding modes, and the coupling ratio can be controlled by adjusting the taper length. Such characteristics are used to obtain a multipoint, laser-ultrasonic actuator with balanced signal strength by reasonably controlling the taper lengths of the COTs. As a prototype, we constructed an actuator that generated ultrasound at four points with a balanced ultrasonic strength by connecting four COTs with coupling ratios of 24.5%, 33.01%, 49.51%, and 87.8% in a fiber link. This simple-to-fabricate, multipoint, laser-ultrasonic actuator with balanced ultrasound signal strength has potential applications in fiber-optic ultrasound testing technology. PMID- 29221011 TI - Profile reconstruction method adopting parameterized re-projection errors of laser lines generated from bi-cuboid references. AB - A flexible reconstruction method, which is based on the line re-projection errors of the laser plane, is presented for the profile recovery. The bi-cuboid references are designed to cover the large view-field of the camera. The local intrinsic and extrinsic parameter matrices of the camera are initially contributed by the RQ decomposition. Then the balance model is demonstrated to obtain the global parameter matrices in view of the refined projection in the camera coordinate system. The flexible laser plane is solved by the Plucker matrices of the projection laser lines that are generated from the homographies of the cubical references and the global parameter matrices. Furthermore, the laser plane and global parameter matrices are improved by the cost function that is constructed by the re-projection errors of the parameterized laser lines on the references. The reconstruction experiments are performed to verify the validity and the accuracy of the optimization method and the initial method. The impact factors of the measurement distance, the reference distance and the test distance are investigated in the experiments. The average reconstruction errors are 1.14 mm, 1.13 mm, 1.15 mm and 1.17 mm in the four groups of experiments, which shows the good application prospect of the profile reconstructions. PMID- 29221012 TI - Optical trapping of nanoparticles with tunable inter-distance using a multimode slot cavity. AB - Optical trapping of nano-objects (i.e., the nano-tweezers) has been investigated intensively. Most of those nano-tweezers, however, were focused on the trapping of a single nanoparticle, while the interactions between them were seldom considered. In this work, we propose a nano-tweezers in a slot photonic crystal cavity supporting multiple modes, where the relative positions of two trapped nanoparticles can be tuned by selective excitation of different resonant mode. Results show that both the nanoparticles are trapped at the center of the cavity when the first order mode is excited. When the incident source is tuned to the second order mode, however, these two nanoparticles push each other and are trapped stably at two separated positions. Also, the inter-distance between them can be tuned precisely by changing the relative power of the two modes. This provides a potential method to control the interactions between two nano-objects via optically tuning the separation between them, and may have applications in various related disciplinary. PMID- 29221013 TI - Nonlinear beat noise in optical parametric chirped-pulse amplification. AB - The pulse contrast of state-of-the-art petawatt lasers is limited by coherent noise. This paper reports on a new family of noise, termed nonlinear beat noise, which is generated by the nonlinear mixing of two kinds of coherent noise in optical parametric chirped-pulse amplification (OPCPA). We theoretically study the various nonlinear beat noises and reveal their intensity evolutions in an OPCPA amplifier. The results suggest that nonlinear beat noise will be destructive to the future hundred-petawatt lasers. PMID- 29221014 TI - Digitally controlled multiplexed silicon photonics phase shifter using heaters with integrated diodes. AB - We present a silicon side heater with integrated diode to provide multiplexed control of different elements in a photonic circuit based on the polarity of the driving signal. The diode introduces an asymmetric electrical response where the heater is only active under forward bias. This can be used to address multiple heaters through the same electrical electrical contacts. We demonstrate push-pull operation on a Mach-Zehnder interferometer with heaters in both arms, as well as time-multiplexed operation of multiple heaters by modulating the driving signal. We extend this work by demonstrating how pulse width modulation (PWM) and duobinary-PWM can be used to improve the linearity of the response of the phase shifters. PMID- 29221015 TI - Speckle reduction using angular spectrum interleaving for triangular mesh based computer generated hologram. AB - We propose a method that eliminates speckle artifact in the reconstruction of triangular mesh based computer generated holograms. The proposed method generates a number of holograms with different sets of interleaved plane carrier waves. The generated holograms are displayed sequentially with time-multiplexing, achieving speckle-free reconstruction without sacrificing the viewing angle or depth of focus. The proposed method is verified experimentally using viewing-window type holographic display setup. The experimental results indicate that the proposed method can achieve speckle-free reconstruction with smaller number of the time multiplexing than conventional temporal speckle averaging techniques. PMID- 29221016 TI - 49.6 Gb/s direct detection DMT transmission over 40 km single mode fibre using an electrically packaged silicon photonic modulator. AB - We present the characterization of a silicon Mach-Zehnder modulator with electrical packaging and show that it exhibits a large third-order intermodulation spurious-free dynamic range (> 100 dB Hz2/3). This characteristic renders the modulator particularly suitable for the generation of high spectral efficiency discrete multi-tone signals and we experimentally demonstrate a single channel, direct detection transmission system operating at 49.6 Gb/s, exhibiting a baseband spectral efficiency of 5 b/s/Hz. Successful transmission is demonstrated over various lengths of single mode fibre up to 40 km, without the need of any amplification or dispersion compensation. PMID- 29221017 TI - Polarization-switchable and wavelength-controllable multi-functional metasurface for focusing and surface-plasmon-polariton wave excitation. AB - Realizing versatile functionalities in a single photonic device is crucial for photonic integration. We here propose a polarization-switchable and wavelength controllable multi-functional metasurface. By changing the polarization state of incident light, its functionality can be switched between the flat focusing lens and exciting surface-plasmon-polariton (SPP) wave. Interestingly, by tuning the wavelength of incident light, the generated SPP waves can also be controlled at desired interfaces, traveling along the upper or lower interface of the metasurface, or along both of them, depending on whether the incident light satisfies the first or second Kerker condition. This polarization-switchable and wavelength-controllable multifunctional metasurface may provide flexibility in designing tunable or multifunctional metasurfaces and may find potential applications in highly integrated photonic systems. PMID- 29221018 TI - Classification of symmetry properties of waveguide modes in presence of gain/losses, anisotropy/bianisotropy, or continuous/discrete rotational symmetry. AB - We study the symmetric properties of waveguide modes in presence of gain/losses, anisotropy/bianisotropy, or continuous/discrete rotational symmetry. We provide a comprehensive approach to identity the modal symmetry by constructing a 4 * 4 waveguide Hamiltonian and searching the symmetric operation in association with the corresponding waveguides. We classify the chiral/time reversal/parity/parity time/rotational symmetry for different waveguides, and provide the criterion for the aforementioned symmetry operations. Lastly, we provide examples to illustrate how the symmetry operations can be used to classify the modal properties from the symmetric relation between modal profiles of several different waveguides. PMID- 29221019 TI - Data analysis-based autonomic bandwidth adjustment in software defined multi vendor optical transport networks. AB - Network operators generally provide dedicated lightpaths for customers to meet the demand for high-quality transmission. Considering the variation of traffic load, customers usually rent peak bandwidth that exceeds the practical average traffic requirement. In this case, bandwidth provisioning is unmetered and customers have to pay according to peak bandwidth. Supposing that network operators could keep track of traffic load and allocate bandwidth dynamically, bandwidth can be provided as a metered service and customers would pay for the bandwidth that they actually use. To achieve cost-effective bandwidth provisioning, this paper proposes an autonomic bandwidth adjustment scheme based on data analysis of traffic load. The scheme is implemented in a software defined networking (SDN) controller and is demonstrated in the field trial of multi vendor optical transport networks. The field trial shows that the proposed scheme can track traffic load and realize autonomic bandwidth adjustment. In addition, a simulation experiment is conducted to evaluate the performance of the proposed scheme. We also investigate the impact of different parameters on autonomic bandwidth adjustment. Simulation results show that the step size and adjustment period have significant influences on bandwidth savings and packet loss. A small value of step size and adjustment period can bring more benefits by tracking traffic variation with high accuracy. For network operators, the scheme can serve as technical support of realizing bandwidth as metered service in the future. PMID- 29221020 TI - Modified Alvarez lens for high-speed focusing. AB - We present a modified configuration of a tunable Alvarez lens with a refocusing frequency of 1 kHz or more. In contrast to the classic Alvarez lens, the approach does not utilize a translational motion of two sub-lenses with respect to each other, but uses a 4f-setup to image two diffractive sub-lenses onto each other. Hereby focus tuning is achieved by rotating a galvo-mirror which affects the overlap of the two sub-lenses which together form an effective lens of refractive power which depends on the rotation angle of the galvo-mirror. We have demonstrated tuning of the optical power in a system where the diffractive Alvarez lens is realized by an LCOS-SLM. We consider our Alvarez setup especially suitable for applications where high refocusing rates are important, as for example in 3D life cell monitoring or tracking. PMID- 29221021 TI - Solution for error propagation in a NOMA-based VLC network: symmetric superposition coding. AB - Non-orthogonal multiple access (NOMA) has recently attracted significant attention as a promising multiple access scheme for the 5th generation (5G) wireless communication due to its superior spectral efficiency, which has also been studied and shown to achieve a superior performance in visible light communication (VLC) networks. However, the error propagation (EP) problem due to successive interference cancellation (SIC) decoding has not yet been resolved, which degrades the system BER performance and causes user unfairness. In this work, symmetric superposition coding (SSC) and symmetric SIC (SSIC) decoding are proposed for a downlink NOMA-based VLC network, in which the distribution of the demodulation regions of the user allocated with more power will be symmetrical in terms of the decision threshold of the user allocated with less power. Furthermore, the proposed method is experimentally tested and the results show that more than 90% demodulation errors caused by EP are eliminated compared with traditional NOMA VLC. PMID- 29221022 TI - Spatiotemporal evolutions of ultrashort vortex pulses generated by spiral multi pinhole plate. AB - We use the spiral multi-pinhole plate to generate ultrashort vortex pulses and study their spatiotemporal evolutions involving intensity, phase, orbital angular momentum, and energy current. In the experiment, a Mach-Zehnder-type interferometer is employed to perform the investigation of ultrashort vortices. Combining the experimental results and the theoretical analyses, we discuss the spatiotemporal evolutions of ultrashort vortex pulses in femtosecond regime. The results show that the distribution of orbital angular momentum in the cross section of the vortex pulse is maintained almost invariable in the pulse duration, while both the intensity and the energy current obey a Gaussian-like distribution. With time evolution, the phase contour lines of such vortex pulses rotate around the propagation axis. PMID- 29221023 TI - Comparison of nematic liquid-crystal and DMD based spatial light modulation in complex photonics. AB - Digital micro-mirror devices (DMDs) have recently emerged as practical spatial light modulators (SLMs) for applications in photonics, primarily due to their modulation rates, which exceed by several orders of magnitude those of the already well-established nematic liquid crystal (LC)-based SLMs. This, however, comes at the expense of limited modulation depth and diffraction efficiency. Here we compare the beam-shaping fidelity of both technologies when applied to light control in complex environments, including an aberrated optical system, a highly scattering layer and a multimode optical fibre. We show that, despite their binary amplitude-only modulation, DMDs are capable of higher beam-shaping fidelity compared to LC-SLMs in all considered regimes. PMID- 29221024 TI - RF photonic downconversion of vector modulated signals based on a millimeter-wave coupled electrooptic nonlinear polymer phase-modulator. AB - We report the RF photonic reception and downconversion of vector modulated RF signals using a millimeter-wave coupled electrooptic phase modulator with in plane slotted patch antennas based on SEO125 nonlinear polymer. We demonstrate experimental results with QPSK, 8-PSK, 16-QAM, 32-QAM, and 64-QAM millimeter-wave signals centered at 36 GHz. After downconversion to intermediate frequencies between 0.5 GHz and 2 GHz, the vector encoded signals are demodulated using an electrical signal analyzer and found to have measured error vector magnitudes below 8%. Design, simulation, fabrication, and experimental results are presented and discussed. PMID- 29221025 TI - Sensitive refractive index sensor based on an assembly-free fiber multi-mode interferometer fabricated by femtosecond laser. AB - We propose and demonstrate a highly sensitive refractive index (RI) sensor based on a novel fiber-optic multi-mode interferometer (MMI), which is formed with a femtosecond-laser-induced in-core negative refractive index modified line in a standard single mode fiber. The proposed MMI structure is directly written with femtosecond laser in one step, which removes the splicing process needed in conventional MMI fabrication and also significantly improves the robustness. This device exhibits a high sensitivity to surrounding refractive index, with a maximum sensitivity up to 10675.9 nm/RIU at the RI range of 1.4484-1.4513. The distinct advantages of high sensitivity, compact, robust and assembly-free all fiber structure make it attractive for real physical, chemical and biological sensing. PMID- 29221026 TI - Efficient micro-cavity top emission OLED with optimized Mg:Ag ratio cathode. AB - Micro-cavity top-emitting organic light emitting diodes (TEOLEDs) are now receiving prominence as a technology for the active matrix display applications. The semi-transparent metal cathode plays the crucial role in realizing TEOLEDs structure. Here, we report the optimization results on Mg:Ag ratio as the semitransparent cathode deposited by vacuum thermal evaporation. The optimized Mg:Ag cathode with 1:10 ratio (wt %) shows a sheet resistance value as low as 5.2 Omega/?, an average transmittance of 49.7%, reflectance of 41.4%, and absorbance of 8.9% over the visible spectral region (400~700 nm). The fabricated red TEOLEDs device implemented using LiF (1nm)/Mg:Ag (1:10) cathode shows the voltage value of 4.17 V at a current density of 10.00 mA/cm2, and current efficiencies variation from 55.3 to 50.1 cd/A over the brightness range 2,000 - 12,000 cd/m2. The electroluminescence (EL) spectrum displays the light emission at 608 nm wavelength with a half width of 29.5 nm. The narrow half-width of red light emission is attributed to the micro-cavity effects due to the semitransparent cathode. PMID- 29221027 TI - Development of a unimorph deformable mirror with water cooling. AB - Deformable mirror (DM) used for intracavity compensation in high-power lasers should be able to withstand very high laser intensity. This paper proposes a water-cooled unimorph DM which can withstand the laser power up to 10 kW in thermal simulation. The proposed DM consists of an annular PZT layer and a circular Si layer which are glued together with edge clamped. All the 32 piezoelectric actuators are distributed around the correction area and on the front side of the DM. The cooling water flows through the back side of the DM and cools the mirror directly. This design realizes the physical separation of the actuators and the coolant. The experimental results of a fabricated DM prototype show that the DM can reproduce typical low-order aberrations accurately with relatively large amplitude. The wavefront PV amplitudes of the reproduced tip/tilt, astigmatism, defocus, trefoil and coma shapes for 15 mm aperture are about 40 MUm, 24 MUm, 18.7 MUm, 10 MUm and 6 MUm, respectively. PMID- 29221028 TI - Cascaded second-order optical nonlinearities in on-chip micro rings. AB - We demonstrate cascaded Stimulated Raman Scattering (SRS), Second-Harmonic Generation (SHG), and Sum-Frequency Generation (SFG) in integrated on-chip whispering-gallery resonators (WGRs). These lithium niobate-based WGRs are fabricated using highly-parallel semiconductor manufacturing techniques coupled with specialized polishing as a post-processing step and thus represent a novel means for batch fabrication of this family of non-linear devices. We achieved record high Q-factors for on-chip lithium niobate WGRs reaching up to 3 * 106. Furthermore, we present a flexible but stable coupling scheme, which gives us the opportunity to optimize the coupling regarding the non-linear optical processes we observe. PMID- 29221029 TI - Effect of crystalline family and orientation on stimulated Brillouin scattering in whispering-gallery mode resonators. AB - Ultra-high Q whispering-gallery mode resonators pumped by a continuous-wave laser are known to enhance stimulated Brillouin scattering when optimal resonance and phase-matching conditions are met. In crystalline resonators, this process depends critically on the crystal orientation and family, which impose the elastic constants defining the velocity of the acoustic waves. In this article, we investigate the effect of crystalline orientation and family on this velocity which is proportional to the Brillouin frequency down-shift. In particular, the study is based on the development of a model and numerical simulations of acoustic wave velocities that propagate along the periphery of four fluoride crystals, namely calcium, magnesium, lithium and barium fluoride. We find that depending on the crystal and its orientation, the frequency excursion around the Brillouin offset can vary from few tens of kHz to more than a GHz. PMID- 29221030 TI - Optical camera with liquid crystal autofocus lens. AB - A mobile phone camera with an innovative electrically tunable liquid crystal lens (TLCL) concept is demonstrated. We first report the comparative theoretical and experimental analyses of the performance of a traditional "modal control" TLCL versus a TLCL using a floating (unpowered) transparent electrode (FTE). It is shown that the appropriate choice of voltage and frequency values of the driving electric signal may improve significantly (almost twice) the optical quality of the lens using the FTE. Exceptionally low spherical aberrations of the lens (< lambda/10 for up to 10 diopters of optical power) and high modulation transfer functions of a mobile phone camera (using those lenses for autofocus function) are demonstrated in a very simple operation mode (frequency tuning of the lens' optical power at a fixed driving voltage). The capacity of the camera to perform high quality long distance photography and near distance bar code recognition within a short autofocus convergence time are demonstrated. PMID- 29221031 TI - Robust interferometer with external phase-shift control. AB - We describe a robust interferometer with external phase-shift control that does not require moving parts. The optical architecture resembles a common-path device in which the interfering waves propagate together in one collimated beam passing through the test sample. The collimated beam is incident on a calcite plate, which produces a polarization selective lateral translation and superposition of the reference and test waves. The characteristic features of the proposed interferometer, i.e. one-beam single-element scheme combined with external phase shift control without moving parts, make a highly vibration insensitive device. Validation experiments are presented. PMID- 29221032 TI - Self-calibration phase-shifting algorithm with interferograms containing very few fringes based on Fourier domain estimation. AB - Based on Fourier domain estimation, a novel self-calibration phase-shifting algorithm, named Mid-Band Spatial Spectrum Matching (MSSM), is proposed to achieve phase retrieval from a small amount of phase-shifting interferograms containing very few fringes (defined as ultra-sparse fringe pattern(USFP)), which is still a difficult problem for optical interferometry. Both simulation and experimental results demonstrate that the proposed MSSM algorithm can accurately and rapidly achieve the phase distribution encoded in USFP while other current self-calibration algorithms fail, and this will supply a powerful tool to extend the application of phase-shifting interferometry. PMID- 29221033 TI - Flexible manipulation of terahertz wave reflection using polarization insensitive coding metasurfaces. AB - In order to extend to 3-bit encoding, we propose notched-wheel structures as polarization insensitive coding metasurfaces to control terahertz wave reflection and suppress backward scattering. By using a coding sequence of "00110011..." along x-axis direction and 16 * 16 random coding sequence, we investigate the polarization insensitive properties of the coding metasurfaces. By designing the coding sequences of the basic coding elements, the terahertz wave reflection can be flexibly manipulated. Additionally, radar cross section (RCS) reduction in the backward direction is less than -10dB in a wide band. The present approach can offer application for novel terahertz manipulation devices. PMID- 29221034 TI - InP-based photonic integrated circuit platform on SiC wafer. AB - We have numerically investigated the properties of an InP-on-SiC wafer as a photonic integrated circuit (PIC) platform. By bonding a thin InP-based semiconductor on a SiC wafer, SiC can be used as waveguide cladding, a heat sink, and a support substrate simultaneously. Since the refractive index of SiC is sufficiently low, PICs can be fabricated using InP-based strip and rib waveguides with a minimum bend radius of approximately 7 MUm. High-thermal-conductivity SiC underneath an InP-based waveguide core markedly improves heat dissipation, resulting in superior thermal properties of active devices such as laser diodes. The InP-on-SiC wafer has significantly smaller thermal stress than InP-on-SiO2/Si wafer, which prevents the thermal degradation of InP-based devices during high temperature processes. Thus, InP on SiC provides an ideal platform for high performance PICs. PMID- 29221035 TI - Integrated radiation and scattering performance of a multifunctional artificial electromagnetic surface. AB - In this paper, a multifunctional artificial electromagnetic surface (AEMS) with integrated radiation and scattering performance is proposed and realized. Different from previous AEMS designs that mainly focus on scattering performance, this AEMS design takes both radiation and scattering properties into consideration in the designing process. Inspired by the design concept of antenna, a feeding structure is added to each AEMS element to achieve radiation performance. Meanwhile, the concerned characteristics of AEMS elements are almost maintained. For achieving wideband low-scattering performance, two different kinds of AEMS elements are designed and arranged in a chessboard configuration. Simulated and measured results prove that our method offers an effective strategy to design multifunctional AEMS that achieve radiation and scattering performance simultaneously. PMID- 29221036 TI - Direct inscription of Bragg gratings into coated fluoride fibers for widely tunable and robust mid-infrared lasers. AB - We report the development of a widely tunable all-fiber mid-infrared laser system based on a mechanically robust fiber Bragg grating (FBG) which was inscribed through the polymer coating of a Ho3+-Pr3+ co-doped double clad ZBLAN fluoride fiber by focusing femtosecond laser pulses into the core of the fiber without the use of a phase mask. By applying mechanical tension and compression to the FBG while pumping the fiber with an 1150 nm laser diode, a continuous wave (CW) all fiber laser with a tuning range of 37 nm, centered at 2870 nm, was demonstrated with up to 0.29 W output power. These results pave the way for the realization of compact and robust mid-infrared fiber laser systems for real-world applications in spectroscopy and medicine. PMID- 29221037 TI - Large-area highly crystalline WSe2 atomic layers for ultrafast pulsed lasers. AB - Large-area and highly crystalline transition metal dichalcogenides (TMDs) films possess superior saturable absorption compared to the TMDs nanosheet counterparts, which make them more suitable as excellent saturable absorbers (SA) for ultrafast laser technology. Thus far, the nonlinear optical properties of large-scale WSe2 and its applications in ultrafast photonics have not yet been fully investigated. In this work, the saturable absorption of chemical vapor deposition (CVD) grown WSe2 films with large-scale and high quality are studied and the use of WSe2 films as a broadband SA for passively mode-locked fiber lasers at both 1.5 and 2 MUm ranges is demonstrated. To enhance the light material interaction, large-area WSe2 film is tightly transferred onto the side wall of a microfiber to form a hybrid structure, which realizes strong evanescent wave interaction between light and WSe2 film. The integrated microfiber-WSe2 device shows a large modulation depth of 54.5%. Using the large-area WSe2 as a mode-locker, stable soliton mode-locked pulse generation is achieved and the pulse durations of 477 fs (at 1.5 MUm) and 1.18 ps (at 2.0 MUm) are demonstrated, which suggests that the large-area and highly crystalline WSe2 films afford an excellent broadband SA for ultrafast photonic applications. PMID- 29221038 TI - Theoretical analysis of electro-refractive index variation in asymmetric Ge/SiGe coupled quantum wells. AB - We propose and analyze theoretically an asymmetric Ge/SiGe coupled quantum well (CQW) for silicon based optical phase modulator. An 8-band k?p model is used to calculate the eigenstates and absorption spectra of the CQWs. The simulation results exhibit unique physical characteristics owing to the coupling between the two wave functions through the thin barriers. We can achieve an electro refractive index variation as high as 9 * 10-3 at the wavelength of about 1461 nm under the electric field of 30 kV/cm. The product VpiLpi of half-wave voltage and length of phase shift region is estimated to be 0.01 V cm. The proposed asymmetric Ge/SiGe CQW scheme provides a promising candidate for high speed, low voltage, low power consumption and compact optical phase modulators in silicon based integrated optoelectronic devices. PMID- 29221039 TI - Controlling the interaction between plasmon-induced transparency and guided mode resonance. AB - A hybrid metamaterial-waveguide (HMW) system, consisting of a plasmon-induced transparency (PIT) metamaterial layer deposited on top of a slab waveguide, is investigated at mid-infrared wavelengths. The proposed hybrid system supports three quasi-guided modes. Two of them are excited through the conventional pathway, i.e. directly excited from the free-space waves via the diffractive coupling, while the theoretical analysis and numerical simulation both demonstrate that the third one undergoes a completely different excitation pathway, i.e. induced by the dark plasmon mode via near field coupling. The interactions between the three quasi-guided modes and the PIT effect further lead to the interesting multi-spectral transmission characteristics that cannot be realized in traditional HMW systems. This is the first report, to our best knowledge, describing this unconventional excitation mechanism of the quasi guided mode as well as the interaction between the quasi-guided waveguide mode and PIT effect. PMID- 29221040 TI - Polymethyl methacrylate (PMMA) recycling for the production of optical fiber sensor systems. AB - This paper proposes the recycling of poly (methyl methacrylate) plates, formerly used in LCD monitors to produce polymer optical fibers without cladding for sensor systems and a discussion about the fabrication process of the fiber cladding is briefly presented. After disassembling LCD monitors the acrylic plate is cleaned and submitted to an extrusion process. Extrusion temperatures of 220 degrees C, 230 degrees C and 240 degrees C were applied, and the produced polymer fibers were characterized by infrared and visible spectrometry, as well as evaluated for thermal analysis through differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA). Furthermore, a refractive index sensor was developed with the recycled fibers. Results show that the recycled fiber refractive index sensor is linear (R2 = 0.99) and presents a sensitivity of more than 4 times higher when compared to a sensor using a commercial POF. PMID- 29221041 TI - Design and fabrication of DOEs on multi- freeform surfaces via complex amplitude modulation. AB - A non-iterative design and precise fabrication method of diffractive optical elements (DOEs) on multiple freeform surfaces is proposed and investigated in this paper. Complex amplitude modulation (CAM) technology is applied to design complicated DOEs. The wave-front for desired DOEs fabrication is interfered with a plane wave and then be encoded to a pure phase hologram. Simulations for different DOEs (binary and gray scales) on freeform surfaces are performed and the relative errors are 0.56% and 0.78%, respectively. Since the reconstructed optical fields generated by spatial light modulator (SLM) can be recorded into light-sensitive materials (photopolymer), the DOEs fabrication is realized by optical exposure. The results show that the proposed method can design and fabricate DOEs on multi-freeform surfaces at one time with high quality. Since the CAM method ensures precise reconstruction without iterations, the fabrication is accurate as well as the design is fast. It is expected that the proposed method could be applied in the precise 3D optical fabrication and processing in the future. PMID- 29221042 TI - Image processing pipeline for segmentation and material classification based on multispectral high dynamic range polarimetric images. AB - We propose a method for the capture of high dynamic range (HDR), multispectral (MS), polarimetric (Pol) images of indoor scenes using a liquid crystal tunable filter (LCTF). We have included the adaptive exposure estimation (AEE) method to fully automatize the capturing process. We also propose a pre-processing method which can be applied for the registration of HDR images after they are already built as the result of combining different low dynamic range (LDR) images. This method is applied to ensure a correct alignment of the different polarization HDR images for each spectral band. We have focused our efforts in two main applications: object segmentation and classification into metal and dielectric classes. We have simplified the segmentation using mean shift combined with cluster averaging and region merging techniques. We compare the performance of our segmentation with that of Ncut and Watershed methods. For the classification task, we propose to use information not only in the highlight regions but also in their surrounding area, extracted from the degree of linear polarization (DoLP) maps. We present experimental results which proof that the proposed image processing pipeline outperforms previous techniques developed specifically for MSHDRPol image cubes. PMID- 29221043 TI - Silicon photonic integrated circuit for fast and precise dual-comb distance metrology. AB - We demonstrate an optical distance sensor integrated on a silicon photonic chip with a footprint of well below 1 mm2. The integrated system comprises a heterodyne receiver structure with tunable power splitting ratio and on-chip photodetectors. The functionality of the device is demonstrated in a synthetic wavelength interferometry experiment using frequency combs as optical sources. We obtain accurate and fast distance measurements with an unambiguity range of 3.75 mm, a root-mean-square error of 3.4 um and acquisition times of 14 us. PMID- 29221044 TI - Side-lobe level reduction in bio-inspired optical phased-array antennas. AB - Phased arrays are expected to play a critical role in visible and infrared wireless systems. Their improved performance compared to single element antennas finds uses in communications, imaging, and sensing. However, fabrication of photonic antennas and their feeding network require long element separation, leading to the appearance of secondary radiation lobes and, consequently, crosstalk and interference. In this work, we experimentally show that by arranging the elements according to the Fermat's spiral, the side lobe level (SLL) can be reduced. This reduction is proved in a CMOS-compatible 8-element array, revealing a SLL decrement of 0.9 dB. Arrays with larger numbers of elements and inter-element spacing are demonstrated through an spatial light modulator (SLM) and an SLL drop of 6.9 dB is measured for a 64-element array. The reduced SLL, consequently, makes the proposed approach a promising candidate for applications in which antenna gain, power loss, or information security are key requirements. PMID- 29221045 TI - Spectral shaping of lasing in vertically aligned coupled nanowire lasers. AB - We use numerical simulations to study the effects of nanowire geometry on the emission spectra of nanowire-based lasers. The studied nanowire lasers are made from gallium-nitride and the simulations are performed using finite difference time domain method. We show that changes in the diameter of the nanowire lasers also change the effective refractive index of their optical guided modes, which allows control over their Fabry-Perot spectrum. In addition, we show that evanescent coupling of two vertically standing nanowire lasers, having different cross section sizes, leads to a Vernier effect, which results in single mode emission from the small footprint coupled lasers system. PMID- 29221046 TI - Design and fabrication of hybrid SPP waveguides for ultrahigh-bandwidth low penalty terabit-scale data transmission. AB - Here we design and fabricate a hybrid surface plasmon polarities (SPP) waveguide on the silicon-on-insulator (SOI) photonics platform. The designed hybrid SPP waveguide is composed of a metal ridge, an air gap, and a silicon ridge. We simulate the mode characteristics in the structure and design the waveguide with a wide air gap that can simplify the fabrication process and maintain the advantages of the hybrid SPP mode. The performance of ultrahigh-bandwidth data transmission through the proposed waveguide is then investigated using 161 wavelength-division multiplexing (WDM) channels, each carrying a 11.2-Gbit/s orthogonal frequency-division multiplexing (OFDM) 16-ary quadrature amplitude modulation (16-QAM) signal. The bit-error rates (BERs) of all 161 channels are less than 1e-3. The favorable results show the prospect of on-chip optical interconnection using the proposed hybrid SPP waveguide. PMID- 29221047 TI - Shortcuts to adiabaticity in non-Hermitian quantum systems without rotating-wave approximation. AB - The technique of shortcuts to adiabaticity (STA) has attracted broad attention due to their possible applications in quantum information processing and quantum control. However, most studies published so far have been only focused on Hermitian systems under the rotating-wave approximation (RWA). In this paper, we propose a modified shortcuts to adiabaticity technique to realize population transfer for a non-Hermitian system without RWA. We work out an exact expression for the control function and present examples consisting of two-and three-level systems with decay to show the theory. The results suggest that the shortcuts to adiabaticity technique presented here is robust for fast passages. We also find that the decay has small effect on the population transfer in the three-level system. To shed more light on the physics behind this result, we reduce the quantum three-level system to an effective two-level one with large detunings. The shortcuts to adiabaticity technique of effective two-level system is studied. Thereby the high-fidelity population transfer can be implemented in non-Hermitian systems by our method, and it works even without RWA. PMID- 29221048 TI - Quantum memory and non-demolition measurement of single phonon state with nitrogen-vacancy centers ensemble. AB - In a diamond, the mechanical vibration-induced strain can lead to interaction between the mechanical mode and the nitrogen-vacancy (NV) centers. In this work, we propose to utilize the strain-induced coupling for the quantum non-demolition (QND) single phonon measurement and memory in a diamond. The single phonon in a diamond mechanical resonator can be perfectly absorbed and emitted by the NV centers ensemble (NVE) with adiabatically tuning the microwave driving. An optical laser drives the NVE to the excited states, which have much larger coupling strength to the mechanical mode. By adiabatically eliminating the excited states under large detuning limit, the effective coupling between the mechanical mode and the NVE can be used for QND measurement of the single phonon state. Under realistic experimental conditions, we numerically simulate the scheme. It is found that the fidelity of the absorbing and emitting process can reach a much high value. The overlap between the input and the output phonon shapes can reach 98.57%. PMID- 29221049 TI - Resonant absorption of electromagnetic waves in transition anisotropic media. AB - We study the mode conversion and resonant absorption phenomena occurring in a slab of a stratified anisotropic medium, optical axes of which are tilted with respect to the direction of inhomogeneity, using the invariant imbedding theory of wave propagation. When the tilt angle is zero, mode conversion occurs if the longitudinal component of the permittivity tensor, which is the one in the direction of inhomogeneity in the non-tilted case, varies from positive to negative values within the medium, while the transverse component plays no role. When the tilt angle is nonzero, the wave transmission and absorption show an asymmetry under the sign change of the incident angle in a range of the tilt angle, while the reflection is always symmetric. We calculate the reflectance, the transmittance and the absorptance for several configurations of the permittivity tensor and find that resonant absorption is greatly enhanced when the medium from the incident surface to the resonance region is hyperbolic than when it is elliptic. For certain configurations, the transmittance and absorptance curves display sharp peaks at some incident angles determined by the tilt angle. PMID- 29221050 TI - Double-pattern triangular pulse width modulation technique for high-accuracy high speed 3D shape measurement. AB - Using 1-bit binary patterns for three-dimensional (3D) shape measurement has been demonstrated as being advantageous over using 8-bit sinusoidal patterns in terms of achievable speeds. However, the phase quality generated by binary pattern(s) typically are not high if only a small number of phase-shifted patterns are used. This paper proposes a method to improve the phase quality by representing each pattern with the difference of two binary patterns: the first binary pattern is generated by triangular pulse width modulation (TPWM) technique, and the second being pi shifted from the first pattern that is also generated by TPWM technique. The phase is retrieved by applying a three-step phase-shifting algorithm to the difference patterns. Through optimizing the modulation frequency of the triangular carrier signal, we demonstrate that a high-quality phase can be generated for a wide range of fringe periods (e.g., from 18 to 1140 pixels) with only six binary patterns. Since only 1-bit binary patterns are required for 3D shape measurement, this paper will present a real-time 3D shape measurement system that can achieve 30 Hz. PMID- 29221051 TI - Dual displacement resolution encoder by integrating single holographic grating sensor and heterodyne interferometry. AB - A novel encoder with dual displacement resolution is developed by integrating a multiple-grating-scale holographic displacement sensor and a heterodyne interferometer. With suitable arrangement of the measurement system, two effective grating pitches (0.41 MUm and 10.62 MUm) can be obtained and the theoretical sensitivities of them are 0.9 degrees /nm and 0.036 degrees /nm. Meanwhile, the best resolution of the proposed method can be estimated of 0.3 pm and 7.4 pm, respectively. Furthermore, displacement errors of the proposed method can be better than 0.2% for 1 mm displacement measurement. The experimental results showed that the proposed encoder provided high sensitivity, high resolution, and well against environmental disturbance. PMID- 29221052 TI - Real-time gas sensing based on optical feedback in a terahertz quantum-cascade laser. AB - We report on real-time gas sensing with a terahertz quantum-cascade laser (QCL). The method is solely based on the modulation of the external cavity length, exploiting the intermediate optical feedback regime. While the QCL is operated in continuous-wave mode, optical feedback results in a change of the QCL frequency as well as its terminal voltage. The first effect is exploited to tune the lasing frequency across a molecular absorption line. The second effect is used for the detection of the self-mixing signal. This allows for fast measurement times on the order of 10 ms per spectrum and for real-time measurements of gas concentrations with a rate of 100 Hz. This technique is demonstrated with a mixture of D2O and CH3OD in an absorption cell. PMID- 29221053 TI - Ultra-high-speed PLIF imaging for simultaneous visualization of multiple species in turbulent flames. AB - In order to obtain more detailed characteristics and information in highly turbulent flames, for a better understanding of the transient behavior of eddies in such flames, a measurement technique with sufficient temporal resolution is requested. However, the probing of species distributions relevant in combustion (e.g. OH, CH2O) with ultra-high-speed laser diagnostics still remains a challenge. Nd:YAG clusters commercially available can generate only 4-8 pulses, although with high laser energy. Systems based on a diode-pumped solid-state Nd:YAG laser combined with a dye laser produce only about 100 MUJ pulse energy at ultra-high repetition rates (>=50 kHz). Even more comprehensive information on the flame structure can be gained if simultaneous recording of multi-species is performed. In the present work, the development of the first ultra-high-speed diagnostic technique capable of simultaneous probing of hydroxyl radicals and formaldehyde distributions at a repetition rate of 50 kHz is outlined. This has been achieved by employing a burst laser pumped optical parametric oscillator system for the simultaneous detection of CH2O excited at 355 nm and OH-radicals excited at 283 nm, where the interference of scattering laser light can be avoided. The applicability of the proposed technique was demonstrated in a highly turbulent jet flame. Moreover, the presented improvement in terms of the number of consecutive images recorded with ultra-high-speed planar laser induced fluorescence imaging is significant. Due to the high temporal resolution, the movement of CH2O pocket enclosed by OH at the flame tip can be clearly captured. The transport velocity of the CH2O pocket was calculated and found to be in good agreement with previous LDV results. PMID- 29221054 TI - Is the Rayleigh-Sommerfeld diffraction always an exact reference for high speed diffraction algorithms? AB - In several areas of optics and photonics the behavior of the electromagnetic waves has to be calculated with the scalar theory of diffraction by computational methods. Many of these high-speed diffraction algorithms based on a fast-Fourier transformation are approximations of the Rayleigh-Sommerfeld-diffraction (RSD) theory. In this article a novel sampling condition for the well-sampling of the Riemann integral of the RSD is demonstrated, the fundamental restrictions due to this condition are discussed, it will be demonstrated that the restrictions are completely removed by a sampling below the Abbe resolution limit and a very general unified approach for applying the RSD outside its sampling domain is given. PMID- 29221055 TI - Metasurface Salisbury screen: achieving ultra-wideband microwave absorption. AB - The metasurfaces have recently been demonstrated to provide full control of the phase responses of electromagnetic (EM) wave scattering over subwavelength scales, enabling a wide range of practical applications. Here, we propose a comprehensive scheme for the efficient and flexible design of metasurface Salisbury screen (MSS) capable of absorbing the impinging EM wave in an ultra wide frequency band. We show that properly designed reflective metasurface can be used to substitute the metallic ground of conventional Salisbury screen for generating diverse resonances in a desirable way, thus providing large controllability over the absorption bandwidth. Based on this concept, we establish an equivalent circuit model to qualitatively analysis the resonances in MSS and design algorithms to optimize the overall performance of the MSS. Experiments have been carried out to demonstrate that the absorption bandwidth from 6 GHz to 30 GHz with an efficiency higher than 85% can be achieved by the proposal, which is apparently much larger than that of conventional Salisbury screen (7 GHz - 17 GHz). The proposed concept of MSS could offer opportunities for flexibly designing thin electromagnetic absorbers with simultaneously ultra wide bandwidth, polarization insensitivity, and wide incident angle, exhibiting promising potentials for many applications such as in EM compatibility, stealth technique, etc. PMID- 29221056 TI - Multiwavelength generation from multi-nonlinear optical process in a 2D PPLT. AB - We have demonstrated multi-wavelength generation in a nonlinear photonic crystals of lithium tantalate. The optical parametric generation leads to second harmonic generation, sum-frequency generation and other frequency conversion in a cascade process. These conversions are assisted by all the optical nonlinear process involving chi(2) and achieved by satisfying the quasi-phase matching conditions. PMID- 29221057 TI - Statistical model for speckle pattern optimization. AB - Image registration is the key technique of optical metrologies such as digital image correlation (DIC), particle image velocimetry (PIV), and speckle metrology. Its performance depends critically on the quality of image pattern, and thus pattern optimization attracts extensive attention. In this article, a statistical model is built to optimize speckle patterns that are composed of randomly positioned speckles. It is found that the process of speckle pattern generation is essentially a filtered Poisson process. The dependence of measurement errors (including systematic errors, random errors, and overall errors) upon speckle pattern generation parameters is characterized analytically. By minimizing the errors, formulas of the optimal speckle radius are presented. Although the primary motivation is from the field of DIC, we believed that scholars in other optical measurement communities, such as PIV and speckle metrology, will benefit from these discussions. PMID- 29221058 TI - Determination of dissipative Dyakonov surface waves using a finite element method based eigenvalue algorithm. AB - A full-vectorial finite element method is developed to analyze the surface waves propagating at the interface between two media which could be dissipative particularly. The dissipative wave possessing a complex-valued propagation constant can be determined precisely for any given propagation direction and thus the property of losses could be thoroughly analyzed. Besides, by applying a special characteristic of the implicit circular block matrix, we reduce the computational consumptions in the analysis. By utilizing this method, the Dyakonov surface wave (DSW) at the interface between a dielectric and a metal dielectric multilayered (MDM) structure which serves as a hyperbolic medium is discussed. Its propagation loss is smaller for larger period of the MDM structure but its field becomes less confined to the interface. PMID- 29221059 TI - Metallic Fresnel zone plate implemented on an optical fiber facet for super variable focusing of light. AB - We propose and investigate a metallic Fresnel zone plate (FZP/MFZP) implemented on a silver-coated optical fiber facet for super-variable focusing of light, the focal point of which can be drastically relocated by varying the wavelength of the incident light. We numerically show that when its nominal focal length is set to 20 MUm at 550 nm, its effective focal length can be tuned by ~13.7 MUm for 300 nm change in the visible wavelength range. This tuning sensitivity is over 20 times higher than that of a conventional silica-based spherical lens. Even with such high tuning sensitivity with respect to the incident wavelength change, the effective beam radius at the focal point is preserved nearly unchanged, irrespective of the incident wavelength. Then, we fabricate the proposed device, exploiting electron- and focused-ion-beam processes, and experimentally verify its super-variable focusing functionality at typical red, green, and blue wavelengths in the visible wavelength range, which is in good agreement with the numerical prediction. Moreover, we propose a novel MFZP structure that primarily exploits the surface-plasmon-polariton-mediated, extra-ordinary transmission effect. For this we make all the openings of an MFZP, which are determined by the fundamental FZP design formula, be partitioned by multi-rings of all-sub wavelength annular slits, so that the transmission of azimuthally polarized light is inherently prohibited, thereby leading to super-variable and selective focusing of radially polarized light. We design and fabricate a proof-of principle structure implemented on a gold-coated fused-silica substrate, and verify its novel characteristics both numerically and experimentally, which are mutually in good agreement. We stress that both the MFZP structures proposed here will be very useful for micro-machining, optical trapping, and biomedical sensing, in particular, which invariably seek compact, high-precision, and flexible focusing schemes. PMID- 29221060 TI - Active metasurface modulator with electro-optic polymer using bimodal plasmonic resonance. AB - Electrically tunable metasurfaces have gained special interest as they can realize ultrathin surface-normal modulators in planar geometries. In this paper, we demonstrate a novel metasurface modulator based on electro-optic (EO) polymer that utilizes bimodal resonance inside a metallic subwavelength grating to increase the modulation efficiency. When two metal-insulator-metal (MIM) resonant modes are excited simultaneously inside the grating, they couple strongly to generate a sharp dip in the reflected spectrum. As a result, efficient intensity modulation with 15-dB extinction ratio can be obtained at the resonant wavelength under a small refractive index change of 8.5 * 10-3, corresponding to modulation voltage of less than 10 V. Due to the low parasitic capacitance of EO polymer and high conductivity of metallic gratings which is also used as the electrodes, the RC bandwidth of the device should easily exceed 100 GHz, potentially applicable to high-speed surface-normal modulators. PMID- 29221061 TI - Design of binary phase filters for depth-of-focus extension via binarization of axisymmetric aberrations. AB - We present a novel design approach for a binary phase mask with depth-of-focus (DoF) extension ability. Our method considers that the binarized version of an axisymmetric continuous phase pupil generates twin-intensity profiles that are symmetric with respect to the focal plane, each of which resembles the focal behavior of its continuous original. The DoF extension is realized by repositioning and coherently summing the twin foci to achieve an elongated focus along the axial direction. The shift of the two foci towards the focal plane can be handled by superimposing the defocus term in the continuous pupil function. We demonstrate our proposed design approach for two representative axisymmetric aberration functions, i.e., defocused phase axicon and spherical aberration. The manipulation of topological parameters in the phase axicon and spherical aberration, along with the defocus strength, enables the multiple binary phase filter designs of DoF extension of 3.2-7.1 fold with a phase axicon and 2.8-14.8 fold with a spherical aberration, compared to the case with a clear aperture. PMID- 29221062 TI - Demonstration of a highly subluminal laser with suppression of cavity length sensitivity by nearly three orders of magnitude. AB - We have demonstrated a laser in which the frequency shift due to small cavity fluctuations is far less than what would be expected from a conventional laser. The factor of sensitivity suppression is inferred to be equal to the effective group index experienced by the laser, implying that this laser is subluminal. We have observed a suppression factor as high as 663. Such a laser is highly self stabilized compared to a conventional laser, and is expected to have a far smaller Schawlow-Townes linewidth. As a result, this laser may have potentially significant applications in the fields of high-precision optical metrology and passive frequency stabilization. PMID- 29221063 TI - 200 Gb/s transmission using a dual-polarization O-Band silicon photonic intensity modulator for Stokes vector direct detection applications. AB - We present a dual-polarization O-band silicon photonic (SiP) transmitter for intra-datacenter optical interconnects. The transmitter is built using two identical O-band traveling wave Mach-Zehnder modulators with an average VpiL and a bandwidth at 1.5 V bias voltage of 2.88 V.cm and 24.5 GHz, respectively. We experimentally demonstrate the transmitter in a Stokes vector direct-detection (SV-DD) system for dual-polarization intensity modulated signals with 2-level and 4-level pulse amplitude modulation (DP-PAM2 and DP-PAM4) formats. The direct detection Stokes vector receiver (DD-SVR) followed by offline digital signal processing (DSP) is implemented for SOP de-rotation. We characterize the performance of the SV-DD system versus number of taps, received signal power, state of polarization (SOP), reach, and bit rate. Results reveal that 112 Gb/s DP PAM2 can be transmitted over 10 km of single mode fiber (SMF) at a bit error rate (BER) below 10-5 at -1 dBm received signal power irrespective of the SOP. Moreover, a 168 Gb/s (42 Gbaud) DP-PAM4 signal can be transmitted over 2 km and 10 km at a BER below the 7% hard-decision forward error correction (HD-FEC) threshold (i.e., 3.8 * 10-3) at 0 dBm and 2 dBm, respectively. Furthermore, 224 Gb/s and 200 Gb/s DP-PAM4 are successfully received at a BER below the HD-FEC in the back-to-back and 2 km cases, respectively. Finally, we compare the performance of the 6 * 2 multiple-input multiple-output (MIMO) equalization to a simpler 4 * 2 MIMO equalization and explain the superior performance of the 6 * 2 in the presence of SVR imperfections. PMID- 29221064 TI - Nanoimprinted perovskite metasurface for enhanced photoluminescence. AB - Recently, solution-processed hybrid halide perovskite has emerged as promising materials for advanced optoelectronic devices such as photovoltaics, photodetectors, light emitting diodes and lasers. In the mean time, all dielectric metasurfaces with high-index materials have attracted attention due to their low-loss and high-efficient optical resonances. Because of its tunable by composition band gap in the visible frequencies, organolead halide perovskite could serve as a powerful platform for realizing high-index, low-loss metasurfaces. However, direct patterning of perovskite by lithography-based technique is not feasible due to material instability under moisture. Here we report novel organolead halide perovskite metasurfaces created by the cost effective thermal nanoimprint technology. The nanoimprinted perovskite metasurface showed improved surface morphology and enhanced optical absorption properties. Significantly enhanced optical emission with an eight-fold enhancement in photoluminescence (PL) intensity was observed under room temperature. Temperature-dependent PL of perovskite nanograting metasurface was also investigated. Based on our results, we believe that thermal nanoimprint is a simple and cost-effective technique to fabricate perovskite-based metasurfaces, which could have broad impact on optoelectronic and photonic applications. PMID- 29221065 TI - Spatial algebraic solitons at the Dirac point in optically induced nonlinear photonic lattices. AB - The discovery of a new type of soliton occurring in periodic systems is reported. This type of nonlinear excitation exists at a Dirac point of a photonic band structure, and features an oscillating tail that damps algebraically. Solitons in periodic systems are localized states traditionally supported by photonic bandgaps. Here, it is found that besides photonic bandgaps, a Dirac point in the band structure of triangular optical lattices can also sustain solitons. Apart from their theoretical impact within the soliton theory, they have many potential uses because such solitons are possible in both Kerr material and photorefractive crystals that possess self-focusing and self-defocusing nonlinearities. The findings enrich the soliton family and provide information for studies of nonlinear waves in many branches of physics. PMID- 29221066 TI - Sub-50 ps pulses at 620 nm obtained from frequency doubled 1240 nm diamond Raman laser. AB - We report a monolithic 1240 nm diamond Raman laser producing pulses with duration of 42-62 ps at 100 kHz repetition rate, and maximum average power of 246 mW. The Raman laser is formed by a 0.5-mm thick planar diamond, coated on both sides and pumped by ~100 ps pulses from a Q-switched 1064 nm laser. The maximum conversion efficiency from 1064 nm to 1240 nm was about 25%. The 1240 nm signal was frequency-doubled in single-pass configuration through a 10-mm long LBO crystal, enabling generation of pulses with a duration of 29-46 ps at 620 nm. The maximum average power at 620 nm was 128 mW, and the maximum conversion efficiency from 1240 nm to 620 nm was 50%. The Raman laser provides an efficient and flexible way to extend short pulse operation to wavelengths in spectral domains difficult to reach, such as 620 nm and in addition provides a simple pulse shortening mechanisms. PMID- 29221067 TI - Robust 6-DOF motion sensing for an arbitrary rigid body by multi-view laser Doppler measurements. AB - We propose a novel method for the robust, non-contact, and six degrees of freedom (6-DOF) motion sensing of an arbitrary rigid body using multi-view laser Doppler measurements. The proposed method reconstructs the 6-DOF motion from fragmentary velocities on the surface of the target. It is unique compared to conventional contact-less motion sensing methods since it is robust against lack-of-feature objects and environments. By discussing the formulation of motion reconstruction by fragmentary velocities, we show that at least three viewpoints are essential for 6-DOF motion reconstruction. Further, we claim that the condition number of the measurement matrix can be a measure of system accuracy, and numerical simulation is performed to find an appropriate system configuration. The proposed method was implemented using a laser Doppler velocimeter, a galvanometer scanner, and some mirrors. We introduce the methods for calibration, coordinate system selection, and the calculation pipeline, all of which contribute to the accuracy of the proposed system. For evaluation, the proposed system is compared with an off-line chessboard-tracking scheme of a 500 fps camera. Experiments of measuring six different motion patterns are demonstrated to show the robustness of the proposed method against different kinds of motion. We also conduct evaluations with different distances and velocities. The mean value error is less than 1.3 deg/s in rotation and 3.2 mm/s in translation, and is robust against changes in distance and velocity. For speed evaluation, the throughput of the proposed method is approximately 250 Hz and the latency is approximately 20 ms. PMID- 29221068 TI - Breakdown flash at telecom wavelengths in InGaAs avalanche photodiodes. AB - Quantum key distribution (QKD) at telecom wavelengths (1260 - 1625 nm) has the potential for fast deployment due to existing optical fibre infrastructure and mature telecom technologies. At these wavelengths, Indium Gallium Arsenide (InGaAs) avalanche photodiode (APD) based detectors are the preferred choice for photon detection. Similar to their Silicon counterparts used at shorter wavelengths, they exhibit fluorescence from recombination of electron-hole pairs generated in the avalanche breakdown process. This fluorescence may open side channels for attacks on QKD systems. Here, we characterize the breakdown fluorescence from two commercial InGaAs single photon counting modules, and find a spectral distribution between 1000 nm and 1600 nm. We also show that by spectral filtering, this side channel can be efficiently suppressed. PMID- 29221069 TI - Transmission line metamaterials based on strongly coupled split ring/complementary split ring resonators. AB - We experimentally studied the coupling between a double split ring resonator and a complementary split ring resonator. The greatest coupling occurs when the two resonators are separated by the average ring radius, and the dimensionless coupling is as large as 0.1, allowing a novel planar metamaterial based on this hybrid structure. The coupling strength can be varied up to a factor of 2 by changing the relative orientation of the split ring resonators. A 2*2 waveguide structure with -10 dB coupling factor can be achieved, and showing multi-mode plasmon-induced transparency. It can be considered one-dimensional metamaterials exhibiting negative permeability and permittivity simultaneously. PMID- 29221070 TI - Suppression of thermal wavelength drift in widely tunable DS-DBR laser for fast channel-to-channel switching. AB - We present a simple and effective method for suppressing thermally induced wavelength drift in a widely tunable digital supermode distributed Bragg reflector (DS-DBR) laser monolithically integrated with a semiconductor optical amplifier (SOA). For fast thermal compensation, pre-compensatory currents are injected into the gain medium section of the DS-DBR laser and the SOA. This method can be easily applied to existing commercial tunable lasers, since it is implemented without any modification to manufacturing process. Experimental results exhibit that wavelength stability is noticeably improved to +/- 0.01 nm. We also experimentally demonstrate a fast channel-to-channel switching in a wavelength-routed optical switching system employing a 90 * 90 arrayed waveguide grating router (AWGR). The measured switching time is less than 0.81 us. PMID- 29221071 TI - Ultrafast layer based computer-generated hologram calculation with sparse template holographic fringe pattern for 3-D object. AB - In this paper, we propose a new ultrafast layer based CGH calculation that exploits the sparsity of hologram fringe pattern in 3-D object layer. Specifically, we devise a sparse template holographic fringe pattern. The holographic fringe pattern on a depth layer can be rapidly calculated by adding the sparse template holographic fringe patterns at each object point position. Since the size of sparse template holographic fringe pattern is much smaller than that of the CGH plane, the computational load can be significantly reduced. Experimental results show that the proposed method achieves 10-20 msec for 1024x1024 pixels providing visually plausible results. PMID- 29221072 TI - In-service crosstalk monitoring, tracing and lightpath re-optimization for space division multiplexing optical networks. AB - In recent years, to enlarge the single-mode fibers (SMFs) transmission capacity, researchers focused on the dimension of space, which is a new degree of freedom that is being considered for optical fiber communication beyond WDM. Space division multiplexing (SDM), including mode-division multiplexing (MDM) using multimode fibers (MMFs) or few-mode fibers (FMFs), and core multiplexing using multicore fibers (MCFs), has attracted much recent attention. In an SDM system, high-density spatial channels are tightly packed into a single fiber, thus making crosstalk among cores or modes a critical challenge due to fiber imperfections, bending, and twisting. Previous studies have mostly been confined to the routing algorithms for crosstalk reduction but few focuses on the in-service crosstalk monitoring, tracing and quality-of-transmission (QoT)-oriented lightpath re optimization. In this paper, we proposed novel in-service crosstalk monitoring and tracing (CMT) method and algorithm using fine-grained optical time slice monitoring channels for crosstalk reduction in SDM optical networks. Benefitting from the large amount of fine-grained channels provided by optical time slices, it becomes possible for every source node to allocate a dedicated monitoring time slice carrying the traffic and path information for each connection. Crosstalk monitoring and tracing can be realized by extracting the information contained in these monitoring time slices. Simulation results shows that the proposed CMT method and algorithm can obtain acceptable performance in large-scale network scenarios. Furthermore, we also proposed a quality-of-transmission (QoT)-oriented lightpath re-optimization mechanism based on in-service crosstalk monitoring and tracing to maintain a high level of QoT. Finally, we designed a prototype experiment to validate our proposed in-service crosstalk monitoring method. Results show that this method can realize in-service crosstalk monitoring, tracing and lightpath re-optimization over a seven-core fiber based transmission system, and the crosstalk with a minimum value of -37.9 dB can be monitored and successfully traced. PMID- 29221073 TI - Beyond Born-Rytov limit for super-resolution optical diffraction tomography. AB - Optical diffraction tomography (ODT) using Born or Rytov approximation suffers from severe distortions in reconstructed refractive index (RI) tomograms when multiple scattering occurs or the scattering signals are strong. These effects are usually seen as a significant impediment to the application of ODT because multiple scattering is directly linked to an unknown object itself rather than a surrounding medium, and a strong scatter invalidates the underlying assumptions of the Born and Rytov approximations. The focus of this article is to demonstrate for the first time that multiple scattering and high material contrast, if handled aptly, can significantly improve the image quality of the ODT thanks to multiple scattering inside a sample. Experimental verification using various phantom and biological cells substantiates that we not only revealed the structures that were not observable using the conventional approaches but also resolved the long-standing problem of missing cones in the ODT. PMID- 29221074 TI - Miniaturized calcium beam optical frequency standard using fully-sealed vacuum tube with 10-15 instability. AB - We implement a miniaturized calcium beam optical frequency standard using specially-designed fully-sealed vacuum tube, and realize the comparison with another calcium beam optical clock whose vacuum tube is sealed by flanges. The electron shelving detection method is adopted to improve the signal-to-noise ratio of the clock transition spectroscopy, and the readout laser is locked by modulation-free frequency locking technology based on Doppler effect. Injection locking is carried out to boost the power of the 657 nm master clock transition laser, thus ensuring the comparison. The fractional instability of the miniaturized calcium beam optical frequency standard using fully-sealed vacuum tube is 1.8*10-15 after 1600 s of averaging. Total volume of the system except for electronics is about 0.3 m3. To our knowledge, it's the first time to realize the optical frequency standard using fully-sealed vacuum tube. This work will promote the miniaturization and transportability of the optical clock based on atomic beam. PMID- 29221075 TI - Self-accelerating Airy-Laguerre-Gaussian light bullets in a two-dimensional strongly nonlocal nonlinear medium. AB - We report a self-accelerating wave packets eigenmode solution of a two dimensional (2D) nonlocal nonlinear Schrodinger equation (NNLSE) with an Airy beam time-dependence, and present their spatiotemporal profiles. The behaviours of such Airy-Laguerre-Gaussian light bullets, as propagated in a strongly nonlocal nonlinear medium (SNNM), are investigated both analytically and numerically. We found that the generation, control, and manipulation of the NL spatiotemporal light bullets are affected by the radial mode number and the azimuthal mode number, as well as the modulation depth. Our scheme is quite different from the linear light bullets, in which the wave propagates in a NL medium and is an eigenmode of NLSE. PMID- 29221076 TI - Temperature-insensitive frequency conversion by phase mismatch self-compensation in the same type of crystals. AB - Aiming at high-power laser frequency conversion, we present a new scheme that can self-compensate for the thermally induced phase mismatch. The basic design of the scheme is that three crystals with the same type are cascaded, of which the crystals at both ends are used for frequency conversion and the middle crystal is used for compensating phase mismatch. By configuring the polarization states of the interacting waves in the middle crystal, the sign of the first temperature derivative of the phase mismatch is opposite to that of the frequency conversion crystals. The thermally induced phase mismatch in the first crystal can thus be self-compensated in the middle crystal. To verify the utility of the proposed scheme, we experimentally demonstrated temperature-insensitive second and third harmonic generation using KH2PO4 crystals. The results show that the temperature acceptance bandwidth is about two times larger than that of using a single crystal. Since the crystals used are of the same type, this scheme has excellent universal applicability and is almost completely free from the limitations of the laser wavelength, crystal and phase-matching type. Therefore, the scheme can be widely applied to various frequency conversion processes and is scarcely any limitations. PMID- 29221077 TI - Selective area epitaxy of AlGaN nanowire arrays across nearly the entire compositional range for deep ultraviolet photonics. AB - Semiconductor light sources operating in the ultraviolet (UV)-C band (100-280 nm) are in demand for a broad range of applications but suffer from extremely low efficiency. AlGaN nanowire photonic crystals promise to break the efficiency bottleneck of deep UV photonics. We report, for the first time, site-controlled epitaxy of AlGaN nanowire arrays with Al incorporation controllably varied across nearly the entire compositional range. It is also observed that an Al-rich AlGaN shell structure is spontaneously formed, significantly suppressing nonradiative surface recombination. An internal quantum efficiency up to 45% was measured at room-temperature. We have further demonstrated large area AlGaN nanowire LEDs operating in the UV-C band on sapphire substrate, which exhibit excellent optical and electrical performance, including a small turn-on voltage of ~4.4 V and an output power of ~0.93 W/cm2 at a current density of 252 A/cm2. The controlled synthesis of AlGaN subwavelength nanostructures with well-defined size, spacing, and spatial arrangement and tunable emission opens up new opportunities for developing high efficiency LEDs and lasers and promises to break the efficiency bottleneck of deep UV photonics. PMID- 29221078 TI - Enhancement of the depth-of-field of integral imaging microscope by using switchable bifocal liquid-crystalline polymer micro lens array. AB - An integral imaging microscopy (IIM) system with improved depth-of-field (DoF) using a custom-designed bifocal polarization-dependent liquid-crystalline polymer micro lens array (LCP-MLA) is proposed. The implemented MLA has improved electro optical properties such as a small focal ratio, high fill factor, low driving voltage, and fast switching speed, utilizing a well-aligned reactive mesogen on the imprinted reverse shape of the lens and a polarization switching layer. A bifocal MLA switches its focal length according to the polarization angle and acquires different DoF information of the specimen. After two elemental image arrays are captured, the depth-slices are reconstructed and combined to provide a widened DoF. The fabricated bifocal MLA consists of two identical polarization dependent LCP-MLAs with 1.6 mm and f/16 focal ratio. Our experimental results confirmed that the proposed system improves the DoF of IIM without the need for mechanical manipulation. PMID- 29221079 TI - Quantitative analysis for the effect of the thermal physical property parameter of adhesive on the thermal performance of the quadrupolar fiber coil. AB - As a high-precision angular sensor, the fiber optic gyroscope (FOG) usually shows high sensitivity to disturbances of the environmental temperature. The thermal performance of the FOG will be directly affected by the selection of adhesive for adhesion inside the fiber coil, however, the current research on this is very rare. This paper is focusing the question above; firstly, the influence mechanism of temperature and stress on the non-reciprocity phase difference of the fiber coil is analyzed, and a model of fiber coil thermal-induced drift error is built. Secondly, the fiber coil three-dimensional simulation model including fiber core, coating layer, adhesive and various materials is built, and the accuracy of the model is verified by simulation and experiment. In the end, the influence of six thermal physical property parameters of adhesive material on the thermal performance of the FOG is analyzed quantitatively and the degree of influence from high to low is Young's modulus, Poisson's ratio, specific heat capacity, density and thermal conductivity. Results show that when choosing the adhesive, decreasing the thermal expansion coefficient, improving the young's modulus, reducing the poisson's ratio, reducing the heat capacity, reducing the density and increasing the thermal conductivity within a certain scope will be conducive to inhibit thermal-induced error of the FOG. And further prove that, the thermal stress distribution inside the fiber coil has more influence on the thermal performance of the FOG than the temperature field distribution. These findings are very helpful to chose and produce adhesive of fiber coil and improve the thermal performance of FOG. PMID- 29221080 TI - Integrated pillar scatterers for speeding up classification of cell holograms. AB - The computational power required to classify cell holograms is a major limit to the throughput of label-free cell sorting based on digital holographic microscopy. In this work, a simple integrated photonic stage comprising a collection of silica pillar scatterers is proposed as an effective nonlinear mixing interface between the light scattered by a cell and an image sensor. The light processing provided by the photonic stage allows for the use of a simple linear classifier implemented in the electric domain and applied on a limited number of pixels. A proof-of-concept of the presented machine learning technique, which is based on the extreme learning machine (ELM) paradigm, is provided by the classification results on samples generated by 2D FDTD simulations of cells in a microfluidic channel. PMID- 29221081 TI - Design and prototype of an augmented reality display with per-pixel mutual occlusion capability. AB - State-of-the-art optical see-through head-mounted displays for augmented reality (AR) applications lack mutual occlusion capability, which refers to the ability to render correct light blocking relationship when merging digital and physical objects, such that the virtual views appear to be ghost-like and lack realistic appearance. In this paper, using off-the-shelf optical components, we present the design and prototype of an AR display which is capable of rendering per-pixel mutual occlusion. Our prototype utilizes a miniature organic light emitting display coupled with a liquid crystal on silicon type spatial light modulator to achieve an occlusion capable AR display offering a 30 degrees diagonal field of view and an angular resolution of 1.24 arcminutes, with an optical performance of > 0.4 contrast over the full field at the Nquist frequency of 24.2 cycles/degree. We experimentally demonstrate a monocular prototype achieving >100:1 dynamic range in well-lighted environments. PMID- 29221082 TI - Low temperature Voigt effect in the terbium gallium garnet crystal. AB - Magnetic linear birefringence and dichroism are investigated for the paramagnetic terbium gallium garnet (TGG) single crystal in the temperature range 8-100 K. The reciprocal nature is confirmed for the linear birefringence. Furthermore a theoretical model is validated that describes the intermixing of linear and circular birefringence. The ellipticity and rotation of the polarization ellipse are investigated in the light of these measurements. These otherwise minuscule magnetically induced effects are amplified at cryogenic temperatures and are determined by a phase-sensitive technique based on the Fourier decomposition of detected signal intensities. The correspondent measurements also allow us to determine the Curie-Weiss constant corroborating the presence of a magnetically frustrated spin system. Additionally we show how the Voigt geometry enables determining the direction of a magnetic field. PMID- 29221083 TI - Directly data processing algorithm for multi-wavelength pyrometer (MWP). AB - Data processing of multi-wavelength pyrometer (MWP) is a difficult problem because unknown emissivity. So far some solutions developed generally assumed particular mathematical relations for emissivity versus wavelength or emissivity versus temperature. Due to the deviation between the hypothesis and actual situation, the inversion results can be seriously affected. So directly data processing algorithm of MWP that does not need to assume the spectral emissivity model in advance is main aim of the study. Two new data processing algorithms of MWP, Gradient Projection (GP) algorithm and Internal Penalty Function (IPF) algorithm, each of which does not require to fix emissivity model in advance, are proposed. The novelty core idea is that data processing problem of MWP is transformed into constraint optimization problem, then it can be solved by GP or IPF algorithms. By comparison of simulation results for some typical spectral emissivity models, it is found that IPF algorithm is superior to GP algorithm in terms of accuracy and efficiency. Rocket nozzle temperature experiment results show that true temperature inversion results from IPF algorithm agree well with the theoretical design temperature as well. So the proposed combination IPF algorithm with MWP is expected to be a directly data processing algorithm to clear up the unknown emissivity obstacle for MWP. PMID- 29221084 TI - 2.38 Kbits/frame WDM transmission over a CVLC system with sampling reconstruction for SFO mitigation. AB - The camera-based visible light communication (CVLC) exploiting rolling shutter effect (RSE) is a cost-efficient technique that ensures secured data transmission. By controlling the on-off state of the light emitting diode (LED), data can be modulated onto the emitting visible light. The corresponding data recovery can be realized by exploiting the RSE of the mobile-phone camera. In this paper, based on a commercial RGB-LED and a single mobile-phone camera, a wavelength division-multiplexing (WDM) CVLC system exploiting RSE is experimentally demonstrated. For the generation and reception of the WDM signals, a structure of three parallel-independent channels is applied to the system. To mitigate the sampling frequency offset (SFO) effect, a low-complexity sampling reconstruction (SR) scheme is proposed and used in each channel of the system. Experimental results show that with the help of the proposed SR scheme, the system can achieve a theoretical data rate up to 2.38 Kbits/frame, with the bit error rate (BER) lower than 3.8 * 10-3. PMID- 29221085 TI - Compact single-etched sub-wavelength grating couplers for O-band application. AB - We demonstrate two single-etched sub-wavelength grating coupler (SWGC) designs for O-band application, one targeting at high coupling efficiency and the other targeting at broad operating bandwidth. The high-efficiency SWGC has a measured peak coupling efficiency of -3.8 dB and a 3-dB bandwidth of 40 nm, and the broadband SWGC has a measured peak coupling efficiency of -4.3 dB and a 3-dB bandwidth of 71 nm. Focusing gratings have been used in our SWGCs to reduce the design footprints and the dimensions of our SWGCs are smaller than 45 MUm * 24 MUm. The back reflections of our SWGCs are suppressed to be below -15 dB over the wavelength range from 1260 nm to 1360 nm. PMID- 29221086 TI - Ultrasensitive terahertz sensing of gold nanoparticles inside nano slot antennas. AB - We introduce a robust control method of terahertz (THz) transmission by tuning filling factors of Au nanoparticles (AuNPs) inside nano slot antennas. AuNPs in sub-100 nm diameters were spread over the nano slot antennas, followed by sweeping them into the slots. AuNPs can be efficiently localized and inserted into nano slots where the THz fields are greatly enhanced, by a "squeegee" made of the polydimethylsiloxane (PDMS). The sweeping of the AuNPs results in further dramatic reduction of THz transmission by suppressing the fundamental resonance mode of the nano slot, as compared to a typical random dropping case. It definitely works for an accurate THz transmission control, as well as the removal of unwanted ions that occasionally confuse signal accuracy from the target signals. Our approach provides a complete reinterpretation of sample deposition for further steady demands in developing ultrasensitive terahertz (THz) molecule sensors. PMID- 29221087 TI - Scaling the abruptly autofocusing beams in the direct-space. AB - We propose a simple technique to scale the abruptly autofocusing beams in the direct space by introducing a scaling factor in the phase. Analytical formulas are deduced based on optical caustics, explicitly revealing how the scaling factor controls location, peak intensity, and size of the focal spot. We demonstrate that the multiplication of a scaling factor on the phase is equivalent to the axial-scaling transformation under the paraxial approximation. Further numerical and experimental results confirm theoretical predictions. In addition, amplitude modulation using phase-only holograms is used to maintain the peak intensity level of the focal spots. PMID- 29221088 TI - Tunable terahertz transmission properties of aligned Ni-nanowire arrays. AB - Aligned Ni nanowire (NW) arrays were investigated for terahertz (THz) wave modulation. By adjusting the NW density and order of the NW arrays, the resonant frequency and intensity of the THz waves can be effectively tuned. The tuning range of the resonant frequency is about 0.29 THz, and a transmittance of less than 40% in the frequency region from 0.5 to 2 THz is achieved by changing the NW density. Although the order of the NW arrays has no influence on the resonant frequency, the transmittance can be tuned about 21%. The ability to tune the intensity and resonant frequency effectively and the ease of fabrication of the Ni-NW arrays make them the potential candidates for THz tunable filters, intensity modulators, and spatial light modulators. PMID- 29221089 TI - Determination of complex Hermitian and anti-Hermitian interaction constants from a coupled photonic system via coherent control. AB - By manipulating the relative amplitude and phase between two incoming lights, coherent control of photonic systems can be realized. Here, we show by temporal coupled mode theory and finite-difference time-domain simulation that a coupled system can be actively controlled to exhibit plenty of different spectral, angular, and excitation behaviors. Electromagnetically induced transparency-like and Fano spectral characteristics as well as strong beam steering have been observed. Remarkably, by selectively exciting the coupled modes, we have developed a new approach to determine the complex Hermitian and anti-Hermitian interaction constants. We find the constants are strongly geometric and material dependent and they are of importance in understanding the non-Hermitian physics arising from the dissipative, open coupled system. PMID- 29221090 TI - Study of the momentum-resolved plasmonic field energy of Bloch-like surface plasmon polaritons from periodic nanohole array. AB - The angular surface plasmon mediated fluorescence from a two-dimensional Au nanohole array has been studied by reflectivity spectroscopy and Fourier-space photoluminescence microscopy. By using the rate equation model and temporal coupled mode theory, we determine the momentum-dependent coupling rate of light emitters to (-1,0) Bloch-like surface plasmon polaritons (SPPs) in the first Brillouin zone. The rate increases gradually when the SPPs propagate away from the Gamma-X direction and split into two at the Gamma-M point where two coupled modes are formed. In addition, both the spectral density-of-states (SDOS) and the plasmonic field energy are found to govern the momentum dependence. We also examine the behavior of the field energy as a function of the SPP propagation direction and it agrees well with the finite-difference time-domain simulations, showing the energy plays a major role in controlling the angular emission intensity. Our results devise a new method in studying the momentum-dependent plasmonic field energy and they are expected to provide insight in directional emission from periodic arrays. PMID- 29221091 TI - Raman lidar for hydrogen gas concentration monitoring and future radioactive waste management. AB - A multi-channel Raman lidar has been developed, allowing for the first time simultaneous and high-resolution profiling of hydrogen gas and water vapor. The lidar measures vibrational Raman scattering in the UV (355 nm) domain. It works in a high-bandwidth photon counting regime using fast SiPM detectors and takes into account the spectral overlap between hydrogen and water vapor Raman spectra. Measurement of concentration profiles of H2 and H2O are demonstrated along a 5 meter-long open gas cell with 1-meter resolution at 85 meters. The instrument precision is investigated by numerical simulation to anticipate the potential performance at longer range. This lidar could find applications in the French project Cigeo for monitoring radioactive waste disposal cells. PMID- 29221092 TI - Structured light illumination for order sorting in Echelle spectrometers. AB - We report on the operation of an echelle spectrometer under structured light illumination. Each diffraction order of the spectrometer is encoded with a certain periodic structure allowing for order sorting by numerical analysis after detection. In contrast to cross-dispersed echelle spectrometers, in this approach the orders overlap at the detection plane so that the spectral calibration can be performed easily with a single reference wavelength. This operational simplification makes it possible to measure simultaneously the light source under study and the calibration wavelength giving rise to a self-calibrated echelle spectrometer. In this way the device compensates for the spectral drift due to temporal changes of environmental conditions in real time. Our proposal can be useful in a large number of applications requiring moderate, high or very high resolving power for a wide bandwidth in a non-isolated environment. PMID- 29221093 TI - Low-loss demonstration and refined characterization of silicon arrayed waveguide gratings in the near-infrared. AB - A resonator is characterized with two cascaded arrayed waveguide gratings (AWGs) in a ring formation. From this structure, the on-chip transmittance of a single AWG is extracted, independent of coupling efficiency. It provides improved measurement accuracy, which is essential for developing AWGs with extremely low loss. Previous methods normalize the off-chip AWG transmittance to that of a reference waveguide with identical coupling, leading to an uncertainty of ~14 % on the extracted on-chip AWG transmittance. It is shown here that the proposed "AWG-ring" method reduces this value to ~3 %. A low-loss silicon AWG and an AWG ring are fabricated. Channel losses with <2 dB are found, with a crosstalk per channel approaching -30 dB. Such an efficient wavelength multiplexing device is beneficial for the integration of spectroscopic sensors, multi-spectral lasers, and further progress in optical communication systems. PMID- 29221094 TI - Direct evidence of recombination between electrons in InGaN quantum discs and holes in p-type GaN. AB - Intense emission from an InGaN quantum disc (QDisc) embedded in a GaN nanowire p n junction is directly resolved by performing cathodoluminescence spectroscopy. The luminescence observed from the p-type GaN region is exclusively dominated by the emission at 380 nm, which has been usually reported as the emission from Mg induced impurity bands. Here, we confirm that the robust emission from 380 nm is actually not due to the Mg induced impurity bands, but rather due to being the recombination between electrons in the QDisc and holes in the p-type GaN. This identification helps to get a better understanding of the confused luminescence from nanowires with thin QDiscs embedded for fabricating electrically driven single photon emitters. PMID- 29221095 TI - Optimizing the performance of non-collinear optical parametric chirped pulse amplification via multi-pass structure based on two geometry configurations. AB - We propose a method for multi-pass non-collinear optical parametric chirped pulse amplification (MNOPCPA) based on two geometries, tangent phase-matching (TPM) and Poynting vector walk-off compensation (PVWC), which optimize the performance of optical parametric chirped pulse amplification (OPCPA). A feasible design scheme is also presented for use in implementing this approach. Employing this design, we construct and perform a numerical simulation, showing that back-conversion from the signal and idler to the pump can be inhibited, and that the conversion efficiency can be boosted dramatically, approaching the theoretical limit of ~64%, when amplification is nearly saturated at full bandwidth. In the MNOPCPA scheme, the output signal has a wider spectrum and a corresponding shorter Fourier-limited pulse duration with the pump being continuously depleted. A barycenter shift of the signal spot results from a spatial walk-off effect due to the pump, which can be offset and corrected well. To the best of our knowledge, this is the first demonstration of a multi-pass non-collinear OPCPA method employed the scheme of regenerative amplification. PMID- 29221096 TI - High resolution beam profiling of X-ray free electron laser radiation by polymer imprint development. AB - High resolution metrology of beam profiles is presently a major challenge at X ray free electron lasers. We demonstrate a characterization method based on beam imprints in poly (methyl methacrylate). By immersing the imprints formed at 47.8 eV into organic solvents, the regions exposed to the beam are removed similar to resist development in grayscale lithography. This allows for extending the sensitivity of the method by more than an order of magnitude compared to the established analysis of imprints created solely by ablation. Applying the Beer Lambert law for absorption, the intensity distribution in a micron-sized focus can be reconstructed from one single shot with a high dynamic range, exceeding 103. The procedure described here allows for beam characterization at free electron lasers revealing even faint beam tails, which are not accessible when using ablation imprint methods. We demonstrate the greatly extended dynamic range on developed imprints taken in focus of conventional Fresnel zone plates and spiral zone plates producing beams with a topological charge. PMID- 29221097 TI - High wall-plug efficiency blue III-nitride LEDs designed for low current density operation. AB - Commercial LEDs for solid-state lighting are often designed for operation at current densities in the droop regime (~35 A/cm2) to minimize costly chip area; however, many benefits can be realized by operating at low current density (J ~1 5 A/cm2). Along with mitigation of droop losses and reduction of the operating voltage, low J operation of LEDs opens the design space for high light extraction efficiency (LEE). This work presents detailed ray tracing simulations of an LED design for low J operation with LEE ~94%. The design is realized experimentally resulting in a peak wall-plug efficiency of 78.1% occurring at 3.45 A/cm2 and producing an output power of 7.2 mW for a 0.1 mm2 emitting area. At this operation point, the photon voltage Vp=hnuq exceeds the forward voltage (V), corresponding to a Vp/V = 103%. PMID- 29221098 TI - Pulse dynamics of dual-wavelength dissipative soliton resonances and domain wall solitons in a Tm fiber laser with fiber-based Lyot filter. AB - We report on the first demonstration of dual-wavelength square-wave pulses in a thulium-doped fiber laser. Under appropriate cavity parameters, dual-wavelength dissipative soliton resonances (DSRs) and domain wall solitons (DWSs) are successively obtained. Meanwhile, dark pulses generation is achieved at the dual wavelength DWSs region due to the overlap of the two domain wall pulses. The fiber-based Lyot filter, conducted by inserting PMF between an in-line PBS and a PD-ISO, facilitates the generation of dual-wavelength operation. The polarization resolved investigation suggests that the cross coupling between two orthogonal polarization components in the high nonlinear fiber plays an important role in the square-wave pulses formation. The investigation may be helpful for further understanding the square-wave pulse formation and has potential in application filed of multi-wavelength pulsed fiber lasers. PMID- 29221099 TI - Design of a uniform-illumination binocular waveguide display with diffraction gratings and freeform optics. AB - Uniform illuminance over the expanded exit pupil is an important requirement for waveguide display systems with a wide field of view (FOV). To address this issue, we develop a monochromatic binocular waveguide display in this paper. Two surface relief diffraction gratings are designed as in-couplers and out-couplers. The parameters of the gratings are optimized to achieve uniform diffraction efficiency distributions over a broad angular range. The grating couplers enable the system to realize a diagonal FOV of 40 degrees . A freeform surface prism is designed as the projection optics. The diameters of the two exit pupils are 12 mm in the expanding direction at an eye relief of 19 mm. PMID- 29221100 TI - Automated detection of cloud and aerosol features with SACOL micro-pulse lidar in northwest China. AB - The detection of cloud and aerosols using a modified retrieval algorithm solely for a ground-based micropulse lidar (MPL) is presented, based on one-year data at the Semi-Arid Climate Observatory and Laboratory (SACOL) site (35.57 degrees N, 104.08 degrees E, 1965.8 m), northwest of China, from March 2011 to February 2012. The work not only identifies atmosphere particle layers by means of the range-dependent thresholds based on elastic scattering ratio and depolarization ratio, but also discriminates the detected layers by combining empirical thresholds of the atmosphere's thermodynamics states and scattering properties and continuous wavelet transform (CWT) analyses. Two cases were first presented in detail that demonstrated that the modified algorithm can capture atmosphere layers well. The cloud macro-physical properties including cloud base height (CBH), cloud geometrical thickness (CGT), and cloud fraction (CF) were then analyzed in terms of their monthly and seasonal variations. It is shown that the maximum/minimum CBHs were found in summer (4.66 +/- 1.95km)/autumn (3.34 +/- 1.84km). The CGT in winter (1.05 +/- 0.43km) is slightly greater than in summer (0.99 +/- 0.44km). CF varies significantly throughout year, with the maximum value in autumn (0.68), and a minimum (0.58) in winter, which is dominated by single-layered clouds (81%). The vertical distribution of CF shows a bimodal distribution, with a lower peak between 1 and 4km and a higher one between 6and 9km. The seasonal and vertical variations in CF are important for the local radiative energy budget. PMID- 29221102 TI - Liquid-crystal tunable color filters based on aluminum metasurfaces. AB - Designing color pixels using plasmonic nanostructures and metasurfaces has become a luring area of research in recent years. Here, we experimentally demonstrated the voltage tunability of a dynamic plasmonic color filter by using an aluminum grating integrated with the nematic liquid crystal (LC). Along with a typical substrate coated with rubbed polyimide film, the aluminum grating itself serves as a molecular alignment layer to form a twisted LC cell. This hybrid structure allows electrically controlled transmission color by applying the voltage. A significant spectral tunability of such a device has been demonstrated by applying the small voltage from 0 to 4 Vrms. PMID- 29221101 TI - Enhanced light-matter interactions in graphene-covered dielectric magnetic mirrors. AB - Enhanced interactions of light with graphene on the surface of a lossless dielectric magnetic mirror (DMM) are studied theoretically and experimentally in the visible range, where the DMM is composed of truncated dielectric photonic crystals (PCs). The absorption of graphene on the DMM was enhanced by about 4 fold for the spectral range within the forbidden gap of PCs over a wide range of incidence angles for both transverse electric and transverse magnetic polarizations compared with that of free-standing graphene. Moreover, the enhanced local electric field on the DMM surface led to much better detection efficiencies of the photocurrent, Raman spectroscopy and enhanced third-harmonic generation of graphene. These results offer a new way to achieve an enhanced interaction of light with graphene and develop new compact graphene-based devices. PMID- 29221103 TI - Compensation of aberration in quantitative phase imaging using lateral shifting and spiral phase integration. AB - We present a simple and effective method to eliminate system aberrations in quantitative phase imaging. Using spiral phase integration, complete information about system aberration is calculated from three laterally shifted phase images. The present method is especially useful when measuring confluent samples in which acquisition of background area is challenging. To demonstrate validity and applicability, we present measurements of various types of samples including microspheres, HeLa cells, and mouse brain tissue. Working conditions and limitations are systematically analyzed and discussed. PMID- 29221104 TI - Accurate measurements of circular and residual linear birefringences of spun fibers using binary polarization rotators. AB - We present a method to accurately measure the birefringence properties of spun fibers using binary polarization rotators. By taking the advantages of binary polarization rotator in polarization analysis, we are able to simultaneously measure both the circular and linear birefringences in a spun fiber with high accuracy. We obtain the circular and the residual linear birefringences of the spun fiber as a function of temperature T to be 3.34 * 10-5-5.11 * 10-8T and 8.1 * 10-6-1.19 * 10-8T, respectively, with the residual linear birefringence about 4 times less than the circular birefringence. We find, for the first time with the best of authors' knowledge, that the circular and the residual linear birefringences in a spun fiber are highly linear with the temperature, with thermal coefficients of -5.11 * 10-8 degrees C-1 and -1.19 * 10-8 degrees C-1, respectively, and that the relative changes per degrees C of the circular and residual linear birefringence are almost identical, with values of -0.152% and 0.147% respectively. We believe that the method and data presented in this paper will be beneficial for making high quality spun fibers, as well as high accuracy fiber optic current sensors. PMID- 29221105 TI - Examination of potassium diode pumped alkali laser using He, Ar, CH4 and C2H6 as buffer gas. AB - We examined the performance of a potassium diode pumped alkali laser (K DPAL) using He, Ar, CH4, C2H6 and a mixture of He and CH4 as a buffer gas to provide spin-orbit mixing of the 4P3/2 and 4P1/2 states of Potassium atoms. We found that pure helium cannot be used as an efficient buffer gas for continuous wave lasing without using a flowing system with a considerable flow speed of about 100 m/s. In contrast, using a small amount of methane (10-20 Torr) mixed with helium, continuous wave lasing can be achieved using very moderate flow speeds of about 1 m/s. PMID- 29221106 TI - High sensitivity optical biosensor based on polymer materials and using the Vernier effect. AB - We demonstrate the fabrication of a Vernier effect SU8/PMATRIFE polymer optical biosensor with high homogeneous sensitivity using a standard photolithography process. The sensor is based on one micro-resonator embedded on each arm of a Mach-Zehnder interferometer. Measurements are based on the refractive index variation of the optical waveguide superstrate with different concentrations of glucose solutions. The sensitivity of the sensor has been measured as 17558 nm/RIU and the limit of detection has been estimated to 1.1.10-6 RIU. PMID- 29221107 TI - Interferometric synthetic aperture microscopy for extended focus optical coherence microscopy. AB - Optical coherence microscopy (OCM) is an interferometric technique providing 3D images of biological samples with micrometric resolution and penetration depth of several hundreds of micrometers. OCM differs from optical coherence tomography (OCT) in that it uses a high numerical aperture (NA) objective to achieve high lateral resolution. However, the high NA also reduces the depth-of-field (DOF), scaling with 1/NA2. Interferometric synthetic aperture microscopy (ISAM) is a computed imaging technique providing a solution to this trade-off between resolution and DOF. An alternative hardware method to achieve an extended DOF is to use a non-Gaussian illumination. Extended focus OCM (xfOCM) uses a Bessel beam to obtain a narrow and extended illumination volume. xfOCM detects back-scattered light using a Gaussian mode in order to maintain good sensitivity. However, the Gaussian detection mode limits the DOF. In this work, we present extended ISAM (xISAM), a method combining the benefits of both ISAM and xfOCM. xISAM uses the 3D coherent transfer function (CTF) to generalize the ISAM algorithm to different system configurations. We demonstrate xISAM both on simulated and experimental data, showing that xISAM attains a combination of high transverse resolution and extended DOF which has so far been unobtainable through conventional ISAM or xfOCM individually. PMID- 29221108 TI - Checkpoint and PARP inhibitors, for whom and when. PMID- 29221109 TI - Protein phosphatase 4 regulatory subunit 2 (PPP4R2) is recurrently deleted in acute myeloid leukemia and required for efficient DNA double strand break repair. AB - We have previously identified a recurrent deletion at chromosomal band 3p14.1-p13 in patients with acute myeloid leukemia (AML). Among eight protein-coding genes, this microdeletion affects the protein phosphatase 4 regulatory subunit 2 (PPP4R2), which plays an important role in DNA damage response (DDR). Investigation of mRNA expression during murine myelopoiesis determined that Ppp4r2 is higher expressed in more primitive hematopoietic cells. PPP4R2 expression in primary AML samples compared to healthy bone marrow was significantly lower, particularly in patients with 3p microdeletion or complex karyotype. To identify a functional role of PPP4R2 in hematopoiesis and leukemia, we genetically inactivated Ppp4r2 by RNAi in murine hematopoietic stem and progenitor cells and murine myeloid leukemia. Furthermore, we ectopically expressed PPP4R2 in a deficient human myeloid leukemic cell line. While PPP4R2 is involved in DDR of both hematopoietic and leukemic cells, our findings indicate that PPP4R2 deficiency impairs de-phosphorylation of phosphorylated key DDR proteins KRAB-domain associated protein 1 (pKAP1), histone variant H2AX (gammaH2AX), tumor protein P53 (pP53), and replication protein A2 (pRPA2). Potential impact of affected DNA repair processes in primary AML cases with regard to differential PPP4R2 expression or 3p microdeletion is also supported by our results obtained by gene expression profiling and whole exome sequencing. Impaired DDR and increased DNA damage by PPP4R2 suppression is one possible mechanism by which the 3p microdeletion may contribute to the pathogenesis of AML. Further studies are warranted to determine the potential benefit of inefficient DNA repair upon PPP4R2 deletion to the development of therapeutic agents. PMID- 29221110 TI - A seven-gene signature predicts overall survival of patients with colorectal cancer. AB - Colorectal cancer (CRC) is a major cause of global cancer mortality. Gene expression profiles can help predict prognosis of patients with CRC. In most of previous studies, disease recurrence was analyzed as the survival endpoint. Thus we aim to build a robust gene signature for prediction of overall survival (OS) in patients with CRC. Fresh frozen CRC tissues from 64 patients were analyzed using Affymetrix HG-U133plus 2.0 gene arrays. By performing univariate survival analysis, 6487 genes were found to be associated with the OS in our cohort. KEGG analysis revealed that these genes were mainly involved in pathways such as endocytosis, axon guidance, spliceosome, Wnt signalling and ubiquitin mediated proteolysis. A seven-gene signature was further selected by a robust likelihood based survival modelling approach. The prognostic model of seven-gene signature (NHLRC3, ZDHHC21, PRR14L, CCBL1, PTPRB, PNPO, and PPIP5K2) was constructed and weighted by regression coefficient, which divided patients into high- and low risk groups. The OS for patients in high-risk group was significantly poorer compared with patients in low-risk group. Moreover, all seven genes were found to be differentially expressed in CRC tissues as compared with adjacent normal tissues, indicating their potential role in CRC initiation and progression. This seven-gene signature was further validated as an independent prognostic marker for OS prediction in patients with CRC in other two independent cohorts. In short, we developed a robust seven-gene signature that can predict the OS for CRC patients, providing new insights into identification of CRC patients with high risk of mortality. PMID- 29221111 TI - Nasopharyngeal carcinoma risk prediction via salivary detection of host and Epstein-Barr virus genetic variants. AB - Genetic susceptibility and Epstein-Barr virus (EBV) infection are important etiological factors in nasopharyngeal carcinoma (NPC). In this study, in southern China, where NPC is endemic, a single nucleotide polymorphism (SNP) in the EBV encoded RPMS1 gene (locus 155391: G > A [G155391A]) and seven host SNPs (rs1412829, rs28421666, rs2860580, rs2894207, rs31489, rs6774494, and rs9510787) were confirmed to be significantly associated with NPC risk in 50 NPC cases versus 54 hospital-based controls with throat washing specimens and 1925 NPC cases versus 1947 hospital-based controls with buffy coat samples, respectively. We established a strategy to detect the NPC-associated EBV and host SNPs using saliva samples in a single test that is convenient, noninvasive, and cost effective and displays good compliance. The potential utility of this strategy was tested by applying a risk prediction model integrating these EBV and host genetic variants to a population-based case-control study comprising 1026 incident NPC cases and 1148 controls. Receiver operating characteristic (ROC) curve analysis revealed an area under the curve of the NPC risk prediction model of 0.74 (95% CI: 0.71-0.76). Net reclassification improvement (NRI) analysis showed that inclusion of the EBV SNP significantly improved the discrimination ability of the model (NRI = 0.30, P < 0.001), suggesting the promising value of EBV characteristics for identifying high-risk NPC individuals in endemic areas. Taken together, we developed a promising NPC risk prediction model via noninvasive saliva sampling. This approach might serve as a convenient and effective method for screening the population with high-risk of NPC. PMID- 29221112 TI - Traditional Chinese medicine Ka-Sai-Ping suppresses the growths of gastric cancers via induction of autophagy. AB - Traditional Chinese medication is increasingly used to treat a wide range of human chronic diseases like cardiovascular diseases and cancers. This study was designed to explore whether ka-sai-ping (KSP), a novel traditional Chinese medicine developed by us, prevents gastric cancer growths and to investigate the underlying mechanism. The xenograft model of mouse gastric cancer was established by injecting MFCs into nude mouse subcutaneously. Cell autophagy was assessed by MDC staining. Lysosome and mitochondria were detected by Lyso-Tracker Red and Mito-Traker Green staining. Incubation of cultured mouse gastric cancer cell line MFCs with KSP for 48 hours, concentration-dependently reduced cell survivals and activated autophagy, which were accompanied with damaged lysosomes and mitochondria. In vivo studies indicated that KSP therapy (20 ml/kg/day) for two weeks suppressed the growth of gastric cancer, increased the protein levels of LC3-II, beclin-1, cathepsin L, bcl-2, p53, and capase-3 in tumor tissues from the xenograft model of mouse gastric cancer. Importantly, all these effects induced by KSP were abolished by co-administration of autophagy inhibitor 3-MA. In conclusion, KSP activates cell autophagy to suppress gastric cancer growths. Clinically, KSP is potentially considered as a medicine to treat patients with gastric cancer. PMID- 29221113 TI - The peripheral immune status of granulocytic myeloid-derived suppressor cells correlates the survival in advanced gastric cancer patients receiving cisplatin based chemotherapy. AB - Background: The prognostic significance of peripheral immune status in patients with advanced gastric cancer (AGC) remains unclear. Results: From July 2013 through December 2014, 37 patients were enrolled. Among patients with 25 subsets of immune cells, patients in the high group of granulocytic myeloid-derived suppressor cells (Gr-MDSCs) showed significantly shorter progression-free survival (PFS) than those in the low group (3.98 vs. 8.78 months; hazards ratio (HR), 2.61; p = 0.01). In multivariate analysis, the high Gr-MDSCs value was also associated with shorter PFS (HR, 4.60; 95% confidence interval (CI), 1.79-11.8; p = 0.001). Although significant difference was not found in univariate analysis, the high Gr-MDSCs group was associated with shorter overall survival (OS) (HR, 2.89; 95% CI, 1.23-6.80; p = 0.015) in multivariate analysis. Materials and Methods: In this explorative prospective study, peripheral blood samples were collected from AGC patients before initiating first-line cisplatin-based chemotherapy (S-1 + cisplatin or S-1 + cisplatin + docetaxel). Peripheral blood mononuclear cells were analyzed for 25 immune subsets by multicolor flow cytometry. PFS and OS were compared between the patients divided into high and low (>= and < median, respectively) groups based on the median value for each immune cell subset. Conclusions: The peripheral immune status of Gr-MDSCs appears to affect the prognosis in AGC. Further research is needed to confirm the clinical value of the level of circulating Gr-MDSCs as a prognostic and/or predictive marker in AGC. PMID- 29221114 TI - Interferon-tau increases BoLA-I for implantation during early pregnancy in dairy cows. AB - Interferon-tau (IFN-tau) signals pregnancy recognition in ruminants. We investigated the effects of IFN-tau produced by embryo trophoblastic cells (ETCs) on expression of bovine leukocyte antigen-I (BoLA-I), a bovine analogue of human MHC-I, in endometrial luminal epithelial cells (EECs) during early pregnancy in dairy cows. Expression of IFN-tau and BoLA-I was increased in endometrial tissues during early pregnancy. Expression of the anti-inflammatory cytokine IL-10 was increased in endometrial tissues, while expression of the pro-inflammatory cytokine IL-6 was decreased, indicating immunosuppression. Progesterone increased IFN-tau expression in EECs. IFN-tau increased p-STAT1 and p-STAT3 levels in EECs, but reduced TRAF3 levels. In addition, IFN-tau increased expression of BoLA-I and IL-10, but decreased expression of IL-6 in EECs. These results indicate that IFN tau enables stable implantation in dairy cows by increasing expression of BoLA-I, and by immunosuppression mediated by increased IL-10 and decreased IL-6 expression. PMID- 29221115 TI - lncRNA MALAT1, HOTTIP and PVT1 as predictors for predicting the efficacy of GEM based chemotherapy in first-line treatment of pancreatic cancer patients. AB - This study evaluated the lnc-RNAs as biomarker to predict efficacy of gemcitabine (GEM) based chemotherapy as the first-line treatment for locally advanced or advanced pancreatic cancer patients. We selected 62 patients with GEM based chemotherapy and divided two groups according to the PFS. We found that the expression of MALAT1, HOTTIP, and PVT1 in serum had a significant difference among the two groups. Furthermore, we estimated the PFS and response rate based on the expression levels of MALAT1, HOTTIP and PVT1. The response rate of two groups showed a significant difference according to the expression levels of MALAT1, HOTTIP and PVT1. Based on the expression levels of MALAT1, HOTTIP and PVT1, the response rate of high expression of PVT1 and low expression of PVT1 was respectively 14.8% and 37.1% and 18.2% (high HOTTIP group) and 37.9% (low HOTTIP group), 10.7%(high MALAT1 group) and 41.1% (low MALAT1 group). The PFS of patients with high and low expression levels PVT1 was 2.6 months and 4.0 months (p<0.001), respectively. The PFS of patients with high and low expression levels of HOTTIP was 2.7 months and 4.1 months (p<0.001), respectively, and the PFS of patients with high and low expression levels of MALAT1 was 3.0 months and 3.7 months (P=0.026), respectively. The results suggest that MALAT1, HOTTIP and PVT1 as predictors to predict the efficacy of GEM based chemotherapy in first-line treatment of pancreatic cancer patients. PMID- 29221116 TI - The addition of abemaciclib to sunitinib induces regression of renal cell carcinoma xenograft tumors. AB - Multiple therapies currently exist for renal cell carcinoma, however, most do not result in cure and the development of acquired resistance is the rule rather than the exception. CDK4/6 and PIM1 kinases are potential new therapeutic targets in RCC. Abemaciclib is a potent CDK4/6 and PIM1 kinase inhibitor, thus we evaluated the effects of abemaciclib on renal cell carcinoma. In vitro, abemaciclib causes decreased cellular viability, increased apoptosis, and alterations in autophagy in renal cell carcinoma cell lines. A pre-clinical mouse model of RCC shows abemaciclib in combination with sunitinib to cause dramatic reduction in tumor sizes without overt toxicity. Thus abemaciclib is active in renal cell carcinoma and should be evaluated in a clinical trial in combination with sunitinib. Additionally, CDK4/6 and PIM1 kinase appear to be viable clinical targets in renal cell carcinoma. PMID- 29221117 TI - Inhibition of chemerin/CMKLR1 axis in neuroblastoma cells reduces clonogenicity and cell viability in vitro and impairs tumor growth in vivo. AB - Pro-inflammatory cells, cytokines, and chemokines are essential in promoting a tumor supporting microenvironment. Chemerin is a chemotactic protein and a natural ligand for the receptors CMKLR1, GPR1, and CCRL2. The chemerin/CMKLR1 axis is involved in immunity and inflammation, and it has also been implicated in obesity and cancer. In neuroblastoma, a childhood tumor of the peripheral nervous system we identified correlations between high CMKLR1 and GPR1 expression and reduced overall survival probability. CMKLR1, GPR1, and chemerin RNA and protein were detected in neuroblastoma cell lines and neuroblastoma primary tumor tissue. Chemerin induced calcium mobilization, increased MMP-2 synthesis as well as MAP kinase- and Akt-mediated signaling in neuroblastoma cells. Stimulation of neuroblastoma cells with serum, TNFalpha or IL-1beta increased chemerin secretion. The small molecule CMKLR1 antagonist alpha-NETA reduced the clonogenicity and viability of neuroblastoma cell lines indicating the chemerin/CMKLR1 axis as a promoting factor in neuroblastoma tumorigenesis. Furthermore, nude mice carrying neuroblastoma SK-N-AS cells as xenografts showed impaired tumor growth when treated daily with alpha-NETA from day 1 after tumor cell injection. This study demonstrates the potential of the chemerin/CMKLR1 axis as a prognostic factor and possible therapeutic target in neuroblastoma. PMID- 29221118 TI - Lentinan dose dependence between immunoprophylaxis and promotion of the murine liver cancer. AB - Lentinan could exhibit significant biological activity favorable for human health and disease control such as the recovery of patients with liver cancer. In order to investigate the effect of lentinan dose dependence between immunoprophylaxis and promotion of cancer cell proliferation of the murine liver cancer, different concentrations of lentinan were prepared for the test in vitro (MTT assay) and in vivo (cumulative survival assay, spleen lymphocyte proliferation tests and peritoneal macrophage phagocytosis assays). New emerging proteins of the H22 cell incubated with lentinan was demonstrated by MS analysis and protein database searching. Lentinan was non-toxic for HL7702 cells but inhibited H22 cells proliferation obviously in a dose-dependent manner. In vivo, the proliferation of H22 hepatocarcinoma cells was inhibited by lentinan 0.4mg/kg body weight (L2, survival rate, 20%, PPP<0.01). Six proteins 60Sacidic ribosomal protein P2, Peroxiredoxin-2, Annexin A5, PDZ and LIM domain protein 1, Src substrate cortactin and Moesin were found as emerging proteins of the H22 cell incubated with high dose lentinan which related to cancer promotion closely. In conclusion, Thelentinan was relatively safe and could inhibit the proliferation of H22 cancer cells through immunity improvement when it's intake was in proper quantity. PMID- 29221119 TI - Analysis of NPM1 splice variants reveals differential expression patterns of prognostic value in acute myeloid leukemia. AB - Mutations of the nucleophosmin-1 (NPM1) gene in cytogenetically normal (CN) acute myeloid leukemia (AML) identify a group of patients with more favorable prognosis. NPM1 encodes three main alternatively spliced isoforms R1(B23.1), R2(B23.2), and R3(B23.3). The expression of splice variants R1, R2 and R3 were higher in AML patients compared to normal cells of healthy volunteers (HVs), although RNA-seq analysis revealed enhanced R2 expression also in less differentiated cells of HVs as well as in AML cells. The variant R2, which lacks exons 11 and 12 coding for the nucleolar localization domain, might behave similar to the mutant form of NPM1 (NPM1mut). In accordance, in CN-AML high R2 expression was associated with favorable impact on outcome. Moreover, functional studies showed nucleolar localization of the eGFP-NPM1 wildtype and cytoplasmic localization of the eGFP-NPM1 mut protein. While the eGFP-NPM1 R2 splice variant localized predominantly in the nucleoplasm, we also could detect cytoplasmic expression for the R2 variant. These results support a unique biological consequence of R2 overexpression and in part explain our clinical observation, where that high R2 variant expression was associated with a better prognosis in CN-AML patients. PMID- 29221120 TI - Gut microbial profile analysis by MiSeq sequencing of pancreatic carcinoma patients in China. AB - Pancreatic carcinoma (PC) is a lethal cancer. Gut microbiota is associated with some risk factors of PC, e.g. obesity and types II diabetes. However, the specific gut microbial profile in clinical PC in China has never been reported. This prospective study collected 85 PC and 57 matched healthy controls (HC) to analyze microbial characteristics by MiSeq sequencing. The results showed that gut microbial diversity was decreased in PC with an unique microbial profile, which partly attributed to its decrease of alpha diversity. Microbial alterations in PC featured by the increase of certain pathogens and lipopolysaccharides producing bacteria, and the decrease of probiotics and butyrate-producing bacteria. Microbial community in obstruction cases was separated from the un obstructed cases. Streptococcus was associated with the bile. Furthermore, 23 microbial functions e.g. Leucine and LPS biosynthesis were enriched, while 13 functions were reduced in PC. Importantly, based on 40 genera associated with PC, microbial markers achieves a high classification power with AUC of 0.842. In conclusion, gut microbial profile was unique in PC, providing a microbial marker for non-invasive PC diagnosis. PMID- 29221121 TI - Tropomyosin isoform Tpm2.1 regulates collective and amoeboid cell migration and cell aggregation in breast epithelial cells. AB - Metastasis dissemination is the result of various processes including cell migration and cell aggregation. These processes involve alterations in the expression and organization of cytoskeletal and adhesion proteins in tumor cells. Alterations in actin filaments and their binding partners are known to be key players in metastasis. Downregulation of specific tropomyosin (Tpm) isoforms is a common characteristic of transformed cells. In this study, we examined the role of Tpm2.1 in non-transformed MCF10A breast epithelial cells in cell migration and cell aggregation, because this isoform is downregulated in primary and metastatic breast cancer as well as various breast cancer cell lines. Downregulation of Tpm2.1 using siRNA or shRNA resulted in retardation of collective cell migration but increase in single cell migration and invasion. Loss of Tpm2.1 is associated with enhanced actomyosin contractility and increased expression of E-cadherin and beta-catenin. Furthermore, inhibition of Rho-associated kinase (ROCK) recovered collective cell migration in Tpm2.1-silenced cells. We also found that Tpm2.1 silenced cells formed more compacted spheroids and exhibited faster cell motility when spheroids were re-plated on 2D surfaces coated with fibronectin and collagen. When Tpm2.1 was downregulated, we observed a decrease in the level of AXL receptor tyrosine kinase, which may explain the increased levels of E cadherin and beta-catenin. These studies demonstrate that Tpm2.1 functions as an important regulator of cell migration and cell aggregation in breast epithelial cells. These findings suggest that downregulation of Tpm2.1 may play a critical role during tumor progression by facilitating the metastatic potential of tumor cells. PMID- 29221122 TI - Checkpoint kinase 1 inhibition sensitises transformed cells to dihydroorotate dehydrogenase inhibition. AB - Reduction in nucleotide pools through the inhibition of mitochondrial enzyme dihydroorotate dehydrogenase (DHODH) has been demonstrated to effectively reduce cancer cell proliferation and tumour growth. The current study sought to investigate whether this antiproliferative effect could be enhanced by combining Chk1 kinase inhibition. The pharmacological activity of DHODH inhibitor teriflunomide was more selective towards transformed mouse embryonic fibroblasts than their primary or immortalised counterparts, and this effect was amplified when cells were subsequently exposed to PF477736 Chk1 inhibitor. Flow cytometry analyses revealed substantial accumulations of cells in S and G2/M phases, followed by increased cytotoxicity which was characterised by caspase 3-dependent induction of cell death. Associating PF477736 with teriflunomide also significantly sensitised SUM159 and HCC1937 human triple negative breast cancer cell lines to dihydroorotate dehydrogenase inhibition. The main characteristic of this effect was the sustained accumulation of teriflunomide-induced DNA damage as cells displayed increased phospho serine 139 H2AX (gammaH2AX) levels and concentration-dependent phosphorylation of Chk1 on serine 345 upon exposure to the combination as compared with either inhibitor alone. Importantly a similar significant increase in cell death was observed upon dual siRNA mediated depletion of Chk1 and DHODH in both murine and human cancer cell models. Altogether these results suggest that combining DHODH and Chk1 inhibitions may be a strategy worth considering as a potential alternative to conventional chemotherapies. PMID- 29221124 TI - Production of Nalpha-acetyl Talpha1-HSA through in vitro acetylation by RimJ. AB - Thymosin alpha 1 (Talpha1) is an important immunomodulating agent with various clinical applications. The natural form of Talpha1 is Nalpha -acetylated, which was supposed to be related to in vivo stability of the hormone. In this study, fusion protein Talpha1-HSA was constructed and expressed in Pichia pastoris. RimJ, a Nalpha -acetyltransferase from E.coli, was also overexpressed and purified to homogeneity. In vitro acetylation of Talpha1-HSA in the presence of RimJ and acetyl coenzyme A resulted in Nalpha -acetyl Talpha1-HSA. The Nalpha acetylation was determined by LC-MS/MS. Kinetic assay indicated that RimJ had a higher affinity to desacetyl Talpha1 than to Talpha1-HSA. Bioactivity assay revealed fully retained activity of Talpha1 when the hormone was connected to the N-terminus of the fusion protein, while the activity was compromised in our previously constructed HSA-Talpha1. With fully retained activity and N-terminal acetylation, Nalpha -acetyl Talpha1-HSA was expected to be a more promising pharmaceutical agent than Talpha1. PMID- 29221123 TI - VEGF-induced intracellular Ca2+ oscillations are down-regulated and do not stimulate angiogenesis in breast cancer-derived endothelial colony forming cells. AB - Endothelial colony forming cells (ECFCs) represent a population of truly endothelial precursors that promote the angiogenic switch in solid tumors, such as breast cancer (BC). The intracellular Ca2+ toolkit, which drives the pro angiogenic response to VEGF, is remodelled in tumor-associated ECFCs such that they are seemingly insensitive to this growth factor. This feature could underlie the relative failure of anti-VEGF therapies in cancer patients. Herein, we investigated whether and how VEGF uses Ca2+ signalling to control angiogenesis in BC-derived ECFCs (BC-ECFCs). Although VEGFR-2 was normally expressed, VEGF failed to induce proliferation and in vitro tubulogenesis in BC-ECFCs. Likewise, VEGF did not trigger robust Ca2+ oscillations in these cells. Similar to normal cells, VEGF-induced intracellular Ca2+ oscillations were triggered by inositol-1,4,5 trisphosphate-dependent Ca2+ release from the endoplasmic reticulum (ER) and maintained by store-operated Ca2+ entry (SOCE). However, InsP3-dependent Ca2+ release was significantly lower in BC-ECFCs due to the down-regulation of ER Ca2+ levels, while there was no remarkable difference in the amplitude, pharmacological profile and molecular composition of SOCE. Thus, the attenuation of the pro-angiogenic Ca2+ response to VEGF was seemingly due to the reduction in ER Ca2+ concentration, which prevents VEGF from triggering robust intracellular Ca2+ oscillations. However, the pharmacological inhibition of SOCE prevented BC ECFC proliferation and in vitro tubulogenesis. These findings demonstrate for the first time that BC-ECFCs are insensitive to VEGF, which might explain at cellular and molecular levels the failure of anti-VEGF therapies in BC patients, and hint at SOCE as a novel molecular target for this disease. PMID- 29221125 TI - TCTN2: a novel tumor marker with oncogenic properties. AB - Tectonic family member 2 (TCTN2) encodes a transmembrane protein that belongs to the tectonic family, which is involved in ciliary functions. Previous studies have demonstrated the role of tectonics in regulating a variety of signaling pathways at the transition zone of cilia. However, the role of tectonics in cancer is still unclear. Here we identify that TCTN2 is overexpressed in colorectal, lung and ovary cancers. We show that different cancer cell lines express the protein that localizes at the plasma membrane, facing the intracellular milieu. TCTN2 over-expression in cancer cells resulted in an increased ability to form colonies in an anchorage independent way. On the other hand, downregulation of TCTN2 using targeted epigenetic editing in cancer cells significantly reduced colony formation, cell invasiveness, increased apoptosis and impaired assembly of primary cilia. Taken together, our results indicate that TCTN2 acts as an oncogene, making it an interesting cancer-associated protein and a potential candidate for therapeutic applications. PMID- 29221126 TI - The clinicopathological and prognostic significances of CDC73 expression in cancers: a bioinformatics analysis. AB - CDC73 interacts with human PAF1 complex, histone methyltransferase complex and RNA polymerase II for transcription elongation and 3' end processing. Its down regulated expression was immunohistochemically detected in gastric, colorectal, ovarian and head and neck cancers, and positively correlated with aggressive behaviors and unfavorable prognosis of malignancies. We performed a bioinformatics analysis by using Oncomine, TCGA and KM plotter databases. It was found that CDC73 mRNA was overexpressed in gastric, lung, breast and ovarian cancers, even stratified by histological subtypes (p<0.05). CDC73 mRNA expression was stronger in gastric intestinal- than diffuse-type carcinomas (p<0.05), and positively correlated with distant metastasis and TNM staging of lung cancer (p<0.05). CDC73 mRNA expression was positively related to both overall and progression-free survival rates of the patients with gastric cancer, even stratified by gender, lymph node involvement, or treatment (p<0.05), while versa for breast cancer (p<0.05). The prognostic significance of CDC73 mRNA was dependent on the datasets and pathological grouping in lung and ovarian cancers. These findings indicated the CDC73 mRNA overexpression was positively linked to carcinogenesis. It is cautious to employ CDC73 mRNA to evaluate the clinicopathological behaviors and prognosis of cancers. PMID- 29221127 TI - Long noncoding RNAs expression profile and functional networks in rheumatoid arthritis. AB - The modifying effects of long noncoding RNAs (lncRNAs) in rheumatoid arthritis (RA) recently have drawn much attention; however, the underlying mechanisms remain largely unknown. Herein, we aim to investigate the expression profile of lncRNAs in RA and identify promising targets for RA diagnosis and treatment. Microarray screening and real-time PCR of lncRNAs were performed by use of serum samples from 3 RA patients and 3 healthy controls. Significantly differentially expressed lncRNAs were verified in serum samples from 43 RA patients and 40 healthy controls by real-time PCR. We found that there were 73 up-regulated and 61 down-regulated lncRNAs as well as 128 up-regulated and 37 down-regulated mRNAs in serum samples of RA patients. Validation in RA clinical samples indicated 5 of these lncRNAs were significantly up-regulated including RNA143598, RNA143596, HIX0032090, IGHCgamma1, and XLOC_002730. Significant association was observed between these lncRNAs and the disease course, erythrocyte sedimentation rate (ESR), rheumatoid factor (RF) as well as anti-cyclic citrullinated peptide (anti CCP) antibody. Additionally, 55 of the differentially expressed mRNAs were associated with 41 lncRNAs and were involved in signaling pathways of toll like receptors (TLRs), nuclear factor-kappa B (NF-kappaB), and cytokine, especially the IRF3/IRF7 mediated signaling transduction. Our study firstly shows the specific profile of lncRNAs in the serum of RA patients and potential signaling pathways involved in RA pathogenesis, which may provide novel targets for the diagnosis and treatment of patients with RA. PMID- 29221128 TI - MYCN-amplified stage 2/3 neuroblastoma: excellent survival in the era of anti-GD2 immunotherapy. AB - High-risk neuroblastoma (HR-NB) includes MYCN-amplified stage 2/3, but reports covering anti-GD2 immunotherapy, which recently became standard for HR-NB, do not provide details on this subset. We now report on all 20 MYCN-amplified stage 2/3 patients who received induction chemotherapy at our center during the era of consolidation with anti-GD2 antibody 3F8/ granulocyte-macrophage colony stimulating factor (GM-CSF) (2000-2015). Early in this period, consolidation included autologous stem-cell transplantation (ASCT). Event-free survival (EFS) and overall survival (OS) were estimated using Kaplan-Meier analyses. With induction, 19/20 (95%) patients achieved complete/very good partial remission (CR/VGPR) but one had progressive disease with early death. One responder did not receive consolidation and died of relapse. Five-year post-diagnosis EFS/OS rates for all 20 patients were 72%/84%. The 18 CR/VGPR patients who received consolidation had EFS/OS 81%/94% at five years from starting 3F8/GM-CSF: 4/4 ASCT patients remained relapse-free, while 11/14 non-ASCT patients remained relapse free and two of the three relapsed patients achieved 2nd CR (consolidated by retreatment with 3F8/GM-CSF) and remained in 2nd CR at 36+ and 95+ months post relapse. The 14 non-ASCT patients had EFS/OS 73.5%/93% at five years from starting 3F8/GM-CSF. This subset appears to have a good prognosis with contemporary multi-modality therapy, possibly even without ASCT. PMID- 29221129 TI - Long non-coding RNA polymorphisms in 6p21.1 are associated with atrophic gastritis risk and gastric cancer prognosis. AB - It has been suggested that the genetic variation in human chromosome 6p21.1 has potential importance for the susceptibility to gastric cancer (GC). The study aims to explore the relationship between the long non-coding RNA (lncRNA) polymorphisms in 6p21.1 and the risk of GC as well as atrophic gastritis (AG). Genotyping for eight single nucleotide polymorphisms (SNPs) was conducted using Sequenom MassARRAY platform in a total of 2507 northern Chinese subjects, including 749 GC cases, 878 AG cases and 880 controls. The results showed rs61516247 was associated with an increased AG risk in overall population (AA vs. GG: P = 0.046, OR = 1.46; A vs. G: P = 0.037, OR = 1.18). Four SNPs, rs61516247, rs1886753, rs7747696 and rs7749023 were associated with AG risk in some specific subgroups. Among them, rs1886753 had an interaction effect with H.pylori infection on AG risk (Pinteraction = 0.038, OR = 1.62). In prognosis analysis, two SNPs, rs80112640 (AG+GG vs. AA: P = 0.047, HR = 0.56; G vs. A: P = 0.039, HR = 0.57) and rs72855279 (P = 0.043, HR = 0.57) were found to improve the overall survival of GC patients. In conclusion, lncRNA SNPs in 6p21.1 are associated with AG risk and GC prognosis. Our study provides all-new research clues for screening lncRNA-based biomarkers in the cancer-related hotspot region 6p21.1 with the potential to predict risk and prognosis of GC along with its precursor. PMID- 29221130 TI - Development and cytotoxic response of two proliferative MDA-MB-231 and non proliferative SUM1315 three-dimensional cell culture models of triple-negative basal-like breast cancer cell lines. AB - Triple-Negative Basal-Like tumors, representing 15 to 20% of breast cancers, are very aggressive and with poor prognosis. Targeted therapies have been developed extensively in preclinical and clinical studies to open the way for new treatment strategies. The present study has focused on developing 3D cell cultures from SUM1315 and MDA-MB-231, two triple-negative basal-like (TNBL) breast cancer cell lines, using the liquid overlay technique. Extracellular matrix concentration, cell density, proliferation, cell viability, topology and ultrastructure parameters were determined. The results showed that for both cell lines, the best conditioning regimen for compact and homogeneous spheroid formation was to use 1000 cells per well and 2% Geltrex(r). This conditioning regimen highlighted two 3D cell models: non-proliferative SUM1315 spheroids and proliferative MDA-MB-231 spheroids. In both cell lines, the comparison of 2D vs 3D cell culture viability in the presence of increasing concentrations of chemotherapeutic agents i.e. cisplatin, docetaxel and epirubicin, showed that spheroids were clearly less sensitive than monolayer cell cultures. Moreover, a proliferative or non proliferative 3D cell line property would enable determination of cytotoxic and/or cytostatic drug activity. 3D cell culture could be an excellent tool in addition to the arsenal of techniques currently used in preclinical studies. PMID- 29221131 TI - Hoxa5 increases mitochondrial apoptosis by inhibiting Akt/mTORC1/S6K1 pathway in mice white adipocytes. AB - Homeobox A5(Hoxa5), a member of the Hox family, plays a important role in the regulation of proliferation and apoptosis in cancer cells. The dysregulation of the adipocyte apoptosis in vivo leads to obesity and metabolic disorders. However, the effects of Hoxa5 on adipocyte apoptosis are still unknown. In this study, palmitic acid (PA) significantly increased the mRNA level of Hoxa5 and triggered white adipocyte apoptosis in vivo and in vitro. Further analysis revealed that Hoxa5 enhanced the early and late apoptotic cells and fragmentation of genomic DNA in adipocytes from inguinal white adipose tissue (iWAT) of mice. Moreover, Hoxa5 aggravated white adipocyte apoptosis through mitochondrial pathway rather than endoplasmic reticulum stress (ERS)-induced or death receptor (DR)-mediated pathway. Our data also confirmed that Hoxa5 promoted mitochondrial apoptosis pathway by elevating the transcription activity of Bax and inhibiting the protein kinase B (Akt)/mammalian target of rapamycin complex 1 (mTORC1) signaling pathway. In summary, these findings revealed a novel mechanism that linked Hoxa5 to white adipocyte apoptosis, which provided some potential possibilities to prevent and treat obesity and some metabolic diseases. PMID- 29221132 TI - Neuroprotection of Botch in experimental intracerebral hemorrhage in rats. AB - Notch1 maturation participates in apoptosis and inflammation following intracerebral hemorrhage (ICH). It has been reported that Botch bound to and blocked Notch1 maturation. Here we estimated the role of Botch in ICH-induced secondary brain injury and underlying mechanisms. Experimental ICH model was induced by autologous arterial blood injection in Sprague-Dawley rats, and cultured primary rat cortical neurons were exposed to oxyhemoglobin to mimic ICH in vitro. Specific small interfering RNAs and expression plasmids encoding wild type Botch and Botch with Glu115Ala mutation were exploited. The protein levels of Botch and Notch1 transmembrane intracellular domain (Notch1-TMIC) were increased within brain tissue around hematoma. Botch overexpression led to an increase in unprocessed Notch1 full-length form accompanied by a significant decrease in Notch1-TMIC, while Botch knockdown resulted in an approximately 1.5 fold increase in Notch1-TMIC. There were increased cell apoptosis, necrosis and neurobehavioral deficits after ICH, which was inhibited by Botch overexpression and enhanced by Botch knockdown. Double immunofluorescence showed a colocalization of Botch and Notch1 in the trans-Golgi. Overexpression of wild type Botch, but not Botch E115A mutant, led to an increase in the interaction between Botch and Notch1, reduced the formation and the nuclear localization of Notch1 intracellular domain, and attenuated cell apoptosis and inflammation. In conclusion, Botch exerts neuroprotection against neuronal damage via antagonizing the maturation of Notch1 in Glu115-denpendent manner. However, neuroprotection mediated by endogenous Botch is not enough to reverse ICH-induced secondary brain injury. PMID- 29221133 TI - Endogenous glutamine decrease is associated with pancreatic cancer progression. AB - Pancreatic ductal adenocarcinoma (PDAC) is becoming the second leading cause of cancer-related death in the Western world. The mortality is very high, which emphasizes the need to identify biomarkers for early detection. As glutamine metabolism alteration is a feature of PDAC, its in vivo evaluation may provide a useful tool for biomarker identification. Our aim was to identify a handy method to evaluate blood glutamine consumption in mouse models of PDAC. We quantified the in vitro glutamine uptake by Mass Spectrometry (MS) in tumor cell supernatants and showed that it was higher in PDAC compared to non-PDAC tumor and pancreatic control human cells. The increased glutamine uptake was paralleled by higher activity of most glutamine pathway-related enzymes supporting nucleotide and ATP production. Free glutamine blood levels were evaluated in orthotopic and spontaneous mouse models of PDAC and other pancreatic-related disorders by High Performance Liquid Chromatography (HPLC) and/or MS. Notably we observed a reduction of blood glutamine as much as the tumor progressed from pancreatic intraepithelial lesions to invasive PDAC, but was not related to chronic pancreatitis-associated inflammation or diabetes. In parallel the increased levels of branched-chain amino acids (BCAA) were observed. By contrast blood glutamine levels were stable in non-tumor bearing mice. These findings demonstrated that glutamine uptake is measurable both in vitro and in vivo. The higher in vitro avidity of PDAC cells corresponded to a lower blood glutamine level as soon as the tumor mass grew. The reduction in circulating glutamine represents a novel tool exploitable to implement other diagnostic or prognostic PDAC biomarkers. PMID- 29221135 TI - Silencing of BAG3 inhibits the epithelial-mesenchymal transition in human cervical cancer. AB - Bcl2-associated athanogene 3 (BAG3) has been reported to be involved in aggressive progression of many tumors. In the present study, we examined the expression of BAG3 in human cervical cancer (CC) tissues and investigated the role of BAG3 in SiHa and HeLa cell growth, migration, and invasion. Here, we found that most of CC tissues highly expressed the protein and mRNA of BAG3, while their expression was obviously lower in paired normal tissues (all p<0.001). BAG3 expression was associated with FIGO stage and metastasis (all p<0.05). In-vitro analysis demonstrated that BAG3 siRNAs inhibited SiHa and HeLa cell growth, invasion and migration. Mechanically, BAG3 siRNAs inhibited the expression of EMT-regulating markers, involving MMP2, Slug and N-cadherin, and increased the expression of E-cadherin. In a xenograft nude model, BAG3 siRNAs inhibited tumor growth and the expression of EMT biomarkers. In conclusion, BAG3 is involved in the EMT process, including cell growth, invasion and migration in the development of CC. Thus, BAG3 target might be recommended as a novel therapeutic approach. PMID- 29221134 TI - A tRNA fragment, tRF5-Glu, regulates BCAR3 expression and proliferation in ovarian cancer cells. AB - Ovarian cancer is a complex disease marked by tumor heterogeneity, which contributes to difficulties in diagnosis and treatment. New molecular targets and better molecular profiles defining subsets of patients are needed. tRNA fragments (tRFs) offer a recently identified group of noncoding RNAs that are often as abundant as microRNAs in cancer cells. Initially their presence in deep sequencing data sets was attributed to the breakdown of mature tRNAs, however, it is now clear that they are actively generated and function in multiple regulatory events. One such tRF, a 5' fragment of tRNA-Glu-CTC (tRF5-Glu), is processed from the mature tRNA-Glu and is shown in this study to be expressed in ovarian cancer cells. We confirmed that tRF5-Glu binds directly to a site in the 3'UTR of the Breast Cancer Anti-Estrogen Resistance 3 (BCAR3) mRNA thereby down regulating its expression. BCAR3 has not previously been studied in ovarian cancer cells and our studies demonstrate that inhibiting BCAR3 expression suppresses ovarian cancer cell proliferation. Furthermore, mimics of tRF5-Glu were found to inhibit proliferation of ovarian cancer cells. In summary, BCAR3 and tRF5-Glu contribute to the complex tumor heterogeneity of ovarian cancer cells and may provide new targets for therapeutic intervention. PMID- 29221136 TI - KIF3A and IL-4 are disease-specific biomarkers for psoriatic arthritis susceptibility. AB - To date, the genes associated with Psoriatic Arthritis (PsA) are principally involved in inflammation, immune response and epidermal differentiation, without any information about the relationship between disease and bone metabolism genes. Our work was focused on 5q31 locus, which contains several genetic variants significantly associated with PsA. The study involved 1526 subjects (500 PsA, 426 PsV, 600 controls). The region was evaluated by selecting and genotyping the SNPs of interest by Real Time PCR and direct sequencing. The results were subjected to biostatistic and bioinformatic analysis. The case-control study highlighted a significant association between KIF3A/IL-4 and PsA, but not with PsV (Psoriasis Vulgaris) patients. In addition, the haplotype analysis revealed two haplotypes significantly associated with PsA susceptibility. The Linkage Disequilibrium (LD) study showed the presence of a specific block in high LD within 132,692,628 132,737,638 bp of 5q31, giving additional evidence of specific association of the 5q31 region in PsA patients. Moreover, KIF3A expression was assessed by immunohistochemistry assays which showed a marked and significant difference of KIF3A expression between pathological and normal tissues. Our analysis described KIF3A and IL-4 as novel susceptibility genes for PsA, suggesting a clear implication of bone metabolism genes in the disease etiopathogenesis. PMID- 29221137 TI - EV20-Sap, a novel anti-HER-3 antibody-drug conjugate, displays promising antitumor activity in melanoma. AB - Melanoma is the most biologically aggressive skin cancer of well established constitutive and induced resistance to pharmacological treatment. Despite the recent progresses in immunotherapies, many advanced metastatic melanoma patients still face a significant mortality risk. The aggressive nature of this disease sustains an urgent need for more successful, effective drugs. HER-3 - one of the four member of the tyrosin kinase epidermal growth factor receptors (EGFRs) family- is frequently overexpressed in solid tumors, including melanoma. Moreover, up-regulation of HER-3 and its ligand NRGbeta-1 are associated with poor prognosis, thus suggesting this receptor as a suitable target for cancer therapy. Several monoclonal antibodies targeting HER-3 are currently available, but preliminary results from clinical testing of these agents reveal a modest efficacy. Thus, a substantial improvement over this immunotherapeutic approach could be offered by an anti-HER-3 based Antibody-Drug Conjugate (ADC). In the present paper, we describe the generation of an ADC obtained by coupling the HER 3 targeting antibody EV20 linked to the plant toxin Saporin (Sap). In vitro, this ADC displays a powerful, specific and target-dependent cytotoxic activity which correlates with the degree of expression and internalization of HER-3 on tumor cells. Furthermore, in a murine melanoma model, EV20-Sap treatment leads to a significant reduction of the number of pulmonary metastasis. PMID- 29221138 TI - Gas signaling molecule hydrogen sulfide attenuates doxorubicin-induced dilated cardiomyopathy. AB - Increasing evidence has revealed that hydrogen sulfide (H2S) has beneficial effects in the treatment of various cardiovascular diseases. However, whether H2S can attenuate the development of dilated cardiomyopathy (DCM) remains unclear. In this study, we generated a rat model of DCM induced by doxorubicin and investigated the protective effects of H2S against DCM. Cardiac structure and function were analyzed by two-dimensional echocardiography. Oxidative stress was evaluated by measuring malondialdehyde, superoxide dismutase, glutathione peroxidase and reactive oxygen species. Cardiomyocyte apoptosis was assessed by flow cytometry following Annexin V/PI staining. Our results showed that exogenous administration of H2S could improve left ventricular structure and function in DCM rats. H2S was found to suppress doxorubicin-induced oxidative stress by activating the Nrf2 pathway and upregulating the expression of antioxidant proteins NQO1 and GCLM. Moreover, H2S was also found to inhibit doxorubicin induced cardiomyocyte apoptosis by activating the PI3K/Akt signaling pathway. In conclusion, our study demonstrates that H2S protects against doxorubicin-induced DCM via attenuation of oxidative stress and apoptosis. PMID- 29221139 TI - Epstein-Barr virus in tumor-infiltrating B cells of myasthenia gravis thymoma: an innocent bystander or an autoimmunity mediator? AB - The thymus plays a key role in myasthenia gravis (MG), a B cell-mediated autoimmune disorder affecting neuromuscular junction. Most MG patients have thymic abnormalities, including hyperplasia and thymoma, a neoplasm of thymic epithelial cells. Epstein-Barr virus (EBV) is associated with autoimmune diseases and tumors. Recently, we showed EBV persistence and reactivation in hyperplastic MG thymuses, suggesting that EBV might contribute to intra-thymic B cell dysregulation in MG patients. Here, we investigated EBV involvement in thymoma associated MG, by searching for EBV markers in MG (n=26) and non-MG (n=14) thymomas. EBV DNA and EBV-encoded small nuclear RNA (EBER) 1 transcript were detected in 14/26 (53.8%) and 22/26 (84.6%) MG thymomas, and only in 3 of 14 (21.4%) non-MG thymomas. Latent EBNA2 and late gp350/220 lytic transcripts were undetectable in all, but one, thymomas, and early lytic BZLF1 transcript was absent in all samples, suggesting that early infection events and EBV reactivation were very rare in thymomas. EBER1 and 2-positive cells were detected in MG, but not in non-MG, thymomas, as well as cells expressing EBV latency proteins (EBNA1, LMP1, LMP2A), that were mainly of B cell phenotype, indicating EBV association with MG rather than with thymoma. Toll-like receptor (TLR) 3 transcriptional levels were higher in MG than non-MG thymomas and positively correlated with EBER1 levels, suggesting a role for EBERs in TLR3 activation. Our findings show that EBV is commonly present in thymoma-infiltrating B cells of myasthenic patients, indicating a contribution of EBV to B cell-mediated autoreactivity in MG associated with thymic tumor. PMID- 29221140 TI - Missing-in-metastasis B (MIM-B) combined with caveolin-1 promotes metastasis of hepatocellular carcinoma. AB - Background: Increasing amounts of evidence indicate that Missing in metastasis B (MIM-B) promotes cancer metastasis. Here, we sought to better understand the mechanism through which MIM-B promotes tumor metastasis in hepatocellular carcinoma (HCC). Methods: We performed confocal microscopy analysis to determine the distributions of MIM-B and caveolin-1 and conducted co-immunoprecipitation assays to detect the interactions between MIM-B and caveolin-1 in vitro. We performed transwell assays to analyze the invasive ability of HCC cells. Changes in the expression levels of key genes and some molecular makers were detected by immunohistochemistry and western blotting in HCC tissue samples. Results: We found that MIM-B co-localizes with caveolin-1 and demonstrated that MIM-B and caveolin-1 interact in vitro. Repressing MIM-B and caveolin-1 expression inhibited the epidermal growth factor receptor signaling pathway. We overexpressed MIM-B and caveolin-1 in Hep3B cells, which enhanced Hep3B cell invasiveness. Furthermore, MHCC97H cell invasiveness was significantly decreased in cells in which MIM-B and caveolin-1 expression was inhibited. Additionally, we found that MIM-B and caveolin-1 were expressed at higher levels in HCC tissues than in paired normal tissues. Moreover, HCC patients with MIM-B and caveolin-1 up-regulation experienced significantly worse outcomes than controls (P < 0.001), and HCC patients with high MIM-B and caveolin-1 expression levels often developed pulmonary metastasis (P < 0.001). Conclusions: MIM-B combined with caveolin-1 promotes metastasis of HCC, and elevated MIM-B and caveolin-1 expression levels are associated with a poor prognosis in HCC patients; therefore, MIM-B and caveolin-1 may represent novel targets for the diagnosis and treatment of HCC. PMID- 29221141 TI - Plasma-derived extracellular vesicle proteins as a source of biomarkers for lung adenocarcinoma. AB - Exosomes and other extracellular vesicles (EVs) have been implicated as mediators of intercellular communication. Their release into the circulation has the potential to inform about tumor status. In-depth proteomic characterization of plasma-derived EVs has been limited by challenges in isolating EVs from protein abundant biological fluids. We implemented a novel single-step density gradient flotation workflow for efficient and rapid isolation of highly enriched circulating EVs from plasma. Mass-spectrometry analysis of plasma EVs from subjects with lung adenocarcinoma and matched controls resulted in the identification of 640 proteins. A total of 108 proteins exhibited significant (p<0.05) differential expression in vesicle preparations derived from lung adenocarcinoma case plasmas compared to controls, of which 43 were also identified in EVs from lung adenocarcinoma cell lines. Four top performing EV associated proteins that distinguished adenocarcinoma cases from controls, SRGN, TPM3, THBS1 and HUWE1, yielded a combined area under the receiver operating characteristic curve (AUC) of 0.90 (95% CI = 0.76-1). Our findings support the potential of EV derived proteins as a source of biomarkers that complement other approaches for tumor assessment. PMID- 29221142 TI - D-4F increases microRNA-124a and reduces neuroinflammation in diabetic stroke rats. AB - D-4F is an apolipoprotein-A1 mimetic peptide that promotes anti-inflammatory effects. MicroRNA-124 is the most abundant brain-specific microRNA and has anti inflammatory effects. In this study, we investigated the therapeutic efficacy and mechanisms of D-4F treatment of stroke in type one diabetes mellitus (T1DM) rats. Male Wistar rats were induced with T1DM, subjected to embolic middle cerebral artery occlusion and treated with PBS or D-4F (1 mg/kg i.p.) at 2, 24 and 48 hours after stroke (n=8/group). A battery of function tests, brain blood barrier (BBB) integrity, white matter changes and microRNA expression were evaluated in vivo and in vitro. D-4F treatment in T1DM-stroke rats significantly improves functional outcome, decreases BBB leakage, increases tight junction protein expression, decreases white matter damage and inflammatory factor expression, while increasing anti-inflammatory M2 macrophage polarization in the ischemic brain. D-4F significantly increases microRNA-124a expression, and decreases matrix metalloproteinase-9, tumor necrosis factor-alpha and toll-like receptor-4 gene expression in the ischemic brain, and in primary cortical neuronal and microglial cultures. Inhibition of microRNA-124 in cultured primary cortical neurons and microglia attenuates D-4F induced anti-inflammatory effects and M2 macrophage polarization. D-4F treatment of T1DM-stroke increases microRNA-124 expression, promotes anti-inflammatory effects and M2 macrophage polarization, which may contribute to D-4F-induced improvement in neurological function, and BBB and white matter integrity. PMID- 29221143 TI - Impact of human mesenchymal stromal cells on antifungal host response against Aspergillus fumigatus. AB - Mesenchymal stromal cells (MSCs) are increasingly given as immunotherapy to hematopoietic stem cell transplant (HSCT) recipients with refractory graft-versus host disease (GvHD). Whereas the immunosuppressive properties of MSCs seem to be beneficial in GvHD, there is, at the same time, major concern that MSCs increase the risk for infection. We therefore investigated the interplay of human MSCs with Aspergillus fumigatus and the impact of MSCs on different arms of the anti Aspergillus host response in vitro. Although A. fumigatus hyphae increase mRNA levels of IL6 in MSCs, the extracellular availability of IL-6 and other pro inflammatory cytokines remains unaffected. Human MSCs are able to phagocyte Aspergillus conidia, but phagocytosis of conidia is not associated with an alteration of the cytokine production by MSCs. In addition, human MSCs do not affect activation and function of A. fumigatus specific CD4+ T cells, and MSCs do not negatively impact the oxidative burst activity of phagocytes. Our in vitro data indicate that administration of human MSCs is not associated with a negative impact on the host response against A. fumigatus and that the fungus does not stimulate MSCs to increase the release of those cytokines which play a central role in the pathophysiology of GvHD. PMID- 29221144 TI - UCP2 overexpression enhanced glycolysis via activation of PFKFB2 during skin cell transformation. AB - Uncoupling protein 2 (UCP2) is an inner mitochondrial membrane transporter which is often upregulated in human cancers. However, how this anion transporter affects tumorigenesis is not well understood. Using the skin cell transformation JB6 model, we demonstrated that UCP2 overexpression activated phosphofructokinase 2/fructose-2,6-bisphosphatase 2 (PFKFB2), a key regulator of glycolysis. In conjunction, upregulation of PFKFB2 expression correlated with elevated fructose 2,6-bisphosphate (Fru-2,6-P2) levels, 6-phosphofructo-1-kinase (PFK-1) activity, glucose uptake, and lactate production. Inhibiting PFKFB2 expression suppressed UCP2-mediated skin cell transformation, decreased cell proliferation, and enhanced mitochondrial respiration, while dampening aerobic glycolysis. The AKT signaling pathway was activated in the UCP2 overexpressed cells; furthermore, the activated AKT signaling contributed to the activation of PFKFB2. Whereas AKT inactivation blocked PFKFB2 activation, suggesting that AKT activation is an important step in PFKFB2 activation. Collectively, our data suggest that UCP2 is a critical regulator of cellular metabolism during cell transformation. Our data also demonstrate a potentially novel mechanism to understand UCP2's tumor promoting role, which is through the AKT-dependent activation of PFKFB2 and thereby, the metabolic shift to glycolysis (the Warburg effect). PMID- 29221146 TI - Swertiajaponin inhibits skin pigmentation by dual mechanisms to suppress tyrosinase. AB - Many skin-whitening compounds target tyrosinase because it catalyzes two rate limiting steps in melanin synthesis. Although many tyrosinase inhibitors are currently available for a skin-whitening purpose, undesirable adverse effects are also reported. Thus, numerous efforts have been made to develop safer tyrosinase inhibitors from natural products. In line with this, we tested fifty flavonoids, a group of naturally occurring antioxidants and metal chelators, and screened swertiajaponin as the strongest tyrosinase inhibitor in cell-free experiments. Swertiajaponin did not show cytotoxicity in B16F10, HaCat, and Hs27 cells and exhibited strong anti oxidative activity in experiments using the cell-free system and B16F10 cells. It markedly inhibited alphaMSH- or UVB-induced melanin accumulation in B16F10 cells and suppressed skin pigmentation in a human skin model. As underlying mechanisms, in silico and Lineweaver-Burk plot analyses exhibited that swertiajaponin may directly bind to and inhibit tyrosinase activity by forming multiple hydrogen bonds and hydrophobic interactions with the binding pocket of tyrosinase. In addition, western blotting results indicated that swertiajaponin inhibited oxidative stress-mediated MAPK/MITF signaling, leading to decrease in tyrosinase protein level. Together, swertiajaponin suppresses melanin accumulation by inhibiting both activity and protein expression levels of tyrosinase. Thus, it would be a novel additive for whitening cosmetics. PMID- 29221145 TI - Subependymal giant cell astrocytomas in Tuberous Sclerosis Complex have consistent TSC1/TSC2 biallelic inactivation, and no BRAF mutations. AB - Subependymal giant cell astrocytomas (SEGAs) are rare, low-grade glioneuronal brain tumors that occur almost exclusively in patients with tuberous sclerosis complex (TSC). Though histologically benign, SEGAs can lead to serious neurological complications, including hydrocephalus, intractable seizures and death. Previous studies in a limited number of SEGAs have provided evidence for a biallelic two-hit inactivation of either TSC1 or TSC2, resulting in constitutive activation of the mechanistic target of rapamycin complex 1 pathway. The activating BRAF V600E mutation is a common genetic alteration in low grade gliomas and glioneuronal tumors, and has been reported in SEGAs as well. In the present study, we assessed the prevalence of the BRAF V600E mutation in a large cohort of TSC related SEGAs (n=58 patients including 56 with clinical TSC) and found no evidence of either BRAF V600E or other mutations in BRAF. To confirm that these SEGAs fit the classic model of two hit TSC1 or TSC2 inactivation, we also performed massively parallel sequencing of these loci. Nineteen (19) of 34 (56%) samples had mutations in TSC2, 10 (29%) had mutations in TSC1, while 5 (15%) had no mutation identified in TSC1/TSC2. The majority of these samples had loss of heterozygosity in the same gene in which the mutation was identified. These results significantly extend previous studies, and in agreement with the Knudson two hit mechanism indicate that biallelic alterations in TSC2 and less commonly, TSC1 are consistently seen in SEGAs. PMID- 29221147 TI - Long noncoding RNA LINC00673 epigenetically suppresses KLF4 by interacting with EZH2 and DNMT1 in gastric cancer. AB - Long non-coding RNAs (lncRNAs), a variety of transcripts without protein coding ability, have recently been reported to play vital roles in gastric cancer (GC) development and progression. However, the biological role of long non-coding RNA LINC00673 in GC is not fully known. In the study, we found that LINC00673 expression was dramatically higher in gastric cancer tissues compared with adjacent normal tissues, and positively associated with lymph node metastasis, distant metastasis and TNM stage in patients. Higher LINC00673 expression predicted poor disease-free survival (DFS) and overall survival (OS) in GC patients. By univariate and multivariate Cox analysis, the results confirmed that higher LINC00673 expression was an independent risk factor of prognosis in patients. Knockdown of endogenous LINC00673 significantly inhibited cell proliferation, colony formation number, cell migration and invasion in GC. Furthermore, knockdown of endogenous LINC00673 reduced the expression levels of PCNA, CyclinD1 and CDK2 in GC cells. RNA immunoprecipitation (RIP) and chromatin immunoprecipitation (ChIP) proved that LINC00673 suppressed KLF4 expression by interacting with EZH2 and DNMT1 in GC cells. Moreover, we confirmed that LINC00673 promoted cell proliferation and invasion by partly repressing KLF4 expression in GC. Taken together, these results indicated that LINC00673 may be a prognostic biomarker and therapeutic target for GC patients. PMID- 29221148 TI - Differently expressed long noncoding RNAs and mRNAs in TK6 cells exposed to low dose hydroquinone. AB - Previous studies have shown that long noncoding RNAs (lncRNAs) were related to human carcinogenesis and might be designated as diagnosis and prognosis biomarkers. Hydroquinone (HQ), as one of the metabolites of benzene, was closely relevant to occupational benzene poisoning and occupational leukemia. Using high throughput sequencing technology, we investigated differences in lncRNA and mRNA expression profiles between experimental group (HQ 20 MUmol/L) and control group (PBS). Compared to control group, a total of 65 lncRNAs and 186 mRNAs were previously identified to be aberrantly expressed more than two fold change in experimental group. To validate the sequencing results, we selected 10 lncRNAs and 10 mRNAs for quantitative real-time PCR (qRT-PCR). Through GO annotation and KEGG pathway analysis, we obtained 3 mainly signaling pathways, including P53 signaling pathway, which plays an important role in tumorigenesis and progression. After that, 25 lncRNAs and 32 mRNAs formed the lncRNA-mRNA co expression network were implemented to play biological functions of the dysregulated lncRNAs transcripts by regulating gene expression. The lncRNAs target genes prediction provided a new idea for the study of lncRNAs. Finally, we have another important discovery, which is screened out 11 new lncRNAs without annotated. All these results uncovered that lncRNA and mRNA expression profiles in TK6 cells exposed to low dose HQ were different from control group, helping to further study the toxicity mechanisms of HQ and providing a new direction for the therapy of leukemia. PMID- 29221149 TI - Prediction on the risk population of idiosyncratic adverse reactions based on molecular docking with mutant proteins. AB - Idiosyncratic adverse drug reactions are drug reactions that occur rarely and unpredictably among the population. These reactions often occur after a drug is marketed, which means that they are strongly related to the genotype of the population. The prediction of such adverse reactions is a major challenge because of the lack of appropriate test models during the drug development process. In this study, we chose withdrawn drugs because the reasons why they were withdrawn and from which countries or regions is easily obtained. We selected Dilevalol and its chiral drug (Labetalol) as the investigatory drugs, as they have been withdrawn from a European market (Britain) because of serious hepatotoxicity. First, we searched for and obtained the Dilevalol-induced- liver-injury related protein, multidrug resistance protein 1 (MDR1), from the Comparative Toxicogenomics Database (CTD). Then, we searched and extracted 477 non-synonymous single nucleotide polymorphisms (nsSNP) on MDR1 in the dbSNP database. Second, we used the VarMod tool to predict the functional changes of MDR1 induced by these nsSNPs, from which we extracted the nsSNPs that significantly change the functions of this protein. Third, we built the three-dimensional structures of those variant proteins and used AutoDock to perform a docking study, choosing the best model to determine the sites of nsSNPs. Finally, we used the data from the 1000 Genomes Project to verify the dominant population distribution of the risk SNP. We applied the same strategy to the post-marketing drug-induced liver injury drugs to further test the feasibility of our method. PMID- 29221150 TI - Comparison of gross tumor volume of primary oesophageal cancer based on contrast enhanced three-dimensional, four-dimensional, and cone beam computed tomography. AB - Background: To explore motion information included in 3DCT, 4DCT and CBCT by comparing volumetric and positional differences of GTV. Results: Independent of tumor location, significant differences were observed among volumes [IGTV10 > (IGTVCBCT or IGTVMIP) > (GTV3D or GTV4D50)]. The underestimations or overestimations between IGTV10 and IGTVCBCT were larger than those between IGTV10 and IGTVMIP (p < 0.001-0.011; p < 0.001-0.023). For upper oesophageal tumors, GTV4D50/IGTVCBCT negatively correlated with motion vector (r = -0.756, p = 0.011). In AP direction, the centroid coordinates of IGTVCBCT differed from GTV3D, GTV4D50, IGTVMIP and IGTV10 (p = 0.006, 0.013, 0.038, and 0.010). For middle oesophageal tumors, IGTV10/IGTVCBCT positively correlated with motion vector (r = 0.695, p = 0.006). The centroid coordinates of IGTVCBCT differed from those of IGTV10 (p = 0.046) in AP direction. For distal oesophageal tumors, the centroid coordinates of IGTVCBCT showed significant differences to those of IGTVMIP (p = 0.042) in LR direction. For both middle and distal tumors, the degrees of associations of IGTV10 outside IGTVCBCT significantly correlated with the motion vector (r = 0.540, p = 0.046; r = 0.678, p = 0.031). Materials and Methods: Thirty-four oesophageal cancer patients underwent 3DCT, 4DCT and CBCT. GTV3D, GTV4D50, internal GTVMIP (IGTVMIP) and IGTVCBCT were delineated on 3DCT, 4DCT50, 4DCTMIP and CBCT. GTVs from 10 respiratory phases were combined to produce GTV10. Differences in volume, position for different targets, correlation between volume ratio and motion vector were evaluated. The motion vector was the spatial moving of the target centroid position. Conclusions: IGTVCBCT encompasses more motion information than GTV3D and GTV4D50 for upper oesophageal tumors, but slightly less than IGTV10 for middle and distal oesophageal tumors. IGTVCBCT incorporated similar motion information to IGTVMIP. However, motion information encompassed in CBCT and MIP cannot replace each other. PMID- 29221151 TI - Collagen I promotes hepatocellular carcinoma cell proliferation by regulating integrin beta1/FAK signaling pathway in nonalcoholic fatty liver. AB - Nonalcoholic fatty liver disease (NAFLD) has become a major risk factor for hepatocellular carcinoma (HCC) worldwide. However, the underlying mechanism remains insufficiently elucidated. The expression of Collagen I, an important component of extracellular matrix (ECM), was increased during the progression from simple steatosis to NASH. The purpose of this study was to investigate the role of Collagen I in NAFLD-related HCC. To study this, the decellularized liver matrix, which preserves the pathological changes of ECM, was prepared from the human fatty liver (FLM) and human normal liver (NLM). HepG2 cells cultured in FLM had a higher proliferation rate than those in NLM. SMMC-7721 and HepG2 cells cultured on Collagen I-coated plates grew faster than those on either Collagen IV or fibronectin-coated plates. This effect was dose-dependent and associated with elevated integrin beta1 expression and activation of downstream phospho-FAK. Knocking down the expression of integrin beta1 significantly decreased the proliferation of HCC cells. Additionally, an orthotopic tumor model was established in NAFLD mice at different stages. The over-expressed Collagen I in the mice liver increased the expression of integrin beta1 and downstream phospho FAK, resulting in the proliferation of HCC cells. This proliferation could be inhibited by blocking the integrin beta1/FAK pathway. In summary, our study demonstrated that Collagen I promoted HCC cell proliferation by regulating the integrin beta1/FAK pathway. Decellularized liver matrix can be used as a platform to three-dimensionally culture HCC cells and reproduce the impact of changed ECM on the progression of NAFLD-related HCC. PMID- 29221152 TI - Distal embolization versus combined embolization techniques for blunt splenic injuries: comparison of the efficacy and complications. AB - Comparable failure rates of distal or proximal transcatheter arterial embolization (TAE) techniques for blunt splenic injuries have been reported. This study is to investigate the efficacy and complication of combining both TAE techniques. We included 26 patients of blunt splenic injuries for TAE therapy and randomized them into distal TAE and combined TAE groups. A prospective study was performed to compare their demographics, clinical parameters, hemograms, post-TAE splenic infarct volumes, splenic abscess and pancreatitis between the two groups. Of 26 patients, 17 received distal TAE, 9 received combined TAE. Their basic demographics, clinical parameters and hemograms did not differ. Mean systolic blood pressure of all patients was significantly elevated after TAE at 24 hours later. Three patients of distal TAE group had residual pseudoaneurysms in follow up. They were considered failures in distal TAE group as opposed to all successes in combined TAE group. The risk difference of failure of distal TAE was 17.6%. None developed post-TAE splenic abscess, massive splenic infarct or pancreatitis. The mean splenic infarct volume of distal TAE (10.9%) versus combined TAE groups (6.6%) was not significant (p = 0.481). Combined TAE is effective and safe to decrease the failure rates of non-operative management for blunt splenic injuries. PMID- 29221153 TI - [68Ga]pentixafor for CXCR4 imaging in a PC-3 prostate cancer xenograft model - comparison with [18F]FDG PET/CT, MRI and ex vivo receptor expression. AB - Purpose: The aim was to characterize the properties of [68Ga]Pentixafor as tracer for prostate cancer imaging in a PC-3 prostate cancer xenograft mouse model and to investigate its correlation with [18F]FDG PET/CT, magnetic resonance imaging (MRI) and ex vivo analyses. Methods: Static [68Ga]Pentixafor and [18F]FDG PET as well as morphological/ diffusion weighted MRI and 1H MR spectroscopy was performed. Imaging data were correlated with ex vivo biodistribution and CXCR4 expression in PC-3 tumors (immunohistochemistry (IHC), mRNA analysis). Flow cytometry was performed for evaluation of localization of CXCR4 receptors (in vitro PC-3 cell experiments). Results: Tumor uptake of [68Ga]Pentixafor was significantly lower compared to [18F]FDG. Ex vivo CXCR4 mRNA expression of tumors was shown by PCR. Only faint tumor CXCR4 expression was shown by IHC (immuno reactive score of 3). Accordingly, flow cytometry of PC-3 cells revealed only a faint signal, cell membrane permeabilisation showed a slight signal increase. There was no significant correlation of [68Ga]Pentixafor tumor uptake and ex vivo receptor expression. Spectroscopy showed typical spectra of prostate cancer. Conclusion: PC-3 tumor uptake of [68Ga]Pentixafor was existent but lower compared to [18F]FDG. No significant correlation of ex vivo tumor CXCR4 receptor expression and [68Ga]Pentixafor tumor uptake was shown. CXCR4 receptor expression on the surface of PC-3 cells was existent but rather low possibly explaining the limited [68Ga]Pentixafor tumor uptake; receptor localization in the interior of PC-3 cells is presumable as shown by cell membrane permeabilisation. Further studies are necessary to define the role of [68Ga]Pentixafor in prostate cancer imaging. PMID- 29221154 TI - Expression of ganglioside GD2, reprogram the lipid metabolism and EMT phenotype in bladder cancer. AB - High-grade Bladder Cancer (BLCA) represents the most aggressive and treatment resistant cancer that renders the patients with poor survival. However, only a few biomarkers have been identified for the detection and treatment of BLCA. Recent studies show that ganglioside GD2 can be used as cancer biomarker and/or therapeutic target for various cancers. Despite its potential relevance in cancer diagnosis and therapeutics, the role of GD2 is unknown in BLCA. Here, we report for the first time that high-grade BLCA tissues and cell lines have higher expression of GD2 compared to low-grade by high-resolution Mass Spectrometry. The muscle invasive UMUC3 cell line showed high GD2, mesenchymal phenotype, and cell proliferation. Besides, we have shown the cancer stem cells (CSC) property (CD44hiCD24lo) of GD2+ UMUC3 and J82 cells. Also, the evaluation of lipid metabolism in GD2+ BLCA cell lines revealed higher levels of Phosphatidylinositol (PI), Phosphatidic acid (PA), Cardiolipin (CL) and lower levels of Phosphatidylserine (PS), plasmenyl-phosphatidylethanolamines (pPE), plasmenyl phosphocholines (pPC), sphingomyelins (SM), triglycerides (TGs) and N Acetylneuraminic acid. These findings are significantly correlated with the tissues of BLCA patients. Based on this evidence, we propose that GD2 may be used as an effective diagnostic and therapeutic target for aggressive BLCA. PMID- 29221155 TI - CD109 released from human bone marrow mesenchymal stem cells attenuates TGF-beta induced epithelial to mesenchymal transition and stemness of squamous cell carcinoma. AB - Although there is increasing evidence that human bone marrow mesenchymal stem cells (hBM-MSCs) play an important role in cancer progression, the underlying mechanisms are poorly understood. Transforming growth factor beta (TGF-beta) is an important pro-metastatic cytokine. We have previously shown that CD109, a glycosylphosphatidylinositol-anchored protein, is a TGF-beta co-receptor and a strong inhibitor of TGF-beta signalling. Moreover, CD109 can be released from the cell surface. In the current study, we examined whether hBM-MSCs regulate the malignant properties of squamous cell carcinoma cells, and whether CD109 plays a role in mediating the effect of hBM-MSCs on cancer cells. Here we show that hBM MSC-conditioned medium decreases proliferation and induces apoptosis in human squamous carcinoma cell lines, A431 and FaDu. Importantly, hBM-MSC-conditioned medium markedly suppresses markers of epithelial-to-mesenchymal transition and stemness, and concomitantly decreases cell migration, invasion, and spheroid formation in A431 and FaDu cells. In addition, knockdown of CD109 in hBM-MSCs abrogates the anti-malignant activity of hBM-MSC-conditioned medium on A431 and FaDu cells. Furthermore, overexpression of CD109 in A431 cells decreases their malignant traits. Together, our findings suggest that hBM-MSCs inhibit the malignant traits of squamous cell carcinoma cells by a paracrine effect via released factors and that CD109 released from hBM-MSCs, at least partially, mediates these effects. PMID- 29221156 TI - The protective role of sphingosine-1-phosphate against the action of the vascular disrupting agent combretastatin A-4 3-O-phosphate. AB - Solid tumours vary in sensitivity to the vascular disrupting agent combretastatin A-4 3-O-phosphate (CA4P), but underlying factors are poorly understood. The signaling sphingolipid, sphingosine-1-phosphate (S1P), promotes vascular barrier integrity by promoting assembly of VE-cadherin/beta-catenin complexes. We tested the hypothesis that tumour pre-treatment with S1P would render tumours less susceptible to CA4P. S1P (1MUM) pretreatment attenuated an increase in endothelial cell (HUVEC) monolayer permeability induced by 10MUM CA4P. Intravenously administered S1P (8mg/kg/hr for 20 minutes then 2mg/kg/hr for 40 minutes), reduced CA4P-induced (30mg/kg) blood flow shut-down in fibrosarcoma tumours in SCID mice (n>=7 per group), as measured by tumour retention of an intravenously administered fluorescent lectin. A trend towards in vivo protection was also found using laser Doppler flowmetry. Immunohistochemical staining of tumours ex vivo revealed disrupted patterns of VE-cadherin in vasculature of mice treated with CA4P, which were decreased by pretreatment with S1P. S1P treatment also stabilized N-cadherin junctions between endothelial cells and smooth muscle cells in culture, and stabilized tubulin filaments in HUVEC monolayers. We conclude that the rapid shutdown of tumour microvasculature by CA4P is due in part to disruption of adherens junctions and that S1P has a protective effect on both adherens junctions and the endothelial cell cytoskeleton. PMID- 29221157 TI - High PTPN13 expression in high grade serous ovarian carcinoma is associated with a better patient outcome. AB - Background: Chromosome 4q loss of heterozygosity (LOH) is frequently observed in high-grade serous ovarian carcinoma (HGSOC). However, this LOH has not been clearly associated with the inactivation of any tumor suppressor gene(s). As the tumor suppressor gene PTPN13 is located on chromosome 4q21, we investigated its expression in HGSOC. Methods: PTPN13 protein expression was investigated by immunohistochemistry (IHC) in normal ovary epithelium and in 30 HGSOC samples, whereas PTPN13 mRNA expression was quantified by RT-PCR in another independent cohort of 28 HGSOC samples. Patients in both cohorts were followed for more than 8.5 years. Results: PTPN13 protein expression was lower in one third of HGSOC samples compared with normal ovary epithelium. In both cohorts, high PTPN13 expression level (mRNA or protein) in the tumor was associated with favorable outcome and significantly longer survival (HR=0.27; p=0.0087 and HR=0.42; p=0.03, respectively). Conclusion: This study demonstrates, for the first time, that high PTPN13 expression level is a prognostic indicator of favorable outcome in patients with HGSOC. This finding, in conjunction with our previous mechanistic studies, suggests that PTPN13 loss, possibly by 4q LOH, enhances HGSOC aggressiveness and highlight the interest of studying PTPN13 signaling in HGSOC to identify new potential therapeutic targets. PMID- 29221158 TI - Epigenetic silencing of miR-296 and miR-512 ensures hTERT dependent apoptosis protection and telomere maintenance in basal-type breast cancer cells. AB - The catalytic subunit of the telomerase complex, hTERT, ensures unlimited proliferative potential of cancer cells by maintaining telomere function and protecting from apoptosis. Using a miRNA screening approach we identified miR-296 5p and miR-512-5p as miRNAs that target hTERT in breast cancer cells. Ectopic miR 296-5p and miR-512-5p reduce telomerase activity, drive telomere shortening and cause proliferation defects by enhancing senescence and apoptosis in breast cancer cells. In line with the relevance of hTERT expression for human cancer we found that miR-296-5p and miR-512-5p expression is reduced in human breast cancer. Accordingly, high expression of miR-296-5p and miR-512-5p target genes including hTERT is linked with significantly reduced distant metastasis free survival and relapse free survival of basal type breast cancer patients. This suggests relevance of the identified miRNAs in basal type breast cancer. Epigenetic silencing of miR-296 and miR-512 encoding genes is responsible for low levels of miR-296-5p and miR-512-5p expression in basal type breast cancer cells. Disrupting gene silencing results in a dramatic upregulation of miR-296-5p and miR-512-5p levels leading to reduced hTERT expression and increased sensitivity to the induction of apoptosis. Altogether, our data suggest that epigenetic regulatory circuits in basal type breast cancer may contribute to high hTERT levels by silencing miR-296-5p and miR-512-5p expression, thereby contributing to the aggressiveness of basal type breast cancer. PMID- 29221159 TI - Melatonin suppresses fibrotic responses induced by cigarette smoke via downregulation of TGF-beta1. AB - Cigarette smoke (CS) is the most important risk factor in the development of chronic obstructive pulmonary disease (COPD). Pulmonary fibrosis is an irreversible response and important feature of COPD. In this study, we investigated the effects of melatonin on fibrotic response in development of COPD using a CS and lipopolysaccharide (LPS) induced COPD model and cigarette smoke condensate (CSC)-stimulated NCI-H292 cells, a human mucoepidermoid cell line. Mice were exposed to CS for 1 h per day (8 cigarettes per day) from day 1 to day 7 and were treated intranasally with LPS on day 4. Melatonin (10 or 20 mg/kg) was injected intraperitoneally 1 h before CS exposure. Melatonin decreased the inflammatory cell counts in bronchoalveolar lavage fluid (BALF), with a reduction in transforming growth factor (TGF)-beta1. Melatonin inhibited the expression of TGF-beta1, collagen I and SMAD3 phosphorylation in lung tissue exposed to CS and LPS. In CSC-stimulated H292 cells, melatonin suppressed the elevated expression of fibrotic mediators induced by CSC treatment. Melatonin reduced the expression of TGF-beta1, collagen I, SMAD3 and p38 phosphorylation in CSC-stimulated H292 cells. In addition, cotreatment with melatonin and TGF-beta1 inhibitors significantly limited fibrotic mediators, with greater reductions in the expression of TGF-beta1, collagen I, SMAD3 and p38 phosphorylation than those of H292 cells treated with TGF-beta1 inhibitor alone. Taken together, melatonin effectively inhibited fibrotic responses induced by CS and LPS exposure, which was related to the downregulation of TGF-beta1. Therefore, our results suggest that melatonin may suppress the pulmonary fibrotic response induced by CS. PMID- 29221160 TI - Circular RNA profile indicates circular RNA VRK1 is negatively related with breast cancer stem cells. AB - Circular RNAs (circRNAs), a novel type of noncoding RNAs (ncRNAs), have been shown to be implicated in biological processes including cancer as gene expression regulators. However, the roles of circRNAs in cancer stem cells (CSCs) have been unexplored. In the present study, we screened the circRNA profile in breast cancer stem cells (BCSCs) using RNA-Sequencing. Here, 27 circRNAs were found to be aberrantly expressed. Of these, 19 circRNAs were downregulated and 8 were upregulated and some of these circRNAs were validated by Q-PCR. Furthermore, we constructed the circRNA/miRNA network by bioinformatics approaches and hypothesized that circRNAs might be involved in stemness of BCSCs via serving as miRNA sponges. Importantly, we found that circular RNA VRK1 (circVRK1) could suppress BCSC's expansion and self-renewal capacity. Collectively, the present work provides the first reported evidence of the circRNA profile and circRNA/miRNA interplay in BCSCs. In addition, these findings lay foundation to explore the functions of circRNAs in CSCs and indicate that circVRK1 might be a promising target for BCSCs. PMID- 29221161 TI - Piriform cortical glutamatergic and GABAergic neurons express coordinated plasticity for whisker-induced odor recall. AB - Neural plasticity occurs in learning and memory. Coordinated plasticity at glutamatergic and GABAergic neurons during memory formation remains elusive, which we investigate in a mouse model of associative learning by cellular imaging and electrophysiology. Paired odor and whisker stimulations lead to whisker induced olfaction response. In mice that express this cross-modal memory, the neurons in the piriform cortex are recruited to encode newly acquired whisker signal alongside innate odor signal, and their response patterns to these associated signals are different. There are emerged synaptic innervations from barrel cortical neurons to piriform cortical neurons from these mice. These results indicate the recruitment of associative memory cells in the piriform cortex after associative memory. In terms of the structural and functional plasticity at these associative memory cells in the piriform cortex, glutamatergic neurons and synapses are upregulated, GABAergic neurons and synapses are downregulated as well as their mutual innervations are refined in the coordinated manner. Therefore, the associated activations of sensory cortices triggered by their input signals induce the formation of their mutual synapse innervations, the recruitment of associative memory cells and the coordinated plasticity between the GABAergic and glutamatergic neurons, which work for associative memory cells to encode cross-modal associated signals in their integration, associative storage and distinguishable retrieval. PMID- 29221162 TI - Caveolin-1-mediated STAT3 activation determines electrotaxis of human lung cancer cells. AB - Migration of cancer cells leads to the invasion of distant organs by primary tumors. Further, endogenous electric fields (EFs) in the tumor microenvironment direct the migration of lung cancer cells by a process referred to as electrotaxis - although the precise mechanism remains unclear. Caveolin-1 (Cav-1) is a multifunctional scaffolding protein that is associated with directional cell migration and lung cancer invasion; however, its precise role in lung cancer electrotaxis is unknown. In the present study, we first detected outward electric currents on the tumor body surface in lung cancer xenografts using a highly sensitive vibrating probe. Next, we found that highly-metastatic H1650-M3 cells migrated directionally to the cathode. In addition, reversal of the EF polarity reversed the direction of migration. Mechanistically, EFs activated Cav-1 and the downstream signaling molecule STAT3. RNA interference of Cav-1 reduced directional cell migration, which was accompanied by dampened STAT3 activation. Furthermore, pharmacological inhibition of STAT3 significantly reduced the electrotactic response, while rescue of STAT3 activation in Cav-1 knock-down cells restored electrotaxis. Taken together, these results suggest that endogenous EFs in the tumor micro-environment might play an important role in lung cancer metastasis by guiding cell migration through a Cav-1/STAT3-mediated signaling pathway. PMID- 29221163 TI - Association of miR-21, miR-126 and miR-605 gene polymorphisms with ischemic stroke risk. AB - We investigated whether three common microRNA polymorphisms (miR-21T>C [rs1292037], miR-126G>A [rs4636297] and miR-605T>C [rs2043556]) were associated with ischemic stroke (IS) risk in a Chinese population. The study population comprised 592 ischemic stroke patients and 456 normal controls. The polymorphisms were measured using Snapshot SNP genotyping assays and confirmed by sequencing. Relative expressions of miR-21, miR-126 and miR-605 were measured by quantitative real-time PCR. We found that miR-126 gene rs4636297 polymorphism was associated with decreased ischemic stroke risk (GA vs. GG: AOR=0.64, adjust P=0.025; AA vs. GG: AOR=0.32, adjust P=0.007; dominant model: AOR=0.58, adjust P=0.004). MiR-21 gene rs1292037 and miR-605 gene rs2043556 polymorphisms were not associated with ischemic stroke risk. In addition, compared with normal controls, serum miR-126 level was significantly decreased in ischemic stroke patients, while the miR-21 level was significantly increased. Importantly, patients carrying rs4636297 GA/AA genotypes had higher serum miR-126 level (P<0.05). MiR-126 gene rs4636297 polymorphism and serum miR-126/-21 levels are associated with ischemic stroke risk. Our data indicates that miR-126 and miR-21 play roles in the development of ischemic stroke. PMID- 29221164 TI - Inhibition of X-linked inhibitor of apoptosis protein suppresses tumorigenesis and enhances chemosensitivity in anaplastic thyroid carcinoma. AB - Anaplastic thyroid carcinoma (ATC) is one of the most lethal carcinoma with a poor prognosis; however, molecular mechanisms underlying the aggressiveness of ATC remain unclear. Our goal was to examine the expression of X-linked inhibitor of apoptosis protein (XIAP) in ATC, as well as its role in ATC tumorigenesis. This is a retrospective study of ATC patients from the Second Affiliated Hospital of Harbin Medical University during June 2003 to October 2013. The expression of XIAP in tumor specimens of ATC patients was examined by immunohistochemical staining. The roles of XIAP in proliferation, migration, invasion, and chemoresistance were investigated by shRNA mediated-knockdown of XIAP in human ATC cell lines. The effect of XIAP on tumorigenesis was evaluated using a xenograft tumor model with nude mice. XIAP expression was significantly higher in the invasive area of ATC samples, whereas XIAP expression was negative in either normal thyroid follicular epithelial cells or the differentiated papillary thyroid carcinoma. XIAP-depleted ATC cells showed a remarkable decrease in the proliferation, migration, and invasion compared with the scramble group. Knockdown of XIAP expression significantly enhanced the chemosensitivity of WRO and SW1736 cells to docetaxel or taxane. Moreover, knockdown of XIAP significantly suppressed ATC tumorigenesis in vivo. XIAP is highly expressed in ATC cells and tumors. XIAP play important roles in tumor behaviors and chemosensitivity of ATC cells. XIAP may function in ATC aggressiveness and may serve as a potential therapeutic target for ATC treatment. PMID- 29221165 TI - Angiogenesis in adenosquamous cancer of pancreas. AB - Adenosquamous carcinoma of the pancreas (ASCP) is an uncommon variant of exocrine pancreatic malignancies, characterized by a histological admixture of adenomatous and squamous cell elements. This cancer is characterized by a poorly differentiated histology and a poorer clinical outcome compared to pancreatic ductal adenocarcinoma (PDAC). Unlike PDAC, that is characterized by a low microvascular density (MVD) and collapsed vasculature, no data are available about angiogenesis in ASPC. Immunohistochemical evaluation of MVD and trypatse positive mast cells (MCs) were performed on a single case of ASCP compared to PDAC. Moreover, the levels of angiopoietin-1 and -2 (Ang-1, Ang-2), receptor tyrosine kinase with immunoglobulin and epidermal growth factor homology domain-2 (Tie-2), vascular endothelial growth factor A (VEGFA), hypoxia-inducible factor 1 alpha (HIF1A), miR-21-5p, miR-181a-5p, miR-122-5p, and miR-27a-3p were evaluated by real-time PCR. Higher number of tryptase-positive MCs and MVD are observed in the ASCP case compared to PDAC one. Lower levels of miR-122-5p and higher expression of VEGFA, HIF1A and Ang-2 genes were observed in ASCP. Furthermore, lower Ang-1 and Tie-2 transcript levels and higher increases of miR-21-5p, miR27a 3p and miR-181a-5p levels were found in the rarest form of pancreatic carcinoma. Our data demonstrate an important angiogenic activity in ASCP with a putative role of miR-21-5p, miR-181a-5p, miR-122-5p and miR-27a-3p in the regulation of this process. PMID- 29221166 TI - High salt induced hypertension leads to cognitive defect. AB - Although increasing evidences suggest a relationship between hypertension and brain function for years, it is still unclear whether hypertension constitutes a risk factor for cognitive decline and its underlying mechanism. In the present study, an experimental animal model of hypertension simply by feeding rats with high salt diet was employed. We found that long-term high salt intake caused a marked increase of systolic blood pressure linked to a declined regional cerebral blood flow. Fear conditioning and morris water maze behavioral test revealed that high salt diet induced hippocampal dependent spatial reference memory deficits, while a decreased synaptogenesis without neuronal loss in hippocampus was observed in high salt treated rats. Furthermore, we found that high salt induced a decrease of intracellular calcium, which inactivated CaMK II and resulted in dephosphorylation of CREB at Ser133. These findings suggest a novel etiopathogenic mechanism of cognitive deficit induced by hypertension, which is initiated by high salt diet. PMID- 29221167 TI - Aggressiveness pattern and second primary tumor risk associated with basaloid squamous cell carcinoma of the larynx. AB - Basaloid squamous cell carcinoma (BSCC) is a rare, aggressive and distinct variant of squamous cell carcinoma (SCC) of the upper respiratory and digestive tract. We have evaluated disease specific survival (DSS) and overall survival (OS) through Kaplan-Meier method and mortality risk through univariate statistical analysis of Cox in 42 cases of BSCC and other 42 of laryngeal SCC (LSCC) matched for both age and sex. We demonstrated that laryngeal BSCC is a more aggressive tumor than LSCC as is associated to higher nodal recurrence of pathology (5 vs 2 patients, overall risk, OR 2.7), a reduced survival (median survival 34 vs 40 months, OR 3.2 for mortality); in addition, basaloid patients have a higher risk to be affected by second primary tumors (13 vs 3 patients, OR 5.8) and a higher probability to die for this second tumor (Hazard Risk, HR 4.4). The analysis of survival shows an increased mortality risk concurrent with the parameters assessed by univariate analyses that assume a predictive and statistical significance in second tumor and grading in basaloid LSSC. PMID- 29221168 TI - Diagnosis, prognosis and bioinformatics analysis of lncRNAs in hepatocellular carcinoma. AB - This study aims to comprehensively analyze the diagnosis and prognosis of lncRNAs in hepatocellular carcinoma (HCC). From the Gene Expression Omnibus database, we screened out and analyzed the differently expressed lncRNAs and related mRNAs using bioinformatics methods. The expressions of lncRNAs were validated in tumor tissues, cell lines and the Cancer Genome Atlas database. At the same time, we also conducted an exploratory analysis on the diagnostic and prognostic ability of lncRNAs in HCC. In this study, we found that most of the targeted mRNAs promote the biological process of cell division, cellular component of nucleoplasm, molecular function of protein binding, which were significantly associated with 12 KEGG pathways. LncRNA CRNDE and LINC01419 also had significant diagnostic value in HCC. In particular, the sensitivity, specificity and area under the curve of CRNDE were 71.0%, 87.1% and 0.701 (95% CI: 0.543-0.860), respectively. In addition, the high expression of CRNDE and GBAP1 predicated poor prognosis, while the high expression of LINC01093 suggested the opposite outcome. Through the comprehensive analysis of lncRNAs, it provided an important reference for the early diagnosis, prognosis evaluation, pathogenesis and targeted therapy of HCC. PMID- 29221169 TI - Targeting PP2A activates AMPK signaling to inhibit colorectal cancer cells. AB - LB-100 is a novel PP2A inhibitor. Its activity in human colorectal cancer (CRC) cells was tested. The in vitro studies demonstrated that LB-100 inhibited survival and proliferation of both established CRC cells (HCT-116 and HT-29 lines) and primary human colon cancer cells. Further, LB-100 activated apoptosis and induced G1-S cell cycle arrest in CRC cells. LB-100 inhibited PP2A activity and activated AMPK signaling in CRC cells. AMPKalpha1 dominant negative mutation, shRNA-mediated knockdown or complete knockout (by CRISPR/Cas9 method) largely attenuated LB-100-induced AMPK activation and HCT-116 cytotoxicity. Notably, microRNA-17-92-mediated silence of PP2A (regulatory B subunit) also activated AMPK and induced HCT-116 cell death. Such effects were again largely attenuated by AMPKalpha mutation, silence or complete knockout. In vivo studies showed that intraperitoneal injection of LB-100 inhibited HCT-116 xenograft growth in nude mice. Its anti-tumor activity was largely compromised against HCT-116 tumors derived from AMPKalpha1-knockout cells. We conclude that targeting PP2A by LB-100 and microRNA-17-92 activates AMPK signaling to inhibit CRC cells. PMID- 29221170 TI - Proteoglycan-targeting applied to hypoxia-activated prodrug therapy in chondrosarcoma: first proof-of-concept. AB - Due to its abundant chondrogenic matrix and hypoxic tissue, chondrosarcoma is chemo- and radio-resistant. Our group has developed a proteoglycan targeting strategy by using a quaternary ammonium (QA) function as a carrier of DNA alkylating agents to chondrosarcoma environment. Here, we assessed the relevance of this strategy applied to hypoxia-activated prodrugs, by conjugating a QA to 2 nitroimidazole phosphoramidate. This derivative, named as 8-QA, was evaluated respectively to its non-QA equivalent and to a QA-conjugated but non-hypoxia activated. Firstly binding to aggrecan was confirmed from dissociation constant determined by Surface Plasmon Resonance. In vitro, in HEMC-SS chondrosarcoma cells cultured in monolayer and in spheroids, 8-QA showed higher cytotoxic activity in hypoxia versus normoxia, and led to a strong accumulation of cells in S phase and apoptosis. In vivo, a HEMC-SS xenograft model was implanted on SCID mice and characterized for hypoxia by photoacoustic imaging as well as proteoglycan content. When HEMC-SS bearing mice were given 8-QA at 47 MUmol/kg according to a q4d x 6 schedule, a significant 62.1% inhibition of tumor growth was observed, without associated hematological side effects. Mechanistic studies of treated tumors highlighted decrease in mitotic index associated to increase in both p21 and p53S15 markers. Interestingly, 8-QA treatment induced an increase of DNA damages as measured by gammaH2AX predominantly found in pimonidazole-positive hypoxic areas. These preclinical results are the first to demonstrate the interest of addressing hypoxia-activated prodrugs selectively to proteoglycan of chondrogenic tumor tissue, as a promising therapeutic strategy. PMID- 29221171 TI - Proteogenomic analysis prioritises functional single nucleotide variants in cancer samples. AB - Massively parallel DNA sequencing enables the detection of thousands of germline and somatic single nucleotide variants (SNVs) in cancer samples. The functional analysis of these mutations is often carried out through in silico predictions, with further downstream experimental validation rarely performed. Here, we examine the potential of using mass spectrometry-based proteomics data to further annotate the function of SNVs in cancer samples. RNA-seq and whole genome sequencing (WGS) data from Jurkat cells were used to construct a custom database of single amino acid variant (SAAV) containing peptides and identified over 1,000 such peptides in two Jurkat proteomics datasets. The analysis enabled the detection of a truncated form of splicing regulator YTHDC1 at the protein level. To extend the functional annotation further, a Jurkat phosphoproteomics dataset was analysed, identifying 463 SAAV containing phosphopeptides. Of these phosphopeptides, 24 SAAVs were found to directly impact the phosphorylation event through the creation of either a phosphorylation site or a kinase recognition motif. We identified a novel phosphorylation site created by a SAAV in splicing factor SF3B1, a protein that is frequently mutated in leukaemia. To our knowledge, this is the first study to use phosphoproteomics data to directly identify novel phosphorylation events arising from the creation of phosphorylation sites by SAAVs. Our study reveals multiple functional mutations impacting the splicing pathway in Jurkat cells and demonstrates potential benefits of an integrative proteogenomics analysis for high-throughput functional annotation of SNVs in cancer. PMID- 29221172 TI - The prognostic value of inflammation-based scores in advanced hepatocellular carcinoma patients prior to treatment with sorafenib. AB - Background and Aims: The multikinase inhibitor sorafenib is the only currently approved drug for the indication of advanced hepatocellular carcinoma (HCC). It provides a limited gain in survival time but is frequently associated with adverse events. We currently lack simple prognostic factors in sorafenib-treated HCC patients. Various inflammation-based scores (IBSs) have been evaluated as predictors of tumor recurrence and survival in various malignancies (including HCC). The objective of the present study was to determine the prognostic value of IBSs for overall survival (OS) in advanced HCC patients prior to the initiation of sorafenib therapy. Methods: Patients with Barcelona Clinic Liver Cancer stage C HCC were enrolled retrospectively between October 2007 and September 2015. To identify prognostic factors for OS, bivariate and multivariate analysis were performed using a Cox proportional hazards regression model. Results: 161 patients (87.0% males; median age: 67; median OS: 9.1 months) were enrolled. A multivariate analysis identified a body mass index <25kg/m2 (hazard ratio (HR)=1.55, p<0.017), macroscopic vascular invasion (HR=1.63, p< 0.001), an AST level >38 U/L (HR=2.65, p<0.001), Child Pugh B stage (HR=2.59, p<0.001) and a systemic immune-inflammation index (SII) >=600 * 109 (HR 1.72, p=0.002) as independent risk factors for OS in advanced HCC. Conclusion: IBSs (such as the SII) are novel, simple, low-cost prognostic indices in patients with advanced HCC. They may be of value in determining whether these patients may benefit from sorafenib therapy. PMID- 29221173 TI - Farnesyl phenolic enantiomers as natural MTH1 inhibitors from Ganoderma sinense. AB - Cancer cells are more addictive to MTH1 than normal cells because of their dysfunctional redox regulations. MTH1 plays an important role to maintain tumor cell survival, while it is not indispensable for the growth of normal cells. Farnesyl phenols having a coumaroyl substitution are rather uncommon in nature. Eight farnesyl phenolic compounds with such substituent moiety (1-8), including six new ones, ganosinensols E-J (1-6) were isolated from the 95% EtOH extract of the fruiting bodies of Ganoderma sinense. Four pairs of enantiomers 1/2, 3/4, 5/6 and 7/8 were resolved by HPLC using a Daicel Chiralpak IE column. Their structures were elucidated from extensive spectroscopic analyses and comparison with literature data. The absolute configurations of C-1' in 1-6 were assigned by ECD spectra. These compounds were predicted to have high binding affinity to MTH1 through virtual ligand screening. The enzyme inhibition experiments and cell based assays confirmed their inhibitory effects on MTH1. Furthermore, siRNA knockdown experiments and the cellular thermal shift assay (CETSA) confirmed that the farnesyl phenolic enantiomers specifically bound with MTH1 in intact cells. Meanwhile, the low cytotoxicity of 1-8 on normal human cells further verified their good selectivity and specificity to MTH1. These active structures are expected to be potential anti-cancer lead compounds. PMID- 29221174 TI - Methylation-induced downregulation and tumor suppressive role of microRNA-29b in gastric cancer through targeting LASP1. AB - MicroRNAs (miRs) have been demonstrated to play promoting or tumor suppressive roles in various human cancers, but the regulatory mechanism of miR-29b underlying gastric cancer development and progression still remains largely unclear. In the present study, we found that miR-29b was significantly downregulated in gastric cancer tissues and cell lines. Low expression of miR-29b was significantly associated with DNA methylation, and treatment with DNA methyltransferase inhibitor 5-Aza-20-deoxycytidine upregulated miR-29b in gastric cancer cells. In addition, both reduced miR-29b expression and miR-29b methylation were associated with disease progression and poor prognosis in gastric cancer. Restoration of miR-29b caused a reduction in gastric cancer cell proliferation, migration, and invasion, and inhibited tumor growth in vivo. LASP1 was then identified as a target gene of miR-29b in gastric cancer cells. Moreover, upregulation of LASP1 was significantly associated with gastric cancer progression and poor prognosis. Knockdown of LASP1 also suppressed the proliferation, migration, and invasion of gastric cancer cells. Moreover, overexpression of LASP1 impaired the suppressive effects of miR-29b on the malignant phenotypes of gastric cancer cells, suggesting that miR-29b may inhibit gastric cancer growth and metastasis via targeting LASP1. According to these data, miR-29b may be used as a potential therapeutic candidate for gastric cancer. PMID- 29221175 TI - TRPM8 is required for survival and radioresistance of glioblastoma cells. AB - TRPM8 is a Ca2+-permeable nonselective cation channel belonging to the melastatin sub-group of the transient receptor potential (TRP) family. TRPM8 is aberrantly overexpressed in a variety of tumor entities including glioblastoma multiforme where it reportedly contributes to tumor invasion. The present study aimed to disclose further functions of TRPM8 in glioma biology in particular upon cell injury by ionizing radiation. To this end, TCGA data base was queried to expose the TRPM8 mRNA abundance in human glioblastoma specimens and immunoblotting was performed to analyze the TRPM8 protein abundance in primary cultures of human glioblastoma. Moreover, human glioblastoma cell lines were irradiated with 6 MV photons and TRPM8 channels were targeted pharmacologically or by RNA interference. TRPM8 abundance, Ca2+ signaling and resulting K+ channel activity, chemotaxis, cell migration, clonogenic survival, DNA repair, apoptotic cell death, and cell cycle control were determined by qRT-PCR, fura-2 Ca2+ imaging, patch-clamp recording, transfilter migration assay, wound healing assay, colony formation assay, immunohistology, flow cytometry, and immunoblotting. As a result, human glioblastoma upregulates TRPM8 channels to variable extent. TRPM8 inhibition or knockdown slowed down cell migration and chemotaxis, attenuated DNA repair and clonogenic survival, triggered apoptotic cell death, impaired cell cycle and radiosensitized glioblastoma cells. Mechanistically, ionizing radiation activated and upregulated TRPM8-mediated Ca2+ signaling that interfered with cell cycle control probably via CaMKII, cdc25C and cdc2. Combined, our data suggest that TRPM8 channels contribute to spreading, survival and radioresistance of human glioblastoma and, therefore, might represent a promising target in future anti-glioblastoma therapy. PMID- 29221176 TI - Alpha-Tocopherol prevents esophageal squamous cell carcinoma by modulating PPARgamma-Akt signaling pathway at the early stage of carcinogenesis. AB - The poor prognosis of esophageal squamous cell carcinoma (ESCC) emphasizes the urgent need to better understand the carcinogenesis and develop prevention strategies. Previous studies have highlighted the potential of using Vitamin E (tocopherols) for cancer chemoprevention, but the preventive activity of alpha Tocopherol against ESCC remains to be elucidated. Our data showed that early stage supplementation with alpha-Tocopherol significantly prevented esophageal carcinogenesis induced by N-nitrosomethylbenzylamine (NMBA) in ESCC rat model. In the Het-1A cell model, alpha-Tocopherol markedly suppressed cell proliferation, promoted cell cycle G2-phase arrest and increased apoptosis. Gene microarray and proteins array analysis indicated that Akt signaling was a potential target for alpha-Tocopherol. We further demonstrated that alpha-Tocopherol increased the expression of PPARgamma and its downstream tumor suppressor PTEN. Knockdown of PPARgamma activated Akt signaling transduction, whereas this process was attenuated by the presence of alpha-Tocopherol and PPARgamma agonist Rosiglitazone. In contrast, the effect of alpha-Tocopherol on Akt inhibition was not observed in established tumors, neither in cancerous cell lines which constitutively expressed higher levels of PPARgamma. These results were closely correlated with the ineffectiveness of alpha-Tocopherol in the late stage of ESCC carcinogenesis. Taken together, our study suggested that alpha-Tocopherol may serve as a PPARgamma agonist for the chemoprevention of esophageal cancer. PMID- 29221177 TI - Untargeted serum metabonomics study of psoriasis vulgaris based on ultra performance liquid chromatography coupled to mass spectrometry. AB - Psoriasis is a common, chronic, systemic inflammatory skin disease, the etiology and pathogenesis is unclear. An untargeted high-throughput metabonomics method based on liquid chromatography coupled to mass spectrometry was applied to study the serum metabolic changes in psoriasis vulgaris patients, and to discover serum potential biomarkers for identification, diagnosis and exploring pathogenesis of psoriasis. The serum metabolic profiles from 150 subjects (75 psoriasis patients and 75 healthy controls) were acquired, the raw spectrometric data were processed by multivariate statistical analysis, and 44 potential biomarkers were screened out and identified. The potential biomarkers were mainly involved in glycerophospholipid metabolism, sphingolipid metabolism, arachidonic acid metabolism, bile acid biosynthesis, indicated the pathogenesis of psoriasis may be related to the disturbed metabolic pathways. PMID- 29221179 TI - Marital status is associated with superior survival in patients with esophageal cancer: a Surveillance, Epidemiology, and End Results study. AB - The impact of marital status on survival among patients with esophageal cancer has not been evaluated in the U.S. population in depth. The aim of the study was to investigate the impact of marital status on survival among patients diagnosed with esophageal cancer. The Surveillance, Epidemiology, and End Results (SEER) database was utilized to identify patients diagnosed with esophageal cancer between 1973 and 2013. Cox regression analysis was performed to evaluate for association between marital status on both cancer-specific and overall survival. Of the 69,139 patients with esophageal cancer, 35,863 (52%) had adenocarcinoma and 21,573 (31%) had distant SEER stage. At the time of diagnosis, 39,805 (57%) patients were married, 10,116 (15%) were single, 8,417 (12%) were divorced or separated, and 10,801 (16%) were widowed. Married patients had superior cancer specific and overall survival compared to unmarried patients. Multivariate analysis demonstrated that single (adjusted hazard ratio (HR)=1.14, 95%CI 1.11 1.17; P<0.001), divorced or separated (HR=1.16, 95%CI 1.13-1.19; P<0.001), and widowed (HR=1.22, 95%CI 1.19-1.26; P<0.001) compared to married patients had higher risk of death from all causes. In conclusion, marital status was associated with superior survival among U.S. patients with esophageal cancer in a large population-based study. PMID- 29221178 TI - Cytotoxic stress induces transfer of mitochondria-associated human endogenous retroviral RNA and proteins between cancer cells. AB - About 8 % of the human genome consists of human endogenous retroviruses (HERVs), which are relicts of ancient exogenous retroviral infections incurred during evolution. Although the majority of HERVs have functional gene defects or epigenetic modifications, many of them are still able to produce retroviral proteins that have been proposed to be involved in cellular transformation and cancer development. We found that, in chemo-resistant U87RETO glioblastoma cells, cytotoxic stress induced by etoposide promotes accumulation and large-scale fission of mitochondria, associated with the detection of HERV-WE1 (syncytin-1) and HERV-FRD1 (syncytin-2) in these organelles. In addition, mitochondrial preparations also contained the corresponding receptors, i.e. ASCT2 and MFSD2. We clearly demonstrated that mitochondria associated with HERV-proteins were shuttled between adjacent cancer cells not only via tunneling tubes, but also by direct cellular uptake across the cell membrane. Furthermore, anti-syncytin-1 and anti-syncytin-2 antibodies were able to specifically block this direct cellular uptake of mitochondria even more than antibodies targeting the cognate receptors. Here, we suggest that the association of mitochondria with syncytin-1/syncytin-2 together with their respective receptors could represent a novel mechanism of cell-to-cell transfer. In chemotherapy-refractory cancer cells, this might open up attractive avenues to novel mitochondria-targeting therapies. PMID- 29221180 TI - Pelvic recurrence after definitive surgery for locally advanced rectal cancer: a retrospective investigation of implications for precision radiotherapy field design. AB - Background: To analyze the local distribution of pelvic recurrence after total mesorectal excision, with a view to simplifying the formulation of optimal individualized radiotherapy plans. Methods: We retrospectively investigated the data of 168 patients diagnosed with recurrent pelvic cancer treated at Fudan University Shanghai Cancer Center between January 2008 and December 2012. The following were collected depending on availability: operative report, histological report, specimen photographs, initial preoperative images, images confirming local recurrence, and clinical history. Results: A total of 203 lesions of local recurrence were identified. The most common sites of pelvic recurrence were the mesorectum, including the anastomotic stoma in 53.0% of cases; presacral space in 27.4%, and pelvic floor and perineum in 21.4% the cases. Recurrence was most common in the lower pelvic region (i.e., below the upper border of the acetabulum), accounting for approximately 76.2% (128 cases) of cases. In patients with mid-rectal and distal rectal carcinoma. Conclusions: Patients with pelvic cancer may benefit by individualized treatment plans aimed at achieving a balance between tumor control and minimal risk of irradiation induced toxicity. PMID- 29221181 TI - Analysis of CTCL cell lines reveals important differences between mycosis fungoides/Sezary syndrome vs. HTLV-1+ leukemic cell lines. AB - HTLV-1 is estimated to affect ~20 million people worldwide and in ~5% of carriers it produces Adult T-Cell Leukemia/Lymphoma (ATLL), which can often masquerade and present with classic erythematous pruritic patches and plaques that are typically seen in Mycosis Fungoides (MF) and Sezary Syndrome (SS), the most recognized variants of Cutaneous T-Cell Lymphomas (CTCL). For many years the role of HTLV-1 in the pathogenesis of MF/SS has been hotly debated. In this study we analyzed CTCL vs. HTLV-1+ leukemic cells. We performed G-banding/spectral karyotyping, extensive gene expression analysis, TP53 sequencing in the 11 patient-derived HTLV-1+ (MJ and Hut102) vs. HTLV-1- (Myla, Mac2a, PB2B, HH, H9, Hut78, SZ4, Sez4 and SeAx) CTCL cell lines. We further tested drug sensitivities to commonly used CTCL therapies and studied the ability of these cells to produce subcutaneous xenograft tumors in NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ mice. Our work demonstrates that unlike classic advanced MF/SS cells that acquire many ongoing balanced and unbalanced chromosomal translocations, HTLV-1+ CTCL leukemia cells are diploid and exhibit only a minimal number of non-specific chromosomal alterations. Our results indicate that HTLV-1 virus is likely not involved in the pathogenesis of classic MF/SS since it drives a very different pathway of lymphomagenesis based on our findings in these cells. This study also provides for the first time a comprehensive characterization of the CTCL cells with respect to gene expression profiling, TP53 mutation status, ability to produce tumors in mice and response to commonly used therapies. PMID- 29221182 TI - Differential modulation of Bax/Bcl-2 ratio and onset of caspase-3/7 activation induced by derivatives of Justicidin B in human melanoma cells A375. AB - Diphyllin and its derivatives are well known cytotoxic natural products structurally related to the anti-cancer drug podophyllotoxin. We here study their structure-activity relationship upon human melanoma cells for first time. To this end, human melanoma A375 cells were incubated with Justicidin B and its 4 methoxylated or 4-glycosylated derivatives to evaluate their selective cytotoxicity and study their effects on cell cycle distribution, caspase activation, apoptosis induction using Annexin V-FITC/PI staining, cell morphology and western blot analysis. Diphyllin methyl ether (GI50 = 3.66 MUM) and Justicidin B (GI50 = 1.70 MUM) caused an elevation of both early and late apoptosis populations whereas Diphyllin apioside (GI50 = 0.84 MUM) and its acetate (GI50= 0.39 MUM) enhanced late apoptosis population only (Annexin V positive/PI-positive). All induced cell cycle arrest at S phase and classic morphological indicators of apoptosis (blebbing, apoptotic bodies, and nuclear fragmentation) accompanied with an elevation of cells with low DNA content (sub G1). All compounds increased the Bax/Bcl-2 ratio by enhancing Bax expression which evidences the involvement of the mitochondria (intrinsic pathway) in the apoptotic process. These caspase-3/7 results evidence that 4-methoxylation or 4-O glycosylation of Justicidin B -a caspase independent mitochondrial apoptosis inducer- triggers caspase-3/7 activation at different times (24h vs. 48h, respectively). Interestingly, the methoxylation causes attenuation of Bcl-2 protein expression contrarily to Diphyllin methyl ether or the O-glycosylated derivatives. Finally, the compounds exhibited significantly less toxicity when tested in adult human dermal fibroblasts and their GI50 in melanoma Sk-Mel-5 cells was not influenced by MDR1/Pgp inhibitors. This study may inform the synthesis of future Diphyllin derivatives with different apoptosis mechanism of action towards human melanoma cells. PMID- 29221183 TI - Radial gradient and radial deviation radiomic features from pre-surgical CT scans are associated with survival among lung adenocarcinoma patients. AB - The goal of this study was to extract features from radial deviation and radial gradient maps which were derived from thoracic CT scans of patients diagnosed with lung adenocarcinoma and assess whether these features are associated with overall survival. We used two independent cohorts from different institutions for training (n= 61) and test (n= 47) and focused our analyses on features that were non-redundant and highly reproducible. To reduce the number of features and covariates into a single parsimonious model, a backward elimination approach was applied. Out of 48 features that were extracted, 31 were eliminated because they were not reproducible or were redundant. We considered 17 features for statistical analysis and identified a final model containing the two most highly informative features that were associated with lung cancer survival. One of the two features, radial deviation outside-border separation standard deviation, was replicated in a test cohort exhibiting a statistically significant association with lung cancer survival (multivariable hazard ratio = 0.40; 95% confidence interval 0.17-0.97). Additionally, we explored the biological underpinnings of these features and found radial gradient and radial deviation image features were significantly associated with semantic radiological features. PMID- 29221184 TI - Hepatitis B virus X protein inhibits apoptosis by modulating endoplasmic reticulum stress response. AB - Chronic Hepatitis B virus (HBV) infection is a major risk of hepatocellular carcinoma (HCC) worldwide. Hepatitis B virus X protein (HBx) is encoded by one of the four open reading frames of HBV, and is well known as an important coactivator for HBV replication and HBV-associated hepatocellular carcinogenesis. However, its role in keeping cells from apoptosis to promote HCC proliferation remains controversial. Here, we used HBx expressing HCC cells as a model, to investigate the mechanism of HBx-mediated cellular response to endoplasmic reticulum (ER) stress. We found that HBx protein was localized in ER lumen and interacted with GRP78 directly. This interaction resulted in suppression of eIF2alpha phosphorylation, inhibited expression of ATF4/CHOP/Bcl-2, and reduced cleavage of poly ADP-ribose polymerase (PARP) and level of gammaH2AX, thus preventing HCC cells from cell death and negatively regulating DNA repair. This study reveals a novel mechanism of the HBx-mediated oncogenesis and provides a basis for potential HBx-targeted therapeutic intervention of HCC. PMID- 29221185 TI - TGFbeta1 in fibroblasts-derived exosomes promotes epithelial-mesenchymal transition of ovarian cancer cells. AB - Cancer-associated fibroblasts (CAF), a major component of the tumor microenvironment, play an important role in interacting with neoplastic cells to promote ovarian cancer progression. Exosomes are nano-sized vesicles that mediate the cross-talk between different cell types. An increasing number of studies have focused on the fact that tumor cell-derived exosomes influence stromal cells. However, the mechanism by which CAF-derived exosomes modulate cancer cells in ovarian cancer remains obscure. To investigate the role of CAF exosomes in ovarian cancer, we examined the exosomal content of paired primary, metastatic and normal fibroblasts from seven stage IIIC ovarian cancer patients by ELISA. We found that in ovarian CAF-derived exosomes, TGFbeta1 was upregulated compared to normal omentum fibroblasts (NOF). Exosomes derived from CAF were taken up by ovarian SKOV-3 and CAOV-3 cell lines during co-culture and induced malignant behaviors in cancer cells, including an enhanced migration and invasion ability and the promotion of epithelial-mesenchymal transition (EMT) by activating the SMAD signaling pathway. Our results indicate that the role of TGFbeta1 in CAF exosomes triggers ovarian cancer cells into a more aggressive phenotype, suggesting that targeting CAF exosomes could be a potential treatment in ovarian cancer. PMID- 29221186 TI - Inflammatory biomarkers in metastatic colorectal cancer: prognostic and predictive role beyond the first line setting. AB - Introduction: Inflammatory biomarkers are useful prognostic tools in cancer patients. However, the prognostic and predictive value of inflammatory biomarkers beyond the 1st-line setting in metastatic colorectal cancer (mCRC) is unclear. Results: In multivariate analysis 1 standard deviation increase in neutrophil lymphocyte-ratio (NLR) was associated with an 8.5% absolute lower objective response-rate (ORR) in 1st-line (p<0.0001), 3% lower ORR in 2nd-line (p< 0.0001), and 3% lower ORR in 3rd-line (p=0.24), respectively. Regarding progression free survival (PFS), an increase in the NLR was significantly associated with rising hazard-ratios (HR) over all treatment lines (HR=1.30, p= 0.021 1st-line); (HR=1.37, p<0.0001 2nd-line); (HR=1.44, p=0.042 3rd-line). The platelet lymphocyte-ratio (PLR) was associated with 6-month PFS over all three treatment lines. Higher C-reactive-protein (CRP) predicted for worse PFS in the first two chemotherapy lines and in best supportive care (BSC). (HR=1.49 (p<0.0001 1st line); HR=1.25 (p=0.007 2nd-line); HR=1.09 (95%CI 0.81-1.48, p=0.552 3rd-line and HR=1.43 (p= 0.002 in BSC)). Methods: Two-hundred-fifty-eight patients with mCRC undergoing palliative chemo(immuno-)therapy were retrospectively included. Primary endpoints were 6-month PFS and ORR during 1st-line, 2nd-line, and 3rd line treatment, and 6-month overall survival during BSC. Conclusion: This study shows that inflammatory biomarkers are useful predictors of disease outcome and treatment response over several treatment lines in mCRC patients. PMID- 29221187 TI - Selection and characterization of a human ovarian cancer cell line resistant to auranofin. AB - The anti-arthritic drug auranofin exerts also potent antitumour activity in in vitro and in vivo models, whose mechanisms are not yet well defined. From an auranofin-sensitive human ovarian cancer cell line A2780, a highly resistant (>20 fold) subline (A2780/AF-R) was developed and characterized. Marked reduction of gold accumulation occurred in auranofin-resistant A2780 cells. Also, moderately higher thioredoxin reductase activity in A2780/AF-R cells was observed while no changes in intracellular glutathione content occurred. Resistance to auranofin was associated with a low level of cross-resistance to some investigational gold compounds as well as to oxaliplatin and other anticancer drugs with different mode of action (i.e. melphalan, vinblastine, doxorubicin, etoposide, and paclitaxel). Reduced gold accumulation was associated to substantial gene expression changes in various influx (e.g. SLC22A1, SLC47A1, SLCO1B1) and efflux (e.g. ABCB1, ABCC2, ABCC3) transporters. The expression levels of selected proteins (i.e. SLC22A1, SLC47A1, P-gp) were also changed accordingly. These data provide evidence that multiple drug transporters may act as mediators of transport of auranofin and other gold compounds in cancer cells. Further investigation into the molecular mechanisms mediating transport of auranofin and new gold complexes in view of their potential clinical application in the treatment of cancer is warranted. PMID- 29221188 TI - Overexpression of AGT promotes bronchopulmonary dysplasis via the JAK/STAT signal pathway. AB - Angiotensinogen (AGT) is involved in the production of angiotensin II which is the main mediator of action of the rennin-angiotensin system (RAS), whereas the RAS mediates the regulation of sodium homeostasis, blood pressure, and inflammation. The present study aimed to investigate the roles of the AGT in the progression of broncopulmonary dysplasia in premature newborns. By bioinformatics analysis, AGT was found to be the major node in molecular interaction networks of BPD mouse model. Quantitative PCR and western blot analyses were applied to examine AGT expression in A549 cells which were treated with the hyperoxic condition. The AGT inhibitor Valsartan and the AGT agonist ANGII were employed to investigate the roles of AGT in cell growth and the inflammation. Results show that hyperoxic treatment induced upregulation of AGT expression in A549 cells. Overexpression of AGT resulted in the inflammation via the JAK/STAT signal pathway, ultimately suppressed the proliferation of the A549 cell. In conclusion, increased expression of AGT was demonstrated to be associated with the development and progression of BPD, and may be regarded as a promising therapeutic target for BPD. PMID- 29221190 TI - The M6A methyltransferase METTL3: acting as a tumor suppressor in renal cell carcinoma. AB - We aimed to study the role of METTL3 in renal cell carcinoma (RCC) carcinogenesis and development. Immunohistochemistry was performed in clinical tissue microarray. Expression level of METTL3 in RCC tissues and cell lines was evaluated by quantitative real-time PCR (qRT-PCR) and western blot. Then, the effects of METTL3 on proliferation, migration, invasion and cell cycle were studied in RCC cells. Additionally, in vivo study was carried out in nude mice. Negative METTL3 expression was associated with larger tumor size (P=0.010) and higher histological grade (P=0.021). Moreover, RCC patients with positive METTL3 expression had an obvious longer survival time (P=0.039). METTL3 mRNA and protein expression was lower in RCC samples compared with adjacent non-tumor samples, and lower in RCC cell lines (CAKI-1, CAKI-2 and ACHN) compared with HK-2. Afterwards, knockdown of METTL3 could obviously promote cell proliferation, migration and invasion function, and induce G0/G1 arrest. In contrast, up-regulation of METTL3 could inhibit such functions and reduce G0/G1 arrest. Additionally, up-regulation of METTL3 significantly suppressed tumor growth in vivo. Furthermore, significant changes in epithelial-to-mesenchymal transition (EMT) and PI3K-Akt-mTOR pathways were observed. Overall, our findings demonstrated that METTL3 might have a carcinostasis role in cell proliferation, migration, invasion function and cell cycle of RCC, indicating METTL3 may act as a novel marker for tumorigenesis, development and survival of RCC. PMID- 29221189 TI - Novel direct AMPK activator suppresses non-small cell lung cancer through inhibition of lipid metabolism. AB - Drug resistance is becoming an obstacle in anti-cancer therapies. For target based therapy of lung cancer, gefitinib, as the first generation of tyrosine kinase inhibitors (TKIs), demonstrated good initial response to the non-small cell lung cancer (NSCLC) patients whom harbors epidermal growth factor receptor (EGFR) mutation. However, within one year, additional EGFR mutation occurred, leading to eventual gefitinib-resistance. Therefore, it is urgently to discover novel effective small molecule inhibitors for those patients. Abnormal energy metabolism is accepted as new cancer hallmark. Recently, a metabolism rate limiting enzyme 5'-adenosine menophosphate-activated protein kinase (AMPK) has become a promising anti-cancer target. In this study, we have identified a novel direct AMPK agonist, D561-0775 from a compound library by using molecular docking screening technique. We demonstrated that D561-0775 exhibited significant inhibitory effect on gefitinib-resistant NSCLC cell lines but less cytotoxicity on normal cells. Furthermore, D561-0775 demonstrated a remarkable in vitro AMPK enzyme activation effect. Taken together, D561-0775 showed potential anti-cancer activity via inducing apoptosis, cell cycle arrest, suppressing glycolysis and cholesterol synthesis after activation of AMPK in gefitinib-resistant H1975 cells. D561-0775 has provided a new chemical structure that could be developed as cancer drug for gefitinib-resistant NSCLC patients through inhibition lipid metabolism by directly targeting at AMPK directly. PMID- 29221191 TI - Recommended oral sodium bicarbonate administration for urine alkalinization did not affect the concentration of mitomycin-C in non-muscle invasive bladder cancer patients. AB - Objective: Sodium bicarbonate has been reported to maximize the efficacy of intravesical instillation of mitomycin-C (IVI-MMC) therapy by urine alkalinization in non-muscle-invasive bladder cancer (NMIBC). This study aimed to analyze the changes in MMC concentration according to urinary pH and evaluate the efficacy of sodium bicarbonate to maintain the concentration of active form of MMC during IVI-MMC. Methods: We prospectively enrolled 26 patients with NMIBC after transurethral resection of bladder tumor. Patients with very high-risk and low-risk NMIBC were excluded. Urinary creatinine, volume, pH, and concentrations of MMC and its degraded form were measured immediately before and after IVI-MMC. The patients were administered 1.5 g of oral sodium bicarbonate during the preceding evening, in the morning, and immediately before the fourth cycle of the six-cycle IVI-MMC. The correlation between MMC concentration and urinary pH changes was explored with or without oral bicarbonate therapy. Results: Recurrence without progression to muscle-invasive disease was noted in 4 of 26 patients in a 23.7-month follow-up. The mean urinary pH before and after the therapy increased from 6.03 to 6.50, and 6.46 to 7.24, without or with oral SB therapy, respectively. Despite this increase, the concentration of active form of MMC did not change significantly. No correlation was found between urinary pH and MMC concentration. Urine alkalinization by SB administration did not maintain the high concentration of urinary MMC. Conclusions: Urine alkalinization by sodium bicarbonate administration for IVI-MMC did not maintain the high concentration of active urinary MMC in NMIBC. PMID- 29221192 TI - Tumor-suppressive function of UNC5D in papillary thyroid cancer. AB - Background: Studies have shown an association of the UNC5D gene with kidney and bladder cancer and neuroblastoma. We investigated whether UNC5D acts as a tumor suppressor in papillary thyroid carcinoma (PTC). Methods: Primary PTC tumors and matched normal thyroid tissues were obtained from 112 patients to detect UNC5D mRNA by real-time PCR. Genomic DNA sequencing was performed to detect BRAF mutation in PTC tumors. The association between UNC5D expression and clinicopathological data from PTC patients was reviewed retrospectively. PTC derived cancer cell lines TPC-1 and K1 with stable transfection of UNC5D were used to investigate the functions of UNC5D. Flow cytometry, CCK-8, Transwell assay and scratch tests were used to examine cell cycle distribution, proliferation and migration. Results: The expression of UNC5D was significantly decreased in PTC compared with adjacent normal thyroid tissues. Lower UNC5D expression was significantly associated with aggressive tumor behaviors, such as lymph node metastasis and BRAF mutation. Overexpression of UNC5D significantly suppressed malignant cell behaviors, including cell proliferation and migration, as well as tumor growth in vivo. Conclusions: These findings suggest a potential tumor suppressor role of UNC5D in PTC progression; and provide insight into potential clinical relevance for the prognosis of PTC. PMID- 29221193 TI - Steroidogenic factor-1 hypermethylation in maternal rat blood could serve as a biomarker for intrauterine growth retardation. AB - Intrauterine growth retardation (IUGR) is a common obstetric complication lacking an optimal method for prenatal screening. DNA methylation profile in maternal blood holds significant promise for prenatal screening. Here, we aimed to screen out potential IUGR biomarkers in maternal blood from the perspective of DNA methylation. The IUGR rat model was established by prenatal maternal undernutrition. High-throughput bisulfite sequencing of genomic DNA methylation followed by functional clustering analysis for differentially methylated region (DMR)-associated genes demonstrated that genes regulating transcription had the most significantly changed DNA methylation status in maternal blood with IUGR. Genes about apoptosis and placental development were also changed. Besides increased placental apoptosis, IUGR rats demonstrated the same hypermethylated CpG sites of steroidogenic factor-1 (SF-1, a DMR-associated transcription factor about placenta) promoter in maternal blood and placentae. Further, ff1b, the SF-1 ortholog, was knocked out in zebrafish by CRISPR/Cas9 technology. The knock-out zebrafish demonstrated developmental inhibition and increased IUGR rates, which confirmed the role of SF-1 in IUGR development. Finally, hypermethylated SF-1 was observed in human maternal blood of IUGR. This study firstly presented distinct DNA methylation profile in maternal blood of IUGR and showed hypermethylated SF-1 could be a potential IUGR biomarker in maternal rat blood. PMID- 29221194 TI - Altered microRNA profiles during early colon adenoma progression in a porcine model of familial adenomatous polyposis. AB - MicroRNAs are dysregulated in various cancers including colorectal cancer, and are potential useful biomarkers of disease development. We used next generation sequencing to investigate miRNA expression profiles in low- and high-grade intraepithelial dysplastic polyps from pigs carrying a mutation in the adenomatous polyposis coli tumour suppressor (APC1311 , orthologous to human APC1309 ) that model an inherited predisposition to colorectal cancer, familial adenomatous polyposis. We identified several miRNAs and their isomiRs significantly (P < 0.05) differentially expressed between low and high-grade intraepithelial dysplastic polyps. Of these, ssc-let-7e, ssc-miR-98, ssc-miR-146a 5p, ssc-miR-146b, ssc-miR-183 and ssc-miR-196a were expressed at higher level and ssc-miR-126-3p at lower level in high-grade intraepithelial dysplastic polyps. Functional miRNA target analysis revealed significant (P < 0.001) over representation of cancer-related pathways, including 'microRNAs in cancer', 'proteoglycans in cancer', 'pathways in cancer' and 'colorectal cancer'. This is the first study to reveal miRNAs associated with premalignant transformation of colon polyps. PMID- 29221195 TI - Quantification of contractile mechanics in the rat heart from ventricular pressure alone. AB - To quantitate the contractile mechanics of the heart, the ventricle is considered an elastic chamber with known end-systolic elastance (Ees ). Ees can be calculated from a single pressure-ejected volume curve, which requires simultaneous records of left ventricular (LV) pressure and the aortic flow (Qm). In clinical settings, it is helpful to evaluate patients' cardiac contractile status by using a minimally invasive approach to physiological signal monitoring, wherever possible, such as by using LV pressure alone. In this study, we evaluated a method for determining Ees on the basis of the measured LV pressure and an assumed aortic flow with a triangular wave shape (Qtri). Qtri was derived using a fourth-order derivative of the LV pressure to approximate its corresponding Qm. Values of EestriQ obtained using Qtri were compared with those of EesmQ obtained from the measured Qm. Healthy rats (NC; n = 28) and rats with type 1 diabetes (DM; n = 26) and chronic kidney disease (CKD; n = 20) were examined. The cardiodynamic conditions in both the DM and CKD groups were characterized by a decline in EesmQ and EestriQ. A significant regression line for Ees was observed (P < 0.0001): EestriQ = 2.6214 + 1.0209 * EesmQ (r2 = 0.9870; n = 74). Our finding indicates that the systolic pumping mechanics of the heart can be derived from a single LV pressure recording together with the assumed Qtri. PMID- 29221196 TI - Identification of cellular genes and pathways important for tumorigenicity of hepatocellular carcinoma cell lines by proteomic profiling. AB - Hepatocellular carcinoma (HCC) is the most commonly diagnosed malignancy of the liver. A more thorough understanding of HCC pathogenesis will provide novel targets for development of cancer drugs to effectively treat HCC. To further this goal, we carried out a proteomic profiling of HCC cell lines Huh-7.4 and Huh-7.5. These two cell lines were derived from subgenomic HCV RNA-replicating Huh-7 cells upon clearance of HCV RNA by antiviral drug treatment. Initially, the tumorigenicity of each cell line was determined and compared in parallel in the same immunedeficient mice. Strikingly, the Huh-7.4 cell line was able to induce tumors, whereas the Huh-7.5 cell line failed to do so, providing unique model systems for identifying cellular genes and pathways important for HCC development and progression. Subsequently, one-dimensional LC-MS/MS proteomic and bioinformatics analyses were performed in the hope of identifying unique cellular genes and pathways responsible for HCC tumorigenicity. Interestingly, a total of 130 cellular genes were found to be significantly up- or downregulated between these two cell lines (r>3 fold, P<0.001). Also, EIF (EIF2&4), mTOR/p70S6K, ERK5, and EGFR signaling pathways were significantly different. Overall, these results provide significant new information to shed light on the underlying biological processes involved in HCC development and progression. PMID- 29221197 TI - RANK expression in EBV positive nasopharyngeal carcinoma metastasis: a ready-to treat target? AB - Epstein Barr Virus (EBV) related Nasopharyngeal Carcinoma (NPC), is an highly chemo- and radiosensitive endemic malignancy in southeast Asia. More than one third of locally advanced cases relapse after curative treatment, especially because of bone, liver and lung metastases. Lymphocyte sub-populations favour EBV associated carcinogenesis and tumour progression and several strategies aim to reverse this phenomenon. Receptor activator of NF-kB (RANK) and its Ligand (RANKL), key regulator of bone metabolisms, are expressed in several malignancies and tumor-infiltrating Tregs. We collected 17 paired FFPE specimen of primary and metachronous metastatic or regionally relapsed EBV related NPC and evaluated RANK expression by immunohistochemistry. All primary tumour specimens resulted not evaluable whereas all metastatic specimens, regardless of sites, showed high RANK IHC expression in the tumor with no staining in normal surrounding tissues. This observation deserves further clarifications and could open the way to trials testing the hypotesis that targeting the RANK/RANKL pathway with denosumab, an already available, clinically approved monoclonal antibody for metastatic bone lesions, might restore proper anti-tumor immune response in NPC metastatic patients. PMID- 29221198 TI - The prognostic significance of celiac lymph node metastasis in patients with locally advanced esophageal squamous cell carcinoma receiving curative concurrent chemoradiotherapy. AB - Background: To evaluate the clinical outcomes of celiac lymph node (LN) metastasis in patients with locally advanced esophageal squamous cell carcinoma (ESCC) receiving curative concurrent chemoradiotherapy (CCRT). Materials and Methods: A total of 375 stage III ESCC patients were identified, including 51 patients with celiac LN metastasis and 324 patients without celiac LN metastasis. Among these 324 patients without celiac LN metastasis, 51 were matched with the 51 patients with celiac LN metastasis using the propensity score matching method. Results: Overall, the celiac LN metastasis group had worse progression-free survival (PFS) and overall survival (OS) than the non-celiac LN metastasis group and the matched non-celiac LN metastasis group. For the ESCC patients with celiac LN metastasis, lower third ESCC was significantly associated with superior PFS and OS. For patients with upper/middle third ESCC, the celiac LN metastasis group had worse PFS and OS than the non-celiac LN metastasis group and the matched non celiac LN metastasis group. For patients with lower third ESCC, there were no significant differences in PFS and OS between these groups. Conclusions: Our study suggests celiac LN metastasis is a poor prognostic factor for locally advanced ESCC patients receiving curative CCRT. Among these ESCC patients with celiac LN metastasis, tumor location is a strongly prognostic factor, indicating patients with lower third ESCC have better PFS and OS than those with upper/middle third ESCC. The 6th American Joint Committee on Cancer staging system seems more favorable than 7th edition in the definition of celiac LNs for those patients. PMID- 29221200 TI - Oncogene TUBA1C promotes migration and proliferation in hepatocellular carcinoma and predicts a poor prognosis. AB - The prognostic biomarkers and potential therapy targets are urgently needed in hepatocellular carcinoma (HCC). In this article, we report the expression of TUBA1C was significantly increased in HCC on mRNA and protein level, and this finding was further validated in another two independent datasets. Survival analysis was also implemented on these three datasets, and TUBA1C high expression group was detected to have relative shorter survival time. Furthermore, the metastatic ability is increased along with TUBA1C abundance, according to protein abundance evaluation of normal-tumor-portal vein tumor thrombus pairs, and mRNA comparison between metastasis-averse HCC and metastasis-incline HCC. Correlation analysis was implemented and TUBA1C expression was shown to be significantly associated with recurrence, embolus, and AFP level. Proliferation and migration assays following knock down of TUBA1C in two cell lines, HCCLM3 and PLC, revealed that down-regulation of TUBA1C significantly reduces proliferation and migration in HCC cells. in vivo study also showed the similar results. Gene Set Enrichment Analysis (GSEA) comparing the TUBA1C-low and TUBA1C-high group indicates that KEGG pathways including "cell cycle", "DNA replication", and "proteasome" were significantly enriched in TUBA1C-high group. In conclusion, prognostic biomarker and oncogene TUBA1C promotes migration and proliferation of hepatocellular carcinoma cells, probability via cell cycle signaling pathway. PMID- 29221199 TI - Long non-coding RNA UCA1 indicates an unfavorable prognosis and promotes tumorigenesis via regulating AKT/GSK-3beta signaling pathway in cholangiocarcinoma. AB - Long non-coding RNAs (lncRNAs) have been documented to play key roles in a wide range of pathophysiological processes, including cancer initiation and progression. Recently, the aberrant expression of urothelial carcinoma associated 1 (UCA1) was observed in many types of cancers. However, its clinical relevance and exact effects in cholangiocarcinoma (CCA) remains unknown. In the present study, we aimed to investigate the clinical significance of UCA1 and evaluate its prognostic value in patients with CCA. Besides, the functional roles of UCA1 were detected both in vitro and in vivo. Moreover, potential signaling pathways were explored to clarify the molecular mechanisms underlying CCA cell proliferation. The results indicated that UCA1 transcription is enhanced in both CCA tissue samples and cell lines, and this overexpression is associated with tumor stage (P = 0.007), lymph node invasion (P = 0.027), TNM stage (P = 0.004) and postoperative recurrence (P = 0.033) of CCA patients. Besides, UCA1 could function as an independent prognostic predictor for overall survival in patients with CCA (P = 0.014). For the part of functional assays, knockdown of UCA1 could attenuate CCA cell growth both in vitro and in vivo. Besides, UCA1 facilitates apoptosis via Bcl-2/caspase-3 pathway. In addition, UCA1 regulates migration and invasion potential of CCA cells by affecting EMT. Furthermore, AKT/GSK-3beta axis was activated to upregulate CCND1 expression due to overexpression of UCA1 in CCA. To summary, UCA1 might be a potentially useful prognostic biomarker and therapeutic target for CCA. PMID- 29221201 TI - Functional FGFR4 Gly388Arg polymorphism contributes to oral squamous cell carcinoma susceptibility. AB - Aberrations of the fibroblast growth factor receptor 4 (FGFR4) genomic region include amplification of FGFR4, activation of FGFR4 kinase domain mutations, and overexpression of FGFR4, which lead to sustained cell proliferation and contribute to tumor development. However, the association between FGFR4 single nucleotide polymorphisms (SNPs) and risk of oral squamous cell carcinoma (OSCC) remains to be determined. We investigated the relationships between FGFR4 genetic polymorphisms, OSCC development and clinicopathological variables. We recruited a total of 955 patients with OSCC and 1191 controls. Four SNPs of FGFR4 (rs2011077, rs351855, rs7708357, and rs1966265) were examined using real-time polymerase chain reaction. We found that with the rs351855 GA genotype and a combination of the GA and AA genotypes exhibited a 1.431-fold (95% CI: 1.092-1.876) and 1.335 fold (95% CI: 1.033-1.725) higher risk of OSCC. However, patients with OSCC with a homozygous A/A genotype of FGFR4 rs351855 polymorphism had a lower risk of advanced stage OSCC (P = 0.0252). Furthermore, the patients with the FGFR4 rs351855/rs1966265 A-A haplotype had a 2.890-fold (95% confidence interval [CI]: 2.257-3.700) higher risk of OSCC than the controls. Betel quid chewers with the A A haplotype had a considerably higher risk (95% CI: 16.159-26.937) of OSCC than did betel quid nonchewers with other haplotypes. Moreover, an additional integrated in silico analysis proposed that rs351855 G allele variant to the A allele exhibited a relatively low energy of the transmembrane region. In conclusion, our results suggest that the FGFR4 rs351855 may play a role in susceptibility for OSCC development. PMID- 29221202 TI - EZH2 alteration driven by microRNA-524-5p and microRNA-324-5p promotes cell proliferation and temozolomide resistance in glioma. AB - Recent data have been shown that EZH2 is a critical oncogene via the repression of tumor suppressor genes in human cancers. In our study, we performed a genome wide miRNA screen with a bioinformatics analysis to identify EZH2 specific miRNAs. Of these miRNAs, miR-524-5p and miR-324-5p were decreased in glioma tissues, and confered poor prognosis for glioma patients. Upregulation of miR-524 5p and miR-324-5p reduced glioma cell proliferation and increased temozolomide (TMZ) chemosensitivity by targeting EZH2. Importantly, the effection of miR-524 5p and miR-324-5p on cell proliferation and TMZ chemosensitivity in glioma were reversed by expression of EZH2 cDNA. Further, miR-524-5p and miR-324-5p overexpression suppressed glioma growth and prolonged survival in an intracranial xenograft model. Multivariate Cox regression analysis revealed that miR-524-5p was an independent prognostic factor in gliobalstoma patients. Taken together, these data indicate that miRNA-driven EZH2 repression may provide evidence of the molecular mechanism for gliomagenesis and the novel therapeutic targets for glioma. PMID- 29221203 TI - Methylated claudin-11 associated with metastasis and poor survival of colorectal cancer. AB - As one of crucial epigenetic modification, DNA methylation plays an important role during the carcinogenesis of colorectal cancer (CRC). In the current study, we used a human genome methylation array to detect the aberrant methylation genes in CRC. We further identified the hypermethylation of claudin-11 (CLDN11) and proved inverse correlation between CLDN11 methylation and its expression in CRC. In vitro experiments showed debased migration ability of colonic cancer cells in accompany with the converted methylation of CLDN11 after colonic cancer cells treated with demethylation agent, 5-aza-2'-deoxycytidine. Besides, our results also represented that hypermethylation of CLDN11 was associated with increased metastatic potential of CRC and with low progression free survival (PFS) of CRC. In conclusion, our findings supported that the hypermethylated CLDN11 is associated with metastasis of CRC and prognosis of poor survival of CRC. PMID- 29221204 TI - 11beta-HSD1 inhibition ameliorates diabetes-induced cardiomyocyte hypertrophy and cardiac fibrosis through modulation of EGFR activity. AB - 11beta-HSD1 has been recognized as a potential therapeutic target for type 2 diabetes. Recent studies have shown that hyperglycemia leads to activation of 11beta-HSD1, increasing the intracellular glucocorticoid levels. Excess glucocorticoids may lead to the clinical manifestations of cardiac injury. Therefore, the aim of this study is to investigate whether 11beta-HSD1 activation contributes to the development of diabetic cardiomyopathy. To investigate the role of 11beta-HSD1, we administered a selective 11beta-HSD1 inhibitor in type 1 and type 2 murine models of diabetes and in cultured cardiomyocytes. Our results show that diabetes increases cortisone levels in heart tissues. 11beta-HSD1 inhibitor decreased cortisone levels and ameliorated all structural and functional features of diabetic cardiomyopathy including fibrosis and hypertrophy. We also show that high levels of glucose caused cardiomyocyte hypertrophy and increased matrix protein deposition in culture. Importantly, inhibition of 11beta-HSD1 attenuated these changes. Moreover, we show that 11beta HSD1 activation mediates these changes through modulating EGFR phosphorylation and activity. Our findings demonstrate that 11beta-HSD1 contributes to the development of diabetic cardiomyopathy through activation of glucocorticoid and EGFR signaling pathway. These results suggest that inhibition of 11beta-HSD1 might be a therapeutic strategy for diabetic cardiomyopathy, which is independent of its effects on glucose homeostasis. PMID- 29221205 TI - Thrombospondin-1 modified bone marrow mesenchymal stem cells (BMSCs) promote neurite outgrowth and functional recovery in rats with spinal cord injury. AB - Stem cell therapies are currently gaining momentum in the treatment of spinal cord injury (SCI). However, unsatisfied intrinsic neurite growth capacity constitutes significant obstacles for injured spinal cord repair and ultimately results in neurological dysfunction. The present study assessed the efficacy of thrombospondin-1 (TSP-1), a neurite outgrowth-promoting molecule, modified bone marrow mesenchymal stem cells (BMSCs) on promoting neurite outgrowth in vitro and in vivo of Oxygen-Glucose Deprivation (OGD) treated motor neurons and SCI rat models. The present results demonstrated that the treatment of BMSCs+TSP-1 could promote the neurite length, neuronal survival, and functional recovery after SCI. Additionally, TSP-1 could activate transforming growth factor-beta1 (TGF-beta1) then induced the smad2 phosphorylation, and expedited the expression of GAP-43 to promote neurite outgrowth. The present study for the first time demonstrated that BMSCs+TSP-1 could promote neurite outgrowth and functional recovery after SCI partly through the TGF-beta1/p-Samd2 pathway. The study provided a novel encouraging evidence for the potential treatment of BMSCs modification with TSP-1 in patients with SCI. PMID- 29221206 TI - Single nucleotide polymorphisms rs701848 and rs2735343 in PTEN increases cancer risks in an Asian population. AB - We performed this meta-analysis to analyze the cancer risk to individuals carrying the rs701848 and rs2735343 single nucleotide polymorphisms (SNPs) in the phosphatase and tensin homolog (PTEN) gene. We searched the PubMed, EMBASE, Cochrane library and the national knowledge infrastructure of China (CNKI) databases and identified 18 eligible case-control studies with 5458 cases and 6003 controls for rs701848 as well as 5490 cases and 6209 controls for rs2735343. Our analyses demonstrated that cancer risk was associated with rs701848 in the recessive model (CC vs. CT+TT, OR=1.169, 95% CI: 1.061-1.288) and with rs2735343 in the dominant model (GC+CC vs. GG, OR=0.758, 95% CI: 0.590-0.972). Subgroup analysis showed that in Asian subjects, carrying the C allele of rs701848 or GG genotype of rs2735343 was associated with increased cancer risk. Moreover, Asian subjects carrying the TC/CC genotype or C allele of rs701848 were associated with increased risk of esophageal squamous cell cancer. This meta-analysis indicates that the PTEN rs701848 (CC) and rs2735343 (GG) polymorphisms are associated with increased cancer risk in Asian subjects. PMID- 29221207 TI - CHST6 mutation screening and endoplasmatic reticulum stress in macular corneal dystrophy. AB - Macular corneal dystrophy (MCD) is an autosomal recessive disorder mainly caused by gene mutations of carbohydrate sulfotransferase (CHST6) leading to bilateral visual impairment. Because the mechanism underlying this degeneration remains poorly understood, we investigated molecular alterations and pathways that may be involved in MCD in this issue. Different mutation sites were screened by direct sequencing of the coding region of CHST6. In addition, we described morphological changes in MCD keratocytes by light microscopy and electron microscopy and determined the relationship between the development of this disease and the occurrence of apoptosis through flow cytometry, cell counting kit-8, colony formation assay and other experiments. Western blotting and quantitative real time polymerase chain reaction were used to determine if endoplasmic reticulum (ER) stress was activated. We found 10 kinds of mutations among these families with 3 novel mutations included. The percentage of apoptotic keratocytes increased in MCD patients; furthermore, the expression of apoptosis related protein B-cell lymphoma-2 (Bcl-2) was down-regulated while Bcl-2 associated X protein was upregulated. Finally, ER stress was activated with the upregulation of glucose-regulated protein 78 and CCAAT-enhancer-binding protein homologous protein. Our clinical and in vitro results suggest that the CHST6 mutation associated with MCD is associated with apoptosis, and ER stress is probably involved in this apoptosis pathway. PMID- 29221208 TI - Higher expression of FOXOs correlates to better prognosis of bladder cancer. AB - Background: We aimed to explore the expression of forkhead box class O (FOXO) and relations between expressions of FOXOs and clinicopathological characteristics and prognosis of bladder cancer. Methods: We enrolled a cohort of 276 patients with bladder cancer in our study. Expressions of FOXOs in bladder cancer tissue and adjacent tissue were measured by quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry (IHC). Correlations between expression of FOXOs and clinicopathological characteristics and prognosis were analyzed. The relationship between expression of FOXOs and survival time of patients with bladder cancer was analyzed by the Kaplan-Meier survival analysis and the Log-rank test; individual variables which may affect the prognosis of bladder cancer were detected by the Cox proportional hazard regression model. Results: Compared with bladder cancer tissue, a higher expression of FOXOs was detected in paracancerous tissue. We found significant associations between histological grade and the expressions of FOXOs, clinical stage and the expressions of FOXOs, and lymph node metastasis and the expressions of FOXOs (all P < 0.05). When used for diagnosing bladder cancer, the mRNA expression of FOXO1/3/4 produced cut off values of 1.475, 1.305, and 1.295, respectively, exhibiting relatively high specificity and sensitivity. The Kaplan-Meier curves indicated that patients with a higher expression of FOXOs tended to have a longer overall survival than those with lower expression. The Cox regression analysis revealed that lymph node metastasis, high clinical stage, and low expression of FOXOs were independent risk factors for bladder cancer prognosis. Conclusion: Our results indicate that the expression of FOXOs is closely correlated with clinicopathological characteristics and prognosis of bladder cancer. PMID- 29221210 TI - The molecular classification of astrocytic tumors. AB - Aim: This study will explore the genetic and epigenetic alterations in astrocytomas, and identify the critical molecular signatures and signaling pathways for prognosis assessment by multiplatform comprehensive analysis. Method: We performed integration analyses of incorporating DNA methylation, mRNA expression, microRNA expression, and long non-coding RNA (lncRNA) expression in 33 astrocytic tumor tissues and 9 non-tumor brain tissues. Result: We observed that 11,795 DNA methylation sites, 3,627 genes, 136 microRNAs, and 3,334 lncRNAs were significantly differential between tumors and non-tumor brain tissues, and the filtered signatures through comprehensive analysis were significantly enriched in calcium signaling pathway. Furthermore, four signatures involved in calcium signaling pathway and age could contribute to predicting the patients' overall survival. Additionally, we identified differentially expressed signatures between IDH-mutated and IDH wild-type astrocytic tumors, and complement and coagulation cascades pathway was the most significant pathway in functional enrichment analysis using multiplatform data. The IDH wild-type astrocytomas were divided into two subtypes by Cluster of Cluster (CoC) analysis, one of which was enriched for astrocytomas overexpressed in chemokine signaling pathway. Conclusion: The calcium signaling pathway played a key role in astrocytoma tumorigenesis and prognosis. IDH mutation was a vital biomarker, and resulted in the change of expression level in complement and coagulation cascades pathway. The chemokine signaling pathway could characterize subtypes of IDH wild-type astrocytomas. PMID- 29221209 TI - Direct HPV E6/Myc interactions induce histone modifications, Pol II phosphorylation, and hTERT promoter activation. AB - Human Papillomavirus Viruses (HPVs) are associated with the majority of human cervical and anal cancers and 10-30% of head and neck squamous carcinomas. E6 oncoprotein from high risk HPVs interacts with the p53 tumor suppressor protein to facilitate its degradation and increases telomerase activity for extending the life span of host cells. We published previously that the Myc cellular transcription factor associates with the high-risk HPV E6 protein in vivo and participates in the transactivation of the hTERT promoter. In the present study, we further analyzed the role of E6 and the Myc-Max-Mad network in regulating the hTERT promoter. We confirmed that E6 and Myc interact independently and that Max can also form a complex with E6. However, the E6/Max complex is observed only in the presence of Myc, suggesting that E6 associates with Myc/Max dimers. Consistent with the hypothesis that Myc is required for E6 induction of the hTERT promoter, Myc antagonists (Mad or Mnt) significantly blocked E6-mediated transactivation of the hTERT promoter. Analysis of Myc mutants demonstrated that both the transactivation domain and HLH domain of Myc protein were required for binding E6 and for the consequent transactivation of the hTERT promoter, by either Myc or E6. We also showed that E6 increased phosphorylation of Pol II on the hTERT promoter and induced epigenetic histone modifications of the hTERT promoter. More important, knockdown of Myc expression dramatically decreased engagement of acetyl-histones and Pol II at the hTERT promoter in E6-expressing cells. Thus, E6/Myc interaction triggers the transactivation of the hTERT promoter by modulating both histone modifications, Pol II phosphorylation and promoter engagement, suggesting a novel mechanism for telomerase activation and a new target for HPV- associated human cancer. PMID- 29221211 TI - The prevalence of polycystic ovary syndrome in reproductive-aged women of different ethnicity: a systematic review and meta-analysis. AB - The prevalence of PCOS was investigated in many studies in different continents. However, there is no established prevalence of PCOS for distinct ethnic groups. In the current analysis, we conducted searches in PubMed, The Cochrane Library, EMBASE, CINAHL up to Jan. 2017 to identify studies reporting prevalence of PCOS in the general female population. Forty-two studies were identified, with 13 eligible for evidence synthesis. The prevalence among different ethnicity was estimated using random effect modelling. Our results suggested the lowest prevalence in Chinese women(2003 Rotterdam criterion: 5.6% 95% interval: 4.4 7.3%), and then in an ascending order for Caucasians (1990 NIH criterion: 5.5% 95% interval: 4.8-6.3%), Middle Eastern (1990 NIH 6.1% 95% interval: 5.3-7.1%; 2003 Rotterdam 16.0% 95% interval: 13.8-18.6%; 2006 AES 12.6% 95% interval: 11.3 14.2%), and Black women (1990 NIH: 6.1% 95% interval: 5.3-7.1%).There is variation in prevalence of PCOS under different diagnostic criteria and across ethnic groups. This emphasises the need for ethnicity-specific guidelines for PCOS to prevent under- or over-diagnosis of the condition given that under diagnosis may lead to rapid conversion of metabolic disorders for patients whereas over-diagnosis may exert negative psychological effects on patients which worsens the major symptoms of PCOS. PMID- 29221212 TI - Prognostic and clinicopathological significance of MUC expression in head and neck cancer: a systematic review and meta-analysis. AB - The prognostic value of mucins expression in patients with head and neck cancer (HNC) remains controversial. To address this, a meta-analysis was performed to systematically evaluate prognostic significance of mucins expression in HNC. Electronic and manual searches were performed and a total of 20 studies including 2046 patients were selected for the final analysis. Increased mucins expression was associated with unfavorable overall survival in HNC patients (HR=1.83, 95% CI: 1.43-2.33, p=0.000). Mucins overexpression was also in correlation with more advanced TNM stage (RR=0.84, 95% CI: 0.73-0.97, p=0.017), higher risk of lymph node metastasis (RR=0.69, 95% CI: 0.57-0.84, p=0.000) and deeper invasion (RR=0.58, 95% CI: 0.44-0.76, p=0.000). These results suggested that elevated mucins expression was significantly associated with worse prognosis and more detrimental clinicopathological outcomes, revealing the promising potential of mucins as biomarkers for HNC management. PMID- 29221213 TI - The prognostic significance of high/positive expression of cyclin B1 in patients with three common digestive cancers: a systematic review and meta-analysis. AB - Recently, several studies have reported that the expression of cyclin B1 may be associated with the prognosis of cancer. Nevertheless, their conclusions were still controversial. The present was designed to analyze and evaluate the prognostic role of cyclin B1 expression in patients with digestive cancer. PubMed, Embase, Cochrane Library and Web of Science were searched to January, 2017. Pooled odds ratio (OR) with 95% confidence intervals (CIs) were estimated. For the pooled OR estimates of OS, we performed subgroup analysis. Besides, sensitivity analysis was performed to examine the stability of the combined results. All statistical analyses were performed using standard statistical procedures provided in RevMan 5.2. A total of 12 studies (N = 2080 participants) were included for this meta-analysis. The positive/high expression of cyclin B1 had an obvious association with both 3-year overall survival (OR 0.21, 95% CI 0.12-0.37; P < 0.00001) and 5-year overall survival (OR 0.20, 95% CI 0.12-0.34; P < 0.00001) in esophageal cancer, and 5-year overall survival of colorectal cancer (OR 2.01, 95% CI 1.32-3.08; P = 0.001). This meta-analysis indicated that positive/high expression of cyclin B1 may have a close association with worse survival in patients with esophageal cancer, but better prognosis in patients with colorectal cancer. PMID- 29221215 TI - DNMT1 overexpression predicting gastric carcinogenesis, subsequent progression and prognosis: a meta and bioinformatic analysis. AB - DNMT1 is important in maintaining DNA methylation, and participates in the oncogenesis via up- or down-regulation leading to hyper-methylation or hypo methylation. In the meta and bioinformatic analysis, we found that DNMT1 expression was higher in gastric cancer, compared with normal (p < 0.00001), para cancerous (p = 0.0004) and dysplasia (p < 0.00001) tissues. DNMT1 up-regulation was associated with gender (OR = 2.27, p = 0.006), differentiation (OR = 0.21, p = 0.01) and TNM stage (OR = 0.31, p = 0.0005). Through TCGA database, DNMT1 overexpression increased gastric cancer risk, but unrelated with clinicopathological parameters and prognosis. Kaplan-Meier plotter showed, an increasing expression of DNMT1 was positive for overall survival rates of patients with stage III and IV (P = 0.044; P = 0.047), N2 and N1-3 phases of lymph node metastasis (P = 0.023; P = 0.032), as well as those with or without distant metastasis (P = 0.0052; P = 0.021). For DNMT1 negative patients, the progression-free survival rates was better in patients with Her2+ or Her2- than positive ones (P = 0.00015; P = 0.031). Besides, surgery alone was effective for the overall survival rates in patients with DNMT1 high expression (P = 0.035), while 5-Fu was useful for those with low expression (P < 0.05). In conclusion, these findings provided evidence that DNMT1 expression might be employed as a potential marker to indicate gastric carcinogenesis and subsequent progression, even prognosis. PMID- 29221214 TI - Prognostic value of MICA/B in cancers: a systematic review and meta-analysis. AB - Purpose: MHC class I chain related-proteins A (MICA) and B (MICB) are natural killer group 2D ligands that mediate tumor surveillance. Several studies have suggested that MICA/B levels predict clinical outcomes in patients with cancer; however, this remains contentious. Here, we present a systematic review and meta analysis of available studies of the prognostic value of MICA/B in cancer. Materials and Methods: We searched PubMed, Embase, Clinicaltrials.gov, and Cochrane Library to identify studies published from inception to July 2017 that assessed MICA/B in patients with cancer. The hazard ratio (HR) and 95% confidence interval (CI) of MICA/B were extracted for overall survival (OS) analysis. Results: A total of 19 studies comprising 2,588 patients with 10 different types of cancer were included in the study. Low sMICA/B levels were found associated with significantly longer OS (HR = 1.65, 95% CI [1.42-1.92], P < 0.00001). Patients with cancers of digestive system that exhibited high MICA/B expression had significantly longer OS in (HR = 0.56, 95% CI [0.39-0.80], P = 0.002) compared with those with lower MICA/B expression (I2 = 35%, P = 0.18). Conclusions: Serum soluble MICA/B represents a potential prognostic marker in various human cancers. High cell-surface MICA/B expression in cancers of the digestive system was found associated with increased survival. PMID- 29221216 TI - Probiotics in 14-day triple therapy for Asian pediatric patients with Helicobacter pylori infection: a network meta-analysis. AB - : Although 14-day triple therapy has been widely administrated for eradicating Helicobacter pylori (H. pylori) in Asia, its antibiotic-associated side effects restrict the effectivity of eradication therapy in pediatric patients. Therefore, a network meta-analysis (NMA) was conducted to compare the efficacy and safety of probiotics supplemented in 14-day triple therapy in Asian pediatric patients. Materials and Methods: Randomized controlled trials (RCTs) were retrieved comprehensively in electronic databases (such as PubMed, Cochrane library, Embase, CNKI, Wan fang database, VIP database and CBM) until April 2017. Additional references were obtained from reviewed articles. NMA was performed using a random-effects model under a frequentist framework. Results: Seventeen RCTs were included. NMA indicated that Bifidobacterium infantis+Clostridium butyricum was most beneficial for H. pylori eradication rates (P-score = 0.82) and Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis for total side effects (P-score = 0.77). Taken together, Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis was the best one to supplement in 14-day triple therapy due to its efficacy (P-score = 0.72) and safety (P-score = 0.77). Additionally, pairwise meta-analysis indicated that probiotics supplemented 14 day triple therapy significantly increased H. pylori eradication rates (RR: 1.16, 95%CI: 1.07-1.26) and reduced the incidence of total side effects (RR: 0.40, 95%CI: 0.34-0.48) compared with placebo. Conclusions: Bacillus mesentericus+Clostridium butyricum+Streptococcus faecalis is the optimal probiotic regime of reducing total side effects and improving eradication rates when supplemented 14-day triple therapy. Further direct evidence is needed to warrant it. PMID- 29221217 TI - The association between human papillomavirus infection and lung cancer: a system review and meta-analysis. AB - To estimate the global attributable fraction of human papillomavirus (HPV) in lung cancer, we provided updated information through a system review and meta analysis. We did a literature search on PubMed, Ovid and Web of Science to identify case-control studies and cohort studies that detected HPV in lung carcinomas. We included studies that tested 30 or more cases and were published before Feb 28, 2017. We collected information about gender, smoking status, HPV detection methods, HPV types, materials and clinical features. If it was not possible to abstract the required information directly from the papers, we contacted the authors. A meta-analysis was performed to calculate the pooled effect sizes (OR/RR) with 95% confidence intervals (CI) including subgroup analysis and meta-regression to explore sources of heterogeneity, by Stata 13.0 software. 36 case-control studies, contributing data for 6,980 cases of lung cancer and 7,474 controls from 17 countries and one cohort study with 24,162 exposed and 1,026,986 unexposed from China were included. HPV infection was associated with cancer of lung, pooled OR was 3.64 (95% CI: 2.60-5.08), calculated with the random-effects model. Pooled OR for allogeneic case-control studies, self-matched case-control studies and nested case-control studies were 6.71 (95% CI: 4.07-11.07), 2.59 (95% CI: 1.43-4.69) and 0.92 (95% CI: 0.63-1.36), respectively. Pooled OR for HPV 16 and HPV 18 infection, were 3.14 (95% CI: 2.07 4.76) and 2.25 (95% CI: 1.49-3.40), respectively. We also found that HPV infection may be associated with squamous cell carcinoma, adenocarcinoma and small cell carcinoma. There is evidence that HPV infection, especially HPV 16 and HPV 18 infection, significantly increase the risk of lung cancer. Future research needs to focus attention toward whether an HPV vaccine can effectively reduce the incidence of lung cancer. PMID- 29221218 TI - TERT rs2736098 (Ex2-659G>A) polymorphism and cancer susceptibility: evidence from a comprehensive meta-analysis. AB - : Increasing researches have been performed regarding the relationship between TERT rs2736098 and cancer risk, but no consensus has been reached about the relationship. Here, we conducted this updated meta-analysis, aiming to comprehensively evaluate the role of TERT rs2736098 in cancer risk. We systematically searched potential relevant articles through PubMed, EMBASE, CNKI, and WanFang database before August 2017. A total of 33 studies with 18685 cases and 23820 controls were finally included in the current meta-analysis. We then adopted odds ratios (ORs) and 95% confidence intervals (CIs) to analyze the contributions of TERT rs2736098 to cancer risk. We found that the TERT rs2736098 polymorphism was associated with risk of cancer in overall analysis (AA vs. GG: OR = 1.26, 95% CI = 1.09-1.47; AA vs. AG/GG: OR = 1.22, 95% CI = 1.09-1.36; AA/AG vs. GG: OR = 1.13, 95% CI = 1.02-1.24; A vs. G: OR = 1.11, 95% CI = 1.04-1.20). Furthermore, in analysis stratified by cancer type, ethnicity, control source, quality score, and Hardy-Weinberg equilibrium (HWE) in controls, we found increased risk of cancer among lung cancer, bladder cancer, breast cancer, colorectal cancer, other cancers, Asians, hospital-based subgroup, score > 9 group, as well as controls agreement with HWE group. Despite some limitations, the current meta-analysis represented the largest and the most comprehensive investigations, with the strongest conclusion than ever before. To further explicit the association between TERT rs2736098 and cancer risk, more well-design case-control studies with larger sample size are warranted in the future. PMID- 29221219 TI - The paradox of the first cycle of chemotherapy-transient improvement of contractility and diastolic function after the first cycle of anthracycline-based chemotherapy: a prospective clinical trial. AB - Aims: Breast cancer is the most common cancer among women, and anthracyclines are the most commonly administered drugs for these patients. Cardiotoxicity is one of the complications, which limits the success of this therapy. Very few studies have evaluated anthracycline toxicities within the first few hours after the first infusion, and the majority of published studies were performed in animal models. The present study aimed to evaluate changes in echocardiographic parameters in women with breast cancer 24 hours after receiving the first dose of an anthracycline. Materials and Methods and Results: The present study included 75 chemotherapy-naive female patients without heart failure, who were diagnosed with breast cancer and were scheduled to undergo anthracycline-based chemotherapy (epirubicin and doxorubicin). During their visits to the Heart Center, the patients underwent detail echocardiographic examination, including assessment of systolic and diastolic function and longitudinal strain. There were no differences in baseline echocardiographic parameters between patients with and those without cardiotoxicity. Cardiotoxicity was observed during follow-up in 14 patients (18.7%). Improvements in left ventricular ejection fraction and global longitudinal strain were observed at 24 hours after administration of the cytotoxic agent in the subgroup of patients without further cardiotoxicity. The changes were transient and the assessment of left ventricular ejection fraction after completion of chemotherapy revealed similar values to those before the treatment. Conclusions: The findings of our study suggest that transient improvement in contractility and systolic and diastolic function might occur 24 hours after anthracycline administration, especially in patients who do not develop cardiotoxicity. PMID- 29221220 TI - Significant benefit of Nivolumab treating PD-L1 positive metastatic pulmonary carcinosarcoma: a case report and literature review. AB - Immunotherapy has recently become a new focus for the treatment of malignant tumors following the surgery, chemotherapy, radiotherapy, and molecular targeted therapy. Nivolumab, a human monoclonal antibody, is the first programmed cell death protein-1 (PD-1) inhibitor, which can prohibit the interaction of its ligand (PD-L1), restoring the immune response of T cells, and enhancing the recognition of tumor cells by the immune system. Pulmonary carcinosarcoma is an uncommon but highly aggressive tumor type with a poor prognosis. We described a case of pulmonary carcinosarcoma, with the positive expression of PD-L1, obtained a significant benefit from Nivolumab treatment in a 64-year-old Chinese man, which give us a clue that patients with pulmonary carcinosarcoma may benefit fromanti-PD-1 immunotherapy. PMID- 29221221 TI - Aortic valve replacement after bypass surgery: surgical (SAVR) or transcatheter (TAVR). PMID- 29221222 TI - Polymyxin B hemoperfusion in septic shock: nothing overmuch (Meden Agan)! PMID- 29221223 TI - Three-dimensional printing in cardiovascular surgery: logical next step after three-dimensional imaging. PMID- 29221224 TI - Acute diseases, emergency admissions and mortality during weekends: should we be worried? PMID- 29221226 TI - Unraveling the mystery of dreams. PMID- 29221225 TI - Mediastinal lymph node dissection in surgical treatment for early stage non-small cell lung cancer: lobe-specific or systematic? PMID- 29221227 TI - PET-guided treatment algorithms in oesophageal cancer: the promise of the near future! PMID- 29221228 TI - Transcription factor SPZ1 may promote TWIST-mediated epithelial-mesenchymal transition in thoracic malignancies. PMID- 29221229 TI - Tracking occult pN2 disease after mediastinal dissection in early stage lung cancer. PMID- 29221230 TI - Neoadjuvant strategy for stage IIIA-N2 non-small cell lung cancer: chemoradiation or chemotherapy alone? PMID- 29221231 TI - Primary prevention implantable cardioverter defibrillator in patients with reduced ejection fraction: for ischemic or non-ischemic cardiomyopathy or both? PMID- 29221232 TI - Ischemic postconditioning during primary percutaneous coronary interventions-not ready for prime time. PMID- 29221233 TI - Taking the measure of lung adenocarcinoma: towards a quantitative approach to tumor spread through air spaces (STAS). PMID- 29221234 TI - Editorial on "Neurologic injury in adults supported with veno-venous extracorporeal membrane oxygenation for respiratory failure: findings from the Extracorporeal Life Support Organization database". PMID- 29221235 TI - Triaging patients with left main disease after the EXCEL and NOBLE trials: the everlasting saga of coronary artery bypass grafting and percutaneous coronary intervention. PMID- 29221236 TI - Checkpoint inhibitors in metastatic epidermal growth factor receptor-mutated non small cell lung cancer patients: where we treating the wrong cancer? PMID- 29221237 TI - Neurologic complications during V-V extracorporeal membrane oxygenation: still counting.... PMID- 29221238 TI - Protecting lungs during spontaneous breathing: what can we do? PMID- 29221239 TI - Inflammatory status and prognosis of locally advanced non-small cell lung cancer. PMID- 29221240 TI - Composite metrics in response assessment-new hope in oesophageal cancer? PMID- 29221241 TI - ATHOS-3 and the knights of the round table-the search for the holy grail of vasopressors. PMID- 29221242 TI - Practical clinical applications of 3-D printing in cardiovascular surgery. PMID- 29221243 TI - Transcatheter aortic valve implantation with the repositionable and fully retrievable Lotus Valve SystemTM. PMID- 29221244 TI - The Lotus dilemma-respond to paravalvular leakage, but not answering pacemaker implantations? PMID- 29221245 TI - In sepsis, beyond adherence, timeliness matters. PMID- 29221246 TI - Moving more potent and less toxic options to the frontline in the management of advanced lung cancer. PMID- 29221247 TI - Should cT2 esophageal cancer get neoadjuvant treatment before surgery? PMID- 29221248 TI - The search for long-term outcome predictors. PMID- 29221249 TI - Antimicrobial prophylaxis is critical for preventing surgical site infection. PMID- 29221250 TI - Should cT2N0M0 be managed as a localized or locally advanced esophageal carcinoma? PMID- 29221251 TI - Unless I see, I will not believe. PMID- 29221252 TI - Pure ground-glass nodules: are they really indolent? PMID- 29221253 TI - Twice-daily chemoradiotherapy must still be the choice for patients with limited stage small-cell lung cancer. PMID- 29221254 TI - Recent studies move closer to answering questions about sequential therapy for anaplastic lymphoma kinase-rearranged non-small cell lung cancer. PMID- 29221255 TI - Anticoagulating atrial fibrillation patients: is there a kidney-friendly choice? PMID- 29221256 TI - Exercise Doppler echocardiography for the diagnosis of pulmonary hypertension: renewed interest and evolving roles. PMID- 29221257 TI - Adenocarcinoma in pure ground glass nodules: histological evidence of invasion and open debate on optimal management. PMID- 29221258 TI - Neoadjuvant DCF vs. ACF for resectable oesophageal squamous cell carcinoma. PMID- 29221259 TI - Recent advances in video-assisted transthoracic tracheal resection followed by reconstruction under non-intubated anesthesia with spontaneous breathing. PMID- 29221260 TI - Thoracoscopic tracheal resection and reconstruction: video-assisted thoracoscopic surgery as a "tool" toward minimally invasive surgery. PMID- 29221261 TI - Clinical analysis of acute myocardial infarction caused by coronary embolism. AB - Background: This study aims to investigate the clinical and angiographic features in patients with acute myocardial infarction (AMI) induced by coronary artery embolism. Methods: Clinical data of five patients with AMI induced by coronary artery embolism were analyzed retrospectively. Results: One patient had left atrial myxoma, one patient had non-valvular atrial fibrillation, and three patients had rheumatic heart disease. Furthermore, one patient had mitral mechanical valve prostheses, two patients had atrial fibrillation. Coronary angiography showed the absence of significant atherosclerostic lesions in the coronary arteries except infarct related artery in five patients. Angiography suggested the presence of IRA occlusion caused by embolism. Conclusions: The status for AMI due to coronary artery embolism usually expresses embolic material originating from the left heart chambers. Rheumatic heart disease and atrial fibrillation are the common reasons for coronary artery embolism. Coronary artery occlusion is the common performance in the results of primary coronary artery angiography. Sometimes it expresses visible signs of embolism. PMID- 29221262 TI - Differences in airway remodeling and airway inflammation among moderate-severe asthma clinical phenotypes. AB - Background: To identify asthma clinical phenotypes using cluster analysis and improve our understanding of heterogeneity in asthma. Methods: Clustering approaches were applied to 203 patients who were diagnosed with asthma in XinHua Hospital (January 2012 to December 2015). One hundred and twenty patients underwent multi-slice spiral computed tomography (MSCT) examination and 30 underwent bronchial mucosal biopsy for evaluation of airway remodeling and airway inflammation among the phenotypes. Results: Four groups were identified. Patients in cluster 1 (n=52) had early onset atopic asthma and patients in cluster 2 (n=65) had small airway obstruction and atopic asthma. Cluster 3 (n=52) was a unique group of patients with late-onset and non-atopic asthma. Patients in cluster 4 (n=34) had severe airflow obstruction and obvious airway remodeling as observed on MSCT (P<0.05). According to the immunohistochemistry of IL-5 and IL 17 (P<0.05), the results of clusters 1 and 2 may be attributable to the Th2 immune response, whereas those of clusters 3 and 4 to the Th17 immune response. Conclusions: Four distinct clinical phenotypes of asthma were identified by cluster analysis. The results of the MSCT and pathological examinations may suggest specific pathogeneses among the phenotypes. PMID- 29221263 TI - A prospective randomized trial comparing homologous and autologous fibrin sealants for the control of alveolar air leak. AB - Background: Postoperative air leak is a common complication seen after pulmonary resection. It is a significant reason of morbidity and also leads to greater hospital cost owing to prolonged length of stay. The purpose of this study is to compare homologous sealant with autologous one to prevent air leak following pulmonary resection. Methods: A total of 57 patients aged between 20 and 79 (mean age: 54.36) who underwent pulmonary resection other than pneumonectomy (lobar or sublobar resections) were analyzed. There were 47 males (83%) and 10 females (17%). Patients who intraoperatively had air leaks were randomized to receive homologous (Tisseel; n=28) or autologous (Vivostat; n=29) fibrin sealant. Differences among groups in terms of air leak, prolonged air leak, hospital stay, amount of air leak were analyzed. Results: Indications for surgery were primary lung cancer in 42 patients (71.9%), secondary malignancy in 5 patients (8.8%), and benign disease in 10 patients (17.5%). Lobectomy was performed in 40 patients (70.2%), whereas 17 patients (29.8%) had wedge resection. Thirteen (46.4%) patients developed complications in patients receiving homologous sealant while 11 (38.0%) patients had complication in autologous sealant group (P=0.711). Median duration of air leak was 3 days in two groups. Time to intercostal drain removal was 3.39 and 3.38 days in homologous and autologous sealant group respectively (P=0.978). Mean hospital stay was 5.5 days in patients receiving homologous sealant whereas it was 5.0 days in patients who had autologous agent (P=0.140). There were no significant differences between groups in terms of measured maximum air leak (P=0.823) and mean air leak (P=0.186). There was no significant difference in the incidence of complications between two groups (P=0.711). Conclusions: Autologous and heterologous fibrin sealants are safe and acts similarly in terms of air leak and hospital stay in patients who had resectional surgery. PMID- 29221264 TI - Continuation of gefitinib plus chemotherapy prolongs progression-free survival in advanced non-small cell lung cancer patients who get acquired resistance to gefitinib without T790M mutations. AB - Background: Aimed to identify the benefit population from continuation of epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs), this study investigated the efficacy of continuation of EGFR-TKIs plus chemotherapy beyond the response evaluation criteria in solid tumors-progressive disease (RECIST-PD) according to different progression modes and T790M mutational status. Methods: From November 2009 to July 2015, 630 patients with advanced non-small cell lung cancer (NSCLC) receiving gefitinib as initial EGFR-TKI treatment were screened in Shanghai Pulmonary Hospital. A total of 170 patients with documented gradual or dramatic progression after gefitinib treatment who received chemotherapy alone or in combination with gefitinib were included. Post-RECIST-PD progression-free survival (PPFS) between continuation of gefitinib plus chemotherapy and chemotherapy alone was assessed. Results: The incidence of T790M mutation was 42.9% (63/147) in patients who got acquired resistance in this study. Median PPFS was 4.0 months [95% confidence interval (CI), 3.1-4.9 months] in the chemotherapy group and 5.0 months (95% CI, 3.6-6.4 months) in the combination group with a borderline statistical significance (P=0.071). Continuation of gefitinib plus chemotherapy resulted in a significant improvement in PPFS compared with chemotherapy alone in patients with EGFRT790M-negative tumors [median PPFS: 6.6 vs. 3.5 months, hazard ratio (HR) 0.50, 95% CI, 0.29 0.88; P=0.011], especially in pemetrexed-based chemotherapy (HR 0.45, 95% CI, 0.24-0.86; P=0.011). PPFS was similar in patients with EGFRT790M-positive tumors (median PPFS: 5.0 vs. 5.5 months, HR 0.80, 95% CI, 0.40-1.61; P=0.520) or EGFRT790M-unknown tumors (median PPFS: 2.0 vs. 3.0 months, HR 1.40, 95% CI, 0.69 2.81; P=0.323). Conclusions: Our study showed that continuous gefitinib plus chemotherapy, especially pemetrexed-based therapy, significantly improved PPFS in patients with EGFRT790M-negative tumors as compared with chemotherapy alone, suggesting that this subtype of patients may derive clinical benefit from continuation of gefitinib treatment beyond progression. PMID- 29221265 TI - Outcomes of surgical treatment in 115 patients with primary cardiac tumours: a 15 year experience at a single institution. AB - Background: Primary cardiac tumours are rare, and few studies have examined large samples. The aim of this study was to review a single institution's 15 years of experience with primary cardiac tumours. Methods: We conducted a retrospective analysis of 119 consecutive patients admitted to the Nanjing Drum Tower Hospital from April 2002 to January 2017. Five patients declined surgery due to illness or for financial reasons, and one patient underwent a second operation due to tumour recurrence 10 years after the first operation. In total, 115 patients underwent surgery. The surgeons used median sternotomy and a right atrial approach to complete the gross total resection. The patients were separated into three groups according to their tumour pathology (myxomas, other benign tumours, or malignant tumours). A total of 84 patients were followed up for an average of 34.8+/-31.2 months (range 2-141 months). Results: The sites of the cardiac tumours included the left atrium (n=93, 80.1%), right atrium (n=14, 14.0%), left ventricle (n=2, 1.7%), valves (n=7, 6.0%), and other sites (n=1, 0.8%). According to the postoperative pathology, 99 (86.0%) tumours were classified as myxomas, 8 (7.0%) were other types of benign tumours, and 8 (7.0%) were malignant tumours. Patients with malignant tumours had a longer surgical time (P=0.035) and postoperative hospitalization time (P=0.009). Patients with myxoma tumours exhibited better 5 year survival than patients with malignant tumours (95.7% vs. 57.1%, P<0.001). Conclusions: In the Chinese population, the incidence of primary cardiac tumours is mainly attributable to myxomas. Gross total resection is a safe and effective treatment for both benign and malignant tumours. Long-term survival is satisfactory for benign tumours but low for malignant tumours, and a risk of recurrence exists. Postoperative chemotherapy or radiotherapy may be needed to achieve better outcomes. PMID- 29221266 TI - Prognostic impact of controlling nutritional status score in resected lung squamous cell carcinoma. AB - Background: The preoperative immune-nutritional status has been shown to predict the postoperative prognosis in various types of cancer; however, the prognostic significance of the controlling nutritional status (CONUT) score in resected lung squamous cell carcinoma (SCC) has yet to be elucidated. Methods: A total of 108 patients with resected lung SCC were analyzed for their clinicopathological factors, including the CONUT score, which can be calculated from the serum albumin, total cholesterol, and total peripheral lymphocyte count. The patients were divided into two groups: CONUT low (0 or 1) or high (>=2). Results: Among 108 patients, 76 (70.4%) were CONUT low, while 32 (29.6%) were CONUT high. No significant association between the CONUT score and the clinicopathological factors was found. Patients with CONUT high exhibited significantly shorter disease-free and overall survivals (DFS and OS) than those with CONUT low (P=0.016 and P=0.006, respectively). Multivariate analyses showed that the CONUT score [hazard ratio (HR): 1.902, 95% confidence interval (CI): 1.045-3.373, P=0.036], age (HR: 2.286, 95% CI: 1.246-4.304, P=0.007), pathological stage (HR: 2.527, 95% CI: 1.391-4.644, P=0.002), and lymphatic invasion (HR: 2.321, 95% CI: 1.110-4.493, P=0.027) were independent prognostic factors for the DFS. Furthermore, in a multivariate analysis, the CONUT score (HR: 1.909, 95% CI: 0.902-3.860, P=0.081), age (HR: 2.455, 95% CI: 1.208-5.178, P=0.013), pathological stage (HR: 2.488, 95% CI: 1.201-5.306, P=0.014), and lymphatic invasion (HR: 3.409, 95% CI: 1.532-7.240, P=0.004) were shown to be independent prognostic factors for the OS. Conclusions: The current study showed that the CONUT score was an independent prognostic factor for the DFS and OS in patients with resected lung SCC. PMID- 29221267 TI - The acceptance of illness, the intensity of pain and the quality of life in patients with lung cancer. AB - Background: Lung cancer is the major cause of cancer related deaths worldwide. The overall 5-year survival rate is very low and accounts for only 15%. Poor quality of life is considered a prognostic factor for shorter survival in lung cancer patients. The aim of the study was to examine the relationships between pain, the acceptance of illness and quality of life in patients with lung cancer. Methods: The study included 155 patients with lung cancer with mean age of 62.23 [standard deviation (SD)=9.86] years. We used the Acceptance of Illness Scale (AIS) and the Visual Analog Scale (VAS) for pain, and the Short Form Health Survey (SF-8) for the assessment of quality of life. For statistical analysis, Spearman's rank correlation coefficient and linear regression method were used. Results: Mean score of the acceptance of illness was 27.1 (SD=9.2). Mean score of the pain severity as measured by the VAS was 4.07 (SD=1.83). The acceptance of illness was significantly positively correlated with all the domains of quality of life. Both the AIS and the VAS were independent determinants of physical and mental components of quality of life. Age and World Health Organization (WHO) performance status were additional predictors of physical component of quality of life. Conclusions: The knowledge about the acceptance of illness, consequences of the decreased acceptance of illness, and factors affecting its level in patients with lung cancer is still insufficient. Relationships among acceptance of illness, quality of life, and pain should be further investigated. PMID- 29221268 TI - The introduction of electromagnetic navigation bronchoscopy for the diagnosis of small pulmonary peripheral lesions in an Asian population. AB - Background: Electromagnetic navigation bronchoscopy (ENB) is emerging as a useful new technique for diagnosing small pulmonary peripheral lesions (SPPLs). However, the accuracy and efficiency of ENB have not been investigated in Asian populations where the differential diagnoses for SPPLs may be different. To analyze this question, this study included patients who received diagnostic ENB followed by surgery for the excision of SPPLs. Methods: Consecutive patients referred to the Department of Thoracic Surgery, Shanghai Pulmonary Hospital (Tongji University), between May 2014 and April 2015 were recruited. ENB was used to obtain biopsy tissue and make a diagnosis, which was then confirmed by histopathological examination. Results: The ENB was performed on 84 SPPLs of 78 patients in the study, with four patients having more than one SPPL. It successfully reached and biopsied 81 lesions. The average ENB navigation time was 10.8 minutes (range, 0.5-52 minutes). No mortality occurred, with only two complications (one bleeding and one pneumothorax). The mean diameter of the biopsied SPPLs was 19.0 mm (range, 5.0-30.0 mm). The distance from the sensor probe to the focus was 8.0 mm (range, 1-16 mm). ENB diagnosis had identical results with histopathology examination in 81 lesions (37 lung cancer and 41 non lung cancer). The sensitivity of ENB was 92.9% (78 out of 84 lesions) in this study. Conclusions: These data suggested that ENB was an accurate and efficient procedure to sample and diagnose SPPLs in the Asian population. It appeared that ENB had a high percentage of successful results in both navigating and aiding in the diagnosis of SPPLs in the Asian population. PMID- 29221269 TI - Cluster analysis of acute ascending aortic dissection provides novel insight into mechanisms of distal progression. AB - Background: Whether primary tear size impacts extent of type A dissection is unclear. Using statistical groupings based on dissection morphology, we examined its relationship to primary tear area. Methods: We retrospectively reviewed 108 patients who underwent acute ascending dissection repair from 2000-2016. Dissection morphology was characterized using 3-dimensional (3D) reconstructions of computed tomography (CT) scan images. Two-step cluster analysis was performed to group the dissections by examining the true lumen area as a fraction of the total aortic area at various levels. Results: Cluster analysis defined two distinct categories. This first grouping corresponds to DeBakey type I (n=71, 65.7%) with a dissection extending from the ascending aorta to the aortic bifurcation. The second grouping conforms more closely to DeBakey type II dissection (n=37, 34.3%). It differs however from the classic type II definition as the dissection may extend up to the distal arch from the ascending aorta. Compared to type I, this "extended" DeBakey type II had no malperfusion (P<0.05), a larger primary tear area (6.6 vs. 3.7 cm2, P=0.009), and a greater burden of atherosclerotic coronary artery disease (P<0.05). A smaller aortic valve annulus (P=0.025) and a smaller root false lumen area (P=0.017) may explain less aortic valve insufficiency (P<0.05) in extended type II dissections. No differences in complications or survival were seen. Conclusions: In this series, limited distal extension of DeBakey type II dissections appears to be related to a larger primary tear area and greater atherosclerotic disease burden. It is also associated with less malperfusion and aortic valve insufficiency. PMID- 29221270 TI - Analysis of the clinical differentiation of pulmonary sclerosing pneumocytoma and lung cancer. AB - Background: Pulmonary sclerosing pneumocytoma (PSP) is a rare benign lung tumor. This study investigated the diagnostic experience of PSP and lung cancer. Methods: This study is a retrospective study. We observed the locations of lung lesions, imaging form and clinical symptoms, and recorded the surgical complications through comparing patients with PSP and lung cancer. Results: From December 2012 to February 2017, 187 PSP cases and 197 lung cancer cases were collected. PSP was commonly found in women (88.2%), often occurred in the left lower lobe (32.6%), and was associated with a lesion size of 10-20 mm (48.7%). PSP patients presented with cough, sputum, chest pain, and most patients had a single lesion, which could showed no clear boundary. Most PSP patients exhibited no enlargement of mediastinal lymph nodes, had no involvement of the blood vessels, and had low computed tomography (CT) values (low Hounsfield units). Lung cancers were more commonly found in men (69.0%), with the lesions scattered throughout all lobes of the lung. Cases with a tumor size >30 mm accounted for 76.2% of patients. Lung cancer patients also presented systemic symptoms, and the tumors were found to have unclear boundaries. Moreover, patients presented with enlarged mediastinal lymph nodes, high CT values, and heterogeneous internal tumor texture. Conclusions: This study showed that PSP was rare and difficult to differentiate from lung cancer. PSP was often found in 40-70-year-old non-smoking women and most patients presented with cough and sputum. Patients often had a single lesion, which was commonly located in the left lower lobe and could have unclear boundaries. The majority of patients exhibited no enlargement of mediastinal lymph nodes and had low CT values. Therefore, our results can provide some basis for the differential diagnosis of PSP and lung cancer. PMID- 29221271 TI - Minimally invasive esophagectomy is a safe surgical treatment for locally advanced pathologic T3 esophageal squamous cell carcinoma. AB - Background: Previous studies have shown that minimally invasive esophagectomy (MIE) is safe and feasible. However, several of these studies had selection bias because they included more patients with early-stage cancer, and no study has compared the outcomes of locally advanced pathologic T3 (pT3) esophageal carcinoma between MIE and open surgery. Methods: This retrospective analysis included 229 patients with stage pT3 esophageal squamous cell carcinoma (ESCC) who underwent esophagectomy from January 2013 to June 2015. The outcomes included operative outcomes, postoperative complications, recurrence, and mid-term survival. Results: Sixty-six patients underwent MIE and 163 patients underwent open surgery. No significant difference was noted in blood loss or resection completeness (R0) between the two groups. The operative duration was longer in the MIE than open surgery group (266.5+/-52.5 vs. 218.1+/-47.4, P<0.01), and the number of lymph nodes dissected was higher in the MIE than open surgery group (15.2+/-5.3 vs. 12.9+/-7.3, P=0.01). There was no significant difference in the length of stay or 30-day mortality rate between the two groups, but the intensive care unit stay was shorter in the MIE group (3 vs. 4, P=0.01). No difference in complications or recurrence was noted between the two groups. The 2-year overall survival (OS) rate was 72.8% for MIE and 69.4% for open surgery, and the 2-year disease-free survival (DFS) rate was 69.4% for MIE and 57.2% for open surgery. Conclusions: For patients with locally advanced stage pT3 ESCC, MIE has perioperative outcomes comparable to those of open surgery without compromising recurrence or survival. PMID- 29221272 TI - Goal-directed fluid restriction using stroke volume variation and cardiac index during one-lung ventilation: a randomized controlled trial. AB - Background: Goal-directed therapy confers a strong prognosis in patients undergoing major cardiac or noncardiac surgery. The present study investigated whether intraoperative goal-directed fluid restriction (GDFR) using stroke volume variation (SVV) and cardiac index could improve oxygenation and postoperative outcome in patients undergoing one-lung ventilation (OLV). Methods: A Total of 168 patients scheduled for elective thoracoscopic lobectomy under OLV were randomized into the GDFR protocol (group G) or conventional fluid therapy groups (group C). Patients in group C underwent conventional fluid therapy based on mean arterial pressure (MAP), central venous pressure (CVP), and urine volume, whereas those in group G received GDFR protocol associated with the SVV from 10-13% and the cardiac index was controlled at a minimum of 2.5 L/min/m2. The primary outcome variable was PaO2/FiO2. The secondary outcomes were other pulmonary variables and lung mechanics, inflammatory response, the incidence of postoperative pulmonary complications, and the length of hospital stay. Results: During surgery, the PaO2/FiO2 ratio in group G was more than that of group C at 30 and 60 min after OLV, 10 min after re-expansion, and the end of the operation (259+/-29 vs. 314+/-34; 253+/-30 vs. 308+/-35; 341+/-34 vs. 394+/-39; 349+/-35 vs. 401+/-39, respectively, all P<0.001). Compared to conventional fluid therapy, GDFR protocol also significantly improved the hemodynamic and lung mechanics with the initiation of OLV. The incidence of postoperative pulmonary complications such as acute lung injury and pneumonia, and the length of hospital stay were decreased by GDFR protocol as compared to conventional fluid therapy (all P<0.05). However, there were no significant differences between groups with respect to the concentration of serum tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6), and interleukin-10 (IL-10). Conclusions: The GDFR protocol based on SVV and cardiac index applied in patients undergoing OLV improves intraoperative pulmonary oxygenation. It can also reduce the postoperative complications and length of hospital stay. However, the GDFR strategy cannot reduce the local or systemic inflammation. Trial registration: Chinese Clinical Trials Register ChiCTR-INR-16008288, Registered 20 April, 2016. PMID- 29221273 TI - Clinical outcomes of video-assisted thoracoscopic surgery esophagectomy for esophageal cancer: a propensity score-matched analysis. AB - Background: Minimally invasive esophagectomy theoretically offers advantages compared with open esophagectomy (OE). The aim of this study was to compare the early- and mid-term outcomes between video-assisted thoracoscopic surgery (VATS) esophagectomy (VE) and OE in patients with esophageal cancer. Methods: Between November 2011 and July 2015, a total of 172 patients were divided into two groups depending on the method of esophagectomy: the VE group (n=42) and the OE group (n=130). A propensity analysis that incorporated perioperative variables, such as age, sex, preoperative pulmonary function, Charlson comorbidity index, tumor location, histologic grade of the tumor, pathologic stage and operative procedure (Ivor Lewis or McKeown) was performed, and postoperative outcomes were compared. Results: Matching based on propensity scores produced 42 patients in each group for the analysis. After propensity matching, there were only two operative mortalities in the OE group, and both died of postoperative pneumonia. The overall incidence of postoperative complications was 38.1% (16 of 42) and 57.1% (24 of 42) in the VE group and in the OE group, respectively (P=0.088). The incidence of pulmonary complications was lower in the VE group than in the OE group (9.5% vs. 40.5%, P=0.004). The 2-year overall survival and disease-free survival were not different between the two groups (74.4% and 69.5% in the VE group, 69.5% and 69.8% in the OE group, P=0.865 and P=0.513, respectively). Conclusions: In select patients, superior short-term surgical results and equal oncological outcomes were achieved with VE compared with OE. PMID- 29221274 TI - Predictors of high flow nasal cannula failure in immunocompromised patients with acute respiratory failure due to non-HIV pneumocystis pneumonia. AB - Background: To evaluate the predictors of high flow nasal cannula (HFNC) failure in pneumocystis pneumonia (PCP) patients with acute respiratory failure (ARF). Methods: Fifty-two non-HIV-related PCP subjects were divided into a HFNC success group (44%) and a HFNC failure group (who required mechanical ventilation (MV) despite HFNC application) (56%). The clinical characteristics and physiologic effects were retrospectively reviewed and compared between the groups. Results: At baseline, the heart rate, alveolar-arterial PO2 difference [P(A-a)O2], Sequential Organ Failure Assessment (SOFA) score, and proportion of subjects who used vasopressors were significantly higher in the HFNC failure group than in the HFNC success group. The 60-day mortality was 52% in the HFNC failure group and 13% in the HFNC success group (P=0.004). The results of the multivariate analysis indicated that the baseline SOFA score was independently associated with HFNC failure (adjusted odds ratio, 1.74 per each score unit increase; 95% CI, 1.05 2.89; P=0.03). Repeated measures analysis of variance revealed that within 6 h of HFNC initiation, the mean PaO2/FiO2 ratio decreased and the mean P(A-a)O2 increased rapidly in the HFNC failure group. Conclusions: Patients with ARF due to PCP subjected to HFNC therapy should be carefully monitored, and particular attention should be paid to those who had organ dysfunction and did not show early oxygenation improvement. PMID- 29221275 TI - Patterns of distant organ metastases in esophageal cancer: a population-based study. AB - Background: Esophageal cancer is the eighth most common cancer worldwide. The prognosis of esophageal cancer patients is dismal, especially those with distant organ metastasis. However, there are few studies describing the patterns of distant metastasis in esophageal cancer systematically. Methods: We gathered the data from Surveillance Epidemiology and End Results (SEER) database between 2010 and 2013. Categorical variables were analyzed by the Pearson Chi square test, and continuous variables were analyzed by the two-sample t test. Survival estimation and comparison among different variables were performed using Kaplan-Meier method. A multivariable logistic regression model was used to calculate odds ratios (OR) for sex, age, anatomical site, and histological type on specific metastases. Proportional hazards regression model was conducted to obtain adjusted hazard ratio (HRs) for different predictors of overall survival. Results: A total of 9,934 patients were eligible. Liver was the most common metastatic site in the patients of esophageal cancer and followed by lung, bone and brain. Some clinical features, including age, sex, histology type and histologic grade were independent risk factors for different sites of metastasis. Younger age, poorer differentiation, adenoma type and more metastatic sites might lead to poorer prognosis. Conclusions: Our findings revealed the patterns of metastasis in esophageal cancer, which could help clinicians to identify patients with metastasis and provide proper treatment. PMID- 29221276 TI - Deep sternal wound infection after cardiac surgery in the Chinese population: a single-centre 15-year retrospective study. AB - Background: Deep sternal wound infection (DSWI) is a severe complication following cardiac surgery. A retrospective study was implemented to determine the risks and clinical characteristics of DSWI after cardiac operation in the Chinese population. Methods: We analysed 7,944 consecutive patients who underwent cardiac surgery via median sternotomy from January 2002 to December 2016 at our institution. Multiple logistic regression analysis was used to identify risk factors for DSWI. Results: A total of 106 patients (1.33%) suffered from DSWI; significant risk factors included body mass index (BMI) (P=0.02; OR=1.08; 95% CI: 1.01-1.16) and reoperation (P<0.01; OR=5.93; 95% CI: 2.88-12.25). The most common bacterium involved in DSWI was staphylococcus aureus (23%). Among all DSWI patients, the overall survival rate of the group treated with flap reconstruction was significantly higher than that in the group treated with intravenous antibiotics and sternal debridement (87% vs. 59%, P=0.01). Conclusions: DSWI was associated with several risk factors. Effective intervention strategies could improve the outcome of patients undergoing cardiac surgery. PMID- 29221277 TI - Worse survival after curative resection in patients with pathological stage I non small cell lung cancer adjoining pulmonary cavity formation. AB - Background: A few investigators have suggested an association between lung cancer and pulmonary cavity. However, this clinical association and its carcinogenic correlations are not well recognized. This study aimed to clarify the clinical features and to demonstrate the associated survival outcomes after curative surgery in patients with early non-small cell lung cancer (NSCLC) adjoining pulmonary cavity formation. Methods: We retrospectively reviewed 275 patients with pathological stage I NSCLC by re-evaluating their chest computed tomography images. Among them, we detected NSCLC adjoining pulmonary cavity formation in 12 (4.4%) patients. Results: The median follow-up period for all 275 patients was 43.2 (range, 6.0-86.0) months. Of these patients, 6 (50.0%) in group CF (patients with NSCLC adjoining pulmonary cavity formation) and 19 (7.2%) in group C (the control group, n=263) died during the study period. Besides, 6 (50.0%) and 32 (12.2%) patients in groups CF and C, respectively, exhibited recurrence of the primary lung cancer. The cumulative overall survival (OS) in groups CF and C at 5 years was 37.0% and 91.7%, respectively (P<0.0001); the recurrence-free survival (RFS) in these groups at 5 years was 55.0% and 86.7%, respectively (P=0.001). Univariate analysis showed that male sex, smoking habits, non-adenocarcinoma, and presence of pulmonary cavity formation were associated with poor OS (P=0.008, P=0.001, P<0.0001, and P<0.0001, respectively). Multivariate analysis demonstrated that smoking, non-adenocarcinoma, and pulmonary cavity formation were independent prognostic factors predicting poor survival (P=0.043, P=0.004 and P<0.0001, respectively). Conclusions: Our results suggest that patients with early-stage NSCLC adjoining pulmonary cavity formation have an increased risk of poor OS and RFS after surgical resection. Further prospective, multi institutional investigations and substantial clinical studies are warranted. PMID- 29221278 TI - Mitral valve repair versus replacement in elderly patients: a systematic review and meta-analysis. AB - Background: Although mitral valve repair (MVP) is generally accepted as the standard treatment for mitral valve disease, in older patients, there is increasing debate about whether MVP is superior to mitral valve replacement (MVR). We, therefore, performed a meta-analysis to compare MVP vs. MVR in the elderly population. Methods: We systematically searched PubMed, the Cochrane Library, and Scopus up to February 2017 and scrutinized the references of relevant literatures. Only studies of MVP vs. MVR in the elderly patients (aged 70 years or older) that were published after 2000 were included. Results: The retrieval process yielded seven observational clinical studies with 1,809 patients. Compared with MVR, MVP was associated with a significantly reduced 30 day mortality [risk ratio (RR): 0.40, 95% confidence interval (CI): 0.25-0.64], with shorter duration of postoperative hospital stay (days) (weighted mean difference: -1.47, 95% CI: -2.47--0.48) and less postoperative complications (RR: 0.69, 95% CI: 0.56-0.86). In addition, our study also demonstrated improved 1 year (RR: 1.16, 95% CI: 1.08-1.24) and 5-year (RR: 1.26, 95% CI: 1.13-1.41) survival rates following MVP. There was no difference in reoperations between these two surgery approaches. Conclusions: The present meta-analysis indicates that elderly patients who receive MVP have better early and late outcomes than those undergoing MVR. MVP may be the preferred strategy for mitral valve surgery in the elderly population. PMID- 29221279 TI - Endoscopic naso-leakage drainage: a safe and effective method for the management of intrathoracic anastomotic leakage after esophagectomy. AB - Background: Intrathoracic anastomotic leakage (IAL) remains a major complication of esophagectomy. Main non-surgical options of management include chest drainage and endoscope interventions. This study is aim to present our experience and assess the efficacy of endoscopic naso-leakage drainage (ENLD) in patients with IAL. Methods: From June 2011 to January 2017, 67 patients who developed IAL after esophagectomy and managed by non-surgical approaches were analyzed retrospectively. IAL was confirmed by clinical presentations combined with the evidence of CT scan, radiography and endoscopy. Thirty-eight patients were treated by conventional chest drainage (CD group) and 29 patients underwent ENLD with or without chest drainage (ENLD group), while other treatments including enteral nutrition and antibiotics had no difference between the two groups. In ENLD group, a 12 Fr naso-leakage tube was placed through the leakage to the bottom of vomica under ultra-slim electronic gastroscope. The naso-leakage tube was then connected to a gastrointestinal decompression device for drainage and was also used for rinse. When the vomica diminished and the drainage was also clean, the naso-leakage tube could be pulled back gradually. Finally, healing of the leakage was confirmed endoscopically. Clinical records of the two groups were analyzed. Results: In ENLD group, naso-leakage tubes were successfully placed under endoscope in all 29 patients without any procedure-related complications. In CD group, the mortality is 7.9% (three patients) and five patients (13.2%) developed to systemic inflammatory response syndrome (SIRS) due to insufficient drainage. While in ENLD group, there was only one patient (3.4%) developed to SIRS and no death was observed, but the difference was not statistically significant. When compared with the CD group, the ENLD group had a shorter healing course (44.2+/-18.3 vs. 60.5+/-27.7 days, P=0.008), duration of antibiotics usage (16.4+/-7.8 vs. 11.8+/-3.8 days, P<0.001) and duration of fever (4.3+/-2.2 vs. 9.5+/-8.6 days, P=0.002). Conclusions: To our initial experience, ENLD is an ideal option with safety and efficacy in management of IAL after esophagectomy. PMID- 29221280 TI - Transmanubrial osteomuscular sparing approach for resection of cervico-thoracic lesions. AB - Background: To review our experience of transmanubrial osteomuscular sparing approach (TMA) for resection of various lesions involving the thoracic inlet and to prove the feasibility and safety of the approach. Methods: Retrospective review of 58 consecutive cases, from April 2007 to January 2016, with surgical resection of cervico-thoracic lesions via TMA. Results: There were 22 neurogenic tumors, 21 bronchogenic tumors, and 15 other cases in the study. There was no intraoperative or postoperative mortality. Mean postoperative stay was 10.5 days (3-33 days). Mean operation time was 179.0 mins (57-328 mins) and the mean volume of blood loss for bronchogenic tumors was 900 mL, which was similar to non bronchogenic tumors (474 mL, P=0.103). Moreover, patients with malignant tumors had more intraoperative blood loss than patients with benign diseases did (847 versus 194 mL, P=0.001). R0 resection was achieved in 28 of 33 (84.8%) malignant cases. Tumor size was related to incomplete resection (8.19 vs. 5.72 cm, P=0.023) in malignancy. Five (8.6%) cases were complicated with chylothorax and all occurred in patients with left incision. All of 21 cases (100%) with brachial plexus compression symptom were relieved after surgery and 3 of 4 (75%) cases with Horner's syndrome were ameliorated postoperatively. Conclusions: TMA can be carried out safely in treating various cervico-thoracic lesions with good resection rate. Left side procedure should be cautious of thoracic duct injury. PMID- 29221281 TI - Is compensatory hyperhidrosis after thoracic sympathicotomy in palmar hyperhidrosis patients related to the excitability of thoracic sympathetic ganglions? AB - Background: The mechanism of compensatory hyperhidrosis remains unclear. The aim of this study was to explore the relationship between compensatory hyperhidrosis and thoracic sympathetic ganglion excitability to assess the effectiveness of thoracoscopic T4 sympathicotomy for treating palmar hyperhidrosis. Methods: Sixty six cases of T4 sympathetic ganglions were prospectively collected from patients with palmar hyperhidrosis who underwent thoracoscopic T4 sympathicotomy from 2013 to 2016 in our department. The expression levels of choline acetyltransferase (ChAT), vasoactive intestinal peptide (VIP), and synaptophysin were detected using immunohistochemistry. Patients with palmar hyperhidrosis were followed-up for examination of postoperative sweating status. Results: Thirty-eight cases (57.6%) of compensatory hyperhidrosis were identified. Mild compensatory hyperhidrosis occurred in 26 patients (39.4%), moderate in 11 (16.7%), and severe in 1 (1.5%). The rate of compensatory hyperhidrosis was higher in patients with axilla hyperhidrosis than those without (76.0% vs. 46.3%, P=0.018). However, the clinical data were similar between the compensatory hyperhidrosis group and the no compensatory hyperhidrosis group. In addition, the ChAT, VIP, and synaptophysin expression levels were not significantly different between the two groups (P values of 0.356, 0.071, and 0.141, respectively). Furthermore, the ChAT, VIP, and synaptophysin expression levels in the mild group were similar to those observed in the moderate/intense group (P values of 0.089, 0.124, and 0.149, respectively). The remission rate was 100% in palmar hyperhidrosis, 48.2% (27/56) in pedal hyperhidrosis, 56.0% (14/25) in axilla hyperhidrosis and 88.9% (16/18) in skin symptoms. No signs of chapped skin on the palms were found. Conclusions: There was no significant correlation between compensatory hyperhidrosis and thoracic sympathetic ganglion excitability; however, compensatory hyperhidrosis is more likely to simultaneously occur in patients with axilla hyperhidrosis. The satisfactory efficacy of thoracoscopic T4 sympathicotomy indicates that it may an ideal technique for palmar hyperhidrosis. PMID- 29221282 TI - Induction chemoradiotherapy using docetaxel and cisplatin with definitive-dose radiation followed by surgery for locally advanced non-small cell lung cancer. AB - Background: Induction chemoradiotherapy (CRT) followed by surgery is a therapeutic option for locally advanced non-small cell lung cancer (LA-NSCLC). Typically, around 40-50 Gy of radiation is applied as the induction-dose; however, a definitive-dose (DD) of radiation (60 Gy or higher) is occasionally applied to increase local control. We investigated the impact of induction CRT with DD radiation in LA-NSCLC patients treated with a single regimen of docetaxel and cisplatin. Methods: We reviewed 110 patients with LA-NSCLC who underwent induction CRT followed by surgery using a single regimen (docetaxel and cisplatin) between January 1999 and December 2014 at our hospital. The clinical outcomes of a DD group (60 Gy or higher, n=11) and a non-DD group (less than 60 Gy, n=99) were investigated using a propensity score (PS)-matched analysis. Results: An advanced clinical stage was significantly more common in the DD group than in the non-DD group (P=0.033). Before and after the PS-matching based on seven factors including clinical stage, there was no significant difference in the rates of postoperative (PO) complication, mortality, 5-year overall survival (OS), or 5-year recurrence-free survival (RFS) between the two groups. After the PS-matching, the pathological complete response (CR) rate was significantly higher in the DD group than in the non-DD group [50% (n=5/10) vs. 0% (n=0/10), P=0.033]. Conclusions: Induction CRT followed by surgery using docetaxel and cisplatin with DD radiation can be performed safely and is associated with a higher pathological CR rate than that attained using non-DD radiation in LA-NSCLC patients. PMID- 29221283 TI - Effectiveness and safety of simultaneous hybrid thoracoscopic endocardial catheter ablation of atrial fibrillation in obese and non-obese patients. AB - Background: We evaluated the safety and effectiveness of the hybrid thoracoscopic endocardial epicardial ablation technique for the treatment of atrial fibrillation (AF) in obese versus non-obese patients. Methods: Between January 2010 and January 2015, a cohort of 61 patients were retrospectively identified to undergo ablation of AF as a stand-alone procedure using a thoracoscopic, hybrid epicardial-endocardial technique. All patients underwent continuous 7-day Holter monitoring at 3, 6 months, 1 year and yearly thereafter. Results: A total of 40% of the obese cohort had persistent or long-standing AF, compared to 54.9% of the non-obese cohort. There were no deaths or conversion to cardiopulmonary bypass required. At 3-year follow-up, 60% of the obese group were in sinus rhythm (SR) with no episode of AF, atrial flutter or atrial tachycardia lasting 30 s off anti arrhythmic drugs. This was compared to 70.6% in the non-obese group, with no significant difference between the groups (P=0.468). For success rates on anti arrhythmic drugs, this was 80% in the obese group compared to 86% in the non obese group at 3-year follow-up (P=0.637). No patient died and no thromboembolic/bleeding events or procedure-related complications occurred during the follow-up. Conclusions: In a retrospective cohort with approximately half with persistent or long-standing AF, thoracoscopic hybrid epicardial endocardial ablation proved to be equally effective and safe in obese versus non-obese patients. Current preliminary findings require further validation in multi institutional prospective studies with larger sample sizes. PMID- 29221284 TI - Comparison of perioperative outcomes following hybrid minimally invasive versus open Ivor Lewis esophagectomy for esophageal cancer. AB - Background: The outcomes of various minimally invasive esophagectomy (MIE) procedures for esophageal cancer have been reported; however, those of the hybrid approach are lacking. This study aimed to assess the impacts of hybrid minimally invasive Ivor Lewis esophagectomy (HIL, laparoscopy and right thoracotomy) for esophageal cancer on perioperative outcomes compared with the open approach. Methods: This was a retrospective study of 153 patients who underwent Ivor Lewis esophagectomy for squamous cell carcinoma between January 2008 and December 2016. Patients who received neoadjuvant treatment prior to surgery (n=22) and underwent complete minimally invasive procedures (n=16) were excluded. Clinical characteristics and perioperative outcomes of patients who underwent HIL (n=53) were compared with findings in patients who underwent open Ivor Lewis esophagectomy (OIL, n=62). Results: There were 112 men (97.4%) and 3 women (2.6%) with a median age of 66 years (range, 45-83 years). The HIL and OIL groups were comparable with respect to age, sex, preoperative pulmonary function, location of the tumor, and preoperative laboratory findings. There was no significant difference between the two groups regarding surgical data, except for pyloric management. Postoperative complications occurred in 17 (32.1%) and 23 (37.1%) patients in the HIL and OIL groups, respectively (P=0.573); in-hospital mortality rates were 3.8% and 8.1%, respectively (P=0.337). HIL group patients had higher albumin (3.3 vs. 2.9 g/dL; P<0.001) and lower C-reactive protein (6.4 vs. 8.1 mg/L; P<0.001) postoperatively. The length of hospital stay was shorter in the HIL group (13.5 vs. 19.2 days; P=0.002). Conclusions: Compared with the conventional open approach, HIL for esophageal cancer showed better postoperative nutritional and inflammatory status, resulting in shorter hospital stays. However, further studies are required to evaluate the long-term oncologic outcomes of this hybrid approach. PMID- 29221285 TI - Robot-assisted thoracic surgery for complex procedures. AB - Background: As an option for minimally invasive thoracic surgery, robot-assisted thoracic surgery (RATS) has shown comparable perioperative outcomes to those achieved by traditional video-assisted thoracic surgery (VATS). It is unknown whether RATS might have any potential benefits in more complex thoracic surgical procedures, which usually require open surgery instead of VATS. The current study presents a preliminary result regarding the use of RATS in complex thoracic operations in an attempt to address this unresolved question. Methods: Data from a prospectively collected and maintained surgical database were collected on patients who underwent RATS between February 2012 and August 2014. We defined complex RATS as those operations involving difficult dissections, complex sutures or excision of very large tumors (>8 cm) which would have required open surgery in our hospital before the introduction of RATS. The characteristics and peri operative outcomes of patients receiving complex RATS were reviewed. Results: Of the 120 patients undergoing RATS, 30 of them were classified as having undergone complex RATS, 21 to remove lung tumors and 9 to remove mediastinal tumors. The indications for complex RATS included 21 difficult dissections, 10 complex sutures, and 7 very large tumors (8 patients had two indications). There are three conversions to thoracotomy for pulmonary arterial bleeding. There was one mortality resulted from post-pneumonectomy pulmonary hypertension and sepsis. Patients with difficult dissection had longer operative time and hospital stay, and more bleeding and postoperative morbidity. Conclusions: RATS for complex thoracic procedures is feasible, especially for complex suturing and excision of very large mediastinal tumors, but more attention is needed for patients needing difficult dissections. Advanced preparation for conversion is necessary during this difficult operation. PMID- 29221286 TI - Automatic Lung-RADSTM classification with a natural language processing system. AB - Background: Our aim was to train a natural language processing (NLP) algorithm to capture imaging characteristics of lung nodules reported in a structured CT report and suggest the applicable Lung-RADSTM (LR) category. Methods: Our study included structured, clinical reports of consecutive CT lung screening (CTLS) exams performed from 08/2014 to 08/2015 at an ACR accredited Lung Cancer Screening Center. All patients screened were at high-risk for lung cancer according to the NCCN Guidelines(r). All exams were interpreted by one of three radiologists credentialed to read CTLS exams using LR using a standard reporting template. Training and test sets consisted of consecutive exams. Lung screening exams were divided into two groups: three training sets (500, 120, and 383 reports each) and one final evaluation set (498 reports). NLP algorithm results were compared with the gold standard of LR category assigned by the radiologist. Results: The sensitivity/specificity of the NLP algorithm to correctly assign LR categories for suspicious nodules (LR 4) and positive nodules (LR 3/4) were 74.1%/98.6% and 75.0%/98.8% respectively. The majority of mismatches occurred in cases where pulmonary findings were present not currently addressed by LR. Misclassifications also resulted from the failure to identify exams as follow-up and the failure to completely characterize part-solid nodules. In a sub-group analysis among structured reports with standardized language, the sensitivity and specificity to detect LR 4 nodules were 87.0% and 99.5%, respectively. Conclusions: An NLP system can accurately suggest the appropriate LR category from CTLS exam findings when standardized reporting is used. PMID- 29221288 TI - Pleurodesis: a comparison of two sclerosing agents for pleural effusions in Mozambique. AB - Background: Pleural effusions constitute one of the most frequent pathologies encountered in the pulmonary service of Maputo Central Hospital (MCH) in Mozambique. Bleomycin and talc are commonly used for pleurodesis, but cost prohibitive, therefore we aimed to retrospectively compare the efficacy and safety of sodium hydroxide (NaOH) with bleomycin for pleurodesis. Methods: Case records of pleurodesis using bleomycin and NaOH from 2002 to 2013 were reviewed. Standard of care for pleurodesis for recurrent pleural effusions at MCH was developed using the materials available. NaOH remained the agent of choice until 2006 when bleomycin became available. Clinical data regarding general complications, rate of success and lung expansion were noted for every patient who underwent pleurodesis at MCH during this time frame. Results: Review of pleurodesis at MCH revealed 24 cases using bleomycin and 23 cases using NaOH as the sclerosing agent. Patient characteristics were balanced between the two groups with majority of pleural effusions malignant in etiology. Conclusions: There was no statistically significant difference between the use of bleomycin and NaOH as defined by lung expansion. General complications were observed less frequently in 2 (10%) of patients treated with NaOH compared with 8 (38%) of patients using bleomycin. Only three patients presented with recurrent pleural effusion after pleurodesis with NaOH. NaOH may offer a low cost alternative sclerosing agent for resource limited areas. PMID- 29221287 TI - Anti-cancer activity of dose-fractioned mPE +/- bevacizumab regimen is paralleled by immune-modulation in advanced squamous NSLC patients. AB - Background: Results from the BEVA2007 trial, suggest that the metronomic chemotherapy regimen with dose-fractioned cisplatin and oral etoposide (mPE) +/- bevacizumab, a monoclonal antibody to the vascular endothelial growth factor (VEGF), shows anti-angiogenic and immunological effects and is a safe and active treatment for metastatic non-small cell lung cancer (mNSCLC) patients. We carried out a retrospective analysis aimed to evaluate the antitumor effects of this treatment in a subset of patients with squamous histology. Methods: Retrospective analysis was carried out in a subset of 31 patients with squamous histology enrolled in the study between September 2007 and September 2015. All of the patients received chemotherapy with cisplatin (30 mg/sqm, days 1-3q21) and oral etoposide (50 mg, days 1-15q21) (mPE) and 14 of them also received bevacizumab 5 mg/kg on the day 3q21 (mPEBev regimen). Results: This treatment showed a disease control rate of 71% with a mean progression free survival (PFS) and overall survival (OS) of 13.6 and 17 months respectively. After 4 treatment courses, 6 patients showing a remarkable tumor shrinkage, underwent to radical surgery, attaining a significant advantage in term of survival (P=0.048). Kaplan-Meier and log-rank test identified the longest survival in patients presenting low baseline levels in neutrophil-to-lymphocyte ratio (NLR) (P=0.05), interleukin (IL) 17A (P=0.036), regulatory-T-cells (Tregs) (P=0.020), and activated CD83+ dendritic cells (DCs) (P=0.03). Conclusions: These results suggest that the mPE +/- bevacizumab regimen is feasible and should be tested in comparative trials in advanced squamous-NSCLC (sqNSCLC). Moreover, its immune-biological effects strongly suggest the investigation in sequential combinations with immune check point inhibitors. PMID- 29221289 TI - Features of rheumatic mitral valves and a grading system to identify suitable repair cases in China. AB - Background: We aimed to assess the pathological characteristics of rheumatic mitral valve disease in Chinese patients and formulate a pathological grading system to identify cases suitable for rheumatic mitral valve repair (rMVP). Methods: Nearly 5 years of follow-up data on patients who underwent rMVP were analysed. A Kaplan-Meier survival curve for freedom from reoperation and valve failure was constructed. A pathological grading system of rheumatic mitral valve lesions (PGSRMVL) was developed based on the pathological characteristics of rheumatic mitral valve disease and tested by receiver operating characteristics (ROCs) curve analysis. Predictors of endpoints for rheumatic repair were analysed. Results: From January 2012 to June 2016, 179 patients underwent rMVP in our centre. The mean follow-up duration was 24+/-14 months. A left atrial anterior and posterior diameter >60 mm was an independent predictor for the 16 endpoints [hazard ratio (HR) =3.884, P=0.029]. Between 2015 and 2016, 126 consecutive pathological characteristics of rheumatic mitral valve were evaluated (61 and 65 repair and replacement cases, respectively). The ROCs area under the curve was 0.891 for the correlation between the pathological score and successful repair (cut-off point, 17.5; sensitivity, 78%; specificity, 85.2%). Seven lesions had higher ratios in the replacement group than the repair group. Commissural fusion/calcification and main chordae tendineae fusion/calcification were the most common severe pathological lesions. Conclusions: The main pathological characteristics of rheumatic mitral valve disease in Chinese patients are commissure and sub-valvular apparatus lesions. Most patients can be appropriately treated via commissurotomy and leaflet thinning. Severe calcification of the commissure and sub-valvular apparatus can considerably decrease the odds of a successful repair. The median follow-up results of rheumatic mitral repair are considered satisfactory for the pathological characteristics in Chinese patients. PMID- 29221290 TI - Should sinus of Valsalva be preserved in patients with bicuspid aortic valve and aortic dilation? AB - Background: It is recommended that dilated ascending aortas (>=45 mm) should be replaced at the time of aortic valve replacement (AVR) for bicuspid aortic valve (BAV). The risk of progressive sinus of Valsalva dilatation after AVR and ascending aorta replacement is less clear. Methods: We identified 156 patients (age 56.2+/-10.8 years, 46 females) who underwent AVR and ascending aorta replacement in our institution from 2010-2014, 124 (79%) of whom had BAV. Aortic root and ascending aorta sizes were determined from preoperative and the most recent echocardiograms. The mean follow-up time was 34.4+/-22.3 months, and 97% of patients completed the follow-up. Results: The operative mortality rate was 1.3%. During a follow-up of up to 75.2 months, there were no late reoperations for aortic root dissection or rupture. The mean preoperative aortic root diameters in the tricuspid aortic valve (TAV) and BAV groups were 42.2+/-5.4 and 37.5+/-5.4 mm, respectively (P=0.69). After operation, most of the patients had reduced aortic root sizes, as the mean postoperative root diameters in the TAV and BAV groups were 39.6+/-5.2 and 35.7+/-5.1 mm, respectively (P=0.99). Conclusions: To avoid the risks associated with aortic root replacement, it is reasonable to spare the aortic roots in the setting of AVR and ascending aorta replacement for BAV with a dilated ascending aorta and relatively normal sinuses of Valsalva. PMID- 29221291 TI - Airway stenting in patients requiring intubation due to malignant airway stenosis: a 10-year experience. AB - Background: Critically ill patients with severe acute respiratory failure due to malignant airway stenosis often require emergency intubation and mechanical ventilation. Urgent intervention is necessary for the survival of such patients. The aim of this study was to determine the efficacy and outcomes of airway stenting in patients with malignant airway stenosis requiring emergency intubation. Methods: Patients with malignant airway stenosis who underwent emergency intubation prior to airway stent placement from September 2005 to September 2015 in a single center were retrospectively reviewed. All stenting procedures were performed using both rigid and flexible bronchoscopes under general anesthesia. Results: Thirty patients with malignant airway stenosis (17 with lung cancer, 6 with esophageal cancer, and 7 with other types of malignancy) who required emergency intubation prior to stenting procedures (silicone stenting in 23 and metallic stenting in 7) were analyzed. Extubation within 48 hours after stenting could be performed in 28 of 30 patients (93%). Of the 21 chemoradiotherapy-naive patients, 18 (86%) received chemotherapy and/or radiation therapy after stenting. No significant complications occurred during the stenting procedures. The median survival after stenting was 198 days (range, 13-3,009 days). Conclusions: Airway stenting facilitates extubation in critically ill patients with malignant central airway stenosis. It plays an important role as a bridge to additional tumor-specific therapies, especially in chemoradiotherapy naive patients. PMID- 29221292 TI - A comparative study of conventional cytology and cell block method in the diagnosis of pleural effusion. AB - Background: In a patient with pleural effusion, cytological study (CS) is one of the most useful investigations, especially when malignancy is suspected. Instead of applying only CS, the pleural fluid can be further processed using the cell block (CB) technique, which may augment the diagnostic utility. The aim of this study was to compare the diagnostic yields of CS, CB, and the combination of both, regardless of the etiology of pleural effusion. Methods: A cross-sectional study was conducted on patients with pleural effusions who underwent thoracentesis from June 2015 to May 2016. All samples were submitted for routine biochemical analysis, CS, and CB histology. The results of cytopathological studies were compared to the final diagnoses. Results: Out of a total of 353 samples, the final diagnoses included 278 (78.8%) malignancies, 41 (11.6%) infectious diseases, 16 (4.5%) other inflammatory diseases, and 18 (5.1%) transudative pleural effusions. CS and CB provided a similar diagnostic yield (48.7% vs. 49.9%, P=0.69), while the combination of both gave a higher yield (57.2%) (P<0.001, compared with CS). Among 278 malignant pleural effusions (MPE), the diagnostic yields of CS and CB were 61.2% and 61.9%, respectively. Combined CS and CB improved the diagnostic yield to 71.2% (P<0.001). However, both CS and CB had low diagnostic yields in infectious pleuritis, other inflammatory diseases, and transudative pleural effusions. Conclusions: In MPE, CB provides a similar diagnostic performance to CS, while application of both techniques can significantly increase the diagnostic yield. However, in other pleural diseases, CB and CS had limited values in diagnosis. PMID- 29221293 TI - Distance-saturation product of the 6-minute walk test predicts mortality of patients with non-cystic fibrosis bronchiectasis. AB - Background: Previous surveillance methods to monitor the prognoses of patients with bronchiectasis are too complex for use in daily practice. The 6-minute walk test (6MWT) is a simple exercise test to predict the prognosis of chronic obstructive airway disease and numerous chronic lung diseases, including idiopathic pulmonary fibrosis. No studies have investigated exercise-induced oxygen desaturation (EID) and distance-saturation product (DSP) of 6MWT to predict the prognoses of patients with bronchiectasis. Methods: This was a prospective study to identify correlations between variables of 6MWT and mortality in patients with bronchiectasis over a 6-year period. The study cohort included 69 patients with stable non-cystic fibrosis (non-CF) bronchiectasis who were regularly evaluated for functional status via 6-minute walk distance (6MWD), spirometry, BODE index, EID, and DSP. Results: Of the 69 patients, 9 (13%) died and 60 (87%) survived during the 6-year follow-up period. The percentage of EID was higher [7 of 9 patients (78%) vs. 22 of 60 patients (27%), P=0.003] in the non-survivors group. The 6MWD (467.9+/-77.1 vs. 363.7+/-126.7 m, P=0.001) was higher in the survivors group. DSP was significantly lower in the non-survivors group (411.0+/-78.4 vs. 283.9+/-90.0 m%, P<0.001). Multivariate analysis showed that DSP (OR =0.983; 95% CI: 0.974-0.993, P=0.001) was the best parameter of 6MWT to predict mortality. Patients with a lower DSP of <280 m% were at a 66.5-fold greater risk (OR =66.5; 95% CI: 9.4-469.2) of 6-year mortality compared with those with DSP >280 m% (P<0.001). Conclusions: DSP is a simple parameter to predict 6-year mortality in patients with non-CF bronchiectasis. PMID- 29221294 TI - Using M-mode ultrasonography to assess diaphragm dysfunction and predict the success of mechanical ventilation weaning in elderly patients. AB - Background: Ultrasonography (US) is a non-invasive and commonly available bedside diagnostic tool. The aim of this study was to assess the utility of M-mode US on ventilator weaning outcomes in elderly patients. Methods: This was a single center, prospective, observational study in patients aged 80 years or older who were in the medical intensive care unit, had undergone mechanical ventilation for >48 hours, and met the criteria for a spontaneous breathing trial (SBT). For 30 minutes at the start of SBT, each hemi-diaphragmatic movement and the velocity of contraction were evaluated by M-mode US. The the area under the receiver operating characteristic curve (AUROC) was calculated to determine the ability for measured variables to predict successful ventilator weaning. Results: Forty patients were enrolled and assessed, grouped by those who had US-diagnosed diaphragm dysfunction (DD; 30/40; 75%) and those who did not (10/40; 25%). Patients with DD had a significantly longer total mechanical ventilation duration (536.4+/-377.05 vs. 250+/-109.02 hours, P=0.02) and weaning time (425.9+/-268.31 vs. 216.0+/-134.22 hours, P=0.002) than patients without DD. Patients with DD also had a higher incidence of weaning failure than patients without DD (24/30 vs. 4/10, P=0.017). Analysis of the receiver operating characteristic (ROC) curve (ROC) curve showed that the optimal cut-off values to predict weaning success were >10.7 mm for the right diaphragmatic movement, and >21.32 mm/s for the right diaphragmatic velocity of contraction; AUROC were 0.839 (95% CI, 0.689-0.936) and 0.833 (95% CI, 0.682-0.932), respectively. The sensitivity, specificity, positive and negative likelihood ratios for predicting weaning success were 83.33% vs. 66.67%, 75.00% vs. 92.86%, 3.33 vs. 9.33, and 0.22 vs. 0.36, for right diaphragmatic movement and diaphragmatic contraction velocity, respectively. Conclusions: When assessed by M-mode US, DD appeared to be common in ventilated patients aged 80 years or older and was associated with a higher incidence of weaning failure. Larger right diaphragmatic movements or faster right diaphragmatic contraction velocity appeared to be good predictors of mechanical ventilation weaning success in elderly patients. PMID- 29221295 TI - Contralateral thoracoscopic lobectomy in postlobectomy patients. AB - Background: It is difficult to perform thoracoscopic lobectomy in patients with a history of contralateral lobectomy, as stable oxygenation is not always maintained under conditions of one-lung ventilation during surgery. Methods: This study evaluated 14 patients who underwent thoracoscopic lobectomy after previously undergoing contralateral lobectomy at a single institution between 2008 and 2015. Results: Among 14 patients who had previously received contralateral lobectomy, 4 were unable to maintain sufficient perioperative oxygenation with usual one-lung ventilation. The predicted pulmonary function before surgery in these patients was as follows: both (I) predicted postoperative forced expiratory volume in 1 second <800 mL/m2; and (II) <=5 contralateral residual segments for ventilation. Regarding special oxygenation techniques, two underwent selective ventilation using lobe-selective bronchial blockade, one underwent intermittent positive airway pressure for operative side lung, and one underwent high-frequency jet ventilation for operative residual lobe. Conclusions: When performing thoracoscopic lobectomy in patients with a history of contralateral lobectomy, a careful evaluation of the preoperative pulmonary function is needed. PMID- 29221296 TI - Prognostic role of initial pan-endoscopic tumor length at diagnosis in operable esophageal squamous cell carcinoma undergoing esophagectomy with or without neoadjuvant concurrent chemoradiotherapy. AB - Background: The objective of this study was to appraise the prognostic role of initial pan-endoscopic tumor length at diagnosis within or between operable esophageal squamous cell carcinoma (ESCC) undergoing upfront esophagectomy or neoadjuvant concurrent chemoradiotherapy (nCCRT) followed by esophagectomy. Methods: Between Jan 2001 and Dec 2013 in Koo-Foundation Sun Yat-sen Cancer Center in Taiwan, 101 ESCC patients who underwent upfront esophagectomy (surgery group) and 128 nCCRT followed by esophagectomy (nCCRT-surgery group) were retrospectively collected. Prognostic variables, including initial pan-endoscopic tumor length at diagnosis (sub-grouped <=3, 3-5 and >5 cm), status of circumferential resection margin (CRM), and pathological T/N/M-status and cancer stage, were appraised within or between surgery and nCCRT-surgery groups. Results: Within surgery group, longer initial pan-endoscopic tumor length at diagnosis (<=3, 3-5 and >5 cm; HR =1.000, 1.688 and 4.165; P=0.007) was an independent prognostic factor that correlated with advanced T/N/M-status, late cancer stage, and CRM invasion (all's P<0.001). Based on the initial pan endoscopic tumor length at diagnosis <=3, 3-5 and >5 cm, nCCRT-surgery group had a poorer (P=0.039), similar (P=0.447) and better (P<0.001) survivals than did surgery group, respectively. For those with initial pan-endoscopic tumor length at diagnosis >5 cm, nCCRT-surgery group had more percentage of T0/N0-status and stage 0 (all's P<0.05), and fewer rate of CRM invasion (P=0.036) than did surgery group. Conclusions: Initial pan-endoscopic tumor length at diagnosis could be a criterion to select proper ESCC cases for nCCRT followed by esophagectomy to improve survival and reduce CRM invasion. PMID- 29221297 TI - Current status of asthma care in South Korea: nationwide the Health Insurance Review and Assessment Service database. AB - Background: Quality control is important for patients with asthma because of its prevalence and because the social burden is substantial. This study analyzed the Health Insurance Review and Assessment Service (HIRA) database to assess asthma quality control in South Korea. Methods: We investigated the HIRA nationwide database for reimbursed insurance claims from all medical institutions in South Korea from July 2013 to June 2014. The number of patients with asthma were evaluated and the medical institutions were categorized by type of medical institution. Asthma care quality was assessed by measuring the performance rate on pulmonary function test (PFT) and investigating prescriptions for asthma medications. Results: A total of 16,804 medical institutions and 831,613 patients were included in this study. Among them, primary health clinics accounted for 87.75% of all medical institutions and 82.50% of patients were treated in a primary health clinic. The overall PFT performance rate was 23.47%, which was highest in tertiary hospitals (80.59%) and relatively lower in primary health clinics (17.06%). Oral agents were prescribed to 93.96% of patients, whereas inhaled agents were prescribed to only 30.34%. Oral corticosteroids were prescribed to 40.61% of patients, leukotriene antagonists to 48.78%, and inhaled corticosteroids (ICS) to 25.37% of patients by drug category. Conclusions: Most patients with asthma were treated in primary health clinics rather than higher class medical institutions. Asthma quality control was poor regarding usage of diagnostic measures and prescribed medications. PMID- 29221298 TI - The Redax(r) Coaxial Drain in pulmonary lobectomy: a study of efficacy. AB - Background: Pleural drainage is required after pulmonary lobectomy to evacuate air-leak and fluid. We compared the performance of the new Redax(r) Coaxial Drain (CD) (Redax, Mirandola, Italy) with a standard chest tube (CT) in terms of fluid and air-leak evacuation. Methods: Fifty-two patients receiving a 24-F CD under water-seal after pulmonary lobectomy through open surgery or video-assisted thoracic surgery (VATS) were matched according to demographic, clinical and pathological variables with 104 patients receiving a 24-F CT. Fluid evacuation and post-operative day 0 (POD0) fluid evacuation rate, air-leak rate, tension pneumothorax or increasing subcutaneous emphysema, tube occlusion at removal, visual analog scale (VAS) score at rest and during cough, chest drain duration, pleural fluid accumulation or residual pleural cavity after tube removal, post operative morbidity and mortality rate were recorded and compared between the two groups. Results: No differences were recorded in post-operative morbidity and mortality rates. Fluid drainage rates on POD0 were significantly higher in CD group (73% vs. 48%; P=0.004); air-leak occurrence was similar in both groups and no differences were recorded in terms of tension pneumothorax or increasing subcutaneous emphysema rates; VAS score was lower for CD when compared with CT and it reached significant difference in the subgroups of patients operated on by VATS; no cases of occlusion at removal were recorded in CD patient. Conclusions: Redax(r) CD is safe and efficient in air-leak and fluid evacuation; due to its design and constituting material it is superior to standard CTs in terms of fluid evacuation rate and patient post-operative comfort. PMID- 29221299 TI - Surgical site infections after lung resection: a prospective study of risk factors in 1,091 consecutive patients. AB - Background: To assess incidence and risk factors of surgical site infections (SSI) (wound infection, pneumonia, empyema) in a monocentric series of patients undergoing lung resection over a decade. Methods: All patients undergoing lung resection at our institution in 2006-2015 [wedge resection, n=579; lobectomy, n=472 (12% after chemo/radiotherapy); pneumonectomy, n=40 (47% after chemo/radiotherapy)], were prospectively enrolled. Perioperative SSI risk factors were recorded: age, gender, blood haemoglobin, lymphocyte count, serum albumin, forced expiratory volume in 1 second percentage (FEV1%) of predicted, antibiotic prophylaxis, length of stay, diabetes, malignancy, steroid therapy, induction chemo/radiotherapy, resection in 2006-2010/2011-2015, urgent/elective procedure, videothoracoscopic/open approach, resection type, operative time. SSIs diagnosed within 30 days from surgery were prospectively recorded and association with risk factors was evaluated. Results: Of the 1,091 resected patients [median age, 65 (range, 13-91) years; male, 74%; malignancy, 65%], 124 (11.4%) developed one or more SSI. Wound infection, pneumonia and empyema rates were respectively 3.2%, 8.3% and 1.9%, stable through the decade. Overall infection rates after wedge resection, lobectomy and pneumonectomy were 4.8%, 17.4% and 35.0%, respectively. Thirty-day postoperative mortality was 0.6%; of the 7 deaths, 4 were causally related with SSI. Multivariable analysis showed that male gender, diabetes, preoperative steroids, induction chemo/radiotherapy, missed antibiotic prophylaxis and resection type were independent risk factors for overall SSI. Conclusions: SSI rates after lung resection were stable over the decade. The observed 11.4% frequency of SSI indicates that postoperative infections remain a relevant issue and a predominant cause of mortality after lung surgery. Focusing on SSI risk factors that are perioperatively modifiable may improve surgical results. PMID- 29221300 TI - Comparison of continuous compression with regular ventilations versus 30:2 compressions-ventilations strategy during mechanical cardiopulmonary resuscitation in a porcine model of cardiac arrest. AB - Background: A compression-ventilation (C:V) ratio of 30:2 is recommended for adult cardiopulmonary resuscitation (CPR) by the current American Heart Association (AHA) guidelines. However, continuous chest compression (CCC) is an alternative strategy for CPR that minimizes interruption especially when an advanced airway exists. In this study, we investigated the effects of 30:2 mechanical CPR when compared with CCC in combination with regular ventilation in a porcine model. Methods: Sixteen male domestic pigs weighing 39+/-2 kg were utilized. Ventricular fibrillation was induced and untreated for 7 min. The animals were then randomly assigned to receive CCC combined with regular ventilation (CCC group) or 30:2 CPR (VC group). Mechanical chest compression was implemented with a miniaturized mechanical chest compressor. At the same time of beginning of precordial compression, the animals were mechanically ventilated at a rate of 10 breaths-per-minute in the CCC group or with a 30:2 C:V ratio in the VC group. Defibrillation was delivered by a single 150 J shock after 5 min of CPR. If failed to resuscitation, CPR was resumed for 2 min before the next shock. The protocol was stopped if successful resuscitation or at a total of 15 min. The resuscitated animals were observed for 72 h. Results: Coronary perfusion pressure, end-tidal carbon dioxide and carotid blood flow in the VC group were similar to those achieved in the CCC group during CPR. No significant differences were observed in arterial blood gas parameters between two groups at baseline, VF 6 min, CPR 4 min and 30, 120 and 360 min post-resuscitation. Although extravascular lung water index of both groups significantly increased after resuscitation, no distinct difference was found between CCC and VC groups. All animals were successfully resuscitated and survived for 72 h with favorable neurologic outcomes in both groups. However, obviously more numbers of rib fracture were observed in CCC animals in comparison with VC animals. Conclusions: There was no difference in hemodynamic efficacy and gas exchange during and after resuscitation, therefore identical 72 h survival with intact neurologic function was observed in both VC and CCC groups. However, the incidence of rib fracture increases during the mechanical CPR strategy of CCC combined with regular ventilations. PMID- 29221301 TI - Matrix-assisted laser desorption ionization time-of-flight mass spectrometry: a powerful tool for identification of Corynebacterium species. AB - Background: Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a powerful tool that has initiated a revolution in the clinical microbiology laboratory for identification of nosocomial pathogens. The efficacy of MALDI-TOF MS produced by bioMerieux, Marcy l'Etoile, France (VITEK MS) for detecting Corynebacterium remains unknown. Methods: Corynebacterium isolates were isolated from clinical specimen in a tertial teaching hospital from 2012 to 2013. All strains confirmed by rpoB sequencing were identified by API Coryne (bioMerieux), Phoenix (BD) and VITEK MS, respectively. The coincidence rate was used to evaluate the consistency and accuracy across three methods. Results: In all, 75 Corynebacterium isolates were collected in this study. The dominant isolates were Corynebacterium striatum (58.7%), Corynebacterium jeikeium (16.0%), Corynebacterium amycolatum (5.3%), Corynebacterium urealyticum (5.3%), Corynebacterium glucuronolyticum (2.7%) and Corynebacterium minutissimum (2.7%). We found that there was no significant difference in the identification of corynebacterium to genus level by MS (100%, 75/75) or Phoenix (93.3%, 70/75) (P=0.058). However, 92.0% (69/75) strains were successfully identified to species by MS while which by Phoenix and API was 78.7% and 65.3% respectively. Compared with gene sequencing, the coincidence rate of identification by MS was significantly higher than Phoenix (P=0.036) and API (P<0.001). Compared with API Coryne (bioMerieux) and Phoenix, VITEK MS shown significant shorter detecting period and less cost. Conclusions: VITEK MS was a powerful tool, which could be applied in clinical laboratory, improving the diagnosis for Corynebacterium infection. PMID- 29221304 TI - Microinvasive segmentectomy in a sculpting manner: a case of VATS left S1+2 segmentectomy. AB - A ground-glass opacity (GGO) lesion was discovered in a 64-year-old female 1 year ago. One month before administration, a follow-up CT showed the lesion in the apical segment of left upper lobe had increased from 8 to 11 mm in diameter. The lesion was diagnosed to be cT1aN0M0 non-small cell lung cancer (NSCLC) and a 3 port video-assisted thoracic surgery (VATS) anatomic segmentectomy was performed. Intraoperative frozen sections revealed a microinvasive adenocarcinoma. Systematic lymph node dissection was then carried out. The final pathological result showed a pT1aN0M0 (Ia) adenocarcinoma. PMID- 29221305 TI - Left upper lobectomy and pulmonary angioplasty by uniportal video-assisted thoracic surgery. AB - Diego Gonzalez-Rivas and his colleagues performed the first case for pulmonary major resection by the uniportal approach in 2010. In the following years, more and more expert surgeons developed the uniportal approach and even applied it to very complex cases. Many centers have showed that uniportal video-assisted thoracic surgery (VATS) lobectomy is a safe and feasible technique. The patient presented here is a complex case: The lingular segmental artery was invaded seriously by the tumor and it was difficult to divide it freely, and the pulmonary artery plasty was needed. Although this condition made the procedure some technically challenging, the case was performed successfully without any operative complications. PMID- 29221302 TI - The Society for Translational Medicine: clinical practice guidelines for mechanical ventilation management for patients undergoing lobectomy. AB - Patients undergoing lobectomy are at significantly increased risk of lung injury. One-lung ventilation is the most commonly used technique to maintain ventilation and oxygenation during the operation. It is a challenge to choose an appropriate mechanical ventilation strategy to minimize the lung injury and other adverse clinical outcomes. In order to understand the available evidence, a systematic review was conducted including the following topics: (I) protective ventilation (PV); (II) mode of mechanical ventilation [e.g., volume controlled (VCV) versus pressure controlled (PCV)]; (III) use of therapeutic hypercapnia; (IV) use of alveolar recruitment (open-lung) strategy; (V) pre-and post-operative application of positive end expiratory pressure (PEEP); (VI) Inspired Oxygen concentration; (VII) Non-intubated thoracoscopic lobectomy; and (VIII) adjuvant pharmacologic options. The recommendations of class II are non-intubated thoracoscopic lobectomy may be an alternative to conventional one-lung ventilation in selected patients. The recommendations of class IIa are: (I) Therapeutic hypercapnia to maintain a partial pressure of carbon dioxide at 50-70 mmHg is reasonable for patients undergoing pulmonary lobectomy with one-lung ventilation; (II) PV with a tidal volume of 6 mL/kg and PEEP of 5 cmH2O are reasonable methods, based on current evidence; (III) alveolar recruitment [open lung ventilation (OLV)] may be beneficial in patients undergoing lobectomy with one-lung ventilation; (IV) PCV is recommended over VCV for patients undergoing lung resection; (V) pre- and post operative CPAP can improve short-term oxygenation in patients undergoing lobectomy with one-lung ventilation; (VI) controlled mechanical ventilation with I:E ratio of 1:1 is reasonable in patients undergoing one-lung ventilation; (VII) use of lowest inspired oxygen concentration to maintain satisfactory arterial oxygen saturation is reasonable based on physiologic principles; (VIII) Adjuvant drugs such as nebulized budesonide, intravenous sivelestat and ulinastatin are reasonable and can be used to attenuate inflammatory response. PMID- 29221306 TI - Systemic tunnel dissection of mediastinal lymph nodes without clamping via uniportal video-assisted thoracoscopic surgery. AB - Here we introduce a manual tunnel approach to remove the mediastinal lymph nodes and highlight the conception of non-clamping during dissection. We describe two cases of pulmonary malignancy performing a strategic lobectomy and systemic dissection of mediastinal lymph nodes via single port. The technique of tunnel dissection without clamping ensure to satisfy the requirement of oncology and clinical criteria. By efficiently specifying surgery procedure and improving dissection thoroughness, our approach should be implemented. PMID- 29221307 TI - Bronchial interrupted suture anastomosis for video-assisted thoracic surgery (VATS) right upper lobe resection. AB - A 60 years old man with right upper lobe squamous cell carcinoma was admitted in the department of thoracic surgery after receiving two cycles of chemotherapy. Chest computed tomography (CT) revealed the mass reduce to 2.0*1.5 cm. No contraindications or metastasis was found after routine preoperative examination. It took 3 hours to complete this operation. Final pathology stage was T3N0M0, stage IIA. This patient discharged on the 7th postoperative day with no complications. PMID- 29221303 TI - The Society for Translational Medicine: clinical practice guidelines for the postoperative management of chest tube for patients undergoing lobectomy. AB - The Society for Translational Medicine and The Chinese Society for Thoracic and Cardiovascular Surgery conducted a systematic review of the literature in an attempt to improve our understanding in the postoperative management of chest tubes of patients undergoing pulmonary lobectomy. Recommendations were produced and classified based on an internationally accepted GRADE system. The following recommendations were extracted in the present review: (I) chest tubes can be removed safely with daily pleural fluid of up to 450 mL (non-chylous and non sanguinous), which may reduce chest tube duration and hospital length of stay (2B); (II) in rare instances, e.g., persistent abundant fluid production, the use of PrRP/B <0.5 when evaluating fluid output to determine chest tube removal might be beneficial (2B); (III) it is recommended that one chest tube is adequate following pulmonary lobectomy, except for hemorrhage and space problems (2A); (IV) chest tube clearance by milking and stripping is not recommended after lung resection (2B); (V) chest tube suction is not necessary for patients undergoing lobectomy after first postoperative day (2A); (VI) regulated chest tube suction [ 11 (-1.08 kPa) to -20 (1.96 kPa) cmH2O depending upon the type of lobectomy] is not superior to regulated seal [-2 (0.196 kPa) cmH2O] when electronic drainage systems are used after lobectomy by thoracotomy (2B); (VII) chest tube removal recommended at the end of expiration and may be slightly superior to removal at the end of inspiration (2A); (VIII) electronic drainage systems are recommended in the management of chest tube in patients undergoing lobectomy (2B). PMID- 29221308 TI - How to manage tumor located between upper division and lingular segment "S3+S4 segmentectomy and S3b+S4 segmentectomy". AB - Segmentectomy is one of the treatment of choice for small-sized non-small cell lung cancer (NSCLC). Although simple segmentectomy is feasible even if under thoracoscopy, complicated segmentectomy which contains more than two segmental plane divisions is difficult especially thoracoscopic surgery. We here present the case of totally thoracoscopic segmentectomy between upper division and lingular segment. In the first case, the 64-year-old female patient admitted for further examination and treatment of left lung ground glass nodule. Tumor located between upper division (S3) and lingular (S4) segment was operated by bi segmentectomy and intraoperative frozen section pathology showed minimally invasive adenocarcinoma. Systematic nodal dissection was followed after retrieval of specimens. A3b A3a+c, and A4 was individually divided and followed by division of B3 and B4. Finally, intersegmental veins V1+2a and V1+2d was identified between segments and V3a+b was divided. In the second case, the 76-year-old female patient with left lung nodule between upper division (S3b) and lingular (S4) segment was operated by bi-segmentectomy. Since sealing test revealed air leakage from resected segmental planes, fibrin glue was applied to stop air leakage and direct suturing by 4-0 prolene between S3a+S3c and S5 was performed. Target lesion between upper division and lingular segments may be resected safely if appropriate demarcation lines are identified regardless of without highly sophisticated imaging systems. PMID- 29221309 TI - Uniportal video-assisted thoracoscopic right upper posterior segmentectomy with systematic mediastinal lymphadenectomy. AB - Uniportal video-assisted thoracoscopic surgery (VATS) has now evolved into a sophisticated technique that can be used in some of the most complex thoracic procedures; however, this approach to segmentectomy is not standardized, and the surgical procedure varies between surgeons. Here, we describe the use of our uniportal VATS procedure during right upper posterior segmentectomy in a patient with a nodule in the right upper lobe. Subsequent mediastinal lymphadenectomy was performed. The patient has recovered well after surgery. We believe that uniportal VATS segmentectomy is a technically safe and feasible alternative approach to conventional thoracoscopic techniques for treating lung cancer. PMID- 29221310 TI - Uniportal video-assisted thoracoscopic surgery left upper lobe trisegmentectomy using flexible tip 3D video scope. AB - A 69-year-old male patient with a history of melanoma and prostate cancer was found to have a 2.6 cm PET-avid, slowly enlarging, left upper lobe lung nodule that was suspicious for either metastasis or primary lung cancer. Due to the deep location of the nodule, a wedge resection was not recommended. A diagnostic and therapeutic uniportal video-assisted thoracoscopic surgery (U-VATS) left upper lobe trisegmentectomy was performed uneventfully. Final pathology confirmed the presence of metastasis from prostate cancer without lymph node involvement. His recovery was uneventful and he was discharged two days after surgery. In this video, we demonstrate our technique for left upper lobe lingula-sparing lobectomy (trisegmentectomy). More importantly, the video demonstrates that a thorough lymphadenectomy can be effectively performed during U-VATS lung resections. PMID- 29221311 TI - Uniportal video-assisted thoracic surgery lobectomy in a patient with carcinoid tumor located at the orifice of the right lower lobe. AB - We present here a 47-year old male patient who had a typical carcinoid tumor located at the orifice of right lower lobe bronchus underwent uniportal thoracoscopic lower lobectomy following bronchoscopic removal of the endobronchial tumor. Tumor was seen by bronchoscopy to protrude out from the lower lobe into the intermediary bronchus obstructing the lower lobe completely and the middle lob partially. However, the origin of the endobronchial tumor was in the distal part of the lower lobe bronchus. In this case, open surgery could be an alternative to save the middle lobe by incising the lower lobe bronchus to pull out the endobronchial tumor first during thoracotomy. The other alternative could be a thoracoscopic lower bilobectomy for achieving a curative resection. In this patient, we performed sequential approaches at the same session as; bronchoscopic removal of the endobronchial tumor first, and then uniportal VATS lower lobectomy. Frozen section pathological analyses of bronchial stump of resected right lower lobe as well as the postoperative bronchoscopic biopsy confirmed a tumor-free margin. Patient was discharged on postoperative day four after an uneventful postoperative course. PMID- 29221312 TI - Port-access thoracoscopic bisubsegmentectomy of right upper lobe posterior and anterior segments. AB - A 64-year-old woman was admitted to our hospital with a 16-mm non-solid tumor with pure ground-glass nodule (GGN) contents in the posterior segment near the anterior segment of her right upper lung lobe that was suspicious of adenocarcinoma in situ (AIS). Three-dimensional computed tomography (3DCT) simulation was performed to identify the subsegmental artery and vein pre- or intra-operatively. Port-access thoracoscopic bisubsegmentectomy of the right upper lobe was performed. A frozen section revealed AIS. The tumor size was 13 mm and the surgical margin from the tumor edge to cutting line was more than 20 mm. The surgical time was 191 minutes and bleeding was 101 mL. The chest tube duration was 3 days and the post-operative hospital stay was 6 days. PMID- 29221313 TI - Video-assisted thoracoscopic surgery (VATS) lower lobe bisegmentectomy (S7/8) for a central pulmonary metastasis. AB - Surgery for pulmonary metastasis is performed heterogeneously with regard to surgical approach [open vs. video-assisted thoracoscopic surgery (VATS)] and resection techniques (e.g., laser enucleation, electro-cautery resection, stapling). Complete tumor resection and preservation of lung parenchyma are of upmost importance. This is technically challenging, especially for central lesions close to vascular and bronchial segmental structures. Thus, simple thoracoscopic wedge resections are often not feasible. A VATS lower lobe bisegmentectomy (S7/8) was performed on a 62-year-old patient with a suspicious pulmonary nodule and a history of hemicolectomy for colorectal carcinoma. Different VATS techniques of vessel dissection and parenchymal control were applied. VATS anatomic segmental resections represent a helpful tool in surgical therapy of central pulmonary metastasis. PMID- 29221314 TI - Thoracoscopic left S4a subsegmentectomy. AB - A 63-year-old woman who underwent a left hepatic lobectomy for hilar cholangiocarcinoma was referred to our department for further management. Chest computed tomography showed a lung nodule that was increased in size to 8 mm in the S4a. The differential diagnosis was metastasis versus primary lung cancer. Thoracoscopic left S4a subsegmentectomy was performed. The operative time was 158 min. The blood loss was minimal. Air leakage was not observed, and a chest tube was removed on POD 1. The patient was discharged home on POD 3. The final diagnosis was primary lung cancer (T1aN0M0 stage IA). Surgical margin was 2.0 cm. PMID- 29221315 TI - Four arm robotic-assisted pulmonary resection-right upper lobectomy: how to do it. AB - Numerous published articles have shown the safety and efficacy of robotic lung resection, including lobectomy. Several techniques have been described by different authors to perform a robot assisted lung lobectomy. We adopted four arms robotic procedure. We usually perform three ports (10-15 mm) and an anterior 3 to 4 cm utility incision. This technique allows to safely proceed with an anterior to posterior approach to the hilum. In this study, we present in clear and sequential steps, the procedure to perform a right upper lobectomy for early stage lung cancer. We also supply a high-quality video, operative tips and a preference cards. PMID- 29221316 TI - Recent advances in the management of pulmonary tuberculoma with focus on the use of tubeless video-assisted thoracoscopic surgery. AB - Pulmonary tuberculoma are benign solitary pulmonary nodules representing up to 25% of all resected solitary pulmonary nodules. However, the differentiation between pulmonary tuberculoma and lung cancer, as well as between active tuberculoma and inactive tuberculoma remains a clinical challenge. The present review summarizes the recent advances in the management of pulmonary tuberculoma, including radiological findings, the response to anti-tuberculosis treatment and surgical treatments. Application of the novel tubeless video-assisted thoracoscopic surgery (VATS) technique in both the diagnosis and treatment of pulmonary tuberculoma has been found to be safe and feasible and leads to less surgical trauma, which results in reduced length of hospitalization and better post-operative quality of life. PMID- 29221317 TI - Cystic tumor of the atrioventricular node: a review of the literature. AB - Primary cardiac tumors are uncommon clinical entities with an incidence of 0.0017% to 0.03% of all autopsies. Cystic tumor of the atrioventricular (AV) node, also known as mesothelioma of the AV node, is a benign congenital tumor that is located in the triangle of Koch in the AV nodal region of the atrial septum of the heart. It comprises of 2.7% of cardiac tumors and is the most common primary cardiac tumor causing sudden death. We herein review the etiology, presentation, differential diagnosis, diagnosis, management, surgical approaches and outcomes of this rare tumor. PMID- 29221319 TI - Lung transplantation in elderly patients. AB - Consensus statements on the selection of lung transplant candidates have consistently identified older age as a relative contraindication to transplantation. A combination of population-level demographic changes, revision of the lung allocation score (LAS), and clearer data on outcomes in elderly transplant recipients has, however, driven a steady increase in the threshold at which age is taken into consideration. This article reviews the current state of lung transplantation in elderly patients with an emphasis on the factors that have increased lung transplantation in older age groups, their expected outcomes including survival and health-related quality of life, and the factors that go in to appropriate candidate and procedure selection in this population. PMID- 29221320 TI - Bridging to lung transplantation with extracorporeal circulatory support: when or when not? AB - Patients with end-stage lung disease who are candidates for lung transplantation may acutely decompensate before a donor organ becomes available. In this scenario, extracorporeal life support (ECLS) may be considered as a bridge to transplant or as a bridge to decision. In the current chapter, we review the indications, techniques, and outcomes for bridging to lung transplantation with ECLS. PMID- 29221318 TI - Lung densitometry: why, how and when. AB - Lung densitometry assesses with computed tomography (CT) the X-ray attenuation of the pulmonary tissue which reflects both the degree of inflation and the structural lung abnormalities implying decreased attenuation, as in emphysema and cystic diseases, or increased attenuation, as in fibrosis. Five reasons justify replacement with lung densitometry of semi-quantitative visual scales used to measure extent and severity of diffuse lung diseases: (I) improved reproducibility; (II) complete vs. discrete assessment of the lung tissue; (III) shorter computation times; (IV) better correlation with pathology quantification of pulmonary emphysema; (V) better or equal correlation with pulmonary function tests (PFT). Commercially and open platform software are available for lung densitometry. It requires attention to technical and methodological issues including CT scanner calibration, radiation dose, and selection of thickness and filter to be applied to sections reconstructed from whole-lung CT acquisition. Critical is also the lung volume reached by the subject at scanning that can be measured in post-processing and represent valuable information per se. The measurements of lung density include mean and standard deviation, relative area (RA) at -970, -960 or -950 Hounsfield units (HU) and 1st and 15th percentile for emphysema in inspiratory scans, and RA at -856 HU for air trapping in expiratory scans. Kurtosis and skewness are used for evaluating pulmonary fibrosis in inspiratory scans. The main indication for lung densitometry is assessment of emphysema component in the single patient with chronic obstructive pulmonary diseases (COPD). Additional emerging applications include the evaluation of air trapping in COPD patients and in subjects at risk of emphysema and the staging in patients with lymphangioleiomyomatosis (LAM) and with pulmonary fibrosis. It has also been applied to assess prevalence of smoking-related emphysema and to monitor progression of smoking-related emphysema, alpha1 antitrypsin deficiency emphysema, and pulmonary fibrosis. Finally, it is recommended as end-point in pharmacological trials of emphysema and lung fibrosis. PMID- 29221321 TI - Living-related lung transplantation. AB - Living-donor lobar lung transplantation (LDLLT) was developed to deal with the severe shortage of brain dead door for patients who would not survive the long waiting period. In standard LDLLT, right and left lower lobes removed from two healthy donors are implanted into a recipient after right and left pneumonectomies using cardiopulmonary bypass (CPB). The number of LDLLT has decreased in the USA due to the recent change in allocation system for cadaveric donor lungs. For the past several years, most of the reports on LDLLT have been from Japan, where the average waiting time for a cadaveric lung is exceeding 800 days. LDLLT has been performed both for adult and pediatric patients suffering from various end-stage lung diseases including restrictive, obstructive, vascular and infectious lung diseases. Since only two lobes are implanted, size matching is a very important issue. Functional size matching by measuring donor pulmonary function and anatomical size matching by three-dimensional computed tomography (3D-CT) volumetry are very useful. For oversize graft, we have employed several techniques, including single lobe transplantation, delayed chest closure, downsizing the graft, and middle lobe transplantation. In cases of undersize mismatch, native upper lobe sparing transplant or right-left inverted transplant was performed. The 5-, 10- and 15-year survivals were 80.8%, 72.6% and 61.7%, respectively. There was no difference in survival between standard LDLLT and non standard LDLLT such as single, sparing and inverted transplant. All donors have been discharged without any restrictions. LDLLT is a viable option for very ill patients who would not survive a long waiting time for cadaveric lungs. We have successfully developed various surgical techniques to overcome size mismatching with favorable outcome. PMID- 29221323 TI - Management of non-small cell lung cancer with EGFR mutation: the role of radiotherapy in the era of tyrosine kinase inhibitor therapy-opportunities and challenges. AB - In recent years, the treatment of advanced non-small cell lung cancer (NSCLC) was greatly promoted by the discovery of oncogenic drivers and the development of targeted therapies specific for these drivers. Somatic mutations in epidermal growth factor receptor (EGFR) are the most common type in patients with NSCLC. Small-molecule tyrosine kinase inhibitor (TKI) targeting EGFR produced relatively high response rate and long duration with acceptable toxicity profile. Also, the life expectancy in patients with active EGFR mutation has been significantly prolonged than the past. Additionally, evolution of advanced imaging and radiation techniques has expanded the indications for radiotherapy in complex clinical situation. All of those factors contributed to the widely use of radiotherapy for advanced NSCLC treated with TKI therapy. In this review, we will discuss how to integrate radiotherapy into the comprehensive treatment of patients with TKI therapy in order to maximize the therapeutics effect. PMID- 29221322 TI - Recipient selection process and listing for lung transplantation. AB - Lung transplantation remains the ultimate treatment option for selected patients with end-stage (cardio) pulmonary disease. Given the current organ shortage, it is without any doubt that careful selection of potential transplant candidates is essential as this may greatly influence survival after the procedure. In this paper, we will review the current guidelines for referral and listing of lung transplant candidates in general, and in more depth for the specific underlying diseases. Needless to state that these are not absolute guidelines, and that decisions depend upon center's activity, waiting list, etc. Therefore, every patient should be discussed with the transplant center before any definite decision is made to accept or decline a patient for lung transplantation. PMID- 29221324 TI - The role of sympathectomy in long QT syndrome. AB - Long QT syndrome (LQTS) is an uncommon and potentially fatal cardiac channelopathy. Treatment options can be medical with beta-blockers or surgical with implantable cardioverter defibrillator (ICD) implantations and left cardiac sympathetic denervation (LCSD). Purpose of this paper is through a literature review to identify the management algorithm and the role of sympathectomy in LQTS. PMID- 29221326 TI - Introduction to JTD Air Pollution Section. PMID- 29221325 TI - Foreign body aspiration in adult airways: therapeutic approach. AB - Tracheobronchial foreign body (FB) aspiration is an uncommon but potentially life threatening event in adults. Symptoms typically consist of a choking event followed by cough and dyspnea, however, these findings are inconsistent and symptoms may mimic more chronic lung diseases such as asthma or chronic obstructive pulmonary disease. Chest radiography and computed tomography can provide information regarding the location and characteristics of foreign bodies and aid in diagnosis. Bronchoscopy remains the gold standard for diagnosis and management of FB aspiration. The authors describe the typical clinical presentation, diagnostic evaluation, and bronchoscopic management of foreign bodies in adult airways with a focus on bronchoscopic techniques and potential complications of FB extraction. PMID- 29221327 TI - War-time asthma: lessons from Syria. PMID- 29221328 TI - Uncontrolled and under-diagnosed asthma in a Damascus shelter during the Syrian crisis. AB - Background: Studies have shown that poor shelter or dwelling conditions may lead to deteriorations in health. Those with asthma may be more susceptible to compromised living conditions and stress leading to a higher risk of asthma exacerbations. To describe the asthma control and quality of life of individuals with diagnosed asthma living in a shelter in Damascus, Syria and estimate the prevalence of respiratory symptoms in shelter dwellers without diagnosed asthma. Methods: In this cross-sectional study, all individuals 5 years and older living in Al-Herjalleh shelter with diagnosed asthma were recruited to complete a questionnaire, which included items related to their respiratory symptoms, asthma exacerbations, exposure to asthma triggers, medication use, and health-related quality of life before and since entering the shelter. A representative sample of shelter dwellers without diagnosed asthma also completed a questionnaire to establish their demographics, respiratory symptoms, environment and chronic disease co-morbidities, in order to identify factors associated with under diagnosed asthma. All participants underwent spirometry to measure their lung function. Descriptive statistics were calculated, and chi-square tests and Student's t-tests were used to compare individuals with asthma before and since entering the shelter, as well as to compare those with under-diagnosed asthma and individuals without asthma. Results: The prevalence of asthma at the Al-Herjalleh shelter in those aged 5 years and older was approximately 8.5%. Nearly 70% of the asthma group felt their asthma had worsened since entering the shelter, and there was a significant drop in the proportion of individuals using inhaled corticosteroids (ICS), with only 4.3% using daily ICS in the shelter (P<0.0001). The proportion of individuals experiencing a severe asthma attack did not change after entering the shelter (P=0.97), but almost all individuals with asthma (94.4%) reported worsening in their health-related quality of life. In the non asthma group, 44.2% of participants reported episodes of wheezing, coughing and breathlessness at night, consistent with under-diagnosed asthma. A higher proportion of those with under-diagnosed asthma had allergic rhinitis (57.1%), symptoms of post-traumatic stress disorder (PTSD) (35.1%), and abnormal spirometry (60.0%), compared to those without asthma. Conclusions: The findings of our study highlight the need for asthma programs in Syrian shelters as significant gaps exist in both the screening and management of chronic respiratory diseases to minimize asthma deterioration in Syrian shelter dwellers. PMID- 29221329 TI - Inter-hospital transports on extracorporeal membrane oxygenation in different health-care systems. AB - The feasibility and the recognition of the possibility to transport patients on extracorporeal membrane oxygenation (ECMO) aroused in the 1970s. The number of transporting facilities worldwide was less than 20 in the beginning of the second Millennium. In 2009 the H1N1 pandemic and a publication showing survival benefit for adult patients transported to a hospital with ECMO resource increased both awareness and interest for ECMO treatment. The number of transport organizations increased rapidly. As of today, the number of transport organizations increases world-wide, though some centers where ECMO is an established treatment report decreasing numbers of transports. Since the introduction of the more user friendly equipment (ECMO-2 era) increasing numbers of low-volume ECMO centers perform these complex treatments. This overview is based on the current literature, personal experience in the field, and information from the authors' network on the organization of ECMO transport systems in different settings of health care around the globe. Registry data since the entry into ECMO-2 shows that the number of ECMO treatments matter. The more treatments performed at a given center the better the patient outcome, and the better these resources are spent for the population served. A Hub-and-Spoke model for national or regional organization for respiratory ECMO (rECMO) should be advocated where central high volume ECMO center (Hub) serves a population of 10 to 15 million. Peripheral units (Spokes) play an important part in emergency cannulations keeping the patient on ECMO support till a mobile ECMO team retrieves the patient. This ECMO team is preferably organized from the Hub and brings competencies for assessment and decision to initiate ECMO treatment bedside at any hospital, for cannulation, and a safe transport to any destination. To conclude, most ECMO transport organizations are reflections of the health care paradigm within which they act. Most transport organizations are established by the staff within who recognize the need. The legal space seems open in most countries; anyone may set up a transport organization anywhere. Quality follow-up varies. Some keep track of adverse events and report whereas most transport entities do not seem to prioritize this. There is no international body for ECMO transports. Such would be the key for definitions, support, networking, and a registry that successively would increase knowledge concerning adverse events, morbidity and mortality. PMID- 29221330 TI - Lung transplantation in the most critically-III: forging ahead. AB - Lung transplantation is the gold standard therapy for patients with end-stage lung disease. The use of the lung allocation score (LAS) has permitted improved allocation of scarce pulmonary allografts. Recently, Crawford et al. examined the experience in the United States in lung transplantation in candidates with the highest LAS, demonstrating that outcomes for candidates with the highest LAS scores have improved significantly. This editorial places these data in the broader context of thoracic transplantation, and highlights the critical need for ongoing examination of this critically-ill patient population. PMID- 29221331 TI - Five reasons for caution in advocating low-dose computerized tomographic lung cancer screening. AB - The 53.5K-person, low-dose computerized tomographic (LDCT), National Lung Cancer Screening Trial (NLST) achieved a 20% reduction in lung cancer mortality and a 6.7% reduction in all-cause mortality at 6.5-year median follow-up. Failure of European LDCT trials employing null (i.e., unscreened) controls to reproduce this benefit compels caution in adopting a policy of population screening. Additional concerns merit attention: surgical mortality is not trivial; overdiagnosis is substantial; disease-free life expectancy and quality of life are markedly diminished by loss of pulmonary reserve; the combination of overdiagnosis and diminished disease-free life expectancy is pernicious. PMID- 29221332 TI - Surgery for a large tracheoesophageal fistula using extracorporeal membrane oxygenation. AB - We report a patient with a giant tracheoesophageal fistula (TEF) planned for reconstructive surgery. Because mechanical ventilation in any form was technically impossible, we successfully used veno-venous extracorporeal membrane oxygenation (VV-ECMO) without the need for mechanical ventilation. PMID- 29221333 TI - Successful treatment of a ruptured left internal mammary artery aneurysm with a delayed diagnosis of type I neurofibromatosis. AB - Neurofibromatosis type I (NF-1) induced vasculopathy is rare but catastrophic complication after aneurysmal rupture. We present the case of a 55-year-old female who developed hypovolemic shock because of left internal mammary artery (IMA) pseudoaneurysm rupture associated with NF-1. Even she was not detected NF-1 at the time of arrival in emergency room. We decided to perform percutaneous embolization instead of surgical approach. In this case, after intervention, the ruptured left IMA aneurysm was well treated. After 10 days, the patient discharged without any complications. PMID- 29221334 TI - Minimally invasive, multi-disciplinary approach for surgical management of a mediastinal congenital bronchogenic cyst in a 6-month-old infant. AB - We present a case of prenatal diagnosis of a mediastinal cyst by ultrasound, confirmed during infancy through computed tomography (CT) and magnetic resonance imaging (MRI). A 6-month-old male infant was admitted to the hospital. A mid mediastinal cyst was detected through a province-wide fetal ultrasonography screening program. During the infancy stage, the CT scan and the MRI confirmed the finding of a mediastinal cyst. Based on the findings on prenatal ultrasonography and postnatal imaging studies (CT, MRI), a benign mediastinal cyst was suspected. The cyst was below the tracheal carina, and the patient developed symptoms of respiratory distress. Owing to the enlargement trend of the cyst, the respiratory distress it has caused, and the anxiety it caused to the patient's family, a multi-disciplinary conference reached the consensus that surgical resection is the treatment of choice and a carina-approach mediastinal lesion resection via video-assisted thoracoscopic surgery (VATS) was performed. The cyst was removed successfully. Although this report is of a single case and follow-up duration is not long enough, we nevertheless make the first move to improve the pattern to a feasible, reliable, and efficient one, which could be used to treat similar patients. PMID- 29221335 TI - Chylothorax after mediastinal ganglioneuroma resection treated with fibrin sealant patch: a case report. AB - Chylothorax is a severe condition resulting from the accumulation of chyle into the pleural space. We report the treatment of postoperative chylothorax after resection of mediastinal ganglioneuroma in a 17-year-old boy. Since conservative measures were not effective, we performed direct ligation of lymphatic vessels and pleurodesis. At subsequent surgical re-exploration for persisting chylothorax, accurate inspection of pleural cavity revealed residual chyle leakage. Fibrin sealant patches (TachoSil(r)) were placed over the source of leak with complete resolution of chylous effusion. To our knowledge, this is the first report of postoperative chylothorax successfully treated by the use of a fibrin sealant patch. PMID- 29221336 TI - Hemangiopericytoma 11 years later: delayed recurrence of a rare soft tissue sarcoma. AB - Hemangiopericytomas (HPCs) are uncommon tumours. We present the case of a 41-year old female with multiple resections at different sites over the course of 11 years. The approach considerations, as well as treatment options and prognosis are discussed. A 41-year-old female with two previous resections for intracranial meningeal HPC in 2004 and 2008, as well as adjuvant radiotherapy, presented in 2015 with left intrathoracic and left hip recurrence confirmed by positron emission tomography/computed tomography (PET/CT). She underwent left proximal femur resection/reconstruction and video-assisted thoracoscopic surgery (VATS) resection of the intrathoracic tumour was attempted. She was discharged home on her 4th post-operative day with minimal pain. There were no neurosensory or motor deficits. Any patient who has been diagnosed with HPC in the past who develops new symptoms should be worked up for recurrence, regardless of the length of disease-free interval, as our case study suggested. There has yet to be a standardized follow-up regime due to the rarity of these tumours. HPC remains a rare soft tissue sarcoma with high recurrence rate. Planned VATS evaluation and resection is possible provided complete resection with clear surgical margins can be achieved, as clear surgical margins offer the best chance of survival. PMID- 29221337 TI - A case report of giant esophageal neurofibroma. AB - Esophageal neurofibroma is a rare type of benign esophageal tumor. We presented a case of a 63-year-old man with a 12-cm diameter upper-thoracic esophageal submucosal tumor. Surgery of a thoracotomy was performed to remove the lesion. The postoperative course was uneventful and the patient was discharged on the postoperative day 10. Immunohistochemical staining confirmed the diagnosis of esophageal neurofibroma. PMID- 29221338 TI - The new transbronchial diagnostic approach for the metastatic lung tumor from renal cell carcinoma-a case report. AB - Endobronchial ultrasound-guided needle aspiration (EBUS-TBNA) is a well established procedure with high diagnostic yield and safety. However, the standard 22 gauge needles sometimes cause major bleeding particularly in hypervascular tumors like metastatic lung tumors from renal cell carcinoma (RCC). The 25 gauge needles are already introduced to endoscopic ultrasound-guided fine needle aspiration (EUS-FNA), and are considered as one of the standard devices due to their comparable diagnostic outcome, lower complication risk, and the better manipulability. Recently, the new 25 gauge needles have been applied to EBUS-TBNA. In present case, we were able to obtain a definitive diagnosis of the metastatic RCC by EBUS-TBNA using the 25 gauge needle. The new thin needle might be a better option for hypervascular tumors of the lung. PMID- 29221339 TI - Laparoscopic repair of a peritoneopericardial diaphragmatic hernia after a convergent procedure for the treatment of atrial fibrillation. AB - Peritoneopericardial diaphragmatic hernia is a rare entity involving herniation of abdominal viscera through the diaphragm into the pericardial sac. It is most often seen after blunt abdominal trauma, but can occur following any trans diaphragmatic intervention. We report on a 56-year-old female with peritoneopericardial diaphragmatic hernia secondary to a convergent procedure for the treatment of atrial fibrillation, who underwent a laparoscopic repair. An anterior abdominal wall laparoscopic approach was employed. Transverse colon and greater omentum were within the hernia sac. The defect measuring 3 cm * 3 cm was repaired using a composite hernia mesh. The total operative time was 78 minutes. No intra-operative and no post-operative complications were observed. Patient remained asymptomatic at a 6-month follow-up. Laparoscopic mesh repair of peritoneopericardial diaphragmatic hernia is safe, feasible and is the procedure of choice for treating these complex hernias. PMID- 29221340 TI - Sudden hypotension occurring after 4 days of left-sided central catheter placement. AB - Central venous catheters (CVCs) have an important role in the management of critically ill patients. In contrast to the immediate complications after CVC insertion, the late complications were difficult to be noticed without high suspicion despite their life-threatening outcome. We report a rare but fatal delayed vascular perforation occurring after 4 days of left-sided hemodialysis catheter insertion. A 74-year-old male with septic shock was treated with continuous renal replacement therapy (CRRT) and recovered smoothly during hospitalization. Refractory hypotension occurred abruptly on the fourth hospital day. Chest X-ray and computed tomography revealed that the catheter tip perforated the innominate vein and located the mediastinum. He finally died despite the emergent radiologic intervention. PMID- 29221341 TI - Atypical carcinoid localized at the bronchus accompanied by diffuse idiopathic pulmonary neuroendocrine cell hyperplasia in the distal lung: a rare case report. AB - Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is hyperplasia of noninvasive neuroendocrine cells originating from Kultchitsky cells. This is a rare pathological condition, suspected to be a precursor lesion of carcinoid, together with tumorlet. In the WHO histological classification (4th edition) revised in 2015, DIPNECH was added to the category that includes neuroendocrine tumors. Our patient was a 77-year-old woman who initially visited another doctor because of coughing. Chest CT revealed a mass occluding the right intermediate bronchial trunk, and bronchial carcinoid was suspected from biopsy findings, leading to referral of this patient to our department. The tumor was excised under a rigid bronchoscope for the purpose of making a definitive histological diagnosis and determining the extent of spread. The stalk portion of the tumor extended from the bifurcation of the middle and lower lobe bronchi in the membranous part of the intermediate trunk to the central side. The airway appeared to be almost completely occluded under bronchoscopy, but aeration from the periphery was maintained. Histopathologically, there was hyperplasia of oval atypical cells with relatively poor cytoplasm beneath the bronchial mucosa on HE staining, suggesting neuroendocrine tumor. Immunostaining revealed that these cells were positive for CD56, chromogranin A, and synaptophysin, and that there was moderate mitosis, leading to a diagnosis of atypical carcinoid. At a later date, radical surgery comprised of right pulmonary middle and lower lobectomy and lymph node dissection was performed. The final histopathological diagnosis was atypical carcinoid of the bronchus (pT1aN0M0, stage IA). There were multiple aggregations of atypical cells, measuring approximately 1-3 mm, along the airway around the bronchioles in the excised lung, indicating concomitant DIPNECH. The patient currently has no evidence of either recurrence or metastasis at 12 months after surgery, but we will continue meticulous follow-up. PMID- 29221342 TI - Tuberculous tracheobronchial stenosis: avoiding resection-when less is more. AB - A case of tracheobronchial stenosis due to tuberculosis in a young woman is presented. Compromised pulmonary function due to near-total obstruction of the proximal left main bronchus was diagnosed. Treatment options included surgical resection, endobronchial dilation or stenting, and argon photocoagulation. An approach was chosen to address symptoms without aggressive resection or commitment to stenting. She remains monitored and, while possibly committed to future intervention, no bridges have been burned with respect to more definitive and invasive therapies. We propose this "less is more" initial approach in all patients when possible. Reserving the more aggressive alternatives for high-risk surgical candidates and those that have been unresponsive to lesser procedures. PMID- 29221343 TI - Adult-onset Langerhans cell histiocytosis of the sternum. AB - Langerhans cell histiocytosis (LCH) is a rare disease with uncertain etiology that is more prevalent in children. LCH typically invades skeletal systems, but in rare cases, it has been reported in the ribs or sternum. Optimal treatment choices for single-site, skeletal LCH are still undefined. We report a case of adult-onset LCH of the sternum. The range of surrounding soft tissue invasion was confirmed by three-dimensional fusion and reconstruction of chest computed tomography and magnetic resonance images. Our patient was successfully treated by local surgical curettage and adjuvant radiation therapy. We concluded that postoperative adjuvant radiation therapy may be advantageous for single-site LCH of bones with soft tissue invasion. PMID- 29221344 TI - Endoscopic diverticulotomy with a stapler can be an effective and safe treatment for Killian-Jamieson diverticulum. AB - Killian-Jamieson diverticulum (KJD) is a rarely encountered esophageal diverticulum which attributes to several symptoms. Clinically, KJD should be differentiated from the most common type of esophageal herniation, i.e., Zenker's diverticulum (ZD). The two diverticula may present in a similar fashion, and treatments have evolved from transcervical to a minimally invasive endoscopic approach in recent years. We present a case of an 88-year-old male with symptomatic esophageal diverticulum. Barium swallow esophagogram and flexible esophagoscopy demonstrated a large KJD with food debris retention. Endoscopic diverticulotomy using a stapler was performed successfully without injury to the recurrent laryngeal nerve (RLN). A literature review and discussion concerning etiology, clinical presentations, and radiographic characteristics of KJD was conducted, and comparison between open and endoscopic method for esophageal diverticulum was also carried out. PMID- 29221345 TI - A rare mixed breast cancer of intraductal and solid papillary with tubular carcinoma histotypes in a young woman. AB - Mixed breast cancer, especially of uncommon breast cancer histotypes, is rare, limiting our understanding of the disease and influencing diagnostic and management outcomes. We report a case of mixed breast cancer, with features of intraductal and solid papillary and tubular carcinomas, which appeared in a young patient. Physical examination, ultrasonography, molybdenum target mammography, and histopathology were performed for a definitive diagnosis. Tumor resection followed by radiotherapy and adjuvant chemotherapy was selected as the therapeutic strategy, and the patient was followed up thrice post treatment. We discuss the detailed diagnosis, treatment, and follow-up, together with a literature review of mixed breast cancer, to help optimize clinical management of mixed breast cancer. PMID- 29221346 TI - Highlighted version successful resection of a tracheal metastasis of rectal cancer: a case report. AB - A tracheal metastasis (TM) from non-pulmonary malignancy is extremely rare, and there are very few reports regarding TM. Here, we report a case of the successful tracheal resection of TM of colorectal cancer. A 36-year-old man underwent a surgical resection for the rectal cancer. Approximately 5 years after the surgical resection of the primary rectal cancer, an isolated TM was identified. The patient was successfully treated with a tracheal resection. In conclusion, the current case suggested that the best treatment of the isolated TM might be a surgical resection. PMID- 29221347 TI - Safe administration of intrapleural alteplase during pregnancy. AB - Instillation of intrapleural (IP) fibrinolytics has been used in patients with complicated parapneumonic pleural effusions to improve fluid drainage and decrease the need for surgical intervention. However, clinical trials have not included certain special populations such as pregnant females and there are currently no published case reports of this practice in this group. We describe the case of a 35-year-old female, G2P1 at 32 weeks of gestation, with a complicated pleural effusion due to influenza pneumonia with superimposed bacterial pneumonia. Her parapneumonic pleural effusion was successfully treated with intercostal tube drainage and IP alteplase [tissue plasminogen activator (tPA)] administration and systemic antibiotics with no harm to her or her fetus, sparing this patient from more invasive surgical procedures. This is the first reported case of successful IP tPA administration for a complicated parapneumonic pleural effusion in a pregnant patient. PMID- 29221348 TI - Lung metastases in an atypical type A thymoma variant. AB - A 35-year-old woman had undergone extensive thymothymectomy for type A thymoma several years ago. However, two small lung nodules were found 4 and 5 years after surgery. After a partial lung resection to remove these nodules, pathology revealed that they were metastases of the type A thymoma. A pathological re evaluation confirmed that the primary tumor had in fact been an atypical type A thymoma variant, a subset added to the WHO classification in 2015. Pathology should be re-evaluated in all patients diagnosed with type A thymoma before 2015 since they may have the more aggressive atypical type A thymoma variant. PMID- 29221349 TI - AB thymoma with atypical type A component with delayed multiple lung and brain metastases. AB - An atypical type A thymoma is a newly added entity to the last World Health Organization (WHO) histological classification [2015] of uncertain prognosis. The conventional type A and AB thymomas are usually locally aggressive neoplasms that rarely metastasize with distant metastases to the central nervous system (CNS) occurring extremely exceptionally. We present a history of a woman with a mediastinal tumor originally considered to be a Masaoka-Koga stage II "mixed thymoma with well-differentiated thymic carcinoma component" according to the historic Muller-Hermelink nomenclature. By applying the criteria of the new WHO classification the tumor should be reclassified as an AB thymoma with an atypical A component. The patient developed metastases to the lung and brain 10 and 15 years after the original diagnosis, respectively. All metastases morphologically corresponded to an atypical A component of primary thymoma. Molecular study revealed GTF2I mutations in the primary and one of the metastatic tumors. To our knowledge, this is the first description of a GTF2I mutation in AB thymoma with atypical A component and its metastases. The presented case highlights the necessity of an accurate microscopic search for atypical areas in A or AB thymomas because of their potentially negative impact on prognosis. PMID- 29221352 TI - Professor Clemens Aigner: the development and the future of lung surgery. PMID- 29221351 TI - Extracorporeal membrane oxygenation system as a bridge to reparative surgery in ventricular septal defect complicating acute inferoposterior myocardial infarction. AB - Post-infarction ventricular septal defect (VSD) is a rare but potentially lethal complication of acute myocardial infarction. Medical management is usually futile, so definitive surgery remains the treatment of choice but the risk surgery is very high and the optimal timing for surgery is still under debate. A 55-year-old man with no previous medical history attended the emergency-room for 12 h evolution of oppressive chest pain and strong anginal pain 7 days ago. On physical examination, blood pressure was 96/70 mmHg, pansystolic murmur over left sternal border without pulmonary crackles. An electrocardiogram revealed sinus rhythm 110 bpm, elevation ST and Q in inferior-posterior leads. Transthoracic echocardiogram showed inferoposterior akinesia, posterior-basal septal rupture (2 cm * 2 cm) with left-right shunt. Suspecting VSD in inferior-posterior acute myocardial infarction evolved, we performed emergency coronarography with 3 vessels disease and complete subacute occlusion of the mid segment of the right coronary artery. Left ventriculography demonstrated shunting of contrast from the left ventricule to the right ventricule. He was rejected for heart transplantation because of his age. Considering the high surgical risk to early surgery and his hemodynamic and clinical stability, delayed surgical treatment is decided, and 4 days after admission the patient suffered hemodynamic instability so venoarterial extracorporeal membrane oxygenation system (ECMO) is implanted as a bridge to reparative surgery. The 9th day after admission double bypass, interventricular defect repair with pericardial two-patch exclusion technique, and ECMO decannulation were performed. The patient's postoperative course was free of complications and was discharged 10 days post VSD repair surgery. Follow up 3-month later revealed the patient to be in good functional status and good image outcome with intact interventricular septal patch without shunt. ECMO as a bridge to reparative surgery in postinfarction VSD is an adequate option to stabilize patients until surgery. PMID- 29221350 TI - Glomus tumors of the trachea: 2 case reports and a review of the literature. AB - Glomus tumors (GTs) of the trachea are very rare neoplasms that usually arise from the distal portion of the respiratory tree. The origin of these tumors is modified smooth muscle cells of glomus bodies. In this study, we describe two cases of GT of the trachea, as well as the histologic features of these tumors and their treatments. One tumor was diagnosed via bronchoscopic biopsy, and the other tumor was diagnosed via surgery. Clinical follow-up showed that the two patients are alive and well after 8 and 15 months post-treatment, respectively. We also review the literature regarding GTs and discuss the clinical presentation, histologic features, differential diagnosis, treatment and prognosis of these tumors. PMID- 29221353 TI - Professor Yin-Kai Chao: art of surgery-the journey of a thoracic surgeon. PMID- 29221354 TI - Dr. Masaki Hashimoto: clinical impact of circulating tumor cell in metastatic colorectal cancer patients who underwent pulmonary metastasectomy. PMID- 29221355 TI - Professor Bruce W. Lytle: let the talented people exhibit their ideas without inhibiting them, taking the advantages of the people around you-the key for collaboration. PMID- 29221356 TI - Prof. John Elefteriades: being alert to everything a patient teaches you. PMID- 29221357 TI - Professor Joshua Sonett: to make lung donors more available in the US. PMID- 29221359 TI - Thoracic surgeon Lijie Tan in Shanghai Zhongshan Hospital: discussion on the self cultivation of a thoracic surgeon. PMID- 29221358 TI - Prof. David Watson: new things are not always better. PMID- 29221360 TI - Prof. Christopher W. Seder: "Cooperation with the STS database: where do we go next?" PMID- 29221361 TI - Prof. Jaroslaw Kuzdzal: education on thoracic surgery should include more global aspects. PMID- 29221362 TI - Comparison of the yield of 19-G eXcelon core needle to a 21-G EBUS needle during endobronchial ultrasound guided transbronchial needle aspiration of mediastinal lymph nodes for the detection of granulomas in cases of suspected sarcoidosis. PMID- 29221363 TI - Sleep disordered breathing and post-cardiac surgery atrial fibrillation. PMID- 29221364 TI - Navigation-assisted bronchoscopy for ground-glass opacity lesions. PMID- 29221365 TI - Morphine in acute heart failure: good in relieving symptoms, bad in improving outcomes. PMID- 29221366 TI - PET scan avidity and its role in surgical resection for IIIa N2 disease. PMID- 29221367 TI - Target blood pressure in high risk cardiovascular patients. PMID- 29221368 TI - Recognizing the strange: experience of the ESTS-AME clinical fellowship in Beijing and Guangzhou. PMID- 29221369 TI - Controversy and perspective in the management of marginally operable stage IIIA non-small cell lung cancer: response to Editorial by Charlotte Billiet and Dirk De Ruysscher and Editorial by Dr. Wanpu Yan and Dr. David R. Jones. PMID- 29221370 TI - Symptom-based treatment with Traditional Chinese Medicine in bronchiectasis patients with hemoptysis. PMID- 29221371 TI - Two-Step Nanoscale Approach for Well-Defined Complex Alkanethiol Films on Au Surfaces. AB - Controlling the molecular organization of organic self-assembled monolayers (SAM) is of utmost importance in nanotechnology, molecular electronics, and surface science. Here we propose two well-differentiated approaches, double printing based on microcontact printing (MU-cp) and molecular backfilling adsorption, to produce complex alkanethiol films. The resulting films on model Au surfaces were characterized by atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS), and contact angle measurements. Double printing alkanethiols results in clear coexisting regions where no molecular displacement is observed, highlighting the slow diffusion rates of long alkanethiols and large attractive interaction between long alkyl chains. Exposing a single-print MU-cp Au substrate to an additional alkanethiol solution yields the formation of differently ordered domain boundaries with different thickness and micrometer lateral size. The high order is a result of enhanced molecular mobility and restructuring during solution backfilling. The formed molecular assemblies constitute an excellent testing ground for nanoscale phenomena that strongly depend on the nanoscale geometrical and chemical features of the surface such as designed functionality or corrosion initiation and inhibition. PMID- 29221372 TI - Surface-attached hydrogel coatings via C,H-insertion crosslinking for biomedical and bioanalytical applications (Review). AB - A novel method for the generation of surface-attached hydrogel coatings and their use in biomedical applications is discussed. This short review concentrates on surface architectures that are prepared from prepolymers carrying reactive groups suitable for crosslinking via C,H insertion reactions [C,H insertion crosslinking (CHic)]. Upon photochemical or thermal activation these groups do not only induce the crosslinking of the system, but also connect the forming gel to the surface as long as the surface itself consists of an organic material. C,H groups as the reaction partner are available in abundance at practically all types of organic surfaces such as biomaterials or polymers, rendering the technique almost universally applicable. Surface-attached gels prepared this way show unique swelling properties due to the confinement of the chains, as the obtained essentially two-dimensional gels can only swell in one dimension. This anisotropic swelling does not permit penetration of the layers by macromolecules so that the surfaces become bioinert, i.e., are strongly protein and cell repellent. It is discussed how this property can be used to control the interaction of surfaces with biological species ranging from the level of biomolecules to living cells. A combination of the CHic chemistry and microstructuring techniques opens further avenues for the study of the behavior of cells to the generation of novel bioanalytical devices. PMID- 29221373 TI - Note: Assessment of the SCAN+rVV10 functional for the structure of liquid water. AB - The performance of the SCAN+rVV10 functional in modeling the structural properties of liquid water is studied through constant-volume ab initio molecular dynamics simulations with both classical and quantum nuclei. The radial distribution functions are found to be slightly overstructured with respect to experiment, but overall similar to those achieved with the bare SCAN and the rVV10 functionals. From the pressures calculated during the dynamics, it is inferred that the SCAN+rVV10 functional leads to a noticeable overestimation of the density of liquid water. PMID- 29221374 TI - Coherent state mapping ring polymer molecular dynamics for non-adiabatic quantum propagations. AB - We introduce the coherent-state mapping ring polymer molecular dynamics (CS RPMD), a new method that accurately describes electronic non-adiabatic dynamics with explicit nuclear quantization. This new approach is derived by using coherent-state mapping representation for the electronic degrees of freedom (DOF) and the ring-polymer path-integral representation for the nuclear DOF. The CS RPMD Hamiltonian does not contain any inter-bead coupling term in the state dependent potential and correctly describes electronic Rabi oscillations. A classical equation of motion is used to sample initial configurations and propagate the trajectories from the CS-RPMD Hamiltonian. At the time equivalent to zero, the quantum Boltzmann distribution (QBD) is recovered by reweighting the sampled distribution with an additional phase factor. In a special limit that there is one bead for mapping variables and multiple beads for nuclei, CS-RPMD satisfies detailed balance and preserves an approximate QBD. Numerical tests of this method with a two-state model system show very good agreement with exact quantum results over a broad range of electronic couplings. PMID- 29221375 TI - Adaptive enhanced sampling with a path-variable for the simulation of protein folding and aggregation. AB - In this article, we present a novel adaptive enhanced sampling molecular dynamics (MD) method for the accelerated simulation of protein folding and aggregation. We introduce a path-variable L based on the un-biased momenta p and displacements dq for the definition of the bias s applied to the system and derive 3 algorithms: general adaptive bias MD, adaptive path-sampling, and a hybrid method which combines the first 2 methodologies. Through the analysis of the correlations between the bias and the un-biased gradient in the system, we find that the hybrid methodology leads to an improved force correlation and acceleration in the sampling of the phase space. We apply our method on SPC/E water, where we find a conservation of the average water structure. We then use our method to sample dialanine and the folding of TrpCage, where we find a good agreement with simulation data reported in the literature. Finally, we apply our methodologies on the initial stages of aggregation of a hexamer of Alzheimer's amyloid beta fragment 25-35 (Abeta 25-35) and find that transitions within the hexameric aggregate are dominated by entropic barriers, while we speculate that especially the conformation entropy plays a major role in the formation of the fibril as a rate limiting factor. PMID- 29221376 TI - Eigenstate-specific temperatures in two-level paramagnetic spin lattices. AB - Increasing interest in the thermodynamics of small and/or isolated systems, in combination with recent observations of negative temperatures of atoms in ultracold optical lattices, has stimulated the need for estimating the conventional, canonical temperature Tcconv of systems in equilibrium with heat baths using eigenstate-specific temperatures (ESTs). Four distinct ESTs continuous canonical, discrete canonical, continuous microcanonical, and discrete microcanonical-are accordingly derived for two-level paramagnetic spin lattices (PSLs) in external magnetic fields. At large N, the four ESTs are intensive, equal to Tcconv, and obey all four laws of thermodynamics. In contrast, for N < 1000, the ESTs of most PSL eigenstates are non-intensive, differ from Tcconv, and violate each of the thermodynamic laws. Hence, in spite of their similarities to Tcconv at large N, the ESTs are not true thermodynamic temperatures. Even so, each of the ESTs manifests a unique functional dependence on energy which clearly specifies the magnitude and direction of their deviation from Tcconv; the ESTs are thus good temperature estimators for small PSLs. The thermodynamic uncertainty relation is obeyed only by the ESTs of small canonical PSLs; it is violated by large canonical PSLs and by microcanonical PSLs of any size. The ESTs of population-inverted eigenstates are negative (positive) when calculated using Boltzmann (Gibbs) entropies; the thermodynamic implications of these entropically induced differences in sign are discussed in light of adiabatic invariance of the entropies. Potential applications of the four ESTs to nanothermometers and to systems with long-range interactions are discussed. PMID- 29221377 TI - Communication: Mechanochemical fluctuation theorem and thermodynamics of self phoretic motors. AB - Microscopic dynamical aspects of the propulsion of nanomotors by self-phoretic mechanisms are considered. Propulsion by self-diffusiophoresis relies on the mechanochemical coupling between the fluid velocity field and the concentration fields induced by asymmetric catalytic reactions on the motor surface. The consistency between the thermodynamics of this coupling and the microscopic reversibility of the underlying molecular dynamics is investigated. For this purpose, a mechanochemical fluctuation theorem for the joint probability to find the motor at position r after n reactive events have occurred during the time interval t is derived, starting from coupled Langevin equations for the translational, rotational, and chemical fluctuations of self-phoretic motors. An important result that follows from this analysis is the identification of an effect that is reciprocal to self-propulsion by diffusiophoresis, which leads to a dependence of the reaction rate on the value of an externally applied force. PMID- 29221378 TI - Theoretical approaches for treating non-valence correlation-bound anions. AB - In this work, we use a model (H2O)4 cluster, the bent CO2 molecule, and tetracyanoethylene as systems to explore the applicability of various electronic structure methods for characterizing non-valence correlation-bound anion states. The methods examined include the algebraic diagrammatic construction, various equation-of-motion coupled cluster methods, orbital-optimized MP2, and Brueckner coupled cluster doubles with perturbative triples. We demonstrate that the key to treating this challenging class of anions is the use of methods that include adequate orbital relaxation in response to long-range dispersion-like correlation effects. PMID- 29221379 TI - Clearing out a maze: A model of chemotactic motion in porous media. AB - We study the anomalous dynamics of a biased "hungry" (or "greedy") random walk on a percolating cluster. The model mimics chemotaxis in a porous medium: In close resemblance to the 1980s arcade game PAC-MAN(r), the hungry random walker consumes food, which is initially distributed in the maze, and biases its movement towards food-filled sites. We observe that the mean-squared displacement of the process follows a power law with an exponent that is different from previously known exponents describing passive or active microswimmer dynamics. The change in dynamics is well described by a dynamical exponent that depends continuously on the propensity to move towards food. It results in slower differential growth when compared to the unbiased random walk. PMID- 29221380 TI - Halogen bonding properties of 4-iodopyrazole and 4-bromopyrazole explored by rotational spectroscopy and ab initio calculations. AB - The combination of halogen- and hydrogen-bonding capabilities possessed by 4 bromopyrazole and 4-iodopyrazole has led to them being described as "magic bullets" for biochemical structure determination. Laser vaporisation was used to introduce each of these 4-halopyrazoles into an argon gas sample undergoing supersonic expansion prior to the recording of the rotational spectra of these molecules by chirped-pulse Fourier transform microwave spectroscopy. Data were obtained for four isotopologues of 4-bromopyrazole and two isotopologues of 4 iodopyrazole. Isotopic substitutions were achieved at the hydrogens attached to the pyrrolic nitrogen atoms of both 4-halopyrazoles and at the bromine atom of 4 bromopyrazole. The experimentally determined nuclear quadrupole coupling constants, chiaa(X) and chibb(X)-chicc(X), of the halogen atoms (where X is the halogen atom) of each molecule are compared with the results of the ab initio calculations and those for a range of other halogen-containing molecules. It is concluded that each of 4-bromopyrazole and 4-iodopyrazole will form halogen bonds that are broadly comparable in strength to those formed by CH3X and CF3X. PMID- 29221381 TI - Study of Li atom diffusion in amorphous Li3PO4 with neural network potential. AB - To clarify atomic diffusion in amorphous materials, which is important in novel information and energy devices, theoretical methods having both reliability and computational speed are eagerly anticipated. In the present study, we applied neural network (NN) potentials, a recently developed machine learning technique, to the study of atom diffusion in amorphous materials, using Li3PO4 as a benchmark material. The NN potential was used together with the nudged elastic band, kinetic Monte Carlo, and molecular dynamics methods to characterize Li vacancy diffusion behavior in the amorphous Li3PO4 model. By comparing these results with corresponding DFT calculations, we found that the average error of the NN potential is 0.048 eV in calculating energy barriers of diffusion paths, and 0.041 eV in diffusion activation energy. Moreover, the diffusion coefficients obtained from molecular dynamics are always consistent with those from ab initio molecular dynamics simulation, while the computation speed of the NN potential is 3-4 orders of magnitude faster than DFT. Lastly, the structure of amorphous Li3PO4 and the ion transport properties in it were studied with the NN potential using a large supercell model containing more than 1000 atoms. The formation of P2O7 units was observed, which is consistent with the experimental characterization. The Li diffusion activation energy was estimated to be 0.55 eV, which agrees well with the experimental measurements. PMID- 29221382 TI - Detailed balance, internal consistency, and energy conservation in fragment orbital-based surface hopping. AB - We have recently introduced an efficient semi-empirical non-adiabatic molecular dynamics method for the simulation of charge transfer/transport in molecules and molecular materials, denoted fragment orbital-based surface hopping (FOB-SH) [J. Spencer et al., J. Chem. Phys. 145, 064102 (2016)]. In this method, the charge carrier wavefunction is expanded in a set of charge localized, diabatic electronic states and propagated in the time-dependent potential due to classical nuclear motion. Here we derive and implement an exact expression for the non adiabatic coupling vectors between the adiabatic electronic states in terms of nuclear gradients of the diabatic electronic states. With the non-adiabatic coupling vectors (NACVs) available, we investigate how different flavours of fewest switches surface hopping affect detailed balance, internal consistency, and total energy conservation for electron hole transfer in a molecular dimer with two electronic states. We find that FOB-SH satisfies detailed balance across a wide range of diabatic electronic coupling strengths provided that the velocities are adjusted along the direction of the NACV to satisfy total energy conservation upon a surface hop. This criterion produces the right fraction of energy-forbidden (frustrated) hops, which is essential for correct population of excited states, especially when diabatic couplings are on the order of the thermal energy or larger, as in organic semiconductors and DNA. Furthermore, we find that FOB-SH is internally consistent, that is, the electronic surface population matches the average quantum amplitudes, but only in the limit of small diabatic couplings. For large diabatic couplings, inconsistencies are observed as the decrease in excited state population due to frustrated hops is not matched by a corresponding decrease in quantum amplitudes. The derivation provided here for the NACV should be generally applicable to any electronic structure approach where the electronic Hamiltonian is constructed in a diabatic electronic state basis. PMID- 29221383 TI - Self-adaptive tensor network states with multi-site correlators. AB - We introduce the concept of self-adaptive tensor network states (SATNSs) based on multi-site correlators. The SATNS ansatz gradually extends its variational space incorporating the most important next-order correlators into the ansatz for the wave function. The selection of these correlators is guided by entanglement entropy measures from quantum information theory. By sequentially introducing variational parameters and adjusting them to the system under study, the SATNS ansatz achieves keeping their number significantly smaller than the total number of full-configuration interaction parameters. The SATNS ansatz is studied for manganocene in its lowest-energy sextet and doublet states; the latter of which is known to be difficult to describe. It is shown that the SATNS parametrization solves the convergence issues found for previous correlator-based tensor network states. PMID- 29221384 TI - The second virial coefficient of bounded Mie potentials. AB - The second virial coefficient (SVC) of bounded generalizations of the Mie m:n potential phi(r)=lambda[1/(aq+rq)m/q-1/(aq+rq)n/q], where lambda, a, q, m, and n are constants (a >= 0), is explored. The particle separation distance is r. This potential could be used as an effective interaction between polymeric dispersed colloidal particles of various degrees of interpenetrability. The SVC is negative for all temperatures for a, greater than a critical value, ac, which coincides with the range of a, where the system is thermodynamically unstable. The Boyle temperature and the temperature at which the SVC is a maximum diverge to +infinity as a -> ac from below. Various series expansion expressions for the SVC are derived following on from those derived for the Mie potential itself (i.e., a = 0) in the study of Heyes et al. [J. Chem. Phys. 145, 084505 (2016)]. Formulas based on an expansion of the exponential in the Mayer function definition of the SVC are formally convergent, but pose numerical problems for the useful range of a < 1. High temperature expansion (HTE) formulas extending those in the previous publication are derived, which in contrast converge rapidly for the full a range. The HTE formulas derived in this work could be useful in guiding the choice of nucleation and growth experimental conditions for dispersed soft polymeric particles. Inter alia, the SVC of the inverse power special case of the Bounded Mie potential, i.e., phi(r)=1/(aq+rq)m/q, are also derived. PMID- 29221385 TI - Transient anion spectra of the potential radiosensitizers 5-cyanateuracil and 5 thiocyanateuracil. AB - We report on the low energy anion spectra of 5-cyanateuracil (5-OCNU) and 5 thiocyanateouracil (5-SCNU), which have been the suggested potential radiosensitizers for use in cancer therapy [L. Chomicz et al., J. Phys. Chem. Lett. 4, 2853-2857 (2013)]. Employing bound state and scattering calculations, we obtained, for both molecules, a dipole bound state, a pi* valence bound state, and four pi* resonances, besides a sigmaSCN* resonance for 5-SCNU. The cyanate and thiocyanate substituents give rise to additional long-lived pi* resonances, compared to 5-halouracil radiosensitizers. From the reaction thresholds and the expected vibronic couplings among the anion states, efficient production of SCN and CN anions and radical fragments should be observed in dissociative electron attachment measurements for 5-SCNU. The corresponding dissociation processes in 5 OCNU are expected to be less effective in view of the lack of a long-lived sigmaOCN* shape resonance and the little sigma* admixture into the pi* resonances located on the cyanate group. The present results thus indicate 5-SCNU as a more promising radiosensitizer at sub-excitation energies. PMID- 29221386 TI - Finite temperature dynamics of a Holstein polaron: The thermo-field dynamics approach. AB - Combining the multiple Davydov D2 Ansatz with the method of thermo-field dynamics, we study finite temperature dynamics of a Holstein polaron on a lattice. It has been demonstrated, using the hierarchy equations of motion method as a benchmark, that our approach provides an efficient, robust description of finite temperature dynamics of the Holstein polaron in the simultaneous presence of diagonal and off-diagonal exciton-phonon coupling. The method of thermo-field dynamics handles temperature effects in the Hilbert space with key numerical advantages over other treatments of finite-temperature dynamics based on quantum master equations in the Liouville space or wave function propagation with Monte Carlo importance sampling. While for weak to moderate diagonal coupling temperature increases inhibit polaron mobility, it is found that off-diagonal coupling induces phonon-assisted transport that dominates at high temperatures. Results on the mean square displacements show that band-like transport features dominate the diagonal coupling cases, and there exists a crossover from band-like to hopping transport with increasing temperature when including off-diagonal coupling. As a proof of concept, our theory provides a unified treatment of coherent and incoherent transport in molecular crystals and is applicable to any temperature. PMID- 29221387 TI - Two-body perturbation theory versus first order perturbation theory: A comparison based on the square-well fluid. AB - We show that the Zwanzig first-order perturbation theory can be obtained directly from a truncated Taylor series expansion of a two-body perturbation theory and that such truncation provides a more accurate prediction of thermodynamic properties than the full two-body perturbation theory. This unexpected result is explained by the quality of the resulting approximation for the fluid radial distribution function. We prove that the first-order and the two-body perturbation theories are based on different approximations for the fluid radial distribution function. To illustrate the calculations, the square-well fluid is adopted. We develop an analytical expression for the two-body perturbed Helmholtz free energy for the square-well fluid. The equation of state obtained using such an expression is compared to the equation of state obtained from the first-order approximation. The vapor-liquid coexistence curve and the supercritical compressibility factor of a square-well fluid are calculated using both equations of state and compared to Monte Carlo simulation data. Finally, we show that the approximation for the fluid radial distribution function given by the first-order perturbation theory provides closer values to the ones calculated via Monte Carlo simulations. This explains why such theory gives a better description of the fluid thermodynamic behavior. PMID- 29221388 TI - Guided ion beam and theoretical studies of the bond energy of SmS. AB - Previous work has shown that atomic samarium cations react with carbonyl sulfide to form SmS+ + CO in an exothermic and barrierless process. To characterize this reaction further, the bond energy of SmS+ is determined in the present study using guided ion beam tandem mass spectrometry. Reactions of SmS+ with Xe, CO, and O2 are examined. Results for collision-induced dissociation processes with all three molecules along with the endothermicity of the SmS+ + CO -> Sm+ + COS exchange reaction are combined to yield D0(Sm+-S) = 3.37 +/- 0.20 eV. The CO and O2 reactions also yield a SmSO+ product, with measured endothermicities that indicate D0(SSm+-O) = 3.73 +/- 0.16 eV and D0(OSm+-S) = 1.38 +/- 0.27 eV. The SmS+ bond energy is compared with theoretical values characterized at several levels of theory, including CCSD(T) complete basis set extrapolations using all electron basis sets. Multireference configuration interaction calculations with explicit spin-orbit calculations along with composite thermochemistry using the Feller-Peterson-Dixon method and all-electron basis sets were also explored for SmS+, and for comparison, SmO, SmO+, and EuO. PMID- 29221389 TI - Nuclear spin/parity dependent spectroscopy and predissociation dynamics in vOH = 2 <- 0 overtone excited Ne-H2O clusters: Theory and experiment. AB - Vibrationally state selective overtone spectroscopy and state- and nuclear spin dependent predissociation dynamics of weakly bound ortho- and para-Ne-H2O complexes (D0(ortho) = 34.66 cm-1 and D0(para) = 31.67 cm-1) are reported, based on near-infrared excitation of van der Waals cluster bands correlating with vOH = 2 <- 0 overtone transitions (|02-> and |02+>) out of the ortho (101) and para (000) internal rotor states of the H2O moiety. Quantum theoretical calculations for nuclear motion on a high level potential energy surface [CCSD(T)/VnZf12 (n = 3, 4)], corrected for basis set superposition error and extrapolated to the complete basis set (CBS) limit, are employed to successfully predict and assign Pi-Sigma, Sigma-Sigma, and Sigma-Pi infrared bands in the spectra, where Sigma or Pi represent approximate projections of the body-fixed H2O angular momentum along the Ne-H2O internuclear axis. IR-UV pump-probe experimental capabilities permit real-time measurements of the vibrational predissociation dynamics, which indicate facile intramolecular vibrational energy transfer from the H2O vOH = 2 overtone vibrations into the VdWs (van der Waals) dissociation coordinate on the tauprediss = 15-25 ns time scale. Whereas all predicted strong transitions in the ortho-Ne-H2O complexes are readily detected and assigned, vibrationally mediated photolysis spectra for the corresponding para-Ne-H2O bands are surprisingly absent despite ab initio predictions of Q-branch intensities with S/N > 20-40. Such behavior signals the presence of highly selective nuclear spin ortho-para predissociation dynamics in the upper state, for which we offer a simple mechanism based on Ne-atom mediated intramolecular vibrational relaxation in the H2O subunit (i.e., |02+/-> -> {|01+/->; v2 = 2}), which is confirmed by the ab initio energy level predictions and the nascent OH rotational (N), spin orbit (Pi1/2,3/2), and lambda doublet product distributions. PMID- 29221390 TI - sigma-SCF: A direct energy-targeting method to mean-field excited states. AB - The mean-field solutions of electronic excited states are much less accessible than ground state (e.g., Hartree-Fock) solutions. Energy-based optimization methods for excited states, like Delta-SCF (self-consistent field), tend to fall into the lowest solution consistent with a given symmetry-a problem known as "variational collapse." In this work, we combine the ideas of direct energy targeting and variance-based optimization in order to describe excited states at the mean-field level. The resulting method, sigma-SCF, has several advantages. First, it allows one to target any desired excited state by specifying a single parameter: a guess of the energy of that state. It can therefore, in principle, find all excited states. Second, it avoids variational collapse by using a variance-based, unconstrained local minimization. As a consequence, all states ground or excited-are treated on an equal footing. Third, it provides an alternate approach to locate Delta-SCF solutions that are otherwise hardly accessible by the usual non-aufbau configuration initial guess. We present results for this new method for small atoms (He, Be) and molecules (H2, HF). We find that sigma-SCF is very effective at locating excited states, including individual, high energy excitations within a dense manifold of excited states. Like all single determinant methods, sigma-SCF shows prominent spin-symmetry breaking for open shell states and our results suggest that this method could be further improved with spin projection. PMID- 29221391 TI - Quantum interference in multi-branched molecules: The exact transfer matrix solutions. AB - We present a transfer matrix formalism for studying quantum interference in a single molecule electronic system with internal branched structures. Based on the Schrodinger equation with the Bethe ansatz and employing Kirchhoff's rule for quantum wires, we derive a general closed-form expression for the transmission and reflection amplitudes of a two-port quantum network. We show that the transport through a molecule with complex internal structures can be reduced to that of a single two-port scattering unit, which contains all the information of the original composite molecule. Our method allows for the calculation of the transmission coefficient for various types of individual molecular modules giving rise to different resonant transport behaviors such as the Breit-Wigner, Fano, and Mach-Zehnder resonances. As an illustration, we first re-derive the transmittance of the Aharonov-Bohm ring, and then we apply our formulation to N identical parity-time (PT)-symmetric potentials, connected in series as well as in parallel. It is shown that the spectral singularities and PT-symmetric transitions of single scattering cells may be observed in coupled systems. Such transitions may occur at the same or distinct values of the critical parameters, depending on the connection modes under which the scattering objects are coupled. PMID- 29221392 TI - Spectroscopic and theoretical studies on the structural, electronic, and optical properties of zinc octaethylporphyrin/C60 co-deposited films. AB - We have examined the structural, electronic, and optical properties of zinc octaethylporphyrin [Zn(OEP)]/C60 co-deposited films to elucidate the donor (D) acceptor (A) interactions at the D/A interface of heterojunction organic solar cells (OSCs), using Fourier-transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), ultraviolet-visible (UV-vis) spectroscopy, and photoluminescence (PL) spectroscopy in combination with first-principles and semi empirical calculations. The FT-IR and XRD results indicated that Zn(OEP) and C60 were mixed with each other at the molecular level in the co-deposited film. The theoretical calculations suggested that in the interfacial region, it is energetically preferable for the C60 molecule to face the center of the planar structure of Zn(OEP) at a distance of 2.8 A rather than the edge of the structure at a distance of 5.0 A. After consideration of the C60 solvent effects, this coordination model for C60-Zn(OEP) adequately explained the line shift of the UV vis peaks with respect to the proportion of C60 in the co-deposited films. A comparison of the energy level diagrams of Zn(OEP) before and after the interaction with C60 revealed that the LUMO, HOMO, and HOMO-1 were significantly affected by the interaction with C60. In particular, the HOMO-1 wave function became spread over a portion of C60, although the charge transfer between Zn(OEP) and C60 was almost negligible. Since no PL peaks (S1 -> S0) from the excited Soret band of Zn(OEP) were observed for the Zn(OEP)/C60 co-deposited films, the D/A mixing layers played a crucial role in completely dissolving the photogenerated excitons to electrons-hole pairs that cause the short-circuit current, which is relevant to improving the energy conversion efficiency of OSCs. PMID- 29221393 TI - Equation of state and Helmholtz free energy for the atomic system of the repulsive Lennard-Jones particles. AB - Simple and accurate expressions are presented for the equation of state (EOS) and absolute Helmholtz free energy of a system composed of simple atomic particles interacting through the repulsive Lennard-Jones potential model in the fluid and solid phases. The introduced EOS has 17 and 22 coefficients for fluid and solid phases, respectively, which are regressed to the Monte Carlo (MC) simulation data over the reduced temperature range of 0.6<=T*<=6.0 and the packing fraction range of 0.1 <= eta <= 0.72. The average absolute relative percent deviation in fitting the EOS parameters to the MC data is 0.06 and 0.14 for the fluid and solid phases, respectively. The thermodynamic integration method is used to calculate the free energy using the MC simulation results. The Helmholtz free energy of the ideal gas is employed as the reference state for the fluid phase. For the solid phase, the values of the free energy at the reduced density equivalent to the close-packed of a hard sphere are used as the reference state. To check the validity of the predicted values of the Helmholtz free energy, the Widom particle insertion method and the Einstein crystal technique of Frenkel and Ladd are employed. The results obtained from the MC simulation approaches are well agreed to the EOS results, which show that the proposed model can reliably be utilized in the framework of thermodynamic theories. PMID- 29221394 TI - Mesoscale simulations of confined Nafion thin films. AB - The morphology and transport properties of thin films of the ionomer Nafion, with thicknesses on the order of the bulk cluster size, have been investigated as a model system to explain the anomalous behaviour of catalyst/electrode-polymer interfaces in membrane electrode assemblies. We have employed dissipative particle dynamics (DPD) to investigate the interaction of water and fluorocarbon chains, with carbon and quartz as confining materials, for a wide range of operational water contents and film thicknesses. We found confinement-induced clustering of water perpendicular to the thin film. Hydrophobic carbon forms a water depletion zone near the film interface, whereas hydrophilic quartz results in a zone with excess water. There are, on average, oscillating water-rich and fluorocarbon-rich regions, in agreement with experimental results from neutron reflectometry. Water diffusivity shows increasing directional anisotropy of up to 30% with decreasing film thickness, depending on the hydrophilicity of the confining material. A percolation analysis revealed significant differences in water clustering and connectivity with the confining material. These findings indicate the fundamentally different nature of ionomer thin films, compared to membranes, and suggest explanations for increased ionic resistances observed in the catalyst layer. PMID- 29221395 TI - Reassigning the CaH+ 11Sigma -> 21Sigma vibronic transition with CaD. AB - We observe vibronic transitions in CaD+ between the 11Sigma and 21Sigma electronic states by resonance enhanced multiphoton photodissociation spectroscopy in a Coulomb crystal. The vibronic transitions are compared with previous measurements on CaH+. The result is a revised assignment of the CaH+ vibronic levels and a disagreement with multi-state-complete-active-space second order perturbation theory theoretical calculations by approximately 700 cm-1. Updated high-level coupled-cluster calculations that include core-valence correlations reduce the disagreement between theory and experiment to 300 cm-1. PMID- 29221396 TI - Perspective: Highly stable vapor-deposited glasses. AB - This article describes recent progress in understanding highly stable glasses prepared by physical vapor deposition and provides perspective on further research directions for the field. For a given molecule, vapor-deposited glasses can have higher density and lower enthalpy than any glass that can be prepared by the more traditional route of cooling a liquid, and such glasses also exhibit greatly enhanced kinetic stability. Because vapor-deposited glasses can approach the bottom of the amorphous part of the potential energy landscape, they provide insights into the properties expected for the "ideal glass." Connections between vapor-deposited glasses, liquid-cooled glasses, and deeply supercooled liquids are explored. The generality of stable glass formation for organic molecules is discussed along with the prospects for stable glasses of other types of materials. PMID- 29221397 TI - Effects of nanoparticle heating on the structure of a concentrated aqueous salt solution. AB - The effects of a rapidly heated nanoparticle on the structure of a concentrated aqueous salt solution are studied using molecular dynamics simulations. A diamond like nanoparticle of radius 20 A is immersed in a sodium-chloride solution at 20% above the experimental saturation concentration and equilibrated at T = 293 K and P = 1 atm. The nanoparticle is then rapidly heated to several thousand degrees Kelvin, and the system is held under isobaric-isoenthalpic conditions. It is observed that after 2-3 ns, the salt ions are depleted far more than water molecules from a proximal zone 15-25 A from the nanoparticle surface. This leads to a transient reduction in molality in the proximal zone and an increase in ion clustering in the distal zone. At longer times, ions begin to diffuse back into the proximal zone. It is speculated that the formation of proximal and distal zones, and the increase in ion clustering, plays a role in the mechanism of nonphotochemical laser-induced nucleation. PMID- 29221398 TI - A multiscale transport model for non-classical nanochannel electroosmosis. AB - We present a multiscale model describing the electroosmotic flow (EOF) in nanoscale channels involving high surface charge liquid-solid interfaces. The departure of the EOF velocity profiles from classical predictions is explained by the non-classical charge distribution in the confined direction including charge inversion, reduced mobility of interfacial counter-ions, and subsequent enhancement of the local viscosity. The excess component of the local solvent viscosity is modeled by the local application of the Fuoss-Onsager theory and the Hubbard-Onsager electro-hydrodynamic equation based dielectric friction theory. The electroosmotic slip velocity is estimated from the interfacial friction coefficient, which in turn is calculated using a generalized Langevin equation based dynamical framework. The proposed model for local viscosity enhancement and EOF velocity shows good agreement of corresponding physical quantities against relevant molecular dynamics simulation results, including the cases of anomalous transport such as EOF reversal. PMID- 29221399 TI - Long-range coupling between ATP-binding and lever-arm regions in myosin via dielectric allostery. AB - A protein molecule is a dielectric substance, so the binding of a ligand is expected to induce dielectric response in the protein molecule, considering that ligands are charged or polar in general. We previously reported that binding of adenosine triphosphate (ATP) to molecular motor myosin actually induces such a dielectric response in myosin due to the net negative charge of ATP. By this dielectric response, referred to as "dielectric allostery," spatially separated two regions in myosin, the ATP-binding region and the actin-binding region, are allosterically coupled. In this study, from the statistically stringent analyses of the extensive molecular dynamics simulation data obtained in the ATP-free and the ATP-bound states, we show that there exists the dielectric allostery that transmits the signal of ATP binding toward the distant lever-arm region. The ATP binding-induced electrostatic potential change observed on the surface of the main domain induced a movement of the converter subdomain from which the lever arm extends. The dielectric response was found to be caused by an underlying large-scale concerted rearrangement of the electrostatic bond network, in which highly conserved charged/polar residues are involved. Our study suggests the importance of the dielectric property for molecular machines in exerting their function. PMID- 29221400 TI - A long-range ordered array of copper tetrameric units embedded in an on-surface metal organic framework. AB - We report on the assembly of a highly ordered array of copper tetrameric clusters, coordinated into a metal-organic network. The ordered cluster array has been achieved by the deposition of tetrahydroxyquinone molecules on the Cu(111) surface at room temperature, and subsequent thermally activated dehydrogenation with the formation of tetraoxyquinone tetra-anions with a 4 * 4 periodicity. The supramolecular organic network acts as a spacer for the highly ordered two dimensional network of copper tetramers at the very surface. PMID- 29221401 TI - Analytical energy gradients for explicitly correlated wave functions. I. Explicitly correlated second-order Moller-Plesset perturbation theory. AB - We present the theory and algorithms for computing analytical energy gradients for explicitly correlated second-order Moller-Plesset perturbation theory (MP2 F12). The main difficulty in F12 gradient theory arises from the large number of two-electron integrals for which effective two-body density matrices and integral derivatives need to be calculated. For efficiency, the density fitting approximation is used for evaluating all two-electron integrals and their derivatives. The accuracies of various previously proposed MP2-F12 approximations [3C, 3C(HY1), 3*C(HY1), and 3*A] are demonstrated by computing equilibrium geometries for a set of molecules containing first- and second-row elements, using double-zeta to quintuple-zeta basis sets. Generally, the convergence of the bond lengths and angles with respect to the basis set size is strongly improved by the F12 treatment, and augmented triple-zeta basis sets are sufficient to closely approach the basis set limit. The results obtained with the different approximations differ only very slightly. This paper is the first step towards analytical gradients for coupled-cluster singles and doubles with perturbative treatment of triple excitations, which will be presented in the second part of this series. PMID- 29221402 TI - Transition path time distributions. AB - Biomolecular folding, at least in simple systems, can be described as a two state transition in a free energy landscape with two deep wells separated by a high barrier. Transition paths are the short part of the trajectories that cross the barrier. Average transition path times and, recently, their full probability distribution have been measured for several biomolecular systems, e.g., in the folding of nucleic acids or proteins. Motivated by these experiments, we have calculated the full transition path time distribution for a single stochastic particle crossing a parabolic barrier, including inertial terms which were neglected in previous studies. These terms influence the short time scale dynamics of a stochastic system and can be of experimental relevance in view of the short duration of transition paths. We derive the full transition path time distribution as well as the average transition path times and discuss the similarities and differences with the high friction limit. PMID- 29221403 TI - A molecular Debye-Huckel theory of solvation in polar fluids: An extension of the Born model. AB - A dielectric response theory of solvation beyond the conventional Born model for polar fluids is presented. The dielectric response of a polar fluid is described by a Born response mode and a linear combination of Debye-Huckel-like response modes that capture the nonlocal response of polar fluids. The Born mode is characterized by a bulk dielectric constant, while a Debye-Huckel mode is characterized by its corresponding Debye screening length. Both the bulk dielectric constant and the Debye screening lengths are determined from the bulk dielectric function of the polar fluid. The linear combination coefficients of the response modes are evaluated in a self-consistent way and can be used to evaluate the electrostatic contribution to the thermodynamic properties of a polar fluid. Our theory is applied to a dipolar hard sphere fluid as well as interaction site models of polar fluids such as water, where the electrostatic contribution to their thermodynamic properties can be obtained accurately. PMID- 29221404 TI - Ab initio simulations of bond breaking in sulfur crosslinked isoprene oligomer units. AB - Sulfur crosslinked polyisoprene (rubber) is used in important material components for a number of technical tasks (e.g., in tires and sealings). If mechanical stress, like tension or shear, is applied on these material components, the sulfur crosslinks suffer from homolytic bond breaking. In this work, we have simulated the bond breaking mechanism of sulfur crosslinks between polyisoprene chains using Car-Parrinello molecular dynamic simulations and investigated the maximum forces which can be resisted by the crosslinks. Small model systems with crosslinks formed by chains of N = 1 to N = 6 sulfur atoms have been simulated with the slow growth-technique, known from the literature. The maximum force can be thereby determined from the calculated energies as a function of strain (elongation). The stability of the crosslink under strain is quantified in terms of the maximum force that can be resisted by the system before the crosslink breaks. As shown by our simulations, this maximum force decreases with the sulfur crosslink length N in a step like manner. Our findings indicate that in bridges with N = 1, 2, and 3 sulfur atoms predominantly, carbon-sulfur bonds break, while in crosslinks with N > 3, the breaking of a sulfur-sulfur bond is the dominant failure mechanism. The results are explained within a simple chemical bond model, which describes how the delocalization of the electrons in the generated radicals can lower their electronic energy and decrease the activation barriers. It is described which of the double bonds in the isoprene units are involved in the mechanochemistry of crosslinked rubber. PMID- 29221405 TI - On the non-stationary generalized Langevin equation. AB - In molecular dynamics simulations and single molecule experiments, observables are usually measured along dynamic trajectories and then averaged over an ensemble ("bundle") of trajectories. Under stationary conditions, the time evolution of such averages is described by the generalized Langevin equation. By contrast, if the dynamics is not stationary, it is not a priori clear which form the equation of motion for an averaged observable has. We employ the formalism of time-dependent projection operator techniques to derive the equation of motion for a non-equilibrium trajectory-averaged observable as well as for its non stationary auto-correlation function. The equation is similar in structure to the generalized Langevin equation but exhibits a time-dependent memory kernel as well as a fluctuating force that implicitly depends on the initial conditions of the process. We also derive a relation between this memory kernel and the autocorrelation function of the fluctuating force that has a structure similar to a fluctuation-dissipation relation. In addition, we show how the choice of the projection operator allows us to relate the Taylor expansion of the memory kernel to data that are accessible in MD simulations and experiments, thus allowing us to construct the equation of motion. As a numerical example, the procedure is applied to Brownian motion initialized in non-equilibrium conditions and is shown to be consistent with direct measurements from simulations. PMID- 29221406 TI - Atomistic simulations of the equation of state and hybridization of liquid carbon at a temperature of 6000 K in the pressure range of 1-25 GPa. AB - The equation of state and the structure of liquid carbon are studied by molecular simulation. Both classical and quantum molecular dynamics (QMD) are used to calculate the equation of state and the distribution of chemical bonds at 6000 K in the pressure range 1-25 GPa. Our calculations and results of other authors show that liquid carbon has a fairly low density on the order of 1.2-1.35 g/cm3 at pressures about 1 GPa. Owing to the coordination number analysis, this fact can be attributed to the high content of sp1-bonded atoms (more than 50% according to our ab initio computations). Six empirical potentials have been tested in order to describe the density dependence of pressure and structure at 6000 K. As a result, only one potential, ReaxFF/lg, was able to reproduce the QMD simulations for both the equation of state and the fraction of sp1, sp2, sp3 bonded atoms. PMID- 29221407 TI - Communication: Self-assembly of a model supramolecular polymer studied by replica exchange with solute tempering. AB - Conventional molecular-dynamics (cMD) simulation has a well-known limitation in accessible time and length scales, and thus various enhanced sampling techniques have been proposed to alleviate the problem. In this paper, we explore the utility of replica exchange with solute tempering (REST) (i.e., a variant of Hamiltonian replica exchange methods) to simulate the self-assembly of a supramolecular polymer in explicit solvent and compare the performance with temperature-based replica exchange MD (T-REMD) as well as cMD. As a test system, we consider a relatively simple all-atom model of supramolecular polymerization (namely, benzene-1,3,5-tricarboxamides in methylcyclohexane solvent). Our results show that both REST and T-REMD are able to predict highly ordered polymer structures with helical H-bonding patterns, in contrast to cMD which completely fails to obtain such a structure for the present model. At the same time, we have also experienced some technical challenge (i.e., aggregation-dispersion transition and the resulting bottleneck for replica traversal), which is illustrated numerically. Since the computational cost of REST scales more moderately than T-REMD, we expect that REST will be useful for studying the self assembly of larger systems in solution with enhanced rearrangement of monomers. PMID- 29221409 TI - The gas phase structure of alpha-pinene, a main biogenic volatile organic compound. AB - The gas phase structure of the bicyclic atmospheric aerosol precursor alpha pinene was investigated employing a combination of quantum chemical calculation and Fourier transform microwave spectroscopy coupled to a supersonic jet expansion. The very weak rotational spectra of the parent species and all singly substituted 13C in natural abundance have been identified, from 2 to 20 GHz, and fitted to Watson's Hamiltonian model. The rotational constants were used together with geometrical parameters from density functional theory and ab initio calculations to determine the rs, r0, and rm(1) structures of the skeleton, without any structural assumption in the fit concerning the heavy atoms. The double C=C bond was found to belong to a quasiplanar skeleton structure containing 6 carbon atoms. Comparison with solid phase structure is reported. The significant differences of alpha-pinene in gas phase and other gas phase bicyclic monoterpene structures (beta-pinene, nopinone, myrtenal, and bicyclo[3.1.1]heptane) are discussed. PMID- 29221408 TI - Exploring a multi-scale method for molecular simulation in continuum solvent model: Explicit simulation of continuum solvent as an incompressible fluid. AB - We explored a multi-scale algorithm for the Poisson-Boltzmann continuum solvent model for more robust simulations of biomolecules. In this method, the continuum solvent/solute interface is explicitly simulated with a numerical fluid dynamics procedure, which is tightly coupled to the solute molecular dynamics simulation. There are multiple benefits to adopt such a strategy as presented below. At this stage of the development, only nonelectrostatic interactions, i.e., van der Waals and hydrophobic interactions, are included in the algorithm to assess the quality of the solvent-solute interface generated by the new method. Nevertheless, numerical challenges exist in accurately interpolating the highly nonlinear van der Waals term when solving the finite-difference fluid dynamics equations. We were able to bypass the challenge rigorously by merging the van der Waals potential and pressure together when solving the fluid dynamics equations and by considering its contribution in the free-boundary condition analytically. The multi-scale simulation method was first validated by reproducing the solute solvent interface of a single atom with analytical solution. Next, we performed the relaxation simulation of a restrained symmetrical monomer and observed a symmetrical solvent interface at equilibrium with detailed surface features resembling those found on the solvent excluded surface. Four typical small molecular complexes were then tested, both volume and force balancing analyses showing that these simple complexes can reach equilibrium within the simulation time window. Finally, we studied the quality of the multi-scale solute-solvent interfaces for the four tested dimer complexes and found that they agree well with the boundaries as sampled in the explicit water simulations. PMID- 29221410 TI - Trapping and escape in a turbid medium. AB - We investigate the absorption of diffusing molecules in a fluid-filled spherical beaker that contains many small reactive traps. The molecules are absorbed either by hitting a trap or by escaping via the beaker walls. In the physical situation where the number N of traps is large and their radii a are small compared to the beaker radius R, the fraction of molecules E that escape to the beaker wall and the complementary fraction T that eventually are absorbed by the traps depend only on the dimensionless parameter combination lambda = Na/R. We compute E and T as a function of lambda for a spherical beaker and for beakers of other three dimensional shapes. The asymptotic behavior is found to be universal: 1 - E ~ lambda for lambda -> 0 and E ~ lambda-1/2 for lambda -> infinity. PMID- 29221411 TI - Augmented potential, energy densities, and virial relations in the weak- and strong-interaction limits of DFT. AB - The augmented potential introduced by Levy and Zahariev [Phys. Rev. Lett. 113, 113002 (2014)] is shifted with respect to the standard exchange-correlation potential of the Kohn-Sham density functional theory by a density-dependent constant that makes the total energy become equal to the sum of the occupied orbital energies. In this work, we analyze several features of this approach, focusing on the limit of infinite coupling strength and studying the shift and the corresponding energy density at different correlation regimes. We present and discuss coordinate scaling properties of the augmented potential, study its connection to the response potential, and use the shift to analyze the classical jellium and uniform gas models. We also study other definitions of the energy densities in relation to the functional construction by local interpolations along the adiabatic connection. Our findings indicate that the energy density that is defined in terms of the electrostatic potential of the exchange correlation hole is particularly well suited for this purpose. PMID- 29221412 TI - Scaling behavior of knotted random polygons and self-avoiding polygons: Topological swelling with enhanced exponent. AB - We show that the average size of self-avoiding polygons (SAPs) with a fixed knot is much larger than that of no topological constraint if the excluded volume is small and the number of segments is large. We call it topological swelling. We argue an "enhancement" of the scaling exponent for random polygons with a fixed knot. We study them systematically through SAP consisting of hard cylindrical segments with various different values of the radius of segments. Here we mean by the average size the mean-square radius of gyration. Furthermore, we show numerically that the topological balance length of a composite knot is given by the sum of those of all constituent prime knots. Here we define the topological balance length of a knot by such a number of segments that topological entropic repulsions are balanced with the knot complexity in the average size. The additivity suggests the local knot picture. PMID- 29221413 TI - Heterogeneous nucleation on rough surfaces: Generalized Gibbs' approach. AB - Heterogeneous nucleation (condensation) of liquid droplets from vapor (gas) on a defective solid surface is considered. The vapor is described by the van der Waals equation of state. The dependence of nucleating droplet parameters on droplet size is accounted for within the generalized Gibbs approach. As a surface defect, a conic void is taken. This choice allows us to simplify the analysis and at the same time to follow the main aspects of the influence of the surface roughness on the nucleation process. Similar to condensation on ideal planar surfaces, the contact angle and catalytic factor for heterogeneous nucleation on a rough surface depend on the degree of vapor overcooling. In the case of droplet formation on a hydrophilic surface of a conic void, the nucleation rate considerably increases in comparison with the condensation on a planar interface. In fact, the presence of a defect on the hydrophilic surface leads to a considerable shift of the spinodal towards lower supersaturation in comparison with heterogeneous nucleation on a planar interface. With the decrease in the void cone angle, the heterogeneous spinodal approaches the binodal, and the region of metastability is diminished at the expense of the instability region. PMID- 29221414 TI - Orientation dependence of the work function for metal nanocrystals. AB - Work function values measured at different surfaces of a metal are usually different. This raises an interesting question: What is the work function of a nano-size crystal, where differently oriented facets can be adjacent? Work functions of metallic nanocrystals are also of significant practical interest, especially in catalytic applications. Using real space pseudopotentials constructed within density functional theory, we compute the local work function of large aluminum and gold nanocrystals. We investigate how the local work function follows the change of the surface plane orientation around multifaceted nanocrystals, and we establish the importance of the orbital character near the Fermi level in determining work function differences between facets. PMID- 29221415 TI - Water-water correlations in electrolyte solutions probed by hyper-Rayleigh scattering. AB - Long-range ion-induced correlations between water molecules have been observed by second-harmonic or hyper-Rayleigh scattering experiments with conflicting results. The most recent work observed a large difference between the results for H2O and D2O, and large discrepancies with the previously proposed theory. However, the present observations are in quantitative agreement with the model where the ion electric field induces second harmonic generation by the water molecules, and ion-ion correlations given by the Debye-Huckel theory account for intensity saturation at high ion concentration. This work compares experimental results with theory and addresses the apparent discrepancies with previous experiments. PMID- 29221416 TI - Identification of a new low energy 1u state in dicopper with resonant four-wave mixing. AB - The low energy electronic structure of the copper dimer has been re-investigated using non-linear four-wave mixing spectroscopy and high level ab initio calculations. In addition to the measurement of the previously reported A, B, and C electronic states, a new state denoted A' is identified with T0 = 20 100.4090(16) cm-1 (63Cu2). Rotational analysis of the A'-X (0,0) and (1,0) transitions leads to the assignment of A' 1u. Ab initio calculations present the first theoretical description of the low energy states of the copper dimer in Hund's case (c) and confirm the experimental assignment. The discovery of this new low energy excited state emphasizes that spin-orbit coupling is significant in states with d-hole electronic configurations and resolves a decades-long mystery in the initial assignment of the A state. PMID- 29221418 TI - Optimizing the formation of colloidal compounds with components of different shapes. AB - By introducing favorable inter-species interactions, stoichiometric compound phases (C*), akin to intermetallic alloys, can be formed by binary mixtures of nanoparticle components of different shapes. The stability of such C* phases is expected to be affected by asymmetries in both the energetics of like vs. unlike species contacts, and the packing entropy of components, as captured by their shapes and relative sizes. Using Monte Carlo simulations, we explore the effect of changes in size ratio (for fixed contact energy) and in binding energy (for fixed size ratio) in the stability of the CsCl compound phase for equimolar mixtures of octahedra and spheres and of the NaCl compound for equimolar mixtures of cubes and spheres. As a general design rule, it is proposed that enhanced compound stability is associated with inter-species interactions that minimize the free-energy of the C* phase at coexistence with the (disordered) phase that is stable at lower concentrations. For the systems studied, this rule identifies optimal relative particle sizes and inter-species binding energies that are consistent with physically grounded expectations. PMID- 29221417 TI - L-edge spectroscopy of dilute, radiation-sensitive systems using a transition edge-sensor array. AB - We present X-ray absorption spectroscopy and resonant inelastic X-ray scattering (RIXS) measurements on the iron L-edge of 0.5 mM aqueous ferricyanide. These measurements demonstrate the ability of high-throughput transition-edge-sensor (TES) spectrometers to access the rich soft X-ray (100-2000 eV) spectroscopy regime for dilute and radiation-sensitive samples. Our low-concentration data are in agreement with high-concentration measurements recorded by grating spectrometers. These results show that soft-X-ray RIXS spectroscopy acquired by high-throughput TES spectrometers can be used to study the local electronic structure of dilute metal-centered complexes relevant to biology, chemistry, and catalysis. In particular, TES spectrometers have a unique ability to characterize frozen solutions of radiation- and temperature-sensitive samples. PMID- 29221419 TI - Ionic solvation and solvent-solvent interaction effects on the charge and potential distributions in electric double layers. AB - Electric double layers are complex systems that involve a wide variety of interactions between the different components of the electrolyte solutions and with the charged interface. While the role of all Coulombic types of interactions is clear, that of the non-Coulombic forces is less obvious. The focus in the present study is on the effect of bulk solvation interactions on the properties of the electric double layer. The analysis is based on classical density functional theory. This approach allows us to account for the correlations between all charged (ionic) and uncharged (solvent) species in the solution. The surface charge at the boundary of the electric double layer is derived from the surface chemistry pertinent to the system. The surface is sensitive to the concentration of potential determining ions, which in turn depends on the correlations and activities of all remaining components. The analysis shows that the solvation forces have a profound effect on the charge and potential distributions in an electric double layer. This is true not just for the solvation of the potential determining ions, but for all species. Even varying the solvent-solvent interaction has a significant impact on the charge and potential distributions in the electric double layer. PMID- 29221420 TI - Influence of solvent polarization and non-uniform ion size on electrostatic properties between charged surfaces in an electrolyte solution. AB - In this paper, we study electrostatic properties between two similar or oppositely charged surfaces immersed in an electrolyte solution by using the mean field approach accounting for solvent polarization and non-uniform size effects. Applying a free energy formalism accounting for unequal ion sizes and orientational ordering of water dipoles, we derive coupled and self-consistent equations to calculate electrostatic properties between charged surfaces. Electrostatic properties for similarly charged surfaces depend on the counterion size but not on the coion size. Moreover, electrostatic potential and osmotic pressure between similarly charged surfaces are found to be increased with increasing counterion size. On the other hand, the corresponding ones between oppositely charged surfaces are related to both sizes of positive and negative ions. For oppositely charged surfaces, the electrostatic potential, number density of solvent molecules, and relative permittivity of an electrolyte having unequal ion sizes are not symmetric about the centerline between the charged surfaces. For either case, the consideration of solvent polarization results in a decrease in the electrostatic potential and the osmotic pressure compared to the case without the effect. PMID- 29221421 TI - A Qualitative Study of Latino Grandparents' Involvement in and Support for Grandchildren's Leisure Time Physical Activity. AB - BACKGROUND: Latino grandparents are often involved in rearing of grandchildren. However, their roles in promoting Latino children's leisure time physical activity (LTPA) have been largely overlooked by researchers. AIM: The purpose of this study is to examine Latino grandparents' involvement in and support for grandchildren's (age 2-12) LTPA as well as issues facing Latino grandparents. METHOD: Participants included 53 Latino grandparents who lived with/cared for or used to live with/care for grandchildren of 2 to 12 years old in three low-income areas of Los Angeles County. Data were collected using 4 semistructured focus groups and 26 semistructured interviews. Transcribed data were systematically and iteratively coded and analyzed. RESULTS: Latino grandparents perceived various benefits of physical activity to their grandchildren's physical and mental health, and supported grandchildren's LTPA directly and indirectly. The direct support included doing physical activity with grandchildren, taking grandchildren to places for physical activities, verbally asking grandchildren to do physical activities, and rewarding grandchildren for doing physical activities. The indirect support was made through providing suggestions to parents. Mothers usually regulated Latino grandparents' involvement in or support for grandchildren's LTPA and tended to promote a maternal lineage. Some Latino grandparents reported barriers to supporting grandchildren's LTPA, including lack of information, access to affordable and safe LTPA facilities/programs, transportation, money, and time. CONCLUSIONS: Latino grandparents are advocates for grandchildren's LTPA and support grandchildren's LTPA directly and indirectly. It may be promising to develop interventions to increase Latino grandparents' competency in supporting grandchildren's LTPA. PMID- 29221423 TI - Assess, Identify, Make it Happen (AIM) for Preschools: A Tool to Decrease Early Childhood Obesity. AB - Early childhood obesity is at epidemic proportions and is a major risk factor for the development of chronic diseases in adulthood. Since the majority of preschoolers are placed in center-based care, best practice policy, system, and environment (PSE) changes in early child care settings plays an important role in defining early development of obesogenic behaviors. However, implementation of best practice PSE changes is often a challenge in low resource settings due to staff turnover, time constraints, cultural beliefs, and lack of health-related knowledge. Assess, Identify, Make it Happen for Preschools (AIM-P) is a strategic planning process that was used with wellness teams in early child care centers to implement PSE changes that support adoption of health behaviors. AIM-P uses key change-making strategies based on intervention mapping including assets and needs assessments, prioritization of changes based on importance and feasibility, development of action steps and action plans, and identification of dissemination and sustainability plans. The AIM-P process resulted in implementation of 6.5 best practice PSE changes per site. Qualitative findings highlight lessons learned and the facilitators and barriers associated with using AIM-P to implement PSEs. PMID- 29221422 TI - Total flavones of Abelmoschus manihot improve diabetic nephropathy by inhibiting the iRhom2/TACE signalling pathway activity in rats. AB - CONTEXT: Total flavones extracted from Abelmoschus manihot L. (Malvaceae) medic (TFA) have been proven clinically effective at improving renal inflammation and glomerular injury in chronic kidney disease (CKD). OBJECTIVE: This study evaluated the function of TFA as an inhibitor of iRhom2/TACE (tumour necrosis factor-alpha converting enzyme) signalling and investigated its anti-DN (diabetic nephropathy) effects in a DN rat model. MATERIALS AND METHODS: In vitro, cells were treated with 200 MUg/mL advanced glycation end products (AGEs), and then co cultured with 20 MUg/mL TFA for 24 h. Real time PCR, western blotting and co immunoprecipitation assays were performed. In vivo, DN was induced in 8 week old male Sprague-Dawley rats via unilateral nephrectomy and intraperitoneal injection of streptozotocin, then TFA were administered to rats by gavage for 12 weeks at three different doses (300, 135 and 75 mg/kg/d). 4-Phenylbutanoic acid (2.5 mg/kg/d) was used as a positive control. RESULTS: IC50 of TFA is 35.6 MUM in HK2 and 39.6 MUM in HRMC. TFA treatment (20 MUM) inhibited the activation of iRhom2/TACE signalling in cultured cells induced by AGEs. LD50>26 g/kg and ED50=67 mg/kg of TFA in rat by gavage, TFA dose-dependently downregulated the expression of proinflammatory cytokines and exerted anti-inflammatory effects significantly though inhibiting the activation of iRhom2/TACE signalling. DISCUSSION AND CONCLUSIONS: Our results show that TFA could dose-dependently ameliorate renal inflammation by inhibiting the activation of iRhom2/TACE signalling and attenuating ER stress. These results suggest that TFA has potential therapeutic value for the treatment of DN in humans. PMID- 29221424 TI - Effects of dehydroepiandrosterone supplementation on mice with diminished ovarian reserve. AB - Dehydroepiandrosterone (DHEA) has been used to improve the pregnancy rate in women with diminished ovarian reserve(DOR) during in vitro fertilization. We aimed to validate the effects of DHEA and identify the possible mechanisms. We constructed a mice model with DOR and analyzed the hormone parameters and follicle counts. In vivo experiment, FSH and LH concentrations in the serum were significantly elevated in the DOR group. However, the FSH and LH concentrations were partially reversed in the DOR + DHEA group. The E2, AMH and INHB were down regulated in the DOR group and reversed in the DOR + DHEA group. Our study supported evidences that DHEA might modulate the hormone receptors in the ovary and hormone secretions to the peripheral circulation to regulate the ovary reserve functions. PMID- 29221425 TI - Riluzole does not improve lifespan or motor function in three ALS mouse models. AB - BACKGROUND: Riluzole is the most widespread therapeutic for treatment of the progressive degenerative disease amyotrophic lateral sclerosis (ALS). Riluzole gained FDA approval in 1995 before the development of ALS mouse models. We assessed riluzole in three transgenic ALS mouse models: the SOD1G93A model, the TDP-43A315T model, and the recently developed FUS (1-359) model. METHODS: Age, sex and litter-matched mice were treated with riluzole (22 mg/kg) in drinking water or vehicle (DMSO) from symptom onset. Lifespan was assessed and motor function tests were carried out twice weekly to determine whether riluzole slowed disease progression. RESULTS: Riluzole treatment had no significant benefit on lifespan in any of the ALS mouse models tested. Riluzole had no significant impact on decline in motor performance in the FUS (1-359) and SOD1G93A transgenic mice as assessed by Rotarod and stride length analysis. CONCLUSIONS: Riluzole is widely prescribed for ALS patients despite questions surrounding its efficacy. Our data suggest that if riluzole was identified as a therapeutic candidate today it would not progress past pre-clinical assessment. This raises questions about the standards used in pre-clinical assessment of therapeutic candidates for the treatment of ALS. PMID- 29221426 TI - Enterogenous cyst of the small bowel mesentery: a case report and review of the literature. AB - INTRODUCTION: Enterogenous cysts are a very rare congenital abnormality that can be found anywhere within the gastrointestinal tract, most commonly in the small intestine. The incidence is approximately one in 4500-10,000 live births. Diagnosis can be suggested by ultrasound (US), computed tomography (CT) scans or magnetic resonance imaging (MRI) findings, although histological examination confirms the definitive diagnosis. PATIENTS: We present a case of enterogenous cyst in an adult female who underwent a resection of the tumour. RESULTS: After two years of observation, there is no evidence of tumour recurrence. PMID- 29221427 TI - Validity of the Dutch modified painDETECT questionnaire for patients with hip or knee osteoarthritis. AB - BACKGROUND: The modified painDETECT questionnaire (PDQ) is a self-reported questionnaire to discriminate between nociceptive and neuropathic-like pain in patients with knee/hip osteoarthritis (OA). This study aims to assess the structural and construct validity of this questionnaire. METHODS: Confirmatory factor analysis and hypothesis-testing was used. For 168 patients, predefined hypotheses were formulated on the correlation between the modified painDETECT and several other questionnaires, and in a subsample of 46 with pain pressure thresholds (PPTs). RESULTS: Two principal components were confirmed. The pain pattern item did not load on any component. Eighty per cent of the hypotheses on the correlation between modified PDQ and the questionnaires were met, as were 50% concerning PPTs measurements. CONCLUSIONS: This study is the first to assess structural and construct validity of the modified PDQ knee/hip by using factor analysis and hypothesis-testing. This questionnaire seems to reflect neuropathic like pain symptoms experienced by hip/knee OA-patients with adequate validity. The item on pain pattern might not reflect the construct. More than 75% of the predefined hypotheses regarding the modified PDQ and the other questionnaires were met. Only 50% of the hypotheses on PPTs measurements were met, probably due to heterogeneity and limited size of this subsample. Implications for rehabilitation Pain in osteoarthritis (OA) is partly caused by modification of pain transmission in the peripheral and central nervous system, leading to sensitisation. This process seems particularly significant in a subgroup of OA patients. Sensitisation in OA is associated with more disability in daily life, lower quality of life and more widespread pain, as well as poorer outcome of total joint surgery. Screening for sensitisation can help to identify the subgroup of patients who could benefit from multidisciplinary treatment options focussing on desensitisation, cognitive- and behavioural therapy and reducing chronification of widespread pain. Therefore, being particularly important in the field of rehabilitation. The Dutch modified PainDETECT-questionnaire is very useful for rehabilitation professionals as it is one of the first questionnaires specifically validated to assess neuropathic-like symptoms (indicating sensitisation) in patients with knee or hip osteoarthritis. PMID- 29221428 TI - Interactions between stereotype threat, subjective aging, and memory in older adults. AB - This study examined whether the effects of stereotype threat on memory and subjective age were moderated by positive age stereotypes and self-perceptions of aging among older adults. Perceived threat as a mechanism underlying these effects was also explored. Results showed that stereotype threat (high vs. low threat) did not affect the dependent variables. Moreover, self-perceptions of aging did not moderate the effect of stereotype threat on the dependent variables. However, for people with more positive age stereotypes, older people under highthreat perceived more threat than people under low threat. This could be explained by an effect of age stereotypes in the high-threat group: the more positive age stereotypes held by participants, the more they perceived threat, which in turn decreased their memory performance and made them feel mentally older. We hypothesized that age group identity is stronger in people with more positive age stereotypes, which increase perceived threat. PMID- 29221429 TI - Measuring inter-leg difference to diagnose peripheral artery disease? PMID- 29221430 TI - The study of intravitreal drug pharmacokinetics: does it matter? and if so, how? PMID- 29221431 TI - The Role of Primary Care Providers in Encouraging Older Patients to Change Their Lifestyle Behaviors. AB - OBJECTIVES: This study sought to identify older patients' perceptions of primary care providers' influence on their likelihood of improving diet and physical activity. METHODS: 104 adults ages 65 and older were interviewed immediately following a routine primary care visit about their plans and motivations for behavior change and how their clinic visit would influence their likelihood of making lifestyle changes. All interviews were recorded, transcribed and analyzed using a constant comparison approach. RESULTS: Participants reported that their providers influence their health behaviors by developing strong relationships, addressing concerns and encouraging change, and providing concrete instruction. When providers did not discuss diet or physical activity, or mentioned these topics only briefly, participants often perceived the message that they should continue their current behaviors. CONCLUSIONS: Whether and how diet and physical activity are discussed in primary care influences the likelihood that older adults will make changes in these behaviors. CLINICAL IMPLICATIONS: These findings highlight the need for a patient-centered counseling approach and caution providers to think twice before omitting discussion of the need for lifestyle change. PMID- 29221432 TI - Sex and ethnic/racial-specific risk factors for gallbladder disease. AB - BACKGROUND: Gallbladder disease (GBD) is a highly prevalent condition; however, little is known about potential differences in risk factors by sex and ethnicity/race. Our aim was to evaluate dietary, reproductive and obesity-related factors and GBD in multiethnic populations. METHODS: We performed a prospective analysis from the Multiethnic Cohort study who self-identified as non-Hispanic White (n = 32,103), African American (n = 30,209), Japanese (n = 35,987), Native Hawaiian (n = 6942) and Latino (n = 39,168). GBD cases were identified using Medicare and California hospital discharge files (1993-2012) and self-completed questionnaires. We used exposure information on the baseline questionnaire to identify exposures of interest. Associations were estimated by hazard ratios and 95% confidence intervals using Cox models adjusted for confounders. RESULT: After a median 10.7 years of follow-up, there were 13,437 GBD cases. BMI over 25 kg/m2, diabetes, past and current smoking, red meat consumption, saturated fat and cholesterol were significant risk factors across ethnic/racial populations (p trends < 0.01). Protective factors included vigorous physical activity, alcohol use, fruits, vegetables and foods rich in dietary fiber (p-trends < 0.01). Carbohydrates were inversely associated with GBD risk only among women and Latinos born in South America/Mexico (p-trend < 0.003). Parity was a significant risk factor among women; post-menopausal hormones use was only associated with an increased risk among White women (estrogen-only: HR = 1.24; 95% CI = 1.07-1.43 and estrogen + progesterone: HR = 1.23; 95% CI = 1.06-1.42). CONCLUSION: Overall, dietary, reproductive and obesity-related factors are strong risk factors for GBD affecting men and women of different ethnicities/races; however some risk factors appear stronger in women and certain ethnic groups. PMID- 29221433 TI - Hyporesponsiveness of natural killer cells and impaired inflammatory responses in critically ill patients. AB - BACKGROUND: To investigate natural killer (NK) cell activity, circulating cytokine level and peripheral blood mononuclear cell (PBMC) cytokine production status in critically ill patients. METHODS: Blood samples were collected <24 h after admission from 24 intensive care unit (ICU) patients and 24 age-, sex-, and body mass index (BMI)-matched healthy controls. Serum cytokine concentrations and cytokine production by PBMCs and lipopolysaccharide (LPS)-stimulated PBMCs were measured. RESULTS: The ICU group showed lower NK cell activity than the controls under all conditions and an absence of interferon (IFN)-gamma. After adjusting for triglycerides, LDL- and HDL-cholesterol, and glucose, the ICU group exhibited lower serum levels of albumin and interleukin (IL)-12 and higher leukocyte counts and hs-CRP and IL-6 levels than the controls. Non-stimulated PBMCs from ICU patients secreted significantly greater amounts of IL-6 and IL-1beta than the controls; however, the production of IL-6, TNF-alpha and IL-1beta in response to LPS stimulation was significantly lower in the ICU group. CONCLUSIONS: Significant reductions in NK cell activity and serum IL-12 level, an absence of serum IFN-gamma, and decreased cytokine production from LPS-stimulated PBMCs indicate the hyporesponsiveness of NK cells and an impaired early phase inflammatory response in critically ill patients (ClinicalTrials.gov NCT02565589 :). Retrospectively registered; October 1, 2015. PMID- 29221434 TI - Longitudinal drop-out and weighting against its bias. AB - BACKGROUND: The bias caused by drop-out is an important factor in large population-based epidemiological studies. Many studies account for it by weighting their longitudinal data, but to date there is no detailed final approach for how to conduct these weights. METHODS: In this study we describe the observed longitudinal bias and a three-step longitudinal weighting approach used for the longitudinal data in the MoMo baseline (N = 4528, 4-17 years) and wave 1 study with 2807 (62%) participants between 2003 and 2012. RESULTS: The most meaningful drop-out predictors were socioeconomic status of the household, socioeconomic characteristics of the mother and daily TV usage. Weighting reduced the bias between the longitudinal participants and the baseline sample, and also increased variance by 5% to 35% with a final weighting efficiency of 41.67%. CONCLUSIONS: We conclude that a weighting procedure is important to reduce longitudinal bias in health-oriented epidemiological studies and suggest identifying the most influencing variables in the first step, then use logistic regression modeling to calculate the inverse of the probability of participation in the second step, and finally trim and standardize the weights in the third step. PMID- 29221435 TI - Exploring digenic inheritance in arrhythmogenic cardiomyopathy. AB - BACKGROUND: Arrhythmogenic cardiomyopathy (ACM) is an inherited genetic disorder, characterized by the substitution of heart muscle with fibro-fatty tissue and severe ventricular arrhythmias, often leading to heart failure and sudden cardiac death. ACM is considered a monogenic disorder, but the low penetrance of mutations identified in patients suggests the involvement of additional genetic or environmental factors. METHODS: We used whole exome sequencing to investigate digenic inheritance in two ACM families where previous diagnostic tests have revealed a PKP2 mutation in all affected and some healthy individuals. In family members with PKP2 mutations we determined all genes that harbor variants in affected but not in healthy carriers or vice versa. We computationally prioritized the most likely candidates, focusing on known ACM genes and genes related to PKP2 through protein interactions, functional relationships, or shared biological processes. RESULTS: We identified four candidate genes in family 1, namely DAG1, DAB2IP, CTBP2 and TCF25, and eleven candidate genes in family 2. The most promising gene in the second family is TTN, a gene previously associated with ACM, in which the affected individual harbors two rare deleterious-predicted missense variants, one of which is located in the protein's only serine kinase domain. CONCLUSIONS: In this study we report genes that might act as digenic players in ACM pathogenesis, on the basis of co-segregation with PKP2 mutations. Validation in larger cohorts is still required to prove the utility of this model. PMID- 29221436 TI - Prevalence and related risk factors of chronic kidney disease among adults in Luxembourg: evidence from the observation of cardiovascular risk factors (ORISCAV LUX) study. AB - BACKGROUND: Evidence on stages of renal impairment and related risk factors in Luxembourg is lacking. This study aimed to assess the prevalence of chronic kidney disease (CKD) and identify potential correlates among the general population, using the recent definition suggested by the Kidney Disease Improving Global Outcomes guidelines. METHODS: Data analysed from 1361 participants aged 18 69 years, enrolled in the Observation of Cardiovascular Risk Factors in Luxembourg (ORISCAV-LUX) study, 2007-08. Descriptive and multivariable logistic regression analyses were performed to identify demographic, socio-economic, behavioural, and clinical factors associated with CKD, defined as a single estimated glomerular filtration rate (eGFR) measure <60 ml/min/1.73m2 and/or urinary albumin: creatinine ratio (ACR) > 30 mg/g. RESULTS: Overall, 6.3% had CKD, including 4.4% and 0.7% with moderate and severe macroalbuminuria respectively. 0.1% had kidney failure (eGFR < 15 ml/min/1.73 m2). CKD was higher among subjects with primary education and risk increased significantly with age; the odd ratio was more than 2-fold higher among participants aged 50-69 years. Hypertension and diabetes were associated with more than 3-fold and 4-fold higher risks of CKD [adjusted odd ratio (AOR 3.46 (95%CI 1.92, 6.24), P < 0.001] and [AOR 4.45 (2.18, 9.07), P < 0.001] respectively. Increased physical activity measured as total MET-hour/week was independently associated with a lower odds of CKD (P = 0.035). CONCLUSION: The national baseline prevalence estimate of CKD, a neglected public health problem, stresses the benefit of early detection particularly in high-risk subjects with associated cardiovascular pathologies (e.g. hypertension, diabetes), to prevent and defray costs related to eventual complications. PMID- 29221437 TI - Evolutionary characterization and transcript profiling of beta-tubulin genes in flax (Linum usitatissimum L.) during plant development. AB - BACKGROUND: Microtubules, polymerized from alpha and beta-tubulin monomers, play a fundamental role in plant morphogenesis, determining the cell division plane, the direction of cell expansion and the deposition of cell wall material. During polarized pollen tube elongation, microtubules serve as tracks for vesicular transport and deposition of proteins/lipids at the tip membrane. Such functions are controlled by cortical microtubule arrays. Aim of this study was to first characterize the flax beta-tubulin family by sequence and phylogenetic analysis and to investigate differential expression of beta-tubulin genes possibly related to fibre elongation and to flower development. RESULTS: We report the cloning and characterization of the complete flax beta-tubulin gene family: exon-intron organization, duplicated gene comparison, phylogenetic analysis and expression pattern during stem and hypocotyl elongation and during flower development. Sequence analysis of the fourteen expressed beta-tubulin genes revealed that the recent whole genome duplication of the flax genome was followed by massive retention of duplicated tubulin genes. Expression analysis showed that beta tubulin mRNA profiles gradually changed along with phloem fibre development in both the stem and hypocotyl. In flowers, changes in relative tubulin transcript levels took place at anthesis in anthers, but not in carpels. CONCLUSIONS: Phylogenetic analysis supports the origin of extant plant beta-tubulin genes from four ancestral genes pre-dating angiosperm separation. Expression analysis suggests that particular tubulin subpopulations are more suitable to sustain different microtubule functions such as cell elongation, cell wall thickening or pollen tube growth. Tubulin genes possibly related to different microtubule functions were identified as candidate for more detailed studies. PMID- 29221438 TI - Double-catheter lavage combined with percutaneous flexible endoscopic debridement for infected pancreatic necrosis failed to percutaneous catheter drainage. AB - BACKGROUND: Infected pancreatic necrosis (IPN) is a serious local complication of acute pancreatitis, with high mortality. Minimally invasive therapy including percutaneous catheter drainage (PCD) has become the preferred method for IPN instead of traditional open necrosectomy. However, the efficacy of double catheter lavage in combination with percutaneous flexible endoscopic debridement after PCD failure is unknown compared with surgical necrosectomy. METHODS: A total of 27 cases of IPN patients with failure PCD between Jan 2014 and Dec 2015 were enrolled in this retrospective cohort study. Fifteen patients received double-catheter lavage in combination with percutaneous flexible endoscopic debridement, and 12 patients underwent open necrosectomy. The primary endpoint was the composite end point of major complications or death. The secondary endpoint included mortality, major complication rate, ICU admission length of stay, and overall length of stay. RESULTS: The primary endpoint occurrence rate in double-catheter lavage in combination with percutaneous flexible endoscopic debridement group (8/15, 53%) was significantly lower than that in open necrosectomy group (11/12, 92%) (RR = 1.71, 95% CI = 1.04 - 2.84, P < 0.05). Though the mortality between two groups showed no statistical significance (0% vs. 17%, P = 0.19), the rate of new-onset multiple organ failure and ICU admission length of stay in the experimental group was significantly lower than that in open necrosectomy group (13% vs. 58%, P = 0.04; 0 vs. 17, P = 0.02, respectively). Only 40% of patients required ICU admission after percutaneous debridement, which was markedly lower than the patients who underwent surgery (83%; P < 0.05). CONCLUSIONS: Double-catheter lavage in combination with percutaneous flexible endoscopic debridement showed superior effectiveness, safety, and convenience in patients with IPN after PCD failure as compared to open necrosectomy. PMID- 29221439 TI - Catheter-related blood stream infections in hemodialysis patients: a prospective cohort study. AB - BACKGROUND: For people requiring hemodialysis, infectious mortality is independently associated with geographic distance from a nephrologist. We aimed to determine if differential management of catheter-related blood stream infections (CRBSIs) could explain poorer outcomes. METHODS: We prospectively collected data from adults initiating hemodialysis with a central venous catheter between 2005 and 2015 in Alberta, Canada. We collected indicators of CRBSI management (timely catheter removal, relapsing bacteremia); frequency of CRBSIs; hospitalizations; predictors of CRBSIs, and bacteremia. We evaluated indicators and infectious episodes as a function of the shortest distance by road to the closest nephrologist's practice: <50 (referent); 50-99; and >=100 km. RESULTS: One thousand one hundred thirty-one participants were followed for a median of 755 days (interquartile range (IQR) 219, 1465) and used dialysis catheters for a median of 565 days (IQR 176, 1288). Compared to the referent group, there was no significant difference in the rate ratio (RR) of CRBSI in the 50-100 and >100 km distance categories: RR 1.63; 95% confidence interval (CI) (0.91, 2.91); RR 0.84 (95% CI 0.44, 1.58); p = 0.87, respectively or in bacteremia: RR 1.42; (95% CI 0.83, 2.45); RR 0.79 (95% CI 0.45,1.39) p = 0.74, respectively. There were no differences in indicators of appropriate CRBSI management or hospitalizations according to distance. The overall incidence of CRBSIs was low (0.19 per 1000 catheter days) as was the frequency of relapse. Only liver disease was independently associated with CRBSI (RR 2.11; 95% CI 1.15, 3.86). CONCLUSIONS: The frequency and management of CRBSIs did not differ by location; however, event rates were low. PMID- 29221440 TI - Effect of flecainide on atrial fibrillatory rate in a large animal model with induced atrial fibrillation. AB - BACKGROUND: Atrial fibrillatory cycle length has been considered one of the indices of atrial electrical remodelling during atrial fibrillation (AF), which can be assessed from surface ECG by computer-assisted calculation of atrial fibrillatory rate (AFR). Horses have been suggested as a bona fide model for AF studies since horses too, develop lone AF, however data on AF characteristics in horses are extremely sparse and non-invasive characterization of AF complexity using surface ECG processing has not been reported. AIM: The aim was to study characteristics of induced AF and its modification by flecainide. METHODS: The study group consisted on 3 horses with spontaneous persistent AF and 13 with pace induced AF. Seven horses were treated with saline (control) and eight with flecainide (2 mg/kg). ECGs were analysed using spatiotemporal cancellation of QRST complexes and calculation of AFR from the residual atrial signal. RESULTS: At AF onset, AFR was 295 +/- 52 fibrillations per minute (fpm) in the horses with induced AF treated with flecainide, 269 +/- 36 fpm in the control group (ns), and 364 +/- 26 fpm in the horses with spontaneous persistent AF (P < 0.05 compared to the control group). Flecainide caused a decrease in AFR in all animals and restored sinus rhythm in the animals with induced AF. In the control animals, AFR increased from 269 +/- 36 fpm to a plateau of 313 +/- 14 fpm before decreasing to 288 +/- 28 fpm during the last 10% of the AF episodes preceding spontaneous conversion (P < 0.05). CONCLUSION: AFR in horses with induced AF resembles AFR in humans with paroxysmal AF. Flecainide caused a rapid decrease in AFR in all horses, further supporting the method to be a non-invasive technique to study the effect of antiarrhythmic compounds. PMID- 29221441 TI - Time-varying serum gradient of hepatitis B surface antigen predicts risk of relapses after off-NA therapy. AB - BACKGROUND: The serum gradient of hepatitis B surface antigen (HBsAg) varies over time after cessation of nucleos(t)ide analog (NA) treatment in patients with chronic hepatitis B (CHB). The association between the time-varying HBsAg serum gradient and risk of relapse has not been elucidated. METHODS: This multicenter cohort study prospectively enrolled CHB patients who discontinued 3 year-NA treatment. Eligible patients were serologically negative for HBeAg and viral DNA at NA cessation. The participants (n = 140) were followed every 3 months through HBsAg quantification. Virological and clinical relapses were defined as viral DNA levels >2000 IU/mL and alanine aminotransferase (ALT) levels >80 U/mL, respectively. The association of time-varying HBsAg levels with relapses was assessed through a time-dependent Cox analysis. RESULTS: During a median follow up of 19.9 (interquartile range [IQR], 10.6-25.3) months, virological and clinical relapses occurred in 94 and 49 patients, with a 2-year cumulative incidence of 79.2% (95% confidence interval [CI], 70.9%-86.4%) and 42.9% (95% CI, 34.1%-52.8%), respectively. The serum level of HBsAg was associated with virological (P < 0.001) and clinical (P = 0.01) relapses in a dose-response manner, with adjusted hazard ratios of 2.10 (95% CI, 1.45-3.04) and 2.32 (95% CI, 1.28-4.21). Among the patients (n = 19) whose HBsAg levels ever dropped below 10 IU/mL, only one and three patients subsequently developed clinical and virological relapses. CONCLUSION: The serum gradient of HBsAg measured throughout the off-therapy observation is associated with the subsequent occurrence of virological and clinical relapses in CHB patients who discontinue NA treatment. PMID- 29221442 TI - General practitioners' awareness of depressive symptomatology is not associated with quality of life in heart failure patients - cross-sectional results of the observational RECODE-HF Study. AB - BACKGROUND: Depression is a common comorbidity in patients with chronic heart failure (HF) and linked to a wider range of symptoms which, in turn, are linked to a decreased health-related quality of life (HRQOL). Treatment of depression might improve HRQOL but detecting depression is difficult due to the symptom overlap between HF and depression. Therefore, clinical guidelines recommend to routinely screen for depression in HF patients. No studies have so far investigated the treatment after getting aware of a depressive symptomatology and its correlation with HRQOL in primary care HF patients. Therefore, we examined the factors linked to depression treatment and those linked to HRQOL in HF patients. We hypothesized that GPs' awareness of depressive symptomatology was associated with depression treatment and HRQOL in HF patients. METHODS: For this observational study, HF patients were recruited in primary care practices and filled out a questionnaire including PHQ-9 and HADS. A total of 574 patients screened positive for depressive symptomatology. Their GPs were interviewed by phone regarding the patients' comorbidities and potential depression treatment. Descriptive and regression analysis were performed. RESULTS: GPs reported various types of depression treatments (including dialogue/counselling by the GP him/herself in 31.8% of the patients). The reported rates differed considerably between GP-reported initiated treatment and patient-reported utilised treatment regarding psychotherapy (16.4% vs. 9.5%) and pharmacotherapy (61.2% vs. 30.3%). The GPs' awareness of depressive symptomatology was significantly associated with the likelihood of receiving pharmacotherapy (OR 2.8; p < 0.001) but not psychotherapy. The patient's HRQOL was not significantly associated with the GPs' awareness of depression. CONCLUSION: GPs should be aware of the gap between GP initiated and patient-utilised depression treatments in patients with chronic HF, which might lead to an undersupply of depression treatment. It remains to be investigated why GPs' awareness of depressive symptomatology is not linked to patients' HRQOL. We hypothesize that GPs are aware of cases with reduced HRQOL (which improves under depression treatment) and unaware of cases whose depression do not significantly impair HRQOL, resulting in comparable levels of HRQOL in both groups. This hypothesis needs to be further investigated. PMID- 29221443 TI - Diverse effects of distance cutoff and residue interval on the performance of distance-dependent atom-pair potential in protein structure prediction. AB - BACKGROUND: As one of the most successful knowledge-based energy functions, the distance-dependent atom-pair potential is widely used in all aspects of protein structure prediction, including conformational search, model refinement, and model assessment. During the last two decades, great efforts have been made to improve the reference state of the potential, while other factors that also strongly affect the performance of the potential have been relatively less investigated. RESULTS: Based on different distance cutoffs (from 5 to 22 A) and residue intervals (from 0 to 15) as well as six different reference states, we constructed a series of distance-dependent atom-pair potentials and tested them on several groups of structural decoy sets collected from diverse sources. A comprehensive investigation has been performed to clarify the effects of distance cutoff and residue interval on the potential's performance. Our results provide a new perspective as well as a practical guidance for optimizing distance-dependent statistical potentials. CONCLUSIONS: The optimal distance cutoff and residue interval are highly related with the reference state that the potential is based on, the measurements of the potential's performance, and the decoy sets that the potential is applied to. The performance of distance-dependent statistical potential can be significantly improved when the best statistical parameters for the specific application environment are adopted. PMID- 29221445 TI - Study protocol of HGCSG1404 SNOW study: a phase I/II trial of combined chemotherapy of S-1, nab-paclitaxel and oxaliplatin administered biweekly to patients with advanced gastric cancer. AB - BACKGROUND: In Japan, S-1 plus cisplatin (SP) regimen has become a standard therapy for patients with advanced gastric cancer. Moreover, the S-1 plus oxaliplatin regimen is now a standard treatment. Nab-paclitaxel was developed for chemotherapy of gastric cancer in Japanese clinical practice. Nab-paclitaxel, created with albumin-bound paclitaxel particles, has high transferability to tumour tissues and does not cause hypersensitivity reactions because of a different chemical composition compared with docetaxel and paclitaxel. A combination of S-1, nab-paclitaxel and oxaliplatin (which we named 'SNOW regimen') can be a promising triplet therapy for advanced gastric cancer. Although we have to pay attention to chemotherapy-induced neuropathy, we aim to investigate the recommended dose of this regimen in a phase I study. Furthermore, we will investigate its efficacy and toxicity in a phase II study. METHODS: The phase I study is a dose-escalation study using a standard 3 plus 3 design, followed by expansion cohorts. The SNOW regimen involves 28-day cycles with escalated doses of nab-paclitaxel (100-175 mg/m2 on days 1 and 15) and fixed doses of oxaliplatin (65 mg/ m2 on days 1 and 15) and S-1 (80 mg/m2/day on day 1 to 14). The primary endpoints are assessment of dose limiting toxicities and determination of maximum tolerated dose to investigate the recommended dose in the subsequent phase II study. In the phase II study, the primary endpoint is objective response rate. Secondary endpoints are assessment of safety, progression-free survival, disease control rate, overall survival and time to treatment failure. Adverse events were monitored and graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0. DISCUSSION: Triplet therapies for advanced gastric cancer patients have been evaluated in clinical trials. The SNOW regimen can be a promising new triplet therapy. TRIAL REGISTRATION: This study is performed at institutes that participate in Hokkaido Gastrointestinal Cancer Study Group (HGCSG) and registered as UMIN000016788 . Registrated 16 March 2015. PMID- 29221444 TI - Genome-wide association study of coronary artery calcified atherosclerotic plaque in African Americans with type 2 diabetes. AB - BACKGROUND: Coronary artery calcified atherosclerotic plaque (CAC) predicts cardiovascular disease (CVD). Despite exposure to more severe conventional CVD risk factors, African Americans (AAs) are less likely to develop CAC, and when they do, have markedly lower levels than European Americans. Genetic factors likely contribute to the observed ethnic differences. To identify genes associated with CAC in AAs with type 2 diabetes (T2D), a genome-wide association study (GWAS) was performed using the Illumina 5 M chip in 691 African American Diabetes Heart Study participants (AA-DHS), with replication in 205 Jackson Heart Study (JHS) participants with T2D. Genetic association tests were performed on the genotyped and 1000 Genomes-imputed markers separately for each study, and combined in a meta-analysis. RESULTS: Single nucleotide polymorphisms (SNPs), rs11353135 (2q22.1), rs16879003 (6p22.3), rs5014012, rs58071836 and rs10244825 (all on chromosome 7), rs10918777 (9q31.2), rs13331874 (16p13.3) and rs4459623 (18q12.1) were associated with presence and/or quantity of CAC in the AA-DHS and JHS, with meta-analysis p-values <=8.0 * 10-7. The strongest result in AA-DHS alone was rs6491315 in the 13q32.1 region (parameter estimate (SE) = -1.14 (0.20); p-value = 9.1 * 10-9). This GWAS peak replicated a previously reported AA DHS CAC admixture signal (rs7492028, LOD score 2.8). CONCLUSIONS: Genetic association between SNPs on chromosomes 2, 6, 7, 9, 16 and 18 and CAC were detected in AAs with T2D from AA-DHS and replicated in the JHS. These data support a role for genetic variation on these chromosomes as contributors to CAC in AAs with T2D, as well as to variation in CAC between populations of African and European ancestry. PMID- 29221446 TI - A systematic review of test accuracy studies evaluating molecular micro-satellite instability testing for the detection of individuals with lynch syndrome. AB - BACKGROUND: A systematic review was conducted to assess the diagnostic test accuracy of polymerase chain reaction (PCR)-based microsatellite instability (MSI) testing for identifying Lynch syndrome in patients with colorectal cancer (CRC). Unlike previous reviews, this was based on assessing MSI testing against best practice for the reference standard, and included CRC populations that were unselected, age-limited or high-risk for Lynch syndrome. METHODS: Single- and two gate diagnostic test accuracy studies, or similar, were identified, assessed for inclusion, data extracted and quality appraised by two reviewers according to a pre-specified protocol. Sensitivity of MSI testing was estimated for all included studies. Specificity, likelihood ratios and predictive values were estimated for studies that were not based on high-risk samples. Narrative synthesis was conducted. RESULTS: Nine study samples were included. When MSI-Low results were considered to be negative, sensitivity estimates ranged from 67% (95% CI 47, 83) to 100% (95% CI 94, 100). Three studies contributed to estimates of both sensitivity and specificity, with specificity ranging from 61% (95% CI 57, 65), to 93% (95% CI 89, 95). Good sensitivity was achieved at the expense of specificity. When MSI-L was considered to be positive (effectively lowering the threshold for a positive index test result) sensitivity increased and specificity decreased. Between-study heterogeneity in both the MSI and reference standard testing, combined with the low number of studies contributing to both sensitivity and specificity estimates, precluded pooling by meta-analysis. CONCLUSIONS: MSI testing is an effective screening test for Lynch syndrome. However, there is significant uncertainty surrounding what balance of sensitivity and specificity will be achieved in clinical practice and how this relates to specific characteristics of the test (such as the panel of markers used or the thresholds used to denote a positive test). PMID- 29221447 TI - Disruption of postnatal folliculogenesis and development of ovarian tumor in a mouse model with aberrant transforming growth factor beta signaling. AB - BACKGROUND: Transforming growth factor beta (TGFB) superfamily signaling is implicated in the development of sex cord-stromal tumors, a category of poorly defined gonadal tumors. The aim of this study was to determine potential effects of dysregulated TGFB signaling in the ovary using Cre recombinase driven by growth differentiation factor 9 (Gdf9) promoter known to be expressed in oocytes. METHODS: A mouse model containing constitutively active TGFBR1 (TGFBR1CA) using Gdf9-iCre (termed TGFBR1-CAG9Cre) was generated. Hematoxylin and eosin (H & E) staining, follicle counting, and immunohistochemistry and immunofluorescence analyses using antibodies directed to Ki67, forkhead box L2 (FOXL2), forkhead box O1 (FOXO1), inhibin alpha (INHA), and SRY (sex determining region Y)-box 9 were performed to determine the characteristics of the TGFBR1-CAG9Cre ovary. Terminal deoxynucleotidyl transferase (TdT) labeling of 3'-OH ends of DNA fragments, real time PCR, and western blotting were used to examine apoptosis, select gene expression, and TGFBR1 activation. RNAscope in situ hybridization was used to localize the expression of GLI-Kruppel family member GLI1 (Gli1) in ovarian tumor tissues. RESULTS: TGFBR1-CAG9Cre females were sterile. Sustained activation of TGFBR1 led to altered granulosa cell proliferation evidenced by high expression of Ki67. At an early age, these mice demonstrated follicular defects and development of ovarian granulosa cell tumors, which were immunoreactive for granulosa cell markers including FOXL2, FOXO1, and INHA. Further histochemical and molecular analyses provided evidence of overactivation of TGFBR1 in the granulosa cell compartment during ovarian pathogenesis in TGFBR1-CAG9Cre mice, along with upregulation of Gli1 and Gli2 and downregulation of Tgfbr3 in ovarian tumor tissues. CONCLUSIONS: These results reinforce the role of constitutively active TGFBR1 in promoting ovarian tumorigenesis in mice. The mouse model created in this study may be further exploited to define the cellular and molecular mechanisms of TGFB/activin downstream signaling in granulosa cell tumor development. Future studies are needed to test whether activation of TGFB/activin signaling contributes to the development of human granulosa cell tumors. PMID- 29221448 TI - Next-generation sequencing: recent applications to the analysis of colorectal cancer. AB - Since the establishment of the Sanger sequencing method, scientists around the world focused their efforts to progress in the field to produce the utmost technology. The introduction of next-generation sequencing (NGS) represents a revolutionary step and promises to lead to massive improvements in our understanding on the role of nucleic acids functions. Cancer research began to use this innovative and highly performing method, and interesting results started to appear in colorectal cancer (CRC) analysis. Several studies produced high quality data in terms of mutation discovery, especially about actionable or less frequently mutated genes, epigenetics, transcriptomics. Analysis of results is unveiling relevant perspectives aiding to evaluate the response to therapies. Novel evidences have been presented also in other directions such as gut microbiota or CRC circulating tumor cells. However, despite its unquestioned potential, NGS poses some issues calling for additional studies. This review intends to offer a view of the state of the art of NGS applications to CRC through examination of the most important technologies and discussion of recent published results. PMID- 29221450 TI - Peer feedback for examiner quality assurance on MRCGP International South Asia: a mixed methods study. AB - BACKGROUND: The International Membership Examination (MRCGP[INT]) of the Royal College of General Practitioners UK is a unique collaboration between four South Asian countries with diverse cultures, epidemiology, clinical facilities and resources. In this setting good quality assurance is imperative to achieve acceptable standards of inter rater reliability. This study aims to explore the process of peer feedback for examiner quality assurance with regard to factors affecting the implementation and acceptance of the method. METHODS: A sequential mixed methods approach was used based on focus group discussions with examiners (n = 12) and clinical examination convenors who acted as peer reviewers (n = 4). A questionnaire based on emerging themes and literature review was then completed by 20 examiners at the subsequent OSCE exam. Qualitative data were analysed using an iterative reflexive process. Quantitative data were integrated by interpretive analysis looking for convergence, complementarity or dissonance. The qualitative data helped understand the issues and informed the process of developing the questionnaire. The quantitative data allowed for further refining of issues, wider sampling of examiners and giving voice to different perspectives. RESULTS: Examiners stated specifically that peer feedback gave an opportunity for discussion, standardisation of judgments and improved discriminatory abilities. Interpersonal dynamics, hierarchy and perception of validity of feedback were major factors influencing acceptance of feedback. Examiners desired increased transparency, accountability and the opportunity for equal partnership within the process. The process was stressful for examiners and reviewers; however acceptance increased with increasing exposure to receiving feedback. The process could be refined to improve acceptability through scrupulous attention to training and selection of those giving feedback to improve the perceived validity of feedback and improved reviewer feedback skills to enable better interpersonal dynamics and a more equitable feedback process. It is important to highlight the role of quality assurance and peer feedback as a tool for continuous improvement and maintenance of standards to examiners during training. CONCLUSION: Examiner quality assurance using peer feedback was generally a successful and accepted process. The findings highlight areas for improvement and guide the path towards a model of feedback that is responsive to examiner views and cultural sensibilities. PMID- 29221449 TI - Changes in physical activity during the retirement transition: a series of novel n-of-1 natural experiments. AB - BACKGROUND: Existing evidence about the impact of retirement on physical activity (PA) has primarily focused on the average change in PA level after retirement in group-based studies. It is unclear whether findings regarding the direction of PA change after retirement from group-based studies apply to individuals. This study aimed to explore changes in PA, PA determinants and their inter-relationships during the retirement transition at the individual level. METHODS: A series of n of-1 natural experiments were conducted with seven individuals who were aged 55 76 years and approaching retirement. PA was measured by tri-axial accelerometry. Twice-daily self-report and ecological momentary assessments of evidence- and theory-based determinants of PA (e.g. sleep length/quality, happiness, tiredness, stress, time pressure, pain, intention, perceived behavioural control, priority, goal conflict and goal facilitation) were collected via a questionnaire for a period of between 3 and 7 months, which included time before and after the participant's retirement date. A personalised PA determinant was also identified by each participant and measured daily for the duration of the study. Dynamic regression models for discrete time binary data were used to analyse data for each individual participant. RESULTS: Two participants showed a statistically significant increase in the probability of engaging in PA bouts after retirement and two participants showed a significant time trend for a decrease and increase in PA bouts over time during the pre- to post-retirement period, respectively. There was no statistically significant change in PA after retirement for the remaining participants. Most of the daily questionnaire variables were significantly associated with PA for one or more participants but there were no consistent pattern of PA predictors across participants. For some participants, the relationship between questionnaire variables and PA changed from pre- to post retirement. CONCLUSIONS: The findings from this study demonstrate the impact of retirement on individual PA trajectories. Using n-of-1 methods can provide information about unique patterns and determinants of individual behaviour over time, which has been obscured in previous research. N-of-1 methods can be used as a tool to inform personalised PA interventions for individuals within the retirement transition. PMID- 29221452 TI - Evaluation of nutritional value, characteristics, functional properties of Cymodocea nodosa and its benefits on health diseases. AB - BACKGROUND: Nutritional fact study has prime importance to make the species edible and commercially viable to the food consumers. This is the first report that indicates the chemical characterization, functional, antioxidant and antihypertensive properties of Cymodocea nodosa to evaluate its nutritional status. METHODS: Physico-chemical determination was determined by colorimetric and spectroscopic analysis. The functional and texture properties were evaluated since a desirable texture should be retained. Bioactive substances were determined by liquid chromatography-high resolution electrospray ionization mass spectrometry HPLC-DAD-ESI/MS2 analysis. Health benefit of this plant was highlighting by the antioxidant and antihypertensive potentials. RESULTS: Results showed that the seagrass powder was characterized by a high content of fibers (56.4%), the fatty acids profile was dominated by the oleic acid, which represents about 62.0% of the total fatty acids and the functional properties proved important values of swelling capacity (6.71 +/- 0.2) and water holding capacity (12.26 +/- 0.25), that were comparable to those of some foodstuffs. Finally, the physico-chemical analysis shows the wealth in phenolic compounds, that could be explained by the high antioxidant and antihypertensive ability which was concentration dependent. CONCLUSION: The results from this study suggested that this marine plant could be utilized as a healthy food item for human consumption. PMID- 29221453 TI - The extra cost of comorbidity: multiple illnesses and the economic burden of non communicable diseases. AB - BACKGROUND: The literature offers competing estimates of disease costs, with each study having its own data and methods. In 2007, the Dutch Center for Public Health Forecasting of the National Institute for Public Health and the Environment provided guidelines that can be used to set up cost-of-illness (COI) studies, emphasising that most COI analyses have trouble accounting for comorbidity in their cost estimations. When a patient has more than one chronic condition, the conditions may interact such that the patient's healthcare costs are greater than the sum of the costs for the individual diseases. The main objective of this work was to estimate the costs of 10 non-communicable diseases when their co-occurrence is acknowledged and properly assessed. METHODS: The French Echantillon Generaliste de Beneficiaires (EGB) database was used to assign all healthcare expenses for a representative sample of the population covered by the National Health Insurance. COIs were estimated in a bottom-up approach, through regressions on individuals' healthcare expenditure. Two-way interactions between the 10 chronic disease variables were included in the expenditure model to account for possible effect modification in the presence of comorbidity(ies). RESULTS: The costs of the 10 selected chronic diseases were substantially higher for individuals with comorbidity, demonstrating the pattern of super-additive costs in cases of diseases interaction. For instance, the cost associated with diabetes for people without comorbidity was estimated at 1776 ?, whereas this was 2634 ? for people with heart disease as a comorbidity. Overall, we detected 41 cases of super-additivity over 45 possible comorbidities. When simulating a preventive action on diabetes, our results showed that significant monetary savings could be achieved not only for diabetes itself, but also for the chronic diseases frequently associated with diabetes. CONCLUSIONS: When comorbidity exists and where super-additivity is involved, a given preventive policy leads to greater monetary savings than the costs associated with the single diagnosis, meaning that the returns from the action are generally underestimated. PMID- 29221451 TI - Inequality in early childhood neurodevelopment in six poor rural counties of China: a decomposition analysis. AB - BACKGROUND: Previous studies about inequality in children's health focused more on physical health than the neurodevelopment. In this study, we aimed to evaluate the inequality in early childhood neurodevelopment in poor rural China and explore the contributions of socioeconomic factors to the inequality. METHOD: Information of 2120 children aged 0 to 35 months and their households in six poor rural counties of China was collected during July - September, 2013. Age and Stages Questionnaire-Chinese version, concentration index and decomposition analysis were used to assess the neurodevelopment of early childhood, measure its inequality and evaluate the contributions of socioeconomic factors to the inequality, respectively. RESULT: The prevalence of suspected developmental delay in children under 35 months of age in six poor rural counties of China was nearly 40%, with the concentration index of -0.0877. Household economic status, caregivers' depressive symptoms, learning material and family support for learning were significantly associated with children's suspected developmental delay, and explained 34.1, 14.1, 8.9 and 7.0% of the inequality in early childhood neurodevelopment, respectively. CONCLUSION: The early childhood neurodevelopment in the surveyed area is poor and unfair. Factors including household economic status, caregivers' depressive symptoms, learning material and family support for learning are significantly associated with children's suspected developmental delay and early developmental inequality. The results highlight the urgent need of monitoring child neurodevelopment in poor rural areas. Interventions targeting the caregivers' depressive symptoms, providing learning material and developmental appropriate stimulating activities may help improve early childhood neurodevelopment and reduce its inequality. PMID- 29221454 TI - Must we remain blind to undergraduate medical ethics education in Africa? A cross sectional study of Nigerian medical students. AB - BACKGROUND: As the practice of medicine inevitably raises both ethical and legal issues, it had been recommended since 1999 that medical ethics and human rights be taught at every medical school. Most Nigerian medical schools still lack a formal undergraduate medical ethics curriculum. Medical education remains largely focused on traditional medical science components, leaving the medical students to develop medical ethical decision-making skills and moral attitudes passively within institutions noted for relatively strong paternalistic traditions. In conducting a needs assessment for developing a curriculum germane to the Nigerian society, and by extension most of Sub-Saharan Africa, this study determined the views of Nigerian medical students on medical ethics education, ethical issues related to the doctor-patient relationship and the ethical/professional dilemmas they are confronted with. METHODS: Using self-administered 63-item structured questionnaires, a cross-sectional survey of the final year medical students of the University of Nigeria was conducted in July 2015.Using the Statistical Package for the Social Sciences software (SPSS Version 17), frequency counts and percentages were generated. RESULTS: The sample included 100 males (71.4%) and 40 females (28.6%), with the respective mean (SD) age being 24.6(5.61) and 21.8 (6.38) years. Only 35.7% were satisfied with their medical ethics knowledge, and 97.9% indicated that medical ethics should be taught formally. Only 8.6% had never witnessed a medical teacher act unethically. The dilemmas of poor communication between physicians and patients, and the provision of sub-standard care were reported highest for being encountered 'often'. A majority (60.7%) indicated that "a doctor should do his best always, irrespective of the patient's wishes". No significant difference in responses across gender was noted. CONCLUSION: There is a strong desire by the contemporary Nigerian medical student for medical ethics education. Their lack of exposure in medical ethics in an ethically challenging environment suggest a dire need for the development of an appropriate medical ethics curriculum for them and the provision of an ethically conducive learning environment. PMID- 29221455 TI - Mental health professionals' family-focused practice with families with dependent children: a survey study. AB - BACKGROUND: Many people with a mental illness are parents caring for dependent children. These children are at greater risk of developing their own mental health concerns compared to other children. Mental health services are opportune places for healthcare professionals to identify clients' parenting status and address the needs of their children. There is a knowledge gap regarding Thai mental health professionals' family-focused knowledge and practices when working with parents with mental illness and their children and families. METHODS: This cross -sectional survey study examined the attitudes, knowledge and practices of a sample (n = 349) of the Thai mental health professional workforce (nurses, social workers, psychologists, psychiatrists) using a translated version of the Family-Focused Mental Health Practice Questionnaire (FFMHPQ). RESULTS: The majority of clinicians reported no training in family (76.8%) or child-focused practice (79.7%). Compared to other professional groups, psychiatric nurses reported lower scores on almost all aspects of family-focused practice except supporting clients in their parenting role within the context of their mental illness. Social workers scored highest overall including having more workplace support for family-focused practice as well as a higher awareness of family focused policy and procedures than psychiatrists; social workers also scored higher than psychologists on providing support to families and parents. All mental health care professional groups reported a need for training and inter professional practice when working with families. CONCLUSIONS: The findings indicate an important opportunity for the prevention of intergenerational mental illness in whose parents have mental illness by strengthening the professional development of nurses and other health professionals in child and family-focused knowledge and practice. PMID- 29221456 TI - Effect of multimorbidity on quality of life in adult with cardiovascular disease: a cross-sectional study. AB - BACKGROUND: The aim of present study was to describe the effect of multimorbidity on Health-Related Quality of Life (HRQoL) in patients with coronary artery disease (CAD). METHODS: A cross-sectional study with a simple sampling method of 296 patients undergoing coronary artery bypass surgery in a referral hospital of the northern part of Iran was conducted between April, 2015 and September, 2016. Multimorbidity was defined as the presence of at least two chronic diseases based on self-reporting and medical records. HRQoL was measured using the 36-item short form (SF-36) health status survey. We used analysis of variance (ANOVA) to assess the effect of multimorbidity on mental and physical component of HRQoL. RESULTS: Approximately, 69% of CAD patients had at least one other disease like diabetes or hypertension. Patients without multimorbidity compared with patients with multimorbidity were significantly older (p = 0.012) and more educated (p = 0.002). Both physical and mental component score of HRQoL was better in patients without any morbidity (48.82 vs. 43.93 with 95%CI of mean difference: 3.37-6.42 and 54.85 vs. 50.44 with 95% CI of mean difference: 1.68-7.15, respectively). Both physical and mental component score was significantly lower in female and lower educated patients (physical mean score 43.07 vs. 46.54 with P = .001 and 42.53 vs. 46.82 with P < .001 and mental mean score 49.98 vs. 52.65 with P = .055 and 49.80 vs. 52.75 with P = .022 for sex and education, respectively). Also, two way ANOVA showed that regards to morbidity, physical component score was grater in patients with lower education level than higher education level (P < .001). CONCLUSION: The findings of this study suggest that women, lower education level and overweight reported lower quality of life. HRQoL is affected by multimorbidity among CAD patients specially in less educated. PMID- 29221457 TI - Capillaria hepatica (Calodium hepaticum) infection in a horse: a case report. AB - BACKGROUND: Capillaria hepatica is a zoonotic parasite in humans and animals and has a worldwide distribution. However, infections in mammals apart from rodents, which are natural hosts of the parasite, have rarely been reported. This report describes the first known case of C. hepatica infection in a horse in Japan. CASE PRESENTATION: A 3-year-old filly without clinical signs was presented at a slaughterhouse in Japan. Gross examination revealed white to tan nodules 0.5 to 1.5 cm in diameter in the parenchyma of the liver. Histologically, the nodules had mature fibrous capsules and consisted of multifocal to coalescing granulomatous inflammations with numerous nematode eggs. The eggs were barrel shaped with an opercular plug on each end and double-layered shells; these findings are consistent with the features of C. hepatica eggs. CONCLUSIONS: To our knowledge, this is the first case of C. hepatica infection in a horse in Japan. The pathological findings confirmed the presence of this pathogen in this part of the world, and they highlight the importance of this nematode in the differential diagnosis of hepatic granulomatous lesions in horses. PMID- 29221458 TI - A cohort examination to establish reporting of the remit and function of Trial Steering Committees in randomised controlled trials. AB - BACKGROUND: The DAMOCLES project established a widely used Data Monitoring Committee (DMC) Charter for randomised controlled trials (RCTs). Typically, within the UK, the DMC is advisory and recommends to another executive body; the Trial Steering Committee (TSC). Despite the executive role of the TSC, the CONSORT Statement does not explicitly require reporting of TSC activity, although is included as an example of good reporting. A lack of guidance on TSC reporting can impact transparency of trial oversight, ultimately leading to a misunderstanding regarding role and, subsequently, further variation in practice. This review aimed to establish reporting practice of TSC involvement in RCTs, and thus make recommendations for reporting. METHODS: A cohort examination identifying reporting practice was undertaken. The cohort comprised RCTs published in three leading medical journals (the British Medical Journal, The Lancet and the New England Journal of Medicine) within 6 months in 2012 and the full NIHR HTA Monograph series. Details of TSC constitution and impact were extracted from main publications and published supplements. RESULTS: Of 415 publications, 264 were eligible. These were typical in terms of trial design. Variations in reporting between journals and monographs was notable. TSC presence was identified in approximately half of trials (n = 144), of which 109 worked alongside a DMC. No publications justified not convening a TSC. When reported, the role of the committee and examples of impact in design, conduct and analysis were summarised. CONCLUSIONS: We present the first review of reporting TSC activity in the published academic literature. An absence of reporting standards with regards to TSC constitution, activity and impact on trial conduct was identified which can influence transparency of reporting trial oversight. Consistent reporting is vital for the benefits and impact of the TSC role to be understood to support adoption of this oversight structure and reduce global variations in practice. PMID- 29221459 TI - Team-based learning (TBL) in the medical curriculum: better than PBL? AB - BACKGROUND: Internationally, medical schools have long used a variety of approaches to develop hybrid Problem based learning (PBL) curricula. However, Team-based learning (TBL), has gained recent popularity in medical education. TBL maintains the advantages of small group teaching and learning, but in contrast to Problem-based learning (PBL), does not require large numbers of tutors. In 2016, TBL was introduced to Year 1 of the Sydney Medical Program (SMP).This study sought to compare students' perceptions of using TBL in place of PBL. METHODS: Year 1 students (n = 169) completed three PBL and three TBL sessions during one of the following teaching blocks: Musculoskeletal (n = 56), Respiratory (n = 59) or Cardiovascular (n = 54). Student feedback following completion of each block of teaching was collected by questionnaire, using closed and open ended items. Data were analysed using descriptive statistics and thematic analysis. RESULTS: In total, 144/169 (85%) of participants completed a questionnaire regarding PBL, and 152/169 (90%) completed a similar questionnaire regarding TBL. The students found positive aspects of their TBL experience to include the smaller group size, the use of readiness assurance tests, immediate feedback from senior clinicians, and time efficiency. In PBL, students reported that variable expertise of tutors; limited direction; and large group size hindered their learning. CONCLUSIONS: Overwhelmingly, students preferred TBL over PBL, as the optimal teaching strategy. Students found the structure and format of the TBL sessions more conducive to learning, engagement and participation than PBL sessions. Although the use of TBL required an instructional approach, needing direction from the tutor, it remained student-centred, generating a range of positive outcomes. Study results provide confidence to change from PBL to TBL within Year 1 and Year 2 of the SMP in 2017. PMID- 29221460 TI - GoldenPiCS: a Golden Gate-derived modular cloning system for applied synthetic biology in the yeast Pichia pastoris. AB - BACKGROUND: State-of-the-art strain engineering techniques for the host Pichia pastoris (syn. Komagataella spp.) include overexpression of homologous and heterologous genes, and deletion of host genes. For metabolic and cell engineering purposes the simultaneous overexpression of more than one gene would often be required. Very recently, Golden Gate based libraries were adapted to optimize single expression cassettes for recombinant proteins in P. pastoris. However, an efficient toolbox allowing the overexpression of multiple genes at once was not available for P. pastoris. METHODS: With the GoldenPiCS system, we provide a flexible modular system for advanced strain engineering in P. pastoris based on Golden Gate cloning. For this purpose, we established a wide variety of standardized genetic parts (20 promoters of different strength, 10 transcription terminators, 4 genome integration loci, 4 resistance marker cassettes). RESULTS: All genetic parts were characterized based on their expression strength measured by eGFP as reporter in up to four production-relevant conditions. The promoters, which are either constitutive or regulatable, cover a broad range of expression strengths in their active conditions (2-192% of the glyceraldehyde-3-phosphate dehydrogenase promoter P GAP ), while all transcription terminators and genome integration loci led to equally high expression strength. These modular genetic parts can be readily combined in versatile order, as exemplified for the simultaneous expression of Cas9 and one or more guide-RNA expression units. Importantly, for constructing multigene constructs (vectors with more than two expression units) it is not only essential to balance the expression of the individual genes, but also to avoid repetitive homologous sequences which were otherwise shown to trigger "loop-out" of vector DNA from the P. pastoris genome. CONCLUSIONS: GoldenPiCS, a modular Golden Gate-derived P. pastoris cloning system, is very flexible and efficient and can be used for strain engineering of P. pastoris to accomplish pathway expression, protein production or other applications where the integration of various DNA products is required. It allows for the assembly of up to eight expression units on one plasmid with the ability to use different characterized promoters and terminators for each expression unit. GoldenPiCS vectors are available at Addgene. PMID- 29221461 TI - Seeking a second medical opinion: composition, reasons and perceived outcomes in Israel. AB - BACKGROUND: Seeking a second-opinion (SO) is a common clinical practice that can optimize treatment and reduce unnecessary procedures and risks. We aim to characterize the composition of the population of SO seekers, their reasons for seeking a SO and choosing a specific physician, and their perceived outcomes following the SO. METHODS: A cross-sectional national telephone survey, using a representative sample of the general Israeli population (n = 848, response rate = 62%). SO utilization was defined as seeking an additional clinical opinion from a specialist within the same specialty, for the same medical concern. We describe the characteristics of respondents who obtained SOs, their reasons for doing so and their perceived outcomes: (1) Satisfaction with the SO; (2) Experiencing health improvement after receiving a SO; (3) A difference in the diagnosis or treatment suggested in the first opinions and the second opinions; (4) Preference of the SO over the first one. RESULTS: Most of the respondents who sought a SO (n = 344) were above 60 years old, secular, living with a partner, perceived their income to be above average and their health status to be not so good. For the patients who utilized SOs, orthopedic surgeons were sought out more than any other medical professional.Reasons for seeking a SO included doubts about diagnosis or treatment (38%), search for a sub-specialty expert (19%) and dissatisfaction with communication (19%). SO seekers most frequently chose a specific specialist based on a recommendation from a friend or a relative (33%). About half of the SO seekers also searched for information on the internet. Most of the respondents who sought a SO mentioned that they were satisfied with it (84%), felt health improvement (77%), mentioned that there was a difference between the diagnosis or treatment between the first opinion and the SO (56%) and preferred the SO over the first one (91%). CONCLUSIONS: Clinical uncertainty or dissatisfaction with patient-physician communication were the main reasons for seeking a SO. Policy makers should be aware that many patients choose a physician for a SO based on recommendations made outside the medical system. We recommend creating mechanisms that help patients in the complicated process of seeking a SO, suggest specialists who are suitable for the specific medical problem of the patient, and provide tools to reconcile discrepant opinions. PMID- 29221462 TI - Ethical frameworks for obtaining informed consent in tumour profiling: an evidence-based case for Singapore. AB - BACKGROUND: Genomic profiling of malignant tumours has assisted clinicians in providing targeted therapies for many serious cancer-related illnesses. Although the characterisation of somatic mutations is the primary aim of tumour profiling for treatment, germline mutations may also be detected given the heterogenous origin of mutations observed in tumours. Guidance documents address the return of germline findings that have health implications for patients and their genetic relations. However, the implications of discovering a potential but unconfirmed germline finding from tumour profiling are yet to be fully explored. Moreover, as tumour profiling is increasingly applied in oncology, robust ethical frameworks are required to encourage large-scale data sharing and data aggregation linking molecular data to clinical outcomes, to further understand the role of genetics in oncogenesis and to develop improved cancer therapies. RESULTS: This paper reports on the results of empirical research that is broadly aimed at developing an ethical framework for obtaining informed consent to return results from tumour profiling tests and to share the biomolecular data sourced from tumour tissues of cancer patients. Specifically, qualitative data were gathered from 36 semi structured interviews with cancer patients and oncology clinicians at a cancer treatment centre in Singapore. The interview data indicated that patients had a limited comprehension of cancer genetics and implications of tumour testing. Furthermore, oncology clinicians stated that they lacked the time to provide in depth explanations of the tumour profile tests. However, it was accepted from both patients and oncologist that the return potential germline variants and the sharing of de-identified tumour profiling data nationally and internationally should be discussed and provided as an option during the consent process. CONCLUSIONS: Findings provide support for the return of tumour profiling results provided that they are accompanied with an adequate explanation from qualified personnel. They also support the use of broad consent regiments within an ethical framework that promotes trust and benefit sharing with stakeholders and provides accountability and transparency in the storage and sharing of biomolecular data for research. PMID- 29221463 TI - Correction to: Recessive VARS2 mutation underlies a novel syndrome with epilepsy, mental retardation, short stature, growth hormone deficiency, and hypogonadism. AB - CORRECTION: After publication of the article [1], it has been brought to our attention that there is a nomenclature issue with this article. At the time of acceptance, the VARS2 mutation was considered equivalent to the VARS2 mutation. However, this has changed so that VARS now only refers to shorter mitochondrial sequence of valyl-tRNA synthesase containing 1093 amino acids. "Therefore, in the context of this article, every usage of "VARS2" should be replaced with "VARS" when referring to the causative variant". PMID- 29221464 TI - Molecular and functional characterization of ferredoxin NADP(H) oxidoreductase from Gracilaria chilensis and its complex with ferredoxin. AB - BACKGROUD: Ferredoxin NADP(H) oxidoreductases (EC 1.18.1.2) (FNR) are flavoenzymes present in photosynthetic organisms; they are relevant for the production of reduced donors to redox reactions, i.e. in photosynthesis, the reduction of NADP+ to NADPH using the electrons provided by Ferredoxin (Fd), a small FeS soluble protein acceptor of electrons from PSI in chloroplasts. In rhodophyta no information about this system has been reported, this work is a contribution to the molecular and functional characterization of FNR from Gracilaria chilensis, also providing a structural analysis of the complex FNR/Fd. METHODS: The biochemical and kinetic characterization of FNR was performed from the enzyme purified from phycobilisomes enriched fractions. The sequence of the gene that codifies for the enzyme, was obtained using primers designed by comparison with sequences of Synechocystis and EST from Gracilaria. 5'RACE was used to confirm the absence of a CpcD domain in FNRPBS of Gracilaria chilensis. A three dimensional model for FNR and Fd, was built by comparative modeling and a model for the complex FNR: Fd by docking. RESULTS: The kinetic analysis shows KMNADPH of 12.5 M and a k cat of 86 s-1, data consistent with the parameters determined for the enzyme purified from a soluble extract. The sequence for FNR was obtained and translated to a protein of 33646 Da. A FAD and a NADP+ binding domain were clearly identified by sequence analysis as well as a chloroplast signal sequence. Phycobilisome binding domain, present in some cyanobacteria was absent. Transcriptome analysis of Gch revealed the presence of two Fd; FdL and FdS , sharing the motif CX5CX2CX29X. The analysis indicated that the most probable partner for FNR is FdS. CONCLUSION: The interaction model produced, was consistent with functional properties reported for FNR in plants leaves, and opens the possibilities for research in other rhodophyta of commercial interest. PMID- 29221466 TI - Unusual pathological fracture of the clavicle revealing primary hyperparathyroidism: a case report. AB - BACKGROUND: Primary hyperparathyroidism revealed by a pathological fracture is very uncommon; in the majority of cases the discovery of lytic bone lesions on imaging examinations evokes in the clinician first a neoplastic etiology and a metabolic origin is often omitted. This case report adds to the existing literature as it describes an unusual presentation of primary hyperparathyroidism. CASE PRESENTATION: We report a case of a 50-year-old Moroccan man, without any known tumor, who presented a fracture of his left clavicle with multiple osteolytic lesions on computed tomography suggesting bone metastases. However, bone scintigraphy oriented the diagnosis to a metabolic pathology by showing a metabolic bone "super scan" with increased tracer uptake in the left clavicle; parathyroid scintigraphy was able to localize pathological right parathyroid tissue. CONCLUSIONS: Whenever multiple osteolytic lesions are found in a patient without any known tumor, metabolic bone diseases including hyperparathyroidism should be highly considered. PMID- 29221465 TI - Yale school of public health symposium on lifetime exposures and human health: the exposome; summary and future reflections. AB - The exposome is defined as "the totality of environmental exposures encountered from birth to death" and was developed to address the need for comprehensive environmental exposure assessment to better understand disease etiology. Due to the complexity of the exposome, significant efforts have been made to develop technologies for longitudinal, internal and external exposure monitoring, and bioinformatics to integrate and analyze datasets generated. Our objectives were to bring together leaders in the field of exposomics, at a recent Symposium on "Lifetime Exposures and Human Health: The Exposome," held at Yale School of Public Health. Our aim was to highlight the most recent technological advancements for measurement of the exposome, bioinformatics development, current limitations, and future needs in environmental health. In the discussions, an emphasis was placed on moving away from a one-chemical one-health outcome model toward a new paradigm of monitoring the totality of exposures that individuals may experience over their lifetime. This is critical to better understand the underlying biological impact on human health, particularly during windows of susceptibility. Recent advancements in metabolomics and bioinformatics are driving the field forward in biomonitoring and understanding the biological impact, and the technological and logistical challenges involved in the analyses were highlighted. In conclusion, further developments and support are needed for large-scale biomonitoring and management of big data, standardization for exposure and data analyses, bioinformatics tools for co-exposure or mixture analyses, and methods for data sharing. PMID- 29221467 TI - Urothelial cells may indicate underlying bacteriuria in pregnancy at term: a comparative study. AB - BACKGROUND: Urinary tract infection is common in pregnancy. Urine is sampled from by mid-stream collection (MSU). If epithelial cells are detected, contamination by vulvo-vagial skin and skin bacteria is assumed. Outside pregnancy, catheter specimen urine (CSU) is considered less susceptible to contamination. We compared MSU and CSU methods in term pregnancy to test these assumptions. METHODS: Healthy pregnant women at term gestation (n = 32, median gestation 38 + 6 weeks, IQR 37 + 6-39 + 2) undergoing elective caesarean section provided a MSU and CSU for paired comparison that were each analysed for bacterial growth and bladder distress by fresh microscopy, sediment culture and immunofluorescent staining. Participants completed a detailed questionnaire on lower urinary tract symptoms. Epithelial cells found in urine were tested for urothelial origin by immunofluorescent staining of Uroplakin III (UP3), a urothelial cell surface glycoprotein. Urothelial cells with closely associated bacteria, or "clue cells", were also counted. Wilcoxons signed rank test was used for paired analysis. RESULTS: Women reported multiple lower urinary tract symptoms (median 3, IQR 0-8). MSU had higher white blood cell counts (median 67 vs 46, z = 2.75, p = 0.005) and epithelial cell counts (median 41 vs 22, z = 2.57, p = 0.009) on fresh microscopy. The proportion of UP3+ cells was not different (0.920 vs 0.935, z = 0.08, p = 0.95), however MSU had a higher proportion of clue cells (0.978 vs 0.772, z = 3.17, p = 0.001). MSU had more bacterial growth on sediment culture compared to CSU specimens (median 8088 total cfu/ml vs 0, z = 4.86, p = 0.001). Despite this, routine laboratory cultures reported a negative screening culture for 40.6% of MSU specimens. CONCLUSION: Our findings have implications for the correct interpretation of MSU findings in term pregnancy. We observed that MSU samples had greater bacterial growth and variety when compared to CSU samples. The majority of epithelial cells in both MSU and CSU samples were urothelial in origin, implying no difference in contamination. MSU samples had a higher proportion of clue cells to UP3+ cells, indicating a greater sensitivity to bacterial invasion. Urinary epithelial cells should not be disregarded as contamination, instead alerting us to underlying bacterial activity. PMID- 29221469 TI - Correction to: The role of melatonin in the onset and progression of type 3 diabetes. AB - CORRECTION TO: MOLECULAR BRAIN (2017) 10:35 DOI: 10.1186/S13041-017-0315-X: In the original version of this article [1], published on 1 August 2017, Fig. 3 contains a typo. In this Correction the incorrect and correct version of Fig. 3 are shown. - Fig. 3 was originally published like this: - The correct version of Fig. 3 looks like this. PMID- 29221468 TI - Fever in pregnancy and the risk of congenital malformations: a cohort study. AB - BACKGROUND: In a variety of animal species, hyperthermia in pregnancy has been recognized as teratogenic. Hyperthermia interferes with protein synthesis via heat-shock proteins, which can entail membrane disruption, cell death, vascular disruption, and placental infarction. This can induce severe fetal malformations or death. Fever during pregnancy, especially during embryogenesis, has also been associated with congenital malformations in human offspring. The purpose of this large cohort study of clinically recognized pregnancies was to investigate whether fever during first trimester was associated with an increased risk of congenital malformations in the offspring. METHODS: The Danish National Birth Cohort is a population-based cohort of 100,418 pregnant women and their offspring recruited in 1996 to 2002. Information on fever during pregnancy was collected prospectively by means of two telephone interviews. The study population comprised the 77,344 pregnancies enrolled in the Danish National Birth Cohort where self-reported information on fever during first trimester of pregnancy was available. Pregnancy outcomes were identified through linkage with the National Patient Registry. Congenital malformations within the first three and a half years of life were categorized according to EUROCAT's classification criteria. Logistic regression models were used to estimate the associations between fever in first trimester and overall congenital malformations and congenital malformations by subgroups. RESULTS: Eight thousand three hundred twenty-one women reported fever during first trimester (10.8%) and 2876 infants were diagnosed with a congenital malformation (3.7%). Fever during first trimester did not affect the risk of overall fetal congenital malformation (OR 0.99, 95% CI 0.88-1.12). The subgroup analyses indicated slightly higher risk of congenital anomalies in the eye, ear, face and neck (OR 1.29, 95% CI 0.78-2.12) and in the genitals (OR 1.17, 95% CI 0.79-1.12), whereas lower risk of malformations in the nervous system (OR 0.47, 95% CI 0.21-1.08), the respiratory system (OR 0.56, 95% CI 0.23-1.29) and in the urinary subgroup (OR 0.58, 95% CI 0.35-0.99) was suggested, the latter constituting the only statistically significant finding. CONCLUSIONS: Overall, this study did not show any association between maternal fever in pregnancy and risk of congenital anomalies. PMID- 29221470 TI - Potential diagnostic markers of olanzapine efficiency for acute psychosis: a focus on peripheral biogenic amines. AB - BACKGROUND: Biomarkers are now widely used in many fields of medicine, and the identification of biomarkers that predict antipsychotic efficacy and adverse reactions is a growing area of psychiatric research. Monoamine molecules of the peripheral bloodstream are possible prospective biomarkers based on a growing body of evidence indicating that they may reflect specific changes in neurotransmitters in the brain. The aim of this study was to detect peripheral biogenic amine indicators of patients with acute psychosis and to test the correlations between the biological measures studied and the psychopathological status of the patients. METHODS: This research included 60 patients with acute psychosis treated with olanzapine (n = 30) or haloperidol (n = 30). Here, we measured biogenic amine indicators, including mRNA levels of dopamine receptor D4 (DRD4) and the serotonin 2A receptor (5HTR2A), in peripheral blood mononuclear cells (PBMCs) using quantitative real-time polymerase chain reaction and serum dopamine concentrations by enzyme linked immunosorbent assay (ELISA). Psychopathological status was evaluated using psychometric scales. The assessments were conducted prior to and after 14 and 28 days of treatment. RESULTS: The administration of haloperidol, but not olanzapine, up-regulated 5HTR2A mRNA in a linear manner, albeit without statistical significance (p = 0.052). Both drugs had non-significant effects on DRD4 mRNA levels. Nevertheless, a positive correlation was found between DRD4 and 5HTR2A mRNA levels over a longitudinal trajectory, suggesting co-expression of the two genes. A significant positive correlation was observed between 5HTR2A mRNA levels and total Positive and Negative Syndrome Scale (PANSS) scores in both groups of patients before treatment. A significant correlation between baseline 5HTR2A mRNA levels and PANSS scores on days 14 and 28 of treatment remained for patients treated with olanzapine only. Moreover, a significant positive correlation was observed between blood serum dopamine levels and scores on extrapyramidal symptom scales in the olanzapine group. CONCLUSIONS: The DRD4 and 5HTR2A genes are co-expressed in PBMCs during antipsychotic administration. Despite a correlation between the studied biogenic amine indicators and the psychopathological status of patients, reliable biomarkers of treatment response could not be determined. PMID- 29221471 TI - In-home versus hospital preoperative balance and proprioceptive training in patients undergoing TKR; rationale, design, and method of a randomized controlled trial. AB - BACKGROUND: Severe knee osteoarthritis, as well as the surgical procedure of total knee replacement that aims to reduce its symptoms, cause great deterioration on the proprioceptive system. Taking this fact into account, and considering that balance abilities positively influence the capacity to perform basic functional tasks, this trial aims to find the short and mid-term effects of a preoperative balance and proprioceptive training when conducted by patients undergoing total knee replacement. Along with the effects, it is intended to determine whether in-home based training can be as effective as hospital training. The results will help to conclude whether the possible benefits may outweigh the health costs. METHODS: Seventy-five participants will take part. The trial will include in-home and supervised hospital experimental training compared to a non-active control group in order to estimate the actual effect of the proposal against the benefits due exclusively to the surgical procedure. Interventions last 4 weeks prior to surgery, and the follow-up will be at 2w, 6w, and 1y following the operation. The primary outcomes are in agreement with the goals: self-reported functionality in terms of KOOS and overall balance in terms of the Berg Balance Scale. The secondary outcomes will include the measurements of static and dynamic balance abilities, pain, function, and quality of life. DISCUSSION: It is expected for the results of this trial to provide relevant information in order to decide if a specific intervention is cost-effective to be implemented in clinical practice. TRIAL REGISTRATION: Clinicaltrials.gov identifier NCT03100890 . Registered in April 4, 2017. PMID- 29221472 TI - Odontoblast-like differentiation and mineral formation of pulpsphere derived cells on human root canal dentin in vitro. AB - BACKGROUND: The revitalization or regeneration of the dental pulp is a preferable goal in current endodontic research. In this study, human dental pulp cell (DPC) spheres were applied to human root canal samples to evaluate their potential adoption for physiological tissue-like regeneration of the dental root canal by odontoblastic differentiation as well as cell-induced mineral formation. METHODS: DPC were cultivated into three-dimensional cell spheres and seeded on human root canal specimens. The evaluation of sphere formation, tissue-like behavior and differentiation as well as mineral formation of the cells was carried out with the aid of optical light microscopy, immunohistochemical staining and scanning electron microscopy (SEM). RESULTS: Spheres and cells migrated out of the spheres showed an intense cell-cell- and cell-dentin-contact with the formation of extra cellular matrix. In addition, the ingrowth of cell processes into dentinal tubules and the interaction of cell processes with the tubule walls were detected by SEM-imaging. Immunohistochemical staining of the odontoblast specific matrix proteins, dentin matrix protein-1, and dentin sialoprotein revealed an odontoblast-like cell differentiation in contact with the dentin surface. This differentiation was confirmed by SEM-imaging of cells with an odontoblast specific phenotype and cell induced mineral formation. CONCLUSIONS: The results of the present study reveal the high potential of pulp cells organized in spheres for dental tissue engineering. The odontoblast-like differentiation and the cell induced mineral formation display the possibility of a complete or partial "dentinal filling" of the root canal and the opportunity to combine this method with other current strategies. PMID- 29221473 TI - Prevalence of somatic and urogenital symptoms as well as psychological health in women aged 45 to 55 attending primary health care: a cross-sectional study. AB - BACKGROUND: Women's physical and mental ill-health such as stress-related symptoms, depression, pain, hypertension and urogenital health shows a marked increase around the ages 45-55 years. These women are an important group for Primary Health Care (PHC) due to their prevalent symptoms and illnesses. The aim of this study was to estimate the prevalence of somatic, psychological and urogenital symptoms in women aged 45-55 attending PHC and evaluate factors associated with severe symptoms. METHODS: One hundred and thirty-one women were recruited from PHC in southwestern Sweden. Data were obtained from two self reported questionnaires, the Menopause Rating Scale (MRS) and the Montgomery Asberg Depression Rating Scale (MADRS). RESULTS: Exhaustion, depressive mood, muscle and joint problems, sleep and sexual problems were the most prevalent reported symptoms. Half of the women reported heart discomfort. Depression and increasing age were correlated to more severe symptoms. CONCLUSION: We recommend that cardiovascular risk factors, musculoskeletal symptoms, sexual problems, sleeping problems and mental health should be actively asked for when women aged 45 to 55 attend PHC. We propose that preventive counselling of women in PHC before the age 45 should be evaluated in future studies. PMID- 29221474 TI - Increased expression of neuregulin 1 in the urothelium of rat bladder with partial bladder outlet obstruction. AB - BACKGROUND: This study determined whether changes in the expression of neuregulin (NRG) 1, erbB2 tyrosine kinase (ErbB2) and the M2 muscarinic receptor in the urothelium and detrusor muscle of the rat bladder were associated with partial bladder outlet obstruction (PBOO). METHODS: Male Sprague-Dawley rats (body weight 250-300 g) were used and subdivided into control (n = 10) and PBOO groups (n = 20). PBOO was induced for 21 days, and the expression of NRG1, ErbB2 and M2 muscarinic receptor mRNA and protein was evaluated using reverse transcriptase polymerase chain reaction (RT-PCR) and western blotting, respectively. RESULTS: In the urothelium of rat bladder samples, protein expression and mRNA expression of NRG1, ErbB2 and M2 muscarinic receptor were significantly increased in the PBOO group compared to the control group (p < 0.05). Only mRNA expression levels of NRG1/ ErbB2 were higher in the detrusor muscle of the PBOO group compared to the control group (p < 0.05). CONCLUSIONS: Our study demonstrated remarkable changes in the expression of NRG1/ErbB2 receptor mRNA and protein in the urothelium and muscle layer. These results suggest that NRG1 overexpression plays some kind of role against the PBOO-induced upregulated muscarinic receptors in detrusor overactivity. PMID- 29221475 TI - A critical realist evaluation of a music therapy intervention in palliative care. AB - BACKGROUND: Music therapy is increasingly used as an adjunct therapy to support symptom management in palliative care. However, studies to date have paid little attention to the processes that lead to changes in patient outcomes. To fill this gap, we examined the processes and experiences involved in the introduction of music therapy as an adjunct complementary therapy to palliative care in a hospice setting in the United Kingdom (UK). METHODS: Using a realistic evaluation approach, we conducted a qualitative study using a variety of approaches. These consisted of open text answers from patients (n = 16) on how music therapy helped meet their needs within one hospice in Northern Ireland, UK. We also conducted three focus groups with a range of palliative care practitioners (seven physicians, seven nursing staff, two social workers and three allied health professionals) to help understand their perspectives on music therapy's impact on their work setting, and what influences its successful implementation. This was supplemented with an interview with the music therapist delivering the intervention. RESULTS: Music therapy contains multiple mechanisms that can provide physical, psychological, emotional, expressive, existential and social support. There is also evidence that the hospice context, animated by a holistic approach to healthcare, is an important facilitator of the effects of music therapy. Examination of patients' responses helped identify specific benefits for different types of patients. CONCLUSIONS: There is a synergy between the therapeutic aims of music therapy and those of palliative care, which appealed to a significant proportion of participants, who perceived it as effective. PMID- 29221476 TI - Lexical neutrality in environmental health research: Reflections on the term walkability. AB - Neighbourhood environments have important implications for human health. In this piece, we reflect on the environments and health literature and argue that precise use of language is critical for acknowledging the complex and multifaceted influence that neighbourhood environments may have on physical activity and physical activity-related outcomes. Specifically, we argue that the term "neighbourhood walkability", commonly used in the neighbourhoods and health literature, constrains recognition of the breadth of influence that neighbourhood environments might have on a variety of physical activity behaviours. The term draws attention to a single type of physical activity and implies that a universal association exists when in fact the literature is quite mixed. To maintain neutrality in this area of research, we suggest that researchers adopt the term "neighbourhood physical activity environments" for collective measures of neighbourhood attributes that they wish to study in relation to physical activity behaviours or physical activity-related health outcomes. PMID- 29221477 TI - Trajectories and characteristics of functional impairment before and after suicide attempt in young adults - a nationwide register-based cohort study. AB - BACKGROUND: Despite high rates of youth suicide attempt, little is known about patterns of functional impairment in terms of sickness absence and disability pension (SA/DP) before and after an attempt. The aim was to identify SA/DP trajectories among young adults with or without suicide attempt and to describe associations of socio-demographic and clinical factors with such trajectories. METHODS: This is a population-based cohort study of 5385 individuals aged 25-40 years with a first suicide attempt during 2007-2009. One control for each case without suicide attempt was matched by socio-demographic factors. Trajectories of annual SA/DP months over an eight-year period were analysed by group-based trajectory modelling. Associations between socio-demographic and clinical factors with trajectory groups were estimated by chi2-test and multinomial logistic regression. RESULTS: Two groups of suicide attempters had low SA/DP levels over time (62%). One group had constantly high SA/DP levels (16%). The remaining two groups had increased SA/DP initially, which then decreased at different time points. Socio-demographic and clinical factors were associated with different trajectories (R2 = 0.44). Suicide attempters with low levels of SA/DP were likely to be unemployed whereas a larger proportion of those with high levels of SA/DP had psychiatric health care before the suicide attempt, particularly due to schizophrenia and non-affective psychoses or personality disorders. CONCLUSIONS: Young suicide attempters even with no/low levels of SA/DP were likely to be marginalised at the labour market. Schizophrenia/non-affective psychoses and personality disorders were important clinical factors for differentiating the levels of SA/DP among young suicide attempters. PMID- 29221478 TI - Evaluation of antioxidant, anti-inflammatory, analgesic and antipyretic activities of the stem bark of Sapindus mukorossi. AB - BACKGROUND: Saponins are the main constituents of genus Sapindus and have the therapeutic potential for inflammatory disorders. In this study the antioxidant, anti-inflammatory, analgesic and antipyretic potential of the stem bark of soap nut (Sapindus mukorossi) methanol extract and its derived fractions has been investigated. METHODS: Powder of stem bark of the S. mukorossi was extracted with methanol (SMM) and fractionated in order of n-hexane (SMH), chloroform (SMC), ethyl acetate (SME), n-butanol (SMB) and the remaining as aqueous fraction (SMA). Quantitative estimation for the total phenolic and total flavonoid content was carried out in all the extract/fractions. Further, various in vitro antioxidant assays were also performed. Anti-inflammatory (Carrageenan induced paw edema), analgesic (hot plate latency test) and antipyretic (rectal temperature) were determined in Sprague-Dawley rat. RESULTS: Quantitative estimation of total phenolic contents in extract/fractions varied between 252.3 +/- 2.41 mg of GAE/g 594.16 +/- 4.3 mg of GAE/g while the total flavonoids estimated were from 11.02 +/- 1.3 mg of RUE/g to 96.9 +/- 3.2 mg of RUE/g. Standard antioxidant assays such as scavenging of DPPH, hydroxyl radical, nitric oxide, phosphomolybdenum assay, reducing power, inhibition of beta-carotene bleaching, iron chelation activity and inhibition of heat induced protein denaturation indicated the antioxidant potential of the extract/fractions. Carrageenan induced paw edema of rat was effectively inhibited by SMA at 300 mg/kg administration to rat (84.19 +/- 1.48%) after 3 h and analgesia (latency time) in hot plate test (55.78 +/- 1.22%) after 120 min. SMA at 300 mg/kg distinctly decreased the rectal temperature in brewer's yeast (Saccharomyces cerevisiae) induced pyrexia in rat. CONCLUSION: The resulted obtained in this study suggested the therapeutic importance of stem bark of S. mukorossi in inflammatory related disorders. PMID- 29221479 TI - In-screw polymethylmethacrylate-augmented sacroiliac screw for the treatment of fragility fractures of the pelvis: a prospective, observational study with 1-year follow-up. AB - BACKGROUND: The incidence of pelvic ring fractures in the elderly significantly increased. Because of persistent pain and immobilization associated with this injury, surgical treatment is recommended. To minimise comorbidities and surgical risk, percutaneous techniques are becoming more relevant. In-screw cement augmentation of sacroiliac screw fixation is a promising procedure; however, clinical follow-up data remain scarce. This study investigated the safety and possible complications of the procedure along with a 1-year follow-up. METHODS: Thirty-four patients (treated with 43 screws) were prospectively included. Data on patients' age and sex, the mechanism of accident, fracture pattern, duration of hospital stay, surgery and adverse events were recorded. Data were obtained postoperatively on the reduction of pain and complications, such as infection, cement leakage and neurological deficits, and at 1-year follow-up on pain, quality of life according to the 12-Item Short Form Survey and mobility. Implant failure was defined as retraction or dislocation of screws and was also documented. RESULTS: Screw-related complications occurred with 2 of 43 screws. None of these complications were related to cement augmentation. In-hospital adverse events occurred in 6 of 34 patients. Postoperative pain, measured by the visual analogue scale, was significantly reduced from 6.7 +/- 1.4 preoperatively to 2.7 +/- 1.0 postoperatively (p < 0.001). Although patients complained of pain at the 1-year follow-up, they reported a significant decline compared with pain at admission (3.4 +/- 2.3; p < 0.001). Results on the quality of life were comparable with those for the age- and gender matched German population. All patients were mobile, and no implant failure was detected. CONCLUSIONS: The results indicate that in-screw augmented sacroiliac screw fixation for fragility fractures of the pelvis is a safe technique. Pain was significantly reduced immediately after surgery compared to the preoperative state. Furthermore, significant pain reduction after one year compared to the preoperative state and quality of life was comparable to the age- and gender- matched German population. Thus, we recommend in-screw augmentation for screw fixation for sacral fragility fractures of the pelvis following failed conservative treatment. PMID- 29221480 TI - Prevalence and etiologies of pulmonary hypertension in Africa: a systematic review and meta-analysis. AB - BACKGROUND: Despite the recent increasing worldwide attention towards pulmonary hypertension (PH), its epidemiology remains poorly described in Africa. Accordingly, we performed a systematic review and meta-analysis of PH prevalence, incidence and etiologies in Africa. METHODS: We searched PubMed, EMBASE, African Journals Online, and Africa Index Medicus. Published observational studies until September 20, 2017, including adult participants residing in Africa were considered. Two review authors independently selected studies, assessed included studies for methodological quality, and extracted data. A random-effects model was used for meta-analysis. Heterogeneity was evaluated by the chi 2 test on Cochrane's Q statistic which is quantified by I2 values. Using Newcastle-Ottawa Scale, we considered a score of 0-4, 5-7, and 8-10 as indicative of high, moderate, and low risk of bias in included studies, respectively. RESULTS: Of 1611 entries, 25 studies were retained. Twelve (48%), seven (28%), and six (24%) papers had respectively a low, moderate and high risk of bias. The prevalence of PH widely varied across different populations: 9.8% (95% confidence interval: 3.2 19.3; I2 = 99.4%; 6 studies) in 11,163 people presenting with cardiac complaints; 10.6% (4.3-19.1; I2 = 90.3%; 4 studies) in 937 HIV-infected people; 32.9% (17.6 50.4; I2 = 97.2%; 3 studies) in 2077 patients with heart failure; 23.2% (15.2 32.2; I2 = 59.4%; 3 studies) in 248 patients on hemodialysis; 12.9% (11.8-14.0; I2 = 79.7%; 2 studies) in 3750 patients with rheumatic heart disease; 36.9% (29.7 44.3; I2 = 79.7; 2 studies) in 79 patients with sickle cell disease; 62.7% (49.0 74.7; 1 study) in 51 patients with chronic obstructive pulmonary disease; 25.4% (16.3-37.3; 1 study) in 63 patients with systemic lupus erythematous; 68.7% (62.8 74.1; 1 study) in 259 patients with cardiac surgery; and 7.4% (4.6-11.9; 1 study) in 202 patients with systemic sclerosis. No study reported PH incidence. From one international study (n = 209), PH etiologies were: left heart disease (68.9%), pulmonary arterial hypertension (15.8%), lung disease and/or hypoxia (12.0%), chronic thromboembolic PH (1.9%) and unclear/multifactorial PH (15.8%). CONCLUSION: The prevalence of PH is relatively high in some populations in Africa, perhaps mainly driven by left heart diseases, highlighting the need for context-specific interventions. PMID- 29221481 TI - Association of body mass index with knee cartilage damage in an asymptomatic population-based study. AB - BACKGROUND: Cartilage changes are an important early finding of osteoarthritis (OA), which can exist even before symptoms. Our objective was to determine the prevalence of knee cartilage damage on magnetic resonance imaging (MRI) in an asymptomatic population-based cross-sectional study and to evaluate the association of body mass index (BMI) with cartilage damage. METHODS: Subjects, aged 40-79 years, without knee pain (n = 73) were recruited as a random population sample and assessed for BMI (kg/m2), including current BMI (measured), past BMI at age 25 (self-reported) and change in BMI. Knee cartilage was scored semi-quantitatively (grades 0-4) on MRI. In primary analysis, cartilage damage was defined as >=2 (at least moderate) and in a secondary analysis as >=3 (severe). We also conducted a sensitivity analysis by dichotomizing current BMI as <25 vs. >=25. Logistic regression was used to evaluate the association of each BMI variable with prevalent MRI-detected cartilage damage, adjusted for age and sex. RESULTS: Of 73 subjects, knee cartilage damage >=2 and >=3 was present in 65.4% and 28.7%, respectively. The median current BMI was 26.1, median past BMI 21.6, and median change in BMI was a gain of 2.8. For cartilage damage >=2, current BMI had a non-statistically significant OR of 1.65 per 5 units (95% CI 0.93-2.92). For cartilage damage >=3, current BMI showed a trend towards statistical significance with an OR of 1.70 per 5 units (95% CI 0.99-2.92). Past BMI and change in BMI were not significantly associated with cartilage damage. Current BMI >= 25 was statistically significantly associated with cartilage damage >=2 (OR 3.04 (95% CI 1.10-8.42)), but not for >=3 (OR 2.63 (95% CI 0.86 8.03)). CONCLUSIONS: MRI-detected knee cartilage damage was highly prevalent in this asymptomatic population-based cohort. We report a trend towards significance of BMI with cartilage damage severity. Subjects with abnormal current BMI (>=25) had a 3-fold increased odds of cartilage damage >=2, compared to those with normal BMI. This study lends support towards the role of obesity in the pathogenesis of knee cartilage damage at an asymptomatic stage of disease. PMID- 29221482 TI - Rejection, acceptance and the spectrum between: understanding male attitudes and experiences towards conflict-related sexual violence in eastern Democratic Republic of Congo. AB - BACKGROUND: Female survivors of sexual violence in conflict experience not only physical and psychological sequelae from the event itself, but often many negative social outcomes, such as rejection and ostracisation from their families and community. Male relatives - whether husbands, fathers, brothers - play a key role in determining how the family and community respond to a survivor of sexual violence. Understanding these perspectives could help improve services for survivors of sexual violence, as well as their families and communities. METHODS: This study draws on qualitative data gathered from focus groups of 68 men in the eastern region of Democratic Republic of Congo. Men were asked about their experiences as relatives of women who had experienced sexual violence. RESULTS: Two dominant themes arose throughout the focus groups: factors driving rejection and pathways to acceptance. Factors driving rejection included: fear of sexually transmitted infections, social stigma directed toward the husbands themselves, and an understanding of marriage and fidelity that is incompatible with rape. Men also touched on their own trauma, including struggling with witnessing a rape that took place in public, or caring for a survivor with a child from rape. They noted that the economic burden of medical treatment for survivors was a salient factor in the decision to reject. Pathways to acceptance included factors such as the love of their spouse or relative, survivors' potential to give continued financial contribution to the family, the need to keep the family together to care for children in the home, and pressure from people of importance in the community. CONCLUSION: This study provides unique insight into how male relatives respond to close family members who have experienced sexual violence. This is particularly critical since the reaction of a male relative after rape can be the most pivotal factor in promoting or impeding recovery for a survivor. These results emphasise the importance of services that focus not only on the survivor of violence herself, but also on key family members that can ideally help support her recovery. PMID- 29221483 TI - The role of sleepiness on arterial stiffness improvement after CPAP therapy in males with obstructive sleep apnea: a prospective cohort study. AB - BACKGROUND: Obstructive sleep apnea (OSA) is associated with increased cardiovascular risk. This study aim to assess differences in changes in arterial stiffness of two groups of patients, defined as having daytime sleepiness or not, after continuous positive airway pressure (CPAP) treatment. METHODS: A selected cohort of consecutive male patients, under 65 years old, with moderate to severe OSA and without great number of comorbidities was studied. The diagnosis was confirmed by home respiratory poligraphy. Sleepiness was considered with an Epworth Sleepiness Scale (ESS) > 10. An ambulatory blood pressure (BP) monitoring and carotid-femoral pulse wave velocity (cf-PWV) measurements were performed, before and after four months under CPAP. Compliant patients, sleepy and non sleepy, were compared using linear mixed effects regression models. A further stratified analysis was performed with non-sleepy patients. RESULTS: Thirty-four patients were recruited, with mean age 55.2 (7.9) years, 38.2% were sleepy, 79.4% with hypertension, 61.8% with metabolic syndrome and 82.4% with dyslipidaemia. In univariable analysis, cf-PWV was strongly related to systolic BP parameters and age, but also to antihypertensive drugs (p = 0.030), metabolic syndrome (p = 0.025) and daytime sleepiness (p = 0.004). Sleepy patients had a more severe OSA, with AHI 44.8 (19.0) vs 29.7 (15.7) events/h (p = 0.018), but sleep study parameters were not associated with cf-PWV values. On multivariable regression, a significant interaction between time (CPAP) and sleepiness (p = 0.033) was found. There was a weak evidence of a cf-PWV reduction after CPAP treatment (p = 0.086), but the effects of treatment differed significantly between groups, with no changes in non-sleepy patients, while in sleepy patients a significant decrease was observed (p = 0.012). Evaluating non-sleepy patients group under CPAP therapy, results showed that both higher pulse pressure (p = 0.001) and lower LDL cholesterol levels (p = 0.015) at baseline were associated to higher cf-PWV changes. CONCLUSIONS: Patients with daytime sleepiness had a more severe OSA and presented a greater arterial stiffness improvement after CPAP therapy, independently from age and BP. Besides sleepiness, cf-PWV reduction after CPAP therapy was mainly associated to CV risk factors, and less to sleep study parameters. TRIAL REGISTRATION: Clinicaltrials.gov NCT02273089 23.10.2014 retrospectively registered. PMID- 29221484 TI - The impacts of baseline ventilator parameters on hospital mortality in acute respiratory distress syndrome treated with venovenous extracorporeal membrane oxygenation: a retrospective cohort study. AB - BACKGROUND: Venovenous extracorporeal membrane oxygenation (VV-ECMO) is a valuable life support in acute respiratory distress syndrome (ARDS) in adult patients. However, the success of VV-ECMO is known to be influenced by the baseline settings of mechanical ventilation (MV) before its institution. This study was aimed at identifying the baseline ventilator parameters which were independently associated with hospital mortality in non-trauma patients receiving VV-ECMO for severe ARDS. METHODS: This retrospective study included 106 non trauma patients (mean age: 53 years) who received VV-ECMO for ARDS in a single medical center from 2007 to 2016. The indication of VV-ECMO was severe hypoxemia (PaO2/ FiO2 ratio < 70 mmHg) under pressure-controlled MV with peak inspiratory pressure (PIP) > 35 cmH2O, positive end-expiratory pressure (PEEP) > 5 cmH2O, and FiO2 > 0.8. Important demographic and clinical data before and during VV-ECMO were collected for analysis of hospital mortality. RESULTS: The causes of ARDS were bacterial pneumonia (n = 41), viral pneumonia (n = 24), aspiration pneumonitis (n = 3), and others (n = 38). The median duration of MV before ECMO institution was 3 days and the overall hospital mortality was 53% (n = 56). The medians of PaO2/ FiO2 ratio, PIP, PEEP, and dynamic pulmonary compliance (PCdyn) at the beginning of MV were 84 mmHg, 32 cmH2O, 10 cmH2O, and 21 mL/cmH2O, respectively. However, before the beginning of VV-ECMO, the medians of PaO2/ FiO2 ratio, PIP, PEEP, and PCdyn became 69 mmHg, 36 cmH2O, 14 cmH2O, and 19 mL/cmH2O, respectively. The escalation of PIP and the declines in PaO2/ FiO2 ratio and PCdyn were significantly correlated with the duration of MV before ECMO institution. Finally, the duration of MV (OR: 1.184, 95% CI: 1.079-1.565, p < 0.001) was found to be the only baseline ventilator parameter that independently affected the hospital mortality in these ECMO-treated patients. CONCLUSION: Since the duration of MV before ECMO institution was strongly correlated to the outcome of adult respiratory ECMO, medical centers are suggested to find a suitable prognosticating tool to determine the starting point of respiratory ECMO among their candidates with different duration of MV. TRIAL REGISTRATION: This study reported a health care intervention on human participants and was retrospectively registered. The Chang Gung Medical Foundation Institutional Review Board approved the study (no. 201601483B0 ) on November 23, 2016. All of the data were extracted from December 1, 2016, to January 31, 2017. PMID- 29221485 TI - Exploring the characteristics of patients with mesothelioma who chose active symptom control over chemotherapy as first-line treatment: a prospective, observational, single centre study. AB - BACKGROUND: Mesothelioma is an aggressive thoracic tumour with a poor prognosis. The only treatment that extends survival is chemotherapy. However, in the UK, up to 50% of patients who are suitable for chemotherapy choose not to receive it, opting for active symptom control instead. The aim of this prospective, single centre observational study was to describe the characteristics of patients who chose active symptom control over chemotherapy and explore their reasons for doing so. METHODS: Two hundred consecutive patients with mesothelioma from one UK centre were included. Eligibility for chemotherapy and choice of first-line treatment were recorded prospectively. Patient characteristics and outcomes were compared using descriptive statistics, regression analysis and survival analysis. Reasons for choosing active symptom control over chemotherapy were extracted, retrospectively. RESULTS: People who chose active symptom control were older, more likely to be female and had worse performance statuses than patients who received front-line chemotherapy. Concern over side effects, the modest survival benefit and previous adverse experiences with chemotherapy were reported as reasons for the decision. Median survival was 13.9 months in the chemotherapy group compared with 6.7 months in the active symptom control group. CONCLUSIONS: This is the first study to describe the characteristics of patients with mesothelioma who chose active symptom control over chemotherapy, in the front line setting. Important differences were seen between this group and patients who received chemotherapy, although confounding is likely to have affected some outcomes. Future research could use qualitative methods to explore patients' reasons for choosing active symptom control, and to further elucidate the decision-making process. PMID- 29221486 TI - A screening system to identify transcription factors that induce binding site directed DNA demethylation. AB - BACKGROUND: DNA methylation is a fundamental epigenetic modification that is involved in many biological systems such as differentiation and disease. We and others recently showed that some transcription factors (TFs) are involved in the site-specific determination of DNA demethylation in a binding site-directed manner, although the reports of such TFs are limited. RESULTS: Here, we develop a screening system to identify TFs that induce binding site-directed DNA methylation changes. The system involves the ectopic expression of target TFs in model cells followed by DNA methylome analysis and overrepresentation analysis of the corresponding TF binding motif at differentially methylated regions. It successfully identified binding site-directed demethylation of SPI1, which is known to promote DNA demethylation in a binding site-directed manner. We extended our screening system to 15 master TFs involved in cellular differentiation and identified eight novel binding site-directed DNA demethylation-inducing TFs (RUNX3, GATA2, CEBPB, MAFB, NR4A2, MYOD1, CEBPA, and TBX5). Gene ontology and tissue enrichment analysis revealed that these TFs demethylate genomic regions associated with corresponding biological roles. We also describe the characteristics of binding site-directed DNA demethylation induced by these TFs, including the targeting of highly methylated CpGs, local DNA demethylation, and the overlap of demethylated regions between TFs of the same family. CONCLUSIONS: Our results show the usefulness of the developed screening system for the identification of TFs that induce DNA demethylation in a site-directed manner. PMID- 29221487 TI - Clinical laboratory verification of thyroglobulin concentrations in the presence of autoantibodies to thyroglobulin: comparison of EIA, radioimmunoassay and LC MS/MS measurements in an Urban Hospital. AB - OBJECTIVE: Thyroglobulin (Tg) measurements assess recurrence in post thyroidectomy thyroid cancer patients. Tg measurements by enzyme immunoassays (EIA) can be falsely elevated by interference from Tg autoantibodies (TgAb). Radioimmunoassay (RIA) is less susceptible to TgAb interference and has been the standard-of-care test for TgAb positive patients. Recently developed liquid chromatography tandem mass spectrometry (LC-MS/MS) methods may eliminate TgAb interference. We assessed the performance of Tg measurements by EIA, RIA and LC MS/MS to evaluate TgAb interference differences. RESULTS: We measured TgAb and Tg in 50 plasma samples from 40 patients in whom Tg measurement was part of their routine follow-up and 10 healthy volunteers. Discrepancy between EIA and both LC MS/MS and RIA was observed at low Tg concentrations (<= 7.55 ng/mL) in TgAb positive specimens (LC-MS/MS = 1.9 * EIA - 0.03, r = 0.68). RIA and LC-MS/MS Tg measurements in TgAb positive specimens with low Tg concentrations had improved correlation but demonstrated bias (LC MS/MS = 0.6 * RIA - 1.4, r = 0.90). Disagreement between methods may be attributed to LC-MS/MS reported Tg concentrations as undetectable compared to RIA. It seems likely that most discrepant cases are falsely elevated in RIA due to TgAb interference, however, some cases appear below the detection limit of LC-MS/MS; implementation of LC MS/MS by clinicians will require lower detection limits. PMID- 29221488 TI - Divergent susceptibilities to AAV-SaCas9-gRNA vector-mediated genome-editing in a single-cell-derived cell population. AB - OBJECTIVE: Recombinant adeno-associated virus (AAV)-based vectors are characterized by their robust and safe transgene delivery. The CRISPR/Cas9 and guide RNA (gRNA) system present a promising genome-editing platform, and a recent development of a shorter Cas9 enzyme from Staphylococcus aureus (SaCas9) allows generation of high titer single AAV vectors which carry both saCas9- and gRNA expression cassettes. Here, we used two AAV-SaCas9 vectors with distinct GFP targeted gRNA sequences and determined the impact of AAV-SaCas9-gRNA vector treatment in a single cell clone carrying a GFP-expression cassette. RESULTS: Our results showed comparable GFP knockout efficiencies (40-50%) upon a single low dose infection. Three consecutive transductions of 25-fold higher doses of vectors showed 80% GFP knockout efficiency. To analyze the "AAV-SaCas9-resistant cell population", we sorted the residual GFP-positive cells and assessed their permissiveness to super-infection with two AAV-Cas9-GFP vectors. We found the sorted cells were significantly more resistant to the GFP knockout mediated by the same AAV vector, but not by the other GFP-targeted AAV vector. Our data therefore demonstrate highly efficient genome-editing by the AAV-SaCas9-gRNA vector system. Differential susceptibilities of single cell-derived cells to the AAV-SaCas9-gRNA-mediated genome editing may represent a formidable barrier to achieve 100% genome editing efficiency by this vector system. PMID- 29221489 TI - Characteristics of the use of cold combination products among older ambulatory patients at the National Hospital Organization Tochigi Medical Center in Japan: a retrospective single-center observational study. AB - OBJECTIVE: This study aimed to determine the frequency and characteristics of prescriptions of cold combination products among older ambulatory patients. A retrospective observational study was conducted using electronic medical records. All patients aged 65 years or older who continued visiting internal medicine physicians for at least 1 year were included. The primary outcome was the prescription of cold combination products by any physicians in National Hospital Organization Tochigi Medical Center during a 1-year follow-up. RESULTS: Seven hundred fifty-six patients were included. The mean age was 75.4 years, 392 (51.9%) were men, the mean Charlson Comorbidity Index was 1.8, and the mean number of medications was 4.9. The proportion of patients who were prescribed cold combination products during the 1-year follow-up was 6.1% (95% confidence interval 4.4-7.8%). The prescription of cold combination products was not significantly associated with age (p = 0.11) or Charlson Comorbidity Index (p = 0.93) but was associated with an increasing number of medications (p < 0.001). A substantial proportion of older ambulatory patients were exposed to cold combination products during a 1-year follow-up. PMID- 29221490 TI - The first detected airline introductions of yellow fever mosquitoes (Aedes aegypti) to Europe, at Schiphol International airport, the Netherlands. AB - BACKGROUND: Air-borne introduction of exotic mosquitoes to Schiphol airport in the Netherlands has been considered plausible based upon findings of mosquitoes in aircraft cabins during 2008, 2010 and 2011. Beginning in 2013, surveillance efforts at Schiphol had focused on promptly detecting accidental introductions at the airport facilities in order to quickly react and avoid temporary proliferation or establishment of mosquito populations, identify the origin of the introductions, and avoid potential transmission of vector-borne diseases. METHODS: BG-Mosquitaire mosquito traps were set at the most likely locations for arrival of the invasive Aedes mosquitoes as part of the mosquito monitoring program at Schiphol airport. Samples were collected bi-weekly. Upon detection of exotic specimens, information about the origin of the flights arriving to the particular location at the airport where specimens were captured was requested from airport authorities. The GIS tool Intersect was then used to identify airports of origin common to positive trapping locations during the specific trapping period. Captured Aedes aegypti mosquitoes were subsequently genotyped at 12 highly polymorphic microsatellite markers and compared to a reference database of 79 populations around the world to further narrow down their location of origin. RESULTS: In 2016, six adult yellow fever mosquitoes were captured indoors and outdoors at the airport of Schiphol in the Netherlands confirming, for the first time, air-borne transport of this mosquito vector species into Europe. Mosquitoes were captured during three time periods: June, September and October. Containers carried by aircrafts are considered the most likely pathway for this introduction. GIS analysis and genetic assignment tests on these mosquitoes point to North America or the Middle East as possible origins, but the small sample size prevents us from reliably identifying the geographic origin of this introduction. CONCLUSIONS: The arrival of Ae. aegypti mosquitoes to Schiphol airport from flights arriving from overseas, demonstrates the potential risk of international flights to public health as carriers of arthropod vectors of disease. The results strongly suggest that disinsection of containers and their storage compartments inside the aircrafts could contribute to preventing future introductions of mosquito vectors. Invasive mosquito species introduced by aircrafts from overseas could become seasonally established during the warmer months in Europe, or permanently in certain climatically suitable areas for the species, with major consequences for human health. PMID- 29221492 TI - Elevated serum beta2-microglobulin in individuals coinfected with hepatitis B and hepatitis D virus in a rural settings in Southwest Nigeria. AB - OBJECTIVE: Coinfection of hepatitis B virus (HBV) with hepatitis D virus (HDV) has being reported to increase severity of progression to hepatocellular carcinoma (HCC) and liver cirrhosis (LC). Beta microglobulin (2betaM) which is present on the surfaces of blood cells in acceptable levels is a tumor marker which may become elevated in disease conditions. This study hence observed the prevalence of HBV and HDV coinfection in a rural population and their 2betaM concentration. RESULTS: Of the 368 samples, 66 (17.9%) were positive to hepatitis B surface antigen (HBsAg) and 33 (50%) were coinfected with HDV, 8 (2.1%) were monoinfected with HDV. 2betaM concentration increased beyond the normal level in individuals coinfected with HBV and HDV as compared with the monoinfected individuals. Coinfection resulted in the increased concentration of 2betaM in HBV and HDV coinfection and the likelihood of progression to HCC and LC may not be ruled out. Monoinfection with HDV also had high 2betaM concentration but this is due to having being infected with a non-detected HBV or chronic infection in which HBV is clearing. PMID- 29221491 TI - A phase III randomized trial of gantenerumab in prodromal Alzheimer's disease. AB - BACKGROUND: Gantenerumab is a fully human monoclonal antibody that binds aggregated amyloid-beta (Abeta) and removes Abeta plaques by Fc receptor-mediated phagocytosis. In the SCarlet RoAD trial, we assessed the efficacy and safety of gantenerumab in prodromal Alzheimer's disease (AD). METHODS: In this randomized, double-blind, placebo-controlled phase III study, we investigated gantenerumab over 2 years. Patients were randomized to gantenerumab 105 mg or 225 mg or placebo every 4 weeks by subcutaneous injection. The primary endpoint was the change from baseline to week 104 in Clinical Dementia Rating Sum of Boxes (CDR SB) score. We evaluated treatment effects on cerebrospinal fluid biomarkers (all patients) and amyloid positron emission tomography (substudy). A futility analysis was performed once 50% of patients completed 2 years of treatment. Safety was assessed in patients who received at least one dose. RESULTS: Of the 3089 patients screened, 797 were randomized. The study was halted early for futility; dosing was discontinued; and the study was unblinded. No differences between groups in the primary (least squares mean [95% CI] CDR-SB change from baseline 1.60 [1.28, 1.91], 1.69 [1.37, 2.01], and 1.73 [1.42, 2.04] for placebo, gantenerumab 105 mg, and gantenerumab 225 mg, respectively) or secondary clinical endpoints were observed. The incidence of generally asymptomatic amyloid-related imaging abnormalities increased in a dose- and APOE epsilon4 genotype-dependent manner. Exploratory analyses suggested a dose-dependent drug effect on clinical and biomarker endpoints. CONCLUSIONS: The study was stopped early for futility, but dose-dependent effects observed in exploratory analyses on select clinical and biomarker endpoints suggest that higher dosing with gantenerumab may be necessary to achieve clinical efficacy. TRIAL REGISTRATION: ClinicalTrials.gov, NCT01224106 . Registered on October 14, 2010. PMID- 29221493 TI - Caring for a cerebral palsy child: a caregivers perspective at the University Teaching Hospital, Zambia. AB - BACKGROUND: Cerebral palsy is a major cause of disability and most survivors are left with residual disability and are dependent on parents/caregivers for essential care. This study aimed to determine the experiences of parents/caregivers of cerebral palsy children receiving out-patient physiotherapy. A concurrent mixed methods was used to collect data in the present study. The modified caregiver strain index (MCSI-13) was used to detect Disturbed sleep, Inconvenient/Tiresome, Physical strain, Confining, Family changes, Changes in personal plan, Other demands, Emotional adjustments, Upsetting behavior, Patient has changed, Work adjustments, Financial Strain and Feeling Overwhelmed (strain morbidity) in 25 parents/caregivers of CP children. A purposive sample of 25 parents/caregivers was selected for both the quantitative part and qualitative part of the study. The study was conducted at Community Based Intervention Association Out-patients at the University Teaching Hospital in Lusaka, Zambia. The MCSI was used to collect quantitative data and in-depth interviews provided the qualitative data. RESULTS: The median age of the participants was 33.6 years and a range of 27 to 50 years. The study sample consisted of more females (92%) than males (8%). being overwhelmed and inconvenient/tiresome followed by family adjustments and work adjustment 72 and 68% respectively for each were the experiences mostly highlighted by the parents/caregivers in this study. When it came to the needs of the parents/caregivers more than half of them needed help with caring. To this effect participants expressed their perception; one mother had this to say, "...I need someone to help in caring. Sometimes I need to do some other things but can't, because if I do then no one will remain with the child...". CONCLUSION: This study point out to some evidence that the burden inflicted on those caring for children with cerebral palsy should be addressed if the quality of care for those with cerebral palsy is to be improved. PMID- 29221494 TI - Factors associated with the achievement of cervical smears by general practitioners. AB - OBJECTIVE: Reliable data about general practitioners performing pap-tests are insufficient. A claim code for the achievement of pap-smears exists in France, but its use by general practitioners is not known. The main purpose of this study was to highlight independent factors associated with the achievement of pap smears by the general practitioner (GP). We carried out a descriptive and analytic epidemiologic study in 347 GPs and their 244,889 patients, registered at the Health Care Insurance Fund of Flanders. The European Deprivation Index (EDI) in the area of GP's surgeries was specified. All GPs were questioned by telephone about their performance of pap-tests. The claim database of the insurance fund was analyzed to describe characteristics of GPs. RESULTS: The answer rate among questioned GPs was 98.8%. Pap-smears were performed in their surgeries by 182 GPs (53.1%). Among males, 45.7% performed pap-smears versus 78.4% of the female (adjusted odds-ratio = 4.5, p < 0.001). The mean rate of screened women in the target population was 44% when GPs were performing smears versus 42% when they were not (adjusted odds-ratio = 1.04, p = 0.03). Only 19.5% of GPs used the claim code. The number of patients, and the EDI were not associated with pap-smears. Trial registration ClinicalTrials.gov NCT02749110 (April 22, 2016). PMID- 29221495 TI - Bivariate longitudinal data analysis: a case of hypertensive patients at Felege Hiwot Referral Hospital, Bahir Dar, Ethiopia. AB - OBJECTIVE: Longitudinal data are often collected to study the evolution of biomedical markers. The study of the joint evolution of response variables concerning hypertension over time was the aim of this paper. A hospital based retrospective data were collected from September 2014 to August 2015 to identify factors that affect hypertensive. The joint mixed effect model with unstructured covariance was fitted. A total of 172 patients screened for antihypertensive drugs treated were longitudinally considered from Felege Hiwot referral. RESULTS: The joint mixed effect model with unstructured covariance (AIC: 12,236.9 with [Formula: see text] = 1007.8, P < 10-4) was significantly best fit to the data. The correlation between the evolutions of DBP and SBP was 0.429 and the evolution of the association between responses over-time was found 0.257. Among all covariates included in joint-mixed-effect-models, sex, residence, related disease and time were statistically significant on evolution of systolic and diastolic blood pressure. The joint modeling of longitudinal bivariate responses is necessary to explore the association between paired response variables like systolic and diastolic blood pressure. Fitting joint model with modern computing method is recommended to address questions for association of the evolutions with better accuracy. PMID- 29221497 TI - Low serum ferritin and G6PD deficiency as potential predictors of anaemia in pregnant women visiting Prime Care Hospital Enugu Nigeria. AB - OBJECTIVES: Though iron deficiency is known to be a major risk factor of anaemia, the association of G6PD deficiency and malaria with anaemia still remains unclear. Hence, a cross-sectional study involving 95 pregnant women visiting Prime Care Hospital in Trans-Ekulu region of Enugu Nigeria was conducted to determine possible predictors of anaemia in pregnancy. RESULTS: The prevalence of anaemia, malaria and G6PD deficiency were 53.7, 12.6 and 60% respectively. Low serum ferritin (OR 5.500, CI 2.25-13.42, p < 0.05) and G6PD deficiency (OR 0.087, CI 0.03-0.23, p < 0.05) were associated with anaemia in pregnancy. On the other hand, malaria did not significantly associate (OR 1.184, CI 0.35-3.97, p = 0.964) with anaemia in pregnant women. These findings showed high prevalence of anaemia among pregnant women with low serum ferritin level and G6PD deficiency as high risk factors of anaemia. PMID- 29221496 TI - Does intensive management improve remission rates in patients with intermediate rheumatoid arthritis? (the TITRATE trial): study protocol for a randomised controlled trial. AB - BACKGROUND: Uncontrolled active rheumatoid arthritis can lead to increasing disability and reduced quality of life over time. 'Treating to target' has been shown to be effective in active established disease and also in early disease. However, there is a lack of nationally agreed treatment protocols for patients with established rheumatoid arthritis who have intermediate disease activity. This trial is designed to investigate whether intensive management of disease leads to a greater number of remissions at 12 months. Levels of disability and quality of life, and acceptability and cost-effectiveness of the intervention will also be examined. METHODS: The trial is a 12-month, pragmatic, randomised, open-label, two-arm, parallel-group, multicentre trial undertaken at specialist rheumatology centres across England. Three hundred and ninety-eight patients with established rheumatoid arthritis will be recruited. They will currently have intermediate disease activity (disease activity score for 28 joints assessed using an erythrocyte sedimentation rate of 3.2 to 5.1 with at least three active joints) and will be taking at least one disease-modifying anti-rheumatic drug. Participants will be randomly selected to receive intensive management or standard care. Intensive management will involve monthly clinical reviews with a specialist health practitioner, where drug treatment will be optimised and an individualised treatment support programme delivered based on several principles of motivational interviewing to address identified problem areas, such as pain, fatigue and adherence. Standard care will follow standard local pathways and will be in line with current English guidelines from the National Institute for Health and Clinical Excellence. Patients will be assessed initially and at 6 and 12 months through self-completed questionnaires and clinical evaluation. DISCUSSION: The trial will establish whether the known benefits of intensive treatment strategies in active rheumatoid arthritis are also seen in patients with established rheumatoid arthritis who have moderately active disease. It will evaluate both the clinical and cost-effectiveness of intensive treatment. TRIAL REGISTRATION: Current Controlled Trials, ID: ISRCTN70160382 . Registered on 16 January 2014. PMID- 29221498 TI - Influence of community-based education on undergraduate health professions students' decision to work in underserved areas in Uganda. AB - BACKGROUND: Uganda is beset by a shortage of health workers and the few available are mal-distributed. Providing rural exposure through community-based education could positively influence students' perspectives towards work in rural areas. We aimed to assess the impact of Community-Based Education and Research (COBERS) on health professions students' attitudes towards working in rural areas. This was a before-and-after study among 525 students of 4 medical universities in Uganda. Data was collected using self-administered paper-based questionnaires. Logistic regression and Poisson regression respectively were used to assess intention and intended number of years of work in rural areas. RESULTS: Before COBERS, 228/518 (44.0%) students indicated that they intended to work in rural areas as compared to 245/506 (48.4%) after the COBERS placement. Before the COBERS placement, the factors that were associated with students considering to work in a rural area were: extra allowance (OR = 0.2; 95% CI 0.1-0.6), and availability of social amenities (OR = 0.2; 95% CI 0.1-0.7). After their COBERS placement, the factors were: access to long distance courses (OR = 2.0; 95% CI 1.0-3.7) and being posted to a facility in a rural area (OR = 15.0; 95% CI 6.5-35.5). Before the COBERS placement the factors that influenced how long students thought they would be willing to work in a rural environment were: reliable electricity (IRR = 0.6; 95% CI 0.3-1.0) and Internet (IRR = 1.5; 95% CI 1.0-2.3), high salary (IRR = 0.4; 95% CI 0.3-0.7), and having skills to practice in rural settings (IRR = 2.0; 95% CI 1.3-3.1). Reliable electricity (IRR = 0.5; 95% CI 0.3-0.8) and long distance courses (IRR = 2.1; 95% CI 1.4-3.1) were significant motivators after having undergone the COBERS placement. CONCLUSIONS: The majority of health professions students do not intend to work in rural areas after they graduate. Improving the welfare of health professionals working in rural areas could attract more health professionals to rural areas thus addressing the maldistribution of health workers in Uganda. PMID- 29221500 TI - Analysis of Naturally Occurring Resistance-Associated Variants to NS3/4A Protein Inhibitors, NS5A Protein Inhibitors, and NS5B Polymerase Inhibitors in Patients With Chronic Hepatitis C. AB - The first NS3/4A hepatitis C virus (HCV) protease inhibitors telaprevir and boceprevir were approved in 2011, and both NS5A and NS5B polymerase inhibitors were launched. Recently, direct-acting antivirals (DAAs) have had a major impact on patients infected with HCV. HCV DAAs are highly effective antivirals with fewer side effects. DAAs have been developed for the treatment of HCV infection in combination with PEG-IFN-alpha/RBV as well as in IFN-free regimens. However, some drug resistance mutations occur when a single oral DAA is used for treatment, which indicates that there is a low-frequency drug resistance mutation in HCV patients before the application of antiviral drugs. Our research showed that natural resistance to HCV DAAs was found in treatment-naive CHC patients and that the drug resistance mutation rates differ in various HCV genotypes. Many challenges posed by natural resistance should be considered in the context of DAA therapies. PMID- 29221499 TI - An unusual osteoma in the mandibular condyle and the successful replacement of the temporomandibular joint with a custom-made prosthesis: a case report. AB - BACKGROUND: An osteoma is a benign tumor of bone with unknown etiology and is considered rare, mostly restricted to the craniofacial skeleton. CASE PRESENTATION: This case report describes an uncommon condylar osteoma in a 67 years old white female patient with laterognathism to the left side, limited mouth opening, aesthetic change and pain associated with the right temporomandibular joint (TMJ). The histopathological examination confirmed osteoma. The lesion was surgically excised and immediate reconstruction was carried out using a custom-made total TMJ prosthesis. The patient has been in follow-up for 2 years, with no symptoms. CONCLUSIONS: Unilateral total TMJ prosthesis can be considered to replacement of TMJ after osteoma excision with resection of the condyle. PMID- 29221501 TI - Lean Methodology Reduces Inappropriate Use of Antipsychotics for Agitation at a Psychiatric Hospital. AB - OBJECTIVE: To Evaluate the Effects of Applying Lean Methodology-Improving Quality Increasing Efficiency by Eliminating Waste and Reducing Costs-An Approach To Decrease the Prescribing Frequency of Antipsychotics for The Indication of Agitation. DESIGN: Historically Controlled Study. SETTING: Bheppard Pratt Health System is the Largest Private Provider of Psychiatric Care in Maryland With a Total Bed Capacity of 300. There Were 4 337 Patient Days From November 1 2012 to October 31 2013 on the Dementia Unit. PATIENTS: All Patients Admitted on the Dementia Unit Were 65 Years of Age and Older with a Primary Diagnosis of Dementia. INTERVENTION: our Multidisciplinary Team Used Lean Methodology to Identify the Root Causes and Interventions Necessary to Reduce Inappropriate Antipsychotic Use. MAIN OUTCOME MEASURES: The Primary Outcome Was Rate of Inappropriately Indicating Agitation as the Rationale When Prescribing Antipsychotic Medications. RESULTS: There Was a 90% (P < 0.001) Reduction in Rate Of Antipsychotic Prescribing with an Indication of Agitation. CONCLUSION: The Lean Methodology Interventions Led To A 90% (P < 0.001) Reduction in the Rate of Antipsychotic Prescribing with an Indication of Agitation and a 10% Rate Reduction in Overall Antipsychotic Prescribing. Key Words: Agitation Alzheimer's Antipsychotics Behavioral and Psychological Symptoms of Dementia Centers For Medicare & Medicaid Services Dementia Root-cause Analysis. ABBREVIATIONS: BPSD = Behavioral and Psychological Symptoms of Dementia CATIE-AD = Clinical Antipsychotic Trials of Intervention Effectiveness in Alzheimer's Disease EMR = Electronic Medical Records GAO = Government Accountability Office GNCIS = Geriatric Neuropsychiatric Clinical Indicator Scale. PMID- 29221502 TI - Impact of Cardiorespiratory Fitness on Frequency of Atrial Fibrillation, Stroke, and All-Cause Mortality. AB - Benefits of cardiorespiratory fitness on cardiovascular health are well recognized, but the impact on incidence of atrial fibrillation (AF) and stroke, and, particularly, risk of stroke and mortality in patients with AF is less clear. From 1993 to 2010, patients referred for a treadmill exercise test (TMET) at the Mayo Clinic Rochester, MN, were retrospectively identified (N = 76,857). From this, 14,094 local residents were selected. Exclusions were age <18 years; history of heart failure, structural or valvular heart disease, AF or flutter, or stroke. Subjects were divided into 4 groups at baseline based on quartiles of functional aerobic capacity (FAC) and followed through January 2016. The final study cohort included 12,043 patients. During median follow-up of 14 (9 to 17) years, 1,222 patients developed incident AF, 1,128 developed stroke, and 1,590 patients died. Each 10% increase in FAC was associated with decreased risk of incident AF, stroke, and mortality by 7% (0.93 [0.91 to 0.96, p < 0.001]), 8% (0.92 [0.89 to 0.94, p < 0.001]), and 16% (0.84 [0.82 to 0.86, p < 0.001]), respectively. In patients who developed incident AF with baseline FAC <75% versus >=105%, risks of both stroke (1.40 [1.04 to 1.90, p = 0.01]) and mortality (3.20 [2.11 to 4.58, p < 0.001]) were significantly higher. In conclusion, better cardiorespiratory fitness is associated with lower risk of incident AF, stroke, and mortality. Similarly, risk of stroke and mortality in patients with AF is also inversely associated with cardiorespiratory fitness. PMID- 29221503 TI - Editorial. PMID- 29221504 TI - A social identity analysis of responses to economic inequality. AB - Even though there is growing awareness that economic inequality is harmful for people's health, the way that such inequality affects social behavior and political attitudes remains poorly understood. Moving beyond a focus on the health and well-being costs of income inequality, we review research that examines how economic inequality shapes dynamics between groups within societies, addressing the questions why, when, and for whom inequality affects social behavior and political attitudes. On the basis of classic social identity theorizing, we develop five hypotheses that focus on the way inequality shapes the fit of wealth categorizations (H1), intergroup relations (H2), and stereotypes about wealth groups (H3). We also theorize how the effects of inequality are moderated by socio-structural conditions (H4) and socio-economic status (H5). Together, these hypotheses provide a theoretically informed account of the way in which inequality undermines the social fabric of society and negatively affects citizen's social and political behavior. PMID- 29221505 TI - The politics of socioeconomic status: how socioeconomic status may influence political attitudes and engagement. AB - Socioeconomic status is hypothesized to be one factor informing political attitudes and actions. Presumably, this relationship is rooted in economic self interest, with individuals preferring policies that would benefit them financially. In addition, these economic policy preferences are assumed to translate into political action. However, the relationships between socioeconomic status and political attitudes and behavior, as well as the psychological mechanisms associated with those relationships, are not straightforward. Here, we briefly review the current state of knowledge on the relationships between socioeconomic status and political attitudes and behavior. Overall, the research suggests that while socioeconomic status informs political attitudes toward economic policies, these attitudes may not correlate with complementary political behavior. PMID- 29221506 TI - Inequality and well-being. AB - Income inequality is on the rise across the globe - an increasingly small portion of individuals control an increasingly large portion of wealth. Importantly, this inequality is associated with lower levels of happiness for citizens. In this paper, we review evidence regarding the psychological nature of this relationship. We examine central mechanisms that explain the link between income inequality and subjective well-being, including anxiety from status competition, mistrust, and hopes and fears about the future. We stress that perceptions of inequality matter as much as objective measures for well-being. Finally, we suggest some potential areas for future research regarding inequality and happiness and advise that this body of work be considered when developing and evaluating relevant policies. PMID- 29221507 TI - (Mis)perceptions of inequality. AB - Laypeople's beliefs about the current distribution of outcomes such as income and wealth in their country influence their attitudes toward issues ranging from taxation to healthcare - but how accurate are these beliefs? We review the burgeoning literature on (mis)perceptions of inequality. First, we show that people on average misperceive current levels of inequality, typically underestimating the extent of inequality in their country. Second, we delineate potential causes of these misperceptions, including people's overreliance on cues from their local environment, leading to their erroneous beliefs about both the overall distributions of wealth and income and their place in those distributions. Third, we document that these (mis)perceptions of inequality - but not actual levels of inequality - drive behavior and preferences for redistribution. More promisingly, we review research suggesting that correcting misperceptions influences preferences and policy outcomes. PMID- 29221508 TI - Social power and social class: conceptualization, consequences, and current challenges. AB - This article offers a primer on social power and social class with respect to their theoretical importance, conceptual distinction, and empirical relationship. We introduce and define the constructs of social power, social class, and one's psychological sense of power. We next explore the complex relationship between social power and social class. Because social class can produce a sense of power within an individual, studies on social power can inform theory and research on social class. We conclude with a discussion of the current challenges and future opportunities for the study of social power and social class. PMID- 29221509 TI - The consequences of economic threat for motivated social cognition and action. AB - Economic threat (e.g., low or precarious socio-economic status) motivates social psychological responses to restore or maintain a sense of control and self esteem, thwarted under conditions of personal or collective economic crisis. We review recent research showing that these processes elicit personal or collective attitudes and action tendencies that may either contribute to alleviate the source of the threat (e.g., collective action toward equality) or to be merely palliative (e.g., displaced intergroup conflict, ethnic prejudice). Further research should focus more on testing the motivational processes underlying the effects of economic threat. PMID- 29221510 TI - Theory from the South: a decolonial approach to the psychology of global inequality. AB - Hegemonic understandings rooted in the epistemic perspectives of the Global North explain global inequality (i.e., unequal relations between Global North and South) as a developmental gap in progress toward Eurocentric modernity. From this perspective, global inequality exists because Northern societies have created modern institutions and mentalities (e.g., independent selfways) that have enabled them to achieve development, and Southern societies suffer from poverty because their institutions and associated mentalities (e.g., interdependent selfways) retard development. In contrast, a decolonial standpoint, rooted in epistemic perspectives of the Global South, emphasizes the coloniality of modern individualist mentalities: the extent to which they reflect and reproduce colonial violence. From this perspective, modern individualist mentalities are a source, rather than solution, of global inequality, and a more equitable world requires cultivation of mentalities attuned to the interdependence of everyday life. PMID- 29221511 TI - How social-class stereotypes maintain inequality. AB - Social class stereotypes support inequality through various routes: ambivalent content, early appearance in children, achievement consequences, institutionalization in education, appearance in cross-class social encounters, and prevalence in the most unequal societies. Class-stereotype content is ambivalent, describing lower-SES people both negatively (less competent, less human, more objectified), and sometimes positively, perhaps warmer than upper-SES people. Children acquire the wealth aspects of class stereotypes early, which become more nuanced with development. In school, class stereotypes advantage higher-SES students, and educational contexts institutionalize social-class distinctions. Beyond school, well-intentioned face-to-face encounters ironically draw on stereotypes to reinforce the alleged competence of higher-status people and sometimes the alleged warmth of lower-status people. Countries with more inequality show more of these ambivalent stereotypes of both lower-SES and higher SES people. At a variety of levels and life stages, social-class stereotypes reinforce inequality, but constructive contact can undermine them; future efforts need to address high-status privilege and to query more heterogeneous samples. PMID- 29221512 TI - Social class and prosocial behavior: current evidence, caveats, and questions. AB - This review synthesizes research on social class and prosocial behavior. Individuals of lower social class display increased attention to others and greater sensitivity to others' welfare compared to individuals of higher social class, who exhibit more self-oriented patterns of social cognition. As a result, lower-class individuals are more likely to engage in other-beneficial prosocial behavior, whereas higher-class individuals are more prone to engage in self beneficial behavior. Although the extant evidence indicates that higher social class standing may tend to undermine prosocial impulses, we propose that the effects of social class on prosocial behavior may also depend on three crucial factors: motivation, identity, and inequality. We discuss how and why these factors may moderate class differences in prosociality and offer promising lines of inquiry for future research. PMID- 29221513 TI - Life Expectancy, Causes of Death, Risk Factors in China and the U.S. PMID- 29221514 TI - Yield of Brain MRI in Clinically Diagnosed Epilepsy in the Kingdom of Bhutan: A Prospective Study. AB - BACKGROUND: People with epilepsy (PWE) in low- and middle-income countries may not access the health resources that are considered optimal for epilepsy diagnosis. The diagnostic yield of magnetic resonance imaging (MRI) has not been well studied in these settings. OBJECTIVES: To report the diagnostic yield of brain MRI and identify clinical associations of abnormal MRI findings among PWE in a neurocysticercosis-endemic, resource-limited setting and to identify the proportion and putative structural brain causes of drug-resistant epilepsy. METHODS: PWE were prospectively enrolled at the Jigme Dorji Wangchuck National Referral Hospital in Bhutan (2014-2015). Each participant completed clinical questionnaires and a 1.5-Tesla brain MRI. Each MRI was reviewed by at least 1 radiologist and neurologist in Bhutan and the United States. A working definition of drug-resistant epilepsy for resource-limited settings was given as (a) seizures for >1 year, (b) at least 1 seizure in the prior year, and (c) presently taking 2 or more antiepileptic drugs (AEDs). Logistic regression models were constructed to test the cross-sectional association of an abnormal brain MRI with clinical variables. FINDINGS: A total of 217 participants (125 [57%] female; 54 [25%] < 18 years old; 199 [92%] taking AEDs; 154 [71%] with a seizure in the prior year) were enrolled. There was a high prevalence of abnormal brain MRIs (176/217, 81%). Mesial temporal sclerosis was the most common finding (n = 115, 53%, including 24 children), exceeding the number of PWE with neurocysticercosis (n = 26, 12%, including 1 child) and congenital/perinatal abnormalities (n = 29, 14%, including 14 children). The number of AEDs (odds ratio = .59, P = .03) and duration of epilepsy (odds ratio = 1.11, P = .02) were significantly associated with an abnormal MRI. Seizure in the prior month was associated with the presence of mesial temporal sclerosis (odds ratio = .47, P = .01). A total of 25 (12%) participants met our definition of drug-resistant epilepsy, with mesial temporal sclerosis (n = 10), congenital malformations (n = 5), and neurocysticercosis (n = 4) being the more common findings. CONCLUSIONS: The prevalence of abnormalities on brain MRI for PWE in resource-limited settings is high as a result of a diffuse range of etiologies, most commonly mesial temporal sclerosis. Drug resistant epilepsy accounted for 12% of the referral population in a conservative estimation. PMID- 29221516 TI - Transculturalizing Diabetes Prevention in Latin America. AB - BACKGROUND: Type 2 diabetes (T2D) imposes a heavy burden in developing countries, requiring effective primary prevention policies. Randomized clinical trials have identified successful strategies in T2D prevention. However, translating these results to real-life scenarios and adapting to ethnocultural differences is a major challenge. Transculturalization allows incorporating cultural factors to diabetes prevention strategies to optimize implementation of clinical trials results. The purpose of this paper is to review the transcultural adaptations developed for T2D prevention in Latin America (LA). METHODS: A comprehensive literature review spanning 1960-2016 was performed, using "Diabetes," "Latin America," "Prevention," "Screening," and "Tools" as key words. RESULTS: Two major tasks are underway in LA: adaptation of screening tools for high-risk individuals, and implementation of diabetes prevention programs. The Finnish Diabetes Risk Score (FINDRISC) is the most widely used screening tool to detect new cases of T2D and people with prediabetes, and it has been adapted (LA FINDRISC) to include the waist circumference cutoff values appropriate for LA population (>=94 cm for men and >=90 cm for women). The validation of the LA FINDRISC performance depends on the local characteristics. A LA-FINDRISC score >10 may be the best cutoff to identify individuals with impaired glucose regulation in population-based studies, but a higher score (>12-14) might be more appropriate in a clinical setting. A shorter version of the FINDRISC using only the 4 variables with highest impact has been developed and validated in Colombia (ColDRISC). The translation of the Diabetes Prevention Program study in a Latino population in Venezuela found a significant improvement in cardiometabolic risk factors. An adaptation of the Diabetes Prevention Study in the DEMOJUAN study in Barranquilla, Colombia, reduced 2-hour postload glucose. CONCLUSION: Successful transculturalization strategies have been implemented in screening tools and prevention programs in LA. PMID- 29221515 TI - Socioeconomic Disparities in the Prevalence of Cardiometabolic Risk Factors in Ghanaian Women. AB - BACKGROUND: Recent trends toward urbanization in developing countries like Ghana, coupled with nutritional transition and aging populations, have led to a rapid increase in the prevalence of noncommunicable diseases such as obesity, diabetes, and hypertension. The purpose of this study was to evaluate the association between socioeconomic status and cardiometabolic risk factors among women in Ghana. METHODS: Data for this analysis were obtained from Wave 1 of the Ghana Study of Global Aging and Health, conducted in 2007, and included women 18 years and older. Survey weighted descriptive and multivariable linear regression models were used to examine the association between socioeconomic status and cardiometabolic risk factors. RESULTS: Among a total of 1988 women, 48% ages 40 64 years, almost half were overweight or obese (47%) and 21% had current hypertension, whereas only 4.3% and 2% of women self-reported a history of hypertension and diabetes, respectively. Multivariable adjusted analysis indicated that women with a high school education had 2-fold increased odds of being overweight or obese compared with those with no formal education (odds ratio [OR]: 2.02, 95% confidence interval [CI]: 1.20-3.42). Women employed in the public sector had almost a 5 times higher odds of being overweight or obese (OR: 4.94, 95% CI: 1.42-17.15), whereas those employed in the private sector or self employed had reduced odds of diabetes (OR: 0.27, 95% CI: 0.10-0.70) and hypertension (OR: 0.43, 95% CI: 0.21-0.86). CONCLUSION: The prevalence of cardiometabolic risk factors varies by socioeconomic status among Ghanaian women. Targeted intervention programs to reduce overweight and obesity may begin among Ghanaian women employed in the public sector, and improved access to health care will be critical for timely diagnosis and management of other disease risk factors. PMID- 29221517 TI - Urban-Rural Disparity in Helicobacter Pylori Infection-Related Upper Gastrointestinal Cancer in China and the Decreasing Trend in Parallel with Socioeconomic Development and Urbanization in an Endemic Area. AB - BACKGROUND: Globally China has the largest urban-rural disparity in socioeconomic development, and the urban-rural difference in upper gastrointestinal cancer (UGIC) is similar to the difference between developed and developing countries. OBJECTIVES: To describe urban-rural disparity in UGIC and to emphasize prevention by socioeconomic development and urbanization in China. METHODS: Age-standardized incidence rates (ASRs) of cancers in 2012 were compared between urban Shijiazhuang city and rural Shexian County, and trends from 2000-2015 in Shexian County were analyzed. FINDINGS: Compared with urban Shijiazhuang city, the ASR of gastroesophageal cancers in rural Shexian County was 5.3 times higher in men (234.1 vs 44.2/100,000, P < .01) and 9.1 times higher in women (107.7 vs 11.8/100,000, P < .01). This rural-urban disparity in UGIC is associated with differences in socioeconomic development in annual gross domestic product (GDP) per capita of US$2700 vs US$6965, in urbanization rate of 48% vs 100%, and in adult Helicobacter pylori infection prevalence of 75% vs 50%. From 2000-2015, the GDP per capita in Shexian County increased from US$860 to US$3000, urbanization rate increased from 22.4% to 54.8%, and prevalence of H pylori infection among 3- to 10-year-old children decreased from 60% to 46.1% (P < .01). Meanwhile, the biennial ASR of esophagogastric cancer decreased 42% in men, from 313.5 to 182.1 per 100,000 (P < .01), and 57% in women, from 188.6 to 80.4 per 100,000 (P = .00). However, lung, colorectal, and gallbladder cancers and leukemia in both sexes and breast, ovary, thyroid, and kidney cancer in women increased significantly. Despite this offset, ASR of all cancers combined decreased 25% in men (from 378.2 to 283.0/100,000, P = .00) and 19% in women (from 238.5 to 193.6/100,000, P = .00). CONCLUSIONS: Urban-rural disparity in UGIC is related to inequity in socioeconomic development. Economic growth and urbanization is effective for prevention in endemic regions in China and should be a policy priority. PMID- 29221518 TI - Measuring Healthy Lifestyle and Mental Health Indicators in South Asian Women Using the "Your Health: Quality of Life and Well-Being" Questionnaire. AB - INTRODUCTION: Health is a state of complete physical, mental, and social well being and not merely the absence of disease or infirmity. A literature review has revealed that there is no specific questionnaire available to assess well-being within the community. METHODS: Fifty South Asian women were randomly selected to complete the "Your Health: Quality of Life and Well-being Questionnaire" assessing diet, lifestyle, and mental health among others. Data from the questionnaires was extracted and participants were categorised based on these findings. RESULTS: This tool has positively identified a number of key risk factors for poor health, symptoms associated with mental illness, and the burden of comorbidities within the assessed cohort. Sixty-three percent of the women had an unhealthy body mass index (BMI), over half did not know the maximum limit of salt per day, and almost one-fourth had multiple health conditions. CONCLUSIONS: This questionnaire is an effective tool to use within the community. There is a significant burden of obesity, complicated by poor lifestyle habits and significant mood and anxiety symptoms within the studied South Asian population. PMID- 29221519 TI - Addressing Noncommunicable Disease on Short-Term Medical Trips: A Longitudinal Study of Hypertension Treatment in Santo Domingo. AB - BACKGROUND: Noncommunicable diseases (NCDs) are the leading cause of mortality worldwide and pose complex challenges in developing nations. Short-term medical trips, which often operate independently of government and pharmaceutical companies, are in a unique position to address NCDs in developing nations. In 2010, the Dominican Aid Society of Virginia shifted the focus of their semiannual clinic to addressing NCDs in Paraiso, Santo Domingo. OBJECTIVE: This study analyzes the longitudinal impact of a short-term medical trip on the control of hypertension in their patient population. METHODS: Returning patients were identified through a review of medical records from 2014 and 2016. A sample of patients who only visited in either 2014 or 2016 were matched on sex and age and served as an internal comparison group. A generalized linear mixed model was applied to assess changes in blood pressure, the proportion of patients receiving blood pressure treatment, and the intensity of blood pressure treatment within and between returning and new patients over the study period. FINDINGS: There was a significant decrease in diastolic blood pressure within returning patients. Change in systolic blood pressure was significantly different between returning and new patients, with improvement in returning patients. There was a significant increase in the proportion of new patients receiving blood pressure treatment and a higher intensity of blood pressure treatment over time. The change in the proportion of patients receiving blood pressure treatment in the new patient group was significantly higher than that of the returning patient group. CONCLUSIONS: Short-term medical trips with a recurrent presence in a community may improve control of hypertension and other NCDs in developing nations. Further research into the impact that short-term medical trips may have on NCDs is needed. PMID- 29221520 TI - Disability Characteristics of Community-Based Rehabilitation Participants in Kayunga District, Uganda. AB - BACKGROUND: Approximately 80% of individuals with disability reside in low- and middle-income countries where community-based rehabilitation (CBR) has been used as a strategy to improve disability. However, data relating to disability severity among CBR beneficiaries in low-income countries like Uganda remain scarce, particularly at the community or district level. OBJECTIVES: To describe severity of disability and associated factors for persons with physical disabilities receiving CBR services in the Kayunga district of Uganda. METHODS: A cross-sectional sample of 293 adults with physical disabilities receiving a CBR service in the Kayunga district was recruited. Disability severity was measured using the 12-item World Health Organization Disability Assessment Schedule 2.0 (WHODAS2.0), and analyzed as a binary outcome (low: 0-9, high: 10-48). Inferential statistics using odds ratios were used to determine factors associated with impairment severity. FINDINGS: The mean WHODAS 2.0 score of persons with physical disabilities was 12.7 (standard deviation = 8.3). More than half (52.90%) of people with physical disabilities reported a high level of functional impairment. Increased disability severity was significantly associated with limited access to assistive devices (adjusted odds ratio [AOR] = 4.55, 95% confidence interval [CI]: 1.87-14.08, P < .001), and increased use of medical health care (AOR = 5.55, 95% CI: 1.84-16.79, P = .002). CONCLUSION: These findings suggest a high level of moderate to severe functional impairments in persons with physical disabilities receiving CBR in Kayunga district. These data provide support for efforts to enhance CBR's ability to liaise with local health care, education, and community resources to promote access to needed services and ultimately improve the functional status of persons with disabilities in low resource settings. PMID- 29221521 TI - China's Efforts on Management, Surveillance, and Research of Noncommunicable Diseases: NCD Scorecard Project. AB - BACKGROUND: The incidence of noncommunicable diseases (NCDs) is rising dramatically throughout the world. Aspects of researches concerned with the improvement and development of prevention and control of NCDs have been conducted. Furthermore, the influence of most determinants of the major NCDs has showed that a broad and deep response involving stakeholders in different sectors is required in the prevention and control of NCDs. OBJECTIVE: China has experienced an increase in NCDs in a short period compared with many countries. To address the burden of NCDs in China, it is important to learn about the progress that has been made in prevention and control of NCDs in China and worldwide, informed by opinions of stakeholders in different areas. METHODS: In 2014, GRAND South developed the NCD Scorecard instrument to evaluate progress of NCD prevention and control in 23 countries through a 2-round Delphi process. The scorecard included 51 indicators in 4 domains: governance, surveillance and research, prevention and risk factors, and health system response. Stakeholders were then selected in the areas of government, nongovernmental organizations, private sectors, and academia to join the NCD Scorecard survey. Indicators of progress were scored by stakeholders from 0 (no activity), 1 (present but not adequate), and 2 (adequate) to 3 (highly adequate) and then the percentage of progress in each domain was calculated, representing the current situation in each country. FINDINGS: There were 14 indicators in the domains of governance and surveillance and research. Of 429 stakeholders worldwide, 41 in China participated in the survey. China scored in the top 5 out of all participating countries in those 2 domains, scoring 67% in governance and 64% in surveillance and research. Indicators on which China scored particularly well included having a well-resourced unit or department responsible for NCDs, having a strong national system for recording the cause of all deaths, and having a system of NCD surveillance. Areas where China had the greatest need for improvement included increasing taxes on tobacco and addressing the needs of the population older than age 70 dying from major NCDs. CONCLUSION: In China the burden of disease of NCDs and disabilities remains serious, although China has put significant efforts into its governance and surveillance and research. To improve, further action is needed on reducing tobacco consumption, increasing investment in the national health budget, and increasing the focus on system construction. PMID- 29221522 TI - Barriers to Smoking Cessation Among Drug-Resistant Tuberculosis Patients in South Africa. AB - BACKGROUND: Drug-resistant tuberculosis (DR-TB) remains a significant cause of morbidity and mortality. The long-term health effects of smoking and the risk of adverse TB outcomes, including increased periods of infectiousness, have been reported among DR-TB patients in South Africa. OBJECTIVES: This study aimed to identify the barriers to smoking cessation among DR-TB inpatients at a hospital in Durban, South Africa. METHODS: A qualitative design using in-depth interviews with a purposive sample of 20 DR-TB inpatients was employed. The sample included 15 men and 5 women aged 18-70 years who self-identified as smokers. Open-ended questions were used to explore barriers militating against smoking cessation among this sample. Data were analyzed with the aid of the software QSR NVivo10. FINDINGS: Personal and structural-level barriers (factors) to smoking cessation were identified. Personal factors included addiction and non-addiction-related barriers. Addiction-related barriers included smoking history, cravings for a cigarette, smoking as part of a daily routine, and failed quit attempts. Non addiction-related barriers included lack of knowledge about quit strategies, psychosocial stress, lack of the willpower to quit smoking, and the influence of peers. Structural barriers included ineffective health education programs, lack of extramural activities when on admission in hospital leading to a lot of spare time, lack of smoking cessation interventions, and access to cigarettes within and around the hospital environment. Patients expressed interest in smoking cessation and conveyed their frustration at the lack of appropriate support to do so. CONCLUSIONS: The findings reiterate the need for smoking cessation intervention to be incorporated as an integral component of DR-TB management in South Africa. Many patients expressed an interest in pharmacological aids and psychological support to help them to quit smoking. Additionally, offering extramural activities and enforcing smoke-free policies in hospital facilities will help to reduce patients' access to cigarettes while at the hospital. PMID- 29221523 TI - Estimating Effects of Temperature on Dengue Transmission in Colombian Cities. AB - BACKGROUND: Dengue fever is a viral disease that affects tropical and subtropical regions of the world. It is well known that processes related to virus transmission by mosquitoes are highly influenced by weather. Temperature has been described as one of the climatic variables that largely governs the development and survival of mosquito eggs as well as the survival of all insect stages. Previously, we noted that high temperatures in the Colombian city of Riohacha negatively affect the establishment of dengue virus (DENV) infection in mosquitoes; in Bello and Villavicencio cities, which have lower average temperatures, DENV infection rates in mosquitoes are positively associated with a gradual increase in temperature. Here, we test the hypothesis that a similar effect of temperature can be detected in the incidence in the human population inhabiting dengue-endemic cities in Colombia. OBJECTIVE: Our objective was to evaluate the effect of climate variables related to temperature on DENV incidence in human populations living in DENV-endemic cities in Colombia. METHODS: Epidemiologic data from the Instituto Nacional de Salud from 2012-2015 and 7 variables related to temperature were used to perform Spearman rank sum test analyses on 20 Colombian cities. Additionally, locally estimated scatterplot smoothing analyses were performed to describe the relationship among temperatures and incidence. FINDINGS: Results indicated that Colombian cities with average and maximum temperatures greater than 28 degrees C and 32 degrees C, respectively, had an inversely related relationship to DENV incidence, which is in accordance with areas where higher temperatures are recorded in Colombia. CONCLUSION: Climatic variables related to temperature affect dengue epidemiology in different way. According to the temperature of each city, transmission might be positively or negatively affected. PMID- 29221524 TI - Leishmaniasis: Who Uses Personal Protection among Military Personnel in Colombia? AB - BACKGROUND: Leishmaniasis is common in Colombia, negatively affecting the health of military personnel active in endemic areas. The disease is transmitted by sand fly bites. Therefore, during duty, use of long-sleeved uniforms and other clothes treated with permethrin and application of mosquito repellent are important personal preventive measures. OBJECTIVE: The objective of this study was to assess personal and occupational factors associated with the use of personal protection in male soldiers deployed to Leishmaniasis-endemic areas. METHODS: Three hundred soldiers participated in a cross-sectional questionnaire study (response 84.3%). The self-administered questionnaire contained questions about sociodemographics, duration of service, compliance with personal mosquito protection, and knowledge about leishmaniasis. Descriptive analyses were followed by multiple logistic regression models adjusted for potential confounders (EpiInfo Version 7.0) FINDINGS: Overall, 23% of the soldiers reported complete use of the recommended personal protection measures. About 83% of the participants had heard about leishmaniasis. In the adjusted regression model, knowledge about leishmaniasis (adjusted odds ratio = 2.9; 95% confidence interval: 1.1-7.2) and being enrolled in the army for more than 5 years (2.2; 1.1 4.1) increased the odds of using personal protection. CONCLUSIONS: Improving knowledge about leishmaniasis is one measure to increase use of personal protection, thereby diminishing the risk of infection. PMID- 29221525 TI - Peer-Reviewed Veterinary Journals From Arabic-Speaking Countries: A Systematic Review. AB - BACKGROUND: The prevalence of diseases of foodborne and zoonotic origin in Arabic speaking countries highlights the importance of collaboration between human and animal health professionals. However, accessibility of research and evidence based practices in these countries is not well characterized. This brief report determines the availability of professional veterinary journals within the Arabic speaking region. METHODS: An electronic search using 6 databases assessed for publication period, activity status, and available languages incorporated all aspects of veterinary medicine and specialties. RESULTS: Among 29 veterinary journals identified, the oldest current publication originated 63 years ago, with 10 journals currently interrupted or ceased. All 19 currently active journals are available electronically as open access, with 8 also offered in paper format. Veterinary journals published within Arabic-speaking countries are predominantly produced in Egypt, Iraq, and Sudan. CONCLUSION: Electronic access is lacking compared with English-speaking countries, and there is a lack of journals with an Arabic-language option. The reasons associated with language options in veterinary publications are not immediately apparent, yet may highlight differences among public health, health education, and zoonotic professionals and the populations they serve. Veterinary journals in Arabic-speaking countries do not adequately represent the overall region and are limited in access. Further evaluation of regional culture and publisher preferences is indicated to identify new collaboration opportunities among health professionals and local stakeholders. PMID- 29221526 TI - Children's Environmental Health Indicators for Low- and Middle-Income Countries in Asia. AB - BACKGROUND: Given that low- and middle-income countries (LMICs) in Asia still have high child mortality rates, improved monitoring using children's environmental health indicators (CEHI) may help reduce preventable deaths by creating healthy environments. OBJECTIVES: Thus, the aim of this study is to build a set of targeted CEHI that can be applied in LMICs in Asia through the CEHI initiative using a common conceptual framework. METHODS: A systematic review was conducted to identify the most frequently used framework for developing CEHI. Due to the limited number of eligible records, a hand search of the reference lists and an extended search of Google Scholar were also performed. Based on our findings, we designed a set of targeted CEHI to address the children's environmental health situation in LMICs in Asia. The Delphi method was then adopted to assess the relevance, appropriateness, and feasibility of the targeted CEHI. FINDINGS: The systematic review indicated that the Driving-Pressure-State Exposure-Effect-Action framework and the Multiple-Exposures-Multiple-Effects model were the most common conceptual frameworks for developing CEHI. The Multiple-Exposures-Multiple-Effects model was adopted, given that its population of interest is children and its emphasis on the many-to-many relationship. Our review also showed that most of the previous studies covered upper-middle- or high-income countries. The Delphi results validated the targeted CEHI. The targeted CEHI were further specified by age group, gender, and place of residence (urban/rural) to enhance measurability. CONCLUSIONS: Improved monitoring systems of children's environmental health using the targeted CEHI may mitigate the data gap and enhance the quality of data in LMICs in Asia. Furthermore, critical information on the complex interaction between the environment and children's health using the CEHI will help establish a regional environmental children's health action plan, named "The Children's Environment and Health Action Plan for Asia." PMID- 29221527 TI - Social Experiences of Women with Obstetric Fistula Seeking Treatment in Kampala, Uganda. AB - BACKGROUND: Obstetric fistula is a preventable and treatable condition predominately affecting women in low-income countries. Understanding the social context of obstetric fistula may lead to improved prevention and treatment. OBJECTIVES: This study investigated social experiences of women with obstetric fistula seeking treatment at Mulago Hospital in Kampala, Uganda. METHODS: A descriptive study was conducted among women seeking treatment for obstetric fistula during a surgical camp in July 2011 using a structured questionnaire. Descriptive statistics were computed regarding sociodemographics, obstetric history, and social experience. FINDINGS: Fifty-three women participated; 39 (73.58%) leaked urine only. Median age was 29 years (range: 17-58), and most were married or separated. About half (28, 47.9%) experienced a change in their relationship since acquiring obstetric fistula. More than half (27, 50.94%) acquired obstetric fistula during their first delivery, despite almost everyone (50, 94.3%) receiving antenatal care. The median years suffering from obstetric fistula was 1.25. Nearly every participant's social participation changed in at least one setting (51, 96.23%). Most women thought that a baby being too big or having kicked their bladder was the cause of obstetric fistula. Other participants thought health care providers caused the fistula (15, 32.61%; n = 46), with 8 specifying that the bladder was cut during the operation (cesarean section). Knowing someone with obstetric fistula was influential in pursuing treatment. The majority of participants planned to return to family (40, 78.43%; n = 51) and get pregnant after repair (35, 66.04%; n = 53). CONCLUSION: Study participants experienced substantial changes in their social lives as a result of obstetric fistula, and there were a variety of beliefs regarding the cause. The complex social context is an important component to understanding how to prevent and treat obstetric fistula. Further elucidation of these factors may bolster current efforts in prevention and holistic treatment. PMID- 29221528 TI - Evaluation of Iron Deficiency Anemia in a Pediatric Clinic in the Dominican Republic. AB - BACKGROUND: Iron deficiency and iron deficiency anemia affect billions of people worldwide. Infants and young children are the most vulnerable. The Ninos Primeros en Salud pediatric clinic aims to follow the American Academy of Pediatrics (AAP) recommendation to screen all children at 12 months of age, a vital period for development and the time of greatest risk. OBJECTIVES: To evaluate the clinic's performance screening for, diagnosing, and treating iron deficiency anemia; and to describe the prevalence and severity of anemia in infants and children attending a perirural clinic in the Dominican Republic. METHODS: A total of 293 charts were reviewed for hemoglobin tests performed between 9 and 15 months of age. If a hemoglobin screening was performed, then sociodemographic characteristics, medical history, and laboratory data were collected. If blood tests revealed anemia, then the presence or absence of documented anemia diagnosis as well as the presence or absence of documented provision of iron therapy were recorded. FINDINGS: Less than one-third (87, 29.7%) of patients had a documented hemoglobin test performed in this age range. Of these, 89.6% indicated anemia and nearly half (48.6%) revealed moderate anemia. One-third (34%) of hemoglobin results revealing anemia were not accompanied by a documented diagnosis. The vast majority (86.5%) of results indicated microcytosis, yet just more than half (50.8%) of anemic patients received iron therapy. CONCLUSIONS: Many children at the clinic were not screened for iron deficiency anemia during the period of highest risk. In the participants screened, iron deficiency anemia was underdiagnosed and often untreated. Anemia is a significant burden in this community-one demanding reliable screening and universal supplementation. PMID- 29221529 TI - The Effect of Early Marriage Timing on Women's and Children's Health in Sub Saharan Africa and Southwest Asia. AB - BACKGROUND: Age of marriage is a barrier to mother's health care around pregnancy and children health outcomes. OBJECTIVE: We provide evidence on the health benefits of postponing early marriage among young wives (from age 10-14 to age 15 17) on women's health care and children's health for sub-Saharan Africa (SSA) and Southwest Asia (SWA). METHODS: We use data for 39 countries from the Demographic and Health Surveys to estimate the effects of postponing early marriage for women's health care and children's health outcomes and immunization using matching techniques. We also assess whether women's health empowerment and health constraints are additional barriers. FINDINGS: We found that in SSA, delaying the age of marriage from age 10-14 to age 15-17 and from age 15-17 to age 18 or older leads to an increase in maternal neotetanus vaccinations of 2.4% and 3.2%, respectively; gains in the likelihood of postnatal checks are larger for delayed marriage among the youngest wives (aged 10-14). In SWA, the number of antenatal visits increases by 34% and the likelihood of having a skilled birth attendant goes up to 4.1% if young wives postpone marriage. In SSA, the probability of children receiving basic vaccinations is twice as large and their neonatal mortality reduction is nearly double if their mothers married between ages 15-17 instead of at ages 10-14. The extent of these benefits is also shaped by supply constraints and cultural factors. For instance, we found that weak bargaining power on health decisions for young wives leads to 11% fewer antenatal visits (SWA) and 13% less chance of attending postnatal checks (SSA). CONCLUSIONS: Delaying age of marriage among young wives can lead to considerable gains in health care utilization and children health in SSA and SWA if supported by policies that lessen supply constraints and raise women's health empowerment. PMID- 29221530 TI - Parenting Practices and Associations with Development Delays among Young Children in Dominican Republic. AB - BACKGROUND: According to the World Health Organization, >200 million children in low- and middle-income countries experience developmental delays. However, household structure and parenting practices have been minimally explored as potential correlates of developmental delay in low- and middle-income countries, despite potential as areas for intervention. OBJECTIVE: The objective of the study was to examine associations of developmental delays with use of World Health Organization-recommended parenting practices among a clinic-based cohort of children aged 6-60 months attending in La Romana, Dominican Republic. METHODS: This study was conducted among 74 caregiver-child pairs attending the growth monitoring clinic at Hospital Francisco Gonzalvo in June 2015. The Malawi Developmental Assessment Tool was adapted and performed on each child to assess socioadaptive, fine motor, gross motor, and language development. The IMCI Household Level Survey Questionnaire was used to assess parenting practices. Fisher's exact test was used to determine associations significant at P < .05. Significant variables were then entered into a multivariable logistic regression. FINDINGS: Almost two-thirds of children had a delay in at least 1 developmental domain. Most caregivers used scolding (43.2%) or spanking (44%) for child discipline. Children who were disciplined by spanking and scolding were more likely to have language delay (P = .007) and socioadaptive delay (P = .077), respectively. On regression analysis, children with younger primary caregivers had 7 times higher odds of language delay (adjusted odds ratio [AOR]: 7.35, 95% confidence interval [CI]: 1.52-35.61) and 4 times greater odds of any delay (AOR: 4.72, 95% CI: 1.01-22.22). In addition, children punished by spanking had 5 times higher odds of having language delay (AOR: 5.04, 95% CI: 1.13-22.39). CONCLUSIONS: Parenting practices such as harsh punishment and lack of positive parental reinforcement were found to have strong associations with language and socioadaptive delays. Likewise, delays were also more common among children with younger caregivers. PMID- 29221531 TI - Suboptimal Breastfeeding Practices among Women in Rural and Low-Resource Settings: a Study of Women in Rural Mysore, India. AB - BACKGROUND: Breastfeeding rates are progressively increasing worldwide while optimal breastfeeding practices are lagging behind, especially in rural and low resource settings like India. OBJECTIVES: This study estimated the prevalence of and factors associated with suboptimal breastfeeding practices among mother infant dyads in rural southern India. METHODS: This is a cross-sectional analysis of data collected in Mysore District from 2008-2011 from 1294 mother-infant dyads. All women answered an interviewer-administered survey, which included maternal, infant, and sociodemographic information and breastfeeding-related characteristics. Logistic regressions were conducted to determine factors associated with suboptimal breastfeeding practice. FINDINGS: About 20% (n = 281) of mothers reported delayed initiation of breastfeeding. Mothers who were unsatisfied with the infant's gender had higher odds of delayed breastfeeding (adjusted odds ratio [AOR]: 1.42, 95% confidence interval [CI]: 1.00, 2.00). Odds of delayed initiation were significantly lower among mothers who received 7-10 antenatal checkups (AOR: 0.59, 95% CI: 0.41, 0.87) and assistance during breastfeeding (AOR: 0.73, 95% CI: 0.57, 0.95). About half (51.4%) the sample did not breastfeed exclusively for the first 6 months. Older age was associated with lower odds of nonexclusive breastfeeding (AOR: 0.95, 95% CI: 0.92, 1.00). Compared with mothers with no education, mothers with primary education (AOR: 1.94, 95% CI: 1.35, 2.79) or more than primary education (AOR: 1.58, 95% CI: 1.10, 2.26) had higher odds of nonexclusive breastfeeding. CONCLUSIONS: Optimal breastfeeding practices were influenced by a multitude of factors, including maternal age, education, number of antenatal checkups, receiving assistance with breastfeeding, and satisfaction with the infant's gender. Health promotion efforts should focus on encouraging mothers to attend antenatal care visits. Early antenatal education and counseling should include breastfeeding education in early antenatal visits. Further research should examine how to mitigate the effect of gender preference on initiation of breastfeeding. PMID- 29221532 TI - Intentional Exploration on International Service Learning Trips: Three Questions for Global Health. PMID- 29221533 TI - Global Health Career Interest among Medical and Nursing Students: Survey and Analysis. AB - BACKGROUND: Global health experiences undertaken in international settings (GHEs) are becoming an increasingly prevalent aspect of health professions education and, as such, merit comprehensive analysis of the impact they have on students and host communities. OBJECTIVE: To assess the associations between demographic/experiential factors and the interest of health professions students in careers involving global health. METHODS: A cross-sectional survey was administered online to a convenience sample of medical and nursing students at Johns Hopkins University. Questions addressed level of interest in a global health career, prior GHEs, and demographic information. Items were either Likert scale or multiple choice. Various regression analyses were performed. FINDINGS: Of 510 respondents, 312 (61.2%) expressed interest in a global health career and 285 (55.9%) had prior GHEs. Multivariate logistic regression found female sex, age >=27 years, household income <$100,000/y, and a prior research-related GHE independently associated with higher interest in global health careers. On subset analysis of participants with one or more prior GHEs: age >=27 years, household income <$100,000/y, a prior research-related GHE, and having multiple GHEs were each independently associated with increased interest in a global health career. CONCLUSIONS: Simply participating in a global health experience abroad is not significantly associated with interest in a global health career. However, sex, age, household income, and research-related GHEs are significantly associated with global health career interest. These findings may inform the development of global health programs at medical and nursing schools and can guide efforts to increase the number of health care professionals entering global health careers. PMID- 29221534 TI - On Becoming a Global Citizen: Transformative Learning Through Global Health Experiences. AB - BACKGROUND: Globalization has increased the demand for international experiences in medical education. International experiences improve medical knowledge, clinical skills, and self-development; influence career objectives; and provide insights on ethical and societal issues. However, global health rotations can end up being no more than tourism if not structured to foster personal transformation and global citizenship. OBJECTIVE: We conducted a qualitative assessment of trainee-reported critical incidents to more deeply understand the impact of our global health experience on trainees. METHODS: A cross-sectional survey was administered to trainees who had participated in a 2-month elective in Kenya from January 1989 to May 2013. We report the results of a qualitative assessment of the critical incident reflections participants (n = 137) entered in response to the prompt, "Write about one of your most memorable experiences and explain why you chose to describe this particular one." Qualitative analyses were conducted using thematic analysis and crystallization immersion analytic methods based on the principles of grounded theory, employing a constructivists' research paradigm. FINDINGS: Four major themes emerged. These themes were Opening Oneself to a Broader World View; Impact of Suffering and Death; Life-Changing Experiences; and Commitment to Care for the Medically Underserved. CONCLUSIONS: Circumstances that learners encounter in the resource-scarce environment in Kenya are eye-opening and life-changing. When exposed to these frame-shifting circumstances, students elaborate on or transform existing points of view. These emotionally disruptive experiences in an international health setting allowed students to enter a transformational learning process with a global mind. Students can see the world as an interdependent society and develop the capacity to advance both their enlightened self-interest and the interest of people elsewhere in the world as they mature as global citizens. Medical schools are encouraged to foster these experiences by finding ways to integrate them into curriculum. PMID- 29221535 TI - Outcomes of Global Public Health Training Program for US Minority Students: A Case Report. AB - The numbers and success of minority students in science and the health fields remain relatively low. This study presents the outcomes of a research training program as an illustrative case study. The Short-Term Training Program for Minority Students (STPMS) recruits underrepresented minority undergraduate and graduate students for immersion in research training. A total of 69 students participated in the STPMS between 1995 and 2012, and 59 of these completed our survey to determine the perceived impact of the program on the students' motivations and professional development. Results indicated that motivations to participate in the STPMS were commonly related to long-term professional development, such as obtaining mentoring and guidance in career decision making, rather than gaining specific research skills or for economic reasons. Students reported that participation in short-term research training had the most significant effect on improving their attitudes toward biomedical research and promoted positive attitudes toward future careers in health research. A total of 85% of the program's alumni have since completed or are currently working toward a degree in higher education, and 79% are currently working in science research and health care fields. Overall, the short-term training program improved students' attitudes toward research and health science careers. Mentoring and career guidance were important in promoting academic development in students. PMID- 29221536 TI - Exploration of Global Health Careers Across the Medical Fields. AB - BACKGROUND: Despite expansion of interest among American medical students in global health (GH), academic medical centers face multiple obstacles to the development of structured GH curricula and career guidance. To meet these demands we sought to provide a systematic analysis of the accounts of GH experts. METHODS: We developed a collaborative, interview-based, qualitative analysis of GH experiences across six career-related themes that are relevant to medical students interested in GH: justification, medical education, economics, research prospects, law and ethics, and work-life balance. Seven GH faculty members were interviewed for 30-90 minutes using sample questions as guidelines. We applied a grounded theory approach to analyze the interview transcripts to discover an emerging theory pertinent to GH trainees. FINDINGS: Regarding justification, 4 respondents defined GH as work with the underserved irrespective of geographic location; 5 respondents found sustainability imperative; and all respondents believe GH creates better physicians. Respondents identified many physician competencies developed through GH medical education, with 5 respondents agreeing that work with underserved populations has transformative potential. Concerning economics, 3 respondents acknowledged GH's popularity among trainees, resulting in increased training opportunities, and 2 respondents emphasized an associated deficiency in program quality. All respondents described career models across specialties. Four respondents noted funding challenges when discussing research prospects. Within the theme of laws and ethics, 4 respondents perceived inadequate accountability, and 6 respondents identified ways to create accountability. Finally, 6 respondents recognized family demands can compromise one's GH career and thus work-life balance. CONCLUSION: Despite diverse perspectives on the meaning and sustainability of GH work, this analysis provides a nascent framework that may inform curricular development for GH trainees. Suggestions are offered for elaborating this framework to fully exploit the transformative potential of GH training in medical education. PMID- 29221537 TI - Strengthening Global Health Outreach Programs Through Pharmacy Services. PMID- 29221538 TI - Making Online Outbreak Surveillance Work for all. PMID- 29221539 TI - Partnership Conference. AB - BACKGROUND: The Duke Global Health Institute (DGHI) was founded in 2006 with a goal to foster interdisciplinary global health education and research across Duke University and Duke Medical Center. Critical to achieving this goal is the need to develop and sustain strong international partnerships. OBJECTIVE: To host a conference with multiple international partners and strengthen existing relationships. METHODS: After a deliberate year-long planning process, DGHI convened a Partnership Conference with its international partners on the Duke University campus in conjunction with its 10th Anniversary Celebration. The Partnership Conference sought to promote an exchange of novel ideas in support of global health education and research, explore new collaborations in South-South relationships, and identify and facilitate pursuit of new educational and research opportunities. FINDINGS: A total of 25 partners from 10 countries and 46 DGHI faculty members participated in the 3-day event in October 2016. Activities included workshops on preselected research topics, educational symposia on novel teaching methods and harnessing technological advances, introduction of the Health Humanities Laboratory to prepare students and trainees for fieldwork, and discussions of research infrastructure and training needs. Surveys from visiting partners revealed a high degree of satisfaction. Proposed action items include methods to realize improved communications, enhancement of mutual education opportunities, support and mentoring to build local research capacity, and more exchange of faculty and students between partnering institutions. CONCLUSIONS: With careful planning from all parties, a multilateral partnership conference including both university and medical center faculty can be a productive forum for exchange on global health education and research. Sustaining such partnerships is vital to the success of global health scholarship. PMID- 29221540 TI - On Essentiality and the World Health Organization's Model List of Essential Medicines. AB - BACKGROUND: In 1977 the World Health Organization created its first Model List of Essential Medicines-a list designed to aid countries in determining which medicines to prioritize on their National Essential Medicines Lists. In classifying drugs as "essential," the World Health Organization has historically stressed drugs' ability to meet priority health needs of populations and cost. OBJECTIVES: In this paper we trace the fluctuations in the application of cost and priority status of disease as criteria for essential medicines throughout the reports published by the WHO Expert Committee on Selection and Use of Essential Medicines since 1977. METHODS: We analyzed essential medicines lists published on the World Health Organization website since 1977 for trends in criteria concerning cost and priority status of disease. Where, available, analyzed the World Health Organization Expert Committee analysis rationalizing why certain medicines were or were not added and were or were not removed. RESULTS: The application of the criteria of cost and priority status of essential medicines has fluctuated dramatically over the years. CONCLUSIONS: The definition of essential medicines has shifted and now necessitates a new consensus on normative definitions and criteria. A more standardized and transparent set of procedures for choosing essential medicines is required. PMID- 29221541 TI - The Global Health Nursing Imperative: Using Competency-Based Analysis to Strengthen Accountability for Population Focused Practice, Education, and Research. AB - BACKGROUND: The Quad Council Competencies for Public Health Nurses are used to guide community and public health nursing course development in baccalaureate nursing programs. As clinical practice has expanded to global settings, the appropriateness of the 2011 Quad Council Public Health Nursing (PHN) Competencies to guide global clinical practice and evaluation was questioned. OBJECTIVE: To describe a comparison and analysis of three sets of competencies: PHN competencies, competencies for global health nurses, and interprofessional competencies for health professionals. METHOD: A literature review identified the most current guidelines and competencies for global health practice. Two seminal articles, "Global Health Competencies for Nurses in the Americas" and "Identifying Interprofessional Global Health Competencies for 21st-Century Health Professionals," were reviewed and compared with the 2011 Quad Council Public Health Nursing Competencies. A six-member multi-site team conducted a qualitative thematic approach to competency analysis. A four column crosswalk spreadsheet grid was used for comparison of the three sets of competencies. Column four was created to identify possible exemplars for clinical practice. FINDINGS: Gaps exist in the PHN competencies for specific global and interprofessional competencies. RECOMMENDATIONS: Enhanced and consistent emphasis on population/global health, and interprofessional content throughout nursing curricula is necessary to prepare providers for practice in global settings. Incorporation of global and interprofessional competencies should be considered in the revision of competencies for PHN practice to enhance productive contributions to community health outcomes. Consideration of proper placement of content gaps within basic and advanced nursing education as well as leveling for community/public health nursing practice needs to be addressed by nursing education and practice. In the interim, a special course or elective may be appropriate, especially for schools having clinical nursing practicums in international settings. Clinical evaluation in low-resource settings needs to be enhanced and aligned with competencies. PMID- 29221542 TI - Ability to Pay for Future National Health Financing Scheme among Malaysian Households. AB - BACKGROUND: Malaysia is no exception to the challenging health care financing phenomenon of globalization. OBJECTIVES: The objective of the present study was to assess the ability to pay among Malaysian households as preparation for a future national health financing scheme. METHODS: This was a cross-sectional study involving representative samples of 774 households in Peninsular Malaysia. FINDINGS: A majority of households were found to have the ability to pay for their health care. Household expenditure on health care per month was between MYR1 and MYR2000 with a mean (standard deviation [SD]) of 73.54 (142.66), or in a percentage of per-month income between 0.05% and 50% with mean (SD) 2.74 (5.20). The final analysis indicated that ability to pay was significantly higher among younger and higher-income households. CONCLUSIONS: Sociodemographic and socioeconomic statuses are important eligibility factors to be considered in planning the proposed national health care financing scheme to shield the needed group from catastrophic health expenditures. PMID- 29221543 TI - Community Health Workers in Diabetes Prevention and Management in Developing Countries. AB - BACKGROUND: There is limited evidence regarding the effect of community health worker (CHW) interventions for prevention and management of the burgeoning epidemic of noncommunicable diseases (NCDs) in low- and middle-income countries (LMICs). The objective of this review was to critically appraise evidence regarding the effectiveness of CHW interventions for prevention and management of type 2 diabetes mellitus (T2DM) in LMICs. METHODS: To identify studies that reported the effect of CHW interventions for prevention and management of T2DM in LMICs, Medline/PubMed, EMBASE, Web of Science (Science and Social Science Citation Indices), EBSCO (PsycINFO and CINAHL), POPLINE, the Cochrane Metabolic and Endocrine Disorders Group's Specialized Register, the Cochrane Central Register of Controlled Trials, the Grey literature (Google, Google Scholar), and reference lists of identified articles were searched from inception to May 31, 2017. FINDINGS: Ten studies were included (4 pre- and post-studies, 2 randomized controlled trials, 2 cohort studies, 1 cross-sectional study, and 1 case-control study). The role of CHWs consisted of patient education, identification and referral of high-risk individuals to physicians, and provision of social support through home visits. Positive outcomes were reported in 7 of 10 studies. These outcomes included increased knowledge of T2DM symptoms and prevention measures; increased adoption of treatment-seeking and prevention measures; increased medication adherence; and improved fasting blood sugar, glycated hemoglobin, and body mass index. Three studies showed no significant outcomes. CONCLUSIONS: CHWs have the potential to improve knowledge, health behavior, and health outcomes related to prevention and management of T2DM in LMICs. Given the limited number of studies included in this review, robust conclusions cannot be drawn at the present time. PMID- 29221544 TI - Big Data Knowledge in Global Health Education. AB - The ability to synthesize and analyze massive amounts of data is critical to the success of organizations, including those that involve global health. As countries become highly interconnected, increasing the risk for pandemics and outbreaks, the demand for big data is likely to increase. This requires a global health workforce that is trained in the effective use of big data. To assess implementation of big data training in global health, we conducted a pilot survey of members of the Consortium of Universities of Global Health. More than half the respondents did not have a big data training program at their institution. Additionally, the majority agreed that big data training programs will improve global health deliverables, among other favorable outcomes. Given the observed gap and benefits, global health educators may consider investing in big data training for students seeking a career in global health. PMID- 29221546 TI - Commentary on Global Health in Malawi: A Collection of Poems, by Zachary G. Jacobs, M.D. PMID- 29221545 TI - #Globalhealth Twitter Conversations on #Malaria, #HIV, #TB, #NCDS, and #NTDS: a Cross-Sectional Analysis. AB - BACKGROUND: Advocates use the hashtag #GlobalHealth on Twitter to draw users' attention to prominent themes on global health, to harness their support, and to advocate for change. OBJECTIVES: We aimed to describe #GlobalHealth tweets pertinent to given major health issues. METHODS: Tweets containing the hashtag #GlobalHealth (N = 157,951) from January 1, 2014, to April 30, 2015, were purchased from GNIP Inc. We extracted 5 subcorpora of tweets, each with 1 of 5 co occurring disease-specific hashtags (#Malaria, #HIV, #TB, #NCDS, and #NTDS) for further analysis. Unsupervised machine learning was applied to each subcorpus to categorize the tweets by their underlying topics and obtain the representative tweets of each topic. The topics were grouped into 1 of 4 themes (advocacy; epidemiological information; prevention, control, and treatment; societal impact) or miscellaneous. Manual categorization of most frequent users was performed. Time zones of users were analyzed. FINDINGS: In the entire #GlobalHealth corpus (N = 157,951), there were 40,266 unique users, 85,168 retweets, and 13,107 unique co-occurring hashtags. Of the 13,087 tweets across the 5 subcorpora with co occurring hashtag #malaria (n = 3640), #HIV (n = 3557), #NCDS (noncommunicable diseases; n = 2373), #TB (tuberculosis; n = 1781), and #NTDS (neglected tropical diseases; n = 1736), the most prevalent theme was prevention, control, and treatment (4339, 33.16%), followed by advocacy (3706, 28.32%), epidemiological information (1803, 13.78%), and societal impact (1617, 12.36%). Among the top 10 users who tweeted the highest number of tweets in the #GlobalHealth corpus, 5 were individual professionals, 3 were news media, and 2 were organizations advocating for global health. The most common users' time zone was Eastern Time (United States and Canada). CONCLUSIONS: This study highlighted the specific #GlobalHealth Twitter conversations pertinent to malaria, HIV, tuberculosis, noncommunicable diseases, and neglected tropical diseases. These conversations reflect the priorities of advocates, funders, policymakers, and practitioners of global health on these high-burden diseases as they presented their views and information on Twitter to their followers. PMID- 29221547 TI - Quality of Care. PMID- 29221548 TI - ? PMID- 29221549 TI - [Hypnosis to fight against pain and anxiety in palliative care]. AB - In our society, hypnosis sometimes has a negative, distorted image. For several years now it has become more widespread in the healthcare field and its use has increased in caring for symptoms such as pain and anxiety. It can be of great help in palliative situations. PMID- 29221550 TI - [Assessment of professional practices in treating cardiac arrest]. AB - An assessment of professional practices was carried out in 2013-2014 with the aim of improving the treatment of cardiac arrest in hospitals. Two methods were used: an assessment by questionnaire to evaluate theoretical knowledge and a practical assessment of external cardiac massage. The results highlight the need for greater knowledge. The use of cardiac massage must be included in continuing professional development. PMID- 29221551 TI - [Reflections on prehospitalisation deaths]. AB - In the past, death was a family and community affair, but today it is institutional and entrusted to healthcare personnel. Thanks to a questionnaire on their feelings about prehospitalisation deaths, the experience and training needs for healthcare personnel at a mobile emergency and intensive care service were analysed. The majority of these professionals had been confronted with difficulties when faced with prehospitalisation deaths. There is little understanding of religious rites, even though this is an important point in dealing with the situation. There is a strong desire for training. The pedagogical support offered in response to the needs expressed was recognised as being useful and should be more widespread. PMID- 29221552 TI - ? PMID- 29221553 TI - [Healthcare commitment, a necessity today]. AB - Healthcare commitment is a mosaic of attention to and encounters with the Other, with brotherhood and effectiveness. It means knowing the rules, but not submitting to norms. It is a responsibility that comes from the feeling of one's own vulnerability as much as it is a question of sharing the values of the sick person with other healthcare personnel. PMID- 29221554 TI - [Psychological commitment: adaptive functions, paradoxes, modalities and components]. AB - The process of psychological commitment, its adaptive functions and some of the difficulties that go along with it are specific. A description of the multimodal model of commitment provides an illustration of how motivational, affective, cognitive and behavioural mechanisms can be combined. These lead to different ways of entering into the commitment, with differing consequences on how the individual functions. PMID- 29221555 TI - [Is it possible to live without commitment?] AB - Commitment is an ethic of life, the condition that ensures one's responsibility as a human being. It is the only way to remain free and dignified. Life without commitment means just being a bystander, being submissive or giving in to chaos. PMID- 29221556 TI - [Associative commitments]. AB - Volunteering to serve the general interest, that is the profession of faith behind associative commitments. Notably, actions by associations undertaken in favour of organ donation today must, in their content and forms, reconcile tradition and modernity. But they keep their driving principles and values intact. PMID- 29221557 TI - [Citizen commitment for humanistic values]. AB - Nowadays, as part of the population is seeking meaning, there are reasons to hope that we can live together better in our country. Avoiding resignation and passivity, the purpose of developing humanistic values, those of the Republic, is to build a society that is fairer, more serene and fraternal. A citizen commitment opens up possibilities for this. PMID- 29221558 TI - [Firefighter nurse, a twofold commitment]. AB - Why would anyone want to become a firefighter nurse? This obviously twofold commitment is usually the result of an individual and family history, although other factors are also at work. The need to serve is reinforced by the professional's social audience, the particular features of emergencies, the independence, the hierarchy and the positive emotions associated with this profession. PMID- 29221559 TI - [Choosing to become a nurse, a commitment]. AB - It appears that, to survive, all people need a commitment, whatever their motivations, their degree of involvement and the time they can dedicate to it. What does "commitment" really mean to nursing students? PMID- 29221560 TI - [Commitment at the heart of the nursing profession]. AB - Although it is a free choice and appears paradoxical, the choice to be a nurse is binding. In keeping with its Code of Ethics, the nursing profession demands an ethical, social, political and collective commitment that we cannot shy away from or we will fail to fulfil our obligations. PMID- 29221561 TI - [Humanitarian nurse, the strength of commitment]. AB - Every year, hundreds of volunteers leave their home, for few weeks or months, to provide humanitarian aid across the world. Joining a humanitarian mission, far from being a simple exotic adventure, requires, specially, a strong professional skills and personal abilities, maturely and thoughtful motivations. The work of humanitarian nurse is first and foremost a full-blown profession. PMID- 29221563 TI - ? PMID- 29221562 TI - [The caregiver's commitment and its limits]. AB - The question of commitment and its limits can be envisaged from the point of view of supervision in healthcare institutions or in home hospital care. When the commitment appears to be frustrated in the healthcare relationship, it must be supported and its limits should be defined. PMID- 29221565 TI - Hormones in milk. PMID- 29221564 TI - ? PMID- 29221566 TI - Physiology of milk secretion. AB - Milk is a unique and complete nutritive source for the mammal neonate, also providing immune protection and developmental signals. Lactation is a complex process, proper to the mother and child dyad, and including numerous variables ranging from psychological aspects to the secretory functioning of the mammary epithelial cells, all contributing to a successful breastfeeding. This review gives an integrated overview of the physiology of lactation with a particular focus on cellular and molecular mechanisms involved in milk product secretion and their regulations. PMID- 29221567 TI - Iodine in dairy milk: Sources, concentrations and importance to human health. AB - Milk and dairy products are major iodine sources in industrialized countries. However, consumption of milk and dairy, as well as their iodine concentrations, vary widely, making them an unpredictable iodine source. Milk iodine concentrations in industrialized countries range from 33 to 534 MUg/L and are influenced by the iodine intake of dairy cows, goitrogen intake, milk yield, season, teat dipping with iodine-containing disinfectants, type of farming and processing. We estimate milk and dairy contribute ~13-64% of the recommended daily iodine intake based on country-specific food intake data. To ensure adequate iodine levels but avoid the risk of iodine excess through milk and dairy, it is crucial to reduce the wide variations in milk iodine. If iodine intakes from iodized salt fall because of public health efforts to reduce salt intake, milk and dairy products may become increasingly important sources of dietary iodine in the future. PMID- 29221568 TI - Nutritional programming by glucocorticoids in breast milk: Targets, mechanisms and possible implications. AB - Vertical transmission of glucocorticoids via breast milk might pose a mechanism through which lactating women could prepare their infants for the postnatal environment. The primary source of breast-milk glucocorticoids is probably the systemic circulation. Research from our group showed that milk cortisol and cortisone concentrations follow the diurnal rhythm of maternal hypothalamus pituitary-adrenal axis activity, with a higher abundance of cortisone compared to cortisol. Measurement of breast-milk glucocorticoid concentrations is challenging due to possible cross-reactivity with progestagens and sex steroids, which are severely elevated during pregnancy and after parturition. This requires precise methods that are not hindered by cross reactivity, such as LC-MS/MS. There are some data suggesting that breast-milk glucocorticoids could promote intestinal maturation, either locally or after absorption into the systemic circulation. Breast-milk glucocorticoids might also have an effect on the intestinal microbiome, although this has not been studied thus far. Findings from studies investigating the systemic effects of breast-milk glucocorticoids are difficult to interpret, since none took the diurnal rhythm of glucocorticoids in breast milk into consideration, and various analytical methods were used. Nevertheless, glucocorticoids in breast milk might offer a novel potential pathway for signal transmission from mothers to their infants. PMID- 29221569 TI - Functional analysis of the IGF-system in milk. AB - The development of milk during evolution is considered a more recent step to provide the neonate with adequate amounts of energy, nutrients, and specific hormonal signals thereby, granting a fast and efficient rate of postnatal growth and development. Since the insulin- or the insulin-like growth factor (IGF) systems were evolved much earlier, it can be assumed that the functionality of the IGF-system has been integrated into the novel matrix milk containing casein and whey proteins from the beginnings. In fact, IGFs and IGF-binding proteins (IGFBPs) are abundantly present in milk, which is particularly true for fore-milk or colostrum and the potential effects of milk-borne IGF-compounds on the consuming organisms have in fact been addressed by several studies. Those studies examined, if orally administered IGFs can be absorbed by the consumer's gastro intestinal tract and thus contribute e.g. to the somatic growth of infants. A second line of studies assessed local effects of milk-borne IGFs on growth and development of the gastro-intestinal tract itself. Finally, distinct functions of isolated IGF-compounds for growth and involution of the mammary gland have also been provided in the past. While the consumption of milk seems not to represent a major source of endogenous IGFs, accumulating evidence indicates secondary effects of milk on the endogenous IGF-system, which may be mediated by micronutrients such as branched amino acids and metabolic programming. By contrast, direct effects on growth and development of oesophageal and intestinal cells have been observed if IGFs were administered orally. PMID- 29221570 TI - Neohormones in milk. AB - Neohormone systems evolved specifically to regulate those mammalian traits, such as internal fertilization, pregnancy and lactation, which have proved to be central to the success, environmental independence, and adaptability of mammals as a vertebrate group. Neohormones such as oxytocin or relaxin are not only involved in the regulation of mammary gland development and function, but are also significant components of milk itself. Particularly for the latter hormone, it has been shown for the pig that relaxin in the first milk is taken up by the gastrointestinal tract of the offspring, enters the neonatal circulation and can have specific physiological and epigenetic effects on target organs such as the female reproductive system. Nevertheless, there are large gaps in our knowledge and understanding of such lactocrine systems especially in regard to other neohormones, species, and neonatal organ systems. PMID- 29221571 TI - MicroRNAs: Milk's epigenetic regulators. AB - Our perception of milk has changed from a "simple food" to a highly sophisticated maternal-neonatal nutrient and communication system orchestrating early programming of the infant. Milk miRNAs delivered by exosomes and milk fat globules derived from mammary gland epithelial cells play a key role in this process. Exosomes resist the harsh intestinal environment, are taken up by intestinal cells via endocytosis, and reach the systemic circulation of the milk recipient. The most abundant miRNA found in exosomes and milk fat globules of human and cow's milk, miRNA-148a, attenuates the expression of DNA methyltransferase 1, which is critically involved in epigenetic regulation. Another important miRNA of milk, miRNA-125b, targets p53, the guardian of the genome, and its diverse transcriptional network. The deficiency of exosomal miRNAs in infant formula and the persistent uptake of milk miRNAs after the nursing period via consumption of cow's milk are two epigenetic aberrations that may induce adverse long-term effects on human health. PMID- 29221572 TI - Misuse of semantics and basic statistical terms in original articles. PMID- 29221573 TI - Editorial overview: Muscle and bone are highly effective communicators. PMID- 29221574 TI - Editorial overview: Respiratory: Transformational therapies for cystic fibrosis. PMID- 29221575 TI - Clinical outcomes of suprascapular nerve decompression: a systematic review. AB - BACKGROUND: Suprascapular neuropathy is an uncommon clinical diagnosis. Although there have been a number of case series reporting on this pathologic process, to date there has been no systematic review of these studies. This study aimed to synthesize the literature on suprascapular neuropathy with regard to clinical outcomes. The secondary objective was to detail the diagnosis and treatment of suprascapular neuropathy and any associated complications. METHODS: A systematic review was performed to identify studies that reported the results or clinical outcomes of suprascapular nerve decompression. The searches were performed using MEDLINE through PubMed and Cochrane Database of Systematic Reviews. RESULTS: Twenty-one studies comprising 275 patients and 276 shoulders met inclusion criteria. The mean age was 41.9 years, and mean follow-up was 32.5 months. The most common symptom was deep, posterior shoulder pain (97.8%), with a mean duration of symptoms before decompression of 19.0 months; 94% of patients underwent electrodiagnostic testing before decompression, and 85% of patients had results consistent with suprascapular neuropathy. The most common outcome reported was the visual analog scale score, followed by the Constant-Murley score. The mean postoperative Constant-Murley score obtained was 89% of ideal maximum. Ninety-two percent of athletes were able to return to sport. Only 2 (0.74%) complications were reported in the included studies. CONCLUSIONS: Surgical decompression in the setting of suprascapular neuropathy leads to satisfactory outcomes as evidenced by the patient-reported outcomes and return to sport rate. Furthermore, the rate of complications appears to be low. PMID- 29221576 TI - An important lesson in assessing neurovascular involvement in proximal humeral fractures: the presence of neuropathic pain in a dysvascular limb. PMID- 29221577 TI - Letter to the Editor regarding Trikha et al: "Retrospective analysis of proximal humeral fracture-dislocations managed with locked plates". PMID- 29221578 TI - Response to Chouhan DK, regarding: "Retrospective analysis of proximal humeral fracture-dislocations managed with locked plates". PMID- 29221580 TI - Mechanisms of allergen immunotherapy for inhaled allergens and predictive biomarkers. AB - Allergen immunotherapy is effective in patients with IgE-dependent allergic rhinitis and asthma. When immunotherapy is given continuously for 3 years, there is persistent clinical benefit for several years after its discontinuation. This disease-modifying effect is both antigen-specific and antigen-driven. Clinical improvement is accompanied by decreases in numbers of effector cells in target organs, including mast cells, basophils, eosinophils, and type 2 innate lymphoid cells. Immunotherapy results in the production of blocking IgG/IgG4 antibodies that can inhibit IgE-dependent activation mediated through both high-affinity IgE receptors (FcepsilonRI) on mast cells and basophils and low-affinity IgE receptors (FcepsilonRII) on B cells. Suppression of TH2 immunity can occur as a consequence of either deletion or anergy of antigen-specific T cells; induction of antigen-specific regulatory T cells; or immune deviation in favor of TH1 responses. It is not clear whether the altered long-term memory resides within the T-cell or the B-cell compartment. Recent data highlight the role of IL-10 producing regulatory B cells and "protective" antibodies that likely contribute to long-term tolerance. Understanding mechanisms underlying induction and persistence of tolerance should identify predictive biomarkers of clinical response and discover novel and more effective strategies for immunotherapy. PMID- 29221581 TI - Biomarkers for severe eosinophilic asthma. AB - The last decade has seen the approval of several new biologics for the treatment of severe asthma-targeting specific endotypes and phenotypes. This review will examine how evidence generated from the mepolizumab clinical development program showed that blood eosinophil counts, rather than sputum or tissue eosinophil counts, evolved as a pharmacodynamic and predictive biomarker for the efficacy of treatment with mepolizumab in patients with severe eosinophilic asthma. Based on the available evidence and combined with clinical judgement, a baseline blood eosinophil threshold of 150 cells/MUL or greater or a historical blood eosinophil threshold of 300 cells/MUL or greater will allow selection of patients with severe eosinophilic asthma who are most likely to achieve clinically significant reductions in the rate of exacerbations with mepolizumab treatment. PMID- 29221583 TI - Correction. PMID- 29221584 TI - ? PMID- 29221579 TI - Biomarkers in connective tissue diseases. AB - Autoimmune connective tissue diseases are clinically variable, making biomarkers desirable for assessing future disease risk, supporting early and accurate diagnosis, monitoring disease activity and progression, selecting therapeutics, and assessing treatment response. Because of their correlations with specific clinical characteristics and often with disease progression, autoantibodies and other soluble mediators are considered potential biomarkers. Additional biomarkers might reflect downstream pathologic processes or appear because of ongoing inflammation and damage. Because of overlap between diseases, some biomarkers have limited specificity for a single autoimmune connective tissue disease. This review describes select current biomarkers that aid in the diagnosis and treatment of several major systemic autoimmune connective tissue disorders: systemic lupus erythematosus, rheumatoid arthritis, systemic sclerosis, and anti-neutrophil cytoplasmic antibody-associated vasculitides. Newly proposed biomarkers that target various stages in disease onset or progression are also discussed. Newer approaches to overcome the diversity observed in patients with these diseases and to facilitate personalized disease monitoring and treatment are also addressed. PMID- 29221585 TI - ? AB - Atopic dermatitis is a multifactorial disease due to a combination of genetic and environmental factors. The pathophysiological mechanisms involved in AD are multiple: innate functional abnormality in the skin barrier partly linked to mutations of the filaggrin, a major structural protein of the skin; and genes involved in innate and adaptive immunity; Finally, the model of the hygiene theory has been clarified in recent years: environmental factors alter the diversity of skin and digestive microbiomes, and this diversity seems to play a major role in the development of atopy. PMID- 29221586 TI - ? AB - Atopic dermatitis has been described under many names before the XXth century, and first illustrated in the early XIXth century. This article presents historical images from the first volumes of Robert Willan to the Pratique dermatologique, the first encyclopedy published in 1900. Many accurate clinical descriptions of the disease can be found in the early treaties of dermatology, including the one published by Thomas Carrere in 1740. Since then, Alibert and Rayer in France, Hebra and Neumann in Vienna and Duhring and Fox in the USA illustrated their atlases with spectacular images of adults or children suffering from AD, or from other diseases that might have been considered as eczema infantile. Color engravings, color lithographs and black and white photographs showed with an increasing precision the semiology of AD, in the context of artistic representations of high quality, that have not been surpassed by modern photographs. At the beginning of the XXth century the clinical presentation, the course and heredity of the disease were perfectly established, introducing a new era of research in physiopathology and treatment in the following decades. PMID- 29221587 TI - ? AB - Avene thermal spring water is recognized for more than two centuries for its benefits on skin diseases. Since 1975, the Pierre Fabre Group has modernized the facilities, and developed the brand " Eau Thermal Avene ", allowing more than 2,500 patients/year to be treated by this therapeutic water. The regulation requires high standards on origin, bacteriological purity and physico-chemical stability. Many works have allowed us to understand its origin, its underground path and identify its specific physico-chemical profile. Finally, thanks to its therapeutic properties verified in various clinical studies, the " Eau Thermal Avene " is the first active ingredient of a variety of products for sensitive skin. PMID- 29221588 TI - ? AB - Atopic dermatitis (AD) is the most frequent disease treated at the Avene hydrotherapy center. Children represent a large part of the population due to the high prevalence of AD in early childhood. Avene thermal spring water (ATSW) has been known for its therapeutic effects since the middle of the 18th century. It has been greatly studied over the last decades, with a comprehensive fundamental, pharmaco-clinical and clinical approach. Cohort studies using the Scoring Atopic Dermatitis (SCORAD) clinical score and the Dermatology Life Quality Index (DLQI) or the Children's Dermatology Life Quality Index [CDLQI]) quality of life scores, allowed to confirm the clinical results obtained from the previous studies. These results were corroborated by clinical trials conducted in atopic patients outside the Avene hydrotherapy center, allowing to demonstrate the specific effect of the ATSW. Pharmacological and pharmaco-clinical studies evidenced several effects that could explain the healing effect of ATSW: effect on histamine release, anti inflammatory effects on standardized models, immuno-modulation of some cytokines involved in DA physiopathology (interferon [INF], interleukin 2 and 4 [IL-2, IL 4]), improvement of keratinocyte differentiation, effect on the skin microbioma by promoting the development of a diversified non-pathogenic flora. In addition, an original microorganism, Aquaphilus dolomiae, never described in another medium, has very recently been identified in the ATSW. Aquaphilus dolomiae is responsible for significant pharmacological activities on inflammation, pruritus and enhancement of innate immunity. This set of works confirms the medical significance of the hydrotherapy which should be considered as a complementary care in the sometimes difficult management of AD. PMID- 29221589 TI - ? AB - Human hosts a large number of microorganisms that constitute its microbiome and the vast majority of them are very useful and even essentials. The human microbiome is a complex ecosystem where live populations of transient or resident microorganisms. The process of co-development or co-adaptation played a major role in the establishment of indigenous communities and help explain the dominance of positive interactions (commensal, symbiotic or mutualistic) in the human-microorganism relationship. The assimilation of nutrients, production of anti-inflammatory compounds, defense against pathogens, vitamin production or stimulating the immune system are some of the key benefits of the indigenous microorganisms. Understanding the skin microbiome opens new exploratory fields and represents a real challenge for both the academic knowledge and the development of new therapeutic approaches. PMID- 29221590 TI - ? AB - Atopic dermatitis (AD) is an inflammatory and pruritic dermatosis of multifactorial origin. Topical steroids are the first line treatment for severe AD however alternatives treatment are increasingly needed. A biological concentrate was elaborated from culture of an Avene aquatic microflora isolate namely Aquaphilus dolomiae. Numerous extracts were evaluated in relevant AD in vitro models with human keratinocytes. Among these extracts, a particular one I modulia(r) was found to be remarkable in terms of pharmacological activities: innate immunity modulating by agonizing Toll like receptor (TLR)2, TLR4 and TLR5, induction of anti-microbial peptides, inhibition of cytokines characteristics of T helper (Th)1, Th2 and Th17 responses, inhibition of Protease-activated-receptor (PAR) 2 and Thymic-stromal-lymphopoeitin (TSLP) both being known to be upregulated in pruritus. Additionally, when human dendritic cells (DC) were stimulated in vitro by Staphylococcus aureus secretomes from AD children lesions, I-modulia(r) was capable to induce IL-10 secretion to activate regular T lymphocytes and rendered DC tolerogenic. I-modulia(r), extract of biotech origin incorporated in emollient, displays anti-inflammatory, anti-pruritus activities, restores homeostasis immune and ameliorates AD in young infant. PMID- 29221591 TI - Eradicating BVD, reviewing Irish programme data and model predictions to support prospective decision making. AB - Bovine Viral Diarrhoea is an infectious production disease of major importance in many cattle sectors of the world. The infection is predominantly transmitted by animal contact. Postnatal infections are transient, leading to immunologically protected cattle. However, for a certain window of pregnancy, in utero infection of the foetus results in persistently infected (PI) calves being the major risk of BVD spread, but also an efficient target for controlling the infection. There are two acknowledged strategies to identify PI animals for removal: tissue tag testing (direct; also known as the Swiss model) and serological screening (indirect by interpreting the serological status of the herd; the Scandinavian model). Both strategies are effective in reducing PI prevalence and herd incidence. During the first four years of the Irish national BVD eradication programme (2013-16), it has been mandatory for all newborn calves to be tested using tissue tag testing. During this period, PI incidence has substantially declined. In recent times, there has been interest among stakeholders in a change to an indirect testing strategy, with potential benefit to the overall programme, particularly with respect to cost to farmers. Advice was sought on the usefulness of implementing the necessary changes. Here we review available data from the national eradication programme and strategy performance predictions from an expert system model to quantify expected benefits of the strategy change from strategic, budgetary and implementation points of view. Key findings from our work include (i) drawbacks associated with changes to programme implementation, in particular the loss of epidemiological information to allow real-time monitoring of eradication progress or to reliably predict time to eradication, (ii) the fact that only 25% of the herds in the Irish cattle sector (14% beef, 78% dairy herds) would benefit financially from a change to serosurveillance, with half of these participants benefiting by less than EUR 75 per annum at herd level or an average of EUR 1.22 per cow, and (iii) opportunities to enhance the effectiveness of the current programme, particularly in terms of time to eradication, through enforced compliance with PI removal as currently outlined in programme recommendations. The assembled information provides scientific arguments, contributing to an informed debate of the pros and cons of a change in eradication strategy in Ireland. PMID- 29221592 TI - Ecosystem features determine seagrass community response to sea otter foraging. AB - Comparing sea otter recovery in California (CA) and British Columbia (BC) reveals key ecosystem properties that shape top-down effects in seagrass communities. We review potential ecosystem drivers of sea otter foraging in CA and BC seagrass beds, including the role of coastline complexity and environmental stress on sea otter effects. In BC, we find greater species richness across seagrass trophic assemblages. Furthermore, Cancer spp. crabs, an important link in the seagrass trophic cascade observed in CA, are less common. Additionally, the more recent reintroduction of sea otters, more complex coastline, and reduced environmental stress in BC seagrass habitats supports the hypotheses that sea otter foraging pressure is currently reduced there. In order to manage the ecosystem features that lead to regional differences in top predator effects in seagrass communities, we review our findings, their spatial and temporal constraints, and present a social-ecological framework for future research. PMID- 29221593 TI - Individuals at risk of rheumatoid arthritis - The evolving story. PMID- 29221594 TI - Periodontal disease and periodontal bacteria as triggers for rheumatoid arthritis. AB - There is an epidemiological association between periodontitis and rheumatoid arthritis (RA), which is hypothesised to lead to enhanced generation of RA related autoantibodies that can be detected years before the onset of RA symptoms. Periodontitis is a common dysbiotic disease; tissue damage occurs because the immune system fails to limit both the resident microbial community and the associated local immune response. Certain periodontal bacteria, including Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans, may contribute to RA autoantibody production through direct post-translational modification of proteins or, indirectly, by influencing neutrophil-mediated neo epitope generation. Oral bacteria that invade the blood may also contribute to chronic inflammatory responses and generation of autoantibodies. The putative association between periodontitis and the development of RA raises the potential of finding novel predictive markers of disease and disease progression and for periodontitis treatment to be included in the future as an adjunct to conventional RA immunotherapy or as part of a preventive strategy. PMID- 29221596 TI - Role of the lung in individuals at risk of rheumatoid arthritis. AB - Antibody-positive (seropositive) rheumatoid arthritis (RA) is a complex multiphasic disease developing in genetically susceptible individuals following environmental challenges (such as smoking). RA-associated autoantibodies can develop several years before any clinical signs of joint inflammation, suggesting that triggering of this autoimmunity occurs outside the joints. Epidemiological, clinical, and molecular studies in seropositive individuals at risk for developing RA as well as in early untreated RA suggest a potential role for mucosal sites (especially lung mucosa) as RA-associated autoimmunity trigger sites. This chapter summarizes clinical and molecular studies supporting the lung as a central site for autoimmunity initiation in RA. PMID- 29221597 TI - Evolution of autoantibody responses in individuals at risk of rheumatoid arthritis. AB - Autoantibodies such as rheumatoid factors (RFs), anti-citrullinated protein antibodies (ACPAs), and other anti-modified protein antibodies are important risk factors for the development of rheumatoid arthritis (RA) and probably play an important role in its pathogenesis. In the phase before clinical arthritis becomes apparent, different autoantibody responses can evolve because of increases in their level, isotype switching, affinity maturation, epitope spreading, and a changing glycosylation profile. This evolution may be crucial for the pathogenic properties of the autoantibody responses, and interfering with this process in individuals at risk may become a route to prevent RA. Recent data suggest that interactions between RFs and ACPAs further amplify their inflammatory potential. PMID- 29221598 TI - The role of ACPAs in at-risk individuals: Early targeting of the bone and joints. AB - Autoimmunity precedes inflammation in patients with rheumatoid arthritis (RA), opening the possibility to search for early changes in the tissue preceding the onset of systemic inflammation. Autoantibodies are important and early drivers of bone damage in RA. This article summarizes current evidence for the role of RA related autoantibodies in mediating bone loss. Rheumatoid factor (RF) and antibodies recognizing modified (citrullinated) proteins have been used as diagnostic markers for RA over many years. Their role as pathogenic players, however, has long been unrecognized. Recently, several pieces of evidence suggested that bone-resorbing osteoclasts are highly responsive to RA-related autoantibodies, providing a novel association between autoimmunity and bone. These developments have allowed the unraveling of the underlying mechanisms, which are responsible for the well-known clinical observation that anti citrullinated protein antibodies and RF are associated with a more severe disease course. Furthermore, these mechanisms also explain the onset of inflammation in the joints of RA patients. PMID- 29221595 TI - Genetic and environmental risk factors for rheumatoid arthritis. AB - Multiple genetic and environmental factors have been associated with an increased risk for rheumatoid arthritis (RA). Of these, the strongest associations have been seen with female sex, a family history of RA, the genetic factor the "shared epitope," and exposure to tobacco smoke. There is also renewed interest in mucosal inflammation and microbial factors as contributors to the development of RA. However, the identification of a "preclinical" period of RA that can be defined as local or systemic autoimmunity as measured by autoantibodies and other biomarkers prior to the development of clinically apparent synovitis suggests that the risk factors for RA are acting long prior to first clinical evidence of IA. As such, a major challenge to the field will be to investigate the full spectrum of the development of RA, from initiation and propagation of autoimmunity during preclinical RA and transition to clinically apparent synovitis and classifiable RA, to determine which genetic and environmental factors are important at each stage of disease development. Understanding the exact role and timing of action of risk factors for RA is especially important given the advent of prevention trials in RA, and the hope that a full understanding of genetic and environmental factors in RA could lead to effective preventive interventions. PMID- 29221599 TI - Symptoms in individuals at risk of rheumatoid arthritis. AB - An increasing interest in treating individuals at risk of rheumatoid arthritis (RA) to prevent the development of this chronic condition has focussed attention on the identification of risk factors of this disease. Most patients who develop RA progress through a preceding symptomatic phase that may take the form of arthralgia, palindromic rheumatism or unclassified arthritis before a disease currently classifiable as RA is established. An understanding of symptoms that identify individuals as being at risk of RA is a critical issue. Constellations of relevant symptoms could (1) form the basis of public health campaigns to encourage rapid consultation, (2) inform primary health care providers regarding which patients to perform additional tests in or whom to refer to a rheumatologist and (3) be included in algorithms to predict RA development. In this review, we present qualitative and quantitative data summarising current understanding of the symptoms experienced by individuals at risk of RA. PMID- 29221600 TI - Role of ultrasound imaging in individuals at risk of RA. AB - Early diagnosis and treatment improves outcomes for patients with rheumatoid arthritis (RA). Studies have shown that musculoskeletal ultrasound is more sensitive than clinical examination in identifying synovitis. This review aims to address the role of ultrasound in identifying (1) patients with early inflammatory arthritis (IA) at risk of progression to RA and (2) those without clinical synovitis at risk of progression to early IA and therefore early RA. PMID- 29221601 TI - Magnetic resonance imaging in individuals at risk of rheumatoid arthritis. AB - Individuals with rheumatoid arthritis (RA) benefit from early diagnosis and initiation of therapy. There can be delays in both due to diagnostic uncertainties. Imaging modalities, including magnetic resonance imaging (MRI), can detect inflammation earlier than clinical examination alone in early RA patients. Furthermore, the predictive role of MRI for the future development of RA has recently been explored in 'at-risk' individuals. This review details the use of MRI in early and undifferentiated arthritis and summarises the studies to date in individuals at risk of RA. PMID- 29221602 TI - What can palindromic rheumatism tell us? AB - Palindromic rheumatism (PR) is a syndrome characterised by recurrent, self resolving inflammatory attacks in and around the joints. An association between PR and rheumatoid arthritis (RA) has long been postulated; a significant proportion of PR patients eventually develop RA and the majority also have anti CCP antibodies. Therefore, PR is often considered a prodrome of RA. However, the clinical and imaging phenotype of PR has several important distinctions from RA. This suggests that despite the similarities, distinct disease mechanisms are at play. Given the paucity of evidence-based therapy in PR, a better understanding of these mechanisms will be important for refined and targeted therapeutic approaches for this important condition. PMID- 29221603 TI - Emerging therapies for pre-RA. AB - The field of rheumatology has made major contributions to medicine through the identification of cellular and molecular targets and the development of therapies for the treatment of an impressive range of immune-mediated inflammatory diseases such as rheumatoid arthritis. In recent years, new milestones have been achieved. These include the recognition of an at-risk state, characterized by disease specific autoantibodies in serum and inflammatory joint pain, and the initiation of studies seeking to prevent high-risk individuals from progressing to a state of clinically apparent arthritis. Here, the current state of the art of rheumatoid arthritis prevention is described, highlighting the importance of risk stratification and reporting on a growing portfolio of therapeutic interventions targeting different stages of the preclinical syndrome. PMID- 29221604 TI - Effect of Evolocumab on Lipoprotein Particles. AB - The level of low-density lipoprotein cholesterol (LDL-C) reflects the cholesterol carried mainly by low-density lipoprotein particles (LDL-P). LDL-C, however, does not always correlate with LDL-P because of the variable amounts of cholesterol per particle. Consideration of LDL-P concentrations in addition to LDL-C may help guide therapeutic decisions in a select number of patients. Evolocumab is a fully human monoclonal antibody directed against proprotein convertase subtilisin-kexin type 9 that lowers both LDL-C and cardiovascular events. To evaluate the effect of evolocumab on serum levels and size of lipoprotein particles, we conducted a post hoc subanalysis of 619 patients from the Durable Effect of PCSK9 Antibody Compared with Placebo Study or DESCARTES trial, a 52-week, randomized, double blind, placebo-controlled, global study of patients with hyperlipidemia. At baseline, mean LDL-P concentration was 1077 nmol/L for the placebo group and 1100 nmol/L for the evolocumab group. In patients receiving evolocumab, week 52 total LDL-P concentration decreased to 610 nmol/L, a treatment difference of 50% versus placebo. Evolocumab also reduced concentrations of medium very low-density lipoprotein particles (VLDL-P), small VLDL-P, and intermediate-density lipoprotein particle: median (Q1, Q3) changes were -15.2% (-48, 48), -29% (-54, 18), and -36% (-70, 22), respectively. Mean (95% confidence interval) % changes in total LDL particle size in the evolocumab group was -1.7 (-2.0, -1.4); % changes in HDL and VLDL particle sizes were 1.1 (0.7, 1.5) and 8.7 (7.0, 10.5), respectively. Changes in total LDL, HDL, and VLDL particle sizes (vs placebo) were all significant (p <0.001). In conclusion, evolocumab significantly lowers atherogenic lipoprotein particles including low-density and remnant lipoproteins. PMID- 29221605 TI - Significance of High-Sensitivity Troponin T After Elective External Direct Current Cardioversion for Atrial Fibrillation or Atrial Flutter. AB - External transthoracic direct current (DC) cardioversion is a commonly used method of terminating cardiac arrhythmias. Previous research has shown that DC cardioversion resulted in myocardial injury as evidenced by increased levels of cardiac troponin, even though only minimally. Many of these studies were based on the outdated monophasic defibrillators and older, less sensitive troponin assays. This study aimed to assess the effect of external transthoracic DC cardioversion on myocardial injury as measured by the change in the new high-sensitivity cardiac troponin T (hs-cTnT) using the more modern biphasic defibrillators. Patients who were admitted for elective DC cardioversion for atrial fibrillation or atrial flutter were recruited. Hs-cTnT levels were taken before cardioversion and at 6 hours after cardioversion. A total of 120 cardioversions were performed. Median (twenty-fifth to seventy-fifth interquartile range) cumulative energy was 161 J (155 to 532 J). A total of 49 (41%) patients received a cumulative energy of 300 J or higher. The median hs-cTnT level before cardioversion was 7 ng/L (4 to 11 ng/L) and that after cardioversion was 7 ng/L (4 to 10 ng/L). A Wilcoxon signed-rank test showed no significant difference between pre- and post cardioversion hs-cTnT levels (Z = -0.940, p = 0.347). In conclusion, external DC cardioversion did not result in myocardial injury within the first 6 hours as measured by high-sensitivity troponin T. Patients who are cardioverted and are found to have a significant increase in cardiac troponin after cardioversion should be assessed for causes of myocardial injury and not assumed to have myocardial injury due to the cardioversion itself. PMID- 29221607 TI - Leader-follower formation control of underactuated surface vehicles based on sliding mode control and parameter estimation. AB - This paper studies the leader-follower formation control of underactuated surface vehicles with model uncertainties and environmental disturbances. A parameter estimation and upper bound estimation based sliding mode control scheme is proposed to solve the problem of the unknown plant parameters and environmental disturbances. For each of these leader-follower formation systems, the dynamic equations of position and attitude are analyzed using coordinate transformation with the aid of the backstepping technique. All the variables are guaranteed to be uniformly ultimately bounded stable in the closed-loop system, which is proven by the distribution design Lyapunov function synthesis. The main advantages of this approach are that: first, parameter estimation based sliding mode control can enhance the robustness of the closed-loop system in presence of model uncertainties and environmental disturbances; second, a continuous function is developed to replace the signum function in the design of sliding mode scheme, which devotes to reduce the chattering of the control system. Finally, numerical simulations are given to demonstrate the effectiveness of the proposed method. PMID- 29221608 TI - A Case of Eruptive Disseminated Porokeratosis in a Cancer Patient after Trastuzumab and Exemestane Treatment: Cancer Related or Drug Induced Phenomenon? PMID- 29221606 TI - [Medical information system (PMSI) does not adequately identify severe trauma]. AB - BACKGROUND: Resource allocation to hospitals is highly dependent on appropriate case coding. For trauma victims, the major diagnosis-coding category (DCC) is multiple trauma (DCC26), which triggers higher funding. We hypothesized that DCC26 has limited capacity for appropriate identification of severe trauma victims. METHODS: We studied Injury Severity Score (ISS), Trauma Related Injury Severity Score (TRISS) and in-hospital mortality using data recorded in three level 1 trauma centers over a 2-year period. Patients were divided into two groups: DCC26 and non-DCC26. For non-DCC26 patients, two subgroups were identified: patients with severe head trauma and patients with spinal trauma. Clinical endpoints were mortality, ISS>15 and TRISS, IGS II. Use of hospital resources was estimated using funding and expenditures associated with each patient. RESULTS: During the study period, 2570 trauma victims were included in the analysis. These patients were 39+/-18 years old, with median ISS=14, and observed mortality=10 %. Group DCC26 had 811 (31 %) patients, group non-DCC26 1855 (69 %) patients. DCC26 coding identified a more severely injured group of patients. However, in the group non-DCC26, there was a high proportion of severe trauma (ISS>15: 35 %; TRISS<0.95: 9 %). CONCLUSION: DCC26 is not an appropriate coding for severe trauma patients. For these patients, expenditures will include intensive care and rare and costly resources. We propose to take into account the TRISS score to improve trauma coding. PMID- 29221609 TI - Pitiryasis Lichenoides et Varioliformis Aacuta Associated With Human Herpesvirus 7. AB - Pityriasis lichenoides et varioliformis acuta and pityriasis lichenoides chronica represent 2 ends of a disease spectrum of unknown etiology. Herein we describe 2 cases of pityriasis lichenoides et varioliformis acuta, in which human herpesvirus 7 DNA was detected in skin samples by polymerase chain reaction methodology, an association not previously described. This report may support the involvement of viral infection in the etiopathogeny of this disease. PMID- 29221611 TI - Resin infiltration is probably effective in reducing the progression of noncavitated proximal carious lesions in primary molars. PMID- 29221612 TI - Low-level laser therapy may reduce the time of recovery from paresthesia after orthognathic surgery. PMID- 29221610 TI - Alcohol Misuse and Injury Outcomes in Young People Aged 10-24. AB - PURPOSE: The burden of alcohol-attributable disease is a global problem. Young people often present to emergency health-care services with alcohol intoxication but little is known about how best to intervene at that point to improve future health outcomes. This study aimed to assess whether young people with an alcohol specific hospital admission are at increased risk of injury following discharge. METHODS: A cohort study was conducted using a general population of 10- to 24 year-olds identified using primary care medical records with linked hospital admission records between 1998 and 2013. Exposed individuals had an alcohol specific admission. Unexposed individuals did not and were frequency matched by age (+/-5 years) and general practice (ratio 10:1). Incidence rates of injury related hospital admission post discharge were calculated, and hazard ratios (HR) were estimated by Cox regression. RESULTS: The cohort comprised 11,042 exposed and 110,656 unexposed individuals with 4,944 injury-related admissions during follow-up (2,092 in exposed). Injury rates were six times higher in those with a prior alcohol admission (73.92 per 1,000 person-years, 95% confidence interval (CI) 70.82-77.16 vs. 12.36, 11.91-12.81). The risk of an injury admission was highest in the month following an alcohol-specific admission (adjusted HR = 15.62, 95% CI 14.08-17.34), and remained higher compared to those with no previous alcohol-specific admission at 1 year (HR 5.28 (95% CI 4.97-5.60)) and throughout follow-up. CONCLUSIONS: Young people with an alcohol-specific admission are at increased risk of subsequent injury requiring hospitalization, especially immediately post discharge, indicating a need for prompt intervention as soon as alcohol misuse behaviors are identified. PMID- 29221613 TI - Immediate loading probably lowers the survival rate of single mandibular implants supporting mandibular overdentures compared with delayed loading. PMID- 29221614 TI - Using amoxicillin plus metronidazole as an adjunct to nonsurgical periodontal treatment results in little benefit, and there seems to be no difference among regimens. PMID- 29221615 TI - Is exposure to aluminium adjuvants associated with social impairments in mice? A pilot study. AB - BACKGROUND: Our group has shown that significant correlations exist between rates of Autism Spectrum Disorder (ASD) and total aluminum adjuvants given to children through vaccines in several Western countries. These correlations satisfied eight out of nine Hill criteria for causality. Experimental studies have demonstrated a range of behavioural abnormalities in young mice after postnatal exposure to aluminium. To build on our previous work, the current study will investigate the effect of aluminium adjuvants on social behaviour in mice. Anomalies in social interaction are a key characteristic of those with ASD. METHODS: Neonatal CD-1 mice pups were injected with either a total of 550MUg of aluminum hydroxide gel (experimental group) or saline (control) spread out during the first two weeks of postnatal life. The mice were then subjected to behavioural tests for social interest and social novelty at postnatal week 8, 17 and 29. p-Values were calculated using the Mann-Whitney and Kruskal Wallis tests. RESULTS: Aluminum injected mice showed diminished social interest compared to controls at week 8 (p=0.016) and 17 (p=0.012). They also demonstrated abnormal social novelty from controls at week 8 (p=0.002) and week 29 (p=0.042). CONCLUSION: This is the first experimental study, to our knowledge, to demonstrate that aluminum adjuvants can impair social behaviour if applied in the early period of postnatal development. The study, however, is insufficient to make any assertive claims about the link between aluminium adjuvants and ASD in humans. PMID- 29221616 TI - Dengue fever: Report from the task force on tropical diseases by the World Federation of Societies of Intensive and Critical Care Medicine. AB - Dengue is an arbovirus affecting humans and spread by mosquitoes. Severe dengue follows a secondary infection with a different virus serotype. The problem is truly global as it is endemic in over 100 countries. Severe dengue can be a life threatening because of increased vascular permeability, resulting in leakage of fluid from the intravascular compartment to the extravascular space. When major bleeding does occur, it is almost invariably combined with profound shock since this, in combination with thrombocytopenia, hypoxia, and acidosis, can lead to multiple organ failure and disseminated intravascular coagulation. Dengue hemorrhagic fever and dengue shock syndrome are among the leading causes of morbidity and mortality in patients suffering from Dengue. Commercial rapid tests and ELISA kits are freely available, ensuring early diagnosis. The basis of management of severe dengue is effective fluid replacement. Future directions in management will involve vector control and development of effective vaccination. PMID- 29221618 TI - Commentary to 'Urinary tract infection in children: Diagnosis, treatment, imaging - Comparison of current guidelines'. PMID- 29221617 TI - Minor procedure, major impact: Patient-reported outcomes following urethral meatotomy. AB - INTRODUCTION: Urethral meatotomy as treatment for meatal stenosis is a common pediatric urology procedure; however, little is known about the patient experience following this procedure. OBJECTIVE: We aim to evaluate clinical factors associated with patient-reported symptom improvement after urethral meatotomy. STUDY DESIGN: The families of boys undergoing urethral meatotomy between 2/2013 and 8/2016 received a survey by mail 6 weeks after surgery. Families were queried on changes in symptoms using a Likert-type scale (5 = much improved, 4 = somewhat improved, 3 = no change, 2 = somewhat worse, and 1 = much worse). Patient and procedure characteristics of the respondents were obtained via chart review. These included surgical indication(s) (abnormal stream, dysuria, or storage symptoms), postoperative complications, reoperation, and unplanned postoperative communications. Patients who had procedures other than simple urethral meatotomy were excluded. Descriptive statistics were compiled, and generalized estimating equations used to determine the associations of patient and procedure characteristics with symptom improvement. RESULTS: We sent 629 surveys and received 194 responses (30.4%). Twelve respondents were excluded for complex procedures or miscoding. The majority of respondents were privately insured (74%) and were between 5 and 12 years old (45%) or 1 and 4 years old (42%). The most frequent surgical indication was abnormal stream (72%) followed by pain (21%) and storage symptoms (15.5%). Nine respondents had minor complications (4.9%). Four patients had restenosis requiring repeat urethral meatotomy. After surgery, a majority (79%) were "much improved," 16% were "somewhat improved," 3% had "no change," and 1% were "somewhat worse." No family reported "much worse." Those patients who had "abnormal stream" as a surgical indication were significantly more likely to report "much improved" (OR 1.83, p = 0.014) than those without. Patient-reported improvement was not associated with suture use, patient age, insurance, surgeon, or location of the procedure (Table). DISCUSSION: Little has been written about patient-reported outcomes following urethral meatotomy. Our study affirms that the majority of boys improve following this procedure. However, improvement is significantly more likely if the child has a preoperative indication of an abnormal stream, such as deflection or spraying. Boys with symptoms of dysuria, frequency, or incontinence may be experiencing sequelae of meatal stenosis that simply take longer to improve. Alternatively, the meatal stenosis may be incidental to the primary symptoms. CONCLUSIONS: A majority of families report substantial symptomatic improvement after urethral meatotomy. However, boys undergoing urethral meatotomy for reasons other than a urinary stream abnormality are less likely to experience improvement. PMID- 29221619 TI - Economic susceptibility of fire-prone landscapes in natural protected areas of the southern Andean Range. AB - Large fires are the most important disturbances at landscape-level due to their ecological and socioeconomic impacts. This study aimed to develop an approach for the assessment of the socio-economic landscape susceptibility to fire. Our methodology focuses on the integration of economic components of landscape management based on contingent valuation method (CVM) and net-value change (NVC). This former component has been estimated using depreciation rates or changes on the number of arrivals to different natural protected areas after a large fire occurrence. Landscape susceptibility concept has been motivated by the need to assist fire prevention programs and environmental management. There was a remarkable variation in annual economic value attributed to each protected area based on the CVM scenario, ranging from 40,189-46,887$/year ("Tolhuaca National Park") to 241,000-341,953$/year ("Conguillio National Park"). We added landscape susceptibility using depreciation rates or tourist arrival decrease which varied from 2.04% (low fire intensity in "Tolhuaca National Park") to 76.67% (high fire intensity in "Conguillio National Park"). The integration of this approach and future studies about vegetation resilience should seek management strategies to increase economic efficiency in the fire prevention activities. PMID- 29221620 TI - [Nomograms in routine clinical practice: Methodology, interest and limitations]. AB - In order to help the clinician, mathematical models including several clinical and pathological variables are proposed in the literature with the aim to predict the occurrence of an event of interest. Nomograms allow individual prognosis for each patient. When they are developed, validated and correctly used, nomograms can provide important information for patients' care. But, despite the strong interest in nomograms in oncology, statistical methodologies used remain unknown from the medical community. This paper presents the major steps in the development, the validation and the clinical use of nomograms. Examples are given to illustrate these different points and the limits of this methodology. Finally, guidelines on the use of nomograms are proposed for clinicians. PMID- 29221621 TI - [Fertility preservation in oncology]. AB - Since the improvement of cancer diagnosis and treatment, survival rates of these patients increase. Gonadal damages are frequent consequences of cancer treatments with different evidence of impaired fertility. In this context, fertility preservation should be proposed to patients exposed to potentially gonadotoxic treatments. Different preservation approaches may be proposed depending on patient age, sex, cancer type and type of treatment. The indications of fertility preservation depend on sexual maturity. In young girls, ovarian cortex cryopreservation is the only technique feasible in order to preserve their reproductive potential. Vitrification of oocytes which needs ovarian stimulation or oocytes in vitro maturation is becoming more commonly performed for pubertal women to preserve their fertility. Ovarian cortex freezing could be offered to emergency fertility preservation of adult female cancer patients. In prepubertal boys, testicular tissue cryopreservation is the only line treatment for fertility preservation. For future use, various approaches are being evaluated such as spermatogonial stem cell injection or in vitro maturation. Cryopreservation of spermatozoa is, today, an established and successful technique for male adults. When there are no spermatozoa in ejaculate, sperm can be retrieved after treatment of testicular biopsy. The French bioethics law clearly indicates that fertility preservation should be proposed to patients exposed to potentially gonadotoxic treatment. Today, many approaches are possible. Fertility preservation indications are based on multidisciplinary consultations within platforms for the fertility preservation in order to optimize the patient care. PMID- 29221622 TI - Editorial overview: Protein-nucleic acid interactions: An expanding universe. PMID- 29221623 TI - Editorial overview: Catalysis and regulation. PMID- 29221624 TI - International Medical Graduates in Nephrology: Roles, Rules, and Future Risks. AB - International medical graduates (IMGs) have become an increasingly essential part of many residency and fellowship programs in the United States. IMGs, who may be of either US or non-US citizenship, contribute significantly to the physician workforce across this country, particularly in underserved areas, as well as in their home countries on their return after training. Approximately 65% of nephrology fellows are IMGs, with most of these being non-US citizens. Non-US IMG applications for nephrology fellowship have been declining, exacerbating an ongoing shortage of nephrology trainees. IMGs face visa status restrictions and immigration policy concerns, limitations on federally funded research support, and difficulty finding desirable jobs in both private practices and academia after fellowship. We review training, examination, and licensure requirements, as well as visa status rules for IMGs. We also discuss the potential negative impact of recent immigration policies limiting the entry of non-US IMGs on the medical community in general and in nephrology in particular. PMID- 29221625 TI - Population Health for CKD and Diabetes: Lessons From the Indian Health Service. AB - Despite extensive clinical guidelines, innovative efforts to improve care, and well-funded efforts to raise awareness, limited progress has been made in reducing the burden of kidney disease in the United States, and the prevalence continues to increase worldwide. The Indian Health Service and the Centers for Disease Control and Prevention recently reported a 54% decrease in the incidence of kidney failure among American Indian and Alaska Native people with diabetes. This decrease in end-stage renal disease incidence was associated with a population health approach to diabetes care based in the community and the primary clinical setting. The effort focused on integrating better care for kidney disease within the context of routine diabetes care. Although the American Indian population and the Indian Health Service may be unfamiliar to many clinicians and health system administrators, the demonstration that simple evidence-based interventions implemented in a comprehensive and consistent way can reduce the burden of end-stage renal disease suggests that population-based approaches to chronic disease offer significant potential benefits. Large pragmatic trials may offer the best way to rigorously test this hypothesis. PMID- 29221626 TI - Effects of Oral Nutritional Supplements on Mortality, Missed Dialysis Treatments, and Nutritional Markers in Hemodialysis Patients. AB - OBJECTIVE: Protein-energy wasting is common in end-stage renal disease patients undergoing dialysis and is strongly associated with mortality and adverse outcomes. Intradialytic oral nutritional supplements (ONS) reduce risk of mortality in these patients. Large studies characterizing the impact of ONS on other outcomes are lacking. We assessed the associations between administration of ONS and clinical and nutritional outcomes. DESIGN: Retrospective evaluation of a pilot program providing ONS to patients at a large dialysis organization in the United States. The pilot program provided ONS to in-center hemodialysis patients with serum albumin <=3.5 g/dL at 408 facilities. SUBJECTS: ONS patients were compared to matched controls with serum albumin <=3.5 g/dL, identified from facilities not participating in the ONS program (n = 3,374 per group). INTERVENTION: Receipt of ONS. MAIN OUTCOME MEASURES: Death, missed dialysis treatments, hospitalizations, serum albumin, normalized protein catabolic rate, and postdialysis body weight were abstracted from large dialysis organization electronic medical records. RESULTS: There was a 69% reduction in deaths (hazard ratio = 0.31; 95% confidence interval = 0.25-0.39), and 33% fewer missed dialysis treatments (incidence rate ratio = 0.77; 95% confidence interval = 0.73-0.82) among ONS patients compared to controls (P < .001 for both). The effects of ONS on nutritional indices were mixed: serum albumin was lower, whereas normalized protein catabolic rate values, a surrogate for dietary protein intake, and postdialysis body weights were higher for ONS patients compared to controls during follow-up. CONCLUSIONS: Our evaluation confirmed the beneficial effects of ONS in reducing mortality and improving some indices of nutritional status for hypoalbuminemic hemodialysis patients. We also report the novel finding that ONS can reduce the number of missed dialysis treatments. These results support the use of intradialytic ONS as an effective intervention to improve the outcomes in hemodialysis patients with low serum albumin. PMID- 29221627 TI - Alkaline Diet and Metabolic Acidosis: Practical Approaches to the Nutritional Management of Chronic Kidney Disease. AB - The kidneys play an extremely important role in maintaining the body acid-base balance by excreting nonvolatile acids and regenerating and reabsorbing bicarbonate in the kidney tubules. As the individual loses their kidney function, renal excretion of nonvolatile acid produced by metabolism of the diet is impaired, resulting in low-grade metabolic acidosis. With this in mind, it is relevant to better understand the dietary aspects related to the acid-base balance in chronic kidney disease metabolic acidosis and try to provide possible strategies for the nutritional management of these cases. The type of diet can deeply affect the body by providing acid or base precursors. Generally speaking, foods such as meat, eggs, cheese, and grains increase the production of acid in the organism, whereas fruit and vegetables are alkalizing. On the other hand, milk is considered neutral as well as fats and sugars, which have a small effect on acid-base balance. The modern Western-type diet is deficient in fruits and vegetables and contains excessive animal products. Thus metabolic acidosis may be exacerbated by a contemporary Western diet, which delivers a high nonvolatile acid load. The remaining acid is neutralized or stored within the body. Bone and muscle are lost to neutralize the acid and serum bicarbonate falls. Early studies suggest that lowering the dietary acid load with a reduced protein content and vegetable proteins replacements, associated with an increase in fruits and vegetables intake can improve the metabolic parameters of acidosis, preserve bone and muscle, and slow the glomerular filtration rate decline. More studies focusing on the effects of controlled dietary interventions among chronic kidney disease patients are needed to determining the optimal target for nutritional therapy. PMID- 29221628 TI - Recommendations for the implantation of leadless pacemakers from the French Working Group on Cardiac Pacing and Electrophysiology of the French Society of Cardiology. PMID- 29221630 TI - Enrichment of 57Fe isotope in neutron flux of nuclear reactors observed by Mossbauer spectroscopy. AB - The abundance of 57Fe isotope in nuclear reactor core materials can be considerably enriched by neutron-capture 56Fe(n,gamma) reactions. This is demonstrated using the sections of Zr-2.5 wt.%Nb pressure tubes removed from two CANDU* reactors. The tubes contained 0.11 and 0.04wt% Fe and were irradiated for about 10 effective full power years (EFPY) up to ~1026n/m2 fast neutron (E > 1MeV) fluencies. The Mossbauer spectra of 57Fe in irradiated samples indicated up to 10 times larger areas than unirradiated off-cuts from the same pressure tubes. The observed effect is in accord with the values calculated for known thermal neutron-capture cross-sections and resonance capture integrals, neutron flux profiles and spectra, and times of irradiation. The build-up of 57Fe facilitated recording Mossbauer absorption spectra of alloys with minor amount of Fe down to ~ 400ppm, despite intense background radiation emitted by samples. These findings can open new possibilities in post-irradiation studies of alloys used in nuclear reactors and in other objects subjected to large neutron fluencies. PMID- 29221629 TI - 224th ENMC International Workshop:: Clinico-sero-pathological classification of immune-mediated necrotizing myopathies Zandvoort, The Netherlands, 14-16 October 2016. PMID- 29221631 TI - A population-based evaluation of the natural history of chronic pancreatitis. AB - BACKGROUND: Based on reports from tertiary care centers, chronic pancreatitis (CP) is considered to be a painful and debilitating disease frequently requiring invasive interventions. Our primary aim was to assess the natural course of CP in a population-based cohort using endoscopic and surgical interventions as surrogates for disease aggressiveness. METHODS: We identified all patients (n = 89, alcoholic [ACP = 46], non-alcoholic [NACP] = 43) with newly diagnosed definite CP from Olmsted County, Minnesota between 1977 and 2006. Patients were followed until death or censoring. Medical records were reviewed at time of diagnosis and during each follow-up. Both lifetime proportions and cumulative incidence since the initial manifestation of CP were estimated and compared. Survival was estimated with Kaplan-Meier methodology. RESULTS: Median age at CP diagnosis was 56 years (IQR, 48-67) and 56% were male. During median follow-up of 10 years, 68 (76%) experienced pancreatic pain, but only 27 (30%) needed any invasive therapeutic intervention: 23% had endotherapy and 11% had pancreatic surgery. During the clinical course, when compared with NACP, ACP patients had significantly more (all p < 0.05) pain (87 vs. 65%), recurrent acute pancreatitis (44 vs. 23%), pseudocysts (41 vs. 16%), cumulative incidence of exocrine insufficiency (60 vs. 21%), and annual hospitalizations after CP diagnosis (0.79 vs. 0.25). The cumulative risk of diabetes, calcifications, surgery and overall survival was similar in ACP and NACP. CONCLUSIONS: Our study suggests that CP at a population level may have a milder course than that reported from tertiary centers. We confirm that ACP has a more severe phenotype than NACP. PMID- 29221632 TI - Transarterial chemoembolization in pancreatic adenocarcinoma with liver metastases: MR-based tumor response evaluation, apparent diffusion coefficient (ADC) patterns, and survival rates. AB - PURPOSE: To retrospectively investigate the effectiveness of triple drug combination transarterial chemoembolization (TACE) on local tumor response and survival in patients with liver metastases from pancreatic cancer. Also, this study will evaluate the variances in response regarding the number of metastases, assess the correlation between tumor response and the changes in the apparent diffusion coefficients (ADC) in diffusion weighted (DW) MRI. MATERIALS AND METHODS: One hundred and twelve patients (58 men and 54 women; mean age 57) with malignant liver metastases from pancreatic adenocarcinoma underwent at least one session of TACE with a chemotherapeutic combination of mitomycin C, cisplatin, and gemcitabine. A size-based evaluation of tumor response (response evaluation criteria in solid tumors (RECIST)) was conducted, along with ADC values, and survival indices as related to treatment pattern. RESULTS: Four weeks following the end of the treatment, 78.26% of patients showed stable disease and 11.59% showed partial response. The median survival time was 19 months and for the stable disease group, 26 months. Low pretreatment ADC values showed no significant correlation to poor response to treatment (r = 0.347,p = 0.146). CONCLUSION: The triple drug TACE technique showed improvements in median survival times in patients with hepatic metastases from pancreatic carcinoma and helped control disease progression, whereas the number of hepatic lesions was not a statistically significant factor in patients' response to TACE. The data suggest that pre-treatment ADC values in DW-MRI have no statistical correlation with tumor response. PMID- 29221634 TI - [Point-of-care ultrasound for suspected secondary arterial hypertension]. PMID- 29221635 TI - Relationship between duration of second stage of labour and postpartum anaemia. AB - AIM: To assess the relationship between the duration of the second stage of labour and postpartum anaemia during vaginal birth. METHODS: An observational, analytical retrospective cohort study was performed at the "Mancha-Centro Hospital" (Spain) during the 2013-2016 period. Data were collected from 3437 women who had a vaginal birth. Postpartum anaemia was defined as a haemoglobin level below 11g/dL at 24h postpartum. A univariate analysis was used for potential risk factors and a multivariate analysis with binary logistic regression to control for possible confounding factors. FINDINGS: The incidence of postpartum anaemia was 42.0%. The risk of postpartum anaemia did not increase in nulliparous women whose duration of the second stage of labour exceeded 4h. Compared with multiparous women who delivered between 0 and 3h, multiparous women with a duration of the second stage of labour beyond 3h were at higher risk of postpartum anaemia (OR=2.43 [1.30-4.52]). CONCLUSION: The duration of the second stage of labour beyond 4h is safe for postpartum anaemia in nulliparous women. However in multiparous women, monitoring should increase if the second stage of labour exceeds 3h given the increased risk of postpartum anaemia. PMID- 29221633 TI - Proteases of Sporothrix schenckii: Cytopathological effects on a host-cell model. AB - BACKGROUND: Sporotrichosis is a fungal infection caused by the Sporothrix schenckii complex. The adhesion of the fungus to the host tissue has been considered the key step in the colonization and invasion, but little is known about the early events in the host-parasite interaction. AIMS: To evaluate the proteolytic activity of S. schenckii on epithelial cells. METHODS: The proteolytic system (at pH 5 and 7) was evaluated using azocoll and zymograms. The host-parasite interaction and epithelial cell response were also analyzed by examining the microfilament cytoskeleton using phalloidin-FITC and transmission electron microscopy. Finally, the metabolic activity was determined using an XTT assay. RESULTS: The zymograms showed that S. schenckii yeast cells possess high intracellular and extracellular proteolytic activities (Mr>=200, 116, 97, and 70kDa) that are pH dependent and are inhibited by PMSF and E64, which act on serine and cysteine-type proteases. During the epithelial cell-protease interaction, the cells showed alterations in the microfilament distribution, as well as in the plasma membrane structure. Moreover, the metabolic activity of the epithelial cells decreased 60% without a protease inhibitor. CONCLUSIONS: Our data demonstrate the complexity of the cellular responses during the infection process. This process is somehow counteracted by the action of proteases inhibitors. Furthermore, the results provide critical information for understanding the nature of host-fungus interactions and for searching a new effective antifungal therapy, which includes protease inhibitors. PMID- 29221636 TI - Urothelial neoplasms in pediatric and young adult patients: A large single-center series. AB - PURPOSE: Bladder cancer is the sixth most common cancer in the United States, but is exceedingly rare in young patients, leading to a lack of accepted standards for diagnosis, treatment, and surveillance. We review our institutional experience with bladder urothelial neoplasms in pediatric and young adult patients summarizing presentation, treatment, and outcomes. METHODS: Surgical pathology records at our institution were searched for cases of urothelial neoplasms among patients <=25 years of age treated between January 1997 and September 2016. Cases submitted exclusively for pathology review were excluded. Diagnoses were confirmed based on pathologic examination using the 2004 World Health Organization classification system. RESULTS: Thirty-four patients were identified with a mean age of 21.1 years (range 8-25 years), and median follow-up was 25.1 months (1-187 months). The male to female ratio was 1.83:1. The most common presenting symptom was hematuria (n=26; 76%). Diagnoses were invasive urothelial carcinoma (n=3), noninvasive urothelial carcinoma (n=24), PUNLMP (n=6), and urothelial papilloma (n=1). Noninvasive lesions were resected by cystoscopy, after which 12% (n=4) experienced complications (grade II or greater). One patient with stage IV invasive disease at diagnosis died, and 2 patients developed recurrences. Of those with noninvasive carcinoma, 29% (n=7) required repeat cystoscopy soon after initial TURBT at outside institutions, and 17% (n=4) had tumors downgraded from high-grade to low-grade after pathology review. CONCLUSION: Hematuria is the most common sign of bladder neoplasia in children and young adults and should be investigated by cystoscopy. The majority of urothelial neoplasms in these patients are noninvasive and can be successfully treated with transurethral resection. LEVEL OF EVIDENCE: Level IV (Retrospective study with no comparison group). PMID- 29221637 TI - Effect of previous abdominal surgery and gallbladder appearance on biliary atresia outcomes. AB - BACKGROUND: Biliary atresia (BA) is typically treated by Kasai portoenterostomy (KPE), and there is a relationship between age at surgery and outcome. We hypothesize that previous abdominal surgery (PAS) for associated congenital intestinal conditions could be used to identify BA earlier, perhaps improving prognosis. METHODS: A retrospective case note review was performed of all BA patients at a single centre from 1999 to 2016. Demographics and clinical outcome data were collected. Additional data on laparotomy, parenteral nutrition, and referral were collected from patients who underwent PAS. Data are median (range). MAIN RESULTS: Two-hundred-and-fifty-seven children were reviewed. Of these, 16 (6.2%) underwent PAS on day 3 (0-23), during which 5 atretic gallbladders were noted. Gallbladder appearance was not referenced in the operation notes of 8 infants. Jaundice and acholic stools were noted at 4 (0-56) days and 21 (0-60) days, respectively. Age at KPE was comparable between PAS and the other patients (50 vs. 51days; P=0.78), but native liver survival was significantly lower after PAS (p<0.0001). Mortality rate was higher in PAS patients (25% vs. 4.5%; P=0.0007). Survival was unaffected by early referral of patients on finding an atretic gallbladder at surgery. CONCLUSION: About 6% of infants have already undergone abdominal surgery for biliary atresia associated intestinal anomalies. Routine gallbladder examination at time of laparotomy could have aided earlier diagnosis and treatment of biliary atresia in up to 80% of patients in this cohort. However, our data suggest that clinical outcome is poorer in biliary patients who undergo prior abdominal surgery and is not improved by earlier referral. LEVEL OF EVIDENCE: Prognostic study: Level III. PMID- 29221638 TI - D-dimer level correlation with treatment response in children with venous malformations. AB - AIM: Localized intravascular coagulopathy is present in children with venous malformations (VMs) as evidenced by elevated D-dimer levels. Few studies have looked into the changes in D-dimer after sclerotherapy and its correlation with treatment outcome and complications. Our study aims to investigate changes in D dimer in children with VMs undergoing alcohol sclerotherapy. METHODS: A prospective cohort study from 2014 to 2016, which included children (<18years) with VM undergoing alcohol sclerotherapy, was completed. Demographics and lesion characteristics were recorded. Perioperative D-dimer levels were collected 2weeks prior to treatment (baseline) and on postoperative days 1, 2, 5, and 14, respectively. A raised postoperative D-dimer was defined as a peak level of at least 50% increase of baseline D-dimer. Children were followed up with documentation of lesional size at 6months and long-term recurrence beyond 6months of treatment. RESULTS: Eighteen children were identified (10 females, 8 males) with a median follow up of 21months. Overall, 15 patients (83%) had a satisfactory outcome. Baseline D-dimer levels were high in 8 patients (44%). Postoperative D-dimer level was raised in 12 patients irrespective of their baseline levels, with 92% peaking on postoperative day one (n=11). In the elevated D-dimer group, 11 patients had a satisfactory outcome, and 10 patients did not have long-term recurrence. We did not encounter any complications in our cohort. CONCLUSION: Changes in perioperative D-dimer levels may predict early treatment response and long-term recurrence after alcohol sclerotherapy. With a standardized protocol, alcohol sclerotherapy for venous malformation is safe with minimal complications. TYPE OF STUDY: Prognosis study. LEVEL OF EVIDENCE: IV. PMID- 29221639 TI - Nerve growth factor released from collagen scaffolds protects axotomized cholinergic neurons of the basal nucleus of Meynert in organotypic brain slices. AB - BACKGROUND: Alzheimers disease is accompanied by cell death of cholinergic neurons, resulting in cognitive impairment and memory loss. Nerve growth factor (NGF) is the most potent protein to support survival of cholinergic neurons. NEW METHOD: Organotypic brain slices of the basal nucleus of Meynert (nBM) are a valuable tool to study cell death of axotomized cholinergic neurons, as well as protective effects of NGF added into the medium. The aim of the present study is to use collagen scaffolds crosslinked with polyethyleneglycole and load with NGF to target delivery of NGF to organotypic nBM brain slices. RESULTS: Collagen scaffolds (visualized by incorporating AlexaFluor 488 antibodies) slowly degraded when applied onto organotypic brain slices within 2 weeks in culture. GFAP reactive astrocytes and Iba1+ microglia became visible around the collagen scaffolds 7days after incubation, showing reactive gliosis. Cholinergic neurons of the nBM survived (201+/-21, n=8) when incubated with 100ng/ml NGF in the medium compared to NGF-free medium (69+/-12, n=7). Collagen scaffolds loaded with NGF (1ng/2MUl scaffold) significantly rescued cholinergic cell death in the nBM brain slices (175+/-12, n=10), which was counteracted by an anti-NGF antibody (77+/-5, n=5). COMPARISON WITH EXISTING METHODS: The combination of coronal brain slices with biomaterial is a novel and potent tool to selectively study neuroprotective effects. CONCLUSIONS: Collagen scaffolds loaded with low amounts of a protein/drug of interest can be easily applied directly onto organotypic brain slices, allowing slow targeted release of a protective molecule. Such an approach is highly useful to optimize CollScaff for further in vivo applications. PMID- 29221640 TI - Threshold-based segmentation of fluorescent and chromogenic images of microglia, astrocytes and oligodendrocytes in FIJI. AB - BACKGROUND: Image segmentation is often imperfect, particularly in complex image sets such z-stack micrographs of slice cultures and there is a need for sufficient details of parameters used in quantitative image analysis to allow independent repeatability and appraisal. NEW METHOD: For the first time, we have critically evaluated, quantified and validated the performance of different segmentation methodologies using z-stack images of ex vivo glial cells. The BioVoxxel toolbox plugin, available in FIJI, was used to measure the relative quality, accuracy, specificity and sensitivity of 16 global and 9 local threshold automatic thresholding algorithms. RESULTS: Automatic thresholding yields improved binary representation of glial cells compared with the conventional user chosen single threshold approach for confocal z-stacks acquired from ex vivo slice cultures. The performance of threshold algorithms varies considerably in quality, specificity, accuracy and sensitivity with entropy-based thresholds scoring highest for fluorescent staining. COMPARISON WITH EXISTING METHODS: We have used the BioVoxxel toolbox to correctly and consistently select the best automated threshold algorithm to segment z-projected images of ex vivo glial cells for downstream digital image analysis and to define segmentation quality. The automated OLIG2 cell count was validated using stereology. CONCLUSIONS: As image segmentation and feature extraction can quite critically affect the performance of successive steps in the image analysis workflow, it is becoming increasingly necessary to consider the quality of digital segmenting methodologies. Here, we have applied, validated and extended an existing performance-check methodology in the BioVoxxel toolbox to z-projected images of ex vivo glia cells. PMID- 29221641 TI - p53-expression in patients with renal cell carcinoma correlates with a higher probability of disease progression and increased cancer-specific mortality after surgery but does not enhance the predictive accuracy of robust outcome models. AB - OBJECTIVE: Due to lacking external validation, molecular biomarkers are currently not applied for risk-stratification of patients with localized renal cell carcinoma. The objective of this study was to externally validate a molecular multi-marker panel included in a previously proposed prognostic nomogram for the prediction of postoperative disease-free survival. METHODS AND MATERIALS: Besides pathologic tumor stage (pT) and ECOG-Performance Status, the nomogram includes 5 molecular markers (Ki-67, p53, VEGFR-1 endothelial or epithelial, and VEGF-D epithelial). The validation cohort comprised 343 renal cell carcinoma patients treated by radical nephrectomy or nephron-sparing surgery from 1999 to 2004 at a single academic center (median follow-up: 100 months). By multivariable Cox proportional-hazards regression models, the impact of clinical and molecular markers included in the nomogram on disease progression (DP) and cancer-specific mortality (CSM) was assessed; in addition, it was evaluated to what extent molecular markers added to the models' predictive accuracy (PA). RESULTS: Of all parameters included in the nomogram, ECOG-PS and pT-stage only revealed a significant impact on both endpoints. p53 (per 10% measures) showed a significant impact on DP (HR = 1.31; P = 0.008), albeit not on CSM, while all other molecular markers did not impact study endpoints. Using Martingale residuals, a cut-off value for p53-expression<20% (negative) vs. >=20% (positive) yielded the highest impact on DP and CSM. In outcome-models including further well-established histo pathological factors, p53-expression dichotomized at 20% independently impacted DP (HR = 4.13; P = 0.004) and CSM (HR = 3.74; P = 0.033), while no significant PA gain was achieved. CONCLUSIONS: p53 showed a statistically significant impact on DP, albeit not on CSM, when applying the 10% expression cut-off as used in the original nomogram, while the prognostic value of all other examined markers included in the nomogram could not be confirmed. When an alternative cut-off of 20% was applied in multivariable models, p53 independently impacted DP and CSM, while the PA was not significantly enhanced. Hence, the clinical significance of p53 is still to be determined. Based on the results of this study it is not recommendable to use p53-expression and the Klatte nomogram in routine clinical decision-making. PMID- 29221642 TI - Impact of age on outcomes of patients with non-muscle-invasive bladder cancer treated with immediate postoperative instillation of mitomycin C. AB - OBJECTIVES: To evaluate whether age affects the clinical benefit afforded by immediate postoperative intravesical instillation of mitomycin C in a contemporary cohort of patients with NMIBC. PATIENTS AND METHODS: A total of 4,258 patients with NMIBC treated with transurethral resection of the bladder with (n = 2,605, 61%) or without (n = 1,652, 39%) one immediate instillation of mitomycin C from 5 institutions (study period: 2000-2007) were included. No patients received adjuvant instillations. A multivariable Cox proportional hazards regression model adjusting for standard clinical and pathological features tested the potential interaction term between age and administration of mitomycin C with regard to disease recurrence. RESULTS: A total of 2,063 patients experienced disease recurrence with a median follow-up of 48 months for those who did not recur. In multivariable Cox regression analysis, immediate postoperative instillation of mitomycin C (HR: 0.62; 95% CI: 0.56-0.68; P<0.0001) and age (HR: 1.04; 95% CI: 1.00-1.09; P = 0.036) were associated with disease recurrence. We observed only slight decreases in recurrence-free survival with age irrespective of treatment administration of mitomycin C or not. CONCLUSION: We confirmed reduced disease recurrence rates associated with 1 immediate postoperative intravesical instillation of mitomycin C in NMIBC patients. The benefit on recurrence-free survival of a postoperative intravesical instillation was preserved across all ages and therefore age by itself should not be taken into consideration when deciding to use it. PMID- 29221644 TI - Disease Control Priorities, 3rd edition-from theory to practice. PMID- 29221643 TI - Respiratory and cardiovascular responses to walking down a traffic-polluted road compared with walking in a traffic-free area in participants aged 60 years and older with chronic lung or heart disease and age-matched healthy controls: a randomised, crossover study. AB - BACKGROUND: Long-term exposure to pollution can lead to an increase in the rate of decline of lung function, especially in older individuals and in those with chronic obstructive pulmonary disease (COPD), whereas shorter-term exposure at higher pollution levels has been implicated in causing excess deaths from ischaemic heart disease and exacerbations of COPD. We aimed to assess the effects on respiratory and cardiovascular responses of walking down a busy street with high levels of pollution compared with walking in a traffic-free area with lower pollution levels in older adults. METHODS: In this randomised, crossover study, we recruited men and women aged 60 years and older with angiographically proven stable ischaemic heart disease or stage 2 Global initiative for Obstructive Lung Disease (GOLD) COPD who had been clinically stable for 6 months, and age-matched healthy volunteers. Individuals with ischaemic heart disease or COPD were recruited from existing databases or outpatient respiratory and cardiology clinics at the Royal Brompton & Harefield NHS Foundation Trust and age-matched healthy volunteers using advertising and existing databases. All participants had abstained from smoking for at least 12 months and medications were taken as recommended by participants' doctors during the study. Participants were randomly assigned by drawing numbered disks at random from a bag to do a 2 h walk either along a commercial street in London (Oxford Street) or in an urban park (Hyde Park). Baseline measurements of participants were taken before the walk in the hospital laboratory. During each walk session, black carbon, particulate matter (PM) concentrations, ultrafine particles, and nitrogen dioxide (NO2) concentrations were measured. FINDINGS: Between October, 2012, and June, 2014, we screened 135 participants, of whom 40 healthy volunteers, 40 individuals with COPD, and 39 with ischaemic heart disease were recruited. Concentrations of black carbon, NO2, PM10, PM2.5, and ultrafine particles were higher on Oxford Street than in Hyde Park. Participants with COPD reported more cough (odds ratio [OR] 1.95, 95% CI 0.96-3.95; p<0.1), sputum (3.15, 1.39-7.13; p<0.05), shortness of breath (1.86, 0.97-3.57; p<0.1), and wheeze (4.00, 1.52-10.50; p<0.05) after walking down Oxford Street compared with Hyde Park. In all participants, irrespective of their disease status, walking in Hyde Park led to an increase in lung function (forced expiratory volume in the first second [FEV1] and forced vital capacity [FVC]) and a decrease in pulse wave velocity (PWV) and augmentation index up to 26 h after the walk. By contrast, these beneficial responses were attenuated after walking on Oxford Street. In participants with COPD, a reduction in FEV1 and FVC, and an increase in R5-20 were associated with an increase in during-walk exposure to NO2, ultrafine particles and PM2.5, and an increase in PWV and augmentation index with NO2 and ultrafine particles. In healthy volunteers, PWV and augmentation index were associated both with black carbon and ultrafine particles. INTERPRETATION: Short-term exposure to traffic pollution prevents the beneficial cardiopulmonary effects of walking in people with COPD, ischaemic heart disease, and those free from chronic cardiopulmonary diseases. Medication use might reduce the adverse effects of air pollution in individuals with ischaemic heart disease. Policies should aim to control ambient levels of air pollution along busy streets in view of these negative health effects. FUNDING: British Heart Foundation. PMID- 29221646 TI - Remission of type 2 diabetes: mission not impossible. PMID- 29221645 TI - Primary care-led weight management for remission of type 2 diabetes (DiRECT): an open-label, cluster-randomised trial. AB - BACKGROUND: Type 2 diabetes is a chronic disorder that requires lifelong treatment. We aimed to assess whether intensive weight management within routine primary care would achieve remission of type 2 diabetes. METHODS: We did this open-label, cluster-randomised trial (DiRECT) at 49 primary care practices in Scotland and the Tyneside region of England. Practices were randomly assigned (1:1), via a computer-generated list, to provide either a weight management programme (intervention) or best-practice care by guidelines (control), with stratification for study site (Tyneside or Scotland) and practice list size (>5700 or <=5700). Participants, carers, and research assistants who collected outcome data were aware of group allocation; however, allocation was concealed from the study statistician. We recruited individuals aged 20-65 years who had been diagnosed with type 2 diabetes within the past 6 years, had a body-mass index of 27-45 kg/m2, and were not receiving insulin. The intervention comprised withdrawal of antidiabetic and antihypertensive drugs, total diet replacement (825-853 kcal/day formula diet for 3-5 months), stepped food reintroduction (2-8 weeks), and structured support for long-term weight loss maintenance. Co-primary outcomes were weight loss of 15 kg or more, and remission of diabetes, defined as glycated haemoglobin (HbA1c) of less than 6.5% (<48 mmol/mol) after at least 2 months off all antidiabetic medications, from baseline to 12 months. These outcomes were analysed hierarchically. This trial is registered with the ISRCTN registry, number 03267836. FINDINGS: Between July 25, 2014, and Aug 5, 2017, we recruited 306 individuals from 49 intervention (n=23) and control (n=26) general practices; 149 participants per group comprised the intention-to-treat population. At 12 months, we recorded weight loss of 15 kg or more in 36 (24%) participants in the intervention group and no participants in the control group (p<0.0001). Diabetes remission was achieved in 68 (46%) participants in the intervention group and six (4%) participants in the control group (odds ratio 19.7, 95% CI 7.8-49.8; p<0.0001). Remission varied with weight loss in the whole study population, with achievement in none of 76 participants who gained weight, six (7%) of 89 participants who maintained 0-5 kg weight loss, 19 (34%) of 56 participants with 5-10 kg loss, 16 (57%) of 28 participants with 10-15 kg loss, and 31 (86%) of 36 participants who lost 15 kg or more. Mean bodyweight fell by 10.0 kg (SD 8.0) in the intervention group and 1.0 kg (3.7) in the control group (adjusted difference -8.8 kg, 95% CI -10.3 to -7.3; p<0.0001). Quality of life, as measured by the EuroQol 5 Dimensions visual analogue scale, improved by 7.2 points (SD 21.3) in the intervention group, and decreased by 2.9 points (15.5) in the control group (adjusted difference 6.4 points, 95% CI 2.5-10.3; p=0.0012). Nine serious adverse events were reported by seven (4%) of 157 participants in the intervention group and two were reported by two (1%) participants in the control group. Two serious adverse events (biliary colic and abdominal pain), occurring in the same participant, were deemed potentially related to the intervention. No serious adverse events led to withdrawal from the study. INTERPRETATION: Our findings show that, at 12 months, almost half of participants achieved remission to a non-diabetic state and off antidiabetic drugs. Remission of type 2 diabetes is a practical target for primary care. FUNDING: Diabetes UK. PMID- 29221647 TI - Walking to a pathway for cardiovascular effects of air pollution. PMID- 29221649 TI - [Two cases of granuloma annulare under anti-PD1 therapy]. AB - BACKGROUND: Granuloma annulare as a granulomatous cutaneous reaction may be drug induced. Immune checkpoint inhibitors including programmed death-1 (PD-1) inhibitors show remarkable antitumor activity and are approved for melanoma and other cancers. Different immune-related adverse effects have been described. We report herein a rare adverse effect of anti-PD1 therapy given for metastatic melanoma : granuloma annulare. PATIENTS AND METHODS: Two women receiving pembrolizumab metastatic melanoma presented with granuloma annulare. The therapy was continued in both cases. In the first patient, granuloma annulare appeared and then subsided; in the second patient, the lesion resolved completely with topical corticosteroids. DISCUSSION: While there have been reported cases of sarcoidosis induced by immunotherapies, immunotherapy-induced granuloma annulare has not been described. The pathogenesis of drug-induced granulomatous reactions is thought to involve autoimmune dysregulation affecting T cells, especially Th1 cells, which lead to granuloma formation. Granuloma annulare should thus be considered a cutaneous adverse effect of anti-PD1 immunotherapy. PMID- 29221648 TI - Benefit of using motion compensated reconstructions for reducing inter-observer and intra-observer contouring variation for organs at risk in lung cancer patients. AB - BACKGROUND AND PURPOSE: In lung cancer patients, accuracy in contouring is hampered by image artefacts introduced by respiratory motion. With the widespread introduction of 4DCT there is additional uncertainty caused by the use of different reconstruction techniques which will influence contour definition. This work aims to assess both inter- and intra-observer contour variation on average and motion compensated (mid-position) reconstructions. MATERIAL AND METHODS: Eight early stage non-small cell lung cancer patients that received 4DCT were selected and these scans were reconstructed as average and motion compensated datasets. 5 observers contoured the organs at risk (trachea, oesophagus, proximal bronchial tree, heart and brachial plexus) for each patient and each reconstruction. Contours were compared against a STAPLE volume with distance to agreement metrics. Intra-observer variation was assessed by redelineation after 4 months. RESULTS: The inter-observer variation was significantly smaller using the motion compensated datasets for the trachea (p = 0.006) and proximal bronchial tree (p = 0.004). For intra-observer variation, a reduction in contour variation was seen across all organs at risk in using motion compensated reconstructions. CONCLUSIONS: This work shows that there is benefit in using motion compensated reconstructions for reducing both inter-observer and intra-observer contouring variations for organs at risk in lung cancer patients. PMID- 29221650 TI - [Immunohistochemistry using clone VE1 is an economic, specific and sensitive method for detecting the presence of BRAFV600E mutations in melanoma]. AB - BACKGROUND: Determination of BRAF mutation status is mandatory in the management of patients with inoperable stage IIIC or stage IV melanoma. Currently, molecular biology (MB) has been validated for detecting the presence of BRAF mutations. OBJECTIVE: To compare the sensitivity, specificity and cost of immunohistochemistry (IHC) (clone VE1) versus BM methods (qPCR and Sanger sequencing). PATIENTS AND METHODS: All the samples for which BRAF mutation status was requested between March 2013 and February 2015 at the cellular and molecular analysis laboratory of the Angers Hospital were included retrospectively and consecutively. The IHC (clone VE1) and BM analyses were performed with the same formalin-fixed paraffin embedded tumour samples. The cost of these two methods was determined on the basis of the cost for the French Health Insurance. RESULTS: Two hundred and seven samples were subjected to a determination of BRAF mutational status in IHC and BM. Only one sample was discordant between these two methods (positive in IHC, negative in BM). The sensitivity and specificity of the IHC was 100% and 99.25% respectively. The ratio of the cost of IHC/BM testing was 1:2.1. CONCLUSION: IHC (clone VE1) is a specific, sensitive and economic method for determining BRAFV600E mutation status. Nevertheless, this method must be validated in order to be integrated into a decisional algorithm, alongside BM methods, to determine whether targeted BRAF-inhibitor therapy is indicated. PMID- 29221651 TI - [The myth of virgin cleansing: Latest news on an archaic magico-religious practice]. AB - BACKGROUND: In the medical anthropology section of the Nanterre Hospital (France) for migrants and refugees, three cases were recorded of "virgin cleansing" in sub Saharan African countries. PATIENTS AND METHODS: These consisted of sexual assaults (2 instances of rape and 1 of sexual interference) on sexually immature females (young girls) by patients with sexually transmitted infections (mainly HIV, syphilis) hoping they might thereby be cured. DISCUSSION: These particularly atrocious hetero-aggressive sexual practices based on magical arguments are unfortunately universal and are not limited to a specific culture. At the medical anthropology level, the belief in cleansing by virgins is based on the notion that the patient is dirty and impure. In the same way that emetics and/or laxatives are prescribed in the case of intestinal disorders (to "eliminate" the disease), some subjects use diuretics for urinary abnormalities or, literally, "clean vaginas (or anuses)" to purge their own miasma. The rising tide of population migrations (some of whom carry chronic infections), refugee camps, prolonged incarcerations, etc., makes observations of such phenomena increasingly frequent. Belief in cleansing by virgins (and the fatal consequences thereof) will be difficult to eradicate. The education of populations and health professionals should promote absolute respect for the body of children, and, more generally, of others, particularly since at this time of increasingly marked migratory flows, this problem sadly risks becoming widespread. PMID- 29221652 TI - [Acyclovir-resistant perineal HSV infection revealing chronic lymphoid leukaemia]. AB - BACKGROUND: Chronic HSV infection is a cause of chronic perineal ulcerations. We report a case of a chronic and refractory HSV infection revealing chronic lymphoid leukaemia. PATIENTS AND METHODS: An 85-year-old woman with an 8-month history of chronic perineal ulcerations was referred to our dermatology department. She had no previous medical history of herpes infection. Skin biopsies ruled out carcinoma but were consistent with HSV infection. A local swab was positive for HSV2. Treatment with valaciclovir and intravenous acyclovir (ACV) at the recommended doses was ineffective. Laboratory tests revealed type-B chronic lymphoid leukaemia. Molecular biology studies confirmed the presence of ACV-resistant HSV via decreased thymidine kinase activity (stop codon: M183stop). Foscarnet was administered for a period of 3 weeks with almost complete healing of the ulcerations. Treatment was stopped prematurely due to acute renal insufficiency and the remaining lesions were treated using imiquimod cream. Valaciclovir was prescribed to prevent further episodes. The condition recurred a mere 11 months later. DISCUSSION: The prevalence of ACV-resistant HSV is 0.32 % in immunocompetent patients and 3.5 % in immunocompromised patients. Insufficient dosing regimens or prolonged treatment with TK inhibitors result in the local selection of pre-existing mutant HSV viruses. Foscarnet, a DNA polymerase inhibitor, is the treatment of choice in HSV-resistant infections. ACV-resistant HSV is less virulent and replicates less, with reactivations being mainly due to wild-type HSV latent in the neural ganglia. Valaciclovir can be used as a preventive treatment. To our knowledge, this is the first case of ACV-resistant HSV infection revealing chronic lymphoid leukaemia. CONCLUSION: Chronic perineal ulcerations can be the first manifestation of immunodeficiency seen for example with haematological diseases. In the event of clinical resistance of an HSV infection to recommended thymidine kinase inhibitor regimens, the use of foscarnet should be considered. PMID- 29221653 TI - [Challenges posed by cosmetic skin-bleaching]. PMID- 29221654 TI - Numerical simulation of hot-melt extrusion processes for amorphous solid dispersions using model-based melt viscosity. AB - Simulation of HME processes is a valuable tool for increased process understanding and ease of scale-up. However, the experimental determination of all required input parameters is tedious, namely the melt rheology of the amorphous solid dispersion (ASD) in question. Hence, a procedure to simplify the application of hot-melt extrusion (HME) simulation for forming amorphous solid dispersions (ASD) is presented. The commercial 1D simulation software Ludovic(r) was used to conduct (i) simulations using a full experimental data set of all input variables including melt rheology and (ii) simulations using model-based melt viscosity data based on the ASDs glass transition and the physical properties of polymeric matrix only. Both types of HME computation were further compared to experimental HME results. Variation in physical properties (e.g. heat capacity, density) and several process characteristics of HME (residence time distribution, energy consumption) among the simulations and experiments were evaluated. The model-based melt viscosity was calculated by using the glass transition temperature (Tg) of the investigated blend and the melt viscosity of the polymeric matrix by means of a Tg-viscosity correlation. The results of measured melt viscosity and model-based melt viscosity were similar with only few exceptions, leading to similar HME simulation outcomes. At the end, the experimental effort prior to HME simulation could be minimized and the procedure enables a good starting point for rational development of ASDs by means of HME. As model excipients, Vinylpyrrolidone-vinyl acetate copolymer (COP) in combination with various APIs (carbamazepine, dipyridamole, indomethacin, and ibuprofen) or polyethylene glycol (PEG 1500) as plasticizer were used to form the ASDs. PMID- 29221655 TI - Interleukin-6 and interleukin-10 plasma levels and mRNA expression in polytrauma patients. AB - PURPOSE: Host response to polytrauma occasionally has unpredictable outcomes. Immune response is a major factor influencing patient's outcome. This study evaluated the interaction of two main cytokines in immune response after major trauma, specifically interleukin-6 (IL-6) and interleukin-10 (IL-10). Plasma level of these cytokines is determined by mRNA expression of these cytokines genes which may decide the outcome of polytrauma patients. METHODS: This prospective multicenter trial held at four trauma centers enrolled 54 polytrauma patients [Injury Severity Score (ISS) >= 16]. Plasma levels and mRNA expression of IL-6 and IL-10 were measured for 5 days after trauma. Clinical evaluation was conducted to observe whether patients endured multiple organ dysfunction syndrome (MODS) and death. MODS evaluation was performed using sequential organ failure assessment (SOFA). Trauma load which in this study is represented with ISS, plasma level, expression of cytokine genes and patient's outcome were examined with correlation test and statistical analysis. RESULTS: The elevated IL-6/IL-10 ratio indicated increased activity of systemic inflammation response, especially pro-inflammation response which bears higher probability of progressing to MODS and death. The decline of IL-6/IL-10 ratio with heavy trauma load (ISS > 30) showed that compensatory anti-inflammation response syndrome (CARS) state was more dominant than systemic inflammatory response syndrome (SIRS), indicating that malfunction and failure of immune system eventually lead to MODS and deaths. The statistical significance in plasma level of cytokines was found in the outcome group which was defined as bearing a low trauma load but mortality. CONCLUSION: The pattern of cytokine levels in inflammation response has great impact on the outcome of polytrauma patients. Further study at the genetic level is needed to investigate inflammation process which may influence patient's outcome. PMID- 29221656 TI - Z-effect after intramedullary nailing systems for trochanteric femur fractures. AB - PURPOSE: The aim of this study was to investigate the incidence of Z-effect after dual lag screw intramedullary nailing systems and risk factors contributing to this effect. We hypothesized that long nails provide more neck strength due to a longer lever than short nails and are therefore less likely to develop a misbalance of a higher head compressive strength than neck compressive strength. METHODS: In this retrospective cohort study 103 patients treated operatively with a dual lag screw intramedullary nailing device for (sub)trochanteric hip fracture were included. We analysed patient charts regarding patient and operation characteristics. Furthermore we conducted radiologic measurements within the 2 year follow-up period to investigate the quality of fracture fixation, implant failure and predictors for Z-effect. The re-operation risk was investigated with multivariate regression analysis. RESULTS: The incidence of (reversed) Z-effect in this study was 9% (n = 80); 6 out of 7 Z-effects occurred in the short nail group, which was not significant. Patients who were treated with a long nail had a significant larger number of complications in comparison with the short nail group (median 2 vs 0.5, p = 0.001). The long nail group received more often erythrocytes blood transfusions (82% vs 31%, p < 0.01) and had a longer hospital stay (13 vs 21 days, p < 0.05). Migration of lag screws (p <0.05) and unstable fracture type (p < 0.05), were risk factors for re-operation. The re-operation rate within 2 year after surgery was 21%, of which one fourth was due to a Z effect. CONCLUSION: The nail length was not associated with the development of a Z-effect. Migration of lag screws after intramedullary nailing is common and a risk factor for re-operation. PMID- 29221657 TI - Involvement of RNA helicase p68 in skin wound healing process in rats. AB - PURPOSE: RNA helicase p68 plays an important role in organ development and maturation through tuning cell proliferation. However, the character and role of p68 in the whole wound healing process need more study. METHODS: First, we characterize expression of p68 in normal rat skin development postnatal. Then, we assayed dynamic change of p68 in rat skin from different stage after injury, and explored the role of p68 in proliferation and migration of three types of wound healing related cells. RESULTS: p68 was down-regulated during skin developmental and maturation process, up-regulated after wound, peaked on day 14 and then significantly decreased. Wound fluid enhanced wound healing related cell proliferation and up-regulated expression of p68. Conversely, reducing p68 expression by RNA interference resulted in significantly slower proliferation and migration. CONCLUSION: Our results define an important role of RNA helicase p68 in skin wound healing process. PMID- 29221658 TI - GLP-1 receptor agonists: differentiation within the class. PMID- 29221660 TI - Re: Stromal Gene Expression is Predictive for Metastatic Primary Prostate Cancer. PMID- 29221661 TI - Re: Comprehensive Molecular Characterization of Muscle Invasive Bladder Cancer. PMID- 29221659 TI - Cardiovascular outcomes with glucagon-like peptide-1 receptor agonists in patients with type 2 diabetes: a meta-analysis. AB - BACKGROUND: Glucagon-like peptide-1 (GLP-1) receptor agonists are effective glucose-lowering drugs. Findings from cardiovascular outcome trials showed cardiovascular safety of GLP-1 receptor agonists, but results for cardiovascular efficacy were varied. We aimed to examine overall cardiovascular efficacy for lixisenatide, liraglutide, semaglutide, and extended-release exenatide. METHODS: In this systematic review and meta-analysis, we analysed data from eligible trials that assessed the safety and efficacy of GLP-1 receptor agonists compared with placebo in adult patients (aged 18 years or older) with type 2 diabetes and had a primary outcome including, but not limited to, cardiovascular mortality, non-fatal myocardial infarction, and non-fatal stroke. We searched PubMed and MEDLINE without language restrictions up to Sept 18, 2017, for eligible trials. We did a meta-analysis of available trial data using a random-effects model to calculate overall hazard ratios (HRs) for cardiovascular efficacy outcomes and odds ratios for key safety outcomes. FINDINGS: Of 12 articles identified in our search and screened for eligibility, four trials of cardiovascular outcomes of GLP-1 receptor agonists were identified: ELIXA (lixisenatide), LEADER (liraglutide), SUSTAIN 6 (semaglutide), and EXSCEL (extended-release exenatide). Compared with placebo, GLP-1 receptor agonist treatment showed a significant 10% relative risk reduction in the three-point major adverse cardiovascular event primary outcome (cardiovascular mortality, non-fatal myocardial infarction, and non-fatal stroke; HR 0.90, 95% CI 0.82-0.99; p=0.033), a 13% RRR in cardiovascular mortality (0.87, 0.79-0.96; p=0.007), and a 12% relative risk reduction in all-cause mortality (0.88, 0.81-0.95; p=0.002), with low-to-moderate between-trial statistical heterogeneity. No significant effect of GLP-1 receptor agonists was identified on fatal and non-fatal myocardial infarction, fatal and non-fatal stroke, hospital admission for unstable angina, or hospital admission for heart failure. Overall, no significant differences were seen in severe hypoglycaemia, pancreatitis, pancreatic cancer, or medullary thyroid cancer reported between GLP-1 receptor agonist treatment and placebo. INTERPRETATION: Our findings show cardiovascular safety across all GLP-1 receptor agonist cardiovascular outcome trials and suggest that drugs in this class can reduce three-point major adverse cardiovascular events, cardiovascular mortality, and all-cause mortality risk, albeit to varying degrees for individual drugs, without significant safety concerns. GLP-1 receptor agonists have a favourable risk benefit balance overall, which should allow the choice of drug to be individualised to each patient's needs. FUNDING: Amylin Pharmaceuticals (AstraZeneca). PMID- 29221662 TI - Rare presentation of the glomus tumor in the stomach. PMID- 29221663 TI - [Long-term outcomes of prostate cancer patients with lymph nodes metastasis after radical prostatectomy and pelvic lymph node dissection]. AB - INTRODUCTION: The aim of this study was to evaluate biochemical recurrence-free survival (RFS) and to identify useful predictors of such survival in localized prostate cancer patients (cN0) and pelvic lymph node metastasis (pN+) treated with radical prostatectomy and pelvic lymph node dissection. PATIENTS AND METHODS: This multicenter and retrospective study, assessed overall survival (OS), cancer specific survival (CSS) and biochemical recurrence-free survival (RFS), between January 2005 until December 2010 with 5 years of distance. We evaluated factors predicting long-term RFS in node positive prostate cancer patients. RESULTS: Thus, 30 patients were included. Median follow-up was 89.9+/ 27.4 months. After surgery, patients were treated with surveillance (n=4, 13.5%), adjuvant hormone therapy (n=22, 73%) or combination of radio and hormone therapy, (n=4, 13.5%). During the follow-up, 50% of patients had biochemical recurrence, with a mean time period of 38+/-30 months. Five and 10-year RFS were 57% and 41% respectively. Extra lymph nodes extension (P=0.00021) and pathological margin status (P=0.0065) were independent predictors of 5-year RFS. CONCLUSION: Biochemical RFS of patients treated with radical prostatectomy and subclinical lymph node metastatic disease is adequate and multifactorial. However, this study identifies pathological margin status and extra lymph node extension as independent factors of b RFS. LEVEL OF EVIDENCE: 4. PMID- 29221665 TI - Effect of wrist posture, rate of force development/relaxation, and isotonic contractions on finger force independence. AB - The multi-articular anatomy and inter-connections of the extrinsic finger muscles suggests that wrist posture may affect enslaved finger forces. The purpose of this study was to determine the effects of (i) wrist posture on enslaved finger forces during ramp and isotonic exertions, and (ii) the rate of force development on enslaved forces and error. Twelve men performed 3 repetitions of isometric finger flexion and extension force with index and ring fingers with the wrist in 30 degrees flexion, neutral, and 30 degrees extension. Trials consisted of an isotonic contraction at 25% of maximum, and two ramp contractions performed at 25% MVC/s and 10% MVC/s up to 50% MVC, returning to zero at the same rate. Electromyography was recorded from compartments of extensor digitorum (ED) and flexor digitorum superficialis and analyzed at 25% MVC. Wrist posture significantly affected enslaving effect (EE) during extension exertions (F4, 44 > 2.6, p < .05) with higher EE, error, and muscle activity of ED in wrist extension. Contraction condition significantly affected EE for index and ring finger exertions (p = .001). In fingers adjacent to the task finger, descending phase EE was higher than ascending phase, independent of muscle activity. Mechanical factors such as posture, and neural factors both contribute to enslaved finger actions. PMID- 29221664 TI - Mechanisms of Damage to the Gastrointestinal Tract From Nonsteroidal Anti Inflammatory Drugs. AB - Nonsteroidal anti-inflammatory drugs (NSAIDs) can damage the gastrointestinal tract, causing widespread morbidity and mortality. Although mechanisms of damage involve the activities of prostaglandin-endoperoxide synthase 1 (PTGS1 or cyclooxygenase [COX] 1) and PTGS1 (COX2), other factors are involved. We review the mechanisms of gastrointestinal damage induction by NSAIDs via COX-mediated and COX-independent processes. NSAIDs interact with phospholipids and uncouple mitochondrial oxidative phosphorylation, which initiates biochemical changes that impair function of the gastrointestinal barrier. The resulting increase in intestinal permeability leads to low-grade inflammation. NSAID inhibition of COX enzymes, along with luminal aggressors, results in erosions and ulcers, with potential complications of bleeding, protein loss, stricture formation, and perforation. We propose a model for NSAID-induced damage to the gastrointestinal tract that includes these complex, interacting, and inter-dependent factors. This model highlights the obstacles for the development of safer NSAIDs. PMID- 29221666 TI - Resumption of antiplatelet therapy in patients with primary intracranial haemorrhage: Balancing benefits and risks. PMID- 29221667 TI - Interleukin-27 and interleukin-37 are elevated in sickle cell anemia patients and inhibit in vitro secretion of interleukin-8 in neutrophils and monocytes. AB - BACKGROUND AND OBJECTIVE: Inflammation is implicated in the pathogenesis of most complications seen in sickle cell anemia (SCA) patients. We aimed to evaluate serum levels of two newly discovered anti-inflammatory cytokines (IL-27 and IL 37), and pro-inflammatory cytokines among Brazilian SCA patients that are not on hydroxyurea therapy (HbSS), compared with hydroxyurea-treated patients (HbSSHU) and healthy controls (HbAA). Furthermore, we demonstrated the effect of IL-27, IL 37, and heme on in vitro secretions of IL-8 in human neutrophils and monocytes. METHODS: A cross-sectional study of 82 consenting SCA (35 HbSS and 47 HbSSHU) patients in steady state and 49 HbAA consenting individuals. Clinical details were obtained from interviews and medical records. Serum levels of IL-27, IL-37, TGF-beta, TNF-alpha, IL-1beta, IL-6, and IL-8 were quantified by enzyme linked immunosorbent assay (ELISA). Neutrophils and monocytes were isolated from healthy controls, and cultured separately with or without cytokines (IL-27 and IL-37) and heme. Supernatant IL-8 concentration was determined by ELISA. RESULTS: Serum levels of IL-27, IL-37, IL-1beta, IL-6, and IL-8 were significantly elevated in HbSS patients compared to HbAA controls. Serum IL-8 levels were significantly higher in HbSS and HbSSHU patients than in controls. IL-27 and IL-37 were positively correlated in both HbSS and HbSSHU patients. In vitro IL-8 production by IL-27 and IL-37 pre-treated neutrophils and monocytes was significantly inhibited even after heme addition. CONCLUSIONS: Our findings show that IL-27 and IL-37, as well as the pro-inflammatory cytokines, are elevated in HbSS patients compared with controls, suggesting that the secretion of these anti-inflammatory cytokines is driven by the presence of pro-inflammatory cytokines. This role is probably sufficient in preventing further cellular or tissue damage but not potent enough to prevent inflammation. Therefore, IL-27 and IL-37 may be potential immuno-targets for ameliorating complications associated with elevated heme levels seen in SCA and other hemolytic anemias. PMID- 29221668 TI - Sumoylation of SMAD 4 ameliorates the oxidative stress-induced apoptosis in osteoblasts. AB - Oxidative stress-induced mitochondrial function and cell apoptosis to osteoblasts, plays a critical role in the pathophysiology of osteoporosis. However, mechanisms underlying such process remain not yet clear. We aims in this study to investigate a possible role of SMAD (the mothers against decapentaplegic homolog 4 (SMAD4) in the oxidative stress-induced apoptosis, in homo sapiens osteoblast hFOB1.19 cells. Results demonstrated that the treatment with more than 100MUM H2O2 significantly downregulated the cellular viability, whereas markedly induced apoptosis in hFOB1.19 cells. The SMAD4 was markedly reduced in both mRNA and protein levels in the H2O2 -treated hFOB1.19 cells, along with the reduction of Small ubiquitin-related modifier 1 (SUMO 1) and SUMO 2/3. The immunoprecipitation assay confirmed indicated the interaction between SUMO 1 (or SUMO 2/3) and SMAD4. Moreover, the SMAD4 overexpression markedly ameliorated the H2O2-resulted viability reduction and apoptosis induction in hFOB1.19 cells. Interestingly, such amelioration was blocked by the knockdown of SUMO 2/3. Taken together, we conclued that SMAD4 inhibits the H2O2-induced apoptosis in osteoblast hFOB1.19 cells; such inhibition might depend on the SUMOylation by SUMO 2/3. It implies a promising role of SMAD4 in oxidative stress-promoted damage to osteoblasts. PMID- 29221670 TI - Sociodemographic and Obstetric Factors Related to Symptoms of Postpartum Depression in Hispanic Women in Rural California. AB - OBJECTIVE: To investigate the relationships among sociodemographic and obstetric factors and symptoms of postpartum depression (PPD) in Hispanic women living in rural California. DESIGN: Quantitative, cross-sectional, descriptive design. SETTING: Rural southern California communities. PARTICIPANTS: A convenience sample of 223 Hispanic women, ages 18 to 42 years old, with one living infant younger than 12 months old. METHODS: Interviewer-administered Edinburgh Postnatal Depression Scale and sociodemographic and obstetric history survey (maternal age, marital status, education, annual household income, employment, sex of infant, birth type, and number of children). Chi-square and logistic regression analyses were used to determine associations and predictive relationships among sociodemographic and obstetric factors and symptoms of PPD. RESULTS: Low education levels, unemployment, cesarean birth, and more than one young child were significantly related to PPD risk (Edinburgh Postnatal Depression Scale scores >= 10). Many of the factors associated with PPD symptoms in this sample of Hispanic women were similar to those previously reported in the literature. CONCLUSION: Our findings highlighted the need for PPD care among Hispanic women in rural areas. Early assessment and intervention for symptoms of PPD are needed to enhance health equity and promote better health for women who live in rural communities. PMID- 29221671 TI - Population-Based Risk Factors for Shoulder Dystocia. AB - OBJECTIVE: To re-examine the risk factors for shoulder dystocia given the increasing rates of obesity and diabetes in pregnant women. DESIGN: Retrospective observational study. SETTING: Five hospitals located in Wisconsin, Florida, Maryland, Michigan, and Alabama. PARTICIPANTS: We evaluated 19,236 births that occurred between April 1, 2011, and July 25, 2013. METHODS: Data were collected from electronic medical records and used to evaluate the risk of shoulder dystocia. Data were analyzed using a generalized linear mixed model, which controlled for clustering due to site. RESULTS: When insulin was prescribed, gestational diabetes was associated with an increased risk of shoulder dystocia (odds ratio = 2.10, 95% confidence interval [1.01, 4.37]); however, no similar association was found with regard to gestational diabetes treated with glycemic agents or through diet. Use of epidural anesthesia was associated with an increased risk for shoulder dystocia (odds ratio = 3.47, 95% confidence interval [2.72, 4.42]). Being Black or Hispanic, being covered by Medicaid or having no insurance, infant gestational age of 41 weeks or greater, and chronic diabetes were other significant risk factors. CONCLUSION: With the changing characteristics of pregnant women, labor and birth clinicians care for more pregnant women who have an increased risk for shoulder dystocia. Our findings may help prospectively identify women with the greatest risk. PMID- 29221669 TI - Regulation of pro- and anti-atherogenic cytokines. AB - Despite advances in prevention and treatment, vascular diseases continue to account for significant morbidity and mortality in the developed world. Incidence is expected to worsen as the number of patients with common co-morbidities linked with atherosclerotic vascular disease, such as obesity and diabetes, continues to increase, reaching epidemic proportions. Atherosclerosis is a lipid-driven vascular inflammatory disease involving multiple cell types in various stages of inflammation, activation, apoptosis, and necrosis. One commonality among these cell types is that they are activated and communicate with each other in a paracrine fashion via a complex network of cytokines. Cytokines mediate atherogenesis by stimulating expression of numerous proteins necessary for induction of a host of cellular responses, including inflammation, extravasation, proliferation, apoptosis, and matrix production. Cytokine expression is regulated by a number of transcriptional and post-transcriptional mechanisms. In this context, proteins that control and fine-tune cytokine expression can be considered key players in development of atherosclerosis and also represent targets for rational drug therapy to combat this disease. This review will describe the cellular and molecular mechanisms that drive atherosclerotic plaque progression and present key cytokines that participate in this process. We will also describe RNA binding proteins that mediate cytokine mRNA stability and regulate cytokine abundance. Identification and characterization of the cytokines and proteins that regulate their abundance are essential to our ability to identify therapeutic approaches to ameliorate atherosclerotic vascular disease. PMID- 29221672 TI - Cost and Use of Pasteurized Donor Human Milk at a Children's Hospital. AB - OBJECTIVE: To determine the cost and use of pasteurized donor human milk (PDHM) at a children's hospital with a strong human milk culture. DESIGN: A retrospective descriptive cohort study. SETTING: A children's hospital in the northeastern region of the United States. PARTICIPANTS: Infants (N = 281) younger than 1 year of age at the time of hospitalization who received PDHM between January 2011 and November 2014. Infants older than 1 year of age at the time of hospitalization were excluded from the study sample. METHODS: For each eligible infant, the following descriptive characteristics were abstracted from the electronic health record: gestational age, birth weight, primary diagnosis, unit/floor, total volume of PDHM fed to infant, total number of days the infant received PDHM, diet order on day of discharge, and total length of stay in days. Descriptive statistics were used to analyze all data. RESULTS: Of the sample, 70% (n = 197/281) were cared for in the NICU and 30% (n = 84/281) were cared for outside of the NICU. The mean number of days an infant received PDHM was 23 days (range = 1-134 days) and the mean volume consumed daily was 195 ml (range = 6 1,335 ml). Using a purchase cost of U.S. $4.50 per ounce, the average purchase cost of PDHM per day was U.S. $29.19 (range = U.S. $0.90 to U.S. $200.23). CONCLUSION: PDHM is a low-cost intervention compared with many other interventions for the care of hospitalized infants. PMID- 29221673 TI - Mother doesn't always know best: Maternal wormlion choice of oviposition habitat does not match larval habitat choice. AB - Habitat choice is an important decision that influences animals' fitness. Insect larvae are less mobile than the adults. Consequently, the contribution of the maternal choice of habitat to the survival and development of the offspring is considered to be crucial. According to the "preference-performance hypothesis", ovipositing females are expected to choose habitats that will maximize the performance of their offspring. We tested this hypothesis in wormlions (Diptera: Vermileonidae), which are small sand-dwelling insects that dig pit-traps in sandy patches and ambush small arthropods. Larvae prefer relatively deep and obstacle free sand, and here we tested the habitat preference of the ovipositing female. In contrast to our expectation, ovipositing females showed no clear preference for either a deep sand or obstacle-free habitat, in contrast to the larval choice. This suboptimal female choice led to smaller pits being constructed later by the larvae, which may reduce prey capture success of the larvae. We offer several explanations for this apparently suboptimal female behavior, related either to maximizing maternal rather than offspring fitness, or to constraints on the female's behavior. Female's ovipositing habitat choice may have weaker negative consequences than expected for the offspring, as larvae can partially correct suboptimal maternal choice. PMID- 29221675 TI - Further study of the Montreal Cognitive Assessment's domain-specific metrics could allow for international data comparison and collaboration. PMID- 29221674 TI - The relationship between sweat chloride levels and mortality in cystic fibrosis varies by individual genotype. AB - RATIONALE: The association between CFTR genotype, sweat chloride and mortality has been inconsistent, but no previous analyses have examined the association stratified by individual genotypes. OBJECTIVES: To evaluate the genotype-specific association between sweat chloride and mortality. METHODS: The CFF Patient Registry was assessed and included all patients in the registry between 1996 and 2012 with at least one F508del allele. We excluded patients without a documented genotype or plausible sweat chloride level. The primary outcome was time to mortality during the observation period. We examined 15 genotypes using the three most prevalent alleles in each of 5 classes. We compared subgroups of sweat chloride using Kaplan-Meier curves, log-rank tests, and multivariable Cox PH models. The overall predictive value of sweat chloride on mortality was assessed using area under the receiver operating characteristic curves. MEASUREMENTS AND MAIN RESULTS: 18,893 subjects met inclusion criteria. Sweat chloride distribution was similar across genotypes in patients with class 1 mutations, but was significantly different across genotypes in mutation classes 2-5. The R117H/F508del genotype patients demonstrated an association between sweat chloride and mortality (HR: 1.32 for every 10mmol/L increase in sweat chloride [95% CI 1.12-1.54]. There were also significant associations in patients with F508del/F508del, I507del/F508del, G551D/F508del and 2789+5G->A/F508del genotypes, though the clinical relevance for these genotypes is unclear. CONCLUSIONS: There is significant variability in sweat chloride distribution across CFTR class 2-5 genotypes. The relationship between sweat chloride and mortality varies by genotype with a relatively strong relationship in R117H/F508del patients. PMID- 29221676 TI - Prospective medical analysis of radiation therapist image repositioning during image-guided radiotherapy. AB - PURPOSE: Radiation oncologists are responsible for deciding which day-to-day variations are acceptable or not in the treatment setup. However, properly qualified and trained radiation therapists might be capable to perform image registration. We evaluated in our centre the capability and accuracy of radiation therapists to validate positioning images in a prospective study. METHODS AND PATIENTS: A total of 84 patients treated for prostate, head and neck, lung or breast cancer was prospectively and randomly included from July 2011 to July 2013 in radiotherapy unit of our institution. For each patient, three positioning images were randomly analysed. Two radiation oncologists analysed all positioning images and shifts decided by the radiation therapists in an independent and blinded way. The radiation oncologists had to decide whether to validate or not this shift and give a corresponding additional shift, if any. A theoretical disagreement rate less than 5% between radiation therapists and radiation oncologists was planned. RESULTS: A total of 240 images were analysed (head and neck: 15.0%; prostate: 14.2%; breast: 55.0%; lung: 15.8%). The global disagreement between radiation oncologists and radiation therapists for all the images analysed was 2.5% 95% confidence interval (95% CI) [1.0-5.0], corresponding to six images out of 240. A 100% agreement was reached for prostate and lung images, a 97.2% agreement for head and neck images and a 96.2% agreement for breast images. CONCLUSIONS: The radiation therapist validation for repositioning images seemed accurate for image-guided radiotherapy in our institution. Periodic evaluation and in-house training are warranted when routine delegation of image registration to radiation therapists is considered. PMID- 29221677 TI - Epigenetic Regulation of Biological Rhythms: An Evolutionary Ancient Molecular Timer. AB - Biological rhythms are pervasive in nature, yet our understanding of the molecular mechanisms that govern timing is far from complete. The rapidly emerging research focus on epigenetic plasticity has revealed a system that is highly dynamic and reversible. In this Opinion, I propose an epigenetic clock model that outlines how molecular modifications, such as DNA methylation, are integral components for timing endogenous biological rhythms. The hypothesis proposed is that an epigenetic clock serves to maintain the period of molecular rhythms via control over the phase of gene transcription and this timing mechanism resides in all cells, from unicellular to complex organisms. The model also provides a novel framework for the timing of epigenetic modifications during the lifespan and transgenerational inheritance of an organism. PMID- 29221678 TI - Hybrid imaging in foot and ankle disorders. AB - Disorders of the foot and ankle are some of the most frequent ones affecting the musculoskeletal system and have a great impact on patients' quality of life. Accurate diagnosis is an important clinical challenge because of the complex anatomy and function of the foot, that make it difficult to locate the source of the pain by routine clinical examination. In the study of foot pathology, anatomical imaging (radiography, magnetic resonance imaging [MRI], ultrasound and computed tomography [CT]) and functional imaging (bone scan, positron emission tomography [PET] and MRI) techniques have been used. Hybrid imaging combines the advantages of morphological and functional studies in a synergistic way, helping the clinician manage complex problems. In this article we delve into the anatomy and biomechanics of the foot and ankle and describe the potential indications for the current hybrid techniques available for the study of foot and ankle disease. PMID- 29221679 TI - The gnathobasic spine microstructure of recent and Silurian chelicerates and the Cambrian artiopodan Sidneyia: Functional and evolutionary implications. AB - Gnathobasic spines are located on the protopodal segments of the appendages of various euarthropod taxa, notably chelicerates. Although they are used to crush shells and masticate soft food items, the microstructure of these spines are relatively poorly known in both extant and extinct forms. Here we compare the gnathobasic spine microstructures of the Silurian eurypterid Eurypterus tetragonophthalmus from Estonia and the Cambrian artiopodan Sidneyiainexpectans from Canada with those of the Recent xiphosuran chelicerate Limulus polyphemus to infer potential variations in functional morphology through time. The thickened fibrous exocuticle in L. polyphemus spine tips enables effective prey mastication and shell crushing, while also reducing pressure on nerve endings that fill the spine cavities. The spine cuticle of E. tetragonophthalmus has a laminate structure and lacks the fibrous layers seen in L. polyphemus spines, suggesting that E. tetragonophthalmus may not have been capable of crushing thick shells, but a durophagous habit cannot be precluded. Conversely, the cuticle of S. inexpectans spines has a similar fibrous microstructure to L. polyphemus, suggesting that S. inexpectans was a competent shell crusher. This conclusion is consistent with specimens showing preserved gut contents containing various shelly fragments. The shape and arrangement of the gnathobasic spines is similar for both L. polyphemus and S. inexpectans, with stouter spines in the posterior cephalothoracic or trunk appendages, respectively. This differentiation indicates that crushing occurs posteriorly, while the gnathobases on anterior appendages continue mastication and push food towards and into the mouth. The results of recent phylogenetic analyses that considered both modern and fossil euarthropod clades show that xiphosurans and eurypterids are united as crown-group euchelicerates, with S. inexpectans placed within more basal artiopodan clades. These relationships suggest that gnathobases with thickened fibrous exocuticle, if not homoplasious, may be plesiomorphic for chelicerates and deeper relatives within Arachnomorpha. This study shows that the gnathobasic spine microstructure best adapted for durophagy has remained remarkably constant since the Cambrian. PMID- 29221680 TI - Paradorippe granulata - A crab with external fertilization and a novel type of sperm storage organ challenges prevalent ideas on the evolution of reproduction in Eubrachyura (Crustacea: Brachyura: Dorippidae). AB - Two fundamentally different sperm storage organs occur in Brachyura. The probably paraphyletic podotremes show intersegmental spermathecae, which are distant from oviducts and coxal gonopores. Hence, fertilization is external. In contrast to this, the seminal receptacles of Eubrachyura are directly connected with the ovaries. Thus, at least initial fertilization is internal. This pattern has been interpreted as an apomorphy of Eubrachyura. To test this hypothesis, we studied the morphology of the reproductive organs of Paradorippe granulata, a representative of the putatively early diverging eubrachyuran lineage Dorippoidea. Applying histology, 3D-reconstructions and micro-computed-tomography we revealed a novel type of sperm storage organ. Female P.granulata lack the characteristic eubrachyuran seminal receptacle. Instead sperm is stored in four cuticle-lined bursae, two on each side of the paired oviducts. The elaborate bulbous male gonopod with several terminal processes is adapted to transferring sperm into the female twin bursae. Since oviducts and twin bursae are not directly connected, spermatozoa and oocytes mix when gametes pass through the sternal vulva. Thus, fertilization in P.granulata is external. Our finding of a eubrachyuran crab that lacks seminal receptacles and exhibits external fertilization calls prevailing concepts on the evolution of sperm storage in Eubrachyura into question. PMID- 29221681 TI - Hypercalcemic crisis and primary hyperparathyroidism: Cause of an unusual electrical storm. AB - Hypercalcemia is a known cause of heart rhythm disorders, however its association with ventricular arrhythmias is rare. The authors present a case of a fifty-three years old male patient with a ischemic and ethanolic dilated cardiomyopathy, and severely reduced ejection fraction, carrier of cardiac resynchronization therapy (CRT) with cardioverter defibrillator (ICD), admitted in the emergency department with an electrical storm, with multiple appropriated ICD shocks, refractory to antiarrhythmic therapy. In the etiological investigation was documented severe hypercalcemia secondary to primary hyperparathyroidism undiagnosed until then. Only after the serum calcium level reduction ventricular tachycardia was stopped. PMID- 29221682 TI - Effects of fructose consumption on food intake and biochemical and body parameters in Wistar rats. AB - INTRODUTION AND OBJECTIVE: Increased fructose consumption is associated with various metabolic changes that favor the onset of obesity and related comorbidities. The objective of this study was to assess the effects of chronic fructose consumption on body weight and adipose tissue, as well as on serum glucose and triglyceride levels. METHODS: Thirty-day-old Wistar rats were divided into two groups: fructose (F) and control (C), which had free access to commercial chow and either water or a 20% fructose solution. Body mass was measured weekly and food consumption at 30, 60 and 90 days. At 90 days, the animals were killed by decapitation and fat deposits (mesenteric, epididymal and retroperitoneal) were removed and blood collected for measurement of glucose and triglyceride levels. RESULTS: There was no significant difference in body weight gain, but the percentage of body fat was higher in group F. This group also consumed less feed at 60 and 90 days and had higher consumption of fructose solution than water in group C at 30 and 60 days. This meant higher calorie intake in group F and lower feed efficiency. Retroperitoneal and epididymal fat deposits and triglycerides were higher in group F than in group C. CONCLUSION: Consumption of fructose solution for eight weeks, while not directly reflected in body weight gain, did increase abdominal fat in group F compared to group C, as well as changing triglyceride levels. These two factors increase risk of cardiovascular disease. PMID- 29221683 TI - The use of a 'pocket' printer to improve documentation and patient care. PMID- 29221684 TI - Ex-vivo flush of the limb allograft reduces inflammatory burden prior to transplantation. AB - BACKGROUND: Passenger leucocytes and inflammatory debris transferred from the donor limb to the recipient can induce allorecognition, which activates the host immune response. This is the first study to evaluate whether the transfer of this inflammatory burden can be reduced via post-preservation flush prior to revascularisation, and whether this is influenced by ischaemia. METHODS: Bilateral forelimbs from the same pig were procured and infused with preservation flush and stored on ice. Each limb from the same pig underwent a post preservation intravascular flush with isotonic solution at either 2 or 6 h. Venous effluent underwent flow cytometry to phenotype leucocyte populations, with additional quantification of cytokines and cell-free DNA. RESULTS: We identified large populations of viable leucocytes in the flush effluent (8.65 * 108 +/- 3.10 * 108 cells at 2 h and 1.02 * 109 +/- 2.63 * 108 at 6 h). This comprised T cells, B cells, NK cells and monocytes. Post-preservation flush yielded significant concentrations of pro-inflammatory cytokines including IL-6, IL-18, GM-CSF, IL 1beta, IL1alpha and CXCL-8 and mitochondrial DNA. The regulatory cytokine, IL-10 was undetectable. CONCLUSIONS: This study supports the finding that a post preservation flush removes leucocytes and inflammatory components that are responsible for direct presentation. This study also gives an indication of how ischaemia impacts on the inflammatory burden transferred to the recipient upon reperfusion. PMID- 29221685 TI - Role of the Ceramide-CD300f Interaction in Gram-Negative Bacterial Skin Infections. PMID- 29221686 TI - Melanoma Tumor Characteristics: An Analysis of Mutational Burden and Copy Number Alterations by Patient Age and Stage. PMID- 29221687 TI - Leptomeningeal Carcinomatosis in Colorectal Cancer: The Mayo Clinic Experience. AB - BACKGROUND: Leptomeningeal metastasis (LM) is an uncommon form of metastatic disease in many cancers. There remains a paucity of literature with regard to the course and management of LM in colorectal cancers (CRCs). The aim of this study was to estimate the incidence of LM in patients with CRC seen at our institution over a 15-year period, and to describe the clinical course and outcome of these cases. METHODS: LM in CRC primary cases between 2000 and 2014 were identified in the Mayo Clinic databases. The charts were retrospectively reviewed. RESULTS: Of 17,095 CRC primaries, we identified 10 patients with LM (0.058%) in this 15-year period. Nine cases were included in the analysis. Four had metastatic disease at the time of their initial CRC diagnosis. Median overall survival after CRC diagnosis was 25.7 months (range, 4.7-74.8 months). Median time to diagnosis of LM after CRC diagnosis was 25.3 months (range, 0-68.1 months). All patients had magnetic resonance imaging findings consistent with LM: 3 patients with spinal LM, 5 patients with intracranial LM, and 1 with both. Neurologic symptoms correlated with site of the lesions, with headache, cranial nerve palsy, lower extremity weakness, and gait disturbance among the most frequently reported. However, not all patients had neurologic findings, with LM lesions found incidentally in 2 cases. Seven patients (78%) had palliative radiotherapy for LM. Three patients continued to receive systemic chemotherapy after diagnosis of LM. Median survival after LM diagnosis was 7 weeks (range, 2-39 weeks). CONCLUSIONS: LM is an exceedingly rare development in the natural course of CRC. It confers a poor prognosis with limited treatment options. At our institution, most patients had their disease addressed by palliative means, with many receiving radiotherapy to control their neurologic symptoms. Based on our series, supportive care remains a sensible approach to the management of LM in CRC. PMID- 29221688 TI - Primary Tumor Location and Survival in the General Population With Metastatic Colorectal Cancer. AB - BACKGROUND: Recent evidence from clinical trials suggests that primary tumor location in patients with metastatic colorectal cancer correlates with differential outcomes, and patients with tumors originating in the right side of the colon have inferior survival. We conducted a large population-based cohort study using individual patient data to confirm the prognostic importance of primary tumor location in the general population with metastatic colorectal cancer. METHODS: A cohort of 1947 patients who were diagnosed with metastatic colorectal cancer from 1992 to 2010 was studied. Ascending and transverse colon cancers were defined as right-sided tumors. Cox proportional multivariate analyses were done to determine prognostic significance of primary tumor location. RESULTS: The median age was 70 years (interquartile range, 60-78 years), and the male to female ratio was 1.3:1. Twenty-nine percent had World Health Organization performance status of > 1. Seven-hundred and seventy (39%) patients had right-sided tumors, and 908 (47%) received chemotherapy. The median overall survival of patients with right-sided tumors was 14 months (95% confidence interval [CI], 12.7-15.3 months) compared with 20.5 months (95% CI, 18.5-22.5 months) of patients with left-sided tumors (P < .001). On multivariate analysis, right-sided tumors (hazard ratio [HR], 1.40; 95% CI, 1.20-1.60), no metastasectomy (HR, 2.40; 95% CI, 1.90-2.90), intact primary tumor (HR, 1.60; 95% CI, 1.32-1.90), an elevated carcinoembryonic antigen level (HR, 1.54; 95% CI, 1.30-1.90), lack of combination chemotherapy (HR, 1.52; 95% CI, 1.31-1.80), stage IVb disease (HR, 1.50; 95% CI, 1.17-1.86), leukocytosis (HR, 1.44; 95% CI, 1.28 1.73), and World Health Organization performance status > 1 (HR, 1.30; 95% CI, 1.10-1.55) were correlated with inferior survival. CONCLUSIONS: Our results confirm that individuals with metastatic colorectal cancer and right-sided tumors who received chemotherapy have inferior survival independent of other known prognostic variables. Future studies are required to understand the underlying pathophysiology. PMID- 29221689 TI - Tissue regeneration: The crosstalk between mesenchymal stem cells and immune response. AB - Mesenchymal stem cells (MSCs) exist in almost all tissues with the capability to differentiate into several different cell types and hold great promise in tissue repairs in a cell replacement manner. The study of the bidirectional regulation between MSCs and immune response has ushered an age of rethinking of tissue regeneration in the process of stem cell-based tissue repairs. By sensing damaged signals, both endogenous and exogenous MSCs migrate to the damaged site where they involve in the reconstitution of the immune microenvironment and empower tissue stem/progenitor cells and other resident cells, whereby facilitate tissue repairs. This MSC-based therapeutic manner is conferred as cell empowerment. In this process, MSCs have been found to exert extensive immunosuppression on both innate and adaptive immune response, while such regulation needs to be licensed by inflammation. More importantly, the immunoregulation of MSCs is highly plastic, especially in the context of pathological microenvironment. Understanding the immunoregulatory properties of MSCs is necessary for appropriate application of MSCs. Here we review the current studies on the crosstalk of MSCs and immune response in disease pathogenesis and therapy. PMID- 29221690 TI - Inflammatory cells implicated in neoplasia development in idiopathic inflammatory bowel disease. AB - The inflammatory mechanisms that lead to the clinical symptoms that are grouped under the term inflammatory bowel disease have not been fully characterized. Although a specific mechanism has not been identified, inflammatory bowel disease is believed to be related to an inability by the immune system to shut active inflammation within the intestine. Many contributing factors have been implicated in the disease process. Based on population studies, patients with inflammatory bowel disease have an increased risk for neoplastic development. Although no specific immune cell has been implicated in neoplastic development within this patient population, several immune cells have been implicated as possible etiologies in inflammatory bowel disease. In this review, we will review the clinical evidence about the risk for neoplastic development in inflammatory bowel disease and the current clinical guidelines to survey this patient population. We will also review the pathologic assessment of inflammation within this patient population as well the underlying immune cells and cytokines that have been implicated in the etiology of inflammatory bowel disease. PMID- 29221691 TI - Characteristics and Outcomes of Pediatric Heart Failure-Related Emergency Department Visits in the United States: A Population-Based Study. AB - OBJECTIVES: To describe the frequency, characteristics, and outcomes of heart failure-related emergency department (ED) visits in pediatric patients. We aimed to test the hypothesis that these visits are associated with higher admission rates, mortality, and resource utilization. STUDY DESIGN: A retrospective analysis of the Nationwide Emergency Department Sample for 2010 of patients <=18 years of age was performed to describe ED visits with and without heart failure. Cases were identified using International Classification of Disease, Ninth Revision, Clinical Modification codes and assessed for factors associated with admission, mortality, and resource utilization. RESULTS: Among 28.6 million pediatric visits to the ED, there were 5971 (0.02%) heart failure-related cases. Heart failure-related ED patients were significantly more likely to be admitted (59.8% vs 4.01%; OR 35.3, 95% CI 31.5-39.7). Among heart failure-related visits, admission was more common in patients with congenital heart disease (OR 5.0, 95% CI 3.3-7.4) and in those with comorbidities including respiratory failure (OR 78.3, 95% CI 10.4-591) and renal failure (OR 7.9, 95% CI 1.7-36.3). Heart failure related cases admitted to the hospital had a higher likelihood of death than nonheart failure-related cases (5.9% vs 0.32%, P < .001). Factors associated with mortality included respiratory failure (OR 4.5, 95% CI 2.2-9.2) and renal failure (OR 7.8, 95% CI 2.9-20.7). Heart failure-related ED visits were more expensive than nonheart failure-related ED visits ($1460 [IQR $861-2038] vs $778 [IQR $442 1375] [P < .01].) CONCLUSIONS: Heart failure-related visits represent a minority of pediatric ED visits but are associated with increased hospital admission and resource utilization. PMID- 29221692 TI - Reply. PMID- 29221693 TI - Development of Late Circadian Preference: Sleep Timing From Childhood to Late Adolescence. AB - OBJECTIVES: To assess differences relating to circadian preference in objectively measured sleep patterns from childhood to adolescence over a 9-year period. We hypothesized there is developmental continuity in sleep timing and duration according to circadian preference. STUDY DESIGN: Young participants (N = 111, 65% girls) from a community-based birth cohort underwent sleep actigraphy at mean ages 8.1 (SD = 0.3), 12.3 (SD = 0.5), and 16.9 (SD = 0.1) years. A short version of Morningness-Eveningness Questionnaire was administered in late adolescence. At each follow-up, sleep midpoint, duration, wake after sleep onset, sleep efficiency, and weekend catch-up sleep were compared between those reporting morning, intermediate, and evening preferences in late adolescence. RESULTS: Mixed model analyses indicated that sleep timing was significantly earlier among morning types compared with evening types at all ages (P values < .04). The mean differences in sleep midpoint between morning and evening types increased from a mean of 19 minutes (age 8), 36 minutes (age 12), to 89 minutes (age 17). The largest change occurred from age 12 to 17 years. Sleep duration, wake after sleep onset, sleep efficiency, and catch-up sleep did not differ according to circadian preference. CONCLUSIONS: This study found significant continuity in sleep timing from childhood to adolescence over 9 years, indicating that late circadian preference reported in late adolescence begins to manifest in middle childhood. Further studies are needed to establish whether sleep timing has its origins at an even earlier age. PMID- 29221694 TI - PHACE Syndrome-before and after Propranolol Therapy. PMID- 29221696 TI - Fertility Preservation in Pediatric Subspecialties: A Pilot Needs Assessment Beyond Oncology. AB - Physicians from 6 non-oncology pediatric subspecialties were surveyed about fertility preservation (FP) to assess education/service needs. Almost all (96%; 25 of 26) reported having patients at risk of infertility; however, only 58% (15 of 26) had discussed FP with patients' families. Most subspecialists (92%; 23 of 25) would like access to an FP program. Our data support exploring the expansion of FP programs beyond oncology. PMID- 29221695 TI - Sleep-Disordered Breathing among Newborns with Myelomeningocele. AB - In a matched cohort study, we report that the apnea-hypopnea index is significantly higher in neonates with myelomeningocele (34 +/- 22) compared with age-matched controls (19 +/- 11; P = .021). Assessment of newborns with myelomeningocele for sleep-disordered breathing may facilitate early treatment; the impact on long-term neurodevelopment is unknown. PMID- 29221697 TI - Prevalence of Mental Health Disorders in Elderly U.S. Military Veterans: A Meta Analysis and Systematic Review. AB - OBJECTIVE: Older veterans may be vulnerable to mental health problems. Meta analytic and systematic review methods sought to determine the prevalence rate of mental health disorders in older military veterans (>=65 years). METHODS: Eleven studies were eligible, and meta-analyses of veteran depression, substance abuse, post-traumatic stress disorder (PTSD), anxiety, dementia, bipolar disorder, and schizophrenia were conducted. RESULTS: Although conducted exclusively with U.S. veterans, high prevalence rates of substance (5.7%) and alcohol use disorders (5.4%) in older veterans were found. However, the prevalence of other mental health disorders, including PTSD and depression, in older veterans was not markedly high. CONCLUSION: The rates of disorder prevalence observed indicates a need for continued awareness of mental health difficulties, particularly substance and alcohol use disorders, in older veterans. In the future studies with non-U.S. military samples using a longitudinal design are required to further understand the prevalence of mental health disorders in geriatric veterans. PMID- 29221698 TI - Undulating Clinical Course of Noncompaction Cardiomyopathy. PMID- 29221699 TI - Selection of the Best of 2017 in Ischemic Heart Disease. PMID- 29221700 TI - Acute and Long-term Results After Contemporary Subcutaneous Implantable Cardioverter-defibrillator Implantation: A Single-center Experience. AB - INTRODUCTION AND OBJECTIVES: The subcutaneous implantable cardioverter defibrillator (S-ICD) has emerged as an alternative to the transvenous defibrillator. The incidence of complications is similar, with inappropriate shocks (IS) being more frequent than those occurring with contemporary programming of transvenous defibrillators. Several improvements have been implemented after the S-ICD was approved for use in Europe in 2009. This study reports the results of S-ICD use in a single center, whose experience began late, at the end of 2013. METHODS: Prospective observational study including consecutive patients with defibrillator indication and no indication for either permanent pacing or cardiac resynchronization who underwent S-ICD implantation. Implant data and long-term follow-up were analyzed. RESULTS: An S-ICD was implanted in 50 patients who were deemed suitable after electrocardiographic screening. The mean age was 46.9+/-15 (range, 15-78) years and 72% were male. Thirty eight percent had left ventricular ejection fraction <= 35%. The most frequent heart disease was ischemic heart disease (34%), followed by hypertrophic cardiomyopathy (18%). The intermuscular technique was used, with 3 incisions in 10% and 2 incisions in the remaining 90%. Ventricular fibrillation was induced in 49 patients, with 100% effectiveness in their conversion. After a mean follow-up of 18.1 (range, 2.3-44.8) months, there were no late complications requiring surgical revision, the rate of IS was 0%, and 1 patient (2%) experienced appropriate shocks. CONCLUSIONS: Improvements in technology, implant technique and device programming, along with appropriate patient selection, have led to outstanding acute and long-term results, especially regarding the absence of both IS and complications requiring surgical revision. PMID- 29221701 TI - Isolation of bastadin-6-O-sulfate and expedient purifications of bastadins-4, -5 and -6 from extracts of Ianthella basta. AB - Bastadin-6-34-O-sulfate ester (8) was isolated from methanol extracts of Ianthella basta. The structure of 8 was characterized by analysis of MS and NMR data, and conversion through acid hydrolysis, to the parent compound, bastadin-6, which was identical by HPLC, MS and NMR with an authentic sample. An improved procedure for procurement of pure samples of bastadins-4 (4), -5 (5) and -6 (6) is described. PMID- 29221702 TI - Screening plant derived dietary phenolic compounds for bioactivity related to cardiovascular disease. AB - The potential health benefits of phenolic acids found in food and beverages has been suggested from a number of large population studies. However, the mechanism of how these compounds may exert biological effects is less well established. It is also now recognised that many complex polyphenols in the diet are metabolised to simple phenolic acids which can be taken up in the circulation. In this paper a number of selected phenolic compounds have been tested for their bioactivity in two cell culture models. The expression and activity of endothelial nitric oxide synthase (eNOS) in human aortic endothelial cells and the uptake of glucose in muscle cells. Our data indicate that while none of the compounds tested had a significant effect on eNOS expression or activation in endothelial cells, several of the compounds increased glucose uptake in muscle cells. These compounds also enhanced the translocation of the glucose transporter GLUT4 to the plasma membrane, which may explain the observed increase in cellular glucose uptake. These results indicate that simple cell culture models may be useful to help understand the bioactivity of phenolic compounds in relation to cardiovascular protection. PMID- 29221703 TI - Four new compounds from the roots of Euphorbia ebracteolata and their inhibitory effect on LPS-induced NO production. AB - Three new diterpenoids, ebractenoids O~Q (1-3), and a new phenolic glucoside, gamma-pyrone-3-O-beta-d-(6-galloyl)-glucopyranoside (4), together with 6 known compounds, were isolated from the 95% ethanol extract of the roots of Euphorbia ebracteolata, and their structures were elucidated on the basis of spectroscopic data. The absolute configurations of 1-3 were determined by electronic circular dichroism (ECD) calculations. The inhibitory effects of all the isolates with exception of compounds 8 and 10 on the NO production in lipopolysaccharide (LPS) induced macrophages were evaluated. All of them exhibited significant inhibitory activity. PMID- 29221704 TI - Tremulane sesquiterpenes from cultures of the basidiomycete Irpex lacteus. AB - Five new tremulane sesquiterpenes, named irlactins F-J (1-5), were isolated from cultures of the basidiomycete Irpex lacteus together with two known analogues (6 and 7). Structures and relative configurations of compounds 1-5 were elucidated by spectroscopic data analysis. Compund 4 exhibited moderate cytotoxicities on HL 60, SMMC-7721, A-549, MCF-7, and SW480 cells with IC50 values of 16.23, 20.40, 25.55, 19.05, and 18.58MUM, respectively. PMID- 29221705 TI - Female fertility preservation in the pediatric and adolescent cancer patient population. AB - The 5-year survival rate for childhood cancer is over 80%, thereby increasing the number of young women facing infertility in the future because of the gonadotoxic effects of chemotherapy and radiation. The gonadotoxic effects of childhood cancer treatment vary by the radiation regimen and the chemotherapeutic drugs utilized. Although the American Society of Clinical Oncology guidelines recommend fertility preservation for all patients, there are several barriers and ethical considerations to fertility preservation in the pediatric and adolescent female population. Additionally, the fertility preservation methods for pre- and postpubertal females differ, with only experimental methods available for prepubertal females. We will review the risk of chemotherapy and radiation on female fertility, the approach to fertility preservation in the pediatric and adolescent female population, methods of fertility preservation for both pre- and postpubertal females, barriers to fertility preservation, cost, and psychological and ethical considerations. PMID- 29221706 TI - Rapid profiling method for mammalian feces short chain fatty acids by GC-MS. AB - Short chain fatty acids (SCFAs) are key feces metabolites generated by gut bacteria fermentation. Despite the importance of profiling feces SCFAs, technical difficulties in analysis remain due to their volatility and hydrophilicity. We improve previous protocols to profile SCFAs and optimize the metabolite profiling platform for mammalian feces samples. In this study, we investigated feces as biological samples using gas chromatography-mass spectrometry (GC-MS). Isobutyl chloroformate was used for a derivatization in aqueous solution without drying out the samples. Ultimately, we envisage being able to determine the way in which gut bacteria fermentation influences host gut condition by using our rapid metabolite profiling methods. PMID- 29221707 TI - Development of a borreliosis assay: Mannan coated polyethylene sinter bodies as a new platform technology. AB - Rapid diagnosis of Lyme borreliosis has been carried out on chemically modified porous polyethylene sinter bodies. Photografting of 2-propenol on sinter body's surface was performed as a first step, introducing active hydroxyl groups as a result of polyalcohol formation. The hydroxyl groups were used for further immobilization and could be linked via 3-aminopropyltriethoxysilane (APTES) to polysaccharides like mannan. Prone to coupling, mannan was activated using N, N' disuccinimidyl carbonate (DSC) to allow smooth reaction with the primary amine groups of the silane layer. In a final preparation step, a recombinant fusion protein consisting of the mannan-binding domain of the lectin Concanavalin A (ConA) and a specific Borrelia surface antigen was immobilized by self organization on the mannan surface. The fusion protein was used as biological interface structure. This strategy is highly efficient and resulted in a defined orientation of the antigen part of the fusion protein. Rapid and convenient differentiation could be then established between Borrelia-negative and a positive serum even in 1000-fold diluted samples and detection of Lyme borreliosis in a rather early stage is likely. Furthermore, this generic strategy can be easily transferred to other bacterial or viral antigen structures. PMID- 29221708 TI - Daily versus monthly disposable contact lens: Which is better for ocular surface physiology and comfort? AB - PURPOSE: To investigate the effect of soft contact lenses (SCL) wearing modality and lens materials on the changes in conjunctival bulbar and limbal redness and conjunctival and corneal staining after two months of SCL wear. Comfort level was also analyzed. METHODS: In this longitudinal clinical trial, forty-seven neophyte myopic subjects were fitted with a monthly disposable lens (lotrafilcon-B or comfilcon-A or balafilcon-A) in one eye and a daily disposable lens (nelfilcon-A or stenofilcon-A or nesofilcon-A) in the other eye, randomly selected. Conjunctival bulbar and limbal redness and conjunctival and corneal staining were evaluated before and after lens wear. Effect of lens wearing modality and lens materials on these changes was also determined. Level of comfort was evaluated subjectively twice per day. Comfort level and reduction in end-of-day comfort were compared between different lens wearing modalities and materials. RESULTS: Bulbar and limbal redness and conjunctival and corneal staining were increased (p<0.001) after lens wear, and changes were similar with daily and monthly disposable lens wear (p>0.05). Limbal redness was associated with lens materials, and lotrafilcon-B induced the least among the studied lenses (p<0.05). There was no significant association between the wearing modality and the average comfort level and reduction of end-of-day comfort (p>0.05). CONCLUSION: Two months of SCL wear increased conjunctival redness, conjunctival and corneal staining, which were not associated with the lens wearing modality. There was a reduction in end of-day comfort, similar to daily and monthly lenses. The change in limbal redness and reduction in end-of-day comfort were associated with the characteristics of the lens material. PMID- 29221709 TI - The use of contact lenses among university students in Chengdu: Knowledge and practice of contact lens wearers. AB - PURPOSE: To assess the prevalence and general knowledge of contact lens wearers among college students in Chengdu, a metroplolitan of Chinaand find out the routine habits of use and hygienic conditions when wearing contact lenses. METHOD: The questionnaire was distributed to 1,600 ametropic participants who were from 8 different universities. Data about demographics, general contact lens handling habits, personal attitudes, hygiene behaviors and eye health conditions were collected. We made the analysis ofthe demographics and wearing of contact lenses. Possible reasons for behaviors related to the care of contact lenses were analyzed. RESULTS: The prevalence of contact lens use was 19.80%. Most users (82.15%) were females. An aesthetic effect was cited as the first reason for using (57.91%). The comfort of eyes was the first consideration (75.76%) when buying. To keep clean and use safe, 86.20% subjects washed hands before handling and 83.50% cleaned the lens carefully after removing. There was significant difference between males and females regarding the replacement of the solution (p=0.014). 32.66% wears knew the removal of protein deposits. A total of 54.88% were not informed of the potential complications of contact lens. The incidence of ocular discomfort was 44.78%. Only 3.03% of the students paid regular visits to ophthalmic clinics. CONCLUSION: The prevalence of contact lenses was relatively low in Chengdu. The wears had limited knowledge about using and careof contact lens. More education on standard lens wear and care should be provided to wearers. PMID- 29221710 TI - Acanthamoeba keratitis in patients wearing scleral contact lenses. AB - PURPOSE: To report a series of cases of Acanthamoeba keratitis (AK) in scleral lens wearers with keratoconus to determine whether this type of contact lens presents a greater risk for development of infection. METHODS: This study reports three patients who wore scleral contact lenses to correct keratoconus and developed AK. The diagnoses of AK were established based on cultures of the cornea, scleral contact lenses, and contact lens paraphernalia. This study investigated the risk factors for infections. RESULTS: The possible risks for AK in scleral contact lens wearers are hypoxic changes in the corneal epithelium because of the large diameter and minimal tear exchange, use of large amounts of saline solution necessary for scleral lens fitting, storing the scleral lens overnight in saline solution rather than contact lens multipurpose solutions, not rubbing the contact lens during cleaning, and the space between the cornea and the back surface of the scleral lens that might serve as a fluid reservoir and environment for Acanthamoeba multiplication. Two patients responded well to medical treatment of AK; one is still being treated. CONCLUSIONS: The recommendations for use and care of scleral contact lenses should be emphasized, especially regarding use of sterile saline (preferably single use), attention to rubbing the lens during cleaning, cleaning of the plunger, and overnight storage in fresh contact lens multipurpose solutions without topping off the lens solution in the case. PMID- 29221711 TI - Sitosterol prevents obesity-related chronic inflammation. AB - The physiological roles of phytosterols in chronic inflammation, which are believed to be involved in the underlying mechanisms for metabolic diseases, have yet to be elucidated. Therefore, in the present study, we aimed to elucidate the physiological roles of phytosterols in both clinical studies and animal experiments. We observed the existence of rather specific negative correlations between the serum sitosterol level and the serum IL-6 and the TNF-alpha levels in both diabetic subjects (n=46) and non-diabetic subjects (n=178). Multiple regression analyses also revealed that the serum IL-6 and TNF-alpha levels exhibited strong negative correlations with the serum sitosterol levels. When ABCG5/8 KO mice with markedly elevated plasma sitosterol levels and ABCG5/8 hetero mice were fed a high-fat diet, we observed that the increase in body weight, the fatty liver changes, and the expansion of perigonadal adipose tissues were suppressed in ABCG5/8 KO mice without any modulation of food intake. We also observed that the plasma IL-6 and TNF-alpha levels, the expressions of TNF-alpha and PAI-1 in the liver and the expressions of the IL-6, TNF-alpha, and MCP-1 levels in the adipose tissue were lower in ABCG5/8 KO mice. These results suggest that sitosterol might suppress obesity-related chronic inflammation and might be applicable to the treatment of metabolic diseases. PMID- 29221712 TI - Modulating allergic response by engineering the major Parietaria allergens. PMID- 29221713 TI - Effect of grass sublingual tablet immunotherapy is similar in children and adults: A Bayesian approach to design pediatric sublingual immunotherapy trials. AB - BACKGROUND: Large sample sizes are needed for sublingual immunotherapy (SLIT) trials because of inherent data variability secondary to inconsistent allergen exposure. Obtaining large sample sizes for pediatric SLIT trials is challenging, but a Bayesian approach using prior adult data can reduce the necessary sample size. OBJECTIVE: We sought to describe how a Bayesian framework using prior information from adult trials can be used to improve pediatric SLIT clinical development. METHODS: Data were compiled by using a frequentist approach (conventional clinical trial approach independent of prior data) from trials conducted during the clinical development of timothy grass SLIT-tablets. RESULTS: The treatment effect of timothy grass SLIT-tablets was considered similar between pediatric (n = 795) and adult (n = 2299) data pools, with relative total combined symptom plus medication score improvement versus placebo of 21% (95% CI, 11.0% to 30.4%) and 20% (95% CI, 14.6% to 24.4%), respectively. Phleum pratense-specific IgG4 and IgE-blocking factor increased from baseline in both children and adults treated with timothy grass SLIT-tablets. Given the reasonable assumption in similarity of treatment response between adults and children, a Bayesian approach is described to demonstrate rigorous efficacy criteria for pediatric trials incorporating information from prior adult trials and thereby reduce the sample size. CONCLUSIONS: Data support the similarity of efficacy and immunologic changes between children and adults treated with SLIT for allergic rhinoconjunctivitis. Therefore it is appropriate to use data from adult trials to design feasible trials in children, which might reduce unsafe off-label use by promoting more quickly proper labeling of approved products. PMID- 29221714 TI - Changes in regulatory B-cell levels in bone marrow, blood, and sputum of patients with asthma following inhaled allergen challenge. PMID- 29221715 TI - Corrigendum to "Aiding risk information learning through simulated experience (ARISE): Using simulated outcomes to improve understanding of conditional probabilities in prenatal Down syndrome screening" [Patient Educ. Counselling 100 (October (10)) (2017) 1882-1889]. PMID- 29221716 TI - CRISPR-Based Gene Drives for Pest Control. AB - Clustered regularly interspaced short palindromic repeats (CRISPR)-based gene drives (GDs) could be used to spread desirable genetic elements through wild populations. With the imminent development of this technology in vertebrates, we believe that it is timely to highlight two forms of sex-ratio distorting GDs that show potential as pest management tools. PMID- 29221717 TI - Effect of metformin combined with lifestyle modification versus lifestyle modification alone on proinflammatory-oxidative status in drug-naive pre-diabetic and diabetic patients: A randomized controlled study. AB - BACKGROUND: Targeting biomarkers of oxidative-proinflammatory stress may result in improvement of modifiable metabolic syndrome, pre-diabetes and diabetes risk factors and subsequent risk reduction. METHODS: 64 newly diagnosed antihyperglycemic treatment-naive prediabetic and type 2 diabetes mellitus (T2DM) patients were randomly assigned using block design to either metformin combined with therapeutic lifestyle changes (TLC) or TLC alone. Body mass index (BMI), waist circumference, blood pressure, fasting plasma glucose (FPG), glycated hemoglobin (HbA1c), fasting lipid profile, plasma oxidative status and tumor necrosis factor (TNF)-alpha were measured at baseline, after 3 months and after 6 months from baseline. RESULTS: Except for HbA1c, baseline values did not differ significantly between the two groups. The post 3-months relative reductions in BMI (P=0.014) and HbA1c (P=0.037) in metformin combined with TLC intervention were significantly greater than those in TLC alone group. TNFalpha plasma levels were decreased significantly vs. baseline by metformin combined with TLC intervention (-22.90+/-46.76%, P=0.01). Conversely, TLC alone basically worsened proinflammatory status (42.40+/-40.82 %), P<0.001. Metformin with TLC treatment effected a therapeutic decrement of the oxidative stress (-15.44+/-35.32%, P=0.029 vs. baseline) unlike TLC alone (61.49+/-122.66%, P=0.01 vs. baseline). Both interventions' effects were sustained in the 6-month follow up periods. CONCLUSION: In both intervention groups, the relative changes in plasma TNFalpha were significantly correlated (P<0.01) with systolic blood pressure and the relative changes in oxidative stress were markedly correlated (P<0.05) with total cholesterol. PMID- 29221718 TI - Correlation between dual-energy spectral CT imaging parameters and pathological grades of non-small cell lung cancer. AB - AIM: To investigate the correlation between pathological grades of non-small cell lung cancers (NSCLCs) and quantitative parameters generated in dual-energy spectral computed tomography (CT). MATERIALS AND METHODS: Fifty-three patients with NSCLCs who underwent preoperative dual-energy spectral CT imaging and surgical resection were evaluated retrospectively. These patients were divided into a low-grade group and a high-grade group based on their histopathological differentiation. In the arterial phase (AP) and venous phase (VP), iodine concentration (IC) in cancers was measured in iodine-based material decomposition images, and normalised to the IC in the aorta to calculate the normalised iodine concentration (NIC), the spectral CT curve was generated from the monochromatic images to calculate the slope of the spectral curve (lambdaHU). Differences in quantitative parameters (NIC and lambdaHU) were compared using the two-sample t test. The correlations between spectral CT parameters and tumour grades were evaluated using the Spearman rank correlation analysis. Receiver operating characteristic (ROC) curves were generated to calculate their diagnostic efficacies. RESULTS: The NIC and lambdaHU in the low-grade NSCLC group were significantly higher than those in the high-grade NSCLC group both in AP and VP (all p<0.001). There was a significant negative correlation between spectral CT parameters and pathological grades by the Spearman rank correlation (all p<0.001). ROC analysis indicated that lambdaHU in VP provided the best diagnostic performance in distinguishing high-grade cancers from low-grade cancers (area under the ROC curve [AUC], 0.914; sensitivity, 85.7%; specificity, 84.4%). CONCLUSION: The quantitative parameters in dual-energy spectral CT imaging provide useful information to differentiate the pathological grades of NSCLCs. PMID- 29221719 TI - Integration of different criteria for borderline resectable pancreatic cancer using classification tree analysis: the use of radiological tumour-vascular interface in correlation with surgical and pathological outcomes. AB - AIM: To integrate various criteria for borderline resectable pancreatic cancer (BRPC) based on radiological parameters using classification tree analysis. MATERIALS AND METHODS: The institutional review board approved this retrospective study and waived the requirement for informed consent. Two hundred and thirty five tumour-vein interfaces and 67 tumour-artery interfaces in 245 patients with surgically confirmed pancreatic ductal adenocarcinoma who underwent both preoperative computed tomography (CT) and magnetic resonance imaging (MRI) were assessed by two independent readers. Radiological parameters for evaluation of the tumour-vascular interface were boundary, length of interface, degree of circumferential interface, and contour deformity of affected vessels. Classification tree analysis was performed to determine parameters associated with vascular invasion using pathological and surgical results as the reference standard. RESULTS: In the classification tree analysis for the tumour-vein interface, contour deformity and degree of circumferential interface were the first and second determining factors, respectively, for both surgical and pathological vascular invasion. For the tumour-artery interface, boundary and degree of circumferential interface were the first and second determining factors for surgical invasion, while contour deformity and length of interface were the first and second determining factors for pathological invasion. The BRPC group of modified criteria arbitrarily formed based on the results had similar surgical (74.1-81.6%) and pathological (54.3-63.3%) venous invasion compared to that of the National Comprehensive Cancer Network (NCCN) criteria, and the lowest surgical (33.3%) and pathological (6.7%) arterial invasion compared with those in previously established criteria for BRPC (43.3-55.6% and 22.2-26.1%, respectively). CONCLUSION: Various criteria for BRPCs were integrated using classification tree analysis, and a modified criterion for BRPC, which provides satisfactory results, was established. PMID- 29221720 TI - Strategy of endovascular treatment for renal artery aneurysms. PMID- 29221721 TI - Factors affecting the precision of lesion sizing with contrast-enhanced spectral mammography. AB - AIM: To evaluate the precision of the pre-surgical measurement of the size of breast cancer by contrast-enhanced spectral mammography (CESM). MATERIAL AND METHODS: This was a retrospective study of 204 breast cancers. Variables related to tumour biology and anthropometric variables were recorded and considered when evaluating the efficacy of CESM in predicting tumour size. Microscopic measurement of the largest diameter of the tumour at pathology was chosen as the reference standard. RESULTS: The mean size of tumours at pathology was 20.7+/ 15.8 mm, while at CESM it was 23.6+/-16.7 mm (Bland-Altman 2.9 mm overestimation, 2.9 mm; 95% confidence interval [CI]: -10.3-16.2 mm). Spearman's correlation coefficient was 0.83 (p<0.0001). The concordance analysis indicated that 37.8% of the measurements were concordant, 47% were overestimated, and 15.2% were underestimated. Tumour size, nodal involvement, breast density, and breast size significantly modified the sizing accuracy. CONCLUSION: Quality of tumour size prediction with CESM is good, and this appears to be a promising imaging technique in the surgical planning of breast cancer. Biological tumour features, and anthropological characteristics of the patients do, however, affect the diagnostic precision and should be taken into account. PMID- 29221722 TI - Ink-enhanced dermoscopy is a useful tool to differentiate acquired solitary plaque porokeratosis from other scaly lesions. PMID- 29221723 TI - Effects of thyroxine on expression of proteins related to thyroid hormone functions (TR-alpha, TR-beta, RXR and ERK1/2) in uterus during peri-implantation period. AB - INTRODUCTION: Thyroid hormone is known to play important role during embryo implantation, however mechanisms underlying its actions in uterus during peri implantation period has not been fully identified. In this study, we hypothesized that thyroid hormone could affect expression of proteins related to its function, where these could explain mechanisms for its action in uterus during this period. METHODS: Female rats, once rendered hypothyroid via oral administration of methimazole (0.03% in drinking water) for twenty-one days were mated with fertile euthyroid male rats at 1:1 ratio. Pregnancy was confirmed by the presence of vaginal plug and this was designated as day-1. Thyroxine (20, 40 and 80 MUg/kg/day) was then subcutaneously administered to pregnant, hypothyroid female rats for three days. A day after last injection (day four pregnancy), female rats were sacrificed and expression of thyroid hormone receptors (TR-alpha and beta), retinoid X receptor (RXR) and extracellular signal-regulated kinase (ERK1/2) in uterus were quantified by Western blotting while their distribution in endometrium was visualized by immunofluorescence. RESULTS: Expression of TRalpha 1, TRbeta-1 and ERK1/2 proteins in uterus increased with increasing doses of thyroxine however no changes in RXR expression was observed. These proteins were found in the stroma with their distribution levels were relatively higher following thyroxine treatment. CONCLUSIONS: Increased expression of TRalpha-1, TRbeta-1 and ERK1/2 at day 4 pregnancy in thyroxine-treated hypothyroid pregnant rats indicate the importance of thyroxine in up-regulating expression of these proteins that could help mediate the uterine changes prior to embryo implantation. PMID- 29221724 TI - Downregulation of KLK13 promotes the invasiveness and metastasis of oesophageal squamous cell carcinoma. AB - KLK13 downregulation occurs in tumour tissues in comparison with adjacent normal tissues from patients with oesophageal squamous cell carcinoma (OSCC). KLK13 mRNA levels were tested in OSCC tumour tissues and adjacent noncancerous tissues from 138 patients. In addition, the correlation between KLK13 mRNA levels and OSCC clinicopathologic features was analysed. KLK13 mRNA levels decreased notably in tumour tissues compared with those in adjacent noncancerous tissues. And decreased KLK13 mRNA levels indicated significant correlations with higher tumour grade, elevated TNM (UICC, 2009) stage classification, deeper infiltration and more lymph node metastases. And thus KLK13 may be a promising diagnostic marker. Decreased KLK13 mRNA levels also correlate with poor survival, which indicates that KLK13 mRNA expression may be a potential prognostic marker, although it could not be an independent prognostic factor by multivariate analysis. In vitro experiments of the OSCC cell lines KYSE150 and KYSE450 demonstrated that overexpression of KLK13 inhibits cell invasion and migration. Thus, KLK13 is a unique novel molecule useful for monitoring OSCC progression. Full elucidation of the role of KLK13 in OSCC may reveal avenues for investigating the molecule's functional potential as a novel therapeutic drug for targeting OSCC. PMID- 29221725 TI - Protective effects of polyphenol-rich infusions from carob (Ceratonia siliqua) leaves and cladodes of Opuntia ficus-indica against inflammation associated with diet-induced obesity and DSS-induced colitis in Swiss mice. AB - In the present study, we have investigated the effects of polyphenol-rich infusions from carob leaves and OFI-cladodes on inflammation associated with obesity and dextran sulfate sodium (DSS)-induced ulcerative colitis in Swiss mice. In vitro studies revealed that aqueous extracts of carob leaves and OFI cladodes exhibited anti-inflammatory properties marked by the inhibition of IL-6, TNF-alpha and nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells concomitant with NF-kappabeta nucleus translocation inhibition. For in vivo investigations, Swiss male mice were subjected to control or high fat diet (HFD). At the 8th week after the start of study, animals received or not 1% infusion of either carob leaves or OFI-cladode for 4 weeks and were subjected to 2% DSS administration in drinking water over last 7 days. After sacrifice, pro inflammatory cytokines levels in plasma and their mRNA expression in different organs were determined. Results showed that carob leaf and OFI-cladode infusions reduced inflammation severity associated with HFD-induced obesity and DSS-induced acute colitis indicated by decrease in pro-inflammatory cytokines expression (as such TNF-alpha, IL1b and IL-6) in colon, adipose tissue and spleen. In addition, plasma levels of IL-6 and TNF-alpha were also curtailed in response to infusions treatment. Thus, carob leaf and OFI-cladode infusions prevented intestinal permeability through the restoration of tight junction proteins (Zo1, occludins) and immune homeostasis. Hence, the anti-inflammatory effect of carob leaves and OFI-cladodes could be attributed to their polyphenols which might alleviate inflammation severity associated with obesity and colitis. PMID- 29221727 TI - Epigenetic mechanisms in developmental neurotoxicity. AB - The constant interplay between environment (including both exogenous and endogenous factors) and epigenome (defined as the combination of chromatin, its covalent modifications and noncoding RNAs) triggers epigenetic events that, by modulating gene expression, capture information about changes in the environment. In this mini review, we will focus on the neurodevelopmental implications of exposure to adverse prenatal milieu with emphasis on mechanistic and functional aspects. Several neurotoxic insults have been shown to affect epigenetics with negative consequences on the development of the nervous system; among them are methylmercury, lead, arsenic and cadmium, as well as excess of glucocorticoids. Further investigations on the individual susceptibility to epigenetic changes are needed to propose and validate such modifications as possible biomarkers for early identification of neurological/neurodevelopmental disorders and for predicting/monitoring response to treatment. PMID- 29221726 TI - miRNA-495 suppresses proliferation and migration of colorectal cancer cells by targeting FAM83D. AB - microRNAs (miRNAs) have been reported to play crucial roles in malignant tumor progression, including cell development, proliferation, and progression. Increasing evidence suggests that miR-495 functions as either an oncogene or tumor suppressor in several tumor types. However, its biological role in the development of colorectal cancer (CRC) still remains unclear. In this study, we found that miR-495 expression level was remarkably down-regulated in CRC tissues samples and cell lines when compared to adjacent normal tissues and cell line by using qRT-PCR detection. Ectopic expression of miR-495 by mimic transfection significantly suppressed CRC cell proliferation and colony formation, inhibited migration and invasion, and induced apoptosis according to CCK-8, colony formation, transwell, and flow cytometry assays. Furthermore, bioinformatics and luciferase reporter assays verified that family with sequence similarity 83, member D (FAM83D) was a direct target of miR-495 in CRC cells, and FAM83D was confirmed to be upregulated in human CRC tissues and reversely correlated with miR-495 expression. In addition, rescue experiments revealed that restoration of FAM84D could partially abrogate the inhibitory effect of miR-495 overexpression on CRC cell proliferation and metastasis. Further mechanic investigations also verified that the PTEN/P13K/AKT/mTOR pathway was involved in the miR-495/FAM83D mediated CRC cell progression. Our findings identified that miR-495 acted as a critical tumor suppressor by directly targeting FAM83D during CRC development and therefore represented as a potential biomarker for CRC therapy. PMID- 29221728 TI - Emulsified isoflurane induces release of cytochrome C in human neuroblastoma SHSY 5Y cells via JNK (c-Jun N-terminal kinases) signaling pathway. AB - A large number of studies have demonstrated that inhalation anesthetic isoflurane induced neural cell death by apoptosis in various cell and animal models. Emulsified isoflurane (EIso) is a new type of intravenous preparation of isoflurane that attracts increasing research attention as a promising clinical agent due to its both advantages as an intravenous and inhalation anesthetics medication. However, its safety and underlying molecular mechanism of neurotoxicity largely remain unknown. Therefore, it is meaningful to investigate the safety of EIso and to further elucidate its mechanism of anesthetic neurotoxicity. Human neuroblastoma SHSY-5Y cells were cultured, followed by a random exposure to one of three doses of EIso (0.56mmol/l, 1.12mmol/l, and 2.24mmol/l) or the corresponding intralipid as vehicle (0.3956MUl/ml, 0.7912MUl/ml and 1.5824MUl/ml) for 6h, 12h or 24h. Cell viability was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5- diphenyl tetrazolium bromide (MTT) assay and the morphological changes were determined by a light microscope. We detect JNK, p JNK and cytochrome C (cyto C) protein levels by western blotting. SP600125, a specific inhibitor of JNK, was used to detect the role of JNK pathway in the neurotoxicity of EIso. Our study showed that EIso reduced the viability of SHSY 5Y cells in a dose- and time-dependent manner. 0.56mmol/l EIso has no significant effects on cell viability, while 1.12mmol/l of EIso with 24-h and 2.24mmol/l of EIso with over 12-h exposure notably reduced cell viability. EIso dramatically increased the levels of p-JNK and cyto C. The JNK pathway inhibitor SP600125 significantly increased the cell viability of SHSY-5Y cells induced by EIso. These findings suggest that EIso induces damage in human neuroblastoma SHSY-5Y cells by JNK signaling pathway activation and cyto C release. SP600125 protects neural cells against EIso-induced injury. Our findings provide a new insight in the exploration of potential novel therapeutic strategies for the treatment of EIso-induced neurotoxicity and other neurodegenerative diseases. PMID- 29221729 TI - High-Dimensional Phenotypic Mapping of Human Dendritic Cells Reveals Interindividual Variation and Tissue Specialization. AB - Given the limited efficacy of clinical approaches that rely on ex vivo generated dendritic cells (DCs), it is imperative to design strategies that harness specialized DC subsets in situ. This requires delineating the expression of surface markers by DC subsets among individuals and tissues. Here, we performed a multiparametric phenotypic characterization and unbiased analysis of human DC subsets in blood, tonsil, spleen, and skin. We uncovered previously unreported phenotypic heterogeneity of human cDC2s among individuals, including variable expression of functional receptors such as CD172a. We found marked differences in DC subsets localized in blood and lymphoid tissues versus skin, and a striking absence of the newly discovered Axl+ DCs in the skin. Finally, we evaluated the capacity of anti-receptor monoclonal antibodies to deliver vaccine components to skin DC subsets. These results offer a promising path for developing DC subset specific immunotherapies that cannot be provided by transcriptomic analysis alone. PMID- 29221732 TI - Poor responders after bariatric surgery - Are there second chances? PMID- 29221730 TI - Ablation of Transcription Factor IRF4 Promotes Transplant Acceptance by Driving Allogenic CD4+ T Cell Dysfunction. AB - CD4+ T cells orchestrate immune responses and destruction of allogeneic organ transplants, but how this process is regulated on a transcriptional level remains unclear. Here, we demonstrated that interferon regulatory factor 4 (IRF4) was a key transcriptional determinant controlling T cell responses during transplantation. IRF4 deletion in mice resulted in progressive establishment of CD4+ T cell dysfunction and long-term allograft survival. Mechanistically, IRF4 repressed PD-1, Helios, and other molecules associated with T cell dysfunction. In the absence of IRF4, chromatin accessibility and binding of Helios at PD-1 cis regulatory elements were increased, resulting in enhanced PD-1 expression and CD4+ T cell dysfunction. The dysfunctional state of Irf4-deficient T cells was initially reversible by PD-1 ligand blockade, but it progressively developed into an irreversible state. Hence, IRF4 controls a core regulatory circuit of CD4+ T cell dysfunction, and targeting IRF4 represents a potential therapeutic strategy for achieving transplant acceptance. PMID- 29221734 TI - Aortic annulus does not dilate over time after aortic root remodeling with or without annuloplasty. AB - OBJECTIVE: The lack of annular stabilization is the drawback of aortic root remodeling, and recently the addition of annuloplasty has been proposed. Limited data, however, exist on late annular size after remodeling. We studied annular size over time. METHODS: In 241 patients (53 +/- 16 years) annular size was determined preoperatively (T0), before discharge (T1), and at least 2 years after remodeling (T2, 54 +/- 27 months) with (n = 52) or without external suture annuloplasty. Seventeen patients had Marfan syndrome (7%), 100 a bicuspid valve (41%), and 22 acute dissection (9%). Mean graft size was 25.2 +/- 1.3 mm, and annuloplasty size 24.3 +/- 1.4 mm. RESULTS: Annular size was significantly reduced after repair and remained stable over time (T0: 27.4 +/- 3.0 mm, T1: 24.2 +/- 2.5 mm, T2: 24.2 +/- 2.6 mm). After propensity-score matching (n = 33 each), baseline annular size was similar (with annuloplasty vs without: 28.7 +/- 4.1 mm vs 27.8 +/- 2.8 mm). Annular reduction was less effective without annuloplasty (23.9 +/- 2.0 mm vs 25.6 +/- 2.2 mm, P < .01); size was identical at follow-up (23.8 +/- 2.2 mm vs 25.1 +/- 2.5 mm, P = .03). After matching, freedom from annular size increase >10% at 4 years was 93 +/- 5% without annuloplasty and 91 +/- 9% with annuloplasty (P = .92). A linear mixed-effects model identified no significant effect of annuloplasty on annulus diameter change at T2 (P = .48). Era after 2004, Marfan syndrome, and smaller annulus diameter at discharge were the independent predictors for late annular expansion. CONCLUSIONS: Aortic annulus rarely dilates over time after remodeling. In the case of annular dilatation, annuloplasty normalizes annular size and may prevent further dilatation by enhancing cusp coaptation. Even without annuloplasty, the aortic annulus becomes smaller compared with preoperative dimensions when aortic valve remains competent. PMID- 29221733 TI - Diagnostic performance of commercial serological assays measuring Bordetella pertussis IgG antibodies. AB - Due to their specificity to B. pertussis antigens, immunoglobulin G (IgG) antibodies should be measured primarily for diagnosing pertussis. We compared the diagnostic performance of commercially available enzyme-linked immunosorbent assays (ELISAs) and chemiluminescent immunoassays (CLIAs) measuring IgG to B. pertussis antigens. An in-house ELISA with purified pertussis toxin (PT) was used as reference system. Commercial assays using PT only as coating antigen showed better performance as compared to those using a mixture of different antigens. The best diagnostic performances were achieved by CLIAs. Results were analyzed using a dual cutoff of either >=125IU/mL anti-PT IgG or >=62IU/mL anti-PT IgG for the in-house ELISA and accordingly to package inserts for commercial assays. Using the in-house ELISA at a 62 IU/mL cutoff, as the gold standard for interpretation of results from the commercial kits, resulted in lower sensitivity and higher specificity as compared to 125IU/mL, thus, it may be especially useful in outbreak situations when high specificity is required. PMID- 29221731 TI - White Adipose Tissue Is a Reservoir for Memory T Cells and Promotes Protective Memory Responses to Infection. AB - White adipose tissue bridges body organs and plays a fundamental role in host metabolism. To what extent adipose tissue also contributes to immune surveillance and long-term protective defense remains largely unknown. Here, we have shown that at steady state, white adipose tissue contained abundant memory lymphocyte populations. After infection, white adipose tissue accumulated large numbers of pathogen-specific memory T cells, including tissue-resident cells. Memory T cells in white adipose tissue expressed a distinct metabolic profile, and white adipose tissue from previously infected mice was sufficient to protect uninfected mice from lethal pathogen challenge. Induction of recall responses within white adipose tissue was associated with the collapse of lipid metabolism in favor of antimicrobial responses. Our results suggest that white adipose tissue represents a memory T cell reservoir that provides potent and rapid effector memory responses, positioning this compartment as a potential major contributor to immunological memory. PMID- 29221735 TI - Comparison of digital and traditional thoracic drainage systems for postoperative chest tube management after pulmonary resection: A prospective randomized trial. AB - OBJECTIVE: The objective of this study was to evaluate whether a digital thoracic drainage system (group D) is clinically useful compared with a traditional thoracic drainage system (group T) in chest tube management following anatomic lung resection. METHODS: Patients scheduled to undergo segmentectomy or lobectomy were prospectively randomized before surgery to group D or T. A stratification randomization was performed according to the following air leak risk factors: age, sex, smoking status, and presence of emphysema and/or chronic obstructive pulmonary disease. The primary end point was the duration of chest tube placement. RESULTS: No statistically significant differences were found between groups D (n = 135) and T (n = 164) with regard to the duration of chest tube placement (median, 2.0 vs 3.0 days; P = .149), duration of hospitalization (median, 6.0 vs 7.0 days; P = .548), or frequency of postoperative adverse events (25.1% vs 20.7%; P = .361). In subgroup analyses of the 64 patients with postoperative air leak (20 in group D and 44 in group T), the duration of chest tube placement (median, 4.5 vs 4.0 days; P = .225) and duration of postoperative air leak (median, 3.0 vs 3.0 days; P = .226) were not significantly different between subgroups. CONCLUSIONS: The use of a digital thoracic drainage system did not shorten the duration of chest tube placement in comparison to a traditional thoracic drainage system after anatomic lung resection. PMID- 29221736 TI - Differential effects of operative complications on survival after surgery for primary lung cancer. AB - OBJECTIVE: Complications adversely affect survival after lung cancer surgery. We tested the hypothesis that effects of complications after lung cancer surgery on survival vary substantially across the spectrum of postoperative complications. METHODS: The Society of Thoracic Surgeons General Thoracic Surgery Database was linked to Medicare data for lung cancer resections from 2002 through 2013. Linkage was achieved for 29,899 patients. A survival model was created that included operative complications as explanatory variables and adjusted for relevant baseline covariates. Because of violation of the proportional hazard assumption, we used time-varying coefficient Cox modeling for the complication variables. RESULTS: Median patient age was 73 years, and 48% were male. Procedures performed were lobectomy in 69%, wedge in 17%, segmentectomy in 7%, bilobectomy in 3%, pneumonectomy in 3%, and sleeve lobectomy in 1%. Most frequent complications were atrial arrhythmia (14%), pneumonia (4.3%), reintubation (3.8%), delirium (2%), and acute kidney injury (1.4%). In the early period (0-90 days), 12 complications are associated with worse survival. From 3 to 18 months after surgery, only 4 complications are associated with survival: delirium, blood transfusion, reintubation, and pneumonia. After 18 months, only sepsis and blood transfusion are associated with a significant late hazard. CONCLUSIONS: Our analysis confirmed the presence of differential magnitude and time-varying effects on survival of individual complications after lung cancer surgery. We conclude that the derived time-dependent hazard ratios can serve as objective weights in future models that enhance performance measurement and focus attention on prevention and management of complications with greatest effects. PMID- 29221738 TI - Discussion. PMID- 29221737 TI - If airlines can do it, we can too.... PMID- 29221739 TI - Providing cardiothoracic services in 2035: Signs of trouble ahead. AB - OBJECTIVE: As the population ages, we will present the reality around being able to meet the health care needs of our population. In particular, we will present that providing cardiothoracic services in 2035 with a shortage of surgeons and an unknown caseload may be an impossibility. METHODS: By using data from the American Board of Thoracic Surgery, we estimate that in 2010, 4000 cardiothoracic surgeons performed more than 530,000 cases. Additionally, cardiothoracic residency programs train and certify on average 90 new surgeons every year. To estimate the number of cases for 2035, we consulted the Census Bureau figures for 2010 and population projections for 2035. We then estimated the expected caseload for cardiothoracic surgeons relative to heart surgery, as well as lung and esophageal surgery. We found that among 2010 cardiothoracic surgeons in the United States, they completed more than 530,000 cases. RESULTS: We project that by 2035 there will be 853,912 cases to perform, representing an increase from 2010 to 2035 of approximately 61% nationally. The cases per surgeon, per year, in 2010 averaged 135 for almost each of the 4000 surgeons. In 2035, the average caseload per surgeon will be 299 cases, representing an increase of 121% for the individual surgeon. CONCLUSIONS: We conclude that by 2035, cardiothoracic surgeons will be responsible for more than 850,000 patients requiring surgery. This represents a 61% increase in the national case load and a potential for a 121% increase for each cardiothoracic surgeon. We believe this is not feasible and a sign of trouble ahead. PMID- 29221740 TI - Discussion. PMID- 29221741 TI - Balloon-expandable transaortic transcatheter aortic valve implantation with or without predilation. AB - OBJECTIVE: It has been reported that balloon aortic valvuloplasty immediately before transfemoral or transapical transcatheter aortic valve implantation has mostly little to no clinical value. We aimed to provide data on the need for balloon aortic valvuloplasty in patients undergoing transaortic transcatheter aortic valve implantation. METHODS: Patients undergoing transaortic transcatheter aortic valve implantation with the Edwards SAPIEN XT (Nyon, Switzerland) or 3 transcatheter heart valve were prospectively included at 18 sites across Europe. In the present analysis, we compare the periprocedural and 30-day outcomes of patients undergoing conventional (+ balloon aortic valvuloplasty) versus direct ( balloon aortic valvuloplasty) transaortic transcatheter aortic valve implantation. RESULTS: Of the 300 patients enrolled, 222 underwent conventional and 78 underwent direct transaortic transcatheter aortic valve implantation. Peak and mean transvalvular gradients were improved in both groups with no significant difference between groups. Procedural duration, contrast agent volume, and requirement for postdilation were also comparable. A trend toward fewer periprocedural complications was evident in the direct group (3.9% vs 11.3%; P = .053), with significantly lower rates of permanent pacemaker implantation (0% vs 5.0%; P = .034). Balloon aortic valvuloplasty omission had no significant effect on any of the 30-day safety and efficacy outcomes, including Valve Academic Research Consortium-2 composite end points (early safety events: 22.7% vs 17.4%, odds ratio, 1.17, 95% confidence interval, 0.53-2.62; clinical efficacy events: 20.5% vs 18.7%, odds ratio, 1.14, 95% confidence interval, 0.51-2.55). CONCLUSIONS: For many patients, balloon aortic valvuloplasty predilation seems to have little clinical value in transaortic transcatheter aortic valve implantation using a balloon expandable transcatheter valve and may result in a higher rate of periprocedural complications, particularly in terms of permanent pacemaker implantation. PMID- 29221742 TI - Early experience with robotic mitral valve repair with intra-aortic occlusion. AB - OBJECTIVE: To report the learning curve and early results of robotic mitral valve repairs in comparison with propensity score-matched sternotomy controls after the adoption of a robotic mitral valve surgery program in a university teaching hospital. METHODS: A total of 142 patients underwent robotic mitral valve repair due to degenerative mitral regurgitation between May 2011 and December 2015. Control patients operated on via the conventional sternotomy approach were selected by the use of propensity score analysis resulting in 2 well-matched study groups. RESULTS: Valve repair rate was 98.6% and 97.9% in the robotic and sternotomy groups, respectively. Operation length, cardiopulmonary bypass, aortic crossclamp, and ventilation times were shorter in the sternotomy group. All of these times were statistically significantly reduced within the robotic group during the learning curve. Even though there was no statistically significant difference in the rate of perioperative complications between the groups, 3 patients in the robotic group required postoperative extracorporeal membrane oxygenation due to low cardiac output, and 1 patient in the robotic group died. In the robotic and sternotomy groups, 86.3% versus 84.7% of patients had grade <=1+ mitral valve regurgitation at the latest follow-up visit, and there was no statistically significant difference in survival or reoperation rate between the 2 study groups during follow-up. CONCLUSIONS: The present series reports the entire early learning curve related to the introduction of robotic mitral valve repair in our institution. In all, repair rate and early durability were acceptable, but more patients in the robotic group had serious complications. Early major robotic complications that occurred may have been related to the simultaneous use of intra-aortic occlusion. PMID- 29221743 TI - Ex vivo hydrodynamics after central and paracommissural edge-to-edge technique: A further step toward transcatheter tricuspid repair? AB - OBJECTIVES: Transcatheter approaches in heart valve disease became tremendously important and are currently established in the aortic position, but transcatheter tricuspid repair is still in its beginning and remains challenging. Replicating the surgical edge-to-edge technique, for example, with the MitraClip System (Abbott Vascular, Santa Clara, Calif), represents a promising option and has been reported successfully in small numbers of cases. However, up to now, few data considering the edge-to-edge technique as a transcatheter approach are available. This study aims to determine the ex vivo hydrodynamics after the central and paracommissural edge-to-edge technique in different pathologies. METHODS: Because of basal or apical dislocation of papillary muscles, leaflet prolapse or tethering was simulated in porcine tricuspid valves mounted on a flexible holding device. Central and paracommissural edge-to-edge techniques were evaluated successively in these pathologies. Regurgitant volume and mean transvalvular gradient were determined in a pulse duplicator. RESULTS: In this ex vivo model, the isolated edge-to-edge technique reduced tricuspid regurgitation. In the prolapse model, regurgitant volume decreased significantly after central edge-to edge technique (from 49.4 +/- 13.6 mL/stroke to 39.3 +/- 14.1 mL/stroke). In the tethering model, both the central and the paracommissural edge-to-edge techniques led to a significant decrease (from 48.7 +/- 13.9 to 43.6 +/- 15.6 and to 41.1 +/ 13.8 mL/stroke). In all cases, the reduction of regurgitant volume was achieved at the cost of significantly increased mean transvalvular gradient. CONCLUSIONS: This study provides a reduction of tricuspid regurgitation after the edge-to-edge technique in the specific experimental setup. Whether this reduction is sufficient to treat tricuspid regurgitation successfully in clinical practice remains to be established. Transcatheter approaches need to be evaluated further, probably with regard to concomitant annuloplasty for higher reduction of tricuspid regurgitation. PMID- 29221744 TI - It is all about the quality of the data. PMID- 29221745 TI - Upfront surgery as first-line therapy in selected patients with stage IIIA non small cell lung cancer. AB - OBJECTIVE: Surgery plays an important role in the multidisciplinary treatment strategy for patients with stage IIIA non-small cell lung cancer (NSCLC). Besides induction therapy, patients could benefit from surgery followed by adjuvant chemotherapy and radiotherapy. This study analyzed a subset of patients with pIIIA NSCLC who underwent upfront surgery as first-line therapy. METHODS: Selected patients with pIIIA NSCLC who received upfront surgery were retrospectively analyzed. Clinicopathologic characteristics and survival outcomes including progression-free survival (PFS) and overall survival (OS) were evaluated. RESULTS: A total of 668 patients were identified. Five hundred sixty five patients received adjuvant chemotherapy, and 157 patients received adjuvant radiotherapy after surgery. The median PFS and OS were 17.0 and 44.0 months, respectively. The 3-year and 5-year PFS rates were 31.6% and 21.0%, and the 3 year and 5-year OS rates were 54.7% and 43.0%. Patients with adenocarcinoma (AD) had better OS than those with squamous cell carcinoma (5-year OS: P = .026). Patients with low-grade AD (acinar and papillar) had a similar PFS and OS compared with patients with high-grade AD (solid, micropapillary, and mucinous) (5-year PFS: P = .894; 5-year OS: P = .439). Patients with mutated epidermal growth factor receptor had a similar OS to patients with wild-type epidermal growth factor receptor (5-year OS: P = .121). Patients with clinical N0 status (P = .004) and patients with single-station of pathologic N2 (P < .001) had better OS. CONCLUSIONS: Upfront surgery followed by adjuvant therapy may provide favorable survival outcomes for selected patients with pIIIA NSCLC, especially for patients with AD or patients with clinical N0 and pathologic single-station N2 diseases. PMID- 29221746 TI - Clinical and neuroimaging characteristics of cerebral sinovenous thrombosis in neonates undergoing cardiac surgery. AB - OBJECTIVES: Neonates with congenital heart disease may have an increased risk of cerebral sinovenous thrombosis, but incidence rates are lacking. This study describes the clinical and neuroimaging characteristics of cerebral sinovenous thrombosis in neonates undergoing cardiac surgery. METHODS: Forty neonates (78% male) requiring neonatal univentricular or biventricular cardiac repair using cardiopulmonary bypass were included. All underwent preoperative (median postnatal day 7) and postoperative (median postoperative day 7) magnetic resonance imaging of the brain, including venography, to detect cerebral sinovenous thrombosis. Clinical characteristics were compared between cerebral sinovenous thrombosis positive and cerebral sinovenous thrombosis negative neonates. RESULTS: Postoperatively, cerebral sinovenous thrombosis was diagnosed in 11 neonates (28%), with the transverse sinus affected in all, and involvement of multiple sinuses in 10 (91%). Preoperatively, signs of thrombosis were seen in 3 cases (8%). Focal infarction of the basal ganglia was significantly more common in cerebral sinovenous thrombosis positive than cerebral sinovenous thrombosis negative neonates (P = .025). Cerebral sinovenous thrombosis positive neonates spent more time in the intensive care unit preoperatively (P = .001), had lower weight (P = .024) and lower postmenstrual age (P = .030) at surgery, and had prolonged use of a central venous catheter (P = .023) and a catheter placed in the internal jugular vein more often (P = .039). Surgical and postoperative factors were not different between new postoperative cerebral sinovenous thrombosis positive and cerebral sinovenous thrombosis negative neonates. CONCLUSIONS: Cerebral sinovenous thrombosis might be more common than previously understood in neonates undergoing cardiac surgery. In our study, cerebral sinovenous thrombosis was associated with a higher risk of additional intra parenchymal brain injury. PMID- 29221747 TI - Value analysis committees: Not just another committee to get out of. PMID- 29221748 TI - Hydroxyethyl starch is associated with early postoperative delirium in patients undergoing esophagectomy. AB - OBJECTIVE: Postoperative delirium is associated with longer hospital stay and increased morbidities. Patients undergoing esophagectomy have a high chance of developing postoperative delirium because of their advanced age, comorbidities, and intensive care unit care. In this study, we investigated the risk factors of early postoperative delirium in patients undergoing esophagectomy, focusing on perioperative fluid type to test the hypothesis that colloids with high oncotic pressure and anti-inflammatory action would decrease the incidence of postoperative delirium compared with crystalloids. METHODS: All patients who underwent esophagectomy from 2010 to 2015 in a tertiary care center were reviewed in this retrospective study (n = 1041). Patients who showed positive Confusion Assessment Method or received haloperidol within 4 days postoperatively were enrolled as those with postoperative delirium (+). Multivariable logistic regression was performed to identify risk factors for postoperative delirium. Incidence of postoperative delirium was compared among crystalloids, hydroxyethyl starch, and albumin groups after propensity score matching. RESULTS: The incidence of delirium within postoperative 4 days was 22.7%. Infusion of hydroxyethyl starch was an independent risk factor (odds ratio [OR], 1.53; 95% confidence interval [CI], 1.09-2.14; P = .0151). Other risk factors were age (OR, 1.04; 1.02-1.06, per year; P = .0002), preoperative cerebrovascular disease (OR, 2.18; 1.15-4.12; P = .0170), pulmonary dysfunction (OR, 1.85; 1.33-2.58; P = .0003), and transfusion (OR, 1.76; 1.22-2.53; P = .0023). Propensity score matching analysis confirmed that administration of hydroxyethyl starch, but not albumin, is related to postoperative delirium. CONCLUSIONS: Old age, preoperative cerebrovascular disease, pulmonary dysfunction, transfusion, and hydroxyethyl starch administration were related to early postoperative delirium. If colloid must be administered, albumin is preferred to hydroxyethyl starch. PMID- 29221749 TI - Mitral surgery on the precipice of transformation. PMID- 29221751 TI - Bridging silos: Taking a page from the Alzheimer playbook. PMID- 29221752 TI - Chronic nicotine exposure impairs uncertainty modulation on reinforcement learning in anterior cingulate cortex and serotonin system. AB - Deficits in the computational processes of reinforcement learning have been suggested to underlie addiction. Additionally, environmental uncertainty, which is encoded in the anterior cingulate cortex (ACC), modulates reward prediction errors (RPEs) during reinforcement learning and exacerbates addiction. The present study tested whether and how the ACC would have an essential role in drug addiction by failing to use uncertainty to modulate the RPEs during reinforcement learning. In Experiment I, we found that the ACC/medial prefrontal cortex (MPFC) did not modulate RPE learning according to uncertainty in smokers. The effect of uncertainty * RPE in the ACC/MPFC was correlated with the learning rate of RPEs and the duration of nicotine use. Experiment II demonstrated that serotonin, but not dopamine, receptor mRNA expression significantly decreased in the ACC of the nicotine exposed compared to the control rats. Furthermore, there was a positive correlation between learning rate and serotonin receptor mRNA expression in the ACC. Therefore, all present results suggest that impairments in uncertainty modulation in the ACC disrupt reinforcement learning processes in chronic nicotine users and contribute to maladaptive decision-making. These findings support interventions for pathological decision-making in drug addiction that strongly focus on the serotonin system in ACC. PMID- 29221750 TI - Secondary surgical-site infection after coronary artery bypass grafting: A multi institutional prospective cohort study. AB - OBJECTIVE: To analyze patient risk factors and processes of care associated with secondary surgical-site infection (SSI) after coronary artery bypass grafting (CABG). METHODS: Data were collected prospectively between February and October 2010 for consenting adult patients undergoing CABG with saphenous vein graft (SVG) conduits. Patients who developed a deep or superficial SSI of the leg or groin within 65 days of CABG were compared with those who did not develop a secondary SSI. RESULTS: Among 2174 patients identified, 65 (3.0%) developed a secondary SSI. Median time to diagnosis was 16 days (interquartile range 11-29) with the majority (86%) diagnosed after discharge. Gram-positive bacteria were most common. Readmission was more common in patients with a secondary SSI (34% vs 17%, P < .01). After adjustment, an open SVG harvest approach was associated with an increased risk of secondary SSI (adjusted hazard ratio [HR], 2.12; 95% confidence interval [CI], 1.28-3.48). Increased body mass index (adjusted HR, 1.08, 95% CI, 1.04-1.12) and packed red blood cell transfusions (adjusted HR, 1.13; 95% CI, 1.05-1.22) were associated with a greater risk of secondary SSI. Antibiotic type, antibiotic duration, and postoperative hyperglycemia were not associated with risk of secondary SSI. CONCLUSIONS: Secondary SSI after CABG continues to be an important source of morbidity. This serious complication often occurs after discharge and is associated with open SVG harvesting, larger body mass, and blood transfusions. Patients with a secondary SSI have longer lengths of stay and are readmitted more frequently. PMID- 29221754 TI - Up-regulation of YPEL1 and YPEL5 and down-regulation of ITGA2 in erlotinib treated EGFR-mutant non-small cell lung cancer: A bioinformatic analysis. AB - PURPOSE: This study aimed to identify genes with significant alteration following treatment of epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) with tyrosine kinase inhibitors (TKIs). METHODS: We downloaded microarray data of GSE67051 from the Gene Expression Omnibus (GEO) database. Genes with differential expression were identified in two groups: erlotinib treated versus DMSO-treated PC9 cells and erlotinib-treated versus DMSO-treated HCC827 cells. Functional enrichment analysis and protein-protein interaction (PPI) network were performed on the overlapping differentially expressed genes (DEGs). Additionally, miRNAs that can regulate the DEGs were predicted. Small molecule drugs, with possible synergistic or antagonistic actions with respect to erlotinib, were screened; data validation using another dataset was conducted. RESULTS: In total, 1466 and 839 DEGs were identified in the aforementioned comparison groups, respectively, among which 267 overlapping up-regulated and 73 down-regulated were observed. The overlapping up- and down-regulated genes were significantly associated with different functions and pathways. ITGA2 had higher centrality scores in the PPI network. Seventy small-molecule drugs, with either possible synergistic or antagonistic roles with erlotinib, were identified. Moreover, up-regulated YPEL1, YPEL2, and YPEL5 were enriched in the miRNA-target regulatory network. Implementing data validation, we found YPEL1, YPEL5, and ITGA2 displayed similar expression profiles in the two datasets. CONCLUSION: YPEL1 and YPEL5 may be related to the action of erlotinib, and down-regulation of ITGA2 may be associated with the development of acquired resistance to erlotinib in EGFR-mutant NSCLCs. Furthermore, several small-molecule drugs that may have synergistic and antagonistic roles with erlotinib were identified. PMID- 29221755 TI - Unilateral brachial plexopathy, a rare complication of Mycoplasma pneumoniae infection. AB - Few reports in the literature describe isolated peripheral neuropathies in relation to Mycoplasma pneumoniae infection without concurrent damage to the central nervous system. To our knowledge only a single case of mononeuritis multiplex with brachial plexus neuropathy coincident with M. pneumoniae has been documented until now. Here we present the first clinical case of lobar M. pneumoniae pneumonia in a 19-year-old female patient, where coincident neurological complications manifested as unilateral brachial plexus neuropathy, affecting axillar and suprascapular nerves. Isolated M. pneumoniae from sputum belonged to P1 type 2 and to MLVA type 3-6-6-2. No mutation associated with macrolide resistance in domain V of the 23S rRNA gene was detected. Serological testing of a GM1 antibody showed positive results, which might support the role of immunologic mechanisms in the pathogenesis of peripheral neuropathies related to M. pneumoniae infection. PMID- 29221753 TI - PURA, the gene encoding Pur-alpha, member of an ancient nucleic acid-binding protein family with mammalian neurological functions. AB - The PURA gene encodes Pur-alpha, a 322 amino acid protein with repeated nucleic acid binding domains that are highly conserved from bacteria through humans. PUR genes with a single copy of this domain have been detected so far in spirochetes and bacteroides. Lower eukaryotes possess one copy of the PUR gene, whereas chordates possess 1 to 4 PUR family members. Human PUR genes encode Pur-alpha (Pura), Pur-beta (Purb) and two forms of Pur-gamma (Purg). Pur-alpha is a protein that binds specific DNA and RNA sequence elements. Human PURA, located at chromosome band 5q31, is under complex control of three promoters. The entire protein coding sequence of PURA is contiguous within a single exon. Several studies have found that overexpression or microinjection of Pura inhibits anchorage-independent growth of oncogenically transformed cells and blocks proliferation at either G1-S or G2-M checkpoints. Effects on the cell cycle may be mediated by interaction of Pura with cellular proteins including Cyclin/Cdk complexes and the Rb tumor suppressor protein. PURA knockout mice die shortly after birth with effects on brain and hematopoietic development. In humans environmentally induced heterozygous deletions of PURA have been implicated in forms of myelodysplastic syndrome and progression to acute myelogenous leukemia. Pura plays a role in AIDS through association with the HIV-1 protein, Tat. In the brain Tat and Pura association in glial cells activates transcription and replication of JC polyomavirus, the agent causing the demyelination disease, progressive multifocal leukoencephalopathy. Tat and Pura also act to stimulate replication of the HIV-1 RNA genome. In neurons Pura accompanies mRNA transcripts to sites of translation in dendrites. Microdeletions in the PURA locus have been implicated in several neurological disorders. De novo PURA mutations have been related to a spectrum of phenotypes indicating a potential PURA syndrome. The nucleic acid, G-rich Pura binding element is amplified as expanded polynucleotide repeats in several brain diseases including fragile X syndrome and a familial form of amyotrophic lateral sclerosis/fronto-temporal dementia. Throughout evolution the Pura protein plays a critical role in survival, based on conservation of its nucleic acid binding properties. These Pura properties have been adapted in higher organisms to the as yet unfathomable development of the human brain. PMID- 29221756 TI - Characterization of the binding site for d-deprenyl in human inflamed synovial membrane. AB - AIMS: d-Deprenyl when used as a positron emission tomography tracer visualizes peripheral inflammation. The major aim of the current study was to identify and investigate the properties of the binding target for d-deprenyl in synovial membrane explants from arthritic patients. MAIN METHODS: Thirty patients diagnosed with arthritis or osteoarthritis were enrolled into the study. Homologous and competitive radioligand binding assays utilizing [3H]d-deprenyl were performed to investigate the biochemical characteristics of the binding site and assess differences in the binding profile in synovial membranes exhibiting varying levels of inflammation. KEY FINDINGS: The [3H]d-deprenyl binding assay confirmed the existence of a single, saturable population of membrane-bound protein binding sites in synovial membrane homogenates. The macroscopically determined level of inflammation correlated with an increase in [3H]d-deprenyl binding affinity, without significant alterations in binding site density. Selective monoamine oxidase B inhibitor, selegiline competed for the same site as [3H]d-deprenyl, but failed to differentiate the samples with regard to their inflammation grade. A monoamine oxidase A inhibitor, pirlindole mesylate showed only weak displacement of [3H]d-deprenyl binding. No significant alterations in monoamine oxidase B expression was detected, thus it was not confirmed whether it could serve as a marker for ongoing inflammation. SIGNIFICANCE: Our study was the first to show the biochemical characteristics of the [3H]d-deprenyl binding site in inflamed human synovium. We confirmed that d-deprenyl could differentiate between patients with varying severity of synovitis in the knee joint by binding to a protein target distinct from monoamine oxidase B. PMID- 29221757 TI - An international, multicenter cohort study comparing 6 shoulder clinical scores in an asymptomatic population. AB - HYPOTHESIS: The study purpose was to assess 6 shoulder patient-reported outcome measure (PROM) values in asymptomatic, healthy, pathology-free individuals. We hypothesized that there would be no difference in PROM values in pathology-free individuals when considering sex, age, ethnicity, and geographical location. METHODS: Electronic questionnaires were completed by 635 individuals (323 Australians and 312 Canadians) without dominant shoulder pathology for the American Shoulder and Elbow Surgeons (ASES) shoulder score; Constant-Murley Shoulder Score (CSS); Oxford Shoulder Score (OSS); University of California, Los Angeles (UCLA) shoulder score; Shoulder Pain and Disability Index (SPADI); and Stanmore Percentage of Normal Shoulder Assessment (SPONSA). Shoulder range of motion and strength were assessed. RESULTS: No difference was identified between subjective-only and subjective-objective PROMs. Handedness and a current elbow or wrist problem were not associated with differences in PROM values. Poorer PROM values were associated with a history of an inactive shoulder problem and increasing age. Female participants tended to report similar or poorer PROM scores. No significant difference was found between ethnicities. Geographical location was associated with differences in the ASES shoulder score, UCLA shoulder score, and SPADI but not the CSS, SPONSA, and OSS. CONCLUSIONS: Differences in sex, age, and geographical location will affect PROM shoulder scores in pathology-free individuals and should be taken into consideration when PROMs are being used to compare patient outcomes. This study has established normative values for the ASES shoulder score, CSS, OSS, UCLA shoulder score, SPADI, and SPONSA. Future studies assessing a pathologic patient cohort should perform comparisons against a sex- and age-matched control cohort, ideally sourced from the same geographical location. PMID- 29221758 TI - Oocyte vitrification for preserving fertility in patients with endometriosis: first observational cohort study... and many unresolved questions. Letter to the Editor. PMID- 29221759 TI - Clinically significant pedicle screw malposition is an underestimated cause of radiculopathy. PMID- 29221760 TI - Substrate specificity and transfucosylation activity of GH29 alpha-l-fucosidases for enzymatic production of human milk oligosaccharides. AB - Human milk oligosaccharides (HMOs) constitute a unique family of bioactive lactose-based molecules present in human breast milk. HMOs are of major importance for infant health and development but also virtually absent from bovine milk used for infant formula. Among the HMOs, the fucosylated species are the most abundant. Transfucosylation catalysed by retaining alpha-l-fucosidases is a new route for manufacturing biomimetic HMOs. Seven alpha-l-fucosidases from glycosyl hydrolase family 29 were expressed, characterized in terms of substrate specificity and thermal stability, and shown to be able to catalyse transfucosylation. The alpha-l-1,3/4-fucosidase CpAfc2 from Clostridium perfringens efficiently catalysed the formation of the more complex human milk oligosaccharide structure lacto-N-fucopentaose II (LNFP II) using 3 fucosyllactose as fucosyl donor and lacto-N-tetraose as acceptor with a 39% yield. alpha-l-Fucosidases FgFCO1 from Fusarium graminearum and Mfuc5 from a soil metagenome were able to catalyse transfucosylation of lactose using citrus xyloglucan as fucosyl donor. FgFCO1 catalysed formation of 2'-fucosyllactose, whereas Mfuc5 catalysis mainly produced an unidentified, non-HMO fucosyllactose, reaching molar yields based on the donor substrate of 14% and 18%, respectively. PMID- 29221761 TI - Enrichment of PHA-producing bacteria under continuous substrate supply. AB - To enrich polyhydroxyalkanoate (PHA) producing microbial communities, generally, a feast-famine regime is applied. Here we investigated the impact of continuous substrate feeding on the enrichment of PHA-producing bacteria in two sequencing batch reactors (SBRs). In the first reactor, the substrate (acetate) was dosed continuously and Zoogloea sp. was enriched. The culture accumulated PHA upon exposure to excess carbon, but the PHA production rate and storage capacity (53 wt.%) were one-fifth of that observed for enrichment cultures in a standard, pulse-fed SBR dominated by the PHA producer Plasticicumulans acidivorans. In the second reactor, half the acetate was dosed at the beginning of the cycle and the other half continuously. Having a true feast phase, the enrichment of P. acidivorans was not impeded by the continuous supply of acetate and the culture accumulated 85 wt.% PHA. This shows that for the enrichment of bacteria with a superior PHA-producing capacity periodic substrate excess - a true feast phase - is essential, while periodic substrate absence - a true famine phase - is not. PMID- 29221762 TI - Continuous Infusion of Cilengitide Plus Chemoradiotherapy for Patients With Stage III Non-Small-cell Lung Cancer: A Phase I Study. AB - INTRODUCTION: Because of our previous preclinical results, we conducted a phase I study associating the specific alphavbeta3/alphavbeta5 integrin inhibitor cilengitide, given as a continuous infusion, with exclusive chemoradiotherapy for patients with stage III non-small-cell lung cancer. PATIENTS AND METHODS: A standard 3+3 dose escalation design was used. Cilengitide was given as a continuous infusion (dose levels of 12, 18, 27, and 40 mg/h), starting 2 weeks before and continuing for the whole course of chemoradiotherapy (66 Gy combined with platinum/vinorelbine), and then at a dose of 2000 mg twice weekly in association with chemotherapy. 2-Deoxy-2-[fluorine-18]fluoro-d-glucose positron emission tomography (PET) and computed tomography scans were performed before and after the first 2 weeks of cilengitide administration and then every 3 months. RESULTS: Of the 14 patients included, 11 were evaluable for evaluation of the dose-limiting toxicities (DLTs). One DLT, a tracheobronchial fistula, was reported with the 40 mg/h dose. No relevant adverse events related to cilengitide were observed overall. At the PET evaluation 2 months after chemoradiotherapy, 4 of 9 patients had a complete response and 4 had a partial response. The median progression-free and overall survival was 14.4 months (95% confidence interval [CI], 8.4 to not reached) and 29.4 months (95% CI, 11.73 to not reached), respectively. CONCLUSION: Cilengitide, given continuously with chemoradiotherapy, showed acceptable toxicity and gave encouraging clinical results. PMID- 29221763 TI - Cognitive impairment and quality of life of people with epilepsy and neurocysticercosis in Zambia. AB - Cognitive impairment and quality of life (Qol) are important to assess the burden of epilepsy and neurocysticercosis (NCC), which are common but neglected in Sub Saharan Africa (SSA). The aims of this study were to assess cognitive performance and Qol of people with epilepsy (PWE) in Zambia and to explore differences in PWE with and without NCC. In this community based, cross-sectional case-control study, 47 PWE and 50 healthy controls completed five neuropsychological tests (Mini Mental State Examination (MMSE), Digit Span, Selective Reminding Test (SRT), Spatial Recall Test (SPART), Test Battery of Attentional Performance (TAP)) and a World Health Organization (WHO) questionnaire of Qol. Comparisons were made between PWE (n=47) and healthy controls (n=50) and between PWE with NCC (n=28) and without NCC (n=19), respectively, using Analysis of Covariance (ANCOVA) and Linear Models (LMs) while correcting for confounders such as age, sex, and schooling years, and adjusting for multiplicity. Working memory, spatial memory, verbal memory, verbal learning, orientation, speech and language reception, visuoconstructive ability, and attentional performance were significantly reduced in PWE compared with healthy controls (ANCOVA and LM, p<0.05). Quality of life of PWE was significantly lower in three domains (psychological, social, environmental) and in overall Qol compared with healthy controls (ANCOVA, p<0.05). There were no significant differences between PWE with NCC and PWE without NCC detected by ANCOVA. Using LM, significant differences between the groups were detected in four tests, indicating worse performance of PWE without NCC in MMSE, Digit Span, SPART, and lower physical Qol. Epilepsy was found to be associated with cognitive impairment and reduced Qol. People with epilepsy due to NCC had similar cognitive impairment and Qol compared with PWE due to other causes. Further studies should investigate the role of different conditions of NCC and the role of seizures on cognition and Qol. PMID- 29221764 TI - Regulation of autophagy by polyphenols: Paving the road for treatment of neurodegeneration. AB - In the present paper, we will discuss on the importance of autophagy in the central nervous system, and outline the relation between autophagic pathways and the pathogenesis of neurodegenerative disorders. The potential therapeutic benefits of naturally occurring phytochemicals as pharmacological modulators of autophagy will also be addressed. Our findings provide renewed insight on the molecular modes of protection by polyphenols, which is likely to be at least in part mediated not only by their potent antioxidant and anti-inflammatory effects, but also through modulation of autophagic processes to remove the aberrant protein aggregates. PMID- 29221765 TI - Advances in fetal echocardiography. AB - The development of fetal echocardiography and success in prenatal cardiac screening programs over the past 30 years has been driven by technical innovation and influenced by the different approaches of the various specialties practicing it. Screening for congenital heart defects no longer focuses on examining a limited number of pregnant women thought to be at increased risk, but instead forms an integrated part of a high-quality anatomical ultrasound performed in the second trimester using the 'five-transverse view' protocol. A prenatal diagnosis is feasible in almost all cardiac lesions and the advantages to parents and to health professionals are well recognized. Prenatal evaluation can usually determine the level of care required at delivery, thereby reducing perinatal morbidity. However, only half of the babies undergoing surgery within the first year of life have a prenatal detection, and practical training programs to support and provide feedback to sonographers remain essential for continued improvement. PMID- 29221766 TI - Screening for fetal growth restriction and placental insufficiency. AB - Fetal growth restriction (FGR) continues to be a leading cause of preventable stillbirth and poor neurodevelopmental outcomes in offspring, and furthermore is strongly associated with the obstetrical complications of iatrogenic preterm birth and pre-eclampsia. The terms small for gestational age (SGA) and FGR have, for too long, been considered equivalent and therefore used interchangeably. However, the delivery of improved clinical outcomes requires that clinicians effectively distinguish fetuses that are pathologically growth-restricted from those that are constitutively small. A greater understanding of the multifactorial pathogenesis of both early- and late-onset FGR, especially the role of underlying placental pathologies, may offer insight into targeted treatment strategies that preserve placental function. The new maternal blood biomarker placenta growth factor offers much potential in this context. This review highlights new approaches to effective screening for FGR based on a comprehensive review of: etiology, diagnosis, antenatal surveillance and management. Recent advances in novel imaging methods provide the basis for stepwise multi-parametric testing that may deliver cost-effective screening within existing antenatal care systems. PMID- 29221767 TI - Editorial commentary: Interpreting and dealing with myocardial stunning. PMID- 29221768 TI - Current interpretation of myocardial stunning. AB - Myocardial stunning is a temporary post-ischemic cardiac mechanical dysfunction. As such, it is a heterogeneous entity and different conditions can promote its occurrence. Transient coronary occlusion, increased production of catecholamines and endothelin, and myocardial inflammation are all possible causes of myocardial stunning. Possible underlying mechanisms include an oxyradical hypothesis, calcium overload, decreased responsiveness of myofilaments to calcium, and excitation-contraction uncoupling due to sarcoplasmic reticulum dysfunction. The aim of this review is to summarize the clinical conditions that may be responsible for stunned myocardium. PMID- 29221769 TI - Actigraphy: a useful tool to monitor sleep-related hypermotor seizures. PMID- 29221770 TI - A simple intervention that markedly reduces the effectiveness of positive airway pressure. PMID- 29221771 TI - The sex-specific interaction between food responsiveness and sleep duration explaining body mass index among children. AB - OBJECTIVE/BACKGROUND: The inverse relationship between sleep duration and body mass index (BMI) has been well established and appears to be stronger among boys than girls. However, less is known about the mechanisms responsible for this sex specific link. The main aim of the current study was to examine the sex-specific interaction between food responsiveness and sleep duration in explaining BMI among children. This sex-specific moderation will give more insight into a possible underlying food intake mechanism. PATIENTS/METHODS: In total, 206 caregivers filled out questionnaires on child's sleep duration and food responsiveness (49.5% boys; mean age = 9.5 years; standard deviation = 1.4 years). Child's weight and height were measured, after which age- and sex specific standardized BMI values (referred to as zBMI here) were calculated. Descriptive statistics and regression analysis were conducted. A potential significant three-way interaction was further examined using simple slopes analysis and slope difference tests. RESULTS: A significant inverse correlation was found between sleep duration and zBMI for boys, but not for girls. Moreover, a significant and robust three-way interaction between sex, food responsiveness and sleep duration explaining child's zBMI was found. Slope difference tests indicate that the sleep-BMI slopes only significantly differed between high-food responsive boys and high-food-responsive girls and between high-food-responsive boys and low-food-responsive boys. CONCLUSIONS: These findings suggest that increased food intake might be a mechanism explaining the inverse sleep-BMI link among boys. PMID- 29221772 TI - Investigating psychological and physiological responses to the Trier Social Stress Test in young adults with insomnia. AB - OBJECTIVE: Stress and hyperarousal both contribute to insomnia. Elevated stress related sleep reactivity is associated with hyperarousal, and might constitute a vulnerability to future insomnia. The present study examined acute stress-induced arousal and its association with nocturnal sleep. METHODS: Participants were 30 healthy adults (66.7% female, Mage = 26.7 years): 10 with insomnia (INS) and 20 good sleepers with high vulnerability (HV) or low vulnerability (LV) to insomnia. They underwent two consecutive nights of polysomnography. During the evening preceding the second night, the Trier Social Stress Test (TSST) was administered, and psychological and physiological arousal indices were assessed. RESULTS: The TSST elicited an increase in psychological and physiological arousal in all three groups. The INS group showed greater acute cortisol response (p < 0.05) and secretion at bedtime (p < 0.05), and higher pre-sleep cognitive arousal (p < 0.01) than the LV group; HV participants did not significantly differ from those in the INS or the LV group. Increased cortisol response and elevated sympathovagal imbalance (ie, low frequency/high frequency ratio) were each significantly associated with longer nocturnal awakenings (p = 0.048, p = 0.037, respectively). Heightened blood pressure was significantly associated with prolonged sleep onset latency, and reduced total sleep time and sleep efficiency (all ps < 0.05). CONCLUSIONS: These findings support the hyperarousal conceptualization of insomnia and indirectly suggest that increased stress reactivity and bedtime hyperarousal might represent a trait-like vulnerability in certain good sleepers. More research is warranted to validate and expand these preliminary findings. PMID- 29221773 TI - Gender differences in sleep symptoms after repeat concussions. AB - OBJECTIVES: There are notable gender differences in concussion as well as sleep. Sleep disturbance is a major symptom of post-concussive syndrome. The interplay between sleep disturbance, concussion, and gender has yet to be examined. The objective of this study was to determine whether sleep disturbance plays a role in the known gender differences associated with concussion. METHODS: Males and females (ages 10-35 years) completed a pre-concussion and post-concussion evaluation. Levels of sleep disturbance were assessed at baseline (N = 1284), after first concussion (N = 432) and after repeated concussions (one or more concussions, N = 296). Sleep disturbance levels were also compared among males and females with headaches, mood changes, and cognitive dysfunction. Analyses included group comparisons and correlations of post-concussive symptoms and cognitive dysfunction, respectively. Data was adjusted for age. RESULTS: Compared to males, females reported higher levels of sleep disturbance after a single concussion; however, levels of sleep disturbance equalized after repeated concussions. Females with higher levels of sleep disturbance had more headaches and more mood changes requiring medical treatment, compared to males. In addition, sleep disturbance was more strongly correlated with cognitive dysfunction in females compared to males. CONCLUSION: Gender differences in concussion recovery after repeat concussions may be primarily due to a difference in sleep disturbance between the genders. This difference in sleep appears to moderate the levels of other post-concussive symptoms. This indicates that sleep disturbance should be closely monitored and treated in females after a concussion. Further studies are required to determine the underlying reasons for these gender differences. PMID- 29221774 TI - Sleep-dependent motor sequence memory consolidation in individuals with periodic limb movements. AB - Periodic limb movements (PLMs) during sleep increase with age and are associated with striatal neurodegeneration and dopamine deficiency. Limb movements are often associated with disruptions to non-rapid eye movement (NREM) sleep. Motor skill memory consolidation recruits the striatum, and learning-dependent striatal activation is associated with NREM sleep. Therefore, we investigated whether de novo individuals who significantly experience elevated levels of PLMs but have not been formally diagnosed with periodic limb movement disorder had learning and sleep-related memory deficits and whether these deficits were related to sleep quality and symptom severity. In total, 14 adults with significantly elevated PLMs (PLM condition), 15 age-matched controls (CTRL), and 14 age-matched "disturbed" sleep (through induced leg movements) controls (CTRL-ES) participated. The participants were trained (PM) and retested (AM) on procedural motor sequence learning (MSL) and declarative paired associates memory tasks. Baseline sleep quality was significantly worse in PLM than in CTRL. Despite the continued presence of PLMs in the PLM condition on the experimental night, remarkably, sleep quality improved and arousals decreased, vs. baseline, and did not differ from CTRL. MSL was significantly slower in the PLM condition than in CTRL at training but surprisingly exhibited overnight performance gains, which correlated with reduced arousals. As predicted, CTRL but not CTRL-ES had overnight gains in MSL. Taken together, this suggests that in the PLM condition, sleep quality was normalized following MSL, where they derived the same benefit of sleep to procedural memory consolidation as in CTRL. Sleep did not benefit declarative memory. Although preliminary, these results suggest that MSL in individuals with PLMs may provide a benefit to sleep, which in turn may benefit memory consolidation. PMID- 29221775 TI - Short sleep and risk of proteinuria in 3-year-olds in Japan: a population-based cohort study. AB - OBJECTIVE: To examine whether short sleep at 18 months of age is associated with risk of proteinuria at 3 years of age. METHODS: A population-based cohort study using municipal health check-up data from 62,623 children born between March 1, 2004, and April 30, 2011, and followed to 3 years via questionnaire in Kobe City, Japan. Sleep duration was calculated from wake time and bedtime at the 18-month health check-up by standardized parent-reported questionnaires. Proteinuria, defined as dipstick urinary protein of >=1+, was measured by dipstick urinalysis at 3 years. Multivariable logistic regression was used to generate adjusted olds ratios. RESULTS: In total, 2253 (3.6%) children had short nighttime sleep (<=8 h) at 18 months. At 3 years, 765 (1.2%) children had proteinuria. The adjusted odds ratio for proteinuria among children with 8 h of sleep or less versus those with normal sleep of 10 h per night was 1.50 (95% confidence interval, 1.07-2.11; P = 0.02). Odds ratios of the same direction but weaker magnitude were observed for children with bedtime at 22:00 or later, and those with wake time at 6:00 or earlier. CONCLUSIONS: Short sleep at 18 months was associated with risk of proteinuria at 3 years. Future research is warranted to examine whether sleep programs targeting early childhood may have additional potential health benefits for kidney development. PMID- 29221776 TI - Sleep characteristics associated with drowsy driving. AB - OBJECTIVE: The aim of this study was to evaluate sleep characteristics associated with drowsy driving in an adult population. METHODS: The study subjects consisted of 1675 adults aged 19 years or older who completed a population-based questionnaire survey on sleep habits. Experiences of drowsy driving were obtained from self-reported data. We investigated sleep-related variables including sleep duration, sleep efficiency, chronotype, subjective sleep perception, daytime sleepiness, sleep quality, and snoring. We performed multivariate logistic regression analysis to determine sleep characteristics independently associated with drowsy driving. RESULTS: The mean age of the subjects was 43.2 years, and 66.3% were men. The prevalence of self-reported drowsy driving was 23.6% (396 of 1675), and 33.1% of subjects experienced dozing at the wheel at least once a month. Multivariate analysis demonstrated that men, office and manual workers, excessive daytime sleepiness, depression, habitual snoring, and perceived insufficient sleep were independently associated with drowsy driving. Subgroup analyses revealed that reduced weekday sleep duration was a risk factor of drowsy driving in adults with perceived sufficient sleep. On the other hand, frequent alcohol drinking significantly increased risk of drowsy driving in the subgroup with perceived sleep insufficiency. Furthermore, ordinal regression analyses confirmed the association between sleep characteristics and drowsy driving across different drowsy driving frequencies. CONCLUSION: Excessive daytime sleepiness, depression, habitual snoring, and perceived insufficient sleep were sleep-related risk factors for drowsy driving. In addition to maintaining healthy sleep habits, individuals at high risk should be encouraged to evaluate underlying sleep disorders or psychiatric problems to prevent drowsy driving. PMID- 29221777 TI - Prevalence of sleep apnea at the acute phase of ischemic stroke with or without thrombolysis. AB - OBJECTIVE: The aim of the study was to compare the prevalence, type, and severity of sleep apnea during the acute phase of ischemic stroke among patients either receiving or not receiving thrombolysis. METHODS: We recruited 246 consecutive adult ischemic stroke patients. Patients underwent cardiorespiratory sleep study with portable three-channel device during the first 48 h after the symptom onset of ischemic stroke. RESULTS: We enrolled 110 (65.5% male) stroke patients in the thrombolysis group and 94 (59.6% male) in the nonthrombolysis group. In the thrombolysis group, the median National Institutes of Health Stroke Scale (NIHSS) score was higher (5.5) compared to the nonthrombolysis group (2.0) (p < 0.001). There was a lower incidence of lacunar (17.3% vs 36.2%, p = 0.002) and cerebellar (2.7% vs 16.0%, p < 0.001) strokes and a higher frequency of middle cerebral artery syndrome (60.9% vs 33.0%, p < 0.001) in the thrombolysis group compared to the nonthrombolysis group. Sleep apnea defined as an apnea-hypopnea index (AHI) >= 5/h was diagnosed in 186 (91.2%) patients, its prevalence being higher in the thrombolysis (96.4%) compared to the nonthrombolysis (85.1%) group (p = 0.007). The mean baseline AHI was 33.7/h in the thrombolysis group compared to 26.8/h in the nonthrombolysis group (p = 0.017). CONCLUSION: Sleep apnea was present in the vast majority of ischemic stroke patients. The stroke patients treated with thrombolysis were more likely to have sleep apnea, to have elevated NIHSS score at admission, and to be younger. Sleep apnea was more severe among those receiving thrombolysis as compared to those who were not. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.cov. Unique identifier: NCT01861275. PMID- 29221778 TI - Long-term treatment with dopamine D3 receptor agonists induces a behavioral switch that can be rescued by blocking the dopamine D1 receptor. AB - Restless legs syndrome (RLS) is commonly treated with the dopamine agonists pramipexole, and rotigotine, which target the inhibitory dopamine receptor subtype D3R. While initially highly effective, these compounds lose their efficacy in treating RLS over time, and long-term therapy regularly leads to a worsening of the symptoms (augmentation). This dopamine agonist-induced augmentation has become a prime concern in the treatment of RLS, and while alternate therapies are being proposed, the mechanisms leading to augmentation remain opaque. Evidence suggests that the prolonged D3R treatment may lead to a hyper-dopaminergic state and involve the excitatory dopamine D1 receptor (D1R) subtype. We here present an animal model in which we can test acute and long-term effects of dopamine D3R agonists in a behavior setting relevant to RLS and in which we can induce a switch of the drug effect similar to the one observed in RLS patients under chronic therapy. We also present evidence that we can reverse this long-term effect by blocking the D1R. Together, data from our new animal model indicate that the mechanisms leading to augmentation in RLS patients after long-term use of the currently used dopamine receptor agonists may be related to a D3R-induced upregulation of the D1R system. As such, our model can be used to assess the interactions between D3R and D1R and unravel the mechanisms that lead to augmentation, and it has the potential to serve as a Launchpad for the development of new pharmacological strategies for the treatment of both RLS and augmentation. PMID- 29221779 TI - Effect of sodium oxybate, modafinil, and their combination on disrupted nighttime sleep in narcolepsy. AB - OBJECTIVE: To assess the effects of three narcolepsy treatment modalities on sleep stage shifts associated with disrupted nighttime sleep (DNS) using data from a clinical trial. METHODS: Polysomnograms were reviewed from 155 patients (who had these data available at baseline and 8 weeks) of the 278 patients who were randomized to placebo, 9-g sodium oxybate (SXB)/nightly, 200-600 mg/d modafinil, or SXB + modafinil. Major outcomes of these post hoc analyses, analyzed using analysis of covariance, were change from baseline in number of shifts from Stages N2/3/rapid eye movement (REM) to Stage N1/Wake, and from Stage N1/Wake to REM. Sleep quality was evaluated using the sleep-quality question from the Pittsburgh Sleep Quality Index. RESULTS: SXB alone or in combination with modafinil significantly decreased the number of shifts from Stage N2/3/REM to Stage N1/Wake (p < 0.01); least-squares mean change in number of shifts from baseline was -0.6, -16.5, 1.8, and -13.7 in the placebo, SXB, modafinil and SXB + modafinil groups, respectively. A similar pattern was observed for changes in shifts from REM to Stage N1/Wake and from Stage N1/Wake to REM. Relative to placebo, sleep quality significantly improved with SXB and SXB + modafinil (p <= 0.05) but not with modafinil alone. CONCLUSION: These results show that SXB with and without modafinil significantly consolidated sleep and improved patient reported sleep quality relative to placebo. In contrast, no such effects were observed with modafinil alone, suggesting a specific effect of SXB on DNS in addition to its effect on daytime sleepiness. CLINICALTRIALS. GOV IDENTIFIER: NCT00066170. PMID- 29221780 TI - Short sleep is associated with more depressive symptoms in a multi-ethnic cohort of older adults. AB - OBJECTIVES: To evaluate cross-sectional and prospective associations between short and long sleep duration and depressive symptoms in older adults (aged >65 years). METHODS: The data from a subsample of the racially/ethnically diverse Northern Manhattan Study were analyzed. Depressive symptoms were assessed twice with the Center for Epidemiologic Studies Depression Scale (CES-D), approximately 5 years apart. The presence of depressive symptoms was defined as a CES-D score >=16 or use of antidepressants. Self-reports of short (<6 h), intermediate (6-8 h) and long (>=9 h) sleep were assessed prior to the initial CES-D. Logistic regression was used to evaluate the cross-sectional associations between short and long sleep durations with depressive symptoms, using intermediate sleep as the reference. The prospective association between sleep duration and depression in a sample of participants without depressive symptoms at first CES-D was also analyzed. All models were adjusted for demographic, behavioral, and vascular risk factors. RESULTS: The initial sample consisted of 1110 participants: 62% women, 69% Hispanic, 17% black, 14% white. Short sleep was reported by 25%, intermediate sleep by 65%, and long sleep by 9%. Depressive symptoms were described in 25% of the initial sample. Short sleep, but not long sleep, was associated with depressive symptoms at baseline (adjusted OR 1.8, 95% CI 1.3-2.6), and at follow up (adjusted OR 1.9, 95% CI 1.1-3.5; median follow-up = 5.1 years). CONCLUSION: Short sleep duration had a cross-sectional and prospective association with depressive symptoms in an urban multi-ethnic cohort of older adults. PMID- 29221781 TI - Longitudinal associations between sleep and anxiety during pregnancy, and the moderating effect of resilience, using parallel process latent growth curve models. AB - BACKGROUND: For many women, pregnancy-related sleep disturbances and pregnancy related anxiety change as pregnancy progresses and both are associated with lower maternal quality of life and less favorable birth outcomes. Thus, the interplay between these two problems across pregnancy is of interest. In addition, psychological resilience may explain individual differences in this association, as it may promote coping with both sleep disturbances and anxiety, and thereby reduce their mutual effects. Therefore, the aim of the current study was to examine whether sleep quality and sleep duration, and changes in sleep are associated with the level of and changes in anxiety during pregnancy. Furthermore, the study tested the moderating effect of resilience on these associations. METHODS: At gestational weeks 14, 24, and 34, 532 pregnant women from the FinnBrain Birth Cohort Study in Finland filled out questionnaires on general sleep quality, sleep duration and pregnancy-related anxiety; resilience was assessed in week 14. RESULTS: Parallel process latent growth curve models showed that shorter initial sleep duration predicted a higher initial level of anxiety, and a higher initial anxiety level predicted a faster shortening of sleep duration. Changes in sleep duration and changes in anxiety over the course of pregnancy were not related. The predicted moderating effect of resilience was not found. CONCLUSIONS: The results suggested that pregnant women reporting anxiety problems should also be screened for sleeping problems, and vice versa, because women who experienced one of these pregnancy-related problems were also at risk of experiencing or developing the other problem. PMID- 29221782 TI - Sleep problems in children with autism spectrum disorder and intellectual disability without autism spectrum disorder. AB - OBJECTIVE: The objective of this study was to evaluate the sleep problems and their correlations in children with autism spectrum disorder (ASD), intellectual disability without ASD (ID), and typically developing children (TDC). METHODS: This study included 142 children (48 with ASD, 46 with ID, 48 with TDC) aged between 2 and 18 years old. Parents of the children completed the Childhood Sleep Habits Questionnaire (CSHQ) in order to evaluate sleep disturbances. The sociodemographic and clinical information were noted on a data form for each child. RESULTS: The mean total score of CSHQ was 41.56, 47.89 and 51.78 respectively in TDC, ASD and ID groups. While the total CSHQ score was significantly lower in TDC, there was no significant difference between ID and ASD groups (p = 0.09). It was revealed that children having a neurodevelopmental disorder had a 2.8-fold increased risk of sleep disturbance, history of sleep disorder in the parents had a 3.1-fold increased risk, psychiatric comorbidity in the child had a 3.3-fold increased risk, and co-sleeping with parents had 13.1 fold increased risk. However, in the binary regression analysis, co-sleeping with parents and family history of sleep problems significantly increased the risk of sleep disturbance. CONCLUSION: Sleep disturbances are more frequent in children with ASD and ID than TDC. Co-sleeping with parents and family history of sleep problems increase the risk of sleep disturbances. Thus, behavioral techniques especially focusing on co-sleeping problems and focusing on parents' sleep habits may improve the sleep disturbances in children with ID and ASD. PMID- 29221783 TI - The effect of sleep duration and sleep quality on hypertension in middle-aged and older Chinese: the Dongfeng-Tongji Cohort Study. AB - OBJECTIVE: To examine the independent and combined associations of sleep duration and sleep quality with hypertension in a middle-aged and older Chinese population. METHODS: We included 21,912 individuals aged 62.2 years at baseline from September 2008 to June 2010, and they were followed until October 2013. Sleep duration was self-reported and sleep quality was evaluated with questions designed according to the Pittsburgh Sleep Quality Index. Hypertension was defined as blood pressure >=140/90 mmHg, or self-reported physician diagnosis of hypertension, or self-reported current use of antihypertensive medication. RESULTS: In the cross-sectional analyses, the odds ratio of hypertension prevalence was significantly elevated (OR = 1.13, 95% CI = 1.03-1.24) in those who slept less than 7 h after adjusting for sex, age, body mass index, midday napping, cigarette smoking and sleep quality. It was particularly evident among males (OR = 1.19, 95% CI = 1.01-1.40) and individuals who were thin (OR = 2.00, 95% CI = 1.01-3.93) with full adjustment. The association was also found for sleep duration of 9~<10 h after adjusting various covariates (OR = 1.14, 95% CI = 1.04-1.27). In addition, impaired sleep quality was only associated with hypertension in obese individuals (OR = 1.25, 95% CI = 1.02-1.50), not in other subgroups. However, no significant association was detected in any category of sleep duration or sleep quality in all models in the prospective analyses, and the results remained unchanged in the subgroup analyses of sex, age and body mass index. CONCLUSIONS: The results of this study provide limited support for association of sleep duration and sleep quality with hypertension in middle-aged and older Chinese. Further studies are needed to confirm the results. PMID- 29221784 TI - Assessment of intervention-related changes in non-rapid-eye-movement sleep depth: importance of sleep depth changes within stage 2. AB - OBJECTIVES: Depth of sleep within non-rapid-eye-movement (non-REM) stage-2 (N2 depth) varies from being nearly similar to stage-1 to nearly similar to stage-3. Differences in N2-depth are not captured by conventional indices of sleep depth (N1-N3 times, arousal/awakening index) when comparing sleep depth under different conditions. Magnitude of changes in N2-depth in the same individual under different experimental conditions, and the importance of measuring these changes are unknown. METHODS: We measured sleep depth using the odds-ratio-product (ORP), a continuous index of sleep depth (0 = deep sleep, 2.5 = full wakefulness) (Younes et al. (2015) ORP of sleep EEG as a continuous measure of sleep state. Sleep 38(4):641-54.). ORP in stage 2 (ORPN2) and in all non-REM (ORPNR) were measured, along with conventional indices (1) in the first and second halves of the night in 34 patients with no pathology, and (2) before and on continuous positive airway pressure (CPAP) in 75 patients with obstructive apnea. RESULTS: In most (31/34) 'no pathology' patients, ORPN2 and ORPNR were unchanged (DeltaORP -0.05 to 0.05; N = 15) or higher (0.1-0.63) in the second half. Changes in ORPN2 on CPAP were bidirectional and often large (5-95% confidence interval was -0.62 to 0.25). There was an excellent correlation between DeltaOPRN2 and DeltaORPNR in both groups (r > 0.90) emphasizing the importance of changes in N2-depth, when they occur, to changes in overall sleep depth. Changes in N1 time, N3 time and arousal/awakening index also correlated, but less strongly, with DeltaORPNR (r = 0.76, -0.54, 0.69, respectively). CONCLUSIONS: N2 sleep depth can change dramatically in the same individual under different conditions. Ignoring these changes may result in inaccurate assessment of changes in overall non-REM sleep quality. PMID- 29221785 TI - Attention deficit hyperactivity disorder symptom severity and sleep problems in adult participants of the Netherlands sleep registry. AB - BACKGROUND: We examined whether current overall attention deficit hyperactivity disorder (ADHD), inattention, or hyperactivity symptom severities are associated with the current presence and persistent history of sleep problems. METHODS: N = 942 participants of the Netherlands Sleep Registry filled out online several validated questionnaires. Regression analyses were performed to assess the association between (1) current overall ADHD symptom severity and the current presence of sleep problems, (2) current ADHD symptom-severity groups and the persistent history of sleep problems, and (3) current inattention or hyperactivity symptom severities and the current presence of sleep problems. RESULTS: (1) Current overall ADHD symptom severity was associated with the odds of suffering from probable obstructive sleep apnea syndrome (OSAS), restless legs syndrome (RLS), periodic limb movement disorder (PLMD), insomnia disorder (ID) with predominant difficulties initiating sleep (DIS) and maintaining sleep (DMS), but not with the odds of suffering from narcolepsy or ID with predominant early morning awakening (EMA). Current overall ADHD symptom severity was also associated with an extreme evening chronotype but not with short sleep. (2) The group with the most severe current ADHD symptoms was more likely to have a history of persistent OSAS, RLS, and ID. (3) The severity of symptoms of hyperactivity, but not of inattention, was specifically associated with probable RLS, PLMD, ID with DIS or DMS, and short sleep. Inattention symptom severity was only related to the probability of being an extreme evening chronotype. CONCLUSION: ADHD severity, especially the severity of hyperactivity, is associated with the current presence and persistent history of sleep problems. PMID- 29221786 TI - Access to excluded structures after Roux-en-Y gastric bypass: Experience in a high-level bariatric center without a technical platform for endoscopic retrograde cholangiopancreatography. AB - BACKGROUND: Rapid weight loss after bariatric surgery is associated with a high prevalence of gallstone formation. In laparoscopic Roux-en-Y gastric bypass (RYGBP), the bypassed segment is not readily available for endoscopic or radiographic examination. We propose a laparoscopic Janeway gastrostomy for secondary access to excluded structures in bariatric centers with no mandatory technical equipment in endoscopic retrograde cholangiopancreatography (ERCP), double-balloon ERCP or spiral enteroscopy. METHOD: This was a single-institution retrospective review of a prospectively collected database of patients with a history of laparoscopic RYGBP who underwent laparoscopic Janeway gastrostomy for duodenal and biliary access. The operative indications, technical aspects, endoscopic findings, outcomes, and complications were investigated. RESULTS: Five patients with a history of RYGBP underwent laparoscopic Janeway gastrostomy for exploration of the bypassed segment. All of them had biliary pathology, and all underwent successful ERCP and papillotomy. The gastrostomies were closed secondarily. The mean duration of hospitalization was 12 days. No complications developed. All procedures were performed laparoscopically. CONCLUSION: If access to excluded structures and simultaneous ERCP was not possible, temporary laparoscopic Janeway gastrostomy could be the last option alternative for a staged ERCP to gain access to the bypassed structures. It is a feasible and safe solution for the exploration and treatment of patients with a history of RYGBP in bariatric centers that have no endoscopists with expertise in ERCP. PMID- 29221787 TI - Evaluation of alternative serum biomarkers to monitor the progression of chronic HBV and HCV infection. AB - Chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are among the most serious health conditions affecting about 600 million people worldwide leading to a number of severe liver diseases. Due to the lack of warning signs or mild symptoms during the early stage of the infection, a molecular signature associated with disease progression would be useful. Based on our recent paper where candidate biomarkers were determined through topological and modularity analysis of protein interaction networks (PINs), this study was focused on the evaluation of MIF, TNFRSF1A, FAS and TMSB4X as diagnostic biomarkers in chronic HBV and HCV infections. The aim was to establish a molecular profile, by combining those markers, that would discriminate the different stages during the progression of chronic hepatitis. One hundred and fifteen patients infected with HBV or HCV categorized into three groups: non-cirrhotic, cirrhotic and with HCC, and 20 healthy subjects were enrolled in this study. Serum levels of the aforementioned factors were measured by ELISA. TNFRSF1A serum levels appeared statistically significantly increased in all patient groups compared to control group with a p-value of <0.05. Furthermore, the combination of TNFRSF1A and TMSB4X serum levels successfully classified 63, 47% of patients indicating an association with HBV and HCV infections. Thus, variations of serum levels of TNFRSF1A and TMSB4X could be associated with the different stages of the disease and may be utilized for further research. On the other hand, we found no contribution of MIF and FAS serum levels for successful classification of patients. PMID- 29221788 TI - Differential prevalence of hematuria and proteinuria with socio-demographic factors among school children in Hualien, Taiwan. AB - BACKGROUND: Pediatric hematuria/proteinuria is a risk factor for chronic kidney disease in later life, and school urinary screening can detect asymptomatic glomerulonephritis in the early stage. This study aimed to evaluate the prevalence of hematuria/proteinuria and its association with different socio demographic factors among school children in 2013 in Hualien, Taiwan. METHODS: A cross-sectional study was conducted among first, fourth, and seventh graders. Health examination results and urinalysis data were analyzed. Logistic regression models were used to the simultaneously analyze the association between the prevalence of hematuria/proteinuria and socio-demographic factors. RESULTS: A total of 9544 students were included. The overall prevalence of hematuria and proteinuria was 4.1% and 5.7%, respectively. Students who were females, of a high grade level, of aboriginal ethnicity, and living in rural areas had higher hematuria risk (all P < 0.001) than other students. Underweight students had low odds ratio (0.53) of hematuria (P < 0.001). Seventh-grade students had higher odds ratio (3.63) of proteinuria than first grade students (P < 0.001). Students with both parents of aboriginal descent had lower odds ratio (0.81) of proteinuria than those with non-aboriginal parents (P = 0.044). Only higher grade level students had significantly higher risk of combined hematuria and light proteinuria (odds ratio: 10.67) and heavy proteinuria with/without hematuria (odds ratio: 3.22) than first graders. CONCLUSION: Increased hematuria/proteinuria prevalence was noted in our county as compared to prior studies. Hematuria/proteinuria was significantly associated with gender, grade level, body mass index, ethnicity, and residence urbanization. Our data can be used for future longitudinal dataset collection to prevent pediatric renal disorders in Taiwan. PMID- 29221789 TI - Pretherapy neutrophil to lymphocyte ratio and platelet to lymphocyte ratio do not predict survival in resectable pancreatic cancer. AB - BACKGROUND: Pretherapy serum neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR) have both been identified as prognostic in pancreatic ductal adenocarcinoma (PDAC). The aim of this study was to identify the prognostic implication of pretherapy NLR and PLR in patients with resectable PDAC. METHODS: Data were collected retrospectively on patients operated at our institution between 2004 and 2014. A Cox proportional hazards model was used to investigate the relationship between clinical and pathological parameters, NLR and PLR to overall survival (OS). Survival data were analyzed using the Kaplan Meier method. RESULTS: 217 patients were analyzed with a median overall survival (OS) of 17.5 months. Factors identified as being predictive of OS by univariate analysis included age, receipt of adjuvant therapy, margin positivity, pathologic angiolymphatic invasion, T-stage, and N-stage (P < 0.05). Factors identified as being independently predictive of OS by multivariate analysis included age and angiolymphatic invasion (P < 0.05). NLR and PLR were not predictive of OS. Survival analysis demonstrated no difference in OS in patients who had high or low NLR or PLR. DISCUSSION: Pretherapy NLR and PLR do not predict survival in patients who underwent pancreatectomy for PDAC at our institution. PMID- 29221790 TI - FAM3 gene family: A promising therapeutical target for NAFLD and type 2 diabetes. AB - Non-alcoholic fatty liver disease (NAFLD) and diabetes are severe public health issues worldwide. The Family with sequence similarity 3 (FAM3) gene family consists of four members designated as FAM3A, FAM3B, FAM3C and FAM3D, respectively. Recently, there had been increasing evidence that FAM3A, FAM3B and FAM3C are important regulators of glucose and lipid metabolism. FAM3A expression is reduced in the livers of diabetic rodents and NAFLD patients. Hepatic FAM3A restoration activates ATP-P2 receptor-Akt and AMPK pathways to attenuate steatosis and hyperglycemia in obese diabetic mice. FAM3C expression is also reduced in the liver under diabetic condition. FAM3C is a new hepatokine that activates HSF1-CaM-Akt pathway and represses mTOR-SREBP1-FAS pathway to suppress hepatic gluconeogenesis and lipogenesis. In contrast, hepatic expression of FAM3B, also called PANDER, is increased under obese state. FAM3B promotes hepatic lipogenesis and gluconeogenesis by repressing Akt and AMPK activities, and activating lipogenic pathway. Under obese state, the imbalance among hepatic FAM3A, FAM3B and FAM3C signaling networks plays important roles in the pathogenesis of NAFLD and type 2 diabetes. This review briefly discussed the latest research progress on the roles and mechanisms of FAM3A, FAM3B and FAM3C in the regulation of hepatic glucose and lipid metabolism. PMID- 29221792 TI - The serotonin hallucinogen 5-MeO-DMT alters cortico-thalamic activity in freely moving mice: Regionally-selective involvement of 5-HT1A and 5-HT2A receptors. AB - 5-MeO-DMT is a natural hallucinogen acting as serotonin 5-HT1A/5-HT2A receptor agonist. Its ability to evoke hallucinations could be used to study the neurobiology of psychotic symptoms and to identify new treatment targets. Moreover, recent studies revealed the therapeutic potential of serotonin hallucinogens in treating mood and anxiety disorders. Our previous results in anesthetized animals show that 5-MeO-DMT alters cortical activity via 5-HT1A and 5-HT2A receptors. Here, we examined 5-MeO-DMT effects on oscillatory activity in prefrontal (PFC) and visual (V1) cortices, and in mediodorsal thalamus (MD) of freely-moving wild-type (WT) and 5-HT2A-R knockout (KO2A) mice. We performed local field potential multi-recordings evaluating the power at different frequency bands and coherence between areas. We also examined the prevention of 5 MeO-DMT effects by the 5-HT1A-R antagonist WAY-100635. 5-MeO-DMT affected oscillatory activity more in cortical than in thalamic areas. More marked effects were observed in delta power in V1 of KO2A mice. 5-MeO-DMT increased beta band coherence between all examined areas. In KO2A mice, WAY100635 prevented most of 5 MeO-DMT effects on oscillatory activity. The present results indicate that hallucinatory activity of 5-MeO-DMT is likely mediated by simultaneous alteration of prefrontal and visual activities. The prevention of these effects by WAY 100635 in KO2A mice supports the potential usefulness of 5-HT1A receptor antagonists to treat visual hallucinations. 5-MeO-DMT effects on PFC theta activity and cortico-thalamic coherence may be related to its antidepressant activity. This article is part of the Special Issue entitled 'Psychedelics: New Doors, Altered Perceptions'. PMID- 29221791 TI - Online effects of transcranial direct current stimulation on prefrontal metabolites in gambling disorder. AB - Gambling disorder is characterized by persistent maladaptive gambling behaviors and is now considered among substance-related and addictive disorders. There is still unmet therapeutic need for these clinical populations, however recent advances indicate that interventions targeting the Glutamatergic/GABAergic system hold promise in reducing symptoms in substance-related and addictive disorders, including gambling disorder. There is some data indicating that transcranial direct current stimulation may hold clinical benefits in substance use disorders and modulate levels of brain metabolites including glutamate and GABA. The goal of the present work was to test whether this non-invasive neurostimulation method modulates key metabolites in gambling disorder. We conducted a sham-controlled, crossover, randomized study, blinded at two levels in order to characterize the effects of transcranial direct current stimulation over the dorsolateral prefrontal cortex on neural metabolites levels in sixteen patients with gambling disorder. Metabolite levels were measured with magnetic resonance spectroscopy from the right dorsolateral prefrontal cortex and the right striatum during active and sham stimulation. Active as compared to sham stimulation elevated prefrontal GABA levels. There were no significant changes between stimulation conditions in prefrontal glutamate + glutamine and N-acetyl Aspartate, or in striatal metabolite levels. Results also indicated positive correlations between metabolite levels during active, but not sham, stimulation and levels of risk taking, impulsivity and craving. Our findings suggest that transcranial direct current stimulation can modulate GABA levels in patients with gambling disorder which may represent an interesting future therapeutic avenue. PMID- 29221793 TI - Pannexin-1 channel dysfunction in the medial prefrontal cortex mediates depressive-like behaviors induced by chronic social defeat stress and administration of mefloquine in mice. AB - Mefloquine (MFQ) is widely used for the treatment of malaria clinically. Apart from antimalarial effect, psychiatric side effects such as depression and anxiety of MFQ have been reported. Interestingly, MFQ is also known as a broad-spectrum pannexin-1 (Panx1) inhibitor. Panx1 is a new gap junction channel in the brain which mediates efflux of adenosine triphosphate (ATP). Although exogenous ATP has been known to produce a potential antidepressant-like effect, little is known about the role of Panx1 in pathophysiology of depression, especially the depression induced by administration of MFQ. Here, we used the chronic social defeat stress (CSDS) model and found a decrease in the expression and function of Panx1 in the medial prefrontal cortex (mPFC) of susceptible mice. Furthermore, pharmacological blockade of Panx1 in the mPFC with carbenoxolone (CBX) (100 mM) or 10Panx (100 MUM) was sufficient to induce depressive-like behaviors and increase vulnerability to stress in mice, which were prevented by preconditioning with ATP (25 MUM). Finally, systemic and intral-mPFC injection of MFQ both inhibited the activity of Panx1 and induced depressive-like and anxiety behaviors in mice with sub-threshold social defeat stress. Indeed, the behavioral abnormalities induced by MFQ were prevented by preconditioning with ATP in the mPFC. In conclusion, our study demonstrates a role of the Panx1 channel in chronic stress and MFQ-induced depressive-like and anxiety behaviors, which may provide a novel molecular mechanism for psychiatric side effects of MFQ. PMID- 29221795 TI - Comparison of Local Anesthetic Efficiency of Tramadol Hydrochloride and Lidocaine Hydrochloride. AB - PURPOSE: This study investigated the local anesthetic efficiency of tramadol versus lidocaine hydrochloride in maxillary infiltration anesthesia. MATERIALS AND METHODS: This study was a randomized double-blinded study involving 50 healthy volunteers. In the experimental part of this study, each volunteer received a buccal 0.5-mL injection of tramadol hydrochloride 25 mg on one side and a buccal 0.5-mL injection of vasoconstrictor-free lidocaine hydrochloride 20 mg on the other side. No other treatment was performed. After the injections, total duration of anesthesia, start and finish times of anesthesia, soft tissue (sensory) innervation, depth of anesthetic, possible side effects, and satisfaction levels were recorded from all volunteers. RESULTS: There was no relevant difference between solutions for total anesthesia duration and peak values. However, statistically, the effect of lidocaine started and ended early. The efficacy of tramadol was markedly more effective in the gingiva and skin, especially at 15 and 20 minutes, compared with lidocaine. Both anesthetic agents were well tolerated by the volunteers. CONCLUSION: Tramadol hydrochloride can be a good alternative to local anesthetic agents and beneficial to support anesthesia during long operations. PMID- 29221794 TI - GLP-1 action in the mouse bed nucleus of the stria terminalis. AB - Glucagon-like peptide-1 (GLP-1) injected into the brain reduces food intake. Similarly, activation of preproglucagon (PPG) cells in the hindbrain which synthesize GLP-1, reduces food intake. However, it is far from clear whether this happens because of satiety, nausea, reduced reward, or even stress. Here we explore the role of the bed nucleus of the stria terminalis (BNST), an area involved in feeding control as well as stress responses, in GLP-1 responses. Using cre-expressing mice we visualized projections of NTS PPG neurons and GLP-1R expressing BNST cells with AAV-driven Channelrhodopsin-YFP expression. The BNST displayed many varicose YFP+ PPG axons in the ventral and less in the dorsal regions. Mice which express RFP in GLP-1R neurons had RFP+ cells throughout the BNST with the highest density in the dorsal part, suggesting that PPG neuron derived GLP-1 acts in the BNST. Indeed, injection of GLP-1 into the BNST reduced chow intake during the dark phase, whereas injection of the GLP-1 receptor antagonist Ex9 increased feeding. BNST-specific GLP-1-induced food suppression was less effective in mice on high fat (HF, 60%) diet, and Ex9 had no effect. Restraint stress-induced hypophagia was attenuated by BNST Ex9 treatment, further supporting a role for endogenous brain GLP-1. Finally, whole-cell patch clamp recordings of RFP+ BNST neurons demonstrated that GLP-1 elicited either a depolarizing or hyperpolarizing reversible response that was of opposite polarity to that under dopamine. Our data support a physiological role for BNST GLP-1R in feeding, and suggest complex cellular responses to GLP-1 in this nucleus. PMID- 29221796 TI - Synthesis and antibacterial activity of new peptides from Alfalfa RuBisCO protein hydrolysates and mode of action via a membrane damage mechanism against Listeria innocua. AB - In this work we evaluated the mode of action of six new synthesized peptides (Met Asp-Asn; Glu-leu-Ala-Ala-Ala-Cys; Leu-Arg-Asp-Asp-Phe; Gly-Asn-Ala-Pro-Gly-Ala Val-Ala; Ala-Leu-Arg-Met-Ser-Gly and Arg-Asp-Arg-Phe-Leu), previously identified, from the most active peptide fractions of RuBisCO peptic hydrolysate against Listeria innocua via a membrane damage mechanism. Antibacterial effect and the minimum inhibitory concentrations (MIC) of these peptides were evaluated against six strains and their hemolytic activities towards bovine erythrocytes were determined. Prediction of the secondary structure of peptides indicated that these new antibacterial peptides are characterized by a short peptide chains (3-8 amino acid) and a random coli structure. Moreover, it was observed that one key characteristic of antibacterial peptides is the presence of specific amino acids such as cysteine, glycine, arginine and aspartic acid. In addition the determination of the extracellular potassium concentration revealed that treatment with pure RuBisCO peptides could cause morphological changes of L. innocua and destruction of the cell integrity via irreversible membrane damage. The results could provide information for investigating the antibacterial model of antibacterial peptides derived from RuBisCO protein hydrolysates. PMID- 29221797 TI - Evaluation of dose dependent antimicrobial activity of self-assembled chitosan, nano silver and chitosan-nano silver composite against several pathogens. AB - The aim of this investigation to preparation of silver nanoparticles organized chitosan nano polymer, which effective against microbial and pathogens, when apply to liquid medium and edible food products surface, will rescue the growth of microbes. Self-assembly approach used to synthesis of silver nanoparticles and silver nanoparticles organized chitosan nano polymer. Silver nanoparticles and silver nanoparticles organized chitosan nano polymer and film characterized using Ultra-violate visible spectrometer (UV-vis), X-ray diffraction (X-ray), and Scanning electronic microscope (SEM). The crystalline structured protein capped nano silver successfully synthesized at range of 12 nm-29 nm and organized into chitosan nano polymer. Antimicrobial ingredient in liquid medium and food product surface provide to rescue oxidative change and growth of microorganism to provide higher safety. The silver nanoparticles organized chitosan nano polymer caused the death of microorganism. The materials in nano scale synthesized successfully using self-assembly method, which showed good antimicrobial properties. PMID- 29221799 TI - Editorial Comment. PMID- 29221798 TI - Association of heterozygous CCR5Delta32 deletion with survival in HIV-infection: A cohort study. AB - The role of a 32 base pair deletion in the CCR5 gene (CCR5Delta32) in HIV-disease progression and response to combined antiretroviral therapy (cART) is well established. However, the impact of CCR5Delta32 in the long-term survival pre cART and after cART introduction in a large cohort of HIV-infected patients is unknown. We analyzed the association of CCR5Delta32 deletion in the long-term survival of HIV-infected patients recruited between June 1981 and October 2016 (n = 1006). Clinical and epidemiological variables were recorded and CCR5Delta32 deletion was assessed by PCR and electrophoretic analysis. The association of CCR5Delta32 deletion with the time to death was analyzed by Log-Rank tests and Cox Regression models. The CCR5 WT/Delta32 prevalence was 13.4% (n = 135). We did not find any homozygous subject for CCR5Delta32 deletion. AIDS (n = 85, 41.5%) and non-AIDS (n = 87, 42.4%) events were the main causes of 205 deaths. CCR5Delta32 deletion was independently associated with survival (p = 0.022; hazard ratio (HR): 0.572, confidence interval (CI) [0.354-0.923]), after adjusting by HIV diagnosis before 1997, age at diagnosis, being on cART, risk of transmission, nadir CD4+ T-cell counts and CDC stage C. This result was reproduced when the analysis was restricted to patients on cART (p = 0.045; HR: 0.530 [0.286-0.985]). These results confirm the protective role of CCR5Delta32, and extend it to the long-term survival in a large cohort of HIV-infected patients. Beyond its antiviral effect, CCR5Delta32 enhanced the long-term survival of patients on cART. PMID- 29221800 TI - Gut Microbiome and Antibiotics. AB - Despite that the human gastrointestinal tract is the most populated ecological niche by bacteria in the human body, much is still unknown about its characteristics. This site is highly susceptible to the effects of many external factors that may affect in the quality and the quantity of the microbiome. Specific factors such as diet, personal hygiene, pharmacological drugs and the use of antibiotics can produce a significant impact on the gut microbiota. The effect of these factors is more relevant early in life, when the gut microbiota has not yet fully established. In this review, we discussed the effect of type and doses of the antibiotics on the gut microbiota and what the major consequences in the use and abuse of these antimicrobial agents. PMID- 29221801 TI - Donor Polymorphisms of Toll-like Receptor 4 rs1927914 Associated with the Risk of Hepatocellular Carcinoma Recurrence Following Liver Transplantation. AB - BACKGROUND: Hepatocellular carcinoma (HCC) recurrence after liver transplantation (LT) severely restricts the long-term survival of patients. Toll-like receptor 4 (TLR4) has been considered to be involved in hepatocarcinogenesis and metastasis. Additionally, there is a study demonstrating the significant association between TLR4 gene rs1927914 polymorphism and HCC, but no study investigated the association of the TLR4 rs1927914 polymorphism with the risk of HCC recurrence following LT. AIM: The purpose of this study was to assess the potential association between the TLR4 gene rs1927914 polymorphism of donors and recipients and hepatocellular carcinoma recurrence after LT. METHODS: Eighty-three patients with HCC undergoing LT from July 2006-June 2015 were identified for this analysis. We genotyped a single-nucleotide polymorphism (rs1927914) in both donors and recipients and evaluated the association between the polymorphism and risk of tumor recurrence. RESULTS: The donor TLR4 rs1927914 polymorphism was found to be significantly associated with HCC recurrence following LT. In multivariate logistic regression analysis, Milan criteria, microvascular invasion and donor TLR4 rs1927914 genotype were confirmed to be independent risk factors for HCC recurrence. Kaplan-Meier survival curves showed that patients carrying donors homozygous TT had a significantly lower recurrence-free survival and overall survival than CC/CT patients. Cox proportional hazards modeling indicated that TNM stage or Milan criteria, microvascular invasion, and donor TLR4 rs1927914 genotype were independent factors for the clinical outcomes of LT patients. CONCLUSIONS: Donor TLR4 rs1927914 polymorphism is associated with an increased risk of HCC recurrence following LT and has a potential clinical value for the prediction of HCC recurrence after LT. PMID- 29221802 TI - Inflammation in the Prediction of Type 2 Diabetes and Hypertension in Healthy Adults. AB - BACKGROUND: While inflammation is associated with obesity and insulin resistance, their inter-relationships in the development of type 2 diabetes or hypertension are not clear. AIM OF THE STUDY: To evaluate inflammatory markers in prediction of type 2 diabetes and hypertension. METHODS: The study population of this retrospective cohort study consisted of individuals who participated in a comprehensive health screening program with measurement of white blood cell count and C-reactive protein from 2002-2010 (N = 96,606) in nondiabetic and normotensive Koreans. Median follow up time were 3.7 years for incident type 2 diabetes and 3.3 years for hypertension. Multivariate Cox proportional hazards models were performed to assess risk for type 2 diabetes or hypertension by white blood cell or C-reactive protein quartiles with adjustment of various possible confounding factors including insulin resistance. RESULTS: During the follow-up period, 1448 (1.5%) developed type 2 diabetes and 10,405 (10.8%) developed hypertension. Among men, comparison of adjusted hazard ratios (HR) for incident type 2 diabetes in the highest versus lowest white blood cell or C-reactive protein quartiles were 1.48 [95% confidence interval (CI), 1.20-1.83] and 1.30 (95% CI, 1.07-1.57), respectively. Among women, white blood cell but not C reactive protein was significantly associated with type 2 diabetes [HR 1.79 (95% CI 1.24-2.57)]. White blood cell and C-reactive protein quartiles were also modestly associated with incident hypertension in both sexes. CONCLUSIONS: Although white blood cell and C-reactive protein are associated with adiposity and insulin resistance, these inflammatory markers also independently predict type 2 diabetes and/or hypertension. PMID- 29221803 TI - Optimizing Non-Pharmacologic Management of Hypertriglyceridemia. AB - The cornerstone of initial management for hypertriglyceridemia (HTG) is lifestyle modification. The combination of weight loss through caloric restriction, alteration in macronutrient composition and increased energy expenditure reduces TG levels by approximately 50%. The addition of cinnamon, cacao products and isocaloric substitution of 1 serving of nuts may contribute another 5-15% lowering of TG. This can be particularly beneficial in patients with HTG who are at increased risk of cardiovascular disease. PMID- 29221804 TI - The Impact of the CD9 Tetraspanin on Lentivirus Infectivity and Exosome Secretion. AB - Efficient transduction tools are a hallmark for both research and therapy development. Here, we introduce new insights into the generation of lentiviral vectors with improved performance by utilizing producer cells with increased production rates of extracellular vesicles through CD9 overexpression. Most human cells secrete small vesicles from their surface (microvesicles) or intraluminal endosome-derived membranes (exosomes). In particular, enhanced levels of the tetraspanin CD9 result in significantly increased numbers of extracellular vesicles with exosome-like features that were secreted from four different human cell lines. Intriguingly, exosomes and their biogenesis route display similarities to lentivirus and we examined the impact of CD9 expression on release and infectivity of recombinant lentiviral vectors. Although the titers of released viral particles were not increased upon production in high CD9 cells, we observed improved performance in terms of both speed and efficiency of lentiviral gene delivery into numerous human cell lines, including HEK293, HeLa, SH-SY5Y, as well as B and T lymphocytes. Here, we demonstrate that enhanced CD9 enables lentiviral transduction in the absence of any pseudotyping viral glycoprotein or fusogenic molecule. Our findings indicate an important role of CD9 for lentiviral vector and exosome biogenesis and point out a remarkable function of this tetraspanin in membrane fusion, viral infectivity, and exosome-mediated horizontal information transfer. PMID- 29221806 TI - Characterization of Gene Alterations following Editing of the beta-Globin Gene Locus in Hematopoietic Stem/Progenitor Cells. AB - The use of engineered nucleases combined with a homologous DNA donor template can result in targeted gene correction of the sickle cell disease mutation in hematopoietic stem and progenitor cells. However, because of the high homology between the adjacent human beta- and delta-globin genes, off-target cleavage is observed at delta-globin when using some endonucleases targeted to the sickle mutation in beta-globin. Introduction of multiple double-stranded breaks by endonucleases has the potential to induce intergenic alterations. Using a novel droplet digital PCR assay and high-throughput sequencing, we characterized the frequency of rearrangements between the beta- and delta-globin paralogs when delivering these nucleases. Pooled CD34+ cells and colony-forming units from sickle bone marrow were treated with nuclease only or including a donor template and then analyzed for potential gene rearrangements. It was observed that, in pooled CD34+ cells and colony-forming units, the intergenic beta-delta-globin deletion was the most frequent rearrangement, followed by inversion of the intergenic fragment, with the inter-chromosomal translocation as the least frequent. No rearrangements were observed when endonuclease activity was restricted to on-target beta-globin cleavage. These findings demonstrate the need to develop site-specific endonucleases with high specificity to avoid unwanted gene alterations. PMID- 29221807 TI - Ex Vivo Selection of Transduced Hematopoietic Stem Cells for Gene Therapy of beta Hemoglobinopathies. AB - Although gene transfer to hematopoietic stem cells (HSCs) has shown therapeutic efficacy in recent trials for several individuals with inherited disorders, transduction incompleteness of the HSC population remains a hurdle to yield a cure for all patients with reasonably low integrated vector numbers. In previous attempts at HSC selection, massive loss of transduced HSCs, contamination with non-transduced cells, or lack of applicability to large cell populations has rendered the procedures out of reach for human applications. Here, we fused codon optimized puromycin N-acetyltransferase to herpes simplex virus thymidine kinase. When expressed from a ubiquitous promoter within a complex lentiviral vector comprising the betaAT87Q-globin gene, viral titers and therapeutic gene expression were maintained at effective levels. Complete selection and preservation of transduced HSCs were achieved after brief exposure to puromycin in the presence of MDR1 blocking agents, suggesting the procedure's suitability for human clinical applications while affording the additional safety of conditional suicide. PMID- 29221805 TI - Skeletal Muscle Regenerative Potential of Human MuStem Cells following Transplantation into Injured Mice Muscle. AB - After intra-arterial delivery in the dystrophic dog, allogeneic muscle-derived stem cells, termed MuStem cells, contribute to long-term stabilization of the clinical status and preservation of the muscle regenerative process. However, it remains unknown whether the human counterpart could be identified, considering recent demonstrations of divergent features between species for several somatic stem cells. Here, we report that MuStem cells reside in human skeletal muscle and display a long-term ability to proliferate, allowing generation of a clinically relevant amount of cells. Cultured human MuStem (hMuStem) cells do not express hematopoietic, endothelial, or myo-endothelial cell markers and reproducibly correspond to a population of early myogenic-committed progenitors with a perivascular/mesenchymal phenotypic signature, revealing a blood vessel wall origin. Importantly, they exhibit both myogenesis in vitro and skeletal muscle regeneration after intramuscular delivery into immunodeficient host mice. Together, our findings provide new insights supporting the notion that hMuStem cells could represent an interesting therapeutic candidate for dystrophic patients. PMID- 29221808 TI - A cannabinoid receptor antagonist attenuates ghrelin-induced activation of the mesolimbic dopamine system in mice. AB - Ghrelin has been attributed various physiological processes including food intake and reward regulation, through activation of the mesolimbic dopamine system. Reward modulation involves the mesolimbic dopamine system, consisting of the ventral tegmental area (VTA) dopamine neurons targeting nucleus accumbens (NAc), a system that ghrelin activates through VTA-dependent mechanisms. In the first study, we found that systemic intraperitoneal (ip) administration of rimonabant attenuated intracerebroventricular (icv) ghrelin's ability to cause locomotor stimulation and NAc dopamine release in mice. Ghrelin-induced (icv) chow intake was not altered by rimonabant administration (ip). Finally, we showed that bilateral VTA administration of rimonabant blocks the ability of intra-VTA administered ghrelin to increase locomotor activity, but does not affect food intake in mice. Collectively, these data indicate clear dissociation between regulation of food intake and activation of the mesolimbic dopamine system. PMID- 29221809 TI - Acute pain and peripheral sensitization following cautery disbudding in 1- and 4 week-old calves. AB - Acute pain and peripheral sensitization development after cautery disbudding was investigated in 33 calves administered preventive multimodal analgesia. The animals were assigned randomly to three groups: 1) Group SH (Control), undergoing sham disbudding at 1 and 4weeks of age; 2) Group ED (Early Disbudding), undergoing disbudding at 1week of age and sham disbudding at 4weeks of age; 3) Group LD (Late Disbudding), undergoing sham disbudding at 1week of age and disbudding at 4weeks of age. Physiological parameters (heart rate, respiratory rate, rectal temperature, invasive blood pressure, cortisol, beta-endorphin, interleukin-1beta, interleukin-6, tumor necrosis factor-alpha and haptoglobin plasmatic concentration), local variables (tactile sensitivity score, pressure pain thresholds and horn temperature), behavior and pain scores [multidimensional pain scale and visual analogue scale (VAS)] were assessed at baseline and at several pre-determined time points until 24h after disbudding. Tactile sensitivity score significantly and equally increased in both groups ED and LD and pressure pain thresholds significantly decreased in group LD until 24h after disbudding compared to group SH. Pain and VAS scores significantly and equally increased in both groups ED and LD until 24h after disbudding compared to group SH. No significant differences in physiological parameters, behavior and horn temperature were detected among groups. The present study suggests that acute pain and peripheral sensitization develop and do not differ in calves disbudded at 1week and 4weeks of age. Moreover, the use of physiological and behavioral parameters as sole indicators of acute pain might lead to improper conclusions and should be reassessed. PMID- 29221811 TI - Matrix metalloproteinase functions in hepatic injury and fibrosis. AB - Liver fibrosis is the most common final outcome for chronic liver diseases. The complex pathogenesis includes hepatic parenchymal damage as a result of a persistent noxe, activation and recruitment of immune cells, activation of hepatic stellate cells, and the synthesis of fibrotic extracellular matrix (ECM) components leading to scar formation. Clinical studies and animal models demonstrated that fibrosis can be reversible. In this regard matrix metalloproteinases (MMPs) have been focused as therapeutic targets due to their ability to modulate tissue turnover during fibrogenesis as well as regeneration and, of special interest, due to their influence on cellular behavior like proliferation, gene expression, and apoptosis that, in turn, impact fibrosis and regeneration. The current review aims to summarize and update the knowledge about expression pattern and the central roles of MMPs in hepatic fibrosis. PMID- 29221812 TI - Role of immune cells in crystal-induced kidney fibrosis. AB - Chronic kidney diseases can lead to kidney fibrosis, which can be considered a futile attempt of tissue healing to replaces functional kidney tissue with connective tissue, basically forming a scar. Chronic inflammation is a frequent cause of kidney fibrosis. Classical as well as recently discovered immune cell subsets and their molecular mediators have been intensively investigated for their contribution to kidney fibrosis and their potential as therapeutic targets. Here we review the current knowledge about the role of immune cells in crystal induced renal fibrosis. PMID- 29221810 TI - Mitochondrial dysfunction and damage associated molecular patterns (DAMPs) in chronic inflammatory diseases. AB - Inflammation represents a comprehensive host response to external stimuli for the purpose of eliminating the offending agent, minimizing injury to host tissues and fostering repair of damaged tissues back to homeostatic levels. In normal physiologic context, inflammatory response culminates with the resolution of infection and tissue damage response. However, in a pathologic context, persistent or inappropriately regulated inflammation occurs that can lead to chronic inflammatory diseases. Recent scientific advances have integrated the role of innate immune response to be an important arm of the inflammatory process. Accordingly, the dysregulation of innate immunity has been increasingly recognized as a driving force of chronic inflammatory diseases. Mitochondria have recently emerged as organelles which govern fundamental cellular functions including cell proliferation or differentiation, cell death, metabolism and cellular signaling that are important in innate immunity and inflammation mediated diseases. As a natural consequence, mitochondrial dysfunction has been highlighted in a myriad of chronic inflammatory diseases. Moreover, the similarities between mitochondrial and bacterial constituents highlight the intrinsic links in the innate immune mechanisms that control chronic inflammation in diseases where mitochondrial damage associated molecular patterns (DAMPs) have been involved. Here in this review, the role of mitochondria in innate immune responses is discussed and how it pertains to the mitochondrial dysfunction or DAMPs seen in chronic inflammatory diseases is reviewed. PMID- 29221813 TI - Neonatal programming with testosterone propionate reduces dopamine transporter expression in nucleus accumbens and methylphenidate-induced locomotor activity in adult female rats. AB - Research in programming is focused on the study of stimuli that alters sensitive periods in development, such as prenatal and neonatal stages, that can produce long-term deleterious effects. These effects can occur in various organs or tissues such as the brain, affecting brain circuits and related behaviors. Our laboratory has demonstrated that neonatal programming with sex hormones affects the mesocorticolimbic circuitry, increasing the synthesis and release of dopamine (DA) in striatum and nucleus accumbens (NAcc). However, the behavioral response to psychostimulant drugs such as methylphenidate and the possible mechanism(s) involved have not been studied in adult rats exposed to sex hormones during the first hours of life. Thus, the aim of this study was to examine the locomotor activity induced by methylphenidate (5mg/kg i.p.) and the expression of the DA transporter (DAT) in NAcc of adult rats exposed to a single dose of testosterone propionate (TP: 1mg/50MULs.c.) or estradiol valerate (EV: 0.1mg/50MULs.c.) at postnatal day 1. Our results demonstrated that adult female rats treated with TP have a lower methylphenidate-induced locomotor activity compared to control and EV-treated adult female rats. This reduction in locomotor activity is related with a lower NAcc DAT expression. However, neither methylphenidate-induced locomotor activity nor NAcc DAT expression was affected in EV or TP-treated adult male rats. Our results suggest that early exposure to sex hormones affects long term dopaminergic brain areas involved in the response to psychostimulants, which could be a vulnerability factor to favor the escalating doses of drugs of abuse. PMID- 29221814 TI - Use of interventional radiology as initial hemorrhage control to improve outcomes for potentially lethal multiple blunt injuries. AB - INTRODUCTION: Recently, trauma management has been markedly improved with interventional radiology (IVR) and damage-control strategies. However, the indications for its use in hemodynamically unstable patients with severe trauma remains unclear. In some cases, IVR may be more effective than surgery for damage control hemostasis; however, performing IVR in life-threatening trauma settings is challenging. To address this, we practiced and evaluated a trauma-management system with emergency physicians who trained for both severe trauma management, and techniques of surgery and IVR. MATERIALS AND METHODS: Among the 1822 patients with severe trauma admitted between October 2014 and December 2016, 201 underwent emergency surgery or IVR. Among these, 16 patients whose systolic blood pressure was <=90 mmHg, without improvement following primary resuscitation, and whose first intervention was IVR, were analyzed. We retrospectively evaluated the admission characteristics, IVR-related characteristics, and prognoses, and compared several parameters before and after IVR. RESULTS: This study included 10 men and 6 women (median age: 46 years). IVR was performed for 10 pelvic fractures; five liver-, one splenic-, and one renal injury; and one transection each of the external carotid-, vertebral-, axillosubclavian-, intercostal-, and lumbar arteries. The mean times from the patient arrival, and diagnosis to the start of IVR were 56.3 +/- 26.6 and 15.1 +/- 3.8 min, respectively. The mean time spent in the angiography suite was 50 min. The systolic blood pressure, pulse rate, base excess/deficit, serum-lactate levels, and D-dimer values were significantly improved after IVR. Although two patients needed additional treatment for morbidities following IVR intervention, all achieved complete recovery. The mortality rate was 25.0%, and no preventable deaths were noted. Eight patients showed unexpected survival. CONCLUSIONS: In some cases, IVR may be the best first measure for resuscitative hemostasis in potentially lethal multiple injuries, given efficient diagnoses/actions and the ability to deal with complications. PMID- 29221816 TI - Reply. PMID- 29221815 TI - Corneal confocal microscopy as a non-invasive test to assess diabetic peripheral neuropathy. AB - OBJECTIVE: To evaluate the efficacy of corneal confocal microscopy (CCM) as a non invasive test to assess diabetic peripheral neuropathy in Chinese patients diagnosed with type 2 diabetes. RESEARCH DESIGN AND METHODS: Diabetic distal symmetric polyneuropathy (DSPN) and its severity degrees were assessed based on the modified Toronto diagnostic criteria in 128 patients with type 2 diabetes (No DSPN [n = 49], mild DSPN [n = 43], moderate-to-severe DSPN [n = 36]) and 24 age matched controls. CCM was also examined in all enrolled subjects. Corneal nerve fiber length (CNFL), corneal nerve branch density (CNBD) and corneal nerve fiber density (CNFD) were analyzed by Fiji imaging analysis software. The efficacy of CCM as a non-invasive test to assess diabetic peripheral neuropathy was determined. RESULTS: CNFL was 17.99 +/- 0.66, 15.82 +/- 0.64, 14.98 +/- 0.63, and 12.49 +/- 0.93 in healthy controls, T2DM patients with no, mild, and moderate-to severe DPN, respectively. CNFL in type 2 diabetes patients with no, mild, and moderate-to-severe DSPN demonstrated a significant reduction than in healthy controls (P = .012, .003 and <.001, respectively). CNFL in patients with moderate to-severe DSPN was significantly shorter than in patients with no or mild DSPN (P < .001 and .004, respectively). CNBD was 41.48 +/- 3.35, 33.02 +/- 2.50, 30.91 +/ 2.33, and 18.00 +/- 2.33 in healthy controls, T2DM patients with no, mild, and moderate-to-severe DPN, respectively. CNBD in healthy control was significantly higher than in type 2 diabetes patients with no, mild, and moderate-to-severe DSPN (P = .036, 0.016 and < .001, respectively). CNBD in patients with moderate to-severe DSPN was significantly lower than in patients with no or mild DSPN (P < .001 for both). CNFD was 35.32 +/- 1.18, 35.68 +/- 1.10, 34.54 +/- 1.12, and 32.28 +/- 1.76 in healthy controls, T2DM patients with no, mild, and moderate-to severe DPN, respectively. CNFD did not differ among the four groups. In an analysis that divided CNFL, CNFD and CNBD into quartiles, there were no significant differences in electromyography findings and vibration perception threshold among the 4 groups; however, significant differences were seen in the positive distribution of temperature perception measurements following CNFL and CNBD stratification (P = .001 and < .001, respectively). CONCLUSION: CCM might be a non-invasive method for detecting DSPN and its severity degree in Chinese patients diagnosed with type 2 diabetes. PMID- 29221817 TI - Polyunsaturated fatty acids in plasma at 8 years and subsequent allergic disease. AB - BACKGROUND: Polyunsaturated fatty acids (PUFAs) are hypothesized to modulate the risk of allergic disease. However, evidence from previous studies is inconclusive, and limited longitudinal data exist using circulating biomarkers of PUFA intake and metabolism. OBJECTIVE: We aimed to investigate associations between n-3 and n-6 PUFAs at age 8 years and asthma, rhinitis, and aeroallergen sensitization at age 16 years. METHODS: Proportions of n-3 PUFAs (very long-chain n-3 [VLC n-3; sum of eicosapentaenoic acid, docosapentaenoic acid, and docosahexaenoic acid] and alpha-linolenic acid) and n-6 PUFAs (linoleic acid and arachidonic acid [AA]) in blood samples at age 8 years were measured for 940 children from the prospective Swedish birth cohort BAMSE (Children, Allergy, Milieu, Stockholm, Epidemiology). Allergic disease phenotypes were defined by using questionnaires and IgE measures at the ages of 8 and 16 years. Logistic regression was used to examine potential associations. RESULTS: A higher proportion of total VLC n-3 PUFAs in plasma at age 8 years was associated with a reduced risk of prevalent asthma, rhinitis, and aeroallergen sensitization at age 16 years and with incidence of asthma between 8 and 16 years (adjusted odds ratio, 0.67; 95% CI, 0.47-0.94). AA was associated with a reduced risk of asthma, aeroallergen sensitization, and allergic rhinitis. The findings were most evident for allergic phenotypes of asthma and rhinitis. Additionally, AA was associated with an increased probability of asthma and rhinitis remission between 8 and 16 years of age. CONCLUSION: Higher proportions of certain VLC n-3 and very long chain n-6 PUFAs in plasma phospholipids at age 8 years were associated with a reduced risk of allergic disease at age 16 years. PMID- 29221818 TI - Chronic obstructive pulmonary disease exacerbation frequency and serum IgG levels. PMID- 29221819 TI - Cerebellar alterations in a model of Down syndrome: The role of the Dyrk1A gene. AB - Down syndrome (DS) is characterized by a marked reduction in the size of the brain and cerebellum. These changes play an important role in the motor alterations and cognitive disabilities observed in this condition. The Ts65Dn (TS) mouse, the most commonly used model of DS, reflects many DS phenotypes, including alterations in cerebellar morphology. One of the genes that is overexpressed in both individuals with DS and TS mice is DYRK1A/Dyrk1A (dual specificity tyrosine-(Y)-phosphorylation regulated kinase 1A), which has been implicated in the altered cerebellar structural and functional phenotypes observed in both populations. The aim of this study was to evaluate the effect of Dyrk1A on different alterations observed in the cerebellum of TS animals. TS mice were crossed with Dyrk1A +/- KO mice to obtain mice with a triplicate segment of Mmu16 that included Dyrk1A (TS +/+/+), mice with triplicate copies of the same genes that carried only two copies of Dyrk1A (TS +/+/-), euploid mice that expressed a normal dose of Dyrk1A (CO +/+) and CO animals with a single copy of Dyrk1A (CO +/-). Male mice were used for all experiments. The normalization of the Dyrk1A gene dosage did not rescue the reduced cerebellar volume. However, it increased the size of the granular and molecular layers, the densities of granular and Purkinje cells, and dendritic arborization. Furthermore, it improved the excitatory/inhibitory balance and walking pattern of TS +/+/- mice. These results support the hypothesis that Dyrk1A is involved in some of the structural and functional cerebellar phenotypes observed in the TS mouse model. PMID- 29221820 TI - Early Response to Intravitreal Dexamethasone Implant Therapy in Diabetic Macular Edema May Predict Visual Outcome. PMID- 29221821 TI - Reply. PMID- 29221822 TI - Impacts of Implantable Collamer Lens V4c Placement on Angle Measurements Made by Optical Coherence Tomography: Two-Year Follow-up. PMID- 29221823 TI - Repeatability and Agreement of Orbscan II, Pentacam HR, and Galilei Tomography Systems in Corneas With Keratoconus. PMID- 29221824 TI - Early Trabeculotomy Ab Externo in the Treatment of Sturge-Weber Syndrome. PMID- 29221825 TI - Tuberculosis and immigration. AB - Tuberculosis continues to be a major public health problem in Spain. The incidence of tuberculosis in the native population has declined steadily in recent years. Migration flows have changed drastically since the beginning of the 21st century, with Spain becoming a recipient country for immigrants. Because most of the immigrants comes from countries with high incidence of tuberculosis, the contribution of the migrant population to new cases of tuberculosis is higher in relative terms than its weight in the total population. Tuberculosis programs must address the cultural, economic and medical aspects of the disease, and particularly target groups at risk, including the migrant population. In this paper, we will review the epidemiology and dynamics of tuberculosis in the migrant population, their differentiating clinical characteristics and the programmatic actions to address the problem. PMID- 29221826 TI - Trends of invasive pneumococcal disease and its serotypes in the Autonomous Community of Madrid. AB - INTRODUCTION: Streptococcus pneumoniae is an important cause of morbidity. Vaccination is the most effective measure to prevent it. The aim of this study is to analyse the evolution of invasive pneumococcal disease (IPD). MATERIAL AND METHODS: Observational study of IPD cases notified to the Epidemiological Surveillance Network of the Autonomous Community of Madrid between 2008 and 2015. The IPD case was defined as the disease caused by Streptococcus pneumoniae, with isolation and DNA or antigen detection, in samples from normally sterile sites. The isolated strains were sent to the Regional Public Health Laboratory for identification of the serotype. Serotypes were classified according to their inclusion in the 7-valent conjugate vaccine (PCV7), in the 13-valent vaccine, but not in the 7-valent vaccine (PCV13-additional) and not included in the 13-valent vaccine (non-PCV). The Incidence Rate Ratios (IRRs) were calculated comparing the 2011-2012 and 2013-2015 periods with the 2008-2010 period. RESULTS: 4,307 cases were reported. 86.6% were serotyped. The IRR of IPD was 0.67 and 0.67 for all serotypes; 0.43 and 0.45 for PCV7 serotypes; 0.46 and 0.25 for PCV13-additional serotypes, and 1.01 and 1.32 for non-PCV13 serotypes in the 2011-2012 and 2013 2015 periods. The incidence of serotypes 8, 9N, 10A, 23B, 24F and serogroup 33 increased significantly in the 2013-2015 period. Serotypes 15B and 24F accounted for 24% of non-PCV13 cases in children under 5years, serotypes 8 and 9N for 51% in the population aged 5 to 59years and serotypes 8 and 22F for 25% in the population aged over 59years. CONCLUSIONS: The incidence of serotypes not included in conjugate vaccines has increased, especially in children under 5years, but the total incidence of IPD has decreased. It is important to continue with the epidemiological and microbiological surveillance programmes to assess the effect of vaccination on the incidence of IPD. PMID- 29221827 TI - Prevalence of COPD in 6 Urban Clusters in Argentina: The EPOC.AR Study. AB - INTRODUCTION: The prevalence of chronic obstructive pulmonary disease (COPD) has not been studied in Argentina. OBJECTIVES: To determine the prevalence and relevant clinical characteristics of COPD in a representative sample. MATERIAL AND METHODS: We performed a cross-sectional study in a population of adults aged >= 40 years randomly selected by cluster sampling in 6 urban locations. Subjects answered a structured survey and performed pre- and post-bronchodilator spirometry (PBD). COPD was defined as FEV1/FVC ratio < 0.7 predicted value. The total prevalence was estimated for each cluster with its 95% confidence interval (CI). RESULTS: Of 4,599 surveys and 3,999 spirometries, 3,469 were considered of adequate quality (86.8%) for our study. The prevalence of COPD was 14.5% (CI: 13.4-15.7). The distribution of COPD cases according to FEV1 (GOLD 2017) was stage 1: 38% (CI: 34-43); stage 2: 52% (CI: 47-56); stage 3: 10% (CI: 7-13); and stage 4: 1% (CI: 0-2), and according to the refined ABCD (GOLD 2017) assessment: A: 52% (CI: 47-56); B: 43% (CI: 39-48); C: 1% (CI: 0-2); D: 4% (CI: 2-6). The rate of underdiagnosis was 77.4% (CI 73.7-81.1%) and diagnostic error 60.7% (CI 55.1-66.3%). A significant association was found between COPD and age (OR 3.77 in individuals 50-59 years of age and 19.23 in those > 80 years), male gender (OR 1.62; CI 1.31-2), smoking (OR 1.95; CI 1.49-2.54), low socioeconomic status (OR 1.33; CI 1.02-1.73), and previous tuberculosis (OR 3.3; CI 1.43-7.62). CONCLUSIONS: We estimate that more than 2.3 million Argentineans have COPD, with high rates of underdiagnosis and diagnostic error. PMID- 29221828 TI - Long-Term Acquired Bronchoesophageal Fistula. PMID- 29221829 TI - Constitutive expression of the active fragment of human vasostatin Vs30 in Pichia pastoris SMD1168H. AB - Vasostatin 30 (Vs30) is an active fragment derived from the N-terminal region (135-164 aa) of human calreticulin and has the ability to inhibit angiogenesis. In this work, the expression of Vs30 was performed using a protease-deficient strain of the methylotrophic yeast Pichia pastoris. The vs30 gene was optimized for P. pastoris preferential codon usage and inserted into constitutive expression vector pGAPZalphaA. In addition, a plasmid with four copies of the expression cassette was obtained and transformed into P. pastoris. The flask fermentation conditions were: culture volume of 25 mL in 250 mL baffled flasks at 28 degrees C, pH 6 and harvest time of 48 h. Up to 21.07 mg/L Vs30 were attained and purified by ultrafiltration with a 30-kDa cut-off membrane and the recovery was 49.7%. Bioactivity of Vs30 was confirmed by the inhibition of cell proliferation, as well as the inhibition of the capillary-like structures formation of EA.hy926 cells in vitro. This work constitutes the first report on the expression of Vs30 in Pichia pastoris using a constitutive promoter and multi copy approach such as strategies to improve the recombinant Vs30 expression. PMID- 29221830 TI - Distinguishable memory retrieval networks for collaboratively and non collaboratively learned information. AB - Learning often occurs in communicative and collaborative settings, yet almost all research into the neural basis of memory relies on participants encoding and retrieving information on their own. We investigated whether learning linguistic labels in a collaborative context at least partly relies on cognitively and neurally distinct representations, as compared to learning in an individual context. Healthy human participants learned labels for sets of abstract shapes in three different tasks. They came up with labels with another person in a collaborative communication task (collaborative condition), by themselves (individual condition), or were given pre-determined unrelated labels to learn by themselves (arbitrary condition). Immediately after learning, participants retrieved and produced the labels aloud during a communicative task in the MRI scanner. The fMRI results show that the retrieval of collaboratively generated labels as compared to individually learned labels engages brain regions involved in understanding others (mentalizing or theory of mind) and autobiographical memory, including the medial prefrontal cortex, the right temporoparietal junction and the precuneus. This study is the first to show that collaboration during encoding affects the neural networks involved in retrieval. PMID- 29221831 TI - Processing of implicit versus explicit predictive contextual information in Parkinson's disease. AB - We investigated the effects of implicit versus explicit local contextual processing in Parkinson's disease (PD) using electrophysiological measures. EEG recording blocks consisted of targets preceded by either randomized sequences of standards or by sequences including a predictive sequence signaling the occurrence of a target event. PD patients ("on" medication) and healthy controls performed two sessions: in the first the regularity of the predictive sequence was implicit, while in the second this regularity was made explicit. PD and control subjects showed shorter reaction times for predicted versus random targets across both the implicit and explicit sessions. Healthy controls showed a facilitation of the P3b latency for predicted targets (compared with random targets) in both the implicit and explicit sessions, while PD patients showed no significant P3b latency differences between the two target conditions across both sessions. In healthy controls the P3b amplitude of the last most-informative stimulus of the predictive sequence (n-1) was larger in the explicit compared to the implicit session, while this difference was absent in PD patients. Functional connectivity measures showed that during the explicit and implicit sessions detection of n-1 was associated with higher gamma values and weaker fronto central-parietal connections, in the theta band, in PD compared to controls. The findings suggest that implicit and explicit processing of predictive contextual information is altered in PD patients and that this may be associated with functional connectivity abnormalities within top-down frontal networks. PMID- 29221832 TI - Detecting our own vocal errors: An event-related study of the thresholds for perceiving and compensating for vocal pitch errors. AB - Previous studies suggest that a perception-action dissociation exists for the cortical processing of vocal pitch, because speakers compensate for small vocal errors without awareness. In this event-related potential (ERP) study, participants vocalized while hearing their productions either altered or unaltered in pitch, and reported whether their auditory feedback was altered. Pitch alterations as small as 10 cents resulted in compensatory vocal responses, while participants reported hearing perturbations that were 15 cents and larger. Similarly, P1 ERP responses were elicited by perturbations 15 cents and larger, while N1 responses followed a linear trend with increasing perturbation magnitudes, and P2 responses were elicited by perturbations 30 cents and larger. Although their thresholds differed, both motor and perceptual responses were elicited by small frequency altered feedback (FAF) perturbations. Previous reports of a perception-action dissociation may reflect differences in the magnitude of vocal error required to elicit a motor response, and for an individual to report a pitch change, rather than to detect a pitch change (as reflected by ERP responses). PMID- 29221833 TI - Giving others the option of choice: An fMRI study on low-cost cooperation. AB - Successful social relationships require a consideration of a partner's thoughts and intentions. This aspect of social life is captured in the social mindfulness paradigm (SoMi task), in which participants make decisions that either limit or preserve options for their interaction partner's subsequent choice. Here we investigated the neural correlates of spontaneous socially mindful and unmindful behaviours. Functional magnetic resonance data were acquired from 47 healthy adolescents and young adults (age 16-27) as they completed the SoMi task. Being faced with socially relevant choices was associated with activity in the medial prefrontal cortex, anterior cingulate, caudate, and insula, which is consistent with prior neuroeconomical research. Importantly, socially mindful choices were associated with activity in the right parietal cortex and the caudate, whereas unmindful choices were associated with activity in the left prefrontal cortex. These neural findings were consistent with the behavioural preference for mindful choices, suggesting that socially mindful decisions are the basic inclination, whereas socially unmindful responses may require greater effort and control. Together, these results begin to uncover the neural correlates of socially mindful and unmindful choices, and illuminate the psychological processes involved in cooperative social behaviour. PMID- 29221834 TI - Emotion and sex of facial stimuli modulate conditional automaticity in behavioral and neuronal interference in healthy men. AB - Our surrounding provides a host of sensory input, which we cannot fully process without streamlining and automatic processing. Levels of automaticity differ for different cognitive and affective processes. Situational and contextual interactions between cognitive and affective processes in turn influence the level of automaticity. Automaticity can be measured by interference in Stroop tasks. We applied an emotional version of the Stroop task to investigate how stress as a contextual factor influences the affective valence-dependent level of automaticity. 120 young, healthy men were investigated for behavioral and brain interference following a stress induction or control procedure in a counter balanced cross-over-design. Although Stroop interference was always observed, sex and emotion of the face strongly modulated interference, which was larger for fearful and male faces. These effects suggest higher automaticity when processing happy and also female faces. Supporting behavioral patterns, brain data show lower interference related brain activity in executive control related regions in response to happy and female faces. In the absence of behavioral stress effects, congruent compared to incongruent trials (reverse interference) showed little to no deactivation under stress in response to happy female and fearful male trials. These congruency effects are potentially based on altered context- stress-related facial processing that interact with sex-emotion stereotypes. Results indicate that sex and facial emotion modulate Stroop interference in brain and behavior. These effects can be explained by altered response difficulty as a consequence of the contextual and stereotype related modulation of automaticity. PMID- 29221835 TI - Impact of surgical approach and patient factors on Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey scoring in gynecologic surgery. AB - OBJECTIVE: We sought to compare the Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey responses of women who underwent gynecologic surgery at our institution across patient factors and surgical approach. METHODS: We identified patients with returned HCAHPS surveys following an inpatient laparoscopic surgery or laparotomy in gynecologic surgery from 10/1/2012-9/30/2015. Exclusions included patient age<18years, discharge by a service other than Gynecologic Surgery, or refusal of Minnesota research authorization. HCAHPS composite measures were calculated using published top-box and summary star rating methodologies and dichotomized as "high" versus "low." Chi-square, Fisher's exact, and Wilcoxon rank sum tests, and multivariable logistic regression were performed. RESULTS: Of 403 women who met inclusion criteria, 109 (27%) underwent laparoscopic surgery (19% laparoscopic hysterectomy and 8% other laparoscopic procedures) and 294 (73%) laparotomy (28% open hysterectomy and 47% other open procedures). Length of stay (LOS) was longer for laparotomy cases vs. laparoscopy cases (median 2.5days following open hysterectomy and 4days following other open procedures vs 1day following laparoscopic hysterectomy and other laparoscopic procedures, p<0.001). Patients who underwent laparotomy other than hysterectomy were more likely to have low summary scores (79% vs 66% laparoscopic hysterectomy, 66% open hysterectomy, and 52% other laparoscopic procedures, p=0.005). After adjustment, non-hysterectomy laparotomy cases were more likely to have a low summary score than non hysterectomy laparoscopy (OR 3.86, 95% CI 1.71-8.68, p=0.001). This significance did not remain after further adjusting for LOS. CONCLUSION: In Gynecologic Surgery, patients undergoing laparotomy gave lower hospital ratings compared to laparoscopy. Those with longer LOS reported poorer patient experience, which is the driving variable for lower scores. In the future, it may be necessary to adjust for surgical approach when reporting patient experience scoring. PMID- 29221836 TI - Efficacy versus Complications in Arterial Thrombolysis. AB - BACKGROUND: Acute peripheral arterial occlusions threaten life and limb. Thrombolysis is an established, minimally invasive alternative treatment for surgical thromboembolectomy. Yet, there is no consensus regarding an optimal thrombolysis protocol, and current knowledge is largely based on studies from the 1990s. This study reviews a contemporary cohort of patients treated with thrombolysis and aims to evaluate the treatment results and to identify possible predictors for outcome and (bleeding) complications. METHODS: The electronic health record data of all consecutive patients who underwent thrombolysis for acute limb ischemia due to thromboembolic lower extremity arterial occlusions between April 2006 and June 2012 were analyzed. End points were change in clinical stage of ischemia, incidence of bleeding complications, duration of thrombolysis, predictors of outcome and complications, and mortality and amputation-free rates after 30-day and 6-months follow-up. RESULTS: In total, 109 cases were included. Clinical improvement was observed in 79%. Amputation-free rates at 30 days and 6 months were 94% and 90%, respectively. The incidence of major bleeding complications was 13%. Median duration of thrombolysis was 27 (4 68) hr. Mortality rates at 30 days and 6 months were 7% and 16%, respectively; none bleeding related. In addition to age, popliteal artery occlusions and a progressed chronic vascular stage are predictive for a worse outcome. Age, female sex, and cardiac history were risk factors for bleeding. CONCLUSIONS: Treatment of peripheral arterial occlusions with high-dose thrombolysis on an intensive care unit yields high clinical success rates, but major bleeding complications are often observed. Strict clinical observation remains essential since intensive monitoring of hemostatic parameters during thrombolysis does not predict bleeding complications. PMID- 29221837 TI - A Single-Center Retrospective Analysis of the Efficacy of a New Balloon Catheter in Autogenous Arteriovenous Fistula Dysfunction Resistant to Conventional Balloon Angioplasty. AB - PURPOSE: The purpose of the study was to present a new alternative balloon catheter option for autogenous arteriovenous fistula (AVF) dysfunction with a stiff constriction resistant to conventional balloon angioplasty. METHODS: Our first series of 51 patients with autogenous AVF dysfunction who were simultaneously treated with VascuTrakTM balloon catheter, following failed conventional balloon therapy (failure was defined as residual stenosis of >30%), were retrospectively observed and analyzed. The indices that were used to evaluate the clinical efficacy of VascuTrak balloon catheter included the immediate technical success rate, residual stenosis, successful dilation times, degree of pain assessed using the Visual Analog Scale, complications, and follow up patency rate. RESULTS: The stenotic or occlusive lesions of all 51 cases resistant to conventional balloon angioplasty were promptly eliminated or alleviated (residual stenosis rate <= 30%), with a 100% immediate technical success rate. VascuTrak balloon catheters were successful in achieving full dilation under working pressure, of which 44 cases required a 1-time dilation (86.3%) and 7 cases required 2 dilations, which differed significantly from the average of 2.4 dilations required by the preceding conventional balloon therapy (P < 0.0001). A statistically significant improvement in the degree of pain experienced by patients who received VascuTrak balloon dilation was observed compared to that of the preceding conventional balloon dilation (P < 0.0001). One case of a brachial artery pseudoaneurysm complication occurred in the perioperative period. The primary patency rate was 88.2% at 6 months and 74.5% at 12 months. CONCLUSION: The use of VascuTrak balloon catheter to treat autogenous AVF dysfunction resistant to conventional balloon angioplasty appears to be safe and effective, although further, large randomized controlled trials are necessary. PMID- 29221838 TI - Aneurysm of the Anomalous Splenic Artery Arising from Superior Mesenteric Artery Treated by Coil Embolization: A Report of Two Cases and Literature Review. AB - BACKGROUND: Aneurysm of splenic artery (SA) which arises from the superior mesenteric artery (SMA) is a very rare condition. The aim of this study was to present our experience with 2 such patients treated by coil embolization. METHODS: A 33-year-old man and a 61-year-old woman were incidentally identified with aneurysms of the SA which arose from the SMA. Endovascular therapy of coil embolization was chosen to treat the aneurysm. RESULTS: Follow-up computed tomography showed no change in the location of the coils and occlusion of majority of the aneurysm sac. The 2 patients have been doing well during a 26 month and 10-month follow-up period, respectively. CONCLUSIONS: Combined with the experience of the previous literature, we think coil embolization can be cost effective and minimally invasive in selected cases, depending on the morphology and site of the lesion. PMID- 29221839 TI - Cementless One-Stage Revision in Chronic Periprosthetic Hip Joint Infection. Ninety-One Percent Infection Free Survival in 56 Patients at Minimum 2-Year Follow-Up. AB - BACKGROUND: Cementless 1-stage revision in chronic periprosthetic hip joint infections is limited evaluated. The purpose of this study was to evaluate a specific treatment protocol in this patient group. METHODS: The study was performed as a multicenter, proof-of-concept, observational study with prospective data collection. Patients were treated with a cementless 1-stage revision according to the CORIHA protocol between 2009 and 2014. Fifty-six patients, McPherson type III-A/B-1/2, were enrolled with a mean follow-up time from the CORIHA procedure of 4 years (minimum of 2 years). The primary outcome was re-revision performed due to infection and was evaluated by competing risk analysis, with death and aseptic revision as competing events. All-cause mortality was evaluated by Kaplan-Meier survival analysis. Oxford Hip Score (OHS) was used as disease-specific patient-reported outcome measure. RESULTS: The cumulative incidence of re-revision due to infection was 8.9% (confidence interval [CI] 3.2%-18.1%). The 1-year and 5-year survival incidence was 96% (CI 86%-99%) and 89% (CI 75%-95%). OHS at baseline was 19.9 (CI 17.3-22.6) and at 24 month follow-up 35.1 (CI 31.7-38.5). The mean change in OHS from baseline to 24 month follow-up was 11.8 points (CI 7.3; 16.3). Three patients had aseptic revision performed: two suffered periprosthetic fractures and one had stem subsidence. Failure analysis of the 5 reinfections did not detect a clear pattern as to the cause of failure. CONCLUSION: We found that cementless 1-stage revision in chronic periprosthetic hip joint infections has low reinfection rates in selected patients and may be applicable as a first-line treatment. PMID- 29221841 TI - Risk Factors for Reaching the Post-Operative Transfusion Trigger in a Community Primary Total Knee Arthroplasty Population. AB - BACKGROUND: Little data exist to evaluate an individual's pre-operative risk of blood transfusion following total knee arthroplasty (TKA). Our aim is to identify the risk factors associated with reaching the transfusion trigger of Hb <8 g/dL (TT8) following surgery and how perioperative tranexamic acid (TXA) affects that outcome. METHODS: Using a retrospective cohort study design, routine, unilateral TKAs performed between 2011 and 2013 in 19 hospitals were reviewed. Patients hospitalized <=1 day or >=4 days were excluded. Demographic data, clinical characteristics, and potential confounders were included in statistical models. Data were abstracted from electronic clinical and utilization databases. The main outcome was the risk of reaching the TT8. The primary exposure was use of single dose intravenous TXA. Logistic regression was used to model the adjusted association between TXA usage and post-operative risk of reaching TT8. RESULTS: A total of 10,518 TKAs met criteria; 2566 (24.3%) received TXA (+TXA). The proportion that reached the TT8 was 2.1% for + TXA and 5.3% for -TXA (P < .0001). Pre-operative Hb levels were associated with increasing odds of reaching the TT8. Increasing age was weakly associated with this outcome. The odds of reaching the TT8 were lower for patients who had received TXA, had increasing body mass index, and surgical duration in the third quartile. CONCLUSION: Not receiving TXA within 24 hours of TKA and pre-operative Hb levels <13 g/dL were independently associated with the odds of reaching the post-operative TT8 following a primary TKA. PMID- 29221840 TI - A Multicenter Study of Irrigation and Debridement in Total Knee Arthroplasty Periprosthetic Joint Infection: Treatment Failure Is High. AB - BACKGROUND: In total knee arthroplasty (TKA) periprosthetic joint infection (PJI), irrigation and debridement (I&D) with component retention is a treatment option with a wide variation in reported failure rates. The purpose of this study was to determine failure rates, outcomes, and factors that predict failure in I&D for TKA PJI. METHODS: A multicenter observational study of patients with a TKA PJI and subsequently undergoing an I&D with retention of components was conducted. The primary outcome was failure rate of I&D, where failure was defined as any subsequent surgical procedures. RESULTS: Two hundred sixteen cases of I&D with retention of components performed on 206 patients met inclusion criteria. The estimated long-term failure rate at 4 years was 57.4%. Time-to-event analyses revealed that the median survival time was 14.32 months. Five-year mortality was 19.9%. Multivariable modeling revealed that time symptomatic and organism were independent predictors of I&D failure. Culture-negative status had a higher hazard for failure than culture-positive patients. When primary organism and time symptomatic were selected to produce an optimized scenario for an I&D, the estimated failure rate was 39.6%. CONCLUSION: I&D with retention of components has a high failure rate, and there is a high incidence of more complex procedures after this option is chosen. The patient comorbidities we investigated did not predict I&D success. Our results suggest that I&D has a limited ability to control infection in TKA and should be used selectively under optimum conditions. PMID- 29221842 TI - Comparison of an Uncemented Tapered Stem Design in Cobalt-Chrome vs Titanium at 15-Year Follow-Up. AB - BACKGROUND: Cobalt-chromium (Co-Cr) and titanium (Ti) have been the most popular materials employed for cementless implants. The purpose of this study was to compare clinical and radiological results of a single stem design with both alloys at long-term follow-up. METHODS: Two hundred consecutive uncemented stems implanted in 171 patients (100 Co-Cr and 100 Ti implants) between 1999 and 2002 were studied. Mean age of the patients was 60.9 years (range, 20-84). Clinical results were evaluated using the Harris hip score. The presence of thigh pain was also analyzed. Stem fixation was graded according to Engh criteria. Radiolucent lines, osteolysis, and stem subsidence were also analyzed. RESULTS: At 15-year follow-up, no stems had been revised. Both groups showed similar clinical results with mean Harris hip score of 93.4 (Co-Cr) vs 93.9 (Ti). There was no difference in the rate of thigh pain (11 vs 8.3, respectively, P = .507). Radiolucent lines were more frequent in the Co-Cr group (63.6% vs 35.6%, P < .001). CONCLUSION: Ti stems showed better osteointegration than Co-Cr stems, with a significantly lower incidence of radiolucent lines. However, this did not affect the clinical results or the appearance of thigh pain. PMID- 29221843 TI - A Comparison of the Accuracy of Clinician Prediction of Survival Versus the Palliative Prognostic Index. AB - CONTEXT: Survival predictions for advanced cancer patients impact many aspects of care, but the accuracy of clinician prediction of survival (CPS) is low. Prognostic tools such as the Palliative Prognostic Index (PPI) have been proposed to improve accuracy of predictions. However, it is not known if PPI is better than CPS at discriminating survival. OBJECTIVE: We compared the prognostic accuracy of CPS to PPI in patients with advanced cancer. METHODS: This was a prospective study in which palliative care physicians at our tertiary care cancer center documented both the PPI and CPS in hospitalized patients with advanced cancer. We compared the discrimination of CPS and PPI using concordance statistics, area under the receiver-operating characteristics curve (AUC), net reclassification index, and integrated discrimination improvement for 30-day survival and 100-day survival. RESULTS: Two hundred fifteen patients were enrolled with a median survival of 109 days and a median follow-up of 239 days. The AUC for 30-day survival was 0.76 (95% CI 0.66-0.85) for PPI and 0.58 (95% CI 0.47-0.68) for CPS (P < 0.0001). Using the net reclassification index, 67% of patients were correctly reclassified using PPI instead of CPS for 30-day survival (P = 0.0005). CPS and PPI had similar accuracy for 100-day survival (AUC 0.62 vs. 0.64; P = 0.58). CONCLUSION: We found that PPI was more accurate than CPS when used to discriminate survival at 30 days, but not at 100 days. This study highlights the reason and timing for using PPI to facilitate survival predictions. PMID- 29221844 TI - Gabapentin as an Adjuvant Therapy for Prevention of Acute Phantom-Limb Pain in Pediatric Patients Undergoing Amputation for Malignant Bone Tumors: A Prospective Double-Blind Randomized Controlled Trial. AB - CONTEXT: Gabapentin is reported to have an analgesic effect of reducing phantom limb pain (PLP) in adult patients. There is no study on preoperative use of gabapentin in pediatric population in terms of PLP prevention. OBJECTIVE: To determine whether gabapentin could be used as an adjuvant agent of opioid-based pain control to lower the rate of PLP in pediatric patients undergoing amputation for malignant bone tumors in observation period of 60 days postoperatively. METHODS: Pediatric patients who were diagnosed with osteosarcoma or Ewing's sarcoma around the knee and underwent amputation from May 2013 to March 2016 were registered to this prospective double-blind randomized controlled trial. Four days before amputation, the patients were randomized to a study group receiving oral gabapentin, and a control group receiving oral placebo, both for 30 days. Pain intensity was recorded using the visual analog scale at different time points in all patients. PLP was assessed daily during their postoperative hospital stay and at the last follow-up visit 60 days after operation. RESULTS: Of the 45 patients included in our study, 23 patients were randomized to gabapentin group and 22 to placebo group. There was no significant difference in preoperative baseline pain intensity between the two groups (P = 0.12). The overall postoperative pain intensity in gabapentin group was significantly lower than that in placebo group (P < 0.05). The rate of PLP in gabapentin group was significantly lower than that in placebo group (43.48% vs. 77.27%, P = 0.033) at the last follow-up visit. CONCLUSIONS: In pediatric patients, gabapentin shows the effect of preventing PLP and reducing postoperative pain intensity in acute period after amputation. Initiation of gabapentin therapy as an adjuvant to opioids before amputation is beneficial with no severe adverse effect. PMID- 29221845 TI - Characterizing the Role of U.S. Surgeons in the Provision of Palliative Care: A Systematic Review and Mixed-Methods Meta-Synthesis. AB - CONTEXT: The provision of palliative care varies appropriately by clinical factors such as patient age and severity of disease and also varies by provider practice and specialty. Surgical patients are persistently less likely to receive palliative care than their medical counterparts for reasons that are not clear. OBJECTIVES: We sought to characterize surgeon-specific determinants of palliative care in seriously ill and dying patients. METHODS: We performed a systematic review of the literature focused on surgery and palliative care within PubMed, CINAHL, EMBASE, Scopus, and Ovid Medline databases from January 1, 2000 through December 31, 2016 according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Quantitative and qualitative studies with primary data evaluating surgeons' attitudes, knowledge, and behaviors or experiences in care for seriously ill and dying patients were selected for full review by at least two study team members based on predefined inclusion criteria. Data were extracted based on a predetermined instrument and compared across studies using thematic analysis in a meta-synthesis of qualitative and quantitative findings. RESULTS: A total of 2589 abstracts were identified and screened, and 35 articles (26 quantitative and nine qualitative) fulfilled criteria for full review. Among these, 17 articles explored practice and attitudes of surgeons regarding palliative and end-of-life care, 11 articles assessed training in palliative care, five characterized surgical decision making, one described behaviors of surgeons caring for seriously ill and dying patients, and one explicitly identified barriers to use of palliative care. Four major themes across studies affected receipt of palliative care for surgical patients: 1) surgeons' experience and knowledge, 2) surgeons' attitudes, 3) surgeons' preferences and decision making for treatment, and 4) perceived barriers. CONCLUSIONS: Among the articles reviewed, surgeons overall demonstrated insight into the benefits of palliative care but reported limited knowledge and comfort as well as a multitude of challenges to introducing palliative care to their patients. These findings indicate a need for wider implementation of strategies that allow optimal integration of palliative care with surgical decision making. PMID- 29221846 TI - Prevailing Ethical Dilemmas Encountered by Physicians in Terminal Cancer Care Changed After the Enactment of the Natural Death Act: 15 Years' Follow-up Survey. AB - CONTEXT: Advance directive laws have influences on ethical dilemmas encountered by physicians caring for terminal cancer patients. OBJECTIVES: To identify the prevailing ethical dilemmas among terminal care physicians 15 years after the Natural Death Act was enacted in Taiwan. METHODS: This study is a cross-sectional survey from April 2014 to February 2015 using the clustering sampling method and a well-structured questionnaire. Targeted participants included physicians at oncology and related wards or palliative care units where terminal cancer care may be provided in Taiwan. RESULTS: Among the 500 physicians surveyed, 383 responded (response rate 76.6%) and 346 valid questionnaires were included in the final analysis (effective response rate 69.2%). The most frequently identified ethical dilemma was "place of care," followed by "use of antimicrobial agents" and "artificial nutrition and hydration." The dilemma of "truth telling," which ranked first in the 2005-2006 survey, now ranked at the fourth place. Stepwise logistic regression analysis revealed that female gender and knowledge of palliative care were negatively correlated with the extent of dilemmas regarding issues of "life and death." CONCLUSION: The prevailing ethical dilemmas have changed in Taiwan 15 years after the enactment of the Natural Death Act, supporting that some previous strategies had worked. Our results suggest that education on the core values of palliative care, improvement of community-based hospice care program, and creating treatment guidelines with prognostication may resolve the current dilemmas. This type of survey should be adapted by individual countries to guide policy decisions on end-of-life care. PMID- 29221847 TI - Outpatient Pain Medication Use: An Electronic Daily Diary Study in Metastatic Breast Cancer. AB - CONTEXT: Understanding cancer patients' everyday pain experiences and their concomitant use of pain medication may help identify ways to improve pain management among outpatients. OBJECTIVES: This study examined the between-person and within-person associations between pain intensity and analgesic use in metastatic breast cancer patients. METHODS: Fifty-three women who were initiating treatment for metastatic breast cancer completed electronic diary assessments six times per day for 14 days. RESULTS: The likelihood of taking medication was found to depend on patients' average pain levels and on whether their pain was better or worse than usual at the time. Patients who typically experienced moderate-to high pain were more likely to be prescribed and to take analgesics than were patients who typically experienced low pain. However, these patients tended not to vary their medication use based on within-person fluctuations in pain. In contrast, patients who typically experienced low pain tended to increase their medication use at times when their pain was higher than usual but were less likely to use medication than were patients who typically experienced higher levels of pain. CONCLUSION: Our findings provide some evidence that patients with advanced cancer tend to use their pain medications appropriately. Patients with lower pain appear to be taking medications in response to increases in pain, whereas patients whose pain is typically more intense may be relying on other cues to prompt them to take analgesic medication. Clinicians may need to be sensitive to individual differences in the factors associated with pain medication use in daily life. PMID- 29221849 TI - Molecular Regulation of Fatty Acid Oxidation in Skeletal Muscle during Aerobic Exercise. AB - This review summarizes how fatty acid (FA) oxidation is regulated in skeletal muscle during exercise. From the available evidence it seems that acetyl-CoA availability in the mitochondrial matrix adjusts FA oxidation to exercise intensity and duration. This is executed at the step of mitochondrial fatty acyl import, as the extent of acetyl group sequestration by carnitine determines the availability of carnitine for the carnitine palmitoyltransferase 1 (CPT1) reaction. The rate of glycolysis seems therefore to be central to the amount of beta-oxidation-derived acetyl-CoA that is oxidized in the tricarboxylic acid (TCA) cycle. FA oxidation during exercise is also determined by FA availability to mitochondria, dependent on trans-sarcolemmal FA uptake via cluster of differentiation 36/SR-B2 (CD36) and FAs mobilized from myocellular lipid droplets. PMID- 29221848 TI - Menopausal-Related Symptoms in Women One Year After Breast Cancer Surgery. AB - CONTEXT: Approximately 60% to 100% of women with breast cancer experience at least one menopausal-related symptom. Little is known about associations between menopausal status and symptoms in women 12 months after breast cancer surgery. OBJECTIVES: The purpose of this study was to evaluate for differences in occurrence, severity, and distress of symptoms between pre- and postmenopausal women 12 months after breast cancer surgery. METHODS: Women with breast cancer (n = 327) completed the Menopausal Symptoms Scale, which evaluated the occurrence, severity, and distress of 46 common menopausal-related symptoms. Regression analyses were used to evaluate between-group differences in the seven symptoms that occurred in 30% and more of the sample (i.e., hot flashes, night sweats, depression, daytime sweats, joint pain or stiffness, wake during the night, and numbness or tingling). RESULTS: Of the 327 patients with breast cancer, who completed the 12-month assessment, 35.2% were premenopausal and 64.8% were postmenopausal before surgery. In the conditional models, when significant interactions were found, the differences in symptom occurrence rates between pre- and postmenopausal patients depended on their age. CONCLUSION: Regardless of menopausal status, women reported relatively high occurrence rates for several menopausal symptoms. Associations between symptom occurrence rates and menopausal status depended on the patient's age. During the development of a survivorship care plan, clinicians need to assess symptom burden within the context of a woman's menopausal status and salient demographic and clinical characteristics. This approach will assist with the prescription of more effective interventions. PMID- 29221850 TI - Isolation and molecular characterization of Leishmania infantum in urine from patients with visceral leishmaniasis in Brazil. AB - Leishmania infantum is a protozoan that causes visceral leishmaniasis, a potentially deadly neglected tropical disease. The gold standard for diagnosis has traditionally been detection of amastigotes in bone marrow or spleen aspirates, but this is an invasive procedure that carries the risk of serious complications. Newer PCR techniques are opening new avenues and tissues for testing. Therefore, we tested if amastigotes and DNA from L. infantum could be detected in patient urine. We detected L. infantum DNA in six out of 30 urine samples from patients with visceral leishmaniasis and the promastigotes were isolated in culture from the urine of one patient. These results suggest the feasibility of using urine samples to diagnose visceral leishmaniasis, especially in acute cases or renal infection, providing a valuable tool for doctors and clinicians to use for screening and diagnosis of leishmaniasis in patients. PMID- 29221851 TI - CCR5 chemokine receptor gene polymorphisms in ocular toxoplasmosis. AB - CC chemokine receptor type 5 (CCR5) is a chemokine receptor that influences the immune response to infectious and parasitic diseases. This study aimed to determine whether the CCR5Delta32 and CCR5 59029 A/G polymorphisms are associated with the development of ocular toxoplasmosis in humans. Patients with positive serology for Toxoplasma gondii were analyzed and grouped as 'with ocular toxoplasmosis' (G1: n=160) or 'without ocular toxoplasmosis' (G2: n=160). A control group (G3) consisted of 160 individuals with negative serology. The characterization of the CCR5Delta32 and CCR5 59029 A/G polymorphisms was by PCR and by PCR-RFLP, respectively. The difference between the groups with respect to the mean age (G1: mean age: 47.3, SD+/-19.3, median: 46 [range: 18-95]; G2: mean age: 61.3, SD+/-13.7, median: 61 [range: 21-87]; G3: mean age: 38.8, SD+/-17.9, median: 34 [range: 18-80]) was statistically significant (G1 vs.G2: p-value <0.0001; t=7.21; DF=318; G1 vs.G3: p-value <0.0001; t=4.32; DF=318; G2 vs. G3: p value <0.0001; t=9.62; DF=318). The Nagelkerke r2 value was 0.040. There were statistically significant differences for the CCR5/CCR5 (p-value=0.008; OR=0.261), AA (p-value=0.007; OR=2.974) and AG genotypes (p-value=0.018; OR=2.447) between G1 and G2. Individuals with the CCR5/CCR5 genotype and simultaneously the CCR5-59029 AA or AG genotypes have a greater risk of developing ocular toxoplasmosis (4% greater), which may be associated with a strong and persistent inflammatory response in ocular tissue. PMID- 29221852 TI - Captive-bred neotropical birds diagnosed with Cryptosporidium Avian genotype III. AB - Currently, there are only three valid species of Cryptosporidium infecting avian hosts, namely, Cryptosporidium meleagridis, Cryptosporidium baileyi, Cryptosporidium galli and Cryptosporidium avium in addition to 12 genotypes of unknown species status. The objectives of this study were to microscopically diagnose the presence of Cryptosporidium in birds from a commercial aviary located in Rio de Janeiro, Brazil; genotypically characterize species and/or genotypes of genus Cryptosporidum; and conduct sequencing and phylogenetic analyses to compare the obtained DNA sequences with those deposited in GenBank. A total of 85 fecal samples were collected from wild captive-bred birds: 48 of family Psittacidae and 37 of family Ramphastidae. Initially, a search for the presence of Cryptosporidium sp. oocysts was conducted using the centrifugal flotation in saturated sugar solution technique, after that, the collected samples were analyzed microscopically. Cryptosporidium infections were only detected in 24.32% of samples belonging to the family Ramphastidae. DNA was extracted from positive samples and molecular diagnostics was applied targeting the 18S rRNA gene, followed by sequencing and phylogenetic analysis. The Cryptosporidium Avian genotype III was diagnosed in this study more closely related to the gastric species. This is the first record of Cryptosporidium Avian genotype III in order Piciformes and family Ramphastidae, where three host species (Ramphastus toco, Ramphastus tucanus, and Pteroglossus bailloni) were positive for the etiologic agent. Based on the molecular data obtained, these wild birds raised in captivity do not represent a source of human cryptosporidiosis, considering that Cryptosporidium Avian genotype III does not constitute a zoonosis. PMID- 29221853 TI - Venous thromboembolism events after breast reconstructions with DIEP free flaps in 192 consecutive case. AB - BACKGROUND: Patient candidates for breast reconstruction with free deep inferior epigastric perforator flap (DIEP) may present several risk factors for venous thromboembolism (VTE). Risk identification is essential for appropriate VTE prophylaxis measures to be put in place. This study aims to investigate VTE incidence after DIEP flap breast reconstruction and to assess the accuracy of the Caprini Risk Assessment Model (RAM), which is the unique score validated to assess the VTE risk for plastic surgery procedures and identify patients at high VTE risk. METHODS: A chart review was conducted of 192 consecutive patients who underwent breast reconstruction with a DIEP flap from 1999 to 2016. VTE rate was assessed and the Caprini score was calculated for each patient and correlated with the VTE incidence. RESULTS: During the 90 post-operative days, four patients presented a pulmonary embolism (2.1%) and two patients (1%) had deep venous thrombosis (overall VTE incidence of 3.1%). Most patients (92.2%) were assessed as high-risk (Caprini score >5) and all VTE occurred among this group. Apart from the Caprini score, no specific single risk factor could be identified for VTE. CONCLUSIONS: Our data confirm that the Caprini RAM is a valuable assessment tool for VTE risk measurement among all patients undergoing autologous breast reconstruction. As most candidates for DIEP flap belong to the high-risk group, combined anticoagulation prophylaxis methods are required for most cases, particularly chemoprophylaxis up to four weeks postoperatively. PMID- 29221854 TI - From non-adaptive depression to general distress. PMID- 29221855 TI - Toll-like receptor-4 regulates anxiety-like behavior and DARPP-32 phosphorylation. AB - Toll-like receptors (TLRs) play a crucial role in early innate immune responses to inflammatory agents and pathogens. In the brain, some members of the TLR family are expressed in glial cells and neurons. In particular, TLR4 has been involved in learning and memory processes, stress-induced adaptations, and pathogenesis of neurodegenerative disorders. However, the role of TLR4 in emotional behaviors and their underlying mechanisms are poorly understood. In this study, we investigated the role of TLR4 in emotional and social behavior by using different behavioral approaches, and assessed potential molecular alterations in important brain areas involved in emotional responses. TLR4 knockout (KO) mice displayed increased anxiety-like behavior and reduced social interaction compared to wild type control mice. This behavioral phenotype was associated with an altered expression of genes known to be involved in emotional behavior [e.g., brain-derived neurotrophic factor (BDNF) and metabotropic glutamate receptors (mGluRs)]. Interestingly, the mRNA expression of dopamine- and cAMP-regulated phosphoprotein-32 (DARPP-32) was strongly upregulated in emotion-related regions of the brain in TLR4 KO mice. In addition, the phosphorylation levels at Thr75 and Ser97 in DARPP-32 were increased in the frontal cortex of TLR4 KO male mice. These findings indicate that TLR4 signaling is involved in emotional regulation through modulation of DARPP-32, which is a signaling hub that plays a critical role in the integration of numerous neurotransmitter systems, including dopamine and glutamate. PMID- 29221857 TI - Review of Simulation Training in Interventional Radiology. AB - Simulation training has evolved and is now able to offer numerous training opportunities to supplement the practice of and overcome some of the shortcomings of the traditional Master-Apprentice model currently used in medical training. Simulation training provides new opportunities to practice skills used in clinical procedures, crisis management scenarios, and everyday clinical practice in a risk-free environment. Procedural and nonprocedural skills used in interventional radiology can be taught with the use of simulation devices and technologies. This review will inform the reader of which clinical skills can be trained with simulation, the types of commercially available simulators and their educational validity, and the assessment tools used to evaluate simulation training. PMID- 29221856 TI - Light-triggered dissociation of self-assembled beta-amyloid aggregates into small, nontoxic fragments by ruthenium (II) complex. AB - : The self-assembly of beta-amyloid (Abeta) peptides into highly stable plaques is a major hallmark of Alzheimer's disease. Here, we report visible light-driven dissociation of beta-sheet-rich Abeta aggregates into small, nontoxic fragments using ruthenium (II) complex {[Ru(bpy)3]2+} that functions as a highly sensitive, biocompatible, photoresponsive anti-Abeta agent. According to our multiple analyses using thioflavin T, bicinchoninic acid, dynamic light scattering, atomic force microscopy, circular dichroism, and Fourier transform infrared spectroscopy, [Ru(bpy)3]2+ successfully disassembled Abeta aggregates by destabilizing the beta-sheet secondary structure under illumination of white light-emitting diode light. We validated that photoexcited [Ru(bpy)3]2+ causes oxidative damages of Abeta peptides, resulting in the dissociation of Abeta aggregates. The efficacy of [Ru(bpy)3]2+ is attributed to reactive oxygen species, such as singlet oxygen, generated from [Ru(bpy)3]2+ that absorbed photon energy in the visible range. Furthermore, photoexcited [Ru(bpy)3]2+ strongly inhibited the self-assembly of Abeta monomers even at concentrations as low as 1 nM and reduced the cytotoxicity of Abeta aggregates. STATEMENT OF SIGNIFICANCE: Alzheimer's disease is the most common progressive neurodegenerative disease, affecting more than 13% of the population over age 65. Over the last decades, researchers have focused on understanding the mechanism of amyloid formation, the hallmark of various amyloid diseases including Alzheimer's and Parkinson's. In this paper, we successfully demonstrate the dissociation of beta-Amyloid (Abeta) aggregates into small, less-amyloidic fragments by photoexcited [Ru(bpy)3]2+ through destabilization of beta-sheet secondary structure. We validated the light triggered dissociation of amyloid structure using multiple analytical tools. Furthermore, we confirmed that photoexcited [Ru(bpy)3]2+ reduces cytotoxicity of Abeta aggregates. Our work should open a new horizon in the study of Alzheimer's amyloid aggregation by showing the potential of photoexcited dye molecules as an alternative therapeutic strategy for treating Alzheimer's disease in future. PMID- 29221858 TI - Photochemical internalization enhanced macrophage delivered chemotherapy. AB - BACKGROUND: Macrophage (Ma) vectorization of chemotherapeutic drugs has the advantage for cancer therapy in that it can actively target and maintain an elevated concentration of drugs at the tumor site, preventing their spread into healthy tissue. A potential drawback is the inability to deliver a sufficient number of drug-loaded Ma into the tumor, thus limiting the amount of active drug delivered. This study examined the ability of photochemical internalization (PCI) to enhance the efficacy of released drug by Ma transport. METHODS: Tumor spheroids consisting of either F98 rat glioma cells or F98 cells combined with a subpopulation of empty or doxorubicin (DOX)-loaded mouse Ma (RAW264.7) were used as in vitro tumor models. PCI was performed with the photosensitizer AlPcS2a and laser irradiation at 670 nm. RESULTS: RAW264.7 Ma pulsed with DOX released the majority of the incorporated DOX within two hours of incubation. PCI significantly increased the toxicity of DOX either as pure drug or derived from monolayers of DOX-loaded Ma. Significant growth inhibition of hybrid spheroids was also observed with PCI even at subpopulations of DOX-loaded Ma as low as 11% of the total initial hybrid spheroid cell number. CONCLUSION: Results show that RAW264.7 Ma, pulsed with DOX, could effectively incorporate and release DOX. PCI significantly increased the ability of both free and Ma-released DOX to inhibit the growth of tumor spheroids in vitro. The growth of F98 + DOX loaded Ma hybrid spheroids were synergistically reduced by PCI, compared to either photodynamic therapy or released DOX acting alone. PMID- 29221859 TI - Photodynamic Antimicrobial Chemotherapy (PACT), using Toluidine blue O inhibits the viability of biofilm produced by Candida albicans at different stages of development. AB - BACKGROUND: Candida albicans is an opportunistic fungus producing both superficial and systemic infections, especially in immunocompromised individuals. It has been demonstrated that C. albicans ability to form biofilms is a crucial process for colonization and virulence. Furthermore, a correlation between the development of drug resistance and biofilm maturation at Candida biofilms has been shown. Photodynamic Antimicrobial Chemotherapy (PACT) is a potential antimicrobial therapy that combines visible light and a non-toxic dye, known as a photosensitizer, producing reactive oxygen species (ROS) that can kill the treated cells. The objective of this study was to investigate the effects of PACT, using Toluidine Blue O (TBO) on the viability of biofilms produced by C. albicans at different stages of development. METHODS: In this study, the effects of PACT on both biofilm formation and viability of the biofilm produced by C. albicans were studied. Biofilm formation and viability were determined by a metabolic assay based on the reduction of XTT assay. In addition, the morphology of the biofilm was observed using light microscopy. RESULTS: PACT inhibited both biofilm formation and viability of the biofilm produced by C. albicans. Furthermore, PACT was able to decrease the number of both cells and filamentous form present in the biofilm structure. This inhibitory effect was observed in both early and mature biofilms. CONCLUSIONS: The results obtained in this study demonstrated the potential of PACT (using TBO) as an effective antifungal therapy, including against infections associated with biofilms at different stages of development. PMID- 29221860 TI - The Cellulose Synthases Are Cargo of the TPLATE Adaptor Complex. PMID- 29221861 TI - Prosthetic valve endocarditis in patients on hemodialysis. PMID- 29221862 TI - Physical activity, sedentary time, TV viewing, physical fitness and cardiovascular disease risk in adolescents: The HELENA study. AB - BACKGROUND: To examine the independent associations between physical activity (PA) intensities, sedentary time (ST), TV viewing, cardiorespiratory fitness (CRF) and muscular fitness (MF) with cardiovascular disease (CVD) risk in youth. METHODS: A cross-sectional study on 534 European adolescents (252 males, 282 females, 12.5-17.5years). Minutes per day of light (LPA), moderate (MPA) and vigorous (VPA) PA and total ST were measured using accelerometers. TV viewing time was measured using a questionnaire. CRF and MF were measured using the 20m shuttle run test and a hand dynamometer respectively. CVD outcomes included markers of body composition (body mass index (BMI), waist circumference (WC), WC/height (Ht) and sum of skinfolds (SumSF)), blood pressure, blood lipids and insulin resistance (HOMA-IR). Clustered CVD risk was calculated using SumSF, HOMA IR, blood lipids and blood pressure. RESULTS: LPA had a significant positive independent relationship with all body composition outcomes (P<0.001) and clustered CVD risk (P=0.046). VPA was negatively related to SumSF (P<0.001), BMI (P=0.018), WC/Ht (P=0.013) and clustered CVD risk (P=0.001), but was non significant for all when other exposures were considered (P>0.10). MPA had a negative independent relationship with only WC (P=0.029) and ST was not significantly related to CVD risk (P>0.16). TV viewing had a significant positive independent relationship with HOMA-IR (P<0.001) and clustered CVD risk (P=0.019). CRF (all P<0.002) and MF (all P<0.009) had a negative independent relationship with body composition outcomes and clustered CVD risk. CONCLUSIONS: Public health guidelines should prioritize on increasing levels of CRF, MF and VPA, and reducing TV viewing time to lower CVD risk in youth. PMID- 29221864 TI - No 356-Congelation d'ovules pour pallier le declin de la fertilite lie a l'age. PMID- 29221863 TI - [Cutaneous pigmentation related to intravenous iron extravasation: Analysis from the French pharmacovigilance database]. AB - INTRODUCTION: Intravenous iron infusion may be complicated by extravasation and lead to cutaneous pigmentation. METHODS: We queried the French pharmacovigilance database to assess the spontaneously reported cases over the 2000-2016 period. RESULTS: Fifty-one cases of cutaneous pigmentation related to intravenous iron extravasation were retrieved, none was associated to necrosis. Most of patients were women aged 20 to 49 years old. The pigmentation was mostly a brown coloration, persisting over one month in 19 cases (37.2%) and over 6 months in 9 cases (17.6%). The management of extravasation and pigmentation was heterogeneous and was rarely followed by a decrease of the coloration. CONCLUSION: Cutaneous pigmentation after intravenous iron extravasation can persist over time and create an aesthetic prejudice, particularly in young women. Standardized extravasation and iron-induced pigmentation management procedures appear necessary. PMID- 29221865 TI - Methodologies to determine b-term coefficients revisited. AB - The accuracy of the longitudinal diffusion term (b-term) plays a vital role in the study of mass transfer mechanisms in high performance liquid chromatography (HPLC). In this study, three commonly used methodologies (peak parking; fitting of an experimental van Deemter curve; and the so-called dynamic method) for the determination of the b-term constant were investigated in detail. The three methods were compared based on their mutual agreement, the intra- and inter-day variation of the obtained values and the time required to measure them. Whereas the dynamic method was found to be plagued by impractically long waiting times and concomitant baseline variations compromising accurate measurements of the band broadening, the two other methods lead to very similar b-values, i.e., well within the 1% RSD inter-day variation typically marking both methods in the present study. The best way to study the agreement of the peak parking and plate height fitting method is in a plot of h.nu versus nu, providing a much better zoom on the b-term region of the van Deemter curve than the customarily employed h versus nu-curve and hence allowing to identify any anomalous measurement values (usually related to measurements with a long experimentation time). Verifying the mutual agreement between both methods is proposed here as an additional accuracy check of the obtained data. PMID- 29221866 TI - A capillary zone electrophoresis method for detection of Apolipoprotein C-III glycoforms and other related artifactually modified species. AB - ApolipoproteinC-III (ApoC-III) is a human plasma glycoprotein whose O glycosylation can be altered as a result of congenital disorders of glycosylation (CDG). ApoC-III exhibits three major glycoforms whose relative quantification is of utmost importance for the diagnosis of CDG patients. Considering the very close structures of these glycoforms and their tendency to adsorb on the capillary, a thorough optimization of capillary electrophoresis (CE) parameters including preconditioning and in-between rinsing procedures was required to efficiently separate all the ApoC-III glycoforms. Permanent coatings did not contribute to high resolution separations. A fast and reliable method based on a bare-silica capillary combining the effect of urea and diamine additives allowed to separate up to six different ApoC-III forms. We demonstrated by a combination of MALDI-TOF mass spectrometry (MS) analyses and CE of intact and neuraminidase treated samples that this method well resolved glycoforms differing not only by their sialylation degree but also by carbamylation state, an undesired chemical modification of primary amines. This method allowed to demonstrate the carbamylation of ApoC-III glycoforms for the first time. Our CZE method proved robust and accurate with excellent intermediate precision regarding migration times (RSDs < 0.7%) while RSDs for peak areas were less than 5%. Finally, the quality of three distinct batches of commercial ApoC-III obtained from different suppliers was assessed and compared. Quite similar but highly structurally heterogeneous ApoC-III profiles were observed for these samples. PMID- 29221867 TI - Modelling ordered packed beds of spheres: The importance of bed orientation and the influence of tortuosity on dispersion. AB - Ordered packing has previously been considered for porous media applications in the industrial and analytical worlds, with implementation constrained only by the lack of feasible fabrication methods. Additive manufacturing now provides the answer to this limitation, which leads to the novel domain of customized ordered packing and a variety of optimized geometries. In this work, the chromatographic behaviour of ordered configurations of particles was described using computational fluid dynamics methods based on the Lattice Boltzmann Model. The model was first validated by matching van Deemter trends for ordered and random packings shown in previous research. The influence of rotations of the ordered configurations was then considered, indicating that orientational changes with respect to the main flow axis can strongly affect minimum plate height. In particular, it is demonstrated that targeted rotations of ordered packings can reduce axial dispersion while improving transverse dispersion, thus improving chromatographic performance. This principle is clearly shown in a strong linear correlation between tortuosity and plate height, offering an additional parameter to enable a priori control of the performance of ordered packings. Furthermore, rotation of the packing does not change porosity or surface area and has a relatively small effect on permeability. Thus, highly permeable packings with poor dispersion can be improved in terms of chromatographic impedance by simple rotation of the packing orientation. This work further demonstrates the advantages of ordered packings over randomly packed beds, and introduces new perspectives on the development of chromatographic structures with improved performance. PMID- 29221868 TI - Influence of hydrogen bond accepting ability of anions on the adsorption performance of ionic liquid surface molecularly imprinted polymers. AB - To illuminate the influence mechanism of anionic structure of ionic liquids (ILs) on the adsorption performance of surface molecularly imprinted polymers (MIPs), in this work, six newly designed MIPs were prepared on the surface of amino poly(styrene-divinylbenzene) particles by using imidazolium ILs with the same cation [C4mim]+ but different anions (Cl, CH3SO3, PF6, BF4, C4F7O2, C4F9SO3) as template molecules, methacrylic acid as functional monomer, and ethylene dimethacrylate as cross-linker. The resulting MIP materials were characterized by IR and SEM, and the influence of hydrogen bond accepting ability of anions on the adsorption performance of the MIPs for the ILs was investigated in acetonitrile. It was found that adsorption capacity of the MIPs towards the ILs decreased in the order MIP[C4mim][Cl] > MIP[C4mim][C4F7O2] >= MIP[C4mim][BF4] and MIP[C4mim][CH3SO3] > MIP[C4mim][C4F9SO3] > MIP[C4mim][PF6], which is in good agreement with the ability of anions of the ILs to form hydrogen bonds. Ultraviolet, 1H-NMR and 35Cl-NMR spectroscopy was then used to study the interactions of anions of the ILs with the functional monomer. It was found that the hydrogen bond interaction between anions of the ILs and acidic proton of the functional monomer was the main driving force for the high adsorption selectivity of the imprinted polymers, and the stronger hydrogen bond interaction indicates higher binding capacity and higher selectivity of the polymers towards the ILs. It was also verified that the ILs with stronger hydrogen bond accepting ability of anions could be selectively extracted by the corresponding IL-MIPs. These results may provide new insight into the recognition mechanism of MIPs for ILs, and are also useful for the rational design of this new class of imprinting materials. PMID- 29221869 TI - Characteristics of hospitalizations due to acute stroke in the Silesian Province, Poland, between 2009 and 2015. AB - INTRODUCTION: The available data on acute stroke (AS) in Poland come mainly from non-representative cohorts or are outdated. Therefore, the current study was done to access the most recent data on AS in the industrial region that covers 12% (4.6mln) of the country's population. OBJECTIVE: To evaluate the epidemiological data of AS in the Silesian Province, Poland. PATIENTS AND METHODS: Analysis of the data from stroke questionnaires, obligatory for all patients hospitalized due to AS and administered by the only public health insurer in Poland (the National Health Fund) between 2009 and 2015 (n=81,193). RESULTS: The annual number of hospitalizations due to AS in the analyzed period was between 239 and 259 per 100,000 inhabitants of the Silesian Province. Haemorrhagic stroke constituted 13.3%, ischaemic stroke - 85.5%, and unspecified stroke - 1.2%. The average age of patients was 71.6+/-12.2 years (M 68.2+/-11.9, F 74.8+/-11.9, P<0.05). The mean duration of hospitalization was 17+/-16 days for haemorrhagic stroke, and 14+/-11 days for ischaemic stroke. Large-artery atherosclerosis (36.1%) and cardioembolism (18.7%) constituted the main causes of ischaemic stroke. Overall hospital mortality for AS was 18% (haemorrhagic - 40.8%, ischaemic - 14.9%). A decreasing trend in mortality was observed in ischaemic but not in haemorrhagic stroke. In-hospital mortality was significantly higher in women than in men (P<0.05). CONCLUSIONS: This comprehensive long-term analysis of the epidemiological situation related to AS in the industrial region of Poland should encourage further development of educational and treatment programmes for improvement in the health status of the population. PMID- 29221870 TI - Estimation of CO2 emissions from waste incinerators: Comparison of three methods. AB - Climate-relevant CO2 emissions from waste incineration were compared using three methods: making use of CO2 concentration data, converting O2 concentration and waste characteristic data, and using a mass balance method following Intergovernmental Panel on Climate Change (IPCC) guidelines. For the first two methods, CO2 and O2 concentrations were measured continuously from 24 to 86 days. The O2 conversion method in comparison to the direct CO2 measurement method had a 4.8% mean difference in daily CO2 emissions for four incinerators where analyzed waste composition data were available. However, the IPCC method had a higher difference of 13% relative to the direct CO2 measurement method. For three incinerators using designed values for waste composition, the O2 conversion and IPCC methods in comparison to the direct CO2 measurement method had mean differences of 7.5% and 89%, respectively. Therefore, the use of O2 concentration data measured for monitoring air pollutant emissions is an effective method for estimating CO2 emissions resulting from waste incineration. PMID- 29221871 TI - Investigation on paper cup waste degradation by bacterial consortium and Eudrillus eugeinea through vermicomposting. AB - Disposable Paper cups are a threat to the environment and are composed of 90% high strength paper with 5% thin coating of polyethylene. This polyethylene prevents the paper cup from undergoing degradation in the soil. Hence, in the present study two different approaches towards the management of paper cup waste through vermicomposting technology has been presented. The experimental setup includes 2 plastic reactors namely Vermicompost (VC) (Cow dung + Paper cup waste + Earthworm (Eudrillus eugeinea)) and Vermicompost with bacterial consortium (VCB) (Cow dung + Paper cup waste + Eudrillus eugeinea + Microbial consortia such as Bacillus anthracis, B. endophyticus, B. funiculus, B. thuringiensis, B. cereus, B. toyonensis, Virigibacillius chiquenigi, Acinetobacter baumanni and Lactobacillus pantheries). After treatment the physicochemical parameters were analysed. The results showed that the values of TOC (26.52 and 37.47%), TOM (36.01 and 33.13%) and C/N (15.02 and 11.92%) ratio are reduced in both VC and VCB whereas, the values of pH (8.01 and 7.56), EC (1.2-1.9 us-1 and 1.4-1.9 us 1), TP (46.1 and 51%), TMg (50.52 and 64.3%), TCa (50 and 64%), TNa (1.39 and 1.75%) and TK (1.75 and 1.86%) have increased. This study substantiates the addition of the microbial consortia augmenting the degradation in VCB reactor by reducing the period of process from 19 to 12 weeks. Further the characterisation of the vermicompost prepared from paper cup with FT-IR shows high degradation of carboxylic and aliphatic group; SEM analysis shows the disaggregation of cellulose and lignin; XRD shows the degradation of cellulose. All these analyses endorse the degradation of the paper cup waste faster with microbes (VCB). Thus, this present study high lights management of the paper cup waste in a relatively short period of time. PMID- 29221872 TI - Proposal of concentration limits for determining the hazard property HP 14 for waste using ecotoxicological tests. AB - Different ecotoxicological test batteries and concentration limits have been proposed to assess the hazard property (HP) HP 14 'Ecotoxic' for waste in the European Union and its member states. In test batteries, if the concentration of waste in the culture/dilution medium producing 50% of inhibitory biological effect in one or more test(s) is below the concentration limit of the test, the waste is classified as hazardous. A summarized review of the test batteries proposed since 1998 is presented. The last proposed test battery uses seven aquatic and terrestrial species with standardized methods, but with options and uniform concentration limits of 10% of waste eluate or solid waste in the culture/dilution medium. No attempt was made to match this hazard assessment with the classification made in the European List of Waste (LoW). The aim of this paper is to propose for the same test battery (reduced to 6 tests without options) concentration limits that match with the European List of Waste. This list was taken as reference (despite the fact that waste can be hazardous for other properties than the most frequent HP 14, and its partly political nature for some opinions). The concentration limits (CLs) for tests are the concentrations producing the highest ecotoxicological effects for each test observed in a non-hazardous waste set. Data from Germany, France and Belgium (from in total 5 different sources from 2009 to 2016) with the above-mentioned test battery (without options) were gathered for 81 samples, being the largest set ever published. In total, ten non-hazardous (NH) waste samples (as defined by the LoW and for most of them checked by chemical composition) were used to establish CLs. These CLs were then applied to 13 hazardous (H) waste by the LoW, and all were classified as hazardous. The matching of the resulting classification with the LoW is convincing. For the 58 'mirror entries' in the LoW (hazardous or not depending of the presence of hazardous substances), 37 were classified H (64%) and 21 were classified NH (36%). These concentration limits can be refined with the method proposed here, as soon as additional data of NH waste (by list and by composition) are available. The test battery (without options) and the concentration limits (in percent of waste in the culture/dilution medium) proposed are the following: A waste is hazardous for HP 14 'Ecotoxic' if the concentration of waste (eluate or solid) in the culture/dilution medium producing 50% of biological effect relative to the control EC50-30 min of Vibrio fischeri (EN ISO 11348-3) is lower than 15.8%, or if the EC50-72 h of Pseudokirchneriella subcapitata (EN ISO 8692) is lower than 7.03%, or if the EC50-48 h of Daphnia magna (EN ISO 6341) is lower than 7.95%, or if the EC50-6h of Arthrobacter globiformis (ISO 18187) is lower than 2.25%, or if the EC50-14d of Brassica rapa (EN ISO 11269-2) is lower than 13.7%, or if the EC50-48 h of Eisenia fetida avoidance test (ISO 17512-1) is lower than 3.75%. These CLs range between 2% and 16%, which is in line with the typically 10% concentration proposed without validation. To fix regulatory concentration limits, the regulators can use these CLs and the uncertainty of the ecotoxicological tests (standard deviation of inter-laboratory reproducibility typically of 25% of the mean, as published in the standards). Classification of waste for HP 14 with these tests and concentration limits will agree with the European List of Waste. PMID- 29221873 TI - Modeling and prediction of regional municipal solid waste generation and diversion in Canada using machine learning approaches. AB - The main objective of this study was to develop models for accurate prediction of municipal solid waste (MSW) generation and diversion based on demographic and socio-economic variables, with planned application of generating Canada-wide MSW inventories. Models were generated by mapping residential MSW quantities with socio-economic and demographic parameters of 220 municipalities in the province of Ontario, Canada. Two machine learning algorithms, namely decision trees and neural networks, were applied to build the models. Socio-economic variables were derived from Canadian Census data at regional and municipal levels. A data pre processing and integration framework was developed in Matlab(r) computing software to generate datasets with sufficient data quantity and quality for modeling. Results showed that machine learning algorithms can be successfully used to generate waste models with good prediction performance. Neural network models had the best performance, describing 72% of variation in the data. The approach proposed in this study demonstrates the feasibility of creating tools that helps in regional waste planning by means of sourcing, pre-processing, integrating and modeling of publically available data from various sources. PMID- 29221874 TI - Re: Pentoxifylline: a review of its use in osteoradionecrosis. PMID- 29221875 TI - The application of the FRIDEX calibration of the FRAX tool to determine the absolute risk of osteoporotic fracture among Spanish women. PMID- 29221876 TI - Conventional Versus Hypofractionated Radiation Therapy for Localized Prostate Cancer: A Meta-analysis of Randomized Noninferiority Trials. AB - CONTEXT: Whether hypofractionated radiation therapy (RT) compared with conventionally fractionated RT provides comparable or possibly improved cancer control without increased toxicity in localized prostate cancer (PC) remains unknown. OBJECTIVE: Realizing from the CHHiP trial that outcomes are highly sensitive to the dose fractionation schedule and number of treatments, we conducted a systematic review and meta-analysis selecting only the randomized noninferiority trials, because the randomized arms closely approximated one another in terms of the dose fractionation schedule, and compared cancer control and toxicity of hypofractionated RT with conventionally fractionated RT for localized PC. EVIDENCE ACQUISITION: Randomized noninferiority trials evaluating hypofractionated (2.4-4Gy daily fractions for 15-30 treatments) versus conventionally fractionated RT (1.8-2Gy daily fractions for 40-45 treatments) in men with localized PC were selected. Studies that were not noninferiority trials, used extreme hypofractionation, or treated metastatic disease were excluded. Three studies were retained for analysis. Data were pooled using a random-effects model to determine hazard ratio (HR) and risk ratio (RR). Heterogeneity was assessed via chi-square test, I2 statistics, and metaregression. The primary outcome was disease-free survival (DFS), defined as death from any cause or biochemical, local, regional, or distant progression. EVIDENCE SYNTHESIS: Of the 5484 men, 3553 (64.8%) had intermediate-risk PC. Hypofractionated RT as compared with conventionally fractionated RT was associated with significantly improved DFS (HR 0.869; 95% confidence interval [CI], 0.757, 0.998; p=0.047), whereas overall survival was not (HR 0.84; 95% CI, 0.66, 1.07; p=0.16). Acute grade 2 or higher gastrointestinal toxicity was significantly increased with hypofractionation (RR 1.42; 95% CI 1.15, 1.77; p=0.002); however, this did not translate into late grade 2 or higher gastrointestinal toxicity. An increase in late grade 2 or higher genitourinary complications was observed (RR 1.18; 95% CI 0.98, 1.43; p=0.08). CONCLUSIONS: Hypofractionated RT as compared with conventionally fractionated RT could improve DFS in men with intermediate-risk PC and, therefore, would be reasonable to consider in men who do not have risk factors for late genitourinary complications. PATIENT SUMMARY: Treatment with a shorter course of radiation, using higher doses per treatment over fewer days, may be the preferred approach in appropriately selected patients with localized prostate cancer. PMID- 29221877 TI - Guide to research in academic global surgery: A statement of the Society of University Surgeons Global Academic Surgery Committee. AB - Global surgery is an emerging academic discipline that is developing in tandem with numerous policy and advocacy initiatives. In this regard, academic global surgery will be crucial for measuring the progress toward improving surgical care worldwide. However, as a nascent academic discipline, there must be rigorous standards for the quality of work that emerges from this field. In this white paper, which reflects the opinion of the Global Academic Surgery Committee of the Society for University Surgeons, we discuss the importance of research in global surgery, the methodologies that can be used in such research, and the challenges and benefits associated with carrying out this research. In each of these topics, we draw on existing examples from the literature to demonstrate our points. We conclude with a call for continued, high-quality research that will strengthen the discipline's academic standing and help us move toward improved access to and quality of surgical care worldwide. PMID- 29221878 TI - Universal insurance and an equal access healthcare system eliminate disparities for Black patients after traumatic injury. AB - BACKGROUND: Although inequities in trauma care are reported widely, some groups have theorized that universal health insurance would decrease disparities in care for disadvantaged minorities after a traumatic injury. We sought to examine the presence of racial disparities in outcomes and healthcare utilization at 30- and 90-days after discharge in this universally insured, racially diverse, American population treated for traumatic injuries. METHODS: This work studied adult beneficiaries of TRICARE treated at both military and civilian trauma centers 2006-2014. We included patients with an inpatient trauma encounter based on International Classification of Diseases, 9th revision (ICD-9) code. The mechanism and severity of injury, medical comorbidities, region and environment of care, and demographic factors were used as covariates. Race was considered the main predictor variable with Black patients compared to Whites. Logistic regression models were employed to assess for risk-adjusted differences in 30- and 90-day outcomes between Blacks and Whites. RESULTS: A total of 87,112 patients met the inclusion criteria. Traditionally encountered disparities for Black patients after trauma, including increased rates of mortality, were absent. We found a statistically significant decrease in the odds of 90-day complications for Blacks (OR 0.91; 95% CI 0.84-0.98; P = 0.01). Blacks also had lesser odds of readmission at 30-days (OR 0.87; 95% CI 0.79-0.94; P = 0.002) and 90-days (OR 0.86; 95% CI 0.79-0.93; P < 0.001). CONCLUSION: Our findings support the idea that in a universally insured, equal access system, historic disparities for racial and ethnic minorities, including increased postinjury morbidity, hospital readmission, and postdischarge healthcare utilization, are decreased or even eliminated. PMID- 29221879 TI - Surveillance of patients with intraductal papillary mucinous neoplasm with and without pancreatectomy with special reference to the incidence of concomitant pancreatic ductal adenocarcinoma. AB - BACKGROUND: The presence of an intraductal papillary mucinous neoplasm is important in the detection of concomitant pancreatic ductal adenocarcinoma. The aim of this study was to elucidate the incidence and timing of development of concomitant pancreatic ductal adenocarcinoma in patients with and without pancreatectomy for intraductal papillary mucinous neoplasm. METHODS: We reviewed retrospectively the surveillance data for 22 patients who underwent pancreatectomy for pancreatic ductal adenocarcinoma concomitant with intraductal papillary mucinous neoplasm (pancreatic ductal adenocarcinoma-resection group), 180 who underwent pancreatectomy for intraductal papillary mucinous neoplasm (intraductal papillary mucinous neoplasm-resection group), and 263 whose intraductal papillary mucinous neoplasms were left untreated (nonresection group). The incidence and timing of the development of a concomitant pancreatic ductal adenocarcinoma during the surveillance of patients with and without partial pancreatectomy for intraductal papillary mucinous neoplasm were investigated using the Kaplan-Meier method. RESULTS: During a median surveillance period of 40 months (range 6-262 months), 5 patients in the pancreatic ductal adenocarcinoma-resection group, 6 in the intraductal papillary mucinous neoplasm resection group, and 8 in the nonresection group developed concomitant pancreatic ductal adenocarcinoma. The estimated 5-year (17%) and 10-year (56%) cumulative incidences of secondary pancreatic ductal adenocarcinoma in the pancreatic ductal adenocarcinoma-resection group were significantly greater than those in the other two groups (P < .01). Conversely, the difference in the estimated cumulative incidence of concomitant pancreatic ductal adenocarcinoma between the intraductal papillary mucinous neoplasm-resection and nonresection groups was not significant (5-year, 5.0% vs 2.2%; 10-year, 5.0% vs 8.7%; P = .87). CONCLUSION: Long-term (>=5-year) surveillance in patients with intraductal papillary mucinous neoplasm is necessary and important because of the potential for development of concomitant pancreatic ductal adenocarcinoma. Those with a history of resection of concomitant pancreatic ductal adenocarcinoma at the time of the initial operation are at quite high risk for the development of secondary pancreatic ductal adenocarcinoma. PMID- 29221880 TI - Hemodialysis catheter colonized by Pandoraea spotorum. PMID- 29221881 TI - Hepatotoxicity associated with eculizumab in a patient with atypical hemolytic uremic syndrome. PMID- 29221882 TI - Effective inhibition of Cbf-14 against Cryptococcus neoformans infection in mice and its related anti-inflammatory activity. AB - Cbf-14 (RLLRKFFRKLKKSV), a designed peptide derived from cathelicidin family AMP, has proven to be potent against drug-resistant bacteria. In the present study, we investigated the anti-cryptococcal activity of Cbf-14 in vitro and in a pulmonary infection mouse model. Sensitivity test indicated that Cbf-14 possessed effective antifungal activity against Cryptococcus neoformans with an MIC of 4-16 ug/ml, and killing experiments showed that fungicidal activity was achieved after only 4 h treatment with Cbf-14 at 4* MIC concentrations in vitro. Meanwhile, Cbf-14 was effective at prolonging the survival of infected mice when compared with controls, and significantly inhibited the secretion of pro-inflammatory cytokines TNF-alpha, IL-1beta and IL-6, suggesting its anti-inflammatory activity against fungal infections. As a positively charged peptide, Cbf-14 was proven to neutralize the negative zeta potential of the fungal cell surface, disrupt the capsule polysaccharide of fungi, and further damage cell membrane integrity. These results were confirmed by flow cytometry analysis of the fluorescence intensity after PI staining, while cell membrane damage could be clearly observed by transmission electron microscopy after Cbf-14 (4* MIC) treatment for 1 h. In addition, Cbf-14 increased the IL-10 levels in cultured RAW 264.7 cells, which were stimulated by C. neoformans infection. The obtained data demonstrated that Cbf-14 could rapidly kill C. neoformans cells in vitro, effectively inhibit C. neoformans induced-infection in mice, and inhibit inflammation in vitro / vivo. Therefore, Cbf-14 could potentially be used for the treatment of fungal infections clinically. PMID- 29221883 TI - Anti-neuroinflammatory effects of sesquiterpenoids isolated from Nardostachys jatamansi. AB - Two new nardosinone-type sesquiterpenoids, namely kanshone J (1) and kanshone K (2) along with seven known terpenoids (3-9) were isolated from the rhizomes and roots of Nardostachys jatamansi DC (Valerianaceae). The structures of these compounds were determined mainly by analysis of 1D-, 2D-NMR and MS data. In addition, the absolute configuration of compound 1 was assigned by application of the modified Mosher's method. In an initial assay to evaluate their anti neuroinflammatory effects, compounds 1-5 and 9 exhibited dose-dependent inhibitory effects on lipopolysaccharide (LPS)-induced nitric oxide (NO) production in BV2 cells, with IC50 values ranging from 2.43 to 46.54 MUM. Particularly, desoxo-narchinol A (3) and narchinol B (4) significantly inhibited LPS-induced NO overproduction in BV2 cells with IC50 values of 3.48 +/- 0.47 and 2.43 +/- 0.23 MUM, respectively. Furthermore, compounds 3 and 4 exhibited anti neuroinflammatory effects by inhibiting the production of pro-inflammatory mediators, including prostaglandin E2 (PGE2), inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2) proteins, and pro-inflammatory cytokines, such as interleukin (IL)-1beta, IL-6, and tumor necrosis factor-alpha (TNF) alpha, in LPS-stimulated BV2 and primary microglial cells. PMID- 29221884 TI - [Efficacy and tolerance of tocilizumab for corticosteroid sparing in giant cell arteritis and aortitis: Experience of Nimes University Hospital about eleven patients]. AB - INTRODUCTION: Giant cell arteritis is a large-vessels vasculitis, which treatment consists in a slowly-tappered steroid-therapy. Immunosuppressive agents are sometimes used in case of steroid-dependance. We have conducted an observationnal retrospective study including patients treated with tocilizumab for a giant cell arteritis or an aortitis in the internal medicine department at the Nimes University Hospital. RESULTS: Eleven patients were included between 2011 and 2016, who had been treated only with prednisone. Tocilizumab was used because of steroid-dependance for nine patients, delirium under steroids for one patient and unefficiency of steroids for an other patient. Infusions of tocilizumab, administred monthly at 8mg/kg, led to clinical and biological remission for all patients. Consequently, prednisone was tappered under 10mg/d for ten patients after six months of treatment with tocilizumab. Eight cases of non-severe infection were reported; also two cases of dyslipidemia, one case of prurit and one case of moderate neutropenia. Two relapses were observed after the end of treatment, in patients treated with less than twelve infusions. CONCLUSION: Tocilizumab could be efficient and well-tolerated in steroid-dependent giant cell arteritis and aortitis. The modalities of its use remain to be precised. PMID- 29221885 TI - [Design of a questionnaire on the knowledge and attitudes of the population of Madrid (Spain) facing the end-of-life]. AB - OBJECTIVE: To create and validate a questionnaire about knowledge and attitudes of the general population in Madrid (Spain) about life's end stage. METHOD: A descriptive study designed as a structured self-administered questionnaire, validated by seven Madrid Health Service professional experts and assessed through a pilot study. RESULTS: The questionnaire consisted of 42 questions, divided into six modules: 1) decisions and psychological-physical care at life's end; 2) palliative care; 3) euthanasia and assisted suicide; 4) advance directives document; 5) spiritual factors; and 6) socio-demographic data. CONCLUSIONS: The questionnaire was a useful, indirect method to ascertain the opinion of life's end in the Autonomous Region of Madrid. If it were applied in primary health care and hospital care, comparisons could be made among users in different autonomous regions of Spain. PMID- 29221886 TI - A model including sarcopenia surpasses the MELD score in predicting waiting list mortality in cirrhotic liver transplant candidates: a competing risk analysis in a national cohort. AB - BACKGROUND & AIMS: Frail patients with low model for end-stage liver disease (MELD) scores may be under-prioritised. Low skeletal muscle mass, namely sarcopenia, has been identified as a risk factor for waiting list mortality. A recent study proposed incorporating sarcopenia in the MELD score (MELD-Sarcopenia score). We aimed to investigate the association between sarcopenia and waiting list mortality, and to validate the MELD-Sarcopenia score (i.e. MELD + 10.35 * Sarcopenia). METHODS: We identified consecutive patients with cirrhosis listed for liver transplantation in the Eurotransplant registry between 2007-2014 and measured skeletal muscle mass on computed tomography. A competing risk analysis was used to compare survival of patients with and without sarcopenia, and concordance (c) indices were calculated to assess performance of the MELD and MELD-Sarcopenia score. We created a nomogram of the best predictive model. RESULTS: We included 585 patients with a median MELD score of 14 (interquartile range 9-19), of which 254 (43.4%) were identified as having sarcopenia. Median waiting list survival was shorter in patients with sarcopenia than those without (p <0.001). This effect was even more pronounced in patients with MELD <=15. The discriminative performance of the MELD-Sarcopenia score (c-index 0.820) for three month mortality was lower than MELD score alone (c-index 0.839). Apart from sarcopenia and MELD score, other predictive variables were occurrence of hepatic encephalopathy before listing and recipient age. A model including all these variables yielded a c-index of 0.851. CONCLUSIONS: Sarcopenia was associated with waiting list mortality in liver transplant candidates with cirrhosis, particularly in patients with lower MELD scores. The MELD-Sarcopenia score was successfully validated in this cohort. However, incorporating sarcopenia in the MELD score had limited added value in predicting waiting list mortality. LAY SUMMARY: In this study among patients with liver cirrhosis listed for liver transplantation, low skeletal muscle mass was associated with mortality on the waiting list, particularly in patients who were listed with low priority based on a low MELD score. However, adding these measurements to the currently used system for donor and organ allocation showed no added value. PMID- 29221887 TI - Resistance analysis in patients with genotype 1-6 HCV infection treated with sofosbuvir/velpatasvir in the phase III studies. AB - BACKGROUND & AIMS: The fixed-dose combination of sofosbuvir/velpatasvir was highly efficacious in patients infected with genotype (GT)1-6 hepatitis C virus (HCV) in the ASTRAL studies. This analysis evaluated the impact of baseline resistance-associated substitutions (RASs) on treatment outcome and emergence of RASs in patients infected with HCV GT1-6 who were treated with sofosbuvir/velpatasvir. METHODS: Non-structural protein 5A and 5B (NS5A and NS5B) deep sequencing was performed at baseline and at the time of relapse for all patients treated with sofosbuvir/velpatasvir for 12 weeks (n = 1,778) in the ASTRAL-1-3, ASTRAL-5 and POLARIS-2-3 studies. RESULTS: Patients with 37 known and 19 novel HCV subtypes were included in these analyses. Overall, 28% (range 9% to 61% depending on genotype) had detectable NS5A class RASs at baseline, using a 15% sequencing assay cut-off. There was no significant effect of baseline NS5A class RASs on sustained virologic response at week 12 (SVR12) with sofosbuvir/velpatasvir; the SVR12 rate in the presence of NS5A class RASs was 100% and 97%, in patients with GT1a and GT1b infection, respectively, and 100% in patients with GT2 and GT4-6 infections. In GT3 infection, the SVR rate was 93% and 98% in patients with and without baseline NS5A class RASs, respectively. The overall virologic failure rate was low (20/1,778 = 1.1%) in patients treated with sofosbuvir/velpatasvir. Single NS5A class resistance was observed at virologic failure in 17 of the 20 patients. CONCLUSIONS: Sofosbuvir/velpatasvir taken for 12 weeks once daily resulted in high SVR rates in patients infected with GT1-6 HCV, irrespective of baseline NS5A RASs. NS5A inhibitor resistance, but not sofosbuvir resistance, was detected in the few patients with virologic failure. These data highlight the high barrier to resistance of this regimen for the treatment of chronic HCV across all genotypes in the vast majority of patients. LAY SUMMARY: Sofosbuvir/velpatasvir taken once daily for 12 weeks resulted in high sustained virologic response rates in patients infected with HCV, irrespective of the presence of NS5A resistance-associated variants prior to treatment. Single class NS5A inhibitor resistance, but not sofosbuvir resistance, was detected in the few patients with virologic failure. These data highlight the high barrier to resistance of this regimen for the treatment of chronic HCV across all genotypes in the vast majority of patients. PMID- 29221889 TI - On Exploring Vocal Ornamentation in Byzantine Chant. AB - OBJECTIVES: A special vocal ornament in Byzantine chant (BC), the single cycle ornamentation structure (SCOS), is defined and compared with the vibrato with respect to its time (rate, extent) and spectral (slope [SS], relative speaker's formant [SPF] level, formant frequencies [Fi] and bandwidths [Bi], and noise-to harmonics ratio [NHR]) characteristics. STUDY DESIGN: This is a comparative study between the vocal ornaments of SCOS and vibrato, of which time and spectral acoustic parameters were measured, statistically analyzed, and compared. METHODS: From the same hymn recordings chanted by four chanters, the SS, SPF level, FFi, FBi, and NHR difference values between the vocal ornament and its neighbor steady note, and the rate and extent, were compared with those of vibrato. RESULTS: The mean extent values for SCOS were found to be almost double the corresponding values for vibrato, and the rate of SCOS tends to be different from the rate of vibrato. The difference values of: 1) the NHR, 2) the spectral slope, and 3) the SPF level, between the vocal ornament and its neighbor steady note were found to be: 1) higher for SCOS, 2) mainly lower for SCOS, and 3) lower for SCOS, respectively. No significant differences were detected for the FFi and FBi. The FF1 differences tend to be negative in both ornaments indicating a formant tuning effect. CONCLUSIONS: A new vocal ornament (SCOS) in BC is studied, of which the extent, NHR (HNR), the spectral slope, and the SPF level are different compared to those of vibrato. PMID- 29221891 TI - The evolution of host defence to parasitism in fluctuating environments. AB - Given rapidly changing environments, it is important for us to understand how the evolution of host defence responds to fluctuating environments. Here we present the first theoretical study of evolution of host resistance to parasitism in a classic epidemiological model where the host birth rate varies seasonally. We show that this form of seasonality has clear qualitative and quantitative impacts on the evolution of resistance. When the host can recover from infection, it evolves a lower level of defence when the amplitude is high. However, when recovery is absent, the host increases its defence for higher amplitudes. Between these different behaviours we find a region of parameter space that allows evolutionary bistability. When this occurs, the level of defence the host evolves depends on initial conditions, and in some cases a switch between attractors can lead to different periods in the population dynamics at each of the evolutionary stable strategies. Crucially, we find that evolutionary behaviour found in a constant environment for this model doesn't always hold for hosts with highly variable birth rates. Hence we argue that seasonality must be taken into account if we want to make predictions about evolutionary trends in real-world host parasite systems. PMID- 29221890 TI - 22nd International Conference on Medical Physics 2016, Bangkok, Thailand; Medical physics propelling global health. AB - As medical technology evolves and patient needs increase, the need for well trained and highly professional medical physicists (MPs) becomes even more urgent. The roles and responsibilities of MPs in various departments within the hospital are diverse and demanding. It is obvious that training, continuing education and professional development of MPs have become essential. One of the ways for an MP to advance his or her knowledge is to participate in conferences and congresses. Last year, the 22nd International Conference of Medical Physics (ICMP 2016) took place in Bangkok, Thailand. The event attracted 584 delegates with most of the participants coming from Asia. It attracted also delegates from 42 countries. The largest delegations were from Thailand, Japan and South Korea. ICMP 2016 included 367 oral presentations and e-posters, most of these being in the fields of Radiation Therapy, Medical Imaging and Radiation Safety. All abstracts were published as an e-book of Abstracts in a supplement to the official IOMP Journal. Many companies had exhibition stands at ICMP2016, thus allowing the participants to see the latest developments in the medical physics related industry. The conference included 42 mini-symposia, part of the first "IOMP School" activity, covering various topics of importance for the profession and this special issue follows from the success of the conference. PMID- 29221892 TI - Coevolution of nonlinear group interactions and strategies in well-mixed and structured populations. AB - In microbial populations and human societies, the rule of nonlinear group interactions strongly affects the intraspecific evolutionary dynamics, which leads to the variation of the strategy composition eventually. The consequence of such variation may retroact to the rule of the interactions. This correlation indicates that the rule of nonlinear group interactions may coevolve with individuals' strategies. Here, we develop a model to investigate such coevolution in both well-mixed and structured populations. In our model, positive and negative correlations between the rule and the frequency of cooperators are considered, with local and global information. When the correlation refers to the global information, we show that in well-mixed populations, the coevolutionary outcomes cover the scenarios of defector dominance, coexistence, and bi stability. Whenever the population structure is considered, its impact on the coevolutionary dynamics depends on the type of the correlation: with a negative (positive) correlation, population structure promotes (inhibits) the evolution of cooperation. Furthermore, when the correlation is based on the more accessible local information, we reveal that a negative correlation pushes cooperators into a harsh situation whereas a positive one lowers the barriers for cooperators to occupy the population. All our analytical results are validated by numerical simulations. Our results shed light on the power of the coevolution of nonlinear group interactions and evolutionary dynamics on generating various evolutionary outcomes, implying that the coevolutionary framework may be more appropriate than the traditional cases for understanding the evolution of cooperation in both structureless and structured populations. PMID- 29221893 TI - Cardioprotective effect of influenza and pneumococcal vaccination in patients with cardiovascular diseases. AB - Due to the wide interaction between the respiratory and the circulatory systems, influenza and pneumococcal vaccinations are recommended in the prevention and treatment of cardiovascular diseases. The review summarizes the results of recent studies and meta-analyses demonstrating that in this group of high-risk patients both vaccinations have potentially beneficial properties. However, in the era of Evidence Base Medicine, there is still a lack of randomized prospective clinical trials, especially those evaluating the effect of pneumococcal vaccination. As the burden of cardiovascular diseases represents various pathologies, it is important to point that the beneficial effect of vaccination is more pronounced in the atherosclerotic etiology, especially in patients after recent coronary events. This information contributes significantly to the appreciation of the role of the adaptive and innate immunity in atherosclerosis, which is now considered as immuno-inflammatory process driven by LDL-cholesterol intimal infiltration and macrophages activation. The mechanism of the cardioprotective effect of vaccination may not only be associated with the elimination of infections and their complications, but also related to the modification of the immuno-inflammatory model of atherosclerosis. PMID- 29221894 TI - Efficacy of an inactivated Mycoplasma hyorhinis vaccine in pigs. AB - Lameness and polyserositis in pigs caused by Mycoplasma hyorhinis are generally treated with antibiotics and may require multiple doses. The costs of these antibiotics combined with economic losses from culling and reduced feed conversion due to lameness are hardships to the swine producer. In this study we have demonstrated efficacy of an inactivated M. hyorhinis vaccine administered to three-week old caesarian-derived colostrum-deprived piglets. Three doses of vaccine (high, medium, and low) were evaluated and compared to a placebo control. Mycoplasma hyorhinis challenge occurred three weeks after vaccination. Pigs were observed for lameness and respiratory distress for three weeks following challenge. Pigs were then euthanized and a gross pathological evaluation for polyserositis and arthritis was performed. A minimum immunizing dose of vaccine was defined as containing at least 7.41 * 107 CCU of M. hyorhinis per 2.0 mL dose as represented by the medium dose vaccine. This vaccine provided significant reductions in lameness and pericarditis with preventive fractions of 0.76 (95% CI [0.26, 0.92]) and 0.58 (95% CI [0.31, 0.74]), respectively, compared to the placebo control group. A significant increase in post-challenge weight gain (P < .0001) was also achieved with this vaccine, with an average daily gain (ADG) of 0.92 lbs/day compared to 0.57 lbs/day in the placebo group. PMID- 29221895 TI - Report on eighth WHO meeting on development of influenza vaccines that induce broadly protective and long-lasting immune responses: Chicago, USA, 23-24 August 2016. AB - In August 2016, the World Health Organization (WHO) convened the "Eighth meeting on development of influenza vaccines that induce broadly protective and long lasting immune responses" to discuss the regulatory requirements and pathways for licensure of next-generation influenza vaccines, and to identify areas where WHO can promote the development of such vaccines. Participants included approximately 120 representatives of academia, the vaccine industry, research and development funders, and regulatory and public health agencies. They reviewed the draft WHO preferred product characteristics (PPCs) of vaccines that could address prioritized unmet public health needs and discussed the challenges facing the development of such vaccines, especially for low- and middle-income countries (LMIC). They defined the data desired by public-health decision makers globally and explored how to support the progression of promising candidates into late stage clinical trials and for all countries. This report highlights the major discussions of the meeting. PMID- 29221897 TI - Comparative mechanical unfolding studies of spectrin domains R15, R16 and R17. AB - Spectrins belong to repetitive three-helix bundle proteins that have vital functions in multicellular organisms and are of potential value in nanotechnology. To reveal the unique physical features of repeat proteins we have studied the structural and mechanical properties of three repeats of chicken brain alpha-spectrin (R15, R16 and R17) at the atomic level under stretching at constant velocities (0.01, 0.05 and 0.1 A.ps-1) and constant forces (700 and 900 pN) using molecular dynamics (MD) simulations at T = 300 K. 114 independent MD simulations were performed and their analysis has been done. Despite structural similarity of these domains we have found that R15 is less mechanically stable than R16, which is less stable than R17. This result is in agreement with the thermal unfolding rates. Moreover, we have observed the relationship between mechanical stability, flexibility of the domains and the number of aromatic residues involved in aromatic clusters. PMID- 29221896 TI - Correlative imaging reveals physiochemical heterogeneity of microcalcifications in human breast carcinomas. AB - Microcalcifications (MCs) are routinely used to detect breast cancer in mammography. Little is known, however, about their materials properties and associated organic matrix, or their correlation to breast cancer prognosis. We combine histopathology, Raman microscopy, and electron microscopy to image MCs within snap-frozen human breast tissue and generate micron-scale resolution correlative maps of crystalline phase, trace metals, particle morphology, and organic matrix chemical signatures within high grade ductal carcinoma in situ (DCIS) and invasive cancer. We reveal the heterogeneity of mineral-matrix pairings, including punctate apatitic particles (<2 um) with associated trace elements (e.g., F, Na, and unexpectedly Al) distributed within the necrotic cores of DCIS, and both apatite and spheroidal whitlockite particles in invasive cancer within a matrix containing spectroscopic signatures of collagen, non-collagen proteins, cholesterol, carotenoids, and DNA. Among the three DCIS samples, we identify key similarities in MC morphology and distribution, supporting a dystrophic mineralization pathway. This multimodal methodology lays the groundwork for establishing MC heterogeneity in the context of breast cancer biology, and could dramatically improve current prognostic models. PMID- 29221898 TI - Exercise merging physical and cognitive stimulation improves physical fitness and cognitive functioning in older nursing home residents: a pilot study. AB - The main purpose of this pilot study was to examine the feasibility and the effects of a multimodal exercise intervention on the physical and cognitive functioning of institutionalized older people. Twenty-one older adults (83.5 +/- 4.9 years) living in two nursing home residences, were tested on two occasions 4 weeks apart to establish a baseline measure, and then engage in the exercise program twice weekly for 8 weeks. Participants were tested again after the exercise program. Almost all physical fitness and cognitive tests were unchanged at baseline measures, but after the exercise program, significant improvements (p < 0.05) were found in all physical fitness variables (strength, cardiorespiratory endurance, flexibility and balance) and in the majority of cognitive variables (visual attention, executive functioning and information processing speed). Exercise merging physical and cognitive stimulation could have broad impacts in the individual's level of functioning and should be promoted in nursing home residences for the elderly. PMID- 29221899 TI - C-statistic: A brief explanation of its construction, interpretation and limitations. PMID- 29221900 TI - Editorial overview: Food biotechnology: Exploration and exploitation of microbial resources to address the need for sustainable production of safe, healthy and nutritious food. PMID- 29221901 TI - Role of heel lifting in standing balance recovery: A simulation study. AB - Although lifting the heels has frequently been observed during balance recovery, the function of this movement has generally been overlooked. The present study aimed to investigate the functional role of heel lifting during regaining balance from a perturbed state. Computer simulation was employed to objectively examine the effect of allowing/constraining heel lifting on balance performance. The human model consisted of 3 rigid body segments connected by frictionless joints. Movements were driven by joint torques depending on current joint angle, angular velocity, and activation level. Starting from forward-inclined and static straight-body postures, the optimization goal was to recover balance effectively (so that ground projection of the mass center returned to the inside of the base of support) and efficiently by adjusting ankle and hip joint activation levels. Allowing/constraining heel lifting resulted in virtually identical movements when balance was mildly perturbed at the smallest lean angle (8 degrees ). At larger lean angles (8.5 degrees and 9 degrees ), heel lifting assisted balance recovery more evidently with larger joint movements. Partial and altered timings of ankle/hip torque activation due to constraining heel lifting reduced linear and angular momentum generation for avoiding forward falling, and resulted in hindered balancing performance. PMID- 29221902 TI - A comparison of patellofemoral cartilage morphology and deformation in anterior cruciate ligament deficient versus uninjured knees. AB - Anterior cruciate ligament (ACL) deficient patients have an increased rate of patellofemoral joint (PFJ) osteoarthritis (OA) as compared to the general population. Although the cause of post-injury OA is multi-factorial, alterations in joint biomechanics may predispose patients to cartilage degeneration. This study aimed to compare in vivo PFJ morphology and mechanics between ACL deficient and intact knees in subjects with unilateral ACL ruptures. Eight male subjects underwent baseline MRI scans of both knees. They then performed a series of 60 single-legged hops, followed by a post-exercise MRI scan. This process was repeated for the contralateral knee. The MR images were converted into three dimensional surface models of cartilage and bone in order to assess cartilage thickness distributions and strain following exercise. Prior to exercise, patellar cartilage was significantly thicker in intact knees as compared to ACL deficient knees by 1.8%. In response to exercise, we observed average patellar cartilage strains of 5.4 +/- 1.1% and 2.5 +/- 1.4% in the ACL deficient and intact knees, respectively. Importantly, the magnitude of patellar cartilage strain in the ACL deficient knees was significantly higher than in the intact knees. However, while trochlear cartilage experienced a mean strain of 2.4 +/- 1.6%, there was no difference in trochlear cartilage strain between the ACL deficient and uninjured knees. In summary, we found that ACL deficiency was associated with decreased patellar cartilage thickness and increased exercise induced patellar cartilage strain when compared to the uninjured contralateral knees. PMID- 29221903 TI - Discrete element analysis is a valid method for computing joint contact stress in the hip before and after acetabular fracture. AB - Evaluation of abnormalities in joint contact stress that develop after inaccurate reduction of an acetabular fracture may provide a potential means for predicting the risk of developing post-traumatic osteoarthritis. Discrete element analysis (DEA) is a computational technique for calculating intra-articular contact stress distributions in a fraction of the time required to obtain the same information using the more commonly employed finite element analysis technique. The goal of this work was to validate the accuracy of DEA-computed contact stress against physical measurements of contact stress made in cadaveric hips using Tekscan sensors. Four static loading tests in a variety of poses from heel-strike to toe off were performed in two different cadaveric hip specimens with the acetabulum intact and again with an intentionally malreduced posterior wall acetabular fracture. DEA-computed contact stress was compared on a point-by-point basis to stress measured from the physical experiments. There was good agreement between computed and measured contact stress over the entire contact area (correlation coefficients ranged from 0.88 to 0.99). DEA-computed peak contact stress was within an average of 0.5 MPa (range 0.2-0.8 MPa) of the Tekscan peak stress for intact hips, and within an average of 0.6 MPa (range 0-1.6 MPa) for fractured cases. DEA-computed contact areas were within an average of 33% of the Tekscan measured areas (range: 1.4-60%). These results indicate that the DEA methodology is a valid method for accurately estimating contact stress in both intact and fractured hips. PMID- 29221904 TI - Tensile behaviour of individual fibre bundles in the human lumbar anulus fibrosus. AB - Disc degeneration is a common medical affliction whose origins are not fully understood. An improved understanding of its underlying mechanisms could lead to the development of more effective treatments. The aim of this paper was to investigate the effect of (1) degeneration, (2) circumferential region and (3) strain rate on the microscale mechanical properties (toe region modulus, linear modulus, extensibility, phase angle) of individual fibre bundles in the anulus fibrosus lamellae of the human intervertebral disc. Healthy and degenerate fibre bundles excised from different circumferential regions in the outer anulus (posterolateral, lateral, anterolateral, anterior) were tensile tested at slow (0.1%/s), medium (1%/s) and fast (10%/s) strain rates using a micromechanical testing system. Our preliminary results showed that neither degeneration nor circumferential region significantly affected the fibre bundles' mechanical behaviour. However, when the fibre bundles were tested at higher strain rates, this resulted in significantly higher linear moduli and lower phase angles. These findings, compared with data from other studies investigating single and multiple lamellae sections, suggest that degeneration has minimal effect on outer anulus mechanics irrespective of structural level, and the inter- and intra-lamellar arrangement and continuity of the fibre bundles may influence the lamellae's regional behaviour and viscoelasticity. PMID- 29221905 TI - Neurexins and neuropsychiatric disorders. AB - Neurexins are a family of presynaptic single-pass transmembrane proteins that act as synaptic organizers in mammals. The neurexins consist of three genes (NRXN1, NRXN2, and NRXN3), each of which produces a longer alpha- and shorter beta-form. Genomic alterations in NRXN genes have been identified in a wide variety of neuropsychiatric disorders, including autism spectrum disorders (ASD), schizophrenia, intellectual disability (ID), and addiction. Remarkably, a bi allelic deficiency of NRXN1 was recently linked to Pitt-Hopkins syndrome. The fact that some mono-allelic functional variants of NRXNs are also found in healthy controls indicates that other genetic or environmental factors affect the penetrance of NRXN deficiency. In this review, we summarize the common research methods and representative results of human genetic studies that have implicated NRXN variants in various neuropsychiatric disorders. We also summarize studies of rodent models with NRXN deficiencies that complement our knowledge of human genetics. PMID- 29221907 TI - Coupling of exocytosis and endocytosis at the presynaptic active zone. AB - Brain function depends on the ability of neurons to communicate with each other via the regulated exocytosis of neurotransmitter-containing synaptic vesicles (SVs) at specialized presynaptic release sites termed active zones (AZs). The presynaptic AZ comprises an assembly of large multidomain proteins that link the machinery for vesicle fusion to sites of voltage-dependent Ca2+ entry. Following SV fusion at AZ release sites SV membranes are retrieved by compensatory endocytosis, and SVs are reformed. Recent data suggest that Ca2+-triggered SV exocytosis at AZs and endocytic retrieval of SVs may be functionally and physically linked. Here we discuss the evidence supporting such exo-endocytic coupling as well as possible modes and mechanisms that may underlie coupling of exocytosis and endocytosis at and around AZs in presynaptic nerve terminals. As components of the exo-endocytic machinery at synapses have been linked to neurological and neuropsychiatric disorders, understanding the mechanisms that couple exocytosis and endocytosis at AZs may be of importance for developing novel therapies to treat these diseases. PMID- 29221908 TI - How to maintain active zone integrity during high-frequency transmission. AB - In the central nervous system, the frequency at which reliable synaptic transmission can be maintained varies strongly between different types of synapses. Several pre- and postsynaptic processes must interact to enable high frequency synaptic transmission. One of the mechanistically most challenging issues arises during repetitive neurotransmitter release, when synaptic vesicles fuse in rapid sequence with the presynaptic plasma membrane within the active zone (AZ), potentially interfering with the structural integrity of the AZ itself. Here we summarize potential mechanisms that help to maintain AZ integrity, including arrangement and mobility of release sites, calcium channel mobility, as well as release site clearance via lateral diffusion of vesicular proteins and via endocytotic membrane retrieval. We discuss how different types of synapses use these strategies to maintain high-frequency synaptic transmission. PMID- 29221909 TI - Maintaining the active zone: Demand, supply and disposal of core active zone proteins. AB - Chemical synapses are sites of cell-cell contact specialized for transmission of signals between neurons and their respective targets. Neurotransmission occurs through the secretion of neurotransmitters at specialized presynaptic membrane regions known as Active Zones (AZs). AZ composition and function are now characterized quite well. Much less is known, however, on the manners by which these unique specializations are maintained for weeks, months, and presumably years. Here we focus on core AZ components that make up the Cytoskeleton associated with the AZ (CAZ) - their lifetimes, their supply and their disposal. We describe recent findings on CAZ molecule turnover rates, on the synthesis and trafficking of CAZ molecules to synapses and on the manners by which they are degraded. We highlight converging findings, point to discrepancies, in particular related to temporal and spatial constraints, and try to reconcile these, where possible, by offering more inclusive interpretations. PMID- 29221906 TI - Presynaptic active zones of mammalian neuromuscular junctions: Nanoarchitecture and selective impairments in aging. AB - Neurotransmitter release occurs at active zones, which are specialized regions of the presynaptic membrane. A dense collection of proteins at the active zone provides a platform for molecular interactions that promote recruitment, docking, and priming of synaptic vesicles. At mammalian neuromuscular junctions (NMJs), muscle-derived laminin beta2 interacts with presynaptic voltage-gated calcium channels to organize active zones. The molecular architecture of presynaptic active zones has been revealed using super-resolution microscopy techniques that combine nanoscale resolution and multiple molecular identification. Interestingly, the active zones of adult NMJs are not stable structures and thus become impaired during aging due to the selective degeneration of specific active zone proteins. This review will discuss recent progress in the understanding of active zone nanoarchitecture and the mechanisms underlying active zone organization in mammalian NMJs. Furthermore, we will summarize the age-related degeneration of active zones at NMJs, and the role of exercise in maintaining active zones. PMID- 29221910 TI - Motor cortex Transcranial Direct Current Stimulation (tDCS) improves acute stroke visuo-spatial neglect: A series of four case reports. PMID- 29221911 TI - Circulating cardiodepressant factors in takotsubo syndrome: An "angle" that needs to be explored further. PMID- 29221912 TI - Variable clinical phenotype in two siblings with Aicardi-Goutieres syndrome type 6 and a novel mutation in the ADAR gene. AB - Aicardi-Goutieres syndrome (AGS) is a hereditary inflammatory encephalopathy resulting in severe neurological damage in the majority of cases. We report on two siblings with AGS6 due to compound heterozygosity for a known and a novel mutation in the ADAR gene and a strikingly variable phenotype. The first sibling presented at 12 months of age with a subacute encephalopathy following a mild respiratory infection. The child developed a spastic tetraparesis, generalized dystonia and dysarthria. In contrast, the younger sibling presented with an acute episode of neurological impairment in his third year of life, from which he recovered without sequelae within a few weeks. These findings illustrate a striking intrafamilial phenotypic variability in patients with AGS6 and describe the first case of a full recovery from an acute encephalopathy in an AGS patient. Our findings also suggest that AGS should be considered as an important differential diagnosis of an infection-triggered encephalopathy in infancy despite the absence of typical neuroimaging findings. PMID- 29221913 TI - Facial asymmetry correction with moulded helmet therapy in infants with deformational skull base plagiocephaly. AB - PURPOSE: The recommendation issued by the American Academy of Pediatrics in the early 1990s to position infants on their back during sleep to prevent sudden infant death syndrome (SIDS) has dramatically reduced the number of deaths due to SIDS but has also markedly increased the prevalence of positional skull deformation in infants. Deformation of the base of the skull occurs predominantly in very severe deformational plagiocephaly and is accompanied by facial asymmetry, as well as an altered ear position, called ear shift. Moulded helmet therapy has become an accepted treatment strategy for infants with deformational plagiocephaly. The aim of this study was to determine whether facial asymmetry could be corrected by moulded helmet therapy. MATERIALS AND METHODS: In this retrospective, single-centre study, we analysed facial asymmetry of 71 infants with severe deformational plagiocephaly with or without deformational brachycephaly who were undergoing moulded helmet therapy between 2009 and 2013. Computer-assisted, three-dimensional, soft-tissue photographic scanning was used to record the head shape before and after moulded helmet therapy. The distance between two landmarks in the midline of the face (i.e., root of the nose and nasal septum) and the right and left tragus were measured on computer-generated indirect and objective 3D photogrammetry images. A quotient was calculated between the two right- and left-sided distances to the midline. Quotients were compared before and after moulded helmet therapy. Infants without any therapy served as a control group. RESULTS: The median age of the infants before onset of moulded helmet therapy was 5 months (range 3-16 months). The median duration of moulded helmet therapy was 5 months (range 1-16 months). Comparison of the pre- and post-treatment quotients of the left vs. right distances measured between the tragus and root of the nose (n = 71) and nasal septum (n = 71) revealed a significant reduction of the asymmetry (Tragus-Nasion-Line Quotient: 0.045-0.022; p < 0.0001; Tragus-Subnasale-Line Quotient: 0.045-0.021; p < 0.0001). The control group without treatment showed no significant change in the quotient (Tragus Nasion-Line Quotient no helmet: 0.049-0.055/Tragus-Subnasale-Line Quotient no helmet: 0.039-0.055). CONCLUSION: Moulded helmet therapy can correct facial symmetry in infants with deformational plagiocephaly and associated facial and basal skull asymmetry. PMID- 29221914 TI - Microalgae as feedstock for biodiesel production under ultrasound treatment - A review. AB - The application of ultrasound in biodiesel production has recently emerged as a novel technology. Ultrasound treatment enhances the mass transfer characteristics leading to the increased reaction rate with short reaction time and potentially reduces the production cost. In this review, application of ultrasound-assisted biodiesel production using acid, base and enzyme catalysts is presented. A critical assessment of the current status of ultrasound in biodiesel production was discussed with the emphasis on using ultrasound for efficient microalgae biodiesel production. The ultrasound in the biodiesel production enhances the emulsification of immiscible liquid reactant by microturbulence generated by cavitation bubbles. The major benefit of the ultrasound-assisted biodiesel production is a reduction in reaction time. Several different methods have been discussed to improve the biodiesel production. Overall, this review focuses on the current understanding of the application of ultrasound in biodiesel production from microalgae and to provide insights into future developments. PMID- 29221916 TI - DNA methylation signatures at endoplasmic reticulum stress genes are associated with adiposity and insulin resistance. AB - A sustained activation of the unfolded protein response and the subsequent endoplasmic reticulum (ER) stress has been involved in the onset and severity of several metabolic diseases. The aim of this study was to analyze the association of DNA methylation signatures at ER stress genes with adiposity traits and related metabolic disorders. An epigenomic analysis within the Methyl Epigenome Network Association (MENA) project was conducted in an adult population (n=474). DNA methylation status in peripheral white blood cells was analyzed by a microarray approach. KEGG database was used to the characterization and discrimination of genes involved in the "protein processing in endoplasmic reticulum pathway". Anthropometric measurements and plasma metabolic profiles were analyzed. A total of 15 CpG sites at genes participating in ER pathway were strongly correlated with BMI after adjusted linear regression analyses (p<0.0001). These included cg08188400 (MAP2K7), cg20541779 (CASP12), cg24776411 (EIF2AK1), cg14190817 (HSPA5), cg21376454 (ERN1), cg06666486 (EIF2AK1), cg03211481 (DNAJC1), cg18357645 (OS9), cg05801879 (MBTPS1), cg20964082 (ERO1LB), cg17300868 (NFE2L2), cg03384128 (EIF2AK4), cg02712587 (EIF2AK4), cg04972384 (SELS), cg02240686 (EIF2AK2). Noteworthy, most of them were implicated in ER stress (p=2.9E-09). However, only methylation levels at cg20964082 (ERO1LB), cg17300868 (NFE2L2), cg05801879 (MBTPS1), and cg03384128 (EIF2AK4) also correlated with total fat mass. Interestingly, significant associations between methylation patterns at cg20964082 (ERO1LB) and cg17300868 (NFE2L2) and insulin and HOMA-IR index were found, whereas cg05801879 (MBTPS1) and cg03384128 (EIF2AK4) were correlated with triglyceride levels. This study suggests associations of methylation signatures at ER stress genes with adiposity and insulin resistance, as revealed by discriminative pathway analyses. PMID- 29221917 TI - The distal airway microbiome after lung transplantation: A driver of immune regulation? PMID- 29221915 TI - Structural brain development: A review of methodological approaches and best practices. AB - Continued advances in neuroimaging technologies and statistical modelling capabilities have improved our knowledge of structural brain development in children and adolescents. While this has provided an increasingly nuanced understanding of brain development, the field is still plagued by inconsistent findings. This review highlights the methodological diversity in existing longitudinal magnetic resonance imaging (MRI) studies on structural brain development during childhood and adolescence, and addresses how such variation might contribute to inconsistencies in the literature. We discuss the impact of method choices at multiple decision points across the research process, from study design and sample selection, to image processing and statistical analysis. We also highlight the extent to which different methodological considerations have been empirically examined, drawing attention to specific areas that would benefit from future investigation. Where appropriate, we recommend certain best practices that would be beneficial for the field to adopt, including greater completeness and transparency in reporting methods, in order to ultimately develop an accurate and detailed understanding of normative child and adolescent brain development. PMID- 29221918 TI - Low Variability in Peak Expiratory Flow Predicts Successful Inhaled Corticosteroid Step-Down in Adults with Asthma. AB - BACKGROUND: The prognosis for patients beyond 1 year after reduction of their inhaled corticosteroid (ICS) dose remains unknown. Predictive factors that can be evaluated before the initiation of asthma treatment or at ICS dose reduction are unknown. METHODS: We prospectively studied 223 patients in 6 hospitals in the National Hospital Organization of Japan during the 36 months after 50% reduction of their daily ICS dose. All patients recorded their morning and evening peak expiratory flows (PEFs) in their diaries. Lung function, bronchial hyperresponsiveness, fractional nitric oxide levels, number of eosinophils in sputum, and serum IgE levels were measured in most patients. Serum levels of IL 10, IL-33, and thymic stromal lymphopoietin before ICS dose reduction were measured in all patients. RESULTS: During the 36-month study period, asthma control was retained in 127 (59.6%) of the 213 enrolled patients who underwent ICS dose reduction. Multivariate logistic regression analysis revealed that, at the initiation of dose reduction, the factors most predictive of maintenance of asthma control after ICS dose reduction were a low serum IL-33 level (P < .01), low PEF variability over 1 week (P = .014), childhood onset of asthma (at age <10 years) (P = .03), and high serum IL-10 level (P = .035). CONCLUSIONS: We demonstrated that low PEF variability over 1 week, high serum IL-10 level, and low serum IL-33 concentration were useful factors for predicting that an adult's asthma will remain in control for months to years after a 50% reduction in the daily ICS dose. PMID- 29221920 TI - Treatment of Infected Aneurysm with Combined Endovascular Aneurysm Repair and Abscess Drainage. AB - PURPOSE: To evaluate the clinical utility of combination therapy with endovascular aneurysm repair (EVAR) and abscess drainage for the treatment of infected aneurysms. MATERIALS AND METHODS: Between July 2009 and May 2015, 8 patients underwent combination therapy with EVAR and abscess drainage. There were 5 men and 3 women, with a mean age of 75 years +/- 7. Aneurysms were of the thoracic aorta in 5 patients, the abdominal aorta in 2, and the internal iliac artery in 1. Four patients had concurrent infection, including pyelonephritis in 2, pelvic abscess in 1, and suppurative knee arthritis in 1. Three patients had ruptured aneurysms. Abscess drainage was performed percutaneously under computed tomographic guidance in 5 patients, thoracoscopic guidance in 2, and both in 1. RESULTS: Six patients (75%) were discharged without additional intervention except for antibiotic therapy, and the other 2 patients (25%) underwent open repair to control infection and to repair endoleak, respectively. There were no in-hospital deaths. During the mean follow-up period of 48 months +/- 22, all patients were alive except for 1 patient who died of recurrence of rectal cancer at 51 months. There were no aorta- or artery-related adverse events. Overall survival rates at 1 and 5 years were 100% and 80%, respectively. Aneurysm-related event-free rates at 1 and 5 years were 75%. CONCLUSIONS: Combination therapy with EVAR and abscess drainage for the treatment of infected aneurysms seems to be a promising strategy as an alternative or "bridge" to open surgery. PMID- 29221919 TI - Impact of Lifestyle Interventions Targeting Healthy Diet, Physical Activity, and Weight Loss on Asthma in Adults: What Is the Evidence? AB - Unhealthy lifestyle factors such as poor diet quality, sedentary lifestyle, and obesity are associated with negative health consequences in asthma including poor asthma control, impaired quality of life, and greater health care utilization. Lifestyle modification is the cornerstone of behavioral treatments and has been effective in chronic diseases such as atherothrombotic vascular disease and diabetes. There is a critical need for lifestyle interventions in asthma care that address obesity and its intimately linked risk behaviors in terms of poor diet and physical inactivity. We present in this commentary the promising lifestyle interventions emerging in asthma care that target poor diet, physical inactivity and weight loss, the proposed mechanisms of these lifestyle interventions, and the critical need for guideline-concordant lifestyle interventions in asthma care. PMID- 29221921 TI - Ethanol Embolotherapy for the Management of Refractory Chronic Skin Ulcers Caused by Arteriovenous Malformations. AB - PURPOSE: To describe the clinical features and treatment outcomes of ethanol embolotherapy in refractory chronic skin ulcers caused by arteriovenous malformations (AVMs). MATERIALS AND METHODS: From October 2011 to October 2015, 12 patients (5 male; mean age, 26.2 y) with refractory chronic skin ulcers caused by AVMs were treated at a single institution. Ethanol embolotherapy was performed by direct puncture techniques. Needles were directly inserted toward the nidus of the lesion based on imaging analysis. When fast blood reflux was noted, angiography was performed to ensure only the nidus and draining vein were opacified. Symptoms before and after treatment, previous treatment of AVMs and ulcers, embolotherapy sessions, follow-up time, complications, and degree of devascularization were recorded. Treatment outcomes were established by evaluating symptom outcomes and the degree of devascularization on follow-up angiography. RESULTS: Fifty embolotherapy procedures were performed in 12 patients: 6 underwent procedures on the head and neck, 4 on the feet, and 2 on the hands. Four patients (33.3%) experienced complete resolution of abnormal angioarchitecture according to follow-up angiography. Complete control of ulcers was achieved in all 12 patients. Two procedures (4%) in 2 patients (16.7%) caused superficial skin necrosis that healed spontaneously within 4 weeks. Thirteen procedures (26%) in 9 patients (75%) caused blistering immediately after treatment. There were no major complications. CONCLUSIONS: In a limited series, ethanol embolotherapy was effective and safe in the treatment of refractory chronic skin ulcers caused by AVMs. PMID- 29221922 TI - Pediatric Percutaneous Nephrostomy: A Multicenter Experience. AB - PURPOSE: To analyze technique, outcomes, and complications of a large series of pediatric percutaneous nephrostomy (PCN) procedures performed at 4 tertiary pediatric centers. MATERIALS AND METHODS: Retrospective multicenter study of PCNs performed during an 11-year period. Six hundred seventy-five PCNs were performed on 441 patients (median age: 4 y, range: 1 d-18 y, median weight: 17 kg, range: 0.7-112 kg); 31% were younger than 1 year. The most frequent indications for PCN procedures included hydronephrosis (57%), calculus (14%), and infection (12%). Forty-five percent of patients had severe and 32% had moderate hydronephrosis. RESULTS: Technical success was 99% (n = 668); 7 failures occurred from lost access, during tract dilatation (n = 5) and during staghorn calculi without dilatation (n = 2). General anesthesia was used in 73% of procedures. Combined ultrasound and fluoroscopy was used in 98% of procedures. Of the 668 procedures, 561 (84%) were primary nephrostomy insertions, and 107 (16%) were a variety of exchanges (secondary catheter insertions). Twenty-four of 675 (4%) were transplanted kidneys. Access sites included lower (47%), mid (28%), and upper (12%) poles and pelvis (11%). Catheters were predominantly 7-8 French (n = 352). The mean catheter dwell time was 25 days (0-220 d). Total primary catheter days were 14,482, with an additional 2,241 days after secondary procedures. Follow-up in 653/668 (98%) procedures documented elective removal (79%) and salvage procedures (21%), which included wire exchange (8.7%), nephroureteral stent/catheter conversion (8.8%), and tube upsizing (3.5%). Periprocedural complications occurred in 30/668 (4.5%) procedures: 1 major (0.1%) self-limiting hematuria requiring transfusion and 29 (4.4%) minor complications. CONCLUSIONS: PCN is safe and successful in children of all ages, with few major complications. PCN in children is associated with specific technical challenges and requires ongoing management tailored to the very young to achieve good outcomes. PMID- 29221923 TI - Combination of Neoadjuvant Transcatheter Arterial Chemoembolization and Orthotopic Liver Transplantation for the Treatment of Cirrhotomimetic Hepatocellular Carcinoma. AB - PURPOSE: To examine differences in outcome and response of cirrhotomimetic (CMM) hepatocellular carcinoma (HCC) to a combination of bridging transcatheter arterial chemoembolization and orthotopic liver transplantation (OLT) compared with non-CMM HCC. MATERIALS AND METHODS: All patients with pathologically proven CMM HCC who underwent bridging transcatheter arterial chemoembolization before OLT between 2007 and 2013 (n = 23) were retrospectively compared with a control group of patients with pathologically proven non-CMM HCC (n = 46). RESULTS: There were 29 tumors in the CMM HCC group and 64 tumors in the non-CMM group identified and treated. Objective response rate on MR imaging at 1 and 3 months after transcatheter arterial chemoembolization for CMM HCC tumors (including patients with complete and partial response) was 93.1% and 86.4% compared with 85.2% and 93.2% for non-CMM tumors without statistically significant difference (P = .54 and P = .09, respectively). Pathologic study of liver explants showed complete tumor necrosis in 62.3% of non-CMM tumors (38/61) compared with 10.3% of CMM tumors (3/29) (P < .0001). Overall 2-year survival after transcatheter arterial chemoembolization and OLT was significantly lower for patients with CMM HCC compared with patients non-CMM HCC (65.2% vs 87%, P = .03). Patients with CMM HCC with extranodular tumor extension involving > 50% of liver parenchyma had worse survival with mean 2-year survival of 402 days +/- 102 vs 656 days +/- 39 for the remaining patients with CMM HCC (P = .02). CONCLUSIONS: Despite similar early imaging response rates, CMM HCC tumors had markedly lower rates of complete pathologic necrosis on liver explants and were associated with reduced survival after OLT compared with conventional HCCs. PMID- 29221925 TI - Detecting protein aggregation and interaction in live cells: A guide to number and brightness. AB - The possibility to detect and quantify protein-protein interactions with good spatial and temporal resolutions in live cells is crucial in biology. Number and brightness is a powerful approach to detect both protein aggregation/desegregation dynamics and stoichiometry in live cells. Importantly, this technique can be applied in commercial set ups: both camera based and laser scanning microscopes. It provides pixel-by-pixel information on protein oligomeric states. If performed with two colours, the technique can retrieve the stoichiometry of the reaction under study. In this review, we discuss the strengths and weaknesses of the technique, stressing which are the correct acquisition parameters for a given microscope, the main challenges in analysis, and the limitations of the technique. PMID- 29221926 TI - Plasma protein profiling of patients with intraductal papillary mucinous neoplasm of the pancreas as potential precursor lesions of pancreatic cancer. AB - Efforts for the early diagnosis of the pancreatic ductal adenocarcinoma (PDAC) have recently been driven to one of the precursor lesions, namely intraductal papillary mucinous neoplasm of the pancreas (IPMN). Only a few studies have focused on IPMN molecular biology and its overall progression to cancer. Therefore, IPMN lacks comprehensive characterization which makes its clinical management controversial. In this study, we characterized plasma proteins in the presence of IPMNs in comparison to healthy controls, chronic pancreatitis, and PDAC by a proteomics approach using data-independent acquisition based mass spectrometry. We describe several protein sets that could aid IPMN diagnosis, but also differentiation of IPMN from healthy controls, as well as from benign and malignant diseases. Among all, high levels of carbonic anhydrases and hemoglobins were characteristic for the IPMN group. By employing ELISA based quantification we validated our results for human tissue inhibitor of metalloproteinase inhibitor 1 (TIMP-1). We consider IPMN management directed towards an early potential cancer development a crucial opportunity before PDAC initiation and thus its early detection and cure. PMID- 29221927 TI - ST2 as a novel prognostic marker in end-stage renal disease patients on hemodiafiltration. AB - BACKGROUND: Patients with end-stage renal disease (ESRD) are prone to severe heart failure (HF) and to several life-threatening events. Therefore, the ability to assess disease prognosis and the risk of short-term events or death is of great importance. The role of soluble ST2 (sST2) as a potential new prognostic marker in ESRD patients is not yet known. The aim of our study was to assess the prognostic value of sST2 in ESRD patients on hemodiafiltration (HDF) and compare it with NT-proBNP, an established prognostic marker for HF and renal disease. METHODS: 123 ESRD patients on HDF were prospectively followed up from the date of the sST2/NT-proBNP measurement until their death or maximally up to 829days. Patients were divided into a low sST2 group (<35ng/mL) or a high sST2 group (>=35ng/mL) according to their measured sST2 concentration at the start of the study. Kaplan-Meier survival curves, Cox regression model and ROC analyses were used in statistical analysis. RESULTS: During follow-up 32 (26.0%) patients died (all cause mortality). Median (IQR) sST2 serum concentrations of survivors and deceased were 26 (24-29) and 36 (28-59) ng/mL, respectively. The Kaplan-Meier survival analysis showed that survival rate of the high sST2 group was statistically significant lower than of the low sST2 group (P<0.01). Cox regression model for sST2, using a dichotomized (cut-off=35ng/mL, hazard ratio (HR) (95%CI)=2.72 (1.50-4.90), P=0.001) and continuous approach with log transformed values in univariate (HR (95%CI)=17.35 (4.84-62.22), P<0.001) and multivariate analysis (HR (95%CI)=7.19 (1.89-27.38), P=0.004) showed that sST2 alone and in combination with NT-proBNP can predict all cause mortality. CONCLUSIONS: sST2 has confirmed prognostic value and is independent of renal function and of HDF treatment. It could be useful independent prognostic marker for stratifying ESRD patients on HDF at high risk for life-threatening events, hospitalisation and death, especially in combination with NT-proBNP. PMID- 29221924 TI - Unraveling co-translational protein folding: Concepts and methods. AB - Advances in techniques such as nuclear magnetic resonance spectroscopy, cryo electron microscopy, and single-molecule and time-resolved fluorescent approaches are transforming our ability to study co-translational protein folding both in vivo in living cells and in vitro in reconstituted cell-free translation systems. These approaches provide comprehensive information on the spatial organization and dynamics of nascent polypeptide chains and the kinetics of co-translational protein folding. This information has led to an improved understanding of the process of protein folding in living cells and should allow remaining key questions in the field, such as what structures are formed within nascent chains during protein synthesis and when, to be answered. Ultimately, studies using these techniques will facilitate development of a unified concept of protein folding, a process that is essential for proper cell function and organism viability. This review describes current methods for analysis of co-translational protein folding with an emphasis on some of the recently developed techniques that allow monitoring of co-translational protein folding in real-time. PMID- 29221928 TI - Momentary assessment of impulsive choice and impulsive action: Reliability, stability, and correlates. AB - Impulsivity is associated with substance use, including tobacco use. The degree to which impulsivity fluctuates over time within persons, and the degree to which such intra-individual changes can be measured reliably and validly in ambulatory assessments is not known, however. The current study evaluated two novel ambulatory measures of impulsive choice and impulsive action. Impulsive choice was measured with an eight-item delay discounting task designed to estimate the subjective value of delayed monetary rewards. Impulsive action was measured with a two-minute performance test to assess behavioral disinhibition (the inability to inhibit a motor response when signaled that such a response will not be rewarded). Valid data on impulsive choice were collected at 70% of scheduled reports and valid data on impulsive action were collected on 55% of scheduled reports, on average. Impulsive choice and action data were not normally distributed, but models of relations of these measures with within- and between person covariates were robust across distributional assumptions. Intra-class correlations were substantial for both impulsive choice and action measures. Between persons, random intercepts in impulsive choice and action were significantly related to laboratory levels of their respective facets of impulsivity, but not self-reported or other facets of impulsivity. Validity of the ambulatory measures is supported by associations between abstinence from smoking and increased impulsivity, but challenged by an association between strong temptations to smoke and reduced impulsive choice. Results suggest that meaningful variance in impulsive choice and action can be captured using ambulatory methods, but that additional measure refinement is needed. PMID- 29221929 TI - Use of pharmacy technicians in elements of medication therapy management delivery: A systematic review. AB - BACKGROUND: Documented barriers to Medication Therapy Management (MTM) delivery, such as limited time and inefficient workflow may be overcome by utilizing support staff for administrative services. However, it is unknown how pharmacy technicians have been historically utilized to assist pharmacists in MTM delivery. OBJECTIVE: To characterize literature describing pharmacy technicians' participation in actions commonly undertaken in the provision of MTM services. METHODS: In August 2016, a PubMed (MEDLINE) and Journal of Pharmacy Technology search was conducted using the term "pharmacy technician" with services outlined within the MTM Core Elements Version 2.0, and with terms related to administrative actions in the provision of MTM. References were searched using identified studies. Eligible articles described pharmacy technicians' performance and/or assistance in at least one MTM Core Element or related administrative action to the provision of MTM. Data was independently extracted by two researchers; any variation in extraction was reconciled via with discussion until consensus reached. A standardized data extraction template was used. RESULTS: Forty-four manuscripts were included. Manuscripts were most likely to describe pharmacy technicians' assistance with medication reconciliation (70%), documentation (41%) and medication therapy review (30%). Actions least likely to be described included personal medication record development (5%), physical assessment (5%), follow-up (2%), and medication action plan development (0%). Most articles were written in the United States (73%), or Europe (16%), while the remaining articles were Canadian (11%); no articles were found originating from Asia, Africa, Australia or the Middle East. CONCLUSION: Pharmacy technicians are utilized most often to support MTM through assistance in medication reconciliation. Standardized training for pharmacy technicians that delineates administrative support from pharmacists' role of clinical decision making could help pharmacists obtain greater efficiency in MTM delivery. PMID- 29221930 TI - In vitro effect of Chrysosporium indicum and Chrysosporium keratinophylum on Toxocara canis eggs. AB - The degree of antagonism exercised by fungi on geohelminth development varies according to the morphological alterations caused by different fungal species. Saprophytic fungi may exert ovicidal or ovistatic effects. The aim of this study was to apply scanning electron microscopy (SEM) to observe the action of two soil saprophytic species of Chrysosporium (C. indicum and C. keratinophylum) on Toxocara canis eggs. The fungal strains to be tested were incubated for 28 days at 28 degrees C in 2% water agar with a suspension of unembryonated T. canis eggs. A suspension of T. canis eggs in 2% water agar was used as control group. The assay was done in triplicate for each fungus and the control group. SEM observations were performed on the 4th, 7th, 14th, 21st, and 28th day after inoculation. The effect of the fungi on eggs was evaluated in accordance with the alterations observed on the surface and the changes in the normal characteristics of the eggs. Hyphae around the eggs, appresoria penetrating the shell and changes in the typical egg membrane were observed in this assay. Type 3 effect (alterations that occur both in the embryo and the shell, and hyphal penetration of the eggs) was the prevalent effect. SEM allowed us to observe clearly the morphological alterations in T. canis eggs due to the effect of C. indicum and C. keratinophylum. Both saprophytic species of Chrysosporium alter the egg structure and alterations increase as exposure increases. PMID- 29221931 TI - Urethral Rest with Suprapubic Cystostomy for Obliterative or Nearly Obliterative Urethral Strictures: Urethrographic Changes and Implications for Management. AB - PURPOSE: Precise preoperative characterization of urethral stricture is important for surgical planning. A period of urethral rest by a suprapubic cystostomy tube may aid in stricture characterization and affect the surgical approach. In this study fellowship trained reconstructive urologists compared the radiographic characterization of anterior urethral strictures before and after a period of urethral rest. We then determined how this changed the planned operative approach. MATERIALS AND METHODS: We queried our prospectively maintained urethroplasty database at our institution for men with an anterior urethral stricture who underwent retrograde urethrogram and voiding cystourethrogram before and after preoperative suprapubic cystostomy tube placement. A total of 29 men were identified for analysis. To minimize responder fatigue 20 pairs of radiographs were selected at random. All images before and after suprapubic tube placement were interpreted in random order by 11 fellowship trained reconstructive urologists. Interpretation included stricture length, diameter, location and surgeon operative plan. Preplacement and post-placement results were compared. Post-placement stricture length was also compared to intraoperative length. ICC was used to evaluate homogeneity among the urologists. Linear regression analysis was performed to determine the association of post radiographic length after tube placement with intraoperative stricture length. RESULTS: Imaging agreement among interpreting urologists was satisfactory (ICC 0.72). There was no statistically significant difference in stricture length before vs after suprapubic tube placement. Of the images 23% were considered obliterative before tube placement while 58% were obliterative after placement (p = 0.0005). Mean +/- SD post-placement radiographic and intraoperative stricture length was 3.0 +/- 2.6 and 3.8 +/- 3.3 cm, respectively (p <0.0001). Deviation between the radiographic and intraoperative lengths increased with stricture length (slope 0.26, p = 0.0023). The surgeon operative plan changed 47% of the time, including to an excision approach in 37% of cases. CONCLUSIONS: Despite optimal urethral imaging with a suprapubic tube in men with high grade stricture reconstructive urologists underestimated length by an average of almost 1 cm. This underestimation was less for shorter strictures and it increased with stricture length. In addition, a period of urethral rest resulted in more frequent stricture obliteration, which was associated with a change in the planned operative approach about half of the time. If urologists do not place a suprapubic cystostomy tube prior to urethroplasty for high grade stricture, the operative plan should account for the stricture being tighter than it may appear. PMID- 29221932 TI - Evaluation of Guidelines for Surgical Management of Urolithiasis. AB - PURPOSE: Many urological societies have provided evidence-based guidelines to help the urologist make therapeutic choices. However, the recommendations in these guidelines may be heterogeneous because they were developed using various methods. The objective of this study was to review key guidelines on the surgical management of urinary stones to provide practical guidance for clinical application. MATERIALS AND METHODS: Guidelines on urolithiasis from all international urological societies were searched through the society websites. A search on PubMed(r) and Medline(r) restricted to publications in English was also performed for guidelines published between January 1, 2010 and July 1, 2017. Only the latest versions of guidelines containing an evaluation of the level of evidence and the grade of recommendation were included in the final analysis. All recommendations on surgical stone management and recommended techniques for each surgical modality were included. The AGREE II (Appraisal of Guidelines for Research and Evaluation II) instrument was used to assess the quality of the included guidelines. RESULTS: Three international guidelines were included in analysis, including those of AUA (American Urological Association)/ES (Endourological Society), EAU (European Association of Urology) and SIU (Societe Internationale d'Urologie)/ICUD (International Consultation on Urological Diseases). We highlighted the heterogeneity in the level of evidence and the grade of recommendation which arose due to the different methods of evaluations that had been adopted. Despite this our review highlighted the considerable similarities among the guidelines. In certain specific situations for which no good evidence was available the recommendations could only be based on expert opinion. CONCLUSIONS: An option to provide clear guidance to the urologist might be to combine these international guidelines into one to reduce confusion about the surgical management of urolithiasis. PMID- 29221933 TI - Intestinal Intraepithelial Lymphocytes: Sentinels of the Mucosal Barrier. AB - Intestinal intraepithelial lymphocytes (IELs) are a large and diverse population of lymphoid cells that reside between the intestinal epithelial cells (IECs) that form the intestinal mucosal barrier. Although IEL biology has traditionally focused on T cells, recent studies have identified several subsets of T cell receptor (TCR)-negative IELs with intriguing properties. New insight into the development, homeostasis, and functions of distinct IEL subsets has recently been provided. Additional studies have revealed intricate interactions between different IEL subsets, reciprocal interactions between IELs and IECs, and communication of IELs with immune cells that reside outside the intestinal epithelium. We review here sentinel functions of IELs in the maintenance of the mucosal barrier integrity, as well as how dysregulated IEL responses can contribute to pathology. PMID- 29221934 TI - Response to "Re. Management of Atherosclerotic Carotid and Vertebral Disease: 2017 Clinical Practice Guidelines of the European Society for Vascular Surgery (ESVS)". PMID- 29221935 TI - Effects of intermolecular interactions on absorption intensities of the fundamental and the first, second, and third overtones of OH stretching vibrations of methanol and t-butanol-d9 in n-hexane studied by visible/near infrared/infrared spectroscopy. AB - Visible (Vis), near-infrared (NIR) and IR spectra in the 15,600-2500cm-1 region were measured for methanol, methanol-d3, and t-butanol-d9 in n-hexane to investigate effects of intermolecular interaction on absorption intensities of the fundamental and the first, second, and third overtones of their OH stretching vibrations. The relative area intensities of OH stretching bands of free and hydrogen-bonded species were plotted versus the vibrational quantum number using logarithm plots (V=1-4) for 0.5M methanol, 0.5M methanol-d3, and 0.5M t-butanol d9 in n-hexane. In the logarithm plots the relative intensities of free species yield a linear dependence irrespective of the solutes while those of hydrogen bonded species deviate significantly from the linearity. The observed results suggest that the modifications in dipole moment functions of the OH bond induced by the formation of the hydrogen bondings change transient dipole moment, leading to the deviations of the dependences of relative absorption intensities on the vibrational quantum number from the linearity. PMID- 29221936 TI - Volumetric measurement of hepatic tumors: Accuracy of manual contouring using CT with volumetric pathology as the reference method. AB - PURPOSE: The purpose of this study was to assess the accuracy of liver tumor volumetry by manual contouring on computed tomography (CT) compared to pathological tumor volume determined from surgical specimen that served as a reference method. PATIENTS AND METHOD: Thirty-eight patients with planned liver surgery and a total of 41 liver tumors were included. There were 24 men and 14 women (mean age: 57 years; range: 32-85 years). Two readers calculated tumor volume by manual contouring on axial CT images. The reference tumor volume was calculated by manual contouring with dedicated software applied to the liver specimen slice. CT and pathology volumes were compared and the percentage of error (PE%) was calculated. Intraobserver and interobserver variabilities were calculated using Bland and Altman plots, and intraclass correlation coefficients (ICC). RESULTS: A strong correlation was found between CT tumor volumes and pathology tumor volumes (r=0.994; P<0.001 for both readers). The mean (+/-SD) and median (range) PE% were 19%+/-12% and 16% (1%, +42%) and 19%+/-15% and 17% (0%, +55%) for readers 1 and 2, respectively. Readers 1 and 2 significantly overestimated tumor volume (i.e., PE%>40%) in 3 (7%) and 2 (5%) tumors on CT, respectively. Tumor volume was not significantly underestimated in any of the patients (i.e. PE%>33%). Tumor size, CT attenuation, time between imaging and surgery, contours and margin definition did not influence the results of PE% values (all P values>0.05 for both readers). The bias and limits of agreement between the two readers were +4.6% and (-24%, +33%) with an ICC of 0.997. CONCLUSION: There was a strong correlation between tumor volume measured on CT and that assessed with surgical specimen. Tumor size, visibility of contours and tumor margins and the time between CT and surgery did not influence the results. PMID- 29221937 TI - Recurrent miscarriage is associated with increased ghrelin mRNA expression in the endometrium- a case-control study. AB - Ghrelin has been found to be expressed in the human endometrium. Emerging evidence links ghrelin and its receptor with the reproductive system. Certain associations between ghrelin and angiogenesis have also been established. The aim of this small case-control study was to quantify and compare the expression of mRNA encoding ghrelin, ghrelin receptor (GHS-R), vascular endothelial growth factor A (VEGF A) and its receptors (VEGFR1-3) in the endometrium of women with recurrent miscarriage compared to parous controls. Correlations between the expression of particular genes were also investigated. Endometrial samples were obtained during the secretory phase of the menstrual cycle from 15 women with a history of recurrent miscarriage (first trimester pregnancy loss without a known cause) and 10 healthy parous controls. Ghrelin, GHS-R, VEGF A and VEGFR1-3 mRNA expression was analyzed by quantitative RT-PCR. The expression of mRNA for ghrelin and VEGF A was significantly higher in the study group than the control group. In the control group, the expression of ghrelin mRNA was positively correlated with the expression of VEGF A and VEGFR1 mRNA. In the study group, no such associations were observed. These results show that the expression of mRNA for ghrelin and VEGF A may be increased in the endometrium of women with recurrent miscarriage thus suggesting that ghrelin may play a role in the pathogenesis of recurrent miscarriage. PMID- 29221938 TI - Are women with obesity and infertility willing to attempt weight loss prior to fertility treatment? AB - OBJECTIVE: To assess attitudes towards weight loss interventions in patients seeking infertility treatment. METHODS: We evaluated prior weight loss experiences, attitudes towards future interventions by body mass index (BMI), and willingness to delay fertility treatment for weight loss interventions stratified by BMI using logistic regression amongst women <=45years old with infertility over three months or recurrent pregnancy loss. RESULTS: The average age of our convenience sample of respondents (148 of 794 eligible women, 19%) was 34.5 years old, with a mean BMI of 26.7+/-7.4kg/m2, including 37 with a BMI >30kg/m2 (25%). Most women had attempted conception over 1year. The majority of women with overweight or obesity were attempting weight loss at the time of survey completion (69%). While 47% of these women reported interest in a supervised medical weight loss program, 92% of overweight women and 84% of women with obesity were not willing to delay fertility treatment more than 3 months to attempt weight loss. CONCLUSION: Most women with obesity and infertility in our population are unwilling to postpone fertility treatment for weight loss interventions. PMID- 29221939 TI - Obesity and contraceptive use among women 20-44years of age in the United States: results from the 2011-15 National Survey of Family Growth (NSFG). AB - OBJECTIVE: Obesity has increased dramatically in the United States in recent decades. Our objective was to explore associations of contraceptive choices of US women, aged 20-44years, with body mass index (BMI) and relevant covariates. STUDY DESIGN: Data are based on interviews with a national sample of 11,300 women in the 2011-2015 National Survey of Family Growth. We analyzed women ages 20-44 at risk of unintended pregnancy. The primary dependent variable was BMI category. Covariates analyzed included age, parity, race/ethnicity, marital status, self reported health and education. Data were analyzed via cross-tabulation and logistic regression. We determined unadjusted and adjusted odds ratios for three categories of contraceptive method: female sterilization, intrauterine device (IUD) and hormonal contraception. RESULTS: Obese women have higher odds of female sterilization (BMI 30.0-34.9 kg/m2: adjusted odds ratio (aOR)=1.96, 95% confidence interval (CI) 1.45-2.66; BMI 35.0 kg/m2 and higher: aOR=1.56, 95% CI 1.13-2.14) compared to women with normal BMI. Odds of IUD use are significantly higher among women with BMI >35 kg/m2 (aOR=1.64, 95% CI 1.20-2.25). Odds of hormonal contraceptive use are correspondingly reduced (aOR=0.78, 95% CI 0.62 0.98) for women in the highest BMI category. CONCLUSIONS: Contraceptive use varies by BMI category even after adjusting for usual correlates of use. Differences in contraceptive use by BMI category have implications for contraceptive counseling and provision. IMPLICATIONS: Findings that obese women are more likely to rely on female sterilization raise questions about how weight concerns and obesity affect contraceptive decision making. Future research could explore associations between obesity and contraceptive use in adolescent women. PMID- 29221940 TI - Pioglitazone attenuates aging-related disorders in aged apolipoprotein E deficient mice. AB - Pioglitazone (Piog) activates peroxisome proliferator activated receptor-gamma (PPARgamma) and is widely used in clinic for the treatment of diabetes mellitus. PPARgamma in various tissues has the essential regulatory role of multiple metabolic function, suggest that PPARgamma signaling may contribute to aging processes. However, little is known about the consequences of Piog on aging in aged animal models. We used apolipoprotein E deficient (apoE-/-) mice model to evaluate the effects of Piog on aging-related disorders. Our results showed that long-term and low-dose Piog treatment significantly reduced aortic atherosclerosis, aging-related renal glomerulosclerosis and interstitial fibrosis, and hepatic steatosis, while improved the dermis in skin atrophy, compared to the control group. These morphological alterations were linked to the role of Piog, including regulation of plasma cholesterol and triglycerides (TG) levels, increased antioxidant superoxide dismutase (SOD) activity and decreased myeloperoxidase (MPO) activity. Moreover, accompanied with up-regulation of PPARgamma expression, Piog had obviously increased the mRNA levels of anti-aging genes Sirtuin1 and Klotho, decreased the p53 protein level, and altered the expression of several genes involving cholesterol excretion, TG biosynthesis and inflammation in the liver. In conclusion, Piog treatment is effective to modulate the oxidative and inflammatory status, cell senescence, and lipid metabolism, contributing to attenuate several aging-related disorders in the aged apoE-/- mice, thereby maybe a promising protective therapy of aging and age-related diseases. PMID- 29221941 TI - Are Human Development Index dimensions associated with gait performance in older adults? A systematic review. AB - BACKGROUND: Because gait performance is a marker of organic integrity, and the Human Development Index (HDI) of a region impacts the organism globally, this paper aims to investigate possible associations between both HDI and HDI dimensions at individual level (i.e. education, income, or life expectancy) with gait performance in older adults. METHODS: Searches were conducted on EMBASE and PubMed databases. Eligible studies included community-dwelling population aged >=60years, analysis of at least one quantitative gait variable, observational studies, Human Development Index or its dimensions (i.e. education, income, or life expectancy). RESULTS: Thirty-five articles were included in this systematic review. No study directly used HDI as an independent variable, but all selected articles found relationships between gait performance and one or two HDI dimensions at individual-level in the same study. Gait speed was the most common dependent variable associated with all three HDI dimensions. Low education, poor income, and short life expectancy were associated with worse gait speed, in combination and/or independently. CONCLUSION: No studies were found using HDI as a main variable. Systematic evidence showed a strong relationship with all three HDI dimensions: education, income, and life expectancy, suggesting that social factors at individual level affect gait performance. PMID- 29221942 TI - Neurostimulant use is associated with improved survival in comatose patients after cardiac arrest regardless of electroencephalographic substrate. AB - AIM: Identify EEG patterns that predict or preclude favorable response in comatose post-arrest patients receiving neurostimulants. METHODS: We examined a retrospective cohort of consecutive electroencephalography (EEG)-monitored comatose post-arrest patients. We classified the last day of EEG recording before neurostimulant administration based on continuity (continuous/discontinuous), reactivity (yes/no) and malignant patterns (periodic discharges, suppression burst, myoclonic status epilepticus or seizures; yes/no). In subjects who did not receive neurostimulants, we examined the last 24h of available recording. For our primary analysis, we used logistic regression to identify EEG predictors of favorable response to treatment (awakening). RESULTS: In 585 subjects, mean (SD) age was 57 (17) years and 227 (39%) were female. Forty-seven patients (8%) received a neurostimulant. Neurostimulant administration independently predicted improved survival to hospital discharge in the overall cohort (adjusted odds ratio (aOR) 4.00, 95% CI 1.68-9.52) although functionally favorable survival did not differ. No EEG characteristic predicted favorable response to neurostimulants. In each subgroup of unfavorable EEG characteristics, neurostimulants were associated with increased survival to hospital discharge (discontinuous background: 44% vs 7%, P=0.004; non-reactive background: 56% vs 6%, P<0.001; malignant patterns: 63% vs 5%, P<0.001). CONCLUSION: EEG patterns described as ominous after cardiac arrest did not preclude survival or awakening after neurostimulant administration. These data are limited by their observational nature and potential for selection bias, but suggest that EEG patterns alone should not affect consideration of neurostimulant use. PMID- 29221943 TI - Religious hospital policies on reproductive care: what do patients want to know? AB - BACKGROUND: Religious hospitals are a large and growing part of the American healthcare system. Patients who receive obstetric and other reproductive care in religious hospitals may face religiously-based restrictions on the treatment their doctor can provide. Little is known about patients' knowledge or preferences regarding religiously restricted reproductive healthcare. OBJECTIVE(S): We aimed to assess women's preferences for knowing a hospital's religion and religiously based restrictions before deciding where to seek care and the acceptability of a hospital denying miscarriage treatment options for religious reasons, with and without informing the patient that other options may be available. STUDY DESIGN: We conducted a national survey of women aged 18-45 years. The sample was recruited from AmeriSpeak, a probability-based research panel of civilian noninstitutionalized adults. Of 2857 women invited to participate, 1430 completed surveys online or over the phone, for a survey response rate of 50.1%. All analyses adjusted for the complex sampling design and were weighted to generate estimates representative of the population of US adult reproductive-age women. We used chi2 tests and multivariable logistic regression to evaluate associations. RESULTS: One third of women aged 18-45 years (34.5%) believe it is somewhat or very important to know a hospital's religion when deciding where to get care, but 80.7% feel it is somewhat or very important to know about a hospital's religious restrictions on care. Being Catholic or attending religious services more frequently does not make one more or less likely to want this information. Compared with Protestant women who do not identify as born-again, women of other religious backgrounds are more likely to consider it important to know a hospital's religious affiliation. These include religious minority women (adjusted odds ratio, 2.17; 95% confidence interval, 1.11-4.27), those who reported no religion/atheist/agnostic (adjusted odds ratio, 2.27; 95% confidence interval, 1.19-4.34), and born-again Protestants (adjusted odds ratio, 2.38; 95% confidence interval, 1.32-4.28). Religious minority women (adjusted odds ratio, 2.36; 95% confidence interval, 1.01-5.51) and those who reported no religion/atheist/agnostic (adjusted odds ratio, 3.16; 95% confidence interval, 1.42-7.04) were more likely to want to know a hospital's restrictions on care. More than two thirds of women find it unacceptable for the hospital to restrict information and treatment options during miscarriage based on religion. Women who attended weekly religious services were significantly more likely to accept such restrictions (adjusted odds ratio, 3.13; 95% confidence interval, 1.70-5.76) and to consider transfer to another site an acceptable solution (adjusted odds ratio, 3.22; 95% confidence interval, 1.69-6.12). The question, "When should a religious hospital be allowed to restrict care based on religion?" was asked, and 52.3% responded never; 16.6%, always; and 31.1%,"under some conditions. CONCLUSION: The vast majority of adult American women of reproductive age want information about a hospital's religious restrictions on care when deciding where to go for obstetrics/gynecology care. Growth in the US Catholic health care sector suggests an increasing need for transparency about these restrictions so that women can make informed decisions and, when needed, seek alternative providers. PMID- 29221944 TI - Living uterus donation and transplantation: experience of interest and screening in a single center in the United States. AB - BACKGROUND: Little is known about attitudes toward uterus donation and transplantation in society and the interest of the women the treatment is aimed to assist. OBJECTIVE: This study examined the interest of recipients and living donors in our uterus transplantation program; it describes the screening protocol we developed and the results of the screening and reports demographic data and characteristics of screened candidates. STUDY DESIGN: Initial screening and evaluation included physical examinations by a gynecologist and a transplant surgeon; psychological evaluation; imaging (x-ray, computed tomography, ultrasound); blood tests; immunological testing; viral, bacterial, and fungal testing; drug screen; hormonal testing; Papanicolau smear; urinalysis; and electrocardiogram. For selected recipients, the process also included in vitro fertilization. RESULTS: A total of 351 women contacted our department with interest in participating in uterus transplantation; 272 were potential recipients and 79 were potential donors. Among these women, 179 potential recipients and 62 potential donors continued the evaluation after the initial telephone screening. The mean age of the donor candidates was 40 years; all had completed their own family, and 80% were nondirected. Most recipient candidates (92%) had an anatomical lack of the uterus, and of these, 36% had a congenital malformation. The women with a congenital uterine absence were in general younger than the women in the group whose uterus had been removed (mean of 28 and 33 years, respectively). In every step of the initial screening and evaluation process, there were donor and recipient candidates that chose not to continue the process. The reasons for self-withdrawal after expressing interest were not returning phone calls or e-mails (17 donors and 76 recipients); after initial phone screening, no longer interested (1 donor and 9 recipients); in step 1, health history questionnaire not returned after 1 reminder (10 donors and 9 recipients); step 2, not right in their current life situation (2 donors and 2 recipients), and in step 3, chose another way to achieve motherhood (1 recipient). Most donor and recipient candidates (52% and 78%, respectively) could be screened out (because of self-withdrawal or transplant team's decision) during the noninvasive and cost-efficient initial screening. CONCLUSION: Our initial experience shows a great interest in participating in a trial of uterus transplantation by both potential recipients and donors. It is the first study to show interest in nondirected donation. A sufficient but thoughtful screening process of living donors and recipients is essential and should aim both to assure donor/recipient safety and to provide good quality grafts. PMID- 29221946 TI - [Facing a dilemma in elderly complex and vulnerable patients: to stop or not to stop prevention?] AB - OBJECTIVES: 1-To know the preventive prescription (statin, antiplatelet drugs, bisphosphonates, calcium and vitamin D and Vit B12) of elderly patients previously identified as a CCD (with a complex chronic disease) and ACD (with advanced chronic disease and lifetime expectancy of less than 12 months) who died during 2015. 2-To assess the correct indication of Proton Pump Inhibitors (PPI) to determine potentially avoidable medication. DESIGN: Retrospective observational study. LOCATION: Four Primary Health Centres, Castellar del Valles (Barcelona). PARTICIPANTS: 128 patients, 70 ACD and 58 PCC. MAIN MEASUREMENTS: Number of drugs at the time of death from the 6 selected group, deprescription (6 months prior to death due to advanced chronic disease), primary or secondary prevention and inappropriate prescription of PPI. RESULTS: Average age of 85'3 years (10,3). 40% took an antiplatelet drug, avoidable in 60% of the ACD, since they did not present any previous cardiovascular episode. 20% of the patients took statins, in which 48% of the cases were primary prevention. The PPI prescription was 67% with inadequate indication for use in 49% of these cases. 20% took calcium / Vitamin D and 1,6% of the ACD a bisphosphonate. There was a 16% deprescription. CONCLUSIONS: A high percentage of our patients with advanced chronic disease and short life expectancy still continue to take preventive and avoidable treatments, potentially dangerous due to their side effects. There is a need to reflect on what we do with these vulnerable patients. PMID- 29221945 TI - The relationship of Physical performance and Osteoporosis prevention with vitamin D in older African Americans (PODA). AB - RATIONALE: Vitamin D deficiency is associated with bone loss, poor muscle strength, falls and fracture. This information in older African Americans (AAs) is sparse. OBJECTIVE: The study of the relationship of Physical performance, Osteoporosis prevention with vitamin D in older African Americans (PODA) is a randomized, double-blind, placebo-controlled 3-year trial examining the effect of vitamin D on bone loss and physical performance in older AA women. METHODS: 260 healthy AA women aged >60years were assigned to receive placebo or vitamin D3. Initial vitamin D3 dose was determined by the baseline serum 25OHD level, and adjusted further to maintain serum 25OHD between 30 and 69ng/ml. Subjects with baseline 25OHD levels <=8ng/ml or >=26ng/ml were excluded. Objective measures of neuromuscular strength [Short Physical Performance Battery (SPPB), grip strength and 6-minute walking distance (6MWD)] and bone mineral density (BMD) were obtained. RESULTS: SPPB gait speed, grip strength and 6MWD showed a significant positive correlation with free 25OHD. 1pg/ml increase in free 25OHD predicted a 32% increase in the odds of having higher gait speed and a 1.42lb. increase in grip strength. No significant differences in BMI, BMD, muscle mass, grip strength, serum total 25OHD and free 25OHD were observed between groups. None of the measures of physical performance showed an association with baseline serum 25OHD. CONCLUSIONS: This is the first study to show an association between free 25OHD and physical performance. These findings indicate a positive relationship of free 25OHD with gait speed and grip strength in older AA women. Further studies are needed to understand the role of free 25OHD. PMID- 29221947 TI - [The impact of patient identification on an integrated program of palliative care in Basque Country]. AB - OBJECTIVE: Evaluate the process and the economic impact of an integrated palliative care program. DESIGN: Comparative cross-sectional study. LOCATION: Integrated Healthcare Organizations of Alto Deba and Goierri Alto-Urola, Basque Country. PARTICIPANTS: Patients dead due to oncologic and non-oncologic causes in 2012 (control group) and 2015 (intervention group) liable to need palliative care according to McNamara criteria. INTERVENTIONS: Identification as palliative patients in primary care, use of common clinical pathways in primary and secondary care and arrange training courses for health professionals. MAIN MEASURES: Change in the resource use profile of patients in their last 3 months. Propensity score by genetic matching method was used to avoid non-randomization bias. The groups were compared by univariate analysis and the relationships between variables were analysed by logistic regressions and generalized linear models. RESULTS: One thousand and twenty-three patients were identified in 2012 and 1,142 patients in 2015. In 2015 doubled the probability of being identify as palliative patient in deaths due to oncologic (19-33%) and non-oncologic causes (7-16%). Prescriptions of opiates rise (25-68%) and deaths in hospital remained stable. Contacts per patient with primary care and home hospitalization increased, while contacts with hospital admissions decreased. Cost per patient rise 26%. CONCLUSIONS: The integrated palliative care model increased the identification of the target population. Relationships between variables showed that the identification had a positive impact on prescription of opiates, death outside the hospital and extension to non-oncologic diseases. Although the identification decreased admissions in hospital, costs per patient had a slight increase due to home hospitalizations. PMID- 29221948 TI - CNB-001, a synthetic pyrazole derivative of curcumin, suppresses lipopolysaccharide-induced nitric oxide production through the inhibition of NF kappaB and p38 MAPK pathways in microglia. AB - CNB-001, a pyrazole derivative of curcumin, has been found to exert neuroprotective and memory-enhancing effects that may be effective for the treatment of Alzheimer's disease. Since aberrant activation of microglia is involved in the pathogenesis of Alzheimer's disease, the present study was undertaken to investigate the effect of CNB-001 on microglia-mediated inflammatory responses. In primary cultured rat microglia, CNB-001 (1-10uM) suppressed the lipopolysaccharide (LPS)-induced nitric oxide (NO) production and expression of inducible NO synthase (iNOS), and the potency of CNB-001 was stronger than curcumin. CNB-001 also suppressed the LPS-induced nuclear translocation of nuclear factor kappaB (NF-kappaB), which is essential for the expression of iNOS. LPS treatment promoted phosphorylation of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38 mitogen activated protein kinase (MAPK). CNB-001 significantly suppressed the LPS-induced phosphorylation of p38 MAPK, but not ERK and JNK. The suppressive effect of CNB 001 on NO production was mimicked by blockade of the p38 MAPK signaling pathway with SB203580. These results suggest that CNB-001 exerts anti-inflammatory effects through inhibition of NF-kappaB and p38 MAPK pathways in microglia. PMID- 29221949 TI - Anti-cancer activity of a new dihydropyridine derivative, VdiE-2N, in head and neck squamous cell carcinoma. AB - This study aims to examine the effects of a new 1,4-dihydropyridine derivative, VdiE-2N, on cell signaling pathways and mitochondrial events in head and neck squamous cell carcinoma (HNSCC) cells, and on a mice model of xenograft tumor growth/cell proliferation. Four HNSCC cell lines (HN13, HN12, HN6, and CAL27), HEK293 cells (human embryonic kidney 293 cells), and human oral healthy mucosa fibroblasts (OHMF) were used for in vitro assessment of cell viability (resazurin assay) and invasion capacity (modified Boyden chamber assay), and mitochondrial membrane potential (JC-1 fluorescence assay), morphology (transmission electron microscopy), and number of mitochondria (MitoTracker(r) imaging). SET and pDRP1 proteins were analyzed by immunofluorescence, and proteins involved in cell death/survival pathways were analyzed by Western blotting. HN12 xenograft tumors were established in the flank of Balb/c nude mice, and their characteristics and sensitivity to VdiE-2N were determined by immunohistochemistry and histology. VdiE-2N decreased cell viability in HNSCC cells (IC50 = 9.56 and 22.45uM for HN13 and HN12 cells, respectively) more strongly than it decreased cell viability in OHMF and HEK293 cells (IC50 = 32.90 and > 50uM, respectively). In HN13 cells, VdiE-2N dissipated mitochondrial membrane potential and altered the mitochondria size, shape, and number in a concentration-dependent manner, as well as it induced apoptosis and reduced their invasion capacity. Treatment of mice bearing xenograft tumors with VdiE-2N significantly diminished proliferation of cancer cells. Therefore, VdiE-2N induces HNSCC cell death in vitro through mitochondria mediated apoptotic pathways and dampens tumor growth in vivo, thus supporting a potential anti-cancer effect. PMID- 29221950 TI - DHA supplementation prevent the progression of NASH via GPR120 signaling. AB - Nonalcoholic steatohepatitis (NASH) is one of the most common liver diseases involving chronic accumulation of fat and inflammation, often leading to advanced fibrosis, cirrhosis and carcinoma. However, the pathological mechanism for this is unknown. GPR120/FFAR4 has been recognized as a functional fatty acid receptor and an attractive therapeutic target for metabolic diseases. In this study, we investigated the involvement of GPR120/FFAR4 in the pathogenesis of NASH. Mice fed with a 0.1% methionine and choline deficient high-fat (CDAHF) diet showed a significant increase in plasma aspartate transaminase and alanine transaminase levels, fatty deposition, inflammatory cell infiltration, and mild fibrosis. Docosahexaenoic acid (DHA, GPR120/FFAR4 agonist) suppressed the inflammatory cytokines in the liver tissues and prevented fibrosis in the wild type (WT) mice fed CDAHF diet, but not GPR120/FFAR4 deficient (GPR120KO) mice. GPR120KO mice fed CDAHF diet showed increment of the number of crown like structures and the immunoreactivity for F4/80 positive cells, and increased TNF-alpha mRNA in the liver compared to WT mice fed CDAHF diet. GPR120 KO mice fed CDAHF diet showed more severe liver inflammation than that of WT mice fed CDAHF diet, but not fibrosis. Our findings suggest that DHA supplementation could be prevented the development of NASH via GPR120/FFAR4 signaling. Furthermore, decrease of GPR120/FFAR4 signaling could be facilitated an inflammatory response in the process of NASH progression. PMID- 29221951 TI - Role of drugs in the prevention and amelioration of radiation induced toxic effects. AB - As the use of radiation technology for nuclear warfare or for the benefits of mankind (e.g. in radiotherapy or radio-diagnosis) is increasing tremendously, the risk of associated side effects is becoming a cause of concern. These effects, ranging from nausea/vomiting to death, may result from accidental or deliberate exposure and begin in seconds. Through this review paper, efforts have been done to critically review different compounds which have been investigated as radioprotectors and radiation mitigators. Radioprotectors are compounds which are administered just before or at the time of irradiation so as to minimize the radiation induced damage to normal tissues. And radiation mitigators are the compounds which can even minimize or ameliorate post irradiaion-toxicity provided they are administered before the onset of toxic symptoms. A variety of agents have been investigated for their preventive and ameliorative potential against radiation induced toxic effects. This review article has focused on various aspects of the promising representative agents belonging to different classes of radioprotectors and mitigators. Many compounds have shown promising results, but till date only amifostine and palifermin are clinically approved by FDA. To fill this void in pharmacological armamentarium, focus should be shifted towards novel approaches. PMID- 29221952 TI - Danshensu prevents hypoxic pulmonary hypertension in rats by inhibiting the proliferation of pulmonary artery smooth muscle cells via TGF-beta-smad3 associated pathway. AB - Hypoxic pulmonary hypertension is characterized by the remodeling of pulmonary artery. Previously we showed that tanshinone IIA, one lipid-soluble component from the Chinese herb Danshen, ameliorated hypoxic pulmonary hypertension by inhibiting pulmonary artery remodeling. Here we explored the effects of danshensu, one water-soluble component of Danshen, on hypoxic pulmonary hypertension and its mechanism. Rats were exposed to hypobaric hypoxia for 4 weeks to develop hypoxic pulmonary hypertension along with administration of danshensu. Hemodynamics and pulmonary arterial remodeling index were measured. The effects of danshensu on the proliferation of primary pulmonary artery smooth muscle cells and transforming growth factor-beta-smad3 pathway were assessed in vitro. Danshensu significantly decreased the right ventricle systolic pressure, the right ventricle hypertrophy and pulmonary vascular remodeling index in hypoxic pulmonary hypertension rats. Danshensu also reduced the increased expression of transforming growth factor-beta and phosphorylation of smad3 in pulmonary arteries in hypoxic pulmonary hypertension rats. In vitro, danshensu inhibited the hypoxia- or transforming growth factor-beta-induced proliferation of primary pulmonary artery smooth muscle cells. Moreover, danshensu decreased the hypoxia-induced expression and secretion of transforming growth factor in primary pulmonary adventitial fibroblasts and NR8383 cell line, inhibited the hypoxia or transforming growth factor-beta-induced phosphorylation of smad3 in rat primary pulmonary artery smooth muscle cells. These results demonstrate that danshensu ameliorates hypoxic pulmonary hypertension in rats by inhibiting the hypoxia-induced proliferation of pulmonary artery smooth muscle cells, and the inhibition effects is associated with transforming growth factor-beta-smad3 pathway. Therefore danshensu may be a potential treatment for hypoxic pulmonary hypertension. PMID- 29221953 TI - Antitumor action of 3-bromopyruvate implicates reorganized tumor growth regulatory components of tumor milieu, cell cycle arrest and induction of mitochondria-dependent tumor cell death. AB - Evidences demonstrate that metabolic inhibitor 3-bromopyruvate (3-BP) exerts a potent antitumor action against a wide range of malignancies. However, the effect of 3-BP on progression of the tumors of thymic origin remains unexplored. Although, constituents of tumor microenvironment (TME) plays a pivotal role in regulation of tumor progression, it remains unclear if 3-BP can alter the composition of the crucial tumor growth regulatory components of the external surrounding of tumor cells. Thus, the present investigation attempts to understand the effect of 3-BP administration to a host bearing a progressively growing tumor of thymic origin on tumor growth regulatory soluble, cellular and biophysical components of tumor milieu vis-a-vis understanding its association with tumor progression, accompanying cell cycle events and mode of cell death. Further, the expression of cell survival regulatory molecules and hemodynamic characteristics of the tumor milieu were analysed to decipher mechanisms underlying the antitumor action of 3-BP. Administration of 3-BP to tumor-bearing hosts retarded tumor progression accompanied by induction of tumor cell death, cell cycle arrest, declined metabolism, inhibited mitochondrial membrane potential, elevated release of cytochrome c and altered hemodynamics. Moreover, 3 BP reconstituted the external milieu, in concurrence with deregulated glucose and pH homeostasis and increased tumor infiltration by NK cells, macrophages, and T lymphocytes. Further, 3-BP administration altered the expression of key regulatory molecules involved in glucose uptake, intracellular pH and tumor cell survival. The outcomes of this study will help in optimizing the therapeutic application of 3-BP by targeting crucial tumor growth regulatory components of tumor milieu. PMID- 29221954 TI - Total particulate matter from cigarette smoke disrupts vascular development in zebrafish brain (Danio rerio). AB - Several studies have demonstrated zebrafish as a useful high-throughput in vivo model to study the effects of cigarette smoke on early development. It has been shown previously that exposure of zebrafish to cigarette smoke total particulate matter (TPM) leads to several adverse physiological aberrations, including heart deformities and improper angiogenesis. Consequently, this study investigated the effects of TPM on cardiovascular development in zebrafish that were exposed to increasing concentrations of TPM based upon nicotine content from 6h post fertilization (hpf) up to 72hpf. We show that TPM exposure in wild-type embryos led to a dose-dependent increase in fluorescence, especially in the yolk and head regions, suggesting bioaccumulation of cyclic compounds in TPM, such as polycyclic aromatic hydrocarbons (PAHs). Similarly, the incidence of cranial hemorrhage, pericardial edema, and string heart was increased with TPM exposure in a dose-dependent manner. Additionally, TPM exposure in transgenic (Flk1:eGFP) zebrafish showed a decrease in vascular abundance in the brain, but the transcript abundance of key angiogenic genes Tie-2, Angpt1, Notch3, and Flk1 remained largely unchanged and that of Vegf actually increased with TPM. The study also investigated aspects of a proposed crosstalk between the activation of the aryl hydrocarbon receptor (AhR) pathway and subsequent inhibition of the Wnt signaling pathway, resulting in cardiac malformations. In an effort to reduce the occurrence of cardiovascular malformations, embryos/larvae were co-treated with CHIR99021 (CHIR), which should promote Wnt signaling. However, co-treatment with CHIR did not significantly affect the TPM-induced cardiovascular toxicity. Overall, results from this study demonstrate that exposure to TPM leads to several cardiovascular deformities and disrupted vascular development in the brain, and that these effects are associated with downregulation of Wnt signaling. PMID- 29221955 TI - Comparison of external and internal implant-abutment connections for implant supported prostheses. A systematic review and meta-analysis. AB - OBJECTIVE: The systematic review and meta-analysis aimed to answer the PICO question: "Do patients that received external connection implants show similar marginal bone loss, implant survival and complication rates as internal connection implants?". DATA: Meta-analyses of marginal bone loss, survival rates of implants and complications rates were performed for the included studies. Study eligibility criteria included (1) randomized controlled trials (RCTs) and/or prospective, (2) studies with at least 10 patients, (3) direct comparison between connection types and (4) publications in English language. The Cochrane risk of bias tool was used to assess the quality and risk of bias in RCTs, while Newcastle-Ottawa scale was used for non-RCTs. SOURCE: A comprehensive search strategy was designed to identify published studies on PubMed/MEDLINE, Scopus, and The Cochrane Library databases up to October 2017. STUDY SELECTION: The search identified 661 references. Eleven studies (seven RCTs and four prospective studies) were included, with a total of 530 patients (mean age, 53.93 years), who had received a total of 1089 implants (461 external-connection and 628 internal connection implants). The internal-connection implants exhibited lower marginal bone loss than external-connection implants (P<0.00001; Mean Difference (MD): 0.44mm; 95% Confidence interval (CI): 0.26-0.63mm). No significant difference was observed in implant survival (P=0.65; Risk Ratio (RR): 0.83; 95% CI: 0.38-1.84), and complication rates (P=0.43; RR: 1.15; 95% CI: 0.81-1.65). CONCLUSION: Internal connections had lower marginal bone loss when compared to external connections. However, the implant-abutment connection had no influence on the implant's survival and complication rates. Based on the GRADE approach the evidence was classified as very low to moderate due to the study design, inconsistency, and publication bias. Thus, future research is highly encouraged. CLINICAL SIGNIFICANCE: Internal connection implants should be preferred over external connection implants, especially when different risk factors that may contribute to increased marginal bone loss are present. PMID- 29221956 TI - Global burden of molar incisor hypomineralization. AB - OBJECTIVES: We aimed to systematically review and meta-analyze the global, super regional, regional and national prevalence of molar-incisor-hypomineralization (MIH) and to determine the numbers of prevalent and incident cases on different spatial scales. The review was registered (PROSPERO CRD42017063842). SOURCES: Five electronic databases (Medline, EMBASE, LILACS, Web of Science, Google Scholar) were searched systematically. STUDY SELECTION: Observational studies on the prevalence of MIH were included and the prevalence on different spatial scales (global, super-regional, regional, national) synthesized using random effects meta-analyses. The prevalence was then regressed on a large set of methodological, socioeconomic and environmental variables to estimate the global burden (incident and prevalent cases) of MIH. DATA: Of 2239 identified studies, 99 studies on 113,144 participants from 43 countries were included. The meta analysis yielded a mean (95% CI) prevalence of 13.1% (11.8-14.5%), with significant differences between super-regions, regions and countries. The number of prevalent cases in 2015 was estimated at 878 (791-971) million people, while the number of incident cases in 2016 was 17.5 (15.8-19.4) million. Of these, 27.4% (23.5-31.7%) (in mean, 240 million prevalent and 4.8 million incident cases, respectively) were or will be in need of therapy due to pain, hypersensitivity or posteruptive breakdown. Heavily populated countries contribute significantly to the burden of prevalent cases, while growing countries like India, but also Pakistan or Indonesia rank first with respect to the number of incident cases. CONCLUSIONS: MIH is highly prevalent across the globe. Certain (mainly low- and middle income) countries shoulder the majority of this burden. Clinical significance The consistently high prevalence and the large proportion of cases in need of care should be considered by both clinicians in their daily practice and healthcare planners and policy makers. PMID- 29221957 TI - Endovascular repair of complex Juxtarenal aortic aneurysm using a combined fenestrated endograft and chimney technique. AB - Chimney EVAR (CHEVAR) and Fenestrated EVAR (FEVAR) are two options for management of very complex abdominal aortic aneurysm (AAA). While some anatomical factors may favor one strategy over the other, there are some cases where the anatomical challenges may require using a hybrid approach. We are reporting the case of an 84-year-old male with a 6.8*5.7cm infrarenal abdominal aortic aneurysm that arises immediately below the level of the renal arteries and extends down to just above the iliac bifurcation with occluded celiac and inferior mesenteric arteries and severe bilateral renal artery stenosis with caudally oriented right renal and cranially oriented left renal artery. This case shows that a combined strategy with fenestrated graft and Chimney stenting is feasible for aortic aneurysm repair and may offer a reasonable option for patients with very complex aortic anatomy. PMID- 29221958 TI - A comparison of the ultrathin Orsiro Hybrid sirolimus-eluting stent with contemporary drug-eluting stents: A meta-analysis of randomized controlled trials. AB - BACKGROUND: Recent studies suggest the Orsiro sirolimus-eluting stent (O-SES), which has ultrathin struts with a biodegradable sirolimus-eluting polymer coating, performed better than contemporary drug-eluting stents (DES). We performed a meta-analysis to compare clinical outcomes for all randomized controlled trials (RCTs) of O-SES vs contemporary DES. METHODS/MATERIALS: PubMed, Cochrane CENTRAL, and meeting abstracts were searched for all RCTs comparing O SES with contemporary DES. Pooled estimates of longest available clinical outcomes at a minimum of one-year follow-up, presented as odds ratios (OR) [95% confidence intervals], were generated with random-effect models. RESULTS: We included 8 RCTs with a total of 11,176 patients (5444 O-SES and 5732 contemporary DES [3537 EES, 1295 ZES, and 1264 BP-BES) with a mean age of 65+/-11, 74% were male, 40% underwent PCI for stable angina, and 56% for ACS. We assessed outcomes comparing O-SES vs. everolimus-eluting stents, vs. permanent-polymer DES, and vs. all DES including biodegradable-polymer DES. Orsiro performed comparably in all categories with a trend toward a reduction in myocardial infarction (0.83 [0.68, 1.02], p=0.07) and stent thrombosis (0.75 [0.54, 1.04], p=0.08). CONCLUSION: Overall, the Orsiro SES had similar clinical outcomes to contemporary DES with a trend toward reduction in myocardial infarction and stent thrombosis. PMID- 29221959 TI - Robotically-assisted percutaneous coronary intervention: Reasons for partial manual assistance or manual conversion. AB - BACKGROUND: Robotically-assisted percutaneous coronary intervention (R-PCI) is feasible for simple coronary lesions. OBJECTIVES: To determine the frequency and reasons for partial manual assistance or manual conversion during R-PCI in clinical practice. METHODS: The CorPath 200 System (Corindus, Waltham, MA) enables the operator to sit in a radiation-shielded cockpit and remotely control intracoronary devices including guidewires, balloons, and stents. Consecutive R PCI procedures performed over 18months were analyzed to identify reasons for planned or unplanned manual assistance or manual conversion, and categorized as due to 1) adverse event; 2) technical limitation of the robotic platform; or 3) limited guide catheter/wire support. RESULTS: During the study period, 108 R-PCI procedures (68.1+/-11.0years, 77.8% men, 69.4% elective PCI, 78.3% type B2/C lesions, and 50.3% left anterior descending/left main target lesion segment) were performed. High robotic technical success (91.7%) and clinical procedural success (99.1%) were achieved. Twenty procedures (18.5%) required either planned partial manual assistance (3.7%), unplanned partial manual assistance (7.4%), or manual conversion (7.4%). Among these procedures, manual assistance/conversion was required in 3 procedures for an adverse event (15%), 8 for technical limitation of the robotic platform (40%), and 9 for guide catheter/wire support issues (45%). CONCLUSIONS: High clinical success with R-PCI for a complex lesion cohort is possible with only occasional partial manual assistance or manual conversion. The majority of procedures requiring manual assistance/conversion were due to limited guide catheter/wire support or robotic platform limitations, rather than occurrence of adverse events. PMID- 29221960 TI - When everything else fails: High-pressure balloon for undilatable lesions. AB - Heavily calcified lesions are encountered with increasing frequency during percutaneous coronary interventions (PCI). This poses a significant problem as it often leads to suboptimal stent expansion, which in turn is a major cause for stent restenosis and thrombosis. Various technologies have been developed to tackle this. The high-pressure balloon (OPN) seems to be a promising adjunct in treating undilatable lesions. In this concise mini review we highlight the use of HPB and we present the current status of technology implemented in complex PCI cases. PMID- 29221961 TI - Prevalence of high on-treatment (aspirin and clopidogrel) platelet reactivity in patients with critical limb ischemia. AB - OBJECTIVES: The goal of this study is to establish the prevalence of high on treatment platelet reactivity to aspirin (HPRA) and clopidogrel (HPRC) in patients with critical limb ischemia (CLI). BACKGROUND: CLI is associated with an increased risk of death and cardiovascular events. Unlike other patient populations with atherosclerotic cardiovascular disease, previous studies failed to demonstrate a benefit of antiplatelet therapy in patients with CLI. METHODS: From June 2014 to November 2016, we performed platelet reactivity studies for P2Y12 and thromboxane A2 (TXA2) inhibition in 100 CLI patients receiving daily treatment with aspirin and clopidogrel. P2Y12 inhibition was measured by two assays: vasodilator-stimulated phosphoprotein (VASP) and VerifyNow P2Y12 assays. HPRC was defined as VerifyNow P2Y12 reactive units (PRU) >208 and VASP-platelet reactivity index (VASP-PRI) >50%. TXA2 inhibition was measured with the VerifyNow aspirin test and HPRA was defined as aspirin reaction units (ARU) >550. RESULTS: Mean age was 67+/-11 years, 50% were male, 80% had diabetes mellitus, and 26% had chronic renal insufficiency. Thirty-three percent of patients had a PRU >208 and 46% a VASP-PRI >50%. HPRC was present in 26% of patients based on the criteria of both a PRU >208 and VASP-PRI >50%. HPRA was present in 25% of patients. The overall prevalence of HPR to ASA or clopidogrel was 35% and HPR to both drugs was present in 8% of patients. Clinical characteristics were similar between groups. CONCLUSIONS: HPR to aspirin or clopidogrel is highly prevalent in patients with CLI. Nearly one in ten patients with CLI is a hyporesponder to both aspirin and clopidogrel. PMID- 29221964 TI - Inflammatory hepatic adenomas: Characterization with hepatobiliary MRI contrast agents. AB - PURPOSE: To characterize the MRI appearance of inflammatory hepatic adenomas using hepatobiliary contrast agents. MATERIALS AND METHODS: MRI was performed using hepatobiliary contrast agents (3 with gadobenate dimeglumine and 24 with gadoxetic acid) in 27 patients with immunohistochemistry-confirmed diagnosis of inflammatory hepatic adenoma. The appearance of the lesions on T2 and diffusion weighted images, pre-gadolinium T1-weighted images, dynamic post-gadolinium images, and hepatobiliary phase images was assessed. RESULTS: Seven lesions (26%) showed predominant hyperenhancement on hepatobiliary phase images in comparison with adjacent hepatic parenchyma: 1 lesion showed diffuse, mildly heterogeneous hyperenhancement, and the remaining 6 lesions showed peripheral hyperenhancement and central hypoenhancement. Twenty lesions (74%) were predominantly hypoenhancing compared to adjacent liver on hepatobiliary phase images. Nine lesions showed a pattern of peripheral hyperenhancement and central hypoenhancement on hepatobiliary phase images; in 6 of these lesions a majority of the mass appeared hyperenhancing, while the remaining 3 lesions showed predominant hypoenhancement. CONCLUSIONS: This investigation shows that a significant percentage of inflammatory hepatic adenomas appear isointense or hyperintense in comparison to adjacent normal liver on hepatobiliary phase images, and therefore this feature should not be used to distinguish hepatic adenomas from focal nodular hyperplasia without additional supporting evidence. PMID- 29221962 TI - Drug delivery and tissue engineering to promote wound healing in the immunocompromised host: Current challenges and future directions. AB - As regenerative medicine matures as a field, more promising technologies are being translated from the benchtop to the clinic. However, many of these strategies are designed with otherwise healthy hosts in mind and validated in animal models without other co-morbidities. In reality, many of the patient populations benefiting from drug delivery and tissue engineering-based devices to enhance wound healing also have significant underlying immunodeficiency. Specifically, patients suffering from diabetes, malignancy, human immunodeficiency virus, post-organ transplantation, and other compromised states have significant pleotropic immune defects that affect wound healing. In this work, we review the role of different immune cells in the regenerative process, highlight the effect of several common immunocompromised states on wound healing, and discuss different drug delivery strategies for overcoming immunodeficiencies. PMID- 29221963 TI - Detection of IgE Reactivity to a Handful of Allergen Molecules in Early Childhood Predicts Respiratory Allergy in Adolescence. AB - BACKGROUND: Sensitization in early childhood may precede respiratory allergy in adolescence. METHODS: IgE reactivity against 132 allergen molecules was evaluated using the MeDALL microarray in sera obtained from a random sample of 786 children at the age of 4, 8 and 16years in a population based birth cohort (BAMSE). Symptoms were analyzed by questionnaire at ages 4, 8 and 16years. Clinically and independent relevant allergen molecules accounting for >=90% of IgE reactivities in sensitized individuals and at all time-points were identified as risk molecules and used to predict respiratory allergy. The data was replicated in the Manchester Asthma and Allergy Study (MAAS) birth cohort by studying IgE reactivity with the use of a commercial IgE microarray. Sera were obtained from children at the ages of 3, 5, 8 and 11years (N=248) and the outcome was studied at 11years. FINDINGS: In the BAMSE cohort 4 risk molecules could be identified, i.e.: Ara h 1 (peanut), Bet v 1 (birch), Fel d 1 (cat), Phl p 1 (grass). For MAAS the corresponding number of molecules was 5: Der p 1 (dust mite), Der f 2 (dust mite), Phl p 1 (grass), Phl p 5 (grass), Fel d 1 (cat). In BAMSE, early IgE reactivity to >=3 of 4 allergen molecules at four years predicted incident and persistent asthma and/or rhinitis at 16years (87% and 95%, respectively). The corresponding proportions in the MAAS cohort at 16years were 100% and 100%, respectively, for IgE reactivity to >=3 of 5 risk molecules. INTERPRETATIONS: IgE reactivity to a few allergen molecules early in life identifies children with a high risk of asthma and/or rhinitis at 16years. These findings will be of importance for developing preventive strategies for asthma and rhinitis in children. PMID- 29221965 TI - Diffusion kurtosis imaging of a human nasopharyngeal carcinoma xenograft model: Initial experience with pathological correlation. AB - PURPOSE: The aim of this study was to investigate the relationship between diffusion kurtosis imaging (DKI)-related parameters and pathological measures using human nasopharyngeal carcinoma (NPC) xenografts in a nude mouse model. MATERIALS AND METHODS: Twenty-six BALB/c-nu nude mice were divided into two groups that were injected with two different nasopharyngeal squamous cell carcinoma cell lines (CNE1 and CNE2). DK magnetic resonance (MR) imaging was performed on a 3.0 Tesla MR scanner. DWI and DKI-related parameters, including apparent diffusion coefficient (ADC), mean diffusivity (MD) and mean kurtosis (MK) were measured. Mice were euthanatized when the maximum diameter of the primary tumor reached 1.5cm after MR scanning. Tumor tissues were then processed for hematoxylin and eosin staining. The pathological images were analyzed using a computer-aided pixel-wise clustering method to evaluate tumor cellular density, nuclei portion, cytoplasm portion, extracellular space portion, the ratio of nuclei to cytoplasm and the ratio of nuclei to extracellular space. The relationships between DWI and DKI-related parameters and pathological features were analyzed statistically. RESULTS: The ADC and MD values of the CNE1 group (1.16+/-0.24*10-3mm2/s, 2.28+/-0.29*10-3mm2/s) was higher than that of the CNE2 group (0.82+/-0.14*10-3mm2/s, 1.53+/-0.24*10-3mm2/s, P<0.001), but the MK values between the two groups were not significantly different (CNE1: 0.55+/-0.14; CNE2: 0.47+/-0.23; P>0.05). A Pearson test showed that the ADC and MD values were significantly correlated with cellular density, nuclei portion, extracellular space portion and the ratio of nuclei to extracellular space (r=-0.861; -0.909, P<0.001; r=-0.487; 0.591, P<0.05; r=0.567; 0.625, P<0.05; r=-0.645; -0.745, P<0.001, respectively). The MK values were significantly correlated with nuclei portion, cytoplasm portion and the ratio of nuclei to cytoplasm (r=-0.475, P<0.05; r=0.665, P<0.001; r=-0.494, P<0.05, respectively). CONCLUSION: The preliminary animal results suggest that DKI findings can provide valuable bio information for NPC tissue characterization. DKI imaging might be utilized as a surrogate biomarker for the non-invasive assessment of tumor microstructures. PMID- 29221966 TI - Lesion magnetic susceptibility response to hyperoxic challenge: A biomarker for malignant brain tumor microenvironment? AB - BACKGROUND AND PURPOSE: Quantitative susceptibility mapping has been previously used to differentiate lesions in patients with brain tumors. The aim of this work was to characterize the response of magnetic susceptibility differences in malignant brain tumors and surrounding edema to hyperoxic and hypercapnic respiratory challenges. METHODS: Images of malignant brain tumor patients (2 glioblastoma multiforme, 2 anaplastic astrocytoma, 1 brain metastasis) with clinical MRI exams (contrast-enhanced T1w) were acquired at 3T. 3D multi-gradient echo data sets were acquired while the patients inhaled medical-air (21% O2), oxygen (100% O2), and carbogen (95% O2, 5% CO2). Susceptibility maps were generated from real and imaginary data. Regions of interest were analyzed with respect to respiration-gas-induced susceptibility changes. RESULTS: Contrast enhancing tumor regions with high baseline magnetic susceptibility exhibited a marked susceptibility reduction under hyperoxic challenges, with a stronger effect (-0.040 to -0.100ppm) under hypercapnia compared to hyperoxia (-0.010 to 0.067ppm). In contrast, regions attributed to necrotic tissue and to edema showed smaller changes of opposite sign, i.e. paramagnetic shift. There was a correlation between malignant tumor tissue magnetic susceptibility at baseline under normoxia and the corresponding susceptibility reduction under hypercapnia and - to a lesser degree - under hyperoxia. CONCLUSION: In this small cohort of analysis, quantification of susceptibility changes in response to respiratory challenges allowed a complementary, functional differentiation of tumorous sub regions. Those changes, together with the correlations observed between baseline susceptibility under normoxia and susceptibility reduction with challenges, could prove helpful for a non-invasive characterization of local tumor microenvironment. PMID- 29221967 TI - Improving Cognitive Function in Patients with Stroke: Can Computerized Training Be the Future? AB - BACKGROUND: Cognitive impairment after stroke is common and can cause disability with a high impact on quality of life and independence. Cognitive rehabilitation is a therapeutic approach designed to improve cognitive functioning after central nervous system's injuries. Computerized cognitive rehabilitation (CCR) uses multimedia and informatics resources to optimize cognitive compromised performances. The aim of this study is to evaluate the effects of pc cognitive training with Erica software in patients with stroke. METHODS: We studied 35 subjects (randomly divided into 2 groups), affected by either ischemic or hemorrhagic stroke, having attended from January 2013 to May 2015 the Laboratory of Robotic and Cognitive Rehabilitation of Istituto di Ricerca e Cura a Carattere Scientifico Neurolesi in Messina. Cognitive dysfunctions were investigated through a complete neuropsychological battery, administered before (T0) and after (T1) each different training. RESULTS: At T0, all the patients showed language and cognitive deficits, especially in attention process and memory abilities, with mood alterations. After the rehabilitation program (T1), we noted a global cognitive improvement in both groups, but a more significant increase in the scores of the different clinical scales we administered was found after CCR. CONCLUSIONS: Our data suggest that cognitive pc training by using the Erica software may be a useful methodology to increase the post-stroke cognitive recovery. PMID- 29221968 TI - Clinical Study of Intravenous, Low-Dose Recombinant Tissue Plasminogen Activator for Acute Cerebral Infarction: Comparison of Treatment within 3 Hours versus 3 4.5 Hours. AB - BACKGROUND: An intravenous recombinant tissue plasminogen activator (rt-PA, alteplase .6 mg/kg) for acute cerebral infarction within 3 hours of onset was approved in Japan in 2005. The treatment window was subsequently extended to within 4.5 hours of onset. However, few Japanese studies have compared the efficacy and safety of rt-PA therapy between patients treated within 3 hours and patients treated within 3-4.5 hours. METHODS: This study included 323 patients who received rt-PA for acute cerebral infarction within 3 hours or 3-4.5 hours between April 2007 and March 2017. Patients' characteristics, outcomes (modified Rankin Scale [mRS] score at 3 months), and symptomatic intracranial hemorrhage (sICH) were retrospectively investigated. RESULTS: Of the 323 patients, 219 were treated within 3 hours and 104 were treated at 3-4.5 hours. Among patients receiving rt-PA alone, 154 were treated within 3 hours (3-hour group), and 69 were treated at 3-4.5 hours (3-4.5-hour group). There was no difference in the sICH rate (3.9% versus 4.3%, respectively; P = 1.00) or mRS score of 0-1 (38.3% versus 40.6%, respectively; P = .76) between these groups. In patients receiving additional neuroendovascular therapy, 65 were in the 3-hour group and 35 were in the 3-4.5-hour group. There was no significant difference in the sICH rate (1.5% versus 0%, respectively; P = 1.00) or mRS score of 0-1 (30.8% versus 31.4%, respectively; P = 1.00) between these groups. CONCLUSIONS: Low-dose rt-PA treatment from either 3 or 3-4.5 hours after acute cerebral infarction has the same efficacy and safety. PMID- 29221970 TI - Practical Application of Biogenic Amine Profiles for the Diagnosis of Patients with Ischemic Stroke. AB - BACKGROUND: Ischemic stroke (IS) is still one of the major issues in medicine. Still, early diagnosis and misdiagnosis remain the main barriers for proper patient treatment and follow-up. Exploring new potential diagnostic biomarkers for IS is relevant to decrease patient morbidity and the occurrence of poststroke diseases. Biomedical analysis could bring new light to the background of IS and in such a way-propose new bioanalytical tools for the early diagnosis, prognostication, and monitoring of IS. MATERIALS AND METHODS: This research aimed to present a discussion on the employment of biogenic amines (BAs), as well as their precursory amino acids and main metabolites, as a new panel of biomarkers for IS. Preliminary patient data were presented and the patients were described with respect to their clinical history and examination records, as well as scientific data gained from the liquid extraction-capillary electrophoresis determination of BAs in the patients' urine samples. RESULTS: The results showed the potential of BA screening using the developed sample preparation and analysis methods in urine during IS, and this will be further studied on a more numerous group of patients with IS to reveal the usefulness of BAs as a new panel of biomarkers for early IS diagnosis and prognostication. CONCLUSIONS: To our best knowledge, this methodology for the first time has been used for the simultaneous analysis of multiple small molecular biomarkers. In addition, the factors that might influence the determination of BAs in real samples were pointed out. PMID- 29221969 TI - Variability in Gastrostomy Tube Placement for Intracerebral Hemorrhage Patients at US Hospitals. AB - OBJECTIVE: We sought to characterize the variability among US hospitals with regard to gastrostomy tube placement for inpatients with intracerebral hemorrhage (ICH). METHODS: Using the Nationwide Inpatient Sample, we examined variations in the annual rate of gastrostomy tube placement from 2002 to 2011 for ICH patients admitted to hospitals with 30 or more annual ICH admissions. We then directly compared, among these hospitals, their individual frequencies of gastrostomy tube placement for ICH patients over the same time period. To quantify variability among hospitals, we used multilevel multivariable regression models accounting for a hospital random effect, adjusted for patient-level and hospital-level factors predictors of placement. RESULTS: Gastrostomy tube placement rates did not significantly change from 2002 to 2011 (9.8 to 8.7 per 100 admissions; P trend = .57). Among 690 hospitals with 38,080 ICH hospitalizations during this period, 10.4% of patients had a gastrostomy tube placed (n = 3976). Variation in the rate of placement among individual hospitals was large, from 0% to 34.4% (interquartile range 5.7%-13.6%). For a regression model controlling for patient and hospital covariates, the median odds ratio was 1.36 (95% confidence interval 1.28-1.44), indicating that if a patient moved from one hospital to another with a higher intrinsic propensity of placement, there was a 1.36-fold median increase in the odds of receiving a gastrostomy tube, independent of patient and hospital factors. CONCLUSIONS: Variation in gastrostomy tube placement rates across hospitals is large and may in part reflect differences in local practice patterns or patient and surrogate preferences. PMID- 29221971 TI - Preventive Treatment with Lomerizine Increases Cerebral Blood Flows during the Interictal Phase of Migraine. AB - BACKGROUND: Changes in regional cerebral blood flow (rCBF) were reported in migraineurs. However, little is known how preventive medications of migraine can influence rCBF. Lomerizine, a calcium channel blocker, has been used for migraine prophylaxis in Japan. We examined rCBF after lomerizine treatment. SUBJECTS AND METHODS: Migraine was diagnosed according to the criteria of the International Classification of Headache Disorders, Third Edition beta. Migraine subtype was classified into migraine with aura (MA) and migraine without aura (MO). Lomerizine (10 mg/day, per oral) was administered for 3 months. Headache Impact Test-6 (HIT-6) and blood pressure (BP) were compared at baseline and end point. Brain single photon emission computed tomography using 99mTc-ethyl cysteinate dimer was performed at the interictal period. Brain SPECT data were analyzed according to revised version of 3-dimensional stereotaxic region of interest template. Clinic-radiological variables were analyzed by paired Student's t test. RESULTS: Ten migraineurs (4 men and 6 women) participated in the present study. Mean age was 54.1 (standard deviation [SD] 10.1) years. Mean duration of migraine was 25.3 (SD 9.8) years. Migraine subtype showed 4 MA and 6 MO patients. Mean score of HIT-6 was 66.3 (SD 11.7). Lomerizine treatment decreased HIT-6 scores significantly (P < .01). BP did not differ significantly after lomerizine treatment. Lomerizine treatment increased rCBF 20% approximately in the frontal, the parietal, the temporal, and the occipital region. CONCLUSIONS: The present study indicated a significant increase in interictal rCBF after lomerizine treatment in migraineurs. The upregulation of rCBF could contribute to the antimigraine mechanism of lomerizine. PMID- 29221972 TI - Angiopoietin-Like Proteins 4 (ANGPTL4) Gene Polymorphisms and Risk of Brain Arteriovenous Malformation. AB - BACKGROUND: Brain arteriovenous malformations (BAVMs) are formed by hypertrophied arterial vessels (afferents, feeders), a large number of arteriovenous shunts which become tangled to form a body (nidus) of malformation, which then expands draining proximal veins. The aim of this study was a replication of single nucleotide polymorphism (SNP) rs11672433 association with BAVM development with the subsequent meta-analysis of published data. METHODS: A total of 252 Russian patients with brain BAVMs and 480 control subjects were included in the present study. Genotyping was performed using real-time polymerase chain reaction with competitive hydrolysis probes. RESULTS: In our case-control study, we found no significant association with brain arteriovenous malformation for the SNP rs11672433 of ANGPTL4 gene (odds ratio .82, 95% confidence interval = .57-1.17 P value = .27) as well as in meta-analysis (odds ratio 1.18, 95% confidence interval = .81-1.73, P value = .39). CONCLUSIONS: Our data showed that SNP rs11672433 was not associated with the BAVM Russian population and the following meta-analysis did not detect an association in total. Thus, in spite of the fact that ANGPTL4 (protein) participates in the angiogenesis regulation processes, we consider that SNP rs11672433, a high-frequency locus in the ANGPTL4 gene, does not influence the predisposition to BAVM or its effect is too small to be detected in the present size sample set. PMID- 29221973 TI - Pathogens' toolbox to manipulate human complement. AB - The surveillance and pathogen fighting functions of the complement system have evolved to protect mammals from life-threatening infections. In turn, pathogens have developed complex molecular mechanisms to subvert, divert and evade the effector functions of the complement. The study of complement immunoevasion by pathogens sheds light on their infection drivers, knowledge that is essential to implement therapies. At the same time, complement evasion also acts as a discovery ground that reveals important aspects of how complement works under physiological conditions. In recent years, complex interrelationships between infection insults and the onset of autoimmune and complement dysregulation diseases have led to propose that encounters with pathogens can act as triggering factors for disease. The correct management of these diseases involves the recognition of their triggering factors and the development and administration of complement-associated molecular therapies. Even more recently, unsuspected proteins from pathogens have been shown to possess moonlighting functions as virulence factors, raising the possibility that behind the first line of virulence factors there be many more pathogen proteins playing secondary, helping and supporting roles for the pathogen to successfully establish infections. In an era where antibiotics have a progressively reduced effect on the management and control of infectious diseases worldwide, knowledge on the mechanisms of pathogenic invasion and evasion look more necessary and pressing than ever. PMID- 29221974 TI - Criteria for Postoperative Mechanical Ventilation After Thymectomy in Patients With Myasthenia Gravis: A Retrospective Analysis. AB - OBJECTIVE: To determine the criteria for postoperative mechanical ventilation after thymectomy in patients with Myasthenia Gravis. DESIGN: Retrospective study. SETTING: Teritiary care centre. PARTICIPANTS: 77 Myasthenia gravis patients operated for thymectomy were studied. INTERVENTIONS: After obtaining clearance from Institutional ethics committee, medical records of 77 patients with MG, who were operated for thymectomy between January 2005 and December 2015 were reviewed in a retrospective manner. Perioperative variables collected from the patient records were demographic data, duration of the disease, Osserman and Genkin classification, Anti-acetylcholine antibody (AChR) positivity, preoperative daily dose of drug, history of preoperative myasthenic crisis, preoperative vital capacity, technique of anesthesia, drugs used for anesthesia, perioperative complications, and duration of postoperative mechanical ventilation. The patients were divided into two groups, group I and group II consisting of those who required postoperative ventilation for < 300 minutes and > 300 minutes, respectively. The determinants of prolonged postoperative ventilation were studied. MEASUREMENTS AND MAIN RESULTS: The requirement of mechanical ventilation was higher in patients with higher Osserman's grade of myasthenia gravis. Duration of the disease had no effect on the duration of mechanical ventilation in myasthenic patients post thymectomy (p = 0.89). The patients with a preoperative history of myasthenic crisis had a requirement for prolonged mechanical ventilation (p=0.03). Patients with preoperative vital capacity < 2.9 litres and preoperative CT scan showing thymoma had a requirement for prolonged mechanical ventilation with p values < 0.001 and 0.035, respectively. Patients who showed positivity for anti-acetylcholine antibodies had a prolonged mechanical ventilation (p=0.026). Preoperative dose of pyridostigmine and the choice of continuation or discontinuation of antcholinesterases on the day of surgery had no influence on the duration of mechanical ventilation (p value of 0.19 and 0.36 respectively). Epidural analgesia intra and postoperatively significantly reduced the requirement of mechanical ventilation (p=0.006). CONCLUSION: The predictors of postoperative ventilation in myasthenic patients undergoing thymectomy as per our study are: 1. Grade of myasthenia; 2. History of preoperative myasthenic crisis; 3. Anti-acetylcholine antibodies positivity; 4. Presence of thymoma; and 5. a vital capacity < 2.9 litres. Use of thoracic epidural as a part of combined anesthetic technique helps to reduce the need of mechanical ventilation in these patients. PMID- 29221975 TI - A Story of Migration of a Surgically Implanted Aortic Sutureless Valve. PMID- 29221976 TI - Modeling Patient-Specific Deformable Mitral Valves. AB - Medical imaging has advanced enormously over the last few decades, revolutionizing patient diagnostics and care. At the same time, additive manufacturing has emerged as a means of reproducing physical shapes and models previously not possible. In combination, they have given rise to 3-dimensional (3D) modeling, an entirely new technology for physicians. In an era in which 3D imaging has become a standard for aiding in the diagnosis and treatment of cardiac disease, this visualization now can be taken further by bringing the patient's anatomy into physical reality as a model. The authors describe the generalized process of creating a model of cardiac anatomy from patient images and their experience creating patient-specific dynamic mitral valve models. This involves a combination of image processing software and 3D printing technology. In this article, the complexity of 3D modeling is described and the decision making process for cardiac anesthesiologists is summarized. The management of cardiac disease has been altered with the emergence of 3D echocardiography, and 3D modeling represents the next paradigm shift. PMID- 29221977 TI - Re-examining Factors Associated With Mortality After Heart Transplantation: A Focus on Recipient Age and Relative Pulmonary Hypertension. PMID- 29221978 TI - Influence of 6% Hydroxyethyl Starch 130/0.4 Versus Crystalloid Solution on Structural Renal Damage Markers After Coronary Artery Bypass Grafting: A Post Hoc Subgroup Analysis of a Prospective Trial. AB - OBJECTIVE: The restriction of hydroxyethyl starch (HES) has mandated changes in volume management based on data of critically ill patients. Reliable data of structural renal damage after HES treatment in cardiac surgical patients are lacking. The influence of 6% HES 130/0.4 was investigated in this study. DESIGN: An exploratory post hoc subgroup analysis of a prospective trial was performed. SETTING: The study was carried out at a university hospital. PARTICIPANTS: Forty four low-risk cardiac surgical patients were examined. INTERVENTIONS: Twenty-two patients received only crystalloid solutions, and 22 were treated with balanced 6% HES 130/0.4. MEASUREMENTS AND MAIN RESULTS: Functional renal parameters and the structural biomarkers alpha-glutathione S-transferase, kidney injury molecule 1, liver fatty acid-binding protein, and neutrophil gelatinase-associated lipocalin were investigated. Volume balances, vasopressor dosages, blood losses, and coagulation parameters were compared. Most functional and structural renal parameters did not differ between the groups (serum creatinine p = 0.8380). Liver fatty acid-binding protein was transiently higher in the HES group only at 24 hours postoperatively (p = 0.0002). No differences in mortality, acute kidney injury, and need for renal replacement therapy were observed. Blood coagulation was significantly more compromised in the HES group at intensive care unit arrival (factor II, p = 0.0012; factor X, p = 0.0031; thrombocytes, p = 0.0010). Blood losses, and vasopressor dosages tended to be higher in HES-treated patients without significance. CONCLUSION: Overall, the values and time courses of the biomarkers used did not indicate evidence of a mechanism for tubular injury caused by HES. PMID- 29221979 TI - Is Pulmonary Artery Catheter Placement in the Setting of Right Atrial Tumor Thrombus Worth the Risk? PMID- 29221980 TI - Coaptation Surface Area and Aortic Regurgitation: The Infinite Potential of Finite Element Analysis. PMID- 29221981 TI - Chest Computed Tomography Image for Accurately Predicting the Optimal Insertion Depth of Left-Sided Double-Lumen Tube. AB - OBJECTIVE: The main objective of this study was to assess the feasibility and accuracy of measuring the distance between the vocal cord and carina using chest computer tomography (CT) as a guide for the intubation of a left-sided double lumen tube (LDLT). DESIGN: Single-center, prospective, randomized study. SETTING: Local hospital in China. PARTICIPANTS: Sixty adult patients undergoing elective thoracic surgery requiring an LDLT for one lung ventilation were enrolled in this study. INTERVENTIONS: Patients were randomly allocated to the following 2 groups: blind intubation group (B group, n = 30) or chest computed tomography-guided group (C group, n = 30). The placement of the LDLT was accomplished using 1 of the 2 intubation methods. After intubation, an independent anesthesiologist evaluated the position of the LDLT and carina and bronchial injuries using fiber optic bronchoscopy. The number of optimal positions, the time for LDLT intubation, the time for fiber optic bronchoscope confirmation, and carina and bronchial injuries were recorded. RESULTS: Sixteen of 30 intubations in the B group were in optimal position, whereas 27 of 30 intubations in the C group were in optimal position; the difference was statistically significant (p < 0.01). The time for intubation of the LDLT took 118.0 +/- 26.2 seconds in the B group and 71.5 +/- 8.7 seconds in the C group (p < 0.01). The time for position confirmation using fiber optic bronchoscope took 40.8 +/- 15.8 seconds in the B group and 18.7 +/- 7.9 seconds in the C group (p < 0.05). The incidences of carina and bronchial injuries were obviously lower in the C group (occurred in 3 of 30 cases) than in the B group (11 of 30 cases) p < 0.05. The incidences of postoperative sore throat and hoarseness showed no significant differences between the 2 groups (p > 0.05). CONCLUSION: This study demonstrated that the method of measuring the distance between the vocal cord and carina according to the chest CT as a guide for the intubation of LDLT is more effective and more accurate than the blind intubation method. PMID- 29221982 TI - Hypothermic Cardiopulmonary Bypass Weaning and Prolonged Postoperative Rewarming in a Patient With Intraoperative Oxygenator Thrombosis. PMID- 29221983 TI - Medication related osteonecrosis of the jaws associated with targeted therapy as monotherapy and in combination with antiresorptives. A report of 7 cases from the Copenhagen Cohort. AB - OBJECTIVE: The aim of this study was to report cases of medication-related osteonecrosis of the jaws (MRONJ) associated with targeted therapy (TT) with or without concomitant antiresorptive treatment, among the Copenhagen ONJ cohort, which includes all consecutive cases of MRONJ seen in Copenhagen. STUDY DESIGN: We retrospectively studied the treatment of 204 consecutive patients with MRONJ, seen between January 2010 and May 2016, to identify those associated with TT. RESULTS: We detected 7 cases of MRONJ associated with TT (3.4%). Four patients received TT only, whereas 3 were concomitantly treated with bisphosphonates (n = 3) and/or denosumab (n = 3). The TT regimens included sunitinib (Sutent) (n = 1), everolimus (Afinitor) (n = 1), erlotinib (Tarceva) (n = 1), bevacizumab (Avastin) (n = 3), dasatinib (Sprycel) (n = 1) and imatinib (Glivec) (n = 1). The MRONJ stage included stages 1 and 2, and mean score on the visual analogue scale for pain in the jaw was 4.0. CONCLUSIONS: Health care providers should be aware of the possibility of MRONJ associated with the TT agents sunitinib, everolimus, and dasatinib and uncommon cancer types, including renal cell carcinoma, non-small cell lung cancer, glioblastoma, and leukemia, where MRONJ may also occur. PMID- 29221984 TI - Accounting for apparent deviations between calorimetric and van't Hoff enthalpies. AB - BACKGROUND: In theory, binding enthalpies directly obtained from calorimetry (such as ITC) and the temperature dependence of the binding free energy (van't Hoff method) should agree. However, previous studies have often found them to be discrepant. METHODS: Experimental binding enthalpies (both calorimetric and van't Hoff) are obtained for two host-guest pairs using ITC, and the discrepancy between the two enthalpies is examined. Modeling of artificial ITC data is also used to examine how different sources of error propagate to both types of binding enthalpies. RESULTS: For the host-guest pairs examined here, good agreement, to within about 0.4kcal/mol, is obtained between the two enthalpies. Additionally, using artificial data, we find that different sources of error propagate to either enthalpy uniquely, with concentration error and heat error propagating primarily to calorimetric and van't Hoff enthalpies, respectively. CONCLUSIONS: With modern calorimeters, good agreement between van't Hoff and calorimetric enthalpies should be achievable, barring issues due to non-ideality or unanticipated measurement pathologies. Indeed, disagreement between the two can serve as a flag for error-prone datasets. A review of the underlying theory supports the expectation that these two quantities should be in agreement. GENERAL SIGNIFICANCE: We address and arguably resolve long-standing questions regarding the relationship between calorimetric and van't Hoff enthalpies. In addition, we show that comparison of these two quantities can be used as an internal consistency check of a calorimetry study. PMID- 29221986 TI - Streptococcus pneumoniae two-component regulatory systems: The interplay of the pneumococcus with its environment. AB - Streptococcus pneumoniae is a human pathobiont possessing a diverse array of multifunctional proteins essential for bacterial fitness and virulence. Gene expression is tightly controlled by regulatory components and among the pneumococcal sensorial tools, two-component regulatory systems (TCS) are the most widespread and conserved. This review aims to provide a comprehensive analysis of original studies on pneumococcal TCS on a functional level. Despite a rather chaotic nomenclature, the current available information on pneumococcal regulation by these systems can be conveniently addressed, according to the regulation of pathophysiological cell processes and the responses to detectable environmental signals. Pneumococcal pathophysiological processes driven by TCS can be further categorized into competence and fratricide, bacteriocin production, and virulence factors expression. Conversely, detectable environmental signals by pneumococci can be grouped into antibiotics and cell wall perturbations, environmental stress, and nutrients acquisition. This review summarizes the state of the art on pneumococcal TCS based on an integral approach and thus providing insights into the regulatory network(s) of S. pneumoniae. PMID- 29221985 TI - HOTAIR-mediated reciprocal regulation of EZH2 and DNMT1 contribute to polyphyllin I-inhibited growth of castration-resistant prostate cancer cells in vitro and in vivo. AB - BACKGROUND: Polyphyllin I (PPI), one of the steroidal saponins in paris polyphylla, has been reported to exhibit antitumor effects. However, the detailed molecular mechanism underlying this has not been elucidated. METHODS: Cell viability and cell cycle distribution were measured using 3-(4, 5-dimethylthiazol 2-yl)-2, 5-diphenyltetrazolium bromide (MTT) and Flow cytometry assays, respectively. Cell invasion and migration were examined by Transwell invasion and wound healing assays. Western blot analysis was performed to examine the protein expressions of zeste homolog 2 (EZH2), DNA methyltransferase 1 (DNMT1). QRT-PCR was used to examine the levels of long non-coding RNA (lncRNA) HOX transcript antisense RNA (HOTAIR). Small interfering RNAs (siRNAs) method was used to knockdown HOTAIR. Exogenously expressions of HOTAIR, DNMT1 and EZH2 were carried out by Transient transfection assays. EZH2 promoter activity was measured by Secrete-Pair Dual Luminescence Assay Kit. A nude mice xenograft model was used to confirm the findings in vitro. RESULTS: We showed that PPI significantly inhibited growth, induced cell cycle arrest of castration-resistant prostate cancer (CRPC) cells. In addition, PPI also reduced the migration and invasion in CRPC cells. In mechanism, we found that PPI decreased the protein expressions of EZH2, DNMT1 and levels of HOTAIR. Interestingly, silenced HOTAIR reduced EZH2 and DNMT1 protein expressions. On the contrary, exogenously expressed HOTAIR resisted PPI-inhibited EZH2 and DNMT1 protein expressions, EZH2 promoter activity and cell growth. Moreover, excessive EZH2 antagonized PPI-suppressed DNMT1 protein expression or vice versa. Consistent with this, PPI inhibited tumor growth, HOTAIR, the protein expressions of DNMT1 and EZH2 in vivo. CONCLUSION: Our results show that PPI inhibits growth of CRPC cells through inhibition of HOTAIR expression, subsequently; this results in the repression of DNMT1 and EZH2 expressions. The interactions among HOTAIR, DNMT1 and EZH2, and reciprocal regulation of DNMT1 and EZH2 contribute to the overall responses of PPI. This study reveals a novel mechanism for HOTAIR-mediated regulating DNMT1 and EZH2 in response to PPI in inhibition of the growth of CRPC cells. PMID- 29221988 TI - Modulations of Keap1-Nrf2 signaling axis by TIIA ameliorated the oxidative stress induced myocardial apoptosis. AB - Mounting evidence has strongly implicated oxidative stress in the development of cardiac dysfunction, and myocardial apoptosis contributes to the pathogenesis of heart failure. Quantitative cardiac proteomics data revealed that pressure load by TAC resulted in a significant decline in mitochondrial metabolic activity, where TIIA (Tanshinone IIA sulfonate) treatment reversed it in vivo, which might be mediated by Nrf2. In NRVMs, TIIA treatment ameliorated H2O2-induced caspase 3/9 activations through the suppression of p38 and mTOR signaling pathways, where caspase-mediated cleavage of YY1 and PARP resulted in the defects in mitochondrial biogenesis and DNA repair, and this event finally led to cardiomyocyte apoptosis. Mass spectrometry analysis showed that TIIA hydrophobically interacted with Keap1 (the cytoplasmic repressor of Nrf2) and induced its degradation in vitro. Site-directed mutagenesis of Keap1 identified V122/V123/I125 to be the critical residues for the TIIA-induced de-dimerization and degradation of Keap1. Besides, TIIA treatment also epigenetically up regulated Nrf2 gene transcription, where it hypomethylated the first 5 CpGs of Nrf2 promoter. Furthermore, cardiac-specific Nrf2 knockout mice exhibited the significantly dampened anti-apoptotic effects of TIIA. PMID- 29221989 TI - Differential targeting of membrane lipid domains by caffeic acid and its ester derivatives. AB - Phenolic acids have been associated to a wide range of important health benefits underlain by a common molecular mechanism of action. Considering that significant membrane permeation is prevented by their hydrophilic character, we hypothesize that their main effects result from the interplay with cell membrane surface. This hypothesis was tested using the paradigmatic caffeic acid (CA) and two of its ester derivatives, rosmarinic (RA) and chlorogenic (CGA) acids, for which we predict, based on molecular dynamics simulations, a shallow location in phospholipid bilayers dependent on the protonation-state. Using complementary experimental approaches, an interaction with the membrane was definitely revealed for the three compounds, with RA exhibiting the highest lipid bilayer partition, and the redox signals of membrane-bound RA and CA being clearly detected. Cholesterol decreased the compounds bilayer partition, but not their ability to lower membrane dipole potential. In more complex membrane models containing also sphingomyelin, with liquid disordered (ld)/ liquid ordered (lo) phases coexistence, mimicking domains in the external leaflet of human plasma membrane, all compounds were able to affect nanodomains lateral organization. RA, and to a lesser extent CGA, decreased the size of lo domains. The most significant effect of CA was the possible formation of a rigid gel-like phase, enriched in sphingomyelin. In addition, all phenolic acids decreased the order of lo domains. In sum, phenolic acid effects on the membrane are enhanced in cholesterol-rich lo phases, which predominate in the outer leaflet of human cell membranes and are involved in many key cellular processes. PMID- 29221987 TI - Hierarchical recognition of amino acid co-germinants during Clostridioides difficile spore germination. AB - Bile acids are an important signal for germination of Clostridioides difficile spores; however, the bile acid signal alone is not sufficient. Amino acids, such as glycine, are another signal necessary for germination by C. difficile spores. Prior studies on the amino acid signal required for germination have shown that there is a preference for the amino acid used as a signal for germination. Previously we found that d-alanine can function as a co-germinant for C. difficile spores at 37 degrees C but not at 25 degrees C. Here, we tested the ability of other amino acids to act as co-germinants with taurocholate (TA) at 37 degrees C and found that many amino acids previously categorized as non-co germinants are co-germinants at 37 degrees C. Based on the EC50 values calculated for two different strains, we found that C. difficile spores recognize different amino acids with varying efficiencies. Using this data, we ranked the amino acids based on their effect on germination and found that in addition to d alanine, other D-forms of amino acids are also used by C. difficile spores as co germinants. Among the different types of amino acids, ones with branched chains such as valine, leucine, and isoleucine are the poorest co-germinants. However, glycine is still the most effective amino acid signal for both strains. Our results suggest that the yet-to-be-identified amino acid germinant receptor is highly promiscuous. PMID- 29221990 TI - Molecular and cellular mechanisms of chemoresistance in pancreatic cancer. AB - Pancreatic Ductal Adenocarcinoma (PDAC) is one of the most chemoresistant cancers, and current therapies targeting cancer-associated molecular pathways have not given satisfactory results, owing in part to rapid upregulation of alternative compensatory pathways. Most of the available treatments are palliative, focussing on improving the quality of life. At present, available options are surgery, embolization, radiation, chemotherapy, immunotherapy and use of other more targeted drugs. In this review, we describe the cellular and molecular effects of current chemotherapy drugs such as gemcitabine, FOLFIRINOX (5-fluorouracil [5-FU], oxaliplatin, irinotecan, and leucovorin) and ABRAXANE (nab-Paclitaxel), which have shown a survival benefit, although modest, for pancreatic cancer patients. Nevertheless, gemcitabine remains the standard first line option for advanced-stage pancreatic cancer patients and, as resistance to the drug has attracted an increasing scientific interest, we deliberate on the main intracellular processes and proteins vital in acquired chemoresistance to gemcitabine. Lastly, our review examines various microenvironmental factors capable of instigating PDAC to develop resistance to chemotherapeutic drugs. PMID- 29221991 TI - On the Production of Chitosan-Coated Polycaprolactone Nanoparticles in a Confined Impinging Jet Reactor. AB - This work is focused on the synthesis of polycaprolactone nanoparticles, coated with chitosan, in a confined impinging jet reactor using the solvent displacement method. The role of the various reacting species was investigated, evidencing that a biocompatible polymer, for example, polycaprolactone, is required to support chitosan to obtain a monomodal particle size distribution, with low particle diameters. A surfactant is required to reduce the nanoparticle size (down to a mean diameter of about 260 nm) and obtain a positive zeta potential (about +31 mV), perfectly suitable for pharmaceutical applications. Different surfactants were tested, and Poloxamer 388 appeared to be preferable to polyvinyl alcohol. The effect of the concentration of Poloxamer 388 (in the range 0.5-5 mg mL-1) and of chitosan (in the range 1.5-5 mg mL-1) on both the mean particle size and zeta potential was also investigated, evidencing that chitosan concentration has the strongest effect on both parameters. Finally, the effect of solvent evaporation, quenching and feed flow rate was investigated, showing that the evaporation stage does not affect particle characteristics, quenching is required to avoid particle aggregation, and a minimum liquid flow rate of 80 mL min-1 is required in the considered reactor to minimize the particle size. PMID- 29221992 TI - Active Mediated Transport of Chloramphenicol and Thiamphenicol in a Calu-3 Lung Epithelial Cell Model. AB - Pulmonary administration enables high local concentrations along with limited systemic side effects but not all antibiotics could be good candidates. In this perspective, diffusion of the antibiotic chloramphenicol (CHL) and thiamphenicol (THA) through the lung has been evaluated to reassess their potential for pulmonary administration. The apparent permeability (Papp) was evaluated with the Calu-3 cell model. The influence of drug transporters was assessed with the PSC 833, MK-571, and KO-143 inhibitors. The influence of CHL and THA on the cell uptake of rhodamin 123 and fluorescein was also evaluated. Absorptive Papp of CHL and THA was concentration independent with CHL Papp 4 times higher than that of THA. Secretory Papp of CHL was concentration independent, whereas it was concentration dependent for THA with an efflux ratio of 3.6 for the lowest concentration. The use of inhibitors suggested that CHL and THA were substrates of efflux transporters but with a low affinity. In conclusion, the permeability results suggest that the pulmonary route may offer a biopharmaceutical advantage only for THA. Owing to the influence of drug transporters, a higher concentration in the lung than in the plasma is expected mostly for THA, whatever the route of administration. PMID- 29221993 TI - Accuracy of Tubal Patency Assessment in Diagnostic Hysteroscopy Compared with Laparoscopy in Infertile Women: A Retrospective Cohort Study. AB - STUDY OBJECTIVE: To evaluate whether the presence of a visualizable "flow" effect in the fallopian tube ostia in hysteroscopic routine evaluation is predictive of tube patency. DESIGN: A retrospective cohort study (Canadian Task Force Classification II-2). SETTING: Data from all patients who underwent surgery because of infertility at the study center between 2008 and 2016 were analyzed retrospectively. The main outcome parameter was fallopian tube patency as assessed by laparoscopic chromopertubation. The predictive parameters tested were the presence of hysteroscopic tube "flow," general patient characteristics, and intraoperative findings. PATIENTS: Five hundred eleven infertile women who underwent combined hysteroscopy and laparoscopy were included. INTERVENTIONS: All women underwent combined hysteroscopy and laparoscopy. Some had other interventions when necessary, but no additional interventions were taken because of this study. RESULTS: In an analysis of 998 fallopian tubes, the hysteroscopic assessment of fallopian tube "flow" was highly accurate in predicting fallopian tube patency (p < .001), with a sensitivity of 86.4% (95% confidence interval [CI], 83.7-88.8) and a specificity of 77.6% (95% CI, 72.1-82.5). Risk factors for a false-negative hysteroscopy result were the presence of uterine myomas (odds ratio [OR] = 2.11; 95% CI, 1.10-4.05; p = .025), the presence of a hydrosalpinx on the analyzed side (OR = 2.50, 95% CI, 1.17-5.34; p = .019), and the presence of peritubal adhesions surrounding the analyzed tube (OR = 2.87; 95% CI, 1.21 6.76; p = .016). CONCLUSION: A visualizable tube "flow" in hysteroscopy was accurate in the prediction of tubal patency, with a positive predictive value of about 91%. Knowledge about hysteroscopic fallopian tube "flow" can help to plan the future approach in an individual patient. PMID- 29221994 TI - Allele and haplotype diversity of 12 X-STRs in Sardinia. AB - The analysis of clusters of tightly linked X-chromosome short tandem repeat (STR) markers can assist the interpretation of complex kinship cases. However, when linkage disequilibrium (LD) is present in the population of origin of tested individuals, haplotype rather than allele frequencies should be used in likelihood calculations. The diversity of twelve X-STRs arranged in four linkage groups (I: DXS10148-DXS10135-DXS8378; II: DXS7132-DXS10079-DXS10074; III: DXS10103-HPRTB-DXS10101; IV: DXS10146-DXS10134-DXS7423) was tested in a Sardinian population sample (n=516) including three open populations from the Northern, Central and Southern part of the island, and three isolates (Benetutti, Desulo, Carloforte). Evidence of LD was detected in Sardinia within each linkage group. Significant differences in haplotype and allele frequency distribution of X-STR markers was seen between isolates and open populations, which on the contrary appeared highly homogeneous. The percentage of Sardinian haplotypes previously unobserved in a similar dataset compiled for the Italian population was: 76.3% (linkage group I), 61.3% (linkage group II), 54.1% (linkage group III), 58.9% (linkage group IV). Significant pairwise genetic differences were seen between mainland Italy, the three Sardinian isolates, and the open population of Southern Sardinia. The study confirms the presence of high levels and complex patterns of LD along the X chromosome in Sardinia, and provides population-specific haplotype data for biostatistical evaluation in kinship testing. PMID- 29221995 TI - Antimicrobial susceptibility testing of colistin - evaluation of seven commercial MIC products against standard broth microdilution for Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Acinetobacter spp. AB - OBJECTIVE: Both EUCAST and CLSI recommend broth microdilution (BMD) for antimicrobial susceptibility testing of colistin, but BMD is rarely used in routine microbiology laboratories. The objective of this study was to evaluate five commercially available BMD products and two brands of gradient tests for colistin MIC determination using BMD according to ISO standard 20776-1 as reference. METHODS: Colistin MIC determination was performed according to the manufacturer's instructions on five commercially available BMD products (Sensititre, MICRONAUT-S, MICRONAUT MIC-Strip, SensiTest, and UMIC) and two gradient tests (Etest and MIC Test Strip). Colistin reference MICs were determined using frozen panels according to ISO standard 20776-1. An international collection of Gram-negative bacteria (n=75) with varying levels of colistin susceptibility was tested. RESULTS: The colistin BMD products correlated well with reference tests, in particular for Sensititre and the two MICRONAUT products (essential agreement >=96%: 66/69 (96%, CI 88-99%), 72/75 (96%, CI 88 99%) and 74/75 (99%, CI 92-100%)). The results were somewhat poorer for the BMD products SensiTest and UMIC: EA 88% (51/58, CI 77-95%) and 82% (61/74, CI 72 89%), respectively), and considerably poorer for the gradient tests (EA 43-71% depending on gradient test and Mueller-Hinton agar manufacturer). The gradient tests generally underestimated colistin MICs, resulting in a significant number of false susceptible results (9-18 of total 75 tests, compared with 1-3 for the BMD products). CONCLUSIONS: Based on the results of this study, we advise laboratories not to trust gradient tests for colistin susceptibility testing and to use broth microdilution methods for this purpose. There are several commercial broth microdilution tests available and in principle they perform well. PMID- 29221997 TI - What Do Patients Want to Know? Questions and Concerns Regarding Mammography Expressed Through Social Media. AB - PURPOSE: The purpose of this project is to identify questions and concerns patients have regarding breast cancer screening mammography to establish priorities in patient education and health care communication. METHODS: A content analysis of posted questions (June 2010 to February 2017) containing the keywords mammogram and mammography was conducted on the social media question and answer website Quora (Quora Inc, Mountainview, California). Question topic, responses, and number of views were recorded. Comparisons were made by respondent type (medical professional or nonmedical professional) for screening recommendations and accompanying evidence. Descriptive statistics were employed to summarize the results. RESULTS: Overall, 197,620 views of mammography-related questions were identified, focused on 51 questions and 172 responses (51 of 172 [29.7%] by medical professionals [n = 25]; 121 of 172 [70.3%] by nonmedical professionals [n = 121]). Mammographic efficacy (16 of 51 [31.4%]) and screening guidelines (10 of 51 [19.6%]) were the most frequently queried topics. Overall, the majority of respondents were supportive of screening mammography. Most medical professionals recommended screening mammography starting at age 40, even after revisions in guidelines. Among nonmedical professionals, 4 of 22 (18.2%) were against screening mammography with less consensus regarding appropriate age of initial screen. Health society websites and journal articles were the most commonly referenced sources among medical and nonmedical professionals, respectively. CONCLUSION: A considerable interest in screening mammography guidelines and mammographic efficacy exists among users who seek health information on a social media question and answer website. Awareness of such platforms allows a unique opportunity for targeted health education and dissemination of accurate information, which may be able to reach a potentially untapped or hard-to-reach patient population. PMID- 29221998 TI - Locoregional Failure Rounds: A Meaningful Quality Improvement Project. PMID- 29221996 TI - Vitrification, not cryoprotectant exposure, alters the expression of developmentally important genes in in vitro produced porcine blastocysts. AB - The vitrification of embryos is common practice in advanced livestock breeding programs and in human fertility clinics. Recent studies have revealed that vitrification results in aberrant expression of a number of stress related genes. However, few studies have examined the effect that vitrification has on developmentally important genes, and none have been conducted in porcine embryos. The aim of this study was to determine the effects that different vitrification procedures and cryoprotectant combinations have on the expression of imprinted genes in in vitro produced (IVP) porcine blastocysts. The transcript levels of insulin-like growth factor 2 (IGF2) were lower in all groups of vitrified blastocysts compared to that in non-vitrified control blastocysts (P < 0.05). Expression levels of IGF2 and IGF2 receptor (IGF2R) in blastocysts that had been exposed to cryoprotectants without being vitrified were similar to that in non vitrified control blastocysts (P > 0.05). Furthermore, blastocysts vitrified using ethylene glycol and propanediol combined, and those vitrified in a closed device, had IGF2R transcript levels similar to that in non-vitrified control blastocysts (P > 0.05). In conclusion, vitrification, but not exposure to cryoprotectants, caused aberrant expression of the imprinted genes IGF2 and IGF2R. Vitrification protocols that incorporated propanediol or a closed device were found to be least disruptive of gene expression in IVP porcine blastocysts. PMID- 29221999 TI - Supporting Imagers' VOICE: A National Training Program in Comparative Effectiveness Research and Big Data Analytics. AB - Provided methodologic training, more imagers can contribute to the evidence basis on improved health outcomes and value in diagnostic imaging. The Value of Imaging Through Comparative Effectiveness Research Program was developed to provide hands on, practical training in five core areas for comparative effectiveness and big biomedical data research: decision analysis, cost-effectiveness analysis, evidence synthesis, big data principles, and applications of big data analytics. The program's mixed format consists of web-based modules for asynchronous learning as well as in-person sessions for practical skills and group discussion. Seven diagnostic radiology subspecialties and cardiology are represented in the first group of program participants, showing the collective potential for greater depth of comparative effectiveness research in the imaging community. PMID- 29222000 TI - The Triumph of the Machines. PMID- 29222001 TI - The Hatfields, the McCoys, and Anthem's New Policy for Advanced Diagnostic Imaging. PMID- 29222003 TI - The McDonaldization of Radiology. PMID- 29222002 TI - Impact of Simulation-Based Training on Radiology Trainee Education in Ultrasound Guided Breast Biopsies. AB - PURPOSE: The aim of this study is to determine the impact of a simulation-based ultrasound-guided (USG) breast biopsy training session on radiology trainee procedural knowledge, comfort levels, and overall procedural confidence and anxiety. METHODS: Twenty-one diagnostic radiology residents from a single academic institution were recruited to participate in an USG breast biopsy training session. The residents filled out a questionnaire before and after the training session. Ten multiple-choice questions tested general knowledge in diagnostic breast ultrasound and USG breast biopsy concepts. Subjective comfort levels with ultrasound machine and biopsy device functionality, patient positioning, proper biopsy technique, image documentation, needle safety and overall procedural confidence and anxiety levels were reported on a 5-point Likert scale before and after training. RESULTS: Participants demonstrated significant improvement in number of correctly answered general knowledge questions after training (P < .0001). Significant improvement was seen in resident comfort level in ultrasound machine functionality, patient positioning, biopsy device functionality, biopsy technique, image documentation, as well as overall confidence level (all P < .05). Participants indicated a slight but not significant reduction in anxiety levels (P = .27). CONCLUSIONS: A simulation based USG breast biopsy training session may improve radiology trainee procedural knowledge, comfort levels, and overall procedural confidence. PMID- 29222004 TI - Declining Interest in Pediatric Radiology Prompts a Call to Action. PMID- 29222005 TI - Does Involvement in Global Health Reduce Perceived Radiologist Burnout? PMID- 29222006 TI - Wrist Accelerometry for Physical Activity Measurement in Individuals With Spinal Cord Injury-A Need for Individually Calibrated Cut-Points. AB - OBJECTIVE: To create and compare individual and group-based cut-points for wrist accelerometry that correspond to moderate-to-vigorous physical activity (MVPA) in people with spinal cord injury (SCI). DESIGN: Participants completed a graded treadmill-wheeling test while being assessed for oxygen consumption, wrist acceleration vector magnitude, and spoke acceleration. Oxygen consumption was converted to SCI metabolic equivalents (METs), and linear regression was applied to determine an individualized vector magnitude cut-point (counts per minute, VM CPM) corresponding with MVPA (>=3 SCI METs). Multilevel linear regression was applied to determine a group MVPA cut-point. Participants then completed a 6-day monitoring period while wearing the accelerometers. SETTING: A local SCI research center. PARTICIPANTS: Manual wheelchair users (N=20; aged 31-64y; injury levels, C5 to L2) with chronic (>1y) SCI. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Mean total daily MVPA, wheeled MVPA, and nonwheeled MVPA were calculated using both the individual and group cut-points. Agreement on measures of minutes per day of MVPA between the individual and group mean cut-point method was assessed using Bland-Altman plots. RESULTS: Individual cut-points for MVPA ranged from 6040 to 21,540 VM-CPM, with a group cut-point of 11,652 (95% confidence interval, 7395-15,909). For total daily MVPA, Bland-Altman analysis revealed a bias of .22+/-33.0 minutes, with 95% limits of agreement from -64.5 to 64.9 minutes, suggesting a large discrepancy between total MVPA calculated from individual and group mean cut-points. CONCLUSIONS: Individual calibration of wrist-worn accelerometry is recommended for effective habitual PA monitoring in this population. PMID- 29222007 TI - Current Concepts in Pathogenesis, Diagnosis, and Management of Smoking-Related Interstitial Lung Diseases. AB - Tobacco exposure results in various changes to the airways and lung parenchyma. Although emphysema represents the more common injury pattern, in some individuals, cigarette smoke injures alveolar epithelial cells and other lung cells, resulting in diffuse infiltrates and parenchymal fibrosis. Smoking can trigger interstitial injury patterns mediated via recruitment and inappropriate persistence of myeloid and other immune cells, including eosinophils. As our understanding of the role of cigarette smoke constituents in triggering lung injury continues to evolve, so does our recognition of the spectrum of smoking related interstitial lung changes. Although respiratory bronchiolitis interstitial lung disease, desquamative interstitial pneumonia, pulmonary Langerhans cell histiocytosis, and acute eosinophilic pneumonia have a well established association with tobacco use, its role and impact on idiopathic pulmonary fibrosis, combined pulmonary fibrosis and emphysema, and connective tissue disease-related interstitial lung diseases is still ambiguous. Smoking related interstitial fibrosis is a relatively newly appreciated entity with distinct histopathologic features but with unclear clinical ramifications. Increased implementation of lung cancer screening programs and utilization of CT scans in thoracic imaging have also resulted in increased identification of "incidental" or "subclinical" interstitial lung changes in smokers, the ensuing impact of which remains to be studied. PMID- 29222008 TI - Gait Speed: Validity of Measurement in Patients With Severe Chronic Lung Disease, Including Prognostic and Practical Implications. AB - Gait speed is used increasingly to predict function and future well-being among healthy elderly people as well as for those with long-term medical conditions. When selecting outcome measures such as walking speed, it is important to include the circumstances under which the measurement is made to avoid bias and ensure accurate recommendations. We completed a retrospective chart review of walking test results from patients with chronic lung disease to demonstrate the practical implications of reporting gait speed from either a standing or walking start. In this cohort of 99 patients (55 with COPD), gait speed from a standing start underestimated usual gait speed (difference = 6.1 m/min [5.3-6.9 m/min]) with poor agreement (8 m/min [6.6-9.4 m/min]) between the two methods of reporting speed. The standing start speed incorrectly identified some patients as at higher risk for poor health. In a practical example, gait speed from a standing start produced 11 false-negative evaluations of the ability to complete a road crossing at usual speed. We present walking speeds using both methods, which illustrate the importance of construct validity and measurement protocol. PMID- 29222009 TI - Redefining the phenotypic spectrum of de novo heterozygous CDK13 variants: Three patients without cardiac defects. AB - Recently, 7 patients with de novo constitutional non-synonymous mutations in the CDK13 gene were ascertained through a trio exome analysis of a large cohort of 610 patients with congenital cardiac diseases. Despite another report describing 9 additional patients, the clinical spectrum of this condition has yet to be defined. Herein, we report 3 patients with heterozygous constitutional CDK13 mutations, who were ascertained through exome analysis of children with intellectual disability and minor anomalies, who lacked cardiac anomalies. Two patients had a c.2149G > A, p.Gly717Arg mutation, and one had a c.2525A > G, p. Asn842Ser mutation. A review of the previously described patients and those described herein has enabled the following points to be clarified. First, congenital heart diseases are not an essential feature (13/19). Second, nasal features may help syndromic recognition (14/16). Third, widely spaced and peg shaped teeth may represent a previously unappreciated diagnostic clue for this newly identified syndrome. Here, we show that p.Gly717Arg represents a hotspot in addition to p.Asn842Ser. We suggest that this CDK13-related disorder may represent a clinically recognizable syndrome. PMID- 29222010 TI - A novel NR2F2 loss-of-function mutation predisposes to congenital heart defect. AB - Congenital heart defect (CHD) is the most common type of birth defect in humans and a leading cause of infant morbidity and mortality. Previous studies have demonstrated that genetic defects play a pivotal role in the pathogenesis of CHD. However, the genetic basis of CHD remains poorly understood due to substantial genetic heterogeneity. In this study, the coding exons and splicing boundaries of the NR2F2 gene, which encodes a pleiotropic transcription factor required for normal cardiovascular development, were sequenced in 168 unrelated patients with CHD, and a novel mutation (c.247G > T, equivalent to p.G83X) was detected in a patient with double outlet right ventricle as well as ventricular septal defect. Genetic scanning of the mutation carrier's relatives available showed that the mutation was present in all affected family members but absent in unaffected family members. Analysis of the index patient's pedigree displayed that the mutation co-segregated with CHD, which was transmitted as an autosomal dominant trait with complete penetrance. The nonsense mutation was absent in 230 unrelated, ethnically-matched healthy individuals used as controls. Functional deciphers by using a dual-luciferase reporter assay system revealed that the mutant NR2F2 protein had no transcriptional activity as compared with its wild type counterpart. Furthermore, the mutation abrogated the synergistic transcriptional activation between NR2F2 and GATA4, another core cardiac transcription factor associated with CHD. This study firstly associates NR2F2 loss-of-function mutation with an increased susceptibility to double outlet right ventricle in humans, which provides further significant insight into the molecular mechanisms underpinning CHD, suggesting potential implications for genetic counseling of CHD families and personalized treatment of CHD patients. PMID- 29222011 TI - Preparation, characterization and antioxidant activity of polysaccharide from Fallopia multiflora (Thunb.) Harald. AB - This study aimed to investigate antioxidant activities of a polysaccharide from Fallopia multiflora (Thunb.) Harald. F. multiflora polysaccharide (FMP) was prepared and partially characterized by high performance liquid chromatography, fourier transform infrared spectrum and anion chromatography, and its antioxidant activities both in vitro and in vivo were investigated. FMP, with a molecular weight of 17,758Da consisted of glucose. In vivo, FMP had high hydroxyl radical scavenging activity and reducing capacity. In vivo, FMP increased serum superoxide dismutase and glutathione peroxidise activities and decreased the level of malondialdehyde. These results indicated that FMP exhibits high antioxidant activity both in vitro and in vivo and might retard human ageing associated with free radicals. PMID- 29222012 TI - Macrophage immunomodulatory activity of the polysaccharide isolated from Collybia radicata mushroom. AB - Polysaccharides from Collybia radicata mushroom (CRP) possess many functions, such as antiviral, anti-aging and hypolipidemic activities. However, little is known about their immunomodulatory activity. To address this issue, we did a thorough research into their immune effects on murine macrophages. The results showed that the 14942Da polysaccharide not only obviously improved the proliferation and phagocytosis of macrophages, but also induced the secretion of nitric oxide (NO), inducible nitric oxide synthase (iNOS) and cytokines, such as tumor necrosis factor-alpha (TNF-alpha) and interleukin factors (IL-1beta, IL-6 and IL-10). At a concentration of 850.0MUgmL-1, the polysaccharide stimulated their proliferation and phagocytosis to 2.1 and 3.4 times, respectively, as compared to the negative group. Meanwhile, it raised the production of NO by inducing iNOS in a concentration-dependent manner. Furthermore, it enhanced the release of these cytokines to multiples from 2.3 to 3.6 times. As an inhibitor of TLR4 (Toll-like Receptor 4), TAK242 suppressed the secretion of NO, iNOS and cytokines above 51%, and ORP acted on the cells mainly via TLR4. Consequently, the polysaccharide has a potent immunomodulatory activity by stimulating macrophages and can be considered as a novel potential immunopotentiator in medical and food industries. PMID- 29222013 TI - Purification, structural features and immunostimulatory activity of novel polysaccharides from Caulerpa lentillifera. AB - In this study, four purified fractions (CLGP1, CLGP2, CLGP3 and CLGP4) were prepared from green seaweed Caulerpa lentillifera. They were identified to be a novel kind of xylogalactomanans, differed in molecular weight, monosaccharide composition, and the content of uronic acids and sulfate groups, leading to various zeta-potential, ultrastructure and immunostimulatory activity. Especially, CLGP4 was quite different from the others, as it was found to be a homogeneous heteropolysaccharide composed of Xyl, Man and Gal in a percentage ratio of 1.00:2.15:2.40 with 3877.8kDa. Moreover, CLGP4 contained minor uronic acids (2.37%+/-0.94%) and the highest sulfate content (21.26%+/-1.22%). These differences in structural features had an effect on the zeta-potential and ultrastructure of CLGP4, showing rod-, rubble- and ellipsoid-shaped particles with largest negatively charge. In vitro immunostimulatory activity evaluation revealed that all the four fractions significantly stimulated macrophages, but CLGP4 showed more potent immunostimulatory activity due to its stronger function on promoting proliferation of macrophages, enhancing phagocytosis, NO production and acid phosphatase activity in macrophages. Therefore, CLGP4 could be explored as a natural immunomodulator. These results would help a fully exploition of Caulerpa lentillifera polysaccharides recognized as health-improving ingredients in functional foods. PMID- 29222014 TI - Preparation of purified fractions for polysaccharides from Monetaria moneta Linnaeus and comparison their characteristics and antioxidant activities. AB - The aim of this paper was to prepare purified fractions of polysaccharides from Monetaria moneta Linnaeus and further compare their characteristics and antioxidant activities. Firstly, three novel purified fractions, named MM-P1, MM P2 and MM-P3, were successfully prepared by a DEAE-Sepharose fast-flow column. Then, their characteristics were compared using chemical testing, FT-IR, GC and HPGPC. The results suggested that MM-P3 had higher molecular weights than MM-P1 and MM-P2. MM-P1 was consisted of glucose, MM-P2 was consisted of glucose and xylose, and MM-P3 was comprised of glucose, xylose and mannose. Differed from MM P1 and MM-P2, MM-P3 had sulfuric radical and uronic acid groups. Finally, their antioxidant activities were also compared. We found that MM-P3 exhibited better antioxidant bioactivities than MM-P1 and MM-P2. The data demonstrated that three purified fractions derived from different adsorption capacity of DEAE-Sepharose fast-flow column possessed different structural characteristics and antioxidant activity. PMID- 29222015 TI - Synthesis and evaluation on pH- and temperature-responsive chitosan-p(MAA-co NIPAM) hydrogels. AB - In this study, chitosan-poly(methacrylic acid-co-N-isopropylacrylamide) [chitosan p(MAA-co-NIPAM)] hydrogels were synthesized by emulsion polymerization. In order to be used as a carrier for drug delivery systems, the hydrogels had to be biocompatible, biodegradable and multi-responsive. The polymerization was performed by copolymerize MAA and NIPAM with chitosan polymer to produce a chitosan-based hydrogel. Due to instability during synthesis and complexity of components to produce the hydrogel, further study at different times of reaction is important to observe the synthesis process, the effect of end product on swelling behaviour and the most important is to find the best way to control the hydrogel synthesis in order to have an optimal swelling behaviour for drug release application. Studied by using Fourier transform infra-red (FTIR) spectroscopy found that, the synthesized was successfully produced stable chitosan-based hydrogel with PNIPAM continuously covered the outer surface of hydrogel which influenced much on the stability during synthesis. The chitosan and PMAA increased the zeta potential of the hydrogel and the chitosan capable to control shrinkage above human body temperature. The chitosan-p(MAA-co-NIPAM) hydrogels also responses to pH and temperature thus improved the ability to performance as a drug carrier. PMID- 29222016 TI - The toxin BjussuLAAO-II induces oxidative stress and DNA damage, upregulates the inflammatory cytokine genes TNF and IL6, and downregulates the apoptotic-related genes BAX, BCL2 and RELA in human Caco-2 cells. AB - Colorectal carcinoma is one of the most common cancers in adults. As chemotherapy, the first-choice treatment for colorectal carcinoma, is often infeasible due to acquired tumor resistance and several adverse effects, it is important to discover and explore new molecules with better therapeutic action. Snake venom toxins have shown promising results with high cytotoxicity against tumor cells, but their mechanisms of action remain unclear. Here we examined how BjussuLAAO-II, an L-amino acid oxidase isolated from Bothrops jararacussu snake venom, exerts cytotoxicity towards colorectal adenocarcinoma human cells (Caco-2) and human umbilical vein endothelial cell line (HUVEC). A 24-h treatment with BjussuLAAO-II at 0.25 - 5.00 MUg/mL diminished cell viability by decreasing (i) mitochondrial activity, assessed by reduction of 3-(4,5-dimethyl-2-thiazolyl)-2,5 diphenyl-2H-tetrazolium bromide and resazurin; (ii) the activity of acid phosphatases; and (iii) lysosomal function, assessed by neutral red uptake. BjussuLAAO-II also increased intracellular levels of reactive oxygen species and DNA damage, as assessed by fluorescence and the comet assay, respectively. BjussuLAAO-II altered the expression of cell proliferation-related genes, as determined by RT-qPCR: it elevated the expression of the inflammatory cytokine genes TNF and IL6, and lowered the expression of the apoptotic-related genes BAX, BCL2, and RELA. Therefore, BjussuLAAO-II induces Caco-2 cells death by acting on multiple intracellular targets, providing important data for further studies to assess whether these effects are seen in both tumor and normal cells, with the aim of selecting this drug for possible therapeutic purposes in the future. PMID- 29222017 TI - Increasing susceptibility to oxidative stress by cataract-causing crystallin mutations. AB - Cataract, a crystallin protein aggregation disease, is the leading cause of human blindness worldwide. Congenital cataract may be induced by many factors and genetic disorders accounts for about half of the cases. Inherited mutations can promote cataract formation by affecting crystallin structure, solubility, stability, protein interactions and aggregatory propensity. In this research, we investigated the potential role of oxidative damage in congenital cataracts caused by six mutations in gammaC- and gammaD-crystallins, the predominant structural proteins in the lens. H2O2 treatment induced structural changes for both the wild type and mutated proteins. Oxidization by H2O2 or UV light facilitated protein oligomerization and thermal aggregation. H2O2 treatment promoted thermal aggregation of all proteins. By increasing the susceptibility, cataract-causing mutations amplified the deleterious effects of oxidative damage. Our results suggested that oxidative damage might play an important role in the onset and/or progression of congenital cataract caused by both Cys and non-Cys substitutions. PMID- 29222018 TI - Physicochemical properties and biological activities of polysaccharides from Lycium barbarum prepared by fractional precipitation. AB - Traditional separation and purification process of Lycium barbarum polysaccharides (LBP) includes water extraction, alcohol precipitation, deproteinization and ion-exchange column chromatography, which is complicated and time-consuming. In our study, retentate LBP-I and dialysate LBP-O were obtained from LBP by water extraction, alcohol precipitation and deproteinization. LBP-I was separated by fractional precipitation and three fractions (LBP-I-1, LBP-I-2 and LBP-I-3) were obtained. The three fractions were further purified by gel permeation chromatography to LBGP-I-1, LBGP-I-2 and LBGP-I-3 with yields of 0.05%, 0.03%, and 0.19%, respectively, which are higher than yields by traditional method. The physicochemical properties, biological activities of LBGP I-1, LBGP-I-2 and LBGP-I-3 were investigated. The results indicated that LBGP-I-1 (3.19 * 104 Da) consists of arabinose (21.95%), glucose (51.22%) and galactose (17.07%); LBGP-I-2 (2.92 * 104 Da) mainly consists of arabinose (19.35%), glucose (32.26%) and galactose (35.48%); LBGP-I-3 (9.12 * 104 Da) mainly consists of arabinose (48.15%) and galactose (44.44%). LBGP-I-1 and LBGP-I-2 were different from the components purified by traditional method. LBGP-I-3 could most significantly enhance macrophages NO, phagocytic capacity, and acid phosphatase. LBP-O exhibits the strongest anti-oxidant activities in vitro. These results provided a reference for applications of Lycium barbarum polysaccharides which would benefit the development of industry and agriculture. PMID- 29222019 TI - A novel use of cellulose based filter paper containing silver nanoparticles for its potential application as wound dressing agent. AB - The frequent use of antibiotics against microbial infections may lead to the emergence of antibiotic resistant microbial strains. To overcome these microbial strains, we need to fabricate alternative materials which can handle them. It is for this reason, we have fabricated cellulose (CE) based filter paper (FP) composite scaffolds comprising of adsorbed chitosan (CS) and sliver (Ag) nanoparticles (NPs). The AgNPs are incorporated in the CS layer of the composite scaffold. Prior to evaluate the efficacy of the scaffolds against gram positive and gram negative bacterial strains, the scaffolds were characterized for the presence of the Ag NPs with field emission scanning electron microscope (FE-SEM), fourier transform infrared (FTIR) spectroscopy and x-ray diffractometer (XRD). These techniques confirmed the presence of Ag NPs in the composite scaffold. The biocompatibility of the scaffolds was assessed by subjecting pristine FP, CS adsorbed FP (CS-FP) and Ag loaded CS-FP (Ag-CS-FP) composite scaffolds to in vitro studies. From the data obtained, it was observed that NIH3T3 fibroblastic cells adhered and proliferated onto all the scaffolds. Furthermore, the scaffolds exhibited good antibacterial activity against both strains of bacteria. It is, therefore, concluded that these scaffolds could find potential application in biomedical field, particularly as a wound dressing agent. PMID- 29222020 TI - Synthesis of protocatechuic acid grafted chitosan copolymer: Structure characterization and in vitro neuroprotective potential. AB - Excessive free radicals can cause oxidative damage to human tissues, which results in a variety of diseases. Therefore, the development of antioxidant materials is one of the great projects in biomedical field. In this work, antioxidant protocatechuic acid (PCA) monomers were grafted onto chitosan (CS) backbones to develop a PCA grafted chitosan (PCA-g-CS) antioxidant copolymer via the method of free radical-induced grafting reaction. The formation of covalent bonds between PCA and CS were confirmed by FTIR, 1H NMR, XRD and UV-vis. The antioxidant activity of PCA-g-CS was analyzed by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and hydroxyl radical scavenging assays. In addition, the cytotoxicity of PCA-g-CS on neuron-like rat phaeochromocytoma (PC12) cells was evaluated by using MTT assay. The neuroprotective effects against hydrogen peroxide (H2O2) and l glutamic acid (GLU) induced apoptosis in PC12 cells were also investigated. Our results demonstrated that the PCA-g-CS antioxidant copolymer had the ability to scavenge DPPH and hydroxyl radical in vitro. Furthermore, the PCA-g-CS was biocompatible and had neuroprotective effects against free radical-induced apoptosis in PC12 cells. This PCA-g-CS copolymer is firstly synthesized for neuroprotection and the results suggest the PCA-g-CS may be a potential antioxidant material in the treatment of oxidative damage related diseases. PMID- 29222021 TI - Identification and validation of salivary proteomic signatures for non-invasive detection of ovarian cancer. AB - Ovarian cancer (OC) is one of the most lethal cancers among all gynecological malignancies. An effective and non-invasive screening approach is needed urgently to reduce high mortality rate. The purpose of this study was to identify the salivary protein signatures (SPS) for non-invasive detection of ovarian cancer. Differentially expressed SPS were identified by fluorescence-based 2D-DIGE coupled with MALDI/TOF-MS. The expression levels of three differential proteins (Lipocalin-2, indoleamine-2, 3-dioxygenase1 (IDO1) and S100A8) were validated using western blotting and ELISA. Immunohistochemistry and qRT-PCR were performed in an independent cohort of ovarian tumor tissues. 25 over expressed and 19 under expressed (p<0.05) proteins between healthy controls and cancer patients were identified. Lipocalin-2, IDO1 and S100A8 were selected for initial verification and successfully verified by immunoassay. Diagnostic potential of the candidate biomarkers was evaluated by ROC analysis. The selected biomarkers were further validated by immunohistochemistry in an independent cohort of ovarian tissues. The global expression of selected targets was also analyzed by microarray and validated using qRT-PCR to strengthen our hypothesis. Tumor secreted proteins identified by 'dual-omics' strategy, whose concentration are significantly high in ovarian cancer patients have obvious potential to be used as screening biomarker after large scale validation. PMID- 29222022 TI - Do Resident Case Logs Meet ACGME Requirements? A Comparison Between Acute Care and Elective Cases. AB - PURPOSE: Operative experience is at the core of general surgery residency, and recently operative volume requirements for graduating residents were increased. The ACGME has outlined 4 areas of required resident participation and documentation in order for a surgical case to be logged: determination or confirmation of the diagnosis, provision of preoperative care, selection and accomplishment of the operative procedure, and direction of the postoperative care. The purpose of this study was to examine whether general surgery residents are currently meeting the required care participation documentation standard and to examine the effect of acute care vs. elective cases on documentation. METHODS: The operative case logs of 7 PGY-3 and 7 PGY-5 general surgery residents from March 2016 were retrospectively reviewed and compared to the electronic medical record (EMR) to verify documentation of resident participation in each of the 4 required areas. Chart review was also utilized to classify cases as either acute care or elective. RESULTS: A total of 339 cases were reviewed (159 PGY-3 and 180 PGY-5). Of these, 251 cases were classified as elective and 88 were classified as acute care. Overall, documentation of comprehensive care (participation in all four required areas) was found for 44% of cases, with residents reporting participation in a higher percentage of comprehensive care (all 4 domains completed) than was actually documented in the EMR (71.9% vs. 44.4%, t[13] = 2.57, p = 0.023, d = 1.13). Comprehensive care was documented more frequently in elective cases than acute care cases (49.7% vs. 38.3%), and there was less discrepancy between perceived and documented comprehensive care within elective cases (67% vs. 49.7%, t[13] = 1.17, p = 0.27) than acute care cases (80.9% vs. 38.3%, t[13] = 4.40, p = 0.001). CONCLUSIONS: Despite ACGME requirements, the majority of cases logged by general surgery residents do not have documentation by the operating resident in the EMR verifying provision of comprehensive care. Elective cases were more likely to meet documentation requirements than acute care cases, and we purport that this is possibly secondary to restricted work hours. We expect that other programs would find similar compliance in the documentation of comprehensive care. These results question whether the requirement for documenting comprehensive care to log a surgical case is practical in surgical residency training, particularly with an increasing demand for operative volume in the setting of limited work hours. PMID- 29222024 TI - Continuous and not continuous 2-week treadmill training enhances the performance in the passive avoidance test in ischemic gerbils. AB - This study aims to investigate the frequency and total duration effects of the 2 week treadmill training after experimental ischemic stroke in the passive avoidance test. We performed bilateral occlusion of common external carotid arteries, for five minutes, in Mongolian gerbils. The training groups were: continuous training for twelve consecutive days or not continuous training for six non-consecutive days. The groups remained in the treadmill for 15min, with the speed set at 10m/min, and the training started 24h after the stroke. In the Shuttle Box, each animal had ten trials during the Learning Session (LS), which occurred 24h before the stroke. The Retention Test (RT) occurred 24h after the stroke and started on the second, third, seventh and twelfth day after LS. After the experiments, the brains were perfused, and coronal sections of the CA1 area of the hippocampus were cut and stained with hematoxylin and eosin. ANOVA on Ranks was used for Behavioral data analysis and morphological data by percentage. Ischemic training groups showed preservation in neuron density in the CA1 area of the hippocampus, when compared to the control groups. Animals subjected to continuous training, showed a higher latency in the RT when compared to ischemic animals in both weeks [(2nd, H=39.81; P<0.05), (3rd, H=38.08; P<0.05), (7th, H=44.17; P<0.05), and (12th, H=39.55; P<0.05). Animals in the not continuous training showed higher latency in the RT, in the second week only [(2nd, H=39.81; P<0.05), (3rd, H=38.08; P<0.05), (7th, H=44.17; P<0.05), and (12th, H=39.55; P<0.05). These findings suggest that improvement of memory after stroke after treadmill training is dependent on the frequency and total duration of training. PMID- 29222025 TI - Preparation and comparison of tacrolimus-loaded solid dispersion and self microemulsifying drug delivery system by in vitro/in vivo evaluation. AB - This study aimed to compare the dissolution and the intestinal absorption of tacrolimus in self-microemulsifying drug delivery system (SMEDDS) and solid dispersion (SD). Poloxamer 188 SD was prepared by the combination of the solvent evaporation method and the freeze drying method. Hydroxypropyl methylcellulose (HPMC) SD was prepared by the solvent evaporation method combined with the vacuum drying method. The formation of SD was confirmed by SEM images which showed new solid phases. The SMEDDS was composed of oil (Labrafil M1944 CS 28%), surfactant (Cremophor EL 48%) and co-surfactant (Transcutol P 24%). The self microemulsion formed by the SMEDDS upon aqueous media had spherical droplets with a hydrodynamic size of 46.0+/-3.2nm. The dissolution of tacrolimus from SD and SMEDDS was performed in sink and non-sink conditions with various pH. As revealed by the DSC and FT-IR, the tacrolimus was molecularly or amorphously dispersed in the SMEDDS and SD. The in vivo intestinal absorption study in rats showed that both SMEDDS and SD improved the absorption of tacrolimus over the raw tacrolimus while the SMEDDS exhibited lower absorption rate constant (Ka) and apparent permeability coefficients (Papp) than the SD. The self-prepared SD with poloxamer 188 or HPMC had comparable intestinal absorption as compared with Prograf(r). The tacrolimus-loaded SMEDDS and SD would be further compared by in vivo pharmacokinetic study. PMID- 29222023 TI - Regional brain gray matter changes in adolescents with single ventricle heart disease. AB - Adolescents with single ventricle heart disease (SVHD) show autonomic, mood, and cognitive deficits, indicating aberrations in brain areas that regulate these functions. However, the gray matter integrity in autonomic, mood, and cognitive control sites is unclear. We examined regional brain gray matter changes, using high-resolution T1-weighted images (3.0-T magnetic resonance scanner) with voxel based morphometry procedures, as well as mood and cognitive functions in SVHD (n=18; age, 15.7+/-1.1years; male, 10) and controls (n=31; age, 16.0+/-1.1years; male, 17). High-resolution T1-weighted images were realigned, gray matter tissue type partitioned, normalized to a common space, smoothed, and compared between groups (analysis of covariance; covariates, age and gender). The mood and cognitive scores were compared between groups using independent samples t-tests. SVHD subjects showed significantly altered mood and cognitive functions over controls. Significantly reduced gray matter emerged in multiple brain areas, including the thalamus, caudate nuclei, putamen, insula, prefrontal, post-central and precentral gyrus, occipital gyrus, para-hippocampal gyrus, temporal gyrus, and cerebellar sites in SVHD over controls. SVHD subjects show compromised gray matter integrity in autonomic, mood and cognitive control sites. The findings indicate that frequent deficits found in SVHD subjects have a brain structural basis in the condition. PMID- 29222026 TI - Transcriptome analysis provides insights into the immune responsive pathways and genes in the head kidney of tiger grouper (Epinephelus fuscoguttatus) fed with Spatholobus suberectus, Phellodendron amurense, or Eclipta prostrata. AB - The tiger grouper, Epinephelus fuscoguttatus, is an economically important fish in Southeast Asia but has been plagued by several diseases. Spatholobus suberectus (S), Phellodendron amurense (P), and Eclipta prostrate (E) are three commonly used Chinese medicinal herbs. Although previous pharmacological and clinical studies indicated that S, P, and E possess a variety of beneficial functions in mammals, little is known about their functions in farmed fish and the underlying molecular mechanism of their actions. Challenge tests in this study showed that after 14 days of diet supplement, all these herbs could effectively enhance the disease resistance of E. fuscoguttatus against Vibrio harveyi. However, the non-specific immune parameters of the herb-supplemented groups were not significantly different from the control group. To further explore the molecular mechanism of herbal immune-regulating effects on E. fuscoguttatus, transcriptome sequencing and RNA-Seq technique were applied on E. fuscoguttatus kidney. De novo transcriptome assembly of E. fuscoguttatus kidney yield 80,014 unigenes, among which, 44,901 (56.12%) were annotated with at least one of the public databases (Nr, Nt, Swiss-Prot, KEGG, COG, GO). Among these, 22,738, 11,700 and 27,457 unigenes were assigned to 57, 25 and 258 categories of GO, COG and KEGG databases, respectively. Using Solexa/Illumina's DGE platform, a total of 231, 186 and 144 putative differentially expressed genes (DEGs) were detected in P, E and S group compared with the control group. GO analysis indicated that in P and E, down-regulated DEGs were dominant in almost every GO term; whereas in S, up-regulated DEGs were more dominant. KEGG pathway analysis revealed that putative DEGs in all three herb groups were obviously enriched in the pathways related to infective diseases and immune system. We also identified a number of immune relative genes and pathways (TLR5, IL8 and MAPK pathway, for instance) associated with P, E and S's regulatory effects on E. fuscoguttatus. This study will enrich the E. fuscoguttatus transcriptome database, contribute to a better understanding of the molecular mechanisms associated with the immunoregulatory activities of Chinese medicinal herbs on teleost and provide valuable information on the prevention of grouper Vibrio diseases using Chinese medicinal herbs. PMID- 29222027 TI - TBK1 from orange-spotted grouper exerts antiviral activity against fish viruses and regulates interferon response. AB - TANK-binding kinase-1 (TBK1) has been well studied in mammals because of its importance in type I interferon induction in antiviral immunity. However, the roles of fish TBK1 in virus infection still remained largely uncertain. In the current study, a TBK1 homolog from orange-spotted grouper (Epinephelus coioides) (EcTBK1) was cloned and its roles in fish viral infections were investigated. Sequence analysis showed that EcTBK1 encoded a 723-amino acid peptide which shared 98% and 73% identity to large yellow croaker (Larimichthys crocea) and human (homo sapiens), respectively. Multiple sequence alignments indicated that EcTBK1 contained conserved domains, including N-terminal kinase domain (KD), the middle ubiquitin-like domain (ULD) and C-terminal coiled-coil (CC) domains. The tissue distribution profiles demonstrated that EcTBK1 gene was constitutively expressed in all examined tissues, with predominant expression in intestine. Temporal expression analysis in vitro showed that the expression levels of EcTBK1 were significantly up-regulated in response to both red-spotted grouper nervous necrosis virus (RGNNV) and Singapore grouper iridovirus (SGIV) infection, suggested that EcTBK1 might exert crucial roles in fish virus infection. Subcellular localization indicated that EcTBK1 expression was primarily in the cytoplasm in GS cells. The ectopic expression of EcTBK1 significantly inhibited both SGIV and RGNNV replication. Furthermore, EcTBK1 overexpression significantly increased the expression levels of interferon related cytokines and pro inflammatory factors. In addition, the overexpression of EcTBK1 increased the IRF3- and IRF7-regulated interferon promoter ISRE and IFN activity, and the regulatory effect on interferon immune response were dependent on its kinase domain. Together, we speculated that grouper TBK1 exerted antiviral activity against iridovirus and nodavirus via regulating the interferon immune and inflammatory response. PMID- 29222028 TI - Sodium butyrate enhanced physical barrier function referring to Nrf2, JNK and MLCK signaling pathways in the intestine of young grass carp (Ctenopharyngodon idella). AB - This study evaluated the effect of dietary sodium butyrate (SB) supplementation on the intestinal physical barrier function of young grass carp (Ctenopharyngodon idella). The fish were fed one powdery sodium butyrate (PSB) diet (1000.0 mg kg-1 diet) and five graded levels of microencapsulated sodium butyrate (MSB) diets: 0.0 (control), 500.0, 1000.0, 1500.0 and 2000.0 mg kg-1 diet for 60 days. Subsequently, a challenge test was conducted by injection of Aeromonas hydrophila to explore the effect of SB supplementation on intestinal physical barrier function and the potential mechanisms in fish. The results showed that optimal SB supplementation: (1) down-regulated the cysteine-aspartic protease-2 (caspase-2), caspase-3 (rather than PI), caspase-7, caspase-8 (rather than PI), caspase-9, fatty acid synthetase ligand (FasL), apoptotic protease activating factor-1 (Apaf 1), B-cell lymphoma 2 associated X protein (Bax) and c-Jun Nterminal protein kinase (JNK) mRNA levels, up-regulated the B-cell lymphoma protein-2 (Bcl-2) (rather than PI), inhibitor of apoptosis proteins (IAP) and myeloid cell leukemia 1 (Mcl-1) mRNA levels in the intestine (P < 0.05), inhibited the intestinal cell apoptosis, maintained the intestine cell structure integrity; (2) increased NF-E2 related factor 2 (Nrf2) mRNA levels and nucleus protein levels, and down regulated kelch-like-ECH-associated protein (Keap1b) (rather than Keap1a) mRNA levels in the intestine, up-regulated copper/zinc superoxide dismutase (CuZnSOD), manganese superoxide dismutase (MnSOD), catalase (CAT), glutathione peroxidase 1a (GPx1a), GPx1b, GPx4a, GPx4b, glutathione S-transferases R (GSTR), GSTP1, GSTP2, GSTO1, GSTO2 and glutathione reductase (GR) mRNA levels in the intestine, increased the corresponding antioxidant enzymes activity (P < 0.05), thus enhancing the ability of scavenging free radicals and decreasing the reactive oxygen species (ROS) content, decreasing the lipid and protein peroxidation, as well as alleviating oxidative damage; (3) down-regulated the molecule myosin light-chain kinase (MLCK) mRNA levels in the intestine, and up-regulated the occludin, zonula occludens-1 (ZO-1), ZO-2, claudin-b, claudin-c, claudin-f, claudin-3c (rather than PI), claudin-7a, claudin-7b and claudin-11 mRNA levels, down-regulated claudin-12, claudin-15a and claudin-15b mRNA levels (P < 0.05), thus maintaining the structural integrity between cells. This study suggests that SB supplementation could improve fish intestinal physical barrier function. Furthermore, according to the positive effect, MSB was superior to PSB on improving intestinal physical barrier function of fish. Finally, based on protein carbonyl content in the PI, the optimal SB supplementation (MSB as SB source) for young grass carp was estimated to be 338.8 mg kg-1 diet. PMID- 29222029 TI - Rapid regulation of substrate use for oxidative phosphorylation during a single session of high intensity interval or aerobic exercises in different rat skeletal muscles. AB - Different exercise protocols lead to long-term adaptations that are related to increased mitochondrial content through the activation of mitochondrial biogenesis. However, immediate mitochondrial response to exercise and energetic substrate utilization is still unknown. We evaluate the mitochondrial physiology of two types rat skeletal muscle fibres immediately after a single session of high intensity interval exercise (HIIE) or aerobic exercise (AER). We found AER was able to reduce the ATP synthesis dependent oxygen flux in the tibialis (TA) when stimulated by complex I and II substrates. On the other hand, there was an increase of the maximum velocity (Vmax) for glycerol-phosphate oxidation and Vmax and affinity (KM) of palmitoyl-carnitine oxidation (PC). The exercise did not affect oxygen flux coupled to ATP synthesis in red gastrocnemius (RG) but, surprisingly, reduced its affinity for PC, decreasing the apparent catalytic efficiency (Vmax/KM) of oxidation for PC. Neither exercise protocol was able to change the electron transfer system capacity of the mitochondria or markers of mitochondrial content. The AER group had increased H2O2 production compared to the SED and HIIE groups, with the mechanism being predominantly the escape of electrons through reverse flux in complex I and other sites in TA, and only through other sites in RG. There were no changes in the activities of antioxidant enzymes. Our results show that mitochondria from different muscles submitted to distinct exercise protocols show alterations in the specific fluxes of substrate utilization and oxygen metabolism, indicating that the dynamics of mitochondria are linked to the metabolic flexibility. PMID- 29222030 TI - Regional ventilation distribution and dead space in anaesthetized horses treated with and without continuous positive airway pressure: novel insights by electrical impedance tomography and volumetric capnography. AB - OBJECTIVE: The aim of this study was to evaluate the effect of continuous positive airway pressure (CPAP) on regional distribution of ventilation and dead space in anaesthetized horses. STUDY DESIGN: Randomized, experimental, crossover study. ANIMALS: A total of eight healthy adult horses. METHODS: Horses were anaesthetized twice with isoflurane in 50% oxygen and medetomidine as continuous infusion in dorsal recumbency, and administered in random order either CPAP (8 cmH2O) or NO CPAP for 3 hours. Electrical impedance tomography (and volumetric capnography (VCap) measurements were performed every 30 minutes. Lung regions with little ventilation [dependent silent spaces (DSSs) and nondependent silent spaces (NSSs)], centre of ventilation (CoV) and dead space variables, as well as venous admixture were calculated. Statistical analysis was performed using multivariate analysis of variance and Pearson correlation. RESULTS: Data from six horses were statistically analysed. In CPAP, the CoV shifted to dependent parts of the lungs (p < 0.001) and DSSs were significantly smaller (p < 0.001), while no difference was seen in NSSs. Venous admixture was significantly correlated with DSS with the treatment time taken as covariate (p < 0.0001; r = 0.65). No differences were found for any VCap parameters. CONCLUSIONS AND CLINICAL RELEVANCE: In dorsally recumbent anaesthetized horses, CPAP of 8 cmH2O results in redistribution of ventilation towards the dependent lung regions, thereby improving ventilation-perfusion matching. This improvement was not associated with an increase in dead space indicative for a lack in distension of the airways or impairment of alveolar perfusion. PMID- 29222031 TI - Evaluation of the effect of mesotherapy in the management of back pain in police working dog. AB - OBJECTIVE: To evaluate the feasibility and effectiveness of mesotherapy in dogs compared with a positive control group. STUDY DESIGN: Experimental, randomized, blinded study. ANIMALS: Fifteen working police dogs with chronic back pain. METHODS: Animals were divided randomly into control (CG; n = 5) and treatment groups (TG; n = 10). A combination of 140 mg lidocaine, 15 mg dexamethasone and 20 mg thiocolchicoside was administered to group TG along with a 70-day course of a placebo, administered as if it was carprofen. Carprofen was administered to Group CG for 70 days, at a dose adjusted to their weight. On day 0, an intradermal injection of Ringer's lactate was also administered. Both groups were rested for 3 days and resumed normal activity over a 5-day period. Response to treatment, measured by the Canine Brief Pain Inventory (CBPI) and the Hudson Visual Analogue Scale (HVAS), was evaluated before treatment (T0), after 15 days (T1) and 1 (T2), 2 (T3), 3 (T4), 4 (T5) and 5 (T6) months. Results were compared using a Mann-Whitney test or a paired samples t test. RESULTS: When comparing CBPI results, no differences were found between groups TG and CG at T0 through T3 and in T6 and T7. Differences were observed in CBPI sections after the discontinuation of carprofen: at T4 [p = 0.02 for Pain Interference Score (PIS) and p = 0.03 for Pain Severity Score (PSS)] and T5 (p = 0.16 for PIS and p = 0.03 for PSS), with group TG having overall better results. Individual treatment results were considered successful in one dog of group CG (20%), whereas in group TG, success was higher (ranging from 78% at T1 to 22% at T7). No significant differences were registered with the HVAS. CONCLUSIONS AND CLINICAL RELEVANCE: Mesotherapy may be a promising treatment option for canine musculoskeletal related pain. Further studies are required. PMID- 29222032 TI - Assessment of the laxative activity of an ethanolic extract of Bambusa arundinacea (Retz.) Willd. shoot. AB - ETHNOBOTANICAL RELEVANCE: Bambusa arundinacea (Retz.) Willd., commonly known as Kanta Bans, plays an important ethnobotanical role, especially in Asia. In traditional medicine it has reportedly been used for the treatment of constipation, blood-diseases, leucodema, inflammation and urinary discharges. A number of ethnomedicinal records exist regarding the use of B. arundinaceae shoots as a laxative, however, there are no scientific studies reported on its laxative activity. Therefore, the aim of this present study was to evaluate the laxative activity of an ethanolic B. arundinaceae shoot extract in mice. MATERIALS AND METHODS: B. arundinacea shoots were collected from Dhaka, Bangladesh in July 2015. An ethanolic shoot extract was obtained and its laxative activity was evaluated by faecal consistency, gastrointestinal transit and entero pooling assays in a mouse model. Furthermore, a phytochemical investigation of the extract was conducted by UHPLC-ESI-QqQ MS and UHPLC-ESI-Orbitrap MS analysis. RESULTS: The ethanolic shoot extract of B. arundinacea showed significant laxative activity in our mouse model, with significant increases in (i) the amount of wet faeces, with the maximum effect at 2h for 500mg/kg (47.92%), (ii) gastrointestinal transit (67.18% and 60.03% for doses of 250 and 500mg/kg, respectively), and (iii) small intestine content at the test doses of 250 and 500mg/kg p.o. Phytochemical investigation identified a total of thirty compounds in the ethanolic shoot extract of B. arundinacea using UHPLC-ESI-QqQ MS and UHPLC ESI-Orbitrap MS analysis. CONCLUSIONS: The results of this study provide support for the traditional use of B. arundinacea shoot as a laxative. PMID- 29222033 TI - Multiple perspectives of qingkailing injection-fraction-single compound in revealing the hepatotoxicity of baicalin and hyodeoxycholic acid. AB - ETHNOPHARMACOLOGICAL RELEVANCE: The complexity of ingredients in traditional Chinese medical formulas and the limited consideration of toxicological responses are fundamental issues that hamper prognostic information of drug quality control. MATERIALS AND METHODS: A multidisciplinary approach for quality control of Qingkailing injection (QKL) regarding drug induced liver toxicity was described for the first time. High content image analysis (HCA) was combined with reverse-phase chromatographic separation and high-resolution MS detection technologies to provide the dynamic responses of drug induced HepG2 cell injury. Firstly, a simple and rapid method for simultaneous qualification and quantification of 21 major constituents in QKL was established and validated using ultra-high performance liquid chromatography-hybrid quadrupole-Orbitrap mass spectrometer (UHPLC-Q-Orbitrap), which were operated in full MS/dd-MS2 mode and thus simultaneously acquired quantitative high resolution (HR) full scan data and confirmatory HR MS2 data. Secondly, repeated semi-preparation HPLC was applied to obtain four fractions (F1-F4) for HCS analysis. Finally, potential hepatotoxicity was determined by five hepatotoxicity biomarkers, including cell loss, DNA condense, glutathione (GSH) depletion, reactive oxygen species (ROS) formation, and mitochondria membrane potential (MMP) depolarization. RESULTS: The detection in polarity switching mode empowered the coverage of comprehensive constituents with different chemical properties. Satisfactory linearity precisions, repeatability, stability, and recovery were achieved. QKL injection significantly induced HepG2 cell injury above the concentration of 1.25% (v/v). Meanwhile, flavone glycosides (F3) and stinasterols (F4) fractions exhibited hepatotoxicity above 75MUg/mL and 50MUg/mL, respectively. Still further, baicalin originated from F3 significantly caused cell loss and glutathione (GSH) depletion. In parallel, hyodeoxycholic acid from F4 induced cell loss, nucleus condense, and GSH reduction as well. CONCLUSIONS: Our work provides multiple perspectives based on injection-fractions-single compound format to improve QKL pharmacovigilance through revealing the potential hepatotoxic material basis. Additionally, our study provides an integrating paradigm for the comprehensive and systematic quality control of traditional Chinese medical formulas. PMID- 29222034 TI - Management of invasive candidiasis and candidaemia in critically ill adults: expert opinion of the European Society of Anaesthesia Intensive Care Scientific Subcommittee. AB - OBJECTIVE: The global burden of invasive fungal disease is increasing. Candida albicans remains the leading cause of fungal bloodstream infections, although non albicans candidal infections are emerging. Areas of controversy regarding diagnosis and management are hampering our ability to respond effectively to this evolving threat. The purpose of this narrative review is to address current controversies and provide recommendations to supplement guidelines. DIAGNOSIS OF INVASIVE CANDIDIASIS: Diagnosis of invasive candidiasis requires a combination of diagnostic tests and patient risk factors. Beta-D glucan and Candida albicans germ tube antibody are both used as biomarkers as adjuncts to diagnosis, although direct culture remains the gold standard. Scoring systems are available to help distinguish between colonization and invasive disease. TREATMENT OF INVASIVE CANDIDIASIS: Echinocandins are recommended as first-line therapy in candidaemia, with de-escalation to fluconazole when clinical stability is achieved. Empirical therapy is highly recommended in high-risk patients, but a more targeted pre emptive approach is now being favoured. The evidence for prophylactic therapy remains weak. SUMMARY: Mortality attributable to invasive candidiasis may be as high as 70%. Prompt diagnosis and treatment, in conjunction with source control, are the key to improving outcomes. PMID- 29222036 TI - Central and peripheral line-associated bloodstream infections in Australian neonatal and paediatric intensive care units: findings from a comprehensive Victorian surveillance network, 2008-2016. AB - BACKGROUND: Healthcare-associated infections in neonatal and paediatric populations are associated with poorer outcomes and healthcare costs, and surveillance is a necessary component of prevention programmes. AIM: To evaluate burden of illness, aetiology, and time-trends for central and peripheral line associated bloodstream infection (CLABSI and PLABSI) in Australian neonatal and paediatric intensive care units (ICUs) between July 1st, 2008 and December 31st, 2016. METHODS: Using National Healthcare Safety Network methods, surveillance in neonatal and paediatric units was performed by hospitals participating in the Victorian Healthcare Associated Infection Surveillance System. Mixed effects Poisson regression was used to model infections over time. FINDINGS: Overall, 82 paediatric CLABSI events were reported during 37,125 CVC-days (2.21 per 1000 CVC days), 203 neonatal CLABSI events were reported during 92,169 CVC-days (2.20 per 1000 CVC-days), and 95 neonatal PLABSI events were reported during 142,240 peripheral line-days (0.67 per 1000 peripheral line-days). Over time, a significant decrease in quarterly risk for neonatal CLABSI events was observed (risk ratio (RR): 0.98; 95% confidence interval: 0.97-0.99; P = 0.023) and this reduction was significant for the 751-1000 g birth weight cohort (RR: 0.97; P = 0.015). Most frequently, coagulase-negative Staphylococcus spp. (24.2%) and Staphylococcus aureus (16.1%) were responsible for CLABSI events. A significant reduction in Gram-negative neonatal infections was observed (annual RR: 0.85; P < 0.001). CONCLUSION: CLABSI rates in neonatal and paediatric ICUs in our region are low, and neonatal infections have significantly diminished over time. Evaluation of infection prevention programmes is required to determine whether specific strategies can be implemented to further reduce infection risk. PMID- 29222035 TI - Carriage of ESBL-producing Enterobacteriaceae in French hospitals: the PORTABLSE study. AB - BACKGROUND: Currently, contact precautions are recommended for patients colonized or infected with extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE). Recent studies have challenged this strategy. This study aimed to assess the rate of ESBL-PE faecal carriage among hospitalized patients according to type of hospital ward, and to identify risk factors associated with carriage. METHODS: A point prevalence study was conducted in five different types of hospital ward [medical, surgical, intensive care unit (ICU), after care and rehabilitation, and geriatric] in eight French hospitals. All patients included in the study provided a fresh stool sample. RESULTS: In total, 554 patients were included in the study, with a median age of 73 years (range 60-82 years). The overall faecal carriage rate of ESBL-PE was 17.7%. The most frequently encountered species among ESBL-PE was Escherichia coli (71.4%), followed by Klebsiella pneumoniae (14.3%). Risk factors associated with ESBL-PE faecal carriage on univariate analysis were: living in the Paris region (P<0.01) and hospitalization on a geriatric ward (P<0.01). Interestingly, the cumulative duration of hospital stay before screening was not associated with a significantly higher prevalence of ESBL-PE carriage, regardless of ward type. The ESBL-PE colonization rate was much higher for patients hospitalized on geriatric wards (28.1%) and ICUs (21.7%) compared with those for patients hospitalized on surgical wards (14.8%), medical wards (12.8%) or aftercare and rehabilitation (11.2%). CONCLUSION: The overall prevalence of ESBL-PE faecal carriage was 17.7%, with only 21% of patients identified previously as carriers. The delay between admission and screening was not associated with an increase in ESBL-PE faecal carriage. PMID- 29222037 TI - Diabetes as risk factor for pancreatic cancer: Hyperglycemia promotes epithelial mesenchymal-transition and stem cell properties in pancreatic ductal epithelial cells. AB - Type 2 diabetes mellitus (T2DM) is associated with hyperglycemia and a risk to develop pancreatic ductal adenocarcinoma (PDAC), one of the most fatal malignancies. Cancer stem cells (CSC) are essential for initiation and maintenance of tumors, and acquisition of CSC-features is linked to epithelial mesenchymal-transition (EMT). The present study investigated whether hyperglycemia promotes EMT and CSC-features in premalignant and malignant pancreatic ductal epithelial cells (PDEC). Under normoglycemia (5 mM d-glucose), Panc1 PDAC cells but not premalignant H6c7-kras cells exhibited a mesenchymal phenotype along with pronounced colony formation. While hyperglycemia (25 mM d glucose) did not impact the mesenchymal phenotype of Panc1 cells, CSC-properties were aggravated exemplified by increased Nanog expression and Nanog-dependent formation of holo- and meroclones. In H6c7-kras cells, high glucose increased secretion of Transforming-Growth-Factor-beta1 (TGF-beta1) as well as TGF-beta1 signaling, and in a TGF-beta1-dependent manner reduced E-cadherin expression, increased Nestin expression and number of meroclones. Finally, reduced E-cadherin expression was detected in pancreatic ducts of hyperglycemic but not normoglycemic mice. These data suggest that hyperglycemia promotes the acquisition of mesenchymal and CSC-properties in PDEC by activating TGF-beta signaling and might explain how T2DM facilitates pancreatic tumorigenesis. PMID- 29222038 TI - HDAC6 inhibition induces glioma stem cells differentiation and enhances cellular radiation sensitivity through the SHH/Gli1 signaling pathway. AB - The existence of small numbers of stem-like cells, called glioma stem cells (GSCs), in human glioblastoma multiforme (GBM) is responsible for recurrence due to resistance to radiotherapy and chemotherapy. Inhibition of histone deacetylase 6 (HDAC6) enhanced radiosensitivity of cancer cells. However, the effect of inhibiting HDAC6 on stemness and radioresistance of GSCs and its molecular mechanism are largely unknown. In the present study, we found that HDAC6 was upregulated in GSCs comparing to non-stem tumor cells. Inhibiting HDAC6 downregulated glioma-associated oncogene homolog 1 (Gli1), Patched (Ptch1 and Ptch2) receptors, components of SHH signal, expression and activity in GSCs. Restraining HDAC6 decreased cell proliferation, induces differentiation and increased apoptosis of GSCs via inactivation of SHH/Gli1 signaling pathway. Moreover, HDAC6 inhibition decreased DNA damage repair capacity of GSCs through degradation of checkpoint kinase (CHK) 1 caused by X-linked inhibitor of apoptosis (XIAP) downregulation, leading to elevated radiosensitivity. Taken together, these findings indicate that HDAC6 inhibition decreased stemness of GSCs and enhanced GSCs radiosensitivity through inactivating SHH/Gli1 pathway. This provides a promising novel drug target to overcome GSCs stemness and radioresistance. PMID- 29222040 TI - Prohibitin: A new player in immunometabolism and in linking obesity and inflammation with cancer. AB - Immunometabolism, which has important implications in cancer biology, has emerged as a major regulator of different immune cell types. Various factors that integrate metabolic switches within immune cells with signal directed program that promote or inhibit their functions remain largely unidentified. Furthermore, sex differences are known to exist in immune functions and cancer incidences in the body and sex steroid hormones are integral component of these differences. However, factors that mediate such differences, and the potential link between the two fundamental aspects of immune cell biology that contributes to sex differences in health and disease remain unexplored. New evidence derived from novel tissue-specific transgenic mouse models of prohibitin (PHB) has revealed its crucial role in sex differences in adipocyte and macrophage functions and a potential role in endocrine-immune crosstalk. This review provides a point of view on the emerging role of PHB in immune functions with special focus on immunometabolism and on the immunomodulatory effects of sex steroids. We propose that PHB plays a crucial role in integrating cell signaling events with metabolic switches, and may serve as a potential target for cancer immunotherapeutic. PMID- 29222041 TI - TAp73 inhibits cell invasion and migration by directly activating KAI1 expression in colorectal carcinoma. AB - p73 is a member of the p53 family of transcription factors and, like p53, plays a role as a tumor suppressor. p73 is involved in development, proliferation, apoptosis and metastasis. However, the precise molecular mechanisms underlying its function in inhibiting metastasis remain largely unknown. Here, we show that induction of TAp73 decreased invasion and migration activity of colorectal cancer cells, whereas knockdown of TAp73 led to increased invasion and migration activity. KAI1 was identified as a transcriptional target of TAp73 and its expression is indispensable for TAp73-mediated inhibition of cell invasion and migration. Furthermore, induction of TAp73 in colorectal cancer cells elevated KAI1 expression and decreased the frequency of hepatic metastasis in vivo. Whereas, the decreased invasion and migration activities caused by TAp73 induction were abrogated by knockdown of KAI1. Interestingly, TAp73 and KAI1 are overexpressed in primary colorectal cancers and a significant correlation between TAp73 and KAI1 expression was detected, but their expressions were significantly down-regulated in metastatic cancers. Taken together, our results support a novel role for TAp73 in controlling colorectal cancer cell invasion, migration and metastasis by regulating transcription of KAI1. PMID- 29222042 TI - Antiangiogenic compounds: well-established drugs versus emerging natural molecules. AB - Angiogenesis is the natural and physiologic process of growing blood vessels from pre-existing ones. Pathological angiogenesis occurs when the precise balance of all the molecular pathways that regulate angiogenesis is disrupted, and this process is a critical step in many diseases, including cancer. A limited number of antiangiogenic synthetic drugs have been developed. However, due to toxicity and side effects issues, the search for alternative to existing drugs is ongoing. In this sense, natural molecules obtained from plants or macrofungi, have demonstrated extraordinary potential in the treatment of angiogenesis-related pathologies, specially taking into consideration its absence or very low toxicity, when compared to synthetic drugs. Using natural compounds as potential angiogenesis modulators is thus a promising field of research, supporting the creation of novel therapies able to reduce the use of drugs and associated side effects. In this review, the current status of antiangiogenic drugs and the wide variety of natural extracts and molecules with antiangiogenic capacities, as well as the angiogenesis molecular pathways and therapeutic targets, are presented. Finally, the challenges that need to be overcome in order to increase the use of natural compounds for clinical purposes are discussed. PMID- 29222039 TI - The role of STAT3 in leading the crosstalk between human cancers and the immune system. AB - The development and progression of human cancers are continuously and dynamically regulated by intrinsic and extrinsic factors. As a converging point of multiple oncogenic pathways, signal transducer and activator of transcription 3 (STAT3) is constitutively activated both in tumor cells and tumor-infiltrated immune cells. Activated STAT3 persistently triggers tumor progression through direct regulation of oncogenic gene expression. Apart from its oncogenic role in regulating gene expression in tumor cells, STAT3 also paves the way for human cancer growth through immunosuppression. Activated STAT3 in immune cells results in inhibition of immune mediators and promotion of immunosuppressive factors. Therefore, STAT3 modulates the interaction between tumor cells and host immunity. Accumulating evidence suggests that targeting STAT3 may enhance anti-cancer immune responses and rescue the suppressed immunologic microenvironment in tumors. Taken together, STAT3 has emerged as a promising target in cancer immunotherapy. PMID- 29222043 TI - Catheter ablation of atrial fibrillation in patients with heart failure and preserved ejection fraction. AB - BACKGROUND: Few studies have examined outcomes of catheter ablation for atrial fibrillation (AF) in patients with heart failure (HF) with preserved ejection fraction (HFpEF). OBJECTIVE: The purpose of this study was to compare outcomes of AF ablation in patients with HFpEF vs HF with reduced ejection fraction (HFrEF). METHODS: We performed a retrospective study of 230 patients with HF who underwent AF ablation, including 97 (42.2%) with HFrEF and 133 (57.8%) with HFpEF. Outcomes included adverse events, symptoms (Mayo AF Symptom Inventory [MAFSI]), New York Heart Association (NYHA) functional class, and freedom from recurrent atrial arrhythmia at 12 months. RESULTS: Overall, 150 of 230 patients had nonparoxysmal AF (62.8% HFpEF vs 63.0% HFrEF). Patients with HFpEF had a smaller mean left atrial diameter (4.4 +/- 0.8 cm vs 4.7 +/- 0.7 cm; P = .013) and were less likely to be taking a beta-blocker at baseline (72.9% vs 85.6%; P = .022). Median (Q1, Q3) procedure times (233 minutes [192, 290] vs 233.5 minutes [193.0, 297.5]; P = .780) and adverse events such as acute HF (3.8% vs 6.2%; P = .395) were similar between HFpEF and HFrEF patients. Freedom from recurrent atrial arrhythmia was not significantly different in HFpEF vs HFrEF patients (33.9% vs 32.6%; adjusted hazard ratio 1.47; 95% confidence interval 0.72-3.01), with similar improvements in NYHA functional class (-0.32 vs -0.19; P = .135) and MAFSI symptom severity ( 0.23 vs -0.09; P = .116) after ablation. CONCLUSION: Catheter ablation of AF seems to have similar effectiveness in patients with HF, regardless of presence of systolic dysfunction. There were no significant differences in procedural characteristics, arrhythmia-free recurrence, or functional improvements between patients with HFpEF and those with HFrEF. PMID- 29222044 TI - The effects of assurances of voluntary compliance on retail sales to minors in the United States: 2015-2016. AB - Multiple state attorneys generals have entered assurances of voluntary compliance (AVCs) with numerous national retail chains as an application of consumer protection laws to help prevent tobacco sales to minors. Little is known about the effectiveness of AVCs in reducing the violations of tobacco retailers for underage sales. We collected inspection data involving minors (n=53,832) on tobacco retailers in 2015 and 2016 from the Food and Drug Administration (FDA) compliance check database. Inspections on 13 national retail chains were classified into four categories: gas stations from oil companies, convenience stores, pharmacy stores, and supermarkets. Multilevel logistic regression models were performed to examine the effectiveness of AVCs, adjusted for state tobacco control policies, state youth smoking rates, and socio-economic status (SES) at census tracts. Overall the Retail Violation Rate for sales to minors (RVRm) significantly varied by retail category from 7.7% in pharmacy stores to 18.9% in gas stations from oil companies. Retailers that entered an AVC had lower odds of underage sales violations in convenience stores (aOR=0.75, 95% CI [0.61-0.93]) and supermarkets (aOR=0.74, 95% CI [0.59-0.93]). For gas stations from oil companies and pharmacy stores, there were no significant differences in RVRm between stores with an AVC and stores without an AVC. We found that entering into AVCs is associated with fewer retail violations of underage sales for convenience stores and pharmacy stores. Continued efforts to strengthen the enforcement of AVCs and to expand AVCs to more states and other retail chains may improve youth tobacco control. PMID- 29222046 TI - Erratum to "Ultrasound-mediated nanoparticle delivery across ex vivo bovine retina after intravitreal injection" [Eur. J. Pharm. Biopharm. 119 (2017) 125 136]. PMID- 29222045 TI - Challenges in risk estimation using routinely collected clinical data: The example of estimating cervical cancer risks from electronic health-records. AB - Electronic health-records (EHR) are increasingly used by epidemiologists studying disease following surveillance testing to provide evidence for screening intervals and referral guidelines. Although cost-effective, undiagnosed prevalent disease and interval censoring (in which asymptomatic disease is only observed at the time of testing) raise substantial analytic issues when estimating risk that cannot be addressed using Kaplan-Meier methods. Based on our experience analysing EHR from cervical cancer screening, we previously proposed the logistic-Weibull model to address these issues. Here we demonstrate how the choice of statistical method can impact risk estimates. We use observed data on 41,067 women in the cervical cancer screening program at Kaiser Permanente Northern California, 2003 2013, as well as simulations to evaluate the ability of different methods (Kaplan Meier, Turnbull, Weibull and logistic-Weibull) to accurately estimate risk within a screening program. Cumulative risk estimates from the statistical methods varied considerably, with the largest differences occurring for prevalent disease risk when baseline disease ascertainment was random but incomplete. Kaplan-Meier underestimated risk at earlier times and overestimated risk at later times in the presence of interval censoring or undiagnosed prevalent disease. Turnbull performed well, though was inefficient and not smooth. The logistic-Weibull model performed well, except when event times didn't follow a Weibull distribution. We have demonstrated that methods for right-censored data, such as Kaplan-Meier, result in biased estimates of disease risks when applied to interval-censored data, such as screening programs using EHR data. The logistic-Weibull model is attractive, but the model fit must be checked against Turnbull non-parametric risk estimates. PMID- 29222047 TI - Clown knifefish (Chitala ornata) oxygen uptake and its partitioning in present and future temperature environments. AB - It has been argued that tropical ectotherms are more vulnerable to the projected temperature increases than their temperate relatives, because they already live closer to their upper temperature limit. Here we examine the effects of a temperature increase in environmental temperature to 6 degrees C above the present day median temperature (27 degrees C) in the freshwater air-breathing fish Chitala ornata, on aspects of its respiratory physiology in both normoxia and in hypoxia. We found no evidence of respiratory impairment with elevated temperature. The standard metabolic rate (SMR) and routine metabolic rate (RMR) in the two temperatures in normoxia and hypoxia increased with Q10 values between 2.3 and 2.9, while the specific dynamic action (SDA) and its coefficient increased from 7.8 to 14.7% in 27 degrees C and 33 degrees C, respectively. In addition, Chitala ornata exhibited significantly improved growth at the elevated temperature in both hypoxic and normoxic water. While projected temperature increases may negatively impact other essential aspects in this animal's environment, we see no evidence of a negative impact on this species itself. PMID- 29222048 TI - Coronary artery to pulmonary artery fistula visualized with 3D cinematic rendering. PMID- 29222049 TI - MTD-like motif of a BH3-only protein, BNIP1, induces necrosis accompanied by an intracellular calcium spike. AB - The mitochondrial targeting domain (MTD) of Noxa has necrosis-inducing activity when conjugated with cell-penetrating peptide (CPP). In this study, we report another MTD-like motif, B1MLM, found in BNIP1, a pro-apoptotic BH3-only protein found in the endoplasmic reticulum membrane. The B1MLM peptide, conjugated with CPP, induced necrosis in a way similar to that of R8:MTD. R8:B1MLM caused an intracellular calcium spike, mitochondrial reactive oxygen species generation, and mitochondrial fragmentation. The cytosolic calcium spike was likely due to the opening of the mitochondrial permeability transition pore. PMID- 29222050 TI - Effects of the RNA-binding protein, KSRP, on innate immune response against Helicobacter pylori infection in mice. AB - Helicobacter pylori (H. pylori) contributes to various gastric diseases such as chronic gastritis, gastric ulcer, and gastric carcinoma. Host innate immune response against the pathogen plays a significant role in elimination of pathogen infection. Importantly, pathogen elimination is closely related to numerous inflammatory-related genes that participate in complex biological response of cells to harmful stimuli. Here we studied effects of the KH-type splicing regulatory protein (KSRP), a RNA-binding protein, on innate immune response against H. pylori infection. We found that H. pylori infection downregulated KSRP expression directly, and that KSRP overexpression repressed upregulation of CXCL 2 expression induced by H. pylori and facilitated H. pylori proliferation in vitro. Similarly, KSRP overexpression in H. pylori mice also facilitated H. pylori proliferation and colonization, and induced more severe gastric mucosal damage. Intriguingly, CXCL-2 and HMOX-1 were upregulated in H. pylori infected mice after KSRP overexpression. This difference in expression of these genes implicated that KSRP was closely associated with and directly participated in the innate immune response against H. pylori. These results were beneficial for understanding the in vivo function of KSRP on innate immune response against pathogen infection. PMID- 29222051 TI - Long-term fermented soybean paste improves metabolic parameters associated with non-alcoholic fatty liver disease and insulin resistance in high-fat diet-induced obese mice. AB - Recently, Korean traditional fermented soybean paste, called Doenjang, has attracted attention for its protective effect against diet-related chronic diseases such as obesity and type 2 diabetes. Long-term fermented soybean pastes (LFSPs) are made by fermentation with naturally-occurring microorganisms for several months, whereas short-term fermented soybean pastes (SFSPs) are produced by shorter-time fermentation inoculated with a starter culture. Here, we demonstrate that administration of LFSP, but not SFSP, protects high-fat diet (HFD)-fed obese mice against non-alcohol fatty liver disease (NAFLD) and insulin resistance. LFSP suppressed body weight gain in parallel with reduction in fat accumulation in mesenteric adipose tissue (MAT) and the liver via modulation of MAT lipolysis and hepatic lipid uptake. LFSP-treated mice also had improved glucose tolerance and increased adiponectin levels concomitantly with enhanced AMPK activation in skeletal muscle and suppressed expression of pro-inflammatory cytokines in skeletal muscle and the liver. LFSP also attenuated HFD-induced gut permeability and lowered serum lipopolysaccharide level, providing an evidence for its probiotic effects, which was supported by the observation that treatment of a probiotic mixture of LFSP-originated Bacillus strains protected mice against HFD-induced adiposity and glucose intolerance. Our findings suggest that the intake of LFSP, but not SFSP, offers protection against NAFLD and insulin resistance, which is an effect of long-term fermentation resulting in elevated contents of active ingredients (especially flavonoids) and higher diversity and richness of Bacillus probiotic strains compared to SFSP. PMID- 29222052 TI - In vitro co-culture models to evaluate acute cytotoxicity of individual and combined mycotoxin exposures on Caco-2, THP-1 and HepaRG human cell lines. AB - Deoxynivalenol (DON) and zearalenone (ZEA) are mycotoxins primarily produced by Fusarium species and commonly co-occur in European grains. Some in vitro studies reported synergistic combined effects on cell viability reduction for these two natural food contaminants. However, most of these studies were carried out on conventional cell culture systems involving only one cell type and thus did not include cell-cell communication that is closer to in vivo conditions. In this context, we developed easy bi- and tri-culture systems using the Caco-2 (intestinal epithelial cells), THP-1 (monocytes) and HepaRG (hepatic cells) human cell lines in a proliferating state. Individual and combined cytotoxic effects of DON and ZEA were then assessed using co-cultures during 48 h. In bi-culture systems, results showed that only the highest tested dose of ZEA (IC30) induced a significant reduction in THP-1 viability with both Caco-2 and HepaRG cells cultured in transwells above. On the contrary, only the highest tested dose of DON (IC30) significantly affected HepaRG cell viability located under the Caco-2 cell monolayer. In addition, the DON + ZEA combination seemed to induce higher cytotoxicity than each toxin alone. Mycotoxin quantification in the abluminal compartment by Q-TOF LC-MS suggested uptake of both mycotoxins by the different cell lines. According to the co-culturing cell type, possible cell-cell interactions were also observed. Finally, in the tri-culture system, no cytotoxic effects were observed, regardless of the treatment. These findings highlighted the importance of the proposed models to better decipher toxicological impacts of mycotoxins on more complex cellular systems. PMID- 29222054 TI - Caramel color safety - An update. AB - Caramel color has been used in foods and beverages for over 150 years and is globally regulated as a color additive. The four distinct classes of caramel color (Plain Caramel, Sulfite Caramel, Ammonia Caramel, and Sulfite Ammonia Caramel) are well characterized and each have specifications that take into account processing variables including reactants that can give rise to low molecular weight constituents (e.g., 4-MeI and THI) that may have toxicological significance for evaluating safety. Extensive safety testing has been conducted with the different classes of caramel color and its constituents, including toxicokinetics, genotoxicity, subchronic toxicity, carcinogenicity, and reproductive/developmental toxicity studies. In addition, data is available on uses and use levels that have been used to estimate intakes of caramel colors and their constituents. No Observable Adverse Effect Levels (NOAEL) have been identified for all classes and Acceptable Daily Intakes have been established to ensure safety of use. Available studies support a conclusion that caramel colors are not genotoxic or carcinogenic, and exposure estimates indicate that intake of caramel colors and constituents do not pose undue safety risks. This update summarizes available relevant safety studies and authoritative reviews on caramel colors and its toxicologically important constituents, 4-MeI and THI. PMID- 29222053 TI - Assessment of the effect of cooking on speciation and bioaccessibility/cellular uptake of arsenic in rice, using in vitro digestion and Caco-2 and PSI cells as model. AB - In vitro digestion/Caco-2 or pig small intestinal epithelium cell line (PSI) uptake models were used to study the bioaccessibility and cellular uptake of arsenic (As) in cooked white rice and brown rice. The arsenite(AsIII), was the predominant species in cooked rice and in its bioaccessible fractions. The percentage of total As bioaccessibility in white rice (75%) was slightly higher (p=0.061) than that in brown rice(66%). However, there was no difference in the inorganic As (iAs) bioaccessibility between white rice (95%) and brown rice (96%). In Caco-2 cell monolayer, total As retention was 7-31%, transport was 4 25%, and uptake (sum of retention and transport) was 16-38%. In PSI cell model, the retention, transport, and uptake of tAs were 10-28%, 14-31%, and 29-50%, respectively. In both cells, the cellular uptake of tAs in brown rice was 1.4-1.5 folds lower (p<0.05) than that of white rice. These results indicate that the cellular uptake of As can be affected by nutritional compositions. These in vitro screening methods can serve as preliminary screens to predict the relative impact in rice matrix having different As species and processing conditions, although more research efforts should be applied to validating the existing in vitro methods. PMID- 29222055 TI - Autophagy plays a protective role in Mn-induced toxicity in PC12 cells. AB - Excessive environmental or occupational exposure to manganese (Mn) is associated with increased risk of neuron degenerative disorders. Oxidative stress and mitochondrial dysfunction are the main mechanisms of Mn mediated neurotoxicity. Selective removal of damaged mitochondria by autophagy has been proposed as a protective mechanism against neuronal toxicant-induced neurotoxicity. Whether autophagic flux plays a role in Mn-induced cytotoxicity remains to be fully elucidated. The present study was designed to investigate the effect of Mn exposure on autophagy, and how modulation of autophagic flux alters the sensitivities of cells to Mn-elicited cytotoxicity. Rat adrenal pheochromocytoma PC12 cells were treated with Mn for 24h to establish a cellular mode of Mn toxicity. Treatment of cells with Mn resulted in increased expression of autophagic marker LC3-II protein, as well as accumulation of p62, indicating an interference of autophagy flux caused by Mn. Pre-incubation of cells with antioxidant N-acetyl-l-cysteine (NAC) or resveratrol improved cell survival, accompanied by decreased LC3-II expression and increased expression level of p62, suggesting a down regulation of autophagy flux. To further determine the role of autophagy in Mn-induced cytotoxicity, the effect of chloroquine and rapamycin on cell viability was examined. Inhibition of autophagy flux by chloroquine exacerbated Mn-induced cytotoxicity, while induction of autophagy by rapamycin significantly reduced cell death caused by Mn. Furthermore, it was found that rapamycin, NAC and resveratrol improved cellular oxygen consumption accompanied by a decrease in cellular ROS generation and increase in GSH level, while chloroquine suppressed cellular respiration and deteriorated cellular oxidative stress. Collectively, these results demonstrate that autophagy plays a protective role in Mn-induced cell toxicity. Antioxidants NAC and resveratrol confer protective role in Mn toxicity mainly through maintaining mitochondrial dynamics and function, other than a modulation of autophagy flux. PMID- 29222056 TI - Are bisphosphonates efficacious in knee osteoarthritis? A meta-analysis of randomized controlled trials. AB - OBJECTIVE: To clarify the effects of bisphosphonates in knee osteoarthritis (OA) using an up-to-date meta-analysis of randomized controlled trials (RCTs). DESIGN: The protocol is registered in PROSPERO (CRD42017073449). We searched MEDLINE, EMBASE, Google Scholar, Web of Science, and Cochrane Database from inception until August 2017. We included only RCTs comparing any bisphosphonates vs placebo in knee OA patients and reporting validated pain and function scales, radiographic progression, and adverse events (AEs) outcomes. We excluded studies using active comparators or concomitant medications besides non-steroidal anti inflammatory drugs (NSAIDs) and acetaminophen. We calculated standardized mean differences (SMDs) to account for variation in outcome scales. Random effects meta-analyses were performed. RESULTS: We included seven RCTs (3013 patients, 69% female); most patients (N = 2767) received oral risedronate. No pain or function outcomes, regardless of dose, route, time point or measuring instrument, revealed statistically significant results (end of trial pain SMD = -0.16 [95% confidence interval (CI): -0.34, 0.02]). Similarly, we found no statistically significant effect on radiographic progression (risk ratio = 0.98 [95% CI: 0.77, 1.26]). One small RCT in patients with bone marrow lesions (BMLs) suggested a reduction in BML size at 6 months. Bisphosphonates displayed good tolerability, with no statistically significant differences in AE outcomes vs placebo. CONCLUSIONS: Contrary to prior reviews, our analysis showed that bisphosphonates neither provide symptomatic relief nor defer radiographic progression in knee OA. However, these agents may still be beneficial in certain subsets of patients who display high rates of subchondral bone turnover. Future studies should be directed at defining such OA subsets and investigating the effects of bisphosphonates in those patients. PMID- 29222057 TI - Unfolding the cognitive map: The role of hippocampal and extra-hippocampal substrates based on a systems analysis of spatial processing. AB - What has been long absent in understanding the neural circuit that supports spatial processing is a thorough description and rigorous study of the distributed neural networks associated with spatial processing-both in the human as well as in rodents. Most of our understanding regarding the elucidation of a spatial neural circuit has been based on rodents and therefore the present manuscript will concentrate on that literature. There is a trend emerging in research to expand beyond the hippocampus for evaluating spatial memory, but the thrust of the research still focuses on the role of the hippocampus as essential and other neural substrates as performing sub-servient roles to support hippocampus-dependent spatial processing. This review will describe spatial memory in terms of a system model incorporating partially overlapping and interacting event-based, knowledge-based and rule-based memory systems that are composed of different component processes or attributes associated with spatial processing which are mapped onto the corresponding neural substrates and larger networks. In particular, the interactions among brain systems that process spatial information will be emphasized. We propose that these interactions among brain regions are essential for spatial memory. PMID- 29222058 TI - Differential expression of the immediate early genes c-Fos, Arc, Egr-1, and Npas4 during long-term memory formation in the context preexposure facilitation effect (CPFE). AB - The context preexposure facilitation effect (CPFE) is a contextual fear conditioning paradigm in which learning about the context, acquiring the context shock association, and retrieving/expressing contextual fear are temporally dissociated into three distinct phases (context preexposure, immediate-shock training, and retention). The current study examined changes in the expression of plasticity-associated immediate early genes (IEGs) during context and contextual fear memory formation on the preexposure and training days of the CPFE, respectively. Using adolescent Long-Evans rats, preexposure and training day expression of the IEGs c-Fos, Arc, Egr-1, and Npas4 in the medial prefrontal cortex (mPFC), dorsal hippocampus (dHPC), and basolateral amygdala (BLA) was analyzed using qPCR as an extension of previous studies from our lab examining Egr-1 via in situ hybridization (Asok, Schreiber, Jablonski, Rosen, & Stanton, 2013; Schreiber, Asok, Jablonski, Rosen, & Stanton, 2014). In Expt. 1, context preexposure induced expression of c-Fos, Arc, Egr-1 and Npas4 significantly above that of home-cage (HC) controls in all three regions. In Expt. 2, immediate-shock was followed by a post-shock freezing test, resulting in increased mPFC c-Fos expression in a group preexposed to the training context but not a control group preexposed to an alternate context, indicating expression related to associative learning. This was not seen with other IEGs in mPFC or with any IEG in dHPC or BLA. Finally, when the post-shock freezing test was omitted in Expt. 3, training related increases were observed in prefrontal c-Fos, Arc, Egr-1, and Npas4, hippocampal c-Fos, and amygdalar Egr-1 expression. These results indicate that context exposure in a post-shock freezing test re-engages IEG expression that may obscure associatively-induced expression during contextual fear conditioning. Additionally, these studies suggest a key role for long-term synaptic plasticity in the mPFC in supporting the CPFE. PMID- 29222059 TI - Some Cochrane risk-of-bias items are not important in osteoarthritis trials: a meta-epidemiological study based on Cochrane reviews. AB - OBJECTIVE: To evaluate the impact of bias-related study characteristics on treatment effects in osteoarthritis (OA) trials. STUDY DESIGN AND SETTING: Based on OA trials included in Cochrane reviews, the impact of study characteristics on treatment effect estimates was evaluated. Characteristics included items of the risk of bias (RoB) tool, trial size, single vs. multisite, and source of funding. Effect sizes (ESs) were calculated as standardized mean differences (SMDs). Meta regression was performed to identify "relevant study-level covariates" that decrease the between-study variance (tau^2). RESULTS: Twenty reviews, including 126 OA trials with a high degree of heterogeneity, were included (tau^2 = 0.1247). Among the RoB domains, only patient blinding had an impact on the results (reducing heterogeneity according to tau^2 < 7%). Inadequate blinding of patients yielded larger effects (SMDDifference = 0.15; 95% confidence interval [CI]: 0.01-0.29, P = 0.035). The most important study characteristic was trial size (heterogeneity reduced by 25%), with small trials reporting larger effects (SMDDifference = 0.29; 95% CI: 0.16-0.42, P < 0.001). CONCLUSION: In musculoskeletal reviews addressing pain, all the items included in the Cochrane RoB tool might not be equally important. OA trial results may be affected by bias constructs that are not yet fully elucidated. PMID- 29222060 TI - Cochrane Qualitative and Implementation Methods Group guidance series-paper 6: reporting guidelines for qualitative, implementation, and process evaluation evidence syntheses. AB - OBJECTIVES: To outline contemporary and novel developments for the presentation and reporting of syntheses of qualitative, implementation, and process evaluation evidence and provide recommendations for the use of reporting guidelines. STUDY DESIGN AND SETTING: An overview of reporting guidelines for qualitative, implementation, and process evaluation evidence syntheses drawing on current international literature and the collective expert knowledge of the Cochrane Qualitative and Implementation Methods Group. RESULTS: Several reporting guidelines exist that can be used or adapted to report syntheses of qualitative, implementation, and process evaluation evidence. Methods to develop individual guidance varied. The use of a relevant reporting guideline can enhance the transparency, consistency, and quality of reporting. Guidelines that exist are generic, method specific, and for particular aspects of the reviewing process, searching. CONCLUSION: Caution is expressed over the potential for reporting guidelines to produce a mechanistic approach moving the focus away from the content and toward the procedural aspects of the review. The use of a reporting guideline is recommended and a five-step decision flowchart to guide the choice of reporting guideline is provided. Gaps remain in method-specific reporting guidelines such as mixed-study, implementation, and process evaluation evidence syntheses. PMID- 29222061 TI - Differences between protocols for randomized controlled trials and systematic reviews. PMID- 29222062 TI - Evolutionary history of the cobalamin-independent methionine synthase gene family across the land plants. AB - Plants are successful paleopolyploids. The wide diversity of land plants is driven strongly by their gene duplicates undergoing distinct evolutionary fates after duplication. We used genomic resources from 35 model plant species to unravel the evolutionary fate of gene copies (paralogs) of the cobalamin independent methionine synthase (metE) gene family across the land plants. To explore genealogical relationships and characterize positive selection as a driving force in the evolution of metE paralogs within a single species, we carried out complementary analyses on genomic data of 32 genotypes of soybean. The size of the metE gene family remained small across the land plants; most of the studied species possessed 1-6 paralogs. Gene products were either cytosolic or chloroplastic; this dual subcellular distribution arose early during the divergence of the land plants and reached all extant lineages. Biased gene loss and gene retention events took place multiple times; recurrent evolution remodeled redundant metE paralogs to recover and maintain the dual subcellular distribution of MetE. Shared whole-genome duplication events gave rise to the metE paralogs of both soybean and Medicago truncatula. In soybean, the ancestral paralog pair GlymaPP2A encoded a cytosolic isoform of MetE, was under strong purifying selection, and retained high levels of expression across eight RNA-seq expression libraries. The daughters GlymaPP1 and GlymaPP2B showed accelerated rates of evolution, accumulated many sites predicted to be under positive selection, and possessed low levels of expression. Our results suggest that the metE paralogs of soybean follow Ohno's neofunctionalization model of gene duplicate evolution. PMID- 29222063 TI - Evolutionary dynamism in bryophytes: Phylogenomic inferences confirm rapid radiation in the moss family Funariaceae. AB - Rapid diversifications of plants are primarily documented and studied in angiosperms, which are perceived as evolutionarily dynamic. Recent studies have, however, revealed that bryophytes have also undergone periods of rapid radiation. The speciose family Funariaceae, including the model taxon Physcomitrella patens, is one such lineage. Here, we infer relationships among major lineages within the Entosthodon-Physcomitrium complex from virtually complete organellar exomes (i.e., 123 genes) obtained through high throughput sequencing of genomic libraries enriched in these loci via targeted locus capture. Based on these extensive exonic data we (1) reconstructed a robust backbone topology of the Funariaceae, (2) confirmed the monophyly of Funaria and the polyphyly of Entosthodon, Physcomitrella, and Physcomitrium, and (3) argue for the occurrence of a rapid radiation within the Entosthodon-Physcomitrium complex that began 28 mya and gave rise more than half of the species diversity of the family. This diversification may have been triggered by a whole genome duplication and coincides with global Eocene cooling that continued through the Oligocene and Miocene. The Funariaceae join a growing list of bryophyte lineages whose history is marked by at least one burst of diversification, and our study thereby strengthens the view that bryophytes are evolutionarily dynamic lineages and that patterns and processes characterizing the evolution of angiosperms may be universal among land plants. PMID- 29222065 TI - Testing the monophyly of Simaba (Simaroubaceae): Evidence from five molecular regions and morphology. AB - Generic circumscriptions in the mostly pantropical family Simaroubaceae are somewhat controversial. Simaba is the largest genus, currently defined as exclusively neotropical, with around 25 species of trees and shrubs, but both its limits and infrageneric classification have been a matter of discussion and divergence. Traditionally, species of the genus have been treated in three sections: Simaba sect. Tenuiflorae, S. sect. Floribundae and S. sect. Grandiflorae, but a phylogenetic analysis suggested that the latter two may not be monophyletic. To test the monophyly of Simaba and its infrageneric classification, we used a molecular approach based on DNA sequence data from two nuclear ribosomal spacer regions (ITS and ETS) and three plastid regions (rps16 intron, and intergenic spacers psbA-trnH and trnL-trnF), including a comprehensive sampling of species from Simaba and closely related genera. We also performed ancestral character reconstructions to identify morphological characters that could serve as synapomorphies for major clades and to explore patterns of homoplasy in the morphological dataset. Our results show Simaba as traditionally circumscribed is not monophyletic, with taxa segregated into two strongly supported but distinct clades, one of which is more closely related to Simarouba. The three main clades that emerged in the phylogeny include a mostly Amazonian Simaba clade (which includes the type species of Simaba and the remaining species of S. sect. Tenuiflorae, here proposed to be recognized as Simaba sensu stricto), a mostly extra-Amazonian Simaba clade (a distinct lineage that will be recognized as Homalolepis, a genus currently treated in synonymy and equivalent to Simaba sections Grandiflorae and Floribundae), and the Simarouba clade (including all of its current species). These three clades are characterized by a combination of morphological characters, described in detail herein, some of which are novel features for Simaba not previously reported in the literature. Mapping character-states on the phylogenetic tree provides tests for evolutionary hypotheses. For example, our reconstruction of habit and geographic distribution suggests that the diversification of several shrubby species within the extra-Amazonian lineage in the South American cerrados probably occurred from ancestors inhabiting tropical forests, involving transitions in morphological and ecological traits. PMID- 29222064 TI - Evolution in the Amphi-Atlantic tropical genus Guibourtia (Fabaceae, Detarioideae), combining NGS phylogeny and morphology. AB - Tropical rain forests support a remarkable diversity of tree species, questioning how and when this diversity arose. The genus Guibourtia (Fabaceae, Detarioideae), characterized by two South American and 13 African tree species growing in various tropical biomes, is an interesting model to address the role of biogeographic processes and adaptation to contrasted environments on species diversification. Combining whole plastid genome sequencing and morphological characters analysis, we studied the timing of speciation and diversification processes in Guibourtia through molecular dating and ancestral habitats reconstruction. All species except G. demeusei and G. copallifera appear monophyletic. Dispersal from Africa to America across the Atlantic Ocean is the most plausible hypothesis to explain the occurrence of Neotropical Guibourtia species, which diverged ca. 11.8 Ma from their closest African relatives. The diversification of the three main clades of African Guibourtia is concomitant to Miocene global climate changes, highlighting pre-Quaternary speciation events. These clades differ by their reproductive characters, which validates the three subgenera previously described: Pseudocopaiva, Guibourtia and Gorskia. Within most monophyletic species, plastid lineages start diverging from each other during the Pliocene or early Pleistocene, suggesting that these species already arose during this period. The multiple transitions between rain forests and dry forests/savannahs inferred here through the plastid phylogeny in each Guibourtia subgenus address thus new questions about the role of phylogenetic relationships in shaping ecological niche and morphological similarity among taxa. PMID- 29222066 TI - Large-scale randomized clinical trials of bioactives and nutrients in relation to human health and disease prevention - Lessons from the VITAL and COSMOS trials. AB - Several bioactive compounds and nutrients in foods have physiological properties that are beneficial for human health. While nutrients typically have clear definitions with established levels of recommended intakes, bioactive compounds often lack such a definition. Although a food-based approach is often the optimal approach to ensure adequate intake of bioactives and nutrients, these components are also often produced as dietary supplements. However, many of these supplements are not sufficiently studied and have an unclear role in chronic disease prevention. Randomized trials are considered the gold standard of study designs, but have not been fully applied to understand the effects of bioactives and nutrients. We review the specific role of large-scale trials to test whether bioactives and nutrients have an effect on health outcomes through several crucial components of trial design, including selection of intervention, recruitment, compliance, outcome selection, and interpretation and generalizability of study findings. We will discuss these components in the context of two randomized clinical trials, the VITamin D and OmegA-3 TriaL (VITAL) and the COcoa Supplement and Multivitamin Outcomes Study (COSMOS). We will mainly focus on dietary supplements of bioactives and nutrients while also emphasizing the need for translation and integration with food-based trials that are of vital importance within nutritional research. PMID- 29222067 TI - Role of extracellular vesicles in glioma progression. AB - The role of extracellular vesicles in cancer biology has emerged as a focus of the study of great importance and has been shown to directly influence tumour development in several cancers including brain tumours, such as gliomas. Gliomas are the most aggressive brain tumours, and in the last time, a considerable effort has been made to understand their biology. Studies focus in the signalling pathways involved in the processes of angiogenesis, viability, drug resistance and immune response evasion, as well as gliomas ability to infiltrate healthy tissue, a phenomenon regulated by the migratory and invasive capacity of the cells within a tumour. In this review, we summarize the different types and classifications of extracellular vesicles, their intravesicular content, and their role in the regulation of tumour progression processes in glioma. PMID- 29222068 TI - Foetoplacental communication via extracellular vesicles in normal pregnancy and preeclampsia. AB - Intercellular communication is a critical process in biological mechanisms. During pregnancy foetoplacental tissues release a heterogeneous group of extracellular vesicles (EVs) that include exosomes, microvesicles, apoptotic bodies, and syncytial nuclear aggregates. These vesicles contain a complex cargo (proteins, DNA, mRNA transcripts, microRNAs, noncoding RNA, lipids, and other molecules) that actively participate in the maternal-foetal communication by modulating different processes during gestation for a successful foetal development. Each stage of human gestation is marked by events such as immunomodulation, proliferation, invasion, migration, and differentiation, among others, requiring EVs-mediated signalling to be nearby or distant target cells. Furthermore, EVs also associate with pregnancy pathologies such as preeclampsia and intrauterine growth restriction. This review addresses the role of EVs in human foetomaternal communication in normal pregnancy and preeclampsia. PMID- 29222069 TI - Cooperativity between different tRNA modifications and their modification pathways. AB - Ribonucleotide modifications perform a wide variety of roles in synthesis, turnover and functionality of tRNA molecules. The presence of particular chemical moieties can refine the internal interaction network within a tRNA molecule, influence its thermodynamic stability, contribute novel chemical properties and affect its decoding behavior during mRNA translation. As the lack of specific modifications in the anticodon stem and loop causes disrupted proteome homeostasis, diminished response to stress conditions, and the onset of human diseases, the underlying modification cascades have recently gained particular scientific and clinical interest. Nowadays, a complicated but conclusive image of the interconnectivity between different enzymatic modification cascades and their resulting tRNA modifications emerges. Here we summarize the current knowledge in the field, focusing on the known instances of cross talk among the enzymatic tRNA modification pathways and the consequences on the dynamic regulation of the tRNA modificome by various factors. This article is part of a Special Issue entitled: SI: Regulation of tRNA synthesis and modification in physiological conditions and disease edited by Dr. Boguta Magdalena. PMID- 29222070 TI - Regulation of tRNA biogenesis in plants and its link to plant growth and response to pathogens. AB - The field of tRNA biology, encompassing the functional and structural complexity of tRNAs, has fascinated scientists over the years and is continuously growing. Besides their fundamental role in protein translation, new evidence indicates that tRNA-derived molecules also regulate gene expression and protein synthesis in all domains of life. This review highlights some of the recent findings linking tRNA transcription and modification with plant cell growth and response to pathogens. In fact, mutations in proteins directly involved in tRNA synthesis and modification most often lead to pleiotropic effects on plant growth and immunity. As plants need to optimize and balance their energy and nutrient resources towards growth and defense, regulatory pathways that play a central role in integrating tRNA transcription and protein translation with cell growth control and organ development, such as the auxin-TOR signaling pathway, also influence the plant immune response against pathogens. As a consequence, distinct pathogens employ an array of effector molecules including tRNA fragments to target such regulatory pathways to exploit the plant's translational capacity, gain access to nutrients and evade defenses. An example includes the RNA polymerase III repressor MAF1, a conserved component of the TOR signaling pathway that controls ribosome biogenesis and tRNA synthesis required for plant growth and which is targeted by a pathogen effector molecule to promote disease. This article is part of a Special Issue entitled: SI: Regulation of tRNA synthesis and modification in physiological conditions and disease edited by Dr. Boguta Magdalena. PMID- 29222071 TI - HDAC11 is a regulator of diverse immune functions. AB - Histone deacetylases deacetylate histone and non-histone protein targets. Aberrant HDAC expression and function have been observed in several diseases, which make these enzymes attractive treatment targets. Here, we summarize recent literature that addresses the roles of HDAC11 on the regulation of different immune cells including neutrophils, myeloid derived suppressor cells and T-cells. HDAC11 was initially identified as a negative regulator of the well-known anti inflammatory cytokine IL-10. Hence, antagonizing HDAC11 activity may have anti tumor potential, whereas activating HDAC11 may be useful to treat chronic inflammation or autoimmunity. However, to anticipate biological side-effects of HDAC11 modulators, more molecular insights will be required. PMID- 29222073 TI - Functional Impairments in a Patient with Morvan Syndrome: A Case Presentation. AB - : A 48-year-old man with lung squamous cell carcinoma was admitted to acute care with cognitive impairment after recent chemotherapy. He developed myoclonus, ataxia, agitation, and visual hallucinations. Morvan syndrome, a rare voltage gated potassium channel antibody disorder characterized by neuromyotonia with central nervous system dysfunction, was eventually diagnosed. He received plasmapheresis and was admitted to inpatient rehabilitation, where he safely participated in therapies. By focusing on neuromuscular rehabilitation, balance training, fine motor skills, and cognitive retraining emphasizing skills relevant to the patient's premorbid cognitive activities, the patient demonstrated significant functional improvement, decreasing the burden of care of his caregivers. LEVEL OF EVIDENCE: V. PMID- 29222072 TI - Heparan sulfate potentiates leukocyte adhesion on cardiac fibroblast by enhancing Vcam-1 and Icam-1 expression. AB - : Cardiac fibroblasts (CF) act as sentinel cells responding to chemokines, cytokines and growth factors released in cardiac tissue in cardiac injury events, such as myocardial infarction (MI). Cardiac injury involves the release of various damage-associated molecular patterns (DAMPs) including heparan sulfate (HS), a constituent of the extracellular matrix (ECM), through the TLR4 receptor activation triggering a strong inflammatory response, inducing leukocytes recruitment. This latter cells are responsible of clearing cell debris and releasing cytokines that promote CF differentiation to myofibroblast (CMF), thus initiating scar formation. CF were isolated from adult male rats and subsequently stimulated with HS or LPS, in the presence or absence of chemical inhibitors, to evaluate signaling pathways involved in ICAM-1 and VCAM-1 expression. siRNA against ICAM-1 and VCAM-1 were used to evaluate participation of these adhesion molecules on leukocytes recruitment. HS through TLR4, PI3K/AKT and NF-KappaB increased ICAM-1 and VCAM-1 expression, which favored the adhesion of spleen mononuclear cells (SMC) and bone marrow granulocytes (PMN) to CF. These effects were prevented by siRNA against ICAM-1 and VCAM-1. Co-culture of CF with SMC increased alpha-SMA expression, skewing CF towards a pro-fibrotic phenotype, while CF pretreatment with HS partially reverted this effect. CONCLUSION: These data show the dual role of HS during the initial stages of wound healing. Initially, HS enhance the pro-inflammatory role of CF increasing cytokines secretion; and later, by increasing protein adhesion molecules allows the adhesion of SMC on CF, which trigger CF-to-CMF differentiation. PMID- 29222074 TI - Changes in Oxygen Consumption and Heart Rate After Acute Myocardial Infarction During 6-Month Follow-up. AB - BACKGROUND: Exercise intensity is a particularly important determinant of physiological responses to exercise training in patients with acute myocardial infarction. Heart rate (HR) is commonly used as a practical way of prescribing and monitoring exercise as specific intensities based on a linear relationship between the percentage of maximum HR (%HRmax) and the percentage of maximum oxygen consumption (%VO2max) regardless of age, gender, or exercise mode. OBJECTIVE: To examine the change in variability in the correlation between %HRmax and %VO2max after acute myocardial infarction. DESIGN: Retrospective study. SETTING: Regional cardio-cerebrovascular center at a tertiary hospital. PATIENTS: A total of 66 patients were enrolled who were referred for cardiac rehabilitation (CR) after percutaneous intervention, and who had reached stage 3 of the modified Bruce Protocol (mBP) on an exercise tolerance test (ETT). METHODS: There were 54 men and 12 women with an average age of 56.7 +/- 9.48 years, ejection fraction (EF) of 56.4% +/- 8.89%, and body mass index (BMI) of 24.73 +/- 2.86 kg/m2. All patients participated in a 4-week outpatient CR program and underwent ETT with a gas analyzer to determine maximal heart rate and maximal oxygen consumption before CR and 1 month, 3 months, and 6 months after CR. MAIN OUTCOME MEASUREMENTS: VO2max and HRmax were defined as the highest values attained during the ETT. The HR and VO2 values at each stage of the mBP were expressed as percentages of their maximum. %HRmax and %VO2max were calculated at each stage of the mBP. RESULTS: The maximum METs and VO2max significantly improved at 1 month after CR, but not significantly at 3 and 6 months after CR. The correlation between VO2max and HRmax progressively changed in a favorable manner during CR. The relationship between %HRmax and %VO2max indicated a coefficient of variation before and 1, 3, and 6 months after of 0.800, 0.826, 0.832, and 0.880, respectively. CONCLUSIONS: This study showed that the %HRmax correlates better with the %VO2max in the late-stage post-AMI than in the initial stage. We should therefore set and monitor the exercise intensity using maximal oxygen consumption in the early stage of exercise training after onset of acute myocardial infarction. LEVEL OF EVIDENCE: IV. PMID- 29222075 TI - Examining Tensions That Affect the Evaluation of Technology in Health Care: Considerations for System Decision Makers From the Perspective of Industry and Evaluators. AB - Virtual technologies have the potential to mitigate a range of challenges for health care systems. Despite the widespread use of mobile devices in everyday life, they currently have a limited role in health service delivery and clinical care. Efforts to integrate the fast-paced consumer technology market with health care delivery exposes tensions among patients, providers, vendors, evaluators, and system decision makers. This paper explores the key tensions between the high bar for evidence prior to market approval that guides health care regulatory decisions and the "fail fast" reality of the technology industry. We examine three core tensions: balancing user needs versus system needs, rigor versus responsiveness, and the role of pre- versus postmarket evidence generation. We use these to elaborate on the structure and appropriateness of evaluation mechanisms for virtual care solutions. Virtual technologies provide a foundation for personalized, patient-centered medicine on the user side, coupled with a broader understanding of impact on the system side. However, mechanisms for stakeholder discussion are needed to clarify the nature of the health technology marketplace and the drivers of evaluation priorities. PMID- 29222077 TI - Can Facebook Reduce Perceived Anxiety Among College Students? Randomized Controlled Exercise Trial Using the Transtheoretical Model of Behavior Change. AB - BACKGROUND: Recent studies suggest social media may be an attractive strategy to promote mental health and wellness. There remains a need to examine the utility for individually tailored wellness messages posted to social media sites such as Facebook to facilitate positive psychological outcomes. OBJECTIVE: Our aim was to extend the growing body of evidence supporting the potential for social media to enhance mental health. We evaluated the influence of an 8-week social media intervention on anxiety in college students and examined the impact of dynamic (active) versus static (passive) Facebook content on physical activity behaviors. METHODS: Participants in the static group (n=21) accessed a Facebook page featuring 96 statuses. Statuses were intended to engage cognitive processes followed by behavioral processes of change per the transtheoretical model of behavior change. Content posted on the static Facebook page was identical to the dynamic page; however, the static group viewed all 96 statuses on the first day of the study, while the dynamic group received only 1 to 2 of these status updates per day throughout the intervention. Anxiety was measured using the Overall Anxiety Severity and Impairment Scale (OASIS). Time spent engaging in physical activity was assessed using the International Physical Activity Questionnaire (IPAQ). RESULTS: The OASIS change score for the dynamic Facebook group was statistically significant (P=.003), whereas the change score for the static group was not (P=.48). A statistically significant group-by-time interaction was observed (P=.03). The total IPAQ group-by-time interaction was not statistically significant (P=.06). CONCLUSIONS: We observed a decrease in anxiety and increase in total physical activity for the dynamic group only. Dynamic social networking sites, featuring regularly updated content, may be more advantageous than websites that retain static content over time. TRIAL REGISTRATION: ClinicalTrials.gov NCT03363737; https://clinicaltrials.gov/ct2/show/NCT03363737 (Archived by WebCite at http://www.webcitation.org/6vXzNbOWJ). PMID- 29222076 TI - Adverse Drug Event Discovery Using Biomedical Literature: A Big Data Neural Network Adventure. AB - BACKGROUND: The study of adverse drug events (ADEs) is a tenured topic in medical literature. In recent years, increasing numbers of scientific articles and health related social media posts have been generated and shared daily, albeit with very limited use for ADE study and with little known about the content with respect to ADEs. OBJECTIVE: The aim of this study was to develop a big data analytics strategy that mines the content of scientific articles and health-related Web based social media to detect and identify ADEs. METHODS: We analyzed the following two data sources: (1) biomedical articles and (2) health-related social media blog posts. We developed an intelligent and scalable text mining solution on big data infrastructures composed of Apache Spark, natural language processing, and machine learning. This was combined with an Elasticsearch No-SQL distributed database to explore and visualize ADEs. RESULTS: The accuracy, precision, recall, and area under receiver operating characteristic of the system were 92.7%, 93.6%, 93.0%, and 0.905, respectively, and showed better results in comparison with traditional approaches in the literature. This work not only detected and classified ADE sentences from big data biomedical literature but also scientifically visualized ADE interactions. CONCLUSIONS: To the best of our knowledge, this work is the first to investigate a big data machine learning strategy for ADE discovery on massive datasets downloaded from PubMed Central and social media. This contribution illustrates possible capacities in big data biomedical text analysis using advanced computational methods with real-time update from new data published on a daily basis. PMID- 29222078 TI - Texting Condolences: Adapting mHealth Programs After Unexpected Pregnancy and Infant Outcomes. AB - Mobile health (mHealth) short message system (SMS) interventions for maternal and child health (MCH) are being implemented globally. In many low- and middle-income settings in which these mHealth interventions are being rolled out, stillbirths and neonatal and infant deaths are common. It is important that mHealth solutions do not exacerbate emotional stress and pain by continuing with routine messaging for pregnancy or infant care when someone has experienced loss. In this brief viewpoint paper, we argue that SMS programs for maternal and child health need to adapt and make available messaging for miscarriage, stillbirth, and infant loss. PMID- 29222079 TI - Web-Based Interventions Supporting Adolescents and Young People With Depressive Symptoms: Systematic Review and Meta-Analysis. AB - BACKGROUND: Although previous studies on information and communication technology (ICT)-based intervention on mental health among adolescents with depressive symptoms have already been combined in a number of systematic reviews, coherent information is still missing about interventions used, participants' engagement of these interventions, and how these interventions work. OBJECTIVE: We conducted a systematic review and meta-analysis of trials to describe the effectiveness of Web-based interventions to support adolescents with depression or depressive symptoms, anxiety, and stress. We also explored the content of the interventions, as there has previously been a lack of coherent understanding of the detailed content of the Web-based interventions for these purposes. METHODS: We included parallel randomized controlled trials targeted at adolescents, or young people in the age range of 10 and 24 years, with symptoms or diagnoses of depression and anxiety. The interventions were from original studies aimed to support mental health among adolescents, and they were delivered via Web-based information and communication technology. RESULTS: Out of 2087 records identified, 27 papers (22 studies) met the inclusion criteria. On the basis of a narrative analysis of 22 studies, a variety of Web-based interventions were found; the most commonly used intervention was based on cognitive behavioral therapy. Meta-analysis was further conducted with 15 studies (4979 participants). At the end of the intervention, a statistically significant improvement was found in the intervention group (10 studies) regarding depressive symptoms (P=.02, median 1.68, 95% CI 3.11-0.25) and after 6 months (3 studies; P=.01, median 1.78, 95% CI 3.20-0.37). Anxiety symptoms (8 studies; P<.001, median 1.47, 95% CI 2.36-0.59) and moods and feelings (2 studies; P=.04, median 5.55, 95% CI 10.88-0.22) improved as well in the Web-based intervention group, but there was no difference in stress scores. However, adolescents in the intervention group left the study early more often, both in short-term studies (11 studies; P=.007, median 1.31, 95% CI 1.08-1.58) and mid-term studies (3 studies; P=.02, median 1.65, 95% CI 1.09-2.49). We did not find any studies that had assessed the costs of the Web-based interventions. CONCLUSIONS: Despite widely reported promises that information technology use is beneficial to adolescents with depression, the results of our review show only short-term effects on adolescents' mental well-being, whereas long-term effects remain questionable because of the limited number of studies reviewed. Information about the economic benefits of Web-based interventions is still lacking. The quality of the studies, especially biases related to attrition rates and selective reporting, still needs serious attention. PMID- 29222080 TI - The 12-item Self-Report World Health Organization Disability Assessment Schedule (WHODAS) 2.0 Administered Via the Internet to Individuals With Anxiety and Stress Disorders: A Psychometric Investigation Based on Data From Two Clinical Trials. AB - BACKGROUND: The World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) is a widespread measure of disability and functional impairment, which is bundled with the Diagnostic and Statistical Manual of Mental Disorders (Fifth Edition) for use in psychiatry. Administering psychometric scales via the Internet is an effective way to reach respondents and allow for convenient handling of data. OBJECTIVE: The aim was to study the psychometric properties of the 12-item self-report WHODAS 2.0 when administered online to individuals with anxiety and stress disorders. The WHODAS 2.0 was hypothesized to exhibit high internal consistency and be unidimensional. We also expected the WHODAS 2.0 to show high 2-week test-retest reliability, convergent validity (correlations approximately .50 to .90 with other self-report measures of functional impairment), that it would differentiate between patients with and without exhaustion disorder, and that it would respond to change in primary symptom domain. METHODS: We administered the 12-item self-report WHODAS 2.0 online to patients with anxiety and stress disorders (N=160) enrolled in clinical trials of cognitive behavior therapy, and analyzed psychometric properties within a classical test theory framework. Scores were compared with well-established symptom and disability measures, and sensitivity to change was studied from pretreatment to posttreatment assessment. RESULTS: The 12-item self-report WHODAS 2.0 showed high internal consistency (Cronbach alpha=.83-.92), high 2-week test retest reliability (intraclass correlation coefficient=.83), adequate construct validity, and was sensitive to change. We found preliminary evidence for a three factorial structure, but one strong factor accounted for a clear majority of the variance. CONCLUSIONS: We conclude that the 12-item self-report WHODAS 2.0 is a psychometrically sound instrument when administered online to individuals with anxiety and stress disorders, but that it is probably fruitful to also report the three subfactors to facilitate comparisons between studies. TRIAL REGISTRATION: Clinicaltrials.gov NCT02540317; https://clinicaltrials.gov/ct2/show/NCT02540317 (Archived by WebCite at http://www.webcitation.org/6vQEdYAem); Clinicaltrials.gov NCT02314065; https://clinicaltrials.gov/ct2/show/NCT02314065 (Archived by WebCite at http://www.webcitation.org/6vQEjlUU8). PMID- 29222081 TI - Media Consumption and Creation in Attitudes Toward and Knowledge of Inflammatory Bowel Disease: Web-Based Survey. AB - BACKGROUND: Inflammatory bowel disease (IBD) is a chronic gastrointestinal condition affecting over 5 million people globally and 1.6 million in the United States but currently lacks a precisely determined cause or cure. The range of symptoms IBD patients experience are often debilitating, and the societal stigmas associated with some such symptoms can further degrade their quality of life. Better understanding the nature of this public reproach then is a critical component for improving awareness campaigns and, ultimately, the experiences of IBD patients. OBJECTIVE: The objective of this study was to explore and assess the public's awareness and knowledge of IBD, as well as what relationship, if any, exists between the social stigma surrounding IBD, knowledge of the disease, and various media usage, including social media. METHODS: Utilizing a Web-based opt-in platform, we surveyed a nationally representative sample (n=1200) with demographics mirroring those of the US Census figures across baseline parameters. Using constructed indices based on factor analysis, we were able to build reliable measures of personal characteristics, media behaviors, and perceptions and knowledge of IBD. RESULTS: Among the American public, IBD is the most stigmatized of seven diseases, including genital herpes and human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS). Additionally, IBD knowledge is generally low with 11.08% (133/1200) of the sample indicating no familiarity with the disease and 85.50% (1026/1200) of participants inaccurately answering two-thirds of the IBD index questions with which their knowledge was assessed. Increased knowledge of IBD is associated with lower levels of stigma. However, social media use is currently related to lower levels of IBD knowledge (P<.05). Furthermore, findings indicate that participants who most frequently engaged in producing social media content are less knowledgeable about IBD (P<.10), highlighting the potential for a dangerous cycle should they be contributing to a Web-based IBD dialogue. CONCLUSIONS: Greater efforts must be taken to stymie IBD misinformation across all media, but especially in social media channels, to increase IBD knowledge and reduce stigma surrounding IBD. These findings pave the way for further research qualitatively examining the pervasiveness of specific IBD messages found in today's social media landscape and their impact on enacted stigmas so as to better equip providers and patient advocacy organizations with impactful communication solutions. PMID- 29222082 TI - Bawa-Garba case: "When something goes wrong in healthcare there is never one person to blame". PMID- 29222083 TI - An Anglo-American medical lexicon. PMID- 29222084 TI - Judge grants anonymity to hospital treating brain damaged baby to protect staff. PMID- 29222085 TI - Different shell, same shock. PMID- 29222088 TI - Can we make informed consent forms more informative? PMID- 29222086 TI - Genome-wide DNA methylation profiling using the methylation-dependent restriction enzyme LpnPI. AB - DNA methylation is a well-known epigenetic modification that plays a crucial role in gene regulation, but genome-wide analysis of DNA methylation remains technically challenging and costly. DNA methylation-dependent restriction enzymes can be used to restrict CpG methylation analysis to methylated regions of the genome only, which significantly reduces the required sequencing depth and simplifies subsequent bioinformatics analysis. Unfortunately, this approach has been hampered by complete digestion of DNA in CpG methylation-dense regions, resulting in fragments that are too small for accurate mapping. Here, we show that the activity of DNA methylation-dependent enzyme, LpnPI, is blocked by a fragment size smaller than 32 bp. This unique property prevents complete digestion of methylation-dense DNA and allows accurate genome-wide analysis of CpG methylation at single-nucleotide resolution. Methylated DNA sequencing (MeD seq) of LpnPI digested fragments revealed highly reproducible genome-wide CpG methylation profiles for >50% of all potentially methylated CpGs, at a sequencing depth less than one-tenth required for whole-genome bisulfite sequencing (WGBS). MeD-seq identified a high number of patient and tissue-specific differential methylated regions (DMRs) and revealed that patient-specific DMRs observed in both blood and buccal samples predict DNA methylation in other tissues and organs. We also observed highly variable DNA methylation at gene promoters on the inactive X Chromosome, indicating tissue-specific and interpatient-specific escape of X Chromosome inactivation. These findings highlight the potential of MeD-seq for high-throughput epigenetic profiling. PMID- 29222087 TI - Dose-dependent relationship between acidosis at birth and likelihood of death or cerebral palsy. AB - BACKGROUND: The acid-base status of infants around birth can provide information about their past, current and future condition. Although umbilical cord blood pH <7.0 or base deficit >=12 mmol/L is associated with increased risk of adverse outcome, there is uncertainty about the prognostic value of degree of acidosis as previous studies have used different variables, thresholds, outcomes and populations. METHODS: Retrospective review of routinely collected clinical data in all live-born inborn infants of 35 weeks gestation or more delivered between January 2005 and December 2013 at the Simpson Centre for Reproductive Health, Edinburgh, UK. Infants were included if their lowest recorded pH was <7 and/or highest base deficit >=12 mmol/L on either umbilical cord blood and/or neonatal blood gas within 1 hour of birth. Neurodevelopmental outcome of the infants with encephalopathy was collected from the targeted follow-up database. RESULTS: 56 574 infants were eligible. 506 infants (0.9%) met inclusion criteria. Poor condition at birth and all adverse outcomes increased with worsening acidosis. Combined outcome of death or cerebral palsy was 3%, 10% and 40% at lowest pH of 6.9-6.99, 6.8-6.89 and <6.8, respectively, and 8%, 14% and 59% at a base deficit of 12-15.9, 16-19.9 and 20 mmol/L or more, respectively. CONCLUSIONS: There is a dose-dependent relationship between the degree of acidosis within an hour of delivery, and the likelihood of adverse neonatal and later neurodevelopmental outcome in infants born at 35 weeks gestation or more. PMID- 29222091 TI - Waste management, informal recycling, environmental pollution and public health. AB - With rapid population growth, especially in low-income and middle-income countries, the generation of waste is increasing at an unprecedented rate. For example, annual global waste arising from waste electrical and electronic equipment alone will have increased from 33.8 to 49.8 million tonnes between 2010 and 2018. Despite incineration and other waste treatment techniques, landfill still dominates waste disposal in low-income and middle-income countries. There is usually insufficient funding for adequate waste management in these countries and uptake of more advanced waste treatment technologies is poor. Without proper management, many landfills represent serious hazards as typified by the landslide in Shenzhen, China on 20 December 2015. In addition to formal waste recycling systems, approximately 15million people around the world are involved in informal waste recycling, mainly for plastics, metals, glass and paper. This review examines emerging public health challenges, in particular within low-income and middle-income countries, associated with the informal sector. While informal recyclers contribute to waste recycling and reuse, the relatively primitive techniques they employ, combined with improper management of secondary pollutants, exacerbate environmental pollution of air, soil and water. Even worse, insufficient occupational health measures expose informal waste workers to a range of pollutants, injuries, respiratory and dermatological problems, infections and other serious health issues that contribute to low life expectancy. Integration of the informal sector with its formal counterparts could improve waste management while addressing these serious health and livelihood issues. Progress in this direction has already been made notably in several Latin American countries where integrating the informal and formal sectors has had a positive influence on both waste management and poverty alleviation. PMID- 29222090 TI - GPR55 regulates intraepithelial lymphocyte migration dynamics and susceptibility to intestinal damage. AB - Intraepithelial lymphocytes (IELs) of the small intestine are intimately associated with the epithelial cells. Yet, the factors controlling their migration and interaction dynamics are poorly understood. We demonstrate that GPR55, a receptor that mediates migration inhibition in response to lysophosphatidylinositol (LPI), negatively regulates T cell receptor gammadelta (TCRgammadelta) IEL accumulation in the small intestine. Intravital imaging studies show that GPR55-deficient IELs migrate faster and interact more extensively with epithelial cells. GPR55 also negatively regulates T cell homing to the small intestine and gammadeltaT cell egress from Peyer's patches. GPR55 deficiency or short-term antagonist treatment protects from nonsteroidal anti inflammatory drug-induced increases in intestinal permeability. These findings identify a migration-inhibitory receptor that restrains IEL-epithelial cell cross talk and show that antagonism of this receptor can protect from intestinal barrier dysfunction. PMID- 29222089 TI - Core-binding factor beta and Runx transcription factors promote adaptive natural killer cell responses. AB - Natural killer (NK) cells are innate lymphocytes that have features of adaptive immunity such as clonal expansion and generation of long-lived memory. Interleukin-12 (IL-12) signaling through its downstream transcription factor signal transducer and activator of transcription 4 (STAT4) is required for the generation of memory NK cells after expansion. We identify gene loci that are highly enriched for STAT4 binding using chromatin immunoprecipitation sequencing for STAT4 and the permissive histone mark H3K4me3 in activated NK cells. We found that promoter regions of Runx1 and Runx3 are targets of STAT4 and that STAT4 binding during NK cell activation induces epigenetic modifications of Runx gene loci resulting in increased expression. Furthermore, specific ablation of Runx1, Runx3, or their binding partner Cbfb in NK cells resulted in defective clonal expansion and memory formation during viral infection, with evidence for Runx1 mediated control of a cell cycle program. Thus, our study reveals a mechanism whereby STAT4-mediated epigenetic control of individual Runx transcription factors promotes the adaptive behavior of antiviral NK cells. PMID- 29222092 TI - Targeted disruption of the Kcnj5 gene in the female mouse lowers aldosterone levels. AB - Aldosterone is released from adrenal zona glomerulosa (ZG) cells and plays an important role in Na and K homoeostasis. Mutations in the human inwardly rectifying K channel CNJ type (KCNJ) 5 (KCNJ5) gene encoding the G-coupled inwardly rectifying K channel 4 (GIRK4) cause abnormal aldosterone secretion and hypertension. To better understand the role of wild-type (WT) GIRK4 in regulating aldosterone release, we have looked at aldosterone secretion in a Kcnj5 knockout (KO) mouse. We found that female but not male KO mice have reduced aldosterone levels compared with WT female controls, but higher levels of aldosterone after angiotensin II (Ang-II) stimulation. These differences could not be explained by sex differences in aldosterone synthase (Cyp11B2) gene expression in the mouse adrenal. Using RNAseq analysis to compare WT and KO adrenals, we showed that females also have a much larger set of differentially expressed adrenal genes than males (395 compared with 7). Ingenuity Pathway Analysis (IPA) of this gene set suggested that peroxisome proliferator activated receptor (PPAR) nuclear receptors regulated aldosterone production and altered signalling in the female KO mouse, which could explain the reduced aldosterone secretion. We tested this hypothesis in H295R adrenal cells and showed that the selective PPARalpha agonist fenofibrate can stimulate aldosterone production and induce Cyp11b2. Dosing mice in vivo produced similar results. Together our data show that Kcnj5 is important for baseline aldosterone secretion, but its importance is sex-limited at least in the mouse. It also highlights a novel regulatory pathway for aldosterone secretion through PPARalpha that may have translational potential in human hyperaldosteronism. PMID- 29222093 TI - Are the NHS national outcomes frameworks past their sell-by date? PMID- 29222094 TI - Case-based discussion from the neonatal intensive care unit: a case of an intentional oesophageal intubation. AB - Tracheal agenesis (TA) is a rare congenital defect consisting of complete or partial absence of the trachea below the larynx. Antenatal diagnosis is challenging, and most cases are detected in the postnatal period. Airway management of such cases, particularly in the absence of antenatal diagnosis, can be challenging. Various methods of management have been described but with limited success, and overall prognosis remains very poor. We present an unexpected case of TA, highlighting management issues and diagnostic methods. PMID- 29222095 TI - NHS pays L45 000 to family of a woman who was kept alive against her will. PMID- 29222096 TI - Aerobic Transformation of 2,4-Dinitrotoluene by Escherichia coli and Its Implications for the Detection of Trace Explosives. AB - DNT (2,4-dinitrotoluene), a volatile impurity in military-grade 2,4,6 trinitrotoluene (TNT)-based explosives, is a potential tracer for the detection of buried landmines and other explosive devices. We have previously described an Escherichia coli bioreporter strain engineered to detect traces of DNT and have demonstrated that the yqjF gene promoter, the sensing element of this bioreporter, is induced not by DNT but by at least one of its transformation products. In the present study, we have characterized the initial stages of DNT biotransformation in E. coli, have identified the key metabolic products in this reductive pathway, and demonstrate that the main DNT metabolite that induces yqjF is 2,4,5-trihydroxytoluene. We further show that E. coli cannot utilize DNT as a sole carbon or nitrogen source and propose that this compound is metabolized in order to neutralize its toxicity to the cells.IMPORTANCE The information provided in this article sheds new light both on the microbial biodegradability of nitroaromatic compounds and on the metabolic capabilities of E. coli By doing so, it also clarifies the pathway leading to the previously unexplained induction of the E. coli yqjF gene by 2,4-dinitrotoluene, an impurity that accompanies 2,4,6 trinitrotoluene (TNT)-based explosives. Our improved understanding of these processes will serve to molecularly enhance the performance of a previously described microbial bioreporter of buried landmines and other explosive devices, in which the yqjF gene promoter serves as the sensing element. PMID- 29222097 TI - A New Niche for Anoxygenic Phototrophs as Endoliths. AB - Anoxygenic phototrophic bacteria (APBs) occur in a wide range of aquatic habitats, from hot springs to freshwater lakes and intertidal microbial mats. Here, we report the discovery of a novel niche for APBs: endoliths within marine littoral carbonates. In a study of 40 locations around Isla de Mona, Puerto Rico, and Menorca, Spain, 16S rRNA high-throughput sequencing of endolithic community DNA revealed the presence of abundant phylotypes potentially belonging to well known APB clades. An ad hoc phylogenetic classification of these sequences enabled us to refine the assignments more stringently. Even then, all locations contained such putative APBs, often reaching a significant proportion of all phototrophic sequences. In fact, in some 20% of samples, their contribution exceeded that of oxygenic phototrophs, previously regarded as the major type of endolithic microbe in carbonates. The communities contained representatives of APBs in the Chloroflexales, various proteobacterial groups, and Chlorobi The most abundant phylotypes varied with geography: on Isla de Mona, Roseiflexus and Chlorothrix-related phylotypes dominated, whereas those related to Erythrobacter were the most common in Menorca. The presence of active populations of APBs was corroborated through an analysis of photopigments: bacteriochlorophylls were detected in all samples, bacteriochlorophyll c and a being most abundant. We discuss the potential metabolism and geomicrobial roles of endolithic APBs. Phylogenetic inference suggests that APBs may be playing a role as photoheterotrophs, adding biogeochemical complexity to our understanding of such communities. Given the global extent of coastal carbonate platforms, they likely represent a very large and unexplored habitat for APBs.IMPORTANCE Endolithic microbial communities from carbonates, which have been explored for over 2 centuries in predominantly naturalistic studies, were thought to be primarily composed of eukaryotic algae and cyanobacteria. Our report represents a paradigm shift in this regard, at least for the marine environment, demonstrating the presence of ubiquitous and abundant populations of APBs in this habitat. It raises questions about the role of these organisms in the geological dynamics of coastal carbonates, including coral reefs. PMID- 29222098 TI - Occurrence, Persistence, and Contamination Routes of Listeria monocytogenes Genotypes on Three Finnish Dairy Cattle Farms: a Longitudinal Study. AB - The molecular epidemiology of Listeria monocytogenes was investigated in a longitudinal study of three Finnish dairy farms during 2013 to 2016. A total of 186 bulk tank milk (BTM), 224 milk filter sock (MFS), and 1,702 barn environment samples were analyzed, and isolates of L. monocytogenes were genotyped using pulsed-field gel electrophoresis. L. monocytogenes occurred throughout the year in all sample types, and the prevalence in MFS increased significantly during the indoor season. L. monocytogenes was more prevalent in MFS (29%) than in BTM (13%) samples. However, the prevalence of L. monocytogenes varied more between farms in samples of MFS (13 to 48%) than in BTM (10 to 16%). For each farm, the L. monocytogenes genotypes detected were classified by persistence (defined as persistent if isolated from >=3 samples during >=6 months) and predominance (defined as predominant if >5% prevalence on at least one farm visit). The prevalence of sporadic genotypes was 4 to 5% on all three farms. In contrast, the prevalence of persistent predominant genotypes varied between farms by 4% to 16%. The highest prevalence of persistent predominant genotypes was observed on the farm with the poorest production hygiene. Persistent predominant genotypes were most prevalent on feeding surfaces, water troughs, and floors. Genotypes isolated from the milking system or from cow udders had a greater relative risk of occurring in BTM and MFS than genotypes that only occurred elsewhere in the farm, supporting the hypothesis that L. monocytogenes is transmitted to milk from contamination on the udder surface or in the milking equipment.IMPORTANCEListeria monocytogenes is a ubiquitous environmental bacterium and the causative agent of a serious foodborne illness, listeriosis. Dairy products are common vehicles of listeriosis, and dairy cattle farms harbor L. monocytogenes genotypes associated with human listeriosis outbreaks. Indeed, dairy cattle farms act as a reservoir of L. monocytogenes, and the organism is frequently detected in bulk tank milk (BTM) and in the feces of clinically healthy cows. The ecology of L. monocytogenes in the farm environment is complex and poorly understood. Isolates of the same L. monocytogenes genotype can occur in the farm for years, but the factors contributing to the persistence of genotypes on dairy farms are unknown. Knowledge of the persistence patterns and contamination routes of L. monocytogenes on dairy farms can improve management of the contamination pressure in the farm environment and aid in the development of focused control strategies to reduce BTM contamination. PMID- 29222099 TI - Isolation of the (+)-Pinoresinol-Mineralizing Pseudomonas sp. Strain SG-MS2 and Elucidation of Its Catabolic Pathway. AB - Pinoresinol is a dimer of two beta-beta'-linked coniferyl alcohol molecules. It is both a plant defense molecule synthesized through the shikimic acid pathway and a representative of several beta-beta-linked dimers produced during the microbial degradation of lignin in dead plant material. Until now, little has been known about the bacterial catabolism of such dimers. Here we report the isolation of the efficient (+)-pinoresinol-mineralizing Pseudomonas sp. strain SG MS2 and its catabolic pathway. Degradation of pinoresinol in this strain is inducible and proceeds via a novel oxidative route, which is in contrast to the previously reported reductive transformation by other bacteria. Based on enzyme assays and bacterial growth, cell suspension, and resting cell studies, we provide conclusive evidence that pinoresinol degradation in strain SG-MS2 is initiated by benzylic hydroxylation, generating a hemiketal via a quinone methide intermediate, which is then hydrated at the benzylic carbon by water. The hemiketal, which stays in equilibrium with the corresponding keto alcohol, undergoes an aryl-alkyl cleavage to generate a lactone and 2-methoxyhydroquinone. While the fate of 2-methoxyhydroquinone is not investigated further, it is assumed to be assimilated by ring cleavage. The lactone is further metabolized via two routes, namely, lactone ring cleavage and benzylic hydroxylation via a quinone methide intermediate, as described above. The resulting hemiketal again exists in equilibrium with a keto alcohol. Our evidence suggests that both routes of lactone metabolism lead to vanillin and vanillic acid, which we show can then be mineralized by strain SG-MS2.IMPORTANCE The oxidative catabolism of (+) pinoresinol degradation elucidated here is fundamentally different from the reductive cometabolism reported for two previously characterized bacteria. Our findings open up new opportunities to use lignin for the biosynthesis of vanillin, a key flavoring agent in foods, beverages, and pharmaceuticals, as well as various new lactones. Our work also has implications for the study of new pinoresinol metabolites in human health. The enterodiol and enterolactone produced through reductive transformation of pinoresinol by gut microbes have already been associated with decreased risks of cancer and cardiovascular diseases. The metabolites from oxidative metabolism we find here also deserve attention in this respect. PMID- 29222101 TI - Divergence in gene regulation contributes to sympatric speciation of Shewanella baltica strains. AB - Niche partitioning and sequence evolution drive genomic and phenotypic divergence, which ultimately leads to bacterial diversification. This study investigated genomic composition of two Shewanella baltica clades previously identified through multi-locus sequencing typing and recovered from the redox transition zone in the central Baltic Sea. Comparative genomic analysis revealed significantly higher inter- than intra-clade genomic dissimilarity, and that a subset of genes present in Clade A were associated with potential adaptation to respiration of sulfur compounds present in the redox-transition zone. Transcriptomic divergence between two representative strains of Clades A and D, OS185 and OS195, was also characterized and revealed marked regulatory differences. We found that both transcriptional divergence of shared genes and expression of strain-specific genes lead to differences in regulatory patterns between strains that correlate with environmental redox niches. For instance, under anoxic conditions of respiratory nitrate ammonification, OS185 - the strain isolated from nitrate-rich environment, upregulated nearly twice the number of shared genes compared to OS195 - the strain isolated from H2S-containing anoxic environment. Conversely, OS195 showed stronger induction of strain-specific genes, especially those associated with sulfur compound respiration, under thiosulfate-reducing conditions. A positive association between the level of transcriptional divergence and sequence divergence for shared genes was also noted. Our results provide further support for the hypothesis that genomic changes impacting transcriptional regulation play an important role in the diversification of ecologically distinct populations.Importance This study examined potential mechanisms through which co-occurring Shewanella baltica strains diversified to form ecologically distinct populations. At the time of isolation, the strains studied composed the major fraction of culturable nitrate reducing communities in the Baltica Sea. Analysis of genomic content of 13 S. baltica strains from two clades representing different ecotypes demonstrated that one clade specifically possesses a number of genes that could favor successful adaptation to respire sulfur compounds in the portion of the water column from which these strains were isolated. In addition, transcriptional profiling of fully-sequenced strains representative of these two clades, OS185 and OS195, under oxygen-, nitrate- and thiosulfate-respiring conditions demonstrated that the strains exhibit relatively similar transcriptional responses during aerobic growth, but more distinct transcriptional responses under nitrate and thiosulfate respiring conditions. Results from this study provide insights into how genomic and gene regulatory diversification together impacted the redox specialization of the S. baltica strains. PMID- 29222100 TI - Lactococcus lactis Diversity in Undefined Mixed Dairy Starter Cultures as Revealed by Comparative Genome Analyses and Targeted Amplicon Sequencing of epsD. AB - Undefined mesophilic mixed (DL) starter cultures are used in the production of continental cheeses and contain unknown strain mixtures of Lactococcus lactis and leuconostocs. The choice of starter culture affects the taste, aroma, and quality of the final product. To gain insight into the diversity of Lactococcus lactis strains in starter cultures, we whole-genome sequenced 95 isolates from three different starter cultures. Pan-genomic analyses, which included 30 publically available complete genomes, grouped the strains into 21 L. lactis subsp. lactis and 28 L. lactis subsp. cremoris lineages. Only one of the 95 isolates grouped with previously sequenced strains, and the three starter cultures showed no overlap in lineage distributions. The culture diversity was assessed by targeted amplicon sequencing using purR, a core gene, and epsD, present in 93 of the 95 starter culture isolates but absent in most of the reference strains. This enabled an unprecedented discrimination of starter culture Lactococcus lactis and revealed substantial differences between the three starter cultures and compositional shifts during the cultivation of cultures in milk.IMPORTANCE In contemporary cheese production, standardized frozen seed stock starter cultures are used to ensure production stability, reproducibility, and quality control of the product. The dairy industry experiences significant disruptions of cheese production due to phage attacks, and one commonly used countermeasure to phage attack is to employ a starter rotation strategy, in which two or more starters with minimal overlap in phage sensitivity are used alternately. A culture independent analysis of the lactococcal diversity in complex undefined starter cultures revealed large differences between the three starter cultures and temporal shifts in lactococcal composition during the production of bulk starters. A better understanding of the lactococcal diversity in starter cultures will enable the development of more robust starter cultures and assist in maintaining the efficiency and stability of the production process by ensuring the presence of key bacteria that are important to the characteristics of the product. PMID- 29222102 TI - Tracking the Taxonomy of the Genus Bifidobacterium Based on a Phylogenomic Approach. AB - For decades, bacterial taxonomy has been based on in vitro molecular biology techniques and comparison of molecular marker sequences to measure the degree of genetic similarity and deduce phylogenetic relatedness of novel bacterial species to reference microbial taxa. Due to the advent of the genomic era, access to complete bacterial genome contents has become easier, thereby presenting the opportunity to precisely investigate the overall genetic diversity of microorganisms. Here, we describe a high-accuracy phylogenomic approach to assess the taxonomy of members of the genus Bifidobacterium and identify apparent misclassifications in current bifidobacterial taxonomy. The developed method was validated by the classification of seven novel taxa belonging to the genus Bifidobacterium by employing their overall genetic content. The results of this study demonstrate the potential of this whole-genome approach to become the gold standard for phylogenomics-based taxonomic classification of bacteria.IMPORTANCE Nowadays, next-generation sequencing has given access to genome sequences of the currently known bacterial taxa. The public databases constructed by means of these new technologies allowed comparison of genome sequences between microorganisms, providing information to perform genomic, phylogenomic, and evolutionary analyses. In order to avoid misclassifications in the taxonomy of novel bacterial isolates, new (bifido)bacterial taxons should be validated with a phylogenomic assessment like the approach presented here. PMID- 29222103 TI - A Novel Nonantibiotic, lgt-Based Selection System for Stable Maintenance of Expression Vectors in Escherichia coli and Vibrio cholerae. AB - Antibiotic selection for the maintenance of expression plasmids is discouraged in the production of recombinant proteins for pharmaceutical or other human uses due to the risks of antibiotic residue contamination of the final products and the release of DNA encoding antibiotic resistance into the environment. We describe the construction of expression plasmids that are instead maintained by complementation of the lgt gene encoding a (pro)lipoprotein glyceryl transferase essential for the biosynthesis of bacterial lipoprotein. Mutations in lgt are lethal in Escherichia coli and other Gram-negative organisms. The lgt gene was deleted from E. coli and complemented by the Vibrio cholerae-derived gene provided in trans on a temperature-sensitive plasmid, allowing cells to grow at 30 degrees C but not at 37 degrees C. A temperature-insensitive expression vector carrying the V. cholerae-derived lgt gene was constructed, whereby transformants were selected by growth at 39 degrees C. The vector was successfully used to express two recombinant proteins, one soluble and one forming insoluble inclusion bodies. Reciprocal construction was done by deleting the lgt gene from V. cholerae and complementing the lesion with the corresponding gene from E. coli The resulting strain was used to produce the secreted recombinant cholera toxin B subunit (CTB) protein, a component of licensed as well as newly developed oral cholera vaccines. Overall, the lgt system described here confers extreme stability on expression plasmids, and this strategy can be easily transferred to other Gram-negative species using the E. coli-derived lgt gene for complementation.IMPORTANCE Many recombinant proteins are produced in bacteria from genes carried on autonomously replicating DNA elements called plasmids. These plasmids are usually inherently unstable and rapidly lost. This can be prevented by using genes encoding antibiotic resistance. Plasmids are thus maintained by allowing only plasmid-containing cells to survive when the bacteria are grown in medium supplemented with antibiotics. In the described antibiotic free system for the production of recombinant proteins, an essential gene is deleted from the bacterial chromosome and instead provided on a plasmid. The loss of the plasmid becomes lethal for the bacteria. Such plasmids can be used for the expression of recombinant proteins. This broadly applicable system removes the need for antibiotics in recombinant protein production, thereby contributing to reducing the spread of genes encoding antibiotic resistance, reducing the release of antibiotics into the environment, and freeing the final products (often used in pharmaceuticals) from contamination with potentially harmful antibiotic residues. PMID- 29222104 TI - Effect of Start-Up Strategies and Electrode Materials on Carbon Dioxide Reduction on Biocathodes. AB - The enrichment of CO2-reducing microbial biocathodes is challenging. Previous research has shown that a promising approach could be to first enrich bioanodes and then lower the potential so the electrodes are converted into biocathodes. However, the effect of such a transition on the microbial community on the electrode has not been studied. The goal of this study was thus to compare the start-up of biocathodes from preenriched anodes with direct start-up from bare electrodes and to investigate changes in microbial community composition. The effect of three electrode materials on the long-term performance of the biocathodes was also investigated. In this study, preenrichment of acetate oxidizing bioanodes did not facilitate the start-up of biocathodes. It took about 170 days for the preenriched electrodes to generate substantial cathodic current, compared to 83 days for the bare electrodes. Graphite foil and carbon felt cathodes produced higher current at the beginning of the experiment than did graphite rods. However, all electrodes produced similar current densities at the end of the over 1-year-long study (2.5 A/m2). Methane was the only product detected during operation of the biocathodes. Acetate was the only product detected after inhibition of the methanogens. Microbial community analysis showed that Geobacter sp. dominated the bioanodes. On the biocathodes, the Geobacter sp. was succeeded by Methanobacterium spp., which made up more than 80% of the population. After inhibition of the methanogens, Acetobacterium sp. became dominant on the electrodes (40% relative abundance). The results suggested that bioelectrochemically generated H2 acted as an electron donor for CO2 reduction.IMPORTANCE In microbial electrochemical systems, living microorganisms function as catalysts for reactions on the anode and/or the cathode. There is a variety of potential applications, ranging from wastewater treatment and biogas generation to production of chemicals. Systems with biocathodes could be used to reduce CO2 to methane, acetate, or other high-value chemicals. The technique can be used to convert solar energy to chemicals. However, enriching biocathodes that are capable of CO2 reduction is more difficult and less studied than enriching bioanodes. The effect of different start-up strategies and electrode materials on the microbial communities that are enriched on biocathodes has not been studied. The purpose of this study was to investigate two different start-up strategies and three different electrode materials for start-up and long-term operation of biocathodes capable of reducing CO2 to valuable biochemicals. PMID- 29222105 TI - The Emergency Medical Service Microbiome. AB - Emergency medical services (EMS) personnel are an integral component of the healthcare framework and function to transport patients from various locations to and between care facilities. In addition to physical injury, EMS personnel are expected to be at high risk to acquire and transmit healthcare associated infections (HAIs) in the workplace. However, currently little is known about EMS biosafety risk factors and the epidemiological contribution of EMS to pathogen transmission within and outside of the healthcare sector. Our review summarizes literature surrounding pathogen prevalence and decontamination strategies in EMS as a basis for understanding biosafety risks in the EMS environment. We conclude that additional studies are needed to investigate pathogen prevalence worldwide and create evidence-based guidelines for decontamination. Finally, we discuss emerging DNA sequencing technologies and other methods that can be applied to characterize and mitigate EMS biosafety risks in the future.ImportanceHealthcare facility microbiomes contain diverse bacterial, fungal and viral pathogens that cause over 1.7 million healthcare-associated infections (HAIs) each year in the United States alone. While hospital microbiomes have been relatively well studied, little is known about emergency medical services (EMS) infrastructure and equipment microbiomes or the role(s) they play in HAI transmission between healthcare facilities. We review recent literature investigating the microbiome of ambulances and other EMS service facilities which consistently identify antibiotic-resistant pathogens causing HAIs, including methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus, and Klebsiella pneumoniae Our review provides evidence that EMS microbiomes are dynamic but important pathogen reservoirs and underscores the need for more wide-spread and in-depth microbiome studies to elucidate patterns of pathogen transmission. Understanding the complex interplay between EMS and hospital microbiomes will provide key insights into pathogen transmission mechanisms and identify strategies to minimize HAIs and community infection. PMID- 29222106 TI - PSMA brings new flavors to PI3K signaling: A role for glutamate in prostate cancer. AB - In this issue of JEM, Kaittanis et al. (https://doi.org/10.1084/jem.20171052) report a new signaling role for prostate-specific membrane antigen (PSMA), providing a mechanistic link between two major oncogenic pathways, as well as promising therapeutic implications for the diagnosis and treatment of prostate cancer. PMID- 29222108 TI - Illicit cigarette sales in Indian cities: findings from a retail survey. AB - OBJECTIVE: To estimate illicit cigarette consumption in India using a modified and replicable method and compare it with estimates generated by the tobacco industry and by a commercial entity. METHODS: The study employed a modified approach to cigarette pack analysis suitable for countries with prevalent single cigarette sales. Empty cigarette packs generated by 1 day's single-cigarette sales were collected directly from cigarette vendors in four large and four small cities covering the length and breadth of India. Ten areas were randomly selected in each city/town, and all shops selling cigarettes within 1 km of the central point were surveyed. A cigarette pack was classified as illicit if it had at least one of the following attributes: (a) a duty-free sign; (b) no graphic health warnings; (c) no textual health warnings; or (d) no mention of 'price inclusive of all taxes' or similar text. FINDINGS: We collected 11 063 empty cigarette packs from 1727 retailers, and 2.73% of them were classified as illicit. The estimates varied substantially across locations with the highest prevalence of illicit packs in the town of Aizawl near the Bangladesh and Myanmar border (35.87%). The share of illicit cigarettes was found to be much higher (13.77%) among the cheapest cigarette brands. Illicit cigarettes are primarily distributed via formal stores rather than informal tea/pan shops. CONCLUSION: Our estimate of the illicit cigarette market share of 2.73% casts serious doubt on the tobacco industry estimate of 20% and Euromonitor's estimate of 21.3%. PMID- 29222107 TI - IL-33 promotes the egress of group 2 innate lymphoid cells from the bone marrow. AB - Group 2 innate lymphoid cells (ILC2s) are effector cells within the mucosa and key participants in type 2 immune responses in the context of allergic inflammation and infection. ILC2s develop in the bone marrow from common lymphoid progenitor cells, but little is known about how ILC2s egress from the bone marrow for hematogenous trafficking. In this study, we identified a critical role for IL 33, a hallmark peripheral ILC2-activating cytokine, in promoting the egress of ILC2 lineage cells from the bone marrow. Mice lacking IL-33 signaling had normal development of ILC2s but retained significantly more ILC2 progenitors in the bone marrow via augmented expression of CXCR4. Intravenous injection of IL-33 or pulmonary fungal allergen challenge mobilized ILC2 progenitors to exit the bone marrow. Finally, IL-33 enhanced ILC2 trafficking to the lungs in a parabiosis mouse model of tissue disruption and repopulation. Collectively, these data demonstrate that IL-33 plays a critical role in promoting ILC2 egress from the bone marrow. PMID- 29222109 TI - MARCKS-related protein regulates cytoskeletal organization at cell-cell and cell substrate contacts in epithelial cells. AB - Treatment of epithelial cells with interferon-gamma and TNF-alpha (IFN/TNF) results in increased paracellular permeability. To identify relevant proteins mediating barrier disruption, we performed proximity-dependent biotinylation (BioID) of occludin and found that tagging of MARCKS-related protein (MRP; also known as MARCKSL1) increased ~20-fold following IFN/TNF administration. GFP-MRP was focused at the lateral cell membrane and its overexpression potentiated the physiological response of the tight junction barrier to cytokines. However, deletion of MRP did not abrogate the cytokine responses, suggesting that MRP is not required in the occludin-dependent IFN/TNF response. Instead, our results reveal a key role for MRP in epithelial cells in control of multiple actin-based structures, likely by regulation of integrin signaling. Changes in focal adhesion organization and basal actin stress fibers in MRP-knockout (KO) cells were reminiscent of those seen in FAK-KO cells. In addition, we found alterations in cell-cell interactions in MRP-KO cells associated with increased junctional tension, suggesting that MRP may play a role in focal adhesion-adherens junction cross talk. Together, our results are consistent with a key role for MRP in cytoskeletal organization of cell contacts in epithelial cells. PMID- 29222110 TI - A CK1 FRET biosensor reveals that DDX3X is an essential activator of CK1epsilon. AB - Casein kinase 1 (CK1) plays central roles in various signal transduction pathways and performs many cellular activities. For many years CK1 was thought to act independently of modulatory subunits and in a constitutive manner. Recently, DEAD box RNA helicases, in particular DEAD box RNA helicase 3 X-linked (DDX3X), were found to stimulate CK1 activity in vitro In order to observe CK1 activity in living cells and to study its interaction with DDX3X, we developed a CK1-specific FRET biosensor. This tool revealed that DDX3X is indeed required for full CK1 activity in living cells. Two counteracting mechanisms control the activity of these enzymes. Phosphorylation by CK1 impairs the ATPase activity of DDX3X and RNA destabilizes the DDX3X-CK1 complex. We identified possible sites of interaction between DDX3X and CK1. While mutations identified in the DDX3X genes of human medulloblastoma patients can enhance CK1 activity in living cells, the mechanism of CK1 activation by DDX3X points to a possible therapeutic approach in CK1-related diseases such as those caused by tumors driven by aberrant Wnt/beta catenin and Sonic hedgehog (SHH) activation. Indeed, CK1 peptides can reduce CK1 activity. PMID- 29222112 TI - Rheb localized on the Golgi membrane activates lysosome-localized mTORC1 at the Golgi-lysosome contact site. AB - In response to amino acid supply, mTORC1, a master regulator of cell growth, is recruited to the lysosome and activated by the small GTPase Rheb. However, the intracellular localization of Rheb is controversial. In this study, we showed that a significant portion of Rheb is localized on the Golgi but not on the lysosome. GFP-Rheb could activate mTORC1, even when forced to exclusively localize to the Golgi. Likewise, artificial recruitment of mTORC1 to the Golgi allowed its activation. Accordingly, the Golgi was in contact with the lysosome at an newly discovered area of the cell that we term the Golgi-lysosome contact site (GLCS). The number of GLCSs increased in response to amino acid supply, whereas GLCS perturbation suppressed mTORC1 activation. These results suggest that inter-organelle communication between the Golgi and lysosome is important for mTORC1 regulation and the Golgi-localized Rheb may activate mTORC1 at GLCSs. PMID- 29222111 TI - Rap1B promotes VEGF-induced endothelial permeability and is required for dynamic regulation of the endothelial barrier. AB - Vascular endothelial growth factor (VEGF), a key angiogenic and permeability factor, plays an important role in new blood vessel formation. However, abnormal VEGF-induced VEGFR2 signaling leads to hyperpermeability. We have shown previously that Rap1, best known for promoting cell adhesion and vessel stability, is a critical regulator of VEGFR2-mediated angiogenic and shear-stress EC responses. To determine the role of Rap1 role in endothelial barrier dynamics, we examined vascular permeability in EC-specific Rap1A- and Rap1B-knockout mice, cell-cell junction remodeling and EC monolayer resistivity in Rap1-deficient ECs under basal, inflammatory or elevated VEGF conditions. Deletion of either Rap1 isoform impaired de novo adherens junction (AJ) formation and recovery from LPS induced barrier disruption in vivo However, only Rap1A deficiency increased permeability in ECs and lung vessels. Interestingly, Rap1B deficiency attenuated VEGF-induced permeability in vivo and AJ remodeling in vitro Therefore, only Rap1A is required for the maintenance of normal vascular integrity. Importantly, Rap1B is the primary isoform essential for normal VEGF-induced EC barrier dissolution. Deletion of either Rap1 isoform protected against hyper permeability in the STZ-induced diabetes model, suggesting clinical implications for targeting Rap1 in pathologies with VEGF-induced hyperpermeability. PMID- 29222113 TI - The tail domain of the Aspergillus fumigatus class V myosin MyoE orchestrates septal localization and hyphal growth. AB - Myosins are critical motor proteins that contribute to the secretory pathway, polarized growth, and cytokinesis. The globular tail domains of class V myosins have been shown to be important for cargo binding and actin cable organization. Additionally, phosphorylation plays a role in class V myosin cargo choice. Our previous studies on the class V myosin MyoE in the fungal pathogen Aspergillus fumigatus confirmed its requirement for normal morphology and virulence. However, the domains and molecular mechanisms governing the functions of MyoE remain unknown. Here, by analyzing tail mutants, we demonstrate that the tail is required for radial growth, conidiation, septation frequency and MyoE's location at the septum. Furthermore, MyoE is phosphorylated at multiple residues in vivo; however, alanine substitution mutants revealed that no single phosphorylated residue was critical. Importantly, in the absence of the phosphatase calcineurin, an additional residue was phosphorylated in its tail domain. Mutation of this tail residue led to mislocalization of MyoE from the septa. This work reveals the importance of the MyoE tail domain and its phosphorylation/dephosphorylation in the growth and morphology of A. fumigatus. PMID- 29222115 TI - The methyltransferase SET9 regulates TGFB1 activation of renal fibroblasts via interaction with SMAD3. AB - Chronic kidney disease (CKD) is a global socioeconomic problem. It is characterised by the presence of differentiated myofibroblasts, which cause tissue fibrosis in response to TGFB1, leading to renal failure. Here, we define a novel interaction between the SET9 lysine methyltransferase (also known as SETD7) and SMAD3, the principal mediator of TGFB1 signalling in myofibroblasts. We show that SET9-deficient fibroblasts exhibit globally altered gene expression profiles in response to TGFB1, whilst overexpression of SET9 enhances SMAD3 transcriptional activity. We also show that SET9 facilitates nuclear import of SMAD3 and controls SMAD3 protein degradation via ubiquitylation. On a cellular level, we demonstrate that SET9 is broadly required for the effects of TGFB1 in diseased primary renal fibroblasts; SET9 promotes fibroblast migration into wounds, expression of extracellular matrix proteins, collagen contractility and myofibroblast differentiation. Finally, we demonstrate that SET9 is recruited to the alpha-smooth muscle actin gene in response to TGFB1, providing a mechanism by which SET9 regulates myofibroblast contractility and differentiation. Together with previous studies, we make the case for SET9 inhibition in the treatment of progressive CKD. PMID- 29222114 TI - Blood vitronectin is a major activator of LIF and IL-6 in the brain through integrin-FAK and uPAR signaling. AB - We defined how blood-derived vitronectin (VTN) rapidly and potently activates leukemia inhibitory factor (LIF) and pro-inflammatory interleukin 6 (IL-6) in vitro and after vascular injury in the brain. Treatment with VTN (but not fibrinogen, fibronectin, laminin-111 or collagen-I) substantially increased LIF and IL-6 within 4 h in C6-astroglioma cells, while VTN-/- mouse plasma was less effective than that from wild-type mice. LIF and IL-6 were induced by intracerebral injection of recombinant human (rh)VTN in mice, but induction seen upon intracerebral hemorrhage was less in VTN-/- mice than in wild-type littermates. In vitro, VTN effects were inhibited by RGD, alphavbeta3 and alphavbeta5 integrin-blocking peptides and antibodies. VTN activated focal adhesion kinase (FAK; also known as PTK2), whereas pharmacological- or siRNA mediated inhibition of FAK, but not PYK2, reduced the expression of LIF and IL-6 in C6 and endothelial cells and after traumatic cell injury. Dominant-negative FAK (Y397F) reduced the amount of injury-induced LIF and IL-6. Pharmacological inhibition or knockdown of uPAR (also known as PLAUR), which binds VTN, also reduced cytokine expression, possibly through a common target of uPAR and integrins. We propose that VTN leakage into tissues promotes inflammation. Integrin-FAK signaling is therefore a novel IL-6 and LIF regulation mechanism relevant to the inflammation and stem cell fields. PMID- 29222116 TI - Our views of dynamic N6-methyladenosine RNA methylation. PMID- 29222117 TI - Pre-mRNA processing includes N6 methylation of adenosine residues that are retained in mRNA exons and the fallacy of "RNA epigenetics". AB - By using a cell fraction technique that separates chromatin-associated nascent RNA, newly completed nucleoplasmic mRNA and cytoplasmic mRNA, we have shown in a previous study that residues in exons are methylated (m6A) in nascent pre-mRNA and remain methylated in the same exonic residues in nucleoplasmic and cytoplasmic mRNA. Thus, there is no evidence of a substantial degree of demethylation in mRNA exons that would correspond to so-called "epigenetic" demethylation. The turnover rate of mRNA molecules is faster, depending on m6A content in HeLa cell mRNA, suggesting that specification of mRNA stability may be the major role of m6A exon modification. In mouse embryonic stem cells (mESCs) lacking Mettl3, the major mRNA methylase, the cells continue to grow, making the same mRNAs with unchanged splicing profiles in the absence (>90%) of m6A in mRNA, suggesting no common obligatory role of m6A in splicing. All these data argue strongly against a commonly used "reversible dynamic methylation/demethylation" of mRNA, calling into question the concept of "RNA epigenetics" that parallels the well-established role of dynamic DNA epigenetics. PMID- 29222120 TI - Targeting Cardiovascular Implant Infection: Multimodality and Molecular Imaging. AB - Owing to their success in clinical practice, the prevalence of cardiovascular implants is continuously increasing. Implant infection is a relevant complication but remains a diagnostic challenge because echocardiography as a first-line test may be limited. Accordingly, a multimodality approach is increasingly used for diagnostic workup and supported by recent guidelines. As reviewed here, computed tomography and nuclear imaging provide incremental diagnostic value and may be combined in a single hybrid imaging session using positron emission tomography/computed tomography or single photon emission computed tomography/computed tomography. Molecular or cellular imaging helps to overcome the limitations of morphological imaging in implants. Larger-scale clinical studies, earlier application in the time course of diagnosis, monitoring of therapy success, technical advances, and novel radiopharmaceuticals will all contribute to sustained growth of advanced infection-targeted imaging in cardiovascular medicine. PMID- 29222118 TI - Purine- and pyrimidine-triple-helix-forming oligonucleotides recognize qualitatively different target sites at the ribosomal DNA locus. AB - Triplexes are noncanonical DNA structures, which are functionally associated with regulation of gene expression through ncRNA targeting to chromatin. Based on the rules of Hoogsteen base-pairing, polypurine sequences of a duplex can potentially form triplex structures with single-stranded oligonucleotides. Prediction of triplex-forming sequences by bioinformatics analyses have revealed enrichment of potential triplex targeting sites (TTS) at regulatory elements, mainly in promoters and enhancers, suggesting a potential function of RNA-DNA triplexes in transcriptional regulation. Here, we have quantitatively evaluated the potential of different sequences of human and mouse ribosomal RNA genes (rDNA) to form triplexes at different salt and pH conditions. We show by biochemical and biophysical approaches that some of these predicted sequences form triplexes with high affinity, following the canonical rules for triplex formation. We further show that RNA triplex-forming oligos (TFOs) are more stable than their DNA counterpart, and point mutations strongly affect triplex formation. We further show differential sequence requirements of pyrimidine and purine TFO sequences for efficient binding, depending on the G-C content of the TTS. The unexpected sequence specificity, revealing distinct sequence requirements for purine and pyrimidine TFOs, shows that in addition to the Hoogsteen pairing rules, a sequence code and mutations have to be taken into account to predict genomic TTS. PMID- 29222121 TI - Postoperative Reverse Remodeling and Symptomatic Improvement in Normal-Flow Low Gradient Aortic Stenosis After Aortic Valve Replacement. AB - BACKGROUND: Severe aortic stenosis (AS) most often presents with reduced aortic valve area (<1 cm2), normal stroke volume index (>=35 mL/m2), and either high mean gradient (>=40 mm Hg; normal-flow high-gradient AS) or low mean gradient (normal-flow low-gradient [NFLG] AS). The benefit of aortic valve replacement (AVR) among NFLG patients is controversial. We compared the impact of NFLG condition on preoperative left ventricular (LV) remodeling and myocardial fibrosis and postoperative remodeling and symptomatic benefit. METHODS AND RESULTS: Eighty-seven consecutive patients with reduced aortic valve area and normal stroke volume index undergoing AVR underwent echocardiography, magnetic resonance imaging, a 6-minute walk test, and measurement of natriuretic peptides before and 1 year after AVR. Myocardial fibrosis was assessed from magnetic resonance imaging. Patients were stratified as NFLG or normal-flow high-gradient. In total, 33 patients (38%) had NFLG. Before AVR, they were characterized by similar symptom burden but less severe AS measured by aortic valve area index (0.50+/-0.09 versus 0.40+/-0.08 cm2/m2; P<0.0001), lower LV mass index (74+/-18 versus 90+/-26 g/m2; P=0.01), but the same degree of myocardial fibrosis. After AVR, NFLG had a smaller reduction in LV mass index (-3+/-10 versus -+/-18 g/m2; P<0.0001) and a smaller reduction in natriuretic peptides. Both groups experienced similar symptomatic improvement. Normal-flow high-gradient condition independently predicted change in LV mass index. CONCLUSIONS: Patients with NFLG had less severe AS and LV remodeling than patients with normal-flow high gradient. Furthermore, NFLG patients experienced less reverse remodeling but the same symptomatic benefit. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique identifier: NCT02316587. PMID- 29222123 TI - Abdominal Aorta Dilatation and Cardiovascular Outcomes: Another Dimension of Arterial Age? PMID- 29222122 TI - Increased Aortic Diameters on Multidetector Computed Tomographic Scan Are Independent Predictors of Incident Adverse Cardiovascular Events: The Framingham Heart Study. AB - BACKGROUND: Adverse aortic remodeling, such as dilation, is associated with multiple cardiovascular disease (CVD) risk factors. We sought to determine whether measures of enlarged aortic diameters improve prediction of incident adverse CVD events above standard CVD risk factors in a community-dwelling cohort. METHODS AND RESULTS: Participants from the Framingham Offspring and Third Generation Cohorts (n=3318; aged 48.9+/-10.3 years), who underwent noncontrast thoracic and abdominal multidetector computed tomography during 2002 to 2005, had complete risk factor profiles, and were free of clinical CVD, were included in this study. Diameters were measured at 4 anatomically defined locations: the ascending thoracic aorta, descending thoracic aorta, the infrarenal abdominal aorta, and lower abdominal aorta. Adverse events comprised CVD death, myocardial infarction, coronary insufficiency, index admission for heart failure, and stroke. Each aortic segment was dichotomized as enlarged (diameter >=upper 90th percentile for age, sex, and body surface area) or not enlarged; the hazard of an adverse event for an enlarged segment was determined using multivariable-adjusted Cox proportional hazards models. Over a mean 8.8+/-2.0 years of follow-up, there were 177 incident adverse CVD events. In models adjusted for traditional CVD risk factors, enlarged infrarenal abdominal aorta (hazard ratio=1.57; 95% confidence interval=1.06 to 2.32) and lower abdominal aorta (hazard ratio=1.53; 95% confidence interval=1.00 to 2.34) were associated with an increased hazard of CVD events. Enlarged ascending thoracic aorta and descending thoracic aorta were not significantly associated with CVD events. CONCLUSIONS: Among community-dwelling adults initially free of clinical CVD, enlarged infrarenal abdominal aorta and lower abdominal aorta, on noncontrast multidetector computed tomography scans, are independent predictors of incident adverse CVD events above traditional risk factors alone. PMID- 29222124 TI - Assessment of Normal-Flow Aortic Stenosis: Delving Too Deep? PMID- 29222125 TI - GMC begins High Court appeal over suspension of paediatrician convicted of manslaughter. PMID- 29222126 TI - Autoimmune CRMP5 neuropathy phenotype and outcome defined from 105 cases. AB - OBJECTIVE: To establish the phenotype and clinical outcomes of collapsin response mediator protein-5 (CRMP5) autoimmune neuropathy in comparison with anti-neuronal nuclear antibody type 1 (ANNA1)-immunoglobulin G (IgG) neuropathy. METHODS: Patients with CRMP5-IgG and/or ANNA1-IgGs were identified in our service-line testing, and medical records were reviewed. RESULTS: One hundred five patients with CRMP5-IgG neuropathy (88% smokers; 69% having cancer, most commonly small cell lung cancer [75%]) were identified and compared to 51 patients with ANNA1 IgG neuropathy, 27 with coexisting CRMP5-IgG. Patients with CRMP5 had painful axonal polyradiculoneuropathy (65%), mostly asymmetric onset (84%), with neuropathy predating cancer diagnosis by 185 days (range 60-540 days). Most cases (79%) had moderate to severe neuropathic pain, all on neuropathic medications (median 2, range 1-4), opioids in 39%. Nerve biopsies (n = 2) showed microvascular inflammation with axonal degeneration. Compared to ANNA1 alone, CRMP5 neuropathy has a higher prevalence of pain (79% vs 46%, p = 0.008), asymmetric polyradiculoneuropathy (54% vs 12%, p < 0.001), and inflammatory spinal fluids (elevated CSF protein or nucleated cell count 92% vs 60%, p = 0.022). Cerebellar ataxia (21%), myelopathy (19%), and optic neuritis and/or retinitis (11%) were common neurologic accompaniments. CRMP5 cases had significant pain reduction by immunotherapy (p < 0.001). Specifically, high-dose corticosteroid administration was associated with improvement/stabilization in neuropathy impairment scores (p = 0.012) (Class IV). Patients with CRMP5 had better 5-year survival than patients with ANNA1 (67% vs 32%, p = 0.012). CONCLUSION: Painful axonal asymmetric polyradiculoneuropathy is established as the major CRMP5 autoimmune neuropathy presentation and is distinguishable from other paraneoplastic neuropathies, including by ANNA1 autoimmunity. Patients with this phenotype should be prompted for CRMP5-IgG testing to assist in early cancer diagnosis. PMID- 29222127 TI - Unilateral periodic pupillary constriction causing alternating anisocoria. PMID- 29222128 TI - Directionality of nose-emitted echolocation calls from bats without a nose leaf (Plecotus auritus). AB - All echolocating bats and whales measured to date emit a directional bio-sonar beam that affords them a number of advantages over an omni-directional beam, i.e. reduced clutter, increased source level and inherent directional information. In this study, we investigated the importance of directional sound emission for navigation through echolocation by measuring the sonar beam of brown long-eared bats, Plecotus auritusPlecotus auritus emits sound through the nostrils but has no external appendages to readily facilitate a directional sound emission as found in most nose emitters. The study shows that P. auritus, despite lacking an external focusing apparatus, emits a directional echolocation beam (directivity index=13 dB) and that the beam is more directional vertically (-6 dB angle at 22 deg) than horizontally (-6 dB angle at 35 deg). Using a simple numerical model, we found that the recorded emission pattern is achievable if P. auritus emits sound through the nostrils as well as the mouth. The study thus supports the hypothesis that a directional echolocation beam is important for perception through echolocation and we propose that animals with similarly non-directional emitter characteristics may facilitate a directional sound emission by emitting sound through both the nostrils and the mouth. PMID- 29222129 TI - Visual associative learning in wood ants. AB - Wood ants are a model system for studying visual learning and navigation. They can forage for food and navigate to their nests effectively by forming memories of visual features in their surrounding environment. Previous studies of freely behaving ants have revealed many of the behavioural strategies and environmental features necessary for successful navigation. However, little is known about the exact visual properties of the environment that animals learn or the neural mechanisms that allow them to achieve this. As a first step towards addressing this, we developed a classical conditioning paradigm for visual learning in harnessed wood ants that allows us to control precisely the learned visual cues. In this paradigm, ants are fixed and presented with a visual cue paired with an appetitive sugar reward. Using this paradigm, we found that visual cues learnt by wood ants through Pavlovian conditioning are retained for at least 1 h. Furthermore, we found that memory retention is dependent upon the ants' performance during training. Our study provides the first evidence that wood ants can form visual associative memories when restrained. This classical conditioning paradigm has the potential to permit detailed analysis of the dynamics of memory formation and retention, and the neural basis of learning in wood ants. PMID- 29222131 TI - Low-Dose Anthracycline and Risk of Heart Failure in a Pharmacokinetic Model of Human Myocardium Exposure: Analog Specificity and Role of Secondary Alcohol Metabolites. AB - Cumulative doses of doxorubicin and other antitumor anthracyclines may cause heart failure (HF). Cardiotoxicity is determined by cardiac exposure to anthracyclines and to more toxic secondary alcohol metabolites that are formed inside cardiomyocytes or diffuse from the bloodstream. Concerns exist that HF might be caused by cumulative anthracycline doses that were thought to be safe. Patients with gain-of-function polymorphism of carbonyl reductase 3 (CBR3), which converts anthracyclines to secondary alcohol metabolites, would be at a higher risk of HF. Recently, a pharmacokinetic model was developed that simulated clinical exposure of human myocardium to anthracyclines and incorporated simulations of CBR3 polymorphism. It was shown that HF risk could occur after lower doxorubicin doses than previously reported, particularly for patients with CBR3 polymorphism. In this study, we show that also daunorubicin and idarubicin, but not epirubicin, might cause HF after reportedly safe cumulative doses. CBR3 polymorphism increased HF risk from daunorubicin and idarubicin to a greater extent as compared with doxorubicin. This was caused by daunorubicin and idarubicin forming higher levels of toxic metabolites in human myocardium; moreover, daunorubicin and idarubicin metabolites diffused from plasma and accumulated in cardiac tissue, whereas doxorubicin metabolite did not. CBR3 polymorphism did not aggravate HF risk from epirubicin, which was caused by the very low levels of formation of its toxic metabolite. These results support concerns about HF risk from low-dose anthracycline, characterize the analog specificity of HF risk, and illuminate the role of secondary alcohol metabolites. PMID- 29222130 TI - Stargazin and cornichon-3 relieve polyamine block of AMPA receptors by enhancing blocker permeation. AB - Most ligand- and voltage-gated ion channels assemble as signaling complexes consisting of pore-forming and auxiliary subunits. In the mammalian brain, AMPA type ionotropic glutamate receptors (AMPARs) coassemble with several families of auxiliary subunits that regulate channel gating as well as ion channel block and permeation. Previous work has shown that auxiliary proteins stargazin (or gamma2) and cornichon-3 (CNIH-3) attenuate the cytoplasmic polyamine channel block of AMPARs, although the underlying mechanism has yet to be established. Here, we show that gamma2 and CNIH-3 relieve channel block by enhancing the rate of blocker permeation. Surprisingly, the relative permeability of the polyamine spermine (Spm) through the pore of the AMPAR-gamma2 or -CNIH-3 complexes is considerably more than AMPARs expressed alone. Spm permeability is comparable to that of Na+ for the GluA2-gamma2 complex and four times greater than Na+ with GluA2 + CNIH-3. A modified model of permeant channel block fully accounts for both the voltage- and time-dependent nature of Spm block. Estimates of block rate constants reveal that auxiliary subunits do not attenuate block by shifting the location of the block site within the membrane electric field, and they do not affect the blocker's ability to reach it. Instead, gamma2 and CNIH-3 relieve channel block by facilitating the blocker's exit rates from the open channel. From a physiological perspective, the relief of channel block exerted by gamma2 and CNIH-3 ensures that there is unfettered signaling by AMPARs at glutamatergic synapses. Moreover, the pronounced ability of AMPARs to transport polyamines may have an unexpected role in regulating cellular polyamine levels. PMID- 29222132 TI - Invasive Assessment of the Coronary Microvasculature: The Index of Microcirculatory Resistance. AB - Traditionally, invasive coronary physiological assessment has focused on the epicardial coronary artery. More recently, appreciation of the importance of the coronary microvasculature in determining patient outcomes has grown. Several invasive modalities for interrogating microvascular function have been proposed. Angiographic techniques have been limited by their qualitative and subjective nature. Doppler wire-derived coronary flow reserve has been applied in research studies, but its clinical role has been limited by its lack of reproducibility, its lack of a clear normal value, and the fact that it is not specific for the microvasculature but interrogates the entire coronary circulation. The index of microcirculatory resistance-a thermodilution-derived measure of the minimum achievable microvascular resistance-is relatively easy to measure, more reproducible, has a clearer normal value, and is independent of epicardial coronary artery stenosis. The index of microcirculatory resistance has been shown to have prognostic value in patients with ST-segment-elevation myocardial infarction and cardiac allograft vasculopathy after heart transplantation. Emerging data demonstrate its role in evaluating patients with chest pain and nonobstructive coronary artery disease. Increasingly, the index of microcirculatory resistance is used as a reference standard for invasively assessing the microvasculature in clinical trials. PMID- 29222133 TI - GDF-15 (Growth Differentiation Factor 15) Is Associated With Lack of Ventricular Recovery and Mortality After Transcatheter Aortic Valve Replacement. AB - BACKGROUND: Recent data suggest that circulating biomarkers may predict outcome in patients undergoing transcatheter aortic valve replacement (TAVR). We examined the association between inflammatory, myocardial, and renal biomarkers and their role in ventricular recovery and outcome after TAVR. METHODS AND RESULTS: A total of 112 subjects undergoing TAVR were included in the prospective registry. Plasma levels of B-type natriuretic peptide, hs-TnI (high-sensitivity troponin I), CRP (C-reactive protein), GDF-15 (growth differentiation factor 15), GAL-3 (galectin 3), and Cys-C (cystatin-C) were assessed before TAVR and in 100 sex-matched healthy controls. Among echocardiographic parameters, we measured global longitudinal strain, indexed left ventricular mass, and indexed left atrial volume. The TAVR group included 59% male, with an average age of 84 years, and 1 year mortality of 18%. Among biomarkers, we found GDF-15 and CRP to be strongly associated with all-cause mortality (P<0.001). Inclusion of GDF-15 and CRP to the Society of Thoracic Surgeons score significantly improved C index (0.65-0.79; P<0.05) and provided a category-free net reclassification improvement of 106% at 2 years (P=0.01). Among survivors, functional recovery in global longitudinal strain (>15% improvement) and indexed left ventricular mass (>20% decrease) at 1 year occurred in 48% and 22%, respectively. On multivariate logistic regression, lower baseline GDF-15 was associated with improved global longitudinal strain at 1 year (hazard ratio=0.29; P<0.001). Furthermore, improvement in global longitudinal strain at 1 month correlated with lower overall mortality (hazard ratio=0.45; P=0.03). CONCLUSIONS: Elevated GDF-15 correlates with lack of reverse remodeling and increased mortality after TAVR and improves risk prediction of mortality when added to the Society of Thoracic Surgeons score. PMID- 29222135 TI - Ambulatory versus inpatient management of severe nausea and vomiting of pregnancy: a randomised control trial with patient preference arm. AB - OBJECTIVE: To determine whether ambulatory (outpatient (OP)) treatment of severe nausea and vomiting of pregnancy (NVP) is as effective as inpatient (IP) care. DESIGN: Non-blinded randomised control trial (RCT) with patient preference arm. SETTING: Two multicentre teaching hospitals in London. PARTICIPANTS: Women less than 20 weeks' pregnant with severe NVP and associated ketonuria (>1+). METHODS: Women who agreed to the RCT were randomised via web-based application to either ambulatory or IP treatment. Women who declined randomisation underwent the treatment of their choice in the patient preference trial (PPT) arm. Treatment protocols, data collection and follow-up were the same for all participants. MAIN OUTCOME MEASURES: Primary outcome was reduction in Pregnancy Unique Quantification of Emesis (PUQE) score 48 hours after starting treatment. Secondary outcome measures were duration of treatment, improvement in symptom scores and ketonuria at 48 hours, reattendances within 7 days of discharge and comparison of symptoms at 7 days postdischarge. RESULTS: 152/174 eligible women agreed to participate with 77/152 (51%) recruited to the RCT and 75/152 (49%) to the PPT.Patients were initially compared in four groups (randomised IP, randomised OP, non-randomised IP and non-randomised OP). Comprehensive cohort analysis of participants in the randomised group (RCT) and non-randomised group (PPT) did not demonstrate any differences in patient demographics or baseline clinical characteristics. Pooled analysis of IP versus OP groups showed no difference in reduction in PUQE score at 48 hours (p=0.86). There was no difference in change in eating score (p=0.69), drinking score (p=0.77), well being rating (p=0.64) or reduction in ketonuria (p=0.47) at 48 hours, with no difference in duration of index treatment episode (p=0.83) or reattendances within 7 days (p=0.52). CONCLUSIONS: Ambulatory management is an effective direct alternative to IP management of severe NVP. The trial also demonstrated that many women requiring treatment for severe NVP have strong preferences regarding treatment setting, which may need to be considered by care providers, especially given the psychological impact of severe NVP. TRIAL REGISTRATION NUMBER: http://www.isrctn.com/ISRCTN24659467 (March 2014). PMID- 29222134 TI - Workplace violence, psychological stress, sleep quality and subjective health in Chinese doctors: a large cross-sectional study. AB - BACKGROUND: Workplace violence (WPV) against healthcare workers is known as violence in healthcare settings and referring to the violent acts that are directed towards doctors, nurses or other healthcare staff at work or on duty. Moreover, WPV can cause a large number of adverse outcomes. However, there is not enough evidence to test the link between exposure to WPV against doctors, psychological stress, sleep quality and health status in China. OBJECTIVES: This study had three objectives: (1) to identify the incidence rate of WPV against doctors under a new classification, (2) to examine the association between exposure to WPV, psychological stress, sleep quality and subjective health of Chinese doctors and (3) to verify the partial mediating role of psychological stress. DESIGN: A cross-sectional online survey study. SETTING: The survey was conducted among 1740 doctors in tertiary hospitals, 733 in secondary hospital and 139 in primary hospital across 30 provinces of China. PARTICIPANTS: A total of 3016 participants were invited. Ultimately, 2617 doctors completed valid questionnaires. The effective response rate was 86.8%. RESULTS: The results demonstrated that the prevalence rate of exposure to verbal abuse was the highest (76.2%), made difficulties (58.3%), smear reputation (40.8%), mobbing behaviour (40.2%), intimidation behaviour (27.6%), physical violence (24.1%) and sexual harassment (7.8%). Exposure to WPV significantly affected the psychological stress, sleep quality and self-reported health of doctors. Moreover, psychological stress partially mediated the relationship between work-related violence and health damage. CONCLUSION: In China, most doctors have encountered various WPV from patients and their relatives. The prevalence of three new types of WPV have been investigated in our study, which have been rarely mentioned in past research. A safer work environment for Chinese healthcare workers needs to be provided to minimise health threats, which is a top priority for both government and society. PMID- 29222136 TI - Effects of a culturally tailored parenting support programme in Somali-born parents' mental health and sense of competence in parenting: a randomised controlled trial. AB - OBJECTIVES: To evaluate the effectiveness of a culturally tailored parenting support programme on Somali-born parents' mental health and sense of competence in parenting. DESIGN: Randomised controlled trial. SETTING: A city in the middle of Sweden. PARTICIPANTS: Somali-born parents (n=120) with children aged 11-16 years and self-perceived stress in their parenting were randomised to an intervention group (n=60) or a waiting-list control group (n=60). INTERVENTION: Parents in the intervention group received culturally tailored societal information combined with the Connect parenting programme during 12 weeks for 1-2 hours per week. The intervention consisted of a standardised training programme delivered by nine group leaders of Somali background. OUTCOME: The General Health Questionnaire 12 was used to measure parents' mental health and the Parenting Sense of Competence scale to measure parent satisfaction and efficacy in the parent role. Analysis was conducted using intention-to-treat principles. RESULTS: The results indicated that parents in the intervention group showed significant improvement in mental health compared with the parents in the control group at a 2-month follow-up: B=3.62, 95% CI 2.01 to 5.18, p<0.001. Further, significant improvement was found for efficacy (B=-6.72, 95% CI -8.15 to -5.28, p<0.001) and satisfaction (B=-4.48, 95% CI -6.27 to -2.69, p<0.001) for parents in the intervention group. Parents' satisfaction mediated the intervention effect on parental mental health (beta=-0.88, 95% CI -1.84 to -0.16, p=0.047). CONCLUSION: The culturally tailored parenting support programme led to improved mental health of Somali-born parents and their sense of competence in parenting 2 months after the intervention. The study underlines the importance of acknowledging immigrant parents' need for societal information in parent support programmes and the importance of delivering these programmes in a culturally sensitive manner. CLINICAL TRIAL REGISTRATION: NCT02114593. PMID- 29222137 TI - Benefits of probiotics in preterm neonates in low-income and medium-income countries: a systematic review of randomised controlled trials. AB - OBJECTIVE: Although there is an overall reduction in underfive mortality rate, the progress in reducing neonatal mortality rate has been very slow. Over the last 20 years, preterm births have steadily increased in low-income and medium income countries (LMICs) particularly in sub-Saharan Africa and South Asia. Preterm birth is associated with increased mortality and morbidity, particularly in LMICs. Based on systematic reviews of randomised controlled trials (RCTs), many neonatal units in high-income countries have adopted probiotics as standard of care for preterm neonates. We aimed to systematically review the safety and efficacy of probiotics in reducing mortality and morbidity in preterm neonates in LMICs. DESIGN: Systematic review and meta-analysis of RCTs. DATA SOURCES: Medline, Embase, Cochrane Central Register of Controlled Trials, Cumulative Index of Nursing and Allied Health Literature and E-abstracts from Pediatric Academic Society meetings and other paediatric and neonatal conference proceedings were searched in January 2017. ELIGIBILITY CRITERIA: RCTs comparing probiotics versus placebo/no probiotic in preterm neonates (gestation<37 weeks) conducted in LMICs. RESULTS: Total 23 (n=4783) RCTs from 4 continents and 10 LMICs were eligible for inclusion in the meta-analysis using fixed effect model. The risk of necrotising enterocolitis (NEC greater than or equal to stage II) (risk ratio (RR) 0.46 (95% CI 0.34 to 0.61), P<0.00001, numbers needed to treat (NNT) 25 (95% CI 20 to 50)), late-onset sepsis (LOS) (RR 0.80 (95% CI 0.71 to 0.91), P=0.0009, NNT 25 (95% CI 17 to 100)) and all-cause mortality (RR 0.73 (95% CI 0.59 to 0.90), P=0.003, NNT 50 (95% CI 25 to 100)) were significantly lower in probiotic supplemented neonates. The results were significant on random effects model analysis and after excluding studies with high risk of bias. No significant adverse effects were reported. CONCLUSION: Probiotics have significant potential to reduce mortality and morbidity (eg, NEC, LOS) in preterm neonates in LMICs. PMID- 29222140 TI - Correction to "TD-19, an Erlotinib Derivative, Induces Epidermal Growth Factor Receptor Wild-Type Nonsmall-Cell Lung Cancer Apoptosis through CIP2A-Mediated Pathway". PMID- 29222139 TI - Effect of Losartan on Right Ventricular Dysfunction: Results From the Double Blind, Randomized REDEFINE Trial (Right Ventricular Dysfunction in Tetralogy of Fallot: Inhibition of the Renin-Angiotensin-Aldosterone System) in Adults With Repaired Tetralogy of Fallot. AB - BACKGROUND: The effect of angiotensin II receptor blockers on right ventricular (RV) function is still unknown. Angiotensin II receptor blockers are beneficial in patients with acquired left ventricular dysfunction, and recent findings have suggested a favorable effect in symptomatic patients with systemic RV dysfunction. The current study aimed to determine the effect of losartan, an angiotensin II receptor blocker, on subpulmonary RV dysfunction in adults after repaired tetralogy of Fallot. METHODS: The REDEFINE trial (Right Ventricular Dysfunction in Tetralogy of Fallot: Inhibition of the Renin-Angiotensin Aldosterone System) is an investigator-initiated, multicenter, prospective, 1:1 randomized, double-blind, placebo-controlled study. Adults with repaired tetralogy of Fallot and RV dysfunction (RV ejection fraction [EF] <50%) but without severe valvular dysfunction were eligible. Patients were randomly assigned between losartan (150 mg daily) and placebo with target treatment duration between 18 and 24 months. The primary outcome was RV EF change, determined by cardiovascular MRI in intention-to-treat analysis. RESULTS: Of 95 included patients, 47 patients received 150 mg losartan daily (age, 38.0+/-12.4 years; 74% male), and 48 patients received placebo (age, 40.6+/-11.4 years; 63% male). Overall, RV EF did not change in patients allocated to losartan (n=42) (44.4+/-5.1% to 45.2+/-5.0%) and placebo (n=46) (43.2+/-6.3% to 43.6+/-6.9%). Losartan did not significantly improve RV EF in comparison with placebo (+0.51%; 95% confidence interval, -1.0 to +2.0; P=0.50). No significant treatment effects were found on secondary outcomes: left ventricular EF, peak aerobic exercise capacity, and N-terminal pro-brain natriuretic peptide (P>0.30 for all). In predefined subgroup analyses, losartan did not have a statistically significant impact on RV EF in subgroups with symptoms, restrictive RV, RV EF<40%, pulmonary valve replacement, or QRS fragmentation. However, in a post hoc analysis, losartan was associated with improved RV EF in a subgroup (n=30) with nonrestrictive RV and incomplete remodeling (QRS fragmentation and previous pulmonary valve replacement) (+2.7%; 95% confidence interval, +0.1 to +5.4; P=0.045). CONCLUSIONS: Losartan had no significant effect on RV dysfunction or secondary outcome parameters in repaired tetralogy of Fallot. Future larger studies may determine whether there might be a role for losartan in specific vulnerable subgroups. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02010905. PMID- 29222141 TI - Looking to tomorrow. PMID- 29222138 TI - Application of Large-Scale Aptamer-Based Proteomic Profiling to Planned Myocardial Infarctions. AB - BACKGROUND: Emerging proteomic technologies using novel affinity-based reagents allow for efficient multiplexing with high-sample throughput. To identify early biomarkers of myocardial injury, we recently applied an aptamer-based proteomic profiling platform that measures 1129 proteins to samples from patients undergoing septal alcohol ablation for hypertrophic cardiomyopathy, a human model of planned myocardial injury. Here, we examined the scalability of this approach using a markedly expanded platform to study a far broader range of human proteins in the context of myocardial injury. METHODS: We applied a highly multiplexed, expanded proteomic technique that uses single-stranded DNA aptamers to assay 4783 human proteins (4137 distinct human gene targets) to derivation and validation cohorts of planned myocardial injury, individuals with spontaneous myocardial infarction, and at-risk controls. RESULTS: We found 376 target proteins that significantly changed in the blood after planned myocardial injury in a derivation cohort (n=20; P<1.05E-05, 1-way repeated measures analysis of variance, Bonferroni threshold). Two hundred forty-seven of these proteins were validated in an independent planned myocardial injury cohort (n=15; P<1.33E-04, 1 way repeated measures analysis of variance); >90% were directionally consistent and reached nominal significance in the validation cohort. Among the validated proteins that were increased within 1 hour after planned myocardial injury, 29 were also elevated in patients with spontaneous myocardial infarction (n=63; P<6.17E-04). Many of the novel markers identified in our study are intracellular proteins not previously identified in the peripheral circulation or have functional roles relevant to myocardial injury. For example, the cardiac LIM protein, cysteine- and glycine-rich protein 3, is thought to mediate cardiac mechanotransduction and stress responses, whereas the mitochondrial ATP synthase F0 subunit component is a vasoactive peptide on its release from cells. Last, we performed aptamer-affinity enrichment coupled with mass spectrometry to technically verify aptamer specificity for a subset of the new biomarkers. CONCLUSIONS: Our results demonstrate the feasibility of large-scale aptamer multiplexing at a level that has not previously been reported and with sample throughput that greatly exceeds other existing proteomic methods. The expanded aptamer-based proteomic platform provides a unique opportunity for biomarker and pathway discovery after myocardial injury. PMID- 29222142 TI - Dramatic decline in donkey populations blamed on consumer demand for 'ejiao'. PMID- 29222144 TI - New chief vet for UK appointed by Defra. PMID- 29222143 TI - Consulting on bTB in Northern Ireland. PMID- 29222145 TI - What role does diet play in the decline of puffins? AB - Eleanor Taylor explains how bird lovers are helping conservation charity RSPB understand puffin populations. PMID- 29222146 TI - Medicines update. PMID- 29222147 TI - New cases of Alabama rot confirmed. PMID- 29222148 TI - Looking out for avian influenza in backyard and small poultry flocks. AB - This article has been prepared by David Welchman, veterinary lead of the Avian Expert Group, and Anna Brzozowska, surveillance data scientist, of the APHA's Surveillance Intelligence Unit. PMID- 29222149 TI - Compressive hydrated nucleus pulposus extrusion: is surgery necessary? PMID- 29222151 TI - Professional responsibility. PMID- 29222152 TI - Changes to ionising radiation regulations. PMID- 29222153 TI - The future of keeping pet reptiles and amphibians. PMID- 29222154 TI - Who owns the countryside? PMID- 29222156 TI - Brachycephalics and advertising. PMID- 29222155 TI - Brachycephalics and advertising. PMID- 29222157 TI - Awards to receive CPD support. PMID- 29222158 TI - Not man's best friend. AB - Gemma Bourne describes her dog, Max, who displays challenging behaviour and what she wants from her vet. PMID- 29222159 TI - My week. AB - Scarlett Beesley is a ward veterinary nurse at Lumbry Park Veterinary Specialists in Alton, Hampshire. Here, she describes a recent week. PMID- 29222161 TI - Detection of Proteome Diversity Resulted from Alternative Splicing is Limited by Trypsin Cleavage Specificity. AB - Alternative splicing dramatically increases transcriptome complexity but its contribution to proteome diversity remains controversial. Exon-exon junction spanning peptides provide direct evidence for the translation of specific splice isoforms and are critical for delineating protein isoform complexity. Here we found that junction-spanning peptides are underrepresented in publicly available mass spectrometry-based shotgun proteomics data sets. Further analysis showed that evolutionarily conserved preferential nucleotide usage at exon boundaries increases the occurrence of lysine- and arginine-coding triplets at the end of exons. Because both lysine and arginine residues are cleavage sites of trypsin, the nearly exclusive use of trypsin as the protein digestion enzyme in shotgun proteomic analyses hinders the detection of junction-spanning peptides. To study the impact of enzyme selection on splice junction detectability, we performed in silico digestion of the human proteome using six proteases. The six enzymes created a total of 161,125 detectable junctions, and only 1,029 were common across all enzyme digestions. Chymotrypsin digestion provided the largest number of detectable junctions. Our experimental results further showed that combination of a chymotrypsin-based human proteome analysis with a trypsin-based analysis increased detection of junction-spanning peptides by 37% over the trypsin-only analysis and identified over a thousand junctions that were undetectable in fully tryptic digests. Our study demonstrates that detection of proteome diversity resulted from alternative splicing is limited by trypsin cleavage specificity, and that complementary digestion schemes will be essential to comprehensively analyze the translation of alternative splicing isoforms. PMID- 29222160 TI - The interactome of intact mitochondria by cross-linking mass spectrometry provides evidence for coexisting respiratory supercomplexes. AB - Mitochondria exert an immense amount of cytophysiological functions, but the structural basis of most of these processes is still poorly understood. Here we use cross-linking mass spectrometry to probe the organization of proteins in native mouse heart mitochondria. Our approach provides the largest survey of mitochondrial protein interactions reported so far. In total, we identify 3,322 unique residue-to-residue contacts involving half of the mitochondrial proteome detected by bottom-up proteomics. The obtained mitochondrial protein interactome gives insights in the architecture and submitochondrial localization of defined protein assemblies, and reveals the mitochondrial localization of four proteins not yet included in the MitoCarta database. As one of the highlights, we show that the oxidative phosphorylation complexes I-V exist in close spatial proximity, providing direct evidence for supercomplex assembly in intact mitochondria. The specificity of these contacts is demonstrated by comparative analysis of mitochondria after high salt treatment, which disrupts the native supercomplexes and substantially changes the mitochondrial interactome. PMID- 29222162 TI - Dual Inhibition of PIK3C3 and FGFR as a New Therapeutic Approach to Treat Bladder Cancer. AB - Purpose: MPT0L145 has been developed as a FGFR inhibitor exhibiting significant anti-bladder cancer activity in vitro and in vivo via promoting autophagy dependent cell death. Here, we aim to elucidate the underlying mechanisms.Experimental Design: Autophagy flux, morphology, and intracellular organelles were evaluated by Western blotting, transmission electron microscope, and fluorescence microscope. Molecular docking and surface plasmon resonance assay were performed to identify drug-protein interaction. Lentiviral delivery of cDNA or shRNA and CRISPR/Cas9-mediated genome editing was used to modulate gene expression. Mitochondrial oxygen consumption rate was measured by a Seahorse XFe24 extracellular flux analyzer, and ROS level was measured by flow cytometry.Results: MPT0L145 persistently increased incomplete autophagy and phase lucent vacuoles at the perinuclear region, which were identified as enlarged and alkalinized late-endosomes. Screening of a panel of lipid kinases revealed that MPT0L145 strongly inhibits PIK3C3 with a Kd value of 0.53 nmol/L. Ectopic expression of PIK3C3 reversed MPT0L145-increased cell death and incomplete autophagy. Four residues (Y670, F684, I760, D761) at the ATP-binding site of PIK3C3 are important for the binding of MPT0L145. In addition, MPT0L145 promotes mitochondrial dysfunction, ROS production, and DNA damage, which may in part, contribute to cell death. ATG5-knockout rescued MPT0L145-induced cell death, suggesting simultaneous induction of autophagy is crucial to its anticancer activity. Finally, our data demonstrated that MPT0L145 is able to overcome cisplatin resistance in bladder cancer cells.Conclusions: MPT0L145 is a first-in class PIK3C3/FGFR inhibitor, providing an innovative strategy to design new compounds that increase autophagy, but simultaneously perturb its process to promote bladder cancer cell death. Clin Cancer Res; 24(5); 1176-89. (c)2017 AACR. PMID- 29222163 TI - Novel In Vitro Cancer Models for Optimizing Anti-EGFR Therapies. AB - Preclinical models, which are able to recapitulate the biology and pathology of the original individual cancer, are needed to better investigate mechanisms of response and resistance to anticancer therapies. In this respect, novel in vitro models for metastatic colorectal cancer could be of high value. Clin Cancer Res; 24(4); 727-9. (c)2017 AACRSee related article by Luraghi et al., p. 807. PMID- 29222164 TI - Cardiac Resynchronization Therapy in Heart Failure: Do Evidence-Based Guidelines Follow the Evidence? PMID- 29222165 TI - Innate Sex Bias of Staphylococcus aureus Skin Infection Is Driven by alpha Hemolysin. AB - Numerous studies have reported sex bias in infectious diseases, with bias direction dependent on pathogen and site of infection. Staphylococcus aureus is the most common cause of skin and soft tissue infections (SSTIs), yet sex bias in susceptibility to S. aureus SSTI has not been described. A search of electronic health records revealed an odds ratio of 2.4 for S. aureus SSTI in males versus females. To investigate the physiological basis of this bias, we compared outcomes between male and female mice in a model of S. aureus dermonecrosis. Consistent with the epidemiological data, female mice were better protected against SSTI, with reduced dermonecrosis followed later by increased bacterial clearance. Protection in females was disrupted by ovariectomy and restored by short-term estrogen administration. Importantly, this sex bias was mediated by a sex-specific response to the S. aureus-secreted virulence factor alpha-hemolysin (Hla). Infection with wild-type S. aureus suppressed inflammatory cytokine production in the skin of female, but not male, mice when compared with infection with an isogenic hla deletion mutant. This differential response was conserved following injection with Hla alone, demonstrating a direct response to Hla independent of bacterial burden. Additionally, neutrophils, essential for clearing S. aureus, demonstrated sex-specific S. aureus bactericidal capacity ex vivo. This work suggests that sex-specific skin innate responsiveness to Hla and neutrophil bactericidal capacity play important roles in limiting S. aureus SSTI in females. Understanding the molecular mechanisms controlling this sex bias may reveal novel targets to promote host innate defense against S. aureus skin infection. PMID- 29222166 TI - Effect of IL-7 Therapy on Phospho-Ribosomal Protein S6 and TRAF1 Expression in HIV-Specific CD8 T Cells in Patients Receiving Antiretroviral Therapy. AB - IL-7 therapy has been evaluated in patients who do not regain normal CD4 T cell counts after virologically successful antiretroviral therapy. IL-7 increases total circulating CD4 and CD8 T cell counts; however, its effect on HIV-specific CD8 T cells has not been fully examined. TRAF1, a prosurvival signaling adaptor required for 4-1BB-mediated costimulation, is lost from chronically stimulated virus-specific CD8 T cells with progression of HIV infection in humans and during chronic lymphocytic choriomeningitis infection in mice. Previous results showed that IL-7 can restore TRAF1 expression in virus-specific CD8 T cells in mice, rendering them sensitive to anti-4-1BB agonist therapy. In this article, we show that IL-7 therapy in humans increases the number of circulating HIV-specific CD8 T cells. For a subset of patients, we also observed an increased frequency of TRAF1+ HIV-specific CD8 T cells 10 wk after completion of IL-7 treatment. IL-7 treatment increased levels of phospho-ribosomal protein S6 in HIV-specific CD8 T cells, suggesting increased activation of the metabolic checkpoint kinase mTORC1. Thus, IL-7 therapy in antiretroviral therapy-treated patients induces sustained changes in the number and phenotype of HIV-specific T cells. PMID- 29222168 TI - Altered Marginal Zone B Cell Selection in the Absence of IkappaBNS. AB - Marginal zone (MZ) B cells reside in the splenic MZ and play important roles in T cell-independent humoral immune responses against blood-borne pathogens. IkappaBNS-deficient bumble mice exhibit a severe reduction in the MZ B compartment but regain an MZ B population with age and, thus, represent a valuable model to examine the biology of MZ B cells. In this article, we characterized the MZ B cell defect in further detail and investigated the nature of the B cells that appear in the MZ of aged bumble mice. Flow cytometry analysis of the splenic transitional B cell subsets demonstrated that MZ B cell development was blocked at the transitional-1 to transitional-2-MZ precursor stage in the absence of functional IkappaBNS. Immunohistochemical analysis of spleen sections from wild-type and bumble mice revealed no alteration in the cellular MZ microenvironment, and analysis of bone marrow chimeras indicated that the MZ B cell development defect in bumble mice was B cell intrinsic. Further, we demonstrate that the B cells that repopulate the MZ in aged bumble mice were distinct from age-matched wild-type MZ B cells. Specifically, the expression of surface markers characteristic for MZ B cells was altered and the L chain Iglambda+ repertoire was reduced in bumble mice. Finally, plasma cell differentiation of sorted LPS-stimulated MZ B cells was impaired, and aged bumble mice were unable to respond to NP-Ficoll immunization. These results demonstrate that IkappaBNS is required for an intact MZ B cell compartment in C57BL/6 mice. PMID- 29222167 TI - Cytoplasmic Linker Protein CLIP170 Negatively Regulates TLR4 Signaling by Targeting the TLR Adaptor Protein TIRAP. AB - Cytoplasmic linker protein 170 (CLIP170) is a CAP-Gly domain-containing protein that is associated with the plus end of growing microtubules and implicated in various cellular processes, including the regulation of microtubule dynamics, cell migration, and intracellular transport. Our studies revealed a previously unrecognized property and role of CLIP170. We identified CLIP170 as one of the interacting partners of Brucella effector protein TcpB that negatively regulates TLR2 and TLR4 signaling. In this study, we demonstrate that CLIP170 interacts with the TLR2 and TLR4 adaptor protein TIRAP. Furthermore, our studies revealed that CLIP170 induces ubiquitination and subsequent degradation of TIRAP to negatively regulate TLR4-mediated proinflammatory responses. Overexpression of CLIP170 in mouse macrophages suppressed the LPS-induced expression of IL-6 and TNF-alpha whereas silencing of endogenous CLIP170 potentiated the levels of proinflammatory cytokines. In vivo silencing of CLIP170 in C57BL/6 mice by CLIP170-specific small interfering RNA enhanced LPS-induced IL-6 and TNF-alpha expression. Furthermore, we found that LPS modulates the expression of CLIP170 in mouse macrophages. Overall, our experimental data suggest that CLIP170 serves as an intrinsic negative regulator of TLR4 signaling that targets TIRAP. PMID- 29222169 TI - Nanoscale Tuning of VCAM-1 Determines VLA-4-Dependent Melanoma Cell Plasticity on RGD Motifs. AB - The biophysical fine-tuning of cancer cell plasticity is crucial for tumor progression but remains largely enigmatic. Although vascular cell adhesion molecule-1 (VCAM-1/CD106) has been implicated in melanoma progression, here its presentation on endothelial cells was associated with diminished melanoma cell spreading. Using a specific nanoscale modulation of VCAM-1 (tunable from 70 to 670 ligands/MUm2) next to integrin ligands (RGD motifs) in a bifunctional system, reciprocal regulation of integrin alpha4 (ITGA4/VLA-4/CD49d)-dependent adhesion and spreading of melanoma cells was found. As the VCAM-1/VLA-4 receptor pair facilitated adhesion, while at the same time antagonizing RGD-mediated spreading, melanoma cell morphogenesis on these bifunctional matrices was directly regulated by VCAM-1 in a dichotomic and density-dependent fashion. This was accompanied by concordant regulation of F-actin cytoskeleton remodeling, Rac1-expression, and paxillin-related adhesion formation. The novel function of VCAM-1 was corroborated in vivo using two murine models of pulmonary metastasis. The regulation of melanoma cell plasticity by VCAM-1 highlights the complex regulation of tumor-matrix interactions.Implications: Nanotechnology has revealed a novel dichotomic function of the VCAM-1/VLA-4 interaction on melanoma cell plasticity, as nanoscale tuning of this interaction reciprocally determines adhesion and spreading in a ligand density-dependent manner. Mol Cancer Res; 16(3); 528-42. (c)2017 AACR. PMID- 29222171 TI - TANKYRASE Inhibition Enhances the Antiproliferative Effect of PI3K and EGFR Inhibition, Mutually Affecting beta-CATENIN and AKT Signaling in Colorectal Cancer. AB - Overactivation of the WNT/beta-CATENIN signaling axis is a common denominator in colorectal cancer. Currently, there is no available WNT inhibitor in clinical practice. Although TANKYRASE (TNKS) inhibitors have been proposed as promising candidates, there are many colorectal cancer models that do not respond positively to TNKS inhibition in vitro and in vivo Therefore, a combinatorial therapeutic approach combining a TNKS inhibitor (G007-LK) with PI3K (BKM120) and EGFR (erlotinib) inhibitors in colorectal cancer was investigated. The data demonstrate that TNKS inhibition enhances the effect of PI3K and EGFR inhibition in the TNKS inhibitor-sensitive COLO320DM, and in the nonsensitive HCT-15 cell line. In both cell lines, combined TNKS/PI3K/EGFR inhibition is more effective at reducing growth than a dual TNKS/MEK inhibition. TNKS/PI3K/EGFR inhibition affected in a context-dependent manner components of the WNT/beta-CATENIN, AKT/mTOR, EGFR, and RAS signaling pathways. TNKS/PI3K/EGFR inhibition also efficiently reduced growth of both COLO320DM and HCT-15 tumor xenografts in vivo At the highest doses, tumor xenograft growth was halted without affecting the body weight of the tested animals.Implications: Combining TNKS inhibitors with PI3K and EGFR inhibition may expand the therapeutic arsenal against colorectal cancers. Mol Cancer Res; 16(3); 543-53. (c)2017 AACR. PMID- 29222170 TI - Imprecision and DNA Break Repair Biased towards Incompatible End Joining in Leukemia. AB - Cancer is a genetic disease caused by mutations and chromosomal abnormalities that contribute to uncontrolled cell growth. In addition, cancer cells can rapidly respond to conventional and targeted therapies by accumulating novel and often specific genetic lesions leading to acquired drug resistance and relapsing disease. In chronic lymphocytic leukemia (CLL), however, diverse chromosomal aberrations often occur. In many cases, improper repair of DNA double-strand breaks (DSB) is a major source for genomic abnormalities. Therefore, this study examined the repair of DNA DSBs by nonhomologous end joining (NHEJ) in CLL by performing plasmid-based repair assays in primary CLL cells and normal B cells, isolated from patients, as well as TALEN/Cas9-induced chromosomal deletions in the CLL cell line Mec1. It is demonstrated that DNA repair is aberrant in CLL cells, featuring perturbed DNA break structure preference with efficient joining of noncohesive ends and more deletions at repair junctions. In addition, increased microhomology-mediated end joining (MMEJ) of DNA substrates was observed in CLL together with increased expression of MMEJ-specific repair factors. In summary, these data identify major differences in DNA repair efficiency between CLL cells and normal B cells isolated from patients.Implications: This study suggests inherently aberrant DNA DSB repair in the acquisition of subclonal genomic structural variations important for clonal evolution and treatment resistance in CLL. Mol Cancer Res; 16(3); 428-38. (c)2017 AACR. PMID- 29222173 TI - The bright spark who lit up Glasgow. PMID- 29222172 TI - Proximal Aberrant Crypt Foci Associate with Synchronous Neoplasia and Are Primed for Neoplastic Progression. AB - Aberrant crypt foci (ACF) are the earliest morphologically identifiable lesion found within the human colon. Despite their relatively high frequency in the distal colon, few studies have examined the molecular characteristics of ACF within the proximal colon. In the following study, clinical participants (n = 184) were screened for ACF using high-definition chromoendoscopy with contrast dye-spray. Following pathologic confirmation, ACF biopsies were subjected to laser capture microdissection (LCM), and epithelial cells were evaluated for somatic mutations with a customized colorectal cancer mutation panel using DNA mass spectrometry. Samples were further characterized for microsatellite instability (MSI). Logistic models were used to associate proximal ACF with synchronous (detected during the same procedure) neoplasia. Thirty-nine percent of participants had at least one histologically confirmed proximal ACF. Individuals with a proximal ACF were significantly more likely to present with a synchronous neoplasm (P = 0.001), and specifically, a proximal, tubular, or tubulovillous adenoma (multivariable OR = 2.69; 95% confidence interval, 1.12 6.47; P = 0.027). Proximal ACF were more likely to be dysplastic (52%) compared with distal ACF (13%; P < 0.0001). Somatic mutations to APC, BRAF, KRAS, NRAS, and ERBB2 were detected in 37% of proximal ACF. Hyperplastic ACF were more often MSI-high, but there were no differences in MSI status observed by colonic location. In summary, ACF are identified in the proximal colons of approximately 40% of individuals undergoing chromoendoscopy and more often in patients with synchronous proximal adenomas.Implications: This study provides the most complete set of data, to date, that ACF represent the earliest step in the adenoma carcinoma sequence but remain below the detection limit of conventional endoscopy.Visual Overview: http//mcr.accrjournals.org/content/molcanres/16/3/486/F1.large.jpg Mol Cancer Res; 16(3); 486-95. (c)2017 AACR. PMID- 29222174 TI - Phosphatase PP2A and microtubule-mediated pulling forces disassemble centrosomes during mitotic exit. AB - Centrosomes are microtubule-nucleating organelles that facilitate chromosome segregation and cell division in metazoans. Centrosomes comprise centrioles that organize a micron-scale mass of protein called pericentriolar material (PCM) from which microtubules nucleate. During each cell cycle, PCM accumulates around centrioles through phosphorylation-mediated assembly of PCM scaffold proteins. During mitotic exit, PCM swiftly disassembles by an unknown mechanism. Here, we used Caenorhabditis elegans embryos to determine the mechanism and importance of PCM disassembly in dividing cells. We found that the phosphatase PP2A and its regulatory subunit SUR-6 (PP2ASUR-6), together with cortically directed microtubule pulling forces, actively disassemble PCM. In embryos depleted of these activities, ~25% of PCM persisted from one cell cycle into the next. Purified PP2ASUR-6 could dephosphorylate the major PCM scaffold protein SPD-5 in vitro Our data suggest that PCM disassembly occurs through a combination of dephosphorylation of PCM components and force-driven fragmentation of the PCM scaffold. PMID- 29222177 TI - Muscular dystrophy: Are we looking for subtle signs? PMID- 29222178 TI - Bilateral palatine ulcers in a neonate: Bednar's aphthae. PMID- 29222175 TI - Chitin protects the gut epithelial barrier in a protochordate model of DSS induced colitis. AB - The gastrointestinal tract of Ciona intestinalis, a solitary tunicate that siphon filters water, shares similarities with its mammalian counterpart. The Ciona gut exhibits other features that are unique to protochordates, including certain immune molecules, and other characteristics, e.g. chitin-rich mucus, which appears to be more widespread than considered previously. Exposure of Ciona to dextran sulphate sodium (DSS) induces a colitis-like phenotype similar to that seen in other systems, and is characterized by alteration of epithelial morphology and infiltration of blood cells into lamina propria-like regions. DSS treatment also influences the production and localization of a secreted immune molecule shown previously to co-localize to chitin-rich mucus in the gut. Resistance to DSS is enhanced by exposure to exogenous chitin microparticles, suggesting that endogenous chitin is critical to barrier integrity. Protochordates, such as Ciona, retain basic characteristics found in other more advanced chordates and can inform us of uniquely conserved signals shaping host microbiota interactions in the absence of adaptive immunity. These simpler model systems may also reveal factors and processes that modulate recovery from colitis, the role gut microbiota play in the onset of the disease, and the rules that help govern the reestablishment and maintenance of gut homeostasis. PMID- 29222176 TI - Ca2+ releases E-Syt1 autoinhibition to couple ER-plasma membrane tethering with lipid transport. AB - The extended synaptotagmins (E-Syts) are endoplasmic reticulum (ER) proteins that bind the plasma membrane (PM) via C2 domains and transport lipids between them via SMP domains. E-Syt1 tethers and transports lipids in a Ca2+-dependent manner, but the role of Ca2+ in this regulation is unclear. Of the five C2 domains of E Syt1, only C2A and C2C contain Ca2+-binding sites. Using liposome-based assays, we show that Ca2+ binding to C2C promotes E-Syt1-mediated membrane tethering by releasing an inhibition that prevents C2E from interacting with PI(4,5)P2-rich membranes, as previously suggested by studies in semi-permeabilized cells. Importantly, Ca2+ binding to C2A enables lipid transport by releasing a charge based autoinhibitory interaction between this domain and the SMP domain. Supporting these results, E-Syt1 constructs defective in Ca2+ binding in either C2A or C2C failed to rescue two defects in PM lipid homeostasis observed in E Syts KO cells, delayed diacylglycerol clearance from the PM and impaired Ca2+ triggered phosphatidylserine scrambling. Thus, a main effect of Ca2+ on E-Syt1 is to reverse an autoinhibited state and to couple membrane tethering with lipid transport. PMID- 29222179 TI - HPV vaccination rate in French adolescent girls: an example of vaccine distrust. AB - OBJECTIVES: To explore the clinical issues of human papillomavirus (HPV) vaccination to develop explanatory hypotheses for the low level of vaccination among adolescent girls in France where the full course coverage is low (<15%). DESIGN: We used semistructured interviews. Our qualitative and phenomenological procedure applied interpretative phenomenological analysis. PARTICIPANTS: 16 physicians regularly faced with the prescription of HPV vaccine, represented several medical specialties (paediatrics, general practice, internal medicine, gynaecology), with hospitalist or private practices. MAIN OUTCOME MEASURES: The results connect three superordinate themes grouping three concentric levels: within society, during the consultation and in the individual doctor's feelings. RESULTS: The modalities and contents of the information about HPV vaccination raise questions about the limitations of the information doctors receive. The ineluctable association between sexuality and HPV vaccination explains their reluctance to raise topics considered to be private. The reasons for HPV vaccination illustrate the difficulty of arguing in favour of it. In view of the frequent parental reluctance, which weakens the parent-physician alliance, physicians must take responsibility for defending the benefits of vaccination. They nonetheless remain citizens whose opinions may implicitly echo the general reluctance, promoted by disinformation. In delaying or avoiding the subject of vaccination, they involuntarily become an instrument of anti-vaccination discourse. CONCLUSIONS: It is imperative to improve the distribution of credible information about vaccination, unbiased and scientifically supported by a strong institutional position and to rethink the place of the clinician in the system of adolescent health and disease prevention in France. PMID- 29222180 TI - Big Science for patient centred care. PMID- 29222181 TI - Fifteen-minute consultation: an approach to a child presenting to the emergency department with acute psychotic symptoms. AB - Presentation of a child in the A&E with altered behaviour including psychotic features is not unusual. New-onset psychotic symptoms in children pose a significant diagnostic challenge due to several reasons. First, primary psychotic conditions are uncommon in pre-pubertal children. Second, differentiating between delirium and psychosis can be difficult in children, more so in infants, toddlers and young children. Third, intervening and managing a secondary cause of psychosis can significantly optimise outcome. Prompt recognition of a possible underlying cause for a child's psychotic behaviour is essential, and at the same time challenging, in the emergency department. This article attempts to present a systematic approach to a child with acute onset of psychotic symptoms in an emergency setting. PMID- 29222182 TI - Fifteen minute consultation: an approach to the child with chronic headaches. AB - Children with chronic headache are a common referral to paediatric outpatients. This article suggests an approach to the assessment and management of chronic headaches, offering practical strategies for management as there is limited literature in paediatrics for this. PMID- 29222183 TI - Default neglect in attempts at social influence. AB - Current theories suggest that people understand how to exploit common biases to influence others. However, these predictions have received little empirical attention. We consider a widely studied bias with special policy relevance: the default effect, which is the tendency to choose whichever option is the status quo. We asked participants (including managers, law/business/medical students, and US adults) to nudge others toward selecting a target option by choosing whether to present that target option as the default. In contrast to theoretical predictions, we find that people often fail to understand and/or use defaults to influence others, i.e., they show "default neglect." First, in one-shot default setting games, we find that only 50.8% of participants set the target option as the default across 11 samples (n = 2,844), consistent with people not systematically using defaults at all. Second, when participants have multiple opportunities for experience and feedback, they still do not systematically use defaults. Third, we investigate beliefs related to the default effect. People seem to anticipate some mechanisms that drive default effects, yet most people do not believe in the default effect on average, even in cases where they do use defaults. We discuss implications of default neglect for decision making, social influence, and evidence-based policy. PMID- 29222184 TI - Phosphorylation of the synaptonemal complex protein SYP-1 promotes meiotic chromosome segregation. AB - Chromosomes that have undergone crossing over in meiotic prophase must maintain sister chromatid cohesion somewhere along their length between the first and second meiotic divisions. Although many eukaryotes use the centromere as a site to maintain cohesion, the holocentric organism Caenorhabditis elegans instead creates two chromosome domains of unequal length termed the short arm and long arm, which become the first and second site of cohesion loss at meiosis I and II. The mechanisms that confer distinct functions to the short and long arm domains remain poorly understood. Here, we show that phosphorylation of the synaptonemal complex protein SYP-1 is required to create these domains. Once crossover sites are designated, phosphorylated SYP-1 and PLK-2 become cooperatively confined to short arms and guide phosphorylated histone H3 and the chromosomal passenger complex to the site of meiosis I cohesion loss. Our results show that PLK-2 and phosphorylated SYP-1 ensure creation of the short arm subdomain, promoting disjunction of chromosomes in meiosis I. PMID- 29222185 TI - p37/UBXN2B regulates spindle orientation by limiting cortical NuMA recruitment via PP1/Repo-Man. AB - Spindle orientation determines the axis of division and is crucial for cell fate, tissue morphogenesis, and the development of an organism. In animal cells, spindle orientation is regulated by the conserved Galphai-LGN-NuMA complex, which targets the force generator dynein-dynactin to the cortex. In this study, we show that p37/UBXN2B, a cofactor of the p97 AAA ATPase, regulates spindle orientation in mammalian cells by limiting the levels of cortical NuMA. p37 controls cortical NuMA levels via the phosphatase PP1 and its regulatory subunit Repo-Man, but it acts independently of Galphai, the kinase Aurora A, and the phosphatase PP2A. Our data show that in anaphase, when the spindle elongates, PP1/Repo-Man promotes the accumulation of NuMA at the cortex. In metaphase, p37 negatively regulates this function of PP1, resulting in lower cortical NuMA levels and correct spindle orientation. PMID- 29222186 TI - New splicing variants of mitochondrial Rho GTPase-1 (Miro1) transport peroxisomes. AB - Microtubule-dependent long-distance movement of peroxisomes occurs in mammalian cells. However, its molecular mechanisms remain undefined. In this study, we identified three distinct splicing variants of human mitochondrial Rho GTPase-1 (Miro1), each containing amino acid sequence insertions 1 (named Miro1-var2), 2 (Miro1-var3), and both 1 and 2 (Miro1-var4), respectively, at upstream of the transmembrane domain. Miro1-var4 and Miro1-var2 are localized to peroxisomes in a manner dependent on the insertion 1 that is recognized by the cytosolic receptor Pex19p. Exogenous expression of Miro1-var4 induces accumulation of peroxisomes at the cell periphery and augments long-range movement of peroxisomes along microtubules. Depletion of all Miro1 variants by knocking down MIRO1 suppresses the long-distance movement of peroxisomes. Such abrogated movement is restored by reexpression of peroxisomal Miro1 variants. Collectively, our findings identify for the first time peroxisome-localized Miro1 variants as adapter proteins that link peroxisomes to the microtubule-dependent transport complexes including TRAK2 in the intracellular translocation of peroxisomes in mammalian cells. PMID- 29222193 TI - A cholesterol-sensing mechanism unfolds. AB - Squalene monooxygenase (SM), which synthesizes a cholesterol precursor, is degraded when cholesterol levels in the endoplasmic reticulum (ER) membrane are high, but the signal for degradation was not known. In this issue of JBC, Brown and co-workers identify an N-terminal domain in SM that interconverts in a cholesterol-sensitive manner between a membrane-binding amphipathic helix and a soluble degradation-prone segment, providing the first example of a cholesterol degron collaboration. PMID- 29222192 TI - SUPPRESSOR OF GAMMA RESPONSE1 Links DNA Damage Response to Organ Regeneration. AB - In Arabidopsis, DNA damage-induced programmed cell death is limited to the meristematic stem cell niche and its early descendants. The significance of this cell-type-specific programmed cell death is unclear. Here, we demonstrate in roots that it is the programmed destruction of the mitotically compromised stem cell niche that triggers its regeneration, enabling growth recovery. In contrast to wild-type plants, sog1 plants, which are defective in damage-induced programmed cell death, maintain the cell identities and stereotypical structure of the stem cell niche after irradiation, but these cells fail to undergo cell division, terminating root growth. We propose DNA damage-induced programmed cell death is employed by plants as a developmental response, contrasting with its role as an anticarcinogenic response in animals. This role in plants may have evolved to restore the growth of embryos after the accumulation of DNA damage in seeds. PMID- 29222194 TI - Co-conspirators in a new mechanism for the degradation of Delta9-desaturase. AB - Delta9-Desaturases are central enzymes in unsaturated fatty acid synthesis regulated at the transcriptional and mRNA levels and by proteasomal degradation. A new study by Murakami et al. uncovers a novel regulatory pathway in which an N terminal di-proline motif in the Drosophila Delta9-desaturase mediates protein degradation by a calcium-dependent cysteine protease in response to unsaturated fatty acids. This study provides new details of desaturase regulation with therapeutic implications for the treatment of metabolic syndrome. PMID- 29222195 TI - Biosynthesis of prion protein nucleocytoplasmic isoforms by alternative initiation of translation. PMID- 29222196 TI - Failure of prion protein oxidative folding guides the formation of toxic transmembrane forms. PMID- 29222197 TI - Are pulmonary fibrosis and Alzheimer's disease linked? Shared dysregulation of two miRNA species and downstream pathways accompany both disorders. PMID- 29222198 TI - Higher Muscle Strength Is Associated with Prolonged Survival in Older Patients with Advanced Cancer. AB - BACKGROUND: Identifying predictors of treatment toxicity and overall survival (OS) is important for selecting patients who will benefit from chemotherapy. In younger patients with cancer, muscle mass and radiodensity are associated with treatment toxicity and OS. In this study, we investigated whether muscle mass, radiodensity, and strength were associated with treatment toxicity and OS in patients with advanced cancer aged 60 years or older. MATERIALS AND METHODS: Before starting palliative chemotherapy, muscle mass and radiodensity were assessed using computed tomography scans and muscle strength was assessed using a hydraulic hand grip dynamometer. Treatment toxicity was defined as any toxicity resulting in dose reduction and/or discontinuation of treatment. Multiple logistic and Cox regression analyses were performed to study potential associations of muscle mass, radiodensity, and strength with treatment toxicity and OS, respectively. RESULTS: The participants were 103 patients, with a mean age of 70 years, with advanced colorectal, prostate, or breast cancer. Muscle parameters were not significantly associated with treatment toxicity. Higher muscle strength was associated with longer OS (hazard ratio 1.03; 95% confidence interval 1.00-1.05). Muscle mass and radiodensity were not significantly associated with OS. CONCLUSION: Higher muscle strength at the start of palliative chemotherapy is associated with significantly better OS in older patients with advanced cancer. None of the investigated muscle parameters were related to treatment toxicity. Future studies are needed to evaluate whether muscle strength can be used for treatment decisions in older patients with advanced cancer. IMPLICATIONS FOR PRACTICE: This study in older patients with advanced cancer showed that adequate muscle strength is associated with longer overall survival. The results of this study imply that muscle strength might be helpful in estimating survival and therefore in identifying older patients who will benefit from anticancer treatment. PMID- 29222200 TI - "Everyone thinks it's someone else's responsibility": training for sexual health doctors. PMID- 29222199 TI - Treatment of CD30-Expressing Germ Cell Tumors and Sex Cord Stromal Tumors with Brentuximab Vedotin: Identification and Report of Seven Cases. AB - BACKGROUND: Cytotoxic therapy for relapsed and refractory germ cell tumors or metastatic sex cord stromal tumors is rarely effective and is often accompanied by high adverse event rates. Expression of CD30 has been observed in testicular cancers, and patients with CD30-expressing embryonal carcinomas have worse progression-free survival and overall survival than those with CD30-negative tumors. The objective of this study (NCT01461538) was to characterize the antitumor activity of brentuximab vedotin in patients with CD30-expressing nonlymphomatous malignancies. Enrolled patients included seven patients with relapsed or refractory germ cell tumors or metastatic sex cord stromal tumors described in this case series. MATERIALS AND METHODS: Forty patients with relapsed or refractory germ cell tumors, metastatic sex cord stromal tumors, or testicular tumors were screened for CD30 expression; 14 patients had tumors that expressed CD30. Seven patients with CD30-expressing testicular cancer were enrolled in the treatment study: five patients with germ cell tumors, one patient with a Leydig cell tumor, and one patient with a Sertoli cell tumor. Patients were treated with brentuximab vedotin at initial doses of 1.8 or 2.4 mg/kg every 3 weeks. Response assessments were performed at cycles 2 and 4 and every 4 cycles thereafter while the patient was receiving treatment. RESULTS: Two of seven patients achieved an objective response, including one durable complete response and one partial response at a single time point. Both responding patients had germ cell tumors. Treatment with brentuximab vedotin was generally well tolerated. CONCLUSION: Treatment of relapsed or refractory germ cell tumors with brentuximab vedotin can induce durable responses with a manageable toxicity profile. IMPLICATIONS FOR PRACTICE: This case series of seven patients with relapsed or refractory CD30-expressing germ cell tumors (GCTs) or sex cord stromal tumors demonstrates that brentuximab vedotin has activity against GCTs and is well tolerated in heavily pretreated patients with these aggressive tumor types. One patient achieved a complete response that has been durable for almost 4 years since the discontinuation of treatment with brentuximab vedotin. Therefore, brentuximab vedotin may be a valuable option for physicians who care for this difficult-to-treat patient population. PMID- 29222201 TI - Self-regulated use of a wearable activity sensor is not associated with improvements in physical activity, cardiometabolic risk or subjective health status. PMID- 29222203 TI - Type and frequency of side effects during PC6 acupuncture: observations from therapists and patients participating in clinical efficacy trials of acupuncture. AB - BACKGROUND: Many therapists practise PC6 acupuncture for emesis (nausea and vomiting) during pregnancy, different cancer therapies, palliative care, after surgery, or to induce relaxing effects in general. Knowledge of side effects is central to shared decision-making. AIM: To describe the type and frequency of side effects and the level of needle-induced pain during PC6 acupuncture. METHODS: We included 1298 PC6 acupuncture treatments, delivered to 221 participants (77% women, mean age 52.5, range 18-91 years). The subjects had received genuine PC6 acupuncture, in one of two previous randomised controlled trials, aimed at inducing antiemetic (n=100, with 100 providing data on side effects and 94 on needle-induced pain, respectively) or relaxing (n=121, with 120 providing data) effects. Side effects during and after the acupuncture treatments were registered in structured treatment protocols and study diaries. RESULTS: No serious complications occurred. Side effects during the acupuncture sessions included minor bleeding in 5.0%, tiredness in 4.9%, numbness in 4.5% and dizziness in 1.4% of the 1298 treatments. After treatment, the mean proportions of participants reporting side effects each week were: tiredness 25.8%; feeling cold 17.8%; dizziness 9.7%; sweating 9.3%; haematoma 8.8%; and soreness at the needling sites 4.3%. Participants perceived the needling to be not painful (47.4% of participants), or mildly (39.1%), moderately (11.6%) or very painful (1.4%). CONCLUSIONS: Few side effects occurred and those that did were mild. Nearly 90% found PC6 acupuncture to be not painful or only mildly painful. Healthcare professionals may consider the observed levels of side effects when informing patients about side effects of PC6 acupuncture. PMID- 29222205 TI - Novel use of a trabecular metal spacer in the treatment of a long-standing ulnar fracture non-union. AB - The use of trabecular metal (TM) implants in spine and joint surgery is well documented. However, their use has yet to be reported as an alternative to either allograft or autograft in the management of fracture non-unions. We present our experience in using a TM implant for treating a patient with a long-standing ulnar fracture non-union. Excision of devitalised bone resulted in a 17 mm defect which the TM implant was used to infill. The defect was then bridged with a locking plate. At 2-year clinical and radiographic review, bony union and a pain free return to full function was noted. In this case, the use of a TM implant avoided the morbidity associated with an iliac crest autograft. PMID- 29222206 TI - Catastrophic catheter-induced coronary artery vasospasm successfully rescued using intravascular ultrasound imaging guidance. AB - A 46-year-old man underwent coronary angiography for stable angina. He developed inferior ST-segment myocardial infarction during the angiography. Intravascular ultrasound (IVUS) findings suggested coronary vasospasm. Intracoronary administration of isosorbide dinitrate restored the coronary flow. This case illustrates the essential role IVUS imaging played in establishing the diagnosis of catheter-induced coronary vasospasm. PMID- 29222207 TI - Perineal aggressive angiomyxoma in a menopausal woman. AB - Aggressive angiomyxoma (AA) is an uncommon mesenchymal tumour that is principally located in the soft tissues of the pelvis and perineum of young women. The primary features of this benign tumour are a local invasion, a high local recurrence rate and non-specific local clinical signs. We describe the case of a 58-year-old woman, initially treated for a Bartholin's cyst. Histological examination indicated the presence of an AA. The MRI showed a 7 cm soft tissue mass extending from the lateral wall of the vagina, into the left buttock and down into the subcutaneous tissue. We performed a radical excision with wide resection, which is considered the standard gold treatment. PMID- 29222208 TI - Hypersomatotropism induced secondary polycythaemia leading to spontaneous pituitary apoplexy resulting in cure of acromegaly and remission of polycythaemia: 'The virtuous circle'. AB - A young man with subtle clinical features suggestive of hypersomatotropism presented with acute-onset severe headache. Relevant investigations confirmed polycythaemia and growth hormone (GH)-secreting pituitary macroadenoma with apoplexy. Secondary polycythaemia and myeloproliferative disorders were ruled out. At follow-up after 3 months, resolution of polycythaemia and acromegaly was observed, evident on normal haemoglobin levels, a normocellular marrow, and normal insulin-like growth factor-1 (IGF-1) with glucose-suppressed GH levels. Direct mitogenic properties of GH-IGF-1 axis on bone marrow progenitor cells may very rarely lead to erythroid hyperplasia and subsequent polycythaemia, reversible with successful therapy of acromegaly. In this case, polycythaemia secondary to hypersomatotropism likely resulted in pituitary apoplexy with subsequent remission of both acromegaly and resultant polycythaemia. PMID- 29222209 TI - Interhemispheric subdural and subarachnoid haemorrhage in a patient with amphetamine-induced vasculitis. PMID- 29222210 TI - Double duodenal perforation following foreign body ingestion. AB - Intentional ingestion of a foreign body in adults is a rare clinical presentation. This case is one of a 27-year-old Sudanese man who presented having swallowed a ballpoint pen intentionally. Clinical examination and plain chest radiograph exhibited no signs indicative of perforation with only a raised C reactive protein identified on blood tests. Subsequent gastroscopy revealed that the pen had simultaneously perforated the duodenum at both D1 and D3 requiring removal via a laparotomy. The patient fully recovered and was discharged 2 weeks postoperatively following psychiatric input. PMID- 29222211 TI - Lingual dyskinesia in hyperthyroidism. PMID- 29222212 TI - One long umbilical cord, four nuchal cord loops and a true knot. PMID- 29222214 TI - Treating patients with brain metastases has evolved: scalp-sparing, hippocampal avoidance whole brain radiotherapy with simultaneous integrated boost. PMID- 29222213 TI - Clinical examination and X-ray: an old approach to a current problem. PMID- 29222215 TI - Pulmonary embolism caused by thrombin-based haemostatic matrix. PMID- 29222217 TI - Necrotising pneumonia caused by non-PVL Staphylococcus aureus with 2-year follow up. AB - Necrotising pneumonia (NP) is a rare but life-threatening complication of pulmonary infection. It is characterised by progressive necrosis of lung parenchyma with cavitating foci evident upon radiological investigation. This article reports the case of a 52-year-old woman, immunocompetent healthcare professional presenting to Accident and Emergency with NP and Staphylococcus aureus septicaemia. The cavitating lesion was not identified on initial chest X ray leading to a delay in antimicrobial optimisation. However, the patient went on to achieve a full symptomatic recovery in 1 month and complete radiological recovery at 2-year follow-up. Long-term prognosis for adult cases of NP currently remains undocumented. This case serves as the first piece of published evidence documenting full physiological and radiological recovery following appropriate treatment of NP in an immunocompetent adult patient. PMID- 29222216 TI - Development of forced normalisation psychosis with ethosuximide. AB - A 50-year-old man with known multidrug resistant coexistent focal and generalised epilepsy was commenced on ethosuximide, with normalisation of his electroencephalogram and cessation of absence seizures. Within 3 weeks, he developed a rapidly worsening paranoid psychosis with visual and olfactory hallucinations. A month after the cessation of ethosuximide and concurrent treatment with olanzapine, his psychosis resolved and permitted reinitiation of ethosuximide at a lower dose without recurrence of psychotic symptoms. PMID- 29222218 TI - Fat embolism: a rare cause of perioperative renal transplant dysfunction. AB - Fat embolism is a recognised complication of bony injury and orthopaedic surgery, commonly involving the long bones and pelvis. We report on the case of a 68-year old renal transplant recipient who developed acute kidney injury following surgical stabilisation of metastatic carcinoma of the acetabulum and replacement of the proximal femur. A CT renal angiogram demonstrated a large fat embolus in the inferior vena cava (IVC) and left iliac veins below the level of IVC filter, with impaired renal perfusion. The risks of open or endovascular lipothrombectomy were felt to outweigh the potential benefits. The patient was managed with systemic anticoagulation and prepared for transplant failure. Subsequently, there was spontaneous improvement in urine output and 4 months postoperatively her transplant function had returned to her baseline level and this has remained stable at 1 year postsurgery. PMID- 29222219 TI - An uncommon diagnosis for a recurrent erythematous patch in a paediatric patient. AB - A 14-year-old girl presented with a circular erythematous patch over the left buttock for approximately 10 years, with ongoing ulceration and papules developing over the last 4 years. Punch biopsies were taken within and above the patch for diagnosis. Both revealed marked inflammatory infiltrates with atypical, irregular lymphocytes and increased mitosis. Immunostaining revealed CD8 positivity and a pan T helper cell phenotype. T cell receptor gene rearrangement analysis showed T cell clonality in both biopsies. These findings were consistent with mycosisfungoides and associated lymphomatoid papulosis. Both are rare conditions but have been associated in 5%-20% of cases. A definitive association has not yet been established; however, T cell monoclonality shows 50%-60% share a common origin. Management options are extensive with no one treatment showing superiority. Our patient received low-dose radiotherapy with good outcomes, but subsequently required further radiotherapy. PMID- 29222221 TI - Acute pancreatitis following oesophagogastroduodenoscopy. AB - Acute pancreatitis is a well-recognised complication of endoscopic procedures like endoscopic retrograde cholangiopancreatography but not oesophagogastroduodenoscopy (OGD). I report a case of a 33-year-old woman, admitted with severe epigastric pain and vomiting 2 hours after an elective OGD for evaluation of chronic gastrointestinal symptoms. Pancreatitis was diagnosed on the basis of elevated lipase (40 790 U/L; normal 11-82) and findings on imaging studies. Other common causes of acute pancreatitis such as gallstones, alcohol and medications were ruled out. She had an extended hospital course because of severe disease, characterised by systemic inflammatory response syndrome, pleural effusion and ascites but was successfully managed conservatively with bowel rest, hydration and pain management. Acute pancreatitis should be considered a rare complication of OGD and should be considered in differential diagnosis for abdominal pain post OGD. Pathogenesis is likely from direct trauma to pancreas or gas insufflation. PMID- 29222220 TI - Pleural lipoma clinically mimicking the presentation of superior sulcus tumour upon initial evaluation. AB - Here we present a case of a large pleural lipoma which presented with paresthesias of the hand. This is an unusual presentation of an uncommon tumour. PMID- 29222222 TI - Inguinoscrotal herniation of a caecal adenocarcinoma. AB - An 84-year-old man with multiple comorbidities presented from a residential care home with a 1-month history of asthenia and moderate abdominal pain. On examination, he was found to have an irreducible right-sided inguinoscrotal hernia. Subsequent blood tests revealed a significant anaemia (haemoglobin 48 g/L), for which he was transfused. A CT scan of the abdomen and pelvis revealed a large caecal tumour, herniating through the right inguinal canal into the scrotum. The patient underwent an elective open right hemicolectomy with inguinal hernia defect repair, from which he recovered well. He was discharged from the ward 12 days postoperatively and is awaiting outpatient follow-up. PMID- 29222223 TI - CSF ferritin predicts CSF Abeta decline in biomarker-determined Alzheimer's disease. PMID- 29222224 TI - Subthalamotomy for Parkinson's disease: clinical outcome and topography of lesions. AB - OBJECTIVE: Subthalamotomy is an effective alternative for the treatment of Parkinson's disease (PD). However, uncertainty about the optimal target location and the possibility of inducing haemichorea-ballism have limited its application. We assessed the correlation between the topography of radiofrequency-based lesions of the subthalamic nucleus (STN) with motor improvement and the emergence of haemichorea-ballism. METHODS: Sixty-four patients with PD treated with subthalamotomy were evaluated preoperatively and postoperatively using the Unified Parkinson's Disease Rating Scale motor score (UPDRSm), MRI and tractography. Patients were classified according to the degree of clinical motor improvement and dyskinesia scale. Lesions were segmented on MRI and averaged in a standard space. We examined the relationship between the extent of lesion-induced disruption of fibres surrounding the STN and the development of haemichorea ballism. RESULTS: Maximum antiparkinsonian effect was obtained with lesions located within the dorsolateral motor region of the STN as compared with those centre-placed in the dorsal border of the STN and the zona incerta (71.3%, 53.5% and 20.8% UPDRSm reduction, respectively). However, lesions that extended dorsally beyond the STN showed lower probability of causing haemichorea-ballism than those placed entirely within the nucleus. Tractography findings indicate that interruption of pallidothalamic fibres probably determines a low probability of haemichorea-ballism postoperatively. CONCLUSIONS: The topography of the lesion is a major factor in the antiparkinsonian effect of subthalamotomy in patients with PD. Lesions involving the motor STN and pallidothalamic fibres induced significant motor improvement and were associated with a low incidence of haemichorea-ballism. PMID- 29222225 TI - Letter by Rasmussen et al Regarding Article, "Anesthesia-Related Outcomes for Endovascular Stroke Revascularization: A Systematic Review and Meta-Analysis". PMID- 29222226 TI - Letter by Spence Regarding Article, "Serum Potassium Is Positively Associated With Stroke and Mortality in the Large, Population-Based Malmo Preventive Project Cohort". PMID- 29222227 TI - PINGS (Phone-Based Intervention Under Nurse Guidance After Stroke): Interim Results of a Pilot Randomized Controlled Trial. AB - BACKGROUND AND PURPOSE: Stroke exacts an immense toll in sub-Saharan Africa where there are few resources, and stroke prevention research is limited. The aim of this study is to test the feasibility and preliminary efficacy of an m-Health technology-enabled, nurse-guided intervention in improving blood pressure (BP) control among Ghanaian stroke patients within 1 month of symptom onset. METHODS: We conducted a 2-arm cluster pilot randomized controlled trial involving 60 recent stroke survivors encountered within a single tertiary medical system in Ghana. Subjects in the intervention arm (n=30) received a Blue-toothed UA-767Plus BT BP device and smartphone for monitoring and reporting BP measurements and medication intake for 3 months compared with standard of care (n=30). Primary outcome measure was systolic BP <140 mm Hg at month 3; secondary outcomes included medication adherence and autonomous self-regulation. Analysis accounting for clustering was made using generalized linear mixed model by intention to treat. RESULTS: Mean+/-SD age was 55+/-13 years, 65% male. Systolic BP <140 mm Hg at month 3 was found in 20/30 subjects (66.7%) in the intervention arm versus 14/30 subjects (46.7%) in the control arm (P=0.12). Medication possession ratio scores at month 3 were better in the intervention (0.88+/-0.40) versus control (0.64+/-0.45) arm (P=0.03). One subject in control arm died from a recurrent hemorrhagic stroke. CONCLUSIONS: It is feasible to conduct an m-Health-based, nurse-guided BP control intervention among recent stroke patients in sub-Saharan Africa. We observed a potential signal of efficacy with the intervention, which will need to be tested in a future large definitive study. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT02568137. PMID- 29222228 TI - Response by Brinjikji et al to Letter Regarding Article, "Anesthesia-Related Outcomes for Stroke Revascularization: A Systematic Review and Meta-Analysis". PMID- 29222229 TI - Visual Aids for Patient, Family, and Physician Decision Making About Endovascular Thrombectomy for Acute Ischemic Stroke. AB - BACKGROUND AND PURPOSE: Rapid decision making optimizes outcomes from endovascular thrombectomy for acute cerebral ischemia. Visual displays facilitate swift review of potential outcomes and can accelerate decision processes. METHODS: From patient-level, pooled randomized trial data, 100 person-icon arrays (Kuiper-Marshall personographs) were generated showing beneficial and adverse effects of endovascular thrombectomy for patients with acute cerebral ischemia and large vessel occlusion using (1) automated (algorithmic) and (2) expert guided joint outcome table specification. RESULTS: For the full 7-category modified Rankin Scale, thrombectomy added to IV tPA (intravenous tissue-type plasminogen activator) alone had number needed to treat to benefit 2.9 (95% confidence interval, 2.6-3.3) and number needed to harm 68.9 (95% confidence interval, 40-250); thrombectomy for patients ineligible for IV tPA had number needed to treat to benefit 2.3 (95% confidence interval, 2.1-2.5) and number needed to harm 100 (95% confidence interval, 62.5-250). Visual displays of treatment effects on 100 patients showed: with thrombectomy added to IV tPA alone, 34 patients have better disability outcome, including 14 more normal or near normal (modified Rankin Scale, 0-1); with thrombectomy for patients ineligible for IV tPA, 44 patients have a better disability outcome, including 16 more normal or nearly normal. Displays also showed that harm (increased modified Rankin Scale final disability) occurred in 1 of 100 patients in both populations, mediated by increased new territory infarcts. The person-icon figures integrated these outcomes, and early side-effects, in a single display. CONCLUSIONS: Visual decision aids are now available to rapidly educate healthcare providers, patients, and families about benefits and risks of endovascular thrombectomy, both when added to IV tPA in tPA-eligible patients and as the sole reperfusion treatment in tPA-ineligible patients. PMID- 29222230 TI - Response by Johnson and Soderholm to Letter Regarding Article, "Serum Potassium Is Positively Associated With Stroke and Mortality in the Large, Population-Based Malmo Preventive Project Cohort". PMID- 29222231 TI - AL amyloidosis: from molecular mechanisms to targeted therapies. AB - Systemic amyloidosis is caused by misfolding and extracellular deposition of circulating proteins as amyloid fibrils, resulting in the dysfunction of vital organs. The most common systemic amyloidosis, light-chain (AL) amyloidosis, is caused by misfolded light chains produced by a small, dangerous B-cell clone. The process of amyloid formation, organ targeting, and damage is multifaceted and, after disease initiation, the complexity of the downstream pathogenic cascade increases, rendering its control a challenge. Because of the progressive nature of the disease, early diagnosis to prevent end-stage organ damage is vital. Improving awareness and systematic use of biomarkers of organ damage in screening populations at risk may improve the still unsatisfactory diagnostic process. Amyloid imaging is now emerging as an important companion of biomarkers in formulating the diagnosis and prognosis and monitoring the effects of therapy. An accurate diagnosis is the basis for appropriate therapy that is risk-adapted and response-tailored. Effective treatments targeting the clone and rapidly and profoundly reducing the amyloid light chains have produced marked improvements in overall survival, making AL amyloidosis the most successful model of all amyloidoses. New therapies targeting the amyloid deposits are now under development, together with novel agents modulating light chain aggregation and proteotoxicity. The future of AL amyloidosis treatment is combination therapy and will require an innovative collaborative model for a rapid translation from bench to bedside with the ultimate aim of achieving a cure for this complex disease. PMID- 29222232 TI - Minimal residual disease in adult ALL: technical aspects and implications for correct clinical interpretation. AB - Nowadays, minimal residual disease (MRD) is accepted as the strongest independent prognostic factor in acute lymphoblastic leukemia (ALL). It can be detected by molecular methods that use leukemia-specific or patient-specific molecular markers (fusion gene transcripts, or immunoglobulin/T-cell receptor [IG/TR] gene rearrangements), and by multi-parametric flow cytometry. The sensitivity and specificity of these methods can vary across treatment time points and therapeutic settings. Thus, knowledge of the principles and limitations of each technology is of the utmost importance for correct interpretation of MRD results. Time will tell whether new molecular and flow cytometric high-throughput technologies can overcome the limitations of current standard methods and eventually bring additional benefits. MRD during standard ALL chemotherapy is the strongest overall prognostic indicator and has therefore been used for refining initial treatment stratification. Moreover, MRD positivity after the maintenance phase of treatment may point to an impending relapse and thus enable salvage treatment to be initiated earlier, which could possibly improve treatment results. The prognostic relevance of pretransplantation MRD was shown by several studies, and MRD high-risk patients were shown to benefit from stem cell transplantation (SCT). Also, MRD positivity after SCT correlates with worse outcomes. In addition, MRD information is very instructive in current clinical trials that test novel agents to evaluate their treatment efficacy. Although conventional clinical risk factors lose their independent prognostic significance when combined with MRD information, recently identified genetic markers may further improve the treatment stratification in ALL. PMID- 29222233 TI - Current management of Philadelphia chromosome positive ALL and the role of stem cell transplantation. AB - Treatment of Philadelphia chromosome positive acute lymphoblastic leukemia exemplifies how the addition of potent targeted agents, directed at the molecular aberrations responsible for leukemic transformation, can overcome resistance mechanisms to traditional regimens and lead to improved outcomes. The introduction of BCR-ABL1 targeted tyrosine kinase inhibitors (TKIs) has significantly improved the outcomes not only by allowing more patients to undergo allogeneic hematopoietic cell transplantation (alloHCT) but also by decreasing our reliance on this potentially toxic strategy, particularly in the less fit population. Long-term data using chemotherapy and TKI combinations demonstrate that a proportion of patients treated can achieve durable relapse-free survival without undergoing alloHCT. Furthermore, the availability of sensitive minimal residual disease monitoring assays may allow early detection of the patients who are more likely to relapse and who are likely candidates for early alloHCT. The emergence of more potent TKIs with significant activity against resistant mutations has allowed deintensification of chemotherapy regimens. Available data indicate that complete reliance on TKIs, alone or with minimal additional therapy, and elimination of more intensive chemotherapy or alloHCT is unlikely to achieve long term cure in most patients. However, introduction of other highly effective agents that can be combined with TKIs may allow further minimization of chemotherapy and alloHCT in the future, as we have witnessed in acute promyelocytic leukemia. PMID- 29222234 TI - Progress in adult ALL: incorporation of new agents to frontline treatment. AB - Treatment of acute lymphoblastic leukemia (ALL) in adults remains a challenge, as the delivery of intensive chemotherapeutic regimens in this population is less feasible than it is in the pediatric population. This has led to higher rates of treatment-related toxicity as well as lower overall survival in the adult population. Over the past several years, a host of novel therapies (eg, immunotherapy and targeted therapies) with better tolerability than traditional chemotherapy are now being introduced into the relapsed/refractory population with very encouraging results. Additionally, insights into how to choose effective therapies for patients while minimizing drug toxicity through pharmacogenomics and the use of minimal residual disease (MRD) monitoring to escalate/de-escalate therapy have enhanced our ability to reduce treatment related toxicity. This has led to the design of a number of clinical trials which incorporate both novel therapeutics as well as MRD-directed treatment pathways into the frontline setting. The use of increasingly personalized treatment strategies for specific disease subsets combined with standardized and rapid molecular diagnostic testing in the initial diagnosis and frontline treatment of ALL will hopefully lead to further improvements in survival for our adult patients. PMID- 29222235 TI - Classification and risk assessment in AML: integrating cytogenetics and molecular profiling. AB - In recent years, the composite molecular architecture in acute myeloid leukemia (AML) has been mapped out. We now have a clearer understanding of the key genetic determinants, the major genetic interactions, and the broad order in which these mutations occur. The next impending challenge is to discern how these recent genomic discoveries define disease biology as well as how to use molecular markers to deliver patient-tailored clinical decision support. PMID- 29222236 TI - How and when to decide between epigenetic therapy and chemotherapy in patients with AML. AB - Remission induction with chemotherapy has long been the frontline treatment of acute myeloid leukemia (AML). However, intensive therapy is limited in frail patients by its associated toxicity and higher rates of failure or relapse in patients with chemoresistant disease, such as secondary AML or poor-risk cytogenetics. Frailty and chemoresistance are more frequent in older adults with AML. In recent years, epigenetic therapies with the hypomethylating agents decitabine and azacitidine have been thoroughly explored in AML. The results of two pivotal studies carried out with these agents in older adults with newly diagnosed AML have challenged the role of intensive chemotherapy as the frontline treatment option in this high-risk population. Here, we review the results of treatment with intensive chemotherapy and hypomethylating agents in older patients with AML; discuss the patient- and disease-specific criteria to integrate into treatment decision making; and also, highlight the methodological limitations of cross-study comparison in this population. PMID- 29222237 TI - The role of targeted therapy in the management of patients with AML. AB - Drug therapy for acute myeloid leukemia (AML) is finally undergoing major changes in 2017. This is due to the US Food and Drug Administration's approval of several new, targeted agents (midostaurin, enasidenib, and gemtuzumab ozogamicin). Paired with the recent approval of a novel liposomal formulation of daunorubicin/cytarabine (CPX-351/Vyxeos), the standard of care is changing rapidly in AML for subgroups. This review will focus on currently approved agents and promising novel agents in development and will highlight controversial areas in targeted treatment. PMID- 29222238 TI - Clinical implications of somatic mutations in aplastic anemia and myelodysplastic syndrome in genomic age. AB - Recent technological advances in genomics have led to the discovery of new somatic mutations and have brought deeper insights into clonal diversity. This discovery has changed not only the understanding of disease mechanisms but also the diagnostics and clinical management of bone marrow failure. The clinical applications of genomics include enhancement of current prognostic schemas, prediction of sensitivity or refractoriness to treatments, and conceptualization and selective application of targeted therapies. However, beyond these traditional clinical aspects, complex hierarchical clonal architecture has been uncovered and linked to the current concepts of leukemogenesis and stem cell biology. Detection of clonal mutations, otherwise typical of myelodysplastic syndrome, in the course of aplastic anemia (AA) and paroxysmal nocturnal hemoglobinuria has led to new pathogenic concepts in these conditions and created a new link between AA and its clonal complications, such as post-AA and paroxysmal nocturnal hemoglobinuria. Distinctions among founder vs subclonal mutations, types of clonal evolution (linear or branching), and biological features of individual mutations (sweeping, persistent, or vanishing) will allow for better predictions of the biologic impact they impart in individual cases. As clonal markers, mutations can be used for monitoring clonal dynamics of the stem cell compartment during physiologic aging, disease processes, and leukemic evolution. PMID- 29222239 TI - Aging, hematopoiesis, and the myelodysplastic syndromes. AB - The aging hematopoietic system undergoes numerous changes, including reduced production of red blood cells and lymphocytes as well as a relative increase in the production of myeloid cells. Emerging evidence indicates that many of these changes are due to selection pressures from cell-intrinsic and cell-extrinsic factors that result in clonal shifts in the hematopoietic stem cell (HSC) pool, resulting in predominant HSC clones that exhibit the functional characteristics associated with HSC aging. Given the recent descriptions of clonal hematopoiesis in aged populations, the increased risk of developing hematologic malignancies in individuals with clonal hematopoiesis, and the many similarities in hematopoietic aging and acquired bone marrow failure (BMF) syndromes, such as myelodysplastic syndromes (MDS), this raises significant questions regarding the relationship between aging hematopoiesis and MDS, including the factors that regulate HSC aging, whether clonal hematopoiesis is required for the development of MDS, and even whether BMF is an inevitable consequence of aging. In this article, we will review our current understanding of these processes and the potential intersections among them. PMID- 29222240 TI - Old and new tools in the clinical diagnosis of inherited bone marrow failure syndromes. AB - Patients with inherited bone marrow failure syndromes (IBMFSs) classically present with specific patterns of cytopenias along with congenital anomalies and/or other physical features that are often recognizable early in life. However, increasing application of genomic sequencing and clinical awareness of subtle disease presentations have led to the recognition of IBMFS in pediatric and adult populations more frequently than previously realized, such as those with early onset myelodysplastic syndrome (MDS). Given the well-defined differences in clinical management needs and outcomes for aplastic anemia, acute myeloid leukemia, and MDS in patients with an IBMFS vs those occurring sporadically, as well as nonhematologic comorbidities in patients with IBMFSs, it is critical for hematologists to understand how to approach screening for the currently known IBMFSs. This review presents a practical approach for the clinical hematologist that outlines when to suspect an IBMFS and how to use various diagnostic tools, from physical examination to screening laboratory tests and genomics, for the diagnosis of the most frequent IBMFSs: Fanconi anemia, telomere biology disorders, Diamond-Blackfan anemia, GATA2 deficiency syndrome, Shwachman-Diamond syndrome, and severe congenital neutropenia. PMID- 29222241 TI - Inherited bone marrow failure syndromes: considerations pre- and posttransplant. AB - Patients with inherited bone marrow failure syndromes are usually identified when they develop hematologic complications such as severe bone marrow failure, myelodysplastic syndrome, or acute myeloid leukemia. They often have specific birth defects or other physical abnormalities that suggest a syndrome, and sequencing of specific genes or next-generation sequencing can determine or confirm the particular syndrome. The 4 most frequent syndromes are Fanconi anemia, dyskeratosis congenita, Diamond Blackfan anemia, and Shwachman Diamond syndrome. This review discusses the major complications that develop as the patients with these syndromes age, as well as additional late effects following hematopoietic stem cell transplantation. The most common complications are iron overload in transfused patients and syndrome-specific malignancies in untransplanted patients, which may occur earlier and with higher risks in those who have received transplants. PMID- 29222242 TI - Treatment of inherited bone marrow failure syndromes beyond transplantation. AB - Despite significant progress in transplantation by the addition of alternative hematopoietic stem cell sources, many patients with inherited bone marrow failure syndromes are still not eligible for a transplant. In addition, the availability of sequencing panels has significantly improved diagnosis by identifying cryptic inherited cases. Androgens are the main nontransplant therapy for bone marrow failure in dyskeratosis congenita and Fanconi anemia, reaching responses in up to 80% of cases. Danazol and oxymetholone are more commonly used, but virilization and liver toxicity are major adverse events. Diamond-Blackfan anemia is commonly treated with corticosteroids, but most patients eventually become refractory to this treatment and toxicity is limiting. Growth factors still have a role in inherited cases, especially granulocyte colony-stimulating factor in congenital neutropenias. Novel therapies are warranted and thrombopoietin receptor agonists, leucine, quercetin, and novel gene therapy approaches may benefit inherited cases in the future. PMID- 29222243 TI - Treatment-free remission in CML: who, how, and why? AB - Chronic myeloid leukemia (CML) is the best example of successful targeted therapy. Today, the overall survival of patients with CML treated by using tyrosine kinase inhibitors (TKIs) is very close to that of the healthy population. The current question is: how can we further ameliorate the clinical outcome of patients with CML? Clinical trials have shown that some patients with CML in the chronic phase who achieve sustained deep molecular responses on TKI therapy can safely suspend therapy with no evidence of relapse. The long follow up studies and the number of eligible patients have now validated the concept of treatment-free remission (ie, the ability to maintain a molecular response after stopping therapy). It should be considered as the future criterion to evaluate the success of clinical trials, especially if we want to take into account the quality of life of patients in addition to the economic aspect. Because post-TKI discontinuation follow-ups have been increasing over time with no evidence of relapse in some patients, the next step for the coming decade will be to address the topic of CML cure. PMID- 29222244 TI - Cardiovascular care of patients with chronic myeloid leukemia (CML) on tyrosine kinase inhibitor (TKI) therapy. AB - Cardiovascular (CV) health has emerged as an important consideration in patients with chronic myeloid leukemia (CML) because of improved prognosis. Indeed, the success of BCR-ABL1 tyrosine kinase inhibitors (TKIs) has increased the focus on survivorship and late toxicity in oncological care. Survivorship issues in this population include CV disease prevention, given its prevalence in the general population. The introduction of BCR-ABL1 TKIs represented a unique concept of indefinite cancer therapy, only recently evolving to include "treatment-free remission." Importantly, later-generation BCR-ABL1 TKIs have been associated with CV complications. Dasatinib has been associated with pleural/pericardial effusions and pulmonary hypertension, whereas nilotinib and ponatinib have been linked to the development of vascular occlusive events. There is currently a dearth of data with respect to the mechanisms of drug toxicities, the subsets of patients at risk, and prevention and treatment strategies to mitigate CV complications in patients with CML. Nevertheless, optimal patient CV risk assessment needs to become a more central tenet of patient care in CML. We propose several practical considerations for the practicing oncologist relative to the CV health of patients with CML, especially those on chronic TKI therapy. PMID- 29222245 TI - Novel approaches to therapy in CML. AB - Treatment with tyrosine kinase inhibitors (TKIs) results in remission and prolongation of survival in most chronic myeloid leukemia (CML) patients but fails to eliminate the leukemia stem cells (LSCs) responsible for disease development and propagation. This accounts for the clinical observation that TKI discontinuation leads to rapid leukemia relapse. Most patients require continued treatment to prevent relapse, with associated risk of relapse, toxicity, teratogenic effects, financial burden, and noncompliance. Understanding LSC resistance to TKI and development of strategies to increase the proportion of CML patients achieving treatment-free remissions is a critical area of investigation in CML. In addition, LSCs are the source of TKI resistance, relapse, or disease progression, which is another major area of need in CML treatment. It is now understood that BCR-ABL kinase-independent mechanisms are responsible for retention of LSC subpopulations. It is likely that both cell-intrinsic and microenvironmental mechanisms contribute to LSC maintenance. Here, we review the current understanding of mechanisms underlying persistence of CML LSCs during TKI treatment, recently described approaches to target these cells and emerging clinical trials, and the challenges impeding more rapid progress in achieving cures for a greater number of CML patients. PMID- 29222246 TI - Incidental venous thromboembolism: is anticoagulation indicated? AB - Patients with cancer have a high risk of venous thromboembolism (VTE) and about one-half of these events are incidentally detected. The prognosis of incidental VTE appears to be similar to symptomatic events, with comparably high rates of recurrent VTE in this patient population. In the absence of major contraindications, anticoagulant treatment with low-molecular-weight heparin for 3 to 6 months is generally recommended for incidental proximal deep vein thrombosis as well as for incidental pulmonary embolism that involves multiple subsegmental or more proximal pulmonary arteries. The decision of whether to extend treatment beyond 3 to 6 months should be evaluated on a case-by-case basis after periodic reassessment of the risks factors for bleeding and recurrent VTE while also taking into account patient preferences. The clinical relevance of a single incidental subsegmental pulmonary embolism without concomitant deep vein thrombosis is uncertain and either a watchful approach or a shorter course of anticoagulation to minimize the bleeding risk may also be considered. Preliminary evidence suggests that anticoagulation treatment may be beneficial for cancer patients with incidental distal deep vein thrombosis or incidental splanchnic vein thrombosis. PMID- 29222247 TI - When can we stop anticoagulation in patients with cancer-associated thrombosis? AB - The optimal duration of anticoagulant therapy in patients with cancer-associated venous thromboembolism (VTE) is unknown. Without well-designed studies evaluating the efficacy, safety, and cost-effectiveness of continuing anticoagulant therapy beyond the acute treatment period of 3 to 6 months, evidence-based recommendations are lacking. Consensus guidelines generally suggest continuing anticoagulation treatment in patients with active cancer or receiving cancer treatment, with periodic reassessment of the risks and benefits. Unfortunately, with very little published data on the epidemiology of cancer-associated VTE beyond the initial 6 months, it is not possible for clinicians and patients to weigh risks and benefits in a quantitatively informed manner. Further research is needed to provide reliable and contemporary estimates on the risk of recurrent VTE off anticoagulant therapy, risk of bleeding on anticoagulant therapy, case fatality or all-cause mortality, and other important consequences of living with cancer-associated VTE. This chapter provides an overview of the published literature on real-world data on anticoagulant therapy use, the risks and risk factors of recurrent VTE and bleeding, and patient preference and values regarding long-term anticoagulation treatment. It will conclude with a pragmatic, experience-informed approach for tailoring anticoagulant therapy in patients with cancer-associated VTE. PMID- 29222248 TI - Direct oral anticoagulants: now also for prevention and treatment of cancer associated venous thromboembolism? AB - Data on specific studies in cancer patients using direct oral anticoagulants (DOACs) for the prevention and treatment of venous thromboembolism (VTE) are still scarce. For preventing VTE with DOACs, current experience is still very limited, so definite conclusions cannot yet be drawn. However, DOACs have so far been compared with vitamin K antagonists (VKAs) in patients with acute VTE in 5 studies, and several hundreds of patients included in these studies had either active cancer, a history of cancer, or a new occurrence of cancer during the course of disease. Meta-analyses have revealed an at least similar efficacy and safety profile of DOACs compared with VKAs. A number of studies of cancer patients investigating primary prevention and treatment are underway, and some will be finalized soon. Nevertheless, we might need further trials, specifically on the prevention of VTE in patients who are at particularly high risk. This article also includes a personal opinion on the use of DOACs in cancer patients. In conclusion, the currently available data show that DOACs might be safe and efficacious in the treatment of VTE, however, this has yet to be proven in specifically designed trials in patients with cancer. With regard to prevention, thus far, even less data exist, and the outcomes of the ongoing studies have to be evaluated before DOACs may be used for primary prevention. PMID- 29222250 TI - Iron deficiency in gynecology and obstetrics: clinical implications and management. AB - Iron deficiency is the commonest cause of anemia during pregnancy; however, its prevalence is highly determined by nutritional and socioeconomic status. Oral iron is the frontline therapy, but is often poorly tolerated. Awareness of the available intravenous formulations is essential for management. Before delivery, risk factors such as multiparity and heavy uterine bleeding increase the prevalence of iron deficiency and should be motivation for early diagnosis and treatment. Neonates born with iron deficiency have a statistically significant increment in both cognitive and behavioral abnormalities that persist after repletion, highlighting the need for heightened awareness of the diagnosis. A smartphone application providing information on nutrition and treatment is provided. New formulations of intravenous iron with carbohydrate cores, which bind elemental iron more tightly, minimize the release of labile free iron to allow complete replacement doses of intravenous iron in 15 to 60 minutes, facilitating and simplifying care. PMID- 29222249 TI - Thrombocytopenia in pregnancy. AB - Thrombocytopenia develops in 5% to 10% of women during pregnancy or in the immediate postpartum period. A low platelet count is often an incidental feature, but it might also provide a biomarker of a coexisting systemic or gestational disorder and a potential reason for a maternal intervention or treatment that might pose harm to the fetus. This chapter reflects our approach to these issues with an emphasis on advances made over the past 5 to 10 years in understanding and managing the more common causes of thrombocytopenia in pregnancy. Recent trends in the management of immune thrombocytopenia translate into more women contemplating pregnancy while on treatment with thrombopoietin receptor agonists, rituximab, or mycophenylate, which pose known or unknown risks to the fetus. New criteria to diagnose preeclampsia, judicious reliance on measurement of ADAMTS13 to make management decisions in suspected thrombotic thrombocytopenic purpura, new evidence supporting the efficacy and safety of anticomplement therapy for atypical hemolytic uremic syndrome during pregnancy, and implications of thrombotic microangiopathies for subsequent pregnancies are evolving rapidly. The goals of the chapter are to help the hematology consultant work through the differential diagnosis of thrombocytopenia in pregnancy based on trimester of presentation, severity of thrombocytopenia, and coincident clinical and laboratory manifestations, and to provide guidance for dealing with some of the more common and difficult diagnostic and management decisions. PMID- 29222251 TI - Preventing venous thromboembolism during pregnancy and postpartum: crossing the threshold. AB - When should a patient with a known thrombophilia or prior venous thromboembolism (VTE) receive low-molecular-weight heparin (LMWH) prophylaxis during pregnancy and/or the postpartum period? Accurately predicting thrombotic and bleeding risks and knowing what to do with this information is at the heart of decision-making in these challenging scenarios. This article will explore the concept of a risk threshold from clinician and patient perspectives and provide guidance for the use of antepartum and postpartum LMWH prophylaxis in women with a known thrombophilia or prior VTE. Advice for the management of LMWH prophylaxis use around labor and delivery is also reviewed. PMID- 29222252 TI - Diagnosis and management of postpartum ovarian vein thrombosis. AB - CASE PRESENTATION: A 26-year-old woman experienced persistent fever (39.5 degrees C), chills, and right-lower-quadrant tenderness 3 days after caesarean delivery. A computed tomography (CT) scan of the abdomen and pelvis with contrast revealed enlargement of her right ovarian vein with an associated intraluminal filling defect. What is the best treatment of this patient? PMID- 29222253 TI - New monogenic disorders identify more pathways to neutropenia: from the clinic to next-generation sequencing. AB - Neutrophils are the most common type of leukocyte in human circulating blood and constitute one of the chief mediators for innate immunity. Defined as a reduction from a normal distribution of values, neutropenia results from a number of congenital and acquired conditions. Neutropenia may be insignificant, temporary, or associated with a chronic condition with or without a vulnerability to life threatening infections. As an inherited bone marrow failure syndrome, neutropenia may be associated with transformation to myeloid malignancy. Recognition of an inherited bone marrow failure syndrome may be delayed into adulthood. The list of monogenic neutropenia disorders is growing, heterogeneous, and bewildering. Furthermore, greater knowledge of immune-mediated and drug-related causes makes the diagnosis and management of neutropenia challenging. Recognition of syndromic presentations and especially the introduction of next-generation sequencing are improving the accuracy and expediency of diagnosis as well as their clinical management. Furthermore, identification of monogenic neutropenia disorders is shedding light on the molecular mechanisms of granulopoiesis and myeloid malignancies. PMID- 29222254 TI - Chronic neutropenia in LGL leukemia and rheumatoid arthritis. AB - This section reviews the diagnostic criteria and pathogenesis of large granular lymphocyte (LGL) leukemia. There is a particular focus on the overlap of LGL leukemia and rheumatoid arthritis (Felty's syndrome). Current understanding of the mechanisms of neutropenia in these disorders is discussed. Finally, treatment indications and therapeutic recommendations are outlined. PMID- 29222256 TI - Shall we treat smoldering multiple myeloma in the near future? AB - In recent years, several new drugs have been approved for the treatment of multiple myeloma. Many of these newer drugs are highly efficacious and less toxic than older chemotherapy drugs. In 2014, the diagnostic criteria for multiple myeloma were revised. The intent with the new criteria was to identify patients who require therapy at an earlier stage than at manifestation of organ complications. A subset of patients who were previously defined as having high risk smoldering multiple myeloma was redefined as having multiple myeloma. In this context, it is logical to raise questions regarding the optimal clinical management of patients who are diagnosed with smoldering multiple myeloma in the current era. When is the optimal time to start therapy? Do the clinical trajectories for patients suggest there are distinct sub-entities hidden in the current category of smoldering multiple myeloma? How can we move the field forward from here? This paper reviews and dissects data and models on the topics of clinical features, underlying biology, and early treatment trials in smoldering multiple myeloma. The text highlights assumptions, facts, and gaps in the literature. As indicated in the title of the paper, the recurrent theme of the text is this: shall we treat smoldering multiple myeloma in the near future? PMID- 29222255 TI - Non-chemotherapy drug-induced neutropenia: key points to manage the challenges. AB - Non-chemotherapy idiosyncratic drug-induced neutropenia (IDIN) is a relatively rare but potentially fatal disorder that occurs in susceptible individuals, with an incidence of 2.4 to 15.4 cases per million population. Affected patients typically experience severe neutropenia within several weeks to several months after first exposure to a drug, and mortality is ~5%. The drugs most frequently associated with IDIN include metamizole, clozapine, sulfasalazine, thiamazole, carbimazole, amoxicillin, cotrimoxazole, ticlopidine, and valganciclovir. The idiosyncratic nature of IDIN, the lack of mouse models and diagnostic testing, and its low overall incidence make rigorous studies to elucidate possible mechanisms exceptionally difficult. An immune mechanism for IDIN involving neutrophil destruction by hapten (drug)-specific antibodies and drug-induced autoantibodies is frequently suggested, but strong supporting evidence is lacking. Although laboratory testing for neutrophil drug-dependent antibodies is rarely performed because of the complexity and low sensitivity of tests currently in use, these assays could possibly be enhanced by using reactive drug metabolites in place of the parent drug. Patients typically experience acute, severe neutropenia, or agranulocytosis (<0.5 * 109 neutrophils/L) and symptoms of fever, chills, sore throat, and muscle and joint pain. Diagnosis can be difficult, but timely recognition is critical because if left untreated, there is an increase in mortality. Expanded studies of the production and mechanistic role of reactive drug metabolites, genetic associations, and improved animal models of IDIN are essential to further our understanding of this important disorder. PMID- 29222257 TI - Is molecular remission the goal of multiple myeloma therapy? AB - The increased number of effective therapies and the wider use of combinations that give deeper remissions have resulted in a reassessment of the goals of myeloma therapy. With the advent of new therapeutic strategies and diagnostic tools, achievement of minimal residual disease (MRD)-negative status has become increasingly important, with some even considering it as the primary endpoint for therapy. The level of MRD that is aimed for is a continuous, rather than an absolute variable, with studies in both transplant-eligible and -noneligible patients showing that the level of MRD achieved is predictive of progression-free survival and overall survival, with an improvement in survival of approximately 1 year for each log-depletion in MRD level. The most widely used methods to assess MRD status include flow cytometry and clonality detection, using next-generation sequencing technologies with sensitivity limits of 1:10-3 to 1:10-6 The timing of when to assess MRD depends on the treatment used, as well as the molecular and cytogenetic subgroup of the myeloma itself. It is also becoming clear that the level of MRD negativity, as well as microenvironmental factors, are important prognostically, including the regeneration of normal plasma cells, and the normalization of the immune repertoire. With advances in antibody-based therapy and immunotherapy, the achievement of stable MRD states is now possible for a significant proportion of patients, and is a prerequisite for myeloma cure. PMID- 29222259 TI - Controversies in venous thromboembolism: to treat or not to treat superficial vein thrombosis. AB - The management of superficial vein thrombosis (SVT) is poorly defined and remains controversial overall. SVT has long been considered a benign, self-limited disease, but recent studies show that SVT carries a nonnegligible risk for recurrence, deep vein thrombosis, or pulmonary embolism. Current guidelines recommend the use of low-molecular-weight heparin or fondaparinux, but results of several surveys indicate that the majority of patients with SVT receive nonanticoagulant therapy only, which includes compression stockings or bandages, nonsteroidal anti-inflammatory drugs, topical application of heparin gel, or surgical interventions. However, several recent observational and interventional studies provide better insight into the optimal treatment of patients with SVT who are at different risks for thromboembolic complications. This educational review summarizes the available evidence and aims to provide practical guidance based on a clinical decision pathway. PMID- 29222258 TI - Fixed duration vs continuous therapy in multiple myeloma. AB - The introduction of new drugs with less severe toxicity profiles than those of conventional antimyeloma agents allowed the evaluation of continuous therapy compared with fixed duration therapy. In transplant-eligible patients, consolidation therapy with bortezomib or bortezomib-based regimens showed significant progression-free survival (PFS) benefit in cytogenetic standard-risk patients and to a lesser extent, high-risk patients. Continuous therapy with lenalidomide maintenance treatment after autologous stem cell transplantation resulted in a significant survival gain. In transplant noneligible patients, continuous lenalidomide-dexamethasone therapy improved survival over fixed duration melphalan-prednisone-thalidomide. The concept of prolonged treatment in elderly patients is supported by some other studies, but most of them revealed a gain in PFS only. Young patients with unfavorable prognosis show a greater willingness to accept long-term treatment, whereas the readiness to undergo such treatments and the benefits therefrom decline with increasing age and decreasing fitness, rendering fixed duration therapy a suitable option in elderly frail patients. PMID- 29222260 TI - Should we diagnose and treat distal deep vein thrombosis? AB - Ultrasound series report that isolated distal deep vein thrombosis (DVT), also known as calf DVT, represents up to 50% of all lower-limb DVTs and, therefore, is a frequent medical condition. Unlike proximal DVT and pulmonary embolism, which have been studied extensively and for which management is well standardized, much less is known about the optimal management of isolated calf DVT. Recent data arising from registries and nonrandomized studies have suggested that most distal DVTs do not extend to the proximal veins and have an uneventful follow-up when left untreated. These data had some impact on the international recommendations that recently stated that ultrasound surveillance instead of systematic therapeutic anticoagulation might be an option for selected low-risk patients. However, robust data from randomized studies are scarce. Only 5 randomized trials assessing the need for anticoagulation for calf DVT have been published. Many of these trials had an open-label design and were affected by methodological limitations. The only randomized placebo-controlled trial included low-risk patients (outpatients without cancer or previous venous thromboembolism [VTE]) and was hampered by limited statistical power. Nevertheless, data from this trial confirmed that the use of therapeutic anticoagulation in low-risk patients with symptomatic calf DVT is not superior to placebo in reducing VTE but is associated with a significantly higher risk of bleeding. Further randomized studies are needed to define the best therapy for high-risk patients (inpatients, patients with active cancer, or patients with previous VTE) and the optimal dose and duration of treatment. PMID- 29222261 TI - Symptomatic subsegmental pulmonary embolism: to treat or not to treat? AB - The introduction of computed tomographic pulmonary angiography and its recent increasing availability has led to a significant rise in its use to help clinicians diagnose acute pulmonary embolism (PE). This has led to a significant increase in the incidence of PE diagnoses. Simultaneously, the case fatality rate of acute PE has been decreasing and no significant change in its mortality has been noted, suggesting that the additional PE diagnoses are less severe and these patients might not benefit from anticoagulation therapy. This also seems to be correlated with an increase in the diagnosis of PE localized in the subsegmental pulmonary arteries (subsegmental pulmonary embolism [SSPE]). The clinical importance of SSPE is unclear. Whereas some studies have shown that it might be reasonable to manage patients with SSPE without anticoagulation, others have not. Although the current medical literature is limited, it suggests that a subgroup of patients with SSPE might be safely managed without the use of anticoagulant therapy. Current clinical practice guidelines suggest that clinicians take an individualized approach after carefully assessing the risk/benefit ratio for patients with SSPE and negative leg limb ultrasonography results. Prospective studies are ongoing and results are eagerly awaited to help tailor the management of this patient population. PMID- 29222262 TI - Pediatric leukemia susceptibility disorders: manifestations and management. AB - The clinical manifestations of inherited susceptibility to leukemia encompass a wide phenotypic range, including patients with certain congenital anomalies or early-onset myelodysplastic syndrome (MDS) and some with no obvious medical problems until they develop leukemia. Leukemia susceptibility syndromes occur as a result of autosomal dominant, autosomal recessive, or X-linked recessive inheritance, or de novo occurrence, of germline pathogenic variants in DNA repair, ribosome biogenesis, telomere biology, hematopoietic transcription factors, tumor suppressors, and other critical cellular processes. Children and adults with cytopenias, MDS, dysmorphic features, notable infectious histories, immunodeficiency, certain dermatologic findings, lymphedema, unusual sensitivity to radiation or chemotherapy, or acute leukemia with a family history of early onset cancer, pulmonary fibrosis, or alveolar proteinosis should be thoroughly evaluated for a leukemia susceptibility syndrome. Genetic testing and other diagnostic modalities have improved our ability to identify these patients and to counsel them and their family members for subsequent disease risk, cancer surveillance, and therapeutic interventions. Herein, the leukemia susceptibility syndromes are divided into 3 groups: (1) those associated with an underlying inherited bone marrow failure syndrome, (2) disorders in which MDS precedes leukemia development, and (3) those with a risk primarily of leukemia. Although children are the focus of this review, it is important for clinicians to recognize that inherited susceptibility to cancer can present at any age, even in older adults; genetic counseling is essential and prompt referral to experts in each syndrome is strongly recommended. PMID- 29222263 TI - Crisis management in the treatment of childhood acute lymphoblastic leukemia: putting right what can go wrong (emergency complications of disease and treatment). AB - The improvement in overall survival in children with acute lymphoblastic leukemia (ALL) over the last 5 decades has been considerable, with around 90% now surviving long term. The risk of relapse has been reduced to such an extent that the risk of treatment-related mortality is now approaching that of mortality caused by relapse. Toxicities may also lead to the suboptimal delivery of chemotherapy (treatment delays, dose reductions, dose omissions), potentially increasing relapse risk, and short- and long-term morbidity, adding to the "burden of therapy" in an increasing number of survivors. Thus, the need to reduce toxicity in pediatric ALL is becoming increasingly important. This work focuses on the risk factors, pathogenesis, clinical features, and emergency management of the life-threatening complications of ALL at presentation and during subsequent chemotherapy, including leucostasis, tumor lysis syndrome, infection, methotrexate encephalopathy, thrombosis, and pancreatitis. Potential strategies to abrogate these toxicities in the future are also discussed. PMID- 29222264 TI - Incorporation of nonchemotherapeutic agents in pediatric acute lymphoblastic leukemia. AB - With current available therapies, the prognosis for most children and adolescents with acute lymphoblastic leukemia (ALL) is favorable. However, the multiagent chemotherapy regimens used to treat newly diagnosed patients are associated with many acute and long-term complications, and therapy for relapsed disease is intensive and suboptimally effective. Over the last decade, several nonchemotherapeutic approaches have been evaluated, with the goal of identifying more effective, less toxic therapies that can be used in conjunction with, or even replace, current regimens. Novel nonchemotherapeutic therapies with activity in ALL include (1) tyrosine kinase inhibitors in high-risk patient subsets in whom potentially targetable alterations have been identified and (2) immunotherapeutic approaches, such as monoclonal antibodies, immunotoxins, bispecific T-cell-engaging antibodies, and chimeric antigen receptor T cells. This review summarizes promising results from recent clinical trials of these novel treatments. PMID- 29222265 TI - Iron overload in thalassemia: different organs at different rates. AB - Thalassemic disorders lie on a phenotypic spectrum of clinical severity that depends on the severity of the globin gene mutation and coinheritance of other genetic determinants. Iron overload is associated with increased morbidity in both patients with transfusion-dependent thalassemia (TDT) and non-transfusion dependent thalassemia (NTDT). The predominant mechanisms driving the process of iron loading include increased iron burden secondary to transfusion therapy in TDT and enhanced intestinal absorption secondary to ineffective erythropoiesis and hepcidin suppression in NTDT. Different organs are affected differently by iron overload in TDT and NTDT owing to the underlying iron loading mechanism and rate of iron accumulation. Serum ferritin measurement and noninvasive imaging techniques are available to diagnose iron overload, quantify its extent in different organs, and monitor clinical response to therapy. This chapter discusses the general approach to iron chelation therapy based on organ involvement using the available iron chelators: deferoxamine, deferiprone, and deferasirox. Other novel experimental options for treatment and prevention of complications associated with iron overload in thalassemia are briefly discussed. PMID- 29222266 TI - Impact of bone disease and pain in thalassemia. AB - Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures. Age, history, physical examination, and diagnostic tests support orientation on risk factors. These include bone marrow expansion, toxicity from iron overload and iron chelation, endocrine dysfunctions (hypogonadism, hypohyperparathyroidism, hypothyroidism, growth hormone deficiency, diabetes), and vitamin (D, C, K) and zinc deficiencies. Several of these may coexist in an individual for a long time and at different degrees, making clarification of the relative contribution and selection of the best therapeutic options a challenge. Milestones for prevention of TBD are early and full inhibition of bone marrow hyperplasia and iron toxicity. Empowering patients' positive resources is key for achieving long-term healthy habits with regard to diet, physical activity, sunlight exposure, and lifestyle. Pain, related or unrelated to bone disease, is frequent in thalassemia. The most important targets for the hematologist include having an expert orientation on disease-related causes of pain, driving differential diagnosis, providing effective pain relief and, where feasible, removing the cause. PMID- 29222267 TI - New therapeutic targets in transfusion-dependent and -independent thalassemia. AB - beta-Thalassemias are characterized by reduced production of beta-globin chain, resulting in alpha/beta-chain unbalance and precipitation of alpha-globin-heme complexes and determining ineffective erythropoiesis. Ineffective erythropoiesis, chronic hemolytic anemia, and compensatory hematopoietic expansion are the disease hallmarks, and they are related to the severity of the chain unbalance. Several clinical forms of beta-thalassemia, including the coinheritance of beta thalassemia with hemoglobin E resulting in hemoglobin E/beta-thalassemia, have been described. Clinically, beta-thalassemias can be classified as transfusion dependent thalassemia (TDT) and non-transfusion-dependent thalassemia (NTDT) according to the severity of the phenotype, which is caused by a wide spectrum of mutations in a homozygous or compound heterozygous state. Current treatment of TDT consists of regular transfusions that lead to iron overload, requiring iron chelation to prevent iron-related organ toxicity. NTDT patients do not require transfusions or only occasionally require them; however, they develop iron overload as well because of increased intestinal iron absorption caused by chronic anemia. Hematopoietic stem cell allogenic transplant is the only approved cure for beta-thalassemia; however, it is still limited by clinical conditions and the availability of matched donors as well as by potential graft-versus-host disease (GVHD). Gene therapy could avoid the GVHD risk, although hematopoietic stem cells must be genetically modified ex vivo. Epigenetic manipulation and genomic editing are novel experimental approaches. An increased understanding of the pathophysiology that controls the disease process prompted us to explore alternative therapeutic approaches that address the underlying chain unbalance, ineffective erythropoiesis, and iron dysregulation. Molecules, such as JAK2 inhibitors and the activin-receptor ligand trap that target ineffective erythropoiesis, are already in clinical trials with promising results. Other agents aimed to generate iron-restricted erythropoiesis are also under experimental evaluation. PMID- 29222269 TI - Current treatment of double hit and double expressor lymphoma. AB - A 60-year-old female presented with abdominal pain and distension. Following computed tomography scans of the abdomen and pelvis, she was taken urgently to the operating room, with the belief that she had appendicitis with perforation. At laparotomy, the findings were consistent with an ovarian carcinoma; there was extensive infiltration of the ovary, bowel, and omental deposits. Cytoreductive surgery was performed including total abdominal hysterectomy and bilateral salpingo-oophorectomy. The final pathology, however, revealed infiltration with medium-sized atypical lymphoid cells positive for CD20, CD10, MYC, BLC2, and BCL6 by immunohistochemistry. MYC and BCL2 translocations were identified by fluorescence in situ hybridization consistent with a diagnosis of high-grade B cell lymphoma with rearrangements of MYC and BCL2 With the current data available, what is the optimal treatment of this patient? PMID- 29222268 TI - Tailoring front-line therapy in diffuse large B-cell lymphoma: who should we treat differently? AB - Although there have been significant insights into the biology of diffuse large B cell lymphoma (DLBCL) over recent years, progress in our therapeutic approach has been disappointing over the same timeframe. This is not for want of trying. In 2017, R-CHOP (rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone) remains the "gold standard," despite all of our insights into cell-of origin and other subgroups. We have traditionally used clinical risk factors to tailor our therapies and have tested intensification of chemotherapy with little success. We are now in an era of testing therapies according to the molecular phenotype of the individual's tumor. Many phase 1/2 studies have looked at adding targeted agents to conventional R-CHOP with some promise. The phase 3 data are now starting to emerge. Are we ready yet to modify our standard of care and have we reached an era of precision medicine in DLBCL? The answer to this is "not yet." The exception is perhaps patients with the newly defined World Health Organization category of high-grade B-cell lymphoma with rearrangements of MYC and BCL2 and/or BCL6, the so-called double- and triple-hit lymphomas. In these tumors there has been a move away from R-CHOP to more intensified regimens, however, has not been based upon rigorous prospective evaluation but review of retrospective datasets. This article will review the molecular subgroups of DLBCL, interventional strategies, and the outcomes of these interventions to date. PMID- 29222270 TI - Primary mediastinal B-cell lymphoma: biology and evolving therapeutic strategies. AB - Primary mediastinal B-cell lymphoma (PMBCL) is recognized as a distinct clinicopathologic entity that predominantly affects adolescents and young adults and is more common in female subjects. Although PMBCL is considered to be a subtype of diffuse large B-cell lymphoma, its clinical, morphologic, and biological characteristics overlap significantly with those of nodular sclerosing Hodgkin lymphoma (NSHL). Over the past few years, the shared biology of these 2 entities has been highlighted in several studies, and mediastinal gray zone lymphoma, with features intermediate between PMBCL and NSHL, has been recognized as a unique molecular entity. Although there is a lack of consensus about the optimal therapeutic strategy for adolescent and young adult patients newly diagnosed with PMCBL, highly curative strategies that obviate the need for mediastinal radiation are favored by most. Progress in understanding the biology of PMBCL and its close relationship to NSHL have helped pave the way for the investigation of novel approaches such as immune checkpoint inhibition. Other strategies such as adoptive T-cell therapy and targeting CD30 are also being studied. PMID- 29222271 TI - Optimizing therapy for mantle cell lymphoma. AB - Most people with mantle cell lymphoma (MCL) present with diffuse adenopathy and benefit from early initiation of rituximab and high-dose cytarabine- or bendamustine-based therapies. Some patients, however, present with primarily nonnodal disease that can follow either an indolent or a rapidly progressive, treatment-resistant clinical course. Rarely, patients present with explosive disease that can be challenging to manage and often involves the central nervous system. New agents with improved therapeutic indices facilitate treatment while maintaining quality of life, but also present new complications at the time of treatment failure. Although uncommon presentations are not new to clinicians who treat MCL, the increasing clarity of underlying biology and prognostic implications may help us develop more specialized treatment strategies. PMID- 29222272 TI - Signaling pathways and immune evasion mechanisms in classical Hodgkin lymphoma. AB - Classical Hodgkin lymphoma (cHL) is an unusual B-cell-derived malignancy in which rare malignant Hodgkin and Reed-Sternberg (HRS) cells are surrounded by an extensive but ineffective inflammatory/immune cell infiltrate. This striking feature suggests that malignant HRS cells escape immunosurveillance and interact with immune cells in the cancer microenvironment for survival and growth. We previously found that cHLs have a genetic basis for immune evasion: near-uniform copy number alterations of chromosome 9p24.1 and the associated PD-1 ligand loci, CD274/PD-L1 and PDCD1LG2/PD-L2, and copy number-dependent increased expression of these ligands. HRS cells expressing PD-1 ligands are thought to engage PD-1 receptor-positive immune effectors in the tumor microenvironment and induce PD-1 signaling and associated immune evasion. The genetic bases of enhanced PD-1 signaling in cHL make these tumors uniquely sensitive to PD-1 blockade. PMID- 29222273 TI - Emerging role of novel therapies in Hodgkin lymphoma: proceed with caution. AB - Based on very high response rates in the relapsed and refractory setting, brentuximab vedotin and the programmed cell death protein 1 (PD-1) inhibitors, nivolumab and pembrolizumab, have quickly been incorporated into clinical trials for first- and second-line therapy of Hodgkin lymphoma. Preliminary data show that brentuximab vedotin alone is not adequate therapy for newly diagnosed Hodgkin lymphoma in older patients, but modestly decreases the risk of relapse when combined with adriamycin, vinblastine, and dacarbazine in patients with previously untreated advanced-stage disease. In second-line therapy, combining brentuximab vedotin with conventional chemotherapy or with PD-1 inhibitors as pretransplant salvage is associated with high overall and complete response rates, although further follow up is needed to assess whether posttransplant outcomes are improved. Although these new drugs are well tolerated when given as single agents, unexpected toxicities have been encountered with combination regimens, specifically severe pulmonary toxicity with the bleomycin and brentuximab vedotin combination and frequent infusion-related reactions. There is concern with the use of PD-1 inhibitors as first-line therapy due to the theoretical potential for more frequent or severe immune-mediated toxicities in patients who have not received prior chemotherapy. Aside from these concerns, these new agents have the potential to improve outcomes for patients even further, bringing us closer to eradicating recurrent Hodgkin lymphoma. PMID- 29222274 TI - Nodular lymphocyte-predominant Hodgkin lymphoma: a unique disease deserving unique management. AB - Nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) is a rare lymphoma entity with an incidence of 0.1 to 0.2/100 000/y. Compared with the more common subtypes of classical Hodgkin lymphoma, NLPHL is characterized by distinct pathological and clinical features. Histologically, the disease-defining lymphocyte predominant cells consistently express CD20 but lack CD30. Clinically, NLPHL mostly has a rather indolent course, and patients usually are diagnosed in early stages. The prognosis of early-stage NLPHL is excellent, with progression-free survival and overall survival rates exceeding 90% after involved-field radiotherapy (IF-RT) alone (stage IA) or combined modality treatment consisting of a brief chemotherapy with 2 cycles of ABVD (doxorubicin, bleomycin, vinblastine, dacarbazine) chemotherapy followed by IF-RT (early stages other than stage IA). In contrast, patients with advanced disease at diagnosis tend to relapse either with NLPHL histology or with histological transformation into aggressive B-cell non-Hodgkin lymphoma despite more aggressive first-line treatment with 6 to 8 cycles of multiagent chemotherapy. However, even NLPHL patients with multiple relapses successfully respond to salvage therapy in many cases. Salvage therapies range from single-agent anti-CD20 antibody treatment to high-dose chemotherapy followed by autologous stem cell transplantation. Treatment at disease recurrence should be chosen on the basis of various factors, including histology at relapse, time to relapse, extent of disease at relapse, and prior treatment. Because death among NLPHL patients is more often caused by therapy-related late effects than lymphoma-related complications, optimizing the risk-benefit ratio of treatment by decreasing toxicity whenever possible is the major goal of clinical research in this disease. PMID- 29222275 TI - The mutational landscape of chronic lymphocytic leukemia and its impact on prognosis and treatment. AB - The typical genome of chronic lymphocytic leukemia (CLL) carries ~2000 molecular lesions. Few mutations recur across patients at a frequency >5%, whereas a large number of biologically and clinically uncharacterized genes are mutated at lower frequency. Approximately 80% of CLL patients carry at least 1 of 4 common chromosomal alterations, namely deletion 13q14, deletion 11q22-23, deletion 17p12, and trisomy 12. Knowledge of the CLL genome has translated into the availability of molecular biomarkers for prognosis and treatment prediction. Prognostic biomarkers do not affect treatment choice, and can be integrated into prognostic scores that are based on both clinical and biological variables. Molecular predictive biomarkers affect treatment choice, and currently include TP53 disruption by mutation and/or deletion and IGHV mutation status. TP53 disruption by gene mutation and/or deletion associates with chemoimmunotherapy failure and mandates treatment with innovative drugs, including ibrutinib, idelalisib, or venetoclax. The mutation status of IGHV genes represents a predictive biomarker for identifying patients that may benefit the most from chemoimmunotherapy with fludarabine, cyclophosphamide, and rituximab. Assessment of these biomarkers at the time of treatment requirement is recommended by most current guidelines for CLL management. Other molecular predictors are under investigation, but their application in clinical practice is premature. PMID- 29222276 TI - Optimizing frontline therapy of CLL based on clinical and biological factors. AB - The heterogeneity of the clinical course of chronic lymphocytic leukemia (CLL) ranges from an indolent course, where patients do not require therapy for many years, to a very aggressive disease, where treatment is required soon after diagnosis and relapses may occur early. The improved tools for prognostication allow predicting the outcome of patients with increasing reliability. Some markers also allow selecting more specific therapies with improved activity in the presence of certain genetic or clinical features of CLL. Of these markers, TP53 dysfunction, age, the presence of comorbidities and the immunoglobulin heavy chain variable region gene mutational status, or serum markers such as beta2 microglobulin have shown independent prognostic value in multiple prospective trials. During the last 10 years, multiple novel agents have become available. The advent of oral kinase inhibitors or Bcl-2 antagonists has provided highly effective options with acceptable toxicity. This manuscript summarizes the current evidence of the available treatment options and proposes an integrated algorithm for the frontline therapy of CLL. PMID- 29222277 TI - How should we sequence and combine novel therapies in CLL? AB - With the recent approval of several effective and well-tolerated novel agents (NAs), including ibrutinib, idelalisib, venetoclax, and obinutuzumab, patients with chronic lymphocytic leukemia (CLL) have more therapeutic options than ever before. The availability of these agents is both an important advance for patients but also a challenge for practicing hematologist/oncologists to learn how best to sequence NAs, both with respect to chemoimmunotherapy (CIT) and to other NAs. The sequencing of NAs in clinical practice should be guided both by an individual patient's prognostic markers, such as FISH and immunoglobulin heavy chain variable region (IGHV)-mutation status, as well as the patient's medical comorbidities and goals of care. For older, frailer patients with lower-risk CLL prognostic markers, NA monotherapy may remain a mainstay of CLL treatment for years to come. For younger, fitter patients and those with higher-risk CLL, such as del(17p) or unmutated IGHV, combination approaches may prove to be more valuable than NA monotherapy. Trials are currently evaluating the efficacy of several such combination approaches, including NA plus anti-CD20 monoclonal antibody, NA plus NA (with or without anti-CD20 monoclonal antibody), and NA plus CIT. Given the tremendous efficacy of the already approved NAs, as well as the promising data for next generation NAs, the development of well-tolerated, highly effective combination strategies with curative potential for patients with CLL has become a realistic goal. PMID- 29222278 TI - Safety profiles of novel agent therapies in CLL. AB - A 70-year-old man with relapsed/refractory chronic lymphocytic leukemia has multiple comorbidities including atrial fibrillation (on warfarin for anticoagulation), irritable bowel syndrome, and chronic renal insufficiency. Two years ago, he received bendamustine and rituximab as first-line therapy for chronic lymphocytic leukemia and achieved partial response, but now has relapsed. Fluorescence in situ hybridization cytogenetics reveals deletion 17p. Which novel agent would you recommend for this patient? PMID- 29222279 TI - Follicular lymphoma: are we ready for a risk-adapted approach? AB - Follicular lymphoma is the most common indolent non-Hodgkin lymphoma in the Western hemisphere. The natural history of FL appears to have been favorably impacted by the introduction of rituximab after randomized clinical trials demonstrated that the addition of rituximab to standard chemotherapy induction has improved the overall survival. Yet, the disease is biologically and clinically heterogeneous with wide variations in outcomes for individual patients. The ability to accurately risk-stratify patients and then tailor therapy to the individual is an area of ongoing research. Historically, tumor grade, tumor burden, and the FL international prognostic index (version 1 and version 2) have been used to distinguish low-risk from high-risk patients. Biologic factors such as mutations in key genes can identify patients at high risk for poor outcomes to first-line therapy (mutational status of 7 genes [EZH2, ARID1A, MEF2B, EP300, FOX01, CREBBP, and CARD11] with Follicular Lymphoma International Prognostic Index). More recently, the quality of the response to initial therapy, as measured by either PET imaging or by remission duration, has been show to identify individuals at high risk. However, several unmet needs remain, including a better ability to identify high-risk patients at diagnosis, the development of predictive biomarkers for targeted agents, and strategies to reduce the risk of transformation. PMID- 29222280 TI - Toward personalized treatment in Waldenstrom macroglobulinemia. AB - Waldenstrom macroglobulinemia (WM) is a rare lymphoma with 1000 to 1500 new patients diagnosed per year in the United States. Patients with WM can experience prolonged survival times, which seem to have increased in the last decade, but relapse is inevitable. The identification of recurrent mutations in the MYD88 and CXCR4 genes has opened avenues of research to better understand and treat patients with WM. These developments are giving way to personalized treatment approaches for these patients, focusing on increasing depth and duration of response alongside lower toxicity rates. In the present document, we review the diagnostic differential, the clinical manifestations, and the pathological and genomic features of patients with WM. We also discuss the safety and efficacy data of alkylating agents, proteasome inhibitors, monoclonal antibodies, and Bruton tyrosine kinase inhibitors in patients with WM. Finally, we propose a genomically driven algorithm for the treatment of WM. The future of therapies for WM appears bright and hopeful, but we should be mindful of the cost-effectiveness and long-term toxicity of novel agents. PMID- 29222281 TI - Improved biological insight and influence on management in indolent lymphoma. Talk 3: update on nodal and splenic marginal zone lymphoma. AB - Splenic marginal zone lymphoma (SMZL) and nodal marginal zone lymphoma (NMZL) are rare indolent chronic B-cell lymphomas. Prognosis is typically good with median survival around 10-15 years. Management is generally based on the presence of symptoms or high tumor burden. There are no standard treatments for these 2 entities, and therapeutic strategies are rapidly evolving. Clinical developments for these 2 entities are oriented by genomic studies, with largely overlapping mutational profiles involving the NOTCH, B-cell receptor (BcR) and nuclear factor kappaB (NF-kappaB) signaling, chromatin remodeling, and the cytoskeleton. Although new therapeutic options based on targeting signaling pathways and overcoming resistance are increasingly available, few specific prospective studies are performed for these rare subtypes, limiting the conclusions that can be drawn. Novel drugs targeting B-cell signaling have shown promise, including ibrutinib and copanlisib. The second-generation oral immunomodalator (IMiD) lenalidomide showed impressive results when combined with rituximab. Other potential solutions include targeting the NF-kappaB, JAK/STAT, BCL2, NOTCH, and Toll-like receptor signaling pathways; however, studies in these 2 MZL entities are yet to prove a definitive benefit. Molecular profiling is now a cornerstone of diagnostic, prognostic, and therapeutic strategies to offer patient- and disease-specific solutions. The development of a wider range of effective targeted therapies and prognostic biomarkers is keenly awaited and is expected to strongly affect the natural history of SMZL and NMZL. PMID- 29222282 TI - Advances in the diagnosis and treatment of Von Willebrand disease. AB - Von Willebrand disease (VWD) is the most common inherited bleeding disorder, yet diagnosis and management remain challenging. Development and use of bleeding assessment tools allows for improved stratification of which patients may require further assessment and which patients are most likely to require treatment of their VWD. New options for laboratory assessment of von Willebrand factor (VWF) activity include a new platelet-binding assay, the VWF:GPIbM, which is subject to less variability than the ristocetin cofactor activity assay, and collagen binding assays that provide insight into a different function of VWF. Genetic testing may be helpful in some cases where a type 2 VWD variant is suspected but is usually not helpful in type 1 VWD. Finally, treatment options for VWD are reviewed, including the use of recombinant VWF. Despite these advances, still more work is required to improve diagnosis, treatment, and quality of life for affected patients. PMID- 29222283 TI - Hereditary thrombocytopenias: a growing list of disorders. AB - The introduction of high throughput sequencing (HTS) techniques greatly improved the knowledge of inherited thrombocytopenias (ITs) over the last few years. A total of 33 different forms caused by molecular defects affecting at least 32 genes have been identified; along with the discovery of new disease-causing genes, pathogenetic mechanisms of thrombocytopenia have been better elucidated. Although the clinical picture of ITs is heterogeneous, bleeding has been long considered the major clinical problem for patients with IT. Conversely, the current scenario indicates that patients with some of the most common ITs are at risk of developing additional disorders more dangerous than thrombocytopenia itself during life. In particular, MYH9 mutations result in congenital macrothrombocytopenia and predispose to kidney failure, hearing loss, and cataracts, MPL and MECOM mutations cause congenital thrombocytopenia evolving into bone marrow failure, whereas thrombocytopenias caused by RUNX1, ANKRD26, and ETV6 mutations are characterized by predisposition to hematological malignancies. Making a definite diagnosis of these forms is crucial to provide patients with the most appropriate treatment, follow-up, and counseling. In this review, the ITs known to date are discussed, with specific attention focused on clinical presentations and diagnostic criteria for ITs predisposing to additional illnesses. The currently available therapeutic options for the different forms of IT are illustrated. PMID- 29222284 TI - Management of newly diagnosed immune thrombocytopenia: can we change outcomes? AB - Immune thrombocytopenia resulting from antibody-mediated platelet destruction combined with impaired platelet production is a common cause of thrombocytopenia. The decision to treat newly diagnosed patients is based on several factors including ceasing hemorrhagic manifestations, increasing the platelet count, prevention of bleeding, and inducing remission. Current standard first-line therapy is a course of corticosteroids. Although this treatment paradigm increases the platelet count in the majority of patients, a high percentage relapse after discontinuation of corticosteroid therapy. For this reason, intensification of first-line therapy that results in superior long-term remission rates would be desirable. This manuscript focuses primarily on adults with idiopathic thrombocytopenic purpura (ITP), highlighting pediatric data and practice when applicable. The primary aim is to outline upfront strategies for treatment-naive patients with ITP to enhance remission rates, taking into account assessment of the risks and benefits of these approaches. PMID- 29222285 TI - Five lessons learned about long-term pain management in adults with sickle cell disease. AB - Chronic pain affects one-half of adults with sickle cell disease (SCD). Despite the prevalence of chronic pain, few studies have been performed to determine the best practices for this patient population. Although the pathophysiology of chronic pain in SCD may be different from other chronic pain syndromes, many of the guidelines outlined in the pain literature and elsewhere are applicable; some were consensus-adopted in the 2014 National Heart, Lung, and Blood Institute SCD Guidelines. Recommended practices, such as controlled substance agreements and monitoring of urine, may seem unnecessary or counterproductive to hematologists. After all, SCD is a severe pain disorder with a clear indication for opioids, and mistrust is already a major issue. The problem, however, is not with a particular disease but with the medicines, leading many US states to pass broad legislation in attempts to curb opioid misuse. These regulations and other key tenets of chronic pain management are not meant to deprive adults with SCD of appropriate therapies, and their implementation into hematology clinics should not affect patient-provider relationships. They simply encourage prudent prescribing practices and discourage misuse, and should be seen as an opportunity to more effectively manage our patient's pain in the safest manner possible. In line with guideline recommendations as well as newer legislation, we present five lessons learned. These lessons form the basis for our model to manage chronic pain in adults with SCD. PMID- 29222286 TI - Improving Emergency Department-Based Care of Sickle Cell Pain. AB - Pain is the leading cause of emergency department (ED) visits for individuals living with sickle cell disease (SCD). The care that is delivered in the ED is often cited by patients with SCD as the area of health care in greatest need of improvement. In 2014, the National Heart, Lung, and Blood Institute released guidelines for the care of SCD, including recommendations for the management of acute sickle cell pain in the ED. These guidelines provide a framework to understand the elements of ideal emergency sickle cell pain care; however, they do not provide guidance on barriers and facilitators to achieving these ideals in the complex system of the ED. Presented in this article are 4 tenets of implementing guideline-adherent emergency sickle cell care gleaned from the available literature and continuous quality improvement efforts at our institution. These include: (1) strategies to reduce negative provider attitudes toward patients with SCD; (2) strategies to reduce time-to-first-dose of analgesic medication; (3) strategies to improve ED pain care beyond the first dose of medication; and (4) strategies to improve ED patient safety. Application of the principles discussed within can improve patient and provider satisfaction, quality, and safety. PMID- 29222287 TI - Rigorous and practical quality indicators in sickle cell disease care. AB - In recent years, several sickle cell-specific quality indicators have been developed using rigorous approaches. A review of the history and current status of the development of sickle cell-specific indicators highlights opportunities for future refinement. Despite efforts at alignment, lack of strong evidence hinders the adoption of current quality indicators across stakeholder groups. There are many directions in which to take the current existing quality indicators, including expanding to different age groups, aims of care such as safety and equity, and better understanding of contextual and environmental factors. PMID- 29222289 TI - What is the role of screening for pulmonary hypertension in adults and children with sickle cell disease? AB - Patient case: An 18-year-old male patient with homozygous hemoglobin SS disease was evaluated for progressive dyspnea and elevated tricuspid regurgitant jet velocity (TRV) on echocardiography. The patient's case is described in detail in Lancet1 He had been treated with regular transfusions since childhood for stroke, had rare episodes of vaso-occlusive pain episodes, and did not take narcotic pain medications. He presented with progressive severe dyspnea on exertion and lower extremity edema. His laboratory tests were notable for a total hemoglobin level of 11.8 g/dL and hemoglobin S levels <30% but with 18% reticulocytes and elevated markers of hemolysis, such as high plasma levels of lactate dehydrogenase, aspartate amino transferase, and indirect bilirubin. The computed tomography scan of his chest in Figure 1A-B shows a large pulmonary artery, which has a greater diameter than his aorta, and a mosaic perfusion pattern, typical for severe pulmonary arterial hypertension. His Doppler echocardiographic study (Figure 1C) showed an unusually high TRV of 5.93 m/s, consistent with a calculated pulmonary artery systolic pressure of >140 mm Hg (4 times the TRV squared = 4V2). Additional images in Figure 1D show a dilated right ventricle and right atrium with a compressed left ventricle. The patient's right heart catheterization revealed a pulmonary artery systolic pressure of 147 mm Hg and diastolic pressure of 49 mm Hg; note that the normal values are ~25/10 mm Hg. PMID- 29222288 TI - Cardiovascular complications in patients with sickle cell disease. AB - Sickle cell disease (SCD) is an autosomal recessive disease in which homozygosity for a single point mutation in the gene encoding the beta-globin chain produces hemoglobin S molecules that polymerize within the erythrocyte during deoxygenation; the result is sustained hemolytic anemia and vaso-occlusive events. As patients live to adulthood, the chronic impact of sustained hemolytic anemia and episodic vaso-occlusive episodes leads to progressive end-organ complications. This scenario culminates in the development of 1 or more major cardiovascular complications of SCD for which there are no approved or consensus therapies. These complications include elevated pulmonary artery systolic pressure, pulmonary hypertension, left ventricular diastolic heart disease, dysrhythmia, sudden death, and chronic kidney disease with associated proteinuria, microalbuminuria, and hemoglobinuria. In patients with advancing age, cardiopulmonary organ dysfunction and chronic kidney injury have significant effects on morbidity and premature mortality. Over the last 15 years, a number of tests have been validated in multiple replicate cohort studies that identify patients with SCD at the highest risk of experiencing pulmonary and systemic vasculopathy and death, providing for screening strategies tied to targeted, more aggressive diagnostic and therapeutic interventions. PMID- 29222290 TI - Chronic organ failure in adult sickle cell disease. AB - Sickle cell disease is now a chronic adult illness characterized by progressive multiorgan failure, particularly involving the brain and kidney. The etiology is multifactorial; it includes hemolysis and nitric oxide deficiency. As patients age, most experience neurologic insult. Twenty-five percent of older adults have had a clinical stroke and at least half of the population have had a silent infarct, cortical atrophy, and neurocognitive impairment. Periodic screening with neuroimaging and neurocognitive testing is recommended. Identification and correction of modifiable risk factors such as nocturnal hypoxemia, obstructive sleep apnea, and physical exercise programs should be implemented. Patients with neurocognitive impairment require cognitive remediation and educational accommodations. Chronic renal disease occurs in 25% of older adults and results in 50% of their deaths. Renal failure often develops insidiously. It can be prevented or minimized by early screening and treatment of modifiable risk factors including hypertension and microalbuminuria. There is an increasing number of therapeutic options, including inhibitors of the renin angiotensin system, angiotensin-II receptor blockers, endothelin-1 receptor antagonist, and haptoglobin therapy. Patients with sickle cell disease have increased mortality rates from renal failure compared with nonsickle cell patients, in part from a lack of access to early multidisciplinary care, including timely initiation of dialysis and renal transplantation. PMID- 29222291 TI - Evolving treatment paradigms in sickle cell disease. AB - Sickle cell disease (SCD) is an inheritable hemoglobinopathy characterized by polymerization of hemoglobin S in red blood cells resulting in chronic hemolytic anemia, vaso-occlusive painful crisis, and multiorgan damage. In SCD, an increased reactive oxygen species (ROS) generation occurs both inside the red blood cells and inside the vascular lumen, which augment hemolysis and cellular adhesion. This review discusses the evolving body of literature on the role of ROS in the pathophysiology of SCD as well as some emerging therapeutic approaches to SCD with a focus on the reduction of ROS. PMID- 29222292 TI - Uncoding the genetic heterogeneity of myelodysplastic syndrome. AB - Myelodysplastic syndrome (MDS) is a clinically heterogeneous disease characterized by functional impairment of hematopoiesis and abnormal bone marrow morphology. The type and severity of hematopoietic dysfunction in MDS are highly variable, and the kinetics of disease progression are difficult to predict. Genomic studies have shown that MDS is typically driven by a multistep somatic genetic process affecting a core set of genes. By definition, recurrent MDS driver mutations all drive clonal dominance, although they can have stereotyped positions in the clonal hierarchy or patterns of comutation association and exclusivity. Furthermore, environmental context, such as exposures to cytotoxic chemotherapy or the presence of germ-line predisposition, can influence disease pathogenesis and clinical outcomes. This review will address how an enhanced understanding of MDS genetics may enable refinement of current diagnostic schema, improve understanding of the pathogenesis of therapy-related MDS, and identify germ-line predispositions to development of MDS that are more common than recognized by standard clinical evaluation. PMID- 29222293 TI - Current treatment algorithm for the management of lower-risk MDS. AB - Lower risk myelodysplastic syndromes (MDS), defined as MDS with a Revised International Prognostic Scoring System score <=3.5 points, will remain a challenging entity in 2018. Supportive care continues to be the linchpin of treatment, although the options to reduce transfusion needs are broadening. To achieve red blood cell transfusion independence in non-del(5q) patients, erythropoiesis-stimulating agents remain a mainstay of therapy as long as endogenous erythropoietin levels are <500 U/L (and preferably <200 U/L). Experimental strategies for patients ineligible for erythropoiesis-stimulating agents or relapsing after gaining transfusion independence include immunosuppressive agents, transforming growth factor beta inhibitors, and lenalidomide. All these alternatives have shown reasonable response rates in selected patient populations with lower risk MDS. Patients with del(5q) disease can derive long-term benefit from lenalidomide, and some patients remain transfusion free for extended periods even after discontinuation of the drug. In rare cases in which thrombocytopenia is the main clinical problem leading to clinically significant bleeding events, thrombopoietin receptor analogues may alleviate bleeding, increase platelet counts, and rarely lead to trilineage responses. It seems prudent to use these drugs only in patients with confirmed bone marrow blast counts <5%. Allogeneic stem cell transplantation is reasonable for patients with high molecular risk of progression and those failing several lines of treatment with signs of progression toward higher-risk MDS. PMID- 29222294 TI - Incorporating novel approaches in the management of MDS beyond conventional hypomethylating agents. AB - In the last decade, the treatment of higher-risk myelodysplastic syndromes (MDS) has revolved around the azanucleosides, azacitidine and decitabine, which at lower doses are postulated to work predominantly via their effects on inhibition of DNA methyltransferases and consequent DNA hypomethylation. For patients who relapse after, or do not respond to, hypomethylating agent therapy, the outcome is dismal, and new agents and approaches that have the potential to alter the natural history of these diseases are desperately needed. Allogeneic stem cell transplant is the only known potentially curative approach in MDS, but its applicability has been limited by the advanced age of patients and attendant comorbidities. There is now an increasing array of new agents under clinical investigation in MDS that aim to exploit our expanding understanding of molecular pathways that are important in the pathogenesis of MDS. This review focuses on a critical appraisal of novel agents being evaluated in higher-risk MDS that go beyond the conventional hypomethylating agent therapies approved by the US Food and Drug Administration. PMID- 29222295 TI - Myeloproliferative neoplasms: from origins to outcomes. AB - Substantial progress has been made in our understanding of the pathogenetic basis of myeloproliferative neoplasms. The discovery of mutations in JAK2 over a decade ago heralded a new age for patient care as a consequence of improved diagnosis and the development of therapeutic JAK inhibitors. The more recent identification of mutations in calreticulin brought with it a sense of completeness, with most patients with myeloproliferative neoplasm now having a biological basis for their excessive myeloproliferation. We are also beginning to understand the processes that lead to acquisition of somatic mutations and the factors that influence subsequent clonal expansion and emergence of disease. Extended genomic profiling has established a multitude of additional acquired mutations, particularly prevalent in myelofibrosis, where their presence carries prognostic implications. A major goal is to integrate genetic, clinical, and laboratory features to identify patients who share disease biology and clinical outcome, such that therapies, both existing and novel, can be better targeted. PMID- 29222296 TI - What are the current treatment approaches for patients with polycythemia vera and essential thrombocythemia? AB - Polycythemia vera (PV) and essential thrombocythemia (ET) are chronic myeloproliferative neoplasms that are characterized by thrombohemorrhagic complications, symptom burden, and impaired survival mainly due to thrombosis, progression to myelofibrosis, and transformation to acute leukemia. In this manuscript, we will review the most recent changes in diagnostic criteria, the improvements in risk stratification, and the "state of the art" in the daily management of these disorders. The role of conventional therapies and novel agents, interferon alpha and the JAK2 inhibitor ruxolitinib, is critically discussed based on the results of a few basic randomized clinical studies. Several unmet needs remain, above all, the lack of a curative approach that might overcome the still burdensome morbidity and mortality of these hematologic neoplasms, as well as the toxicities associated with therapeutic agents. PMID- 29222297 TI - Current treatment algorithm for the management of patients with myelofibrosis, JAK inhibitors, and beyond. AB - Myelofibrosis (MF) is a heterogeneous disorder characterized by splenomegaly, constitutional symptoms, ineffective hematopoiesis, and an inherent risk of leukemic transformation. The past decade has seen a massive shift in available therapeutic options for our patients and we are learning how and when to use novel agents, either alone or in combination, during the disease course. This has translated into improved management of splenomegaly, significant amelioration in disease-related symptom burden for many, and may lead to improved survival. But limitations in the therapeutic options remain. Moreover, enhanced delineation of the mutational landscape of MF has offered both increasingly complex prognostic algorithms and yielded further potential therapeutic avenues. In this review, we will focus on stratifying both standard and experimental therapeutic management in 2017 and 2018 and postulate on the emerging treatments that will likely become part of our increasingly complex treatment algorithm. PMID- 29222298 TI - Management of multiple myeloma in the newly diagnosed patient. AB - Multiple myeloma is the second most frequent hematological disease. The introduction of melphalan as high-dose therapy followed by autologous hematopoietic cell transplantation (HDT/ASCT) for young patients and the availability of novel agents for young and elderly patients with multiple myeloma have dramatically changed the perspective of treatment. However, further research is necessary if we want definitively to cure the disease. Treatment goals for transplant-eligible and non-transplant-eligible patients should be to prolong survival by achieving the best possible response while ensuring quality of life. For young patients, HDT-ASCT is a standard of care for treatment, and its efficacy has been enhanced and challenged by the new drugs. For elderly patients, treatment options were once limited to alkylators, but new upfront treatment combinations based on novel agents (proteasome inhibitors and immunomodulatory drugs) combined or not with alkylators have significantly improved outcomes. Extended treatment of young and elderly patients improves the quality and duration of clinical responses; however, the optimal scheme, appropriate doses, and duration of long-term therapy have not yet been fully determined. This review summarizes progress in the treatment of patients with newly diagnosed multiple myeloma, addressing critical questions such as the optimal induction, early vs late ASCT, consolidation and/or maintenance for young patients, and how we can choose the best treatment option for non-transplant-eligible patients. PMID- 29222299 TI - Management of multiple myeloma in the relapsed/refractory patient. AB - The approach to the patient with relapsed or relapsed/refractory multiple myeloma requires a careful evaluation of the results of previous treatments, the toxicities associated with it, and an assessment of prognostic factors. The majority of patients will have received prior therapy with drug combinations, including a proteasome inhibitor and an immune-modulatory agent. It is the physician's task to choose the right moment for the start of therapy and decide with the patient which goals need to be achieved. The choice of regimen is usually based on prior response, drugs already received, adverse effects, comorbidities of the patient, and expected efficacy and tolerability. Many double and triple drug combinations are available. In addition, promising new drugs such as pomalidomide, carfilzomib, and monoclonal antibodies are or will be available shortly, and other options can be explored in clinical trials. Finally, supportive care and palliative options need to be considered in later relapsed disease. Increasingly, it becomes important to consider the therapeutic options for the whole duration of the disease and integrate a systematic approach for the patient. PMID- 29222300 TI - Emerging options in multiple myeloma: targeted, immune, and epigenetic therapies. AB - Considerable progress has been made in the treatment of multiple myeloma in the past decade with median survival for the disease improving significantly. This has come through a combination of better understanding of the disease biology and coordinated research into new treatment approaches including better supportive care. However, patients eventually become refractory to available treatments and succumb to the disease, highlighting the need to develop new treatment approaches. The genetic heterogeneity in the disease and clonal evolution under treatment pressure underlie the development of resistance, underscoring the need to develop more effective therapies that can eradicate the disease at initial treatment as well as the need for new classes of drugs with varying mechanisms of action. To this end, there has been intense focus on exploring novel approaches to therapy including small-molecule inhibitors targeting specific abnormalities, immune therapies including monoclonal antibodies and adaptive T-cell therapy, as well as epigenetic approaches. Although many of these drugs are in the early stages of clinical development, the early data appear to be very promising. Many of these drugs can be safely and effectively combined with the current treatment classes such as proteasome inhibitors and immunomodulatory drugs, further enhancing the treatment options for myeloma. PMID- 29222301 TI - Optimizing the care model for an uncomplicated acute pain episode in sickle cell disease. AB - The pathophysiology, clinical presentation, and natural history of acute pain in sickle cell disease are unique and require a disease-centered approach that also applies general principles of acute and chronic pain management. The majority of acute pain episodes are managed at home without the need to access health care. The long-term consequences of poorly treated acute pain include chronic pain, adverse effects of chronic opioid usage, psychological maladjustment, poor quality of life, and excessive health care utilization. There is no standard protocol for management of an acute pain crisis in either the hospital or the community. The assumptions that severe acute pain must be managed in the hospital with parenteral opioids and that strong opioids are needed for home management of pain need to be questioned. Pain management in the emergency department often does not meet acceptable standards, while chronic use of strong opioids is likely to result in opioid-induced hyperalgesia, exacerbation of chronic pain symptoms, and opioid dependency. We suggest that an integrated approach is needed to control the underlying condition, modify psychological responses, optimize social support, and ensure that health care services provide safe, effective, and prompt treatment of acute pain and appropriate management of chronic pain. This integrated approach should begin at an early age and continue through the adolescent, transition, and adult phases of the care model. PMID- 29222302 TI - Pain-measurement tools in sickle cell disease: where are we now? AB - Pain is a complex multidimensional experience and the most common morbidity in patients with sickle cell disease (SCD). Tools to assess pain can be of use not only to guide pain treatment but also to provide insight into underlying pain neurobiology. Mechanisms of pain in SCD are multifactorial and are not completely elucidated. Although vaso-occlusion of microcirculation by sickled red cells is believed to be the underlying mechanism of acute vaso-occlusive pain, mechanisms for chronic pain and the transition from acute to chronic pain are under investigation. A number of modalities can be used in clinical practice and/or research to capture various dimensions of pain. Selection of a pain-assessment tool should be directed by the purpose of the assessment. Pain-assessment tools, many of which are currently in the early stages of validation, are discussed here. Development and validation of these multimodal tools is crucial for developing improved understanding of SCD pain and its management. PMID- 29222303 TI - Responsiveness of Patient-Reported Outcome Measurement Information System (PROMIS) pain domains and disease-specific patient-reported outcome measures in children and adults with sickle cell disease. AB - Case 1: A 33-year-old man with hemoglobin SS (homozygous hemoglobin S) disease presents for his regular clinic visit. He had 6 hospital admissions for pain over the past year. He also has avascular necrosis of the right hip. He takes daily hydroxyurea with hematologic changes indicative of compliance. He also takes morphine sustained release twice daily and morphine immediate release every 6 hours as needed for pain. He feels that more optimal pain control at home would help him reduce his number of hospital admissions in the upcoming year and improve his daily functioning at home. His hematologist decides to use Patient Reported Outcome Measurement Information System (PROMIS) and Adult Sickle Cell Quality of Life Measurement Information System (ASCQ-ME) to follow changes in the patient's pain. Case 2: An 11-year-old girl with hemoglobin SS disease presents with her mother for her regular clinic visit. She had 2 admissions for pain over the past year. Her mother is concerned because she has been participating less in activities she previously enjoyed and missing classes to go to the school nurse because of pain. She is currently taking hydroxyurea and uses ibuprofen for pain. Her doctor prescribes morphine for home use but wants a way to measure if it is effective in improving her pain. Thus, her physician decides to use PROMIS and the Pediatric Quality of Life Inventory SCD (PedsQL SCD) module to determine the effectiveness of her pain control. PMID- 29222304 TI - Targeting novel mechanisms of pain in sickle cell disease. AB - Patients with sickle cell disease (SCD) suffer from intense pain that can start during infancy and increase in severity throughout life, leading to hospitalization and poor quality of life. A unique feature of SCD is vaso occlusive crises (VOCs) characterized by episodic, recurrent, and unpredictable episodes of acute pain. Microvascular obstruction during a VOC leads to impaired oxygen supply to the periphery and ischemia reperfusion injury, inflammation, oxidative stress, and endothelial dysfunction, all of which may perpetuate a noxious microenvironment leading to pain. In addition to episodic acute pain, patients with SCD also report chronic pain. Current treatment of moderate to severe pain in SCD is mostly reliant upon opioids; however, long-term use of opioids is associated with multiple side effects. This review presents up-to-date developments in our understanding of the pathobiology of pain in SCD. To help focus future research efforts, major gaps in knowledge are identified regarding how sickle pathobiology evokes pain, pathways specific to chronic and acute sickle pain, perception-based targets of "top-down" mechanisms originating from the brain and neuromodulation, and how pain affects the sickle microenvironment and pathophysiology. This review also describes mechanism-based targets that may help develop novel therapeutic and/or preventive strategies to ameliorate pain in SCD. PMID- 29222305 TI - Biology of CNS lymphoma and the potential of novel agents. AB - Primary and secondary CNS lymphomas are aggressive brain tumors that pose an immense challenge to define in terms of molecular pathogenesis, as well as to effectively treat. During the past 10 years improvements in survival have been achieved with the implementation of anti-CD20 immunotherapy and optimization of dose-intensive consolidation strategies. The applications of whole-exome sequencing, comparative genomic hybridization, transcriptional profiling, and examination of the tumor microenvironment, particularly in the context of clinical investigation, provide insights that create a roadmap for the development and implementation of novel targeted agents for this disease. A body of genetic evidence strongly suggested that primary CNS lymphomas (PCNSLs) are likely largely dependent on NF-kappaB prosurvival signals, with enrichment of mutations involving the B-cell receptor pathway, in particular myeloid differentiation primary response 88 and cluster of differentiation 79B. The first set of early-phase investigations that target NF-kappaB in PCNSL have now been completed and support the NF-kappaB hypothesis but at the same time reveal that much work needs to be done to translate these results into meaningful advances in survival for a large fraction of patients. Insights into secondary prosurvival pathways that mediate drug resistance is a priority for investigation. Similarly, further evaluation of the immune-suppressive mechanisms in the CNS lymphoma tumor microenvironment is requisite for progress. Combinatorial interventions that promote the antitumor immune response have significant potential. With increasing availability of targeted agents, there is also a need to develop more sensitive imaging tools, not only to detect this highly invasive brain neoplasm but also potentially to define an evolving molecular phenotype to facilitate precision medicine. PMID- 29222306 TI - Therapy of primary CNS lymphoma: role of intensity, radiation, and novel agents. AB - Primary central nervous system (CNS) lymphomas represent a subgroup of malignancies with specific characteristics, an aggressive course, and unsatisfactory outcome in contrast with other lymphomas comparable for tumor burden and histological type. Despite the high sensitivity to conventional chemotherapy and radiotherapy, remissions are frequently short lasting. Treatment efficacy is limited by several factors, including the biology and microenvironment of this malignancy and the "protective" effect of the blood brain barrier, which limits the access of most drugs to the CNS. Patients who survive are at high risk of developing treatment-related toxicity, mainly disabling neurotoxicity, raising the question of how to balance therapy intensification with the control of side effects. Recent therapeutic progress and effective international cooperation have resulted in a significantly improved outcome over the past 2 decades, with a higher proportion of patients receiving treatment with curative intent. Actual front-line therapy consists of high-dose methotrexate-based polychemotherapy. Evidence supporting the addition of an alkylating agent and rituximab is growing, and a recent randomized trial demonstrated that the combination of methotrexate, cytarabine, thiotepa, and rituximab (MATRix regimen) is associated with a significantly better overall survival. Whole-brain irradiation and high-dose chemotherapy supported by autologous stem cell transplantation are 2 effective consolidation strategies in patients with a disease responsive to induction chemotherapy. Different strategies such as alkylating maintenance, conservative radiotherapy, and nonmyeloablative consolidation are being addressed in large randomized trials and a more accurate knowledge of the molecular and biological characteristics of this malignancy are leading to the development of target therapies in refractory/relapsing patients, with the overall aim to incorporate new active agents as part of first-line treatment. The pros and cons of these approaches together with the best candidates for each therapy are outlined in this article. PMID- 29222307 TI - Secondary CNS relapse in diffuse large B-cell lymphoma: defining high-risk patients and optimization of prophylaxis strategies. AB - Despite improvement in survival in diffuse large B-cell lymphoma (DLBCL) with the introduction of rituximab, central nervous system (CNS) relapse continues to represent a clinical challenge. A number of studies have evaluated clinical risk factors in an attempt to identify high-risk patients to direct CNS staging investigations and consider prophylaxis strategies. The CNS International Prognostic Index is a robust and reproducible risk model that can identity patients at high risk of CNS relapse, but its specificity remains limited. Studies are emerging of biomarkers that predict CNS relapse that can be integrated with clinical risk models to better identify high-risk patients for CNS-directed prophylaxis strategies. Because CNS parenchymal disease is the predominant compartment, prophylaxis should include deeply penetrant drugs such as high-dose methotrexate. However, this has been associated with toxicity and has limited use in older patients. Novel therapies are being tested in primary CNS lymphoma with encouraging results and may represent rational strategies to be further explored in the prophylaxis setting. PMID- 29222308 TI - Hemophilia gene therapy comes of age. AB - Concurrent with the development of recombinant factor replacement products, the characterization of the F9 and F8 genes over 3 decades ago allowed for the development of recombinant factor products and made the hemophilias a target disease for gene transfer. The progress of hemophilia gene therapy has been announced in 3 American Society of Hematology scientific plenary sessions, including the first "cure" in a large animal model of hemophilia B in 1998, first in human sustained vector-derived factor IX activity in 2011, and our clinical trial results reporting sustained vector-derived factor IX activity well into the mild or normal range in 2016. This progression to clinically meaningful success combined with numerous ongoing recombinant adeno-associated virus (rAAV)-mediated hemophilia gene transfer clinical trials suggest that the goal of gene therapy to alter the paradigm of hemophilia care may soon be realized. Although several novel therapeutics have recently emerged for hemophilia, gene therapy is unique in its potential for a one-time disease-altering, or even curative, treatment. This review will focus on the prior progress and current clinical trial investigation of rAAV-mediated gene transfer for hemophilia A and B. PMID- 29222309 TI - Using pharmacokinetics to individualize hemophilia therapy. AB - Prevention and treatment of bleeding in hemophilia requires that plasma clotting factor activity of the replaced factor exceeds a defined target level. Most clinical decisions in hemophilia are based on implicit or explicit application of pharmacokinetic measures. The large interindividual variability in pharmacokinetics of factor concentrates suggests that relying on the average pharmacokinetic characteristics of factor concentrates would not allow optimizing the treatment of individual patients; for example, adjusting the frequency of infusions and targeting a specific clotting factor activity level on a case-by case basis. However, individual pharmacokinetic profiles are seldom assessed as part of routine clinical care. Population pharmacokinetics provide options for precise and convenient characterization of pharmacokinetics characteristics of factor concentrates, simplified individual pharmacokinetic profiling, and individualized dosing. Population pharmacokinetics allow for the incorporation of determinants of interpatient variability and reduces the need for extensive postinfusion plasma sampling. Barriers to the implementation of population pharmacokinetics are the need for concentrate-specific pharmacokinetic models, Bayesian calculation power, and specific expertise for production, validation, and appraisal of forecasted estimates. Population pharmacokinetics provide an important theoretical and practical contribution to tailoring the treatment of hemophilia. The need remains for prospective exploration of the clinical impact of tailoring hemophilia treatment based on individual pharmacokinetics, and for the systematic validation of existing software solutions and concentrate-specific models. PMID- 29222310 TI - Novel alternate hemostatic agents for patients with inhibitors: beyond bypass therapy. AB - Inhibitor formation is among the most severe complications of hemophilia treatment. With a cumulative incidence of ~30% in those with severe hemophilia A and ~3% in those with severe hemophilia B, inhibitors are caused by a T-cell response directed against infused coagulation factor; these inhibitors neutralize factor VIII or IX activity and disrupt normal hemostasis. Inhibitor patients become unresponsive to standard factor treatment and, as an alternative, use bypass treatment (eg, recombinant factor VIIa or factor VIII inhibitor bypass activity). However, response to bypass agents is poorer and the burden of disease is higher, with greater morbidity, hospitalization, cost, and mortality, than in noninhibitor patients. Furthermore, inhibitor formation interferes with prophylaxis to prevent bleeding episodes and is a contraindication to gene therapy. Thus, more effective therapies for inhibitor patients are greatly needed. In the last several years, there has been an explosion of novel alternative hemostatic agents for hemophilia patients with and without inhibitors. These agents take advantage of technologic manipulation of coagulation factors and natural anticoagulants to promote hemostasis. The approaches include the following: (1) mutants or mimics of coagulation factors, rendering them resistant to natural anticoagulants; or (2) knock-down or disruption of natural anticoagulants, preventing degradation of coagulation factors. The purpose of this article was to review these novel alternative hemostatic agents and their mechanisms of action, as well as the preliminary pharmacokinetic, safety, and efficacy data available from early-phase clinical trials. PMID- 29222311 TI - Role of the microenvironment across histological subtypes of NHL. AB - Recent progress in next-generation sequencing strategies has revealed the genetic landscape of B-cell non-Hodgkin lymphoma, but the tumor microenvironment is increasingly recognized as crucial to sustaining malignant B-cell survival and growth, subclonal evolution, and drug resistance. The tumor niche is made up of a dynamic and organized network of strongly heterogeneous immune and stromal cell subsets characterized by specific phenotypic, transcriptomic, and functional features. Nonmalignant cell recruitment and plasticity are dictated by lymphoma B cells, which convert their surrounding microenvironment into a supportive niche. In addition, they are also influenced by the crosstalk between the various components of this niche. In agreement with this, the B-cell lymphoma subtype is a key determinant of the organization of the tumor niche, but genetic alteration patterns, tumor localization, stage of the disease, and treatment strategy may also modulate its composition and activity. Moreover, the complex set of bidirectional interactions between B cells and their microenvironment has been proposed as a promising therapeutic target with the aim of reinforcing antitumor immunity and/or of abbrogating the lymphoma-promoting signals delivered by the tumor niche. PMID- 29222312 TI - Harnessing the power of the immune system in non-Hodgkin lymphoma: immunomodulators, checkpoint inhibitors, and beyond. AB - Non-Hodgkin lymphoma is a malignancy of B lymphocytes that typically infiltrate sites of disease, including the lymph nodes, spleen, and bone marrow. Beyond the presence of malignant cells, many immune cells are also present within the tumor microenvironment. Although these immune cells have the potential to regulate the growth of malignant B cells, intratumoral immune cells are unable to eradicate lymphoma cells and most patients with lymphoma have clinical evidence of disease progression. Recent data have identified some of the mechanisms that account for the suppressed antitumor immune response and have created opportunities for treatment to overcome the deficiencies. Two general categories of immunological therapies are available. The first approach is to use agents that prevent inhibitory signals via immune checkpoint receptors that downregulate immune cell function. Blockade of suppressive programmed cell death 1 (PD-1) or CTLA-4 signaling has resulted in significant clinical activity by allowing intratumoral T cells to remain activated and target malignant cells. A second approach is to additionally activate T cells that are suboptimally active or suppressed, by providing signals through costimulatory molecules including CD27 or CD40 or by adding immunostimulatory cytokines. There has been significant heterogeneity in the responses to these treatment approaches. Clinical responses are seen in many diseases, but the most promising responses have been with PD-1 blockade in Hodgkin lymphoma. In other lymphomas, responses are seen but only in a subset of patients. Further research is needed to identify the mechanisms that account for response and to identify patients most likely to benefit from immune modulation. PMID- 29222314 TI - Plasma exchange in thrombotic microangiopathies (TMAs) other than thrombotic thrombocytopenic purpura (TTP). AB - Thrombotic microangiopathies (TMAs) are a diverse group of disorders that are characterized by common clinical and laboratory features. The most commonly thought-of TMA is thrombotic thrombocytopenic purpura (TTP). Because of the marked improvement in patient mortality associated with the use of therapeutic plasma exchange (TPE) in TTP, this therapy has been applied to all of the TMAs. The issue, however, is that the pathophysiology varies and in many instances may represent a disorder of the endothelium and not the blood; in some cases, the pathophysiology is unknown. The use of TPE is further obscured by a lack of strong supporting literature on its use, with most consisting of case series and case reports; controlled or randomized controlled trials are lacking. Evidence supporting the use of TPE in the treatment of TMAs (other than TTP and TMA complement mediated) is lacking, and therefore its role is uncertain. With the greater availability of genetic testing for mutations involving complement regulatory genes and complement pathway components, there seems to be a percentage of TMA cases, other than TMA-complement mediated, in which complement pathway mutations are involved in some patients. The ability of TPE to remove abnormal complement pathway components and replace them with normal components may support its use in some patients with TMAs other than TTP and TMA-complement mediated. PMID- 29222313 TI - Developing T-cell therapies for lymphoma without receptor engineering. AB - T-cell therapy has emerged from the bench for the treatment of patients with lymphoma. Responses to T-cell therapeutics are regulated by multiple factors, including the patient's immune system status and disease stage. Outside of engineering of chimeric antigen receptors and artificial T-cell receptors, T-cell therapy can be mediated by ex vivo expansion of antigen-specific T cells targeting viral and/or nonviral tumor-associated antigens. These approaches are contributing to enhanced clinical responses and overall survival. In this review, we summarize the available T-cell therapeutics beyond receptor engineering for the treatment of patients with lymphoma. PMID- 29222315 TI - Extracorporeal photopheresis: cellular therapy for the treatment of acute and chronic graft-versus-host disease. AB - Allogeneic hematopoietic stem cell transplantation (HSCT) is a potentially curative option for many disease states. Despite significant improvements in strategies used to prevent and treat acute and chronic graft-versus-host disease (a/cGVHD), they continue to negatively affect outcomes of HSCT significantly. Standard, first-line treatment consists of corticosteroids; beyond this, there is little consistency in therapeutic regimens. Current options include the addition of various immunosuppressive agents, the use of which puts patients at even higher risks for infection and other morbidities. Extracorporeal photopheresis (ECP) is a widely used cellular therapy currently approved by the US Food and Drug Administration for use in patients with cutaneous T-cell lymphoma; it involves the removal of peripherally circulating white blood cells, addition of a light sensitizer, exposure to UV light, and return of the cells to the patient. This results in a series of events ultimately culminating in transition from an inflammatory state to that of tolerance, without global immunosuppression or known long-term adverse effects. Large-scale, prospective studies of the use of ECP in patients with a/cGVHD are necessary in order to develop the optimal treatment regimens. PMID- 29222316 TI - HLA donor-specific antibodies in allogeneic hematopoietic stem cell transplantation: challenges and opportunities. AB - Allogenic hematopoietic stem cell recipients may have preformed antibodies directed against foreign HLA antigens. The use of partially HLA-mismatched allogeneic hematopoietic stem cell donors allows for the possibility of the presence of circulating HLA donor-specific antibodies (DSAs) in the recipient. The presence of DSAs at the time of stem cell infusion increases the risk of primary graft failure. More recently developed technology using solid phase immunoassays (SPIs) with fluorochrome-conjugated beads has greatly improved the ability to detect and classify DSAs. When used in combination with the classic lymphocytotoxic complement-dependent and flow cytometric crossmatch tests, SPIs help provide DSA strength assessment. Parous females frequently harbor DSAs. DSAs tend to be of higher intensity when directed against haploidentical first-degree relatives. DSA assessment requires frequent monitoring as their relative strength can change over time. Although the criteria that constitutes a prohibitive DSA is unknown, desensitization techniques can result in engraftment rates as experienced in fully HLA-matched allogeneic blood or marrow transplantation recipients. PMID- 29222317 TI - Thrombocytopenia in hospitalized patients: approach to the patient with thrombotic microangiopathy. AB - Thrombotic microangiopathies (TMAs), specifically, thrombotic thrombocytopenic purpura (TTP) and complement-mediated hemolytic uremic syndrome (CM-HUS) are acute life-threatening disorders that require prompt consideration, diagnosis, and treatment to improve the high inherent mortality and morbidity. Presentation is with microangiopathic hemolytic anemia and thrombocytopenia (MAHAT) and variable organ symptoms resulting from microvascular thrombi. Neurological and cardiac involvement is most common in TTP and associated with poorer prognosis and primarily renal involvement in CM-HUS. TTP is confirmed by severe ADAMTS13 deficiency (which can be undertaken in real time) and CM-HUS by an abnormality in complement regulators, confirmed by mutational analysis (in 60% to 70% of cases) or the presence of Factor H antibodies (which may not be available for weeks or months). Plasma exchange (PEX) should be started as soon as possible following consideration of these TMAs. Differentiation of the diagnosis requires specific treatment pathways thereafter (immunosuppression primarily for TTP and complement inhibitor therapy for CM-HUS). As the diagnosis is based on MAHAT, there are a number of other medical situations that need to be excluded and these are discussed within the article. Other differentials presenting as TMAs may also be associated with micro- or macrovascular thrombosis, yet are more likely to be due to direct endothelial damage, many of which do not have a clear therapeutic benefit with PEX. PMID- 29222318 TI - Assessing thrombocytopenia in the intensive care unit: the past, present, and future. AB - Thrombocytopenia is common among patients admitted to the intensive care unit (ICU). Multiple pathophysiological mechanisms may contribute, including thrombin mediated platelet activation, dilution, hemophagocytosis, extracellular histones, ADAMTS13 deficiency, and complement activation. From the clinical perspective, the development of thrombocytopenia in the ICU usually indicates serious organ system derangement and physiologic decompensation rather than a primary hematologic disorder. Thrombocytopenia is associated with bleeding, transfusion, and adverse clinical outcomes including death, though few deaths are directly attributable to bleeding. The assessment of thrombocytopenia begins by looking back to the patient's medical history and presenting illness. This past information, combined with careful observation of the platelet trajectory in the context of the patient's clinical course, offers clues to the diagnosis and prognosis. Management is primarily directed at the underlying disorder and transfusion of platelets to prevent or treat clinical bleeding. Optimal platelet transfusion strategies are not defined, and a conservative approach is recommended. PMID- 29222319 TI - HITs and misses in 100 years of heparin. AB - Heparin was discovered 100 years ago, and the heparin-induced thrombocytopenia syndrome was described 40 years ago. That the most powerful anticoagulant of the last century can also produce the most extreme prothrombotic diathesis is but one of the paradoxes that surround heparin-induced thrombocytopenia. Standard treatment is alternative anticoagulation. Advances continue to be made regarding pathophysiology, prevention, and treatment. Currently, an epidemic of overdiagnosis threatens the well-being of patients, so efforts to educate clinicians on when and how to make this diagnosis are pressing. PMID- 29222320 TI - Anticoagulation with VADs and ECMO: walking the tightrope. AB - The evolution of devices for mechanical circulatory support (MCS), including ventricular assist devices (VADs) for patients with heart failure and extracorporeal membrane oxygenation (ECMO) for patients with acute cardiac or respiratory failure, has improved survival for subsets of critically ill children and adults. The devices are intricate and complex, allowing blood to bypass the heart or lungs (or both). As blood flows through these artificial devices, normal hemostasis is disrupted, coagulation is promoted, and in the absence of anticoagulation, a thrombus may form in the device, resulting in device failure or embolic stroke. Therefore, anticoagulation is necessary to prevent thrombus formation and maintain device function. However, patients on MCS also have very high bleeding rates. Titrating anticoagulation to prevent hemorrhagic complications and thrombotic events can be a challenge, and hematologists may be consulted in complex cases. Substantial variability remains in the approach to anticoagulant and antiplatelet therapy for patients on MCS, largely because of the lack of high-quality data. Improvements in the design and manufacture of these devices, as well as in the individualized titration of antithrombotic intensity, are expected to enhance outcomes. Several factors pertaining to both the device and the patient (adult and children) should be considered when attempting to optimize this delicate balance. PMID- 29222321 TI - Thrombectomy and thrombolysis for the prevention and treatment of postthrombotic syndrome. AB - Postthrombotic syndrome (PTS) is a frequent complication of lower-extremity deep vein thrombosis (DVT), occurring in approximately 40% of patients despite the use of anticoagulant therapy. PTS causes significant impairment of patients' health related quality of life, and no evidence-based therapies have been consistently effective. Catheter-directed thrombolysis and thrombectomy have been shown to remove acute thrombus, and it has been hypothesized they could prevent or reduce PTS. However, because these procedures can be associated with complications, mainly bleeding, randomized trial data are needed to determine when they should be used. In this article, I summarize the current status of thrombus removal procedures for DVT to provide contemporary guidance to clinicians seeking to individualize treatment decisions for their patients. PMID- 29222322 TI - Inferior vena cava filter use and patient safety: legacy or science? AB - There has been a dramatic increase in vena cava filter (VCF) use over the past 20 years in the absence of evidence that filters provide a net patient benefit or are required in most cases. This increase is largely attributable to the availability of retrievable filters and expanded indications, particularly as primary prophylaxis in patients thought to be at high risk of pulmonary embolism. Substantial variability in VCF use, unrelated to patient clinical factors, has been shown between hospitals, from region to region, and among various countries. Despite the lack of direct evidence for the benefit of VCFs for any indication, it is appropriate to insert a retrievable VCF in patients with a recent proximal deep vein thrombosis and an absolute contraindication to therapeutic anticoagulation and then to remove the filter once the bleeding risk decreases and the patient has been anticoagulated. Unfortunately, a high proportion of retrievable filters are not removed, even after the reason for their placement has long passed. Retrievable filters are associated with substantial rates of complications if they are not removed, including penetration of the vena caval wall, fracture and embolization of filter fragments, and caval occlusion. Patient safety priorities and medical-legal concerns mandate careful selection of patients for VCF placement and removal shortly after anticoagulation has been initiated. PMID- 29222323 TI - Graft versus tumor effects and why people relapse. AB - Graft-versus-tumor (GVT) reactivity mediated by donor T cells in the context of allogeneic stem cell transplantation (alloSCT) is one of the most potent forms of cellular immunotherapy. The antitumor effect against hematologic malignancies is mediated by a polyclonal T-cell response targeting polymorphic antigens expressed on hematopoietic tissues of the recipient, leaving donor hematopoiesis in the patient after transplantation unharmed. Fortunately, hematopoietic tissues (including malignant hematopoietic cell populations) are relatively susceptible to T-cell recognition. If, however, nonhematopoietic tissues of the recipient are targeted as well, graft-versus-host disease (GVHD) will occur. The balance between GVT and GVHD is influenced by the genetic disparity between donor and recipient, the number and origin of professional antigen-presenting cells provoking the immune response, the target antigen specificity, magnitude and diversity of the response, and the in vivo inflammatory environment, whereas inhibitory factors may silence the immune response. Manipulation of each of these factors will determine the balance between GVT and GVHD. PMID- 29222324 TI - Pharmacologic agents to prevent and treat relapse after allogeneic hematopoietic cell transplantation. PMID- 29222325 TI - Cells to prevent/treat relapse following allogeneic stem cell transplantation. AB - Relapse of cancer remains one of the primary causes of treatment failure and mortality after allogeneic hematopoietic stem cell transplantation (HSCT). A multitude of approaches have been used in the management of posttransplant relapse. This review focuses on recent data with cellular therapies designed to treat or prevent posttransplant relapse of hematologic malignancies, although many of these therapeutic approaches also have applications to solid tumors and in the nontransplant setting. Currently available cell therapies include second transplant, natural killer cells, monocyte-derived dendritic cell vaccines, and lymphocytes via donor lymphocyte infusion, antigen-primed cytotoxic T lymphocytes, cytokine-induced killer cells, marrow-infiltrating lymphocytes, and chimeric antigen receptor T cells. These treatment options offer the prospect for improved relapse-free survival after HSCT. PMID- 29222326 TI - Acquired ribosomopathies in leukemia and solid tumors. AB - A mutation in the gene encoding the small subunit-associated ribosomal protein RPS19, leading to RPS19 haploinsufficiency, is one of the ribosomal protein gene defects responsible for the rare inherited bone marrow failure syndrome Diamond Blackfan anemia (DBA). Additional inherited and acquired defects in ribosomal proteins (RPs) continue to be identified and are the basis for a new class of diseases called the ribosomopathies. Acquired RPS14 haploinsufficiency has been found to be causative of the bone marrow failure found in 5q- myelodysplastic syndromes. Both under- and overexpression of RPs have also been implicated in several malignancies. This review will describe the somatic ribosomopathies that have been found to be associated with a variety of solid tumors as well as leukemia and will review cancers in which over- or underexpression of these proteins seem to be associated with outcome. PMID- 29222327 TI - Mitochondrially produced ATP affects stem cell pluripotency via Actl6a-mediated histone acetylation. AB - ATP is mainly generated by glycolysis in pluripotent stem cells (PSCs) and is consumed to maintain cell viability. Differences in mitochondrial activity among induced (i)PSCs with different degrees of pluripotency are poorly understood. In this study, by comparing gene expression and mitochondrial activity among iPSCs with different degrees of pluripotency, we found that mitochondrial complex I gene expression, complex I activity, and cellular ATP levels were much higher in fully pluripotent stem cell lines than in partially pluripotent stem cell lines. Actin-like protein 6a (Actl6a), a component of ATP-dependent chromatin remodeling and histone acetylation complexes, was more highly expressed in fully pluripotent stem cell lines. ATP promoted Actl6a expression and histone acetylation. Actl6a knockdown reduced the pluripotency of embryonic stem cells (ESCs), and this reduction could not be rescued by the addition of ATP. Furthermore, inhibiting ATP formation by treatment with rotenone reduced the pluripotency of ESCs. These data suggest that the abundance of mitochondrially produced ATP affects stem cell pluripotency via Actl6a-mediated histone acetylation.-Zhang, Y., Cui, P., Li, Y., Feng, G., Tong, M., Guo, L., Li, T., Liu, L., Li, W., Zhou, Q. Mitochondrially produced ATP affects stem cell pluripotency via Actl6a-mediated histone acetylation. PMID- 29222328 TI - Fructose and glucose can regulate mammalian target of rapamycin complex 1 and lipogenic gene expression via distinct pathways. AB - Although calorically equivalent to glucose, fructose appears to be more lipogenic, promoting dyslipidemia, fatty liver disease, cardiovascular disease, and diabetes. To better understand how fructose induces lipogenesis, we compared the effects of fructose and glucose on mammalian target of rapamycin complex 1 (mTORC1), which appeared to have both positive and negative effects on lipogenic gene expression. We found that fructose acutely and transiently suppressed mTORC1 signaling in vitro and in vivo The constitutive activation of mTORC1 reduced hepatic lipogenic gene expression and produced hypotriglyceridemia after 1 week of fructose feeding. In contrast, glucose did not suppress mTORC1, and the constitutive activation of mTORC1 failed to suppress plasma triglycerides after 1 week of glucose feeding. Thus, these data reveal fundamental differences in the signaling pathways used by fructose and glucose to regulate lipid metabolism. PMID- 29222329 TI - Glutaminolysis is required for transforming growth factor-beta1-induced myofibroblast differentiation and activation. AB - Myofibroblasts participate in physiological wound healing and pathological fibrosis. Myofibroblast differentiation is characterized by the expression of alpha-smooth muscle actin and extracellular matrix proteins and is dependent on metabolic reprogramming. In this study, we explored the role of glutaminolysis and metabolites of TCA in supporting myofibroblast differentiation. Glutaminolysis converts Gln into alpha-ketoglutarate (alpha-KG), a critical intermediate in the TCA cycle. Increases in the steady-state concentrations of TCA cycle metabolites including alpha-KG, succinate, fumarate, malate, and citrate were observed in TGF-beta1-differentiated myofibroblasts. The concentration of glutamate was also increased in TGF-beta1-differentiated myofibroblasts compared with controls, whereas glutamine levels were decreased, suggesting enhanced glutaminolysis. This was associated with TGF-beta1-induced expression of the glutaminase (GLS) isoform, GLS1, which converts Gln into glutamate, at both the mRNA and protein levels. The stimulation of GLS1 expression by TGF-beta1 was dependent on both SMAD3 and p38 mitogen-activated protein kinase activation. Depletion of extracellular Gln prevented TGF-beta1 induced myofibroblast differentiation. The removal of extracellular Gln postmyofibroblast differentiation decreased the expression of the profibrotic markers fibronectin and hypoxia-inducible factor-1alpha and reversed TGF-beta1 induced metabolic reprogramming. Silencing of GLS1 expression, in the presence of Gln, abrogated TGF-beta1-induced expression of profibrotic markers. Treatment of GLS1-deficient myofibroblasts with exogenous glutamate or alpha-KG restored TGF beta1-induced expression of profibrotic markers in GLS1-deficient myofibroblasts. Together, these data demonstrate that glutaminolysis is a critical component of myofibroblast metabolic reprogramming that regulates myofibroblast differentiation. PMID- 29222330 TI - Discovery of stimulator binding to a conserved pocket in the heme domain of soluble guanylyl cyclase. AB - Soluble guanylyl cyclase (sGC) is the receptor for nitric oxide and a highly sought-after therapeutic target for the management of cardiovascular diseases. New compounds that stimulate sGC show clinical promise, but where these stimulator compounds bind and how they function remains unknown. Here, using a photolyzable diazirine derivative of a novel stimulator compound, IWP-051, and MS analysis, we localized drug binding to the beta1 heme domain of sGC proteins from the hawkmoth Manduca sexta and from human. Covalent attachments to the stimulator were also identified in bacterial homologs of the sGC heme domain, referred to as H-NOX domains, including those from Nostoc sp. PCC 7120, Shewanella oneidensis, Shewanella woodyi, and Clostridium botulinum, indicating that the binding site is highly conserved. The identification of photoaffinity-labeled peptides was aided by a signature MS fragmentation pattern of general applicability for unequivocal identification of covalently attached compounds. Using NMR, we also examined stimulator binding to sGC from M. sexta and bacterial H-NOX homologs. These data indicated that stimulators bind to a conserved cleft between two subdomains in the sGC heme domain. L12W/T48W substitutions within the binding pocket resulted in a 9-fold decrease in drug response, suggesting that the bulkier tryptophan residues directly block stimulator binding. The localization of stimulator binding to the sGC heme domain reported here resolves the longstanding question of where stimulators bind and provides a path forward for drug discovery. PMID- 29222331 TI - A hypertension-associated mitochondrial DNA mutation introduces an m1G37 modification into tRNAMet, altering its structure and function. AB - Defective nucleotide modifications of mitochondrial tRNAs have been associated with several human diseases, but their pathophysiology remains poorly understood. In this report, we investigated the pathogenic molecular mechanism underlying a hypertension-associated 4435A->G mutation in mitochondrial tRNAMet The m.4435A->G mutation affected a highly conserved adenosine at position 37, 3' adjacent to the tRNA's anticodon, which is important for the fidelity of codon recognition and stabilization. We hypothesized that the m.4435A->G mutation introduced an m1G37 modification of tRNAMet, altering its structure and function. Primer extension and methylation activity assays indeed confirmed that the m.4435A->G mutation created a tRNA methyltransferase 5 (TRMT5)-catalyzed m1G37 modification of tRNAMet We found that this mutation altered the tRNAMet structure, indicated by an increased melting temperature and electrophoretic mobility of the mutated tRNA compared with the wildtype molecule. We demonstrated that cybrid cell lines carrying the m.4435A->G mutation exhibited significantly decreased efficiency in aminoacylation and steady-state levels of tRNAMet, as compared with those of control cybrids. The aberrant tRNAMet metabolism resulted in variable decreases in mitochondrial DNA (mtDNA)-encoded polypeptides in the mutant cybrids. Furthermore, we found that the m.4435A->G mutation caused respiratory deficiency, markedly diminished mitochondrial ATP levels and membrane potential, and increased the production of reactive oxygen species in mutant cybrids. These results demonstrated that an aberrant m1G37 modification of mitochondrial tRNAMet affected the structure and function of its tRNA and consequently altered mitochondrial function. Our findings provide critical insights into the pathophysiology of maternally inherited hypertension, which is manifested by the deficient tRNA nucleotide modification. PMID- 29222332 TI - Stabilization of the gp120 V3 loop through hydrophobic interactions reduces the immunodominant V3-directed non-neutralizing response to HIV-1 envelope trimers. AB - To provide protective immunity against circulating primary HIV-1 strains, a vaccine most likely has to induce broadly neutralizing antibodies to the HIV-1 envelope glycoprotein (Env) spike. Recombinant Env trimers such as the prototype BG505 SOSIP.664 that closely mimic the native Env spike can induce autologous neutralizing antibodies (NAbs) against relatively resistant (tier 2) primary viruses. Ideally, Env immunogens should present broadly neutralizing antibody epitopes but limit the presentation of immunodominant non-NAb epitopes that might induce off-target and potentially interfering responses. The V3 loop in gp120 is such a non-NAb epitope that can effectively elicit non-NAbs when animals are immunized with SOSIP.664 trimers. V3 immunogenicity can be diminished, but not abolished, by reducing the conformational flexibility of trimers via targeted sequence changes, including an A316W substitution in V3, that create the SOSIP.v4.1 and SOSIP.v5.2 variants. Here, we further modified these trimer designs by introducing leucine residues at V3 positions 306 and 308 to create hydrophobic interactions with the tryptophan residue at position 316 and with other topologically proximal sites in the V1V2 domain. Together, these modifications further stabilized the resulting SOSIP.v5.2 S306L/R308L trimers in the prefusion state in which V3 is sequestered. When we tested these trimers as immunogens in rabbits, the induction of V3 non-NAbs was significantly reduced compared with the SOSIP.v5.2 trimers and even more so compared with the SOSIP.664 prototype, without affecting the autologous NAb response. Hence, these additional trimer sequence modifications may be beneficial for immunization strategies that seek to minimize off-target non-NAb responses. PMID- 29222333 TI - Structural determinants of bacterial lytic polysaccharide monooxygenase functionality. AB - Bacterial lytic polysaccharide monooxygenases (LPMO10s) use redox chemistry to cleave glycosidic bonds in the two foremost recalcitrant polysaccharides found in nature, namely cellulose and chitin. Analysis of correlated mutations revealed that the substrate-binding and copper-containing surface of LPMO10s composes a network of co-evolved residues and interactions, whose roles in LPMO functionality are unclear. Here, we mutated a subset of these correlated residues in a newly characterized C1/C4-oxidizing LPMO10 from Micromonospora aurantiaca (MaLPMO10B) to the corresponding residues in strictly C1-oxidizing LPMO10s. We found that surface properties near the catalytic copper, i.e. side chains likely to be involved in substrate positioning, are major determinants of the C1:C4 ratio. Several MaLPMO10B mutants almost completely lost C4-oxidizing activity while maintaining C1-oxidizing activity. These mutants also lost chitin-oxidizing activity, which is typically observed for C1/C4-oxidizing, but not for C1 oxidizing, cellulose-active LPMO10s. Selective loss in C1-oxidizing activity was not observed. Additional mutational experiments disclosed that neither truncation of the MaLPMO10B family 2 carbohydrate-binding module nor mutations altering access to the solvent-exposed axial copper coordination site significantly change the C1:C4 ratio. Importantly, several of the mutations that altered interactions with the substrate exhibited reduced stability. This effect could be explained by productive substrate binding that protects LPMOs from oxidative self inactivation. We discuss these stability issues in view of recent findings on LPMO catalysis, such as the involvement of H2O2 Our results show that residues on the substrate-binding surface of LPMOs have co-evolved to optimize several of the interconnected properties: substrate binding and specificity, oxidative regioselectivity, catalytic efficiency, and stability. PMID- 29222336 TI - Taking control of alcohol-related emergency department visits. PMID- 29222334 TI - Cellular FLIP long isoform (cFLIPL)-IKKalpha interactions inhibit IRF7 activation, representing a new cellular strategy to inhibit IFNalpha expression. AB - Interferon alpha (IFNalpha) is important for antiviral and anticancer defenses. However, overproduction is associated with autoimmune disorders. Thus, the cell must precisely up- and down-regulate IFNalpha to achieve immune system homeostasis. The cellular FLICE-like inhibitory protein (cFLIP) is reported to inhibit IFNalpha production. However, the mechanism for this antagonism remained unknown. The goal here was to identify this mechanism. Here we examined the signal transduction events that occur during TLR9-induced IRF7 activation. The cFLIP long isoform (cFLIPL) inhibited the expression of IRF7-controlled natural or synthetic genes in several cell lines, including those with abundant IRF7 protein levels (e.g. dendritic cells). cFLIPL inhibited IRF7 phosphorylation; however, cFLIPL-IRF7 interactions were not detectable, implying that cFLIPL acted upstream of IRF7 dimerization. Interestingly, cFLIPL co-immunoprecipitated with IKKalpha, and these interactions correlated with a loss of IKKalpha-IRF7 interactions. Thus, cFLIP appears to bind to IKKalpha to prevent IKKalpha from phosphorylating and activating IRF7. To the best of our knowledge, this is the first report of a cellular protein that uses this approach to inhibit IRF7 activation. Perhaps this cFLIP property could be engineered to minimize the deleterious effects of IFNalpha expression that occur during certain autoimmune disorders. PMID- 29222337 TI - Menopausal Hormone Therapy and Cardiovascular Disease: Unraveling the Role of Age and Time Since Menopause Onset. PMID- 29222335 TI - Single-cell transcriptome sequencing reveals that cell division cycle 5-like protein is essential for porcine oocyte maturation. AB - The brilliant cresyl blue (BCB) test is used in both basic biological research and assisted reproduction to identify oocytes likely to be developmentally competent. However, the underlying molecular mechanism targeted by the BCB test is still unclear. To explore this question, we first confirmed that BCB-positive porcine oocytes had higher rates of meiotic maturation, better rates of cleavage and development into blastocysts, and lower death rates. Subsequent single-cell transcriptome sequencing on porcine germinal vesicle (GV)-stage oocytes identified 155 genes that were significantly differentially expressed between BCB negative and BCB-positive oocytes. These included genes such as cdc5l, ldha, spata22, rgs2, paip1, wee1b, and hsp27, which are enriched in functionally important signaling pathways including cell cycle regulation, oocyte meiosis, spliceosome formation, and nucleotide excision repair. In BCB-positive GV oocytes that additionally had a lower frequency of DNA double-strand breaks, the CDC5L protein was significantly more abundant. cdc5l/CDC5L inhibition by short interference (si)RNA or antibody microinjection significantly impaired porcine oocyte meiotic maturation and subsequent parthenote development. Taken together, our single-oocyte sequencing data point to a potential new role for CDC5L in porcine oocyte meiosis and early embryo development, and supports further analysis of this protein in the context of the BCB test. PMID- 29222338 TI - Blood Sample Transportation by Pneumatic Transportation Systems: A Systematic Literature Review. AB - BACKGROUND: Pneumatic transportation systems (PTSs) are increasingly used for transportation of blood samples to the core laboratory. Many studies have investigated the impact of these systems on different types of analyses, but to elucidate whether PTSs in general are safe for transportation of blood samples, existing literature on the subject was systematically assessed. METHODS: A systematic literature review was conducted following the preferred reporting items for systematic reviews and metaanalyses (PRISMA) Statement guidelines to gather studies investigating the impact of PTS on analyses in blood samples. Studies were extracted from PubMed and Embase. The search period ended November 2016. RESULTS: A total of 39 studies were retrieved. Of these, only 12 studies were conducted on inpatients, mainly intensive care unit patients. Blood gases, hematology, and clinical chemistry were well investigated, whereas coagulation, rotational thromboelastometry, and platelet function in acutely ill patients were addressed by only 1 study each. Only a few parameters were affected in a clinically significant way (clotting time parameter in extrinsic system thromboelastometry, pO2 in blood gas, multiplate analysis, and the hemolysis index). CONCLUSIONS: Owing to their high degree of heterogeneity, the retrieved studies were unable to supply evidence for the safety of using PTSs for blood sample transportation. In consequence, laboratories need to measure and document the actual acceleration forces in their existing PTS, instituting quality target thresholds for these measurements such as acceleration vector sums. Computer modeling might be applied to the evaluation of future PTS installations. With the increasing use of PTS, a harmonized, international recommendation on this topic is warranted. PMID- 29222340 TI - Evolution of Materials in Novel Point-of-Care Diagnostics. PMID- 29222339 TI - The Biological Variation Data Critical Appraisal Checklist: A Standard for Evaluating Studies on Biological Variation. AB - BACKGROUND: Concern has been raised about the quality of available biological variation (BV) estimates and the effect of their application in clinical practice. A European Federation of Clinical Chemistry and Laboratory Medicine Task and Finish Group has addressed this issue. The aim of this report is to (a) describe the Biological Variation Data Critical Appraisal Checklist (BIVAC), which verifies whether publications have included all essential elements that may impact the veracity of associated BV estimates, (b) use the BIVAC to critically appraise existing BV publications on enzymes, lipids, kidney, and diabetes related measurands, and (c) apply metaanalysis to deliver a global within-subject BV (CVI) estimate for alanine aminotransferase (ALT). METHODS: In the BIVAC, publications were rated as A, B, C, or D, indicating descending compliance for 14 BIVAC quality items, focusing on study design, methodology, and statistical handling. A D grade indicated that associated BV estimates should not be applied in clinical practice. Systematic searches were applied to identify BV studies for 28 different measurands. RESULTS: In total, 128 publications were identified, providing 935 different BV estimates. Nine percent achieved D scores. Outlier analysis and variance homogeneity testing were scored as C in >60% of 847 cases. Metaanalysis delivered a CVI estimate for ALT of 15.4%. CONCLUSIONS: Application of BIVAC to BV publications identified deficiencies in required study detail and delivery, especially for statistical analysis. Those deficiencies impact the veracity of BV estimates. BV data from BIVAC-compliant studies can be combined to deliver robust global estimates for safe clinical application. PMID- 29222341 TI - Spherical Nucleic Acids: Adding a New Dimension to Nucleic Acids and Clinical Chemistry. PMID- 29222342 TI - Regulation of Crossover Frequency and Distribution during Meiotic Recombination. AB - Crossover recombination is essential for generating genetic diversity and promoting accurate chromosome segregation during meiosis. The process of crossover recombination is tightly regulated and is initiated by the formation of programmed meiotic DNA double-strand breaks (DSBs). The number of DSBs is around 10-fold higher than the number of crossovers in most species, because only a limited number of DSBs are repaired as crossovers during meiosis. Moreover, crossovers are not randomly distributed. Most crossovers are located on chromosomal arm regions and both centromeres and telomeres are usually devoid of crossovers. Either loss or mislocalization of crossovers frequently results in chromosome nondisjunction and subsequent aneuploidy, leading to infertility, miscarriages, and birth defects such as Down syndrome. Here, we will review aspects of crossover regulation observed in most species and then focus on crossover regulation in the nematode Caenorhabditis elegans in which both the frequency and distribution of crossovers are tightly controlled. In this system, only a single crossover is formed, usually at an off-centered position, between each pair of homologous chromosomes. We have identified C. elegans mutants with deregulated crossover distribution, and we are analyzing crossover control by using an inducible single DSB system with which a single crossover can be produced at specific genomic positions. These combined studies are revealing novel insights into how crossover position is linked to accurate chromosome segregation. PMID- 29222343 TI - Bacterial cyclic beta-(1,2)-glucans sequester iron to protect against iron induced toxicity. AB - Cellular iron homeostasis is critical for survival and growth. Bacteria employ a variety of strategies to sequester iron from the environment and to store intracellular iron surplus that can be utilized in iron-restricted conditions while also limiting the potential for the production of iron-induced reactive oxygen species (ROS). Here, we report that membrane-derived oligosaccharide (mdo) glucan, an intrinsic component of Gram-negative bacteria, sequesters the ferrous form of iron. Iron-binding, uptake, and localization experiments indicated that both secreted and periplasmic beta-(1,2)-glucans bind iron specifically and promote growth under iron-restricted conditions. Xanthomonas campestris and Escherichia coli mutants blocked in the production of beta-(1,2)-glucan accumulate low amounts of intracellular iron under iron-restricted conditions, whereas they exhibit elevated ROS production and sensitivity under iron-replete conditions. Our results reveal a critical role of glucan in intracellular iron homeostasis conserved in Gram-negative bacteria. PMID- 29222344 TI - TRIP6 inhibits Hippo signaling in response to tension at adherens junctions. AB - The transcriptional co-activator YAP controls cell proliferation, survival, and tissue regeneration in response to changes in the mechanical environment. It is not known how mechanical stimuli such as tension are sensed and how the signal is transduced to control YAP activity. Here, we show that the LIM domain protein TRIP6 acts as part of a mechanotransduction pathway at adherens junctions to promote YAP activity by inhibiting the LATS1/2 kinases. Previous studies showed that vinculin at adherens junctions becomes activated by mechanical tension. We show that vinculin inhibits Hippo signaling by recruiting TRIP6 to adherens junctions and stimulating its binding to and inhibition of LATS1/2 in response to tension. TRIP6 competes with MOB1 for binding to LATS1/2 thereby blocking MOB1 from recruiting the LATS1/2 activating kinases MST1/2. Together, these findings reveal a novel pathway that responds to tension at adherens junctions to control Hippo pathway signaling. PMID- 29222345 TI - Type VI secretion system sheath inter-subunit interactions modulate its contraction. AB - Secretion systems are essential for bacteria to survive and manipulate their environment. The bacterial type VI secretion system (T6SS) generates the force needed for protein translocation by the contraction of a long polymer called sheath. The sheath is a six-start helical assembly of interconnected VipA/VipB subunits. The mechanism of T6SS sheath contraction is unknown. Here, we show that elongating the N-terminal VipA linker or eliminating charge of a specific VipB residue abolishes sheath contraction and delivery of effectors into target cells. Mass spectrometry analysis identified the inner tube protein Hcp, spike protein VgrG, and other components of the T6SS baseplate significantly enriched in samples of the stable non-contractile sheaths. The ability to lock the T6SS in the pre-firing state opens new possibilities for understanding its mode of action. PMID- 29222346 TI - Adiposity, Inflammation, and Breast Cancer Pathogenesis in Asian Women. AB - Obesity is associated with white adipose tissue (WAT) inflammation in the breast, elevated levels of the estrogen biosynthetic enzyme, aromatase, and systemic changes that predispose to breast cancer development. We examined whether WAT inflammation and its associated systemic effects correlate with body fat levels in an Asian population where body mass index (BMI) is not an accurate assessment of obesity and cancer risk. We also investigated whether biologic differences could account for the greater proportion of premenopausal estrogen receptor (ER) positive breast cancer in Asian versus Western countries. Breast WAT and fasting blood were prospectively collected from Taiwanese women undergoing mastectomy for breast cancer treatment. Body composition was measured in a subgroup using bioelectrical impedance analysis. WAT inflammation was defined by the presence of crown-like structures of the breast, which are composed of dead or dying adipocytes surrounded by macrophages. Findings were compared with U.S. Caucasian women. In the Taiwanese cohort (n = 72), breast WAT inflammation was present in 31 (43%) women and was associated with elevated BMI (P < 0.01) and increased levels of body fat (P < 0.01), C-reactive protein (P = 0.02), triglycerides (P < 0.01), insulin resistance scores (P = 0.04), and lower HDL cholesterol (P < 0.01). ER+ tumors were associated with greater body fat versus other subtypes (P = 0.03). Compared with U.S. Caucasians (n = 267), Taiwanese women had larger breast adipocytes despite lower BMI after adjusting for BMI and menopausal status (P = 0.01). A subclinical inflammatory state associated with increased adiposity and metabolic dysfunction could contribute to breast cancer pathogenesis in Asian women. Cancer Prev Res; 11(4); 227-36. (c)2017 AACR. PMID- 29222349 TI - Inequity in biological DMARD prescription for spondyloarthritis across the globe: results from the ASAS-COMOSPA study. AB - OBJECTIVES: The value of biological disease-modifying antirheumatic drugs (bDMARDs) in spondyloarthritis (SpA) is well recognised, but global access to these treatments can be limited due to high costs and other factors. This study explores country variation in the use of bDMARDs in SpA in relation to country level socioeconomic factors. METHODS: Patients fulfilling the Assessment in SpondyloArthritis International Society (ASAS) SpA criteria in the multinational, cross-sectional ASAS Comorbidities in Spondyloarthritis study were studied. Current use of bDMARDs or conventional synthetic DMARDs (csDMARDs) was investigated in separate models, with multilevel logistic regression analysis, taking the country level into account. Contribution of socioeconomic factors, including country health expenditures, gross domestic product and human development index as independent country-level factors, was explored individually, in models adjusted for sociodemographic as well as clinical variables. RESULTS: In total, 3370 patients from 22 countries were included (mean (SD) age 43 (14) years; 66% male; 88% axial disease). Across countries, 1275 (38%) patients were bDMARD users. Crude mean bDMARD use varied between 5% (China) to 74% (Belgium). After adjustment for relevant sociodemographic and clinical variables, important variation in bDMARD use across countries remained (P<0.001). Country-level socioeconomic factors, specifically higher health expenditures, were related to higher bDMARD uptake, though not meeting statistical significance (OR 1.96; 95% CI 0.94 to 4.10). csDMARD uptake was significantly lower in countries with higher health expenditures (OR 0.32; 95% CI 0.15 to 0.65). Similar trends were seen with the other socioeconomic variables. CONCLUSIONS: There remains important residual variation across countries in bDMARD uptake of patients with SpA followed in specialised SpA centres. This is independent of well-known factors for bDMARD use such as clinical and country-level socioeconomic factors. PMID- 29222347 TI - Pioglitazone Inhibits Periprostatic White Adipose Tissue Inflammation in Obese Mice. AB - Obesity is associated with an increased incidence of high-grade prostate cancer and poor prognosis for prostate cancer patients. Recently, we showed that obesity related periprostatic white adipose tissue (WAT) inflammation, characterized by crown-like structures (CLS) consisting of dead or dying adipocytes surrounded by macrophages, was associated with high-grade prostate cancer. It is possible, therefore, that agents that suppress periprostatic WAT inflammation will alter the development or progression of prostate cancer. Pioglitazone, a ligand of PPARgamma, is used to treat diabetes and possesses anti-inflammatory properties. Here, our main objectives were to determine whether pioglitazone inhibited obesity-related periprostatic WAT inflammation in mice and then to elucidate the underlying mechanism. Treatment with pioglitazone reduced the density of CLS in periprostatic fat and suppressed levels of TNFalpha, TGFbeta, and the chemokine monocyte chemoattractant protein-1 (MCP-1). Importantly, the ability of pioglitazone to suppress periprostatic WAT inflammation was abrogated in MCP-1 knockout mice. Pioglitazone caused dose-dependent induction of both adiponectin, an anti-inflammatory adipokine, and its receptor AdipoR2 in cultured 3T3-L1 cells and in periprostatic WAT of obese mice. Pioglitazone blocked TNFalpha-mediated induction of MCP-1 in 3T3-L1 cells, an effect that was attenuated when either adiponectin or AdipoR2 were silenced. Taken together, pioglitazone-mediated induction of adiponectin suppressed the elevation in MCP-1 levels, thereby attenuating obesity-related periprostatic WAT inflammation. These findings strengthen the rationale for future efforts to determine whether targeting the PPARgamma-adiponectin-MCP-1 axis will decrease periprostatic adipose inflammation and thereby reduce the risk of high-grade prostate cancer or improve outcomes for men with prostate cancer. Cancer Prev Res; 11(4); 215-26. (c)2017 AACR. PMID- 29222350 TI - Leflunomide use during pregnancy and the risk of adverse pregnancy outcomes. AB - OBJECTIVES: Leflunomide is known to be embryotoxic and teratogenic in rodents. However, there is less evidence in humans. We quantified the risk of major congenital malformation (MCM), prematurity, low birth weight (LBW) and spontaneous abortion associated with leflunomide exposure during pregnancy in humans. METHODS: From a cohort of 289 688 pregnancies in Montreal, Quebec, Canada, from 1998 to 2015, first-trimester leflunomide exposure and other antirheumatic drug exposures were studied for their association with MCM and spontaneous abortions. Also second or third-trimester leflunomide exposures were examined for associations with prematurity and LBW. Logistic regression model based generalised estimating equations were used. RESULTS: 51 pregnancies were exposed to leflunomide during the first trimester, and 21 during the second/third trimesters. Adjusting for potential confounders, use of leflunomide during the first trimester of pregnancy was not associated with the risk of MCM (adjusted OR (aOR) 0.97, 95% CI 0.81 to 1.16; 5 exposed cases). No association was found between second/third-trimester exposure to leflunomide and the risk of prematurity (aOR 4.03, 95% CI 0.91 to 17.85; 7 exposed cases) nor LBW (aOR 1.06, 95%CI 0.90 to 1.25; 8 exposed cases). Pregnancy exposure to leflunomide was also not associated with the risk of spontaneous abortion (aOR 1.09, 95% CI 0.90 to 1.32; 11 exposed cases). CONCLUSIONS: Maternal exposure to leflunomide during pregnancy was not associated with statistically significant increased risk of MCMs, prematurity, LBW or spontaneous abortions. However, given that relatively few women were exposed to leflunomide during pregnancy in this cohort, caution remains warranted. PMID- 29222348 TI - Insulin degrading enzyme contributes to the pathology in a mixed model of Type 2 diabetes and Alzheimer's disease: possible mechanisms of IDE in T2D and AD. AB - Insulin degrading enzyme (IDE) is believed to act as a junction point of Type 2 diabetes (T2D) and Alzheimer's disease (AD); however, the underlying mechanism was not completely clear yet. Transgenic APPSwe/PS1 mice were used as the AD model and were treated with streptozocin/streptozotocin (STZ) to develop a mixed mice model presenting both AD and T2D. Morris Water Maze (MWM) and recognition task were performed to trace the cognitive function. The detection of fasting plasma glucose (FPG) and plasma insulin concentration, and oral glucose tolerance test (OGTT) were used to trace the metabolism evolution. Abeta40 and Abeta42 were quantified by colorimetric ELISA kits. The mRNA or protein expression levels were determined by quantitative real-time RT-PCR and Western blotting analysis respectively. T2D contributes to the AD progress by accelerating and worsening spatial learning and recognition impairments. Metabolic parameters and glucose tolerance were significantly changed in the presence of the AD and T2D. The expression levels of IDE, PPARgamma, and AMPK were down-regulated in mice with AD and T2D. PPARgamma activator rosiglitazone (RSZ) or AMPK activator AICAR increased the expression level of IDE and decreased Abeta levels in mice with AD and T2D. RSZ or AICAR treatment also alleviated the spatial learning and recognition impairments in AD and T2D mice. Our results found that, in the mice with T2D and AD, the activators of PPARgamma/AMPK signaling pathway significantly increased the expression level of IDE, and decreased the accumulation of Abeta40 and Abeta42, as well as alleviated the spatial learning and recognition impairments. PMID- 29222351 TI - How are junior doctors managing patients with self-limiting illnesses at their first presentation? A video vignette study. AB - PURPOSE: To conduct a video vignette survey of medical students and doctors investigating test ordering for patients presenting with self-limiting or minor illness. METHODS: Participants were shown six video vignettes of common self limiting illnesses and invited to devise investigation and management plans for the patients' current presentation. The number of tests ordered was compared with those recommended by an expert panel. A Theory of Planned Behaviour Questionnaire explored participants' beliefs and attitudes about ordering tests in the context of self-limiting illness. RESULTS: Participants (n=61) were recruited from across Australia. All participants ordered at least one test that was not recommended by the experts in most cases. Presentations that focused mainly on symptoms (eg, in cases with bowel habit disturbance and fatigue) resulted in more tests being ordered. A test not recommended by experts was ordered on 54.9% of occasions. With regard to attitudes to test ordering, junior doctors were strongly influenced by social norms. The number of questionable tests ordered in this survey of 366 consultations has a projected cost of $17 000. CONCLUSIONS: This study suggests that there is some evidence of questionable test ordering by these participants with significant implications for costs to the health system. Further research is needed to explore the extent and reasons for test ordering by junior doctors across a range of clinical settings. PMID- 29222353 TI - CMS releases medication review performance data as part of Medicare Star ratings. PMID- 29222352 TI - Lack of information threatens ability to plan for drug shortages. PMID- 29222354 TI - Students help Medicare beneficiaries optimize their Part D benefit. PMID- 29222355 TI - Corrections. PMID- 29222356 TI - Corrections. PMID- 29222357 TI - Corrections. PMID- 29222358 TI - Leveraging precision medicine to mitigate medication-safety challenges. PMID- 29222359 TI - Pharmacy technician-administered vaccines in Idaho. PMID- 29222360 TI - Antiviral treatment of BK virus viremia after kidney transplantation. AB - PURPOSE: The various antiviral treatment options in the management of BK virus (BKV) viremia and BKV-associated nephropathy (BKVAN) are reviewed. SUMMARY: Review of the PubMed database from 1990 to 2016 for all English language case series, cohort studies, and randomized controlled trials detailing antiviral treatment of BKV viremia or BKVAN in kidney transplant recipients returned only 16 published reports. The majority of these reports were based on small case series or protocol-based cohort studies, with no prospective head-to-head data and only modest benefit reported for cidofovir, leflunomide, i.v. immunoglobulin (IVIG), and fluoroquinolone therapy. Given the lack of comparative data, appropriate antiviral treatment of BKV viremia should be determined based on institutional immunosuppressive protocols and posttransplantation outcomes. In appropriate patients who are not immunologically sensitized, substituting leflunomide for mycophenolate as part of immunosuppression reduction is reasonable and may result in viral clearance in up to 43% of patients at 4 weeks. In patients with persistent viremia despite immunosuppression reduction, either IVIG 2 g/kg administered over 2-5 days or cidofovir 0.5 mg/kg per week until viral clearance is achieved is generally well tolerated. Otherwise, there is insufficient evidence to recommend the use of fluoroquinolone therapy in either the treatment or prophylaxis of BKV viremia at this time. CONCLUSION: A review of the published literature revealed that certain populations of patients with BKV viremia or BKVAN can benefit from cidofovir, leflunomide, and IVIG therapy, but these data were derived from case series or protocol-driven cohort studies. Providers should treat patients on an individual basis to maximize clinical effectiveness while limiting adverse reactions. PMID- 29222361 TI - Evaluation of opioid prescribing after rescheduling of hydrocodone-containing products. AB - PURPOSE: Institutional prescribing trends of hydrocodone-containing products (HCPs) before and after the Drug Enforcement Administration's rescheduling of HCPs were evaluated. METHODS: A retrospective evaluation was performed on 6 oral opioid analgesics on the hospital formulary that were prescribed to patients treated at Texas Children's Hospital and Pavilion for Women for the 6 months before and after the rescheduling of HCPs on October 6, 2014. Patients were eligible for inclusion if they were prescribed any of the following oral agents: HCPs (e.g., hydrocodone with acetaminophen), codeine-containing products (e.g., codeine, codeine with acetaminophen), morphine, hydromorphone, oxycodone containing products (e.g., oxycodone, oxycodone with acetaminophen), and tramadol. RESULTS: During the 12-month study period, a total of 38,928 inpatient orders and outpatient prescriptions were processed for the studied agents in both locations; the majority were orders for inpatients. An overall reduction in the total number of opioid prescriptions was observed after the rescheduling of HCPs. Substantial increases in the proportional use of codeine were observed in all 4 settings after HCP rescheduling. Data for each of the agents revealed a shift in prescribing patterns centered along the HCP rescheduling date of October 6, 2014, and revealed a decrease in HCP use across all areas with an accompanying increase in codeine-containing products, oxycodone-containing products, and tramadol. CONCLUSION: The rescheduling of HCPs resulted in a reduction in HCP prescriptions but was accompanied by increases in the use of codeine-containing products and tramadol in all settings. PMID- 29222362 TI - Randomized controlled evaluation of an insulin pen storage policy. AB - PURPOSE: Results of a quality-improvement project to enhance safeguards against "wrong-pen-to-patient" insulin pen errors by permitting secure bedside storage of insulin pens are reported. METHODS: A cluster-randomized controlled evaluation was conducted at an academic medical center to assess adherence with institutional policy on insulin pen storage before and after implementation of a revised policy allowing pen storage in locking boxes in patient rooms. In phase 1 of the study, baseline data on policy adherence were captured for 8 patient care units (4 designated as intervention units and 4 designated as control units). In phase 2, policy adherence was assessed through direct observation during weekly audits after lock boxes were installed on intervention units and education on proper insulin pen storage was provided to nurses in all 8 units. RESULTS: Phase 1 rates of adherence to insulin pen storage policy were 59% in the intervention units and 49% in the control units (p = 0.56). During phase 2, there was no significant change from baseline in control unit adherence (67%, p = 0.26), but adherence in intervention units improved significantly, to 89% (p = 0.005). Common types of observed nonadherence included pens being unsecured in patient rooms or nurses' pockets or left in patient-specific medication drawers after patient discharge. CONCLUSION: An institutional policy change permitting secure storage of insulin pens close to the point of care, paired with nurse education, increased adherence more than education alone. PMID- 29222363 TI - Stability of a pyrimethamine suspension compounded from bulk powder. AB - PURPOSE: Development of a stability-indicating high-performance liquid chromatography (HPLC) method for pyrimethamine analysis, with subsequent application of that method to assess the 90-day stability of a pyrimethamine suspension compounded from bulk USP-grade pyrimethamine powder, is described. METHODS: A stability-indicating method of HPLC with ultraviolet detection specific to pyrimethamine was developed according to pharmacopeial recommendations and validated. The method was applied to investigate the stability of a 2-mg/mL pyrimethamine suspension in a vehicle consisting of Ora Plus and Ora-Sweet (Perrigo) over a period of 90 days. Three replicate test preparations were stored at room temperature or refrigerated at 4.3-5.2 degrees C, and samples were analyzed in duplicate immediately after preparation and on study days 1, 2, 4, 7, 10, 14, 21, 30, 48, 60, 75, and 90. RESULTS: The 2-mg/mL suspension of pyrimethamine in Ora-Plus and Ora-Sweet retained 90-110% of the labeled potency to 90 days at both temperature ranges. However, color changes in the samples stored at room temperature observed at day 60 indicated that a beyond use date less than 90 days from the preparation date should be specified when the suspension is to be stored at room temperature. CONCLUSION: The study demonstrated that USP-grade pyrimethamine powder can be formulated as a 2-mg/mL suspension in a vehicle of Ora-Plus and Ora-Sweet and is stable when stored at room temperature and when refrigerated, in amber plastic bottles, for 48 and 90 days, respectively. PMID- 29222364 TI - Investigating inpatient medication administration using the theory of planned behavior. AB - PURPOSE: Results of a study to determine behavioral factors that help explain why nurses often do not obtain and administer medications from automated dispensing cabinets (ADCs) "one patient at a time" are reported. METHODS: To investigate nurses' frequent failure to adhere to best-practice standards for ADC use, a 12 item questionnaire developed using information obtained from an elicitation study and a focus group session was e-mailed to 755 nurses at an academic medical center. A model based on constructs of the theory of planned behavior (attitude, subjective norm, and perceived behavioral control) was used to evaluate nurses' intent to follow ADC best practices through univariate and multivariate analyses. RESULTS: Of the 755 nurses targeted in the survey, 271 (34%) submitted usable responses. A favorable attitude toward safe ADC dispensing practices and a supportive subjective norm were strongly associated with intent to use ADCs properly; those factors remained highly correlated with intent (p < 0.001 for both) after controlling for demographic and work-related variables such as years in practice and patient workload. Eighty percent of observed variability of intent was explained by the evaluated constructs and variables (p < 0.001), suggesting that direct interventions at the patient care unit level and peer influence would likely be effective in promoting safe ADC use. CONCLUSION: A survey based on the theory of planned behavior demonstrated that attitude and subjective norm were important independent predictors of nurse intent to use ADCs properly. PMID- 29222365 TI - Implementation of an integrated pharmacy supply management strategy. AB - PURPOSE: Implementation of an integrated pharmacy supply management strategy is described. SUMMARY: In 2011, the formulary approval process and supply management for oncology medications were independent of each other at an oncology infusion center. Numerous nonformulary medications were kept on hand and reordered based on inventory levels that were established with inadequate usage information, while some formulary agents did not have on-hand inventory levels and had to be reordered on a patient-specific basis, which required paperwork and then a review by drug information staff per institutional policy. Because there was no true distinction in the ordering of formulary versus nonformulary oncology agents, the medical staff prescribed both in the same manner, leaving the pharmacy staff responsible for ensuring that enough quantities were on hand for many drugs, regardless of formulary status. Using supply chain management principles, a formal analysis of the on-hand inventory was performed. In addition, the formulary process for oncology drugs was restructured to align with how oncology drugs are managed for on-hand inventory levels. The alignment of these processes allowed the operation to have 1 supply strategy for the ambulatory oncology infusion center. As a result, inventory exhaustion rates were reduced by 70% and inventory turn rates improved by 78%. There was also significant time savings in the operational process streamlining, eliminating the rework and inefficiencies caused by an unclear process that was not fully captured in this assessment. CONCLUSION: Alignment of the formulary review process with inventory analyses that support supply management principles reduced inventory exhaustion while improving inventory turn rates. PMID- 29222369 TI - Introduction: Standards of Medical Care in Diabetes-2018. PMID- 29222368 TI - Novel lncRNA Erbb4-IR Promotes Diabetic Kidney Injury in db/db Mice by Targeting miR-29b. AB - Transforming growth factor-beta/Smad signaling plays an important role in diabetic nephropathy. The current study identified a novel Smad3-dependent long noncoding RNA (lncRNA) Erbb4-IR in the development of type 2 diabetic nephropathy (T2DN) in db/db mice. We found that Erbb4-IR was highly expressed in T2DN of db/db mice and specifically induced by advanced glycosylation end products (AGEs) via a Smad3-dependent mechanism. The functional role of Erbb4-IR in T2DN was revealed by kidney-specific silencing of Erbb4-IR to protect against the development of T2DN, such as elevated microalbuminuria, serum creatinine, and progressive renal fibrosis in db/db mice, and to block AGE-induced collagen I and IV expression in mouse mesangial cells (mMCs) and mouse tubular epithelial cells (mTECs). Mechanistically, we identified that the Erbb4-IR-microRNA (miR)-29b axis was a key mechanism of T2DN because Erbb4-IR was able to bind the 3' untranslated region of miR-29b genomic sequence to suppress miR-29b expression at transcriptional level. In contrast, silencing of renal Erbb4-IR increased miR-29b and therefore protected the kidney from progressive renal injury in db/db mice and prevented mTECs and mMCs from AGE-induced loss of miR-29b and fibrotic response in vitro. Collectively, we identify that Erbb4-IR is a Smad3-dependent lncRNA that promotes renal fibrosis in T2DN by suppressing miR-29b. Targeting Erbb4-IR may represent a novel therapy for T2DN. PMID- 29222370 TI - Professional Practice Committee: Standards of Medical Care in Diabetes-2018. PMID- 29222371 TI - Summary of Revisions: Standards of Medical Care in Diabetes-2018. PMID- 29222372 TI - 1. Improving Care and Promoting Health in Populations: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multi-disciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/content/clinical-practice recommendations. PMID- 29222373 TI - 2. Classification and Diagnosis of Diabetes: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222374 TI - 3. Comprehensive Medical Evaluation and Assessment of Comorbidities: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222375 TI - 4. Lifestyle Management: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222376 TI - 5. Prevention or Delay of Type 2 Diabetes: Standards of Medical Care in Diabetes 2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222377 TI - 6. Glycemic Targets: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222378 TI - 7. Obesity Management for the Treatment of Type 2 Diabetes: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222379 TI - 8. Pharmacologic Approaches to Glycemic Treatment: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222380 TI - 9. Cardiovascular Disease and Risk Management: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222381 TI - 10. Microvascular Complications and Foot Care: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222382 TI - 11. Older Adults: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222383 TI - 12. Children and Adolescents: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222384 TI - 13. Management of Diabetes in Pregnancy: Standards of Medical Care in Diabetes 2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222385 TI - 14. Diabetes Care in the Hospital: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222387 TI - Professional Practice Committee, American College of Cardiology-Designated Representatives, and American Diabetes Association Staff Disclosures. PMID- 29222386 TI - 15. Diabetes Advocacy: Standards of Medical Care in Diabetes-2018. AB - The American Diabetes Association (ADA) "Standards of Medical Care in Diabetes" includes ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC. PMID- 29222389 TI - Natural killer cells and T lymphocytes in pregnancy and pre-eclampsia. AB - Although pre-eclampsia (PE), a hypertensive disorder of pregnancy, has significant maternal and fetal morbidity and mortality worldwide, the mechanisms contributing to this disease have not been fully elucidated. Studies in patients and experimental models have shown that changes in the number or function of immune cells of both the adaptive and innate immune systems contribute to the development and pathogenesis of PE. This commentary summarizes our current understanding of the role of the immune system in the pathogenesis of PE, specifically focussing on dysfunction of natural killer (NK) cells and T lymphocyte populations. PMID- 29222390 TI - Sodium Channel Remodeling in Subcellular Microdomains of Murine Failing Cardiomyocytes. AB - BACKGROUND: Cardiac sodium channel (NaV1.5) dysfunction contributes to arrhythmogenesis during pathophysiological conditions. Nav1.5 localizes to distinct subcellular microdomains within the cardiomyocyte, where it associates with region-specific proteins, yielding complexes whose function is location specific. We herein investigated sodium channel remodeling within distinct cardiomyocyte microdomains during heart failure. METHODS AND RESULTS: Mice were subjected to 6 weeks of transverse aortic constriction (TAC; n=32) to induce heart failure. Sham-operated on mice were used as controls (n=20). TAC led to reduced left ventricular ejection fraction, QRS prolongation, increased heart mass, and upregulation of prohypertrophic genes. Whole-cell sodium current (INa) density was decreased by 30% in TAC versus sham-operated on cardiomyocytes. On macropatch analysis, INa in TAC cardiomyocytes was reduced by 50% at the lateral membrane (LM) and by 40% at the intercalated disc. Electron microscopy and scanning ion conductance microscopy revealed remodeling of the intercalated disc (replacement of [inter-]plicate regions by large foldings) and LM (less identifiable T tubules and reduced Z-groove ratios). Using scanning ion conductance microscopy, cell-attached recordings in LM subdomains revealed decreased INa and increased late openings specifically at the crest of TAC cardiomyocytes, but not in groove/T tubules. Failing cardiomyocytes displayed a denser, but more stable, microtubule network (demonstrated by increased alpha tubulin and Glu-tubulin expression). Superresolution microscopy showed reduced average NaV1.5 cluster size at the LM of TAC cells, in line with reduced INa. CONCLUSIONS: Heart failure induces structural remodeling of the intercalated disc, LM, and microtubule network in cardiomyocytes. These adaptations are accompanied by alterations in NaV1.5 clustering and INa within distinct subcellular microdomains of failing cardiomyocytes. PMID- 29222392 TI - Case-control study to assess the association between colorectal cancer and selected occupational agents using INTEROCC job exposure matrix. AB - BACKGROUND: Colorectal cancer is the third most prevalent cancer in the world and is twice as common in developed countries when compared with low-income and middle-income countries. Few occupational risk factors for colorectal cancer have been identified. This case-control study aimed to assess the association between colorectal cancer and occupational exposure to selected solvents, combustion products, metals, dusts and other agents. METHODS: Cases (n=918) were enrolled from the Western Australian Cancer Registry from June 2005 to August 2007. Controls (n=1021) were randomly selected from the Western Australian electoral roll. We collected lifetime occupational history from cases and controls, in addition to their demographic and lifestyle characteristics. We applied the INTEROCC job exposure matrix to convert the occupational history to occupational exposure for 18 selected agents. Three exposure indices were developed: (1) exposed versus non-exposed; (2) lifetime cumulative exposure; and (3) total duration of exposure. The associations between colorectal cancer and the selected agents were estimated using logistic regression models adjusting for sex and age. RESULTS: None of the 18 selected agents showed an association with colorectal cancer. No dose-response relationships with lifetime cumulative exposure or duration of exposure were observed. CONCLUSION: There was no evidence to suggest that occupational exposure to 18 selected agents increased the risk of colorectal cancer. PMID- 29222391 TI - The G protein-coupled receptor Gpr161 regulates forelimb formation, limb patterning and skeletal morphogenesis in a primary cilium-dependent manner. AB - The role of basal suppression of the sonic hedgehog (Shh) pathway and its interaction with Indian hedgehog (Ihh) signaling during limb/skeletal morphogenesis is not well understood. The orphan G protein-coupled receptor Gpr161 localizes to primary cilia and functions as a negative regulator of Shh signaling by promoting Gli transcriptional repressor versus activator formation. Here, we show that forelimb buds are not formed in Gpr161 knockout mouse embryos despite establishment of prospective limb fields. Limb-specific deletion of Gpr161 resulted in prematurely expanded Shh signaling and ectopic Shh-dependent patterning defects resulting in polysyndactyly. In addition, endochondral bone formation in forearms, including formation of both trabecular bone and bone collar was prevented. Endochondral bone formation defects resulted from accumulation of proliferating round/periarticular-like chondrocytes, lack of differentiation into columnar chondrocytes, and corresponding absence of Ihh signaling. Gpr161 deficiency in craniofacial mesenchyme also prevented intramembranous bone formation in calvarium. Defects in limb patterning, endochondral and intramembranous skeletal morphogenesis were suppressed in the absence of cilia. Overall, Gpr161 promotes forelimb formation, regulates limb patterning, prevents periarticular chondrocyte proliferation and drives osteoblastogenesis in intramembranous bones in a cilium-dependent manner. PMID- 29222393 TI - PROTECT: PRoximal balloon Occlusion TogEther with direCt Thrombus aspiration during stent retriever thrombectomy - evaluation of a double embolic protection approach in endovascular stroke treatment. AB - PURPOSE: Stent retriever-based mechanical thrombectomy (MT) for emergent large vessel occlusions (ELVO) is often complicated by thrombus fragmentation causing distal embolization and embolization to new vascular territories. Well established embolic protection approaches include proximal flow arrest and distal aspiration techniques during stent retriever maneuvers. Aiming at the reduction of thrombus fragmentation during MT we evaluated a technical approach combining proximal balloon occlusion together with direct thrombus aspiration during MT: the PROTECT technique. METHODS: We performed a case-control study comparing the PROTECT technique with sole distal aspiration during MT regarding technical and procedural parameters, n=200 patients with ELVO of either the terminus of the internal carotid artery or the proximal middle artery were included. RESULTS: PROTECT resulted in a shorter procedure time (29 vs 40 min; P=0.002), in a higher rate of successful recanalizations (100% vs 78%; P=0.001) and a higher rate of complete reperfusions (70% vs 39%; P<0.001) compared with sole distal aspiration during MT. CONCLUSION: The PROTECT technique is a promising new approach to significantly reduce thrombus fragmentation and, hence distal embolization during MT. This safe and efficient technique needs to be validated in larger trials to confirm our results. PMID- 29222394 TI - Equivalent favorable outcomes possible after thrombectomy for posterior circulation large vessel occlusion compared with the anterior circulation: the MUSC experience. AB - INTRODUCTION: In acute ischemic stroke (AIS), posterior circulation large vessel occlusions (LVOs) have been associated with poorer outcomes compared with anterior circulation LVOs. The outcomes of anterior versus posterior circulation thrombectomy for LVOs were compared at a high volume center employing a direct aspiration first pass technique (ADAPT). METHODS: We retrospectively studied a database of AIS cases that underwent ADAPT thrombectomy for LVOs. Cases were grouped by anatomical location of thrombectomy (posterior vs anterior circulation), and analysis was performed on both entire sample size. RESULTS: A total of 436 AIS patients (50.2% women, mean age 67.3 years) underwent ADAPT thrombectomy for LVO during the study period, of whom 13% of had posterior circulation thrombectomy. Patients with posterior circulation thrombectomy did not show a significant difference in preprocedural variables, including age, baseline National Institutes of Health Stroke Scale (NIHSS), and onset to groin time, compared with anterior circulation (P>0.05). There were also no differences in procedural variables between the two groups. Patients in the posterior group were found to have a similar likelihood of good outcome (modified Rankin Scale score 0-2) at 90 days compared with the anterior group (42.9% vs 43.2%, respectively), and a small but not significant increase in mortality at 90 days. Multilogistic regression analysis showed that the anatomical location (anterior vs posterior) was not an independent predictor of good outcome or mortality after thrombectomy. Prominent predictors of outcome/mortality included age, female gender, procedure time, and baseline NIHSS. CONCLUSIONS: Our findings demonstrate that when patients are carefully selected for thrombectomy, those with posterior circulation LVOs can achieve similar outcomes compared with anterior circulation thrombectomy, indicating comparable safety and efficacy profiles. PMID- 29222396 TI - Insights into the Regulation of Collecting Duct Homeostasis by Small Noncoding RNAs. PMID- 29222395 TI - Extracellular Adenosine Stimulates Vacuolar ATPase-Dependent Proton Secretion in Medullary Intercalated Cells. AB - Acidosis is an important complication of AKI and CKD. Renal intercalated cells (ICs) express the proton pumping vacuolar H+-ATPase (V-ATPase) and are extensively involved in acid-base homeostasis. H+ secretion in type A intercalated cells (A-ICs) is regulated by apical vesicle recycling and stimulated by cAMP. In other cell types, cAMP is increased by extracellular agonists, including adenosine, through purinergic receptors. Adenosine is a Food and Drug Administration-approved drug, but very little is known about the effect of adenosine on IC function. Therefore, we investigated the role of adenosine in the regulation of V-ATPase in ICs. Intravenous treatment of mice with adenosine or agonists of ADORA2A and ADORA2B purinergic P1 receptors induced V-ATPase apical membrane accumulation in medullary A-ICs but not in cortical A-ICs or other IC subtypes. Both receptors are located in A-IC apical membranes, and adenosine injection increased urine adenosine concentration and decreased urine pH. Cell fractionation showed that adenosine or an ADORA2A or ADORA2B agonist induced V-ATPase translocation from vesicles to the plasma membrane and increased protein kinase A (PKA)-dependent protein phosphorylation in purified medullary ICs that were isolated from mice. Either ADORA2A or ADORA2B antagonists or the PKA inhibitor mPKI blocked these effects. Finally, a fluorescence pH assay showed that adenosine activates V-ATPase in isolated medullary ICs. Our study shows that medullary A-ICs respond to luminal adenosine through ADORA2A and ADORA2B receptors in a cAMP/PKA pathway-dependent mechanism to induce V-ATPase-dependent H+ secretion. PMID- 29222397 TI - Indoxyl Sulfate Upregulates Liver P-Glycoprotein Expression and Activity through Aryl Hydrocarbon Receptor Signaling. AB - In patients with CKD, not only renal but also, nonrenal clearance of drugs is altered. Uremic toxins could modify the expression and/or activity of drug transporters in the liver. We tested whether the uremic toxin indoxyl sulfate (IS), an endogenous ligand of the transcription factor aryl hydrocarbon receptor, could change the expression of the following liver transporters involved in drug clearance: SLC10A1, SLC22A1, SLC22A7, SLC47A1, SLCO1B1, SLCO1B3, SLCO2B1, ABCB1, ABCB11, ABCC2, ABCC3, ABCC4, ABCC6, and ABCG2 We showed that IS increases the expression and activity of the efflux transporter P-glycoprotein (P-gp) encoded by ABCB1 in human hepatoma cells (HepG2) without modifying the expression of the other transporters. This effect depended on the aryl hydrocarbon receptor pathway. Presence of human albumin at physiologic concentration in the culture medium did not abolish the effect of IS. In two mouse models of CKD, the decline in renal function associated with the accumulation of IS in serum and the specific upregulation of Abcb1a in the liver. Additionally, among 109 heart or kidney transplant recipients with CKD, those with higher serum levels of IS needed higher doses of cyclosporin, a P-gp substrate, to obtain the cyclosporin target blood concentration. This need associated with serum levels of IS independent of renal function. These findings suggest that increased activity of P-gp could be responsible for increased hepatic cyclosporin clearance. Altogether, these results suggest that uremic toxins, such as IS, through effects on drug transporters, may modify the nonrenal clearance of drugs in patients with CKD. PMID- 29222398 TI - Cerebral Palsy in Extremely Preterm Infants. AB - BACKGROUND AND OBJECTIVES: The risk of cerebral palsy (CP) is high in preterm infants and is often accompanied by additional neurodevelopmental comorbidities. The present study describes lifetime prevalence of CP in a population-based prospective cohort of children born extremely preterm, including the type and severity of CP and other comorbidities (ie, developmental delay and/or cognitive impairment, neurobehavioral morbidity, epilepsy, vision and hearing impairments), and overall severity of disability. In this study, we also evaluate whether age at assessment, overall severity of disability, and available sources of information influence outcome results. METHODS: All Swedish children born before 27 weeks' gestation from 2004 to 2007 were included (the Extremely Preterm Infants in Sweden Study). The combination of neonatal information, information from clinical examinations and neuropsychological assessments at 2.5 and 6.5 years of age, original medical chart reviews, and extended chart reviews was used. RESULTS: The outcome was identified in 467 (94.5%) of eligible children alive at 1 year of age. Forty-nine (10.5%) children had a lifetime diagnosis of CP, and 37 (76%) were ambulatory. Fourteen (29%) had CP diagnosed after 2.5 years of age, 37 (76%) had at least 1 additional comorbidity, and 27 (55%) had severe disability. The probability for an incomplete evaluation was higher in children with CP compared with children without CP. CONCLUSIONS: Children born extremely preterm with CP have various comorbidities and often overall severe disability. The importance of long-term follow-up and of obtaining comprehensive outcome information from several sources in children with disabilities is shown. PMID- 29222400 TI - NKG2D-Based CAR T Cells and Radiotherapy Exert Synergistic Efficacy in Glioblastoma. AB - Chimeric antigen receptor (CAR) T-cell therapy is an emerging immunotherapy against several malignancies including glioblastoma, the most common and most aggressive malignant primary brain tumor in adults. The challenges in solid tumor immunotherapy comprise heterogenously expressed tumor target antigens and restricted trafficking of CAR T cells to and impaired long-term persistence at the tumor site, as well as the unaddressed integration of CAR T-cell therapy into conventional anticancer treatments. We addressed these questions using a NKG2D based chimeric antigen receptor construct (chNKG2D) in fully immunocompetent orthotopic glioblastoma mouse models. ChNKG2D T cells demonstrated high IFNgamma production and cytolytic activity in vitro Upon systemic administration in vivo, chNKG2D T cells migrated to the tumor site in the brain, did not induce adverse events, prolonged survival, and cured a fraction of glioma-bearing mice. Surviving mice were protected long-term against tumor rechallenge. Mechanistically, this was not solely the result of a classical immune memory response, but rather involved local persistence of chNKG2D T cells. A subtherapeutic dose of local radiotherapy in combination with chNKG2D T-cell treatment resulted in synergistic activity in two independent syngeneic mouse glioma models by promoting migration of CAR T cells to the tumor site and increased effector functions. We thus provide preclinical proof-of-concept of NKG2D CAR T-cell activity in mouse glioma models and demonstrate efficacy, long term persistence, and synergistic activity in combination with radiotherapy, providing a rationale to translate this immunotherapeutic strategy to human glioma patients.Significance: These findings provide evidence for synergy of conventional anticancer therapy and CAR T cells and heralds future studies for other treatment combinations. Cancer Res; 78(4); 1031-43. (c)2017 AACR. PMID- 29222401 TI - Genetics of Floral Development (By Christine Fleet). AB - Summaryplantcell;29/11/tpc.117.tt1117/FIG1F1fig1A basic model for floral organ identity has been developed using model systems such as Arabidopsis thaliana, snapdragon (Antirrhinum majus), and petunia (Petunia hybrida). In this model, different combinations of proteins known as ABCDE proteins, mostly MADS-domain transcription factors, activate the transcription of target genes to specify the identity of each whorl of floral organs. Changes in the regulation or activation of these target genes contribute to the wide variety of floral forms that we see within and across species. In addition, duplications and divergence of these genes in different groups of flowering plants have resulted in differences in gene function and expression patterns, contributing to differences in flower form across species. Posted December 8, 2017.Click HERE to access Teaching Tool Components. PMID- 29222399 TI - Pediatric Disorders of Orthostatic Intolerance. AB - Orthostatic intolerance (OI), having difficulty tolerating an upright posture because of symptoms or signs that abate when returned to supine, is common in pediatrics. For example, ~40% of people faint during their lives, half of whom faint during adolescence, and the peak age for first faint is 15 years. Because of this, we describe the most common forms of OI in pediatrics and distinguish between chronic and acute OI. These common forms of OI include initial orthostatic hypotension (which is a frequently seen benign condition in youngsters), true orthostatic hypotension (both neurogenic and nonneurogenic), vasovagal syncope, and postural tachycardia syndrome. We also describe the influences of chronic bed rest and rapid weight loss as aggravating factors and causes of OI. Presenting signs and symptoms are discussed as well as patient evaluation and testing modalities. Putative causes of OI, such as gravitational and exercise deconditioning, immune-mediated disease, mast cell activation, and central hypovolemia, are described as well as frequent comorbidities, such as joint hypermobility, anxiety, and gastrointestinal issues. The medical management of OI is considered, which includes both nonpharmacologic and pharmacologic approaches. Finally, we discuss the prognosis and long-term implications of OI and indicate future directions for research and patient management. PMID- 29222402 TI - ELMOD1 Stimulates ARF6-GTP Hydrolysis to Stabilize Apical Structures in Developing Vestibular Hair Cells. AB - Sensory hair cells require control of physical properties of their apical plasma membranes for normal development and function. Members of the ADP-ribosylation factor (ARF) small GTPase family regulate membrane trafficking and cytoskeletal assembly in many cells. We identified ELMO domain-containing protein 1 (ELMOD1), a guanine nucleoside triphosphatase activating protein (GAP) for ARF6, as the most highly enriched ARF regulator in hair cells. To characterize ELMOD1 control of trafficking, we analyzed mice of both sexes from a strain lacking functional ELMOD1 [roundabout (rda)]. In rda/rda mice, cuticular plates of utricle hair cells initially formed normally, then degenerated after postnatal day 5; large numbers of vesicles invaded the compromised cuticular plate. Hair bundles initially developed normally, but the cell's apical membrane lifted away from the cuticular plate, and stereocilia elongated and fused. Membrane trafficking in type I hair cells, measured by FM1-43 dye labeling, was altered in rda/rda mice. Consistent with the proposed GAP role for ELMOD1, the ARF6 GTP/GDP ratio was significantly elevated in rda/rda utricles compared with controls, and the level of ARF6-GTP was correlated with the severity of the rda/rda phenotype. These results suggest that conversion of ARF6 to its GDP-bound form is necessary for final stabilization of the hair bundle.SIGNIFICANCE STATEMENT Assembly of the mechanically sensitive hair bundle of sensory hair cells requires growth and reorganization of apical actin and membrane structures. Hair bundles and apical membranes in mice with mutations in the Elmod1 gene degenerate after formation, suggesting that the ELMOD1 protein stabilizes these structures. We show that ELMOD1 is a GTPase-activating protein in hair cells for the small GTP-binding protein ARF6, known to participate in actin assembly and membrane trafficking. We propose that conversion of ARF6 into the GDP-bound form in the apical domain of hair cells is essential for stabilizing apical actin structures like the hair bundle and ensuring that the apical membrane forms appropriately around the stereocilia. PMID- 29222403 TI - Common Pathophysiology in Multiple Mouse Models of Pitt-Hopkins Syndrome. AB - Mutations or deletions of the transcription factor TCF4 are linked to Pitt Hopkins syndrome (PTHS) and schizophrenia, suggesting that the precise pathogenic mutations dictate cellular, synaptic, and behavioral consequences. Here, we generated two novel mouse models of PTHS, one that mimics the most common pathogenic TCF4 point mutation (human R580W, mouse R579W) and one that deletes three pathogenic arginines, and explored phenotypes of these lines alongside models of pan-cellular or CNS-specific heterozygous Tcf4 disruption. We used mice of both sexes to show that impaired Tcf4 function results in consistent microcephaly, hyperactivity, reduced anxiety, and deficient spatial learning. All four PTHS mouse models demonstrated exaggerated hippocampal long-term potentiation (LTP), consistent with deficits in hippocampus-mediated behaviors. We further examined R579W mutant mice and mice with pan-cellular Tcf4 heterozygosity and found that they exhibited hippocampal NMDA receptor hyperfunction, which likely drives the enhanced LTP. Together, our data pinpoint convergent neurobiological features in PTHS mouse models and provide a foundation for preclinical studies and a rationale for testing whether NMDAR antagonists might be used to treat PTHS.SIGNIFICANCE STATEMENT Pitt-Hopkins syndrome (PTHS) is a rare neurodevelopmental disorder associated with TCF4 mutations/deletions. Despite this genetic insight, there is a need to identify the function of TCF4 in the brain. Toward this goal, we developed two mouse lines, including one harboring the most prevalent pathogenic point mutation, and compared them with two existing models that conditionally delete Tcf4 Our data identify a set of overlapping phenotypes that may serve as outcome measures for preclinical studies of PTHS treatments. We also discovered penetrant enhanced synaptic plasticity across mouse models that may be linked to increased NMDA receptor function. These data reveal convergent neurobiological characteristics of PTHS mouse models and support the further investigation of NMDA receptor antagonists as a possible PTHS treatment. PMID- 29222404 TI - Lack of Parkin Anticipates the Phenotype and Affects Mitochondrial Morphology and mtDNA Levels in a Mouse Model of Parkinson's Disease. AB - PARK2 is the most common gene mutated in monogenic recessive familial cases of Parkinson's disease (PD). Pathogenic mutations cause a loss of function of the encoded protein Parkin. ParkinKO mice, however, poorly represent human PD symptoms as they only exhibit mild motor phenotypes, minor dopamine metabolism abnormalities, and no signs of dopaminergic neurodegeneration. Parkin has been shown to participate in mitochondrial turnover, by targeting damaged mitochondria with low membrane potential to mitophagy. We studied the role of Parkin on mitochondrial quality control in vivo by knocking out Parkin in the PD-mito-PstI mouse (males), where the mitochondrial DNA (mtDNA) undergoes double-strand breaks only in dopaminergic neurons. The lack of Parkin promoted earlier onset of dopaminergic neurodegeneration and motor defects in the PD-mito-PstI mice, but it did not worsen the pathology. The lack of Parkin affected mitochondrial morphology in dopaminergic axons and was associated with an increase in mtDNA levels (mutant and wild type). Unexpectedly, it did not cause a parallel increase in mitochondrial mass or mitophagy. Our results suggest that Parkin affects mtDNA levels in a mitophagy-independent manner.SIGNIFICANCE STATEMENT Parkinson's disease is characterized by progressive motor symptoms due to the selective loss of dopaminergic neurons in the substantia nigra. Loss-of-function mutations of Parkin cause some monogenic forms of Parkinson's disease, possibly through its role in mitochondrial turnover and quality control. To study whether Parkin has a role in vivo in the context of mitochondrial damage, we knocked out Parkin in a mouse model in which the mitochondrial DNA is damaged in dopaminergic neurons. We found that the loss of Parkin did not exacerbate the parkinsonian pathology already present in the mice, but it was associated with an increase in mtDNA levels (mutant and wild-type) without altering mitochondrial mass. These results shed new light on the function of Parkin in vivo. PMID- 29222405 TI - Multiple Weekly Dalbavancin Dosing for the Treatment of Native Vertebral Osteomyelitis Caused by Methicillin-Resistant Staphylococcus Aureus: A Case Report. AB - BACKGROUND Native vertebral osteomyelitis (NVO) is a common form of hematogenous osteomyelitis, with Staphylococcus aureus (S. aureus) being the most commonly isolated organism. Dalbavancin is approved by the US Food and Drug Administration (FDA) for the treatment of acute bacterial skin and skin structure infections (ABSSSI) and has a sufficiently promising pharmacokinetic and pharmacodynamic profile to be considered for the treatment of vertebral osteomyelitis. We describe here what is probably the first reported case of using multiple weekly dalbavancin to treat a complicated methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and vertebral osteomyelitis. CASE REPORT A 58-year-old man with a long history of recurrent MRSA bacteremia, who failed multiple courses of vancomycin and daptomycin, presented with recurrent MRSA bacteremia complicated by diskitis and osteomyelitis of the lumbar vertebrae. The patient was treated with dalbavancin 1000 mg intravenously weekly for two weeks followed by 500 mg weekly for six additional weeks. He improved clinically, his back pain resolved, and C-reactive protein (CRP) decreased to normal. Three months after the last dose of dalbavancin therapy, he underwent angiography for peripheral artery diseases, after which he developed a fever, mild leukocytosis, an elevated CRP, and the repeat blood cultures were positive for MRSA. No apparent adverse events were observed during dalbavancin therapy. CONCLUSIONS In this case, multiple weekly dalbavancin infusions appeared to be safe in the treatment of vertebral osteomyelitis caused by MRSA, but did not seem to prevent infection recurrence. However, reinfection with a new strain from the angiography catheter insertion is highly likely. Clinical studies are needed to further assess the safety and effectiveness of multiple weekly dalbavancin dosing in the management of vertebral osteomyelitis. PMID- 29222406 TI - DNA Methylation-Mediated Silencing of Regenerating Protein 1 Alpha (REG1A) Affects Gastric Cancer Prognosis. AB - BACKGROUND Gastric cancer (GC) is one of the most common cause of cancer-related deaths. The clinical trials still lack the effective methods to treat or monitor the disease progression. In this research, the biological function and the underlying molecular mechanism of regenerating protein 1 alpha (REG1A) in GC were investigated. MATERIAL AND METHODS Gene expression omnibus (GEO), KMplot datasets and GC tissue microarray (n=164) were used to analyze the expression of REG1A and related patient prognoses in GC. Transwell matrigel assay, flow cytometry analysis and CCK8 cell viability assay were performed to detect the biological functions of REG1A. Western blotting and real-time PCR were used to detect the REG1A expression and PI3K/Akt related signaling. RESULTS It was found that the expression of REG1A was significantly downregulated in GC and closely related with clinicopathological findings or patient prognoses. REG1A overexpression could suppress the invasion, cell viability and promote the apoptosis of GC cells. Moreover, we found that the epigenetic methylation suppressed the expression level of REG1A in GC, and REG1A overexpression could suppress the phosphorylation of Akt or GSK3beta signaling. CONCLUSIONS Taken together, REG1A regulates cell invasion, apoptosis and viability in GC through activating PI3K/Akt-GSK3beta signaling. REG1A may serve as a promising therapeutic strategy for GC. PMID- 29222407 TI - Ballistic geometric resistance resonances in a single surface of a topological insulator. AB - Transport in topological matter has shown a variety of novel phenomena over the past decade. Although numerous transport studies have been conducted on three dimensional topological insulators (TIs), study of ballistic motion and thus exploration of potential landscapes on a hundred nanometer scale is for the prevalent TI materials almost impossible due to their low carrier mobility. Therefore, it is unknown whether helical Dirac electrons in TIs, bound to interfaces between topologically distinct materials, can be manipulated on the nanometer scale by local gates or locally etched regions. Here we impose a submicron periodic potential onto a single surface of Dirac electrons in high mobility strained mercury telluride (HgTe), which is a strong TI. Pronounced geometric resistance resonances constitute the clear-cut observation of a ballistic effect in three-dimensional TIs. PMID- 29222408 TI - Brain insulin resistance impairs hippocampal synaptic plasticity and memory by increasing GluA1 palmitoylation through FoxO3a. AB - High-fat diet (HFD) and metabolic diseases cause detrimental effects on hippocampal synaptic plasticity, learning, and memory through molecular mechanisms still poorly understood. Here, we demonstrate that HFD increases palmitic acid deposition in the hippocampus and induces hippocampal insulin resistance leading to FoxO3a-mediated overexpression of the palmitoyltransferase zDHHC3. The excess of palmitic acid along with higher zDHHC3 levels causes hyper palmitoylation of AMPA glutamate receptor subunit GluA1, hindering its activity dependent trafficking to the plasma membrane. Accordingly, AMPAR current amplitudes and, more importantly, their potentiation underlying synaptic plasticity were inhibited, as well as hippocampal-dependent memory. Hippocampus specific silencing of Zdhhc3 and, interestingly enough, intranasal injection of the palmitoyltransferase inhibitor, 2-bromopalmitate, counteract GluA1 hyper palmitoylation and restore synaptic plasticity and memory in HFD mice. Our data reveal a key role of FoxO3a/Zdhhc3/GluA1 axis in the HFD-dependent impairment of cognitive function and identify a novel mechanism underlying the cross talk between metabolic and cognitive disorders. PMID- 29222409 TI - Immune stealth-driven O2 serotype prevalence and potential for therapeutic antibodies against multidrug resistant Klebsiella pneumoniae. AB - Emerging multidrug-resistant bacteria are a challenge for modern medicine, but how these pathogens are so successful is not fully understood. Robust antibacterial vaccines have prevented and reduced resistance suggesting a pivotal role for immunity in deterring antibiotic resistance. Here, we show the increased prevalence of Klebsiella pneumoniae lipopolysaccharide O2 serotype strains in all major drug resistance groups correlating with a paucity of anti-O2 antibodies in human B cell repertoires. We identify human monoclonal antibodies to O-antigens that are highly protective in mouse models of infection, even against heavily encapsulated strains. These antibodies, including a rare anti-O2 specific antibody, synergistically protect against drug-resistant strains in adjunctive therapy with meropenem, a standard-of-care antibiotic, confirming the importance of immune assistance in antibiotic therapy. These findings support an antibody based immunotherapeutic strategy even for highly resistant K. pneumoniae infections, and underscore the effect humoral immunity has on evolving drug resistance. PMID- 29222410 TI - Tuning the interactions between chiral plasmonic films and living cells. AB - Designing chiral materials to manipulate the biological activities of cells has been an important area not only in chemistry and material science, but also in cell biology and biomedicine. Here, we introduce monolayer plasmonic chiral Au nanoparticle (NP) films modified with L- or D-penicillamine (Pen) to be developed for cell growth, differentiation, and retrieval. The monolayer films display high chiroptical activity, with circular dichroism values of 3.5 mdeg at 550 nm and 26.8 mdeg at 775 nm. The L-Pen-NP films accelerate cell proliferation, whereas the D -Pen-NP films have the opposite effect. Remote irradiation with light is chosen to noninvasively collect the cells. The results demonstrate that left circularly polarized light improves the efficiency of cell detachment up to 91.2% for L-Pen-NP films. These findings will facilitate the development of cell culture in biomedical application and help to understand natural homochirality. PMID- 29222411 TI - Scaling of Yu-Shiba-Rusinov energies in the weak-coupling Kondo regime. AB - The competition of the free-spin state of a paramagnetic impurity on a superconductor with its screened counterpart is characterized by the energy scale of Kondo screening compared to the superconducting pairing energy Delta. When the experimental temperature suppresses Kondo screening, but preserves superconductivity, i.e., when Delta/k B > T > T K (k B is Boltzmann's constant and T K the Kondo temperature), this description fails. Here, we explore this temperature range in a set of manganese phthalocyanine molecules decorated with ammonia on Pb(111). We show that these molecules suffice the required energy conditions by exhibiting weak-coupling Kondo resonances. We correlate the Yu Shiba-Rusinov bound states energy inside the superconducting gap with the intensity of the Kondo resonance. The observed correlation follows the expectations for a classical spin on a superconductor. This finding is important in view of many theoretical predictions using a classical spin model, in particular for the description of Majorana bound states in magnetic nanostructures on superconducting substrates. PMID- 29222413 TI - Advanced Sulfur-Silicon Full Cell Architecture for Lithium Ion Batteries. AB - Lithium-ion batteries are crucial to the future of energy storage. However, the energy density of current lithium-ion batteries is insufficient for future applications. Sulfur cathodes and silicon anodes have garnered a lot of attention in the field due their high capacity potential. Although recent developments in sulfur and silicon electrodes show exciting results in half cell formats, neither electrode can act as a lithium source when put together into a full cell format. Current methods toward incorporating lithium in sulfur-silicon full cells involves prelithiating silicon or using lithium sulfide. These methods however, complicate material processing and creates safety hazards. Herein, we present a novel full cell battery architecture that bypasses the issues associated with current methods. This battery architecture gradually integrates controlled amounts of pure lithium into the system by allowing lithium the access to external circuit. A high specific energy density of 350 Wh/kg after 250 cycles at C/10 was achieved using this method. This work should pave the way for future researches into sulfur-silicon full cells. PMID- 29222412 TI - Ancestral perinatal obesogen exposure results in a transgenerational thrifty phenotype in mice. AB - Ancestral environmental exposures to non-mutagenic agents can exert effects in unexposed descendants. This transgenerational inheritance has significant implications for understanding disease etiology. Here we show that exposure of F0 mice to the obesogen tributyltin (TBT) throughout pregnancy and lactation predisposes unexposed F4 male descendants to obesity when dietary fat is increased. Analyses of body fat, plasma hormone levels, and visceral white adipose tissue DNA methylome and transcriptome collectively indicate that the F4 obesity is consistent with a leptin resistant, thrifty phenotype. Ancestral TBT exposure induces global changes in DNA methylation and altered expression of metabolism-relevant genes. Analysis of chromatin accessibility in F3 and F4 sperm reveals significant differences between control and TBT groups and significant similarities between F3 and F4 TBT groups that overlap with areas of differential methylation in F4 adipose tissue. Our data suggest that ancestral TBT exposure induces changes in chromatin organization transmissible through meiosis and mitosis. PMID- 29222414 TI - Structural Dynamics of the MscL C-terminal Domain. AB - The large conductance mechanosensitive channel (MscL), acts as an osmoprotective emergency valve in bacteria by opening a large, water-filled pore in response to changes in membrane tension. In its closed configuration, the last 36 residues at the C-terminus form a bundle of five alpha-helices co-linear with the five-fold axis of symmetry. Here, we examined the structural dynamics of the C-terminus of EcMscL using site-directed spin labelling electron paramagnetic resonance (SDSL EPR) spectroscopy. These experiments were complemented with computational modelling including molecular dynamics (MD) simulations and finite element (FE) modelling. Our results show that under physiological conditions, the C-terminus is indeed an alpha-helical bundle, located near the five-fold symmetry axis of the molecule. Both experiments and computational modelling demonstrate that only the top part of the C-terminal domain (from the residue A110 to E118) dissociates during the channel gating, while the rest of the C-terminus stays assembled. This result is consistent with the view that the C-terminus functions as a molecular sieve and stabilizer of the oligomeric MscL structure as previously suggested. PMID- 29222415 TI - Prediction of genomic breeding values using new computing strategies for the implementation of MixP. AB - MixP is an implementation that uses the Pareto principle to perform genomic prediction. This study was designed to develop two new computing strategies: one strategy for nonMCMC-based MixP (FMixP), and the other one for MCMC-based MixP (MMixP). The difference is that MMixP can estimate variances of SNP effects and the probability that a SNP has a large variance, but FMixP cannot. Simulated data from an international workshop and real data on large yellow croaker were used as the materials for the study. Four Bayesian methods, BayesA, BayesCpi, MMixP and FMixP, were used to compare the predictive results. The results show that BayesCpi, MMixP and FMixP perform better than BayesA for the simulated data, but all methods have very similar predictive abilities for the large yellow croaker. However, FMixP is computationally significantly faster than the MCMC-based methods. Our research may have a potential for the future applications in genomic prediction. PMID- 29222416 TI - Functional analysis of human intrafusal fiber innervation by human gamma motoneurons. AB - Investigation of neuromuscular deficits and diseases such as SMA, as well as for next generation prosthetics, utilizing in vitro phenotypic models would benefit from the development of a functional neuromuscular reflex arc. The neuromuscular reflex arc is the system that integrates the proprioceptive information for muscle length and activity (sensory afferent), to modify motoneuron output to achieve graded muscle contraction (actuation efferent). The sensory portion of the arc is composed of proprioceptive sensory neurons and the muscle spindle, which is embedded in the muscle tissue and composed of intrafusal fibers. The gamma motoneurons (gamma-MNs) that innervate these fibers regulate the intrafusal fiber's stretch so that they retain proper tension and sensitivity during muscle contraction or relaxation. This mechanism is in place to maintain the sensitivity of proprioception during dynamic muscle activity and to prevent muscular damage. In this study, a co-culture system was developed for innervation of intrafusal fibers by human gamma-MNs and demonstrated by morphological and immunocytochemical analysis, then validated by functional electrophysiological evaluation. This human-based fusimotor model and its incorporation into the reflex arc allows for a more accurate recapitulation of neuromuscular function for applications in disease investigations, drug discovery, prosthetic design and neuropathic pain investigations. PMID- 29222417 TI - Insulin in motion: The A6-A11 disulfide bond allosterically modulates structural transitions required for insulin activity. AB - The structural transitions required for insulin to activate its receptor and initiate regulation of glucose homeostasis are only partly understood. Here, using ring-closing metathesis, we substitute the A6-A11 disulfide bond of insulin with a rigid, non-reducible dicarba linkage, yielding two distinct stereo-isomers (cis and trans). Remarkably, only the cis isomer displays full insulin potency, rapidly lowering blood glucose in mice (even under insulin-resistant conditions). It also posseses reduced mitogenic activity in vitro. Further biophysical, crystallographic and molecular-dynamics analyses reveal that the A6-A11 bond configuration directly affects the conformational flexibility of insulin A-chain N-terminal helix, dictating insulin's ability to engage its receptor. We reveal that in native insulin, contraction of the Calpha-Calpha distance of the flexible A6-A11 cystine allows the A-chain N-terminal helix to unwind to a conformation that allows receptor engagement. This motion is also permitted in the cis isomer, with its shorter Calpha-Calpha distance, but prevented in the extended trans analogue. These findings thus illuminate for the first time the allosteric role of the A6-A11 bond in mediating the transition of the hormone to an active conformation, significantly advancing our understanding of insulin action and opening up new avenues for the design of improved therapeutic analogues. PMID- 29222419 TI - Probenecid arrests the progression of pronounced clinical symptoms in a mouse model of multiple sclerosis. AB - While it has been established that Probenecid (PBN) prevents the onset of experimental autoimmune encephalomyelitis (EAE) in mice, it is not clear whether it has any effect on already manifest EAE. The aim of this study was therefore to analyze the therapeutic effect of PBN in pronounced EAE. Mice with manifest clinical symptoms of EAE were either treated with PBN or solvent for 20 days, or they were left untreated. The clinical symptoms were monitored daily. Inflammation, demyelination and oligodendrocyte numbers were determined in the spinal cord. We were able to demonstrate that PBN not only significantly prolonged survival but also prevented the progression of clinical symptoms in the EAE model of multiple sclerosis. In addition, we were able to show that PBN reduced inflammation, T cell infiltration and oligodendrocyte cell loss. PBN was previously shown to inhibit - among other targets - pannexin channels. As pannexin channels provide conduits for ATP, are associated with the inflammasome, and act as "find me-signals" in the process of apoptosis, inhibition of pannexins via PBN might contribute to the PBN-effects observed in this study. The beneficial and therapeutic effects of PBN in the context of EAE demonstrate an intriguing link between PBN and neuroinflammation, which might foster translational interest. PMID- 29222418 TI - HEB is required for the specification of fetal IL-17-producing gammadelta T cells. AB - IL-17-producing gammadelta T (gammadeltaT17) cells are critical components of the innate immune system. However, the gene networks that control their development are unclear. Here we show that HEB (HeLa E-box binding protein, encoded by Tcf12) is required for the generation of a newly defined subset of fetal-derived CD73- gammadeltaT17 cells. HEB is required in immature CD24+CD73- gammadelta T cells for the expression of Sox4, Sox13, and Rorc, and these genes are repressed by acute expression of the HEB antagonist Id3. HEB-deficiency also affects mature CD73+ gammadelta T cells, which are defective in RORgammat expression and IL-17 production. Additionally, the fetal TCRgamma chain repertoire is altered, and peripheral Vgamma4 gammadelta T cells are mostly restricted to the IFNgamma producing phenotype in HEB-deficient mice. Therefore, our work identifies HEB dependent pathways for the development of CD73+ and CD73- gammadeltaT17 cells, and provides mechanistic evidence for control of the gammadeltaT17 gene network by HEB. PMID- 29222420 TI - Effect of high pressure treatment and short term storage on changes in main volatile compounds of Chinese liquor. AB - Changes in main volatile compounds of Chinese liquor after high pressure (HP) treatment and following short term storage were investigated. 400 MPa-15 min & 400 MPa-30 min were applied to young liquor. Results from gas chromatography (GC) analysis revealed decreasing trends in alcohols, aldehydes and ethyl acetate immediately after HP treatments, which was in consistent with those in natural aging process; but no significant change was found in acids. However, differences in main volatile compounds between young liquor and pressurized liquors disappeared after two to six months of storage. Principal component analysis (PCA) performed well in presenting overall differences among all liquor groups, which verified our previous findings in GC analysis. This research broadened the knowledge of HP processing on distilled alcoholic beverages and provided an alternative technique for liquor quality modification. PMID- 29222421 TI - The Transcriptomic Signature Of Disease Development And Progression Of Nonalcoholic Fatty Liver Disease. AB - A longitudinal molecular model of the development and progression of nonalcoholic fatty liver disease (NAFLD) over time is lacking. We have recently validated a high fat/sugar water-induced animal (an isogenic strain of C57BL/6 J:129S1/SvImJ mice) model of NAFLD that closely mimics most aspects of human disease. The hepatic transcriptome of such mice with fatty liver (8 weeks), steatohepatitis with early fibrosis (16-24 weeks) and advanced fibrosis (52 weeks) after initiation of the diet was evaluated and compared to mice on chow diet. Fatty liver development was associated with transcriptional activation of lipogenesis, FXR-RXR, PPAR-alpha mediated lipid oxidation and oxidative stress pathways. With progression to steatohepatitis, metabolic pathway activation persisted with additional activation of IL-1/inhibition of RXR, granulocyte diapedesis/adhesion, Fc macrophage activation, prothrombin activation and hepatic stellate cell activation. Progression to advanced fibrosis was associated with dampening of metabolic, oxidative stress and cell stress related pathway activation but with further Fc macrophage activation, cell death and turnover and activation of cancer-related networks. The molecular progression of NAFLD involves a metabolic perturbation which triggers subsequent cell stress and inflammation driving cell death and turnover. Over time, inflammation and fibrogenic pathways become dominant while in advanced disease an inflammatory-oncogenic profile dominates. PMID- 29222422 TI - Reconfigurable Yagi-Uda antenna based on a silicon reflector with a solid-state plasma. AB - This paper describes the fabrication and characterization of a reconfigurable Yagi-Uda antenna based on a silicon reflector with a solid-state plasma. The silicon reflector, composed of serially connected p-i-n diodes, forms a highly dense solid-state plasma by injecting electrons and holes into the intrinsic region. When this plasma silicon reflector is turned on, the front-realized gain of the antenna increases by more than 2 dBi beyond 5.3 GHz. To achieve the large gain increment, the structure of the antenna is carefully designed with the aid of semiconductor device simulation and antenna simulation. By using an aluminum nitride (AlN) substrate with high thermal conductivity, self-heating effects from the high forward current in the p-i-n diode are efficiently suppressed. By comparing the antenna simulation data and the measurement data, we estimated the conductivity of the plasma silicon reflector in the on-state to be between 104 and 105 S/m. With these figures, silicon material with its technology is an attractive tunable material for a reconfigurable antenna, which has attracted substantial interest from many areas, such as internet of things (IoT) applications, wireless network security, cognitive radio, and mobile and satellite communications as well as from multiple-input-multiple-output (MIMO) systems. PMID- 29222424 TI - Structural insight into a CE15 esterase from the marine bacterial metagenome. AB - The family 15 carbohydrate esterase (CE15) MZ0003, which derives from a marine Arctic metagenome, has a broader substrate scope than other members of this family. Here we report the crystal structure of MZ0003, which reveals that residues comprising the catalytic triad differ from previously-characterized fungal homologs, and resolves three large loop regions that are unique to this bacterial sub-clade. The catalytic triad of the bacterial CE15, which includes Asp 332 as its third member, closely resembles that of family 1 carbohydrate esterases (CE1), despite the overall lower structural similarity with members of this family. Two of the three loop regions form a subdomain that deepens the active site pocket and includes several basic residues that contribute to the high positive charge surrounding the active site. Docking simulations predict specific interactions with the sugar moiety of glucuronic-acid substrates, and with aromatically-substituted derivatives that serve as model compounds for the lignin-carbohydrate complex of plant cell walls. Molecular dynamics simulations indicate considerable flexibility of the sub-domain in the substrate-bound form, suggesting plasticity to accommodate different substrates is possible. The findings from this first reported structure of a bacterial member of the CE15 family provide insight into the basis of its broader substrate specificity. PMID- 29222423 TI - Voluntary modulation of mental effort investment: an fMRI study. AB - Mental effort is a common phenomenological construct deeply linked to volition and self-control. While it is often assumed that the amount of exertion invested in a task can be voluntarily regulated, the neural bases of such faculty and its behavioural effects are yet insufficiently understood. In this study, we investigated how the instructions to execute a demanding cognitive task either "with maximum exertion" or "as relaxed as possible" affected performance and brain activity. The maximum exertion condition, compared to relaxed execution, was associated with speeded motor responses without an accuracy trade-off, and an amplification of both task-related activations in dorsal frontoparietal and cerebellar regions, and task-related deactivations in default mode network (DMN) areas. Furthermore, the visual cue to engage maximum effort triggered an anticipatory widespread increase of activity in attentional, sensory and executive regions, with its peak in the brain stem reticular activating system. Across individuals, this surge of activity in the brain stem, but also in medial wall cortical regions projecting to the adrenal medulla, positively correlated with increases in heart rate, suggesting that the intention to willfully modulate invested effort involves mechanisms related to catecholaminergic transmission and a suppression of DMN activity in favor of externally-directed attentional processes. PMID- 29222425 TI - Polymorphisms in JMJD1C are associated with pubertal onset in boys and reproductive function in men. AB - JMJD1C, a member of the Jumonji-domain containing histone demethylases protein family, has been associated with levels of sex-hormone binding globulin (SHBG) and testosterone in men, and knock-out rodent models show age-dependent infertility. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) nearby JMJD1C are associated with pubertal onset in boys and with male reproduction. 671 peri-pubertal boys, 1,027 young men, 315 fertile men, and 252 infertile men were genotyped for two JMJD1C SNPs (rs7910927 and rs10822184). rs7910927 and rs10822184 showed high linkage. Boys with the rs7910927 TT genotype entered puberty 3.6 months earlier than their peers (p = 2.5 * 10-2). In young men, the number of T alleles was associated with decreased levels of SHBG, follicle-stimulating hormone (FSH), testosterone, and testosterone x luteinizing hormone, as well as increased levels of Inhibin B, Inhibin B/FSH ratio, and testis size. No significant associations with semen parameters were observed and the genotype distribution was comparable among fertile and infertile men. In conclusion, genetic variation in the vicinity of JMJD1C had a surprisingly large impact on the age at pubertal onset in boys as well as levels of reproductive hormones and testis size in men, emphasizing the relationship between JMJD1C and reproductive functions. PMID- 29222427 TI - Exceptional increase in the creep life of magnesium rare-earth alloys due to localized bond stiffening. AB - Several recent papers report spectacular, and unexpected, order of magnitude improvement in creep life of alloys upon adding small amounts of elements like zinc. This microalloying effect raises fundamental questions regarding creep deformation mechanisms. Here, using atomic-scale characterization and first principles calculations, we attribute the 600% increase in creep life in a prototypical Mg-rare earth (RE)-Zn alloy to multiple mechanisms caused by RE-Zn bonding-stabilization of a large volume fraction of strengthening precipitates on slip planes, increase in vacancy diffusion barrier, reduction in activated cross slip, and enhancement of covalent character and bond strength around Zn solutes along the c-axis of Mg. We report that increased vacancy diffusion barrier, which correlates with the observed 25% increase in interplanar bond stiffness, primarily enhances the high-temperature creep life. Thus, we demonstrate that an approach of local, randomized tailoring of bond stiffness via microalloying enhances creep performance of alloys. PMID- 29222426 TI - Surveillance of antibiotic resistance among common Clostridium difficile ribotypes in Hong Kong. AB - Incidence of Clostridium difficile infection (CDI) is rapidly increasing and it poses a major health burden globally. However, data regarding the epidemiology of CDI in Asia are limited. We aimed to characterize the antimicrobial susceptibility patterns of common ribotypes of toxigenic C. difficile in Hong Kong. Fifty-three PCR ribotypes were identified among 284 toxigenic C. difficile clinical isolates. The five most prevalent ribotypes were 002 (13%), 017 (12%), 014 (10%), 012 (9.2%), and 020 (9.5%). All tested C. difficile strains remained susceptible to metronidazole, vancomycin, meropenem and piperacillin/tazobactam, but highly resistant to cephalosporins. Of the fluoroquinolones, highest resistance to ciprofloxacin was observed (99%), followed by levofloxacin (43%) and moxifloxacin (23%). The two newly emerged PCR ribotypes, 017 and 002, demonstrated high levels of co-resistance towards clindamycin, tetracycline, erythromycin and moxifloxacin. PCR ribotypes 017 and 002 with multi-drug resistance are rapidly emerging and continuous surveillance is important to monitor the epidemiology of C. difficile to prevent outbreaks of CDI. PMID- 29222428 TI - Spectroscopic identification of active sites for the oxygen evolution reaction on iron-cobalt oxides. AB - The emergence of disordered metal oxides as electrocatalysts for the oxygen evolution reaction and reports of amorphization of crystalline materials during electrocatalysis reveal a need for robust structural models for this class of materials. Here we apply a combination of low-temperature X-ray absorption spectroscopy and time-resolved in situ X-ray absorption spectroelectrochemistry to analyze the structure and electrochemical properties of a series of disordered iron-cobalt oxides. We identify a composition-dependent distribution of di-MU-oxo bridged cobalt-cobalt, di-MU-oxo bridged cobalt-iron and corner-sharing cobalt structural motifs in the composition series. Comparison of the structural model with (spectro)electrochemical data reveals relationships across the composition series that enable unprecedented assignment of voltammetric redox processes to specific structural motifs. We confirm that oxygen evolution occurs at two distinct reaction sites, di-MU-oxo bridged cobalt-cobalt and di-MU-oxo bridged iron-cobalt sites, and identify direct and indirect modes-of-action for iron ions in the mixed-metal compositions. PMID- 29222429 TI - Case report: ischemic priapism secondary to tinzaparin. AB - Low-molecular-weight heparin (LMWH) therapy has recently been proposed as a cause of ischemic priapism. The evidence, however, remains scarce, as there are very few published cases of LMWH-induced priapism to date. The implications of such events are significant as ischemic priapism is a medical emergency. In current clinical practice we are seeing a trend towards LMWH therapies replacing unfractionated heparin (UFH). As LMWH therapies continue to gain favor, we will potentially see more cases of LMWH-induced priapism. As such, consideration should be given to determine the underlying pathophysiology and incidence of LMWH induced priapism. Herein, we present the case of a 33-year-old male with priapism in the setting of tinzaparin treatment. PMID- 29222430 TI - Fisheries-independent surveys identify critical habitats for young scalloped hammerhead sharks (Sphyrna lewini) in the Rewa Delta, Fiji. AB - Sharp declines in numerous shark populations around the world have generated considerable interest in better understanding and characterising their biology, ecology and critical habitats. The scalloped hammerhead shark (SHS, Sphyrna lewini) is subject to a multitude of natural and anthropogenic threats that are often exacerbated within the coastal embayments and estuaries used during SHS early life stages. In this study, we describe the temporal and spatial distribution, age class composition, and reproductive biology of SHS in the Rewa Delta (RD), Fiji. A total of 1054 SHS (including 796 tagged individuals; 101 of which were recaptured) were captured from September 2014 to March 2016 in the RD. A majority of the captures in this area were neonates and young-of-the-year (YOY) (99.8%). Significant seasonality in patterns of occurrence of both neonates and YOY individuals suggests a defined parturition period during the austral summer. Between the seven sampling sites in the RD we also found significant differences in SHS neonate catch per unit of effort, and average total length of individuals. According to the data, the RD is likely to represent an important nursery area for SHS up to one year of age. PMID- 29222431 TI - Utilization of blood by-products: An in silico and experimental combined study for BSA usage. AB - In order to exploit industrial discards, protein enzymatic hydrolysis is a currently popular methodology for obtaining bioactive peptides. However, once released, most promising peptides have to be selected from the mixture. In this work, the suitability of pepsin (EC 3.4.23.1) to hydrolyse serum albumin in order to obtain bioactive peptides was assessed. Then, a suitable process to obtain best separation of bioactive peptides was evaluated, using polyethersulfone membranes at different pH values. Serum albumin was easily hydrolysed by pepsin, reaching a DH value of the 65.64 +/- 1.57% of the maximum possible. A 23.25% of the identified peptides possessed high bioactivity scores (greater than 0.5), and one of them had reported bioactivity (LLL). Charge mechanisms always predominated over the sieve effect, and best transmission was accomplished at pH values close to the peptides isoelectric points. Basic and neutral peptides with the highest scores were always the most transmitted. Membrane material had greater influence than NMWCO in determining peptide transmission. In order to obtain purified fractions rich in peptides with high bioactivity scores from serum albumin, polyethersulfone membranes (applicable to industrial scale) of 5 kDa MWCO should be used at basic pH values after pepsin digestion. PMID- 29222432 TI - Genetic Variants of the Receptor for Advanced Glycation End-products in Susceptibility to Type 2 Diabetes Mellitus in Primary Hypertensive Patients. AB - Diabetes mellitus is frequently comorbid with hypertension, which is approximately twice as common as diabetes mellitus in China. We designed a case control association study to inspect the susceptibility of the receptor for advanced glycation end-products (RAGE) gene 6 variants to type 2 diabetes mellitus (T2DM) in 2199 patients with primary hypertension (1252 diabetic cases and 947 nondiabetic controls). The genotypes/alleles of -429T > C and 82Gly > Ser variants differed significantly between the two groups, and their associations with T2DM were significant after Bonferroni correction. Two variants, -374T > A and I/D, showed only marginal associations with T2DM. Haplotype analysis of above 4 significant variants indicated that a low-penetrance haplotype simultaneously bearing -429C and 82Ser alleles was overrepresented in cases relative to controls (4.75% vs. 1.72%, P < 0.001). Moreover, the predictive capability of 6 variants was significantly superior to available risk factors, with better goodness-of fit. A predictive nomogram of 4 baseline risk factors and 2 variants of statistical significance was structured, with a good predictive accuracy (C-index = 0.761, P < 0.001). Taken together, our findings highlighted a contributory role of the RAGE gene, especially its two functional variants -429T > C and 82Gly > Ser, in susceptibility to T2DM in primary hypertensive patients, which may aid early detection and risk assessment for high-risk individuals. PMID- 29222433 TI - The evolution of phenotypic plasticity under global change. AB - Marine ecosystems are currently in a state of flux, with ocean warming and acidification occurring at unprecedented rates. Phenotypic plasticity underpins acclimatory responses by shifting the mean phenotype in a population, which may buffer the negative effects of global change. However, little is known about how phenotypic plasticity evolves across multiple generations. We tested this by reciprocally-transplanting the polychaete Ophryotrocha labronica between control and global change scenarios (ocean warming and acidification in isolation and combined) over five generations. By comparing the reaction norms of four life history traits across generations, we show that juvenile developmental rate in the combined scenario was the only trait that changed its plastic response across generations when transplanted back to control conditions, and that adaptive plasticity was conserved in most traits, despite significant levels of selection and strong declines in individual fitness in the multi-generational exposure. We suggest the change in level of plasticity in the combined scenario is caused by differential allocation of energy between the mean and the plasticity of the trait along the multigenerational exposure. The ability to maintain within generational levels of plasticity under global change scenarios has important eco evolutionary and conservation implications, which are examined under the framework of assisted evolution programs. PMID- 29222434 TI - Embryonic lethality and defective male germ cell development in mice lacking UTF1. AB - The germ cell lineage is specified early in embryogenesis and undergoes complex developmental programs to generate gametes. Here, we conducted genetic studies to investigate the role of Utf1 (Undifferentiated embryonic cell transcription factor 1) in mouse germ cell development. Utf1 is expressed in pluripotent embryonic stem (ES) cells and regulates ES cell differentiation. In a proteomics screen, we identified UTF1 among 38 proteins including DNMT3L and DND1 that associate with chromatin in embryonic testes. We find that UTF1 is expressed in embryonic and newborn gonocytes and in a subset of early spermatogonia. Ubiquitous inactivation of Utf1 causes embryonic lethality in mice with a hybrid genetic background. Male mice with a germline-specific deletion of Utf1 resulting from Prdm1-Cre mediated recombination are born with significantly fewer gonocytes and exhibit defective spermatogenesis and reduced sperm count as young adults. These defects are ameliorated in older animals. These results demonstrate that UTF1 is required for embryonic development and regulates male germ cell development. PMID- 29222435 TI - Long-term maintenance of peripheral blood derived human NK cells in a novel human IL-15- transgenic NOG mouse. AB - We generated a novel mouse strain expressing transgenic human interleukin-15 (IL 15) using the severe immunodeficient NOD/Shi-scid-IL-2Rgamma null (NOG) mouse genetic background (NOG-IL-15 Tg). Human natural killer (NK) cells, purified from the peripheral blood (hu-PB-NK) of normal healthy donors, proliferated when transferred into NOG-IL-15 Tg mice. In addition, the cell number increased, and the hu-PB-NK cells persisted for 3 months without signs of xenogeneic graft versus host diseases (xGVHD). These in vivo-expanded hu-PB-NK cells maintained the original expression patterns of various surface antigens, including NK receptors and killer cell immunoglobulin-like receptor (KIR) molecules. They also contained significant amounts of granzyme A and perforin. Inoculation of K562 leukemia cells into hu-PB-NK-transplanted NOG-IL-15 Tg mice resulted in significant suppression of tumor growth compared with non-transplanted mice. Furthermore, NOG-IL-15 Tg mice allowed for engraftment of in vitro-expanded NK cells prepared for clinical cell therapy. These cells exerted antibody-dependent cell-mediated cytotoxicity (ADCC) on Her2-positive gastric cancer cells in the presence of therapeutic anti-Her2 antibody, and subsequently suppressed tumor growth. Our results collectively suggest that the NOG-IL-15 Tg mice are a useful model for studying human NK biology and evaluating human NK cell-mediated in vivo cytotoxicity. PMID- 29222436 TI - Weekly self-measurement of FEV1 and PEF and its impact on ACQ (asthma control questionnaire)-scores: 12-week observational study with 76 patients. AB - The "Asthma Control Questionnaire" (ACQ) is a very common questionnaire for assessing asthma control. This study compares different ACQ versions in a self monitoring program over a 12-week period combining them with patients' self measurements of peak expiratory flow (PEF) and forced expiratory volume in one second (FEV1). The objective was to test the feasibility of FEV1-self measurements and to compare ACQ versions regarding possible additional information given by lung function. In this prospective multicenter observational study 100 adult asthma patients, recruited at six family practices and two pulmologists' private practices in Germany, completed the ACQ weekly, performing self-measurements of PEF and FEV1. Seventy-six patients were included into final analysis with only 3% missing values. Scores for all ACQ versions improved significantly (all P-values < 0.05) with reductions of 32% for ACQ5, 31% for ACQ6, 22% for ACQ7-FEV1, and 21% for ACQ7-PEF with high Pearson's correlation coefficients of all scores (r between 0.96 and 0.99). ACQ7-FEV1 scores were significantly higher than others. Separated courses of lung function parameters showed nearly no change, but ACQ5 and ACQ6 as scores for symptoms and reliever medication improved constantly. ACQ5 and ACQ6 revealed higher percentages of patients classified as "controlled" than ACQ7-scores. In conclusion, with only a few missing data points, our results suggest feasibility of FEV1-self measurements. Courses of symptom-related and lung function-related ACQ items differ clearly. Our results support the GINA recommendations to consider symptoms and lung function separately. FEV1-self-measurements for research purposes may be included with the ACQ, but in clinical practice seem to measure a different domain to symptomatic asthma control. PMID- 29222437 TI - Digital-PCR for gene expression: impact from inherent tissue RNA degradation. AB - Subtle molecular differences indicate the heterogeneity present in a number of disease settings. Digital-PCR (dPCR) platforms achieve the necessary levels of sensitivity and accuracy over standard quantitative RT-PCR (qPCR) that promote their use for such situations, detecting low abundance transcript and subtle changes from gene expression. An underlying requisite is good quality RNA, principally dictated by appropriate tissue handling and RNA extraction. Here we consider the application of dPCR to measures of gene expression in pathological tissues with inherent necrosis, focusing on rheumatoid subcutaneous nodules. Variable RNA fragmentation is a feature of RNA from such tissues. Increased presence of transcript fragmentation is reflected in a proportionate decrease in Agilent DV200 metric and downstream, a reduction in endogenous control genes' expression, measured by RT-dPCR. We show that normalisation of target gene expression to that for endogenous control genes sufficiently corrects for the variable level of fragmented RNA. Recovery of target gene values was achieved in samples comprising as much as 50 percent fragmented RNA, indicating the suitability and appropriate limitation of such data treatment when applied to samples obtained from inherently necrotic tissues. PMID- 29222438 TI - New insights into the mechanism of nickel superoxide degradation from studies of model peptides. AB - A series of small, catalytically active metallopeptides, which were derived from the nickel superoxide dismutase (NiSOD) active site were employed to study the mechanism of superoxide degradation especially focusing on the role of the axial imidazole ligand. In the literature, there are contradicting propositions about the catalytic importance of the N-terminal histidine. Therefore, we studied the stability and activity of a set of eight NiSOD model peptides, which represent the major model systems discussed in the literature to date, yet differing in their length and their Ni-coordination. UV-Vis-coupled stopped-flow kinetic measurements and mass spectrometry analysis unveiled their high oxidation sensitivity in the presence of oxygen and superoxide resulting into a much faster Ni(II)-peptide degradation for the amine/amide Ni(II) coordination than for the catalytically inactive bis-amidate Ni(II) coordination. With respect to these results we determined the catalytic activities for all NiSOD mimics studied herein, which turned out to be in almost the same range of about 2 * 106 M-1 s-1. From these experiments, we concluded that the amine/amide Ni(II) coordination is clearly the key factor for catalytic activity. Finally, we were able to clarify the role of the N-terminal histidine and to resolve the contradictory literature propositions, reported in previous studies. PMID- 29222440 TI - Detection and measure of genuine tripartite entanglement with partial transposition and realignment of density matrices. AB - It is challenging task to detect and measure genuine multipartite entanglement. We investigate the problem by considering the average based positive partial transposition(PPT) criterion and the realignment criterion. Sufficient conditions for detecting genuine tripartite entanglement are presented. We also derive lower bounds for the genuine tripartite entanglement concurrence with respect to the conditions. While the PPT criterion and the realignment criterion are powerful for detecting bipartite entanglement and for providing lower bounds of bipartite concurrences, our results give an effective operational way to detect and measure the genuine tripartite entanglement. PMID- 29222439 TI - Alloy-assisted deposition of three-dimensional arrays of atomic gold catalyst for crystal growth studies. AB - Large-scale assembly of individual atoms over smooth surfaces is difficult to achieve. A configuration of an atom reservoir, in which individual atoms can be readily extracted, may successfully address this challenge. In this work, we demonstrate that a liquid gold-silicon alloy established in classical vapor liquid-solid growth can deposit ordered and three-dimensional rings of isolated gold atoms over silicon nanowire sidewalls. We perform ab initio molecular dynamics simulation and unveil a surprising single atomic gold-catalyzed chemical etching of silicon. Experimental verification of this catalytic process in silicon nanowires yields dopant-dependent, massive and ordered 3D grooves with spacing down to ~5 nm. Finally, we use these grooves as self-labeled and ex situ markers to resolve several complex silicon growths, including the formation of nodes, kinks, scale-like interfaces, and curved backbones. PMID- 29222441 TI - Robust RNA-based in situ mutation detection delineates colorectal cancer subclonal evolution. AB - Intra-tumor heterogeneity (ITH) is a major underlying cause of therapy resistance and disease recurrence, and is a read-out of tumor growth. Current genetic ITH analysis methods do not preserve spatial context and may not detect rare subclones. Here, we address these shortfalls by developing and validating BaseScope-a novel mutation-specific RNA in situ hybridization assay. We target common point mutations in the BRAF, KRAS and PIK3CA oncogenes in archival colorectal cancer samples to precisely map the spatial and morphological context of mutant subclones. Computational modeling suggests that subclones must arise sufficiently early, or carry a considerable fitness advantage, to form large or spatially disparate subclones. Examples of putative treatment-resistant cells isolated in small topographical areas are observed. The BaseScope assay represents a significant technical advance for in situ mutation detection that provides new insight into tumor evolution, and could have ramifications for selecting patients for treatment. PMID- 29222442 TI - Contrasting patterns of genome-level diversity across distinct co-occurring bacterial populations. AB - To understand the forces driving differentiation and diversification in wild bacterial populations, we must be able to delineate and track ecologically relevant units through space and time. Mapping metagenomic sequences to reference genomes derived from the same environment can reveal genetic heterogeneity within populations, and in some cases, be used to identify boundaries between genetically similar, but ecologically distinct, populations. Here we examine population-level heterogeneity within abundant and ubiquitous freshwater bacterial groups such as the acI Actinobacteria and LD12 Alphaproteobacteria (the freshwater sister clade to the marine SAR11) using 33 single-cell genomes and a 5 year metagenomic time series. The single-cell genomes grouped into 15 monophyletic clusters (termed "tribes") that share at least 97.9% 16S rRNA identity. Distinct populations were identified within most tribes based on the patterns of metagenomic read recruitments to single-cell genomes representing these tribes. Genetically distinct populations within tribes of the acI Actinobacterial lineage living in the same lake had different seasonal abundance patterns, suggesting these populations were also ecologically distinct. In contrast, sympatric LD12 populations were less genetically differentiated. This suggests that within one lake, some freshwater lineages harbor genetically discrete (but still closely related) and ecologically distinct populations, while other lineages are composed of less differentiated populations with overlapping niches. Our results point at an interplay of evolutionary and ecological forces acting on these communities that can be observed in real time. PMID- 29222443 TI - Metabolic versatility of small archaea Micrarchaeota and Parvarchaeota. AB - Small acidophilic archaea belonging to Micrarchaeota and Parvarchaeota phyla are known to physically interact with some Thermoplasmatales members in nature. However, due to a lack of cultivation and limited genomes on hand, their biodiversity, metabolisms, and physiologies remain largely unresolved. Here, we obtained 39 genomes from acid mine drainage (AMD) and hot spring environments around the world. 16S rRNA gene based analyses revealed that Parvarchaeota were only detected in AMD and hot spring habitats, while Micrarchaeota were also detected in others including soil, peat, hypersaline mat, and freshwater, suggesting a considerable higher diversity and broader than expected habitat distribution for this phylum. Despite their small genomes (0.64-1.08 Mb), these archaea may contribute to carbon and nitrogen cycling by degrading multiple saccharides and proteins, and produce ATP via aerobic respiration and fermentation. Additionally, we identified several syntenic genes with homology to those involved in iron oxidation in six Parvarchaeota genomes, suggesting their potential role in iron cycling. However, both phyla lack biosynthetic pathways for amino acids and nucleotides, suggesting that they likely scavenge these biomolecules from the environment and/or other community members. Moreover, low oxygen enrichments in laboratory confirmed our speculation that both phyla are microaerobic/anaerobic, based on several specific genes identified in them. Furthermore, phylogenetic analyses provide insights into the close evolutionary history of energy related functionalities between both phyla with Thermoplasmatales. These results expand our understanding of these elusive archaea by revealing their involvement in carbon, nitrogen, and iron cycling, and suggest their potential interactions with Thermoplasmatales on genomic scale. PMID- 29222444 TI - Diazotroph diversity and nitrogen fixation in the coral Stylophora pistillata from the Great Barrier Reef. AB - Diazotrophs, both Bacteria and Archaea, capable of fixing nitrogen (N2), are present in the tissues and mucous, of corals and can supplement the coral holobiont nitrogen budget with fixed nitrogen (N) in the form of ammonia (NH3). Stylophora pistillata from Heron Island on the Great Barrier Reef collected at 5 and 15 m, and experimentally manipulated in the laboratory, showed that the rates of net photosynthesis, steady state quantum yields of photosystem II (PSII) fluorescence (?Fv/Fm') and calcification varied based on irradiance as expected. Rates of N2 fixation were, however, invariant across treatments while the amount of fixed N contributing to Symbiodinium spp. N demand is irradiance dependent. Additionally, both the Symbiodinium and diazotrophic communities are significantly different based on depth, and novel Cluster V nifH gene phylotypes, which are not known to fix nitrogen, were recovered. A functional analysis using PICRUSt also showed that shallow corals were enriched in genes involved in nitrogen metabolism, and N2 fixation specifically. Corals have evolved a number of strategies to derive nitrogen from organic (e.g., heterotrophic feeding) and inorganic sources (e.g., N2 fixation) to maintain critical pathways such as protein synthesis to succeed ecologically in nitrogen-limited habitats. PMID- 29222445 TI - Model-based genome-wide determination of RNA chain elongation rates in Escherichia coli. AB - Dynamics in the process of transcription are often simplified, yet they play an important role in transcript folding, translation into functional protein and DNA supercoiling. While the modulation of the speed of transcription of individual genes and its role in regulation and proper protein folding has been analyzed in depth, the functional relevance of differences in transcription speeds as well as the factors influencing it have not yet been determined on a genome-wide scale. Here we determined transcription speeds for the majority of E. coli genes based on experimental data. We find large differences in transcription speed between individual genes and a strong influence of both cellular location as well as the relative importance of genes for cellular function on transcription speeds. Investigating factors influencing transcription speeds we observe both codon composition as well as factors associated to DNA topology as most important factors influencing transcription speeds. Moreover, we show that differences in transcription speeds are sufficient to explain the timing of regulatory responses during environmental shifts and highlight the importance of the consideration of transcription speeds in the design of experiments measuring transcriptomic responses to perturbations. PMID- 29222446 TI - Demonstration of ultra-high recyclable energy densities in domain-engineered ferroelectric films. AB - Dielectric capacitors have the highest charge/discharge speed among all electrical energy devices, but lag behind in energy density. Here we report dielectric ultracapacitors based on ferroelectric films of Ba(Zr0.2,Ti0.8)O3 which display high-energy densities (up to 166 J cm-3) and efficiencies (up to 96%). Different from a typical ferroelectric whose electric polarization is easily saturated, these Ba(Zr0.2,Ti0.8)O3 films display a much delayed saturation of the electric polarization, which increases continuously from nearly zero at remnant in a multipolar state, to a large value under the maximum electric field, leading to drastically improved recyclable energy densities. This is achieved by the creation of an adaptive nano-domain structure in these perovskite films via phase engineering and strain tuning. The lead-free Ba(Zr0.2,Ti0.8)O3 films also show excellent dielectric and energy storage performance over a broad frequency and temperature range. These findings may enable broader applications of dielectric capacitors in energy storage, conditioning, and conversion. PMID- 29222447 TI - Structural abnormalities in islets from very young children with cystic fibrosis may contribute to cystic fibrosis-related diabetes. AB - Cystic fibrosis (CF)-related diabetes (CFRD) is thought to result from beta-cell injury due in part to pancreas exocrine damage and lipofibrosis. CFRD pancreata exhibit reduced islet density and altered cellular composition. To investigate a possible etiology, we tested the hypothesis that such changes are present in CF pancreata before the development of lipofibrosis. We evaluated pancreas and islet morphology in tissues from very young CF children (<4 years of age), and adult patients with CF and CFRD. The relative number of beta-cells in young CF tissues was reduced by 50% or more when compared to age-matched controls. Furthermore, young CF tissues displayed significantly smaller insulin-positive areas, lower proportion of beta-cells positive for the proliferation marker Ki67 or the ductal marker CK19 vs. control subjects, and islet inflammatory cell infiltrates, independently of the severity of the exocrine lesion and in the absence of amyloid deposits. CFRD pancreata exhibited greater islet injury with further reduction in islet density, decreased relative beta-cell number, and presence of amyloid deposits. Together, these results strongly suggest that an early deficiency in beta-cell number in infants with CF may contribute to the development of glucose intolerance in the CF pediatric population, and to CFRD, later in life. PMID- 29222448 TI - Effect of Qianghuo Erhuang Decoction on T Regulatory and T Helper 17 Cells in Treatment of Adjuvant-induced Arthritis in Rats. AB - QianghuoErhuang Decoction (QED) is an effective recipe in treating rheumatoid arthritis. The present study aimed to explore the effects of QED on Treg and Th17 in adjuvant arthritis (AA) model. The study included 6 group rats: normal control group, AA group, AA + methotrexate (MTX) group, AA + high, moderate, and low dose QED groups. The arthritis score was significantly decreased in the MTX and high dose QED groups compared with the AA group on days 24 and 28 (P < 0.01), respectively. The synovial tissue inflammation was attenuated by histological observation, and the proliferation of splenocytes was significantly inhibited in MTX and high-dose QED groups (P < 0.01). High-dose QED can up-regulated the percentage of Treg cells (P < 0.01) and down-regulated the percentage of Th17 cells (P < 0.05). Notably, the serum levels of IL-6, IL-17 and TNF-alpha were significantly decreased, while TGF-beta levels were apparently elevated compared with AA group (P < 0.05, P < 0.01). Interestingly, moderate and low-dose QED had no such similar effects. In summary, high-dose QED had a therapeutic effect against adjuvant arthritis and regulated the related cytokine levels in serum. The underlying mechanism might be mediated via restoration of the imbalance in CD4+ T lymphocyte subsets, Treg/Th17. PMID- 29222449 TI - Detection of Prions in Blood of Cervids at the Asymptomatic Stage of Chronic Wasting Disease. AB - Chronic wasting disease (CWD) is a rapidly spreading prion disorder affecting captive and free-ranging cervids. The zoonotic potential of CWD is unknown, as well as the mechanism for its highly efficient transmission. A top priority to minimize further spreading of this disease and its potential impact on environmental prion contamination is the development of a non-invasive, sensitive, and specific test for ante-mortem detection of infected animals. Here, we optimized the protein misfolding cyclic amplification (PMCA) assay for highly efficient detection of CWD prions in blood samples. Studies were done using a blind panel of 98 field-collected samples of whole blood from codon 96 glycine/glycine, captive white-tailed deer that were analyzed for prion infection post-mortem by immunohistochemistry (IHC). The results showed a sensitivity of 100% in animals with very poor body condition that were IHC-positive in both brain and lymph nodes, 96% in asymptomatic deer IHC-positive in brain and lymph nodes and 53% in animals at early stages of infection that were IHC-positive only in lymph nodes. The overall mean diagnostic sensitivity was 79.3% with 100% specificity. These findings show that PMCA might be useful as a blood test for routine, live animal diagnosis of CWD. PMID- 29222451 TI - Alternate partial root-zone drip irrigation improves water- and nitrogen- use efficiencies of sweet-waxy maize with nitrogen fertigation. AB - Alternate partial root-zone drip irrigation (ADI) or fertigation has favorable effect on crop water- and nitrogen- use efficiencies (WUE and NUE). However, the advantage of combined application of ADI and nitrogen fertigation on crop WUE and NUE remains unclear. A pot experiment was conducted to investigate the impact of three irrigation methods (CDI conventional drip irrigation (both halves of pot irrigated), ADI (both halves of pot alternatively irrigated) and FDI fixed partial root-zone drip irrigation (fixed half of pot irrigated)) and five nitrogen treatments (F0 no N supplied, F1-F4 0.2, 0.18, 0.16 and 0.14 g N per kg soil via fertigation) on sweet-waxy maize. Compared with CDI, ADI reduced water consumption by 19.9%, but increased water use efficiency based on dry seed yield (WUEs) by 32.3%, and also enhanced nitrogen apparent recovery fraction (Nrf) and nitrogen agronomic efficiency (NAE). F1-F4 augmented dry mass accumulation, dry seed yield and total nitrogen uptake if compared to F0. Moreover, F2-ADI had higher shoot and total dry masses, WUEs, total nitrogen uptake, Nrf and NAE. Thus ADI increased nitrogen uptake, WUE and NUE of sweet-waxy maize with nitrogen fertigation of 0.18 g N per kg soil in this study. PMID- 29222450 TI - Elevation of autophagy markers in Sjogren syndrome dry eye. AB - Autophagy is known to be implicated in the pathogenesis of Sjogren syndrome (SS), but evidences are limited. We aimed to examine the levels of autophagy markers in tear film and conjunctival epithelial cells from SS dry eye patients, and analyze their correlations with clinical features. Patients with SS dry eye exhibited lower Schirmer values, lower tear breakup time, and higher ocular staining scores. In tears, ATG5 and LC3B-II/I levels were significantly higher in SS dry eye. ATG5 and LC3B-II mRNA in the conjunctiva were also elevated in SS dry eye compared with non-SS dry eye. The immunostaining of conjunctival epithelium showed a punctate pattern of ATG5 and LC3B-II in SS dry eye. These staining patterns were also observed in the lacrimal gland of SS animal models. ATG5 levels in tears and the conjunctival epithelium strongly correlated with ocular staining scores, and one month of topical corticosteroid treatment reduced both ATG5 and LC3B-II/I levels in tear film and the conjunctival epithelium of patients with SS dry eye. Our results suggest that autophagy is enhanced or dysregulated in SS and autophagy markers may be serve as both diagnostic and therapeutic biomarkers in SS dry eye. PMID- 29222452 TI - Enhanced electronic-transport modulation in single-crystalline VO2 nanowire-based solid-state field-effect transistors. AB - Field-effect transistors using correlated electron materials with an electronic phase transition pave a new avenue to realize steep slope switching, to overcome device size limitations and to investigate fundamental science. Here, we present a new finding in gate-bias-induced electronic transport switching in a correlated electron material, i.e., a VO2 nanowire channel through a hybrid gate, which showed an enhancement in the resistive modulation efficiency accompanied by expansion of metallic nano-domains in an insulating matrix by applying gate biases near the metal-insulator transition temperature. Our results offer an understanding of the innate ability of coexistence state of metallic and insulating domains in correlated materials through carrier tuning and serve as a valuable reference for further research into the development of correlated materials and their devices. PMID- 29222453 TI - Transcriptome analysis of Brachypodium during fungal pathogen infection reveals both shared and distinct defense responses with wheat. AB - Fusarium crown rot (FCR) of wheat and barley, predominantly caused by the fungal pathogen Fusarium pseudograminearum, is a disease of economic significance. The quantitative nature of FCR resistance within cultivated wheat germplasm has significantly limited breeding efforts to enhanced FCR resistance in wheat. In this study, we characterized the molecular responses of Brachypodium distachyon (Brachypodium hereafter) to F. pseudograminearum infection using RNA-seq to determine whether Brachypodium can be exploited as a model system towards better understanding of F. pseudograminearum-wheat interaction. The transcriptional response to infection in Brachypodium was strikingly similar to that previously reported in wheat, both in shared expression patterns of wheat homologs of Brachypodium genes and functional overlap revealed through comparative gene ontology analysis in both species. Metabolites produced by various biosynthetic pathways induced in both wheat and Brachypodium were quantified, revealing a high degree of overlap between these two species in metabolic response to infection but also showed Brachypodium does not produce certain defence-related metabolites found in wheat. Functional analyses of candidate genes identified in this study will improve our understanding of resistance mechanisms and may lead to the development of new strategies to protect cereal crops from pathogen infection. PMID- 29222454 TI - Stromal Versican Regulates Tumor Growth by Promoting Angiogenesis. AB - The proteoglycan versican is implicated in growth and metastases of several cancers. Here we investigated a potential contribution of stromal versican to tumor growth and angiogenesis. We initially determined versican expression by several cancer cell lines. Among these, MDA-MB231 and B16F10 had none to minimal expression in contrast to Lewis lung carcinoma (LLC). Notably, tumors arising from these cell lines had higher versican levels than the cell lines themselves suggesting a contribution from the host-derived tumor stroma. In LLC-derived tumors, both the tumor and stroma expressed versican at high levels. Thus, tumor stroma can make a significant contribution to tumor versican content. Versican localized preferentially to the vicinity of tumor vasculature and macrophages in the tumor. However, an ADAMTS protease-generated versican fragment uniquely localized to vascular endothelium. To specifically determine the impact of host/stroma-derived versican we therefore compared growth of tumors from B16F10 cells, which produced littleversican, in Vcan hdf/+ mice and wild-type littermates. Tumors in Vcan hdf/+ mice had reduced growth with a lower capillary density and accumulation of capillaries at the tumor periphery. These findings illustrate the variability of tumor cell line expression of versican, and demonstrate that versican is consistently contributed by the stromal tissue, where it contributes to tumor angiogenesis. PMID- 29222455 TI - Binding Modes of Teixobactin to Lipid II: Molecular Dynamics Study. AB - Teixobactin (TXB) is a newly discovered antibiotic targeting the bacterial cell wall precursor Lipid II (LII). In the present work, four binding modes of TXB on LII were identified by a contact-map based clustering method. The highly flexible binary complex ensemble was generated by parallel tempering metadynamics simulation in a well-tempered ensemble (PTMetaD-WTE). In agreement with experimental findings, the pyrophosphate group and the attached first sugar subunit of LII are found to be the minimal motif for stable TXB binding. Three of the four binding modes involve the ring structure of TXB and have relatively higher binding affinities, indicating the importance of the ring motif of TXB in LII recognition. TXB-LII complexes with a ratio of 2:1 are also predicted with configurations such that the ring motif of two TXB molecules bound to the pyrophosphate-MurNAc moiety and the glutamic acid residue of one LII, respectively. Our findings disclose that the ring motif of TXB is critical to LII binding and novel antibiotics can be designed based on its mimetics. PMID- 29222457 TI - A control analysis perspective on Katz centrality. AB - Methods for efficiently controlling dynamics propagated on networks are usually based on identifying the most influential nodes. Knowledge of these nodes can be used for the targeted control of dynamics such as epidemics, or for modifying biochemical pathways relating to diseases. Similarly they are valuable for identifying points of failure to increase network resilience in, for example, social support networks and logistics networks. Many measures, often termed 'centrality', have been constructed to achieve these aims. Here we consider Katz centrality and provide a new interpretation as a steady-state solution to continuous-time dynamics. This enables us to implement a sensitivity analysis which is similar to metabolic control analysis used in the analysis of biochemical pathways. The results yield a centrality which quantifies, for each node, the net impact of its absence from the network. It also has the desirable property of requiring a node with a high centrality to play a central role in propagating the dynamics of the system by having the capacity to both receive flux from others and then to pass it on. This new perspective on Katz centrality is important for a more comprehensive analysis of directed networks. PMID- 29222456 TI - BMPs as new insulin sensitizers: enhanced glucose uptake in mature 3T3-L1 adipocytes via PPARgamma and GLUT4 upregulation. AB - Insulin-resistance is the main cause of type 2 diabetes. Here we describe the identification and characterization of BMP2 and BMP6 as new insulin-sensitizing growth factors in mature adipocytes. We show that BMP2 and BMP6 lead to enhanced insulin-mediated glucose uptake in both insulin-sensitive and -insensitive adipocytes. We exclude a direct effect of BMP2 or BMP6 on translocation of GLUT4 to the plasma membrane and demonstrate that these BMPs increase GLUT4 protein levels equipotent to Rosiglitazone. BMPs induce expression of PPARgamma as the crucial mediator for the insulin-sensitizing effect. A comprehensive RNA-Seq analysis in mature adipocytes revealed regulation of both BMP/Smad and PPARgamma target genes. The effects of BMP2 and BMP6 are not completely redundant and include regulation of genes involved in glucose and fatty acid metabolism and adipokine expression. Collectively, these findings suggest the BMP2 and BMP6 pathway(s) as promising new drug targets to treat insulin resistance. PMID- 29222458 TI - Serendipity and strategy in rapid innovation. AB - Innovation is to organizations what evolution is to organisms: it is how organizations adapt to environmental change and improve. Yet despite advances in our understanding of evolution, what drives innovation remains elusive. On the one hand, organizations invest heavily in systematic strategies to accelerate innovation. On the other, historical analysis and individual experience suggest that serendipity plays a significant role. To unify these perspectives, we analysed the mathematics of innovation as a search for designs across a universe of component building blocks. We tested our insights using data from language, gastronomy and technology. By measuring the number of makeable designs as we acquire components, we observed that the relative usefulness of different components can cross over time. When these crossovers are unanticipated, they appear to be the result of serendipity. But when we can predict crossovers in advance, they offer opportunities to strategically increase the growth of the product space. PMID- 29222459 TI - Uncovering heterogeneous interactions in online commercial networks. AB - With the rapid development of Internet, the research on online commercial networks has become crucial for filtering out irrelevant information for users and predicting their future interest. The common methods for understanding such typical user-item networks are mainly projecting them to unipartite ones with only positive ratings, which may result in losing a large amount of information. In this paper, we propose a novel approach to construct a signed unipartite network with heterogeneous interactions (i.e. positive or negative) between users from the original bipartite network. Based on the signed similarity, we carry out the percolation analysis on this signed unipartite network, which reveals a phase transition phenomenon. The statistical features of the giant component consisting of the positive and negative interactions are investigated respectively. Finally, the roles of the negative links and weak ties are revealed by adding them back to the giant component. This work not only deepens our understanding of the online commercial networks, but also has potential applications in the design of recommendation algorithms. PMID- 29222460 TI - Laminar flow drag reduction on soft porous media. AB - While researches have focused on drag reduction of various coated surfaces such as superhydrophobic structures and polymer brushes, the insights tso understand the fundamental physics of the laminar skin friction coefficient and the related drag reduction due to the formation of finite velocity at porous surfaces is still relatively unknown. Herein, we quantitatively investigated the flow over a porous medium by developing a framework to model flow of a Newtonian fluid in a channel where the lower surface was replaced by various porous media. We showed that the flow drag reduction induced by the presence of the porous media depends on the values of the permeability parameter alpha = L/(MK)1/2 and the height ratio delta = H/L, where L is the half thickness of the free flow region, H is the thickness and K is the permeability of the fiber layer, and M is the ratio of the fluid effective dynamic viscosity MUe in porous media to its dynamic viscosity MU. We also examined the velocity and shear stress profiles for flow over the permeable layer for the limiting cases of alpha -> 0 and alpha -> infinity. The model predictions were compared with the experimental data for specific porous media and good agreement was found. PMID- 29222461 TI - Tree co-occurrence and transcriptomic response to drought. AB - The distribution and co-occurrence of species are partly the outcome of their interactions with environmental drivers. Drought is a key driver related to the distribution of plant species. Drought events continue to increase in frequency and severity and identifying those aspects of plant function that are related to drought is critical. Here, we perform a community-level analysis of gene expression in relation to experimental drought and relate the similarity in gene set enrichment across species to their natural co-occurrence. Species with similar gene set enrichment in response to experimental drought tend to non randomly co-occur in a natural stand. We demonstrate that similarity in the transcriptomic response of species to drought is a significantly better indicator of natural co-occurrence than measures of functional trait similarity and phylogenetic relatedness and that transcriptomics has the capacity to greatly enhance ecological investigations of species distributions and community structure. PMID- 29222462 TI - A translational model to determine rodent's age from human foetal age. AB - To understand the prenatal origin of developmental and psychiatric disorders, studies in laboratory animals are imperative. However, the developmental pace differs between humans and animals; hence, corresponding human ages must be estimated to infer the most vulnerable developmental timings in humans. Because rats and mice are extensively used as models in developmental research, a correspondence between human foetal ages and rodents' ages must be precisely determined; thus, developing a translational model is of utmost importance. Optimizing a translational model involves classifying the brain regions according to developmental paces, but previous studies have conducted this classification arbitrarily. Here we used a clustering method and showed that the brain regions can be classified into two groups. To quantify the developmental pace, we gathered data for a range of development events in humans and rodents and created a linear mixed model that translates human developmental timings into the corresponding rat timings. We conducted an automatic classification of brain regions using an EM algorithm and obtained a model to translate human foetal age to rat age. Our model could predict rat developmental timings within 2.5 days of root mean squared error. This result provides useful information for designing animal studies and clinical tests. PMID- 29222463 TI - The genome sequence of Bipolaris cookei reveals mechanisms of pathogenesis underlying target leaf spot of sorghum. AB - Bipolaris cookei (=Bipolaris sorghicola) causes target leaf spot, one of the most prevalent foliar diseases of sorghum. Little is known about the molecular basis of pathogenesis in B. cookei, in large part due to a paucity of resources for molecular genetics, such as a reference genome. Here, a draft genome sequence of B. cookei was obtained and analyzed. A hybrid assembly strategy utilizing Illumina and Pacific Biosciences sequencing technologies produced a draft nuclear genome of 36.1 Mb, organized into 321 scaffolds with L50 of 31 and N50 of 378 kb, from which 11,189 genes were predicted. Additionally, a finished mitochondrial genome sequence of 135,790 bp was obtained, which contained 75 predicted genes. Comparative genomics revealed that B. cookei possessed substantially fewer carbohydrate-active enzymes and secreted proteins than closely related Bipolaris species. Novel genes involved in secondary metabolism, including genes implicated in ophiobolin biosynthesis, were identified. Among 37 B. cookei genes induced during sorghum infection, one encodes a putative effector with a limited taxonomic distribution among plant pathogenic fungi. The draft genome sequence of B. cookei provided novel insights into target leaf spot of sorghum and is an important resource for future investigation. PMID- 29222464 TI - The Irish DNA Atlas: Revealing Fine-Scale Population Structure and History within Ireland. AB - The extent of population structure within Ireland is largely unknown, as is the impact of historical migrations. Here we illustrate fine-scale genetic structure across Ireland that follows geographic boundaries and present evidence of admixture events into Ireland. Utilising the 'Irish DNA Atlas', a cohort (n = 194) of Irish individuals with four generations of ancestry linked to specific regions in Ireland, in combination with 2,039 individuals from the Peoples of the British Isles dataset, we show that the Irish population can be divided in 10 distinct geographically stratified genetic clusters; seven of 'Gaelic' Irish ancestry, and three of shared Irish-British ancestry. In addition we observe a major genetic barrier to the north of Ireland in Ulster. Using a reference of 6,760 European individuals and two ancient Irish genomes, we demonstrate high levels of North-West French-like and West Norwegian-like ancestry within Ireland. We show that that our 'Gaelic' Irish clusters present homogenous levels of ancient Irish ancestries. We additionally detect admixture events that provide evidence of Norse-Viking gene flow into Ireland, and reflect the Ulster Plantations. Our work informs both on Irish history, as well as the study of Mendelian and complex disease genetics involving populations of Irish ancestry. PMID- 29222465 TI - The dynamic dimer structure of the chaperone Trigger Factor. AB - The chaperone Trigger Factor (TF) from Escherichia coli forms a dimer at cellular concentrations. While the monomer structure of TF is well known, the spatial arrangement of this dimeric chaperone storage form has remained unclear. Here, we determine its structure by a combination of high-resolution NMR spectroscopy and biophysical methods. TF forms a symmetric head-to-tail dimer, where the ribosome binding domain is in contact with the substrate binding domain, while the peptidyl-prolyl isomerase domain contributes only slightly to the dimer affinity. The dimer structure is highly dynamic, with the two ribosome binding domains populating a conformational ensemble in the center. These dynamics result from intermolecular in trans interactions of the TF client-binding site with the ribosome binding domain, which is conformationally frustrated in the absence of the ribosome. The avidity in the dimer structure explains how the dimeric state of TF can be monomerized also by weakly interacting clients. PMID- 29222467 TI - Elemental preference and atomic scale site recognition in a Co-Al-W-base superalloy. AB - Using state-of-the-art atomic scale super energy dispersive X-ray spectroscopy and high angle annular dark field imaging this study reveals the elemental partitioning preference between the gamma' and gamma phases in a Co-Al-W-Ti-Ta superalloy and the site preference of its alloying elements in the ordered L12 gamma' phase. A semi-quantitative analysis of atomic column compositions in the ordered L12 gamma' structure is provided. Co atoms were found to occupy the {1/2, 1/2, 0} face-center positions whereas Al, W, Ti and Ta atoms prefer to occupy the {0, 0, 0} cube corner positions in the L12 gamma phase. These findings agree well with predictions from first principles simulations in the literature. PMID- 29222466 TI - Deciphering transcriptional regulation in human embryonic stem cells specified towards a trophoblast fate. AB - Differentiated human embryonic stem cells (hESC) continue to provide a model for studying early trophoblast cells (TB), but many questions have been raised regarding their true identity. Therefore, we carried out a global and unbiased analysis on previously published transcriptomic profiles for hESC differentiated to TB by means of bone morphogenetic protein-4 and inhibitors of activin A and fibroblast growth factor-2 signaling (BAP treatment). Our results confirm that BAP treated hESC (ESCd) lack a mesoderm signature and are a subtype of placental cells unlike those present at term. ESCd display a high level of expression of genes implicated in migration and invasion compared to commonly used, immortalized TB cell lines and primary cells from term placenta. Co-expression network analysis also identified gene modules involved in cell migration and adhesion, processes that are likely critical during the beginning stages of placentation. Finally, protein-protein interaction analysis predicted several additional genes that may play important roles in early stages of placental development. Together, our analyses provide novel insights into the transcriptional programs that are active in ESCd. PMID- 29222468 TI - Dissecting the Genetic Basis of Local Adaptation in Soybean. AB - Soybean (Glycine max) is the most widely grown oilseed in the world and is an important source of protein for both humans and livestock. Soybean is widely adapted to both temperate and tropical regions, but a changing climate demands a better understanding of adaptation to specific environmental conditions. Here, we explore genetic variation in a collection of 3,012 georeferenced, locally adapted landraces from a broad geographical range to help elucidate the genetic basis of local adaptation. We used geographic origin, environmental data and dense genome wide SNP data to perform an environmental association analysis and discover loci displaying steep gradients in allele frequency across geographical distance and between landrace and modern cultivars. Our combined application of methods in environmental association mapping and detection of selection targets provide a better understanding of how geography and selection may have shaped genetic variation among soybean landraces. Moreover, we identified several important candidate genes related to drought and heat stress, and revealed important genomic regions possibly involved in the geographic divergence of soybean. PMID- 29222470 TI - Remote control of resistive switching in TiO2 based resistive random access memory device. AB - We report on the magnetic field control of a bipolar resistive switching in Ag/TiO2/FTO based resistive random access memory device through I-V characteristics. Essentially, in the presence of magnetic field and in the low resistance state, an abrupt change in the resistance of the device demands higher voltage, hinting that residual Lorentz force plays a significant role in controlling the resistance state. Endurance characteristics of the device infer that there is no degradation of the device even after repeated cycling, which ensures that the switching of resistance between 'off' and 'on' states is reproducible, reversible and controllable. Magnetic field control of 'on' and 'off' states in endurance characteristics suggest that this device can be controlled in a remote way for multi-bit data storage. PMID- 29222469 TI - Hippocampal oxytocin receptors are necessary for discrimination of social stimuli. AB - Oxytocin receptor (Oxtr) signaling in neural circuits mediating discrimination of social stimuli and affiliation or avoidance behavior is thought to guide social recognition. Remarkably, the physiological functions of Oxtrs in the hippocampus are not known. Here we demonstrate using genetic and pharmacological approaches that Oxtrs in the anterior dentate gyrus (aDG) and anterior CA2/CA3 (aCA2/CA3) of mice are necessary for discrimination of social, but not non-social, stimuli. Further, Oxtrs in aCA2/CA3 neurons recruit a population-based coding mechanism to mediate social stimuli discrimination. Optogenetic terminal-specific attenuation revealed a critical role for aCA2/CA3 outputs to posterior CA1 for discrimination of social stimuli. In contrast, aCA2/CA3 projections to aCA1 mediate discrimination of non-social stimuli. These studies identify a role for an aDG CA2/CA3 axis of Oxtr expressing cells in discrimination of social stimuli and delineate a pathway relaying social memory computations in the anterior hippocampus to the posterior hippocampus to guide social recognition. PMID- 29222472 TI - Long Noncoding RNA HOTAIR Modulates MiR-206-mediated Bcl-w Signaling to Facilitate Cell Proliferation in Breast Cancer. AB - LncRNA HOX transcript antisense RNA (HOTAIR) is involved in lots of cancers. The pro-survival protein Bcl-w is frequently found in cancer development. However, the effect of HOTAIR on Bcl-w in breast cancer is not well documented. In this study, we first evaluated the correlation between HOTAIR level and Bcl-w expression in clinical breast cancer tissues. We observed that the expression levels of Bcl-w were much higher in the breast cancer samples than that in their paired noncancerous tissues. Moreover, the levels of HOTAIR were positively associated with those of Bcl-w in clinical breast cancer samples. As expected, we observed that HOTAIR was able to up-regulate the expression of Bcl-w in breast cancer cells. Mechanistically, we found that miR-206 was capable of inhibiting the expression of Bcl-w by directly binding to the 3'UTR of Bcl-w mRNA. Interestingly, HOTAIR could increase the expression of Bcl-w through sequestering miR-206 at post-transcriptional level. Functionally, our data showed that HOTAIR induced Bcl-w by miR-206 facilitated the proliferation of breast cancer cells. Thus, we conclude that HOTAIR up-regulates Bcl-w to enhance cell proliferation through sequestering miR-206 in breast cancer. Our finding provides new insights into the mechanism of breast cancer mediated by HOTAIR. PMID- 29222471 TI - Spatial competition constrains resistance to targeted cancer therapy. AB - Adaptive therapy (AT) aims to control tumour burden by maintaining therapy sensitive cells to exploit their competition with resistant cells. This relies on the assumption that resistant cells have impaired cellular fitness. Here, using a model of resistance to a pharmacological cyclin-dependent kinase inhibitor (CDKi), we show that this assumption is valid when competition between cells is spatially structured. We generate CDKi-resistant cancer cells and find that they have reduced proliferative fitness and stably rewired cell cycle control pathways. Low-dose CDKi outperforms high-dose CDKi in controlling tumour burden and resistance in tumour spheroids, but not in monolayer culture. Mathematical modelling indicates that tumour spatial structure amplifies the fitness penalty of resistant cells, and identifies their relative fitness as a critical determinant of the clinical benefit of AT. Our results justify further investigation of AT with kinase inhibitors. PMID- 29222473 TI - Hypoxia-inducible factor 1alpha is Essential for Macrophage-mediated Erythroblast Proliferation in Acute Friend Retrovirus Infection. AB - Macrophages are the frontline of defence against foreign microorganisms, including bacteria, parasites, and viruses. During acute viral infection, macrophages must invade the inflamed tissue toward low oxygen concentrations, where genetic cellular responses depend on hypoxia-inducible factors (HIF). In the study reported here we investigated the role of HIF-1alpha in macrophage function during acute retroviral infection. Wild-type and myeloid cell-specific HIF-1alpha knockout mice were infected with Friend retrovirus (FV), and immune response was analysed 7 and 10 days after infection. FV infection led to increased spleen weight in wild-type and knockout mice, whereas a profound proliferation of erythroblasts was seen only in wild-type mice. The number of spleen-infiltrating macrophages was also significantly lower in knockout animals. Macrophage invasion after FV infection in wild-type mice led to elevated amounts of activated macrophage-stimulating 1 protein that resulted in massive proliferation of erythrocyte precursor cells. This proliferation was absent from knockout mice because of impaired invasion capabilities of HIF-1alpha-deficient macrophages. Our study elucidated a novel mechanism of FV-induced erythrocyte precursor cell proliferation. PMID- 29222474 TI - A nontrivial crossover in topological Hall effect regimes. AB - We propose a new theory of the topological Hall effect (THE) in systems with non collinear magnetization textures such as magnetic skyrmions. We solve the problem of electron scattering on a magnetic skyrmion exactly, for an arbitrary strength of exchange interaction and the skyrmion size. We report the existence of different regimes of THE and resolve the apparent contradiction between the adiabatic Berry phase theoretical approach and the perturbation theory for THE. We traced how the topological charge Hall effect transforms into the spin Hall effect upon varying the exchange interaction strength or the skyrmion size. This transformation has a nontrivial character: it is accompanied by an oscillating behavior of both charge and spin Hall currents. This hallmark of THE allows one to identify the chirality driven contribution to Hall response in the experiments. PMID- 29222475 TI - Suitability of various chromatographic and spectroscopic techniques for analysis and kinetic degradation study of trelagliptin. AB - Multifaceted comparative analytical methods for trelagliptin (TRL) were investigated, applied to ZAFATEK tablets and HPLC-UV was selected for a degradation kinetic study. UPLC-MS/MS (Method I), UPLC-UV (Method II), HPLC-UV (Method III), UHPLC-UV (Method IV) and direct UV (Method V) methods were developed. Methods (I-V) showed satisfactory results using TRL concentration ranges of 50-800 ng/mL, 2.5-80 MUg/mL, 5-100 MUg/mL, 5-100 MUg/mL and 5-50 MUg/mL, respectively. Multiple Reaction Monitoring (MRM) of the transition pairs of m/z 358.176 to 134.127 for TRL and m/z 340.18 to 116.08 for alogliptin (IS) were employed utilizing positive mode Electrospray Ionization (ESI). The degradation kinetic study (Method VI) was carried out using 1 N HCl based on three different temperatures (70 degrees C, 80 degrees C and 90 degrees C). Through the optimized method-3, a good chromatographic separation of TRL from its major degradation product was achieved. Arrhenius plot was used in the kinetic study and the apparent 1st order degradation rate constant (K), t1/2, t90, and the activation energies were calculated for each temperature and at 25 degrees C. The optimized UPLC-MS/MS method is suitable for further TRL assay either in biological fluids or in the presence of impurities. PMID- 29222476 TI - Morphophysiological mechanism of rice yield increase in response to optimized nitrogen management. AB - The yield-increasing mechanism of an optimized nitrogen fertilizer application (OFA) in rice was reported in this work through a three-year test. Results showed that the number of branches and spikelets increased, panicle length, the diameter and vascular bundle number of panicle-neck internode improved with OFA. Under the condition of OFA, high effective leaf areas, especially for the flag and the second upper leaf areas, increased, the net photosynthetic rate of the upper three leaves promoted, so the photosynthetic productivity went up by a large margin; moreover, the content of soluble protein and chlorophyll of leaf also increased, and the content of soluble sugar and malondialdehyde (MDA) decreased, as a result in slowing down the senescence speed in leaves, and increasing the photosynthetic time. Gene expression level, including MOC1, LAX1, SP1, GS1;1, were up-regulated obviously in different panicle initiation stage under OFA condition, which conduced to the increase in the secondary branches and spikelets. So we concluded that the changes in organ formation and panicle structure, together with the responses in physiological and molecular made the photosynthetic area, rate and time all increased with OFA, which provided the matter basis for the big panicle development, consequently, got a higher yield. PMID- 29222478 TI - Viscosity jump in the lower mantle inferred from melting curves of ferropericlase. AB - Convection provides the mechanism behind plate tectonics, which allows oceanic lithosphere to be subducted into the mantle as "slabs" and new rock to be generated by volcanism. Stagnation of subducting slabs and deflection of rising plumes in Earth's shallow lower mantle have been suggested to result from a viscosity increase at those depths. However, the mechanism for this increase remains elusive. Here, we examine the melting behavior in the MgO-FeO binary system at high pressures using the laser-heated diamond-anvil cell and show that the liquidus and solidus of (Mg x Fe1-x )O ferropericlase (x = ~0.52-0.98), exhibit a local maximum at ~40 GPa, likely caused by the spin transition of iron. We calculate the relative viscosity profiles of ferropericlase using homologous temperature scaling and find that viscosity increases 10-100 times from ~750 km to ~1000-1250 km, with a smaller decrease at deeper depths, pointing to a single mechanism for slab stagnation and plume deflection. PMID- 29222477 TI - A Novel EEG Based Spectral Analysis of Persistent Brain Function Alteration in Athletes with Concussion History. AB - The neurocognitive sequelae of a sport-related concussion and its management are poorly defined. Detecting deficits are vital in making a decision about the treatment plan as it can persist one year or more following a brain injury. The reliability of traditional cognitive assessment tools is debatable, and thus attention has turned to assessments based on electroencephalogram (EEG) to evaluate subtle post-concussive alterations. In this study, we calculated neurocognitive deficits combining EEG analysis with three standard post concussive assessment tools. Data were collected for all testing modalities from 21 adolescent athletes (seven concussive and fourteen healthy) in three different trials. For EEG assessment, along with linear frequency-based features, we introduced a set of time-frequency (Hjorth Parameters) and nonlinear features (approximate entropy and Hurst exponent) for the first time to explore post concussive deficits. Besides traditional frequency-band analysis, we also presented a new individual frequency-based approach for EEG assessment. While EEG analysis exhibited significant discrepancies between the groups, none of the cognitive assessment resulted in significant deficits. Therefore, the evidence from the study highlights that our proposed EEG analysis and markers are more efficient at deciphering post-concussion residual neurocognitive deficits and thus has a potential clinical utility of proper concussion assessment and management. PMID- 29222479 TI - GDF15 deficiency exacerbates chronic alcohol- and carbon tetrachloride-induced liver injury. AB - Growth differentiation factor 15 (GDF15) has recently been shown to have an important role in the regulation of mitochondrial function and in the pathogenesis of complex human diseases. Nevertheless, the role of GDF15 in alcohol-induced or fibrotic liver diseases has yet to be determined. In this study, we demonstrate that alcohol- or carbon tetrachloride (CCl4)-mediated hepatic GDF15 production ameliorates liver inflammation and fibrosis. Alcohol directly enhanced GDF15 expression in primary hepatocytes, which led to increased oxygen consumption. Moreover, GDF15 reduced the expression of pro-inflammatory cytokines in liver-resident macrophages, leading to an improvement in inflammation and fibrosis in the liver. GDF15 knockout (KO) mice had more TNF alpha-producing T cells and more activated CD4+ and CD8+ T cells in the liver than wild-type mice. Liver-infiltrating monocytes and neutrophils were also increased in the GDF15 KO mice during liver fibrogenesis. These changes in hepatic immune cells were associated with increased tissue inflammation and fibrosis. Finally, recombinant GDF15 decreased the expression of pro-inflammatory cytokines and fibrotic mediators and prevented the activation of T cells in the livers of mice with CCl4-induced liver fibrosis. These results suggest that GDF15 could be a potential therapeutic target for the treatment of alcohol-induced and fibrotic liver diseases. PMID- 29222480 TI - A tyrosinase, mTyr-CNK, that is functionally available as a monophenol monooxygenase. AB - Tyrosinase efficiently catalyzes the ortho-hydroxylation of monophenols and the oxidation of diphenols without any additional cofactors. Although it is of significant interest for the biosynthesis of catechol derivatives, the rapid catechol oxidase activity and inactivation of tyrosinase have hampered its practical utilization as a monophenol monooxygenase. Here, we prepared a functional tyrosinase that exhibited a distinguished monophenolase/diphenolase activity ratio (V max mono/ V max di = 3.83) and enhanced catalytic efficiency against L-tyrosine (k cat = 3.33 +/- 0.18 s-1, K m = 2.12 +/- 0.14 mM at 20 degrees C and pH 6.0). This enzyme was still highly active in ice water (>80%), and its activity was well conserved below 30 degrees C. In vitro DOPA modification, with a remarkably high yield as a monophenol monooxygenase, was achieved by the enzyme taking advantage of these biocatalytic properties. These results demonstrate the strong potential for this enzyme's use as a monophenol monooxygenase in biomedical and industrial applications. PMID- 29222481 TI - Hypoxia-inducible factor prolyl-4-hydroxylase-1 is a convergent point in the reciprocal negative regulation of NF-kappaB and p53 signaling pathways. AB - Hypoxia-inducible factor 1alpha (HIF1alpha) induces the expression of several hundred genes in hypoxia aiming at restoration of oxygen homeostasis. HIF prolyl 4-hydroxylases (HIF-P4Hs) regulate the stability of HIF1alpha in an oxygen dependent manner. Hypoxia is a common feature in inflammation and cancer and the HIF pathway is closely linked with the inflammatory NF-kappaB and tumor suppressor p53 pathways. Here we show that genetic inactivation or chemical inhibition of HIF-P4H-1 leads to downregulation of proinflammatory genes, while proapoptotic genes are upregulated. HIF-P4H-1 inactivation reduces the inflammatory response under LPS stimulus in vitro and in an acute skin inflammation model in vivo. Furthermore, HIF-P4H-1 inactivation increases p53 activity and stability and hydroxylation of proline 142 in p53 has an important role in this regulation. Altogether, our data suggest that HIF-P4H-1 inhibition may be a promising therapeutic candidate for inflammatory diseases and cancer, enhancing the reciprocal negative regulation of the NF-kappaB and p53 pathways. PMID- 29222482 TI - Poly(methyl vinyl ether-alt-maleic acid) and ethyl monoester as building polymers for drug-loadable electrospun nanofibers. AB - New biomaterials are sought for the development of bioengineered nanostructures. In the present study, electrospun nanofibers have been synthesized by using poly(methyl vinyl ether-alt-maleic acid) and poly(methyl vinyl ether-alt-maleic ethyl monoester) (PMVEMA-Ac and PMVEMA-ES, respectively) as building polymers for the first time. To further functionalize these materials, nanofibers of PMVEMA-Ac and PMVEMA-ES containing a conjugated polyelectrolyte (HTMA-PFP, blue emitter, and HTMA-PFNT, red emitter) were achieved with both forms maintaining a high solid state fluorescence yield without altered morphology. Also, 5-aminolevulinic acid (5-ALA) was incorporated within these nanofibers, where it remained chemically stable. In all cases, nanofiber diameters were less than 150 nm as determined by scanning and transmission electron microscopy, and encapsulation efficiency of 5-ALA was 97 +/- 1% as measured by high-performance liquid chromatography. Both polymeric matrices showed rapid release kinetics in vertical cells (Franz cells) and followed Higuchi kinetics. In addition, no toxicity of nanofibers, in the absence of light, was found in HaCaT and SW480 cell lines. Finally, it was shown that loaded 5-ALA was functional, as it was internalized by cells in nanofiber-treated cultures and served as a substrate for the generation of protoporphyrin IX, suggesting these pharmaceutical vehicles are suitable for photodynamic therapy applications. PMID- 29222483 TI - Atlantic deep water provenance decoupled from atmospheric CO2 concentration during the lukewarm interglacials. AB - Ice core records show that atmospheric CO2 concentrations and Antarctic temperature were lower during the 'lukewarm interglacials' from 800 to 430 ka than the subsequent five interglacials. These different interglacial 'strengths' have been hypothesised to be controlled by Antarctic overturning circulation. How these variations in Antarctic overturning relate to Northern Atlantic overturning circulation, a major driver of Northern Hemisphere climate, is uncertain. Here we present a high-resolution record of authigenic neodymium isotopes-a water mass tracer that is independent of biological processes-and use it to reconstruct Atlantic overturning circulation during the last 800 kyr. This record reveals a similar proportion of North Atlantic Deep Water during the 'lukewarm interglacials' and the more recent interglacials. This observation suggests that the provenance of deep water in the Atlantic Ocean can be decoupled from ventilation state of the Southern Ocean and consequently the atmospheric concentration of carbon dioxide. PMID- 29222484 TI - Ground-state cooling of a mechanical oscillator in a hybrid optomechanical system including an atomic ensemble. AB - We investigate dynamical properties and the ground-state cooling of a mechanical oscillator in an optomechanical system coupling with an atomic ensemble. In this hybrid optomechanical system, an atomic ensemble which consists of two-level atoms couples with the cavity field. Here we consider the case where the atomic ensemble is in higher excitation. Studies show that the atom-field coupling strength can obviously influence the cooling process, and we can achieve the ground-state cooling of the mechanical oscillator by choosing the appropriate physical parameters of the system. Our cooling mechanism has potential applications in quantum information processing and procession measurement. PMID- 29222485 TI - Redox-switchable breathing behavior in tetrathiafulvalene-based metal-organic frameworks. AB - Metal-organic frameworks (MOFs) that respond to external stimuli such as guest molecules, temperature, or redox conditions are highly desirable. Herein, we coupled redox-switchable properties with breathing behavior induced by guest molecules in a single framework. Guided by topology, two flexible isomeric MOFs, compounds 1 and 2, with a formula of In(Me2NH2)(TTFTB), were constructed via a combination of [In(COO)4]- metal nodes and tetratopic tetrathiafulvalene-based linkers (TTFTB). The two compounds show different breathing behaviors upon the introduction of N2. Single-crystal X-ray diffraction, accompanied by molecular simulations, reveals that the breathing mechanism of 1 involves the bending of metal-ligand bonds and the sliding of interpenetrated frameworks, while 2 undergoes simple distortion of linkers. Reversible oxidation and reduction of TTF moieties changes the linker flexibility, which in turn switches the breathing behavior of 2. The redox-switchable breathing behavior can potentially be applied to the design of stimuli-responsive MOFs. PMID- 29222486 TI - The Role of Personality and Subjective Exposure Experiences in Posttraumatic Stress Disorder and Depression Symptoms among Children Following Wenchuan Earthquake. AB - This study aims to investigate the role of personality traits and subjective exposure experiences in posttraumatic stress disorder and depression symptoms. In Qingchuan, 21,652 children aged 7 to 15 years were assessed using face-to-face interviews one year after the Wenchuan earthquake in China. The Junior Eysenck Personality Questionnaire, a modified earthquake exposure scale, the UCLA Posttraumatic Stress Disorder Reaction Index (adolescent), and the Adolescent Depression Inventory were used to assess personality characteristics, trauma experiences, posttraumatic stress disorder and depression symptoms, respectively. The measurement was completed with 20,749 children. After adjusting for other factors by multinomial logistic regression analysis, neuroticism, having felt unable to escape from the disaster and having been trapped for a longer time were risk factors of posttraumatic stress disorder and depression symptoms. Socialization was a protective factor of them. Having felt extreme panic or fear was a risk factor of posttraumatic stress disorder symptoms. For depression symptoms, introversion and psychoticism were risk factors, and extraversion was a protective factor. This study was conducted with the largest representative sample of child survivors of a natural, devastating disaster in a developing country. These results could be useful for planning psychological intervention strategies for children and for influencing further research. PMID- 29222487 TI - Structure-driven CO2 selectivity and gas capacity of ionic clathrate hydrates. AB - Ionic clathrate hydrates can selectively capture small gas molecules such as CO2, N2, CH4 and H2. We investigated CO2 + N2 mixed gas separation properties of ionic clathrate hydrates formed with tetra-n-butylammonium bromide (TBAB), tetra-n butylammonium chloride (TBAC), tetra-n-butylphosphonium bromide (TBPB) and tetra n-butylphosphonium chloride (TBPC). The results showed that CO2 selectivity of TBAC hydrates was remarkably higher than those of the other hydrates despite less gas capacity of TBAC hydrates. The TBAB hydrates also showed irregularly high CO2 selectivity at a low pressure. X-ray diffraction and Raman spectroscopic analyses clarified that TBAC stably formed the tetragonal hydrate structure, and TBPB and TBPC formed the orthorhombic hydrate structure. The TBAB hydrates showed polymorphic phases which may consist of the both orthorhombic and tetragonal hydrate structures. These results showed that the tetragonal hydrate captured CO2 more efficiently than the orthorhombic hydrate, while the orthorhombic hydrate has the largest gas capacity among the basic four structures of ionic clathrate hydrates. The present study suggests new potential for improving gas capacity and selectivity of ionic clathrate hydrates by choosing suitable ionic guest substances for guest gas components. PMID- 29222488 TI - Different carotenoid conformations have distinct functions in light-harvesting regulation in plants. AB - To avoid photodamage plants regulate the amount of excitation energy in the membrane at the level of the light-harvesting complexes (LHCs). It has been proposed that the energy absorbed in excess is dissipated via protein conformational changes of individual LHCs. However, the exact quenching mechanism remains unclear. Here we study the mechanism of quenching in LHCs that bind a single carotenoid species and are constitutively in a dissipative conformation. Via femtosecond spectroscopy we resolve a number of carotenoid dark states, demonstrating that the carotenoid is bound to the complex in different conformations. Some of those states act as excitation energy donors for the chlorophylls, whereas others act as quenchers. Via in silico analysis we show that structural changes of carotenoids are expected in the LHC protein domains exposed to the chloroplast lumen, where acidification triggers photoprotection in vivo. We propose that structural changes of LHCs control the conformation of the carotenoids, thus permitting access to different dark states responsible for either light harvesting or photoprotection. PMID- 29222489 TI - Specific binding of a polymer chain to a sequence of surface receptors. AB - This paper considers a biologically relevant question of a Gaussian chain (such as an unfolded protein) binding to a sequence of receptors with matching multiple ligands distributed along the chain. Using the characteristic time for a tethered ligand to bind to a surface receptor, we study the case of multiple binding to a linear sequence of receptors on the surface. The tethered binding time is determined by the entropic barrier for the chain to be stretched sufficiently to reach the distant receptor target, and a restriction on chain conformations near the substrate. Adsorption (multiple-site binding) is shown to be dominated by a simple zipper sequence, only occasionally accelerated by loop formation. However, when the number of receptors increases, a competing rate-limiting process takes over: the center of mass of the remaining free chain has to drift down the line of receptors, which takes longer when the receptors are close and the entropic pulling force is low. As a result, the time for the complete chain adsorption is minimised by a certain optimal number of receptors, depending on the distance to be traversed by the free end, and the chain length. PMID- 29222491 TI - Exploring biased attention towards body-related stimuli and its relationship with body awareness. AB - Stimuli of great social relevance exogenously capture attention. Here we explored the impact of body-related stimuli on endogenous attention. Additionally, we investigate the influence of internal states on biased attention towards this class of stimuli. Participants were presented with a body, face, or chair cue to hold in memory (Memory task) or to merely attend (Priming task) and, subsequently, they were asked to find a circle in an unrelated visual search task. In the valid condition, the circle was flanked by the cue. In the invalid condition, the pre-cued picture re-appeared flanking the distracter. In the neutral condition, the cue item did not re-appear in the search display. We found that although bodies and faces benefited from a general faster visual processing compared to chairs, holding them in memory did not produce any additional advantage on attention compared to when they are merely attended. Furthermore, face cues generated larger orienting effect compared to body and chairs cues in both Memory and Priming task. Importantly, results showed that individual sensitivity to internal bodily responses predicted the magnitude of the memory based orienting of attention to bodies, shedding new light on the relationship between body awareness and visuo-spatial attention. PMID- 29222490 TI - RAN translation at C9orf72-associated repeat expansions is selectively enhanced by the integrated stress response. AB - Repeat-associated non-AUG (RAN) translation allows for unconventional initiation at disease-causing repeat expansions. As RAN translation contributes to pathogenesis in multiple neurodegenerative disorders, determining its mechanistic underpinnings may inform therapeutic development. Here we analyze RAN translation at G4C2 repeat expansions that cause C9orf72-associated amyotrophic lateral sclerosis and frontotemporal dementia (C9RAN) and at CGG repeats that cause fragile X-associated tremor/ataxia syndrome. We find that C9RAN translation initiates through a cap- and eIF4A-dependent mechanism that utilizes a CUG start codon. C9RAN and CGG RAN are both selectively enhanced by integrated stress response (ISR) activation. ISR-enhanced RAN translation requires an eIF2alpha phosphorylation-dependent alteration in start codon fidelity. In parallel, both CGG and G4C2 repeats trigger phosphorylated-eIF2alpha-dependent stress granule formation and global translational suppression. These findings support a model whereby repeat expansions elicit cellular stress conditions that favor RAN translation of toxic proteins, creating a potential feed-forward loop that contributes to neurodegeneration. PMID- 29222492 TI - Interaction of RNA-binding protein HuR and miR-466i regulates GM-CSF expression. AB - Granulocyte-macrophage colony-stimulating factor (GM-CSF) produced by T helper 17 (Th17) cells plays an essential role in autoimmune diseases. Transcriptional regulation of Th17 cell differentiation has been extensively studied, but post transcriptional regulation of Th17 cell differentiation has remained less well characterized. The RNA-binding protein HuR functions to promote the stability of target mRNAs via binding the AU-rich elements of the 3' untranslated region (3'UTR) of numerous pro-inflammatory cytokines including IL-4, IL-13, IL-17 and TNF-alpha. However, whether HuR regulates GM-CSF expression in Th17 cells has not been fully investigated. Here we showed that HuR conditional knockout (KO) Th17 cells have decreased GM-CSF mRNA in comparison with wild-type (WT) Th17 cells, and that HuR binds directly to GM-CSF mRNA 3'UTR. Interestingly, HuR deficiency increased the levels of certain microRNA expression in Th17 cells; for example, miR-466i functioned to mediate GM-CSF and IL-17 mRNA decay, which was confirmed by in vitro luciferase assay. Furthermore, we found that HuR promoted Mxi1 expression to inhibit certain miRNA expression. Taken together, these findings indicate that interaction of HuR and miR-466i orchestrates GM-CSF expression in Th17 cells. PMID- 29222493 TI - Bioinspired graphene membrane with temperature tunable channels for water gating and molecular separation. AB - Smart regulation of substance permeability through porous membranes is highly desirable for membrane applications. Inspired by the stomatal closure feature of plant leaves at relatively high temperature, here we report a nano-gating membrane with a negative temperature-response coefficient that is capable of tunable water gating and precise small molecule separation. The membrane is composed of poly(N-isopropylacrylamide) covalently bound to graphene oxide via free-radical polymerization. By virtue of the temperature tunable lamellar spaces of the graphene oxide nanosheets, the water permeance of the membrane could be reversibly regulated with a high gating ratio. Moreover, the space tunability endows the membrane with the capability of gradually separating multiple molecules of different sizes. This nano-gating membrane expands the scope of temperature-responsive membranes and has great potential applications in smart gating systems and molecular separation. PMID- 29222494 TI - The consequences of replacing wildlife with livestock in Africa. AB - The extirpation of native wildlife species and widespread establishment of livestock farming has dramatically distorted large mammal herbivore communities across the globe. Ecological theory suggests that these shifts in the form and the intensity of herbivory have had substantial impacts on a range of ecosystem processes, but for most ecosystems it is impossible to quantify these changes accurately. We address these challenges using species-level biomass data from sub Saharan Africa for both present day and reconstructed historical herbivore communities. Our analyses reveal pronounced herbivore biomass losses in wetter areas and substantial biomass increases and functional type turnover in arid regions. Fire prevalence is likely to have been altered over vast areas where grazer biomass has transitioned to above or below the threshold at which grass fuel reduction can suppress fire. Overall, shifts in the functional composition of herbivore communities promote an expansion of woody cover. Total herbivore methane emissions have more than doubled, but lateral nutrient diffusion capacity is below 5% of past levels. The release of fundamental ecological constraints on herbivore communities in arid regions appears to pose greater threats to ecosystem function than do biomass losses in mesic regions, where fire remains the major consumer. PMID- 29222495 TI - Effect of the preparation of lime putties on their properties. AB - In the study of lime as the basic component of historical mortars and plasters, four lime putties prepared from various kinds of lime of various granulometry and by various ways of preparation were evaluated. The rheological properties and micro-morphologic changes, growing of calcite crystals, and rate of carbonation were monitored. The lime putty prepared from lump lime achieves the best rheological properties, yield stress 214.7 Pa and plastic viscosity 2.6 Pa.s. The suitability of this lime putty was checked by testing the development of calcium hydroxide and calcite crystals using scanning electron microscopy and environmental scanning electron microscopy. The disordered crystals of calcium hydroxide exhibit better carbonation resulting in the large crystals of calcite; therefore, the mortar prepared from the lump lime has the highest flexural strength and compressive strength 0.8/2.5 MPa, its carbonation is the fastest and exhibits the longest durability. Also, thanks to the micro-morphological characterization of samples in their native state by means of environmental scanning electron microscopy, the new way of lime putty preparation by mixing was proven. The preparation consists in the mechanical crash of the lime particles immediately after hydration. This enables the properties of putty prepared from lump lime to be nearly reached. PMID- 29222496 TI - Genome-wide and gene-based association mapping for rice eating and cooking characteristics and protein content. AB - Rice eating and cooking quality and protein content (PC) are important properties affecting consumers' preferences, nutrition and health. Linkage QTL mapping and association studies are usually applied to genetically dissect related traits, which could be further facilitated by high density SNP markers and gene annotation based on reference genome to rapid identify candidate genes associated with interested traits. Here, we carried out an association study for apparent amylose content (AC), gel consistency (GC), gelatinization temperature (GT) and PC evaluated in two environments using a diverse panel of 258 accessions from 3 K Rice Genome Project. Wide phenotypic variations were observed in this panel. Genome-wide association study using 22,488 high quality SNPs identified 19 QTL affecting the four traits. Combining gene-based association study and haplotype analyses plus functional annotation allowed us to shortlist nine candidate genes for four important QTL regions affecting AC, GC and GT, including two cloned genes (Wx and ALK), and seven novels. The research suggested that GWAS and gene based association analysis followed by haplotype analysis is an effective way to detect candidate genes. The identified genes and QTL provided valuable sources for future functional characterization and genetic improvement of rice eating and cooking quality and PC. PMID- 29222497 TI - Computational insights for the hydride transfer and distinctive roles of key residues in cholesterol oxidase. AB - Cholesterol oxidase (ChOx), a member of the glucose-methanol-choline (GMC) family, catalyzes the oxidation of the substrate via a hydride transfer mechanism and concomitant reduction of the FAD cofactor. Unlike other GMC enzymes, the conserved His447 is not the catalytic base that deprotonates the substrate in ChOx. Our QM/MM MD simulations indicate that the Glu361 residue acts as a catalytic base facilitating the hydride transfer from the substrate to the cofactor. We find that two rationally chosen point mutations (His447Gln and His447Asn) cause notable decreases in the catalytic activity. The binding free energy calculations show that the Glu361 and His447 residues are important in substrate binding. We also performed high-level double-hybrid density functional theory simulations using small model systems, which support the QM/MM MD results. Our work provides a basis for unraveling the substrate oxidation mechanism in GMC enzymes in which the conserved histidine does not act as a base. PMID- 29222498 TI - Author Correction: Charles D. Surh 1960-2017. AB - In the version of this article initially published, the year of birth provided (1960) was incorrect. The correct year is 1961. The error has been corrected in the HTML and PDF versions of the article. PMID- 29222499 TI - Crystal structure of an RNA-cleaving DNAzyme. AB - In addition to storage of genetic information, DNA can also catalyze various reactions. RNA-cleaving DNAzymes are the catalytic DNAs discovered the earliest, and they can cleave RNAs in a sequence-specific manner. Owing to their great potential in medical therapeutics, virus control, and gene silencing for disease treatments, RNA-cleaving DNAzymes have been extensively studied; however, the mechanistic understandings of their substrate recognition and catalysis remain elusive. Here, we report three catalytic form 8-17 DNAzyme crystal structures. 8 17 DNAzyme adopts a V-shape fold, and the Pb2+ cofactor is bound at the pre organized pocket. The structures with Pb2+ and the modification at the cleavage site captured the pre-catalytic state of the RNA cleavage reaction, illustrating the unexpected Pb2+-accelerated catalysis, intrinsic tertiary interactions, and molecular kink at the active site. Our studies reveal that DNA is capable of forming a compacted structure and that the functionality-limited bio-polymer can have a novel solution for a functional need in catalysis. PMID- 29222500 TI - Long term outcomes in survivors of epidemic Influenza A (H7N9) virus infection. AB - Patients who survive influenza A (H7N9) virus infection are at risk of physical and psychological complications of lung injury and multi-organ dysfunction. However, there were no prospectively individualized assessments of physiological, functional and quality-of-life measures after hospital discharge. The current study aims to assess the main determinants of functional disability of these patients during the follow-up. Fifty-six influenza A (H7N9) survivors were investigated during the 2-year after discharge from the hospital. Results show interstitial change and fibrosis on pulmonary imaging remained 6 months after hospital discharge. Both ventilation and diffusion dysfunction improved, but restrictive and obstructive patterns on ventilation function test persisted throughout the follow-up period. For patients with acute respiratory distress syndrome lung functions improved faster during the first six months. Role physical and Role-emotional domains in the 36-Item Short-Form Health Survey were worse than those of a sex- and age-matched general population group. The quality of life of survivors with ARDS was lower than those with no ARDS. Our findings suggest that pulmonary function and imaging findings improved during the first 6 months especially for those with ARDS, however long-term lung disability and psychological impairment in H7N9 survivors persisted at 2 years after discharge from the hospital. PMID- 29222501 TI - Inversion evolutionary rates might limit the experimental identification of inversion breakpoints in non-model species. AB - Chromosomal inversions are structural changes that alter gene order but generally not gene content in the affected region. In Drosophila, extensive cytological studies revealed the widespread character of inversion polymorphism, with evidence for its adaptive character. In Drosophila subobscura, polymorphism affects both its four large autosomal elements and its X (A) chromosome. The characterization of eight of these autosomal inversions breakpoints revealed that most of them originated through the staggered-breaks mechanism. Here, we have performed chromosomal walks to identify the breakpoints of two X-chromosome widely distributed inversions -A2 and A1- of D. subobscura. Inversion A2 is considered a warm-adapted arrangement that exhibits parallel latitudinal clines in the species ancestral distribution area and in both American subcontinents, whereas inversion A1 is only present in the Palearctic region where it presents an east-west cline. The duplication detected at the A2 inversion breakpoints is consistent with its origin by the staggered-breaks mechanism. Inversion A1 breakpoints could not be molecularly identified even though they could be narrowly delimited. This result points to chromosome walking limitations when using as a guide the genome of other species. Limitations stem from the rate of evolution by paracentric inversions, which in Drosophila is highest for the X chromosome. PMID- 29222502 TI - Pharmacokinetics, biodistribution and brain retention of a bispecific antibody based PET radioligand for imaging of amyloid-beta. AB - Monoclonal antibodies (mAbs) have not been used as positron emission tomography (PET) ligands for in vivo imaging of the brain because of their limited passage across the blood-brain barrier (BBB). However, due to their high affinity and specificity, mAbs may be an attractive option for brain PET if their brain distribution can be facilitated. In the present study, a F(ab')2 fragment of the amyloid-beta (Abeta) protofibril selective mAb158 was chemically conjugated to the transferrin receptor (TfR) antibody 8D3 to enable TfR mediated transcytosis across the BBB. The generated bispecific protein, 8D3-F(ab')2-h158, was subsequently radiolabeled and used for microPET imaging of Abeta pathology in two mouse models of AD. [124I]8D3-F(ab')2-h158 was distributed across the BBB several fold more than unmodified mAbs in general and its accumulation in the brain reflected disease progression, while its concentration in blood and other organs remained stable across all age groups studied. Cerebellum was largely devoid of 8D3-F(ab')2-h158 in young and middle aged mice, while mice older than 18 months also showed some accumulation in cerebellum. In a longer perspective, the use of bispecific antibodies as PET ligands may enable in vivo 'immunohistochemistry' also of other proteins in the brain for which PET radioligands are lacking. PMID- 29222503 TI - CO2 Mineralization and Utilization using Steel Slag for Establishing a Waste-to Resource Supply Chain. AB - Both steelmaking via an electric arc furnace and manufacturing of portland cement are energy-intensive and resource-exploiting processes, with great amounts of carbon dioxide (CO2) emission and alkaline solid waste generation. In fact, most CO2 capture and storage technologies are currently too expensive to be widely applied in industries. Moreover, proper stabilization prior to utilization of electric arc furnace slag are still challenging due to its high alkalinity, heavy metal leaching potentials and volume instability. Here we deploy an integrated approach to mineralizing flue gas CO2 using electric arc furnace slag while utilizing the reacted product as supplementary cementitious materials to establish a waste-to-resource supply chain toward a circular economy. We found that the flue gas CO2 was rapidly mineralized into calcite precipitates using electric arc furnace slag. The carbonated slag can be successfully utilized as green construction materials in blended cement mortar. By this modulus, the global CO2 reduction potential using iron and steel slags was estimated to be ~138 million tons per year. PMID- 29222504 TI - RNAStructuromeDB: A genome-wide database for RNA structural inference. AB - RNA plays important roles in almost every aspect of biology, and every aspect of RNA biology is influenced by its folding. This is a particularly important consideration in the era of high-throughput sequencing, when the discovery of novel transcripts far outpaces our knowledge of their functions. To gain a comprehensive picture of biology requires a structural framework for making functional inferences on RNA. To this end we have developed the RNA Structurome Database ( https://structurome.bb.iastate.edu ), a comprehensive repository of RNA secondary structural information that spans the entire human genome. Here, we compile folding information for every base pair of the genome that may be transcribed: coding, noncoding, and intergenic regions, as well as repetitive elements, telomeres, etc. This was done by fragmenting the GRCh38 reference genome into 154,414,320 overlapping sequence fragments and, for each fragment, calculating a set of metrics based on the sequence's folding properties. These data will facilitate a wide array of investigations: e.g. discovery of structured regulatory elements in differential gene expression data or noncoding RNA discovery, as well as allow genome-scale analyses of RNA folding. PMID- 29222505 TI - A comparison of methods to measure central and peripheral oxytocin concentrations in human and non-human primates. AB - Oxytocin (OT) concentration in the blood is considered to be a marker of its action in the brain. However, two problems have emerged when measuring OT level in the blood. First, it is unclear whether different methods of assessment lead to similar OT values. Second, it is unclear if plasma OT concentrations is informative on what OT does in the brain. To clarify these issues, we collected cerebrospinal fluid (CSF) from the brain ventricle of 25 patients during surgery to compare with plasma OT after simultaneous blood withdrawal. Additionally, we collected 12 CSF and blood samples from non-human primates while awake or under anaesthesia. We used four methods to assay OT concentrations: Commercial EIA with/without extraction, laboratory developed EIA with filtration and RIA with extraction. Three of these methods showed a positive correlation between plasma and CSF OT, suggesting a link between plasma and central OT, at least under specific testing conditions. However, none of the methods correlated to each other. Our results show major disagreements among methods used here to measure peripheral and brain OT and therefore they call for more caution when plasma OT is taken as a marker of central OT. PMID- 29222506 TI - An assessment of the global impact of 21st century land use change on soil erosion. AB - Human activity and related land use change are the primary cause of accelerated soil erosion, which has substantial implications for nutrient and carbon cycling, land productivity and in turn, worldwide socio-economic conditions. Here we present an unprecedentedly high resolution (250 * 250 m) global potential soil erosion model, using a combination of remote sensing, GIS modelling and census data. We challenge the previous annual soil erosion reference values as our estimate, of 35.9 Pg yr-1 of soil eroded in 2012, is at least two times lower. Moreover, we estimate the spatial and temporal effects of land use change between 2001 and 2012 and the potential offset of the global application of conservation practices. Our findings indicate a potential overall increase in global soil erosion driven by cropland expansion. The greatest increases are predicted to occur in Sub-Saharan Africa, South America and Southeast Asia. The least developed economies have been found to experience the highest estimates of soil erosion rates. PMID- 29222507 TI - Induced unconventional superconductivity on the surface states of Bi2Te3 topological insulator. AB - Topological superconductivity is central to a variety of novel phenomena involving the interplay between topologically ordered phases and broken-symmetry states. The key ingredient is an unconventional order parameter, with an orbital component containing a chiral p x + ip y wave term. Here we present phase sensitive measurements, based on the quantum interference in nanoscale Josephson junctions, realized by using Bi2Te3 topological insulator. We demonstrate that the induced superconductivity is unconventional and consistent with a sign changing order parameter, such as a chiral p x + ip y component. The magnetic field pattern of the junctions shows a dip at zero externally applied magnetic field, which is an incontrovertible signature of the simultaneous existence of 0 and pi coupling within the junction, inherent to a non trivial order parameter phase. The nano-textured morphology of the Bi2Te3 flakes, and the dramatic role played by thermal strain are the surprising key factors for the display of an unconventional induced order parameter. PMID- 29222509 TI - Impact of model calibration on cost-effectiveness analysis of cervical cancer prevention. AB - Markov chain models are commonly used to simulate the natural history of human papillomavirus infection and subsequent cervical lesions with the aim of predicting future benefits of health interventions. Developing and calibrating these models entails making a number of critical decisions that will influence the ability of the model to reflect real conditions and predict future situations. Accuracy of selected inputs and calibration procedures are two of the crucial aspects for model performance and understanding their influence is essential, especially when involves policy decisions. The aim of this work is to assess the health and economic impact on cervical cancer prevention strategies currently under discussion according to the most common methods of model calibration combined with different accuracy degree of initial inputs. Model results show large differences on the goodness of fit and cost-effectiveness outcomes depending on the calibration approach used, and these variations may affect health policy decisions. Our findings strengthen the importance of obtaining good calibrated probability matrices to get reliable health and cost outcomes, and are directly generalizable to any cost-effectiveness analysis based on Markov chain models. PMID- 29222508 TI - CRISPR-Cpf1 mediates efficient homology-directed repair and temperature controlled genome editing. AB - Cpf1 is a novel class of CRISPR-Cas DNA endonucleases, with a wide range of activity across different eukaryotic systems. Yet, the underlying determinants of this variability are poorly understood. Here, we demonstrate that LbCpf1, but not AsCpf1, ribonucleoprotein complexes allow efficient mutagenesis in zebrafish and Xenopus. We show that temperature modulates Cpf1 activity by controlling its ability to access genomic DNA. This effect is stronger on AsCpf1, explaining its lower efficiency in ectothermic organisms. We capitalize on this property to show that temporal control of the temperature allows post-translational modulation of Cpf1-mediated genome editing. Finally, we determine that LbCpf1 significantly increases homology-directed repair in zebrafish, improving current approaches for targeted DNA integration in the genome. Together, we provide a molecular understanding of Cpf1 activity in vivo and establish Cpf1 as an efficient and inducible genome engineering tool across ectothermic species. PMID- 29222510 TI - Semiconductor SERS enhancement enabled by oxygen incorporation. AB - Semiconductor-based surface-enhanced Raman spectroscopy (SERS) substrates represent a new frontier in the field of SERS. However, the application of semiconductor materials as SERS substrates is still seriously impeded by their low SERS enhancement and inferior detection sensitivity, especially for non-metal oxide semiconductor materials. Herein, we demonstrate a general oxygen incorporation-assisted strategy to magnify the semiconductor substrate-analyte molecule interaction, leading to significant increase in SERS enhancement for non metal-oxide semiconductor materials. Oxygen incorporation in MoS2 even with trace concentrations can not only increase enhancement factors by up to 100,000-fold compared with oxygen-unincorporated samples but also endow MoS2 with low limit of detection below 10-7 M. Intriguingly, combined with the findings in previous studies, our present results indicate that both oxygen incorporation and extraction processes can result in SERS enhancement, probably due to the enhanced charge-transfer resonance as well as exciton resonance arising from the judicious control of oxygen admission in semiconductor substrate. PMID- 29222511 TI - Dynamics of Transformation from Platinum Icosahedral Nanoparticles to Larger FCC Crystal at Millisecond Time Resolution. AB - Atomic motion at grain boundaries is essential to microstructure development, growth and stability of catalysts and other nanostructured materials. However, boundary atomic motion is often too fast to observe in a conventional transmission electron microscope (TEM) and too slow for ultrafast electron microscopy. Here, we report on the entire transformation process of strained Pt icosahedral nanoparticles (ICNPs) into larger FCC crystals, captured at 2.5 ms time resolution using a fast electron camera. Results show slow diffusive dislocation motion at nm/s inside ICNPs and fast surface transformation at MUm/s. By characterizing nanoparticle strain, we show that the fast transformation is driven by inhomogeneous surface stress. And interaction with pre-existing defects led to the slowdown of the transformation front inside the nanoparticles. Particle coalescence, assisted by oxygen-induced surface migration at T >= 300 degrees C, also played a critical role. Thus by studying transformation in the Pt ICNPs at high time and spatial resolution, we obtain critical insights into the transformation mechanisms in strained Pt nanoparticles. PMID- 29222512 TI - Improving Gene Regulatory Network Inference by Incorporating Rates of Transcriptional Changes. AB - Organisms respond to changes in their environment through transcriptional regulatory networks (TRNs). The regulatory hierarchy of these networks can be inferred from expression data. Computational approaches to identify TRNs can be applied in any species where quality RNA can be acquired, However, ChIP-Seq and similar validation methods are challenging to employ in non-model species. Improving the accuracy of computational inference methods can significantly reduce the cost and time of subsequent validation experiments. We have developed ExRANGES, an approach that improves the ability to computationally infer TRN from time series expression data. ExRANGES utilizes both the rate of change in expression and the absolute expression level to identify TRN connections. We evaluated ExRANGES in five data sets from different model systems. ExRANGES improved the identification of experimentally validated transcription factor targets for all species tested, even in unevenly spaced and sparse data sets. This improved ability to predict known regulator-target relationships enhances the utility of network inference approaches in non-model species where experimental validation is challenging. We integrated ExRANGES with two different network construction approaches and it has been implemented as an R package available here: http://github.com/DohertyLab/ExRANGES . To install the package type: devtools::install_github("DohertyLab/ExRANGES"). PMID- 29222513 TI - Biotrophy-necrotrophy switch in pathogen evoke differential response in resistant and susceptible sesame involving multiple signaling pathways at different phases. AB - Infection stages of charcoal rot fungus Macrophomina phaseolina in sesame revealed for the first time a transition from biotrophy via BNS (biotrophy-to necrotrophy switch) to necrotrophy as confirmed by transcriptional studies. Microscopy using normal and GFP-expressing pathogen showed typical constricted thick intercellular bitrophic hyphae which gave rise to thin intracellular necrotrophic hyphae during BNS and this stage was delayed in a resistant host. Results also show that as the pathogen switched its strategy of infection, the host tailored its defense strategy to meet the changing situation. Less ROS accumulation, upregulation of ROS signaling genes and higher antioxidant enzyme activities post BNS resulted in resistance. There was greater accumulation of secondary metabolites and upregulation of secondary metabolite-related genes after BNS. A total of twenty genes functioning in different aspects of plant defense that were monitored over a time course during the changing infection phases showed a coordinated response. Experiments using phytohormone priming and phytohormone inhibitors showed that resistance resulted from activation of JA-ET signaling pathway. Most importantly this defense response was more prompt in the resistant than the susceptible host indicating that a resistant host makes different choices from a susceptible host during infection which ultimately influences the severity of the disease. PMID- 29222514 TI - Indium phosphide metasurface with enhanced nonlinear absorption. AB - We solve the nonlinear Maxwell equations in an InP-based dielectric metamaterial, considering both two-photon absorption and photo-induced free-carrier absorption. We obtain the intensity-dependent reflection, absorption, and effective permittivity and permeability of the metamaterial. Our results show that nonlinear absorption dampens both the electric and magnetic Mie resonance, although the magnetic resonance is more affected because it occurs at longer wavelengths where the free-carrier absorption cross section is larger. Owing to field concentration in the metamaterial at resonance, the threshold intensity for nonlinear absorption is reduced by a factor of about 30 compared to a homogeneous layer of the same thickness. Our results have implications on the use of dielectric metamaterials for nonlinear applications such as higher harmonic generation, optical limiting, and ultrafast modulation. PMID- 29222515 TI - The highly efficient photocatalytic and light harvesting property of Ag-TiO2 with negative nano-holes structure inspired from cicada wings. AB - The negative replica of biomorphic TiO2 with nano-holes structure has been effectively fabricated directly from nano-nipple arrays structure of cicada wings by using a simple, low-cost and highly effective sol-gel ultrasonic method. The nano-holes array structure was well maintained after calcination in air at 500 degrees C. The Ag nanoparticles (10 nm-25 nm) were homogeneously decorated on the surface and to the side wall of nano-holes structure. It was observed that the biomorphic Ag-TiO2 showed remarkable photocatalytic activity by degradation of methyl blue (MB) under UV-vis light irradiation. The biomorphic Ag-TiO2 with nano holes structure showed superior photocatalytic activity compared to the biomorphic TiO2 and commercial Degussa P25. This high-performance photocatalytic activity of the biomorphic Ag-TiO2 may be attributed to the nano-holes structure, localized surface plasmon resonance (LSPR) property of the Ag nanoparticles, and enhanced electron-hole separation. Moreover, the biomorphic Ag-TiO2 showed more absorption capability in the visible wavelength range. This work provides a new insight to design such a structure which may lead to a range of novel applications. PMID- 29222516 TI - Impact of self-esteem and sex on stress reactions. AB - Positive self-evaluation is a major psychological resource modulating stress coping behavior. Sex differences have been reported in self-esteem as well as stress reactions, but so far their interactions have not been investigated. Therefore, we investigated sex-specific associations of self-esteem and stress reaction on behavioral, hormonal and neural levels. We applied a commonly used fMRI-stress task in 80 healthy participants. Men compared to women showed higher activation during stress in hippocampus, precuneus, superior temporal gyrus (STG) and insula. Furthermore, men outperformed women in the stress task and had higher cortisol and testosterone levels than women after stress. Self-esteem had an impact on precuneus, insula and STG activation during stress across the whole group. During stress, men recruit regions associated with emotion and stress regulation, self-referential processing and cognitive control more strongly than women. Self-esteem affects stress processing, however in a sex-independent fashion: participants with lower self-esteem show higher activation of regions involved in emotion and stress regulation, self-referential processing and cognitive control. Taken together, our data suggest that men are more engaged during the applied stress task. Across women and men, lower self-esteem increases the effort in emotion and stress processing and cognitive control, possibly leading to self-related thoughts in stressful situations. PMID- 29222518 TI - Interplay between geo-population factors and hierarchy of cities in multilayer urban networks. AB - Only taking into consideration the interplay between processes occurring at different levels of a country can provide the complete social and geopolitical plot of its urban system. We study the interaction of the administrative structure and the geographical connectivity between cities with the help of a multiplex network approach. We found that a spatially-distributed geo-network imposes its own ranking to the hierarchical administrative network, while the latter redistributes the shortest paths between nodes in the geographical layer. Using both real demographic data of population censuses of the Republic of Kazakhstan and theoretical models, we show that in a country-scale urban network and for each specific city, the geographical neighbouring with highly populated areas is more important than its political setting. Furthermore, the structure of political subordination is instead crucial for the wealth of transportation network and communication between populated regions of the country. PMID- 29222517 TI - Input-dependent regulation of excitability controls dendritic maturation in somatosensory thalamocortical neurons. AB - Input from the sensory organs is required to pattern neurons into topographical maps during development. Dendritic complexity critically determines this patterning process; yet, how signals from the periphery act to control dendritic maturation is unclear. Here, using genetic and surgical manipulations of sensory input in mouse somatosensory thalamocortical neurons, we show that membrane excitability is a critical component of dendritic development. Using a combination of genetic approaches, we find that ablation of N-methyl-D-aspartate (NMDA) receptors during postnatal development leads to epigenetic repression of Kv1.1-type potassium channels, increased excitability, and impaired dendritic maturation. Lesions to whisker input pathways had similar effects. Overexpression of Kv1.1 was sufficient to enable dendritic maturation in the absence of sensory input. Thus, Kv1.1 acts to tune neuronal excitability and maintain it within a physiological range, allowing dendritic maturation to proceed. Together, these results reveal an input-dependent control over neuronal excitability and dendritic complexity in the development and plasticity of sensory pathways. PMID- 29222519 TI - Virtual screening for inhibitors of the human TSLP:TSLPR interaction. AB - The pro-inflammatory cytokine thymic stromal lymphopoietin (TSLP) plays a pivotal role in the pathophysiology of various allergy disorders that are mediated by type 2 helper T cell (Th2) responses, such as asthma and atopic dermatitis. TSLP forms a ternary complex with the TSLP receptor (TSLPR) and the interleukin-7 receptor subunit alpha (IL-7Ralpha), thereby activating a signaling cascade that culminates in the release of pro-inflammatory mediators. In this study, we conducted an in silico characterization of the TSLP:TSLPR complex to investigate the drugability of this complex. Two commercially available fragment libraries were screened computationally for possible inhibitors and a selection of fragments was subsequently tested in vitro. The screening setup consisted of two orthogonal assays measuring TSLP binding to TSLPR: a BLI-based assay and a biochemical assay based on a TSLP:alkaline phosphatase fusion protein. Four fragments pertaining to diverse chemical classes were identified to reduce TSLP:TSLPR complex formation to less than 75% in millimolar concentrations. We have used unbiased molecular dynamics simulations to develop a Markov state model that characterized the binding pathway of the most interesting compound. This work provides a proof-of-principle for use of fragments in the inhibition of TSLP:TSLPR complexation. PMID- 29222520 TI - Smoking and alcohol drinking in relation to the risk of esophageal squamous cell carcinoma: A population-based case-control study in China. AB - Previous results regarding the associations between esophageal squamous-cell carcinoma (ESCC) risk and smoking/alcohol drinking in high-risk areas are inconsistent. We performed a large population-based case-control study from 2010 to 2013 in a high-incidence area of China, and enrolled 1353 ESCC cases and 1961 controls. Data regarding smoking and alcohol drinking were collected via face-to face interviews using a structured questionnaire. Odd ratios (ORs) with 95% confidence intervals (CIs) were estimated using unconditional logistic regression models. After adjusting for alcohol drinking and other potential confounders, male heavy smokers (i.e., those who started smoked more than 20 cigarettes per day or 40 pack-years, or started smoking early), showed a moderately increased risk for ESCC; however, current smoking was not associated with an increased risk. Alcohol drinking among males significantly increased the risk for ESCC (OR = 2.20, 95%CI:1.79~2.70). We observed increasing excess ESCC risks with decreasing age at behavior initiation as well as with increasing duration and intensity of alcohol intake, which were particularly evident among current smokers. In contrast, neither smoking nor alcohol drinking was not associated with ESCC risk among females. In conclusion, alcohol drinking shows a monotonic dose-response relationship with ESCC risk among men, and this relationship is particularly evident among smokers. PMID- 29222521 TI - Cytokines and chemokines measured in dried SLA-stimulated whole blood spots for asymptomatic Leishmania infantum and Leishmania donovani infection. AB - Whole blood stimulation with soluble Leishmania antigen (SLA), followed by plasma cytokine and chemokine determination, provides means of detecting subjects with asymptomatic Leishmania infection. This work examines the potential of Protein Saver 903 cards for the storage and transport of SLA-stimulated dried plasma spot samples. Blood was collected from asymptomatic and negative control subjects living in a Leishmania infantum- (Spain) and Leishmania donovani-endemic area (Bangladesh). After SLA-stimulation, three types of sample were prepared: frozen liquid plasma (-20 degrees C), and plasma dropped onto Protein Saver cards kept at -20 degrees C (DPS-FZ), and at ambient temperature (DPS-AT). The concentrations of IFN-gamma, IL-2, CXCL10, CXCL9, CCL2 and CXCL8 in the thawed liquid plasma (TLP), DPS-FZ and DPS-AT samples were then determined. Strong correlations were seen between the TLP and DPS-FZ/AT samples for all the studied cytokines/chemokines in both the L. infantum and L. donovani areas. Protein Saver 903 cards would therefore appear to allow for the transport of SLA-stimulated plasma samples by courier at ambient temperature. The CXCL10 and CXCL9 detectable in these plasma spots provided robust markers for identifying asymptomatic subjects from both endemic areas. This easy procedure opens up new possibilities for field studies in resource-limited settings, which could help in Leishmania control. PMID- 29222522 TI - A new method to evaluate floodwater for control/use in high-sediment rivers of Northwest China. AB - Evaluating the quantity of flood season floodwater that is difficult to control or use in rivers with high sediment concentration is an important part of water resource evaluation and floodwater resource utilisation. This study proposes a method coupling water quantity and quality to evaluate such floodwater. The method divides floodwater into floodwater that is difficult to control ('difficult-controllable') and floodwater that is controllable but difficult to use ('controllable but difficult-use'). A case study of the Bajiazui Reservoir in the Jing River in China's Loess Plateau is presented. The average annual quantity of difficult-controllable floodwater is 10.4 million m3. The annual mean quantity of the difficult-controllable/-use floodwater is 38.1 million m3. The majority of that amount (78.21%) comprised controllable but difficult-use floodwater. An analysis of 64 combinations of factors influencing the quantity of the difficult controllable/-use floodwater shows that the sediment concentration of run-off is the primary factor influencing the difficult-controllable/-use floodwater. The reservoir's maximum flood release capacity and floodwater rejection coefficient are the primary factors affecting the difficult-controllable and controllable but difficult-use floodwater, respectively. The new evaluation method is superior to traditional methods and is suitable for evaluating difficult-controllable/-use floodwater in high-sediment rivers. PMID- 29222523 TI - Optimization of cotton variety registration criteria aided with a genotype-by trait biplot analysis. AB - China is one of the largest cotton producing countries in the world thanks to high yields, on which a variety registration system has mainly focused, so that a lack of quality is nowadays acknowledged as a weak point of the cotton industry in that country. The objective of this study was to check the hypothesis that bias in cultivar selection in favor of yield has been maintained through the application of an imperfect selection index (SI), but that a better outcome is possible. Our demonstration is based on an analysis of the data from ten years of cotton variety trials using genotype-by-trait biplots, implemented both for the cultivar selection index (SI) currently applied in China and for an adjusted selection index (ASI) that more effectively took into account the antagonism between yield and quality traits. The main findings were: 1) significant negative associations between yield and fiber quality hindered their simultaneous improvement; 2) registered genotypes were mainly determined by the SI which was primarily yield-oriented; 3) no progress in fiber quality was recorded unlike yield; 4) balanced progress in yield and quality is possible through an adjusted selection index (ASI) guided by genotype-by-trait biplot analysis. PMID- 29222524 TI - Andean mountain building and magmatic arc migration driven by subduction-induced whole mantle flow. AB - Subduction along the western margin of South America has been active since the Jurassic, but Andean orogeny started in the middle Cretaceous and was preceded by backarc extension in the Jurassic-Early Cretaceous. The timing and sequence of these events has remained unexplained. Here I present a four-dimensional buoyancy driven whole-mantle subduction model implying that the ~200 Myr geological evolution can be attributed to sinking of a wide slab into a layered mantle, where upper-mantle wide-slab subduction causes backarc extension, while whole mantle (upper+lower) wide-slab subduction drives Andean orogeny. The model reproduces the maximum shortening and crustal thickness observed in the Central Andes and their progressive northward and southward decrease. The subduction evolution coincides with a 29 degrees decrease in slab dip angle, explaining ~200 km of Jurassic-present eastward migration of the Central Andean magmatic arc. Such arc migration negates proposed long-term subduction erosion and continental destruction, but is consistent with long-term crustal growth. PMID- 29222526 TI - Numerical value biases sound localization. AB - Speech recognition starts with representations of basic acoustic perceptual features and ends by categorizing the sound based on long-term memory for word meaning. However, little is known about whether the reverse pattern of lexical influences on basic perception can occur. We tested for a lexical influence on auditory spatial perception by having subjects make spatial judgments of number stimuli. Four experiments used pointing or left/right 2-alternative forced choice tasks to examine perceptual judgments of sound location as a function of digit magnitude (1-9). The main finding was that for stimuli presented near the median plane there was a linear left-to-right bias for localizing smaller-to-larger numbers. At lateral locations there was a central-eccentric location bias in the pointing task, and either a bias restricted to the smaller numbers (left side) or no significant number bias (right side). Prior number location also biased subsequent number judgments towards the opposite side. Findings support a lexical influence on auditory spatial perception, with a linear mapping near midline and more complex relations at lateral locations. Results may reflect coding of dedicated spatial channels, with two representing lateral positions in each hemispace, and the midline area represented by either their overlap or a separate third channel. PMID- 29222525 TI - Conserved Gene Microsynteny Unveils Functional Interaction Between Protein Disulfide Isomerase and Rho Guanine-Dissociation Inhibitor Families. AB - Protein disulfide isomerases (PDIs) support endoplasmic reticulum redox protein folding and cell-surface thiol-redox control of thrombosis and vascular remodeling. The family prototype PDIA1 regulates NADPH oxidase signaling and cytoskeleton organization, however the related underlying mechanisms are unclear. Here we show that genes encoding human PDIA1 and its two paralogs PDIA8 and PDIA2 are each flanked by genes encoding Rho guanine-dissociation inhibitors (GDI), known regulators of RhoGTPases/cytoskeleton. Evolutionary histories of these three microsyntenic regions reveal their emergence by two successive duplication events of a primordial gene pair in the last common vertebrate ancestor. The arrangement, however, is substantially older, detectable in echinoderms, nematodes, and cnidarians. Thus, PDI/RhoGDI pairing in the same transcription orientation emerged early in animal evolution and has been largely maintained. PDI/RhoGDI pairs are embedded into conserved genomic regions displaying common cis-regulatory elements. Analysis of gene expression datasets supports evidence for PDI/RhoGDI coexpression in developmental/inflammatory contexts. PDIA1/RhoGDIalpha were co-induced in endothelial cells upon CRISP-R-promoted transcription activation of each pair component, and also in mouse arterial intima during flow-induced remodeling. We provide evidence for physical interaction between both proteins. These data support strong functional links between PDI and RhoGDI families, which likely maintained PDI/RhoGDI microsynteny along > 800-million years of evolution. PMID- 29222527 TI - The chemokines CXCL12 and CXCL14 differentially regulate connective tissue markers during limb development. AB - Connective tissues (CT) support and connect organs together. Understanding the formation of CT is important, as CT deregulation leads to fibrosis. The identification of CT specific markers has contributed to a better understanding of CT function during development. In developing limbs, Osr1 transcription factor is involved in the differentiation of irregular CT while the transcription factor Scx labels tendon. In this study, we show that the CXCL12 and CXCL14 chemokines display distinct expression pattern in limb CT during chick development. CXCL12 positively regulates the expression of OSR1 and COL3A1, a collagen subtype of irregular CT, while CXCL14 activates the expression of the tendon marker SCX. We provide evidence that the CXCL12 effect on irregular CT involves CXCR4 receptor and vessels. In addition, the expression of CXCL12, CXCL14 and OSR genes is suppressed by the anti-fibrotic BMP signal. Finally, mechanical forces, known to be involved in adult fibrosis, control the expression of chemokines, CT associated transcription factors and collagens during limb development. Such unexpected roles of CXCL12 and CXCL14 chemokines during CT differentiation can contribute to a better understanding of the fibrosis mechanisms in adult pathological conditions. PMID- 29222528 TI - Structure and Dynamics of Cas9 HNH Domain Catalytic State. AB - The bacterial CRISPR-Cas9 immune system has been harnessed as a powerful and versatile genome-editing tool and holds immense promise for future therapeutic applications. Despite recent advances in understanding Cas9 structures and its functional mechanism, little is known about the catalytic state of the Cas9 HNH nuclease domain, and identifying how the divalent metal ions affect the HNH domain conformational transition remains elusive. A deeper understanding of Cas9 activation and its cleavage mechanism can enable further optimization of Cas9 based genome-editing specificity and efficiency. Using two distinct molecular dynamics simulation techniques, we have obtained a cross-validated catalytically active state of Cas9 HNH domain primed for cutting the target DNA strand. Moreover, herein we demonstrate the essential roles of the catalytic Mg2+ for the active state formation and stability. Importantly, we suggest that the derived catalytic conformation of the HNH domain can be exploited for rational engineering of Cas9 variants with enhanced specificity. PMID- 29222530 TI - Seizure Rates in Enzalutamide-Treated Men With Metastatic Castration-Resistant Prostate Cancer and Risk of Seizure: The UPWARD Study. AB - Importance: The androgen receptor inhibitor enzalutamide prolongs survival in men with metastatic castration-resistant prostate cancer (mCRPC). In controlled clinical studies, 0.5% (10 of 2051) of patients experienced seizure, but patients with a history of or risk factors for seizure were excluded. Men with mCRPC and seizure risk factors have an estimated seizure rate of 2.8 per 100 patient-years without enzalutamide exposure. Objective: To assess seizure incidence in patients with seizure risk factors who were receiving enzalutamide for mCRPC. Design, Setting, and Participants: The UPWARD study (A Study to Evaluate the Potential Increased Risk of Seizures Among Metastatic Castration-Resistant Prostate Cancer Patients Treated With Enzalutamide) is an international, multicenter (73 sites in 20 countries), single-arm, open-label safety study in institutional practice. Data were collected from September 25, 2013, to February 1, 2016. Patients had at least 1 risk factor for seizure at baseline, including medications that lower seizure threshold, history of stroke, or history of seizure. Exclusion criteria included seizure (assessed by neurologic examination and history) requiring antiseizure medication within the past 12 months. Intervention: Treatment with oral enzalutamide, 160 mg/d. Main Outcomes and Measures: The primary end point was the proportion of evaluable patients with 1 or more independently confirmed seizures during the 4-month study period; evaluable patients were defined as those who had 3 months or more of treatment or 1 or more confirmed seizures during this treatment period. Results: Of 423 patients with mCRPC receiving enzalutamide, 366 were evaluated. At baseline, risk factors for seizure included medications that lowered seizure threshold (242 of 423 patients [57.2%]), history of brain injury (112 [26.5%]), and history of cerebrovascular accident or transient ischemic attack (94 [22.2%]). Four of the 366 evaluable patients (1.1%) had at least 1 confirmed seizure within 4 months of enzalutamide initiation, and 3 (0.8%) additional patients experienced a seizure within 4 months following the 4-month study period. The incidence of confirmed seizure was 2.6 per 100 patient years (7 seizures). Of the 423 patients receiving enzalutamide, 357 (84.4%) experienced at least 1 treatment-emergent adverse event (an adverse event temporally related to the study treatment); 141 (33.3%) had at least 1 serious treatment-emergent adverse event, and 29 (6.9%) had at least 1 drug-related serious adverse event. Thirty-eight deaths (9.0%) were reported during treatment or within 30 days of drug discontinuation; 4 were considered possibly drug related. Conclusions and Relevance: Incidence of seizure is similar in patients with mCRPC and similar seizure risk factors with or without enzalutamide exposure. The risk profile presented, along with the previously established efficacy of enzalutamide, suggests that enzalutamide can benefit patients with a history of seizures or other predisposing factors, but each patient should be closely monitored for the duration of treatment. PMID- 29222531 TI - Effects of Aging on Interference During Pronoun Resolution. AB - Purpose: The purpose of this study is to investigate the effects of healthy aging on the ability to suppress grammatically illicit antecedents during pronoun resolution. Method: In 2 reading-based acceptability-judgment experiments, younger and older speakers of German read sentences containing an object pronoun and 2 potential antecedent noun phrases, only 1 of which was a grammatically licit antecedent. Using a gender-mismatch paradigm, we compared to what extent younger and older speakers were sensitive to feature (mis)matches between the pronoun and either of the 2 antecedents. All participants were fluent readers of German and had finished at least secondary education. Results: Experiment 1 used a self-paced reading paradigm. Older speakers showed greater sensitivity than younger ones to mismatching licit antecedents, but no group showed any evidence of interference from an intervening competitor antecedent. In Experiment 2, we increased the processing demand by using paced word-by-word stimulus presentation and longer sentences. Here, older participants showed reduced sensitivity, in comparison with younger people, to mismatching licit antecedents. Unlike our younger participants, they showed signs of distraction by the presence of a linearly closer but grammatically inappropriate antecedent when no appropriate antecedent was available. Conclusion: Together, our results show that older (but not younger) speakers' ability to compute intrasentential referential dependencies is vulnerable to increased task demands. We briefly discuss a potential role for executive functions, such as interference control. PMID- 29222529 TI - Prediction of cassava protein interactome based on interolog method. AB - Cassava is a starchy root crop whose role in food security becomes more significant nowadays. Together with the industrial uses for versatile purposes, demand for cassava starch is continuously growing. However, in-depth study to uncover the mystery of cellular regulation, especially the interaction between proteins, is lacking. To reduce the knowledge gap in protein-protein interaction (PPI), genome-scale PPI network of cassava was constructed using interolog-based method (MePPI-In, available at http://bml.sbi.kmutt.ac.th/ppi ). The network was constructed from the information of seven template plants. The MePPI-In included 90,173 interactions from 7,209 proteins. At least, 39 percent of the total predictions were found with supports from gene/protein expression data, while further co-expression analysis yielded 16 highly promising PPIs. In addition, domain-domain interaction information was employed to increase reliability of the network and guide the search for more groups of promising PPIs. Moreover, the topology and functional content of MePPI-In was similar to the networks of Arabidopsis and rice. The potential contribution of MePPI-In for various applications, such as protein-complex formation and prediction of protein function, was discussed and exemplified. The insights provided by our MePPI-In would hopefully enable us to pursue precise trait improvement in cassava. PMID- 29222532 TI - Acute Solar Retinopathy Imaged With Adaptive Optics, Optical Coherence Tomography Angiography, and En Face Optical Coherence Tomography. AB - Importance: Solar retinopathy is a rare form of retinal injury that occurs after direct sungazing. Objective: To enhance understanding of the structural changes that occur in solar retinopathy by obtaining high-resolution in vivo en face images. Design, Setting, and Participant: Case report of a young adult woman who presented to the New York Eye and Ear Infirmary with symptoms of acute solar retinopathy after viewing the solar eclipse on August 21, 2017. Main Outcomes and Measures: Results of comprehensive ophthalmic examination and images obtained by fundus photography, microperimetry, spectral-domain optical coherence tomography (OCT), adaptive optics scanning light ophthalmoscopy, OCT angiography, and en face OCT. Results: The patient was examined after viewing the solar eclipse. Visual acuity was 20/20 OD and 20/25 OS. The patient was left-eye dominant. Spectral-domain OCT images were consistent with mild and severe acute solar retinopathy in the right and left eye, respectively. Microperimetry was normal in the right eye but showed paracentral decreased retinal sensitivity in the left eye with a central absolute scotoma. Adaptive optics images of the right eye showed a small region of nonwaveguiding photoreceptors, while images of the left eye showed a large area of abnormal and nonwaveguiding photoreceptors. Optical coherence tomography angiography images were normal in both eyes. En face OCT images of the right eye showed a small circular hyperreflective area, with central hyporeflectivity in the outer retina of the right eye. The left eye showed a hyperreflective lesion that intensified in area from inner to middle retina and became mostly hyporeflective in the outer retina. The shape of the lesion on adaptive optics and en face OCT images of the left eye corresponded to the shape of the scotoma drawn by the patient on Amsler grid. Conclusions and Relevance: Acute solar retinopathy can present with foveal cone photoreceptor mosaic disturbances on adaptive optics scanning light ophthalmoscopy imaging. Corresponding reflectivity changes can be seen on en face OCT, especially in the middle and outer retina. Young adults may be especially vulnerable and need to be better informed of the risks of viewing the sun with inadequate protective eyewear. PMID- 29222534 TI - Society Awards 2017. PMID- 29222535 TI - A Peculiar Adenocarcinoma. PMID- 29222536 TI - 2017 Summer Biomechanics, Bioengineering, and Biotransport Conference Student Paper Competition. PMID- 29222533 TI - Elastic Fibers and Large Artery Mechanics in Animal Models of Development and Disease. AB - Development of a closed circulatory system requires that large arteries adapt to the mechanical demands of high, pulsatile pressure. Elastin and collagen uniquely address these design criteria in the low and high stress regimes, resulting in a nonlinear mechanical response. Elastin is the core component of elastic fibers, which provide the artery wall with energy storage and recoil. The integrity of the elastic fiber network is affected by component insufficiency or disorganization, leading to an array of vascular pathologies and compromised mechanical behavior. In this review, we discuss how elastic fibers are formed and how they adapt in development and disease. We discuss elastic fiber contributions to arterial mechanical behavior and remodeling. We primarily present data from mouse models with elastic fiber deficiencies, but suggest that alternate small animal models may have unique experimental advantages and the potential to provide new insights. Advanced ultrastructural and biomechanical data are constantly being used to update computational models of arterial mechanics. We discuss the progression from early phenomenological models to microstructurally motivated strain energy functions for both collagen and elastic fiber networks. Although many current models individually account for arterial adaptation, complex geometries, and fluid-solid interactions (FSIs), future models will need to include an even greater number of factors and interactions in the complex system. Among these factors, we identify the need to revisit the role of time dependence and axial growth and remodeling in large artery mechanics, especially in cardiovascular diseases that affect the mechanical integrity of the elastic fibers. PMID- 29222537 TI - The Effects of Palate Features and Glossectomy Surgery on /s/ Production. AB - Purpose: The aims of this article were to determine the effects of hard palate morphology and glossectomy surgery on tongue position and shape during /s/ for patients with small tumors. The first expectation was that laminal /s/ would be more prevalent in patients, than apical, due to reduced tongue tip control after surgery. The second was that patients would hold the tongue more anteriorly than controls to compensate for reduced tongue mass. Method: Three-dimensional tongue volumes were calculated from magnetic resonance imaging for the whole tongue and the portion anterior to the first molar during the /s/ in /esuk/ for 21 controls and 14 patients. These volumes were used to calculate tongue anteriority and cross-sectional shape. Dental casts were used to measure palate perimeter, height, and width of the hard palate. Results: Palate height correlated with tongue height in controls (p < .05), but not patients. In patients, tongue anteriority correlated negatively with canine width and cross-sectional tongue shape (p < .05). Controls with a high palate favored laminal /s/. Patients preferred laminal /s/ regardless of palate height (p < .01). Conclusions: For controls, hard palate height affected tongue height; a higher palate yielded a higher tongue. For patients, hard palate width affected tongue width; a narrower palate yielded a more anterior tongue. Tongue shape was unaffected by any palate features. Preference for /s/ showed an interaction effect between subject and palate height. Controls with high palates preferred a laminal /s/. All patients preferred a laminal /s/; glossectomy surgery may reduce tongue tip control. PMID- 29222538 TI - Collinearity and Sample Coverage Issues in the Objective Measurement of Vocal Quality: The Case of Roughness and Breathiness. AB - Purpose: The aim of the study was to address the reported inconsistencies in the relationship between objective acoustic measures and perceptual ratings of vocal quality. Method: This tutorial moves away from the more widely examined problems related to obtaining the perceptual ratings and the acoustic measures and centers in less scrutinized issues regarding the procedure to establish the correspondence. Expressions for the most common measure of association between perceptual and acoustic measures (Pearson's r) are derived using a multiple linear regression model. The particular case where the multiple linear regression involves only roughness and breathiness is discussed to illustrate the issues. Results: Most problems reported regarding inconsistent findings in the relationship between given acoustic measures and particular perceptual ratings could be linked to sample properties not directly related to the actual relationship. The influential sample properties are the collinearity between the regressors in the multiple linear regression and their relative variances. Recommendations on how to rule out this possible cause of inconsistency are given, varying in scope from data collection, reporting, manipulation, and results interpretation. Conclusions: The problems described can be extended to more general cases than the exemplified roughness and breathiness sample's coverage. Ruling out this possible cause of inconsistency would increase the validity of the results reported. PMID- 29222539 TI - Sensory Changes and the Hearing Loss-Cognition Link: The Cognitive Ear. PMID- 29222540 TI - Validation Study of the American Joint Committee on Cancer Eighth Edition Prognostic Stage Compared With the Anatomic Stage in Breast Cancer. AB - Importance: The American Joint Committee on Cancer (AJCC) eighth edition staging manual introduced a new prognostic stage for breast cancer incorporating biologic factors in addition to traditional anatomic factors. Objective: To perform a validation study of the AJCC eighth edition prognostic stage in a single institution cohort and a large population database. Design, Setting, and Participants: Patients with breast cancer treated with surgery as an initial intervention were identified in a prospective institutional database from The University of Texas MD Anderson Cancer Center and the California Cancer Registry. Vital status data were complete through December 31, 2016, in The University of Texas MD Anderson cohort and through December 31, 2014, in the California Cancer Registry cohort. Patients receiving neoadjuvant systemic therapy, those with inflammatory or rare breast cancers, and those with unknown clinicopathologic factors were excluded. Factors evaluated included T, N, and M categories and tumor grade, as well as estrogen receptor, progesterone receptor, and HER2 status. Main Outcomes and Measures: Disease-specific survival was calculated by the Kaplan-Meier method. The Harrell concordance index (C index) was used to quantify models' predictive performance, and the Akaike information criterion (AIC) was used to compare model fits. Results: A total of 3327 patients with stage I to IIIC breast cancer treated between 2007 and 2013 at The University of Texas MD Anderson Cancer Center (median follow-up of 5 years) with complete clinicopathologic data were identified. Compared with the AJCC anatomic stage, the prognostic stage upstaged 29.5% of patients and downstaged 28.1%. The prognostic stage (C index, 0.8357 and AIC, 816.8) provided more accurate stratification with respect to disease-specific survival than the anatomic stage (C index, 0.737 and AIC, 1039.8) (P < .001 for the C index). A total of 54 727 patients with stage I to IV breast cancer treated between 2005 and 2009 were identified in the California Cancer Registry (median follow-up of 7 years). The prognostic stage upstaged 31.0% of patients and downstaged 20.6%. The prognostic stage (C index, 0.8426 and AIC, 80 661.68) performed better than the anatomic stage (C index, 0.8097 and AIC, 81 577.89) (P < .001 for the C index). Conclusions and Relevance: The prognostic stage provided more accurate prognostic information than the anatomic stage alone in both a single-institution cohort and a large population database, thereby supporting its use in breast cancer staging. PMID- 29222541 TI - Estimating Cost-effectiveness of a Multimodal Ovarian Cancer Screening Program in the United States: Secondary Analysis of the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS). AB - Importance: The United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) is the largest randomized clinical trial to evaluate screening's impact on ovarian cancer mortality, assigning women to multimodal screening (MMS) with serum cancer antigen 125 (CA-125) interpreted using a risk algorithm. If the MMS screening method is eventually shown to reduce mortality and be cost-effective, then it may be accepted by the medical community as a feasible screening tool. Objective: To estimate the cost-effectiveness of an MMS screening program in the United States. Design, Setting, and Participants: A Markov simulation model was constructed using data from UKCTOCS to compare MMS with no screening in the United States. Screening would begin at the age of 50 years for women in the general population. Published estimates of the long-term effect of MMS screening on ovarian cancer mortality and the trial's published hazard ratios were used to simulate mortality estimates up to 40 years from start of screening. Base-case costs included CA-125, ultrasound, and false-positive work-up results, in addition to a risk algorithm cost estimate of $100. The utility and costs of ovarian cancer treatment were incorporated into the model. Interventions: Screening strategies varied by costs of the algorithm and treatment for advanced ovarian cancer, rates of screening compliance, ovarian cancer incidence, and extrapolation of ovarian cancer mortality. Main Outcomes and Measures: Costs, quality-adjusted life-years (QALYs), and mortality reduction of ovarian cancer screening. Results: Multimodal screening is both more expensive and more effective in reducing ovarian cancer mortality over a lifetime than no screening. After accounting for uncertainty in the underlying parameters, screening women starting at age 50 years with MMS is cost-effective 70% of the time, when decision makers are willing to pay $150 000 per QALY. Screening reduced mortality by 15%, with an incremental cost-effectiveness ratio (ICER) ranging from $106 187 (95% CI, $97 496-$127 793) to $155 256 (95% CI, $150 369-$198 567). Conclusions and Relevance: Ovarian cancer screening is potentially cost-effective in the United States depending on final significance of mortality reduction and cost of the CA-125 risk algorithm. These results are limited by uncertainty around the effect of screening on ovarian cancer mortality beyond the 11 years of UKCTOCS. PMID- 29222542 TI - Engaging With Patients on Health Policy Changes: An Urgent Issue. PMID- 29222543 TI - Disclosures in Nutrition Research: Why It Is Different. PMID- 29222544 TI - Association of Age-Related Hearing Loss With Cognitive Function, Cognitive Impairment, and Dementia: A Systematic Review and Meta-analysis. AB - Importance: Epidemiologic research on the possible link between age-related hearing loss (ARHL) and cognitive decline and dementia has produced inconsistent results. Clarifying this association is of interest because ARHL may be a risk factor for outcomes of clinical dementia. Objectives: To examine and estimate the association between ARHL and cognitive function, cognitive impairment, and dementia through a systematic review and meta-analysis. Data Sources and Study Selection: A search of PubMed, the Cochrane Library, EMBASE, and SCOPUS from inception to April 15, 2016, with cross-referencing of retrieved studies and personal files for potentially eligible studies was performed. Keywords included hearing, cognition, dementia, and Alzheimer disease. Cohort and cross-sectional studies published in peer-reviewed literature and using objective outcome measures were included. Case-control studies were excluded. Data Extraction and Synthesis: One reviewer extracted and another verified data. Both reviewers independently assessed study quality. Estimates were pooled using random-effects meta-analysis. Subgroup and meta-regression analyses of study-level characteristics were performed. Main Outcomes and Measures: Hearing loss measured by pure-tone audiometry only and objective assessment measures of cognitive function, cognitive impairment, and dementia. Cognitive function outcomes were converted to correlation coefficients (r value); cognitive impairment and dementia outcomes, to odds ratios (ORs). Results: Forty studies from 12 countries met our inclusion criteria. Of these, 36 unique studies with an estimated 20 264 unique participants were included in the meta-analyses. Based on the pooled maximally adjusted effect sizes using random-effects models, a small but significant association was found for ARHL within all domains of cognitive function. Among cross-sectional studies, a significant association was found for cognitive impairment (OR, 2.00; 95% CI, 1.39-2.89) and dementia (OR, 2.42; 95% CI, 1.24-4.72). Among prospective cohort studies, a significant association was found for cognitive impairment (OR, 1.22; 95% CI, 1.09-1.36) and dementia (OR, 1.28; 95% CI, 1.02-1.59) but not for Alzheimer disease (OR, 1.69; 95% CI, 0.72 4.00). In further analyses, study, demographic, audiometric, and analyses factors were associated with cognitive function. Vascular dysfunction and impaired verbal communication may contribute to the association between hearing loss and cognitive decline. Conclusions and Relevance: Age-related hearing loss is a possible biomarker and modifiable risk factor for cognitive decline, cognitive impairment, and dementia. Additional research and randomized clinical trials are warranted to examine implications of treatment for cognition and to explore possible causal mechanisms underlying this relationship. PMID- 29222545 TI - Coefficient of Friction Between Carboxymethylated Hyaluronic Acid-Based Polymer Films and the Ocular Surface. AB - Purpose: Hyaluronic acid-based polymer films are emerging as drug-delivery vehicles for local and continuous drug administration to the eye. The highly lubricating hyaluronic acid increases comfort, but displaces films from the eye, reducing drug exposure and efficacy. Previous studies have shown that careful control of the surface interaction of the film with the eye is critical for improved retention. Methods: In this study, the frictional interaction of a carboxymethylated, hyaluronic acid-based polymer (CMHA-S) with and without methylcellulose was quantified against ovine and human sclera at three axial loads (0.3, 0.5, and 0.7 N) and four sliding velocities (0.3, 1.0, 10, and 30 mm/s). Results: Static coefficients of friction significantly increased with rate (P < 0.003), ranging between 0.18 +/- 0.08 and 0.46 +/- 0.13 for 0.3 to 30 mm/s, respectively. Friction became more rate-dependent when methylcellulose was added to CMHA-S. Kinetic coefficient of friction was not affected by rate, and averaged 0.15 +/- 0.1. Methylcellulose increased CMHA-S static and kinetic friction by 60% and 80%, respectively, but was also prone to wear during testing. Conclusions: These data suggest that methylcellulose can be used to create a friction differential on the film, but a potentially increased degradation rate with the methylcellulose must be considered in the design. PMID- 29222546 TI - Intraretinal Correlates of Reticular Pseudodrusen Revealed by Autofluorescence and En Face OCT. PMID- 29222547 TI - Author Response: Intraretinal Correlates of Reticular Pseudodrusen Revealed by Autofluorescence and En Face OCT. PMID- 29222548 TI - The Evolution of the Plateau, an Optical Coherence Tomography Signature Seen in Geographic Atrophy. PMID- 29222549 TI - Author Response: The Evolution of the Plateau, an Optical Coherence Tomography Signature Seen in Geographic Atrophy. PMID- 29222550 TI - Tissue Transglutaminase Elevates Intraocular Pressure in Mice. AB - Purpose: Tissue transglutaminase (TGM2) is elevated in glaucomatous trabecular meshwork (TM) tissues. We investigated whether increased expression of TGM2 increases extracellular matrix crosslinking in the TM, thereby increasing aqueous humor outflow resistance and elevating intraocular pressure (IOP) in mouse eyes. Methods: GTM3, primary human GTM 125-05, and cultured mouse TM cells were transduced with adenovirus serotype 5 expressing human transglutaminase 2 (Ad5.TGM2; multiplicity of infection [MOI]-75) and fixed for immunocytochemistry. To test the effect on IOP in living eyes, Ad5.TGM2 was injected intravitreally into one eye of BALB/cJ (n = 18) or C57BL/6J mice (n = 9). The uninjected contralateral eye and Ad5.GFP served as controls. Daytime conscious IOPs were measured twice per week. Aqueous outflow facility (C) was measured by constant flow infusion on completion of IOP measurements. Immunohistochemistry was performed on BALB/cJ mouse eyes to study TGM2 expression and activity. Results: The treatment of cultured TM cells with Ad5.TGM2 increased immunostaining of N epsilon(gamma-glutamyl) lysine crosslinks. Ad5.TGM2 injection significantly increased IOP in BALB/cJ (15.86 mm Hg [injected] vs. 10.70 mm Hg [control]) and in C57BL/6J mice (17.09 mm Hg [injected] vs. 12.01 mm Hg [control]). Mean aqueous outflow facility in the injected eyes of BALB/cJ (0.013 MUL/min/mm Hg) and C57BL/6J mice (0.012 MUL/min/mm Hg) was significantly lower than in the uninjected control eyes (BALB/cJ, 0.021 MUL/min/mm Hg; C57BL/6J, 0.019 MUL/min/mm Hg). The Ad5.TGM2 transduction of mouse eyes increased TGM2 expression in the TM region and increased N-epsilon(gamma-glutamyl) lysine crosslinks. Conclusions: The increased expression of TGM2 in the TM increases N-epsilon(gamma-glutamyl) lysine crosslinking in the TM, increases aqueous outflow resistance, and elevates IOP in mice. TGM2 may be at least partially responsible for ocular hypertension in POAG. PMID- 29222552 TI - Animal Models of Retinal Vein Occlusion. AB - Purpose: To provide a comprehensive and current review on the available experimental animal models of retinal vein occlusion (RVO) and to identify their strengths and limitations with the purpose of helping researchers to plan preclinical studies on RVO. Methods: A systematic review of the literature on experimental animal models of RVO was undertaken. Medline, SCOPUS, and Web of Science databases were searched. Studies published between January 1, 1965, and March 31, 2017, and that met the inclusion criteria were reviewed. The data extracted included animal species used, methods of inducing RVO, and the clinical and histopathologic features of the models, especially in relation to strengths, limitations, and faithfulness to clinical sequelae. Results: A total of 128 articles fulfilling the inclusion criteria were included. Several species were used to model human branch and central RVO (BRVO; CRVO) with nonhuman primates being the most common, followed by rodents and pigs. BRVO and CRVO were most commonly induced by laser photocoagulation and all models showed early features of clinical disease, including retinal hemorrhages and retinal edema. These features made many of the models adequate for studying the acute phase of BRVO and CRVO, although macular edema, retinal ischemia, and neovascular complications were observed in only a few experimental animal models (laser-induced model in rodents, pigs, and nonhuman primates, diathermy-induced model in pigs, and following intravitreal injection of PD0325901 in rabbits for BRVO; and in the laser-induced model in rodents, rabbits, and nonhuman primates, diathermy-induced model in nonhuman primates, following permanent ligation of the central retinal vein in nonhuman primates, and with intravitreal injection of thrombin in rabbits for CRVO). Conclusions: Experimental animal models of RVO are available to study the pathogenesis of this disease and to evaluate diagnostic/prognostic biomarkers and to develop new therapeutics. Data available suggest laser-induced RVO in pigs and rodents to be overall the best models of BRVO and the laser-induced RVO rodents the best model for CRVO. PMID- 29222554 TI - My Unfortunate Introduction Into the Financial Toxicity of Cancer Care in America March Forth. PMID- 29222551 TI - Neutrophil and T-Cell Homeostasis in the Closed Eye. AB - Purpose: This study sought to examine the changes and phenotype of the tear neutrophil and T-cell populations between early eyelid closure and after a full night of sleep. Methods: Fourteen healthy participants were recruited and trained to wash the ocular surface with PBS for at-home self-collection of ocular surface and tear leukocytes following up to 1 hour of sleep and a full night of sleep (average 7 hours), on separate days. Cells were isolated, counted, and incubated with fluorescently labeled antibodies to identify neutrophils, monocytes, and T cells. For neutrophil analysis, samples were stimulated with lipopolysaccharide (LPS) or calcium ionophore (CaI) before antibody incubation. Flow cytometry was performed. Results: Following up to 1 hour of sleep, numerous leukocytes were collected (2.6 * 105 +/- 3.0 * 105 cells), although significantly (P < 0.005) more accumulated with 7 hours of sleep (9.9 * 105 +/- 1.2* 106 cells). Neutrophils (65%), T cells (3%), and monocytes (1%) were identified as part of the closed eye leukocyte infiltration following 7 hours of sleep. Th17 cells represented 22% of the total CD4+ population at the 7-hour time point. Neutrophil phenotype changed with increasing sleep, with a downregulation of membrane receptors CD16, CD11b, CD14, and CD15, indicating a loss in the phagocytic capability of neutrophils. Conclusions: Neutrophils begin accumulating in the closed eye conjunctival sac much earlier than previously demonstrated. The closed eye tears are also populated with T cells, including a subset of Th17 cells. The closed eye environment is more inflammatory than previously thought and is relevant to understanding ocular homeostasis. PMID- 29222553 TI - Ghrelin Attenuates Retinal Neuronal Autophagy and Apoptosis in an Experimental Rat Glaucoma Model. AB - Purpose: Ghrelin, a natural ligand for the growth hormone secretagogue receptor type 1a (GHSR-1a), may protect retinal neurons against glaucomatous injury. We therefore characterized the underlying mechanism of the ghrelin/GHSR-1a-mediated neuroprotection with a rat chronic intraocular hypertension (COH) model. Methods: The rat COH model was produced by blocking episcleral veins. A combination of immunohistochemistry, Western blot, TUNEL assay, and retrograde labeling of retinal ganglion cells (RGCs) was used. Results: Elevation of intraocular pressure induced a significant increase in ghrelin and GHSR-1a expression in retinal cells, including RGCs and Muller cells. Western blot confirmed that the protein levels of ghrelin exhibited a transient upregulation at week 2 after surgery (G2w), while the GHSR-1a protein levels were maintained at high levels from G2w to G4w. In COH retinas, the ratio of LC3-II/LC-I and beclin1, two autophagy-related proteins, were increased from G1w to G4w, and the cleavage product of caspase3, an apoptotic executioner, was detected from G2w to G4w. Intraperitoneal injection of ghrelin significantly increased the number of surviving RGCs; inhibited the changes of LC3-II/LC-I, beclin1, and the cleavage products of caspase3; and reduced the number of TUNEL-positive cells in COH retinas. Ghrelin treatment also reversed the decreased levels of p-Akt and p mTOR, upregulated GHSR-1a protein levels, and attenuated glial fibrillary acidic protein levels in COH retinas. Conclusions: All these results suggest that ghrelin may provide neuroprotective effect in COH retinas through activating ghrelin/GHSR-1a system, which was mediated by inhibiting retinal autophagy, ganglion cell apoptosis, and Muller cell gliosis. PMID- 29222556 TI - 2017 Richard Skalak Award. PMID- 29222555 TI - Audiological Assessment of Word Recognition Skills in Persons With Aphasia. AB - Purpose: The purpose of this study was to evaluate the ability of persons with aphasia, with and without hearing loss, to complete a commonly used open-set word recognition test that requires a verbal response. Furthermore, phonotactic probabilities and neighborhood densities of word recognition errors were assessed to explore potential underlying linguistic complexities that might differentially influence performance among groups. Method: Four groups of adult participants were tested: participants with no brain injury with normal hearing, participants with no brain injury with hearing loss, participants with brain injury with aphasia and normal hearing, and participants with brain injury with aphasia and hearing loss. The Northwestern University Auditory Test No. 6 (NU-6; Tillman & Carhart, 1966) was administered. Those participants who were unable to respond orally (repeating words as heard) were assessed with the Picture Identification Task (Wilson & Antablin, 1980), permitting a picture-pointing response instead. Error patterns from the NU-6 were assessed to determine whether phonotactic probability influenced performance. Results: All participants with no brain injury and 72.7% of the participants with aphasia (24 out of 33) completed the NU 6. Furthermore, all participants who were unable to complete the NU-6 were able to complete the Picture Identification Task. There were significant group differences on NU-6 performance. The 2 groups with normal hearing had significantly higher scores than the 2 groups with hearing loss, but the 2 groups with normal hearing and the 2 groups with hearing loss did not differ from one another, implying that their performance was largely determined by hearing loss rather than by brain injury or aphasia. The neighborhood density, but not phonotactic probabilities, of the participants' errors differed across groups with and without aphasia. Conclusions: Because the vast majority of the participants with aphasia examined could be tested readily using an instrument such as the NU-6, clinicians should not be reticent to use this test if patients are able to repeat single words, but routine use of alternative tests is encouraged for populations of people with brain injuries. PMID- 29222557 TI - Accentuate the Negative: Grammatical Errors During Narrative Production as a Clinical Marker of Central Nervous System Abnormality in School-Aged Children With Fetal Alcohol Spectrum Disorders. AB - Purpose: The purpose of this study was to examine (a) whether increased grammatical error rates during a standardized narrative task are a more clinically useful marker of central nervous system abnormality in Fetal Alcohol Spectrum Disorders (FASD) than common measures of productivity or grammatical complexity and (b) whether combining the rate of grammatical errors with the rate of cohesive referencing errors can improve utility of a standardized narrative assessment task for FASD diagnosis. Method: The method used was retrospective analysis of narrative and clinical data from 138 children (aged 7-12 years; 69 with FASD, 69 typically developing). Narrative analysis was conducted blind to diagnosis. Measures of grammatical error, productivity and complexity, and cohesion were used independently and in combination to predict whether a story was told by a child with an FASD diagnosis. Results: Elevated grammatical error rates were more common in children with FASD, and this difference facilitated a more accurate prediction of FASD status than measures of productivity and grammatical complexity and, when combined with an accounting of cohesive referencing errors, significantly improved sensitivity to FASD over standard practice. Conclusion: Grammatical error rates during a narrative are a viable behavioral marker of the kinds of central nervous system abnormality associated with prenatal alcohol exposure, having significant potential to contribute to the FASD diagnostic process. PMID- 29222558 TI - A Policy That Encourages Wastage of Expensive Medications-The JW Modifier. PMID- 29222559 TI - The Listening and Spoken Language Data Repository: Design and Project Overview. AB - Purpose: The purpose of the Listening and Spoken Language Data Repository (LSL DR) was to address a critical need for a systemwide outcome data-monitoring program for the development of listening and spoken language skills in highly specialized educational programs for children with hearing loss highlighted in Goal 3b of the 2007 Joint Committee on Infant Hearing position statement supplement. Method: The LSL-DR is a multicenter, international data repository for recording and tracking the demographics and longitudinal outcomes achieved by children who have hearing loss who are enrolled in private, specialized programs focused on supporting listening and spoken language development. Since 2010, annual speech-language-hearing outcomes have been prospectively obtained by qualified clinicians and teachers across 48 programs in 4 countries. Results: The LSL-DR has been successfully implemented, bringing together the data collection efforts of these programs to create a large and diverse data repository of 5,748 children with hearing loss. Conclusion: Due to the size and diversity of the population, the range of assessments entered, and the demographic information collected, the LSL-DR will provide an unparalleled opportunity to examine the factors that influence the development of listening in spoken language in this population. PMID- 29222560 TI - Masseteric Nerve Transfer for Facial Nerve Paralysis: A Systematic Review and Meta-analysis. AB - Importance: A review of the role of masseteric nerve transfer is needed to guide its use in facial reanimation. Objective: To systematically review the available literature, and, when applicable, analyze the combined outcomes of masseteric nerve transfer to better define its role in reanimation and to guide further research. Data Sources: Two independent researchers conducted the review using PubMed-NCBI and Scopus literature databases for studies on masseteric nerve transfer for facial nerve paralysis. Study Selection: Studies that examined masseter nerve transfer with additional cranial nerve transposition/coaptation or muscle flap were excluded. Data Extraction and Synthesis: Literature review and data extraction followed established PRISMA guidelines. Two researchers extracted data independently. Main Outcomes and Measures: The main planned outcomes for the study were quantitative results of facial nerve movement after nerve transfer including oral commissure movement and time to nerve recovery. Results: A total of 13 articles met inclusion criteria with a total of 183 patients undergoing masseteric nerve transfer. From those studies, there were a total of 183 patients who underwent masseteric nerve transfer. There were 85 men and 98 women with a mean (SD) age of 43 (12.2) years and mean (SD) follow up examination after surgery of 22 (7.6) months. Mean (SD) duration of nerve paralysis was 14 (6) months. Most common cause of paralysis was cerebellopontine angle tumors (81%). Six studies coapted the masseteric nerve to the main facial nerve trunk, whereas 7 used distal branches (buccal or zygomatic). Four studies used interposition nerve grafts with great auricular nerve. Two measures, improvement in oral commissure excursion and length from reanimation to facial movement, were measured consistently across the studies. Pooled analysis showed time from surgery to first facial movement, described in 10 studies, to be 4.95 months (95% CI, 3.66 to 6.24). Distal branch coaptation improved time to recovery vs main branch coaptation, 3.76 vs 5.76 months (95% CI, -0.33 to 4.32), but mean difference was not significant. The use of interposition graft significantly delayed time of nerve recovery, 6.24 vs 4.06 months (95% CI, 0.20 to 4.16). When controlled for main trunk coaptation only, interposition nerve graft delayed recovery but difference was no longer statistically significant, 6.24 vs 4.75 months (95% CI, -0.94 to 3.92). Reported complications were minor and rare occurring in only 6.5% (12 of 183) of patients. Conclusions and Relevance: The masseteric nerve was found to be a good option for nerve transfer in this patient population, and showed favorable results in both time to nerve recovery and improvement in oral commissure excursion. Level of Evidence: NA. PMID- 29222562 TI - Dysphagia and Pharyngeal Obstruction in a Nonsmoker. PMID- 29222563 TI - Quantitative Analysis and Classification of the Nasal Base Using a Parametric Model. AB - Importance: The nasal base view is often overlooked in rhinoplasty analysis and, unlike lateral and frontal views, lacks detailed quantitative analysis and descriptors. While shape-category analysis of the nasal base is well established, these descriptive methods remain subjective and do not facilitate quantitative analysis. Objective: To establish a simple and quantitative classification scheme using a multiple-parameter numerical model for analyzing and describing the shape of the nasal base. Design, Setting, and Participants: Deidentified photographs of the nasal base view were analyzed without knowledge of patients' pathology or medical history. Each nose was classified into 1 of 6 categories derived from literature (equilateral, narrow, flat, cloverleaf, boxy, and round). Finite parametric modeling was performed on each nose, and the correlations between the resulting parameters and the 6 categories were analyzed. Photographs for this study were acquired from the practice of a single facial plastic surgeon (B.J.F.W.) at a tertiary care academic medical center. One hundred twenty-one consecutive patients who had nasal base view photographs taken were included in the study. Main Outcomes and Measures: All of the 121 images were classified into 1 of the 6 categories by 1 reviewer (C.H.B.). The contour of each nasal base was curve fit to a 5-parameter numerical model. The 5 parameters controlled base size, deviation from the midline, projection-to-width ratio, degree of nasal alar recurvature, and anterior-posterior positioning of nasal base bulk. A numerical value for each nasal base shape type was predicted by the parametric model. Results: In 121 patient photographs, the parametric model generated shapes that accurately matched the tracing of the actual nasal base contours with an average correlation coefficient of greater than 0.98. This finding indicates close approximation of the nasal base shape with the curve fit constructed by the PM. Parameters b (projection-to-width ratio) and e (roundedness) were shown to have significant differences among the groups (F statistic, 8.88; P < .001 and F statistic, 13.05; P < .001, respectively). These two curve-fit parameters alone could be used to classify nasal shape into 1 of the 6 clinically determined base geometries. Conclusions and Relevance: A numerical approach to classify nasal base shape was developed using a 5-parameter model and tested against subjective analysis. This model may aid in the advancement of algorithm-driven objective nasal analysis techniques, preoperative modeling, intraoperative guidance, and surgical outcome measures beyond using Likert scales. Level of Evidence: NA. PMID- 29222564 TI - Primary Blast Brain Injury Mechanisms: Current Knowledge, Limitations, and Future Directions. AB - Mild blast traumatic brain injury (bTBI) accounts for the majority of brain injury in United States service members and other military personnel worldwide. The mechanisms of primary blast brain injury continue to be disputed with little evidence to support one or a combination of theories. The main hypotheses addressed in this review are blast wave transmission through the skull orifices, direct cranial transmission, skull flexure dynamics, thoracic surge, acceleration, and cavitation. Each possible mechanism is discussed using available literature with the goal of focusing research efforts to address the limitations and challenges that exist in blast injury research. Multiple mechanisms may contribute to the pathology of bTBI and could be dependent on magnitudes and orientation to blast exposure. Further focused biomechanical investigation with cadaver, in vivo, and finite element models would advance our knowledge of bTBI mechanisms. In addition, this understanding could guide future research and contribute to the greater goal of developing relevant injury criteria and mandates to protect our soldiers on the battlefield. PMID- 29222565 TI - Biomechanics and Mechanobiology of Saphenous Vein Grafts. AB - Within several weeks of use as coronary artery bypass grafts (CABG), saphenous veins (SV) exhibit significant intimal hyperplasia (IH). IH predisposes vessels to thrombosis and atherosclerosis, the two major modes of vein graft failure. The fact that SV do not develop significant IH in their native venous environment coupled with the rapidity with which they develop IH following grafting into the arterial circulation suggests that factors associated with the isolation and preparation of SV and/or differences between the venous and arterial environments contribute to disease progression. There is strong evidence suggesting that mechanical trauma associated with traditional techniques of SV preparation can significantly damage the vessel and might potentially reduce graft patency though modern surgical techniques reduces these injuries. In contrast, it seems possible that modern surgical technique, specifically endoscopic vein harvest, might introduce other mechanical trauma that could subtly injure the vein and perhaps contribute to the reduced patency observed in veins harvested using endoscopic techniques. Aspects of the arterial mechanical environment influence remodeling of SV grafted into the arterial circulation. Increased pressure likely leads to thickening of the medial wall but its role in IH is less clear. Changes in fluid flow, including increased average wall shear stress, may reduce IH while disturbed flow likely increase IH. Nonmechanical stimuli, such as exposure to arterial levels of oxygen, may also have a significant but not widely recognized role in IH. Several potentially promising approaches to alter the mechanical environment to improve graft patency are including extravascular supports or altered graft geometries are covered. PMID- 29222566 TI - Motivation to Address Self-Reported Hearing Problems in Adults With Normal Hearing Thresholds. AB - Purpose: The purpose of this study was to compare the motivation to change in relation to hearing problems in adults with normal hearing thresholds but who report hearing problems and that of adults with a mild-to-moderate sensorineural hearing loss. Factors related to their motivation were also assessed. Method: The motivation to change in relation to self-reported hearing problems was measured using the University of Rhode Island Change Assessment (McConnaughy, Prochaska, & Velicer, 1983). The relationship between objective and subjective measures and an adult's motivation was examined. Results: The level of hearing handicap did not differ significantly between adults with normal hearing who reported problems hearing in background noise and adults who had a mild-to-moderate sensorineural hearing loss. Hearing handicap, personal distress, and minimization of hearing loss were factors significantly related to motivation. Age, degree of hearing loss, speech-in-noise scores, working memory, and extended high-frequency average thresholds were not significantly related to their motivation. Conclusions: Adults with normal hearing thresholds but self-reported hearing problems had the same level of hearing handicap and were equally motivated to take action for their hearing problems as age-matched adults with a mild-to-moderate sensorineural hearing loss. Hearing handicap, personal distress, and minimization of hearing loss were most strongly correlated with an individual's motivation to change. PMID- 29222568 TI - Model-Driven Treatment of Childhood Apraxia of Speech: Positive Effects of the Speech Motor Learning Approach. AB - Purpose: The aim of the study was to propose the speech motor learning approach (Van der Merwe, 2011) as a treatment for childhood apraxia of speech and to determine if it will effect positive change in the ability of a 33-month-old child to produce untreated nonwords and words containing treated age-appropriate consonants (Set 1 sounds), untreated age-appropriate consonants (Set 2), and untreated age-inappropriate consonants (Set 3) and also to determine the nature and number of segmental speech errors before and after treatment. Method: An A-B design with multiple target measures and follow-up was implemented to assess the effects of treatment of Set 1. Effect sizes for whole-word accuracy were determined, and two criterion lines were generated following the conservative dual criterion method. Speech errors were judged perceptually. Results: Conservative dual criterion analyses indicated no reliable treatment effect due to rising baseline scores. Effect sizes showed significant improvement in whole word accuracy of untreated nonwords and real words containing age-appropriate treated sounds and real words containing age-appropriate untreated sounds. The number of errors for all three sound sets declined. Sound distortion was the most frequent error type. Conclusions: Preliminary evidence suggests potentially positive treatment effects. However, rising baseline scores limit causal inference. Replication with more children of different ages is necessary. Supplemental Materials: https://doi.org/10.23641/asha.5596708. PMID- 29222567 TI - Identifying Children at Risk for Language Impairment or Dyslexia With Group Administered Measures. AB - Purpose: The study aims to determine whether brief, group-administered screening measures can reliably identify second-grade children at risk for language impairment (LI) or dyslexia and to examine the degree to which parents of affected children were aware of their children's difficulties. Method: Participants (N = 381) completed screening tasks and assessments of word reading, oral language, and nonverbal intelligence. Their parents completed questionnaires that inquired about reading and language development. Results: Despite considerable overlap in the children meeting criteria for LI and dyslexia, many children exhibited problems in only one domain. The combined screening tasks reliably identified children at risk for either LI or dyslexia (area under the curve = 0.842), but they were more accurate at identifying risk for dyslexia than LI. Parents of children with LI and/or dyslexia were frequently unaware of their children's difficulties. Parents of children with LI but good word reading skills were the least likely of all impairment groups to report concerns or prior receipt of speech, language, or reading services. Conclusions: Group-administered screens can identify children at risk of LI and/or dyslexia with good classification accuracy and in less time than individually administered measures. More research is needed to improve the identification of children with LI who display good word reading skills. PMID- 29222569 TI - Acute Monocular Vision Loss in a Young Adult. PMID- 29222570 TI - Narrative Language Sampling in Typical Development: Implications for Clinical Trials. AB - Purpose: This study examined cross-sectional age-related trajectories of expressive language variables (syntactic complexity, lexical diversity, unintelligibility, dysfluency, and talkativeness) derived from a narrative language sampling procedure. Method: Narrative samples were analyzed from 103 typically developing individuals, ages 4-21 years. Results: Results showed that this procedure was effective for the entire age range, with participants producing an utterance on virtually every page of the wordless picture books used to prompt the narrative. Importantly, the cross-sectional trajectories for syntactic complexity and lexical diversity showed age-related increases through the age of 18 years, although measures of other dimensions of language showed different relationships with age. Conclusions: These data inform developmental work and document the extent to which the narrative procedure can be used to characterize expressive language over a wide age range. This procedure has been proposed as an outcome measure for clinical trials and interventions involving individuals with intellectual and developmental disabilities. The present data document the developmental levels for which the procedure and metrics derived are appropriate. PMID- 29222571 TI - The Potential of Past Tense Marking in Oral Reading as a Clinical Marker of Specific Language Impairment in School-Age Children. AB - Purpose: The purpose of this study was twofold. The first aim was to explore differences in profiles of past tense marking in oral reading of school-age children with specific language impairment (SLI). The second aim was to explore the potential of past tense marking in oral reading as a clinical marker of SLI in school-age children. Method: This study examined oral readings of connected text to describe the frequency and type of reading errors on regular and irregular past tense verbs for 21 children with SLI as compared to 30 children with typical language in Grades 2 and 3. Each past tense verb token was categorized into 1 of 6 mutually exclusive response types: (a) correctly marked past tense, (b) overmarked past tense, (c) bare stem, (d) other verb inflection, (e) nonverb, or (f) no response. Performance across groups was compared. Additionally, classification statistics were calculated at several cutoffs for regular past tense accuracy and regular past tense finiteness marking. Results: For regular past tense, there was a significant group difference on accuracy. Children with SLI were less accurate at marking past tense when in oral reading than typical language peers; other response types did not differ. For irregular past tense, there were no group differences. In addition, there was a significant group difference on finiteness marking; this difference was driven by regular but not irregular verbs. A cutoff of 90% for regular past tense accuracy yielded moderate sensitivity and specificity; no cutoff for regular past tense finiteness marking yielded sensitivity above 70%. Conclusions: Regular past tense accuracy in oral reading provides promise as a clinical marker for diagnosing SLI in school-age children. PMID- 29222572 TI - Word Processing in Children With Autism Spectrum Disorders: Evidence From Event Related Potentials. AB - Purpose: This investigation was conducted to determine whether young children with autism spectrum disorders exhibited a canonical neural response to word stimuli and whether putative event-related potential (ERP) measures of word processing were correlated with a concurrent measure of receptive language. Additional exploratory analyses were used to examine whether the magnitude of the association between ERP measures of word processing and receptive language varied as a function of the number of word stimuli the participants reportedly understood. Method: Auditory ERPs were recorded in response to spoken words and nonwords presented with equal probability in 34 children aged 2-5 years with a diagnosis of autism spectrum disorder who were in the early stages of language acquisition. Average amplitudes and amplitude differences between word and nonword stimuli within 200-500 ms were examined at left temporal (T3) and parietal (P3) electrode clusters. Receptive vocabulary size and the number of experimental stimuli understood were concurrently measured using the MacArthur Bates Communicative Development Inventories. Results: Across the entire participant group, word-nonword amplitude differences were diminished. The average word-nonword amplitude difference at T3 was related to receptive vocabulary only if 5 or more word stimuli were understood. Conclusions: If ERPs are to ever have clinical utility, their construct validity must be established by investigations that confirm their associations with predictably related constructs. These results contribute to accruing evidence, suggesting that a valid measure of auditory word processing can be derived from the left temporal response to words and nonwords. In addition, this measure can be useful even for participants who do not reportedly understand all of the words presented as experimental stimuli, though it will be important for researchers to track familiarity with word stimuli in future investigations. Supplemental Material: https://doi.org/10.23641/asha.5614840. PMID- 29222573 TI - Incidence and Causes of Overdiagnosis of Optic Neuritis. AB - Importance: Diagnostic error is an important source of medical error. Overdiagnosis of optic neuritis may prompt unnecessary and costly diagnostic tests, procedures, and treatments. Objective: To assess the incidence of and characterize factors contributing to overdiagnosis of acute optic neuritis. Design, Setting, and Participants: In this retrospective clinic-based cross sectional study of new patient encounters, 122 patients referred for acute optic neuritis at a university-based Midwestern neuro-ophthalmology clinic between January 2014 and October 2016 were studied. Data were analyzed from September 2016 to July 2017. Interventions: Definite diagnosis was determined by neuro ophthalmologists. For patients with alterative diagnoses, the Diagnosis Error Evaluation and Research taxonomy tool was applied to categorize the type of diagnostic error. Main Outcomes and Measures: The primary outcome was the primary type of diagnostic error in patients erroneously diagnosed as having optic neuritis. Secondary outcomes included final diagnosis and interventions undergone prior to referral. Results: A total of 122 patients were referred with acute optic neuritis during the study period; 88 (72.1%) were female, and the mean (SD) age was 42.6 (14.0) years. Of these, 49 patients (40.2%; 95% CI, 31.4-49.4) were confirmed to have optic neuritis, and 73 (59.8%; 95% CI, 50.6-68.6) had an alternative diagnosis. The most common alternative diagnoses were headache and eye pain, functional visual loss, and other optic neuropathies, particularly nonarteritic anterior ischemic optic neuropathy. The most common diagnostic error was eliciting or interpreting critical elements of history, which occurred in 24 of 73 patients (33%) with alternative diagnoses. Other common errors included errors weighing or considering alternative diagnoses (23 patients [32%]), errors weighing or interpreting physical examination findings (15 patients [21%]), and misinterpreting diagnostic test results (11 patients [15%]). In patients with alterative diagnoses, 12 (16%) had normal magnetic resonance imaging findings preceding the referral, 12 (16%) had received a lumbar puncture, and 8 (11%) had received unnecessary treatment with intravenous steroids. Conclusions and Relevance: These data suggest that nearly 60% (95% CI, 50.6-68.6) of patients referred for optic neuritis have an alternative diagnosis, with the most common errors being overreliance on a single item of history and failure to consider alternative diagnoses. Understanding pitfalls leading to overdiagnosis of optic neuritis may improve clinicians' diagnostic process. PMID- 29222574 TI - Improving Hearing Aid Self-Efficacy and Utility Through Revising a Hearing Aid User Guide: A Pilot Study. AB - Purpose: This pilot study aimed to investigate whether revising a hearing aid user guide (HAUG) is associated with improved hearing aid self-efficacy and utility performance. Method: In Part 1, an HAUG was evaluated using the Suitability Assessment of Material (SAM) and readability formulas (Flesch Reading Ease [Flesch, 1943], Flesch-Kincaid Readability Formula [Kincaid, Fishburne, Rogers, & Chissom, 1957], and Simple Measure of Gobbledygook [McLaughlin, 1969]). The HAUG was revised using results from the SAM and best practice guidelines. The revision included generating a video. In Part 2, 30 adults with hearing impairment were randomly assigned to use either the original guide (N = 15) or the revised guide and video (N = 15) to perform a utility task. Participants' self-efficacy was measured using the Basic and Advanced Handling subscales of the Measure of Audiologic Rehabilitation Self-Efficacy for Hearing Aids questionnaire. SAM and readability were compared between the original and revised guides (Doak, Doak, & Root, 1996). Results: SAM and readability were improved following the revision. Participants in the revised guide group performed significantly better on the utility task and on the Measure of Audiologic Rehabilitation Self-Efficacy for Hearing Aids subscales than participants in the original guide group. Conclusions: These results are encouraging as they indicate that there is scope to influence self-efficacy and utility performance through the use of appropriate HAUGs. PMID- 29222576 TI - Microbial ecology of the Agaricus bisporus mushroom cropping process. AB - Agaricus bisporus is the most widely cultivated mushroom species in the world. Cultivation is commenced by inoculating beds of semi-pasteurised composted organic substrate with a pure spawn of A. bisporus. The A. bisporus mycelium subsequently colonises the composted substrate by degrading the organic material to release nutrients. A layer of peat, often called "casing soil", is laid upon the surface of the composted substrate to induce the development of the mushroom crop and maintain compost environmental conditions. Extensive research has been conducted investigating the biochemistry and genetics of A. bisporus throughout the cultivation process; however, little is currently known about the wider microbial ecology that co-inhabits the composted substrate and casing layers. The compost and casing microbial communities are known to play important roles in the mushroom production process. Microbial species present in the compost and casing are known for (1) being an important source of nitrogen for the A. bisporus mycelium, (2) releasing sugar residues through the degradation of the wheat straw in the composted substrate, (3) playing a critical role in inducing development of the A. bisporus fruiting bodies and (4) acting as pathogens by parasitising the mushroom mycelium/crop. Despite a long history of research into the mushroom cropping process, an extensive review of the microbial communities present in the compost and casing has not as of yet been undertaken. The aim of this review is to provide a comprehensive summary of the literature investigating the compost and casing microbial communities throughout cultivation of the A. bisporus mushroom crop. PMID- 29222575 TI - Flexible ureteroscopy: technique, tips and tricks. AB - During the last decades, the surgical management of kidney stones benefited of many technological advances and one of them is the development of flexible ureteroscopy (fURS). This tool, ancillary equipment such as graspers and baskets, and lithotripsy technique with Holmium:YAG laser underwent many improvements leading to a widening of its indications with diagnostic and therapeutic management of upper urinary tract pathologies such as urolithiasis and urothelial tumors. The objective of this review is to describe the surgical technique for fURS as well as tips and tricks for the treatment of renal stones. PMID- 29222578 TI - Type 2 proatlantal intersegmental artery. PMID- 29222577 TI - Occupational prestige trajectory and the risk of lung and head and neck cancer among men and women in France. AB - OBJECTIVES: This study aimed at investigating the associations between occupational prestige trajectories and lung and head and neck (HN) cancer risk and to assess to what extent smoking, alcohol drinking, and occupational exposures contribute to these associations. METHODS: Using data from the ICARE case-control study (controls (2676 men/715 women), lung cancers (2019 men/558 women), HN cancers (1793 men/305 women), we defined occupational prestige trajectories using group-based modeling of longitudinal data. We conducted logistic regression models. RESULTS: Among men, a gradient was observed from the downward "low to very low" trajectory to the stable very high trajectory. The associations were reduced when adjusting for tobacco and alcohol consumption and occupational exposures. Among women, when compared to the stable high trajectory, there was an increased cancer risk in all trajectories. The associations remained globally unchanged or even increased after adjustment for tobacco and alcohol consumption and did not change when adjusting for occupational exposures. The ORs were smaller for lung than for HN cancers in men. CONCLUSIONS: Occupational prestige trajectory is strongly associated with lung and HN cancer risk in men and women. PMID- 29222579 TI - The Deauville criteria cannot differentiate between responding and non-responding non-Hodgkin lymphoma patients. PMID- 29222580 TI - [Use of antibiotics in bones : Prophylaxis and current treatment standards]. AB - BACKGROUND: Treatment of bone infection is difficult due the systemic administration of antibiotics, which means that only low concentrations reach the inflamed bone tissue. Loss of bone stock is common in osteomyelitis and device associated infection. Local antibiotics are administered in several ways for prophylactic purposes and also for treatment of bone infection. We intend to show the options and limitations of clinical use of antibiotic-loaded bone grafts. SUITABILITY: Bone grafts are a suitable carrier system for antibiotics. Bone grafts may be loaded with a variety of antimicrobial agents so that individual therapies may be carried out. Critical systemic side effects are unlikely even though extreme high drug concentrations are obtained locally, if the thresholds for loading with antibiotics are respected. Thus, antibiotic-loaded bone grafts are appropriate for prophylaxis and therapy as well. If processing is done in the operating theatre compliance to the legal rules must be respected. RULES: Due to a lack of standardised procedures for loading, application and performance of the application of antibiotic-loaded bone grafts medical societies are being asked to initiate consensus meetings in order to issue recommendations or guidelines with respect to antibiotic-loaded bone grafts to establish reliable rules for surgeons using these devices. PMID- 29222582 TI - Introduction to the special issue on dietary control of immunometabolism. PMID- 29222581 TI - Fractures in children with newly diagnosed hepatoblastoma. AB - BACKGROUND: Hepatoblastoma is the most common primary hepatic malignancy in children. We have recently noticed an increased incidence of unsuspected fractures in children with newly diagnosed hepatoblastoma. This association has been suggested in the past, but the incidence and pathophysiology remain uncertain. OBJECTIVE: To define the incidence and imaging features of fractures in children with newly diagnosed hepatoblastoma. MATERIALS AND METHODS: We searched the oncology database and the radiology picture archiving and communication system of our large tertiary care children's hospital between January 2000 and August 2013 for all patients who presented to our institution with newly diagnosed hepatoblastoma. We reviewed all available imaging exams (radiographs, CT scans, MRIs, and nuclear medicine studies) to identify children who had radiologically apparent fractures on exams during the 50 days prior to diagnosis or up to 2 weeks after the date of hepatoblastoma diagnosis. RESULTS: Forty-five children were included in this retrospective study. Eight children (17.8%) had fractures within 50 days prior to diagnosis or up to 2 weeks after the date of diagnosis, with a mean number of 4.9 fractures per patient (range 1 13). Only 21 of the 39 fractures (54%) were diagnosed during the initial image interpretation. Fractures most commonly occurred in the ribs (n=21) and vertebral bodies (n=10). The presence of a fracture was not associated with an identified demographic, tumor or laboratory finding. CONCLUSION: Unsuspected fractures are relatively common in children with newly diagnosed hepatoblastoma. PMID- 29222583 TI - Correction to: Pioglitazone reduces cold-induced brown fat glucose uptake despite induction of browning in cultured human adipocytes: a randomised, controlled trial in humans. AB - The baseline insulin data given in Table 1 for the placebo group were incorrectly reported as 51 +/- 10 pmol/l instead of 48 +/- 10 pmol/l. This mistake also impacts on data reported in Table 4. PMID- 29222584 TI - [Preservation of the outer ear in a complex burn injury]. AB - Saving the outer ear in burn injuries is a challenging task for the treating surgeon that should not be underestimated. Burns which are initially evaluated as superficial, particularly in this region, often have a tendency to undergo progressive tissue destruction whereby conservative treatment is often no longer sufficient to preserve the skin of the auricle with the underlying cartilage. Various possibilities for saving the ear and for ear reconstruction are described, but in the case of severely burned patients it is often necessary to carry out a quick and relatively simple treatment. In the complicated case of a severely burned patient involving the external ear, a good cosmetic result could be finally obtained with preservation of form and function by means of an economical cartilage resection with subsequent adaptation. PMID- 29222585 TI - [Extranodal abdominal lymphomas]. AB - BACKGROUND: Extranodal manifestations occur in up to 40% of non-Hodgkin lymphomas. The prevalence of extranodal involvement has increased. OBJECTIVES: A comprehensive overview on lymphoma involvement in the parenchymatous abdominal organs, the gastrointestinal tract, and the peritoneal cavity under due consideration of clinical implications is given. MATERIALS AND METHODS: A selective literature search with analysis of dedicated original research articles and reviews was carried out. Clinical guidelines are discussed. RESULTS: Extranodal abdominal lymphoma involvement usually occurs secondarily in advanced disease. Sites involved most frequently are the liver and the gastrointestinal tract. Extranodal abdominal lymphoma involvement is more common in the immunocompromised patient. CONCLUSION: Imaging findings of extranodal abdominal lymphoma are variable. Lymphoma is an important differential diagnosis to be considered in unclear tumor diseases. PMID- 29222586 TI - [Misty mesentery : Mesenteric panniculitis and associated processes]. AB - BACKGROUND: Sclerosing mesenteritis (SM) and mesenteric panniculitis are rare processes of the mesentery which pose a major clinical and imaging challenge. This review article attempts to introduce a systematic nomenclature to address typical symptoms, imaging and major differential diagnoses. RESULTS: SM with its subtypes-mesenteric lipodystrophy, panniculitis and retractile mesenteritis-is a chronic process with a very diverse and heterogeneous clinical appearance. The typical radiological characteristics ("misty mesentery", increased lymph nodes, pseudocapsule and "fat halo") are also not very specific. A link between SM and malignant diseases is not proven, but there is controversial discussion. Therefore, if there are doubts about the diagnosis, further examinations and a biopsy are desired. CONCLUSION: When diagnosing SM, "red flags", i. e. characteristics that are atypical for SM in imaging, should be considered. In case of ambiguous imaging, differential diagnostics should also consider malignant diseases and exclude them. PMID- 29222588 TI - Modification of chitosan-bead support materials with L-lysine and L-asparagine for alpha-amylase immobilization. AB - Maltose syrups have got wide-range utilizations in a variety of applications from bakery to drug-development. alpha-Amylases are among the most widely utilized industrial enzymes due to their high specificity in production of maltose syrup from starch. However, enzymes are not stable in ex vivo conditions towards alteration in pH, temperature, and such other parameters as high salt concentrations and impurities, where immobilization is required to advance the stability of the enzyme with which approach the requirement of isolation of the enzyme from media is eliminated as well. In this study, Termamyl(r) alpha-amylase was immobilized on the none-modified chitosan beads (NMCB), L-lysine-modified chitosan beads (LMCB), and L-asparagine-modified chitosan beads (AMCB) to assess effects of the support material on optimum conditions and kinetic parameters of the alpha-amylase activity in production of maltose from starch. Immobilization on NMCB, LMCB, and AMCB puts a strong influence on optimum pH, optimum temperature, stability, and kinetic parameters of alpha-amylase. Modification of chitosan beads with L-lysine and L-asparagine dramatically altered the overall immobilization yield, and enzyme's response to pH and temperature variations and the kinetic parameters. AMCB provided the best immobilization yield (49%), while LMCB only improved the yield by 2% from 22 to 24%. PMID- 29222587 TI - Gastrointestinal manifestation of immunoglobulin G4-related disease: clarification through a multicenter survey. AB - BACKGROUND: Several reports on immunoglobulin (Ig)G4-related disease (IgG4-RD) with gastrointestinal involvement (IgG4-related gastrointestinal disease; IgG4 GID) have been published, although this entity has not been fully established clinicopathologically. Thus, we carried out a multicenter survey. METHODS: Patients with possible IgG4-GID who underwent resection were collected. Histologic slides were reevaluated, and eight cases with diffuse lymphoplasmacytic infiltration but without numerous neutrophils, granulations or epithelioid granulomas were further analyzed. RESULTS: Overall, the IgG4 counts (87-345/high-power field) and IgG4/IgG-positive ratio were high (44-115%). The demographic findings included advanced age among the patients (55-80 years) and male preponderance (six cases). Six lesions (five gastric, one esophageal), consisting of lymphoplasmacytic infiltration with neural involvement in the muscularis propria and/or bottom-heavy plasmacytosis in the gastric mucosa, were histologically regarded as highly suggestive of IgG4-RD. Storiform fibrosis and obliterative phlebitis were found in two cases, and the former gave rise to a 7 cm-sized inflammatory pseudotumor (IPT) in one case. Ulceration and carcinoma co existed in three and two lesions, respectively. All the patients had other organ involvement (OOI), and serum IgG4 levels were markedly elevated (four of five patients). The remaining two cases with gastric IPTs featuring reactive nodular fibrous pseudotumor or nodular lymphoid hyperplasia were regarded as possible cases of IgG4-RD because of the histologic findings and lack of OOI. CONCLUSIONS: IgG4-GID is found in the setting of IgG4-RD, often with ulceration or cancer. Characteristic histologic findings are observed in the muscularis propria and gastric mucosa. Cases with IPT may be heterogeneous, and there may be mimickers of IgG4-GID. PMID- 29222589 TI - Production optimization for concentration and volume-limited fed-batch reactors in biochemical processes. AB - Since a very slight violation of constraint could cause process safety and product quality problems in biochemical processes, an adaptive approach of fed batch reactor production optimization that can strictly satisfy constraints over the entire operating time is presented. In this approach, an improved smooth function is proposed such that the inequality constraints can be transformed into smooth constraints. Based on this, only an auxiliary state is needed to monitor violations in the augmented performance index. Combined with control variable parameterization (CVP), the dynamic optimization is executed and constraint violations are examined by calculating the sensitivities of states to ensure that the inequality constraints are satisfied everywhere inside the time interval. Three biochemical production optimization problems, including the manufacturing of ethanol, penicillin and protein, are tested as illustrations. Meanwhile, comparisons with pure penalty CVP method, famous dynamic optimization toolbox DOTcvp and literature results are carried out. Research results show that the proposed method achieves better performances in terms of optimization accuracy and computation cost. PMID- 29222590 TI - Technical accuracy of the integration of an external ultrasonography system into a navigation platform: effects of ultrasonography probe registration and target detection. AB - BACKGROUND: Intraoperative navigated ultrasonography has reached clinical acceptance, while published data for the accuracy of some systems are missing. We technically quantified and optimised the accuracy of the integration of an external ultrasonography system into a BrainLab navigation system. METHODS: A high-end ultrasonography system (Elegra; Siemens, Erlangen, Germany) was linked to a navigation system (Vector Vision; BrainLab, Munich, Germany). In vitro accuracy and precision was calculated from differences between a real world target (high-precision crosshair phantom) and the ultrasonography image of this target in the navigation coordinate system. The influence of the intrinsic component of the calibration phantom (for ultrasonography probe registration), type of target definition (manual versus automatic) and orientation of the ultrasound probe in relation to the navigation tracking device on accuracy and precision were analysed in different settings (100 measurements for each setting) resembling clinically relevant scenarios in the neurosurgical operating theatre. RESULTS: Line-of-sight angles of 45 degrees , 62 degrees and 90 degrees for the optical tracking of the navigated ultrasonography probe and a distance of 1.8 m revealed best accuracy and precision. Technical accuracy of the integration of ultrasonography into a standard navigation system is high [Euclidean error: median, 0.79 mm; mean, 0.89 +/- 0.42 mm for 62 degrees angle; median range: 1.16 1.46 mm; mean range (+/-SD): 1.22 +/- 0.32 mm to 1.46 +/- 0.55 mm for grouped analysis of all angles tested]. Software-based automatic target definition improved precision significantly (p < 0.001). CONCLUSIONS: Integration of an external ultrasonography system into the BrainLab navigation is accurate and precise. By modifying registration (and measurement conditions) via software modification, the in vitro accuracy and precision is improved and requirements for a clinical application are fully met. PMID- 29222593 TI - Automated ultra-high-density mapping of peri-sinus node premature atrial contractions. PMID- 29222592 TI - Circadian dependence of manual thrombus aspiration benefit in patients with ST segment elevation myocardial infarction undergoing primary percutaneous coronary intervention. AB - BACKGROUND: The clinical benefit of manual thrombus aspiration (TA) during primary percutaneous coronary intervention (PPCI) in patients with ST-segment elevation myocardial infarction (STEMI) remains uncertain. This study assessed the impact of circadian rhythms on the effectiveness of manual TA. METHODS AND RESULTS: We conducted an observational study of patients enrolled in the Acute Myocardial Infarction in Switzerland Plus registry. STEMI patients undergoing PPCI with (TA group) or without (PCI-alone group) manual TA were divided based on time-of-day symptom onset: group 1 (00:00-05:59), group 2 (06:00-11:59), group 3 (12:00-17:59) and group 4 (18:00-23:59). The primary endpoint was circadian variation of myocardial infarction (MI) size. The secondary endpoint was in hospital all-cause mortality. Between 2009 and 2014, 3648 patients underwent PPCI (TA, 49%). After propensity-score matching, 2860 patients were included. Minimal myocardial Injury was observed in groups 2 and 3 (peak creatine kinase level group 1, 2723 +/- 148 U/l; group 2, 2493 +/- 105 U/l; group 3, 2550 +/- 106 U/l; group 4, 2952 +/- 144 U/l; p = 0.044) in the TA group, whereas no time-of-day dependence was found in PCI-alone group. After periodic sinusoidal regression analysis, a circadian relationship between time-of-day symptom onset and MI size was demonstrated in the TA group (p < 0.001). In-hospital all-cause mortality was 3.4% in the TA group and 4.3% in the PCI-alone group (p = 0.20). CONCLUSIONS: In this large registry of STEMI patients, manual TA did not reduce in-hospital all cause mortality. Nonetheless, there was a circadian dependence of TA effectiveness with greatest myocardial salvage for patients with symptom onset between 06:00 and 17:59. PMID- 29222594 TI - Orthodontic Class II:1 treatment-efficiency and outcome quality of Herbst multibracket appliance therapy. AB - OBJECTIVES: The aim of this retrospective investigation was to assess the efficiency and outcome quality of Class II:1 treatment (Tx). MATERIAL AND METHODS: The investigation is based on the evaluation of all Class II:1 patients that ever (1986-2014) started Tx with a Herbst appliance and subsequently a multibracket appliance (MBA) at the study center. Study casts from before Tx, after Herbst-MBA Tx, and (if available) after >= 24 months of retention were evaluated using the Peer Assessment Rating (PAR) index, the Ahlgren scale, and standard occlusal variables. RESULTS: In total, 526 Class II:1 patients with a mean pre-Tx age of 14.4 years (range 9.8-44.4) had received Herbst-MBA Tx; 18 patients discontinued Tx before completion. For 240 patients, data from >= 24 months of retention were available. The pre-Tx PAR score of 32.4 +/- 8.83 was reduced to 8.0 +/- 4.51 during Tx. A slight increase to 8.8 +/- 5.11 occurred during retention. The percentage of patients which could be assigned to the category "greatly improved" was 62% after Tx and 57% after retention; only 2-3% had to be assigned to the category "worse/no different." The outcome ratings according to the Ahlgren scale revealed 17% excellent, 35% good, 45% satisfactory, and 3% unsuccessful results. CONCLUSIONS: Class II:1 Tx using Herbst-MBA is an efficient approach in orthodontic care. During a mean active Tx period of 2 years, high-quality results can be obtained in the majority of patients. CLINICAL RELEVANCE: The present investigation is the first to investigate a large unselected cohort of consecutive Herbst-MBA patients to determine representative data on the efficiency and the outcome quality of this Tx approach. PMID- 29222595 TI - 'Prostate Cancer Risk Calculator' mobile applications (Apps): a systematic review and scoring using the validated user version of the Mobile Application Rating Scale (uMARS). AB - PURPOSE: The use of mobile phone applications (Apps) has modernised the conventional practice of medicine. The diagnostic ability of the current Apps in prostate specific antigen monitoring, and its diagnostic ability within prostate cancer (PCa) risk calculators have not yet been appraised. We aimed to review, rate and assess the everyday functionality, and utility of all the currently available PCa risk calculator Apps. METHODS: A systematic search on iTunes, Google Play Store, Blackberry World and Windows Apps Store, was performed on 23/11/2017, using the search term 'prostate cancer risk calculator'. After applying the exclusion criteria, each App was individually assessed and rated using pre-set criteria and grading was performed using the validated uMARS scale. RESULTS: In total, 83 Apps were retrieved. After applying our exclusion criteria, only 9 Apps were relevant, with 2 duplicated, and the remaining 7 were suitable for critical review. Data sizes ranged from 414 kb to 10.1 Mb. The cost of the Apps ranged from South African rand (ZAR) 0.00 to ZAR 29.99. The overall mean category uMARS scores ranged from 2.8/5 to 4.5/5. Apps such as Rotterdam Prostate Cancer Risk Calculator, Coral-Prostate Cancer Nomogram Calculator and CPC Risk Calculator, performed the best. CONCLUSIONS: The current PCa risk calculator mobile Apps available may be beneficial in counselling the concerned at risk patient. These Apps have potential to assist both the patient and the urologist alike. The PCa risk calculator App 'predictability' may be further enhanced by the incorporation of newly validated risk factors and predictors for PCa. PMID- 29222596 TI - The effects of local forearm muscle cooling on motor unit properties. AB - PURPOSE: Muscle cooling impairs maximal force. Using needle electromyography (EMG) to assess motor unit properties during muscle cooling, is limited and equivocal. Therefore, we aimed to determine the impact of local muscle cooling on motor unit firing properties using surface EMG decomposition. METHODS: Twenty participants (12 M, 8 F) completed maximal, evoked, and trapezoidal contractions during thermoneutral and cold muscle conditions. Forearm muscle temperature was manipulated using 10-min neutral (~ 32 degrees C) or 20-min cold (~ 3 degrees C) water baths. Twitches and maximal voluntary contractions were performed prior to, and after, forearm immersion in neutral or cold water. Motor unit properties were assessed during trapezoidal contractions to 50% baseline force using surface EMG decomposition. RESULTS: Impaired contractile properties from muscle cooling were evident in the twitch amplitude, duration, and rate of force development indicating that the muscle was successfully cooled from the cold water bath (all d >= 0.5, P < 0.05). Surface EMG decomposition showed muscle cooling increased the number of motor units (d = 0.7, P = 0.01) and motor unit action potential (MUAP) duration (d = 0.6, P < 0.001), but decreased MUAP amplitude (d = 0.2, P = 0.012). Individually, neither motor unit firing rates (d = 0.1, P = 0.843) nor recruitment threshold (d = 0.1, P = 0.746) changed; however, the relationship between the recruitment threshold and motor unit firing rate was steeper (d = 1.0, P < 0.001) and had an increased y-intercept (d = 0.9, P = 0.007) with muscle cooling. CONCLUSIONS: Since muscle contractility is impaired with muscle cooling, these findings suggest a compensatory increase in the number of active motor units, and small but coupled changes in motor unit firing rates and recruitment threshold to produce the same force. PMID- 29222597 TI - Incongruence in treatment decision making is associated with lower health-related quality of life among prostate cancer survivors: results from the PiCTure study. AB - PURPOSE: We investigated associations between treatment decision making (TDM) and global health-related-quality-of-life (gHRQoL) among prostate cancer (PCa) survivors. METHODS: Postal questionnaires were sent to 6559 PCa survivors 2-18 years post-diagnosis, identified through population-based cancer registries in Ireland. The Control Preference Scale was used to investigate respondents' 'actual' and 'preferred' role in TDM. The TDM experience was considered 'congruent' when actual and preferred roles matched and 'incongruent' otherwise. The EORTC QLQ-C30 was used to measure gHRQoL. Multivariate linear regression was employed to investigate associations between (i) actual role in TDM, (ii) congruence in TDM, and gHRQoL. RESULTS: The response rate was 54% (n = 3348). The percentages of men whose actual role in TDM was active, shared or passive were 36, 33 and 31%, respectively. Congruence between actual and preferred roles in TDM was 58%. Actual role in TDM was not associated with gHRQoL. In multivariate analysis, after adjusting for socio-demographic and clinical factors, survivors whose TDM experience was incongruent had significantly lower gHRQoL than those who had a congruent experience (- 2.25 95%CI - 4.09, - 0.42; p = 0.008). This effect was most pronounced among survivors who had more involvement in the TDM than they preferred (- 2.69 95%CI - 4.74, - 0.63; p = 0.010). CONCLUSIONS: Less than 6 in 10 PCa survivors experienced congruence between their actual and preferred roles in TDM. Having an incongruent TDM experience was associated with lower gHRQoL among survivors. These findings suggest that involving patients in TDM to the degree to which they want to be involved may help improve PCa survivors' gHRQoL. PMID- 29222598 TI - Information needs of adolescent and young adult cancer patients and their parent carers. AB - PURPOSE: This study aimed to explore health-related information needs of adolescent and young adults (AYAs) and their parent-carers and to examine demographic and clinical variables associated with unmet information needs, including patient activation. METHODS: In a national cross-sectional study, 196 Australian AYAs diagnosed with cancer between 15 and 25 years and within 24 months of diagnosis and 204 parent-carers reported on total and unmet needs for cancer and health-related information. Fifty-one percent of AYAs were male, 81% had completed treatment and 86% were treated in adult hospitals. RESULTS: AYAs and parents reported high levels of total need for information. The mean number of unmet needs was 5.63 and 6.82 for AYAs and parents, respectively. AYAs reported the highest unmet needs in relation to their cancer (e.g. late effects and cancer recurrence, and having children in the future). The highest unmet parent information needs were related to medical information about their child as well as information on financial issues for their children and themselves. Unmet information need was associated with psychological distress (posttraumatic stress symptoms) for AYAs and parents. Patient activation was negatively associated with unmet information needs for AYAs. Demographic and treatment variables were not significantly associated with information needs. CONCLUSION: These findings indicate the importance of information needs for AYAs and their carers. The association between patient activation and information needs suggests that promoting young people's engagement with healthcare is a key opportunity within AYA care. Parent information needs and associated emotional distress additionally highlight the importance of family-centered care. PMID- 29222599 TI - Cigarette Smoke Induces Activation of Polymorphonuclear Leukocytes. AB - INTRODUCTION: Cigarette smoking is a major risk factor for chronic obstructive pulmonary disease (COPD). Exposure to cigarette smoke may stimulate inflammatory response and activate polymorphonuclear leukocytes (PMN) thus resulting in secretion of cellular proteases. The aim of our study was to explore the effect of cigarette smoke extract (CSE) on the release of matrix metalloproteinase-9 (MMP-9) from PMN. METHODS: The study included 23 patients with stable COPD and 9 healthy controls. PMN were isolated from blood of all participants and exposed to 4% CSE or basal culture medium (0% CSE) for 20 h. MMP-9 concentration in PMN culture media was measured using the ELISA method. RESULTS: Exposure of PMN to 4% CSE did not cause cytotoxic effects, as determined by no changes in lactate dehydrogenase (LDH) activity in PMN culture media when compared to untreated PMN (P = 0.689). In basal conditions, PMN of COPD patients released significantly more MMP-9 compared with PMN of healthy controls (P = 0.016). However, concentration ratio of MMP-9 released from PMN exposed to 4% CSE or 0% CSE of each participant was significantly higher for healthy subjects than for COPD patients (P = 0.025). CONCLUSION: Cigarette smoke induces activation of PMN in healthy controls. However, chronically activated PMN in COPD patients could not be further stimulated by in vitro exposure to CSE. Constantly raised amount of MMP-9 released into the tissues may be involved in the degradation of extracellular matrix in the lungs as seen in COPD patients. PMID- 29222600 TI - Pregnancy in rheumatoid arthritis: a retrospective study. PMID- 29222601 TI - Monitoring small pioneer trees in the forest-tundra ecotone: using multi-temporal airborne laser scanning data to model height growth. AB - Monitoring of forest resources through national forest inventory programmes is carried out in many countries. The expected climate changes will affect trees and forests and might cause an expansion of trees into presently treeless areas, such as above the current alpine tree line. It is therefore a need to develop methods that enable the inclusion of also these areas into monitoring programmes. Airborne laser scanning (ALS) is an established tool in operational forest inventories, and could be a viable option for monitoring tasks. In the present study, we used multi-temporal ALS data with point density of 8-15 points per m2, together with field measurements from single trees in the forest-tundra ecotone along a 1500-km-long transect in Norway. The material comprised 262 small trees with an average height of 1.78 m. The field-measured height growth was derived from height measurements at two points in time. The elapsed time between the two measurements was 4 years. Regression models were then used to model the relationship between ALS-derived variables and tree heights as well as the height growth. Strong relationships between ALS-derived variables and tree heights were found, with R 2 values of 0.93 and 0.97 for the two points in time. The relationship between the ALS data and the field-derived height growth was weaker, with R 2 values of 0.36-0.42. A cross-validation gave corresponding results, with root mean square errors of 19 and 11% for the ALS height models and 60% for the model relating ALS data to single-tree height growth. PMID- 29222591 TI - Dementia with Lewy bodies and Parkinson's disease-dementia: current concepts and controversies. AB - Dementia with Lewy bodies (DLB) and Parkinson's disease-dementia (PDD), although sharing many clinical, neurochemical and morphological features, according to DSM 5, are two entities of major neurocognitive disorders with Lewy bodies of unknown etiology. Despite considerable clinical overlap, their diagnosis is based on an arbitrary distinction between the time of onset of motor and cognitive symptoms: dementia often preceding parkinsonism in DLB and onset of cognitive impairment after onset of motor symptoms in PDD. Both are characterized morphologically by widespread cortical and subcortical alpha-synuclein/Lewy body plus beta-amyloid and tau pathologies. Based on recent publications, including the fourth consensus report of the DLB Consortium, a critical overview is given. The clinical features of DLB and PDD include cognitive impairment, parkinsonism, visual hallucinations, and fluctuating attention. Intravitam PET and post-mortem studies revealed more pronounced cortical atrophy, elevated cortical and limbic Lewy pathologies (with APOE epsilon4), apart from higher prevalence of Alzheimer pathology in DLB than PDD. These changes may account for earlier onset and greater severity of cognitive defects in DLB, while multitracer PET studies showed no differences in cholinergic and dopaminergic deficits. DLB and PDD sharing genetic, neurochemical, and morphologic factors are likely to represent two subtypes of an alpha-synuclein-associated disease spectrum (Lewy body diseases), beginning with incidental Lewy body disease-PD-nondemented-PDD-DLB (no parkinsonism)-DLB with Alzheimer's disease (DLB-AD) at the most severe end, although DLB does not begin with PD/PDD and does not always progress to DLB-AD, while others consider them as the same disease. Both DLB and PDD show heterogeneous pathology and neurochemistry, suggesting that they share important common underlying molecular pathogenesis with AD and other proteinopathies. Cognitive impairment is not only induced by alpha-synuclein-caused neurodegeneration but by multiple regional pathological scores. Recent animal models and human post-mortem studies have provided important insights into the pathophysiology of DLB/PDD showing some differences, e.g., different spreading patterns of alpha-synuclein pathology, but the basic pathogenic mechanisms leading to the heterogeneity between both disorders deserve further elucidation. In view of the controversies about the nosology and pathogenesis of both syndromes, there remains a pressing need to differentiate them more clearly and to understand the processes leading these synucleinopathies to cause one disorder or the other. Clinical management of both disorders includes cholinesterase inhibitors, other pharmacologic and nonpharmacologic strategies, but these have only a mild symptomatic effect. Currently, no disease-modifying therapies are available. PMID- 29222602 TI - Endoscopic ultrasound-guided biliary drainage using a newly designed metal stent with a thin delivery system: a preclinical study in phantom and porcine models. AB - PURPOSE: This study was designed to evaluate the feasibility and safety of a newly designed self-expandable metal stent for endoscopic ultrasound-guided biliary drainage (EUS-BD) when it was delivered via three different stent delivery systems: a 7.5Fr delivery catheter with a bullet-shaped tip (7.5Fr bullet), a 7Fr catheter with a bullet-shaped tip (7Fr-bullet), or a 7Fr catheter with a tee-shaped tip (7Fr-tee). METHODS: This experimental study utilized a porcine model of biliary dilatation involving ten pigs. In the animal study, technical feasibility and clinical outcomes of the stent when placed with each of the delivery systems were examined. In addition, a phantom model was used to measure the resistance of these delivery systems to advancement. RESULTS: Phantom experiments showed that, compared with 7Fr-bullet, 7Fr-tee had less resistance force to the advancement of the stent delivery system. EUS-BD was technically successful in all ten pigs. Fistulous tract dilation was necessary in 100% (2/2), 75% (3/4), and 0% (0/4) of the pigs that underwent EUS-BD using 7.5Fr-bullet, 7Fr bullet, and 7Fr-tee, respectively. There were no procedure-related complications. CONCLUSION: Our newly designed metal stent may be feasible and safe for EUS-BD, particularly when delivered by 7Fr-tee, because it eliminates the need for fistulous tract dilation. PMID- 29222603 TI - Adequacy of planctomycetes as supplementary food source for Daphnia magna. AB - The nutritional quality of daphnids diet can influence their growth, reproduction and survival. In aquatic ecosystems, bacteria can contribute significantly to Daphnia diet by supporting, for instances, their high needs for phosphorus. The laboratory feeding of the model organisms Daphnia spp. is algal based, but should be improved to allow their better performance. The aim of this study was to evaluate the potential of two planctomycetes, Gemmata obscuriglobus and Rhodopirellula rubra, from exponential and stationary growth phases as alternative or supplementary food source for Daphnia magna. The actinobacterium Arthrobacter sp. was used for comparison. The feeding with only bacteria showed the inefficacy of both planctomycetes and actinobacteria as the only food source. However, when used in supplement to Raphidocelis subcapitata, a decrease in the age of first reproduction, a significant increase in reproductive output, in somatic growth and in rate of population increase was found for the highest cell densities of bacteria tested. The typical pink coloration of these bacteria present in daphnids body and eggs confirmed bacterial absorption and metabolization of their pigment. Planctomycetes yielded better results than the actinobacteria Arthrobacter but G. obscuriglobus that possesses sterols did not induce a better performance comparatively to R. rubra. No relation could be established between the feeding treatments that allowed improvement of Daphnia performance and the different kind of Daphnia' Fatty Acid Methyl Esters. The use of sonication to separate planctomycetal cells before feeding the daphnids proved to be efficient. We confirmed that R. subcapitata supplemented by bacteria allows a better growth performance of D. magna. PMID- 29222604 TI - Model based analysis of the heterogeneity in the tumour size dynamics differentiates vemurafenib, dabrafenib and trametinib in metastatic melanoma. AB - PURPOSE: Explore the heterogeneity in dynamics of tumour response to vemurafenib, dabrafenib and trametinib using routinely collected clinical trial imaging data. METHODS: Time-series imaging data from the phase III studies of vemurafenib, dabrafenib and trametinib were collected through a data repository. A mathematical model based on basic mechanisms of tumour growth was placed within a statistical modelling framework to analyse the data. RESULTS: The analysis revealed: (1) existence of homogeneity in drug response and resistance development within a patient; (2) tumour shrinkage rate does not relate to rate of resistance development; (3) vemurafenib and dabrafenib, two BRAF inhibitors, have different variability in tumour shrinkage rates. CONCLUSIONS: Overall these results show how analysis of the dynamics of individual lesions can shed light on the within and between patient differences in tumour shrinkage and resistance rates, which could be used to gain a macroscopic understanding of tumour heterogeneity. PMID- 29222606 TI - Hypothalamic-Pituitary-Adrenal (HPA) Axis Functioning in Overtraining Syndrome: Findings from Endocrine and Metabolic Responses on Overtraining Syndrome (EROS) EROS-HPA Axis. AB - BACKGROUND: Overtraining syndrome (OTS) results from excessive training load without adequate recovery and leads to decreased performance and fatigue. The pathophysiology of OTS in athletes is not fully understood, which makes accurate diagnosis difficult. Previous studies indicate that alterations in the hypothalamus-pituitary-adrenal (HPA) axis may be responsible for OTS; however, the data is not conclusive. This study aimed to compare, through gold standard and exercise-independent tests, the response of the HPA axis in OTS-affected athletes (OTS group) to healthy physically active subjects (ATL group) and healthy non-active subjects (NCS group). METHODS: Selected subjects were evaluated for cortisol response to a 250-MUg cosyntropin stimulation test (CST), cortisol and adrenocorticotropic hormone (ACTH) responses during an insulin tolerance test (ITT), and salivary cortisol rhythm (SCR). RESULTS: A total of 51 subjects were included (OTS, n = 14; ATL, n = 25; and NCS, n = 12). Cortisol response in the CST was similar among the three groups. Conversely, mean cortisol response during an ITT was significantly higher in ATL (21.7 MUg/dL; increase = 9.2 MUg/dL) compared to OTS (17.9 MUg/dL; 6.3 MUg/dL) and NCS (16.9 MUg/dL; 6.0 MUg/dL) (p <= 0.001; p = 0.01). Likewise, median ACTH response during an ITT was significantly higher in ATL (91.4 pg/mL; increase = 45.1 pg/mL) compared to OTS (30.3 pg/mL; 9.7 pg/mL) and NCS (51.4 pg/mL; 38.0 pg/mL) (p = 0.006; p = 0.004). For SCR, mean cortisol 30 min after awakening was significantly higher in ATL (500 ng/dL) compared to OTS (323 ng/dL) and NCS (393 ng/dL) (p = 0.004). We identified the following cutoffs that could help exclude or confirm OTS: cortisol level at 30 min after awakening (exclusion = > 530 ng/dL); cortisol response to ITT (exclusion = > 20.5 MUg/dL; confirmation = < 17 MUg/dL or increase < 9.5 MUg/dL); and ACTH response (exclusion = > 106 pg/mL or increase > 70 pg/mL; confirmation = < 35 pg/mL and increase < 14.5 pg/mL). CONCLUSION: The findings of the present study showed that healthy athletes disclose adaptions to exercises that helped improve sport-specific performance, whereas this sort of hormonal conditioning was at least partially lost in OTS, which may explain the decrease in performance in OTS. PMID- 29222607 TI - Static and fatigue strength of a novel anatomically contoured implant compared to five current open-wedge high tibial osteotomy plates. AB - BACKGROUND: The purpose of the present study was to compare the mechanical static and fatigue strength of the size 2 osteotomy plate "Activmotion" with the following five other common implants for the treatment of medial knee joint osteoarthritis: the TomoFix small stature, the TomoFix standard, the Contour Lock, the iBalance and the second generation PEEKPower. METHODS: Six fourth generation tibial bone composites underwent a medial open-wedge high tibial osteotomy (HTO), according to standard techniques, using size 2 Activmotion osteotomy plates. All bone-implant constructs were subjected to static compression load to failure and load-controlled cyclic fatigue failure testing, according to a previously defined testing protocol. The mechanical stability was investigated by considering different criteria and parameters: maximum forces, the maximum number of loading cycles, stiffness, the permanent plastic deformation of the specimens during the cyclic fatigue tests, and the maximum displacement range in the hysteresis loops of the cyclic loading responses. RESULTS: In each test, all bone-implant constructs with the size 2 Activmotion plate failed with a fracture of the lateral cortex, like with the other five previously tested implants. For the static compression tests the failure occurred in each tested implant above the physiological loading of slow walking (> 2400 N). The load at failure for the Activmotion group was the highest (8200 N). In terms of maximum load and number of cycles performed prior to failure, the size 2 Activmotion plate showed higher results than all the other tested implants except the ContourLock plate. The iBalance implant offered the highest stiffness (3.1 kN/mm) for static loading on the lateral side, while the size 2 Activmotion showed the highest stiffness (4.8 kN/mm) in cyclic loading. CONCLUSIONS: Overall, regarding all of the analysed strength parameters, the size 2 Activmotion plate provided equivalent or higher mechanical stability compared to the previously tested implant. Implants with a metaphyseal slope adapted to the tibia anatomy, and positioned more anteriorly on the proximal medial side of the tibia, should provide good mechanical stability. PMID- 29222608 TI - The impact of subsidized private health insurance and health facility upgrades on healthcare utilization and spending in rural Nigeria. AB - This paper analyzes the quantitative impact of an intervention that provides subsidized low-cost private health insurance together with health facility upgrades in Nigeria. The evaluation, which measures impact on healthcare utilization and spending, is based on a quasi-experimental design and utilizes three population-based household surveys over a 4-year period. After 4 years, the intervention increased healthcare use by 25.2 percentage points in the treatment area overall and by 17.7 percentage points among the insured. Utilization of modern healthcare facilities increased after 4 years by 20.4 percentage points in the treatment area and by 18.4 percentage points among the insured due to the intervention. After 2 years of program implementation, the intervention reduced healthcare spending by 51% compared with baseline, while after 4 years, spending resumed to pre-intervention levels. PMID- 29222605 TI - The endocannabinoid system in cardiovascular function: novel insights and clinical implications. AB - RATIONALE: Cardiovascular disease is now recognized as the number one cause of death in the world, and the size of the population at risk continues to increase rapidly. The dysregulation of the endocannabinoid (eCB) system plays a central role in a wide variety of conditions including cardiovascular disorders. Cannabinoid receptors, their endogenous ligands, as well as enzymes conferring their synthesis and degradation, exhibit overlapping distributions in the cardiovascular system. Furthermore, the pharmacological manipulation of the eCB system has effects on blood pressure, cardiac contractility, and endothelial vasomotor control. Growing evidence from animal studies supports the significance of the eCB system in cardiovascular disorders. OBJECTIVE: To summarize the literature surrounding the eCB system in cardiovascular function and disease and the new compounds that may potentially extend the range of available interventions. RESULTS: Drugs targeting CB1R, CB2R, TRPV1 and PPARs are proven effective in animal models mimicking cardiovascular disorders such as hypertension, atherosclerosis and myocardial infarction. Despite the setback of two clinical trials that exhibited unexpected harmful side-effects, preclinical studies are accelerating the development of more selective drugs with promising results devoid of adverse effects. CONCLUSION: Over the last years, increasing evidence from basic and clinical research supports the role of the eCB system in cardiovascular function. Whereas new discoveries are paving the way for the identification of novel drugs and therapeutic targets, the close cooperation of researchers, clinicians and pharmaceutical companies is needed to achieve successful outcomes. PMID- 29222609 TI - Evaluating cognition in individuals with Huntington disease: Neuro-QoL cognitive functioning measures. AB - PURPOSE: Cognitive functioning impacts health-related quality of life (HRQOL) for individuals with Huntington disease (HD). The Neuro-QoL includes two patient reported outcome (PRO) measures of cognition-Executive Function (EF) and General Concerns (GC). These measures have not previously been validated for use in HD. The purpose of this analysis is to evaluate the reliability and validity of the Neuro-QoL Cognitive Function measures for use in HD. METHODS: Five hundred ten individuals with prodromal or manifest HD completed the Neuro-QoL Cognition measures, two other PRO measures of HRQOL (WHODAS 2.0 and EQ5D), and a depression measure (PROMIS Depression). Measures of functioning The Total Functional Capacity and behavior (Problem Behaviors Assessment) were completed by clinician interview. Objective measures of cognition were obtained using clinician administered Symbol Digit Modalities Test and the Stroop Test (Word, Color, and Interference). Self-rated, clinician-rated, and objective composite scores were developed. We examined the Neuro-QoL measures for reliability, convergent validity, discriminant validity, and known-groups validity. RESULTS: Excellent reliabilities (Cronbach's alphas >= 0.94) were found. Convergent validity was supported, with strong relationships between self-reported measures of cognition. Discriminant validity was supported by less robust correlations between self reported cognition and other constructs. Prodromal participants reported fewer cognitive problems than manifest groups, and early-stage HD participants reported fewer problems than late-stage HD participants. CONCLUSIONS: The Neuro-QoL Cognition measures provide reliable and valid assessments of self-reported cognitive functioning for individuals with HD. Findings support the utility of these measures for assessing self-reported cognition. PMID- 29222610 TI - Characterizing the neighborhood obesogenic environment in the Multiethnic Cohort: a multi-level infrastructure for cancer health disparities research. AB - PURPOSE: We characterized the neighborhood obesogenic environment in the Multiethnic Cohort (MEC) by examining the associations of obesity with attributes of the social and built environment, establishing a multi-level infrastructure for future cancer research. METHODS: For 102,906 African American, Japanese American, Latino, and white MEC participants residing predominately in Los Angeles County, baseline residential addresses (1993-1996) were linked to census and geospatial data, capturing neighborhood socioeconomic status (nSES), population density, commuting, food outlets, amenities, walkability, and traffic density. We examined neighborhood attributes and obesity (body mass index >= 30 kg/m2) associations using multinomial logistic regression, adjusting for individual-level (e.g., demographics, physical activity, and diet) and neighborhood-level factors. RESULTS: NSES was associated with obesity among African Americans, Latinos, and whites (p-trend <= 0.02), with twofold higher odds (adjusted odds ratios, 95% confidence intervals) for living in the lowest versus highest quintile among African American women (2.07, 1.62-2.65), white men (2.11, 1.29-3.44), and white women (2.50, 1.73-3.61). Lower density of businesses among African American and white women and lower traffic density among white men were also associated with obesity (p-trends <= 0.02). CONCLUSIONS: Our study highlights differential impacts of neighborhood factors across racial/ethnic groups and establishes the foundation for multi-level studies of the neighborhood context and obesity-related cancers. PMID- 29222611 TI - Kiwifruit SVP2 controls developmental and drought-stress pathways. AB - KEY MESSAGE: Genome-wide targets of Actinidia chinensis SVP2 confirm roles in ABA and dehydration-mediated growth repression and reveal a conservation in mechanism of action between SVP genes of taxonomically distant Arabidopsis and a woody perennial kiwifruit. The molecular mechanisms underlying growth and dormancy in woody perennials are largely unknown. In Arabidopsis, the MADS-box transcription factor SHORT VEGETATIVE PHASE (SVP) plays a key role in the progression from vegetative to floral development, and in woody perennials SVP like genes are also proposed to be involved in controlling dormancy. During kiwifruit development SVP2 has a role in growth inhibition, with high-chill kiwifruit Actinidia deliciosa transgenic lines overexpressing SVP2 showing suppressed bud outgrowth. Transcriptomic analyses of these plants suggests that SVP2 mimics the well-documented abscisic acid (ABA) effect on the plant dehydration response. To corroborate the growth inhibition role of SVP2 in kiwifruit development at the molecular level, we analysed the genome-wide direct targets of SVP2 using chromatin immunoprecipitation followed by high-throughput sequencing in kiwifruit A. chinensis. SVP2 was found to bind to at least 297 target sites in the kiwifruit genome, and potentially modulates 252 genes that function in a range of biological processes, especially those involved in repressing meristem activity and ABA-mediated dehydration pathways. In addition, our ChIP-seq analysis reveals remarkable conservation in mechanism of action between SVP genes of taxonomically distant plant species. PMID- 29222612 TI - How do Parents Manage Irritability, Challenging Behaviour, Non-Compliance and Anxiety in Children with Autism Spectrum Disorders? A Meta-Synthesis. AB - Although there is increasing research interest in the parenting of children with ASD, at present, little is known about everyday strategies used to manage problem behaviour. We conducted a meta-synthesis to explore what strategies parents use to manage irritability, non-compliance, challenging behaviour and anxiety in their children with ASD. Approaches included: (1) accommodating the child; (2) modifying the environment; (3) providing structure, routine and occupation; (4) supervision and monitoring; (5) managing non-compliance with everyday tasks; (6) responding to problem behaviour; (7) managing distress; (8) maintaining safety and (9) analysing and planning. Results suggest complex parenting demands in children with ASD and problem behaviour. Findings will inform the development of a new measure to quantify parenting strategies relevant to ASD. PMID- 29222613 TI - Broadening the Scope of Peer-Mediated Intervention for Individuals with Autism Spectrum Disorders. AB - Peer-mediated intervention (PMI) is most commonly defined as a treatment approach that engages typically developing peers to teach children with autism spectrum disorders (ASD) social skills and increase their social interactions, mainly in a school setting. In this letter, we address the limitations of such understanding of PMI and review the arguments for broadening its scope. In particular, we argue that there is a critical need for research on PMI that focuses on friendship, social participation, and well-being of adolescents and adults with ASD, as well as engages peers in the community settings. In conclusion, we provide a description of a befriending scheme for individuals with ASD to inspire future research and guidelines on PMI. PMID- 29222614 TI - A singular K-space model for fast reconstruction of magnetic resonance images from undersampled data. AB - Reconstructing magnetic resonance images from undersampled k-space data is a challenging problem. This paper introduces a novel method of image reconstruction from undersampled k-space data based on the concept of singularizing operators and a novel singular k-space model. Exploring the sparsity of an image in the k space, the singular k-space model (SKM) is proposed in terms of the k-space functions of a singularizing operator. The singularizing operator is constructed by combining basic difference operators. An algorithm is developed to reliably estimate the model parameters from undersampled k-space data. The estimated parameters are then used to recover the missing k-space data through the model, subsequently achieving high-quality reconstruction of the image using inverse Fourier transform. Experiments on physical phantom and real brain MR images have shown that the proposed SKM method constantly outperforms the popular total variation (TV) and the classical zero-filling (ZF) methods regardless of the undersampling rates, the noise levels, and the image structures. For the same objective quality of the reconstructed images, the proposed method requires much less k-space data than the TV method. The SKM method is an effective method for fast MRI reconstruction from the undersampled k-space data. Graphical abstract Two Real Images and their sparsified images by singularizing operator. PMID- 29222616 TI - Strength in Numbers. PMID- 29222615 TI - Knockdown expression of IL-10Ralpha gene inhibits PRRSV replication and elevates immune responses in PBMCs of Tibetan pig in vitro. AB - Increase of interleukin-10 (IL-10) induced by Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection has been intensely studied to inhibit the anti-viral responses of host pigs. Blockade of expression of IL-10 receptor (IL-10R) by RNA interference (RNAi) may relieve the immunosuppression caused by excessive IL-10 in PRRSV infection. The recombinant short hairpin expressing plasmid targeted to pig IL-10Ralpha was transfected into peripheral blood mononuclear cells of Tibetan pig (Tp-PBMCs) prior to PRRSV inoculation, then the replication of PRRSV and immune responses in Tp-PBMCs were evaluated. The recombinant interfering plasmid greatly decreased PRRSV yield. The transcriptional level of IL-10Ralphawas obviously inhibited by recombinant interfering plasmid; the expression of IL-10 was also down-regulated, while that of TGF-beta1 was not affected. Furthermore, the recombinant plasmid notably up regulated the mRNA levels of TLR3, TLR7, IFN-alpha, IFN-gamma, IL-2, IL-4, IL 12p40 and MyD88, while that of IL-8 was apparently decreased; In addition, cell viability of Tp-PBMCs was clearly enhanced by the interfering recombinant plasmid. Our results suggest that knockdown the expression of pig IL-10Ralpha can evidently inhibit the PRRSV infection and enhance the anti-viral immune responses of pig immune cells, which may be a promising way for preventing virus infection and developing new effective immune-regulator to strengthen the host immunity against PRRS. PMID- 29222617 TI - Destroy to create. PMID- 29222618 TI - Complex sleep apnea after full-night and split-night polysomnography: the Greek experience. AB - PURPOSE: Treatment-emergent central sleep apnea (TE-CSA) is defined as the emergence or persistence of central respiratory events during the initiation of positive airway pressure (PAP) without a back-up rate in obstructive sleep apnea (OSA) patients and after significant resolution of obstructive events. Previous studies have estimated a prevalence from 0.56 to 20.3%. The aim of this study was to establish the prevalence of TE-CSA in a Greek adult population. METHODS: One thousand fifty nine patients with newly diagnosed OSA, who were referred to the Sleep Disorders Center of Evangelismos Hospital of Athens over an 18-month period, were included in this study. A split-night polysomnography (PSG), or two formal overnight PSGs (diagnostic and continuous PAP (CPAP) titration study), were performed. RESULTS: Patients with OSA were divided in two groups; the first group included 277 patients, who underwent two separate studies (diagnostic and CPAP titration study), and the second group 782 patients, who underwent split night studies. The prevalence of TE-CSA in the first group was 2.53% (7 patients), and in the second group was 5.63% (44 patients). CONCLUSIONS: The prevalence of TE-CSA in Greece was lower compared to most previous reported studies. The significant variation in the prevalence of TE-CSA between different centers throughout the world is mainly associated with the used diagnostic criteria as well as methodological and technical aspects. PMID- 29222619 TI - Improvement in obstructive sleep apnea after a tailored behavioural sleep medicine intervention targeting healthy eating and physical activity: a randomised controlled trial. AB - PURPOSE: The aim of the present single-centre randomised controlled trial was to assess the effect of a behavioural sleep medicine (BSM) intervention on obstructive sleep apnea (OSA) severity in patients who have been referred for new treatment with continuous positive airway pressure (CPAP). METHODS: After baseline assessment including ventilatory and anthropometric parameters, and physical activity monitoring, 86 patients who were overweight (BMI >= 25) and had moderate-severe OSA with apnea-hypopnea index (AHI) >= 15 were randomised into a control group (CG; CPAP and advice about weight loss) or an experimental group (ExpG; CPAP and BSM intervention targeting physical activity and eating behaviour). The BSM intervention comprised 10 individual sessions with a dietician and a physiotherapist and included behaviour change techniques such as goal setting and self-monitoring. After 6 months, a new recording of ventilatory parameters was performed without CPAP. RESULTS: In ExpG, 40% (n = 14) had improved from severe to moderate or mild OSA or from moderate to mild OSA compared to 16.7% in CG (n = 6, p = 0.02). Further, a lower AHI and amount body fat at baseline were correlated with improvement in severity class. Being in ExpG implied a mean improvement in AHI by 9.7 and an odds ratio of 4.5 for improving in severity classification. CONCLUSIONS: The results highlight the clinical importance of lifestyle modifications in conjunction with CPAP treatment in patients with OSA. PMID- 29222620 TI - The Link Between Anxiety Severity and Irritability Among Anxious Youth: Evaluating the Mediating Role of Sleep Problems. AB - Although recent studies have linked pediatric anxiety to irritability, research has yet to examine the mechanisms through which youth anxiety may be associated with irritability. Importantly, sleep related problems (SRPs) have been associated with both child anxiety and irritability, but research has not considered whether the link between youth anxiety and irritability may be accounted for by SRPs. The present study investigated whether SRPs mediated the relationship between anxiety severity and irritability in a large sample of treatment-seeking anxious youth (N = 435; ages 7-19 years, M = 12.7; 55.1% female). Anxiety severity, SRPs and irritability showed significant pairwise associations, and the indirect effect of youth anxiety severity on irritability, via SRPs, was positive and significant. The present analysis is the first to examine youth anxiety, irritability, and SPRs in a single model in a sample of anxious youth, and provides preliminary evidence that SRPs partially mediate links between child anxiety and irritability. PMID- 29222621 TI - Lifespan Extension of Caenorhabditis elegans by Butyricicoccus pullicaecorum and Megasphaera elsdenii with Probiotic Potential. AB - Butyricicoccus pullicaecorum and Megasphaera elsdenii inhabit the human intestine and have probiotic potential. The aim of this study was to evaluate the effects of B. pullicaecorum and M. elsdenii on the lifespan of Caenorhabditis elegans. They significantly (P < 0.05) extended the lifespan of C. elegans compared with Escherichia coli OP50, a standard food for the worm. Analysis of age-related biomarkers such as lipofuscin, body size, and locomotory activity showed that they retarded aging. They all failed to extend the lifespan of daf-12 or dbl-1 loss-of-function C. elegans mutants compared with E. coli OP50-fed worms. However, the increase in lifespan was observed in daf-16, jnk-1, pmk-1, and skn-1 mutants. Moreover, they increased the resistance of C. elegans to a human pathogen, Salmonella typhimurium. In conclusion, B. pullicaecorum and M. elsdenii extend the lifespan of C. elegans via the transforming growth factor-beta (TGF beta) pathway associated with anti-inflammatory processes in the innate immune system. PMID- 29222623 TI - Tumor Infiltrating Lymphocytes in Breast Cancer Patients with Progressive Disease during Neoadjuvant Chemotherapy. AB - A minority of breast cancer (BC) patients progress during neoadjuvant chemotherapy (NCT). The aim of this study was to assess the value of Tumor infiltrating lymphocytes (TILs) in such a high-risk population where valid biomarkers are eagerly needed. A retrospective review identified BC patients who either progressed during NCT or achieved a pathologic complete response (pCR). An experienced BC pathologist semi-quantified stromal TILs in pre-treatment core biopsies using hematoxylin and eosin stained slides. The primary outcome was to compare the levels of TILs between the 2 groups as a continuous and categorical variable using the t-test and X2 test as appropriate. The secondary outcome was to compare survival outcomes between patients with high versus low TILs level using the log-rank test. Fifty patients were successfully identified and assessed for TILs: 21 progressed during NCT and 29 had a pCR. Patients with progressive disease were older with more advanced disease (p = 0.03, p = 0.0001 respectively). A significantly lower mean level of TILs was found in patients with progressive disease compared to patients with pCR: 14.3% (Standard Deviation (SD): 16.9) versus 32.8% (SD: 31), p = 0.01). The level of TILs was neither associated with baseline characteristics nor with survival outcomes. BC patients progressing during NCT have low TILs levels compared to patients with pCR. Prospective studies are needed to establish the utility of TILs as early biomarkers of tumor response, particularly in patients with disease progression who need novel treatment approaches. PMID- 29222622 TI - Toll-Like Receptor 4 Knockdown Attenuates Brain Damage and Neuroinflammation After Traumatic Brain Injury via Inhibiting Neuronal Autophagy and Astrocyte Activation. AB - Toll-like receptor 4 (TLR4) has been linked to various pathophysiological conditions, such as traumatic brain injury (TBI). It is reported that posttraumatic neuroinflammation is an essential event in the progression of brain injury after TBI. Recent evidences indicate that TLR4 mediates glial phagocytic activity and inflammatory cytokines production. Thus, TLR4 may be an important therapeutic target for neuroinflammatory injury post-TBI. This study was designed to explore potential effects and underlying mechanisms of TLR4 in rats suffered from TBI. TBI model was induced using a controlled cortical impact in rats, and application of TLR4 shRNA silenced TLR4 expression in brain prior to TBI induction. Elevated TLR4 was specifically observed in the hippocampal astrocytes and neurons posttrauma. Interestingly, TLR4 shRNA decreased the concentrations of interleukin (IL)-1beta, IL-6, and tissue necrosis factor-alpha; alleviated hippocampal neuronal damage; reduced brain edema formation; and improved neurological deficits after TBI. Meanwhile, to further explore underlying molecular mechanisms of this neuroprotective effects of TLR4 knockdown, our results showed that TLR4 knockdown significantly inhibited the upregulation of autophagy-associated proteins caused by TBI. More importantly, an autophagy inducer, rapamycin pretreated, could partially abolish neuroprotective effects of TLR4 knockdown on TBI rats. Furthermore, TLR4 silencing markedly suppressed GFAP upregulation and improved cell hypertrophy to attenuate TBI-induced astrocyte activation. Taken together, these findings suggested that TLR4 knockdown ameliorated neuroinflammatory response and brain injury after TBI through suppressing autophagy induction and astrocyte activation. PMID- 29222624 TI - Dapsone for Recalcitrant Eosinophilic Annular Erythema: A Case Report and Literature Review. AB - Eosinophilic annular erythema (EAE) is a rare entity of unknown etiology that is possibly related to a hypersensitivity reaction and presents as annular erythematous plaques with tissue eosinophilia. It is classified as a figurate erythema with a controversial relationship to Wells syndrome (WS) in the literature, where it is generally considered a separate entity or subset based on clinical and histopathologic differences. EAE typically presents with recurrent, erythematous, arcuate, and annular plaques on the trunk and proximal extremities. The course of the disease is often chronic, recurrent, and relapsing. Responses to treatment are variable but are typically best with systemic steroids and antimalarials. We report a patient refractory to other therapies who had a striking response to dapsone. PMID- 29222625 TI - Using Patient Feedback to Optimize the Design of a Certolizumab Pegol Electromechanical Self-Injection Device: Insights from Human Factors Studies. AB - INTRODUCTION: We incorporated patient feedback from human factors studies (HFS) in the patient-centric design and validation of ava(r), an electromechanical device (e-Device) for self-injecting the anti-tumor necrosis factor certolizumab pegol (CZP). METHODS: Healthcare professionals, caregivers, healthy volunteers, and patients with rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, or Crohn's disease participated in 11 formative HFS to optimize the e-Device design through intended user feedback; nine studies involved simulated injections. Formative participant questionnaire feedback was collected following e-Device prototype handling. Validation HFS (one EU study and one US study) assessed the safe and effective setup and use of the e-Device using 22 predefined critical tasks. Task outcomes were categorized as "failures" if participants did not succeed within three attempts. RESULTS: Two hundred eighty-three participants entered formative (163) and validation (120) HFS; 260 participants performed one or more simulated e-Device self-injections. Design changes following formative HFS included alterations to buttons and the graphical user interface screen. All validation HFS participants completed critical tasks necessary for CZP dose delivery, with minimal critical task failures (12 of 572 critical tasks, 2.1%, in the EU study, and 2 of 5310 critical tasks, less than 0.1%, in the US study). CONCLUSION: CZP e-Device development was guided by intended user feedback through HFS, ensuring the final design addressed patients' needs. In both validation studies, participants successfully performed all critical tasks, demonstrating safe and effective e-Device self-injections. FUNDING: UCB Pharma. Plain language summary available on the journal website. PMID- 29222626 TI - The Effect of Phacoemulsification on Intraocular Pressure in Eyes with Hyperfiltration Following Trabeculectomy: A Prospective Study. AB - INTRODUCTION: The aim of this study was to evaluate the effect of visually non significant cataract extraction in patients with hypotony maculopathy and reduced visual acuity due to over-filtering blebs after trabeculectomy. METHODS: Patients with intraocular pressure (IOP) < 6 mmHg and documented hypotony maculopathy due to over-filtering blebs after trabeculectomy were prospectively recruited. Eligible patients underwent visually non-significant cataract phacoemulsification, no earlier than 12 weeks from the diagnosis of hypotony maculopathy. IOP and visual acuity before and after phacoemulsification were compared at 1 and 3 months from surgery. Correlations between age, time interval between surgeries, baseline IOP, bleb type and IOP and visual acuity changes at 3 months after phacoemulsification were investigated. RESULTS: From January 2010 to September 2014, 20 consecutive adult patients met the inclusion criteria. Before phacoemulsification, mean IOP was 3.1 +/- 1.6 mmHg. Following phacoemulsification, mean IOP increased to 8.6 +/- 4.1 mmHg at 1 month (p < 0.01) and to 9.1 +/- 4.3 mmHg at 3 months (p < 0.01). IOP elevation following phacoemulsification was observed in 16 of 20 eyes (80%). Mean visual acuity improved from Snellen 0.5 +/- 0.1 to 0.6 +/- 0.1 at 1 month (p < 0.01) to 0.7 +/- 0.2 at 3 months (p < 0.01) after phacoemulsification. In 4 eyes in which the IOP was not elevated, surgical revision of the previous trabeculectomy was performed. No significant correlations between investigated variables, visual acuity and IOP changes at 3 months after phacoemulsification were found. CONCLUSION: Phacoemulsification of visually non-significant cataract appears to be a safe and effective technique for managing chronic ocular hypotony with deep anterior chamber due to over-filtering blebs. PMID- 29222627 TI - Pediatric Asthma Management in China: Current and Future Challenges. AB - The purpose of this report was to review the state of asthma diagnosis and treatment in China and to examine challenges in achieving earlier diagnosis and treatment. The prevalence of asthma in children in China has increased over past decades, and data published in 2013 indicated a prevalence of 3.0% in children aged 0-14 years. Although this prevalence has increased, the percentage of children with acute asthma attacks decreased from 86% in 2000 to 77% in 2010, and the frequency of hospitalizations for asthma attacks decreased from 54.0 to 47%. These decreases are attributed to aggressive promotion of the Global Initiative for Asthma (GINA) protocol and updated Chinese guidelines for the prevention and treatment of asthma in children. The use of inhaled corticosteroids increased and that of systemic corticosteroids decreased between 2000 and 2010. Despite these advances, a number of issues remain to be addressed. Parents lack basic knowledge of asthma and fear the use of corticosteroids. Physician education regarding the diagnosis of asthma in children aged < 6 years is lacking. Patients require training in the administration of inhaled corticosteroids and control of environmental triggers. The Chinese national guidelines for childhood asthma have been updated, but implementation remains a real challenge. PMID- 29222628 TI - One-Year Clinical Effectiveness Comparison of Prasugrel with Ticagrelor: Results from a Retrospective Observational Study using an Integrated Claims Database. AB - BACKGROUND: No direct comparisons of ticagrelor and prasugrel with 1-year clinical follow-up have been reported. OBJECTIVES: Our objective was to compare 1 year clinical outcomes among patients with acute coronary syndrome (ACS) managed with percutaneous coronary intervention (PCI) and treated with either ticagrelor or prasugrel in a real-world setting. METHODS: This retrospective study included patients from a payer database who were aged >=18 years and had ACS managed with PCI with no history of transient ischemic attack (TIA)/stroke. Data were propensity matched for prasugrel use with a 3:1 prasugrel:ticagrelor ratio. Post discharge net adverse clinical event (NACE) rate at 1 year was evaluated for noninferiority using a pre-defined 20% margin. NACE was a composite of major adverse cardiovascular events (MACE) or rehospitalization for bleeding. RESULTS: In total, 15,788 ACS-PCI patients were included (prasugrel 12,797; ticagrelor 2991). Prasugrel-treated patients were younger; less likely to be female, have prior myocardial infarction (MI), diabetes, or non-ST-segment elevation MI (NSTEMI); and more likely to have unstable angina (UA) than ticagrelor-treated patients. Prior to matching, NACE and MACE (P < 0.01) were lower, with no difference in bleeding with prasugrel compared with ticagrelor. After matching, there was no significant difference in baseline characteristics. Noninferiority was demonstrated for NACE, MACE, and bleeding between prasugrel and ticagrelor. NACE and MACE were significantly lower with prasugrel use, primarily driven by heart failure, with no significant difference in all-cause death, MI, UA, revascularization, TIA/stroke, or bleeding. CONCLUSIONS: In this retrospective study, physicians preferentially used prasugrel rather than ticagrelor in younger ACS-PCI patients with lower risk of bleeding or comorbidities. After propensity matching, clinical outcomes associated with prasugrel were noninferior to those with ticagrelor. PMID- 29222629 TI - Postinflammatory Hyperpigmentation: Epidemiology, Clinical Presentation, Pathogenesis and Treatment. AB - Postinflammatory hyperpigmentation (PIH) is a reactive hypermelanosis that develops following cutaneous inflammation. Common causes of PIH include intrinsic skin conditions (e.g., acne and eczema) as well as external insults to the skin, such as burn injuries and dermatologic procedures. PIH more commonly occurs in individuals with darker skin, for whom it is often a source of significant psychological distress. Several therapeutic modalities are available for the treatment of PIH, including topical agents, chemical peels, and energy-based devices. We review the epidemiology, clinical presentation, pathogenesis, and treatment of PIH. PMID- 29222630 TI - 'There's so much to it': the ways physiotherapy students and recent graduates experience practice. AB - Health science courses aim to prepare students for the demands of their chosen profession by learning ways appropriate to that profession and the contexts they will work and live in. Expectations of what students should learn become re contextualised and translated into entry-level curriculum, with students operating as a connection between what is intended and enacted in curriculum, and required in the real world. Drawing on phenomenology, this paper explores how students understand practice-the collective, purposeful knowing, doing and being of a community-in entry-level physiotherapy programs. Ways of thinking and practising (WTP)-a framework attentive to the distinctive nature of a discipline, its values, philosophies and world-view (McCune and Hounsell in High Educ 49(3):255-289, 2005)-provides the conceptual lens. Six themes describing how students see the WTP of physiotherapy practice emerged from the analysis: discovery of new knowledge; problem solving client related contexts; adopting a systems based approach to the body; contributing to a positive therapeutic alliance; developing a sense of self and the profession; and the organisation of the workforce. The study produces knowledge about practice by focusing on physiotherapy students' experiences of disciplinary learning. Including students in educational research in this way is an approach that can help students realise their potential as part of a community of practice. PMID- 29222631 TI - An advanced simulator for orthopedic surgical training. AB - PURPOSE: The purpose of creating the virtual reality (VR) simulator is to facilitate and supplement the training opportunities provided to orthopedic residents. The use of VR simulators has increased rapidly in the field of medical surgery for training purposes. This paper discusses the creation of the virtual surgical environment (VSE) for training residents in an orthopedic surgical process called less invasive stabilization system (LISS) surgery which is used to address fractures of the femur. METHOD: The overall methodology included first obtaining an understanding of the LISS plating process through interactions with expert orthopedic surgeons and developing the information centric models. The information centric models provided a structured basis to design and build the simulator. Subsequently, the haptic-based simulator was built. Finally, the learning assessments were conducted in a medical school. RESULTS: The results from the learning assessments confirm the effectiveness of the VSE for teaching medical residents and students. The scope of the assessment was to ensure (1) the correctness and (2) the usefulness of the VSE. Out of 37 residents/students who participated in the test, 32 showed improvements in their understanding of the LISS plating surgical process. A majority of participants were satisfied with the use of teaching Avatars and haptic technology. A paired t test was conducted to test the statistical significance of the assessment data which showed that the data were statistically significant. CONCLUSION: This paper demonstrates the usefulness of adopting information centric modeling approach in the design and development of the simulator. The assessment results underscore the potential of using VR-based simulators in medical education especially in orthopedic surgery. PMID- 29222632 TI - Preoperative platelet-lymphocyte ratio is an independent factor of poor prognosis after curative surgery for colon cancer. AB - Interaction between tumour and host triggers a systemic inflammatory response. This situation has been associated to cancer progression. Several peripheral blood inflammatory scores have been recently developed, as PLR. Data about the relationship between these scores and cancer prognosis are contradictory. Therefore, the aim of our work is to evaluate the capability of PLR to predict long-term outcomes (OS and RFS) in patients who underwent curative surgery for colon cancer. A retrospective study was designed with patients who underwent curative surgery for colon cancer between September 2008 and January 2012 at Rio Hortega University Hospital, Valladolid (Spain). We analysed the influence of PLR and other clinical variables on OS and RFS. Finally, 201 patients were analysed. Optimal cut-off value for PLR, established with ROC curves, was 153. 1-, 3- and 5 year OS were: 99.0, 90.4 and 82.3% for low PLR, and 93.8, 74.9 and 61.9% for high PLR, p < 0.001. 1-, 3- and 5-year RFS were: 92.4, 84.7 and 77.6% for low PLR, and 83.3, 64.5 and 52.6% for high PLR, p < 0.001. In MVA, high PLR was an independent negative prognostic factor for OS (HR = 2.11; 95% CI 1.22-3.66; p = 0.008) and RFS (HR = 1.99; 95% CI 1.19-3.34; p = 0.009). PLR represents an independent negative prognostic factor for OS and RFS in our sample of patients who underwent curative surgery for colon cancer. However, further studies with a larger sample size from different populations are necessary to confirm this conclusion. PMID- 29222633 TI - Characterising youth with callous-unemotional traits and concurrent anxiety: evidence for a high-risk clinical group. AB - Growing evidence supports the existence of two variants of youth with high callous-unemotional (CU) traits who present with markedly different risk profiles and outcomes, with potential implications for risk assessment and treatment formulation. So far, studies have identified variants of CU youth mainly using data-driven cluster approaches based on levels of CU traits and co-occurring anxiety. Yet, the extent to which this knowledge may be translated into clinical practice is unclear. To this end, the present study employed a severity-based, cut-off approach to systematically characterise CU groups across a range of clinically informative domains, including trauma history, psychiatric symptomatology, affective functioning, attachment style and behavioural risk. Analyses were based on multi-rated data from a community sample of high-risk youths (n = 155, M = 18 years). Consistent with previous studies, we found that, whereas variants show comparable levels of antisocial behaviour, those who present with both high CU and high anxiety report more severe childhood maltreatment, psychological distress, ADHD symptomatology and behavioural risk including substance use, suicidal ideation and unsafe sex. In addition, these youth show greater attachment insecurity and affective dysregulation, as indexed by levels of irritability and alexithymia. Together, findings indicate that (1) trauma history is a key factor that differentiates variants of CU youth high vs. low on anxiety, and (2) differences in individual functioning across variants point to the need for tailored clinical assessment tools and intervention strategies. Importantly, the present findings indicate that variants of CU youth can be meaningfully differentiated using cut-off based approaches that parallel methods used in clinical assessments. PMID- 29222635 TI - Cardiovascular Response of Rat Aorta to Di-(2-ethylhexyl) Phthalate (DEHP) Exposure. AB - Phthalates are one of the main constituents of plastic, reaching up to 40% of the total plastic weight, and their main function is to impart flexibility/elasticity to polymers that would otherwise be rigid. Phthalates are known as endocrine disruptors, since they can interfere with hormone homeostasis. Regarding the cardiovascular system, it was already shown the effects of di-(2-ethylhexyl) phthalate (DEHP) exposure with significant changes in several calcium-handling proteins and an increase in the blood pressure of mice offspring, suggesting that DEHP leads to vasocontraction. However, the mechanisms involved were not elucidated yet. The aim of this study is to analyse the involvement of calcium channels in the effects induced by DEHP on vascular smooth muscle cells. Endothelium-denuded aorta artery rings were prepared from male Wistar rats and incubated in an organ bath, and the whole-cell configuration of Patch Clamp technique was used to measure the activity of L-type Ca2+ channels (LTCC) in A7r5 cells. Overall, DEHP caused relaxation on KCl-induced contraction at higher concentrations and inhibited the basal and BAY K8644-stimulated calcium current, indicating that this drug blocks LTCC. These results suggest that DEHP induces relaxation on vascular smooth muscle cells due to the inhibition of calcium channels. PMID- 29222634 TI - What is the level of evidence for the use of currently available technologies in facilitating the self-management of difficulties associated with ADHD in children and young people? A systematic review. AB - A number of technologies to help self-manage attention deficit hyperactivity disorder (ADHD) in children and young people (YP) have been developed. This review will assess the level of evidence for the use of such technologies. The review was undertaken in accordance with the general principles recommended in the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. 7545 studies were screened. Fourteen studies of technology that aim to self-manage difficulties associated with ADHD in children and YP were included. Primary outcome measures were measures that assessed difficulties related to ADHD. Databases searched were MEDLINE, Web of Science (Core collection), CINAHL, the Cochrane Library, ProQuest ASSIA, PsycINFO and Scopus. The methodological quality of the studies was assessed. This review highlights the potential for the use of technology in paediatric ADHD management. However, it also demonstrates that current research lacks robustness; using small sample sizes, non-validated outcome measures and little psychoeducation component. Future research is required to investigate the value of technology in supporting children and YP with ADHD and a focus psychoeducation is needed. PMID- 29222636 TI - Identification, introgression, and molecular marker genetic analysis and selection of a highly effective novel oat crown rust resistance from diploid oat, Avena strigosa. AB - KEY MESSAGE: Oat crown rust is one of the most damaging diseases of oat. We identified a new source of resistance and developed KASP and TaqMan markers for selection in breeding programs. A new highly effective resistance to oat crown rust (Puccinia coronata f. sp. avenae) was identified in the diploid oat Avena strigosa PI 258731 and introgressed into hexaploid cultivated oat. Young plants with this resistance show moderate susceptibility, whereas older plant tissues and adult plants are resistant with no virulent isolates encountered in over 8 years of testing. Resistance was incorporated into hexaploid oat by embryo rescue, colchicine chromosome doubling followed by backcrosses with a hexaploid parent, and selection for stable transmission of resistance. To mitigate flag leaf and panicle chlorosis/necrosis associated with the resistance, crosses were made with derived resistant lines to breeding lines of divergent parentage followed by selection. Subsequently, two F2 sister lines, termed MNBT1020-1 and MNBT1021-1, were identified in which the chlorosis/necrosis was reduced. These two lines performed well in replicated multi-location state trials in 2015 and 2016 out-yielding all cultivar entries. Segregating F2:3 plants resulting from crosses of MNBT lines to susceptible parents were genotyped with the oat 6K SNP array, and SNP loci with close linkage to the resistance were identified. KASP assays generated from linked SNPs showed accurate discrimination of the resistance in derivatives of the resistant MNBT lines crossed to susceptible breeding lines. A TaqMan marker was developed and correctly identified homozygous resistance in over 95% of 379 F4 plants when rust was scored in F4:5 plants in the field. Thus, a novel highly effective resistance and associated molecular markers are available for use in breeding, genetic analysis, and functional studies. PMID- 29222637 TI - Coffee consumption and risk of hypertension: a dose-response meta-analysis of prospective studies. AB - PURPOSE: Recently, a large prospective study provided additional information concerning the debated possible association between habitual coffee consumption and risk of hypertension (HPT). Therefore, we updated the state of knowledge on this issue by carrying out a comprehensive new systematic review of the literature and a meta-analysis of the available relevant studies. METHODS: We performed a systematic search for prospective studies on general population, published without language restrictions (1966-August 2017). A random-effects dose response meta-analysis was conducted to combine study specific relative risks (RRs) and 95% confidence intervals. Potential non-linear relation was investigated using restricted cubic splines. RESULTS: Four studies (196,256 participants, 41,184 diagnosis of HPT) met the inclusion criteria. Coffee intake was assessed by dietary questionnaire. Dose-response meta-analysis showed a non linear relationship between coffee consumption and risk of HPT (p for non linearity < 0.001). Whereas the habitual drinking of one or two cups of coffee per day, compared with non-drinking, was not associated with risk of HPT, a significantly protective effect of coffee consumption was found starting from the consumption of three cups of coffee per day (RR = 0.97, 95% CI = 0.94 to 0.99), and was confirmed for greater consumption. CONCLUSIONS: The results of this analysis indicate that habitual moderate coffee intake is not associated with higher risk of HPT in the general population and that in fact a non-linear inverse dose-response relationship occurs between coffee consumption and risk of HPT. PMID- 29222638 TI - Meat intake and incidence of cardiovascular disease in Japanese patients with type 2 diabetes: analysis of the Japan Diabetes Complications Study (JDCS). AB - PURPOSE: Excessive meat intake has been researched as a major cause of cardiovascular disease (CVD) among healthy adults, but data on this topic in Asian patients with diabetes are sparse. The quantity and variety of available meats vary widely between Asian and Western countries. As part of a nationwide cohort study we investigated the relationship between meat intake and incidence of CVD in Japanese patients with type 2 diabetes aged 40-70 years with HbA1c >= 6.5%. METHODS: Analyzed were 1353 responders to a baseline dietary survey assessed by the Food Frequency Questionnaire based on food groups. Primary outcome was the 8-year risk of a CVD event, including coronary heart disease (CHD) and stroke. Cox regression analyses estimated hazard ratios (HRs) for dietary intake adjusted for age, gender, body mass index, HbA1c, smoking, energy intake, and other confounders. RESULTS: Mean meat intake in quartiles ranged from 9.9 to 97.7 g/day. After adjusting for confounders, HRs of CHD in the 2nd, 3rd, and 4th quartiles for meat intake compared with the 1st quartile were 2.84 (95% confidence interval 1.29-6.24, p = 0.01), 3.02 (1.36-6.70, p < 0.01), and 2.99 (1.35-6.65, p = 0.01), respectively. In two groups according to meat intake, patients consuming >= 20 g/day of meat had a 2.94-fold higher risk of CHD than those consuming < 20 g/day (p < 0.01). There was no significant association of stroke with meat intake. CONCLUSIONS: An elevated incidence of CHD in Japanese patients with type 2 diabetes was associated with high meat intake. PMID- 29222639 TI - Sleep-Related Painful Erections Following Sexual Intercourse. AB - Sleep-related painful erections (SRPE) is a rare disorder characterized by recurrent painful nocturnal erections during REM sleep in the absence of pain during daytime erections. Approximately 35 cases of SRPE have been reported in the literature, none of them associated with preceding sexual intercourse. We add the report of a 40-year-old patient with a 6-year history of SRPE which only, but always, occurred after sexual intercourse with ejaculation in the evening before. As a result, the frequency of intercourse diminished, causing relationship problems. A non-pharmacological solution was found in shifting the time of sexual intercourse. The patient refused any proposed pharmacological treatment, because of "not wanting to be a patient at his age." PMID- 29222640 TI - Clinical effect of emergency cervical cerclage and elective cervical cerclage on pregnancy outcome in the cervical-incompetent pregnant women. AB - PURPOSE: To compare the clinical effect of emergency cervical cerclage and elective cervical cerclage on pregnancy outcome in the cervical-incompetent pregnant women. METHODS: Literature was searched from the databases of Pubmed, Embase and Google scholar. The fixed or random effects model was used to calculate pooled risk ratios on the basis of heterogeneity. Meta-regression, sensitive analysis, subgroup analysis, and publication bias assessment were also conducted to confirm the results according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2009. RESULTS: The meta-analysis results showed that there were significant associations between cerclage operations and pregnancy outcomes in gestation age, birth weight, and PROM rate. Gestation age was significantly higher in women with elective cerclage than those with emergency cerclage, and birth weight was significantly higher in newborns for the elective group as compared with emergency group. The rate of PROM in elective group was lower than emergency group. However, there were no differences between the emergency cerclage group and the elective cerclage group regarding the rate of vaginal delivery. CONCLUSIONS: This meta-analysis suggests that emergency cerclage has lower gestation age and birth weight than elective cerclage, and it increases the risk of PROM. Further well-designed studies are warranted to confirm these results. PMID- 29222641 TI - Bipolar vessel-sealing devices in laparoscopic hysterectomies: a multicenter randomized controlled clinical trial. AB - OBJECTIVE: To compare operating time and blood loss in patients undergoing total laparoscopic hysterectomies (TLH) for benign conditions with either the MarsealTM IQ 5 mm (MS) or the LigasureTM 5 mm (LS) vessel-sealing device. DESIGN AND SETTING: A randomized controlled clinical trial (RCT) in two German gynecology departments. PATIENTS: 74 patients scheduled to undergo TLH for a symptomatic fibroid uterus, adenomyosis or severe meno-metrorrhagia. INTERVENTIONS: Patients were randomized to receive a TLH with either the MS or the LS device. 27 variables were prospectively collected to address potential confounding issues. MEASUREMENT AND MAIN RESULTS: Operating time, defined as the time period between the first (round ligament dissection) and the last (uterine vessels sealing) use of the device, estimated and calculated intraoperative blood loss. The mean operating time (95% confidence interval, CI) was 22.7 min (95% CI 17.6-27.7) for LS and 26.4 min (95% CI 20-32.8) for the MS device (p = .89). The estimated intraoperative blood loss was 164 ml (95% CI 110-217) for LS and 160 ml (95% CI 116-203) for the MS device (p = .36). The multivariate analyses accounting for BMI, endometriosis, uterine weight and appearance of fibroids did not reveal any significant effect of the type of device used on operating time and estimated blood loss. CONCLUSION: In this RCT, both devices provided reliable and effective sealing and dissection. The reusable MS showed non-inferiority against the disposable LS device with regard to operating time and estimated intraoperative blood loss. PMID- 29222642 TI - Pituitary adenomas, stem cells, and cancer stem cells: what's new? AB - PURPOSE: To clarify the existence of pituitary stem cells (SCs) both in the embryonic and the postnatal gland and the role for SCs in pituitary adenomas. METHODS: This work, which does not address the pathogenesis of pituitary adenomas, reviews the latest research findings and discoveries on SCs in pituitary and cancer SCs (CSCs) in pituitary adenomas and discusses the involvement of the EMT. RESULTS: Several groups using different approaches and techniques have demonstrated the existence of SCs and CSCs and as they are major players in pituitary adenoma onset. CONCLUSIONS: As in other benign and malignant tumors, the hypothesis that CSCs play a pivotal role in pituitary adenoma onset has been confirmed as well as the existence of a link between the epithelial-to mesenchymal transition (EMT) process and CSC formation in epithelial tumors. PMID- 29222643 TI - Overexpression of SIRT2 Alleviates Neuropathic Pain and Neuroinflammation Through Deacetylation of Transcription Factor Nuclear Factor-Kappa B. AB - Sirtuin 2 (SIRT2), a member of the mammalian sirtuin family, plays an important role in the pathogenesis of various neurological diseases. However, whether SIRT2 is involved in the regulation of neuropathic pain remains unclear. In this study, we aimed to investigate the potential role of SIRT2 in regulating neuropathic pain in a rat model induced by chronic constriction injury (CCI). We found that SIRT2 was downregulated in the dorsal root ganglion (DRG) in CCI rats. Intrathecal injection of a recombinant adenovirus expressing SIRT2 markedly alleviated mechanical allodynia and thermal hyperalgesia in CCI rats. This also inhibited the expression of tumor necrosis factor-alpha (TNF-alpha), interleukin 1beta (IL-1beta), and IL-6 in the DRG of CCI rats. Moreover, our results showed that overexpression of SIRT2 inhibited the acetylation of the nuclear factor kappa B (NF-kappaB) p65 protein in the DRG of CCI rats. Additionally, treatment with a SIRT2 specific inhibitor significantly aggravated neuropathic pain and attenuated the inhibitory effect of SIRT2 overexpression on neuropathic pain development. Taken together, these results suggest that overexpression of SIRT2 alleviates neuropathic pain associated with inhibition of NF-kappaB signaling and neuroinflammation. Therefore, SIRT2 may serve as a potential therapeutic target for treatment of neuropathic pain. PMID- 29222644 TI - Membrane-shed vesicles from the parasite Trichomonas vaginalis: characterization and their association with cell interaction. AB - Trichomonas vaginalis is a common sexually transmitted parasite that colonizes the human urogenital tract, where it remains extracellular and adheres to epithelial cells. Infections range from asymptomatic to highly inflammatory, depending on the host and the parasite strain. Despite the serious consequences associated with trichomoniasis disease, little is known about parasite or host factors involved in attachment of the parasite-to-host epithelial cells. Here, we report the identification of microvesicle-like structures (MVs) released by T. vaginalis. MVs are considered universal transport vehicles for intercellular communication as they can incorporate peptides, proteins, lipids, miRNA, and mRNA, all of which can be transferred to target cells through receptor-ligand interactions, fusion with the cell membrane, and delivery of a functional cargo to the cytoplasm of the target cell. In the present study, we demonstrated that T. vaginalis release MVs from the plasma and the flagellar membranes of the parasite. We performed proteomic profiling of these structures demonstrating that they possess physical characteristics similar to mammalian extracellular vesicles and might be selectively charged with specific protein content. In addition, we demonstrated that viable T. vaginalis parasites release large vesicles (LVs), membrane structures larger than 1 um that are able to interact with other parasites and with the host cell. Finally, we show that both populations of vesicles present on the surface of T vaginalis are induced in the presence of host cells, consistent with a role in modulating cell interactions. PMID- 29222646 TI - Evidence for the involvement of opioid system in the antidepressant-like effect of ascorbic acid. AB - Considering the involvement of the opioid system in major depressive disorder (MDD), mainly concerning refractory MDD, and the evidence that ascorbic acid may exert a beneficial effect for the treatment of this disorder, this study investigated the involvement of the opioid system in the antidepressant-like effect of ascorbic acid in the tail suspension test (TST). Treatment of Swiss mice with the non-selective opioid receptor antagonist naloxone (1 mg/kg, i.p.) prevented the reduced immobility time caused by ascorbic acid (1 mg/kg, p.o.) in the TST. Additionally, administration of the selective MU1-opioid receptor antagonist, naloxonazine (10 mg/kg, i.p.), also abolished the antidepressant-like action of the same dose of ascorbic acid in the TST. We also investigated the possible relationship between the opioid system and NMDA receptors in the mechanism of action of ascorbic acid or ketamine (0.1 mg/kg, i.p.) in the TST. Treatment of mice with naloxone (1 mg/kg, i.p.) blocked the synergistic antidepressant-like effect of ascorbic acid (0.1 mg/kg. p.o.) and MK-801 (0.001 mg/kg, p.o., a non-competitive NMDA receptor antagonist) in the TST. Combined administration of ketamine and MK-801 induced a synergistic antidepressant-like action, and naloxone partially abolished this effect. Our results indicate that the antidepressant-like effect of ascorbic acid in the TST appears to be dependent on the activation of the opioid system, especially MU1-opioid receptors, which might be an indirect consequence of NMDA receptor inhibition elicited by ascorbic acid administration. PMID- 29222648 TI - The Level of Toxic Elements in Edible Crops from Seleniferous Area (Punjab, India). AB - The primary objective of the present study was to assess the level of selenium and toxic trace elements in wheat, rice, maize, and mustard from seleniferous areas of Punjab, India. The content of selenium (Se) and toxic trace elements, including aluminum (Al), arsenic (As), cadmium (Cd), mercury (Hg), nickel (Ni), lead (Pb), and tin (Sn), in crop samples was assessed using inductively coupled plasma mass-spectrometry after microwave digestion of the samples. The obtained data demonstrate that cultivation of crops on seleniferous soils significantly increased Se level in wheat, mustard, rice, and maize by a factor of more than 590, 111, 85, and 64, respectively. The study also showed that Se exposure affected toxic metal content in crops. In particular, Se-rich wheat was characterized by a significant decrease in Al, As, Ni, Pb, and Sn levels. The level of As, Cd, Ni, Pb, and Sn was significantly decreased in Se-rich rice, whereas As content was increased. In turn, the decrease in Al, As, Cd, Ni, Pb, and Sn levels in Se-rich maize was associated with a significant elevation of Hg content. Finally, Se-rich mustard was characterized by a significant increase in Al, As, and Hg levels, while the content of Ni, Pb, and Sn was significantly lower than the control levels. These findings should be taken into account while developing the nutritional strategies for correction of Se status. At the same time, the exact mechanisms underlying the observed differences are to be estimated. PMID- 29222645 TI - Role of the microenvironment in myeloid malignancies. AB - The bone marrow microenvironment (BMM) regulates the fate of hematopoietic stem cells (HSCs) in homeostatic and pathologic conditions. In myeloid malignancies, new insights into the role of the BMM and its cellular and molecular actors in the progression of the diseases have started to emerge. In this review, we will focus on describing the major players of the HSC niche and the role of the altered niche function in myeloid malignancies, more specifically focusing on the mesenchymal stroma cell compartment. PMID- 29222647 TI - Bevacizumab for recurrent, persistent or advanced cervical cancer: reproducibility of GOG 240 study results in "real world" patients. AB - PURPOSE: Bevacizumab is the only therapeutic target approved for patients with persistent, recurrent or advanced cervical cancer from a phase III study that combined with chemotherapy; it proves a significant increase in overall survival. To retrospectively assess the efficacy and safety of bevacizumab as the first line treatment in patients from usual clinical practice with recurrent/persistent or advanced cervical cancer. PATIENTS AND METHODS: Treatment consisted of cisplatin 50 mg/m2 or carboplatin AUC 5 plus paclitaxel 175 mg/m2 for 6-8 cycles and bevacizumab 15 mg/kg every 3 weeks up to progression or unacceptable toxicity. The endpoints were progression-free survival (PFS), overall survival (OS), response rates (RR) and toxicity. RESULTS: Twenty-seven patients were included from January 2014 to June 2017, with a median follow-up 10, 1 months. Eleven percent had recurrent/persistent disease and 89% had metastatic disease at diagnosis. The prior exposition to platinum was 70%. The median PFS and OS were 9, 6 and 21, 5 months, respectively. There was an increase of fistula formation (22%). All of them had pelvic and peritoneal disease at the beginning of treatment and previous treatment with chemoradiotherapy; non-incidence differences were found according to the type of platinum agent used. There were two treatment-related deaths, one from intestinal perforation and another from severe sepsis. CONCLUSION: Finally, although our study does have certain limitations, we believe that it can provide useful information and encouraging evidence that the routine use of bevacizumab as part of first-line treatment of patients with advanced cervical cancer may be associated with outcomes comparable with those obtained in GOG240 study. PMID- 29222649 TI - Effect of Oral Zinc Supplementation on the Thiol Oxido-Reductive Index and Thiol Related Enzymes in Seminal Plasma and Spermatozoa of Iraqi Asthenospermic Patients. AB - A thiol group plays an essential role in sperm metabolism and the antioxidative defense state. Zinc is the second most abundant element in the human body, following iron. The present study was conducted to study the effect of zinc supplementation on the characteristics of semen along with thiol and thiol related enzymes in semen of asthenospermic patients. Semen samples were obtained from 60 fertile and 60 asthenospermic men, from couples who had consulted the infertility clinic of Babil Hospital (Hillah city, Iraq). The subfertile group was treated with zinc; every participant took two 220 mg capsules of zinc sulfate per day for 3 months. Semen samples were obtained (before and after zinc supplementation). The levels of reduced thiol, oxidized thiol, thiol oxido reductive index, and thiol-related enzymes activities were determined in spermatozoa and seminal plasma of patients and healthy groups. Oxidized thiol levels were significantly higher in the infertile patients compared to that in the fertile group. Conversely, reduced thiol level, sulfhydryl oxidase activity, and glutathione peroxidase activity significantly decreased in the infertile patients compared to that in the fertile group. Oxidized thiol levels, reduced thiol levels, and thiol-related enzymes activities of the infertile patients were restored to normal values after treatment with zinc. However, reduced and oxidized thiol levels in spermatozoa did not change significantly in the group treated with zinc. The quantitative values for RSH/RSSR and thiol-related enzymes may provide useful means to qualitatively express the oxidant/antioxidant balance in clinical and epidemiologic studies. ClinicalTrials.gov Identifier: NCT02985905. PMID- 29222651 TI - Grandmothers and Children's Schooling in Sub-Saharan Africa. AB - Under poor circumstances, co-residence of a grandmother is generally considered to be beneficial for (grand)children. Empirical evidence does not unequivocally support this expectation and suggests that the grandmother's importance depends on the family's circumstances. We study the relationship between grandmother's co residence and children's schooling in sub-Saharan Africa under a broad range of circumstances. Results make clear that the effect of a co-residing grandmother varies but is almost always positive. Grandmothers over age 60 are most effective in helping their (grand)children. They are particularly important for girls, and when the mother is deceased or not living in the household. Grandmothers are less effective in situations with few opportunities, as in very poor regions or in communities with few schooling opportunities. Our findings indicate that providing support to grandmothers should not be overlooked when designing policies aimed at strengthening the position of women and children in the sub Saharan African context. PMID- 29222650 TI - Taxane, platinum and 5-FU prior to chemoradiotherapy benefits patients with stage IV neck node-positive head and neck cancer and a good performance status. AB - PURPOSE: The benefit of adding docetaxel, cisplatin and 5-fluorouracil (TPF) induction chemotherapy to chemoradiotherapy (CRT) in head and neck squamous cell carcinoma (HNSCC) remains uncertain. We aimed to investigate whether ICT is well tolerated when given with prophylactic treatment against predicted adverse effects and which patients benefit most. METHODS: A single-centre audit identified 132 HNSCC patients with stage IVa/b neck node-positive disease, prescribed TPF followed by CRT. TPF involved three cycles of docetaxel (75 mg/m2 IV) and cisplatin (75 mg/m2 IV) on day 1 plus 5-FU (750 mg/m2 IV) on days 2-5. Planned CRT was 66 Gy in 30 fractions of intensity-modulated radiotherapy with concurrent cisplatin (100 mg/m2 IV) at the beginning of week 1 and 4 (days 1 and 22). All patients received prophylactic antibiotics and granulocyte colony stimulating factor. RESULTS: Median follow-up was 39.5 months. 92.4% of patients completed three cycles of TPF; 95.5% of patients started chemoradiotherapy. Grade 3/4 adverse events were low (febrile neutropenia 3.0%), with no toxicity-related deaths. 3-year overall survival was 67.2%; disease-specific survival was 78.7%; locoregional control was 78.3%. Distant metastases rate was 9.8% (3.0% in those without locoregional recurrence). Good performance status (p = 0.002) and poor tumour differentiation (p = 0.018) were associated with improved overall survival on multivariate analysis. CONCLUSION: With prophylactic antibiotics and granulocyte colony-stimulating factor TPF was well tolerated with good survival outcomes. TPF should remain a treatment option for stage IV neck node-positive patients with a good performance status. The use of tumour grade to aid patient selection for TPF warrants investigation. PMID- 29222653 TI - Ultrasensitive colorimetric detection of NF-kappaB protein at picomolar levels using target-induced passivation of nanoparticles. AB - We developed a highly sensitive and selective sensor based on the nanoprobe conjugates of catalytic nanoparticles and double-stranded DNA (dsDNA) for the colorimetric detection of NF-kappaB protein. The sensing mechanism takes advantage of the catalytic activity of nanoparticle surfaces and the specific binding of NF-kappaB to a dsDNA sequence. In the presence of NF-kappaB, the highly selective interactions between dsDNA and NF-kappaB lead to the passivation of the catalytic nanoparticle surfaces, impeding the sodium borohydride-mediated reduction rate of 4-nitrophenol. The correlation between the NF-kappaB concentration and the visualized reduction rate of 4-nitrophenol from yellow to colorless clearly demonstrates the highly quantitative nature of the sensor. Importantly, this sensor can conclusively detect concentrations as low as 6.39 pM of NF-kappaB, which to best of our knowledge is the lowest limit of detection for a colorimetric NF-kappaB detection system. The excellent sensitivity of this sensor relies on the high binding constant of NF-kappaB to dsDNA and the catalytic activity of nanoparticle surfaces for the signal amplification. This sensor allows visual detection without the need for any spectrometric instrumentation. We also determined the various parameters such as the pH, temperature, incubation time, and salt concentration for optimal NF-kappaB-dsDNA interactions. Finally, we demonstrated the performance of the sensor with simulated sample analysis. Graphical abstract A highly sensitive and selective colorimetric detection of protein NF-kappaB using the nanoprobeconjugates of catalytic gold nanoparticles and double-stranded DNA (dsDNA) has been developed. PMID- 29222652 TI - Development of a kelp powder (Thallus laminariae) Standard Reference Material. AB - A Standard Reference Material (SRM) of seaweed, SRM 3232 Kelp Powder (Thallus laminariae) has been developed to support food and dietary supplement measurements in compliance with the Food Safety Modernization Act (FSMA) and the Dietary Supplement Health and Education Act of 1994 (DSHEA). The material was characterized for nutritional minerals, arsenic species, isomers of vitamin K1, proximates, and toxic elements. Kelp is a rich source of vitamins and minerals, and it is an excellent source of dietary iodine. Kelp also contains a large amount of arsenic, which is toxic as inorganic species but much less so as organic species. To capture the dietary profile of kelp, certified values were issued for As, Ca, Cd, Cr, Cu, Fe, Hg, I, K, Mg, Mn, Mo, Na, Pb, and Zn. Reference values for proximates were assigned. For the first time, a certified value for iodine, reference values for isomers of vitamin K1, and reference values for arsenic species including arsenosugars were assigned in a seaweed. SRM 3232 fills a gap in Certified Reference Materials (CRMs) needed for quality assurance and method validation in the compositional measurements of kelp and similar seaweeds used as food and as dietary supplements. Graphical Absract Arsenic species and isomers of vitamin K1 were determined in the development of SRM 3232 Kelp Powder (Thallus laminariae). PMID- 29222654 TI - Determination of total phthalate in cosmetics using a simple three-phase sample preparation method. AB - A simple sample preparation method requiring minimal organic solvents is proposed for the determination of the total phthalate content in cosmetics by high performance liquid chromatography-tandem mass spectrometry. The hydrolysis of phthalates and purification of interfering substances were performed in a three phase system that included an upper n-hexane phase, a middle ethanol phase, and a lower aqueous alkali solution. This three-phase system utilized an incremental purification strategy. The apolar ingredients were extracted with n-hexane, the polar pigments accumulated in the ethanol phase, and the hydrolysis product, phthalic acid, remained in the hydrolysate. Under the optimized conditions, the correlation coefficients (r) for the calibration curves were 0.998-0.999 in the range 0.60-12 mol L-1. The limit of detection was 5.1 MUmol kg-1, and the limit of quantification was 9.2 MUmol kg-1. The recoveries varied from 84 to 97% with RSDs equal to or lower than 11%. The intra-day and inter-day repeatability values, expressed as the relative standard deviation, were less than 8.7 and 9.8, respectively. No obvious matrix effect existed in the different cosmetics matrices. The validated method was applied for the analysis of 57 commercial cosmetic samples. Graphical abstract Analysis of phthalates in cosmetics using a three-phase preparation method. PMID- 29222655 TI - Levels, dietary intake, and health risk of potentially toxic metals in vegetables, fruits, and cereal crops in Pakistan. AB - Food safety is a major concern worldwide and human beings are frequently exposed to potentially toxic metals (PTMs) through consumption of vegetables, fruits, and cereal crops grown in contaminated areas. The present study investigates the concentrations of PTMs such as chromium (Cr), nickel (Ni), zinc (Zn), arsenic (As), cadmium (Cd), and lead (Pb) in the foodstuffs (fruits, vegetables, and cereals) collected from different markets of Khyber Pakhtunkhwa, Pakistan. Samples of fruits (banana, tangerine, apple, and guava), vegetables (tomato, onion, potato, pea, and lady finger), and cereals (rice, kidney beans, and chick peas) were acid-extracted and analyzed using ICP-MS. The concentrations of Cr, Zn, Pb, As, and Cd in fruits (54, 50, 50, 45, and 4% samples, respectively), vegetables (53, 43, 63, 80, and 46%), and cereals (37, 62, 25, 70, and 25%) exceeded their respective permissible limits set by FAO/WHO (2001). The results showed that the highest mean concentration was observed for Ni (14.95 mg/kg), Pb (0.57 mg/kg), and Cd (0.27 mg/kg) in vegetables followed by fruits and cereals. However, the highest mean concentration of As (0.44 mg/kg) was observed in cereal crops followed by vegetables and fruits. The individual health risk of PTMs via consumption of fruits, vegetables, and cereals were found within safe limits for adults and children. Nevertheless, the total HRI values (fruits + vegetables + cereals) for Ni, As, and Cd for both adults and children were observed > 1 and may posed potential risk for the community consuming these foodstuffs on a daily basis. Graphical abstract ?. PMID- 29222656 TI - Changes to tetracyclines and tetracycline resistance genes in arable soils after single and multiple applications of manure containing tetracyclines. AB - The influence of manure containing tetracyclines (TCs) on the prevalence of antibiotic resistance genes in soils remains poorly understood. Here, three different TCs (oxytetracycline (OTC), tetracycline (TC), and chlortetracycline (CTC)) were mixed respectively with unpolluted manure to fertilize arable soil. The soil received either a single application of 0 MUg kg-1, 300 MUg kg-1 (TC and CTC), or 700 MUg kg-1 (OTC) or multiple applications every 14 days for 140 days. Four tetracycline resistance genes (TRGs), including tet(A), tet(L), tet(M), and tet(Q), were monitored. Although the abundances of the four TRGs in the single application treatment initially increased rapidly, they decreased over time and were significantly lower than those of the repeated treatments after day 112. All additions of TCs stopped on day 140, but we continued to assess the long-term accumulation of TRGs. Most of the TRGs were detected even after the TC-containing manures had not been applied for more than 15 months. The abundance of the TRGs after ceasing fertilization with the TC-containing manures was higher in the repeated application treatments than in the single application treatments. Therefore, more attention should be paid to repeated applications of antibiotic containing manure to arable soils. PMID- 29222657 TI - Protective effects of fucoxanthin and fucoxanthinol against tributyltin-induced oxidative stress in HepG2 cells. AB - Tributyltin (TBT) is a biocide extremely toxic to a wide range of organisms, which has been used for decades for industrial purposes. Fucoxanthin is a natural carotenoid that is isolated from seaweed, and fucoxanthinol is a major primary metabolite of fucoxanthin. Although fucoxanthin and fucoxanthinol have been reported to possess anti-oxidant activities in vitro, little is known as to whether they protect against TBT-induced oxidative stress in cultured cells. In the present study, the protective effect of fucoxanthin and fucoxanthinol against oxidative stress induced by TBT was investigated. The data showed that incubation of HepG2 cells with 0.2 MUM TBT significantly increased cell apoptosis, whereas treatment with fucoxanthin or fucoxanthinol (3 MUM) significantly recovered cell viability. In addition, fucoxanthinol treatment significantly decreased the intracellular reactive oxygen species (ROS) and malondialdehyde (MDA) in HepG2 cells incubated with TBT. Moreover, fucoxanthin and fucoxanthinol markedly increased the expression level of Bcl-2/Bax. These results demonstrated that both fucoxanthin and fucoxanthinol effectively prevented cytotoxicity in HepG2 cells treated with TBT, and the protective effect was likely associated with decreased intracellular ROS and MDA and increased Bcl-2/Bax levels. PMID- 29222658 TI - Phytotoxic effects of silver nanoparticles in tobacco plants. AB - The small size of nanoparticles (NPs), with dimensions between 1 and 100 nm, results in unique chemical and physical characteristics, which is why they are implemented in various consumer products. Therefore, an important concern is the potential detrimental impact of NPs on the environment. As plants are a vital part of ecosystem, investigation of the phytotoxic effects of NPs is particularly interesting. This study investigated the potential phytotoxicity of silver nanoparticles (AgNPs) on tobacco (Nicotiana tabacum) plants and compared it with the effects of the same AgNO3 concentrations. Accumulation of silver in roots and leaves was equally efficient after both AgNP and AgNO3 treatment, with predominant Ag levels found in the roots. Exposure to AgNPs did not result in elevated values of oxidative stress parameters either in roots or in leaves, while AgNO3 induced oxidative stress in both plant tissues. In the presence of both AgNPs and AgNO3, root meristem cells became highly vacuolated, which indicates that vacuoles might be the primary storage target for accumulated Ag. Direct AgNP uptake by root cells was confirmed. Leaf ultrastructural studies revealed changes mainly in the size of chloroplasts of AgNP-treated and AgNO3 treated plants. All of these findings indicate that nano form of silver is less toxic to tobacco plants than silver ions. PMID- 29222659 TI - Municipal solid waste compost as a novel sorbent for antimony(V): adsorption and release trials at acidic pH. AB - The ability of two municipal solid waste composts (MSW-Cs) to sorb antimony(V) in acidic conditions (pH 4.5) was investigated. Sorption isotherms and kinetics showed that both MSW-Cs could sorb antimony(V), even if in different amounts (~ 0.18 and 0.24 mmol g-1 of Sb(V) by MSW-C1 and MSW-C2, respectively). These differences were ascribed to the chemical composition of composts, as well as to the total acidity of their humic substances. The Sb(V) sorption by both MSW-Cs followed a pseudo-second-order kinetic model, while the sorption isotherms data fitted the Freundlich model better than the Langmuir one. The humic acids extracted from composts contributed to 4.26 and 8.24% of Sb(V) sorption by MSW-C1 and MSW-C2 respectively. SEM-EDX spectra of the MSW-C+Sb(V) systems showed a certain association of Ca(II) with Sb(V), while sequential extraction procedures indicated that more than 80% of the Sb(V) sorbed was strongly retained by MSW-Cs. On the other hand, treatment with oxalic acid at pH 4.5 favored the release of more than 98 and 65% of the Sb(V) sorbed by MSW-C1 and MSW-C2 respectively, supporting a possible role of calcium in Sb(V) retention. The results from this study suggest that MSW-Cs could be used as amendments for the in-situ immobilization of Sb(V) in acidic-polluted soils. PMID- 29222660 TI - Testing the role of fiscal policy in the environmental degradation: the case of Turkey. AB - This study introduces a new research topic that investigates the relationship between fiscal development and carbon emissions in Turkey through testing Environmental Kuznets Curve (EKC) hypothesis. Annual data covering the period, 1960-2013, has been used and in addition to gross domestic product and energy consumption, fiscal policy variables have been regressed on the level of carbon emissions in Turkey. Results reveal that fiscal policies and carbon emissions are in long-term equilibrium relationship in Turkey; carbon dioxide emission level converges towards long-term paths as contributed by fiscal policy. The effects of fiscal aggregates on the level of carbon dioxide emissions are negatively significant revealing that growth in fiscal aggregates leads to declines on the levels of carbon emissions. This proves that as far as environmental effects are concerned, fiscal policies regarding energy sector is successful in Turkey. Thus, the major finding of this study confirmed the validity of the fiscal policy induced EKC hypothesis in the case of Turkey. PMID- 29222661 TI - CFD modeling of hydro-biochemical behavior of MSW subjected to leachate recirculation. AB - The most commonly used method of operating landfills more sustainably is to promote rapid biodegradation and stabilization of municipal solid waste (MSW) by leachate recirculation. The present study is an application of computational fluid dynamics (CFD) to the 3D modeling of leachate recirculation in bioreactor landfills using vertical wells. The objective is to model and investigate the hydrodynamic and biochemical behavior of MSW subject to leachate recirculation. The results indicate that the maximum recirculated leachate volume can be reached when vertical wells are set at the upper middle part of a landfill (H W/H T = 0.4), and increasing the screen length can be more helpful in enlarging the influence radius than increasing the well length (an increase in H S/H W from 0.4 to 0.6 results in an increase in influence radius from 6.5 to 7.7 m). The time to reach steady state of leachate recirculation decreases with the increase in pressure head; however, the time for leachate to drain away increases with the increase in pressure head. It also showed that methanogenic biomass inoculum of 1.0 kg/m3 can accelerate the volatile fatty acid depletion and increase the peak depletion rate to 2.7 * 10-6 kg/m3/s. The degradation-induced void change parameter exerts an influence on the processes of MSW biodegradation because a smaller parameter value results in a greater increase in void space. PMID- 29222662 TI - Enhanced activity and stability of La-doped CeO2 monolithic catalysts for lean oxygen methane combustion. AB - Effective utilization of coal bed methane is very significant for energy utilization and environment protection. Catalytic combustion of methane is a promising way to eliminate trace amounts of oxygen in the coal bed methane and the key to this technology is the development of high-efficiency catalysts. Herein, we report a series of Ce1-xLaxO2-delta (x = 0-0.8) monolithic catalysts for the catalytic combustion of methane, which are prepared by citric acid method. The structural characterization shows that the substitution of La enhance the oxygen vacancy concentration and reducibility of the supports and promote the migration of the surface oxygen, as a result improve the catalytic activity of CeO2. M-Ce0.8La0.2O2-delta (monolithic catalyst, Ce0.8La0.2O2-delta coated on cordierite honeycomb) exhibits outstanding activity for methane combustion, and the temperature for 10 and 90% methane conversion are 495 and 580 degrees C, respectively. Additionally, Ce0.8La0.2O2-delta monolithic catalyst presents excellent stability at high temperature. These Ce1-xLaxO2-delta monolithic materials with a small amount of La incorporation therefore show promises as highly efficient solid solution catalysts for lean-oxygen methane combustion. Graphical abstract ?. PMID- 29222663 TI - Magnetic ethylene diamine-functionalized graphene oxide as novel sorbent for removal of lead and cadmium ions from wastewater samples. AB - In this paper, magnetic ethylene diamine-functionalized graphene oxide (MDFGO) as a novel sorbent was synthesized and applied for removal of Pb(II) and Cd(II) from real wastewater samples. The morphology and molecular structure of MDFGO were studied by different analytical methods. The effective parameters in adsorption efficiency of Pb(II) and Cd(II) were studied and optimized using experimental design. Under the optimal condition, the effective parameters including pH, sorbent dosage, shaking rate, and adsorption time were 6.2, 33.0 mg, 500 rpm, and 11 min, respectively. Mechanism of adsorption kinetic was investigated using the Lagergren pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. It was found that adsorption of lead and cadmium ions in the MDFGO sorbent followed from pseudo-first-order and pseudo-second-order models, respectively. Thermodynamic parameters (DeltaG degrees , DeltaH degrees , and DeltaS degrees ) for the lead and cadmium ions uptake onto the MDFGO sorbent were calculated and indicated that the adsorption processes were spontaneous and endothermic in nature for both cations. In order to investigate the isotherm model for adsorption of Pb(II) and Cd(II), the experimental data were studied using the Langmuir, Freundlich, and Harkins-Jura isotherm models. The results fitted well with Freundlich model for both metal ions. The new sorbent (MDFGO) was applied to remove Pb(II) and Cd(II) from battery wastewater and electroplating wastewater. The removal percentage of Pb(II) and Cd(II) were 99.6+/-0.5 and 99.4+/-0.6, respectively, and demonstrated that the new sorbent was very suitable for removal of lead and cadmium ion from the real wastewater samples. PMID- 29222664 TI - Anatomical reconstruction to treat acromion fractures following reverse shoulder arthroplasty. AB - PURPOSE: Scapular fractures after reverse shoulder arthroplasty (RSA) are often associated with substantial shoulder impairment. Patient outcomes following either conservative or operative treatment have not been favourable, and consensus is lacking on the best treatment approach. We describe a technique for anatomic reconstruction of fractured lateral and basal acromion in patients at higher risk for diminished function or those for which conservative treatment has already failed. METHODS: Of the 95 patients who underwent RSA at our institution between December 2013 and December 2016, three had post-operative acromion fractures (type II). Two of these patients had secondary dislocation and one underwent conservative treatment that failed. In all three cases, the acromion was reconstructed using an open technique with plate and interfragmentary screw fixation. RESULTS: After the acromial fracture and prior to reconstructive surgery, the shoulder function decreased substantially in all three cases. Following reconstruction, forward flexion improved from 53.0 degrees to 127 degrees , and abduction improved from 52.0 to 125 degrees . The range of the Constant scores at the one year follow-up was 55-71, and the subjective shoulder value (SSV) was 50-90. One patient reached the same active range of motion (ROM) as her pre-fracture status, and the two other patients improved but did not regain the previous ROM level. CONCLUSION: Acromion fractures after RSA are serious complications that have the potential to cause severe shoulder function impairment. Our fixation technique for anatomic lateral and basal acromion reconstruction was used safely to treat three patients with poor shoulder function due to secondary dislocation or non-unions. PMID- 29222665 TI - Small but diverse: larval trematode communities in the small freshwater planorbids Gyraulus albus and Segmentina nitida (Gastropoda: Pulmonata) from the Ruhr River, Germany. AB - In contrast to the well-studied trematode fauna of lymnaeid snails, only little is known about the role of small planorbid snails as first intermediate hosts for trematodes in temperate freshwater systems. This study aims at closing this gap by assessing the diversity and composition of larval trematode communities in Gyraulus albus and Segmentina nitida in a Central European reservoir system, and by providing an updated comprehensive review of the published trematode records of these snail hosts. A total of 3691 planorbid snails (3270 G. albus; 421 S. nitida) was collected in three consecutive years from four reservoirs of the River Ruhr catchment area in Germany. Gyraulus albus showed a higher overall trematode prevalence (11.7%) and more diverse trematode fauna (12 species) compared to S. nitida, which harboured three species and showed a lower trematode prevalence (1.7%). Altogether, 13 trematode species belonging to four families were identified in both hosts. Seven trematode species encountered in this study represent novel records for these hosts, and/or constitute first records of these larval stages from Germany. Trematode component communities in G. albus were stable across seasons and years, indicating excellent conditions for trematodes in this snail host and the continuous presence of the final hosts of the most dominant trematode species. Overall, this study reveals the importance of small planorbid snails, in particular G. albus, as first intermediate hosts for a species-rich trematode fauna in European freshwater systems, and highlights the parasites' contribution to the ecosystem's biodiversity. PMID- 29222666 TI - Morphometric variation in Periglischrus torrealbai (Acari: Spinturnicidae) on three species of host bats (Chiroptera: Phyllostomidae) with a new record of host species. AB - We evaluated morphometric variation of the mite Periglischrus torrealbai (Spinturnicidae) on three species of host bats: Phyllostomus discolor, P. hastatus, and Tonatia bidens (Phyllostomidae). A total of 67 females and 74 males of P. torrealbai were collected from 41 host individuals of these three bat species that were sampled in Brazil, Paraguay, and Peru. Twenty-one measurements from the dorsal side and 28 from the ventral side were recorded from female mites and 21 dorsal and 34 ventral measurements were taken from males. To evaluate morphological variation of P. torrealbai on different species of host bats, principal component analysis and unweighted pair-group method using arithmetic averages cluster analysis with Euclidean distances were used. Both analyses showed three groups of mites clearly separated: group 1 comprised all ectoparasites collected from T. bidens, group 2 included all mites from P. hastatus, and group 3 had all those from P. discolor. This result indicates that P. torrealbai varies morphologically by host bat species and suggests that this nominal species comprises three morphologically distinct species. In the present study, we record for the first time, the association between P. torrealbai and T. bidens. Our data reinforce the high relationship of specificity between Periglischrus mites and phyllostomid bat species. PMID- 29222667 TI - Drug Burden and its Association with Falls Among Older Adults in New Zealand: A National Population Cross-Sectional Study. AB - BACKGROUND: Adverse outcomes associated with advanced diseases are often exacerbated by polypharmacy. OBJECTIVES: The current study investigated an association between exposure to anticholinergic and sedative medicines and falls in community-dwelling older people, after controlling for potential confounders. METHODS: We conducted a retrospective cross-sectional study of a continuously recruited national cohort of community-dwelling New Zealanders aged 65 years and over. Participants had an International Resident Assessment Instrument-Home Care (interRAI-HC) assessment between 1 September 2012 and 31 January 2016. InterRAI HC is a comprehensive, multi-domain, standardised assessment. This study captured 18 variables, including fall frequency, from the interRAI. These data were deterministically matched with the Drug Burden Index (DBI) for each participant, derived from an anonymised national dispensed pharmaceuticals database. DBI groupings were statistically ascertained, and ordinal regression models employed. RESULTS: Overall, there were 71,856 participants, with a mean age of 82.7 years (range 65-106); 43,802 (61.0%) were female, and 63,578 (88.5%) were New Zealand European. In unadjusted and adjusted analyses, DBI groupings were related to falls (p < 0.001). A DBI score > 3 was associated with a 41% increase in falls compared with a DBI score of 0 (p < 0.001). There was a 'dose-response' relationship between DBI levels and falls risk. CONCLUSIONS: DBI was found to be independently and positively associated with a greater risk of falls in this cohort after adjustment for 18 known confounders. We suggest that the DBI could be a valuable tool for clinicians to use alongside electronic prescribing to help reduce falls in older people. PMID- 29222668 TI - Responsibility for scientific misconduct in collaborative papers. AB - This paper concerns the responsibility of co-authors in cases of scientific misconduct. Arguments in research integrity guidelines and in the bioethics literature concerning authorship responsibilities are discussed. It is argued that it is unreasonable to claim that for every case where a research paper is found to be fraudulent, each author is morally responsible for all aspects of that paper, or that one particular author has such a responsibility. It is further argued that it is more constructive to specify what task responsibilities come with different roles in a project and describe what kinds of situations or events call for some kind of action, and what the appropriate actions might be. PMID- 29222669 TI - The preoperative HbA1c level is an independent prognostic factor for the postoperative survival after resection of non-small cell lung cancer in elderly patients. AB - PURPOSE: The aim of this study was to investigate the influence of a history of diabetes mellitus (DM) and the glycated hemoglobin (HbA1c) level on the survival in patients who underwent complete resection for non-small cell lung cancer (NSCLC). METHODS: Of the patients who underwent complete resection for NSCLC between 2007 and 2015, 468 were classified into DM (who were currently taking medication for DM) and no DM groups as well as into high HbA1c (>= 6.5) and normal HbA1c (< 6.5) groups. RESULTS: The overall survival (OS) did not differ significantly between either pair of groups. Among the elderly patients, the OS did not differ significantly between the DM and no DM groups, but was significantly higher in the normal-HbA1c group than in the high-HbA1c group (5 year survival rate: 84.7 versus 37.2%, respectively, p < 0.01). In the elderly patients, non-adenocarcinoma histology, advanced stage, a high Charlson comorbidity index, and a high preoperative HbA1c level were found to be independent risk factors for the OS. CONCLUSION: We revealed that a high preoperative HbA1c level was associated with a poor OS in elderly patients who underwent complete resection for NSCLC. This suggests that it is necessary to achieve diabetic control prior to complete resection in NSCLC patients. PMID- 29222670 TI - Venetoclax for Treating Chronic Lymphocytic Leukaemia: An Evidence Review Group Perspective of a NICE Single Technology Appraisal. AB - Venetoclax is licensed to treat relapsed or refractory (R/R) chronic lymphocytic leukaemia (CLL). As part of the Single Technology Appraisal (STA) ID944, the National Institute for Health and Care Excellence (NICE) invited AbbVie, the manufacturer, to submit evidence on the use of venetoclax, within its licensed indication. The Evidence Review Group (ERG), Warwick Evidence, was asked to provide an independent and critical review of the submitted evidence. Evidence came from three single-arm trials in CLL patients with or without 17p deletion [del(17p])/TP53 chromosomal abnormalities. The anticipated licensed indication specified that venetoclax-eligible del(17p)/TP53 patients should have not responded to, or be deemed unsuitable for, B-cell receptor inhibitor (BCRi) therapy, and that non-del(17p)/TP53 patients should have not responded to both chemoimmunotherapy and BCRi therapy. The three trials were heterogeneous in terms of both del(17p)/TP53 status and previous exposure to BCRi therapy. The M13-982 study investigated 158 R/R CLL patients with the 17p deletion, but only a small number had received previous BCRi therapy; the M12-175 study investigated 67 patients with CLL or small lymphocytic lymphoma, some with the 17p deletion, but very few previously treated with BCRi therapy; and the M14-032 study included 105 patients previously treated with BCRi therapy (either idelalisib or ibrutinib), some of whom had unknown mutation status. The ERG concluded that the study populations did not directly conform to those specified in the licensed indication or in the NICE scope. Outcomes reported included overall response rate (ORR), duration of response, progression-free survival (PFS) and overall survival (OS); adverse events were reported for the pooled population of all three studies, as well as separately for each study. The median PFS was 41.4 and 27.2 months among patients in the M12-175 and M13-982 trials, respectively, whereas the median PFS was not reached in the M14-032 trial. Some results were designated academic in confidence and cannot be reported here. The submission provided a de novo partitioned survival cost-effectiveness model with three health states: pre progression, post-progression and dead. Transition probabilities between health states were estimated using Weibull models for PFS and OS. The ERG judged the model structure to be appropriate. Venetoclax was compared with best supportive care (BSC) in patients with or without del(17p)/TP53 mutation status, and with palliative care (PC). To populate the del(17p)/TP53 venetoclax arm, the submission pooled del(17p)/TP53 patients from all three studies and fitted Weibull models for PFS and OS. PFS and OS models for non-del(17p)/TP53 venetoclax patients were obtained by applying hazard ratios (HRs) to the del(17p)/TP53 OS and PFS models, derived using Cox's regression analysis comparing del(17p)/TP53 and non-del(17p)/TP53 patients pooled from the M14-032 and M12-175 studies. The ERG expressed reservations about the company's pooling procedure, but acknowledged its expedience given the small evidence base. For the BSC comparator arm, the submission used the rituximab + placebo arm from a randomised controlled trial comparing idelalisib + rituximab versus placebo + rituximab ('study 116'). Weibull regression data for OS and PFS were taken from the idelalisib STA (ID764) submitted by Gilead to NICE. The ERG considered the use of the study 116 rituximab arm to be inconsistent with the licensed indication for venetoclax because these patients had neither not responded to nor were inappropriate for BCRi therapy, being eligible to be randomised to idelalisib. Another difficulty was the requirement for a technical correction in survival analysis because of considerable switching from rituximab to idelalisib. The ERG considered that post progression survival of patients from the idelalisib arm of study 116 provided a more appropriate representation of BSC since these patients had not responded to BCRi therapy, consistent with venetoclax's licensed indication. For PC, the company submission used data from the UK CLL Forum. The company's base-case analysis indicated that venetoclax was clinically effective, but the resulting incremental cost-effectiveness ratios (ICERs) for del(17p)/TP53 (L39,940/quality adjusted life-year [QALY] gained) and non-del(17p)/TP53 (L47,370/QALY gained) patients were well above the NICE threshold of L20,000-30,000/QALY. The ERG identified two errors in the implementation of the company's parametric models one related to the implementation of HRs, and the other to the derivation of the Weibull shape parameters obtained from the Gilead idelalisib submission. The ERG made plausible adjustments to the company's base-case and corrected errors, resulting in a reduced estimate of the cost effectiveness of venetoclax in non del(17p)/TP53 and del(17p)/TP53 indications; in the ERG's preferred base case, using post-progression survival of patients in the idelalisib arm of study 116 as the BSC comparator, deterministic ICERs were higher than the company's base-case for both indications: L57,476/QALY gained for del(17p)/TP53 and L77,779/QALY gained for non-del(17p)/TP53. The NICE Appraisal Committee's preliminary recommendation was that venetoclax used within its licensed indication should not be recommended for use in the National Health Service (NHS). In response to the preliminary recommendation, the company submitted new analyses; however, at a subsequent appraisal committee meeting, the original recommendation was upheld and the committee concluded there were large uncertainties around the clinical effectiveness of venetoclax and BSC, and that under the committee's preferred assumptions, the ICERs were higher than those generally considered cost effective, even when end-of-life criteria were taken into account. The company submitted further evidence, and the final guidance recommended venetoclax for use with the Cancer Drugs Fund for the two populations in this technology appraisal. PMID- 29222671 TI - Biological potential of thiazolidinedione derivatives of synthetic origin. AB - Thiazolidinediones are sulfur containing pentacyclic compounds that are widely found throughout nature in various forms. Thiazolidinedione nucleus is present in numerous biological compounds, e.g., anti-malarial, antimicrobial, anti mycobacterium, anticonvulsant, antiviral, anticancer, anti-inflammatory, antioxidant, anti-HIV (human immunodeficiency virus) and antitubercular agent. However, owing to the swift development of new molecules containing this nucleus, many research reports have been generated in a brief span of time. Therefore seems to be a requirement to collect recent information in order to understand the current status of the thiazolidinedione nucleus in medicinal chemistry research, focusing in particular on the numerous attempts to synthesize and investigate new structural prototypes with more effective antidiabetic, antimicrobial, antioxidant, anti-inflammatory, anticancer and antitubercular activity. PMID- 29222672 TI - Morphological alterations in the position of the mandibular foramen in dentate and edentate mandibles. AB - The technique of inferior alveolar nerve (IAN) block must be based on precise anatomical knowledge regarding the correct position of the mandibular foramen (MF). The aim of the investigation reported here was to determine the anatomic and topographic localization of the MF according to mandibular ramus anatomic landmarks and to identify morphological alterations in the position of the MF and size and shape of the ramus in terms of the impact of tooth socket loss in the molar and premolar region. Seventy-three dry human adult mandibles were divided into two groups according to dental status. These were measured to determine the distances from the anterior and posterior ramus border (AB, PB) to the midpoint of the MF fossa, and from the mandibular notch (MN) and inferior ramus border (IB) to the MF entering point. A number of relevant ramus anatomic features were analyzed, such as ramus width (RW), height (RH), and thickness (RT). The MF was closer to the PB and IB in edentate mandibles (right/left mean PB-MF 10.66 +/- 1.84/11.06 +/- 2.05 mm; right/left mean IB-MF 21.77 +/- 3.23/21.8 +/- 2.27 mm) compared to dentate mandibles (right/left mean PB-MF 11.87 +/- 2.08/12.04 +/- 1.94 mm; right/left mean IB-MF 22.94 +/- 3.09/22.74 +/- 3.74 mm). Edentate mandibles demonstrated reduced RW (right/left mean RW 26.03 +/- 3.53/26.49 +/- 3.90 mm), significantly reduced (p = 0.03) right RH (right/left mean RH 43.56 +/- 4.74/45.43 +/- 4.86 mm), and significantly reduced (p < 0.05) RT in the area of the MF fossa depression (right/left mean RT 5.52 +/- 1.21/5.21 +/- 0.91 mm) compared to dentate mandibles (right/left mean RW 27.34 +/- 3.84/27.48 +/- 3.80 mm; right/left mean RH 46.33 +/- 4.52/47.40 +/- 4.20 mm; right/left mean RT 7.86 +/- 1.98/8.10 +/- 1.92 mm). Alterations in MF position and mandibular ramus anatomic features in edentate mandibles increase the potential risk of complications and failure of IAN block. PMID- 29222673 TI - Ureteric entrapment in sacroiliac joint causing hydroureter and ipsilateral kidney hypertrophy. AB - A unilateral megaureter was found in an elderly female cadaver during routine dissection. The left proximal ureter, which was thick and convolute, descended and entered into the pelvic cavity, where the distal ureter was attached to the posterior pelvic wall at the inlet level. Removal of connective tissue surrounding the attached region revealed ureteric entrapment in the sacroiliac joint. The ipsilateral kidney, from which the megaureter originated, showed no pelvicalyceal dilatation. In contrast, the left kidney was enlarged, weighing 24% more than the right kidney. Differences in the upper urinary system between the obstructed and normal sides were examined in terms of gross anatomy, measurements, and histology. Although ureteric obstruction frequently causes hydroureter and hydronephrosis, the present case is very rare as the incomplete obstruction may have stimulated ipsilateral kidney growth, instead of contralateral compensatory augmentation. PMID- 29222674 TI - Effect of rehabilitation exercise durations on the dynamic bone repair process by coupling polymer scaffold degradation and bone formation. AB - Implantation of biodegradable scaffold is considered as a promising method to treat bone disorders, but knowledge of the dynamic bone repair process is extremely limited. In this study, based on the representative volume cell of a periodic scaffold, the influence of rehabilitation exercise duration per day on the bone repair was investigated by a computational framework. The framework coupled scaffold degradation and bone remodeling. The scaffold degradation was described by a function of stochastic hydrolysis independent of mechanical stimulation, and the bone formation was remodeled by a function of the mechanical stimulation, i.e., strain energy density. Then, numerical simulations were performed to study the dynamic bone repair process. The results showed that the scaffold degradation and the bone formation in the process were competitive. An optimal exercise duration per day emerged. All exercise durations promoted the bone maturation with a final Young's modulus of 1.9 +/- 0.3 GPa. The present study connects clinical rehabilitation and fundamental research, and is helpful to understand the bone repair process and further design bone scaffold for bone tissue engineering. PMID- 29222675 TI - Accuracy of computed tomography for selecting the revascularization method based on SYNTAX score II. AB - OBJECTIVES: The application of SYNTAX score II based on coronary CT angiography (CCTA) for selecting further treatment options has not been studied. This study aimed to investigate the diagnostic performance of CCTA combined with SYNTAX score II for selecting the revascularization method compared with invasive coronary angiography (ICA) based on 2014 European Society of Cardiology (ESC)/European Association for Cardio-Thoracic Surgery (EACTS) guidelines. METHODS: From January-May 2011, 160 patients who underwent both CCTA and ICA within 30 interval days were included. The diagnostic performance of CCTA, CCTA plus CT-SYNTAX score I and CT-SYNTAX score II was analysed using ICA counterparts as references. RESULTS: Overall sensitivity, specificity, positive predictive value, negative predictive value and accuracy of CCTA plus CT-SYNTAX I for selecting coronary artery bypass grafting (CABG) candidates using ICA plus ICA SYNTAX I as reference, were 70.6 %, 95.8 %, 66.7 %, 96.5 % and 93.1 %, respectively. The diagnostic performance of CCTA plus CT-SYNTAX II showed improvement with values of 83.3 %, 97.3 %, 71.4 %, 98.6 % and 96.3 %, respectively, using ICA plus ICA-SYNTAX II as reference. CONCLUSIONS: CCTA combined with CT-SYNTAX score II is an accurate method for selecting CABG surgery candidates compared with ICA-SYNTAX score II. KEY POINTS: * SYNTAX plus CCTA can be highly specific for selecting the revascularization method. * SYNTAX II was complemented by including clinical considerations to SYNTAX I. * CCTA plus CT SYNTAX II is an accurate method for selecting CABG candidates. PMID- 29222676 TI - Intravoxel incoherent motion MR imaging of early cervical carcinoma: correlation between imaging parameters and tumor-stroma ratio. AB - OBJECTIVES: To investigate if intravoxel incoherent motion (IVIM) MR imaging can predict the tumour-stroma ratio (TSR) in patients with early cervical carcinoma. METHODS: Fifty-four patients with early cervical carcinoma were prospectively enrolled into this study. All patients underwent IVIM imaging and parameters including D, D* and f value were measured. The tumours were classified into stroma-rich and stroma-poor group according to TSR, and comparisons of IVIM parameters between two groups were performed. The relationships between IVIM parameters and TSR were analysed by using a multivariate multi-regression analysis. RESULTS: D and f values were significantly lower in stroma-poor tumours than in stroma-rich tumours (p=0.02, 0.04), while the difference in D* value between two groups didn't achieve statistical significance (p=0.09). The areas under ROC curves of D and f values in discriminating stroma-rich and stroma-poor tumours were 0.835 (95%CI=0.616~0.905) and 0.686 (95%CI=0.575~0.798). In multiple linear regression analysis, D value, pathologic type, histologic grade, tumour size and f value were independently correlated with TSR of cervical carcinoma. CONCLUSIONS: D and f values are independently correlated with TSR of cervical carcinoma and have the potential for quantitative measurement of TSR. KEY POINTS: * TSR is a recognized independent prognostic factor in many solid tumours. * D and f values measured by IVIM MRI are independently correlated with TSR while D* is not. * IVIM offers the potential to predict TSR. PMID- 29222677 TI - Diagnostic evaluation of magnetization transfer and diffusion kurtosis imaging for prostate cancer detection in a re-biopsy population. AB - OBJECTIVE: To evaluate diffusion kurtosis imaging (DKI) and magnetisation transfer imaging (MTI) compared to standard MRI for prostate cancer assessment in a re-biopsy population. METHODS: Thirty-patients were imaged at 3 T including DKI (Kapp and Dapp) with b-values 150/450/800/1150/1500 s/mm2 and MTI performed with and without MT saturation. Patients underwent transperineal biopsy based on prospectively defined MRI targets. Receiver-operating characteristic (ROC) analyses assessed the parameters and Wilcoxon-signed ranked test assessed relationships between metrics. RESULTS: Twenty patients had >= 1 core positive for cancer in a total of 26 MRI targets (Gleason 3+3 in 8, 3+4 in 12, >= 4+3 in 6): 13 peripheral (PZ) and 13 transition zone (TZ). The apparent diffusion coefficient (ADC) and Dapp were significantly lower and the Kapp and MT ratio (MTR) significantly higher in tumour versus benign tissue (all p <= 0.005); ROC values 0.767-1.000. Normal TZ had: lower ADC and Dapp and higher Kapp and MTR compared to normal PZ. MTR showed a moderate correlation to Kapp (r = 0.570) and Dapp (r = -0.537) in normal tissue but a poor correlation in tumours. No parameter separated low-grade (Gleason 3+3) from high-grade (>= 3+4) disease for either PZ (p = 0.414-0.825) or TZ (p = 0.148-0.825). CONCLUSION: ADC, Dapp, Kapp and MTR all distinguished benign tissue from tumour, but none reliably differentiated low- from high-grade disease. KEY POINTS: * MTR was significantly higher in PZ and TZ tumours versus normal tissue * K app was significantly lower and D app higher for PZ and TZ tumours * There was no incremental value for DKI/MTI over mono-exponential ADC parameters * No parameter could consistently differentiate low-grade (Gleason 3+3) from high-grade (>= 3+4) disease * Divergent MTR/DKI values in TZ tumours suggests they offer different functional information. PMID- 29222678 TI - Dose-responses for mortality from cerebrovascular and heart diseases in atomic bomb survivors: 1950-2003. AB - The scientific community faces important discussions on the validity of the linear no-threshold (LNT) model for radiation-associated cardiovascular diseases at low and moderate doses. In the present study, mortalities from cerebrovascular diseases (CeVD) and heart diseases from the latest data on atomic bomb survivors were analyzed. The analysis was performed with several radio-biologically motivated linear and nonlinear dose-response models. For each detrimental health outcome one set of models was identified that all fitted the data about equally well. This set was used for multi-model inference (MMI), a statistical method of superposing different models to allow risk estimates to be based on several plausible dose-response models rather than just relying on a single model of choice. MMI provides a more accurate determination of the dose response and a more comprehensive characterization of uncertainties. It was found that for CeVD, the dose-response curve from MMI is located below the linear no-threshold model at low and medium doses (0-1.4 Gy). At higher doses MMI predicts a higher risk compared to the LNT model. A sublinear dose-response was also found for heart diseases (0-3 Gy). The analyses provide no conclusive answer to the question whether there is a radiation risk below 0.75 Gy for CeVD and 2.6 Gy for heart diseases. MMI suggests that the dose-response curves for CeVD and heart diseases in the Lifespan Study are sublinear at low and moderate doses. This has relevance for radiotherapy treatment planning and for international radiation protection practices in general. PMID- 29222679 TI - [Objective audiometry and clinical application]. AB - Subjective and objective hearing tests are used for evaluation of hearing impairments. Objective methods include impedance measurement with tympanometry and stapedius reflex measurement, otoacoustic emissions (OAE), and auditory evoked potentials (AEP). Combined with statistical analysis, the introduction of auditory steady state responses (ASSR) has enabled objective hearing tests in newborn hearing screening and automated hearing threshold assessment. The type and degree of hearing loss can be determined using the abovementioned methods. Precise interpretation of the test results is helpful to distinguish an auditory synaptopathy/neuropathy from classical sensorineural hearing loss. PMID- 29222680 TI - [Life and death decisions : The German Federal Court of Justice states new requirements for advance directives]. PMID- 29222681 TI - [The right to one's own image : Caution required with patient photos and video documentation in talks, publications, and on the practice homepage]. PMID- 29222682 TI - [Three-dimensional analysis of nasal physiology : Representation by means of computational fluid dynamics]. AB - The human nose takes primary responsibility for preconditioning inhaled air. Numerous pathologies can affect the physiology of the nose. The beginnings of flow analyzes were carried out with three-dimensional casting models and differently colored liquids. Temperature and humidity could not be taken into account. Today, much more complex analyzes are possible using computational fluid dynamics (CFD), which are based on three-dimensional models generated from computed tomography (CT) or magnetic resonance imaging (MRI) datasets. Here, flow velocities, temperature, humidity, and pressure differences can be simulated and displayed in high-resolution videos as a function of multiple boundary conditions. The analysis of pathological changes or surgical interventions is thereby possible. PMID- 29222683 TI - Evaluation of urban transformation areas in terms of user satisfaction: the case study of Zagnos Valley (Trabzon/Turkey). AB - Following the Industrial Revolution, rapid urbanization brought about many socio economic, physical, and cultural problems. The concept of urban transformation has come to the fore as a solution to these emerging troubles. Especially since 1980, in Turkey, like other developing countries, the concept of urban transformation has only been evaluated as an economic standpoint ignoring the social and spatial dimensions of that area and the quality of life of people residing in the area. Therefore, the necessity of these socially accessible areas where individuals can regenerate themselves in spiritual and physical terms has increased even more. However, when the urban transformation projects are put into practice, the needs and demands of the users are not taken into account; moreover, there are no studies showing the satisfaction or dissatisfaction of the users following the implementation. In the current study, satisfaction/dissatisfaction levels of the users were determined by asserting the user profile of Zagnos Valley, which is the first urban transformation area of Trabzon. In the valley, which is an important air corridor and a recreation area for Trabzon, questionnaires were implemented through face-to-face interview technique. Factor analysis was carried out in order to reveal the socio demographic characteristics, space usage trends, and spatial usage characteristics of the users. In order to measure satisfaction and dissatisfaction levels, the determined criteria were weighted on a 5-point Likert scale and frequency distributions were examined. In this way, solution proposals have been made in order to increase the level of satisfaction and remediate the level of dissatisfaction of users. PMID- 29222684 TI - How much do plastic surgeons add to the closure of myelomeningoceles? AB - PURPOSE: This study reviews the outcomes of children undergoing myelomeningocele (MMC) repair in the paediatric neurosurgical department in Cardiff. These procedures are historically performed by paediatric neurosurgeons with occasional support from plastic surgeons for the larger lesions. We reviewed the postoperative outcomes over a 9-year period to assess the efficacy of having a plastic surgeon present at all MMC closures. METHODS: Analysis of a prospectively collected database of all MMC closures performed at University Hospital Wales from April 2009 to August 2017 was used. Comparison was made with the published literature especially with regard to complications. RESULTS: Thirty-one children, 13 males and 18 females, underwent MMC closure over the 9-year period. Twenty four (77.4%) defects were closed by direct approximation. Seven patients (22.5%) required a more complex plastic procedure to obtain closure. Two patients (6.5%) had a wound complication, one wound infection and one flap edge necrosis both healing with dressings alone. Two patients had cerebrospinal fluid (CSF) leaks that responded to ventriculo-peritoneal shunting. Two patients died from unrelated conditions during the study period. CONCLUSION: In our series, 7/31 (22.5%) cases involved a more complex closure in keeping with the literature. The authors feel that having the plastic surgeon at all closures has led to a low wound complication rate. PMID- 29222685 TI - Prediction of outcome using pretreatment 18F-FDG PET/CT and MRI radiomics in locally advanced cervical cancer treated with chemoradiotherapy. AB - PURPOSE: The aim of this study is to determine if radiomics features from 18fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) and magnetic resonance imaging (MRI) images could contribute to prognoses in cervical cancer. METHODS: One hundred and two patients (69 for training and 33 for testing) with locally advanced cervical cancer (LACC) receiving chemoradiotherapy (CRT) from 08/2010 to 12/2016 were enrolled in this study. 18F-FDG PET/CT and MRI examination [T1, T2, T1C, diffusion-weighted imaging (DWI)] were performed for each patient before CRT. Primary tumor volumes were delineated with the fuzzy locally adaptive Bayesian algorithm in the PET images and with 3D SlicerTM in the MRI images. Radiomics features (intensity, shape, and texture) were extracted and their prognostic value was compared with clinical parameters for recurrence-free and locoregional control. RESULTS: In the training cohort, median follow-up was 3.0 years (range, 0.43-6.56 years) and relapse occurred in 36% of patients. In univariate analysis, FIGO stage (I-II vs. III-IV) and metabolic response (complete vs. non-complete) were probably associated with outcome without reaching statistical significance, contrary to several radiomics features from both PET and MRI sequences. Multivariate analysis in training test identified Grey Level Non UniformityGLRLM in PET and EntropyGLCM in ADC maps from DWI MRI as independent prognostic factors. These had significantly higher prognostic power than clinical parameters, as evaluated in the testing cohort with accuracy of 94% for predicting recurrence and 100% for predicting lack of loco-regional control (versus ~50-60% for clinical parameters). CONCLUSIONS: In LACC treated with CRT, radiomics features such as EntropyGLCM and GLNUGLRLM from functional imaging DWI-MRI and PET, respectively, are independent predictors of recurrence and loco-regional control with significantly higher prognostic power than usual clinical parameters. Further research is warranted for their validation, which may justify more aggressive treatment in patients identified with high probability of recurrence. PMID- 29222687 TI - Chrysophyllum cainito (apple-star): a fruit with gastroprotective activity in experimental ulcer models. AB - The gastroprotective potential of the methanolic extracts from peels (MEPe), seeds (MESe) and pulp (MEPu) of Chrysophyllum cainito L. (Sapotaceae) fruits was evaluated in mice using ethanol/HCl- and indomethacin-induced ulcer, as well as the antiulcer effect of the juice and flour from this fruit. The lowest oral gastroprotective dose of MEPe, MESe and MEPu against ethanol/HCl was 3, 3 and 10 mg/kg, respectively. Moreover, all extracts increased mucin secretion at 176, 198 and 193%. Intraperitoneal administration of MEPe (0.3 mg/kg), MESe (0.3 mg/kg) and MEPu (1 mg/kg) also promoted gastroprotection against ethanol/HCl. In addition, MEPe (3 mg/kg, p.o), MESe (3 mg/kg, p.o) and MEPu (10 mg/kg, p.o) reduced indomethacin-induced gastric ulcer in mice by 78, 70 and 50%, respectively. Regarding the mode of action, the gastroprotective effect of MEPe was decreased by the pre-administration of N-ethylmaleimide (NEM, a sulfhydryl group chelator, 10 mg/kg, i.p), glibenclamide (a potassium channel blocker, 10 mg/kg, i.p), yohimbine (10 mg/kg, i.p, an alpha-adrenergic receptor antagonist, 10 mg/kg, i.p) and indomethacin (a cyclooxygenase inhibitor, 10 mg/kg, i.p). The gastroprotective effect of MESe was reduced by the pre-administration of NEM, glibenclamide, N-Nitro-L-arginine methyl ester (L-NAME, a nitric oxide synthase inhibitor, 70 mg/kg, i.p) and yohimbine, while MEPu had the gastroprotective effect decreased in animals pretreated with NEM and L-NAME. However, the extracts did not reduce gastric acid secretion. The supplementation with the flour from C. cainito fruit at 10% by 7 days, but not the juice intake, displayed gastroprotective potential, evidencing the fruit as a promising functional food. Together, the antiulcer effect of extracts of the C. cainito fruit in different experimental models was confirmed by the favoring of mucosal protective mechanisms among different, but complementary, modes of action. In parallel, the gastroprotective effects of the flour from C. cainito fruit were also described. PMID- 29222686 TI - EEG Source Imaging Indices of Cognitive Control Show Associations with Dopamine System Genes. AB - Cognitive or executive control is a critical mental ability, an important marker of mental illness, and among the most heritable of neurocognitive traits. Two candidate genes, catechol-O-methyltransferase (COMT) and DRD4, which both have a roles in the regulation of cortical dopamine, have been consistently associated with cognitive control. Here, we predicted that individuals with the COMT Met/Met allele would show improved response execution and inhibition as indexed by event related potentials in a Go/NoGo task, while individuals with the DRD4 7-repeat allele would show impaired brain activity. We used independent component analysis (ICA) to separate brain source processes contributing to high-density EEG scalp signals recorded during the task. As expected, individuals with the DRD4 7-repeat polymorphism had reduced parietal P3 source and scalp responses to response (Go) compared to those without the 7-repeat. Contrary to our expectation, the COMT homozygous Met allele was associated with a smaller frontal P3 source and scalp response to response-inhibition (NoGo) stimuli, suggesting that while more dopamine in frontal cortical areas has advantages in some tasks, it may also compromise response inhibition function. An interaction effect emerged for P3 source responses to Go stimuli. These were reduced in those with both the 7 repeat DRD4 allele and either the COMT Val/Val or the Met/Met homozygous polymorphisms but not in those with the heterozygous Val/Met polymorphism. This epistatic interaction between DRD4 and COMT replicates findings that too little or too much dopamine impairs cognitive control. The anatomic and functional separated maximally independent cortical EEG sources proved more informative than scalp channel measures for genetic studies of brain function and thus better elucidate the complex mechanisms in psychiatric illness. PMID- 29222688 TI - Comparison of qualitative and quantitative CT and MRI parameters for monitoring of longitudinal spine involvement in patients with multiple myeloma. AB - PURPOSE: To compare qualitative and quantitative computed tomography (CT) and magnetic resonance imaging (MRI) parameters for longitudinal disease monitoring of multiple myeloma (MM) of the axial skeleton. MATERIALS AND METHODS: We included 31 consecutive patients (17 m; mean age 59.20 +/- 8.08 years) with MM, who underwent all baseline (n = 31) and at least one or more (n = 47) follow-up examinations consisting of multi-parametric non-enhanced whole-body MRI (WBMRI) and non-enhanced whole-body reduced-dose thin-section MDCT (NEWBMDCT) between 06/2013 and 09/2016. We classified response according to qualitative CT criteria into progression (PD), stable(SD), partial/very good partial (PR/VGPR) and complete response(CR), grouping the latter three together for statistical analysis because CT cannot reliably assess PR and CR. Qualitative MR-response criteria were defined and grouped similarly to CT using longitudinal quantification of signal-intensity changes on T1w/STIR/ T2*w and calculating ADC values. Standard of reference was the hematological laboratory (M-gradient). RESULTS: Hematological response categories were CR (14/47, 29.7%), PR (2/47, 4.2%), SD (16/47, 34.0%) and PD (15/47, 29.9%). Qualitative-CT-evaluation showed PD in 12/47 (25.5%) and SD/PR/VGPR/CR in 35/47 (74.5%) cases. These results were confirmed by quantitative-CT in all focal lytic lesions (p < 0.001). Quantitative CT at sites with diffuse bone involvement showed significant increase of maximum bone attenuation (p < 0.001*) and significant decrease of minimal bone (p < 0.002*) in the SD/PR/VGPR/CR group. Qualitative MRI showed PD in 14/47 (29.7%) and SD/PR/VGPR/CR in 33/47 (70.3%). Quantitative MRI diagnosis showed a statistically significant decrease in signal intensity on short tau inversion recovery sequences (STIR) in bone marrow in patients with diffuse bone marrow involvement achieving SD/PR/VGPR/CR (p < 0.001*). CONCLUSION: Imaging response monitoring using MRI is superior to CT only if qualitative parameters are used, whereas there was no definite benefit from using quantitative parameters with either CT or MRI. PMID- 29222689 TI - Long-Term Quantitative Evaluation of Muscle and Bone Wasting Induced by Botulinum Toxin in Mice Using Microcomputed Tomography. AB - Muscle and bone masses are highly correlated and muscles impose large loads on bone. Muscle wasting that accompanies bone loss has been poorly investigated. 21 female mice were spread into seven groups. At day 0, 18 mice received Botulinum toxin (BTX) injection in the quadriceps muscle to induce paralysis of the right hind limb; the left contralateral side was used as control. Mice were sacrificed at 7, 14, 21, 28, 56 and 90 days post-injection. A remaining group was sacrificed at day 0. Trabecular bone volume was determined by microcomputed tomography (microCT) at the distal femur and tibia proximal metaphyses on both sides. Limbs were immersed in an HgCl2 solution allowing muscle visualization by microCT. On 2D sections, the cross-sectional areas and form-factors were measured for the quadriceps at mid-thigh and gastrocnemius at mid-leg and these muscles were dissected and weighed. Bone volume decreased in the paralysed side. Bone loss was maximal at 56 days followed by recuperation at 90 days. The cross-sectional areas of gastrocnemius and quadriceps were significantly lower in the paralysed limb from 7 days; the decrease was maximum at 21 days for the gastrocnemius and 28 days for the quadriceps. No difference in form-factors was found between the two limbs. Similar results were obtained with the anatomical method and significant correlations were obtained between the two methods. Quantitative analysis of muscle loss and recovery was possible by microCT after using a metallic contrast agent. Loss of bone secondary to muscle wastage induced by BTX and recovery showed a parallel evolution for bone and muscles. PMID- 29222690 TI - Risk factor of contralateral radiculopathy following microendoscopy-assisted minimally invasive transforaminal lumbar interbody fusion. AB - PURPOSE: Microendoscopy-assisted minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) is an advantageous method for treating lumbar degenerative disease; however, some patients show contralateral radiculopathy postoperatively. This study aims to investigate its risk factor. METHODS: A total of 130 cases who underwent microendoscopy-assisted MIS-TLIF at L4-5 level were divided into symptomatic and asymptomatic groups according to the presence of postoperative contralateral radiculopathy. Both preoperative and postoperative radiographic parameters, as well as their changes were compared between the two groups, including lumbar lordosis (LL), surgical segmental angle (SSA), disc height (DH), contralateral foramen area (CFA) and contralateral canal area (CCA). Screw breach on contralateral L4 pedicle and decompression method (ipsilateral or bilateral canal decompression through unilateral route) were also analyzed as potential risk factors. Receiver operating characteristic (ROC) curve was drawn for the risk factor to determine the optimal threshold for predicting postoperative contralateral radiculopathy. Besides, clinical outcome assessment, involving Visual Analog Score (VAS) for back and leg, Japanese Orthopaedics Association Score (JOA) and Oswestry Disability Index (ODI), was also compared between the two groups before surgery and at final follow-up (at least 3 months after the surgery for asymptomatic patients or final treatments of contralateral radiculopathy for symptomatic cases). RESULTS: Postoperative contralateral radiculopathy occurred in 11 (8.5%) of the 130 patients. Both preoperative and postoperative CFA as well as its change were significantly decreased in symptomatic group compared with asymptomatic group (all P < 0.05). For the remaining four parameters (LL, SSA, DH, CCA), their preoperative, postoperative and change values showed no statistical difference between the two groups (all P > 0.05). Neither screw breach nor decompression method revealed statistical association with this complication (both P > 0.05). Based on ROC curve, the optimal threshold of preoperative CFA was 0.76 cm2. At final follow-up, significant improvement in VAS (back and leg), JOA and ODI was observed in both groups compared with preoperative baseline (all P < 0.05), while no difference was found between the two groups (all P > 0.05). CONCLUSIONS: Preoperative contralateral foramen stenosis is the risk factor of contralateral radiculopathy following microendoscopy-assisted MIS-TLIF. If preoperative CFA at L4-5 level is not larger than 0.76 cm2, prophylactic measures, including both indirect and direct decompression of contralateral foramen, are recommended. PMID- 29222691 TI - A rare cause of tricuspid regurgitation. PMID- 29222692 TI - Advances in understanding hilar mossy cells of the dentate gyrus. AB - Hilar mossy cells (MCs) of the dentate gyrus (DG) distinguish the DG from other hippocampal subfields (CA1-3) because there are two glutamatergic cell types in the DG rather than one. Thus, in the DG, the main cell types include glutamatergic granule cells (GCs) and MCs, whereas in CA1-3, the only glutamatergic cell type is the pyramidal cell. In contrast to GCs, MCs are different in morphology, intrinsic electrophysiological properties, afferent input and axonal projections, so their function is likely to be very different from GCs. Why are MCs necessary to the DG? In past studies, the answer has been unclear because MCs not only excite GCs directly but also inhibit them disynaptically, by exciting GABAergic neurons that project to GCs. Results of new studies are discussed that shed light on this issue. These studies take advantage of recently available transgenic mice with Cre recombinase expression mostly in MCs and techniques such as optogenetics and DREADDs (designer receptors exclusively activated by designer drugs). The recent studies also address in vivo behavioral functions of MCs. Some of the results support past hypotheses whereas others suggest new conceptualizations of how the MCs contribute to DG circuitry and function. While substantial progess has been made, additional research is still needed to clarify the characteristics and functions of these unique cells. PMID- 29222694 TI - Preparation and evaluation of decellularized porcine carotid arteries cross linked by genipin: the preliminary results. AB - Decellularized arteries have been considered as promising scaffolds for small diameter vascular substitutes. However, weakened mechanical properties, immunological rejection and rapid degradation after transplantation still exist after decellularization. Previous studies indicated that genipin cross-linking can solve these problems. Therefore, genipin was selected as the cross-linking agent for the pre-treatment of decellularized arteries in our study. Histological analysis, scanning electron microscopy, mechanical properties analysis and subcutaneous embedding experiment were adopted to investigate the efficiency of decellularization and the effect of genipin cross-linking on improving mechanical, structural and biological properties of decellularized arteries. Decellularization protocols based on three trypsin concentrations were used to prepare decellularized arteries, after decellularization, arteries were cross linked with genipin. Results showed that 0.5% trypsin was the most efficient concentration to remove cellular components and preserve ECM. However, mechanical properties of 0.5% trypsin decellularized arteries weakened significantly, while genipin cross-linking improved mechanical properties of decellularized arteries to the same level as fresh arteries. After 4 weeks subcutaneous embedding, cross linked arteries caused the mildest inflammatory response. In conclusion, genipin could be employed as an ideal cross-linking agent to strengthen mechanical properties, enhance the resistance to degradation and reduce the antigenicity of decellularized arteries for small-diameter blood vessel tissue engineering applications. PMID- 29222695 TI - The effects of enhanced attention and working memory on smooth pursuit eye movement. AB - It has long been suggested that increasing attentional demands can alter smooth pursuit eye movements, but the precise nature of the changes generated is not clear. Our goal was to examine smooth pursuit with a task that enhanced attention to the target and that increased demands on working memory, without distracting from the target. 15 subjects tracked a target moving around a predictable circular trajectory at a constant tangential velocity. An n-back task with two levels of additional working memory load was integrated into the pursuit target to increase cognitive demands. In the single-task conditions, subjects either performed pursuit alone or the n-back task with a stationary target. In the dual task conditions, pursuit and the n-back task were performed together. Performance of the n-back tasks was not impaired by simultaneous smooth pursuit. The n-back tasks had negligible effects on horizontal or vertical pursuit gain, but generated increased phase lag and reduced the variability of position error during pursuit. Increasing the difficulty of the n-back task further reduced the variability of position errors. We conclude that enhanced attention does not alter the velocity gain of smooth pursuit but rather improves its consistency. As long as attention remains focused on the target, increased attentional demands further reduce pursuit variability. Increases in phase lag may serve to improve attentional processing of the target. PMID- 29222693 TI - Neuroblastoma pathogenesis: deregulation of embryonic neural crest development. AB - Neuroblastoma (NB) is an aggressive pediatric cancer that originates from neural crest tissues of the sympathetic nervous system. NB is highly heterogeneous both from a clinical and a molecular perspective. Clinically, this cancer represents a wide range of phenotypes ranging from spontaneous regression of 4S disease to unremitting treatment-refractory progression and death of high-risk metastatic disease. At a cellular level, the heterogeneous behavior of NB likely arises from an arrest and deregulation of normal neural crest development. In the present review, we summarize our current knowledge of neural crest development as it relates to pathways promoting 'stemness' and how deregulation may contribute to the development of tumor-initiating CSCs. There is an emerging consensus that such tumor subpopulations contribute to the evolution of drug resistance, metastasis and relapse in other equally aggressive malignancies. As relapsed, refractory disease remains the primary cause of death for neuroblastoma, the identification and targeting of CSCs or other primary drivers of tumor progression remains a critical, clinically significant goal for neuroblastoma. We will critically review recent and past evidence in the literature supporting the concept of CSCs as drivers of neuroblastoma pathogenesis. PMID- 29222696 TI - Thrombomodulin favors leukocyte microvesicle fibrinolytic activity, reduces NETosis and prevents septic shock-induced coagulopathy in rats. AB - BACKGROUND: Septic shock-induced disseminated intravascular coagulation is responsible for increased occurrence of multiple organ dysfunction and mortality. Immunothrombosis-induced coagulopathy may contribute to hypercoagulability. We aimed at determining whether recombinant human thrombomodulin (rhTM) could control exaggerated immunothrombosis by studying procoagulant responses, fibrinolysis activity borne by microvesicles (MVs) and NETosis in septic shock. METHODS: In a septic shock model after a cecal ligation and puncture-induced peritonitis (H0), rats were treated with rhTM or a placebo at H18, resuscitated and monitored during 4 h. At H22, blood was sampled to perform coagulation tests, to characterize MVs and to detect neutrophils extracellular traps (NETs). Lungs were stained with hematoxylin-eosin for inflammatory injury assessment. RESULTS: Coagulopathy was attenuated in rhTM-treated septic rats compared to placebo treated rats, as attested by a significant decrease in procoagulant annexin A5+ MVs and plasma procoagulant activity of phospholipids and by a significant increase in antithrombin levels (84 +/- 8 vs. 64 +/- 6%, p < 0.05), platelet count (582 +/- 157 vs. 319 +/- 91 * 109/L, p < 0.05) and fibrinolysis activity borne by MVs (2.9 +/- 0.26 vs. 0.48 +/- 0.29 U/mL urokinase, p < 0.05). Lung histological injury score showed significantly less leukocyte infiltration. Decreased procoagulant activity and lung injury were concomitant with decreased leukocyte activation as attested by plasma leukocyte-derived MVs and NETosis reduction after rhTM treatment (neutrophil elastase/DNA: 93 +/- 33 vs. 227 +/- 48 and citrullinated histones H3/DNA: 96 +/- 16 vs. 242 +/- 180, mOD for 109 neutrophils/L, p < 0.05). CONCLUSION: Thrombomodulin limits procoagulant responses and NETosis and at least partly restores hemostasis control during immunothrombosis. Neutrophils might thus stand as a promising therapeutic target in septic shock-induced coagulopathy. PMID- 29222697 TI - Clinical implications of rapid ePlex(r) Respiratory Pathogen Panel testing compared to laboratory-developed real-time PCR. AB - Rapid diagnosis of respiratory infections is of great importance for adequate isolation and treatment. Due to the batch-wise testing, laboratory-developed real time polymerase chain reaction (PCR) assays (LDT) often result in a time to result of one day. Here, LDT was compared with rapid ePlex(r) Respiratory Pathogen (RP) Panel testing of GenMark Diagnostics (Carlsbad, CA, USA) with regard to time to result, installed isolation precautions, and antibacterial/antiviral treatment. Between January and March 2017, 68 specimens of 64 patients suspected of an acute respiratory infection were tested with LDT and the ePlex(r) RP panel. The time to result was calculated as the time between sample reception and result reporting. Information regarding isolation and antibacterial/antiviral treatment was obtained from the patient records. Thirty specimens tested LDT positive (47%) and 29 ePlex(r) RP panel positive (45%). The median time to result was 27.1 h (range 6.5-96.6) for LDT versus 3.4 h (range 1.5 23.6) for the RP panel, p-value < 0.001. In 14 out of 30 patients, isolation was discontinued based on the ePlex(r) RP panel results, saving 21 isolation days. ePlex(r) RP panel test results were available approximately one day ahead of the LDT results in the 19 patients receiving antiviral/antibacterial treatment. In addition, two bacterial pathogens, not requested by the physician, were detected using the RP panel. Analysis of respiratory infections with the ePlex(r) RP panel resulted in a significant decrease in time to result, enabling a reduction in isolation days in half of the patients. Furthermore, syndromic RP panel testing increased the identification of causative pathogens. PMID- 29222698 TI - Efficacy evaluation of iclaprim in a neutropenic rat lung infection model with methicillin-resistant Staphylococcus aureus entrapped in alginate microspheres. AB - The objective of this study was to demonstrate the efficacy of iclaprim in a neutropenic rat lung infection model with methicillin-resistant Staphylococcus aureus (MRSA) entrapped in alginate beads. An inoculum of 5.25 * 105 colony forming units (CFU)/mL of S. aureus strain AH1252 was administered intratracheally to rats with prepared alginate bacteria suspensions. Beginning 2 h post-infection, rats received: (1) iclaprim 80 mg/kg (n = 16); (2) iclaprim 60 mg/kg (n = 16), or (3) vancomycin 50 mg/kg (n = 24), for 3 days via subcutaneous (SC) injection every 12 h. Twelve hours after the last treatment, rats were euthanized and lungs collected for CFU determination. Iclaprim administered at 80 mg/kg or 60 mg/kg or vancomycin 50 mg/kg SC twice a day for 3 days resulted in a 6.05 log10 CFU reduction (iclaprim 80 mg/kg compared with control, p < 0.0001), 5.11 log10 CFU reduction (iclaprim 60 mg/kg compared with control, p < 0.0001), and 3.42 log10 CFU reduction, respectively, from the controls (p < 0.0001). Iclaprim 80 mg/kg and 60 mg/kg resulted in 2.59 and 1.69 log10 CFU reductions, respectively, from vancomycin-treated animals (80 mg/kg iclaprim vs. vancomycin, p = 0.0005; 60 mg/kg iclaprim vs. vancomycin, p = 0.07). Animals receiving iclaprim, vancomycin, and controls demonstrated 100%, 91.7%, and 48.3% survival, respectively. In this neutropenic rat S. aureus lung infection model, rats receiving iclaprim demonstrated a greater CFU reduction than the controls or those receiving vancomycin. PMID- 29222699 TI - Dabigatran level monitoring prior to idarucizumab administration in patients requiring emergent cardiac surgery. PMID- 29222700 TI - Perspectives from the Patient and the Healthcare Professional in Multiple Sclerosis: Social Media and Participatory Medicine. AB - When faced with a diagnosis of multiple sclerosis (MS), patients often turn to the Internet and social media to find support groups, read about the experiences of other people affected by MS and seek their advice, and research their condition and treatment options to discuss with their healthcare professionals (HCPs). Here, we examine the use of social media and the Internet among patients with MS, considering its impact on patient empowerment and patient participation in treatment decision-making and MS research. These themes are exemplified with first-hand experiences of the patient author. We also explore the impact of the Internet and social media on the management of patients from the perspective of HCPs, including new opportunities for HCPs to engage in participatory medicine and to improve communication with and among patients. We consider both the benefits afforded to and the potential pitfalls faced by HCPs when interacting with their patients via these routes, and discuss potential concerns around privacy and confidentiality in the use of the Internet and social media in the clinical context. Communication online is driving the evolution of the patient HCP relationship, and is empowering patients to participate more actively in the decision-making process relating to the provision of their health care. Funding Novartis Pharmaceuticals Corporation. PMID- 29222701 TI - SNF5 as a prognostic factor in skull base chordoma. AB - The current study aimed to characterize SNF5 expression and investigate the relationship between SNF5 and clinicopathological features in skull base chordoma. 48 patients diagnosed with skull base chordoma were enrolled in this study. Tissue microarray and immunohistochemistry were performed to evaluate the expression of SNF5 in skull base chordoma. Kaplan-Meier survival analysis was used to assess survival. Multivariable Cox regression analysis was used to identify risk factors affecting patient survival. The H-scores for cytoplasmic SNF5 ranged from 124.47 to 254.52. Low expression of SNF5 was correlated with shorter overall survival (OS) (p = 0.021). Patients with age > 55 years old had shorter progression free survival (PFS) and OS times than patients whose age <= 55 years old (p = 0.005 and 0.003, respectively). The gross total resection group showed longer PFS than the non-gross total resection group (p = 0.024). Females showed shorter PFS times than males (p = 0.033). Multivariable Cox regression analysis showed that age, extent of resection and sex were independent prognostic factors for PFS (p = 0.010, 0.013 and 0.042, respectively). Age was an independent prognostic factor for OS (p = 0.010). Our study indicate that low expression of SNF5 is associated with poor prognosis in skull base chordoma. PMID- 29222702 TI - Molecular insights into the non-recombining nature of the spinach male determining region. AB - Spinach (Spinacia oleracea L.) is a dioecious plant with male heterogametic sex determination and homomorphic sex chromosomes (XY). The dioecism is utilized for producing commercial hybrid seeds, and hence understanding the molecular-genetic basis of the species' sex determining locus is an important issue for spinach breeding. In this study, seven dominant DNA markers were shown to completely co segregate with the male-determining gene in segregating spinach populations comprising > 1500 plants. In addition, these seven dominant DNA markers were completely associated with the male-determining gene in over 100 spinach germplasm accessions and cultivars. These observations suggest that, in spinach, a Y-chromosomal region around the male-determining locus does not (or almost not) recombine with a counterpart region on the X chromosome. Using five of the seven DNA markers, five bacterial artificial chromosome (BAC) clone contigs with a total length of approximately 690 kbp were constructed. Full sequencing of six representative BAC clones (total insert length 504 kbp) from the five contigs and a transcriptome analysis by RNA-seq revealed that the Y-chromosomal region around the male-determining locus contains large amounts of repetitive elements, suggesting that the region might be poor in gene content. Most of the repeats found in this region are novel Ty1-copia-like and its derivative elements that accumulate predominantly in heterochromatic regions. Our findings may provide valuable insight into spinach genome structure and clues for future research into the evolution of the sex determining locus. PMID- 29222703 TI - Relationship between self-reported cognitive function and work-related outcomes in breast cancer survivors. AB - PURPOSE: This study examined the relationship between perceived cognitive function including perceived cognitive impairment (PCI) and perceived cognitive ability (PCA) and work ability, work performance, work productivity, and intention to leave employment in breast cancer survivors (BCS). METHODS: A cross sectional study design was used in the study. Employed BCS completed questionnaires assessing PCI and PCA (Functional Assessment of Cancer Therapy Cognitive-3); emotional work demands (Self-Focused Emotional Labor Scale); and work ability index (WAI), work performance, work productivity (Work Limitations Questionnaire (WLQ), and intention to turnover. Separate regression models examined the relationship between PCI and PCA and work-related outcomes. RESULTS: Participants were 68 employed female BCS who were on average 52 (SD = 8.6) years old and 5 (SD = 3.8) years post-treatment with majority working full time. PCI was associated with poorer work ability (B = - 0.658), work performance (time-B = 0.647, physical-B = - 0.414, and mental-B = 0.689), and work productivity (B = 0.731), but not intent to leave work. PCA was related to higher levels of work ability (B = 0.472), work performance (time-B = - 0.462 and mental-B = - 0.453), and work productivity (beta = - 0.494), but not physical demands or intent to turnover. CONCLUSIONS: Employed BCS with negative perceptions of cognitive function reported poorer work outcomes with the exception of the intent to leave employment. In contrast, positive views of one's cognitive abilities were related to improved ratings of work outcomes again with the exception of intent to leave employment. IMPLICATIONS FOR CANCER SURVIVORS: Healthcare providers need to assess and address perceived cognitive functioning to promote work-related outcomes in BCS. PMID- 29222704 TI - Healthcare system barriers to long-term follow-up for adult survivors of childhood cancer in British Columbia, Canada: a qualitative study. AB - PURPOSE: Risk-stratified life-long follow-up care is recommended for adult childhood cancer survivors (CCS) to ensure appropriate prevention, screening, and management of late effects. The identification of barriers to long-term follow-up (LTFU), particularly in varying healthcare service contexts, is essential to develop and refine services that are responsive to survivor needs. We aimed to explore CCS and healthcare professionals (HCP) perspectives of healthcare system factors that function as barriers to LTFU in British Columbia, Canada. METHODS: We analyzed data from 43 in-depth interviews, 30 with CCS and 13 with HCP, using qualitative thematic analysis and constant comparative methods. RESULTS: Barriers to accessible, comprehensive, quality LTFU were associated with the following: (1) the difficult and abrupt transition from pediatric to adult health services, (2) inconvenient and under-resourced health services, (3) shifting patient-HCP relationships, (4) family doctor inadequate experience with late effects management, and (5) overdue and insufficient late effects communication with CCS. CONCLUSIONS: Structural, informational, and interpersonal/relational healthcare system factors often prevent CCS from initially accessing LTFU after discharge from pediatric oncology programs as well as adversely affecting engagement in ongoing screening, surveillance, and management of late effects. IMPLICATIONS FOR CANCER SURVIVORS: Understanding the issues faced by adult CCS will provide insight necessary to developing patient-centered healthcare solutions that are key to accessible, acceptable, appropriate, and effective healthcare. PMID- 29222705 TI - Tai Chi and Qigong for cancer-related symptoms and quality of life: a systematic review and meta-analysis. AB - PURPOSE: This study aims to summarize and critically evaluate the effects of Tai Chi and Qigong (TCQ) mind-body exercises on symptoms and quality of life (QOL) in cancer survivors. METHODS: A systematic search in four electronic databases targeted randomized and non-randomized clinical studies evaluating TCQ for fatigue, sleep difficulty, depression, pain, and QOL in cancer patients, published through August 2016. Meta-analysis was used to estimate effect sizes (ES, Hedges' g) and publication bias for randomized controlled trials (RCTs). Methodological bias in RCTs was assessed. RESULTS: Our search identified 22 studies, including 15 RCTs that evaluated 1283 participants in total, 75% women. RCTs evaluated breast (n = 7), prostate (n = 2), lymphoma (n = 1), lung (n = 1), or combined (n = 4) cancers. RCT comparison groups included active intervention (n = 7), usual care (n = 5), or both (n = 3). Duration of TCQ training ranged from 3 to 12 weeks. Methodological bias was low in 12 studies and high in 3 studies. TCQ was associated with significant improvement in fatigue (ES = - 0.53, p < 0.001), sleep difficulty (ES = - 0.49, p = 0.018), depression (ES = - 0.27, p = 0.001), and overall QOL (ES = 0.33, p = 0.004); a statistically non-significant trend was observed for pain (ES = - 0.38, p = 0.136). Random effects models were used for meta-analysis based on Q test and I 2 criteria. Funnel plots suggest some degree of publication bias. Findings in non-randomized studies largely paralleled meta-analysis results. CONCLUSIONS: Larger and methodologically sound trials with longer follow-up periods and appropriate comparison groups are needed before definitive conclusions can be drawn, and cancer- and symptom-specific recommendations can be made. IMPLICATIONS FOR CANCER SURVIVORS: TCQ shows promise in addressing cancer-related symptoms and QOL in cancer survivors. PMID- 29222706 TI - Acute Toxicity of Fresh and Aged Residues of Pesticides to the Parasitoid Tamarixia radiata and to the HLB-Bacteria Vector Diaphorina citri. AB - One method for controlling the Asian citrus psyllid (ACP) Diaphorina citri Kuwayama, the vector of the putative causal agent of Huanglongbing, uses the parasitoid Tamarixia radiata (Waterston). However, the general intensive use of insecticides has reduced the numbers of this parasitoid. This study evaluated the effect of the residual action of 24 insecticides on T. radiata and also determined the differential toxicity of insecticides to D. citri and T. radiata, using three bioassays. In the first, when adults of the parasitoid were exposed to residues of the 24 insecticides, ten were considered short-life (class 1), six slightly persistent (class 2), five moderately persistent (class 3), and three insecticides were considered persistent (class 4), under the IOBC/WPRS classification system. The second bioassay evaluated the sublethal concentrations of the persistent insecticides (formetanate, dimethoate, spinosad). Increasing the concentrations of the insecticides increased the number that were classified as persistent. In the third bioassay, evaluation of the differential toxicity of eight insecticides to the ACP and the parasitoid showed that chlorpyrifos and bifenthrin were more harmful to T. radiata. Therefore, these two insecticides are not recommended for application at the time of parasitoid release. Cypermethrin, imidacloprid, and dimethoate caused higher mortality of D. citri and are most often recommended in IPM programs. The choice of an insecticide for the control of citrus pests must be made with care, aiming to preserve the natural enemies in the ecosystem, and thereby contribute to the success of biological control. PMID- 29222708 TI - Correction to: Effect of renal transplantation on cognitive function in hemodialysis patients: a longitudinal study. AB - In the original publication, the second author's affiliation was incorrectly published as "Department of Physiology, RAK College of Medical Sciences, Ras Al Khaimah, UAE". The correct affiliation should read as "Visiting Academic, Basic Medical Sciences Department, College of Medicine, University of Sharjah (UAE)". PMID- 29222707 TI - Quantitative 3D scintigraphy shows increased muscular uptake of pyrophosphate in idiopathic inflammatory myopathy. AB - BACKGROUND: Nuclear imaging is increasingly being used in the diagnostic work-up of idiopathic inflammatory myopathy (IIM). Increased muscular uptake of technetium-99m-pyrophosphate (99mTc-PYP) has hitherto been assessed qualitatively by planar scintigraphy. We set out to perform quantitative tomographic scintigraphy in IIM. RESULTS: Ninety IIM patients and 48 control subjects underwent 99mTc-PYP single-photon emission computed tomography (SPECT)/CT of the upper and lower body. Scans were evaluated visually by an intensity score (1-4) and quantitatively by the mean standardized uptake value (SUVmean) in thigh muscles after semi-automated segmentation of these. Furthermore, a SUVmean gradient down along the thighs was determined by linear regression of the slice by-slice activity. Interobserver analyses were performed on qualitative evaluations. Compared to controls, patients more often had a high intensity score (p < 0.0001), but interobserver analyses revealed only moderate agreement. The thigh muscular 99mTc-PYP activity (SUVmean) was 60% higher in patients than in controls, p < 0.0001, albeit with a wide range. There was an activity gradient down the thigh muscle, the proximal tracer uptake being highest, and this gradient was steeper in patients than in controls; the activity decreased by 0.00024 and 0.00010 SUVmean mm-1, respectively, along the thighs. CONCLUSIONS: The muscular uptake of 99mTc-PYP was significantly higher in patients than in healthy controls by qualitative and quantitative assessment. The tracer uptake was higher in the proximal than in the distal part of the thigh muscle, and SUVmean gradients differed between groups. Hence, tomographic nuclear imaging allowing for quantification of the 99mTc-PYP uptake might contribute to the diagnosis of IIM, and SPECT/CT of the lower body might suffice. PMID- 29222710 TI - Assessment of Sulphate and Iron Contamination and Seasonal Variations in the Water Resources of a Damodar Valley Coalfield, India: A Case Study. AB - The aim of the present study was to assess the sulphate [Formula: see text] and iron (Fe) contamination and seasonal variations in the water resources (groundwater, surface water, and mine water) of the West Bokaro coalfield region, India. One hundred and twenty-four water resources samples were collected from the coalfield during the post- and pre-monsoon seasons. The concentrations of [Formula: see text] were determined using ion chromatography and Fe concentrations were analyzed using inductively coupled plasma mass spectrometry. A statistical analysis was used to easily understand the seasonal variations of the elements in the water resources of the area. The concentrations of [Formula: see text] and Fe in the water resources were higher in the pre-monsoon season than in the post-monsoon season, irrespective of location. The water resources of the coalfield were contaminated with high concentrations of [Formula: see text] and Fe, and would require suitable treatment before drinking, domestic and industrial uses. PMID- 29222709 TI - Successful Treatment of Canine Sporotrichosis with Terbinafine: Case Reports and Literature Review. AB - Sporotrichosis occurs worldwide, and the metropolitan region of Rio de Janeiro, Brazil, is a main endemic area, with a large number of human and animal cases in the last 19 years. This mycosis is more frequently described in cats rather than in dogs. There are a limited number of oral antifungal agents for the treatment of sporotrichosis in animals. In this context, the effectiveness of terbinafine in the treatment of sporotrichosis in humans, as well as the promising results of in vitro susceptibility tests, inspired us to use this drug in the therapy of this mycosis in dogs. We reported for the first time the use of terbinafine in the treatment of two dogs with sporotrichosis caused by Sporothrix brasiliensis. Moreover, we provided an overview of therapeutic features of canine sporotrichosis cases reported since the 1960s. One of the dogs presented the fixed cutaneous form of the disease, while the other patient presented hyperemia of the nasal mucosa and respiratory signs only. Terbinafine showed high antifungal activity in vitro against the canine Sporothrix isolates. The dogs were successfully treated with terbinafine, with remission of all clinical signs initially presented. The current reports indicate that this drug can emerge as a therapeutic option for canine sporotrichosis. PMID- 29222711 TI - OGRO survey on radiotherapy capacity in Austria : Status quo and estimation of future demands. AB - BACKGROUND: A comprehensive evaluation of the current national and regional radiotherapy capacity in Austria with an estimation of demands for 2020 and 2030 was performed by the Austrian Society for Radiation Oncology, Radiobiology and Medical Radiophysics (OGRO). MATERIALS AND METHODS: All Austrian centers provided data on the number of megavoltage (MV) units, treatment series, fractions, percentage of retreatments and complex treatment techniques as well as the daily operating hours for the year 2014. In addition, waiting times until the beginning of radiotherapy were prospectively recorded over the first quarter of 2015. National and international epidemiological prediction data were used to estimate future demands. RESULTS: For a population of 8.51 million, 43 MV units were at disposal. In 14 radiooncological centers, a total of 19,940 series with a mean number of 464 patients per MV unit/year and a mean fraction number of 20 (range 16-24) per case were recorded. The average re-irradiation ratio was 14%. The survey on waiting times until start of treatment showed provision shortages in 40% of centers with a mean waiting time of 13.6 days (range 0.5-29.3 days) and a mean maximum waiting time of 98.2 days. Of all centers, 21% had no or only a limited ability to deliver complex treatment techniques. Predictions for 2020 and 2030 indicate an increased need in the overall number of MV units to a total of 63 and 71, respectively. CONCLUSION: This OGRO survey revealed major regional differences in radiooncological capacity. Considering epidemiological developments, an aggravation of the situation can be expected shortly. This analysis serves as a basis for improved public regional health care planning. PMID- 29222713 TI - Comparative analysis of lactic acidosis induced by linezolid and vancomycin therapy using cohort and case-control studies of incidence and associated risk factors. AB - PURPOSE: Lactic acidosis is a rare complication of linezolid (LZD) therapy, and its incidence and risk factors remain unknown. This study aimed to compare the incidence of LZD-associated lactic acidosis (LALA) and vancomycin (VAN) associated lactic acidosis (VALA) and investigate the risk factors for LALA. METHODS: We performed a retrospective cohort study using propensity score-matched analyses comparing the incidence of lactic acidosis between LZD and VAN therapy. We included adult patients administered LZD or VAN between April 2014 and March 2016 and extracted patient baseline data. In a case-control study, we identified the risk factors of lactic acidosis in patients treated with LZD. RESULTS: We identified 94 and 313 patients who were administered LZD and VAN, respectively. The incidence of lactic acidosis after LZD and VAN therapy was 10.6 and 0.3%, respectively. After propensity score-matched analyses, the incidence of lactic acidosis with LZD therapy was significantly higher than that with VAN therapy [10.0% (8/80) vs. 0% (0/80), respectively; risk difference, 0.1; 95% confidence interval (CI), 0.03-0.17; p = 0.004]. In a case-control study, 10 patients with LALA were matched to 20 non-lactic acidosis patients by age and sex. Patients with LALA were more likely to have renal insufficiency than non-lactic acidosis patients that were in the univariate analysis (odds ratio, 7.4; 95% CI, 1.0-84.4; p = 0.02). CONCLUSIONS: This study indicates that LALA occurs more frequently than VALA does and is associated with renal insufficiency. Therefore, close monitoring of kidney function and serum lactate is recommended during LZD therapy. PMID- 29222712 TI - Categorization and association analysis of risk factors for adverse drug events. AB - PURPOSE: Adverse drug events (ADE) are among the leading causes of morbidity and hospitalization. This review analyzes risk factors for ADE, particularly their categorizations and association patterns, the prevalence, severity, and preventability of ADE, and method characteristics of reviewed studies. METHODS: Literature search was conducted via PubMed, Science Direct, CINAHL, and MEDLINE. A review was conducted of research articles that reported original data about specific risk factors for ADE since 2000. Data analyses were performed using Excel and R. RESULTS: We summarized 211 risk factors for ADE, and grouped them into five main categories: patient-, disease-, medication-, health service-, and genetics-related. Among them, medication- and disease-related risk factors were most frequently studied. We further classified risk factors within each main category into subtypes. Among them, polypharmacy, age, gender, central nervous system agents, comorbidity, service utilization, inappropriate use/change use of drugs, cardiovascular agents, and anti-infectives were most studied subtypes. An association analysis of risk factors uncovered many interesting patterns. The median prevalence, preventability, and severity rate of reported ADE was 19.5% (0.29%~86.2%), 36.2% (2.63%~91%), and 16% (0.01%~47.4%), respectively. CONCLUSIONS: This review introduced new categories and subtypes of risk factors for ADE. The broad and in-depth coverage of risk factors and their association patterns elucidate the complexity of risk factor analysis. Managing risk factors for ADE is crucial for improving patient safety, particularly for the elderly, comorbid, and polypharmacy patients. Some under-explored risk factors such as genetics, mental health and wellness, education, lifestyle, and physical environment invite future research. PMID- 29222714 TI - Domperidone prolongs oral to duodenal transit time in video capsule endoscopy. AB - PURPOSE: Domperidone is thought to accelerate gastric emptying via D2 receptor antagonism at the gastro-oesophageal and gastro-duodenal junctions. Listed in the BNF as a prokinetic anti-emetic, it has been used in video capsule endoscopy (VCE) to accelerate capsule delivery to the small intestine. We audited VCEs performed at UHCW from 2011, when as standard practice, domperidone was given pre VCE, to 2012, after its discontinuation due to doubts about its effectiveness. METHODS: Thirty-one patients received oral domperidone 20 mg pre-VCE. Thirty three patients underwent VCE without domperidone pre-treatment. After 2 h, if the capsule remained intra-gastric, gastroscopy-assisted duodenal delivery was performed. Data was analysed using Mann-Whitney testing. RESULTS: Median oro duodenal transit was 13 and 30 min in the untreated and domperidone groups, respectively (p = 0.01). Median oro-caecal transit was 242 and 267 min in the untreated and domperidone groups, respectively (p = 0.02). No difference in duodenal-caecal transit was seen (p = 0.60). Six percent of untreated and 13% of domperidone VCEs required gastroscopy-assisted duodenal capsule delivery (p = 0.65). CONCLUSIONS: Unexpectedly domperidone delayed VCE gastric transit. Most studies on domperidone prokinetic effects have been in diabetic gastroparesis, demonstrating that domperidone can achieve good symptomatic relief, but with mixed results for gastric emptying. Our study suggests that any antiemetic effects of domperidone are not mediated through accelerated gastric transit. PMID- 29222716 TI - Childhood acute disseminated encephalomyelitis: an Egyptian pilot study. AB - Describing the variable clinical features, laboratory findings, neuroimaging findings, and treatments given to children who presented with ADEM and following them up both clinically and radiologically. 21 patients were recruited: 14 new cases, and 7 old ones presenting over the preceding 5 years (retrospective review of existing data). 11 males and 10 females, with a mean age of 4.4 years +/- 2.7 SD, were included. All new patients were subject to full history, examination and a panel of investigations including MRI of the brain. Treatment was given in the form of pulsed methyl prednisolone or intravenous immunoglobulin (IVIG), followed by clinical and radiological follow-up every 3 months as needed. 11 cases occurred in spring, 8 post vaccine, of which 5 were after oral polio vaccine (OPV). MRI was done for all 21 patients and was abnormal in all of them, CT was done in only 10 patients as was normal in 9. Hyponatremia was seen in 11 patients. All patients who received corticosteroids showed prompt improvement. 6 out of 10 patients who received IVIG first failed treatment. Of the 17 treated patients, 10 had no sequelae and 10 had total lesion resolution on MRI at 3 months, versus 1 and 0 patients, respectively, in the untreated group. We found a disproportionately large number of post vaccination cases, especially after OPV. The association of ADEM with hyponatremia needs further study. MRI is central to diagnosis. Outcome is much better with treatment with steroids being far superior to IVIG. Excess use of IVIG should be discouraged. PMID- 29222715 TI - Clinical validation study of dried blood spot for determining everolimus concentration in patients with cancer. AB - PURPOSE: Everolimus treatment is seriously hampered by its toxicity profile. As a relationship between everolimus exposure and effectiveness and toxicity has been established, early and ongoing concentration measurement can be key to individualize the dose and optimize treatment outcomes. Dried blood spot (DBS) facilitates sampling at a patients' home and thereby eases dose individualization. The aim of this study is to determine the agreement and predictive performance of DBS compared to whole blood (WB) to measure everolimus concentrations in cancer patients. METHODS: Paired DBS and WB samples were collected in 22 cancer patients treated with everolimus and analyzed using UPLC MS/MS. Bland-Altman and Passing-Bablok analysis were used to determine method agreement. Limits of clinical relevance were set at a difference of +/- 25%, as this would lead to a different dosing advice. Using DBS concentration and Passing Bablok regression analysis, WB concentrations were predicted. RESULTS: Samples of 20 patients were suitable for analysis. Bland-Altman analysis showed a mean ratio of everolimus WB to DBS concentrations of 0.90, with 95% of data points within limits of clinical relevance. Passing-Bablok regression of DBS compared to WB revealed no constant bias (intercept 0.02; 95% CI 0.93-1.35) and a small proportional bias (slope 0.89; 95% CI 0.76-0.99). Predicted concentrations showed low bias and imprecision and 90% of samples had an absolute percentage prediction error of < 20%. CONCLUSIONS: DBS is a valid method to determine everolimus concentrations in cancer patients. This can especially be of value for early recognition of over- or underexposure to enable dose adaptations. PMID- 29222717 TI - Correction to: Peak stresses shift from femoral tunnel aperture to tibial tunnel aperture in lateral tibial tunnel ACL reconstructions: a 3D graft-bending angle measurement and finite-element analysis. AB - Unfortunately, one of the co-author's name was missed in the original online publication of this article. The name should be included as sixth author in the author group. PMID- 29222718 TI - Treatment of stress urinary incontinence with a mobile app: factors associated with success. AB - INTRODUCTION AND HYPOTHESIS: Stress urinary incontinence is common among women. First-line treatment includes pelvic floor muscle training (PFMT) and lifestyle advice, which can be provided via a mobile app. The efficacy of app-based treatment has been demonstrated in a randomized controlled trial (RCT). In this study, we aimed to analyze factors associated with successful treatment. METHODS: Secondary analysis of data from the RCT. At baseline and 3-month follow-up, participants (n = 61) answered questions about symptoms, quality of life, background, and PFMT. Success was defined as rating the condition as much or very much better according to the validated Patient Global Impression of Improvement questionnaire. Factors possibly associated with success were analyzed with univariate logistic regression; if p < 0.20, the factor was entered into a multivariate model that was adjusted for age. Variables were then removed stepwise. RESULTS: At follow-up, 34 out of 61 (56%) of participants stated that their condition was much or very much better. Three factors were significantly associated with success: higher expectations for treatment (odds ratio [OR] 11.38, 95% confidence interval [CI] 2.02-64.19), weight control (OR 0.44 per kg gained, 95% CI 0.25-0.79), and self-rated improvement of pelvic floor muscle strength (OR 35.54, 95% CI 4.96-254.61). Together, these factors accounted for 61.4% (Nagelkerke R2) of the variability in success. CONCLUSION: These results indicate that app-based treatment effects are better in women who are interested in and have high expectations of such treatment. Also, the findings underline the importance of strengthening the pelvic floor muscles and offering lifestyle advice. PMID- 29222719 TI - Longevity of visual improvements following transcorneal electrical stimulation and efficacy of retreatment in three individuals with retinitis pigmentosa. AB - PURPOSE: A small-scale randomized controlled trial conducted by our group found that four of seven retinitis pigmentosa (RP) subjects who received six weekly Transcorneal Electrical Stimulation (TES) sessions developed significant improvements in visual acuity (VA), quick contrast sensitivity function (qCSF), and/or Goldmann visual fields (GVF). We longitudinally monitored three of these participants for declining visual function due to natural RP progression to determine the duration of their responses and administered retreatments. METHODS: Over a period of 29-35 months, repeated ETDRS VA, qCSF and/or GVF tests and three to six TES treatment courses consisting of six weekly sessions were administered in each eye of three RP participants every four to 16 months in an unmasked, prospective case series study. RESULTS: For two participants, there were significant VA improvements of 44-52 letters (0.88-1.04 logMAR) and 15-23 letters (0.3-0.46 logMAR) in the worse eye at baseline after each of three or four treatment courses of TES compared to initial baseline. They had no significant decreases from baseline for VA or qCSF over 29 to 35 months, The third participant had a significant mean improvement in VA in the eye with better baseline vision (p = 0.004) and binocularly (p < 0.001) following six treatment courses over the 29-month period. For the first two participants, mean annual rates of GVF change for each eye ranged from -5% to 0% with the V4e stimulus, and -26% to +33% the III4e stimulus. The third participant's mean annual GVF changes were +14 to +35%, with a statistically significant improvement across 29 months for both the V4e and III4e stimuli in the right eye (p = 0.045; p = 0.015) and the V4e stimulus in the left eye (p = 0.047). CONCLUSION: Following encouraging visual improvements after TES that lasted for several months, it appears it may be possible to restore and prevent slowly diminishing vision over time with retreatments, which requires confirmation in a large-scale randomized controlled trial. PMID- 29222720 TI - Reproductive ecology of a parasitic plant differs by host species: vector interactions and the maintenance of host races. AB - Parasitic plants often attack multiple host species with unique defenses, physiology, and ecology. Reproductive phenology and vectors of parasitic plant genes (pollinators and dispersers) can contribute to or erode reproductive isolation of populations infecting different host species. We asked whether desert mistletoe, Phoradendron californicum (Santalaceae tribe Visceae syn. Viscaceae), differs ecologically across its dominant leguminous hosts in ways affecting reproductive isolation. Parasite flowering phenology on one host species (velvet mesquite, Prosopis velutina) differed significantly from that on four others, and phenology was not predicted by host species phenology or host individual. Comparing mistletoe populations on mesquite and another common host species (catclaw acacia, Senegalia greggii) for which genetically distinct host races are known, we tested for differences in interactions with vectors by quantifying pollinator visitation, reward production, pollen receipt, and fruit consumption. Mistletoes on mesquite produced more pollinator rewards per flower (1.86 times the nectar and 1.92 times the pollen) and received ~ 2 more pollen grains per flower than those on acacia. Mistletoes on the two host species interacted with distinct but overlapping pollinator communities, and pollinator taxa differed in visitation according to host species. Yet, mistletoes of neither host showed uniformly greater reproductive success. Fruit set (0.70) did not differ by host, and the rates of fruit ripening and removal differed in contrasting ways. Altogether, we estimate strong but asymmetric pre-zygotic isolating barriers between mistletoes on the two hosts. These host-associated differences in reproduction have implications for interactions with mutualist vectors and population genetic structure. PMID- 29222721 TI - Are the adverse effects of stressors on amphibians mediated by their effects on stress hormones? AB - Adverse effects of anthropogenic changes on biodiversity might be mediated by their impacts on the stress response of organisms. To test this hypothesis, we crossed exposure to metyrapone, a synthesis inhibitor of the stress hormone corticosterone, with exposure to the herbicide atrazine and the fungal pathogen Batrachochytrium dendrobatidis (Bd) to assess whether the effects of these stressors on tadpoles and post-metamorphic frogs were mediated by corticosterone. Metyrapone countered atrazine- and Bd-induced corticosterone elevations. However, atrazine- and Bd-induced reductions in body size were not mediated by corticosterone because they persisted despite metyrapone exposure. Atrazine lowered Bd abundance without metyrapone but increased Bd abundance with metyrapone for tadpoles and frogs. In contrast, atrazine reduced tolerance of Bd infections because frogs exposed to atrazine as tadpoles had reduced growth with Bd compared to solvent controls; this effect was not countered by metyrapone. Our results suggest that the adverse effects of atrazine and Bd on amphibian growth, development, and tolerance of infection are not mediated primarily by corticosterone. A possible mechanism for these effects is energy lost from atrazine detoxification, defense against Bd, or repair from damage caused by atrazine and Bd. Additional studies are needed to evaluate how often the effects of anthropogenic stressors are mediated by stress hormones. PMID- 29222722 TI - Binaural auditory beats affect long-term memory. AB - The presentation of two pure tones to each ear separately with a slight difference in their frequency results in the perception of a single tone that fluctuates in amplitude at a frequency that equals the difference of interaural frequencies. This perceptual phenomenon is known as binaural auditory beats, and it is thought to entrain electrocortical activity and enhance cognition functions such as attention and memory. The aim of this study was to determine the effect of binaural auditory beats on long-term memory. Participants (n = 32) were kept blind to the goal of the study and performed both the free recall and recognition tasks after being exposed to binaural auditory beats, either in the beta (20 Hz) or theta (5 Hz) frequency bands and white noise as a control condition. Exposure to beta-frequency binaural beats yielded a greater proportion of correctly recalled words and a higher sensitivity index d' in recognition tasks, while theta-frequency binaural-beat presentation lessened the number of correctly remembered words and the sensitivity index. On the other hand, we could not find differences in the conditional probability for recall given recognition between beta and theta frequencies and white noise, suggesting that the observed changes in recognition were due to the recollection component. These findings indicate that the presentation of binaural auditory beats can affect long-term memory both positively and negatively, depending on the frequency used. PMID- 29222723 TI - Respiration-coupled rhythms in prefrontal cortex: beyond if, to when, how, and why. PMID- 29222724 TI - Nasal respiration entrains delta-frequency oscillations in the prefrontal cortex and hippocampus of rodents. PMID- 29222725 TI - Taming the oscillatory zoo in the hippocampus and neo-cortex: a review of the commentary of Lockmann and Tort on Roy et al. PMID- 29222726 TI - Non-auditory, electrophysiological potentials preceding dolphin biosonar click production. AB - The auditory brainstem response to a dolphin's own emitted biosonar click can be measured by averaging epochs of the instantaneous electroencephalogram (EEG) that are time-locked to the emitted click. In this study, averaged EEGs were measured using surface electrodes placed on the head in six different configurations while dolphins performed an echolocation task. Simultaneously, biosonar click emissions were measured using contact hydrophones on the melon and a hydrophone in the farfield. The averaged EEGs revealed an electrophysiological potential (the pre auditory wave, PAW) that preceded the production of each biosonar click. The largest PAW amplitudes occurred with the non-inverting electrode just right of the midline-the apparent side of biosonar click generation-and posterior of the blowhole. Although the source of the PAW is unknown, the temporal and spatial properties rule out an auditory source. The PAW may be a neural or myogenic potential associated with click production; however, it is not known if muscles within the dolphin nasal system can be actuated at the high rates reported for dolphin click production, or if sufficiently coordinated and fast motor endplates of nasal muscles exist to produce a PAW detectable with surface electrodes. PMID- 29222727 TI - A method for facilitating the seed germination of a mycoheterotrophic orchid, Gastrodia pubilabiata, using decomposed leaf litter harboring a basidiomycete fungus, Mycena sp. AB - BACKGROUND: Mycoheterotrophic plants are one of the most difficult plant groups to conserve because they are entirely dependent on symbiotic fungi. Establishment of viable culture systems would greatly aid their conservation. We describe a simple culture system for the mycoheterotrophic orchid, Gastrodia pubilabiata, that does not require laboratory facilities. The orchid is symbiotic with leaf litter-decomposing fungi. RESULTS: Gastrodia pubilabiata seeds were incubated in plastic boxes or glass bottles filled with leaf litter collected from the natural habitat of the species. Seed germination was observed after 35 days and seedling development followed. Fungal isolates from seedlings were identified as Mycenaceae (Basidiomycota), a leaf-litter-decomposing mycorrhizal fungus of Gastrodia species. CONCLUSION: Our method can be used to conserve endangered mycoheterotrophic plants associated with leaf litter-decomposing fungi efficiently, and can also serve as a model system for physiological and molecular studies of such plants. PMID- 29222728 TI - Fetal Electrocardiogram Extraction and Analysis Using Adaptive Noise Cancellation and Wavelet Transformation Techniques. AB - Birth defect-related demise is mainly due to congenital heart defects. In the earlier stage of pregnancy, fetus problem can be identified by finding information about the fetus to avoid stillbirths. The gold standard used to monitor the health status of the fetus is by Cardiotachography(CTG), cannot be used for long durations and continuous monitoring. There is a need for continuous and long duration monitoring of fetal ECG signals to study the progressive health status of the fetus using portable devices. The non-invasive method of electrocardiogram recording is one of the best method used to diagnose fetal cardiac problem rather than the invasive methods.The monitoring of the fECG requires development of a miniaturized hardware and a efficient signal processing algorithms to extract the fECG embedded in the mother ECG. The paper discusses a prototype hardware developed to monitor and record the raw mother ECG signal containing the fECG and a signal processing algorithm to extract the fetal Electro Cardiogram signal. We have proposed two methods of signal processing, first is based on the Least Mean Square (LMS) Adaptive Noise Cancellation technique and the other method is based on the Wavelet Transformation technique. A prototype hardware was designed and developed to acquire the raw ECG signal containing the mother and fetal ECG and the signal processing techniques were used to eliminate the noises and extract the fetal ECG and the fetal Heart Rate Variability was studied. Both the methods were evaluated with the signal acquired from a fetal ECG simulator, from the Physionet database and that acquired from the subject. Both the methods are evaluated by finding heart rate and its variability, amplitude spectrum and mean value of extracted fetal ECG. Also the accuracy, sensitivity and positive predictive value are also determined for fetal QRS detection technique. In this paper adaptive filtering technique uses Sign sign LMS algorithm and wavelet techniques with Daubechies wavelet, employed along with de noising techniques for the extraction of fetal Electrocardiogram.Both the methods are having good sensitivity and accuracy. In adaptive method the sensitivity is 96.83, accuracy 89.87, wavelet sensitivity is 95.97 and accuracy is 88.5. Additionally, time domain parameters from the plot of heart rate variability of mother and fetus are analyzed. PMID- 29222730 TI - Morphology and morphometry of lacrimal drainage system in relation to bony landmarks in Caucasian adults: a cadaveric study. AB - PURPOSE: The objective of this study is to examine the morphometry of the lacrimal drainage system with reference to bony landmarks in the vicinity. METHODS: Twenty midsaggitalized heads obtained from sixteen preserved cadavers were studied. Measurements involved detailed morphometry of anterior and posterior lacrimal crests, bony lacrimal sac fossa, entrance and length of the bony nasolacrimal duct (NLD), attachment of Horner's muscle, and characteristics of the inferior meatal opening of the NLD. RESULTS: The mean lengths of anterior and posterior lacrimal crests were 16.3 and 12.5 mm, respectively. At the midpoint of the posterior lacrimal crest, Horner's muscle was found to be attached at a mean of 1.3 mm posterior to the crest. The mean dimensions of the bony lacrimal sac fossa at superior, mid and inferior levels were 6.5, 8.7, and 5.9 mm, respectively. The mean contribution of the lacrimal bone to the lacrimal sac fossa was 56.2%. The mean anteroposterior and transverse diameters of the entrance of the bony NLD were 5.7 and 4.7 mm, respectively. The most common type of NLD opening in the inferior meatus was that of "vertical sulcus" (70%, 14/20). The mean distance of the NLD opening from the anterior nasal spine and Limen nasi were 22.2 and 18.9 mm, respectively. CONCLUSION: This study provides useful anatomical and positional relationship of bony lacrimal landmarks and nasolacrimal duct in Caucasian adults. PMID- 29222729 TI - Coding of time-dependent stimuli in homogeneous and heterogeneous neural populations. AB - We compare the information transmission of a time-dependent signal by two types of uncoupled neuron populations that differ in their sources of variability: i) a homogeneous population whose units receive independent noise and ii) a deterministic heterogeneous population, where each unit exhibits a different baseline firing rate ('disorder'). Our criterion for making both sources of variability quantitatively comparable is that the interspike-interval distributions are identical for both systems. Numerical simulations using leaky integrate-and-fire neurons unveil that a non-zero amount of both noise or disorder maximizes the encoding efficiency of the homogeneous and heterogeneous system, respectively, as a particular case of suprathreshold stochastic resonance. Our findings thus illustrate that heterogeneity can render similarly profitable effects for neuronal populations as dynamic noise. The optimal noise/disorder depends on the system size and the properties of the stimulus such as its intensity or cutoff frequency. We find that weak stimuli are better encoded by a noiseless heterogeneous population, whereas for strong stimuli a homogeneous population outperforms an equivalent heterogeneous system up to a moderate noise level. Furthermore, we derive analytical expressions of the coherence function for the cases of very strong noise and of vanishing intrinsic noise or heterogeneity, which predict the existence of an optimal noise intensity. Our results show that, depending on the type of signal, noise as well as heterogeneity can enhance the encoding performance of neuronal populations. PMID- 29222731 TI - Predictors of long-term care among nonagenarians: the Vitality 90 + Study with linked data of the care registers. AB - BACKGROUND: The need for long-term care services increases with age. However, little is known about the predictors of long-term care (LTC) entry among the oldest old. AIMS: Aim of this study was to assess predictors of LTC entry in a sample of men and women aged 90 years and older. METHODS: This study was based on the Vitality 90 + Study, a population-based study of nonagenarians in the city of Tampere, Finland. Baseline information about health, functioning and living conditions were collected by mailed questionnaires. Information about LTC was drawn from care registers during the follow-up period extending up to 11 years. Cox regression models were used for the analyses, taking into account the competing risk of mortality. RESULTS: During the mean follow-up period of 2.3 years, 844 (43%) subjects entered first time into LTC. Female gender (HR 1.39, 95% CI 1.14-1.69), having at least two chronic conditions (HR 1.24, 95% CI 1.07 1.44), living alone (HR 1.37, 95% CI 1.15-1.63) and help received sometimes (HR 1.23, 95% CI 1.02-1.49) or daily (HR 1.68, 95% CI 1.38-2.04) were independent predictors of LTC entry. CONCLUSION: Risk of entering into LTC was increased among women, subjects with at least two chronic conditions, those living alone and with higher level of received help. Since number of nonagenarians will increase and the need of care thereby, it is essential to understand predictors of LTC entry to offer appropriate care for the oldest old in future. PMID- 29222732 TI - 46th ESCP symposium on clinical pharmacy "Science meets practice: towards evidence-based clinical pharmacy services", Heidelberg, Germany, October 9th 11th, 2017. PMID- 29222733 TI - Frail older people with multi-morbidities in primary care: a new integrated care clinical pharmacy service. AB - Background Older people confined to their own homes due to frailty, multiple longterm conditions and/or complex needs, are known to be at risk of medicines related problems. Whilst a health and social care team approach to supporting these patients is advocated, there is limited evidence regarding how pharmacists can best contribute. Objective To describe a new specialist pharmacy service (called the integrated care clinical pharmacist) in terms of how it works, what it achieves and its policy implications. Setting Patients' own homes in Lambeth, London, UK. Method Community matrons identified patients who were experiencing medicines related problems. These were referred to the integrated care clinical pharmacist who undertook a full medication review and recorded activities, which were independently analysed anonymously. Main outcome measure Medicines-related problems and the associated interventions. Result 143 patients were referred to the service over a 15-month period. A total of 376 medicines-related problems were identified: 28 (7%) supply issues, 107 (29%) compliance issues, 241 (64%) clinical issues. A diverse range of interventions were instigated by the pharmacist, requiring the coordination of community pharmacists, primary and secondary health and social care professionals. Conclusion This project demonstrated that including an integrated care clinical pharmacy service as part of the health and social care team that visits frail, older people in their own homes has benefits. The service operated as part of a wider inter-professional community team. The service also supported current health policy priorities in medicines optimization by identifying and addressing a wide range of medicines related problems for this vulnerable patient group. PMID- 29222734 TI - TERT promoter hotspot mutations in breast cancer. AB - BACKGROUND: Telomerase reverse transcriptase (TERT) promoter mutations have been discovered in solid and hematological malignancies, where they reflect TERT activation and cell-cycle progression. In melanoma, glioma, and thyroid cancers, TERT promoter mutations are associated with a poor prognosis. However, no studies have evaluated the prevalence and prognostic significance of TERT promoter mutations in breast cancer. METHODS: We analyzed TERT promoter hotspot mutations (C228T and C250T) using direct sequencing of DNA from 319 tumor tissues. We also collected clinical data from cases that were positive for TERT promoter mutations. RESULTS: We detected TERT promoter mutations in three (0.9%) of the 319 cases. Two patients had hormone receptor-positive and human epidermal growth factor receptor 2-negative cancer, while the third patient had triple-negative cancer. All three patients had initially been diagnosed with operable breast cancer and undergone surgical treatment. The relapse-free survivals of these patients were 83, 226, and 270 months, respectively. The mutations were C250T in the triple-negative cancer case and C228T in the remaining two cases. CONCLUSION: Given the rarity of TERT promoter mutations, further studies are needed to confirm their prognostic significance in breast cancer cases. PMID- 29222735 TI - Delayed perforation after endoscopic submucosal dissection treated successfully by temporary stent placement. AB - A 71-year-old male patient with a long-segment (C10M12) Barrett's esophagus harboring multifocal high-grade dysplasia was referred to our clinic. After a multidisciplinary team conference and the patient's informed consent, an endoscopic submucosal dissection (ESD) was performed with resection of 4/5 of the esophageal circumference along 12 cm, without any complications during or immediately after the procedure. In the day after the ESD, the patient presented suddenly with dyspnea and subcutaneous emphysema in the neck and chest. A computed tomography (CT) showed subcutaneous emphysema in the neck and pneumomediastinum, confirming the diagnosis of delayed perforation. There was gradual progression into respiratory failure with the need for ventilatory support. Endoscopic treatment was decided and 2 fully covered self-expandable metal stents were deployed in the esophagus. Patient's clinical condition improved and oral diet was resumed at day 7. Stents were retrieved at day 12 and there were no strictures on the 2 and 6-month follow-ups. This is the first report of delayed perforation after endoscopic submucosal disection in the esophagus that was successfully managed with endoscopic therapy. PMID- 29222736 TI - Usefulness and limitations of dual-layer spectral detector computed tomography for diagnosing biliary stones not detected by conventional computed tomography: a report of three cases. AB - Computed tomography (CT) is useful for diagnosing biliary stones. However, the presence of stones not detected by conventional CT, such as iso-dense stones with CT numbers similar to those of bile or small stones, is problematic. Although conventional CT provides only 120-kVp images corresponding to CT numbers at approximately 70 keV, dual-layer spectral detector CT uses one X-ray source and dual-layer detectors to collect low- and high-energy data simultaneously; retrospective spectral analysis, including virtual monochromatic images with photon energy levels of 40-200 keV, material decomposition images, and spectral curves, can be immediately performed on demand. This technique can immediately discriminate between materials with similar conventional CT numbers. Therefore, prompt and accurate diagnosis of iso-dense stones can be performed. In two out of three of our cases, iso-dense stones were detected in virtual monochromatic images at 40 keV, but in the remaining case a common 4-mm bile duct stone was not detected on 120-kVp and 40-keV images by retrospective spectral analysis. However, this stone was detected by magnetic resonance cholangiopancreatography. Retrospective spectral analysis using dual-layer spectral detector CT was useful for prompt and accurate diagnosis of iso-dense stones, but detection of <5-mm stones may be a limitation of this technique and of conventional CT. PMID- 29222737 TI - Differences by Sexual Orientation in Perceptions of Neighborhood Cohesion: Implications for Health. AB - A large body of research documents the relationship between health and place, including the positive association between neighborhood cohesion and health. However, very little research has examined neighborhood cohesion by sexual orientation. This paper addresses that gap by examining differences in perceived neighborhood cohesion by sexual orientation. We use data from the 2016 National Health Interview Survey (n = 28,164 respondents aged 18 years and older) to examine bivariate differences by sexual orientation in four measures of neighborhood cohesion. We then use ordered logistic regression models to assess the relationship between sexual orientation and a scaled measure of neighborhood cohesion, adjusting for socio-demographic characteristics, living arrangements, health status, region, and neighborhood tenure. We find that lesbian, gay, and bisexual (LGB) adults are less likely to say that they live in a close-knit neighborhood (54.6 vs. 65.6%, p < 0.001), they can count on their neighbors (74.7 vs. 83.1%, p < 0.001), they trust their neighbors (75.5 vs. 83.7%, p < 0.001), or people in their neighborhood help each other out (72.9 vs. 83.1%, p < 0.001), compared to heterosexual adults. Even after controlling for socio-demographic factors, neighborhood cohesion scores are lower for LGB adults compared to heterosexual adults (odds ratio of better perceived neighborhood cohesion for sexual minorities: 0.70, p < 0.001). Overall, LGB adults report worse neighborhood cohesion across multiple measures, even after adjusting for individual characteristics and neighborhood tenure. Because living in a cohesive neighborhood is associated with better health outcomes, future research, community-level initiatives, and public policy efforts should focus on creating welcoming neighborhood environments for sexual minorities. PMID- 29222738 TI - CT based 3D printing is superior to transesophageal echocardiography for pre procedure planning in left atrial appendage device closure. AB - Accurate assessment of the left atrial appendage (LAA) is important for pre procedure planning when utilizing device closure for stroke reduction. Sizing is traditionally done with transesophageal echocardiography (TEE) but this is not always precise. Three-dimensional (3D) printing of the LAA may be more accurate. 24 patients underwent Watchman device (WD) implantation (71 +/- 11 years, 42% female). All had complete 2-dimensional TEE. Fourteen also had cardiac computed tomography (CCT) with 3D printing to produce a latex model of the LAA for pre procedure planning. Device implantation was unsuccessful in 2 cases (one with and one without a 3D model). The model correlated perfectly with implanted device size (R2 = 1; p < 0.001), while TEE-predicted size showed inferior correlation (R2 = 0.34; 95% CI 0.23-0.98, p = 0.03). Fisher's exact test showed the model better predicted final WD size than TEE (100 vs. 60%, p = 0.02). Use of the model was associated with reduced procedure time (70 +/- 20 vs. 107 +/- 53 min, p = 0.03), anesthesia time (134 +/- 31 vs. 182 +/- 61 min, p = 0.03), and fluoroscopy time (11 +/- 4 vs. 20 +/- 13 min, p = 0.02). Absence of peri-device leak was also more likely when the model was used (92 vs. 56%, p = 0.04). There were trends towards reduced trans-septal puncture to catheter removal time (50 +/- 20 vs. 73 +/- 36 min, p = 0.07), number of device deployments (1.3 +/- 0.5 vs. 2.0 +/- 1.2, p = 0.08), and number of devices used (1.3 +/- 0.5 vs. 1.9 +/- 0.9, p = 0.07). Patient specific models of the LAA improve precision in closure device sizing. Use of the printed model allowed rapid and intuitive location of the best landing zone for the device. PMID- 29222739 TI - Effects of two aerobic exercise training protocols on parameters of oxidative stress in the blood and liver of obese rats. AB - We evaluated the effects of moderate-intensity continuous training (MICT) and high-intensity interval training (HIIT) protocols on the alterations in oxidative stress parameters caused by a high-fat diet (HFD), in the blood and liver of rats. The HFD enhanced thiobarbituric acid reactive substances (TBA-RS) and protein carbonyl content, while reducing total sulfhydryl content and catalase (CAT) and glutathione peroxidase (GSH-Px) activities in the blood. Both training protocols prevented an increase in TBA-RS and protein carbonyl content, and prevented a reduction in CAT. HIIT protocol enhanced SOD activity. In the liver, HFD didn't alter TBA-RS, total sulfhydryl content or SOD, but increased protein carbonyl content and CAT and decreased GSH-Px. The exercise protocols prevented the increase in protein carbonyl content and the MICT protocol prevented an alteration in CAT. In conclusion, HFD elicits oxidative stress in the blood and liver and both protocols prevented most of the alterations in the oxidative stress parameters. PMID- 29222740 TI - A Case of Maturity Onset Diabetes of the Young (MODY3) in a Family with a Novel HNF1A Gene Mutation in Five Generations. AB - Diabetes mellitus with autosomal dominant inheritance, i.e., maturity-onset diabetes of the young (MODY), is a genetic form of diabetes mellitus. The MODY phenotype is associated with gene mutations leading to pancreatic beta-cell dysfunction. Here, we present the clinical case of a 50-year-old proband with familial diabetes mellitus in five generations (proband, her mother, grandmother, great-grandfather, and son). This disease is most likely associated with the novel Ser6Arg mutation in the HNF1A gene, which was identified in four family members. The mutation was not detected in MODY patients (126 subjects), in patients with type 2 diabetes mellitus (188 subjects), and in a general population sample (564 subjects). PMID- 29222741 TI - Exploratory study of barriers to successful office contacts for attention deficit hyperactivity disorder. AB - The American Academy of Pediatrics published attention deficit hyperactivity disorder (ADHD) guidelines, but significant variability exists in care. This exploratory study aimed to understand barriers to compliance with primary care office contacts for ADHD medication management. The study was conducted at a single academic medical center via retrospective chart review between 6/1/15 and 5/31/16 in combination with telephone interviews. Participants included 306 children 6-12 years old with an ADHD-related ICD-9/ICD-10 diagnosis. Factors affecting compliance were assessed via multivariable linear regression using the outcome of unsuccessful office contacts based on the percentage of missed, canceled, or rescheduled appointments. ADHD patients averaged 28.3% (SD 23.8%) unsuccessful office contacts. Unsuccessful contacts significantly increased by 15% for Hispanic ethnicity, 8% for public insurance, 8% for inattentive subtype, and 3% for every 10 miles additional distance from the office. Telephone interviews were attempted for those missing >= 3 appointments, which represented 18.3% (56/306) of the sample. Interviews were successfully completed with 37.5% (21/56). Of these, 52.3% (11/21) of parents preferred in-person visits. Structural barriers were not a concern, but 52.3% (11/21) reported high caregiver strain and fatigue. The results indicate that cultural barriers to understanding of ADHD and its management must be reconsidered. Use of Internet-based platforms may be a novel approach to address issues of distance, financial difficulty, and parental stress. PMID- 29222742 TI - Protecting Participants in Thought Experiments: The Role of the Research Ethics Committee. PMID- 29222743 TI - ? PMID- 29222744 TI - Activation of intestinal GR-FXR and PPARalpha-UGT signaling exacerbates ibuprofen induced enteropathy in mice. AB - Nonsteroidal anti-inflammatory drugs (NSAIDs)-induced small intestinal injury (enteropathy) occurs in about two-thirds of regular NSAID users. To date, there is no proven-effective treatment for NSAID enteropathy, and its underlying mechanism remains obscure. The present study showed that glucocorticoids are an important determinant of NSAID enteropathy. High dose dexamethasone (DEX, 75 mg/kg) markedly exacerbated the acute toxicity of ibuprofen (IBU, 200 mg/kg) in the small intestine of mice, which was not due to the pregnane-X-receptor pathway. Instead, glucocorticoid receptor (GR) mediated the effect of DEX (5 mg/kg) on both the acute (200 mg/kg) and 7-day repeated-dose (50 mg/kg) toxicity of IBU in the small intestine. Combined treatment of DEX (5 mg/kg) and IBU (50 mg/kg) synergistically repressed the intestinal farnesoid X receptor (FXR) cystathionine-gamma-lyase signaling, which was accompanied with an elevation in the biliary excretion of bile acids, especially the FXR antagonist tauro-beta muricholic acid. DEX (5 mg/kg) also activated intestinal peroxisome proliferator activated receptor alpha (PPARalpha)-UDP-glucuronosyltransferase (UGT) pathway, which increased the formation and enterohepatic circulation of IBU-acyl glucuronide. Furthermore, DEX (5 mg/kg) and IBU (50 mg/kg) altered the intestinal microbial composition, characterized with a marked decrease in Actinobacteria. To conclude, the present study for the first time suggests that glucocorticoids play vital roles in control of IBU enteropathy via intestinal GR-FXR and PPARalpha-UGT signaling. PMID- 29222745 TI - MiR-26a functions as a tumor suppressor in ambient particulate matter-bound metal triggered lung cancer cell metastasis by targeting LIN28B-IL6-STAT3 axis. AB - Exposure to ambient particulate matter (PM) has been linked to the increasing incidence and mortality of lung cancer, but the principal toxic components and molecular mechanism remain to be further elucidated. In this study, human lung adenocarcinoma A549 cells were treated with serial concentrations of water extracted PM10 (WE-PM10) collected from Beijing, China. Our results showed that exposure to 25 and 50 MUg/ml of WE-PM10 for 48 h significantly suppressed miR-26a to upregulate lin-28 homolog B (LIN28B), and in turn activated interleukin 6 (IL6) and signal transducer and activator of transcription 3 (STAT3) in A549 cells, subsequently contributing to enhanced epithelial-mesenchymal transition and accelerated migration and invasion. In vivo pulmonary colonization assay further indicated that WE-PM10 enhanced the metastatic ability of A549 cells. In addition, luciferase reporter assay demonstrated that 3' untranslated region of LIN28B was a direct target of miR-26a. Last but not the least, the key toxic contribution of metals in WE-PM10 was confirmed by the finding that removal of metals through chelation significantly rescued WE-PM10-mediated inflammatory, carcinogenic and metastatic responses. Taken together, miR-26a could act as the tumor suppressor in PM10-related lung cancer, and PM10-bound metals promoted lung cancer cell metastasis through downregulation of miR-26a that directly mediated LIN28B expression. PMID- 29222746 TI - Cadmium favors F-actin depolymerization in rat renal mesangial cells by site specific, disulfide-based dimerization of the CAP1 protein. AB - Cadmium is a toxic metal that produces oxidative stress and has been shown to disrupt the actin cytoskeleton in rat renal mesangial cells (RMC). In a survey of proteins that might undergo Cd2+-dependent disulfide crosslinking, we identified the adenylyl cyclase-associated protein, CAP1, as undergoing a dimerization in response to Cd2+ (5-40 uM) that was sensitive to disulfide reducing agents, was reproduced by the disulfide crosslinking agent diamide, and was shown by site directed mutagenesis to involve the Cys29 residue of the protein. Reactive oxygen species are not involved in the thiol oxidation, and glutathione modulates background levels of dimer. CAP1 is known to enhance cofilin's F-actin severing activity through binding to F-actin and cofilin. F-actin sedimentation and GST cofilin pulldown studies of CAP1 demonstrated enrichment of the CAP1 dimer's association with cofilin, and in the cofilin-F-actin pellet, suggesting that Cd2+ induced dimer increases the formation of a CAP1-cofilin-F-actin complex. Both siRNA-based silencing of CAP1 and overexpression of a CAP1 mutant lacking Cys29 (and therefore, incapable of dimerization in response to Cd2+) increased RMC viability and provided some protection of F-actin structures against Cd2+. It is concluded that Cd2+ brings about disruption of the RMC cytoskeleton in part through formation of a CAP1 dimer that increases recruitment of cofilin to F actin filaments. PMID- 29222747 TI - Reconstructing High-Quality Large-Scale Metabolic Models with merlin. AB - Here, the basic principles of reconstructing genome-scale metabolic models with merlin are described. This tool covers the basic stages of this process, providing several tools that allow assembling models, using the sequenced genome as a starting point. merlin has two main modules, separating the process of annotating (enzymes, transporters, and compartments) on the genome from the process of model assembly, though information from the former is integrated in the latter after curation. Moreover, merlin provides several tools to curate the model, including tools for generating reactions' gene rules and placeholder entities for biomass precursors, such as proteins (e-protein) or nucleotides (e DNA and e-RNA) among others.This tutorial covers each feature of merlin in detail, including the assessment of experimental data for the validation of the model. PMID- 29222748 TI - Analyzing and Designing Cell Factories with OptFlux. AB - OptFlux was launched in 2010 as the first open-source and user-friendly platform containing all the major methods for performing metabolic engineering tasks in silico. Main features included the possibility of performing microbial strain simulations with widely used methods such as Flux Balance Analysis and strain design using Evolutionary Algorithms. Since then, OptFlux suffered a major re factoring to improve its efficiency and reliability, while many features were added in the form of novel plug-ins, such as the BioVisualizer and the over/under expression plug-ins. The current chapter described the main mathematical formulations of the major methods implemented within OptFlux, also providing a detailed guide on the usage of those functionalities. PMID- 29222749 TI - The MONGOOSE Rational Arithmetic Toolbox. AB - The modeling of metabolic networks has seen a rapid expansion following the complete sequencing of thousands of genomes. The constraint-based modeling framework has emerged as one of the most popular approaches to reconstructing and analyzing genome-scale metabolic models. Its main assumption is that of a quasi steady-state, requiring that the production of each internal metabolite be balanced by its consumption. However, due to the multiscale nature of the models, the large number of reactions and metabolites, and the use of floating-point arithmetic for the stoichiometric coefficients, ensuring that this assumption holds can be challenging.The MONGOOSE toolbox addresses this problem by using rational arithmetic, thus ensuring that models are analyzed in a reproducible manner and consistently with modeling assumptions. In this chapter we present a protocol for the complete analysis of a metabolic network model using the MONGOOSE toolbox, via its newly developed GUI, and describe how it can be used as a model-checking platform both during and after the model construction process. PMID- 29222750 TI - The FASTCORE Family: For the Fast Reconstruction of Compact Context-Specific Metabolic Networks Models. AB - The FASTCORE family is a family of algorithms that are mainly used to build context-specific models but can also be applied to other tasks such as gapfilling and consistency testing. The FASTCORE family has very low computational demands with running times that are several orders of magnitude lower than its main competitors. Furthermore, the models built by the FASTCORE family have a better resolution power (defined as the ability to capture metabolic variations between different tissues, cell types, or contexts) than models from other algorithms. PMID- 29222751 TI - Reconstruction and Analysis of Central Metabolism in Microbes. AB - Genome-scale metabolic models (GEMs) generated from automated reconstruction pipelines often lack accuracy due to the need for extensive gapfilling and the inference of periphery metabolic pathways based on lower-confidence annotations. The central carbon pathways and electron transport chains are among the most well understood regions of microbial metabolism, and these pathways contribute significantly toward defining cellular behavior and growth conditions. Thus, it is often useful to construct a simplified core metabolic model (CMM) that is comprised of only the high-confidence central pathways. In this chapter, we discuss methods for producing core metabolic models (CMM) based on genome annotations. With its reduced scope compared to GEMs, CMM reconstruction focuses on accurate representation of the central metabolic pathways related to energy biosynthesis and accurate energy yield predictions. We demonstrate the reconstruction and analysis of CMMs using the DOE Systems Biology Knowledgebase (KBase). The complete workflow is available at http://kbase.us/core-models/. PMID- 29222752 TI - Using PSAMM for the Curation and Analysis of Genome-Scale Metabolic Models. AB - PSAMM is an open source software package that supports the iterative curation and analysis of genome-scale models (GEMs). It aims to integrate the annotation and consistency checking of metabolic models with the simulation of metabolic fluxes. The model representation in PSAMM is compatible with version tracking systems like Git, which allows for full documentation of model file changes and enables collaborative curations of large, complex models. This chapter provides a protocol for using PSAMM functions and a detailed description of the various aspects in setting up and using PSAMM for the simulation and analysis of metabolic models. The overall PSAMM workflow outlined in this chapter includes the import and export of model files, the documentation of model modifications using the Git version control system, the application of consistency checking functions for model curations, and the numerical simulation of metabolic models. PMID- 29222753 TI - Integration of Comparative Genomics with Genome-Scale Metabolic Modeling to Investigate Strain-Specific Phenotypical Differences. AB - Genome-scale metabolic reconstructions are powerful resources that allow translation biological knowledge and genomic information to phenotypical predictions using a number of constraint-based methods. This approach has been applied in recent years to gain deep insights into the cellular phenotype role of the genes at a systems-level, driving the design of targeted experiments and paving the way for knowledge-based synthetic biology.The identification of genetic determinants underlying the variability at the phenotypical level is crucial to understand the evolutionary trajectories of a bacterial species. Recently, genome-scale metabolic models of different strains have been assembled to highlight the intra-species diversity at the metabolic level. The strain specific metabolic capabilities and auxotrophies can be used to identify factors related to the lifestyle diversity of a bacterial species.In this chapter, we present the computational steps to perform genome-scale metabolic modeling in the context of comparative genomics, and the different challenges related to this task. PMID- 29222754 TI - Template-Assisted Metabolic Reconstruction and Assembly of Hybrid Bacterial Models. AB - Intraspecific genomic exchanges happen frequently between bacteria living in the same natural environment and can also be performed artificially in the laboratory for basic research or genetic/metabolic engineering purposes. In silico metabolic reconstruction and simulation of the metabolism of the hybrid strains that result from these processes can be used to predict the phenotypic outcome of such genomic rearrangements; this can be especially helpful as a designing tool in the purview of synthetic biology. However, reconstructing the metabolism of a bacterium with a hybrid genome through in silico approaches is not a trivial task, as it requires taking into account the complex relationships existing between metabolic genes and how they change (or remain unchanged) when new genes are placed in a different genomic context. Furthermore, in order to "mix" the metabolic models of different bacterial strains one needs at least two different metabolic models to begin with, and reconstructing a genome-scale model from the ground up is a challenging task itself, requiring an intensive manual effort and a great deal of information. In this chapter, we propose two general protocols to address the aforementioned issues of: (1) quickly generating strain-specific metabolic models, given the relevant genomic sequence and an already existing, high-quality metabolic model of a different strain belonging to the same species, and (2) reconstructing the metabolic model of a hybrid strain containing genomic elements from two different parental strains. PMID- 29222755 TI - Integrated Host-Pathogen Metabolic Reconstructions. AB - The science and art of Genome scale metabolic network reconstructions have been explicitly documented in the literature for organisms across all the three kingdoms of life. Constraints-based models derived from such reconstructions have been used to assess metabolic phenotypes of their complex connections to genotype accurately. The problem of infectious disease is complex due to the multifactorial response of the host to the pathogen. Systems biology approaches and modeling allow one to study, understand, and predict emergent properties of such complex responses. The integration of the host and pathogen metabolic networks and the subsequent merger of their stoichiometric matrices is nontrivial and requires understanding of both pathogen and host metabolism and physiologies. The protocol here describes the detailed process of network and stoichiometric matrix merger using a salmonella-mouse macrophage model. The protocol also discusses the interfacial and objective functions required to actually embark on the analysis of host-pathogen interaction models. PMID- 29222756 TI - Metabolic Model Reconstruction and Analysis of an Artificial Microbial Ecosystem. AB - Microbial communities are widespread in the environment, and to isolate and identify species or to determine relations among microorganisms, some 'omics methods like metagenomics, proteomics, and metabolomics have been used. When combined with various 'omics data, models known as artificial microbial ecosystems (AME) are powerful methods that can make functional predictions about microbial communities. Reconstruction of an AME model is the first step for model analysis. Many techniques have been applied to the construction of AME models, e.g., the compartmentalization approach, community objectives method, and dynamic analysis approach. Of these approaches, species compartmentalization is the most relevant to genetics. Besides, some algorithms have been developed for the analysis of AME models. In this chapter, we present a general protocol for the use of the species compartmentalization method to reconstruct a model of microbial communities. Then, the analysis of an AME is discussed. PMID- 29222757 TI - RNA Sequencing and Analysis in Microorganisms for Metabolic Network Reconstruction. AB - There is a strict interplay between metabolic networks and transcriptional regulation in bacteria; indeed, the transcriptome regulation, affecting the expression of large gene sets, can be used to predict the likely "on" or "off" state of metabolic genes as a function of environmental factors. Up to date, many bacterial transcriptomes have been studied by RNAseq, hundreds of experiments have been performed, and Giga bases of sequences have been produced. All this transcriptional information could potentially be integrated into metabolic networks in order to obtain a more comprehensive view of their regulation and to increase their prediction power.To get high-quality transcriptomic data, to be integrated into metabolic networks, it is paramount to clearly know how to produce highly informative RNA sequencing libraries and how to manage RNA sequencing data.In this chapter, we will get across the main steps of an RNAseq experiment: from removal of ribosomal RNAs, to strand-specific library preparation, till data analysis and integration. We will try to share our experience and know-how, to give you a precise protocol to follow, and some useful recommendations or tips and tricks to adopt in order to go straightforward toward a successful RNAseq experiment. PMID- 29222758 TI - Differential Proteomics Based on 2D-Difference In-Gel Electrophoresis and Tandem Mass Spectrometry for the Elucidation of Biological Processes in Antibiotic Producer Bacterial Strains. AB - Proteomics based on 2D-Difference In Gel Electrophoresis (2D-DIGE) coupled with mass spectrometry (MS) procedures can be considered a "gold standard" to determine quantitatively and comparatively protein abundances in cell extracts from different biological sources/conditions according to a gel-based approach. In particular, 2D-DIGE is used for protein specie separation, detection, and relative quantification, whenever tandem MS is used to obtain peptide sequence information that is managed according to bioinformatic procedures to identify the differentially represented protein species. The proteomic results consist of a dynamic portray of over- and down-represented protein species that, with the integration of gene ontology resources, allow obtaining a comprehensive understanding of the complex network of molecular signaling, regulatory circuits, and biochemical reactions occurring in cellular contexts. For this reason, proteomics has been widely used for studying molecular physiology of Gram positive bacterial strains producing bioactive metabolites and belonging to actinomycete family. This highlighted the complex relationships linking overall regulatory processes and metabolic pathways to the biosynthesis of interesting bioactive molecules. In this chapter, we provide a detailed description of the procedures adopted to perform a differential proteomic analysis of the actinomycete Microbispora ATCC-PTA-5024, producing the promising NAI-107 lantibiotic. Although each experimental proteomic procedure has to be optimized to face the specific molecular characteristics of the organism under investigation, the protocols here described have also been used with minor modifications for proteomic studies on other bacterial strains, including the actinomycetes Streptomyces coelicolor, S. ambofaciens, Amycolatopsis balhimycina, and the Gram-negative proteobacteria Klebsiella oxytoca and Pseudoalteromonas haloplanktis. PMID- 29222759 TI - Techniques for Large-Scale Bacterial Genome Manipulation and Characterization of the Mutants with Respect to In Silico Metabolic Reconstructions. AB - The rate at which all genes within a bacterial genome can be identified far exceeds the ability to characterize these genes. To assist in associating genes with cellular functions, a large-scale bacterial genome deletion approach can be employed to rapidly screen tens to thousands of genes for desired phenotypes. Here, we provide a detailed protocol for the generation of deletions of large segments of bacterial genomes that relies on the activity of a site-specific recombinase. In this procedure, two recombinase recognition target sequences are introduced into known positions of a bacterial genome through single cross-over plasmid integration. Subsequent expression of the site-specific recombinase mediates recombination between the two target sequences, resulting in the excision of the intervening region and its loss from the genome. We further illustrate how this deletion system can be readily adapted to function as a large scale in vivo cloning procedure, in which the region excised from the genome is captured as a replicative plasmid. We next provide a procedure for the metabolic analysis of bacterial large-scale genome deletion mutants using the Biolog Phenotype MicroArrayTM system. Finally, a pipeline is described, and a sample Matlab script is provided, for the integration of the obtained data with a draft metabolic reconstruction for the refinement of the reactions and gene-protein reaction relationships in a metabolic reconstruction. PMID- 29222760 TI - Computational Prediction of Synthetic Lethals in Genome-Scale Metabolic Models Using Fast-SL. AB - In this chapter, we describe Fast-SL, an in silico approach to predict synthetic lethals in genome-scale metabolic models. Synthetic lethals are sets of genes or reactions where only the simultaneous removal of all genes or reactions in the set abolishes growth of an organism. In silico approaches to predict synthetic lethals are based on Flux Balance Analysis (FBA), a popular constraint-based analysis method based on linear programming. FBA has been shown to accurately predict the viability of various genome-scale metabolic models. Fast-SL builds on the framework of FBA and enables the prediction of synthetic lethal reactions or genes in different organisms, under various environmental conditions. Predicting synthetic lethals in metabolic network models allows us to generate hypotheses on possible novel genetic interactions and potential candidates for combinatorial therapy, in case of pathogenic organisms. We here summarize the Fast-SL approach for analyzing metabolic networks and detail the procedure to predict synthetic lethals in any given metabolic model. We illustrate the approach by predicting synthetic lethals in Escherichia coli. The Fast-SL implementation for MATLAB is available from https://github.com/RamanLab/FastSL/ . PMID- 29222761 TI - Coupling Fluxes, Enzymes, and Regulation in Genome-Scale Metabolic Models. AB - Genome-scale models have expanded beyond their metabolic origins. Multiple modeling frameworks are required to combine metabolism with enzymatic networks, transcription, translation, and regulation. Mathematical programming offers a powerful set of tools for tackling these "multi-modality" models, although special attention must be paid to the connections between modeling types. This chapter reviews common methods for combining metabolic and discrete logical models into a single mathematical programming framework. Best practices, caveats, and recommendations are presented for the most commonly used software packages. Methods for troubleshooting large sets of logical rules are also discussed. PMID- 29222762 TI - Dynamic Flux Balance Analysis Using DFBAlab. AB - Bioprocesses are of critical importance in several industries such as the food and pharmaceutical industries. Despite their importance and widespread application, bioprocess models remain rather simplistic and based on unstructured models. These simple models have limitations, making it very difficult to model complex bioprocesses. With dynamic flux balance analysis (DFBA) more comprehensive bioprocess models can be obtained. DFBA simulations are difficult to carry out because they result in dynamic systems with linear programs embedded. Therefore, the use of DFBA as a modeling tool has been limited. With DFBAlab, a MATLAB code that performs efficient and reliable DFBA simulations, the use of DFBA as a modeling tool has become more accessible. Here, we illustrate with an example how to implement bioprocess models in DFBAlab. PMID- 29222763 TI - Designing Optimized Production Hosts by Metabolic Modeling. AB - Many of the complex and expensive production steps in the chemical industry are readily available in living cells. In order to overcome the metabolic limits of these cells, the optimal genetic intervention strategies can be computed by the use of metabolic modeling. Elementary flux mode analysis (EFMA) is an ideal tool for this task, as it does not require defining a cellular objective function. We present two EFMA-based methods to optimize production hosts: (1) the standard approach that can only be used for small and medium scale metabolic networks and (2) the advanced dual system approach that can be utilized to directly compute intervention strategies in a genome-scale metabolic model. PMID- 29222764 TI - Optimization of Multi-Omic Genome-Scale Models: Methodologies, Hands-on Tutorial, and Perspectives. AB - Genome-scale metabolic models are valuable tools for assessing the metabolic potential of living organisms. Being downstream of gene expression, metabolism is increasingly being used as an indicator of the phenotypic outcome for drugs and therapies. We here present a review of the principal methods used for constraint based modelling in systems biology, and explore how the integration of multi-omic data can be used to improve phenotypic predictions of genome-scale metabolic models. We believe that the large-scale comparison of the metabolic response of an organism to different environmental conditions will be an important challenge for genome-scale models. Therefore, within the context of multi-omic methods, we describe a tutorial for multi-objective optimization using the metabolic and transcriptomics adaptation estimator (METRADE), implemented in MATLAB. METRADE uses microarray and codon usage data to model bacterial metabolic response to environmental conditions (e.g., antibiotics, temperatures, heat shock). Finally, we discuss key considerations for the integration of multi-omic networks into metabolic models, towards automatically extracting knowledge from such models. PMID- 29222765 TI - Cancer driver G-protein coupled receptor (GPCR) induced beta-catenin nuclear localization: the transcriptional junction. AB - G protein-coupled receptors (GPCRs) comprise the main signal-transmitting components in the cell membrane. Over the past several years, biochemical and structural analyses have immensely enhanced our knowledge of GPCR involvement in health and disease states. The present review focuses on GPCRs that are cancer drivers, involved in tumor growth and development. Our aim is to highlight the involvement of stabilized beta-catenin molecular machinery with a specific array of GPCRs. We discuss recent advances in understanding the molecular path leading to beta-catenin nuclear localization and transcriptional activity and their implications for future cancer therapy research. PMID- 29222766 TI - Electrical velocimetry for non-invasive monitoring of the closure of the ductus arteriosus in preterm infants. AB - : Closure of a patent ductus arteriosus (PDA) in preterm infants modifies cardiac output and induces adaptive changes in the hemodynamic situation. The present study aims to analyze those changes, through a non-invasive cardiac output monitor based on blood electrical velocimetry, in preterm babies. A prospective observational study of preterm infants with a gestational age of less than 28 weeks, and a hemodynamic significant PDA, requires intravenous ibuprofen or surgical closure. All patients were monitored with electrical velocimetry before treatment and through the following 72 h. Two groups were defined, ibuprofen and surgical closure. Variations of cardiac output were analyzed from the basal situation and at 1, 8, 24, 48, and 72 h on each group. During a 12-month period, 18 patients were studied. The median gestational age in the ibuprofen group (12/18) was 26+5 weeks (25+5-27+3) with a median birth weight of 875 (670-1010) g. The cardiac output index (CI) value was 0.29 l/kg/min (0.24-0.34). Among the patients with confirmed ductus closure (50%), a significant CI decrease was shown (0.24 vs 0.29 l/kg/min; P 0.03) after 72 h (three ibuprofen doses). A statistically significant decrease in systolic volume (SVI) was found: 1.62 vs 1.88 ml/kg, P 0.03 with a decrease in contractility (ICON), 85 vs 140, P 0.02. The gestational age in the surgical group (6/18) was 25+2 weeks (24-26+3) with a median weight of 745 (660-820) g. All patients in this group showed a decrease in the immediate postoperative CI (1 h after surgery) 0.24 vs 0.30 l/kg/min, P 0.05, and a significant decrease in contractility (ICON 77 vs 147, P 0.03). In addition, a no statistically significant decrease in SVI (1.54 vs 1.83 ml/kg, P 0.06), as well as an increase in systemic vascular resistance (10,615 vs 8797 dyn/cm2, P 0.08), were detected. This deterioration was transient without significant differences in the remaining periods of time evaluated. CONCLUSION: The surgical closure of the PDA in preterm infants causes a transient deterioration of cardiac function linked to a documented decrease in the left ventricular output. The hemodynamic changes detected after pharmacological PDA closure are similar but those patients present a better clinical tolerance to changes in the cardiac output. What is Known: * Surgical ductus closure generates acute hemodynamic changes in cardiac output and left ventricular function. What is New: * The hemodynamic changes detected after pharmacological ductus closure are similar to those found in the surgical closure. Electrical velocimetry can detect those changes. PMID- 29222767 TI - Platelet Counts and Liver Enzymes After Gastric Bypass Surgery. AB - BACKGROUND: Obesity is associated with chronic inflammation, liver steatosis and increased liver enzymes such as gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT), markers for non-alcoholic fatty liver disease (NAFLD) and liver fat content. Increased platelet counts (PCs) are a biomarker reflecting inflammation and the degree of fibrosis in NAFLD. We investigated alterations in PCs, GGT, ALT, C-reactive protein (CRP) and ferritin after Roux-en-Y gastric bypass (RYGBP). METHODS: One hundred twenty-four morbidly obese non-diabetic patients were evaluated before (baseline) and 12 months after (follow-up) RYGBP. RESULTS: Body mass index (BMI) was reduced from 43.5 kg/m2 (baseline) to 31.1 kg/m2 (follow-up), and p < 0.001 and weight declined from 126.2 to 89.0 kg. PCs decreased from 303 * 109 to 260 * 109/l, p < 0.001. GGT was reduced from 0.63 to 0.38 MUkat/l, p < 0.001. ALT decreased from 0.69 to 0.59 MUkat/l, p = 0.006. CRP was lowered from 7.3 to 5.4 mg/l p < 0.001 and ferritin from 106 to 84 MUg/l p < 0.001. The alterations in PCs correlated with the changes in CRP (r = 0.38, p = 0.001), BMI (r = 0.25, p = 0.012), weight (r = 0.24, p = 0.015) and inversely correlated with ferritin (r = 21, p = 0.036). CONCLUSIONS: PCs, GGT and ALT (markers for NAFLD), and CRP and ferritin (markers for inflammation) decreased in morbidly obese after RYGBP. The decrease in PCs correlated with alterations in CRP, BMI, weight and ferritin. The lowering of liver enzymes may reflect a lowered liver fat content and decreased general inflammation. PMID- 29222768 TI - Thai Norms for Name, Image, and Category Agreement, Object Familiarity, Visual Complexity, Manipulability, and Age of Acquisition for 480 Color Photographic Objects. AB - Normative databases containing psycholinguistic variables are commonly used to aid stimulus selection for investigations into language and other cognitive processes. Norms exist for many languages, but not for Thai. The aim of the present research, therefore, was to obtain Thai normative data for the BOSS, a set of 480 high resolution color photographic images of real objects (Brodeur et al. in PLoS ONE 5(5), 2010. https://doi.org/10.1371/journal.pone.0010773 ). Norms were provided by 584 Thai university students on eight dimensions: name agreement, object familiarity, visual complexity, category agreement, image agreement, two types of manipulability (graspability and mimeability), and age of acquisition. The results revealed comparatively similar levels of name agreement to Brodeur et al. especially when unfamiliar items were factored out. The pattern of intercorrelations among the Thai psycholinguistic norms was comparable to previous studies and our cross-linguistic correlations were robust for the same set of pictures in English and French. Conjointly, the findings extend the relevancy of the BOSS to Thailand, supporting this photographic resource for investigations of language and other cognitive processes in monolingual, multilingual, and brain-impaired populations. PMID- 29222769 TI - Neurotrophic Factors: An Overview. AB - The neurotrophins are a family of closely related proteins that were first identified as survival factors for sympathetic and sensory neurons and have since been shown to control a number of aspects of survival, development, and function of neurons in both the central and peripheral nervous systems. Limiting quantities of neurotrophins during development control the numbers of surviving neurons to ensure a match between neurons and the requirement for a suitable density of target innervation. Biological effects of each of the four mammalian neurotrophins are mediated through activation of one or more of the three members of the tropomyosin-related kinase (Trk) family of receptor tyrosine kinases (TrkA, TrkB, and TrkC). In addition, all neurotrophins activate the p75 neurotrophin receptor (p75NTR), a member of the tumor necrosis factor receptor superfamily. Neurotrophin engagement of Trk receptors leads to activation of Ras, phosphatidylinositol 3-kinase, phospholipase C-gamma1, and signaling pathways controlled through these proteins, including the mitogen-activated protein kinases. Neurotrophin availability is required into adulthood, where they control synaptic function and plasticity and sustain neuronal cell survival, morphology, and differentiation. This article will provide an overview of neurotrophin biology, their receptors, and signaling pathways. PMID- 29222770 TI - Ocular Nerve Growth Factor (NGF) and NGF Eye Drop Application as Paradigms to Investigate NGF Neuroprotective and Reparative Actions. AB - The eye is a central nervous system structure that is uniquely accessible to local treatment. Through the ocular surface, it is possible to access the retina, optic nerve, and brain. Animal models of retina degeneration or optic nerve crush could thus serve as tools to investigate whether and how factors, which are anterogradely or retrogradely transported through the optic nerve, might contribute to activate neuroprotection and eventually regeneration. Among these factors, nerve growth factor (NGF) plays a crucial role during development of the visual system, as well as during the entire life span, and in pathological conditions. The ability of NGF to exert survival and trophic actions on the retina and brain cells when applied intraocularly and topically as eye drops is critically reviewed here, together with the effects of ocular neurotrophins on neuronal pathways influencing body rhythm, cognitions, and behavioral functions. The latest data from animal models and humans are presented, and the mechanism of action of ocularly administered NGF is discussed. NGF eye drops are proposed as an experimental strategy to investigate the role and cellular targets of neurotrophins in the mechanism(s) underlying neurodegeneration/regeneration and their involvement in the regulation of neurological and behavioral dysfunctions. PMID- 29222771 TI - Culture of Rodent Cortical, Hippocampal, and Striatal Neurons. AB - Neurons cultured from rodent central nervous system tissues represent important tools in the study of neurodegenerative disease mechanisms and neuroregenerative processes, including the survival- and axon growth-promoting properties of neurotrophic factors. This chapter presents a detailed protocol for the preparation of rat and mouse cortical, hippocampal, and striatal neuron cell cultures, using either embryonic or postnatal tissue with enzymatic digestion. PMID- 29222772 TI - Culture of Neonatal Rodent Microglia, Astrocytes, and Oligodendrocytes from the Cortex, Spinal Cord, and Cerebellum. AB - The protocol described in this chapter covers the preparation and culture of enriched populations of microglia, astrocytes, and oligodendrocytes from the cortex and spinal cord of neonatal rat and mouse. The procedure is based on enzymatic digestion of the tissue, followed by the culture of a mixed glial cell population which is then utilized as the starting point for the isolation, via differential attachment, of the different cell types. PMID- 29222773 TI - Central Nervous System Neuron-Glia co-Culture Models and Application to Neuroprotective Agents. AB - Glial cell activation plays an important role in the pathogenesis of various neurodegenerative disorders. This article presents a protocol for the preparation of cultures consisting of rat embryonic cortical neurons grown in the presence of cortical microglia, in which the glia are present in physical contact with the neurons or separated by a semipermeable membrane barrier. An example of how such systems can be used to evaluate potential neuroprotective agents will also be described. PMID- 29222774 TI - Preparation of Adult Rat Sensory Neuron Cultures and Their Application to Growth Cone Turning Assays. AB - The directional trajectory of growing peripheral nerve axons in the adult impacts their successful regeneration to denervated target tissues. Misdirected axons in neuromas, injured nerve trunks, or nerves with attempted repair diminish the success of regeneration. The behavior of adult rodent peripheral sensory neurons in vitro, in turn, is helpful in predicting axonal behavior in vivo. Here, we describe the adaptation of embryonic neuron growth cone turning assays, an important technique in developmental neurobiology, to adult rat sensory neurons. With some key modifications, and selection of subtypes of neurons likely to respond to a purported growth factor, short-term responses to molecular gradients can be analyzed using routine dorsal root ganglion neuronal cell culture techniques. The caveats are that short-term turning does not necessarily reflect on the overall tropic impact of a molecule, particularly if it alters growth cones through intra-axonal translation. Similarly, to understand the trajectory of an axon, it must be in a growth mode, such as that associated with preconditioning from previous injury. PMID- 29222775 TI - Sensory Neurons from Tau Transgenic Mice and Their Utility in Drug Screening. AB - Tau misfolding is a major cause of neurodegeneration, tauopathies being a growing group of diseases in which tau forms insoluble aggregates, best known in Alzheimer disease as neurofibrillary tangles (NFTs). Many transgenic mouse models of tauopathies have been generated, but it has been difficult to demonstrate disease in primary brain neurons from these mice because neurons need to be harvested within a few days of birth and tau fails to produce NFTs. Transgenic mice have been generated that express the 0N4R isoform of human tau mutated at amino acid 301 (P301S mice) under the Thy1.2 promoter. These mice, which model an inherited form of frontotemporal dementia, develop NFTs around 5 months of age. Taking advantage of the fact that Thy1.2 is expressed in the peripheral nervous system, we found that dorsal root ganglion (DRG) neurons express P301S tau and develop tau pathology along a similar time course to that found in central nervous system neurons in mice. Thus, NFTs are well-developed around 5 months of age. Because DRG neurons can be cultured from adult mice for months, they have proven to be an excellent model for studying how tau pathology develops and for screening compounds that may ameliorate tau pathology. Here we present a detailed protocol for the preparation of long-term DRG neuron cultures and describe how to study whether activation of autophagy ameliorates tau pathology. PMID- 29222776 TI - Culture of Rat Mesencephalic Dopaminergic Neurons and Application to Neurotoxic and Neuroprotective Agents. AB - Dopaminergic neuronal cell degeneration is the principal characteristic feature of the neuropathology of Parkinson disease. Cultures of mesencephalic neurons are widely used as a source of dopaminergic neurons for the study of mechanisms implicated in dopaminergic cell death and for the evaluation of potential dopaminergic neuroprotective agents, including neurotrophic factors. This chapter presents a detailed protocol for the preparation of rat mesencephalic cell cultures and their application to evaluating the effect of the dopaminergic neurotoxin 1-methyl-4-phenylpyridinium and the neuroprotective action of brain derived neurotrophic factor. PMID- 29222777 TI - Culture of Neurons and Smooth Muscle Cells from the Myenteric Plexus of Adult Mice. AB - In the enteric nervous system, neurons make contact with smooth muscle cells to regulate gastrointestinal functions. Since neuronal cell alterations and intestinal motor dysfunctions are strictly linked, in vitro models based on the culture of neurons or smooth muscle cells are of great advantage to elucidate the functions of the enteric nervous system under physiological and pathological conditions. In this chapter, we provide the protocol for isolation of neurons and smooth muscle cells from the myenteric plexus of adult mice. The isolated cells are suitable for immunocytochemical applications or electrophysiological investigations and/or co-culturing experiments. PMID- 29222778 TI - Astrocyte/Microglia Cocultures as a Model to Study Neuroinflammation. AB - Glial cell activation plays an important role in the pathogenesis of various neurodegenerative disorders as well as in chronic and neuropathic pain. This chapter describes a model which allows one to assess the individual and combined contributions of astrocytes and microglia in response to a pro-inflammatory stimulus, with emphasis on ionotropic purinergic receptors. PMID- 29222779 TI - Micropatterned Geometry Shape Oligodendrocyte and Microglia Plasticity. AB - Cellular adhesion is essential in maintaining multicellular structure by connecting cells to each other in vivo and to a biomimetic substrate in vitro. In this context, one of the first steps toward the comprehension, for instance, of oligodendrocyte and microglia adhesion and migrating behavior consists in discriminating the different morphological features that can be acquired when cells are cultured on diverse surface topographies that mimic an in vivo three dimensional environment. With this in mind, in this chapter, we describe how to exploit the silicon isotropic topography consisting of line-grating geometries and micropillar structures fabricated on polydimethylsiloxane by soft lithography. By reproducing a specialized niche for the cells, micropatterned biomimetic substrates can help to understand the role of structural determinants in priming morphogenesis of oligodendrocytes and microglia and can be exploited for translational research on functional tissue engineering and implantable device design. PMID- 29222780 TI - Oligodendrocyte Progenitor Cell Cultures: A Model to Screen Neurotrophic Compounds for Myelin Repair. AB - The protocol presented in this chapter covers the application of rat cortical oligodendrocyte progenitor cells cultured under conditions of differentiation for the evaluation of agents with potential trophic activity, that is, which are capable of promoting maturation under such conditions. As an example we have chosen a co-ultramicronized N-palmitoylethanolamine/luteolin composite, a formulation described in the literature as possessing anti-inflammatory, neuroprotective, and neuroregenerative actions. PMID- 29222781 TI - Cell Enumeration Assays: Application of the MTT and Sulforhodamine B Assays to Lipopolysaccharide-Stimulated Neonatal Rodent Microglia. AB - Glial cell activation, in particular microglia, plays an important role in the pathogenesis of various neurodegenerative disorders as well as in chronic and neuropathic pain. This chapter compares two established cell enumeration assays, namely, the colorimetric 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide assay and the protein-binding sulforhodamine B assay for microglia as a function of culture condition and activation state. The pros and cons of each are then described. PMID- 29222782 TI - Diolistic Labeling and Analysis of Dendritic Spines. AB - Dendritic spines are diverse and plastic components of the neuronal cell apparatus and are highly responsive to trophic factors during both development and adulthood. Diolistic labeling of neurons with lipophilic fluorescent dyes, coupled with advanced high-resolution microscopy methods, provides robust labeling of dendritic spines for assessment of their density and morphology. Here, we describe a method for labeling of dendritic spines using diolistic labeling in ex vivo brain slices, visualization using confocal laser scanning microscopy, deconvolution, and analysis using the Surpass module of Bitplane Imaris software. PMID- 29222783 TI - Culture of Mouse Giant Central Nervous System Synapses and Application for Imaging and Electrophysiological Analyses. AB - Primary neuronal cell culture preparations are widely used to investigate synaptic functions. This chapter describes a detailed protocol for the preparation of a neuronal cell culture in which giant calyx-type synaptic terminals are formed. This chapter also presents detailed protocols for utilizing the main technical advantages provided by such a preparation, namely, labeling and imaging of synaptic organelles and electrophysiological recordings directly from presynaptic terminals. PMID- 29222784 TI - Methods for Quantitative Analysis of Axonal Cargo Transport. AB - Neurons rely on complex axonal transport mechanisms that mediate the intracellular dynamics of proteins, vesicles, and mitochondria along their high polarized structure. The fast improvement of live imaging techniques of fluorescent cargos allowed the identification of the diverse motion properties of different transported molecules. These properties arise as the result of molecular interactions between many players involved in axonal transport. Motor proteins, microtubule tracks, cargo association, and even axonal viscosity contribute to the proper axonal dynamics of different cargos. The unique properties in each cargo determine their distribution and location that is relevant to ensure neuronal cell activity and survival. This chapter provides a computational-based method for the generation of cargo trajectories and the identification of different motion regimes while cargo moves along axons. Then, the procedure to extract relevant parameters from active, diffusive, and confined motion is provided. These properties will allow a better comprehension of the nature and characteristics of cargo motion in living cells, therefore contributing to understanding the consequences of transport defects that arise during diseases of the nervous system. PMID- 29222785 TI - Neuronal Cell Morphology in Primary Cerebellar Granule Cells Using High-Content Analysis. AB - Neurite outgrowth, one of the underlying cellular processes that defines the development and functionality of the mammalian nervous system, is also a sensitive indicator of neuronal cell health. From screening libraries of putative neurotherapeutic compounds to analyzing the millions of environmental pollutants for which we have inadequate neurotoxicity safety data, the large volume of chemical compounds that require evaluation is a major obstacle for manual imaging and analysis methods. In this context, high-content analysis (HCA) has emerged as a sensitive and accurate method for detecting changes in neuronal cell morphology within a format applicable to screening large chemical libraries. Advances in HCA technologies have enabled the automated imaging and quantitative analysis of neurite outgrowth morphology within a 96-well plate in less than 5 min. Traditionally, neurite outgrowth assessment has been conducted on immortalized cell lines such as pheochromocytoma (PC-12) cells that differentiate into neuron like cells upon culture with nerve growth factor. Unfortunately, they do not retain all the in vivo characteristics of physiological neuronal tissue, including lack of synapse formation. As researchers refine neurite outgrowth quantitative analysis using HCA, an emerging question is how to quantify this biology in more complex models that more faithfully recapitulate in vivo environments. Primary neurons provide several benefits relative to neuronal cell lines, including the elaboration of axons from secondary dendrites and formation of both pre- and postsynaptic junctions. This chapter reviews techniques for evaluating neurite outgrowth using the ArrayScan HCA platform within a model system of primary cultures of rodent cerebellar granule cells. PMID- 29222786 TI - Nerve Growth Factor-Induced Angiogenesis: 1. Endothelial Cell Tube Formation Assay. AB - Nerve growth factor (NGF) is a neurotrophin promoting survival, proliferation, differentiation, and neuroprotection in the embryonal and adult nervous system. NGF also induces angiogenic effects in the cardiovascular system, which may be beneficial in engineering new blood vessels and for developing novel anti angiogenesis therapies for cancer. Angiogenesis is a cellular process characterized by a number of events, including endothelial cell migration, invasion, and assembly into capillaries. In vitro endothelial tube formation assays are performed using primary human umbilical vein endothelial cells, human aortic endothelial cells, and other human or rodent primary endothelial cells isolated from the vasculature of both tumors and normal tissues. Immortalized endothelial cell lines are also used for these assays. When seeded onto Matrigel, these cells reorganize to create tubelike structure, which may be used as models for studying some aspects of in vitro angiogenesis. Image acquisition by light and fluorescence microscopy and/or quantification of fluorescently labeled cells can be carried out manually or digitally, using commercial software and automated image processing. Here we detail materials, procedure, assay conditions, and cell labeling for quantification of endothelial cell tube formation. This model can be applied to study cellular and molecular mechanisms by which NGF or other neurotrophins promote angiogenesis. This model may also be useful for the development of potential angiogenic and/or anti-angiogenic drugs targeting NGF receptors. PMID- 29222787 TI - Nerve Growth Factor-Induced Angiogenesis: 2. The Quail Chorioallantoic Membrane Assay. AB - The avian chorioallantoic membrane (CAM) is a simple, highly vascularized extraembryonic membrane, which performs multiple functions during embryonic development. Therefore, the models of chicken and quail assays represent robust experimental platforms to study angiogenesis, which reflects perturbation of the entire vascular tree. This experimental approach, when combined with fractal morphometry, is sensitive to changes in vascular branching pattern and density. Nerve growth factor is a neurotrophin promoting angiogenesis in CAM models. Here, we provide a detailed protocol of the quail CAM, shell-less model, to study nerve growth factor effects on blood capillary sprouting. The quail CAM assay may be beneficial in investigations of cellular and molecular aspects of neurotrophin induced angiogenesis and for developing novel anti-angiogenesis and anticancer therapies. PMID- 29222788 TI - Rat Pancreatic Beta-Cell Culture. AB - In this chapter, we describe the methods used to culture mainly rat pancreatic beta cells. We consider necessary to use this approach to get more information about physiological, biophysical, and molecular biology characteristics of primary beta cells. Most of the literature published has been developed in murine and human beta-cell lines. However, there are many differences between tumoral cell lines and native cells because, in contrast to cell lines, primary cells do not divide. Moreover, cell lines can be in various stages of the cell cycle and thus have a different sensitivity to glucose, compared to primary cells. Finally, for these reasons, cell lines can be heterogeneous, as the primary cells are. The main problem in using primary beta cells is that despite that they are a majority within a culture they appear mixed with other kinds of pancreatic islet cells. If one needs to identify single cells or has an only beta-cell composition, it is necessary to process the sample further. For example, one may obtain an enriched population of beta cells using fluorescence-activated cell sorting or identify single cells with the reverse hemolytic plaque assay. The other problem is that cells change with time in culture, becoming old and losing some characteristics, and so must be used preferentially during the first week. The development of human beta-cell cultures is of importance in medicine because we hope one day to be able to transplant viable beta cells to patients with diabetes mellitus type 1. PMID- 29222789 TI - Growth and Neurotrophic Factors in Embryonic Stem Cells. AB - In this chapter we illustrate protocols to investigate growth and neurotrophic factors in human and rodent (rat and mouse)-derived embryonic stem cells. The conventional two-dimensional cell monolayer system to grow embryonic stem cells is presented, focusing on the coating strategies also using extracellular matrix components. Then, different approaches for three-dimensional stem cell culture are presented, using hydrogels and scaffolds. Quantitative polymerase chain reaction, immunocytochemistry, immunoenzymatic ELISA assay, and multiparametric assays to quantify growth and neurotrophic factor production are presented. PMID- 29222790 TI - Site-Specific Direct Labeling of Neurotrophins and Their Receptors: From Biochemistry to Advanced Imaging Applications. AB - We describe here a versatile methodological platform to achieve site-directed and stoichiometry-controlled labeling of neurotrophins and their receptors with various probes, ranging from biotin to small organic dyes. This labeling method works in vitro on purified neurotrophins as well as in a living cell context, where it achieves selective labeling of surface-exposed neurotrophin receptors. Here, we list all experimental details of our labeling protocols, along with examples of the wide range of applications in which these can be used. PMID- 29222791 TI - Isolation and Culture of Brain Microvascular Endothelial Cells for In Vitro Blood Brain Barrier Studies. AB - The blood-brain barrier (BBB) is essential to maintain the proper microenvironment for brain function. Although formed by different cell types, the endothelial cells (ECs) of the brain microvessels provide the BBB with its selective permeability. To study the BBB in vitro, EC lines as well as primary isolated ECs have been used. In this chapter, we will provide a detailed protocol on how to isolate and culture primary brain microvascular endothelial cells from different species for use as in vitro models of the BBB. When performed properly, this protocol will allow one to obtain a pure culture of brain microvascular endothelial cells with which to analyze the effects of therapeutic and toxic agents on BBB functions. PMID- 29222792 TI - Preparation of Rat Hippocampal Organotypic Cultures and Application to Study Amyloid beta-Peptide Toxicity. AB - Hippocampal organotypic cultures constitute a very easy but delicate method widely used to study amyloid beta-peptide toxicity. This ex vivo technique is performed on tissues isolated from newborn rats. Here, we describe a protocol for the preparation and culture of hippocampal organotypic slices that can be maintained for 14-21 days and their application to the study of amyloid beta peptide toxicity. PMID- 29222793 TI - An Animal Model of Alzheimer Disease Based on the Intrahippocampal Injection of Amyloid beta-Peptide (1-42). AB - The intrahippocampal injection of amyloid beta peptide (1-42) (Abeta(1-42)) represents one of the most useful animal models of Alzheimer disease. Since none of these available models fully represents the main pathological hallmarks of Alzheimer disease, stereotaxic Abeta(1-42) infusion provides researchers with an in vivo alternative paradigm. When performed by well-trained individuals, this model is the best-suited one for short-term studies focusing on the effects of Abeta(1-42) on a specific brain region or circuitry. Here, we describe all methodological phases of such a model. PMID- 29222794 TI - Active Induction of Experimental Autoimmune Encephalomyelitis in C57BL/6 Mice. AB - The protocol in this chapter presents a method to actively induce experimental autoimmune encephalomyelitis (EAE), one of the most widely used animal models to study efficacy of potential drugs for treatment of multiple sclerosis. Multiple sclerosis is an inflammatory, demyelinating disease of the central nervous system and the most common cause of chronic neurological impairment in young people. In this model EAE is induced in female C57BL/6 mice by immunization with an emulsion of myelin oligodendrocyte glycoprotein (fragment 35-55) in complete Freund's adjuvant, followed by administration of pertussis toxin in phosphate-buffered saline. EAE is evidenced by ascending flaccid paralysis with inflammation targeting the spinal cord. PMID- 29222795 TI - A Model of Systemic Inflammation to Study Neuroinflammation. AB - Increasing evidence suggests that neurodegeneration occurs in part because the environment is affected during disease in a cascade of processes collectively termed neuroinflammation. This is a reactive response of the central nervous system against noxious elements that interfere with tissue homeostasis. Neuroinflammation is mediated by inflammatory molecules released by microglial cells. Understanding and controlling interactions between the immune system and microglial activation might represent the key to prevent or delay the onset of central nervous system diseases. This chapter details techniques to generate and characterize an in vivo model of neuroinflammation based on a single intraperitoneal injection of lipopolysaccharide, which can be used to understand the wide variety of cellular and molecular mechanisms of neuroinflammation, as well as to identify new therapies by testing the anti-inflammatory properties of synthetic and natural molecules. PMID- 29222796 TI - Spared Nerve Injury as a Long-Lasting Model of Neuropathic Pain. AB - This chapter describes surgical procedures for the induction of neuropathic pain using an animal model (rat or mouse) of spared nerve injury. In addition to technical details of the surgical technique, details of anesthesia and perioperative care are also included. PMID- 29222797 TI - An In Vivo Compression Model of Spinal Cord Injury. AB - Animal spinal cord injury (SCI) models have proven highly useful for investigating the mechanisms involved in the injury process and evaluating the effectiveness of experimental therapeutic interventions. Over the last years, substantial improvements have been made in producing consistent and reproducible animal SCI models. Different SCI models have been developed to address the mechanism of injury, being divided into contusion, compression, distraction, dislocation, transection, or chemical models. The method described here is a mouse compression model of SCI that, in many respects, faithfully reproduces SCI in man. PMID- 29222798 TI - A Controlled Cortical Impact Preclinical Model of Traumatic Brain Injury. AB - Over the past three decades, attempts at understanding the multifaceted mechanisms underlying the pathophysiology of traumatic brain injury (TBI) have seen the development of numerous animal models to investigate changes in molecular and cellular pathways and neurobehavioral outcomes. Until now, controlled cortical impact (CCI) represents the most frequently used mechanical model to induce TBI, given its accuracy, easy of control, and, most importantly, its ability to produce brain injuries similar to those seen in humans. The CCI model is based on the use of an impact system that delivers a physical impact to the exposed dura of an animal. This chapter will describe in detail the electromagnetic CCI model of TBI in mice. PMID- 29222799 TI - Middle Cerebral Artery Occlusion by an Intraluminal Suture Method. AB - Stroke represents the most common fatal neurological disease especially in highly developed countries. Even today, treatment options are very limited. The development of new therapeutic approaches replies, to a great extent, on experimental rodent models of focal cerebral ischemia. Since ~80% of ischemic strokes occur in the area of middle cerebral artery (MCA), a number of these stroke models are based on this artery. The intraluminal monofilament model of MCA occlusion involves the insertion of a surgical filament inside the external carotid artery and its extension into the internal carotid artery until the tip occludes the source of the MCA-thus arresting blood flow with resultant infarction in the MCA area. This technique can be utilized to model both permanent and transient occlusions. A major advantage of this technique is that it does not require craniectomy, which may affect intracranial pressure and temperature. Although the restored blood flow is unlike the pathophysiology of spontaneous human stroke, it more closely mimics the therapeutic state of mechanical thrombectomy which is increasingly being applied to patients with stroke. PMID- 29222800 TI - Primary Motor Neuron Culture to Promote Cellular Viability and Myelination. AB - A culture system that can recapitulate myelination in vitro will not only help us to better understand the mechanism of myelination and demyelination but also identify possible therapeutic interventions for treating demyelinating diseases. Here, we introduce a simple and reproducible myelination culture system using mouse motor neurons (MNs) and Schwann cells (SCs). Dissociated motor neurons are plated on a feeder layer of SCs, which interact with and wrap around the axons of MNs as they differentiate in culture. In our MN-SC co-culture system, MNs survive over 3 weeks and extend long axons. Both viability and axon growth of MNs in the co-culture are markedly enhanced as compared to those of MN monocultures. Co labeling of myelin basic proteins and neuronal cell microtubules reveals that SCs form myelin sheaths by wrapping around the axons of MNs. PMID- 29222801 TI - Culture of Human Primary Bone Cells and Phenotype Assessment. AB - Bone engineering scaffolds and biomimetic substitutes are currently the leading techniques to repair and regenerate bone defects. Ideally, bone grafts should imitate the structure and properties of bone extracellular matrix, house osteoprogenitor cells, and provide all the necessary environmental cues to orchestrate the functions of osteoblast and osteoclast cells. Consequently, there is an increasing demand for preclinical models based on in vitro bone-derived cell cultures for screening of novel biomaterials. In this chapter, we provide the protocols for culture of primary human bone cells from explants of cortical mandible bone and for characterization of cell behavior on biomimetic surfaces in terms of strength of adhesion, proliferation, differentiation, and matrix mineralization. PMID- 29222802 TI - Recreating Intestinal Peristalsis in the Petri Dish. AB - Here we describe a culture technique of cells dissociated from the external muscularis of the guinea pig small intestine, which allows us to maintain all the elements involved in the intestinal peristaltic reflex. After a few days in culture, these cells reorganize to form a small group of cells that permit the generation of pacemaker activity, spontaneous contractions, and the development of inhibitory and excitatory junction potentials in the petri dish, all elements involved in the peristaltic reflex. Therefore, these co-cultures are suitable to study the cellular and molecular aspects related to the development, maintenance, and modulation of motor intestinal functions. PMID- 29222803 TI - Synthesis of Biocompatible Titanate Nanofibers for Effective Delivery of Neuroprotective Agents. AB - Nanoscience provides us with new opportunities to develop nanotechnologies for treating, in particular, central nervous system disorders such as Alzheimer disease and multiple sclerosis. From a methodological point of view, it is challenging to deliver drugs effectively across the blood-brain barrier and blood cerebrospinal fluid barrier. Our 10-year data and reports from both in vivo and in vitro studies, however, have consistently proved that therapeutic drugs of different types can be generally loaded in/on the nanocarriers for targeted and programmable deliveries to the central nervous system with a high degree of efficacy. This chapter presents a protocol for the synthesis of biocompatible titanate nanofibers as low-cost drug delivery cargos. In addition, a procedure for loading the neuroprotective agent Cerebrolysin onto the nanofibers is briefly described. Finally, experimental observations on the use of nanodrug delivery for superior neuroprotective effects of Cerebrolysin in traumatic brain injury are given as a proof of concept as compared to normal drug alone. PMID- 29222804 TI - Preparation and Characterization of Biocompatible Chitosan Nanoparticles for Targeted Brain Delivery of Peptides. AB - Here, we describe a nanocarrier system that can transfer chitosan nanoparticles loaded with either small peptides such as the caspase inhibitor Z-DEVD-FMK or a large peptide like basic fibroblast growth factor across the blood-brain barrier. The nanoparticles are selectively directed to the brain and are not measurably taken up by the liver and spleen. Intravital fluorescent microscopy provides an opportunity to study the penetration kinetics of nanoparticles loaded with fluorescent agents such as Nile red. Nanoparticles functionalized with anti transferrin antibody and loaded with peptides efficiently provided neuroprotection when systemically administered either as a formulation bearing a single peptide or a mixture of them. Failure of brain permeation of the nanoparticles after inhibition of vesicular transcytosis by imatinib as well as when nanoparticles were not functionalized with anti-transferrin antibody indicates that this nanomedicine formulation is rapidly transported across the blood-brain barrier by receptor-mediated transcytosis. PMID- 29222805 TI - The present and future of the Japan Society for the Promotion of Science Alumni Association in Australia (JSPSAAA). PMID- 29222806 TI - Identification of UDP-glucose binding site in glycosyltransferase domain of sucrose phosphate synthase from sugarcane (Saccharum officinarum) by structure based site-directed mutagenesis. AB - Sucrose phosphate synthase (SPS) is believed to be the key enzyme for controlling the biosynthesis of sucrose. SPSs consist of a functional glycosyltransferase domain that shares conserved residues with the glycosyltransferase domain of sucrose biosynthesis-related protein. The formation of sucrose-6-phosphate is catalyzed by SPS with the transfer of a glycosyl group of uridine diphosphate glucose (UDP-G) as an activated donor sugar to a fructose-6-phosphate as a sugar acceptor. However, understanding of the mechanism of catalytic and substrate binding in SPS is very limited. Based on amino acid sequence alignments with several enzymes that belong to the glycosyltransferase family, the UDP-G binding sites that might be critical for catalytic mechanism were identified. Here, we report that single point mutation of R496, D498, and V570 located in the proposed UDP-G binding site led to less active or complete loss of enzyme activity. Through structure-based site-directed mutagenesis and biochemical studies, the results indicated that these residues contribute to the catalytic activity of plant SPS. Moreover, understanding of the UDP-G binding site provides an insight into new strategies for enzyme engineering and redesigning a catalytic mechanism for UDP. PMID- 29222807 TI - Long non-coding RNA expression in bladder cancer. AB - The advent of novel high-throughput sequencing methods has facilitated identification of non-coding RNAs with fundamental roles in cellular biological and pathological conditions. A group of these consisting of at least 200 nucleotides are called long non-coding RNAs (lncRNAs). Their participation in the pathogenesis of cancer has been highlighted in recent years. Bladder cancer, one of the most prevalent cancers worldwide, exhibits altered expression levels of several lncRNAs. Several in vitro and in vivo studies have assessed the effects of silencing RNAs on cancer cell phenotypes and in vivo tumor growth. For instance, in vitro studies have shown that nuclear paraspeckle assembly transcript 1 (NEAT1), promoter of CDKN1A antisense DNA damage-activated RNA(PANDAR) and metastasis-associated lung adenocarcinoma transcript 1(MALAT1) have oncogenic effects while Maternally expressed 3 (MEG3) and BRAF activated non coding RNA (BANCR) are tumor suppressors. Analysis of these data will help to identify a panel of lncRNAs that can be potentially used for both early detection and prognosis in bladder cancer patients. Here, we review the roles of several lncRNAs in the oncogenesis, tumor suppression, early detection, and prognosis of bladder cancer. PMID- 29222809 TI - Effect of abutment height on interproximal implant bone level in the early healing: A randomized clinical trial. AB - OBJECTIVE: The aim of this randomized clinical trial was to compare the effect on the interproximal implant bone loss (IBL) of two different heights (1 and 3 mm) of definitive abutments placed at bone level implants with a platform switched design. MATERIAL AND METHODS: Twenty-two patients received forty-four implants (6.5-10 mm length and 3.5-4 mm diameter) to replace at least two adjacent missing teeth, one bridge set to each patient-two implants per bridge. Patients were randomly allocated, and two different abutment heights, 1 and 3 mm using only one abutment height per bridge, were used. Clinical and radiological measurements were performed at 3 and 6 months after surgery. Interproximal bone level changes were compared between treatment groups. The association between IBL and categorical variables (history of periodontitis, smoking, implant location, implant diameter, implant length, insertion torque, width of keratinized mucosa, bone density, gingival biotype and antagonist) was also performed. RESULTS: At 3 months, implants with a 1-mm abutment had significantly greater IBL (0.83 +/- 0.19 mm) compared to implants with a 3-mm abutment (0.14 +/- 0.08 mm). At 6 months, a greater IBL was observed at implants with 1-mm abutments compared to implants with 3-mm abutments (0.91 +/- 0.19 vs. 0.11 +/- 0.09 mm). The analysis of the relation between patient characteristics and clinical variables with IBL revealed no significant differences at any moment except for smoking. CONCLUSIONS: Abutment height is an important factor to maintain interproximal implant bone level in early healing. Short abutments led to a greater interproximal bone loss in comparison with long abutments after 6 months. Other variables except smoking showed no relation with interproximal bone loss in early healing. PMID- 29222808 TI - "Just a spoonful of sugar...": import of sialic acid across bacterial cell membranes. AB - Eukaryotic cell surfaces are decorated with a complex array of glycoconjugates that are usually capped with sialic acids, a large family of over 50 structurally distinct nine-carbon amino sugars, the most common member of which is N acetylneuraminic acid. Once made available through the action of neuraminidases, bacterial pathogens and commensals utilise host-derived sialic acid by degrading it for energy or repurposing the sialic acid onto their own cell surface to camouflage the bacterium from the immune system. A functional sialic acid transporter has been shown to be essential for the uptake of sialic acid in a range of human bacterial pathogens and important for host colonisation and persistence. Here, we review the state-of-play in the field with respect to the molecular mechanisms by which these bio-nanomachines transport sialic acids across bacterial cell membranes. PMID- 29222810 TI - Monocytes enhance neutrophil-induced blister formation in an ex vivo model of bullous pemphigoid. AB - BACKGROUND: Lesions of bullous pemphigoid (BP), an autoimmune subepidermal blistering disease characterized by the presence of tissue-bound and circulating autoantibodies to hemidesmosomal antigens, harbor a mixed inflammatory cellular infiltrate. In various models, neutrophils, eosinophils, mast cells, monocytes as well as B and T cells have been shown to be involved in the pathogenesis of BP. However, their interactions with and effective role in blister formation remain uncertain. This study was aimed at investigating the effect of monocyte/neutrophil interaction on blister formation in an ex vivo BP model. METHODS: Skin cryosections were incubated with purified human neutrophils and monocytes, in the presence or absence of BP autoantibodies. Production of reactive oxygen species (ROS), degranulation, mediator release (neutrophil elastase [NE], myeloperoxidase [MPO], matrix metalloproteinase-9 [MMP-9]), binding of Fcgamma receptor (CD16, CD32, CD64), and cell adhesion (CD18, ICAM-1) was investigated using appropriate inhibitors. Dermal-epidermal separation (DES) was assessed by light microscopy and quantified by Fiji software. RESULTS: Monocytes and neutrophils synergistically interact resulting in a significantly higher DES compared to either monocytes or neutrophils separately (P < .0001). Monocyte/neutrophil-induced DES was associated with increased ROS production and was dependent on adhesion and FcgammaRIII binding. Upon stimulation by the granule-poor fraction of monocyte supernatants, neutrophils increased their release of MMP-9, thereby also DES at the dermal-epidermal junction of skin cryosections. CONCLUSION: Our observations suggest that the interaction of cells, as shown here for monocytes and neutrophils, enhances mediator release resulting in an increased subepidermal blister formation. Thus, blocking intercellular cross talk promises a new therapeutic approach for blocking tissue damage in BP. PMID- 29222811 TI - Association of HLA-DQB1*03:03 with pityriasis rosea in Chinese patients. AB - BACKGROUND: The association of human leucocyte antigen (HLA) with a variety of diseases has been described, especially with various autoimmune diseases. However, there are few studies on the association between HLA and pityriasis rosea (PR). AIM: To investigate the relevance of HLA II alleles with the development of PR. METHODS: Typing for HLA-DRB1, HLA-DQA1 and HLA-DQB1 typing was performed in 55 patients with PR and 90 healthy controls (HCs), using sequence based typing (SBT) and PCR with sequence-specific primers (PCR-SSP), respectively. RESULTS: We found that the frequency of HLA-DQB1*03:03 was significantly higher in the PR compared with the HC group [P = 0.001; relative risk (RR) = 2.24; 95% CI 1.38-3.6], while suggestive evidence for a protective effect of HLA-DQB1*06:06 was observed in the study cohort (P < 0.02; RR = 0.40; 95% CI 0.17-0.90). CONCLUSIONS: The HLA-DQB1*03:03 allele may be a susceptible factor in patients with PR. In addition, the association of HLA-DQB1*03:03 with PR suggests participation of immunity in the pathogenesis of PR. PMID- 29222812 TI - Spheroid-type of AL amyloid deposition associated with colonic adenocarcinoma: A case report with literature review. AB - We report a colonic adenocarcinoma associated with diffuse submucosal deposition of a peculiar spheroid-type amyloid identified in the colon, terminal ileum, and appendix. A 65-year-old woman with past medical histories of hypertension, and chronic obstructive pulmonary disease, presented to the emergency room with cramping abdominal pain and nausea. A computed tomography (CT) scan of abdomen showed right colonic volvulus. Emergency right hemicolectomy was performed. The specimen showed colonic adenocarcinoma with focal submucosal invasion (pT1) arising from a villotubular adenoma. A diffuse submucosal spheroid-type amyloid deposition (resembling corpora amylacea-like structures with Liesegang ring formation) was identified in the colon, ileum, and appendix. Electron microscopy examination of this unusual spheroidal-type material further confirmed the presence of amyloid fibrils. Analysis by liquid chromatography-mass spectrometry detected AL (lambda) type amyloidosis in this specimen. Tests for monoclonal gammopathy were not performed because patient consent was not obtained. In tissue section evaluation, however, no plasma cell neoplasm was identified. Cases with isolated AL amyloid deposition in the gastrointestinal tract have been reported rarely, and there is no case report of colonic adenocarcinoma associated with primary amyloid deposition in the English literature. PMID- 29222813 TI - RELN signaling modulates glioblastoma growth and substrate-dependent migration. AB - Glioblastoma (GBM) represents the most common and most malignant type of primary brain tumor and significantly contributes to cancer morbidity and mortality. Invasion into the healthy brain parenchyma is a major feature of glioblastoma aggressiveness. Reelin (RELN) is a large secreted extracellular matrix glycoprotein that regulates neuronal migration and positioning in the developing brain and sustains functionality in the adult brain. We here show that both RELN and its main downstream effector DAB1 are silenced in glioblastoma as compared to non-neoplastic tissue and mRNA expression is inversely correlated with malignancy grade. Furthermore, RELN expression is positively correlated with patient survival in two large, independent clinically annotated datasets. RELN silencing occurs via promoter hypermethylation as shown by both database mining and bisulfite sequencing of the RELN promoter. Consequently, treatment with 5' Azacytidine and trichostatin A induced RELN expression in vitro. On the functional level, we found RELN to regulate glioblastoma cell migration both in a DAB1 (tyrosine phosphorylation)-dependent and -independent fashion, depending on the substrate provided. Moreover, stimulation of RELN signaling strongly reduced proliferation in glioblastoma cells. This phenotype depends on DAB1 stimulation by RELN, as a mutant that lacks all RELN induced tyrosine phosphorylation sites (DAB1-5F) failed to induce a growth arrest. Proteomic analyzes revealed that these effects are mediated by a reduction in E2F targets and dephosphorylation of ERK1/2. Taken together, our data establish a relevance of RELN signaling in glioblastoma pathology and thereby might unearth novel, yet unrecognized treatment options. PMID- 29222814 TI - SIENA-XL for improving the assessment of gray and white matter volume changes on brain MRI. AB - In this article, SIENA-XL, a new segmentation-based longitudinal pipeline is introduced, for: (i) increasing the precision of longitudinal volume change estimation for white (WM) and gray (GM) matter separately, compared with cross sectional segmentation methods such as SIENAX; and (ii) avoiding potential biases in registration-based methods when Jacobians are used, with a smoothing extent larger than spatial scale between tissue-interfaces, which is where atrophy usually occurs. SIENA-XL implements a new brain extraction procedure and a multi time-point intensity equalization step before performing the final segmentation that also includes separate segmentation of deep GM structures by using FMRIB's Integrated Registration and Segmentation Tool. The detection of GM and WM volume changes with SIENA-XL was evaluated using different healthy control (HC) and multiple sclerosis (MS) MRI datasets and compared with the traditional SIENAX and two Jacobian-based approaches, SPM12 and SIENAX-JI (a version of SIENAX including Jacobian integration - JI). In scan-rescan data from HCs, SIENA-XL showed: (i) a significant decrease in error, of 50-70% when compared with SIENAX; (ii) no significant differences in error when compared with SIENAX-JI and SPM12 in a scan rescan HC dataset that included repositioning. When tested in a HC dataset with scan-rescan both at baseline and after 1 year of follow-up, SIENA-XL showed: (i) significantly higher precision (P < 0.01) than SIENAX; (ii) no significant differences to SIENAX-JI and SPM12. Finally, in a dataset of 79 MS patients with a 2 years follow-up, SIENA-XL showed a substantial reduction of sample size, by comparison with SIENAX, SIENAX-JI, and SPM12, for detecting treatment effects of 25, 30, and 50%. Hum Brain Mapp 39:1063-1077, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29222815 TI - Evaluation and Comparison of 2 On-Farm Tests for Estimating Somatic Cell Count in Quarter Milk Samples from Lactating Dairy Cattle. AB - BACKGROUND: The somatic cell count (SCC) is commonly used to monitor udder health and diagnose subclinical intramammary infection (IMI) in dairy cattle. HYPOTHESIS: The Somaticell test (ST) and California mastitis test (CMT) are clinically useful cow-side tests for diagnosing subclinical IMI. ANIMALS: One hundred and eleven dairy cows at dry-off and 92 cows within 4-7 days postcalving. METHODS: Quarter foremilk samples were obtained and analyzed with a DeLaval cell counter (DCC, reference method), ST, and CMT. The ST was run in a simulated cow side manner using milk at 37 degrees C instead of 0-8 degrees C as recommended by the manufacturer. Test performance for diagnosing IMI (DCC SCC >200,000 cells/mL) was evaluated by calculating the area under the receiver operating characteristic curve (AUC) and the kappa coefficient (kappa) at the optimal cut-point for each test. The effect of milk/reagent temperature also was evaluated. RESULTS: Compared to the reference method, the ST run in a simulated cow-side manner had an AUC = 0.68 and kappa = 0.24 at dry-off, and AUC = 0.74 and kappa = 0.40 in fresh cows. The CMT performed much better than the ST in diagnosing subclinical IMI with AUC = 0.88 and kappa = 0.77 at dry-off, and AUC = 0.87 and kappa = 0.76 in fresh cows. The measured ST value decreased with increasing temperature of the milk/reagent mixture. CONCLUSIONS/CLINICAL IMPORTANCE: The ST is optimized for use on milk at 0-8 degrees C and is therefore designed for on-farm use on refrigerated milk samples. The ST is not suited for use as a cow-side screening test for IMI because the milk temperature exceeds the recommended range for the test. PMID- 29222816 TI - Shyness and Trajectories of Functional Network Connectivity Over Early Adolescence. AB - High shyness during early adolescence is associated with impaired peer relationships and risk for psychiatric disorders. Little is known, however, about the relation between shyness and trajectories of brain development over early adolescence. The current study longitudinally examined trajectories of resting state functional connectivity (rs-fc) within four brain networks in 147 adolescents. Subjects underwent functional magnetic resonance imaging at three different time points, at average ages 10.5 (range = 7.8-13.0), 11.7 (range = 9.3 14.1), and 12.9 years (range = 10.1-15.2). Multilevel linear modeling indicated that high shyness was associated with a less steep negative slope of default mode network (DMN) rs-fc over early adolescence relative to low shyness. Less steep decreases in DMN rs-fc may relate to increased self-focus in adolescents with high shyness. PMID- 29222818 TI - Task-related effective connectivity reveals that the cortical rich club gates cortex-wide communication. AB - Higher cognition may require the globally coordinated integration of specialized brain regions into functional networks. A collection of structural cortical hubs referred to as the rich club-has been hypothesized to support task-specific functional integration. In the present paper, we use a whole-cortex model to estimate directed interactions between 68 cortical regions from functional magnetic resonance imaging activity for four different tasks (reflecting different cognitive domains) and resting state. We analyze the state-dependent input and output effective connectivity (EC) of the structural rich club and relate these to whole-cortex dynamics and network reconfigurations. We find that the cortical rich club exhibits an increase in outgoing EC during task performance as compared with rest while incoming connectivity remains constant. Increased outgoing connectivity targets a sparse set of peripheral regions with specific regions strongly overlapping between tasks. At the same time, community detection analyses reveal massive reorganizations of interactions among peripheral regions, including those serving as target of increased rich club output. This suggests that while peripheral regions may play a role in several tasks, their concrete interplay might nonetheless be task-specific. Furthermore, we observe that whole-cortex dynamics are faster during task as compared with rest. The decoupling effects usually accompanying faster dynamics appear to be counteracted by the increased rich club outgoing EC. Together our findings speak to a gating mechanism of the rich club that supports fast-paced information exchange among relevant peripheral regions in a task-specific and goal-directed fashion, while constantly listening to the whole network. PMID- 29222817 TI - Diverse inhibitory and excitatory mechanisms shape temporal tuning in transient OFF alpha ganglion cells in the rabbit retina. AB - KEY POINTS: Neurons combine excitatory and inhibitory signals to perform computations. In the retina, interactions between excitation and inhibition enable neurons to detect specific visual features. We describe how several excitatory and inhibitory mechanisms work together to allow transient OFF alpha ganglion cells in the rabbit retina to respond selectively to high temporal frequencies and thus detect faster image motion. The weightings of these different mechanisms change with the contrast and spatiotemporal properties of the visual input, and thereby support temporal tuning in alpha cells over a range of visual conditions. The results help us understand how ganglion cells selectively integrate excitatory and inhibitory signals to extract specific information from the visual input. ABSTRACT: The 20 to 30 types of ganglion cell in the mammalian retina represent parallel signalling pathways that convey different information to the brain. alpha ganglion cells are selective for high temporal frequencies in visual inputs, which makes them particularly sensitive to rapid motion. Although alpha ganglion cells have been studied in several species, the synaptic basis for their selective temporal tuning remains unclear. Here, we analyse excitatory synaptic inputs to transient OFF alpha ganglion cells (t-OFF alpha GCs) in the rabbit retina. We show that convergence of excitatory and inhibitory synaptic inputs within the bipolar cell terminals presynaptic to the t OFF alpha GCs shifts the temporal tuning to higher temporal frequencies. GABAergic inhibition suppresses the excitatory input at low frequencies, but potentiates it at high frequencies. Crossover glycinergic inhibition and sodium channel activity in the presynaptic bipolar cells also potentiate high frequency excitatory inputs. We found differences in the spatial and temporal properties, and contrast sensitivities of these mechanisms. These differences in stimulus selectivity allow these mechanisms to generate bandpass temporal tuning of t-OFF alpha GCs over a range of visual conditions. PMID- 29222820 TI - Erratum. PMID- 29222819 TI - Benign mesothelial nodules reflux within acquired cutaneous lymphangiectasia associated with huge ovarian clear cell carcinoma. PMID- 29222821 TI - Erratum. PMID- 29222822 TI - Coronary microvascular dysfunction and myocardial contractile reserve in women with angina and no obstructive coronary artery disease. AB - BACKGROUND: Coronary microvascular dysfunction (CMD) is a potential cause of myocardial ischemia and may affect myocardial function at rest and during stress. We investigated whether CMD was associated with left ventricular diastolic and systolic function at rest and during pharmacologically induced hyperemic stress. METHODS: In a prospective cohort study, we included 963 women with angina, left ventricular ejection fraction (LVEF) >45%, and an invasive coronary angiogram without significant stenosis (<50%). Parameters of left ventricular diastolic function, LVEF, speckle tracking-derived global longitudinal strain (GLS), and coronary flow velocity reserve (CFVR) were assessed by transthoracic echocardiography at rest and during dipyridamole stress. The GLS and LVEF reserves were defined as the absolute increases in GLS and LVEF during stress. RESULTS: Coronary flow velocity reserve (CFVR) was measured in 919 women of whom 26% had CMD (defined as CFVR < 2). Coronary microvascular dysfunction (CMD) was associated with higher age and a higher resting heart rate. Women with CMD had a reduced GLS reserve (P = .005), while we found no association between CFVR and LVEF at rest, GLS at rest, or the LVEF reserve, respectively. Global longitudinal strain (GLS) reserve remained associated with CFVR (P = .002) in a multivariable regression analysis adjusted for age, hemodynamic variables, and GLS at rest. In age-adjusted analysis, women with low CFVR had no signs of left ventricular diastolic dysfunction measured by echocardiography at rest. CONCLUSION: The GLS reserve was significantly lower in women with CMD. The mechanisms underlying the association between CMD and GLS reserve warrant further study. PMID- 29222823 TI - Dominant role of microglial and macrophage innate immune responses in human ischemic infarcts. AB - Inflammatory mechanisms, involving granulocytes, T-cells, B-cells, macrophages and activated microglia, have been suggested to play a pathogenic role in experimental models of stroke and may be targets for therapeutic intervention. However, knowledge on the inflammatory response in human stroke lesions is limited. Here, we performed a quantitative study on the inflammatory reaction in human ischemic infarct lesions. We found increased numbers of T-lymphocytes, mainly CD8+ cells, but not of B-lymphocytes. Their number was very low in comparison to that seen in inflammatory diseases of the central nervous system and they did not show signs of activation. Polymorphonuclear leukocytes were present in meninges and less prominently in the perivascular space in early lesions, but their infiltration into the lesioned tissue was sparse with the exception of a single case. Microglia were lost in the necrotic core of fresh lesions, their number was increased in the surrounding penumbra, apparently due to proliferation. Using TMEM119 as a marker for the resident microglia pool, macrophages in lesions were in part derived from the original microglia pool, depending on the lesion stage. Most microglia and macrophages revealed a pro inflammatory activation pattern, expressing molecules involved in phagocytosis, oxidative injury, antigen presentation and iron metabolism and had partially lost the expression of P2RY12, an antigen expressed on homeostatic ("resting") microglia in rodents. At later lesion stages, the majority of macrophages showed intermediate activation patterns, expressing pro-inflammatory and anti inflammatory markers. Microglia in the normal white matter of controls and stroke patients were already partly activated toward a pro-inflammatory phenotype. Our data suggest that the direct contribution of lymphocytes and granulocytes to active tissue injury in human ischemic infarct lesions is limited and that stroke therapy that targets pro-inflammatory microglia and macrophage activation may be effective. PMID- 29222824 TI - Elevated levels of the antimicrobial peptide LL-37 in hidradenitis suppurativa are associated with a Th1/Th17 immune response. AB - Hidradenitis suppurativa (HS) is an inflammatory skin disease with poorly understood immunopathogenic mechanisms. LL-37 is an antimicrobial peptide, which is transcribed from the CAMP (cathelicidin antimicrobial peptide) gene. Previous reports showed upregulated levels of CAMP and LL-37 in HS lesions, and therefore, the aim of this study was to compare levels of LL-37 in HS to other inflammatory skin diseases and to establish immunomodulatory functions of LL-37 in HS. We confirm an upregulation of the LL-37 peptide in lesional HS skin with comparable levels as in psoriasis patients and are able to positively correlate the presence of LL-37 in HS with the presence of T cells, macrophages, neutrophils, IFN-gamma, IL-17, IL-23, TNF-alpha, IL-32 and IL-1beta. Mechanistically, LL-37 boosts the proliferation of unspecifically activated CD4+ T cells via an increased calcium signalling independent of antigen-presenting cells. Targeting LL-37 may therefore represent a new therapeutic option for the treatment of this recalcitrant disease, but it has to be kept in mind that LL-37 also has an antimicrobial function. PMID- 29222825 TI - Outcome of sonography-based minimally invasive surgery for deep infiltrating endometriosis of the ureter and urinary bladder - a retrospective cohort study. AB - INTRODUCTION: The aim of this study was to evaluate the accuracy of transvaginal sonography for preoperative detection of bladder endometriosis and surgical outcomes regarding fertility and pain symptoms of women with urinary tract endometriosis. MATERIAL AND METHODS: Retrospective cohort study of consecutive patients with urinary tract endometriosis undergoing laparoscopic partial cystectomy and/or ureterolysis/decompression, ureteric resection and end-to-end anastomosis or ureteroneocystostomy for ureteral stenosis and hydronephrosis. RESULTS: Of 207 patients with deep infiltrating endometriosis, 50 exhibited urinary tract endometriosis, comprising 30 patients with bladder endometriosis and 23 women with solitary or additional hydronephrosis. Sensitivity, specificity, positive and negative predictive value, positive/negative likelihood ratios and test accuracy for transvaginal sonography detecting bladder endometriosis were 93%, 99%, 97%, 99%, 155.5, 0.07 and 98.6% respectively. All women with bladder endometriosis underwent partial cystectomy. In cases of hydronephrosis, 14 conservative ureterolysis/decompressions, six ureteral resection anastomoses and three ureteroneocystostomies were performed. Duration of surgery was 205 min (range 89-365 min), average blood loss was 1.6 g/dL (range 0.3-4.6 g/dL) and hospital stay on average 8 days (range 2-16 days). The conversion rate was 4%. We observed five grade III complications. After a median follow up of 23 months, there was a decrease in dysmenorrhea (7.6-1.6; p < 0.001), dyspareunia (3.0-0.9, p < 0.001) and dysuria (3.3-0.2; p < 0.003), and an increase in quality of life (3.3-8.1; p < 0.001). The overall clinical pregnancy rate was 46% and life birth rate 18%. CONCLUSIONS: Laparoscopic surgery for urinary tract endometriosis is effective for treatment of hydronephrosis, reduction of pain symptoms and may improve fertility. Transvaginal sonography is highly accurate for presurgical detection of bladder involvement. PMID- 29222826 TI - Application of ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry in identification of three isoflavone glycosides and their corresponding metabolites. AB - RATIONALE: Metabolites of isoflavones have attracted much attention in recent years due to their potential bioactivities. However, the complex constituents of the metabolic system and the low level of metabolites make them difficult to analyze. A mass spectrometry (MS) method was applied in our identification of metabolites and study of their fragmentation pathways due to the advantages of rapidity, sensitivity, and low level of sample consumption. METHODS: Three isoflavone glycosides and their metabolites were identified using ultra performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry (UPLC/QTOF-MS). These metabolites were obtained by anaerobically incubating three isoflavone glycosides with human intestinal flora. The characteristic fragments of isoflavone glycosides and their metabolites were used for the identification work. RESULTS: Two metabolites from ononin, three metabolites from irilone-4'-O-beta-D-glucoside, and five metabolites from sissotrin were identified respectively by the retention time (RT), accurate mass, and mass spectral fragmentation patterns. The losses of the glucosyl group, CO from the [M+H]+ ion were observed for all the three isoflavone glycosides. The characteristic retro-Diels-Alder (RDA) fragmentation patterns were used to differentiate the compounds. The metabolic pathways of the three isoflavone glycosides were proposed according to the identified chemical structures of the metabolites. CONCLUSIONS: A selective, sensitive and rapid method was established for detecting and identifying three isoflavone glycosides and their metabolites using UPLC/QTOF-MS. The established method can be used for further rapid structural identification studies of metabolites and natural products. Furthermore, the proposed metabolic pathways will be helpful for understanding the in vivo metabolic process of isoflavone. PMID- 29222827 TI - Responding to parental requests for life-sustaining treatment - relational potential revisited. PMID- 29222828 TI - Multiple gastrointestinal stromal tumors involving extragastrointestinal sites in neurofibromatosis type 1. PMID- 29222829 TI - Lichen planus in a patient treated with pembrolizumab for metastatic malignant melanoma. PMID- 29222830 TI - Dabrafenib-induced pemphigoid-like reaction. PMID- 29222831 TI - A review of structural brain abnormalities in Pallister-Killian syndrome. AB - BACKGROUND: Pallister-Killian syndrome (PKS) is a rare multisystem developmental syndrome usually caused by mosaic tetrasomy of chromosome 12p that is known to be associated with neurological defects. METHODS: We describe two patients with PKS, one of whom has bilateral perisylvian polymicrogyria (PMG), the other with macrocephaly, enlarged lateral ventricles and hypogenesis of the corpus callosum. We have also summarized the current literature describing brain abnormalities in PKS. RESULTS: We reviewed available cases with intracranial scans (n = 93) and found a strong association between PKS and structural brain abnormalities (77.41%; 72/93). Notably, ventricular abnormalities (45.83%; 33/72), abnormalities of the corpus callosum (25.00%; 18/72) and cerebral atrophy (29.17%; 21/72) were the most frequently reported, while macrocephaly (12.5%; 9/72) and PMG (4.17%; 3/72) were less frequent. To further understand how 12p genes might be relevant to brain development, we identified 63 genes which are enriched in the nervous system. These genes display distinct temporal as well as region-specific expression in the brain, suggesting specific roles in neurodevelopment and disease. Finally, we utilized these data to define minimal critical regions on 12p and their constituent genes associated with atrophy, abnormalities of the corpus callosum, and macrocephaly in PKS. CONCLUSION: Our study reinforces the association between brain abnormalities and PKS, and documents a diverse neurogenetic basis for structural brain abnormalities and impaired function in children diagnosed with this rare disorder. PMID- 29222832 TI - Written action plans for children with long-term conditions: A systematic review and synthesis of qualitative data. AB - BACKGROUND: Long-term conditions (LTCs) in children require a high level of self management. Written action plans (WAPs) have been advocated to guide decision making and support self-management but there is uncertainty about how WAPs "work" and what aspects are important for successful implementation. OBJECTIVE: To review and synthesize existing qualitative evidence about the design and use of WAPs across childhood LTCs. METHOD: We undertook a systematic search of the literature (Medline, EMBASE, CiNAHL, PsycInfo, Web of science) from inception to May 2015; critically appraised included studies; and synthesized the findings, drawing on normalisation process theory. RESULTS: 3473 titles were screened and 53 papers read in full. Nine studies (four key, two minor and three of poor quality) contributed to our analysis, predominantly work on asthma from the USA and in specialist settings. WAPs may help to alleviate user worry and boost confidence. Confidence to act was closely linked to feelings of responsibility and authority. The value and use of WAPs are determined by multiple factors, and varies between different user groups. Logistical challenges include sharing a WAP between different stakeholders and keeping it up to date. Colour coding and pictures may enhance the appeal and usability of WAPS. CONCLUSION: WAPs are complex interventions but our understanding of their use and value in children with LTCs is limited. WAPs need to meet the needs of users who have different requirements/levels of understanding and confidence according to their different roles. Future research into WAPs needs to be both disease and context-specific. PMID- 29222833 TI - Association between measures of treatment quality and disease progression in prostate cancer radiotherapy: An exploratory analysis from the TROG 03.04 RADAR trial. AB - INTRODUCTION: Quality assurance methods are incorporated into multicentre radiotherapy clinical trials for ensuring consistent application of trial protocol and quantifying treatment uncertainties. The study's purpose was to determine whether post-treatment disease progression is associated with measures of the quality of radiotherapy treatment. METHODS: The TROG 03.04 RADAR trial tested the impact of androgen deprivation on prostate cancer patients receiving dose-escalated external beam radiation therapy. The trial incorporated a plan review process and Level III dosimetric intercomparison at each centre, from which variables suggestive of treatment quality were collected. Kaplan-Meier statistics and Fine and Gray competing risk modelling were employed to test for associations between quality-related variables and the participant outcome local composite progression. RESULTS: Increased 'dose-difference' at the prostatic apex and at the anterior rectal wall, between planned and measured dose, was associated with reduced progression. Participants whose treatment plans included clinical target volume (CTV) to planning target volume (PTV) margins exceeding protocol requirements also experienced reduced progression. Other quality-related variables, including total accrual from participating centres, measures of target coverage and other variations from protocol, were not significantly associated with progression. CONCLUSIONS: This analysis has revealed the association of several treatment quality factors with disease progression. Increased dose and dose margin coverage in the prostate region can reduce disease progression. Extensive and rigorous monitoring has helped to maximise treatment quality, reducing the incidence of quality-indicator outliers, and thus reduce the chance of observing significant associations with progression rates. PMID- 29222834 TI - Effects of a music-creation programme on the anxiety, self-esteem, and quality of life of people with severe mental illness: A quasi-experimental design. AB - Many studies have shown that music therapy improves patients' symptoms. However, interventions using music creation as their core await further development for patients with severe mental illness (SMI). The current study investigated the effect of a music-creation programme on the anxiety, self-esteem, and quality of life of patients with SMI. A quasi-experimental design using convenience sampling was adopted to recruit patients with SMI from a psychiatric day care centre. Participants were grouped based on their willingness to undergo an intervention (26 patients in the experimental group and 23 patients in the control group). The control groups participated in conventional mental rehabilitation therapy activities. The experimental group participated in a music-creation session for 90 min every week over a 32-week period. The outcome indicators before and after the intervention were assessed using the Hamilton Anxiety Rating Scale (HAM-A), Rosenberg Self-Esteem Scale (RSES), and World Health Organization Quality of Life BREF (WHOQOL-BREF). Finally, the intervention effect was determined using generalized estimating equations (GEEs). After 32 weeks of intervention activities, the experimental group showed significant improvements in their HAM-A total scores (P < 0.001) and RSES total scores (P = 0.005). Regarding quality of life, the improvements of the experimental group in terms of the psychological (P = 0.016) and social relationship domains (P = 0.033) were superior to those of the control group. Music-creation programmes are recommended for inclusion in the routine rehabilitation activities of patients with SMI. PMID- 29222835 TI - Effective network of deep brain stimulation of subthalamic nucleus with bimodal positron emission tomography/functional magnetic resonance imaging in Parkinson's disease. AB - AIMS: Deep brain stimulation of the subthalamic nucleus (STN-DBS) has become an effective treatment strategy for patients with Parkinson's disease. However, the biological mechanism underlying DBS treatment remains poorly understood. METHOD: In this study, we investigated how STN-DBS modulated the brain network using a bimodal positron emission tomography (PET)/functional magnetic resonance imaging (fMRI) dataset. We first performed an activation likelihood estimation meta analysis of 13 PET/SPECT studies concerning STN-DBS effects on resting-state brain activity in Parkinson's disease. Additionally, using a functional connectivity analysis in resting-state fMRI, we investigated whether these STN DBS-affected regions were functionally connected to constitute an effective network. RESULTS: The results revealed that STN-DBS reduced brain activity in the right thalamus, bilateral caudal supplementary area, and the left primary motor cortex, and it increased brain activity in the left thalamus during rest. Second, these STN-DBS-affected areas were functionally connected within an STN-DBS effective network. CONCLUSION: Deep brain stimulation of the subthalamic nucleus (STN-DBS) may deactivate the motor cortex as a remote and network effect, affecting the target and the neighboring subcortical areas. These areas may constitute an effective network of STN-DBS modulation. Our results shed light on the mechanisms of STN-DBS treatment from a network perspective and highlight the potential therapeutic benefits of targeted network modulation. PMID- 29222836 TI - Biochemical and structural insights into a thermostable cellobiohydrolase from Myceliophthora thermophila. AB - : Cellobiohydrolases hydrolyze cellulose, a linear polymer with glucose monomers linked exclusively by beta-1,4 glycosidic linkages. The widespread hydrogen bonding network tethers individual cellulose polymers forming crystalline cellulose, which prevent the access of hydrolytic enzymes and water molecules. The most abundant enzyme secreted by Myceliophthora thermophila M77 in response to the presence of biomass is the cellobiohydrolase MtCel7A, which is composed by a GH7-catalytic domain (CD), a linker, and a CBM1-type carbohydrate-binding module. GH7 cellobiohydrolases have been studied before, and structural models have been proposed. However, currently available GH7 crystal structures only define separate catalytic domains and/or cellulose-binding modules and do not include the full-length structures that are involved in shaping the catalytic mode of operation. In this study, we determined the 3D structure of catalytic domain using X-ray crystallography and retrieved the full-length enzyme envelope via small-angle X-ray scattering (SAXS) technique. The SAXS data reveal a tadpole like molecular shape with a rigid linker connecting the CD and CBM. Our biochemical studies show that MtCel7A has higher catalytic efficiency and thermostability as well as lower processivity when compared to the well-studied TrCel7A from Trichoderma reesei. Based on a comparison of the crystallographic structures of CDs and their molecular dynamic simulations, we demonstrate that MtCel7A has considerably higher flexibility than TrCel7A. In particular, loops that cover the active site are more flexible and undergo higher conformational fluctuations, which might account for decreased processivity and enhanced enzymatic efficiency. Our statistical coupling analysis suggests co-evolution of amino acid clusters comprising the catalytic site of MtCel7A, which correlate with the steps in the catalytic cycle of the enzyme. DATABASE: The atomic coordinates and structural factors of MtCel7A have been deposited in the Protein Data Bank with accession number 5W11. PMID- 29222837 TI - Low-melt bioactive glass-reinforced 3D printing akermanite porous cages with highly improved mechanical properties for lumbar spinal fusion. AB - Although great strides have been made in medical technology, low back/neck pain and intervertebral disc degeneration initiated from disc degenerative disease remains a clinical challenge. Within the field of regenerative medicine therapy, we have sought to improve the biomechanical transformation of spinal fusion procedures conducted using biodegradable porous implants. Specifically, we have focused on developing mechanically strong bioceramic cages for spinal fusion and functional recovery. Herein, we fabricated the akermanite (AKE) ceramic-based porous cages using low-melting bioactive glass (BG) and 3D printing technology. The osteogenic cell adhesion on the cages was evaluated in vitro, and the spinal fusion was tested in the intervertebral disc trauma model. The results indicated that incorporation of 15% or 30% BG into AKE (i.e., AKE/BG15 and AKE/BG30) could enhance the compressive strength of bioceramic cages by 2- or 5-fold higher than the pure AKE cages (AKE/BG0). In comparison with porous beta-tricalcium phosphate cages, the surface of AKE/BG15 and AKE/BG30 cages greatly promoted the growth and alkaline phosphatase expression of osteogenic cells. Histological and biomechanical analysis showed that the AKE/BG15 and AKE/BG30 readily stimulated the new bone tissue growth and improved the spinal biomechanics recovery. In the AKE/BG15 and AKE/BG30 cage groups, 4-6 of the rabbits demonstrated a successful fusion. In contrast, only 0-1 of the initial seeded AKE/BG0 and tricalcium phosphate cages resulted in fusion at 12 weeks post-operatively. In summary, the akermanite-based cages showed an increased bone regenerative effect within an intervertebral disc trauma model, and thus, provided a promising candidate for improving spinal fusion surgery. PMID- 29222838 TI - Results of a systematic literature review of treatment modalities for jugulotympanic paraganglioma, stratified per Fisch class. AB - OBJECTIVE: Key for successful jugulotympanic paraganglioma management is a personalised approach aiming for the best practice for each individual patient. To this end, a systematic review is performed, evaluating the local control and complication rates for the different treatment modalities stratified by the broadly accepted Fisch classification. DESIGN: A systematic literature review according to the PRISMA statement was performed. A detailed overview of individual treatment outcomes per Fisch class is provided. MAIN OUTCOME MEASURES: Local control, cranial nerve damage, complications, function recovery. RESULTS: Eighteen studies were selected, resembling 83 patients treated with radiotherapy and 299 with surgery. Excellent local control was found post-surgery for class A and B tumours, and risk of cranial nerve damage was <1%. For class C1-4 tumours, local control was 80%-95% post-surgery (84% post-radiotherapy), and cranial nerve damage was found in 71%-76% (none post-radiotherapy; P < .05). There was no difference in treatment outcomes between tumours of different C class. For class C1-4De/Di tumours, local control was 38%-86% (98% post-radiotherapy; P < .05) and cranial nerve damage/complication rates were 67%-100% (3% post-radiotherapy; P < .05). C1-4DeDi tumours showed lesser local control and cranial nerve damage rates when compared to C1-4De tumours. CONCLUSIONS: An individual risk is constituted for surgery and radiotherapy, stratified per Fisch class. For class A and B tumours, surgery is a suitable treatment option. For class C and D tumours, radiotherapy results in lower complication rates and similar or better local control rates when compared to the surgical group. PMID- 29222839 TI - Decellularized human liver extracellular matrix (hDLM)-mediated hepatic differentiation of human induced pluripotent stem cells (hIPSCs). AB - Liver tissue engineering has emerged as a promising approach in organ transplantation but has been hampered by the lack of a reliable and readily available cell source. Human induced pluripotent stem cells hiPSCs have been highlighted as a desirable source, due to their differentiation potential, ability to self-renew, and the possibility of making patient-specific cells. We developed a decellularization protocol that efficiently removes cellular material while retaining extracellular matrix components. Subsequently, hiPSCs were differentiated on decellularized human liver extracellular matrix (hDLM) scaffolds using an established hepatic differentiation protocol. We demonstrate that using hDLM leads to upregulation markers of hepatic functions when compared with standard differentiation conditions. In addition, expression of a number of hepatic transcription and nuclear factors were found to be within levels comparable with those of primary human adult hepatocytes. Analysis of progression of differentiation on hDLM demonstrated that hepatic developmental marker expression was consistent with hepatic development. The hDLM-derived cells exhibited key hepatic characteristics that were comparable with those observed in primary neonatal human hepatocytes. We investigated the optimal timing of the introduction of hDLM into the differentiation protocol and found that the best results are obtained when cells are plated on hDLM since the earliest stages and accompanied by a progressive loss of sensitivity to substrate composition at later stages. The significance of this work is that it allows for the development of differentiation protocols that take into account signals from extracellular matrix, closely recapitulating of the in vivo micro-environment and resulting in cells that are phenotypically closer to mature hepatocytes. PMID- 29222840 TI - Detection of Neuropathic Pain in End-Stage Cancer Patients: Diagnostic Accuracy of Two Questionnaires. AB - INTRODUCTION: Neuropathic pain is a frequent consequence of cancer pain. Quite often, in the end stage, it is difficult to discern its presence and delineate its characteristics in the context of painful cancer complications. The aim of this study was to compare the diagnostic accuracy of the Douleur Neuropathique en 4 Questions (DN4) and painDETECT questionnaires, which were translated to the patient's native language, for the diagnosis of peripheral neuropathic pain in oncology patients. METHODS: End-stage cancer patients who presented to the outpatient pain clinic were prospectively followed. At presentation, all patients completed the DN4 and painDETECT questionnaires, which had been translated to their native language, and the output was compared to the pain specialist's diagnosis of the neuropathic or non-neuropathic nature of the pain, which was considered as the gold standard. The diagnostic accuracy of both questionnaires was tested with receiver operating characteristic curves plotted from the data collected. RESULTS: Ninety patients (48.5% of 185 in total) presented with severe pain. Seventy-six had neuropathic pain (41.1%) and 109 had non-neuropathic pain. Of those with neuropathic pain, most had a mixed pain (bone or visceral in addition to neuropathic pain). The DN4 questionnaire had a sensitivity of 71.1% and a specificity of 88.7% in detecting neuropathic pain, with a cutoff value of >= 4, while the painDETECT questionnaire had a sensitivity of 26.3% and a specificity of 100%, with a cutoff value of >= 19. CONCLUSION: At standard cutoff values, the DN4 and painDETECT questionnaires, despite having been translated to the patient's native language, failed to adequately discriminate between neuropathic and non-neuropathic pain in our end-stage cancer patients. PMID- 29222841 TI - Evaluation of an ovary-on-a-chip in large mammalian models: Species specificity and influence of follicle isolation status. AB - The ability to grow oocytes from immature ovarian follicles in vitro has significant potential for fertility preservation; yet, it has proved challenging in large mammalian species due to the complex metabolic needs and long-term culture requirements. Currently, follicular incubations are based on a "static" system with manual exchange of medium. Despite the numerous advantages of conventional culturing approaches, recapitulating the native microenvironment and supporting the survival of ovarian follicles from large mammalian species still represent challenges. In this study, we utilized an innovative, dynamic microfluidic system to support the in vitro survival of domestic cat and dog follicles enclosed within the ovarian cortex or isolated from ovarian cortex. Results indicate both species-specific and tissue type-specific differences in response to microfluidic culture. Domestic cat but not dog ovarian cortical tissues maintained viability under flow similar to conventional agarose gel controls. Preantral stage isolated follicles from both species that grew most favourably in conventional alginate bead culture, but overall, there was no influence of culture system on expression of follicle development or oocyte health markers. This system represents an important exploration toward the development of an improved ovarian in vitro culture system of large mammalian species (e.g., cats and dogs), which has potential applications for fertility preservation, reproductive toxicology, and endangered mammal conservation efforts. PMID- 29222842 TI - Kinetic characterization of wild-type and mutant human thioredoxin glutathione reductase defines its reaction and regulatory mechanisms. AB - : In most cells, the thioredoxin (Trx) and glutathione systems are essential in maintaining redox homeostasis. The selenoprotein thioredoxin glutathione reductase (TGR) is a hybrid enzyme in which a glutaredoxin (Grx) domain is linked to a thioredoxin reductase (TrxR). Notably, the protein is also capable of reducing glutathione disulfide (GSSG), thus representing an important link between the two redox systems. In this study, we recombinantly produced human TGR (hTGR wild-type) by fusing its open reading frame with a bacterial selenocysteine insertion sequence element and co-expressing the construct in Escherichia coli together with the selA, selB, and selC genes. Additionally, the Sec->Cys mutant (hTGRU642C ) of the full-length protein, the isolated TrxR domain (hTGR151-643 ) and the Grx domain containing a monothiol active site (hTGR1-150 ) were produced and purified. All four proteins were kinetically characterized in direct comparison using Trx, DTNB, HED, or GSSG as the oxidizing substrate. Interestingly, the HED reduction activity was Sec independent and comparable in the full-length protein and the isolated Grx domain, whereas the TrxR and glutathione reductase reactions were clearly selenocysteine dependent, with the GR reaction requiring the Grx domain. Site-directed mutagenesis studies revealed novel insights into the mechanism of GSSG reduction. Furthermore, we identified several glutathionylation sites in hTGR, including Cys93, Cys133, and Cys619, and an inhibitory effect of these modifications on enzyme activity. In contrast to other TGRs, for example, from platyhelminth parasites, hTGR did not exhibit hysteretic behavior. These findings provide new insights into the reaction mechanism and regulation of monothiol Grx-containing TGRs. DATABASE: EC numbers: 1.8.1.9; 1.8.1.B1. PMID- 29222844 TI - Effect of age and body mass index on the yield of stromal vascular fraction. AB - OBJECTIVE: The aim of this study was to determine the influence of age, body mass index, and site of liposuction on the cell yield of SVF. METHODS: A prospective study was performed on 58 patients. The average age was 39 years old, with BMI <= 25 or BMI >= 25. Fat tissue was harvested from the abdominal region, flanks, or thighs and SVF was isolated. RESULTS: The yield of viable SVF was evaluated by trypan blue, and the markers of stem cells were evaluated by flow cytometry. The cells were positive for stem cells markers, the age, sex of the patient had no impact on SVF cell yield with an average of 1.17 * 10^8. However, the BMI > 25 had resulted in higher cell numbers, and the harvest site had a significant impact on cell yield with abdomen being the site of interest. CONCLUSION: These data demonstrate that the age of the person does not affect the cell yield of SVF; nevertheless, the donor site and BMI might be important factors in affecting cell number. PMID- 29222843 TI - Association of California Mastitis Test Scores with Intramammary Infection Status in Lactating Dairy Cows Admitted to a Veterinary Teaching Hospital. AB - BACKGROUND: Subclinical mastitis is of concern in veterinary hospitals because contagious mastitis pathogens might be unknowingly transmitted to susceptible cows and then back to their farm of origin. OBJECTIVES: To evaluate the California mastitis test (CMT) as an indicator of intramammary infection (IMI) in lactating dairy cows admitted to a veterinary hospital. ANIMALS: A total of 139 admissions of 128 lactating dairy cows admitted to the University of Illinois Veterinary Teaching Hospital over a 2-year period. METHODS: A retrospective study with a convenience sample was conducted. Medical records of cows with CMT results and milk culture results for the day of admission were reviewed. Breed, age, season, maximum CMT score for the 4 quarters, maximum CMT score difference, and clinical diagnosis were evaluated as predictors of IMI by the chi-square test and stepwise logistic regression. RESULTS: An IMI was identified in 51% of quarters. For cows admitted without evidence of clinical mastitis, the sensitivity of a CMT score >=trace in predicting an IMI on a quarter or cow basis was 0.45 and 0.68, respectively. The distributions of maximal quarter CMT score and the maximum difference in quarter CMT score for cows without evidence of clinical mastitis did not differ (P = 0.28, P = 0.84, respectively) for cows with and without IMI. Stepwise logistic regression did not identify significant predictors of IMI in cows without clinical mastitis. CONCLUSIONS: Lactating dairy cattle admitted to a veterinary hospital should be managed as if they have an IMI, even in the absence of clinical mastitis. PMID- 29222845 TI - Severe drug-induced kidney injury in acute generalized exanthematous pustulosis. PMID- 29222846 TI - Influence of the three-dimensional culture of human bone marrow mesenchymal stromal cells within a macroporous polysaccharides scaffold on Pannexin 1 and Pannexin 3. AB - Because cell interactions play a fundamental role for cell differentiation, we investigated the expression of Pannexin 1 and Pannexin 3 in human bone marrow mesenchymal stromal cells (HBMSCs) in a three-dimensional (3D) microenvironment provided by a polysaccharide-based macroporous scaffold. The pannexin (Panx) family consists of three members, Panx1, Panx2, and Panx3. The roles of Panx large-pore ion and metabolite channels are recognized in many physiological and pathophysiological scenarios, but the role of these proteins in human physiological processes is still under investigation. Our study demonstrates that HBMSCs cultured within 3D scaffolds have induced Panx1 and Panx3 expression, compared with two-dimensional culture and that the Panx3 gene expression profile correlates with those of bone markers on mesenchymal stromal cells culture into the 3D scaffold. We showed that Panx1 is involved in the HBMSCs 3D cell-cell organization, as acting on the size of cellular aggregates, demonstrated by the use of Probenecid and the mimetic peptide 10panx1 as specific inhibitors. Inhibition of Panx3 using siRNA strategy shows to reduce the expression of osteocalcin as osteoblast-specific marker by HBMSCs cultured in 3D conditions, suggesting a role of this Panx in osteogenesis. Moreover, we evaluated Panx1 and Panx3 expression within the cellularized scaffolds upon subcutaneous implantation in NOG (NOD/Shi-scid/IL-2Rgammanull ) mice, where we could observe a more intense expression in the constructs than in the surrounding tissues in vivo. This study provides new insights on the expression of pannexins in HBMSCs on a 3D microenvironment during the osteogenic differentiation, in vitro and in vivo. PMID- 29222847 TI - Synthesis of novel norsufentanil analogs via a four-component Ugi reaction and in vivo, docking, and QSAR studies of their analgesic activity. AB - Novel substituted amino acid tethered norsufentanil derivatives were synthesized by the four-component Ugi reaction. Norsufentanil was reacted with succinic anhydride to produce the corresponding carboxylic acid. The resulting carboxylic acid has undergone a multicomponent reaction with different aldehydes, amines, and isocyanides to produce a library of the desired compounds. In all cases, amide bond rotation was observed in the NMR spectra. In vivo analgesic activity of the synthesized compounds was evaluated by a tail flick test. Very encouraging results were obtained for a number of the synthesized products. Some of the synthesized compounds such as 5a, 5b, 5h, 5j, and 5r were found to be more potent than sufentanil, sufentanil citrate, and norsufentanil. Binding modes between the compounds and mu and delta-opioid receptors were studied by molecular docking method. The relationship between the molecular structural features and the analgesic activity was investigated by a quantitative structure-activity relationship model. The results of the molecular modeling studies and the in vivo analgesic activity suggested that the majority of the synthesized compounds were more potent than sufentanil and norsufentanil. PMID- 29222848 TI - Digital image analysis agrees with visual estimates of adult bone marrow trephine biopsy cellularity. AB - INTRODUCTION: Evaluation of cellularity is an essential component of bone marrow trephine biopsy examination. The standard practice is to report the results as visual estimates (VE). Digital image analysis (DIA) offers the promise of more objective measurements of cellularity. METHODS: Adult bone marrow trephine biopsy sections were assessed for cellularity by VE. Sections were scanned using an Aperio AT2 Scanscope and analyzed using a Cytonuclear (version 1.4) algorithm on halo software. Intraclass correlation (ICC) was used to assess relatedness between VE and DIA, and between MRI and DIA for a separate subset of patients. Trephine biopsy sections from a subset of patients with bone marrow biopsies uninvolved by malignancy were assessed for age-related changes. RESULTS: Interobserver VE agreement was good to excellent. The ICC value was 0.81 for VE and DIA, and 0.50 for MRI and DIA. Linearity studies showed no statistically significant trend for age-related changes in cellularity in our cohort (r = -.29, P = .06). CONCLUSIONS: Agreement was good between VE and DIA. It may be possible to use DIA or VE to measure cellularity in the appropriate clinical scenario. The limited sample size precludes similar determinations for MRI calculations. Further studies examining healthy donors are necessary before making definitive conclusions regarding age and cellularity. PMID- 29222849 TI - Bone marrow transplantation improves motor activity in a mouse model of ataxia. AB - Ataxias are locomotor disorders that can have an origin both neural and muscular, although both impairments are related. Unfortunately, ataxia has no cure, and the current therapies are aimed at motor re-education or muscular reinforcement. Nevertheless, cell therapy is becoming a promising approach to deal with incurable neural diseases, including neuromuscular ataxias. Here, we have used a model of ataxia, the Purkinje Cell Degeneration (PCD) mutant mouse, to study the effect of healthy (wild-type) bone marrow transplantation on the restoration of defective mobility. Bone marrow transplants (from both mutant and healthy donors) were performed in wild-type and PCD mice. Then, a wide battery of behavioural tests was employed to determine possible motor amelioration in mutants. Finally, cerebellum, spinal cord, and muscle were analysed to study the integration of the transplant-derived cells and the origin of the behavioural changes. Our results demonstrated that the transplant of wild-type bone marrow restores the mobility of PCD mice, increasing their capabilities of movement (52-100% of recovery), exploration (20-71% of recovery), speed (35% of recovery), and motor coordination (25% of recovery). Surprisingly, our results showed that bone marrow transplant notably improves the skeletal muscle structure, which is severely damaged in the mutants, rather than ameliorating the central nervous system. Although a multimodal effect of the transplant is not discarded, muscular improvements appear to be the basis of this motor recovery. Furthermore, the results from our study indicate that bone marrow stem cell therapy can be a safe and effective alternative for dealing with movement disorders such as ataxias. PMID- 29222850 TI - Exploratory study of imagery rescripting without focusing on early traumatic memories for major depressive disorder. AB - BACKGROUND: Mental imagery has a more powerful impact on our emotions than thinking in words about the same material. Treating intrusive images with imagery rescripting (IR) has been reported for various disorders, including post traumatic stress disorder, social anxiety disorder, and bipolar disorder. There has been less research about IR as a major depressive disorder (MDD). AIMS: We examined whether IR without focusing on early traumatic memories is effective in MDD. METHODS: We enrolled 19 participants with MDD, who received 15 weekly sessions of full CBT, including two sessions for IR of intrusive images and, separately, for memory rescripting. Before and after the IR intervention, participants were asked to rate the intrusive images they experienced against, an intrusion index that included difficulty (interference with daily life), uncontrollability, distress caused by the negative image, and vividness. We recorded the contents of each participant's negative and positive imagery to classify these. RESULTS: The intrusion index scores decreased after the IR sessions. Negative images experienced by the participants while in a depressive mood were categorized into three different types: blame, social exclusion, and loneliness. The rescripted positive images were categorized into good relations and worthy self (competent self). CONCLUSIONS: These results suggest that IR of intrusive images without focusing on early traumatic memories may usefully be incorporated into routine CBT sessions for MDD. PMID- 29222851 TI - Convergent Validity of the Dutch Central Sensitization Inventory: Associations with Psychophysical Pain Measures, Quality of Life, Disability, and Pain Cognitions in Patients with Chronic Spinal Pain. AB - OBJECTIVE: Symptoms of central sensitization (CS) have been described in patients with chronic spinal pain (CSP). Although a gold standard to diagnose CS is lacking, psychophysical pain measures are often used. The Central Sensitization Inventory (CSI) is proposed as an alternative method and indirect tool for the evaluation of CS symptomatology. The aim of the current study was to evaluate the convergent validity of the CSI by investigating the association with psychophysical pain measures and self-reported measures of current pain intensity, quality of life, disability, and catastrophizing in CSP patients. METHODS: One hundred sixteen patients with nonspecific CSP were included in the present study. Patients completed the CSI, were subjected to pressure pain thresholds (PPTs) and a conditioned pain modulation (CPM) paradigm, and completed questionnaires for current pain intensity, quality of life, pain disability, and pain catastrophizing. RESULTS: Higher CSI scores were weakly correlated with lower PPTs (-0.276 <= r <= -0.237; all P <= 0.01) and not with CPM efficacy (r = 0.017; P = 0.858). Higher CSI scores were moderately correlated with higher current pain intensity (r = 0.320; P < 0.001), strongly correlated with lower physical (r = -0.617; P < 0.001) and emotional (r = -0.635; P < 0.001) quality of life, and moderately correlated with higher pain disability (r = 0.472; P < 0.001) and higher pain catastrophizing (r = 0.464; P < 0.001). CONCLUSION: The CSI was weakly associated with PPTs and not with CPM efficacy in CSP patients. Moderate to strong associations were found with current pain intensity, quality of life, disability, and catastrophizing. The current results illustrate that the CSI does not reflect a direct measure of CS, yet is a representation of general distress, possible originating from CS symptoms. PMID- 29222852 TI - Free-breathing whole-heart 3D cine magnetic resonance imaging with prospective respiratory motion compensation. AB - PURPOSE: To develop and validate a new prospective respiratory motion compensation algorithm for free-breathing whole-heart 3D cine steady-state free precession (SSFP) imaging. METHODS: In a 3D cine SSFP sequence, 4 excitations per cardiac cycle are re-purposed to prospectively track heart position. Specifically, their 1D image is reconstructed and routed into the scanner's standard diaphragmatic navigator processing system. If all 4 signals are in end expiration, cine image data from the entire cardiac cycle is accepted for image reconstruction. Prospective validation was carried out in patients (N = 17) by comparing in each a conventional breath-hold 2D cine ventricular short-axis stack and a free-breathing whole-heart 3D cine data set. RESULTS: All 3D cine SSFP acquisitions were successful and the mean scan time was 5.9 +/- 2.7 min. Left and right ventricular end-diastolic, end-systolic, and stroke volumes by 3D cine SSFP were all larger than those from 2D cine SSFP. This bias was < 6% except for right ventricular end-systolic volume that was 12%. The 3D cine images had a lower ventricular blood-to-myocardium contrast ratio, contrast-to-noise ratio, mass, and subjective quality score. CONCLUSION: The novel prospective respiratory motion compensation method for 3D cine SSFP imaging was robust and efficient and yielded slightly larger ventricular volumes and lower mass compared to breath hold 2D cine imaging. Magn Reson Med 80:181-189, 2018. (c) 2017 International Society for Magnetic Resonance in Medicine. PMID- 29222853 TI - Stemazole promotes survival and preserves stemness in human embryonic stem cells. AB - Human embryonic stem cells (hESCs) are extremely delicate, and survive poorly under suboptimal culture conditions, severely restricting long-term studies and practical applications. Thus, a protective agent that promotes stem cell survival is urgently needed. In this study, we evaluated the protective effects of stemazole in single-cell and starved hESC cultures. Colony formation was quantified by alkaline phosphatase and immunofluorescence staining, while apoptosis was assessed by flow cytometry and TUNEL assay. Expression of hESC and other stem cell markers was evaluated by western blot, RT-PCR, and qPCR. We found that stemazole enhanced clonal expansion from single cells in dose-dependent fashion and clearly decreased apoptosis from 54.1% to 25.2%. Furthermore, the drug reduced apoptosis from 43.6% to 8.4% over 15 h of starvation, with 66% of stemazole-treated cells remaining viable after 2 weeks of starvation. Importantly, starved cells protected with stemazole retained the same proliferation and differentiation properties as cells in normal culture. In conclusion, stemazole significantly promotes survival of stem cells in single cell or starvation cultures without compromising stemness and pluripotency. PMID- 29222854 TI - Optical design of an in vivo laparoscopic lighting system. AB - This paper proposes an in vivo laparoscopic lighting system design to address the illumination issues, namely poor lighting uniformity and low optical efficiency, existing in the state-of-the-art in vivo laparoscopic cameras. The transformable design of the laparoscopic lighting system is capable of carrying purposefully designed freeform optical lenses for achieving lighting performance with high illuminance uniformity and high optical efficiency in a desired target region. To design freeform optical lenses for extended light sources such as LEDs with Lambertian light intensity distributions, we present an effective and complete freeform optical design method. The procedures include (1) ray map computation by numerically solving a standard Monge-Ampere equation; (2) initial freeform optical surface construction by using Snell's law and a lens volume restriction; (3) correction of surface normal vectors due to accumulated errors from the initially constructed surfaces; and (4) feedback modification of the solution to deal with degraded illuminance uniformity caused by the extended sizes of the LEDs. We employed an optical design software package to evaluate the performance of our laparoscopic lighting system design. The simulation results show that our design achieves greater than 95% illuminance uniformity and greater than 89% optical efficiency (considering Fresnel losses) for illuminating the target surgical region. PMID- 29222856 TI - Homocysteine as a non-classical risk factor for atherosclerosis in relation to pharmacotherapy of type 2 diabetes mellitus. AB - AIMS: The aim of our study was to evaluate which of the pharmacotherapeutic methods that are frequently used to treat type 2 diabetes is associated with the most beneficial profile in relation to pro-atherogenic homocysteine levels. PATIENTS AND METHODS: We measured the serum homocysteine level in 182 patients with type 2 diabetes treated with metformin (89), treated with insulin in combination with metformin (31), receiving sulfonylureas (31) and treated conventionally with insulin (31). The total homocysteine levels in the serum were assayed. To exclude the influence of selected metabolic and anthropometric factors on the differences between the examined groups, multivariate analysis of covariance was used (ANCOVA). In this analysis, serum homocysteine concentration was the dependent variable, while diabetes duration, waist circumference, HbA1c, 1,5-anhydro-D-glucitol, fasting glycaemia and peptide C were used as covariates. RESULTS: The serum homocysteine levels in patients treated with insulin in monotherapy were significantly higher than what was observed in the metformin treated subjects and in the patients receiving insulin combined with metformin. The analysis of covariance also confirmed that the differences between the therapeutic groups were affected by waist circumference and the C-peptide levels. CONCLUSION: We conclude that conventional insulin therapy may have a negative effect on pro-atherogenic homocysteine levels in patients with type 2 diabetes. This study revealed that pro-atherogenic homocysteine levels may not only be modified by pharmacotherapy of type 2 diabetes, but also by beta cell secretory function and abdominal obesity. PMID- 29222855 TI - Non-Euclidean phasor analysis for quantification of oxidative stress in ex vivo human skin exposed to sun filters using fluorescence lifetime imaging microscopy. AB - Chemical sun filters are commonly used as active ingredients in sunscreens due to their efficient absorption of ultraviolet (UV) radiation. Yet, it is known that these compounds can photochemically react with UV light and generate reactive oxygen species and oxidative stress in vitro, though this has yet to be validated in vivo. One label-free approach to probe oxidative stress is to measure and compare the relative endogenous fluorescence generated by cellular coenzymes nicotinamide adenine dinucleotides and flavin adenine dinucleotides. However, chemical sun filters are fluorescent, with emissive properties that contaminate endogenous fluorescent signals. To accurately distinguish the source of fluorescence in ex vivo skin samples treated with chemical sun filters, fluorescence lifetime imaging microscopy data were processed on a pixel-by-pixel basis using a non-Euclidean separation algorithm based on Mahalanobis distance and validated on simulated data. Applying this method, ex vivo samples exhibited a small oxidative shift when exposed to sun filters alone, though this shift was much smaller than that imparted by UV irradiation. Given the need for investigative tools to further study the clinical impact of chemical sun filters in patients, the reported methodology may be applied to visualize chemical sun filters and measure oxidative stress in patients' skin. PMID- 29222857 TI - Serum levels of the S100B protein and neuron-specific enolase are associated with mortality in critically ill patients. AB - INTRODUCTION: Evaluation of the prognostic potential of the S100B protein and neuron-specific enolase (NSE) as predictors of mortality in critically ill patients in intensive care units (ICU). MATERIALS AND METHODS: The study was conducted on 62 patients. Basic clinical variables and blood samples for S100B and NSE level testing were obtained during the first four days after admission. Mortality was described as the patient's death during hospitalization in the ICU. RESULTS: 35% of the patients had died. The level of S100B and NSE was significantly higher in non-survivors in comparison with survivors (p=0.007 and p=0.02, respectively). Mortality risk was significantly higher in patients with higher levels of biomarkers than the reference values for S100B (OR 9.00; 95% CI 2.38-33.99; p<0.001) as well as for NSE (OR 5.75; 95%CI 1.31-25.27; p=0.016). Receiver operating characteristic proved that S100B is a better mortality predictor than NSE (AUC 0.76 for S100B and 0.68 for NSE). From all the other variables, the Apache II score turned out to be the only significant predictor of mortality (AUC 0.88). CONCLUSION: There is a significant correlation between mortality in the ICU and increased serum concentration of S100B and NSE. This correlation is stronger for S100B. Testing for serum levels of S100B and NSE may be useful for prediction of treatment outcomes in the ICU patients. PMID- 29222859 TI - Physicochemical properties and cytotoxicity of hydrogels based on Beetosan(r) containing sage and bee pollen. AB - Currently, increasing attention is being paid to issues related to environmental protection, waste management, as well as to the development of polymers with useful properties. The research presented here involved preparation of hydrogels based on Beetosan(r) - a chitosan derived from the multi-stage processing of dead bees. Moreover, hydrogels were additionally modified with natural substances - i.e. bee pollen and extract of Salvia officinalis (sage) that are well known for the presence of many compounds with beneficial properties from a medical point of view. Materials have been first obtained by photopolymerization. Then, their surface morphology, wettability and cytotoxicity to selected cell lines have been determined. It can be stated that such combination of Beetosan(r) hydrogel matrix and the mentioned additives resulted in a preparation of polymers characterized by negative impact on cancer cells. Impact of hydrogels with sage is slightly more intense due to the presence of substances such as ursalic or rosmaric acid that are characterized to have anticancer activity. Such negative impact has not been observed in case of studies using fibroblasts. Furthermore, addition of natural substances into hydrogels resulted in a more homogeneous surface and in the decrease of wettability angle of the tested polymers. It can be concluded that the use of natural-derived reagents and synthesis of polymers using these reagents (as a result of environmentally friendly photopolymerization) yields materials with interesting properties for medical purposes, with particular emphasis on antitumor activity, and without significant negative impact on fibroblasts. PMID- 29222858 TI - Obesity, lipid profiles and oxidative stress in children after liver transplantation. AB - PURPOSE: In adult liver transplant recipients, coronary artery disease and congestive heart failure are significant cause of morbidity and mortality. This may be attributed to the long-term immunosuppressive treatment, mostly with calcineurin inhibitors and steroids, which in long-term may be associated with hyperlipidemia, oxidative stress and cardiovascular complications. Since such data for children is sparse, the aim of this study was to assess the lipid and oxidative stress markers after pediatric liver transplantation (LTx). METHOD: We performed prospective analysis of 74 children, at the median age of 7.9 (2.8 11.6) years, 3.2 (1.2-4.3) years after LTx. We assessed the BMI Z-scores, cholesterol fractions (LDLc, HDLc, VLDLc), triglicerides, apolipoproteins (ApoAI, ApoB, ApoE), LCAT, insulin resistance by HOMA-IR and markers of oxidative stress and atherosclerosis: glutathione (GSH), glutathione peroxidase (GPx), asymmetrical dimethyl arginine (ADMA) and oxidized low-density lipoprotein (oxyLDL). At baseline, the results were compared with a healthy age-and-sex matched control group. After 3.1+/-0.3 year follow-up we repeated all investigations and compared them with the baseline results. RESULTS: At the baseline, we investigated 74 patients 3.2 (1.2-4.3) years after LTx, at the median age of 7.9 (2.8-11.6) years. The prevalence of overweight or obesity (BMI >85th percentile) was 23% and was more common in girls (24% vs 20%). Fourteen patients had TCH >200 mg%, 9 patients had LDLc >130 mg% and TG were at normal levels in all patients. Compared to the controls, there were no significant differences in lipid profiles but we found decreased GSH (p<0.001) and GPx (p<0.001) which play role as an antioxidant defense. OS markers were higher in the study group: ADMA (p<0.001), and oxyLDL (p<0.0001). Insulin resistance by HOMA-IR was increased in the study group (p=0.0002) but fasting glucose remained within normal ranges in all patients. After 3.1-year follow-up, the BMI >95th and >85Th percentile was present in 8% and 14% respectively. ADMA and oxyLDL decreased, whilst GSH and GPx increased when compared to the baseline. There was also significant decrease in apoB and Lp(a). CONCLUSION: Children after LTx had normal lipid profiles when compared to controls, however there is a tendency for hypercholesterolemia and obesity, which may play a role in cardiovascular complications in the future. Some markers of oxidative stress were increased after LTx, however further investigations are required to establish its clinical significance. PMID- 29222860 TI - Adenosine-sensitive Wolff-Parkinson-White: Longer time across the atrioventricular groove. AB - BACKGROUND: Successful ablation sites in Wolff-Parkinson-White syndrome (WPW) are characterized by short atrioventricular (AV) intervals. Approximately 15% of patients with WPW have adenosine-sensitive accessory pathways (APs). We sought to determine if local AV intervals of adenosine-sensitive APs are different from those of adenosine-insensitive APs in patients with WPW. METHODS: Patients <=21 years with WPW and adenosine-sensitive APs who underwent successful ablation over a 9-year period were included. Patients with WPW and adenosine-insensitive APs were matched by age and weight in a 1:2 case-control design. AP location, antegrade and retrograde conduction properties, supraventricular tachycardia (SVT) inducibility, local AV interval, interval from delta wave onset to local ventricular activation (del-V), and time to loss of preexcitation were reviewed. RESULTS: Fourteen patients with adenosine-sensitive APs and 28 with adenosine insensitive APs were included. Patients with adenosine-sensitive APs had minimum 1:1 antegrade AP conduction at a longer median paced cycle length (380, interquartile range [IQR] 295 to 585 ms vs 290, IQR 250 to 330 ms, P = 0.046), were less likely to have inducible SVT (35.7% vs 75.0%, P = 0.035), and had a longer median local AV interval (40.5, IQR 30.8 to 58.3 ms vs 32.0, IQR 29.3 to 37.8 ms, P = 0.029) when compared to those with adenosine-insensitive APs. CONCLUSION: Patients with WPW and adenosine-sensitive APs have 1:1 antegrade AP conduction at longer cycle lengths, lower likelihood of SVT induction, and longer local AV intervals when compared to those with adenosine-insensitive APs. In patients with WPW, it may be important to consider adenosine response when selecting appropriate ablation targets. PMID- 29222861 TI - Zero-fluoroscopy permanent pacemaker implantation using Ensite NavX system: Clinical viability or fanciful technique? AB - BACKGROUND: Fluoroscopy is the imaging modality routinely used for cardiac device implantation and electrophysiological procedures. Due to the rising concern regarding the harmful effects of radiation exposure to both the patients and operation staffs, novel 3D mapping systems have been developed and implemented in electrophysiological procedure for the navigation of catheters inside the heart chambers. Their applicability in cardiac device implantation has been rarely reported. Our aim is to evaluate the feasibility and safety of permanent pacemaker implantation without fluoroscopy. METHODS AND RESULTS: From January 2012 to June 2016, six patients (50 +/- 15 years, four of six were female, one of who was at the 25th week of gestation) who underwent permanent pacemaker implantation were included (zero-fluoroscopy group). Data from 20 consecutive cases of implantation performed under fluoroscopy guidance were chosen as a control group (fluoroscopy group). Total implantation procedure time for single chamber pacemaker was 51.3 +/- 13.1 minutes in the zero-fluoroscopy group and 42.6 +/- 7.4 minutes in the fluoroscopy group (P = 0.155). The implantation procedural time for a dual-chamber pacemaker was 88.3 +/- 19.6 minutes and 67.3 +/- 7.6 minutes in the zero-fluoroscopy and fluoroscopy groups (P = 0.013), respectively. No complications were observed during the procedure and the follow up in the two groups, and all pacemakers worked with satisfactory parameters. CONCLUSION: Ensite NavX system can be used as a reliable and safe zero fluoroscopy approach for the implantation of single- or dual-chamber permanent pacemakers in specific patients, such as pregnant women or in extreme situations when the x-ray machine is not available. PMID- 29222862 TI - Photocytotoxic Copper(II) Complexes with Schiff-Base Scaffolds for Photodynamic Therapy. AB - Photodynamic therapy (PDT) is a promising and minimally invasive method for the treatment of superficial diseases, and photosensitizers with high phototoxicity indices (defined as (IC50dark )/(IC50irradiation )) are essential for the development of ideal photosensitizing properties for this technology. Herein, we report a series of photocytotoxic copper(II) complexes [Cu(R QYMP)(dppn)] (R QYMP=N,N,O-tridentate Schiff-base derivatives, dppn=benzo[i]dipyrido[3,2-a;2',3' c]phenazine), the structures of which have been confirmed by mass spectrometry and FTIR spectroscopy. X-ray crystallography revealed that the CuN4 O core of the [Cu(cumyl QYMP)(dppn)](ClO4 ) complex (3) has a distorted square-pyramidal geometry. Phototoxicity indices of 329 against human squamous cell carcinoma (SCC15) and 296 against basal cell carcinoma (BCC) cell lines have been determined with [Cu(3-OMe QYMP)(dppn)](ClO4 ) (4). This can be attributed to the formation of reactive oxygen species, cell apoptosis, and caspase-3 activation, indicating high potential of complex 4 as a photosensitizer candidate in PDT. Thus, copper complexes bearing suitable Schiff-base ligands with a dppn co-ligand may be considered for the design of efficient metal-based anticancer agents for PDT. PMID- 29222863 TI - Immobilization of carbonic anhydrase on polyvinylidene fluoride membranes. AB - In recent years, the application of carbonic anhydrase (CA) in CO2 removal has attracted great interest. However, obtaining high enzyme recovery activity is difficult in existing immobilization techniques. In this work, water plasma treated poly(vinylidene fluoride) (PVDF) membranes were modified via 3 aminopropyl triethoxy silane (KH550) or gamma-(2, 3-epoxypropoxy) propyl trimethoxy silane (KH560), and then CA was attached. The immobilization process was optimized, and the catalytic properties of PVDF-attached CA were characterized. The maximum activity recovery of PVDF-KH550-CA was 60%, whereas that of PVDF-KH560-CA was 33%. The Km values of PVDF-KH550-CA, PVDF-KH560-CA, and free enzyme were 9.97 +/- 0.37, 12.5 +/- 0.2, and 6.18 +/- 0.23 mM, respectively, and their Kcat /Km values were 206 +/- 2, 117 +/- 5, and 488 +/- 4 M-1 .Sec-1 . PVDF-attached CA shows excellent storage stability and reusability, and their half-life values were 82 and 78 days at 4 degrees C. At 25 degrees C, they were 50 and 37 days, respectively. PVDF-KH550-CA and PVDF-KH560-CA retained approximately 85% and 72% of the initial activity after undergoing 10 cycles. In the presence of them, the generation rates of CaCO3 were 76% and 65% of the free CA system, which were 1.6 and 1.3 times that of the blank system, respectively. Its role in accelerating CO2 sequestration holds great promise for its practical application. PMID- 29222864 TI - Effects of cardiac resynchronization therapy after inferior myocardial infarction on secondary mitral regurgitation and mitral valve geometry. AB - BACKGROUND: The effects of cardiac resynchronization therapy (CRT) on secondary mitral regurgitation (MR), and mitral valve (MV) and left ventricular (LV) geometry, in patients with prior inferior myocardial infarction is not clearly defined. We assessed these outcomes utilizing two-dimensional echocardiography, and analyzed echocardiographic geometric variables that may correlate with follow up MR severity. METHODS: Between 2009 and 2012, 229 CRT were implanted. Twenty two had prior inferior myocardial infarction, >=mild MR at baseline, and serial echocardiography. A left bundle branch block was present in 12 (54.5%) patients. The pre-CRT and follow-up echocardiograms were analyzed for: (1) MR severity; (2) MV and LV geometry; and (3) LV remodeling. RESULTS: The median follow-up time was 2.2 years (interquartile range, 0.7-4). In 16 patients without an inferior myocardial scar, there was a reduction in MR jet area/left atrial area ratio (33.2% vs 25.8%; P = 0.06) and MR grade (2.3 vs 1.8; P = 0.05), and an increased LV ejection fraction (26.1% vs 30.9%; P = 0.04) and end-systolic posterior ventricular sulcus-anterolateral papillary muscle angle (133.9 vs 143.9 degrees; P = 0.01). In six patients with scar, there was no change in LV or MR parameters. Regression analysis revealed linear associations between baseline MV tenting height (r = 0.57; P = 0.006), LV end-diastolic diameter index (r = 0.5; P = 0.02), mitral septolateral annular diameter (r = 0.48; P = 0.03), and MV tenting area (r = 0.46; P = 0.03), with follow-up MR jet area/left atrial area ratio. CONCLUSIONS: In patients with prior inferior myocardial infarction and no scar, CRT is associated with decreased MR severity, and improved papillary muscle alignment and LV systolic function at follow-up. PMID- 29222865 TI - Multipoint pacing improves peripheral hemodynamic response: Noninvasive assessment using radial artery tonometry. AB - BACKGROUND: Multipoint left ventricular (LV) pacing (MultiPointTM Pacing [MPP], Abbott, Sylmar, CA, USA) improves the response rate to cardiac resynchronization therapy (CRT). We evaluated the feasibility of noninvasive radial artery tonometry (RAT) to characterize arterial pressure morphology changes (pre ejection period [PEP] and ejection duration [ED]) between conventional CRT and MPP pacing interventions. METHODS: Patients with a MPP-enabled CRT device (Quadra Assura MPTM, Abbott) underwent noninvasive RAT assessment (SphygmoCor CVMS, AtCor Medical Inc., Itasca, IL, USA) at 3-6 months after implantation. A pacing protocol was performed in a randomized order including one optimized conventional biventricular CRT (CONV) configuration using the distal electrode and five MPP configurations. The PEP, ED, and PEP/ED ratio were determined for each intervention from the RAT pressure waveform and electrocardiogram. RESULTS: Pressure waveforms were successfully recorded in 19 patients (89% male, QRS 147 +/- 16 ms, 63% ischemic). In 17/19 (89%) patients, at least one MPP intervention resulted in improved PEP, ED, and PEP/ED compared to CONV. The MPP intervention with greatest separation of LV cathodes and minimum intra-LV delay significantly improved PEP (mean PEP -15 +/- 33% vs -8 +/- 32% [CONV], P = 0.04) and ED (mean ED +8 +/- 8% [MPP] vs +4 +/- 7% [CONV], P = 0.02), and PEP/ED (-0.07 +/- 0.14 [MPP] vs -0.04 +/- 0.13 [CONV], P = 0.02) compared with CONV. CONCLUSIONS: Noninvasive RAT efficiently characterizes changes in PEP and ED between CONV and MPP interventions. MPP configurations using the widest separation among LV cathodes and minimum intra-LV delay may significantly improve RAT-derived parameters as compared to conventional CRT. PMID- 29222866 TI - Outcome of antibody-mediated rejection compared to acute cellular rejection after pediatric heart transplantation. AB - Outcomes of ACR after pediatric HTx have been well described, but less has been reported on outcomes of AMR. We compared the clinical characteristics and cardiovascular outcomes (composite end-point of death, retransplantation, or allograft vasculopathy) of pediatric HTx recipients with AMR, ACR, and no rejection in a retrospective single-center study of 104 recipients. Twenty were treated for AMR; 15 were treated for ACR. Recipients with AMR had an increased frequency of congenital heart disease (90% vs ACR 67% vs no rejection 59%, P = .03), homograft (68% vs 7% vs 18%, P < .001), HLA sensitization (45% vs 13% vs 13%, P = .008), and positive cross-match (30% vs 7% vs 9%, P = .046). AMR caused hemodynamic compromise more often than ACR (39% vs 4%, P = .02). AMR recipients had worse cardiovascular outcome than recipients with ACR or no rejection (40% vs 20% vs 8.6%, P = .003). In bivariate Cox analysis, AMR (HR 4.1, CI 1.4-12.0, P = .009) and ischemic time (HR 1.6, CI 1.1-2.3, P = .02) were associated with worse cardiovascular outcome; ACR was not. In summary, pediatric HTx recipients who develop AMR have worse cardiovascular outcome than recipients who develop only ACR or experience no rejection at all. PMID- 29222867 TI - Asymmetric Total Syntheses and Structure Confirmation of Chlorofucins and Bromofucins. AB - Substrate-controlled asymmetric total syntheses and structure confirmation of (+) (3E)- and (-)-(3Z)-chlorofucin [(E)-1 a and (Z)-1 a], and (+)-(3E)- and (-)-(3Z) bromofucin [(E)-1 b and (Z)-1 b] were accomplished. Our syntheses feature as key steps haloetherification (either 'conventional' or 'one-pot organoselenium mediated') of alpha,alpha'-trans-gamma,delta-unsaturated oxocene alcohol 9 and our (E)- and (Z)-selective cross-metathesis (CM) protocols. More importantly, a rationale is provided for the strikingly different pathways followed by alpha,alpha'-trans-gamma,delta-unsaturated oxocene alcohol 9 and its alpha,alpha' cis isomer 9' in the presence of different electrophiles during the intramolecular electrophilic addition reactions. PMID- 29222868 TI - Synthesis of New Microporous Zincosilicates with CHA Zeolite Topology as Efficient Platforms for Ion-Exchange of Divalent Cations. AB - There is growing interest to develop zeolite materials capable of stabilizing divalent cations such as Cu2+ , Fe2+ , and Ni2+ for catalytic applications. Herein the synthesis of a new microporous zincosilicate with CHA zeolite topology is reported for the first time, by particularly focusing on the mixing procedures of the raw materials to prevent the precipitation of zinc oxides/hydroxides and the formation of impurity phases. The obtained zincosilicate CHA products possess remarkably higher ion-exchange ability for catalytically useful, divalent cations, demonstrated here using Ni2+ as an example, compared to that of aluminosilicate and zincoaluminosilicate analogs. It is anticipated that these zincosilicate CHA materials can be an efficient platform for several important catalytic reactions. In addition, the present finding would provide a general guideline for effective substitution of other heteroatoms into the zeolite frameworks. PMID- 29222869 TI - New generation cardioverter-defibrillator lead with a floating atrial sensing dipole: Long-term performance. AB - OBJECTIVES: The study aim is to present the long-term performance of a new generation implantable cardioverter defibrillator (ICD) electrode with floating atrial dipole (Linox S DX, Biotronik, Berlin, Germany). BACKGROUND: The single ICD electrode with a floating dipole in the atrial chamber was introduced about 15 years ago to overcome risk of inappropriate shock. METHODS: After implantation, internal electrocardiogram data were prospectively collected via telemonitoring (Home Monitoring, Biotronik). RESULTS: A total of 93 patients (81.5% male, 18.5% female; 58.9 +/- 12.3 years) were implanted with a single chamber ICD using the Linox S DX. Patients were followed up for a median of 693 days (33-2,460 days). At time of implantation average p-wave value was 3.5 +/- 1.7 mV and remained stable throughout follow-up with an average value of 3.7 +/- 1 mV (P = 0.2). A total of 460 arrhythmic episodes were recorded and 185 (40.2%) were incorrectly stratified by the device software. Seven patients (7.5%) experienced inappropriate ICD therapy. In three patients, VT episodes were not detected and remained untreated. CONCLUSIONS: Although the Linox S DX lead presents a satisfactory long-term stability of the atrial sensing, many of the messages sent to the device during follow-up were incorrectly classified by the ICD software. As a result, inappropriate therapy occurred with a rate similar to that observed with dual-chamber ICDs, but some malignant arrhythmias remained undiagnosed and untreated while occurring. Results in larger prospective cohorts should be analyzed and software improvements of the device should be suggested to overcome these potential drawbacks. PMID- 29222870 TI - A Route to Base Coordinate Silicon Difluoride and the Silicon Trifluoride Radical. AB - Silicon difluoride (SiF2 ) is highly unstable at room temperature and condenses at this temperature rapidly to a polymeric material of unknown structure. Therefore, the isolation of a stable monomeric silicon difluoride species is a challenging task. The cyclic alkyl(amino) carbene (cAAC) coordinated silicon difluoride was isolated as (cAAC)2 SiF2 (2), synthesized from the reduction of cAAC-SiF4 (1) by using two equivalents of KC8 in the presence of one equivalent of cAAC. In the solid state, compound 2 is stable at room temperature for a long time under inert conditions. The reduction of compound 1 in the presence of one equivalent KC8 resulted in the first stable silicon trifluoride monoradical (cAAC)SiF3 (3). PMID- 29222871 TI - Myelin extracellular leaflet compaction requires apolipoprotein D membrane management to optimize lysosomal-dependent recycling and glycocalyx removal. AB - To compact the extracellular sides of myelin, an important transition must take place: from membrane sliding, while building the wraps, to membrane adhesion and water exclusion. Removal of the negatively charged glycocalyx becomes the limiting factor in such transition. What is required to initiate this membrane zipping process? Knocking-out the Lipocalin Apolipoprotein D (ApoD), essential for lysosomal functional integrity in glial cells, results in a specific defect in myelin extracellular leaflet compaction in peripheral and central nervous system, which results in reduced conduction velocity and suboptimal behavioral outputs: motor learning is compromised. Myelination initiation, growth, intracellular leaflet compaction, myelin thickness or internodal length remain unaltered. Lack of ApoD specifically modifies Plp and P0 protein expression, but not Mbp or Mag. Late in myelin maturation period, ApoD affects lipogenic and growth-related, but not stress-responsive, signaling pathways. Without ApoD, the sialylated glycocalyx is maintained and ganglioside content remains high. In peripheral nervous system, Neu3 membrane sialidase and lysosomal Neu1 are coordinately expressed with ApoD in subsets of Schwann cells. ApoD-KO myelin becomes depleted of Neu3 and enriched in Fyn, a kinase with pivotal roles in transducing axon-derived signals into myelin properties. In the absence of ApoD, partial permeabilization of lysosomes alters Neu1 location as well. Exogenous ApoD rescues ApoD-KO hypersialylated glycocalyx in astrocytes, demonstrating that ApoD is necessary and sufficient to control glycocalyx composition in glial cells. By ensuring lysosomal functional integrity and adequate subcellular location of effector and regulatory proteins, ApoD guarantees the glycolipid recycling and glycocalyx removal required to complete myelin compaction. PMID- 29222872 TI - Comparison of therapeutic effects of EGFR-tyrosine kinase inhibitors on 19Del and L858R mutations in advanced lung adenocarcinoma and effect on cellular immune function. AB - BACKGROUND: We compared the therapeutic effect of EGFR-tyrosine kinase inhibitors (TKIs) on 19Del and L858R mutations in advanced lung adenocarcinoma on cellular immune function and explored the factors influencing the curative effect and prognosis. METHODS: Clinical efficacy in the selected 71 patients with lung adenocarcinoma, including 52 patients with 19Del and L858R mutations and 19 wild type patients treated with EGFR-TKIs was retrospectively analyzed. The response rate (RR), disease control rate (DCR), progression-free survival (PFS), overall survival (OS), and cellular immune function were analyzed. RESULTS: The RR, DCR, PFS, and OS of the 19Del group were higher than those of the L858R group; however, there were no statistically significant differences between the groups. chi2 test results revealed that gender, smoking, and EGFR mutations were associated with DCR. Log-rank analytical results showed that EGFR mutation type was correlated to PFS and OS. Multivariate analysis implied that disease control and mutation type of EGFR were independent prognostic factors of OS. Following TKI treatment, the number of CD3+, CD4+, and NK cells and the CD4+/CD8+ratio increased in both mutation groups; however the results were not statistically significant. There was also no significant difference in the upregulation of immunological function observed, with 46.43% in the 19Del mutation and 45.83% in the L858R mutation group. CONCLUSION: EGFR 19Del and L858R mutations are good biomarkers for predicting the clinical response of EGFR-TKIs. 19Del mutations may have a better clinical outcome. PMID- 29222873 TI - Calcineurin inhibitor-associated electrolyte disturbances after pediatric renal transplantation: Could fludrocortisone therapy have a role? PMID- 29222874 TI - A homochiral porous organic cage with large cavity and pore windows for the efficient gas chromatography separation of enantiomers and positional isomers. AB - Porous organic cages composed of discrete cage molecules have attracted considerable recent attention as gas adsorption materials and separation media. In this study, we report a homochiral porous organic cage CC5 with a large cavity and pore windows as a novel stationary phase for high-resolution gas chromatographic separations. The capillary column was prepared by a static coating method. A large number of racemic compounds have been resolved on the coated capillary column, including derivatized amino acids, alcohols, alcohol amines, esters, ethers, ketones, and epoxides. It is interesting that the CC5 coated capillary column exhibits significant chiral recognition complementarity to a commercial beta-DEX 120 column and a previously reported homochiral porous organic cage CC3-R-coated column, which could expand the range of the analytes amenable to separation on porous organic cage-based capillary columns. Moreover, the fabricated column also shows excellent selectivity for the separation of positional isomers, including the challenging ethylbenzene and xylene isomers. Experimental results demonstrate an excellent separation performance and stability of the CC5-coated column, making it promising for gas chromatography applications. PMID- 29222875 TI - The incidence and outcomes of delayed response to cardiac resynchronization therapy. AB - BACKGROUND: The incidence and clinical outcomes of delayed response to cardiac resynchronization therapy (CRT) have not been well clarified. We aimed to observe the incidence and prognosis of delayed response and to identify its possible mechanisms. METHODS: A total of 115 CRT patients were retrospectively analyzed in our study. Patients who met the enrollment criteria were divided into two groups: group A, conventional responders who showed response at 1-year follow-up, and group B, delayed responders who showed response after 1-year follow-up. CRT response was defined as an absolute increase of >=10% in left ventricular ejection fraction. RESULTS: Fifty-two patients (61 +/- 12 years, 37 male) experienced conventional response to CRT and 17 patients (63 +/- 11 years, 10 male) experienced delayed response. The mean follow-up time was 5.2 +/- 2.4 years. The incidence of delayed response was 14.8% (17/115). All-cause mortality and hospitalization rates for heart failure were similar for delayed and conventional responders. Multivariate logistic regression analysis revealed that scar burden > 35% was an independent predictor of CRT delayed response (odds ratio 8.794, P = 0.038). CONCLUSIONS: A significant proportion of patients demonstrated delayed response to CRT. The delayed responders had a good prognosis that was similar to that of conventional responders. More scar burden might be related to the incidence of delayed response. PMID- 29222876 TI - Asia Pacific Clinical Nutrition Society Award for 2018: Professor Chunming Chen. PMID- 29222877 TI - Critical examination of evidence for the nutritional status of children in Papua New Guinea - a systematic review. AB - BACKGROUND AND OBJECTIVES: Undernutrition remains a significant cause of childhood illness, poor growth, development, and death in Papua New Guinea (PNG). Studies on child nutritional outcomes in PNG vary by design, measurement protocols and quality. We conducted a systematic review to assess the evidence for the prevalence of child undernutrition across different study populations, geographical locations and time periods. METHODS AND STUDY DESIGN: Six electronic databases and additional grey literature were searched for articles describing the nutritional status by wasting, stunting and underweight, of PNG children under five years of age, published between 1990 and April 2015. Prevalence data using different scales of measurement and reference populations were standardized according to WHO protocols. RESULTS: The search yielded 566 articles, of which, 31 studies met the inclusion criteria. The prevalence of child undernutrition varied from 1% to 76% for wasting (median 11%), 5% to 92% for stunting (median 51%), and 14% to 59% for underweight (median 32%). Wide variations exist according to the index used for measurement, the population characteristics and the geographical region in which they live. Prevalence estimates increase significantly when data using different scales of measurement and population references are standardized to the WHO protocols. CONCLUSIONS: Child undernutrition in PNG is regionally variable due to a complex interplay of poverty, disease, food-security, cultural, environmental and sociopolitical issues requiring a complex mix of solutions by governments, health systems and local communities. Area- specific surveys using multiple measures are necessary to inform local solutions for this important problem. PMID- 29222878 TI - Non-communicable diseases, food and nutrition in Vietnam from 1975 to 2015: the burden and national response. AB - BACKGROUND AND OBJECTIVES: This review manuscript examines the burden and national response to non-communicable diseases (NCDs), food and nutrition security in Vietnam from 1975 to 2015. METHODS AND STUDY DESIGN: We extracted data from peer-reviewed manuscripts and reports of nationally representative surveys and related policies in Vietnam. RESULTS: In 2010, NCDs accounted for 318,000 deaths (72% of total deaths), 6.7 million years of life lost, and 14 million disability-adjusted life years in Vietnam. Cardiovascular diseases, cancers, chronic obstructive pulmonary disease, and diabetes mellitus were major contributors to the NCD burden. Adults had an increased prevalence of overweight and obesity (2.3% in 1993 to 15% in 2015) and hypertension (15% in 2002 to 20% in 2015). Among 25-64 years old in 2015, the prevalence of diabetes mellitus was 4.1% and the elevated blood cholesterol was 32%. Vietnamese had a low physical activity level, a high consumption of salt, instant noodles and sweetened non alcoholic beverages as well as low consumption of fruit and vegetables and seafood. The alcohol consumption and smoking prevalence were high in men. Exposure to second-hand tobacco smoke was high in men, women and youths at home, work, and public places. In Vietnam, policies for NCD prevention and control need to be combined with strengthened law enforcement and increased program coverage. There were increased food production and improved dietary intake (e.g., energy intake and protein-rich foods thanked to appropriate economic, agriculture, and nutrition strategies. CONCLUSIONS: NCDs and their risk factors are emerging problems in Vietnam, which need both disease-specific and sensitive strategies in health and related sectors. PMID- 29222879 TI - Prevalence, cause and diagnosis of lactose intolerance in children aged 1-5 years: a systematic review of 1995-2015 literature. AB - BACKGROUND AND OBJECTIVES: To assess the prevalence, etiology, diagnosis of primary and secondary lactose intolerance (LI), including age of onset, among children 1-5 years of age. Suspected/perceived lactose intolerance can lead to dietary restrictions which may increase risk of future health issues. METHODS AND STUDY DESIGN: MEDLINE, CAB Abstract, and Embase were searched for articles published from January 1995-June 2015 related to lactose intolerance in young children. Authors independently screened titles/abstracts, full text articles, for eligibility against a priori inclusion/exclusion criteria. Two reviewers extracted data and assessed quality of the included studies. RESULTS: The search identified 579 articles; 20 studies, the majority of which were crosssectional, were included in the qualitative synthesis. Few studies reported prevalence of primary LI in children aged 1-5 years; those that did reported a range between 0 17.9%. Prevalence of secondary LI was 0-19%. Hydrogen breath test was the most common method used to diagnose LI. None of the included studies reported age of onset of primary LI. CONCLUSIONS: There is limited recent evidence on the prevalence of LI in this age group. The low number of studies and wide range of methodologies used to diagnose LI means that comparison and interpretation, particularly of geographical trends, is compromised. Current understanding appears to rely on data generated in the 1960/70s, with varied qualities of evidence. New, high quality studies are necessary to understand the true prevalence of LI. This review is registered with the International Prospective Register for Systematic Reviews (PROSPERO). PMID- 29222880 TI - Consumption and sources of added sugar in Indonesia: a review. AB - BACKGROUND AND OBJECTIVES: The present report summarized the best available evidence regarding consumption level and sources of free or added sugars in Indonesia. METHODS AND STUDY DESIGN: Information was extracted from food balance sheets, household expenditure surveys, nutrition surveys, published studies, unpublished theses/ dissertations, and government reports. RESULTS: A total of 18 references were obtained, showing varying results. Indonesia's national surveys suggested intakes of sugar below 50 grams per day or below 10% of energy intake. Published studies suggested higher levels of intake. Studies used expenditure surveys or a single day of recall to determine dietary intake. None made use of biomarkers to determine the level of sugar intake. The 2014 Total Diet Study estimated that 11.8% of the population consumed >50 grams sugar per day. Common food sources were table sugar, wheat products, milk products, sweetened drinks, condiments, candies and chocolate products. CONCLUSIONS: Insufficient evidence exists regarding the levels and sources of added sugar intake of different population groups in Indonesia. A nationwide survey using multiple (at least two) 24-hour recalls to allow estimation of usual intake and to identify food sources, and the use of biomarkers to validate intake will provide more accurate information on which to base policy decisions. PMID- 29222881 TI - Development and validation of a pediatric nutritional screening score (PNSS) for hospitalized children. AB - BACKGROUND AND OBJECTIVES: There is no evidence on the most effective nutritional screening tool for hospitalized children. The objective of this study was to develop and validate a pediatric nutritional screening tool to assess undernutrition risk upon hospital admission. METHODS AND STUDY DESIGN: The study had a two-phase prospective observational design. A novel pediatric nutritional screening score (PNSS) was developed and sensitivity, specificity, and reliability were evaluated by comparing with a complete dietetic assessment. Length of hospital stay, weight loss, disease complications, and nutritional support were recorded. RESULTS: PNSS consisted of three elements: disease with malnutrition risks, changes in food intake, and anthropometric measurements, with a score of 0-2 for each element. The optimal cut-off score to identify patients (n=96) at risk of undernutrition was two. The agreement between PNSS and the complete dietetic assessment was moderate (kappa=0.435, 95% CI=0.373-0.498). Sensitivity and specificity values of PNSS were 82% (95% CI=76%-87%) and 71% (95% CI=67%-74%), respectively. Inter-rater agreement had a kappa value of 0.596 (95% CI=0.529-0.664, p<0.001). The percentage of children with undernutrition risk was 44.9%. Children with oncologic, gastrointestinal, and cardiac diseases were most likely to be at risk of undernutrition. The at-risk group was associated significantly with longer length of hospital stay and higher percentage of weight loss compared with the not-at-risk group. CONCLUSION: PNSS is the first nutritional screening tool developed for hospitalized children and validated in a large population of patients in China. PMID- 29222882 TI - Relative validity of an indirect calorimetry device for measuring resting energy expenditure and respiratory quotient. AB - BACKGROUND AND OBJECTIVES: Resting energy expenditure (REE) and respiratory quotient (RQ) are important for optimal nutritional care. The purpose of this study was to assess the accuracy and repeatability of an indirect calorimetry device (IIM-IC-100) in the measurement of REE and RQ in healthy Chinese adults. METHODS AND STUDY DESIGN: A total of 38 healthy adults (19 male and 19 female) aged 18-52 years (25+/-6 years) were enrolled in this study. REE and RQ were measured by IIM-IC-100 and by VO2000, alternately and in duplicate. RESULTS: There was a highly significant correlation between IIM-IC-100 REE and VO2000 REE (r=0.906, p<0.001), with mean IIM-IC-100 REE significantly higher than that of VO2000 (1475+/-269 vs 1394+/-313 kcal/d, p=0.002). Bland- Altman analysis revealed that the mean difference between IIM-IC-100 REE and VO2000 REE was 81.3 kcal/d, with limits of agreement of -185 to +347 kcal/d. There was no significant difference in RQ between the two devices. No significant differences were observed between the repeated measurements for both devices. Intrasubject coefficients of variation (CVs) of REE were smaller for IIM-IC-100 (5.8%) than for VO2000 (10.5%), while CVs of RQ were similar for IIM-IC-100 (7.2%) and VO2000 (6.9%). CONCLUSIONS: These preliminary data indicated that the IIM-IC-100 showed promise as an accurate and precise tool in the assessment of REE and RQ in healthy Chinese adults. PMID- 29222883 TI - The Geriatric Nutritional Risk Index predicts mortality in nonagenarians and centenarians receiving home care. AB - BACKGROUND AND OBJECTIVES: The increasing prevalence of malnutrition in old people is related to the risk of illness and death. A number of screening tools to detect malnutrition have been used in the elderly to assess nutritional status and predict prognosis. The aim of the present study was to investigate the ability of the Geriatric Nutritional Risk Index (GNRI) to assess nutritional status and predict mortality in very old home-care people by using a cross sectional study of Chinese older people aged 90-105 years. METHODS AND STUDY DESIGN: The present study was based on a 4-year follow-up of mortality data from a previous cross-sectional study. The study was conducted with a very elderly population with a mean age of 93.5+/-3.2 years (n=716; 230 men and 486 women). In 2005, trained researchers performed face-to-face interviews and physical and geriatric assessments to obtain information on sociodemographic factors, self reported medical diseases, geriatric-specific conditions, anthropometric factors, biochemical data, and the GNRI score. In 2009, vital status were requested from the local government. RESULTS: After 4 years of follow-up, 371 participants died (125 men and 246 women, 51.8%). The median follow-up time was significantly worse in the nutritional risk group (GNRI <=98) (30.26+/-15.80 vs 42.27+/-11.82 months, p<0.001). Activities of daily living (ADL) impairment (hazard ratio [HR]=1.414, 95% CI=1.121-1.783), and GNRI score (HR=0.92, 95% CI=0.908-0.932) were associated with all-cause mortality according to a Cox regression analysis. CONCLUSIONS: The GNRI, a nutrition-related risk index, can predict mortality in very old Chinese home-care people. PMID- 29222884 TI - Development and evaluation of nutritional, sensory and glycemic properties of finger millet (Eleusine coracana L.) based food products. AB - BACKGROUND AND OBJECTIVES: Finger millet (Eleusine coracana L.) (FM) is rich in dietary fibre and is therefore expected to elicit a lower glycemic response compared to other grains. However, there is little data on the glycemic properties of FM-based products. We evaluated the nutritional, sensory and glycemic properties of decorticated millet with lower polish (DFM-LDP), flakes (FMF), vermicelli (FMV) and extruded snack (FMES) (both FMV and FMES with 7-8% added soluble fibre). METHODS AND STUDY DESIGN: The nutrient contents of the FM products were evaluated by standard AOAC (Association of Official Analytical Chemists) and AACC (American Association of Cereal Chemists) methods. Sensory evaluation was conducted monadically using a 9-point hedonic scale using untrained panel members. GI testing was conducted using a standardized validated protocol. The study was conducted according to the guidelines laid down by the Declaration of Helsinki, and was approved by the Ethics Committee of the Madras Diabetes Research Foundation. RESULTS: The products had dietary fibre (DF) content between 5.8-15.6 g%. FMES was unique in having a very low fat content (0.17%). Evaluation of sensory perception revealed moderate acceptance of millet based products. The glycemic indices (GI) (mean+/-SEM) of the products were 84.7+/-7.7%, 82.3+/-6.4%, 65.5+/-5.1% and 65.0+/-6.6% for DFM-LDP, FMF, FMV and FMES respectively. CONCLUSIONS: DFM-LDP and FMF (purely finger millet based products) elicited higher glycemic responses. Comparatively, FMV and FMES (with added functional ingredients) exhibited medium GI values and, are healthier dietary options. It is possible to prepare FM products with lower GI by utilizing functional ingredients. PMID- 29222885 TI - Chronic low grade inflammation measured by dietary inflammatory index and its association with obesity among school teachers in Yangon, Myanmar. AB - BACKGROUND AND OBJECTIVES: This study was aimed to investigate the association between obesity and chronic low grade inflammation (CLGI) measured by Dietary Inflammatory Index (DII) as a proxy indicator of CLGI among obese and non-obese teachers. METHODS AND STUDY DESIGN: We conducted a cross sectional study among 128 non-obese (BMI <25) and 116 obese (BMI >=25) female teachers aged 25-60 years from six urban schools in Yangon, Myanmar between January and March 2015. Usual dietary intake was collected by 3-day nonconsecutive estimated 24 hour's dietary records and semi-quantitative Food Frequency Questionnaires. Adapted DII was calculated by standardized methods using literature-derived population-based dietary inflammatory weights of 31 food parameters. C-reactive protein (CRP) was analysed by a sandwich Enzyme-Linked Immunosorbent Assay (ELISA) technique. Mean DII between obese and non-obese was compared by independent t test. The association between obesity indices and high DII (DII >=1.1) and high CRP (>3 mg/L) were investigated by logistic regression. RESULTS: Obese teachers had lower intakes of anti-inflammatory nutrients (vitamin B-6, vitamin A and zinc)/food (onion) compared with non-obese teachers (p<0.05) and obesity was significantly associated with CRP (Odd ratio (OR)=5.5, 95% Confidence interval (CI) 1.2-24.1, p=0.02). However, there was no significant association between obesity and DII (OR=1.4, 95% CI -0.8-2.3, p=0.23). CONCLUSIONS: Role of antiinflammatory foods should be promoted for prevention of obesity and related diseases. Further use of DII among Myanmar general population for prevention of obesity and its related diseases should be explored with longitudinal studies. PMID- 29222886 TI - Salivary cariogenic bacteria counts are associated with obesity in student women at a Malaysian university. AB - BACKGROUND AND OBJECTIVES: The counts of cariogenic bacteria lactobacilli and mutans streptococci have been studied and correlated with sugar intake. This study was to investigate the association between salivary lactobacilli and mutans streptococci counts with sweet food eating behavior and sweet sensitivity among 120 Malaysian women (101 ethnic Chinese, 19 ethnic Indians), while taking into account anthropometric and menstruation variables. METHODS AND STUDY DESIGN: Demographics, anthropometric measurements and menstrual history were taken. Hedonic preference, intake frequency of a list of sweet foods, intensity perception and pleasantness ratings of sweet stimuli were assessed. Saliva was collected for lactobacilli and mutans streptococci culture. RESULTS: We found that centrally obese subjects (high waist circumference and waist-hip ratio) had significantly higher salivary lactobacilli and mutans streptococci counts (all p<0.05), while overweight and high total body fat subjects had significantly higher salivary mutans streptococci counts (p<0.001). The sweetness intensity perception of chocolate malt drinks was significantly lower in women who were in their pre-menstrual (post-ovulation) phase. However, menstruation variables (menstrual phases, regularity and pre-menstrual syndromes) did not play a role in determining compulsive eating, sweets/chocolate craving and salivary lactobacilli and mutans streptococci counts. CONCLUSIONS: Taken together, salivary lactobacilli and mutans streptococci counts of the Malaysian women are associated with central obesity, but not sweet food eating behaviour, sweet sensitivity and menstruation variables. Salivary microbiome analysis could be useful as a potential diagnostic indicator of diseases such as obesity. PMID- 29222887 TI - Relationship between umami taste acuity with sweet or bitter taste acuity and food selection in Japanese women university students. AB - BACKGROUND AND OBJECTIVES: Although there are many studies on the umami receptor and its signaling pathway, literature on the effect of umami taste acuity on dietary choices in healthy subjects is limited. The current study aims to clarify the relationship between umami taste acuity with sweet or bitter taste acuity, food preference and intake. METHODS AND STUDY DESIGN: Forty-two healthy Japanese female university students were enrolled. The acuity for umami, sweet, and bitter tastes was evaluated using the filter-paper disc method. The study population was divided into 32 umami normal tasters and 10 hypo-tasters based on the taste acuity at the posterior part of the tongue using monosodium glutamate. RESULTS: Umami hypo-tasters exhibited a significantly lower sensitivity to sweet tastes than normal tasters. However, the sensitivity to bitter taste was comparable between the two groups. Food preference was examined by the food preference checklist consisted of 81 food items. Among them, umami tasters preferred shellfish, tomato, carrot, milk, low fat milk, cheese, dried shiitake, and kombu significantly more than umami hypo-tasters did. A self-reported food frequency questionnaire revealed no significant differences in the intake of calories and three macronutrients between the two groups; however, umami tasters were found to eat more seaweeds and less sugar than umami hypo-tasters. CONCLUSIONS: These data together may indicate the possibility that umami taste acuity has an effect on a dietary life. Therefore, training umami taste acuity from early childhood is important for a healthy diet later in life. PMID- 29222888 TI - Common food antimicrobials: effects on cellular inflammation and oxidative damage and their estimated occurrence in Singapore. AB - BACKGROUND AND OBJECTIVES: The prevalence and potential health effects of common food antimicrobials in processed foods and beverages are relatively unknown in Singapore. The occurrence of chemical antimicrobials in processed foods and beverages and their effects on inflammation and oxidative stress in vitro were examined. METHODS AND STUDY DESIGN: The occurrence of antimicrobials in 1605 processed food and 359 beverage items were examined by surveying the ingredients on the product labels. Human neutrophils were exposed to physiologically relevant concentrations of common antimicrobials. Established markers of inflammation, l Leukotriene B4 and oxidative stress, F2-isoprostanes were measured using stable isotope dilution gas chromatography-mass spectrometry. RESULTS: Antimicrobials were added to 23.2% of the processed foods and beverages. Sorbic, benzoic, lactic, propionic and acetic acids accounted for 84.8% of the added antimicrobials in the processed foods and beverages. 92.5% of the bread contained propionic acid. Lactic acid was the most common antimicrobial (44.4%) in cheeses. Sorbic acid was added to 63.2% of the margarines selected. Sauces (31.5%), energy drinks (50.0%), soft drinks (70.7%) and fruit cordials (66.6%) contained added benzoic acid. Benzoic and propionic acids at physiologically relevant concentrations augmented leukotriene B4formation (benzoicacid, EC50 = ~100 MUg L 1and propionic acid, >200 MUg L-1). Lactic and sorbic acids dose-dependently inhibited the F2-isoprostanes production (IC50 values ~100 MUg L-1) and myeloperoxidase activity (IC50values ~100 MUg L-1). CONCLUSIONS: Our results demonstrate that Singapore consumers are significantly exposed to food antimicrobials, and these molecules, in physiologically relevant concentrations, exert significant and differential effects in vitro. PMID- 29222889 TI - Effects of parenteral omega-3 fatty acid supplementation in postoperative gastrointestinal cancer on immune function and length of hospital stay: a systematic review and meta-analysis. AB - BACKGROUND AND OBJECTIVES: Omega-3 fatty acids are widely used in nutritional support. However, whether parenteral supplementation with omega-3 fatty acids is effective for gastrointestinal cancer patients remains uncertain. This study assessed the effects of this form of parenteral nutrition on immune function and clinical outcomes in postoperative gastrointestinal cancer patients. METHODS AND STUDY DESIGN: We searched Medline, Embase, Scopus, and the reference lists of selected studies to identify randomized controlled trials that compared omega-3 fatty acids with a control, and that included immune indices, infectious complications, or length of hospital stay in the final outcomes. The odds ratio and weighted mean difference with 95% confidence intervals were calculated and the I2 statistic was used to assess heterogeneity. RESULTS: Seven trials with a total of 457 participants were included in the meta-analysis. Five pooled trials with 373 participants indicated that the incidence of infectious complications was significantly different between the intervention and control groups (odds ratio: 0.36; 95% confidence interval: 0.18, 0.74, p<0.05). Five trials involving 385 participants indicated that parenteral omega-3 fatty acid supplementation significantly shortened the length of hospital stay (weighted mean difference: 2.29, 95% confidence interval: -3.64, -0.93; p<0.05). Meta-analysis also indicated that omega-3 fatty acids increased the level of CD4+ and CD4+/CD8+ ratio. CONCLUSIONS: The results of this study suggest that parenteral omega-3 fatty acid supplementation is beneficial for gastrointestinal cancer patients, and is accompanied by improved postoperative immune function and satisfactory clinical outcomes. PMID- 29222890 TI - Home enteral nutrition after minimally invasive esophagectomy can improve quality of life and reduce the risk of malnutrition. AB - BACKGROUND AND OBJECTIVES: The potential benefits of home enteral nutrition (HEN) and the effects of HEN on quality of life (QOL) after esophagectomy remain unclear. The aim was to investigate the effect of 3 months HEN on health related QOL and nutritional status of esophageal cancer patients who were preoperatively malnourished. METHODS AND STUDY DESIGN: 142 malnourished (PG-SGA stage B or C) patients with esophageal cancer were assigned to receive Ivor Lewis minimally invasive esophagectomy (MIE group) with laparoscopic jejunal feeding tube placement or open esophagectomy (OE group) with nasojejunal feeding tube placement. After discharge, patients in the MIE group received HEN with 500-1000 kcal/d for 3 months, while the OE group patients did not receive HEN, as nasojejunal feeding tubes had been removed. QLQ-C30 and PG-SGA questionnaires were used to evaluate the QOL and the risk of malnutrition. RESULTS: 67 patients were enrolled in the MIE group and 75 patients were enrolled in the OE group. Symptoms related to fatigue, nausea, vomiting, pain, and appetite loss were significantly decreased in the patients treated with 3 months HEN. Similarly, patients treated with 3 months HEN had a lower risk of malnutrition than patients did not receive HEN (PG-SGA score, 5.7 vs 7.9, p<0.01). More patients in the MIE group (received 3 months HEN) were able to complete postoperative chemoradiotherapy than patients in the OE group (p<0.01). CONCLUSIONS: MIE and subsequent treatment with 3 months HEN can improve the QOL and reduce the risk of malnutrition in preoperatively malnourished patients. PMID- 29222891 TI - Effects of preoperative oral carbohydrate therapy on perioperative glucose metabolism during oral- maxillofacial surgery: randomised clinical trial. AB - BACKGROUND AND OBJECTIVES: Preoperative oral carbohydrate therapy has been suggested to attenuate postoperative insulin resistance. The purpose of this study was to investigate the effect of a carbohydrate-rich beverage given preoperatively on intraoperative glucose metabolism. METHODS AND STUDY DESIGN: This study was a randomised, open-label, placebo-controlled trial. Patients undergoing oral-maxillofacial surgery were divided into two groups. In the glucose group, patients took glucose (50 g/278 mL, p.o.) 2 h before anaesthesia induction after overnight fasting; control-group patients took mineral water. Primary outcome was blood concentrations of ketone bodies (KBs); secondary outcomes were blood concentrations of free fatty acids, insulin and glucose. Concentrations were measured 2 h before anaesthesia (T0), induction of anaesthesia (T1), and 1 h (T2), 3 h (T3), and 5h after anaesthesia start (T4). RESULTS: In the control group (n=11), KBs increased continuously from anaesthesia induction. In the glucose group (n=12), KBs were maintained at low concentrations for 3h after beverage consumption but increased remarkably at T3. At T1 and T2, concentrations of KBs in the glucose group were significantly lower than those in the control group (T1, p=0.010; T2, p=0.028). In the glucose group, glucose concentrations decreased significantly at T2 temporarily, but in the control group, glucose concentrations were stable during this study (T2, p<0.001: glucose vs control). CONCLUSIONS: Preoperative intake of glucose (50 g, p.o.) can alleviate ketogenesis for 3 h after consumption but can cause temporary hypoglycaemia after anaesthesia induction. PMID- 29222892 TI - Benefit of oral nutritional supplements for children with acute lymphoblastic leukaemia during remission-induction chemotherapy: a quasi-experimental study. AB - BACKGROUND AND OBJECTIVES: To determine the effect of oral nutritional supplements (ONS) on children with acute lymphoblastic leukaemia undergoing remission-induction chemotherapy. METHODS AND STUDY DESIGN: We included 127 paediatric patients who were diagnosed with acute lymphoblastic leukaemia and undergoing remission- induction chemotherapy in the First Affiliated Hospital of Zhengzhou University. Children from two paediatric wards who met the inclusion criteria were enrolled. One ward was randomly chosen as the intervention group and the other ward as the control group. Children in the two groups were matched for age and sex. The ONS group was administered Peptamen(r) (n=60) and the control group was administered a low-fat diet (n=67). RESULTS: The baseline information before treatment was not significantly different between groups (p>0.05). In the control group, weight loss at the end of chemotherapy was significantly higher than that of ONS group (p<0.05). The hemoglobin level and the concentrations of total protein, albumin, and pre-albumin were significantly higher in the ONS group than in the control group (p<0.05 and p<0.01, respectively). The incidences of hypoalbuminaemia, gastrointestinal complications, and infection were lower in the ONS group than in the control group (p<0.05). The ONS group also used lower amount of albumin infusion, fewer blood-product infusion, and had lower hospital costs than the control group. CONCLUSIONS: During remission-induction chemotherapy, oral nutritional supplements can improve the nutritional status of children, reduce the incidence of complications, and decrease the costs of hospitalization. PMID- 29222893 TI - Postprandial long-chain n-3 polyunsaturated fatty acid response to krill oil and fish oil consumption in healthy women: a randomised controlled, single-dose, crossover study. AB - BACKGROUND AND OBJECTIVES: Krill oil (KO) and fish oil (FO) are good sources of health-benefiting long chain n- 3 polyunsaturated fatty acids (LC n-3 PUFA), EPA and DHA. There are conflicting outcomes on the bioavailability of LC n-3 PUFA from KO compared with FO. This study investigated the postprandial incorporation of LC n- 3 PUFA into plasma lipids following consumption of 5 capsules of KO or FO in comparison with olive oil (OO) control in healthy women. METHODS AND STUDY DESIGN: 10 women (aged 18-45 years) consumed a high-fat (15 g) breakfast, supplemented with 5 g of KO, FO, or OO in a random order with a minimum seven-day washout period between the supplementations. The LC n-3 PUFA content in KO was 907 mg compared with 1441 mg in FO. Blood samples were collected in the fasting state and for the next 5 hours after test meal consumption on an hourly basis. RESULTS: Significant increases in plasma EPA concentrations were observed starting at 2 h after KO and FO consumption (p<0.05). There were no significant changes in either DHA or DPA between the three groups. The increases in plasma EPA concentrations were similar between the KO and FO groups (p>0.05). CONCLUSIONS: The lower dose (31%) of EPA from KO led to a similar plasma EPA concentration as in the FO group, suggesting that EPA from KO may be more efficiently incorporated into plasma. This may be related to the high content of phospholipids and free fatty acids in KO. PMID- 29222894 TI - International hospital accreditation and clinical nutrition service in acute care hospitals in South Korea: results of a nationwide cross-sectional survey. AB - BACKGROUND AND OBJECTIVES: Beginning in 2007, 29 hospitals in South Korea have received accreditation from Joint Commission International (JCI). The present study aimed to identify differences in clinical nutrition service provisions between JCI accredited acute care hospitals and non-accredited acute care hospitals. A survey questionnaire was sent to all 43 acute care hospitals in South Korea. METHODS: A total of 35 sets of clinical nutrition service surveys, 234 sets of clinical dietitian job satisfaction surveys, and five-day daily work logs from 129 clinical dietitians were received. We used Fisher's exact test and independent t-test to analyze differences between acute care hospitals based on JCI accreditation. STUDY DESIGN: Nationwide cross-sectional survey. RESULTS: JCI accredited acute care hospitals (N=8) showed a higher, but not significantly higher, nutritional intervention rate of 12.7% among malnourished patients, compared with 7.0% in non-JCI accredited acute care hospitals (N=27). Analysis of work hours of clinical dietitians indicated time spent on direct care was higher (p<0.05), while time spent on outpatient care was lower (p<0.05) among JCI accredited acute care hospitals relative to non-JCI accredited acute care hospitals. CONCLUSIONS: Accreditation from JCI has a positive influence in the advancement of not only the hospital services, but also clinical nutrition services. PMID- 29222895 TI - Sarcopenia and cachexia evaluation in different healthcare settings: a questionnaire survey of health professionals. AB - BACKGROUND AND OBJECTIVES: The rates of sarcopenia and cachexia evaluations by different occupational groups at different settings are unclear. The objectives are to evaluate and compare the relative use of sarcopenia and cachexia evaluations among dietitians and associated healthcare professionals in a diverse range of settings. METHODS AND STUDY DESIGN: Participants were 4,621 members from the Japanese Association of Rehabilitation Nutrition. Settings included acute general wards, convalescent rehabilitation wards, long-term care wards, homecare service, and other settings. A questionnaire-based cross-sectional study was performed to evaluate assessments for sarcopenia and cachexia among dietitians and other professionals. Multiple comparisons based on Bonferroni method and logistic regression analysis were used. RESULTS: 718 (15.5%) answered the questionnaire. Data from 683 valid questionnaires were analyzed. Muscle strength, muscle mass, physical function, and cachexia were assessed by 53.4%, 51.1%, 53.4%, and 17.4% of dietitians. At convalescent rehabilitation wards, these rates were 81.8%, 62.0%, 82.5%, and 14.0%. The use of muscle strength and physical function evaluations was significantly lower among dietitians than among physical therapists and occupational therapists. The use of muscle mass and cachexia evaluations was not significantly different among the occupations. The use of muscle mass and strength evaluations was significantly higher in convalescent rehabilitation wards than in acute general wards, long-term care wards and facilities, and other settings, but not in homecare services. Cachexia evaluations were not significantly different between all settings. CONCLUSIONS: Raising the awareness of cachexia and sarcopenia among dietitians is a key issue, which should be addressed. PMID- 29222896 TI - Serum vitamin B-12 in children presenting with vasovagal syncope. AB - BACKGROUND AND OBJECTIVES: The present study aims to determine the serum vitamin B-12 in children presenting with vasovagal syncope. METHODS AND STUDY DESIGN: This is a prospective review of 160 children presenting with vasovagal syncope. Subgroup analysis was done based on the results of head up tilt test. RESULTS: Head up tilt test gave positive results in 80 children and yielded negative results in the remaining 80 children. The tilt test positive children had significantly lower thyroid stimulating hormone concentrations (p=0.06), total iron binding capacity (p=0.04) and serum vitamin B-12 (p=0.01). The prevalence of vitamin B-12 deficiency was significantly higher in the tilt positive group (80% vs 52.5%, p=0.001). Out of 80 children with positive tilt test, 8 children (10%) showed cardioinhibitory response, 22 children (27.5%) demonstrated a vasodepressor response, 24 children (30%) displayed mixed response and 26 children (32.5%) had the postural orthostatic tachycardia syndrome. Erythrocyte sedimentation rate was significantly lower in the mixed response group than in the vasodepressor group (6.2+/-0.8 mm/h vs 14.3+/-2.5 mm/h, p=0.001). Serum vitamin B-12 was significantly lower in the postural orthostatic tachycardia syndrome (POTS) group than in the vasodepressor group (240.8+/-38.2 pg/mL vs 392.7+/-27.1 pg/mL, p=0.001). The prevalence of vitamin B-12 deficiency was significantly higher in the POTS group than in the vasodepressor group (92.3% vs 45.5%, p=0.001). CONCLUSIONS: Vitamin B-12 deficiency causes reduction in myelinization, deceleration in nerve conduction and elevation in serum concentrations of noradrenaline. These factors may contribute to the impairment of autonomic functions which are involved in the pathogenesis of vasovagal syncope. PMID- 29222897 TI - Platelet-related cytokines among normal body mass index, overweight, and obese Malaysians. AB - BACKGROUND AND OBJECTIVES: Recent studies have reported that obesity is associated with platelet activation and systemic inflammation. Malaysia has the highest prevalence of obesity, hence, this research is performed to evaluate the development of low-grade inflammation and platelet activation, measured using soluble CD40 ligand (sCD40L) and soluble P-selectin (sP-sel), and to determine their association with obesity. In addition, we assessed the mean platelet volume (MPV) and platelet count (PLT), which are novel parameters consistently associated with obesity. METHODS AND STUDY DESIGN: A cross-sectional study was conducted on 112 healthy men and women from 3 main ethnic group (Malay, Chinese, and Indian) who were aged 18-60 years. The participants were categorized into normal body mass index (BMI), overweight and obese groups according to WHO criteria for BMI in Asian populations (18.5 kg/m21 SD). Energy intake was calculated from a one day 24 hour recall and compared to the Indonesian recommended dietary allowance (RDA) for energy. RESULTS: Children with low PA had higher risk (ODDs 3.4, 95% CI: 2.0, 6.0) of being overweight compared to children who had high PA. Children with moderate PA and energy take >100% RDA had higher risk (ODDs 4.2, 95% CI 1.9, 9.3) of being overweight than children with high PA and energy intakes <=100% RDA. CONCLUSIONS: Low physical activity independently or moderate physical activity and high energy intake are risk factors for Indonesian children to get overweight. Program intervention such as increasing physical activity at school and home is needed to reduce overweight among children. PMID- 29222902 TI - Fruit and vegetable intake of Korean children and adolescents according to cooking location and daily meal: study based on 2010 and 2011 Korea National Health and Nutrition Examination Survey data. AB - BACKGROUND AND OBJECTIVES: This study analyzed the intake of fruits and vegetables by cooking location and daily meals for Korean children and adolescents. METHODS AND STUDY DESIGN: For this study, 2,538 Korean children and adolescents aged 7-18 years, who participated in the 2010 and 2011 Korea National Health and Nutrition Examination Survey dietary intake survey (24-hour recall methods), were sampled. RESULTS: The total unsalted fruit and vegetable intake for all subjects was 300 g (aged 7-12 years, 280 g; aged 13-18 years, 316 g). Regarding meal serving location, the combined unsalted fruit and vegetable intake was 159 g at home, 206 g at commercial locations, and 104 g at institutions. The combined unsalted fruit and vegetable intake in snack form was 128 g, which was higher than that during daily meals. In total, 24.9% of subjects satisfied the recommended fruit and vegetable intake (>=400 g), according to the guidelines created by the World Health Organization/World Cancer Research Fund. Logistic regression analysis results revealed that the fruit and vegetable intake of girls was 1.4 times higher than that of boys, and the number of people who ate more than 400 g of fruits and vegetables was 1.7 times higher in the group with higher education. CONCLUSIONS: Based on the above results, in-depth measures to continuously increase intake of fruits and vegetables in children and adolescents are needed. This study can be used as basic data for the development of educational programs for dietary improvements. PMID- 29222903 TI - Vitamin D status and cardiometabolic risk factors in young adults in Hong Kong: associations and implications. AB - BACKGROUND AND OBJECTIVES: Vitamin D deficiency is reportedly common, but we lack data from young adults. Such data are of interest because epidemiological data support vitamin D as a possible risk modulator for diabetes and cardiovascular ('cardiometabolic') disease. Our objectives were to assess vitamin D status (as plasma 25(OH)D concentration) and investigate associations between this and biomarkers of cardiometabolic disease risk in a group of still-healthy young adults in Hong Kong. METHODS AND STUDY DESIGN: In this observational study, fasting venous blood was collected from 196 (63 males, 133 females), young (18-26 years) non-smoking, nonobese, consenting adults in good general health. Plasma 25(OH)D was measured by LC-MS/MS. A panel of established cardiometabolic risk factors (HbA1c, plasma glucose, lipid profile, hsCRP) and blood pressure were also measured. RESULTS: Mean (SD) plasma 25(OH)D concentration was 42.1 (13.0), with range 15.7-86.8 nmol/L; 141/196 subjects (72%) had vitamin D deficiency (25(OH)D <50 nmol/L); 13/184 (6.6%) were severely deficient (<25 nmol/L). Inverse association was seen between 25(OH)D and fasting glucose (r=-0.18; p<0.05). Higher HbA1c and TC:HDL-C ratio and lower HDL-C were seen in those with plasma 25(OH)D <25 nmol/L (p<0.05). CONCLUSIONS: Vitamin D deficiency was highly prevalent and associated with poorer cardiometabolic risk profile in these young adults. Public health strategies for addressing vitamin D deficiency are needed urgently. These new data provide support for further study on vitamin D deficiency as a modifiable risk factor for cardiometabolic disease and the ameliorative effects of increased vitamin D intake on cardiometabolic disease risk profile of vitamin D-deficient young adults. PMID- 29222904 TI - Dietary patterns change over two years in early adolescent girls in Hawai'i. AB - BACKGROUND AND OBJECTIVES: In investigating diet-disease relationships, examination of dietary patterns allows for conclusions to be drawn based on overall intake. This study characterized dietary patterns of early adolescent girls over a two-year period and examined the relationship between dietary patterns and body mass index (BMI). METHODS AND STUDY DESIGN: Cross-sectional analyses were performed using longitudinal data from food records of early adolescent girls (n=148) 9 to 14 years in Hawai'i from the Female Adolescent Maturation (FAM) study. Dietary patterns were identified using principal component analysis (PCA). Pearson's correlations between BMI percentile and z score and dietary pattern factor scores at Times 1 (2001-2002) and 2 (2002-2003) were calculated. For each dietary pattern, participants were divided into low, intermediate, and high scorers. Mean BMI percentiles and z-scores were compared between groups using analysis of covariance. RESULTS: At Time 1, three patterns were identified, characterized by: (1) whole grains, nuts and seeds, added sugar; (2) non-whole grain, tomatoes, discretionary fat; and (3) deep yellow vegetables, other starchy vegetables, cooked dry beans/peas. At Time 2, three different dietary patterns emerged: (1) non-whole grains, meat, discretionary fat; (2) other vegetables, fish, eggs; and (3) whole grain, tomatoes, other vegetables. BMI percentile and z-score differed between high and low scorers on Time 1 Pattern 1 and Time 2-Pattern 3. CONCLUSION: Results revealed changes in dietary patterns over time and an association between intake and BMI. Findings demonstrate the importance of frequent nutrition assessment to monitor changes in intake that may be improved to prevent obesity. PMID- 29222905 TI - Premorbid dietary intake of protein is associated with early outcomes but not with severity of ischemic stroke. AB - BACKGROUND AND OBJECTIVES: Dietary protein intake has been associated with reduced risk of stroke. This study aimed to examine the relationship between premorbid dietary intake of protein and both stroke severity and neurological outcomes in patients with acute ischemic stroke. METHODS AND STUDY DESIGN: Consecutive patients with first-ever ischemic stroke in Jinling Hospital were screened for eligibility of participation. A validated foodfrequency questionnaire (FFQ) was performed to collect necessary data for calculating pre stroke dietary intakes. Stroke severity was assessed by the National Institutes of Health Stroke Scale (NIHSS) at baseline. Neurological outcomes were assessed by the modified Rankin scale (mRS) 90 days after stroke onset. Multivariable logistical regression was applied to analyze the impacts of dietary protein intake on stroke severity or neurological outcomes. RESULTS: Of the 201 enrolled patients, 110 (54.7%) were classified as minor (NIHSS <=5) and 91 (45.3%) as major stroke (NIHSS >=6). After adjusting for potential confounders, multivariable logistic regression did not detect significant association between total (odds ratio (OR)=0.98, p=0.15), animal (OR=1.01, p=0.87) or plant protein intake (OR=0.96, p=0.07) and stroke severity. According to the 90-day mRS, 127 patients (63.2%) were determined with good (mRS <=2), and 74 (36.8%) with poor outcomes (mR 3-6). Multivariable logistic regression detected that premorbid dietary intake of total protein was positively associated with good neurological outcomes (OR=1.05, p=0.04). CONCLUSIONS: Higher level of premorbid protein intake may be associated with favorable neurological outcomes independent of stroke severity. PMID- 29222906 TI - Low maternal folate concentrations and maternal MTHFR C677T polymorphism are associated with an increased risk for neural tube defects in offspring: a case control study among Pakistani case and control mothers. AB - BACKGROUND AND OBJECTIVES: There is considerable evidence that periconceptional maternal folate deficiency and coding variants in maternal genes coding for critical enzymes in the folate pathway are associated with neural tube defects (NTDs) in offspring. In a case-control study we investigated C677T polymorphism in the 5,10- methylenetetrahydrofolate reductase (MTHFR) gene in case and control mothers of Pakistani origin, and compared these with the respective maternal folate concentrations measured at the time of delivery. METHODS AND STUDY DESIGN: A case-control study was conducted among 109 case and 100 control mothers identified through the Holy Family Hospital Rawalpindi, Quaid-i-Azam University, Islamabad, Pakistan. Red blood cell (RBC) and serum folate concentrations and MTHFRC677T polymorphism were compared between case and control mothers. RESULTS: Mean RBC folate and serum folate concentrations were significantly lower in cases compared with control mothers (p<0.0001). Maternal MTHFR 677CT and 677TT genotypes were more common among cases compared with control mothers (CC vs TT p<0.0393 and CC/CT vs TT p<0.021). T-allele frequency was higher in cases compared with control mothers (C vs T p<0.017). Case mothers with 677CT or 677TT genotypes had significantly lower serum (p<0.0001) and RBC folate concentrations (p<0.0001) compared with control mothers. CONCLUSIONS: The present study provides further evidence that maternal folate deficiency and MTHFRC677T polymorphism might be associated with an increased risk for NTDs in offspring. Our results are limited by the fact that maternal folate concentrations were not obtained during the periconceptional period, but at delivery. Further analyses, including maternal folate levels during the periconceptional period, are warranted. PMID- 29222907 TI - The ameliorative effect of fluoxetine on neuroinflammation induced by sleep deprivation. AB - It is well known that sleep disorders are harmful to people's health and performance, and growing evidence suggests that sleep deprivation (SD) can trigger neuroinflammation in the brain. The nucleotide-binding domain and leucine rich repeat protein-3 (NLRP3) inflammasome is reported to be relevant to the neuroinflammation induced by SD, but the regulatory signaling that governs the NLRP3 inflammasome in SD is still unknown. Meanwhile, whether the regulatory action of antidepressants in astrocytes could affect the neuroinflammation induced by SD also remains obscure. In this study, we were the first to discover that the antidepressant fluoxetine, a type of specific serotonin reuptake inhibitor widely used in clinical practice, could suppress the neuroinflammation and neuronal apoptosis induced by SD. The main findings from this study are as follows: (i) SD stimulated the expression of activated NLRP3 inflammasomes and the maturation of IL-1beta/18 via suppressing the phosphorylation of STAT3 in astrocytes; (ii) SD decreased the activation of AKT and stimulated the phosphorylation of GSK-3beta, which inhibited the phosphorylation of STAT3; (iii) the NLRP3 inflammasome expression stimulated by SD was partly mediated by the P2X7 receptor; (iv) an agonist of STAT3 could significantly abolish the expression of NLRP3 inflammasomes induced by an agonist of the P2X7 receptor in primary cultured astrocytes; (v) the administration of fluoxetine could reverse the stimulation of NLRP3 inflammasome expression and function by SD through elevating the activation of STAT3. In conclusion, our present research suggests the promising possibility that fluoxetine could ameliorate the neuronal impairment induced by SD. PMID- 29222908 TI - How effective are common household preparations on removing pesticide residues from fruit and vegetables? A review. AB - Nowadays, the use of pesticides is inevitable for pest control in crops, especially for fruit and vegetables. After the harvest from raw agricultural commodities, the amount of pesticide residues in food is mainly influenced by the storage, handling and processing that follow. If good agricultural and good manufacturing practices are enforced effectively, the amount of pesticide residues would be brought below the corresponding maximum residue level. Thus, the consumption of raw and/or prepared fruit and vegetables would be safe. Nonetheless, reports regarding pesticide residues in fruit or vegetables on mass media have been worrying consumers, who are concerned about the adverse effects of pesticide residues. As a result, consumers perform household processing before consumption to reduce any related risks. However, can these preparations effectively remove pesticide residues? Reviewing the extensive literature, it showed that, in most cases, washing and soaking can only lead to a certain degree of reduction in residue level, while other processing such as peeling, soaking in chemical baths and blanching can reduce pesticide residues more effectively. In general, the behaviour of residues during processing can be rationalised in terms of the physico-chemical properties of the pesticide and the nature of the process. In contrast, the reported studies are diversified and some areas still lack sufficient studies to draw any remarks. Recommendations are provided with respect to the available information that aims to formulate an environmental friendly, cost-effective and efficient household processing of fruit and vegetables to reduce pesticide residues. (c) 2017 Society of Chemical Industry. PMID- 29222910 TI - Associations Between MAOA-uVNTR Genotype, Maltreatment, MAOA Methylation, and Alcohol Consumption in Young Adult Males. AB - BACKGROUND: Epigenetic mechanisms are candidate moderators of the effect of maltreatment on brain and behavior. Interactions between maltreatment and the monoamine oxidase A upstream variable number tandem repeat genotype (MAOA-uVNTR) are associated with alcohol-related problems. However, presently it is not known whether DNA methylation moderates this association. The study focused on 53 young adult males and aimed to determine whether MAOA methylation moderated the association of alcohol-related problems with the interaction of MAOA-uVNTR and maltreatment, and whether alcohol consumption moderated the association of MAOA methylation with the interaction of MAOA-uVNTR and maltreatment. METHODS: MAOA uVNTR genotypes with <= 3 and > 3 repeats were categorized as short (S) and long (L), respectively. Data on maltreatment were obtained retrospectively, using self reported questionnaires. DNA methylation of 16 candidate CpGs within part of the MAOA first exon and intron was assessed and grouped based on principal component analyses. Alcohol-related problems were assessed using the Alcohol Use Disorders Identification Test (AUDIT). Alcohol consumption was measured using AUDIT-C. Moderation effects were assessed and probed using the moderated moderation model and Johnson-Neyman's method, respectively. RESULTS: Carriers of the S allele, who experienced maltreatment and displayed lower Component 1 (mean of CpGs 13-16 in the first intron) MAOA methylation levels, reported higher AUDIT score in contrast to L-allele carriers. Carriers of the S allele, who reported higher AUDIT-C score and experienced maltreatment, displayed lower Component 3 (mean of CpGs 2-6 in the first exon) MAOA methylation levels than L-allele carriers. CONCLUSIONS: Intronic methylation moderated the association of alcohol-related problems with the interaction of MAOA-uVNTR and maltreatment. Alcohol consumption moderated the association of exonic methylation with the interaction of MAOA uVNTR and maltreatment. These results suggest that epigenetic factors as well as genotype and maltreatment play a role in the development of alcohol misuse among young adult males. PMID- 29222909 TI - An emerging role of astrocytes in vascular contributions to cognitive impairment and dementia. AB - Vascular contributions to cognitive impairment and dementia (VCID) is understood to be the second most common cause of dementia after Alzheimer's disease, and is also a frequent comorbidity with Alzheimer's disease. While VCID is widely acknowledged as a key contributor to dementia, the mechanistic underpinnings of VCID remain poorly understood. In this review, we address the potential role of astrocytes in the pathophysiology of VCID. The vast majority of the blood vessels in the brain are surrounded by astrocytic end-feet. Given that astrocytes make up a significant proportion of the cells in the brain, and that astrocytes are usually passively connected to one another through gap junctions, we hypothesize that astrocytes are key mediators of cognitive impairment because of cerebrovascular disease. In this review, we discuss the existing body of literature regarding the role of astrocytes at the vasculature in the brain, and the known consequences of their dysfunction, as well as our hypotheses regarding the role astrocytes play in VCID. This article is part of the Special Issue "Vascular Dementia". PMID- 29222911 TI - Current and future therapeutic regimens for nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. AB - : Nonalcoholic fatty liver disease (NAFLD) and its progressive form non-alcoholic steatohepatitis (NASH), are rapidly becoming among the top causes of cirrhosis, hepatocellular carcinoma, and indications for liver transplantation. Other than lifestyle modification through diet and exercise, there are currently no other approved treatments for NASH/NAFLD. Although weight loss can be effective, it is difficult to achieve and sustain. In contrast, bariatric surgery can improve metabolic conditions associated with NAFLD, and has been shown to improve liver histology. To have approved regimens for the treatment of NASH/NAFLD, several issues must be addressed. First, all stakeholders must agree on the most appropriate clinical trial endpoints for NASH. Currently, resolution of NASH (without worsening fibrosis) or reduction of fibrosis stage (without worsening NASH) are the accepted endpoints by the regulatory authorities. It is important to recognize the prognostic implication of histologic features of NASH. In this context, although histologic NASH has been associated with advanced fibrosis, it is not an independent predictor of long-term mortality. In contrast, there are significant data to suggest that fibrosis stage is the only robust and independent predictor of liver-related mortality. In addition to the primary endpoints, several important secondary endpoints, including noninvasive biomarkers, long-term outcomes, and patient-reported outcomes must be considered. In 2018, a few phase 3 clinical trials for the treatment of NASH have been initiated. Additionally, a number of phase 2a and 2b clinical trials targeting different pathogenic pathways in NASH are in the pipeline of emerging therapies. CONCLUSION: Over the next 5 years, some of these regimens are expected to provide potential new treatment options for patients with NASH/NAFLD. (Hepatology 2018;68:361-371). PMID- 29222912 TI - Bringing the (disabled) body to personality psychology: A case study of Samantha. AB - OBJECTIVE: Personality psychology has largely ignored the experiences of people with disabilities. This article strives to bring the thriving, interdisciplinary field of disability studies to personality psychology via a case study of Samantha (N = 1). Samantha feels that she grew up as a hearing person who could not hear and is now a deaf person who can hear. METHOD: Narrative identity provides the theoretical, methodological, and analytical framework for the rich, qualitative examination of Samantha's life story, interwoven with approaches from disability studies and intersectionality theory. Two Life Story Interviews (McAdams, 2008), conducted 2 weeks prior to Samantha's cochlear implant surgery and again 7 weeks after the surgery, provide the foundation for this case study and are interpreted alongside additional self-report measures. Grounded theory methods were used to interpret Samantha's narrative identity. RESULTS: Samantha's story demonstrates the ways in which narrative identity can serve as a foundation for meaning and psychological well-being, as well as a demonstration of the ways in which the study of identity can be enriched by perspectives from disability studies. CONCLUSIONS: As an initial effort at integrating personality psychology and disability studies, this article sought to approach this task by privileging ethical representation over generalizability. PMID- 29222913 TI - Nonalcoholic fatty liver disease, metabolic syndrome, and the fight that will define clinical practice for a generation of hepatologists. PMID- 29222914 TI - Fibrolamellar carcinoma in the Carney complex: PRKAR1A loss instead of the classic DNAJB1-PRKACA fusion. AB - : Fibrolamellar carcinomas are characterized by activation of protein kinase A, a kinase composed of catalytic and regulatory subunits. PRKACA encodes a catalytic subunit of protein kinase A, and almost all fibrolamellar carcinomas have a heterozygous 400-kb deletion that leads to the fusion of DNAJB1 and PRKACA. The resulting DNAJB1-PRKACA fusion transcript is believed to activate protein kinase A by dysregulation of the catalytic portion of the protein. In contrast, PRKAR1A encodes one of the regulatory subunits of protein kinase A. We hypothesized that loss of function of this regulatory unit could also lead to protein kinase A activation and thus to fibrolamellar carcinoma. Because PRKAR1A mutations underlie the Carney complex, we searched for liver tumors in individuals with the Carney complex. We identified 3 individuals with fibrolamellar carcinomas and a personal history of the Carney complex. All three tumors displayed the typical morphology of fibrolamellar carcinoma and were positive for arginase, cytokeratin 7, and cluster of differentiation 68. Fluorescence in situ hybridization was negative for PRKACA rearrangements. However, PRKAR1A sequencing identified pathogenic mutations in two of two cases with successful sequencing. In addition, all three cases were negative for PRKAR1A protein expression, consistent with inactivation of this key regulatory unit of protein kinase A. We also identified one additional fibrolamellar carcinoma in an individual without a documented history of the Carney complex who was negative for PRKACA rearrangements but had loss of PRKAR1A protein expression as well as PRKAR1A mutations. CONCLUSION: Fibrolamellar carcinoma can be part of the Carney complex; in this setting, fibrolamellar carcinomas have inactivating PRKAR1A mutations instead of the DNAJB1-PRKACA fusion gene found in sporadic fibrolamellar carcinomas, providing an alternate means for activation of protein kinase A. (Hepatology 2017). PMID- 29222915 TI - Ectopic expansion of engineered human liver tissue seeds using mature cell populations. PMID- 29222917 TI - Diagnostic modalities for nonalcoholic fatty liver disease, nonalcoholic steatohepatitis, and associated fibrosis. AB - Nonalcoholic fatty liver disease (NAFLD) is a spectrum comprised of isolated steatosis, nonalcoholic steatohepatitis (NASH), advanced fibrosis, and cirrhosis. The majority of NAFLD subjects do not have NASH and do not carry a significant risk for liver-related adverse outcomes (cirrhosis and mortality). Globally, the prevalence of NAFLD is approximately 25%. In Asia, a gradient of high to low prevalence rates is noted from urban to rural areas. Given the prevalence of NAFLD, the clinical and economic burden of NAFLD and NASH can be substantial. With increasing recognition of NASH as an important liver disease, the diagnosis of NASH still requires a liver biopsy that is suboptimal. Although liver biopsy is the most accurate modality to diagnose and stage the severity of NASH, this method suffers from being invasive, costly, associated with potential complications, and plagued with interobserver variability of individual pathological features. A number of noninvasive modalities to diagnose NASH and stage liver fibrosis are being developed. These modalities include predictive models (NAFLD fibrosis score) and serum biomarkers such as enhanced liver fibrosis (ELF). Other tests are based on radiological techniques, such as transient elastography (TE) or magnetic resonance elastography (MRE), which are used to estimate liver stiffness as a potential surrogate of hepatic fibrosis. Although a dynamic field of research, most of these diagnostic modalities have area under the curve ranging between 0.76 and 0.90%, with MRE having the best predictive performance. In summary, developing safe and easily accessible noninvasive modalities to accurately diagnose and monitor NASH and associated fibrosis is of utmost importance in clinical practice and clinical research. These tests are not only important to risk stratify subjects at the greatest risk for progressive liver disease, but also to serve as appropriate surrogate endpoints for therapeutic clinical trials of NASH. (Hepatology 2018;68:349-360). PMID- 29222916 TI - Transplanting hepatitis C virus-positive livers into hepatitis C virus-negative patients with preemptive antiviral treatment: A modeling study. AB - : Under current guidelines, hepatitis C virus (HCV)-positive livers are not transplanted into HCV-negative recipients because of adverse posttransplant outcomes associated with allograft HCV infection. However, HCV can now be cured post-LT (liver transplant) using direct-acting antivirals (DAAs) with >90% success; therefore, HCV-negative patients on the LT waiting list may benefit from accepting HCV-positive organs with preemptive treatment. Our objective was to evaluate whether and in which HCV-negative patients the potential benefit of accepting an HCV-positive (i.e., viremic) organ outweighed the risks associated with HCV allograft infection. We developed a Markov-based mathematical model that simulated a virtual trial of HCV-negative patients on the LT waiting list to compare long-term outcomes in patients: (1) willing to accept any (HCV-negative or HCV-positive) liver versus (2) those willing to accept only HCV-negative livers. Patients receiving HCV-positive livers were treated preemptively with 12 weeks of DAA therapy and had a higher risk of graft failure than those receiving HCV-negative livers. The model incorporated data from published studies and the United Network for Organ Sharing (UNOS). We found that accepting any liver regardless of HCV status versus accepting only HCV-negative livers resulted in an increase in life expectancy when Model for End-Stage Liver Disease (MELD) was >=20, and the benefit was highest at MELD 28 (0.172 additional life-years). The magnitude of clinical benefit was greater in UNOS regions with higher HCV positive donor organ rates, that is, Regions 1, 2, 3, 10, and 11. Sensitivity analysis demonstrated that model outcomes were robust. CONCLUSION: Transplanting HCV-positive livers into HCV-negative patients with preemptive DAA therapy could improve patient survival on the LT waiting list. Our analysis can help inform clinical trials and minimize patient harm. (Hepatology 2018;67:2085-2095). PMID- 29222918 TI - Large-scale screening and characterisation of Lemna aequinoctialis and Spirodela polyrhiza strains for starch production. AB - Duckweed is considered a promising feedstock for bioethanol production due to its high biomass and starch production. Selection of duckweed strains with high starch accumulation is essential for application of duckweeds to bioethanol production. Geographic differentiation had a large influence on genetic diversity of duckweeds. Biomass production, starch content and starch amount in geographically isolated strains of 20 Lemna aequinoctialis and Spirodela polyrhiza were calculated to evaluate their potential for bioethanol production. The influence of different collection time, culture medium and NaCl concentration on starch accumulation of the best strains were analysed. The results showed that biomass production, starch content and starch production of duckweeds demonstrated clonal dependency. The best strain was L. aequinoctialis 6000, with biomass production of 15.38 +/- 1.47 g m-2 , starch content of 28.68 +/- 1.10% and starch production of 4.39 +/- 0.25 g m-2 . Furthermore, starch content of L. aequinoctialis 6000 was highest after 8 h of light, tap water was the best medium for starch induction, and NaCl did not induce starch accumulation. This study suggests duckweed biomass production and starch production demonstrate clonal dependency, indicating that extensive clonal comparisons will be required to identify the most suitable isolates for duckweed selective breeding for bioethanol. PMID- 29222919 TI - Pyroptosis, A novel player for alcoholic hepatitis? PMID- 29222920 TI - Starch-metal complexes and metal compounds. AB - Recently, metal derivatives of starch evoked considerable interest. Such metal derivatives can take a form of starch compounds bearing metal atoms and metal carrying moieties either covalently bound or complexed. Starch metal complexes may have a character of either Werner, inclusion, sorption or capillary complexes. In this publication, preparation, structure, properties and numerous current and potential applications of those compounds as well as benefits resulting from the application and formation of the complexes are presented. (c) 2017 Society of Chemical Industry. PMID- 29222921 TI - Optimizing RNA-seq studies to investigate herbicide resistance. AB - Transcriptomic profiling, specifically via RNA sequencing (RNA-seq), is becoming one of the more commonly used methods for investigating non-target site resistance (NTSR) to herbicides due to its high throughput capabilities and utility in organisms with little to no previous sequence information. A review of the weed science RNA-seq literature revealed some basic principles behind generating quality data from these types of studies. First, studies that included more replicates per biotype and took steps to control for genetic background had significantly better control of false positives and, consequently, shorter lists of potential resistance genes to sift through. Pooling of biological replicates prior to sequencing was successful in some cases, but likely contributed to an overall increase in the false discovery rate. Although the inclusion of herbicide treated samples was common across most of the studies, it ultimately introduced difficulties in interpretation of the final results due to challenges in capturing the right sampling window after treatment and to the induction of stress responses in the injured herbicide-sensitive plants. RNA-seq is an effective tool for NTSR gene discovery, but careful consideration should be given to finding the most powerful and cost-effective balance between replicate number, sequencing depth and treatment number. (c) 2017 Society of Chemical Industry. PMID- 29222922 TI - Survival of children after liver transplantation for hepatocellular carcinoma. AB - Hepatocellular carcinoma (HCC) in childhood differs from adult HCC because it is often associated with inherited liver disease. It is, however, unclear whether liver transplantation (LT) for HCC in childhood with or without associated inherited disease has a comparable outcome to adult HCC. On the basis of data from the European Liver Transplant Registry (ELTR), we aimed to investigate if there are differences in patient and graft survival after LT for HCC between children and adults and between patients with underlying inherited versus noninherited liver disease, respectively. We included all 175 children who underwent LT for HCC and were enrolled in ELTR between 1985 and 2012. Of these, 38 had an associated inherited liver disease. Adult HCC patients with (n = 79) and without (n = 316, matched by age, sex, and LT date) inherited liver disease served as an adult comparison population. We used multivariable piecewise Cox regression models with shared frailty terms (for LT center) to compare patient and graft survival between the different HCC groups. Survival analyses demonstrated a superior longterm survival of children with inherited liver disease when compared with children with HCC without inherited liver disease (hazard ratio [HR], 0.29; 95% CI, 0.10-0.90; P = 0.03) and adults with HCC with inherited liver disease (HR, 0.27; 95% CI, 0.06-1.25; P = 0.09). There was no survival difference between adults with and without inherited disease (HR, 1.05; 95% CI, 0.66-1.66; P = 0.84). In conclusion, the potential survival advantage of children with an HCC based on inherited disease should be acknowledged when considering transplantation and prioritization for these patients. Further prospective studies accounting for tumor size and extension at LT are necessary to fully interpret our findings. Liver Transplantation 24 246-255 2018 AASLD. PMID- 29222923 TI - Co-Administration of Low-Dose Naltrexone and Bupropion Reduces Alcohol Drinking in Alcohol-Preferring (P) Rats. AB - BACKGROUND: This study examined whether combining naltrexone (NTX) with bupropion (BUP) is more effective in reducing alcohol drinking in alcohol-preferring (P) rats with a genetic predisposition toward high voluntary alcohol intake than either drug alone. METHODS: Alcohol-experienced, adult, male, P rats were fed NTX alone in a dose of 10.0 mg/kg BW, BUP alone in a dose of 10.0 mg/kg BW, BUP alone in a dose of 20.0 mg/kg BW, NTX (10.0 mg/kg BW) + BUP (10.0 mg/kg BW), or vehicle (VEH) at 1 hour prior to onset of a daily 2-hour alcohol access period for 5 consecutive days. RESULTS: When administered alone, neither NTX (10.0 mg/kg BW) nor BUP, in either of 2 doses (10.0 mg/kg BW or 20.0 mg/kg BW), reduced voluntary alcohol intake in P rats. However, NTX combined with BUP (10.0 mg/kg NTX + 10.0 mg/kg BUP) and given as a single medication significantly reduced alcohol consumption throughout prolonged treatment. CONCLUSIONS: Combining low doses of NTX and BUP, each of which is ineffective when given alone, increases the efficacy of the medication. Low drug doses circumvent the problem of negative side effects that can occur with higher doses of either drug. A reduction in side effects can facilitate patient compliance and improve clinical outcomes for alcoholics and heavy drinkers who want to reduce their alcohol intake. The results, together with those from our prior studies, demonstrate the strength of a combinatorial pharmacotherapeutic approach to the treatment of alcohol use disorder. PMID- 29222924 TI - Evolving role of obeticholic acid in primary biliary cholangitis. PMID- 29222925 TI - Quantification of photonic localization properties of targeted nuclear mass density variations: Application in cancer-stage detection. AB - Light localization is a phenomenon which arises due to the interference effects of light waves inside a disordered optical medium. Quantification of degree light localization in optical media is widely used for characterizing degree of structural disorder in that media. Recently, this light localization approach was extended to analyze structural changes in biological cell like heterogeneous optical media, with potential application in cancer diagnostics. Confocal fluorescence microscopy was used to construct "optical lattices," which represents 2-dimensional refractive index map corresponding to the spatial mass density distribution of a selected molecule inside the cell. The structural disorder properties of the selected molecules were evaluated numerically using light localization strength in these optical lattices, in a single parameter called "disorder strength." The method showed a promising potential in differentiating cancerous and non-cancerous cells. In this paper, we show that by quantifying submicron scale disorder strength in the nuclear DNA mass density distribution, a wide range of control and cancerous breast and prostate cells at different hierarchy levels of tumorigenicity were correctly distinguished. We also discuss how this photonic technique can be used in examining tumorigenicity level in unknown prostate cancer cells, and potential to generalize the method to other cancer cells. PMID- 29222926 TI - Depressive personality vulnerability in chronic physical pain: Centrality of sociotropy. AB - OBJECTIVE: Chronic physical pain is one of modern medicine's principal challenges. Recently, there has been a keen research interest in the role of depressive personality vulnerability (DPV) in the course of chronic pain. This is the first attempt to examine the role of three leading DPV dimensions-sociotropy, autonomy, and self-criticism-in chronic pain. METHOD: Chronic pain patients (N = 428) were assessed four times as to their pain, disability, anxious depression, and pain-based catastrophizing. At Time 1, sociotropy, autonomy, and self criticism were also assessed. The effects of sociotropy, autonomy, and self criticism on pain, disability, anxious depression, and pain-based catastrophizing were examined using structural equation modeling analyses. RESULTS: All DPV dimensions uniquely predicted Time 1, but not Time 2, anxious depression. Sociotropy predicted Time 1 pain and catastrophizing over and above anxious depression, as well as an increase in catastrophizing over time. Autonomy predicted a decrease in catastrophizing and disability, and Time 1 anxious depression predicted an increase in self-criticism. CONCLUSIONS: Sociotropy appears to be a unique dimension of DPV in chronic pain. PMID- 29222928 TI - The role of the kidney in combined liver-kidney transplantation. PMID- 29222927 TI - Diaheliotropic leaf movement enhances leaf photosynthetic capacity and photosynthetic light and nitrogen use efficiency via optimising nitrogen partitioning among photosynthetic components in cotton (Gossypium hirsutum L.). AB - Phototropic leaf movement of plants is an effective mechanism for adapting to light conditions. Light is the major driver of plant photosynthesis. Leaf N is also an important limiting factor on leaf photosynthetic potential. Cotton (Gossypium hirsutum L.) exhibits diaheliotropic leaf movement. Here, we compared the long-term photosynthetic acclimation of fixed leaves (restrained) and free leaves (allowed free movement) in cotton. The fixed leaves and free leaves were used for determination of PAR, leaf chlorophyll concentration, leaf N content and leaf gas exchange. The measurements were conducted under clear sky conditions at 0, 7, 15 and 30 days after treatment (DAT). The results showed that leaf N allocation and partitioning among different components of the photosynthetic apparatus were significantly affected by diaheliotropic leaf movement. Diaheliotropic leaf movement significantly increased light interception per unit leaf area, which in turn affected leaf mass per area (LMA), leaf N content (NA ) and leaf N allocation to photosynthesis (NP ). In addition, cotton leaves optimised leaf N allocation to the photosynthetic apparatus by adjusting leaf mass per area and NA in response to optimal light interception. In the presence of diaheliotropic leaf movement, cotton leaves optimised their structural tissue and photosynthetic characteristics, such as LMA, NA and leaf N allocation to photosynthesis, so that leaf photosynthetic capacity was maximised to improve the photosynthetic use efficiency of light and N under high light conditions. PMID- 29222929 TI - HIV+ deceased donor referrals: A national survey of organ procurement organizations. AB - BACKGROUND: HIV-infected (HIV+) donor organs can be transplanted into HIV+ recipients under the HIV Organ Policy Equity (HOPE) Act. Quantifying HIV+ donor referrals received by organ procurement organizations (OPOs) is critical for HOPE Act implementation. METHODS: We surveyed the 58 USA OPOs regarding HIV+ referral records and newly discovered HIV+ donors. Using data from OPOs that provided exact records and CDC HIV prevalence data, we projected a national estimate of HIV+ referrals. RESULTS: Fifty-five (95%) OPOs reported HIV+ referrals ranging from 0 to 276 and newly discovered HIV+ cases ranging from 0 to 10 annually. Six OPOs in areas of high HIV prevalence reported more than 100 HIV+ donor referrals. Twenty-seven (47%) OPOs provided exact HIV+ referral records and 28 (51%) OPOs provided exact records of discovered HIV+ cases, totaling 1450 HIV+ referrals and 39 discovered HIV+ donors in the prior year. These OPOs represented 67% and 59% of prevalent HIV cases in the USA; thus, we estimated 2164 HIV+ referrals and 66 discovered HIV+ cases nationally per year. CONCLUSIONS: OPOs reported a high volume of HIV+ referrals annually, of which a subset will be medically eligible for donation. Particularly in areas of high HIV prevalence, OPOs require ongoing support to implement the HOPE Act. PMID- 29222930 TI - Regression of HCV cirrhosis: Time will tell. PMID- 29222931 TI - The challenge of herbicide resistance around the world: a current summary. AB - Herbicide-resistant weeds have been observed since the early years of synthetic herbicide development in the 1950s and 1960s. Since that time there has been a consistent increase in the number of cases of herbicide resistance and the impact of herbicide-resistant weeds. Although the nature of crop production varies widely around the world, herbicides have become a primary tool for weed control in most areas. Dependence on herbicides continues to increase as global populations migrate away from rural areas to cities and the agricultural labor force declines. This increased use of herbicides and the concurrent selection pressure have resulted in a rise in cases of multiple resistance, leaving some farmers with few or no herbicide options for certain weed infestations. Global population and economic forces drive many farmer choices regarding crop production and weed control. The challenge is how to insert best management practices into the decision-making process while addressing various economic and regulatory needs. This review endeavors to provide a current overview of herbicide resistance challenges in the major crop production areas of the world and discusses some research initiatives designed to address portions of the problem. (c) 2017 Society of Chemical Industry. PMID- 29222932 TI - A-Fibers Mediate Cold Hyperalgesia in Patients with Oxaliplatin-Induced Neuropathy. AB - Cold hyperalgesia is a common side effect of oxaliplatin treatment; still, the pathophysiological and molecular mechanisms as well as the contribution of different primary afferent fiber systems are unclear. Therefore, patients with oxaliplatin-induced acute neuropathy with (n = 6) and without (n = 7) cold hyperalgesia were tested by applying a preferential blockade of peripheral myelinated A-fiber afferents in combination with quantitative sensory testing. Additionally, an interview-based questionnaire assessed the severity of symptoms and the impact on daily activities. Results indicate a deficit of cold perception in patients without cold hyperalgesia compared to patients with cold hyperalgesia prior to A-fiber blockade. In patients with cold hyperalgesia, a preferential blockade of A-fibers abolished cold hyperalgesia. This suggests that oxaliplatin induced cold hyperalgesia is mediated by A-fibers and that a deficit in A-fiber function might prevent the development of cold hyperalgesia. The work supports findings in rodents and in human sural nerve biopsies indicating that oxaliplatin interferes with axonal ion conductance in intact A-fibers by sensitizing potassium and/or sodium channels. Drugs that act on these molecular targets might be of potential value to treat oxaliplatin-induced cold hyperalgesia. PMID- 29222933 TI - Benefits of emotional integration and costs of emotional distancing. AB - OBJECTIVE: Three studies explored the consequences of the self-determination theory conception of integrative emotion regulation (IER; Ryan & Deci, 2017), which involves an interested stance toward emotions. Emotional, physiological, and cognitive consequences of IER were compared to the consequences of emotional distancing (ED), in relation to a fear-eliciting film. METHOD: In Study 1, we manipulated emotion regulation by prompting students' (N = 90) IER and ED and also included a control group. Then we tested groups' defensive versus nondefensive emotional processing, coded from post-film written texts. Study 2 (N = 90) and Study 3 (N = 135) used the same emotion regulation manipulations but exposed participants to the fear-eliciting film twice, 72 hr apart, to examine each style's protection from adverse emotional, physiological, and cognitive costs at second exposure. RESULTS: Participants who had been prompted to practice IER were expected to benefit more than participants in the ED and control groups at second exposure, as manifested in lower arousal and better cognitive capacity. Overall, results supported our hypotheses. CONCLUSIONS: The current studies provide some support for the assumption that in comparison to ED, taking interest in and accepting one's negative emotions are linked with less defensive processing of negative experiences and with better functioning. PMID- 29222934 TI - Design of a secure remote management module for a software-operated medical device. AB - Software-based medical devices need to be maintained throughout their entire life cycle. The efficiency of after-sales maintenance can be improved by managing medical systems remotely. This paper presents how to design the remote access function extensions in order to prevent risks imposed by uncontrolled remote access. A thorough analysis of standards and legislation requirements regarding safe operation and risk management of medical devices is presented. Based on the formal requirements, a multi-layer machine design solution is proposed that eliminates remote connectivity risks by strict separation of regular device functionalities from remote management service, deploys encrypted communication links and uses digital signatures to prevent mishandling of software images. The proposed system may also be used as an efficient version update of the existing medical device designs. PMID- 29222935 TI - Risk factors for positive resection margins of breast cancer tumorectomy specimen following breast-conserving surgery. AB - Background The aim of the study was to identify risk factors for positive surgical margins in breast-conserving surgery for breast cancer and to evaluate the influence of surgical experience in obtaining complete resection. Methods All lumpectomies for invasive breast carcinoma and ductal carcinoma in situ (DCIS) between April 2008 and March 2010 were selected from the database of a single institution. Re-excision rates for positive margins as well as patient and histopathologic tumor characteristics were analyzed. Surgical experience was staged by pairs made of Resident plus Specialist or Consultant. Two periods were defined. During period A, the majority of operations were performed by Residents under supervision of Specialist or Consultant. During period B, only palpable tumors were operated by Residents. Results The global re-excision rate was 27% (50 of 183 patients). The presence of DCIS increased the risk for positive margins: 60% (nine of 15 patients) in the case of sole DCIS compared to 26% (41 of 160 patients) for invasive cancer (p = 0.005) and 35% (42 of 120 patients) in the case of peritumoral DCIS compared to 11% (seven of 62 patients) in the case of sole invasive cancer (p = 0.001). Re-excision rate decreased from 36% (23 of 64 patients) during period A to 23% (27 of 119 patients) during period B (p = 0.055). There was no significant difference between the surgical pairs. Conclusion In our study, DCIS was the only risk factor for positive surgical margins. Breast-conserving surgery for non-palpable tumors should be performed by Specialists, however, palpable tumors can be safely operated by Residents under supervision. PMID- 29222936 TI - Role of central oxytocin and dopamine systems in nociception and their possible interactions: suggested hypotheses. AB - Central oxytocin and dopamine have an important role in the process of nociception at the spinal level as well as supraspinal structures, e.g. anterior cingulate cortex, insular cortex, amygdala, nucleus accumbens, and hypothalamus. Many studies have pointed out the importance of both systems in the pain descending modulatory system and in pain-related symptoms in some chronic disorders, e.g. Parkinson disease and fibromyalgia. The interaction between oxytocin and dopamine systems has been addressed in some motivational behaviors, e.g. maternal and sexual behaviors, pair bonding, and salience. In this aspect, we propose that an oxytocin-dopamine interaction could be present in nociception, and we also explain the possible hypotheses of such an interaction between these systems. PMID- 29222937 TI - Preoperative T1 Slope as a Predictor of Change in Cervical Alignment and Range of Motion After Cervical Disc Arthroplasty. AB - BACKGROUND This study analyzed the effect of preoperative T1 slope on cervical alignment and range of motion (ROM) after cervical disc arthroplasty (CDA) in patients with cervical degenerative disease. MATERIAL AND METHODS This retrospective study included 32 patients with single-level symptomatic cervical disc disease who underwent CDA with the Mobi-C cervical disc prosthesis and had a mean follow-up of 26.8+/-6.4 months. Standing lateral, flexion, and extension X rays of the cervical spine were obtained preoperatively and postoperatively at 24 month follow-up. Simple linear regression analysis was used to assess the impact of preoperative T1 slope on changes from preoperative values in radiologic parameters. RESULTS Compared to preoperative values, at 24-month follow-up, there was a significant increase in mean functional spinal unit (FSU) angle (+7.4 degrees ), upper adjacent segment (UAS) angle (+3.1 degrees ), and overall cervical alignment (C2-C7 angle) (+6.3 degrees ), and a significant decrease in mean lower adjacent segment (LAS) angle (-2.4 degrees ). Mean ROM of the FSU ( 3.6 degrees ), LAS (-3.0 degrees ), and overall cervical spine (-11.5 degrees ) significantly decreased, and mean ROM of the UAS (+1.6 degrees ) significantly increased. There were significant correlations between preoperative T1 slope and mean change from preoperative value in FSU angle, C2-C7 angle, and ROM of the overall cervical spine (C2-C7). CONCLUSIONS T1 slope is useful for evaluating changes in the FSU angle, C2-C7 angle, and ROM of the overall cervical spine following CDA with the Mobi-C disc. Patients with a large preoperative T1 slope may be good candidates for CDA with the Mobi-C prosthesis due its motion maintenance and the fact that it has little adverse impact on sagittal alignment. It also could be a good option in terms of sagittal alignment improvement or motion maintenance for patients with kyphosis. PMID- 29222939 TI - Which outcomes are reported in cellulitis trials? Results of a review of outcomes included in cellulitis trials and a patient priority setting survey. AB - BACKGROUND: There is an emerging need to develop consistent outcomes in clinical trials to allow effective comparison of treatment effects. No systematic review has previously looked at the reporting of outcome measures used in randomized controlled trials (RCTs) on the treatment and prevention of cellulitis (erysipelas). OBJECTIVES: The primary aim of this review was to describe the breadth of outcomes reported from RCTs on cellulitis treatment and prevention. The secondary aim was to identify outcome themes from patients' and healthcare professionals' feedback from a cellulitis Priority Setting Partnership (PSP). METHODS: We conducted a review of all outcome measures used in RCTs from two recent Cochrane reviews. Free-text responses from a cellulitis priority setting survey were used to understand the perspectives of patients and healthcare professionals. RESULTS: Outcomes from 42 RCTs on treatment of cellulitis and six RCTs on prevention of cellulitis were reviewed. Only 28 trials stated their primary outcome. For trials assessing treatment of cellulitis, clinical response to treatment was categorized in 25 different ways. Five of these trials used an outcome that was in accordance with FDA guidance and only four trials incorporated either quality of life or patient satisfaction. For trials assessing prevention of cellulitis, recurrence was the key outcome measure. From the cellulitis PSP, prevention of recurrence, clinical features and long-term disease impact were the most important outcome themes for patients. CONCLUSIONS: We have shown that in cellulitis treatment and prevention research, there is significant heterogeneity in clinical outcomes, inadequate focus on patient-reported outcomes, and a disparity between what is currently measured and what patients and healthcare professionals feel is important. We recommend that future cellulitis treatment trials consider the use of longer-term outcomes to capture recurrence and long-term morbidity, as well as short-term resolution of acute infection. PMID- 29222938 TI - Role of angiogenic factors in the pathogenesis and management of pre-eclampsia. AB - The cause of pre-eclampsia is unknown. Different postulates have been developed to explain its pathogenesis. The two-stage theory and angiogenic imbalance are two notable postulates of the disease. Together, they propose that there is a lack of cytotrophoblastic invasion of the uterine spiral arteries in pre eclampsia. The lumen of these arteries remains narrow instead of converting to the wide channels seen in normal pregnancy, and result in poor placental perfusion. Coupled with maternal susceptibility, this process leads to the release of mediators, including an excess of anti-angiogenic factors that result in the clinical manifestations of the disease. Circulating levels of anti angiogenic factors such as soluble fms-like tyrosine kinase-1 increase, whereas pro-angiogenic factors such as placental growth factor decrease. Assessment of the circulating concentrations of these angiogenic factors, such as the soluble fms-like tyrosine kinase-1/placental growth factor ratio, has diverse clinical relevance in pre-eclampsia. The present review describes the role of angiogenic factors in the pathogenesis and management of pre-eclampsia. PMID- 29222940 TI - An open conformation of ADAMTS-13 is a hallmark of acute acquired thrombotic thrombocytopenic purpura. AB - : Essentials Conformational changes in ADAMTS-13 are part of its mode-of-action. The murine anti-ADAMTS-13 antibody 1C4 discriminates between folded and open ADAMTS-13. ADAMTS-13 conformation is open in acute acquired thrombotic thrombocytopenic purpura (TTP). Our study forms an important basis to fully elucidate the pathophysiology of TTP. SUMMARY: Background Acquired thrombotic thrombocytopenic purpura (aTTP) is an autoimmune disorder characterized by absent ADAMTS-13 activity and the presence of anti-ADAMTS-13 autoantibodies. Recently, it was shown that ADAMTS-13 adopts a folded or an open conformation. Objectives As conformational changes in self-antigens play a role in the pathophysiology of different autoimmune diseases, we hypothesized that the conformation of ADAMTS-13 changes during acute aTTP. Methods Antibodies recognizing cryptic epitopes in the spacer domain were generated. Next, the conformation of ADAMTS-13 in 40 healthy donors (HDs), 99 aTTP patients (63 in the acute phase versus 36 in remission), 12 hemolytic-uremic syndrome (HUS) patients and 63 sepsis patients was determined with ELISA. Results The antibody 1C4 recognizes a cryptic epitope in ADAMTS-13. Therefore, we were able to discriminate between a folded and an open ADAMTS-13 conformation. We showed that ADAMTS-13 in HDs does not bind to 1C4, indicating that ADAMTS-13 circulates in a folded conformation. Similar results were obtained for HUS and sepsis patients. In contrast, ADAMTS-13 of acute aTTP patients bound to 1C4 in 92% of the cases, whereas, in most cases, this binding was abolished during remission, showing that the conformation of ADAMTS-13 is open during an acute aTTP episode. Conclusions Our study shows that, besides absent ADAMTS-13 activity and the presence of anti-ADAMTS-13 autoantibodies, an open ADAMTS-13 conformation is also a hallmark of acute aTTP. Demonstrating this altered ADAMTS 13 conformation in acute aTTP will help to further unravel the pathophysiology of aTTP and lead to improved therapy and diagnosis. PMID- 29222941 TI - Characterization of the spoilage potential of pure and mixed cultures of bacterial species isolated from tropical yellowfin tuna (Thunnus albacares). AB - AIM: The spoilage potential of 28 bacterial strains isolated from spoiled raw yellowfin tuna was evaluated. METHODS AND RESULTS: Bacterial species were inoculated in irradiated tuna matrix. Chemical changes, bacterial growth and sensory quality were monitored during aerobic storage at 8 degrees C. Pseudomonas spp., Enterobacter spp. and Escherichia hermanii had no spoiling effect. Brochothrix thermosphacta and Carnobacterium divergens/maltaromaticum developed moderate unpleasant odours. Hafnia paralvei and Serratia spp. released strong off odours (pyrrolidine, sulphur/cabbage). No bacterial group (except H. paralvei) combined with Pseudomonas spp. deteriorated the sensory quality of tuna. When C. divergens/maltaromaticum was associated with H. paralvei or B. thermosphacta, the odour is close to the naturally contaminated tuna stored on the same conditions. The pH, total volatile basic nitrogen (TVBN) and trimethylamine (TMA) were not correlated with the spoilage. CONCLUSIONS: The bacterial species had a different impact on the sensory quality of the fish. The bacterial interactions lead to an enhancement or an inhibition of the spoilage potential and the bacterial growth. SIGNIFICANCE AND IMPACT OF STUDY: The specific spoilage organism (SSO) appears to be an association of lactic acid bacteria (LAB) with Enterobacteriaceae or B. thermosphacta. Pseudomonas, often dominant at the sensory rejection time, is not a good quality indicator. PMID- 29222943 TI - Ascariasis seen by videocapsule endoscopy. PMID- 29222942 TI - Microbial communities in natural rubber coagula during maturation: impacts on technological properties of dry natural rubber. AB - AIM: To characterize microbial communities present in natural rubber (NR) coagula from Hevea brasiliensis latex during maturation and identify microbial taxa (bacteria and fungi) having an impact on dry NR properties. METHODS AND RESULTS: Microbial community dynamics in NR coagula maturated under controlled conditions were compared and related with the evolution of dry NR properties. The pyrosequencing of 16S (119 837 effective reads) and 18S (131 879 effective reads) rRNA gene regions was performed on 21 samples covering different maturation times and two aeration conditions. Results showed a relatively high bacterial richness (Chao1 estimates of 200-1000) associated with significant bacterial dynamics. Lactic acid bacteria (LAB) were dominant in the first days of maturation. Then, in aerobic conditions, development of Actinobacteria represented by the family Microbacteriaceae was associated with alkalinization of the samples and a higher sensitivity of NR to thermo-oxidation as evaluated by its plasticity retention index (PRI). In anaerobiosis, the reduced development of bacteria, mostly LAB present, was associated with improved NR properties (higher initial plasticity P0 and PRI). CONCLUSIONS: The involvement of micro-organisms in the evolution of dry NR properties during the maturation of NR coagula was confirmed. The importance of the structure and dynamics of microbial communities is specifically highlighted. SIGNIFICANCE AND IMPACT OF THE STUDY: Natural rubber is a key elastomer for the tyre industry and for a variety of other applications. The majority of raw NR is obtained by natural coagulation of H. brasiliensis latex under the activity of micro-organisms. An improved understanding of the microbial communities involved in the maturation of NR coagula may lead to an improvement in the production process of raw NR to provide a better consistency in NR quality. PMID- 29222944 TI - Cerebral microbleeds: a magnetic resonance imaging review of common and less common causes. AB - Cerebral microbleeds (CMBs) are small foci of (acute, subacute or chronic) blood products, best seen using magnetic resonance imaging (MRI) techniques sensitive to iron deposits (i.e. gradient-echo T2*-weighted and susceptibility-weighted imaging), frequently encountered in small vessel disease (SVD) (with hypertensive vasculopathy and cerebral amyloid angiopathy as the most frequent conditions) and also in other disorders. In this review, the MRI characteristics of CMBs and the associated MRI abnormalities encountered in common and less common SVD and non SVD conditions are the main focus. Identification of the origin of CMBs depends on their localization, the presence of other associated MRI abnormalities, and the patient's history and clinical state. PMID- 29222945 TI - Children with atopic dermatitis may have unacknowledged contact allergies contributing to their skin symptoms. AB - BACKGROUND: Whether children with atopic dermatitis have an altered risk of contact allergy than children without atopic dermatitis is frequently debated and studies have been conflicting. Theoretically, the impaired skin barrier in atopic dermatitis (AD) facilitates the penetration of potential allergens and several authors have highlighted the risk of underestimating and overlooking contact allergy in children with atopic dermatitis. OBJECTIVE: To determine the prevalence of contact allergy in Danish children with atopic dermatitis and explore the problem of unacknowledged allergies maintaining or aggravating the skin symptoms. METHODS: In a cross-sectional study, 100 children and adolescents aged 5-17 years with a diagnosis of atopic dermatitis were patch tested with a paediatric series of 31 allergens. RESULTS: Thirty per cent of the children had at least one positive patch test reaction, and 17% had at least one contact allergy that was relevant to the current skin symptoms. The risk of contact allergy was significantly correlated to the severity of atopic dermatitis. Metals and components of topical skincare products were the most frequent sensitizers. CONCLUSION: Patch testing is relevant as a screening tool in the management of children with atopic dermatitis as they may have unacknowledged contact allergies contributing to or maintaining their skin symptoms. Children with atopic dermatitis seem to be at greater risk of sensitization to certain allergens including metals and components of skincare products. PMID- 29222946 TI - Triheptanoin protects against status epilepticus-induced hippocampal mitochondrial dysfunctions, oxidative stress and neuronal degeneration. AB - Triheptanoin, the triglyceride of heptanoate, is anaplerotic (refills deficient tricarboxylic acid cycle intermediates) via the propionyl-CoA carboxylase pathway. It has been shown to be neuroprotective and anticonvulsant in several models of neurological disorders. Here, we investigated the effects of triheptanoin against changes of hippocampal mitochondrial functions, oxidative stress and cell death induced by pilocarpine-induced status epilepticus (SE) in mice. Ten days of triheptanoin pre-treatment did not protect against SE, but it preserved hippocampal mitochondrial functions including state 2, state 3 ADP, state 3 uncoupled respiration, respiration linked to ATP synthesis along with the activities of pyruvate dehydrogenase complex and oxoglutarate dehydrogenase complex 24 h post-SE. Triheptanoin prevented the SE-induced reductions of hippocampal mitochondrial superoxide dismutase activity and plasma antioxidant status as well as lipid peroxidation. It also reduced neuronal degeneration in hippocampal CA1 and CA3 regions 3 days after SE. In addition, heptanoate significantly reduced hydrogen peroxide-induced cell death in cultured neurons. In situ hybridization localized the enzymes of the propionyl-CoA carboxylase pathway, specifically Pccalpha, Pccbeta and methylmalonyl-CoA mutase to adult mouse hippocampal pyramidal neurons and dentate granule cells, indicating that anaplerosis may occur in neurons. In conclusion, triheptanoin appears to have anaplerotic and antioxidant effects which contribute to its neuroprotective properties. PMID- 29222947 TI - Safety and efficacy of guselkumab in Japanese patients with moderate-to-severe plaque psoriasis: a randomized, placebo-controlled, ascending-dose study. AB - BACKGROUND: The interleukin (IL)-23/IL-17 pathway is central in the pathogenesis of psoriasis. The favourable efficacy and safety of guselkumab, an IL-23-specific monoclonal antibody, has been demonstrated in global phase III studies of plaque psoriasis. OBJECTIVES: To evaluate the safety, efficacy and pharmacokinetics of single-dose subcutaneous guselkumab in Japanese patients with moderate-to-severe plaque psoriasis. METHODS: Patients with >= 10% of total body surface area involvement and a Psoriasis Area and Severity Index (PASI) >= 12 were randomized (5 : 1) to receive guselkumab or placebo in four cohorts of this double-blind, placebo-controlled, single ascending-dose, single-centre study. Safety, pharmacokinetics and clinical response were monitored at baseline and specific time points over a 24-week follow-up period. RESULTS: To week 24, 55% (11/20) of patients in the guselkumab group and 50% (2/4) in the placebo group experienced >=1 adverse event (AE). No deaths, serious AEs or AEs leading to treatment discontinuation were reported. Maximum clinical response was seen at week 16 with PASI 75 (>= 75% improvement from baseline PASI) response in two of five (10 mg), four of five (30 mg and 300 mg) and three of five (100 mg) patients; and PASI 90 (>= 90% improvement from baseline PASI) in zero of five (10 mg), three of five (30 mg), two of five (100 mg) and three of five (300 mg) patients. Mean maximum serum concentration (Cmax ) and area under the curve from time zero to infinity values increased in a dose-proportional manner with a mean terminal half-life of 15.6-17.6 days and median time to reach Cmax of 4-6 days. CONCLUSIONS: Guselkumab was generally well-tolerated and exhibited sustained high levels of clinical response in Japanese patients with moderate-to-severe psoriasis. PMID- 29222948 TI - Force coordination strategies in on-water single sculling: Are asymmetries related to better rowing performance? AB - Asymmetries of the rowing stroke cycle have been assessed with reference to kinematics and foot-force measures in laboratory testing environments. It remains unclear how asymmetries in propulsive kinetic measures are related to on-water rowing performance. A new approach for the evaluation of both global and local asymmetries across the entire movement was used to assess the continuous role of asymmetries and whether these change according to the level of competitive representation. Twenty-seven highly skilled female rowers (national and international competition level), rowing at 32 strokes per minute in a single scull boat, were evaluated. A symmetry index (SI) and functional data analysis (FDA) techniques were applied to a continuous difference time-series, which described fluctuating asymmetry in propulsive pin forces for each rower. Univariate ANOVAs revealed that differences in asymmetries were present as a factor of competition level for the SI and results of FDA. International athletes were more likely to utilize an asymmetry strategy with increased stroke-side (port-side) force early in the drive phase and increased bow-side (starboard) force through the second half of the drive. This was likely the result of international performers customizing their movement strategies relative to known boat mechanical offsets. The first half of the drive phase was also found to be an adaptive part of the rowing stroke cycle, suggesting asymmetries may have a functional role in successful execution of movements during the rowing stroke. PMID- 29222949 TI - A switch from GABA inhibition to excitation of vasopressin neurons exacerbates the development angiotensin II-dependent hypertension. AB - Hypothalamic magnocellular neurons secrete vasopressin into the systemic circulation to maintain blood pressure by increasing renal water reabsorption and by vasoconstriction. When blood pressure rises, baroreflex activation normally inhibits vasopressin neurons via activation of GABAergic inputs. However, plasma vasopressin levels are paradoxically elevated in several models of hypertension and in some patients with essential hypertension, despite increased blood pressure. We have previously shown that vasopressin neuron activity is increased early in the development of moderate angiotensin II-dependent hypertension via blunted baroreflex inhibition of vasopressin neurons. Here, we show that antagonism of vasopressin-induced vasoconstriction slows the development of hypertension and that local administration of a GABAA receptor antagonist inhibits vasopressin neurons during, but not before, the onset of hypertension. Taken together, our data suggest that vasopressin exacerbates the increase in blood pressure evident early in the development hypertension and that blunted baroreflex inhibition of vasopressin neurons is underpinned by an excitatory shift in their response to endogenous GABA signalling. This article is protected by copyright. All rights reserved. PMID- 29222950 TI - Tolerance design of patient-specific range QA using the DMAIC framework in proton therapy. AB - PURPOSE: To implement the DMAIC (Define-Measure-Analyze-Improve-Control) can be used for customizing the patient-specific QA by designing site-specific range tolerances. METHODS: The DMAIC framework (process flow diagram, cause and effect, Pareto chart, control chart, and capability analysis) were utilized to determine the steps that need focus for improving the patient-specific QA. The patient specific range QA plans were selected according to seven treatment site groups, a total of 1437 cases. The process capability index, Cpm was used to guide the tolerance design of patient site-specific range. RESULTS: For prostate field, our results suggested that the patient range measurements were capable at the current tolerance level of +/-1 mm in clinical proton plans. For other site-specific ranges, we analyzed that the tolerance tends to be overdesigned to insufficient process capability calculated by the patient-specific QA data. The customized tolerances were calculated for treatment sites. Control charts were constructed to simulate the patient QA time before and after the new tolerances were implemented. It is found that the total simulation QA time was decreased on average of approximately 20% after establishing new site-specific range tolerances. We simulated the financial impact of this project. The QA failure for whole process in proton therapy would lead up to approximately 30% increase in total cost. CONCLUSION: DMAIC framework can be used to provide an effective QA by setting customized tolerances. When tolerance design is customized, the quality is reasonably balanced with time and cost demands. PMID- 29222951 TI - Neuronal PAS domain protein 4 (Npas4) controls neuronal homeostasis in pentylenetetrazole-induced epilepsy through the induction of Homer1a. AB - Neuronal intrinsic homeostatic scaling-down of excitatory synapse has been implicated in epilepsy pathogenesis to prevent the neuronal circuits from hyperexcitability. Recent findings suggest a role for neuronal PAS domain protein 4 (Npas4), an activity-dependent neuron-specific transcription factor in epileptogenesis, however, the underlying mechanism by which Npas4 regulates epilepsy remains unclear. We herein propose that limbic seizure activity up regulates Npas4-homer1a signaling in the hippocampus, thereby contributing to epileptogenesis in mice. The expression level of Npas4mRNA was significantly increased after the pentylenetetrazol (PTZ) treatment. Npas4KO mice developed kindling more rapidly than their wild-type littermates. The expression of Homer1a in the hippocampus increased after seizure activity. Npas4 increased Homer1a promoter activity in COS7 cells. The PTZ-stimulated induction of Homer1a was attenuated in the hippocampus of Npas4KO mice. The combination of fluorescence in situ hybridization and immunohistochemical analyses revealed that Homer1amRNA co localized with the Npas4 protein after the convulsive seizure response. PTZ reduced excitatory synaptic transmission at the associational/commissural fibers CA3 synapses through the Npas4-mediated down-regulation of postsynaptic alpha amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors in hippocampal CA3 neurons. The adeno-associated virus (AAV)-mediated expression of Homer1a resulted in lower alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid-type glutamate receptor GluA1 subunit levels in the hippocampal plasma membrane fraction than in that from AAV-EGFP-transfected Npas4KO mice. The development of kindling was more strongly suppressed in AAV-Homer1a-microinjected Npas4KO mice than in AAV-EGFP microinjected Npas4KO mice. These results indicate that Npas4 functions as a molecular switch to initiate homeostatic scaling and the targeting of Npas4 Homer1a signaling may provide new approaches for the treatment of epilepsy. PMID- 29222952 TI - Accumulation of the coumarin scopolin under abiotic stress conditions is mediated by the Arabidopsis thaliana THO/TREX complex. AB - Secondary metabolites are involved in the plant stress response. Among these are scopolin and its active form scopoletin, which are coumarin derivatives associated with reactive oxygen species scavenging and pathogen defence. Here we show that scopolin accumulation can be induced in the root by osmotic stress and in the leaf by low-temperature stress in Arabidopsis thaliana. A genetic screen for altered scopolin levels in A. thaliana revealed a mutant compromised in scopolin accumulation in response to stress; the lesion was present in a homologue of THO1 coding for a subunit of the THO/TREX complex. The THO/TREX complex contributes to RNA silencing, supposedly by trafficking precursors of small RNAs. Mutants defective in THO, AGO1, SDS3 and RDR6 were impaired with respect to scopolin accumulation in response to stress, suggesting a mechanism based on RNA silencing such as the trans-acting small interfering RNA pathway, which requires THO/TREX function. PMID- 29222953 TI - Bacterial community changes in copper and PEX drinking water pipeline biofilms under extra disinfection and magnetic water treatment. AB - AIMS: To study the stability of biofilms and water quality in pilot scale drinking water copper and PEX pipes in changing conditions (extra disinfection, magnetic water treatment, MWT). METHODS AND RESULTS: Next-generation sequencing (NGS) of 16S ribosomal RNA genes (rDNA) to describe total bacterial community and ribosomal RNA (rRNA) to describe active bacterial members in addition to traditional microbiological methods were applied. Biofilms from control copper and PEX pipes shared same most abundant bacteria (Methylobacterium spp., Sphingomonas spp., Zymomonas spp.) and average species diversities (Shannon 3.8 4.2) in rDNA and rRNA libraries, whereas few of the taxa differed by their abundance such as lower total Mycobacterium spp. occurrence in copper (<0.02%) to PEX (<0.2%) pipes. Extra disinfection (total chlorine increase from c. 0.5 to 1 mg l-1 ) affected total and active population in biofilms seen as decrease in many bacterial species and diversity (Shannon 2.7, P < 0.01, rRNA) and increase in Sphingomonas spp. as compared to control samples. Furthermore, extra disinfected copper and PEX samples formed separate clusters in unweighted non metric multidimensional scaling plot (rRNA) similarly to MWT-treated biofilms of copper (but not PEX) pipes that instead showed higher species diversity (Shannon 4.8, P < 0.05 interaction). CONCLUSIONS: Minor chlorine dose addition increased selection pressure and many species were sensitive to chlorination. Pipe material seemed to affect mycobacteria occurrence, and bacterial communities with MWT in copper but not in PEX pipes. SIGNIFICANCE AND IMPACT OF THE STUDY: This study using rRNA showed that chlorination affects especially active fraction of bacterial communities. Copper and PEX differed by the occurrence of some bacterial members despite similar community profiles. PMID- 29222954 TI - Evaluation of motion artifact metrics for coronary CT angiography. AB - PURPOSE: This study quantified the performance of coronary artery motion artifact metrics relative to human observer ratings. Motion artifact metrics have been used as part of motion correction and best-phase selection algorithms for Coronary Computed Tomography Angiography (CCTA). However, the lack of ground truth makes it difficult to validate how well the metrics quantify the level of motion artifact. This study investigated five motion artifact metrics, including two novel metrics, using a dynamic phantom, clinical CCTA images, and an observer study that provided ground-truth motion artifact scores from a series of pairwise comparisons. METHOD: Five motion artifact metrics were calculated for the coronary artery regions on both phantom and clinical CCTA images: positivity, entropy, normalized circularity, Fold Overlap Ratio (FOR), and Low-Intensity Region Score (LIRS). CT images were acquired of a dynamic cardiac phantom that simulated cardiac motion and contained six iodine-filled vessels of varying diameter and with regions of soft plaque and calcifications. Scans were repeated with different gantry start angles. Images were reconstructed at five phases of the motion cycle. Clinical images were acquired from 14 CCTA exams with patient heart rates ranging from 52 to 82 bpm. The vessel and shading artifacts were manually segmented by three readers and combined to create ground-truth artifact regions. Motion artifact levels were also assessed by readers using a pairwise comparison method to establish a ground-truth reader score. The Kendall's Tau coefficients were calculated to evaluate the statistical agreement in ranking between the motion artifacts metrics and reader scores. Linear regression between the reader scores and the metrics was also performed. RESULTS: On phantom images, the Kendall's Tau coefficients of the five motion artifact metrics were 0.50 (normalized circularity), 0.35 (entropy), 0.82 (positivity), 0.77 (FOR), 0.77(LIRS), where higher Kendall's Tau signifies higher agreement. The FOR, LIRS, and transformed positivity (the fourth root of the positivity) were further evaluated in the study of clinical images. The Kendall's Tau coefficients of the selected metrics were 0.59 (FOR), 0.53 (LIRS), and 0.21 (Transformed positivity). In the study of clinical data, a Motion Artifact Score, defined as the product of FOR and LIRS metrics, further improved agreement with reader scores, with a Kendall's Tau coefficient of 0.65. CONCLUSION: The metrics of FOR, LIRS, and the product of the two metrics provided the highest agreement in motion artifact ranking when compared to the readers, and the highest linear correlation to the reader scores. The validated motion artifact metrics may be useful for developing and evaluating methods to reduce motion in Coronary Computed Tomography Angiography (CCTA) images. PMID- 29222955 TI - Brain comorbidities in normal pressure hydrocephalus. AB - BACKGROUND AND PURPOSE: This cross-sectional study aims to compare gait changes after the cerebrospinal fluid (CSF) tap test between normal pressure hydrocephalus patients with and without brain comorbidities (NPH+ and NPH- respectively) and then to identify significant contributors to a poor CSF tap test amongst individuals with NPH+. METHODS: Gait changes (during the single task and the dual task of backward counting) were quantified before and 24 h after the CSF tap test with an optoelectronic system in 52 NPH patients (77.4 +/- 6.0 years; 34.6% women). Changes after the CSF tap test in stride time variability (STV, %) were our main outcome. CSF Alzheimer's disease biomarkers, cerebrovascular white matter changes assessed with brain imaging and neurodegenerative diseases with parkinsonian syndrome represented the three individual brain comorbidities. RESULTS: Brain comorbidities were frequently identified, NPH+ patients representing 40 patients of our sample (76.9%). NPH- patients improved their STV better in the single task (delta of STV = -58.6% +/- 54.3% vs. -14.1% +/- 62.0%; P = 0.031) and in the dual task (delta of STV =-32.2% +/- 33.7% vs. 6.3% +/- 58.4%; P = 0.028) after the CSF tap test than NPH+ patients. Amongst NPH+ individuals, only comorbid Alzheimer's disease was associated with STV increase (i.e. deterioration of gait) in the dual task [beta 38.4; 95% confidence interval (5.64; 71.24); P = 0.023] after the CSF tap test, whilst it was borderline in the single task [beta 35.0; 95% confidence interval ( 1.97; 71.90); P = 0.063]. CONCLUSIONS: Brain comorbidities affect gait improvement after the CSF tap test in NPH patients; this influence is driven by Alzheimer's disease-related pathology. PMID- 29222956 TI - Demographic drivers of a refugee species: large-scale experiments guide strategies for reintroductions of hirola. AB - Effective reintroduction strategies require accurate estimates of vital rates and the factors that influence them. The hirola (Beatragus hunteri) is the rarest antelope on Earth, with a global population size of <500 individuals restricted to the Kenya-Somali border. We estimated vital rates of hirola populations exposed to varying levels of predation and rangeland quality from 2012 to 2015, and then built population matrices to estimate the finite rate of population change (lambda) and demographic sensitivities. Mean survival for all age classes and population growth was highest in the low-predation-high-rangeland-quality setting (lambda = 1.08 +/- 0.03 [mean +/- SE]), and lowest in the high-predation low-rangeland-quality setting (lambda = 0.70 +/- 0.22). Retrospective demographic analyses revealed that increased fecundity (the number of female calves born to adult females annually) and female calf survival were responsible for higher population growth where large carnivores were absent. In contrast, variation in adult female survival was the primary contributor to differences in population growth attributable to rangeland quality. Our analyses suggest that hirola demography is driven by a combination of top-down (predation) and bottom-up (rangeland quality) forces, with populations in the contemporary geographic range impacted both by declining rangeland quality and predation. To enhance the chances of successful reintroductions, conservationists can consider rangeland restoration to boost both the survival and fecundity of adult females within the hirola's historical range. PMID- 29222957 TI - Association between beta-cell function estimated by HOMA-beta and prognosis of non-diabetic patients with ischaemic stroke. AB - BACKGROUND AND PURPOSE: Studies showed that beta-cell dysfunction is associated with increased risk of cardiovascular disease and subclinical carotid atherosclerosis. This study aimed to investigate the association between beta cell function and prognosis of non-diabetic patients with ischaemic stroke. METHODS: Ischaemic stroke patients without diabetes in the Abnormal Glucose Regulation in Patients with Acute Stroke across China registry were included in this analysis. Homeostasis assessment of beta-cell function (HOMA-beta) was performed and classified into four groups according to quartiles. The outcomes included stroke recurrence, poor functional outcome and all-cause mortality. RESULTS: In a total of 1244 patients, the average age was 62.3 years; 63.1% patients were male. At 1 year, the first quartile of HOMA-beta (<54.0) was associated with increased stroke recurrence (adjusted hazard ratio 2.04, 95% confidence interval 1.32-3.17, P = 0.001), poor functional outcome (adjusted odds ratio 3.04, 95% confidence interval 1.90-4.88, P < 0.001) and mortality (adjusted hazard ratio 4.12, 95% confidence interval 2.24-7.59, P < 0.001) compared with the fourth quartile of HOMA-beta (>=166.3) after adjustment for insulin resistance and other potential covariates. The second and third quartiles of HOMA beta were significantly associated with an increased risk of poor functional outcome. Multivariable regression analysis with restricted cubic splines showed an L-shaped association between HOMA-beta and outcomes at 1 year. CONCLUSIONS: Our study shows that lower HOMA-beta level is associated with poor outcomes at 1 year in non-diabetic patients with ischaemic stroke. PMID- 29222958 TI - The prevalence and odds of depression in patients with vitiligo: a meta-analysis. AB - OBJECTIVE: The objective of this study was to provide a pooled estimate of the prevalence and odds of depression in patients with vitiligo. METHODS: A systematic literature search of Medline, Embase and Cochrane library databases was conducted. The proportions and mean questionnaire values for depression were pooled according to different evaluation methods. In controlled studies, odds ratio and standardized mean differences compared depression in vitiligo patients with healthy controls. RESULTS: One thousand nine hundred and sixty-five patients were identified from 20 eligible cohorts to be included in the present meta analysis review. Sample sizes ranged from 30 to 308 for each analysis. The pooled prevalence of depression across 17 unique populations (n = 1711) was 29% (95% CI 20-39). The prevalence of clinical depression was 8% (95% CI 2%-14%) using Diagnostic and Statistical Manual of Mental Disorders IV or International Classification of Diseases codes-10, and the prevalence of depressive symptoms was 33% (95% CI 23%-44%) using validated screening inventory and rating scales. Patient with vitiligo was 4.96 times more likely to display depression compared with controls. Subgroup analysis showed that the prevalence of depression in Asian and female patients with vitiligo was significantly higher than that in Caucasian and male ones. The pooled prevalence of depressive symptoms was higher (56%, 95% CI 0.5-0.62), and the heterogeneity was lowering cases with Hamilton Depression Rating Scale (HDRS) questionnaire when compared with other questionnaires. CONCLUSIONS: This meta-analysis review indicates that the prevalence of depression is high in patients with vitiligo. The HDRS questionnaire may be the most sensitive tool for testing the depressive symptoms among patients with vitiligo. PMID- 29222959 TI - Development of depth encoding small animal PET detectors using dual-ended readout of pixelated scintillator arrays with SiPMs. AB - PURPOSE: The performance of current small animal PET scanners is mainly limited by the detector performance and depth encoding detectors are required to develop PET scanner to simultaneously achieve high spatial resolution and high sensitivity. Among all depth encoding PET detector approaches, dual-ended readout detector has the advantage to achieve the highest depth of interaction (DOI) resolution and spatial resolution. Silicon photomultiplier (SiPM) is believed to be the photodetector of the future for PET detector due to its excellent properties as compared to the traditional photodetectors such as photomultiplier tube (PMT) and avalanche photodiode (APD). The purpose of this work is to develop high resolution depth encoding small animal PET detector using dual-ended readout of finely pixelated scintillator arrays with SiPMs. METHODS: Four lutetium yttrium oxyorthosilicate (LYSO) arrays with 11 * 11 crystals and 11.6 * 11.6 * 20 mm3 outside dimension were made using ESR, Toray and BaSO4 reflectors. The LYSO arrays were read out with Hamamatsu 4 * 4 SiPM arrays from both ends. The SiPM array has a pixel size of 3 * 3 mm2 , 0.2 mm gap in between the pixels and a total active area of 12.6 * 12.6 mm2 . The flood histograms, DOI resolution, energy resolution and timing resolution of the four detector modules were measured and compared. RESULTS: All crystals can be clearly resolved from the measured flood histograms of all four arrays. The BaSO4 arrays provide the best and the ESR array provides the worst flood histograms. The DOI resolution obtained from the DOI profiles of the individual crystals of the four array is from 2.1 to 2.35 mm for events with E > 350 keV. The DOI ratio variation among crystals is bigger for the BaSO4 arrays as compared to both the ESR and Toray arrays. The BaSO4 arrays provide worse detector based DOI resolution. The photopeak amplitude of the Toray array had the maximum change with depth, it provides the worst energy resolution of 21.3%. The photopeak amplitude of the BaSO4 array with 80 MUm reflector almost doesn't change with depth, it provides the best energy resolution of 12.9%. A maximum timing shift of 1.37 ns to 1.61 ns among the corner and the center crystals in the four arrays was obtained due to the use of resistor network readout. A crystal based timing resolution of 0.68 ns to 0.83 ns and a detector based timing resolution of 1.26 ns to 1.45 ns were obtained for the four detector modules. CONCLUSIONS: Four high resolution depth encoding small animal PET detectors were developed using dual-ended readout of pixelated scintillator arrays with SiPMs. The performance results show that those detectors can be used to build a small animal PET scanner to simultaneously achieve uniform high spatial resolution and high sensitivity. PMID- 29222960 TI - Drug-induced acute liver failure in children and adults: Results of a single centre study of 128 patients. AB - BACKGROUND & AIMS: Drugs producing acute liver failure (ALF) are uncommon and vary geographically. Here we review the implicated drugs, clinical features, laboratory characteristics and outcome of patients with drug-induced ALF (DIALF). We analysed the predictors of mortality and their relationship with MELD, King's College criteria (KCC) and ALFSG prognostic index. METHODS: We identified DIALF patients from our drug-induced liver injury (DILI) registry (1997-2017). RUCAM was used for case adjudication. Patients who fulfilled criteria for acute liver failure and drug-induced liver injury were included. Primary outcome measure was spontaneous survival or death. RESULTS: There were 128 cases of DIALF (14%) among 905 patients with DILI. Mean age was 38 years, 68 (53%) female and 21(16.4%) children <18 years. Combination anti-TB drugs (ATD) (n = 92, 72.4%) accounted for a majority of DIALF. Others were anti-epileptic drugs (AED, n = 11, 10%), dapsone (n = 7, 5.5%), hormones (n = 2), ferrous sulphate overdose (n = 2), acetaminophen (APAP) (n = 2), antiretroviral (n = 2), CAM (N = 2), chemotherapy agents (N = 3), amoxicillin-clavulanic acid (n = 2) and others (n = 3). Forty-four patients (34%) recovered spontaneously and 84(66%) including 13 children (62%) died. Females, ascites, albumin, bilirubin, INR and MELD were significantly associated with mortality. Mortality was 79% for ATD and 100% for APAP and iron overdose. Area under ROC was 0.76 for MELD and ALFSG index and 0.51 for KCC. CONCLUSIONS: Fourteen percent of DILI resulted in DIALF. ATD, AED, dapsone and antiretroviral drugs are most common agents. Spontaneous survival was only 34% with an even higher mortality with ATD. Non-ATD and non-APAP drugs had a better survival (51%).INR and MELD predicted mortality. PMID- 29222961 TI - Liver zonation in children with non-alcoholic fatty liver disease: Associations with dietary fructose and uric acid concentrations. AB - BACKGROUND & AIMS: As dietary components are delivered directly to the periportal zone of the liver lobule, there is the potential for greater injury in this zone (zone 1) compared to the perivenous zone (zone 3). We investigated the associations between dietary fructose consumption and uric acid concentrations and differential zonal injury in periportal and perivenous zones. METHODS: A total of 271 children's histological images were scored in 5 periportal and 5 perivenous zones for steatosis, ballooning, inflammation and fibrosis severity. Dietary fructose consumption (g/d) was assessed and uric acid measured in serum. Logistic regression was undertaken to test associations between both high fructose consumption and hyperuricaemia, and histological disease in periportal and perivenous zones. RESULTS: Children with a mean age of 12.5 years were included in the study. Inflammation (mean +/- SD) was increased in the periportal vs perivenous zones (0.78 +/- 0.43 vs 0.41 +/- 0.48, P = .041). There were non significant trends towards greater steatosis, ballooning and fibrosis in the periportal zone. In the fully adjusted models, high fructose intake was associated with disease in both zones. Example for periportal and perivenous zones, respectively, steatosis 1.56 (1.12, 2.49) and 1.21 (1.09, 2.73); inflammation 4.29 (2.31, 5.88) and 3.69 (2.14, 4.56); and fibrosis 2.72 (1.43, 3.76) and 1.96 (1.24, 2.37). Hyperuricaemia (uric acid >=5.9 mg/dL) was associated with inflammation in the periportal zone 1.71 (1.17, 2.35); and was associated with steatosis and fibrosis in both zones; for example, for periportal and perivenous zones, respectively, steatosis 2.98 (1.65, 3.23) and 1.14 (1.05, 1.99); and fibrosis, 2.65 (1.35, 2.99) and 1.31 (1.13, 2.17). CONCLUSIONS: High fructose consumption is associated with disease severity in both lobular zones and hyperuricaemia may be associated with more severe disease in the periportal zone. PMID- 29222962 TI - East meets West: historical investigation of non-operative biliary interventions. PMID- 29222964 TI - East meets West: East and West pioneers of "anatomical right hepatectomy" - period of dawn to establishment. PMID- 29222963 TI - Preoperative biliary drainage adversely affects surgical outcomes in periampullary cancer: a retrospective and propensity score-matched analysis. AB - BACKGROUND: The use of preoperative biliary drainage (PBD) for managing patients with periampullary cancer awaiting surgery remains controversial. The impact of PBD status and type on surgical outcomes has not been established, leading to a lack of consensus. We aimed to evaluate the impact of PBD on short-term surgical outcomes in curatively resected periampullary cancer. METHODS: We retrospectively reviewed data from patients undergoing curative periampullary cancer resection. A propensity score-matched analysis was performed to adjust for clinical differences. Univariate and multivariate analyses were performed to determine independent risk factors for complications. RESULTS: The overall complication rate was significantly higher in patients who underwent PBD (P = 0.027). Additionally, complication rates were significantly higher in the endoscopic biliary drainage (EBD) group than in the percutaneous transhepatic biliary drainage (PTBD) group (P < 0.001). After propensity score matching, overall complication rates in patients receiving EBD (P < 0.001) were significantly higher. PBD type and diagnosis were independent risk factors for complications (hazard ratios: 1.927 for EBD; 1.921 for biliary tract cancer). CONCLUSIONS: Preoperative biliary drainage, especially EBD, should not be routinely performed in patients awaiting surgery for periampullary cancer, as it increases the risk of complications. PMID- 29222965 TI - Co-existence of myeloid neoplasm and monoclonal gammopathy; case series and review of literature. PMID- 29222966 TI - Optimizing Functional Outcomes in Mandibular Condyle Reconstruction With the Free Fibula Flap Using Computer-Aided Design and Manufacturing Technology. AB - PURPOSE: Mandibular defects involving the condyle represent a complex reconstructive challenge for restoring proper function of the temporomandibular joint (TMJ) because it requires precise bone graft alignment for full restoration of joint function. The use of computer-aided design and manufacturing (CAD/CAM) technology can aid in accurate reconstruction of mandibular condyle defects with a vascularized free fibula flap without the need for additional adjuncts. The purpose of this study was to analyze clinical and functional outcomes after reconstruction of mandibular condyle defects using only a free fibula graft with the help of virtual surgery techniques. MATERIALS AND METHODS: A retrospective review was performed to identify all patients who underwent mandibular reconstruction with only a free fibula flap without any TMJ adjuncts after a total condylectomy. Three-dimensional modeling software was used to plan and execute reconstruction for all patients. RESULTS: From 2009 through 2014, 14 patients underwent reconstruction of mandibular defects involving the condyle with the aid of virtual surgery technology. The average age was 38.7 years (range, 11 to 77 yr). The average follow-up period was 2.6 years (range, 0.8 to 4.2 yr). Flap survival was 100% (N = 14). All patients reported improved facial symmetry, adequate jaw opening, and normal dental occlusion. In addition, they achieved good functional outcomes, including normal intelligible speech and the tolerance of a regular diet with solid foods. Maximal interincisal opening range for all patients was 25 to 38 mm with no lateral deviation or subjective joint pain. No patient had progressive joint hypomobility or condylar migration. One patient had ankylosis, which required release. CONCLUSION: TMJ reconstruction poses considerable challenges in bone graft alignment for full restoration of joint function. The use of CAD/CAM technology can aid in accurate reconstruction of mandibular condyle defects with a vascularized free fibula flap through precise planning and intraoperative manipulation with optimal functional outcomes. PMID- 29222968 TI - Student-teacher relationships and bullying: The role of student social status. AB - Student-teacher relationships have been shown to influence bullying-related behaviors in students. This study considered the moderating role of students' social statuses in the classroom. The study sample included 435 students (48.7% females) taken from 18 Italian middle-school classrooms (i.e., sixth to eighth grade). A multigroup path analysis approach was employed to examine whether the effects of the student-teacher relationships on bullying-related behaviors differed among social statuses. The results showed that perceived conflict with the teacher was shown to have a significant positive effect on students' engagement in active bullying for students from all the statuses, except for neglected students. In particular, this effect was more relevant for rejected students. The results showed that social status and student-teacher relationships integrate and shed light on which roles are taken by young adolescents in school bullying, highlighting that it is important for the teachers to recognize these students. PMID- 29222967 TI - Stimulation of the endogenous incretin glucose-dependent insulinotropic peptide by enteral dextrose improves glucose homeostasis and inflammation in murine endotoxemia. AB - Loss of glucose homeostasis during sepsis is associated with increased organ dysfunction and higher mortality. Novel therapeutic strategies to promote euglycemia in sepsis are needed. We have previously shown that early low-level intravenous (IV) dextrose suppresses pancreatic insulin secretion and induces insulin resistance in septic mice, resulting in profound hyperglycemia and worsened systemic inflammation. In this study, we hypothesized that administration of low-level dextrose via the enteral route would stimulate intestinal incretin hormone production, potentiate insulin secretion in a glucose dependent manner, and thereby improve glycemic control in the acute phase of sepsis. We administered IV or enteral dextrose to 10-week-old male C57BL/6J mice exposed to bacterial endotoxin and measured incretin hormone release, glucose disposal, and proinflammatory cytokine production. Compared with IV administration, enteral dextrose increased circulating levels of the incretin hormone glucose-dependent insulinotropic peptide (GIP) associated with increased insulin release and insulin sensitivity, improved mean arterial pressure, and decreased proinflammatory cytokines in endotoxemic mice. Exogenous GIP rescued glucose metabolism, improved blood pressure, and increased insulin release in endotoxemic mice receiving IV dextrose, whereas pharmacologic inhibition of GIP signaling abrogated the beneficial effects of enteral dextrose. Thus, stimulation of endogenous GIP secretion by early enteral dextrose maintains glucose homeostasis and attenuates the systemic inflammatory response in endotoxemic mice and may provide a therapeutic target for improving glycemic control and clinical outcomes in patients with sepsis. PMID- 29222969 TI - Copper(II) complexes of N3O tripodal ligands appended with pyrene and polyamine groups: Anti-proliferative and nuclease activities. AB - A series of tripodal ligands based on the 2-tert-butyl-4-R-6-phenol was synthesized, where R=aldehyde (HL1), R=putrescine-pyrene (HL2) and R=putrescine (HL3). A dinucleating ligand wherein a putrescine group connects two tripodal moieties was also prepared (H2L4). The corresponding copper complexes (1, 2, 3, and 4, respectively) were prepared and characterized. We determined the phenol's pKas in the range 2.47-3.93. The DNA binding constants were determined at 6*106, 5.5*105 and 2.7*106 for 2, 3 and 4, respectively. The complexes display a metal centered reduction wave at Epc,red=-0.45 to -0.5V vs. saturated calomel electrode, as well as a ligand-centered oxidation wave above 0.57V at pH7. In the presence of ascorbate they promote an efficient cleavage of DNA, with for example a concentration required to cleave 50% of supercoiled DNA of 1.7MUM for 2. The nuclease activity is affected by the nature of the R group: putrescine-pyrene~bis ligating>putrescine>aldehyde. The species responsible for strand scission is the hydroxyl radical. The cytotoxicity of the complexes was evaluated on bladder cancer cell lines sensitive or resistant to cis-platin. The IC50 of complexes 2 and 4 span over a short range (1.3-2MUM) for the two cell lines. They are lower than those of the other complexes (3.1-9.7MUM) and cis-platin. The most active compounds block the cell cycle at the G0/1 phase and promote apoptosis. PMID- 29222970 TI - Relaxation of structural constraints during Amicyanin unfolding. AB - We study the thermal unfolding of amicyanin by quantifying the resiliency of the native state to structural perturbations. Three signatures characterizing stages of unfolding are identified. The first signature, lateral extension of the polypeptide chain, is calculated directly from the reported crystallographic data. Two other signatures, the radial displacement of each residue from Cu(II) and the angular spread in the chain as the protein unfolds, are calculated using crystallographic data in concert with a geometrical model we introduced previously (J.J. Kozak, H. B. Gray, R. A. Garza-Lopez, J. Inorg. Biochem. 155(2016) 44-55). Particular attention is paid to the resiliency of the two beta sheets in amicyanin. The resiliency of residues in the near neighborhood of the Cu center to destabilization provides information on the persistence of the entatic state. Similarly, examining the resiliency of residues intercalated between structured regions (beta sheets, the alpha helix) provides a basis for identifying a "hydrophobic core." A principal focus of our study is to compare results obtained using our geometrical model with the experimental results (C. La Rosa, D. Milardi, D. M. Grasso, M. P. Verbeet, G. W. Canters, L. Sportelli, R. Guzzi, Eur. Biophy. J.30(8),(2002) 559-570) on the denaturation of amicyanin, and we show that our results support a classical model proposed by these authors. PMID- 29222971 TI - The divergent impact of catechol-O-methyltransferase (COMT) Val158Met genetic polymorphisms on executive function in adolescents with discrete patterns of childhood adversity. AB - PURPOSE: Catechol-O-methyltransferase (COMT) Val158Met functional polymorphisms play a crucial role in the development of executive function (EF), but their effect may be moderated by environmental factors such as childhood adversity. The present study aimed at testing the divergent impact of the COMT Val158Met genotype on EF in non-clinical adolescents with discrete patterns of childhood adversity. METHODS: A total of 341 participants completed the Childhood Trauma Questionnaire, the self-reported version of the Behavior Rating Inventory of Executive Function, and self-administered questionnaires on familial function. The participants' COMT Val158Met genotype was determined. Associations among the variables were explored using latent class analysis and general linear models. RESULTS: We found that Val/Val homozygotes showed significantly worse performance on behavioral shift, relative to Met allele carriers (F=5.921, p=0.015, Partial eta2=0.018). Moreover, three typical patterns of childhood adversity, namely, low childhood adversity (23.5%), childhood neglect (59.8%), and high childhood adversity (16.7%), were found. Both childhood neglect and high childhood adversity had a negative impact on each aspect of EF and on global EF performance. Importantly, these results provided evidence for significant interaction effects, as adolescents with the Val/Val genotype showed inferior behavioral shift performance than Met carriers (F=6.647, p=0.010, Partial eta2=0.020) in the presence of high childhood adversity. Furthermore, there were no differences between the genotypes for childhood neglect and low childhood adversity. CONCLUSIONS: Overall, this is the first study to show that an interaction between the COMT genotype and childhood adversity affects EF in non clinical adolescents. These results suggest that the COMT genotype may operate as a susceptibility gene vulnerable to an adverse environment. PMID- 29222972 TI - Factors associated with adverse pregnancy outcomes in women with systematic lupus erythematosus. AB - The aim of this prospective study was to determine clinical factors associated with adverse pregnancy outcomes in women with systematic lupus erythematosus (SLE). Fifty-six pregnancies from 46 women with SLE were enrolled. Risk factors for pregnancy loss, premature delivery, hypertensive disorders of pregnancy (HDP), and light-for-date neonate (LFD), were evaluated. Univariate and multivariate logistic regression analyses revealed a history of two or more pregnancy losses before 10 gestational weeks (GW) (OR 11.5, 95%CI 1.72-76.8) as a risk factor for pregnancy loss; low levels of blood complements (OR 7.55, 95%CI 1.10-51.9) and antiphospholipid syndrome (OR 26.5, 95%CI 3.17-219) as risk factors for premature delivery before 37 GW; SLEDAI score at conception (OR 1.68, 95%CI 1.05-2.68) and positive tests for two or more antiphospholipid antibodies (OR 6.89, 95%CI 1.13-41.9) as risk factors for premature delivery before 34 GW; prednisolone therapy >14mg/day (OR 7.55, 95%CI 1.10-51.9) as a risk factor for HDP; and low dose aspirin therapy (OR 0.21, 95%CI 0.05-0.97) decreased the risk for LFD neonate. These results have important implications for clinicians managing SLE complicated pregnancy. PMID- 29222973 TI - Utilisation of academic nursing competence in Europe - A survey among members of the European Academy of Nursing Science. AB - BACKGROUND: In line with national and international strategies in Europe, the number of nurses with a doctoral degree has increased. The European Academy of Nursing Science (EANS) has for 18years delivered a three-year doctoral summer school for nurses. Questions have been raised in terms of how academic nurses' competencies are used and in what positions. AIM: To understand the progression of nurses' academic careers following completion of the EANS Summer School and to picture how research and academic skills of the nurses are being used for research and/or other fields in nursing. METHODS: We commenced a cross-sectional survey. Former EANS Summer School participants were invited to take part in the online survey with questions developed specifically for this study. The study conformed to the principle of good clinical research practice and was reviewed and approved by the EANS Board. RESULTS: Of 380 former participants, 308 were eligible for participating in the survey. A total of 140 (45%) responded. The respondents originated from 21 countries. Sixty-nine percent had their main position in universities or university colleges and 25% in healthcare organisations. More than 80% were involved in research, teaching and supervision, and 26% were involved in direct client/patients care while 71% reported doing postdoctoral research where descriptive research designs dominated. The research topics covered a large variety of aspects in clinical nursing, education, development and theory. CONCLUSION: The EANS Summer School is an example of an effort to improve nurses' academic competencies. The survey indicates that the competencies of academically trained nurses in Europe primarily are used in universities and educational institutions. However, a large proportion is working close to and in collaboration with clinical practice. Evidence of the legacy of having undergone the EANS Summer School includes using advanced research methods and collaboration with the international EANS network. PMID- 29222974 TI - Cold atmospheric plasma (CAP), a novel physicochemical source, induces neural differentiation through cross-talk between the specific RONS cascade and Trk/Ras/ERK signaling pathway. AB - Plasma, formed by ionization of gas molecules or atoms, is the most abundant form of matter and consists of highly reactive physicochemical species. In the physics and chemistry fields, plasma has been extensively studied; however, the exact action mechanisms of plasma on biological systems, including cells and humans, are not well known. Recent evidence suggests that cold atmospheric plasma (CAP), which refers to plasma used in the biomedical field, may regulate diverse cellular processes, including neural differentiation. However, the mechanism by which these physicochemical signals, elicited by reactive oxygen and nitrogen species (RONS), are transmitted to biological system remains elusive. In this study, we elucidated the physicochemical and biological (PCB) connection between the CAP cascade and Trk/Ras/ERK signaling pathway, which resulted in neural differentiation. Excited atomic oxygen in the plasma phase led to the formation of RONS in the PCB network, which then interacted with reactive atoms in the extracellular liquid phase to form nitric oxide (NO). Production of large amounts of superoxide radical (O2-) in the mitochondria of cells exposed to CAP demonstrated that extracellular NO induced the reversible inhibition of mitochondrial complex IV. We also demonstrated that cytosolic hydrogen peroxide, formed by O2- dismutation, act as an intracellular messenger to specifically activate the Trk/Ras/ERK signaling pathway. This study is the first to elucidate the mechanism linking physicochemical signals from the CAP cascade to the intracellular neural differentiation signaling pathway, providing physical, chemical and biological insights into the development of therapeutic techniques to treat neurological diseases. PMID- 29222975 TI - Hydrothermal synthesis of hierarchical CoO/SnO2 nanostructures for ethanol gas sensor. AB - In this work, ethanol gas sensor with high performance was fabricated successfully with hierarchical CoO/SnO2 heterojunction by two-steps hydrothermal method. The response value of CoO/SnO2 sensor is up to 145 at 250 degrees C when exposed to 100 ppm ethanol gas, which is much higher than that (13.5) of SnO2 sensor. These good sensing performances mainly attribute to the formation of the CoO/SnO2 heterojunction, which makes great variation of resistance in air and ethanol gas. Thus, the combination of n-type SnO2 and p-type CoO provides an effective strategy to design new ethanol gas sensors. The unique nanostructure also played an important role in detecting ethanol, due to its contribution in facilitating the transport rate of the ethanol gas molecules. Also, we provide a general two-step strategy for designing the heterojunction based on the SnO2 nanostructure. PMID- 29222976 TI - Enhanced electrocatalytic activity and stability of monodisperse Pt nanocomposites for direct methanol fuel cells. AB - Direct methanol fuel cells (DMFCs) are one of the most important fuel cells operating at low temperature using methanol as fuel and they need very efficient catalysts to activate the methanol. Generally, the most efficient fuel cell catalysts are platinum-based nanoparticles that can be used by different supporting materials such as different as prepared and functionalized carbon derivatives. For this purpose, herein, the carbon black has been mainly functionalized with an acidification process in order to increase the electrical conductivity and heterogeneous electron transfer rate of supporting materials. After functionalization of carbon black (f-CB), platinum salt (PtCl4) was stabilized with propylamine (PA) in the presence of ethylene glycol (EG) and f-CB by microwave synthesis method. XPS, XRD, TEM and Raman Spectroscopy techniques were used to determine the morphology of the prepared catalyst. The results showed that the prepared nanocatalyst has face-centered cubic (fcc) structure and uniformly distribution on supporting material. Besides, chronoamperometry (CA) and cyclic voltammetry (CV) techniques were used to determine the electrochemical activity of functionalized carbon black supported Pt NPs (Pt/f-CB) towards methanol. From the results obtained from the CV and CA, it was found that the activity of the Pt/f-CB NPs (50 mA/cm2) was almost 4-5 times higher than that of the Pt/CB NPs and commercial available Pt/C catalyst (ETEK). PMID- 29222977 TI - Ultra-deep adsorptive desulfurization of fuels on cobalt and molybdenum nanoparticles loaded on activated carbon derived from waste rubber. AB - The role of cobalt and molybdenum nanoparticles loaded on activated carbon (AC) on the adsorptive desulfurization ability of sulfur-containing compounds was investigated under ambient conditions. The AC was first synthesized and activated, followed by incorporation of the cobalt (Co), molybdenum (Mo) and both Co and Mo nanoparticles. The adsorption activity parameters of the developed composites were determined using surface characterization and N2 physisorption techniques. The prepared composites were evaluated for simultaneous adsorption of sulfur compounds from fuels. The AC/CoMo composite showed better adsorption properties than pure AC, AC/Co and AC/Mo composites for the removal of thiophene (T), benzothiophene (BT), dibenzothiophene (DBT), 5-methyl-1-benzothiophene (MBT), 4,6-dimethyldibenzothiophene (DMDBT) and 4-methyldibenzothiophene (MDBT). The order of the thiophene compounds removal was found to be Thiophene < BT < DBT < MBT <= MDBT <= DMDBT. The enhanced desulfurization performance of the AC/CoMo composite was attributed to the increase in the surface area achieved through impregnation of both Co and Mo. PMID- 29222978 TI - Cobalt nanofibers coated with layered nickel silicate coaxial core-shell composites as excellent anode materials for lithium ion batteries. AB - A novel type of cobalt nanofibers coated with layered nickel silicate (Co nanofibers @ voids @ Ni3Si2O5(OH)4) coaxial core-shell composites were successfully prepared via a well-known Stober process and two hydrothermal methods. In the composites, the international nanosheet structure of the nickel silicate provided interlayer spaces for lithium ions in the process of insertion and extraction. The cobalt nanofibers served as a mechanical support for the nickel silicate nanosheets, which increased the electrical conductivity of the whole electrode. In addition, one-dimensional coaxial structure was stable to buffer the volume change and avoid the destruction of the structure. Moreover, the voids provided effective channels for the transportation of lithium ions. The Co nanofibers @ voids @ Ni3Si2O5(OH)4) coaxial core-shell composites presented superior electrochemical properties compared with the published Ni3Si2O5(OH)4 related materials. With the advantages of exceptional performances and facile preparation, the composites show prospective application potential as advanced anode materials in lithium ion batteries. PMID- 29222979 TI - Hierarchical NiCo2O4 nanosheets grown on hollow carbon microspheres composites for advanced lithium-ion half and full batteries. AB - Hierarchical ultrathin NiCo2O4 nanosheeets grown on uniform hollow carbon microspheres (HC@NiCo2O4) are designed and fabricated by a solvothermal reaction followed with an annealing process. When evaluated as an anode for lithium ion batteries, the as-prepared HC@NiCo2O4 microspheres exhibit excellent electrochemical performance (a high reversible capacity of 1015 mA h g-1 after 100 cycles at a current density of 0.1 A g-1 and a high capacity of 805 mA h g-1 even at a high current density of 0.5 A g-1). By pairing with the LiCoO2 cathode, the HC@NiCo2O4 anode also manifests excellent performance in full cells. The outstanding electrochemical performance in half and full cells can be attributed to its unique structure, which can not only promote the contact of electrode and electrolyte during the charge and discharge processes, but also shorten the transmission path of electrons and ions. More importantly, this study inspires a better design of various metal oxide/carbon electrode materials for high performance lithium ion batteries. PMID- 29222980 TI - Bonding of doxorubicin to nanosilica and human serum albumin in various media. AB - Interaction of doxorubicin hydrochloride (DOX) (anti-cancer drug) with hydro compacted nanosilica A-300 (cA-300) alone or cA-300/human serum albumin (HSA) at a small content of water (h = 0.4 g per gram of dry silica) in different dispersion media (air, chloroform, and chloroform/trifluoroacetic acid) was analyzed using low-temperature 1H NMR spectroscopy, NMR cryoporometry and quantum chemistry to elucidate specific changes in the interfacial layers. Initial (bulk density rhob ~ 0.046 g/cm3) and hydro-compacted (rhob ~ 0.051-0.265 g/cm3 as a function of the hydration degree) nanosilicas were analyzed using nitrogen adsorption-desorption, gelatin adsorption, small angle X-ray scattering (SAXS), TEM, and infrared (FTIR) spectroscopy. Equilibrium adsorption of DOX onto cA-300 and cA-300/HSA was analyzed using ultraviolet-visible light spectroscopy. Photon correlation spectroscopy was used to analyze the particle size distribution in aqueous suspensions with various contents of components. DOX more strongly bound to HSA than silica also affects structure of interfacial water layers that depends on dispersion media because chloroform as immiscible with water changes the water organization to enlarge water structures. In aqueous media, DOX alone remains mainly in the form of nano/microparticles (50 nm-2 um in size). However, with the presence of cA-300, cA-300/HSA, and HSA alone DOX transforms into pure nano-sized structures. These effects are explained by effective bonding of DOX to HSA having good transport properties with respect to drug molecules/ions that exceed similar properties of nanosilica alone, but cA-300/HSA can be a more effective composite as a drug carrier. PMID- 29222981 TI - Fabrication of biocompatible and efficient antimicrobial porous polymer surfaces by the Breath Figures approach. AB - We designed and fabricated highly efficient and selective antibacterial substrates, i.e. surface non-cytotoxic against mammalian cells but exhibiting strong antibacterial activity. For that purpose, microporous substrates (pore sizes in the range of 3-5 MUm) were fabricated using the Breath Figures approach (BFs). These substrates have additionally a defined chemical composition in the pore cavity (herein either a poly(acrylic acid) or the antimicrobial peptide Nisin) while the composition of the rest of the surface is identical to the polymer matrix. As a result, considering the differences in size of bacteria (1-4 MUm) in comparison to mammalian cells (above 10 um) the bacteria were able to enter in contact with the inner part of the pores where the antimicrobial functionality has been placed. On the opposite, mammalian cells remain in contact with the top surface thus preventing cytotoxic effects and enhancing the biocompatibility of the substrates. The resulting antimicrobial surfaces were exposed to Staphylococcus aureus as a model bacteria and murine endothelial C166 GFP cells. Superior antibacterial performance while maintaining an excellent biocompatibility was obtained by those surfaces prepared using PAA while no evidence of significant antibacterial activity was observed at those surfaces prepared using Nisin. PMID- 29222982 TI - Association between MTHFR variant and diabetic neuropathy. AB - BACKGROUND: Methylene-tetrahydrofolate reductase (MTHFR) gene variant may play an important role in the pathophysiology of diabetes and its complications due to its influence on plasma homocysteine levels and also its effect on scavenging peroxynitrite radicals. Diabetic peripheral neuropathy (DPN) is one of the most common diabetic chronic complications. The aim of this study was to investigate the relationship between diabetic neuropathy and MTHFR gene C677T and 1298A /C polymorphisms. METHOD: Patients with type 2 diabetes N=248 were enrolled in the study, consisting of patients with neuropathy (N=141) and patients without neuropathy (N=107). MTHFR C677T polymorphism was analyzed using polymerase chain reaction followed by restriction fragment length polymorphism (PCR-RFLP) of genomic DNA for genotyping of samples. 1298A/C polymorphism was evaluated using ARMS-PCR. RESULT: There was a significant difference in MTHFR polymorphism between the groups with and without neuropathy. CONCLUSION: Our results suggest that MTHFR 677 variant confer risk for diabetic neuropathy among Iranian patients with type 2 diabetes. PMID- 29222983 TI - The action is in the task set, not in the action. AB - In 7 experiments we contrasted two accounts for novel sources of attentional bias. According to the action-based account, executing a motor response towards an object causes people to allocate attention preferentially towards properties of that object in a subsequent task even when properties of the acted-on object are task irrelevant. This remarkable view entails that motor processing is in itself sufficient to affect later attentional processing, in the absence of stimulus evaluation and motor preparation. In contrast, the attentional template matching account posits that observing an external object that matches one's prior attentional settings increases processing of that object even when properties of the item are no longer task relevant. Our findings indicate that when properties of a stimulus are task irrelevant, acting towards that object does not produce priming effects over and above what is observed from passive viewing of the object. Furthermore, when properties of the stimulus are task relevant, effects on attention are observed only when participants have sufficient information to generate a task based attentional template of the upcoming stimulus, regardless of whether they act towards the stimulus or not. Finally, effects on attention are found under conditions when participants are likely to experience an attentional template match but do not produce a response. Collectively, these results reveal that previously reported motor-based effects on attention instead reflect the effects of attentional bias towards objects that serve as prior targets. Our findings thus provide strong support for the attentional template view and no support for the action-based view. PMID- 29222985 TI - Absolute mRNA levels of inflammatory cytokines as treatment predictors in depression: Time for personalized medicine. PMID- 29222984 TI - Suicidal behaviour is associated with decreased esterified cholesterol in plasma and membrane fluidity of platelets. AB - BACKGROUND: Altered cholesterol levels in body fluids and brain tissues have been shown to be associated with suicidal behaviour, violence and aggression. But the biological underpinnings of this association in the pathophysiology of suicide are not clear. Cholesterol plays a crucial role in maintaining the cellular membrane fluidity and alterations in cellular membrane fluidity may impair serotonergic neurotransmission in the central nervous system. METHODS: We measured plasma esterified cholesterol and platelet membrane fluidity using fluorescence anisotropy and estimated flow activation energy which is a measure of order of membrane lipid bilayer in patients with recent suicidal attempt and compared with age and gender matched controls. RESULTS: The plasma esterified cholesterol, platelet membrane fluidity and flow activation energy was found to be significantly lower in patients with recent suicidal attempts compared to controls. CONCLUSION: Altered levels of plasma esterified cholesterol which is in equilibrium with membrane cholesterol might have resulted in decreased membrane fluidity and an increase in the order of membrane lipid bilayer. This might impair the serotonergic neurotransmission, which has been implicated in the pathophysiology of suicide. PMID- 29222986 TI - A case report of pregabalin use disorder with co-morbid somatic symptom disorder and depression. PMID- 29222987 TI - Frequency and correlates of tardive dyskinesia in Indian patients with type I bipolar disorder. AB - BACKGROUND: Patients with Bipolar Disorder (BD) may have higher risk of Tardive Dyskinesia (TD). Theories for TD include inflammatory or oxidative stress and altered iron metabolism. The current frequency and clinical and biochemical correlates of TD in BD needs exploration. OBJECTIVES: To assess: (1) the frequency of TD in BD; (2) clinical correlates of TD in BD; (3) oxidative stress markers, inflammatory markers and hepcidin in TD in BD. MATERIALS & METHODS: In this cross-sectional study, 170 patients with BD were assessed for clinical characteristics using structured assessments. Inflammatory and oxidative markers like Interleukin-6 (IL-6), high sensitivity C-Reactive Protein (hsCRP), malondialdehyde (MDA), Total Antioxidant Status (TAS) and hepcidin were assessed by ELISA. RESULTS: Frequency of TD was 10.6% (95%C.I.=6.4%-16.2%). Compared to patients without TD, patients with TD were older (F=0.340;p=0.000), had more episodes of illness (U=962.5;p=0.044) higher rates of medical comorbidity (X2=6.924; p=0.009*), antipsychotic exposure (U=592.5;p=0.000), typical antipsychotic exposure (U=756.5;p=0.001) and cognitive deficits (F=1.129;p=0.001). The biomarkers levels did not differ between the groups. Hepcidin levels correlated with Abnormal involuntary Movements scale (AIMS) score (r=0.213;p=0.006). Patients treated with lithium were more likely to have TD, but also had greater exposure to antipsychotics than patients on valproate. CONCLUSION: About one-tenth of patients with BD-I have TD. The presence of TD is associated several clinical characteristics such as age, exposure to typical antipsychotics and chronicity of illness. Hepcidin was associated with greater severity of dyskinetic movements and needs further exploration. PMID- 29222988 TI - Medically unexplained physical symptoms in patients attending a medical outpatient clinic in a tertiary hospital in North India. AB - OBJECTIVE: Medically unexplained physical symptoms (MUPS) are commonly seen across health care settings. Earlier studies have focussed on prevalence, cost utilization and burden. Data from India is scarce. Patients with persistent MUPS have more impairment and psychological distress. This study was designed to assess psychological morbidity, health anxiety (HA), somatic symptom load, disability, quality of life (QOL) in patients with persistent MUPS presenting to a general medical outpatient service and compare it with patients with medically explained physical symptoms (MEPS). METHODS: The study was conducted in the outpatient service of the Department of Internal Medicine in a tertiary hospital in North India. Persistent MUPS was defined as physical symptoms of at least 3 months duration leading to dysfunction and with no identifiable medical cause. 70 patients with persistent MUPS and MEPS each were recruited. Psychiatric morbidity was assessed using the Mini International Neuropsychiatric interview, somatic symptom load with Patient Health Questionniare-15 (PHQ-15), HA with Whiteley Index, disability with WHODAS 2.0 and QOL with WHOQOL-Bref. RESULTS: Both the groups were comparable on socio-demography and length of symptoms. Prevalence of psychiatric disorders and HA was significantly greater in MUPS. Patients with persistent MUPS had significantly more health care utilization, number and burden of somatic symptoms, greater disability and worse QOL. CONCLUSIONS: Patients with persistent MUPS have a different profile when compared to MEPS. There is a need to screen and identify patients with MUPS and manage them keeping in mind the psychological factors and chronic nature and number of symptoms. PMID- 29222989 TI - Disrupted circuits in mouse models of autism spectrum disorder and intellectual disability. AB - Autism spectrum disorder (ASD) and intellectual disability (ID) are caused by a wide range of genetic mutations, a significant fraction of which reside in genes important for synaptic function. Studies have found that sensory, prefrontal, hippocampal, cerebellar, and striatal regions, as well as the circuits that connect them, are perturbed in mouse models of ASD and ID. Dissecting the disruptions in morphology and activity in these neural circuits might help us to understand the shared risk between the two disorders as well as their clinical heterogeneity. Treatments that target the balance between excitation and inhibition in these regions are able to reverse pathological phenotypes, elucidating this deficit as a commonality across models and opening new avenues for intervention. PMID- 29222990 TI - Rapid and irreversible sorption behavior of 7Be assessed to evaluate its use as a catchment sediment tracer. AB - Beryllium-7 (7Be) has been used as a sediment tracer to evaluate soil redistribution rates at hillslopes and as a tool to estimate sediment residence time in river systems. A key assumption for the use of 7Be as a sediment tracer is the rapid and irreversible sorption of 7Be upon contact with the soil particles. However, recent studies have raised questions about the validity of these assumptions. Seven soil types were selected to assess the adsorption rate of 7Be on the soil particles, subsequently an extraction experiment was performed to assess the rate of desorption. Next, different treatments were applied to assess the impact of soil pH, fertilizer, humic acid and organic matter on the adsorption of Be. Finally, the influence of regularly occurring cations present on the soil complex on the adsorption of Be on pure clay minerals was evaluated. The adsorption rate experiment showed a rapid and nearly complete sorption of Be for Luvisols and Cambisols under agriculture. For a temperate climate Stagnosol under forest and two highly weathered tropical Ferralsols sorption of Be was less rapid and less complete. This may result in an incomplete adsorption of 7Be on these three soils when runoff initiates, which could lead to an overestimation of erosion rates and sediment residence time. Additional observations were made during the extraction experiment, showing a significant loss of Be from the forest Stagnosol and a stable binding of Be to the arable soils. Of the different treatments applied, only pH showed to be of influence. Finally, Ca2+ and NH4+ on the soil complex had only a limited effect on the adsorption of Be, while Al3+ in combination with a low pH inhibits the adsorption of Be on the exchange complex of the pure clay minerals. All these findings more rigorously support the use of 7Be as a soil redistribution tracer in arable soils in a temperate climate at a hillslope scale. The use of 7Be in highly weathered Ferralsols or forest rich environments should be limited to avoid overestimations of erosion rates. The spatially extended use of 7Be to evaluate residence times of sediments should be avoided in catchments with rapid changing environmental parameters as they might influence the sorption behavior of 7Be. PMID- 29222991 TI - Salivary immune proteins monitoring can help detection of binge and chronic alcohol drinkers: Preliminary findings. AB - BACKGROUND: We compared effects of binge and chronic alcohol drinking on oral health and salivary immunity proteins. METHODS: The study involved males: 13 healthy social-drinking (C), 10 alcohol-dependent after chronic alcohol intoxication (A), and 8 binge-drinkers after a single binge-drinking session (B). We compared periodontal/dental state and salivary immune proteins (lactoferrin Lf, lysozyme -Lz, oral peroxidase -OPO, immunoglobulin A -IgA) in all groups. RESULTS: Group A had worse dental and periodontal states than group C and B. Group B had a lower OPO activity and Lz concentration, and a higher IgA concentration in comparison to group C. Group A had a higher OPO activity than group C. Group B had a lower Lz and a higher LF and IgA outputs than C. Group A had a lower IgA output and a strong tendency of Lf and Lz outputs to be lower than in group C. Positive correlations were found between alcohol amounts and OPO and Lf output in group A, with no such correlations in group B. Only IgA concentration in group B and OPO activity in group A have potential to be markers that help to differentiate binge from chronic alcohol drinking, and OPO activity had better accuracy than IgA. CONCLUSION: Binge alcohol consumption resulted in specific disturbances in salivary innate immunity (Lz), whereas chronic drinking led to disturbances in both adaptive and innate immunity (IgA, Lz and Lf). There is potential applicability of raised salivary IgA concentration and especially OPO activity in binge and chronic drinking detection and differential-diagnosis. PMID- 29222992 TI - Inflammatory chemokine eotaxin-1 is correlated with age in heroin dependent patients under methadone maintenance therapy. AB - BACKGROUND: Degeneration of central neurons and fibers has been observed in postmortem brains of heroin dependent patients. However, there are no biomarkers to predict the severity of neurodegeneration related to heroin dependence. A correlation has been reported between inflammatory C-C motif chemokine ligand 11 (CCL11, or eotaxin-1) and neurodegeneration in Alzheimer's disease. METHODS: Three-hundred-forty-four heroin dependent, Taiwanese patients under methadone maintenance treatment (MMT) were included with clinical assessment and genomics information. Eighty-seven normal control subjects were also recruited for comparison. RESULTS: Using receiver operating characteristics curve analyses, CCL11 showed the strongest sensitivity and specificity in correlation with age by a cut-off at 45 years (AUC = 0.69, P < 0.0001) in MMT patients, but not normal controls. Patients 45 years of age or older had significantly higher plasma levels of CCL11, fibroblast growth factor 2 (FGF-2), nicotine metabolite cotinine, and a longer duration of addiction. Plasma level of CCL11 was correlated with that of FGF-2 (partial r2 = 0.24, P < 0.0001). Carriers with the mutant allele of rs1129844, a functional single nucleotide polymorphism (Ala23Thr) in the CCL11 gene, showed a higher plasma level of Abeta42, ratio of Abeta42/Abeta40, and insomnia side effect symptom score than the GG genotype carriers among MMT responders with morphine-negative urine results. CONCLUSIONS: The results suggest possible novel mechanisms mediated through CCL11 involving neurotoxicity in heroin dependent patients. PMID- 29222993 TI - Supplementation of gamma-aminobutyric acid (GABA) affects temporal, but not spatial visual attention. AB - In a randomized, double-blind, and placebo-controlled experiment, the acute effects of gamma-aminobutyric acid (GABA) supplementation on temporal and spatial attention in young healthy adults were investigated. A hybrid two-target rapid serial visual presentation task was used to measure temporal attention and integration. Additionally, a visual search task was used to measure the speed and accuracy of spatial attention. While temporal attention depends primarily on the distribution of limited attentional resources across time, spatial attention represents the engagement and disengagement by relevant and irrelevant stimuli across the visual field. Although spatial attention was unaffected by GABA supplementation altogether, we found evidence supporting improved performance in the temporal attention task. The attentional blink was numerically, albeit not significantly, attenuated at Lag 3, and significantly fewer order errors were committed at Lag 1, compared to the placebo condition. No effect was found on temporal integration rates. Although there is controversy about whether oral GABA can cross the blood-brain barrier, our results offer preliminary evidence that GABA intake might help to distribute limited attentional resources more efficiently, and can specifically improve the identification and ordering of visual events that occur in close temporal succession. PMID- 29222994 TI - Supportive environments for physical activity in deprived communities in the United Kingdom: A qualitative study using photo elicitation. AB - The health benefits of regular physical activity are substantial and well established. However, population activity levels are insufficient to obtain health benefits in the United Kingdom (UK), and strategies to increase activity, particularly in income-deprived communities, are sought. Socioecological models of physical activity posit that activity levels are influenced by social, physical and wider environmental factors. In line with a growing evidence base, there is a need to understand the factors that contribute to an activity supportive neighbourhood within deprived settings within the UK. This study used photo-elicitation qualitative interviews to explore environmental facilitators and barriers to neighbourhood-based, outdoor physical activity in 23 adults living in two income-deprived neighbourhoods in Glasgow, UK. Data were collected between June and October 2015, and were explored using thematic analysis. Five themes were identified: 'diversity of destinations in the neighbourhood', 'provision of services to support healthy environments', 'ownership of public space and facilities to encourage physical activity', 'collective control of public space to prevent disorder' and 'perceived value of the neighbourhood'. Findings highlighted the close interaction between these themes and more broadly between social and physical facets of neighbourhood environments that were unsupportive of physical activity. Discourse about economic aspects was pervasive and emerged as deeply affecting characteristics of the social and physical environment and upstream influences on physical activity. This study supports evidence that multi-faceted interventions addressing aspects of the social, physical and economic environment may be needed to support outdoor physical activity in deprived communities. PMID- 29222995 TI - Updating Edwin Chadwick's seminal work on geographical inequalities by occupation. AB - To honour the 175th anniversary of Edwin Chadwick's seminal 'Report on the Sanitary Conditions of the Labouring Poor', we update Chadwick's famous analysis of geographical differences in occupational based inequalities. Much of the field of Health Geography owes both its direction of development and its initial impetus to his 1842 report. The report presented evidence for the importance of local context to health, with individuals of the lowest occupations in Rutland living longer than individuals of the highest occupations in Liverpool. Here we update the 1842 analysis using data from the Office of National Statistics on individual mortality records by occupation (2010-12) and population data from the 2011 Census. Sex-specific directly standardised premature (16-74) mortality rates were calculated for hierarchical occupational categories similar to Chadwick's categories, for the nearest equivalent areas to those used in Chadwick's report. Although there is no longer consistent evidence on individuals in the lowest occupational group having lower mortality rates than those in the highest group, there were clear social gradients in mortality within each area and the extent of these inequalities varied between areas. Individuals who live in Rutland had lower premature mortality rates across each occupational group compared to the other areas. Our results demonstrate that while life expectancy has nearly doubled since Chadwick's report, social and spatial inequalities in health have persisted. We suggest that Chadwick's legacy on the importance of locality continues. PMID- 29222996 TI - The consequence of "doing nothing": Family caregiving for Alzheimer's disease as non-action in the US. AB - This article adopts a discursive approach in order to examine how dominant US discourses shape both public and personal understandings of the caregiving work that families do, specifically in the context of Alzheimer's disease (AD). Family caregivers are an essential, increasingly recognized piece of the US health care system. Dominant discourses of AD and caregiving articulate family caregiving in contrast to biomedical intervention. The dichotomy privileges the ability to affect a biomedical outcome and, using that metric, minimizes caregiving's potential value as meaningful action. Family caregiving comes to be seen as what I term non-action, action that, while voluminous, is not perceived as meaningful in terms of its outcome. Drawing on over 26 months of ethnographic fieldwork in the Midwestern US with families living with early-onset AD (2011-2013), I focus on spousal caregivers to trace how these discourses shape the possibilities for family caregiving. I show how advocacy rhetoric is taken up and reproduced by family members, who learn to see their own caregiving labor through a biomedical lens. However, I also demonstrate that, obscured by dominant discourses, caregivers engage in relational labor, the continual work of making and unmaking social relations. Recognition of caregiving as part of longer-term relational endeavors, I argue, offers the potential to reframe caregiving discourses and reimagine the value the labor of caregiving as meaningful in its own right. PMID- 29222997 TI - "That wasn't really a place to worry about diabetes": Housing access and diabetes self-management among low-income adults. AB - Lack of affordable housing access represents a significant and growing problem for low-income households in the United States and these housing challenges may present barriers to the management of chronic diseases such as type 2 diabetes. In this qualitative study, we examined how both housing challenges and housing resources shaped diabetes self-management behaviors. We conducted semi-structured interviews with 40 low-income residents of one US city, New Haven, Connecticut, who had a diagnosis of type 2 diabetes and either resided in or qualified for subsidized housing. We purposively constructed our sample to include a range of housing experiences (subsidized, unsubsidized, homeless) and treatment regimes. We analyzed the data using grounded theory techniques of inductive coding and memo writing. Our findings suggest multiple ways that housing access can affect diabetes self-management with implications for blood glucose levels and future complications. Specifically, we describe the ways that housing access affected participants' ability to: 1) prioritize their diabetes care, 2) establish and maintain diabetes routines, and 3) afford diabetes-related expenses. Together, our findings show how housing challenges increased the cost of adherence to diabetes management regimes such that inadequately housed individuals had to both invest and sacrifice more for the same outcomes. Our findings suggest that improved affordable housing access may represent an opportunity to improve outcomes and reduce socioeconomic disparities among those living with type 2 diabetes. PMID- 29222998 TI - Experiences of connectivity and severance in the wake of a new motorway: Implications for health and well-being. AB - The construction of new urban roads may cause severance, or the separation of residents from local amenities or social networks. Using qualitative data from a natural experimental study, we examined severance related to a new section of urban motorway constructed through largely deprived residential neighbourhoods in Glasgow, Scotland. Semi-structured and photo-elicitation interviews were used to better understand severance and connectivity related to the new motorway, and specifically implications for individual and community-level health and well being through active travel and social connections. Rather than a clear severance impact attributable to the motorway, a complex system of connection and severance was spoken about by participants, with the motorway being described by turns as a force for both connection and severance. We conclude that new transport infrastructure is complex, embedded, and plausibly causally related to connectedness and health. Our findings suggest the potential for a novel mechanism through which severance is enacted: the disruptive impacts that a new road may have on third places of social connection locally, even when it does not physically sever them. This supports social theories that urge a move away from conceptualising social connectedness in terms of the local neighbourhood only, towards an understanding of how we live and engage dynamically with services and people in a much wider geographical area, and may have implications for local active travel and health through changes in social connectedness. PMID- 29222999 TI - The symbolic affordances of a video-mediated gaze in emergency psychiatry. AB - While mental illness is a significant health challenge worldwide, the availability of specialists is limited, especially in rural areas and for psychiatric emergencies. Although tele-psychiatry, via real-time videoconferencing (VC), is used to provide consultative services in areas that lack psychiatrists, there are a paucity of studies on the use of VC for psychiatric emergencies. We examine how VC matters for patient involvement and professional practice in the first Norwegian emergency tele-psychiatric service. Through a decentralised on-call system, psychiatrists are accessible 24/7 by telephone and VC for patients and nurses in regional psychiatry centres. Based on 29 interviews with patients, psychiatrists and nurses, this article addresses how participation is fostered by VC, and how it may change the social dynamics of therapeutic emergency encounters. We identified four contributions of the 'video mediated gaze' in the therapeutic encounter including those of the: (1) immediacy of assessment, (2) increased transparency, (3) sense of access to the 'real' expert, and (4) fostering of the patient's 'voice' in therapeutic decisions. These VC inflections of the therapeutic encounter are a mix of the pragmatic (1 and 2) and the symbolic (3 and 4), assembling in these contexts to foster patient centeredness. With a sociological approach to video-conferenced emergency psychiatry, the identification of symbolic affordances adds necessary nuances to the application of new technologies into fragile therapeutic communication. PMID- 29223000 TI - Bilateral preictal signature of phase-amplitude coupling in canine epilepsy. AB - Seizure forecasting would improve the quality of life of patients with refractory epilepsy. Although early findings were optimistic, no single feature has been found capable of individually characterizing brain dynamics during transition to seizure. Cross-frequency phase amplitude coupling has been recently proposed as a precursor of seizure activity. This work evaluates the existence of a statistically significant difference in mean phase amplitude coupling distribution between the preictal and interictal states of seizures in dogs with bilaterally implanted intracranial electrodes. Results show a statistically significant change (p<0.05) of phase amplitude coupling during the preictal phase. This change is correlated with the position of implanted electrodes and is more significant within high-gamma frequency bands. These findings highlight the potential benefit of bilateral iEEG analysis and the feasibility of seizure forecasting based on slow modulation of high frequency amplitude. PMID- 29223001 TI - A content analysis of thinspiration images and text posts on Tumblr. AB - Thinspiration is content advocating extreme weight loss by means of images and/or text posts. While past content analyses have examined thinspiration content on social media and other websites, no research to date has examined thinspiration content on Tumblr. Over the course of a week, 222 images and text posts were collected after entering the keyword 'thinspiration' into the Tumblr search bar. These images were then rated on a variety of characteristics. The majority of thinspiration images included a thin woman adhering to culturally based beauty, often posing in a manner that accentuated her thinness or sexuality. The most common themes for thinspiration text posts included dieting/restraint, weight loss, food guilt, and body guilt. The thinspiration content on Tumblr appears to be consistent with that on other mediums. Future research should utilize experimental methods to examine the potential effects of consuming thinspiration content on Tumblr. PMID- 29223003 TI - Steroidogenic factor-1 inverse agonists as a treatment option for canine hypercortisolism: in vitro study. AB - Hypercortisolism is one of the most commonly diagnosed endocrinopathies in dogs, and new targeted medical treatment options are desirable. Steroidogenic factor-1 (SF-1), an orphan nuclear hormone receptor, is a key regulator of adrenal steroidogenesis, development, and growth. In pituitary-dependent hypercortisolism (PDH), high plasma ACTH concentrations increase the transcriptional activity of SF-1. In adrenal-dependent hypercortisolism, SF-1 expression is significantly greater in dogs with recurrence after adrenalectomy than in those without recurrence. Inhibition of SF-1 could therefore be an interesting treatment option in canine spontaneous hypercortisolism. We determined the effects of 3 SF-1 inverse agonists, compounds IsoQ A, #31, and #32, on cortisol production, on the messenger RNA (mRNA) expression of steroidogenic enzymes and SFs, and on cell viability, in primary adrenocortical cell cultures of 8 normal adrenal glands and of 3 cortisol-secreting adrenocortical tumors (ATs). To mimic PDH, the normal adrenocortical cell cultures were stimulated with ACTH. The results show that only compound #31 inhibited cortisol production and SF-1 target gene expression in non-ACTH-stimulated and ACTH-stimulated normal adrenocortical cells but did not affect cell viability. In the AT cell cultures, the effects of #31 on cortisol production and target gene expression were variable, possibly caused by a difference in the SF-1 mRNA expressions of the primary tumors. In conclusion, inhibition of SF-1 activity shows much promise as a future treatment for canine hypercortisolism. PMID- 29223002 TI - Basal and reactivity levels of cortisol in one-month-old infants born to overweight or obese mothers from an ethnically and racially diverse, low-income community sample. AB - Establishing typical values of the steroid hormone cortisol at rest and after challenge is critical for understanding how environmental factors impact stress regulation and overall development, beginning at birth. Yet most extant samples are small or based upon low-risk populations, and few studies address the potential role of maternal weight during pregnancy in their study designs or sampling strategy. Here we report basal and reactivity levels of salivary cortisol within a racially and ethnically diverse sample of 132 infants approximately one month of age (Age in days: M=37.61, SD=7.27) born to lower income overweight or obese mothers. Reactivity was assessed in response to a multi-domain infant stressor paradigm, which included assessment via the Newborn Behavioral Observation (NBO) system and extensive anthropometric measurements. Sample means for basal, post stressors, and reactivity to the NBO were significantly lower than those reported in reviews of low-risk samples. Parity was associated with cortisol levels such that first-born infants had lower resting cortisol and higher reactivity than infants born to multiparous women. Latino infants had lower basal cortisol. No other demographic characteristics significantly predicted cortisol. The variability in cortisol levels present in this sample suggests that considerable psychophysiological diversity may exist in samples of low-SES or high-risk participants. Findings provide useful ranges for samples of racially and ethnically diverse newborns from low-income families. PMID- 29223004 TI - Towards utilization of the human genome and microbiome for personalized nutrition. AB - Generalized dietary and lifestyle guidelines have been formulated and published for decades now from a variety of relevant agencies in an attempt to guide people towards healthy choices. As the pandemic rise in metabolic diseases continues to increase, it has become clear that the one-fit-for-all diet approach does not work and that there is a significant variation in inter-individual responses to diet and lifestyle interventions. Recent technological advances have given an unprecedented insight into the sources of this variation, pointing towards our genome and microbiome as potentially and previously under-explored culprits contributing to individually unique dietary responses. Variations in our genome influence the bioavailability and metabolism of nutrients between individuals, while inter-individual compositional variation of commensal gut microbiota leads to different microbe functional potential, metabolite production and metabolism modulation. Quantifying and incorporating these factors into a comprehensive personalized nutrition approach may enable practitioners to rationally incorporate individual nutritional recommendations in combating the metabolic syndrome pandemic. PMID- 29223005 TI - The emerging role of systems biology for engineering protein production in CHO cells. AB - To meet the ever-growing demand for effective, safe, and affordable protein therapeutics, decades of intense efforts have aimed to maximize the quantity and quality of recombinant proteins produced in CHO cells. Bioprocessing innovations and cell engineering efforts have improved product titer; however, uncharacterized cellular processes and gene regulatory mechanisms still hinder cell growth, specific productivity, and protein quality. Herein, we summarize recent advances in systems biology and data-driven approaches aiming to unravel how molecular pathways, cellular processes, and extrinsic factors (e.g. media supplementation) influence recombinant protein production. In particular, as the available omics data for CHO cells continue to grow, predictive models and screens will be increasingly used to unravel the biological drivers of protein production, which can be used with emerging genome editing technologies to rationally engineer cells to further control the quantity, quality and affordability of many biologic drugs. PMID- 29223007 TI - Examining health service utilization, hospital treatment cost, and mortality of individuals with epilepsy and status epilepticus in New South Wales, Australia 2012-2016. AB - This study examined the health service utilization and hospital treatment cost of individuals with epilepsy by age group, mortality within 30days, and surgical outcomes for individuals with refractory epilepsy in New South Wales (NSW), Australia. A retrospective examination of linked hospitalization and mortality data for individuals hospitalized with a diagnosis of epilepsy during 2012-2016. Hospitalized incidence rates per 1000 population were calculated, and negative binomial regression was used to examine temporal trends. Mortality within 30days of hospitalization was identified, along with cause of death. There were 44,722 hospitalizations during the five-year period, with a hospitalization rate of 85.6 per 1000 population (95% confidence interval (CI): 84.7-86.4). Total hospital treatment costs were AUD$402.9 million. Children aged <=17years accounted for 32.0% of hospitalizations. Just over half to two-thirds of hospitalizations for each age group were for a principal diagnosis of epilepsy, with 2976 hospitalizations of individuals for status epilepticus. The overall mean hospital length of stay (LOS) for epilepsy hospitalizations was 5.1days (standard deviation (SD)=9.0). Thirty-day mortality was highest for individuals aged >=65years (6.7%), and epilepsy was identified as the underlying cause of death for 18.2% of deaths. This research has provided insight into the healthcare utilization profiles of individuals with epilepsy at different ages. Epilepsy hospitalizations constitute a substantial cost to the healthcare system, and better overall management of seizures and comorbid conditions is likely to lead to a reduction in the need for hospitalization. PMID- 29223006 TI - The Temple Star Transitional Model of Care for epilepsy; the outcome of a quality improvement project. AB - OBJECTIVE: The aim and objective of this study was to assess the knowledge and views of parents on transitional and adolescent care in young adults with epilepsy, and to develop a transitional and adolescent program for epilepsy. METHODS: Data were collected from questionnaires completed by parents during focus groups exploring transitional care and inherent issues for young adults, aged 12-18years, with epilepsy. The questionnaire assessed the current knowledge and views of parents of children with epilepsy on transitional care, and following a presentation on "Transition in Epilepsy" (including themes such as self-advocacy, independent healthcare behavior, sexual health, psychosocial support, educational and vocational planning, health and lifestyle issues) assessed feedback on the proposed model of care in transitional and adolescent care. RESULTS: Data were collected from 34 parents; the majority of parents, 74% (n=25), wish their children to be transitioned and transferred over to the adult epilepsy sites at the age of 18years. Over 82% (n=28) of parents believe the concept of transition should be introduced between the ages of 12-16years. CONCLUSION: This quality improvement initiative identified the need for transitional care to begin at an early age. This study engaged parents in a process to improve adolescent and transitional care for adolescents with epilepsy. This study also highlights the importance of introducing a detailed preparatory phase for a transitional and adolescent care in epilepsy. PMID- 29223008 TI - Single molecule force spectroscopy: a new tool for bioinorganic chemistry. AB - Metalloproteins are essential in biology. The incorporation of metal ion into metalloproteins significantly expands protein functionality and enhances protein stability. Over the last few years, atomic force microscopy-based single molecule force spectroscopy (SMFS) has evolved into a unique tool allowing for probing metalloproteins and metalligand bonds one molecule/bond at a time. Mechanical strength of a wide variety of metalligand bonds has been measured in metal-ligand complexes as well as in metalloproteins, providing detailed information of their underlying free energy profiles and the influence of the protein environment on the bond strength. SMFS experiments have directly demonstrated the effect of the metal binding on the mechanical stability of proteins. Moreover, SMFS has enabled the direct observation of the unfolding and folding of metalloproteins, revealing detailed mechanistic insight into the unfolding pathways modulated by the metal center. PMID- 29223009 TI - Influence of spermatozoal lipidomic profile on the cryoresistance of frozen spermatozoa from stallions. AB - The membrane of spermatozoa, which contributes to cellular cryoresistance, contains numerous lipids with a composition that directly affects membrane fluidity and the fertilization process. In light of variations in the degree of sensitivity in equine seminal freezing, this study aimed to correlate equine semen lipids with post-thawing characteristics of spermatozoa. We used ejaculates from 34 stallions, which were evaluated (total motility >= 60%), frozen and thawed and reevaluated for motility of spermatozoa, membrane integrity and lipid peroxidation. Lipid extraction of the fresh semen samples was performed by liquid liquid extraction, and fingerprinting lipid analysis was conducted by matrix assisted laser desorption/ionization mass spectrometry (MALDI-MS). Based on the characteristics of spermatozoa after thawing, the animals could be separated into two groups: resistant (Good Freezers, n = 5) and sensitive (Bad Freezers, n = 6) to freezing, and their MALDI-MS data were then compared. The Good Freezers group showed a higher abundance of phosphatidylcholines (m/z 796.6, 846.6, 810.6, 854.6 and 732.6). The ions of m/z 812.6, 832.6, 836.6 and 838.6 belonging to the phosphatidylcholine lipid class were also positively correlated with motility of spermatozoa, whereas that of m/z 794.6 was negatively correlated with lipid peroxidation in thawed semen. The Bad Freezer group, displayed higher abundance of one phosphatidylcholines (m/z 806.6), as well as a sphingomyelins (m/z 703.5), which were negatively correlated (univariate analysis) with kinetics of spermatozoa after thawing (m/z 703.5) and with membrane integrity (m/z 792.6). The ion of m/z 717.5, assigned to phosphatidic acid, was negatively correlated with lipid peroxidation. In general therefore, the phosphatidylcholines are associated with higher quality of spermatozoa after thawing, especially in functional capacity, and that lipid semen composition was found to influence the resistance of spermatozoa to cryopreservation and may interfere with motility, membrane integrity and lipid peroxidation in stallions. PMID- 29223010 TI - Pelvic abscess complicating sigmoid colon perforation by migrating intrauterine device: A case report and review of the literature. AB - INTRODUCTION: Intrauterine devices (IUDs) are commonly used as a contraceptive method. However, they may cause rare but potentially serious complications such as migration through the uterine wall and gastrointestinal perforation. PRESENTATION OF CASE: We report a case of a 26-year woman, carrying an IUD for 2 years, who presented to the emergency with pelvic pain with breakthrough bleeding. Abdominal imaging revealed the presence of two devices the first of which was located in the uterine cavity and the other in the wall of the sigmoid colon associated with a 5-centimeter pelvic collection. Intraoperatively, the IUD was found to be embedded in the wall of the sigmoid colon which was removed by wedge resection of the involved segment followed by a closure of the puncture with drainage. DISCUSSION: The Intrauterine Device (IUD) is an effective method of contraception, relatively well tolerated, reversible, inexpensive and widely used. However, it is not without risk. Indeed, serious complications can occur such as uterine perforation and migration to adjacent abdomino-pelvic structures. Our observation illustrates its rarity given the fact that this complication has been observed the first time in our department over the last ten years. CONCLUSION: The migration of IUD must be treated even in asymptomatic patients due to the risk of severe complications. PMID- 29223011 TI - Veno-venous ECMO during surgical repair of tracheal perforation: A case report. AB - INTRODUCTION: Extracorporeal membrane oxygenation (ECMO) is used extensively in cardiothoracic surgery both for hemodynamic and respiratory support. It has proven to be a valuable tool to maintain adequate oxygenation during tracheal surgery. Airway lesion may be an indication for veno-venous ECMO both in case of conservative management and in case of surgical repair. Here we report the case of a patient with a iatrogenic tracheal injury, successfully operated with the support of veno-venous extracorporeal oxygenation. PRESENTATION OF CASE: A 39 year-old female underwent an elective laparoscopic adhesiolysis. At the end of the procedure, the patient had developed subcutaneous emphysema. A CT-scan showed mediastinal and subcutaneous emphysema and left pneumothorax with a laceration of the membranous portion of the middle third of the trachea. A left pleural drain was inserted and a bronchoscopy showed a 2-cm long tear of the membranous portion in the middle third of the trachea. Veno-venous ECMO was established and surgical repair of the tracheal lesion was performed. Post-operative recovery was uneventful and the patient was discharged on 8th postoperative day. DISCUSSION: The use of Veno-venous ECMO allowed a safe intubation with optimal oxygenation. A selective intubation with a small tube was performed to prevent further tracheal injury and allow an adequate surgical space for tracheal repair. CONCLUSION: The use of ECMO support represents a safe and effective way to manage patients with ITI when surgical repair with minimally invasive ventilation is needed. Since this is a case report larger studies are needed to validate the technique. PMID- 29223012 TI - Support vector machine with Dirichlet feature mapping. AB - The Support Vector Machine (SVM) is a supervised learning algorithm to analyze data and recognize patterns. The standard SVM suffers from some limitations in nonlinear classification problems. To tackle these limitations, the nonlinear form of the SVM poses a modified machine based on the kernel functions or other nonlinear feature mappings obviating the mentioned imperfection. However, choosing an efficient kernel or feature mapping function is strongly dependent on data structure. Thus, a flexible feature mapping can be confidently applied in different types of data structures without challenging a kernel selection and its tuning. This paper introduces a new flexible feature mapping approach based on the Dirichlet distribution in order to develop an efficient SVM for nonlinear data structures. To determine the parameters of the Dirichlet mapping, a tuning technique is employed based on the maximum likelihood estimation and Newton's optimization method. The numerical results illustrate the superiority of the proposed machine in terms of the accuracy and relative error rate measures in comparison to the traditional ones. PMID- 29223013 TI - Effectiveness of flipped classrooms in Chinese baccalaureate nursing education: A meta-analysis of randomized controlled trials. AB - BACKGROUND: In recent years, the flipped classroom approach has been broadly applied to nursing courses in China. However, a systematic and quantitative assessment of the outcomes of this approach has not been conducted. OBJECTIVE: The purpose of the meta-analysis is to evaluate the effectiveness of the flipped classroom pedagogy in Chinese baccalaureate nursing education. DESIGN: Meta analysis of randomized controlled studies. DATA SOURCE: All randomized controlled trials relevant to the use of flipped classrooms in Chinese nursing education were retrieved from the following databases from their date of inception through September 23, 2017: PubMed, EMBASE, the Cochrane Central Register of Controlled Trials, CINAHL, the China National Knowledge Infrastructure, the Wanfang Database, and the Chinese Scientific Journals Database. Search terms including "flipp*", "inverted", "classroom", and "nurs*" were used to identify potential studies. We also manually searched the reference lists of the retrieved articles to identify potentially relevant studies. REVIEW METHODS: Two reviewers independently assessed the eligibility of each study and extracted the data. The Cochrane risk-of-bias tool was used to evaluate the quality of the studies. RevMan (Version 5.3) was used to analyze the data. Theoretical knowledge scores and skill scores (continuous data) were synthesized using the standardized mean difference (SMD) and 95% confidence interval (CI). The statistical heterogeneity of the included studies was analyzed by calculating the I2 statistic and applying a chi-square test. Publication bias was assessed by funnel plots. The quality of the combined results was evaluated using the Grading of Recommendations Assessment, Development and Evaluation system. RESULTS: Eleven randomized controlled trials published between 2015 and 2017 were selected. All the included studies had a moderate possibility of bias due to low methodological quality. The meta-analysis indicated that the theoretical knowledge scores and skill scores were significantly higher in the flipped classroom group than in the traditional lectures group (SMD=1.06, 95% CI: 0.70-1.41, P <0.001, and SMD=1.40, 95% CI: 0.46 2.34, P <0.001). There was no significant publication bias indicated in the primary analysis. Sensitivity analysis showed that the results of our meta analysis were reliable. The evidence grades of the results regarding the theoretical knowledge and skill scores were low and very low, respectively. CONCLUSION: Flipped classroom pedagogy is more effective than traditional lectures at improving students' theoretical knowledge and skill scores. Given the limitations of the included studies, more robust randomized controlled trials are warranted in a variety of educational settings to confirm our findings. PMID- 29223014 TI - Differentiation of dry-cured hams from different processing methods by means of volatile compounds, physico-chemical and sensory analysis. AB - The aim of this study was to characterize dry-cured hams from four different processing methods (differences in primary leg treatment, salting and smoking phase). Volatile compounds were isolated by using headspace-solid phase microextraction and analysed by gas chromatography/mass spectrometry (GC/MS). Samples were also evaluated by sensory and physico-chemical characteristics (moisture, protein, fat and NaCl content, aw, colour). 149 volatile compounds of dry-cured hams were identified and 15 of them were quantified. Identified volatile compounds belonged to several classes of chemical: 25 aldehydes, 18 phenols, 12 alcohols, 16 terpenes, 27 aromatic hydrocarbons, 18 aliphatic hydrocarbons, 17 ketones, 9 esters and 7 acids. Most abundant volatiles in ham samples were aldehydes (34.46-49.78%). Principal component analysis showed a good separation among groups. Smoked dry-cured hams showed a higher content of phenols, aromatic hydrocarbons, and acids and were characterized by smoky aroma, while non-smoked dry-cured hams showed higher content of terpenes, ketones, alcohols, esters, aliphatic hydrocarbons and were characterized with spicy aroma. PMID- 29223015 TI - Thiamine accumulation and thiamine triphosphate decline occur in parallel with ATP exhaustion during postmortem aging of pork muscles. AB - We aimed to clarify the mechanisms affecting postmortem thiamine and its phosphoester contents in major edible pork muscles, namely the longissimus lumborum (LL) in addition to vastus intermedius (VI). Metabolomic analysis by capillary electrophoresis-time of flight mass spectrometry revealed that the level of thiamine triphosphate (ThTP), approximately 1.8-fold higher in LL than in VI muscle at 0h postmortem, declined in the first 24hrs, resulting in an undetectable level at 168h postmortem in both muscles. In contrast, the thiamine content in both muscles increased after 24h postmortem during the aging process. The thiamine accumulation and ThTP decline progressed in parallel with a drastic reduction of the ATP level. The intermuscular differences in pH at 24h and in expression of thiamine transporter and thiamine pyrophosphokinase might result in delayed thiamine generation in LL. These results suggest that postmortem ATP exhaustion forced ThTP hydrolysis and further depyrophosphorylation of thiamine diphosphate in the porcine muscles, which resulted in thiamine accumulation. PMID- 29223016 TI - Application of single nucleotide extension and MALDI-TOF mass spectrometry in proofreading and DNA repair assay. AB - Proofreading and DNA repair are important factors in maintaining the high fidelity of genetic information during DNA replication. Herein, we designed a non labeled and non-radio-isotopic simple method to measure proofreading. An oligonucleotide primer is annealed to a template DNA forming a mismatched site and is proofread by Klenow fragment of Escherichia coli DNA polymerase I (pol I) in the presence of all four dideoxyribonucleotide triphosphates. The proofreading excision products and re-synthesis products of single nucleotide extension are subjected to MALDI-TOF mass spectrometry (MS). The proofreading at the mismatched site is identified by the mass change of the primer. We examined proofreading of Klenow fragment with DNAs containing various base mismatches. Single mismatches at the primer terminus can be proofread efficiently. Internal single mismatches can also be proofread at different efficiencies, with the best correction for mismatches located 2-4-nucleotides from the primer terminus. For mismatches located 5-nucleotides from the primer terminus there was partial correction and extension. No significant proofreading was observed for mismatches located 6-9 nucleotides from the primer terminus. We also subjected primers containing 3' penultimate deoxyinosine (dI) lesions, which mimic endonuclease V nicked repair intermediates, to pol I repair assay. The results showed that T-I was a better substrate than G-I and A-I, however C-I was refractory to repair. The high resolution of MS results clearly demonstrated that all the penultimate T-I, G-I and A-I substrates had been excised last 2 dI-containing nucleotides by pol I before adding a correct ddNMP, however, pol I proofreading exonuclease tolerated the penultimate C-I mismatch allowing the primer to be extended by polymerase activity. PMID- 29223018 TI - Targeting oxidant-dependent mechanisms for the treatment of respiratory diseases and their comorbidities. AB - Oxidative stress is implicated in the pathogenesis of respiratory diseases, such as COPD and its comorbidities, asthma, idiopathic pulmonary fibrosis and radiation pneumonitis. Antioxidants drugs, such as small molecule thiols, nuclear erythroid-2 related factor 2 activators and catalytic enzyme mimetics have been developed to target oxidant-dependent mechanisms. The therapeutic effects of antioxidants have been generally disappointing. A small number of antioxidants are approved for clinical use, such as the small molecule thiol N-acetyl-l cysteine for chronic obstructive pulmonary disease, and in the United States, the superoxide dismutase mimetic AEOL 10150 for severe radiation pneumonitis. The future use of antioxidants for the treatment of chronic respiratory diseases may require a precision medicine approach to identify responsive patients. PMID- 29223017 TI - Biceps femoris fascicle length during passive stretching. AB - The purpose of this study was to quantify the relative changes in fascicle (FL) and muscle-tendon unit (LMTU) length of the long head of the biceps femoris (BFlh) at different combinations of hip and knee joint positions. Fourteen participants performed passive knee extension trials from 0 degrees , 45 degrees and 90 degrees of hip flexion. FL, LMTU, pennation angle (PA) and effective FL (FL multiplied by the cosine of the PA) of the BFlh were quantified using ultrasonography (US). Three-way analysis of variance designs indicated that at each hip angle, FL and LMTU increased and PA decreased from 90 degrees to 0 degrees of knee flexion. Increasing hip flexion angle from 0 degrees to 90 degrees led to a higher FL and LMTU and a lower PA (p < .05). The average lengthening of the LMTU and effective FL was 28.00 +/- 1.82% and 85.88 +/- 21.92%, respectively. The average effective FL change accounted for 51.36 +/- 7.39% of LMTU change. The relationship between effective FL and LMTU was almost linear with a slope equal to 0.49 +/- 0.06 (r2 = 0.52 to 0.97). To achieve greater lengthening of the fascicles of the BFlh, passive stretch with the hip flexed at least 45 degrees and the knee reaching full extension is necessary. PMID- 29223019 TI - Are pathological high-risk features in locally advanced rectal cancer a useful selection tool for adjuvant chemotherapy? AB - BACKGROUND: Several histological high-risk factors are used as an indication for adjuvant therapy in stage II colon cancer. Those and other factors, including lymphatic invasion, perineural invasion (PNI), venous invasion and tumour budding are associated with decreased outcome. In this study, we evaluated the prognostic and predictive values of these biomarkers in a cohort of rectal cancer patients. MATERIALS AND METHODS: The trial-based cohort consisted of 221npTNM stage II-III rectal cancer patients, included in the PROCTOR/SCRIPT trial, a multicentre randomised phase III trial. Patients treated with neoadjuvant radiotherapy and TME surgery were randomised between adjuvant chemotherapy or observation. Lymphatic invasion, PNI, extramural venous invasion, intramural venous invasion and tumour budding were determined in standard tissue slides. RESULTS: The presence of PNI (HR 3.36; 95% CI 1.82-6.21), extramural vascular invasion (HR 1.93; 95% CI 1.17-3.19) and tumour budding (HR 1.83, 95% CI 1.11-3.03) was associated with a significant worse overall survival. The presence of >=2 adverse biomarkers resulted in a stronger prediction of adverse outcome in terms of overall survival (HR 2.82; 95% CI 1.66-4.79), disease-free survival (HR 2.27; 95% CI 1.47-3.48), and distant recurrence (HR 2.51; 95% CI 1.56-4.02). None of these markers alone or combined predicted a beneficial effect of adjuvant chemotherapy. DISCUSSION: We confirmed that several stage-independent biomarkers were significantly associated with a decreased outcome in rectal cancer patients. More importantly, these markers did not have predictive value and are thus not useful to select for adjuvant therapy in rectal cancer. PMID- 29223020 TI - Depressive symptoms, impaired glucose metabolism, high visceral fat, and high systolic blood pressure in a subgroup of women with recent gestational diabetes. AB - Women with gestational diabetes (GDM) are a high risk group for early type 2 diabetes (T2D). Depression is a risk factor for T2D in the general population. We investigated in women after a recent pregnancy with GDM and without a clinical diagnosis of depression, whether mild to moderate depressive symptoms associate with pathologic glucose metabolism. In a cross-sectional analysis, we examined 173 women, 9 +/- 3 months after delivery with several psychopathological assessments, 5-point oral glucose tolerance test with insulin, anthropometrics, and laboratory chemistry. In a subgroup of 101 women, abdominal visceral fat was quantified by magnetic resonance imaging (MRI). A total of 22 women (13%) showed mild to moderate depressive symptoms, and the proportion of women with pathologic glucose metabolism (impaired fasting glucose, impaired glucose tolerance, or T2D) was higher in this group than in the women without depressive symptoms (59.1% vs. 33.1%, p = 0.018). Women with depressive symptoms also had higher body mass index (BMI), systolic blood pressure, plasma leptin, plasma resistin, and abdominal visceral fat volume. Pathologic glucose metabolism (OR = 2.594, 95% CI: 1.021 6.592), systolic blood pressure (OR = 1.076, 95% CI: 1.027-1.128), and abdominal visceral fat volume (OR = 2.491, 95% CI: 1.142-5.433) remained, even after adjustment for BMI, associated with the presence of depressive symptoms. Taken together, we found depressive symptoms at a level not generally diagnosed in clinical practice in a subgroup of women with recent GDM. This subgroup also showed an unfavorable metabolic profile. Mild to moderate depressive symptoms may therefore help to identify this special subgroup. PMID- 29223021 TI - Pre-treatment of soybean plants with calcium stimulates ROS responses and mitigates infection by Sclerotinia sclerotiorum. AB - Considering the high incidence of white mold caused by Sclerotinia sclerotiorum in a variety of field crops and vegetables, different control strategies are needed to keep the disease under economical threshold. This study assessed the effect of foliar application of a calcium formulation on disease symptoms, oxalic acid production, and on the oxidative stress metabolism in soybean plants inoculated with each of two isolates of the pathogen that have contrasting aggressiveness (HA, highly-aggressive versus WA, weakly-aggressive). Changes in reactive oxygen species (ROS) levels in soybean plants inoculated with S. sclerotiorum isolates were assessed at 6, 24, 48 and 72 h post inoculation (hpi). Generation of ROS including hydrogen peroxide (H2O2), anion superoxide (O2-) and hydroxyl radical (OH) was evaluated. Inoculation with the WA isolate resulted in more ROS accumulation compared to the HA isolate. Pre-treatment with the calcium formulation restored ROS production in plants inoculated with the HA isolate. We also noted a marked decrease in oxalic acid content in the leaves inoculated with the HA isolate in presence of calcium, which coincided with an increase in plant ROS production. The expression patterns of genes involved in ROS detoxification in response to the calcium treatments and/or inoculation with S. Sclerotiorum isolates were monitored by RT-qPCR. All of the tested genes showed a higher expression in response to inoculation with the WA isolate. The expression of most genes tested peaked at 6 hpi, which preceded ROS accumulation in the soybean leaves. Overall, these data suggest that foliar application of calcium contributes to a decrease in oxalic acid production and disease, arguably via modulation of the ROS metabolism. PMID- 29223022 TI - Next generation industrial biotechnology based on extremophilic bacteria. AB - Industrial biotechnology aims to produce bulk chemicals including polymeric materials and biofuels based on bioprocessing sustainable agriculture products such as starch, fatty acids and/or cellulose. However, traditional bioprocesses require bioreactors made of stainless steel, complicated sterilization, difficult and expensive separation procedures as well as well-trained engineers that are able to conduct bioprocessing under sterile conditions, reducing the competitiveness of the bio-products. Amid the continuous low petroleum price, next generation industrial biotechnology (NGIB) allows bioprocessing to be conducted under unsterile (open) conditions using ceramic, cement or plastic bioreactors in a continuous way, it should be an energy, water and substrate saving technology with convenient operation procedure. NGIB also requires less capital investment and reduces demand on highly trained engineers. The foundation for the simplified NGIB is microorganisms that resist contaminations by other microbes, one of the examples is rapid growing halophilic bacteria inoculated under high salt concentration and alkali pH. They have been engineered to produce multiple products in various scales. PMID- 29223023 TI - Live cell imaging reveals different modes of cytotoxic action of extracts derived from commonly used luting cements. AB - OBJECTIVE: To compare cytotoxicity of extracts derived from commonly used luting cements: Hoffmann's Zinc Phosphate (ZPC), GC Fuji Plus Resin Modified Glass Ionomer (RMGIC) and 3M ESPE RelyX Unicem Resin Cement (RC) on primary human gingival fibroblasts (HGFs). DESIGN: HGFs were exposed to different concentrations of the ZPC, RMGIC and RC extracts. The cytotoxicity was assessed with the PrestoBlue Cell Viability Reagent and viable cells were counted by a haemocytometer using the trypan blue exclusion test. In order to determine the primary mechanism of the cell death induced by extracts from different luting cements, the real-time monitoring of caspase-3/-7 activity and membrane integrity of cells was employed. RESULTS: The extracts from the RMGIC and ZPC decreased the metabolic activity and numbers of viable cells. Unexpectedly, the extracts from the RC evoked only small effects on the metabolic activity of HGFs with a decreasing number of viable cells in a dose-and time-dependent manner. The live cell imaging revealed that the apoptosis was the primary mechanism of a cell death induced by the extracts derived from the RMGIC, whereas the extracts from the RC and ZPC induced a cell death through a necrotic and caspase-independent pathway. CONCLUSIONS: The apoptosis was the primary mechanism of the cell death induced by the extracts derived from the RMGIC, whereas the extracts from the RC and ZPC induced a cell death via a necrotic pathway. We suggest that metabolic assays commonly used to assess the cytotoxicity of luting cements should be validated by alternative methods. PMID- 29223024 TI - Genomic integration and expression of the Aggregatibacter actinomycetemcomitans catalase gene in Aggregatibacter aphrophilus. AB - OBJECTIVE: To test the hypothesis that virulence genes of Aggregatibacter actinomycetemcomitans can be expressed and confer fitness advantages in the closely related Aggregatibacter aphrophilus. DESIGN: Clinical isolates of A. aphrophilus were screened for natural competence with marked genomic DNA from A. actinomycetemcomitans and A. aphrophilus. The gene katA of A. actinomycetemcomitans D7S-1 and its flanking regions were constructed and inserted into a comparable locus in the genome of a naturally competent A. aphrophilus strain by a markerless protocol via natural transformation. Mutants of A. actinomycetemcomitans with or without katA were also constructed by a similar protocol. Discs soaked with either 0.03% hydrogen peroxide or broth culture of Streptococcus gordonii Challis were placed on the agar with cultures of A. actinomycetemcomitans or A. aphrophilus. The size of the growth inhibition zone associated with the disc was measured after 2-day culture. RESULTS: Five of the 13A. aphrophilus strains exhibited a transformation frequency of 10-6 or higher. The intra- and inter-species transformation frequencies were comparable. The inhibition zones for katA-negative strains of A. actinomycetemcomitans or A. aphrophilus were 3- to 7-fold larger than those associated with katA-positive strains (p<0.05). CONCLUSIONS: There was no apparent species barrier for the transfer and expression of A. actinomycetemcomitans katA in A. aphrophilus. The inserted A. actinomycetemcomitans-specific katA gene in A. aphrophilus strain NJ8700 conferred resistance to inhibition by hydrogen peroxide or S. gordonii. The potential to swap genes between these two closely related oral species may be an alternative approach for investigating the virulence determinants of A. actinomycetemcomitans. PMID- 29223026 TI - Mandatory helmet legislation as a policy tool for reducing motorcycle fatalities: Pinpointing the efficacy of universal helmet laws. AB - This study uses repeated cross-sections of individual level crash data to study the effectiveness of motorcycle helmet legislation. Results suggest that motorcycle helmet laws reduce average individual fatality risks by 20.5%. From a policy standpoint, large states such as Florida and Texas can reduce annual motorcycle fatalities by an average 100 deaths through reinstating universal helmet laws. Valuing these fatality reductions at the U.S. DOT suggested $9.4 million value of a statistical life yields aggregate annual state benefits of approximately $940 million. The effectiveness of helmet legislation can be attributed to the technological efficacy of helmets as well as enhancing behavior in the form of reduced risk taking among motorcyclists. Specifically, motorcyclists who use helmets in order to comply with mandatory helmet laws are 29.8% less likely to receive a traffic citation for risky driving behavior (speeding, alcohol, etc.), travel at a 6 mph lower average speed, and have a 47.4% reduction in the probability of "severely" damaging their motorcycle in a crash. PMID- 29223025 TI - The intersection between response inhibition and substance use among adolescents. AB - Problems related to the capacity to successfully engage response inhibition are considered a risk factor for the development of substance use disorders (SUDs), but the evidence has been predominantly cross-sectional. In this commentary, we argue that recent longitudinal studies with multi-modal measures of response inhibition can improve understanding of how response inhibition may intersect with substance use among adolescents. Most Stop-Signal studies suggest that slower response inhibition predicts substance use progressions, with one multi site study showing greater fronto-parietal activity indicative of risk. Most Go NoGo studies suggest that blunted activation of prefrontal cortical areas during response inhibition predicts substance use progressions, while commission errors are less effective in identifying adolescents at risk. Studies differ in subject populations, outcome measures, statistical methods, and BOLD response contrasts, which challenge the capacity to compare and generalize findings. We encourage research teams throughout the globe to undertake multi-modal, longitudinal studies to assess brain functioning with large sample sizes, and when possible, before significant substance use potentially obscures interpretation of findings. Systematic review and meta-analysis of this growing literature are also important goals for future research. PMID- 29223027 TI - Burden of injury of serious road injuries in six EU countries. AB - BACKGROUND: Information about the burden of (non-fatal) road traffic injury is very useful to further improve road safety policy. Previous studies calculated the burden of injury in individual countries. This paper estimates and compares the burden of non-fatal serious road traffic injuries in six EU countries/regions: Austria, Belgium, England, The Netherlands, the Rhone region in France and Spain. METHODS: It is a cross-sectional study based on hospital discharge databases. POPULATION: of study are patients hospitalized with MAIS3+ due to road traffic injuries. The burden of injury (expressed in years lived with disability (YLD)) is calculated applying a method that is developed within the INTEGRIS study. The method assigns estimated disability information to the casualties using the EUROCOST injury classification. RESULTS: The average burden per MAIS3+ casualty varies between 2.4 YLD and 3.2 YLD per casualty. About 90% of the total burden of injury of MAIS3+ casualties is due to lifelong consequences that are experienced by 19% to 33% of the MAIS3+ casualties. Head injuries, spinal cord injuries and injuries to the lower extremities are responsible for more than 90% of the total burden of MAIS3+ road traffic injuries. Results per transport mode differ between the countries. Differences between countries are mainly due to differences in age distribution and in the distribution over EUROCOST injury groups of the casualties. CONCLUSION: The analyses presented in this paper can support further improvement of road safety policy. Countermeasures could for example be focused at reducing skull and brain injuries, spinal cord injuries and injuries to the lower extremities, as these injuries are responsible for more than 90% of the total burden of injury of MAIS3+ casualties. PMID- 29223028 TI - Accident rates and the impact of daylight saving time transitions. AB - One-third of nations have adopted some form of Daylight Saving Time (DST). Associated costs and benefits include impacts on accident rates. Using data from 12.6 million accident claims in New Zealand during 2005-2016, we model accident rates as a function of various date-based predictors including days before/after the start and end of DST, holidays, day of week, and month of year. This is the first study to consider multiple accident categories (Road, Work, Falls and Home & Community), and the first in the southern hemisphere. The start of DST is associated with significantly higher rates of road accidents (first day +16% and second day +12%). Evidence that accident rates for Falls and Home & Community decline (increase) prior to the start (end) of DST suggest potential behavioural adaption from anticipating the change. While Work accidents show limited impact from DST changes, they exhibit a significant decline over the course of the week (Friday 13% lower than Monday), whereas Road accidents exhibit a significant increase (Friday 19% higher than Monday). Our results have implications for both DST implementation and policy. PMID- 29223029 TI - Design, synthesis and evaluation of novel N-hydroxybenzamides/N hydroxypropenamides incorporating quinazolin-4(3H)-ones as histone deacetylase inhibitors and antitumor agents. AB - In our search for novel small molecules targeting histone deacetylases, we have designed and synthesized several series of novel N-hydroxybenzamides/N hydroxypropenamides incorporating quinazolin-4(3H)-ones (4a-h, 8a-d, 10a-d). Biological evaluation showed that these hydroxamic acids were generally cytotoxic against three human cancer cell lines (SW620, colon; PC-3, prostate; NCI-H23, lung cancer). It was found that the N-hydroxypropenamides (10a-d) were the most potent, both in term of HDAC inhibition and cytotoxicity. Several compounds, e.g. 4e, 8b-c, and 10a-c, displayed up to 4-fold more potent than SAHA (suberoylanilide hydroxamic acid, vorinostat) in term of cytotoxicity. These compounds also comparably inhibited HDACs with IC50 values in sub-micromolar range. Docking experiments on HDAC2 isozyme revealed some important features contributing to the inhibitory activity of synthesized compounds, especially for propenamide analogues. Importantly, the free binding energy computed was found to have high quantitative correlation (R2 ~ 95%) with experimental results. PMID- 29223030 TI - First evaluation of organotellurium derivatives as carbonic anhydrase I, II, IV, VII and IX inhibitors. AB - A series of tellurides was evaluated as carbonic anhydrase (CA, EC 4.2.1.1) inhibitors against the human (h) carbonic anhydrase isoforms hCA I, II, IV, VII and IX, involved in a variety of diseases, including glaucoma, retinitis pigmentosa, epilepsy, arthritis and tumors. These compounds, which are the first tellurium-containing derivatives acting as inhibitors of carbonic anhydrase enzymes, showed effective inhibition against all isoforms investigated and some of them were selective for inhibiting the cytosolic or the membrane-bound CAs. Thus, these carbonic anhydrase inhibitors are interesting leads for the development of isoform-selective inhibitors. PMID- 29223031 TI - Protonography and anion inhibition profile of the alpha-carbonic anhydrase (CruCA4) identified in the Mediterranean red coral Corallium rubrum. AB - CruCA4 is a secreted isoform of the alpha-carbonic anhydrase (CA, EC 4.2.1.1) family, which has been identified in the octocoral Corallium rubrum. This enzyme is involved in the calcification process leading to the formation of the coral calcium carbonate skeleton. We report here experiments performed on the recombinant CruCA4 with the technique of protonography that can be used to detect in a simple way the enzyme activity. We have also investigated the inhibition profile of CruCA4 with one major class of CA inhibitors, the inorganic anions. A range of weak and moderate inhibitors have been identified having KI in the range of 1-100 mM, among which the halides, pseudohalides, bicarbonate, sulfate, nitrate, nitrite, and many complex inorganic anions. Stronger inhibitors were sulfamide, sulfamate, phenylboronic acid, phenylarsonic acid, and diethylditiocarbamate, which showed a better affinity for this enzyme, with KI in the range of 75 MUM-0.60 mM. All these anions/small molecules probably coordinate to the Zn(II) ion within the CA active site as enzyme inhibition mechanism. PMID- 29223033 TI - The mediating role of cognitive ability on the relationship between motor proficiency and early academic achievement in children. AB - The aim of this study was to examine the relationship between motor proficiency and academic achievement in 7 years-old children. A mediating model in which the relation between motor proficiency and academic achievement is mediated by cognitive ability was tested. Participants included 152 children from the longitudinal study Jeunes enfants et leurs milieux de vie (Young Children and their Environments). Motor proficiency was evaluated with the Bruininks-Oseretsky Test of Motor Proficiency (BOT2), cognitive ability with the Wechsler Intelligence Scale for Children-Fourth Edition (WISC-IV) and academic achievement with the Wechsler Individual Achievement Test II (WIAT II). Results showed that motor proficiency, cognitive ability and academic achievement were positively correlated with each other. A structural equation modeling analysis revealed that motor proficiency had a positive effect on academic achievement through an indirect path via cognitive ability. These results highlight the fundamental importance of motor skills in children's academic achievement in early school years. PMID- 29223032 TI - DNA Replication and associated repair pathways are involved in the mutagenesis of methylated cytosine. AB - Transitions of cytosine to thymine in CpG dinucleotides are the most frequent type of mutations observed in cancer. This increased mutability is commonly explained by the presence of 5-methylcytosine (5mC) and its spontaneous hydrolytic deamination into thymine. Here, we describe observations that question whether spontaneous deamination alone causes the elevated mutagenicity of 5mC. Tumours with somatic mutations in DNA mismatch-repair genes or in the proofreading domain of DNA polymerase epsilon (Pol epsilon) exhibit more 5mC to T transitions than would be expected, given the kinetics of hydrolytic deamination. This enrichment is asymmetrical around replication origins with a preference for the leading strand template, in particular in methylated cytosines flanked by guanines (GCG). Notably, GCG to GTG mutations also exhibit strand asymmetry in mismatch-repair and Pol epsilon wild-type tumours. Together, these findings suggest that mis-incorporation of A opposite 5mC during replication of the leading strand might be a contributing factor in the mutagenesis of methylated cytosine. PMID- 29223034 TI - Effect of caliber size and fat level on the inactivation of E. coli O157:H7 in dry fermented sausages. AB - Dry fermented sausages (DFS) have been subject to numerous validation studies, as pathogen reduction heavily relies on both ingredients and processing. In this study the effect of product caliber size (32, 55, 80mm), and fat level (low, 9.67%; high, 18.46% wt/wt) on the inactivation of E. coli O157:H7 during DFS production was examined. Sausages containing a five-strain cocktail of E. coli O157:H7 at 107CFU/g were manufactured and monitored for changes in physicochemical properties and inoculated E. coli O157:H7 numbers were enumerated during the DFS production stages and log reduction rates were calculated. Significant (P<0.01) reduction in pH from 5.9 to 4.9 was observed in all sausages within 72h of fermentation; however, the observed pH reduction was not significantly (P>0.05) different among sausages of different caliber size or fat levels. No significant (P>0.05) reduction in aw was observed during fermentation of the sausages. However, during the drying phase, sausages with larger caliber sizes required a significantly longer duration of drying to achieve the same aw of smaller caliber size sausages. For instance, to achieve an aw of <=0.9, following 5days of fermentation/curing, 80mm caliber sausages required up to 27days of drying compared with 13 and 6days for 55 and 32mm caliber size sausages, respectively. Fat levels on the other hand did not significantly (P>0.05) effect the reduction of aw during drying of the sausages. During the fermentation stage there was a significant and rapid reduction in E. coli O157:H7 counts by about 1.1- to 1.4-log units, but was not significantly different among sausages of different caliber size and fat levels. Considering the whole process, only caliber size had a significant effect on log reduction of E. coli O157:H7. ANOVA of log reduction rates of E. coli O157:H7 among sausages of different caliber size and fat levels revealed no significant differences during the fermentation, however, during the drying of the sausages, log reduction rate of E. coli O157:H7 was significantly (P<0.01) lower in sausages with larger caliber sizes and higher fat levels. For instance, log reduction rates for E. coli O157:H7 in high fat large caliber sausages was the lowest at -0.082+/-0.004 log CFU/g/day compared to all other fat and caliber size combinations. These results suggest that DFS manufacturers producing higher fat and large caliber size products need to consider longer drying periods to achieve the required 5-log inactivation of E. coli O157:H7. PMID- 29223035 TI - Use of hop extract as antifungal ingredient for bread making and selection of autochthonous resistant starters for sourdough fermentation. AB - Aiming at meeting the consumers' demand in terms of bio-preservation, the potential of the combination of the lactic acid bacteria fermentation and the addition of hop extract as natural preservative in breadmaking, was exploited. The antifungal properties of a hop (Humulus lupulus) extract were investigated, showing a significant inhibition of the hyphal growth of Aspergillus parasiticus, Penicillium carneum, Penicillium polonicum, Penicillium paneum, Penicillium chermesinum, Aspergillus niger, Penicillium roqueforti. Lactic acid bacteria belonging to species of Enterococcus feacium, Lactobacillus plantarum, Lactobacillus brevis, Lactobacillus helveticus, Lactobacillus curvatus, Pediococcus pentosaceus, and Pediococcus acidilactici were isolated from hop and subjected to selection based on kinetics of growth and acidification. The sourdough (hS) enriched with hop extract (hE), started with three selected strains, had phenols concentration and antioxidant activity higher than those obtained in the same condition but without the hE. Hop-sourdough used in breadmaking delayed the fungal growth (14 days), giving a bread characterized by free aminoacids concentration, antioxidant and phytase activities higher than bread started only with baker's yeast, with or without the addition of hE. Specific volume and cell-total area of the bread containing hE improved, and its sensory profile was characterized by typical sourdough attributes, and a moderate bitter/herbaceous perception. PMID- 29223036 TI - Study on temperature and near-infrared driving characteristics of hydrogel actuator fabricated via molding and 3D printing. AB - A hydrogel material system which was fit for molding and 3D printing was developed to fabricate bilayer hydrogel actuators with controllable temperature and near infrared laser responses. Polymerization on interface boundary of layered structure enhanced the bonding strength of hydrogel actuators. By utilizing anisotropic of microstructure along with thickness direction, bilayer hydrogel actuators fabricated via molding realized intelligent bending/shrinking responses, which guided the preparation of hydrogel ink for 3D printing. In-situ free radical polymerization under vacuum realized the solidification of printed hydrogel actuators with graphene oxide. Based on anisotropic swelling/deswelling behaviors of precise structure fabricated via 3D printing, the printed bilayer hydrogel actuators achieved temperature and near infrared laser responsive deformation. Changes of programmable printing path effectively resulted in corresponding deformation patterns. Combination of advantages of molding and 3D printing can promote the design and fabrication of hydrogel actuators with high mechanical strength, response speed and deformation ability. PMID- 29223037 TI - A microfabricated platform for the study of chondrogenesis under different compressive loads. AB - Microfluidic devices are beneficial in miniaturizing and multiplexing various cellular assays in a single platform. Chondrogenesis is known to pertain to chemical, topographical, and mechanical cues in the microenvironment. Mechanical cues themselves have numerous parameters such as strain magnitude, frequency, and stimulation time. Effects of different strain magnitudes on the chondrogenic differentiation of adult stem cells have not been explored thoroughly. Here, a new multilayer microdevice is presented for the unidirectional compressive stimulation of cells in a three-dimensional cell culture. Numerical simulations were performed to evaluate and optimize the design. Results showed a favorable highly uniform axial strain distribution and negligible radial and circumferential strain for the optimized design. Moreover, an experimental study was performed on rabbit adipose-derived stem cells encapsulated in-situ in alginate hydrogel. Strain levels of 20%, 15%, 10%, 5%, and 0% were studied simultaneously on a microfluidic platform. Dynamic mechanical compression positively influenced cellular viability and upregulated collagen II, Sox-9, and aggrecan expression in the absence of exogenous growth factors. The expression of collagen type II as specific marker for articular chondrocytes was further confirmed by immunofluorescence staining of collagen type II. Taking together, 10% strain can be considered as optimal stimulation factor for chondrogenic differentiation of adipose derived stem cells. PMID- 29223038 TI - Polymer matrix of fiber-reinforced composites: Changes in the semi interpenetrating polymer network during the shelf life. AB - This laboratory study was aimed to characterize semi-interpenetrating polymer network (semi-IPN) of fiber-reinforced composite (FRC) prepregs that had been stored for up to two years before curing. Resin impregnated prepregs of everStick C&B (StickTech-GC, Turku, Finland) glass FRC were stored at 4 degrees C for various lengths of time, i.e., two-weeks, 6-months and 2-years. Five samples from each time group were prepared with a light initiated free radical polymerization method, which were embedded to its long axis in self-curing acrylic. The nanoindentation readings on the top surface toward the core of the sample were made for five test groups, which were named as "stage 1-5". To evaluate the nanohardness and modulus of elasticity of the polymer matrix, a total of 4 slices (100um each) were cut from stage 1 to stage 5. Differences in nanohardness values were evaluated with analysis of variance (ANOVA), and regression model was used to develop contributing effect of the material's different stages to the total variability in the nanomechanical properties. Additional chemical and thermal characterization of the polymer matrix structure of FRC was carried out. It was hypothesized that time of storage may have an influence on the semi-IPN polymer structure of the cured FRC. The two-way ANOVA test revealed that the storage time had no significant effect on the nanohardness of FRC (p = 0.374). However, a highly significant difference in nanohardness values was observed between the different stages of FRC (P<0.001). The regression coefficient suggests nanohardness increased on average by 0.039GPa for every storage group. The increased nanohardness values in the core region of 6-months and 2-years stored prepregs might be due to phase-segregation of components of semi-IPN structure of FRC prepregs before their use. This may have an influence to the surface bonding properties of the cured FRC. PMID- 29223039 TI - N-acetyl-l-cysteine ameliorates the PM2.5-induced oxidative stress by regulating SIRT-1 in rats. AB - Silent information regulator 1 (SIRT1), a class III histone deacetylase, plays a major role in combating cellular oxidative stress injury. However, the role of SIRT1 in oxidative stress induced by particulate matter remains unclear. A total of 32 healthy male Sprague-Dawley rats were divided into PM2.5, PM2.5+NAC, filtered air (control), and filtered air+NAC (NAC control) groups. The expressions of MnSOD, SIRT1, and FOXO3a were examined at both transcriptional and protein levels. The expression levels of MnSOD, SIRT1, and FOXO3a reduced significantly (P<0.05) in the PM2.5 group as compared to the control group. However, their expression levels were increased after NAC intervention. These results suggested that SIRT1 exerted a protective effect against PM2.5-induced respiratory oxidative damage by regulating the expression of FOXO3a. NAC can activate SIRT1 and exert an anti-oxidative role in PM2.5-induced oxidative injury. PMID- 29223040 TI - The Ascidian Embryo Teratogenicity assay in Ciona intestinalis as a new teratological screening to test the mixture effect of the co-exposure to ethanol and fluconazole. AB - The aim of this work was to evaluate the Ascidian Embryo Teratogenicity assay (AET) as new alternative invertebrate model to test the developmental effects of the co-exposure to ethanol and fluconazole. Ciona intestinalis embryos were exposed to the azolic fungicide fluconazole, (FLUCO, 7.8-250MUM), to ethanol (Eth, 0.01-0.5%) and to their mixture (0.01% Eth+FLUCO 7.8-250MUM) from neurula to larval stage. At the end of the exposure period, larvae were morphologically evaluated and benchmark analysis performed by using the PROAST modelling software. Both compounds were teratogenic in a concentration-related manner, particularly affecting the pigmented organs. The co-exposure to Eth enhanced the effects of FLUCO, the additive hypothesis was not rejected by the modelling. The results demonstrated that AET could be considered a good vertebrate-free alternative model for toxicological investigation in embryos. PMID- 29223041 TI - Understanding motivations for dietary supplementation during pregnancy: A focus group study. AB - OBJECTIVE: to increase understanding of psychosocial factors (behavioural, normative and control beliefs) motivating vitamin and mineral supplement use during pregnancy. DESIGN: ten focus group discussions and two in-depth interviews were conducted using a script comprising questions based on study objectives. All discussions were recorded, transcribed verbatim and analysed using a framework approach. SETTING: South Australia, Australia. SUBJECTS: 40 women aged 21-45 years who were either pregnant or<12 months postpartum. Groups were stratified by education level (secondary education only vs. post-secondary) and gravidity (first vs. subsequent pregnancy). RESULTS: all women, except one, used dietary supplements during pregnancy. Most women took supplements to achieve peace of mind knowing that nutrient requirements were 'definitely' being met. Other common factors motivating supplement use were the beliefs that supplementation: benefits maternal and fetal health; corrects known nutritional deficiencies; and is a more efficient method of obtaining required nutrients relative to food. Advice received from healthcare providers and marketing of supplements also motivated supplementation, while forgetting to take supplements was the most common barrier to use. Cost was only a barrier when considering whether or not to continue supplementation post-birth. KEY CONCLUSIONS AND IMPLICATIONS FOR PRACTICE: women believe that supplements are an easier and more reliable source of nutrients than food intake alone, and rely on dietary supplementation as an insurance policy during pregnancy. Further studies are needed in larger and more representative samples to validate these findings and to test the effectiveness of information and intervention strategies targeting appropriate supplement use during pregnancy. PMID- 29223042 TI - Experiences of early labour management from perspectives of women, labour companions and health professionals: A systematic review of qualitative evidence. AB - OBJECTIVES: to examine evidence of women's, labour companions' and health professionals' experiences of management of early labour to consider how this could be enhanced to better reflect women's needs. DESIGN: a systematic review of qualitative evidence. SETTING AND PARTICIPANTS: women in early labour with term, low risk singleton pregnancies, not booked for a planned caesarean birth or post dates induction of labour, their labour companions, and health professionals responsible for early labour care (e.g. midwives, nurse-midwives, obstetricians, family doctors). Studies from high and middle income country settings were considered. FINDINGS: 21 publications were included from the UK, Ireland, Scandinavia, USA, Italy and New Zealand. Key findings included the impact of communication with health professionals (most usually midwives) on women's decision making; women wanting to be listened to by sympathetic midwives who could reassure that symptoms and signs of early labour were 'normal' and offer clear advice on what to do. Antenatal preparation which included realistic information on what to expect when labour commenced was important and appreciated by women and labour companions. Views of the optimal place for women to remain and allow early labour to progress differed and the perceived benefit of support and help offered by labour companions varied. Some were supportive and helped women to relax, while others were anxious and encouraged women to seek early admission to the planned place of birth. Web-based sources of information are increasingly used by women, with mixed views of the value of information accessed. KEY CONCLUSIONS AND IMPLICATIONS FOR PRACTICE: women, labour companions and health professionals find early labour difficult to manage well, with women unsure of how decisions about admission to their planned place of birth are taken. It is unclear why women are effectively left to manage this aspect of their labour with minimal guidance or support. Tailoring management to meet individual needs, with provision of effective communication could reassure women and facilitate timely admission from perspectives of women, their companions, midwives and other health professionals. Information on labour onset and progress, and approaches to pain management, should be shared with women's labour companions to enable them to feel more confident to better support women. Further research is needed of the impact of different models of care and increasing use of web-based information on women's approaches to self-management when labour commences. PROSPERO 2014 CRD 42014009745. PMID- 29223043 TI - Affect toward the self and self-injury stimuli as potential risk factors for nonsuicidal self-injury. AB - Few risk factors for nonsuicidal self-injury (NSSI) have been identified. This study investigated diminished aversion toward self-injury (i.e., NSSI, suicide/death stimuli) and self-criticism as unique NSSI risk factors. After terminating a treatment study, 154 adults with a recent and frequent NSSI history completed self-report and computer-based measures of psychopathology, implicit and explicit self-criticism, and implicit aversion to NSSI and suicide/death. Participants were then contacted 4 weeks later to test factors predicting NSSI frequency over this follow-up period. Diminished aversion toward NSSI stimuli and self-criticism significantly predicted NSSI 4 weeks later. These effects were unique from other theoretically important predictors, such as past week NSSI frequency and total number of NSSI methods used. Findings provide support that erosion of barriers to NSSI (e.g., aversion to self-injurious stimuli, decreased self-worth) may facilitate continued engagement in these dangerous behaviors. Results shed light on potential treatment targets for NSSI. PMID- 29223044 TI - Association between sleep disorder and panic disorder in South Korea: Nationwide nested case-control study of data from 2004 to 2013. AB - After 2010, panic disorders became relatively common in South Korea, with many celebrities confessing to the public that they have panic disorder. The annual number of patients with panic disorder and sleep disorder have been gradually increasing. In light of these increases, we analyzed the relationship between sleep disorder and panic disorder. We used national claim data to design a 1:3 nested case-control study. The study included medical claims filed for 29,312 patients during 2004-2013. We performed conditional logistic regression analysis to investigate the relationship between sleep disorder and panic disorder. There were 7436 patients who were diagnosed with panic disorder, and 21,876 patients who were gender- and age-matched as controls. Patients with sleep disorder had higher incidence of panic disorder. In particular, patients with insomnia had the strongest association with panic disorder (adjusted, OR, 1.386; 95% CI, 1.201 1.599; p < 0.05). These associations were stronger in healthy patients and those with worse socioeconomic status. In conclusion, sleep disorder, in particular, insomnia was positively associated with panic disorder. Thus, healthcare professionals and policy makers should effectively control insomnia and consider strategies for early intervention for vulnerable patients with risk of panic disorder. PMID- 29223045 TI - Investigation of antioxidant ability of grape seeds extract to prevent oxidatively induced DNA damage by gas chromatography-tandem mass spectrometry. AB - Phenolic compounds have been studied elaborately for their efficacy to improve health and to protect against a wide variety of diseases. Herein this study, different analysis methods were implemented to evaluate the antioxidant properties of catechin and cyanidin using their standard substances and as they found in the grape seeds extracts. Total phenol contents were 107.39+/-8.94mg GAE/g dw of grape seeds for grape seed extract (GSE) and 218.32+/-10.66mg GAE/g dw of grape seeds for acid-hydrolyzed grape seed extract (AcGSE). The extracts were analyzed by HPLC-DAD system and the results showed the presence of catechin, gallic acid, chlorogenic acid and ellagic acid in the processed methanolic extract and cyanidin, gallic acid and ellagic acid in the processed acidified methanolic extract. The protective abilities of catechin and cyanidin were tested against the oxidation of DNA. The results showed that cyanidin has better protection of DNA against oxidation than catechin. GSE and AcGSE were revealed to inhibit the oxidatively induced DNA damage. GSE decreased about 57% of damage caused by the Fenton control sample. This study could show new aspects of the antioxidant profiles of cyanidin and catechin. PMID- 29223046 TI - Cohort-friendly protocol for a sensitive and fast method for trihalomethanes in urine using gas chromatography-Triple quadrupole mass spectrometry. AB - A cohort-friendly biomonitoring protocol has been developed for measuring biomarkers of exposure to disinfection by-products (trihalomethanes, THM) in urine using small initial volume (3mL) and short analysis time (~10min) that facilitates the throughput of a large number of samples. The objective of this study was to optimise a cohort-friendly biomonitoring protocol for the determination of four THM analytes in human urine using gas chromatography coupled with triple quadrupole mass spectrometry (GC-QqQ-MS/MS). The proposed methodology will facilitate the inclusion of such urinary THM measurements into large population health studies. PMID- 29223047 TI - Identification and analysis of a mercapturic acid conjugate of indole-3-methyl isothiocyanate in the urine of humans who consumed cruciferous vegetables. AB - Glucobrassicin, a quantitatively significant constituent of Brassica vegetables, gives rise to indole-3-carbinol (I3C) and its dimer di-indolylmethane (DIM) when the vegetables are chewed. I3C and DIM have been extensively studied with respect to their anti-carcinogenic properties. However, the presumed intermediate isothiocyanate in their formation, indole-3-methyl isothiocyanate (IMITC), has to our knowledge never been observed, despite the fact that isothiocyanates derived from cruciferous vegetables are known to have anti-carcinogenic properties. Therefore, we investigated the formation and presence in human urine of IMITC by analyzing for its N-acetylcysteine conjugate, IMITC-NAC, in order to gain a more complete understanding of the biochemical pathways leading to formation of I3C and DIM upon consumption of vegetables rich in glucobrassicin. Standard IMITC-NAC was synthesized and its structure confirmed by NMR and MS. IMITC-NAC was identified in extracts of Brussels sprouts chopped in the presence of N acetylcysteine. An LC-ESI-MS/MS-SRM method for analysis of IMITC-NAC, with [13C,15N]IMITC-NAC as internal standard, was developed and validated. Then, ten subjects (7 females) consumed a salad of Brussels sprouts and cabbage (containing 100-500MUmol glucobrassicin) once daily for 3days. Urine was collected at intervals up to 24h after vegetable consumption. Levels of IMITC-NAC in the urine of these 10 subjects ranged from 0.2 to 30.2pmol/mL urine. These results provide the first evidence for the presumed intermediacy of IMITC in the formation of I3C and DIM in humans who consumed Brussels sprouts and cabbage as a source of glucobrassicin. PMID- 29223048 TI - Extraction protocol and liquid chromatography/tandem mass spectrometry method for determining micelle-entrapped paclitaxel at the cellular and subcellular levels: Application to a cellular uptake and distribution study. AB - Paclitaxel-loaded polymeric micelles (PTX-PM) are commonly used as tumor-targeted nanocarriers and display outstanding antitumor features in clinic, but its accumulation and distribution in vitro are lack of investigation. It is probably due to the complex micellar system and its low concentration at the cellular or subcellular levels. In this study, we developed an improved extraction method, which was a combination of mechanical disruption and liquid-liquid extraction (LLE), to extract the total PTX from micelles in the cell lysate and subcellular compartments. An ultra-performance liquid chromatography tandem mass spectroscopy (UPLC-MS/MS) method was optimized to detect the low concentration of PTX at cellular and subcellular levels simultaneously, using docetaxel as internal standard (IS). The method was proved to release PTX totally from micelles (>=95.93%) with a consistent and reproducible extraction recovery (>=75.04%). Good linearity was obtained at concentrations ranging from 0.2 to 20ng/mL. The relative error (RE%) for accuracy varied from 0.68 to 7.56%, and the intra- and inter-precision (relative standard deviation, RSD%) was less than 8.64% and 13.14%, respectively. This method was fully validated and successfully applied to the cellular uptake and distribution study of PTX-loaded PLGA-PEG micelles in human breast cancer cells (MCF-7). PMID- 29223049 TI - Determination of blood concentrations of main active compounds in Zi-Cao-Cheng-Qi decoction and their total plasma protein binding rates based on hollow fiber liquid phase microextraction coupled with high performance liquid chromatography. AB - Oil-in-salt hollow fiber liquid phase microextraction coupled with high performance liquid chromatography ultraviolet detection (HPLC-UV) was developed for determination of the blood concentrations of the main active compounds, hesperidin, honokiol, shikonin, magnolol, emodin and beta,beta' dimethylacrylshikonin, after oral administration of Zi-Cao-Cheng-Qi decoction (ZCCQD) and their total plasma protein binding rates. In the procedure, a hollow fiber segment was immersed in organic solvent to fill the solvent in the fiber lumen and wall pore, and then the fiber was immersed into sodium chloride solution to cover a thin salt membrane on the fiber wall pore filling organic solvent. Various factors affecting the procedure, such as extraction solvent, sample phase pH, stirring rate, extraction time, NaCl concentration and fiber immersion time in the NaCl solution, were optimized. Under the optimum conditions, good linearities (r2>=0.9905), low limits of detection (0.7-2.5ng/mL) or quantitation (1.2-12ng/mL), satisfactory precision (2.6%-12.8%) and accuracy (81.0%-114.2%) of this method, were observed. The results showed that, after oral administration of a 25g/kg dose, (1) the blood concentrations (at 0.5h) of hesperidin, honokiol, shikonin, magnolol, emodin and beta,beta' dimethylacrylshikonin were 0.45, 0.40, 0.48, 0.74, 0.11 and 1.11MUg/mL, respectively; (2) the total plasma protein binding rates of the six active compounds were 42.0% (hesperidin), 71.8% (honokiol), 64.6% (shikonin), 77.7% (magnolol), 75.3% (emodin) and 75.7% (beta,beta'-dimethylacrylshikonin), respectively. The proposed procedure coupled with HPLC shows obvious advantages, such as low solvent consumption, simple operation, high sensitivity and strong purifying and can be used for the determination of both the blood concentrations and total plasma protein binding rates of active compounds in traditional Chinese medicine. PMID- 29223050 TI - A simple, rapid and stability indicating validated method for quantification of lamotrigine in human plasma and dry plasma spot using LC-ESI-MS/MS: Application in clinical study. AB - Lamotrigine (LTZ) is a phenyltriazine derivative which belongs to anti-epileptic drugs (AEDs) class and prescribed as mono- or adjunctive-therapy in treatment of epilepsy. Therapeutic drug monitoring (TDM) of AEDs provides a valid clinical tool in optimization of overall therapy. However, TDM is challenging due to the high biological samples (plasma/blood) storage/shipment costs and the limited availability of laboratories providing TDM services. Sampling in the form of dry plasma spot (DPS) or dry blood spot (DBS) are suitable alternative to overcome these issues. We developed and validated a new method for quantification of LTZ in human plasma and DPS. The extraction of LTZ from plasma and DPS was performed using liquid-liquid extraction with diethyl ether and an extraction solution composed of diethyl ether- methyl tert-butyl ether- acetone (50:30:20, v/v/v), respectively. Lamotrigine- 13C3, d3 was used as internal standard (ISTD) and the chromatographic separation was achieved on Hypurity Advance C18 column (150*4.6mm, 5MUm). Quantitative estimation of LTZ and ISTD was performed on a liquid chromatography tandem mass spectrometer coupled with electrospray ionization interface operated under positive mode of ionization. Calibration curves were linear (r2>0.99) over the concentration range of 10-3020ng/mL for both plasma and DPS. Statistical analysis provides insignificant difference between LTZ concentration extracted from plasma and DPS samples. The method is found suitable for application in clinical study and in therapeutic monitoring of LTZ. To the best of our knowledge this is the first report which describing a validated stability indicating assay for quantification of LTZ in dry plasma spot. PMID- 29223051 TI - Ultrasensitive colorimetric immunoassay for hCG detection based on dual catalysis of Au@Pt core-shell nanoparticle functionalized by horseradish peroxidase. AB - In this paper, an ultrasensitive colorimetric biosensor for human chorionic gonadotrophin (hCG) detection was designed from bottom-up method based on the dual catalysis of the horseradish peroxidase (HRP) and Au@Pt nanoparticles (NPs) relative to H2O2-TEM system. HRP and monoclonal mouse anti-hCG antibody (beta submit, mAb1) were co-immobilized onto the Au@Pt NP surface to improve catalytic efficiency and specificity, which formed a dual functionalized Au@Pt-HRP probe with the mean size of 42.8nm (D50). The colorimetric immunoassay was developed for the hCG detection, and the Au@Pt-HRP probe featured a higher sensitivity in the concentration range of 0.4-12.8IUL-1 with a low limit of detection (LOD) of 0.1IUL-1 compared with the LODs of 0.8IUL-1 for BA-ELISA and of 2.0IUL-1 for Au@Pt, which indicated that the Au@Pt-HRP probe possessed higher catalytic efficiency with 2.8-fold increase over Au@Pt and 33.8-fold increase over HRP. Also, the Au@Pt-HRP probe exhibited good precision and reproducibility, high specificity and acceptable accuracy with CV being less than 15%. The dual functionalized Au@Pt-HRP probe as a type of signal amplified method was firstly applied in the colorimetric immunoassay for the hCG detection. PMID- 29223052 TI - Wavelength selection for portable noninvasive blood component measurement system based on spectral difference coefficient and dynamic spectrum. AB - Noninvasive blood component analysis by spectroscopy has been a hotspot in biomedical engineering in recent years. Dynamic spectrum provides an excellent idea for noninvasive blood component measurement, but studies have been limited to the application of broadband light sources and high-resolution spectroscopy instruments. In order to remove redundant information, a more effective wavelength selection method has been presented in this paper. In contrast to many common wavelength selection methods, this method is based on sensing mechanism which has a clear mechanism and can effectively avoid the noise from acquisition system. The spectral difference coefficient was theoretically proved to have a guiding significance for wavelength selection. After theoretical analysis, the multi-band spectral difference coefficient-wavelength selection method combining with the dynamic spectrum was proposed. An experimental analysis based on clinical trial data from 200 volunteers has been conducted to illustrate the effectiveness of this method. The extreme learning machine was used to develop the calibration models between the dynamic spectrum data and hemoglobin concentration. The experiment result shows that the prediction precision of hemoglobin concentration using multi-band spectral difference coefficient wavelength selection method is higher compared with other methods. PMID- 29223053 TI - Pressure-induced phase transition and fracture in alpha-MoO3 nanoribbons. AB - MoO3 nanoribbons were studied under different pressure conditions ranging from 0 to 21GPa at room temperature. The effect of the applied pressure on the spectroscopic and morphologic properties of the MoO3 nanoribbons was investigated by means of Raman spectroscopy and scanning electron microscopy techniques. The pressure dependent Raman spectra of the MoO3 nanoribbons indicate that a structural phase transition occurs at 5GPa from the orthorhombic alpha-MoO3 phase (Pbnm) to the monoclinic MoO3-II phase (P21/m), which remains stable up to 21GPa. Such phase transformation occurs at considerably lower pressure than the critical pressure for alpha-MoO3 microcrystals (12GPa). We suggested that the applanate morphology combined with the presence of crystalline defects in the sample play an important role in the phase transition of the MoO3 nanoribbons. Frequencies and linewidths of the Raman bands as a function of pressure also suggest a pressure-induced morphological change and the decreasing of the nanocrystal size. The observed spectroscopic changes are supported by electron microscopy images, which clearly show a pressure-induced morphologic change in MoO3 nanoribbons. PMID- 29223054 TI - Optimizing adsorption of blue pigment from wastewater by nano-porous modified Na bentonite using spectrophotometry based on response surface method. AB - This work highlighted the effective activation of bentonite paste to produce nano porous powder for removal of cationic dye from wastewater. The effects of activation parameters such as soda and moisture contents, ageing time and temperature were analyzed using response surface methodology (RSM). The significance of independent variables and their interactions were tested by blending the obtained powders with wastewater and then the adsorption was evaluated, spectrophotometrically. The experiments were carried out by preparation of pastes according to response surface methodology and central composite design, which is the standard method, was used to evaluate the effects and interactions of four factors on the treatment efficiency. RSM was demonstrated as an appropriate approach for optimization of alkali activation. The optimal conditions obtained from the desirable responses were 5.0wt% soda and 45.0wt% moisture, respectively in which the powder activation was carried out at 150 degrees C. In order to well understand the role of nano-structured material on dye removal, the adsorbents were characterized through X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy and Brunauer-Emmett-Teller surface area measurement. Finally, the analysis clearly demonstrates that the dye removal onto prepared adsorbent is well fitted with Langmuir isotherm compared to the other isotherm models. The low cost of material and facile process support the further development for commercial application purpose. PMID- 29223055 TI - Structure elucidation and degradation kinetic study of Ofloxacin using surface enhanced Raman spectroscopy. AB - A simple, fast and sensitive surface enhanced Raman spectroscopy (SERS) method for quantitative determination of fluoroquinolone antibiotic Ofloxacin (OFX) is presented. Also the stability behavior of OFX was investigated by monitoring the SERS spectra of OFX after various degradation processes. Acidic, basic and oxidative force degradation processes were applied at different time intervals. The forced degradation conditions were conducted and followed using SERS method utilizing silver nanoparticles (Ag NPs) as a SERS substrate. The Ag NPs colloids were prepared by reduction of silver nitrate using polyethyelene glycol (PEG) as a reducing and stabilizing agent. Validation tests were done in accordance with International Conference on Harmonization (ICH) guidelines. The calibration curve with a correlation coefficient (R=0.9992) was constructed as a relationship between the concentration range of OFX (100-500ng/ml) and SERS intensity at 1394cm-1 band. LOD and LOQ values were calculated and found to be 23.5ng/ml and 72.6ng/ml, respectively. The developed method was applied successfully for quantitation of OFX in different pharmaceutical dosage forms. Kinetic parameters were calculated including rate constant of the degradation of the studied antibiotic. PMID- 29223056 TI - Synthesis and fluorescence properties of some difluoroboron beta-diketonate complexes and composite containing PMMA. AB - A series of difluoroboron beta-diketonate complexes, containing the indon-beta diketonate ligand carrying methyl or methoxyl substituents was synthesized. The crystal structures of the complexes were confirmed by single crystal X-ray diffraction studies. The fluorescence properties of compounds were studied in solution state, solid state and on PMMA polymer matrix. The photophysical data of compounds 2a-2d exhibited strong fluorescence and photostability under the ultraviolet light (Hg lamp). The complex 2b showed higher fluorescence intensity in solution state as compared to other complexes of the series. The complexes 2c and 2d showed higher fluorescence intensity in the solid state, which are ascribed to the stronger pi-pi interactions between ligands in the solid state. The introduction of methoxyl or methyl groups on the benzene rings enhanced the absorption intensity, emission intensity, quantum yields and fluorescence lifetimes due to their electron-donating nature. Furthermore, the complex 2b was doped into the PMMA to produce hybrid materials, where the PMMA matrix acted as sensitizer for the central boron ion to enhance the fluorescence emission intensity and quantum yields. PMID- 29223057 TI - The ground and low-lying excited states and feasibility of laser cooling for GaH+ and InH+ cations. AB - The potential energy curves and transition dipole moments of 12Sigma+ and 12Pi states of GaH+ and InH+ cations are performed by employing ab initio calculations. Based on the potential energy curves, the rotational and vibrational energy levels of the two states are obtained by solving the Schrodinger equation of nuclear movement. The spectroscopic parameters are deduced with the obtained rovibrational energy levels. The spin-orbit coupling effect of the 2Pi states for both the GaH+ and InH+ cations are also calculated. The feasibility of laser cooling of GaH+ and InH+ cations are examined by using the results of the electronic and spectroscopic properties. The highly diagonal Franck-Condon factors and appropriate radiative lifetimes are determined by using the potential energy curves and transition dipole moments for the 2Pi1/2, 3/2< >12Sigma+ transitions. The results indicate that the 2Pi1/2, 3/2<->12Sigma+ transitions of both GaH+ and InH+ cations are appropriate for the close cycle transition of laser cooling. The optical scheme of the laser cooling is constructed for the GaH+ and InH+ cations. PMID- 29223058 TI - Discrimination of geographical origin and detection of adulteration of kudzu root by fluorescence spectroscopy coupled with multi-way pattern recognition. AB - In this work, fluorescence spectroscopy combined with multi-way pattern recognition techniques were developed for determining the geographical origin of kudzu root and detection and quantification of adulterants in kudzu root. Excitation-emission (EEM) spectra were obtained for 150 pure kudzu root samples of different geographical origins and 150 fake kudzu roots with different adulteration proportions by recording emission from 330 to 570nm with excitation in the range of 320-480nm, respectively. Multi-way principal components analysis (M-PCA) and multilinear partial least squares discriminant analysis (N-PLS-DA) methods were used to decompose the excitation-emission matrices datasets. 150 pure kudzu root samples could be differentiated exactly from each other according to their geographical origins by M-PCA and N-PLS-DA models. For the adulteration kudzu root samples, N-PLS-DA got better and more reliable classification result comparing with the M-PCA model. The results obtained in this study indicated that EEM spectroscopy coupling with multi-way pattern recognition could be used as an easy, rapid and novel tool to distinguish the geographical origin of kudzu root and detect adulterated kudzu root. Besides, this method was also suitable for determining the geographic origin and detection the adulteration of the other foodstuffs which can produce fluorescence. PMID- 29223059 TI - A highly selective fluorescence sensing platform for nanomolar Hg(II) detection based on cytosine derived quantum dot. AB - Inspired by low toxicity and good biocompatibility of biomass derived quantum dot (QD), we herein developed a cytosine derived quantum dot, namely cyt-dot, via a one-step hydrothermal synthesis. The as-prepared cyt-dot emits blue fluorescence (FL) containing abundant oxygen (20.6at.%) and nitrogen (24.1at.%) contents. The cyt-dot based sensing platform shows exclusive selectivity for Hg(II) while being insensitive towards Fe(III) and Ag(I), which are important interference that usually cannot be ruled out. The detection limit for Hg(II) is of 11nM, which is very close to the guideline value of 10nM allowed by the U.S. Environmental Protection Agency in drinking water. In real water sample analyses, the present sensing platform can fulfil satisfied recoveries ranging from 100% to 108%. Besides, the acidity of solution has almost no effect on the sensing performance of the cyt-dot in a pH range of 5-8, suggesting its potential applications in sensing and bio-imaging. PMID- 29223061 TI - Impurity profiling of N,N'-ethylenebis-l-cysteine diethyl ester (Bicisate). AB - A HPLC-UV-CAD method with a HILIC column for impurity profiling of the 99mTc chelating agent bicisate has been developed and evaluated. Bicisate and its impurities were separated by means of isocratic elution on a zwitterionic stationary phase using a mixture of 7.5mmol/L trifluoroacetic acid and acetonitrile (47.5:52.5 V/V) as the mobile phase. Five different bicisate batches of a manufacturer were tested using the method. In addition LC-MS experiments were conducted in order to identify the impurities. The predominant impurities found were the oxidation product (disulfide), the monoester of ethylene dicysteine and an unknown compound with an m/z of 293 in ESI positive mode. A new degradation product of bicisate, bicisate lactam, was identified during sample solution stability assessment. PMID- 29223060 TI - Recent advances in lipid separations and structural elucidation using mass spectrometry combined with ion mobility spectrometry, ion-molecule reactions and fragmentation approaches. AB - Lipids are a vital class of molecules that play important and varied roles in biological processes, however, fully understanding these roles is extremely difficult due to the immense number and diversity of possible lipid species. While recent advances in chromatography and high resolution mass spectrometry have greatly progressed knowledge about distinct lipid species and functions, effectively separating many lipids still remains problematic. Isomeric lipids have made lipid characterization especially difficult and occur due to subclasses having the same chemical composition, or species having multiple acyl chain connectivities (sn-1, sn-2, or sn-3), double bond positions and orientations (cis or trans), and functional group stereochemistries (R versus S). To aid in isomer characterization, ion mobility spectrometry separations, ion-molecule reactions and fragmentation techniques have increasingly been added to lipid analysis workflows. In this manuscript, we review the current state of these approaches and their capabilities for improving the identification of lipid species. PMID- 29223062 TI - HPLC-MS/MS method optimisation for matrix metalloproteinase 3 and matrix metalloproteinase 9 determination in human blood serum using target analysis. AB - A quantitative analysis of zinc endopeptidases matrix metalloproteinase 9 (MMP9) and matrix metalloproteinase 3 (MMP3) from human blood serum are presented. Both matrix metalloproteinases (MMP) are present in human blood serum and can be used as biomarkers for different diseases. The analysis was performed using LC-MS/MS with a triple quadrupole mass spectrometer, based on two specific peptides of each MMP in comparison with an enzyme-linked immunosorbent assay (ELISA). While the conditions for the LC-MS/MS analysis of MMP9 peptides were previously reported for bronchoalveolar lavage fluid, the analysis of MMP3 peptides was newly quantified for human blood serum herein for the first time. For MMP3, the linear behaviour was determined in the concentration range from 1.0-200.0ng/mL (R2=0.997) with an LLOD of 0.5ng/mL. For MMP9, linearity was determined in the concentration range from 6.5-65.0ng/mL (R2=0.995) with an LLOD of 2.0ng/mL. PMID- 29223063 TI - Phytochemical study of the trunk bark of Citharexylum spinosum L. growing in Tunisia: Isolation and structure elucidation of iridoid glycosides. AB - A phytochemical investigation of the trunk bark ethyl acetate extract of Citharexylum spinosum L. has led to the isolation of four previously undescribed iridoid glycosides, tunispinosides A-D, and five known phenylethanoid glycosides, verbascoside, leucosceptoside A, martynoside, isoverbascoside and plantainoside C, together with 4-hydroxy-2,6-dimethoxyphenyl 6'-O-vanilloyl-beta-D glucopyranoside, two 8,3'-neolignan glycosides, plucheosides D1-D2, coniferyl aldehyde, vanillic acid, syringic acid, ferulic acid and tyrosol. All compounds were isolated for the first time from C. spinosum. Their isolation was carried out using silica gel column and high performance liquid chromatography (HPLC). Structures were established by spectroscopic means including 1D and 2D NMR experiments, and spectrometric ESI-HRMS analysis. PMID- 29223064 TI - Patient characteristics, incidence, technique, outcomes and early prediction of tracheostomy in the state of Victoria, Australia. AB - BACKGROUND: Tracheostomy is a relatively common procedure in Intensive Care Unit (ICU) patients. AIMS: To study the patient characteristics, incidence, technique, outcomes and prediction of tracheostomy in the State of Victoria, Australia. METHODS: We used data from the Australian and New Zealand Intensive Care Society Adult Patient Database (ANZICS APD) and the Victorian Admitted Episode Dataset (VAED) to identify and match patients who had received a tracheostomy from 2004 to 2014. RESULTS: Between 1st January 2004 and 30th June 2014, 9750 patients received a tracheostomy with 7670 available for matching and 6010 (78.4%) successfully matched. Of the matched tracheostomy patients, median age was 61years, median APACHE IIIJ score was 66 and overall hospital mortality was 21%. The incidence of tracheostomy almost halved over the decade with more than half of tracheostomies (53.5%) being percutaneous. Hospital mortality of patients receiving a tracheostomy decreased from 26.5% in 2004 to 16.5% in 2014 by an average decrease of 6%/year. No robust model could be developed to predict tracheostomy. CONCLUSION: The incidence of tracheostomy and the adjusted mortality rate of patients who received a tracheostomy have significantly decreased over a decade. Day of admission information could not be used to predict subsequent tracheostomy. PMID- 29223065 TI - Arabinogalactan proteins: Immunolocalization in the developing ovary of a facultative apomict Fragaria x ananassa (Duch.). AB - BACKGROUND AND AIMS: Arabinogalactan proteins are present in the extracellular matrix and their occurrence is developmentally regulated. The studies were carried out to localise arabinogalactan proteins in ovary cells of Fragaria x ananassa Duchesne (strawberry) during megasporogenesis, megagametogenesis, and formation of the embryo. METHODS: The research included studies of ovary histochemistry and immunofluorescence labelling of AGP epitopes was performed with antibodies JIM13, JIM15 and MAC207. The use of the immunogold labelling method allowed specific detection of AGP epitopes at the subcellular level. KEY RESULTS: The localization of AGPs was studied in the cells of the ovary wall and elements building the developing ovule i.e. the integument, nucellus, archespore, megaspores, embryo sac, and embryo of a facultative apomict Fragaria x ananassa cv. 'Mount Everest'. For the first time the presence of AGP epitopes at the stage of a multicellular archespore was described. The occurrence of AGPs in the functional megaspore walls is related to selection of a megaspore continuing development; during later stages of development, AGPs are also evident markers of the female gametophyte. The intense fluorescence indicates the presence of AGPs in the embryo sac wall as well as in the cytoplasm compartment of the egg apparatus and around the secondary nucleus of the central cell. The localization of AGPs in the ovule of F. x ananassa resembles the distribution of these proteins in amphimictic plants. CONCLUSIONS: Arabinogalactan proteins occur in similar parts of the ovule of amphimictic and apomictic plants. The results confirm the participation of AGPs in reproductive structures as a useful marker during development of female gametophyte. PMID- 29223066 TI - Overexpression of the maize E3 ubiquitin ligase gene ZmAIRP4 enhances drought stress tolerance in Arabidopsis. AB - Ubiquitin-mediated protein degradation plays a crucial role in enabling plants to effectively and efficiently cope with environmental stresses. The E3 ligases have emerged as a central component of the ubiquitination pathway and modulate plant response to abiotic stresses. However, few such studies have been reported in maize. In this study, a C3HC4-type RING finger E3 ligase in maize, ZmAIRP4 (Zea mays Abscisic acid [ABA]-Insensitive RING Protein 4), which is an ortholog of AtAIRP4, was isolated by reverse transcription polymerase chain reaction with specific primers, and its functions in tolerance to drought stress were described. ZmAIRP4 was upregulated by ABA, polyethylene glycol and sodium chloride. In vitro ubiquitination assays and subcellular localization indicated that ZmAIRP4 was an active E3 ligase predominantly localized in the cytoplasm and nucleus. Compared to wild type, ZmAIRP4-overexpressing Arabidopsis plants were hypersensitive to ABA during early seedling development, and showed enhanced drought tolerance. Moreover, the transcript levels of several drought-related downstream genes in transgenic plants were dramatically increased compared with wild type plants. Our results suggested that E3 ligase ZmAIRP4 is a positive regulator in the drought tolerance response pathway. PMID- 29223067 TI - Dissection of resistance to Microdochium nivale in Lolium multiflorum/Festuca arundinacea introgression forms. AB - The potential of resistance to Microdochium nivale is still not recognized for numerous plant species. The forage grasses of Lolium-Festuca complex are important for grass-biomass production in the temperate regions. Lolium multiflorum is a grass with a high forage quality and productivity but also a relatively low resistance to M. nivale. On the contrary, F. arundinacea has a higher potential of resistance but simultaneously a significantly lower forage quality. These two species cross with each other and the intergeneric hybrids possess complementary characters of both genera. Herein, for the first time, we perform the research on L. multiflorum/F. arundinacea introgression forms to decipher mechanisms of resistance to M. nivale in that group of plants. Two forms with distinct levels of resistance were used as models in cytogenetic and biochemical studies. The resistant plant was shown to be a tetraploid with 28 L. multiflorum chromosomes, including one with three F. arundinacea introgressions. The susceptible introgression form revealed the unbalanced genomic structure and only 25 chromosomes. Twenty four chromosomes were shown to be L. multiflorum chromosomes, including one chromosome with F. arundinacea segment. One Festuca chromosome with additional two interstitial F. arundinacea segments, was also revealed in the susceptible form. The selected introgression forms differed in the accumulation profiles of total soluble carbohydrates, phytohormones, and phenolics in the leaf and crown tissue under the control and infection conditions. The higher amount of carbohydrates and salicylic acid in the leaves and crowns as well as a lower amount of abscisic acid in both studied organs and jasmonic acid in the crowns, were shown to be crucial for the expression of resistance to M. nivale in the analyzed hybrids. PMID- 29223068 TI - Comprehensive analysis and transcript profiling of Arabidopsis thaliana and Oryza sativa catalase gene family suggests their specific roles in development and stress responses. AB - Stress induces the generation of Reactive Oxygen Species (ROS) that ultimately hampers the growth, development, and productivity of the plant. As an antioxidant enzyme, catalase converts hydrogen peroxide to water and keeps ROS level down to protect cells from stress-induced apoptosis. Here, a genome-wide analysis of catalase gene family has been performed in two model plants- Arabidopsis thaliana and Oryza sativa. Both Arabidopsis and rice has a small family of three and four genes, respectively; that code for seven proteins each. Detailed analysis of these members in terms of their structure, duplication, chromosomal position and proteins subcellular localization, as well as expression profiling under various developmental and environmental cues, was performed. Catalase proteins were mostly found to be localized in the cytoplasm, followed by peroxisome and mitochondria. Phylogenetically plant catalases showed strong divergence from their non-plant counterparts. Expression profiling revealed that AtCAT3 and OsCATA are the constitutively expressive member; while AtCAT2, OsCATA, and OsCATC are the stress-responsive members. Moreover, an altered level of total rice catalase enzyme activity and H2O2 level was observed under various abiotic stress conditions. This indicates the stress-responsive transcriptome as well as proteome alteration of catalase in the plant. PMID- 29223069 TI - Neuropsychological and clinical heterogeneity of cognitive impairment in patients with multiple system atrophy. AB - OBJECTIVE: We evaluated neuropsychological tests to compare cognitive impairment between two types of multiple system atrophy: predominant parkinsonism (MSA-P) and predominant cerebellar ataxia (MSA-C). PATIENTS AND METHODS: This cross sectional study included 14 patients diagnosed with MSA: four with MSA-C and ten with MSA-P. Presence of motor symptoms was determined by using the Unified Rating MSA Scale (URMSAS). Non-motor symptoms were evaluated by the Short Form Health Survey (SF-36), Scales for Outcomes in Parkinson's disease Autonomic (SCOPA-AUT), Hospital Anxiety and Depression Scale (HADS), and Beck Depression Inventory (BDI). Neuropsychological tests were used to evaluate general cognition, verbal and visual memory, working memory, constructional ability, visuospatial, language, and executive function. RESULTS: The median age of the patients was 62 years, median disease duration was 3.5 years, and median education level was 10 years. The median Mini-Mental State Examination (MMSE) score was 26.5 points, and median Mattis Dementia Rating Scale (MDRS) score was 131.5. We compared the continuous data between the two MSA subtypes and observed that bodily pain reported in the quality of life questionnaire, SF-36, was worse in MSA-P (p<0.05), and attention function evaluated by MDRS was significantly lower in MSA C than MSA-P (p<0.05). CONCLUSION: Our comparative study of cognitive impairment in MSA-P and MSA-C showed that both groups had impaired executive and visuospatial functions, while the attention deficit was predominant only in MSA C. These findings support the concept that cognitive deficit originates from striatofrontal dysfunction and cerebellar degeneration. Our study also suggests that cognitive impairment is relevant in MSA, and clinical neurologists should not neglect evaluation of these aspects in their daily clinical practice. PMID- 29223070 TI - Trusting others: shared reality in testimonial learning. AB - Much of early learning depends on others, and the transmission of testimony presents children with a range of opportunities to learn about and from other people. Much work has focused on children's ability to select or prefer particular sources of information based on various epistemic (e.g. accuracy, reliability, perceptual access, expertise) and moral (e.g. benevolence, group membership, honesty) characteristics. Understanding the mechanisms by which such selective preferences emerge has been couched primarily in frameworks that treat testimony as a source of inductive evidence, and that treat children's trust as an evidence-based inference. However, there are other distinct interpersonal considerations that support children's trust towards others, considerations that influence who children learn from as well as other practical decisions. Broadening our conception of trust and considering the interpersonal reasons we have to trust others can both strengthen our current understanding of the role that trust plays in children's learning and practical decisions as well as provide a more holistic picture of how children participate in a shared reality with their family, peers, and communities. PMID- 29223071 TI - Bioactive potential of silica coatings and its effect on the adhesion of proteins to titanium implants. AB - There is an ever-increasing need to develop dental implants with ideal characteristics to achieve specific and desired biological response in the scope of improve the healing process post-implantation. Following that premise, enhancing and optimizing titanium implants through superficial treatments, like silica sol-gel hybrid coatings, are regarded as a route of future research in this area. These coatings change the physicochemical properties of the implant, ultimately affecting its biological characteristics. Sandblasted acid-etched titanium (SAE-Ti) and a silica hybrid sol-gel coating (35M35G30T) applied onto the Ti substrate were examined. The results of in vitro and in vivo tests and the analysis of the protein layer adsorbed to each surface were compared and discussed. In vitro analysis with MC3T3-E1 osteoblastic cells, showed that the sol-gel coating raised the osteogenic activity potential of the implants (the expression of osteogenic markers, the alkaline phosphatase (ALP) and IL-6 mRNAs, increased). In the in vivo experiments using as model rabbit tibiae, both types of surfaces promoted osseointegration. However, the coated implants demonstrated a clear increase in the inflammatory activity in comparison with SAE-Ti. Mass spectrometry (LC-MS/MS) analysis showed differences in the composition of protein layers formed on the two tested surfaces. Large quantities of apolipoproteins were found attached predominantly to SAE-Ti. The 35M35G30T coating adsorbed a significant quantity of complement proteins, which might be related to the material intrinsic bioactivity, following an associated, natural and controlled immune response. The correlation between the proteomic data and the in vitro and in vivo outcomes is discussed on this experimental work. PMID- 29223072 TI - Alteration of autophagy-related proteins in peripheral blood mononuclear cells of patients with Parkinson's disease. AB - Previous postmortem studies demonstrated dysregulation of autophagy in patients with Parkinson's disease (PD). To clarify whether this alteration reflects a fundamental aspect of PD or represents the final stage of autophagy dysregulation resulting from a long neurodegenerative process, we focused on basal autophagy in peripheral blood mononuclear cells (PBMCs) of PD patients (n = 35) and controls (n = 23). The whole-transcriptome assay revealed downregulation of mRNAs for 6 core regulators of autophagy (UNC-51-like kinase [ULK] 3, autophagy-related [Atg] 2A, Atg4B, Atg5, Atg16L1, and histone deacetylase 6). Reverse transcription polymerase chain reaction and Western blot analysis confirmed significantly increased protein levels of upstream autophagy (ULK1, Beclin1, and autophagy/beclin1 regulator 1) with negative feedback of mRNA expression for these proteins in PD. These protein levels were correlated with increased levels of alpha-synuclein in PBMCs. The expression level of the oligomeric form of alpha synuclein in PBMCs paralleled the clinical severity of PD and the degeneration of cardiac sympathetic nerves. Basal activity of autophagy can be lower in patients with PD. Alteration of basal autophagy may be a fundamental aspect of PD. PMID- 29223073 TI - Evidence for pain attenuation by the motor system-based judgment of agency. AB - Pain is an integral part of our lives. Although the effect of 'control' on sensed pain has been extensively studied and discussed, recent findings seem to be at odds with the substantial evidence for a robust motor-based sensory attenuation effect - an indirect marker for one's sense of agency. The goal of the current study was to re-examine whether there is evidence for such an effect in the context of pain. In three experiments, human participants were aversively stimulated and the sensitivity of self-reported pain to factors previously shown to modulate the sensory attenuation effect was tested (control over parameters of the stimulation; temporal contiguity and predictability, and stimulation intensity). Two of three experiments found some evidence that objective control attenuates pain, but only when the painful stimulation immediately follows the motor response. We discuss the complex relations between having objective control, feeling helpless, predictability and sensed pain. PMID- 29223074 TI - Bioaccumulation and trophic transfer of cyclic volatile methylsiloxanes (cVMS) in the aquatic marine food webs of the Oslofjord, Norway. AB - The trophic transfer of cyclic methylsiloxanes (cVMS) in aquatic ecosystems is an important criterion for assessing bioaccumulation and ecological risk. Bioaccumulation and trophic transfer of cVMS, specifically octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6), were evaluated for the marine food webs of the Inner and Outer Oslofjord, Norway. The sampled food webs included zooplankton, benthic macroinvertebrates, shellfish, and finfish species. Zooplankton, benthic macroinvertebrates, and shellfish occupied the lowest trophic levels (TL ~2 to 3); northern shrimp (Pandalus borealis) and Atlantic herring (Clupea harengus) occupied the middle trophic levels (TL ~3 to 4), and Atlantic cod (Gadus morhua) occupied the highest tropic level (TL>4.0). Trophic dynamics in the Oslofjord were best described as a compressed food web defined by demersal and pelagic components that were confounded by a diversity in prey organisms and feeding relationships. Lipid-normalized concentrations of D4, D5, and D6 were greatest in the lowest trophic levels and significantly decreased up the food web, with the lowest concentrations being observed in the highest trophic level species. Trophic magnification factors (TMF) for D4, D5, and D6 were <1.0 (range 0.3 to 0.9) and were consistent between the Inner and Outer Oslofjord, indicating that exposure did not impact TMF across the marine food web. There was no evidence to suggest biomagnification of cVMS in the Oslofjord. Rather, results indicated that trophic dilution of cVMS, not trophic magnification, occurred across the sampled food webs. PMID- 29223075 TI - Mercury inputs and redistribution in the Penobscot River and estuary, Maine. AB - We examined total mercury (Hg) distributions in sediments from the Penobscot River and estuary, Maine, a site of extensive Hg releases from HoltraChem (1967 2000). Our objectives were to quantify: (1) bottom sediment Hg inventories (upper ~1m; 50-100 y); (2) sediment accumulation rates; and (3) contemporary Hg fluxes to bottom sediments; by sampling the Penobscot River (PBR), Mendall Marsh (MM), the Orland River (OR) and the Penobscot estuary (ES). Hg was rapidly distributed here, and the cumulative total (9.28 metric tons) associated with sediments system-wide was within the range released (6-12 metric tons). Evidence of sediment/Hg remobilization was observed in cores primarily from the PBR, and to a lesser extent the ES, whereas cores from MM, most of the OR, the ES, and half from the PBR exhibited sharp peaks in Hg concentrations at depth, followed by gradual decreases towards the surface. Based on background PBR sediment Hg concentrations (100ngg-1), "elevated" (300ngg-1), or "highly elevated" (600ngg-1) Hg concentrations in sediments, and resulting inventories, we assessed impact levels ("elevated">=270, or "highly elevated">=540mgm-2). 71% of PBR stations had "elevated", and 29% had "highly elevated" Hg inventories; 45% of MM stations had "elevated", and 27% had "highly elevated" inventories; 80% of OR stations had "elevated" inventories only; and 17% of ES stations had "elevated" inventories only. Most "highly elevated" stations were located within 8km of HoltraChem, in MM, in the PBR, and in the OR. Near-surface sediments in the OR, PBR and MM were all "highly elevated", while those in the ES were "elevated", on average. Mean Hg fluxes to bottom sediments were greatest in the OR (554), followed by the PBR (469), then MM (452), and finally the ES (204ngcm-2y-1). PMID- 29223076 TI - The impact of soil erosion on soil fertility and vine vigor. A multidisciplinary approach based on field, laboratory and remote sensing approaches. AB - Soil erosion processes in vineyards, beyond surface runoff and sediment transport, have a strong effect on soil organic carbon (SOC) loss and redistribution along the slope. Variation in SOC across the landscape can determine differences in soil fertility and vine vigor. The goal of this research was to analyze the interactions among vines vigor, sediment delivery and SOC in a sloping vineyard located in Sicily. Six pedons were studied along the slope by digging 6 pits up to 60cm depth. Soil was sampled every 10cm and SOC, water extractable organic carbon (WEOC) and specific ultraviolet absorbance (SUVA) were analyzed. Erosion rates, detachment and deposition areas were measured by the pole height method which allowed mapping of the soil redistribution. The vigor of vegetation, expressed as Normalized Difference Vegetation Index (NDVI), derived from high-resolution satellite multispectral data, was compared with measured pruning weight. Results confirmed that soil erosion, sediment redistribution and SOC across the slope was strongly affected by topographic features, slope and curvature. The erosion rate was 16Mgha-1y-1 since the time of planting (6years). SOC redistribution was strongly correlated with the detachment or deposition areas as highlighted by pole height measurements. The off-farm SOC loss over six years amounted to 1.2MgCha-1. SUVA254 values, which indicate hydrophobic material rich in aromatic constituents of WEOC, decreased significantly along the slope, demonstrating that WEOC in the detachment site is more stable in comparison to deposition sites. The plant vigor was strongly correlated with WEOC constituents. Results demonstrated that high resolution passive remote sensing data combined with soil and plant analyses can survey areas with contrasting SOC, soil fertility, soil erosion and plant vigor. This will allow monitoring of soil erosion and degradation risk areas and support decision-makers in developing measures for friendly environmental management. PMID- 29223077 TI - Multiple linear regression based congener profile correlation to estimate the toxicity (TEQ) and dioxin concentration in atmospheric emissions. AB - The formation of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/F) is governed by complex chemical reactions with complex kinetic models. The simulation of Municipal Solid Waste incinerators, or other industrial thermal processes, is a powerful tool that can be used to optimize and control them, and reducing the number of components to simulate is mandatory for a proper use. In this study it has been determined that only the formation of 3 of the 17 main PCDD/F congeners can be considered as linearly independent. This fact has been used to establish linear regression models that are able to estimate properly the total amount and toxicity of a sample considering only the amount of 1,2,3,6,7,8 HxCDD, OCDF and 2,3,7,8-TCDF. All models have been validated using new samples performing a close approach to the real values provided by complete analytical studies. The average relative error is 3.5% and the maximum relative error is below 9% for these new testing samples. The main goal of our investigation is to build a dynamic simulation process of a MSW facility and include the dioxins formation on it using these models. PMID- 29223078 TI - Impact on mortality of biomass combustion from wildfires in Spain: A regional analysis. AB - Studies that analyse the impact on mortality of particulate matter (PM) produced by biomass combustion from wildfires mostly focus on a single city or on cities in different countries, with very few concentrating on one country as a whole. Accordingly, the aim of this paper was to analyse the impact that PM has on daily mortality in Spain on days with biomass combustion from wildfires. To analyse natural PM advections the Ministry of Agriculture and Fishing, Food & Environment divides Spain into 9 geographical regions. One province representative of each region for was selected analysis purposes, with provincial daily natural-cause mortality across the period 2004-2009 as the dependent variable, and daily mean PM concentrations in the provincial capital as the independent variable. We controlled for the effect of other chemical pollutants (NO2 and O3), maximum daily temperature on heat-wave days, day of the week, trends, seasonalities and the autoregressive nature of the series, using generalised linear models with the Poisson regression link to calculate relative risks (RRs) and the increase in RR (IRR) of PM-related mortality. The analysis was performed for days with and without biomass advections (DBA and DNBA respectively), with a breakdown by year, summer, and the remainder of the year (i.e., excluding summer). The results indicated that daily mean PM concentrations were higher on DBA than on DNBA, with statistically significant differences in most provinces. Furthermore, PM10 was associated with higher daily mortality on DBA in regions where wildfires were most frequent, but not in the remaining provinces. This translated as an IRR per 10MUg/m3 of PM of 7.93 (2.36-13.81) in the North-west, 3.76 (1.36-6.22) in the Centre and 4.46 (2.99-5.94) in the South-west, values which in all cases were statistically higher than those obtained on DNBA. The increase in PM caused by biomass advections from wildfires is linked to a significant IRR of mortality in Spain. Hence, the fact that wildfires are likely to become increasingly frequent in the context of climate change makes this type of analysis particularly necessary. PMID- 29223079 TI - Kaolinite adsorption-regeneration system for dyestuff treatment by Fenton based processes. AB - The regeneration and reuse of adsorbents is a subject of interest nowadays in order to reduce the pollution and the wastes generated in the adsorption wastewater treatment. In this work, the regeneration of the spent kaolinite by different advanced oxidation processes (Fenton, electro-Fenton and electrokinetic Fenton) was evaluated. Initially, it was confirmed the ability of a low cost clayey material, kaolinite, for the adsorption of model dye such as Rhodamine B showing Freundlich isotherm fitting. Then, the regeneration and consequent degradation of the pollutant in the adsorbent by Fenton based processes was carried out. The role of different parameters affecting the regeneration process (H2O2:Fe2+ ratio, liquid:solid ratio) were evaluated. Working at 100:1 H2O2:Fe2+ ratio and 30min near complete dye removal (around 97%) from kaolinite was obtained by Fenton treatment. After that, a two-stage treatment for adsorption regeneration was evaluated during five treatment cycles demonstrating its viability for regeneration of the adsorbent through dye degradation. Based on the successful application of Fenton technique, the improvement of the treatment by electro-Fenton and electrokinetic-Fenton were studied for different solid:liquid ratios achieving satisfactory regeneration values. PMID- 29223080 TI - Glacial influence and stream macroinvertebrate biodiversity under climate change: Lessons from the Southern Alps. AB - The aim of this work was to highlight the main ecological predictors driving invertebrate distribution in eight glacier-fed streams in the Southern Alps. Thirty-five sites belonging to four stream types were sampled monthly during the ablation season of one, two or three years between 1996 and 2014. Taxa from glacial (kryal and glacio-rhithral) and non-glacial (kreno-rhithral and lake outlet) sites were separated by canonical correspondence analysis (CCA) along a glacial influence gradient and a hydrological-altitudinal gradient. High glacial influence was associated mainly with low maximum water temperature (Tmax), high Glacial Index (calculated as a function of glacier area and distance from the glacier), and the abundance of Diamesa species (D. steinboecki, D. goetghebueri, D. zernyi, and D. latitarsis). Change-point analysis and Threshold Indicator Taxa Analysis confirmed the CCA results in identifying these Diamesa species as the taxa with the strongest preference for high percent glacier cover in the catchment (change point~30%) and low Tmax (change point~6 degrees C). Temporal changes in community structure were highlighted in seven sites fed by glaciers under different retreat rates. Where the rate was faster and the remaining glacier smaller (?1km2), the most cold-stenothermal kryal inhabitant, D. steinboecki, almost disappeared or survived only as brachypterous populations, whereas other Diamesinae (Pseudokiefferiella parva), Orthocladiinae (e.g. Eukiefferiella, Orthocladius), Limoniidae, Baetidae, Nemouridae, and non-insect taxa (e.g. Oligochaeta, Hydracarina) became more abundant. Upstream migration was observed in Diamesa spp. which conquered new stream reaches left free by the retreating glacier, and euriecious taxa which colonized reaches with ameliorated environmental conditions, no longer the exclusive habitat of Diamesa spp. Co occurrence of stochastic and deterministic assembly processes seem to drive spatio-temporal changes in these invertebrate communities. Long-term ecological studies on the adaptive biology of kryal species will be useful to predict the fate of Alpine biodiversity. PMID- 29223081 TI - Dispersion of traffic derived air pollutants into urban parks. AB - Scarce land resources in dense cities means that small urban parks are important as a leisure and amenity resource for the urban population. However, streets with heavily traffic often surround these fragmented parks and increase the potential user exposure to air pollutants from vehicles. The dispersion profiles of PM2.5 and black carbon from roadside into urban parks at pedestrian level, in Hong Kong, were measured using mobile high time resolution instruments. In the downwind direction, pollutant concentrations decreased rapidly from roadside and by some tens of metres reached relatively constant values. An even sharper gradient is found in the upwind direction, with a rapid increase detected within 2m of the road edge. The distinct decay profiles were explained with an analytical dispersion model formulated based on the gradient transport theory using an Eulerian approach. The simulations using the dispersion model suggest 17m as a typical halving distance under normal urban conditions, which is introduced to simplify the description of dispersion profiles. Using Hong Kong as an example, ~90% of urban parks, to different extent, overlap with the 17m halving distance from roads, which means few urban parks in Hong Kong avoid the impact from nearby traffic emissions. Thus, from the perspective of human exposure to air pollutants in urban parks, this study provides observations of relevance for future park design in dense cities. PMID- 29223082 TI - Deep rooted apple trees decrease groundwater recharge in the highland region of the Loess Plateau, China. AB - Unlike recharge in shallow rooted ecosystems, estimating the groundwater recharge beneath deep rooted plants that absorb water from deep soil remains difficult. The purpose of this research is to develop an approach to estimate the groundwater recharge beneath deep-rooted vegetation by combining water mass balance and chloride mass balance (CMB) and to quantify how the conversion of shallow-rooted cropland to deep-rooted apple orchards changes groundwater recharge. The proposed groundwater recharge rate under deep-rooted vegetation in this study is the difference between the groundwater recharge rate in a cropland (obtained using CMB) and the mean annual soil water storage deficit beneath an adjacent deep-rooted vegetation. The results show that the conversion from cropland (shallow-rooted) to apple orchard (deep-rooted) decreased soil water storage by 776, 1106, and 1117mm, corresponding to 19, 20, and 26-year-old apple orchards, respectively. Groundwater recharge beneath cropland, on average, was 58mmyr-1, which amounts to 10% of the average annual precipitation. Groundwater recharge beneath the apple orchards were variable, but all being <3% of the average annual precipitation. The conversion of cropland to apple orchards lead to a substantial decrease in groundwater recharge, potentially threatening the sustainability of the land use change. PMID- 29223083 TI - Activity, toxicity, molecular docking, and environmental effects of three imidazolinone herbicides enantiomers. AB - All imidazolinone (IMI) herbicides are chiral consisting of two enantiomers; however, studies on the enantioselectivities of their interactions are limited. This study is a systematic assessment of the enantiomers and racemates of IMI herbicides, including semi-preparation and determination of absolute configurations, stereoselective bioactivity toward target organisms (Echinochloa crus-galli and Microcystis aeruginosa), and toxicity toward Michigan Cancer Foundation-7 (MCF-7) cells. R-imidazolinones were found to be more active than S IMIs in the inhibition of target organisms, and neither enantiomer had estrogenic activity. Moreover, the relationship between the molecular structures and the efficiency of target growth inhibition by the IMI herbicides was investigated. Molecular modeling provided the rational structural basis for the enantioselectivity of the acetohydroxyacid synthase (AHAS) activity of the IMIs. These findings encourage the application of enantiopure R-IMI herbicides to capitalize on their advantages over the racemates. PMID- 29223084 TI - Wetlands receiving water treated with coagulants improve water quality by removing dissolved organic carbon and disinfection byproduct precursors. AB - Constructed wetlands are used worldwide to improve water quality while also providing critical wetland habitat. However, wetlands have the potential to negatively impact drinking water quality by exporting dissolved organic carbon (DOC) that upon disinfection can form disinfection byproducts (DBPs) like trihalomethanes (THMs) and haloacetic acids (HAAs). We used a replicated field scale study located on organic rich soils in California's Sacramento-San Joaquin Delta to test whether constructed flow-through wetlands which receive water high in DOC that is treated with either iron- or aluminum-based coagulants can improve water quality with respect to DBP formation. Coagulation alone removed DOC (66 77%) and THM (67-70%) precursors, and was even more effective at removing HAA precursors (77-90%). Passage of water through the wetlands increased DOC concentrations (1.5-7.5mgL-1), particularly during the warmer summer months, thereby reversing some of the benefits from coagulant addition. Despite this addition, water exiting the wetlands treated with coagulants had lower DOC and DBP precursor concentrations relative to untreated source water. Benefits of the coagulation-wetland systems were greatest during the winter months (approx. 50 70% reduction in DOC and DBP precursor concentrations) when inflow water DOC concentrations were higher and wetland DOC production was lower. Optical properties suggest DOC in this system is predominantly comprised of high molecular weight, aromatic compounds, likely derived from degraded peat soils. PMID- 29223085 TI - Global platinum group element resources, reserves and mining - A critical assessment. AB - The platinum group elements (PGEs) are used in many technologies and products in modern society, especially auto-catalysts, chemical process catalysts and specialty alloys, yet supply is dominated by South Africa. This leads PGEs to be assessed as 'critical metals', signalling concern about the likelihood and consequences of social, environmental and economic impacts from disruptions to supply. In order to better understand the global PGE situation, this paper presents a comprehensive global assessment of PGE reserves and resources and the key mining trends which can affect supply. The data shows that global PGE resources have increased from 90,733t PGEs in 2010 to 105,682t PGEs in 2015, a 16.4% increase - despite global production of 2243t PGEs over this period. This suggests that the key issues facing the PGE sector are not geological or resource depletion, but clearly social, economic and environmental in nature - as highlighted by recent social issues in South Africa and volatile global economic conditions. Concerns over PGE supply reliability and the implications of any supply disruption will therefore continue to see the PGEs labelled as critical metals - but certainly not due to resource depletion. PMID- 29223086 TI - Perceived versus actual water quality: Community studies in rural Oaxaca, Mexico. AB - Compromised water quality risks public health, which becomes particularly acute in economically marginalized communities. Although the majority of the clean water-deprived population resides in Sub-Saharan Africa and Asia, a significant portion (32 million) lives in Meso- and Latin-America. Oaxaca is one of the marginalized southern states of Mexico, which has experienced high morbidity from infectious diseases and also has suffered from a high rate of infant mortality. However, there has been a paucity of reports on the status of water quality of culturally diverse rural Oaxaca. This study follows community-based participatory research methods to address the data gap by reporting on water quality (chemical and microbiological) and by exploring social realities and water use practices within and among communities. Surveys and water quality analyses were conducted on 73 households in three rural communities, which were selected based on the choice of water sources (i.e., river water, groundwater, and spring water). Statistically significant variations among communities were observed including the sanitation infrastructure (p-value 0.001), public perception on water quality (p-value 0.007), and actual microbiological quality of water (p-value 0.001). Results indicate a high prevalence of diarrheal diseases, a desire to improve water quality and reduce the cost of water, and a need for education on water quality and health in all the surveyed communities. The complexities among the three studied communities highlight the need for undertaking appropriate policies and water treatment solutions. PMID- 29223087 TI - Oxidative stress in birds along a NOx and urbanisation gradient: An interspecific approach. AB - Urbanisation is regarded as one of the most threatening global issues for wildlife, however, measuring its impact is not always straight forward. Oxidative stress physiology has been suggested to be a useful biomarker of health and therefore, a potentially important indicator of the impact that urban environmental stressors, especially air pollution, can have on wildlife. For example, nitrogen oxides (NOx), released during incomplete combustion of fossil fuels, are highly potent pro-oxidants, thus predicted to affect either the protective antioxidants and/or cause oxidative damage to bio-molecules. To date, epidemiological modelling of the predicted association between oxidative stress and NOx exposure has not been performed in wild animals. Here, we address this short-coming, by investigating multiple oxidative stress markers in four common passerine bird species, the blue tit (Cyanistes caeruleus), great tit (Parus major), house sparrow (Passer domesticus) and tree sparrow (Passer montanus), living along a gradient of NOx and urbanisation levels in southern Sweden. First of all, the results revealed that long- and medium-term (one month and one week, respectively) NOx levels were highly correlated with the level of urbanisation. This confirms that the commonly used urbanisation index is a reliable proxy for urban air pollution. Furthermore, in accordance to our prediction, individuals exposed to higher long- and medium-term NOx levels/urbanisation had higher plasma antioxidant capacity. However, only tree sparrows showed higher oxidative damage (protein carbonyls) in relation to NOx levels and this association was absent with urbanisation. Lipid peroxidation, glutathione and superoxide dismutase levels did not co-vary with NOx/urbanisation. Given that most oxidative stress biomarkers showed strong species-specificity, independent of variation in NOx/urbanisation, the present study highlights the need to study variation in oxidative stress across contexts, seasons and life-stages in order to understand how the ecology and phylogeny of species interact to affect species resilience to urban environmental stress. PMID- 29223088 TI - Probing molecular interaction mechanisms of organic fouling on polyamide membrane using a surface forces apparatus: Implication for wastewater treatment. AB - Surface fouling is the dominant fouling mechanism of thin-film composite (TFC) membranes used in reverse osmosis (RO) technology. Understanding the complex interactions between foulant-membrane which drive the attachment and growth of foulants on membrane surface is of both fundamental and practical importance. This work aims to understand the molecular interaction mechanisms of organic fouling on RO-TFC membranes. A surface forces apparatus (SFA) was employed to directly measure the interaction forces and time-dependent adsorption behaviors between model organic foulants: humic acid (HA), bovine serum albumin (BSA), and lipopolysaccharides (LPS) and a polyamide (PA) thin film. PA thin film was prepared by interfacial condensation polymerization on mica substrates using m phenylenediamine and 1,3,5-benzenetricarbonyltrichloride. The interaction forces between PA films and different foulant (HA, BSA, LPS) were directly measured under controlled solution chemistries in an asymmetric configuration (foulant deposited PA films vs. PA films). The adsorption behaviors of these foulants on PA films were directly monitored in a symmetric configuration (PA films vs. PA films). These interactions were examined as a function of both contact time and solution chemistry (ionic strength). In asymmetrical configuration, both HA and BSA show repulsion with PA surface during approach and adhesion during separation, but LPS demonstrates repulsion only. In symmetrical configuration, all the foulants show adsorption on PA surface and the initial adsorption rate of foulant to PA surface follows the order of BSA>LPS>HA. The interaction mechanisms between PA films and foulants were discussed based on the interaction forces and interaction dynamics measurement. PMID- 29223089 TI - River water infiltration enhances denitrification efficiency in riparian groundwater. AB - Nitrate contamination in ground- and surface water is a persistent problem in countries with intense agriculture. The transition zone between rivers and their riparian aquifers, where river water and groundwater interact, may play an important role in mediating nitrate exports, as it can facilitate intensive denitrification, which permanently removes nitrate from the aquatic system. However, the in-situ factors controlling riparian denitrification are not fully understood, as they are often strongly linked and their effects superimpose each other. In this study, we present the evaluation of hydrochemical and isotopic data from a 2-year sampling period of river water and groundwater in the riparian zone along a 3rd order river in Central Germany. Based on bi- and multivariate statistics (Spearman's rank correlation and partial least squares regression) we can show, that highest rates for oxygen consumption and denitrification in the riparian aquifer occur where the fraction of infiltrated river water and at the same time groundwater temperature, are high. River discharge and depth to groundwater are additional explanatory variables for those reaction rates, but of minor importance. Our data and analyses suggest that at locations in the riparian aquifer, which show significant river water infiltration, heterotrophic microbial reactions in the riparian zone may be fueled by bioavailable organic carbon derived from the river water. We conclude that interactions between rivers and riparian groundwater are likely to be a key control of nitrate removal and should be considered as a measure to mitigate high nitrate exports from agricultural catchments. PMID- 29223090 TI - Oxidation of iopamidol with ferrate (Fe(VI)): Kinetics and formation of toxic iodinated disinfection by-products. AB - Presence of iodinated X-ray contrast media (ICMs) in source water is of high concern, because of their potential to form highly toxic iodinated disinfection by-products (I-DBPs). This study investigated kinetics, mechanisms and products for oxidation of one ICMs, iopamidol (IPM) by ferrate (Fe(VI)). The obtained apparent second-order rate constants for oxidation of IPM by Fe(VI) ranged from 0.7 M-1 s-1 to 74.6 M-1 s-1 at pH 6.0-10.0, which were highly dependent on pH. It was found that the oxidation of IPM by Fe(VI) led to the formation of highly toxic I-DBPs. Iodoform (IF), iodoacetic acid and triiodoacetic acid formations were observed during the oxidation and IF dominated the formed I-DBPs. The formation of I-DBPs was also governed by pH and the maximum formation of I-DBPs occurred at pH 9.0. Transformation pathways of IPM by Fe(VI) oxidation were speculated to proceed through deiodination, amide hydrolysis and oxidation of amine reactions. The deiodination reaction during the oxidation of IPM by Fe(VI) contributed to the formation of I-DBPs. The formation of I-DBPs during the oxidation of IPM by Fe(VI) was significantly higher than those of iohexol, diatrizoate and iopromide, which was consistent with the lowest molecular orbital energy gap of IPM. Although Fe(VI) is considered as a green oxidant, the formation of highly toxic I-DBPs during the oxidation of IPM should receive great attention. PMID- 29223091 TI - Comparative analysis of vermicompost quality produced from rice straw and paper waste employing earthworm Eisenia fetida (Sav.). AB - Present study was undertaken to investigate the vermicomposting of two different organic wastes (rice straw and paper waste) employing, Eisenia fetida. Nine feedstocks were prepared with different ratios of wastes using cow dung as bulking substrate. After pre-composting, worms were allowed to feed on different feedstocks for 105 days under laboratory conditions. The results showed that NPK content was higher in the vermicompost. Heavy metal content was also higher in the vermicomposts. Whereas total organic carbon and C:N ratio were lower after vermicomposting, by 17.38-58.04% and 19-102% respectively. SEM images revealed changes in the morphology of vermicompost. Earthworm growth and reproduction was significant in different feedstocks except one containing 50% rice straw depicting that this ratio is not suitable for the earthworms. Results further demonstrated that proportion of bulking substrate affect the earthworm growth and reproduction. PMID- 29223092 TI - Treatment of dye wastewater using an ultrasonic aided nanoparticle stacked activated carbon: Kinetic and isotherm modelling. AB - The present work explains the biosorption of malachite green dye from aquatic systems by nano zero valent iron stacked activated carbon (NZVI-AC), which was prepared by dual surface modification strategy. NZVI-AC was characterized by using FTIR, SEM-EDX, XRD and TGA. NZVI-AC exhibited efficient performance in dye biosorption properties. Experimental variables such as time, pH, dye concentration, temperature and biosorbent dosage influenced Langmuir adsorption capacity of 187.3 mg/g. The present biosorption system was best described by pseudo-first order kinetics. The dye was completely knocked out of the solution within 60 min at equilibrium. The thermodynamic behaviour of NZVI-AC was exothermic, feasible and spontaneous. Experimental data was engaged to validate new solid-liquid phase equilibrium model, showing the average absolute relative deviation 7.72%. Hence the procedure was non-toxic, potential to retain biosorbent from the solution, applicable for multiple cycles. In context, NZVI-AC can be recommended for the treatment of dyes from industrial effluent. PMID- 29223093 TI - Combined SHARON and ANAMMOX processes for ammoniacal nitrogen stabilisation in landfill bioreactors. AB - Stabilisation of ammoniacal nitrogen from solid waste and leachate significantly improved by combining novel processes like SHARON (single reactor system for high activity ammonia removal over nitrite) and ANAMMOX (anaerobic ammonium oxidation) with advantages of lower carbon requirements, aeration and N2O emissions. This paper deals with establishing combined SHARON-ANAMMOX processes in situ pilot scale landfill bioreactors (LFBR). Molecular analysis in LFBR with changes in nitrogen, hydrazine, hydroxylamine confirmed aerobic and anaerobic ammonium oxidising bacteria (AOB & ANAMMOX) as key players in SHARON-ANAMMOX processes. In situ SHARON-ANAMMOX process was established in LFBR with total nitrogen and ammoniacal nitrogen removal efficiency of 84% and 71%, respectively at NLR of 1.2 kgN/m3/d in 147 d, compared to ammoniacal nitrogen removal of 49% at NLR of 1.0 kgNH4-N/m3/d in 336 d feasible in Control LFBR. Nitrogen massbalance demonstrated in situ SHARON-ANAMMOX advantageous than control LFBR with higher nitrogen transformation to N2 (50.8%) and lower residual nitrogen in solid waste (7.7%). PMID- 29223094 TI - Characterization of cellulase from Aspergillus tubingensis NKBP-55 for generation of fermentable sugars from agricultural residues. AB - The aim of this work was to characterize cellulase from Aspergillus tubingensis NKBP-55 for generation of fermentable sugars from agricultural residues. The strain produced high titres of cellulase (750 U/gds) on copra meal in solid state fermentation (SSF). The enzyme preparation also showed hemicellulolytic activities (U/gds) viz. endo-mannanase (1023), endo-xylanase (167), beta glucosidase (72) and alpha-galactosidase (54). Zymography revealed presence of six cellulases, six mannanases and one beta-glucosidase. It effectively degraded sugarcane bagasse (SCB) and rice straw (RS) releasing xylose, glucose and cellobiose. One cellulase (Cat 1, Mr ~65 kDa) was purified and characterized. It retained more than 50% activity at 70 degrees C after 150 mins and its activity was enhanced in the presence of Mn2+ ions (130%) and beta-mercaptoethanol (140%). FTIR and 13C CP/MAS NMR analysis of the enzyme treated SCB and RS revealed degradation of cellulose and hemicellulose, while 1H and 13C liquid state NMR experiments confirmed release of glucose. PMID- 29223095 TI - High-solid anaerobic digestion of corn straw for methane production and pretreatment of bio-briquette. AB - In this study, an integrated process was developed to produce methane and high quality bio-briquette (BB) using corn straw (CS) through high-solid anaerobic digestion (HS-AD). CS was anaerobic digested by using a leach bed reactor at four leachate recirculation strategies. After digesting for 28 days, highest methane yield of 179.6 mL/g-VS, which was corresponded to energy production of 5.55 MJ/kg CS, was obtained at a higher initial recirculation rate of 32 L-leachate per day. Compared with bio-briquette manufactured from raw CS and lignite, the compressive, immersion and falling strength properties of bio-briquette made from AD-treated CS (solid digestate) and lignite were significantly improved. A preferred BB can be obtained with side compressive strength of 863.8 +/- 10.8 N and calorific value of 20.21 MJ/kg-BB. The finding of this study indicated that the integrated process could be an alternative way to produce methane and high quality BB with CS. PMID- 29223096 TI - Discovery of aliphatic-chain hydroxamates containing indole derivatives with potent class I histone deacetylase inhibitory activities. AB - Histone deacetylase (HDAC) is a validated drug target for various diseases. This study combined indole recognition cap with SAHA, an FDA-approved HDAC inhibitor used to treat cutaneous T-cell lymphoma (CTCL). The structure activity relationship of the resulting compounds that inhibited HDAC was disclosed as well. Some compounds exhibited much stronger inhibitory activities than SAHA. We identified two meta-series compounds 6j and 6k with a two-carbon linker had IC50 values of 3.9 and 4.5 nM for HDAC1, respectively. In contrast, the same oriented compounds with longer carbon chain linkers showed weaker inhibition. The result suggests that the linker chain length greatly contributed to enzyme inhibitory potency. In addition, comparison of enzyme-inhibiting activity between the compounds and SAHA showed that compounds 6j and 6k displayed higher inhibiting activity for class I (HDAC1, -2, -3 and -8). The molecular docking and structure analysis revealed structural differences with the inhibitor cap and metal-binding regions between the HDAC isozymes that affect interactions with the inhibitors and play a key role for selectivity. Further biological evaluation showed multiple cellular effects associated with compounds 6j- and 6k-induced HDAC inhibitory activity. PMID- 29223097 TI - Recent advances in microtubule-stabilizing agents. AB - Highly dynamic mitotic spindle microtubules are superb therapeutic targets for a group of chemically diverse and clinically successful anticancer drugs. Microtubule-targeted drugs disrupt microtubule dynamics in distinct ways, and they are primarily classified into two groups: microtubule destabilizing agents (MDAs), such as vinblastine, colchicine, and combretastatin-A4, and microtubule stabilizing agents (MSAs), such as paclitaxel and epothilones. Systematic discovery and development of new MSAs have been aided by extensive research on paclitaxel, yielding a large number of promising anticancer compounds. This review focuses on the natural sources, structural features, mechanisms of action, structure-activity relationship (SAR) and chemical synthesis of MSAs. These MSAs mainly include paclitaxel, taccalonolides, epothilones, FR182877 (cyclostreptin), dictyostatin, discodermolide, eleutherobin and sarcodictyins, zampanolide, dactylolide, laulimalides, peloruside and ceratamines from natural sources, as well as small molecular microtubule stabilizers obtained via chemical synthesis. Then we discuss the application prospect and development of these anticancer compounds. PMID- 29223098 TI - Trisubstituted barbiturates and thiobarbiturates: Synthesis and biological evaluation as xanthine oxidase inhibitors, antioxidants, antibacterial and anti proliferative agents. AB - Barbituric and thiobarbituric acid derivatives have become progressively attractive to medicinal chemists due to their wide range of biological activities. Herein, different series of 1,3,5-trisubstituted barbiturates and thiobarbiturates were prepared in moderate to excellent yields and their activity as xanthine oxidase inhibitors, antioxidants, antibacterial agents and as anti proliferative compounds was evaluated in vitro. Interesting bioactive barbiturates were found namely, 1,3-dimethyl-5-[1-(2 phenylhydrazinyl)ethylidene]pyrimidine-2,4,6(1H,3H,5H)-trione (6c) and 1,3 dimethyl-5-[1-[2-(4-nitrophenyl)hydrazinyl]ethylidene]pyrimidine-2,4,6(1H,3H,5H) trione (6e), which showed concomitant xanthine oxidase inhibitory effect (IC50 values of 24.3 and 27.9 MUM, respectively), and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity (IC50 values of 18.8 and 23.8 MUM, respectively). In addition, 5-[1-(2-phenylhydrazinyl)ethylidene]pyrimidine 2,4,6(1H,3H,5H)-trione (6d) also revealed DPPH radical scavenger effect, with an IC50 value of 20.4 MUM. Moreover, relevant cytotoxicity against MCF-7 cells (IC50 = 13.3 MUM) was observed with 5-[[(2-chloro-4-nitrophenyl)amino]methylene]-2 thioxodihydropyrimidine-4,6(1H,5H)-dione (7d). Finally, different 5 hydrazinylethylidenepyrimidines revealed antibacterial activity against Acinetobacter baumannii (MIC values between 12.5 and 25.0 MUM) which paves the way for developing new treatments for infections caused by this Gram-negative coccobacillus bacterium, known to be an opportunistic pathogen in humans with high relevance in multidrug-resistant nosocomial infections. The most promising bioactive barbiturates were studied in silico with emphasis on compliance with the Lipinski's rule of five as well as several pharmacokinetics and toxicity parameters. PMID- 29223099 TI - Nontoxic combretafuranone analogues with high in vitro antibacterial activity. AB - A library of thirty two 3,4-diphenylfuranones related to both combretastatin A-4 and antifungal 5-(acyloxymethyl)-3-(halophenyl)-2,5-dihydrofuran-2-ones was prepared. Cytotoxic effects on a panel of cancer and normal cell lines and antiinfective activity were evaluated, and the data were complemented with tests for the activation of caspase 3 and 7. High cytotoxicity was observed in some of the halogenated analogues, eg. 3-(3,4-dichlorophenyl)-4-(4-methylphenyl)-2,5 dihydrofuran-2-one with IC50 0.12-0.23 MUM, but the compounds were also highly toxic against non-malignant control cells. More importantly, notable antibacterial activity indicating G+ selectivity has been found in the 3,4 diarylfuranone class of compounds for the first time. Hydroxymethylation of furanone C5 knocked out cytotoxic effects (up to 40 MUM) while maintaining significant activity against Staphylococcus strains in some derivatives. MIC95 of the most promising compound, 3-(4-bromophenyl)-5,5-bis(hydroxymethyl)-4-(4 methylphenyl)-2,5-dihydrofuran-2-one against S. aureus strain ATCC 6538 was 0.98 MUM (0.38 MUg/mL) and 3.9 MUM (1.52 MUg/mL) after 24 and 48 h, respectively. PMID- 29223100 TI - Activation of anti-oxidant Nrf2 signaling by enone analogues of curcumin. AB - Inflammation and oxidative stress are common in many chronic diseases. Targeting signaling pathways that contribute to these conditions may have therapeutic potential. The transcription factor Nrf2 is a major regulator of phase II detoxification and anti-oxidant genes as well as anti-inflammatory and neuroprotective genes. Nrf2 is widespread in the CNS and is recognized as an important regulator of brain inflammation. The natural product curcumin exhibits numerous biological activities including ability to induce the expression of Nrf2 dependent phase II and anti-oxidant enzymes. Curcumin has been examined in a number of clinical studies with limited success, mainly owing to limited bioavailability and rapid metabolism. Enone analogues of curcumin were examined with an Nrf2 reporter assay to identify Nrf2 activators. Analogues were separated into groups with a 7-carbon dienone spacer, as found in curcumin; a 5-carbon enone spacer with and without a ring; and a 3-carbon enone spacer. Activators of Nrf2 were found in all three groups, many of which were more active than curcumin. Dose-response studies demonstrated that a range of substituents on the aromatic rings of these enones influenced not only the sensitivity to activation, reflected in EC50 values, but also the extent of activation, which suggests that multiple mechanisms are involved in the activation of Nrf2 by these analogues. PMID- 29223101 TI - Cognitive impairment measured by event-related potentials during early and late postoperative period following intravenous or inhalation anaesthesia. AB - OBJECTIVE: This study investigated modification in cognitive function following inhalation (IA) and total intravenous (TIVA) anaesthesia measured using auditory ERPs (Event Related Potentials). METHODS: Auditory ERPs examination with N1, P3a and P3b component registration was carried out one day before surgery (D-1) and on the first (D+1), sixth (D+6) and 42nd (D+42) days after surgery. Results were compared between two anaesthetic groups. RESULTS: On D+1, N1 latency was increased in the IA group. A significant reduction was observed in amplitude of the P3a component on D+6, which persisted up to D+42 for both IA and TIVA groups. A reduction in the amplitude of P3b on D+1 with normalization by D+6 was found in both groups as well. CONCLUSIONS: Intravenous and inhalation anaesthesia lead to similar changes in cognitive function as determined by ERPs, both during the early and late postoperative periods. It cannot be clearly confirmed whether the observed effects are due to anaesthesia or other unmonitored perioperative factors. SIGNIFICANCE: Post anaesthetic changes represent a subclinical impairment; nevertheless, they represent a potential risk for subsequent development of cognitive difficulties. PMID- 29223102 TI - Diagnosing Kernohan-Woltman notch phenomenon by somatosensory evoked potentials in intensive care unit. PMID- 29223103 TI - Bilateral early activity in the hip flexors associated with falls in stroke survivors: Preliminary evidence from laboratory-induced falls. AB - OBJECTIVE: Falls are the most common and expensive medical complication following stroke. Hypermetric reflexes have been suggested to impact post-stroke balance but no study has evaluated reflex amplitudes under real conditions of falls in this population. Our objective was to quantify the early reflexive responses during falls induced in the laboratory. METHODS: Sixteen stroke survivors were exposed to posteriorly directed treadmill perturbations that required a forward step to maintain a balance. Perturbations differed in terms of treadmill translation displacement, velocity, and acceleration. EMG amplitudes were compared between Fall/Recovery trials, as well as Fallers/Non-Fallers at two different time windows: 50-75 and 75-100 ms. RESULTS: Sixteen of 86 trials resulted in falls by nine subjects (Fallers). While no differences were found between 50 and 75 ms, EMG amplitude in the paretic rectus femoris muscle was larger between 75 and 100 ms during Fall trials. Further, a bilateral increase in RF activity was seen in Fallers but not Non-Fallers. Interestingly, the bilateral increase was related to perturbation intensity (larger EMG activity with larger perturbations) in Fallers, but again not in Non-Fallers. CONCLUSIONS: Heightened early recovery hip flexor activity between 75 and 100 ms is associated with falls and Fallers post-stroke. SIGNIFICANCE: Though requiring replication and expanded subject pools, these preliminary results reflect a possible clinically meaningful relationship between heightened reflexive responses and fall risk. Future work should evaluate the underlying mechanisms driving these heightened reflexes (e.g. stretch, startle) such that future rehabilitation techniques can address this abnormal response. PMID- 29223104 TI - Improvement of relative survival in elderly patients with acute myeloid leukaemia emerging from population-based cancer registries in Switzerland between 2001 and 2013. AB - Acute Myeloid Leukaemia (AML) is a rare and heterogeneous haematological malignancy with increasing incidence in the elderly. We performed a population based, observational analysis of AML cases reported to the Cantonal Cancer Registries in Switzerland. Data was aggregated by the National Institute for Epidemiology and Cancer Registration and stratified for the two time periods 2001 2007 and 2008-2013. Overall, 2351 new AML cases were registered with a stable age standardised incidence rate (3.0 [95 CI: 2.8-3.2] per 100,000 person-years). This indicates that our observed raise of annual AML cases (+10.9%) is mainly related to demographic ageing and not to an increase of age-specific risks. The fraction of non-classifiable AML cases decreased over time (54.6% to 41.8%) but remained high in elderly patients (65-74yrs: 44%; 75-84yrs: 54.2%, 85+yrs: 59.1%), suggesting less accurate diagnostics and reporting with increasing age. 5yrs relative survival (RS) correlated with AML risk class (favorable: 61.7%-68.4%; adverse risk: 11.4%-21.9%) and age (<65yrs: 42.6-43.3%; 75-84yrs: 2.0-3.0%), but improved only modestly overall (19.2% to 23.3%). Interestingly, we identified a significant improvement of RS in patients aged 65-74yrs (5yrs: 5.2% to 13.5%; p<0.001). As surrogate for changes in management, we found an increase of allogeneic haematopoietic stem cell transplantations (1.4 to 7%) and clinical trial activities (25 to 29%) for elderly AML patients during the observation period. Our analysis indicates that recent progress made in management of elderly AML patients results in an improvement of survival on a population-based level in Switzerland and that therapeutic nihilism is not justifiable. PMID- 29223105 TI - Towards a rapid assessment protocol for identifying pit lakes worthy of restoration. AB - Before the introduction of reclamation legislation in South Africa, final cut lakes in mining areas were left without any restoration while the final excavation was not back filled. Characteristics of these lacustrine water bodies vary considerably, but they are often linear in shape, large (1-30 ha), deep (2 30 m) and have poorly developed littoral zones. With water tables often near the surface; a variety of vascular hydrophytes can colonize these bodies, thus establishing emerging wetland type ecosystems. These, man-made aquatic structures that are (unintentionally) created potentially offers some realistic and inexpensive mitigation options for some of the negative impacts associated with mining, i.e. these water bodies can become useful by yielding potentially valuable services. However, no method currently exists to compare and rank these water bodies according ecological integrity and the expected monetary value to be derived from them in order to select sites for restoration. To answer this need, we applied an index to determine the ability of these water bodies to provide useful services in their current state. The index was then used to derive estimates of the monetary value of potential services in order to allow comparison with the cost of restoring the water body in question or to compare with other pit lakes. We present a South African case study to illustrate the method. As far as could be established, this is the first attempt towards creating a rapid assessment tool as standardised way of comparing pit lakes that allows for the ranking and identification of those pit lakes worthy of restoration. PMID- 29223106 TI - Mechanochemical conversion of chrysotile/K2HPO4 mixtures into potential sustainable and environmentally friendly slow-release fertilizers. AB - Chrysotile fibers pose a threat to public health due to their association relation to respiratory malignant lung disease such as cancer. For this reason, they must be stored and discarded appropriately, including after treatment, which raises costs. In the present study, insoluble chrysotile fibers were milled in solid state with highly soluble K2HPO4, destroying both structures, making the chrysotile nontoxic and generating a new material with potential use as sustainable slow-release fertilizer (SSRF) containing mainly K and P. Based on the mills, milling conditions and chrysotile/K2HPO4 molar ratios used, Mg originating from chrysotile fibers reacted with K and P from dibasic potassium phosphate and were transformed into MgKPO4.H2O, MgKPO4.6H2O and probably a mixture of amorphous SiO2/MgO. In this study, a zirconia planetary mill and high energy ball mill were used, both of them produced SSRF. In conclusion, it was possible to synthesize high-value and extremely useful materials for agriculture using a harmful waste. The release rate can be tailored by controlling chrysotile/K2HPO4 molar ratios, grinding speed and time, which makes the process even more promising for farming applications. PMID- 29223107 TI - Recreation economics to inform migratory species conservation: Case study of the northern pintail. AB - Quantification of the economic value provided by migratory species can aid in targeting management efforts and funding to locations yielding the greatest benefits to society and species conservation. Here we illustrate a key step in this process by estimating hunting and birding values of the northern pintail (Anas acuta) within primary breeding and wintering habitats used during the species' annual migratory cycle in North America. We used published information on user expenditures and net economic values (consumer surplus) for recreational viewing and hunting to determine the economic value of pintail-based recreation in three primary breeding areas and two primary wintering areas. Summed expenditures and consumer surplus for northern pintail viewing were annually valued at $70M, and annual sport hunting totaled $31M (2014 USD). Expenditures for viewing ($42M) were more than twice as high than those for hunting ($18M). Estimates of consumer surplus, defined as the amount consumers are willing to pay above their current expenditures, were $15M greater for viewing ($28M) than for hunting ($13M). We discovered substantial annual consumer surplus ($41M) available for pintail conservation from birders and hunters. We also found spatial differences in economic value among the primary regions used by pintails, with viewing generally valued more in breeding regions than in wintering regions and the reverse being true for hunting. The economic value of pintail-based recreation in the Western wintering region ($26M) exceeded that in any other region by at least a factor of three. Our approach of developing regionally explicit economic values can be extended to other taxonomic groups, and is particularly suitable for migratory game birds because of the availability of large amounts of data. When combined with habitat-linked population models, regionally explicit values could inform development of more effective conservation finance and policy mechanisms to enhance environmental management and societal benefits across the geographically dispersed areas used by migratory species. PMID- 29223108 TI - Impacts of sugarcane agriculture expansion over low-intensity cattle ranch pasture in Brazil on greenhouse gases. AB - Sugarcane is a widespread bioenergy crop in tropical regions, and the growing global demand for renewable energy in recent years has led to a dramatic expansion and intensification of sugarcane agriculture in Brazil. Currently, extensive areas of low-intensity pasture are being converted to sugarcane, while management in the remaining pasture is becoming more intensive, i.e., includes tilling and fertilizer use. In this study, we assessed how such changes in land use and management practices alter emissions of greenhouse gases (GHG) such as CO2, N2O and CH4 by measuring in situ fluxes for one year after conversion from low-intensity pasture to conventional sugarcane agriculture and management intensive pasture. Results show that CO2 and N2O fluxes increased significantly in pasture and sugarcane with tillage, fertilizer use, or both combined. Emissions were highly variable for all GHGs, yet, cumulatively, it was clear that annual emissions in CO2-equivalent (CO2-eq) were higher in management-intense pasture and sugarcane than in unmanaged pasture. Surprisingly, tilled pasture with fertilizer (management-intensive pasture) resulted in higher CO2-eq emissions than conventional sugarcane. We concluded that intensification of pasture management and the conversion of pasture to sugarcane can increase the emission factor (EF) estimated for sugarcane produced in Brazil. The role of management practices and environmental conditions and the potential for reducing emissions are discussed. PMID- 29223109 TI - Genome-Wide Analysis of Barrett's Adenocarcinoma. A First Step Towards Identifying Patients at Risk and Developing Therapeutic Paths. AB - BACKGROUND: Barrett's esophagus metaplasia is the key precursor lesion of esophageal adenocarcinoma. The aim of this study was to find a subset of markers that may allow the identification of patients at risk for esophageal adenocarcinoma, and to determine genes differentially expressed in esophageal squamous cell carcinoma. METHODS: Laser capture microdissection technique was applied to procure cells from defined regions. Genome-wide RNA profiling was performed on esophageal adenocarcinoma (n = 21), Barrett's esophagus (n = 20), esophageal squamous carcinoma (n = 9) and healthy esophageal biopsies (n = 18) using the Affymetrix Human Genome U133plus 2.0 array. Microarray results were validated by quantitative real-time polymerase chain reaction in a second and independent cohort and by immunohistochemistry of two putative markers in a third independent cohort. RESULTS: Through unsupervised hierarchical clustering and principal component analysis, samples were separated into four distinct groups that match perfectly with histology. Many genes down-regulated in esophageal cancers belong to the epidermal differentiation complex or the related GO-group "cornified envelope" of terminally differentiated keratinocytes. Similarly, retinol metabolism was strongly down-regulated. Genes showing strong overexpression in esophageal carcinomas belong to the GO groups extracellular region /matrix such as MMP1, CTHRC1, and INHBA. According to an analysis of genes strongly up-regulated in both esophageal adenocarcinoma and Barrett's esophagus, REG4 might be of particular interest as an early marker for esophageal adenocarcinoma. CONCLUSIONS: Our study provides high quality data, which could serve for identification of potential biomarkers of Barrett's esophagus at risk of esophageal adenocarcinoma progression. PMID- 29223110 TI - Systemic inflammatory markers associated with cardiovascular disease and acute and chronic exposure to fine particulate matter air pollution (PM2.5) among US NHANES adults with metabolic syndrome. AB - BACKGROUND: There has been no investigation to date of adults with metabolic syndrome examining the association of short and long-term exposure to fine particulate matter (PM2.5) air pollution with cardiovascular-disease related inflammatory marker (WBC and CRP) levels in a nationally representative sample. The goal of this study is to assess the susceptibility of adults with metabolic syndrome to PM2.5 exposure as suggested by increased cardiovascular-disease related inflammatory marker levels. METHODS: A cross sectional analysis of adult National Health and Nutrition Examination Survey (NHANES) participants (2000 2008) was carried out with linkage of CDC WONDER meteorological data and downscaler modeled USEPA air pollution data for census tracts in the continental United States. Participants were non-pregnant NHANES adults (2000-2008) with complete data for evaluating presence of metabolic syndrome and laboratory data on WBC and CRP. Exposures studied included short (lags 0-3 days and their averages), long-term (30 and 60 day moving and annual averages) PM2.5 exposure levels at the census tract level in the continental United States. The main outcomes included CRP and WBC levels the day of NHANES study visit analyzed using multiple linear regression, adjusting for age, gender, race, education, smoking status, history of any cardiovascular disease, maximum apparent temperature and ozone level, for participants with and without metabolic syndrome. RESULTS: A total of 7134 NHANES participants (35% with metabolic syndrome) met the inclusion criteria. After adjusting for confounders, we observed a significant effect of PM2.5 acutely at lag day 0 on CRP level; a 10ug/m3 rise in lag day 0 PM2.5 level was associated with a 10.1% increase (95% CI: 2.2-18.6%) in CRP levels for participants with metabolic syndrome. For those without metabolic syndrome, the change in CRP was -1.3% (95% CI -8.8%, 6.8%). There were no significant associations for WBC count. In this first national study of the effect of PM2.5 air pollution on levels of cardiovascular-disease related inflammatory markers in adults with metabolic syndrome, CRP levels were found to be significantly increased in those with this condition with increased fine particulate matter levels at lag day 0. With one third of US adults with metabolic syndrome, the health impact of PM2.5 in this sensitive population may be significant. PMID- 29223111 TI - Consumer response to health and environmental sustainability information regarding seafood consumption. AB - Seafood consumption has an impact on both consumers' health and on the marine environment, making the integration of health and sustainability aspects in information and recommendation messages for consumers highly topical. This study presents the results of a consumer study in terms of the impact of exposure to a message about health and sustainability aspects of seafood on 986 participants from Belgium and Portugal. Possible drivers for behavioural change regarding seafood consumption frequency and sustainable seafood buying frequency are studied following exposure to the message. Initial behaviour emerges as the most important factor triggering a change in the intention to consume seafood twice per week and a change in the intention to buy sustainable seafood. A higher health benefit perception resulted in an increased intention to consume seafood twice per week. Attitude towards the message and the option to optimise consumers' choice of seafood species favouring sustainability were significant determinants of change in the intention to buy sustainable seafood. Different stakeholders may take the results of this communication strategy into account and, consequently, contribute to a seafood supply and related communication that supports public health and the marine environment. PMID- 29223112 TI - Development of the Handwriting Legibility Scale (HLS): A preliminary examination of Reliability and Validity. AB - BACKGROUND: Demands for the production of legible handwriting produced in a timely manner increase as children progress through school. Despite the considerable number of children faced with handwriting difficulties, there is no quick and practical tool to assess legibility in this population. AIM: The aim of this study was to develop the Handwriting Legibility Scale (HLS) and to establish the scale's reliability and validity. METHODS: The HLS is a non-language dependent scale which assesses global legibility, based on five criteria applied to samples of 'free writing'. Content validity, inter-rater reliability and internal consistency were initially examined using scripts from 20 children aged 8-14 years. Construct validity was established by Principal Component Analysis (PCA) of data from 150 school children aged 9-14 years, with an additional examination of gender effects. Discriminant validity of the HLS score was examined in 29 children with Developmental Coordination Disorder (DCD) and 29 typically developing (TD) children. RESULTS: The results indicated high internal consistency (alpha=0.92). The inter-rater reliability was acceptable but indicates the need to refine the scoring instructions. PCA of the five components revealed a one factor solution explaining 61% of the variance. In the discriminant analysis, 86.2% of the children with DCD and 89.7% of the TD children were correctly classified to their groups based on the total HLS score. CONCLUSIONS: The overall findings suggest that the HLS may be a useful tool to identify poor handwriting legibility, with application across different languages and writing scripts. PMID- 29223113 TI - Comparisons of severity classification systems for oropharyngeal dysfunction in children with cerebral palsy: Relations with other functional profiles. AB - This study aimed to investigate the relationships between various classification systems assessing the severity of oropharyngeal dysphagia and communication function and other functional profiles in children with cerebral palsy (CP). This is a prospective, cross-sectional, study in a university-affiliated, tertiary care hospital. We recruited 151 children with CP (mean age 6.11 years, SD 3.42, range 3-18yr). The Eating and Drinking Ability Classification System (EDACS) and the dysphagia scales of Functional Oral Intake Scale (FOIS), Swallow Function Scales (SFS), and Food Intake Level Scale (FILS) were used. The Communication Function Classification System (CFCS) and Viking Speech Scale (VSS) were employed to classify communication function and speech intelligibility, respectively. The Pediatric Evaluation of Disability Inventory (PEDI) with the Gross Motor Function Classification System (GFMCS) and the Manual Ability Classification System (MACS) level were also assessed. Spearman correlation analysis to investigate the associations between measures and univariate and multivariate logistic regression models to identify significant factors were used. Median GMFCS level of participants was III (interquartile range II-IV). Significant dysphagia based on EDACS level III-V was noted in 23 children (15.2%). There were strong to very strong relationships between the EDACS level with the dysphagia scales. The EDACS presented strong associations with MACS, CFCS, and VSS, a moderate association with GMFCS level, and a moderate to strong association with each domain of the PEDI. In multivariate analysis, poor functioning in EDACS were associated with poor functioning in gross motor and communication functions. PMID- 29223114 TI - Regional conduction velocity calculation from clinical multichannel electrograms in human atria. AB - BACKGROUND: During atrial fibrillation, heterogeneities and anisotropies result in a chaotic propagation of the depolarization wavefront. The electrophysiological parameter called conduction velocity (CV) influences the propagation pattern over the atrium. We present a method that determines the regional CV for deformed catheter shapes, which result due to the catheter movement and changing wall contact. METHODS: The algorithm selects stable catheter positions, finds the local activation times (LAT), considers the wall contact and calculates all CV estimates within the area covered by the catheter. The method is evaluated with simulated data and then applied to four clinical data sets. Both sinus rhythm activity as well as depolarization wavefronts initiated by stimulation are analyzed. The regional CV is compared with the fractionation duration (FD) and peak-to-peak (P2P) voltages. A speed of 0.5 m/s was defined to create the simulated LAT. RESULTS: After analyzing the simulated LAT with clinical catheter spatial coordinates, the median CV of 0.5 m/s with an interquartile range of 0.22 and exact CV direction vectors were obtained. For clinical cases, the CV magnitude range of 0.08 m/s to 1.0 m/s was obtained. The P2P amplitude of 0.7 mV to 3.7 mV and the mean FD from 40.79ms to 48.66ms was obtained. The correlation of 0.86 was observed between CV and P2P amplitude, and 0.62 between CV and FD. CONCLUSION: In this paper, a method is presented and validated which calculates the CV for the deformed catheter and changing wall contact. In an exemplary clinical data set correlation between regional CV with FD and the P2P voltage was observed. PMID- 29223115 TI - Immobilization of hexavalent chromium in contaminated soils using biochar supported nanoscale iron sulfide composite. AB - Biochar supported carboxymethyl cellulose (CMC)-stabilized nanoscale iron sulfide (FeS) composite (CMC-FeS@biochar) was prepared and tested for immobilization of hexavalent chromium Cr(VI) in soil. Results of UV-vis and transmission electron microscopy (TEM) showed that the backbone of biochar suppressed the aggregation of FeS, resulting in smaller particle size and more sorption sites than bare FeS. The composite at a dosage of 2.5 mg per gram soil displayed an enhanced Cr(VI) immobilization efficiency (a 94.7% reduction in the toxicity characteristic leaching procedure (TCLP) based leachability and a 95.6% reduction in the CaCl2 extraction) compared to plain biochar and bare FeS. Sequential extraction procedure (SEP) and X-ray photoelectron spectroscopy (XPS) analysis suggested that CMC-FeS@biochar promoted the conversion of more accessible Cr (exchangeable and carbonate-bound fractions) into the less accessible forms (iron-manganese oxides-bound, organic material-bound, and residual fractions) to reduce the toxicity of Cr(VI) and that surface sorption and reduction were dominant mechanisms for Cr(VI) immobilization. CMC-FeS@biochar greatly reduced the bioavailability of Cr(VI) to wheat and earthworms (Eisenia fetida). Moreover, the application of CMC-FeS@biochar enhanced soil organic matter content and microbial activity. This work highlighted the potential of CMC-FeS@biochar composite as a low-cost, "green", and effective amendment for immobilizing Cr(VI) in contaminated soils and improving soil properties. PMID- 29223116 TI - Effect of pre-pyrolysis mode on simultaneous introduction of nitrogen/oxygen containing functional groups into the structure of bagasse-based mesoporous carbon and its influence on Cu(II) adsorption. AB - A convenient effective microwave pre-pyrolysis treatment to synthesize biomass based mesoporous carbon with higher nitrogen/oxygen-chelating adsorption for Cu(II) is reported here, in which phosphoric acid impregnated bagasse was used as a microwave absorber and porogen. For comparison, conventional electric-heating pyrolyzed carbon was prepared and doped with nitrogen/oxygen groups. Nitrogen adsorption, scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy (XPS) and batch adsorption were employed to investigate the effects of the two pre-pyrolysis modes on the sample physicochemical and Cu(II) adsorptive properties. The 22-min-microwave-pyrolyzed bagasse mesoporous activated carbon (MBAC, 85.32% mesoporosity) contained 10.52% O, which is 3.94% more than electric-heating pyrolyzed mesoporous activated carbon (89.52% mesoporosity). After electrophilic aromatic substitutions of N/O doping, the former possessed more N (5.83%) and more O (21.40%), confirming that time-saving energy-efficient microwave pyrolysis favors the formation of defective C/O atoms in or at the edges of the graphite layer of MBAC, which are highly active and tend to act as preferred reactive positions for the doping of N/O-containing groups simultaneously compared with conventional electric-heating pyrolysis. These N and O species existed mainly as COOH, OH, NH and NH2 functional groups, and were confirmed by XPS to be active sites for metal binding via electrostatic attraction, hydrogen bonding, a chelate effect and complexation, resulting in the great enhancement of Cu(II) adsorption. Langmuir isotherm and pseudo-second-order kinetic fitting further proved that Cu(II) adsorption by N/O-doped MBAC is ascribed mainly to chemisorption. Therefore, rapid microwave pre-pyrolysis provides a promising route to prepare excellent performance N/O-doped carbon adsorbents. PMID- 29223117 TI - Removal of veterinary antibiotics from wastewater by electrocoagulation. AB - The aim of this study was to assess the effectiveness of veterinary antibiotic removal from wastewater using an electrocoagulation method. The removal efficiency of ampicillin, doxycycline, sulfathiazole and tylosin; the antibiotic degradation degree after electrolysis; and the toxicity and qualitative composition of antibiotic solutions after electrocoagulation were determined in the experiments. HPLC-QTOF was used for quantitative and qualitative determination. The eco-toxicity was assessed using the MARA(r) assay. After electrocoagulation, the concentration of ampicillin, doxycycline, sulfathiazole and tylosin in wastewater decreased 3.6 +/- 3.2%, ~100%, 3.3 +/- 0.4% and 3.1 +/- 0.3%, respectively. Doxycycline was the only antibiotic effectively removed from wastewater during electrocoagulation. Simultaneously, part of this antibiotic underwent oxidative degradation. As a result of this process, the eco-toxicity in the reaction environment decreased. PMID- 29223118 TI - Speciation of chromium compounds from humic acid-zeolite Y to an ionic liquid during extraction. AB - By synchrotron X-ray absorption spectroscopy, chemical structures of hexavalent chromium (Cr(VI))/trivalent chromium (Cr(III)) adsorbed on humic acid (HA) zeolite Y and extracted in an ionic liquid (1-butyl-3-methylimidazolium tetrafluoroborate ([C4mim][BF4])) have been studied. By combining the competitive adsorption results and reduction of Cr(VI)-HA with the carboxyl groups of HA, Cr(III)-HA (58%) was shown to be the major compound in HA-zeolite Y using synchrotron X-ray absorption near-edge structure (XANES) spectroscopy. In an ionic liquid phase, the reduction of Cr(VI)-HA to Cr(III)-HA and the desorption of Cr(III) from HA were caused by [C4mim][BF4]. The 9F nuclear magnetic resonance (NMR) spectra show that the perturbation of the [C4mim][BF4] anion was affected by the extractable chromium species. The formation of a Cr(III) ion affected the increase in the bond distance for the 1st shell CrO of the chromium species in [C4mim][BF4] using extended X-ray absorption fine structure (EXAFS) spectroscopy. The changes in the non-extractable chromium species remaining in HA-zeolite Y were also caused by [C4mim][BF4] during extraction. The desorption of the absorbed Cr(III) on HA and zeolite Y was observed to form Cr(III) ions. As the percentage of Cr(III) ions remaining in HA-zeolite Y increased, a slightly greater bond distance for CrO was found at 2.01 A. The enhanced reduction of Cr(VI)-HA and desorption of Cr(III) adsorbed on the HA and zeolite Y to form Cr(III) ions were affected by [C4mim][BF4]. Increased mobility of Cr(III) in the simulated soil can promote the migration of Cr(III) ions into the H2O during soil washing for remediation. PMID- 29223119 TI - Bio fabrication of silver nanoparticles as an effective wound healing agent in the wound care after anorectal surgery. AB - Nowadays biological mediated syntheses of metal nanoparticles were utilized for various life caring applications. Our research group utilized Delonix elata leaf aqueous extract for the synthesis of silver nanoparticles. Further the synthesized silver nanoparticles were subjected for various characterization techniques which resulted in spherically agglomerated with biological components entrapped in it and also with average particle size of 36nm were studied and reported. Later the synthesized silver nanoparticles were subjected for wound healing property by size of measured lessions and body weight which results in better wound healing property were studied and discussed. PMID- 29223120 TI - De-icing salt contamination reduces urban tree performance in structural soil cells. AB - Salts used for de-icing roads and sidewalks in northern climates can have a significant impact on water quality and vegetation. Sub-surface engineering systems, such as structural soil cells, can regulate water runoff and pollutants, and provide the necessary soil volume and irrigation to grow trees. However, the ability of such systems to manage de-icing salt contamination, and the impact of this contamination on the trees growing in them, have not been evaluated. We report on an field investigation of de-icing salt contamination in structural cells in two street-revitalization projects in Toronto, Canada, and the impact of this contamination on tree performance. We analyzed soil chemistry and collected tree attributes; these data were examined together to understand the effect of salinity on tree mortality rates and foliar condition. Data collected from continuous soil salinity loggers from April to June for one of the two sites were used to determine whether there was a long-term accumulation of salts in the soils. Results for both sites indicate that both sites displayed high salinity and alkalinity, with levels elevated beyond those suggested before those reported to cause negative tree effects. For one site, trees that were alive and trees that had a better foliar condition had significantly lower levels of soil salinity and alkalinity than other trees. High salinity and alkalinity in the soil were also associated with lower nutrient levels for both sites. Although tests for salinity accumulation in the soils of one site were negative, a longer monitoring of the soil conditions within the soil cells is warranted. Despite structural cells being increasingly utilized for their dual role in storm-water management and tree establishment, there may be a considerable trade-off between storm-water management and urban-forest function in northern climates where de icing salt application continues to be commonplace. PMID- 29223121 TI - From information to participation and self-organization: Visions for European river basin management. AB - The European Union Water Framework Directive (EU WFD, 2000) calls for active inclusion of the public in the governance of waterbodies to enhance the effectiveness and legitimacy of water management schemes across the EU. As complex socio-ecological systems, river basins in western Europe could benefit from further support for inclusive management schemes. This paper makes use of case studies from Germany, England and Spain to explore the potential opportunities and challenges of different participatory management approaches. Grounded in theoretical considerations around participation within ecological management schemes, including Arnstein's Ladder of Participation and commons theories, this work provides an evaluation of each case study based on key indicators, such as inclusivity, representativeness, self-organization, decision making power, spatial fit and temporal continuity. As investors and the public develop a heightened awareness for long-term sustainability of industrial projects, this analysis supports the suggestion that increased participatory river basin management is both desirable and economically feasible, and should thus be considered a viable option for future projects aiming to move beyond current requirements of the European Union Water Framework Directive. PMID- 29223122 TI - A comprehensive review of spatial allocation of LID-BMP-GI practices: Strategies and optimization tools. AB - Low-impact development (LID), best management practice (BMP), and green infrastructure (GI) are semi-engineered stormwater management practices that have been widely studied and implemented worldwide. Implemented in the complex environment of urban areas, LID-BMP-GI practices often intertwine with a very large number of hydro-environmental and socio-economic considerations and constraints. Therefore, they need to be carefully selected, designed, and allocated within an urban area. Both planning and optimization can lead to more systematic and strategic approaches to address this multi-scale, multi-parameter problem of practice allocation. In this review, we first identify the main components of the strategic planning cycle, their scope and inter-relationships, and their corresponding mathematical representations. We then present a comprehensive review of the existing literature on spatial allocation optimization tools (SAOTs) for LID-BMP-GI practices and summarize the generic structure and the systematic typology of the existing SAOTs. We conclude with a discussion of several current research gaps in the spatial allocation of LID-BMP GI practices. In this review, we aim to summarize the strategies and optimization tools for the spatial allocation of LID-BMP-GI practices that are beneficial to practitioners. The other aim is to provide recommendations for future research on the development of more advanced and comprehensive SAOTs. PMID- 29223123 TI - Differentiation of human blood from animal blood using Raman spectroscopy: A survey of forensically relevant species. AB - The identification of blood samples is a crucial facet of forensic investigations, particularly for violent crimes. One step in forensic serology (i.e., the analysis of bodily fluids) that is often skipped or overlooked is the determination that a bloodstain is of human or nonhuman origin. Typically, subsequent to identifying a stain as blood using a presumptive blood test, which have the propensity of providing false positive results, the stain is submitted for extraction of a DNA profile to compare with those in a database. It is extremely uncommon that evidentiary bloodstains are confirmed as being of human origin throughout the serological analysis. Therefore, time, money, and other resources can be wasted on obtaining a DNA profile from a bloodstain that may not be of human origin; if the intent was to obtain a human DNA profile and not that of an animal. This work demonstrates an important advancement of a previous study for nondestructive differentiation of human and animal blood using Raman spectroscopy coupled with partial least squares discriminant analysis (PLSDA). Raman spectra of blood from six species of animals, not previously accounted for, including chimpanzee, deer, elk, ferret, fish, and macaque were used to test a PLSDA classification method. These animal species are forensically relevant since they are (i) involved in wildlife crimes, (ii) consumed by humans, or (iii) known to produce a false positive result when their blood is tested with certain presumptive human blood tests. An external validation sensitivity of 1.00 and specificity of 0.93 for human class predictions was obtained from the PLSDA model constructed for this study. Using receiver operating characteristic (ROC) analysis of external human class predictions, the PLSDA model demonstrated 99% accuracy in being able to correctly classify any random blood sample as human or nonhuman. This is a significant advancement over the previous work and a very important finding as it demonstrates the superb selectivity of the developed method with high accuracy in being able to correctly predict the nonhuman origin of bloodstains from unknown animal species. PMID- 29223124 TI - Activation of mitochondrial KATP channels mediates neuroprotection induced by chronic morphine preconditioning in hippocampal CA-1 neurons following cerebral ischemia. AB - PURPOSE: Pharmacologic preconditioning, through activating several mechanisms and mediators, can increase the tolerance of different tissues against ischemia/reperfusion (I/R) injury. Recent studies have shown that morphine preconditioning has protective effects in different organs, especially in the heart. Nevertheless, its mechanisms are not well elucidated in the brain. The present study aimed to clarify whether the activation of mitochondrial KATP (mKATP) channels in chronic morphine (CM) preconditioning could decrease hippocampus damage following I/R injury. MATERIALS AND METHODS: CM preconditioning was performed by the administration of additive doses of morphine for 5days before I/R injury induction. I/R injury was induced by the occlusion of bilateral common carotid arteries. The possible role of mKATP channels was evaluated by the injection of 5-hydroxydecanoate (5-HD) before I/R injury. Terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) was performed to detect apoptosis in hippocampal neurons. The expressions of B-cell lymphoma-2 (Bcl-2) and Bcl-2-associated X protein (BAX) and levels of malondialdehyde (MDA) and catalase (CAT) enzymes were assessed. RESULTS: CM attenuated apoptosis in the hippocampal CA1 neurons (P<0.001 vs I/R), and mKATP channel blocking with 5-HD significantly increased apoptosis (P<0.001 vs CM+I/R). CM increased CAT activity (P<0.05 vs I/R) and Bcl-2 protein expression (P<0.01 vs I/R), while it decreased MDA level (P<0.05 vs I/R) and BAX protein expression (P<0.05 vs I/R). Pretreatment with 5-HD abolished all the above-mentioned effects of CM. CONCLUSIONS: These findings describe novel evidence whereby CM preconditioning in hippocampal CA1 neurons can improve oxidative stress and apoptosis through the activation of mKATP channels and eventually protect the hippocampal tissue against I/R injury. PMID- 29223125 TI - TGF-beta and inflammatory blood markers in prediction of intraperitoneal adhesions. AB - PURPOSE: Intraperitoneal adhesions (IA) develop as a consequence of the healing process in peritoneum injured during surgeries. IA might be formed after all types of surgical interventions regardless the surgical approach with a higher incidence in obese individuals. Here we determine the diagnostic power of TGF beta and blood inflammatory parameters in the prediction of IA in obese patients undergoing second surgical intervention. MATERIALS AND METHODS: Eighty patients were divided into groups according to body mass index (BMI) values and presence of intraperitoneal adhesions (IA). Evaluation of peritoneal adhesion index (PAI), serum TGF-beta and blood inflammatory parameters was performed. RESULTS: Level of TGF-beta, C-reactive protein (CRP), leukocytes, neutrophil to lymphocyte ratio and platelet to lymphocyte ratio were significantly higher in obese patients while TGF-beta, CRP, and leukocytes were higher in patients with IA. There was a significant correlation between PAI values and TGF-beta concentration (p<0.001; r=0.869) in IA group. CONCLUSIONS: The preoperative TGF-beta concentration, BMI, CRP and NLR could be strong predictors of intraperitoneal adhesions in patients with the history of surgeries. PMID- 29223126 TI - HPeV-3 predominated among Parechovirus A positive infants during an outbreak in 2013-2014 in Queensland, Australia. AB - BACKGROUND: Parechoviruses (HPeV) are endemic seasonal pathogens detected from the respiratory tract, gut, blood and central nervous system (CNS) of children and adults, sometimes in conjunction with a range of acute illnesses. HPeV CNS infection may lead to neurodevelopmental sequelae, especially following infection by HPeV-3, hence screening and genotyping are important to inform epidemiology, aetiology and prognosis. OBJECTIVES: To identify and characterise HPeVs circulating during an outbreak between November 2013 and April 2014 in Queensland, Australia. STUDY DESIGN: To perform PCR-based screening and comparative nucleotide sequence analysis on samples from children with clinically suspected infections submitted to a research laboratory for HPeV investigations. RESULTS: HPeVs were detected among 25/62 samples, identified as HPeV-3 from 23 that could be genotyped. These variants closely matched those which have occurred worldwide and in other States of Australia. CONCLUSIONS: The inclusion of PCR based HPeV testing is not systematically applied but should be considered essential for children under 3 months of age with CNS symptoms as should long term follow-up of severe sepsis-like cases. PMID- 29223127 TI - Be my baby: patterning toward plant germ cells. AB - In flowering plants, germ cells are formed via tightly coordinated patterning processes that facilitate specification of spore mother cells and meiosis during sporogenesis, as well as functional differentiation of germ cells in gametogenesis. Studies using the conventional Arabidopsis system and the newly emerged bryophyte system have revealed novel interactions between regulatory factors that restrict the number of spore mother cells, and evolutionarily conserved factors that promote germ cell differentiation. This short review summarizes recent advances in our understanding of the cellular events that lead to the formation of germ cells in plants, and highlights questions that remain to be addressed in the field. PMID- 29223128 TI - Child protective services utilization of child abuse pediatricians: A mixed methods study. AB - Several children's hospitals and medical schools across Texas have child abuse pediatricians (CAPs) who work closely with child protection workers to help ensure accurate assessments of the likelihood of maltreatment in cases of suspected abuse and neglect. Since the state does not mandate which cases should be referred to a CAP center, we were interested in studying factors that may influence workers' decisions to consult a CAP. We used a mixed methods study design consisting of a focus group followed by a survey. The focus group identified multiple factors that impact workers' decision-making, including several that involve medical providers. Responses from 436 completed surveys were compared to employees' number of years of employment and to the state region in which they worked. Focus group findings and survey responses revealed frustration among many workers when dealing with medical providers, and moderate levels of confidence in workers' abilities to make accurate determinations in cases involving medical information. Workers were more likely to refer cases involving serious physical injury than other types of cases. Among workers who reported prior interactions with a CAP, experiences and attitudes regarding CAPs were typically positive. The survey also revealed significant variability in referral practices by state region. Our results suggest that standard guidelines regarding CAP referrals may help workers who deal with cases involving medical information. Future research and quality improvement efforts to improve transfers of information and to better understand the qualities that CPS workers appreciate in CAP teams should improve CAP-CPS coordination. PMID- 29223130 TI - The expression of the embryonic gene Cripto-1 is regulated by OCT4 in human embryonal carcinoma NCCIT cells. AB - Cripto-1 and OCT4, expressed in stem cells and cancers, play important roles in tumorigenesis. Here, we demonstrate that Cripto-1 expression is regulated by OCT4 in human embryonic carcinoma NCCIT cells. The endogenous expression of Cripto-1 and OCT4 is significantly reduced during differentiation. Cripto-1 expression is increased by OCT4 overexpression, but decreased by shRNA-mediated OCT4 knockdown. OCT4 overexpression significantly activates Cripto-1 transcriptional activity. A 5'-upstream minimal promoter sequence in the gene-encoding Cripto-1 is significantly activated by OCT4 overexpression. Mutation of the putative OCT4 binding site abolishes OCT4-mediated activation of the Cripto-1 promoter. The OCT4 transactivation domains mediate transcriptional activity of the Cripto-1 minimal promoter through direct interaction. Taken together, OCT4 plays an important role as a transcriptional activator of Cripto-1 expression in NCCIT cells. PMID- 29223129 TI - The M458L missense mutation disrupts the catalytic properties of Parkin. AB - Parkin encodes an E3 ubiquitin ligase, and mutations affecting its catalytic potential are implicated in autosomal recessive Parkinson's disease (PD). The M458L mutation of parkin and its enzymatic effects require characterization. Therefore, we examined the enzymatic activity of Parkin with M458L mutation. We show that the M458L mutant retains its autoubiquitination potential in vitro but not in cells. Fas-associated factor 1 and p38 (substrates of Parkin) are able to bind to the M458L mutant in cells; however, these Parkin substrates are not ubiquitinated and degraded in M458L mutant-transfected cells. Moreover, M458L mutant fails to protect the mitochondria against hydrogen peroxide, leading to cell death. Considering the role of mitochondrial dysfunction in PD pathogenesis, our results imply a causative role for the M458L mutation in neurodegeneration. PMID- 29223131 TI - Photodynamic therapy in the treatment of symptomatic oral lichen planus: A systematic review. AB - BACKGROUND: The aim of this systematic review was to assess the efficacy of photodynamic therapy (PDT) in the treatment of symptomatic oral lichen planus (OLP). METHODS: This systematic review aimed to address the following focused question: "Is PDT effective in the treatment of symptomatic OLP?" Indexed databases such as MEDLINE, EMBASE, and CENTRAL were searched up to and including August 2017. RESULTS: Six clinical studies were included. The risk of bias was considered high in 5 studies and moderate in one study. Parameters of PDT such as wavelengths, energy fluence, power density and exposure time ranged between 320 660 nm, 120 J/cm2 , 130 mW/cm2 , and 70-150 seconds, respectively. The follow-up period ranged from 4 to 48 weeks. All included studies reporting clinical scores showed that PDT was effective in the treatment of OLP in adult patients at follow up. However, PDT did not show significant improvement when compared with steroid therapy. CONCLUSION: Photodynamic therapy appears to have some effect in the symptomatic treatment of OLP in adult patients. However, further randomized controlled trials with long follow-up period, standardized PDT parameters, and comparing the efficacy of PDT with steroid therapy are warranted to obtain strong conclusions in this regard. PMID- 29223132 TI - Homelessness and Emergency Medicine: A Review of the Literature. AB - OBJECTIVES: We aimed to synthesize the available evidence on the demographics, prevalence, clinical characteristics, and evidence-based management of homeless persons in the emergency department (ED). Where appropriate, we highlight knowledge gaps and suggest directions for future research. METHODS: We conducted a systematic literature search following databases: PubMed, Ovid, and Google Scholar for articles published between January 1, 1990, and December 31, 2016. We supplemented this search by cross-referencing bibliographies of the retrieved publications. Peer-reviewed studies written in English and conducted in the United States that examined homelessness within the ED setting were included. We used a qualitative approach to synthesize the existing literature. RESULTS: Twenty-eight studies were identified that met the inclusion criteria. Based on our study objectives and the available literature, we grouped articles examining homeless populations in the ED into four broad categories: 1) prevalence and sociodemographic characteristics of homeless ED visits, 2) ED utilization by homeless adults, 3) clinical characteristics of homeless ED visits, and 4) medical education and evidence-based management of homeless ED patients. CONCLUSION: Homelessness may be underrecognized in the ED setting. Homeless ED patients have distinct care needs and patterns of ED utilization that are unmet by the current disease-oriented and episodic models of emergency medicine. More research is needed to determine the prevalence and characteristics of homelessness in the ED and to develop evidence-based treatment strategies in caring for this vulnerable population. PMID- 29223133 TI - How stress contributes to autoimmunity-lessons from Sjogren's syndrome. AB - A large body of clinical evidence on the association between stressful life events and autoimmune diseases suggests that stress may play an important role in the pathogenesis of these disorders. In this article, we discuss the effects of stress, not on the immune system but on specific cell populations against which the autoimmune reactivity is directed. Using Sjogren's syndrome as a model autoimmune disease, we review the role of stress in the initiation and perpetuation of autoimmune reactivity. We present data that reveal the effects of stress on salivary gland epithelial cells, suggesting that stress can become immunogenic through its various effects on salivary gland epithelium. PMID- 29223134 TI - Rapid soil formation after glacial retreat shaped by spatial patterns of organic matter accrual in microaggregates. AB - Global change contributes to the retreat of glaciers at unprecedented rates. The deglaciation facilitates biogeochemical processes on glacial deposits with initiating soil formation as an important driver of evolving ecosystems. The underlying mechanisms of soil formation and the association of soil organic matter (SOM) with mineral particles remain unclear, although further insights are critical to understand carbon sequestration in soils. We investigated the microspatial arrangement of SOM coatings at intact soil microaggregate structures during various stages of ecosystem development from 15 to >700 years after deglaciation in the proglacial environment of the Damma glacier (Switzerland). The functionally important clay-sized fraction (<2 MUm) was separated into two density fractions with different amounts of organo-mineral associations: light (1.6-2.2 g/cm3 ) and heavy (>2.2 g/cm3 ). To quantify how SOM extends across the surface of mineral particles (coverage) and whether SOM coatings are distributed in fragmented or connected patterns (connectivity), we developed an image analysis protocol based on nanoscale secondary ion mass spectrometry (NanoSIMS). We classified SOM and mineral areas depending on the 16 O- , 12 C- , and 12 C14 N distributions. With increasing time after glacial retreat, the microspatial coverage and connectivity of SOM increased rapidly. The rapid soil formation led to a succession of patchy distributed to more connected SOM coatings on soil microaggregates. The maximum coverage of 55% at >700 years suggests direct evidence for SOM sequestration being decoupled from the mineral surface, as it was not completely masked by SOM and retained its functionality as an ion exchange site. The chemical composition of SOM coatings showed a rapid change toward a higher CN:C ratio already at 75 years after glacial retreat, which was associated with microbial succession patterns reflecting high N assimilation. Our results demonstrate that rapid SOM sequestration drives the microspatial succession of SOM coatings in soils, a process that can stabilize SOM for the long term. PMID- 29223135 TI - Simultaneous anti-diabetic and anti-vascular calcification activity of Nocardia sp. UTMC 751. AB - : Alpha-amylase can act as a significant player in causing hyperglycaemia, leading to protein glycation, which is the main complication in this condition, besides causing vascular calcification (VC), an important vascular failure caused due to this. In order to find a natural source of the biocompounds with inhibitory effects on alpha-amylase, 15 fermentation broth extracts of actinobacteria (FBEA) (200 MUg ml-1 ) have been screened. Finally, the effects of the most efficient FBE have been investigated on osteopontin (OPN, a VC marker) mRNA level in the vascular smooth muscle cells under the calcification conditions, and the chemical constituents of the most efficient FBE were analysed using gas chromatography and mass spectrometry (GC-MS) analysis. The tested FBEA showed anti-amylase (7.2-21%) and anti-denaturation (7.5-37%) activities. Among the tested FBEA, Nocardia sp. UTMC 751 FBE showed the highest anti-amylase activity (21%). This treatment group also displayed the minimum fructosamine and the maximum thiol groups content. In addition, this FBE reduced the mRNA level of the OPN (fourfold). The GC-MS analysis demonstrated the existence of three volatile and known antioxidants including pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-3-(2-methylpropyl)-, pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro-3 (phenylmethyl)- and methyl ester of 3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid in the FBE of Nocardia sp. UTMC 751. The results indicated that Nocardia sp. UTMC 751 is a considerable source of bioactive compounds that are effective against the direct and indirect pathological targets involved in diabetes. This study highlights the significant potential of rare Actinomycetes in producing pharmaceutically important biocompounds. SIGNIFICANCE AND IMPACT OF THE STUDY: Actinobacteria are one of the best natural libraries for discovering drugs. Various commercial drugs have been developed against infectious and metabolic disorders from actinobacteria; however, there is no report on their simultaneous inhibitory effect against diabetes, a life-threatening disease, and its related pathological processes, like inflammation and vascular calcification (VC). In this research, after several screening, Nocardia sp. UTMC 751 was introduced as the first microbial source exhibiting a simultaneous inhibitory activity on the targets, including hyperglycaemia and protein glycation, and other involved pathological processes like inflammation and VC. PMID- 29223136 TI - Allele exchange at the EPSPS locus confers glyphosate tolerance in cassava. AB - Effective weed control can protect yields of cassava (Manihot esculenta) storage roots. Farmers could benefit from using herbicide with a tolerant cultivar. We applied traditional transgenesis and gene editing to generate robust glyphosate tolerance in cassava. By comparing promoters regulating expression of transformed 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) genes with various paired amino acid substitutions, we found that strong constitutive expression is required to achieve glyphosate tolerance during in vitro selection and in whole cassava plants. Using strategies that exploit homologous recombination (HR) and nonhomologous end-joining (NHEJ) DNA repair pathways, we precisely introduced the best-performing allele into the cassava genome, simultaneously creating a promoter swap and dual amino acid substitutions at the endogenous EPSPS locus. Primary EPSPS-edited plants were phenotypically normal, tolerant to high doses of glyphosate, with some free of detectable T-DNA integrations. Our methods demonstrate an editing strategy for creating glyphosate tolerance in crop plants and demonstrate the potential of gene editing for further improvement of cassava. PMID- 29223137 TI - Sysmex UF-1000i flow cytometer to screen urinary tract infections: the URISCAM multicentre study. AB - : The new Sysmex UF-1000i analyzer - which incorporates bacteria morphology distinction - allows to automatically screen samples to be cultured at microbiology laboratories. We have evaluated the feasibility and accuracy of Sysmex UF-1000i to screen urinary tract infections (UTIs). A total amount of 2468 urine samples from six Spanish hospitals were analysed. Demographic and clinical data such as age, gender, source and sample type, preserving conditions, cytometer parameters (bacteria, leucocytes and bacteria morphology) as well as urine culture results (gold standard) were recorded. After applying data mining techniques, the variables of age, bacteria count and rod morphology were defined as predictive variables of UTIs. By using the UF-1000i in combination with a predictive algorithm of three decision rules, we could identify 94.9 and 47.4% positive and negative urine samples, respectively, with a negative predictive value of 97 and only 1.17% diagnostic error. This error was reduced down to 0.4% when contaminated samples were excluded. Our results show that flow cytometry parameters together with age, by means of a predictive algorithm model, can be used to screen UTIs. Its implementation would avoid culturing 38% of urine samples, and therefore, would reduce time to diagnosis with a discrete false negative ratio. SIGNIFICANCE AND IMPACT OF THE STUDY: Fluorescent flow cytometry performance has recently spread for urine screening. However, controversy about cytometer results can be drawn from medical literature. This study shows the diagnosis accuracy of Sysmex UF-1000i analyzer by means of a group of decision rules encompassing both demographic variables (age) and cytometer parameters (bacteria, leucocytes and bacteria morphology). After applying the predictive algorithm, the UF-1000i could optimally identify 95% urinary tract infections with high negative predictive value and low diagnostic error. Implementation of UF-1000i would avoid culturing almost 38% of urine samples, thus reducing time to diagnosis, unnecessary antibiotic treatments and consequently improving cost effectiveness. PMID- 29223138 TI - Plant-expressed Fc-fusion protein tetravalent dengue vaccine with inherent adjuvant properties. AB - Dengue is a major global disease requiring improved treatment and prevention strategies. The recently licensed Sanofi Pasteur Dengvaxia vaccine does not protect children under the age of nine, and additional vaccine strategies are thus needed to halt this expanding global epidemic. Here, we employed a molecular engineering approach and plant expression to produce a humanized and highly immunogenic poly-immunoglobulin G scaffold (PIGS) fused to the consensus dengue envelope protein III domain (cEDIII). The immunogenicity of this IgG Fc receptor targeted vaccine candidate was demonstrated in transgenic mice expressing human FcgammaRI/CD64, by induction of neutralizing antibodies and evidence of cell mediated immunity. Furthermore, these molecules were able to prime immune cells from human adenoid/tonsillar tissue ex vivo as evidenced by antigen-specific CD4+ and CD8+ T-cell proliferation, IFN-gamma and antibody production. The purified polymeric fraction of dengue PIGS (D-PIGS) induced stronger immune activation than the monomeric form, suggesting a more efficient interaction with the low affinity Fcgamma receptors on antigen-presenting cells. These results show that the plant-expressed D-PIGS have the potential for translation towards a safe and easily scalable single antigen-based tetravalent dengue vaccine. PMID- 29223139 TI - Novel treatments for inflammatory bowel disease. AB - Increased understanding of the immunopathology of inflammatory bowel disease (IBD) has led to the development of targeted therapies and has unlocked a new era in IBD treatment. The development of treatment options aimed at a variety of pathological mechanisms offers new hope for customized therapies. Beyond anti tumor necrosis factor agents, selective lymphocyte trafficking inhibitors have been proposed as potent drugs for IBD. Among these, vedolizumab has recently been approved for both Crohn's disease and ulcerative colitis. Numerous other agents for IBD treatment are currently under investigation, including Janus kinase inhibitors, anti-mucosal vascular addressin cell adhesion molecule-1 agents, an anti-SMAD7 antisense oligonucleotide, an anti-interleukin-12/23 monoclonal antibody, and a sphingosine-1-phosphate receptor-1 selective agonist. These agents will likely expand the treatment options available for the management of IBD patients in the future. In this review, we discuss the efficacy and safety of novel agents currently under investigation in IBD clinical trials. PMID- 29223140 TI - Collagen-Induced Arthritis Analysis in Rhbdf2 Knockout Mouse. AB - Rhomboid family member 2 gene (Rhbdf2) is an inactive homologue lacking essential catalytic residues of rhomboid intramembrane serine proteases. The protein is necessary for maturation of tumor necrosis factor-alpha (TNF-alpha) converting enzyme, which is the molecule responsible for the release of TNF-alpha. In this study, Rhbdf2 knockout (KO) mice were produced by CRISPR/CAS9. To see the effects of the failure of TNF-alpha release induced by Rhbdf2 gene KO, collagen-induced arthritis (CIA), which is the representative TNF-alpha related disease, was induced in the Rhbdf2 mutant mouse using chicken collagen type II. The severity of the CIA was measured by traditional clinical scores and histopathological analysis of hind limb joints. A rota-rod test and grip strength test were employed to evaluate the severity of CIA based on losses of physical functions. The results indicated that Rhbdf2 mutant mice showed clear alleviation of the clinical severity of CIA as demonstrated by the significantly lower severity indexes. Moreover, a grip strength test was shown to be useful for the evaluation of physical functional losses by CIA. Overall, the results showed that the Rhbdf2 gene has a significant effect on the induction of CIA, which is related to TNF alpha. PMID- 29223141 TI - Molecular and Functional Characterization of Choline Transporter-Like Proteins in Esophageal Cancer Cells and Potential Therapeutic Targets. AB - In this study, we examined the molecular and functional characterization of choline uptake in the human esophageal cancer cells. In addition, we examined the influence of various drugs on the transport of [3H]choline, and explored the possible correlation between the inhibition of choline uptake and apoptotic cell death. We found that both choline transporter-like protein 1 (CTL1) and CTL2 mRNAs and proteins were highly expressed in esophageal cancer cell lines (KYSE series). CTL1 and CTL2 were located in the plasma membrane and mitochondria, respectively. Choline uptake was saturable and mediated by a single transport system, which is both Na+-independent and pH-dependent. Choline uptake and cell viability were inhibited by various cationic drugs. Furthermore, a correlation analysis of the potencies of 47 drugs for the inhibition of choline uptake and cell viability showed a strong correlation. Choline uptake inhibitors and choline deficiency each inhibited cell viability and increased caspase-3/7 activity. We conclude that extracellular choline is mainly transported via a CTL1. The functional inhibition of CTL1 by cationic drugs could promote apoptotic cell death. Furthermore, CTL2 may be involved in choline uptake in mitochondria, which is the rate-limiting step in S-adenosylmethionine (SAM) synthesis and DNA methylation. Identification of this CTL1- and CTL2-mediated choline transport system provides a potential new target for esophageal cancer therapy. PMID- 29223142 TI - Designing Tyrosinase siRNAs by Multiple Prediction Algorithms and Evaluation of Their Anti-Melanogenic Effects. AB - Melanin is a pigment produced from tyrosine in melanocytes. Although melanin has a protective role against UVB radiation-induced damage, it is also associated with the development of melanoma and darker skin tone. Tyrosinase is a key enzyme in melanin synthesis, which regulates the rate-limiting step during conversion of tyrosine into DOPA and dopaquinone. To develop effective RNA interference therapeutics, we designed a melanin siRNA pool by applying multiple prediction programs to reduce human tyrosinase levels. First, 272 siRNAs passed the target accessibility evaluation using the RNAxs program. Then we selected 34 siRNA sequences with DeltaG >=-34.6 kcal/mol, i-Score value >=65, and siRNA scales score <=30. siRNAs were designed as 19-bp RNA duplexes with an asymmetric 3' overhang at the 3' end of the antisense strand. We tested if these siRNAs effectively reduced tyrosinase gene expression using qRT-PCR and found that 17 siRNA sequences were more effective than commercially available siRNA. Three siRNAs further tested showed an effective visual color change in MNT-1 human cells without cytotoxic effects, indicating these sequences are anti-melanogenic. Our study revealed that human tyrosinase siRNAs could be efficiently designed using multiple prediction algorithms. PMID- 29223145 TI - Antibody biosensors for the measurement and characterization of soluble CD147 molecules. AB - BACKGROUND: Soluble CD147 (sCD147) is the shed form of membrane-bound CD147, which is involved in the regulation of cellular functions. The presence of sCD147 in body fluids is associated with several diseases. OBJECTIVE: In this study, we aimed to establish antibody (Ab) biosensors for the simultaneous differential detection of the general and truncated forms of sCD147. METHOD: By combining biolayer interferometry technology (BLItz) and different anti-CD147 monoclonal antibodies (mAbs) specific to different extracellular domains of the CD147 molecule, Ab-based biosensors were established to rapidly measure and characterize sCD147 isoforms. RESULTS: Two types of Ab-biosensors, desginated the single Ab-biosensor and double Ab-biosensor, were established for the measurment and characterization of sCD147 isoforms. For the single Ab-biosensor system, monoclonal antibodies specific for CD147 domain 1 (D1) or domain 2 (D2) were immobilized on the sensor tips and used for the quantification of sCD147 using a BLItz optical interferometric biosensor. For the double Ab-biosensor system, following the single Ab-biosensor step, secondary anti-CD147 mAbs specific for each domain of the CD147 molecule were added and monitored by a BLItz biosensor. By combining the results obtained from the single Ab- and double Ab-biosensors, sCD147 isoforms including the general form (D1 linked to D2) and the truncated forms (sCD147 containing D1 or D2) could be determined. CONCLUSIONS: This method may be a beneficial tool for the determination of sCD147 isoforms for disease diagnosis and prognosis as well as for the definition of the cellular mechanisms of the immune system. PMID- 29223144 TI - Role of Carbon Monoxide in Neurovascular Repair Processing. AB - Carbon monoxide (CO) is a gaseous molecule produced from heme by heme oxygenase (HO). Endogenous CO production occurring at low concentrations is thought to have several useful biological roles. In mammals, especially humans, a proper neurovascular unit comprising endothelial cells, pericytes, astrocytes, microglia, and neurons is essential for the homeostasis and survival of the central nervous system (CNS). In addition, the regeneration of neurovascular systems from neural stem cells and endothelial precursor cells after CNS diseases is responsible for functional repair. This review focused on the possible role of CO/HO in the neurovascular unit in terms of neurogenesis, angiogenesis, and synaptic plasticity, ultimately leading to behavioral changes in CNS diseases. CO/HO may also enhance cellular networks among endothelial cells, pericytes, astrocytes, and neural stem cells. This review highlights the therapeutic effects of CO/HO on CNS diseases involved in neurogenesis, synaptic plasticity, and angiogenesis. Moreover, the cellular mechanisms and interactions by which CO/HO are exploited for disease prevention and their therapeutic applications in traumatic brain injury, Alzheimer's disease, and stroke are also discussed. PMID- 29223143 TI - Neurobiological Functions of the Period Circadian Clock 2 Gene, Per2. AB - Most organisms have adapted to a circadian rhythm that follows a roughly 24-hour cycle, which is modulated by both internal (clock-related genes) and external (environment) factors. In such organisms, the central nervous system (CNS) is influenced by the circadian rhythm of individual cells. Furthermore, the period circadian clock 2 (Per2) gene is an important component of the circadian clock, which modulates the circadian rhythm. Per2 is mainly expressed in the suprachiasmatic nucleus (SCN) of the hypothalamus as well as other brain areas, including the midbrain and forebrain. This indicates that Per2 may affect various neurobiological activities such as sleeping, depression, and addiction. In this review, we focus on the neurobiological functions of Per2, which could help to better understand its roles in the CNS. PMID- 29223146 TI - Investigation of mast cell toll-like receptor 3 in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis and Systemic Mastocytosis participants using the novel application of autoMACS magnetic separation and flow cytometry. AB - BACKGROUND: Viral infections and hypersensitivities are commonly reported by Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME) patients. Mast Cells (MC) uniquely mediate type 1 hypersensitivities and resolve viral infections via toll-like receptor 3 (TLR3). OBJECTIVE: To characterise and compare mast cell progenitors (MCPs) in CFS/ME participants with a known MC disorder, Systemic mastocytosis (SM), and secondly, to investigate the role of MC TLR3 in CFS/ME participants following Polyinosinic:polycytidylic acid (Poly I:C) stimulation. METHODS: A total of 11 International Consensus Criteria defined CFS/ME participants (40.42 +/- 10.31), 9 World Health Organisation defined systemic mastocytosis (SM) participants (47.00 +/- 10.37) and 12 healthy controls (HC) (36.36 +/- 9.88) were included. Following autoMACS magnetic separation, CD117+/Lin-MCPs were stimulated with Poly I:C for 24hr. MCP purity (CD117 and Lin2), maturity (CD34 and FcepsilonRI), interaction receptors and ligands (CD154 and HLA-DR), and SM-specific (CD2 and CD25) markers were measured using flow cytometry. RESULTS: There was a significant decrease in HLA-DR+/CD154- expression between CFS/ME and SM groups pre and post Poly I:C stimulation. There were no significant differences in maturity MCPs, CD154, and CD2/CD25 expression between groups pre and post Poly I:C stimulation. CONCLUSION: This pilot investigation provides a novel methodology to characterise MCPs in a rapid, inexpensive and less invasive fashion. We report a significant decrease in HLA-DR+/CD154- expression between CFS/ME and SM participants, and an observed increase in HLA-DR /CD154+ expression post Poly I:C stimulation in CFS/ME participants. Peripheral MCPs may be present in CFS/ME pathophysiology, however further investigation is required to determine their immunological role. PMID- 29223147 TI - The unmet provision of allergy services in Hong Kong impairs capability for allergy prevention-implications for the Asia Pacific region. AB - There is a high and rising prevalence of many allergic diseases in the Asia Pacific, including Hong Kong, which is unmatched by a commensurate provision of clinical allergy services. In the last 3 years, the allergy profile in Hong Kong has increased due to greater public engagement and more frequent educational activities, scientific outputs and publication of local guidelines on allergy prevention, diagnosis and treatment. Two new drug allergy clinics have been established in public hospitals, and for the first time in 20 years, Hong Kong has its first trainee in adult allergy. The current ratio of allergists per head of population has improved slightly from 1:1.46 (in 2014) to 1:1.17 million, but it is still low compared to many countries. The Hong Kong community is well supported by allergy-related professional societies and patient organisations. While the recent developments indicated some progress, Hong Kong remains inadequately equipped to take advantage of the new discoveries that may prevent allergic diseases and improve public health. There are also 5-fold more paediatric allergists than adult allergists per head of population. If this unbalance remains uncorrected, continuing care for allergic children as they grow into adulthood will be an increasing problem. This review provides recommendations to improve allergy service provision and training, including the creation of Centres of Excellence in allergy to drive the growth of this specialty. PMID- 29223148 TI - Exhaled nitric oxide helps discriminating asthmatic children with and without positive specific IgE to aeroallergens. AB - BACKGROUND: Aeroallergen sensitization may predict higher fractional exhaled nitric oxide (FeNO) levels. OBJECTIVE: We evaluate cut-off values of FeNO in asthmatic children with and without positive specific immunoglobulin E (IgE) to at least one of 5 aeroallergens (Dermatophagoides pteronyssinus, Dermatophagoides farinae, cat, dog, and cockroach). METHODS: 564 patients with asthma and allergic rhinitis (AR) aged 5 to 18 years were enrolled into two groups. Sensitized group included 378 children with positive IgE to at least one of 5 inhaled allergens. Non-sensitized group included 186 children. Pulmonary function tests, FeNO, eosinophil counts, and IgE levels were examined. Patients were divided into preschool age (5~6 years old), elementary school children (7~11 years old) and adolescents (12~18 years old). RESULTS: In preschool children, FeNO>=15.5 ppb differentiates between non-sensitized and sensitized groups. (sensitivity 54.3%; specificity 87.5%; positive predictive value (PPV) 86.2%; negative predictive value (NPV) 57.1%; area under receiver operating characteristic curve (AUC) 0.72) Among elementary school children, the cut-off value of FeNO>=19.5 ppb showed sensitivity 66.4%; specificity 85.8%; PPV 90.5%; NPV 55.7%; AUC 0.81. In adolescents, FeNO>=27.5 ppb showed sensitivity 60.2%; specificity 85.4%; PPV 91.2%; NPV 46.1%; AUC 0.76. CONCLUSION: In asthmatic children, aeroallergen sensitization appears to contribute to higher FeNO levels than those not sensitized. Cut-off values of FeNO which well discriminate asthmatic children with and without aeroallergen sensitization should be chose according to different ages. PMID- 29223149 TI - Accuracy of childhood asthma control test among Thai childhood asthma patients. AB - BACKGROUND: The Childhood Asthma Control Test (C-ACT) was developed to assess asthma control in children worldwide. A self-administered questionnaire for children translated into Thai language was used. OBJECTIVE: To validate the C-ACT cut-points for evaluating the level of asthma control among Thai children, using the Global Initiative for Asthma (GINA) guideline as a gold standard. METHODS: C ACT score, FEV1 and assessment of level of asthma control were recorded at baseline, 3-month, 6-month, and 1-year visits among children with asthma. Receiver operating characteristic (ROC) curves was used to determine the area under the curve (AUC) of C-ACT score for determining the level of asthma control. Validity indicators were calculated at different C-ACT cut-points to determine those most appropriate for predicting controlled and uncontrolled asthma. RESULTS: We enrolled 279 children, 64% males, with mean age 6.87+/-2.4 years. C ACT score was significantly correlated with FEV1 at 3-month, 6-month, and 1-year visits (p<0.001). The AUC of C-ACT score compared with GINA score were above 80% at all visits. The suggested C-ACT score cut-point of controlled asthma was >= 23 (sensitivity 69.5%, specificity 73.3%, positive predictive value (PPV) 81.2%, negative predictive value (NPV) 63.8%); that of uncontrolled asthma was <= 18 (sensitivity 54.2%, specificity 96.9%, PPV 61.9%, NPV 95.7%). CONCLUSIONS: The Thai version of the C-ACT is an accurate, simple, and useful tool for assessing asthma control among Thai children. The high AUC suggests that the Thai C-ACT is as good as the GINA guideline in predicting asthma control level. PMID- 29223150 TI - Modern Approaches for Identification of Modified Nucleotides in RNA. AB - This review considers approaches for detection of modified monomers in the RNA structure of living organisms. Recently, some data on dynamic alterations in the pool of modifications of the key RNA species that depend on external factors affecting the cells and physiological conditions of the whole organism have been accumulated. The recent studies have presented experimental data on relationship between the mechanisms of formation of modified/minor nucleotides of RNA in mammalian cells and the development of various pathologies. The development of novel methods for detection of chemical modifications of RNA nucleotides in the cells of living organisms and accumulation of knowledge on the contribution of modified monomers to metabolism and functioning of individual RNA species establish the basis for creation of novel diagnostic and therapeutic approaches. This review includes a short description of routine methods for determination of modified nucleotides in RNA and considers in detail modern approaches that enable not only detection but also quantitative assessment of the modification level of various nucleotides in individual RNA species. PMID- 29223151 TI - The Power and Limitations of Influenza Virus Hemagglutinin Assays. AB - Influenza virus hemagglutinins (HAs) are surface proteins that bind to sialic acid residues at the host cell surface and ensure further virus internalization. Development of methods for the inhibition of these processes drives progress in the design of new antiviral drugs. The state of the isolated HA (i.e. combining tertiary structure and extent of oligomerization) is defined by multiple factors, like the HA source and purification method, posttranslational modifications, pH, etc. The HA state affects HA functional activity and significantly impacts the results of numerous HA assays. In this review, we analyze the power and limitations of currently used HA assays regarding the state of HA. PMID- 29223152 TI - Electron Transfer through the Acceptor Side of Photosystem I: Interaction with Exogenous Acceptors and Molecular Oxygen. AB - This review considers the state-of-the-art on mechanisms and alternative pathways of electron transfer in photosynthetic electron transport chains of chloroplasts and cyanobacteria. The mechanisms of electron transport control between photosystems (PS) I and II and the Calvin-Benson cycle are considered. The redistribution of electron fluxes between the noncyclic, cyclic, and pseudocyclic pathways plays an important role in the regulation of photosynthesis. Mathematical modeling of light-induced electron transport processes is considered. Particular attention is given to the electron transfer reactions on the acceptor side of PS I and to interactions of PS I with exogenous acceptors, including molecular oxygen. A kinetic model of PS I and its interaction with exogenous electron acceptors has been developed. This model is based on experimental kinetics of charge recombination in isolated PS I. Kinetic and thermodynamic parameters of the electron transfer reactions in PS I are scrutinized. The free energies of electron transfer between quinone acceptors A1A/A1B in the symmetric redox cofactor branches of PS I and iron-sulfur clusters FX, FA, and FB have been estimated. The second-order rate constants of electron transfer from PS I to external acceptors have been determined. The data suggest that byproduct formation of superoxide radical in PS I due to the reduction of molecular oxygen in the A1 site (Mehler reaction) can exceed 0.3% of the total electron flux in PS I. PMID- 29223153 TI - Temperature Dependence of Tryptophan Fluorescence Lifetime in Aqueous Glycerol and Trehalose Solutions. AB - The temperature dependences of tryptophan fluorescence decay kinetics in aqueous glycerol and 1 M trehalose solutions were examined. The fluorescence decay kinetics were recorded in the spectral region of 292.5-417.5 nm with nanosecond time resolution. The kinetics curves were approximated by the sum of three exponential terms, and the spectral distribution (DAS) of these components was determined. An antisymbatic course of fluorescence decay times of two (fast and medium) components in the temperature range from -60 to +10 degrees C was observed. The third (slow) component showed only slight temperature dependence. The antisymbatic behavior of fluorescence lifetimes of the fast and medium components was explained on the assumption that some of the excited tryptophan molecules are transferred from a short-wavelength B-form with short fluorescence lifetime to a long-wavelength R-form with an intermediate fluorescence lifetime. This transfer occurred in the indicated temperature range. PMID- 29223154 TI - Antiinflammatory Effect of Rosiglitazone via Modulation of mRNA Stability of Interleukin 10 and Cyclooxygenase 2 in Astrocytes. AB - Investigation of molecular mechanisms of proinflammatory stimuli signaling in astrocytes is important for understanding their role in pathogenesis of central nervous system diseases as well as in functioning of the innate immunity system in non-immune cells. Here we show that lipopolysaccharide (LPS) stimulation of primary rat astrocytes led to conventional inflammatory response: increase in both proinflammatory (tumor necrosis factor, TNFalpha; prostaglandin E2, PGE2) and antiinflammatory marker (interleukin 10, IL-10) levels. The protein level of cyclooxygenase 2 (COX-2) was also increased. Rosiglitazone strengthened LPS induced mRNA expression of COX-2 and IL-10 but not TNFalpha. Rosiglitazone is an agonist of nuclear receptor PPARgamma, but its impact on IL-10 expression was not influenced by a PPARgamma antagonist, GW9662, suggesting PPARgamma-independent effect of rosiglitazone. The degradation of mRNA is one of the steps of inflammation regulation and might be affected by small molecules. In experiments with actinomycin D, we found that mRNA half-lives of IL-10, COX-2, and TNFalpha in naive astrocytes were 70, 44, and 19 min, respectively. LPS stimulation caused 2-fold increase in IL-10 and COX-2 mRNA decay rates, whereas addition of rosiglitazone restored them to the initial level. TNFalpha decay rate was not changed by these stimulations. This suggests that mRNA decay rate could be regulated by small molecules. Moreover, rosiglitazone could be used as a substance stimulating the resolution of inflammation without influence on proinflammatory signals. These results open new perspectives in the search for inflammation resolution modulators. PMID- 29223155 TI - Recombinant Human Erythropoietin with Additional Processable Protein Domains: Purification of Protein Synthesized in Escherichia coli Heterologous Expression System. AB - Three variants of human recombinant erythropoietin (rhEPO) with additional N terminal protein domains were obtained by synthesis in an Escherichia coli heterologous expression system. These domains included (i) maltose-binding protein (MBP), (ii) MBP with six histidine residues (6His) in N-terminal position, (iii) s-tag (15-a.a. oligopeptide derived from bovine pancreatic ribonuclease A) with N-terminal 6His. Both variants of the chimeric protein containing MBP domain were prone to aggregation under nondenaturing conditions, and further purification of EPO after the domain cleavage by enterokinase proved to be impossible. In the case of 6His-s-tag-EPO chimeric protein, the products obtained after cleavage with enterokinase were successfully separated by column chromatography, and rhEPO without additional domains was obtained. Results of MALDI-TOF mass spectrometry showed that after refolding 6His-s-tag-EPO formed a structure similar to that of one of native EPO with two disulfide bonds. Both 6His-s-tag-EPO and rhEPO without additional protein domains purified after proteolysis possessed the same biological activity in vitro in the cell culture. PMID- 29223156 TI - Biochemical Properties and Phylogeny of Hydroxypyruvate Reductases from Methanotrophic Bacteria with Different C1-Assimilation Pathways. AB - In the aerobic methanotrophic bacteria Methylomicrobium alcaliphilum 20Z, Methylococcus capsulatus Bath, and Methylosinus trichosporium OB3b, the biochemical properties of hydroxypyruvate reductase (Hpr), an indicator enzyme of the serine pathway for assimilation of reduced C1-compounds, were comparatively analyzed. The recombinant Hpr obtained by cloning and heterologous expression of the hpr gene in Escherichia coli catalyzed NAD(P)H-dependent reduction of hydroxypyruvate or glyoxylate, but did not catalyze the reverse reactions of D glycerate or glycolate oxidation. The absence of the glycerate dehydrogenase activity in the methanotrophic Hpr confirmed a key role of the enzyme in utilization of C1-compounds via the serine cycle. The enzyme from Ms. trichosporium OB3b realizing the serine cycle as a sole assimilation pathway had much higher special activity and affinity in comparison to Hpr from Mm. alcaliphilum 20Z and Mc. capsulatus Bath assimilating carbon predominantly via the ribulose monophosphate (RuMP) cycle. The hpr gene was found as part of gene clusters coding the serine cycle enzymes in all sequenced methanotrophic genomes except the representatives of the Verrucomicrobia phylum. Phylogenetic analyses revealed two types of Hpr: (i) Hpr of methanotrophs belonging to the Gammaproteobacteria class, which use the serine cycle along with the RuMP cycle, as well as of non-methylotrophic bacteria belonging to the Alphaproteobacteria class; (ii) Hpr of methylotrophs from Alpha- and Betaproteobacteria classes that use only the serine cycle and of non-methylotrophic representatives of Betaproteobacteria. The putative role and origin of hydroxypyruvate reductase in methanotrophs are discussed. PMID- 29223157 TI - Self-Organization of Recombinant Membrane Porin OmpF from Yersinia pseudotuberculosis in Aqueous Environments. AB - Recombinant porin OmpF (an integral protein of bacterial outer membrane) from Yersinia pseudotuberculosis was synthesized in Escherichia coli cells as inclusion bodies. By combining the methods of anion-exchange and gel filtration chromatographies, recombinant OmpF (rOmpF) was isolated as an individual protein in its denatured state, and its characteristic properties (molecular mass, N terminal amino acid sequence, and hydrodynamic radius of the protein in 8 M urea solution) were determined. According to the data of gel filtration, dynamic light scattering, optical spectroscopy, and binding of the hydrophobic fluorescent probe 8-anilino-1-naphthalenesulfonic acid, the rOmpF is fully unfolded in 8 M urea and exists in random coil conformation. In aqueous solutions, rOmpF undergoes conformational changes, reversible self-association, and aggregation. When transferred from 8 M urea into water, PBS (containing 0.15 M NaCl, pH 7.4), or buffer containing 0.8 M urea (pH 8.0), fully unfolded rOmpF forms relatively compact monomeric intermediates prone to self-association with formation of multimers. The oligomeric intermediates have high content of native protein-like secondary structure and pronounced tertiary structure. In acidic media (pH 5.0, close to the protein isoelectric point), rOmpF undergoes rapid irreversible aggregation. Therefore, we found that medium composition significantly affects both porin folding and processes of its self-association and aggregation. PMID- 29223158 TI - Salusin-alpha Attenuates Inflammatory Responses in Vascular Endothelial Cells. AB - Atherosclerosis accounts for numerous cardiovascular diseases, and cytokines have a critical role in acceleration or suppression of disease. Salusin-alpha presents a new class of bioactive peptides that can have anti-atherogenic properties. Therefore, the effects of salusin-alpha on the expression of some pro- and anti inflammatory cytokines and on TNF-alpha-induced inflammatory responses in human umbilical vein endothelial cells (HUVECs) were examined. The involvement of the NF-kappaB pathway in effects of salusin-alpha in HUVECs was checked using Bay 11 7082 as an NF-kappaB inhibitor. The mRNA expression of pro-inflammatory cytokines including IL-6, IL-8, and IL-18 and anti-inflammatory cytokine IL-1Ra was assessed by real-time PCR. The protein levels of cytokines were measured by the ELISA method. Salusin-alpha suppressed both mRNA and protein expression of pro inflammatory cytokines and induced mRNA and protein expression of IL-1Ra in HUVECs. Salusin-alpha suppressed TNF-alpha-induced inflammatory responses in HUVECs. The down-regulatory or up-regulatory effects of salusin-alpha on expression of cytokines could not be influenced by Bay 11-7082 pretreatment. Our findings indicate anti-inflammatory effects of salusin-alpha and suggest a novel peptide-based therapeutic strategy for atherosclerosis. PMID- 29223159 TI - Factors beyond Enolase 2 and Mitochondrial Lysyl-tRNA Synthetase Precursor Are Required for tRNA Import into Yeast Mitochondria. AB - In yeast, the import of tRNALys with CUU anticodon (tRK1) relies on a complex mechanism where interaction with enolase 2 (Eno2p) dictates a deep conformational change of the tRNA. This event is believed to mask the tRNA from the cytosolic translational machinery to re-direct it towards the mitochondria. Once near the mitochondrial outer membrane, the precursor of the mitochondrial lysyl-tRNA synthetase (preMsk1p) takes over enolase to carry the tRNA within the mitochondrial matrix, where it is supposed to participate in translation following correct refolding. Biochemical data presented in this report focus on the role of enolase. They show that despite the inability of Eno2p alone to form a complex with tRK1, mitochondrial import can be recapitulated in vitro using fractions of yeast extracts sharing either recombinant or endogenous yeast Eno2p as one of the main components. Taken together, our data suggest the existence of a protein complex containing Eno2p that is involved in RNA mitochondrial import. PMID- 29223160 TI - Cathelicidin LL37 Promotes Epithelial and Smooth-Muscle-Like Differentiation of Adipose-Derived Stem Cells through the Wnt/beta-Catenin and NF-kappaB Pathways. AB - Ureter reconstruction is a difficult procedure in urology. Adipose-derived stem cells (ADSCs), along with multipotency and self-renewal capacity, are a preferred choice for tissue engineering-based ureteral reconstruction. We explored the synergic role of cathelicidin LL37 (LL37) in epithelial and smooth-muscle-like differentiation. ADSCs were separated from adipose tissues of mouse and characterized by flow cytometry. The ADSCs were then stably transfected with pGC FU-GFP (pGC) or pGC containing full-length LL37 (pGC-LL37), respectively. Cell viability and apoptosis were respectively estimated in the stably transfected cells and non-transfected cells. Then, qRT-PCR and Western blot analysis were used for determinations of epithelial marker expressions after induction by all trans retinoic acid as well as smooth-muscle-like marker expressions after induction by transforming growth factor-beta1. Then, possibly involved signaling pathways and extracellular expression of LL37 were detected. Cell viability and apoptosis were not changed after LL37 overexpression. Expression levels of epithelial and smooth-muscle-like markers were significantly upregulated by LL37 overexpression. Moreover, expressions of key kinases involved in the Wnt/beta catenin pathway as well as epithelial marker were upregulated by the LL37 overexpression, while it was reversed by Wnt/beta-catenin inhibitor. Likewise, expressions of key kinases involved in the nuclear factor kappaB (NF-kappaB) pathway as well as smooth-muscle-like markers were upregulated by LL37 overexpression, which was reversed by NF-kappaB inhibitor. LL37 was found in the culture medium. LL37, which could be released into the medium, had no impact on cell proliferation and apoptosis of ADSCs. However, LL37 promoted epithelial and smooth-muscle-like differentiation through activating the Wnt/beta-catenin and NF kappaB pathways, respectively. PMID- 29223161 TI - Cell-Free Expression, Purification, and Characterization of the Functional beta2 Adrenergic Receptor for Multianalyte Detection of beta-Agonists. AB - Large-scale expression of beta2-adrenergic receptor (beta2-AR) in functional form is necessary for establishment of receptor assays for detecting illegally abused beta-adrenergic agonists (beta-agonists). Cell-based heterologous expression systems have manycritical difficulties in synthesizing this membrane protein, such as low protein yields and aberrant folding. To overcome these challenges, the main objective of the present work was to synthesize large amounts of functional beta2-AR in a cell-free system based on Escherichia coli extracts. A codon-optimized porcine beta2-AR gene (codon adaptation index: 0.96) suitable for high expression in E. coli was synthesized and transcribed to the cell-free system, which contributed to increase the expression up to 1.1 mg/ml. After purification using Ni-affinity chromatography, the bioactivity of the purified receptor was measured by novel enzyme-linked receptor assays. It was determined that the relative affinities of the purified beta2-AR for beta-agonists in descending order were as follows: clenbuterol > salbutamol > ractopamine. Moreover, their IC50 values were 45.99, 60.38, and 78.02 ug/liter, respectively. Although activity of the cell-free system was slightly lower than activity of systems based on insect and mammalian cells, this system should allow production of beta2-AR in bulk amounts sufficient for the development of multianalyte screening methods for detecting beta-agonist residues. PMID- 29223162 TI - Spectral-Kinetic Analysis of Recombination Reaction of Heme Centers of bd-Type Quinol Oxidase from Escherichia coli with Carbon Monoxide. AB - Recombination of the isolated, fully reduced bd-type quinol oxidase from Escherichia coli with carbon monoxide was studied by pulsed absorption spectrophotometry with microsecond time resolution. Analysis of the kinetic phases of recombination was carried out using the global analysis of multiwavelength kinetic data ("Global fitting"). It was found that the unresolved photodissociation of CO is followed by a stepwise (with four phases) recombination with characteristic times (tau) of about 20 us, 250 us, 1.1 ms, and 24 ms. The 20-us phase most likely reflects bimolecular recombination of CO with heme d. Two subsequent kinetic transitions, with tau ~ 250 us and 1.1 ms, were resolved for the first time. It is assumed that the 250-us phase is heterogeneous and includes two different processes: recombination of CO with ~7% of heme b595 and transition of heme d from a pentacoordinate to a transient hexacoordinate state in this enzyme population. The 24-ms transition probably reflects a return of heme d to the pentacoordinate state in the same protein fraction. The 1.1-ms phase can be explained by recombination of CO with ~15% of heme b558. Possible models of interaction of CO with different heme centers are discussed. PMID- 29223163 TI - Neuroprotective Properties of Endocannabinoids N-Arachidonoyl Dopamine and N Docosahexaenoyl Dopamine Examined in Neuronal Precursors Derived from Human Pluripotent Stem Cells. AB - Neuroprotective properties of endocannabinoids N-arachidonoyl dopamine (NADA) and N-docosahexaenoyl dopamine (DHDA) were examined in neuronal precursor cells differentiated from human induced pluripotent stem cells and subjected to oxidative stress. Both compounds exerted neuroprotective activity, which was enhanced by elevating the concentration of the endocannabinoids within the 0.1-10 uM range. However, both agents at 10 uM concentration showed a marked toxic effect resulting in death of ~30% of the cells. Finally, antagonists of cannabinoid receptors as well as the receptor of the TRPV1 endovanilloid system did not hamper the neuroprotective effects of these endocannabinoids. PMID- 29223164 TI - The Mitochondrial Genome of the Moss Brachythecium rivulare (Hypnales, Brachytheciaceae). AB - The mitochondrial genome of the pleurocarpous moss Brachythecium rivulare has been sequenced and annotated. The genome consists of 104,460 base pairs and has approximately the same gene set and organization as other bryophyte mitogenomes. Whole mitochondrial genome comparison between B. rivulare and Physcomitrella patens, Tetraphis pellucida, Anomodon rugelii, and Anomodon attenuatus was performed. The primary cause of bryophyte mitochondrial gene length variation was found to be numerous indels in the introns. Bryophyte mitochondrial gene conservation level was estimated, and it was in a good congruence with the overall phylogeny of bryophytes with the percentage of mitogenome similarity being proportional to the age estimated by phylochronologic analysis. Annotation discrepancies in the analyzed mitogenome sequences were identified. The simple sequence repeat (SSR) content was evaluated, and candidate sites of RNA editing were predicted in the B. rivulare mitochondrial genome. PMID- 29223165 TI - Role of microRNA in Development of Instability of Atherosclerotic Plaques. AB - MicroRNAs are small noncoding single-stranded RNAs that regulate gene expression. Today, we see an increasing number of studies highlighting the important role of microRNAs in the development and progression of cardiovascular diseases caused by atherosclerotic lesions of arteries. We review the available scientific data on association of the expression of these biomolecules with instability of atherosclerotic plaques in animal models and humans. We made special emphasis on miR-21, -100, -127, -133, -143/145, -221/222, and -494 because they were analyzed in more than one study. We discuss the possibility of microRNAs using in the diagnosis and therapy of atherosclerosis and its complications. PMID- 29223166 TI - Protein Poly(ADP-ribosyl)ation System: Changes in Development and Aging as well as due to Restriction of Cell Proliferation. AB - It is well known that the number of dividing cells in an organism decreases with age. The average rate of cell division in tissues and organs of a mature organism sharply decreases, which is probably a trigger for accumulation of damage leading to disturbance of genome integrity. This can be a cause for the development of many age-related diseases and appearance of phenotypic and physiological signs of aging. In this connection, the protein poly(ADP-ribosyl)ation system, which is activated in response to appearance of various DNA damage, attracts great interest. This review summarizes and analyzes data on changes in the poly(ADP ribosyl)ation system during development and aging in vivo and in vitro, and due to restriction of cell proliferation. Special attention is given to methodological aspects of determination of activity of poly(ADP-ribose) polymerases (PARPs). Analysis of relevant publications and our own data has led us to the conclusion that PARP activity upon the addition of free DNA ends (in this review referred to as stimulated PARP activity) is steadily decreasing with age. However, the dynamics of PARP activity measured without additional activation of the enzyme (in this review referred to as unstimulated activity) does not have such a clear trend: in many studies, the presented differences are statistically non-significant, although it is well known that the number of unrepaired DNA lesions steadily increases with aging. Apparently, the cell has additional regulatory systems that limit its own capability of reacting to DNA damage. Special attention is given to the influence of the cell proliferative status on PARP activity. We have systematized and analyzed data on changes in PARP activity during development and aging of an organism, as well as data on differences in the dynamics of this activity in the presence/absence of additional stimulation and on cellular processes that are associated with activation of these enzymes. Moreover, data obtained in different models of cellular aging are compared. PMID- 29223167 TI - Editorial: New Horizons in Controlled Ovarian Stimulation. PMID- 29223168 TI - Serious gastric perforation after second stereotactic body radiotherapy for peripheral lung cancer that recurred after initial stereotactic body radiotherapy: a case report. AB - BACKGROUND: In recent reports, re-irradiation with stereotactic body radiotherapy for lung tumors in patients previously treated with thoracic radiation therapy resulted in several serious toxicities. Serious non-lung toxicities were observed mostly in patients with central tumors, but we experienced a case of fatal gastric perforation after a second stereotactic body radiotherapy in a patient with a peripheral lung tumor. CASE PRESENTATION: An 83-year-old Asian man was diagnosed with T2N0M0 lung cancer in the form of squamous cell carcinoma in the lower lobe of his left lung. He was treated with stereotactic body radiotherapy of 40 Gy in 4 fractions and the tumor decreased in size in partial response. The local tumor recurred 8 months after the first stereotactic body radiotherapy, and he was re-irradiated with a second stereotactic body radiotherapy of 50 Gy in 4 fractions. A Sengstaken-Blakemore tube was inserted below his diaphragm by laparoscopic surgery before the second stereotactic body radiotherapy in order to reduce the stomach dose by keeping his stomach apart from the tumor. Two months after the second stereotactic body radiotherapy, he developed fatal gastric perforation and gastropleural fistula penetrating his diaphragm. CONCLUSIONS: To the best of our knowledge, this is the first report about a gastric perforation after stereotactic body radiotherapy for lung tumors and it warns of serious complication of stereotactic body radiotherapy in not only centrally located but also peripherally located tumors like in this case. PMID- 29223169 TI - An overview on Leishmania (Mundinia) enriettii: biology, immunopathology, LRV and extracellular vesicles during the host-parasite interaction. AB - One of the Leishmania species known to be non-infective to humans is Leishmania (Mundinia) enriettii whose vertebrate host is the guinea pig Cavia porcellus. It is a good model for cutaneous leishmaniasis, chemotherapeutic and molecular studies. In the last years, an increased interest has emerged concerning the L. (Mundinia) subgenus after the finding of Leishmania (M.) macropodum in Australia and with the description of other new/putative species such as L. (M.) martiniquensis and 'L. (M.) siamensis'. This review focused on histopathology, glycoconjugates and innate immunity. The presence of Leishmania RNA virus and shedding of extracellular vesicles by the parasite were also evaluated. PMID- 29223170 TI - Changes in job strain and subsequent weight gain: a longitudinal study, based on the Danish Nurse Cohort. AB - OBJECTIVE: Obesity as well as job strain is increasing, and job strain might contribute to weight gain. The objective of the current study was to examine associations between longitudinal alterations in the components of job strain and subsequent weight gain. DESIGN: The study was designed as a prospective cohort study with three questionnaire surveys enabling measurement of job-strain alterations over 6 years and subsequent measurements of weight gain after further 10 years of follow-up. ANCOVA and trend analyses were conducted. Job demands were measured as job busyness and speed, and control as amount of influence. SETTING: Employed nurses in Denmark. SUBJECTS: We included a sub-sample of 6188 female nurses from the Danish Nurse Cohort, which consisted of the nurses who participated in surveys in 1993, 1999 and 2009. RESULTS: A linear trend in weight gain was seen in nurses who were often busy in 1999 between those who were rarely v. sometimes v. often busy in 1993 (P=0.03), with the largest weight gain in individuals with sustained high busyness in both years. Loss of influence between 1993 and 1999 was associated with larger subsequent weight gain than sustained high influence (P=0.003) or sustained low influence (P=0.02). For speed, no associations were found. CONCLUSIONS: Busyness, speed and influence differed in their relationship to subsequent weight gain. A decrease in job influence and a sustained burden of busyness were most strongly related to subsequent weight gain. Focus on job strain reduction and healthy diet is essential for public health. PMID- 29223171 TI - Caregiver burden, sleep quality, depression, and anxiety in dementia caregivers: a comparison of frontotemporal lobar degeneration, dementia with Lewy bodies, and Alzheimer's disease. AB - : ABSTRACTBackground:Very few recent studies are available that compare caregiver burden, sleep quality, and stress in caregivers of different types of dementia. We aimed to investigate caregiver burden, sleep quality, and stress in caregivers of patients with frontotemporal lobar degeneration and dementia with Lewy bodies, as compared with caregivers of patients with Alzheimer's disease. METHODS: This study was carried out from March 2011 to January 2014. In total, 492 dyads of patient and caregiver (frontotemporal lobar degeneration, n = 131; dementia with Lewy bodies, n = 36; Alzheimer's disease, n = 325) participated in this study. We compared patients with respect to the Neuropsychiatric Inventory and caregivers with respect to the Zarit Caregiver Burden Interview, Pittsburgh Sleep Quality Index, Patient Health Questionnaire-9, and Generalized Anxiety Disorder scale. RESULTS: Frontotemporal lobar degeneration and dementia with Lewy bodies patients presented significantly more neuropsychiatric symptoms compared to Alzheimer's disease patients. Caregivers of frontotemporal lobar degeneration and dementia with Lewy bodies patients experienced significantly more burden compared to Alzheimer's disease caregivers. Furthermore, among caregivers of both frontotemporal lobar degeneration and dementia with Lewy bodies patients burden was predicted by the neuropsychiatric symptoms, PHQ-9 scores, and GAD-7 scores. CONCLUSIONS: The frequency and severity of behavioral disturbances in patient and caregiver stress accounted for the increased caregiver burden, which suggests that frontotemporal lobar degeneration and dementia with Lewy bodies caregivers should receive more support than is currently available. PMID- 29223172 TI - Association between the use of benzodiazepines and opioids with the risk of falls and hip fractures in older adults. AB - : ABSTRACTBackground:To determine the association between the use of opioids and benzodiazepines and the risk of falls with hip fracture in populations older than 65 years in Colombia. METHODS: A case-control study with patients older than 65 years with diagnosis of hip fracture. Two controls were obtained per case. The drugs dispensed in the previous 30 days were identified. Sociodemographic, diagnostic, pharmacological (opioids and benzodiazepines), and polypharmacy variables were analyzed. A logistic regression model was used to analyze the risk of fall with hip fracture while using these drugs. RESULTS: We included 287 patients with hip fractures and 574 controls. There was a female predominance (72.1%) and a mean age of 82.4 +/- 8.0 years. Of the patients, 12.7% had been prescribed with opioids and 4.2% with benzodiazepines in the previous month. The adjusted multivariate analysis found that using opioids (OR:4.49; 95%CI:2.72 7.42) and benzodiazepines (OR:3.73; 95%CI:1.60-8.70) in the month prior to the event was significantly associated with a greater probability of suffering a fall with hip fracture. CONCLUSIONS: People who are taking opioids and benzodiazepines have increased risk for hip fracture in Colombia. Strategies to educate physicians regarding the pharmacology of older adults should be strengthened. PMID- 29223173 TI - The Worried Well? Characteristics of Cognitively Normal Patients Presenting to a Rural and Remote Memory Clinic. AB - INTRODUCTION: In an effort to better understand why cognitively normal patients were referred to a memory clinic, we sought to identify features of "worried well" patients to better identify those more likely to be cognitively normal. METHODS: In total, 375 consecutive patients referred by primary care practitioners to a Rural and Remote Memory Clinic were categorized into two groups based on their neurologic diagnosis, "worried well" (cognitively normal, N=81) or "other" (patients with any neurologic diagnosis, N=294). Data collected included: age, sex, years of formal education, Mini-Mental Status Examination score from initial visit, Center for Epidemiologic Studies Depression Scale score, Self-Rating of Memory Scale, alcohol consumption, marital status, hours per week of work, past medical history, sleep concerns, and family history of memory concerns. The two groups were compared using t-tests and chi2 tests. The same comparison was done between the same set of "worried well" patients (cognitively normal, N=81) and the subgroup of patients with a diagnosis of Alzheimer's disease (N=146) from the "other" group. RESULTS: Significant differences included younger age, more formal education, more frequently having previous psychiatric diagnosis and more self-reported alcohol consumption in the "worried well" group. The "worried well" and "Alzheimer's disease" comparison had the same significant differences as the "worried well" and "other" comparison. CONCLUSION: We observed a pattern of differences unfold between the "worried well" patients and those with cognitive disease. No one variable was pathognomonic of a "worried well" patient. However, taking all the above into account when evaluating a patient may help clinically. PMID- 29223174 TI - Relationships between the neighborhood environment and depression in older adults: a systematic review and meta-analysis. AB - : ABSTRACTBackground:While depression is a growing public health issue, the percentage of individuals with depression receiving treatment is low. Physical and social attributes of the neighborhood may influence the level of depressive symptoms and the prevalence of depression in older adults. METHODS: This review systematically examined the literature on neighborhood environmental correlates of depression in older adults. Findings were analyzed according to three depression outcomes: depressive symptoms, possible depression, and clinical depression. Based on their description in the article, environmental variables were assigned to one of 25 categories. The strength of evidence was statistically quantified using a meta-analytical approach with articles weighted for sample size and study quality. Findings were summarized by the number of positive, negative, and statistically non-significant associations by each combination of environmental attribute - depression outcome and by combining all depression outcomes. RESULTS: Seventy-three articles met the selection criteria. For all depression outcomes combined, 12 of the 25 environmental attribute categories were considered to be sufficiently studied. Three of these, neighborhood socio economic status, collective efficacy, and personal/crime-related safety were negatively associated with all depression outcomes combined. Moderating effects on associations were sparsely investigated, with 52 articles not examining any. Attributes of the physical neighborhood environment have been understudied. CONCLUSION: This review provides support for the potential influence of some neighborhood attributes on population levels of depression. However, further research is needed to adequately examine physical attributes associated with depression and moderators of both social and physical neighborhood environment attribute - depression outcome associations. PMID- 29223175 TI - The assessment of anxiety in aged care residents: a systematic review of the psychometric properties of commonly used measures. AB - : ABSTRACTBackground:Assessing anxiety among residential aged care facility (RACF) residents is challenging, and it cannot be assumed that valid and reliable measures used within the community are also appropriate for this setting. This review systematically examined the literature to identify which anxiety measures were most commonly used with older adults in RACFs, and determine whether psychometric data support their use within this population. METHODS: Using the PRISMA guidelines, five electronic databases were searched using key terms and subject headings. The search was limited to literature published in English. Eligible studies utilized an anxiety measure to assess anxiety symptoms among RACF residents. Based on the findings of this search, a critical review of the research into the reliability, validity, and administrative and respondent burden of the most commonly used measures (i.e. used in four or more studies) was conducted. RESULTS: In total, 1,771 articles were identified, with 50 studies included in this review. Overall, 22 measures were used, with the majority of studies utilizing a clinician-administered or self-report measure. The RAID, HADS, STAI, and GAI were the most commonly used measures. While overall there is a lack of research and consensus into the psychometric properties of these measures within RACFs, strongest evidence of reliability and validity was found for the GAI. CONCLUSION: Commonly used measures of anxiety within aged care populations are not well validated for this complex subsample of older adults. Strengths and weaknesses of each measure with regards to their usefulness in aged care settings are discussed, with future research areas highlighted. PMID- 29223176 TI - The Influence of Exposure to Natural Disasters on Depression and PTSD Symptoms among Firefighters. AB - : Introduction Firefighters represent an important population for understanding the consequences of exposure to potentially traumatic stressors. Hypothesis/Problem The researchers were interested in the effects of pre employment disaster exposure on firefighter recruits' depression and posttraumatic stress disorder (PTSD) symptoms during the first three years of fire service and hypothesized that: (1) disaster-exposed firefighters would have greater depression and PTSD symptoms than non-exposed overall; and (2) depression and PTSD symptoms would worsen over years in fire service in exposed firefighters, but not in their unexposed counterparts. METHODS: In a baseline interview, 35 male firefighter recruits from seven US cities reported lifetime exposure to natural disaster. These disaster-exposed male firefighter recruits were matched on age, city, and education with non-exposed recruits. RESULTS: A generalized linear mixed model revealed a significant exposure*time interaction (e coef =1.04; P<.001), such that depression symptoms increased with time for those with pre-employment disaster exposure only. This pattern persisted after controlling for social support from colleagues (e coefficient=1.05; P<.001), social support from families (e coefficient=1.04; P=.001), and on-the-job trauma exposure (coefficient=0.06; e coefficient=1.11; P<.001). Posttraumatic stress disorder symptoms did not vary significantly between exposure groups at baseline (P=.61). CONCLUSION: Depression symptoms increased with time for those with pre employment disaster exposure only, even after controlling for social support. Posttraumatic stress disorder symptoms did not vary between exposure groups. Pennington ML , Carpenter TP , Synett SJ , Torres VA , Teague J , Morissette SB , Knight J , Kamholz BW , Keane TM , Zimering RT , Gulliver SB . The influence of exposure to natural disasters on depression and PTSD symptoms among firefighters. Prehosp Disaster Med. 2018;33(1):102-108. PMID- 29223177 TI - Well-being and distress of patients with Parkinson's disease: a comparative investigation. AB - BACKGROUND: Psychological resources, such as psychological well-being (PWB) and life satisfaction (LS) can aid individuals suffering from chronic illnesses to cope with their illness. The aim of this study was to investigate PWB, LS, quality of life (QoL), and distress in patients with Parkinson's disease (PD) and to compare them with healthy controls. METHODS: One hundred and thirteen individuals were recruited. Fifty of the participants suffered from PD, while 53 individuals reported other non-neurological diseases. PD patients were assessed through medical routine examinations. All participants had to be devoid of severe cognitive impairment. They were administered self-report questionnaires to measure PWB, LS, QoL, and distress. A cross-sectional comparative design was applied. RESULTS: PD patients reported higher general PWB than controls with the exception of the autonomy subscale where the PD patients scored lower. However, they also reported higher distress (anxiety, depression, somatic symptoms, and hostility-irritability), lower LS, and poorer QoL compared to controls. In regressive models, general PWB and LS were significantly correlated to the presence of PD, to its functional impairments, and not to other socio-demographic variables. CONCLUSIONS: Findings confirmed previous literature on other neurological conditions, showing that PD may be associated with greater psychological distress, lower levels of LS and QoL. At the same time, PD patients may preserve their PWB, which is a protective factor for mental and physical health. The presence of these psychological resources is inversely related to functional impairments. Future studies should better investigate the pattern of PWB in PD. PMID- 29223178 TI - Relative influence of dietary protein and energy contents on lysine requirements and voluntary feed intake of rainbow trout fry. AB - The effect of dietary digestible protein (DP) and/or digestible energy (DE) levels on lysine (Lys) requirements, Lys utilisation efficiency and voluntary feed intake (VFI) were studied in rainbow trout fry when Lys was the first limiting indispensable amino acid or in excess in the diet. Two trials were conducted at 11.6 degrees C with eighty-one experimental diets, containing 280 g DP/kg DM (low protein (LP), trial 1), 600 g DP/kg DM (high protein (HP), trial 1) or 440 g DP/kg DM (medium protein (MP), trial 2), 17 MJ DE/kg (low energy (LE)), 19.5 MJ DE/kg (medium energy (ME)) or 22 MJ DE/kg (high energy (HE)), and nine Lys levels from deeply deficient to large excess (2.3-36 g/kg DM). Each diet was given to apparent satiety to one group of fifty fry (initial body weight 0.85 g) for 24 (MP diets, trial 2) or 30 (LP and HP diets, trial 1) feeding days. Based on N gain data fitted with the broken-line model, the relative Lys requirement was significantly different with the dietary DP level, from 13.3-15.7 to 22.9 26.5 g/kg DM for LP and HP diets, respectively, but did not significantly change with the DE level for a same protein level. The Lys utilisation efficiency for protein growth above maintenance was constant across diets, suggesting no effect of either dietary DE or DP levels. In Lys excess, the VFI was markedly decreased by the DP level but not by the extra DE supply. Our results suggest that the relative Lys need is best expressed in terms of percentage of protein content for optimum fish feed formulation, at least in rainbow trout fry. PMID- 29223179 TI - Intra- and inter-specific variation in alarm pheromone produced by Solenopsis fire ants. AB - Some fire ants of the genus Solenopsis have become invasive species in the southern United States displacing native species by competition. Although the displacement pattern seems clear, the mechanisms underlying competitive advantage remain unclear. The ability of ant workers to produce relatively larger amount of alarm pheromone may correspond to relative greater fitness among sympatric fire ant species. Here we report on quantitative intra-specific (i.e. inter-caste) and inter-specific differences of alarm pheromone component, 2-ethyl-3,6 dimethylpyrazine (2E36DMP), for several fire ant species. The alarm pheromone component was extracted by soaking ants in hexane for 48 h and subsequently quantified by gas chromatography-mass spectrometry at single ion monitoring mode. Solenopsis invicta workers had more 2E36DMP than male or female alates by relative weight; individual workers, however, contained significantly less pyrazine. We thus believe that alarm pheromones may serve additional roles in alates. Workers of Solenopsis richteri, S. invicta, and hybrid (S. richteri * S. invicta) had significantly more 2E36DMP than a native fire ant species, Solenopsis geminata. The hybrid fire ant had significantly less 2E36DMP than the two parent species, S. richteri and S. invicta. It seems likely that higher alarm pheromone content may have favored invasion success of exotic fire ants over native species. We discuss the potential role of inter-specific variation in pyrazine content for the relationship between the observed shifts in the spatial distributions of the three exotic fire ant species in southern United States and the displacement of native fire ant species. PMID- 29223181 TI - Reduced cardiotoxicity and increased oral efficacy of artemether polymeric nanocapsules in Plasmodium berghei-infected mice. AB - Artemether (ATM) cardiotoxicity, its short half-life and low oral bioavailability are the major limiting factors for its use to treat malaria. The purposes of this work were to study free-ATM and ATM-loaded poly-epsilon-caprolactone nanocapules (ATM-NC) cardiotoxicity and oral efficacy on Plasmodium berghei-infected mice. ATM-NC was obtained by interfacial polymer deposition and ATM was associated with polymeric NC oily core. For cardiotoxicity evaluation, male black C57BL6 uninfected or P. berghei-infected mice received, by oral route twice daily/4 days, vehicle (sorbitol/carboxymethylcellulose), blank-NC, free-ATM or ATM-NC at doses 40, 80 or 120 mg kg-1. Electrocardiogram (ECG) lead II signal was obtained before and after treatment. For ATM efficacy evaluation, female P. berghei infected mice were treated the same way. ATM-NC improved antimalarial in vivo efficacy and reduced mice mortality. Free-ATM induced significantly QT and QTc intervals prolongation. ATM-NC (120 mg kg-1) given to uninfected mice reduced QT and QTc intervals prolongation 34 and 30%, respectively, compared with free-ATM. ATM-NC given to infected mice also reduced QT and QTc intervals prolongation, 28 and 27%, respectively. For the first time, the study showed a nanocarrier reducing cardiotoxicity of ATM given by oral route and it was more effective against P. berghei than free-ATM as monotherapy. PMID- 29223180 TI - The relationship between gait dynamics and future cognitive decline: a prospective pilot study in geriatric patients. AB - : ABSTRACTBackground:Walking ability recently emerged as a sub-clinical marker of cognitive decline. Hence, the relationship between baseline gait and future cognitive decline was examined in geriatric patients. Because a "loss of complexity" (LOC) is a key phenomenon of the aging process that exhibits in multiple systems, we propose the idea that age- and cognition-related LOC may also become manifested in gait function. The LOC theory suggests that even healthy aging is associated with a (neuro)physiological breakdown of system elements that causes a decline in variability and an overall LOC. We used coordination dynamics as a conceptual framework and hypothesized that a LOC is reflected in dynamic gait outcomes (e.g. gait regularity, complexity, stability) and that such outcomes could increase the specificity of the gait-cognition link. METHODS: 19 geriatric patients (age 80.0+/-5.8) were followed for 14.4+/-6.6 months. An iPod collected three-dimensional (3D) trunk accelerations while patients walked for 3 minutes. Cognition was evaluated with the Mini-Mental State Examination (MMSE) and the Seven-Minute screen (7MS) test. The Reliable Change Index (RCI) quantified the magnitude of cognitive change. Spearman's Rho coefficients (rho) indexed correlations between baseline gait and future cognitive change. RESULTS: Seven patients showed reliable cognitive decline ("Cognitive Decline" group), and 12 patients remained cognitively stable ("Cognitive Stable" group) over time. Future cognitive decline was correlated with a more regular (rho = 0.579*) and predictable (rho = 0.486*) gait pattern, but not with gait speed. CONCLUSIONS: The increase in gait regularity and predictability possibly reflects a LOC due to age- and cognition-related (neuro)physiological decline. Because dynamic versus traditional gait outcomes (i.e. gait speed and (variability of) stride time) were more strongly correlated with future cognitive decline, the use of wearable sensors in predicting and monitoring cognitive and physical health in vulnerable geriatric patients can be considered promising. However, our results are preliminary and do require replication in larger cohorts. PMID- 29223182 TI - A randomized controlled trial examining the impact of aged care residents' written life-stories on aged care staff knowledge and attitudes. AB - : ABSTRACTBackground:The unprecedented increase in the number of older adults moving into aged care facilities has created a challenge for quality person centered care service provision. This study examined the impact of written life stories on knowledge and attitudes of care staff about the residents when compared to usual file notes. METHODS: A randomized controlled study was carried out with 40 staff working in an aged care residential facility. Staff were randomly assigned to a control condition, in which they read file notes (n = 21) or to an experimental condition, in which they read life stories (n = 19) about residents who they knew, and completed the Knowledge of Resident Scale (KRS) before and after their assigned reading. RESULTS: A main effect for time was found for eight of the ten questions on the KRS, suggesting that irrespective of whether a participant read life stories or file notes, there was a significantly positive impact on knowledge and attitudes toward residents. However, significantly greater improvement was shown for one item on the KRS in the experimental condition when compared to the control condition, indicating that historical knowledge of residents was greater when staff read life stories than when they read file notes, F (1,38) = 6.50, p = 0.02. CONCLUSION: These results provide preliminary evidence that knowledge and attitudes of care staff can increase about the residents for whom they care following reading file notes and life stories. The increase is similar, except in the area of historical information, where it is greater for the group who read life stories. PMID- 29223183 TI - Conversion between Addenbrooke's Cognitive Examination III and Mini-Mental State Examination. AB - : ABSTRACTBackground:We aim to provide a conversion between Addenbrooke's Cognitive Examination III (ACE-III) and Mini-Mental State Examination (MMSE) scores, to predict the MMSE result based on ACE-III, thus avoiding the need for both tests, and improving their comparability. METHODS: Equipercentile equating method was used to elaborate a conversion table using a group of 400 participants comprising healthy controls and Alzheimer's disease (AD) patients. Then, reliability was assessed in a group of 100 healthy controls and patients with AD, 52 with primary progressive aphasia and 22 with behavioral variant frontotemporal dementia. RESULTS: The conversion table between ACE-III and MMSE denoted a high reliability, with intra-class correlation coefficients of 0.940, 0.922, and 0.902 in the groups of healthy controls and AD, behavioral variant frontotemporal dementia, and primary progressive aphasia, respectively. CONCLUSION: Our conversion table between ACE-III and MMSE suggests that MMSE may be estimated based on the ACE-III score, which could be useful for clinical and research purposes. PMID- 29223184 TI - Older marijuana users' marijuana risk perceptions: associations with marijuana use patterns and marijuana and other substance use disorders. AB - : ABSTRACTBackground:Compared to their non-using age peers, older marijuana users are known to have lower marijuana risk perceptions. We examined associations of older marijuana users' risk perceptions with their marijuana use patterns and substance use disorders. METHODS: Data are from 2013 to 2015 National Survey of Drug Use and Health (N = 24,057 respondents aged 50+ years). Bivariate logistic regression was used to compare risk perceptions among never users, former users, and past-year users aged 50+ years. Multivariable logistic regression was used to test associations between risk perception and marijuana use status and between risk perception and marijuana use patterns. RESULTS: Among the total sample, former (AOR = 0.30, 95% CI = 0.27-0.32) and past-year (AOR = 0.05, 95% CI = 0.04 0.06) marijuana users had significantly lower odds of moderate/great risk perception (as opposed to no/slight risk perception) than never users. Among past year users, odds of moderate/great risk perception were lower among those who used marijuana more frequently (AOR = 0.14, 95% CI = 0.07-0.28 for 300+ days of use compared to 1-11 days of use) and who reported any medical marijuana use (AOR = 0.27, 95% CI = 0.14-0.51). However, those who had marijuana use disorder were 3.5 times more likely to report moderate/great risk perception (AOR = 3.50, 95% CI = 1.62-7.58). Those who had a college education, had higher incomes, and resided in states with medical marijuana laws also had lower risk perceptions. CONCLUSIONS: Public health education on scientific evidence about marijuana's benefits and harms and age-appropriate treatment for older adults with substance use problems are needed. Research on risk perception formation using longitudinal data among older adults is also needed. PMID- 29223185 TI - Aiding medical professionals in fitness-to-drive screenings for elderly drivers: development of an office-based screening tool. AB - : ABSTRACTBackground:Elderly drivers are an increasing group in society. Previous research has found that functional and cognitive abilities are more important for driving abilities than biological age. In an attempt to conserve independent mobility for elderly drivers, many researchers have focused on elderly drivers diagnosed with cognitive decline (mild cognitive impairment or mild Dementia). This study is the first to focus on elderly drivers with cognitive complaints or suspected of diminished fitness to drive by an (in)formal caregiver as an at-risk group. METHODS: The main objective of this study was to develop a fitness to drive screening tool for elderly drivers to be used in a doctor's office. Furthermore, this study investigated the additional value of driving simulator tests in the assessment of fitness to drive. Both screenings (functional abilities and driving simulator test) were benchmarked against the official Belgian fitness to drive licensing procedure. RESULTS: One-hundred thirty-six elderly drivers participated in a functional abilities screening, a driving simulator assessment and an on-road driving test. Sixty-five percent of the sample was considered fit to drive. Visual acuity, physical flexibility, and knowledge of road signs were found to be the best predictive set of tests for the on-road fitness to drive outcome. A performance based driving simulator assessment increased predictive accuracy significantly. CONCLUSION: The proposed screening procedure saves part of the at-risk elderly driver population from stressful and costly on-road driving evaluations. This procedure provides more information of an individual driver's specific driving parameters. This opens doors for personalized older driver training to maintain independent mobility in later life. PMID- 29223186 TI - Willingness of Firefighting Program Students to Work in Disasters-Turkey. AB - : Introduction Firefighting is an important profession during disasters. Firefighters are on duty for many vital functions, including fire extinguishing, search and rescue work, and evacuation of disaster victims to a safe zone. In case of a disaster situation, it is vital to have willing personnel to work in disasters. In the literature, type of disaster, individual demographic factors, family factors, and workplace factors have been identified as factors that influence health care personnel's willingness to work during a disaster. However, little is known about firefighters and firefighter candidates' willingness to work in a disaster. Hypothesis/Problem This study was aimed to identify the willingness of civil defense and firefighting program students to work in different disasters after graduation and the factors associated with their willingness. METHODS: The universe of this descriptive, epidemiological study was 1,116 students of civil defense and firefighting programs in Turkey. They were from 11 different universities. In the research study, a sample was not chosen as it was aimed at reaching the whole universe. A standardized survey form of 58 questions, prepared by researchers, was used to gather data. RESULTS: The rate of participation was 65.5%. Of the students, 82.8% said that after graduation they would like to work in disasters, whereas 16.2% were indecisive. The students were less willing to work in nuclear accidents (42.4%) and epidemic disasters (32.1%). In chi-square analysis, "willingness of students to work in disasters after graduation" (dependent variable) and the independent variables: "university of student," "exercising regularly," "having a hobby related to disaster," "having been educated about disaster," and "being satisfied from the received education" were found statistically significant. When students' willingness to work in disasters after graduation (ref=unwilling) was analyzed with multi-variate analysis, only "university of students" and "having a hobby related to disasters" were found statistically significant. CONCLUSION: Overall, 16.2% of the students stated that they were indecisive to work in disasters in the future, and 1.0% of them stated that they did not want to work in disasters. Moreover, willingness of students to work in nuclear accident and contagious disease disasters has been found to be lower compared to other disaster types. Kaya E , Altintas H . Willingness of firefighting program students to work in disasters-Turkey. Prehosp Disaster Med. 2018;33(1):13-22. PMID- 29223187 TI - Children's comprehension of contrastive connectives. AB - Production studies show connective acquisition by age 3;0, but comprehension studies show errors until 9;0 or older. To further investigate this gap, two comprehension tasks were carried out with 78 Dutch children between the ages of 7;0 and 10;1, testing contrastive maar 'but' and causal want 'because' connectives for comparison. An existing context choice task and a task that tested children's ability to interpret pronouns dependent on the connective were used. Children did well on the context choice task for want 'because', but performed far below chance with maar 'but'. In the pronoun interpretation task the youngest children performed at or near chance with both connectives, but show gradual improvement with age. Task complexity may partially explain the results but in general, they are consistent with previous experiments showing contrastive connective comprehension is acquired very late compared to their correct production. Further, the pronoun interpretation task may give a more accurate picture of understanding. PMID- 29223189 TI - The evaluation of arterial stiffness of essential hypertension and white coat hypertension in children: a case-control study. AB - BACKGROUND: The aim of this study was to determine and compare cardiovascular risks by assessing arterial stiffness in children with essential hypertension and white coat hypertension. METHODS: Paediatric patients followed up with essential hypertension and white coat hypertension diagnoses and with no established end organ damage were involved in the study. Arterial stiffness in children included in the study was evaluated and compared by using the oscillometric device (Mobil O-Graph) method. RESULTS: A total of 62 essential hypertension (34 male, 28 female), 38 white coat hypertension (21 male, 17 female), and 60 healthy controls (33 male, 27 female) were assessed in the present study. Pulse wave velocity of the essential hypertension, white coat hypertension, and control group was, respectively, as follows: 5.3+/-0.6 (m/s), 5.1+/-0.4 (m/s), 4.3+/-0.4 (m/s) (p<0.001); augmentation index outcomes were, respectively, determined as follows: 21.3+/-6.5, 19.3+/-6.4, 16.0+/-0.3 (p<0.001). Pulse wave velocity and augmentation index values of children with essential hypertension and white coat hypertension were found to be higher compared with the control group. This level was identified as correlated with the duration of hypertension in both patient groups (p<0.01). CONCLUSION: Arterial stiffness in children with essential hypertension and white coat hypertension was impaired compared with healthy children. This finding has made us think that white coat hypertension is not an innocent clinical situation. This information should be taken into consideration in the follow-up and treatment approaches of the patients. PMID- 29223188 TI - Disordered eating in Sami and non-Sami Norwegian populations: the SAMINOR 2 Clinical Survey. AB - OBJECTIVE: The present study aimed to investigate disordered eating (DE) among Sami compared with non-Sami residing in northern Norway. DESIGN: In a cross sectional design, stratified by sex and ethnicity, associations were tested between DE (Eating Disturbance Scale; EDS-5) and age, education level, BMI category, anxiety and depression, physical activity and consumption of snacks. SETTING: The SAMINOR 2 Clinical Survey (2012-2014) based on the population of ten municipalities in northern Norway. SUBJECTS: Adults aged 40-69 years; 1811 Sami (844 male, 967 female) compared with 2578 non-Sami (1180 male, 1398 female) individuals. RESULTS: No overall significant ethnic difference in DE was identified, although comfort eating was reported more often by Sami individuals (P=0.01). Regardless of ethnicity and sex, symptoms of anxiety and depression were associated with DE (P<0.001). Furthermore, DE was more common at lower age and higher BMI values. Education levels were protectively associated with DE among Sami men (P=0.01). DE was associated (OR, 95% CI) with low physical activity in men in general and in non-Sami women (Sami men: 2.4, 1.4, 4.0; non Sami men: 2.2, 1.4, 3.6; non-Sami women: 1.8, 1.2, 2.9) and so was the consumption of snacks (Sami men: 2.6, 1.3, 5.0; non-Sami men: 1.9, 1.1, 3.1; non Sami women: 2.1, 1.3, 3.4). CONCLUSIONS: There were no significant differences regarding overall DE comparing Sami with non-Sami, although Sami more often reported comfort eating. There were significant sex and ethnic differences related to DE and physical activity, snacking and education level. PMID- 29223190 TI - Educational effects on ascertain dementia 8-item informant questionnaire to detect dementia in the Taiwanese population. AB - : ABSTRACTBackground:Dementia screening is a public health priority in Taiwan, where the prevalence of dementia is increasing because of an aging population. However, the reasons affect community-dwelling people to accept a referral to memory specialist clinic after dementia screening was still unclear. To investigate the feasibility, acceptability, sensitivity, and specificity of the ascertain dementia 8-item informant questionnaire (AD8) to screen for patients with cognitive impairments in Taiwan's primary healthcare system. METHODS: Researchers invited community-dwelling people whose age was above 50-year-old to attend the Memory Screening Project. AD8 was used to perform the informant interview with adult patients who were attending the Memory Screening Project in Taiwan. Individuals who scored >=2 on the AD8 was suggested to accept referral for further cognitive performance evaluation tests, which included three validated dementia tests, i.e. the Mini-Mental Screening Examination (MMSE), the Cognitive Abilities Screening Instrument (CASI), and the Clinical Dementia Rating (CDR). RESULTS: Of the 102 participants who scored >=2 on the AD8, only 25.5% attended the referral appointment. In participants who had achieved six or more years of education, AD8 scores were not significantly different between groups and could not differentiate between the non-dementia and patients with dementia in the receiver-operator characteristics curve analysis. In contrast, in those participants who had received less than six years of education, the AD8 scores significantly differentiated between non-dementia and patients with dementia (p = 0.03). CONCLUSIONS: There was a low rate of attendance at a specialist memory clinic following referral after the AD8 interview. Higher levels of education facilitated individuals to make a decision to accept the recommended referral appointment, while the AD8 showed a higher rate of differentiation between individuals who had received an education of less than six years. PMID- 29223191 TI - Iterating a framework for the prevention of caregiver depression in dementia: a multi-method approach. AB - : ABSTRACTBackground:Dementia caregiving is often stressful and depression in family caregivers is not uncommon. As caregiver depression can have significant effects, there is a need for preventive efforts which are consistent with the extensive literature. We sought to consolidate the wide range of evidence (using a multi-method approach) into a simple framework that can guide the prevention of caregiver depression. METHODS: Using multiple logistic regression, we derived the predictors of caregiver depression from an empirical dataset containing key information and depression scores (based on the Center-for-Epidemiological Studies-Depression-Scale) of 394 family caregivers. We then chose an underpinning theory as the foundation of the framework, and conducted an umbrella systematic review to find possible links between the derived predictors and the theory. Last, we compared the iterated framework with known interventions for caregiver depression in recent literature to assess whether the framework could map meaningfully with the known interventions. RESULTS: Significant predictors of caregiver depression included primary caregiver (odds ratio, OR = 1.53), severe dementia (OR = 1.40), and behavioral problems (OR = 3.23), lower education (OR = 1.77), and spousal caregivers (OR = 1.98). The integrated framework derived focuses on four strategic areas: physical-care demands of persons with dementia (PWD), behavioral problems of PWD, caregiving competency, and loss and grief of caregivers. This framework is supported by known interventions for caregiver depression in recent literature. CONCLUSIONS: By consolidating a broad range of evidence, we iterated a framework to aid the understanding and prevention of caregiver depression in dementia. The framework offers an approach to prevention which is simple, systematic, and reflective of the extensive literature. PMID- 29223192 TI - Training needs for dementia care in China from the perspectives of mental health providers: who, what, and how. AB - : ABSTRACTBackground:Acknowledging increasing demand of dementia care for patients in China, this paper aims to understand the training needs of dementia care from the perspectives of mental health providers by examining who should be the trainees, what should be the contents of training, and how to deliver the training in China. METHODS: Using purposive sampling, data were gathered via four focus group discussions with 40 mental health providers in Beijing, China, in 2011. Data were transcribed by independent investigators and then translated into English. Researchers used content analysis to separately identify themes and codes. Discrepancies were discussed until final agreement achieved. RESULTS: To improve the quality of dementia care, all participants agreed there is a significant need to train both formal or professional (physicians, nurses, hospital administrators, community workers) and informal caregivers (family, friends, or non-kin hired caregivers). For formal or professional caregivers, suggested training content included clinical knowledge of dementia (i.e. pathogenesis, approaches for preventing dementia deterioration) and clinical practice skills (i.e. diagnostic, treatment, caregiving, counseling, communicating skills). For informal caregivers, basic dementia knowledge and home based caregiving skills such as safety, restorative, stress management, and communication were identified as key training contents. Multilevel support from the government and community centers were considered crucial factors to delivering the training and educating the public to enhance awareness of dementia. CONCLUSIONS: Culturally, sensitive education and specific trainings for formal and informal dementia caregivers are urgently needed in China. Policy and program implications are discussed. PMID- 29223193 TI - Quality Indicators for Evaluating Prehospital Emergency Care: A Scoping Review. AB - : Introduction Historically, the quality and performance of prehospital emergency care (PEC) has been assessed largely based on surrogate, non-clinical endpoints such as response time intervals or other crude measures of care (eg, stakeholder satisfaction). However, advances in Emergency Medical Services (EMS) systems and services world-wide have seen their scope and reach continue to expand. This has dictated that novel measures of performance be implemented to compliment this growth. Significant progress has been made in this area, largely in the form of the development of evidence-informed quality indicators (QIs) of PEC. Problem Quality indicators represent an increasingly popular component of health care quality and performance measurement. However, little is known about the development of QIs in the PEC environment. The purpose of this study was to assess the development and characteristics of PEC-specific QIs in the literature. METHODS: A scoping review was conducted through a search of PubMed (National Center for Biotechnology Information, National Institutes of Health; Bethesda, Maryland USA); EMBase (Elsevier; Amsterdam, Netherlands); CINAHL (EBSCO Information Services; Ipswich, Massachusetts USA); Web of Science (Thomson Reuters; New York, New York USA); and the Cochrane Library (The Cochrane Collaboration; Oxford, United Kingdom). To increase the sensitivity of the literature, a search of the grey literature and review of select websites was additionally conducted. Articles were selected that proposed at least one PEC QI and whose aim was to discuss, analyze, or promote quality measurement in the PEC environment. RESULTS: The majority of research (n=25 articles) was published within the last decade (68.0%) and largely originated within the USA (68.0%). Delphi and observational methodologies were the most commonly employed for QI development (28.0%). A total of 331 QIs were identified via the article review, with an additional 15 QIs identified via the website review. Of all, 42.8% were categorized as primarily Clinical, with Out-of-Hospital Cardiac Arrest contributing the highest number within this domain (30.4%). Of the QIs categorized as Non-Clinical (57.2%), Time-Based Intervals contributed the greatest number (28.8%). Population on Whom the Data Collection was Constructed made up the most commonly reported QI component (79.8%), followed by a Descriptive Statement (63.6%). Least reported were Timing of Data Collection (12.1%) and Timing of Reporting (12.1%). Pilot testing of the QIs was reported on 34.7% of QIs identified in the review. CONCLUSION: Overall, there is considerable interest in the understanding and development of PEC quality measurement. However, closer attention to the details and reporting of QIs is required for research of this type to be more easily extrapolated and generalized. Howard I , Cameron P , Wallis L , Castren M , Lindstrom V . Quality indicators for evaluating prehospital emergency care: a scoping review. Prehosp Disaster Med. 2018;33(1):43-52. PMID- 29223194 TI - Hospital-Confirmed Acute Myocardial Infarction: Prehospital Identification Using the Medical Priority Dispatch System. AB - : Introduction Early recognition of an acute myocardial infarction (AMI) can increase the patient's likelihood of survival. As the first point of contact for patients accessing medical care through emergency services, emergency medical dispatchers (EMDs) represent the earliest potential identification point for AMIs. The objective of the study was to determine how AMI cases were coded and prioritized at the dispatch point, and also to describe the distribution of these cases by patient age and gender. Hypothesis/Problem No studies currently exist that describe the EMD's ability to correctly triage AMIs into Advanced Life Support (ALS) response tiers. METHODS: The retrospective descriptive study utilized data from three sources: emergency medical dispatch, Emergency Medical Services (EMS), and emergency departments (EDs)/hospitals. The primary outcome measure was the distributions of AMI cases, as categorized by Chief Complaint Protocol, dispatch priority code and level, and patient age and gender. The EMS and ED/hospital data came from the Utah Department of Health (UDoH), Salt Lake City, Utah. Dispatch data came from two emergency communication centers covering the entirety of Salt Lake City and Salt Lake County, Utah. RESULTS: Overall, 89.9% of all the AMIs (n=606) were coded in one of the three highest dispatch priority levels, all of which call for ALS response (called CHARLIE, DELTA, and ECHO in the studied system). The percentage of AMIs significantly increased for patients aged 35 years and older, and varied significantly by gender, dispatch level, and chief complaint. A total of 85.7% of all deaths occurred among patients aged 55 years and older, and 88.9% of the deaths were handled in the ALS recommended priority levels. CONCLUSION: Acute myocardial infarctions may present as a variety of clinical symptoms, and the study findings demonstrated that more than one-half were identified as having chief complaints of Chest Pain or Breathing Problems at the dispatch point, followed by Sick Person and Unconscious/Fainting. The 35-year age cutoff for assignment to higher priority levels is strongly supported. The Falls and Sick Person Protocols offer opportunities to capture atypical AMI presentations. Clawson JJ , Gardett I , Scott G , Fivaz C , Barron T , Broadbent M , Olola C . Hospital-confirmed acute myocardial infarction: prehospital identification using the Medical Priority Dispatch System. Prehosp Disaster Med. 2018;33(1):29-35. PMID- 29223195 TI - Advanced Modeling Methods for Studying Individual Differences and Dynamics in Organizations: Introduction to the Special Issue. PMID- 29223196 TI - Application of Psychological Theories in Agent-Based Modeling: The Case of the Theory of Planned Behavior. AB - It is likely that computer simulations will assume a greater role in the next future to investigate and understand reality (Rand & Rust, 2011). Particularly, agent-based models (ABMs) represent a method of investigation of social phenomena that blend the knowledge of social sciences with the advantages of virtual simulations. Within this context, the development of algorithms able to recreate the reasoning engine of autonomous virtual agents represents one of the most fragile aspects and it is indeed crucial to establish such models on well supported psychological theoretical frameworks. For this reason, the present work discusses the application case of the theory of planned behavior (TPB; Ajzen, 1991) in the context of agent-based modeling: It is argued that this framework might be helpful more than others to develop a valid representation of human behavior in computer simulations. Accordingly, the current contribution considers issues related with the application of the model proposed by the TPB inside computer simulations and suggests potential solutions with the hope to contribute to shorten the distance between the fields of psychology and computer science. PMID- 29223197 TI - An Estimation of a Nonlinear Dynamic Process Using Latent Class Extended Mixed Models: Affect Profiles After Terrorist Attacks. AB - Conceptualizing affect as a complex nonlinear dynamic process, we used latent class extended mixed models (LCMM) to understand whether there were unobserved groupings in a dataset including longitudinal measures. Our aim was to identify affect profiles over time in people vicariously exposed to terrorism, studying their relations with personality traits. The participants were 193 university students who completed online measures of affect during the seven days following two terrorist attacks (Paris, November 13, 2015; Brussels, March 22, 2016); Big Five personality traits; and antecedents of affect. After selecting students whose negative affect was influenced by the two attacks (33%), we analysed the data with the LCMM package of R. We identified two affect profiles, characterized by different trends over time: The first profile comprised students with lower positive affect and higher negative affect compared to the second profile. Concerning personality traits, conscientious-ness was lower for the first profile compared to the second profile, and vice versa for neuroticism. Findings are discussed for both their theoretical and applied relevance. PMID- 29223198 TI - Second-Order Growth Mixture Modeling in Organizational Psychology: An Application in the Study of Job Performance Using the Cusp Catastrophe Model. AB - In recent years, research in organizational psychology has witnessed a shift in attention from a mostly variable-focused approach, to a mostly person-focused approach. Indeed, it has been widely recognized that the study of worker's heterogeneity is a meaningful and necessary task of researchers dealing with human behavior in organizational contexts. As a consequence, there has been growing interest in the application of statistical analyses able to uncover latent sub-groups of workers. The present contribution was conceived as a tutorial for the application of one of these statistical analyses, namely second order growth mixture modeling, and to illustrate its inner links with concepts from non-linear dynamic models. Throughout the paper, we provided (a) a discussion on the relationships between growth mixture modeling and the cusp catastrophe model; (b) Mplus syntaxes and output excerpts of a longitudinal analysis conducted on job performance (N = 420 employees rated once a year for four consecutive years); PMID- 29223199 TI - The Influence of Homophilous Interactions on Diversity Effects in Group Problem Solving. AB - Increasingly diversity researchers call for further studies of group micro processes and dynamics to understand the paradoxical effects of diversity on group performance. In this study, based on analyses of in-group, networked, homophilous interactions, we aim to explain further the effects of diversity on group performance in a parallel problem-solving task, both experimentally and computationally. We developed a 'whodunit' problem-solving experiment with 116 participants assigned to different-sized groups. Experimental results show that low diversity and high homophily levels are associated with lower performance while the effects of group size are not significant. To investigate this further, we developed an agent-based computational model (ABM), through which we inspected (a) the effect of different homophily and diversity strengths on performance, and (b) the robustness of such effects across group size variations. Overall, modeling results were consistent with our experimental findings, and revealed that the strength of homophily can drive diversity towards a positive or negative impact on performance. We also observed that increasing group size has a very marginal effect. Our work contributes to a better understanding of the implications of diversity in-group problem-solving by providing an integration of both experimental and computational perspectives in the analysis of group processes. PMID- 29223200 TI - Emotions as Proximal Causes of Word of Mouth: A Nonlinear Approach. AB - Service research tends to operationalize word of mouth (WOM) behavior as one of the many responses to service satisfaction. In this sense, little is known about its antecedents or moderators. The objective of this study was to investigate the role of customers' emotions during service experiences on WOM, applying nonlinear techniques and exploring the moderating role of customers' propensity for emotional contagion. Using the critical incidents technique, 122 customers recalled significant service experiences and the emotions they aroused, and reported if they shared said experiences with other individuals. We found that, whereas linear methods presented non-significant results in the emotions-WOM relationship, nonlinear ones (artificial neural networks) explained 46% of variance. Negative emotions were stronger predictors of WOM and the importance of emotions for WOM was significantly higher for individuals with high propensity for emotional contagion (R^2 = .79) than for those with lower levels (R^2 = .48). Theoretical and practical implications are discussed. PMID- 29223201 TI - Investigating Balance in Teacher Job Attitudes using Polynomial Regression and Response Surface Methodology. AB - Organizational theorists have long advocated the importance of attending to multiple stakeholders. However, limited empirical research has been devoted to the ways in which to identify balance, or imbalance, between stakeholder groups possibly due to methodological issues with modeling such complex nomological nets. The current study utilized the multiple stakeholder climate framework to test hypothesized relationships between perceptions of support and affectively based criteria using polynomial regression and response surface methodology to test discreet regression lines representing predictions. Results from 297 teachers surveyed indicated that support for each group led to positive outcomes for teachers (higher job-specific positive affect and organiza-tional commitment, and lower negative affect). Further, when the support for teachers exceeded or fell short of the support for students, indicating imbalance, negative affect increased. PMID- 29223202 TI - Evidence of Chaos in a Routine Watchstanding Task. AB - Research into human performance on naval ships often emphasizes the significance of shaping factors, such as vigilance, fatigue and circadian rhythm. However, few report on the presence of complex nonlinear dynamics and fractal dimensionality. This study examines over 7000 routine topside security checks on a U.S. Navy Destroyer performed over a twelve-month period. Time series analysis (0-1 test, analysis of Lyapunov exponent, state space plots, and graphical analysis) reveal the presence of chaotic behavior, harmonics attractors, and fractal structures. The presence of this level of complexity in a simple task demonstrates the need to integrate previous findings in human performance with new discoveries in complexity and fractional dynamics. PMID- 29223204 TI - Civil Discourse and Peer Review. PMID- 29223203 TI - [Editorial]. PMID- 29223205 TI - Dietary Approach to Reflux. PMID- 29223206 TI - A Call to Action to Address Barriers to Breastfeeding and Lactation Faced by Student-Mothers. AB - Many new mothers returning to school after childbirth face barriers within their academic settings to meeting their goals for exclusive breastfeeding. Potential barriers to breastfeeding faced by student-mothers include lack of legal protection, lack of breastfeeding-friendly university policies, inadequate availability of breastfeeding facilities, and insufficient awareness of the importance of breastfeeding among mothers, health care providers, and university administrators and faculty. Here we advocate for six action steps to help remove barriers to breastfeeding faced by student-mothers. PMID- 29223207 TI - Commentary on a Cochrane Review of Screening for Intimate Partner Violence in Health Care Settings. AB - Intimate partner violence is a universal phenomenon that warrants awareness by all health care providers. This article summarizes a Cochrane Review on screening women for intimate partner violence in health care settings. The review authors identified 13 randomized controlled trials and quasi-randomized controlled trials that assessed the effectiveness of screening for intimate partner violence. The authors concluded that there was insufficient evidence to justify implementation of universal screening for intimate partner violence. PMID- 29223208 TI - Implementing Evidence-Based Neonatal Skin Care With Parent-Performed, Delayed Immersion Baths. AB - There has been a recent trend toward delaying newborn baths because of mounting evidence that delayed bathing promotes breastfeeding, decreases hypothermia, and allows for more parental involvement with newborn care. A multidisciplinary team from a maternal-new-born unit at a military medical center designed and implemented an evidence-based practice change from infant sponge baths shortly after birth to delayed immersion baths. An analysis of newborn temperature data showed that newborns who received delayed immersion baths were less likely to be hypothermic than those who received a sponge bath shortly after birth. Furthermore, parents reported that they liked participating in bathing their newborns and that they felt prepared to bathe them at home. PMID- 29223209 TI - Nurse-Led Initiatives to Implement Universal Screening for Perinatal Emotional Complications. AB - Perinatal emotional complications are the most common pregnancy complications in the United States. This article reviews three recent studies that illustrate the prevalence of and risk factors for perinatal emotional complications and sheds light on the inconsistency of screening by health care providers in acute care and outpatient settings. Also presented is an example of nurse-led quality improvement initiatives aimed at implementing universal screening in a rural New England county, which resulted in 100% screening with the Edinburgh Postnatal Depression Scale across health care facilities within the community, as well as a system-wide change in the approach to identifying and treating perinatal emotional complications. PMID- 29223210 TI - Providing Evidence-Based Care During the Golden Hour. AB - The Golden Hour encompasses a set of evidence-based practices that contribute to the physiologic stabilization of the mother-newborn dyad after birth. Important elements of the Golden Hour include delayed cord clamping, skin-to-skin contact for at least an hour, the performance of newborn assessments on the maternal abdomen, delaying non-urgent tasks (e.g., bathing the newborn) for 60 minutes, and the early initiation of breastfeeding. The Golden Hour contributes to neonatal thermoregulation, decreased stress levels in a woman and her newborn, and improved mother-newborn bonding. Implementation of these actions is further associated with increased rates and duration of breastfeeding. This article explores the evidence supporting the Golden Hour and provides strategies for successfully implementing a Golden Hour protocol on a hospital-based labor and delivery unit. PMID- 29223211 TI - Perinatal and Neonatal Implications of Sickle Cell Disease. AB - Sickle cell disease is the genetic disorder most commonly detected with state mandated newborn screening. Women with sickle cell disease struggle with psychosocial, emotional, and physical challenges throughout their lives. Pregnancy for women with sickle cell disease brings greater risk for maternal and fetal morbidity and mortality and increased likelihood of hospitalization for complications, including sickle cell pain crisis. Chronic maternal opioid use for pain can place newborns at risk for neonatal abstinence syndrome. Care of a pregnant woman with sickle cell disease requires a collaborative, multidisciplinary team addressing the medical, social, and emotional needs of the woman and her family. PMID- 29223212 TI - How to Engage Your Team to Implement Delayed Cord Clamping. AB - This article describes how a health care team changed practice by implementing delayed cord clamping as standard practice. After administration of a survey to assess clinicians' knowledge and to discover barriers to this proposed practice change, members of a multidisciplinary committee used the results to create a guideline for delayed cord clamping and a plan for successful implementation. Integral to embedding and sustaining changes in practice was development of the Delivery Room Brief and Debrief Tool and inclusion of the process into nursing guidelines and the electronic health record. Through the use of these tools and teamwork, delayed cord clamping was implemented as standardized practice across six hospitals within this health care system. PMID- 29223215 TI - Confidentiality in Adolescent Health Care. PMID- 29223214 TI - Emergency Contraception. PMID- 29223213 TI - Immigration Basics for Nurses. AB - The United States is known as a nation of immigrants and a land of promise that welcomes the needy, poor, and oppressed. Immigrants represent some of the most vulnerable in society. It is vital that nurses and other health care providers possess knowledge of social, economic, and political factors related to health care for immigrant populations. This article provides definitions of the various immigrant populations, addresses health needs within this group, and offers suggestions for nursing practice and advocacy. PMID- 29223216 TI - Proud and Grateful to Be a Nurse and an Educator. PMID- 29223217 TI - Editorial overview. PMID- 29223218 TI - [New paradigms for endometrial cancers treatment!] PMID- 29223219 TI - The Intergenerational Impact of Prenatal Stress: Time to Focus on Prevention? PMID- 29223220 TI - Relevance of Psychological Symptoms in Pregnancy to Intergenerational Effects of Preconception Trauma. PMID- 29223221 TI - Gut Microbes and Brain Development Have Black Box Connectivity. PMID- 29223222 TI - From "Azalla" to Anandamide: Distilling the Therapeutic Potential of Cannabinoids. PMID- 29223223 TI - Cataract surgery in patients with diabetes. PMID- 29223224 TI - Combined interface tattooing and fibrin glue-assisted sutureless corneal resurfacing with donor lenticule obtained from small-incision lenticule extraction for limbal dermoid. AB - We describe a technique of small-incision lenticule extraction (SMILE)-assisted sutureless corneal resurfacing with interface tattooing for superficial limbal dermoids. After excision at a plane minimally below surrounding normal cornea and sclera, a corneal tattoo powder is carefully applied within an inked circular outline of the intended corneal margin. Circularity and cosmesis are assessed in natural light with the microscope light off. Fibrin glue-assisted corneal resurfacing is performed with the lenticule. The conjunctiva is closed with glue. The technique was performed in 3 patients, who had satisfactory cosmetic and refractive effects and decreased corneal astigmatism (follow-up 12 to 25 months). The technique is safe, effective, and fast with good cosmetic and refractive effects. It retains tectonic stability and decreases the risk for complications such as intraoperative perforation, postoperative limbal ectasia, and visible corneal scarring. A similar technique with a microkeratome-created thin flap on a donor cornea was alternatively performed by us in the absence of donor lenticules. PMID- 29223225 TI - Poor glycemic control as a risk factor for pseudophakic cystoid macular edema in patients with diabetes. AB - PURPOSE: To specify the risk factors for pseudophakic cystoid macular edema (CME) in patients with diabetes. SETTING: Kymenlaakso Central Hospital, Unit of Ophthalmology, Kotka, Finland. DESIGN: Prospective case series. METHODS: Patients with type 1 or type 2 diabetes having routine cataract surgery were evaluated. Spectral-domain optical coherence tomography imaging was performed before surgery and 1 month postoperatively. RESULTS: The study comprised 93 patients (95 eyes). The central retinal thickness increase was 9.7 MUm +/- 1.7 (SEM) in diabetic patients with no retinopathy, 22.7 +/- 8.6 MUm in those who had nonproliferative retinopathy, and 73.8 +/- 37.4 MUm in those who had proliferative retinopathy (P < .001). The central retinal thickness increase was greater in the eyes of diabetic patients with insulin dependence than in eyes of patients using noninsulin medication (21.9 +/- 5.9 MUm versus 8.3 +/- 1.8 MUm, P = .017). Serum hemoglobin A1c concentration and inversely, patient age, were associated with central retinal thickness increase, even after adjustment for confounding factors (r = 0.607, P < .001 and r = 0.417, P = .001, respectively). The central retinal thickness change was smaller in the eyes of patients who had a nonsteroidal antiinflammatory drug (NSAID) as their postoperative antiinflammatory medication than in eyes of patients who were not prescribed NSAID medication when retinopathy was analyzed as a covariant (8.2 +/- 3.6 MUm versus 13.6 +/- 2.9 MUm, P = .016). CONCLUSIONS: Young patient age and poor glycemic control were risk factors for postoperative central retinal thickness increase. This study showed it is necessary to identify, effectively treat, and follow-up with patients with diabetes who are at a greater risk for pseudophakic CME. PMID- 29223226 TI - Clinical implication of triamcinolone in aqueous humor after depository sub-Tenon application. AB - PURPOSE: To determine the triamcinolone concentration in the aqueous humor after anterior sub-Tenon injection versus posterior sub-Tenon injection and the possible association between the levels of triamcinolone in the aqueous and the elevation in intraocular pressure (IOP). SETTING: University teaching hospitals at Wenzhou and Shanghai, China. DESIGN: Prospective case series. METHODS: The aqueous humor was sampled and triamcinolone quantitated after anterior sub-Tenon injection or posterior sub-Tenon injection in a cohort of patients and in experimental rabbits. Patients' IOPs were measured before and up to 3 months after triamcinolone acetonide injection. RESULTS: The study comprised 46 patients and 18 rabbits. The mean aqueous humor triamcinolone concentration in rabbit eyes and human eyes was significantly higher after an anterior sub-Tenon injection than that after a posterior sub-Tenon injection (rabbit eye: anterior sub-Tenon injection, 2.67 ng/mL +/- 0.78 [SD] and posterior sub-Tenon injection 1.38 +/- 0.48 ng/mL; human eye: 133.8 +/- 149.2 ng/mL and 10.2 +/- 10.9 ng/mL, respectively) (both P < .0001). After anterior sub-Tenon injection, the mean triamcinolone concentration in the aqueous humor was significantly higher in human eyes than in rabbit eyes (133.8 +/- 149.2 ng/mL versus 11.0 +/- 8.1 ng/mL) (P = .0003). The levels of triamcinolone in the human aqueous humor had a significant positive association with the elevation in IOP (beta = 0.12, P = .026). CONCLUSIONS: The triamcinolone level in aqueous humor was associated with IOP elevation after sub-Tenon application. Posterior sub-Tenon injection with a small injection volume of concentrated suspension offered a better targeted delivery and might significantly reduce steroid-associated IOP elevation. PMID- 29223227 TI - Cataract surgery and environmental sustainability: Waste and lifecycle assessment of phacoemulsification at a private healthcare facility. AB - PURPOSE: To measure the waste generation and lifecycle environmental emissions from cataract surgery via phacoemulsification in a recognized resource-efficient setting. SETTING: Two tertiary care centers of the Aravind Eye Care System in southern India. DESIGN: Observational case series. METHODS: Manual waste audits, purchasing data, and interviews with Aravind staff were used in a hybrid environmental lifecycle assessment framework to quantify the environmental emissions associated with cataract surgery. Kilograms of solid waste generated and midpoint emissions in a variety of impact categories (eg, kilograms of carbon dioxide equivalents). RESULTS: Aravind generates 250 grams of waste per phacoemulsification and nearly 6 kilograms of carbon dioxide-equivalents in greenhouse gases. This is approximately 5% of the United Kingdom's phaco carbon footprint with comparable outcomes. A majority of Aravind's lifecycle environmental emissions occur in the sterilization process of reusable instruments because their surgical system uses largely reusable instruments and materials. Electricity use in the operating room and the Central Sterile Services Department (CSSD) accounts for 10% to 25% of most environmental emissions. CONCLUSIONS: Surgical systems in most developed countries and, in particular their use of materials, are unsustainable. Results show that ophthalmologists and other medical specialists can reduce material use and emissions in medical procedures using the system described here. PMID- 29223228 TI - Endophthalmitis after cataract surgery: Effect of behind-the-lens washout. AB - PURPOSE: To analyze the outcomes of cataract surgery with emphasis on the relationship between surgery-related factors and the incidence of postoperative infectious endophthalmitis. SETTING: Ninety-three surgical sites in Japan. DESIGN: Prospective case series. METHODS: Eyes that were scheduled to have cataract surgery from January 20 to September 30, 2014, were included. Phacoemulsification and implantation of a single-piece hydrophobic acrylic foldable intraocular lens (IOL) were performed. Patients were followed for 2 months. RESULTS: Of the 9720 eyes enrolled, 9100 (93.6%) completed a 2-month follow-up. Three cases (0.033%) developed infectious endophthalmitis (95% confidence interval [CI], 0.000-0.070). The incidence of endophthalmitis was significantly associated with the removal method of ophthalmic viscosurgical devices (OVDs) after IOL implantation. The incidences of endophthalmitis in cases with and without the behind-the-lens technique were 0% (0/6147; 95% CI, 0%) and 0.084% (3/3570; 95% CI, 0.000-0.179), respectively, with a significant difference between them (P = .050, Fisher exact test). The incidence of infectious endophthalmitis did not correlate with any other patient-related and surgery related factors. CONCLUSION: The behind-the-lens technique to wash and clear the capsular bag for OVD removal significantly reduced the incidence of infectious endophthalmitis. PMID- 29223229 TI - Comparison of a new Scheimpflug imaging combined with partial coherence interferometry biometer and a low-coherence reflectometry biometer. AB - PURPOSE: To evaluate the repeatability of a new biometer using Scheimpflug technology combined with partial coherence interferometry (PCI) (Pentacam AXL) and its agreement with a device based on optical low-coherence reflectometry (OLCR), the Allegro Biograph. SETTING: Oftalvist Centro Integral Ocular Jerez, Jerez de la Frontera, Spain. DESIGN: Evaluation of a diagnostic test. METHODS: The mean keratometry (K), central corneal thickness (CCT), anterior chamber depth (ACD), and axial length (AL) were measured with the 2 devices 3 times by the same examiner in 2 groups (patients with cataract and patients without cataract). The repeatability was determined using the within-subject standard deviation, test retest repeatability, coefficient of variation, and intraclass correlation coefficient. The correlation was evaluated with the Pearson coefficient and interchangeability with the Bland-Altman plot. RESULTS: Eighty eyes (40 eyes in each group) of 80 patients were analyzed. Significant differences were found between the Scheimpflug-PCI device and the OLCR device for mean K in the normal group (P < .001) and for CCT in the normal group (P < .05) and the cataract group (P < .001). There were no differences between devices in ACD and AL in either group. The repeatability between devices was similar. Although a significant correlation between devices was found for all measurements (all P < .001), wide limits of agreement were found in both groups for all biometric parameters. CONCLUSIONS: The Scheimpflug-PCI and OLCR devices showed excellent intravisit repeatability and high correlation for mean K, CCT, ACD, and AL in healthy and cataractous eyes. No differences were found in AL; however, the 2 devices might not be interchangeable. PMID- 29223230 TI - Depth of focus after implantation of spherical or aspheric intraocular lenses in hyperopic and emmetropic patients. AB - PURPOSE: To evaluate whether hyperopic patients with short axial length and high dioptric intraocular lens (IOL) power can achieve a higher depth of focus after implantation of a monofocal spherical or aspheric IOL than emmetropic patients. SETTING: Department of Ophthalmology, Medical University Graz, Graz, Austria. DESIGN: Prospective case series. METHODS: Patients presenting for cataract surgery were divided by calculated IOL power into a hyperopic (>=22.0 diopters [D]) or emmetropic (18.0 to 21.5 D) groups and received an aspheric (Tecnis ZA9003) or a spherical IOL (Sensar AR40e). Postoperative measurements included corrected (CDVA) and uncorrected (UDVA) distance visual acuities, distance corrected intermediate (DCIVA) and near (DCNVA) visual acuities, root-mean-square values of corneal and total eye higher-order aberrations and spherical aberrations, and photopic and mesopic contrast sensitivity. RESULTS: Sixty-two eyes of 62 patients were enrolled in this study, 34 eyes (15 hyperopic, 19 emmetropic) in the aspheric IOL group and 28 eyes (14 hyperopic, 14 emmetropic) in the spherical IOL group. The UDVA, CDVA, and contrast sensitivity did not differ significantly between the 2 IOL groups, whereas the DCIVA and DCNVA were significantly better in the spherical IOL group (P = .004 and P = .001, respectively). No significant differences were found in DCIVA and DCNVA between hyperopic patients and emmetropic patients with aspheric or spherical IOLs. CONCLUSIONS: Implantation of a monofocal spherical IOL resulted in an increased depth of focus without significant degradation of distance visual acuity or contrast sensitivity. There were no differences in the depth of focus between hyperopic eyes and emmetropic eyes. PMID- 29223231 TI - Pupil influence on the quality of vision in rotationally asymmetric multifocal IOLs with surface-embedded near segment. AB - PURPOSE: To evaluate the influences of preoperative pupil parameters on the visual outcomes of the SBL-3, a rotationally asymmetric multifocal intraocular lens (IOL) with a surface-embedded near segment. SETTING: Cathedral Eye Clinic, Belfast, Northern Ireland, United Kingdom. DESIGN: Retrospective comparative case series. METHODS: Postoperatively, patients divided into 4 groups according to their pupil size as follows: Group A: 2.50 to 2.99 mm, Group B: 3.00 to 3.50 mm, Group C: 3.51 to 4.00 mm, and Group D: 4.01 to 4.50 mm. The uncorrected distance (UDVA), intermediate (UIVA), and near (UNVA) visual acuities, IOL centration and tilt, and quality of vision (QoV) questionnaires were compared between the 4 groups for 18 months postoperatively. RESULTS: The study comprised 90 patients (180 eyes). The mean preoperative pupil (photopic and mesopic) diameter was 4.3 mm +/- 0.3 (SD) and 5.6 +/- 1.4 mm, respectively, which decreased to 3.8 +/- 0.7 mm and 4.9 +/- 1.2 mm, respectively, at 18 months. Eighteen months postoperatively, both photopic and mesopic pupil groups had a statistically significant reduction in size from preoperative levels. No significant differences in UDVA, UIVA, and UNVA were found between the groups (P > .001). Significant differences in the QoV questionnaire day scores and night scores were found between the 4 groups (P < .001). CONCLUSIONS: The rotationally asymmetric multifocal IOL provided excellent optical performance during 18-months follow-up. The preoperative photopic pupil is an important parameter for consideration of this type of IOL because smaller pupils have a significant negative subjective impact on QoV. PMID- 29223232 TI - Morphologic features and surgically induced astigmatism of femtosecond laser versus manual clear corneal incisions. AB - PURPOSE: To compare the morphologic features and surgically induced astigmatism (SIA) between laser and manual clear corneal incisions (CCIs) after femtosecond laser-assisted cataract surgery. SETTING: Eye Center, 2nd Affiliated Hospital, Medical College of Zhejiang University, Hangzhou, China. DESIGN: Prospective case series. METHODS: Patients had femtosecond laser-assisted cataract surgery with a CCI created with the laser or manually after random allocation. The corrected distance visual acuity, corneal topography, and anterior segment optical coherence tomography were assessed at the 1-day, 1-week, 1-month, and 3-month follow-ups. RESULTS: The laser CCI group comprised 45 eyes and the manual CCI group, 48 eyes. The SIA was significantly lower in the manual CCI group than the laser CCI group at all visits (P < .05). At the 1-day and 1-week follow-ups, the mean CCI thickness was significantly smaller in the manual CCI group (P < .05). In the laser CCI group, the perpendicular linear distance between the external wound opening and the corneal vertex central line was statistically shorter than in the manual CCI group (P < .05). At 3 months, the SIA was correlated with the perpendicular linear distance with a Pearson correlation coefficient of -0.341 (P = .001). CONCLUSIONS: Femtosecond laser-created CCIs for cataract surgery caused more SIA than manually created CCIs, which could have resulted from inaccurate or uncertain corneal incision positioning of the femtosecond machine. Manual creation of CCIs is recommended in femtosecond laser-assisted cataract surgery until the locating system for the femtosecond laser incision is updated. PMID- 29223233 TI - Outcomes of retreatment after hyperopic laser in situ keratomileusis. AB - PURPOSE: To evaluate the efficacy, predictability, and safety of laser in situ keratomileusis (LASIK) retreatment in eyes with hyperopia. SETTING: Multicenter refractive surgery centers and University Hospital, Germany. DESIGN: Retrospective case series. METHODS: This multicenter study included hyperopic patients with a preoperative difference between cycloplegic and manifest refraction of 1.00 diopter (D) or less who had LASIK retreatment based on manifest refraction. The refractive outcome was analyzed according to standard graphs for reporting the efficacy, predictability, and safety of refractive surgery. RESULTS: One hundred thirteen eyes of 113 consecutive hyperopic patients were enrolled. Efficacy (P < .001) and safety (P = .004) were statistically significantly improved by retreatment without being negatively influenced by preoperative manifest spherical equivalent (SE), manifest cylinder, or keratometry. In cases still showing a trend toward undercorrection, retreatment resulted in 88 eyes (78.0%) being within +/-0.50 D of the attempted correction. The optical zone (OZ) diameter of the retreatment did not correlate with efficacy, predictability, or safety. CONCLUSIONS: Retreatment after hyperopic LASIK resulted in high efficacy, predictability, and safety outcomes. The efficacy and safety of the retreatment were not affected by preoperative manifest SE, manifest cylinder, keratometry, or OZ diameter. PMID- 29223234 TI - Corneal remodeling after implantation of a shape-changing inlay concurrent with myopic or hyperopic laser in situ keratomileusis. AB - PURPOSE: To compare the induced addition (add)-power profile and epithelial remodeling between patients receiving hyperopic and myopic laser in situ keratomileusis (LASIK) concurrently with implantation of a corneal shape-changing inlay. SETTING: Specialty clinics in Monterrey and Tijuana, Mexico. DESIGN: Retrospective case series. METHODS: Preoperative hyperopic patients (mean spherical equivalent [SE] treatment +1.71 diopters [D] +/- 0.51 [SD]) and myopic patients (mean SE treatment -2.48 +/- 1.33 D) had implantation of a Raindrop Near Vision Inlay in the nondominant eye immediately after the excimer laser ablation in both eyes under a corneal flap. Monocular and binocular visual acuities were recorded at 6 m. Wavefront measurement analysis yielded the mean inlay add-power profile, and optical coherence tomography images yielded the mean epithelial remodeling profile. RESULTS: In the inlay eye in the hyperopic group (n = 34) and myopic group (n = 29), the mean uncorrected near visual acuity exceeded 20/25 (85% 20/25 or better), the mean uncorrected distance visual acuity (UDVA) was 20/32 (62% 20/32 or better), and the mean binocular UDVA was 20/18 (100% 20/25 or better). The add-power profiles for the hyperopic and myopic groups were similar. The epithelial thinning profiles were also the same, thinning centrally by approximately 19 MUm, and were uncorrelated with the treated refractive error. CONCLUSIONS: After concurrent LASIK and inlay implantation, the visual acuity, induced add-power profile, and epithelial remodeling were the same, regardless of hyperopic or myopic treatment. PMID- 29223235 TI - Determining total corneal power after small-incision lenticule extraction in myopic eyes. AB - PURPOSE: To evaluate the methods to correct corneal power after myopic small incision lenticule extraction (SMILE) and to estimate the preoperative corneal power based on postoperative values. SETTING: Tianjin Eye Hospital, Tianjin, China. DESIGN: Retrospective case series. METHODS: Equivalent keratometry (K) and mean K readings were obtained with the Pentacam HR. The clinical history method was used to calculate the theoretical postoperative K, which was then compared with equivalent K readings. In addition, the anterior-posterior (A-P) method was used to estimate the preoperative mean K. The agreement between computed and actual values was estimated using the Bland-Altman method. RESULTS: A significant correlation was observed between the theoretical postoperative K (38.52 diopters [D] +/- 1.57 [SD]) and mean K after surgery (39.44 +/- 1.43 D) (R2 = 0.9317, P < .001). The mean equivalent K readings at 4.0 mm, 4.5 mm, and 5.0 mm were not significantly different from the theoretical postoperative K values (P = .620, P = .514, and P = .622, respectively). Bland-Altman plots showed a high level of agreement when comparing the theoretical postoperative K with the clinical history K (-0.94 to +0.9 D, -0.83 to +0.88 D, and -0.84 to +0.88 D, respectively). In addition, the estimated preoperative mean K (43.28 +/- 1.31 D) derived by the A-P method was comparable to the measured mean K (P = .111). CONCLUSIONS: Equivalent K readings provided a relatively good estimation of corneal power in eyes after small-incision lenticule extraction. The A-P method might be an option to predict preoperative corneal power. PMID- 29223237 TI - Effect of chamber stabilization software on efficiency and chatter in a porcine lens model. AB - PURPOSE: To evaluate the effects of the use of programmable chamber stabilization software (Chamber Stabilization Environment) settings on efficiency and chatter in a porcine lens model. SETTING: John A. Moran Eye Center Laboratory, University of Utah, Salt Lake City, Utah, USA. DESIGN: Experimental study. METHODS: Porcine eyes were dissected and the lenses extracted. The lenses were then hardened and processed for the experiment. Phacoemulsification of the lens fragments was performed with the Whitestar Signature Pro with the Whitestar handpiece and a 0.9 mm straight Dewey tip with a 30-degree bevel. All arms of the study were run in peristaltic mode with 50 mL/minute aspiration, 100 cm bottle height, and on 100% power. The chamber stabilization software setting was used for each of the 4 study arms with a maximum vacuum of 500 mm Hg. Arm 1 included 20 runs with the up time set to 2000 milliseconds. Arm 2 was performed with similar settings but with an up time of 0 millisecond. Arms 3 and 4 were run with up times of 1000 milliseconds and 500 milliseconds, respectively. RESULTS: The mean efficiency time of each run was as follows: 0 millisecond = 1.4 seconds, 500 milliseconds = 0.95 seconds, 1000 milliseconds = 0.88 seconds, 2000 milliseconds = 0.93 seconds. When compared with 0 millisecond, each of the other arms were significantly faster. Chatter events were comparable between the study arms. CONCLUSION: The chamber stabilization software does not decrease efficiency when compared with full vacuum on if at least 500 milliseconds of up time is maintained. PMID- 29223236 TI - Mechanical outcome of accelerated corneal crosslinking evaluated by Brillouin microscopy. AB - PURPOSE: To quantify corneal mechanical changes induced by corneal crosslinking (CXL) procedures of different ultraviolet-A (UVA) intensity and exposure time using Brillouin microscopy. SETTINGS: University of Maryland, College Park, Maryland, USA. DESIGN: Experimental study. METHODS: Porcine cornea samples were debrided of epithelia and soaked with riboflavin 0.1% solution. Samples were exposed to a standard 5.4 J/cm2 of UVA radiation with varying intensity and exposure time as follows: 3 mW/cm2 for 30.0 minutes, 9 mW/cm2 for 10.0 minutes, 34 mW/cm2 for 2.65 minutes, and 50 mW/cm2 for 1.80 minutes. Using Brillouin microscopy, the Brillouin modulus for each sample was computed as a function of radiation intensity/exposure time. For validation, the Young's modulus was found with the stress-strain test and compared at each irradiation condition. RESULTS: The standard 3 mW/cm2 irradiance condition produced a significantly larger increase in corneal Brillouin modulus than the 9 mW/cm2 (P <= .05), 34 mW/cm2 (P <= .01), and 50 mW/cm2 (P <= .01) conditions. Depth analysis showed similar anterior sections of the standard and 9 mW/cm2 conditions but significantly less stiffening in the central and posterior of the 9 mW/cm2 condition. The stiffening of the standard protocol was significantly larger in all sections of the 34 mW/cm2 and 50 mW/cm2 conditions (P <= .01). The overall change in Brillouin derived Brillouin modulus correlated with the increase in Young's modulus (R2 = 0.98). CONCLUSIONS: At a constant UVA light dose, accelerating the irradiation process decreased CXL stiffening. Brillouin analysis showed that accelerated protocols were especially ineffective in the deeper portions of the cornea. PMID- 29223238 TI - Pupillary block glaucoma secondary to central port occlusion following insertion of a phakic implantable copolymer lens. AB - A 28-year-old woman had uneventful implantation of a phakic intraocular lens (pIOL) in her left eye (Visian ICL, EVO+ model, 13.2, -7.50 diopters) to correct myopia. Six days after the procedure, she presented with herniation of the iris. Surgical reduction was carried out successfully through the previous peripheral corneal paracentesis. On the following day, the patient reported ocular pain and blurry vision. Examination showed a shallow anterior chamber, moderate diffuse corneal edema, and ocular hypertension. The central port of the pIOL was blocked by iris pigment. The condition resolved completely after surgical iridectomy, and the postoperative course was uneventful. To our knowledge, this is the first reported case of pupillary block after implantation of a pIOL with a central hole. This uncommon complication should be taken into consideration when the iris is manipulated excessively after pIOL insertion. PMID- 29223239 TI - Phacoemulsification with intraocular lens implantation after previous descemetorhexis without endothelial keratoplasty. AB - A 58-year-old woman with bilateral Fuchs endothelial corneal dystrophy presented with predominantly central guttata in the left eye causing visually significant stromal edema. A 4.0 mm descemetorhexis without endothelial keratoplasty was performed. At the 6-week follow-up, the central cornea had cleared completely and the central endothelial cell density (ECD) was 541 cells/mm2. The central corneal clearing remained stable for 2 years after the procedure; however, vision declined because of a visually significant cataract in the left eye. Uneventful phacoemulsification with intraocular lens implantation was performed with a target refraction of -0.50 diopters. At 1.5 months postoperatively, the uncorrected distance visual acuity was 20/20 with a manifest refraction of -0.25 0.25 * 60 and the central ECD was 2373 cells/mm2 (increased from 1471 cells/mm2 prior to phacoemulsification). Cataract surgery by phacoemulsification years after descemetorhexis without endothelial keratoplasty appears to be well tolerated, with good clinical and predictive refractive outcomes. PMID- 29223240 TI - Easy method for correcting misalignment of a toric phakic intraocular lens using vector analysis. PMID- 29223241 TI - November consultation #2. PMID- 29223242 TI - Decades-old windshield-glass perforating injury with limbal iris incarceration, zonular fiber defect, and equatorial lens capsule injury with capsule fibrosis and dense cataract: November consultation #1. PMID- 29223243 TI - November consultation #3. PMID- 29223244 TI - November consultation #4. PMID- 29223245 TI - November consultation #5. PMID- 29223246 TI - November consultation #6. PMID- 29223247 TI - November consultation #7. PMID- 29223248 TI - Editor's Comment. PMID- 29223249 TI - Population-based analysis of intraocular lens exchange and repositioning. PMID- 29223250 TI - Reply. PMID- 29223251 TI - Erratum. PMID- 29223252 TI - Erratum. PMID- 29223254 TI - Lessons from WINGS. PMID- 29223253 TI - Erratum. PMID- 29223255 TI - Bronchiectasis Management: The State of the Union. PMID- 29223256 TI - Prostacyclin Therapy for Pulmonary Arterial Hypertension Evolves Again With the Development of an Implantable Delivery System. PMID- 29223257 TI - Pulmonary Rehabilitation: The Lead Singer of COPD Therapy but Not a "One-Man Band". PMID- 29223258 TI - Fifty Years of Monocrotaline-Induced Pulmonary Hypertension: What Has It Meant to the Field? PMID- 29223259 TI - LESSONS. PMID- 29223260 TI - WATCHING OVER ME. PMID- 29223261 TI - Exploring the Art of Ciliary Beating: The Benefits of High-Speed Video Analysis. PMID- 29223262 TI - Response. PMID- 29223263 TI - Optimal Position for Intubation in the ICU: An Uneven Playing Field? PMID- 29223264 TI - Pleurodesis. PMID- 29223265 TI - Response. PMID- 29223266 TI - The Surgical Point of View About Persistent Air Leaks: Prevention First! PMID- 29223267 TI - Does the Time of Day a Pulmonary Embolism Response Team Is Activated Affect Time to Intervention or Outcome? PMID- 29223268 TI - Is Topographic Classification Effective for Lymph Node Metastasis in Patients Affected by Non-Small Cell Lung Cancer? PMID- 29223269 TI - Response. PMID- 29223270 TI - A 40-Year-Old Man With Cough, Shortness of Breath, and Suspected Pleural Effusion: "Catastrophe Averted". PMID- 29223271 TI - A Woman Admitted to the ED With Severe Acute Respiratory Failure. PMID- 29223272 TI - A 49-Year-Old Woman With Right Apical Thoracic Mass. AB - A 49-year-old woman with a medical history of essential hypertension presented to the ED with severe pain in the left superior chest and dull aching pain in the upper flank, lasting for the last 2 days. PMID- 29223273 TI - A 79-Year-Old Woman With Dyspnea and Hypoxemia That Worsened in an Upright Position. AB - CASE PRESENTATION: A 79-year-old woman presented to the ED with complaints of gradually worsening exertional dyspnea, dizziness, and chest discomfort. For several weeks she had not been able to perform light household work. The patient's medical history mentioned pulmonary embolism following immobilization (2012), several fractures after trauma, an ischemic cerebral vascular accident (2014), and curative treatment for breast cancer (1995). Her current medication included esomeprazole, clopidogrel, simvastatin, calcium/vitamin D, amitriptyline, and acetaminophen. PMID- 29223274 TI - A Woman in Her 60s With Lung Adenocarcinoma Presents With Copious Watery Sputum and Respiratory Failure. AB - CASE PRESENTATION: A woman in her 60s presented with 1 month of progressive dyspnea, watery rhinorrhea, and paroxysmal cough productive of clear, watery sputum. She was diagnosed with epidermal growth factor receptor (EGFR) mutation positive lung adenocarcinoma at another institution 1 week prior to presentation and 3 weeks after the onset of symptoms. She was a never-smoker. She denied fevers and had completed a course of antibiotics for presumed pneumonia, without clinical improvement. She presented to the hospital due to increasing severity of her shortness of breath. PMID- 29223275 TI - A 26-Year-Old Man From Mexico With Headaches, Dysuria, and a Right Scrotal Mass. AB - CASE PRESENTATION: A 26-year-old man with no medical history was admitted to the hospital for evaluation of his change in mental status. He was noted to be agitated at work and had difficulty walking for 2 days before being brought in to the ED by his family. According to his uncle, the patient had been complaining of a headache and pain with urination for approximately 1 week. He was born in Guerrero, Mexico (a small farm town), and moved to Los Angeles, California, in 2008. PMID- 29223276 TI - A 51-Year-Old Woman With an Increasing Chest Wall Mass Years After Resection of an Early Stage Lung Cancer. AB - CASE PRESENTATION: A 51-year-old woman was found to have a new 14 * 6 mm soft tissue mass under the right serratus muscle on a CT scan of the chest performed for routine surveillance due to her history of stage I lung cancer. A follow-up CT scan performed 4 months later showed that the mass had increased in size to 22 * 8 mm. The patient presents to the oncology clinic to discuss the results of the CT scan. She has no pain or swelling on the right lateral chest and no cough, fever, or shortness of breath. She is at her baseline health with good appetite and functional status. PMID- 29223277 TI - [Accuracy in the diagnosis of chronic obstructive pulmonary disease in primary care]. PMID- 29223278 TI - Identification of molecules from non-targeted analysis. PMID- 29223279 TI - Circadian and endocrine rhythms. PMID- 29223280 TI - Circadian and ultradian patterns of HPA-axis activity in rodents: Significance for brain functionality. AB - The hypothalamo-pituitary-adrenal (HPA) axis comprises interactions between the hypothalamus, the pituitary and the adrenal glands and its activation results in the release of corticosteroid hormones. Corticosteroids are secreted from the adrenal gland in a distinct 24-h circadian rhythm overarching an ultradian rhythm, which consists of hourly corticosteroid pulses exposing target tissues to rapidly changing steroid levels. On top of these rhythms surges can take place after stress. HPA-axis rhythms promote adaptation to predictable (i.e. the earth's rotation) and unpredictable (i.e. stressors) changes in environmental factors. Two steroid hormone receptors, the mineralocorticoid receptor (MR) and the glucocorticoid receptor (GR), are activated by corticosteroids and mediate effects at fast and slow timescales on e.g. glucose availability, gene transcription and synaptic plasticity. The current review discusses the origin of the circadian and ultradian corticosteroid rhythms and their relevance for gene regulation, neuroendocrine and physiological responses to stress and the involvement in the maintenance of brain functionality in rodents. PMID- 29223281 TI - Human studies on hypothalamo-pituitary-adrenal (HPA) axis. AB - The daily rhythm of the hypothalamo-pituitary-adrenal (HPA) axis is regulated by the central clock in the suprachiasmatic nucleus. Cortisol, a glucocorticoid, acts as a secondary messenger between the central clock and the peripheral tissues. Changes in clock time, as seen in shift workers, alters the HPA axis and results in metabolic disturbances associated with ill health. Depression, anorexia nervosa and obstructive sleep apnoea, are associated with cortisol rhythm phase shifts and increased cortisol exposure. Higher nocturnal cortisol exposure is observed in patients with Cushing's syndrome and adrenal incidentalomas with autonomous cortisol secretion and is associated with insulin resistance, and increased cardiovascular risk and mortality. A decrease in cortisol rhythm amplitude is seen in adrenal insufficiency, and despite replacement, patients have an impaired quality of life and increased mortality. Research on cortisol replacement has focused on replacing the cortisol daily rhythm by subcutaneous hydrocortisone infusions and oral modified release hydrocortisone formulations with the aim of improving disease control and quality of life. PMID- 29223282 TI - The hypothalamic-pituitary-thyroid axis and biological rhythms: The discovery of TSH's unexpected role using animal models. AB - Thyroid hormones (TH) are important for development, growth, and metabolism. It is also clear that the synthesis and secretion of TH are regulated by the hypothalamic-pituitary-thyroid (HPT) axis. Animal models have helped advance our understanding of the roles and regulatory mechanisms of TH. The animals' bodies develop through coordinated timing of cell division and differentiation. Studies of frog metamorphosis led to the discovery of TH and their role in development. However, to adapt to rhythmic environmental changes, animals also developed various endocrine rhythms. Studies of rodents clarified the neural and molecular mechanisms underlying the circadian regulation of the HPT axis. Moreover, birds have a sophisticated seasonal adaptation mechanism, and recent studies of quail revealed unexpected roles for thyroid-stimulating hormone (TSH) and TH in the seasonal regulation of reproduction. Interestingly, this mechanism is conserved in mammals. Thus, we review how animal studies have shaped our general understanding of the HPT axis in relation to biological rhythms. PMID- 29223283 TI - Regulatory aspects of the human hypothalamus-pituitary-thyroid axis. AB - Thyroid hormones are essential for growth, differentiation and metabolism during prenatal and postnatal life. The hypothalamus-pituitary-thyroid (HPT)-axis is optimized for these actions. Knowledge of this hormonal axis is derived from decades of experiments in animals and man, and more recently from spontaneous mutations in man and constructed mutations in mice. This review examines the HPT axis in relation to 24 h TSH profiles in men in various physiological and pathophysiological conditions, including obesity, age, longevity, and primary as well as central hypothyroidism. Hormone rhythms can be analyzed by quantitative methods, e.g. operator-independent deconvolution, approximate entropy and fitting the 24-h component by Cosinor analysis or related procedures. These approaches have identified some of the regulatory components in (patho)physiological conditions. PMID- 29223284 TI - Daily rhythms count for female fertility. AB - Female ovulation depends on a surge in circulating luteinizing hormone (LH) which occurs at the end of the resting period and requests high circulating estradiol. This fine tuning involves both an estradiol feedback as an indicator of oocyte maturation, and the master circadian clock of the suprachiasmatic nuclei as an indicator of the time of the day. This review describes the mechanisms through which daily time cues are conveyed to reproductive hypothalamic neurons to time the pre-ovulatory surge. In female rodents, neurotransmitters released by the suprachiasmatic nuclei activate the stimulatory kisspeptin neurons and reduce the inhibitory RFRP neurons precisely at the end of the afternoon of proestrus to allow a full surge in LH secretion. From these findings, the impact of circadian disruptions (during shift or night work) on female reproductive performance and fertility should now being investigated in both animal models and humans. PMID- 29223285 TI - Editorial overview: Seeds for a bioenergy future. PMID- 29223286 TI - Editorial overview: How to generate molecular diversity, the most important process in biology. PMID- 29223287 TI - Abdominal splenosis: Usefulness of 99mTc-phytate hepato-splenic scintigraphy in the differential diagnosis with tumor implantation. PMID- 29223288 TI - Prediction of Delayed Atrioventricular Block and Pacemaker Implantation After Transcatheter Aortic Valve Replacement With CoreValve. PMID- 29223289 TI - Frequency and Consequences of Right-Sided Heart Failure After Continuous-Flow Left Ventricular Assist Device Implantation. AB - Postoperative right-sided heart failure (RHF) is a common complication after continuous-flow left ventricular assist device implantation. Studies have examined RHF in the perioperative period, but few have assessed late-onset RHF. We analyzed the incidence of early and late RHF in patients with HeartMate II and HeartWare left ventricular assist devices and associated morbidity, mortality, and independent predictors of RHF. We retrospectively analyzed records of 526 patients with chronic heart failure who underwent continuous-flow left ventricular assist device implantation; 147 (27.9%) developed RHF (early RHF, n = 87, 16.5%; late RHF, n = 74, 14.4%). We examined demographics, postoperative complications, and long-term survival rate. Patients with RHF or late RHF had higher mortality (p <0.001) than those without RHF. Patients with RHF had a higher incidence of acute kidney injury (20.4% vs 11.9%, p = 0.01). Device type did not affect the incidence of early, late, or overall RHF. Patients with severe RHF requiring right ventricular assist device support had a low success of bridge to transplantation (11.1% vs 33.3%, p = 0.02). In Cox regression models, RHF was an independent predictor of mortality (hazard ratio = 1.69, 95% confidence interval = 1.28 to 2.22, p <0.001), but no predictive variables of RHF were identified. RHF was significantly associated with increased mortality and a higher incidence of postoperative acute kidney injury. RHF decreased the success rate of bridging patients to transplantation when a right ventricular assist device was required. PMID- 29223290 TI - Clinical research at territorial section meetings of the Spanish Academy of Dermatology and Venereology (AEDV). AB - INTRODUCTION: Clinical research is the study of patients with the aim of improving care. Our objectives were to calculate the percentage of presentations at territorial section meetings of the Spanish Academy of Dermatology and Venereology (AEDV) that described clinical research, to assess the level of evidence the research provided, and to analyze change in clinical research volume over time. MATERIAL AND METHODS: We reviewed supplements of the journal Actas Dermo-Sifiliograficas for 2000 through 2015 that contained abstracts of presentations given at the AEDV section meetings in Galicia; the area comprising Asturias, Cantabria, and Castile-Leon (ACCL); and Andalusia. We selected abstracts that met a previously validated definition of clinical research and categorized each according to level of evidence. We also analyzed how the weight of clinical research presentations changed over time. RESULTS: Of the total of 1,188 presentations, 29.6% met the criteria that defined clinical research. Most provided level-4 evidence (95.2%); 44.2% of those presentations reported cross sectional studies and 55.8% analyzed case series. Clinical research accounted for 26.6% of the presentations in Galicia (94.7% of them, level 4), 22.7% of those at the ACCL meeting (97.6%, level 4), and 37.2% of those in Andalusia (94.3%, level 4). The proportion of clinical research increased significantly over the years studied. CONCLUSIONS: Clinical research accounted for 29.6% of the communications presented at the meetings we reviewed. Most of these presentations concerned case series or cross-sectional studies. The prevalence of clinical research presentations differed between the 3 territories studied, but the levels of evidence were similar. The proportion of clinical research in the programs of these meetings has increased over time. PMID- 29223291 TI - Reply. PMID- 29223292 TI - Can we refine body mass estimations based on femoral head breadth? AB - Femoral head breadth is widely used in body mass estimation in biological anthropology. Earlier research has demonstrated that reduced major axis (RMA) equations perform better than least squares (LS) equations. Although a simple RMA equation to estimate body size from femoral head breadth is sufficient in most cases, our experiments with male skeletons from European data (including late Pleistocene and Holocene skeletal samples) and the Forensic Anthropology Data Bank data (including the W. M. Bass Donated Skeletal Collection sample) show that including femoral length or anatomically estimated stature in an equation with femoral head breadth improves body mass estimation precision. More specifically, although directional bias related to body mass is not reduced within specific samples, the total estimation error range, directional bias related to stature, and temporal fluctuation in estimation error are markedly reduced. The overall body mass estimation precision of individuals representing different temporal periods and ancestry groups (e.g., African and European ancestry) is thus improved. PMID- 29223293 TI - Gradient measurements of gaseous elemental mercury (Hg0) in the marine boundary layer of the northwest Sea of Japan (East Sea). AB - Gaseous elemental mercury (Hg0) is a prolific and persistent contaminant in the atmosphere. Atmospheric concentrations of Hg0 were determined from 17 September to 7 October 2015 in the northwest Sea of Japan aboard the Russian research vessel Professor Gagarinsky. Simultaneous measurements of Hg0 concentrations were performed 2 m and 20 m above the sea surface using automatic Hg0 analysers RA 915M and RA-915+, respectively. Concentrations ranged from 0.3 to 25.9 ng/m3 (n = 5207) and from 0.3 to 27.8 ng/m3 (n = 4415), with medians of 1.7 and 1.6 ng/m3, respectively. Elevated Hg0 was observed during three episodes from 19 to 22 September, likely caused by one or more of the following factors: 1) atmospheric transport of Hg0 from the west and south-west (from N. Korea, China, and the Yellow Sea region); 2) Hg0 emission from the sea due to pollution by water from the Tumannaya River; or 3) underwater geological activities. Increased Hg0 concentration was observed during periods when air masses flowed from the south, and low concentrations were observed when air masses came from the north. A daytime increase of Hg0 concentrations at a height of 2 m occurred simultaneously with decreasing Hg0 at a height of 20 m. These diurnal variations suggest that two contrasting processes occur during the daytime in the marine boundary layer (MBL): Hg0 emission from the sea surface and Hg0 oxidation in the MBL by active halogens formed by photolysis. PMID- 29223294 TI - Glucocorticoid hormone treatment enhances the cytokine production of regulatory T cells by upregulation of Foxp3 expression. AB - OBJECTIVE: Despite the fact that glucocorticoids (GC) are important therapeutic tools, their effects on regulatory T cells (Treg) are not well defined. The aim of our work was to investigate how GCs influence in vivo the thymic (tTreg) and peripheral Treg (pTreg) differentiation, survival and cytokine production. METHODS: Tregs were detected with flow cytometry in lymphatic organs of 4-6 weeks old BALB/c mice after repeated (2-4days), high-dose in vivo GC treatment using CD4/CD25 cell surface and Foxp3/IL-10/TGFbeta/glucocorticoid receptor (GR) intracellular staining. Cytokine, Foxp3, and GR mRNA levels of sorted CD4+CD25high T cells were analyzed using RT-PCR. Foxp3 and GR localization in Treg cells was investigated with confocal microscopy. RESULTS: GC treatment of mice resulted in increased relative tTreg frequency in the thymus, which was due to decreased total thymocyte numbers with unchanged absolute tTreg cell count. In contrast the relative pTreg cell ratio in secondary lymphatic organs decreased or showed no changes after GC treatment, while the absolute number of pTregs decreased. Elevated intracellular IL-10+ and TGFbeta+ tTreg and pTreg ratios were measured in GC-treated animals, accompanied with elevated Foxp3 mRNA expression. In addition, GC treatment caused increased TGFbeta and IL-35 mRNA expression in CD4+CD25high+ splenic and elevated IL-10 mRNA level in thymic tTregs. GR expression of thymic tTreg cells was lower than in pTregs. GC treatment caused an opposite change in GR levels, elevating GR in tTregs but decreasing it in pTregs. We observed a nuclear localization of GR in both tTregs and pTregs, which showed high colocalization (~60%) with Foxp3 transcription factor. These data suggest an interaction of these two transcription factors with further increase due to GC treatment in splenic pTregs. CONCLUSION: Our data show selective survival of tTregs and elevated production of immunosuppressive cytokines by Treg cells after GC treatment, which may contribute to the immunosuppressive effects of GCs. PMID- 29223295 TI - Could calcium channel blockers treat 2 illnesses with 1 pill? PMID- 29223296 TI - Baseline asthma burden, comorbidities, and biomarkers in omalizumab-treated patients in PROSPERO. PMID- 29223297 TI - Increasing our knowledge base of asthma. PMID- 29223299 TI - Burden of skin pain in atopic dermatitis. AB - BACKGROUND: Atopic dermatitis (AD) is associated with itch, skin inflammation and barrier disruption, and scratching, all of which may be associated with skin pain. OBJECTIVE: To characterize the patient burden of skin pain in AD. METHODS: We performed a prospective dermatology practice-based study using questionnaires and evaluation by a dermatologist. RESULTS: Overall, 305 patients (age range, 13 97 years) were included in the study, with 564 encounters. The cohort included 195 females (63.9%) and 193 whites (63.7%). The mean (SD) age at enrollment was 42.3 (18.1) years, and the mean (SD) age of patient-reported AD onset was 29.6 (31.9) years. At baseline, 144 patients (42.7%) reported skin pain in the past week, with 42 (13.8%) reporting severe or very severe pain. Twenty-four (16.8%) thought the skin pain was part of their itch, 16 (11.2%) from scratching, and 77 (72.0%) from both. Patients with skin pain were more likely to describe their itch using terms that resembled neuropathic pain. Prevalence of skin pain was increased in patients with vs without excoriations (72.6% vs 57.6%; chi2 test P = .02) but not other morphologic characteristics. Skin pain severity was most strongly correlated with the Patient-Oriented Eczema Measure (Spearman rho = 0.54), followed by ItchyQOL (rho = 0.52), 5-dimensions of itch scale (rho = 0.47), Dermatology Life Quality Index (rho = 0.45), numeric rating scale for itch (rho = 0.43) and sleep (rho = 0.36), Patient Health Questionnaire 9 (rho = 0.36), patient-reported global AD severity (rho = 0.34), Eczema Area and Severity Index (rho = 0.23), and objective Scoring AD index (rho = 0.20) (P < .001 for all). Patients with both severe itch and pain vs those with only one or neither symptom being severe had significant increases in all these measures. CONCLUSION: Skin pain is a common and burdensome symptom in AD. Skin pain severity should be assessed with itch severity in AD patients and may be an important end point for monitoring treatment response. PMID- 29223300 TI - Toxocara species exposure, symptoms of asthma, and fractional exhaled nitric oxide in the US population. PMID- 29223301 TI - Spectrum and prevalence of reactions to marijuana in a Colorado allergy practice. PMID- 29223298 TI - Innate lymphoid cells and allergic disease. PMID- 29223302 TI - Modeling the target dose fall-off in IMRT and VMAT planning techniques for cervical SBRT. AB - There has been growing interest in the use of stereotactic body radiotherapy (SBRT) technique for the treatment of cervical cancer. The purpose of this study was to characterize dose distributions as well as model the target dose fall-off for intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) delivery techniques using 6 and 10 MV photon beam energies. Fifteen (n = 15) patients with non-bulky cervical tumors were planned in Pinnacle3 with a Varian Novalis Tx (HD120 MLC) using 6 and 10 MV photons with the following techniques: (1) IMRT with 10 non-coplanar beams (2) dual, coplanar 358 degrees VMAT arcs (4 degrees spacing), and (3) triple, non-coplanar VMAT arcs. Treatment volumes and dose prescriptions were segmented according to University of Texas Southwestern (UTSW) Phase II study. All plans were normalized such that 98% of the planning target volume (PTV) received 28 Gy (4 fractions). For the PTV, the following metrics were evaluated: homogeneity index, conformity index, D2cc, Dmean, Dmax, and dose fall-off parameters. For the organs at risk (OARs), D2cc, D15cc, D0.01cc, V20, V40, V50, V60, and V80 were evaluated for the bladder, bowel, femoral heads, rectum, and sigmoid. Statistical differences were evaluated using a Friedman test with a significance level of 0.05. To model dose fall-off, expanding 2-mm-thick concentric rings were created around the PTV, and doses were recorded. Statistically significant differences (p < 0.05) were noted in the dose fall-off when using 10 MV and VMAT3-arc, as compared with IMRT. VMAT3-arc improved the bladder V40, V50, and V60, and the bowel V20 and V50. All fitted regressions had an R2 >= 0.98. For cervical SBRT plans, a VMAT3-arc approach offers a steeper dose fall-off outside of the target volume. Faster dose fall-off was observed in smaller targets as opposed to medium and large targets, denoting that OAR sparing is dependent on target size. These improvements are further pronounced with the use of 10-MV photons. PMID- 29223303 TI - Influence of body habitus on dose parameters of nodal levels III to IV irradiation for breast cancer: comparison of 3 techniques. AB - This study aimed to investigate the effect of body habitus on supraclavicular (SC) dose-volume histogram (DVH) parameters among breast cancer patients according to 3 different techniques. Three SC irradiation plans were generated for 24 postoperative breast cancer patients: (1) direct antero-posterior field only (1fieldP), with dose prescribed to a 3-cm depth; (2) 3-cm depth plan (3cmP) using an antero-posterior field plus a posterior boost with the dose prescription defined to 3 cm; and (3) optimized plan (OptP) similar to 3cmP, with dose prescribed depending on the anatomy. The OptP plans had the least variation in DVH parameters with body habitus; 3cmP plans were the most varied. Conformity index among normal weight patients were 0.73, 0.78, and 0.87 (p = 0.02) and 0.61, 0.6, and 0.82 among overweight-obese patients for 1fieldP, 3cmP, and OptP, respectively (p < 0.001). V95% of the planning target volume among normal weight patients were 72.63%, 78.03%, and 87.18% for 1fieldP, 3cmP, and OptP, respectively (p = 0.02). The corresponding values among overweight-obese patients were 60.5%, 59.62%, and 81.62%, respectively (p = 0.001). Fixed depth dose prescriptions caused greater SC under dose than plans optimized according to patient's anatomy. PMID- 29223304 TI - The relationship between perceived gender judgment and well-being among surgical residents. AB - BACKGROUND: Physician well-being is a significant problem. Here we explore whether one factor, a resident's concern for being judged by one's gender, influences well-being. METHODS: Over two years at one institution, we surveyed surgical residents on validated measures of well-being as well as the extent to which they felt they were judged because of their gender (gender judgment). We used correlations and linear regression to investigate the relationships between gender judgment and well-being. RESULTS: There were 193 unique respondents (87% response rate). Women had significantly more concerns about gender judgment than men (M = 2.39, SD = 0.73 vs. M = 1.46, SD = 0.62, t = -9.47, p < 0.00001). In regression analyses, gender judgment concerns were significantly associated with all three well-being outcomes (Bs -0.34, 0.50, and 0.39, respectively for well being, emotional exhaustion, and depersonalization, all p < 0.013). CONCLUSIONS: The degree to which residents, both male and female, are concerned about being judged for their gender is significantly associated with worse well-being. PMID- 29223305 TI - Usefulness of ultra-high resolution mapping for detecting epicardial atrial activation during mitral isthmus ablation. AB - We describe a patient with perimitral atrial flutter (PMF) following the atrial fibrillation ablation and the linear ablation at the mitral isthmus (MI). From both the activation and the voltage maps using ultra-high resolution mapping, we detected the epicardial connection through the coronary sinus (CS) within the entire reentrant circuit. Point ablation within the CS, not additional linear MI ablation from the endocardium terminates PMF, with a bidirectional block across the low voltage area at the MI. PMID- 29223306 TI - Diagnostic accuracy of multi-lead ECGs obtained using a pocket-sized bipolar handheld event recorder. AB - BACKGROUND: Handheld ECG event recorders are useful for rhythm monitoring but only record a single lead, which may limit interpretation. We sought to investigate if a multi-lead ECG may be reconstituted using this device, and aimed to evaluate diagnostic accuracy. METHODS: A commercially-available handheld bipolar ECG event recorder was used to reconstruct a 9-lead ECG (leads I, II and III, V1-6). Tracings were analyzed independently by a cardiologist and a fellow. RESULTS: A total of 52 patients were evaluated. Accuracy was excellent (85-98%) for identifying atrial fibrillation, atrioventricular block, bundle branch block and left ventricular hypertrophy, but lower (77-88%) for ST-segment changes and prolonged QTc. CONCLUSIONS: A 9-lead ECG can be reconstituted using a handheld single-lead ECG event recorder, and provides good diagnostic accuracy for common findings. PMID- 29223307 TI - Assessment of the innate immune response in the periparturient cow. AB - The transition period is the most critical phase in the life of high yielding dairy cows. Within a few weeks, cows are submitted to many challenges (physiological, nutritional, psychological, management) that require prompt and effective adaptive responses. The immune system is involved in this process, and many changes of the cow's immune system components have been observed around calving. Cows are considered to be immunosuppressed in late lactation, and available data suggest that the immune system is dysregulated around parturition. Significant attention has been focused on modification of cellular functions (e.g. the reduction of phagocytosis and diapedesis), but growing interest concerns the components of the innate immune system, which often exhibits increased responses such as susceptibility to inflammatory events and the related acute phase response (APR). Systemic inflammation plays a significant role in early lactation, affects many liver functions and has been associated with the impairment of cow performance (i.e. reduced feed intake, milk yield, fertility, welfare). The assessment of variations in immune-metabolic indices offers opportunities to predict the onset of the health troubles and to anticipate the proper therapies needed to guarantee health, good welfare and fertility in the following lactation. The frequency of diseases (metabolic and infectious) before calving is rare, but several clues suggest that various metabolic and immune variations can begin during the dry period. Interesting preliminary results encourage this perspective and possible candidates are suggested. PMID- 29223309 TI - Improving Quality of Life for Oral Cancer Patients. PMID- 29223308 TI - What we have lost: Mastitis resistance in Holstein Friesians and in a local cattle breed. AB - In Holstein Friesian dairy cows, selective pressure for increased milk production has led to a higher propensity to disease, including mastitis, when compared to less selected and lower producing dairy breeds. The biology underpinning the higher resistance to disease of such "local breeds" is not fully understood. With the aim of investigating the factors associated to this phenomenon, we applied a multidisciplinary approach to compare innate immune response patterns, metabolic parameters, milk protein profiles and the milk microbiota in Holstein Friesian and Rendena cows reared in the same farm and under the same management conditions. Quarter milk samples and blood plasma were collected from all cows at dry-off, 1day after calving, 7-10days after calving and 30days after calving. Quarter milk samples were subjected to bacteriological culture, characterization of the milk microbiota by 16S metagenomics, milk protein profiling by electrophoresis and densitometry, somatic cell counting, measurement of the inflammation marker cathelicidin and assessment of different innate immune related mediators such as lysozyme, CD45, IL-1beta, TNF-alpha, PTX3, IL-1R8. In parallel, the main inflammometabolic parameters were measured in blood plasma samples. Despite having relatively few animals (6 moderate-yielding Holstein Friesian and 4 low-yielding Rendena) some important differences were apparent. Holstein Friesian cows showed a more severe fat mobilization and systemic inflammatory response postpartum in comparison with Rendena cows, which had a greater postpartum muscle mass and an increased amino acid mobilization compared to Holstein Friesians. Upon bacteriological analysis, contagious bacteria such as Staphylococcus aureus and Streptococcus agalactiae were absent, but significant differences were seen in the general composition of the milk microbiota of the two breeds. Concerning the milk protein abundance profile, pronounced differences were seen in colostrum, with significantly higher amounts of immunoglobulins and other immune-related proteins in Rendena. Added to this, the expression of innate immune related genes such as PTX-3, IL-1beta, TNF-alpha, and KRT5 expression in milk epithelial and leukocyte cell components, respectively, was lower in Holstein Friesian colostrum compared with Rendena. In conclusion, several differences were observed in the two breeds, in spite of the same farming conditions. The observations reported in this work present numerous pointers to the factors that may provide autochthonous, more rustic breeds with a higher resistance to disease. PMID- 29223310 TI - Cystinuria: One Possible Reason for Kidney and Salivary Gland Lithiasis Relationship. AB - Salivary gland lithiasis affects 1 to 2% of adults. The submandibular glands are concerned in 87% of cases. An association between kidney and salivary lithiases, although often mentioned, has rarely been observed. We relate an exceptional case of parotid and submandibular cystine sialolithiasis with kidney cystine lithiasis in a patient with cystinuria. Cystine lithiasis occurs in 1% of kidney lithiasis cases. The purpose of this article is to discuss the arguments, diagnosis, and therapeutic attitude in front of salivary cystine lithiasis. The patient was a 56 year-old woman treated for cystinuria undergoing a consultation for parotid lithiases. We obtained a panoramic view and performed a cervicofacial computed tomography scan, sialo-magnetic resonance imaging, and sialendoscopy. We found multiple lithiases in the distal portions of the Stensen duct, and 2 days after sialendoscopy, the patient expelled small sialoliths. Salivary lithiasis in patients with cystinuria has the same biochemical composition as kidney lithiasis. A computed tomography scan is efficient in most cases, but sialo magnetic resonance imaging may be the only noninvasive method to diagnose small cystine salivary lithiases, such as those that can be seen in patients with cystinuria. Sialendoscopy is still an efficient diagnostic and therapeutic method for every type of salivary lithiasis. PMID- 29223311 TI - A Comparative Clinical Evaluation of the Buccal Fat Pad and Extended Nasolabial Flap in the Reconstruction of the Surgical Defect in Oral Submucous Fibrosis Patients. AB - PURPOSE: The aim of this study was to compare the efficacy of locally available nasolabial and buccal fat pad flaps for increasing postoperative mouth opening in the reconstruction of the defect created after fiberotomy in surgically treated cases of oral submucous fibrosis (OSMF). MATERIALS AND METHODS: Of 32 patients selected for the study, 21 patients underwent closure of the surgical defect using the buccal fat pad (group 1) and 11 patients underwent closure of the surgical defect using a nasolabial flap (group 2). Histologically proven cases of OSMF with a mouth opening no larger than 25 mm were included in the study. Patients in groups 1 and 2 were evaluated at regular intervals and mouth opening was documented preoperatively, intraoperatively, and at 3 and 6 months of follow up. The results were analyzed by paired and unpaired t tests. RESULTS: In groups 1 and 2, mouth opening differed substantially at all periods of follow-up from preoperative values. At 3-month follow-up, mean mouth opening increased to 32.41 mm in group 2 compared with 30.47 in group 1. No relevant difference was observed in mouth opening between groups 1 and 2 at the end of 6 months. The effective increase in mouth opening at the end of 6 months compared with the preoperative value was statistically different in group 2 (mean increase, 24.2 mm) compared with group 1 (mean increase, 19.2 mm). CONCLUSION: Nasolabial flaps are a good option for the coverage of surgically treated defects in OSMF compared with the buccal fat pad. PMID- 29223312 TI - Bioprinting for Neural Tissue Engineering. AB - Bioprinting is a method by which a cell-encapsulating bioink is patterned to create complex tissue architectures. Given the potential impact of this technology on neural research, we review the current state-of-the-art approaches for bioprinting neural tissues. While 2D neural cultures are ubiquitous for studying neural cells, 3D cultures can more accurately replicate the microenvironment of neural tissues. By bioprinting neuronal constructs, one can precisely control the microenvironment by specifically formulating the bioink for neural tissues, and by spatially patterning cell types and scaffold properties in three dimensions. We review a range of bioprinted neural tissue models and discuss how they can be used to observe how neurons behave, understand disease processes, develop new therapies and, ultimately, design replacement tissues. PMID- 29223313 TI - Society of Pediatric Nurses' Core Competencies for the Pediatric Nurse. PMID- 29223314 TI - Child Physical Abuse, Non-anemic Iron Deficiency and Behavior Problems. AB - PURPOSE: Child abuse is regarded as a life-course social determinant of health problems. However, little is known about the nutritional status of physically abused children and their cumulative effect on child behavior. The present study aimed to examine the non-anemic iron deficiency status of abused children and the combined effect of physical abuse and non-anemic iron deficiency on child behavior in China. METHODS: This cross-sectional study comprised 314 children aged 11-14 (12.30+/-0.57) years old from Jintan, China. Children self-reported their physical abuse experiences and behavior problems. Blood iron and hemoglobin concentrations were also measured. RESULTS: Thirty-eight percent of children reported physical abuse experience, 17.5% had non-anemic iron deficiency, and the two risk factors co-occurred in 8.0% children. Physically abused children were more likely to be affected by non-anemic iron deficiency than their non-abused counterparts. Children who had experienced both physical abuse and non-anemic iron deficiency reported more behavior problems than children with neither or either risk factors. CONCLUSIONS: Physically abused children are more likely to have non-anemic iron deficiency. Children with the presence of both physical abuse experience and non-anemic iron deficiency have more behavior problems. There is a need to prevent both child abuse and non-anemic iron deficiency simultaneously to maintain normal child behavior development. PMID- 29223315 TI - Metal free, full arch, fixed prosthesis for edentulous mandible rehabilitation on four implants. AB - PURPOSE: The goal of this work is to describe an implant-prosthetic protocol for rehabilitation of edentulous mandible, by using a fixed prosthesis made of fiber reinforced composite material (FRC). The protocol contemplates a minimal invasive surgery and ensures predictable and safe results, with good aesthetic and performance combined to cost savings. METHODS: FRC material is used to build the substructure of a prosthetic framework supported by four short implants (5mm long and 4mm wide). The prosthesis substructure is made of Trinia immersed in a matrix of epoxy resin (FRC). It is supplied in milling blocks (pre-cured) for the CAD/CAM (computer-aided design/computer-aided manufacturing) technique. Implants are placed in lower edentulous jaw in position of first molar and canine, each side. Four month after, a resin bar is build based on a stone model, denture teeth are placed and the occlusion is checked. The resin bar and the stone model with milled abutments are scanned and a FRC bar is achieved with the CAD/CAM technique. The teeth are mounted to the substructure trough denture resin. Temporary cementation of framework is achieved on the abutments connected to the implants. CONCLUSION: A protocol for a fixed mandibular implant-prosthetic rehabilitation is described. The protocol contemplates a minimal invasive surgery and ensures predictable and safe results, with good aesthetic and performance combined to cost savings. In addition, this technique allows performing basic surgery also in presence of atrophy. PMID- 29223316 TI - A case of human ocular dirofilariasis in a patient with multiple endocrine neoplasia in Northwest Spain. PMID- 29223317 TI - Sequential strategy for the LTBI screening of newly-arrived immigrants in vulnerable social situations. AB - INTRODUCTION: Some studies indicate high prevalences of latent tuberculosis infection (LTBI) in the immigrant population, which is relevant because 5-10% of cases will develop active tuberculosis. The objective of this study is to describe the results of a sequential strategy in the newly-arrived immigrant population for the diagnosis of LTBI using the tuberculin skin test (TST) and IGRAs. METHODS: A retrospective descriptive study was carried out with immigrants between 6 and 35years of age from shelters, referred to an international health unit between July 2013 and June 2016. The TST was performed and when it was >=5mm, IGRAs were conducted. LTBI was defined as an IGRA >=0.35IU/ml and normal chest X-ray. RESULTS: Of the 184 cases, 138 (75.0%) were men, 23.0 years of age. The most common geographical areas were: 63 (34.2%) from Asia, 42 (22.8%) from Eastern Europe and 41 (22.3%) from sub-Saharan Africa. The TST was >=10mm in 79 cases (42.9%). The prevalence of LTBI using the sequential strategy was 33/184 (17.9%). Cohen's Kappa index (between TST>=10mm and IGRAs) was 0.226. CONCLUSION: Basing LTBI screening on the TST alone could give rise to an overestimation. Some studies show that sequential screening would be the most cost-effective; this seems most evident in BCG-vaccinated populations. PMID- 29223318 TI - A 7-year-old boy with preseptal cellulitis of torpid evolution. PMID- 29223319 TI - Tuberculosis in immunosuppressed patients. AB - Tuberculosis (TB) is one of the most significant infections in immunosuppressed patients due to its high frequency and high morbidity and mortality. TB is the leading cause of death among HIV-infected patients. The diagnosis and early treatment of latent tuberculosis infection is vital to preventing it progression to disease. Similarly, the early diagnosis of TB is key to improving the prognosis of patients and preventing its transmission. The clinical expression of TB in immunosuppressed patients is conditioned by the patient's degree of immunosuppression. It is important to keep this peculiarity in mind so as not to delay the diagnosis of suspected TB. TB treatment is basically the same in immunosuppressed patients as in the general population and any differences mainly derive from pharmacological interactions. We examined the diagnosis and treatment of TB and latent tuberculosis infection in immunosuppressed patients. PMID- 29223320 TI - Between-session and within-session intra-individual variability in attention in aphasia. AB - Persons with aphasia (PWA) have been found in many previous studies to exhibit impaired performance on attention processing tasks, even when these tasks do not contain linguistic stimuli. There is also some evidence that as individuals, PWA may show more intra-individual variability (i.e. time-based fluctuations) in attention than healthy controls. The current study systematically examines two types of intra-individual variability in attention in aphasia, between-session intra-individual variability (BS-IIV) and within-session intra-individual variability (WS-IIV), looking in particular at how task demands impact these dimensions of performance. We administered five novel attention tasks with varying processing demands, three non-linguistic and two linguistic, to 20 PWA and 20 similar-aged healthy controls. Results showed that PWA exhibited higher levels of WS-IIV than controls but that levels of BS-IIV were similar between the two groups. Increased task demands were found to result in increased BS-IIV and WS-IIV for both groups, and there was some evidence suggesting that the addition of language demands may further increase both WS-IIV and BS-IIV in the PWA group. In addition to these group differences, substantial inter-individual variability in WS-IIV and BS-IIV was observed within the PWA group. These findings have implications for better understanding attentional fluctuations in aphasia, as well as how it relates to language deficits in this population, and potentially for better understanding language treatment outcomes. PMID- 29223321 TI - Is there value in retrospective 90-day bundle payment models for shoulder arthroplasty procedures? AB - BACKGROUND: The Centers for Medicare & Medicaid Services Bundled Payments for Care Improvement (BPCI) initiative was implemented as part of the Affordable Care Act. We implemented a retrospective payment model 2 for a 90-day total shoulder arthroplasty (TSA) episode to assess the value of TSA BPCI at our private practice. METHODS: Expenditures and postacute event rates of 132 fee-for-service (FFS) patients who underwent a TSA operation between 2009 and 2012 were compared with 333 BPCI patients who had a TSA operation in 2015. The 90-day postacute events included an inpatient rehabilitation facility (IRF), skilled nursing facility (SNF), and home health (HH) admissions and readmissions. Expenditures were converted to 2016 dollars using the Consumer Price Index. Wilcoxon tests and multivariate generalized estimating equation were used to assess independent cost drivers. RESULTS: The median FFS expenditure was $21,157 (interquartile range, $16,894-$30,748) compared with $17,894 (interquartile range, $15,796-$20,894) for BPCI (P < .0001). The BPCI patients had significantly lower rates of SNF admissions (34% FFS vs. 16% BPCI; P < .001), IRF admissions (3% FFS vs. 0.6% BPCI; P = .05), HH utilization (49% FFS vs. 41% BPCI; P = .05), and readmissions (14% FFS vs. 7% BPCI; P = .01). After controlling for postacute events in the multivariate regression model, we found BPCI had a 4% decrease in expenditures (P = .08). All postacute events were independently associated with higher expenditures. CONCLUSIONS: Our private practice implemented cost-containment practices, including clinical guidelines, patient navigators, and a BPCI management team. IRF and SNF utilization and the 90-day readmission rate significantly decreased. As a result, we were able to control the postacute spending, which resulted in decreased costs of performing TSA surgery. PMID- 29223322 TI - Systemic administration of epothilone D improves functional recovery of walking after rat spinal cord contusion injury. AB - Central nervous system (CNS) injuries cause permanent impairments of sensorimotor functions as mature neurons fail to regenerate their severed axons. The poor intrinsic growth capacity of adult CNS neurons and the formation of an inhibitory lesion scar are key impediments to axon regeneration. Systemic administration of the microtubule stabilizing agent epothilone B promotes axon regeneration and recovery of motor function by activating the intrinsic axonal growth machinery and by reducing the inhibitory fibrotic lesion scar. Thus, epothilones hold clinical promise as potential therapeutics for spinal cord injury. Here we tested the efficacy of epothilone D, an epothilone B analog with a superior safety profile. By using liquid chromatography and mass spectrometry (LC/MS), we found adequate CNS penetration and distribution of epothilone D after systemic administration, confirming the suitability of the drug for non-invasive CNS treatment. Systemic administration of epothilone D reduced inhibitory fibrotic scarring, promoted regrowth of injured raphespinal fibers and improved walking function after mid-thoracic spinal cord contusion injury in adult rats. These results confirm that systemic administration of epothilones is a valuable therapeutic strategy for CNS regeneration and repair after injury and provides a further advance for potential clinical translation. PMID- 29223323 TI - Olanzapine, blonanserin, and aripiprazole associated with different frontostriatal reward system activation in patients with schizophrenia. PMID- 29223324 TI - Characterization of charged polymer self-assemblies by multidetector thermal field-flow fractionation in aqueous mobile phases. AB - Charged block copolymer self-assemblies, such as charged micelles, have attracted much attention as versatile drug delivery systems due to their readily tunable characteristics such as size and surface charge. However, current column-based analytical techniques are not suitable to fractionate and comprehensively characterize charged micelles in terms of size, molar mass, chemical composition and morphology. Multidetector thermal field-flow fractionation (ThFFF) is shown to be a unique characterization platform that can be used to characterize charged micelles in terms of size, molar mass, chemical composition and morphology in aqueous mobile phases with various ionic strengths and pH. This is demonstrated by the characterization of poly(methacrylic acid)-b-poly(methyl methacrylate) self-assemblies in high pH buffers as well as the characterization of cationic poly(2-vinyl pyridine)-b-polystyrene and poly(4-vinyl pyridine)-b-polystyrene self-assemblies in low pH buffers. Moreover, it is shown that ThFFF is capable of separating charged micelles according to the corona composition. These investigations prove convincingly that ThFFF is broadly applicable to the comprehensive characterization of amphiphilic self-assemblies even when aqueous mobile phases are used. PMID- 29223325 TI - Cochrane Qualitative and Implementation Methods Group guidance series-paper 4: methods for assessing evidence on intervention implementation. AB - OBJECTIVES: This article provides reviewers with guidance on methods for identifying and processing evidence to understand intervention implementation. STUDY DESIGN AND SETTING: Strategies, tools, and methods are applied to the systematic review process to illustrate how process and implementation can be addressed using quantitative, qualitative, and other sources of evidence (i.e., descriptive textual and nonempirical). RESULTS: Reviewers can take steps to navigate the heterogeneity and level of uncertainty present in the concepts, measures, and methods used to assess implementation. Activities can be undertaken in advance of a Cochrane quantitative review to develop program theory and logic models that situate implementation in the causal chain. Four search strategies are offered to retrieve process and implementation evidence. Recommendations are made for addressing rigor or risk of bias in process evaluation or implementation evidence. Strategies are recommended for locating and extracting data from primary studies. The basic logic is presented to assist reviewers to make initial review-level judgments about implementation failure and theory failure. CONCLUSION: Although strategies, tools, and methods can assist reviewers to address process and implementation using quantitative, qualitative, and other forms of evidence, few exemplar reviews exist. There is a need for further methodological development and trialing of proposed approaches. PMID- 29223326 TI - Effects of Perceived Discrimination and Trust on Breast Cancer Screening among Korean American Women. AB - OBJECTIVE: Korean American (KA) women continue to have lower breast cancer screening rates than other racial groups. Perceived discrimination and trust have been associated with breast cancer screening adherence, but little is known about the associations in KA women. METHODS: Surveys were completed by 196 KA women in the Chicago metropolitan area. Multiple and Firth logistic regression analyses were performed to identify factors (perceived discrimination, trust, acculturation, cultural beliefs, health care access) influencing breast cancer screening adherence (mammogram). In addition, SPSS macro PROCESS was used to examine the mediating role of trust between perceived discrimination and breast cancer screening adherence. RESULTS: Ninety-three percent of the women surveyed had health insurance and 54% reported having a mammogram in the past 2 years. Predictors of having a mammogram were knowing where to go for a mammogram, having a regular doctor or usual place for health care, greater trust in health care providers, and lower distrust in the health care system. Perceived discrimination had an indirect effect on breast cancer screening through trust. CONCLUSIONS: The breast cancer screening rate among KA women is low. Perceived discrimination in health care, trust in health care providers, and distrust in the health care system directly or indirectly influenced breast cancer screening adherence in KA women. Trust is a factor that can be strengthened with educational interventions. PMID- 29223327 TI - Restoration of motor function after operative reconstruction of the acutely transected spinal cord in the canine model. AB - BACKGROUND: Cephalosomatic anastomosis or what has been called a "head transplantation" requires full reconnection of the respective transected ends of the spinal cords. The GEMINI spinal cord fusion protocol has been developed for this reason. Here, we report the first randomized, controlled study of the GEMINI protocol in large animals. METHODS: We conducted a randomized, controlled study of a complete transection of the spinal cord at the level of T10 in dogs at Harbin Medical University, Harbin, China. These dogs were followed for up to 8 weeks postoperatively by assessments of recovery of motor function, somato sensory evoked potentials, and diffusion tensor imaging using magnetic resonance imaging. RESULTS: A total of 12 dogs were subjected to operative exposure of the dorsal aspect of the spinal cord after laminectomy and longitudinal durotomy followed by a very sharp, controlled, full-thickness, complete transection of the spinal cord at T10. The fusogen, polyethylene glycol, was applied topically to the site of the spinal cord transection in 7 of 12 dogs; 0.9% NaCl saline was applied to the site of transection in the remaining 5 control dogs. Dogs were selected randomly to receive polyethylene glycol or saline. All polyethylene glycol-treated dogs reacquired a substantial amount of motor function versus none in controls over these first 2 months as assessed on the 20-point (0-19), canine, Basso-Beattie-Bresnahan rating scale (P<.006). Somatosensory evoked potentials confirmed restoration of electrical conduction cranially across the site of spinal cord transection which improved over time. Diffusion tensor imaging, a magnetic resonance permutation that assesses the integrity of nerve fibers and cells, showed restitution of the transected spinal cord with polyethylene glycol treatment (at-injury level difference: P<.02). CONCLUSION: A sharply and fully transected spinal cord at the level of T10 can be reconstructed with restoration of many aspects of electrical continuity in large animals following the GEMINI spinal cord fusion protocol, with objective evidence of motor recovery and of electrical continuity across the site of transection, opening the way to the first cephalosomatic anastomosis. (Surgery 2017;160:XXX-XXX.). PMID- 29223328 TI - Shared decision-making during surgical consultation for gallstones at a safety net hospital. AB - BACKGROUND: Understanding patient perspectives regarding shared decision-making is crucial to providing informed, patient-centered care. Little is known about perceptions of vulnerable patients regarding shared decision-making during surgical consultation. The purpose of this study was to evaluate whether a validated tool reflects perceptions of shared decision-making accurately among patients seeking surgical consultation for gallstones at a safety-net hospital. METHODS: A mixed methods study was conducted in a sample of adult patients with gallstones evaluated at a safety-net surgery clinic between May to July 2016. Semi-structured interviews were conducted after their initial surgical consultation and analyzed for emerging themes. Patients were administered the Shared Decision-Making Questionnaire and Autonomy Preference Scale. Univariate analyses were performed to identify factors associated with shared decision making and to compare the results of the surveys to those of the interviews. RESULTS: The majority of patients (N = 30) were female (90%), Hispanic (80%), Spanish-speaking (70%), and middle-aged (45.7 +/- 16 years). The proportion of patients who perceived shared decision-making was greater in the Shared Decision Making Questionnaire versus the interviews (83% vs 27%, P < .01). Age, sex, race/ethnicity, primary language, diagnosis, Autonomy Preference Scale score, and decision for operation was not associated with shared decision-making. Contributory factors to this discordance include patient unfamiliarity with shared decision-making, deference to surgeon authority, lack of discussion about different treatments, and confusion between aligned versus shared decisions. CONCLUSION: Available questionnaires may overestimate shared decision-making in vulnerable patients suggesting the need for alternative or modifications to existing methods. Furthermore, such metrics should be assessed for correlation with patient-reported outcomes, such as satisfaction with decisions and health status. PMID- 29223329 TI - The impact of psychosis on brain anatomy in bipolar disorder: A structural MRI study. AB - BACKGROUND: Bipolar disorder (BD) is a major psychiatric illness characterized by heterogeneous symptoms including psychotic features. Up until now, neuroimaging studies investigating cerebral morphology in patients with BD have underestimated the potential impact of psychosis on brain anatomy in BD patients. In this regard, psychotic and non-psychotic BD may represent biologically different subtypes of the disorder, being possibly associated with specific cerebral features. METHODS: In the present study, magnetic resonance imaging (MRI) at 3T was used to identify the neuroanatomical correlates of psychosis in an International sample of BD patients. A large sample of structural MRI data from healthy subjects (HC) and BD patients was collected across two research centers. Voxel based morphometry was used to compare gray matter (GM) volume among psychotic and non-psychotic BD patients and HC. RESULTS: We found specific structural alterations in the two patient groups, more extended in the psychotic sample. Psychotic patients showed GM volume deficits in left frontal cortex compared to HC, and in right temporo-parietal cortex compared to both HC and non psychotic patients (p < 0.001, > 100 voxels). Psychotic patients also exhibited enhanced age-related GM volume deficits in a set of subcortical and cortical regions. LIMITATIONS: The integration of multiple datasets may have affected the results. CONCLUSIONS: Overall, our results confirm the importance of classifying BD based on psychosis. The knowledge of the neuronal bases of psychotic symptomatology in BD can provide a more comprehensive picture of the determinants of BD, in the light of the continuum characteristic of major psychoses. PMID- 29223330 TI - Expression of a populus histone deacetylase gene 84KHDA903 in tobacco enhances drought tolerance. AB - Histone deacetylases (HDACs) play a key role in regulating plant growth, development and stress responses. However, functions of HDACs in woody plants are largely unknown. In this study, a novel gene encoding a RPD3/HDA1-type histone deacetylase was cloned from 84K poplar (Populus alba*Populus glandulosa) and designated as 84KHDA903. The 84KHDA903 encodes a protein composed of 500 amino acid residues, which contains a conserved HDAC domain. Transient expression of 84KHDA903 in onion epidermal cells suggested that it was exclusively localized in nucleus. The 84KHDA903 exhibited different expression patterns under drought, salt and ABA treatments. The expression of 84KHDA903 was responsive to drought and ABA but not to salt. To understand the function of 84KHDA903 in stress responses, the 84KHDA903 gene was transformed into tobacco. The expression of 84KHDA903 in tobacco increased the tolerance of transgenic seeds to mannitol but not to salt. In adult stage, the 84KHDA903-expressing tobacco exhibited drought tolerance and showed strong capacity to recover after drought. During the recovery period, the stress-responsive genes including NtDREB4, NtDREB3 and NtLEA5 were induced to be highly expressed in the 84KHDA903 transgenic plants in contrast to wild-type plants. Taken together, for the first time, we reported a RPD3/HDA1-type histone deacetylase from poplar, 84KHDA903, which acted as a positive regulator in drought stress responses. PMID- 29223331 TI - The NOS-like protein from the microalgae Ostreococcus tauri is a genuine and ultrafast NO-producing enzyme. AB - The exponential increase of genomes' sequencing has revealed the presence of NO Synthases (NOS) throughout the tree of life, uncovering an extraordinary diversity of genetic structure and biological functions. Although NO has been shown to be a crucial mediator in plant physiology, NOS sequences seem present solely in green algae genomes, with a first identification in the picoplankton species Ostreococcus tauri. There is no rationale so far to account for the presence of NOS in this early-diverging branch of the green lineage and its absence in land plants. To address the biological function of algae NOS, we cloned, expressed and characterized the NOS oxygenase domain from Ostreococcus tauri (OtNOSoxy). We launched a phylogenetic and structural analysis of algae NOS, and achieved a 3D model of OtNOSoxy by homology modeling. We used a combination of various spectroscopies to characterize the structural and electronic fingerprints of some OtNOSoxy reaction intermediates. The analysis of OtNOSoxy catalytic activity and kinetic efficiency was achieved by stoichiometric stopped-flow. Our results highlight the conserved and particular features of OtNOSoxy structure that might explain its ultrafast NO-producing capacity. This integrative Structure-Catalysis-Function approach could be extended to the whole NOS superfamily and used for predicting potential biological activity for any new NOS. PMID- 29223332 TI - A wheat MYB transcriptional repressor TaMyb1D regulates phenylpropanoid metabolism and enhances tolerance to drought and oxidative stresses in transgenic tobacco plants. AB - MYB transcription factors are involved in the regulation of plant development and response to biotic and abiotic stress. In this study, TaMyb1D, a novel subgroup 4 gene of the R2R3-MYB subfamily, was cloned from wheat (Triticum aestivum L.). TaMyb1D was localized in the nucleus and functioned as a transcriptional repressor. The overexpression of TaMyb1D in tobacco (Nicotiana tabacum) plants repressed the expression of genes related to phenylpropanoid metabolism and down regulated the accumulation of lignin in stems and flavonoids in leaves. These changes affected plant development under normal conditions. The expression of TaMyb1D was ubiquitous and up-regulated by PEG6000 and H2O2 treatments in wheat. TaMyb1D-overexpressing transgenic tobacco plants exhibited higher relative water content and lower water loss rate during drought stress, as well as higher chlorophyll content in leaves during oxidative stress. The transgenic plants showed a lower leakage of ions as well as reduced malondialdehyde and H2O2 levels during conditions of drought and oxidative stresses. In addition, TaMyb1D up regulated the expression levels of ROS- and stress-related genes in response to drought stress. Therefore, the overexpression of TaMyb1D enhanced tolerance to drought and oxidative stresses in tobacco plants. Our study demonstrates that TaMyb1D functions as a negative regulator of phenylpropanoid metabolism and a positive regulator of plant tolerance to drought and oxidative stresses. PMID- 29223333 TI - Constitutive expression of Brassica juncea annexin, AnnBj2 confers salt tolerance and glucose and ABA insensitivity in mustard transgenic plants. AB - Annexins belong to a plasma membrane binding (in a calcium dependent manner), multi-gene family of proteins, which play ameliorating roles in biotic and abiotic stresses. The expression of annexin AnnBj2 of Indian mustard is tissue specific with higher expression in roots and under treatments with sodium chloride and abscisic acid (ABA) at seedling stage. The effect of constitutive expression of AnnBj2 in mustard was analyzed in detail. AnnBj2 OE (over expression) plants exhibited insensitivity to ABA, glucose and sodium chloride. The insensitivity/tolerance of the transgenic plants was associated with enhanced total chlorophylls, relative water content, proline, calcium and potassium with reduced thiobarbituric acid reactive substances and sodium ion accumulation. The altered ABA insensitivity of AnnBj2 OE lines is linked to downregulation of ABI4 and ABI5 transcription factors and upregulation of ABA catabolic gene CYP707A2. Furthermore, we found that overexpression of AnnBj2 upregulated the expression of ABA-dependent RAB18 and ABA-independent DREB2B stress marker genes suggesting that the tolerance phenotype exhibited by AnnBj2 OE lines is probably controlled by both ABA-dependent and -independent mechanisms. PMID- 29223334 TI - Expression of phytoglobin affects nitric oxide metabolism and energy state of barley plants exposed to anoxia. AB - Class 1 plant hemoglobins (phytoglobins) are upregulated during low-oxygen stress and participate in metabolism and cell signaling via modulation of the levels of nitric oxide (NO). We studied the effects of overexpression and knockdown of the class 1 phytoglobin gene in barley (Hordeum vulgare L.) under low-oxygen stress. The overexpression of phytoglobin reduced the amount of NO released, while knockdown significantly stimulated NO emission. It has previously been shown that NO inhibits aconitase activity, so decreased aconitase activity in knockdown plants acts as a biomarker for high internal NO levels. The overexpression of phytoglobin corresponded to higher ATP/ADP ratios, pyrophosphate levels and aconitase activity under anoxia, while knockdown of phytoglobin resulted in the increased level of protein nitrosylation, elevation of alcohol dehydrogenase and nitrosoglutathione reductase activities. The overexpressing plants showed various signs of stunted growth under normoxia, but were the only type to germinate and survive under hypoxia. The results show that overexpression of phytoglobin protects plant cells via NO scavenging and improves their low-oxygen stress survival. However, it may not be useful for cereal crop improvement since it comes with a significant interference with normoxic NO signalling pathways. PMID- 29223335 TI - Genome-wide identification of glycosyltransferases converting phloretin to phloridzin in Malus species. AB - Phloridzin (phloretin 2'-O-glucoside) is the most abundant phenolic compound in Malus species, accounting for up to 18% of the dry weight in leaves. Glycosylation of phloretin at the 2' position is the last and key step in phloridzin biosynthesis. It is catalyzed by a uridine diphosphate (UDP) glucose:phloretin 2'-O-glucosyltransferase (P2'GT), which directly determines the concentration of phloridzin. However, this process is poorly understood. We conducted a large-scale investigation of phloridzin accumulations in leaves from 64 Malus species and cultivars. To identify the responsible P2'GT, we performed a genome-wide analysis of the expression patterns of UDP-dependent glycosyltransferase genes (UGTs). Two candidates were screened preliminarily in Malus spp. cv. Adams (North American Begonia). Results from further qRT-PCR analyses of the genotypes showed a divergence in phloridzin production. Our assays of enzyme activity also suggested that MdUGT88F4 and MdUGT88F1 regulate the conversion of phloretin to phloridzin in Malus plants. Finally, when they were silenced in 'GL-3' ('Royal Gala'), the concentrations of phloridzin and phloretin (and trilobatin) were significantly reduced and increased, respectively. PMID- 29223336 TI - Association of candidate genes with heading date in a diverse Dactylis glomerata population. AB - Flowering occurs in response to cues from both temperature and photoperiod elicitors in cool-season, long-day forage grasses, and genes involved in sensing the elicitors and inducing downstream flowering responses have been associated with heading date and flowering time in perennial forage grasses as well as cereal grasses. In this study we test for association between orchardgrass (Dactylis glomerata L.) heading date and polymorphisms in the CONSTANS (DgCO1), FLOWERING TIME (DgFT1), a VRN1 like MADS-box (DgMADS), and PHOTOPERIOD (DgPPD1 like) containing genes. A diverse population of 150 genotypes was measured for heading date across three years, genotyped, and candidate genes sequenced. Although pairwise population kinship values were generally low, the genotypes fit into a two-group structure model. Linkage disequilibrium decayed rapidly, reaching r2 levels below 0.2 within the 500bp of each gene. SNPs significantly associated with heading date were detected in equal-dose and tetraploid dosage models. The DgCO1 gene had the most significant polymorphisms and those with the largest effects, while DgMADS had several significant polymorphisms in its first intron with smaller effects. These polymorphisms can be used for further validation, selection, and development of breeding lines of orchardgrass. PMID- 29223337 TI - An ERF transcription factor from Tamarix hispida, ThCRF1, can adjust osmotic potential and reactive oxygen species scavenging capability to improve salt tolerance. AB - Ethylene-Responsive Factors (ERFs) are plant-specific transcription factors (TFs) involved in multiple biological processes, especially in abiotic stress tolerance. However, the ERFs from woody halophytes that are involved in salt stress have been little studied. In the present investigation, we characterized a subfamily member of ERF TFs from Tamarix hispida, ThCRF1, which responds to salt stress. ThCRF1 is a nuclear protein that binds to the motifs including TTG, DRE and GCC-box. Transient transformation was performed to generate T. hispida overexpressing ThCRF1 and RNA interference (RNAi)-silenced ThCRF1 to analyze its function using gain- and loss-of-function methods. Overexpression of ThCRF1 in T. hispida significantly improved tolerance to salt-shock-induced stress; by contrast, RNAi-silence of ThCRF1 significantly decreased tolerance to salt-shock induced stress. Further experiments showed that ThCRF1 induces the expression of genes including those encoding pyrroline-5-carboxylate synthetase (P5CS), trehalose-6-phosphate synthase (TPS), trehalose-6-phosphate phosphatase (TPP), superoxide dismutase (SOD) and peroxidase (POD), which lead to enhanced proline and trehalose levels and increased SOD and POD activities. These results were further confirmed by studying transgenic Arabidopsis plants overexpressing ThCRF1. Therefore, the results suggested that ThCRF1 improves tolerance to salt shock-induced stress by enhancing trehalose and proline biosynthesis to adjust the osmotic potential, and by improving SOD and POD activities to increase reactive oxygen species scavenging capability. PMID- 29223338 TI - Molecular cloning and expression analysis of Aquaporin genes in pearl millet [Pennisetum glaucum (L) R. Br.] genotypes contrasting in their transpiration response to high vapour pressure deficits. AB - Pearl millet is a crop of the semi-arid tropics having high degree of genetic diversity and variable tolerance to drought stress. To investigate drought tolerance mechanism that possibly accounts for differences in drought tolerance, four recombinant inbred lines from a high resolution cross (HRC) were selected for variability in their transpiration rate (Tr) response to vapour pressure deficit (VPD) conditions. The differential Tr response of the genotypes to increased VPD conditions was used to classify the genotypes as sensitive or insensitive to high VPD. Aquaporin (AQP) genes PgPIP1;1, PgPIP1;2, PgPIP2;1, PgPIP2;3, PgPIP2;6, PgTIP1;1 and PgTIP2;2 were cloned. Phylogenetic analysis revealed that the cloned PgAQPs were evolutionarily closer to maize AQPs than to rice. PgAQP genes, including PgPIP1;1 and PgPIP2;6 in root tissue showed a significant expression pattern with higher expression in VPD-insensitive genotypes than VPD-sensitive genotypes under low VPD conditions (1.2kPa) i.e when there is no high evaporative demand from the atmosphere. PgAQP genes (PgPIP2;1 in leaf and root tissues; PgPIP1;2 and PgTIP2;2 in leaf and PgPIP2;6 in root) followed a diurnal rhythm in leaves and roots that have either higher or lower expression levels at different time intervals. Under high VPD conditions (4.21kPa), PgPIP2;3 showed higher transcript abundance in VPD-insensitive genotypes, and PgPIP2;1 in VPD-sensitive genotypes, while rest of the PgAQPs showed differential expression. Our current hypothesis is that these differences in the expression of AQP genes under different VPDs suggests a role of the AQPs in tuning the water transport pathways with variation between genotypes. PMID- 29223339 TI - MicroRNA396a-5p and -3p induce tomato disease susceptibility by suppressing target genes and upregulating salicylic acid. AB - Plants have evolved a variety of mechanisms to perceive and resist the assault of pathogens. The biotrophs, necrotrophs and hemibiotrophs are types of plant pathogens that activate diverse salicylic acid (SA) and jasmonic acid (JA) signaling pathways. In this study we showed that the expressions of miR396a-5p and -3p in Solanum lycopersicum (S. lycopersicum) were both down-regulated after infection by hemibiotroph Phytophthora infestans (P. infestans) and necrotroph Botrytis cinerea (B. cinerea) infection. Overexpression of miR396a-5p and -3p in transgenic tomato enhanced the susceptibility of S. lycopersicum to P. infestans and B. cinerea infection and the tendency to produce reactive oxygen species (ROS) under pathogen-related biotic stress. Additionally, miR396a regulated growth-regulating factor1 (GRF1), salicylic acid carboxyl methyltransferase (SAMT), glycosyl hydrolases (GH) and nucleotide-binding site-leucine-rich repeat (NBS-LRR) and down-regulated their levels. This ultimately led to inhibition of the expression of pathogenesis-related 1 (PR1), TGA transcription factors1 and 2 (TGA1 and TGA2) and JA-dependent proteinase inhibitors I and II (PI I and II), but enhanced the endogenous SA content and nonexpressor of pathogenesis-related genes 1 (NPR1) expression. Taken together, our results showed that negative regulation of target genes and their downstream genes expressions by miR396a-5p and -3p are critical for tomato abiotic stresses via affecting SA or JA signaling pathways. PMID- 29223340 TI - Silencing of histone deacetylase SlHDT3 delays fruit ripening and suppresses carotenoid accumulation in tomato. AB - The acetylation levels of histones on lysine residues are regulated by histone acetyltransferases and histone deacetylases, which play an important but understudied role in the control of gene expression in plants. There is an increasing research focus on histone deacetylation in crops, but to date, there is little information regarding tomato. With the aim of characterizing the tomato HD2 family of histone deacetylases, an RNA interference (RNAi) expression vector of SlHDT3 was constructed and transformed into tomato plants. The time of fruit ripening was delayed and the shelf life of the fruit was prolonged in SlHDT3 RNAi lines. The accumulation of carotenoid was decreased by altering of the carotenoid pathway flux. Ethylene content was also reduced and expression of ethylene biosynthetic genes (ACS2, ACS4 and ACO1, ACO3) and ripening-associated genes (RIN, E4, E8, PG, Pti4 and LOXB) was significantly down-regulated in SlHDT3 RNAi lines. The expression of genes involved in fruit cell wall metabolism (HEX, MAN, TBG4, XTH5 and XYL) was inhibited compared with wild type. These results indicate that SlHDT3 functions as a positive regulator of fruit ripening by affecting ethylene synthesis and carotenoid accumulation and that SlHDT3 lies upstream of SlMADS-RIN in the fruit ripening regulatory network. PMID- 29223341 TI - Genetic resistance against viruses in Phaseolus vulgaris L.: State of the art and future prospects. AB - Viruses are obligate parasites that replicate intracellularly in many living organisms, including plants. Consequently, no chemicals are available that target only the virus without impacting host cells or vector organisms. The use of natural resistant varieties appears as the most reliable control strategy and remains the best and cheapest option in managing virus diseases, especially in the current ecological context of preserving biodiversity and environment in which the use of phytosanitary products becomes limited. Common bean is a grain legume cultivated mainly in Africa and Central-South America. Virus diseases of common bean have been extensively studied both by breeders to identify natural resistance genes in existing germplasms and by pathologists to understand the molecular bases of plant-virus interactions. Here we present a critical review in which we synthesize previous and recent information concerning 1) main viruses causing diseases in common bean, 2) genetic resistance to viruses in common bean, 3) the different resistance phenotypes observed and more particularly the effect of temperature, 4) the molecular bases of resistance genes to viruses in common bean, and 5) future prospects using transgenic-engineered resistant lines. PMID- 29223342 TI - Enhanced resistance to rice blast and sheath blight in rice (oryza sativa L.) by expressing the oxalate decarboxylase protein Bacisubin from Bacillus subtilis. AB - Oxalate decarboxylase (OxDC), catalyzing the degradation of oxalic acid, is widely distributed in varieties of organisms. In this study, an oxalate decarboxylase gene from Bacillus subtilis strain BS-916, Bacisubin, was transformed into rice variety Nipponbare to generate transgenic rice with increased OxDC activity. Pathogenicity test revealed that the transgenic rice showed enhanced resistance to rice blast and sheath blight. Further RNA-seq analysis between Nipponbare WT (wild type) and transgenic rice identified 1764 DEGs (Differentially expressed genes) including 723 up-regulated unigenes and 1041 down-regulated unigenes. Five GO terms including single-organism process and oxidation-reduction process were significantly enriched in the up-regulated genes. Interestingly, five genes encoding glutaredoxin and one gene encoding MADS box were up- and down-regulated in the transgenic rice, respectively. Collectively, our study advances the understanding of OxDC in resistance to rice disease and its possible mechanisms. Our results also suggest that OxDC would be an effective antifungal protein preventing fungal infection in transgenic rice. PMID- 29223344 TI - Native vascular related NAC transcription factors are efficient regulator of multiple classes of secondary wall associated genes in banana. AB - Secondary-wall deposition in xylem vessel elements is regulated by vascular related NAC transcription factors (VNDs). We show that three banana VNDs (MusaVND1, MusaVND2 and MusaVND3) directly regulate multiple secondary-wall associated genes by binding to their 5'-upstream regulatory region. Transgenic banana harboring either PMusaVND1:GUS, PMusaVND2:GUS or PMusaVND3:GUS showed specific GUS staining in lignified tissues. MusaVND1, MusaVND2 and MusaVND3 encodes transcriptional-activators as its C-terminal region drive expression of reporter genes in vivo in yeast. Purified MusaVND1, MusaVND2 and MusaVND3 proteins in gel shift assay bind to 19-bp secondary-wall NAC binding element (SNBE) while it fails to bind mutated SNBE. Putative SNBE sites in the 5' upstream regulatory region of important secondary-wall associated genes related to programmed cell death (XCP1), cell-wall modification (IRX1/CesA8, IRX3/CesA7,IRX5/CesA4, IRX8, IRX10 and IRX12) and transcriptional regulation (MYB52, MYB48/59, MYB85, MYB58/72, MYB46, and MYB83) in banana was identified and mobility of these regulatory regions got retarded by MusaVND1, MusaVND2 and MusaVND3. Transcript level of these important secondary wall associated genes were elevated in transgenic banana overexpressing either MusaVND1, MusaVND2 or MusaVND3. Present study suggested promoters with prospective utilization in wall modification in banana (a potential biofuel crop) and suggest a complex transcriptional regulation of secondary wall deposition in plants. PMID- 29223343 TI - Biotic factors that induce the tomato Ve1 R-gene. AB - In tomato, Verticillium resistance is determined by the Ve gene locus encoding two leucine-rich repeat-receptor-like proteins (Ve1, Ve2). The resistance function usually is attributed to Ve1 alone, with two known alleles: Ve1, encoding a resistance protein, and ve1, with a premature stop codon encoding a truncated product. We have examined further Ve-gene expression in resistant and susceptible near-isolines of Verticillium-infected Craigella tomatoes, using both quantitative RT-PCR and an alternative RFLP assay. Ve1 is induced differentially in resistant and susceptible plants, while Ve2 is constitutively expressed throughout disease development. Contrary to their putative role in Verticillium resistance, these profiles were observed even with compatible Verticillium interactions, some bacterial pathogens, and transgenic tomato plants expressing the fungal Ave1 effector. This suggests broader roles in disease and/or stress. To determine the contribution of plant hormones, abscisic acid, methyl jasmonate, naphthaleneacetic acid or salicylic acid were infused independently via the tomato root and effects on Ve1 induction were confirmed using biosynthesis mutants. While all the hormones modulated Ve1-gene induction, abscisic acid and salicylic acid were not required while jasmonic acid appears to play a more direct role. PMID- 29223345 TI - Synergy between root hydrotropic response and root biomass in maize (Zea mays L.) enhances drought avoidance. AB - Roots of higher plants change their growth direction in response to moisture, avoiding drought and gaining maximum advantage for development. This response is termed hydrotropism. There have been few studies of root hydrotropism in grasses, particularly in maize. Our goal was to test whether an enhanced hydrotropic response of maize roots correlates with a better adaptation to drought and partial/lateral irrigation in field studies. We developed a laboratory bioassay for testing hydrotropic response in primary roots of 47 maize elite DTMA (Drought Tolerant Maize for Africa) hybrids. After phenotyping these hybrids in the laboratory, selected lines were tested in the field. Three robust and three weak hybrids were evaluated employing three irrigation procedures: normal irrigation, partial lateral irrigation and drought. Hybrids with a robust hydrotropic response showed growth and developmental patterns, under drought and partial lateral irrigation, that differed from weak hydrotropic responders. A correlation between root crown biomass and grain yield in hybrids with robust hydrotropic response was detected. Hybrids with robust hydrotropic response showed earlier female flowering whereas several root system traits, such as projected root area, median width, maximum width, skeleton width, skeleton nodes, average tip diameter, rooting depth skeleton, thinner aboveground crown roots, as well as stem diameter, were considerably higher than in weak hydrotropic responders in the three irrigation procedures utilized. These results demonstrate the benefit of intensive phenotyping of hydrotropism in primary roots since maize plants that display a robust hydrotropic response grew better under drought and partial lateral irrigation, indicating that a selection for robust hydrotropism might be a promising breeding strategy to improve drought avoidance in maize. PMID- 29223346 TI - [Combination of left atrial myxoma and retrocardiac liposarcoma with right atrial infiltration]. PMID- 29223347 TI - [A predictive bacterial infection score according to eosinophil level: An observational study]. AB - INTRODUCTION: Several studies have shown that eosinopenia less than 0.04g/L is a marker of bacterial infection in the presence of unexplained inflammatory syndrome. The aim of our study was to test this hypothesis and to propose a predictive score for bacterial infection (score CIBLE, C reactive protein, bacterial infections, levels of leucocytes and eosinophils). PATIENTS AND METHODS: This was a single-center observational study of patients admitted to an internal medicine department in the year 2015 and presenting with an inflammatory biological syndrome. Patients were divided into 2 groups: bacterial infections (group 1) and nonbacterial inflammatory diseases (group 2). RESULTS: One hundred and ninety patients were included: 92 men (48.4 %) and 98 women (51.6 %). Mean age was 73.5+/-18.2 years [19-104]. Group 1 consisted of 124 patients (65.2 %) and group 2 of 66 patients (34.8 %). ROC analysis confirmed a cut-off level for eosinophils count at 0.04g/L as discriminant to predict bacterial infection. In a multivariate analysis, the eosinophil/neutrophil ratio, a history of COPD, the C reactive protein concentration, patient age and initial temperature were the most significant variables. They were used to build the CIBLE score. For a score higher than or equal to 87, the probability of a bacterial infection is at least 70 %. CONCLUSION: The CIBLE score appears to be a relevant and inexpensive tool to establish a probability for bacterial infection. PMID- 29223348 TI - Distinctive binding properties of the negative allosteric modulator, [3H]SB269,652, at recombinant dopamine D3 receptors. AB - Recently, employing radioligand displacement and functional coupling studies, we demonstrated that SB269,652 (N-[(1r,4r)-4-[2-(7-cyano-1,2,3,4 tetrahydroisoquinolin-2-yl)ethyl]cyclohexyl]-1H-indole-2-carboxamide) interacts in an atypical manner with dopamine D3 receptor displaying a unique profile reminiscent of a negative allosteric ligand. Here, we characterized the binding of radiolabelled [3H]SB269,652 to human dopamine D3 receptor stably expressed in Chinese Hamster Ovary cells. Under saturating conditions, SB269,652 showed a KD value of ~ 1nM. Consistent with high selectivity for human dopamine D3 receptor, [3H]SB269,652 binding was undetectable in cells expressing human dopamine D1, D2L or D4 receptors and absent in synaptosomes from dopamine D3 receptor knockout vs. wild-type mice. In contrast to saturation binding experiments, the dissociation kinetics of [3H]SB269,652 from human dopamine D3 receptors initiated with an excess of unlabelled ligand were best fitted by a bi-exponential binding model. Supporting the kinetic data, competition experiments with haloperidol, S33084 (a dopamine D3 receptor antagonist) or dopamine, were best described by a two-site model. In co-transfection experiments binding of SB269,652 to dopamine D3 receptor was able to influence the functional coupling of dopamine D2 receptor, supporting the notion that SB269,652 is a negative allosteric modulator across receptor dimers. However, because SB269,652 decreases the rate of [3H]nemonapride dissociation, the present data suggest that SB269,652 behaves as a bitopic antagonist at unoccupied dopamine D3 receptor, binding simultaneously to both orthosteric and allosteric sites, and as a pure negative allosteric modulator when receptors are occupied and it can solely bind to the allosteric site. PMID- 29223349 TI - The Effect of Cerebellar Transcranial Direct Current Stimulation on A Throwing Task Depends on Individual Level of Task Performance. AB - The effect of cerebellar transcranial direct current stimulation (tDCS) on motor performance remains controversial. Some studies suggest that the effect of tDCS depends upon task-difficulty and individual level of task performance. Here, we investigated whether the effect of cerebellar tDCS on the motor performance depends upon the individual's level of performance. Twenty-four naive participants practiced dart throwing while receiving a 2-mA cerebellar tDCS for 20 min under three stimulus conditions (anodal-, cathodal-, and sham-tDCS) on separate days with a double-blind, counter-balanced cross-over design. Task performance was assessed by measuring the distance between the center of the bull's eye and the dart's position. Although task performance tended to improve throughout the practice under all stimulus conditions, improvement within a given day was not significant as compared to the first no-stimulus block. In addition, improvement did not differ among stimulation conditions. However, the magnitude of improvement was associated with an individual's level of task performance only under cathodal tDCS condition (p < 0.05). This resulted in a significant performance improvement only for the sub-group of participants with lower performance levels as compared to that with sham-tDCS (p < 0.05). These findings suggest that the facilitation effect of cerebellar cathodal tDCS on motor skill learning of complex whole-body movements depends on the level of an individual's task performance. Thus, cerebellar tDCS would facilitate learning of a complex motor skill task only in a subset of individuals. PMID- 29223350 TI - alpha6 and beta1 Integrin Heterodimer Mediates Schwann Cell Interactions with Axons and Facilitates Axonal Regeneration after Peripheral Nerve Injury. AB - Several isoforms of integrin subunits are expressed in Schwann cells and mediate Schwann cell interactions with axons. Here, we identify alpha6 and beta1 integrins as heterodimeric proteins expressed in Schwann cells and define their functions in axonal regeneration. alpha6 and beta1 integrins are induced in Schwann cells in the sciatic nerve after a crush injury, and the blocking of integrin activity by siRNA expression and by treatment with anti-integrin antibodies attenuates Schwann cell contact with cultured neurons and decreases neurite outgrowth. After nerve transection, the levels of alpha6 and beta1 integrins in the distal nerve stump are lower than those in the corresponding nerve area after a crush injury. Schwann cells prepared from the distal nerves 7 days after transection are less supportive of neurite outgrowth in co-cultured neurons than those prepared from the nerves 7 days after a crush injury. When the transected nerves are reconnected after a delay of 1 to 2 weeks, the induced levels of alpha6 and beta1 integrins in the reconnected distal nerves are significantly reduced compared to those in the nerves after a crush injury. These changes correlate with retarded axonal regeneration in animals that have experienced nerve transections and delayed coaptation, which implies an attenuated Schwann cell capacity to support axonal regeneration due to delayed Schwann cell contact with axons. The present data suggest that alpha6 and beta1 integrins induced in Schwann cells after nerve injury may play a role in mediating Schwann cell interactions with axons and promote axonal regeneration. PMID- 29223351 TI - CK2alpha promotes advanced glycation end products-induced expressions of fibronectin and intercellular adhesion molecule-1 via activating MRTF-A in glomerular mesangial cells. AB - Advanced glycation end products' (AGEs) modification of extracellular matrix proteins induces crosslinking, which results in thickening of the basement membrane and activating several intracellular signaling cascades, eventually promoting the pathological progression of diabetic nephropathy (DN). We have previously confirmed that casein kinase 2alpha (CK2alpha) activates the nuclear factor of kappaB (NF-kappaB) signaling pathway to enhance high glucose-induced expressions of fibronectin (FN) and intercellular adhesion molecule-1 (ICAM-1) in glomerular mesangial cells (GMCs). However, to date, the mechanism by which CK2alpha regulates diabetic renal fibrosis is not fully understood. In view of the regulation of inflammation and fibrosis by myocardin-related transcription factor A (MRTF-A), we are highly concerned whether CK2alpha promotes AGEs-induced expressions of FN and ICAM-1 in glomerular mesangial cells via activation of MRTF A, thus affecting the pathogenesis of DN. We found that CK2alpha and MRTF-A proteins were overexpressed in AGEs-induced diabetic kidneys. Inhibition of CK2alpha kinase activity or knockdown of CK2alpha protein expression suppressed the upregulation of FN and ICAM-1 expressions in GMCs induced by AGEs. MRTF-A knockdown compromised the expressions of FN and ICAM-1 in GMCs induced by AGEs. Moreover, inhibition of CK2alpha kinase activity or knockdown of CK2alpha protein expression restrained the protein expression and nuclear aggregation of MRTF-A. CK2alpha interacted with MRTF-A. Furthermore, knockdown of MRTF-A while overexpression of CK2alpha blocked the upregulation effect of CK2alpha on the protein expressions of FN and ICAM-1. These findings suggest that CK2alpha promotes diabetic renal fibrosis via activation of MRTF-A and upregulation of inflammatory genes. PMID- 29223353 TI - Editor's Choice - Late Open Surgical Conversion after Endovascular Abdominal Aortic Aneurysm Repair. AB - INTRODUCTION: Late open surgical conversion following endovascular aneurysm repair (EVAR) may occur more frequently after performing EVAR in anatomy outside the instructions for use (IFU). This study reviews predictors and outcomes of late open surgical conversion for failed EVAR. METHODS: This retrospective cohort study reviewed all EVARs performed at the Ottawa Hospital between January 1999 and May 2015. Open surgical conversions >1 month post EVAR were identified. Variables analysed included indication for conversion, pre-intervention AAA anatomy, endovascular device and configuration, operative technique, re interventions, complications, and death. RESULTS: Of 1060 consecutive EVARs performed, 16 required late open surgical conversion. Endografts implanted were Medtronic Talent (n = 8, 50.0%), Medtronic Endurant (n = 3, 18.8%), Cook Zenith (n = 4, 25.0%), and Terumo Anaconda (n = 1, 6.2%). Eleven grafts were bifurcated (68.8%), five were aorto-uni-iliac (31.2%). The median time to open surgical conversion was 3.1 (IQR 1.0-5.2) years. There was no significant difference in pre-EVAR rupture status (1.4% elective, 2.1% ruptured, p = .54). Indications for conversion included: Type 1 endoleak with sac expansion (n = 4, 25.0%), Type 2 endoleak with expansion (n = 2, 12.5%), migration (n = 3, 18.8%), sac expansion without endoleak (n = 2, 12.5%), graft infection (n = 3, 18.8%), rupture (n = 2, 12.5%). Nine patients (56.2%) underwent stent graft explantation with in situ surgical graft reconstruction, seven had endograft preserving open surgical intervention. The 30 day mortality was 18.8% (n = 3, all of whom having had endograft preservation). Ten patients (62.5%) suffered major in hospital complications. One patient (6.5%) required post-conversion major surgical re intervention. IFU adherence during initial EVAR was 43.8%, versus 79.0% (p < .01) among uncomplicated EVARs. CONCLUSIONS: Open surgical conversion following EVAR results in significant morbidity and mortality. IFU adherence of EVARs later requiring open surgical conversion is markedly low. More data are required to elucidate the impact of increasing liberalisation of EVAR outside of IFU. PMID- 29223354 TI - Double Banana Technique: A Fruity Solution for Treating Iliac Aneurysms After Aortic Surgery. PMID- 29223352 TI - ATP-binding cassette transporter-2 (ABCA2) as a therapeutic target. AB - The ATP binding cassette transporter ABCA2 is primarily an endolysosomal membrane protein that demonstrates pleiotropic functionalities, coalescing around the maintenance of homeostasis of sterols, sphingolipids and cholesterol. It is most highly expressed in brain tissue and ABCA2 knockout mice express neurological defects consistent with aberrant myelination. Increased expression of the transporter has been linked with resistance to cancer drugs, particularly those possessing a steroid backbone and gene expression (in concert with other genes involved in cholesterol metabolism) was found to be regulated by sterols. Moreover, in macrophages ABCA2 is influenced by sterols and has a role in regulating cholesterol sequestration, potentially important in cardiovascular disease. Accumulating data indicate the critical importance of ABCA2 in mediating movement of sphingolipids within cellular compartments and these have been implicated in various aspects of cholesterol trafficking. Perhaps because the functions of ABCA2 are linked with membrane building blocks, there are reports linking it with human pathologies, including, cholesterolemias and cardiovascular disease, Alzheimer's and cancer. The present review addresses whether there is now sufficient information to consider ABCA2 as a plausible therapeutic target. PMID- 29223355 TI - Multisession anodal transcranial direct current stimulation induces motor cortex plasticity enhancement and motor learning generalization in an aging population. AB - OBJECTIVES: The present aging study investigated the impact of a multisession anodal-tDCS protocol applied over the primary motor cortex (M1) during motor sequence learning on generalization of motor learning and plasticity-dependent measures of cortical excitability. METHODS: A total of 32 cognitively-intact aging participants performed five consecutive daily 20-min sessions of the serial reaction time task (SRTT) concomitant with either anodal (n = 16) or sham (n = 16) tDCS over M1. Before and after the intervention, all participants performed the Purdue Pegboard Test (PPT) and Transcranial Magnetic Stimulation (TMS) measures of cortical excitability were collected. RESULTS: Relative to sham, participants assigned to the anodal-tDCS intervention revealed significantly greater performance gains on both the trained SRTT and the untrained PPT as well as a greater disinhibition of long-interval cortical inhibition (LICI). Generalization effects of anodal-tDCS significantly correlated with LICI disinhibition. CONCLUSION: Anodal-tDCS facilitates motor learning generalisation in an aging population through intracortical disinhibition effects. SIGNIFICANCE: The current findings demonstrate the potential clinical utility of a multisession anodal-tDCS over M1 protocol as an adjuvant to motor training in alleviating age associated motor function decline. This study also reveals the pertinence of implementing brain stimulation techniques to modulate age-associated intracortical inhibition changes in order to facilitate motor function gains. PMID- 29223356 TI - Isolation of novel microsatellite markers and their application for genetic diversity and parentage analyses in sika deer. AB - Every part of the sika deer (Cervus nippon) body is valuable traditional Chinese medicine. And sika deer is the most important semi-domestic medicinal animal that is widely bred in Jilin province northeast of China. But few studies had been conducted to characterize the microsatellite markers derived from sika deer. We firstly used IlluminaHiSeqTM2500 sequencing technology obtained 125Mbp genomic data of sika deer. Using microsatellite identification tool (MISA), 22,479 microsatellites were identified. From these data, 100 potential primers were selected for further polymorphic validation, finally, 76 primer pairs were successfully amplified and 29 primer pairs were found to be obvious polymorphic in 8 different individuals. Using those polymorphic microsatellite markers, we analyzed the genetic diversity of Jilin sika deer population. The mean number of alleles of the 29 loci is 9.31 based on genotyping blood DNA from 96 Jilin sika deer; The mean expected heterozygosity and polymorphic information content (PIC) value of the 29 loci is 0.72 and 0.68 respectively, and among which 26 loci are highly polymorphic (PIC>0.50). According to the electrophoretic results and PIC value of these 29 loci, 10 loci with combined paternity exclusion probabilities>99.99% were selected to use in parentage verification for 16 sika deer. All the offspring of a family could be successfully assigned to their biological father. These microsatellite markers generated in this study could greatly facilitate future studies of molecular breeding in sika deer. PMID- 29223357 TI - Phylogenomic detection and functional prediction of genes potentially important for plant meiosis. AB - Meiosis is a specialized type of cell division necessary for sexual reproduction in eukaryotes. A better understanding of the cytological procedures of meiosis has been achieved by comprehensive cytogenetic studies in plants, while the genetic mechanisms regulating meiotic progression remain incompletely understood. The increasing accumulation of complete genome sequences and large-scale gene expression datasets has provided a powerful resource for phylogenomic inference and unsupervised identification of genes involved in plant meiosis. By integrating sequence homology and expression data, 164, 131, 124 and 162 genes potentially important for meiosis were identified in the genomes of Arabidopsis thaliana, Oryza sativa, Selaginella moellendorffii and Pogonatum aloides, respectively. The predicted genes were assigned to 45 meiotic GO terms, and their functions were related to different processes occurring during meiosis in various organisms. Most of the predicted meiotic genes underwent lineage-specific duplication events during plant evolution, with about 30% of the predicted genes retaining only a single copy in higher plant genomes. The results of this study provided clues to design experiments for better functional characterization of meiotic genes in plants, promoting the phylogenomic approach to the evolutionary dynamics of the plant meiotic machineries. PMID- 29223358 TI - Genome-wide mining of perfect microsatellites and tetranucleotide orthologous microsatellites estimates in six primate species. AB - Advancement in genome sequencing and in silico mining tools have provided new opportunities for comparative primate genomics of microsatellites. The SSRs (simple sequence repeats) numbers were not correlated with the genome size (Pearson, r=0.310, p=0.550), and were positively correlated with the total length of SSRs (Pearson, r=0.992, p=0.00). A total of 224,289 tetranucleotide orthologous microsatellites families and 367 single-copy orthologous SSRs loci were found in six primate species by homologous alignment. The inner mutation types of single-copy orthologous SSRs loci included the copy number variance, point mutation, and chromosomal translocation. The accumulated repeat times and average length of tetranucleotide orthologous microsatellites in Rhinopithecus roxellana, Papio anubis and Macaca mulatta were longer than Homo sapiens and Pan troglodytes, which showed the tetranucleotide orthologous SSRs loci had more repeat times and longer average length on the branches with earlier divergence time, one exception may be Microcebus murinus as a primitive monkey with a smallest morphology in Malagasy. Our conclusion indicated that single-copy tetranucleotide orthologous SSRs sequences accumulated individual mutation more slowly through time in H. sapiens and P. troglodytes than in R. roxellanae, P. anubis and M. mulatta. However, such divergence wouldn't arise uniformly in all branches of the primate tree. A comparison of genomic sequence assemblages would offer remarkable insights about comparisons and contrasts, and the evolutionary processes of the microsatellites involved in human and nonhuman primate species. PMID- 29223359 TI - In Niemann-Pick C1 mouse models, glial-only expression of the normal gene extends survival much further than do changes in genetic background or treatment with hydroxypropyl-beta-cyclodextrin. AB - The Npc1nmf164 allele of Npc1 provides a mouse model for Niemann-Pick disease type C1 (NPC1), a genetic disease known to have a widely variable phenotype. The transfer of the Npc1nmf164 mutation from the C57BL/6J inbred strain to the BALB/cJ inbred strain increased the mean lifespan from 117.8days to 153.1days, confirming that the severity of the NPC1 phenotype is strongly influenced by genetic background. The transfer of another Npc1 allele, Npc1nih, to this background also extended survival of the homozygotes indicating that the modifying effect of BALB/cJ is not limited to a single allele of Npc1. The increased longevity due to the BALB/cJ background did not map to a previously mapped modifier on chromosome 19, indicating the presence of additional genes impacting disease severity. The previously studied Glial Fibrillary Acidic Protein promoter-Npc1 cDNA transgene (GFAP-Npc1) which only expresses NPC1 in astrocytes further extended the lifespan of Npc1nmf164 homozygotes on a BALB/cJ background (up to 600days). Hydroxypropyl-beta-cyclodextrin (HPbetaCD) treatment, not previously tested in the Npc1nmf164 mutant, extended life in the Npc1nmf164 homozygotes but not the transgenic, Npc1nmf164 mice on the BALB/cJ background. In all cases, lack of weight gain and early cerebellar symptoms of loss of motor control were found. At termination, the one mouse sacrificed for histological studies showed severe, diffuse pulmonary alveolar proteinosis suggesting that pulmonary abnormalities in NPC1 mouse models are not unique to the Npc1nih allele. PMID- 29223360 TI - Impact of positive surgical margins on overall survival after partial nephrectomy A matched comparison based on the National Cancer Database. AB - INTRODUCTION: The impact of positive surgical margins (PSM) in partial nephrectomy (PN) has been a controversy. Previous studies on the relationship between PSM and overall survival (OS) were either underpowered or had highly dissimilar groups. We used the National Cancer Database with propensity score matching to determine the association between PSM and OS after PN. MATERIALS AND METHODS: We identified patients with T1/T2 N0M0 renal cancer treated with PN between 2004 and 2009, and divided them into 2 groups based on their margin status. We used propensity score matching to ensure similarities in age, comorbidity score (CCI), tumor size, histology, and grade between groups. Covariates were compared by chi2 test. Cox multiple regression was used to estimate the hazard ratios (HR) for all-cause mortality. OS between matched groups were compared by log-rank, Breslow and Tarone-Ware tests. RESULTS: After excluding those with missing data on margin or survival status, 20,762 patients were eligible for matching. Each matched group had 1,265 patients, similar in age, sex, race, CCI, tumor size, histology, and grade. There were 386 recorded all-cause mortalities over a median follow-up duration of 72.6 months. Cox multiple regression showed a higher risk of all-cause mortality among cases with PSM (HR: 1.393, P = 0.001). Old age, high CCI, and large tumors had higher risks, while papillary and chromophore histologic subtypes had lower risks. PSM was associated with significantly worse OS by log-rank, Breslow, and Tarone-Ware tests. CONCLUSION: PSM is associated with significantly worse OS after PN. PMID- 29223361 TI - Evidence Suggests Sphingosine 1-Phosphate Might Be Actively Generated, Degraded, and Transported to Extracellular Spaces With Increased S1P2 and S1P3 Expression in Colon Cancer. AB - BACKGROUND: A pivotal role of sphingosine 1-phosphate (S1P) in cancer has been suggested based on the ceramide-S1P rheostat theory that the intracellular balance between prosurvival S1P and proapoptotic ceramide determines cell fate. Upregulation of S1P-generating sphingosine kinases (SKs) and downregulation of S1P-degrading S1P lyase (SPL) might increase intracellular S1P levels to exert a prosurvival effect in cancer in general, such as colon cancer. However, we recently observed a distinct S1P metabolism in hepatocellular carcinoma tissues that increased SPL mRNA levels with reduced S1P levels. Thus, we investigated S1P metabolism in colon cancer. PATIENTS AND METHODS: We enrolled 26 consecutive colon cancer patients, who had undergone surgical treatment. RESULTS: Not only SK, but also SPL, mRNA levels were increased in colon cancer tissues compared with the adjacent nontumorous tissues. Furthermore, the mRNA levels of another S1P degrading enzyme, S1P phosphatase 1, S1P transporters, spinster homolog 2, adenosine triphosphate-binding cassette subfamily C member 1, and S1P receptors, S1P2 and S1P3 were also increased, but the S1P levels were not increased in the colon cancer tissues. The reduction of SPL expression by silencing led to reduced proliferation and invasion, and overexpression of SPL caused enhanced proliferation in colon cancer cell lines. CONCLUSION: In human colon cancer tissues, mRNA levels of S1P-generating and S1P-degrading enzymes, transporters from inside to outside the cells, and S1P receptors, S1P2 and S1P3 were elevated, suggesting active S1P metabolism and movement. This altered S1P metabolism might play a role in colon cancer pathophysiology. PMID- 29223362 TI - Autophagy Inhibition in Pancreatic Adenocarcinoma. AB - Although some progress has been made in recent years with the development of more effective chemotherapy regimens, new treatment approaches are needed to improve outcomes for patients with pancreatic adenocarcinoma. The cellular process of autophagy, a cell survival mechanism that allows cancer cells to survive the hazardous conditions of the tumor microenvironment and treatment, has emerged as a viable target in pancreatic cancer. We review the mechanism of autophagy, its role in pancreatic carcinogenesis, the preclinical and clinical evidence supporting targeting autophagy in patients with pancreatic adenocarcinoma, and areas of future investigation that hold promise for improving this treatment approach. PMID- 29223363 TI - Comprehensive determinants of growth trajectories and body composition in school children: A longitudinal cohort study. AB - OBJECTIVE: To fully explain the dynamic and comprehensive etiology of the trajectory associated with adiposity indices. METHODS: This study involved data of 5572 children, aged 6-11 years, as part of the Taiwan Children Health Study (TCHS). The present study introduced four distinct BMI trajectories, identified previously among children: persistently healthy weight; late-onset overweight or obesity; persistent overweight or obesity; and declining BMI class. Logistic regression was used to examine the effect of non-modifiable factors on BMI trajectory classes. Generalized estimating equations were used to examine the effect of dynamically modifiable factors on either BMI trajectory classes or adiposity indices. RESULTS: Compared with class 1 (persistently healthy weight), class 2 exhibited a significantly increased risk of weight gain and fat mass, affected by lower family incomes and poor-quality sleep. Class 3 had a higher risk of persistent obesity and abdominal obesity, affected by higher birthweight and sedentary lifestyle. Class 4 approached a healthy weight due to increased physical activity, which was associated with a decrease in body fat and central obesity. CONCLUSIONS: We found crucially non-modifiable and modifiable factors that could describe each high BMI growth pattern, and calculated their modifiable contributions to adiposity indices. Modifiable factors that focus on those crucially dynamic factors are recommended for preventing obese growth trajectories. PMID- 29223364 TI - Labial lesion in a Portuguese man returned from Brazil - The role of molecular diagnosis. PMID- 29223365 TI - Performance of spleen stiffness measurement in prediction of clinical significant portal hypertension: A meta-analysis. AB - AIM: Our purpose was to evaluate the correlation between spleen stiffness (SS) measured by ultrasound-based elastography and hepatic venous pressure gradient (HVPG) and assess the accuracy of SS in detecting clinical significant portal hypertension (CSPH) and severe portal hypertension. METHOD: Nine studies were included from thorough literature research and selection processes. A random model was used to analyze the correlation between HVPG and SS. We adopted the bivariate mixed effects model to assess the diagnostic performance. RESULTS: Regarding to correlation between SS and HVPG, the summary correlation coefficient was 0.72 (95% confidence interval [CI], 0.63-0.80). In detection of CSPH, the sensitivity, specificity, AUC and DOR were: 0.88 (0.70-0.96), 0.84 (0.72-0.92), 0.92 (0.89-0.94) and 38 (17-84) for CSPH, respectively; and 0.92 (0.82-0.96), 0.79 (0.72-0.85), 0.87 (0.84-0.90) and 41 (17-100) for severe portal hypertension, respectively. CONCLUSION: Correlation between SS and HVPG was good. Although SS showed good sensitivity and specificity, the different cut-off values and techniques among studies might limit the impact of our results on clinical practice. Therefore, more high-quality prospective studies are required to evaluate the role of SS in predicting portal hypertension. PMID- 29223366 TI - Therapeutic efficacy and safety of umbilical cord mesenchymal stem cell transplantation for liver cirrhosis in Chinese population: A meta-analysis. AB - BACKGROUND AND OBJECTIVE: Mesenchymal stem cells transfusion has been considered as a promising option for liver cirrhosis (LC). The aim of this study was to systematically evaluate the efficacy and safety of umbilical cord mesenchymal stem cells (UMSC) combined with traditional supportive therapy (TST) for the treatment of patients with LC. METHODS: Data was extracted from clinical trials published on Web of Science, PubMed, EMBASE, Cochrane Library, Wanfang and CNKI database. The evaluated outcome measurements included liver function, coagulation function, liver fibrosis indexes, clinical symptoms, quality of life (QOL) and adverse events. RESULTS: A total of 14 trials including 717 LC patients met our selection criteria were involved. The liver function of LC patients was significantly improved after combined therapy (UMSC plus TST), indicated by decreased total bilirubin, alanine aminotransferase and prothrombin time, and increased serum albumin, cholinesterase and prothrombin activity. The QOL of patients was also improved after UMSC therapy. Compared with TST alone, the combined therapy showed better treatment effect based on measurements of hyaluronic acid (OR=-143.20, CI=-181.58 to -104.82, P<0.00001), laminin (OR= 50.65, CI=-53.70 to -47.61, P<0.00001), type III procollagen (OR=-8.68, CI=-9.00 to -8.36, P<0.00001), type IV collagen (OR=-105.79, CI=-132.44 to -79.14, P<0.00001) and plasma prolidase (OR=-876.54, CI=-911.89 to -840.56, P<0.00001). Moreover, the patients' clinical symptoms including fatigue (4th, P=0.003; 8th, P=0.01), appetite (4th, P<0.0001; 8th, P=0.06), ascites (4th, P=0.03; 8th, P=0.17), and abdominal distension (4th, P=0.0008; 8th, P=0.64) were also improved in patients treated by combined therapy without adverse events observed. CONCLUSION: UMSC and TST combined therapy for LC patients improved their liver function, clinical symptoms and QOL without severe adverse events, therefore is safe and effective in LC therapy. PMID- 29223367 TI - Relationship Between Obesity and Survival in Patients Hospitalized for Hypertensive Emergency. PMID- 29223368 TI - Transport of polymer stabilized nano-scale zero-valent iron in porous media. AB - This study presents a set of laboratory-scale transport experiments and numerical simulations evaluating carboxymethyl cellulose (CMC) polymer stabilized nano scale zero-valent iron (nZVI) transport. The experiments, performed in a glass walled two-dimensional (2D) porous medium system, were conducted to identify the effects of water specific discharge and CMC concentration on nZVI transport and to produce data for model validation. The transport and movement of a tracer lissamine green B(r) (LGB) dye, CMC, and CMC-nZVI were evaluated through analysis of the breakthrough curves (BTCs) at the outlets, the time-lapsed images of the plume, and retained nZVI in the sandbox. The CMC mass recovery was >95% when injected alone and about 65% when the CMC-nZVI mixture was used. However, the mean residence time of CMC was significantly higher than that of LGB. Of significance for field implementation, viscous fingering was observed in water displacement of previously injected CMC and CMC-nZVI. The mass recovery of nZVI was lower (<50%) than CMC recovery due to attachment onto sand grain surfaces. Consecutive CMC-nZVI injections showed higher nZVI recovery in the second injection, a factor to be considered in field trials with successive CMC-nZVI injections. Transport of LGB, CMC, and nZVI were modeled using a flow and transport model considering LGB and CMC as solutes, and nZVI as a colloid, with variable solution viscosity due to changes in CMC concentrations. The simulation results matched the experimental observations and provided estimates of transport parameters, including attachment efficiency, that can be used to predict CMC stabilized nZVI transport in similar porous media, although the extent of viscous fingering may be underpredicted. The experimental and simulation results indicated that increasing specific discharge had a greater effect on decreasing CMC-nZVI attachment efficiency (corresponding to greater possible travel distances in the field) than increasing CMC concentration. PMID- 29223369 TI - A critical review of endpoints for non-cirrhotic NASH therapeutic trials. AB - Non-alcoholic steatohepatitis is a disease without a single, specific, diagnostic marker, hence multiple indicators are required to measure therapeutic efficacy. Moreover, drug candidates for non-alcoholic steatohepatitis target many distinct mechanisms that are believed to promote hepatic injury. Therefore, a wide range of endpoints must be reached, sequentially, as required by the drug development process. Some of these endpoints validate the mechanism of action, others are used to anticipate histological efficacy. Histological endpoints are still considered the best predictors of clinical outcome, but they can only be reliably tested in larger, late phase trials. Herein, we will review the rationale and clinical data supporting the use of specific endpoints at different stages of therapeutic trials. We will also discuss the validity and limitations of current phase IIb histological endpoints, particularly a one stage reduction in fibrosis, for their ability to predict progression to cirrhosis, which is the ultimate outcome measure in therapeutic trials. PMID- 29223370 TI - Four weeks of ledipasvir/sofosbuvir and ribavirin with or without pegylated interferon for chronic hepatitis C in non-cirrhotic people who inject drugs. A randomized trial. PMID- 29223371 TI - Planning and prioritizing direct-acting antivirals treatment for HCV patients in countries with limited resources: Lessons from the Egyptian experience. AB - BACKGROUND AND AIMS: The introduction of direct-acting antivirals for hepatitis C virus (HCV) in Egypt led to massive treatment uptake, with Egypt's national HCV treatment program becoming the largest in the world. The aim of this paper is to present the Egyptian experience in planning and prioritizing mass treatment for patients with HCV, highlighting the difficulties and limitations of the program, as a guide for other countries of similarly limited resources. METHODS: Baseline data of 337,042 patients, treated between October 2014 to March 2016 in specialized viral hepatitis treatment centers, were grouped into three equal time intervals of six months each. Patients were treated with different combinations of direct-acting antivirals, with or without ribavirin and pegylated interferon. Baseline data, percentage of patients with known outcome, and sustained virological response at week 12 (SVR12) were analyzed for the three cohorts. The outcomes of 94,258 patients treated in the subsequent two months are also included. RESULTS: For cohort-1, treatment was prioritized for patients with advanced fibrosis (F3-F4 fibrosis, liver stiffness >=9.5 kPa, or Fibrosis-4 >=3.25). Starting cohort-2, all stages of fibrosis were included (F0-F4). The prioritization strategy in the initial phase caused delays in enrollment and massive backlogs. Cohort-1 patients were significantly older, and more had advanced fibrosis compared to subsequent cohorts. The percentage of patients with known SVR12 results were low initially, and increased with each cohort, as several methods to capture patient results were adopted. Sofosbuvir-ribavirin therapy for 24 weeks had the lowest SVR12 rate (82.7%); while other therapies were associated with SVR12 rates between 94% and 98%. CONCLUSION: Prioritization based on fibrosis stage was not effective and enrollment increased greatly only after including all stages of fibrosis. The availability of generic drugs reduced costs, and helped massively increase uptake of the program. Post-treatment follow up was initially very low, and although this has increased, further improvement is still needed. LAY SUMMARY: We are presenting the largest national program for HCV treatment in the world. We clearly demonstrate that hepatitis C can be cured efficiently in large scale real-life programs. This is a clear statement that global HCV eradication is foreseeable, providing a model for other countries with limited resources and prevalent HCV. Moreover, the availability of generic products has influenced the success of this program. PMID- 29223373 TI - Adverse Prognostic Factors for Morbidity and Mortality During Peripheral Blood Stem Cell Mobilization in Patients with Light Chain Amyloidosis. AB - Patients with immunoglobulin light chain (AL) amyloidosis undergoing peripheral blood hematopoietic stem cell (PBSC) mobilization for autologous hematopoietic stem cell transplantation (auto-HCT) can experience significant morbidity and mortality. The purpose of this study was to characterize the adverse events and identify prognostic factors associated with the development of morbidity and mortality in patients with AL amyloidosis who had begun PBSC mobilization for auto-HCT. A retrospective study was performed in 101 consecutive patients with AL amyloidosis who underwent PBSC mobilization for auto-HCT between January 2006 and December 2013. A composite primary endpoint of morbidity and mortality during PBSC mobilization was used. Forty-one patients (41%) experienced at least 1 adverse event, including 4 deaths during PBSC mobilization. Adverse events included in this composite endpoint were cardiac events, thromboembolic events, bleeding events, unplanned hospitalization, weight gain >2% necessitating diuretic intervention, and death. Low serum albumin levels, elevated N-terminal pro-brain natriuretic peptide, and increased interventricular septal thickness were significantly associated with the composite primary endpoint (P = .024, .001, and .006, respectively). The median progression-free survival from the start of PBSC mobilization was 4.7 years, and the median overall survival was 6.5 years. In general, PBSC mobilization is associated with minimal complications, but patients with AL amyloidosis can experience more frequent and severe complications, such as volume overload and weight gain. Careful patient selection is warranted in patients with AL amyloidosis before proceeding to PBSC mobilization and auto-HCT. PMID- 29223374 TI - Cardiac Involvement in a Patient Cohort With Val30Met Mutation Transthyretin Amyloidosis. PMID- 29223372 TI - Diagnostic and Prognostic Plasma Biomarkers for Idiopathic Pneumonia Syndrome after Hematopoietic Cell Transplantation. AB - Idiopathic pneumonia syndrome (IPS) is a noninfectious pulmonary complication after hematopoietic cell transplantation (HCT) and is difficult to diagnose. In 41 patients with IPS, we evaluated 6 candidate proteins in plasma samples at day 7 post-HCT and at onset of IPS to identify potential diagnostic or prognostic biomarkers for IPS. Samples at similar times from 162 HCT recipients without documented infections and 37 HCT recipients with respiratory viral pneumonia served as controls. In multivariable models, a combination of Stimulation-2 (ST2; odds ratio [OR], 2.8; P < .001) and IL-6 (OR, 1.4; P = .025) was the best panel for distinguishing IPS at diagnosis from unaffected controls, whereas tumor necrosis factor receptor 1 (TNFR1; OR, 2.9; P = .002) was the best marker when comparing patients with IPS and viral pneumonia. The areas under the curve of the receiver operating characteristic (ROC) curves for discriminating between IPS and unaffected controls at day 7 post-HCT were .8 for ST2, .75 for IL-6, and .68 for TNFR1. Using estimated sensitivity and specificity values from cutoffs determined with the ROC analysis (cutoff level: ST2, 21 ng/mL; IL-6, 61 pg/mL; TNFR1, 3421 pg/mL), we calculated positive predictive values (PPV) for a range of estimated population prevalence values of IPS. Among the 3 markers, ST2 showed the highest PPV for IPS occurrence. Based on an assumed prevalence of 8%, a positive ST2 test increased likelihood of IPS to 50%. We conclude that a prospective validation study is warranted to determine whether a plasma biomarker panel can aid the noninvasive diagnosis and prognosis of IPS. PMID- 29223375 TI - Selection of the Best of 2017 in Heart Failure in Elderly Patients. PMID- 29223376 TI - Optical Coherence Tomography of Magnesium Bioresorbable Scaffold Restenosis. PMID- 29223377 TI - Analysis of Hospitalization Trends for Heart Failure in the Health Registries of Different Autonomous Communities. Response. PMID- 29223378 TI - Bioresorbable Vascular Scaffold Thrombosis: Clinical and Optical Coherence Tomography Findings. PMID- 29223379 TI - Pulmonary Valve Perforation and Stent Implantation in the Right Ventricle Outflow Tract Using a Hybrid Procedure as an Alternative to a Central Shunt. PMID- 29223380 TI - Large intramural hematoma and gastric ulcer after EMR of a small gastric polyp. PMID- 29223381 TI - A case of cecocolonic intussusception after endoscopic submucosal dissection of a cecal adenoma. PMID- 29223382 TI - Pharyngeal angina bullosa hemorrhagica due to EGD. PMID- 29223383 TI - Colon adenoma with 2 too-long stalks (with video). PMID- 29223384 TI - A case of hepatic Kaposi's sarcoma diagnosed by transgastric biopsy. PMID- 29223385 TI - Mucinous adenocarcinoma of unknown primary presenting with dysphagia. PMID- 29223386 TI - Extensive esophageal papillomatosis after chemoradiotherapy for squamous cell carcinoma. PMID- 29223387 TI - Tolerance levels of PLGA microspheres in the eyes. PMID- 29223388 TI - Transplantation in the Treatment of Primary Cutaneous Aggressive Epidermotropic Cytotoxic CD8-Positive T-Cell Lymphoma. AB - BACKGROUND: Primary cutaneous aggressive epidermotropic cytotoxic CD8 positive T cell lymphoma (CD8+ PCAETL) is a rare subtype of peripheral T-cell lymphoma with poor outcomes and without a standardized treatment strategy. Allogeneic hematopoietic stem cell transplantation (HSCT) has been suggested as a potential curative therapy. PATIENTS AND METHODS: We conducted a retrospective case series. We identified 8 patients with the diagnosis of CD8+ PCAETL, 4 of whom also underwent allogeneic HSCT. RESULTS: Eight patients were treated at our center with combination chemotherapy and several novel agents, including histone deacetylase inhibitors, brentuximab, and pralatrexate. Patients underwent a median of 8.5 treatments before HSCT. Six of the 8 patients examined, including all 4 who received an HSCT, were alive at their last follow-up. CONCLUSION: Allogeneic HSCT is a promising treatment modality for CD8+ PCAETL. Because of the aggressive nature of this disease and lack of sustained remission with currently available therapies, HSCT should be considered early in the course of treatment. Two novel agents, brentuximab and pralatrexate, showed significant activity against CD8+ PCAETL, and may be incorporated earlier in the treatment course. PMID- 29223389 TI - A Multi-Institutional Prospective Trial Confirms Noninvasive Blood Test Maintains Predictive Value in African American Men. AB - PURPOSE: The 4Kscore(r) test accurately detects aggressive prostate cancer and reduces unnecessary biopsies. However, its performance in African American men has been unknown. We assessed test performance in a cohort of men with a large African American representation. MATERIALS AND METHODS: Men referred for prostate biopsy at 8 Veterans Affairs medical centers were prospectively enrolled in the study. All men underwent phlebotomy for 4Kscore test assessment prior to prostate biopsy. The primary outcome was the detection of Grade Group 2 or higher cancer on biopsy. We assessed the discrimination, calibration and clinical usefulness of 4Kscore to predict Grade Group 2 or higher prostate cancer and compared it to a base model consisting of age, digital rectal examination and prostate specific antigen. Additionally, we compared test performance in African American and nonAfrican American men. RESULTS: Of the 366 enrolled men 205 (56%) were African American and 131 (36%) had Grade Group 2 or higher prostate cancer. The 4Kscore test showed better discrimination (AUC 0.81 vs 0.74, p <0.01) and higher clinical usefulness on decision curve analysis than the base model. Test prediction closely approximated the observed risk of Grade Group 2 or higher prostate cancer. There was no difference in test performance in African American and nonAfrican American men (0.80 vs 0.84, p = 0.32), The test outperformed the base model in each group. CONCLUSIONS: The 4Kscore test accurately predicts aggressive prostate cancer for biopsy decision making in African American and nonAfrican American men. PMID- 29223390 TI - Lymphatic Drainage from Renal Tumors In Vivo: A Prospective Sentinel Node Study Using SPECT/CT Imaging. AB - PURPOSE: Lymphatic drainage from renal tumors is unpredictable. In vivo drainage studies of primary lymphatic landing sites may reveal the variability and dynamics of lymphatic connections. The purpose of this study was to investigate the lymphatic drainage pattern of renal tumors in vivo with single photon emission/computerized tomography after intratumor radiotracer injection. MATERIALS AND METHODS: We performed a phase II, prospective, single arm study to investigate the distribution of sentinel nodes from renal tumors on single photon emission/computerized tomography. Patients with cT1-3 (less than 10 cm) cN0M0 renal tumors of any subtype were enrolled in analysis. After intratumor ultrasound guided injection of 0.4 ml 99mTc-nanocolloid we performed preoperative imaging of sentinel nodes with lymphoscintigraphy and single photon emission/computerized tomography. Sentinel and locoregional nonsentinel nodes were resected with a gamma probe combined with a mobile gamma camera. The primary study end point was the location of sentinel nodes outside the locoregional retroperitoneal templates on single photon emission/computerized tomography. Using a Simon minimax 2-stage design to detect a 25% extralocoregional retroperitoneal template location of sentinel nodes on imaging at alpha = 0.05 and 80% power at least 40 patients with sentinel node imaging on single photon emission/computerized tomography were needed. RESULTS: Of the 68 patients 40 underwent preoperative single photon emission/computerized tomography of sentinel nodes and were included in primary end point analysis. Lymphatic drainage outside the locoregional retroperitoneal templates was observed in 14 patients (35%). Eight patients (20%) had supradiaphragmatic sentinel nodes. CONCLUSIONS: Sentinel nodes from renal tumors were mainly located in the respective locoregional retroperitoneal templates. Simultaneous sentinel nodes were located outside the suggested lymph node dissection templates, including supradiaphragmatic sentinel nodes in more than a third of the patients. PMID- 29223391 TI - Effects of a hydroethanolic extract of Boophone disticha bulb on anxiety-related behaviour in naive BALB/c mice. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Boophone disticha is one of the most important medicinal bulbs of Southern Africa. Previous in vitro studies have shown that it's crude ethanolic extracts and some alkaloidal phytoconstituents possesses high affinity for the serotonin transporter protein (SERT) and serotonin receptor 1a (5HT1a) which are both implicated in the pathogenesis and treatment of anxiety disorders. However, there are no in vivo studies that validates the anxiolytic actions of the plant. AIM OF THE STUDY: This study was therefore set to determine the anxiolytic-like activity of an orally administered hydroethanolic extract of B. disticha bulbs in naive mice using the behavioural tests of anxiety. MATERIALS AND METHODS: Naive adult male BALB/c mice were randomly placed into five treatment groups (n=6-10): vehicle control (10ml/kg 0.9% NaCl), positive control (1mg/kg diazepam) and the hydroethanolic extract of B. disticha (10, 25 and 40mg/kg p.o.). Souk test, elevared plus maze and open field tests were used to evaluate the anxiolytic-like activity of the B. disticha extract. RESULTS: Diazepam-treated mice exhibited higher number of sector visits and line crossings in the ST, rearings in the OF and head dips in the EPM than the control (p<0.05). B. disticha extract treated groups expressed higher sector visits at 10mg/kg, and, unprotected head dips at 25mg/kg in the ST, as well as, open arm time entries at 10mg/kg dose, and unprotected head dips at all doses in the EPM than the control group (p<0.05). The 25mg/kg B. disticha dose group exhibited highest anxiolytic-like activity in both the ST and OF, while the 10mg/kg was most active in the EPM. CONCLUSION: The extract of B. disticha exerted good anxiolytic-like activity in both the ST and OF at medium dose (25mg/kg), while the low dose (10mg/kg) showed prominent anxiolytic-like activity in the EPM. PMID- 29223392 TI - Parkinson's disease-associated mutant LRRK2 phosphorylates Rab7L1 and modifies trans-Golgi morphology. AB - Mutations in leucine-rich repeat kinase 2 (LRRK2) are the major genetic cause of autosomal-dominantly inherited Parkinson's disease. LRRK2 is implicated in the regulation of intracellular trafficking, neurite outgrowth and PD risk in connection with Rab7L1, a putative interactor of LRRK2. Recently, a subset of Rab GTPases have been reported as substrates of LRRK2. Here we examine the kinase activity of LRRK2 on Rab7L1 in situ in cells. Phos-tag analyses and metabolic labeling assays revealed that LRRK2 readily phosphorylates Golgi-localized wild type Rab7L1 but not mutant forms that are distributed in the cytoplasm. In vitro assays demonstrated direct phosphorylation of Rab7L1 by LRRK2. Subsequent screening using Rab7L1 mutants harboring alanine-substitution for every single Ser/Thr residue revealed that Ser72 is a major phosphorylation site, which was confirmed by using a phospho-Ser72-specific antibody. Moreover, LRRK2 pathogenic Parkinson mutants altogether markedly enhanced the phosphorylation at Ser72. The modulation of Ser72 phosphorylation in Rab7L1 resulted in an alteration of the morphology and distribution of the trans-Golgi network. These data collectively support the involvement of Rab7L1 phosphorylation in the LRRK2-mediated cellular and pathogenetic mechanisms. PMID- 29223393 TI - Mersalyl prevents the Tl+-induced permeability transition pore opening in the inner membrane of Ca2+-loaded rat liver mitochondria. AB - It was earlier shown that the calcium load of rat liver mitochondria in medium containing TlNO3 and KNO3 resulted in the Tl+-induced mitochondrial permeability transition pore (MPTP) opening in the inner membrane. This opening was accompanied by an increase in swelling and membrane potential dissipation and a decrease in state 3, state 4, and 2,4-dinitrophenol-uncoupled respiration. This respiratory decrease was markedly leveled by mersalyl (MSL), the phosphate symporter (PiC) inhibitor which poorly stimulated the calcium-induced swelling, but further increased the potential dissipation. All of these effects of Ca2+ and MSL were visibly reduced in the presence of the MPTP inhibitors (ADP, N ethylmaleimide, and cyclosporine A). High MSL concentrations attenuated the ability of ADP to inhibit the MPTP. Our data suggest that the PiC can participate in the Tl+-induced MPTP opening in the inner membrane of Ca2+-loaded rat liver mitochondria. PMID- 29223394 TI - Islet beta cell: An endocrine cell secreting miRNAs. AB - The pancreas is an important endocrine organ. Pancreatic beta (beta) cells secrete insulin to regulate the metabolism of glucose and maintain the stability of blood glucose. MicroRNAs (miRNAs), small (20-25 nt) non-coding RNA molecules, function in target gene silencing through post-transcriptional patterns, and multiple miRNAs regulate insulin secretion, insulin signaling pathways in pancreatic beta cells and islet activity. In recent years, it has been found that many types of cells can secrete regulatory miRNA, but whether islet cells can secrete miRNA has not been clarified yet. In this study, we detected miRNA expressions in cell culture medium of primary mouse islet cells and islet cell line MIN6. And we found that islet cells can selectively and actively secrete miRNAs, mainly through the way of exosome package, and that miRNA secretion profiling patterns vary according to different insulin secretion stimulating conditions (high Glucose, high Kcl, high Arginine and high Free fat acid (FFA)). Additionally, we found that these miRNAs secreted by islet cells can be transported and have gene-regulating functions on recipient tissue cells, such as liver and muscles. In conclusion, we find another secretory function of the islet beta cells: not only insulin, but also miRNAs. PMID- 29223395 TI - A novel mouse model for tracking the fate of CXCR5-expressing T cells. AB - The germinal center (GC) reaction, a critical process in the humoral immune response, requires follicular helper T (Tfh) cells. Tfh cells express the master transcription factor Bcl6 and chemokine receptor CXCR5, which enable them to migrate from the T cell zone to B cell follicles and interact with GC B cells. However, CXCR5 is downregulated when Tfh cells become memory cells. Therefore, it is difficult to track Tfh cells continuously in vivo. In this study, we generated a mouse strain, Cxcr5CreERT2R26Tomato, in which the fluorescent protein tdTomato is inducibly expressed in CXCR5+ cells by tamoxifen administration. After the oral administration of tamoxifen, most Tfh cells in Peyer's patches (PP) from Cxcr5CreERT2R26Tomato mice were tdTomato+. To track antigen-specific Tfh cells in vivo, OVA-specific OT-II T cells derived from Cxcr5CreERT2R26Tomato mice were transferred to wild-type mice, and the recipient mice were immunized with OVA followed by tamoxifen administration. CXCR5+ T cells became tdTomato+ and were mainly located in B cell follicles and GC areas 8 days after immunization. Four weeks after immunization, tdTomato+ OT-II T cells migrated from B cell follicles to the T-B border area and T cell zone after CXCR5 downregulation and CCR7 upregulation. These results indicate that Cxcr5CreERT2R26Tomato mice are a useful tool for studying the cell fate of differentiated Tfh cells in vivo and therefore have implications for the development of therapeutic strategies for infectious and autoimmune diseases. PMID- 29223396 TI - Accelerated dentinogenesis by inhibiting the mitochondrial fission factor, dynamin related protein 1. AB - Undifferentiated odontogenic epithelium and dental papilla cells differentiate into ameloblasts and odontoblasts, respectively, both of which are essential for tooth development. These differentiation processes involve dramatic functional and morphological changes of the cells. For these changes to occur, activation of mitochondrial functions, including ATP production, is extremely important. In addition, these changes are closely related to mitochondrial fission and fusion, known as mitochondrial dynamics. However, few studies have focused on the role of mitochondrial dynamics in tooth development. The purpose of this study was to clarify this role. We used mouse tooth germ organ cultures and a mouse dental papilla cell line with the ability to differentiate into odontoblasts, in combination with knockdown of the mitochondrial fission factor, dynamin related protein (DRP)1. In organ cultures of the mouse first molar, tooth germ developed to the early bell stage. The amount of dentin formed under DRP1 inhibition was significantly larger than that of the control. In experiments using a mouse dental papilla cell line, differentiation into odontoblasts was enhanced by inhibiting DRP1. This was associated with increased mitochondrial elongation and ATP production compared to the control. These results suggest that DRP1 inhibition accelerates dentin formation through mitochondrial elongation and activation. This raises the possibility that DRP1 might be a therapeutic target for developmental disorders of teeth. PMID- 29223397 TI - (+)-Borneol suppresses conditioned fear recall and anxiety-like behaviors in mice. AB - Fear- and anxiety-related psychiatric disorders have been one of the major chronic diseases afflicting patients for decades, and new compounds for treating such disorders remain to be developed. (+)-Borneol, a bicyclic monoterpene found in several species of Artemisia and Dipterocarpaceae, is widely used for anxiety, pain and anesthesia in Chinese medicine. Meanwhile, it can potentiate GABA (gamma aminobutyric acid) activity directly in recombinant GABAA receptors. The present study was to investigate the effects of (+)-Borneol on both contextual and cued fear recall. Interestingly, microinjection of (+)-Borneol into the dorsal hippocampus inhibited 24 h and 7 d contextual fear, whereas its infusion into ventral hippocampus only reduced 24 h cued fear responses. Moreover, microinjection of (+)-Borneol into dorsal but not ventral hippocampus suppressed anxiety-like behaviors in the open field test, light/dark exploration and the elevated plus maze test. As selective GABAA receptor antagonist bicuculline reversed the effect of (+)-Borneol on contextual fear paradigm and the drug potentiated GABA-evoked currents in acute hippocampus slices, modulation of the GABAergic neurotransmission may explain the effects of (+)-Borneol. Our findings suggest that (+)-Borneol can serve as a new therapeutic in fear- and anxiety related disorders. PMID- 29223398 TI - EphA7 regulates claudin6 and pronephros development in Xenopus. AB - Eph/ephrin molecules are widely expressed during embryonic development, and function in a variety of developmental processes. Here we studied the roles of the Eph receptor EphA7 and its soluble form in Xenopus pronephros development. EphA7 is specifically expressed in pronephric tubules at tadpole stages and knockdown of EphA7 by a translation blocking morpholino led to defects in tubule cell differentiation and morphogenesis. A soluble form of EphA7 (sEphA7) was also identified. Interestingly, the membrane level of claudin6 (CLDN6), a tetraspan transmembrane tight junction protein, was dramatically reduced in the translation blocking morpholino injected embryos, but not when a splicing morpholino was used, which blocks only the full length EphA7. In cultured cells, EphA7 binds and phosphorylates CLDN6, and reduces its distribution at the cell surface. Our work suggests a role of EphA7 in the regulation of cell adhesion during pronephros development, whereas sEphA7 works as an antagonist. PMID- 29223399 TI - Ectopic serotonin production in beta-cell specific transgenic mice. AB - Genetically modified mice have been widely used in the field of beta-cell research. However, analysis of results gathered using genetically modified organisms should be interpreted carefully as the results may be confounded by several factors. Here, we showed the ectopic serotonin (5-HT) production in beta cells of RIP-CreMgn, MIP-GFP, and MIP-Cre/ERT mice. These mice contained a human growth hormone (hGH) cassette to enhance transgene expression and hGH expression and Stat5 phosphorylation were detected in pancreatic islets of these mice. The expression level of tryptophan hydroxylase 1 (Tph1) was upregulated in pancreatic islets of transgenic mice with an hGH cassette but not in transgenic mice without an hGH cassette. Ectopic 5-HT production was not observed in beta-cell-specific prolactin receptor (Prlr) knockout mice or Stat5 knockout mice crossed with RIP CreMgn. We further confirmed that 5-HT production in beta-cells of several transgenic mice was induced by hGH expression followed by the activation of the Prlr-Stat5-Tph1 pathway. These findings indicate that results obtained using transgenic mice containing the hGH cassette should be interpreted with care. PMID- 29223400 TI - A new comprehensive method for detection of livestock-related pathogenic viruses using a target enrichment system. AB - We tested usefulness of a target enrichment system SureSelect, a comprehensive viral nucleic acid detection method, for rapid identification of viral pathogens in feces samples of cattle, pigs and goats. This system enriches nucleic acids of target viruses in clinical/field samples by using a library of biotinylated RNAs with sequences complementary to the target viruses. The enriched nucleic acids are amplified by PCR and subjected to next generation sequencing to identify the target viruses. In many samples, SureSelect target enrichment method increased efficiencies for detection of the viruses listed in the biotinylated RNA library. Furthermore, this method enabled us to determine nearly full-length genome sequence of porcine parainfluenza virus 1 and greatly increased Breadth, a value indicating the ratio of the mapping consensus length in the reference genome, in pig samples. Our data showed usefulness of SureSelect target enrichment system for comprehensive analysis of genomic information of various viruses in field samples. PMID- 29223401 TI - Palliative Care Need and Availability in Four Referral Hospitals in Senegal: Results from a Multicomponent Assessment. AB - CONTEXT: With prevalence of noncommunicable diseases and life expectancy rising in Senegal, the need for palliative care is likely growing. No national palliative care needs assessments have been carried out. OBJECTIVES: To assess the capacity and need for palliative care in Senegal. METHODS: A multicomponent assessment of availability and demand for palliative care was conducted in two tertiary and two regional hospitals in Senegal in 2015 with approval from Senegal's National Ethics Committee for Health Research. The assessment consisted of (1) an inpatient hospital census; (2, 3) surveys of inpatients and outpatients with life-limiting illness; (4) a knowledge, attitudes, and practices survey among health care workers; and (5) a facility survey to assess availability of palliative care medications. RESULTS: Nearly half (44.4%) of all inpatients (n = 167) had an active life-limiting illness. Among them, 56.6% reported moderate-to severe pain in the past three days, 2.3% of whom received morphine, and 76.7% received weak or no pain medication. Inpatients also experienced moderate-to severe dyspnea (42.1%), fatigue (66.5%), nausea (16.5%), and drowsiness (42.1%). About 39.2% of all outpatients (n = 395) reported moderate-to-severe pain, and 52.8% reported that the treatment they had received relieved their pain only partially or not at all. Two-thirds of all doctors reported feeling comfortable prescribing pain medicines; however, 83.0% rarely or never prescribed morphine. Two of four hospitals reported no use of morphine in 2014. CONCLUSION: There is significant need for palliative care in Senegal. Training of health care workers and ensuring availability of relevant medications should be prioritized. PMID- 29223402 TI - Genetic regulation mechanism of the yjdF riboswitch. AB - The yjdF riboswitch resides in potential 5' UTRs of homologues of protein-coding gene yjdF in Firmicutes. Unlike other 30 riboswitch classes previously validated, this riboswitch class, can sense and bind to a broad collection of azaaromatic ligands. Among these compounds, some do activate production of yjdF protein driven by the riboswitch, while others are out of riboswitch-mediated modulation possibly because of the toxicity at high ligand concentrations. By incorporating the structures with pseudoknots and ligand binding kinetics into the co transcriptional folding theory, we theoretically studied the co-transcriptional folding behaviors of the yjdF riboswitch from Bacillus subtilis at different transcription conditions. Like most riboswitches, the yjdF riboswitch can quickly fold into the aptamer structure without any trapped states during the transcription process. After the aptamer structure is formed, the riboswitch shows two main co-transcriptional folding pathways: aptamer->ON state->OFF state and aptamer -> the ligand bound aptamer -> the ligand bound ON state. Our results suggested that this translational riboswitch is coupled with the transcription process to exert its biological function and it is kinetically controlled. The threshold concentration for the ligand to activate the riboswitch depends on the transcription rate and the association rate of the ligand binding. PMID- 29223403 TI - Older Adults Undergoing Total Hip or Knee Arthroplasty: Chronicling Changes in Their Multimorbidity Profile in the Last Two Decades. AB - BACKGROUND: Despite the ubiquitous use of total hip arthroplasty (THA) and total knee arthroplasty (TKA) in older adults, little is known about the multimorbidity (MM) profile of this patient population. This study evaluates the temporal trends of MM, hypothesizing that patients with MM have had an increasingly greater representation in THA and TKA patients over time. METHODS: Data on a US representative sample of older adults from the linked Health and Retirement Study and Medicare data from 1993 to 2012 were used. The Health and Retirement Study is a biennial survey that collects data on a broad array of measures, including self reported chronic conditions and geriatric syndromes, which were used to account for MM. Medicare data were used to identify fee-for-service Medicare beneficiaries who underwent THA (n = 479) or TKA (n = 998) during the study years, which were grouped into 3 periods: 1993-1999, 2000-2006, and 2007-2012. Multivariable logistic regression analysis was conducted to obtain age-, gender-, and race-adjusted time trends for MM. RESULTS: Compared to the earliest study period, and for both THA and TKA patients, there were significantly fewer patients with stroke and/or poor cognitive performance in the most recent study period. In addition, more TKA than THA patients presented with 2+ chronic conditions. Nearly 70% presented with co-occurring chronic conditions and geriatric syndromes, and this percentage did not change significantly over time. CONCLUSION: The high representation of THA and TKA patients presenting with co occurring chronic conditions and geriatric syndromes in this patient population warrants detailed exploration of the effects of geriatric syndromes on postoperative outcomes. PMID- 29223404 TI - Computer-Assisted Total Knee Arthroplasty: Is There a Difference Between Image Based and Imageless Techniques? AB - BACKGROUND: Image-based and imageless computer-assisted total knee arthroplasty (CATKA) has become increasingly popular. This study aims to compare outcomes, including perioperative complications and transfusion rate, between CATKA and conventional total knee arthroplasty (TKA), as well as between image-based and imageless CATKA. METHODS: Using the 9th revision of the International Classification of Diseases codes, we queried the Nationwide Inpatient Sample database from 2005 to 2011 to identify unilateral conventional TKA, image-based, and imageless CATKAs as well as in-hospital complications and transfusion rates. RESULTS: A total of 787,809 conventional TKAs and 13,246 CATKAs (1055 image-based and 12,191 imageless) were identified. The rate of CATKA increased 23.13% per year from 2005 to 2011. Transfusion rates in conventional TKA and CATKA cases were 11.73% and 8.20% respectively (P < .001) and 6.92% in image-based vs 8.27% in imageless (P = .023). Perioperative complications occurred in 4.50%, 3.47%, and 3.41% of cases after conventional, imageless, and imaged-based CATKAs, respectively. Using multivariate analysis, perioperative complications were significantly higher in conventional TKA compared to CATKA (odds ratio = 1.17, 95% confidence interval 1.03-1.33, P = .01). There was no significant difference between imageless and image-based CATKA (P = .34). Length of hospital stay and hospital charges were not significantly different between groups (P > .05). CONCLUSION: CATKA has low complication rates and may improve patient outcomes after TKA. CATKA, especially the image-based technique, may reduce in-hospital complications and transfusion without increasing hospital charges and length of hospital stay significantly. Large prospective studies with long follow-up are required to verify potential benefits of CATKA. PMID- 29223405 TI - Polished, Collarless, Tapered, Cemented Stems for Primary Hip Arthroplasty May Exhibit High Rate of Periprosthetic Fracture at Short-Term Follow-Up. AB - BACKGROUND: Cemented stems are designed to follow 1 of 2 principles of fixation: composite beams or slide taper. Stems in the latter category have a collarless, polished, tapered (CPT) design and subside into the cement mantle, creating hoop stresses. We compared the rate of periprosthetic fracture (PPF) of stem designed with these 2 principles of fixation. In addition, we examined radiographic factors that may predispose to the development of PPF. METHODS: We retrospectively reviewed all patients who underwent primary THA by a single surgeon using highly polished cemented stems. PPF rates were compared between CPT stems (follow-up, 21 months; standard deviation [SD], 22) and composite beam stems (follow-up, 21.7 months; SD, 26). Demographic data were compared between patients with and without a PPF. Three preoperative radiographic parameters (canal bone ratio [CBR], canal-calcar ratio, and canal flare index), stem alignment, and cement mantle were compared in match-paired patients with and without a PPF (1:34). RESULTS: Seven of 1460 THA patients developed a PPF (0.479%); 4 hips of 185 with a CPT stem (2.2%); and 3 of 1275 hips with a composite beam stem (0.23%; P = .0064). Three of the 4 PPFs in the CPT group and none in the composite beam group were classified as Vancouver B2. The CBR in patients with a PPF was 0.50 (SD, 0.07) and 0.43 (SD, 0.07) in the match cohort of hips without PPF (P = .013). CONCLUSION: CPT stems may be associated with a higher risk of PPF that often require reoperation. An increased CBR may be a risk factor for postoperative PPF. PMID- 29223406 TI - Chronic Granulomatous Disease in children: a single center experience. AB - Chronic Granulomatous Disease (CGD) is caused by the failure of the phagocytes to kill pathogens. We carried out a retrospective analysis of cellular, molecular and clinical features of 14 young patients (mean age at the onset of symptoms and diagnosis: 10 and 25months, respectively), 7 with autosomal recessive and 7 X linked form, referred to the Children's Hospital of Brescia between 1999 and 2016. Two new mutations were found, one localized in the CYBB and one in the NCF1 genes. Twelve patients were followed in our institution; the average length of their follow-up after diagnosis was 66months in X-linked patients and 126months in autosomal recessive inheritance. The overall survival was 67%, 40% in X-linked and 86% in autosomal recessive form. Eight patients were treated with HSCT. We did not find a clear correlation between the clinical symptoms and the type of mutation, but the fine characterization of the patients was mandatory for therapeutic option, genetic counseling and prenatal diagnosis. PMID- 29223407 TI - STAT3-mediated epigenetic silencing of FOXP3 in LADA T cells is regulated through HDAC5 and DNMT1. AB - In LADA patients, Tregs are reduced and FOXP3 is downregulated in CD4+ T cells, but the etiology remains unclear. Our study included in 20 LADA patients and 20 healthy control patients. qRT-PCR results showed that STAT3, HDAC3, HDAC5, SIRT1, DNMT1 and DNMT3b mRNAs were significantly upregulated in LADA CD4+ T cells than controls, while FOXP3 mRNA significantly decreased. p-STAT3, STAT3, DNMT1 and DNMT3b expressions were increased demonstrated by western blot. ChIP-PCR suggested that p-STAT3 binds to the Foxp3 promoter, meanwhile, histone H3 acetylation at K9 and K14 of FOXP3 promoter were significantly lower than controls. Luciferase reporter assay showed that ectopic STAT3 expression significantly reduced FOXP3 promoter activities. The Foxp3 promoter was significantly hypermethylated in LADA than controls. LADA patients showed stronger binding of p-STAT3, HDAC5 and DNMT1 than controls using CHIP. These findings reveal a crucial role of STAT3 in regulating the epigenetic status of T cells in LADA. PMID- 29223408 TI - Clinical outcomes to exercise training in type 1 diabetes: A systematic review and meta-analysis. AB - AIMS: To establish the relationship between exercise training and clinical outcomes in people with type I diabetes. METHODS: Studies were identified through a MEDLINE search strategy, Cochrane Controlled Trials Registry, CINAHL, SPORTDiscus and Science Citation Index. The search strategy included a mix of key concepts related to trials of exercise training in people with type 1 diabetes; glycaemic control. Searches were limited to prospective randomized or controlled trials of exercise training in humans with type 1 diabetes lasting 12 weeks or more. RESULTS: In exercised adults there were significant improvements in body mass Mean Difference (MD): -2.20 kg, 95% Confidence Interval (CI) -3.79-0.61, p = .007; body mass index (BMI) MD: -0.39 kg/m2, 95% CI -0.75-0.02, p = .04; Peak VO2 MD: 4.08 ml/kg/min, 95% CI -2.18-5.98, p < .0001; and, low-density lipoprotein cholesterol (LDL) MD: -0.21 mmol/L, 95% CI -0.33-0.08, p = .002. In exercised children there were significant improvements in insulin dose MD: -0.23 IU/kg, 95% CI -0.37-0.09, p = .002; waist circumference MD: -5.40 cm, 95% CI -8.45 to -2.35, p = .0005; LDL MD: -0.31 mmol/L, 95% CI -0.55 to -0.06, p = .02; and, triglycerides MD: -0.21 mmol/L, 95% CI -0.42 to -0.01, p = .04. There were no significant changes in glycosylated haemoglobin (HbA1C%), fasting blood glucose, resting heart rate, resting systolic blood pressure or high density lipoproteins in either group. CONCLUSIONS: Exercise training improves some markers of type 1 diabetes severity; particularly body mass, BMI, Peak VO2 and LDL in adults and insulin dose, waist circumference, LDL and triglycerides in children. PMID- 29223409 TI - Obtaining Adequate Tension for Extensor Hallucis Longus Tendon Rupture Repair Using Wide-Awake Surgery: A Case Report. AB - Wide-awake surgery has potential advantages for treating extensor or flexor tendon injury. We present a case of chronic extensor hallucis longus injury treated with turn-down reconstruction using wide-awake surgery with a selective nerve block. To the best of our knowledge, this is the first such case reported. The patient had dropped a knife proximal to the right hallux metatarsophalangeal joint. Because direct suturing was thought to be difficult, turn-down reconstruction was performed under a selective nerve block. At 8 months postoperatively, the hallux had 75 degrees of extension in the metatarsophalangeal joint and -5 degrees of extension in the interphalangeal joint, similar to those of the healthy foot. The Japanese Society for Surgery of the foot objective hallux scale score had improved from 87 to 100, and the subjective scores in the subcategories of pain and pain-related, physical functioning and daily living, and shoe-related in the self-administered foot evaluation questionnaire had improved from 82.8 to 94.4, 97.7 to 100, and 50 to 83.3, respectively. Turn-down reconstruction using wide-awake surgery with a selective nerve block can be used for chronic extensor hallucis longus rupture and can be expected to provide good results. PMID- 29223411 TI - Animal models in autism research: The legacy of Paul H. Patterson. PMID- 29223412 TI - Resident Education in Pediatric and Adolescent Gynecology. PMID- 29223410 TI - Characteristics of computed tomography perfusion parameters in non-small-cell lung-cancer and its relationship to histology, size, stage an treatment response. AB - OBJECTIVES: To analyze computed tomography perfusion (CTP) parameters in NSCLC. MATERIALS AND METHODS: Prospective study, 152 patients with NSCLC. CTP parameters were correlated with histology, stage, size and response to conventional chemotherapy/radiotherapy. RESULTS: Neuroendocrine tumours presented higher BV (p 0.002). Negative correlation of PMB (p 0.003) and positive of MTT (p 0.046) with T stage was found. BF showed negative correlation with size. No differences were found with the RECIST levels of response to chemotherapy/radiotherapy. CONCLUSIONS: CTP parameters were highly variable. Neuroendocrine tumours presented higher BV and PMB values. Perfusion parameters do not differ depending on the stage and do not predict response to treatment. PMID- 29223413 TI - Predictors of pressure ulcer risk in adult intensive care patients: A retrospective case-control study. AB - OBJECTIVES: To evaluate the predictive power of risk factors for pressure ulcers in adult intensive care patients. METHOD: A retrospective case-control study was performed utilising a heterogeneous sample group allocated into a case group with pressure ulcers (n=90) and a control group without pressure ulcers (n=90). The analysis explored the predictive power of risk factors for pressure ulcers using a hierarchical logistic regression model. RESULTS: The risk factors that predicted pressure ulcers were friction (OR=5.97), previous history of pressure ulcers (OR=5.43), prolonged intensive care unit stay (OR=3.92), dehydration (OR=3.18), elevated skin temperature by 1-2 degrees C (OR=3.12) and treatment of other comorbidities (OR=2.79). CONCLUSION: Adult intensive care patients have an increased risk of developing a pressure ulcer. These risk factors are regarded as strong predictors for pressure ulceration. This study advances nursing knowledge in that it investigates additional risk factors for the development of pressure ulcers and it identifies a set of factors that best predict their occurrence, which may contribute to the nurses' diagnostic reasoning in the intensive care unit. PMID- 29223414 TI - Juvenile myoclonic epilepsy - An insider's guide. PMID- 29223415 TI - [Psychological impact of prostate cancer on patients receiving a 6-month androgen deprivation therapy]. AB - BACKGROUND: Prostate cancer (PCa) is often associated with psychopathological symptoms such as anxiety. This study evaluated the effects of the luteinizing hormone-releasing hormone agonist therapy leuprorelin acetate (LA) on anxiety and quality of life (QoL) over time in men with PCa. METHODS: This observational, non interventional, multicenter study was conducted in France. Patients with PCa eligible for therapy with a 6-month LA depot were enrolled. Patients completed questionnaires assessing anxiety (memorial anxiety scale for prostate cancer [MAX PC] ; state trait anxiety inventory [STAI]) and QoL (medical outcomes study 12 item short-form health survey [SF-12] physical summary component [PCS] and mental component summary [MSCS] subscales) at baseline and 6 months after 6-month LA depot administration. RESULTS: Questionnaires were completed by 575 men at baseline and 315 men at 6 months. Mean age was 75.5 years; median time since first diagnosis was 0.4 years. At baseline, the mean (+/-standard deviation [SD]) MAX-PC score was 17.7+/-12.0, with anxiety primarily related to the PCa diagnosis. STAI-state and MAX-PC scores were consistent. Following 6 months of LA administration, the mean MAX-PC score decreased (-2.0+/-10.4 ; P<0.001). The PCa diagnosis negatively affected patients' QoL, as assessed by the SF-12 PCS and MCS subscores. At 6 months, the SF-12 vitality score significantly increased (1.2+/ 9.8; P=0.0142) vs baseline and the SF-12 PCS score decreased by -2.0+/-8.0 from baseline. CONCLUSION: After 6 months of leuprorelin 45mg therapy, prostate cancer patients appeared to be less anxious with a mental health improvement. LEVEL OF EVIDENCE: 3. PMID- 29223416 TI - Cost Variation Across Centers for the Norwood Operation. AB - BACKGROUND: The Norwood operation is associated with high health care utilization, and prior studies reported substantial variability in Norwood costs across centers. However, specific factors driving this cost variation are unclear. We assessed center variability in Norwood costs and underlying mechanisms in a multicenter cohort. METHODS: Clinical data from the Pediatric Heart Network Single Ventricle Reconstruction trial were linked with cost data from the Children's Hospital Association Inpatient Essentials database. Center variation was assessed by modeling Norwood costs adjusted for baseline patient characteristics, and the relationship with complications, length of stay (LOS), and specific cost categories was examined. Patients undergoing transplantation or stage 2 palliation during the Norwood admission were excluded. RESULTS: Nine centers (332 patients) were included. Adjusted mean cost/case varied 4.6-fold across centers (range: $50,559 to $230,851, p < 0.001). In addition, variation was found across centers in the adjusted mean number of complications/case (2.6 fold variation) and adjusted mean LOS/case (1.9-fold variation). Differences in complications explained 63% of the cost variation across centers. After accounting for complications, differences in LOS explained 66% of the remaining cost variation. Seven specific complications were found to occur more frequently at high-cost centers: pleural effusion, seizures, wound infection, thrombus, liver dysfunction, sepsis, necrotizing enterocolitis (all p < 0.001). With regard to types of cost, room and board/supplies and laboratory costs were the primary drivers of cost variation across centers. CONCLUSIONS: This study identified several factors associated with center variation in Norwood costs, which may be targeted in subsequent initiatives aimed at both improving quality of care and reducing costs. PMID- 29223417 TI - Left-Ventricular Assist Device Impact on Aortic Valve Mechanics, Proteomics and Ultrastructure. AB - BACKGROUND: Aortic regurgitation is a prevalent, detrimental complication of left ventricular assist devices (LVADs). The altered hemodynamics of LVADs results in aortic valves (AVs) having distinct mechanical stimulation. Our hypothesis was that the altered AV hemodynamics modulates the valve cells and matrix, resulting in changes in valvular mechanical properties that then can lead to regurgitation. METHODS: AVs were collected from 16 LVAD and 6 non-LVAD patients at time of heart transplant. Standard demographic and preoperative data were collected and comparisons between the two groups were calculated using standard statistical methods. Samples were analyzed using biaxial mechanical tensile testing, mass spectrometry-based proteomics, and transmission electron microscopy to assess ultrastructure. RESULTS: The maximum circumferential leaflet strain in LVAD patients was less than in non-LVAD patients (0.35 +/- 0.10MPa versus 0.52 +/- 0.18 MPa, p = 0.03) with a trend of reduced radial strain (p = 0.06) and a tendency for the radial strain to decrease with increasing LVAD duration (p = 0.063). Numerous proteins associated with actin and myosin, immune signaling and oxidative stress, and transforming growth factor beta were increased in LVAD patients. Ultrastructural analysis showed a trend of increased fiber diameter in LVAD patients (46.2 +/- 7.2 nm versus 45.1 +/- 6.9 nm, p = 0.10), but no difference in fiber density. CONCLUSIONS: AVs in LVAD patients showed decreased compliance and increased expression of numerous proteins related to valve activation and injury compared to non-LVAD patients. Further knowledge of AV changes leading to regurgitation in LVAD patients and the pathways by which they occur may provide an opportunity for interventions to prevent and/or reverse this detrimental complication. PMID- 29223418 TI - Should Diabetes Be a Contraindication to Bilateral Internal Mammary Artery Grafting? AB - BACKGROUND: This study evaluates the influence of bilateral internal mammary artery (BIMA) versus single internal mammary artery (SIMA) grafting on postoperative morbidity and long-term survival among diabetic patients undergoing coronary artery bypass grafting (CABG). METHODS: A multicenter, retrospective analysis of 47,984 consecutive CABGs performed from 1992 to 2014 at 7 medical centers was conducted. Among the study population, 1,482 CABGs with BIMA were identified, and 1,297 BIMA patients were propensity-matched to 1,297 SIMA patients. The study cohort for this analysis, drawn from matched data, included 430 diabetic patients: 217 SIMA and 213 BIMA. The primary endpoint was long-term survival. Secondary endpoints included postoperative morbidity, length of stay, and in-hospital mortality. RESULTS: The median duration of follow-up was 9.3 (range, 4.3 to 13.9) years. Among propensity-matched diabetic patients, there was no significant difference in age, body mass index, or major baseline comorbidities. The groups were also well matched on the number of diseased coronary arteries and number of distal anastomoses performed. There was no difference in the rate of mediastinitis or sternal dehiscence (p = 0.503) or in hospital mortality (p = 0.758) between groups. Both groups had a similar median length of stay of 5 (range, 4 to 7) days. Diabetic patients who received a BIMA had significantly improved long-term survival when compared with SIMA patients (hazard ratio 0.75 [95% confidence interval 0.57 to 0.98], p = 0.034). CONCLUSIONS: Among diabetics undergoing CABG, use of BIMA grafting does not result in increased in-hospital morbidity or mortality and confers a long-term survival advantage when compared with SIMA grafting. Thus, diabetic patients should be considered for BIMA grafting more frequently. PMID- 29223419 TI - Posttransplant Lymphoproliferative Disorders in Epstein-Barr Virus Donor Positive/Recipient Negative Lung Transplant Recipients. AB - BACKGROUND: Epstein-Barr virus (EBV) donor positive/recipient negative (D+/R-) status is a significant risk factor for posttransplant lymphoproliferative disorder (PTLD) in lung transplant. There are, however, no studies that identify the risk factors for PTLD in the EBV D+/R- lung transplant population to guide the decision to proceed with an EBV-positive donor. METHODS: This was a retrospective cohort study of adults listed in the Scientific Registry of Transplant Recipients between May 5, 2005, and August 31, 2016. Cox proportional hazards models were used to assess the impact of EBV D+/R- status on the development of PTLD, the impact of PTLD on survival, and survival differences between EBV D+/R- and EBV D-/R- recipients. RESULTS: The incidence of PTLD was 6.2% (79 of 1,281) versus 1.4% (145 of 10,352) in EBV D+/R- versus all other recipients (adjusted odds ratio 4.0; 95% confidence interval: 2.8 to 5.9, p < 0.001). Among EBV D+/R- recipients, age less than 40 years and white race were associated with PTLD. The EBV D+/R- patients who had PTLD had increased adjusted risk of death (hazard ratio 1.91; 95% confidence interval: 1.35 to 2.71; p < 0.001). Compared with EBV D+/R- recipients, EBV D-/R- recipients did not have improved adjusted survival (hazard ratio 0.82; 95% confidence interval: 0.57 to 1.18; p = 0.30). CONCLUSIONS: Despite increased rates of PTLD and associated mortality in the EBV D+/R- population, EBV seronegative patients did not have worse mortality when transplanted with lungs from EBV seropositive donors compared with lungs from EBV seronegative donors. Consideration should be given for close monitoring for PTLD among EBV D+/R- recipients, particularly those who are white and less than 40 years of age. PMID- 29223420 TI - HER2 Confers Resistance to Foretinib Inhibition of MET-Amplified Esophageal Adenocarcinoma Cells. AB - BACKGROUND: Recent genomic studies indicated that esophageal adenocarcinoma (EAC) is driven by amplification of c-MET or HER2 or both in a subset of patients. We studied the effect of MET targeting by the small molecule inhibitor foretinib in EAC cells and the interplay between MET and HER2 signaling. METHODS: We measured the expression levels and phosphorylation status of MET and HER2 proteins in EAC cell lines using Western blot analysis. The expression levels of MET and HER2 were manipulated by transfecting cells with specific siRNA or a plasmid expressing HER2. The small molecule inhibitors of c-MET and ERBB1/2 (foretinib and lapatinib, respectively) were tested for effect on growth, apoptosis, and downstream signaling pathways of EAC cells as single agents or in combination. The response to inhibitors was correlated to the levels of MET, HER2 expression, and amplification status. RESULTS: Foretinib inhibits phosphorylation of MET, which correlated with reduced EAC cell growth and inhibition of AKT and ERK phosphorylation. Cell growth inhibition by foretinib is most profound in the ESO51 cell line, which has MET gene amplification and overexpression. Inhibition of MET signaling by foretinib or siRNA-specific knock down of MET expression induces apoptosis in ESO51 cells. Ectopic expression of HER2 reduces foretinib mediated growth inhibition and downstream ERK phosphorylation in ESO51-HER2 cells. The EAC OE33 cell line, with amplification and overexpression of both MET and HER2, demonstrated reduced sensitivity to foretinib or lapatinib and had a transient effect on downstream inhibition of phosphorylated AKT and ERK (p-AKT, p ERK). The coadministration of foretinib and lapatinib effectively blocked both MET and HER2 signaling through the p-AKT and p-ERK pathways, dramatically inhibited growth, and induced apoptosis to overcome single-agent resistance in OE33 cells. CONCLUSIONS: The mechanism for foretinib growth inhibition in MET amplified EAC tumor cells is demonstrated. The interplay of dual MET/HER2 overexpression in the AKT and ERK pathways for esophageal cancer is described. Therefore, combination therapy could be a novel strategy for EAC with amplification of both MET and HER2. PMID- 29223422 TI - National Trends in the Epidemiology of Malignant Pleural Mesothelioma: A National Cancer Data Base Study. AB - BACKGROUND: Malignant pleural mesothelioma (MPM) remains an aggressive malignancy that is difficult to cure. However, the treatment paradigm of MPM has evolved, and the national practice patterns are unknown. This study examined the national trends in the epidemiology, national treatment patterns, and survival of patients with this disease. METHODS: We identified all patients (n = 19,134) with MPM from the National Cancer Data Base from 2004 to 2013. We analyzed patient, tumor characteristics, and treatment patterns using descriptive statistics and used Kaplan-Meier and Cox proportional hazards models to estimate survival stratified by the type of therapy administered. RESULTS: Four histologic subtypes were represented in the National Cancer Data Base, these included sarcomatoid (n = 2,355 [12.3%]), epithelioid (n = 6,858 [35.8%]), biphasic (n = 13,617 [11%]), and not otherwise specified (n = 8,560 [44.7%]). Across all subtypes, the prevalence of mesothelioma was highest among white men. Sarcomatoid had the worst survival (adjusted hazard ratio, 2.2; p < 0.001). Most patients did not receive any specific modality of treatment (40.2%). Chemotherapy alone was the most common treatment used (31.8%). Trimodality treatment with chemotherapy, surgical resection, and radiation therapy was associated with the best survival (adjusted hazard ratio, 0.43; p < 0.001), followed by combination chemotherapy and resection (adjusted hazard ratio, 0.49; p < 0.001). CONCLUSIONS: This is the first publication to date to analyze the mesothelioma National Cancer Data Base. Although survival remains poor, multimodality therapy with surgical resection is associated with the best survival for MPM. Further research is needed to improve survival and overall patient outcomes. PMID- 29223421 TI - A Prospective Multi-Institutional Cohort Study of Mediastinal Infections After Cardiac Operations. AB - BACKGROUND: Mediastinal infections are a potentially devastating complication of cardiac operations. This study analyzed the frequency, risk factors, and perioperative outcomes of mediastinal infections after cardiac operations. METHODS: In 2010, 5,158 patients enrolled in a prospective study evaluating infections after cardiac operations and their effect on readmissions and mortality for up to 65 days after the procedure. Clinical and demographic characteristics, operative variables, management practices, and outcomes were compared for patients with and without mediastinal infections, defined as deep sternal wound infection, myocarditis, pericarditis, or mediastinitis. RESULTS: There were 43 mediastinal infections in 41 patients (cumulative incidence, 0.79%; 95% confidence interval [CI] 0.60% to 1.06%). Median time to infection was 20.0 days, with 65% of infections occurring after the index hospitalization discharge. Higher body mass index (hazard ratio [HR] 1.06; 95% CI, 1.01 to 1.10), higher creatinine (HR, 1.25; 95% CI, 1.13 to 1.38), peripheral vascular disease (HR, 2.47; 95% CI, 1.21 to 5.05), preoperative corticosteroid use (HR, 3.33; 95% CI, 1.27 to 8.76), and ventricular assist device or transplant surgery (HR, 5.81; 95% CI, 2.36 to 14.33) were associated with increased risk of mediastinal infection. Postoperative hyperglycemia (HR, 3.15; 95% CI, 1.32 to 7.51) was associated with increased risk of infection in nondiabetic patients. Additional length of stay attributable to mediastinal infection was 11.5 days (bootstrap 95% CI, 1.88 to 21.11). Readmission rates and mortality were five times higher in patients with mediastinal infection than in patients without mediastinal infection. CONCLUSIONS: Mediastinal infection after a cardiac operation is associated with substantial increases in length of stay, readmissions, and death. Reducing these infections remains a high priority, and improving post-operative glycemic management may reduce their risk in patients without diabetes. PMID- 29223423 TI - The Requirement of Sutures to Close Intercostal Drains Site Wounds in Thoracic Surgery. AB - BACKGROUND: Chest drains are used routinely in thoracic surgery. Often a pursestring or mattress suture is used to facilitate closure of the defect on removal of the drain. This stitch can cause an unsightly scar, increase drain removal pain, and necessitate that the patient attend a community health care center to have this removed. The objective of this study was to assess whether this stitch is necessary in modern thoracic surgical practice. METHODS: Data from a single surgeon's practice were collected over an 18-month period. During this time, all patients who underwent both emergency and elective thoracic surgery who had at least one postoperative chest drain of 28F or above inserted were included in the study. The surgeon did not routinely use a suture to close the drain site. RESULTS: In all, 312 patients underwent thoracic surgery during the 18-month period. Each patient had a range of 1 to 3 drains inserted of a size between 28F and 32F. No patients had drain sutures for closure of the drain site. Four patients had pneumothoraces after drain removal requiring further chest drain insertion. Five patients had superficial drain site infections. A single patient had to have a suture inserted at a local hospital owing to leakage from the drain site. CONCLUSIONS: The use of pursestring sutures in thoracic surgery is an outdated practice that causes not only unsightly scars but is also associated with increased pain. Furthermore, these unnecessary pursestring sutures place a burden on the patient and health care system to have them removed. PMID- 29223424 TI - Outcome After Lung Volume Reduction Surgery in Patients With Severely Impaired Diffusion Capacity. AB - BACKGROUND: Lung volume reduction surgery (LVRS) has been proven to be a successful procedure and can be performed with low mortality when defined selection criteria are met. We hypothesized good outcome and low mortality after LVRS for selected patients with severe hyperinflation and nonhomogeneous morphology even when diffusion capacity of the lung for carbon monoxide (Dlco) is less than 20%. METHODS: The study included all patients scheduled for LVRS between March 2005 and May 2014 with a preoperative Dlco of less than 20%. Postoperative 90-day mortality was the primary end point. Secondary end points were postoperative lung function and surgical morbidity at 3, 6, and 12 months. RESULTS: Included were 33 patients with a median forced expiratory volume in 1 second of 23% (interquartile range, 19% to 28%), a median diffusion capacity of 15% (interquartile range, 13% to 18%), and a median hyperinflation of 76% (residual volume-to-total lung capacity ratio of 70% to 76%). Mean follow-up was 44.8 months (range, 10 to 141 months). Heterogeneous emphysema was present in 26 patients, and 7 showed intermediately heterogeneous morphology. Sixteen procedures were bilateral, and 31 were performed by video-assisted thoracoscopic surgery. The 90-day mortality was 0%. Median forced expiratory volume in 1 second percentage predicted at 3 months increased from 23% to 29% (p < 0.001). Median Dlco increased from 15% to 24% (p < 0.001), and median hyperinflation decreased from 76% to 63% (p < 0.001). A prolonged air leak exceeding 7 days occurred in 16 patients (48.5%), and 6 required reoperation for fistula closure. The 7 patients with intermediately heterogeneous emphysema showed a median increase in forced expiratory volume in 1 second from 20% preoperatively to 28% postoperatively (p = 0.028). CONCLUSIONS: Selected patients with severely impaired Dlco of less than 20% can cautiously be considered as potential candidates if hyperinflation is severe and the lungs show areas with advanced destruction as targets for resection. PMID- 29223425 TI - Assessing age-dependent multi-task functional co-activation changes using measures of task-potency. AB - It is being hypothesised that the developing adolescent brain is increasingly enlisting long-range connectivity, allowing improved communication between spatially distant brain regions. The developmental trajectories of such maturational changes remain elusive. Here, we aim to study how the brain engages in multiple tasks (working memory, reward processing, and inhibition) at the network-level and evaluate how effects of age across these tasks are related to each other. We characterise how the brain departs from its functional baseline architecture towards task-induced functional connectivity modulations using a novel measure called task potency, allowing direct comparison between tasks by defining sensitivity to one or multiple tasks. By applying this method in a sample of healthy participants (N = 218) aged 8-30 years, we demonstrate maturational changes in task-dependent functional co-activation over and above baseline connectivity maturation. Our results provide evidence for task-specific maturational windows with different cognitive systems probed by different tasks displaying specific age-range dependencies of strongest developmental change. Our results highlight the use of task potency for modelling developmental trajectories and the impact of differential maturation across tasks. This enables better characterisation of cognitive processes disrupted in neurodevelopmental disorders and may explain the increased level of heterogeneity observed in adolescent population studies. PMID- 29223426 TI - Application of solidifiers for oil spill containment: A review. AB - The need for new and/or improvement of existing oil spill remediation measures has increased substantially amidst growing public concern with the increased transportation of unconventional crudes, such as diluted bitumen products. Solidifiers may be a very good spill response measure to contain and mitigate the effects of oil discharge incidents, as these interact with the oil to limit hydrocarbon release into air and water, prevent it from adhering onto sediment and debris, and could allow for oil recovery and reuse. Solidifiers change the physical state of the spilled oil from liquid to a coherent mass by chemical interactions between the spilled oil and the solidifier. Currently, the use of solidifiers is limited to small spills near shorelines. To extend their use to large-scale spill containment operations, it is necessary to understand the mechanism of solidifier action and to establish consistent criteria for evaluation of their effectiveness. The research effort to date has been focused mainly on gelators and cross-linking agents, with particularly impressive advancements in the areas of phase-selective polymeric and small-molecule gelators. Substantial research efforts are needed to improve solidifier performance and integrate solidifiers as part of spill response procedures, particularly for acute oil spills involving unconventional petroleum products. PMID- 29223427 TI - Late outcome of percutaneous mitral commissurotomy: Randomized comparison of Inoue versus double-balloon technique. AB - BACKGROUND: Late prognosis after successful percutaneous mitral commissurotomy (PMC) is unclear. We compared late results of PMC using Inoue versus double balloon techniques up to 25 years in a randomized trial. METHODS: Between 1989 and 1995, 302 patients (77 men, 41 +/- 11 years) with severe mitral stenosis were randomly assigned to undergo PMC using Inoue (n = 152; group I) or double-balloon technique (n = 150; group D). The end points were the composite events of death, mitral surgery, repeat PMC, or deterioration of New York Heart Association (NYHA) class >=3. RESULTS: During median follow-up of 20.7 years (maximum, 25.6), clinical events occurred in 82 (53.9%) patients in group I (37 deaths, 44 mitral surgeries, 9 repeat PMCs, 3 NYHA class >=3) and in 79 (52.7%) patients in group D (34 deaths, 51 mitral surgeries, 5 repeat PMCs, 4 NYHA class >=3). Event-free survival rates at 24 years were not significantly different between group I and group D (40.8% and 42.6%, respectively; hazard ratio [HR], 0.88; 95% confidence interval [CI], 0.65-1.20; P = .423). On multivariate analysis, absence of post PMC commissural mitral regurgitation (MR) (HR, 1.84; 95% CI, 1.28-2.63; P = .001) and immediate post-PMC mitral valve area (MVA) <1.8 cm2 (HR, 1.53; 95% CI, 1.04 2.25; P = .031) were independently correlated with clinical events after successful PMC. CONCLUSIONS: The Inoue and double-balloon methods showed similar good clinical outcomes up to 25 years, and the achievement of effective commissurotomy to develop post-PMC commissural MR or immediate post-PMC MVA >=1.8 cm2 is important in optimizing the late results of PMC. PMID- 29223428 TI - Enabling social listening for cardiac safety monitoring: Proceedings from a drug information association-cardiac safety research consortium cosponsored think tank. AB - This white paper provides a summary of the presentations and discussions from a think tank on "Enabling Social Listening for Cardiac Safety Monitoring" trials that was cosponsored by the Drug Information Association and the Cardiac Safety Research Consortium, and held at the White Oak headquarters of the US Food and Drug Administration on June 3, 2016. The meeting's goals were to explore current methods of collecting and evaluating social listening data and to consider their applicability to cardiac safety surveillance. Social listening is defined as the act of monitoring public postings on the Internet. It has several theoretical advantages for drug and device safety. First, these include the ability to detect adverse events that are "missed" by traditional sources and the ability to detect adverse events sooner than would be allowed by traditional sources, both by affording near-real-time access to data from culturally and geographically diverse sources. Social listening can also potentially introduce a novel patient voice into the conversation about drug safety, which could uniquely augment understanding of real-world medication use obtained from more traditional methodologies. Finally, it can allow for access to information about drug misuse and diversion. To date, the latter 2 of these have been realized. Although regulators from the Food and Drug Administration and the United Kingdom's Medicines and Healthcare Products Regulatory Agency participated in the think tank along with representatives from industry, academia, and patient groups, this article should not be construed to constitute regulatory guidance. PMID- 29223429 TI - Predicting risk of cardiac events among ST-segment elevation myocardial infarction patients with conservatively managed non-infarct-related artery coronary artery disease: An analysis of the Duke Databank for Cardiovascular Disease. AB - BACKGROUND: Recent randomized evidence has demonstrated benefit with complete revascularization during the index hospitalization for multivessel coronary artery disease ST-segment elevation myocardial infarction (STEMI) patients; however, this benefit likely depends on the risk of future major adverse cardiovascular events (MACE). METHODS: Using data from Duke University Medical Center (2003-2012), we identified those at high risk for 1-year MACE among 664 STEMI patients with conservatively managed non-infarct-related artery (non-IRA) lesions. Using multivariable logistic regression, we identified clinical and angiographic characteristics associated with MACE (death, myocardial infarction, urgent revascularization) to 1 year and developed an integer-based risk prediction model for clinical use. RESULTS: In this cohort (median age 60 years, 30% female), the unadjusted Kaplan-Meier rates for MACE at 30 days and 1 year were 10% and 28%, respectively. Characteristics associated with MACE at 1 year included reduced left ventricular ejection fraction, hypertension, heart failure, higher-risk non-IRA vessels (left main), renal insufficiency, and greater % stenosis of non-IRA lesions. A 15-point risk score including these variables had modest discrimination (C-index 0.67) across a spectrum of subsequent risk (4% 88%) for 1-year MACE. CONCLUSIONS: There is a wide spectrum of risk following primary percutaneous coronary intervention for STEMI patients with multivessel disease. Using readily available clinical characteristics, the expected incidence of MACE by 1 year can be calculated with a simplified risk score, facilitating a tailored approach to clinical care. PMID- 29223430 TI - Rational and design of a randomized, double-blind, multicenter trial to evaluate the safety and tolerability of furosemide withdrawal in stable chronic outpatients with heart failure: The ReBIC-1 trial. AB - AIMS: Furosemide is commonly prescribed for symptom relief in heart failure (HF) patients. Although few data support the continuous use of loop diuretics in apparently euvolemic HF patients with mild symptoms, there is concern about safety of diuretic withdrawal in these patients. The ReBIC-1 trial was designed to evaluate the safety and tolerability of withdrawing furosemide in stable, euvolemic, chronic HF outpatients. This multicenter initiative is part of the Brazilian Research Network in Heart Failure (ReBIC) created to develop clinical studies in HF and composed predominantly by university tertiary care hospitals. METHODS: The ReBIC-1 trial is currently enrolling HF patients in NYHA functional class I-II, left ventricular ejection fraction <=45%, without a HF-related hospital admission within the last 6 months, receiving a stable dose of furosemide (40 or 80 mg per day) for at least 6 months. Eligible patients will be randomized to maintain or withdraw furosemide in a double-blinded protocol. The trial has two co-primary outcomes: (1) dyspnea assessment using a visual-analogue scale evaluated at 4 time points and (2) the proportion of patients maintained without diuretics during the follow-up period. Total sample size was calculated to be 220 patients. Enrolled patients will be followed up to 90 days after randomization, and diuretic will be restarted if clinical deterioration or signs of congestion are detected. Pre-defined sub-group analysis based on NT-proBNP levels at baseline is planned. PERSPECTIVE: Evidence-based strategies aiming to simplify HF pharmacotherapy are needed in clinical practice. The ReBIC-1 trial will determine the safety of withdrawing furosemide in stable chronic HF patients. PMID- 29223431 TI - International trends in clinical characteristics and oral anticoagulation treatment for patients with atrial fibrillation: Results from the GARFIELD-AF, ORBIT-AF I, and ORBIT-AF II registries. AB - : Atrial fibrillation (AF) is the most common cardiac arrhythmia in the world. We aimed to provide comprehensive data on international patterns of AF stroke prevention treatment. METHODS: Demographics, comorbidities, and stroke risk of the patients in the GARFIELD-AF (n=51,270), ORBIT-AF I (n=10,132), and ORBIT-AF II (n=11,602) registries were compared (overall N=73,004 from 35 countries). Stroke prevention therapies were assessed among patients with new-onset AF (<=6 weeks). RESULTS: Patients from GARFIELD-AF were less likely to be white (63% vs 89% for ORBIT-AF I and 86% for ORBIT-AF II) or have coronary artery disease (19% vs 36% and 27%), but had similar stroke risk (85% CHA2DS2-VASc >=2 vs 91% and 85%) and lower bleeding risk (11% with HAS-BLED >=3 vs 24% and 15%). Oral anticoagulant use was 46% and 57% for patients with a CHA2DS2-VASc=0 and 69% and 87% for CHA2DS2-VASc >=2 in GARFIELD-AF and ORBIT-AF II, respectively, but with substantial geographic heterogeneity in use of oral anticoagulant (range: 31%-93% [GARFIELD-AF] and 66%-100% [ORBIT-AF II]). Among patients with new-onset AF, non vitamin K antagonist oral anticoagulant use increased over time to 43% in 2016 for GARFIELD-AF and 71% for ORBIT-AF II, whereas use of antiplatelet monotherapy decreased from 36% to 17% (GARFIELD-AF) and 18% to 8% (ORBIT-AF I and II). CONCLUSIONS: Among new-onset AF patients, non-vitamin K antagonist oral anticoagulant use has increased and antiplatelet monotherapy has decreased. However, anticoagulation is used frequently in low-risk patients and inconsistently in those at high risk of stroke. Significant geographic variability in anticoagulation persists and represents an opportunity for improvement. PMID- 29223432 TI - Contemporary risk model for inhospital major bleeding for patients with acute myocardial infarction: The acute coronary treatment and intervention outcomes network (ACTION) registry(r)-Get With The Guidelines (GWTG)(r). AB - BACKGROUND: Major bleeding is a frequent complication for patients with acute myocardial infarction (AMI) and is associated with significant morbidity and mortality. OBJECTIVE: To develop a contemporary model for inhospital major bleeding that can both support clinical decision-making and serve as a foundation for assessing hospital quality. METHODS: An inhospital major bleeding model was developed using the Acute Coronary Treatment and Intervention Outcomes Network Registry-Get With the Guidelines (ACTION Registry-GWTG) database. Patients hospitalized with AMI between January 1, 2012 and December 31, 2013 across 657 hospitals were used to create a derivation cohort (n=144,800) and a validation cohort (n=96,684). Multivariable hierarchal logistic regression was used to identify significant predictors of major bleeding. A simplified risk score was created to enable prospective risk stratification for clinical care. RESULTS: The rate of major bleeding in the overall population was 7.53%. There were 8 significant, independent factors associated with major bleeding: presentation after cardiac arrest (OR 2.99 [2.77-3.22]); presentation in cardiogenic shock (OR 2.22 [2.05-2.40]); STEMI (OR 1.72 [1.65-1.80]); presentation in heart failure (OR 1.55 [1.47-1.63]); baseline hemoglobin less than 12 g/dL (1.55 [1.48-1.63]); heart rate (per 10 beat per minute increase) (OR 1.13 [1.12-1.14]); weight (per 10 kilogram decrease) (OR 1.12 [1.11-1.14]); creatinine clearance (per 5-mL decrease) (OR 1.07 [1.07-1.08]). The model discriminated well in the derivation (C-statistic = 0.74) and validation (C-statistic = 0.74) cohorts. In the validation cohort, a risk score for major bleeding corresponded well with observed bleeding: very low risk (2.2%), low risk (5.1%), moderate risk (10.1%), high risk (16.3%), and very high risk (25.2%). CONCLUSION: The new ACTION Registry-GWTG inhospital major bleeding risk model and risk score offer a robust, parsimonious, and contemporary risk-adjustment method to support clinical decision-making and enable hospital quality assessment. Strategies to mitigate risk should be developed and tested as a means to lower costs and improve outcomes in an era of alternative payment models. PMID- 29223433 TI - Contemporary rates and correlates of statin use and adherence in nondiabetic adults with cardiovascular risk factors: The KP CHAMP study. AB - BACKGROUND: Statin therapy is highly efficacious in the prevention of fatal and nonfatal atherosclerotic events in persons at increased cardiovascular risk. However, its long-term effectiveness in practice depends on a high level of medication adherence by patients. METHODS: We identified nondiabetic adults with cardiovascular risk factors between 2008 and 2010 within a large integrated health care delivery system in Northern California. Through 2013, we examined the use and adherence of newly initiated statin therapy based on data from dispensed prescriptions from outpatient pharmacy databases. RESULTS: Among 209,704 eligible adults, 68,085 (32.5%) initiated statin therapy during the follow-up period, with 90.4% receiving low-potency statins. At 12 and 24 months after initiating statins, 84.3% and 80.2%, respectively, were actively receiving statin therapy, but only 42% and 30%, respectively, had no gaps in treatment during those time periods. There was also minimal switching between statins or use of other lipid lowering therapies for augmentation during follow-up. Age>=50 years, Asian/Pacific Islander race, Hispanic ethnicity, prior myocardial infarction, prior ischemic stroke, hypertension, and baseline low-density lipoprotein cholesterol>100 mg/dL were associated with higher adjusted odds, whereas female gender, black race, current smoking, dementia were associated with lower adjusted odds, of active statin treatment at 12 months after initiation. CONCLUSIONS: There remain opportunities for improving prevention in patients at risk for cardiovascular events. Our study identified certain patient subgroups that may benefit from interventions to enhance medication adherence, particularly by minimizing treatment gaps and discontinuation of statin therapy within the first year of treatment. PMID- 29223434 TI - Durability of quality of life benefits of transcatheter aortic valve replacement: Long-term results from the CoreValve US extreme risk trial. AB - BACKGROUND: For patients with severe aortic stenosis (AS) at extreme surgical risk, transcatheter aortic valve replacement (TAVR) leads to improved survival and health status when compared with medical therapy. Whether the early health status benefits of TAVR in these patients are sustained beyond 1 year of follow up is unknown. METHODS AND RESULTS: Six hundred thirty-nine patients with severe AS at extreme surgical risk underwent TAVR in the CoreValve US Extreme Risk Pivotal trial. Health status was evaluated at baseline and at 1, 6, 12, 24, and 36 months using the Kansas City Cardiomyopathy Questionnaire (KCCQ), the Short Form-12, and the EuroQoL-5D. Analyses were performed using pattern mixture models to account for both death and missing data and were stratified by iliofemoral (IF) and non-iliofemoral (non-IF) access. After TAVR, there was substantial health status improvement in disease-specific and generic scales by 6 to 12 months. Although there were small declines in health status after 12 months, the initial benefits of TAVR were largely sustained through 3 years for both IF and non-IF cohorts (change from baseline in KCCQ Overall Summary score 19.0 points in IF patients and 14.9 points in non-IF patients; P<.01 for both comparisons). Among surviving patients, clinically meaningful (>=10 point) improvements in the KCCQ Overall Summary Score at 3 years were observed in 85.0% and 83.4% of IF and non-IF patients respectively. CONCLUSIONS: Among extreme risk patients with severe AS, TAVR resulted in large initial health status benefits that were sustained through 3-year follow-up. Although late mortality was high in this population, these findings demonstrate that TAVR offers substantial and durable health status improvements for surviving patients. PMID- 29223436 TI - Predictors of high cost after percutaneous coronary intervention: A review from Japanese multicenter registry overviewing the influence of procedural complications. AB - BACKGROUND: Percutaneous coronary intervention (PCI) is widely used; however, factors of high-cost care after PCI have not been thoroughly investigated. We sought to evaluate the in-hospital costs related to PCI and identify predictors of high costs. METHODS: We extracted 2,354 consecutive PCI cases (1,243 acute cases, 52.8%) from 3 Japanese cardiovascular centers from 2011 to 2015. In hospital complications were predefined under consensus definitions (eg, acute kidney injury [AKI]). We extracted the facility cost data for each patient's resource under the universal Japanese insurance system. We classified the patients into total cost quartiles and identified predictors for the highest quartile ("high-cost" group). In addition, incremental costs for procedure related complications were calculated. RESULTS: During the study period, a total of 401 cases (17.0%) experienced procedure-related complications. The in-hospital acute and elective PCI costs per case were US $14,840 (interquartile range [IQR] 11,370-20,070) and US $11,030 (IQR 8929-14,670), respectively. After adjusting for baseline differences, any of the procedure-related complications remained an independent predictor of high costs (acute: odds ratio 1.66, 95% CIs 1.13-2.43; elective: odds ratio 3.73, 95% CIs 1.96-7.11). Notably, incremental costs were mainly attributed to AKI, which accounted for 37.5% of all incremental costs; it increased by US $9,840 for each AKI event, and the total cost increase reached US $2,588,035. CONCLUSIONS: Procedure-related complications, particularly postprocedural AKI, were associated with higher costs in PCI. Further studies are required to evaluate prospectively whether the preventive strategy with a personalized risk stratification for AKI could save costs. PMID- 29223435 TI - Atrial fibrillation decision support tool: Population perspective. AB - BACKGROUND: Appropriate thromboprophylaxis for patients with atrial fibrillation or atrial flutter (AF) remains a national challenge. The recent availability of direct oral anticoagulants (DOACs) with comparable efficacy and improved safety compared with warfarin alters the balance between risk factors for stroke and benefit of anticoagulation. Our objective was to examine the impact of DOACs as an alternative to warfarin on the net benefit of oral anticoagulant therapy (OAT) in a real-world population of AF patients. METHODS: This is a retrospective cohort study of patients with paroxysmal or persistent nonvalvular AF. We updated an Atrial Fibrillation Decision Support Tool (AFDST) to include DOACs as treatment options. The tool generates patient-specific recommendations based upon individual patient risk factor profiles for stroke and major bleeding using quality-adjusted life-years (QALYs) calculated for each treatment strategy by a decision analytic model. The setting included inpatient and ambulatory sites in an academic health center in the midwestern United States. The study involved 5,121 adults with nonvalvular AF seen for any ambulatory visit or inpatient hospitalization over the 1-year period (January through December 2016). Outcome measure was net clinical benefit in QALYs. RESULTS: When DOACs are a therapeutic option, the AFDST recommends OAT for 4,134 (81%) patients and no antithrombotic therapy or aspirin for 489 (9%). A strong recommendation for OAT could not be made in 498 (10%) patients. When warfarin is the only option, OAT is recommended for 3,228 (63%) patients and no antithrombotic therapy or aspirin for 973 (19%). A strong recommendation for OAT could not be made in 920 (18%) patients. In total, 1,508 QALYs could be gained if treatment were changed to that recommended by the AFDST. CONCLUSIONS: Availability of DOACs increases the proportion of patients for whom oral anticoagulation therapy is recommended in a real-world cohort of AF patients and increased projected QALYs by more than 1,500 when all patients are receiving thromboprophylaxis as recommended by the AFDST compared with current treatment. PMID- 29223437 TI - Outcomes in elderly and young patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention with bivalirudin versus heparin: Pooled analysis from the EUROMAX and HORIZONS-AMI trials. AB - BACKGROUND: Since older age is a strong predictor of not only bleeding but also of ischemic events, understanding the risk:benefit profile of bivalirudin in the elderly undergoing primary percutaneous coronary intervention (pPCI) for ST segment elevation (STEMI) is important. For this, we aim to compare elderly with young patients, who all underwent pPCI for STEMI and randomly received either bivalirudin or heparin. METHODS: We performed a patient-level pooled analysis (n=5800) of two large randomized trials. A total of 2149 (37.1%) elderly patients (>65 years of age) with STEMI were enrolled and randomly assigned to either bivalirudin or heparin with or without a GPI (control group) before pPCI. Clinical outcomes at 30 days were analyzed. RESULTS: In elderly patients, bivalirudin significantly reduced non-CABG major bleeding (7.1% vs 10.4%; P<.01), subacute ST (0.4% vs 1.5%; P<.01), and net adverse clinical events (NACE; composite of all-cause mortality, reinfarction, IDR, stroke or protocol-defined non-CABG major bleeding [13.7% vs 17.2%; P=.03]) with comparable rates of stroke, MI, acute ST, or all-cause death, when compared with heparin with or without GPI. CONCLUSIONS: In a large group of elderly patients enrolled in the EUROMAX and HORIZONS-AMI trials, bivalirudin was associated with lower 30-day rates of non CABG major bleeding, subacute ST and NACE, with similar 30-day rates of acute ST and mortality. PMID- 29223438 TI - "Bringing on the light" in a complex clinical scenario: Optical coherence tomography-guided discontinuation of antiplatelet therapy in cancer patients with coronary artery disease (PROTECT-OCT registry). AB - BACKGROUND: Cancer patients with recently placed drug-eluting stents (DESs) often require premature dual antiplatelet therapy (DAPT) discontinuation for cancer related procedures. Optical coherence tomography (OCT) can identify risk factors for stent thrombosis such as stent malapposition, incomplete strut coverage and in-stent restenosis and may help guide discontinuation of DAPT. METHODS: We conducted a single-center prospective study in cancer patients with recently placed (1-12 months) DES who required premature DAPT discontinuation. Patients were evaluated with diagnostic coronary angiogram and OCT. Individuals with appropriate stent strut coverage, expansion, apposition, and absence of in-stent restenosis or intraluminal masses were considered low risk and transiently discontinued DAPT to allow optimal cancer therapy. Patients who did not meet all these criteria were considered high risk and underwent further endovascular treatment when appropriate and bridging with low-molecular weight heparin. The incidence of adverse cardiovascular events was assessed after the procedure and at 12 months. RESULTS: A total of 40 patients were included. Twenty-seven patients (68%) were considered low risk by OCT criteria and DAPT was transiently discontinued. Thirteen patients (32%) were considered high risk with one or more OCT findings: uncovered stent struts (4 patients, 10%); stent underexpansion (3 patients, 8%); malapposition (8 patients, 20%); in-stent restenosis (2 patients, 5%). The high-risk patients with uncovered stent struts and malapposition underwent additional stent dilatation. There were no cardiovascular events in the low-risk group. One myocardial infarction occurred in the high-risk group. Fourteen non-cardiac deaths were registered before 12 months due to cancer progression or cancer therapy. CONCLUSION: OCT imaging allows identification of low-risk cancer patients with DES placed who may safely discontinue DAPT and proceed with cancer-related surgery or procedures. PMID- 29223439 TI - A unique linkage of administrative and clinical registry databases to expand analytic possibilities in pediatric heart transplantation research. AB - BACKGROUND: Large clinical, research, and administrative databases are increasingly utilized to facilitate pediatric heart transplant (HTx) research. Linking databases has proven to be a robust strategy across multiple disciplines to expand the possible analyses that can be performed while leveraging the strengths of each dataset. We describe a unique linkage of the Scientific Registry of Transplant Recipients (SRTR) database and the Pediatric Health Information System (PHIS) administrative database to provide a platform to assess resource utilization in pediatric HTx. METHODS: All pediatric patients (1999 2016) who underwent HTx at a hospital enrolled in the PHIS database were identified. A linkage was performed between the SRTR and PHIS databases in a stepwise approach using indirect identifiers. To determine the feasibility of using these linked data to assess resource utilization, total and post-HTx hospital costs were assessed. RESULTS: A total of 3188 unique transplants were identified as being present in both databases and amenable to linkage. Linkage of SRTR and PHIS data was successful in 3057 (95.9%) patients, of whom 2896 (90.8%) had complete cost data. Median total and post-HTx hospital costs were $518,906 (IQR $324,199-$889,738), and $334,490 (IQR $235,506-$498,803) respectively with significant differences based on patient demographics and clinical characteristics at HTx. CONCLUSIONS: Linkage of the SRTR and PHIS databases is feasible and provides an invaluable tool to assess resource utilization. Our analysis provides contemporary cost data for pediatric HTx from the largest US sample reported to date. It also provides a platform for expanded analyses in the pediatric HTx population. PMID- 29223440 TI - Outcomes of cardiac pacing in adult patients after a Fontan operation. AB - BACKGROUND: Cardiac pacing can be challenging after a Fontan operation, and limited data exist regarding pacing in adult Fontan patients. The objectives of our study were to determine risk factors for pacing and occurrence of device related complications (DRCs) and pacemaker reinterventions. METHODS: We performed a retrospective review of Fontan patients from 1994 through 2014. We defined DRCs as lead failure, lead recall, cardiac perforation, lead thrombus/vegetation, or device-related infection, and cardiovascular adverse events (CAEs) as venous thrombosis, stroke, death, or heart transplant. Pacemaker reintervention was defined as lead failure or recall. RESULTS: Of 439 patients, 166 (38%) had pacemakers implanted (79 during childhood; 87, adulthood); 114 patients (69%) received epicardial leads initially, and 52 (31%), endocardial leads. Pacing was initially atrial in 52 patients (31%); ventricular, 30 (18%); or dual chamber, 84 (51%). There were 37 reinterventions (1.9% per year) and 48 DRCs (2.4% per year). Pacemaker implantation during childhood was a risk factor for DRCs (hazard ratio, 2.01 [CI, 1.22-5.63]; P = .03). There were 70 CAEs (venous thrombosis, 5; stroke, 11; transplant, 8; and death, 46), yielding a rate of 3.5% per year. DRCs, CAEs, and reintervention rates were comparable for patients with epicardial or endocardial leads. CONCLUSIONS: More than one-third of adult Fontan patients referred to Mayo Clinic had pacemaker implantation. Epicardial leads were associated with high rate of pacemaker reinterventions but similar DRC rates in comparison to endocardial leads. PMID- 29223441 TI - Edoxaban for the management of elderly Japanese patients with atrial fibrillation ineligible for standard oral anticoagulant therapies: Rationale and design of the ELDERCARE-AF study. AB - Edoxaban-a non-vitamin K antagonist oral anticoagulant (NOAC)- 60-mg and 30-mg once-daily dose regimens are noninferior versus well-managed warfarin for the prevention of stroke or systemic embolic events (SEE) with less major bleeding in patients with nonvalvular atrial fibrillation (NVAF). There are no published data from phase 3 clinical trials specifically evaluating the use of NOACs in elderly NVAF patients, especially those considered ineligible for available oral anticoagulants. The Edoxaban Low-Dose for EldeR CARE AF patients (ELDERCARE-AF) study is a phase 3, randomized, double-blind, placebo-controlled, parallel-group, multicenter study that will compare the safety and efficacy of once-daily edoxaban 15 mg versus placebo in Japanese patients with NVAF >=80 years of age who are considered ineligible for standard oral anticoagulant therapy. A total of 800 patients (400 in each treatment group) are planned for randomization (1:1) to either edoxaban or placebo using a stratified randomization method with CHADS2 index score (2 points, >=3 points) as a factor. The primary efficacy end point is the time to first onset of stroke or SEE. The net clinical outcome is the composite of stroke, SEE, major bleeding, and all-cause mortality. The primary safety end point is the incidence of major bleeding. The treatment period will continue until 65 patients with the primary efficacy events (ie, stroke or SEE) have been observed (2- to 2.5-year expected mean treatment period). The results of ELDERCARE-AF may provide clarity as to the efficacy and safety of edoxaban for the prevention of stroke or SEE in this high-risk population. PMID- 29223442 TI - Exosomes derived from imatinib-resistant chronic myeloid leukemia cells mediate a horizontal transfer of drug-resistant trait by delivering miR-365. AB - Chronic myeloid leukemia (CML) is a malignant disorder of hematopoietic stem/progenitor cells. Majority of patients can be effectively treated with tyrosine kinase inhibitors (TKIs) such as imatinib, but a portion of patients will develop drug resistance. Accumulated evidences have identified exosomes in cancer as promoters of tumor progression. Herein, we found that exosomes derived from imatinib resistant CML cells can be internalized into sensitive CML cells and confer drug-resistance traits. We also demonstrated a significant higher level of miR-365 in exosomes derived from drug-resistant CML cells compared with those from sensitive ones using microarray and qRT-PCR. The imatinib sensitive CML cells transfected with pre-miR-365 displayed lower chemosensitivity and apoptosis rate compared with controls. We further confirmed that exosomal transfer of miR-365 induced drug resistance by inhibiting expression of pro apoptosis protein in sensitive CML cells. In conclusion, our study reveals that exosomes mediate a horizontal transfer of drug-resistant trait in chronic myeloid leukemia cell by delivering miR-365. PMID- 29223443 TI - Response to Pioglitazone in Patients With Nonalcoholic Steatohepatitis With vs Without Type 2 Diabetes. AB - BACKGROUND & AIMS: Pioglitazone is effective for long-term treatment of patients with nonalcoholic steatohepatitis (NASH) with prediabetes or type 2 diabetes. However, it is not clear how the presence of type 2 diabetes affects the drug's efficacy. We compared metabolic and histologic responses to pioglitazone in patients with NASH and prediabetes vs type 2 diabetes. METHODS: We performed a prospective study of adults with biopsy-proven NASH (52 with type 2 diabetes and 49 with prediabetes), enrolled from the general population of San Antonio, Texas, from 2008 through 2014. After a run-in period of approximately 4 weeks, when all baseline measurements were made (liver magnetic resonance proton spectroscopy, euglycemic insulin clamp with glucose turnover measurements, dual-energy absorptiometry, and liver biopsy), subjects were randomly assigned to groups given pioglitazone or placebo (45 mg/d) for 18 months; all procedures performed at baseline were then repeated. The primary outcome was a reduction in nonalcoholic fatty liver disease activity score of 2 points or more (for at least 2 components) without worsening of fibrosis (and expressed as difference vs placebo). Secondary outcomes included NASH resolution, individual histologic components, intrahepatic triglyceride content (measured by 1H magnetic resonance spectroscopy), and insulin sensitivity (measured by euglycemic insulin clamp). RESULTS: The primary outcome was met by 48% of patients with type 2 diabetes vs 46% without diabetes. Resolution of NASH was achieved in 44% of patients with type 2 diabetes vs 26% without diabetes. A significant reduction in fibrosis, from baseline, was observed only in patients with type 2 diabetes (P = .035). Intrahepatic triglyceride content was reduced by 11% +/- 2% in patients with diabetes vs a reduction of 9% +/- 2% in patients without diabetes (P = .62); the plasma level of alanine aminotransferase was reduced by 50 +/- 10 U/L in patients with diabetes vs a reduction of 36 +/- 5 U/L in patients without diabetes (P = .22). Pioglitazone was associated with a significantly greater insulin sensitivity in adipose tissue of patients with diabetes vs without diabetes (P < .001), but nonsignificant differences in responses in hepatic (P = .49) and skeletal muscle (P = .32) insulin sensitivity. CONCLUSIONS: In a prospective study, we found pioglitazone to be effective in patients with and without type 2 diabetes. However, pioglitazone reduced liver fibrosis and increased adipose tissue insulin sensitivity at significantly greater levels in patients with type 2 diabetes than in patients with prediabetes. Further studies are needed to determine the mechanisms by which pioglitazone reduces liver disease in patients with type 2 diabetes. ClinicalTrials.gov: NCT00994682. PMID- 29223444 TI - Association of Vedolizumab Level, Anti-Drug Antibodies, and alpha4beta7 Occupancy With Response in Patients With Inflammatory Bowel Diseases. AB - BACKGROUND & AIMS: There are few data available on the real-life pharmacokinetic and pharmacodynamics features of vedolizumab, a monoclonal antibody against integrin alpha4beta7. We performed a prospective study of patients with inflammatory bowel diseases (IBDs) treated with vedolizumab to determine serum drug concentrations, formation of antivedolizumab antibodies (AVAs), and integrin alpha4beta7 saturation. METHODS: We performed a prospective study of 106 patients with IBD (67 with Crohn's disease and 39 with ulcerative colitis) treated with vedolizumab from September 2014 through March 2017 at 2 tertiary medical centers in Israel. Clinical data and serum samples were collected before and during induction and maintenance therapy. Clinical remission was defined as Harvey Bradshaw index scores below 5 or as Simple Clinical Colitis Activity Index scores of 3 or less. We measured serum levels of vedolizumab, AVAs, and markers of inflammation. Peripheral blood mononuclear cells were obtained from some patients at designated trough time points and CD3+ CD45RO+ T cells were isolated from 36 samples. Cells were incubated with fluorescent-conjugated vedolizumab and flow cytometry was used to quantify alpha4beta7 integrin saturation. We also performed flow cytometry analyses of CD3+ CD45RO+ lamina propria T cells isolated from intestinal mucosa of patients without IBD (non-IBD controls, n = 6), patients with IBD not treated with vedolizumab (untreated IBD controls, n = 8), and patients with IBD treated with vedolizumab (n = 15). RESULTS: Clinical remission was achieved by 48 of 106 patients (45%) by week 6 and 50 of 106 patients (48%) by week 14 of treatment. The median level of vedolizumab at week 6 was higher in patients in clinical remission (40.2 MUg/mL) than in patients with active disease (29.7 MUg/mL; P = .05). The median serum level of vedolizumab was significantly higher in patients with a normal level of C-reactive protein (21.8 MUg/mL vedolizumab) vs the level in those with a high level of C-reactive protein (11.9 MUg/mL vedolizumab) during maintenance treatment (P = .0006). The other clinical outcomes measured were not associated with median serum level of vedolizumab at any time point examined. AVAs were detected in 17% of patients during induction therapy and 3% of patients during maintenance therapy, but did not correlate with clinical outcomes. Flow-cytometry analysis of peripheral blood memory T cells (n = 36) showed near-complete occupancy of alpha4beta7 integrin at weeks 2 and 14 and during the maintenance phase, regardless of response status or drug levels. Most intestinal CD3+CD45RO+ memory T cells of healthy and IBD controls expressed alpha4beta7 (72%; interquartile range, 56%-81%). In contrast, free alpha4beta7 was detectable on only 5.6% of intestinal memory cells (interquartile range, 4.4% 11.2%) (P < .0001) from vedolizumab-treated patients, regardless of response. CONCLUSIONS: In a prospective study of real-life patients with IBD, we associated vedolizumab drug levels with remission and inflammatory marker level. Integrin alpha4beta7 was blocked in almost all T cells from patients treated with vedolizumab, regardless of serum level of the drug or response to treatment. These findings indicate a need to explore alternative mechanisms that prevent response to vedolizumab. PMID- 29223445 TI - Brucella infection following total joint arthroplasty: A systematic review of the literature. AB - INTRODUCTION: The aim of this systematic review was to analyze the results of published treatment options in Brucella infection following total joint arthroplasty (TJA). METHODS: We performed a systematic review of the literature regarding outcomes of Brucella infection after TJA (hip and knee). We searched multiple databases for articles in the area published from 1950 to 2016. RESULTS: A total of 18 patients (12 male and 6 female; mean age 59 years) from 14 published studies were identified. The minimum follow-up time was 6 months (range, 6-120 months). Seven patients were treated with debridement or antibrucella treatment only. Eleven patients (61%) underwent removal of the prosthesis and were treated with one or two-stage exchange arthroplasty. The mean duration of antibiotic therapy was 5.8 months. There was no relapse of infection. CONCLUSIONS: In the absence of loosening of the components of the prosthesis, an attempt to treat Brucella infection medically might be a reasonable choice. One or two-stage exchange arthroplasty could provide successful results without relapse of infection when combined with appropriate antibiotherapy. LEVEL OF EVIDENCE: Level III, therapeutic study. PMID- 29223446 TI - Structural and functional conservation of cis-acting RNA elements in coronavirus 5'-terminal genome regions. AB - Structure predictions suggest a partial conservation of RNA structure elements in coronavirus terminal genome regions. Here, we determined the structures of stem loops (SL) 1 and 2 of two alphacoronaviruses, human coronavirus (HCoV) 229E and NL63, by RNA structure probing and studied the functional relevance of these putative cis-acting elements. HCoV-229E SL1 and SL2 mutants generated by reverse genetics were used to study the effects on viral replication of single-nucleotide substitutions predicted to destabilize the SL1 and SL2 structures. The data provide conclusive evidence for the critical role of SL1 and SL2 in HCoV-229E replication and, in some cases, revealed parallels with previously characterized betacoronavirus SL1 and SL2 elements. Also, we were able to rescue viable HCoV 229E mutants carrying replacements of SL2 with equivalent betacoronavirus structural elements. The data obtained in this study reveal a remarkable degree of structural and functional conservation of 5'-terminal RNA structural elements across coronavirus genus boundaries. PMID- 29223447 TI - Clinical, laboratory and imaging findings in Castleman's disease - The subtype decides. AB - Castleman's disease (CD) is a rare lymphoproliferative disorder with its distinct unicentric (uCD) and multicentric (mCD) entities. The present work aimed at characterizing CD in more detail. From the 775 articles found by a PubMed search, 1133 cases were extracted. Two own cases were included. UCD was identified in 719 (42% males) and mCD in 416 (63% males) cases. Age in uCD was 34+/-17 and in mCD 48+/-18years. The hyaline-vascular type predominated in uCD and the plasma cell type in mCD. Clinical symptoms were more common in mCD. The head and neck region was most frequently affected in uCD and the axillary region in mCD. Prevalence of human immunodeficiency virus (HIV) and human herpesvirus-8 (HHV-8) positivity was higher in mCD. In CT scans, high contrast enhancement and calcifications were more frequent in uCD (all p<0.0001). The two forms of CD not only differ markedly in their clinical, laboratory and imaging findings, but also in treatment response and prognosis. PMID- 29223448 TI - Understanding the reality of parental alienation. PMID- 29223449 TI - Anti HSV-2 activity of Peganum harmala (L.) and isolation of the active compound. AB - Genital herpes is a sexually transmitted disease caused by herpes simplex virus type 2 (HSV-2). Nucleoside analogues such as acyclovir (ACV) are the usual therapy for treating HSV infection. However, the overuse of this drug has led to the emergence of resistant strains. Therefore, the search for new alternative or complementary molecules to overcome this obstacle is needed. In this objective, Peganum harmala was investigated for its HSV-2 activity. The organic extracts of the different plant organs were evaluated for their cytotoxicity on Vero cells by the MTT test and anti HSV-2 activity by plaque reduction assay. Only the methanol seeds extract was active with a 50% inhibitory concentration (IC50) and a selectivity index (SI) of 161 and 13.2 MUg/mL, respectively. In addition, the study of the antiviral mode of action revealed that this extract exerts a virucidal action both during the entry of viruses and the release of the newly formed virions, whereas no cell protection effect was observed. The active compound was isolated by bio-guided purification using thin layer chromatography (TLC) and identified by GC-MS and HPLC-DAD-ESI-MSn as harmine. The combination of harmine standard compound with ACV showed a combination index (CI) of 0.5 indicating that these two compounds have a synergic effect. This data suggests that harmine could be associated to ACV to improve the treatment of genital herpes essentially for the immunocompromised patients. PMID- 29223450 TI - Pesticide degrading natural multidrug resistance bacterial flora. AB - Multidrug-resistant (MDR) bacteria are a growing threat to humans across the world. Antibiotic resistance is a global problem that has developed through continuous antibiotic use, combinatorial antibiotic use, pesticide-antibiotic cross-resistance, and horizontal gene transfer, as well as various other modes. Pesticide-antibiotic cross-resistance and the subsequent expansion of drug resistant bacteria are critically documented in this review, the primary focus of which is to assess the impact of indiscriminate pesticide use on the development of microbial communities with parallel pesticide and multidrug resistance. The consumption of pesticide-contaminated food products and the use of broad-spectrum antibiotics by humans and in livestock animals have favored the development of both antibiotic and pesticide-resistant bacterial flora via natural selection. Pesticide resistance mainly develops through defensive bacterial adaptations such as biofilm formation, induced mutations, and horizontal/vertical gene transfer through plasmids or transposons, as well as through the increased expression of certain hydrolytic enzymes. Pesticide resistance genes are always transferred as gene clusters, and they may also carry genes essential for antibiotic resistance. Moreover, for some induced mutations, the mutated active site of the affected enzyme may allow degradation of both pesticides and antibiotics, resulting in cross-resistance. A few studies have shown that the sub-lethal exposure of wild type strains to herbicides induces antibiotic resistance. This review concludes that xenobiotic exposure leads to cross-resistance in wild microbial flora, which requires further study to develop therapeutic approaches to overcome the threats of MDR bacteria and superbugs. PMID- 29223451 TI - Mineralization in newborn calves contributes to health, improve the antioxidant system and reduces bacterial infections. AB - The first phase of life of dairy calves has elevated mortality indices linked with low immunity and sanitary challenges, mainly bacterial infections are involved in the pathogenesis of diarrhea, the leading cause of death. Also, other important problem is the nutritional deficiencies, such as the mineral deficiency. Thus, the aim of this study was to evaluate whether an intramuscular mineral supplementation based on selenium, copper, potassium, magnesium and phosphorus possess beneficial effects on health of dairy calves. For this, ten calves were divided in two groups: the group A was supplemented with injectable mineral, while the group B was used as control group (without mineral supplementation). The mineral complex was administrated via intramuscularly at dose of 3 mL/animal on days 2 and 14 post-birth. The total blood was collected on days 2, 10, 20 and 30 of life of animals in order to analyze the antioxidant enzymes (catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GPx)), blood count and seric biochemistry linked with proteic, lipid and carbohydrate metabolism. Feces samples were also collected on days 10, 20 and 30 of life of animals to perform the total bacterial count, parasitological exam and fecal consistency score. Moreover, the weight and corporal temperature were also evaluated. The mineral supplementation presented beneficial properties to calves from birth to the 30th of life through the increase on activity of antioxidant enzymes, improvement of immunity, and avoiding problems linked with diarrhea and anemia, can be considered an interesting approach to prevent these alterations linked with high mortality in the period of life. PMID- 29223452 TI - Antimicrobial activity of Bulbothrix setschwanensis (Zahlbr.) Hale lichen by cell wall disruption of Staphylococcus aureus and Cryptococcus neoformans. AB - In the present study, antimicrobial activity of a common Himalayan lichen viz. Bulbothrix setschwanensis (Zahlbr.) Hale extract in three common solvents (acetone, chloroform and methanol) was evaluated against six bacterial and seven fungal clinical strains. The acetone extract showed promising antimicrobial activity against S. aureus (1.56 mg/mL) and C. neoformans (6.25 mg/mL). Further, GC-MS analysis revealed 2,3-bis(2-methylpentanoyloxy)propyl 2-methylpentanoate and Ethyl 2-[(2R,3R,4aR,8aS)-3-hydroxy-2,3,4,4a,6,7,8,8a-octahydropyrano [3,2 b]pyran-2-yl]acetate as the predominant compounds. The combination of acetone extract with antibacterial drugs [kanamycin (KAN), rifampicin (RIF)] and antifungal drugs [amphotericin B (Amp B) and fluconazole (FLC)] showed lysis of S. aureus and C. neoformans at non-inhibitory concentration (FICI values were 0.31 for KAN, 0.18 for RIF, 0.37 for Amp B and 0.30 for FLC, respectively). Notably, the acetone extract confirmed cell wall damage of both S. aureus and C. neoformans cells and was clearly visualized under scanning electron microscopy (SEM), flow cytometry and confocal microscopy. Besides this, the three extracts also have less significant cytotoxic activity at MIC concentrations against mammalian cells (HEK-293 and HeLa). This study for the first time suggests that the chemical compounds present in the acetone extract of B. setschwanensis could be used against S. aureus and C. neoformans infections. PMID- 29223453 TI - HBV reactivation in rheumatic diseases patients under therapy: A meta-analysis. AB - BACKGROUND: Hepatitis B is one of the most common infectious diseases worldwide. In patients undergoing immunosuppressive therapy such as rheumatic diseases, reactivation of hepatitis B virus (HBV) is considered clinically important. This systematic review and meta-analysis were performed to determine the prevalence rate of HBV reactivation in rheumatic patients from different parts of the world. METHODS: The authors performed a systematic literature review from several reliable databases including Scopus, ISI Web of Science and PubMed. Furthermore, the keywords of this research were "Hepatitis B virus", "Rheumatic diseases", "HBV reactivation", "Anti-TNF", "DMARDs" and "Biologic agents". RESULTS: The authors selected 30 studies out of 983 for the present review. The overall estimation of the prevalence of HBV reactivation was 1.4 (95% confidence interval (CI): 1.3-1.6). Also, the heterogeneity in estimating the pooled prevalence among the studies was shown; Cochran Q test, P < 0.001, I2 = 99.9%. It should be noted that max and min reactivation rate of HBV were in Italy and France respectively. CONCLUSIONS: Rheumatic disease patients with resolved hepatitis B should be tightly monitored for possible HBV reactivation by elevation of liver enzymes and HBV DNA levels. PMID- 29223454 TI - Preparation, characterization and immunological evaluation of alginate nanoparticles loaded with whole inactivated influenza virus: Dry powder formulation for nasal immunization in rabbits. AB - It has become important to explore more efficient and feasible influenza vaccines, since epidemics of influenza virus cause hundreds of thousands of deaths all around the world. Improving immunogenicity of parentral influenza vaccines has given rise to mucosal delivery routes. In this study, alginate nanoparticles (NPs) were efficiently synthetized by ionic gelation method and influenza virus and CpG ODN or Quillaja Saponin (QS) adjuvants were actively incorporated into alginate NPs. The prepared particles were evaluated for both humoral and cellular immune responses in rabbits' nostrils. The vaccination started with a prime dose and followed by three boosters (two intranasal (IN) on days 45 and 60 and the last dose, intramuscular (IM) on day 75). HAI titer had increased in all the samples; although, only in the group received WV + CPG suspension reached to the protective HAI titer. All the immunized rabbits elicited significantly high sIgA levels on day 75, compared to the negative and the IM groups. At the end of the study, IN administration of CpG ODN adjuvant with virus antigen induced higher IgG level than the groups vaccinated with alginate NPs with or without CpG ODN (P < 0.001). As for the cellular immunity, CpG ODN was capable of inducing significant levels of IL-4 and TNF-alpha, either through inoculation along with the virus suspension or as incorporated in alginate NPs. According to the obtained data, CpG ODN adjuvant showed higher immunogenic potential as part of a vaccine delivery system than QS. Moreover, applying alginate polymer as a nasal delivery system carrier was not deemed immunogenic against influenza whole virus. PMID- 29223455 TI - Recyclable colorimetric sensor of Cr3+ and Pb2+ ions simultaneously using a zwitterionic amino acid modified gold nanoparticles. AB - In this work, a rapid, simple and sensitive colorimetric sensor for simultaneous (or respective) detection of Cr3+ and Pb2+ using tyrosine functionalized gold nanoparticles (AuNPsTyr) has been developed. Tyrosine, a natural and zwitterionic amino acid, could be as a reducing and capping agent to synthesise AuNPs and allow for the simultaneous and selective detection of Cr3+ and Pb2+. Upon the addition of Cr3+ or Pb2+ (a combination of them), the color of AuNPsTyr solution changes from red to blue grey and the characteristic surface plasmon resonance (SPR) band is red-shifted to 580nm due to the aggregation of AuNPs. Interestingly, the aggregated AuNPsTyr can be regnerated and recycled by removing Pb2+ and Cr3+. Even after 3 rounds, AuNPsTyr show almost the same A580nm/A520nm value for the assays of Pb2+ and Cr3+, indicating the good recyclability of the colorimetric sensor. The responding time (within 1min) and sensitivity of the colorimetric sensor are largely improved after the addition of 0.1M NaCl. Moreover, the AuNPsTyr aggregated by Cr3+ or Pb2+ (a combination of them) show excellent selectivity compared to other metal ions (Cr3+, Pb2+, Fe2+,Cu2+,Zn2+,Cr6+,Ni2+,Co2+,Hg2+,Mn2+,Mg2+,Ca2+,Cd2+). More importantly, the developed sensor manifests good stability at room temperature for 3months, which has been successfully used to determine Cr3+ and Pb2+ in the real water samples with a high sensitivity. PMID- 29223456 TI - Simplex optimization of the variables influencing the determination of pefloxacin by time-resolved chemiluminescence. AB - A new chemiluminescence (CL) detection system combined with flow injection analysis (FIA) for the determination of Pefloxacin is proposed. The determination is based on an energy transfer from Pefloxacin to terbium (III). The metal ion enhances the weak CL signal produced by the KMnO4/H2SO3/Pefloxacin system. A modified simplex method was used to optimize chemical and instrumental variables. The influence of the interaction of the permanganate, Tb (III), sodium sulphite and sulphuric acid concentrations, flow rate and injected sample volume was thoroughly investigated by using a modified simplex optimization procedure. The results revealed a strong direct relationship between flow rate and CL intensity throughout the studied range that was confirmed by a gamma test. The response factor for the CL emission intensity was used to assess performance in order to identify the optimum conditions for maximization of the response. Under such conditions, the CL response was proportional to the Pefloxacin concentration over a wide range. The detection limit as calculated according to Clayton's criterion 13.7MUgL-1. The analyte was successfully determined in milk samples with an average recovery of 100.6+/-9.8%. PMID- 29223457 TI - Adsorption behavior and mechanism of acidic blue 25 dye onto cucurbit[8]uril: A spectral and DFT study. AB - The acidic blue 25 (AB25) dye was efficiently adsorbed by CB [8]; the saturated adsorption capacity (qexp) reached 434.8mg/g and was far higher than those of previous reported adsorbents. The Langmuir and Freundich isotherms were used to fit the equilibrium data, and the results showed that the Freundlich isotherm seemed to agree better with the AB25 adsorption. The adsorption kinetics followed the pseudo-second-order model. Calculated thermodynamic parameters showed that the adsorption of AB25 onto CB [8] was a spontaneous and enthalpy-driven process. The adsorption mechanism was explored by N2 adsorption-desorption, TG, FT-IR, UV vis as well as MD simulation and DFT calculations. TG analysis revealed that a new inclusion complex was produced, and FT-IR,UV-vis spectrum and DFT calculations verify its structure. In this inclusion complex, the AB25 dye molecule inserted into cavities of CB [8] from portal, and the sulfonate and phenyl groups stayed in the hydrophobic cavity. TDDFT calculations indicated that all excitation arisen from pi->pi* transition. PMID- 29223458 TI - Determination of zinc oxide content of mineral medicine calamine using near infrared spectroscopy based on MIV and BP-ANN algorithm. AB - Near-infrared (NIR) spectroscopy has been widely used in the analysis fields of traditional Chinese medicine. It has the advantages of fast analysis, no damage to samples and no pollution. In this research, a fast quantitative model for zinc oxide (ZnO) content in mineral medicine calamine was explored based on NIR spectroscopy. NIR spectra of 57 batches of calamine samples were collected and the first derivative (FD) method was adopted for conducting spectral pretreatment. The content of ZnO in calamine sample was determined using ethylenediaminetetraacetic acid (EDTA) titration and taken as reference value of NIR spectroscopy. 57 batches of calamine samples were categorized into calibration and prediction set using the Kennard-Stone (K-S) algorithm. Firstly, in the calibration set, to calculate the correlation coefficient (r) between the absorbance value and the ZnO content of corresponding samples at each wave number. Next, according to the square correlation coefficient (r2) value to obtain the top 50 wave numbers to compose the characteristic spectral bands (4081.8-4096.3, 4188.9-4274.7, 4335.4, 4763.6,4794.4-4802.1, 4809.9, 4817.6 4875.4cm-1), which were used to establish the quantitative model of ZnO content using back propagation artificial neural network (BP-ANN) algorithm. Then, the 50 wave numbers were operated by the mean impact value (MIV) algorithm to choose wave numbers whose absolute value of MIV greater than or equal to 25, to obtain the optimal characteristic spectral bands (4875.4-4836.9, 4223.6-4080.9cm-1). And then, both internal cross and external validation were used to screen the number of hidden layer nodes of BP-ANN. Finally, the number 4 of hidden layer nodes was chosen as the best. At last, the BP-ANN model was found to enjoy a high accuracy and strong forecasting capacity for analyzing ZnO content in calamine samples ranging within 42.05-69.98%, with relative mean square error of cross validation (RMSECV) of 1.66% and coefficient of determination (R2) of 95.75% in internal cross and relative mean square error of prediction (RMSEP) of 1.98%, R2 of 97.94% and ratio of performance to deviation (RPD) of 6.11 in external validation. PMID- 29223459 TI - Synthesis and studies of axial chiral bisbenzocoumarins: Aggregation-induced emission enhancement properties and aggregation-annihilation circular dichroism effects. AB - Axial chiral bisbenzocoumarins were synthesized for the first time by converting naphthanol units in 1,1'-binaphthol (BINOL) molecule to the benzocoumarin rings. The substitute groups on 3,3'-positions of bisbenzocoumarins showed significant influence on their aggregation-induced emission enhancement (AEE) properties. It was also found that BBzC1 with ester groups on 3,3'-positions exhibit an abnormal aggregation-annihilation circular dichroism (AACD) phenomenon, which could be caused by the decrease of the dihedral angle between adjacent benzocoumarin rings in the aggregation state. The single crystal structure of BBzC1 showed that the large dihedral angle in molecule prohibited the strong pi-pi stacking interactions, which could be main factors for its AEE properties. PMID- 29223460 TI - Investigation of anticancer properties of caffeinated complexes via computational chemistry methods. AB - Computational investigations were performed for 1,3,7-trimethylpurine-2,6-dione, 3,7-dimethylpurine-2,6-dione, their Ru(II) and Os(III) complexes. B3LYP/6 311++G(d,p)(LANL2DZ) level was used in numerical calculations. Geometric parameters, IR spectrum, 1H-, 13C and 15N NMR spectrum were examined in detail. Additionally, contour diagram of frontier molecular orbitals (FMOs), molecular electrostatic potential (MEP) maps, MEP contour and some quantum chemical descriptors were used in the determination of reactivity rankings and active sites. The electron density on the surface was similar to each other in studied complexes. Quantum chemical descriptors were investigated and the anticancer activity of complexes were more than cisplatin and their ligands. Additionally, molecular docking calculations were performed in water between related complexes and a protein (ID: 3WZE). The most interact complex was found as Os complex. The interaction energy was calculated as 342.9kJ/mol. PMID- 29223461 TI - Antenatal Consultations at Extreme Prematurity: A Systematic Review of Parent Communication Needs. AB - OBJECTIVE: To synthesize and describe parental expectations on how healthcare professionals should interact with them during a peripartum, antenatal consultation for extremely preterm infants. STUDY DESIGN: For this systematic literature review with textual narrative synthesis, we included studies that explored parental perspectives regarding the antenatal consultation for an extremely preterm infant. Electronic searches of Medline, CINAHL, PsycInfo, and Embase were conducted, along with a search of the grey literature. Quality appraisal was conducted using the guide by Walsh and Downe. Two independent reviewers reviewed 783 titles, of which 130 abstracts then 40 full-text articles were reviewed. Final data abstraction includes 19 studies. We predetermined 6 topics of interest (setting, timing, preferred healthcare professional, information, resources, and parents-physician interaction) to facilitate thematic analysis. RESULTS: In consideration of the variability of parents' specific desires, six predetermined topics and additional overarching themes such as perception of support, degree of understanding, hope, spirituality, and decision making influences emerged. Studies suggest the quality of the antenatal consultation is not purely about information content, but also the manner in which it is provided. Limitations include thematic analysis that can potentially lead to the exclusion of important nuances. Relevant studies may have been missed if published outside the healthcare literature. CONCLUSIONS: The findings may inform clinical practice guidelines. This paper includes suggested strategies related to parents' perspectives that may facilitate communication during antenatal consultation for an extremely preterm infant. These strategies may also support parental engagement and satisfaction. PMID- 29223462 TI - Social identity and cooperation in cultural evolution. AB - I discuss the function of social identity signaling in facilitating cooperative group formation, and how the nature of that function changes with the structure of social organization. I propose that signals of social identity facilitate assortment for successful coordination in large-scale societies, and that the multidimensional, context-dependent nature of social identity is crucial for successful coordination when individuals have to cooperate in different contexts. Furthermore, the structure of social identity is tied to the structure of society, so that as societies grow larger and more interconnected, the landscape of social identities grows more heterogeneous. This discussion bears directly on the need to articulate the dynamics of emergent, ephemeral groups as a major factor in human cultural evolution. PMID- 29223463 TI - Terfenadine metabolism of human cytochrome P450 2J2 containing genetic variations (G312R, P351L and P115L). AB - The human cytochrome P450 2J2 is involved in several metabolic reactions, including the oxidation of important therapeutics and epoxidation of endogenous arachidonic acid. At least ten genetic variations of P450 2J2 have been identified, but their effects on enzymatic activity have not been clearly characterized. Here, we evaluated the functional effects of three genetic variations of P450 2J2 (G312R, P351L, and P115L). Recombinant enzymes of wild type and three variant P450 2J2 were heterologously expressed in Escherichia coli and purified. P450 expression levels in the wild-type and two variants (P351L and P115L) were 142-231 nmol per liter culture, while the G312R variant showed no holoenzyme peak in the CO-binding spectra. Substrate binding titrations to terfenadine showed that the wild-type and two variants displayed Kd values of 0.90-2.2 MUM, indicating tight substrate binding affinities. Steady-state kinetic analysis for t-butyl methyl hydroxylation of terfenadine indicated that two variant enzymes had similar kcat and Km values to wild-type P450 2J2. The locations of mutations in three-dimensional structural models indicated that the G312R is located in the I-helix region near the formal active site in P450 2J2 and its amino acid change affected the structural stability of the P450 heme environment. PMID- 29223464 TI - Data journeys: Identifying social and technical barriers to data movement in large, complex organisations. AB - Managers in complex organisations often have to make decisions on whether new software developments are worth undertaking or not. Such decisions are hard to make, especially at an enterprise level. Both costs and risks are regularly underestimated, despite the existence of a plethora of software and systems engineering methodologies aimed at predicting and controlling them. Our objective is to help managers and stakeholders of large, complex organisations (like the National Health Service in the UK) make better informed decisions on the costs and risks of planned new software systems that will reuse or extend their existing information infrastructure. We analysed case studies describing new software developments undertaken by providers of health care services in the UK, looking for common points of risk and high cost. The results highlighted the movement of data within and between organisations as a key factor. Data movement can be hindered by numerous technical barriers, but also by other challenges arising from social aspects of the organisation. These latter aspects are often harder to predict, and are ignored by many of the more common software engineering methodologies. In this paper, we propose data journey modelling, a new method aiming to predict places of high cost and risk when existing data needs to move to a new development. The method is lightweight and combines technical and social aspects, but relies only on information that is likely to be already known to key stakeholders, or will be cheap to acquire. To assess the effectiveness of our method, we conducted a retrospective evaluation in an NHS Foundation Trust hospital. Using the method, we were able to predict most of the points of high cost/risk that the hospital staff had identified, along with several other possible directions that the staff did not identify for themselves, but agreed could be promising. PMID- 29223465 TI - Biomedical applications of genome-scale metabolic network reconstructions of human pathogens. AB - The growing global threat of antibiotic resistant human pathogens has coincided with improved methods for developing and using genome-scale metabolic network reconstructions. Consequently, there has been an increase in the number of high quality reconstructions of relevant human and zoonotic pathogens. Novel biomedical applications of pathogen reconstructions focus on three key aspects of pathogen behavior: the evolution of antibiotic resistance, virulence factor production, and host-pathogen interactions. New methods using these reconstructions aim to improve understanding of microbe pathogenicity and guide the development of new therapeutic strategies. This review summarizes the latest ways that genome-scale metabolic network reconstructions have been used to study human pathogens and suggests future applications with the potential to mitigate infectious disease. PMID- 29223467 TI - Does insulin therapy matter? Determinants of diabetes care outcomes. AB - OBJECTIVE: To evaluate adherence to care standards for people with diabetes (PWDs) on insulin therapy versus PWDs who are not on insulin therapy, controlling for social determinants. RESEARCH DESIGN AND METHODS: Utilizing the United States 2015 Behavioral Risk Factor Surveillance System Survey, this study used logistic regression analyses to estimate differences in self-care behaviors, healthcare provider quality of care, and diabetic complications for individuals on insulin therapy and individuals not on insulin therapy. RESULTS: PWDs on insulin therapy are more likely to adhere to self-care measures (self-glucose checks [OR: 7.57], self-foot checks [OR: 1.27], diabetes class participation [OR: 1.96]), adherence to provider care standards (diabetes-related doctor visits [OR: 1.24], comprehensive foot exam [OR: 1.80], dilated eye exam [OR: 1.34]), and to self report diabetic complications (retinopathy [OR: 2.77], kidney disease [OR:2.14]), controlling for sociodemographic variables. CONCLUSION: PWDs on insulin and their healthcare providers are more likely to meet the treatment goals set by the American Diabetes Association. PWDs on insulin therapy may have better overall relationships with providers due to a reduction in stigmatization based on the social construction of diabetes. PMID- 29223466 TI - Long-term pulmonary and cardiovascular morbidities of neonatal hyperoxia exposure in mice. AB - Pulmonary hypertension (PH) frequently occurs in infants with bronchopulmonary dysplasia (BPD), causing increased mortality and right ventricular (RV) dysfunction that persists into adulthood. A first step in developing better therapeutic options is identifying and characterizing an appropriate animal model. Previously, we characterized the short-term morbidities of a model in which C57BL/6J wild-type (WT) mice were exposed to 70% O2 (hyperoxia) during the neonatal period. Here, we aimed to determine the long-term morbidities using lung morphometry, echocardiography (Echo), and cardiac magnetic resonance imaging (cMRI). The major highlight of this study is the use of the state-of-the art imaging technique, cMRI, in mice to characterize the long-term cardiac effects of neonatal hyperoxia exposure. To this end, WT mice were exposed to 21% O2 (normoxia) or hyperoxia for two weeks of life, followed by recovery in normoxia for six weeks. Alveolarization, pulmonary vascularization, pulmonary hypertension, and RV function were quantified at eight weeks. We found that hyperoxia exposure resulted in persistent alveolar and pulmonary vascular simplification. Furthermore, the Echo and cMRI studies demonstrated that hyperoxia-exposed mice had signs of PH and RV dysfunction as indicated by increased RV pressure, mass, and end-systolic and -diastolic volumes, and decreased RV stroke volume and ejection fractions. Taken together, our results demonstrate that neonatal hyperoxia exposure in mice cause cardiopulmonary morbidities that persists into adulthood and provides evidence for the use of this model to develop novel therapies for BPD infants with PH. PMID- 29223468 TI - Postmastectomy radiation therapy: What factors are important in recommending treatment to patients undergoing "Sparing" mastectomies. PMID- 29223469 TI - Oncological and functional outcomes of elderly men treated with HIFU vs. minimally invasive radical prostatectomy: A propensity score analysis. AB - AIM: To assess outcomes of whole gland high-intensity focused ultrasound (HIFU) as compared with minimally-invasive radical prostatectomy (MIRP) in elderly patients. MATERIALS & METHODS: Patients aged >=70 years with, cT1-cT2 disease, biopsy Gleason score (GS) 3 + 3 or 3 + 4 and preoperative PSA <=10 ng/mL were submitted to either whole-gland HIFU or MIRP. Propensity-score matching analysis was performed to ensure the baseline equivalence of groups. Follow-up visits were routinely performed assessing PSA and urinary function according to the International Continence Score (ICS) and the International Prostatic Symptoms Score (IPSS) questionnaires. Estimated rates of salvage-treatment free survival (SFS) overall-survival (OS), cancer-specific survival (CSS) and metastasis-free survival (MTS) were assessed and compared. RESULTS: Overall, 84 (33.3%) and 168 (66.7%) patients were treated with HIFU and MIRP, respectively. MIRP was associated with a 5-yrs SFS of 93.4% compared to 74.8% for HIFU (p < 0.01). The two groups did not differ in terms of OS and MTS. No cancer-related deaths were registered. Patients treated with HIFU showed better short-term (6-mos) continence outcomes [mean-ICS: 1.7 vs. 4.8; p = 0.005] but higher IPSS mean scores at 12-mos assessment. A comparable rate of patients experiencing post treatment Clavien-Dindo grade >=III complications was observed within the two groups. CONCLUSIONS: Whole-gland HIFU is a feasible treatment in elderly men with low-to intermediate-risk PCa and could be considered for patients either unfit for surgery, or willing a non-invasive treatment with a low morbidity burden, although a non-negligible risk of requiring subsequent treatment for recurrence should be expected. PMID- 29223470 TI - REVEAL risk scores applied to riociguat-treated patients in PATENT-2: Impact of changes in risk score on survival. AB - BACKGROUND: The Registry to Evaluate Early and Long-term PAH Disease Management (REVEAL) risk score (RRS) calculator was developed using data derived from the REVEAL registry, and predicts survival in patients with pulmonary arterial hypertension (PAH) based on multiple patient characteristics. Herein we applied the RRS to a pivotal PAH trial database, the 12-week PATENT-1 and open-label PATENT-2 extension studies of riociguat. We examined the effect of riociguat vs placebo on RRS in PATENT-1, and investigated the prognostic implications of change in RRS during PATENT-1 on long-term outcomes in PATENT-2. METHODS: RRS was calculated post hoc for baseline and Week 12 of PATENT-1, and Week 12 of PATENT 2. Patients were grouped into risk strata by RRS. Kaplan-Meier estimates were made for survival and clinical worsening-free survival in PATENT-2 to evaluate the relationship between RRS in PATENT-1 and long-term outcomes in PATENT-2. RESULTS: A total of 396 patients completed PATENT-1 and participated in PATENT-2. In PATENT-1, riociguat significantly improved RRS (p = 0.031) and risk stratum (p = 0.018) between baseline and Week 12 compared with placebo. RRS at baseline, and at PATENT-1 Week 12, and change in RRS during PATENT-1 were significantly associated with survival (hazard ratios for a 1-point reduction in RRS: 0.675, 0.705 and 0.804, respectively) and clinical worsening-free survival (hazard ratios of 0.736, 0.716 and 0.753, respectively) over 2 years in PATENT-2. CONCLUSIONS: RRS at baseline and Week 12, and change in RRS, were significant predictors of both survival and clinical worsening-free survival. These data support the long-term predictive value of the RRS in a controlled study population. PMID- 29223471 TI - [Clinical-epidemiological study of Bordetella pertussis infection in the Gran Canaria island in the period, 2008-2016]. AB - OBJECTIVE: Describe the epidemiological and clinical pattern of Bordetella pertussis infection (whooping cough) among hospitalised infants less than one year-old in a paediatric hospital in Gran Canaria. PATIENTS AND METHODS: A retrospective review of the patient hospital records was performed, and recording only those with a microbiological diagnosis of pertussis infection detected using polymerase chain reaction, from January 2008 to December 2016. RESULTS: A total of 110 patients were identified, of which 105 (95.4%) were less than 6 months old, and 59.1% were males. The annual incidence of hospital admissions was estimated between 13.7 to 425.0 cases per 100,000 infants <12 months old, with 2peaks in 2011 and 2015. Household members were the main potential sources of infection. Main clinical features were pertussis cough associated with signs of catarrh, cyanosis, and lymphocytosis. Complications occurred in 15.4% of the patients (mainly pneumonia), but the outcome was favourable in all the cases. A lower age and non-vaccination were associated with an increased risk of developing complications (P<.05). Viral co-infection occurred in 31.6% of infants diagnosed with pertussis. CONCLUSIONS: The incidence of pertussis has increased in the last years in Gran Canaria, with a lower development of complications and mortality rates compared with the previous period. Lower age and non-vaccination status are considered risk factors for developing complications. Vaccination in pregnant women will probably lead to a decline in the incidence in the future, especially in infants younger than 6 months. PMID- 29223472 TI - [Excess weight and abdominal obesity in Galician children and adolescents]. AB - INTRODUCTION AND OBJECTIVES: The excess of weight, mainly obesity, during childhood and adolescence increases morbimortality risk in adulthood. The aim of this article is to estimate both the overall prevalence, as well as according to age and gender, of underweight, overweight, obesity and abdominal obesity among schoolchildren aged between 6-15-years-old in the school year 2013-2014. MATERIAL AND METHODS: Data were taken from a cross-sectional community-based study carried out on a representative sample, by gender and age, of the Galician population aged between 6 and 15 years-old. The prevalence of underweight, overweight, and obese children (Cole's cut-off criteria) and abdominal obesity (Taylor's cut-off criteria) were estimated after performing objective measurements of height, weight and waist circumference at school. RESULTS: A total of 7,438 students were weighed and measured in 137 schools. The prevalence of overweight and obese individuals was 24.9% and 8.2%, respectively. The prevalence of abdominal obesity was 25.8%, with 4% of children with normal weight having abdominal obesity. CONCLUSIONS: These data highlight the need to promote primary prevention measures at early ages in order to decrease the occurrence of the premature onset of disease in the future. The prevalence of excess weight is underestimated if abdominal obesity is not taken into consideration. PMID- 29223473 TI - [Cryptogenic West syndrome: Clinical profile, response to treatment and prognostic factors]. AB - INTRODUCTION: West syndrome (WS) is an age-dependent epileptic encephalopathy in which the prognosis varies according to the, not always identified, underlying origin. OBJECTIVES: To define the profile of cryptogenic (a least studied isolated sub-group) WS, in Spain. To study its outcome, response to different treatments, and to establish prognostic factors. PATIENTS AND METHODS: The study included a review of the medical records of 16 patients diagnosed with cryptogenic WS during the period, 2000-2015. The mean follow-up time was 6.6 years, with a minimum of 2 years. RESULTS: The large majority (11/16) were male. The mean age at onset was 6 months, and 6/16 had a family history of idiopathic epilepsy. The first line treatment with vigabatrin had an electrical-clinical response in 5/16 patients, with the remaining cases responding to adrenocorticotropic hormone (ACTH). Almost half (44%) of the patients progressed to other types of epilepsy, with no difference between those treated with vigabatrin or ACTH. A greater number of adverse effects were obtained with ACTH, with no retinal involvement being observed with vigabatrin. The aetiological cause was found in 2/16. Being female, late onset, and early control of the hypsarrhythmia, were factors of a good prognosis. CONCLUSIONS: The overall prognosis of cryptogenic WS was more serious than expected. Although the incidence of Lennox-Gastaut syndrome was low, the progression to focal epilepsy was the most common, with it appearing within the first 2 years of the diagnosis. The initial response to vigabatrin was lower than expected, but the long-term result was comparable to ACTH. PMID- 29223475 TI - Insights from clinical experience in treating IVF poor responders. AB - 'Poor responders' is a term used to describe a subpopulation of IVF patients who do not respond well to ovarian stimulation with gonadotrophins. While there is no standard definition of a poor responder, these patients tend to be of advanced maternal age (>=40 years), have a history of poor ovarian response with conventional stimulation protocols, and/or have low ovarian reserve. Despite the heterogeneity of this patient group, there are characteristics and needs common to many poor responders that can be addressed through a holistic approach. Stimulation during the earlier stages of follicle maturation may help synchronize follicle development for improved response to later gonadotrophin stimulation, and supplementation with dehydroepiandrosterone or human growth hormone may promote early follicle development in poor responders. IVF protocols should be specifically tailored to poor responders to complement the patient's natural cycle. Because poor responders tend to have high levels of stress and anxiety, patients should receive psychological counselling and support, both prior to and during IVF cycles, to ensure optimal outcomes and improve patients' experience. It is important to set realistic expectations with poor responders and their partners to help patients make informed decisions and better manage their distress and anxiety. PMID- 29223474 TI - Fine-tuning of store-operated calcium entry by fast and slow Ca2+-dependent inactivation: Involvement of SARAF. AB - Store-operated Ca2+ entry (SOCE) is a functionally relevant mechanism for Ca2+ influx present in electrically excitable and non-excitable cells. Regulation of Ca2+ entry through store-operated channels is essential to maintain an appropriate intracellular Ca2+ homeostasis and prevent cell damage. Calcium release activated channels exhibit Ca2+-dependent inactivation mediated by two temporally separated mechanisms: fast Ca2+-dependent inactivation takes effect in the order of milliseconds and involves the interaction of Ca2+ with residues in the channel pore while slow Ca2+-dependent inactivation (SCDI) develops over tens of seconds, requires a global rise in [Ca2+]cyt and is a mechanism regulated by mitochondria. Recent studies have provided evidence that the protein SARAF (SOCE associated regulatory factor) is involved in the mechanism underlying SCDI of Orai1. SARAF is an endoplasmic reticulum (ER) membrane protein that associates with STIM1 and translocate to plasma membrane-ER junctions in a STIM1-dependent manner upon store depletion to modulate SOCE. SCDI mediated by SARAF depends on the location of the STIM1-Orai1 complex within a PI(4,5)P2-rich microdomain. SARAF also interacts with Orai1 and TRPC1 in cells endogenously expressing STIM1 and cells with a low STIM1 expression and modulates channel function. This review focuses on the modulation by SARAF of SOCE and other forms of Ca2+ influx mediated by Orai1 and TRPC1 in order to provide spatio-temporally regulated Ca2+ signals. PMID- 29223476 TI - Fecundity in an infertile man with r(15) - a challenge to the current paradigm. AB - Ring chromosome 15 [r(15)] is a rare condition with a mild-to-severe growth failure, mental disabilities, cafe-au-lait spots, specific facial features, fertility difficulties and other minor dysmorphic stigmata. Of almost 50 affected individuals reported in the literature, none were assessed for the precise breakpoint positioning, which creates uncertainty in defining a specific phenotype for the deleted segment. This study reports for the first time the vertical transmission of r(15) in three consecutive generations of a family, including a subfertile man, his mother and his newborn infant. Array comparative genomic hybridization results revealed a 563 kb deletion of 15q26.3, overlapping the OMIM genes SNRP1, PCSK6 and TM2D3. The hemizygosity was confirmed with real time quantitative PCR. Regarding haploinsufficiency in 15q26.3, based on phenotypic characteristics of the carriers, the only rational conclusion is that SNRPA1, PCSK6 and TM2D3 are not gene-dosage sensitive and are probably inherited in an autosomal-recessive manner. Given growth deficiency in r(15) carriers, this shows that the growth retardation cannot be attributed entirely to IGF1R. The predominance of female patients with r(15) is the next as yet unanswered question; incomplete penetrance and/or variable expression of gene(s) in different genders may be involved, but further evidence is needed to support this idea. PMID- 29223477 TI - Immuno-oncology from the perspective of somatic evolution. AB - The past years have witnessed significant success for cancer immunotherapies that activate a patient's immune system against their cancer cells. At the same time our understanding of the genetic changes driving tumor evolution have progressed dramatically. The study of cancer genomes has shown that tumors are best understood as cell populations governed by the rules of evolution, leading to the emergence and spread of cell lineages with pathogenic mutations. Moreover, somatic evolution can explain the acquisition of mutations conferring drug resistance in the ever-lasting battle for reaching even fitter cell states. Here, we review the current state of the art of somatic cancer evolution and mechanisms of immune control and escape. We also revisit the principles of immunotherapy from the perspective of somatic evolution and discuss the basic rules of resistance to immunotherapies as dictated by evolution. PMID- 29223478 TI - Phase II trial of veliparib in patients with previously treated BRCA-mutated pancreas ductal adenocarcinoma. AB - PURPOSE: BRCA-associated cancers have increased sensitivity to poly(ADP-ribose) polymerase inhibitors (PARPis). This single arm, non-randomised, multicentre phase II trial evaluated the response rate of veliparib in patients with previously treated BRCA1/2- or PALB2-mutant pancreatic adenocarcinoma (PDAC). METHODS: Patients with stage III/IV PDAC and known germline BRCA1/2 or PALB2 mutation, 1-2 lines of treatment, Eastern Cooperative Oncology Group 0-2, were enrolled. Veliparib was dosed at a volume of 300 mg twice-daily (N = 3), then 400 mg twice-daily (N = 15) days 1-28. The primary end-point was to determine the response rate of veliparib; secondary end-points included progression-free survival (PFS), duration of response, overall survival (OS) and safety. RESULTS: Sixteen patients were enrolled; male N = 8 (50%). Median age was 52 years (range 43-77). Five (31%) had a BRCA1 and 11 (69%) had a BRCA2 mutation. Fourteen (88%) patients had received prior platinum-based therapy. No confirmed partial responses (PRs) were seen: one (6%) unconfirmed PR was observed at 4 months with disease progression (PD) at 6 months; four (25%) had stable disease (SD), whereas 11 (69%) had PD as best response including one with clinical PD. Median PFS was 1.7 months (95% confidence interval [CI] 1.57-1.83) and median OS was 3.1 months (95% CI 1.9-4.1). Six (38%) patients had grade III toxicity, including fatigue (N = 3), haematology (N = 2) and nausea (N = 1). CONCLUSIONS: Veliparib was well tolerated, but no confirmed response was observed although four (25%) patients remained on study with SD for >= 4 months. Additional strategies in this population are needed, and ongoing trials are evaluating PARPis combined with chemotherapy (NCT01585805) and as a maintenance strategy (NCT02184195). PMID- 29223479 TI - Long-term efficacy analysis of the randomised, phase II TRYPHAENA cardiac safety study: Evaluating pertuzumab and trastuzumab plus standard neoadjuvant anthracycline-containing and anthracycline-free chemotherapy regimens in patients with HER2-positive early breast cancer. AB - BACKGROUND: We report long-term efficacy and cardiac safety outcomes in patients with HER2-positive early breast cancer treated with neoadjuvant pertuzumab plus trastuzumab with anthracycline-containing or anthracycline-free chemotherapy. METHODS: Descriptive efficacy analyses were conducted in patients randomised to group A (cycles 1-6: trastuzumab [8 mg/kg loading dose and 6 mg/kg maintenance] plus pertuzumab [840 mg loading dose and 420 mg maintenance], plus 5 fluorouracil, epirubicin and cyclophosphamide [FEC] [cycles 1-3; 500 mg/m2 5 fluorouracil/100 mg/m2 epirubicin/600 mg/m2 cyclophosphamide] then docetaxel [cycles 4-6; 75 mg/m2, escalated to 100 mg/m2 if well tolerated]), B (cycles 1-3: FEC, cycles 4-6: trastuzumab plus pertuzumab plus docetaxel as mentioned previously) or C (cycles 1-6: trastuzumab plus pertuzumab plus docetaxel [75 mg/m2, without dose escalation], and carboplatin [AUC 6]), five years after randomisation of the last patient. This study is registered with ClinicalTrials.gov, number NCT00976989. RESULTS: Three-year Kaplan-Meier survival estimates for disease-free survival (DFS) were 87% (95% confidence interval: 79 95), 88% (80-96) and 90% (82-97) in groups A-C, respectively. Progression-free survival (PFS) rates were 89% (81-96), 89% (81-96) and 87% (80-95). DFS hazard ratio for total pathological complete response (tpCR) versus no tpCR was 0.27 (0.11-0.64). During post-treatment follow-up, 2/72 (2.8%), 3/75 (4.0%) and 4/76 (5.4%) patients in groups A-C had any-grade left ventricular systolic dysfunction; eight (11.1%), 12 (16.0%) and nine (11.8%) patients experienced left ventricular ejection fraction declines >=10% from baseline to <50%. CONCLUSIONS: Long-term DFS and PFS were similar between groups. Patients who achieved tpCR had improved DFS. No new safety signals were identified. PMID- 29223480 TI - Enlisting the willing: A study of healthcare professional-initiated and opt-in biobanking consent reveals improvement opportunities throughout the registration process. AB - Biobanking consent processes should accord with patients' preferences and be offered in a consistent and systematic manner. However, these aims can be difficult to achieve under healthcare professionals' (HCPs) time-constrained workflows, resulting in low participation rates. This current perspective provides a brief overview of HCP involvement in consent and reports new data on participant attrition at each step of the biobanking consent process as experienced by 113 patients at an Australian tertiary cancer centre. To determine attrition in this HCP-driven consent process, we reviewed medical records for the following events: inclusion of biobanking consent forms; visible patient and HCP signatures; consent status selected (decline or accept) and specimen registration with local biobank. Accessible medical records revealed the following data: 75 of 85 records included viewable forms; 22 of 85 records included patient and 19 of 85 included HCP signatures; 15 of 85 records included signed and completed forms and 3 of 85 had samples banked with annotated clinical data. We compared these data with self-reported experiences of being approached to participate by HCPs. Of the 15 participants (17.6%) who successfully completed consent, only five could recall being asked and providing consent. The low enrolment rate is a considerable lost opportunity because most patients (59%) who were not asked to participate indicated they would have consented if asked. Furthermore, in comparing self-reported experiences with medical records, we believe cancer patients' preferences for participation are mismatched with actual biobanking enrolment, which has considerable attrition at each step in the consent process. PMID- 29223481 TI - Can breast cancer patients with HER2 dual-equivocal tumours be managed as HER2 negative disease? AB - BACKGROUND: Increasing human epidermal growth factor receptor 2 (HER2) immunohistochemistry (IHC)/fluorescence in situ hybridisation (FISH) dual equivocal breast tumours are reported after the 2013 American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guideline update. The aim of this study is to investigate the clinico-pathologic characteristics, treatment patterns and disease outcome of these patients with HER2 dual-equivocal tumours. PATIENTS AND METHODS: Patients with HER2 IHC 2+ and available FISH results were retrospectively analysed from the Comprehensive Breast Health Center, Shanghai Ruijin Hospital. The 2013 ASCO/CAP guideline was applied to define HER2-positive, dual-equivocal and -negative groups. Patient characteristics, systemic treatment patterns and survival were compared among these groups. Reverse transcriptase polymerase chain reaction-based assays were applied to test HER2 mRNA expression level. RESULTS: Among 691 patients included, 133 (19.25%) were HER2 positive, 25 (3.62%) were HER2 dual-equivocal and 533 (77.13%) were HER2 negative. Univariate and multivariate analyses stated that HER2 dual-equivocal tumours shared more similarity with HER2-negative tumours, whereas HER2-positive tumours had rather different clinico-pathologic features. HER2 dual-equivocal tumours had similar HER2 mRNA levels compared with HER2-negative tumours (P = 0.26), which were much less compared with HER2-positive breast cancer. Besides, adjuvant systemic treatment patterns were comparable between HER2-negative and dual-equivocal tumours, and none of HER2 dual-equivocal patients received anti-HER2 treatment. There was no survival difference among these three groups (P = 0.43). CONCLUSION: HER2 dual-equivocal tumours share more similarity with HER2-negative disease in terms of clinico-pathologic features, HER2 mRNA levels, adjuvant systemic treatment patterns and disease outcome, which deserves further clinical evaluation. PMID- 29223482 TI - Reactor performance and energy analysis of solid state anaerobic co-digestion of dairy manure with corn stover and tomato residues. AB - Anaerobic co-digestion is commonly believed to be benefical for biogas production. However, additional of co-substrates may require additional energy inputs and thus affect the overall energy efficiency of the system. In this study, reactor performance and energy analysis of solid state anaerobic digestion (SS-AD) of tomato residues with dairy manure and corn stover were investigated. Different fractions of tomato residues (0, 20, 40, 60, 80 and 100%, based on volatile solid weight (VS)) were co-digested with dairy manure and corn stover at 15% total solids. Energy analysis based on experimental data was conducted for three scenarios: SS-AD of 100% dairy manure, SS-AD of binary mixture (60% dairy manure and 40% corn stover, VS based), and SS-AD of ternary mixture (36% dairy manure, 24% corn stover, and 40% tomato residues, VS based). For each scenario, the energy requirements for individual process components, including feedstock collection and transportation, feedstock pretreatment, biogas plant operation, digestate processing and handling, and the energy production were examined. Results showed that the addition of 20 and 40% tomato residues increased methane yield compared to that of the dairy manure and corn stover mixture, indicating that the co-digestion could balance nutrients and improve the performance of solid-state anaerobic digestion. The energy required for heating substrates had the dominant effect on the total energy consumption. The highest volatile solids (VS) reduction (57.0%), methane yield (379.1 L/kg VSfeed), and net energy production were achieved with the mixture of 24% corn stover, 36% dairy manure, and 40% tomato residues. Thus, the extra energy input for adding tomato residues for co-digestion could be compensated by the increase of methane yield. PMID- 29223484 TI - A third dose of measles vaccine is needed in young Korean health care workers. PMID- 29223483 TI - Differences by sex in IgG levels following infant and childhood vaccinations: An individual participant data meta-analysis of vaccination studies. AB - BACKGROUND: If immune responses to vaccination differ between males and females, sex-specific vaccination schedules may be indicated. We systematically reanalysed childhood vaccination studies conducted in The Netherlands for sex-differences in IgG-responses. To assess the impact of potential sex-differences in IgG responses, we explored sex-differences in vaccine failure/effectiveness and reactogenicity. METHODS: Six studies with IgG-measurements for 1577 children following infant pneumococcal (PCV7/PCV10/PCV13) and/or DTaP-IPV-Hib(-HepB) vaccinations, or the pre-school DTaP-IPV booster were included. We performed one stage individual participant data meta-analyses per time-point of the effect of sex on IgG levels against pneumococcal serotypes, diphtheria toxoid, tetanus toxoid, pertussis Ptx/FHA/Prn and Hib-PRP using linear mixed models. Using existing study data, we compared reactogenicity after PCV7/PCV10 and DTaP-IPV Hib(-HepB) vaccination in girls and boys. Vaccine failure/effectiveness was compared between girls and boys for invasive pneumococcal disease (IPD), invasive Hib disease and pertussis using notification data. RESULTS: For pneumococcal vaccination, the geometric mean concentration ratio of IgG levels in girls versus boys pooled across serotypes was 1.15 (95%CI 0.91-1.45) 1 month following the primary series, 1.16 (1.02-1.32) at age 8 months, 1.12 (1.02-1.23) pre-booster (age 11 months) and 0.99 (0.89-1.10) post-booster (age 12 months). Diphtheria toxoid, tetanus toxoid, pertussis Ptx/FHA/Prn and Hib-PRP IgG levels did not differ between girls and boys, except for Hib post-booster (1.24; 95%CI 1.01 1.52) and tetanus before pre-school booster (0.71; 0.53-0.95). We found no difference between boys and girls in reactogenicity at age 4 or 11 months or in vaccine failure/effectiveness for IPD, invasive Hib disease or pertussis. CONCLUSION: For most vaccine antigens investigated, there were no consistent differences in vaccine-induced IgG levels. Vaccine-induced pneumococcal IgG levels were slightly higher in girls, but only between the primary series and the 11-month booster. These results, along with similar reactogenicity and vaccine failure/effectiveness, support the uniform infant vaccination schedule in the Dutch national immunisation programme. PMID- 29223485 TI - Preventive effect of anti-VacA egg yolk immunoglobulin (IgY) on Helicobacter pylori-infected mice. AB - BACKGROUND: Helicobacter pylori, a gram-negative bacterium, is the causative agent of gastric disorders and gastric cancer in the human stomach. Vacuolating cytotoxin A (VacA) is among the multi-effect protein toxins released by H. pylori that enables its persistence in the human stomach. METHODS: To evaluate the effect of anti-VacA egg yolk immunoglobulin (anti-VacA IgY) on H. pylori infection, a highly specific anti-VacA IgY was produced from egg yolks of hens immunized with a mixture of two purified recombinant VacAs. Female C57BL/6 mice were supplemented anti-VacA IgY daily with drinking water for 2 weeks before and 4 weeks after H. pylori ATCC 43504 inoculation. Anti-VacA IgY recognized both native and denatured structures of VacA by enzyme-linked immunosorbent assay and immunoblotting analyses, respectively. RESULTS: Oral administration of anti-VacA IgYs significantly (p < .05) reduced the serum levels of anti-H. pylori antibodies compared to those in the H. pylori-infected, untreated group. The reduction in the immune response was accompanied by a significant (p < .05) decrease in eosinophilic infiltration of the stomach in anti-VacA IgY treated group compared to other groups. Concomitantly, H. pylori-induced histological changes and H. pylori antigen-positivity in gastric tissues were decreased significantly (p < .05) in anti-VacA IgY treated group similar to the control group. CONCLUSIONS: Oral administration of anti-VacA IgY is correlated with a protective effect against H. pylori colonization and induced histological changes in gastric tissues. Our experimental study has proved that it is expected to be a new drug candidate of Hp infection by further study. PMID- 29223486 TI - Cost-effectiveness of rotavirus vaccination in Ghana: Examining impacts from 2012 to 2031. AB - BACKGROUND: Diarrhea causes about 10% of all deaths in children under five years globally, with rotavirus causing about 40% of all diarrhea deaths. Ghana introduced rotavirus vaccination as part of routine immunization in 2012 and it has been shown to be effective in reducing disease burden in children under five years. Ghana's transition from low to lower-middle income status in 2010 implies fewer resources from Gavi as well as other major global financing mechanisms. Ghana will soon bear the full cost of vaccines. The aim of this study was to estimate the health impact, costs and cost-effectiveness of rotavirus vaccination in Ghana from introduction and beyond the Gavi transition. METHODS: The TRIVAC model is used to estimate costs and effects of rotavirus vaccination from 2012 through 2031. Model inputs include demographics, disease burden, health system structure, health care utilization and costs as well as vaccine cost, coverage, and efficacy. Model inputs came from local data, the international literature and expert consultation. Costs were examined from the health system and societal perspectives. RESULTS: The results show that continued rotavirus vaccination could avert more than 2.2 million cases and 8900 deaths while saving US$6 to US$9 million in costs over a 20-year period. The net cost of vaccination program is approximately US$60 million over the same period. The societal cost per DALY averted is US$238 to US$332 with cost per case averted ranging from US$27 to US$38. The cost per death averted is approximately US$7000. CONCLUSION: The analysis shows that continued rotavirus vaccination will be highly cost effective, even for the period during which Ghana will assume responsibility for purchasing vaccines after transition from Gavi support. PMID- 29223487 TI - Implementing a province-wide mandatory vaccinate-or-mask policy at healthcare facilities in British Columbia, Canada. AB - OBJECTIVES: In 2012, British Columbia (BC) became the first Canadian province to implement an influenza prevention policy requiring healthcare workers (HCW) to either be vaccinated annually against influenza or wear a mask in patient care areas during the influenza season. This study describes an evaluation of influenza policy implementation processes and identifies supports and challenges related to successful policy implementation at the level of healthcare facilities, during the second policy year (2013/14). METHODS: Implementation leaders from 262 long-term care (LTC) and acute care facilities, mostly in three of BC's five regional Health Authorities, were invited to participate in an online survey following the 2013/14 influenza season. Descriptive quantitative and qualitative analyses identified common and effective strategies for improving vaccination coverage and policy compliance. RESULTS: A total of 127 respondents completed the survey on behalf of 33 acute care and 99 LTC facilities, representing 36% of acute care and 27% of LTC facilities in BC. Respondents agreed that the policy was successfully implemented at 89% of facilities, and implementation was reported to be easy at 52% of facilities. The findings elaborate on communication and leadership strategies, campaign logistics and enforcement approaches involved in policy implementation. CONCLUSION: Implementation of a vaccinate-or-mask influenza policy is complex. This study provides insight for other jurisdictions considering implementing such a policy and offers practical recommendations for facilities and health authorities. PMID- 29223488 TI - Oral administration of PLGA-encapsulated CpG ODN and Campylobacter jejuni lysate reduces cecal colonization by Campylobacter jejuni in chickens. AB - Campylobacter jejuni (C. jejuni) is a major cause of bacterial food-borne illness in humans. It is considered a commensal organism of the chicken gut and infected chickens serve as a reservoir and shed bacteria throughout their lifespan. Contaminated poultry products are considered the major source of infection in humans. Therefore, to reduce the risk of human campylobacteriosis, it is essential to reduce the bacterial load in poultry products. The present study aimed to evaluate the protective effects of soluble and PLGA-encapsulated oligodeoxynucleotides (ODN) containing unmethylated CpG motifs (E-CpG ODN) as well as C. jejuni lysate as a multi-antigen vaccine against colonization with C. jejuni. The results revealed that oral administration of a low (5 ug) or high (50 ug) dose of CpG resulted in a significant reduction in cecal C. jejuni colonization by 1.23 and 1.32 log10 (P < .05) in layer chickens, respectively, whereas E-CpG significantly reduced cecal C. jejuni colonization by 1.89 and 1.46 log10 in layer and broiler chickens at day 22 post-infection (slaughter age in broilers), respectively. Similar patterns were observed for C. jejuni lysate; oral administration of C. jejuni lysate reduced the intestinal burden of C. jejuni in layer and broiler chickens by 2.24 and 2.14 log10 at day 22 post infection, respectively. Moreover, the combination of E-CpG and C. jejuni lysate reduced bacterial counts in cecal contents by 2.42 log10 at day 22 post-infection in broiler chickens. Anti-C. jejuni IgG antibody (Ab) titers were significantly higher for broiler chickens receiving a low or high dose of E-CpG or a low dose of C. jejuni lysate than for chickens receiving the placebo. Furthermore, a positive correlation was observed between serum IgG Ab titers and cecal counts of C. jejuni in these groups. These findings suggest that PLGA-encapsulated CpG or C. jejuni lysate could be a promising strategy for control of C. jejuni in chickens. PMID- 29223489 TI - Platelet mass index can be a reliable marker in predicting the prognosis of retinopathy of prematurity in very preterm infants. AB - BACKGROUND: Retinopathy of prematurity (ROP) is a proliferative vitreoretinopathy resulting from vascular defect of the retina. The present study evaluates platelets, which are involved in VEGF storage, transport and release, and their functions with regard to the prognosis of the disease. The objective was to suggest a simple minimal invasive method that will facilitate the management of the disease and help clinicians in predicting the prognosis. METHODS: In this single center, retrospective, case-control study, we included a control group consisting of very preterm newborns (n = 83) at risk of ROP and a laser photocoagulation group including infants (n = 63) who received laser therapy during their follow-up examinations. The employed assessments included platelet counts and platelet mass index (PMI) which provide guidance in understanding platelet activity. In doing so, consideration was given to the first and second phases of ROP. The accuracy of prognostication was assessed with receiver operating characteristic analyses. RESULTS: The study groups did not differ statistically significantly by platelet count during the first and second phases of ROP (p > 0.05) nor were the PMI measurements statistically significantly different between the study groups during the first phase of the disease (p > 0.05). PMI values of the study groups, however, differed significantly in the second phase of ROP (p < 0.05). CONCLUSION: The present study found a significant difference between the two groups in PMI measurements which reflect increased VEGF levels during the neovascularization phase, which underlies the disease. This conclusion demonstrated that monitoring the PMI values in newborns at risk of ROP can be considered to be a minimally invasive method that by changing the retinal examination procedure in use today which is rather troublesome for both the physician and the newborn, can provide facilities in monitoring the disease for both the physician and the newborn. PMID- 29223490 TI - Implicit causality bias in adults with traumatic brain injury. AB - INTRODUCTION: Individuals with moderate or severe traumatic brain injury often experience impairments in pragmatic language functions. Pragmatic language has been studied primarily in connected language genres such as narratives. It may be, however, that individuals with traumatic brain injury also miss microscopic cues, such as social cues embedded in single word meanings or sentence structure. The current study examined one type of sentence-level pragmatic language cue: implicit causality bias. Implicit causality bias is the attribution of an interpersonal transitive verb action to either the subject noun phrase or object noun phrase of a sentence, and is an inherent property of English-language verbs. METHOD: In this study, 19 adults with traumatic brain injury and 18 typical adults were asked to provide sensible and spontaneous completions to 96 sentence fragments. Each fragment contained one interpersonal transitive verb and two noun phrases to which the cause of the verb could be attributed. RESULTS: Adults with traumatic brain injury showed significantly less implicit causality bias than typical adults, and also made more errors in assigning the causality of a clause. CONCLUSIONS: These results challenge assumptions regarding intact implicit processing in adults with traumatic brain injury, and reveal mechanisms by which communication could fail in everyday social interactions. PMID- 29223491 TI - A study of VHI scores and acoustic features in street vendors as occupational voice users. AB - PURPOSE: to investigate acoustic features of phonation and perception of voice handicap in street vendors. METHODS: Eighty-eight participants (44 street vendors, 44 controls) were recruited. The mean age of the group was 38.9+/-16.0 years (range: 20-78 years). Scores of the Arabic version of the Voice Handicap Index (VHI-Arab) were used for analysis. Acoustic measures of fundamental frequency (F0), jitter, shimmer, and signal-to-noise ratio (SNR) were also analyzed. RESULTS: Analysis showed a significant difference between street vendors and controls in the total score of the VHI-Arab (p<0.001) as well as scores of all three VHI-Arab subsections: functional (p<0.001), physical (p<0.001), and emotional (p=0.025). Weak correlations were found among all of the VHI scores and acoustic measures (-0.219<= r<=0.355), except for SNR where a moderate negative correlations were found (r=-0.555; -0.4) between the VHI (physical and total) scores and SNR values. Significant differences also were found in F0, jitter, and SNR among specific subgroups of street vendors when stratified by weekly hours worked (p<0.05), and in jitter (p=0.39) when stratified by educational level. CONCLUSIONS: Perception of voice handicap and a possible effect on vocal quality in street vendors were noted. The effect of factors, namely work hours and educational level, on voice quality should be further studied. PMID- 29223492 TI - Young children's family history of stuttering and their articulation, language and attentional abilities: An exploratory study. AB - PURPOSE: The purpose of this study was to determine whether young children who do (CWS) and do not stutter (CWNS) with a positive versus negative family history of stuttering differ in articulation, language and attentional abilities and family histories of articulation, language and attention related disorders. METHOD: Participants were 25 young CWS and 50 young CWNS. All 75 participants' caregivers consistently reported a positive or negative family history of stuttering across three consecutive time points that were about 8 months apart for a total of approximately 16 months. Each participant's family history focused on the same, relatively limited number of generations (i.e., participants' parents & siblings). Children's family history of stuttering as well as articulation, language, and attention related disorders was obtained from one or two caregivers during an extensive interview. Children's speech and language abilities were measured using four standardized articulation and language tests and their attentional abilities were measured using caregiver reports of temperament. RESULTS: Findings indicated that (1) most caregivers (81.5% or 75 out 92) were consistent in their reporting of positive or negative history of stuttering; (2) CWNS with a positive family history of stuttering, compared to those with a negative family history of stuttering, were more likely to have reported a positive family history of attention deficit/hyperactivity disorder (ADHD), and (3) CWNS with a positive family history of stuttering had lower language scores than those with a negative family history of stuttering. However, there were no such significant differences in family histories of ADHD and language scores for CWS with a positive versus negative family history of stuttering. In addition, although 24% of CWS versus 12% of CWNS's caregivers reported a positive family history of stuttering, inferential analyses indicated no significant differences between CWS and CWNS in relative proportions of family histories of stuttering. CONCLUSION: Finding that a relatively high proportion (i.e., 81.5%) of caregivers consistently reported a positive or negative family history of stuttering across three consecutive time points should provide some degree of assurance to those who collect such caregiver reports. Based on such consistent caregiver reports, linguistic as well as attentional vulnerabilities appear associated with a positive family history of stuttering, a finding that must await further empirical study for confirmation or refutation. PMID- 29223493 TI - Comparison of Adjuvant Radiation Therapy Before or After Artificial Urinary Sphincter Placement: A Multi-Institutional, Retrospective Analysis. AB - OBJECTIVE: To determine if the timing of radiation therapy on artificial urinary sphincter (AUS) impacts complication rates, revision rates, and number of pads per day after placement. METHODS: A retrospective review was conducted of men with prostate cancer who underwent AUS placement and radiation therapy between 1987 and 2016. RESULTS: Of 306 men, 292 (95.4%) received radiation before AUS placement (group 1) and 14 (4.6%) received radiation after AUS placement (group 2). Median follow-up was 30 months after AUS placement. Group 1 had 32 of 292 (11.0%) patients suffer from erosion, compared with 0 of 14 (0.0%) patients in group 2 (P = .191). None of the patients in group 2 had infection or mechanical failure. The number of patients who received revision in group 1 was 91 of 292 (31.2%) and in group 2 was 2 of 14 (14.3%) (P = .180). The number of pads used per day in group 1 before and after AUS placement was 5.24 +/- 3.12 and 1.13 +/- 1.31, respectively (P <.001). In group 2, the number of pads used per day before and after AUS placement was 6.09 +/- 1.97 and 1.53 +/- 0.99, respectively (P <.001). There was no significant difference in the average number of postoperative pads used per day between group 1 and group 2 (P = .907). CONCLUSION: The timing of radiation therapy does not appear to significantly affect complication rates or urinary continence, as measured in pads used after AUS placement. This multi-institutional retrospective analysis showed similar erosion and revision rates when radiation occurred after AUS placement and demonstrates preliminary safety and feasibility of the administration of radiation after AUS placement. PMID- 29223494 TI - Dental functional morphology predicts the scaling of chewing rate in mammals. AB - How food intake and mastication scale to satisfy the metabolic needs of mammals has been the subject of considerable scientific debate. Existing theory suggests that the negative allometric scaling of metabolic rate with body mass is compensated by a matching allometric scaling of the chewing rate. Why empirical studies have found that the scaling coefficients of the chewing rate seem to be systematically smaller than expected from theory remains unknown. Here we explain this imparity by decoupling the functional surface area of teeth from overall surface area. The functional surface area is relatively reduced in forms emphasizing linear edges (e.g., lophodont) compared with forms lacking linear structures (e.g., bunodont). In forms with reduced relative functional surface, the deficit in food processed per chew appears to be compensated for by increased chewing rate, such that the metabolic requirements are met. This compensation accounts for the apparent difference between theoretically predicted and observed scaling of chewing rates. We suggest that this reflects adaptive functional evolution to plant foods with different fracture properties and extend the theory to incorporate differences in functional morphology. PMID- 29223495 TI - Estimation of spinal joint centers from external back profile and anatomical landmarks. AB - Defining a subject-specific model of the human body is required for motion analysis in many fields, such as in ergonomics and clinical applications. However, locating internal joint centers from external characteristics of the body still remains a challenging issue, in particular for the spine. Current methods mostly require a set of rarely accessible (3D back or trunk surface) or operator dependent inputs (large number of palpated landmarks and landmarks-based anthropometrics). Therefore, there is a need to provide an alternative way to estimate joint centers only using a limited number of easily palpable landmarks and the external back profile. Two methods were proposed to predict the spinal joint centers: one using only 6 anatomical landmarks (ALs) (2 PSIS, T8, C7, IJ and PX) and one using both 6 ALs and the external back profile. Regressions were established using the X-ray based 3D reconstructions of 80 subjects and evaluated on 13 additional subjects of variable anthropometry. The predicted location of joint centers showed an average error 9.7 mm (+/-5.0) in the sagittal plane for all joints when using the external back profile. Similar results were obtained without using the external back profile, 9.5 mm (+/-5.0). Compared to other existing methods, the proposed methods offered a more accurate prediction with a smaller number of palpated points. Additional methods have to be developed for considering postures other than standing, such as a sitting position. PMID- 29223496 TI - Multi-modal imaging investigation of anterior cingulate cortex cytoarchitecture in neurodevelopment. AB - Multi-modal imaging may improve our understanding of the relationship between cortical morphology and cytoarchitecture. To this end we integrated the analyses of several magnetic resonance imaging (MRI) and spectroscopy (MRS) metrics within the anterior cingulate cortex (ACC). Considering the ACCs role in neurodevelopmental disorders, we also investigated the association between neuropsychiatric symptoms and the various metrics. T1 and diffusion-weighted MRI and 1H-MRS (ACC voxel) data along with phenotypic information were acquired from children (8-12 years) with various neurodevelopmental disorders (n=95) and healthy controls (n=50). From within the MRS voxel mean diffusivity (MD) of the grey matter fraction, intrinsic curvature (IC) of the surface and concentrations of creatine, choline, glutamate, N-acetylaspartate and myo-inositol were extracted. Linear models were used to investigate if the neurochemicals predicted MD and IC or if MD predicted IC. Finally, measures of various symptom severities were included to determine the influence of symptoms of neurodevelopmental disorders. All five neurochemicals inversely predicted MD (all puncorrected<0.04, beta=0.23-0.36). There was no association between IC and MD or IC and the neurochemicals (all p>0.05). Severity of autism symptoms related positively to MD (puncorrected=0.002, beta=0.39). Our findings support the notion that the neurochemicals relate to cytoarchitecture within the cortex. Additionally, we showed that autism symptoms across participants relate to the ACC cytoarchitecture. PMID- 29223497 TI - Older teen attitudes toward birth control access in pharmacies: a qualitative study. AB - OBJECTIVES: To examine adolescent attitudes toward accessing contraception through a new pharmacist prescribing model in the State of California. STUDY DESIGN: In-depth telephone interviews were conducted in summer 2015 with 30 females ages 18 to 19 in California. Participants were recruited using a social media advertisement. Semi-structured interviews utilized open-ended questions to understand teens' experiences with pharmacies, experiences obtaining contraception, and views on pharmacist prescribing of contraception. Responses were transcribed and qualitatively analyzed using an independent-coder method to identify salient themes. RESULTS: Participants were ethnically diverse and primarily living in suburban areas. All participants had completed high school and many had completed one year of college. Nearly all participants were supportive of California's new law allowing pharmacist prescribing of contraception. Thematic analyses revealed that while participants were satisfied with traditional service providers and valued those relationships, they appreciated the benefit of increased access and convenience of going directly to a pharmacy. Participants expected increased access to contraception in pharmacies would lead to both personal and societal benefits. They expressed concerns regarding parental involvement, as well as confidentiality in the pharmacy environment and with insurance disclosures. CONCLUSION: Older teens in California are very supportive of pharmacies and pharmacists as direct access points for contraception, but confidentiality concerns were noted. Policy makers and pharmacies can incorporate study findings when designing policies, services, and physical pharmacy spaces to better serve teens. Further research is warranted after pharmacies implement this new service to assess teen utilization and satisfaction as well as outcomes. IMPLICATION STATEMENT: Several states recently passed legislation enabling pharmacists to prescribe contraception and other states are considering similar legislation. Older teens are interested in this additional method of contraceptive access and understanding their perspectives can help guide implementation by states and in individual pharmacies. PMID- 29223498 TI - Heparin-fibronectin interactions in the development of extracellular matrix insolubility. AB - During extracellular matrix (ECM) assembly, fibronectin (FN) fibrils are irreversibly converted into a detergent-insoluble form which, through FN's multi domain structure, can interact with collagens, matricellular proteins, and growth factors to build a definitive matrix. FN also has heparin/heparan sulfate (HS) binding sites. Using HS-deficient CHO cells, we show that the addition of soluble heparin significantly increased the amount of FN matrix that these cells assemble. Sulfated HS glycosaminoglycan (GAG) mimetics similarly increased FN assembly and demonstrated a dependence on GAG sulfation. The length of the heparin chains also plays a role in assembly. Chains of sufficient length to bind to two FN molecules gave maximal stimulation of assembly whereas shorter heparin had less of an effect. Using a decellularized fibroblast matrix for proteolysis, detergent fractionation, and mass spectrometry, we found that the predominant domain within insoluble fibril fragments is FN's major heparin-binding domain HepII (modules III12-14). Multiple HepII domains bind simultaneously to a single heparin chain in size exclusion chromatography analyses. We propose a model in which heparin/HS binding to the HepII domain connects multiple FNs together to facilitate the formation of protein interactions for insoluble fibril assembly. PMID- 29223499 TI - A comparison of standard versus low dose heparin on access-related complications after coronary angiography through radial access: A meta-analysis of randomized controlled trials. AB - BACKGROUND: Transradial access (TRA) is preferred for coronary angiography (CA) or percutaneous coronary intervention due to reduced access-related complications, and mortality especially for patients with ST elevation myocardial infarction. Radial artery occlusion (RAO) is a known complication of TRA, and precludes its use as a future access site, conduit for coronary artery bypass grafting or for hemodialysis fistula placement. Although a standard dose (SD) heparin of 5000 Units is used during TRA, the risks of RAO and hematoma compared to lower dose (LD) remain unclear. To compare the risks of RAO and hematoma using SD vs. LD heparin after CA through TRA, we performed a meta-analysis of randomized controlled trials (RCT). METHODS: We searched PubMed, EMBASE, CINAHL and CENTRAL for RCTs since inception through 06/30/2017 and used random effects model for analysis. The outcomes analyzed were RAO, hematoma formation and radial artery compression time (RACT). RESULTS: We identified a total of 6 RCTs with a total of 2239 patients. SD heparin resulted in a trend toward a lower risk of RAO [4.2% vs. 10.7%; risk ratio (RR): 0.40, 95% confidence interval (CI): 0.16-1.0; P=0.05], a trend toward increased risk of hematoma [2.2% vs. 1.1%; 1.83 (0.91 3.66); P=0.09], and a longer duration of RACT [mean difference: 9.64min (4.01 15.28); P=0.0008] compared to LD. CONCLUSIONS: The current meta-analysis showed a trend towards reduction in the risk of RAO with the use of standard dose heparin. Larger randomized trials should explore the appropriate dosing of heparin to prevent radial artery occlusion. PMID- 29223500 TI - Impact of chronic kidney disease on mortality in adults undergoing balloon aortic valvuloplasty. AB - BACKGROUND: Balloon aortic valvuloplasty (BAV) is often utilized as a bridge prior to surgical or transcatheter aortic valve replacement. Chronic kidney disease (CKD) is commonly present in patients with aortic stenosis, however, its association with outcomes following BAV has not been well studied. Accordingly, we sought to assess the impact of CKD on mortality in adults undergoing BAV. METHODS: The Nationwide Inpatient Sample was screened for hospitalizations involving adults undergoing BAV from 2006 to 2012. Demographic data and clinical history were recorded. Patients were divided into those with and without CKD as a documented comorbidity and were compared for adjusted in-hospital mortality risk. RESULTS: Among a national cohort of 10,845 adults undergoing BAV, 3842 (35.4%) adults had CKD while 7003 (64.6%) did not. Patients with CKD were older, more often male, and had higher rates of coronary disease, heart failure, diabetes mellitus, hypertension, peripheral artery disease, obesity, obstructive sleep apnea, and atrial fibrillation. Adults with CKD undergoing BAV had significantly higher in-hospital mortality rates (10.2% vs 6.3%, p=0.0005). In multivariable analysis, CKD was independently associated with a nearly 2-fold higher odds of in hospital mortality (odds ratio 1.98, 95% confidence interval 1.45-2.70, p<0.0001). Other predictors of mortality included presence of atrial fibrillation and absence of prior myocardial infarction, hypertension, peripheral arterial disease, and smoking. CONCLUSIONS: CKD was independently associated with a nearly 2-fold higher odds of in-hospital mortality in adults undergoing BAV. Further studies are warranted to determine whether preventive interventions can improve outcomes in this high-risk population. PMID- 29223501 TI - rAsp f3 and rAsp f4 are associated with bronchiectasis in allergic fungal airways disease. PMID- 29223502 TI - Hydroxyl radical production via NADPH oxidase in rat striatum due to carbon monoxide poisoning. AB - Severe poisoning induced by carbon monoxide (CO) at 3000 ppm, but not 1000 ppm, enhances hydroxyl radical (OH) production in rat striatum, which is greatly susceptible to inhibitors of NADPH oxidase (NOX), including diphenyleneiodonium (DPI), but not xanthine oxidase. The quantitative real-time PCR confirmed the previous microarray finding that CO at 3000 ppm, but not 1000 ppm, enhanced mRNA expression of dual oxidase 2 (DUOX2), but not DUOX1, in rat striatum, both of which are NOX family members producing reactive oxygen species. However, the protein levels of DUOX2 and DUOX1 were decreased by 3000 ppm CO. The CO-induced OH production was resistant to chelerythrine and SB230580, inhibitors of protein kinase C and p38MAPK, respectively, which are reported to mediate activation of DUOX1 and DUOX2, respectively. Deprivation of Ca2+, which is required for activation of both DUOXs, failed to suppress the CO-induced OH production. The CO induced OH production was strongly suppressed by EHT1864, an inhibitor of Rac (Ras-related C3 botulinum toxin substrate), which is a factor for activation of NOX1, NOX2 and NOX3 (the role of Rac on Nox3 activation is controversial) as much as that was suppressed by DPI. In addition, EHT1864 in combination with DPI further suppressed the CO-induced OH production. There were no significant changes in the protein levels of NOX1 through NOX4 and Rac1. It is likely that the CO-induced OH production is mediated through the activation of Rac-dependent NOX enzymes, such as Nox1, Nox2, and Nox3. PMID- 29223503 TI - Multiple collections of common carp Cyprinus carpio L. semen during the reproductive period and its effects on sperm quality. AB - Multiple collections of semen during the reproductive period of the common carp Cyprinus carpio L. were used to analyse changes in semen quality. Semen collection was performed on June 1 (first collection), 12 (second collection), and 19 (third collection) from individual males (n=11) by gentle abdominal massage. Semen quantity (semen volume and sperm count), quality (sperm motility and sperm viability), as well as seminal plasma parameters (pH of seminal plasma and seminal plasma osmotic pressure) and its enzymatic activity, e.g., lactate dehydrogenase (LDH) and beta-N-acetylglucosaminidase (beta-NAG) were determined. Moreover, for the first time, the percentage of live, dead, and apoptotic sperm, as well as the proteolytic activity of seminal plasma, were determined using flow cytometry and zymography, respectively, at specific times during the common carp reproductive period. The lowest volumes of semen and sperm concentration were noted during the first semen collection (June 1). Analysis of computer-assisted sperm analysis parameters revealed the greatest sperm motility, sperm velocity, as well as amplitude of lateral head displacement, were evident in the third collection (June 19). There were no differences in progressively motile sperm, movement linearity, wobbling index, and beat cross frequency between the different collection times. The lowest percentage of live sperm was found in the first collection, although with the passage of time values of this parameter increased. Seminal plasma pH and seminal plasma osmotic pressure were at the lowest values in the second collection (June 12), which corresponded with the lowest concentration of sperm. In the first collection, seminal plasma contained the highest values of LDH and beta-NAG activity, whereas there were no differences in the proteolytic activity of seminal plasma determined between the different collections of semen. The results presented here indicate that during the reproductive period, males of common carp produce a large amount of semen of moderate quality. Low sperm motility noted in the second collection might be explained by a significant increase in sperm production during this period, followed by a low seminal plasma pH and high hydration rate. The high LDH and beta-NAG activity noted in the first collection of semen may reflect a reduced stability of the sperm cell membrane and its viability. The significant difference in the percentage of live sperm at June 1 compared to that at June 19 supports this hypothesis. PMID- 29223504 TI - Potential pathogenic mechanisms underlying Fragile X Tremor Ataxia Syndrome: RAN translation and/or RNA gain-of-function? AB - Fragile X-associated tremor/ataxia syndrome (FXTAS) is an inherited neurodegenerative disease caused by an expansion of 55-200 CGG repeats located in the FMR1 gene. The main clinical and neuropathological features of FXTAS are progressive intention tremor and gait ataxia associated with brain atrophy, neuronal cell loss and presence of ubiquitin-positive intranuclear inclusions in both neurons and astrocytes. At the molecular level, FXTAS is characterized by increased expression of FMR1 sense and antisense RNA containing expanded CGG or GGC repeats, respectively. Here, we discuss the putative molecular mechanisms underlying FXTAS and notably recent reports that expanded CGG and GGC repeats may be pathogenic through RAN translation into toxic proteins. PMID- 29223505 TI - Pakistan Genetic Mutation Database (PGMD); A centralized Pakistani mutome data source. AB - The development and advancement of next generation sequencing have not only sped up the process of identifying rare variants, but have also enabled scientists to explore all variants in a single individual. The Pakistani population has a high ratio of first degree consanguinity, which is why it is a rich source for various kinds of genetic disorders. Due to the heterogeneous composition of Pakistani population, the likelihood of genetic heterogeneity for each disorder is high. Therefore, the compilation and organization of such vast genetic data is necessary to facilitate access for analysis and interpretation to researchers and medical geneticists. The increased research on Pakistani ethnic families for disease gene identification has revealed many mutations, which has led us to develop a Pakistani mutome database entitled "Pakistan Genetic Mutation Database (PGMD)". In PGMD, the medico-genetic information about diseases are mainly compiled into Syndromic and Non-syndromic disorders. It is a public database, which can be freely accessed from http://www.pakmutation.com. At present, we have registered more than 1000 mutations, reported in about 130 different kinds of genetic disorders. Practically, PGMD will assist researchers, clinicians, and geneticists in genetic counseling and screening of population-specific mutations, which will also aid in personalized healthcare. PMID- 29223506 TI - Treatment planning considerations for permanent breast seed implant. AB - PURPOSE: To determine an optimal planning strategy for permanent breast seed implant that minimizes dose heterogeneity without degrading coverage and conformity. METHODS AND MATERIALS: A simple model was developed to investigate planning strategies incorporating a range of 103Pd seed activities, needle and seed spacings, and implants in which seed positions are either restricted to or permitted outside of spherical planning target volumes (PTVs). To address more realistic target geometries, model parameters were used to retrospectively replan a 10-patient cohort in MIM Symphony. RESULTS: We confirm that the current clinical modified uniform implantation pattern provides the most favorable dose distributions, given the resolution of the template grid and spacer length. We show that needle and seed counts for replans with seed placement permitted 0.3 cm outside of the PTV are most comparable to clinical preplans, but offer a 13 +/- 11% average reduction in the VPTV150%. Replans produced with seed placement 0.5 cm outside of the PTV provide the largest improvement in dose homogeneity, at the cost of a slight increase in irradiated volume and an increase in the number of needles and seeds. CONCLUSIONS: Implanting seeds beyond the PTV within a 0.3-0.5 cm margin, and optimizing seed activity on a per patient basis, allows for improvement in dose homogeneity. However, these plans require higher needle and seed counts and result in a small increase in irradiated volume. Before planning recommendations can be made, the implications of these changes must be investigated in the context of clinical outcome for permanent breast seed implant. PMID- 29223508 TI - On the pharmacokinetics of two inhaled budesonide/formoterol combinations in asthma patients using modeling approaches. AB - Dry powder inhalers containing the budesonide/formoterol combination have currently a well-established position among other inhaled products. Even though their efficacy mainly depends on the local concentrations of the drug they deliver within the lungs, their safety profile is directly related to their total systemic exposure. The aim of the present investigation was to explore the absorption and disposition kinetics of the budesonide/formoterol combination delivered via two different dry powder inhalers in asthma patients. Plasma concentration-time data were obtained from a single-dose, crossover bioequivalence study in asthma patients. Non-compartmental and population compartmental approaches were applied to the available datasets. The non compartmental analysis allowed for an initial characterization of the primary pharmacokinetic (PK) parameters of the two inhaled drugs and subsequently the bioequivalence assessment of the two different dry powder inhalers. The population pharmacokinetic analysis further explored the complex absorption and disposition characteristics of the two drugs. In case of inhaled FOR, a five compartment PK model including an enterohepatic re-circulation process was developed. For inhaled BUD, the incorporation of two parallel first-order absorption rate constants (fast and slow) for lung absorption in a two compartment PK model emphasized the importance of pulmonary anatomical features and underlying physiological processes during model development. The role of potential covariates on the variability of the PK parameters was also investigated. PMID- 29223507 TI - Limitations in learning: How treatment verifications fail and what to do about it? AB - PURPOSE: The purposes of this study were: to provide dialog on why classic incident learning systems have been insufficient for patient safety improvements, discuss failures in treatment verification, and to provide context to the reasons and lessons that can be learned from these failures. METHODS AND MATERIALS: Historically, incident learning in brachytherapy is performed via database mining which might include reading of event reports and incidents followed by incorporating verification procedures to prevent similar incidents. A description of both classic event reporting databases and current incident learning and reporting systems is given. Real examples of treatment failures based on firsthand knowledge are presented to evaluate the effectiveness of verification. These failures will be described and analyzed by outlining potential pitfalls and problems based on firsthand knowledge. RESULTS: Databases and incident learning systems can be limited in value and fail to provide enough detail for physicists seeking process improvement. Four examples of treatment verification failures experienced firsthand by experienced brachytherapy physicists are described. These include both underverification and oververification of various treatment processes. CONCLUSIONS: Database mining is an insufficient method to affect substantial improvements in the practice of brachytherapy. New incident learning systems are still immature and being tested. Instead, a new method of shared learning and implementation of changes must be created. PMID- 29223509 TI - Neuropeptides and breathing in health and disease. AB - Regulatory neuropeptides control and regulate breathing in physiological and pathophysiological conditions. While they have been identified in the neurons of major respiratory areas, they can be active not only at the central level, but also at the periphery via chemoreceptors, vagal afferents, or locally within lungs and airways. Some neuropeptides, such as leptin or substance P, are respiratory stimulants; others, such as neurotensin, produce variable effects on respiration depending on the site of application. Some neuropeptides have been implicated in pathological states, such as obstructive sleep apnea or asthma. This article provides a concise review of the possible role and functions of several selected neuropeptides in the process of breathing in health and disease and in lung pathologies. PMID- 29223510 TI - Low-grade systemic inflammation: a partial mediator of the relationship between diabetes and lung function. AB - PURPOSE: An association has been consistently found between diabetes mellitus and decreased lung function. We evaluated to what extent low-grade inflammation (as measured by the level of high-sensitivity C-reactive protein [hs-CRP]) could explain this relationship. METHODS: A sample of 1878 middle-aged adults from the cross-sectional Enquete Littoral Souffle Air Biologie Environnement survey without self-reported pulmonary and atherosclerosis disease was included. A mediation analysis was performed to assess and quantify the hs-CRP level as a mediator of the relationship between diabetes and lung function. RESULTS: Diabetes was associated with higher hs-CRP level (+22.9%, 95% confidence interval = [5.1, 43.6]). The hs-CRP (>4 vs. <=1 mg/L) was associated with lower percentage predicted values for the forced expiratory volume in the first second (FEV1) (-4% [-6.1, -1.9]) and forced vital capacity (FVC) (-4.4% [-6.5, -2.3]). Diabetes was associated with FEV1 (-3.5% [-5.8, -1.3]) and FVC (-3.6% [-5.9, -1.3]). The proportion of the effect that is mediated by hs-CRP was 12% [2.4, 37] and 13% [3.7, 39.4] for FEV1 and FVC, respectively. CONCLUSIONS: Our results suggest that low-grade systemic inflammation could only explain a small part of the relationship between diabetes and lung function. PMID- 29223511 TI - Ultra-low dose quantitative CT myocardial perfusion imaging with sparse-view dynamic acquisition and image reconstruction: A feasibility study. AB - PURPOSE: We implemented and validated a compressed sensing (CS) based algorithm for reconstructing dynamic contrast-enhanced (DCE) CT images of the heart from sparsely sampled X-ray projections. METHODS: DCE CT imaging of the heart was performed on five normal and ischemic pigs after contrast injection. DCE images were reconstructed with filtered backprojection (FBP) and CS from all projections (984-view) and 1/3 of all projections (328-view), and with CS from 1/4 of all projections (246-view). Myocardial perfusion (MP) measurements with each protocol were compared to those with the reference 984-view FBP protocol. RESULTS: Both the 984-view CS and 328-view CS protocols were in good agreements with the reference protocol. The Pearson correlation coefficients of 984-view CS and 328 view CS determined from linear regression analyses were 0.98 and 0.99 respectively. The corresponding mean biases of MP measurement determined from Bland-Altman analyses were 2.7 and 1.2ml/min/100g. When only 328 projections were used for image reconstruction, CS was more accurate than FBP for MP measurement with respect to 984-view FBP. However, CS failed to generate MP maps comparable to those with 984-view FBP when only 246 projections were used for image reconstruction. CONCLUSION: DCE heart images reconstructed from one-third of a full projection set with CS were minimally affected by aliasing artifacts, leading to accurate MP measurements with the effective dose reduced to just 33% of conventional full-view FBP method. The proposed CS sparse-view image reconstruction method could facilitate the implementation of sparse-view dynamic acquisition for ultra-low dose CT MP imaging. PMID- 29223512 TI - NAFLD: The evolving landscape. PMID- 29223513 TI - Study of first electronic transition and hydrogen bonding state of ultra-thin water layer of nanometer thickness on an alpha-alumina surface by far-ultraviolet spectroscopy. AB - The first electronic transition (A~<-X~) and the hydrogen bonding state of an ultra-thin water layer of nanometer thickness between two alpha-alumina surfaces (0.5-20nm) were studied using far-ultraviolet (FUV) spectroscopy in the wavelength range 140-180nm. The ultra-thin water layer of nanometer thickness was prepared by squeezing a water droplet (~1MUL) between a highly polished alpha alumina prism and an alpha-alumina plate using a high pressure clamp (~4.7MPa), and the FUV spectra of the water layer at different thicknesses were measured using the attenuated total reflection method. As the water layer became thinner, the A~<-X~ bands were gradually shifted to higher or lower energy relative to that of bulk water; at thicknesses smaller than 4nm, these shifts were substantial (0.1-0.2eV) in either case. The FUV spectra of the water layer with thickness <4nm indicate the formation of structured ice-like hydrogen bond (H bond) layers for the higher energy shifts or the formation of slightly weaker H bond layers as compared to those in the bulk liquid state for lower energy shifts. In either case, the H-bond structure of bulk liquid water is nearly lost at thicknesses below 4nm, because of steric hydration forces between the alpha alumina surfaces. PMID- 29223514 TI - Need for integrative thinking to fight against emerging infectious diseases. Proceedings of the 5th seminar on emerging infectious diseases, March 22, 2016 - current trends and proposals. AB - We present here the proceedings of the 5th seminar on emerging infectious diseases, held in Paris on March 22nd, 2016, with seven priority proposals that can be outlined as follows: encourage research on the prediction, screening and early detection of new risks of infection; develop research and surveillance concerning transmission of pathogens between animals and humans, with their reinforcement in particular in intertropical areas ("hot-spots") via public support; pursue aid development and support in these areas of prevention and training for local health personnel, and foster risk awareness in the population; ensure adapted patient care in order to promote adherence to treatment and to epidemic propagation reduction measures; develop greater awareness and better education among politicians and healthcare providers, in order to ensure more adapted response to new types of crises; modify the logic of governance, drawing from all available modes of communication and incorporating new information sharing tools; develop economic research on the fight against emerging infectious diseases, taking into account specific driving factors in order to create a balance between preventive and curative approaches. PMID- 29223515 TI - [Patients assaulted in psychiatric institutions: Literature review and clinical implications]. AB - BACKGROUND: The psychiatric ward is a place where all forms of violence are treated. Occasionally, this violence involves acts of aggression between patients in emergency psychiatric units or hospital wards. Such events can lead to the development or worsening of posttraumatic stress disorder. METHODS: To establish the context, we first examined the epidemiology data concerning posttraumatic stress disorder in psychiatric patients who were frequently exposed to assaults. Secondly, we examined the issue of sexual and physical assaults between patients receiving treatment in a psychiatric ward. In this context, we studied possible occurrence of posttraumatic stress disorder associated with exposure to assaults of this kind. RESULTS: In certain cases, potentially traumatic exposure to violence was unknown to the medical staff or not taken into consideration. This would induce a risk of later development of posttraumatic stress disorder that would not be treated during the stay in psychiatry. CONCLUSION: To date, few scientific studies have focused on the proportion of patients assaulted by other patients during treatment in a psychiatric ward and the subsequent development of peritraumatic reactions and/or posttraumatic stress disorder associated with these assaults. We know that an insufficient number of public and private health institutions report the existence of such facts to the competent authorities. Also, a minority of clinicians and caregivers are trained in screening and management of trauma victims. Yet, these issues are particularly relevant in the scope of public health and health promotion. PMID- 29223516 TI - Antimicrobial activity of plazomicin against Enterobacteriaceae-producing carbapenemases from 50 Brazilian medical centers. AB - Plazomicin is a next-generation aminoglycoside with activity against Enterobacteriaceae, including carbapenemase-producing Enterobacteriaceae (CPE). The aim of this study was to evaluate the activity of plazomicin against CPE (Klebsiella spp., Escherichia coli, Serratia spp., Enterobacter spp., Citrobacter spp., Morganella spp., Proteus spp., Providencia spp.) from different Brazilian hospitals. A total of 4000 carbapenem-resistant Enterobacteriaceae isolates were collected from clinical samples in 50 Brazilian hospitals during 2013-2015. Of these, 499 carbapenem-resistant isolates (CLSI criteria) were selected for further evaluation via broth microdilution to assess for the activity of plazomicin, colistin, tigecycline, meropenem, amikacin, and gentamicin. Additionally, the isolates were assessed for the presence of carbapenemase genes (blaKPC, blaNDM, blaOXA-48-like, blaIMP, blaBKC, blaGES, and blaVIM) by polymerase chain reaction (PCR). When PCR was positive to blaOXA-48-like, blaIMP, blaGES, and blaVIM, the carbapenemase genes were sequenced. blaKPC was the most prevalent carbapenemase gene found (n=397), followed by blaNDM (n=81), blaOXA-48 (n=12), and blaIMP-1 (n=3). Other genes were identified in only 1 isolate each: blaBKC-1, blaGES-16, blaGES-1, blaOXA-370, and blaVIM-1. One isolate had 2 carbapenemase genes (blaKPC and blaNDM). Thirty-three percent of the isolates were nonsusceptible to colistin, 24% to tigecycline, 97% to meropenem, 51% to amikacin, and 81% to gentamicin (via EUCAST criteria). The plazomicin MIC50/90 was 0.5/64mg/L, with 85% of MICs <=2mg/L and 87% of MICs <=4mg/L. Elevated MICs to plazomicin were not associated with a specific carbapenemase or bacterial species. The MICs of plazomicin against CPE were lower than those of other aminoglycosides. Plazomicin is a promising drug for the treatment of CPE infections. PMID- 29223517 TI - Combined Spinal Arteriovenous Malformation and Spinal Dysraphism. AB - BACKGROUND: Spinal vascular malformations as a group are rare, and coexistence of a spinal arteriovenous malformation (AVM) in or around the spinal dysraphism is extremely rare. We report 2 cases of combined spinal dysraphism and vascular malformations of the spinal cord. CASE DESCRIPTION: The first case was an AVM located in a filum terminale lipoma fed by the artery of the filum terminale. This case was managed by multiple endovascular embolizations followed by surgery. The second case was an AVM located in a lumbar lipomyelocele managed by endovascular embolization. These cases illustrate the imaging findings of a rare entity and present the diagnostic and therapeutic challenges. CONCLUSIONS: Endovascular embolization combined with surgical resection is the most commonly used treatment for spinal dysraphism with spinal cord AVM. Careful analysis of spinal angiography is necessary owing to the distorted vascular and surgical anatomy of the region affected by spinal dysraphism. PMID- 29223518 TI - Synchronous Central Nervous System Atypical Teratoid/Rhabdoid Tumor and Malignant Rhabdoid Tumor of the Kidney: Case Report of a Long-Term Survivor and Review of the Literature. AB - BACKGROUND: Atypical teratoid/rhabdoid tumor (AT/RT) of the central nervous system (CNS) with synchronous or metachronous extra-CNS disease is a rare childhood malignancy with a dismal prognosis. CASE DESCRIPTION: We report a 7 week-old female with metastatic AT/RT and synchronous malignant rhabdoid tumor of the kidney who received an intensive multimodal approach combining surgical resection, intrathecal chemotherapy, and high-dose chemotherapy with autologous peripheral blood stem cell transplant (PBSCT). She is currently 24 months old without any evidence of disease. In addition, we completed an extensive literature review of cases with CNS AT/RT and synchronous or metachronous extra CNS primary tumors. To date, 31 pediatric cases have been reported, and the median overall-survival was 6 months after diagnosis. The only 3 survivors received autologous PBSCT, and 2 of these patients had complete resection of their CNS tumor. CONCLUSIONS: The rarity of CNS AT/RT with extra-CNS primary disease and the lack of standard treatment contribute to its reported dismal prognosis. We report a case of a long-term survivor with metastatic AT/RT and synchronous extra-CNS primary tumor. Maximal surgical resection, intrathecal chemotherapy, and consolidative autologous PBSCT may improve prognosis and avoid radiation. PMID- 29223519 TI - Efficacy of Reinforced Restriction of Physical Activity on Chronic Subdural Hematoma: Prospective Pilot Study. AB - BACKGROUND: Chronic subdural hematoma (CSDH) is a common entity in neurosurgical practice. However, as a result of the high rate in recurrence, morbidity, and mortality for surgical management, conservative management of CSDH is emerging as a new treatment strategy. Head trauma is a known risk factor of CSDH and plays as an initiator in the genesis of CSDH. We hypothesized that physical activity might also play an important role in the progression of an asymptomatic CSDH. METHODS: A prospective pilot study aiming to evaluate the efficacy of reinforced restriction of physical activity for the management of asymptomatic or mild symptomatic CSDH was conducted. Twenty-six patients were enrolled in this study. RESULTS: All 26 patients experienced complete resolution of the CSDH ranging from 32 to 182 days (73.1 +/- 19.6 days) since the initiation of reinforced restriction of physical activity. Ages ranged from 43 to 84 years old (64.4 +/- 9.6 years). No patient experienced recurrence of CSDH during the follow-up. CONCLUSIONS: According to our study, physical activity might play a role in the progression of CSDH. Further prospective randomized controlled study is warranted in stable patients without evident intracranial hypertension and impending cerebral herniation. PMID- 29223520 TI - Lumbar Microdiscectomy in Obese Patients: A Multicenter Observational Study. AB - OBJECTIVE: To evaluate the association between obesity and outcomes after microdiscectomy for lumbar disc herniation. METHODS: The primary outcome measure was change in Oswestry Disability Index (ODI) at 1 year after surgery. Obesity was defined as body mass index (BMI) >=30. Prospective data were retrieved from the Norwegian Registry for Spine Surgery. RESULTS: We enrolled 4932 patients, 4018 nonobese and 914 obese. For patients with complete 1-year follow-up (n = 3381) the mean improvement in ODI was 31.2 points (95% confidence interval 30.4 31.9, P < 0.001). Improvement in ODI was 31.4 points in nonobese and 30.1 points in obese patients (P = 0.182). Obese and nonobese patients were as likely to achieve a minimal clinically important difference (84.2 vs. 82.7%, P = 0.336) in ODI (>=10 points improvement). Obesity was identified as a negative predictor for ODI improvement in a multiple regression analysis (BMI 30-34.99; P < 0.001, BMI >=35; P = 0.029). Obese and nonobese patients experienced similar improvement in Euro-Qol-5 scores (0.48 vs. 0.49 points, P = 0.441) as well as back pain (3.7 vs. 3.5 points, P = 0.167) and leg pain (4.7 vs. 4.8 points, P = 0.654), as measured by the Numeric Rating Scale. Duration of surgery was shorter for nonobese patients (55.7 vs. 65.3 minutes, P <= 0.001). Nonobese patients experienced fewer complications compared with obese patients (6.1% vs. 8.3%, P = 0.017). Obese patients had slightly longer hospital stays (2.0 vs. 1.8 days, P = 0.004). CONCLUSIONS: Although they had more minor complications, obese individuals experienced improvement after lumbar microdiscectomy for lumbar disc herniation similar to that of nonobese individuals. PMID- 29223521 TI - Risk Factors Analysis for Foot Drop Associated with Lumbar Disc Herniation: An Analysis of 236 Patients. AB - OBJECTIVES: To identify the risk factors for foot drop in patients with lumbar disc herniation (LDH). METHODS: Two hundred thirty-six patients who underwent surgery for LDH were retrospectively reviewed. Foot drop was defined as tibialis anterior muscle strength of lower than grade 4 by the manual muscle test. Possible risk factors, including demographic and radiographic parameters, were evaluated by multivariate logistic regression analysis. RESULTS: Fifty-two patients (22.9%) suffered from foot drop. Multivariate logistic regression analysis revealed that diabetes mellitus, disc calcification, patients who had an acute episode or acute-on-chronic episode, and patients who presented with lateral recess or extraforaminal type of disc herniation were at greater risk of foot drop. Notably, patients who had a canal occupancy rate of more than 50% were at greater risk of foot drop compared with patients who had a canal occupy rate of less than 25%. With a 1.0-mm increase in anteroposterior diameter of the index spinal canal, the risk of developing foot drop decreased to 51.8% in these patients (P < 0.05). CONCLUSIONS: The following factors may affect the development of foot drop in patients with LDH: 1) diabetes mellitus; 2) patients with an acute episode or acute-on-chronic episode; 3) patients with lateral recess or foraminal type of herniation; 4) disc calcification; 5) canal occupancy rate greater than 50%; and 6) the anteroposterior diameter of canal. Surgical treatments for patients with those risk factors should be implemented positively during the follow-up period to reduce possible adverse outcomes. PMID- 29223522 TI - Custom-Made Titanium 3-Dimensional Printed Interbody Cages for Treatment of Osteoporotic Fracture-Related Spinal Deformity. AB - BACKGROUND: Advances in minimally invasive interbody fusion have greatly enhanced surgeons' capability to correct adult spinal deformity with reduced morbidity. However, the feasibility of such approaches is limited in patients with previous osteoporotic fractures as the resultant vertebral deformity renders the end plate geometry incongruous with conventional interbody implants. Current 3-dimensional (3D) printing technology offers a novel solution by fabricating custom-made implants tailored to individual anatomy. We present the results of a patient with osteoporotic lumbar fractures treated by such technology. CASE DESCRIPTION: A 74 year-old woman, with previous osteoporotic fractures at L2 and L3 resulting in concave deformity of the end plates, presented with intractable radiculopathy secondary to lateral recess and foraminal stenosis (L2-3 and L3-4). A minimally invasive lateral lumbar interbody fusion at L2-3 and L3-4 was considered favorable, but due to the associated vertebral collapse, off-the-shelf implants were not compatible with patient anatomy. In silico simulation based on preoperative computed tomography (CT) imaging was thus conducted to design customized cages to cater for the depressed recipient end plates and vertebral loss. The design was converted to implantable titanium cages through 3D additive manufacturing. At surgery, a tight fit between the implants and the targeted disk space was achieved. Postoperative CT scan confirmed excellent implant-end plate matching and restoration of lost disk space. The patient began to ambulate from postoperative day 1 and at 6-month follow-up resolution of radicular symptoms and CT evidence of interbody fusion were recorded. CONCLUSIONS: 3D-printed custom made interbody cages can help overcome the difficulties in deformity correction secondary to osteoporotic fractures. PMID- 29223523 TI - Effect of Smoking Status on Successful Arthrodesis, Clinical Outcome, and Complications After Anterior Lumbar Interbody Fusion (ALIF). AB - BACKGROUND: Anterior lumbar interbody fusion (ALIF) is a surgical technique indicated for the treatment of several lumbar pathologies. Smoking has been suggested as a possible cause of reduced fusion rates after ALIF, although the literature regarding the impact of smoking status on lumbar spine surgery is not well established. This study aims to assess the impact of perioperative smoking status on the rates of perioperative complications, fusion, and adverse clinical outcomes in patients undergoing ALIF surgery. METHODS: A retrospective analysis was performed on a prospectively maintained database of 137 patients, all of whom underwent ALIF surgery by the same primary spine surgeon. Smoking status was defined by the presence of active smoking in the 2 weeks before the procedure. Outcome measures included fusion rates, surgical complications, Short-Form 12, and Oswestry Disability Index. RESULTS: Patients were separated into nonsmokers (n = 114) and smokers (n = 23). Univariate analysis demonstrated that the percentage of patients with successful fusion differed significantly between the groups (69.6% vs. 85.1%, P = 0.006). Pseudarthrosis rates were shown to be significantly associated with perioperative smoking. Results for other postoperative complications and clinical outcomes were similar for both groups. On multivariate analysis, the rate of failed fusion was significantly greater for smokers than nonsmokers (odds ratio 37.10, P = 0.002). CONCLUSIONS: The rate of successful fusion after ALIF surgery was found to be significantly lower for smokers compared with nonsmokers. No significant association was found between smoking status and other perioperative complications or adverse clinical outcomes. PMID- 29223524 TI - Gamma Knife Stereotactic Radiosurgery for Nonvestibular Cranial Nerve Schwannomas. AB - BACKGROUND: Nonvestibular cranial schwannomas represent a rare type of benign intracranial tumor. Few studies have evaluated the use of stereotactic radiosurgery (SRS) as a primary management option for these lesions. We performed a retrospective review of our institution's experience focusing on efficacy with regard to tumor control and clinical symptom stabilization as well as treatment safety. METHODS: Patients were included if they underwent at least 1 SRS procedure for a nonvestibular schwannoma and had at least 6 months of available imaging follow-up. Demographic, SRS dose planning, clinical, and imaging data were collected from chart reviews of treated patients. chi2 and Kaplan-Meier analyses were performed. RESULTS: Between 2004 and 2016, 35 schwannomas were treated in 34 patients. Median follow-up was 48 months. Median age at time of treatment was 51 years. Three patients had neurofibromatosis 2. Schwannoma location was trigeminal (57%), facial (20%), jugular foramen (14%), abducens (6%), and trochlear (3%). Median margin dose delivered was 13 Gy. The 5-year and 10-year tumor control rates were 94.4% and 88.5%, respectively. Presenting clinical symptoms stabilized or improved in 79% of cases after radiosurgery, and new or worsening symptoms were seen in 21%. CONCLUSIONS: SRS is a safe and effective modality for treatment of nonvestibular cranial nerve schwannomas. PMID- 29223525 TI - Rare Thymoma Metastases to the Spine: Case Reports and Review of the Literature. AB - BACKGROUND: We report a series of 3 cases of metastatic thymoma to the spine with spinal cord compression. An extensive literature review of thymic metastases to the spine was completed to provide a comprehensive appraisal of current prognostic indicators and potential treatment algorithms to help guide clinicians in treatment management. CASE DESCRIPTIONS: Between 2000 and 2017, 3 patients received diagnoses of thymic metastases to the spine at our institution. Metastasis presentation occurred from 2 to 8 years after the initial diagnosis with thymic cancer. All 3 patients presented with signs and symptoms of spinal cord/cauda equina compression, and underwent surgical intervention. Postoperative treatments varied among all 3 patients, 1 receiving chemotherapy, another undergoing radiation, and the third having had no further treatment because of extensive systemic disease. CONCLUSIONS: Upon review of the literature, 16 case reports/series described 28 total patients with spine metastases secondary to thymoma/thymic carcinoma. The presentations varied widely, including age, neurologic deficits, time from initial diagnosis to metastasis, and histologic grading. The only widely accepted prognostic factor is completeness of tumor resection, whereas clinical staging, histologic type, or both may also have prognostic value. Thus, gross total resection and spinal decompression should be prioritized in cases of surgical intervention. Chemotherapy and radiotherapy are generally recommended. However, given the lack of standardized treatment algorithms, individualized regimens should be formulated on a case-specific basis. PMID- 29223526 TI - Spontaneous Spinal Arthrodesis in Stand-Alone Percutaneous Pedicle Screw Fixation Without in Situ Fusion in Patients With Lumbar Segmental Instability: Long-Term Clinical, Radiologic, and Functional Outcomes. AB - BACKGROUND: No study to date has established how commonly spontaneous fusion occurs after stand-alone percutaneous pedicle screw fixation in adult population. In this retrospective single-center study, we investigated the effectiveness, long-term solidity and safety of stand-alone percutaneous pedicle screw fixation without in situ fusion and the influence of presence or absence of fusion on the clinical outcome of patients with low-grade lumbar segmental instability. METHODS: Eighty-eight patients with symptomatic low-grade spondylolisthesis were treated with posterior stand-alone percutaneous pedicle screw fixation without bone graft. Radiographic evaluation was used to determine if spontaneous fusion or absence of fusion was present. The solid fusion and absence of fusion groups were analyzed clinically (visual analog scale and Oswestry Disability Index) and with a validated self-administered questionnaire. RESULTS: The average duration of follow-up was 70.5 months (range, 48-120 months). Radiologic signs of spontaneous fusion were present in 45.5% of the cohort and absent in 54.5%. Clinical outcome was excellent to good in 73.8% of the cohort (in 70.9% of cases with spontaneous fusion and in 67.5% of cases with absence of fusion). No significant differences in visual analog scale scores for residual back and lower limb pain between the 2 groups were seen at the final follow-up. At the final follow-up, 5 of 88 patients (5.6%) underwent revision surgery. CONCLUSIONS: Percutaneous pedicle screw fixation offers several advantages that help minimize approach-related morbidity, while achieving similar clinical outcome as seen with more traditional invasive procedures. A solid fixation without bone graft provides long-term clinical benefits. In our patients, the appearance of a spontaneous solid fusion and the absence of fusion after stand-alone pedicle screw fixation were correlated with similar improved clinical outcomes at long term follow-up. PMID- 29223527 TI - Low doses of prenatal ethanol exposure and maternal separation alter HPA axis function and ethanol consumption in adult male rats. AB - Adverse maternal behaviors during pregnancy and unfavorable postnatal experiences during development are associated with an increased risk of developing psychiatric disorders, as well as, a vulnerability to alcohol addiction in adulthood. Here, we examined the effects of combined ethanol exposure during late pregnancy and postnatal maternal separation (MS) on HPA responsiveness, anxiety behavior and preference for alcohol consumption in adult male rats. Animals exposed to both conditions revealed a decrease in blood levels of allopregnanolone accompanied by increased anxiety behavior. In addition, basal blood levels of corticosterone were markedly decreased in all experimental groups while increases in the foot-shock-induced corticosterone levels were more pronounced in MS animals. Finally, evaluating EtOH drinking behavior, MS animals exhibited a remarkable EtOH preference even at low doses (0.1-1%). Altogether, these data suggest that adverse conditions, alone or in combination, may alter anxiety-like states as well as modify behavior towards alcohol consumption. PMID- 29223528 TI - GLP-1 receptor agonists downregulate aberrant GnT-III expression in Alzheimer's disease models through the Akt/GSK-3beta/beta-catenin signaling. AB - Alterations of glycoprotein glycans contribute to a wide variety of diseases. Bisecting N-acetylglucosamine (GlcNAc) levels increased in the cerebrospinal fluid of most Alzheimer's disease (AD) patients, and the mRNA levels of N acetylglucosaminyltransferase III (GnT-III), a glycosyltransferase responsible for synthesizing a bisecting GlcNAc residue, were found highly expressed in the brains of AD patients. In our previous studies, glucagon-like peptide-1 (GLP-1) and its mimetics showed neuroprotective effects. Here, we confirmed that four weeks' treatment of exendin-4 could rescue memory deficits and neuropathological changes in APP/PS1 mice. We further explored the underlying mechanism and especially the role of GnT-III in it. We demonstrated for the first time that the levels of GnT-III and bisecting GlcNAc were increased in APP/PS1 mice and Abeta25 35-treated PC12 cells, and GLP-1 receptor agonists (GLP-1RA) could downregulate aberrant neuronal expression of GnT-III and bisecting GlcNAc. We also found that GLP-1RA recovered the phosphorylation levels of Akt (Ser473) and GSK-3beta (Ser9) and the levels of beta-catenin in mice and cell models. Furthermore, the results indicated that inhibitor LY294002 attenuated these effects of GLP-1RA in PC12 cells, and beta-catenin siRNA abolished the effect of GLP-1RA on GnT-III. In summary, our results suggest that GnT-III plays an important role in AD and GLP 1RA could downregulate aberrant GnT-III expression through the Akt/GSK-3beta/beta catenin signaling pathway in neurons. PMID- 29223530 TI - Diet Quality of Chronic Kidney Disease Patients and the Impact of Nutritional Counseling. AB - OBJECTIVES: The aims of the study were to evaluate the quality of the diet of nondialysis-dependent patients with chronic kidney disease and to investigate the impact of dietary counseling in the quality of the diet of these patients. METHODS: In the cross-sectional analysis, 3-day food records of 100 nondialysis dependent patients with chronic kidney disease patients, in the first visit to the renal dietitians, were evaluated using the Diet Quality Index (DQI). Under reporters were excluded. DQI is comprised by 10 components: 6 are food groups (fruits, vegetables, cereals, milk and dairy, meats and eggs, and legumes); 3 are nutrients (total fat, sodium, and cholesterol), and the last one is the diet variety. Each component is scored from 0 to 10, according to the adequacy of the Brazilian dietary guideline, and an overall score ranging from 0 (poor) to 100 (good) is obtained. In a subsample of 44 patients, a prospective analysis was performed to compare the DQI and its components before and after dietary counseling. RESULTS: The median DQI score was 68.6 (62.3-75.6; interquartile range), which means that most of the patients (92%) had a diet that "needs improvement" (DQI between 50 and 80 points). The DQI components with the lowest scores (lower adequacy) were sodium (0.0 [0.0-0.9]), dairy (3.9 [2.1-6.0]), and vegetables (6.0 [2.8-9.5]), whereas meat/egg, legumes, and cholesterol had the highest scores. Vegetables, legumes, and diet variety components were significantly lower in the lower tertiles of DQI. After a median follow-up of 25.0 (17.0-35.8) months comprising 6 (5-10) visits to the dietitian, energy, protein, and micronutrients intake were significantly reduced. The dietary counseling did not improve the overall DQI (after: 69.0 [69.0-74.8]; P = .95) and, a significant reduction in the score of legumes (from 10.0 [2.7-10.0] to 7.8 [4.7-10.0], P = .00) and diet variety (from 7.0 [5.3-10.0] to 6.0 [4.0-9.0], P = .02) components were observed. CONCLUSION: The diet of this cohort of patients needs to be improved, particularly regarding vegetables, food variety, and sodium intake. Dietary counseling had no positive impact on the diet quality. This result highlights the importance of focusing the dietary counseling not simply on nutrient or food restriction but providing healthy food choices aiming to improve the overall diet quality of the patients. PMID- 29223529 TI - Corticosterone impairs gap junctions in the prefrontal cortical and hippocampal astrocytes via different mechanisms. AB - Increasing evidence has implicated astrocyte pathology in the etiopathology of major depressive disorder (MDD). In particular, dysfunction of gap junctions in astrocytes is a potential target for MDD treatment. However, the mechanism underlying stress-induced dysfunction of gap junctions is still unknown. We therefore studied the mechanism of stress-induced dysfunction of gap junctions in prefrontal cortical and hippocampal astrocytes. Corticosterone (CORT) was used to induce stress conditions; CORT damaged the function of gap junctions, which resulted from less distribution of connexin43 (Cx43) on membranes and the enhanced phosphorylation of Cx43 at S368. Moreover, CORT downregulated the biosynthesis of Cx43 but increased the degradation of Cx43. Interestingly, both autophagy and the proteasome system were involved in the degradation of Cx43 in prefrontal cortical astrocytes, but only the proteasome system was involved in the degradation of Cx43 in hippocampal astrocytes. CORT significantly induced the formation of annular gap junction vesicles in prefrontal cortical astrocytes; however, Cx43 mainly presented as small dots in the hippocampal astrocytes. Furthermore, CORT increased N-Cadherin expression and the interactions of Cx43 with ZO-1/drebrin in prefrontal cortical astrocytes, but these interactions were oppositely modulated in hippocampal astrocytes. In conclusion, this study clarified the alternations of the Cx43 life cycle in the prefrontal cortical and hippocampal astrocytes exposed to CORT, which may contribute to our understanding of the mechanisms underlying stress-induced dysfunction of gap junctions. PMID- 29223531 TI - Self-assembly regulated anticancer activity of platinum coordinated selenomethionine. AB - It is urgently desired that self-assembly methods can be used to develop smart nanomedicines with adjustable anticancer activity and concise structure. Herein, we design carrier-free small molecule assemblies of platinum coordinated selenomethionine, which exhibit adjustable anticancer activity regulated by their self-assembly behaviors. The small molecule assemblies are prepared by coordination of selenomethionine esters with cisplatin. Their self-assembly behaviors can be tuned by esterification between selenomethionine and alcohols with different alkyl lengths, which results in adjustable anticancer activities. The coordination assemblies exhibit high anticancer activity as well as low side effects. Mechanistic studies indicate that they can consume glutathione (GSH) and therefore induce high level of reactive oxygen species (ROS) in cancer cells, which further lead to cell apoptosis. Our findings provide new strategies and insights in developing small molecule assemblies for cancer treatment. PMID- 29223532 TI - New insights into the influence of monofluorination on dimyristoylphosphatidylcholine membrane properties: A solid-state NMR study. PMID- 29223533 TI - Atomic structure and enzymatic insights into the vancomycin-resistant Enterococcus faecalis (V583) alkylhydroperoxide reductase subunit C. AB - The Enterococcus faecalis alkyl hydroperoxide reductase complex (AhpR) with its subunits AhpC (EfAhpC) and AhpF (EfAhpF) are of paramount importance to restore redox homeostasis. Recently, the novel phenomenon of swapping of the catalytic domains of EfAhpF was uncovered. Here, we visualized its counterpart EfAhpC (187 residues) from the vancomycin-resistant E. faecalis (V583) bacterium by electron microscopy and demonstrate, that in contrast to other bacterial AhpCs, EfAhpC forms a stable decamer-ring irrespective of the redox state. The first crystallographic structure (2.8A resolution) of the C-terminal truncated form (EfAhpC1-172) confirms the decamer ring and provides new insight into a transition state in-between a fully folded to a locally unfolded conformation in the catalytic center due to redox modulation. Amino acid substitutions of residues in the N- and C-termini as well as the oligomeric interphase of EfAhpC provide information into their structural and enzymatic roles. Mutagenesis, enzymatic and biophysical studies reveal the effect of the unusual existence of four cysteines in EfAhpC, which might optimize the functional adaptation of the E. faecalis enzyme under various physiological conditions. PMID- 29223534 TI - Systemic recovery and therapeutic effects of transplanted allogenic and xenogenic mesenchymal stromal cells in a rat blunt chest trauma model. AB - BACKGROUND: Effective therapy of Acute Lung Injury (ALI) is still a major scientific and clinical problem. To define novel therapeutic strategies for sequelae of blunt chest trauma (TxT) like ALI/Acute Respiratory Distress Syndrome, we have investigated the immunomodulatory and regenerative effects of a single dose of ex vivo expanded human or rat mesenchymal stromal cells (hMSCs/rMSCs) with or without priming, immediately after the induction of TxT in Wistar rats. METHODS: We analyzed the histological score of lung injury, the cell count of the broncho alveolar lavage fluid (BAL), the change in local and systemic cytokine level and the recovery of the administered cells 24 h and 5 days post trauma. RESULTS: The treatment with hMSCs reduced the injury score 24 h after trauma by at least 50% compared with TxT rats without MSCs. In general, TxT rats treated with hMSCs exhibited a lower level of pro-inflammatory cytokines (interleukin [IL]-1B, IL-6) and chemokines (C-X-C motif chemokine ligand 1 [CXCL1], C-C motif chemokine ligand 2 [CCL2]), but a higher tumor necrosis factor alpha induced protein 6 (TNFAIP6) level in the BAL compared with TxT rats after 24 h. Five days after trauma, cytokine levels and the distribution of inflammatory cells were similar to sham rats. In contrast, the treatment with rMSCs did not reveal such therapeutic effects on the injury score and cytokine levels, except for TNFAIP6 level. CONCLUSION: TxT represents a suitable model to study effects of MSCs as an acute treatment strategy after trauma. However, the source of MSCs has to be carefully considered in the design of future studies. PMID- 29223535 TI - Corrigendum to "A consensus introduction to serum replacements and serum-free media for cellular therapies" [Cytotherapy 19 (2017) 155-169]. PMID- 29223536 TI - Polymeric gels for intravaginal drug delivery. AB - Intravaginal drug delivery can elicit a local effect, or deliver drugs systemically without hepatic first pass metabolism. There are a number of emerging areas in intravaginal drug delivery, but the vagina is a challenging route of administration, due to the clearance mechanisms present which result in poor retention of dosage forms, and the potential for irritation and other adverse reactions. Gel formulations are desirable due to the ease of application, spreading and that they cause little to no discomfort to the patient. However, these dosage forms, in particular, are poorly retained and traditional gels typically have little control over drug release rates. This has led to a large number of studies on improving the retention of vaginal gels and modulating the controlled release of drugs from the gel matrix. This review outlines the anatomy and physiology of the vagina, focussing on areas relevant to drug delivery. Medical applications of vaginally administered medicines is then discussed, followed by an overview of polymeric gels in intravaginal drug delivery. The sensorial properties of intravaginal gels, and how these relate to user compliance are also summarised. Finally, some important barriers to marketing approval are described. PMID- 29223537 TI - RANKL Signaling Sustains Primary Tumor Growth in Genetically Engineered Mouse Models of Lung Adenocarcinoma. AB - INTRODUCTION: NSCLC is the leading cause of cancer mortality. Recent retrospective clinical analyses suggest that blocking the receptor activator of NF-kappaB (RANK) signaling pathway inhibits the growth of NSCLC and might represent a new treatment strategy. METHODS: Receptor activator of NF-kappaB gene (RANK) and receptor activator of NF-kappaB ligand gene (RANKL) expression in human lung adenocarcinoma was interrogated from publicly available gene expression data sets. Several genetically engineered mouse models were used to evaluate treatment efficacy of RANK-Fc to block RANKL, with primary tumor growth measured longitudinally using microcomputed tomography. A combination of RANKL blockade with cisplatin was tested to mirror an ongoing clinical trial. RESULTS: In human lung adenocarcinoma data sets, RANKL expression was associated with decreased survival and KRAS mutation, with the highest levels in tumors with co occurring KRAS and liver kinase B1 gene (LKB1) mutations. In KrasLSL-G12D/WT, KrasLSL-G12D/WT; Lkb1Flox/Flox and KrasLSL-G12D/WT; p53Flox/Flox mouse models of lung adenocarcinoma, we monitored an impaired progression of tumors upon RANKL blockade. Despite elevated expression of RANKL and RANK in immune cells, treatment response was not associated with major changes in the tumor immune microenvironment. Combined RANK-Fc with cisplatin revealed increased efficacy compared with that of single agents in p53- but not in Lkb1-deficient tumors. CONCLUSIONS: RANKL blocking agents impair the growth of primary lung tumors in several mouse models of lung adenocarcinoma and suggest that patients with KRAS mutant lung tumors will benefit from such treatments. PMID- 29223538 TI - Curcumin induces osteoblast differentiation through mild-endoplasmic reticulum stress-mediated such as BMP2 on osteoblast cells. AB - AIMS: Curcumin (diferuloylmethane or [1E,6E]-1,7-bis[4-hydroxy-3-methoxyphenyl] 1,6heptadiene-3,5-dione) is a phenolic natural product derived from the rhizomes of the turmeric plant, Curcuma longa. It is reported to have various biological actions such as anti-oxidative, anti-inflammatory, and anti-cancer effects. However, the molecular mechanism of osteoblast differentiation by curcumin has not yet been reported. MAIN METHODS: The cytotoxicity of curcumin was identified using the 3-(4,5-dimethylthiazol-2yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Expression of osteogenic markers and endoplasmic reticulum (ER) stress markers in C3H1-T1/2 cells were measured using reverse-transcriptase polymerase chain reaction (RT-PCR) and Western blotting. Alkaline phosphatase (ALP) staining was performed to assess ALP activity in C3H10T1/2 cells. Transcriptional activity was detected using a luciferase reporter assay. KEY FINDINGS: Curcumin increased the expression of genes such as distal-less homeobox 5 (Dlx5), runt-related transcription factor 2 (Runx2), ALP, and osteocalcin (OC), which subsequently induced osteoblast differentiation in C3H10T1/2 cells. In addition, ALP activity and mineralization was found to be increased by curcumin treatment. Curcumin also induced mild ER stress similar to bone morphogenetic protein 2 (BMP2) function in osteoblast cells. Next, we confirmed that curcumin increased mild ER stress and osteoblast differentiation similar to BMP2 in C3H10T1/2 mesenchymal stem cells. Transient transfection studies also showed that curcumin increased ATF6-Luc activity, while decreasing the activities of CREBH-Luc and SMILE-Luc. In addition, similar to BMP2, curcumin induced the phosphorylation of Smad 1/5/9. SIGNIFICANCE: Overall, these results demonstrate that curcumin-induced mild ER stress increases osteoblast differentiation via ATF6 expression in C3H10T1/2 cells. PMID- 29223539 TI - Losartan suppresses the kainate-induced changes of angiotensin AT1 receptor expression in a model of comorbid hypertension and epilepsy. AB - AIMS: Experimental and clinical studies have demonstrated that components of renin-angiotensin system are elevated in the hippocampus in epileptogenic conditions. In the present work, we explored the changes in the expression of angiotensin II receptor, type 1 (AT1 receptor) in limbic structures, as well as the effect of the AT1 receptor antagonist losartan in a model of comorbid hypertension and epilepsy. MAIN METHODS: The expression of AT1 receptors was compared between spontaneously hypertensive rats (SHRs) and Wistar rats by using immunohistochemistry in the kainate (KA) model of temporal lobe epilepsy (TLE). The effect of losartan was studied on AT1 receptor expression in epileptic rats that were treated for a period of 4weeks after status epilepticus. KEY FINDINGS: The naive and epileptic SHRs were characterized by stronger protein expression of AT1 receptor than normotensive Wistar rats in the CA1, CA3a, CA3b, CA3c field and the hilus of the dentate gyrus of the dorsal hippocampus but fewer cells were immunostained in the piriform cortex. Increased AT1 immunostaining was observed in the basolateral amygdala of epileptic SHRs but not of epileptic Wistar rats. Losartan exerted stronger and structure-dependent suppression of AT1 receptor expression in SHRs compared to Wistar rats. SIGNIFICANCE: Our results confirm the important role of AT1 receptor in epilepsy and suggest that the AT1receptor antagonists could be used as a therapeutic strategy for treatment of comorbid hypertension and epilepsy. PMID- 29223540 TI - Protective effect of coptisine free base on indomethacin-induced gastric ulcers in rats: Characterization of potential molecular mechanisms. AB - AIMS: The aim of this study was to comparatively investigate the potential gastroprotective effect and underlying mechanisms of coptisine free base (CFB, 8 hydroxy-7, 8-dihydrocoptisine), berberine and lansoprazole against indomethacin induced gastric ulcer in rats. MATERIALS AND METHODS: CFB (10, 20 and 40mg/kg), berberine (20mg/kg) and lansoprazole (30mg/kg) were orally administrated to rats prior to indometacin ingestion, and gastric lesions were evaluated macroscopically and histologically, and further analyzed by ELISA, qRT-PCR and Western blot. KEY FINDINGS: CFB exerted comparable or superior gastroprotective effect to berberine in protecting against indomethacin-induced gastric injury. CFB pretreatment significantly enhanced the levels of superoxide dismutase (SOD) and glutathione (GSH), and markedly decreased the malonaldehyde (MDA) content. CFB administration effectively suppressed the levels of myeloperoxidase (MPO), interleukin-1beta (IL-1beta), tumor necrosis factor-alpha (TNF-alpha) and angiotensin II (Ang II). Besides, CFB substantially up-regulated the mRNA expressions of cyclooxygenase-1 (COX-1) and cyclooxygenase-2 (COX-2), and promoted gastric mucosal prostaglandin E2 level (PGE2). Furthermore, CFB pretreatment remarkably increased the translocation of nuclear factor erythroid 2 related factor 2 (Nrf2) from cytosol into the nucleus, and the expression of heme oxygenase-1 (HO-1), while significantly decreased the expression of mitogen activated protein Kinase Kinase 6 (MKK6) and translocation of p38 mitogen activated protein kinase (p38 MAPK). SIGNIFICANCE: This was the first investigation reporting the anti-ulcer effect of protoberberine alkaloid free base on in vivo rodent model. The gastroprotective mechanism of CFB might involve favorable regulation of antioxidant and anti-inflammatory status mediated, at least partially, by the Nrf2 signaling pathway and p38 MAPK translocation. PMID- 29223541 TI - Functional role of lncRNA LOC101927497 in N-methyl-N'-nitro-N-nitrosoguanidine induced malignantly transformed human gastric epithelial cells. AB - AIMS: Evidence shows that aberrant expression of long non-coding RNA (lncRNA) is closely associated with tumor development and progression. However, the role of lncRNA in environmental carcinogen induced gastric tumorigenesis remains largely unknown. This study aimed at investigating the function role of lncRNA in N methyl-N'-nitro-N-nitrosoguanidine (MNNG) induce malignantly transformed human gastric epithelial cells. MAIN METHODS: In this study, high-throughput sequencing and qRT-PCR assay revealed marked downregulation of lncRNA LOC101927497 in the malignant transformed gastric epithelial cells induced by MNNG (GES-1-T cells), gain-of-function and loss-of-function assays showed that LOC101927497 can suppress the proliferation and migration of GES-1-T cells in vitro. RNA antisense purification experiment showed that LOC101927497 interacted with miR-574-5p in GES-1-T cells the most obvious. Further studies suggested that LOC101927497 may function as a tumor suppressor by interacting with miR-574-5p. KEY FINDINGS: LncRNA LOC101927497 functions as a suppressor by interacting with miR-574-5p, thus inhibiting the malignant phenotype of GES-1-T cells. SIGNIFICANCE: To the best of our knowledge, this is the first study to demonstrate the role of lncRNA in MNNG-induced gastric tumorigenesis, and it will provide new insights into the role of lncRNA in environmental carcinogen-induced gastric cancer. PMID- 29223542 TI - Interval exercise training increases LIF expression and prevents myocardial infarction-induced skeletal muscle atrophy in rats. AB - AIMS: Myocardial infarction (MI) is commonly associated with body weight loss and skeletal muscle atrophy. Studies have shown that exercise training could give beneficial effects on skeletal muscle growth. Leukemia inhibitory factor (LIF) is a key regulator of muscle growth and regeneration. The aim of this study was to investigate the effects of interval exercise training (IET) on the expression of LIF and the MI-induced skeletal muscle atrophy. MAIN METHODS: Male Sprague-Dawley rats were used to establish the MI model by ligation of the left anterior descending coronary artery. Infarcted Rats were divided into two groups: sedentary MI group (MI) and MI with interval exercise group (ME), and compared to sham-operated group (Sham). Exercise-trained animals were subjected to eight weeks of IET. Cardiac function, collagen volume fraction, expression of LIF and its receptor LIFR, myofiber size, apoptosis and proliferation in gastrocnemius muscle were analyzed. KEY FINDINGS: IET increased heart functional performance and was accompanied with reversing cardiac pathological remodeling. Moreover, IET increased the expression of LIF and LIFR, activated signal transducer and activator of transcription (STAT3), reduced apoptosis and promoted proliferation in gastrocnemius muscle compared with the MI group. In addition, there was a significant negative correlation between skeletal muscle atrophy and LIF expression which was stimulated by IET in infarcted rats. SIGNIFICANCE: IET reverses MI-induced cardiac dysfunction and skeletal muscle atrophy. In addition, IET up-regulates the expression of muscle LIF/LIFR and activates the STAT3. PMID- 29223543 TI - Metagenomic sequencing of environmental DNA reveals marine faunal assemblages from the West Antarctic Peninsula. AB - The West Antarctic Peninsula (WAP) is the fastest warming region in Antarctica where climate impact on the cold-adapted marine ecosystem is already visible. To monitor faunal changes in remote vast bodies of Antarctic waters, efficient and informative tools are essential. High-throughput sequencing of environmental DNA (eDNA) has emerged as one such tool for monitoring biodiversity and ecosystems, as it increases detection sensitivity of taxa, and sampling is often simpler and less costly than traditional collection methods. We collected water samples from four WAP shallow (<=300m) shelf regions, recovered the eDNA therein, and performed metagenomic shotgun sequencing and analyses to determine the effectiveness of this method to assess marine benthic faunal diversity; this includes the detection of deep-water predatory king crabs whose potential shoreward expansion to warming shelves has sparked much concern. Using a customized bioinformatics pipeline, we identified abundant signatures of common benthic invertebrate fauna, endemic notothenioid fishes, as well as lithodid king crabs. We also uncovered species richness and diversity comparable to biological inventories compiled by the use of traditional survey methods, supporting the efficacy of the eDNA shotgun sequencing approach. As the rate of eDNA degradation affects faunal detection sensitivity, we also quantified mitochondrial ND2 gene copies in eDNA derived from a WAP icefish and found ND2 copies persisted to at least 20days in the cold WAP water, much longer than values reported for temperate environments. We propose that eDNA metagenomic sequencing complements traditional sampling, and combining both will enable more inclusive biodiversity detection and faunal change monitoring in the vast Southern Ocean. PMID- 29223544 TI - Does clinic visit education within a multidisciplinary center improve health literacy scores in caregivers of children with complex colorectal conditions? AB - INTRODUCTION: Health literacy is low in an estimated one-third of the US population. Little is known about the health literacy of caregivers of children with colorectal conditions. The objective of this study was to investigate whether a timed health literacy intervention could improve health literacy in this population. METHODS: We used the BRIEF Health Literacy screening (BHLS) tool on caregivers of children who came to our colorectal clinic. Health literacy was categorized as inadequate, marginal, or adequate. The number of caregivers with adequate health literacy was compared to the number of clinic visits and socioeconomic status. RESULTS: We included 233 caregivers. The average number of clinic visits was 3.5 over 1.2years. At the first clinic visit, 70% (n=98) of caregivers had "adequate" health literacy. Scores improved to 88% (p=0.024) after the fourth visit. Socioeconomic factors were not associated with health literacy. Patients of caregivers with "adequate" health literacy visited our clinic 3.8 times, compared to 2.7 times for those with lower literacy (p=0.006). CONCLUSION: Emphasis on providing an education-based approach at each visit increased health literacy significantly. As expected, health literacy was lowest during the first visit, which we believe is the optimal time to implement educational interventions. TYPE OF STUDY: Case Control/Retrospective Comparative Study. LEVEL OF EVIDENCE: Level III. PMID- 29223545 TI - The bowel function and quality of life of Hirschsprung disease patients who have reached 18 years of age or older - the long-term outcomes after undergoing the transabdominal soave procedure. AB - BACKGROUND/PURPOSE: Hirschsprung disease (HD) is considered curable, but the postoperative bowel function is not always satisfactory. In this study, we evaluated the general condition, bowel function, and social performance in adults who were older than 17years of age who had undergone definitive operations in childhood. METHOD: From 1984 to 2016, 110 patients with HD underwent definitive surgery at our institute. Sixty-three patients who had undergone the transabdominal Soave procedure reached 18years of age. Their present status and symptoms, anorectal function, genitourinary function, and social performance were evaluated during the clinical follow-up via a questionnaire survey. RESULT: The mean age of the questionnaire respondents was 25.0 (19-37) years. The bowel function was mostly good. However, 56% of patients had abdominal pain more than once a week. Regarding evacuation symptoms, incontinence and soiling occurred in 18.7%. Among the respondents 33.3% were married, and 60% of those who were married had children. The respondents had achieved success in their education and professional careers. CONCLUSION: The bowel function of most patients was satisfactory, although some had chronic abdominal symptoms. Pediatric surgeons should continue trying to achieve complete bowel function after definitive surgery of HD. TYPE OF STUDY: Prospective Cohort Study. LEVEL OF EVIDENCE: Level III. PMID- 29223546 TI - Sigmoidocolocystoplasty for neurogenic bladder reviewed after 20 years. AB - BACKGROUND/PURPOSE: We report the current status of patients who underwent augmentation cystoplasty (AC) at least 20years previously. METHODS: Surgical history, incidence of urinary tract infection (UTI) and bladder stones, vesicoureteral reflux (VUR), urine cytology, renal function, a colon cancer tumor marker (carcinoembryonic antigen: CEA), and patient outcomes were assessed. RESULTS: Forty patients who underwent AC (mean age: 34.4years; mean follow-up time: 24.3years) were analyzed. Mean age at AC was 11years. Incidence of bladder stones was 30%. There were no incidences of carcinoma after AC, and CEA levels were not increased. Ureteral reimplantation (URI) was performed in 21 patients. URI performed at the same time as AC was successful in 14 cases (93%) and unsuccessful in 1 (7%) because of persistent VUR. UTI developed after AC in only 1 patient (2.5%) with persistent VUR. This patient required unilateral nephrectomy 18years after the AC because of repeated UTIs. Thirty-four patients (85%) were employed, and 4 (10%) were married. Two of the 19 female patients (11%) had experienced pregnancy and delivery. Five patients (13%) had mental disorders. CONCLUSION: Ultra long-term follow-up suggests that AC is a safe procedure with manageable sequelae, although some mental health issues remain. TYPE OF STUDY: Case series with no comparison group. LEVEL OF EVIDENCE: Level IV. PMID- 29223548 TI - Co-occurrence of early gut colonization in neonatal piglets with microbiota in the maternal and surrounding delivery environments. AB - The early development of gut microbiota plays a fundamental role in host health; so far, the main origins of the first colonization in newborn piglets are largely unclear. This study aimed to investigate the early development of gut microbiota in newborn piglets during lactation and their co-occurrence with microbes in the maternal and surrounding environments by Illumina MiSeq sequencing of 16S ribosomal RNA genes. The results showed that the microbial richness and diversity in piglets' feces (PF) significantly increased from birth to weaning (21 d). The composition and function of microbiota in the feces of piglets after birth tended to be similar to those from the slatted floor (FL), sow's milk (SM) and nipple surface (SN), and lacter, the fecal microbial communities of piglets later during lactation were more similar to their mother's. SourceTracker analysis showed that the microbiota from the FL, SM and SN were most likely the earliest passengers to the neonatal gastrointestinal tract, but did not have a long stay during lactation. The sow's fecal microbiota were easier to colonize in newborn piglet's guts via the co-occurrence effect with former settlers. This study suggests that microbes from the maternal and surrounding environments may play an important role in the microbial succession of newborn piglets after birth. PMID- 29223549 TI - The Relation between Blood Count Parameters and Stroke in Patients with Intermediate Carotid Artery Stenosis. PMID- 29223550 TI - Comparative Risks of Ischemic Stroke in Atrial Flutter versus Atrial Fibrillation. AB - INTRODUCTION: The aim of this study was to compare the risk of ischemic stroke in patients who have atrial fibrillation and patients who have atrial flutter. METHODS: Using inpatient and outpatient Medicare claims data from 2008 to 2014 for a 5% sample of all beneficiaries 66 years of age or older, we identified patients diagnosed with atrial fibrillation and those diagnosed with atrial flutter. The primary outcome was ischemic stroke. In the primary analysis, patients with atrial flutter were censored upon converting to fibrillation; in a secondary analysis, they were not. Survival statistics were used to compare incidence of stroke in patients with flutter and patients with fibrillation. Cox proportional hazards analysis was used to compare the associations of flutter and fibrillation with ischemic stroke after adjustment for demographics and risk factors. RESULTS: We identified 14,953 patients with flutter and 318,138 with fibrillation. During a mean follow-up period of 2.8 (+/-2.3) years, we identified 18,900 ischemic strokes. The annual incidence of ischemic stroke in patients with flutter was 1.38% (95% confidence interval [CI] 1.22%-1.57%) compared with 2.02% (95% CI 1.99%-2.05%) in patients with fibrillation. After adjustment for demographics and stroke risk factors, flutter was associated with a lower risk of stroke compared with fibrillation (hazard ratio .69; 95% CI .60-.79, P < .05). Within 1 year, 65.7% (95% CI 64.9%-66.4%) of patients with flutter converted to fibrillation but remained at a lower risk of ischemic stroke (hazard ratio .85; 95% CI .78-.92). CONCLUSIONS: Patients with atrial flutter faced a lower risk of ischemic stroke than patients with atrial fibrillation. PMID- 29223551 TI - Recent advances in delivery of antifungal agents for therapeutic management of candidiasis. AB - Candidiasis is a fungal infection caused by yeasts that belong to the genus Candida. There are over twenty species of Candida yeasts that can cause infection in humans, the most common of which is Candida albicans. Candida yeasts normally reside in the intestinal tract and can be found on mucous membranes and skin without causing infection; however, overgrowth of these organisms can cause symptoms to develop. Presence of other diseases that compromises the patient's immunity makes it more difficult to treat. Candidiasis is majorly divided into superficial infections (oral or vaginal) and systemic infections, also known as invasive candidiasis. The conventional therapeutic modalities used to treat candidiasis are associated with several side effects that limits the dose and dosing frequency. Development of novel drug delivery systems for reduction in dose and alleviation of side effects is an important strategy to improve the clinical efficacy and patient acceptability. This review gives a bird's eye view of the classification and current therapeutic regime of candidiasis. It presents the varied types of drug delivery systems that have been exploited for delivery of antifungal agents with measurable benefits. It also touches upon echinocandins a relatively new class of drugs that are amenable for translation into novel dosage forms with application against biofilm producing and fluconazole resistant strains contributing to a better therapeutic management of candidiasis. PMID- 29223552 TI - Caffeine - rich infusion from Cola nitida (kola nut) inhibits major carbohydrate catabolic enzymes; abates redox imbalance; and modulates oxidative dysregulated metabolic pathways and metabolites in Fe2+-induced hepatic toxicity. AB - The antioxidative and antidiabetic effects and toxicity of caffeine-rich infusion of Cola nitida were investigated using in vitro, ex vivo and in silico models. C. nitida was infused in boiling water and allowed to cool before concentrating at <50 degrees C. HPLC analysis of the infusion revealed a caffeine content of 80.08%. The infusion showed potent in vitro antioxidant activity by significantly (p<0.05) scavenging 2,2'-diphenyl-1-picrylhydrazyl (DPPH). It significantly (p<0.05) inhibited alpha-glucosidase and alpha-amylase activities. Treatment of Fe2+ induced oxidative hepatic tissues with the infusion led to increase Superoxide Dismutase (SOD) and catalase activities, and glutathione (GSH) level as well as decreased malondialdehyde (MDA) level. FTIR spectroscopy of hepatic metabolite revealed restoration of oxidative-induced depleted functional groups by the infusion. LC-MS analysis of the metabolite also revealed restoration of most depleted metabolites with concomitant generation of 4-O-Methylgallic, (-) Epicatechin sulfate, L-Arginine, L-tyrosine, Citric acid and Decanoic acid in infusion-treated tissues. Pathway analysis of the identified metabolites revealed the presence of 21 metabolic pathways involved in normal hepatic tissues, 12 in oxidative injured tissues and 17 in the treated tissues. Treatment with the infusion restored 4 metabolic pathways common to the normal tissue and further activated 4 additional pathways. Prediction of oral toxicity of caffeine showed it to belong to class 3, with a LD50 of 127mg/kg. Its toxicity target was predicted as Adenosine Receptor A2a. It was also predicted to be an inhibitor of CYP1A2. These results suggest the antioxidative and antidiabetic properties of C. nitida infusion, with caffeine as the major constituent. PMID- 29223553 TI - Lipopolysaccharide induces autophagy by targeting the AMPK-mTOR pathway in Human Nasal Epithelial Cells. AB - Chronic rhinosinusitis (CRS) is a well-known disease encountered in the department of otorhinolaryngology, yet little is known about its pathogenesis. Autophagy, a lysosome-dependent degradation process, has been reported to be involved in the process of many chronic inflammatory diseases. Here we tried to evaluate the function of autophagy in CRS as well as explore the related mechanisms. We first stained light chain 3B (LC3B) with immunohistochemistry in uncinate tissues (UT) from patients with and without CRS and found that its expression was up-regulated in CRS patients. Then, Human Nasal Epithelial Cells (HNEpC) were treated with lipopolysaccharide (LPS), one of the most common pathogenic elements in CRS, and we found that autophagy was induced in a dose- and time-dependent manner. This is supported by a rise in the expression of light chain 3B-II (LC3B-II), accumulation of GFP-LC3 vesicles, as well as decreased p62 expression. Furthermore, we found that LPS promoted AMPK phosphorylation and inactived mTOR, while AMPK inhibition by compound C significantly attenuated LPS induced autophagy. Besides, treatment of HNEpC with LPS increased the amount of Toll-like receptor 4 (TLR4) while inhibiting TLR4 by Polymyxin B (PMB) declined autophagy caused by LPS. Taken together, our study first demonstrated that LPS caused autophagy in HNEpC, and this process was AMPK-mTOR dependent. These data suggested the relationship between LPS and autophagy in the pathogenesis of CRS. PMID- 29223554 TI - Oral administration of Nigella sativa oil and thymoquinone attenuates long term cisplatin treatment induced toxicity and oxidative damage in rat kidney. AB - Cisplatin (CP) is an effective anti-cancer drug which causes remarkable toxicity to the kidney, particularly to proximal tubules, by generating reactive oxygen species. Nigella sativa (NS), commonly known as "black cumin" reduces the progression of various kidney disorders. Thymoquinone (TQ), the major bioactive constituent of NS seeds, has been credited for various pharmacological effects of NS. Since, a typical clinical CP dosing regimen involves CP administration in multiple cycles over a long time duration, hence the present study aimed to evaluate the renoprotective efficacy of NS oil and TQ against multiple dose CP treatment induced deleterious biochemical and histological alterations in rat kidney. Adult male Wistar rats were divided into six groups viz. control, CP, CPNSO, CPTQ, NSO and TQ. Animals in CPNSO and CPTQ groups were pre-administered NSO (2ml/kg bwt, orally) and TQ (1.5mg/kg bwt, orally) respectively for 14 days and were then treated with CP (3mg/kg bwt, i.p), every fourth day for 20 days while still receiving NSO/TQ. NSO and TQ administration, prior to and along with CP treatment, attenuated CP induced renal functional impairment as evident by significantly restored serum creatinine and blood urea nitrogen levels. CP treatment alone led to significant decline in the specific activities of brush border membrane (BBM) marker enzymes viz. ALP (-46.64%), GGTase (-50.24%) and LAP (-42.15%), while NSO or TQ administration to CP treated rats significantly prevented the decline in the activities of these enzymes in isolated BBM vesicles (BBMVs) as well as in the homogenates of renal cortex and medulla. Furthermore, both NSO and TQ administration also mitigated the CP induced perturbations in renal metabolic and redox status. Histological studies supported these biochemical results showing significant attenuation of CP induced kidney damage in CPNSO and CPTQ cotreated groups. Thus, NSO and TQ have excellent scope for use as functional food or combinatorial nutraceuticals in CP chemotherapy to ameliorate the accompanying nephropathy in long term cancer chemotherapy. PMID- 29223555 TI - Emerging roles of circular RNA hsa_circ_0000064 in the proliferation and metastasis of lung cancer. AB - Circular RNAs (circRNAs), a novel class of widespread and diverse endogenous RNAs, can regulate gene expression in mammals. CircRNAs have recently been identified as microRNA sponges and involved in the development of some human diseases. However, the role of circRNAs in the process of tumorigenesis and development of lung cancer remains vague. The purpose of this study is to investigate the role of circRNAs in the lung cancer. In this study, we chose hsa_circ_0000064 as a targeted circRNA to investigate its clinical significances in lung cancer patients. The result indicated that hsa_circ_0000064 was up regulated in lung cancer tissues and lung cancer cell lines (A549 and H1229). Moreover, its aberrant expression was correlated with several clinical characteristics, including T stage, lymphatic metastasis, and TNM stage. Fluorescence in situ hybridization detected that hsa_circ_0000064 was mostly located in the cytoplasm in A549 and H1229 cells. In addition, knockdown of hsa_circ_0000064 with siRNA dramatically attenuated the proliferation, blocked cell cycle progression, and promoted cell apoptosis. Western blot analysis showed that the protein levels of caspase-3, caspase-9, bax, p21, CDK6 and cyclin D1 significantly restrained by si-hsa_circ_0000064, while the expression of bcl-2 notably increased in A549 and H1229 cells. Further, si-hsa_circ_0000064 also abated migration and invasion activities of A549 and H1229 cells, which may be associated with reduced expressions of MMP-2 and MMP-9. In general, our data suggest that hsa_circ_0000064 represents a novel potential biomarker and therapeutic target of lung cancer. PMID- 29223556 TI - Therapeutic effects of thymoquinone for the treatment of central nervous system tumors: A review. AB - BACKGROUND: The aim of this study is to review the effects of thymoquinone (TQ) against central nervous systems (CNS) tumors. METHODS: In this study, we extensively reviewed all articles on the terms of N. sativa, TQ, CNS tumors, and different disorders in PubMed, Science Direct, Scopus, and Google Scholar databases between the years 1990 and 2017. RESULTS: The present study found that TQ has many therapeutic effects due to its antioxidant, anti-inflammatory, and anti-proliferative activities. Experimental studies indicated the protective effects of TQ against CNS tumors. The anti-tumor effects of TQ are mainly caused by inducing G2/M cell cycle arrest, apoptotic pathways, inhibiting autophagy, angiogenesis, invasion, and migration and also by enhancing the efficacy of chemotherapeutic drugs. Although, the study observed no significant toxicity of TQ in the experimental models, more clinical studies are needed to confirm the safety and efficacy of TQ for human. CONCLUSIONS: The present review found that TQ treatment can be considered as a promising therapeutic strategy for human malignant CNS in future. PMID- 29223557 TI - Efficacy and Safety of Adding Omega-3 Fatty Acids in Statin-treated Patients with Residual Hypertriglyceridemia: ROMANTIC (Rosuvastatin-OMAcor iN residual hyperTrIglyCeridemia), a Randomized, Double-blind, and Placebo-controlled Trial. AB - PURPOSE: The purpose of this study was to examine the efficacy and safety of adding omega-3 fatty acids to rosuvastatin in patients with residual hypertriglyceridemia despite statin treatment. METHODS: This study was a multicenter, randomized, double-blind, placebo-controlled study. After a 4-week run-in period of rosuvastatin treatment, the patients who had residual hypertriglyceridemia were randomized to receive rosuvastatin 20 mg/d plus omega-3 fatty acids 4 g/d (ROSUMEGA group) or rosuvastatin 20 mg/d (rosuvastatin group) with a 1:1 ratio and were prescribed each medication for 8 weeks. FINDINGS: A total of 201 patients were analyzed (mean [SD] age, 58.1 [10.7] years; 62.7% male). After 8 weeks of treatment, the percentage change from baseline in triglycerides (TGs) and non-HDL-C was significantly greater in the ROSUMEGA group than in the rosuvastatin group (TGs: -26.3% vs -11.4%, P < 0.001; non-HDL-C: 10.7% vs -2.2%, P = 0.001). In the linear regression analysis, the lipid-lowering effect of omega-3 fatty acids was greater when baseline TG or non-HDL-C levels were high and body mass index was low. The incidence of adverse events was not significantly different between the 2 groups. IMPLICATIONS: In patients with residual hypertriglyceridemia despite statin treatment, a combination of omega-3 fatty acids and rosuvastatin produced a greater reduction of TGs and non-HDL-C than rosuvastatin alone. Further study is needed to determine whether the advantages of this lipid profile of omega-3 fatty acids actually leads to the prevention of cardiovascular event. ClinicalTrials.gov identifier: NCT03026933. PMID- 29223559 TI - Assessment of the stability of sheep sausages with the addition of different concentrations of Origanum vulgare extract during storage. AB - The aim of this study was to assess the stability of sheep sausages with the addition of different concentrations of Origanum vulgare extract during storage. Five treatments were prepared: without natural antioxidant (control), sodium erythorbate 500mg/kg (ER), and three amounts of extract (N1=4964.51mg/kg, N2=6630.98mg/kg and N3=8038.20mg/kg). From appearance sensory analysis, control treatment differed significantly compared to ER (P<0.05) and N3 (P<0.01) groups, with intense red color, agreeing with trend of a* values. On the other hand, oregano extract improved the lipid and protein stability of cooked sausages during the storage time. Regarding volatile compounds from lipid oxidation, the N2 group presented the lowest values at the end of chilled period. In conclusion, the oregano extract showed antioxidant potential equivalent to sodium erythorbate at intermediate and high levels, calculated by DPPH? and FRAP methods, and most of the parameters were not compromised, allowing synthetic antioxidants replaced while maintaining the nutritional and sensory quality of cooked sausages. PMID- 29223558 TI - Consumer acceptance of minced meat patties from boars in four European countries. AB - A consumer study was performed in four EU countries to further clarify the acceptability of meat with boar taint. In Denmark, France, Italy and Poland, a total of 476 female consumers evaluated 8 meat patties from boars with varying levels of skatole (0.10-0.40MUg/g fat tissue) and androstenone (0.47-2.00 MUg/g fat tissue), in a pair-wise comparison with patties from castrates. Boar meat patties were always less preferred than the castrate meat patties, regardless of the level of androstenone and skatole. Acceptability of the boar meat patties decreased with increasing skatole level. In samples with low skatole levels, higher levels of androstenone also reduced acceptability among androstenone sensitive consumers. No clear threshold levels for androstenone and skatole could be identified. Maps presenting the reduction in preference due to increasing levels of skatole and androstenone, and corrected for the general acceptance of the meat product were developed, taking into account androstenone sensitivity. Further work is needed, covering the whole range of androstenone and skatole levels found in entire male pigs and for a wider set of meat products. PMID- 29223560 TI - The relationship between intestinal and oral mucosa microcirculation in anaesthetized horses. AB - OBJECTIVE: To compare alteration in intestinal blood flow in anaesthetized horses with changes in oral mucosa blood flow. STUDY DESIGN: Prospective, randomized clinical study. ANIMALS: Eight warmblood horses. METHODS: After induction with guaifenesin and ketamine, anaesthesia was maintained with isoflurane at 1.5 vol% in oxygen. The tissue blood flow was measured using laser Doppler flowmetry at the jejunum, colon, rectal mucosa, oesophageal mucosa and the oral mucosa. After three baseline measurements, blood flow was first increased by dobutamine infusion and thereafter decreased by increasing isoflurane concentration and all measurements repeated twice. anova was used for comparing the measured parameters to baseline and correlation between the different measurement localizations was examined using Pearson correlation (p < 0.05). RESULTS: Microperfusion at all measurement sites increased significantly during dobutamine infusion and decreased significantly during high isoflurane concentration. There was a significant correlation between flow at the oral mucosa and flow at the jejunum (r2 = 0.77, p = 0.002), colon (r2 = 0.76, p < 0.001), rectal mucosa (r2 = 0.88, p < 0.001) and oesophageal mucosa (r2 = 0.83, p <0.001). CONCLUSIONS AND CLINICAL RELEVANCE: Oral mucosa blood flow can be used in isoflurane anaesthetized horses to reflect changes of intestinal microcirculation. PMID- 29223561 TI - Microglia and astrocyte activation in the spinal cord of lame horses. AB - OBJECTIVE: To determine the microglial and astrocyte response to painful lameness in horses. STUDY DESIGN: Ionized calcium binding adaptor molecule 1 (Iba-1) and glial fibrillary acidic protein (GFAP) expression, cell density and morphology were determined through immunofluorescence within the dorsal horn of equine spinal cord. ANIMALS: A total of five adult horses with acute or chronic unilateral lameness, previously scheduled for euthanasia. METHODS: Musculoskeletal lameness was evaluated in five horses through visual evaluation according to clinical guidelines. Spinal cord samples were obtained immediately after euthanasia, and distal limb lesions were confirmed through dissection and radiography. Iba-1 immunostaining was used for detection and characterization of dorsal horn microglia. GFAP was used for immunostaining of dorsal horn astrocytes. Iba-1 and GFAP labeled cells were quantified in the dorsal horn, and intensity of fluorescence was compared between the ipsi- and contralateral dorsal horn to the affected limb, and between dorsal horn segments of all horses. RESULTS: Iba-1 expression was higher in the ipsilateral dorsal horn of the affected limb in contrast to the contralateral side dorsal horn. GFAP markers did not demonstrate increased astrocytic activity on the dorsal horn ipsilateral side to the distal limb lesion of affected horses. Horses with acute lameness predominantly had a spherical shape microglial phenotype, while cells from chronic lameness cases had variable morphology. Astrocytes evidenced small somas and large processes in both acute and chronic lameness, with higher GFAP localization in the main branches. As in the case of rodents, the localization of microglia and astrocytes in horses was mainly situated within laminae I, II and III. CONCLUSIONS AND CLINICAL RELEVANCE: Iba-1 and GFAP are functional and morphological markers of spinal microglial cells and astrocytes in horses with lameness. PMID- 29223562 TI - Can Adolescent Drivers' Motor Vehicle Crash Risk Be Reduced by Pre-Licensure Intervention? AB - PURPOSE: Although motor vehicle crashes are the leading cause of death for adolescents, there is a scarcity of research addressing adolescents' lack of pre licensure practical driving experience, which is theorized to increase their post licensure crash risk. METHODS: Utilizing police-reported crashes and survey data from a randomized and quasi-randomized trial (n = 458 adolescents, 16 or 17 years of age at enrollment), the impact of a parent-directed supervised practice driving intervention and a comprehensive on-road driving assessment (ODA) with feedback was evaluated on adolescent drivers' motor vehicle crashes involvement. RESULTS: Compared with the control condition, a nonsignificant 20% relative reduction in risk was observed for the parent-directed intervention: adjusted hazard ratio = .80 (95% confidence interval [CI] .44, 1.43); the unadjusted absolute risk reduction was 1.1% (95% CI -4.4, 7.1). Exposure to the ODA resulted in an 53% relative reduction of risk: adjusted hazard ratio = .47 (95% CI .24, .91); the unadjusted absolute risk reduction was 5.4% (95% CI -.3, 10.7). CONCLUSIONS: Comprehensive ODA might be protective for adolescents; however, additional research is needed. PMID- 29223563 TI - Sexual Identity, Adverse Childhood Experiences, and Suicidal Behaviors. AB - PURPOSE: The objective of this study was to examine the influence of sexual identity and adverse childhood experiences (ACEs) on suicidal behaviors in a population-based sample of high school students. METHODS: A two-stage cluster random sampling design was used to recruit 5,108 students from 97 high schools. A total of 4,955 students (97%) provided information that allowed for classification of sexual identity into three groups: (1) lesbian, gay, or bisexual (LGB) (10%); (2) not sure (4.6%); and (3) heterosexual (85.4%). Five measures of childhood abuse and household dysfunction were summed, and the ACE score was categorized as 0, 1, 2, and 3-5 ACEs. Weighted logistic regression was used to assess the influence of sexual identity, ACEs, and their interaction on suicide ideation and attempts in the past 12 months. RESULTS: Compared with heterosexual students, those who were LGB and were not sure had higher odds of suicide ideation and attempts. There was also a graded relationship between cumulative ACE exposure and suicidal behaviors. Although sexual identity/ACE interaction was not observed, LGB/not sure students who experienced a high number of ACEs were disproportionately affected. Compared with heterosexual students with 0 ACE, LGB/not sure students with 0 ACE (adjusted odds ratio [AOR] = 3.32, 95% confidence interval [CI] = 1.96-5.61), 1 ACE (AOR = 6.58, 95% CI = 4.05 10.71), 2 ACEs (AOR 13.50, 95% CI = 8.45-21.58), and 3-5 ACEs (AOR = 14.04, 95% CI = 8.72, 22.62) had higher odds of suicide ideation. A similar pattern was observed for suicide attempts. CONCLUSIONS: LGB and students not sure of their sexual identity with greater exposure to ACEs have disproportionately high levels of suicide ideation and attempts. Trauma-informed interventions for these populations are warranted. PMID- 29223564 TI - Indocyanine green-assisted parametrial dissection during type C1 radical hysterectomy after sentinel lymph node biopsy in early stage cervical cancer. AB - OBJECTIVES: The standard treatment for FIGO stage 1B1 cervical cancer is radical hysterectomy (RH) [1]. Indocyanine-green (ICG) is a drug injected within the cervical stroma to detect the sentinel lymph node (SLN) in cervical cancer [2,3]. ICG travels through the lymphatic channels in the lateral parametrium, which results enhanced with green, before reaching the SLNs. This could help identifying the surgical landmarks. The aim of this video is to propose a new approach to perform parametrial dissection as part of RH under the guidance of ICG. METHODS: The patient was a 49-years old woman diagnosed with a FIGO 1B1 moderately-differentiated cervical squamous cell carcinoma. No evidence of lymphoadenopathy on pre-operative imaging. 0.25ml of ICG (1.25mg/ml) were injected superficially and deep at 3 and 9 o'clock in the cervix as first step of the operation. Bilateral SLN biopsy followed by type C1 RH with bilateral salpingo-oophorectomy and bilateral pelvic node dissection was performed. Near infrared camera (PINPOINT(r) - Novadaq Technologies) was used during parametrial dissection. RESULTS: ICG was used as a guide to demarcate the parametrial tissue and assist the dissection of the lateral (paracervix) and anterior (vesico uterine ligament) parametrium off the surrounding structures (bladder and ureter). Operation time was 150min and intraoperative estimated blood loss was 50 mls. No intraoperative or postoperative complication was reported. CONCLUSIONS: ICG-assisted parametrial dissection during RH after SLN biopsy in early stage cervical cancer can be a useful tool to guide the surgeon to perform the procedure and potentially improve surgical outcomes. PMID- 29223565 TI - Compressively sampled MR image reconstruction using generalized thresholding iterative algorithm. AB - Compressed sensing (CS) is an emerging area of interest in Magnetic Resonance Imaging (MRI). CS is used for the reconstruction of the images from a very limited number of samples in k-space. This significantly reduces the MRI data acquisition time. One important requirement for signal recovery in CS is the use of an appropriate non-linear reconstruction algorithm. It is a challenging task to choose a reconstruction algorithm that would accurately reconstruct the MR images from the under-sampled k-space data. Various algorithms have been used to solve the system of non-linear equations for better image quality and reconstruction speed in CS. In the recent past, iterative soft thresholding algorithm (ISTA) has been introduced in CS-MRI. This algorithm directly cancels the incoherent artifacts produced because of the undersampling in k-space. This paper introduces an improved iterative algorithm based on p-thresholding technique for CS-MRI image reconstruction. The use of p-thresholding function promotes sparsity in the image which is a key factor for CS based image reconstruction. The p-thresholding based iterative algorithm is a modification of ISTA, and minimizes non-convex functions. It has been shown that the proposed p thresholding iterative algorithm can be used effectively to recover fully sampled image from the under-sampled data in MRI. The performance of the proposed method is verified using simulated and actual MRI data taken at St. Mary's Hospital, London. The quality of the reconstructed images is measured in terms of peak signal-to-noise ratio (PSNR), artifact power (AP), and structural similarity index measure (SSIM). The proposed approach shows improved performance when compared to other iterative algorithms based on log thresholding, soft thresholding and hard thresholding techniques at different reduction factors. PMID- 29223566 TI - Progress in proton-detected solid-state NMR (SSNMR): Super-fast 2D SSNMR collection for nano-mole-scale proteins. AB - Proton-detected solid-state NMR (SSNMR) spectroscopy has attracted much attention due to its excellent sensitivity and effectiveness in the analysis of trace amounts of amyloid proteins and other important biological systems. In this perspective article, we present the recent sensitivity limit of 1H-detected SSNMR using "ultra-fast" magic-angle spinning (MAS) at a spinning rate (nuR) of 80-100 kHz. It was demonstrated that the high sensitivity of 1H-detected SSNMR at nuR of 100 kHz and fast recycling using the paramagnetic-assisted condensed data collection (PACC) approach permitted "super-fast" collection of 1H-detected 2D protein SSNMR. A 1H-detected 2D 1H-15N correlation SSNMR spectrum for ~27 nmol of a uniformly 13C- and 15N-labeled GB1 protein sample in microcrystalline form was acquired in only 9 s with 50% non-uniform sampling and short recycle delays of 100 ms. Additional data suggests that it is now feasible to detect as little as 1 nmol of the protein in 5.9 h by 1H-detected 2D 1H-15N SSNMR at a nominal signal to-noise ratio of five. The demonstrated sensitivity is comparable to that of modern solution protein NMR. Moreover, this article summarizes the influence of ultra-fast MAS and 1H-detection on the spectral resolution and sensitivity of protein SSNMR. Recent progress in signal assignment and structural elucidation by 1H-detected protein SSNMR is outlined with both theoretical and experimental aspects. PMID- 29223567 TI - Predictive ability of the EVARUCI scale and COMHON index for pressure injury risk in critically ill patients: A diagnostic accuracy study. AB - BACKGROUND: Hospital-acquired pressure injuries are a costly and largely preventable complication occurring in a variety of acute care settings. Patients admitted to the intensive care unit are at greater risk of developing pressure injuries. OBJECTIVE: To determine whether the efficiency of scales to measure pressure injury risk increase when a continuously updated 3-day moving average method is used. METHODS: With a retrospective cohort design we recruited 3085 patients treated between June 2011 and February 2015 in the intensive care unit of a tertiary level university hospital. The present study included 2777 patients admitted to the Intensive Care Unit of the Hospital Universitario de Canarias, Spain. Patients were evaluated daily with two scales to measure pressure injury risk: the Current Risk Assessment Scale for Pressure injury in Intensive Care scale (EVARUCI scale) and the Conscious level-Mobility-Haemodynamics-Oxygenation Nutrition Index (COMHON). The moving average was used to create a series of three day averages from the complete time-data set. The moving average method was used to analyze data points by creating series of averages of three days subsets of the time-data set. We calculated the efficiency of the method as the product of positive (PPV) and negative predicted values (NPV) for each scale. RESULTS: The efficiency using the moving average method was: PPV x NPV=0.483*0.907=0.438 (standard deviation=0.059), for EVARUCI Scale, and. PPV x NPV=0.552*0.806=0.445 (standard deviation=0.075) for COMHON Index. CONCLUSIONS: The efficiency using the moving average method was higher, than the efficiency of other methods previously reported (0.360+/-0.009 on average). The present study provides a useful procedure for nurses in clinical practice to assess whether a particular patient is protected against the appearance of pressure injury. The instrument should be used focusing on negative predictive value to indicate protection against pressure injury. PMID- 29223568 TI - N-(3-oxododecanoyl)-l-homoserine-lactone, a quorum sensing molecule, affects cellular content of nonprotein thiol content in rat lymphocytes: Its relation with intracellular Zn2. AB - Cellular actions of N-(3-oxododecanoyl)-l-homoserine-lactone (ODHL), a quorum sensing molecule of bacteria, were studied on rat thymocytes using a flow cytometer with appropriate fluorescent dyes to elucidate the effects of ODHL on host cells. A bell-shaped concentration-response relation was observed in the ODHL-induced changes in cellular glutathione content ([GSH]i). ODHL concentration dependently increased intracellular Zn2+ levels ([Zn2+]i) and cellular O2- content ([O2-]i). The bell-shaped relation induced by ODHL can be explained as follows: a low concentration of ODHL is expected to induce moderate oxidative stress that intracellularly releases Zn2+ by converting thiols to disulfides. A slight elevation of [Zn2+]i may increase the [GSH]i. On the other hand, it is likely that a high concentration of ODHL causes severe oxidative stress that further causes both the decrease in [GSH]i and the increase in [Zn2+]i. Excessive increase in [Zn2+]i may augment oxidative stress that further decreases the [GSH]i. Other notable actions induced by ODHL included the elevation of [Zn2+]i by Zn2+ influx and the increase in [GSH]i under Zn2+-free conditions. Therefore, it is suggested that ODHL elicits diverse actions on host cells. PMID- 29223569 TI - Isolated mangiferin and naringenin exert antidiabetic effect via PPARgamma/GLUT4 dual agonistic action with strong metabolic regulation. AB - In this study, we isolated two compounds from the leaves of Salacia oblonga (SA1, mangiferin and SA2, naringenin), and their structures were confirmed by infrared spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, and mass spectrometry. SA1 and SA2 were orally administered to streptozotocin-induced diabetic rats at 50 and 100 mg/kg daily for 15 days. Blood glucose level, serum lipid profile, oxidative stress parameters, histopathology, docking, molecular parameters, and NMR-based metabolic perturbation studies were performed to investigate the pharmacological activities of SA1 and SA2. Results suggested that both compounds reduced blood glucose level, restored body weight, and normalized lipid concentrations in the serum and oxidative stress biomarkers in the liver and pancreas. In addition, the docking study on several diabetes-associated targets revealed that both compounds had a strong binding affinity towards peroxisome proliferator-activated receptor gamma (PPARgamma) and glucose transporter type 4 (GLUT4). Further real-time reverse transcription polymerase chain reaction and western blot analyses were performed to confirm the gene and protein expression levels of PPARgamma and GLUT4 in the pancreatic tissues. Data obtained from the molecular studies showed that both compounds exhibited antidiabetic effects through dual activation of PPARgamma/GLUT4 signaling pathways. Finally, the NMR-based metabolic studies showed that both compounds normalized the diabetogenic metabolites in the serum. Altogether, we concluded that SA1 and SA2 might be potential antidiabetic lead compounds for future drug development. PMID- 29223570 TI - Regulation and role of nuclear factor-E2-related factor 2 (Nrf2) in multidrug resistance of hepatocellular carcinoma. AB - Hepatocellular carcinoma (HCC) chemoresistance, which is regarded as a kind of stress management reaction to chemotherapy drugs, severely hinders the therapy outcomes of HCC treatment. Stress management is generally achieved by activating certain signal pathways and chemical factors, among which, nuclear factor-E2 related factor2 (Nrf2) is a key factor in HCC chemoresistance formation. Nrf2 is a nuclear factor that coordinates the induction and expression of a battery of genes encoding cytoprotective proteins when participating in the Nrf2antioxidant response element (Nrf2/ARE) pathway, which is one of the most important intracellular antioxidant stress pathways. This review summarizes the recent understanding of the involvement of Nrf2 in the chemoresistance of liver cancer, its target proteins, expression regulation and potential Nrf2 inhibitors that sensitize chemotherapy drugs in HCC. PMID- 29223571 TI - Novel nitroaromatic compound activates autophagy and apoptosis pathways in HL60 cells. AB - N-(2-butanoyloxyethyl)-4-(chloromethyl)-3-nitrobenzamide (NBCN) is a nitroaromatic bioreducible compound with cytotoxic effects in cancer cell lines. The aim of this work was to investigate the molecular mechanisms involved in cell death promoted by NBCN in HL60 cells. We observed that NBCN treatment increased intracellular ROS and reduced mitochondria membrane potential (DeltaPsim). NBCN treatment also induced morphological changes, phosphatidylserine exposure, cell cycle arrest in G2/M-phase, DNA condensation and fragmentation, but it did not show cytotoxic effects on normal human peripheral blood mononuclear cells (PBMCs). NBCN-induced caspase 3- and 9-dependent DNA fragmentation, which was blocked by pretreatment with the broad-spectrum caspase inhibitor, z-VAD-fmk. Flow cytometry analysis demonstrated that NBCN also increased of the number of autophagic vesicles in HL60 cells, which was not observed when cells were pre treated with bafilomycin A1. Taken together, these results indicate that NBCN triggered the mitochondrial apoptotic pathway and led to the onset of autophagic cell death, which contributed to its cytotoxic effects. PMID- 29223572 TI - Curcumin ameliorates the in vitro efficacy of carfilzomib in human multiple myeloma U266 cells targeting p53 and NF-kappaB pathways. AB - Multiple myeloma (MM) is a malignant B-cell neoplasm with accumulation of malignant plasma cells in bone marrow. Pharmacological therapy improves response frequency even if with various associated toxicities. Herein, we investigated if combination of curcumin with carfilzomib (CFZ) can induce a better cytotoxic effect on in vitro cultured U266 cells. Cell viability data showed that curcumin significantly ameliorates CFZ cytotoxic effect. Furthermore, curcumin alone did not affect proteasome at the tested dose, confirming the involvement of different mechanisms in the observed effects. U266 cells exposure to curcumin or CFZ increased reactive species (RS) levels, although their production did not appear further potentiated following drugs combination. Interestingly, NF-kappaB nuclear accumulation was reduced by treatment with CFZ or curcumin, and was more deeply decreased in cells treated with CFZ-curcumin combinations, very likely due to the different mechanisms through which they target NF-kappaB. Our results confirmed the induction of p53/p21 axis and G0/G1 cell cycle arrest in anticancer activities of both drugs, an effect more pronounced for the CFZ-curcumin tested combinations. Furthermore, curcumin addition enhanced CFZ proapoptotic effect. These findings evidence that curcumin can ameliorate CFZ efficacy, and lead us to hypothesize that this effect might be useful to optimize CFZ therapy in MM patients. PMID- 29223573 TI - Biocompatibility of designed MicNo-ZnO particles: Cytotoxicity, genotoxicity and phototoxicity in human skin keratinocyte cells. AB - Recently, designed platelet shaped micron particles that are composed of nano primary particles, called MicNo (=Micron+naNo) particles, have been developed to exploit the benefits of nano size, while removing the adverse effects of nanoparticles. It has been shown that MicNo-ZnO particles exhibit both micron and nanosized particle characteristics. Although physical and chemical properties of MicNo-ZnO particles have been studied, their biocompatibility has not yet been evaluated. Accordingly, the research objective of this study was to evaluate in vitro cytotoxicity, genotoxicity and phototoxicity behaviors of designed MicNo ZnO particles over human epidermal keratinocyte (HaCaT) cells. MicNo-ZnO particles exhibit much less cytotoxicity with IC50 concentrations between 40 and 50MUg/ml, genotoxicity above 40MUg/ml and lower photo genotoxicity under UVA on HaCaT than the ZnO nanoparticles. Although their chemistries are the same, the source of this difference in toxicity values may be attributed to size differences between the particles that are probably due to their ability to penetrate into the cells. In the present study, the expansive and detailed in vitro toxicity tests show that the biocompatibility of MicNo-ZnO particles is much better than that of the ZnO nanoparticles. Consequently, MicNo-ZnO particles can be considered an important active ingredient alternative for sunscreen applications due to their safer characteristics with respect to ZnO nanoparticles. PMID- 29223574 TI - Evaluation of the effects of antiepileptic drugs on folic acid uptake by human placental choriocarcinoma cells. AB - Folate status during pregnancy is important for fetal development and health. The placenta plays an important role in supplying the fetus with folate. Most women with epilepsy continue their medication during pregnancy. In the present study, we aimed to evaluate the effects of 16 antiepileptic drugs, clinically used for treatment of epilepsy, on folic acid uptake in two in vitro placental models, BeWo and JEG-3 cells. Short-term exposure to antiepileptic drugs had no effects on [3H]-folic acid uptake by BeWo cells. However, long-term exposure (24h) to valproic acid (VPA) increased [3H]-folic acid uptake by BeWo and JEG-3 cells. VPA treatment for 24h increased folate receptor-alpha (FRalpha) and proton-coupled folate transporter (PCFT) mRNA expression; however, it did not affect reduced folate carrier expression. These results suggested that the increase in folic acid uptake after exposure to VPA can be attributed to the induction of FRalpha and PCFT expression. Furthermore, the present study showed that exposure to clinical concentrations of oxcarbazepine and stiripentol reduced the viability of BeWo cells. Therefore, the findings of the present study may contribute to better understanding of the mechanisms of toxicity of antiepileptic drugs, and estimation of their potential risk to fetus. PMID- 29223575 TI - A comparison between inhalational (Desflurane) and total intravenous anaesthesia (Propofol and dexmedetomidine) in improving postoperative recovery for morbidly obese patients undergoing laparoscopic sleeve gastrectomy: A double-blinded randomised controlled trial. AB - STUDY OBJECTIVE: Laparoscopic sleeve gastrectomy is commonly performed under total intravenous anaesthesia (TIVA) or balanced anaesthesia using an intravenous and inhalation agent. It is still unclear which anaesthesia regimen is better for this group of patients. The present study has been conducted to compare the use of the inhalation anaesthesia technique using desflurane with the TIVA technique, using propofol and dexmedetomidine. DESIGN: Prospective, randomised, double blinded study. SETTING: Menoufia Univeristy Hospital. PATIENTS: This randomised trial was carried out on 100 morbidly obese patients undergoing laparoscopic sleeve gastrectomy. The patients were randomised into two equally sized groups; one group received the inhalation anaesthesia technique and the other received the TIVA technique. INTERVENTIONS: All patients received general anaesthesia, which was induced by propofol, remifentanil, and rocuronium. Anaesthesia was maintained using desflurane in oxygen air mixture in the inhalation group, whilst anaesthesia was maintained by intravenous infusion of propofol and dexmedetomidine in the TIVA group. MEASUREMENTS: Intra-operative vital signs, anaesthesia recovery time, postoperative nausea and vomiting, pain score, post anaesthetic care unit (PACU) stay time, total first 24h post-operative analgesic needs and the onset of first bowel movement were recorded. Main results The TIVA group had lower intra-operative heart rates and mean arterial blood pressure (P<0.0001). The TIVA group also had a lower post-operative visual analogue score for pain assessment (VAS) (P<0.0001), lower total analgesic requirements (P<0.0001), a lower incidence of nausea (P=0.01) and vomiting (P=0.03), and shorter PACU stays (P=0.01). There was no significant difference between groups with regard to the onset of bowel movement (P=0.16). CONCLUSIONS: TIVA using propofol and dexmedetomidine is a better anaesthetic regimen than inhalation anaesthesia using desflurane for laparoscopic sleeve gastrectomy in morbidly obese patients. The TIVA technique provided better postoperative recovery with fewer postoperative side effects and analgesic requirements. CLINICAL TRIAL REGISTERY NUMBER: NCT03029715. PMID- 29223576 TI - Uptake of iron (III)-ethylenediamine-N,N,N',N'-tetraacetic acid complex by phosphatidylcholine lipid film: Part I. Effect of bulk pH. AB - We studied a ternary solutes aqueous solution of NaOH, iron (III)-ethylenediamine N,N,N',N'-tetraacetic acid complex (Fe-edta), and 1,2-diheptanoyl-sn-glycero-3 phosphatidylcholine (DHPC)/air interface system to clarify the interactions between iron complexes and lipids with a phosphatidylcholine head group. The solution surface tension and pH were measured as functions of the total molality of NaOH, Fe-edta and DHPC, and the mole fractions of NaOH and DHPC. Rigorous thermodynamic equations were derived, in which the overall proton dissociation equilibria of Fe-edta and DHPC were taken into consideration, and applied to experimental data to obtain phase diagram of adsorption. It was found that (1) adsorption of Fe-edta at the solution/air interface with a DHPC monolayer was about 50-130 times higher than that without a DHPC monolayer and (2) when the bulk mole fraction of NaOH was high, Fe-edta tended to be expelled from the adsorbed film. The last finding suggests that the ambient pH significantly affects passive transport of the iron complex through a phospholipid-containing membrane into the cell interior. PMID- 29223577 TI - Race as a predictor of patient preferences for biopsy result communication. PMID- 29223578 TI - Generational influence on patient learning preferences in dermatology. PMID- 29223579 TI - Design considerations for handling dropouts in anti-depressant drug trials. AB - BACKGROUND: In clinical trials, statistical analysis often requires certain assumptions about missing data for a valid statistical inference. If the dropout rate is high, a wrong assumption about the missing data may compromise the validity of statistical inferences. PURPOSE: To mitigate the high dropout rates commonly observed in psychiatry clinical trials, we consider two design approaches for short-term controlled trials submitted in support of marketing applications for drug products for the major depressive disorder (MDD) indication: (1) shortening the trial duration and (2) treating time to treatment discontinuation as an alternative primary efficacy endpoint. METHODS: Subject level efficacy data from 45 trials for drugs approved for an MDD indication between 1997 and 2014 were collected. We analyzed change from baseline in Hamilton Depression Rating Scale (HAMD-17) total score using the mixed model repeated measures approach. We compared the least squares means and the 95% confidence intervals of the treatment effect among three different trial durations, 4, 6, and 8weeks. We considered two definitions of discontinuation: (i) all-cause discontinuation, (ii) discontinuation due to lack of efficacy. We compared the two-sided log-rank p-values with the p-values from the protocol specified primary analysis. CONCLUSIONS: Our findings suggest that MDD trials in the acute setting may be shortened to 6weeks provided that the treatment difference between drug and placebo on HAMD-17 total score reaches approximately 2units at Week 6. However, our exploratory analyses of available data do not support the use of time to treatment discontinuation as an alternative primary efficacy endpoint. PMID- 29223580 TI - Modeling HIV disease progression and transmission at population-level: The potential impact of modifying disease progression in HIV treatment programs. AB - INTRODUCTION: Mathematical models that incorporate HIV disease progression dynamics can estimate the potential impact of strategies that delay HIV disease progression and reduce infectiousness for persons not on antiretroviral therapy (ART). Suppressive treatment of HIV-positive persons co-infected with herpes simplex virus-2 (HSV-2) with valacyclovir, an HSV-2 antiviral, can lower HIV viral load, but the impact of partially-suppressive valacyclovir relative to fully-suppressive ART on population HIV transmission has not been estimated. METHODS: We modeled HIV disease progression as a function of changes in viral load and CD4 count over time among ART naive persons. The disease progression Markov model was nested within a dynamic model of HIV transmission at population level. We assumed that valacyclovir reduced HIV viral load by 1.23 log copies/MUL, and that persons treated with valacyclovir initiated ART more rapidly when their CD4 fell below 500 due to retention in HIV care. We estimated the potential impact of valacyclovir on onward transmission of HIV in three scenarios of different ART and valacyclovir population coverage. RESULTS: The average duration of HIV infection was 9.5 years. The duration of disease before reaching CD4 200cells/MUL was 2.53 years longer for females than males. Relative to a baseline of ART initiation at CD4<=500cells/MUL, the valacyclovir scenario resulted in 167,000 fewer HIV infections over ten years, with an incremental cost effectiveness ratio (ICER) of $5276 per HIV infection averted. A Test and Treat scenario with 70% ART coverage and no valacyclovir resulted in 350,000 fewer HIV infections at an ICER of $2822 and $812 per HIV infection averted and QALY gained, respectively. CONCLUSION: Even when compared with valacyclovir suppression, a drug that reduces HIV viral load, universal treatment for HIV is the optimal strategy for averting new infections and increasing public health benefit. Universal HIV treatment would most effectively and efficiently reduce the HIV burden. PMID- 29223581 TI - Toward new forms of meal sharing? Collective habits and personal diets. AB - This article sheds light on the fact that the commensality remains a fundamental aspect of eating in French culture. However, at the same time, the expansion of the individualisation and medicalisation of the act of eating during the latest decades impacted the social representations of food. We will first place dietary practices into a general context in which the relationship to food tends to be individualised and in which health-related issues remain an important aspect of the discourse about food on internet. Secondly, we will examine how these practices are (in)compatible with the defining dimensions of the French food model, in particular those relating to commensality (the practice of eating together) and food sharing. It seems that although a personalised diet restricts the objective possibilities of food sharing, it is still central in representations of food and, in some cases, leads to the emergence of associated practices to introduce new forms of social eating behaviours, such as those made possible by the spread of the Internet. PMID- 29223582 TI - Looking for relationships between the populations of Dothistroma septosporum in northern Europe and Asia. AB - Dothistroma septosporum, a notorious pine needle pathogen with an unknown historical geographic origin and poorly known distribution pathways, is nowadays found almost in all areas inhabited by pines (Pinus spp.). The main aim of this study was to determine the relationship between North European and East Asian populations. In total, 238 Eurasian D. septosporum isolates from 11 countries, including 211 isolates from northern Europe, 16 isolates from Russian Far East and 11 isolates from Bhutan were analysed using 11 species-specific microsatellite and mating type markers. The most diverse populations were found in northern Europe, including the Baltic countries, Finland and European Russia. Notably, D. septosporum has not caused heavy damage to P. sylvestris in northern Europe, which may suggest a long co-existence of the host and the pathogen. No indication was obtained that the Russian Far East or Bhutan could be the indigenous area of D. septosporum, as the genetic diversity of the fungus there was low and evidence suggests gene flow from northern Europe to Russian Far East. On the western coast of Norway, a unique genetic pattern was observed, which differed from haplotypes dominating other Fennoscandian populations. As an agent of dothistroma needle blight, only D. septosporum was documented in northern Europe and Asia, while D. pini was found in Ukraine and Serbia. PMID- 29223584 TI - Tuberculosis eradication: renewed commitment and global investment required. PMID- 29223585 TI - Influence of dietary nitrate food forms on nitrate metabolism and blood pressure in healthy normotensive adults. AB - Inorganic nitrate (NO3-) supplementation has been shown to improve cardiovascular health indices in healthy adults. The purpose of this study was to investigate how the vehicle of NO3- administration can influence NO3- metabolism and the subsequent blood pressure response. Ten healthy males consumed an acute equimolar dose of NO3- (~5.76 mmol) in the form of a concentrated beetroot juice drink (BR; 55 mL), a non-concentrated beetroot juice drink (BL; 456 mL) and a solid beetroot flapjack (BF; 60 g). A drink containing soluble beetroot crystals (BC; ~1.40 mmol NO3-) and a control drink (CON; 70 mL deionised water) were also ingested. BP and plasma, salivary and urinary [NO3-] and [NO2-] were determined before and up to 24 h after ingestion. All NO3--rich vehicles elevated plasma, salivary and urinary nitric oxide metabolites compared with baseline and CON (P<0.05). The peak increases in plasma [NO2-] were greater in BF (371 +/- 136 nM) and BR (369 +/- 167 nM) compared to BL (283 +/- 93 nM; all P<0.05) and BC (232 +/- 51 nM). BR, but not BF, BL and BC, reduced systolic (~5 mmHg) and mean arterial pressure (~3-4 mmHg; P<0.05), whereas BF reduced diastolic BP (~4 mmHg; P < 0.05). Although plasma [NO2-] was elevated in all conditions, the consumption of a small, concentrated NO3--rich fluid (BR) was the most effective means of reducing BP. These findings have implications for the use of dietary NO3-supplements when the main objective is to maintain or improve indices of cardiovascular health. PMID- 29223586 TI - Reduction in human Lyme neuroborreliosis associated with a major epidemic among roe deer. AB - Lyme neuroborreliosis is the most severe clinical manifestation of Lyme borreliosis. In most of Denmark, and also Europe, the overall prevalence of Lyme borreliosis seems to be stabilising. This is not the case on the island of Funen, Denmark, where the number of human Lyme neuroborreliosis cases has markedly declined throughout the last decade. We propose the reason for the decline is a major epidemic among roe deer, killing almost half of their population, resulting in a reduction in the tick population which make it less likely to get a tick bite and therefore to contract Lyme neuroborreliosis. This is the first time such a relationship is described as a naturally occurring phenomenon in Europe. PMID- 29223583 TI - The global burden of tuberculosis: results from the Global Burden of Disease Study 2015. AB - BACKGROUND: An understanding of the trends in tuberculosis incidence, prevalence, and mortality is crucial to tracking of the success of tuberculosis control programmes and identification of remaining challenges. We assessed trends in the fatal and non-fatal burden of tuberculosis over the past 25 years for 195 countries and territories. METHODS: We analysed 10 691 site-years of vital registration data, 768 site-years of verbal autopsy data, and 361 site-years of mortality surveillance data using the Cause of Death Ensemble model to estimate tuberculosis mortality rates. We analysed all available age-specific and sex specific data sources, including annual case notifications, prevalence surveys, and estimated cause-specific mortality, to generate internally consistent estimates of incidence, prevalence, and mortality using DisMod-MR 2.1, a Bayesian meta-regression tool. We assessed how observed tuberculosis incidence, prevalence, and mortality differed from expected trends as predicted by the Socio demographic Index (SDI), a composite indicator based on income per capita, average years of schooling, and total fertility rate. We also estimated tuberculosis mortality and disability-adjusted life-years attributable to the independent effects of risk factors including smoking, alcohol use, and diabetes. FINDINGS: Globally, in 2015, the number of tuberculosis incident cases (including new and relapse cases) was 10.2 million (95% uncertainty interval 9.2 million to 11.5 million), the number of prevalent cases was 10.1 million (9.2 million to 11.1 million), and the number of deaths was 1.3 million (1.1 million to 1.6 million). Among individuals who were HIV negative, the number of incident cases was 8.8 million (8.0 million to 9.9 million), the number of prevalent cases was 8.9 million (8.1 million to 9.7 million), and the number of deaths was 1.1 million (0.9 million to 1.4 million). Annualised rates of change from 2005 to 2015 showed a faster decline in mortality (-4.1% [-5.0 to -3.4]) than in incidence (-1.6% [-1.9 to -1.2]) and prevalence (-0.7% [-1.0 to -0.5]) among HIV negative individuals. The SDI was inversely associated with HIV-negative mortality rates but did not show a clear gradient for incidence and prevalence. Most of Asia, eastern Europe, and sub-Saharan Africa had higher rates of HIV negative tuberculosis burden than expected given their SDI. Alcohol use accounted for 11.4% (9.3-13.0) of global tuberculosis deaths among HIV-negative individuals in 2015, diabetes accounted for 10.6% (6.8-14.8), and smoking accounted for 7.8% (3.8-12.0). INTERPRETATION: Despite a concerted global effort to reduce the burden of tuberculosis, it still causes a large disease burden globally. Strengthening of health systems for early detection of tuberculosis and improvement of the quality of tuberculosis care, including prompt and accurate diagnosis, early initiation of treatment, and regular follow-up, are priorities. Countries with higher than expected tuberculosis rates for their level of sociodemographic development should investigate the reasons for lagging behind and take remedial action. Efforts to prevent smoking, alcohol use, and diabetes could also substantially reduce the burden of tuberculosis. FUNDING: Bill & Melinda Gates Foundation. PMID- 29223587 TI - Molecular characterization of Theileria equi in horses from the state of Rio de Janeiro, Brazil. AB - Theileria equi is one of the etiologic agents of the equine piroplasmosis. This infectious disease is transmitted by ticks and is a worldwide problem in the international horse movement. The 18S rRNA gene of T. equi is often used for genotyping and phylogenetic purpose. This study aimed to analyze the degree of the heterogeneity of the 18S rRNA gene of T. equi in horses from the state of Rio de Janeiro, Brazil. The complete T. equi 18S rRNA sequences were obtained from twenty naturally infected horses. The PCR amplicons were cloned and sequenced. The phylogenetic analyses were performed using a set of T. equi 18S rRNA sequences and other related organisms available in ARB-Silva database. There were twelve distinct T. equi 18S rRNA gene sequences circulating in horses in the state of Rio de Janeiro, Brazil. Monophyletic clades with 2% evolutionary divergence between clades and high bootstrap value were the support to divide T. equi sequences in three distinct clades. The sequences from this study grouped into clades I (70%, n=14/20) and II (30%, n=6/20). All of the T. equi sequences grouped within a node other than the theileriids. This study reported a clear division of two distinct genotypes of T. equi 18S rRNA sequences in state of Rio de Janeiro, Brazil, and it demonstrates that distinct isolates of T. equi can coexist in the same geographic region. PMID- 29223588 TI - (-)-9'-O-(alpha-l-Rhamnopyranosyl)lyoniresinol from Lespedeza cuneata suppresses ovarian cancer cell proliferation through induction of apoptosis. AB - Lespedeza cuneata (Dum. Cours.) G. Don. (Fabaceae), known as Chinese bushclover or sericea lespedeza, has been used in traditional medicine to treat diabetes, hematuria, and insomnia, and it has been reported that bioactive compounds from L. cuneata possess various pharmacological properties. However, there has been no study to determine the active compounds from L. cuneata with potential activity against ovarian cancer. This study aimed to isolate cytotoxic compounds from L. cuneata and identify the molecular mechanisms underlying the apoptosis pathway in ovarian cancer cells. Based on cytotoxic activity identified in the screening test, chemical investigation of the active fraction of L. cuneata led to the isolation of nine compounds including four lignanosides (1-4), three flavonoid glycosides (5-7), and two phenolics (8-9). Cytotoxicity and the molecular mechanism were examined by methyl thiazolyl tetrazolium (MTT) assay and Western blot analysis. Of the isolated compounds, (-)-9'-O-(alpha-l rhamnopyranosyl)lyoniresinol (3) demonstrated the strongest effect in suppressing A2780 human ovarian carcinoma cell proliferation in a dose-dependent manner, with an IC50 value of 35.40 +/- 2.78 MUM. Control A2780 cells had normal morphology, whereas cell blebbing, shrinkage, and condensation were observed after treatment with compound 3. Western blotting analysis showed that compound 3 inhibited A2780 human ovarian cancer cell viability by activating caspase-8, caspase-3, and PARP, which contributed to apoptotic cell death. These results suggest that (-)-9'-O (alpha-l-rhamnopyranosyl)lyoniresinol (3) has potent anticancer activities against A2780 human ovarian carcinoma cells through the extrinsic apoptotic pathway. Therefore, (-)-9'-O-(alpha-l-rhamnopyranosyl)lyoniresinol is an excellent candidate for the development of novel chemotherapeutics. PMID- 29223589 TI - Breakthroughs in neuroactive steroid drug discovery. AB - Endogenous and synthetic neuroactive steroids (NASs) or neurosteroids are effective modulators of multiple signaling pathways including receptors for the gamma-aminobutyric acid A (GABAA) and glutamate, in particular N-methyl-d aspartate (NMDA). These receptors are the major inhibitory and excitatory neurotransmitters in the central nervous system (CNS), and there is growing evidence suggesting that dysregulation of neurosteroid production plays a role in numerous neurological disorders. The significant unmet medical need for treatment of CNS disorders has increased the interest for these types of compounds. In this review, we highlight recent progress in the clinical development of NAS drug candidates, in addition to preclinical breakthroughs in the identification of novel NASs, mainly for GABAA and NMDA receptor modulation. PMID- 29223590 TI - Recent encounters with atropisomerism in drug discovery. AB - Atropisomerism is stereochemistry arising from restricted bond rotation that creates a chiral axis. Atropisomers are subject to time-dependent inversion of chirality via bond rotation, a property which in drug molecules introduces complexity and challenges for drug discovery and development processes. Greater recognition of the occurrence of atropisomerism and improved characterization techniques have helped medicinal chemists successfully advance atropisomeric drug molecules. This review provides recent examples of atropisomerism encountered in medicinal chemistry efforts and the strategies used to address the accompanying challenges. PMID- 29223591 TI - Mild hypothermia protects hippocampal neurons from oxygen-glucose deprivation injury through inhibiting caspase-3 activation. AB - Mild hypothermia (MH) is thought to be one of the most effective therapeutic methods to treat hypoxic-ischemic encephalopathy (HIE) after cardiac arrest (CA). However, its precise mechanisms remain unclear. In this research, hippocampal neurons were cultured and treated with mild hypothermia and Ac-DEVD-CHO after oxygen-glucose deprivation (OGD). The activity of caspase-3 was detected, in order to find the precise concentration of Ac-DEVD-CHO with the same protective role in OGD injury as MH treatment. Western blot and immunofluorescence staining were conducted to analyze the effects of MH and Ac-DEVD-CHO on the expressions of caspase-3, caspase-8, and PARP. The neuronal morphology was observed with an optical microscope. The lactic acid dehydrogenase (LDH) release rate, neuronal viability, and apoptotic rate were also detected. We found that MH (32 degrees C) and Ac-DEVD-CHO (5.96 MUMol/L) had equal effects on blocking the activation of caspase-3 and the OGD-induced cleavage of PARP, but neither had any effect on the activation of caspase-8, which goes on to activate caspase-3 in the apoptotic pathway. Meanwhile, both MH and Ac-DEVD-CHO had similar effects in protecting cell morphology, reducing LDH release, and inhibiting OGD-induced apoptosis in neurons. They also similarly improved neuronal viability after OGD. In conclusion, caspase-3 serves as a key intervention point of the key modulation site or regulatory region in MH treatment that protects neuronal apoptosis against OGD injury. Inhibiting the expression of caspase-3 had a protective effect against OGD injury in MH treatment, and caspase-3 activation could be applied to evaluate the neuroprotective effectiveness of MH on HIE. PMID- 29223592 TI - Concentration dependence of the cell membrane permeability to cryoprotectant and water and implications for design of methods for post-thaw washing of human erythrocytes. AB - For more than fifty years the human red blood cell (RBC) has been a widely studied model for transmembrane mass transport. Existing literature spans myriad experimental designs with varying results and physiologic interpretations. In this review, we examine the kinetics and mechanisms of membrane transport in the context of RBC cryopreservation. We include a discussion of the pathways for water and glycerol permeation through the cell membrane and the implications for mathematical modeling of the membrane transport process. In particular, we examine the concentration dependence of water and glycerol transport and provide equations for estimating permeability parameters as a function of concentration based on a synthesis of literature data. This concentration-dependent transport model may allow for design of improved methods for post-thaw removal of glycerol from cryopreserved blood. More broadly, the consideration of the concentration dependence of membrane permeability parameters may be important for other cell types as well, especially for design of methods for equilibration with the highly concentrated solutions used for vitrification. PMID- 29223593 TI - Far cortical locking and active plating concepts: New revolutions of fracture fixation in the waiting? PMID- 29223594 TI - Femoral neck fractures after removal of hardware in healed trochanteric fractures. AB - INTRODUCTION: Hardware removal in healed trochanteric fractures (TF) in the absence of infection or significant mechanical complications is rarely indicated. However, in patients with persistent pain, prominent material and discomfort in the activities of daily living, the implant is eventually removed. Publications of ipsilateral femoral neck fracture after removal of implants from healed trochanteric fractures (FNFARIHTF) just because of pain or discomfort are rare. The purpose of this systematic review of the literature is to report on the eventual risk factors, the mechanisms, the clinical presentation, and frequency, and to pay special emphasis in their prevention. MATERIALS AND METHODS: A comprehensive review of the literature was undertaken using the PRISMA guidelines with no language restriction. Case reports of FNFARIHTF and series of TF with cases of FNFARIHTF due to pain or discomfort published between inception of journals to December 2016 were eligible for inclusion. Relevant information was divided in two parts. Part I included the analysis of cases of FNFARIHTF, with the objective of establishing the eventual risk factors, mechanisms and pathoanatomy, clinical presentation and diagnosis, treatment and prevention. Part II analyzed series of TF which included cases of FNFARIHTF for assessing the incidence of femoral neck fractures in this condition. RESULTS: Overall 24 publications with 45 cases of FNFARIHTF met the inclusion criteria. We found that the only prevalent factors for FNFARIHTF were: 1) preexisisting systemic osteoporosis, as most patients were older and elder females, with lower bone mineral density and bone mass; 2) local osteoporosis as a result of preloading by the fixation device in the femoral neck, leading to stress protection, reducing the strain at the neck, and increasing bone loss and weakness; and 3) the removal of hardware from the femoral neck, with reduction of the failure strength of the neck. The femoral neck fractures were spontaneous, i.e. not related to trauma or fall, in 87.5% of the cases, mostly subcapital, and with no prevalence between displaced and undisplaced fractures. The clinical presentation was that of a spontaneous fracture, and most of the patients consulted because of hip pain and presented in the emergency room walking by themselves which led to delayed diagnosis in several instances. Radiological diagnosis was mostly with radiographs, though in some cases CT scans or MRI were necessary. The overall median incidence of this complication was 14.5% after hardware removal because of pain or discomfort in healed trochanteric fractures. CONCLUSION: The risk factors for FNFARIHTF seem to be preexisisting systemic osteoporosis, local osteoporosis as a result of preloading by the fixation device in the femoral neck, and the removal of hardware from the femoral neck, with reduction of the strength of the neck. The clinical presentation may be obscure as most of the patients complain of hip pain of some days or weeks, and arrive in the hospital walking. Therefore, the attending physician should be alert in order to request the appropriate radiological investigation and if this is not clear CT scan or MRI should be done in order to diagnose promptly these "spontaneous" fractures. Treatment should be replacement surgery in most cases; however, there is some place for internal fixation especially in undisplaced fractures or younger patients. The occurrence of the femoral neck fracture after hardware removal may be prevented with re osteosynthesis and the use of bone chips or bone substitutes. Finally, the relatively high incidence of this complication should alert orthopaedic surgeons to reduce the removal of hardware in healed trochanteric fractures to very selected cases. PMID- 29223595 TI - Modulation of cartilage's response to injury: Can chondrocyte apoptosis be reversed? AB - Osteoarthritis is characterized by a chronic, progressive and irreversible degradation of the articular cartilage associated with joint inflammation and a reparative bone response. More than 100 million people are affected by this condition worldwide with significant health and welfare costs. Our available treatment options in osteoarthritis are extremely limited. Chondral or osteochondral grafts have shown some promising results but joint replacement surgery is by far the most common therapeutic approach. The difficulty lies on the limited regeneration capacity of the articular cartilage, poor blood supply and the paucity of resident progenitor stem cells. In addition, our poor understanding of the molecular signalling pathways involved in the senescence and apoptosis of chondrocytes is a major factor restricting further progress in the area. This review focuses on molecules and approaches that can be implemented to delay or even rescue chondrocyte apoptosis. Ways of modulating the physiologic response to trauma preventing chondrocyte death are proposed. The use of several cytokines, growth factors and advances made in altering several of the degenerative genetic pathways involved in chondrocyte apoptosis and degradation are also presented. The suggested approaches can help clinicians to improve cartilage tissue regeneration. PMID- 29223596 TI - Presence and persistence of the amnesic shellfish poisoning toxin, domoic acid, in octopus and cuttlefish brains. AB - Domoic acid (DA) is a neurotoxin that causes degenerative damage to brain cells and induces permanent short-term memory loss in mammals. In cephalopod mollusks, although DA is known to accumulate primarily in the digestive gland, there is no knowledge whether DA reaches their central nervous system. Here we report, for the first time, the presence of DA in brain tissue of the common octopus (Octopus vulgaris) and the European cuttlefish (Sepia officinalis), and its absence in the brains of several squid species (Loligo vulgaris, L. forbesi and Todarodes sagittatus). We argue that such species-specific differences are related to their different life strategies (benthic/nektobenthic vs pelagic) and feeding ecologies, as squids mainly feed on pelagic fish, which are less prone to accumulate phycotoxins. Additionally, the temporal persistence of DA in octopus' brain reinforces the notion that these invertebrates can selectively retain this phycotoxin. This study shows that two highly-developed invertebrate species, with a complex central nervous system, where glutamatergic transmission is involved in vertebrate-like long-term potentiation (LTP), have the ability of retaining and possibly tolerating chronic exposure to DA, a potent neurotoxin usually acting at AMPA/kainate-like receptors. Here, we filled a gap of information on whether cephalopods accumulated this neurotoxin in brain tissue, however, further studies are needed to determine if these organisms are neurally or behaviourally impaired by DA. PMID- 29223597 TI - Missed opportunities for HPV immunization among young adult women. AB - BACKGROUND: Despite the availability of a safe and efficacious vaccine against human papillomavirus, uptake of the vaccine in the United States is low. Missed clinical opportunities to recommend and to administer human papillomavirus vaccine are considered one of the most important reasons for its low uptake in adolescents; however, little is known about the frequency or characteristics of missed opportunities in the young adult (18-26 years of age) population. OBJECTIVE: The objective of the study was to assess both the rates of and the factors associated with missed opportunities for human papillomavirus immunization among young adult women who attended an urban obstetrics and gynecology clinic. STUDY DESIGN: In this cross-sectional study, medical records were reviewed for all women 18-26 years of age who were underimmunized (<3 doses) and who sought care from Feb. 1, 2013, to January 31, 2014, at an urban, hospital based obstetrics and gynecology clinic. A missed opportunity for human papillomavirus immunization was defined as a clinic visit at which the patient was eligible to receive the vaccine and a dose was due but not administered. Multivariable logistic regression was used to test associations between sociodemographic variables and missed opportunities. RESULTS: There were 1670 vaccine-eligible visits by 1241 underimmunized women, with a mean of 1.3 missed opportunities/person. During the study period, 833 of the vaccine eligible women (67.1%) had at least 1 missed opportunity. Overall, the most common types of visits during which a missed opportunity occurred were postpartum visits (17%) or visits for either sexually transmitted disease screening (21%) or contraception (33%). Of the patients with a missed opportunity, 26.5% had a visit at which an injectable medication or a different vaccine was administered. Women who identified their race as black had higher adjusted odds of having a missed opportunity compared with white women (adjusted odds ratio, 1.61 [95% confidence interval, 1.08-2.41], P < .02). Women who reported a non-English- or non-Spanish preferred language had lower adjusted odds of having a missed opportunity (adjusted odds ratio, 0.25 [95% confidence interval, 0.07-0.87], P = .03). No other patient characteristics assessed in this study were significantly associated with having a missed opportunity. CONCLUSION: A majority of young adult women in this study had missed opportunities for human papillomavirus immunization, and significant racial disparity was observed. The greatest frequency of missed opportunities occurred with visits for either contraception or for sexually transmitted disease screening. PMID- 29223598 TI - Prognosis and treatment of positive peritoneal cytology in early endometrial cancer: matched cohort analyses from the National Cancer Database. AB - BACKGROUND: While positive peritoneal cytology is no longer included among the endometrial cancer staging criteria, Federation International de Gynecologie et Obstetrique recommends continued collection of pelvic washings for cytology to produce additional data that may be used to determine the significance of positive cytology for prognosis and treatment of endometrial cancer. OBJECTIVES: The objectives of the study was to validate that positive cytology is a predictor of decreased survival in early endometrial cancer and to test whether adjuvant chemotherapy for positive cytology is associated with increased survival. STUDY DESIGN: We performed an observational retrospective cohort analysis of the 2010 2013 National Cancer Database including women with cytology status and Federation International de Gynecologie et Obstetrique stage IA-II endometrial cancer. Overall cohort and matched cohort survival analyses were performed with and without imputation of missing data. We also performed survival analyses of women with positive cytology grouped by chemotherapy exposure. Multivariable Cox proportional-hazards regressions were performed to adjust for possible confounders. A variety of sensitivity analyses, including robustness of results to possible unmeasured confounding, were reported. RESULTS: A total of 16,851 women including 953 with positive cytology were included. Four-year overall survival was 79.5% (range, 76.2-83.0%) for women with stage I/II with positive cytology vs 92.2% (range, 91.5-92.9%), 83.3% (range, 81.6-84.9%), and 86.8% (range, 85.1-88.5%) for stage IA, IB, and II with negative cytology, respectively (P <= .001). Positive cytology was associated with decreased survival (hazard ratio [95% confidence interval], 1.85 [range, 1.54-2.21], P < .001). For women with Federation International de Gynecologie et Obstetrique grade 1/2 endometrioid adenocarcinoma, the hazard of death associated with positive cytology was similar (hazard ratio [95% confidence interval], 1.85 [1.28-2.67], P < .001). Use of adjuvant chemotherapy by women with positive cytology was associated with increased survival (hazard ratio [95% confidence interval], 0.62 [0.40-0.95], P = .03). CONCLUSION: Positive peritoneal cytology was associated with decreased overall survival of women with Federation International de Gynecologie et Obstetrique stage I/II endometrial cancer, including low-grade endometrioid endometrial cancer. Treatment of women with stage I/II endometrial cancer and positive cytology with adjuvant chemotherapy was associated with increased survival. PMID- 29223600 TI - Trans epsilon-viniferin is an amyloid-beta disaggregating and anti-inflammatory drug in a mouse primary cellular model of Alzheimer's disease. AB - Alzheimer's disease (AD) is marked by several cellular and molecular damage. Therefore, the therapeutic interest of multi-target molecules is increasingly justified. Polyphenols presenting multiple pharmacological effects would be more efficient. In this study, beneficial effects of trans epsilon-viniferin, a natural polyphenol were thus evaluated. This study reported that this stilbenoid (1) induced the disaggregation of amyloid beta (Abeta) peptide and (2) rescued inflammation in murine primary neuronal cultures. These both effects are higher than those of resveratrol, and so, trans epsilon-viniferin could be a good therapeutic multi-target candidate. PMID- 29223599 TI - Pharmacological intervention and abstinence in smokers undergoing cessation treatment: A psychophysiological study. AB - As a composite concept, negative affect comprises various aversive emotional experiences, such as irritability and nervousness. It is a critical motivational factor that helps maintain smoking behavior, and contributes significantly to smoking cessation failure as a core withdrawal symptom. Prior research has indicated an important role of nicotinic mechanisms in negative affect processing. The most effective smoking cessation medication, varenicline, targets nicotinic acetylcholine receptors (nAChRs) as a partial agonist, while another first-line cessation medication, bupropion, has shown antagonistic effects on nAChRs. Therefore, it is possible that both medications work to reduce smoking behavior through modulating negative affect processing. To evaluate this hypothesis, we examined the impact of varenicline tartrate and bupropion hydrochloride sustained-release on electrophysiological responses to affective, cigarette-related, and neutral cues before and during smoking cessation treatment in a randomized placebo-controlled clinical trial. The participants were 206 smokers, a subset of 294 participants that were enrolled in a larger smoking cessation clinical trial who were randomly assigned to one medication group for 12weeks. Orbicularis oculi (startle eyeblink response) and corrugator supercilii facial electromyographic (EMG) reactivity toward emotional pictures (i.e., pleasant and unpleasant) in a picture-viewing task were measured before treatment and 2 and 6weeks after treatment was started. The startle and corrugator EMG activities increase with the exposure to unpleasant cues, and served as indices for negative emotional reactivity (NER). We found that after 6weeks, drug reduced startle-related NER in the varenicline group, but not in the bupropion or placebo group. Independent of medication treatment, lower baseline NER, as measured by the corrugator EMG activity, predicted a higher likelihood of smoking abstinence 1 and 3months after quitting smoking. These findings indicate the important roles of varenicline in negative affect processing and negative emotional reactivity in the course of smoking cessation. PMID- 29223601 TI - Early coronary angiography and percutaneous coronary intervention are associated with improved outcomes after out of hospital cardiac arrest. AB - AIM: Early coronary angiography (CAG) and percutaneous coronary intervention (PCI) are associated with better outcomes in subjects resuscitated from out-of hospital cardiac arrest (OHCA). We sought to determine the relative contributions of early CAG and PCI to outcomes and adverse events after OHCA. METHODS: We analyzed 599 OHCA subjects from a prospective two-center registry. Hospital survival, functional outcomes and adverse events were compared between subjects undergoing early CAG (within 24h) with or without PCI and subjects not undergoing early CAG. We adjusted for propensity to perform early CAG and PCI and for post resuscitation illness severity and care. RESULTS: Early CAG subjects had improved rates of hospital survival (56.2% versus 31.0%, OR 2.85 [95% CI 2.04-4.00]; p<0.0001) and better functional outcomes compared to no early CAG. Early PCI was associated with improved survival compared to early CAG without PCI (65.6% versus 45.5%, OR 2.29 [95% CI 1.41-3.69]; p<0.001). After multivariate adjustment and propensity matching, early PCI remained significantly associated with improved survival compared with early CAG without PCI and no early CAG, but early CAG without PCI was no longer significantly associated with improved outcome compared with no early CAG. Early CAG and early PCI were not associated with an increase in transfusions or acute kidney injury. CONCLUSIONS: Early CAG and PCI are associated with improved survival and functional outcomes after OHCA, but only early PCI was associated with a significant benefit after statistical adjustment. Our analysis supports the performance of immediate CAG to determine the need for PCI in selected patients following resuscitation from OHCA. PMID- 29223602 TI - Prognostic significance of shockable and non-shockable cardiac arrest in ST segment elevation myocardial infarction patients undergoing primary angioplasty. AB - OBJECTIVE: To determine, in patients with ST-segment Elevation Myocardial Infarction (STEMI) undergoing primary percutaneous coronary intervention (PPCI), the prognostic weight of cardiac arrest (CA) according to the type of rhythm (shockable vs. non-shockable). METHODS: We prospectively enrolled 3278 consecutive STEMI patients undergoing PPCI. Multivariable Cox regression was used to establish the relation to 1-year cardiac mortality of both type of CA. In patients suffering from CA we identified predictors of both poor neurological outcome (cerebral performance categories 3-5) and cardiac mortality at 1year. RESULTS: The incidence of CA was 7.26% (n=238). Of these, 196 (5.98%) had an initial shockable rhythm and 42 (1.28%) a non shockable rhythm. During 1-year follow up 311(9.48%) patients died from cardiac causes. Shockable rhythm (adjusted-HR=1.61; 95%CI 1.08-2.43, p=0.02) and non-shockable rhythm (adjusted HR=3.83; 95%CI 2.36-6.22, p<0.001) were independently associated with 1-year cardiac mortality. Among patients with CA those with shockable rhythm had a lower risk of poor neurological outcome at 1year follow up (adjusted OR=0.22: 95%CI; 0.08-0.55, p=0.001). Independent predictors of 1-y cardiac mortality were: non shockable rhythm (adjusted HR=2.6; 95%CI; 1.48-4.5, p=0.001), crew-witnessed CA, diabetes mellitus, left ventricle ejection fraction and creatinine on admission. There was a significant interaction between type of rhythm and crew-witnessed CA (p=0.026). CONCLUSIONS: In patients with STEMI undergoing PPCI patients with both shockable and non shockable CA are at increased risk of 1-year cardiac mortality. Among patients with CA those with non shockable rhythm have an higher risk of both poor neurological outcome and cardiac mortality at 1year. PMID- 29223603 TI - Factors predicting quality of life and societal participation after survival of a cardiac arrest: A prognostic longitudinal cohort study. AB - AIM: For those patients who suffer unfavourable outcome after survival of cardiac arrest, it is important to know whether this can be predicted at an early stage. Support can subsequently be provided. This study aimed to identify early prognostic factors of quality of life (QOL) and societal participation at one year post-cardiac arrest. METHODS: The design was a prospective longitudinal cohort study following cardiac arrest survivors up to one year. Prognostic personal, injury-related, function-related and subjective outcome factors were selected and entered into a hierarchical regression model to assess whether they were predictive of QOL and societal participation at one year post-cardiac arrest. RESULTS: Hundred and ten cardiac arrest survivors were included. Not having a partner, more functional limitations (at two weeks) and cognitive complaints were significantly predictive of lower physical QOL, while higher levels of anxiety and depression symptoms (at three months) were significant predictors of mental QOL. A neurological history and higher levels of anxiety and depression symptoms were significantly predictive of lower brain injury-specific QOL. Societal participation was only predicted by premorbid functioning. CONCLUSION: This study identified prognostic factors of QOL and societal participation one year after survival of cardiac arrest. Screening of these factors in early stages can identify those survivors with possibly unfavourable QOL at one year post cardiac arrest. For those survivors, preventive and targeted interventions may be offered. PMID- 29223604 TI - Robot-assisted Retrohepatic Inferior Vena Cava Thrombectomy: First or Second Porta Hepatis as an Important Boundary Landmark. AB - BACKGROUND: Robot-assisted retrohepatic inferior vena cava (IVC) thrombectomy (RA R-IVCTE) has been reported only for limited series. OBJECTIVE: To describe in detail the techniques for RA-R-IVCTE with regard to the relationship of a proximal thrombus to either the first porta hepatis (FPH) or second porta hepatis (SPH). DESIGN, SETTING, AND PARTICIPANTS: From May 2013 to July 2016, 22 patients with R-IVC tumor thrombi were admitted to our hospital. SURGICAL PROCEDURE: RA-R IVCTE was performed using the Rummel tourniquet technique. For a proximal thrombus inferior to the FPH, we ligated some short hepatic veins (SHVs; typically 1-3). For a thrombus between the FPH and SPH, we mobilized the right lobe of the liver from the IVC by ligating additional SHVs. For a thrombus near or above the SPH but below the diaphragm, we mobilized both the right and left lobes of the liver to obtain high proximal control of the suprahepatic and infradiaphragmatic IVC, and simultaneously clamped the FPH. MEASUREMENTS: Detailed techniques were described for various scenarios and perioperative outcomes were recorded. RESULTS AND LIMITATIONS: The median operation time was 285min (interquartile range [IQR] 191-390). Intraoperative estimated blood loss was 1350ml (IQR 1000-2075ml). Some 63.6% of patients required an intraoperative blood transfusion and 68% were transferred to the intensive care unit after surgery. Grade IV complications developed in five cases. Vascular injuries (4 cases) were treated with intraoperative endoscopic sutures. An intestinal fistula was found on postoperative day 7 in one case; treatment with gastrointestinal decompression and drainage resolved the condition by 1 mo. CONCLUSIONS: Even though the risks involved are high, RA-R-IVCTE is feasible for selected patients. The FPH/SPH is an important boundary landmark for RA-R-IVCTE. The location of proximal IVC tumor thrombi in relation to the FPH or SPH should determine the technique used. PATIENT SUMMARY: Robot-assisted thrombectomy for retrohepatic inferior vena cava tumor thrombus is feasible in selected patients. PMID- 29223605 TI - Updated European Association of Urology Guidelines Recommendations for the Treatment of First-line Metastatic Clear Cell Renal Cancer. AB - : The randomised phase III clinical trial Checkmate-214 showed a survival superiority for the combination of ipilimumab and nivolumab when compared with the previous standard of care in first-line metastatic/advanced clear cell renal cell carcinoma (RCC) (Escudier B, Tannir NM, McDermott DF, et al. CheckMate 214: efficacy and safety of nivolumab plus ipilimumab vs sunitinib for treatment-naive advanced or metastatic renal cell carcinoma, including IMDC risk and PD-L1 expression subgroups. LBA5, ESMO 2017, 2017). These results change the frontline standard of care for this disease and have implications for the selection of subsequent therapies. For this reason the European Association of Urology RCC guidelines have been updated. PATIENT SUMMARY: The European Association of Urology guidelines will be updated based on the results of the phase III Checkmate-214 clinical trial. The trial showed superior survival for a combination of ipilimumab and nivolumab (IN), compared with the previous standard of care, in intermediate- and poor-risk patients with metastatic clear cell renal cell carcinoma. When IN is not safe or feasible, alternative agents such as sunitinib, pazopanib, and cabozantinib should be considered. Furthermore, at present, the data from the trial are immature in favourable-risk patients. Therefore, sunitinib or pazopanib remains the favoured agent for this subgroup of patients. PMID- 29223606 TI - Re: Availability of Evidence of Benefits on Overall Survival and Quality of Life of Cancer Drugs Approved by European Medicines Agency: Retrospective Cohort Study of Drug Approvals 2009-2013. PMID- 29223607 TI - Re: Positive Surgical Margins and Local Recurrence After Simple Enucleation and Standard Partial Nephrectomy for Malignant Renal Tumors: Systematic Review of the Literature and Meta-analysis of Prevalence. PMID- 29223608 TI - Gastrointestinal colonisation with three different NDM-1-producing enterobacterial species isolated from an inpatient in Tehran, Iran. PMID- 29223609 TI - [Recurrent postpartum pyoderma gangrenosum and fatal cardiomyopathy]. AB - BACKGROUND: We report a case of recurrent post-partum pyoderma gangrenosum (PG) complicated by post-partum cardiomyopathy (PPCM). PATIENTS AND METHODS: A 23-year old woman presented with a previous medical history of aseptic abscess of the left breast in her fourth pregnancy, which developed after surgical drainage of an inflammatory ulceration treated by atraumatic topical care. During her fifth pregnancy, the patient presented a large and painful ulceration in relation to the scar of the Caesarean section, despite the introduction of broad-spectrum antibiotic therapy. Bacteriological samples were negative. Histological examination militated in favor of PG. One week after initiation of corticosteroid therapy, the patient suddenly showed signs of heart failure. Based on trans thoracic echocardiography PPCM was diagnosed, and the outcome was fatal. DISCUSSION: This observation raises the question of the relationship between PG and pregnancy and describes the association of PG and PPCM. PG occurs rarely during pregnancy and it may be induced by the rise in G-CSF levels found in pregnant women. The association with PPCM seen in our patient could have been due to the development of an anti-angiogenic climate at the end of pregnancy, together with inflammatory myocardial aggression linked to the PG. PMID- 29223610 TI - [Attractiveness of a university hospital career in France: Analysis of perceptions among young dermatologists in 2016]. PMID- 29223611 TI - Individuals exhibit consistent differences in their metabolic rates across changing thermal conditions. AB - Metabolic rate has been linked to growth, reproduction, and survival at the individual level and is thought to have far reaching consequences for the ecology and evolution of organisms. However, metabolic rates must be consistent (i.e. repeatable) over at least some portion of the lifetime in order to predict their longer-term effects on population dynamics and how they will respond to selection. Previous studies demonstrate that metabolic rates are repeatable under constant conditions but potentially less so in more variable environments. We measured the standard (=minimum) metabolic rate, maximum metabolic rate, and aerobic scope (=interval between standard and maximum rates) in juvenile brown trout (Salmo trutta) after 5weeks acclimation to each of three consecutive test temperatures (10, 13, and then 16 degrees C) that simulated the warming conditions experienced throughout their first summer of growth. We found that metabolic rates are repeatable over a period of months under changing thermal conditions: individual trout exhibited consistent differences in all three metabolic traits across increasing temperatures. Initial among-individual differences in metabolism are thus likely to have significant consequences for fitness-related traits over key periods of their life history. PMID- 29223612 TI - Predictive value of focused assessment with sonography for trauma (FAST) for laparotomy in unstable polytrauma Egyptians patients. AB - PURPOSE: The emergency physicians face significant clinical uncertainty when multiple trauma patients arrive in the emergency department (ED). The priorities for assessment and treatment of polytrauma patients are established in the primary survey. Focused assessment with sonography for trauma (FAST) is very essential clinical skill during trauma resuscitation. Use of point of care ultrasound among the trauma team working in the primary survey in emergency care settings is lacking in Suez Canal University Hospitals even ultrasound machine not available in ED. This study aims to evaluate the accuracy of FAST in hemodynamically unstable polytraumatized patients and to determine its role as an indication of laparotomy. METHODS: This study is a cross-sectional study included 150 polytrauma patients with a blunt mechanism admitted in Suez Canal University Hospital. Firstly primary survey by airway check, cervical spine securing with neck collar, maintenance of breathing/circulation and management of life threading conditions if present were conducted accordingly to ATLS (advanced trauma life support) guidelines. The patients were assessed in the primary survey using the FAST as a tool to determine the presence of intra-abdominal collection. RESULTS: A total of 150 patients, and FAST scans were performed in all cases. The sensitivity and specificity were 92.6% and 100%, respectively. The negative predictive value was 92%, while the positive predictive value of FAST was 100%. The accuracy of FAST was 96%. CONCLUSION: FAST is an important method to detect intra-abdominal fluid in the initial assessment in hemodynamically unstable polytrauma patients with high accuracy. PMID- 29223613 TI - 18F-NaF PET/CT for the evaluation of temporomandibular joint disorder. AB - AIM: To investigate the usefulness of a quantitative parameter (maximum standardised uptake value [SUVmax]) of 18F-sodium fluoride (NaF) positron emission tomography (PET)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). MATERIALS AND METHODS: Seventy-six TMD patients (male: female=14:62, age=40.3+/-17.1 years, bilateral: unilateral=40:36) with 152 TMJs were enrolled. The 18F-NaF PET/CT parameter (SUVmax) was compared with the presence of TMJ arthralgia (arthralgic=86, non arthralgic=66) and clinical subtypes based on the Research Diagnostic Criteria for TMD Axis I (TMD osteoarthritis=49, non-TMD osteoarthritis=67, and asymptomatic TMJ=36). Splint therapy was applied to 48 patients for 6 months without considering 18F-NaF PET/CT findings. Post-splint therapy 18F-NaF PET/CT was performed in 32 patients and clinical responses to the therapy were classified into improvement (n=33), no change (n=10), or aggravation (n=7) for 50 TMJs excluding asymptomatic TMJs (n=14). RESULTS: SUVmax was significantly greater in arthralgic TMJs than in non-arthralgic TMJs (6.62+/-3.56 versus 4.32+/ 1.53, p<0.0001). SUVmax was also significantly greater in TMD osteoarthritis (6.75+/-3.85) than in non-TMD osteoarthritis (5.21+/-2.70) and asymptomatic TMJs (4.86+/-1.99; p=0.0386). After splint therapy, SUVmax was significantly increased in aggravated TMJs (from 7.80+/-3.72 to 11.00+/-5.74, p=0.0156), whereas no significant change in SUVmax was observed in improved (from 6.16+/-2.68 to 6.09+/ 2.60, p=0.4915) and unchanged (from 6.46+/-4.19 to 6.77+/-4.32, p=0.3223) TMJs. CONCLUSIONS: 18F-NaF PET/CT is a useful imaging tool for TMD evaluation because SUVmax showed a fair diagnostic performance for arthralgic TMJ and TMD osteoarthritis, and a correlation with the therapeutic response. PMID- 29223614 TI - Host susceptibility to MERS-CoV infection, a retrospective cohort study of the 2015 Korean MERS outbreak. AB - To evaluate host susceptibility factors to Middle East respiratory syndrome coronavirus (MERS-CoV) infection, we conducted a retrospective cohort study from the single largest exposure event of the 2015 Korean MERS outbreak. A total of 175 patients were closely exposed to a super-spreader, 26 of which were infected (14.9%). In a multivariate analysis, history of autologous stem cell transplantation (HR, 31.151; 95% CI, 5.447-178.145; P < 0.001) and tachypnea at ED (HR, 4.392; 95% CI, 1.402-13.761; P = 0.011) were significantly associated with MERS-CoV infection. PMID- 29223615 TI - Differences in drug susceptibility pattern between Mycobacterium avium and Mycobacterium intracellulare isolated in respiratory specimens. AB - Mycobacterium avium complex (MAC) is the most common etiologic organisms of nontuberculous mycobacteria (NTM) lung disease. In this study, we aimed to retrospectively investigate the differences in drug susceptibility patterns of two major MAC species; Mycobacterium avium and Mycobacterium intracellulare. A total of 1883 major two MAC isolates (1060 M. avium and 823 M. intracellulare) from respiratory specimens were included in this study during the period 2011?2016. The minimum inhibitory concentrations (MICs) were determined by broth microdilution method and MIC50/MIC90 values were derived from MIC distribution. M. intracellulare had generally low susceptible rates than M. avium for almost all tested antimicrobials except ethambutol and amikacin. The susceptible rate to clarithromycin was >94% of the MAC without significant differences between the two species. The MIC50 values of ciprofloxacin, clarithromycin, linezolid, moxifloxacin, and rifampicin were higher in M. intracellulare than in M. avium, contrary to the results of ethambutol with a higher MIC50 in M. avium. In general, M. intracellulare showed a higher resistance rate and higher MIC50 values than M. avium. Differences between this study and previous reports suggest regional differences in drug susceptibility profile of MAC species. PMID- 29223617 TI - Silicone lip implant for augmentation in cleft lip. PMID- 29223616 TI - Three new highly oxygenated sterols and one new dihydroisocoumarin from the marine sponge-derived fungus Cladosporium sp. SCSIO41007. AB - Three new highly oxygenated sterols (1-3) and a new dihydroisocoumarin (7) together with six known compounds were isolated from the extracts of the culture of a sponge-derived fungus Cladosporium sp. SCSIO41007. The structures of all new compounds (1-3, 7) were determined by the extensive spectroscopic analysis including NMR, MS, IR, and UV. Their absolute configurations were determined by X ray single-crystal and CD data analysis. Compound 2 exhibited weak inhibitory activity against H3N2 with the IC50 value of 16.2 MUM. PMID- 29223618 TI - Post-operative care of VRAM flaps for perineal reconstruction. PMID- 29223621 TI - Does observation of a disabled child's action moderate action execution? Implication for the use of Action Observation Therapy for patient rehabilitation. AB - BACKGROUND: Research investigating action observation-execution priming has mainly manipulated congruent versus incongruent action, and aspects of action expertise/capability. More specifically, the literature suggests enhanced performance priming following action observation by actors closely matched to participant expertise. The aim of the present study was to extend the understanding of action expertise effects by investigating action priming in healthy participants after observing a mild hemiparetic child actor versus a neurologically healthy child actor. METHODS: 16 healthy right-handed children, aged 6-13 years were tested. Several motor assessments were performed, including gross and fine manual motor ability, and upper limb kinematics measured using a precise robotic device. A cross-over design consisted in two experimental conditions (observing actions performed by a child with hemiparesis versus observing actions performed by a healthy child) and a pre-observation double baseline control condition, with the data analyzed using repeated measures ANOVA. RESULTS: Relative to baseline, both types of action observation conditions enhanced fine manual dexterity, but observing the hemiparetic child enhanced gross manual dexterity and upper limb velocity kinematics relative to observing actions performed by a healthy child. No effects were shown on measures of smoothness and accuracy. DISCUSSION: Contradictorily to hypotheses discussed in the literature, results here showed evidence of enhanced action execution when healthy children observed hemiparetic compared to healthy child actions. These results are discussed in terms of how patient compared to healthy actors may be useful for clinical action observation priming therapy. PMID- 29223619 TI - Differential effects of hepatic cirrhosis on the intrinsic clearances of sorafenib and imatinib by CYPs in human liver. AB - The tyrosine kinase inhibitors sorafenib and imatinib are important in the treatment of a range of cancers but adverse effects in some patients necessitate dosage modifications. CYP3A4 has a major role in the oxidation of sorafenib to its N-oxide and N-hydroxymethyl metabolites and also acts in concert with CYP2C8 to mediate imatinib N-demethylation. CYP3A4 expression and function are impaired in patients with advanced liver disease, whereas the functions of CYP2C enzymes are relatively preserved. We evaluated the biotransformation of sorafenib and imatinib in well-characterized microsomal fractions from 17 control subjects and 19 individuals with hepatic cirrhosis of varying severity. The principal findings were that liver disease impaired the microsomal oxidation of sorafenib to its major metabolites to 40-44% of control (P<0.01), whereas the N-demethylation of imatinib was relatively unimpaired. The impairments in sorafenib biotransformation were correlated with decreased serum albumin concentrations and increased serum bilirubin concentrations in patients with liver disease, but not with the overall grade of liver disease according to the Child-Pugh system. In contrast, there was no relationship between imatinib N-demethylation and clinicopathologic factors in liver disease patients. These findings were accounted for in terms of the differential roles of CYPs 3A4 and 2C8 in the intrinsic clearance of the drugs. CYP3A4 has the major role in the intrinsic clearance of sorafenib but plays a secondary role to CYP2C8 in the intrinsic clearance of imatinib. In agreement with these findings CYP2C protein expression and CYP2C8-mediated paclitaxel 6alpha-hydroxylation were unimpaired in cirrhotic livers. This information could be adapted in individualized approaches such as in vivo CYP3A4 phenotyping to optimize sorafenib safety and efficacy in cancer patients with liver dysfunction. PMID- 29223620 TI - Impact of Obesity on Modality Longevity, Residual Kidney Function, Peritonitis, and Survival Among Incident Peritoneal Dialysis Patients. AB - BACKGROUND: The prevalence of severe obesity, often considered a contraindication to peritoneal dialysis (PD), has increased over time. However, mortality has decreased more rapidly in the PD population than the hemodialysis (HD) population in the United States. The association between obesity and clinical outcomes among patients with end-stage kidney disease remains unclear in the current era. STUDY DESIGN: Historical cohort study. SETTING & PARTICIPANTS: 15,573 incident PD patients from a large US dialysis organization (2007-2011). PREDICTOR: Body mass index (BMI). OUTCOMES: Modality longevity, residual renal creatinine clearance, peritonitis, and survival. RESULTS: Higher BMI was significantly associated with shorter time to transfer to HD therapy (P for trend < 0.001), longer time to kidney transplantation (P for trend < 0.001), and, with borderline significance, more frequent peritonitis-related hospitalization (P for trend = 0.05). Compared with lean patients, obese patients had faster declines in residual kidney function (P for trend < 0.001) and consistently achieved lower total Kt/V over time (P for trend < 0.001) despite greater increases in dialysis Kt/V (P for trend < 0.001). There was a U-shaped association between BMI and mortality, with the greatest survival associated with the BMI range of 30 to < 35kg/m2 in the case-mix adjusted model. Compared with matched HD patients, PD patients had lower mortality in the BMI categories of < 25 and 25 to < 35kg/m2 and had equivalent survival in the BMI category >= 35kg/m2 (P for interaction = 0.001 [vs < 25 kg/m2]). This attenuation in survival difference among patients with severe obesity was observed only in patients with diabetes, but not those without diabetes. LIMITATIONS: Inability to evaluate causal associations. Potential indication bias. CONCLUSIONS: Whereas obese PD patients had higher risk for complications than nonobese PD patients, their survival was no worse than matched HD patients. PMID- 29223622 TI - Airway changes following labor and delivery in preeclamptic parturients: a prospective case control study. AB - BACKGROUND: Preeclampsia is associated with greater narrowing of the airway than normal pregnancy, but it is not known if these changes worsen during labor and delivery. The aim of the study was to evaluate the airway during and after labor in women with or without preeclampsia. METHODS: Twenty-five normal and 25 severely preeclamptic pregnant women in early labor were recruited in this single center, prospective, case-control study. Airway assessment was performed (a) before active labor (b) within one hour of delivery and (c) 24-48 h postpartum. The Mallampati grade was the primary outcome. Sonographic measurements of tongue thickness, anterior neck soft tissue at the level of the hyoid bone and the vocal cords, thyromental distance, and neck circumference, were secondary outcomes. RESULTS: The Mallampati score increased from the pre-labor to the post-labor period in both preeclamptic and normotensive patients (P=0.001 and P=0.002 respectively). A significant difference in tissue thickness at the hyoid level was observed between preeclamptic and normotensive patients pre-labor (P=0.035), post-labor (P=0.05) and postpartum (P=0.05). There was no significant difference in thyromental distance or neck circumference between groups at any time. The total duration of labor and a Mallampati change by one grade correlated (Spearman correlation coefficient 0.473). CONCLUSION: Airway sonography may provide useful bedside anatomical information for prediction of difficult laryngoscopy. The change in airway dimensions and the Mallampati score during labor may persist for 48 h postpartum in both groups. Those with prolonged labor are more susceptible to changes in airway dimensions. PMID- 29223623 TI - Gene-Indexed Mutations in Maize. AB - The availability of the B73 inbred reference genome sets the stage for high throughput functional characterization of maize genes on a whole-genome scale. Among the 39 324 protein-coding genes predicted, the vast majority are untapped due to the lack of suitable high-throughput reverse genetic resources. We have generated a gene-indexed maize mutant collection through ethyl methanesulfonate mutagenesis and detected the mutations by combining exome capture and next generation sequencing. A total of 1086 mutated M1 plants were sequenced, and 195 268 CG>TA-type point mutations, including stop gain/loss, missplice, start gain/loss, and various non-synonymous protein mutations as well as 4610 InDel mutations, were identified. These mutations were distributed on 32 069 genes, representing 82% of the predicted protein-coding genes in the maize genome. We detected an average of 180 mutations per mutant line and 6.1 mutations per gene. As many as 27 214 mutations of start codons, stop codons, or missplice sites were identified in 14 101 genes, among which 6232 individual genes harbored more than two such mutations. Application of this mutant collection is exemplified by the identification of the ent-kaurene synthase gene, which encodes a key enzyme in the gibberellin biosynthesis pathway. This gene-indexed genome-wide mutation collection provides an important resource for functional analysis of maize genes and may bring desirable allelic variants for genetic breeding in maize. PMID- 29223624 TI - Implementation of the Alarm Distress Baby Scale as a universal screening instrument in primary care: feasibility, acceptability, and predictors of professionals' adherence to guidelines. AB - BACKGROUND: Infant socioemotional development is often held under informal surveillance, but a formal screening program is needed to ensure systematic identification of developmental risk. Even when screening programs exist, they are often ineffective because health care professionals do not adhere to screening guidelines, resulting in low screening prevalence rates. OBJECTIVES: To examine feasibility and acceptability of implementing universal screening for infant socioemotional problems with the Alarm Distress Baby Scale in primary care. The following questions were addressed: Is it possible to obtain acceptable screening prevalence rates within a 1-year period? How do the primary care workers (in this case, health visitors) experience using the instrument? Are attitudes toward using the instrument related to screening prevalence rates? DESIGN: A longitudinal mixed-method study (surveys, data from the health visitors' digital filing system, and qualitative coding of answers to open-ended questions) was undertaken. SETTING AND PARTICIPANTS: Health visitors in three of five districts of the City of Copenhagen, Denmark (N=79). METHODS: We describe and evaluate the implementation process from the date the health visitors started the training on how to use the Alarm Distress Baby Scale to one year after they began using the instrument in practice. To monitor screening prevalence rates and adherence to guidelines, we used three data extractions (6, 9, and 12 months post implementation) from the electronic filing system. Surveys including both quantitative and open-ended questions (pre- and post-implementation) were used to examine experiences with and attitudes towards the instrument. Descriptive and inferential statistical and qualitative content analyses were used. RESULTS: Screening prevalence rates increased during the first year: Six months after implementation 47% (n=405) of the children had been screened; 12 months after implementation 79% (n=789) of the children were screened (the same child was not counted more than once). Most (92%) of the health visitors reported that the instrument made a positive contribution to their work. The majority (81%) also reported that it posed a challenge in their daily work at least to some degree. The health visitors' attitudes (positive and negative) toward the Alarm Distress Baby Scale, measured 7 months post-implementation, significantly predicted screening prevalence rates 12 months post-implementation. CONCLUSIONS: Adding the Alarm Distress Baby Scale to an established surveillance program is feasible and accepTable Screening prevalence rates may be related to the primary care worker's attitude toward the instrument, i.e. successful implementation relies on an instrument that adds value to the work of the screener. PMID- 29223626 TI - Sleep and quality of life of patients with glycogen storage disease on standard and modified uncooked cornstarch. AB - BACKGROUND: Glycemic control in hepatic glycogen storage diseases (GSDs) relies on specific nutritional recommendations, including strict avoidance of a fasting period. Uncooked cornstarch (UCCS) is an important therapeutic component. A new modified UCCS, GlycosadeTM, was created with the objective of prolonging euglycemia. We aimed to determine the length of euglycemia on GlycosadeTM using a continuous glucose monitor (CGM) and to evaluate whether longer euglycemia and thus less nighttime interruptions would improve sleep and quality of life (QoL) after the introduction of the modified cornstarch. METHODS: We conducted a prospective cohort study to assess quality and quantity of sleep and quality of life (QoL) in patients with GSDs on standard UCCS and after the introduction of GlycosadeTM. Sleep and QoL evaluation was done for patients using validated questionnaires, a standardized sleep diary and actigraphy. Length of fast and glucose variability were determined with CGM. RESULTS: Nine adults with GSD Ia took part in the study. GlycosadeTM introduction was done under close supervision during a hospital admission. Comparison of sleep in 9 patients showed sleep disturbances on standard UCCS that were improved with GlycosadeTM. QoL was normal both pre and post GlycosadeTM. The CGM confirmed maintenance of a longer fasting period with GlycosadeTM at home. CONCLUSION: GlycosadeTM represents an alternative option for GSD patients. We showed possible benefits in terms of sleep quality. We also confirmed the longer length of fast on GlycosadeTM. SYNOPSIS: A new modified form of uncooked starch for patients with glycogen storage disease represents an alternative option as it showed a longer length of fast and improvements in sleep quality. PMID- 29223625 TI - Development and validation of a predictive model for excessive postpartum blood loss: A retrospective, cohort study. AB - BACKGROUND: postpartum haemorrhage is one of the leading causes of maternal morbidity and mortality worldwide. Despite the use of uterotonics agents as preventive measure, it remains a challenge to identify those women who are at increased risk of postpartum bleeding. OBJECTIVE: to develop and to validate a predictive model to assess the risk of excessive bleeding in women with vaginal birth. DESIGN: retrospective cohorts study. SETTING: "Mancha-Centro Hospital" (Spain). PARTICIPANTS: the elaboration of the predictive model was based on a derivation cohort consisting of 2336 women between 2009 and 2011. For validation purposes, a prospective cohort of 953 women between 2013 and 2014 were employed. Women with antenatal fetal demise, multiple pregnancies and gestations under 35 weeks were excluded METHODS: we used a multivariate analysis with binary logistic regression, Ridge Regression and areas under the Receiver Operating Characteristic curves to determine the predictive ability of the proposed model. RESULTS: there was 197 (8.43%) women with excessive bleeding in the derivation cohort and 63 (6.61%) women in the validation cohort. Predictive factors in the final model were: maternal age, primiparity, duration of the first and second stages of labour, neonatal birth weight and antepartum haemoglobin levels. Accordingly, the predictive ability of this model in the derivation cohort was 0.90 (95% CI: 0.85-0.93), while it remained 0.83 (95% CI: 0.74-0.92) in the validation cohort. CONCLUSIONS: this predictive model is proved to have an excellent predictive ability in the derivation cohort, and its validation in a latter population equally shows a good ability for prediction. This model can be employed to identify women with a higher risk of postpartum haemorrhage. PMID- 29223628 TI - Five- and 10-Year Follow-Up of Nonvascularized Toe Phalanx Transfers. AB - PURPOSE: The purpose of this study was to evaluate long-term outcomes of nonvascularized toe phalanx transfer. METHODS: We retrospectively reviewed 54 nonvascularized toe phalanx transfers in 29 children with symbrachydactyly. Forty seven transfers in 24 children were evaluated at 5-year follow-up and 27 transfers in 14 children were evaluated at 10-year follow-up. We recorded the incidence of the early physeal closure and the length of the transferred toe phalanx on plain radiographs at 5- and 10-year follow-up. Growth rate in the first 5 years and the following 5 years were calculated. Function of the metacarpophalangeal joint (motion, stability, and alignment) was also evaluated. RESULTS: The mean age at surgery was 1.5 years. Seven toe phalanges were trimmed because the skin pocket was tight. Five transfers required revision surgery for partial necrosis of the skin pocket. At 5-year follow-up, the physis was closed in 23%, and at 10 years, 78% of physes were closed. The phalanx length was 87% of expected at 5-year follow-up and 71% at 10-year follow-up. Growth rate was 0.83 mm/y in the first 5 years and 0.22 mm/y in the following 5 years. Active motion was rated as good in 24, fair in 7, and poor in 16. Stability and alignment were rated as good in 37 and 33, fair in 8 and 5, and poor in 2 and 9, respectively. CONCLUSIONS: Nonvascularized toe phalanx transfer offered a relatively simple method to lengthen short digits and to provide satisfactory function. The transferred toe phalanges grew at a near-normal rate in the first 5 years, but the growth rate decreased between 5 and 10 years. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV. PMID- 29223629 TI - A New Clinical Sign of Lumbrical Plus Finger. AB - Paradoxical finger extension is the classical clinical presentation of the lumbrical plus syndrome. We report a new additional sign, increased metacarpophalangeal flexion of the involved finger when the patient tries to make a fist. Three cases of lumbrical tightness are discussed, illustrating this new sign in 3 different clinical settings. The new sign was present in all 3 cases. Lumbrical tenotomy corrected the paradoxical interphalangeal extension and partly the increased metacarpophalangeal flexion. The lumbrical tendon has a relatively high moment arm relative to the metacarpophalangeal joint, which could explain the basis of this clinical sign. This new physical examination sign may help in diagnosing the lumbrical plus syndrome, a subtle complication of flexor digitorum profundus lesions that is not easily diagnosed but which is easily addressed. PMID- 29223630 TI - Postoperative Loss of Midline Function in Brachial Plexus Birth Palsy. AB - PURPOSE: To identify the rate of and predictive variables for functionally limited shoulder internal rotation in postoperative patients with brachial plexus birth palsy. METHODS: Records of patients with brachial plexus birth palsy who had surgery on the affected upper extremity during a 10-year period were retrospectively reviewed. Patient demographics, physical examinations, and all upper extremity procedures were recorded. Loss of midline function (LOM) was defined as a Modified Mallet Scale or Active Movement Scale (AMS) internal rotation score <3. Exclusion criteria were <1-year follow-up after the most recent procedure, insufficient documentation, or preexisting LOM. Multivariable logistic regression was performed on 3 different scenarios of candidate variables to identify those associated with LOM. All scenarios included each procedure as a candidate variable. Scenario A additionally analyzed preprocedural AMS scores. Scenario B additionally analyzed preprocedural Modified Mallet Scale scores. Scenario C isolated the surgical pathway without preprocedural examination scores. RESULTS: Among 172 included patients, 34 (19.8%) developed LOM. Predictive variables associated with LOM included severity of initial palsy (C5 7, odds ratio 3.6; C5-T1, odds ratio 4.9), poor recovery of upper trunk motor function before the patient's first surgery (specifically Modified Mallet Scale abduction < 4, AMS elbow flexion < 3, and AMS wrist extension < 3), and patients who ultimately required surgical glenohumeral reduction (odds ratio 3.6). Age, number of procedures, closed shoulder reduction with casting, shoulder tendon transfers, and external rotation humeral osteotomies were not predictive of LOM. CONCLUSIONS: Approximately 1 in every 5 patients with brachial plexus birth palsy will develop LOM after entering a surgical algorithm designed to improve shoulder external rotation. Patients with a more severe initial palsy (C5-7 or global), poor spontaneous recovery of upper trunk motor function (elbow flexion or wrist extension) before their first procedure, and those who ultimately require surgical glenohumeral joint reduction should be counseled as having a higher odds of LOM development. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV. PMID- 29223631 TI - Nontuberculous Mycobacterial Infections of the Upper Extremity: 15-Year Experience at a Tertiary Care Medical Center. AB - PURPOSE: To present our experience with culture-positive, nontuberculous mycobacterial infections (NTMI) of the upper extremity and to compare the clinical features and outcomes of treatment among immunocompetent and immunocompromised patients. METHODS: All patients at our medical center diagnosed with NTMI of the upper extremity from December 1, 2000, through December 31, 2015, were included. We performed a retrospective analysis of patient demographic characteristics, delay to diagnosis, risk factors, clinical presentation, specific location, diagnostic testing, treatment regimens, and outcomes. These variables were compared between immunocompetent and immunocompromised patients. RESULTS: Forty-four patients were identified with culture-positive NTMI of the upper extremity. Of the patients, 27 (61%) were men (median age, 59 years [range, 23-83 years]). Twenty (45%) patients were immunocompromised. Immunocompromised patients had fewer known inoculation injuries compared with immunocompetent patients (45% vs 92%). A significant difference existed in the treatment regimens selected for immunocompetent versus immunocompromised patients: immunocompetent patients were more often treated with both antibiotics and surgery (88% vs 50%), whereas immunocompromised patients were more often treated with antibiotics alone (45% vs 4%). Overall, 24% experienced treatment failure and 9% died. Outcomes were relatively similar between immunocompetent and immunocompromised patients. A shorter delay to diagnosis was associated with a lower failure rate. CONCLUSIONS: Diagnosis of upper-extremity NTMI is often delayed because of indolent presentation and lack of clinical suspicion. The clinical presentation, diagnostic delay, and diagnostic testing results are similar between immunocompetent and immunocompromised patients. Although treatment varied significantly between patient groups, outcomes were similar. Timely diagnosis has the greatest impact on patient outcome. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV. PMID- 29223632 TI - Comparative Morbidity of Cubital Tunnel Surgeries: A Prospective Cohort Study. AB - PURPOSE: Randomized controlled trials have not identified a superior surgical approach to cubital tunnel syndrome surgery. This study evaluates the early morbidity of open in situ decompression and transposition. METHODS: This prospective cohort study enrolled 125 adult patients indicated for cubital tunnel surgery at a tertiary institution. Exclusion criteria included preoperative use of narcotics and concurrent elbow procedures. In situ decompressions (n = 47) and ulnar nerve transpositions (n = 78) were performed. Data were collected by independent clinicians at 3 postoperative intervals: 1 to 3 weeks, 4 to 8 weeks, and longer than 8 weeks. Postoperative data quantified surgical morbidity: visual analog scale (0-10) surgical site pain, narcotic consumption, patient-reported disability (Levine-Katz, Patient-Reported Elbow Evaluation [PREE] scores). Olecranon paresthesia and wound complications (hematoma, drainage, infection) were recorded. RESULTS: No preoperative differences in age, sex, or the presence of pain existed between the surgical groups. Surgical site pain was not significantly different at any time. Following transposition, a significantly greater percentage of patients were using narcotics at 4 to 8 weeks after surgery and the average total morphine equivalents consumed per patient was significantly greater. Both Levine-Katz and PREE scores indicated greater disability at 1 to 3 and 4 to 8 weeks after transposition, but this significant difference resolved by final follow-up. Olecranon paresthesias occurred after both procedures but were significantly less frequent at 4 to 8 weeks and longer than 8 weeks after decompression. Twelve hematomas occurred following transposition (15%) with 1 requiring operative debridement and 5 hematomas resolved with nonsurgical treatment after in situ decompression (11%). CONCLUSIONS: Ulnar nerve transposition imparts greater surgical morbidity than decompression with greater narcotic consumption, more patient-reported disability up to 8 weeks after surgery, and more persistent olecranon paresthesia. However, most differences in surgical morbidity are transient with resolution after 8 weeks following surgery. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic II. PMID- 29223633 TI - Effectiveness of irrigation with chlorhexidine after removal of mandibular third molars: a randomised controlled trial. AB - To evaluate the effect of postoperative irrigation with chlorhexidine on inflammatory complications after the extraction of lower third molars under local anaesthesia, we recruited 100 patients to participate in a controlled, single blind, randomised clinical trial. They were assigned to one of two groups: the intervention group (postoperative irrigation of the surgical site with chlorhexidine for seven days) or the control group (postoperative chlorhexidine mouth rinse for seven days). The primary outcome variables were pain, swelling, trismus, infection, and alveolar osteitis. The secondary outcome variables were wound dehiscence and food impaction. A total of 95 participants completed the study (47 in the irrigation group and 48 in the rinse group). In the irrigation group, alveolar osteitis and facial swelling had reduced significantly at seven days postoperatively (both p<0.01). Pain scores had also reduced significantly at seven days (p<0.01), but not at 48hours, and patients had lower levels of food impaction (p<0.01) and less severe symptoms (p=0.02). Routine irrigation with chlorhexidine after the extraction of third molars helps to reduce pain and lowers the incidence of alveolar osteitis. PMID- 29223634 TI - The composite palatal island flap: modification of an existing technique to reconstruct the maxillary alveolus. PMID- 29223635 TI - Three-dimensional superimposition for patients with facial palsy: an innovative method for assessing the success of facial reanimation procedures. AB - Facial palsy is a severe condition that may be ameliorated by facial reanimation, but there is no consensus about how to judge its success. In this study we aimed to test a new method for assessing facial movements based on 3-dimensional analysis of the facial surfaces. Eleven patients aged between 42 and 77 years who had recently been affected by facial palsy (onset between 6 and 18 months) were treated by an operation based on triple innervation: the masseteric to temporofacial nerve branch, 30% of the hypoglossal fibres to the cervicofacial nerve branch, and the contralateral facial nerve through two cross-face sural nerve grafts. Each patient had five stereophotogrammetric scans: at rest, smiling on the healthy side (facial stimulus), biting (masseteric stimulus), moving the tongue (hypoglossal stimulus), and corner-of-the-mouth smile (Mona Lisa). Each scan was superimposed onto the facial model of the "rest" position, and the point to-point root mean square (RMS) value was automatically calculated on both the paralysed and the healthy side, together with an index of asymmetry. One-way and two-way ANOVA tests, respectively, were applied to verify the significance of possible differences in the RMS and asymmetry index according to the type of stimulus (p=0.0329) and side (p<0.0001). RMS differed significantly according to side between the facial stimulus and the masseteric one on the paralysed side (p=0.0316). Facial stimulus evoked the most asymmetrical movement, whereas the masseteric produced the most symmetrical expression. The method can be used for assessing facial movements after facial reanimation. PMID- 29223636 TI - Revisiting lip shave: a solution for disorders of the vermilion border. AB - Actinic keratosis, leukoplakia, carcinoma in situ, and superficially invasive carcinomas of the lower lip are caused mainly by the cumulative effects of exposure of the vermilion of the lower lip to ultraviolet radiation. Current treatments all have limitations: cryosurgery or electrosurgery is suitable to treat only focal lesions; topical chemotherapy, which is an option for diffuse actinic damage, yields unreliable results; and laser treatment fails to rejuvenate the vermilion. However, "lip shave", which involves full-thickness excision of the damaged vermilion and reconstruction with an advancement labial mucosal flap, will produce a fresh mucosal lining to the vermilion border. We describe our experience of the technique and evaluate the functional and aesthetic outcomes in 20 patients treated between January 2011 and January 2016. The follow-up period ranged from 24 to 60 months. Three-quarters of the patients had dysplasia or superficially invasive malignancy. Resected lesions were about 63mm long, 13.7mm wide, and 3.9mm deep. No patients had recurrence or secondary lesions during follow up, functional disturbance was minimal, and the cosmetic outcome pleasing. Lip shave can efficiently reconstruct the vermilion of the lower lip with minimum deformity. PMID- 29223637 TI - The role of striatal Galphaq/11 protein in methamphetamine-induced behavioral sensitization in mice. AB - Galphaq/11 protein transduces signals from neurotransmitter receptors and has been implicated in several functions of the central nervous system. In this study, the role of Galphaq/11 protein in methamphetamine (METH)-induced behavioral sensitization was investigated using neurochemical and behavioral approaches. Repeated treatment with METH (2mg/kg, intraperitoneally) significantly increased behavioral sensitization as well as Galphaq/11 protein expression and Galpha protein activity in the striata of mice, while a single treatment of METH at the same dose did not affect these parameters. Repeated intrastriatal injections of a Galphaq/11 inhibitor, [D-Trp7,9,10]-substance P, significantly reduced behavioral sensitization and striatal dopamine (DA) level in response to METH, with no effect on striatal tyrosine hydroxylase expression. These results suggest that Galphaq/11 protein facilitates METH-induced behavioral sensitization by modulating DA release in the mouse striatum. PMID- 29223638 TI - PD-L1 Expression in a Non-Small Cell Lung Cancer Specimen Obtained by EBUS-TBNA. PMID- 29223639 TI - Extensive phenotyping of the orofacial and dental complex in Crouzon syndrome. AB - OBJECTIVES: Fibroblast growth factor receptor 2 (FGFR2) C342Y/+ mutation is a known cause of Crouzon syndrome that is characterised by craniosynostosis and midfacial hypoplasia. Our aim was to conduct extensive phenotyping of the maxillary, mandibular and dental morphology associated with this mutation. MATERIALS AND METHODS: Morphometric data were obtained from 40 mice, representing two genotypes (Crouzon and wild-type) and two sexes (males and females) (n=10 in each group). Dental analysis further categorised the first molars into the two jaws (maxillary and mandibular) (n=20 in each group). Maxillary, mandibular and dental morphology was compared by analysing 23 linear landmark-based dimensions in three-dimensional micro-computed tomography reconstructions. RESULTS: Compared with wild-type, Crouzon (FGFR2C342Y/+) maxillae were significantly shorter in maximum height, anterior and posterior lengths and middle width, but larger in posterior width (p<0.05 for height; p<0.001 for other comparisons). In the Crouzon mandible, the ascending and descending heights, effective and mandibular lengths, and intercoronoid and intercondylar widths were significantly shorter, whereas intergonial width was larger (p<0.01 for intercondylar width; p<0.001 for other comparisons). Crouzon teeth were significantly smaller mesiodistally, but larger in crown height (p<0.001 for each comparison). All Crouzon mice presented with bifid mandibular condyles and a quarter presented with expansive bone lesions in the mandibular incisor alveolus. CONCLUSIONS: Our findings of hypoplasia in all three planes in Crouzon maxillae and mandibles, together with the presence of bifid mandibular condyles and expansive bone lesions, may be relevant to maxillofacial surgery and orthodontics. Beyond skeletal effects, the FGFR2C342Y/+ mutation is now implicated in affecting tooth development. This study's skeletal phenomics data also provides baseline data against which the effect of various treatments can now be assessed. PMID- 29223640 TI - Dentin sialophosphoprotein expression in enamel is regulated by Copine-7, a preameloblast-derived factor. AB - OBJECTIVE: Dentin sialophosphoprotein (Dspp) is expressed in odontoblasts and transiently expressed in early ameloblasts. However, the origin of Dspp in ameloblasts remains unclear. Our previous studies demonstrated that copine-7 (CPNE7), a molecule that is secreted by the dental epithelium, is expressed in early ameloblasts and is then translocated to differentiating odontoblasts; its expression levels correlate with odontoblast differentiation under the control of Dspp expression. The objective of this study is to figure out the relationship between CPNE7 and Dspp during amelogenesis. DESIGN: The gene expression patterns of CPNE7 and dentin sialoprotein (DSP) were examined by immunohistochemistry, western blot analysis, and real-time polymerase chain reaction. The effects of CPNE7 on Dspp regulation were investigated using luciferase and chromatin immunoprecipitation assays in ameloblastic HAT-7 cells. RESULTS: The gene expression pattern of Cpne7 was similar to that of Dspp during ameloblast differentiation. Moreover, Gene expression omnibus profiles indicated that there is a close correlation between Cpne7 and Dspp expression in various normal human tissues. We also confirmed the effects of CPNE7 on the induction of Dspp in ameloblastic HAT-7 cells. Cpne7 overexpression promoted Dspp expression, whereas Dspp expression was down-regulated by Cpne7 inactivation. CONCLUSIONS: These results suggest that the expression of Dspp in early amelogenesis is linked to CPNE7, a preameloblast-derived factor. PMID- 29223641 TI - Re-irradiation for Locally Recurrent Lung Cancer: Evidence, Risks and Benefits. AB - In spite of recent improvements in both the technical delivery of radiotherapy and systemic therapy in the treatment of non-small cell lung cancer, local recurrence rates after radiotherapy remain a significant challenge. In the setting of local relapse after radiotherapy, treatments such as surgical resection or radiofrequency ablation are often not appropriate owing to disease and patient factors. Re-irradiation may be a potential treatment option. This overview considers the published evidence and potential treatment strategies. PMID- 29223642 TI - Fighting Resilient Cancers with Iron. AB - Tumor progression and resistance to treatment are often accompanied by the polarization of malignant cells towards a mesenchymal or poorly differentiated state. Such a transition generates an accrued vulnerability to the induction of ferroptosis, potentially paving the way to novel therapeutic strategies for targeting residual disease in patients with cancer. PMID- 29223643 TI - Povidone iodine soaked gelfoam for the treatment of recalcitrant otomycosis - Our experiences at a tertiary care teaching hospital of eastern India. AB - INTRODUCTION: Otomycosis is a common clinical condition seen in outpatient department of otorhinolaryngology. The treatment of the otomycosis is also very simple. However, sometime it is difficult to treat otomycosis along with mastoid cavity, chronic suppurative otitis media, immunocompromised patient, etc. with conventional treatment, called recalcitrant otomycosis. Here, we describe a technique of treatment for recalcitrant otomycosis. MATERIALS AND METHODS: This is a prospective observational study/clinical trial carried out on 44 patients of recalcitrant otomycosis. They are divided into two groups, each of 22. One group treated with routine clotrimazole topical eardrops whereas other group treated with povidone iodine soaked gelfoam, placed in the external auditory canal. RESULTS: There was no significance difference according to the age (P=0.134), gender (P=0.760) and causative agents (P=0.750) between treatment groups. The resolution of the symptoms showed statistically significant on itching (P=0.0001), otorrhoea (P=0.0033), fullness (P=0.0432) and earache (P=0.0259), whereas no statistical significant on hearing loss (P=0.0683), when treating with povidone iodine soaked gelfoam as compared to routine (clotrimazole) treatment. Resolution of signs like canal wall erythema (P=0.0045), tragal tenderness (P=0.0012) and congestion of tympanic membrane (P=0.0088) is statistically significant when comparing clotrimazole with povidone iodine. Apart from these, we did not reveal any adverse effects from the study populations treated with povidone iodine soaked gelfoam. CONCLUSION: Use of the povidone iodine soaked gelfoam at the external auditory canal in recalcitrant otomycosis is an effective and well-tolerated treatment. PMID- 29223644 TI - Functional significance of O-GlcNAc modification in regulating neuronal properties. AB - Post-translational modifications (PTMs) covalently modify proteins and diversify protein functions. Along with protein phosphorylation, another common PTM is the addition of O-linked beta-N-acetylglucosamine (O-GlcNAc) to serine and/or threonine residues. O-GlcNAc modification is similar to phosphorylation in that it occurs to serine and threonine residues and cycles on and off with a similar time scale. However, a striking difference is that the addition and removal of the O-GlcNAc moiety on all substrates are mediated by the two enzymes regardless of proteins, O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA), respectively. O GlcNAcylation can interact or potentially compete with phosphorylation on serine and threonine residues, and thus serves as an important molecular mechanism to modulate protein functions and activation. However, it has been challenging to address the role of O-GlcNAc modification in regulating protein functions at the molecular level due to the lack of convenient tools to determine the sites and degrees of O-GlcNAcylation. Studies in this field have only begun to expand significantly thanks to the recent advances in detection and manipulation methods such as quantitative proteomics and highly selective small-molecule inhibitors for OGT and OGA. Interestingly, multiple brain regions, especially hippocampus, express high levels of both OGT and OGA, and a number of neuron-specific proteins have been reported to undergo O-GlcNAcylation. This review aims to discuss the recent updates concerning the impacts of O-GlcNAc modification on neuronal functions at multiple levels ranging from intrinsic neuronal properties to synaptic plasticity and animal behaviors. PMID- 29223645 TI - Amino acid supplements in critically ill patients. AB - Observational studies have associated a low amino acid intake with adverse outcome of critical illness. Although this finding could theoretically be explained by differences in feeding tolerance related to illness severity, guidelines have recommended to administer sufficient amounts of amino acids from early onwards in the disease course. Recently, however, several high quality randomized controlled trials have not shown benefit by early amino acid supplementation and some trials even found potential harm, thus questioning this recommendation. These negative results could be related to amino acid-induced suppression of autophagy, to the inability to suppress bulk catabolism by exogenous amino acids, or to the administration of an amino acid mixture with an inappropriate composition. Currently, there is no evidence supporting administration of individual amino acid supplements during critical illness and glutamine administration may be harmful. The optimal timing, dose and composition of the amino acid mixture for critically ill patients remain unclear. PMID- 29223646 TI - Exploring the effects of DPP-4 inhibitors on the kidney from the bench to clinical trials. AB - Dipeptidyl-peptidase-4 (DPP-4) inhibitors are a relatively new class of non insulin glucose-lowering agents, belonging to the incretin family, which are able to improve glycemic control with a favorable safety profile, since they are associated with a low risk of hypoglycemia, no weight gain, and good tolerability in patients with chronic renal failure. Some experimental and clinical studies suggest that these drugs may exert significant pleiotropic effects, in particular on chronic kidney disease (CKD) progression, but data from clinical trials are still controversial. In an effort to clarify the effects of DPP-4 inhibitors (DPP 4is) on diabetes-related renal damage, we performed a narrative review of available clinical trials and other experimental studies focusing on renal effects of DPP-4is. Currently, there is no conclusive evidence proving the usefulness of this drug class for improving diabetes-related renal damage. However, our literature review suggests that DPP-4is are safe and well tolerated in type 2 diabetes mellitus (T2DM) patients with CKD. More importantly, results from the reviewed studies indicate that DPP-4 inhibitor therapy may improve two major risk factors for diabetic nephropathy, such as hyperglycemia and albuminuria, resulting in potential renal benefits beyond glycemic control. Despite several limitations, the conclusions of our review corroborate previous evidence on the potential renal benefits of DPP-4is, highlighting the urgent need of future trials adequately powered and designed on hard renal outcomes to ascertain (or contradict) the therapeutic benefit of DPP-4is in T2DM and CKD patients. PMID- 29223647 TI - TAT-conjugated chitosan cationic micelle for nuclear-targeted drug and gene co delivery. AB - We developed a high-efficiency nucleus-targeted co-delivery vector that delivers genes and drugs directly into the nucleus of cancer cells. The system is based on grafted poly-(N-3-carbobenzyloxy-lysine) (CPCL) with transactivator of transcription (TAT)- chitosan on the surface. It is designed to perform highly efficient nucleus- targeted gene and drug co-delivery. Confocal laser scanning microscopy (CLSM) revealed that more TAT-CPCL entered the nucleus than does CPCL alone. The TAT-modified vector serves as a gene and drug co-delivery mechanism to achieve high gene transfection efficiency, high apoptosis and low viability in HeLa cells. TAT-CPCL may become a vector for cancer gene treatment and a template for designing better co-deliver systems. PMID- 29223648 TI - Antimicrobial eugenol-loaded electrospun membranes of poly(epsilon caprolactone)/gelatin incorporated with REDV for vascular graft applications. AB - Confronted with the risk of stenosis and bacterial infection, vascular grafts are necessarily required with rapid endothelialization and antibacterial activity. In this work, dual-functional electrospun membranes of poly(epsilon-caprolactone) (PCL)/gelatin were developed. A short active peptide, REDV, was covalently conjugated with a low molecular weight PCL to obtain REDV-PCL-REDV, which was introduced into the electrospun fibers to improve the adhesion and proliferation of vascular endothelial cells (VECs) on the electrospun membranes. Additionally, a plant-extracted antibacterial agent, eugenol, was loaded for the antibacterial purpose. Results suggested that the electrospun membranes demonstrated acceptable mechanical properties and release profiles. The electrospun membrane containing 30% of eugenol could inhibit Escherichia coli and Staphylococcus aureus with 71.6+/-3.3% and 78.6+/-2.5% of growth inhibition rates, respectively. Further results showed all the electrospun membranes exhibited lower cytotoxicity towards L929 fibroblasts with more than 80% of relative cell viability. The VEC culture assays indicated that the REDV-modified electrospun membranes by the incorporation of REDV-PCL-REDV could significantly promote VEC adhesion and proliferation. Therefore, the dual-functional electrospun membranes with endothelialization and antibacterial abilities by incorporating REDV and eugenol could be potentially applied as promising vascular grafts. PMID- 29223649 TI - Novel liposome-based and in situ gelling artificial tear formulation for dry eye disease treatment. AB - PURPOSE: Artificial tears are widely used in the treatment of dry eye disease, although current formulations do not closely resemble natural tears. The purpose of this study was the design and characterization of a novel in situ gelling artificial tear formulation, containing both lipid and aqueous components, in order to resemble natural tears and replenish the tear film. METHODS: Liposomes, containing phosphatidylcholine, cholesterol, vitamins A and E, were prepared by the thin-film hydration method. The aqueous phase of the formulation was comprised of gellan gum, hydroxypropyl methylcellulose, levocarnitine, electrolytes (sodium chloride and potassium chloride), trehalose, and borates. The artificial tear was characterized in terms of liposome size, pH, surface tension, and viscosity. In vitro tolerance studies were performed in a human epithelial carcinoma cell line (HeLa) and a murine macrophage cell line (J774). In vivo tolerance was assessed in rabbits. RESULTS: Liposomes presented a unimodal distribution with a mean size of 200.1 +/- 4.4 nm. The resulting surface tension was 53.4 +/- 1.1 mN/m (at 33 degrees C) and the pH was 7.6 +/- 0.1. The viscosity of the formulation presented a mean value of 4.0 +/- 0.1 mPa s within the shear rate interval of 200-1000 s-1 at 33 degrees C. Cell viability remained higher than 90% in both cell lines. No discomfort or clinical signs were observed in rabbits. CONCLUSIONS: The liposome-based and in situ gelling artificial tear formulation presented good tolerance and suitable properties for topical ophthalmic administration. It may be beneficial in the treatment of dry eye disease. PMID- 29223650 TI - Dry eye following cataract surgery: The effect of light exposure using an in vitro model. AB - PURPOSE: Cataract surgery can lead to the temporary development or worsening of dry eye symptoms. Contributing factors may include corneal incisions, agents used before, during or after surgery, light from the operating microscope, disruption of ocular surface tissues and inflammatory processes. The purpose of this study was to observe the effect of light exposure on conjunctival fibroblasts in order to determine whether light has an effect on wound healing closure, assuming that operating microscopes might have an effect on the ocular surface. METHOD: An in vitro scratch assay was performed on porcine conjunctival fibroblasts. Ten minutes of light exposure from a light microscope with a halogen bulb was performed after the scratch assay. Fibroblasts were kept in culture for 48 hours post-exposure and the wound closure rates were visualized by live/dead staining. The fibroblasts which were exposed to light were compared to those without light exposure. Cell viability was also analysed by MTT assay. RESULTS: A Slower wound closure rate was found when fibroblasts were exposed to light compared to the non light exposed controls. Cell viability reduced by 20% with light exposure compared to controls in p3 cells (p = 0.04; however, the trend was not observed with p4 and p5 cells (p > 0.05). CONCLUSIONS: These results suggest that light exposure might be one of the possible contributory factors for dry eye after ophthalmic surgery. Further evaluation of light effects should be carried out with different ocular surface cells. PMID- 29223651 TI - Effects of the rigid gas permeable contact lense use on tear and ocular surface among keratoconus patients. AB - PURPOSE: To investigate changes in tear and ocular surface of patients with keratoconus using rigid gas permeable contact lenses (RGPCL) and compare them against keratoconus patients who were not using lenses as well as a control group of healthy subjects. METHODS: 24 keratoconus patients using RGPCL (Group 1) 22 patients who were not using lenses (Group 3) and 21 healthy subjects (Group 3) were included in the study. Subjective complaints about the subjects' eyes have been investigated using the ocular-surface disease index (OSDI). After the control of best-corrected visual acuity, anterior chamber and fundus examinations were performed. RESULTS: Schirmer (p-value=0.01) and tear break up mean comparison tests (p-value=0.002) revealed significant differences across different groups but tear osmolarity analysis did not (p-value >0.05). Oxford and OSDI scores were compatible with Schirmer and tear break up test comparisons. (for both p-value=0.001) Moreover, no statistical differences were seen in impression cytology measures between groups. (p-value >0.05) CONCLUSIONS: The erosion in the tear film stability is in line with the erosion in the ocular surface epithelium. Taking into account the statistical indifference between the impression cytology measures across groups, the break up time differences may be attributed to the collagen destruction in tear. PMID- 29223652 TI - No effect of fampridine on real-life physical activity in people with multiple sclerosis. PMID- 29223653 TI - Heart rate recovery of individuals undergoing cardiac rehabilitation after acute coronary syndrome. AB - BACKGROUND: An efficient cardiac rehabilitation programme (CRP) can improve the functional ability of patients after acute coronary syndrome (ACS). OBJECTIVE: To examine the effect of a CRP on parasympathetic reactivation and heart rate recovery (HRR) measured after a 6-min walk test (6MWT), and correlation with 6MWT distance and well-being after ACS. METHODS: Eleven normoweight patients after ACS (BMI<25kg/m2; 10 males; mean [SD] age 61 [9] years) underwent an 8-week CRP. Before (pre-) and at weeks 4 (W4) and 8 (W8) during the CRP, they performed a 6MWT on a treadmill, followed by 10-min of seated passive recovery, with HRR and HR variability (HRV) recordings. HRR was measured at 1, 3, 5 and 10min after the 6MWT (HRR1, HRR3, HRR5, HRR10), then modelized by a mono-exponential function. Time-domain (square root of the mean of the sum of the squares of differences between adjacent normal R-R intervals [RMSSD]) and frequency-domain (with high- and low-frequency band powers) were used to analyse HRV. Participants completed a mental and physical well-being questionnaire at pre- and W8. Exhaustion after tests was assessed by the Borg scale. Pearson correlation was used to assess correlations. RESULTS: HRR3, HRR5 and HRR10 increased by 37%, 36% and 28%, respectively, between pre- and W8 (P<0.05), and were positively correlated with change in 6MWT distance (r=0.58, 0.66 and 0.76; P<0.05). Percentage change in HRR3 was positively correlated with change in well-being (r=0.70; P=0.01). Parasympathic reactivation (RMSSD) was improved only during the first 30sec of recovery (P=0.04). CONCLUSION: Among patients undergoing a CRP after ACS, increased HRR after a 6MWT, especially at 3min, was positively correlated with 6MWT distance and improved well-being. HRR raw data seem more sensitive than post exercise HRV analysis for monitoring functional and autonomic improvement after ACS. PMID- 29223654 TI - Formulation, physical, in vitro and ex vivo evaluation of nanomedicine-based chemosterilant for non-surgical castration of male animals. AB - The overpopulation of free-roaming companion animals has become the global crisis. The development and application of a suitable, effective, non-surgical approach for animal sterilization would have an enormous advantage over the current surgical method. The main purpose of this study was to develop and evaluate a novel nanomedicine-based chemosterilant for non-surgical castration of male companion animals. In this study, we first sought to investigate the testicular toxicity of different apoptosis-inducing agents. We next synthesized and characterized nano-sized particles which encapsulated the most potent testicular toxicants and evaluated in vitro sterilant properties. Our result showed that doxorubicin exhibited the highest cytotoxic activity against mouse spermatogenic cells. We therefore synthesized and characterized doxorubicin encapsulated nanoemulsion. The negatively charged particle of doxorubicin encapsulated nanoemulsion exhibited the anti-proliferative activity towards spermatogetic cells. Apoptosis studies revealed activation of Caspases 3 and 7 as well as annexin V expression. In addition, doxorubicin-encapsulated nanoemulsion exhibited anti-inflammatory activity in lipopolysaccharide-stimulated macrophages. Cell death was observed following treatment of isolated and cultured rat seminiferous tubules with doxorubicin-encapsulated nanoemulsion. In conclusion, nanoemulsion can be a potential carrier for prolonged release and to enhance activity of doxorubicin that may have utility in non-surgical castration of male animals. PMID- 29223655 TI - In vitro cultured bovine endometrial cells recognize embryonic sex. AB - Endometrial cell co-culture (ECC) with single embryo may reflect endometrium responses in vivo. Bovine Day-6 in vitro-produced morulae were cultured until Day 8 in modified synthetic oviductal fluid (mSOF), or on the epithelial side of ECC. Expression of epithelial- and stromal-cell transcripts was analyzed by RT-PCR in ECC with one male (ME) or female embryo (FE). Concentrations of ARTEMIN (ARTN) and total protein were determined in epithelial cell-conditioned medium. ECCs yielded embryos with more cells in the inner cell mass than embryos cultured in mSOF. Embryos altered transcript expression only in epithelial cells, not in stromal ones. Thus, ME induced larger reductions than FE and controls (i.e., no embryos cultured) in hexose transporter solute carrier family 2 member 1 (SLC2A1) and member 5 (SLC2A5), connective tissue growth factor (CTGF), artemin (ARTN), and interferon alpha and beta receptors subunit IFNAR1 and IFNAR2. FE reduced SLC2A1 and SLC2A5, and increased ARTN expression with respect to controls. ME tended to reduce total protein concentration (P < 0.082) in ECC-conditioned medium, while ARTN protein and gene expressions strongly correlated (R > 0.90; P < 0.05) in the group of ME or FE, but not in controls (without embryo). Isolated male and female embryos may differentially release signaling factors that induce sexually dimorphic responses in endometrial cells. PMID- 29223656 TI - Endometrial expression of estrogen and progesterone receptors in non-cyclic mares treated only with long-acting progesterone. AB - Administration of progesterone (P4) after estradiol is usually performed to prepare non-cyclic mares as embryo recipients. However, there are successful pregnancy reports after embryo transfer in non-cyclic mares treated only with progestins. The objective of this study was to evaluate endometrial gene expression and immunostaining for estrogen receptor alpha (ERalpha), beta (ERbeta) and progesterone receptor (PR) in seasonal anestrous mares treated with long acting P4 (LA P4). Endometrial tissue from eight seasonal anestrous mares was collected immediately before administration of 1.5 g of LA P4 and five days after. The receptors protein expression was evaluated by immunohistochemistry and the percentage of the immunostained area was determined by ImageJ software. Transcripts abundance for ERalpha, ERbeta and PR were determined by RT-qPCR. Blood samples were collected daily to measure plasma P4 concentrations. Protein expression for ERalpha was greater (p < 0.05) after LA P4 administration, although gene expression was not affected by treatment (p > 0.05). There was no difference for ERbeta protein expression (p = 0.07) and ERbeta gene expression was reduced (p < 0.05) after treatment. Gene and protein expression for PR was not altered (p > 0.05). In conclusion, endometrial PR and ERalpha expression patterns after LA P4 administration were similar to those previously found in protocols using estradiol prior to LA P4 to prepare non-cyclic mares as embryo recipients. PMID- 29223657 TI - The "evolutionary field" hypothesis. Non-Mendelian transgenerational inheritance mediates diversification and evolution. AB - Epigenetics is increasingly regarded as a potential contributing factor to evolution. Building on apparently unrelated results, here I propose that RNA containing nanovesicles, predominantly small regulatory RNAs, are released from somatic tissues in the bloodstream, cross the Weismann barrier, reach the epididymis, and are eventually taken up by spermatozoa; henceforth the information is delivered to oocytes at fertilization. In the model, a LINE-1 encoded reverse transcriptase activity, present in spermatozoa and early embryos, plays a key role in amplifying and propagating these RNAs as extrachromosomal structures. It may be conceived that, over generations, the cumulative effects of sperm-delivered RNAs would cross a critical threshold and overcome the buffering capacity of embryos. As a whole, the process can promote the generation of an information-containing platform that drives the reshaping of the embryonic epigenetic landscape with the potential to generate ontogenic changes and redirect the evolutionary trajectory. Over time, evolutionary significant, stably acquired variations could be generated through the process. The interplay between these elements defines the concept of "evolutionary field", a self-consistent, comprehensive information-containing platform and a source of discontinuous evolutionary novelty. PMID- 29223658 TI - Can technology really help to reduce underage drinking? New evidence on the effects of false ID laws with scanner provisions. AB - In Volume 36 of this journal, Yoruk (2014) uses data from the National Longitudinal Survey of Youth 1997 and finds that false ID laws with scanner provisions have large impacts on binge drinking participation, frequency of alcohol consumption and binge drinking frequency among minors. This paper reexamines how false ID laws with scanner provisions affect underage drinking. I first demonstrate that analyses based on NLSY97 data fail falsification exercises testing for significant pre-intervention effects, and that the estimated effects based on these data are highly sensitive to the inclusion of a lead term and to sample selection, which weakens confidence in the large estimated effects reported in Yoruk (2014). I then use data from the Youth Risk Behavior Surveillance System to show that false ID laws with scanner provisions have no effect on underage drinking behavior. PMID- 29223659 TI - Complications in the treatment of mandibular condylar fractures: Surgical versus conservative treatment. AB - OBJECTIVES: In the present article, we aim to review the main intra- and post operative complications associated with two different therapeutic approaches for treating mandibular condylar fractures: conservative (CTR) and surgical treatment (ORIF, Open Reduction and Internal Fixation). MATERIAL AND METHODS: We have carried out a retrospective, meta-analytic, observational study using literature review, covering the period between 2000- September 2017. The data obtained were processed using statistical software SPSS v.0.18 and R v.2.11.1. The chi-squared test was used for comparison of relative frequencies for independent samples. RESULTS: A total of 2458 patients with 2810 fractures were collected for study. Patients treated with CTR and ORIF were an average of 29 years old, of those treated with CTR, 72.37% and 27.63% were male or female respectively and, of those treated with ORIF, 70.36% and 29.64% were male or female respectively. The main complications suffered by CTR and ORIF patients were: asymmetry (10.2%/6.4%), residual pain (6.5%/5.6%), temporomandibular joint and articular imbalance (15.9%/10.3%) and malocclusion (11.1%/4.0%), respectively. We only found significant differences between CTR and ORIF in the number of cases of temporomandibular joint and articular imbalance and malocclusion. Facial nerve damage was found exclusively among ORIF patients (8.6%) of which 8.3% were temporary and 0.3% permanent. CONCLUSIONS: The complications associated with either technique are minimal and infrequent, resulting in successful outcomes with minimal morbidity. CTR are associated with complications deriving from delayed mobilization leading to functional limitation, whereas the main complication associated with ORIF treatment was facial nerve damage. PMID- 29223660 TI - Developing nursing and midwifery students' capacity for coping with bullying and aggression in clinical settings: Students' evaluation of a learning resource. AB - An innovative blended learning resource for undergraduate nursing and midwifery students was developed in a large urban Australian university, following a number of concerning reports by students on their experiences of bullying and aggression in clinical settings. The blended learning resource included interactive online learning modules, comprising film clips of realistic clinical scenarios, related readings, and reflective questions, followed by in-class role-play practice of effective responses to bullying and aggression. On completion of the blended learning resource 210 participants completed an anonymous survey (65.2% response rate). Qualitative data was collected and a thematic analysis of the participants' responses revealed the following themes: 'Engaging with the blended learning resource'; 'Responding to bullying' and 'Responding to aggression'. We assert that developing nursing and midwifery students' capacity to effectively respond to aggression and bullying, using a self-paced blended learning resource, provides a solution to managing some of the demands of the clinical setting. The blended learning resource, whereby nursing and midwifery students were introduced to realistic portrayals of bullying and aggression in clinical settings, developed their repertoire of effective responding and coping skills for use in their professional practice. PMID- 29223661 TI - [Is cancer incidence different between type 2 diabetes patients compared to non diabetics in hemodialysis? A study from the REIN registry]. AB - BACKGROUND AND OBJECTIVES: In France, diabetes mellitus is now the second cause of end stage renal disease. In a large previous French national study, we observed that dialyzed diabetics have a significant lower risk of death by cancer. This first study was focused on cancer death but did not investigate cancer incidence. In this context, the aim of this second study was to compare the incidence of cancer in diabetic dialyzed patients compared to non-diabetic dialyzed patients in a French region. METHODS: This epidemiologic multicentric study included 588 diabetic and non-diabetic patients starting hemodialysis between 2002 and 2007 in Bretagne. Data were issued from REIN registry and cancer incidence were individually collected from medical records. Diabetics and non diabetics were matched one by one on age, sex and year of dialysis initiation. RESULTS: During the follow-up, we observed 28 cancers (9.4%) in diabetic patients and 26 cancers (8.9%) in non-diabetics patients. The cumulative incidence to develop a cancer 2 years after the dialysis start was approximately 6% in both diabetics and non-diabetics patients. In univariate Fine and Gray analysis, BMI, hemoglobin, statin use had P-value<0.2. However, in the adjusted model, these variables were not significantly associated with cancer incidence. CONCLUSION: This study lead on a little number of dialyzed patients did not show any significant difference on cancer incidence between diabetic and non-diabetic patients after hemodialysis start. PMID- 29223662 TI - [Discrepancies (and confluences) in perception between patients and nephrologists of chronic kidney disease impact on vital impetus in adults not undergoing hemodialysis: Results of the French MAEVA study]. AB - RATIONALE: The impact of chronic kidney disease (CKD) on vital impetus is poorly documented in patients not undergoing renal dialysis and discrepancies can be observed between patients and physicians in perception of QoL and impact of the disease. METHODS: A self-questionnaire was sent to 1282 French nephrologists and a mirrored self-questionnaire was given to patients (CKD stage 3, 4 or 5) by their nephrologist. Data were collected prospectively and anonymously. RESULTS: A total of 261 nephrologists and 172 patients participated in the survey. Sixty-six percent of patients reported a negative impact of the disease on their quality of life, which is also identified by nephrologists: important impact 22% vs 27%, mild or inconstant 44% vs 47%, mild or absent 34% vs 31% in patients and nephrologists, respectively. They had different perceptions about factors contributing to vital force; in particular, nephrologists underestimated their key role in psychological support. Indeed, the optimism and encouragements of nephrologists were considered to be a key factor of vital force for 60% of patients vs 20% of nephrologists (P<0,001). During consultations, nephrologists were primarily focused on biological abnormalities and adherence to treatment while mood or sexual disorders were rarely investigated. The main objective of treatment was to maintain a normal life for patients and to delay dialysis for nephrologists. CONCLUSION: Nephrologists have a relative knowledge of CKD impact on the vital impetus of patients, but there are differences of perception. It could be improved through specific trainings. PMID- 29223663 TI - Patch esophagoplasty using an in-body-tissue-engineered collagenous connective tissue membrane. AB - AIM: Although many approaches to esophageal replacement have been investigated, these efforts have thus far only met limited success. In-body-tissue-engineered connective tissue tubes have been reported to be effective as vascular replacement grafts. The aim of this study was to investigate the usefulness of an In-body-tissue-engineered collagenous connective tissue membrane, "Biosheet", as a novel esophageal scaffold in a beagle model. METHODS: We prepared Biosheets by embedding specially designed molds into subcutaneous pouches in beagles. After 1 2months, the molds, which were filled with ingrown connective tissues, were harvested. Rectangular-shaped Biosheets (10*20mm) were then implanted to replace defects of the same size that had been created in the cervical esophagus of the beagle. An endoscopic evaluation was performed at 4 and 12weeks after implantation. The esophagus was harvested and subjected to a histological evaluation at 4 (n=2) and 12weeks (n=2) after implantation. The animal study protocols were approved by the National Cerebral and Cardiovascular Centre Research Institute Committee (No. 16048). RESULTS: The Biosheets showed sufficient strength and flexibility to replace the esophagus defect. All animals survived with full oral feeding during the study period. No anastomotic leakage was observed. An endoscopic study at 4 and 12weeks after implantation revealed that the anastomotic sites and the internal surface of the Biosheets were smooth, without stenosis. A histological analysis at 4weeks after implantation demonstrated that stratified squamous epithelium was regenerated on the internal surface of the Biosheets. A histological analysis at 12weeks after implantation showed the regeneration of muscle tissue in the implanted Biosheets. CONCLUSION: The long-term results of patch esophagoplasty using Biosheets showed regeneration of stratified squamous epithelium and muscular tissues in the implanted sheets. These results suggest that Biosheets may be useful as a novel esophageal scaffold. PMID- 29223664 TI - Summary of the British Association of Paediatric Surgeons 64th Annual Congress. AB - : This is a review of the joint 64th British Association of Paediatric Surgeons (BAPS) and 26th International Pediatric Endosurgery Group (IPEG) Annual Conference, which was held in July 2017, in London, UK. More than 200 papers were presented either orally or as posters in the BAPS section, and it was the largest paediatric surgical conference in Europe in 2017. The congress issue contains papers and posters presented during the open sessions and transcripts based on invited lectures. LEVEL OF EVIDENCE: IV. PMID- 29223665 TI - Guidelines and checklists for short-term missions in global pediatric surgery: Recommendations from the American Academy of Pediatrics Delivery of Surgical Care Global Health Subcommittee, American Pediatric Surgical Association Global Pediatric Surgery Committee, Society for Pediatric Anesthesia Committee on International Education and Service, and American Pediatric Surgical Nurses Association, Inc. Global Health Special Interest Group. AB - INTRODUCTION: Pediatric surgeons, anesthesia providers, and nurses from North America and other high-income countries (HICs) are increasingly engaged in resource-limited areas, with short-term missions (STMs) as the most common form of involvement. However, consensus recommendations currently do not exist for STMs in pediatric general surgery and associated perioperative care. METHODS: The American Academy of Pediatrics (AAP) Delivery of Surgical Care Subcommittee and American Pediatric Surgical Association (APSA) Global Pediatric Surgery Committee, with the American Pediatric Surgical Nurses Association, Inc. (APSNA) Global Health Special Interest Group, and the Society for Pediatric Anesthesia (SPA) Committee on International Education and Service generated consensus recommendations for STMs based on extensive experience with STMs. RESULTS: Three distinct, but related areas were identified: 1) Broad goals of surgical partnerships between HICs- and low and middle-income countries (LMICs). A previous set of guidelines published by the Global Paediatric Surgery Network Collaborative (GPSN), was endorsed by all groups; 2) Guidelines for the conduct of STMs were developed, including planning, in-country perioperative patient care, post-trip follow-up, and sustainability; 3) travel and safety considerations critical to STM success were enumerated. CONCLUSION: A diverse group of stakeholders developed these guidelines for STMs in LMICs. These guidelines may be a useful tool to ensure safe, responsible, and ethical STMs given increasing engagement of HIC providers in this work. LEVEL OF EVIDENCE: 5. PMID- 29223666 TI - Laparoscopic versus open appendectomy in children: a randomized controlled trial from a developing country. AB - BACKGROUND: Acute appendicitis is a common surgical emergency. This study was conducted to compare the outcome in terms of duration of surgery, length of hospital stay, and wound infection rate following laparoscopic versus open appendectomy in children with acute appendicitis. METHODS: A prospective randomized controlled trial was conducted. Patients with the diagnosis of acute appendicitis were randomly assigned to Group A: Laparoscopic appendectomy (LA) and Group B: Open appendectomy (OA). Age and sex of patients, signs, and symptoms were noted. Duration of surgery, length of hospital stay (LOS), and postoperative wound infection were recorded. RESULTS: A total of 126 patients were operated, with 63 in each group. Mean age of the patients was 9.7+/-2.1years in LA group and 9.8+/-2.3years in OA group. In LA group, inflamed appendix was found in 68% patients, perforated in 17%, gangrenous in 9%, and suppurative in 5%. In OA group, inflamed appendix was found in 60% patients, perforated in 22%, gangrenous in 5%, and suppurative in 13%. The mean duration of operation was 56+/-24min in LA group and 39+/-8min in OA group (p<0.0001 in favor of OA group). The mean length of hospital stay was 34+/-13h in LA group and 40+/-11h in OA group (p=0.01 in favor of LA group). The results showed no significant association of wound infection between the two groups (p=0.31). CONCLUSION: There was no difference in terms of LOS and rate of wound infection among the groups. However, the laparoscopic procedure was technically demanding. LEVEL OF EVIDENCE: Level I Randomized Controlled Trial. PMID- 29223667 TI - Selective versus routine patch metal allergy testing to select bar material for the Nuss procedure in 932 patients over 10years. AB - AIM OF THE STUDY: The aim of the study was to determine the role of patch metal allergy testing to select bar material for the Nuss procedure. METHODS: An IRB approved (11-04-WC-0098) single institution retrospective, cohort study comparing selective versus routine patch metal allergy testing to select stainless steel or titanium bars for Nuss repair was performed. In Cohort A (9/2004-1/2011), selective patch testing was performed based on clinical risk factors. In Cohort B (2/2011-9/2014), all patients were patch tested. The cohorts were compared for incidence of bar allergy and resultant premature bar loss. Risk factors for stainless steel allergy or positive patch test were evaluated. MAIN RESULTS: Cohort A had 628 patients with 63 (10.0%) selected for patch testing, while all 304 patients in Cohort B were tested. Over 10years, 15 (1.8%) of the 842 stainless steel Nuss repairs resulted in a bar allergy, and 5 had a negative preoperative patch test. The incidence of stainless steel bar allergy (1.8% vs 1.7%, p=0.57) and resultant bar loss (0.5% vs 1.3%, p=0.23) was not statistically different between cohorts. An allergic reaction to a stainless steel bar or a positive patch test was more common in females (OR=2.3, p<0.001) and patients with a personal (OR=24.8, p<0.001) or family history (OR=3.1, p<0.001) of metal sensitivity. CONCLUSION: Stainless steel bar allergies occur at a low incidence with either routine or selective patch metal allergy testing. If selective testing is performed, it is advisable in females and patients with a personal or family history of metal sensitivity. A negative preoperative patch metal allergy test does not preclude the possibility of a postoperative stainless steel bar allergy. LEVEL OF EVIDENCE: Level III Treatment Study and Study of Diagnostic Test. PMID- 29223668 TI - Transumbilical extracorporeal laparoscopic-assisted appendectomy. AB - AIM OF THE STUDY: The perfect balance between safety, cosmesis, and cost effectiveness in a world with ever growing healthcare costs has yet to be found for nonperforated appendicitis. The aim is to present our data regarding safety and cost effectiveness of the transumbilical extracorporeal laparoscopic-assisted appendectomy technique. METHODS: A retrospective review was performed for all laparoscopic appendectomies for acute appendicitis from October 2014 to October 2016. All cases of perforated appendicitis were excluded (visible hole/abscess/free pus). Included cases were divided into two groups by operative technique: transumbilical (TU) or laparoscopic 3-port (L3P). Operating room charges were billed in 30-min intervals, and hospital charges billed per night in house. The technique was that the appendix is identified with the laparoscope, grabbed with a grasper that is inserted parallel to the laparoscope, and exteriorized through the umbilicus. The appendectomy is completed extracorporeally. RESULTS: A total of 494 cases of nonperforated appendicitis were included in the study. One surgeon attempted all cases with the TU technique (n=161), and all other surgeons used the L3P technique (n=333), which required an endostapler and a vascular sealing device. The TU technique was successful in 99 of the attempted cases. The mean operative time of the TU cases and the L3P cases was 21 (8-43) and 37 (12-73) min, respectively (P<0.001). The mean hospital stay for the TU and the L3P cases was 1.6 (1-5) days (one-night admission) and 2.4 (1 14) days (two-night admission), respectively (P<0.001). There were no operative complications or readmissions in either group. The overall cost of the L3P cases was 30% higher than the cost of the TU cases. CONCLUSION: The transumbilical extracorporeal laparoscopic-assisted technique was as safe as the laparoscopic 3 port technique. It offered all the advantages of a minimally invasive procedure, was associated with a significantly shorter hospital stay, and was remarkably more cost effective than the standard laparoscopic 3-port technique. LEVEL OF EVIDENCE: III. PMID- 29223669 TI - Experimental use of new absorbable tracheal stent. AB - BACKGROUND/PURPOSE: Silicone and metallic stents are not effective in children with tracheobronchial stenosis or tracheomalacia. Herein, we aimed to evaluate the clinical manifestations and histological reaction of rabbit trachea to the presence of a new poly(lactic-co-glycolic acid) with polyisoprene (PLGA/PI) polymer absorbable stent. METHODS: Fourteen adult white rabbits (weight, 3.0 3.5kg) were randomly assigned to three groups: Group I (n=6): PLGA/PI spiral stent; Group II (n=6): PLGA/PI fragment; and Group III (n=2): controls. After a longitudinal incision on three cervical tracheal rings, the stents and fragments were inserted into the trachea and fixed onto the lateral wall with nonabsorbable sutures. RESULTS: The stented group showed significantly more stridor at rest (p=0.0041), agitation (p=0.014), and use of accessory muscles (p=0.0002) and required more emergency endoscopies than the fragment group. Further, it showed significantly more remarkable histological inflammatory damage than the fragment and control groups (p=0.002). CONCLUSIONS: The new PLGA/PI polymeric stent implanted into the trachea of rabbits caused more clinical manifestations and histologically verified inflammatory reaction than the PLGA/PI polymeric fragment. Future studies should be aimed at reducing the stent-wall thickness. PMID- 29223671 TI - Reply to letter to the editor. PMID- 29223670 TI - Cystourethroscopy versus contrast studies in urogenital sinus and cloacal anomalies in children. AB - BACKGROUND: Cloacal malformation is a spectrum of diseases affecting females, resulting in abnormal confluence of the urinary system, genital system, and/or gastrointestinal system. Proper reconstruction depends mainly on accurate preoperative illustration of the abnormal anatomy. Among the various modalities to delineate the urogenital sinus and the distances to confluence, lies the radiological contrast study, as well as the preoperative diagnostic cystourethroscopy. AIM OF THE STUDY: The aim of this study was to compare the accuracy of the contrast study and diagnostic cystourethroscopy in the demonstration of the exact changes in anatomy resulting from urogenital sinus / cloacal abnormalities. METHODS: Sixteen girls with median age 21 (11-27) months were studied. They included 4 girls with complete cloacal anomalies and 12 girls with persistent urogenital sinus secondary to congenital adrenal hyperplasia (CAH). Contrast studies and diagnostic cystourethroscopy were applied to all cases. Accuracy of both methods in delineating the abnormal anatomy was evaluated by comparison against intraoperative findings. Data are presented as median (range) or %. RESULTS: Contrast studies accurately delineated the abnormal anatomy in 12 (75%), cases with 50% and 85% accuracy in cases of cloacal anomalies and persistent urogenital sinus, respectively. Cystourethroscopy was overall accurate in 15 cases (94%), with accuracy of 75% in cloacal anomalies and 100% in persistent urogenital sinus. CONCLUSION: Although the presented series is small, it suggests that cystourethroscopy is superior to contrast studies in preoperative illustration of the abnormal anatomy in cases of cloacal malformations. These findings warrant confirmation in larger series. TYPE OF STUDY: Diagnostic study. LEVEL OF EVIDENCE: II. PMID- 29223672 TI - Education and the pediatric surgeon. AB - : There have been many changes in the domain of clinical surgery over the last 2 decades, but probably none more so than in education. The British Association of Pediatric Surgeons recognizes the importance of this topic and has commissioned a special session on this subject jointly with the International Pediatric Endosurgery Group. Free papers presented on a number of educational subjects and specific topics of recruitment and simulation were covered in invited lectures. The session was completed with a keynote lecture from the renowned educationalist Professor Roger Kneebone. LEVEL OF EVIDENCE: 5 (Expert Opinion). PMID- 29223673 TI - Risk stratification in pediatric perforated appendicitis: Prospective correlation with outcomes and resource utilization. AB - PURPOSE: Despite a wide spectrum of severity, perforated appendicitis in children is typically considered a single entity in outcomes studies. We performed a prospective cohort study to define a risk stratification system that correlates with outcomes and resource utilization. METHODS: A prospective study was conducted of all children operated for perforated appendicitis between May 2015 and December 2016 at a tertiary free-standing university children's hospital. Surgical findings were classified into one of four grades of perforation: I. localized or contained perforation, II. Contained abscess with no generalized peritonitis, III. Generalized peritonitis with no dominant abscess, IV. Generalized peritonitis with one or more dominant abscesses. All patients were treated on a clinical pathway that involved all points of care from admission to final follow-up. Outcomes and resource utilization measures were analyzed using Fisher's exact test, Kruskal-Wallis test, One-way ANOVA, and logistic regression. RESULTS: During the study period, 122 patients completed treatment, and 100% had documented follow-up at a median of 25days after operation. Grades of perforation were: I, 20.5%; II, 37.7%; III, 10.7%; IV, 31.1%. Postoperative abscesses occurred in 12 (9.8%) of patients, almost exclusively in Grade IV perforations. Hospital stay, duration of antibiotics, TPN utilization, and the incidence of postoperative imaging significantly increased with increasing grade of perforation. CONCLUSION: Outcomes and resource utilization strongly correlate with increasing grade of perforated appendicitis. Postoperative abscesses, additional imaging, and additional invasive procedures occur disproportionately in patients who present with diffuse peritonitis and abscess formation. The current stratification allows risk-adjusted outcome reporting and appropriate assignment of resource burden. LEVEL OF EVIDENCE: I (Prognosis Study). PMID- 29223674 TI - Prediction of need for intervention in posterior urethral valves: Use of urine osmolality. AB - AIM: Renal tubular dysfunction (RTD) causing obligate production of hypoosmolar urine in boys with posterior urethral valves (PUVs) has been described. It is not known how clinically significant this is. We hypothesize that a feedback loop is present in many PUV boys who suffer deterioration of their lower urinary tract (LUT). RTD results in hypoosmolar urine, obligate polyuria, and bladder stretch injury. The increasing back-pressure worsens RTD, thus exacerbating the injury. Coexisting renal dysplasia and acquired renal scarring exacerbate this. We compared the concentrating ability (random clinic urine osmolality) of PUV boys who had no LUT deterioration to those who required intervention, examining the confounding effect of renal impairment with a subgroup analysis comparing those with plasma creatinine <=80MUmol/l. METHODS: A retrospective review of our PUV database was performed. Age, intervention, and highest recorded random clinic urine osmolality (>1year) with concurrent plasma creatinine were recorded (normal urine osmolality 500-850 mOsm/kg). Data are given as median values, analyzed by Mann-Whitney u-test, with P<0.05 deemed significant. MAIN RESULTS: Urine osmolality was available in 77 boys with PUV out of 125 in our series. Of these, 34 required subsequent intervention (e.g., Mitrofanoff procedure, bladder augmentation). Age at testing trended towards being higher in the intervention group [7.9 (4.3-10.9) years vs. nonintervention 6.3 (4-8.4); P=0.06]. Urine osmolality was significantly reduced in the intervention group [411(293-547) vs. 631 (441-805) mOsm/kg; P<0.001]. Subgroup analysis comparing only those with creatinine <=80MUmol/l was respectively 451 (322-567) mOsm/kg (n=22) vs. 645 (469 810) mOsm/kg (n=40), P<0.01. CONCLUSION: This study confirms that hypoosmolar urine is highly associated with progression of LUT dysfunction, requiring intervention. Even boys with normal creatinine values have a greater risk of LUT deterioration if they have a RTD and produce hypoosmolar urine. LEVEL OF EVIDENCE: IV (retrospective service development project). PMID- 29223675 TI - Long term outcome of the Bascom cleft lift procedure for adolescent pilonidal sinus. AB - PURPOSE: The purpose of this study was to assess whether adolescent patients who heal their pilonidal sinus disease with the Bascom cleft lift have a sustained result, or if younger age puts them at increased risk of relapse. METHODS: Twenty two consecutive patients (18 male, median age 16years at surgery) who underwent Bascom procedures were contacted regarding long term outcomes following surgery. Additional clinical data were collected from the medical records of the subjects. RESULTS: Seventeen of 22 (77%) patients studied were completely healed at median 27 (range 9-268) days after a single procedure. Three of 22 (14%) required a second procedure during follow up. Of these, all three healed fully after the second procedure. Based on intention to treat, 20 of 22 (91%) patients had complete healing documented at a median of 31days after initial surgery. Half of the patients were fully healed and back to normal activities by one month and 68% by two months. Two patients (9%) failed surgery and had ongoing pilonidal disease. Fifteen of 22 (68%) patients completed a follow-up survey at a median of 44months elapsed from surgery. All responders were fully healed, and none reported relapse or further surgeries. CONCLUSIONS: Excision of pilonidal sinus disease by the Bascom procedure resulted in lasting cure for most adolescent patients studied. A small proportion of patients failed to heal in the first year and had ongoing pilonidal disease. No late failures occurred. LEVEL OF EVIDENCE: Level III, nonexperimental observational study. PMID- 29223676 TI - Influenza vaccination and heart failure. A prioritary field of improvement. PMID- 29223677 TI - The hypothalamus-pituitary-gonad axis: Tales of mice and men. AB - Reproduction is controlled by the hypothalamic-pituitary-gonadal (HPG) axis. Gonadotropin-releasing hormone (GnRH) neurons play a central role in this axis through production of GnRH, which binds to a membrane receptor on pituitary gonadotrophs and stimulates the biosynthesis and secretion of follicle stimulating hormone (FSH) and luteinizing hormone (LH). Multiple factors affect GnRH neuron migration, GnRH gene expression, GnRH pulse generator, GnRH secretion, GnRH receptor expression, and gonadotropin synthesis and release. Among them anosmin is involved in the guidance of the GnRH neuron migration, and a loss-of-function mutation in its gene leads to a failure of their migration from the olfactory placode to the hypothalamus, with consequent anosmic hypogonadotropic hypogonadism (Kallmann syndrome). There are also cases of hypogonadotropic hypogonadim with normal sense of smell, due to mutations of other genes. Another protein, kisspeptin plays a crucial role in the regulation of GnRH pulse generator and the pubertal development. GnRH is the main hypothalamic regulator of the release of gonadotropins. Finally, FSH and LH are the essential hormonal regulators of testicular functions, acting through their receptors in Sertoli and Leydig cells, respectively. The main features of the male HPG axis will be described in this review. PMID- 29223679 TI - Striking a chord with healthy aging: memory system cooperation is related to preserved configural response learning in older adults. AB - Evidence from tasks that primarily tap either hippocampal- or striatal-based memory systems suggests that although these systems often compete for control of behavior, aging is associated with greater cooperation between them. This may stem from altered prefrontal cortex function. Here, we use a configural response task designed to engage both memory systems to test how age affects their interaction with cortical regions including the prefrontal cortex. We found that although older and younger adults learned just as well, older adults showed greater initial activation in cortical networks associated with visuospatial action mapping and resolving conflict for competing memory representations. Older adults also showed greater functional coupling of the striatum with the left inferior frontal gyrus, in parallel with similar hippocampal coupling to ventral visual regions as young adults. Overall, our results support the proposal that aging is associated with more cooperative memory systems, but we did not find that greater cooperation is associated with less interaction between the prefrontal cortex and core memory system structures during learning. PMID- 29223678 TI - Protein sparing therapies in acute illness and obesity: a review of George Blackburn's contributions to nutrition science. AB - Protein sparing therapies were developed to mitigate the harms associated with protein-calorie malnutrition and nitrogen losses induced by either acute illness or hypocaloric diets in patients with obesity. We review the development of protein sparing therapies in illness and obesity with a focus on the pioneering contributions of George Blackburn, MD, PhD. He recognized that protein-calorie malnutrition is a common and serious clinical condition and developed new approaches to its treatment in hospitalized patients. His work with stable isotopes and with animal models provided answers about the physiological nutritional requirements and metabolic changes across a spectrum of conditions with varying degrees of stress and catabolism. This led to improvements in enteral and parenteral nutrition for patients with acute illness. Blackburn also demonstrated that lean body mass can be preserved during weight loss with carefully designed very low calorie treatments which became known as the protein sparing modified fast (PSMF). We review the role of the PSMF as part of the comprehensive management of obesity. PMID- 29223680 TI - Dysregulation of C-X-C motif ligand 10 during aging and association with cognitive performance. AB - Chronic low-grade inflammation during aging (inflammaging) is associated with cognitive decline and neurodegeneration; however, the mechanisms underlying inflammaging are unclear. We studied a population (n = 361) of healthy young and old adults from the MyoAge cohort. Peripheral levels of C-X-C motif chemokine ligand 10 (CXCL10) was found to be higher in older adults, compared with young, and negatively associated with working memory performance. This coincided with an age-related reduction in blood DNA methylation at specific CpGs within the CXCL10 gene promoter. In vitro analysis supported the role of DNA methylation in regulating CXCL10 transcription. A polymorphism (rs56061981) that altered methylation at one of these CpG sites further associated with working memory performance in 2 independent aging cohorts. Studying prefrontal cortex samples, we found higher CXCL10 protein levels in those with Alzheimer's disease, compared with aged controls. These findings support the association of peripheral inflammation, as demonstrated by CXCL10, in aging and cognitive decline. We reveal age-related epigenetic and genetic factors which contribute to the dysregulation of CXCL10. PMID- 29223681 TI - Language processing in age-related macular degeneration associated with unique functional connectivity signatures in the right hemisphere. AB - Age-related macular degeneration (AMD) is a retinal disease associated with significant vision loss among older adults. Previous large-scale behavioral studies indicate that people with AMD are at increased risk of cognitive deficits in language processing, particularly in verbal fluency tasks. The neural underpinnings of any relationship between AMD and higher cognitive functions, such as language processing, remain unclear. This study aims to address this issue using independent component analysis of spontaneous brain activity at rest. In 2 components associated with visual processing, we observed weaker functional connectivity in the primary visual cortex and lateral occipital cortex in AMD patients compared with healthy controls, indicating that AMD might lead to differences in the neural representation of vision. In a component related to language processing, we found that increasing connectivity within the right inferior frontal gyrus was associated with better verbal fluency performance across all older adults, and the verbal fluency effect was greater in AMD patients than controls in both right inferior frontal gyrus and right posterior temporal regions. As the behavioral performance of our patients is as good as that of controls, these findings suggest that preservation of verbal fluency performance in AMD patients might be achieved through higher contribution from right hemisphere regions in bilateral language networks. If that is the case, there may be an opportunity to promote cognitive resilience among seniors with AMD or other forms of late-life vision loss. PMID- 29223683 TI - A method to combine target volume data from 3D and 4D planned thoracic radiotherapy patient cohorts for machine learning applications. AB - BACKGROUND AND PURPOSE: The gross tumour volume (GTV) is predictive of clinical outcome and consequently features in many machine-learned models. 4D-planning, however, has prompted substitution of the GTV with the internal gross target volume (iGTV). We present and validate a method to synthesise GTV data from the iGTV, allowing the combination of 3D and 4D planned patient cohorts for modelling. MATERIAL AND METHODS: Expert delineations in 40 non-small cell lung cancer patients were used to develop linear fit and erosion methods to synthesise the GTV volume and shape. Quality was assessed using Dice Similarity Coefficients (DSC) and closest point measurements; by calculating dosimetric features; and by assessing the quality of random forest models built on patient populations with and without synthetic GTVs. RESULTS: Volume estimates were within the magnitudes of inter-observer delineation variability. Shape comparisons produced mean DSCs of 0.8817 and 0.8584 for upper and lower lobe cases, respectively. A model trained on combined true and synthetic data performed significantly better than models trained on GTV alone, or combined GTV and iGTV data. CONCLUSIONS: Accurate synthesis of GTV size from the iGTV permits the combination of lung cancer patient cohorts, facilitating machine learning applications in thoracic radiotherapy. PMID- 29223684 TI - Thromboelastometry as guidance for blood management in patients undergoing cardiac surgery. AB - OBJECTIVE: Thromboelastometry is a viscoelastometric method for haemostasis testing in a whole blood sample. The aim of this study was to assess the results of using thromboelastometry as guidance for blood management in cardiac surgery, postoperative adverse events and ICU stay. MATERIAL AND METHOD: Analytical and comparative non-randomised quasi-experimental prospective study with a retrospective control group. The inclusion criteria for the 80 patients were: patients undergoing cardiac surgery who had had prior cardiac surgery, endocarditis surgery or aortic arch surgery. Thirty-one patients were treated following routine transfusion practice during surgery (group A). The other 49 patients were treated with thromboelastometrically guided transfusion algorithms (group B). The main objective was blood products transfused, and postoperative adverse events and ICU stay were the secondary objectives. RESULTS: Statistical analysis showed lower transfusion rates of fresh-frozen plasma in group B compared to group A (P<.001), as well as red blood cell transfusion during surgery with an average transfusion rate of 3.9 units in group A in comparison to 2.67 units in group B (P=.125). Moreover, fibrinogen infusion was increased in group B compared to group A (P=.019). In addition, a lower rate of respiratory adverse events was found in group B (P=.019). There was a significant decrease in ICU stays over 7 days in group B compared to group A (P=.031). CONCLUSIONS: Using thromboelastometry guidance for blood management led to a meaningful reduction of fresh frozen plasma transfusion during surgery. This probably resulted in a reduction in respiratory adverse events after surgery and length of ICU stay in our patients. PMID- 29223682 TI - Neocortical origin and progression of gray matter atrophy in nonamnestic Alzheimer's disease. AB - Amnestic Alzheimer's disease (AD) is characterized by early atrophy of the hippocampus and medial temporal lobes before spreading to the neocortex. In contrast, nonamnestic Alzheimer's patients have relative sparing of the hippocampus, but the pattern in which the disease spreads is unclear. We examined spreading disease in nonamnestic AD using a novel magnetic resonance imaging based analysis adapted from pathologic staging studies, applied here to cross sectional imaging data. We selected 240 T1-weighted scans from 129 patients with pathology confirmed by autopsy or cerebrospinal fluid, and atrophy maps were computed relative to 238 scans from 115 elderly controls. For each phenotype, the frequency of atrophy in 116 brain regions was used to infer the anatomical origin of disease and its progression across 4 phases of atrophy. Results from the amnestic cohort were used to determine appropriate parameter settings for the phase assignment algorithm, based on correspondence to Braak pathology staging. Phase 1 regions, which represent the origin of disease, included the hippocampus for the amnestic group (comprising 33 scans); left lateral temporal lobe for logopenic-variant primary progressive aphasia (88 scans); occipitoparietal cortex for posterior cortical atrophy (51 scans); temporoparietal cortex for corticobasal syndrome (31 scans); and frontotemporal cortex for behavioral/dysexecutive variant AD (37 scans). In nonamnestic patients, atrophy spread to other neocortical areas in later phases, but the hippocampus exhibited only late-phase atrophy in posterior cortical atrophy and corticobasal syndrome. Region-specific phase values were also associated with regional measures of tau, beta amyloid, neuronal loss, and gliosis for the subset of patients (n = 17) with neuropathology findings; this comparison represented a first validation of the phase assignment algorithm. We subsequently assigned a phase to each patient scan based on the similarity of regional atrophy patterns with atrophy predicted for the corresponding phenotype at each phase. Scan-specific phases were correlated with disease duration as well as global and domain-specific cognition, supporting these phase values as global estimates of patients' disease progression. Logistic regression models based on spatial overlap with model-predicted atrophy patterns reliably discriminated nonamnestic phenotypes from each other and from amnestic AD. The frequency-based phase assignment algorithm used in the present study thus represents a promising approach for studying the neocortical origin and spread of disease in nonamnestic AD. PMID- 29223685 TI - The effect of partners' education on women's reproductive and maternal health in developing countries. AB - The effect of partners' education on women's and children's health in developing countries has received relatively little attention to date. This study uses couple data from 37 recent Demographic and Health Surveys fielded in sub-Saharan African and Asian countries to assess the effect of partners' schooling on women's modern contraceptive use, frequency of antenatal care visits, and skilled birth attendance. Using multilevel logistic regressions, the study shows that partners' schooling has strong effects on their spouses' maternal healthcare utilization; especially when partners had secondary or higher levels of schooling. Overall, women whose partners had an above secondary level of education were 32% more likely to use modern contraceptives, 43% more likely to attend at least four antenatal care visits, and 55% more likely to deliver their most recent baby with a health professional, compared to women whose partner had no education, after controlling for individual and community-level covariates. Finally, interacting the partners' years of schooling, we found that an additional year of partners' schooling was 1) positively associated with modern contraceptive use when the women had low educational attainment (substitution effect), but negatively associated when women were better educated, 2) positively and increasingly associated with the frequency of antenatal care visits as women's education increased (multiplicative effect), and 3) positively and significantly associated with skilled birth attendance for less educated women (substitution effect). This study highlights the importance of male education in shaping their wife's health behaviours in developing countries and provides strong impetus for male education beyond primary level (as well as for women), something that has been neglected in past policy discourse. PMID- 29223686 TI - Nourishing networks: A social-ecological analysis of a network intervention for improving household nutrition in Western Kenya. AB - RATIONALE: A growing body of research emphasizes the need to engage social networks in maternal and child nutrition interventions. However, an understanding of how interventions functionally engage not only mothers but fathers, grandparents, friends, and other social network members remains limited. OBJECTIVE: This study uses an adaptation of a social-ecological model to analyze the multiple levels at which the Kanyakla Nutrition Program operates to change behavior. METHODS: This study analyzes focus group data (four groups; n = 35, 7 men and 28 women) following the implementation of the Kanyakla Nutrition Program, a novel nutrition intervention engaging social networks to increase nutrition knowledge, shift perceptions, and promote positive practices for infant and young child feeding and community nutrition in general. RESULTS: Participant perspectives indicate that the Kanyakla Nutrition Program contributed to nutrition knowledge and confidence, changed perceptions, and supported infant and child feeding practices at the individual, interpersonal, and institutional levels. However, many respondents report challenges in transcending barriers at the broader community and systems levels of influence, where environmental and economic constraints continue to affect food access. CONCLUSION: Analysis of the Kanyakla Nutrition Program suggests that for interventions addressing household level determinants of nutrition, simultaneously engaging the household's network of interpersonal and community relationships can play a role in building momentum and consensus to address persistent structural barriers to improved nutrition. PMID- 29223687 TI - Effect of control samples and listener attributes on speech naturalness ratings of people who stutter. AB - PURPOSE: Speech restructuring treatment can effectively reduce stuttering but the resultant speech may sound unnatural. Martin et al. (1984) speech naturalness scale is widely used by clinicians and researchers, yet little is known about whether including normally fluent speech samples alters the judgement of the naturalness of speech samples of people who stutter, and whether attributes of listeners - specifically training and sex - influence ratings. METHODS: In this study 20 untrained listeners (male and female) and 19 speech language pathology students (female only) rated either the naturalness of 21 speech samples from adults who stutter obtained post-treatment, or the same 21 post-treatment samples randomly mixed with samples of 21 samples from normally fluent speakers matched for age and sex. The independent variables were sample composition (addition of fluent controls) and listener training. The dependent variable was listener naturalness rating. RESULTS: A two-factor ANOVA with listener training and sample composition as independent variables and naturalness ratings as the dependent variable was performed. Untrained listeners rated samples as significantly less natural than trained listeners. The addition of control samples did not significantly impact scores assigned to post-treatment samples. A comparison of male and female listeners was completed using the Mann Whitney U Test. A significant group difference was observed with female listeners rating the samples more leniently (more natural) than male listeners. CONCLUSION: Based on this preliminary research, the addition of controls does not appear necessary in evaluating speech naturalness, however the composition of the listener group may affect results. PMID- 29223688 TI - Comparison of color flow with standard ultrasound for the detection of endotracheal intubation. AB - INTRODUCTION: Intubation is a frequently performed procedure in emergency medicine that is associated with significant morbidity and mortality when unrecognized esophageal intubation occurs. However, it may be difficult to visualize the endotracheal tube (ETT) in some patients. This study assessed whether the addition of color Doppler was able to improve the ability to visualize the ETT location. METHODS: This study was performed in a cadaver lab using three different cadavers chosen to represent varying neck circumference. Cadavers were randomized to tracheal or esophageal intubation. Blinded sonographers then assessed the location of the ETT using either grayscale or color Doppler imaging. Accuracy of sonographer identification of ETT location, time to identification, and operator confidence were assessed. RESULTS: One hundred and fifty intubations were performed and each was assessed by both standard and color Doppler techniques. There were 78 tracheal intubations and 72 esophageal intubations. The standard technique was 99.3% (95% CI 96.3 to 99.9%) accurate. The color flow technique was also 99.3% (95% CI 96.3 to 99.9%) accurate. The mean operator time to identification was 3.24s (95% CI 2.97 to 3.51s) in the standard approach and 5.75s (95% CI 5.16 to 6.33s) in the color flow technique. The mean operator confidence was 4.99/5.00 (95% CI 4.98 to 5.00) in the standard approach and 4.94/5.00 (95% CI 4.90 to 4.98) in the color flow technique. CONCLUSION: When added to standard ultrasound imaging, color flow did not improve accuracy or operator confidence for identifying ETT location and resulted in a longer examination time. PMID- 29223689 TI - Point-of-care hip ultrasound in a pediatric emergency department. PMID- 29223690 TI - Retrograde parotidectomy and facial nerve outcomes: A case series of 44 patients (Letter to Editor). PMID- 29223691 TI - Genome-wide association analysis of ear rot resistance caused by Fusarium verticillioides in maize. AB - The identification of causal regions associated with resistance to Fusarium verticillioides can be useful to understand resistance mechanisms and further be used in breeding programs. In this study, a genome-wide association study (GWAS) was conducted to identify candidate markers associated with resistance to the ear rot caused by the fungus F. verticillioides. A total of 242 maize inbred lines were genotyped with 23,153 DArT-seq markers. A total of 12 DArTs were associated with ear rot resistance. Some DArTs were localized close to genes with functions directly related to ear rot resistance, such as a gene responsible for the innate immune response that belongs to the class of NBS-LRR receptors. Some markers were also found to be closely associated with genes that synthesize transcription factors (nactf11 and nactf61), genes responsible for the oxidation-reduction process and peroxidase activity. These results are encouraging since some candidate markers can present functional relationship with ear rot resistance in maize. PMID- 29223693 TI - Atraumatic lumbar puncture needles: practice needs to change. PMID- 29223692 TI - Recent technological advancements in cardiac ultrasound imaging. AB - About 92.1 million Americans suffer from at least one type of cardiovascular disease. Worldwide, cardiovascular diseases are the number one cause of death (about 31% of all global deaths). Recent technological advancements in cardiac ultrasound imaging are expected to aid in the clinical diagnosis of many cardiovascular diseases. This article provides an overview of such recent technological advancements, specifically focusing on tissue Doppler imaging, strain imaging, contrast echocardiography, 3D echocardiography, point-of-care echocardiography, 3D volumetric flow assessments, and elastography. With these advancements ultrasound imaging is rapidly changing the domain of cardiac imaging. The advantages offered by ultrasound imaging include real-time imaging, imaging at patient bed-side, cost-effectiveness and ionizing-radiation-free imaging. Along with these advantages, the steps taken towards standardization of ultrasound based quantitative markers, reviewed here, will play a major role in addressing the healthcare burden associated with cardiovascular diseases. PMID- 29223694 TI - Atraumatic versus conventional lumbar puncture needles: a systematic review and meta-analysis. AB - BACKGROUND: Atraumatic needles have been proposed to lower complication rates after lumbar puncture. However, several surveys indicate that clinical adoption of these needles remains poor. We did a systematic review and meta-analysis to compare patient outcomes after lumbar puncture with atraumatic needles and conventional needles. METHODS: In this systematic review and meta-analysis, we independently searched 13 databases with no language restrictions from inception to Aug 15, 2017, for randomised controlled trials comparing the use of atraumatic needles and conventional needles for any lumbar puncture indication. Randomised trials comparing atraumatic and conventional needles in which no dural puncture was done (epidural injections) or without a conventional needle control group were excluded. We screened studies and extracted data from published reports independently. The primary outcome of postdural-puncture headache incidence and additional safety and efficacy outcomes were assessed by random-effects and fixed effects meta-analysis. This study is registered with the International Prospective Register of Systematic Reviews, number CRD42016047546. FINDINGS: We identified 20 241 reports; after exclusions, 110 trials done between 1989 and 2017 from 29 countries, including a total of 31 412 participants, were eligible for analysis. The incidence of postdural-puncture headache was significantly reduced from 11.0% (95% CI 9.1-13.3) in the conventional needle group to 4.2% (3.3-5.2) in the atraumatic group (relative risk 0.40, 95% CI 0.34-0.47, p<0.0001; I2=45.4%). Atraumatic needles were also associated with significant reductions in the need for intravenous fluid or controlled analgesia (0.44, 95% CI 0.29-0.64; p<0.0001), need for epidural blood patch (0.50, 0.33-0.75; p=0.001), any headache (0.50, 0.43-0.57; p<0.0001), mild headache (0.52, 0.38 0.70; p<0.0001), severe headache (0.41, 0.28-0.59; p<0.0001), nerve root irritation (0.71, 0.54-0.92; p=0.011), and hearing disturbance (0.25, 0.11-0.60; p=0.002). Success of lumbar puncture on first attempt, failure rate, mean number of attempts, and the incidence of traumatic tap and backache did not differ significantly between the two needle groups. Prespecified subgroup analyses of postdural-puncture headache revealed no interactions between needle type and patient age, sex, use of prophylactic intravenous fluid, needle gauge, patient position, indication for lumbar puncture, bed rest after puncture, or clinician specialty. These results were rated high-quality evidence as examined using the grading of recommendations assessment, development, and evaluation. INTERPRETATION: Among patients who had lumbar puncture, atraumatic needles were associated with a decrease in the incidence of postdural-puncture headache and in the need for patients to return to hospital for additional therapy, and had similar efficacy to conventional needles. These findings offer clinicians and stakeholders a comprehensive assessment and high-quality evidence for the safety and efficacy of atraumatic needles as a superior option for patients who require lumbar puncture. FUNDING: None. PMID- 29223695 TI - The Role of Space in Patients' Experience of an Emergency Department: A Qualitative Study. AB - INTRODUCTION: Nurses are increasingly involved in the design of health care facilities. Although their experience differs from that of patients, they are often expected to represent patients in design processes. Especially in the context of an emergency department, patients' states of mind alter their experiences. Knowledge about the role of space in ED patients' experience is limited. Our study aims to gain insight into this role and thus provide ED nurses with information to better represent ED patients' perspectives in design. METHODS: We conducted qualitative interviews with 22 patients. The interviews were supported by visual material collected through ethnographic methods to facilitate participants' reflections on the role of space in their experience. Participants were selected during their stays at the emergency department by convenience sampling. Interviews were audio-recorded, transcribed, and analyzed in combination with the visual material through open and axial coding. RESULTS: We found that the role of space in ED patients' experiences is affected by their altered sensory awareness and shaped by material, social, and time-related aspects. These aspects are intertwined and influenced by the transient character of the emergency department. DISCUSSION: The study indicates that paying attention to the role of space yields a nuanced understanding of ED patients' experiences. The challenge for hospital designers and staff lies in taking into account patients' altered sensory awareness and in designing interventions that support staff in emphasizing a human approach without counteracting the medical technical aspect of emergency care. PMID- 29223696 TI - Key Players in Key Roles: The Baystate Patient Progress Initiative to Improve Emergency Department Efficiency and Productivity. AB - BACKGROUND: The percentage of patients who leave the emergency department without being seen by a provider is a measure of efficiency and presents risk-management concerns. The number of patients actually "seen" by a provider is a measure of productivity. The opening of our new emergency department in December 2012, resulted in increases in both demand and the percentage of patients who left without being seen. Operational nursing leadership managed ED patient flow, but the structure was loosely organized on an ad hoc basis. METHODS: Operational nursing leadership roles were re-assigned to personnel with management aptitude and interest. The charge nurse coordinated care throughout all sections (pods) of the department while the pod lead nurse coordinated care in each pod. The flow coordinator nurse accepted transfers and emergency medical services arrivals. Nursing and physician staffing remained unchanged, and measures were calculated over a 3-year period (December 3, 2012, to December 2, 2015). The number of patients seen per day was analyzed using simple linear regression. The percentage of patients who left without being seen was analyzed using fractional logistic regression; P< 0.05 was considered statistically significant. RESULTS: The weekly mean number of patients seen per day rose 13% from 265 to 299 patients. The weekly mean percentage of patients who left without being seen declined 45% from 8.2% to 4.5%. The regression lines for both measures were significant at P < 0.001. CONCLUSION: Measures of efficiency and productivity can be improved significantly with a dedicated operational nursing leadership structure without adding nursing or physician staffing. PMID- 29223697 TI - A Case of Unilateral Endometriosis Coexisting with Struma Ovarii in Bilateral Ovarian Teratoma. PMID- 29223698 TI - Risk Factors for Unsuccessful Office-Based Endometrial Biopsy: A Comparative Study of Office-Based Endometrial Biopsy (Pipelle) and Diagnostic Dilation and Curettage. AB - STUDY OBJECTIVE: To determine the risk factors for Pipelle diagnostic failure, which might help healthcare providers choose the appropriate protocol for endometrial evaluation individually. DESIGN: A single-center prospective study (Canadian Task Force classification II). SETTING: The Obstetrics and Gynecology Hospital of Fudan University. PATIENTS: Patients (n = 466) with an indication for endometrial biopsy. INTERVENTIONS: All patients received Pipelle and then diagnostic dilation and curettage. The samples were sent for histopathologic diagnosis separately. MEASUREMENTS AND MAIN RESULTS: The Pipelle procedure failed in 10 of 466 patients (2.146%). The general sample inadequacy and histopathologic diagnosis inconsistency of Pipelle was 5.921% (27/456) and 14.254% (65/456), respectively. Upon multivariate analysis, history of cervical operation(s) (odds ratio [OR], 26.510; 95% coefficient interval [CI], 2.932-239.784; p = .004), prior intrauterine procedure(s) (OR, .096; 95% CI, .017-.554; p = .009), and pinpoint cervical os (OR, 5.939; 95% CI, 1.134-31.108; p = .035) were significantly associated with Pipelle procedure failure. Meanwhile, uterine volume < 43 cm3 (OR, 8.229; 95% CI, 1.902-35.601; p = .005) and uneven endometrium detected by ultrasound (OR, .176; 95% CI, .042-.734; p = .017) had significant correlation with sample inadequacy. Pipelle detected all endometrial cancer cases, whereas only 50.000% (7/14) of endometrial hyperplasia with atypia, 26.471% (9/34) of polyps, and 18.182% (2/11) of polyps with endometrial hyperplasia without atypia cases were detected by Pipelle. CONCLUSION: Although Pipelle is the first-line method for endometrial biopsy, it might fail in women with risk factors identified in this study. More considerations should be taken when choosing Pipelle. PMID- 29223699 TI - Definitive Management of Persistent Vaginal Discharge Caused by Leiomyoma endometrial Fistulas after Uterine Artery Embolization. PMID- 29223700 TI - Unilateral sagittal split ramus osteotomy: an alternative for some cases of asymmetric mandibular prognathism. AB - The objective of this study was to propose a treatment protocol for patients with lateral prognathism based on the unilateral sagittal split ramus osteotomy (USSRO). This was a prospective study involving 31 patients with lateral prognathism, who required a bilateral sagittal split ramus osteotomy (BSSRO). Two groups were formed using the proposed protocol, with specific inclusion criteria for each group: BSSRO (n=17) and USSRO (n=14). Occlusal parameters (dental midline deviation, overbite, and overjet) were measured preoperatively (T0), at model surgery (T1), 1 month postoperative (T2), and 1year after surgery (T3) and compared. P-values of <0.05 were considered significant. No significant difference was found between the USSRO and BSSRO groups for all occlusal parameters (T0, T1, T2, and T3). In both groups, there was a significant difference between T0 and T1 and no significant difference between T1 and T2 or T1 and T3 in all of the occlusal parameters; the exception was overbite between T1 and T2 in the BSSRO group, which showed a significant difference. No patient in either group showed signs or symptoms of temporomandibular joint dysfunction at T0 or T3. USSRO was found to be a stable alternative in patients with asymmetric mandibular prognathism. At the same time, it reduced the operating time and morbidity when compared to BSSRO. PMID- 29223701 TI - Vector Flow Imaging Compared with Pulse Wave Doppler for Estimation of Peak Velocity in the Portal Vein. AB - The study described here investigated whether angle-independent vector flow imaging (VFI) technique estimates peak velocities in the portal vein comparably to pulsed wave Doppler (PWD). Furthermore, intra- and inter-observer agreement was assessed in a substudy. VFI and PWD peak velocities were estimated with from intercostal and subcostal views for 32 healthy volunteers, and precision analyses were conducted. Blinded to estimates, three physicians rescanned 10 volunteers for intra- and inter-observer agreement analyses. The precision of VFI and PWD was 18% and 28% from an intercostal view and 23% and 77% from a subcostal view, respectively. Bias between VFI and PWD was 0.57 cm/s (p = 0.38) with an intercostal view and 9.89 cm/s (p <0.001) with a subcostal view. Intra- and inter observer agreement was highest for VFI (inter-observer intra-class correlation coefficient: VFI 0.80, PWD 0.3; intra-observer intra-class correlation coefficient: VFI 0.90, PWD 0.69). Regardless of scan view, VFI was more precise than PWD. PMID- 29223702 TI - Rapid and highly efficient capture and release of cancer cells using polymeric microfibers immobilized with enzyme-cleavable peptides. AB - : Circulating tumor cells (CTCs) are tumor cells present in the blood. CTCs have attracted much attention as a new tumor marker, because their analysis provides useful information for monitoring cancer progress. In this study, we developed cell-capture and release methods using three-dimensional (3D) microfiber fabrics without damaging the cells. Using functional peptides containing sequences from a polystyrene-binding site and a cleavable site for collagenase type IV, immobilized antibodies on the peptides were able to specifically capture MCF-7 cells in a few minutes and release the captured cells from 3D microfiber fabrics incorporating a vacuum system. The efficiency of cell capture was around 80% and that of the cell release was over 90%. The released cells proliferated normally in culture medium, suggesting that our system will be applicable for the culture and analysis of CTCs. STATEMENT OF SIGNIFICANCE: In this paper, we report cell capture and release methods using enzyme-cleavable peptides immobilized on microfiber fabrics which has microporous polymeric three-dimensional structures. Detachment and collection of the selectively captured cancer cells are required for ex vivo culture and their further analysis, whereas the cell detachment methods developed so far might cause cell damage, even if cell viability is high enough. Therefore, specific attachment and gentle detachment from the device are required for the accurate analysis of cells. In this study, for capture and release of cancer cells we designed the peptide cleavable by collagenase type IV, which has no target molecule in cells. Our system will be useful for further CTC analysis and might lead to more accurate cancer diagnosis. PMID- 29223703 TI - The foreign body response and morphometric changes associated with mesh-style peripheral nerve cuffs. AB - : Nerve cuffs have been used to anchor and protect penetrating electrodes in peripheral nerves and have been used as non-penetrating electrodes for neural recording and nerve stimulation. The material of choice for such applications is silicone, an inert synthetic biomaterial which elicits a minimal chronic foreign body response (FBR). While histological studies of solid silicone cuffs are available, to the best of our knowledge a comparison to other cuff designs is not well documented. Here, we describe the FBR and morphological changes that accompany nerve cuff implantation in the rat sciatic nerve by comparing a metallic mesh with and without a parylene coating to one made of silicone. Two months after implantation, we observed that such implants, irrespective of the cuff type, were associated with a persistent inflammatory response consisting of activated macrophages attached to the implant surfaces, which extended into the endoneurial space of the encapsulated nerve. We also observed foreign body giant cells in the epineurial space that were more prevalent in the mesh cohorts. The mesh cuff groups showed significant changes in several morphometric parameters that were not seen in the silicon group including reductions in nerve fiber packing density and a greater reduction of large diameter fibers. High magnification microscopy also showed greater evidence of foamy macrophages in the endoneurial space of the mesh implanted cohorts. Although the precise mechanisms are unknown, the results showed that mesh style nerve cuffs show a greater inflammatory response and had greater reductions in morphometric changes in the underlying nerve compared to silicone in the absence of a penetrating injury. STATEMENT OF SIGNIFICANCE: While traditional silicone cuffs have been in use for decades, the inflammatory and morphometric effects of these cuffs on the underlying nerve have not been deeply studied. Further, manipulation of the foreign body response to nerve cuffs by using various materials and/or designs has not been well reported. Therefore, we report the inflammatory response around nerve cuffs of various materials and designs, as well as report morphometric parameters of the underlying nerve. These data provide important information regarding the potential for quantitative morphometric changes associated with the use of nerve cuffs, and, importantly, suggests that these changes are associated with the degree of inflammation associated with the cuff. PMID- 29223704 TI - Decellularized heart ECM hydrogel using supercritical carbon dioxide for improved angiogenesis. AB - : Initial angiogenesis within the first 3 days is critical for healing ischemic diseases such as myocardial infarction. Recently, decellularized extracellular matrix (dECM) has been reported to provide tissue-derived ECM components and can be used as a scaffold for cell delivery for angiogenesis in tissue engineering. Decellularization by various detergents such as sodium dodecyl sulfate (SDS) and triton X-100 can remove the cell nuclei in tissue organs. However, this leads to ECM structure denaturation, decreased presence of various ECM proteins and cytokines, and loss of mechanical properties. To overcome these limitations, in this study, we developed a supercritical carbon dioxide and ethanol co-solvent (scCO2-EtOH) decellularization method, which is a detergent-free system that prevents ECM structure disruption and retains various angiogenic proteins in the heart dECM, and tested on rat heart tissues. The heart tissue was placed into the scCO2 reactor and decellularized at 37 degrees C and 350 bar. After scCO2-EtOH treatment, the effects were evaluated by DNA, collagen, and glycosaminoglycan (GAG) quantification and hematoxylin and eosin and immunofluorescence staining to determine the absence of nucleic acids and preservation of heart ECM components. Similar to the native group, the scCO2-EtOH group contained more ECM components such as collagen, GAGs, collagen I, laminin, and fibronectin and angiogenic factors including vascular endothelial growth factor, fibroblast growth factor, and platelet-derived growth factor and others in comparison to the detergent group. In addition, to estimate angiogenesis of the dECM hydrogels, the neutralized dECM solution was injected in a rat subcutaneous layer (n = 6 in each group: collagen, scCO2-EOH, and detergent group), after which the solution naturally formed gelation in the subcutaneous layer. After 3 days, the gels were harvested and estimated by immunofluorescence staining and the ImageJ program for angiogenesis analysis. Consequently, blood vessel formation and density of vWF and alpha-SMA in the scCO2-EtOH group were significantly greater than that in the collagen group. Here we suggest that heart-derived decellularized extracellular matrix (dECM) with scCO2-EtOH treatment is a highly promising angiogenic material for healing in ischemic disease. STATEMENT OF SIGNIFICANCE: Supercritical carbon dioxide (scCO2) in a supercritical phase has low viscosity and high diffusivity between gas and liquid properties and is known to be affordable, non-toxic, and eco-friendly. Therefore, scCO2 extraction technology has been extensively used in commercial and industrial fields. Recently, decellularized extracellular matrix (dECM) was applied to tissue engineering and regenerative medicine as a scaffold, therapeutic material, and bio-ink for 3D printing. Moreover, the general decellularization method using detergents has limitations including eliminating tissue-derived ECM components and disrupting their structures after decellularization. To overcome these limitations, heart tissues were treated with scCO2-EtOH for decellularization, resulting in preserving of tissue due to the various ECM and angiogenic factors derived. In addition, initiation of angiogenesis was highly induced even after 3 days of injection. PMID- 29223705 TI - Functional hepatocyte clusters on bioactive blend silk matrices towards generating bioartificial liver constructs. AB - : The creation of in vitro functional hepatic tissue simulating micro environmental niche of native liver is a keen area of research due to its demand in bioartificial liver (BAL) and cell-based tissue engineering. Here, we investigated the potential of novel blend (BA) silk scaffold fabricated by blending mulberry (Bombyx mori, BM) silk fibroin with cell adhesion motif (RGD) rich non-mulberry (Antheraea assamensis, AA) silk fibroin, in generating a functional liver construct. Three-dimensional (3D) porous silk scaffolds (BM, AA and BA) were physico-chemically characterized and functionally evaluated using human hepatocarcinoma cells (HepG2) and primary neonatal rat hepatocytes. The growth and distribution of hepatocytes within the scaffolds were tracked by FESEM, alamar blue proliferation assay and live/dead staining. Hemocompatible BA scaffolds supported the formation of high density hepatocyte clusters, facilitating cell-matrix and cell-cell interactions. Blend scaffolds evinced enhanced liver-specific functions of cultured hepatocytes in terms of albumin synthesis, urea synthesis and cytochrome P450 enzyme activity over 21 days. Subcutaneous implantation of scaffolds demonstrated minimal macrophage infiltration in blend scaffolds. These findings substantiate that the integral property of blend (BA) scaffold offers a befitting environment by influencing spheroidal growth of hepatocytes with enhanced biological activity. Collectively, the present study provides a new 3D bio-matrix niche for growing functional liver cells that would have future prospects in BAL as well as regenerative medicine. STATEMENT OF SIGNIFICANCE: An end stage liver disease called cirrhosis perturbs the self-healing ability and physiological functions of liver. Due to the scarcity of healthy donors, a functional in vitro hepatic construct retaining the liver-specific functions is in great demand for its prospects in bioartificial liver (BAL) and cell-based tissue engineering. Physicochemical attributes of a matrix influence the behavior of cultured hepatocytes in terms of attachment, morphology and functionality. Mulberry and non-mulberry silk fibroin presents unique amino acid sequence with difference in hydrophobicity and crystallinity. Considering this, the present study focuses on the development of a suitable three-dimensional (3D) bioactive matrix incorporating both mulberry silk fibroin and cell adhesion motif (RGD) rich non-mulberry silk fibroin. Porous silk blend scaffolds facilitated the formation of hepatocyte clusters with enhanced liver specific functions emphasizing both cell-cell and cell-matrix interactions. Hemocompatibility and integral property of blend scaffolds offers a biological niche for seeding functional liver cells that would have future prospects in biohybrid devices. PMID- 29223707 TI - Reliability of two techniques and training level of the observer in measuring the correction angle when planning a high tibial osteotomy. AB - BACKGROUND: In high tibial osteotomy, planning is critical for achieving successful realignment. Any method selected needs to be reliable, with inter observer and intra-observer correlation. A literature review demonstrated two distinct methods of planning for high tibial osteotomy. HYPOTHESIS: Both methods are precise and show excellent inter and intra-observer correlation. METHOD: Fifty consecutive weight-bearing long leg alignment antero-posterior (AP) radiographs were identified and planning undertaken on suitable radiographs using the methods of Puddu (method 1) and Miniaci (method 2). Two observers, one junior trainee and one Specialist Knee Fellow, recorded measurements to calculate inter and intra-observer correlation. RESULTS: Thirty-two radiographs were included. Inter-observer and intra-observer correlation, and correlation between the two methods were all greater than 0.97 (p<0.0001). CONCLUSION: Our results show excellent correlation between both methods and both observers. Both methods are reliable for planning and can be performed by both junior trainees and subspecialists. Further work should consider how planning can ensure adequate intraoperative correction. PMID- 29223706 TI - Cross-over clinical trial for evaluating the safety of camel's milk intake in patients who are allergic to cow's milk protein. AB - BACKGROUND: Cow's milk protein allergy (CMPA) affects between 0.6 and 0.9% of the general population, and its treatment implies the total elimination of the intake of this protein. Camel's milk has been suggested as an alternative for patients over one year of age who suffer from CMPA due to the difference in the amino acid sequence from that of cow's milk. The objective of this study was to evaluate the safety and tolerability of camel's milk in children with CMPA. METHODS: Crossed clinical trial for the use of camel's milk vs. amino acid formula, carried out at the Dr. Federico Gomez Children's Hospital of Mexico (HIMFG) on patients between one and 18 years of age with diagnosed CMPA confirmed through double-blind, placebo-controlled food challenges (DBPCFCs). Only those whose allergies were confirmed were randomly placed into two groups: those to be administered camel's milk and those to be administered the amino-acid formula for two weeks, followed by a six-week wash-out period, and then a group crossing for a further two weeks. RESULTS: 49 patients with suspected CMPA were included in the study; the diagnosis was confirmed through DBPCFCs in 15 patients, who were those who participated in the study. After having been administered camel's milk, none of the patients presented adverse effects. CONCLUSIONS AND CLINICAL RELEVANCE: Camel's milk is safe and tolerable in patients above one year of age with CMPA and can be considered as a good alternative given the benefit of its taste compared to other formulas. PMID- 29223708 TI - Comparison of Neuroplastic Responses to Cathodal Transcranial Direct Current Stimulation and Continuous Theta Burst Stimulation in Subacute Stroke. AB - OBJECTIVE: To investigate the effects of cathodal transcranial direct current stimulation (tDCS) and continuous theta burst stimulation (cTBS) on neural network connectivity and motor recovery in individuals with subacute stroke. DESIGN: Double-blinded, randomized, placebo-controlled study. SETTING: University hospital rehabilitation unit. PARTICIPANTS: Inpatients with stroke (N=41; mean age, 65y; range, 28-85y; mean weeks poststroke, 5; range, 2-10) with resultant paresis in the upper extremity (mean Fugl-Meyer score, 14; range, 3-48). INTERVENTIONS: Subjects with stroke were randomly assigned to neuronavigated cTBS (n=14), cathodal tDCS (n=14), or sham transcranial magnetic stimulation/sham tDCS (n=13) over the contralesional primary motor cortex (M1). Each subject completed 9 stimulation sessions over 3 weeks, combined with physical therapy. MAIN OUTCOME MEASURES: Brain function was assessed with directed and nondirected functional connectivity based on high-density electroencephalography before and after stimulation sessions. Primary clinical end point was the change in slope of the multifaceted motor score composed of the upper extremity Fugl-Meyer Assessment score, Box and Block test score, 9-Hole Peg Test score, and Jamar dynamometer results between the baseline period and the treatment time. RESULTS: Neither stimulation treatment enhanced clinical motor gains. Cathodal tDCS and cTBS induced different neural effects. Only cTBS was able to reduce transcallosal influences from the contralesional to the ipsilesional M1 during rest. Conversely, tDCS enhanced perilesional beta-band oscillation coherence compared with cTBS and sham groups. Correlation analyses indicated that the modulation of interhemispheric driving and perilesional beta-band connectivity were not independent mediators for functional recovery across all patients. However, exploratory subgroup analyses suggest that the enhancement of perilesional beta band connectivity through tDCS might have more robust clinical gains if started within the first 4 weeks after stroke. CONCLUSIONS: The inhibition of the contralesional M1 or the reduction of interhemispheric interactions was not clinically useful in the heterogeneous group of subjects with subacute stroke. An early modulation of perilesional oscillation coherence seems to be a more promising strategy for brain stimulation interventions. PMID- 29223709 TI - Bone Marrow Edema Syndrome of the Medial Femoral Condyle Treated With Extracorporeal Shock Wave Therapy: A Clinical and MRI Retrospective Comparative Study. AB - OBJECTIVE: To determine the validity of extracorporeal shock wave therapy (ESWT) in the treatment of bone marrow edema (BME) of the medial condyle of the knee. DESIGN: Retrospective. SETTING: Orthopedic Surgery outpatient clinic. PARTICIPANTS: Symptomatic patients (N=56) affected by BME of the medial condyle of the knee. Patients were equally divided into an ESWT-treated group and a control group, which was managed conservatively. INTERVENTIONS: ESWT delivery to the medial condyle of the affected knee. MAIN OUTCOME MEASURES: Clinical and functional assessment of the knee was performed with the use of the clinical and functional scores of the Knee Society Score (KSS). Pain was measured with the visual analog scale (VAS). BME area was measured with magnetic resonance imaging (MRI) before treatment and at 4 months' follow-up. RESULTS: Clinical evaluation of patients at final follow-up of 4 months posttreatment showed a significant improvement (P<.0001) of symptoms and knee functionality, both for range of motion and strength in both groups. VAS values were significantly improved (P<.0001) in both groups, with 3 patients in the ESWT group being pain-free (VAS=0) at 4 months' follow-up. At 4 months, MRI assessments on both sagittal and coronal views showed a significant reduction in BME in the ESWT group compared with the control group. CONCLUSIONS: Our findings show that ESWT is a valid nonpharmacologic and noninvasive therapy for spontaneous BME of the medial condyle that improves the affected vascular and metabolic state present in this pathologic disorder through its metabolic mechanisms of action. PMID- 29223710 TI - Behavioral responses of CD-1 mice to conspecific and heterospecific blood odors and to a blood odor component. AB - The odor of blood may have both aversive and attractive properties for mammals, depending on the species of the odor donor and the species perceiving the odor. To better understand the informational content of blood odor for a prey species we assessed behavioral responses of male CD-1 mice (n=60) to the odor of blood of same-sex and opposite-sex conspecifics, of a natural predator of mice (cat), and of a herbivore (horse) and an omnivore (human) non-predator of mice. Further, we assessed their behavior towards the mammalian blood odor component trans-4,5 epoxy-(E)-2-decenal which recent studies have shown to be as attractive to mammalian predators as the odor of real blood. A two-compartment test arena was used to record approach/avoidance behavior when the animals were presented with an odor in one compartment and a blank control in the other compartment. We found that both conspecific and heterospecific blood odors elicited significant avoidance behavior in the mice whereas a control odor (n-pentyl acetate) did not. The blood odor component trans-4,5-epoxy-(E)-2-decenal was also significantly avoided and thus appears to play an important role in the perception of mammalian blood odor in this prey species. These results support the notion that mammalian blood odor contains an olfactory warning signal which elicits an adaptive behavioral avoidance response in a prey species, the mouse. Our finding that the mice avoided the mammalian blood odor component trans-4,5-epoxy-(E)-2-decenal to the same degree as the odor of real blood suggests that this volatile compound might be (part of) this warning signal. PMID- 29223712 TI - Correlated colour temperature of morning light influences alertness and body temperature. AB - Though several studies have reported human alertness to be affected by the intensity and spectral composition of ambient light, the mechanism behind this effect is still largely unclear, especially for daytime exposure. Alerting effects of nocturnal light exposure are correlated with melatonin suppression, but melatonin levels are generally low during the day. The aim of this study was to explore the alerting effect of light in the morning for different correlated colour temperature (CCT) values, as well as its interaction with ambient temperature. Body temperature and perceived comfort were included in the study as possible mediating factors. In a randomized crossover design, 16 healthy females participated in two sessions, once under 2700K and once under 6500K light (both 55lx). Each session consisted of a baseline, a cool, a neutral and a warm thermal environment. Alertness as measured in a reaction time task was lower for the 6500K exposure, while subjective sleepiness was not affected by CCT. Also, core body temperature was higher under 6500K. Skin temperature parameters and perceived comfort were positively correlated with subjective sleepiness. Reaction time correlated with heat loss, but this association did not explain why the reaction time was improved for 2700K. PMID- 29223711 TI - An automated method to detect and quantify fungiform papillae in the human tongue: Validation and relationship to phenotypical differences in taste perception. AB - Determination of the number of fungiform papillae (FP) on the human tongue is an important measure that has frequently been associated with individual differences in oral perception, including taste sensitivity. At present, there is no standardised method consistently used to identify the number of FP, and primarily scientists manually count papillae over a small region(s) of the anterior tip of a stained tongue. In this study, a rapid automated method was developed to quantify the number of FP across the anterior 2cm of an unstained tongue from high resolution digital images. In 60 participants, the automated method was validated against traditional manual counting, and then used to assess the relationship between the number of FP and taste phenotype (both 6-n propylthiouracil (PROP) and Thermal Taster Status). FP count on the anterior 2cm of the tongue was found to correlate significantly with PROP taster status. PROP supertasters (PSTs) had a significantly higher FP count compared with PROP non tasters (PNTs). Conversely, the common approach used to determine the number of FP in a small 6mm diameter circle on the anterior tongue tip, did not show a significant correlation irrespective of whether it was determined via automated or manual counting. The regional distribution of FP was assessed across PROP taster status groups. PSTs had a significantly higher FP count within the first centimetre of the anterior tongue compared with the PNT and PROP medium-tasters (PMT), with no significant difference in the second centimetre. No significant relationship was found with Thermal Taster Status and FP count, or interaction with PROP taster status groups, supporting previous evidence suggesting these phenomena are independent. The automated method is a valuable tool, enabling reliable quantification of FP over the anterior 2cm surface of the tongue, and overcomes subjective discrepancies in manual counting. PMID- 29223713 TI - Diagnostic Values of DCE-MRI and DSC-MRI for Differentiation Between High-grade and Low-grade Gliomas: A Comprehensive Meta-analysis. AB - RATIONALE AND OBJECTIVES: This study aimed to collect the studies on the role of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) and dynamic susceptibility contrast MRI (DSC-MRI) in differentiating the grades of gliomas, and evaluate the diagnostic performances of relevant quantitative parameters in glioma grading. MATERIALS AND METHODS: We systematically searched studies on the diagnosis of gliomas with DCE-MRI or DSC-MRI in Medline, PubMed, China National Knowledge Infrastructure database, Cochrane Library, and Embase published between January 2005 and December 2016. Standardized mean differences and 95% confidence intervals were calculated for volume transfer coefficient (Ktrans), volume fraction of extravascular extracellular space (Ve), rate constant of backflux (Kep), relative cerebral blood volume (rCBV), and relative cerebral blood flow (rCBF) using Review Manager 5.2 software. Sensitivity, specificity, area under the curve (AUC), and Begg test were calculated by Stata 12.0. RESULTS: Twenty-two studies with available outcome data were included in the analysis. The standardized mean difference of Ktrans values between high-grade glioma and low grade glioma were 1.18 (0.91, 1.45); Ve values were 1.43 (1.06, 1.80); Kep values were 0.65 (-0.05, 1.36); rCBV values were 1.44 (1.08, 1.81); and rCBF values were 1.17 (0.68, 1.67), respectively. The results were all significant statistically (P < .05) except Kep values (P = .07), and high-grade glioma had higher Ktrans, Ve, rCBV, and rCBF values than low-grade glioma. AUC values of Ktrans, Ve, rCBV, and rCBF were 0.90, 0.88, 0.93, and 0.73, respectively; rCBV had the largest AUC among the four parameters (P < .05). CONCLUSION: Both DCE-MRI and DSC-MRI are reliable techniques in differentiating the grades of gliomas, and rCBV was found to be the most sensitive one. PMID- 29223714 TI - Ayurveda: The future in the tradition. PMID- 29223715 TI - Development of two fluorine-18 labeled PET radioligands targeting PDE10A and in vivo PET evaluation in nonhuman primates. AB - INTRODUCTION: Phosphodiesterase 10A (PDE10A) is a member of the PDE enzyme family that degrades cyclic adenosine and guanosine monophosphates (cAMP and cGMP). Based on the successful development of [11C]T-773 as PDE10A positron emission tomography (PET) radioligand, in this study our aim was to develop and evaluate fluorine-18 analogs of [11C]T-773. METHODS: [18F]FM-T-773-d2 and [18F]FE-T-773-d4 were synthesized from the same precursor used for 11C-labeling of T-773 in a two step approach via 18F-fluoromethylation and 18F-fluoroethylation, respectively, using corresponding deuterated synthons. A total of 12 PET measurements were performed in seven non-human primates. First, baseline PET measurements were performed using High Resolution Research Tomograph system with both [18F]FM-T-773 d2 and [18F]FE-T-773-d4; the uptake in whole brain and separate brain regions, as well as the specific binding and tissue ratio between putamen and cerebellum, was examined. Second, baseline and pretreatment PET measurements using MP-10 as the blocker were performed for [18F]FM-T-773-d2 including arterial blood sampling with radiometabolite analysis in four NHPs. RESULTS: Both [18F]FM-T-773-d2 and [18F]FE-T-773-d4 were successfully radiolabeled with an average molar activity of 293 +/- 114 GBq/MUmol (n=8) for [18F]FM-T-773-d2 and 209 +/- 26 GBq/MUmol (n=4) for [18F]FE-T-773-d4, and a radiochemical yield of 10% (EOB, n=12, range 3%-16%). Both radioligands displayed high brain uptake (~5.5% of injected radioactivity for [18F]FM-T-773-d2 and ~3.5% for [18F]FE-T-773-d4 at the peak) and a fast washout. Specific binding reached maximum within 30 min for [18F]FM-T-773-d2 and after approximately 45 min for [18F]FE-T-773-d4. [18F]FM-T-773-d2 data fitted well with kinetic compartment models. BPND values obtained indirectly through compartment models were correlated well with those obtained by SRTM. BPND calculated with SRTM was 1.0-1.7 in the putamen. The occupancy with 1.8 mg/kg of MP-10 was approximately 60%. CONCLUSIONS: [18F]FM-T-773-d2 and [18F]FE-T-773-d4 were developed as fluorine-18 PET radioligands for PDE10A, with the [18F]FM-T-773 d2 being the more promising PET radioligand warranting further evaluation. PMID- 29223716 TI - Alkaline degradation of lyophilized DMSA prior to labeling with 99mTc: Identification and development of the degradation pathway by HPLC and MS. AB - INTRODUCTION: Complexes of technetium-99m (99mTc) with meso-dimercaptosuccinic acid (DMSA) have been widely used as diagnostic agents in nuclear medicine. The degradation products (DP) of DMSA formed under different forced conditions have been identified through HPLC-DAD and LC-MSn studies. In this study, the DMSA kit was subjected to forced degradation under hydrolysis conditions as prescribed by the International Conference on Harmonization (ICH) guideline Q1A. METHODS: Chromatographic separation was accomplished on a reverse phase Shim-Pack VP-ODS (150 mm * 4.6 mm; 5 MUm) analytical column using the gradient elution method. LC MSn analysis was performed using an Esquire 3000 Plus ion trap mass spectrometer, operating under electrospray ionization (ESI). RESULTS: No products were found under acidic or neutral stress conditions. All the products found were identified through LC-MSn analyses and their fragmentation pathways were proposed. The DMSA standard degraded into an adduct DMSA dimer (2DMSA[-2H+Na]+) and adduct DMSA bound to fumaric acid and dithioglucolic acid (DTGA). In the DMSA kit, the degradation products were dimers and trimers of DMSA with tin. A possible degradation pathway is presented. CONCLUSIONS: This method proved to be convenient and effective since it provided fast and efficient separation of DMSA from its degradation products. The degradation studies carried out were able to delineate the stability of the DMSA standard and the DMSA kit. PMID- 29223717 TI - Synthesis and biological evaluation of novel synthetic chalcone derivatives as anti-tumor agents targeting Cat L and Cat K. AB - A series of chalcone derivatives bearing benzamide or benzenesulfonamide moieties were synthesized and evaluated for their anti-tumor effect on HCT116, MCF7 and 143B cell lines in vitro. SAR analysis showed that compounds bearing a benzenesulfonamide group had greater potency than those bearing a benzamide group. It was also shown that compounds with a mono-methyl or mono-halogen group at the 3-position on the terminal phenyl ring were more effective than those with trifluoromethyl or methoxy groups. Compound 8e exhibited the most potent anti tumor activities against HCT116, MCF7 and 143B cell lines, with IC50 values of 0.597, 0.886 and 0.791MUM, respectively. Molecular docking studies and enzymatic assays demonstrated that the anti-tumor activity of compound 8e might be regulated by Cat L and Cat K. PMID- 29223718 TI - Complete genome sequence of the highly Mn(II) tolerant Staphylococcus sp. AntiMn 1 isolated from deep-sea sediment in the Clarion-Clipperton Zone. AB - Staphylococcus sp. AntiMn-1 is a deep-sea bacterium inhabiting seafloor sediment in the Clarion-Clipperton Zone (CCZ) that is highly tolerant to Mn(II) and displays efficient Mn(II) oxidation. Herein, we present the assembly and annotation of its genome. PMID- 29223719 TI - Physical Activity and Weight Loss Reduce the Risk of Breast Cancer: A Meta analysis of 139 Prospective and Retrospective Studies. AB - BACKGROUND: Physical activity and weight loss have been shown to reduce breast cancer incidence in numerous observational studies. The aim of this meta-analysis was to assess the effect of both physical activity and weight loss on breast cancer incidence. Specifically, we aimed to complete subgroup analyses by the intensity of physical activity and menopausal status at breast cancer diagnosis to further elucidate the relationship between physical activity, weight loss, and breast cancer incidence. MATERIALS AND METHODS: Studies were obtained from a database search of MEDLINE, EMBASE, PubMed, Current Contents Connect, and Google Scholar through November 5, 2017. A random-effects model was used for pooled data. RESULTS: There were 139 studies included in the meta-analysis, including 236,955 cases and 3,963,367 controls. Physical activity significantly reduced the risk of breast cancer (odds ratio [OR], 0.78; 95% confidence interval [CI], 0.76 0.81; P < .001), with high-intensity physical activity being slightly more protective (OR, 0.73; 95% CI, 0.65-0.81; P < .001) than low-intensity exercise (OR, 0.79; 95% CI, 0.72-0.86; P < .001). The effect size for general exercise was similar in both premenopausal (OR, 0.79; 95% CI, 0.73-0.87; P < .001) and postmenopausal (OR, 0.82; 95% CI, 0.78-0.86; P < .001) women. Additionally, weight loss reduced the risk of breast cancer incidence (OR, 0.82; 95% CI, 0.67 0.97). CONCLUSION: Physical activity and weight loss significantly reduce the risk of breast cancer, irrespective of the timing and intensity of the exercise. PMID- 29223720 TI - Serum periostin is associated with body mass index and allergic rhinitis in healthy and asthmatic subjects. AB - BACKGROUND: Many studies have attempted to clarify the factors associated with serum periostin levels in asthmatic patients. However, these results were based on studies of subjects mainly characterized by high eosinophil counts, which may present as an obstacle for clarification in the identification of other factors associated with serum periostin levels. The aim of this study was to determine the factors associated with serum periostin levels in healthy subjects. We also assessed some factors in asthmatic subjects to confirm their extrapolation for management of asthma. METHODS: Serum periostin levels were measured in 230 healthy subjects. Clinical factors of interest included body mass index (BMI) and allergic rhinitis (AR). Additionally, we confirmed whether these factors were associated with serum periostin in 206 asthmatic subjects. We further evaluated several obesity-related parameters, such as abdominal fat distribution and adipocytokine levels. RESULTS: Smoking status, blood eosinophil count, total immunoglobulin E, and the presence of AR were associated with serum periostin in healthy subjects. There was a negative association between BMI and serum periostin in both healthy and asthmatic subjects, while there was a tendency of a positive association with AR in asthmatic subjects. There were no differential associations observed for subcutaneous and abdominal fat in relation to serum periostin in asthmatic subjects. Serum periostin was significantly associated with serum levels of adiponectin, but not with leptin. CONCLUSIONS: Our results provided clarity as to the factors associated with serum periostin levels, which could be helpful in the interpretation of serum periostin levels in clinical practice. PMID- 29223721 TI - Dynamic Shunting Across a Patent Foramen Ovale in Adult Cardiac Surgery Perioperative Challenges and Management. PMID- 29223722 TI - The Effectiveness of Intravenous Parecoxib on the Incidence of Ipsilateral Shoulder Pain After Thoracotomy: A Randomized, Double-Blind, Placebo-Controlled Trial. AB - OBJECTIVES: To determine the incidence of ipsilateral shoulder pain (ISP) with the therapeutic use of parecoxib compared with a placebo after thoracotomy. DESIGN: A prospective, randomized, double-blind, placebo-controlled trial. SETTING: A tertiary-care university hospital. PARTICIPANTS: Adult patients undergoing an elective thoracotomy between June 2011 and February 2015. INTERVENTIONS: Patients were allocated randomly into the parecoxib group (n = 80) and the control group (n = 80). In the parecoxib group, 40 mg of parecoxib was diluted into 2 mL and given intravenously 30 minutes before surgery and then every 12 hours postoperatively for 48 hours. In the control group, 2 mL of normal saline was given to the patients at the same intervals. MEASUREMENTS AND MAIN RESULTS: A numerical rating scale was used to assess the intensity of ISP at 2, 6, 12, 24, 48, 72, and 96 hours after surgery. Intravenous morphine (0.05 mg/kg) was used as the rescue medication for ISP during the 96-hour period. Baseline characteristics of patients in both groups were comparable. Patients in the parecoxib group had a significantly lower incidence of ISP, both overall (42.5% v 62.0%, p = 0.014) and of moderate-to-severe ISP when compared with the control group (26.2% v 49.4%, p = 0.003). Parecoxib reduced the risk of ISP by a statistically significant 32% (risk ratio, 0.68; 95% confidence interval, 0.50 0.93, p = 0.016). There were no significant differences in the occurrence of adverse effects between the groups. CONCLUSIONS: Intravenous parecoxib significantly can reduce the incidence and severity of ISP after thoracotomy. PMID- 29223723 TI - Aortic Regurgitation in Acute Type A Dissection. PMID- 29223724 TI - Vasoplegia After Cardiovascular Procedures-Pathophysiology and Targeted Therapy. AB - Vasoplegic syndrome, characterized by low systemic vascular resistance and hypotension in the presence of normal or supranormal cardiac function, is a frequent complication of cardiovascular surgery. It is associated with a diffuse systemic inflammatory response and is mediated largely through cellular hyperpolarization, high levels of inducible nitric oxide, and a relative vasopressin deficiency. Cardiopulmonary bypass is a particularly strong precipitant of the vasoplegic syndrome, largely due to its association with nitric oxide production and severe vasopressin deficiency. Postoperative vasoplegic shock generally is managed with vasopressors, of which catecholamines are the traditional agents of choice. Norepinephrine is considered to be the first-line agent and may have a mortality benefit over other drugs. Recent investigations support the use of noncatecholamine vasopressors, vasopressin in particular, to restore vascular tone. Alternative agents, including methylene blue, hydroxocobalamin, corticosteroids, and angiotensin II, also are capable of restoring vascular tone and improving vasoplegia, but their effect on patient outcomes is unclear. PMID- 29223725 TI - Transfusion-associated circulatory overload: A survey among Dutch intensive care fellows. AB - OBJECTIVES: Transfusion-associated circulatory overload (TACO) is a severe pulmonary transfusion reaction and leading cause of transfusion-related morbidity and mortality in Europe. TACO is of particular importance in critically ill patients, since they often receive blood transfusions and have multiple risk factors for TACO. This study investigates transfusion practices in patients at risk of developing TACO, and furthermore knowledge concerning risk factors, diagnoses and treatment strategies among Dutch intensive care unit (ICU) fellows. MATERIAL AND METHODS: An unannounced paper-based survey was conducted among Dutch ICU fellows during an educational conference. The survey consisted of 16 multiple and open choice questions. RESULTS: Of all 65 Dutch ICU fellows 56.8% completed the survey; of respondents 88.9% identified the correct constellation of symptoms for TACO. In total, 29.7% of the respondents are aware they are obligated to report TACO cases to the blood bank. Major risk factors for TACO that respondents identified were reduced left ventricular function, infusion volume and infusion rate. In a non-emergency setting, 45.9% of fellows start red blood cell transfusion with 2 units or more. Transfusion rates exceeded national guidelines in 15.4% of fictitious cases. TACO is treated with furosemide by 94.5% of the fellows, however goals of the therapy varied greatly. CONCLUSION: Dutch ICU fellows are knowledgeable of TACO symptoms, risk factors and treatment, however knowledge on reporting and transfusion practice in the setting of at risk patients for TACO should be improved. PMID- 29223726 TI - Computed tomography measurement of the left atrial appendage for optimal sizing of the Watchman device. AB - INTRODUCTION: Percutaneous left atrial appendage (LAA) occlusion is an emerging treatment option for patients with non-valvular atrial fibrillation who cannot tolerate oral anticoagulation. The Watchman device (Boston Scientific Corporation, Natick, MA, USA) is deployed at the ostium of the LAA, and an appropriately sized device is critical for successful occlusion. However, standardized imaging protocols for device sizing have not been established. OBJECTIVES: We investigated the clinical utility of a standardized imaging protocol, with pre-procedural multi-detector cardiac computed tomography (MDCT), and intra-procedural transesophageal echocardiography (TEE), for Watchman device sizing. METHODS: Patients who underwent Watchman device implantation between 2010 and 2016 at our center, and who had pre-procedural MDCT and intra-procedural TEE were included. MDCT measurements (CTmax, CTmin, CTmean), and TEE measurement (TEEmax) of the LAA ostium were determined for each case, and correlated with the final size of the Watchman device implanted. Demographic data and clinical outcomes were collected. RESULTS: The study included 80 patients (mean age: 75 +/ 9.6 years; male: 68%; mean CHA2DS2-VASc score: 4.5 +/- 1.4). CTmax of the LAA ostium correlated strongly with the final deployed Watchman device size (Spearman's rho: 0.81, p < 0.001), while TEEmax of the LAA ostium showed only moderate correlation with the final deployed Watchman device size (Spearman's rho: 0.61, p < 0.001). Implantation success rate was 100%. At a mean duration of follow-up of 197 days, there were no device-related complications (device embolization, cardiac perforation and pericardial tamponade). At follow-up, the vast majority of patients (76 patients; 95%) had either no or trivial (<=3 mm) residual peri-device leak on TEE. CONCLUSIONS: A standardized imaging protocol for assessment of Watchman device implantation incorporating pre-procedural MDCT and intra-procedural TEE, was associated with excellent procedural outcomes at a mean duration of follow-up of 197 days. PMID- 29223727 TI - Urodynamic characteristics might be variable in bladder pain syndrome/interstitial cystitis patients with different non-bladder co-morbid conditions. AB - BACKGROUND: The aim of the study was to identify the impact of non-bladder co morbid conditions on the urodynamic characteristics of patients with bladder pain syndrome/interstitial cystitis. METHODS: Patients with bladder pain syndrome/interstitial cystitis completed the screening questionnaires for chronic fatigue syndrome, irritable bowel syndrome, fibromyalgia, temporo-mandibular disorders, multiple chemical sensitivities, tension/migraine headache, and localized myofascial pain disorder. They underwent either conventional pressure flow urodynamic studies or video-urodynamic studies. Urodynamic variables were compared between patients with and those without co-morbid conditions. RESULTS: Of 111 patients (16 males and 95 females) with bladder pain syndrome/interstitial cystitis, 87 (78.4%) had at least one co-morbid condition (62% males vs 82% females, p = 0.005). Those with concomitant irritable bowel syndrome were younger and had urodynamic characteristics of smaller catheter-free voided volume, lower catheter-free average flow rate, smaller bladder volume on the first desire to void, and more prevalent dysfunctional voiding than those without irritable bowel syndrome. Patients with concomitant localized myofascial pain disorder also had larger bladder volume at the first desire to void and lower pressure at maximum flow than those without co-morbid myofascial pain disorder. There were no significant differences in urodynamic parameters between bladder pain syndrome/interstitial cystitis patients with and those without other co morbidities. CONCLUSION: Bladder pain syndrome/interstitial cystitis patients, especially females, are more likely to have non-bladder co-morbidities, especially tension/migraine headache and localized myofascial pain. Bladder pain syndrome/interstitial cystitis Patients with co-morbid irritable bowel syndrome are younger and more likely to have abnormal urodynamic findings. PMID- 29223728 TI - Reply. PMID- 29223729 TI - Structure-Function Analysis of the C-Terminal Domain of the Type VI Secretion TssB Tail Sheath Subunit. AB - The type VI secretion system (T6SS) is a specialized macromolecular complex dedicated to the delivery of protein effectors into both eukaryotic and bacterial cells. The general mechanism of action of the T6SS is similar to the injection of DNA by contractile bacteriophages. The cytoplasmic portion of the T6SS is evolutionarily, structurally and functionally related to the phage tail complex. It is composed of an inner tube made of stacked Hcp hexameric rings, engulfed within a sheath and built on a baseplate. This sheath undergoes cycles of extension and contraction, and the current model proposes that the sheath contraction propels the inner tube toward the target cell for effector delivery. The sheath comprises two subunits: TssB and TssC that polymerize under an extended conformation. Here, we show that isolated TssB forms trimers, and we report the crystal structure of a C-terminal fragment of TssB. This fragment comprises a long helix followed by a helical hairpin that presents surface exposed charged residues. Site-directed mutagenesis coupled to functional assay further showed that these charges are required for proper assembly of the sheath. Positioning of these residues in the extended T6SS sheath structure suggests that they may mediate contacts with the baseplate. PMID- 29223730 TI - Characterization of a new decellularized bovine pericardial biological mesh: Structural and mechanical properties. AB - Implants made from naturally-derived biomaterials, also called biological meshes or biomeshes, typically derive from decellularized extracellular matrix of either animal or human tissue. Biomeshes have many biomedical applications such as ligament repair, bone and cartilage regeneration and soft tissue replacement. Bovine collagen is one of the most widely used and abundantly available xenogenic materials. In particular, bovine pericardium is widely used as extracellular matrix bioprosthetic tissue. The efficiency of a pericardial mesh to function as scaffold depends on the quality of the decellularization protocol used. Moreover, the biomesh mechanical features are critical for a successful surgical repair process, as they must reproduce the biological properties of the autologous tissue. Different methods of physical, chemical, or enzymatic decellularization exist, but no one has proved to be ideal. Therefore, in the present study, we developed a novel decellularization protocol for a bovine pericardium-derived biomesh. We characterized the biomesh obtained by comparing some ultrastructural, physical and mechanical features to a reference commercial biomesh. Quantification revealed that our novel decellularization process removed about 90% of the native pericardial DNA. Microscopic and ultrastructural analysis documented the maintenance of the physiological structure of the pericardial collagen. Moreover, mechanical tests showed that both the extension and resilience of the new biomesh were statistically higher than the commercial control ones. The results presented in this study demonstrate that our protocol is promising in preparing high quality bovine pericardial biomeshes, encouraging further studies to validate its use in tissue engineering and regenerative medicine protocols. PMID- 29223731 TI - Permeability of expander breast implants: In vitro and in vivo analyses. AB - INTRODUCTION: The biocompatibility of the polysiloxane breast implant has been studied moderately. The aging of these implants due to lipid penetration and the release of polymerization impurities, such as Platine or octamethylcyclotetrasiloxane (named D4), has already been documented. Since these studies, manufacturing procedures have been improved; thus, the security of breast implants has also improved. Although polymerization and the choice of monomer influence the shell properties, few studies have compared these together in breast implants. Our study compares the permeability and mechanical resistance of 3 breast expander shells after in vivo and in vitro aging. RESULTS: In vitro, all tested shells quickly sorbed linear molecules, such as fatty acids, and released siloxane impurities. The penetration of a molecule with steric hindrance, such as cholesterol, is slower. Allergan shells have the highest rates of molecule sorption and siloxane release. In vivo, after implantation, Allergan shells lost their initial mechanical properties over time. This observation was not found for mentor shells. For all brands, many biological molecules penetrate the shells, among which cholesterol and fatty acids are always present. DISCUSSION: The aging of polysiloxane shells depends on the sorption of many biological molecules and the release of siloxane impurities. The siloxanes are impurities and / or degradation products that are due to aging. Moreover, according to our results, the shells act as matrices that separate molecules according to their chemical and physical properties. CONCLUSION: Not all polysiloxane expander shells have the same properties during aging. The manufacturing procedures and the choice of siloxane monomers are the two most probative factors that explain the observed differences. PMID- 29223732 TI - A comparison of 4D flow MRI-derived wall shear stress with computational fluid dynamics methods for intracranial aneurysms and carotid bifurcations - A review. AB - BACKGROUND: 4D flow MRI is a relatively quick method for obtaining wall shear stress (WSS) in vivo, a hemodynamic parameter which has shown promise in risk stratification for rupture of cerebrovascular diseases such as intracranial aneurysms and atherosclerotic plaques. The accuracy of such measurements is still largely unknown. OBJECTIVE: To quantify the accuracy of 4D flow MRI-derived wall shear stress values for intracranial aneurysms and carotid bifurcations. METHOD: We performed a review of all original research articles which compared the magnitudes of WSS derived from 4D flow MRI with corresponding values derived from computational fluid dynamics (CFD) within both intracranial aneurysms and carotid bifurcations. RESULT: For intracranial aneurysms and carotid bifurcations, 4D flow MRI-derived WSS estimations are generally lower in magnitude compared to WSS derived by CFD methods. These differences are more pronounced in regions of higher WSS. However, the relative distributions of WSS derived from both methods are reasonably similar. CONCLUSION: Pooled analysis suggests that WSS magnitudes obtained by 4D flow MRI are underestimated, while the relative distribution is reasonably accurate, the latter being an important factor for determining the natural history of intracranial aneurysms and other cerebrovascular diseases. 4D flow MRI shows enormous potential in providing new risk stratification parameters which could have significant impact on individualized treatment decisions and improved patient outcomes. PMID- 29223733 TI - Mitochondrial pore opening and loss of Ca2+ exchanger NCLX levels occur after frataxin depletion. AB - Frataxin-deficient neonatal rat cardiomyocytes and dorsal root ganglia neurons have been used as cell models of Friedreich ataxia. In previous work we show that frataxin depletion resulted in mitochondrial swelling and lipid droplet accumulation in cardiomyocytes, and compromised DRG neurons survival. Now, we show that these cells display reduced levels of the mitochondrial calcium transporter NCLX that can be restored by calcium-chelating agents and by external addition of frataxin fused to TAT peptide. Also, the transcription factor NFAT3, involved in cardiac hypertrophy and apoptosis, becomes activated by dephosphorylation in both cardiomyocytes and DRG neurons. In cardiomyocytes, frataxin depletion also results in mitochondrial permeability transition pore opening. Since the pore opening can be inhibited by cyclosporin A, we show that this treatment reduces lipid droplets and mitochondrial swelling in cardiomyocytes, restores DRG neuron survival and inhibits NFAT dephosphorylation. These results highlight the importance of calcium homeostasis and that targeting mitochondrial pore by repurposing cyclosporin A, could be envisaged as a new strategy to treat the disease. PMID- 29223734 TI - Activation of the EPOR-beta common receptor complex by cibinetide ameliorates impaired wound healing in mice with genetic diabetes. AB - Diabetes is characterized by poor wound healing which currently lacks an efficacious treatment. The innate repair receptor (IRR) is a master regulator of tissue protection and repair which is expressed as a response injury or metabolic stress, including in diabetes. Activation of the IRR might provide benefit for diabetic wound healing. A specific IRR agonist cibinetide was administered in an incisional wound healing model performed mice with genetic diabetes (db+/db+) and compared to the normal wild-type. Animals were treated daily with cibinetide (30MUg/kg/s.c.) or vehicle and euthanized 3, 7, and 14days after the injury to quantitate vascular endothelial growth factor (VEGF), malondialdehyde (MAL), phospho-Akt (pAkt), phospho e-NOS (p-eNOS), and nitrite/nitrate content within the wound. Additional evaluations included quantification of skin histological change, angiogenesis, scar strength, and time to complete wound closure. Throughout the wound healing process diabetic animals treated with vehicle exhibited increased wound MAL with reduced VEGF, pAkt, peNOS and nitrite/nitrate, all associated with poor re-epitheliziation, angiogenesis, and wound breaking strength. Cibenitide administration significantly improved these abnormalities. The results suggest that cibinetide-mediated IRR activation may represent an interesting strategy to treat diabetes-associated wound healing. PMID- 29223736 TI - Transepithelial transfer of phenanthrene, but not of benzo[a]pyrene, is inhibited by fatty acids in the proximal intestine of rainbow trout (Oncorhynchus mykiss). AB - The inclusion of vegetable oils in aquafeeds introduces contaminating polycyclic aromatic hydrocarbons (PAHs) in salmonids. Since lipophilic PAHs solubilize in micelles composed of lipids, bile salts and fatty acids, dietary lipid composition can alter intestinal transepithelial PAH transfer. We studied the uptake of two PAHs, viz. benzo[a]pyrene (BaP) and phenanthrene (PHE), in rainbow trout (Oncorhynchus mykiss) intestine. We also investigated the effects of two fatty acids, viz. fish oil-derived eicosapentaenoic acid (EPA, 20:5n-3) and vegetable oil-derived oleic acid (18:1n-9) on intestinal uptake. Radiolabeled PAHs were solubilized in micelles composed of tritiated EPA and oleic acid, respectively, and administrated to intestinal segments mounted in Ussing chambers. In the absence of micelles, PHE accumulation was two times higher than BaP in the mucosal and serosal layers of proximal and distal intestine. Administration of PHE in micelles composed of oleic acid resulted in a 50% lower accumulation of PHE in the mucosal layers of the proximal intestine compared to EPA-composed micelles. Accumulation of EPA and oleic acid in the proximal intestinal mucosa correlated negatively with the transepithelial transfer of these fatty acids across the proximal intestinal epithelium. Transepithelial PHE transfer across the proximal intestine was reduced by 30% in co-exposure with EPA composed micelles compared to 80% with oleic acid micelles. BaP was not transferred across the intestine. We conclude that the lipid composition of an aquafeed is an important determinant of PAH bioavailability. Therefore, lipid composition should be an important consideration in choosing vegetable oils as alternatives for fish oil in aquafeeds. PMID- 29223735 TI - Targeting secreted cytokine BMP9 gates the attenuation of hepatic fibrosis. AB - Liver fibrosis is overly exuberant wound healing that leads to portal hypertension or liver cirrhosis. Recent studies have demonstrated the functions of bone morphogenetic protein 9 (BMP9) in liver fibrosis, and thus, targeting liver-specific BMP9 abnormalities will become an attractive approach for developing therapeutics to treat liver fibrosis. Here, we reveal that BMP9 serves as a valuable serum diagnostic indicator and efficient therapeutic target to attenuate liver fibrogenesis. Our analysis of biopsies from liver fibrotic patients revealed that higher BMP9 levels accompanied advanced stages of liver fibrosis. In mouse models, recombinant Bmp9 overexpression accelerated liver fibrosis, and adenovirus-mediated Bmp9 knockdown attenuated liver fibrogenesis. Intriguingly, BMP9 directly stimulated hepatic stellate cell activation via the SMAD signaling pathway to enhance hepatic fibrosis. Moreover, an inhibitory monoclonal antibody targeting Bmp9 was efficacious in treatment of mice with liver fibrosis. These observations delineate a novel model in which BMP9 directly drives SMAD/ID1 signaling in hepatic stellate cells, which modulates liver fibrogenesis development. Moreover, the findings unveil a promising surrogate biomarker for the diagnosis of hepatic fibrosis, thereby representing an efficient "BMP9 neutralization" approach in alleviating hepatic fibrosis. PMID- 29223737 TI - Synthesis and characterization of small-sized gold nanoparticles coated by bovine serum albumin (BSA) for cancer photothermal therapy. AB - In the present study, small gold nanoparticles <5 nm coated with natural protein Bovine Serum Albumin (BSA) was synthesized and characterized using UV-vis spectrophotometer, Dynamic Light Scattering (DLS), Transmission Electron Microscopy (TEM), zeta potential and scanning electron microscopy (SEM). Three types of cancer cell lines; Rhabdomyosarcoma (RD), Murine fibroblast (L20B) and RAW 264.7 monocyte-macrophage (MQ) were tested and treated by photothermal strategy, in vitro, by conjugating BSA-AuNPs complex of (0.125, 0.25, 0.5 and 1 mg/ml) concentrations with continuous low power laser irradiation, green (532 nm) and near-infrared (NIR) (800 nm) at 0.5, 1, 2 and 3 min, separately. Cytotoxicity effect was determined by MTT assay. The vital impact of photothermal technique has investigated at 1 mg/ml and 3 min irradiation period as identified in RD cell line in comparison with other types; where cytotoxicity more than 74% was reached. Prominent results were demonstrated in the green and NIR region by pH induced aggregation effect of small nanoparticles inside the cancer cells, which make the small-sized BSA-AuNPs are promising agents for cancer photothermal therapy. PMID- 29223738 TI - The applicability of fluorescence guided detection to epithelial dysplasia and oral cancer. PMID- 29223740 TI - Statistical models for brain signals with properties that evolve across trials. AB - Most neuroscience cognitive experiments involve repeated presentations of various stimuli across several minutes or a few hours. It has been observed that brain responses, even to the same stimulus, evolve over the course of the experiment. These changes in brain activation and connectivity are believed to be associated with learning and/or habituation. In this paper, we present two general approaches to modeling dynamic brain connectivity using electroencephalograms (EEGs) recorded across replicated trials in an experiment. The first approach is the Markovian regime-switching vector autoregressive model (MS-VAR) which treats EEGs as realizations of an underlying brain process that switches between different states both within a trial and across trials in the entire experiment. The second is the slowly evolutionary locally stationary process (SEv-LSP) which characterizes the observed EEGs as a mixture of oscillatory activities at various frequency bands. The SEv-LSP model captures the dynamic nature of the amplitudes of the band-oscillations and cross-correlations between them. The MS-VAR model is able to capture abrupt changes in the dynamics while the SEv-LSP directly gives interpretable results. Moreover, it is nonparametric and hence does not suffer from model misspecification. For both of these models, time-evolving connectivity metrics in the frequency domain are derived from the model parameters for both functional and effective connectivity. We illustrate these two models for estimating cross-trial connectivity in selective attention using EEG data from an oddball paradigm auditory experiment where the goal is to characterize the evolution of brain responses to target stimuli and to standard tones presented randomly throughout the entire experiment. The results suggest dynamic changes in connectivity patterns over trials with inter-subject variability. PMID- 29223739 TI - Domain-general and domain-specific neural changes underlying visual expertise. AB - Visual expertise induces changes in neural processing for many different domains of expertise. However, it is unclear how expertise effects for different domains of expertise are related. In the present fMRI study, we combine large-scale univariate and multi-voxel analyses to contrast the expertise-related neural changes associated with two different domains of expertise, bird expertise (ornithology) and mineral expertise (mineralogy). Results indicated distributed expertise-related neural changes, with effects for both domains of expertise in high-level visual cortex and effects for bird expertise even extending to low level visual regions and the frontal lobe. Importantly, a multivariate generalization analysis showed that effects in high-level visual cortex were specific to the domain of expertise. In contrast, the neural changes in the frontal lobe relating to expertise showed significant generalization, signaling the presence of domain-independent expertise effects. In conclusion, expertise is related to a combination of domain-specific and domain-general changes in neural processing. PMID- 29223741 TI - Predict, then simplify. AB - The desire to understand a given phenomenon is at the core of a scientist's mission. Yet what is meant by "understanding"? As soon as we try to operationalize this concept, I argue that understanding amounts to building models of a set of related empirical phenomena. In this commentary, I discuss three such criteria, namely, predictability, simplicity, and computability, that I find useful in guiding the quest for better models and what they imply for the use of deep nets in brain research. PMID- 29223742 TI - Network analysis reveals disrupted functional brain circuitry in drug-naive social anxiety disorder. AB - Social anxiety disorder (SAD) is a common and disabling condition characterized by excessive fear and avoidance of public scrutiny. Psychoradiology studies have suggested that the emotional and behavior deficits in SAD are associated with abnormalities in regional brain function and functional connectivity. However, little is known about whether intrinsic functional brain networks in patients with SAD are topologically disrupted. Here, we collected resting-state fMRI data from 33 drug-naive patients with SAD and 32 healthy controls (HC), constructed functional networks with 34 predefined regions based on previous meta-analytic research with task-based fMRI in SAD, and performed network-based statistic and graph-theory analyses. The network-based statistic analysis revealed a single connected abnormal circuitry including the frontolimbic circuit (termed the "fear circuit", including the dorsolateral prefrontal cortex, ventral medial prefrontal cortex and insula) and posterior cingulate/occipital areas supporting perceptual processing. In this single altered network, patients with SAD had higher functional connectivity than HC. At the global level, graph-theory analysis revealed that the patients exhibited a lower normalized characteristic path length than HC, which suggests a disorder-related shift of network topology toward randomized configurations. SAD-related deficits in nodal degree, efficiency and participation coefficient were detected in the parahippocampal gyrus, posterior cingulate cortex, dorsolateral prefrontal cortex, insula and the calcarine sulcus. Aspects of abnormal connectivity were associated with anxiety symptoms. These findings highlight the aberrant topological organization of functional brain network organization in SAD, which provides insights into the neural mechanisms underlying excessive fear and avoidance of social interactions in patients with debilitating social anxiety. PMID- 29223743 TI - Early vs. late tracheostomy in intensive care settings: Impact on ICU and hospital costs. AB - INTRODUCTION: Up to 12% of the 800,000 patients who undergo mechanical ventilation in the United States every year require tracheostomies. A recent systematic review showed that early tracheostomy was associated with better outcomes: more ventilator-free days, shorter ICU stays, less sedation and reduced long-term mortality. However, the financial impact of early tracheostomies remain unknown. OBJECTIVES: To conduct a cost-analysis on the timing of tracheostomy in mechanically ventilated patients. METHODS: We extracted individual length of hospital stay and length of ICU stay data from the studies included in the systematic review from Hosokawa et al. We also searched for any recent randomized control trials on the topic that were published after this review. The weighted length of stay was estimated using a random effects model. Average daily hospital and ICU costs per patients were obtained from a cost study by Kahn et al. We estimated hospital and ICU costs by multiplying LOS with respective average daily cost per patient. We calculated difference in costs by subtracting hospital costs, ICU costs and total direct variable costs from early tracheotomy to late tracheotomy. 95% confidence intervals were estimated using bootstrap re-sampling procedures with 1000 iterations. RESULTS: The average weighted cost of ICU stay in patients with an early tracheostomy was $4316 less when compared to patients with late tracheostomy (95% CI: 403-8229). Subgroup analysis revealed that very early tracheostomies (<4days) cost on average $3672 USD less than late tracheostomies (95% CI: -1309, 10,294) and that early tracheostomies (<10days but >4) cost on average $6385 USD less than late tracheostomies (95% CI: -4396 17,165). CONCLUSION: This study shows that early tracheostomy can significantly reduce direct variable and likely total hospital costs in the intensive care unit based on length of stay alone. This is in addition to the already shown benefits of early tracheostomy in terms of ventilator dependent days, reduced length of stays, decreased pain, and improved communication. Further prospective studies on this topic are needed to prove the cost-effectiveness of early tracheostomy in the critically ill population. PMID- 29223744 TI - Effect of various antipsychotic regimens on incidence of delirium in critically ill adults. AB - PURPOSE: Delirium is common during critical illness but it is unknown whether the choice of antipsychotic or dosing strategy impacts delirium outcomes. We evaluated the incidence of delirium in critically ill adults receiving different antipsychotic regimens. MATERIALS AND METHODS: Single center retrospective cohort study of adult patients admitted to the intensive care unit (ICU). Patients who received haloperidol or quetiapine and scored negative on the Confusion Assessment Method for the ICU (CAM-ICU) prior to initiation were included. Patients were divided into four groups based on dosing schedule of the antipsychotic. The primary outcomes were the incidence and duration of delirium. RESULTS: Eighty patients were included in the study. Patients received scheduled quetiapine (35%), PRN haloperidol (55%), and PRN quetiapine (10%). The overall incidence of delirium in patients receiving antipsychotics was 39%. The incidence of delirium was similar between the scheduled quetiapine group, PRN haloperidol and PRN quetiapine groups, at 39%, 50% and 36%, respectively (p=0.79). The scheduled quetiapine group had a longer time to first episode of delirium, but this was not statistically significant (11days vs 4.8days vs 5.6days; p=0.20). CONCLUSIONS: There was no difference in incidence or duration of delirium between quetiapine and haloperidol regimens. PMID- 29223746 TI - BCAP promotes osteoclast differentiation through regulation of the p38-dependent CREB signaling pathway. AB - Many studies have determined that PI3K-Akt signaling pathways play important roles in osteoclast differentiation and function. In the present study, we investigated the roles of B-cell adaptor for PI3K (BCAP), which is a PI3K binding molecule, in osteoclasts. Overexpression of BCAP in osteoclast precursor cells enhanced osteoclast differentiation induced by tumor necrosis factor alpha (TNF alpha) as well as receptor activator of nuclear factor-kappaB ligand (RANKL). Conversely, osteoclast differentiation mediated by both cytokines was attenuated when BCAP expression was downregulated using small interfering RNA. Notably, BCAP induced Akt activation only upon stimulation by RANKL, but not by TNF-alpha. However, BCAP activated p38-dependent cAMP response element-binding protein (CREB) phosphorylation induced by both RANKL and TNF-alpha. Collectively, we showed that BCAP plays an important role in osteoclast differentiation by regulating the p38-dependent CREB signaling pathway, and that BCAP might be a new therapeutic target for bone diseases. PMID- 29223745 TI - Buparlisib plus fulvestrant in postmenopausal women with hormone-receptor positive, HER2-negative, advanced breast cancer progressing on or after mTOR inhibition (BELLE-3): a randomised, double-blind, placebo-controlled, phase 3 trial. AB - BACKGROUND: Activation of the PI3K/AKT/mTOR pathway occurs frequently in breast cancer that is resistant to endocrine therapy. Approved mTOR inhibitors effectively inhibit cell growth and proliferation but elicit AKT phosphorylation via a feedback activation pathway, potentially leading to resistance to mTOR inhibitors. We evaluated the efficacy and safety of buparlisib plus fulvestrant in patients with advanced breast cancer who were pretreated with endocrine therapy and mTOR inhibitors. METHODS: BELLE-3 was a randomised, double-blind, placebo-controlled, multicentre, phase 3 study. Postmenopausal women aged 18 years or older with histologically or cytologically confirmed hormone-receptor positive, HER2-negative, locally advanced or metastatic breast cancer, who had relapsed on or after endocrine therapy and mTOR inhibitors, were recruited from 200 trial centres in 22 countries. Eligible patients were randomly assigned (2:1) via interactive response technology (block size of six) to receive oral buparlisib (100 mg per day) or matching placebo starting on day 1 of cycle 1, plus intramuscular fulvestrant (500 mg) on days 1 and 15 of cycle 1 and on day 1 of subsequent 28-day cycles. Randomisation was stratified by visceral disease status. The primary endpoint was progression-free survival by local investigator assessment as per the Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1 in the full analysis population (all randomised patients, by intention-to-treat). Safety was analysed in all patients who received at least one dose of treatment and at least one post-baseline safety assessment. This study is registered with ClinicalTrials.gov, number NCT01633060, and is ongoing but no longer enrolling patients. FINDINGS: Between Jan 15, 2013, and March 31, 2016, 432 patients were randomly assigned to the buparlisib (n=289) or placebo (n=143) groups. Median progression-free survival was significantly longer in the buparlisib versus placebo group (3.9 months [95% CI 2.8-4.2] vs 1.8 months [1.5 2.8]; hazard ratio [HR] 0.67, 95% CI 0.53-0.84, one-sided p=0.00030). The most frequent grade 3-4 adverse events in the buparlisib versus placebo group were elevated alanine aminotransferase (63 [22%] of 288 patients vs four [3%] of 140), elevated aspartate aminotransferase (51 [18%] vs four [3%]), hyperglycaemia (35 [12%] vs none), hypertension (16 [6%] vs six [4%]), and fatigue (ten [3%] vs two [1%]). Serious adverse events were reported in 64 (22%) of 288 patients in the buparlisib group versus 23 (16%) of 140 in the placebo group; the most frequent serious adverse events (affecting >=2% of patients) were elevated aspartate aminotransferase (six [2%] vs none), dyspnoea (six [2%] vs one [1%]), and pleural effusion (six [2%] vs none). On-treatment deaths occurred in ten (3%) of 288 patients in the buparlisib group and in six (4%) of 140 in the placebo group; most deaths were due to metastatic breast cancer, and two were considered treatment-related (cardiac failure [n=1] in the buparlisib group and unknown reason [n=1] in the placebo group). INTERPRETATION: The safety profile of buparlisib plus fulvestrant does not support its further development in this setting. Nonetheless, the efficacy of buparlisib supports the rationale for the use of PI3K inhibitors plus endocrine therapy in patients with PIK3CA mutations. FUNDING: Novartis Pharmaceuticals Corporation. PMID- 29223747 TI - An automated high-throughput system for phenotypic screening of chemical libraries on C. elegans and parasitic nematodes. AB - Parasitic nematodes infect hundreds of millions of people and farmed livestock. Further, plant parasitic nematodes result in major crop damage. The pipeline of therapeutic compounds is limited and parasite resistance to the existing anthelmintic compounds is a global threat. We have developed an INVertebrate Automated Phenotyping Platform (INVAPP) for high-throughput, plate-based chemical screening, and an algorithm (Paragon) which allows screening for compounds that have an effect on motility and development of parasitic worms. We have validated its utility by determining the efficacy of a panel of known anthelmintics against model and parasitic nematodes: Caenorhabditis elegans, Haemonchus contortus, Teladorsagia circumcincta, and Trichuris muris. We then applied the system to screen the Pathogen Box chemical library in a blinded fashion and identified compounds already known to have anthelmintic or anti-parasitic activity, including tolfenpyrad, auranofin, and mebendazole; and 14 compounds previously undescribed as anthelmintics, including benzoxaborole and isoxazole chemotypes. This system offers an effective, high-throughput system for the discovery of novel anthelmintics. PMID- 29223749 TI - No. 356-Egg Freezing for Age-Related Fertility Decline. AB - OBJECTIVE: To provide a comprehensive review and evidence based recommendations for Canadian fertility centres that offer social egg freezing. OUTCOMES: In social egg freezing cycles we evaluated thawed oocyte survival rates, fertilization rates, embryo quality, pregnancy rates, and live birth rates. We also review how these outcomes are impacted by age, ovarian reserve, and the number of eggs cryopreserved. Finally, we discuss the risks of social egg freezing, the alternatives, the critical elements for counselling and informed consent, and future reporting of egg freezing outcome data. EVIDENCE: Published literature was reviewed through searches of MEDLINE and CINAHL using appropriate vocabulary and using key words ("oocyte cryopreservation," "egg freezing," "egg vitrification," "social egg freezing," and "elective egg freezing"). Results included systematic reviews, randomized controlled trials, controlled clinical trials, and observational studies. Expert opinion based on clinical experience, descriptive studies, or reports of expert committees was also included to discuss aspects of egg freezing not currently rigorously studied. VALUES: The evidence obtained was reviewed and evaluated by the Clinical Practice Guideline (CPG) Committees of the Canadian Fertility and Andrology Society (CFAS) under the leadership of the principal authors. BENEFITS, HARMS, AND COSTS: Implementation of this guideline should assist the clinician to develop an optimal approach in providing counselling for egg freezing while minimizing harm and improving patient outcomes during treatment. VALIDATION: These guidelines have been reviewed and approved by the membership of the CFAS and by the CPG Committees of CFAS and The Society of Obstetricians and Gynaecologists of Canada (SOGC). SPONSORS: CFAS and SOGC. RECOMMENDATIONS: PMID- 29223748 TI - Is tricuspid annuloplasty increasing surgical mortality and morbidity during mitral valve replacement? A single-centre experience. AB - BACKGROUND: Performance of tricuspid annuloplasty (TA) in patients undergoing mitral valve surgery is recommended based on the degree of tricuspid regurgitation and tricuspid annulus size, but is often underused. AIM: To evaluate the impact of combined TA on in-hospital outcome in patients undergoing mitral valve replacement (MVR). METHODS: We selected all consecutive patients who underwent MVR for native valve disease. Clinical, echocardiographic and in hospital complications were obtained from chart review. RESULTS: We identified 287 patients (mean age 62+/-17 years; 44% men). Combined TA was performed in 165 patients (57%), who had more rheumatic disease (71% vs. 24%; P<0.0001) and mitral stenosis (55% vs. 22%; P<0.0001), but less endocarditis (4% vs. 31%; P<0.0001), were more often in atrial fibrillation (54% vs. 22%; P<0.0001), were more severely symptomatic (80% vs. 57%; P<0.0001), presented with a higher systolic pulmonary artery pressure (SPAP) (53+/-16 vs. 45+/-15mmHg; P=0.0002) and were less likely to have required emergency surgery (17% vs. 38%; P<0.0001). Despite this higher risk profile, in-hospital mortality was slightly lower (5% vs. 13%; P=0.02) and complication rates were similar (redo surgery 22% vs. 16% [P=0.18] and tamponade 20% vs. 15% [P=0.15]). After adjustment for age, sex, functional class, SPAP, emergency surgery and concomitant coronary artery bypass graft or aortic valve replacement surgery, combined TA was not associated with an increased rate of in-hospital death (P=0.08) or major complications (P=0.89). CONCLUSIONS: In a consecutive series of patients who underwent MVR, TA did not seem to have a negative impact on immediate outcome. Hence, additional performance of TA at the time of MVR should not be declined on the basis of an increased surgical risk. PMID- 29223750 TI - Choosing Pre-conception Planning for Women/Families: Counselling and Informed Consent (Part 2) - Pre-conception Reproductive Planning, Lifestyle, Immunization, and Psychosocial Issues. AB - OBJECTIVE: To inform reproductive and other health care providers about pre conception evaluation, including considerations for reproductive planning, lifestyle modification, immunization status and attitudes, and psychosocial issues. OPTIONS: This counselling information can be used for patient education and planning and possible pre-conception and/or prenatal testing. OUTCOMES: This information may allow for improved risk assessment when pre-conception counselling for individual patients and their families is used. CONSIDERATIONS FOR PRE-CONCEPTION CARE (PART 2) REGARDING PRE-CONCEPTION REPRODUCTIVE PLANNING, LIFESTYLE, IMMUNIZATIONS, AND PSYCHOSOCIAL ISSUES: CONSIDERATION FOR CARE STATEMENTS: For this review article, the Consideration for Care Statements use the Grading of Recommendations, Assessment, Development and Evaluations strength and quality principles because they are comparable for the clinician and the patient/public user. For example, "Strong" for clinicians is defined as "the recommendation would apply to most individuals. Formal discussion aids are not likely to be needed to help individuals make decisions consistent with their values and preferences." For patients/the public, "Strong" is defined as, "we believe most people in this situation would want the recommended course of actions and only a small number would not." Quality of evidence (High, Moderate, Low) is based on the confidence that the true effect lies close to that of the estimate of the effect. In addition, the Canadian Task Force on Preventive Health Care key to evidence statements and grading of recommendations are included. EVIDENCE: PubMed, Medline, and the Cochrane Database were searched until May 2017, using appropriate key words (i.e., preconception, reproductive planning, lifestyle modification, immunization risks and benefits, psychosocial pregnancy factors/issues). Grey (unpublished) literature was identified through searching websites of health technology assessment and health technology assessment-related agencies, clinical practice guideline collections, and national and international medical specialty societies. BENEFITS, HARMS, AND COSTS: The benefits for the patient and her family from receiving this pre-conception counseling would include an increased understanding of the relevant issues for both pre-conception and in early pregnancy as well as better pregnancy outcomes. Harm includes potential increased anxiety or psychological stress associated with the possibility of identifying maternal pregnancy risks. PMID- 29223751 TI - Preparation, deproteinization, characterisation, and antioxidant activity of polysaccharide from cucumber (Cucumis saticus L.). AB - Preparation, deproteinization and antioxidant activity of polysaccharide from cucumber (Cucumis saticus L.) were investigated. The crude cucumber polysaccharide was extracted by hydrothermal method. It showed that the trichloroacetic acid (TCA) method had the higher deproteinization percentage, but a little higher polysaccharide loss percentage than the CaCl2 method. The cucumber polysaccharide is linked by the beta-glycosidic linkage. It consisted of d-glucose, d-mannose, d-galactose, l-rhamnose, d-xylose, l-arabinose, d glucuronic acid, and d-galacturonic acid. Their mole ratio was 6.00:4.03:8.31:2.82:2.75:6.60:1.05:5.79. Moreover, it proved that the cucumber polysaccharide had high scavenging ability to superoxide anions. PMID- 29223752 TI - A novel low molecular weight Enteromorpha polysaccharide-iron (III) complex and its effect on rats with iron deficiency anemia (IDA). AB - Iron deficiency anemia (IDA) is a common nutritional disease that affects normal erythropoiesis. Traditional iron supplements usually cause gastrointestinal irritation. In this study, a novel low-molecular-weight polysaccharide from Enteromorpha prolifera (LPE) was prepared by oxidation degradation, and LPE-iron (III) complex was synthesized and characterized. The molecular weight of LPE-iron (III) complex was 21.25kDa, and iron content was 25%. The therapeutic effects of LPE-iron (III) complex on IDA were investigated in rats. The hematological indices and organ coefficients of the rats were analyzed. Results showed a dose dependent relationship, and a prior intragastric administration of LPE-iron (III) complex (2mg Fe/kg body weight) exhibited considerable effect when compared with the positive control. Therefore, LPE-iron (III) complex could be exploited as a new iron fortifier. PMID- 29223753 TI - Preparation and characterization of biocomposite film based on chitosan and kombucha tea as active food packaging. AB - An active film composed of chitosan and kombucha tea (KT) was successfully prepared using the solvent casting technique. The effect of incorporation of KT at the levels 1%-3% w/w on the physical and functional properties of chitosan film was investigated. The antimicrobial activity of chitosan/KT film against Escherichia coli and Staphylococcus aureus was evaluated using agar diffusion test, and its antioxidant activity was determined using DPpH assay. The results revealed that incorporation of KT into chitosan films improved the water vapor permeability (from 256.7 to 132.1gcm-2h-1KPa-1mm) and enhanced the antioxidant activity of the latter up to 59% DPpH scavenging activity. Moreover, the incorporation of KT into the chitosan film increased the protective effect of the film against ultra violet (UV). Fourier transform infrared spectroscopic analysis revealed the chemical interactions between chitosan and the polyphenol groups of KT. In a minced beef model, chitosan/KT film effectively served as an active packaging and extended the shelf life of the minced beef as manifested in the retardation of lipid oxidation and microbial growth from 5.36 to 2.11logcfugr-1 in 4days storage. The present work demonstrates that the chitosan/KT film not only maintains the quality of the minced beef but also, retards microbial growth significantly, extending the shelf life of the minced beef meat up to 3days; thus, chitosan/KT film is a potential material for active food packaging. PMID- 29223754 TI - The application of magnetically modified bacterial cellulose for immobilization of laccase. AB - The usefulness of bacterial cellulose (BC), obtained from the cultures of Komagataeibacter xylinus exposed to rotating magnetic field (RMF), as a carrier for laccase immobilization was investigated in this study. It was found that the highest yield of laccase immobilization (>70%) was achieved in pH of 4.0 and this value was optimal in the case of both types of cellulose carriers applied. The pH equals 4.0 was also the optimal one with regard to immobilized enzymes' activity, while in case of free laccase, optimal pH value was 3.0. Process of immobilization had an impact on enzyme's optimal temperatures: while free laccase and laccase bound to RMF-unexposed cellulose was the most effective at 60 degrees C, optimal activity of enzyme immobilized on RMF-exposed carrier was reached at 70 degrees C. Laccase immobilized on both type of carriers had also better thermal stability at 70 degrees C compared to free laccase. After 8 cycles of use, laccase immobilized on RMF-exposed BC remained more active than laccase immobilized on RMF-unexposed BC (65% vs. 50% of initial activity, respectively). Our results indicate that RMF-modified BC may be successfully used as a carrier for the laccase immobilization. PMID- 29223755 TI - In situ biomineralization by silkworm feeding with ion precursors for the improved mechanical properties of silk fiber. AB - Possessing excellent biocompatibility, biodegradability and good reactive activity, silk fiber has been attracting great attention in biomedicine including surgical suture, drug delivery and tissue engineering. So far, several protocols have been developed to further improve the mechanical properties of the silk fiber. In current study, a novel in suit biomineralization strategy was developed to produce nano-hydroxyapatite (HA) strengthened silk fiber based on the natural alkaline condition in the body of silkworm by feeding the silkworm with ion precursors of Ca2+ and PO43- ions. Our observation proved that nanocomposite silk fiber contained more alpha-helix and random coil structures and fewer beta sheets. Tensile test showed that such obtained silk fiber has superior mechanical properties compared to normal silk fiber. To the best of our knowledge, no attempts have been made to fabricate the nanocomposite SF by in situ biomineralization and such protocol established in the current study may shed light on the investigation of nanoparticles reinforced silk fiber organisms of Bombyx mori. PMID- 29223756 TI - Microneedles: A versatile strategy for transdermal delivery of biological molecules. AB - Human skin is made up of multiple layers and is designed to protect the human body. The stratum corneum (SC), specifically, is a keratinized layer of skin through which molecules heavier than 500 Da cannot penetrate. Traditional methods of transdermal drug delivery through the SC, such as hypodermic needles, are less than ideal because their size and appearance can cause fear and pain, creating hesitation, limiting self-administration, and preventing their use in some patients altogether. A new technology has been developed to address these limitations, in which an array of needles, each microns in diameter and length, called microneedles, are able to pierce the skin's SC to deliver therapeutic agents without stimulating the proprioceptive pain nerves. These needles provide a strong advantage because they are capable of being incorporated into patches that can be conveniently self-administered by patients, while also offering the same bioabsorption and bioavailability currently provided by hypodermic needles. There have been many advancements in microneedle fabrication, and there are currently many variations of microneedle technology. Therefore, the purpose of this review is to provide a broad, introductory summary of current microneedle technology. PMID- 29223757 TI - Recent advances in carbon nanotube based electrochemical biosensors. AB - There is an increasing need for rapid, low cost, reusable, reliable and sensitive detection systems for diagnosing infectious diseases, metabolic disorders, rapidly advancing cancers and detecting the presence of environmental pollutants. Most traditional methods are invasive, slow, expensive and laborious, requiring highly specialized instruments. Introduction of biosensors with nanomaterials as transducers of signals have helped in removing the disadvantages associated with traditional detectors. The properties of high mechanical strength, better electrical conductivity and ability to serve as efficient signal transducers make carbon nanotubes (CNTs) ideal material for biosensor applications among the gamut of nanomaterials. Further, CNTs with their high surface areas, easily functionalizable surfaces for receptor immobilization are gaining importance in the construction of biosensors. The expanding field of CNTs bridges the physical sciences with biology, as chemical methods are employed to develop novel tools and platforms for understanding biological systems, in disease diagnosis and treatment. This review presents recent advances in surface functionalization of CNTs necessary for immobilization of enzymes and antibodies for biosensor applications and the methodologies used for the detection of a number of chemical and biological species. The review ends with a speculation on future prospects for CNTs in biology and medicine. PMID- 29223758 TI - Biosynthesis and structural characterization of polyhydroxyalkanoates produced by Pseudomonas aeruginosa ATCC 27853 from long odd-chain fatty acids. AB - Pseudomonas aeruginosa ATCC 27853 was cultured on media containing long odd-chain fatty acids. Heptadecanoic, nonadecanoic, and heneicosanoic acids sustained cell growth and resulted in polyhydroxyalkanoate (PHA) accumulation when culturing was conducted under nitrogen starvation conditions. No PHA was produced using a complete or magnesium-deprived medium. The isolated polyesters were characterized by gas chromatography and liquid chromatography-electrospray ionization mass spectrometry (ESI-MS) of methanolyzed samples, 1H and 13C NMR spectroscopy, gel permeation chromatography, ESI MS of partially pyrolyzed samples, and differential scanning calorimetry. These PHAs are composed of seven different odd chain repeating units starting from 3-hydroxyvalerate, with the highest species being the, to date, unreported constituent 3-hydroxyheptadecanoate, and minor amounts of 2 or 3 even-chain comonomers. The PHAs are soft, sticky, rubber-like materials having glass transition temperatures between -45 and -39 degrees C, melting temperatures between 48 and 52 degrees C, enthalpies of melting around 11J/g, and molar masses ranging from 77 to 188kg/mol. Statistical analysis of the ESI mass spectra of the products of their partial pyrolysis showed that they are pure copolymers and not a blend of copolymers or homopolymers. PMID- 29223759 TI - Methotrexate loaded gellan gum microparticles for drug delivery. AB - Recently, polysaccharides based microparticles have been found to offer an attractive potential as a carrier in drug delivery field. In this study, bare gellan gum microparticles (GG MPs) and methotrexate (MTX) loaded gellan gum microparticles (MTX-GG MPs) prepared by using simple water-in-oil (W/O) emulsion solvent diffusion method. The developed microparticles (MPs) were found discretely distributed in a spherical shape. MTX has been encapsulated in microparticles with 84.8 +/- 1.68% encapsulation efficiency (%EE) and 6.45 +/- 0.07% loading capacity (%LC). The Fourier Transform Infrared Spectroscopy (FTIR) characterization of the MPs clearly indicated the physical encapsulation of MTX into polymeric matrix of MPs. Thermogravimetric analysis (TGA) characterization showed slightly higher thermal stability of MTX-GG MPs in comparison to the GG MPs. In vitro release study of MTX-GG MPs showed 84% drug release within 24 h. The hemolysis study of GG MPs and MTX-GG MPs on human red blood cells (RBCs) showed <1.0% hemolysis. The cell viability studies on L929 showed GG MPs, and MTX GG MPs are biocompatible. PMID- 29223760 TI - Down the local: A qualitative case study of daytime drinking spaces in the London Borough of Islington. AB - BACKGROUND: Recognising the lack of research on daytime drinking practices in areas with managed night-time economies (NTEs), this qualitative study explores the phenomena in the London Borough of Islington; a rapidly gentrifying area with a highly regulated night-time economy (NTE). The objectives were to (i) Characterise the daytime drinking spaces of the local alcohol environment and (ii) Theorise the ways in which these spaces, and the practices and performativities within them, are situated within broader social and economic trends. METHODS: Adopting a legitimate peripheral participation approach to data collection, 39 licensed premises were visited in Islington and on-site observations carried out between the hours of 12 pm and 6 pm using a semi structured observation guide. Observations were written-up into detailed fieldnotes, uploaded to NVivo and subject to a thematic analysis. FINDINGS: The daytime on-premises alcohol environment was characterised by two main trends: the decline of traditional pubs and a proliferation of hybrid establishments in which alcohol was framed as part of a suite of attractions. The consumption trends that the latter exemplify are implicated in processes of micro-cultural production and 'hipster capitalism'; and it is via this framing that we explore the way the diverse local drinking spaces were gendered and classed. Hybrid establishments have been regarded as positive in terms of public health, crime and safety. However, they could also help introduce drinking within times and contexts where it was not previously present. CONCLUSION: The intersection of an expanding hipster habitus with Local Authority efforts to tackle 'determined drunkenness' create very particular challenges. The operating practices of hybrid venues may feed into current alcohol industry strategies of promoting 'new moments' in which consumers can drink. They blur the divisions between work and play and produce temporal and classed divisions of drinking. PMID- 29223761 TI - Chemsex, risk behaviours and sexually transmitted infections among men who have sex with men in Dublin, Ireland. AB - BACKGROUND: Drug use for or during sex ('chemsex') among MSM has caused concern, because of the direct effects of the drugs themselves, and because of an increased risk of transmission of sexually transmitted infections (STIs). This study aimed to assess the prevalence of chemsex, associated behaviours and STIs among attendees at Ireland's only MSM-specific sexual health clinic in Dublin over a six week period in 2016. METHODS: The questionnaire collected demographic data, information on sexuality and sexual practice, self-reported history of treatment for STIs, and chemsex use. Key variables independently associated with treatment for STIs over the previous 12 months were identified using multivariable logistic regression. RESULTS: The response rate was 90% (510/568). One in four (27%) reported engaging in chemsex within the previous 12 months. Half had taken >=2 drugs on his last chemsex occasion. One in five (23%) reported that they/their partners had lost consciousness as a result of chemsex. Those engaging in chemsex were more likely to have had more sexual partners(p<0.001), more partners for anal intercourse (p<0.001) and to have had condomless anal intercourse(p=0.041). They were also more likely to report having been treated for gonorrhoea over the previous 12 months (adjusted OR 2.03, 95% CI 1.19-3.46, p=0.009). One in four (25%) reported that chemsex was impacting negatively on their lives and almost one third (31%) reported that they would like help or advice about chemsex. CONCLUSION: These results support international evidence of a chemsex culture among a subset of MSM. They will be used to develop an effective response which simultaneously addresses addiction and sexual ill-health among MSM who experience harm/seek help as a consequence of engagement in chemsex. PMID- 29223762 TI - Radioactivity levels in the atomic mineral occurrences along Dharmapuri Shear zone in parts of Vellore, Krishnagiri, Dharmapuri and Salem districts of Tamil Nadu, India. AB - The aim of this study was to evaluate the concentrations of naturally occurring radioactive nuclides 226Ra, 232Th and 40K and corresponding dose rates over atomic mineral occurrences of Dharmapuri shear zone in parts of Salem, Dharmapuri, Krishnagiri, and Vellore districts of Tamilnadu, India. In this paper, area-wise ternary diagrams of Ra, Th and K were plotted to study their relative concentration in the samples. Correlation study was also carried out to delineate the contribution of individual radionuclides toward the measured gamma dose rate. The concentrations of Ra, Th and K were determined by gamma ray spectrometry system using a 5" * 4" NaI (Tl) detector assembly. The geometric mean values of the estimated annual effective outdoor dose equivalent (AEDE) in mSv/y in the four areas were 2.35, 0.72, 1.88 and 0.36. A good linear correlation was observed between the estimated and measured annual effective dose equivalent. PMID- 29223763 TI - DYRK1A-haploinsufficiency in mice causes autistic-like features and febrile seizures. AB - Mutations and copy number variants affecting DYRK1A gene encoding the dual specificity tyrosine phosphorylation-regulated kinase 1A are among the most frequent genetic causes of neurodevelopmental disorders including autism spectrum disorder (ASD) associated with microcephaly, febrile seizures and severe speech acquisition delay. Here we developed a mouse model harboring a frame-shift mutation in Dyrk1a resulting in a protein truncation and elimination of its kinase activity site. Dyrk1a+/- mice showed significant impairments in cognition and cognitive flexibility, communicative ultrasonic vocalizations, and social contacts. Susceptibility to hyperthermia-induced seizures was also significantly increased in these mice. The truncation leading to haploinsufficiency of DYRK1A in mice thus recapitulates the syndromic phenotypes observed in human patients and constitutes a useful model for further investigations of the mechanisms leading to ASD, speech delay and febrile seizures. PMID- 29223764 TI - Hypoxia-induced and HIF1alpha-VEGF-mediated tight junction dysfunction in choriocarcinoma cells: Implications for preeclampsia. AB - INTRODUCTION: Accumulated data indicate that placental hypoxia is implicated in the pathogenesis of preeclampsia (PE). Tight junction (TJ) is important structure that sustains normal placental barrier function, its dysregulation under hypoxia has been observed. This study was designed to explore hypoxia-induced TJ dysfunction in trophoblast cells and its possible involvement in PE pathophysiology. METHODS: Choriocarcinoma cells were grown in a monolayer and treated with cobalt chloride (CoCl2) to induce hypoxia. TJ architecture was assessed using transmission electron microscopy, and locations of TJ proteins were determined by immunofluorescence. TJ functions were assessed by transepithelial electrical resistance (TER) and increased cell paracellular permeability (CPP), and the expression of TJ-related proteins, HIF-1alpha and VEGF was measured. RESULTS: The TJ functions of trophoblast cells were significantly altered by hypoxia; TER decreased and CPP increased in a time- and concentration-dependent manner. Significant alterations in TJ protein expression and increases in HIF1alpha and VEGF expression were observed in hypoxic cells, and these effects were attenuated by pretreatment with YC-1. Moreover, corresponding changes in TJ protein expression were also detected in preeclamptic placentas. CONCLUSION: These data demonstrate that trophoblast cells undergo significant changes in TJ protein expression under hypoxic conditions and highlight the potential significance of the HIF1alpha-VEGF axis in the regulation of TJ structure and function in the preeclamptic placenta. PMID- 29223765 TI - Prognostic role of serum total cholesterol and high-density lipoprotein cholesterol in cancer survivors: A systematic review and meta-analysis. AB - BACKGROUND: The alterations of lipid profile in cancer has been reported to be associated with cancer development. However, the prognostic value of serum lipid markers level in cancer is currently under debate. Here we performed a meta analysis to investigate the prognostic significance of serum blood total cholesterol (TC), Triglycerides (TG), high-density lipoprotein cholesterol (HDL C) and low-density lipoprotein cholesterol (LDL-C) for cancer. METHODS: We systematically searched in PubMed and EMBASE for follow-up studies to evaluate the association between blood TC, TG, HDL-C, LDL-C and overall survival (OS) or disease-free survival (DFS) in patients with cancer. Pooled hazard ratio (HR) and 95% CIs were pooled using the random models. Subgroup and sensitivity analyses were also performed. RESULTS: Twenty-six studies including 24655 individuals were identified. For patients with higher TC before diagnosis, the summary HR were 0.82 (95% CI 0.75-0.90) for OS, 0.920 (95% CI, 0.849-0.997) for DFS. Patients with higher HDL-C had a 37% reduced risk of death compared with lower HDL-C (HR 0.63, 95%CI 0.47-0.86, P<0.001). As for DFS, patients with higher HDL-C level had the risk of disease relapse reduced by 35% (HR 0.65, 95% CI, 0.48-0.89, P<0.001) compared with patients with lower levels. CONCLUSIONS: After pooled analysis, only TC and HDL-C were significantly associated with cancer survival. Our findings demonstrate for the first time that serum TC and HDL-C was identified as a protective factor for overall survival in cancer patients. PMID- 29223766 TI - Developing a value proposition for high-sensitivity troponin testing. AB - Laboratories are looking for ways that they can identify and deliver value through their service rather than just provide high quality test results. One way to demonstrate value has been described in the form of a value proposition where the application of a laboratory test is described explicitly in terms of the process of care and the patient outcomes. We have applied this concept to the use of high sensitivity troponin assays for the assessment of patients with suspected acute coronary syndrome. From a previously described framework we use a checklist to describe the various steps in the complete intervention or clinical pathway, demonstrating how the test should be used, highlighting key evidence in the literature that supports the intervention and list some of the measures which can be used to assess how well the intervention is being adopted and implemented. While the value proposition concept is based on the foundations of evidence based medicine it also requires collaboration between the laboratory and other stakeholders including clinicians to ensure that appropriate resources are applied across the complete clinical pathway in order to ensure its effectiveness. PMID- 29223767 TI - Evaluation of a National Pediatric Subinternship Curriculum Implemented Through Individual Learning Plans. AB - OBJECTIVE: The Council on Medical Student Education in Pediatrics and Association of Pediatric Program Directors developed a Pediatric Subinternship (CAPS) curriculum for use with an individualized learning plan (ILP). The authors determined which learning objectives (LOs) pediatric subinterns selected when provided the CAPS curriculum, summarized students' self-reported progress, and determined feasibility of ILPs in subinternship. METHODS: Students from 10 medical schools completed a standardized ILP during pediatric subinternship. Students listed >=3 LOs using CAPS curriculum as a guide and self-assessed their progress. Students reviewed ILPs with faculty preceptors; preceptors completed questionnaires on time and effort spent. Authors mapped student LOs to CAPS curriculum objectives and grouped in Accreditation Council for Graduate Medical Education competency domains. RESULTS: Two hundred four students documented 850 LOs. Authors mapped student LOs to 61 of the 69 CAPS objectives (88%). Students most commonly chose Patient Care LOs, with the top 3 related to oral presentations, time management, and management plans. Student LOs not in CAPS addressed nutrition, child development, test interpretation, and cost. No students chose LOs related to health disparities, shared decision making, informed consent, or patient safety. Students self-reported significant progress on most LOs (73%). Faculty met with students >=1 time and 93% met for a total of <=1 hour. According to faculty, students required little or no help completing ILPs. CONCLUSIONS: Students chose a wide range of LOs when provided the CAPS curriculum. Revision to include additional student-identified LOs would enhance CAPS curriculum's comprehensiveness. Using this curriculum with an ILP during subinternship is feasible, but gaps between educator-identified and student identified objectives require further exploration. PMID- 29223769 TI - Obstructive sleep apnoea and Alzheimer's disease: In search of shared pathomechanisms. AB - Alzheimer's disease (AD) is a significant public health concern. The incidence continues to rise, and it is set to be over one million in the UK by 2025. The processes involved in the pathogenesis of AD have been shown to overlap with those found in cognitive decline in patients with Obstructive Sleep Apnoea (OSA). Currently, the standard treatment for OSA is Continuous Positive Airway Pressure. Adherence to treatment can, however, be an issue, especially in patients with dementia. Also, not all patients respond adequately, necessitating the use of additional treatments. Based on the body of data, we here suggest that excessive and prolonged neuronal activity might contribute to genesis and acceleration of both AD and OSA in the absence of appropriately structured sleep. Further, we argue that external factors, including systemic inflammation and obesity, are likely to interfere with immunological processes of the brain, and further promote disease progression. If this hypothesis is proven in future studies, it could have far-reaching clinical translational implications, as well as implications for future treatment strategies in OSA. PMID- 29223768 TI - Verbal learning and hippocampal dysfunction in schizophrenia: A meta-analysis. AB - This meta-analysis summarizes research examining whether deficits in verbal learning are related to bilateral hippocampal volume reductions in patients with or at risk for schizophrenia and in healthy controls. 17 studies with 755 patients with schizophrenia (SCZ), 232 Genetic High Risk (GHR) subjects and 914 healthy controls (HC) were included. Pooled correlation coefficients were calculated between hemisphere (left, right or total) and type of recall (immediate or delayed) for each diagnostic group individually (SCZ, GHR and HC). In SCZ, left and right hippocampal volume positively correlated with immediate (r=0.256, 0.230) and delayed (r=0.132, 0.231) verbal recall. There was also a correlation between total hippocampal volume and delayed recall (r=0.233). None of these correlations were significant in healthy controls. There was however, a positive correlation between left hippocampal volume and immediate recall in the GHR group (r=0.356). The results suggest that hippocampal volume affects immediate and delayed verbal learning capacity in schizophrenia and provides further evidence of hippocampal dysfunction in the pathophysiology of schizophrenia. PMID- 29223770 TI - Rhythmic facilitation of sensory processing: A critical review. AB - Here we review the role of brain oscillations in sensory processing. We examine the idea that neural entrainment of intrinsic oscillations underlies the processing of rhythmic stimuli in the context of simple isochronous rhythms as well as in music and speech. This has been a topic of growing interest over recent years; however, many issues remain highly controversial: how do fluctuations of intrinsic neural oscillations-both spontaneous and entrained to external stimuli-affect perception, and does this occur automatically or can it be actively controlled by top-down factors? Some of the controversy in the literature stems from confounding use of terminology. Moreover, it is not straightforward how theories and findings regarding isochronous rhythms generalize to more complex, naturalistic stimuli, such as speech and music. Here we aim to clarify terminology, and distinguish between different phenomena that are often lumped together as reflecting "neural entrainment" but may actually vary in their mechanistic underpinnings. Furthermore, we discuss specific caveats and confounds related to making inferences about oscillatory mechanisms from human electrophysiological data. PMID- 29223773 TI - A Promise to Our Patients to Mind Neurodevelopment. PMID- 29223772 TI - Problem Delayed Does Not Mean Solution Denied. PMID- 29223774 TI - Physiological and proteomic responses to corticosteroid treatments in Eurasian perch, Perca fluviatilis: Investigation of immune-related parameters. AB - The comparative effects of cortisol and 11-deoxycorticosterone (DOC), two major corticosteroids in fish, have yet received little attention in teleosts. We evaluated the proteomic and immune responses of Eurasian perch to chronic corticosteroid treatments. We implanted immature perch with cortisol (80mg/kg) or DOC (4mg/kg) and measured the proportions of blood leucocytes, immune indices in the plasma, spleen and liver (complement and lysozyme activity, total immunoglobulin and immune gene expression in the tissues) and differential proteome expression (corticosteroid versus control) in the liver and the spleen on days 2, 4 and 14 post-treatment. Implantation of cortisol decreased the ratio of blood leucocytes and depressed Ig levels in both organs while DOC modulated the proportion of leucocyte sub-populations (increase in lymphocytes and decrease in granulocytes). In contrast, the innate humoral immunity was not strongly influenced by any of corticosteroid implants. The only immune parameter that was significantly affected was lysozyme, after DOC treatment. A number of proteins were differentially regulated by these hormones and some were identified in the liver (21 for cortisol and 8 for DOC) and in the spleen (10 for cortisol and 10 for DOC). None of the proteins was directly linked to immunity, except the natural killer enhancing factor, which was repressed by cortisol in the spleen. Our results also confirm that the proteins involved in energetic and glucose metabolism are affected by corticosteroids. Furthermore, these corticosteroids differently regulate immune status in Eurasian perch and they primarily impact leucocytes, as opposed to innate immune function. PMID- 29223771 TI - Comparative studies of social buffering: A consideration of approaches, terminology, and pitfalls. AB - KIYOKAWA, Y. and HENNESSY, M.B. Comparative studies of social buffering: A consideration of approaches, terminology, and pitfalls...NEUROSCI BIOBEHAV REV XXX-XXX, .- Over the past decades, there has been an increasing number of investigations of the impact of social variables on neural, endocrine, and immune outcomes. Among these are studies of "social buffering"-or the phenomenon by which affiliative social partners mitigate the response to stressors. Yet, as social buffering studies have become more commonplace, the variety of approaches taken, definitions employed, and divergent results obtained in different species can lead to confusion and miscommunication. The aim of the present paper, therefore, is to address terminology and approaches and to highlight potential pitfalls to the study of social buffering across nonhuman species. We review and categorize variables currently being employed in social buffering studies and provide an overview of responses measured, mediating sensory modalities and underlying mechanisms. It is our hope that the paper will be useful to those contemplating examination of social buffering in the context of their own research. PMID- 29223775 TI - Association between prenatal bisphenol A and phthalate exposures and fetal metabolic related biomarkers: The Hokkaido study on Environment and Children's Health. AB - Bisphenol A and phthalates are widely detected in human urine, blood, breast milk, and amniotic fluid. Both bisphenol A and phthalates have been suggested as playing a role in obesity epidemics. Exposure to these chemicals during fetal development, and its consequences should be concerning because they can cross the placenta. Thus, this study aimed to assess the association between prenatal exposure to bisphenol A and phthalates, and cord blood metabolic-related biomarkers. Maternal serum was used during the first trimester, to determine prenatal exposure to bisphenol A and phthalates. Levels of metabolic-related biomarkers in the cord blood were also determined. Linear regression models were applied to the 365 participants with both, exposure and biomarker assessments, adjusted for maternal age, pre-pregnancy body mass index, parity, education, and sex of the child. The level of bisphenol A was negatively associated with the leptin level (beta = -0.06, 95% confidence interval [CI]: -0.11, -0.01), but was positively associated with the high-molecular-weight adiponectin level, with marginal significance (beta = 0.03, 95%CI: 0.00, 0.06). The mono-isobutyl phthalate (MiBP), mono-n-butyl phthalate (MnBP), mono-(2-ethylhexyl) phthalate (MEHP), and summation of MEHP and MECPP to represent DEHP exposure (?DEHPm) levels were inversely associated with the leptin levels (beta=-0.14, 95%CI: 0.27, -0.01; beta = -0.12, 95%CI: -0.24, 0.00 with marginal significance; beta=0.08, 95%CI: -0.14, -0.03; and beta = -0.09, 95%CI: -0.16, -0.03, respectively). The present study provided some evidence that prenatal exposure to bisphenol A and certain phthalates may modify fetal adiponectin and leptin levels. PMID- 29223776 TI - Impact of edaphic factors and nutrient management on the hepatoprotective efficiency of Carlinoside purified from pigeon pea leaves: An evaluation of UGT1A1 activity in hepatitis induced organelles. AB - Carlinoside is a unique compound well-known for its excellent curative potential in hepatitis. There is a substantial research gap regarding the medicinal use of carlinoside, as its concentrations are greatly variable (depending on locality). We cultivated Cajanus cajan using vermicompost as a major organic amendment at two locations (Sonitpur and Birbhum) with different soil types, but identical climate conditions. Sonitpur soils were richer in soil organic C (SOC), enzyme activation, and N/P content than Birbhum. However, vermi-treatment improved many soil properties (bulk density, water retention, pH, N/P/K, and enzyme activity) to narrow the locational gap in soil quality by 15-28%. We also recorded a many fold increment in SOC storage capacities in both locations, which was significantly correlated with carlinoside, total phenol, and flavonoid contents in Cajanus leaves. This significantly up-regulated the carlinoside induced expression of the bilirubin-solubilizing UGT1A1enzyme in HepG2 cell and rat liver. Leaf extracts of vermicompost-aided plants could cure hepatitis in affected rat livers and in the HepG2 cell line. Accordingly, vermi-treatment is an effective route for the growth of Cajanus as a cash crop for biomedical applications and can produce a concurrent improvement in soil quality. PMID- 29223778 TI - Differences in trochlear parameters between native and prosthetic kinematically or mechanically aligned knees. AB - INTRODUCTION: Kinematic (KA) and mechanical (MA) alignment techniques are two different philosophies of implant positioning that use the same TKA implants. This might generate differences in the resulting prosthetic trochleae parameters between the two techniques of alignment. Our study aim was to test the following hypotheses : (1) mechanically or kinematically aligned femoral implant understuffs the native trochlear articular surface and poorly restores the native groove orientation, and (2) the orientation of the prosthetic trochlear groove and trochlear fill are different between MA and KA. METHODS: Three-dimensional models of the femur were made from segmentation of preoperative Magnetic Resonance Imaging scans (MRIs) of ten subjects with isolated medial tibiofemoral osteoarthritis. In-house planning and analysis software kinematically and mechanically aligned a modern cruciate retaining femoral component and determined differences in parameters of the trochlear fit between native and prosthetic trochleae, and between KA and MA prosthetic trochleae. RESULTS: The MA prosthetic trochleae did not fill (understuffed) the entire length of the native medial facet and the proximal 70% of the native groove and lateral facet, and oriented the trochleae groove 8 degrees more valgus than native. The KA prosthetic trochleae understuffed the proximal 70% of the native trochleae, and had a groove 6 degrees more valgus than native. The KA trochleae understuffed the medial facet distally and oriented the groove 2 degrees less valgus and 3 degrees more internally rotated than the MA trochleae. CONCLUSION: MA and KA prosthetic trochleae substantially understuff and create a prosthetic groove more valgus compared to native trochlear anatomy, and they also differed between each other regarding trochleae stuffing and groove alignment. Although randomized trials have not shown differences in patellofemoral complications between KA and MA, a femoral component designed specifically for KA that more closely restores the native trochlear anatomy might improve patient reported satisfaction and function. LEVEL OF EVIDENCE: Level 2 controlled laboratory study. PMID- 29223777 TI - Child care centre adherence to infant physical activity and screen time recommendations in Australia, Canada and the United States: An observational study. AB - OBJECTIVE: The aim of this study was to compare adherence to physical activity and sedentary behaviour recommendations within the 2011 Institute of Medicine Early Childhood Obesity Prevention Policies as well as screen time recommendations from the 2013 American Academy of Pediatrics for samples of infants in child care centres in Australia, Canada, and the United States (US). METHODS: This cross-sectional study used data from: the Australian 2013 Standing Preschools (N=9) and the 2014-2017 Early Start Baseline (N=22) studies; the 2011 Canadian Healthy Living Habits in Pre-School Children study (N=14); and the American 2008 (N=31) and 2013-2017 (N=31) Baby Nutrition and Physical Activity Self-Assessment for Child Care (NAP SACC) trials. Data were compared on the above infant recommendations. Percentages were used to describe compliance to the recommendations and chi-square tests to determine whether compliance differed by country. RESULTS: Child care centres were most compliant (74%-95%) with recommendations to: provide daily indoor opportunities for infants to move freely under adult supervision, daily tummy time for infants less than 6 months of age, indoor and outdoor recreation areas that encourage infants to be physically active, and discourage screen time. Centres were least compliant (38%-41%) with adhering to recommendations to: limit the use of equipment that restricts an infant's movement and provide education about physical activity to families. Compared with Canadian and US centres, Australian centres were less compliant (46%) with the recommendation to engage with infants on the ground each day, to optimize adult-infant interactions and to limit the use of equipment that restricts the infant's movement. Canadian centres were less compliant (39%) with the recommendation to provide training to staff and education to parents about children's physical activity. US centres were less compliant (25%-41%) with the recommendations to provide daily opportunities for infants to explore their outdoor environment, limit the use of equipment that restricts the infant's movement and provide education to families about children's physical activity. CONCLUSIONS: Assisting child care centres on limiting the use of equipment that restricts an infant's movement, and providing education about children's physical activity to families may be important targets for future interventions. PMID- 29223779 TI - Female verbal memory advantage in temporal, but not frontal lobe epilepsy. AB - Women show better performance than men on a range of episodic memory tasks. Evidence regarding a neuroanatomical localization of this effect remains ambiguous. It has been suggested that anterior temporal lobe structures are responsible for sex differences in verbal memory, yet temporal lobe epilepsy (TLE) and TLE surgery do not affect women's verbal memory advantage. Instead, frontal lobe regions may be relevant for female verbal memory superiority, i.e. by enabling more efficient encoding and retrieval strategies in women. The aim of the present study was to investigate whether women's verbal memory advantage can be found in patients with frontal lobe epilepsy (FLE), and how patients with FLE and those with TLE differ with regard to sex differences in verbal memory. Fifty patients with unilateral FLE (26 women, 24 men) were compared with 183 patients with unilateral TLE (90 women, 93 men) on both verbal learning and delayed memory. We found that women showed better verbal memory than men in the TLE group, but not in the FLE group. In addition, we found that patients with TLE showed worse verbal learning than those with FLE. Our findings support the idea that women's advantage in verbal memory may be related to frontal lobe function. PMID- 29223780 TI - Drug-resistant epilepsy in MELAS: safety and potential efficacy of lacosamide. PMID- 29223781 TI - Enhanced sludge solubilization and dewaterability by synergistic effects of nitrite and freezing. AB - In this study, nitrite was added into sludge during freezing process to evaluate its role in waste activated sludge (WAS) solubilization and effect on sludge dewatering characteristics. The results showed that the introduction of 100 mg L 1 of nitrite could increase dissolved organic carbon (DOC) concentration from 29.5 to 48.8 mg DOC g-1 VSS under freezing conditions. More DOC was released with the increase of nitrite concentration. Freezing temperature, or freezing speed, also played a role in sludge solubilization. It was found that some readily biodegradable low molecular weight (LMW) compounds, e.g. LMW protein, LMW polysaccharide, LMW neutrals, building blocks and LMW acids, were mainly released during the freezing process with the presence of nitrite. Interestingly, nitrite could also improve the sludge filterability at the lower nitrite concentration as a result of the increased sludge particle size. However, electrolytes (sodium nitrite) addition effects may mask such enhancement when nitrite concentration was high (800 mg L-1). The rheological characteristics of sludge could be well modeled by Herchel-Bulkley model and the introduction of nitrite into freezing process further increased sludge flowability and decreased sludge viscosity. These results indicated that freezing with the presence of suitable concentration of nitrite could promote sludge solubilization and dewaterability. As such, good liquid and solid separation can be achieved with the recovery of liquid stream as carbon source. PMID- 29223782 TI - The influence of precursors and treatment process on the formation of Iodo-THMs in Canadian drinking water. AB - The National Survey of Disinfection By-Products and Selected Emerging Contaminants investigated the formation of various disinfection by-products and contaminants in 65 water treatment systems (WTSs) across Canada. Results for six iodo-trihalomethanes (iodo-THMs) are reported in this paper. The participating water treatment systems included large, medium and small systems using water sources and treatment processes which were representative of Canadian drinking water. Five water samples (source water, treated water and three water samples along the distribution system) were collected from each treatment system, both under winter and summer conditions. Samples were stabilized, shipped cold and analysed for six iodo-THMs (dichloroiodomethane-DCIM; dibromoiodomethane-DBIM; bromochloroiodomethane-BCIM; chlorodiiodomethane-CDIM; bromodiiodomethane-BDIM and triiodomethane or iodoform-TIM), using a SPME-GC-ECD method developed in our laboratory (MDLs from 0.02 MUg/L for iodoform to 0.06 MUg/L for bromodiiodomethane). Concentrations of relevant precursors like dissolved organic carbon (DOC), bromide, iodide and total iodine, as well as other water quality parameters, were also determined. Detailed information about the treatment process used at each location was recorded using a questionnaire. The survey showed that one or more iodo-THMs were detected at 31 out of 64 water treatment systems (WTSs) under winter conditions and in 46 out of 64 WTSs under summer conditions (analytical results from one site were excluded due to sampling challenges). Total iodo-THM concentrations measured during this survey ranged from 0.02 MUg/L to 21.66 MUg/L. The highest total iodo-THM concentration was measured in WTS 63 where all six iodo-THMs were detected and iodoform was present in the highest concentration. The highest iodo-THM formation was found to occur in treatment systems where water sources had naturally occurring ammonium as well as high bromide, high iodide and/or total iodine concentrations. In two such water systems the total concentration of iodo-THMs exceeded the concentration of regulated THMs. PMID- 29223783 TI - Prior stress promotes the generalization of contextual fear memories: Involvement of the gabaergic signaling within the basolateral amygdala complex. AB - Fear generalization occurs when a response, previously acquired with a threatening stimulus, is transferred to a similar one. However, it could be maladaptive when stimuli that do not represent a real threat are appraised as dangerous, which is a hallmark of several anxiety disorders. Stress exposure is a major risk factor for the occurrence of anxiety disorders and it is well established that it influences different phases of fear memory; nevertheless, its impact on the generalization of contextual fear memories has been less studied. In the present work, we have characterized the impact of acute restraint stress prior to contextual fear conditioning on the generalization of this fear memory, and the role of the GABAergic signaling within the basolateral amygdala complex (BLA) on the stress modulatory effects. We have found that a single stress exposure promoted the generalization of this memory trace to a different context that was well discriminated in unstressed conditioned animals. Moreover, this effect was dependent on the formation of a contextual associative memory and on the testing order (i.e., conditioning context first vs generalization context first). Furthermore, we observed that increasing GABA-A signaling by intra-BLA midazolam administration prior to the stressful session exposure prevented the generalization of fear memory, whereas intra-BLA administration of the GABA-A antagonist (Bicuculline), prior to fear conditioning, induced the generalization of fear memory in unstressed rats. We concluded that stress exposure, prior to contextual fear conditioning, promotes the generalization of fear memory and that the GABAergic transmission within the BLA has a critical role in this phenomenon. PMID- 29223784 TI - Thalidomide attenuates development of morphine dependence in mice by inhibiting PI3K/Akt and nitric oxide signaling pathways. AB - Morphine dependence and the subsequent withdrawal syndrome restrict its clinical use in management of chronic pain. The precise mechanism for the development of dependence is still elusive. Thalidomide is a glutamic acid derivative, recently has been reconsidered for its clinical use due to elucidation of different clinical effects. Phosphoinositide 3-kinase (PI3K) is an intracellular transducer enzyme which activates Akt which in turns increases the level of nitric oxide. It is well established that elevated levels of nitric oxide has a pivotal role in the development of morphine dependence. In the present study, we aimed to explore the effect of thalidomide on the development of morphine dependence targeting PI3K/Akt (PKB) and nitric oxide (NO) pathways. Male NMRI mice and human glioblastoma T98G cell line were used to study the effect of thalidomide on morphine dependence. In both models the consequent effect of thalidomide on PI3K/Akt and/or NO signaling in morphine dependence was determined. Thalidomide alone or in combination with PI3K inhibitor, Akt inhibitor or nitric oxide synthase (NOS) inhibitors significantly reduced naloxone induced withdrawal signs in morphine dependent mice. Also, the levels of nitrite in hippocampus of morphine dependent mice were significantly reduced by thalidomide in compared to vehicle treated morphine dependent mice. In T98G human glioblastoma cells, thalidomide alone or in combination with PI3K and Akt inhibitors significantly reduced iNOS expression in comparison to the morphine treated cells. Also, morphine-induced p-Akt was suppressed when T98G cells were pretreated with thalidomide. Our results suggest that morphine induces Akt, which has a crucial role in the induction of NOS activity, leading to morphine dependence. Moreover, these data indicate that thalidomide attenuates the development of morphine dependence in vivo and in vitro by inhibition of PI3K/Akt and nitric oxide signaling pathways. PMID- 29223785 TI - Cortical thickness of planum temporale and pars opercularis in native language tone processing. AB - The present study investigated the relationship between linguistic tone processing and cortical thickness of bilateral planum temporale (PT) and pars opercularis of the inferior frontal gyrus (IFGpo). Swedish tones on word stems function as cues to upcoming endings. Correlating structural brain imaging data with participants' response time patterns for suffixes, we found that thicker cortex in the left PT was associated with greater reliance on tones to anticipate upcoming inflections on real words. On inflected pseudoword stems, however, the cortical thickness of left IFGpo was associated with tone-suffix processing. Thus cortical thickness of the left PT might play a role in processing tones as part of stored representations for familiar speech segments, most likely when inflected forms are accessed as whole words. In the absence of stored representations, listeners might need to rely on morphosyntactic rules specifying tone-suffix associations, potentially facilitated by greater cortical thickness of left IFGpo. PMID- 29223786 TI - The eukaryotic translation initiation factor 3 subunit E binds to classical swine fever virus NS5A and facilitates viral replication. AB - Classical swine fever virus (CSFV) NS5A protein is a multifunctional protein, playing critical roles in viral RNA replication, translation and assembly. To further explore its functions in viral replication, interaction of NS5A with host factors was assayed using a his-tag "pull down" assay coupled with shotgun LC MS/MS. Host protein translation initiation factor 3 subunit E was identified as a binding partner of NS5A, and confirmed by co-immunoprecipitation and co localization analysis. Overexpression of eIF3E markedly enhanced CSFV genomic replication, viral protein expression and production of progeny virus, and downregulation of eIF3E by siRNA significantly decreased viral proliferation in PK-15 cells. Luciferase reporter assay showed an enhancement of translational activity of the internal ribosome entry site of CSFV by eIF3E and a decrease in cellular translation by NS5A. These data indicate that eIF3E plays an important role in CSFV replication, thereby identifying it as a potential target for inhibition of the virus. PMID- 29223787 TI - A novel peptide-based vaccine candidate with protective efficacy against influenza A in a mouse model. AB - Current influenza vaccines mainly induce antibody responses to the variable hemagglutinin proteins of the virus strains included in the vaccine. Instead, a broadly protective influenza vaccine should aim at inducing antibody- and/or cell mediated immunity against conserved viral proteins. Vacc-FLU is a peptide based vaccine combining conserved B and T cell epitopes. Peptide selection was done using a proprietary peptide design platform technology focusing on responses to human leukocyte antigen (HLA)-restricted epitopes. Immunization of wild-type mice and mice transgenic for HLA-A2.1 with the peptide mix successfully induced both humoral and cell mediated immune responses. Partial protection from severe weight loss upon challenge was observed in both mouse strains but was stronger and observed at lower vaccine doses in transgenic mice. Our results show that the Vacc-FLU peptide mix is capable of inducing IFNgamma-producing T cells and antibody-producing B cells which can protect from severe disease symptoms upon infection. PMID- 29223788 TI - A multiplex real-time RT-PCR for simultaneous detection of four most common avian respiratory viruses. AB - A one-step multiplex real-time reverse transcription-PCR (rRT-PCR) assay was developed for simultaneous detection and quantification of four avian respiratory viruses: avian influenza virus (AIV), infectious bronchitis virus (IBV), Newcastle disease virus (NDV) and infectious laryngotracheitis virus (ILTV). In comparison with the singleplex rRT-PCR, the specificity, the sensitivity and the reproducibility of the new assay were evaluated and validated using 70 clinical samples. The optimal cutoff point, the corresponding limit of quantification (LoQ) and the limit of detection (LoD) were statistical established based on receiver operating characteristic (ROC) curve analysis. The results showed that the multiplex assay presents higher sensitivity and specificity. Correlation coefficients (R2) and amplification efficiencies (E) of all singleplex and multiplex rRT-PCR reactions are within the acceptable range. The 95% LoDs of multiplex assay were in the range [3-19] copies genomic/ ul, and its corresponding cutoff cycles were in the range [34.16-36.59]. No competitive inhibition for the detection of the four targets and no specific amplification or cross reactivity with other tested viruses was observed. Excellent results were attained in the inter-assay and intra-assay reproducibility evaluation. All identified samples by the multiplex rRT-PCR assay proved to be 100% concordant with the results of the singleplex assays. The results achieved showed that the multiplex assay is very suitable as a routine laboratory test for rapid and specific detection and quantification of co-infections in field samples. PMID- 29223789 TI - Medical and developmental outcomes of bevacizumab versus laser for retinopathy of prematurity. AB - BACKGROUND: Infants with stage 3+ retinopathy of prematurity (ROP) in zone I or zone II posterior were randomized to initial treatment with bevacizumab or laser in a multicenter trial (BEAT-ROP). The purpose of this study was to assess the effects of bevacizumab on nonophthalmologic outcomes. METHODS: At one study site, inborn infants of <27 weeks' gestational age underwent medical and standardized neurologic and developmental assessments at 18-22 months' corrected age (age after expected date of full-term delivery). RESULTS: Of the 18 infants enrolled at our site, 16 (7 bevacizumab, 9 laser) were evaluated for medical and neurodevelopmental outcomes at 18-28 months' corrected age. For each of the groups, the medians and ranges of growth percentiles were low compared with norms for healthy infants. The ranges for Bayley III developmental scores were also low relative to expected norms for healthy infants. There were no significant differences between the bevacizumab and laser therapy groups in weight (median percentile: bevacizumab, 18; laser, 7), length, head circumference, cerebral palsy, or Bayley scores (median Cognitive Composite Score: bevacizumab, 85; laser, 65). There was a significant difference in length of hospital stay (median days, 98 vs 140 days) favoring the bevacizumab group. CONCLUSIONS: In this patient cohort 2-year follow-up evaluation of infants treated with bevacizumab versus laser therapy for retinopathy of prematurity showed no adverse effects on medical or neurodevelopmental outcomes. PMID- 29223790 TI - Temporal and bi-directional associations between sleep duration and physical activity/sedentary time in children: An international comparison. AB - The purpose of this multinational and cross-sectional study was to investigate whether nighttime sleep duration was associated with physical activity (PA) and sedentary time (SED) the following day, whether daytime PA/SED were associated with sleep duration the subsequent night, and whether the associations were modified by sex and study sites. Data from 5779 children aged 9-11years were analyzed. A waist-worn Actigraph GT3X+ accelerometer was used to assess children's 24-h movement behaviours for 7days, i.e. sleep duration, total SED, light-intensity physical activity (LPA), and moderate- to vigorous-intensity physical activity (MVPA). Multilevel linear regression models were used to account for the repeated measures nested within participants (there were up to 7 sleep->PA/SED and PA/SED->sleep pairings per participant) and schools, and adjusted for covariates. To facilitate interpretation, all sleep and PA/SED variables were standardized. Results showed that the relationship between sleep and PA/SED is bi-directional in this international sample of children. Specifically, for each one standard deviation (SD) unit increase in sleep duration, SED the following day decreased by 0.04 SD units, while LPA and MVPA increased by 0.04 and 0.02 SD units, respectively. Sleep duration decreased by 0.02 SD units and increased by 0.04 SD units for each one SD unit increase in SED and MVPA, respectively. Sleep duration was not affected by changes in LPA. These associations differed across sex and study sites in both directions. However, since the observed effect sizes are subtle, public health initiatives should consider the clinical and practical relevance of these findings. PMID- 29223791 TI - Towards more effective online information support for mammography screening decisions. AB - We sought to determine the extent to which web-based patient-directed resources of U.S. public health agencies and professional groups offer consistent and relevant information on the benefits and harms of mammography screening. Between August 2016-February 2017, we identified, collected and analyzed information about mammography screening from the websites of 14 well-known governmental public health agencies and professional groups. We recorded and compared the qualitative and quantitative information the sites offered on (1) breast cancer mortality; (2) false-positive results; (3) unnecessary biopsy; and (4) overdetection. Our results show considerable variation on which benefits and harms are mentioned, whether they are discussed in qualitative and/or quantitative terms, and how this information is delivered and framed. We argue that it is ethically problematic that benefit and harm information is presented in inconsistent and incomplete ways, and we suggest that organizations work towards the adoption of uniform categories to genuinely support preference sensitive decision making. PMID- 29223792 TI - Prediction of persistent hemodynamic depression after carotid angioplasty and stenting using artificial neural network model. AB - OBJECTIVES: To assess and compare predictive factors for persistent hemodynamic depression (PHD) after carotid artery angioplasty and stenting (CAS) using artificial neural network (ANN) and multiple logistic regression (MLR) or support vector machines (SVM) models. PATIENTS AND METHODS: A retrospective data set of patients (n=76) who underwent CAS from 2007 to 2014 was used as input (training cohort) to a back-propagation ANN using TensorFlow platform. PHD was defined when systolic blood pressure was less than 90mmHg or heart rate was less 50 beats/min that lasted for more than one hour. The resulting ANN was prospectively tested in 33 patients (test cohort) and compared with MLR or SVM models according to accuracy and receiver operating characteristics (ROC) curve analysis. RESULTS: No significant difference in baseline characteristics between the training cohort and the test cohort was observed. PHD was observed in 21 (27.6%) patients in the training cohort and 10 (30.3%) patients in the test cohort. In the training cohort, the accuracy of ANN for the prediction of PHD was 98.7% and the area under the ROC curve (AUROC) was 0.961. In the test cohort, the number of correctly classified instances was 32 (97.0%) using the ANN model. In contrast, the accuracy rate of MLR or SVM model was both 75.8%. ANN (AUROC: 0.950; 95% CI [confidence interval]: 0.813-0.996) showed superior predictive performance compared to MLR model (AUROC: 0.796; 95% CI: 0.620-0.915, p<0.001) or SVM model (AUROC: 0.885; 95% CI: 0.725-0.969, p<0.001). CONCLUSIONS: The ANN model seems to have more powerful prediction capabilities than MLR or SVM model for persistent hemodynamic depression after CAS. External validation with a large cohort is needed to confirm our results. PMID- 29223793 TI - Overexpression of G-protein-coupled receptors 65 in glioblastoma predicts poor patient prognosis. AB - OBJECTIVE: G-protein-coupled receptors 65 (GPR65), identified as an acid-sensing receptor, is overexpressed in several malignancies and promote tumor development. Our aim was to investigate the expression and prognostic value of GPR65 in glioblastoma. MATERIALS AND METHODS: We determined the expression of GPR65 protein using immunohistochemistry in tissue microarrays containing 11 Grade I, 107 Grade II, 47 Grade III, and 102 Grade IV gliomas and 16 normal brains. Then we evaluated its association with pathological grades, prognosis, and recurrence. The Cancer Genome Atlas (TCGA) group (N=528) was further employed to examine transcriptional level of GPR65 in glioblastoma and the correlation between GPR65 expression and clinical outcome. RESULTS: In our cohort, GPR65 expression was positively related to glioma pathological grade (p<0.01) and elevated in glioblastoma (p<0.01). High expression of GPR65 was associated with significantly short overall survival (OS) (p=0.013) and progression-free survival (PFS) (p=0.029), and could be identified as an independent risk factor for OS of glioblastoma patients (Hazard Ratio [HR]=1.596, p=0.037). As an aiding evidence, increased GPR65 mRNA expression was also found in TCGA glioblastoma group (p<0.001) and its high level predicted a poor clinical outcome (OS, p=0.003; PFS, p=0.001). CONCLUSION: Our findings suggest that GPR65 is overexpressed in glioblastoma and its high expression predicts unfavorable clinical outcome for patients. Targeting GPR65 may serve as a potential therapy for treating glioblastoma. PMID- 29223794 TI - A new T2 lesion in a patient with the clinically isolated syndrome does not necessarily imply a conversion to multiple sclerosis. AB - In the follow-up of patients with the clinically isolated syndrome, both clinical and MRI findings should be carefully evaluated by clinicians to avoid misinterpretation and inappropriate diagnosis of multiple sclerosis. We describe a case of a patient with a previous diagnosis of clinically isolated syndrome who developed a new asymptomatic brain lesion at the MRI follow-up. The careful evaluation of clinical history and radiological findings allowed the correct diagnosis of cocaine-associated ischemic stroke. Our case highlights that, in patients with the clinically isolated syndrome, the appearance of a new lesion on MRI does not necessarily imply a conversion to multiple sclerosis. Among "better explanations", ischemic lesions are of relevance and, in patients without typical risk factors for stroke, rarer causes such as cocaine assumption should be considered. PMID- 29223795 TI - Good distractions: Testing the effects of listening to an audiobook on driving performance in simple and complex road environments. AB - Distracted driving (driving while performing a secondary task) causes many collisions. Most research on distracted driving has focused on operating a cell phone, but distracted driving can include eating while driving, conversing with passengers or listening to music or audiobooks. Although the research has focused on the deleterious effects of distraction, there may be situations where distraction improves driving performance. Fatigue and boredom are also associated with collision risk and it is possible that secondary tasks can help alleviate the effects of fatigue and boredom. Furthermore, it has been found that individuals with high levels of executive functioning as measured by the OSPAN (Operation Span) task show better driving while multitasking. In this study, licensed drivers were tested in a driving simulator (a car body surrounded by screens) that simulated simple or complex roads. Road complexity was manipulated by increasing traffic, scenery, and the number of curves in the drive. Participants either drove, or drove while listening to an audiobook. Driving performance was measured in terms of braking response time to hazards (HRT): the time required to brake in response to pedestrians or vehicles that suddenly emerged from the periphery into the path of the vehicle, speed, standard deviation of speed, standard deviation of lateral position (SDLP). Overall, braking times to hazards were higher on the complex drive than the simple one, though the effects of secondary tasks such as audiobooks were especially deleterious on the complex drive. In contrast, on the simple drive, driving while listening to an audiobook lead to faster HRT. We found evidence that individuals with high OSPAN scores had faster HRTs when listening to an audiobook. These results suggest that there are environmental and individual factors behind difference in the allocation of attention while listening to audiobooks while driving. PMID- 29223796 TI - Species specific RNA A-to-I editing of mosquito RDL modulates GABA potency and influences agonistic, potentiating and antagonistic actions of ivermectin. AB - The insect GABA receptor, RDL, is the target of several classes of pesticides. The peptide sequences of RDL are generally highly conserved between diverse insects. However, RNA A-to-I editing can effectively alter amino acid residues of RDL in a species specific manner, which can affect the potency of GABA and possibly insecticides. We report here that RNA A-to-I editing alters the gene products of Rdl in three mosquito disease vectors, recoding five amino acid residues in RDL of Aedes aegypti and six residues in RDLs of Anopheles gambiae and Culex pipiens, which is the highest extent of editing in RDL observed to date. Analysis of An. gambiae Rdl cDNA sequences identified 24 editing isoforms demonstrating a considerable increase in gene product diversity. RNA editing influenced the potency of the neurotransmitter, GABA, on An. gambiae RDL editing isoforms expressed in Xenopus laevis oocytes, as demonstrated by EC50s ranging from 5 +/- 1 to 246 +/- 41 MUM. Fipronil showed similar potency on different editing isoforms, with IC50s ranging from 0.18 +/- 0.08 to 0.43 +/- 0.09 MUM. In contrast, editing of An. gambiae RDL affected the activating, potentiating and inhibiting actions of ivermectin. For example, ivermectin potentiated currents induced by GABA at the EC20 concentration in the unedited isoform but not in the fully edited variant. Editing of a residue in the first transmembrane domain or the cys-loop influenced this potentiation, highlighting residues involved in the allosteric mechanisms of cys-loop ligand-gated ion channels. Understanding the interactions of ivermectin with molecular targets may have relevance to mosquito control in areas where people are administered with ivermectin to treat parasitic diseases. PMID- 29223797 TI - Clinical impact of adjuvant radiation therapy delay after neoadjuvant chemotherapy in locally advanced breast cancer. AB - BACKGROUND: and Purpose: Post-operative radiation therapy (PORT) is usually indicated for patients with breast cancer (BC) after neoadjuvant chemotherapy (NAC) and surgery. However, the optimal timing to initiation of PORT is currently unknown. MATERIAL AND METHODS: We retrospectively evaluated data from patients with BC who received PORT after NAC and surgery at our institution from 2008 to 2014. Patients were categorized into three groups according to the time between surgery and PORT: <8 weeks, 8-16 weeks and >16 weeks. RESULTS: A total of 581 patients were included; 74% had clinical stage III. Forty-three patients started PORT within 8 weeks, 354 between 8 and 16 weeks and 184 beyond 16 weeks from surgery. With a median follow-up of 32 months, initiation of PORT up to 8 weeks after surgery was associated with better disease-free survival (DFS) (<8 weeks versus 8-16 weeks: HR 0.33; 95% CI 0.13-0.81; p = 0.02; <8 weeks versus >16 weeks: HR 0.38; 95% CI 0.15-0.96; p = 0.04) and better overall survival (OS) (<8 weeks versus 8-16 weeks: HR 0.22; 95% CI 0.05-0.90; p = 0.036; <8 weeks versus >16 weeks: HR 0.28; 95% CI 0.07-1.15; p = 0.08). CONCLUSION: PORT started up to 8 weeks after surgery was associated with better DFS and OS in locally-advanced BC patients submitted to NAC. Our findings suggest that early initiation of PORT is critically important for these patients. However, the low numbers of patients and events in this study prevent us from drawing firm conclusions. PMID- 29223798 TI - Self-reported volitional control in adolescents and young adults from a community cohort: Associations with current, past and future mental disorders. AB - Alterations in volitional control have been found for various mental disorders. However, it remains unclear to which degree such alterations vary by type of psychopathology and constitute preceding vulnerabilities or correlates of mental disorders. DSM-IV mental disorders were assessed among adolescents and young adults from the community at baseline (age 14-24) and in up to 3 follow-up assessments over 10 years (n = 2515) using a standardized diagnostic interview (DIA-X/M-CIDI). Self-reported volitional control was assessed at second follow-up (T2) when subjects were aged 17-28 using the German version of the Short Form of the Volitional Components Inventory. Linear regressions adjusted for sex, age and lifetime disorders revealed that anxiety and affective disorders were associated with widespread alterations in self-reported volitional control (lower self regulation, higher self inhibition and volitional inhibition), while substance use disorders were specifically associated with higher volitional inhibition. Logistic regressions adjusted for sex, age and prior lifetime psychopathology revealed that lower self-reported volitional control at T2 predicted incident panic, social phobia and substance use at T3 (follow-up interval M = 4.8 years). Findings point toward at least partly disorder-specific alterations in volitional control in mental disorders, which might be antecedent vulnerability factors and thus useful to guide early recognition and prevention. PMID- 29223799 TI - Association between housing, personal capacity factors and community participation among persons with psychiatric disabilities. AB - There is a need to understand which housing and personal capacity factors facilitate and hinder maximum community participation among people with psychiatric disabilities. The present study examined housing and personal capacity factors associated with community participation in a large sample of persons with psychiatric disabilities living in the same neighborhoods (defined by specified zip codes). Three hundred and forty-three persons with psychiatric disabilities were recruited from congregate and independent scatter-site housing programs in 3 New York City-area neighborhoods with high concentrations of housing for persons with psychiatric disabilities. Participants completed measures of community participation, psychiatric symptoms, substance use, independent living-skill, self-efficacy, and coping style. Community participation measures grouped into 3 factors: social community participation, physical community participation, and vocational involvement. Social community participation was associated with negative symptoms and active coping, but not by housing. Independent living-skill moderated the relationship between independent scatter-site housing and social community participation. Physical community participation was associated with negative symptoms, active coping, independent living-skill, and residence in independent scatter-site housing. Vocational involvement was only associated with negative symptoms. Findings suggest that a complex array of personal capacity and housing factors are associated with community participation among persons with psychiatric disabilities. PMID- 29223800 TI - Total and differential white blood cell counts and hemodynamic parameters in first-episode psychosis. AB - There is evidence for blood inflammatory abnormalities in patients with first episode psychosis (FEP). The monocyte- and neutrophil-to-lymphocyte ratios (MLR; NLR) are markers of inflammation and endothelial dysfunction, and predictors of cardiovascular disease, the leading cause of death in schizophrenia. We investigated relationships between white blood cell (WBC) counts and hemodynamic parameters associated with cardiovascular disease risk in 25 subjects age 18-50 hospitalized for FEP and 44 controls. Subjects had a blood draw, vital signs, and medical history. Patients with FEP had significantly higher NLR, MLR, pulse pressure, and rate pressure product (RPP) than controls (p < 0.05 for each), after controlling for potential confounders. In linear regression analyses, higher monocytes were a significant predictor of higher pulse pressure (p = 0.033) and higher MLR predicted RPP at the trend level (p = 0.051) in FEP, after controlling for potential confounders. To our knowledge, ours is the first report of increased RPP, a measure of myocardial workload, in FEP. We also replicated findings of increased NLR, MLR and pulse pressure in FEP. Our findings underscore that measurement of routine vital signs and blood total and differential WBC counts are germane to the clinical care of patients with psychosis as markers of cardiovascular disease risk. PMID- 29223801 TI - The external face of Candida albicans: A proteomic view of the cell surface and the extracellular environment. AB - : The cell surface and secreted proteins are the initial points of contact between Candida albicans and the host. Improvements in protein extraction approaches and mass spectrometers have allowed researchers to obtain a comprehensive knowledge of these external subproteomes. In this paper, we review the published proteomic studies that have examined C. albicans extracellular proteins, including the cell surface proteins or surfome and the secreted proteins or secretome. The use of different approaches to isolate cell wall and cell surface proteins, such as fractionation approaches or cell shaving, have resulted in different outcomes. Proteins with N-terminal signal peptide, known as classically secreted proteins, and those that lack the signal peptide, known as unconventionally secreted proteins, have been consistently identified. Existing studies on C. albicans extracellular vesicles reveal that they are relevant as an unconventional pathway of protein secretion and can help explain the presence of proteins without a signal peptide, including some moonlighting proteins, in the cell wall and the extracellular environment. According to the global view presented in this review, cell wall proteins, virulence factors such as adhesins or hydrolytic enzymes, metabolic enzymes and stress related-proteins are important groups of proteins in C. albicans surfome and secretome. BIOLOGICAL SIGNIFICANCE: Candida albicans extracellular proteins are involved in biofilm formation, cell nutrient acquisition and cell wall integrity maintenance. Furthermore, these proteins include virulence factors and immunogenic proteins. This review is of outstanding interest, not only because it extends knowledge of the C. albicans surface and extracellular proteins that could be related with pathogenesis, but also because it presents insights that may facilitate the future development of new antifungal drugs and vaccines and contributes to efforts to identify new biomarkers that can be employed to diagnose candidiasis. Here, we list more than 570 C. albicans proteins that have been identified in extracellular locations to deliver the most extensive catalogue of this type of proteins to date. Moreover, we describe 16 proteins detected at all locations analysed in the works revised. These proteins include the glycophosphatidylinositol (GPI)-anchored proteins Ecm33, Pga4 and Phr2 and unconventional secretory proteins such as Eft2, Eno1, Hsp70, Pdc11, Pgk1 and Tdh3. Furthermore, 13 of these 16 proteins are immunogenic and could represent a set of interesting candidates for biomarker discovery. PMID- 29223802 TI - Proteogenomic insights into uranium tolerance of a Chernobyl's Microbacterium bacterial isolate. AB - : Microbacterium oleivorans A9 is a uranium-tolerant actinobacteria isolated from the trench T22 located near the Chernobyl nuclear power plant. This site is contaminated with different radionuclides including uranium. To observe the molecular changes at the proteome level occurring in this strain upon uranyl exposure and understand molecular mechanisms explaining its uranium tolerance, we established its draft genome and used this raw information to perform an in-depth proteogenomics study. High-throughput proteomics were performed on cells exposed or not to 10MUM uranyl nitrate sampled at three previously identified phases of uranyl tolerance. We experimentally detected and annotated 1532 proteins and highlighted a total of 591 proteins for which abundances were significantly differing between conditions. Notably, proteins involved in phosphate and iron metabolisms show high dynamics. A large ratio of proteins more abundant upon uranyl stress, are distant from functionally-annotated known proteins, highlighting the lack of fundamental knowledge regarding numerous key molecular players from soil bacteria. BIOLOGICAL SIGNIFICANCE: Microbacterium oleivorans A9 is an interesting environmental model to understand biological processes engaged in tolerance to radionuclides. Using an innovative proteogenomics approach, we explored its molecular mechanisms involved in uranium tolerance. We sequenced its genome, interpreted high-throughput proteomic data against a six-reading frame ORF database deduced from the draft genome, annotated the identified proteins and compared protein abundances from cells exposed or not to uranyl stress after a cascade search. These data show that a complex cellular response to uranium occurs in Microbacterium oleivorans A9, where one third of the experimental proteome is modified. In particular, the uranyl stress perturbed the phosphate and iron metabolic pathways. Furthermore, several transporters have been identified to be specifically associated to uranyl stress, paving the way to the development of biotechnological tools for uranium decontamination. PMID- 29223803 TI - Fine electron biprism on a Si-on-insulator chip for off-axis electron holography. AB - Off-axis electron holography allows both the amplitude and the phase shift of an electron wavefield propagating through a specimen in a transmission electron microscope to be recovered. The technique requires the use of an electron biprism to deflect an object wave and a reference wave to form an interference pattern. Here, we introduce an approach based on semiconductor processing technology to fabricate fine electron biprisms with rectangular cross-sections. By performing electrostatic calculations and preliminary experiments, we demonstrate that such biprisms promise improved performance for electron holography experiments. PMID- 29223804 TI - Oxindole based oxadiazole hybrid analogs: Novel alpha-glucosidase inhibitors. AB - Inhibition of alpha-glucosidase is an effective strategy for controlling post prandial hyperglycemia in diabetic patients. Beside these alpha-glucosidase inhibitors has been also used as anti-obesity and anti-viral drugs. Keeping in view the greater importance of alpha-glucosidase inhibitors here in this study we are presenting oxindole based oxadiazoles hybrid analogs (1-20) synthesis, characterized by different spectroscopic techniques including 1H NMR and EI-MS and their alpha-glucosidase inhibitory activity. All compounds were found potent inhibitors for the enzyme with IC50 values ranging between 1.25 +/- 0.05 and 268.36 +/- 4.22 uM when compared with the standard drug acarbose having IC50 value 895.09 +/- 2.04 uM. Our study identifies novel series of potent alpha glucosidase inhibitors and further investigation on this may led to the lead compounds. A structure activity relationship has been established for all compounds. The interactions of the active compounds and enzyme active site were established with the help of molecular docking studies. PMID- 29223805 TI - Development of pyrrolo[2,1-c][1,4]benzodiazepine beta-glucoside prodrugs for selective therapy of cancer. AB - Cancer chemotherapy has several limitations such as often insufficient differentiation between malign tissue and benign tissue. The clinical utility of the pyrrolo[2,1-c][1,4]benzodiazepines (PBDs) are inadequate because of the lack of selectivity for tumor tissues, high reactivity of the pharmacophoric imine functionality, low water solubility, and stability. To address these limitations two new beta-glucoside prodrugs of PBDs have been synthesized and evaluated for their potential use in selective therapy of solid tumors by ADEPT. The preliminary studies reveal the prodrugs are much less toxic compared to the parent moieties. These prodrugs are activated by beta-glucosidase to produce the active cytotoxic moiety signifying their utility in ADEPT of cancer. The prodrugs 1a and 1b were evaluated for their cytotoxic activity in three human cancer cell lines, i.e., A375, MCF-7 and HT-29 by employing MTT assay. The results reveal that the prodrugs have shown significant cytotoxic activity in the presence of enzyme. Another important property of these molecules is their enhanced water solubility and stability, which are essential for a molecule to be an effective drug. PMID- 29223806 TI - Preventing the N-terminal processing of human interferon alpha-2b and its chimeric derivatives expressed in Escherichia coli. AB - We have previously shown that human interferon alpha-2b (IFN) produced in Escherichia coli (E. coli) is heterogeneous at the N-terminal, with three major species (Ahsan et al., 2014). These are: (a) the direct translation product of the gene retaining the N-terminal methionine, (b) a species from which the methionyl residue has been removed by E. coli methionyl aminopeptidase to give the native interferon alpha-2b and (c) in which the N-terminal Cys residue of the latter contains an acetyl group. In this paper we overcome this heterogeneity, using engineered interferon derivatives with phenylalanine residue directly downstream of the N-terminal methionine (Met-Phe-IFN). This modification not only prevented the removal of the N-terminal methionine by E. coli methionyl aminopeptidase but also the subsequent N-acetylation. Critically, Met-Phe-IFN had enhanced activity in a biological assay. N-terminal stabilization was also achieved by fusing human cytochrome b5 at the N-terminal of interferon (b5-IFN chimera). In this case also, the protein was more active than a reciprocal chimera with cytochrome b5 at the C-terminal of interferon (Met-IFN-b5-chimera). This latter protein also had a heterogeneous N-terminal but addition of phenylalanine following Met, (Met-Phe-IFN-b5-chimera), resolved this problem and gave enhanced biological activity. PMID- 29223807 TI - Design, synthesis, and biological evaluation of deuterated phenylpropionic acid derivatives as potent and long-acting free fatty acid receptor 1 agonists. AB - The free fatty acid receptor 1 (FFA1) is a potential target due to its function in enhancement of glucose-stimulated insulin secretion. Takeda's compound 1 has robustly in vitro activity for FFA1, but it has been suffered from poor pharmacokinetic (PK) profiles because the phenylpropanoic acid is vulnerable to beta-oxidation. To identify orally available agonists, we tried to interdict the metabolically labile group by incorporating two deuterium atoms at the alpha position of phenylpropionic acid. Interestingly, the differences of physicochemical properties between hydrogen and deuterium are quite small, but there are many differences in the structure-activity relationship between phenylpropionic acid series and present deuterated series. Further optimizations of deuterated series led to the discovery of compound 18, which exhibited a superior balance in terms of in vitro activity, lipophilicity, and solubility. Better still, compound 18 revealed a lower clearance (CL = 0.44 L/h/kg), higher maximum concentration (Cmax = 7584.27 MUg/L), and longer half-life (T1/2 = 4.16 h), resulting in a >23-fold exposure than compound 1. In subsequent in vivo pharmacodynamic studies, compound 18 showed a robustly glucose-lowering effect in rodent without the risk of hypoglycemia. PMID- 29223808 TI - Perfluoroalkyl acid levels in first-time mothers in relation to offspring weight gain and growth. AB - We investigated if maternal body burdens of perfluoroalkyl acids (PFAAs) at the time of delivery are associated with birth outcome and if early life exposure (in utero/nursing) is associated with early childhood growth and weight gain. Maternal PFAA body burdens were estimated by analysis of serum samples from mothers living in Uppsala County, Sweden (POPUP), sampled three weeks after delivery between 1996 and 2011. Data on child length and weight were collected from medical records and converted into standard deviation scores (SDS). Multiple linear regression models with appropriate covariates were used to analyze associations between maternal PFAA levels and birth outcomes (n=381). After birth Generalized Least Squares models were used to analyze associations between maternal PFAA and child growth (n=200). Inverse associations were found between maternal levels of perfluorononanoic acid (PFNA), perfluorodecanoic acid (PFDA), and perfluoroundecanoic acid (PFUnDA), and birth weight SDS with a change of 0.10 to -0.18 weight SDS for an inter-quartile range (IQR) increase in ng/g PFAA. After birth, weight and length SDS were not significantly associated with maternal PFAA. However, BMI SDS was significantly associated with PFOA, PFNA, and PFHxS at 3 and 4years of age, and with PFOS at 4 and 5years of age. If causal, these associations suggest that PFAA affects fetal and childhood body development in different directions. PMID- 29223809 TI - Cadmium induces BNIP3-dependent autophagy in chicken spleen by modulating miR-33 AMPK axis. AB - Cadmium (Cd), a widespread environmental pollutant, has toxic effects on organs including spleen. However, the underlying mechanisms of Cd induced spleen toxicity and the roles of micro-RNA (miRNA) in this process remain poorly understood. To investigate this, cadmium chloride (CdCl2, 10 mg/kg) was administered in the diet of chickens for 90 days. Electron microscopy, qPCR and Western blot were performed. Results showed that Cd exposure suppressed miR-33-5q which increased the levels of AMPK. Subsequently, significant decrease in AKT/mTOR signaling and HSP70 were observed. Concurrently, levels of NF-kappaB, p JNK/JNK increased significantly. Moreover, the expression of BNIP3 and other autophagy markers (LC3-I, LC3-II, Beclin-1) increased significantly. Additionally, the levels of ions (Ca, Cr, Se, Sr, Sn, Ba) and (Na, Mg, V, Fe, Mo, Cu, Zn, Cd) significantly decreased and increased, respectively. Taken together, we conclude that Cd induced the deregulation of miR-33-AMPK axis led to BNIP3 dependent autophagy in chicken spleen through AKT/mTOR and HSP70-NF-kappaB/JNK signal pathways. In-addition Cd could affect ion homeostasis in chicken spleen. PMID- 29223810 TI - Response to the comments on ''Changes in activation energy and kinetics of heat activated persulfate oxidation of phenol in response to changes in pH and temperature'' by Ma, J., Li, H., Chi, L., Chen, H., & Chen, C. [Chemosphere 189 (2017) 86-93]. PMID- 29223811 TI - Predicting apparent singlet oxygen quantum yields of dissolved black carbon and humic substances using spectroscopic indices. AB - Dissolved black carbon (DBC) is ubiquitous in aquatic systems, being an important subgroup of the dissolved organic matter (DOM) pool. Nevertheless, its aquatic photoactivity remains largely unknown. In this study, a range of spectroscopic indices of DBC and humic substance (HS) samples were determined using UV-Vis spectroscopy, fluorescence spectroscopy, and proton nuclear magnetic resonance. DBC can be readily differentiated from HS using spectroscopic indices. It has lower average molecular weight, but higher aromaticity and lignin content. The apparent singlet oxygen quantum yield (Phisinglet oxygen) of DBC under simulated sunlight varies from 3.46% to 6.13%, significantly higher than HS, 1.26%-3.57%, suggesting that DBC is the more photoactive component in the DOM pool. Despite drastically different formation processes and structural properties, the Phisinglet oxygen of DBC and HS can be well predicted by the same simple linear regression models using optical indices including spectral slope coefficient (S275-295) and absorbance ratio (E2/E3) which are proxies for the abundance of singlet oxygen sensitizers and for the significance of intramolecular charge transfer interactions. The regression models can be potentially used to assess the photoactivity of DOM at large scales with in situ water spectrophotometry or satellite remote sensing. PMID- 29223812 TI - Could saponins be used to enhance bioremediation of polycyclic aromatic hydrocarbons in aged-contaminated soils? AB - Polycyclic aromatic hydrocarbons (PAH) are persistent organic compounds of major concern that tend to accumulate in the environment, threatening ecosystems and health. Brownfields represent an important tank for PAHs and require remediation. Researches to develop bioremediation and phytoremediation techniques are being conducted as alternatives to environmentally aggressive, expensive and often disruptive soil remediation strategies. The objectives of the present study were to investigate the potential of saponins (natural surfactants) as extracting agents and as bioremediation enhancers on an aged-contaminated soil. Two experiments were conducted on a brownfield soil containing 15 PAHs. In a first experiment, soil samples were extracted with saponins solutions (0; 1; 2; 4 and 8 g.L-1). In a second experiment conducted in microcosms (28 degrees C), soil samples were incubated for 14 or 28 days in presence of saponins (0; 2.5 and 5 mg g-1). CO2 emissions were monitored throughout the experiment. After the incubation, dehydrogenase activity was measured as an indicator of microbiological activity and residual PAHs were determined. In both experiments PAHs were determined using High-Performance Liquid Chromatography and Fluorimetric Detection. The 4 g.L-1 saponins solution extracted significantly more acenaphtene, fluorene, phenanthrene, anthracene, and pyrene than water. PAHs remediation was not enhanced in presence of saponins compared to control samples after 28 days. However CO2 emissions and dehydrogenase activities were significantly more important in presence of saponins, suggesting no toxic effect of these surfactants towards soil microbiota. PMID- 29223813 TI - Facile and eco-friendly fabrication of AgNPs coated silk for antibacterial and antioxidant textiles using honeysuckle extract. AB - Recently, there is a growing trend towards the functionalization of silk through nanotechnology for the prevention of fiber damage from microbial attack and the enhancement of hygienic aspects. Considering sustainable development and environmental protection, the eco-friendly fabrication of silver nanoparticles (AgNPs)-modified silk using natural extracts has currently become a hot research area. This study presents a facile strategy for the fabrication of colorful and multifunctional silk fabric using biogenic AgNPs prepared by honeysuckle extract as natural reductant and stabilizing agents. The influences of pH and reactant concentrations on the AgNPs synthesis were investigated. The color characteristics and functionalities of AgNPs treated silk were evaluated. The results revealed that the particle size of AgNPs decreased with increasing pH. The diameter of AgNPs decreased with increasing amount of honeysuckle extract and reducing amount of silver nitrate. The transmission electron microscopy image showed that the AgNPs were spherical in shape with a narrow size distribution. The treated silk showed excellent antibacterial activities against E. coli and S. aureus, and certain antioxidant activity. Both of the antibacterial and antioxidant activities were well maintained even after 30 washing cycles. This work provides a sustainable and eco-friendly approach to the fabrication of AgNPs coated silk for colorful and long-term multifunctional textiles using honeysuckle extract. PMID- 29223814 TI - A metabolomics strategy to assess the combined toxicity of polycyclic aromatic hydrocarbons (PAHs) and short-chain chlorinated paraffins (SCCPs). AB - The combined toxicity of mixed chemicals is usually evaluated according to several specific endpoints, and other potentially toxic effects are disregarded. In this study, we provided a metabolomics strategy to achieve a comprehensive understanding of toxicological interactions between mixed chemicals on metabolism. The metabolic changes were quantified by a pseudotargeted analysis, and the types of combined effects were quantitatively discriminated according to the calculation of metabolic effect level index (MELI). The metabolomics strategy was used to assess the combined effects of polycyclic aromatic hydrocarbons (PAHs) and short-chain chlorinated paraffins (SCCPs) on the metabolism of human hepatoma HepG2 cells. Our data suggested that exposure to a combination of PAHs and SCCPs at human internal exposure levels could result in an additive effect on the overall metabolism, whereas diverse joint effects were observed on various metabolic pathways. The combined exposure could induce a synergistic up regulation of phospholipid metabolism, an additive up-regulation of fatty acid metabolism, an additive down-regulation of tricarboxylic acid cycle and glycolysis, and an antagonistic effect on purine metabolism. SCCPs in the mixture acted as the primary driver for the acceleration of phospholipid and fatty acid metabolism. Lipid metabolism disorder caused by exposure to a combination of PAHs and SCCPs should be an important concern for human health. PMID- 29223815 TI - Attenuation of bacterial cytotoxicity of carbon nanotubes by riverine suspended solids in water. AB - The impact of solid particles on ecotoxicity of nanomaterials in water environments is poorly understood. This study investigated the effect of natural riverine suspended solids (SPS) on the cytotoxicity of single-walled carbon nanotubes (SWCNTs) towards a bacterium, Ochrobactrum sp. in water. Compared with SWCNT suspension without SPS, the presence of SPS at different concentrations ranging from 20 to 400 mg L-1 markedly increased the survival rates of bacteria exposed to 50 mg L-1 SWCNTs and bacterial survival rates increased with SPS concentrations by a power law. Sedimentation experiments and field emission scanning electron microscopy revealed the occurrence of heteroaggregation between SWCNTs and SPS, probably responsible for the reduced SWCNT toxicity. Furthermore, the extended Derjaguin-Landau-Verwey-Overbeek (ExDLVO) calculation showed the mitigated toxicity might also result from the decreased SWCNT-bacterium interaction energy with the increased SPS concentrations and the stronger SPS SWCNT interaction than the SWCNT-bacterium interaction. This work provides new insights into our understanding of environmental hazards of engineered nanomaterials in aquatic systems. PMID- 29223816 TI - Cortex and hippocampus DNA epigenetic response to a long-term arsenic exposure via drinking water. AB - The neurotoxicity of arsenic is a serious health problem, especially for children. DNA epigenetic change may be an important pathogenic mechanism, but the molecular pathway remains obscure. In this study, the weaned male Sprague-Dawly (SD) rats were treated with arsenic trioxide via drinking water for 6 months, simulating real developmental exposure situation of children. Arsenic exposure impaired the cognitive abilities, and altered the expression of neuronal activity regulated genes. Total arsenic concentrations of cortex and hippocampus tissues were significantly increased in a dose-dependent manner. The reduction in 5 methylcytosine (5 mC) and 5-hydroxymethylcytosine (5hmC) levels as well as the down-regulation of DNA methyltransferases (DNMTs) and ten-eleven translocations (TETs) expression suggested that DNA methylation/demethylation processes were significantly suppressed in brain tissues. S-adenosylmethionine (SAM) level wasn't changed, but the expression of the important indicators of oxidative/anti oxidative balance and tricarboxylic acid (TCA) cycle was significantly deregulated. Overall, arsenic can disrupt oxidative/anti-oxidative balance, further inhibit TETs expression through TCA cycle and alpha-ketoglutarate (alpha KG) pathway, and consequently cause DNA methylation/demethylation disruption. The present study implies oxidative stress but not SAM depletion may lead to DNA epigenetic alteration and arsenic neurotoxicity. PMID- 29223817 TI - Elevated inflammatory Lp-PLA2 and IL-6 link e-waste Pb toxicity to cardiovascular risk factors in preschool children. AB - Cardiovascular toxicity of lead (Pb) manifests primarily as an effect on blood pressure and eventual increased risk of atherosclerosis and cardiovascular events. Therefore, we investigated vascular inflammatory biomarkers and cardiovascular effects of Pb-exposed children. A total of 590 children (3-7 years old) were recruited from Guiyu (n = 337), an electronic waste (e-waste)-exposed group, and Haojiang (n = 253), a reference group, from November to December 2016. We measured child blood Pb levels (BPbs), and systolic and diastolic blood pressure. Pulse pressure was calculated for the latter two. Serum biomarkers including lipid profiles and inflammatory cytokines, and plasma lipoprotein associated phospholipase A2 (Lp-PLA2) were detected. Unadjusted regression analysis illustrated that higher ln-transformed BPb associated with lower systolic blood pressure and pulse pressure. After adjustment for various confounders, the relational degree of lnBPb and blood pressure measures became slightly attenuated or not significant. Elevated BPb was associated with higher Lp-PLA2, interleukin (IL)-6, triglycerides (TG) and lower high-density lipoprotein (HDL). Lp-PLA2 remained inversely associated with pulse pressure and HDL, but positively with ratios of total cholesterol to HDL (Tc/HDL) and low density lipoprotein to HDL (LDL/HDL). IL-6 was associated negatively with systolic blood pressure, pulse pressure and HDL, and positively associated with TG, Tc/HDL and LDL/HDL. The mediation effect of biomarkers on the association of BPb with pulse pressure was insignificant except for Lp-PLA2. Available data supports the conclusion that e-waste-exposed children with higher BPbs and concomitant abnormal measures of cardiovascular physiology have an augmented prevalence of vascular inflammation, as well as lipid disorder. PMID- 29223818 TI - Application of airborne photogrammetry for the visualisation and assessment of contamination migration arising from a Fukushima waste storage facility. AB - Airborne systems such as lightweight and highly portable unmanned aerial vehicles (UAVs) are becoming increasingly widespread in both academia and industry - with an ever-increasing range of applications, including (but not limited to), air quality sampling, wildlife monitoring and land-use mapping. In this work, high resolution airborne photogrammetry obtained using a multi-rotor system operating at low survey altitudes, is combined with ground-based radiation mapping data acquired at an interim storage facility for wastes removed as part of the large scale Fukushima clean-up program. The investigation aimed to assess the extent to which the remediation program at a specific site has contained the stored contaminants, as well as present a new methodology for rapidly surveying radiological sites globally. From the three-dimensional rendering of the site of interest, it was possible to not only generate a powerful graphic confirming the elevated radiological intensity existing at the location of the waste bags, but also to also illustrate the downslope movement of contamination due to species leakage from the large 1m3 storage bags. The entire survey took less than 1 h to perform, and was subsequently post-processed using graphical information software to obtain the renderings. The conclusions within this study not only highlight the usefulness of incorporating three-dimensional renderings within radiation mapping protocols, but also conclude that current methods of monitoring these storage facilities in the long term could be improved through the integration of UAVs within the standard protocol. PMID- 29223819 TI - Global occurrence of polybrominated diphenyl ethers and their hydroxylated and methoxylated structural analogues in an important animal feed (fishmeal). AB - Polybrominated diphenyl ethers (PBDEs) and their hydroxylated (OH) and methoxylated (MeO) structural analogues have been found widely distributed in aquatic ecosystems, and may exhibit potential adverse effects to humans due to their bioaccumulative behavior through food chain. Fishmeal is an important animal feed applied around the world and is generally of marine origin. However, the levels and sources of PBDEs in fishmeal have not been thoroughly evaluated and their structural analogues have not been reported to date. The present study collected ninety-two fishmeal samples from world main fishmeal producing area to determine 27 PBDEs, 10 MeO-PBDEs and 11 OH-PBDEs. The concentrations of Sigma27PBDEs, Sigma10MeO-PBDEs and Sigma11OH-PBDEs were in the ranges of 0.1-1498 (mean: 75.8), 1.14-881 (37.4) and 1.00-47.5 (8.17) ng/g lipid, respectively. PBDEs were found primarily correlated with the historically commercial production, meaning higher production of certain commercial product in a country, higher corresponding PBDE congeners in local fishmeal. A market shift from penta- and octa-formulations toward deca-formulation was observed. BDE209 was identified as a major congener in fishmeal. Both the MeO-PBDEs and the OH-PBDEs were influenced by fishmeal producing areas (p < 0.001). High MeO-PBDEs were identified in the Southeast Asian fishmeal, which might be due to the suitable environmental conditions for the generation of bromoperoxidase-contained algae in local area. The ratio of two major MeO-PBDE congeners, 6-MeO-BDE47/2'-MeO-BDE68, were generally >1 in the northern hemisphere and <1 in the southern hemisphere in the present study, which was consistent with the results obtained from previous published papers. Both MeO-PBDEs and OH-PBDEs were in accordance with the specialties of naturally produced halogenated compounds. PMID- 29223820 TI - Arsenic mobility and characterization in lakes impacted by gold ore roasting, Yellowknife, NWT, Canada. AB - The controls on the mobility and fate of arsenic in lakes impacted by historical gold ore roasting in northern Canada have been examined. A detailed characterization of arsenic solid and aqueous phases in lake waters, lake sediments and sediment porewaters as well as surrounding soils was conducted in three small lakes (<200ha) downwind and within 5 km of the historic mining and roasting operations of Giant Mine (Northwest Territories). These lakes are marked by differing limnological characteristics such as area, depth and organic content. Radiometric age-dating shows that the occurrence of arsenic trioxide in lake sediments coincides with the regional onset of roasting activities. Quantification by advanced electron microscopy shows that arsenic trioxide accounts for up to 6 wt% of the total arsenic in sediments. The bulk (>80 wt%) of arsenic is contained in the form of secondary sulphide precipitates, with iron oxy-hydroxides hosting a minimal amount of arsenic (<1 wt%). Soluble arsenic trioxide particles act as the primary source of arsenic into sediment porewaters. Dissolved arsenic in reducing porewaters both precipitates in-situ as secondary sulphides, and diffuses upwards into the overlying lake waters. Geogenic arsenic phases are present in sediments in low concentrations and are not considered a significant source of arsenic to porewaters or lake waters. Sediment-water interface diffusive flux calculations suggest that the diffusion of dissolved arsenic from porewaters, combined with lake water residence time, are the predominant mechanisms controlling arsenic concentrations in lake waters. PMID- 29223822 TI - Exposure to acrylamide induces cardiac developmental toxicity in zebrafish during cardiogenesis. AB - Acrylamide (AA), an environmental pollutant, has been linked to neurotoxicity, genotoxicity and carcinogenicity. AA is widely used to synthesize polymers for industrial applications, is widely found in Western-style carbohydrate-rich foods and cigarette smoke, and can also be detected in human umbilical cord blood and breast milk. This is the first study that demonstrated the cardiac developmental toxicity of AA in zebrafish embryos. Post-fertilization exposure to AA caused a clearly deficient cardiovascular system with a shrunken heart and abortive morphogenesis and function. Disordered expression of the cardiac genes, myl7, vmhc, myh6, bmp4, tbx2b and notch1b, as well as reduced number of myocardial cells and endocardial cells, indicated the collapsed development of ventricle and atrium and failed differentiation of atrioventricular canal (AVC). Although cell apoptosis was not affected, the capacity of cardiomyocyte proliferation was significantly reduced by AA exposure after fertilization. Further investigation showed that treatment with AA specifically reduced the expressions of nkx2.5, myl7 and vmhc in the anterior lateral plate mesoderm (ALPM) during the early cardiogenesis. In addition, AA exposure disturbed the restricted expressions of bmp4, tbx2b and notch1b during atrioventricular (AV) valve development and cardiac chambers maturation. Our results showed that AA-induced cardiotoxicity was related to decreased cardiac progenitor genes expression, reduced myocardium growth, abnormal cardiac chambers morphogenesis and disordered AVC differentiation. Our study demonstrates that AA exposure during a time point analogous to the first trimester in humans has a detrimental effect on early heart development in zebrafish. A high ingestion rate of AA-containing products may be an underlying risk factor for cardiogenesis in fetuses. PMID- 29223821 TI - Germination, physiological and biochemical responses of acacia seedlings (Acacia raddiana and Acacia tortilis) to petroleum contaminated soils. AB - Along the arid Arava, southern Israel, acacia trees (Acacia raddiana and Acacia tortilis) are considered keystone species. Yet they are threatened by the ongoing aquifer depletion for agriculture, the conversion of natural land to agricultural land, seed infestation by bruchid beetles, and the reduction in precipitation level in the region. In the acacia dominated Evrona reserve (southern Arava), adding to these threats are recurrent oil spills from an underground pipeline. We report here a study of the effects of contaminated soils, from a recent (December 2014) and a much older (1975) oil spills. The effects of local petroleum oil contaminated soils on germination and early growing stages of the two acacia species were studied by comparisons with uncontaminated (control) soils from the same sites. For both acacia species, germination was significantly reduced in the 2014 oil-contaminated soils, whereas delayed in the 1975 oil-contaminated soil. There was no significant effect of oil volatile compounds on seed germination. At 105 days post transplanting (DPT), height, leaf number, stem diameter, and root growth were significantly smaller in the oil-contaminated soils. While photosynthetic performance (quantum yield of photosystem II) did not differ considerably between treatments, reductions of chlorophylls content and protein content were found in seedlings growing in the contaminated soils. Significant increases in superoxide dismutase (SOD) and ascorbate peroxidase (APX) activities were found in roots of seedlings growing in oil-contaminated soils. These results demonstrate that seed germination and seedling growth of both acacia species were strongly restricted by oil contamination in soils, from both recent (2014) and a 40-year old (1975) oil spills. Such long-term effects of oil spills on local acacia seedlings could shift the structure of local acacia communities. These results should be taken into account by local authorities aiming to clean up and restore such polluted areas. PMID- 29223823 TI - The effect of reducing EEG electrode number on the visual interpretation of the human expert for neonatal seizure detection. AB - OBJECTIVES: To measure changes in the visual interpretation of the EEG by the human expert for neonatal seizure detection when reducing the number of recording electrodes. METHODS: EEGs were recorded from 45 infants admitted to the neonatal intensive care unit (NICU). Three experts annotated seizures in EEG montages derived from 19, 8 and 4 electrodes. Differences between annotations were assessed by comparing intra-montage with inter-montage agreement (K). RESULTS: Three experts annotated 4464 seizures across all infants and montages. The inter expert agreement was not significantly altered by the number of electrodes in the montage (p = 0.685, n = 43). Reducing the number of EEG electrodes altered the seizure annotation for all experts. Agreement between the 19-electrode montage (K19,19 = 0.832) was significantly higher than the agreement between 19 and 8 electrode montages (dK = 0.114; p < 0.001, n = 42) or 19 and 4-electrode montages (dK = 0.113, p < 0.001, n = 43). Seizure burden and number were significantly underestimated by the 4 and 8-electrode montage (p < 0.001). No significant difference in agreement was found between 8 and 4-electrode montages (dK = 0.002; p = 0.07, n = 42). CONCLUSIONS: Reducing the number of EEG electrodes from 19 electrodes resulted in slight but significant changes in seizure detection. SIGNIFICANCE: Four-electrode montages for routine EEG monitoring are comparable to eight electrodes for seizure detection in the NICU. PMID- 29223824 TI - Correlating motor unit morphology with bioelectrical activity - A simulation study. AB - OBJECTIVES: The aim was to determine motor unit morphology underpinning the various MUP waveforms using MUP analysis. METHOD: The simulation method is based on the decomposition of MUP into single fiber potentials. Number of fibers, fiber diameters and fiber to electrode distances were determined. The impact of each muscle fiber on the MUP waveform was determined and quantified by its percentage contribution. RESULTS: The origin of the four examined MUPs of distinct waveforms have been explained by showing the histograms of fiber diameters and their distance to the electrode. In the case of a low amplitude MUP it was found that it originated from fibers of smaller than normal diameters with no dominant fiber. In another case of a MUP of short duration its shape was due to a single fiber close to the electrode which contributed to about 80% of the MUP. In case of polyphasic MUP, muscle fiber diameters variability was responsible for MUP characteristic. MUP from normal muscle originated from few fibers of similar diameters. Correlation between MUP's characteristic and morphological features has been indicated. Our findings are consistent with the neurophysiological knowledge about the origins of MUP. The approximation method enables MUP analysis that provides quantitative description of motor unit morphology. CONCLUSION: MUP analysis using an approximation method enables to get an insight into motor unit morphology and therefore increases understanding of the way the motor unit structure correlates with MUP waveform. SIGNIFICANCE: Extending the amount of information available from EMG examinations. PMID- 29223825 TI - Theranostic liposomes as a bimodal carrier for magnetic resonance imaging contrast agent and photosensitizer. AB - The present study is focused on the development of liposomes bearing gadolinium chelate (GdLip) providing two functionalities for magnetic resonance imaging (MRI) and photodynamic therapy of cancer. A lipid derivative of gadolinium(III) diethylenetriamine pentaacetic acid salt (GdDTPA1) was inserted in the liposomal membrane and served as MRI contrast agent whereas a zinc phthalocyanine (ZnPc) was used as a model photosensitizer. In addition to conventional liposomes, pegylated lipids were used for the preparation of "stealth" liposomes. The characterization of different GdLip formulations involved evaluation of the liposomes size by nanoparticle tracking analysis, thermal phase behavior by differential scanning calorimetry and ZnPc-mediated singlet oxygen production. Furthermore, relaxivity measurements were performed as well as cytotoxicity and photodynamic activity against cancerous and normal cell lines was studied. Size and thermal behavior were only slightly influenced by GdLip composition, however it distinctly affected singlet oxygen production of ZnPc-loaded GdLip. The quantum yields of singlet oxygen generation by zinc phthalocyanine incorporated in GdLip containing cationic or/and pegylated lipids were smaller than those obtained for non-pegylated carriers with l-alpha-phosphatidylglycerol. In general, all formulations of GdLip, irrespectively of composition, were characterized by relaxivities higher than those of commercially used contrast agents (e.g. Magnevist(r)). NMR study has shown that the incorporation of ZnPc into the formulations of GdLip increases the relaxation parameters r1 and r2, compared to the values for the non-loaded vesicles. GdDTPA1 did not influence the photodynamic activity of ZnPc against HeLa cells. PMID- 29223826 TI - Modulation effect of double strand DNA on the self-assembly of N-terminal domain of Euplotes octocarinatus centrin. AB - Centrin is a member of the EF-hand super family of calcium-binding proteins, which can behave as a part of damage detector initiated the initiation of nucleotide excision repair (NER). Its self-assembly plays a causative role in fiber contraction associated with the cell division cycle and ciliogenesis. To explore the possible role of DNA in the process of centrin self-assembly, the aggregation properties of N-terminal domain of Euplotes octocarinatus centrin (N EoCen) in the presence of DNA with or without metal ions are investigated. It is verified that metal ions, such as Ca2+ and Tb3+, can bind to N-EoCen with 2:1 stoichiometry by isothermal titration calorimetry (ITC). Importantly, this study reports that double strand DNA (dsDNA) is capable of binding N-EoCen, changing conformation of protein and modulating centrin aggregation, as demonstrated by extensive biophysical assays. Interestingly, the open conformation of protein induced by metal ions may be favour of the interaction of protein with dsDNA. Nevertheless, the randomly coiled single strand DNA (ssDNA) is completely inefficient to the aggregation regulation. Furthermore, results reveal that hydrophobic site could play important role in the process. This finding may link to the potent roles of centrin in the NER process. PMID- 29223827 TI - Colonic aberrant crypt formation accompanies an increase of opportunistic pathogenic bacteria in C57BL/6 mice fed a high-fat diet. AB - The increasing worldwide incidence of colon cancer has been linked to obesity and consumption of a high-fat Western diet. To test the hypothesis that a high-fat diet (HFD) promotes colonic aberrant crypt (AC) formation in a manner associated with gut bacterial dysbiosis, we examined the susceptibility to azoxymethane (AOM)-induced colonic AC and microbiome composition in C57/BL6 mice fed a modified AIN93G diet (AIN, 16% fat, energy) or an HFD (45% fat, energy) for 14 weeks. Mice receiving the HFD exhibited increased plasma leptin, body weight, body fat composition and inflammatory cell infiltration in the ileum compared with those in the AIN group. Consistent with the gut inflammatory phenotype, we observed an increase in colonic AC, plasma interleukin-6, tumor necrosis factor alpha, monocyte chemoattractant protein-1 and inducible nitric oxide synthase in the ileum of the HFD-AOM group compared with the AIN-AOM group. Although the HFD and AIN groups did not differ in bacterial species number, the HFD and AIN diets resulted in different bacterial community structures in the colon. The abundance of certain short-chain fatty acid (SCFA) producing bacteria (e.g., Barnesiella) and fecal SCFA (e.g., acetic acid) content were lower in the HFD-AOM group compared with the AIN and AIN-AOM groups. Furthermore, we identified a high abundance of Anaeroplasma bacteria, an opportunistic pathogen in the HFD-AOM group. Collectively, we demonstrate that an HFD promotes AC formation concurrent with an increase of opportunistic pathogenic bacteria in the colon of C57BL/6 mice. PMID- 29223828 TI - Rationale for combination of therapeutic antibodies targeting tumor cells and immune checkpoint receptors: Harnessing innate and adaptive immunity through IgG1 isotype immune effector stimulation. AB - Immunoglobulin (Ig) G1 antibodies stimulate antibody-dependent cell-mediated cytotoxicity (ADCC). Cetuximab, an IgG1 isotype monoclonal antibody, is a standard-of-care treatment for locally advanced and recurrent and/or metastatic squamous cell carcinoma of the head and neck (SCCHN) and metastatic colorectal cancer (CRC). Here we review evidence regarding the clinical relevance of cetuximab-mediated ADCC and other immune functions and provide a biological rationale concerning why this property positions cetuximab as an ideal partner for immune checkpoint inhibitors (ICIs) and other emerging immunotherapies. We performed a nonsystematic review of available preclinical and clinical data involving cetuximab-mediated immune activity and combination approaches of cetuximab with other immunotherapies, including ICIs, in SCCHN and CRC. Indeed, cetuximab mediates ADCC activity in the intratumoral space and primes adaptive and innate cellular immunity. However, counterregulatory mechanisms may lead to immunosuppressive feedback loops. Accordingly, there is a strong rationale for combining ICIs with cetuximab for the treatment of advanced tumors, as targeting CTLA-4, PD-1, and PD-L1 can ostensibly overcome these immunosuppressive counter mechanisms in the tumor microenvironment. Moreover, combining ICIs (or other immunotherapies) with cetuximab is a promising strategy for boosting immune response and enhancing response rates and durability of response. Cetuximab immune activity-including, but not limited to, ADCC-provides a strong rationale for its combination with ICIs or other immunotherapies to synergistically and fully mobilize the adaptive and innate immunity against tumor cells. Ongoing prospective studies will evaluate the clinical effect of these combination regimens and their immune effect in CRC and SCCHN and in other indications. PMID- 29223829 TI - Is Depression with increased antithyroid autoantibodies a mere chance finding or Hashimoto's Encephalopathy? PMID- 29223830 TI - Being 80% female and 20% male: Delusional pseudotransexualism in a case of Schizophrenia. PMID- 29223831 TI - Braid cut anxiety in females: A newly emerged epidemic of mass hysteria in North India. PMID- 29223832 TI - Surgery for mesothelioma: Less is more, more or less. PMID- 29223833 TI - Valve-sparing repair with intraoperative balloon dilation in tetralogy of Fallot: Midterm results and therapeutic implications. AB - OBJECTIVES: The significant morbidity of long-term pulmonary regurgitation (PR) has driven the development of pulmonary valve (PV) sparing repair strategies in patients with tetralogy of Fallot (ToF). We assessed mid-term PV function in patients who underwent primary ToF repair with valve-sparing intraoperative balloon dilation (IBD) technique. METHODS: We evaluated 162 consecutive patients with ToF and pulmonary stenosis (ToF-PS) who underwent valve-sparing repair with IBD under 1 year of age. RESULTS: Median age at surgery was 98 days (interquartile range [IQR], 72-126) and median follow-up was 2.5 years (IQR, 0.6 4.9). Median preoperative PV annulus z score was -2.2 (IQR, -2.5 to -1.8). Twenty five patients (15.4%) required reintervention for residual valvular stenosis. Multivariable analysis demonstrated preoperative annulus z score less than -2.45 (P = .036) and younger age at surgery (P = .001) were independent risk factors for early reintervention for stenosis. Freedom from at least moderate PR was 77%, 61%, and 43% at 1, 3, and 5 years postrepair. Right ventricular dimensions were not significantly different compared with a matched cohort of patients undergoing transannular patch repair at midterm follow-up. CONCLUSIONS: Patients with ToF-PS who undergo valve-sparing repair with IBD develop progressive PR. Compared with transannular patch repair, the extent of RV dilation at midterm follow-up is not significantly different. Patients younger than 3 months of age and those with an annulus z score less than -2.45 experience higher rates of early reintervention for PV stenosis. In these patient subgroups, alternative strategies should be considered. This study suggests valve-sparing repair with IBD does not preserve long-term PV function in patients with ToF-PS. PMID- 29223834 TI - Prognostic significance and adjuvant chemotherapy survival benefits of a solid or micropapillary pattern in patients with resected stage IB lung adenocarcinoma. AB - OBJECTIVE: To evaluate the prognostic significance and beneficiaries of adjuvant chemotherapy (ACT) in various histological patterns of stage IB lung adenocarcinoma according to the 8th tumor-node-metastasis (TNM) classification. METHODS: A total of 1131 patients with pathological stage IB lung adenocarcinoma according to the 8th TNM classification who underwent lobectomy or segmentectomy were enrolled in this study. Based on the proportion of solid/micropapillary components, the patients were classified into 3 groups: solid/micropapillary negative (SMPN) (n = 719; median survival, 49.7 months; interquartile range [IQR]. 35.1-67.0 months), solid/micropapillary-minor (SMPM; >5% but not predominant) (n = 272; median survival, 38.8 months; IQR, 26.6-51.5 months) and solid/micropapillary-predominant (SMPP; >5% and the most dominant) (n = 140; median survival, 39.6 months; IQR, 26.8-52.5 months). The predictors of disease specific survival and recurrence-free survival were investigated. To reduce selection bias, propensity score-matching analysis was implemented before survival data were compared. RESULTS: Our data show significant differences in survival rates based on the proportion of solid/micropapillary patterns. The SMPM group had significantly higher cumulative incidences of lung cancer-specific death (P = .000) and recurrence (P = .000) compared with the SMPN group, so did the SMPP group when compared with SMPM patients (P = .000 for both). Multivariate analysis showed that the SMPM and SMPP patterns were poor prognostic factors for disease-specific survival (hazard ratio [HR], 1.86; 95% confidence interval [CI], 1.12-3.09 and HR, 4.56; 95% CI, 2.69-7.71, respectively) and recurrence-free survival (HR, 1.64; 95% CI, 1.20-2.24 and HR, 2.43; 95% CI, 1.64-3.60, respectively), as were older age, male sex, smoking history, larger tumor size, necrosis, and abnormal pulmonary function. Survival analysis stratified by histological pattern showed that patients with the SMPP pattern who received ACT had obviously lower cumulative incidences of lung cancer-specific death (HR, 0.46; 95% CI, 0.22-0.93; P = .031) and recurrence (HR, 0.48; 95% CI, 0.26-0.88; P = .017). CONCLUSIONS: Solid/micropapillary patterns were associated with poor prognosis, even if they were not predominant. ACT contributed to survival benefits in the SMPP subgroup of patients with stage IB lung adenocarcinoma. PMID- 29223835 TI - Discussion. PMID- 29223836 TI - Everybody is different: A plea for individualizing treatment of aortopathy. PMID- 29223837 TI - Quadricuspid aortic valve surgical repair. PMID- 29223838 TI - Time to celebrate! PMID- 29223839 TI - Sequential segmentectomy: Known knowns, known unknowns, and unknown unknowns. PMID- 29223840 TI - All the small things: The impact of central venous catheters in neonates undergoing cardiac surgery. PMID- 29223841 TI - Adjuvant chemotherapy for resected earlier stage adenocarcinomas with unfavorable architecture. Should we incorporate histologic findings to the decision tree? PMID- 29223842 TI - Interstage evaluation of homograft-valved right ventricle to pulmonary artery conduits for palliation of hypoplastic left heart syndrome. AB - OBJECTIVE: Palliation of hypoplastic left heart syndrome with a standard nonvalved right ventricle to pulmonary artery conduit results in an inefficient circulation in part due to diastolic regurgitation. A composite right ventricle pulmonary artery conduit with a homograft valve has a hypothetical advantage of reducing regurgitation, but may differ in the propensity for stenosis because of valve remodeling. METHODS: This retrospective cohort study included 130 patients with hypoplastic left heart syndrome who underwent a modified stage 1 procedure with a right ventricle to pulmonary artery conduit from 2002 to 2015. A composite valved conduit (cryopreserved homograft valve anastomosed to a polytetrafluoroethylene tube) was placed in 100 patients (47 aortic, 32 pulmonary, 13 femoral/saphenous vein, 8 unknown), and a nonvalved conduit was used in 30 patients. Echocardiographic functional parameters were evaluated before and after stage 1 palliation and before the bidirectional Glenn procedure, and interstage interventions were assessed. RESULTS: On competing risk analysis, survival over time was better in the valved conduit group (P = .040), but this difference was no longer significant after adjustment for surgical era. There was no significant difference between groups in the cumulative incidence of bidirectional Glenn completion (P = .15). Patients with a valved conduit underwent more interventions for conduit obstruction in the interstage period, but this difference did not reach significance (P = .16). There were no differences between groups in echocardiographic parameters of right ventricle function at baseline or pre-Glenn. CONCLUSIONS: In this cohort of patients with hypoplastic left heart syndrome, inclusion of a valved right ventricle to pulmonary artery conduit was not associated with any difference in survival on adjusted analysis and did not confer an identifiable benefit on right ventricle function. PMID- 29223843 TI - Robotic surgery: Maximizing the potential of a minimally invasive platform. PMID- 29223844 TI - Bicuspid aortopathy: Seeing the forest for the trees. PMID- 29223845 TI - Seeing is believing: A call for routine early postoperative hemodynamic transesophageal echocardiography monitoring after left ventricular assist device implantation? PMID- 29223846 TI - Clinical features and surgical outcomes of pulmonary artery sarcoma. AB - OBJECTIVE: Pulmonary artery sarcoma is an exceedingly rare malignancy. There is a lack of consensus regarding its diagnosis and treatment. We reviewed our experience in the surgical management of pulmonary artery sarcoma over an 11-year period. METHODS: From January 2005 to February 2016, 12 patients with pulmonary artery sarcoma (age 51 +/- 14 years, 5 male) underwent surgical treatment at our center. Nine patients (75%) exhibited pulmonary trunk involvement on computed tomography angiography. Six patients (50%) were initially misdiagnosed with pulmonary embolism. RESULTS: Ten patients underwent pulmonary endarterectomy, and 3 of these patients required additional unilateral pneumonectomy. The remaining 2 patients underwent exploratory thoracotomy. One patient (8.3%) died in the hospital. The median length of postoperative intensive care unit and hospital stay were 1 day (range, 1-15 days) and 8 days (range, 5-21 days), respectively. The median postoperative survival of the total series was 18 months. Patients who received postoperative combined chemo- and radiotherapy were associated with improved survival compared with those who had isolated adjuvant therapy or surgery alone (median survival 28 vs 8 months, P = .042). CONCLUSIONS: Although pulmonary artery sarcoma has a very poor prognosis, surgical treatment offers a chance for symptom relief and better long-term outcome. Aggressive postoperative adjuvant treatment may be necessary to improve survival. PMID- 29223847 TI - Funding breakthrough therapies: A systematic review and recommendation. AB - BACKGROUND: Advanced therapy medicinal products (ATMPs) are innovative therapies likely associated with high prices. Payers need guidance to create a balance between ensuring patient access to breakthrough therapies and maintaining the financial sustainability of the healthcare system. OBJECTIVE: The aims of this study were to identify, define, classify and compare the approaches to funding high-cost medicines proposed in the literature, to analyze their appropriateness for ATMP funding and to suggest an optimal funding model for ATMPs. RESULTS: Forty-eight articles suggesting new funding models for innovative high-cost therapies were identified. The models were classified into 3 groups: financial agreement, health outcomes-based agreement and healthcoin. Financial agreement encompassed: discounts, rebates, price and volume caps, price-volume agreements, loans, cost-plus price, intellectual-based payment and fund-based payment. Health outcomes-based agreements were defined as agreements between manufacturers and payers based on drug performance, and were divided into performance-based payment and coverage with evidence development. Healthcoin described a new suggested tradeable currency used to assign monetary value to incremental outcomes. CONCLUSION: With a large number of ATMPs in development, it is time for stakeholders to start thinking about new pathways and funding strategies for these innovative high-cost therapies. An "ATMP-specific fund" may constitute a reasonable solution to ensure rapid patient access to innovation without threatening the sustainability of the health care system. PMID- 29223848 TI - Foliar spraying of salicylic acid induced accumulation of phenolics, increased radical scavenging activity and modified the composition of the essential oil of water stressed Thymus vulgaris L. AB - Polyphenolic compounds are considered valuable secondary plant metabolites owing to the myriad of biological activities they exert. This study aimed to investigate the effect of applying various concentrations of the plant growth regulator, salicylic acid (SA), on Thymus vulgaris L. while subjecting the plant to decreasing amounts of irrigation water. The following parameters were monitored; total polyphenolic and flavonoid content, yield and composition of the essential oil, and antioxidant activity of the alcoholic extracts. Drought alone significantly (P < 0.05) increased the polyphenolic and flavonoid content, yield of the essential oil and antioxidant activity. The total flavonoid content in control plants was 6.1 +/- 0.3 mg/gm dry weight calculated in terms of rutin equivalent. However, in drought stressed plants, (irrigated at 25% of the field capacity) sprayed with 3 mM SA, the flavonoid content increased to 32.1 +/- 0.1 mg/gm dry weight calculated in terms of rutin equivalent. Moreover, the total phenolic content increased from 8.5 +/- 0.3 to 68.5 +/- 1.2 mg/gm dry weight calculated in terms of gallic acid in the same test plants. Radical scavenging activity, using DPPH assay, was measured for the different plant treatments. A decrease from 74.4 +/- 0.4 MUg/ml to 36.6 +/- 0.9 MUg/ml of IC50 was recorded in the drought stressed plants (25% FC) sprayed with 3 mM SA compared with the control plants. The variability in polyphenolic composition between the control plants and plants with the highest total polyphenolic content was investigated by UPLC-ESI-MS/MS. Rosmarinic acid was detected as the major component in samples from both treatments, with a higher percentage observed upon subjecting the plant to the test conditions (25% FC and sprayed with 3 mM SA). The highest yield of the essential oil (1 +/- 0.06 %v/w) was obtained from drought stressed plants (25% FC) sprayed with 2 mM SA. GC/MS analysis of oil samples revealed that the Thymol content increased with drought stress, while that of p-cymene decreased. However, an increase of p-cymene was witnessed as a result of SA spraying. PMID- 29223849 TI - Subcellular distribution of molybdenum, ultrastructural and antioxidative responses in soybean seedlings under excess molybdenum stress. AB - Some studies have shown that excess molybdenum (Mo) could produce toxic effects on plants. However, little is known about the subcellular distribution of Mo and cell ultrastructure within plants under excess Mo stress. Here, we comprehensively analyzed the changes of Mo distribution in subcellular fractions, cell ultrastructure and antioxidant enzymes in leaves and roots of soybean seedlings in response to excess Mo stress. The results showed that roots exhibited higher Mo accumulation than leaves at the 100 mg L-1 Mo level, about 38.58-, 171.48- and 52.99-fold higher in cell walls, cell organelles and soluble fractions, respectively. Subcellular fractionations of Mo-containing tissues indicated that approximately 90% of Mo was accumulated in the soluble fractions and cell walls of the roots and leaves, and soluble fractions (accumulated 66.3 72.2% Mo) might serve as an effective storage site for excess Mo. Furthermore, excess Mo caused ultrastructural alterations in roots and leaves of soybean seedlings, leading to structural abnormality of chloroplast in leaf cells, plasmolysis, cellular deformity, vacuole enlargement and the swelling of cell wall and cytoplasm in root cells. Meanwhile, under excess Mo stress, the activity of POD, CAT and APX enzymes in roots was 1.43, 2.35 and 1.23 times that under standard Mo condition, while that of SOD and CAT enzymes in leaves was 1.23 and 1.94 times, respectively. This study provided novel insights into the mechanisms of excess Mo toxicity in soybean seedlings. PMID- 29223850 TI - Genome-wide analysis of carotenoid cleavage oxygenase genes and their responses to various phytohormones and abiotic stresses in apple (Malus domestica). AB - Carotenoid cleavage oxygenases (CCOs) are able to cleave carotenoids to produce apocarotenoids and their derivatives, which are important for plant growth and development. In this study, 21 apple CCO genes were identified and divided into six groups based on their phylogenetic relationships. We further characterized the apple CCO genes in terms of chromosomal distribution, structure and the presence of cis-elements in the promoter. We also predicted the cellular localization of the encoded proteins. An analysis of the synteny within the apple genome revealed that tandem, segmental, and whole-genome duplication events likely contributed to the expansion of the apple carotenoid oxygenase gene family. An additional integrated synteny analysis identified orthologous carotenoid oxygenase genes between apple and Arabidopsis thaliana, which served as references for the functional analysis of the apple CCO genes. The net photosynthetic rate, transpiration rate, and stomatal conductance of leaves decreased, while leaf stomatal density increased under drought and saline conditions. Tissue-specific gene expression analyses revealed diverse spatiotemporal expression patterns. Finally, hormone and abiotic stress treatments indicated that many apple CCO genes are responsive to various phytohormones as well as drought and salinity stresses. The genome-wide identification of apple CCO genes and the analyses of their expression patterns described herein may provide a solid foundation for future studies examining the regulation and functions of this gene family. PMID- 29223851 TI - Additional value of anaerobic threshold in a general mortality prediction model in a urban patient cohort with Chagas cardiomyopathy. AB - BACKGROUND: Anaerobic threshold (AT) is recognized as objective and direct measurement that reflects variations in metabolism of skeletal muscles during exercise. Its prognostic value in heart diseases of non-chagasic etiology is well established. However, the assessment of risk of death in Chagas heart disease is relatively well established by Rassi score. But, the added value that AT can bring to Rassi score has not been studied yet. OBJECTIVES: To assess whether AT presents additional effect to Rassi score in patients with chronic Chagas' heart disease. METHODS: Prospective research of dynamic cohort by review of 150 medical records of patients. Were selected for cohort 45 medical records of patients who underwent cardiopulmonary exercise testing between 1996-1997 and followed until September 2015. Data analysis to detect association between studied variables can be seen using a logistic regression model. The suitability of the models was verified using ROC curves and the coefficient of determination R2. RESULTS: 8 patients (17.78%) died by September 2015, with 7 of them (87.5%) from cardiovascular causes, of which 4 (57.14%) were considered on high risk by Rassi score. With Rassi score as independent variable, and death being the outcome, we obtained an area under the curve (AUC)=0.711, with R2=0.214. Instituting AT as independent variable, we found AUC=0.706, with R2=0.078. When we define Rassi score and AT as independent variables, it was obtained AUC=0.800 and R2=0.263. CONCLUSION: when AT is included in logistic regression, it increases by 5% the explanation (R2) to the death estimation. PMID- 29223852 TI - More effective prediction of mortality in Chagas heart disease patients? Importance of cardiopulmonary stress testing. PMID- 29223853 TI - Role of miR-195 in cigarette smoke-induced chronic obstructive pulmonary disease. AB - Chronic obstructive pulmonary disease (COPD) is regarded as a persistent respiratory symptom, mainly caused by cigarette smoking. Recent data have suggested that some miRNAs are involved in the pathogenesis of COPD. Here, we found that miR-195 was significantly upregulated in the lung tissues of patients with COPD compared to in never smokers. miR-195 expression was also upregulated in cigarette smoke (CS)-exposed mice. Lentivirus-mediated knockdown of miR-195 alleviated CS-induced lung pathological changes and reduced inflammatory cell infiltration as well as production of interleukin-6 and tumor necrosis factor alpha in bronchoalveolar lavage fluid. Mechanically, a positive correlation was found between miR-195 and phosphorylation of Akt in lung tissues of COPD patients. PHLPP2 was confirmed as a direct downstream target of miR-195 and negative regulator of miR-195 expression. Inhibition of PHLPP2 enhanced Akt phosphorylation and increased interleukin-6 and tumor necrosis factor-alpha production in BEAS-2B cells, resembling the effects of miR-195 overexpression. Collectively, our data indicate that miR-195 has a pathogenetic role in CS induced COPD and regulates Akt signaling by suppressing PHLPP2 expression. miR 195 may be an effective therapeutic target in COPD. PMID- 29223854 TI - Baicalein improves liver inflammation in diabetic db/db mice by regulating HMGB1/TLR4/NF-kappaB signaling pathway. AB - The current study was designed to investigate the hepatoprotective effects and possible mechanisms of Baicalein (BA) on the diabetic liver injury in vivo and in vitro. The results exhibited that BA significantly restored the blood glucose in oral glucose tolerance test (OGTT) and inhibited the levels of insulin, alanine aminotransferase (ALT), aspartate aminotransaminase (AST), total cholesterol (TC) and triglyceride (TG) in C57BL/KsJ-db/db mice. Moreover, BA strikingly attenuated the extent of steatosis in the liver tissues of diabetic mice. These results confirmed the hepatoprotective effects of BA on diabetic liver injury. Further in vivo investigations revealed that the hepatoprotective activities of BA was due to the effects on remarkably suppressing the inflammatory cascade, including attenuating the expressions of HMGB1, TLR4, Myd88, NF-kappaB and IkappaB proteins and inhibiting the production of interleukin (IL)-1beta, IL-6 and tumor necrosis factor (TNF)-alpha in diabetic mice. Finally, the hepatoprotective effects of BA were characterized in human hepatic HepG2 cells. With response to palmitic acid challenge, increased amount of insulin, ALT, AST, TG, TC were observed, whereas BA pretreatment significantly restored these changes in HepG2 cells. Inflammation condition was also recovered with BA treatment as shown by the changes of HMGB1, TLR4, Myd88, NF-kappaB and IkappaB expressions and the levels of IL-1beta, IL-6 and TNF-alpha. These findings elucidated that BA exhibited prominent hepatoprotective activities in diabetic live injury. PMID- 29223855 TI - Increased ADAM10 expression in patients with immune thrombocytopenia. AB - Immune thrombocytopenia (ITP) is an autoimmune disease, which is characterized by abnormal of T immunity. A disintegrin and metalloproteinase (ADAM) 10, a member of proteinase family, has been demonstrated to regulate T cell proliferation and effector function. Considering the closely association of dysregulation of T cell function with ITP, whether ADAM10 involves in the pathogenesis of ITP remains unclear. In this study, 54 active ITP patients, 18 ITP in remission and 24 age and gender matched healthy control were enrolled. Peripheral blood mononuclear cells (PBMCs) were isolated from patients and control for isolation of RNA and plasma which were used to measure mRNA level of ADAM10 and tissue inhibitor of metalloproteinase 3 (TIMP3) by quantitative real-time PCR and soluble level of FasL and lymphocyte activation gene-3 (LAG-3) in plasma by ELISA. Meanwhile, T cell activation was measured by flow cytometry. Our results showed significantly higher expression of ADAM10 and lower expression of TIMP3 in active ITP patients compared with control, which were all restored into normal level in remission patients. Consistent with the expression profile of ADAM10, increased soluble plasma level of FasL and LAG-3 were observed in active ITP patients and reduced to normal level in patients in remission. Furthermore, increased T cell activation as demonstrated by higher expression of HLA-DR and CD69 were found in active ITP patients. In conclusion, elevated expression of ADAM10 was associated with the pathogenesis and development of ITP and therapeutically targeting it might be a novel approach for the treatment of ITP. PMID- 29223856 TI - Modulation of glutathione peroxidase activity by age-dependent carbonylation in glomeruli of diabetic mice. AB - AIMS: Low levels of reactive oxygen species and resulting oxidative protein modifications may play a beneficial role in cellular function under stress conditions. Here we studied the influence of age-dependent protein carbonylation on expression and activity of the anti-oxidative selenoenzyme glutathione peroxidase (GPx) in insulin-deficient Ins2Akita mice and type 2 diabetic obese db/db mice in context of diabetic nephropathy. METHODS: Protein carbonylation, GPx expression and activity were examined in kidney tissue and lysates by common histological and protein biochemical methods. RESULTS: In kidneys of Ins2Akita mice, carbonylated proteins, GPx-1 and GPx-4 expression were mainly detected in podocytes and mesangial cells. GPx activity was increased in kidney cortex homogenates of these mice. Remarkably, young animals did not show a concomitant increase in GPx expression but enhanced GPx carbonylation. No carbonylation dependent modification of GPx activity was detected in db/db mice. In cultured podocytes hyperglycemia induced an increase in GPx expression but had no effect on activity or carbonylation. In kidney tissue sections of type 1 or type 2 diabetes patients, GPx-1 and GPx-4 expression but not overall protein carbonylation was significantly decreased. CONCLUSIONS: These results indicate the existence of a threshold for beneficial carbonylation-dependent redox signaling during the progression of diabetic nephropathy. PMID- 29223857 TI - When it is apt to adapt: Flexible reasoning guides children's use of talker identity and disfluency cues. AB - An eye-tracking methodology was used to examine whether children flexibly engage two voice-based cues, talker identity and disfluency, during language processing. Across two experiments, 5-year-olds (N = 58) were introduced to two characters with distinct color preferences. These characters then used fluent or disfluent instructions to refer to an object in a display containing items bearing either talker-preferred or talker-dispreferred colors. As the utterance began to unfold, the 5-year-olds anticipated that talkers would refer to talker-preferred objects. When children then encountered a disfluency in the unfolding description, they reduced their expectation that a talker was about to refer to a preferred object. The talker preference-related predictions, but not the disfluency-related predictions, were attenuated during the second half of the experiment as evidence accrued that talkers referred to dispreferred objects with equal frequency. In Experiment 2, the equivocal nature of talkers' referencing was made more apparent by removing neutral filler trials, where objects' colors were not associated with talker preferences. In this case, children ceased making all talker-related predictions during the latter half of the experiment. Taken together, the results provide insights into children's use of talker-specific cues and demonstrate that flexible and adaptive forms of reasoning account for the ways in which children draw on paralinguistic information during real-time processing. PMID- 29223858 TI - How to review an abstract for a scientific meeting. PMID- 29223859 TI - Outcome of pediatric renal transplantation in urological versus non-urological causes of end stage renal disease: Does it matter? AB - INTRODUCTION: Causes for end stage renal disease (ESRD) in children can be categorized into urological causes or non-urological causes. We sought to compare the outcomes of urological and non-urological causes of ESRD in children. METHODS: Patients were divided into two groups: urological causes of ESRD versus non-urological causes of ESRD. All patients and donors had at least 6 months of follow-up. The main outcomes included the effect on complications and renal function. Comparisons were carried out using the chi-square test or the Student t test. Multivariate logistic regression analysis was used to define the effect of different variables on the outcome of renal transplantation (Table). RESULTS: Our study included 123 patients, 91 males. The mean age was 9 years and mean follow up was 46 months. Two-thirds of the patients had non-urological causes of ESRD. Overall survival was 100%, and only one patient needed a graft nephrectomy 3 months after the transplant. The mean estimated glomerular filtration rate was 117 mL/min, and did not differ significantly between the two groups (p = 0.13). Multivariable regression showed that female gender (OR 8.7, 95% CI 2.9-26, p = 0 0.0001) was associated with better renal function, while having a urological cause of ESRD (OR 0.28, CI 0.08-0.98, p = 0 0.05) was associated with worse renal function. Non-urological causes of ESRD were significantly less likely to develop complications following renal transplantation (OR 0.28, CI 0.09-0.89, p = 0 0.03). CONCLUSION: Female patients with non-urological causes of ESRD are more likely to have better long-term renal functions, and less liable to develop complications following renal transplant. PMID- 29223860 TI - Time resolution requirements for civilian radioxenon emission data for the CTBT verification regime. AB - The capability of the noble gas component of the International Monitoring System as a verification tool for the Comprehensive Nuclear-Test-Ban Treaty is deteriorated by a background of radioxenon emitted by civilian sources. One of the possible approaches to deal with this issue, is to simulate the daily radioxenon concentrations from these civilian sources at noble gas stations by using atmospheric transport models. In order to accurately quantify the contribution from these civilian sources, knowledge on the releases is required. However, such data are often not available and furthermore it is not clear what temporal resolution such data should have. In this paper, we assess which temporal resolution is required to best model the 133Xe contribution from civilian sources at noble gas stations in an operational context. We consider different sampling times of the noble gas stations and discriminate between nearby and distant sources. We find that for atmospheric transport and dispersion problems on a scale of 1000 km or more, emission data with subdaily temporal resolution is generally not necessary. However, when the source-receptor distance decreases, time-resolved emission data become more important. The required temporal resolution of emission data thus depends on the transport scale of the problem. In the context of the Comprehensive Nuclear-Test-Ban Treaty, where forty noble gas stations will monitor the whole globe, daily emission data are generally sufficient, but for certain meteorological conditions, better temporally resolved emission data are required. PMID- 29223861 TI - How lack of physiotherapist out-of-hours led to nurses developing their role: A UK case study. AB - The aim of this article is to share the experience of how a multi-disciplinary team worked together to develop the nursing role to incorporate the practitioners supporting mobilisation of a patient. The role developed nurses' competence, ensuring that the information and instruction patients received were consistent between therapists and nursing staff, but also supported the Enhanced Recovery Programme (2010). There were issues with the level of therapy support, especially out of hours. The team agreed a vision together, with a solution to the problem on how the mobilisation of patients post-surgery could be achieved. This would ensure postoperative complications were reduced and that there was continuity in education for the patients. This experience is an example of how staff can be empowered to provide patients with a positive experience through challenging practices and behaviours and resulting in innovative practice and role development. PMID- 29223863 TI - What can predict and prevent the long-term use of benzodiazepines? AB - Although benzodiazepines (BZDs) are commonly prescribed for insomnia or anxiety, long-term use of BZDs causes serious adverse effects such as daytime drowsiness and cognitive decline. In the current study, we evaluated the predictors and preventers of long-term usage of BZDs from a retrospective survey by utilizing the 12-year prescription record of a university hospital. From the prescription data of 92,005 people, users of BZDs (n = 3,470, male = 39.2%, mean age = 60 +/- 17.5) were analyzed. During this period, both the number of prescriptions (2722 in 2004 to 1019 in 2016) and the number of BZDs (1.73 in 2004 to 1.36 in 2016) gradually decreased, although more than half of the patients continued to take BZDs for over three years. High risk factors for long-term use of BZDs include elderly patients (>65 years old), high dosage (>5 mg diazepam per day), psychiatrist-prescribers, and users with polytherapy. Discontinuation is significantly found in users of hypnotic BZDs and alternative psychotropic medical drugs (including antipsychotics, serotonergic drugs, or newer types of sleep medicine). Future studies should focus on elucidating interventions that are more effective against long-term usage of BZDs. PMID- 29223864 TI - Involuntary top-down control by search-irrelevant features: Visual working memory biases attention in an object-based manner. AB - Many everyday tasks involve successive visual-search episodes with changing targets. Converging evidence suggests that these targets are retained in visual working memory (VWM) and bias attention from there. It is unknown whether all or only search-relevant features of a VWM template bias attention during search. Bias signals might be configured exclusively to task-relevant features so that only search-relevant features bias attention. Alternatively, VWM might maintain objects in the form of bound features. Then, all template features will bias attention in an object-based manner, so that biasing effects are ranked by feature relevance. Here, we investigated whether search-irrelevant VWM template features bias attention. Participants had to saccade to a target opposite a distractor. A colored cue depicted the target prior to each search trial. The target was predefined only by its identity, while its color was irrelevant. When target and cue matched not only in identity (search-relevant) but also in color (search-irrelevant), saccades went more often and faster directly to the target than without any color match (Experiment 1). When introducing a cue-distractor color match (Experiment 2), direct target saccades were most likely when target and cue matched in the search-irrelevant color and least likely in case of a cue distractor color match. When cue and target were never colored the same (Experiment 3), cue-colored distractors still captured the eyes more often than different-colored distractors despite color being search-irrelevant. As participants were informed about the misleading color, the result argues against a strategical and voluntary usage of color. Instead, search-irrelevant features biased attention obligatorily arguing for involuntary top-down control by object based VWM templates. PMID- 29223862 TI - WAVE regulates Cadherin junction assembly and turnover during epithelial polarization. AB - Actin is an integral component of epithelial apical junctions, yet the interactions of branched actin regulators with apical junction components are still not clear. Biochemical data have shown that alpha-catenin inhibits Arp2/3 dependent branched actin. These results suggested that branched actin is only needed at earliest stages of apical junction development. We use live imaging in developing C. elegans embryos to test models for how WAVE-induced branched actin collaborates with other apical junction proteins during the essential process of junction formation and maturation. We uncover both early and late essential roles for WAVE in apical junction formation. Early, as the C. elegans intestinal epithelium becomes polarized, we find that WAVE components become enriched concurrently with the Cadherin components and before the DLG-1 apical accumulation. Live imaging of F-actin accumulation in polarizing intestine supports that the Cadherin complex components and branched actin regulators work together for apical actin enrichment. Later in junction development, the apical accumulation of WAVE and Cadherin components is shown to be interdependent: Cadherin complex loss alters WAVE accumulation, and WAVE complex loss increases Cadherin accumulation. To determine why Cadherin levels rise when WVE-1 is depleted, we use FRAP to analyze Cadherin dynamics and find that loss of WAVE as well as of the trafficking protein EHD-1/RME-1 increases Cadherin dynamics. EM studies in adults depleted of branched actin regulators support that WVE-1 maintains established junctions, presumably through its trafficking effect on Cadherin. Thus we propose a developmental model for junction formation where branched actin regulators are tightly interconnected with Cadherin junctions through their previously unappreciated role in Cadherin transport. PMID- 29223865 TI - Prevention of ischemia-induced hearing loss by intravenous administration of hydrogen-rich saline in gerbil. AB - OBJECTIVE: Hydrogen-rich water, which is a potent antioxidant agent, was investigated for its protective effects against ischemic damage of the cochlea in gerbils. METHODS: The animals were subjected to transient cochlear ischemia by occluding the bilateral vertebral arteries for l5min. Five milliliters of hydrogen-rich saline was then intravenously administered immediately after the insult. Saline without hydrogen was used as a control. Effects of hydrogen were evaluated using the auditory brainstem response (ABR) and histological studies of the inner ear. RESULTS: In non-ischemia animals, ABR thresholds and histological findings of the cochlea did not change by administration of saline or hydrogen rich saline. In contrast, transient cochlear ischemia caused a 24.2+/-3.8dB increase in the ABR threshold at 8kHz, and a decrease of 14.1%+/-1.8% in the number of inner hair cells (IHCs) at the basal turn on day 7. Ischemic damage was more severe at 16 and 32kHz. When the animals were treated with hydrogen-rich saline, cochlear damage was significantly reduced: the increase in ABR threshold was 11.7+/-2.6dB at 8kHz and the IHC loss was 7.5%+/-2.1% at the basal turn on day 7. The effects of hydrogen-rich saline were more prominent at higher frequencies. CONCLUSIONS: Intravenous administration of hydrogen-rich saline was effective in preventing acute hearing loss due to transient cochlear ischemia. PMID- 29223866 TI - Phase delays between tone pairs reveal interactions in scalp-recorded envelope following responses. AB - Evoked potentials to envelope periodicity in sounds, such as vowels, are dependent on the stimulus spectrum. We hypothesize that phase differences between responses elicited by multiple frequencies spread tonotopically across the cochlear partition may contribute to variation in scalp-recorded amplitude. The present study evaluated this hypothesis by measuring envelope following responses (EFRs) to two concurrent tone pairs, p1 and p2, that approximated the first and second formant frequencies of a vowel, while controlling their relative envelope phase. We found that the scalp-recorded amplitude of EFRs changed significantly in phase and amplitude when the envelope phase of p2, the higher frequency tone pair, was delayed. The maximum EFR amplitude occurred at the p2 envelope phase delay of 90 degrees , likely because the stimulus delay compensated for the average phase lead of 73.57 degrees exhibited by p2-contributed EFRs relative to p1-contributed EFRs, owing to earlier cochlear processing of higher frequencies. Findings suggest a linear superimposition of independently generated EFRs from tonotopically separated pathways. This suggests that introducing frequency specific delays may help to optimize EFRs to broadband stimuli like vowels. PMID- 29223867 TI - The comprehensive analysis of sorghum cultivated in Poland for energy purposes: Separate hydrolysis and fermentation and simultaneous saccharification and fermentation methods and their impact on bioethanol effectiveness and volatile by products from the grain and the energy potential of sorghum straw. AB - The aim of this work was to study the potential of sorghum crop cultivated in European climate as an energy material. The investigation showed strong interaction between the fermentation method and the sorghum cultivar. It was also noted that the cultivar with the highest grain yield showed the highest yield of ethanol per hectare, achieving 1269 L/ha in SHF (separate hydrolysis and fermentation) and 1248 L/ha in SSF (simultaneous saccharification and fermentation). Chromatographic analysis of raw spirits showed that smaller amounts of impurities are formed in the SSF process than in the SHF process. The calorific value of sorghum straw was also measured, and amounted to 16,050-16,840 kJ/kg. The results have demonstrated the high value of sorghum as grain for bioethanol production and as straw as a valuable feedstock for forming pellets or briquettes. PMID- 29223868 TI - Recirculation of gas emissions to achieve advanced denitrification of the effluent from the anaerobic treatment of domestic wastewater. AB - A denitrifying pilot plant was designed, constructed and operated for more than five months. The plant treated domestic wastewater with high ammonium nitrogen concentration, which had previously undergone an anaerobic process at 18 degrees C. The process consisted of one biofilter with 2 h of hydraulic retention time for denitritation. Different synthetic nitrite concentrations were supplied to the anoxic reactor to simulate the effluent of a nitritation process. This work investigates the advanced denitritation of wastewater using the organic matter and other alternative electron donors present in an anaerobic treatment process effluent: methane and sulfide. The denitrifying bacteria were able to treat wastewater at an inlet nitrite concentration of 75 mg NO2--N/L with a removal efficiency of 92.9%. When the inlet nitrite concentration was higher, the recirculation of the gas from the top of the anoxic reactor was successful to enhance the nitrite removal, achieving a NO2- elimination efficiency of 98.3%. PMID- 29223869 TI - Nonlinear recurrent neural networks for finite-time solution of general time varying linear matrix equations. AB - In order to solve general time-varying linear matrix equations (LMEs) more efficiently, this paper proposes two nonlinear recurrent neural networks based on two nonlinear activation functions. According to Lyapunov theory, such two nonlinear recurrent neural networks are proved to be convergent within finite time. Besides, by solving differential equation, the upper bounds of the finite convergence time are determined analytically. Compared with existing recurrent neural networks, the proposed two nonlinear recurrent neural networks have a better convergence property (i.e., the upper bound is lower), and thus the accurate solutions of general time-varying LMEs can be obtained with less time. At last, various different situations have been considered by setting different coefficient matrices of general time-varying LMEs and a great variety of computer simulations (including the application to robot manipulators) have been conducted to validate the better finite-time convergence of the proposed two nonlinear recurrent neural networks. PMID- 29223870 TI - Validation of an algorithm to detect severe MS relapses in administrative health databases. AB - BACKGROUND: Severe relapses that required treatment were important outcomes in the sentinel trials of disease-modifying therapy (DMT). Identifying such relapses in administrative data would allow comparative-effectiveness studies of DMTs to be conducted in real-world clinical settings. METHODS: All relapsing-remitting (RRMS) and secondary-progressive (SPMS) patients living in Manitoba between 1999 and 2015 were identified using a validated case definition and linkage to the Manitoba MS Clinic database. All healthcare interactions potentially due to relapses were extracted from population-based administrative (hospital, physician claims and prescription) databases. These "relapse markers" included varying thresholds of outpatient prednisone scripts, day hospital or emergency room (ER) codes for intravenous (IV) methylprednisolone therapy, family physician, neurologist or ER physician billing codes and hospital admissions due to MS. Algorithms using combinations of these markers were compared with a reference standard of neurologist-defined relapses. The most useful algorithms were also examined on a biannual basis over the study period to assess for trends in the sensitivity of relapse detection. RESULTS: 1131 participants with RRMS or SPMS were linked to administrative databases. Analysis of potential relapse markers over the whole 1999-2015 time period was limited by inconsistent coding of same day or ER admissions for IV methylprednisolone administration. Widespread adoption of high-dose oral outpatient prednisone for relapses since 2009 resulted in a progressive improvement in relapse marker sensitivity. The best algorithm consisted of oral prednisone prescriptions >50mg/day for 3-60 days and same day hospital or ER assessment codes with MS as the most responsible diagnosis (sensitivity 70%, specificity 100%, PPV 100%, NPV 96%, kappa 0.8 in 2013-2015). CONCLUSIONS: Severe relapses can be identified from administrative datasets with reasonable accuracy. The trend since 2009 toward outpatient relapse treatment will improve the sensitivity of relapse detection with longitudinal follow-up of this cohort and will allow comparison of severe relapse rates between different DMTs, supporting future comparative effectiveness studies. PMID- 29223872 TI - Relationship between thrombus age in aspirated coronary material and mid-term major adverse cardiac and cerebrovascular events in patients with acute myocardial infarction. AB - BACKGROUND AND AIMS: Recent studies have shown that coronary thrombus histopathology is associated with impaired myocardial reperfusion and poor clinical outcome in patients with acute myocardial infarction (AMI). We sought to investigate the age of thrombi aspirated during percutaneous coronary intervention (PCI) in patients with AMI and evaluate the relationship between histopathologic findings and major adverse cardiac and cerebrovascular events (MACCEs) defined as all-cause death, stroke, or myocardial infarction within 6 months of PCI. METHODS: In this prospective 2-center observational study, coronary material was obtained during PCI from 305 patients with AMI within 24 h of symptom onset. Thrombi were morphologically classified as either only fresh or older (lytic changes or organization). RESULTS: MACCE occurred in 38 (12.5%) patients. Only fresh thrombi were observed in 114 (37%) of 305 patients; older thrombi were identified in 191 (63%). The rate of MACCE was significantly higher among patients with older thrombus (p = 0.011). Multivariate analysis also showed the presence of older thrombus [odds ratio (OR) 3.03, 95% confidence interval (CI) 1.122-9.522] is an independent predictor of MACCE within 6 months of PCI, as well as age (OR 1.051, 95% CI 1.013-1.094) and creatine kinase concentration (OR 1.025, 95% CI 1.013-1.037). The prevalence of slow flow or distal embolization during PCI and peak creatine kinase concentration were significantly higher in the older thrombus group (p < 0.05, respectively). CONCLUSIONS: Older thrombus found in aspirated coronary material is associated with impaired myocardial reperfusion and is an independent predictor of mid-term MACCE in patients with AMI. PMID- 29223871 TI - Intensity ratio to improve black hole assessment in multiple sclerosis. AB - BACKGROUND: Improved imaging methods are critical to assess neurodegeneration and remyelination in multiple sclerosis. Chronic hypointensities observed on T1 weighted brain MRI, "persistent black holes," reflect severe focal tissue damage. Present measures consist of determining persistent black holes numbers and volumes, but do not quantitate severity of individual lesions. OBJECTIVE: Develop a method to differentiate black and gray holes and estimate the severity of individual multiple sclerosis lesions using standard magnetic resonance imaging. METHODS: 38 multiple sclerosis patients contributed images. Intensities of lesions on T1-weighted scans were assessed relative to cerebrospinal fluid intensity using commercial software. Magnetization transfer imaging, diffusion tensor imaging and clinical testing were performed to assess associations with T1w intensity-based measures. RESULTS: Intensity-based assessments of T1w hypointensities were reproducible and achieved > 90% concordance with expert rater determinations of "black" and "gray" holes. Intensity ratio values correlated with magnetization transfer ratios (R = 0.473) and diffusion tensor imaging metrics (R values ranging from 0.283 to -0.531) that have been associated with demyelination and axon loss. Intensity ratio values incorporated into T1w hypointensity volumes correlated with clinical measures of cognition. CONCLUSIONS: This method of determining the degree of hypointensity within multiple sclerosis lesions can add information to conventional imaging. PMID- 29223873 TI - Molecular characterization and expression profiles of LPXRFa at the brain pituitary-gonad axis of half-smooth tongue sole (Cynoglossus semilaevis) during ovarian maturation. AB - Gonadotropin-inhibitory hormone (GnIH) has been characterized by its ability to inhibit either basal or gonadotropin-releasing hormone (GnRH)-induced gonadotropin synthesis and release in birds and mammals. However, the physiological role of GnIH on the reproductive axis in fish remains inconclusive, with most studies focusing on the orders Cypriniformes and Perciformes. To gain insight into the role of GnIH in the regulation of reproduction in the order Pleuronectiformes, we first cloned the LPXRFa gene, the piscine ortholog of GnIH, in the half-smooth tongue sole. The full-length cDNA of LPXRFa was 918bp in size with an open reading frame (ORF) of 585bp that encoded a 194 amino acids preprohormone with a calculated molecular mass and isoelectric point of 21.73kDa and 6.52, respectively. The LPXRFa precursor encoded two putative peptide sequences that included -MPMRF or -MPQRF motifs at the C-terminal. Tissue distribution analysis showed that LPXRFa transcripts could be detected at high levels in the brains of both sexes and to a lesser extent in the ovary, heart and stomach of females, while a noteworthy expression was observed in the kidney and muscle of males. Furthermore, the expression patterns of LPXRFa mRNA during ovarian maturation were also investigated. In the brain, the mRNA expression of LPXRFa increased significantly at stage III, declined at stage V and reached a maximum at stage VI. In the pituitary, the levels of LPXRFa mRNA remained stable during ovarian maturation and increased significantly to the top level at stage V and then declined back to basal levels. In contrast, the ovarian LPXRFa mRNA levels declined sharply at stage III and remained depressed over the course of ovarian maturation. Taken together, our results provide further evidence for the existence of LPXRFa in the order Pleuronectiformes and suggest its possible involvement in the regulation of reproduction in the female tongue sole. PMID- 29223874 TI - The hypoxia-tolerant vertebrate brain: Arresting synaptic activity. AB - The ion channel arrest hypothesis has been the foundation of three decades of research into the underlying mechanisms of hypoxia/anoxia tolerance in several key species, including: painted turtles, goldfish, crucian carp, naked mole rats, and arctic and ground squirrels. The hypothesis originally stated that hypoxia/anoxia tolerant species ought to have fewer ion channels per area membrane and/or mechanisms to regulate the conductance of ion channels. Today we can add to this and include mechanisms to remove channels from membranes and the expression of low conductance isoforms. Furthermore, possible oxygen sensing mechanisms in brain include a link to mitochondrial function, changes in the concentration of intracellular Ca2+ and reactive oxygen species, and activation of protein kinase C and a phosphatase. Importantly ion channel arrest leads to a decrease in metabolic rate that is fundamental to survival without oxygen and in brain is reflected in decreased action potential frequency or spike arrest. This results not only from a decrease in excitatory glutamatergic receptor currents but also by an increase in inhibitory GABAergic receptor currents. The surprising finding that ionic conductance through some ion channels increases is novel and contrary to the ion channel arrest hypothesis. The major insight that this offers is that key regulatory events are occurring at the level of the synapse and we therefore propose the "synaptic arrest hypothesis". PMID- 29223875 TI - Snakes exhibit tissue-specific variation in cardiotonic steroid sensitivity of Na+/K+-ATPase. AB - Toads are among several groups of organisms chemically defended with lethal concentrations of cardiotonic steroids. As a result, most predators that prey on amphibians avoid toads. However, several species of snakes have gained resistance conferring mutations of Na+/K+-ATPase, the molecular target of cardiotonic steroids, and can feed on toads readily. Despite recent advances in our understanding of this adaptation at the genetic level, we have lacked functional evidence for how mutations of Na+/K+-ATPase account for cardiotonic steroid resistance in snake tissues. To address this issue, it is necessary to determine how the Na+/K+-ATPases of snakes react to the toxins. Some tissues might have Na+/K+-ATPases that are more susceptible than others and can thus provide clues about how the toxins influence organismal function. Here we provide a mechanistic link between observed Na+/K+-ATPase substitutions and observed resistance using actual snake Na+/K+-ATPases. We used an in vitro approach to determine the tissue specific levels of sensitivity to cardiotonic steroids in select resistant and non-resistant snakes. We compared the sensitivities of select tissues within and between species. Our results suggest that resistant snakes contain highly resistant Na+/K+-ATPases in their heart and kidney, both of which rely heavily on the enzymes to function, whereas tissues that do not rely as heavily on Na+/K+ ATPases or might be protected from cardiotonic steroids by other means (liver, gut, and brain) contain non-resistant forms of the enzyme. This study reveals functional evidence that tissue-level target-site insensitivity to cardiotonic steroids varies not only among species but also across tissues within resistant taxa. PMID- 29223876 TI - Joint moments required to hold a posture while somersaulting. AB - A pure somersault is a key skill in diving and gymnastics, and involves rotation about the transverse axis of the body. As the rotational speed increases the effort required to maintain a specified posture increases. This paper derives equations for the joint moments required for an athlete to hold three sport specific postures as a function of rotational speed. The joint moment is related to the isometric muscular strength and is the limiting factor of an athlete in their ability to hold a fixed posture while somersaulting. One inertial property data set was used to explore the joint moments required for three sport specific postures -tuck, pike and layout-. Even though the joint moments are proportional to the square of angular velocity, the constant of proportionality differs for each joint, and so greater isometric strength is required at some joints; especially the hips and through the torso. The situation when the hands were allowed to hold the legs and when they did not has been considered. It was found that the arms holding an observed point on the lower legs could reduce the joint moments required through the legs and torso. The direction of the pull of the hands against the legs is critical for effectiveness. For the tuck this included a large component tangential to the shank and so emphasises the need to maximise friction between the shank and hands. For the pike the pull normal to the shank was more important. PMID- 29223877 TI - Transcriptomic analyses reveal complex and interconnected sucrose signaling cascades in developing seeds of castor bean. AB - Seeds are highly specific organs that strongly sink sucrose resources from leaf and stem tissues to trigger seed metabolism and development. In particular, for heterotrophic non-green seeds, the potential molecular mechanism underlying sucrose-driven seed development remains unanswered. Castor bean (Ricinus communis L.), a typical non-green seed, has been considered as a model plant for seed biology study in dicotyledonous plants due to its heterotrophic seeds with persistent endosperms. In the present study, the fast-developing castor bean seeds were treated with exogenous sucrose and mannitol for four hours. The global transcriptomic data were obtained by high-throughput RNA-seq technique, resulting in 468 differentially expressed genes (DGEs). Further analyses revealed that sucrose functioned as both metabolic substrates and signal molecules. Specifically, 73 DGEs involved in carbohydrate and nitrogen metabolism, 42 differentially expressed transcription factors, and 35 DGEs involved in diverse signaling pathways such as auxin, brassinosteroid, ethelyene, cytokinin, gibberellin, and calcium signals, were identified, suggesting that the sucrose signaling pathway might have complex and multi-connected cross-talks with other signals to regulate castor bean seed development. Taken together, this study provides novel data to improve understanding of the potential molecular mechanisms of sucrose in regulating non-green seed development and storage reservoir accumulation during seed development. PMID- 29223878 TI - Constitutive gibberellin response in grafted tomato modulates root-to-shoot signaling under drought stress. AB - Plants are sessile organisms that must perceive and respond to various environmental constraints throughout their life cycle. Among these constraints, drought stress has become the main limiting factor to crop production around the world. Water deprivation is perceived primarily by the roots, which efficiently signal the shoot to trigger drought responses in order to maximize a plant's ability to survive. In this study, the tomato (Solanum lycopersicum L.) mutant procera (pro), with a constitutive response to gibberellin (GA), and its near isogenic line cv. Micro-Tom (MT), were used in reciprocal grafting under well watered and water stress conditions to evaluate the role of GA signaling in root to-shoot communication during drought stress. Growth, oxidative stress, gene expression, water relations and hormonal content were measured in order to provide insights into GA-mediated adjustments to water stress. All graft combinations with pro (i.e. pro/pro, MT/pro and pro/MT) prevented the reduction of growth under stress conditions without a reduction in oxidative stress. The increase of oxidative stress was followed by upregulation of SlDREB2, a drought tolerance related gene, in all drought-stressed plants. Scions harboring the pro mutation tended to increase the abscisic acid (ABA) content, independent of the rootstock. Moreover, the GA sensitivity of the rootstock modulated stomatal conductance and water use efficiency under drought stress, indicating GA and ABA crosstalk in the adjustment of growth and water economy. PMID- 29223879 TI - Internalization of a sunflower mannose-binding lectin into phytopathogenic fungal cells induces cytotoxicity. AB - Lectins are carbohydrate-affinity proteins with the ability to recognize and reversibly bind specific glycoconjugates. We have previously isolated a bioactive sunflower mannose-binding lectin belonging to the jacalin-related family called Helja. Despite of the significant number of plant lectins described in the literature, only a small group exhibits antifungal activity and the mechanism by which they kill fungi is still not understood. The aim of this work was to explore Helja activity on plant pathogenic fungi, and provide insights into its mechanism of action. Through cellular and biochemical experimental approaches, here we show that Helja exerts an antifungal effect on Sclerotinia sclerotiorum, a sunflower pathogen. The lectin interacts with the fungal spore surface, permeabilizes its plasma membrane, can be internalized into the cell and induces oxidative stress, finally leading to the cell death. On the other hand, Helja is inactive towards Fusarium solani, a non-pathogen of sunflower, showing the selective action of the lectin. The mechanistic basis for the antifungal activity of an extracellular jacalin lectin is presented, suggesting its initial interaction with fungal cell wall carbohydrates and further internalization. The implication of our findings for plant defense is discussed. PMID- 29223880 TI - Tomato plants use non-enzymatic antioxidant pathways to cope with moderate UV-A/B irradiation: A contribution to the use of UV-A/B in horticulture. AB - Plants developed receptors for solar UV-A/B radiation, which regulate a complex network of functions through the plant's life cycle. However, greenhouse grown crops, like tomato, are exposed to strongly reduced UV radiation, contrarily to their open-field counterparts. A new paradigm of modern horticulture is to supplement adequate levels of UV to greenhouse cultures, inducing a positive mild stress necessary to stimulate oxidative stress pathways and antioxidant mechanisms. Protected cultures of Solanum (cv MicroTom) were supplemented with moderate UV-A (1h and 4h) and UV-B (1min and 5min) doses during the flowering/fruiting period. After 30days, flowering/fruit ripening synchronization were enhanced, paralleled by the upregulation of blue/UV-A and UV-B receptors' genes cry1a and uvr8. UV-B caused moreover an increase in the expression of hy5, of HY5 repressor cop1 and of a repressor of COP1, uvr8. While all UV-A/B conditions increased SOD activity, increases of the generated H2O2, as well as lipid peroxidation and cell mebrane disruption, were minimal. However, the activity of antioxidant enzymes downstream from SOD (CAT, APX, GPX) was not significant. These results suggest that the major antioxidant pathways involve phenylpropanoid compounds, which also have an important role in UV screening. This hypothesis was confirmed by the increase of phenolic compounds and by the upregulation of chs and fls, coding for CHS and FLS enzymes involved in the phenylpropanoid synthesis. Overall, all doses of UV-A or UV-B were beneficial to flowering/fruiting but lower UV-A/B doses induced lower redox disorders and were more effective in the fruiting process/synchronization. Considering the benefits observed on flowering/fruiting, with minimal impacts in the vegetative part, we demonstrate that both UV-A/B could be used in protected tomato horticulture systems. PMID- 29223881 TI - Time of return back to work and complications following cross-finger flaps in industrial workers: Comparison between immediate post operative mobilization versus immobilization until flap division. AB - INTRODUCTION: Previous authors have immobilized the injured hand or digits following cross finger flaps. PATIENTS AND METHODS: About 3 years ago, the author adopted a protocol of immediate postoperative active and passive mobilization (without a splint) following cross finger flap surgery in industrial workers. The current study is a retrospective audit comparing postoperative complications and time of return back to work following cross-finger flaps in two groups of injured industrial workers: Group I (n=12) had immediate postoperative mobilization; and Group II (n=12) had immobilization till the time of flap division. RESULTS: The complication rate was similar in both groups. However, patients in Group I returned to work earlier than those in group II and the difference was statistically significant. CONCLUSION: Immediate postoperative mobilization following cross-finger flaps in industrial workers does not increase the risk of complications and has the advantage of early return to work. PMID- 29223882 TI - Recurrent renal cancer in Birt-Hogg-Dube syndrome: A case report. AB - INTRODUCTION: Birt-Hogg-Dube syndrome (BHDS) is a rare autosomal dominant disease. It is caused by constitutional mutations in the FLCN gene. Since BHDS is a rare syndrome therefore it is unknown to many physicians. However, it is important to identify this rare syndrome at early stages because incidence of renal cancer in BHD patients is very high and its detection at early stages can prevent its metastasis. Hence, we want to present a case of BHDS and draw the attention of the treating physician to this rare inherited disorder and discuss its appropriate diagnosis and management. CASE PRESENTATION: We present a case of a 50-year old male presented to the consulting clinics of a University Hospital with right flank pain since the last 2 months. The Computed Tomography (CT) and biopsy on the right renal mass indicated clear cell type renal cell carcinoma with significant lymphadenopathy. Past history of cystic lung disease and pneumothorax along with positive finding of renal cell carcinoma on CT and biopsy suggested Birt-Hogg-Dube (BHD) syndrome. The patient underwent right radical nephrectomy and lymph node dissection. His 3 months post- surgery follow up CT scan indicated disease recurrence. CONCLUSION: In conclusion, it is important to identify this rare syndrome at early stages. Diagnosis for the patients with a positive family history for renal cell cancer and pneumothorax should be considered. FLCN sequencing should also be taken into account in patients and their families because incidence of renal cancer in BHD patients is very high and detection at early stages can prevent its metastasis. PMID- 29223883 TI - Analysis of mainland Japanese and Okinawan Japanese populations using the precision ID Ancestry Panel. AB - We typed 165 AIMs in 49 mainland Japanese and 47 Okinawa Japanese using the Precision ID Ancestry Panel (Thermo Fisher Scientific). None of the 165 SNPs showed significant deviation from Hardy-Weinberg equilibrium in the mainland Japanese. One SNP (rs3943253) showed significant deviation from Hardy-Weinberg equilibrium in Okinawa Japanese. Fisher's exact tests showed that the genotype frequencies of 14 loci were significantly different (p<0.05) between the two populations before correction for multiple testing. After Bonferroni correction, only rs671 remained statistically significant (p<0.0003). This SNP is located in the ALDH2 gene. The mutant A allele is associated with increased side effects after alcohol intake. The frequency of the GG genotype (wild type) was higher in the Okinawa Japanese (78.7%) than in mainland Japanese (34.7%; Bonferroni corrected P<0.001). For 31 (63.3%) of the mainland Japanese and 42 (89.4%) of Okinawa Japanese, the highest population likelihood was obtained with the Japanese reference population. However, only in a few individuals, the likelihoods were significantly different from those calculated using reference data from neighboring populations. The likelihoods for mainland Japanese and Okinawa Japanese were not significantly different from each other for any of the investigated individuals. STRUCTURE and PCA analyses showed that mainland Japanese, Okinawa Japanese, and East Asians could not be differentiated with the Precision ID Ancestry Panel. PMID- 29223884 TI - Chronic effect of different types of stretching on ankle dorsiflexion range of motion: Systematic review and meta-analysis. AB - The calf muscles are one of the muscle groups that have the most need for adequate flexibility since they are deeply related to normal lower limb function. When the goal is to increase flexibility, the most commonly used technique is stretching. However, it remains unknown which stretching technique and parameters are the most effective to increase flexibility. Hence, the aim of the current review was to investigate the influence of chronic stretching on ankle dorsiflexion range of motion (DFROM) of healthy individuals. The search strategy included MEDLINE, PEDro, Cochrane CENTRAL, LILACS, and manual search from inception to February 2017. Randomized and controlled clinical trials that have analyzed the influence of chronic stretching on DFROM were included. On the other hand, studies with special populations (children, and people with any dysfunction/disease), and articles with no control group were excluded. Twenty studies were included out of 493 identified. The meta-analysis was performed according to the stretching technique used in the study. The results show that static stretching (5.17 degrees ; 95% CI: 4.39-5.95; I2: 0%) and proprioceptive neuromuscular facilitation (4.32 degrees ; 95% CI: 1.59-7.04; I2: 46%) are effective in increasing DFROM. Ballistic stretching did not show positive results to increase DFROM (3.77 degrees ; 95% CI: -0.03 to 7.56; I2: 46%). In conclusion, chronic stretching is an effective way of improving ankle mobility in healthy individuals, especially when it contains a static component. PMID- 29223885 TI - Three novel SLC2A1 mutations in Bulgarian patients with different forms of genetic generalized epilepsy reflecting the clinical and genetic diversity of GLUT1-deficiency syndrome. AB - PURPOSE: GLUT1-deficiency syndrome (GLUT1-DS) is a metabolic brain disorder with a great clinical heterogeneity underlined by various mutations in the SLC2A1 gene which make the clinical and genetic diagnosis complicated. The purpose of our study is to investigate the genetic defects affecting the SLC2A1 gene in a group of Bulgarian patients with genetic generalized epilepsy (GGE), and to bring new insights into the molecular pathology of GLUT1-DS that would strengthen the genotype-phenotype correlations and improve the diagnostic procedure. METHODS: We have performed sequencing analysis of the SLC2A1 gene in thirty-eight Bulgarian patients with different forms of GGE having emerged in childhood followed by array comparative genome (aCGH) hybridization in patients with severe forms of GLUT1-DS who display extraneurological features. RESULTS: We have detected three novel SLC2A1 gene mutations that are predicted to have different impacts on the GLUT1 protein structure and function - one being to cause the amino acid substitution p.H160Q, another leading to the truncation p.Q360*, and also a 1p34.2 microdeletion. The overall frequency of the SLC2A1 mutations in the studied group is 8.1%. They have been found in clinical cases that differ notably by their severity. CONCLUSION: Our study enriches the mutation spectrum of the SLC2A1 gene by 3 novel cases that reflect the genetic and phenotypic diversity of GLUT1-DS and brings new insights into the molecular pathology of that disorder. The clinical data showed that the SLC2A1 genetic defects should be considered equally in the entire range of the clinical manifestations of GGE paying attention to the extraneurological features. The aCGH analysis should be considered as an ultimate step during the diagnostic procedure of GLUT1-DS in patients with a complex clinical picture of intractable epilepsy involving neuropsychological impairments and accompanied by extraneurological features. PMID- 29223888 TI - Neighborhood crime undermines parenting: Violence in the vicinity of households as a predictor of aggressive discipline. AB - Child discipline is a central component of parent-child interactions. Evidence suggests corporal discipline impairs children's physical, cognitive, and socioemotional development and compromises their future chances, especially since it is more frequently used against at-risk children. Using geocoded data for 1209 children under the age of five and their mothers, this study analyses the relation between the occurrence of crimes in close proximity to households in four major urban municipalities of Colombia and a particularly violent corporal discipline practice: hitting children with objects. Results indicate that exposure to violent crimes, such as homicides and personal injuries, predicts a higher probability of hitting children with objects, even after controlling for a set of individual, family, and neighborhood characteristics. Sensitivity analyses suggest violent crimes are not related to other discipline methods, and less threatening crimes, such as robbery and drug trafficking, are not associated with hitting children with objects. These findings suggest households' walls are permeable, and outside threats may interfere with families' dynamics and well being. Future directions and implications are discussed. PMID- 29223886 TI - Electrocatalytic CO2 reduction catalyzed by nitrogenase MoFe and FeFe proteins. AB - Nitrogenases catalyze biological dinitrogen (N2) reduction to ammonia (NH3), and also reduce a number of non-physiological substrates, including carbon dioxide (CO2) to formate (HCOO-) and methane (CH4). Three versions of nitrogenase are known (Mo-, V-, and Fe-nitrogenase), each showing different reactivities towards various substrates. Normally, electrons for substrate reduction are delivered by the Fe protein component of nitrogenase, with energy coming from the hydrolysis of 2 ATP to 2 ADP+2 Pi for each electron transferred. Recently, it has been demonstrated that energy and electrons can be delivered from an electrode to the catalytic nitrogenase MoFe-protein without the need for Fe protein or ATP hydrolysis. Here, it is demonstrated that both the MoFe- and FeFe-protein can be immobilized as a polymer layer on an electrode and that electron transfer mediated by cobaltocene can drive CO2 reduction to formate in this system. It was also found that the FeFe-protein diverts a greater percentage of electrons to CO2 reduction versus proton reduction compared to the MoFe-protein. Quantification of electron flow to products exhibited Faradaic efficiencies of CO2 conversion to formate of 9% for MoFe protein and 32% for FeFe-protein, with the remaining electrons going to proton reduction to make H2. PMID- 29223887 TI - A minimalistic approach to develop new anti-apicomplexa polyamines analogs. AB - The development of new chemical entities against the major diseases caused by parasites is highly desired. A library of thirty diamines analogs following a minimalist approach and supported by chemoinformatics tools have been prepared and evaluated against apicomplexan parasites. Different member of the series of N,N'-disubstituted aliphatic diamines shown in vitro activities at submicromolar concentrations and high levels of selectivity against Toxoplasma gondii and in chloroquine-sensitive and resistant-strains of Plasmodium falciparum. In order to demonstrate the importance of the secondary amines, ten N,N,N',N' tetrasubstituted aliphatic diamines derivatives were synthesized being considerably less active than their disubstituted counterpart. Theoretical studies were performed to establish the electronic factors that govern the activity of the compounds. PMID- 29223889 TI - From dead leaves to sustainable organic resistive switching memory. AB - An environmental-friendly, sustainable, pollution-free, biodegradable, flexible and wearable electronic device hold advanced potential applications. Here, an organic resistive switching memory device with Ag/Leaves/Ti/PET structure on a flexible polyethylene terephthalate (PET) substrate was fabricated for the first time. We observed an obvious resistive switching memory characteristic with large switching resistance ratio and stable cycle performance at room temperature. This work demonstrates that leaves, a useless waste, can be properly treated to make useful devices. Furthermore, the as-fabricated devices can be degraded naturally without damage to the environment. PMID- 29223890 TI - Gold core/ceria shell-based redox active nanozyme mimicking the biological multienzyme complex phenomenon. AB - Catalytically active individual gold (Au) and cerium oxide (CeO2) nanoparticles (NPs) are well known to exhibit specific enzyme-like activities, such as natural catalase, oxidase, superoxide dismutase, and peroxidase enzymes. These activities have been maneuvered to design several biological applications such as immunoassays, glucose detection, radiation and free radical protection and tissue engineering. In biological systems, multienzyme complexes are involved in catalyzing important reactions of essential metabolic processes such as respiration, biomolecule synthesis, and photosynthesis. It is well known that metabolic processes linked with multienzyme complexes offer several advantages over reactions catalyzed by individual enzymes. A functional nanozyme depicting multienzyme like properties has eluded the researchers in the nanoscience community for the past few decades. In the current report, we have designed a functional multienzyme in the form of Gold (core)-CeO2 (shell) nanoparticles (Au/CeO2 CSNPs) exhibiting excellent peroxidase, catalase, and superoxide dismutase enzyme-like activities that are controlled simply by tuning the pH. The reaction kinetic parameters reveal that the peroxidase-like activity of this core shell nanozyme is comparable to natural horseradish peroxidase (HRP) enzyme. Unlike peroxidase-like activity exhibited by other nanomaterials, Au/CeO2 CSNPs showed a decrease in hydroxyl radical formation, suggesting that the biocatalytic reactions are performed by efficient electron transfers. A significant enzyme like activity of this core-shell nanoparticle was conserved at extreme pH (2-11) and temperatures (up to 90 degrees C), clearly suggesting the superiority over natural enzymes. Further, the utility of peroxidase-like activity of this core shell nanoparticles was extended for the detection of glucose, which showed a linear range of detection between (100 uM to 1 mM). It is hypothesized that the proximity of the redox potentials of Au+/Au and Ce (III)/Ce (IV) may result in a redox couple promoting the multienzyme activity of core-shell nanoparticles. Au/CeO2 CSNPs may open new directions for development of single platform sensors in multiple biosensing applications. PMID- 29223891 TI - Fallen leaves derived honeycomb-like porous carbon as a metal-free and low-cost counter electrode for dye-sensitized solar cells with excellent tri-iodide reduction. AB - Utilizing carbon-based counter electrodes (CEs) in dye-sensitized solar cells (DSSCs) have received much attention in recent times, owing to their low cost, good electrochemical activity, natural abundance and eco-friendly nature. Herein, we have facilely prepared quince leaves derived porous carbon (QLPC) using fallen quince leaves (QLs) and it was used as a cost-effective CE for the fabrication of DSSCs. By means of alkali treatment and pyrolysis process (at different temperatures of 700, 800 and 900 degrees C), the QLs powder undergoes chemical activation and carbonization, which results in a honeycomb-like QLPC with abundant micro/mesopores and large surface area. Simple and straightforward coating of QLPC samples onto fluorine doped tin oxide glass substrates led to improved electrocatalytic activity and good tri-iodide reduction in DSSCs. When the DSSCs were illuminated under 1 sun condition (AM 1.5; 100 mW cm-2), the device assembled with QLPC-based CE (prepared at 800 degrees C) showed a higher current density of ~14.99 mA/cm2 and power conversion efficiency of ~5.52% among the other QLPC-based CEs, which are comparable with the platinum-based CE in DSSCs. This facile process for the preparation of biomass derived carbon-based CE provides an alternative to the noble metal-free CE in DSSCs. PMID- 29223892 TI - Liquid chromatography quadrupole time-of-flight mass spectrometry determination of six pharmaceuticals in vegetal biota. Uptake study in Lavandula dentata. AB - A procedure based on microwave assisted extraction for the determination of 6 pharmaceuticals in samples of Lavandula dentata, Salicornia ramosissima and Juncus sp. by liquid chromatography-quadrupole time of flight mass spectrometry (LC-QTOF/MS) was optimized and validated. Best results were obtained using microwave assisted extraction of 1.0g of homogeneous lyophilized samples and 5mL of a mixture ACN:H2O (1:1 v/v) as extracting solvent. Analytical recoveries ranged from 60 to 107% with relative standard deviation (RSD) lower than 15%. Limits of quantitation (LOQ) for the 6 pharmaceuticals flumequine (FLM), carbamazepine (CBZ), ciprofloxacin (CPR), enrofloxacin (ENR), diclofenac (DCL), and ibuprofen (IBU) were in the range 20.8-125ngg-1. The method was satisfactory applied for an uptake study in Lavandula dentata samples finding quantifying concentrations of FLM and CBZ in roots, leaf and stem. PMID- 29223893 TI - Biogeographic distribution of bacterial, archaeal and methanogenic communities and their associations with methanogenic capacity in Chinese wetlands. AB - Natural wetlands and anthropogenic paddy fields are the dominant biogenic sources of atmospheric methane emission which have been speculated as the most probable sources for the increase of post-2006 atmospheric methane. Regional differences in CH4 emission is possibly due to microbial biogeographic distribution. Here we collected soils from 19 wetlands from different regions in China. The methane production capacity (MPC) was measured for each soil samples and varied from 1.11 to 841.94mg/kg dry soil. High throughput sequencing was employed to investigate the diversity and composition of bacterial, archaeal and methanogenic communities. Similar biogeographic patterns for bacterial, archaeal and methanogenic communities along the latitudinal gradient were observed, and the biogeographic assemblies of different microbial groups were driven by concurrent factors, including edaphic variables (total organic carbon, total phosphorus and pH) and climatic variables (annual frost days, mean annual temperature, direct solar radiation and mean annual precipitation). MPC was significantly correlated with TOC concentration, and in addition, various functional taxa were positively correlated with MPC (P<0.05), for example, Sphingomonas, Syntrophomonas, Methanospirillum and Methanoregula, indicating their potential contributions in the methanogenic process, and many of them were fermentative bacteria and methanogens. Network analysis showed that some syntrophs, sulfate-reducers and methanogens were tightly co-occurred in one module, suggesting their involvements in cross-linked functional processes. Our study implicated both temperature and substrate availability altered the biogeographic patterns of microbial community as well as methane production potential in Chinese wetlands. PMID- 29223894 TI - A model-based fish bioassessment index for Eastern Mediterranean rivers: Application in a biogeographically diverse area. AB - In ecosystems with high fish species endemicity, such as Mediterranean-type rivers, biogeographical differences among ecoregions present serious obstacles to developing broadly-applicable river bioassessment indices. This impediment has contributed to a serious time-lag in developing EU policy-relevant fish-based indices in the Eastern Mediterranean countries. Here we present the first model based fish index for the Eastern Mediterranean (the Hellenic Fish Index, HeFI) in an effort to overcome biogeographic differences among the area's biotically heterogeneous rivers. The index is based on modelled reference conditions and employs site-specific electrofished fish samples from an extensive dataset from Greece that covers six freshwater ecoregions, including five transboundary river basins flowing through six countries. Environmental and anthropogenic pressure data were procured from 403 sampled river sites and ecologically-relevant traits were defined for 103 collected fish species. For the development of the index, we first diagnosed least degraded sites forming a calibrated reference site dataset and secondly quantified differences of fish metrics between the reference and impaired sites. Four trait-based fish metrics showed the best ability to discriminate between impaired and reference sites. The index performed well in discriminating anthropogenic pressure classes, giving a significant negative linear response to a gradient of anthropogenic degradation. HeFI successfully assessed both small and large rivers in different freshwater ecoregions. This geographically broad-scale index development shows that key trait-based reference conditions can be produced by a predictive model in remarkably heterogeneous rivers where range-restricted fishes dominate. This index promotes a screening level bioassessment application that may be further developed and refined with relevant monitoring. PMID- 29223895 TI - Effects of land use and sampling distance on water quality in tropical headwater springs (Pimenta creek, Sao Paulo State, Brazil). PMID- 29223896 TI - Environmental status of livestock and poultry sectors in China under current transformation stage. AB - Intensive animal husbandry had aroused great environmental concerns in many developed countries. However, some developing countries are still undergoing the environmental pollution from livestock and poultry sectors. Driven by the large demand, China has experienced a remarkable increase in dairy and meat production, especially in the transformation stage from conventional household breeding to large-scale industrial breeding. At the same time, a large amount of manure from the livestock and poultry sector is released into waterbodies and soil, causing eutrophication and soil degradation. This condition will be reinforced in the large-scale cultivation where the amount of manure exceeds the soil nutrient capacity, if not treated or utilized properly. Our research aims to analyze whether the transformation of raising scale would be beneficial to the environment as well as present the latest status of livestock and poultry sectors in China. The estimation of the pollutants generated and discharged from livestock and poultry sector in China will facilitate the legislation of manure management. This paper analyzes the pollutants generated from the manure of the five principal commercial animals in different farming practices. The results show that the fattening pigs contribute almost half of the pollutants released from manure. Moreover, the beef cattle exert the largest environmental impact for unitary production, about 2-3 times of pork and 5-20 times of chicken. The animals raised with large-scale feedlots practice generate fewer pollutants than those raised in households. The shift towards industrial production of livestock and poultry is easier to manage from the environmental perspective, but adequate large-scale cultivation is encouraged. Regulation control, manure treatment and financial subsidies for the manure treatment and utilization are recommended to achieve the ecological agriculture in China. PMID- 29223897 TI - Agricultural drought prediction using climate indices based on Support Vector Regression in Xiangjiang River basin. AB - Drought can have a substantial impact on the ecosystem and agriculture of the affected region and does harm to local economy. This study aims to analyze the relation between soil moisture and drought and predict agricultural drought in Xiangjiang River basin. The agriculture droughts are presented with the Precipitation-Evapotranspiration Index (SPEI). The Support Vector Regression (SVR) model incorporating climate indices is developed to predict the agricultural droughts. Analysis of climate forcing including El Nino Southern Oscillation and western Pacific subtropical high (WPSH) are carried out to select climate indices. The results show that SPEI of six months time scales (SPEI-6) represents the soil moisture better than that of three and one month time scale on drought duration, severity and peaks. The key factor that influences the agriculture drought is the Ridge Point of WPSH, which mainly controls regional temperature. The SVR model incorporating climate indices, especially ridge point of WPSH, could improve the prediction accuracy compared to that solely using drought index by 4.4% in training and 5.1% in testing measured by Nash Sutcliffe efficiency coefficient (NSE) for three month lead time. The improvement is more significant for the prediction with one month lead (15.8% in training and 27.0% in testing) than that with three months lead time. However, it needs to be cautious in selection of the input parameters, since adding redundant information could have a counter effect in attaining a better prediction. PMID- 29223898 TI - Exposure to low concentrations of air pollutants and adverse birth outcomes in Brisbane, Australia, 2003-2013. AB - BACKGROUND: It's unclear whether exposures to low-level air pollution have adverse effects on birth outcomes, and which trimester-specific pregnant exposure is sensitive. OBJECTIVES: To investigate the effects of maternal exposure during each trimester and the whole pregnancy to particles with aerodynamic diameter<2.5MUm (PM2.5), sulfur dioxide (SO2), nitrogen dioxide (NO2), and ozone (O3) on preterm birth (PTB) and low birth weight (LBW). METHODS: Daily data on birth records, air quality, and weather conditions were collected in Brisbane, Australia during 2003-2013. Mean concentrations of air pollutants were calculated for each trimester of pregnancy. Cox proportional hazards models were used to examine the associations between air pollution and birth outcomes. Multi pollutant models and stratified analyses by ambient temperature were performed. RESULTS: Exposures to PM2.5, SO2, NO2, and O3 during the whole pregnancy were associated with increased risk of PTB [IQR HRs (hazard ratios with an interquartile range increase in air pollutants) and 95% confidence intervals (CIs): 1.05 (1.02, 1.08), 1.12 (1.09, 1.16), 1.07 (1.01, 1.13), and 1.13 (1.10, 1.16), respectively] and LBW [IQR HRs and 95% CIs: 1.06 (1.02, 1.10), 1.12 (1.08, 1.16), 1.11 (1.03, 1.18), and 1.13 (1.09, 1.17), respectively]. Highest HRs were observed during trimester 3, and lowest in trimester 1. For each air pollutant, stronger effects on PTB and LBW were present for exposure to low and moderate temperatures than exposure to high ambient temperature. CONCLUSIONS: Exposures to low-level air pollutants are related to adverse birth outcomes. More effective policies for air quality control could contribute to improving neonatal health. PMID- 29223899 TI - Nighttime NOx loss and ClNO2 formation in the residual layer of a polluted region: Insights from field measurements and an iterative box model. AB - The heterogeneous reaction of dinitrogen pentoxide (N2O5) on aerosols is an important sink of nitrogen oxides (NOx) in the polluted boundary layer, and the production of nitryl chloride (ClNO2) can have significant effects on the atmospheric oxidative capacity. However, the heterogeneous loss of N2O5 and the formation of ClNO2 are still not well quantified, especially in China. In a previous study, we measured ClNO2 and N2O5 concentrations in several air masses at a high-elevation site in Hong Kong, and found the highest levels ever reported at one night. The present study employed an iterative box model to investigate five N2O5/ClNO2-laden nights. We first estimated the N2O5 uptake coefficient and ClNO2 yield and then calculated the relative importance of N2O5 heterogeneous reactions to NOx loss and the accumulated ClNO2 production over the entire night. The average uptake coefficient was 0.004+/-0.003, and the average yield was 0.42+/-0.26. As the air masses aged, the accumulated ClNO2 reached up to 6.0ppbv, indicating significant production of ClNO2 in the polluted air from the Pearl River Delta. ClNO2 formation (N2O5+Cl-), N2O5 hydrolysis (N2O5+H2O), and NO3 reactions with volatile organic compounds (NO3+VOCs) consumed 23%, 27%, and 47% of the produced NO3, respectively, as the average for five nights. A significant portion of the NOx in the air masses (70%+/-10%) was removed during the night via NO3 reactions with VOCs (~40%) and N2O5 heterogeneous loss (~60%). PMID- 29223900 TI - Driving factors of soil carbon accumulation in Oxisols in long-term no-till systems of South Brazil. AB - In a climate change scenario, it is important to understand the factors that lead to changes in a soil carbon (C) sink. It is recognized that such process is highly dependent on climate, soil properties, topography, and vegetation. However, few studies demonstrate how these mechanisms operate in highly weathered Oxisols. Therefore, this study evaluated the driving factors for C recovery and accumulation and its relations with fertility attributes in the soil profile (0 to 1m depth) in no-till (NT) croplands of south Brazil. The adoption of NT in the studied fields started between 1978 (pioneer areas) and 1990 and represent a range of textural and mineralogical characteristics South Brazil main croplands. Soil samples were collected in paired fields of native vegetation and NT (NV vs. long-term NT) to a depth of 1m. The studied NT areas of Rio Grande do Sul State were managed according to the principles of conservation agriculture (minimum soil disturbance, permanent soil cover and diverse crop rotation). The processes that drove SOC recovery in the studied sites were soil fertility management allied with high C input through intense crop rotation. The C recovery was were for areas with the predominance of soybean in the cropping system, higher levels of Al3+ and lower levels of Mg2+ and P. Sites with medium/high cropping intensity, lower levels of Al3+ and higher levels of P, Ca2+, Mg2+, and K+ resulted in higher C recovery. PMID- 29223901 TI - Thermally enhanced in situ bioremediation of groundwater contaminated with chlorinated solvents - A field test. AB - In situ bioremediation (ISB) using reductive dechlorination is a widely accepted but relatively slow approach compared to other technologies for the treatment of groundwater contaminated by chlorinated ethenes (CVOCs). Due to the known positive kinetic effect on microbial metabolism, thermal enhancement may be a viable means of accelerating ISB. We tested thermally enhanced ISB in aquifers situated in sandy saprolite and underlying fractured granite. The system comprised pumping, heating and subsequent injection of contaminated groundwater aiming at an aquifer temperature of 20-30 degrees C. A fermentable substrate (whey) was injected in separate batches. The test was monitored using hydrochemical and molecular tools (qPCR and NGS). The addition of the substrate and increase in temperature resulted in a rapid increase in the abundance of reductive dechlorinators (e.g., Dehalococcoides mccartyi, Dehalobacter sp. and functional genes vcrA and bvcA) and a strong increase in CVOC degradation. On day 34, the CVOC concentrations decreased by 87% to 96% in groundwater from the wells most affected by the heating and substrate. On day 103, the CVOC concentrations were below the LOQ resulting in degradation half-lives of 5 to 6days. Neither an increase in biomarkers nor a distinct decrease in the CVOC concentrations was observed in a deep well affected by the heating but not by the substrate. NGS analysis detected Chloroflexi dechlorinating genera (Dehalogenimonas and GIF9 and MSBL5 clades) and other genera capable of anaerobic metabolic degradation of CVOCs. Of these, bacteria of the genera Acetobacterium, Desulfomonile, Geobacter, Sulfurospirillum, Methanosarcina and Methanobacterium were stimulated by the substrate and heating. In contrast, groundwater from the deep well (affected by heating only) hosted representatives of aerobic metabolic and aerobic cometabolic CVOC degraders. The test results document that heating of the treated aquifer significantly accelerated the treatment process but only in the case of an abundant substrate. PMID- 29223902 TI - People, pollution and pathogens - Global change impacts in mountain freshwater ecosystems. AB - Mountain catchments provide for the livelihood of more than half of humankind, and have become a key destination for tourist and recreation activities globally. Mountain ecosystems are generally considered to be less complex and less species diverse due to the harsh environmental conditions. As such, they are also more sensitive to the various impacts of the Anthropocene. For this reason, mountain regions may serve as sentinels of change and provide ideal ecosystems for studying climate and global change impacts on biodiversity. We here review different facets of anthropogenic impacts on mountain freshwater ecosystems. We put particular focus on micropollutants and their distribution and redistribution due to hydrological extremes, their direct influence on water quality and their indirect influence on ecosystem health via changes of freshwater species and their interactions. We show that those changes may drive pathogen establishment in new environments with harmful consequences for freshwater species, but also for the human population. Based on the reviewed literature, we recommend reconstructing the recent past of anthropogenic impact through sediment analyses, to focus efforts on small, but highly productive waterbodies, and to collect data on the occurrence and variability of microorganisms, biofilms, plankton species and key species, such as amphibians due to their bioindicator value for ecosystem health and water quality. The newly gained knowledge can then be used to develop a comprehensive framework of indicators to robustly inform policy and decision making on current and future risks for ecosystem health and human well-being. PMID- 29223903 TI - Application rate affects the degradation rate and hence emissions of chloropicrin in soil. AB - Increasingly stringent regulations to control soil-air emissions of soil fumigants has led to much research effort aimed at reducing emission potential. Using laboratory soil columns, we aimed to investigate the relationship between chloropicrin (CP) application rate and its emissions from soil across a wide range of CP applications (equivalent to 56-392kgha-1). In contrast to the known behavior of other fumigants, total emission percentages were strongly and positively related to application rate (i.e., initial mass), ranging from 4 to 34% across the application rate range. When combined, data from a previous study and the present study showed good overall comparability in terms of CP application rate vs. emission percentage, yielding a second-order polynomial relationship with an R2 value of 0.93 (n=12). The study revealed that mass losses of CP were strongly disproportional to application rate, also showing a polynomial relationship. Based on degradation studies, we consider that a shorter half-life (faster degradation) at lower application rates limited the amount of CP available for emission. The non-linear relationship between CP application rate and CP emissions (both as % of that applied and as total mass) suggests that low application rates likely lead to disproportionally low emission losses compared with higher application rates; such a relationship could be taken into account when assessing/mitigating risk, e.g., in the setting of buffer zone distances. PMID- 29223904 TI - Spatiotemporal variations of hydrogeochemistry and its controlling factors in the Gandaki River Basin, Central Himalaya Nepal. AB - The characterization and assessment of water quality in the head water region of Himalaya is necessary, given the immense importance of this region in sustaining livelihoods of people and maintaining ecological balance. A total of 165 water samples were collected from 55 sites during pre-monsoon, monsoon and post-monsoon seasons in 2016 from the Gandaki River Basin of the Central Himalaya, Nepal. The pH, EC values and TDS concentrations were measured in-situ and the concentrations of major ions (Ca2+, Mg2+, K+, Na+, Cl-, SO42-, NO3-) and Si were analyzed in laboratory. Correlation matrices, paired t-test, cluster analysis, principal component analysis (PCA), the Piper, Gibbs, and Mixing plots, and saturation index were applied to the measurements for evaluating spatiotemporal variation of the major ions. The results reveal mildly alkaline pH values and the following pattern of average ionic dominance: Ca2+>Mg2+>Na+>K+ for cations and HCO3->SO42 >Cl->NO3- for anions. The results of PCA, Gibbs plot and the ionic relationships displayed the predominance of geogenic weathering processes in areas with carbonate dominant lithology. This conclusion is supported by geochemically different water facies identified in the Piper plot as Ca-HCO3 (83.03%), mixed Ca Mg-Cl (12.73.0%) and Ca-Cl (4.24%). Pronounced spatiotemporal heterogeneity demonstrates the influence of climatic, geogenic and anthropogenic conditions. For instance, the Ca2+-SO42-, Mg2+-SO42- and Na+-Cl- pairs exhibit strong positive correlation with each other in the upstream region, whereas relatively weak correlation in the downstream region, likely indicating the influence of evapo-crystallization processes in the upstream region. Analyses of the suitability of the water supply for drinking and irrigation reveal that the river has mostly retained its natural water quality but poses safety concern at a few locations. Knowledge obtained through this study can contribute to the sustainable management of water quality in the climatically and lithologically distinct segments of the Himalayan river basins. PMID- 29223905 TI - Litter removal does not compensate detrimental fire effects on biodiversity in regularly burned semi-natural grasslands. AB - Regulation of plant biomass accumulation is a key issue in effective grassland conservation in Europe. Burning is an alternative tool to regulate biomass dynamics in semi-natural grasslands even in the absence of grazing or mowing. We tested the effects of regular spring burning on the biomass fractions and fine scale plant species composition of species-rich foothill grasslands in North Hungary. There were five regularly burned and five control grasslands in the study; we collected twenty 20*20-cm sized biomass samples from each. We analyzed the main fractions (litter, graminoid and forb biomass), and the species-level biomass scores, and flowering success in the control and burned grasslands. We revealed that fire increased the amount of forb biomass and decreased the amount of litter, which suggested that regular burning might be feasible for regulating biomass dynamics. The non-metric multi-dimensional scaling (NMDS) showed a high similarity of the control and burned grasslands in species composition. However, plant diversity, and the number of flowering shoots decreased significantly in the burned grasslands. In regularly burned sites we found a significant decline of specialist species, as well as of steppic flora elements. Our results showed that besides its positive effect on biomass dynamics, high-frequency burning threatens the overall diversity and specialist plant species in semi-natural grasslands. We recommend that proper fire regimes should be first studied experimentally, to provide a scientific basis for the application of prescribed burning management in such habitats. PMID- 29223906 TI - Comparison of real-world and certification emission rates for light duty gasoline vehicles. AB - U.S. light duty vehicles are subject to the U.S. Environmental Protection Agency (EPA) emission standards. Emission compliance is determined by certification testing of selected emissions from representative vehicles on standard driving cycles using chassis dynamometers. Test results are also used in many emission inventories. The dynamometer based emission rates are adjusted to provide the certification levels (CL), which must be lower than the standards for compliance. Although standard driving cycles are based on specific observations of real-world driving, they are not necessarily real-world representative. A systematic comparison of the real-world emission rates of U.S. light duty gasoline vehicles (LDGVs) versus CL, and emission standards has not been previously reported. The purpose of this work is to compare regulatory limits (both CLs and emission standards) and the real-world emissions of LDGVs. The sensitivity of the comparisons to cold start emission was assessed. Portable Emission Measurement Systems (PEMS) were used to measure hot stabilized exhaust emissions of 122 LDGVs on a specified 110 mile test route. Cold start emissions were measured with PEMS for a selected vehicle sample of 32 vehicles. Emissions were measured for carbon dioxide (CO2), carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOx). For each vehicle, a Vehicle Specific Power (VSP) modal emission rate model was developed. The VSP modal rates were weighted by the standard driving cycles and real-world driving cycles to estimate the respective cycle average emission rates (CAERs). Measured vehicles were matched with certification test vehicles for comparison. For systematic trends in comparison, vehicles were classified into four groups based on the Tier 1 and Tier 2 emission regulation, and the vehicle type such as passenger car and passenger truck. Depending on the cycle-pollutant and the vehicle groups, hot stabilized CAERs are on average either statistically significantly higher than or significantly not different from the CLs, with the exception of CO on the US06 cycle, for which real-world rates are lower than CLs. Compared to the emission standards, hot stabilized CAERs are on average significantly lower. However, comparisons of CAERs and standards are sensitive to cold start emissions. For some combinations of pollutants and vehicle groups, cold start inclusive CAERs are higher than the corresponding CLs and as high as the standards. The CLs, which are based on standard driving cycles, tend to underestimate real-world emission rates. Therefore, emission inventory estimates using certification test results are potentially underestimated. PMID- 29223907 TI - Analytical indicators to characterize Particulate Organic Matter (POM) and its evolution in French Vertical Flow Constructed Wetlands (VFCWs). AB - The design of French VFCWs leads to the formation of a sludge layer at the surface of the first filters due to the retention of suspended solids from the percolation of unsettled wastewater. This layer plays a major role in the system but still little is known on its characteristics and evolutions. In this study, suspended solids and sludge deposits sampled from two French VFCW plants were analyzed by different methods in the objective to assess the evolution of particulate organic matter (POM) along the treatment chain and within the sludge layer, and identify relevant analytical indicators of these phenomena. The treatment chain included an aerobic trickling filter followed by FeCl3 injection and two successive stages of filters. Thermal analyses showed that OM contents of suspended solids decreased along the treatment chain. POM in inflow suspended solids was predominantly composed of reactive, biodegradable compounds which were partly hydrolyzed and mineralized notably at the trickling filter stage. 3D fluorescence spectra collected from aqueous POM extracts confirmed the evolution of organic matter from low-molecular reactive compounds to more complex and stable structures such as humic-like substances. FTIR confirmed the mineralization of POM's reactive constituents along the treatment chain by the decrease in the intensities of the characteristics bands of aliphatic compounds or proteins, and its humification in the sludge deposits through the relative increase of the bands at 1634cm-1 (vC=O) and 1238cm-1 (deltaC=O and/or deltaOH). Isotopic ratios delta2H/1H and delta15N/14N were found to be good indicators of POM evolutions. The higher values of delta2H/1H and delta15N/14N ratios measured in sludge deposits as compared to inflow suspended solids were related to POM humification and to microbial processes of POM hydrolysis and mineralization, respectively. PMID- 29223908 TI - The role of groundwater discharge fluxes on Si:P ratios in a major tributary to Lake Erie. AB - Groundwater discharge can be a major source of nutrients to river systems. Although quantification of groundwater nitrate loading to streams is common, the dependence of surface water silicon (Si) and phosphorus (P) concentrations on groundwater sources has rarely been determined. Additionally, the ability of groundwater discharge to drive surface water Si:P ratios has not been contextualized relative to riverine inputs or in-stream transformations. In this study, we quantify the seasonal dynamics of Si and P cycles in the Grand River (GR) watershed, the largest Canadian watershed draining into Lake Erie, to test our hypothesis that regions of Si-rich groundwater discharge increase surface water Si:P ratios. Historically, both the GR and Lake Erie have been considered stoichiometrically P-limited, where the molar Si:P ratio is greater than the ~16:1 phytoplankton uptake ratio. However, recent trends suggest that eastern Lake Erie may be approaching Si-limitation. We sampled groundwater and surface water for dissolved and reactive particulate Si as well as total dissolved P for 12months within and downstream of a 50-km reach of high groundwater discharge. Our results indicate that groundwater Si:P ratios are lower than the corresponding surface water and that groundwater is a significant source of bioavailable P to surface water. Despite these observations, the watershed remains P-limited for the majority of the year, with localized periods of Si limitation. We further find that groundwater Si:P ratios are a relatively minor driver of surface water Si:P, but that the magnitude of Si and P loads from groundwater represent a large proportion of the overall fluxes to Lake Erie. PMID- 29223909 TI - Implications of alteration processes on radon emanation, radon production rate and W-Sn exploration in the Panasqueira ore district. AB - Alteration processes have strong impacts on the chemical and physical properties of rock masses. Because they can affect the contents and the distribution of U as well as enhance the permeability of the bedrock, they may lead to a significant increase of radon release to the environment. However, their influence on radon emanation and radon production rate has yet to be properly assessed. To investigate the impact of alteration processes on the radiological properties, samples were collected in the Panasqueira region under the influence of surface weathering, deuteric, hydrothermal and fault related alteration. Major and trace elements (U, Th), physical, and radiological properties were measured in metasedimentary and fault rocks. The degree of alteration and weathering progress were assessed through indices of alteration, porosity and bulk density. Overall, an increase of the radon emanation coefficient from (approximately) 0.1 to 0.4 and radon production rate (from 40 to over 160Bq.m-3.h-1) is observed with the progress of physicochemical alteration. Decoupling of physical and chemical alteration however implies both must be quantified towards a proper assessment of the degree of alteration. The behavior of radiogenic elements upon alteration is shown to be complex and contingent upon the alteration process. An atypical increase of radon emanation in the ore district due to U mobilization was caused by hydrothermal alteration. Because radon emanation is not dependent upon the pelitic nature of the metasedimentary rocks, it may thus become a proxy for W-Sn exploration. The dependency of radon production rate from the latter constrains its use for exploration. Nevertheless, it may provide a reliable estimation of the bedrock contribution to indoor radon concentrations. Higher indoor radon concentrations, hence, a higher risk of exposure to radon are expected in the ore district as well as within fault zones. PMID- 29223910 TI - Analysis of the interactions between environmental and food contaminants, cadmium and deoxynivalenol, in different target organs. AB - Cadmium (Cd), a common and widespread toxic heavy metal, and mycotoxins such as deoxynivalenol (DON) are frequent contaminants of the food supply. Most of the data on their toxicity concern their effects when present alone. However, consumers can be exposed to a cocktail of DON and Cd. To improve the understanding of their combined toxicity, the effects of DON and Cd alone or in combination were investigated in different human cell lines from the kidney (HEK 293), intestine (Caco-2), blood (HL-60) and liver (HepG2). Cytotoxicity was assessed through ATP measurement and types of interactions determined by the Isobologram-Combination index method. HEK-293 cells were exposed to increasing doses of DON, Cd and their combination at different ratios (DON/Cd of 2/1; 1/1; 1/2 and 1/8). Regardless of the ratio, the type of interaction observed in HEK 293 cells ranged from moderate antagonism to nearly additive with increasing cytotoxicity. In Caco-2 cells, the interactions ranged from nearly additive to antagonism whatever the ratio. At ratio 1/1, in HL-60 and HepG2 cells, interactions ranged from synergy to antagonism depending on the cytotoxicity level. Using human cells lines, this study indicates that the consequences of combined exposure to environmental and food contaminants are specific to the target organ. Further studies are needed to confirm these data in vivo. PMID- 29223911 TI - PCBs and PCDD/Fs in soil from informal e-waste recycling sites and open dumpsites in India: Levels, congener profiles and health risk assessment. AB - Growth of informal electronic waste (e-waste) recycling sector is an emerging problem for India. The presence of halogenated compounds in e-wastes may result in the formation of persistent organic pollutants like polychlorinated biphenyls (PCBs), polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) during recycling processes. We therefore investigated PCBs and PCDD/Fs in surface soils explicitly from the informal e-waste recycling sites and nearby open dumpsites of major metropolitan cities from four corners of India, viz., New Delhi (North), Kolkata (East), Mumbai (West) and Chennai (South). In the informal e-waste recycling sites, the range of Sigma26PCBs (0.4-488ng/g) and ?PCDD/Fs (1.0 10.6ng/g) were higher than ?26PCBs (0.3-21ng/g) and ?PCDD/Fs (0.15-7.3ng/g) from open dumpsites. In the e-waste sites, ?PCDDs were found with increasing trend from ?TetraCDD to OctaCDD, whereas ?PCDFs showed a reverse trend. The dominance of PCDF congeners and maximum toxicity equivalents (TEQ) for both PCDDs (17pg TEQ/g) and PCDFs (82pg TEQ/g) at Mandoli in New Delhi has been related to intensive precious metal recovery process using acid bath. Among dumpsites, highest TEQ for PCDD/Fs was observed at Kodangaiyur dumpsite of Chennai (CNDS-02, 45pg TEQ/g). Positive Matrix Factorization (PMF) model identified distinct congener pattern based on the functional activities, such as e-waste dismantling, shredding, precious metal recovery and open burning in dumpsites. E-waste metal recovery factor was loaded with 86-91% of PCB-77, -105, -114, -118 and 30% of PCB 126, possibly associated with the burning of wires during the copper extraction process. Almost 70% of the ?26PCB concentrations was comprised of the dioxin-like PCB congeners with a maximum concentration of 437ng/g at New Moore market in Chennai, followed by Wire Lane (102ng/g), in Mumbai. We speculate that PCB-126 might have resulted from combustion of plastic materials in e-waste stream and dumped waste. PMID- 29223912 TI - Prenatal buprenorphine exposure and neonatal neurobehavioral functioning. AB - AIMS: Assessments of effects of prenatal opioid exposure on the neonate have consisted principally of evaluations of neonatal abstinence syndrome (NAS) to determine the need for pharmacotherapy. The purpose of this study was to comprehensively evaluate the effects of gestational maternal buprenorphine maintenance on newborn neurobehavioral functioning. STUDY DESIGN: Maternal substance use history and psychosocial demographics that can contribute to the neurobehavioral functioning of the infant were explored. Infants were assessed using the NICU Network Neurobehavioral Scale (NNNS) to measure their neurologic and behavioral functioning and signs of stress/abstinence on days 3, 14 and 30 of life. SUBJECTS: Participants were 41 pregnant buprenorphine-maintained women and their infants. RESULTS: Maternal buprenorphine dose at delivery was negatively correlated with infant quality of movement and self-regulation, and positively correlated with the central nervous system parameters of stress/abstinence at day 3 of life. As maternal buprenorphine dose increased, the mean morphine dose that the infant required for NAS treatment significantly increased. No differences were found when comparing the NNNS domain scores between infants who required pharmacotherapy for NAS versus those who did not at day 3 of life. CONCLUSIONS: Buprenorphine exposure during pregnancy can alter neonatal neurobehavioral and physiological responses to stimuli. A systematic evaluation of the newborn's functional domains above NAS assessment alone is crucial to address the challenges created by neurobehavioral dysregulation associated with substance exposure, improve caregiver/infant interaction and developmental trajectory. Comprehensive pre/postnatal treatment of buprenorphine-maintained mothers can lead to healthier outcomes for the dyad. PMID- 29223913 TI - Prevalence of childhood trauma and correlations between childhood trauma, suicidal ideation, and social support in patients with depression, bipolar disorder, and schizophrenia in southern China. AB - BACKGROUND: Childhood trauma has long-term adverse effects on physical and psychological health. Previous studies demonstrated that suicide and mental disorders were related to childhood trauma. In China, there is insufficient research available on childhood trauma in patients with mental disorders. METHODS: Outpatients were recruited from a psychiatric hospital in southern China, and controls were recruited from local communities. The demographic questionnaire, the Childhood Trauma Questionnaire-Short Form (CTQ-SF), and the Social Support Rating Scale (SSRS) were completed by all participants, and the Self-rating Idea of Suicide Scale (SIOSS) were completed only by patients. Prevalence rates of childhood trauma were calculated. Kruskal-Wallis test and Dunnett test were used to compare CTQ-SF and SSRS scores between groups. Logistic regression was used to control demographic characteristics and examine relationships between diagnosis and CTQ-SF and SSRS scores. Spearman's rank correlation test was conducted to analyze relationships between suicidal ideation and childhood trauma and suicidal ideation and social support. RESULTS: The final sample comprised 229 patients with depression, 102 patients with bipolar, 216 patient with schizophrenia, and 132 healthy controls. In our sample, 55.5% of the patients with depression, 61.8% of the patients with bipolar disorder, 47.2% of the patients with schizophrenia, and 20.5% of the healthy people reported at least one type of trauma. In patient groups, physical neglect (PN) and emotional neglect (EN) were most reported, and sexual abuse (SA) and physical abuse (PA) were least reported. CTQ-SF and SSRS total scores, and most of their subscale scores in patient groups were significantly different from the control group. After controlling demographic characteristics, mental disorders were associated with higher CTQ-SF scores and lower SSRS scores. CTQ-SF scores and number of trauma types were positively correlated with the SIOSS score. Negative correlations existed between SSRS scores and the SIOSS score. LIMITATIONS: Our sample may not be sufficiently representative. Some results might have been interfered by demographic characteristics. The SIOSS was not completed by controls. Data from self-report scales were not sufficiently objective. CONCLUSIONS: In southern China, childhood trauma is more severe and more prevalent in patients with mental disorders (depression, bipolar disorder and schizophrenia) than healthy people. Among patients with mental disorders in southern China, suicidal ideation is associated with childhood trauma and poor social support. PMID- 29223915 TI - Marijuana buyers in the United States, 2010-2014. AB - BACKGROUND: Obtaining or purchasing marijuana in the U.S. can be done only in certain states via a lawful market for medical or non-medical (recreational) purposes, or via an unlawful market ("black market") by home cultivation and unlicensed vendors and individuals. Given the evolving U.S. state marijuana legislation landscape, the objective of this study is to describe individuals who report buying marijuana in the past year by selected characteristics and U.S. geographical location. METHODS: Using data from the 2010-2014 National Survey on Drug Use and Health (NSDUH), we conducted bivariate chi-square tests to examine sociodemographic and selected behavioral indicators associated with buying marijuana and analyzed these factors in a multivariable logistic regression model. NSDUH participants were the noninstitutionalized civilian population aged 12+ (approximately 62,100 individuals per year) who reported using marijuana in the past year (approximately 12,400 annual average). RESULTS: A weighted estimate of approximately 18.5 million individuals aged 12+ reported buying marijuana in the past year (59% of marijuana users). Overall, buyers of marijuana were more likely to be male, report using marijuana for a greater number of days, and to meet the criteria for substance use disorder and marijuana dependence. Data showed differences of proportion of marijuana buyers by state of residence. CONCLUSIONS: Given recent changes in state laws and policies and the increased demand for marijuana products, continued monitoring of the U.S. marijuana market in coming years is important in order to understand consumption and buying patterns among at-risk segments of the population, especially youth. PMID- 29223914 TI - Cannabis use disorder and male sex predict medical cannabis card status in a sample of high risk adolescents. AB - OBJECTIVE: To examine if a substance use disorder (SUD), especially cannabis use disorder in adolescence, predicts future medical cannabis card status among high risk youth. METHODS: Data collection occurred in Denver and San Diego. We recruited adolescents, with or at high risk for SUD and conduct problems (hereafter probands) and their siblings (n=654). Baseline (Wave 1) assessments took place between 1999 and 2008, and follow-up (Wave 2) took place between 2010 and 2013. In initial bivariate analyses, we examined whether baseline DSM-IV cannabis abuse/dependence (along with other potential predictors) was associated with possessing a medical cannabis card in young adulthood (Wave 2). Significant predictors were then included in a multiple binomial regression. Self-reported general physical health was also evaluated at both time points. Finally, within Wave 2, we tested whether card status was associated with concurrent substance dependence. RESULTS: About 16% of the sample self-reported having a medical cannabis card at follow-up. Though bivariate analyses demonstrated that multiple predictors were significantly associated with Wave 2 card status, in our multiple binomial regression only cannabis abuse/dependence and male sex remained significant. At Wave 2, those with a medical cannabis card were significantly more likely to endorse criteria for concurrent cannabis dependence. There was no significant difference in self-reported general physical health. CONCLUSIONS: Cannabis abuse/dependence and male sex positively predicted future medical cannabis card holder status among a sample of high risk adolescents. Physicians conducting evaluations for medical cannabis cards should carefully evaluate and consider past and concurrent cannabis addiction. PMID- 29223917 TI - Molecular dynamics simulations suggest changes in electrostatic interactions as a potential mechanism through which serine phosphorylation inhibits DNA Polymerase beta's activity. AB - DNA polymerase beta is a 39kDa enzyme that is a major component of Base Excision Repair in human cells. The enzyme comprises two major domains, a 31kDa domain responsible for the polymerase activity and an 8kDa domain, which bind ssDNA and has a deoxyribose phosphate (dRP) lyase activity. DNA polymerase beta was shown to be phosphorylated in vitro with protein kinase C (PKC) at serines 44 and 55 (S44 and S55), resulting in loss of its polymerase enzymic activity, but not its ability to bind ssDNA. In this study, we investigate the potential phosphorylation-induced structural changes for DNA polymerase beta using molecular dynamics. The simulations show drastic conformational changes of the polymerase structure as a result of S44 phosphorylation. Phosphorylation-induced conformational changes transform the closed (active) enzyme structure into an open one. Further analysis of the results points to a key hydrogen bond and newly formed salt bridges as potential drivers of these structural fluctuations. The changes observed with S44/55 and S55 phosphorylation were less dramatic than S44 and the integrity of the H-bond was not compromised. Thus the phosphorylation of S44 is likely the major contributor to structural fluctuations that lead to loss of enzymatic activity. PMID- 29223916 TI - Performance of cigarette susceptibility index among e-cigarette and hookah users. AB - OBJECTIVE: Susceptibility to cigarette smoking has been used since the mid-1990s as a measure to identify youth at risk of cigarette initiation. However, it is unclear how well this measure predicts future smoking among electronic (e )cigarette or hookah users, or among those in tobacco-friendly social environments. METHODS: We used prospective data from the Southern California Children's Health Study to evaluate the performance (sensitivity, specificity, predictive value) of a composite index assessing susceptibility to smoking, and to evaluate whether performance of the measure differed by use of e-cigarettes or hookah, or immersion in a tobacco-friendly social environment. Susceptibility to cigarette smoking was measured in 11th/12th grade (2014) among never cigarette smokers (N=1266); follow-up data on smoking initiation were obtained approximately 16 months later. RESULTS: Overall, 16.4% of youth initiated smoking between baseline and follow-up. The sensitivity of the susceptibility to smoking index was low (46.4%), and specificity was high (79.0%). No difference in sensitivity was observed by baseline e-cigarette use; specificity was higher among never e- cigarette users. Differences in negative predictive value (NPV) and positive predictive value (PPV) were also observed by baseline e-cigarette and hookah use. Specificity was generally lower, and sensitivity was generally higher for those in tobacco-friendly social environments. CONCLUSIONS: Our findings suggest that use of the susceptibility to smoking index in cross sectional studies of older adolescents to identify those likely to begin smoking may be inappropriate for those using alternative tobacco products (e.g., e cigarettes or hookah). PMID- 29223918 TI - Postmortem computed tomography findings in cases of bath-related death: Applicability and limitation in forensic practice. AB - PURPOSE: Bath-related deaths occur frequently in Japan, and many of these deaths are diagnosed as death from disease without autopsy in the current Japanese death investigation system. Therefore, we aimed to examine the postmortem computed tomography (PMCT) findings of bath-related deaths to determine if PMCT can differentiate between real cases of drowning and sudden deaths not related to drowning. METHODS: Bath-related deaths were sampled from all autopsies conducted at the Tokyo Medical Examiner's Office from September 2015 to August 2016. A total of 90 bath-related deaths (77 drowning cases and 13 non-drowning cases) and 50 controls (sudden cardiac deaths non-related to bathing) were included in this study. We investigated factors contributing to drowning and measured PMCT parameters (presence/density of fluid in the maxillary sinus/trachea, distance between the lungs, lung patterns [ground glass opacities, consolidation], position of the right diaphragmatic dome, density in the right atrium, stomach volume, and density of the gastric/duodenal contents). RESULTS: The analysis of the factors contributing to drowning showed that alcohol intoxication was the most frequent (n=25), followed by cardiac pathology (n=22), and psychotropic drug intoxication (n=6). Radiological evaluation showed that measurements of all parameters differed significantly between the drowning group and the controls. In addition, significant differences were observed between drowning and non-drowning cases in three radiological parameters (i.e., distance between lungs, stomach volume, and density of gastric contents). CONCLUSIONS: Majority of bath-related deaths in this study showed signs of drowning at autopsy, and we observed a range of factors that contributed to drowning. By using several radiological parameters (e.g., the distance between the lungs, stomach volume, and the density of the gastric contents), PMCT for the investigation of bath-related deaths might indicate that drowning as opposed to other factors unrelated to drowning (e.g., sudden cardiac death) was the cause of death. This might allow for calculation of accurate mortality statistics on bath-related deaths. PMID- 29223920 TI - Streptococcus agalactiae bacteremia in non-pregnant adult patients at two teaching hospitals. AB - Streptococcus agalactiae or group B streptococcus (GBS) is a frequent pathogen in immunocompromised adults. The aim of this study was to determine the relative frequency, clinical presentation, antimicrobial susceptibility profile, and risk factors associated with GBS bacteremia in non-pregnant adult patients. We conducted a retrospective analysis of blood cultures performed in two hospitals between the years 2009-2013. From 1110 bacteremia episodes, 13 were caused by GBS, all of which were susceptible to ampicillin. GBS bacteremia was more frequent in females and in patients older than 60 years of age. The most frequent comorbidities were chronic kidney disease, cardiac failure and neoplasia. History of appendectomy was detected in 53.8% of the patients, being the most relevant comorbidity for GBS bacteremia in the multivariate analysis (OR 4.13, p=0.012). The main presentations were primary bacteremia and soft tissue infection. GBS bacteremia was infrequent in our institution, and a history of appendectomy might be related to bacteremia occurrence. PMID- 29223919 TI - [Temporal diversity dynamics of the arbuscular mycorrhizal fungi of Larrea tridentata (Sesse & Mocino ex DC) Coville in a semi-arid ecosystem]. AB - Arbuscular mycorrhizal fungi (AMF) of arid and semiarid ecosystems are important for the development of plants that grow under biotic stress in wild or in agro ecosystems. There is little information on the temporal diversity of these organisms in perennial plants from arid ecosystems in northern Mexico. On this study, the mycorrhizal colonization and the temporal diversity of AMF in the rhizosphere of Larrea tridentata, perennial plant abundant in the Chihuahuan Desert region were explored. Samples of the rhizosphere and roots of fifteen plants in each of the three sampling dates during the 2015 year were obtained. A total of 17 species of HMA belonging to 12 genera and 7 families within the phylum Glomeromycota in all three sampling dates were found. Funneliformis geosporum was the dominant species belonging to the family Glomeraceae which possess the highest genera number on L. tridentata. The highest mycorrhization percentage was in February with 83.22, followed by September and May with 75.27 and 65.27%, respectively. A maximum of 16 AM fungal species were isolated and identified from L. tridentata rhizosphere in February, 15 species in May and 12 species in September. Statistical analysis showed significant differences between sampling dates in the spores number. PMID- 29223921 TI - Metabolism and pharmacokinetics of alantolactone and isoalantolactone in rats: Thiol conjugation as a potential metabolic pathway. AB - Alantolactone (AL) and isoalantolactone (IAL), two major active sesquiterpene lactones isolated from Radix Inulae extract, have a wide range of pharmacological activities. The predominant metabolic pathway of AL and IAL observed was glutathione (GSH) conjugation in vitro, which could occur in the absence of metabolic enzymes. Non-enzymatic conjugation with cysteine (Cys) couldalso be observed. Four metabolites (AL-GSH, AL-Cys, IAL-GSH, IAL-Cys) were subsequently isolated and confirmed by nuclear magnetic resonance (NMR). The results indicated that the thiol of GSH or Cys can be reacted with the exomethylene carbon atoms of alpha, beta-unsaturated carbonyl of AL and IAL. After intravenous administration in rats, AL and IAL were extensively metabolized, and the exposure, as measured by area under the concentration-time curve (AUC), for AL-GSH, AL-Cys, IAL-GSH, and IAL-Cys was approximately 1.54-, 0.96-, 1.50-, and 0.91-fold that of the parent drug, respectively. The AUC ratio of metabolites to parent compounds of oral administration was 3.66-, 9.19-, 12.97-, and 9.92-fold that of the parent drug for the above metabolites, respectively. The bioavailability of AL-total (AL, AL-GSH, AL-Cys) and IAL-total (IAL, IAL-GSH, IAL-Cys) was, respectively, 8.39% and 13.07%, which was 3.62- and 6.95- fold that of AL (2.32%) and IAL (1.88%), respectively. The oral exposure will be underestimated if the parent drugs are tested alone. These findings provide useful information for preclinical safety evaluation, and for predicting AL and IAL metabolism in humans. PMID- 29223922 TI - Iso/Anisohydry: A Plant-Environment Interaction Rather Than a Simple Hydraulic Trait. AB - Plants are frequently classified as isohydric or anisohydric in an attempt to portray their water relations strategy or ecological niche. However, despite the popularity of the iso/anisohydric classification, the underlying biology remains unclear. We use here a simple hydraulic model and the extensive literature on grapevine hydraulics to illustrate that the iso/anisohydric classification of a plant depends on the definition used and the environment in which it is grown, rather than describing an intrinsic property of the plant itself. We argue that abandoning the iso/anisohydric terminology and returning to a more fundamental hydraulic framework would provide a stronger foundation for species comparisons and ecological predictions. PMID- 29223923 TI - Plant Defenses against Herbivory: Closing the Fitness Gap. AB - Many morphological and chemical features of plants are classified as plant defenses against herbivores. By definition, plant defenses should increase a plant's fitness (i.e., its contribution to the gene pool of the next generation) as a function of herbivory. Over the past years, substantial progress has been made in understanding and manipulating the mechanistic basis of many putative plant defense traits. However, most plant defenses are still characterized by proximate variables such as herbivore performance or plant damage rather than actual fitness. Determining fitness benefits as a function of herbivory therefore remains a major knowledge gap that must be filled to understand the ecology and evolution of plant defenses. PMID- 29223924 TI - UTR-Dependent Control of Gene Expression in Plants. AB - Throughout their lives, plants sense many developmental and environmental stimuli, and activation of optimal responses against these stimuli requires extensive transcriptional reprogramming. To facilitate this activation, plant mRNA contains untranslated regions (UTRs) that significantly increase the coding capacity of the genome by producing multiple mRNA variants from the same gene. In this review we compare UTRs of arabidopsis (Arabidopsis thaliana) and rice (Oryza sativum) at the genome scale to highlight their complexity in crop plants. We discuss different modes of UTR-based regulation with emphasis on genes that regulate multiple plant processes, including flowering, stress responses, and nutrient homeostasis. We demonstrate functional specificity in genes with variable UTR length and propose future research directions. PMID- 29223925 TI - Characterizing interaction forces between actin and proteins of the tropomodulin family reveals the presence of the N-terminal actin-binding site in leiomodin. AB - Tropomodulin family of proteins includes several isoforms of tropomodulins (Tmod) and leiomodins (Lmod). These proteins can sequester actin monomers or nucleate actin polymerization. Although it is known that their actin-binding properties are isoform-dependent, knowledge on how they vary in strengths of interactions with G-actin is missing. While it is confirmed in many studies that Tmods have two actin-binding sites, information on number and location of actin-binding sites in Lmod2 is controversial. We used atomic force microscopy to study interactions between G-actin and proteins of the tropomodulin family. Unbinding forces between G-actin and Tmod1, Tmod2, Tmod3, or Lmod2 were quantified. Our results indicated that Tmod1 and Tmod3 had unimodal force distributions, Tmod2 had a bimodal distribution and Lmod2 had a trimodal distribution. The number of force distributions correlates with the proteins' abilities to sequester actin or to nucleate actin polymerization. We assigned specific unbinding forces to the individual actin-binding sites of Tmod2 and Lmod2 using mutations that destroy actin-binding sites of Tmod2 and truncated Lmod2. Our results confirm the existence of the N-terminal actin-binding site in Lmod2. Altogether, our data demonstrate how the differences between the number and the strength of actin binding sites of Tmod or Lmod translate to their functional abilities. PMID- 29223927 TI - Biochemical characterization of the YBPCI miniprotein, the first carboxypeptidase inhibitor isolated from Yellow Bell Pepper (Capsicum annuum L). A novel contribution to the knowledge of miniproteins stability. AB - The cystine-knot metallocarboxypeptidase inhibitors (MCPIs) are peptides that contribute to control proteolytic activity, involved in storage, growth and maintenance of plants. Lately studies reported several MCPIs with potential use in biomedical applications; as anti-cancer, anti-thrombotic, anti-malaric and anti-angiogenic agents. We report the isolation, purification, chemical stability and biochemical characterization of a novel carboxypeptidase A inhibitor (YBPCI) isolated from Capsicum annuum L. var. Yellow Bell Pepper, the first cystine-knot miniprotein (CKM) of the species. We demonstrate the stability of YBPCI (IC50 = 0.90 MUg/ml) to high temperatures, high salt concentration and extreme pH values. MALDI-TOF/MS analysis detected a molecular weight of 4057 Da, and peptide mass fingerprint resulted in no matches with other protease inhibitors. In vitro gastrointestinal digestion subjecting YBPCI to pH 2 incubation and proteolytic attack resulted in complete inhibitory activity. To summarize, there are no reports to date of carboxypeptidase inhibitors in C. annuum species, giving our report much more relevance. PMID- 29223928 TI - Are there risk factors for false-positive malformation diagnoses on obstetric ultrasound? A nested case-control study. AB - INTRODUCTION: In a population-based study, we found an overall false-positive rate of 8.8% for the second and third trimester ultrasounds. Although numerous studies have been performed to examine factors which lead to false negatives, the same is not true for the factors associated with false positives. The principal objective of this study was to look for risk factors for false-positive diagnoses of fetal malformations on obstetric ultrasound scans. MATERIAL AND METHODS: In this nested case-control study, the case infants were those whose mother had a false-positive antenatal ultrasound diagnosis of a malformation during the second or third trimester (ultrasound false-positives) and who were live - or stillborn in Auvergne in 2006-2010. The control group comprised all children who were ultrasound true-negatives in 2005 and 2007. The study included 46 cases and 184 controls, matched according to the level of the maternity unit in which they were born. RESULTS: Most false-positive diagnoses were minor malformations. The mean term at this false-positive diagnosis was 27.7+/-5.4 weeks; in 46.8% of cases, the diagnosis was made during the second-trimester ultrasound. A single malformation was suspected in 95.7% of the cases. In 97.9% of cases, only one anatomical system was affected. In all, 49 malformations were identified among the 46 cases and their distribution differed according to anatomical system. The only risk factor identified was a body mass index (BMI)<25 (ORa=1.7; 95%CI: 1.2 2.4). DISCUSSION: A maternal BMI<25 was the only risk factor identified for a false-positive ultrasound diagnosis of a fetal malformation. PMID- 29223926 TI - An update on factor XI structure and function. AB - Factor XI (FXI) is the zymogen of a plasma protease, factor XIa (FXIa), that contributes to thrombin generation during blood coagulation by proteolytic activation of several coagulation factors, most notably factor IX (FIX). FXI is a homolog of prekallikrein (PK), a component of the plasma kallikrein-kinin system. While sharing structural and functional features with PK, FXI has undergone adaptive changes that allow it to contribute to blood coagulation. Here we review current understanding of the biology and enzymology of FXI, with an emphasis on structural features of the protein as they relate to protease function. PMID- 29223929 TI - The minimum monitoring signal-to-noise ratio for off-axis signals and its implications for directional hearing aids. AB - The signal-to-noise ratio (SNR) benefit of hearing aid directional microphones is dependent on the angle of the listener relative to the target, something that can change drastically and dynamically in a typical group conversation. When a new target signal is significantly off-axis, directional microphones lead to slower target orientation, more complex movements, and more reversals. This raises the question of whether there is an optimal design for directional microphones. In principle an ideal microphone would provide the user with sufficient directionality to help with speech understanding, but not attenuate off-axis signals so strongly that orienting to new signals was difficult or impossible. We investigated the latter part of this question. In order to measure the minimal monitoring SNR for reliable orientation to off-axis signals, we measured head orienting behaviour towards targets of varying SNRs and locations for listeners with mild to moderate bilateral symmetrical hearing loss. Listeners were required to turn and face a female talker in background noise and movements were tracked using a head-mounted crown and infrared system that recorded yaw in a ring of loudspeakers. The target appeared randomly at +/- 45, 90 or 135 degrees from the start point. The results showed that as the target SNR decreased from 0 dB to -18 dB, first movement duration and initial misorientation count increased, then fixation error, and finally reversals increased. Increasing the target angle increased movement duration at all SNRs, decreased reversals (above -12 dB target SNR), and had little to no effect on initial misorientations. These results suggest that listeners experience some difficulty orienting towards sources as the target SNR drops below -6 dB, and that if one intends to make a directional microphone that is usable in a moving conversation, then off-axis attenuation should be no more than 12 dB. PMID- 29223930 TI - Frequency selectivity in macaque monkeys measured using a notched-noise method. AB - The auditory system is thought to process complex sounds through overlapping bandpass filters. Frequency selectivity as estimated by auditory filters has been well quantified in humans and other mammalian species using behavioral and physiological methodologies, but little work has been done to examine frequency selectivity in nonhuman primates. In particular, knowledge of macaque frequency selectivity would help address the recent controversy over the sharpness of cochlear tuning in humans relative to other animal species. The purpose of our study was to investigate the frequency selectivity of macaque monkeys using a notched-noise paradigm. Four macaques were trained to detect tones in noises that were spectrally notched symmetrically and asymmetrically around the tone frequency. Masked tone thresholds decreased with increasing notch width. Auditory filter shapes were estimated using a rounded exponential function. Macaque auditory filters were symmetric at low noise levels and broader and more asymmetric at higher noise levels with broader low-frequency and steeper high frequency tails. Macaque filter bandwidths (BW3dB) increased with increasing center frequency, similar to humans and other species. Estimates of equivalent rectangular bandwidth (ERB) and filter quality factor (QERB) suggest macaque filters are broader than human filters. These data shed further light on frequency selectivity across species and serve as a baseline for studies of neuronal frequency selectivity and frequency selectivity in subjects with hearing loss. PMID- 29223931 TI - Prevalence of anxiety disorders in epilepsy. AB - OBJECTIVE: Anxiety disorders (ADs) are common in patients with epilepsy (PWE). The aim of this study was to estimate the prevalence of specific ADs in outpatients with epilepsy. METHODS: A group of 118 consecutive outpatients with epilepsy were screened, and 96 patients meeting inclusion criteria were examined by a trained psychiatrist using Structured Clinical Interview (SICD-I) for Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition (Text Revision) (DSM-IV-TR). RESULTS: A diagnosis of any current AD was established in 16 (16.7%) out of 96 participants. Furthermore, panic disorder (PD) was the most frequent AD; it was observed in 13.5% of PWE and constituted 81.2% of the identified ADs in the study group. Older age and later age of seizure onset were associated with increased odds of AD diagnosis. STUDY LIMITATIONS: The cross sectional study design, a consecutive sample of patients presenting to a tertiary referral center, and small sample size of the population could have affected the results. CONCLUSIONS: Panic disorder and other forms of AD are common among PWE. Age and age of seizure onset are important factors associated with AD among PWE. PMID- 29223932 TI - Pregnancy-related knowledge of women with epilepsy - An internet-based survey in German-speaking countries. AB - There are several issues, which have to be acknowledged, when treating women with epilepsy (WWE). The need for counseling WWE in Germany with epilepsy on pregnancy related matters was stressed in several papers and medical guidelines. Physicians treating WWE in Germany therefore should be aware of the information needs of their patients. We aimed to determine the level of pregnancy-related knowledge of WWE and their informational needs concerning pregnancy and childbirth issues in German-speaking countries by an internet-based survey. The questionnaire consisted of 18 questions addressing the characteristics of the epilepsy syndromes, the patients' experience with pregnancy, and the sources of their pregnancy-related knowledge. Another 20 items addressed the level of pregnancy related knowledge. One hundred ninety-two women (179 patients, 13 relatives; age: 30.5+/-10.8years) participated. Most of the women got information and advice on the treatment of epilepsy from a neurologist (81%). Most of the women had obtained information concerning driving license (72%) followed by information about pregnancy and delivery (60%). The women, who remembered being counseled about pregnancy-related matters gave more correct answers to the pregnancy related questions than the others (51+/-17% vs. 38+/-24%, p<0.011). Thirty-eight percent of WWE taking enzyme inducing antiepileptic drugs (AEDs) were unaware of the interaction with oral contraception. Forty-one percent of WWE taking valproate were unaware of its high teratogenicity, and 89% of WWE had not been counseled about potentially reduced bone mineral density. Forty-six percent of participants did not believe that the majority of WWE have healthy children. The findings of this survey reveal considerable information needs of WWE concerning pregnancy-related matters in German-speaking countries. PMID- 29223933 TI - Task-based and resting-state fMRI reveal compensatory network changes following damage to left inferior frontal gyrus. AB - Damage to left inferior prefrontal cortex in stroke aphasia is associated with semantic deficits reflecting poor control over conceptual retrieval, as opposed to loss of knowledge. However, little is known about how functional recruitment within the semantic network changes in patients with executive-semantic deficits. The current study acquired functional magnetic resonance imaging (fMRI) data from 14 patients with semantic aphasia, who had difficulty with flexible semantic retrieval following left prefrontal damage, and 16 healthy age-matched controls, allowing us to examine activation and connectivity in the semantic network. We examined neural activity while participants listened to spoken sentences that varied in their levels of lexical ambiguity and during rest. We found group differences in two regions thought to be good candidates for functional compensation: ventral anterior temporal lobe (vATL), which is strongly implicated in comprehension, and posterior middle temporal gyrus (pMTG), which is hypothesized to work together with left inferior prefrontal cortex to support controlled aspects of semantic retrieval. The patients recruited both of these sites more than controls in response to meaningful sentences. Subsequent analysis identified that, in control participants, the recruitment of pMTG to ambiguous sentences was inversely related to functional coupling between pMTG and anterior superior temporal gyrus (aSTG) at rest, while the patients showed the opposite pattern. Moreover, stronger connectivity between pMTG and aSTG in patients was associated with better performance on a test of verbal semantic association, suggesting that this temporal lobe connection supports comprehension in the face of damage to left inferior prefrontal cortex. These results characterize network changes in patients with executive-semantic deficits and converge with studies of healthy participants in providing evidence for a distributed system underpinning semantic control that includes pMTG in addition to left inferior prefrontal cortex. PMID- 29223934 TI - [Hypoglycaemia in patients with type 1 and type 2 diabetes mellitus on insulin therapy. Results of the global HAT study in Argentina]. AB - We describe the results of the HAT study in 433 Argentinean patients with type 1 diabetes (T1D) and 823 with type 2 diabetes (T2D). HAT was an international non interventional study assessing severe and non-severe hypoglycaemia in patients with T1D and T2D under insulin treatment through a two-part self-assessment questionnaire (retrospective and prospective). The annual incidence of at least one hypoglycaemic episode was 46 episode/patient/year in T1D and 14.2 in T2D (retrospective), 96.5 and 24.6 episode/patient/year in T1D and T2D, respectively (prospective). Hypoglycaemia affected quality of life (on a scale of 0-10 for fear of hypoglycaemia: 60% in T1D and 37.6% in T2D scored 5 to 10), daily life, occupational or academic performance (2.1% with T1D and 3.2% with T2D did not attend to their work after hypoglycaemia), and induced an increased use of health resources (T1D: 66.1% increased glucose monitoring, 60.5% food intake, 51% consultations, 3.5% hospital admissions; 60.5% reduced insulin and 20.9% exercises; T2D increased 46.2% glucose monitoring, 43.8% consultations, 38.6% food intake, 24.1% reduced and 13.9% skipped the insulin dose and 14.3% suspended exercises). Greater numbers of episodes were recorded in the prospective period. An instrument to assess hypoglycaemia in clinical practice and strategies to reduce their risk are required. It is also important to ask about the episodes and reinforce the education of patients and close relatives on hypoglycaemia prevention and treatment. PMID- 29223935 TI - [Iron intake and HFE gen in male adults from Buenos Aires]. AB - Excess iron (Fe) intake in subjects carrying certain mutations in the HFE gene may result in Fe overload. To estimate risk of Fe overload, 166 male blood donors (19-65 years) from Buenos Aires city were investigated. Daily Fe intake (FeI), hem Fe intake, and Fe intake from SO4Fe enriched flours were estimated (SARA Computer Program and Food Composition Table, USDA). Serum ferritin and transferrin saturation were determined; criteria for Fe overload was serum ferritin > 300 ng/ml and transferrin saturation = 50%. HFE genotypes C282Y, H63D and S65C were analyzed by PCR-RFLP in blood samples. No participant presented FeI lower than the estimated average requirement (6 mg Fe/day) and 3.0% was over the upper level (45 mg Fe/day). Hem Fe and Fe from flour enrichment were 9.4% and 47.7% of daily Fe intake, respectively. A significant association was observed between the increase in serum ferritin (ng/ml) and the increase in FeI (p = 0.0472); 2.3% of the donors presented serum ferritin > 300 ng/ml and transferrin saturation = 50%. Genotypes associated with hereditary hemochromatosis (H63D, S65C and C282Y) were found in 29.3% of the donors. The percentage of transferrin saturation was higher in subjects carrying mutation than in wild type subjects (p = 0.0167). Although penetrance of hereditary hemochromatosis in the studied group was only 1.2%, an excessive Fe intake could enhance adverse effects in individuals unaware of any family history of Fe overload. PMID- 29223936 TI - [Relationship between crowding and community acquired skin and soft tissues infections]. AB - The association of the spread of community infections with poverty and overcrowding is well known. In our hospital, located in Jose C. Paz, we assist sporadic cases of post-cesarean infections caused by community acquired methicillin-resistant Staphylococcus aureus (CaMRSA). In a prospective study of families treated at our hospital, we investigated the relationship between a history of skin and soft tissue infections (SSTI) and extreme overcrowding defined as households with unsatisfied basic needs type 3 (NBI 3). A total of 264 households were included in the study; 109 (41.3%) had a history of SSTI and 59 (22.3%) were NBI 3. A total of 61.0% of the NBI 3 households and 35.6% of the non NBI 3 households reported SSTI (p = 0.00047). Using Google Maps, we georeferenced households and identified them on a NBI map adapted from the 2010 demographic census. In neighborhoods with NBI > 9.7%, 51.2% of the households had a history of SSTI. When NBI was < 9.7%, the percentage fell to 31.1% (p = 0.0019). These results are suggestive of an association of SSTI acquired in the community with overcrowding and poverty. The presence of CaMRSA in community SSTIs should be suspected. Vancomycin or clindamycin prophylaxis could be considered when cesarean deliveries are performed in women from areas with high NBI or with a history of SSTI. PMID- 29223937 TI - Echinococcosis and other parasitic infections in domestic dogs from urban areas of an Argentinean Patagonian city. AB - In urban populations of South America, dogs with free access to public areas represent a public health concern. The primary consequence of roaming dogs on human health is the transmission of infectious and parasitic diseases mainly through feces contamination. The main diseases likely to be transmitted are hydatidosis or echinococcosis, larva migrans, and giardiasis. In Argentina, hydatidosis ranks among the most prevalent zoonosis. Although it is considered a rural disease, the circulation of this parasite in urban areas has been documented. The aim of this work was to survey intestinal parasites in canine feces from two low-income urban neighborhoods of Bariloche city, Argentina, and to assess their seasonal variation. During 2016, 188 fresh dog feces were collected from sidewalks in 40 randomly selected blocks from the neighborhoods. Each sample was processed by Sheater flotation and tested for a coproantigen (CAg) by ELISA. The percentage of parasitized feces was 65.3% (95% CI: 55.9% 73.8%). Eleven parasite species were found, 3 protozoan, 3 cestodes, and 5 nematodes. Echinococcus sp. was present in 9.3% of the samples (95% CI: 4.7% 16.1%). Canine echinococcosis rates resulted similar to rates found previously in other neighborhoods of the city. The life cycle of Echinococcus sp. is sustained in urban areas by the entry of parasitized livestock, domiciliary slaughtering, and inadequate deposition of offal. The risk of Echinococcus sp. transmission to people in these neighborhoods is very high, due to high density of free-roaming dogs and high percentages of infected feces, similar to percentages observed in rural areas. PMID- 29223938 TI - [Prevalence of anti-Toxoplasma gondii antibodies in blood donors in Buenos Aires city, from 1967 to 2017]. AB - A prevalence study of antibodies anti Toxoplasma gondii in voluntary blood donors who attended the hemotherapy service at the Hospital Aleman during the first four months of the years 1997, 2007 and 2017 was carried out and the results were compared to the study carried out in 1967. The sera where processed with the Sabin Feldman Dye Test. The global average seroprevalence in 1967 was 67.0% (CI95%, 64.4%-69.6%); in 1997, 35.0% (CI95%, 33.3%-38.3%); in 2007, 31.9% (CI95%, 29.6%-34.2%) and in 2017, 21.2% (CI95%, 19.0%-23.3%). In the fifty years covered by the study the decline in prevalence was 45.8%, which represents an average annual decline of 0.9%.The decline was statistically significant between 1967 and 1997, and between 2007 and 2017. The four studies demonstrate that infection prevalence increased depending on age. The infection rate for 1967 was 1.0% per year and declined in the next studies to 0.8% in 1997, 0.8% in 2007, and 0.5% in 2017. Donors from the last study responded to a survey that showed a statistically significant correlation between seroprevalence of Toxoplasma gondii antibodies and lack of tap water, unfinished secondary studies or residence in the western or southern part of the Buenos Aires metropolitan area. No significant association was found with having a cat as a pet, the consumption of undercooked meat or the practice of gardening. PMID- 29223939 TI - [Papillary fibroelastoma: retrospective analysis. Clinical presentation and surgical results]. AB - Papillary ibroelastomas are small benign intracardiac tumors known for their embolic potential. Since the introduction of echocardiography with improved resolution and transesophageal imaging techniques, they are being increasingly detected in clinical practice. In recent series, papillary fibroelastoma is considered the most frequent benign tumor of the heart. Our objective was to analyze characteristics and midterm surgical outcome of histologically-confirmed cases of papillary fibroelastoma. We conducted a retrospective study on patients with cardiac tumors submitted to surgical excision between June 1992 and February 2017. Out of 108 patients, 18 had papillary fibroelastomas. Their mean age was 58 years (22-77); 10 were men. The most frequent localizations were the aortic valve (7) and the mitral valve (5). None had significant valvular dysfunction. By transesophageal echocardiography, the tumor size (larger diameter) was 13.33 +/- 5.55 mm (6.6-28.0). Two patients, both with tumor in the aortic valve, had suffered a stroke; other two had dyspnoea and atrial flutter, respectively. The remaining 14 patients were asymptomatic and their tumors were incidental findings. In 15 patients the valve was preserved. There was neither surgical mortality nor recurrence after 2.6 years of follow-up. In conclusion, most papillary fibroelastomas can be surgically removed with valve preservation and favorable clinical outcome. However, until the results of randomized trials support the decision, an aggressive surgical approach in asymptomatic patients needs to be defined in the context of surgical expertise. PMID- 29223940 TI - [When to consult the institutional bioethics committee? The deliberative method for resolving possible dilemmas]. AB - In healthcare, an ethical concern that arises during the decision making process is considered to be a bioethical dilemma. It is often the case that in the absence of proper deliberation, the problem is transferred to a bioethics committee, not even representing precisely a dilemma. Bioethics emerged as a discipline in the mid-20th century. It is defined as a support to decision-making in ethical dilemmas centered on two aspects: ethics of clinical investigation, focused on protecting the rights of research subjects, and bioethics in medical practice, of an advisory nature. To recognize the difference among difficult or complex clinical circumstances and ethical dilemmas could allow knowing when it is necessary to request for advice of a committee. It is not so much a question of deciding what is right or wrong, but which is the most advisable solution to a problem. We review the history of Bioethics Committees in Argentina that are facing today the challenge of promoting social responsibility and opening deliberations to community and health professionals. In the 20th century two historical moments are recognized: a pioneering and slow first period, and a second one of legal regulatory framework. Considering deliberation as a method of ethics, this article proposes a case analysis procedure and the deliberative method to elucidate dilemmas, with or without the help of a Committee. PMID- 29223941 TI - [Medical futility and family obstinacy in intensive therapy. When to stop and when to keep going?] AB - There have been several recent publications related to therapeutic obstinacy and futility in the Intensive Care Unit. However, little has been published about "the family obstinacy" in persisting with invasive measures in seriously ill patients, despite the appropriate information provided to them about the patient's poor short-term prognosis. On certain occasions, these critical patients are unable to make decisions on the proposed treatments and, unfortunately, many of them have not previously indicated their preferences in terms of limits to invasive measures (advanced directives). Thus, the patient's relatives are the ones who finally assume this arduous task and, in several occasions, they make decisions that do not correspond with the patient's actual wishes. Palliative medicine is of invaluable help in the difficult goal of improving communication among doctors, patients and patients relatives. Limits to intervention can be difficult and vague, generating multiple problems in the decision-making process. On certain occasions and despite adequate information provided by therapists and palliative care doctors, patients' relatives do not accept professional directives indicating to stop invasive interventions. Understanding futility justification may be relevant to the appropriate resolution of these disputes. In this article, we intend to discuss the subject "futility in Intensive Care Unit" and how to face the seldom addressed "family obstinacy" issue in potentially unrecoverable situations, despite adequate medical information. PMID- 29223942 TI - [Rho GTPases as molecular targets in cancer. Strategies and therapeutic opportunities]. AB - Rho GTPases are molecular switches that control the different cellular processes. Deregulation of these proteins is associated to transformation and malignant progression in several cancer types. Given the evidence available of the role of Rho GTPases in cancer it is suggested that these proteins can serve as potential therapeutic targets. This review focuses on the strategies used to develop Rho GTPases modulators and their potential use in therapeutic settings. PMID- 29223943 TI - [Pulmonary thromboembolism and aortic dissection: an infrequent presentation]. PMID- 29223944 TI - [Pancreatic arteriovenous malformation as cause of acute pancreatitis treated by endovascular access]. AB - Arteriovenous malformation in the pancreas is a rare anatomic abnormality that may produce acute pancreatitis. The diagnosis was suspected by computed tomography with intravenous contrast and by magnetic resonance imaging and it was confirmed by arteriography of the celiac trunk and superior mesenteric artery. The treatment received was endovascular, although the other valid option for the treatment of this disease is the surgical resection. The objective of this communication is to present a case of acute pancreatitis due to arteriovenous malformation treated by endovascular approach. PMID- 29223945 TI - [Heart transplantation in an HIV-infected patient]. AB - Because of its own unfavourable evolution, HIV infection was until recently considered a contraindication for organ transplantation. The introduction of highly active antiretroviral therapy prolonged the life expectancy of these patients and allowed the manifestation of disorders directly or indirectly related to HIV infection, mainly liver, kidney and cardiovascular diseases. We present a case of cardiac transplantation due to dilated cardiomyopathy that was performed in a patient with a recently detected HIV infection. At 24 month follow up, the patient is in very good health status, his CD4 are increasing and the viral load is undetectable. He did not present transplant rejection or any other complication. To our knowledge, there is no previous publication on heart transplantation in patients with HIV in South America. In view of the successful outcome of our case and of the few cases reported in the international literature, we consider that heart transplantation is a therapeutic option in correctly selected HIV patients. PMID- 29223946 TI - [Quality of the exo-endocervical sampling in the prevention of uterine cervix cancer]. AB - Cervical and vaginal cytology, Papanicolaou test (PAP), is the most effective test for screening of preneoplastic lesions, and cervical cancer prevention. Its sensitivity goes from 50 to 98%, according to different statistics, and this variation is related to the sampling procedure. A satisfactory smear should be taken from the transformation zone, the junction between endocervix and exocervix. According to Bethesda, metaplastic and/or endocervical cells should be observed under the microscope. The traditional PAP smear includes an exo endocervical sampling using the Ayre spatula; however, only near 50% of the smears are representative of the transformation zone. In this case report, we present the case of a 40-year-old woman who had negative cytology in five consecutive annual PAP smears, none of which showed metaplastic or endocervical cells. A new sample evidenced a carcinoma in situ (HSIL: high-grade squamous intraepithelial lesion). We emphasize the importance of performing a correct exo endocervical sampling to allow prompt detection of all premalignant lesions and to prevent cervical cancer, which still persists with high mortality worldwide. PMID- 29223947 TI - [Trigeminy of ventricular bigeminy caused by reentrant mechanism: reentry of reentry]. AB - The process that follows an acute myocardial infarction generates an appropriate substrate for the formation of reentry circuits, considered to be the most frequent mechanism of ventricular extrasystoles and tachyarrhythmias. We present the case of a patient with an acute myocardial infarction unusually concurring with ventricular trigeminy coupled to ventricular bigeminated extrasystoles giving rise to a trigeminy sequence over the bigeminy, which indicates the existence of two reentry circuits (reentry of reentry) that trigger ventricular flutter. PMID- 29223948 TI - [Hypersensitivity pneumonitis. A series of nine cases with surgical lung biopsy]. AB - In a series of nine patients with histopathological diagnosis of hypersensitivity pneumonitis, we retrospectively evaluated clinical data, exposure related factors, pulmonary function tests and chest computed tomography scans. A restrictive abnormality with reduction of diffusion capacity for carbon monoxide was mainly found. Chest scans showed fibrotic patterns in most cases; ground glass attenuation areas with mosaic pattern and consolidation in the rest. Exposure to avian antigens, cereal grains and air conditioners contaminated with fungi yeasts and bacteria, were suspected from clinical data in two-thirds of the cases. Since there are no unique features that allow differentiation from other interstitial lung diseases, a high clinical suspicion is required and a careful search of environmental exposure to possible antigens is needed that, together with clinical, radiological and pathological data, may lead to diagnosis. PMID- 29223949 TI - [Will the CRISPR / CAS9 system change the genome of humanity?] PMID- 29223950 TI - [Nobel Prize in Physiology or Medicine 2017. Our complex inner rhythms]. PMID- 29223951 TI - Heart rate variability in bipolar disorder and borderline personality disorder: a clinical review. AB - Heart rate variability (HRV) in psychiatric disorders has become an increasing area of interest in recent years following technological advances that enable non invasive monitoring of autonomic nervous system regulation. However, the clinical interpretation of HRV features remain widely debated or unknown. Standardisation within studies of HRV in psychiatric disorders is poor, making it difficult to reproduce or build on previous work. Recently, a Guidelines for Reporting Articles on Psychiatry and Heart rate variability checklist has been proposed to address this issue. Here we assess studies of HRV in bipolar disorder and borderline personality disorder against this checklist and discuss the implication for ongoing research in this area. PMID- 29223952 TI - Isolated myeloperoxidase expression in pediatric B/myeloid mixed phenotype acute leukemia is linked with better survival. PMID- 29223953 TI - Potential role for acupuncture in the treatment of food addiction and obesity. AB - Addressing the global obesity epidemic requires innovative approaches that are also acceptable to affected individuals. There is growing evidence suggesting that food addiction, one contributor to obesity, bears many similarities to drug and alcohol addiction, presenting a potential role for addiction-focused acupuncture as a novel treatment modality. In this perspective article, we begin by briefly reviewing the evidence linking food and drug/alcohol addiction. We then describe the development of an acupuncture-based protocol for treating opioid addiction in Hong Kong in the 1970s and discuss the evidence base for acupuncture's efficacy in treating a range of substance use disorders. Next, we describe acupuncture's proposed mechanism of action in attenuating withdrawal and promoting abstinence. Finally, we note the dearth of studies specifically examining the effectiveness of acupuncture in treating food addiction and suggest that more research should focus in this area as part of the effort to combat rising rates of obesity worldwide. PMID- 29223955 TI - High-Density Lipoprotein Cholesterol Concentration and Acute Kidney Injury After Cardiac Surgery. AB - BACKGROUND: Acute kidney injury (AKI) after cardiac surgery is associated with increased short- and long-term mortality. Inflammation, oxidative stress, and endothelial dysfunction and damage play important roles in the development of AKI. High-density lipoproteins (HDLs) have anti-inflammatory and antioxidant properties and improve endothelial function and repair. Statins enhance HDL's anti-inflammatory and antioxidant capacities. We hypothesized that a higher preoperative HDL cholesterol concentration is associated with decreased AKI after cardiac surgery and that perioperative statin exposure potentiates this association. METHODS AND RESULTS: We tested our hypothesis in 391 subjects from a randomized clinical trial of perioperative atorvastatin to reduce AKI after cardiac surgery. A 2-component latent variable mixture model was used to assess the association between preoperative HDL cholesterol concentration and postoperative change in serum creatinine, adjusted for known AKI risk factors and suspected confounders. Interaction terms were used to examine the effects of preoperative statin use, preoperative statin dose, and perioperative atorvastatin treatment on the association between preoperative HDL and AKI. A higher preoperative HDL cholesterol concentration was independently associated with a decreased postoperative serum creatinine change (P=0.02). The association between a high HDL concentration and an attenuated increase in serum creatinine was strongest in long-term statin-using patients (P=0.008) and was further enhanced with perioperative atorvastatin treatment (P=0.004) and increasing long-term statin dose (P=0.003). CONCLUSIONS: A higher preoperative HDL cholesterol concentration was associated with decreased AKI after cardiac surgery. Preoperative and perioperative statin treatment enhanced this association, demonstrating that pharmacological potentiation is possible during the perioperative period. CLINICAL TRIAL REGISTRATION: URL: http://www.clinicaltrials.gov. Unique Identifier: NCT00791648. PMID- 29223954 TI - Effect of PCSK9 Inhibitors on Clinical Outcomes in Patients With Hypercholesterolemia: A Meta-Analysis of 35 Randomized Controlled Trials. AB - BACKGROUND: We sought to examine the efficacy and safety of 2 PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitors: alirocumab and evolocumab. METHODS AND RESULTS: We performed a systematic review and meta-analysis of randomized controlled trials comparing treatment with and without PCSK9 inhibitors; 35 randomized controlled trials comprising 45 539 patients (mean follow-up: 85.5 weeks) were included. Mean age was 61.0+/-2.8 years, and mean baseline low-density lipoprotein cholesterol was 106+/-22 mg/dL. Compared with no PCSK9 inhibitor therapy, treatment with a PCSK9 inhibitor was associated with a lower rate of myocardial infarction (2.3% versus 3.6%; odds ratio [OR]: 0.72 [95% confidence interval (CI), 0.64-0.81]; P<0.001), stroke (1.0% versus 1.4%; OR: 0.80 [95% CI, 0.67-0.96]; P=0.02), and coronary revascularization (4.2% versus 5.8%; OR: 0.78 [95% CI, 0.71-0.86]; P<0.001). Overall, no significant change was observed in all-cause mortality (OR: 0.71 [95% CI, 0.47-1.09]; P=0.12) or cardiovascular mortality (OR: 1.01 [95% CI, 0.85-1.19]; P=0.95). A significant association was observed between higher baseline low-density lipoprotein cholesterol and benefit in all-cause mortality (P=0.038). No significant change was observed in neurocognitive adverse events (OR: 1.12 [95% CI, 0.88-1.42]; P=0.37), myalgia (OR: 0.95 [95% CI, 0.75-1.20]; P=0.65), new onset or worsening of preexisting diabetes mellitus (OR: 1.05 [95% CI, 0.95-1.17]; P=0.32), and increase in levels of creatine kinase (OR: 0.84 [95% CI, 0.70-1.01]; P=0.06) or alanine or aspartate aminotransferase (OR: 0.96 [95% CI, 0.82-1.12]; P=0.61). CONCLUSIONS: Treatment with a PCSK9 inhibitor is well tolerated and improves cardiovascular outcomes. Although no overall benefit was noted in all-cause or cardiovascular mortality, such benefit may be achievable in patients with higher baseline low-density lipoprotein cholesterol. PMID- 29223956 TI - Residual Risk of Atherosclerotic Cardiovascular Events in Relation to Reductions in Very-Low-Density Lipoproteins. AB - BACKGROUND: It is uncertain whether pharmacological reductions in very-low density lipoproteins (VLDLs), and their component triglyceride and cholesterol could reduce residual risk of atherosclerotic cardiovascular disease (ASCVD) events among individuals in whom low-density lipoprotein cholesterol (LDL-C) has been adequately lowered. We examined whether individuals with greater on-statin reductions in VLDL-related measures-beyond reductions in LDL-C-were at further reduced risk of ASCVD. METHODS AND RESULTS: In 9423 participants in the JUPITER (Justification for the Use of Statins in Prevention) trial (NCT00239681), at baseline and on statin we measured standard lipids, 400-MHz proton nuclear magnetic resonance spectroscopy-measured VLDL particle subclasses (small, medium, and large VLDL lipoprotein particle concentration), and total VLDL cholesterol mass. Compared with individuals allocated to placebo, we examined risk of incident ASCVD (N=211) among statin-allocated participants who achieved minimal (=median) marker reductions using adjusted Cox models. On statin changes in VLDL-related markers were only modestly correlated (Spearman r<=0.29) with change in LDL-C. On-statin median LDL-C was 54 mg/dL and triglyceride was 101 mg/dL. Dose-response reductions in ASCVD risk were observed for greater reductions in LDL-C, VLDL cholesterol mass, and small VLDL lipoprotein particle concentration; the latter 2 remained significant after incremental adjustment for change in LDL-C (P<=0.006). Conversely, there was no further risk reduction with greater reductions in triglycerides or large/medium VLDL lipoprotein particle concentration. CONCLUSIONS: Pharmacological reduction in small, cholesterol-enriched, triglyceride-depleted VLDL was associated with reduction in ASCVD risk. Chemically measured triglycerides may not sufficiently capture risk related to VLDL pathways. These findings also support broader profiling of lipid and lipoprotein changes in response to statins as prognostic markers of individual benefit, supporting more precision-medicine, individualized approaches to cardiovascular risk reduction. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov. Unique identifier: NCT00239681. PMID- 29223957 TI - Prognostic Utility of Morning Blood Pressure Surge for 20-Year All-Cause and Cardiovascular Mortalities: Results of a Community-Based Study. AB - BACKGROUND: Morning blood pressure (BP) surge (MS), defined by the MS amplitude, is an independent prognostic factor of cardiovascular outcomes in some, but not all, populations. METHOD AND RESULTS: We enrolled 2020 participants (1029 men; aged 30-79 years) with 24-hour ambulatory BP data. During a median 19.7-year follow-up, 607 deaths (182 by cardiovascular causes) were confirmed from the National Death Registry. The amplitude of sleep-trough MS (STMS) was derived from the difference between morning systolic BP (SBP) and lowest nighttime SBP. The rate of STMS was derived as the slope of linear regression of sequential SBP measures on time intervals within the STMS period. Thresholds for high STMS amplitude and rate were determined by the 95th percentiles (43.7 mm Hg and 11.3 mm Hg/h, respectively). Multivariable Cox models, adjusting for age, sex, body mass index, smoking, alcohol, low-density lipoprotein cholesterol, 24-hour SBP, night:day SBP ratio, and antihypertensive treatment, revealed that a high STMS rate (hazard ratio, 1.666; 95% confidence interval, 1.185-2.341), but not STMS amplitude (hazard ratio, 1.245; 95% confidence interval, 0.984-1.843), was significantly associated with a greater mortality risk. Similarly, STMS rate (hazard ratio, 2.608; 95% confidence interval, 1.554-4.375), but not STMS amplitude, was significantly associated with the risk of cardiovascular mortality (hazard ratio, 0.966; 95% confidence interval, 0.535-1.747). Moreover, the prognostic values of STMS rate were comparable in subjects with or without morning and nocturnal hypertension (P>0.05 for interaction for all). In simulation studies, STMS rate was less susceptible to measurement errors of the sleep-trough SBP than STMS amplitude. CONCLUSIONS: STMS rate could independently help identify subjects with an increased cardiovascular risk. PMID- 29223958 TI - Point-of-care tests for STIs: the way forward. PMID- 29223959 TI - Performance and operational characteristics of point-of-care tests for the diagnosis of urogenital gonococcal infections. AB - BACKGROUND: In 2012, there was an estimated 78 million new cases of gonorrhoea globally. Untreated infection may lead to reproductive and neonatal morbidity and facilitate HIV transmission. Diagnosis and treatment are a priority for control and prevention, yet use of point-of-care tests (POCTs) for Neisseria gonorrhoeae (NG) is limited. OBJECTIVES: To review the performance and operational characteristics of NG POCTs for diagnosis of urogenital gonorrhoea. METHODS: We compiled and synthesised findings from two separate systematic reviews which included evaluations published until August 2015. RESULTS: Six tests were included: five were immunochromatographic tests (ICTs) or optical immunoassay (OIAs) based on antigen detection; with 5-7 steps and results in 25-40 min, and one (GeneXpert CT/NG) was a 'near-patient test' based on nucleic acid amplification technique (NAAT); with three steps, electricity required, and results in 90 min. When compared with laboratory-based NAATs as the reference tests, sensitivities of ICT and OIA-based POCTs ranged from 12.5% to 70% when cervical/vaginal swabs were tested. Specificities ranged from 89% to 99.8%. The near-patient NAAT had sensitivities of >95% and specificities of >99.8% consistently across all specimen types (urine, cervical and vaginal swabs). CONCLUSIONS: Based on a limited number of evaluations, antigen detection POCTs for NG lacked sufficient sensitivity to be used for screening. A near-patient NAAT has acceptable performance, only involved a few steps, but needs electricity, a temperature-controlled environment and has a 90 min run time. To achieve wider scale up of NG POCTs, we need strong evidence of cost effectiveness, which should inform guidelines and ultimately increase test development, demand and reduce costs. PMID- 29223960 TI - Systematic reviews of point-of-care tests for the diagnosis of urogenital Chlamydia trachomatis infections. AB - BACKGROUND: WHO estimates that 131 million new cases of urogenital Chlamydia trachomatis (CT) infections occur globally every year. Most infections are asymptomatic. Untreated infection in women can lead to severe complications. Screening and treatment of at-risk populations is a priority for prevention and control. OBJECTIVES: To summarise systematic reviews of the performance characteristics of commercially available point-of-care tests (POCT) for screening and diagnosis of urogenital CT infection. METHODS: Two separate systematic reviews covering the periods 2004-2013 and 2010-2015 were conducted on rapid CT POCTs. Studies were included if tests were evaluated against a valid reference standard. RESULTS: In the first review, 635 articles were identified, of which 11 were included. Nine studies evaluated the performance of eight antigen detection rapid POCTs on 10 280 patients and two studies evaluated a near patient nucleic acid amplification test (NAAT) on 3518 patients. Pooled sensitivity of antigen detection tests was 53%, 37% and 63% for cervical swabs, vaginal swabs and male urine, and specificity was 99%, 97% and 98%, respectively. The pooled sensitivity and specificity of the near-patient NAAT for all specimen types were >98% and 99.4%, respectively. The second review identified two additional studies on four antigen detection POCTs with sensitivities and specificities of 22.7%-37.7% and 99.4%-100%, respectively. A new two-step 15 min rapid POCT using fluorescent nanoparticles showed performance comparable to that of near-patient NAATs. CONCLUSIONS: The systematic reviews showed that antigen detection POCTs for CT, although easy to use, lacked sufficient sensitivity to be recommended as a screening test. A near-patient NAAT shows acceptable performance as a screening or diagnostic test but requires electricity, takes 90 min and is costly. More affordable POCTs are in development. PMID- 29223961 TI - A systematic review and meta-analysis of studies evaluating the performance of point-of-care tests for human papillomavirus screening. AB - BACKGROUND: High-risk human papillomavirus (HPV) is a necessary cause of high grade cervical intraepithelial neoplasia (grade 2 or higher, CIN2+). Simplified and rapid HPV DNA assays designed for use in resource-limited settings have recently become available. METHODS: We performed a systematic review and meta analysis by searching Medline, Embase, Global Health and CINAHL databases for studies from 1 January 2004 to 25 February 2017 that reported the performance of careHPV or OncoE6 for the detection of histological CIN2+ in cervical cancer screening. We used bivariate models to estimate pooled sensitivity and specificity for CIN2+ and CIN3+. RESULTS: A total of 29 657 women were included from seven studies evaluating the performance of careHPV for the detection of CIN2+ and four studies among 27 845 women for the detection of CIN3+. The pooled prevalence for CIN2+ and CIN3+ was 2.3% and 1.1%, respectively. careHPV had sensitivity and specificity of 88.1% (95% CI 81.4 to 92.7) and 83.7% (95% CI 74.9 to 89.8), respectively, for CIN2+ and 90.3% (95% CI 83.4 to 94.5) and 85.3% (95% CI 73.1 to 92.5), respectively, for CIN3+, using clinician-collected cervical specimen. The corresponding pooled estimates using self-collected vaginal swabs were 73.6% (95% CI 64.9 to 80.8) and 88.0% (95% CI 79.1 to 93.5) for CIN2+ and 75.2% (95% CI 66.8 to 82.0) and 90.6% (95% CI 83.4 to 94.9) for CIN3+. Two studies using OncoE6 reported sensitivity and specificity ranging from 31.3% to 42.4% and 99.1%-99.4% for CIN2+, and 53.5% and 98.9% for CIN3+ for one study. CONCLUSION: CareHPV has good sensitivity and specificity for the detection of CIN2+ and CIN3+, but sensitivity was lower using self-collected vaginal samples. The specificity is lower in high HPV prevalence populations such as women living with HIV. OncoE6 assay warrants further evaluation. PMID- 29223962 TI - Evaluation of seven rapid tests for syphilis available in Brazil using defibrinated plasma panels. AB - OBJECTIVES: In 2012, the WHO estimated that 6 million new cases of syphilis per year would occur worldwide, including 937 000 in Brazil. Early diagnosis and treatment of syphilis are essential to reduce morbidity and prevent transmission. The availability of rapid tests (RTs) for this diagnosis means that testing can be performed more quickly, as a point-of-care test, even in non-laboratory environments and requires only simple technical training to antibodies detection. The objective of this study was to evaluate the performance and operational aspects of seven commercially available RTs for syphilis in Brazil. METHODS: Seven rapid treponemal tests were evaluated for sensitivity, specificity, accuracy and Kappa value, according to a panel composed of 493 members. The operational performance of the assay was also determined for these tests. RESULTS: The seven RTs showed sensitivity ranging from 94.5% to 100% when compared with the reference tests and specificity of between 91.5% and 100%. All the RTs evaluated presented good operational performance, and only one failed to present the minimum specificity as defined by Brazil's Ministry of Health. CONCLUSION: All the tests presented good operational performance, and the professionals who performed them considered them to be easy to use and interpret. This evaluation is important for making informed choices of tests to be used in the Brazilian Unified Health System. PMID- 29223963 TI - Field evaluation of two point-of-care tests for syphilis among men who have sex with men, Verona, Italy. AB - OBJECTIVES: The incidence of HIV and syphilis among men who have sex with men (MSM) in Europe has recently increased. Rapid point-of-care tests (POCTs) for syphilis can improve access to screening. The purpose of this study was to evaluate the performance of two syphilis POCTs compared with laboratory tests among MSM. METHODS: The study was undertaken in Verona, Italy. Asymptomatic MSM, potentially exposed to syphilis, were enrolled prospectively. The POCTs evaluated were SD Bioline Syphilis 3.0 and Chembio DPP Syphilis Screen & Confirm Assay on both serum and fingerprick blood. The results of the POCTs were read by the naked eye by two independent readers and their concordance assessed. RESULTS: A total of 289 MSM were enrolled in the study. Based on laboratory tests, 35 MSM (12.1%) were TPPA-positive alone and 16 (5.5%) were both Treponema pallidum particle agglutination test (TPPA) and rapid plasma reagin (RPR)-positive. The specificities of both POCTs were above 99% on both serum and fingerstick blood specimens, while sensitivities varied considerably. The sensitivity of the SD Bioline test was lower on fingerprick blood (51.4% and 54.3%, readers 1 and 2, respectively) compared with that on serum (80.0% and 82.9%). In contrast, the Chembio test exhibited similar sensitivity values for serum and fingerprick samples (57.7% and 64.0% on serum vs 65.4% and 69.2% on fingerprick for the treponemal component; 63.6% on both samples by both readers for the non treponemal component). The positive predictive value ranged between 100% and 93.9% for the treponemal component of both syphilis POCTs, but was lower (76.3% 100%)%) for the non-treponemal component of the Chembio POCT. The negative predictive value surpassed 90% for both tests on both samples. The agreement between readers was very high (>99%). CONCLUSION: The diagnostic performance of the syphilis POCTs was lower than expected; however, considering the prevalence of syphilis among MSM, POCTs should be recommended to improve syphilis detection among MSM. PMID- 29223964 TI - Assessing stakeholder perceptions of the acceptability and feasibility of national scale-up for a dual HIV/syphilis rapid diagnostic test in Malawi. AB - OBJECTIVES: The WHO recommends pregnant women receive both HIV and syphilis testing at their first antenatal care visit, as untreated maternal infections can lead to severe, adverse pregnancy outcomes. One strategy for increasing testing for both HIV and syphilis is the use of point-of-care (rapid) diagnostic tests that are simple, proven effective and inexpensive. In Malawi, pregnant women routinely receive HIV testing, but only 10% are tested for syphilis at their first antenatal care visit. This evaluation explores stakeholder perceptions of a novel, dual HIV/syphilis rapid diagnostic test and potential barriers to national scale-up of the dual test in Malawi. METHODS: During June and July 2015, we conducted 15 semistructured interviews with 25 healthcare workers, laboratorians, Ministry of Health leaders and partner agency representatives working in prevention of mother-to-child transmission in Malawi. We asked stakeholders about the importance of a dual rapid diagnostic test, concerns using and procuring the dual test and recommendations for national expansion. RESULTS: Stakeholders viewed the test favourably, citing the importance of a dual rapid test in preventing missed opportunities for syphilis diagnosis and treatment, improving infant outcomes and increasing syphilis testing coverage. Primary technical concerns were about the additional procedural steps needed to perform the test, the possibility that testers may not adhere to required waiting times before interpreting results and difficulty reading and interpreting test results. Stakeholders thought national scale-up would require demonstration of cost savings, uniform coordination, revisions to testing guidelines and algorithms, training of testers and a reliable supply chain. CONCLUSIONS: Stakeholders largely support implementation of a dual HIV/syphilis rapid diagnostic test as a feasible alternative to current antenatal testing. Scale-up will require addressing perceived barriers; negotiating changes to existing algorithms and guidelines; and Ministry of Health approval and funding to support training of staff and procurement of supplies. PMID- 29223965 TI - Advancing prevention of sexually transmitted infections through point-of-care testing: target product profiles and landscape analysis. AB - OBJECTIVES: Advancing the field of point-of-care testing (POCT) for STIs can rapidly and substantially improve STI control and prevention by providing targeted, essential STI services (case detection and screening). POCT enables definitive diagnosis and appropriate treatment in a single visit and home and community-based testing. METHODS: Since 2014, the WHO Department of Reproductive Health and Research, in collaboration with technical partners, has completed four landscape analyses of promising diagnostics for use at or near the point of patient care to detect syphilis, Neisseria gonorrhoeae, Chlamydia trachomatis, Trichomonas vaginalis and the human papillomavirus. The analyses comprised a literature review and interviews. Two International Technical Consultations on STI POCTs (2014 and 2015) resulted in the development of target product profiles (TPP). Experts in STI microbiology, laboratory diagnostics, clinical management, public health and epidemiology participated in the consultations with representation from all WHO regions. RESULTS: The landscape analysis identified diagnostic tests that are either available on the market, to be released in the near future or in the pipeline. The TPPs specify 28 analytical and operational characteristics of POCTs for use in different populations for surveillance, screening and case management. None of the tests that were identified in the landscape analysis met all of the targets of the TPPs. CONCLUSION: More efforts of the global health community are needed to accelerate access to affordable quality-assured STI POCTs, particularly in low- and middle-income countries, by supporting the development of new diagnostic platforms as well as strengthening the validation and implementation of existing diagnostics according to internationally endorsed standards and the best available evidence. PMID- 29223966 TI - Advancing point of care diagnostics for the control and prevention of STIs: the way forward. AB - WHO recognises the global impact of sexually transmitted infections (STIs) on global public health and individual sexual and reproductive health and well being. As a component of the WHO Global Health Sector Strategy for the control and prevention of STIs, there has been a growing recognition of the importance of integrating point-of-care tests (POCTs) into overall strategic planning. The process of integrating STI POCTs, in addition to providing a definitive diagnosis and appropriate treatment in a single visit, also includes innovative delivery options, such as on-site delivery, community-based testing (including screening), as well as self-testing at home after purchase of a test online or over-the counter. WHO organised two technical consultations in May 2014 and July 2015. This article summarises the discussions of the meeting participants on advancing the use of POCTs to control and prevent STIs. The following priorities were identified: the need for pathogens' target discovery; encouragement of multiplexing, miniaturisation, simplification and connectivity; promotion of standardisation of evaluation of new diagnostic platforms across all stages of the evaluation pipeline; the need for an investment case, modelling and scenarios to ensure buy-in among key stakeholders, including developers and the private sector; the need for norms and standards, including guidelines, to support introduction of STI POCTs in programmes; anticipating potential tensions between different parties at the implementation level; and leveraging on the global initiative, Sustainable Development Goals (SDGs)/global health sector STI strategy, to sustain investment in STI POCT programmes. There is a rich pipeline of diagnostic products, but some have stalled in development. An approach to accelerate the evaluation of new diagnostics is to set up a competent network of evaluation sites ahead of time, harmonise regulatory approval processes with development of models to estimate cost-effectiveness, informed by better STI data. This should result in accelerating policy development. Although it may be some time before good POCTs can be widely implemented in low resource settings, it is important to be a catalyst for continued development and use of these essential tools as an integral part of both the WHO Global Health Sector Strategy and the agenda for 2030. PMID- 29223967 TI - Questionnaire-based algorithm for assessing occupational noise exposure of construction workers. AB - OBJECTIVES: Occupational noise exposure is a major cause of hearing loss worldwide. In order to inform preventative strategies, we need to further understand at a population level which workers are most at risk. METHODS: We have developed a new questionnaire-based algorithm that evaluates an individual worker's noise exposure. The questionnaire and supporting algorithms are embedded into the existing software platform, OccIDEAS. Based on the tasks performed by a worker during their most recent working shift and using a library of task-based noise exposure levels, OccIDEAS estimates whether a worker has exceeded the full shift workplace noise exposure limit (LAeq,8h>=85 dBA). We evaluated the validity of the system in a sample of 100 construction workers. Each worker wore a dosimeter for a full working shift and was then interviewed using the OccIDEAS software. RESULTS: The area under the receiver operating characteristic curve was 0.81 (95% CI 0.72 to 0.90) indicating that the ability of OccIDEAS to identify construction workers with an LAeq,8h>=85 dBA was excellent. CONCLUSION: This validated noise questionnaire may be useful in epidemiological studies and for workplace health and safety applications. PMID- 29223968 TI - Do regulations protect workers from occupational exposures to carcinogenic, mutagenic and reprotoxic (CMR) agents in France? AB - OBJECTIVE: This article explores the impact of regulations on the implementation of collective protections in France to occupational exposure to carcinogenic, mutagenic and reprotoxic (CMR) agents. METHODS: Individual data from the French national cross-sectional survey of occupational hazards conducted in 2010 were analysed. We investigated whether stricter regulations and longer exposures were associated with higher level of collective protection using multivariate logistic regressions. RESULTS: General ventilation, for which effect is limited as collective protection for CMR products, was present in 19% of situations involving CMR agents while isolation chambers, the most effective form of protection, were only very rarely implemented. Multilevel logistic regressions show that exposure situations to products classified as category 1 or 2 by the European Union do not have a higher probability of benefiting from a collective protection measures. Exposures to products with a Binding Occupational Exposure Limit Value selectively benefited from a better level of protection. Exposures to agents entered on the International Agency for Research on Cancer (IARC) list of proven or probable carcinogens benefited more from effective collective protections than products suspected to be carcinogens but not yet classified by IARC. CONCLUSIONS: These results suggest that the dissemination of evaluations of carcinogens by the IARC translate into improved protective measures even though the IARC classification has no mandatory impact on regulations. PMID- 29223970 TI - Sea Changes. PMID- 29223969 TI - It is unclear whether specialist palliative care teleconsultation leads to an improvement in patient symptom scores. PMID- 29223971 TI - Keeping Pace with the Red Queen: Identifying the Genetic Basis of Susceptibility to Infectious Disease. AB - Genome-wide association studies are widely used to identify "disease genes" conferring resistance/susceptibility to infectious diseases. Using a combination of mathematical models and simulations, we demonstrate that genetic interactions between hosts and parasites [genotype-by-genotype (G * G) interactions] can drastically affect the results of these association scans and hamper our ability to detect genetic variation in susceptibility. When hosts and parasites coevolve, these G * G interactions often make genome-wide association studies unrepeatable over time or across host populations. Reanalyzing previously published data on Daphnia magna susceptibility to infection by Pasteuria ramosa, we identify genomic regions consistent with G * G interactions. We conclude by outlining possible avenues for designing more powerful and more repeatable association studies. PMID- 29223972 TI - Intravaginal boric acid: is it an alternative therapeutic option for vaginal trichomoniasis? AB - OBJECTIVES: Trichomoniasis, caused by Trichomonas vaginalis (TV), is the most common curable sexually transmitted infection worldwide. Current guidance in the UK is to treat TV with a nitroimidazole antibiotic. The high prevalence of TV, high rate of antibiotic resistance and limited tolerability to nitroimidazoles suggest that alternative treatment regimens are needed. Intravaginal boric acid (BA) has been used safely for the treatment of candida vulvovaginitis and bacterial vaginosis, and in vitro studies suggest BA is active against TV. We review the evidence for the efficacy of BA in patients with TV. METHODS: MEDLINE, EMBASE, CINAHL, AMED, HMIC and BNI and Grey literature databases, The Cochrane Library, Trial Registers, conference abstracts and proceedings were searched. Inclusion criteria were women aged 16 years or over with microbiological confirmation of TV infection and using BA as treatment. There were no restrictions on language, publication date or study design. The in vitro evidence for BA activity against TV was also reviewed. RESULTS: No randomised controlled trials or case series were found. Four case reports demonstrated TV clearance with BA using a variety of dose regimens (dose 600 mg alternate nights to 600 mg two times per day; duration 1-5 months). In vitro studies suggest that BA has activity against TV which is independent of its effect on pH. DISCUSSION: Further evaluation of BA for the treatment of uncomplicated TV is required, but it may be useful when therapeutic options are limited. If shown to be safe and effective, intravaginal BA might provide a well-tolerated alternative anti-infective treatment which reduces community exposure to systemic antibiotics. PMID- 29223974 TI - Media use in children: American Academy of Pediatrics recommendations 2016. PMID- 29223973 TI - Chromosomal rearrangements in the 11p15 imprinted region: 17 new 11p15.5 duplications with associated phenotypes and putative functional consequences. AB - BACKGROUND: The 11p15 region contains two clusters of imprinted genes. Opposite genetic and epigenetic anomalies of this region result in two distinct growth disturbance syndromes: Beckwith-Wiedemann (BWS) and Silver-Russell syndromes (SRS). Cytogenetic rearrangements within this region represent less than 3% of SRS and BWS cases. Among these, 11p15 duplications were infrequently reported and interpretation of their pathogenic effects is complex. OBJECTIVES: To report cytogenetic and methylation analyses in a cohort of patients with SRS/BWS carrying 11p15 duplications and establish genotype/phenotype correlations. METHODS: From a cohort of patients with SRS/BWS with an abnormal methylation profile (using ASMM-RTQ-PCR), we used SNP-arrays to identify and map the 11p15 duplications. We report 19 new patients with SRS (n=9) and BWS (n=10) carrying de novo or familial 11p15 duplications, which completely or partially span either both telomeric and centromeric domains or only one domain. RESULTS: Large duplications involving one complete domain or both domains are associated with either SRS or BWS, depending on the parental origin of the duplication. Genotype phenotype correlation studies of partial duplications within the telomeric domain demonstrate the prominent role of IGF2, rather than H19, in the control of growth. Furthermore, it highlights the role of CDKN1C within the centromeric domain and suggests that the expected overexpression of KCNQ1OT1 from the paternal allele (in partial paternal duplications, excluding CDKN1C) does not affect the expression of CDKN1C. CONCLUSIONS: The phenotype associated with 11p15 duplications depends on the size, genetic content, parental inheritance and imprinting status. Identification of these rare duplications is crucial for genetic counselling. PMID- 29223975 TI - Auras and the risk of seizures with impaired consciousness following epilepsy surgery: implications for driving. AB - OBJECTIVE: To calculate the chance of a seizure in the next year (COSY) for seizures with impaired awareness in those experiencing auras only, those with no seizures and those with continuing seizures. Epilepsy surgery is an effective treatment for refractory focal epilepsy. Driving is an important factor affecting quality of life. In the UK, driving is not permitted if focal seizures with no impairment of awareness (auras, simple partial seizures) continue, if there is a prior history of seizures with impaired awareness, as will invariably be the case in those having epilepsy surgery. Current UK driving regulations allow driving if COSY is less than 20%. METHOD: We calculated COSY in 819 epilepsy surgery patients with up to 25 years follow-up. Each patient year was graded on the The International League against Epilepsy surgery outcome scale. RESULTS: Patients who were entirely seizure-free for 1, 2 and 3 years had COSY of 4.9%, 3.5% and 2.4% respectively. Patients with only auras within the last 1, 2 or 3 years had a COSY of 11.3%, 9.2% and 7.8% respectively. CONCLUSIONS: Individuals with auras only after epilepsy surgery had a higher COSY than those who were seizure-free. If a COSY of below 20% is regarded as an acceptable risk, it may be suggested that those with auras only in a given year be allowed to drive. The relative risk of these patients causing accidents is lower than population groups such as those aged <25 or >75 years, who are permitted to drive. PMID- 29223976 TI - Zinc Detoxification: A Functional Genomics and Transcriptomics Analysis in Drosophila melanogaster Cultured Cells. AB - Cells require some metals, such as zinc and manganese, but excess levels of these metals can be toxic. As a result, cells have evolved complex mechanisms for maintaining metal homeostasis and surviving metal intoxication. Here, we present the results of a large-scale functional genomic screen in Drosophila cultured cells for modifiers of zinc chloride toxicity, together with transcriptomics data for wild-type or genetically zinc-sensitized cells challenged with mild zinc chloride supplementation. Altogether, we identified 47 genes for which knockdown conferred sensitivity or resistance to toxic zinc or manganese chloride treatment, and >1800 putative zinc-responsive genes. Analysis of the 'omics data points to the relevance of ion transporters, glutathione (GSH)-related factors, and conserved disease-associated genes in zinc detoxification. Specific genes identified in the zinc screen include orthologs of human disease-associated genes CTNS, PTPRN (also known as IA-2), and ATP13A2 (also known as PARK9). We show that knockdown of red dog mine (rdog; CG11897), a candidate zinc detoxification gene encoding an ABCC-type transporter family protein related to yeast cadmium factor (YCF1), confers sensitivity to zinc intoxication in cultured cells, and that rdog is transcriptionally upregulated in response to zinc stress. As there are many links between the biology of zinc and other metals and human health, the 'omics data sets presented here provide a resource that will allow researchers to explore metal biology in the context of diverse health-relevant processes. PMID- 29223977 TI - Growth of Caenorhabditis elegans in Defined Media Is Dependent on Presence of Particulate Matter. AB - Caenorhabditis elegans are typically cultured in a monoxenic medium consisting of live bacteria. However, this introduces a secondary organism to experiments, and restricts the manipulation of the nutritional environment. Due to the intricate link between genes and environment, greater control and understanding of nutritional factors are required to push the C. elegans field into new areas. For decades, attempts to develop a chemically defined, axenic medium as an alternative for culturing C. elegans have been made. However, the mechanism by which the filter feeder C. elegans obtains nutrients from these liquid media is not known. Using a fluorescence-activated cell sorting based approach, we demonstrate growth in all past axenic C. elegans media to be dependent on the presence of previously unknown particles. This particle requirement of C. elegans led to development of liposome-based, nanoparticle culturing that allows full control of nutrients delivered to C. elegans. PMID- 29223979 TI - It's About Time! PMID- 29223980 TI - Behavioral Economics and the Future of Biosimilars. PMID- 29223981 TI - Champions Rising to the Challenge of Ensuring High-Quality Cancer Care. PMID- 29223978 TI - PRC2 Is Dispensable in Vivo for beta-Catenin-Mediated Repression of Chondrogenesis in the Mouse Embryonic Cranial Mesenchyme. AB - A hallmark of craniofacial development is the differentiation of multiple cell lineages in close proximity to one another. The mouse skull bones and overlying dermis are derived from the cranial mesenchyme (CM). Cell fate selection of the embryonic cranial bone and dermis in the CM requires Wnt/beta-catenin signaling, and loss of beta-catenin leads to an ectopic chondrogenic cell fate switch. The mechanism by which Wnt/beta-catenin activity suppresses the cartilage fate is unclear. Upon conditional deletion of beta-catenin in the CM, several key determinants of the cartilage differentiation program, including Sox9, become differentially expressed. Many of these differentially expressed genes are known targets of the Polycomb Repressive Complex 2 (PRC2). Thus, we hypothesized that PRC2 is required for Wnt/beta-catenin-mediated repression of chondrogenesis in the embryonic CM. We find that beta-catenin can physically interact with PRC2 components in the CM in vivo However, upon genetic deletion of Enhancer of Zeste homolog 2 (EZH2), the catalytic component of PRC2, chondrogenesis remains repressed and the bone and dermis cell fate is preserved in the CM. Furthermore, loss of beta-catenin does not alter either the H3K27me3 enrichment levels genome wide or on cartilage differentiation determinants, including Sox9 Our results indicate that EZH2 is not required to repress chondrogenesis in the CM downstream of Wnt/beta-catenin signaling. PMID- 29223982 TI - Pazopanib Sensitivity in a Patient With Breast Cancer and FGFR1 Amplification. AB - Treatment options for patients with hormone receptor-positive (HR+), HER2 negative (HER2-) breast cancer and resistance to endocrine therapy remain limited. An interesting therapeutic target in these patients is fibroblast growth factor receptor 1 (FGFR1). FGFR1 is amplified in approximately 11% of patients with breast cancer, especially those with HR+ disease. This report presents a patient with metastatic HR+ HER2- breast cancer harboring an FGFR1 amplification who was resistant to endocrine therapy but responded to pazopanib, a multi tyrosine kinase inhibitor with FGFR-inhibiting activity. Upon pazopanib treatment, the patient's brain lesions nearly disappeared, and she experienced therapeutic changes in the lung and an improvement of liver function. This case suggests that pazopanib may be a promising agent for the treatment of patients with breast cancer and FGFR1 amplifications. PMID- 29223983 TI - Ensuring Patient Safety and Access in Cancer Care. AB - The inability to obtain the right high-quality cancer care in a timely and safe manner can have devastating results for patients. As cancer care becomes inundated with cutting edge and novel treatments, such as personalized medicine, oral chemotherapy, biosimilars, and immunotherapy, new safety challenges are emerging at increasing speed and complexity. Moreover, shifting federal healthcare policies could have significant implications for the safety and access to high-quality and effective cancer care for millions of patients with cancer. Challenges and opportunities in ensuring patient access to safe, affordable, and high-quality cancer care remain significant within the policy landscape. To address these concerns, NCCN hosted the Ensuring Safety and Access in Cancer Care Policy Summit in June 2017 to discuss pertinent patient safety issues and access implications under the Trump administration, as well as policy and advocacy strategies to address these gaps and build on opportunities moving forward. PMID- 29223985 TI - External Validation of Generic and Cancer-Specific Risk Stratification Tools in Patients With Pulmonary Embolism and Active Cancer. AB - Background: Numerous risk stratification tools exist to predict early post pulmonary embolism (PE) mortality; however, few were specifically designed for use in patients with cancer. This study sought to evaluate the performance of 3 cancer-specific (RIETE, POMPE-C, and Font criteria) and 3 generic (Hestia, Pulmonary Embolism Severity Index [PESI], and Geneva prognostic score [GPS]) risk stratification tools for predicting 30-day post-PE mortality in patients with active cancer. Methods: We identified consecutive, adult, objectively confirmed patients with PE and active cancer presenting to our institution from November 2010 to January 2014. We calculated the proportion of patients categorized as low or high risk by each of the 6 risk stratification tools and determined each tools' accuracy for predicting 30-day all-cause mortality. Results: A total of 124 patients with PE and active cancer were included (mean age, 66.2 years; 46.0% with concurrent deep vein thrombosis; 49.2% with metastatic disease; and 46.8%, 16.9%, and 11.3% receiving chemotherapy, radiation, or both, respectively). Mortality at 30 days occurred in 25 patients (20.2%). The cancer-specific tools (POMPE-C, RIETE, and Font criteria) categorized between 32% and 43% of patients as low risk and displayed sensitivities and specificities of 88.0% to 96.0% and 38.4% to 52.5%, respectively. The generic PESI and Hestia tools had sensitivities >96.0%, but classified <19% of patients as low risk; specificity of these tools were low (PESI, 6.1%; Hestia, 23.2%). Although the final noncancer tool, GPS, classified 43.5% of patients as low risk, it did so with a sensitivity of 52.0% and specificity of 42.4%. Conclusions: When risk-stratifying PE in patients with active cancer, cancer-specific tools appeared to exhibit better prognostic accuracy than their generic counterparts. POMPE-C, RIETE, and the Font criteria identified a substantially greater proportion of patients with PE likely to survive to 30 days with comparable sensitivity to the generic tools. PMID- 29223984 TI - NCCN Guidelines Insights: Genetic/Familial High-Risk Assessment: Colorectal, Version 3.2017. AB - The NCCN Guidelines for Genetic/Familial High-Risk Assessment: Colorectal provide recommendations for the management of patients with high-risk syndromes associated with an increased risk of colorectal cancer (CRC). The NCCN Panel for Genetic/Familial High-Risk Assessment: Colorectal meets at least annually to assess comments from reviewers within their institutions, examine relevant data, and reevaluate and update their recommendations. These NCCN Guidelines Insights focus on genes newly associated with CRC risk on multigene panels, the associated evidence, and currently recommended management strategies. PMID- 29223986 TI - KRAS Testing, Tumor Location, and Survival in Patients With Stage IV Colorectal Cancer: SEER 2010-2013. AB - Purpose:KRAS mutations and tumor location have been associated with response to targeted therapy among patients with stage IV colorectal cancer (CRC) in various trials. This study performed the first population-based examination of associations between KRAS mutations, tumor location, and survival, and assessed factors associated with documented KRAS testing. Methods: Patients with stage IV adenocarcinoma of the colon/rectum diagnosed from 2010 to 2013 were extracted from SEER data. Analyses of patient characteristics, KRAS testing, and tumor location were conducted using logistic regression. Cox proportional hazards models assessed relationships between KRAS mutations, tumor location, and risk of all-cause death. Results: Of 22,542 patients, 30% received KRAS testing, and 44% of these had mutations. Those tested tended to be younger, married, and metropolitan area residents, and have private insurance or Medicare. Rates of KRAS testing also varied by registry (range, 20%-46%). Patients with right-sided colon cancer (vs left-sided) tended to be older, female, and black; have mucinous, KRAS-mutant tumors; and have a greater risk of death (hazard ratio [HR], 1.27; 95% CI, 1.22-1.32). KRAS mutations were not associated with greater risk of death in the overall population; however, they were associated with greater risk of death among patients with left-sided colon cancer (HR, 1.19; 95% CI, 1.05-1.33). Conclusions: This large population-based study showed that among patients initially diagnosed with stage IV CRC, right-sided colon cancer was associated with greater risk of death compared with left-sided cancer, and KRAS mutations were only associated with risk of death in left-sided colon cancer. An unexpected finding was that among patients with stage IV disease, right-sided cancer was more commonly seen in black patients versus whites. Future studies should further explore these associations and determine the role of biology versus treatment differences. In addition, use of KRAS testing is increasing, but there is wide geographic variation wherein disparities related to insurance coverage and rurality may warrant further study. PMID- 29223987 TI - Radiosurgery for Brain Metastases: Changing Practice Patterns and Disparities in the United States. AB - Background: Management of brain metastases typically includes radiotherapy (RT) with conventional fractionation and/or stereotactic radiosurgery (SRS). However, optimal indications and practice patterns for SRS remain unclear. We sought to evaluate national practice patterns for patients with metastatic disease receiving brain RT. Methods: We queried the National Cancer Data Base (NCDB) for patients diagnosed with metastatic non-small cell lung cancer, breast cancer, colorectal cancer, or melanoma from 2004 to 2014 who received upfront brain RT. Patients were divided into SRS and non-SRS cohorts. Patient and facility-level SRS predictors were analyzed with chi-square tests and logistic regression, and uptake trends were approximated with linear regression. Survival by diagnosis year was analyzed with the Kaplan-Meier method. Results: Of 75,953 patients, 12,250 (16.1%) received SRS and 63,703 (83.9%) received non-SRS. From 2004 to 2014, the proportion of patients receiving SRS annually increased (from 9.8% to 25.6%; P<.001), and the proportion of facilities using SRS annually increased (from 31.2% to 50.4%; P<.001). On multivariable analysis, nonwhite race, nonprivate insurance, and residence in lower-income or less-educated regions predicted lower SRS use (P<.05 for each). During the study period, SRS use increased disproportionally among patients with private insurance or who resided in higher-income or higher-educated regions. From 2004 to 2013, 1-year actuarial survival improved from 24.1% to 49.6% for patients selected for SRS and from 21.0% to 26.3% for non-SRS patients (P<.001). Conclusions: This NCDB analysis demonstrates steadily increasing-although modest overall-brain SRS use for patients with metastatic disease in the United States and identifies several progressively widening sociodemographic disparities in the adoption of SRS. Further research is needed to determine the reasons for these worsening disparities and their clinical implications on intracranial control, neurocognitive toxicities, quality of life, and survival for patients with brain metastases. PMID- 29223988 TI - Prevalence of Physical Problems Detected by the Distress Thermometer and Problem List in Patients With Myeloproliferative Disorders. AB - Background: Patients with myeloproliferative neoplasms (MPNs) can have a severe physical symptom burden over an extended disease trajectory that contributes to decreased quality of life. Few studies, however, have characterized which patients most frequently consider physical symptoms a problem. This study describes the physical symptoms of patients with MPNs and the relationship of these symptoms to patient characteristics. Methods: Patients with MPNs (N=117) completed questionnaires in a dedicated academic medical center MPN clinic. Patients reported demographics (age, race/ethnicity, sex, marital status, employment status), disease characteristics (MPN type, time with MPN), and whether they were bothered by any of 22 variables in the "Physical Problems" list in the Distress Thermometer and Problem List (DT&PL). Results: The median number of physical problems endorsed by patients was 2 (median, 2.26; SD, 3.18), with a range from 0 to 20. Two-fifths endorsed no physical problems, one-fifth endorsed 1 problem, and two-fifths endorsed >=2 problems, with fatigue (35.5%), sleep (27.1%), pain (21.5%), dry skin/pruritus (18.7%), and memory/concentration (16.8%) being the most commonly reported. Non-Caucasian participants reported more problems with sleep (P=.050), pain (P=.016), and tingling (P=.026). Patients with polycythemia vera (PV) reported more issues with tingling (P=.046) and sexual problems (P=.032). Conclusions: Patients with MPNs are more likely to report physical symptom bother than to report no bother with multiple physical problems on the DT&PL. Patients of minority race/ethnicity and those with PV, however, showed heightened prevalence of physical problems-characteristics which may be used to triage patients for more intensive symptom management. PMID- 29223989 TI - Geographic Variation of Adjuvant Breast Cancer Therapy Initiation in the United States: Lessons From Medicare Part D. AB - Background: Drug utilization under Medicare Part D varies significantly by geographic region. This study examined the extent to which geographic variation in Part D plan characteristics contributes to the variation in choice of initial endocrine therapy agent among women with incident breast cancer. Methods: Two stage multivariate regression analyses were applied to the 16,541 women identified from Medicare claims as having incident breast cancer in 2006-2007. The first stage determined the effect of state of residence on the probability of having an aromatase inhibitor (AI), as opposed to tamoxifen, as initial endocrine therapy. The second stage provided estimates of the impact of state-specific Part D plan characteristics on variation in choice of initial therapy. Results: There was substantial residual geographic variation in the likelihood of using an AI as initial endocrine therapy, despite controlling for socioeconomic status, breast cancer treatment, and other factors. Regression-adjusted probabilities of starting an AI ranged from 57.3% in Wyoming to 92.6% in the District of Columbia. Results from the second stage revealed that variation in characteristics of Part D plans across states explained approximately one-third (30%) of the state-level variability in endocrine therapy. A higher number of plans with cost-sharing above the mean, greater spread in deductibles, and a greater spread in monthly drug premiums were associated with lower adjusted state probabilities of initiating an AI. In contrast, a higher number of drug plans with monthly premiums above the state mean and higher mean cost-sharing (in dollars) were both positively associated with likelihood of starting on an AI. Conclusions: Study findings suggest that variation in benefit design of Part D plans accounts for an important share of the large and persisting variability in use of AIs-the preferred oral therapy for breast cancer. PMID- 29223990 TI - Myeloid Growth Factors, Version 2.2017, NCCN Clinical Practice Guidelines in Oncology. AB - Myeloid growth factors (MGFs) are given as supportive care to patients receiving myelosuppressive chemotherapy to reduce the incidence of neutropenia. This selection from the NCCN Guidelines for MGFs focuses on the evaluation of regimen- and patient-specific risk factors for the development of febrile neutropenia (FN), the prophylactic use of MGFs for the prevention of chemotherapy-induced FN, and assessing the risks and benefits of MGF use in clinical practice. PMID- 29223991 TI - A Patient Risk Model of Chemotherapy-Induced Febrile Neutropenia: Lessons Learned From the ANC Study Group. AB - Neutropenia and its complications, including febrile neutropenia (FN), represent major toxicities associated with cancer chemotherapy, resulting in considerable morbidity, mortality, and costs. The myeloid growth factors such as granulocyte colony-stimulating factor (G-CSF) have been shown to reduce the risk of neutropenia complications while enabling safe and effective chemotherapy dose intensity. Concerns about the high costs of these agents along with limited physician adherence to clinical practice guidelines, resulting in both overuse and underuse, has stimulated interest in models for individual patient risk assessment to guide appropriate use of G-CSF. In a model developed and validated by the ANC Study Group, half of patients were classified as high risk and half as low risk based on patient-, disease-, and treatment-related factors. This model has been further validated in an independent patient population. Physician assessed risk of FN, as well as the decision to use prophylactic CSF, has been shown to correlate poorly with the FN risk estimated by the model. Additional modeling efforts in both adults and children receiving cancer treatment have been reported. Identification of patients at a high individual risk for FN and its consequences may offer the potential for optimal chemotherapy delivery and patient outcomes. Likewise, identification of patients at low risk for neutropenic events may reduce costs when such supportive care is not warranted. This article reviews and summarizes FN modeling studies and the opportunities for personalizing supportive care in patients receiving chemotherapy. PMID- 29223992 TI - Controversies Regarding Use of Myeloid Growth Factors in Leukemia. AB - This review focuses on the data supporting the use of myeloid growth factors (MGFs) in patients being treated for acute myeloid leukemia, acute lymphoblastic leukemia, chronic myeloid leukemia, and hairy cell leukemia, for which neutropenia is a common complication of treatment. However, due to the lack of randomized trial data or conflicting results of clinical studies, comprehensive guidelines have been difficult to formulate. Moreover, to date, these diagnoses have not been addressed in the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for MGFs. However, in most cases, the general principles have been included in the applicable NCCN Guidelines for each individual cancer site. PMID- 29223993 TI - Disparities in Adjuvant Endocrine Therapy. PMID- 29223996 TI - Metabolic myopathies: a practical approach. AB - Metabolic myopathies are a diverse group of rare genetic disorders and their associated muscle symptoms may be subtle. Patients may present with indolent myopathic features, exercise intolerance or recurrent rhabdomyolysis. Diagnostic delays are common and clinicians need a high index of suspicion to recognise and differentiate metabolic myopathies from other conditions that present in a similar fashion. Standard laboratory tests may be normal or non-specific, particularly between symptomatic episodes. Targeted enzyme activity measurement and next-generation genetic sequencing are increasingly used. There are now specific enzyme replacement therapies available, and other metabolic strategies and gene therapies are undergoing clinical trials. Here, we discuss our approach to the adult patient with suspected metabolic myopathy. We outline key features in the history and examination and discuss some mimics of metabolic myopathies. We highlight some disorders of glycogen and fatty acid utilisation that present in adulthood and outline current recommendations on management. PMID- 29223997 TI - More than meets the eye in a 'migraine'. PMID- 29223998 TI - Cryptococcal meningitis in apparently immunocompetent patients: association with idiopathic CD4+ lymphopenia. AB - We present two cases of cryptococcal meningitis in people subsequently diagnosed with idiopathic CD4+ lymphopenia. Both presented with new onset headaches without sinister features and were sent home on multiple occasions from emergency departments. Cryptococcal meningitis in HIV-negative patients poses major diagnostic and management problems; the associated mortality is 9%-27%. We suggest performing blood and cerebrospinal fluid cryptococcal antigen tests in all people with lymphocytic meningitis. PMID- 29223999 TI - Two Years Follow-Up of Patients with Abnormal Uterine Bleeding after Insertion of the Levonorgestrel-Releasing Intrauterine System. AB - AIM: To evaluate the efficacy and safety of levonorgestrel-releasing intrauterine system (LNG-IUS) in the long-term treatment of heavy menstrual blood loss in women unrelated to intrauterine pathology. METHODS: One hundred and six parous women aged 33-48 years with recurrent heavy menstrual bleeding (HMB) participated in this study. The women were followed up for 24 months and were assessed for intensity of bleeding both for pre- and post-insertion periods. An LNG-IUS was inserted in each patient within 7 days of the start of menstrual flow. The women were followed up at 1, 3, 6, 12, 18, and 24 months following the insertion of the intrauterine device. RESULTS: One hundred and two women completed the follow-up period and had a significant reduction in the amount of menstrual blood loss. The LNG-IUS was well tolerated by all women. Pre-treatment of the use of the LNG-IUS, endometrial biopsy patterns for irregular proliferative endometrium and for atypical simple hyperplasia were 34/106 (32.08%) and 61/106 (57.55%) respectively and after treatment no abnormal pathologic findings were determined (p < 0.001). CONCLUSION: Our findings indicate that the LNG-IUS is effective for significantly reducing the amount of menstrual blood loss in women with HMB. PMID- 29224000 TI - The Depression, Anxiety and Stress Scale (DASS-21) as a Screener for Depression in Substance Use Disorder Inpatients: A Pilot Study. AB - Depression is a common co-morbid disorder in substance use disorder (SUD) patients. Hence, valid instruments are needed to screen for depression in this subpopulation. In this study, the predictive validity of the Depression, Anxiety and Stress Scale (DASS-21) for the presence of a depressive disorder was investigated in SUD inpatients. Furthermore, differences between DASS-21 scores at intake and those recorded one week after inpatient detoxification were assessed in order to determine the measurement point of the assessment of the DASS-21 leading to the best predictive validity. The DASS-21 was administered to 47 patients at intake and shortly after inpatient detoxification. The results of the DASS-21 were compared to the Mini International Neuropsychiatric Interview (MINI), which served as the gold standard. Levels of sensitivity and specificity of 78-89% and 71-76% were found for the DASS-21 assessed after detoxification, satisfactorily predicting depression as diagnosed with the MINI. Total DASS-21 scores as well as the DASS subscale for depression were significantly reduced at the second measurement, compared to the DASS at intake. We conclude that the DASS 21 may be a suitable instrument to screen for depressive disorders in SUD patients when administered (shortly) after detoxification. Future research is needed to support this conclusion. PMID- 29224001 TI - Dental Caries and Developmental Defects of Enamel in the Primary Dentition of Preterm Infants: Case-Control Observational Study. AB - AIM: Assessment of dental health in the primary dentition of preterm infants (PTI) including investigation of mother- and infant-related risk factors in a case-control study design. MATERIAL AND METHODS: One hundred twenty-eight infants aged 3-4 years were included. Sixty-four PTI (27 males) were randomly selected from the preterm registry of the Jena University Hospital. As a control group served 64 full-term infants (FTI) recruited from the Department of Paediatric Dentistry, matched for age and sex. Dental examinations were provided by one dentist under standard clinical conditions. Caries was scored using the International Caries Detection and Assessment System (ICDAS II) and the DMFT, gingival health using the Periodontal Screening Index, and developmental defects of enamel using the DDE index. Mother- and infant-related factors were collected via a questionnaire and from medical records. RESULTS: The caries prevalence was 50.0% (ICDAS II >0) in PTI and 12.5% (ICDAS II >0) in FTI. The caries experience was higher in PTI (DMFT 1.0 +/- 3.1) than in FTI (DMFT 0.3 +/- 1.0). PTI had a higher risk of caries (OR 7.0), initial lesions (OR 6.2), DDE (OR 7.5), and gingivitis (OR 6.5) than FTI. The highest risk occurred in PTI with an extremely low birth weight (<1,000 g). A higher risk of DDE was present when mothers suffered from illness during pregnancy (OR 3.9). A higher risk of caries was revealed in infants with respiratory syndrome (OR 6.2) or when their mothers had a lower socioeconomic status (OR 6.3). CONCLUSIONS: PTI had less healthy teeth than FTI and are at a higher risk for DDE, caries, and gingivitis. The poorer dental health in PTI is associated with a low birth weight, a low socioeconomic status, and mothers' illness during pregnancy. PMID- 29224002 TI - The Protective Effects of Kappa-Opioid Receptor Stimulation in Hypoxic Pulmonary Hypertension Involve Inhibition of Autophagy Through the AMPK-MTOR Pathway. AB - BACKGROUND/AIMS: In a previous study, we showed that kappa-opioid receptor stimulation with the selective agonist U50,488H ameliorated hypoxic pulmonary hypertension (HPH). However, the roles that pulmonary arterial smooth muscle cell (PASMC) proliferation, apoptosis, and autophagy play in kappa-opioid receptor mediated protection against HPH are still unknown. The goal of the present study was to investigate the role of autophagy in U50,488H-induced HPH protection and the underlying mechanisms. METHODS: Rats were exposed to 10% oxygen for three weeks to induce HPH. After hypoxia, the mean pulmonary arterial pressure (mPAP) and the right ventricular pressure (RVP) were measured. Cell viability was monitored using the Cell Counting Kit-8 (CCK-8) assay. Cell apoptosis was detected by flow cytometry and Western blot. Autophagy was assessed by means of the mRFP-GFP-LC3 adenovirus transfection assay and by Western blot. RESULTS: Inhibition of autophagy by the administration of chloroquine prevented the development of HPH in the rat model, as evidenced by significantly reduced mPAP and RVP, as well as decreased autophagy. U50,488H mimicked the effects of chloroquine, and the effects of U50,488H were blocked by nor-BNI, a selective kappa-opioid receptor antagonist. In vitro experiments showed that the inhibition of autophagy by chloroquine was associated with decreased proliferation and increased apoptosis of PASMCs. Under hypoxia, U50,488H also significantly inhibited autophagy, reduced proliferation and increased apoptosis of PASMCs. These effects of U50,488H were blocked by nor-BNI. Moreover, exposure to hypoxic conditions significantly increased AMPK phosphorylation and reduced mTOR phosphorylation, and these effects were abrogated by U50,488H. The effects of U50,488H on PASMC autophagy were inhibited by AICAR, a selective AMPK agonist, or by rapamycin, a selective mTOR inhibitor. CONCLUSION: Our data provide evidence for the first time that kappa-opioid receptor stimulation protects against HPH by inhibiting PASMCs autophagy via the AMPK-mTOR pathway. PMID- 29224004 TI - ORCA Priorities and State of Play in 2017. PMID- 29224003 TI - Human Leukocyte Antigen-G Inhibits the Anti-Tumor Effect of Natural Killer Cells via Immunoglobulin-Like Transcript 2 in Gastric Cancer. AB - BACKGROUND/AIMS: Human leukocyte antigen-G (HLA-G) plays an important role in inhibiting natural killer (NK) cell function and promoting immune escape. However, the specific mechanism of HLA-G on NK in gastric cancer (GC) remains not well understood. This study investigated the expression of HLA-G in GC and the role of HLA-G-effected NK cells in GC progression. METHODS: HLA-G expression in GC tissues obtained from 49 patients with GC was analyzed by immunohistochemistry and western blot. The number of tumor-infiltrating NK cells and the expression of their surface receptors were analyzed by immunohistochemistry and flow cytometry, respectively. The effect of HLA-G on NK cell proliferation was examined by Cell Counting Kit-8 (CCK8) assay. LDH release assay was used to evaluate the effect of HLA-G on the cytotoxic activity of NK cells, and the levels of IFN-gamma and TNF alpha in the co-cultured supernatant were detected by ELISA. Mice bearing a xenograft tumor model were used to examine the effect of HLA-G on the anti-tumor effect of NK cells. RESULTS: HLA-G positive expression was detected in most of the GC tissues, and was correlated with the adverse prognosis of the disease. The expression of HLA-G was negatively associated with the number of tumor infiltrating NK cells. Furthermore, GC cell lines with overexpressed HLA-G revealed their ability to inhibit the cell proliferation and cytotoxic activity of NK-92MI cells, and reduce the secretion of IFN-gamma and TNF-alpha through immunoglobulin-like transcript 2 (ILT2). Finally, this in vivo experiment was able to prove that HLA-G can inhibit the anti-tumor effect of NK cells through ILT2. CONCLUSION: The expression of HLA-G was strongly correlated with the adverse prognosis of GC. The reason may be that it inhibits the proliferation and cytotoxic activity of infiltrating NK cells through ILT2. PMID- 29224005 TI - Evidence of Osteoclastic Activity in the Human Temporal Bone. AB - Bone remodeling within the otic capsule has been reported to be inhibited especially at or near the cochlea, except under some pathological conditions such as otosclerosis, Paget's disease, or mastoiditis, when bone remodeling can occur. Microcavitations found in periosteal and endosteal layers of human temporal bone specimens without otosclerosis, Paget's disease, or inflammation as reported in the current study are consistent with osteoclastic bone resorption. Thirty-three temporal bones from 33 patients were prepared for light microscopy and classified into 4 groups: histologically proven dehiscence of the superior semicircular canal (SSCD) (n = 3, group 1), age 20 years or younger (n = 10, group 2), age 90 years or older and with otosclerosis (n = 10, group 3), and age 90 years or older without otosclerosis (n = 10, group 4). Microcavitation was seen at 7 anatomic locations in the temporal bone in all 4 groups, but not in the cochlea or vestibule. Microcavitation within the temporal bone is likely due to osteoclastic activity, and it is seen in both young and old patients, patients with and without otosclerosis, and in cases with SSCD. PMID- 29224007 TI - Coronary Disease Survival with Diabetes. PMID- 29224006 TI - Epigenetic Regulation of the Promotor Region of Vascular Endothelial Growth Factor-A and Nerve Growth Factor in Opioid-Maintained Patients. AB - AIMS: The nerve growth factor (NGF) and the vascular endothelial growth factor-A (VEGF-A) may be of importance for psychiatric diseases including substance use disorders. The aim of the study was to identify differences in the regulation of both neuropeptides via the DNA-methylation status of the promotor regions of NGF and VEGF-A in different forms of maintenance therapy for opioid dependence and the related stress regulation via the hypothalamic-pituitary-adrenal axis. METHODS: We compared methylation levels of opioid-dependent patients receiving treatment with diamorphine (n = 28) or levomethadone (n = 54) and similar levels in a healthy control group (n = 72). RESULTS: There was a significantly higher methylation of VEGF-A in opioid-maintained patients with levomethadone compared to that in the control group (estimated marginal means [EMM] [SE]): 0.036 [0.003] vs. 0.020 [0.003]; p < 0.001). We performed a cluster analysis for NGF, splitting up the results in 4 clusters. We found significant changes in methylation rates of the opioid-maintained patients compared to the controls in cluster I ([EMM] [SE]: 0.064 [0.005] vs. 0.084 [0.006]; p = 0.03), cluster II ([EMM] [SE]: 0.133 [0.013] vs. 0.187 [0.014]; p < 0.001) and cluster III ([EMM] [SE]: 0.190 [0.014] vs. 0.128 [0.016]; p < 0.001). CONCLUSIONS: The results are of importance, as they indicate that long-term changes in stress regulation regulated by neurotrophines are a crucial part of the symptomatology of opioid dependence, thus influencing drug consumption and the different forms of opioid-maintenance therapies. PMID- 29224008 TI - MiRNAs Mediate GDNF-Induced Proliferation and Migration of Glioma Cells. AB - BACKGROUND/AIMS: Glial cell line-derived neurotrophic factor (GDNF) is an important factor promoting invasive glioma growth. This study was performed to reveal a unique mechanism of glioma cell proliferation and migration. METHODS: Human U251 glioma cells were used to screen the optimal GDNF concentration and treatment time to stimulate proliferation and migration. MicroRNA (MiRNA) expression profiles were detected by microarray and confirmed by real-time polymerase chain reaction (PCR). The target genes of differentially expressed miRNAs were predicted by miRWalk, and those targeted by multiple miRNAs were screened with Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses. A regulatory miRNA network was constructed using ingenuity pathway analysis (IPA). Target gene expression of differentially expressed miRNAs was examined by real-time PCR or mRNA microarray. RESULTS: The results show that 50 ng/mL GDNF for 24 h significantly promotes U251 glioma cell proliferation and migration (P < 0.05). Seven miRNAs (hsa-miR-194-5p, hsa-miR-152 3p, hsa-miR-205-5p, hsa-miR-629-5p, hsa-miR-3609, hsa-miR-183-5p, and hsa-miR 487b-3p) were significantly up-regulated after GDNF treatment (P < 0.05). These miRNAs are primarily involved in signal transduction, cell adhesion and cell cycle through mitogen-activated protein kinase (MAPK) signaling, focal adhesion and glioma signal pathways. Five of these miRNAs (hsa-miR-194-5p, hsa-miR-152-3p, hsa-miR-205-5p, hsa-miR-183-5p, and hsa-miR-487b-3p) co-regulate TP53 and Akt. mRNA expression levels of four genes co-targeted by two or more up-regulated miRNAs were significantly decreased after GDNF treatment (P < 0.05). CONCLUSION: GDNF treatment of U251 glioma cells significantly increased the expression of seven miRNAs involved in cell adhesion and the cell cycle. PMID- 29224009 TI - ITRAQ-Based Proteomics Analysis of Acute Lung Injury Induced by Oleic Acid in Mice. AB - BACKGROUND/AIMS: This study was conducted to investigate the relationship between differentially expressed proteins (DEPs) and the pathogenesis of oleic acid (OA) induced acute lung injury (ALI) in mice. METHODS: Eight-week-old male C57BL/6 mice were injected with OA through the tail vein and sacrificed 6 hours after OA administration to identify protein expression levels in lung tissue using isobaric tags for relative and absolute quantification (iTRAQ) technology. Then, DEPs such as antithrombin III (AT III), 12-lipoxygenase (12-LO), dedicator of cytokinesis 2 (DOCK2), polycystin-2 and plasminogen were identified by western blotting. Subsequently, we focused on investigating the effect of AT III on endothelial integrity using siRNA interference technology. The levels of IL-6, IL 1beta, TNF-alpha and TGF-beta expression were detected using an enzyme-linked immunosorbent assay (ELISA). Alterations in the tight junction component ZO-1 and the phosphorylation of myosin light chain (pMLC) were determined by western blotting. The stress fiber F-actin were also detected by immunofluorescence staining. In addition, endothelial permeability was determined via a transwell permeability assay. RESULTS: A total of 5152 proteins were found to be expressed in lung tissues from the OA-treated and saline-treated mice. Among these proteins, 849 were differentially expressed between the two groups, including 545 upregulated and 304 downregulated proteins. After AT III knockdown, the levels of inflammatory factors and endothelial permeability were elevated, the expression of ZO-1 was decreased, and the expression of F-actin and pMLC was increased. All these results illustrated that AT III knockdown exaggerated the disruption of endothelial integrity mediated by OA. CONCLUSION: These findings using iTRAQ technology demonstrate, for the first time, differences in the lung tissue expression levels of proteins between OA-treated mice and saline-treated mice. This study reveals that 12-LO, DOCK2 and especially AT III may be candidate biomarkers for OA-induced acute lung injury. PMID- 29224010 TI - MicroRNA-195 Suppresses the Progression of Pancreatic Cancer by Targeting DCLK1. AB - BACKGROUND/AIMS: Doublecortin-like kinase 1 (DCLK1) is emerging as a tumor specific stem cell marker in pancreatic cancer (PC). MicroRNA-195 (miR-195) plays an important role in many types of tumors. However, the roles of DCLK1 in cancer and miRNAs that directly regulate DCLK1 have not been elucidated. The goal of this study is to assess the effects of miR-195 on inhibiting DCLK1 and to clarify the regulating mechanism of miR-195-DCLK1 in PC cells. METHODS: The expression of DCLK1 protein and miR-195 in PC tissues and adjacent healthy pancreatic tissues was detected by Western blot and quantitative reverse transcription polymerase chain reaction (qRT-PCR), respectively and the correlation between overall survival of PC patients and expression of DCLK1 was measured by Kaplan-Meier analysis. Bioinformatics tools were used to identify the target gene of miR-195. Effects of miR-195 and DCLK1 on proliferation and cell cycle of PC cells were analyzed by MTT, colony formation assays and flow cytometry. Transwell and wound healing experiments were employed to examine the cellular migration and invasion. A xenograft mouse model was also used to test the effects of miR-195 on tumor growth and metastasis in vivo. RESULTS: The expression level of DCLK1 and miR-195 shows an inverse correlation in PC tissues and cell lines. A higher DCLK1 level is associated with higher TNM (tumor, node, and metastasis) stage, higher rate of lymph node metastasis, and poor survival. Luciferase reporter assay shows that miR-195 directly targets DCLK1. Overexpression of miR-195 inhibits proliferation, migration and invasion of PC cells, whereas downregulation of miR-195 has an opposite role. These actions were similar to the effects of knockdown and overexpression of DCLK1, respectively. CONCLUSIONS: These data suggest that miR 195 has tumor suppressor roles in PC by targeting DCLK1. MiR-195-DCLK1 pathway may provide insight into PC progression and represent a novel, promising diagnostic and therapeutic target for PC. PMID- 29224012 TI - Editorial. PMID- 29224011 TI - GLP-1 and Ghrelin Attenuate High Glucose/High Lipid-Induced Apoptosis and Senescence of Human Microvascular Endothelial Cells. AB - BACKGROUND/AIMS: GLP-1 and ghrelin are common appetite-regulating hormones. Both have multiple functions beyond metabolic regulation. However, the effects of GLP 1 and ghrelin on endothelial biology are not fully understood. Here, we investigate the roles of GLP-1 and ghrelin in microvascular endothelial apoptosis and senescence. METHODS: Human microvascular endothelial cells (HMECs) were exposed to high glucose/high lipid (HG/HL) conditions and treated with GLP-1 or ghrelin. Cellular apoptosis, senescence, and mitochondrial function were measured. In addition, the MAPK and Akt signaling pathways were examined. RESULTS: Both GLP-1 and ghrelin treatment decreased the number of TUNEL-positive cells and inhibited caspase-3 and PARP cleavage and mitochondrial dysfunction in HG/HL-exposed HMECs. GLP-1, but not ghrelin decreased the number of beta galactosidase (beta-gal)-positive cells. Furthermore, GLP-1 and ghrelin inhibited ERK1/2, JNK1/2, and p38 signaling. GLP-1 suppressed Akt signaling, but ghrelin had no effect. Moreover, JNK1/2 and p38 inhibitors, but not ERK1/2 and Akt inhibitors, decreased the number of TUNEL-positive cells. Additionally, only the Akt inhibitor decreased the number of beta-gal-positive cells. CONCLUSION: These results demonstrate that GLP-1 and ghrelin inhibit mitochondrial dysfunction under HG/HL conditions, and suppress endothelial apoptosis via inhibiting JNK1/2 and p38 signaling; moreover, GLP-1 alleviates endothelial senescence via inactivating Akt signaling. PMID- 29224013 TI - Response of Renal Podocytes to Excessive Hydrostatic Pressure: a Pathophysiologic Cascade in a Malignant Hypertension Model. AB - BACKGROUND/AIMS: Renal injuries induced by increased intra-glomerular pressure coincide with podocyte detachment from the glomerular basement membrane (GBM). In previous studies, it was demonstrated that mesangial cells have a crucial role in the pathogenesis of malignant hypertension. However, the exact pathophysiological cascade responsible for podocyte detachment and its relationship with mesangial cells has not been fully elucidated yet and this was the aim of the current study. METHODS: Rat renal mesangial or podocytes were exposed to high hydrostatic pressure in an in-vitro model of malignant hypertension. The resulted effects on podocyte detachment, apoptosis and expression of podocin and integrinbeta1 in addition to Angiotensin-II and TGF-beta1 generation were evaluated. To simulate the paracrine effect podocytes were placed in mesangial cell media pre-exposed to pressure, or in media enriched with Angiotensin-II, TGF-beta1 or receptor blockers. RESULTS: High pressure resulted in increased Angiotensin-II levels in mesangial and podocyte cells. Angiotensin-II via the AT1 receptors reduced podocin expression and integrinbeta1, culminating in detachment of both viable and apoptotic podocytes. Mesangial cells exposed to pressure had a greater increase in Angiotensin-II than pressure-exposed podocytes. The massively increased concentration of Angiotensin-II by mesangial cells, together with increased TGF-beta1 production, resulted in increased apoptosis and detachment of non-viable apoptotic podocytes. Unlike the direct effect of pressure on podocytes, the mesangial mediated effects were not related to changes in adhesion proteins expression. CONCLUSIONS: Hypertension induces podocyte detachment by autocrine and paracrine effects. In a direct response to pressure, podocytes increase Angiotensin-II levels. This leads, via AT1 receptors, to structural changes in adhesion proteins, culminating in viable podocyte detachment. Paracrine effects of hypertension, mediated by mesangial cells, lead to higher levels of both Angiotensin-II and TGF-beta1, culminating in apoptosis and detachment of non-viable podocytes. PMID- 29224014 TI - Diagnostic Ureteroscopy Prior to Radical Nephroureterectomy for Upper Tract Urothelial Carcinoma Increased the Risk of Intravesical Recurrence. AB - OBJECTIVE: To assess the impact of diagnostic ureteroscopy (URS) prior to radical nephroureterectomy (RNU) on intravesical recurrence (IVR) in patients with upper tract urothelial carcinoma (UTUC). MATERIALS AND METHODS: A systematic literature search of the Medline, Embase, PubMed, and Cochrane library was performed in August 2017. Cumulative analyses of available hazard ratios (HRs) and their 95% CI were conducted using Stata version 12.0. RESULTS: Eleven studies including 4,057 participants were included, with a total of 1,403 patients diagnosed with IVR during the follow-up period. The pooled HRs of eight studies suggested that diagnostic URS prior to RNU significantly increased the IVR risk after RNU (HR 1.53, 95% CI 1.31-1.77; p < 0.001). However, the preoperative diagnostic URS was not associated with cancer-specific survival (HR 0.72; p = 0.11), metastasis-free survival (HR 1.09; p = 0.60) or overall survival (HR 1.12; p = 0.73). No publication bias was observed (Begg, p = 0.90; Egger, p = 0.71). CONCLUSIONS: Regardless, the diagnostic URS prior to RNU might increase the IVR risk in patients with UTUC. As ureteroscopy provides important prognostic and therapeutic value and guides decisions in UTUC, more future studies should be performed to find a novel way to mitigate the potential risk of IVR after RNU, such as chemoprophylaxis after endoscopy. PMID- 29224015 TI - Renal Resistive Index as a Novel Indicator for Renal Complications in High-Fat Diet-Fed Mice. AB - BACKGROUND/AIMS: The renal resistive index (RI) is a novel candidate as a renal injury prognostic indicator, but it remains unclear how renal RI levels correspond to renal injury in diabetic nephropathy. METHODS: To examine this issue, we compared 8-week-old male C57BL/6 mice fed with high-fat diet (HFD) versus chow diet (CHD) for 16 weeks. At 8 and 12 weeks, the glomerular filtration rate (GFR), urinary albumin-to-creatinine ratio (UACR), and inflammatory factors (IL-1beta, IL-6, TNFalpha, and MCP-1) were measured, along with the increase in renal RI. RESULTS: Our study suggests RI values positively correlate with GFR for the first 12 weeks of HFD feeding. In contrast, the GFR of 16-week HFD feeding is lower than that of 12-week HFD feeding, whereas RI levels are significantly increased. Additionally, our study suggests RI values accurately indicate the renal fibrosis and renal injury in HFD-fed mice treated with lovastatin. CONCLUSION: This study seems to confirm the utility of a noninvasive and repeatable ultrasound parameter to rapidly evaluate renal fibrosis in a HFD induced type 2 diabetic mouse model in vivo. This highly sensitive and comparable renal RI measurement could monitor the whole procedure of disease development in real-time. RI measurement of the renal artery is capable of differentiating responses to standard therapy with lovastatin in HFD-fed mice from the CHD group. PMID- 29224016 TI - Survival in Type 1 and Type 2 Diabetes in a Population Referred for Invasive Evaluation of Coronary Disease. AB - OBJECTIVES: To evaluate long-term and time trends of survival in patients with a clinical diagnosis of type 1 and type 2 diabetes compared to patients without diabetes in a population referred for invasive treatment of coronary disease. METHODS: Patients examined for heart disease at the Feiring LHL Clinics from March 1999 until December 2014 were followed for survival until 20 September, 2015. This yielded 43,872 patients with a known survival status including 1,326 (3.0%) patients with type 1 diabetes and 4,564 (10.9%) with type 2 diabetes. RESULTS: Cox regression revealed a hazard ratio (HR) in type 1 and type 2 diabetes, respectively, of 1.78 (95% confidence interval [CI] 1.60-1.99) and 1.29 (95% CI 1.21-1.37). Comparing survival in the treatment periods before and after 2007, patients without diabetes and with type 2 diabetes had a reduced HR of 0.78 (95% CI 0.72-0.84) and 0.76 (95% CI 0.63-0.91), respectively, but there was no reduction in type 1 diabetes (HR 1.03; 95% CI 0.74-1.42). CONCLUSIONS: Type 1 and type 2 diabetes have excess long-term mortality. In the nondiabetic and type 2 diabetic patients, a reduction in mortality has been noted in recent years, but has not been observed in type 1 diabetic patients. PMID- 29224017 TI - The IL-2/Anti-IL-2 Complex Attenuates Cardiac Ischaemia-Reperfusion Injury Through Expansion of Regulatory T Cells. AB - BACKGROUND/AIMS: Regulatory T cells (Tregs) can suppress immunologic damage in myocardial ischaemia/reperfusion injury (MIRI), however, the isolation and ex vivo expansion of these cells for clinical application remains challenging. Here, we investigated whether the IL-2/anti-IL-2 complex (IL-2C), a mediator of Treg expansion, can attenuate MIRI in mice. METHODS: Myocardial I/R was surgically induced in male C57BL/6 mice, aged 8-10 weeks, that were randomly assigned to 1) sham group (Sham), 2) Phosphate Buffered Saline (PBS), 3) IL-2-anti-IL-2 Ab complex (IL-2C), or 4) sham group, 5) PBS, 6) IL-2C after MIRI, or 7) IL-2C, 8) IL-2C+anti-CD25 mAbs, or 9) IL-2C; 10) IL-2C+anti-TGF-beta1 mAbs, 11) IL-2C+anti IL-10 mAbs. The following parameters were measured at different time points: infarct area, myocardial apoptosis, splenocytes, the inhibitory function of Tregs, and presence of inflammatory factors. In addition, immunohistochemistry analysis was performed. RESULTS: We observed that Tregs were activated in response to MIRI. IL-2C administered before MIRI induced Treg expansion in both spleen and heart, attenuated Th1 and Th17 cell numbers, improved myocardial function, and attenuated both infiltration of inflammatory cells and apoptosis after MIRI. Furthermore, IL-2C administration reduced expression of inflammatory cytokines in the heart and attenuated proliferation of splenic cells. Depletion of Tregs with anti-CD25 mAb abrogated the beneficial effects of IL-2C. However, IL-2C-mediated myocardial protection was not dependent on either IL-10 or TGF beta. In addition, IL-2C administration after MIRI did not reduce infarct area, but did improve myocardial function slightly and reduced myocardial fibrosis. CONCLUSION: Our results demonstrate that IL-2C-induced Treg expansion attenuates MIRI and improves myocardial recovery in vivo, suggesting that IL-2C is a promising therapeutic target for myocardial IRI. PMID- 29224018 TI - Sulforaphane Treatment of Stress Urinary Incontinence Via the Nrf2-ARE Pathway in a Rat Model. AB - BACKGROUND/AIMS: To explore the effect of sulforaphane (SFN) treatment in rats through the induction of Stress Urinary Incontinence (SUI) via the Nrf2-ARE pathway. METHODS: A total of 18 female rats (Sprague-Dawley) were assigned to three groups: a control group, an SUI group, and an SUI+SFN group (six rats per group). Rats in the treatment groups were induced via postpartum vaginal balloon dilation and bilateral ovariectomy. Rats in the SUI+SFN group were treated via intraperitoneal injection once per day for a total of one month. Urethral sphincter muscle histological was observed by HE and Masson staining. Peak voiding pressure and interval of micturition were measured by cystometry. Oxidative stress markers and protein expression in the Nrf2-ARE pathway were examined by immunohistochemical staining and western blotting. RESULTS: Prolonged micturition interval and higher peak voiding pressure were observed in the SUI+SFN group. Disturbance of muscle morphology was ameliorated, muscle content was elevated, and collagen content was restrained in response to SFN treatment. The SOD, GSH-Px, and CAT activities were elevated in the SUI+SFN group compared to those in the control group. The level of cell apoptosis was decreased in SUI rats after SFN treatment; however, apoptosis was mainly located in the urethral mucosa instead of the muscle layer. SFN reduced the Bax/Bcl-2 expression ratio. Nrf2 and Nrf2 target antioxidant proteins were elevated in the SFN group. CONCLUSIONS: SFN was effective for SUI treatment via decreasing oxidative stress and activating the Nrf2-ARE pathway. PMID- 29224019 TI - The MiR-495/Annexin A3/P53 Axis Inhibits the Invasion and EMT of Colorectal Cancer Cells. AB - BACKGROUND/AIMS: More and more reports have shown that the dysregulation of miRNAs can contribute to the progression and metastasis of human cancers. Many studies have shown that the down-regulation of the miR-495 level occurs in a variety of cancers, including colorectal cancer (CRC). However, the precise molecular mechanisms of miR-495 in CRC have not been well clarified. In the current study, we investigated the biological functions and molecular mechanisms of miR-495 in CRC cell lines. METHODS: qRT-PCR was used to determine the level of miR-495 in CRC cell lines and tissues. A miR-495 mimic and inhibitor were transfected into CRC cells, and the effects of miR-495 on the invasion and EMT were explored by qRT-PCR as well as transwell and Western blot assays. Meanwhile, luciferase assays were performed to validate Annexin A3 as a miR-495 target in CRC cells. RESULTS: In our study, we found that miR-495 is down-regulated in CRC tissues and cell lines. Moreover, the low level of miR-495 was associated with increased expression of Annexin A3 in CRC tissues and cell lines. The invasion and EMT of CRC cells were suppressed by the overexpression of miR-495. However, the down-regulation of miR-495 promoted the invasion and EMT of CRC cells. Bioinformatics analysis predicted that Annexin A3 was a potential target gene of miR-495. Next, the luciferase reporter assay confirmed that miR-495 could directly target Annexin A3. Consistent with the effect of miR-495, the down regulation of Annexin A3 by siRNA inhibited the invasion and EMT of CRC cells through the up-regulation of p53. The introduction of Annexin A3 in CRC cells partially blocked the effects of the miR-495 mimic. CONCLUSION: The introduction of miR-495 directly targeted Annexin A3 to inhibit the invasion and EMT of CRC cells by up-regulating p53, and the down-regulation of Annexin A3 was essential for inhibiting the invasion and EMT of CRC cells by overexpressing miR-495. Overall, the re-activation of the miR-495/Annexin A3/ p53 axis may represent a new strategy for overcoming metastasis of CRC. PMID- 29224020 TI - Association Between GLCCI1 Promoter Polymorphism (Rs37972) and Post-Transplant Hypertension in Renal Transplant Recipients. AB - BACKGROUND/AIMS: Post-transplant hypertension is highly prevalent in renal transplant recipients and is a risk factor for graft loss, cardiovascular disease and death. Glucocorticoid is used to prevent rejection, but simultaneously increases the risk of post-transplant hypertension. The glucocorticoid-induced transcript 1 (GLCCI1) promoter polymorphism (rs37972) has been reported to be associated with response to glucocorticoid therapy in asthma. We therefore examined the association between GLCCI1 promoter polymorphism and post-transplant hypertension in renal transplant recipients. METHODS: We conducted a retrospective cohort study of renal transplantation at a single university hospital from October 2003 to January 2014. Fifty consecutive adult recipients were analyzed, with clinical data retrieved from a prospectively collected database. Genotyping was carried out using genomic DNA derived from recipient's blood. GLCCI1 immunoreactivity in vascular endothelial cells was quantitatively analyzed by immunohistochemical staining of recipients' native kidney biopsy specimens. The primary outcome measure was post-transplant hypertension. RESULTS: Post-transplant hypertension was observed in 14/17 (82%) of recipients with CC, 18/20 (90%) with CT, and 2/13 (15%) with TT genotype. CC/CT genotype was significantly associated with post-transplant hypertension, even after adjustment for covariates (odds ratio, 10.6; 95% confidence intervals, 1.32 to 85.8; P = 0.026). In addition, we observed that GLCCI1 immunoreactivity in arteriolar endothelial cells was higher in kidney specimens obtained from recipients with a CC/CT genotype than a TT genotype (P = 0.021). CONCLUSION: GLCCI1 promoter polymorphism rs37972 may be associated with post-transplant hypertension. PMID- 29224022 TI - Bladder Fetal Rhabdomyoma Intermediate Type. AB - INTRODUCTION: Rhabdomyomas are benign tumors of striated muscle, the bladder localization is very rare. CLINICAL CASE: We present an 87-year-old male consulting for gross hematuria. Cystoscopy was done with evidence of bulged bladder mucosa in right side wall and dome. Post-transurethral resection of the bladder (TURB) pathological anatomy was negative for malignancy. As extension study abdominopelvic computed tomography was performed identifying a bladder thickening of right posterior sidewall and an increased density of the adjacent fat. Second TURB was performed and a fetal bladder rhabdomyoma intermediate type was obtained. We performed another biopsy to confirm this rare pathology, with the same diagnosis. Subsequently, the patient continues with hematuria deciding on hemostatic radiotherapy (not candidate for cystectomy or arterial embolization). Currently, the patient is asymptomatic. DISCUSSION: Bladder rhabdomyomas are rare tumors, and, in fact, there have been only 5 papers published. Some cases are only isolation cited in the bladder mesenchymal tumors, and other polemic cases in which clinical and macroscopic characteristics remembered a rhabdomyosarcoma. The importance of this publication case is the macro- and microscopic images that can corroborate the final diagnosis, helping us to differentiate between rhabdomyoma, rhabdomyofibroma, or the malignant rhabdomyosarcoma, and shows the treatment possibilities of these tumors. PMID- 29224021 TI - Comparison of Muscle Mass Indices Using Computed Tomography or Dual X-Ray Absorptiometry for Predicting Physical Performance in Hemodialysis Patients. AB - BACKGROUND/AIMS: Our study aims to evaluate the association between thigh muscle cross-sectional area (TMA) using computed tomography (CT), or appendicular skeletal muscle mass (ASM) using dual energy X-ray absorptiometry (DEXA), and physical performance levels in hemodialysis (HD) patients. METHODS: Patients were included if they were on HD for >=6 months (n = 84). ASM and TMA were adjusted to body weight (BW, kg) or height2 (Ht2, m2). Each participant performed a short physical performance battery test (SPPB), a sit-to-stand for 30 second test (STS30), a 6-minute walk test (6-MWT), a timed up and go test (TUG), and hand grip strength (HGS) test. RESULTS: Correlation coefficients for SPPB, GS, 5STS, STS30, 6-MWT, and TUG were highest in TMA/BW. Results from partial correlation or linear regression analyses displayed similar trends to those derived from Pearson's correlation analyses. An increase in TMA/BW or TMA/Ht2 was associated with a decreased odds ratio of low SPPB, GS, or HGS in multivariate analyses. Indices using DEXA were associated with a decreased odds ratio of a low HGS only in multivariate analysis. CONCLUSION: TMA indices using CT may be more valuable in predicting physical performance or strength in HD patients. PMID- 29224023 TI - Negative Symptoms and Avoidance of Social Interaction: A Study of Non-Verbal Behaviour. AB - BACKGROUND: Non-verbal behaviour is fundamental to social interaction. Patients with schizophrenia display an expressivity deficit of non-verbal behaviour, exhibiting behaviour that differs from both healthy subjects and patients with different psychiatric diagnoses. The present study aimed to explore the association between non-verbal behaviour and symptom domains, overcoming methodological shortcomings of previous studies. SAMPLING AND METHODS: Standardised interviews with 63 outpatients diagnosed with schizophrenia were videotaped. Symptoms were assessed using the Clinical Assessment Interview for Negative Symptoms (CAINS), the Positive and Negative Syndrome Scale (PANSS) and the Calgary Depression Scale. Independent raters later analysed the videos for non-verbal behaviour, using a modified version of the Ethological Coding System for Interviews (ECSI). RESULTS: Patients with a higher level of negative symptoms displayed significantly fewer prosocial (e.g., nodding and smiling), gesture, and displacement behaviours (e.g., fumbling), but significantly more flight behaviours (e.g., looking away, freezing). No gender differences were found, and these associations held true when adjusted for antipsychotic medication dosage. CONCLUSIONS: Negative symptoms are associated with both a lower level of actively engaging non-verbal behaviour and an increased active avoidance of social contact. Future research should aim to identify the mechanisms behind flight behaviour, with implications for the development of treatments to improve social functioning. PMID- 29224024 TI - Association of the TG/HDL-C and Non-HDL-C/HDL-C Ratios with Chronic Kidney Disease in an Adult Chinese Population. AB - BACKGROUND/AIMS: Evidence indicates a role for dyslipidemia in the development of chronic kidney disease (CKD). However, the association of lipid abnormalities and their ratios with kidney disease using the new CKD Epidemiology Collaboration (CKD-EPI) equation is not well understood. METHODS: This cross-sectional study included 48,054 adult subjects. CKD was defined as an estimated glomerular filtration rate <60 ml/min/1.73 m2 or dipstick-positive proteinuria. Logistic regression models were used to examine the relationship between lipid variables and CKD. RESULTS: The prevalence of CKD in this study was 3.7%. When the participants exhibited higher serum triglyceride (TG), a higher TG/high-density lipoprotein cholesterol (TG/HDL-c) ratio or a higher non-HDL-c/HDL-c ratio or HDL c in a lower quartile, the prevalence of CKD tended to be higher. The multivariate adjusted odds ratios for CKD per 1 standard deviation increase in lipid level were 1.17 (1.10-1.23) for TG, 0.86 (0.79-0.93) for HDL-c, 1.21 (1.13 1.31) for the TG/HDL-c ratio, and 1.14 (1.06-1.22) for the non-HDL-c/HDL-c ratio. No significant association was detected between CKD and total cholesterol (TC), non-HDL-c or the low-density lipoprotein cholesterol/HDL-c (LDL-c/HDL-c) ratio. CONCLUSION: In this relatively healthy adult Chinese population, the CKD-EPI equation determined that the TG/HDL-c and non-HDL-c/HDL-c ratios as well as TG and HDL-c correlate with the prevalence of CKD. PMID- 29224025 TI - Alterations in Adiposity and Glucose Homeostasis in Adult Gasp-1 Overexpressing Mice. AB - BACKGROUND/AIMS: Myostatin is known as a powerful negative regulator of muscle growth playing a key role in skeletal muscle homeostasis. Recent studies revealed that myostatin-deficient mice lead to an increase of insulin sensitivity, a decrease of adiposity and a resistance to obesity, showing that myostatin can also impact on metabolism. Thus, myostatin appeared as a potential therapeutic target to treat insulin resistance. METHODS: We generated transgenic mice overexpressing Gasp-1, a myostatin inhibitor. RESULTS: Surprisingly, we found that these mice gained weight with age due to an increase in fat mass associated with ectopic fat accumulation. In addition, these mice developed an adipocyte hypertrophy, hyperglycemia, hyperinsulinemia, muscle and hepatic insulin resistance. Understanding the molecular networks controlling this insulin resistance responsiveness in overexpressing Gasp-1 mice is essential. Molecular analyses revealed a deregulation of adipokines and muscle cytokines expression, but also an increase in plasma myostatin levels. The increase in myostatin bioactivity by a positive feedback mechanism in the Tg(Gasp-1) transgenic mice could lead to this combination of phenotypes. CONCLUSION: Altogether, these data suggested that overexpressing Gasp-1 mice develop most of the symptoms associated with metabolic syndrome and could be a relevant model for the study of obesity or type 2 diabetes. PMID- 29224026 TI - Heminephrectomy in Adults: A Systematic Review with Cumulative Analysis. AB - INTRODUCTION: Duplex collecting system of the kidney is a relatively common abnormality, with the majority of symptomatic cases discovered in childhood. Treatment is commonly a heminephrectomy of the affected moiety. We aimed to conduct a systematic review of the literature to provide the best available evidence for heminephrectomy for duplex kidneys in the adult population. MATERIALS AND METHODS: A literature search was conducted in September 2017 with no limitations being placed on language, region, date or publication type. Data were represented numerically and analysed cumulatively. RESULTS: Seven retrospective studies with 66 patients were included. Of which, 56/66 operations were performed laparoscopically, 5/66 were robot-assisted and 5/66 were open procedures. Complete resolution of symptoms was reported in 53/55 (96.4%) of patients in five studies providing outcome data. Of the 6 studies reporting complications, there were a total of 9 complications (9/62, 14.5%), however 5 of these were found to be in one study alone. CONCLUSIONS: This review emphasises the scarcity of evidence for heminephrectomy in adults. Nonetheless, it has been shown that this operation may be effective in alleviating patients' symptoms in addition to being safe in experienced hands. PMID- 29224029 TI - Lasers, Lights, and Energy Devices: State of the Art; Introduction. PMID- 29224028 TI - ATP Binding Cassette Subfamily A Member 2 (ABCA2) Expression and Methylation are Associated with Alzheimer's Disease. AB - BACKGROUND ABCA2 has been genetically linked to Alzheimer's disease (AD) risk, but its mRNA expression and epigenetics in AD have not been investigated. MATERIAL AND METHODS To explore the diagnosis value of ABCA2 mRNA expression in AD, 2 datasets GES15222 and GSE33000 containing expression profile of brain cortex tissues and 2 datasets GSE63063 (Cohort 1) and GSE63063 (Cohort 2) containing expression profile of blood were downloaded from the NCBI GEO database and analyzed by receiver operating characteristic curve (ROC) analyses and logistic regression. The ABCA2 co-expressed genes were also analyzed by GO annotation to investigate the potential molecular mechanisms. RESULTS The analyses results suggested ABCA2 mRNA expression was upregulated significantly in AD compared with controls in all datasets. ROC analysis suggested that ABCA2 was associated with AD in all datasets, which were also proved by univariate and multivariate analyses. Next, the dataset GSE80970 containing methylation profiles of prefrontal cortex tissues from AD patients were downloaded and analyzed. Methylation of 2 of 36 CpG islands in ABCA2 gene with high diagnostic accuracy of AD from controls in ROC analyses were found to be negatively associated with AD risk in univariate analysis. One was still associated with AD risk after adjustment of confounding factors. Additional analyses indicated that ACBA2 mRNA expression could be used to diagnose mild cognitive impairment (MCI) and Huntington's disease (HD) from controls and to distinguish HD from AD, but not AD from MCI. Furthermore, the genes involved in AD during ABCA2 alteration were analyzed by GO analysis. CONCLUSIONS ABCA2 mRNA expression and methylation is associated AD risk. ABCA2 may be used as a biomarker for AD diagnosis and may be a potential therapeutic target of AD. PMID- 29224027 TI - A Clinical Scoring System for Diagnosis of Ocular Demodicosis. AB - BACKGROUND Demodex may cause chronic and refractory blepharitis with associated ocular surface problems, and its diagnosis and treatment can be quite challenging. In this study, our aim was to assess the efficacy of tea tree oil in Demodex treatment on caucasian patients in an industrialized region of Turkey, and to develop a systematic scoring system for extremely accurate diagnosis in the absence of advanced facilities. MATERIAL AND METHODS Charts of 412 patients with blepharitis were reviewed. A group of 39 out of 412 cases were identified as chronic and treatment-refractory, and therefore were enrolled in this study. Eyelashes from each of the lower and upper eyelids of both eyes were evaluated at *40 and *100 magnification using light microscopy. Treatment was started with 4% tea tree oil eyelid gel and 10% eyelash shampoo. Symptoms and findings were scored according to the most common complaints. RESULTS The mean age of the patients was 54.1+/-15.4 years. Seventeen (43.5%) patients were male and 22 (56.5%) patients were female. In 30 out of the 39 patients (76.9%) D. folliculorum was detected. Symptoms disappeared in 25 patients. The mean score of patients who were Demodex-negative was 2.7+/-1.0, and the mean score of patients who were Demodex-positive was 3.8+/-1.6 (p=0.047). Ninety-four percent of those with a score of 4 and over were found to be Demodex-positive (p=0.025). CONCLUSIONS Treatment with tea tree oil can be successful. If there is no facility to identify Demodex under light microscopy, we recommend starting treatment for patients who have scores of 4 and over using the scoring chart developed in this study. PMID- 29224030 TI - Advances in fractional technology for skin rejuvenation, skin tightening, drug delivery, and treating scars and skin defects. AB - The development of fractional photothermolysis has revolutionized the treatment of skin scarring, rejuvenation, and tightening. By creating targeted microthermal zones and leaving surrounding tissue intact, this concept has provided the field with efficacious results, with less downtime and a better safety profile. This has started to change the paradigm of what is considered first-line treatment for scarring and rejuvenation. While originally applied to nonablative lasers, fractionation has now been employed in ablative, quality-switched, picosecond, and novel hybrid fractional lasers. Furthermore, other energy-based technologies, such as radiofrequency, have adopted the concept of fractionation in an attempt to optimize the balance of efficacy, downtime, and side effects. Herein, we describe how the ever-expanding repertoire of fractional devices is applied to the treatment of scarring, skin rejuvenation, and tightening. In addition, newer applications, such as transdermal drug delivery, are being developed by using fractional devices. Growing experience with these devices has broadened their relevance to more skin types and body sites than ever. Ultimately, the knowledge of appropriate treatment parameters is paramount and allows for the safe and effective treatment of a variety of patients with numerous devices. PMID- 29224031 TI - Short-pulsed laser for the treatment of tattoos, pigmented lesions, scars and rejuvenation. AB - This review describes the use of picosecond lasers for the treatment of tattoos, pigmented lesions, scars, and their use in rejuvenation. These devices have delivered enhanced efficacy for the treatment of tattoos and pigmented lesions when compared to the older 40-50 nanosecond devices. The fractional delivery with the picosecond devices have opened up a new method of rejuvenation for photodamaged skin and the treatment of scars. The delivery of these high-energy short pulses have created zones of injury in the skin referred to as areas of laser-induced optical breakdown. These areas of damage appear to produce cytokines and chemokines which result in epidermal and dermal repair and remodeling. The dual use of these devices with the flat and the fractional optics have made these devices useful in many ways that have been unanticipated. PMID- 29224032 TI - Microneedling: a new approach for treating textural abnormalities and scars. AB - Microneedling is a minimally invasive procedure wherein small holes are created across the stratum corneum while keeping the epidermis partially intact. This produces microchannels that increase skin permeability and simultaneously stimulate growth factor release. Since the epidermis is retained, microneedling has less risk of infection, postinflammatory hyperpigmentation, and scarring compared to other resurfacing modalities. This is a review of the literature on microneedling in the treatment of textural abnormalities, specifically rhytides, scars, and striae. PMID- 29224033 TI - Noninvasive approach to treatment of submental fullness. AB - A recent survey done by the American Society for Dermatologic Surgery indicated that 67% of respondents were bothered by "excess fat under the chin/neck." Accumulation of fat in the preplatysmal compartment of the neck is a common cause for fullness in the submental area. In the past, surgical liposuction was the only option to remove fat in the submental area. Although effective, liposuction does have risks and downtime. Recently, noninvasive options for treatment of submental fat have been introduced. These include treatment with deoxycholic acid, known as Kybella(r), and cryolipolysis using the CoolMiniTM handpiece. Both of these treatments offer less downtime fewer potential risks than the surgical counterpart. This article summarizes these two procedures and describes noninvasive approaches to treatment of submental fat. PMID- 29224034 TI - Noninvasive body contouring. AB - In a society where stigma surrounds cosmetic procedures and yet a thin and sculpted physique is idealized, noninvasive body contouring satisfies the demand to reduce excess and undesired body fat in areas that persist despite exercise and diet. Numerous devices are available to meet this need; however, choosing the "perfect" device is challenging because the science and data are often limited with variable results. In this paper, we review 7 US Food and Drug Administration approved noninvasive body contouring therapies in hopes of providing some clarity to this area. PMID- 29224035 TI - Cellulite: a review of pathogenesis-directed therapy. AB - Cellulite is a condition that affects the majority of postpubertal women and can negatively impact quality of life. This review discusses several proposed pathophysiologies of cellulite, and examines treatment options that have been utilized, focusing on the etiologic factor targeted by the therapies. This approach aims to help clarify the pathogenesis of cellulite and provide a road map for developing effective treatment paradigms for patients. PMID- 29224036 TI - Laser advances in the treatment of burn and traumatic scars. AB - The realm of scar management is constantly changing. Many factors need to be considered when developing a comprehensive treatment plan, including the nature of the scar and the patient. Scar characteristics can be divided by color, scar type and thickness, and body location. Topical and intralesional agents and light and laserbased treatments can be used to revitalize and restore damaged skin in atrophic and hypertrophic scars. The most commonly used lasers are the pulsed-dye laser (PDL) and fractional lasers. Ideally, a combination approach using topical and intralesional medications along with pulsed-dye laser and a fractional laser should be considered in all patients wishing to undergo treatment of their hypertrophic and atrophic scars. Keloidal scars tend to be resistant to standard therapy so other modalities should be considered. PMID- 29224037 TI - Opportunities for laser-assisted drug delivery in the treatment of cutaneous disorders. AB - Fractional laser-assisted drug delivery (LADD) is increasingly finding its way into clinical practice as a new means to enhance topical drug uptake and improve treatment of cutaneous disorders. To date, LADD has been used for a wide range of conditions, including photodamaged skin, neoplastic lesions, scars, cutaneous infections, and vitiligo as well as for topical anesthetic and aesthetic procedures. Substantiated by randomized controlled clinical trials, strong evidence is available for LADD's usefulness for photodynamic therapy (PDT), for which improved efficacy using laser-assisted photosensitizer treatment is established for actinic keratosis compared with conventional PDT. Over time, the modality has undergone increasing refinement and offers the potential advantages of reduced treatment durations, shortened incubation times, and the replacement of cumbersome, patient-dependent treatment regimens with quick, in-office procedures. Notwithstanding, LADD is still a new enhancement technique, and risks of both local and systemic adverse events are insufficiently explored. With conscientious development, however, LADD promises to improve existing regimens and make new pharmacological treatments a reality for a wide range of cutaneous disorders. PMID- 29224038 TI - Skin tightening-does it really exist? AB - Skin tightening is one of the cornerstones of skin rejuvenation and is defined as the improvement of skin laxity and crepiness of the skin. There are several energy-based devices that can produce significant skin tightening without surgery, both on and off the face. The mechanisms of skin tightening involve collagen denaturation resulting in collagen shrinkage and tissue tightening, and the wound healing response that generates new collagen and elastin. These hypothesized mechanisms of skin contraction leading to clinical skin tightening have been derived from histological, immunohistochemical, and electron microscope analysis, as well as in vitro and in vivo experiments. This review is aimed at evaluating and analyzing the literature on the proposed mechanisms for skin tightening by minimally invasive energy-based technologies. PMID- 29224039 TI - State-of-the-art lasers and light treatments for vascular lesions: from red faces to vascular malformations. AB - Notable milestones in the treatment of vascular lesions have been achieved over the past century. Many cutaneous vascular lesions can be successfully treated with lightbased devices. In this review, we will discuss the treatment of port wine birthmarks, lymphatic malformations, infantile hemangiomas, rosacea, venous lakes, pyogenic granulomas, cherry angiomas, and angiofibromas using lasers, total reflection amplification of spontaneous emission of radiation, intense pulsed light, and photodynamic therapy. In addition, for several of these diagnoses, we will review medical therapies that can be combined with light-based devices to provide enhanced results. PMID- 29224040 TI - Treatment of auditory hallucinations with bilateral theta burst stimulation (cTBS): protocol of a randomized, double-blind, placebo-controlled, multicenter trial. AB - : Auditory verbal hallucinations (AH) are core symptoms of schizophrenia. They are often severely distressing and refractory to therapy. Their perception is associated with increased activity in temporoparietal areas of the brain. Repetitive transcranial magnetic stimulation (rTMS) can reduce focal brain hyperactivity and has been shown to ameliorate AH. However, controlled multicenter clinical trials are still missing, effect sizes are moderate, and the treatment with rTMS is time consuming. Continuous theta burst stimulation (cTBS) is a quicker and potentially more effective technique to reduce cortical hyperactivity. First case and pilot studies indicate effectiveness in the treatment of AH. In this randomized, sham-controlled, double-blind multicenter clinical trial, 86 patients with schizophrenia spectrum disorder will be randomized to either cTBS or sham to the left and right temporoparietal cortex during three consecutive weeks (15 sessions totally). In each session, both hemispheres will be stimulated sequentially. The order in the first session (left right or right-left, respectively) will be determined by randomization and alternated in all following sessions. Primary outcome is the reduction of mean PSYRATS-AH score after cTBS as compared to sham treatment. Follow-up measurements will be performed 1, 3 and 6 months after the end of the treatment. Statistical analysis will be based on the intention-to-treat population including all randomized patients using an analysis of covariance. This multicenter-controlled clinical trial will be able to provide decisive evidence for the efficacy of cTBS in the treatment of AH. The results will be suitable to clarify the role of this innovative, pathophysiology-based therapeutic approach in treatment guidelines for AH. TRIAL REGISTRY: ClinicalTrials.gov identifier: NCT02670291. PMID- 29224041 TI - Identifying and monitoring neurons that undergo metamorphosis-regulated cell death (metamorphoptosis) by a neuron-specific caspase sensor (Casor) in Drosophila melanogaster. AB - Activation of caspases is an essential step toward initiating apoptotic cell death. During metamorphosis of Drosophila melanogaster, many larval neurons are programmed for elimination to establish an adult central nervous system (CNS) as well as peripheral nervous system (PNS). However, their neuronal functions have remained mostly unknown due to the lack of proper tools to identify them. To obtain detailed information about the neurochemical phenotypes of the doomed larval neurons and their timing of death, we generated a new GFP-based caspase sensor (Casor) that is designed to change its subcellular position from the cell membrane to the nucleus following proteolytic cleavage by active caspases. Ectopic expression of Casor in vCrz and bursicon, two different peptidergic neuronal groups that had been well-characterized for their metamorphic programmed cell death, showed clear nuclear translocation of Casor in a caspase-dependent manner before their death. We found similar events in some cholinergic neurons from both CNS and PNS. Moreover, Casor also reported significant caspase activities in the ventral and dorsal common excitatory larval motoneurons shortly after puparium formation. These motoneurons were previously unknown for their apoptotic fate. Unlike the events seen in the neurons, expression of Casor in non neuronal cell types, such as glial cells and S2 cells, resulted in the formation of cytoplasmic aggregates, preventing its use as a caspase sensor in these cell types. Nonetheless, our results support Casor as a valuable molecular tool not only for identifying novel groups of neurons that become caspase-active during metamorphosis but also for monitoring developmental timing and cytological changes within the dying neurons. PMID- 29224042 TI - Association between continuous positive airway pressure and serum aminotransferases in patients with obstructive sleep apnea. AB - INTRODUCTION: Obstructive sleep apnea (OSA) has been suggested to be a potential contributing factor for nonalcoholic fatty liver disease (NAFLD). Studies on the association between continuous positive airway pressure (CPAP) and NAFLD in OSA patients are limited and controversial. OBJECTIVES: The aim of this study was to assess the relationship between OSA and NAFLD and the effect of CPAP therapy on serum aminotransferase levels in OSA patients. METHODS: A total of 160 consecutive patients who underwent standard polysomnography were enrolled. Blood samples were obtained in the morning after sleep for biological profile measurements. Non-invasive ultrasound techniques were used to assess liver steatosis and fibrosis. Within the OSA group, serum aminotransferases were detected before and after CPAP treatment. RESULTS: Alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyltransferase, and liver steatosis score increased significantly with an increase in OSA severity. Stepwise multiple regression with liver steatosis score, ALT, AST as dependent variable, respectively, apnea-hypopnea index (beta = 0.447, p = 0.020; beta = 0.266, p = 0.001; beta = 0.351, p = 0.020, respectively) significantly predicted the liver steatosis score, ALT, AST after adjustment for confounders. After 3 months of CPAP treatment, there was a significant decrease in both ALT (54.20 +/- 24.34 vs. 46.52 +/- 24.95, p = 0.000) and AST (31.82 +/- 8.91 vs. 29.00 +/- 8.34, p = 0.039). CONCLUSIONS: OSA severity was independently associated with liver steatosis and elevation of serum aminotransferases. 3 months of CPAP therapy were associated with a statistically significant improvement on liver injury in OSA patients. PMID- 29224043 TI - Identification of human papillomavirus (HPV) subtype in oral cancer patients through microarray technology. AB - PURPOSE: Human papilloma virus (HPV) is the main source of cervical cancer. Many recent studies have revealed the prevalence and prognosis of HPV associated with oropharyngeal squamous cell carcinoma, but fewer reports have evaluated HPV in oral squamous cell carcinoma (OSCC). The purpose of this study was to determine the prevalence and prognosis of HPV associated with OSCC according to HPV and tumor types. MATERIALS AND METHODS: We used a DNA chip kit (MY-HPV chip kit (r), Mygene Co., Korea) to detect high-risk HPV subtypes (16, 18, 31, 33, 35, 39, 45, 51, 52, 54, 56, 58) and low-risk subtypes (6, 11, 34, 40, 42, 43, 44) among 187 patients. The prevalence was determined by Chi-square and Fisher's exact tests, and the prognosis was calculated by the Kaplan-Meier method and the log-rank test. RESULTS: The overall prevalence of HPV in OSCC was 7.0% for all HPV positives and 4.3% for high-risk HPV positives. The prevalence of HPV was significantly higher in individuals under 65 years old and in those with tumors in the tongue and gum regions. The prognosis did not differ between the HPV positive and -negative groups. Although the prevalence of HPV-positive cases in OSCC was low (7.0, 4.3%) and the prognosis did not depend on HPV positivity, HPV associated OSCC should be considered in the evaluation and treatment of oral cancer patients. In addition, separating high- and low-risk groups based on the HPV status of other body parts might not be appropriate. DISCUSSION: The DNA microarray method can accurately detect known HPV subtypes simultaneously, but has limitations in detecting new subtypes. Vaccines can also be used to prevent HPV-associated OSCC in patients, so further studies on the prognosis and efficacy of vaccines should be undertaken. PMID- 29224044 TI - Pattern of care and impact of prognostic factors on the outcome of head and neck extramedullary plasmacytoma: a systematic review and individual patient data analysis of 315 cases. AB - INTRODUCTION: Head and neck extramedullary plasmacytoma is a rare localized plasma cell neoplasm. We intended to perform this review of the published literature to assess the demographic profile, pattern of care and survival outcomes. METHODS: Two authors independently searched PubMed, Google search and Cochrane library for eligible studies from 1950 till July 1, 2016, published in English language. RESULTS: Median age of the cohort was 57 years (range 11-85). Site-wise distributions were paranasal sinuses 22.3% (70), nasal cavity 17.5% (55), nasopharynx 10.8% (34). Median size of SEMP was 3 cm (range 0.3-12 cm). Treatment distribution was radiotherapy (RT) in 52% (164), surgery (S) 19% (60), chemotherapy (C) 5% (16), S + RT 23.49% (74),CRT 1.9% (6), S + C 0.6% (2), S + RT + C 0.95% (3).Radiation was used as a modality in 78.4%(247), surgery in 44.1%(139), chemotherapy in 4.8%(15). Median radiation dose used was 45 Gy with range 20-61 Gy. Median overall survival (OS) was 40 months (range 0.5-298). Median local progression-free survival was 36 months (range 0-298). Median myeloma relapse-free survival was 36 months (range 0.5-298). Five- and 10-year OS was 78.33 and 68.61%. Five-year cause-specific survival (CSS) and 10-year CSS was 90.15 and 83.31%. Five-year LPFS was 94.78%, and 10-year LPFS was 88.43%. Five year myeloma progression-free survival was 84.46%, and 10-year myeloma PFS was 80.44%. The factors associated with risk of local relapse were site of disease (sinonasal), secretory EMP, type of treatment received (surgery + RT > RT alone > surgery on univariate analysis). Risk factors for myeloma relapse were coexisting diseases, site of disease (sinonasal), bony erosion, size of lesion > 5 cm and type of treatment received on univariate analysis. CONCLUSION: Our study shows that combined modality S + RT is superior compared to uni-modality in preventing local recurrence. Radiation dose of 45 Gy is optimal. Nodal irradiation has no impact on local recurrence. PMID- 29224045 TI - Association of Adolescent- and Caregiver-Reported Antiretroviral Therapy Adherence with HIV Viral Load Among Perinatally-infected South African Adolescents. AB - Accurate measurement of antiretroviral therapy (ART) adherence remains challenging and there are few data assessing the validity of self-reported adherence among perinatally HIV-infected adolescents. We examined adolescent and caregiver reports of adolescent adherence among perinatally-infected adolescents aged 9-14 years in Cape Town, South Africa, and explored factors that may modify associations between reported adherence and elevated viral load (VL). Among 474 adolescents (median age 12.0 years; median duration of ART use 7.5 years), elevated VL and caregiver- and adolescent-report of missed ART doses were common. Elevated VL was particularly prevalent among older, male adolescents. Low moderate concordance was observed between caregiver and adolescent report. Among adolescents aged >= 12 years, caregiver- and adolescent-reported adherence was associated with elevated VL across most items assessed, but few significant associations were observed among adolescents < 12 years of age. Refined adherence measures and tools to identify adolescents who require adherence interventions are needed in this context. PMID- 29224046 TI - Impacts and Policy Implications of Metals Effluent Discharge into Rivers within Industrial Zones: A Sub-Saharan Perspective from Ethiopia. AB - Kombolcha, a city in Ethiopia, exemplifies the challenges and problems of the sub Saharan countries where industrialization is growing fast but monitoring resources are poor and information on pollution unknown. This study monitored metals Cr, Cu, Zn, and Pb concentrations in five factories' effluents, and in the effluent mixing zones of two rivers receiving discharges during the rainy seasons of 2013 and 2014. The results indicate that median concentrations of Cr in the tannery effluents and Zn in the steel processing effluents were as high as 26,600 and 155,750 ug/L, respectively, much exceeding both the USEPA and Ethiopian emission guidelines. Cu concentrations were low in all effluents. Pb concentrations were high in the tannery effluent, but did not exceed emission guidelines. As expected, no metal emission guidelines were exceeded for the brewery, textile and meat processing effluents. Median Cr and Zn concentrations in the Leyole river in the effluent mixing zones downstream of the tannery and steel processing plant increased by factors of 52 (2660 compared with 51 ug Cr/L) and 5 (520 compared with 110 ug Zn/L), respectively, compared with stations further upstream. This poses substantial ecological risks downstream. Comparison with emission guidelines indicates poor environmental management by industries and regulating institutions. Despite appropriate legislation, no clear measures have yet been taken to control industrial discharges, with apparent mismatch between environmental enforcement and investment policies. Effluent management, treatment technologies and operational capacity of environmental institutions were identified as key improvement areas to adopt progressive sustainable development. PMID- 29224047 TI - Magnetic resonance imaging of cardiovascular thrombi in children. AB - Cardiovascular thrombosis is rare in children and usually occurs in the presence of predisposing conditions, such as indwelling vascular catheters, tumors, aneurysms, ventricular dysfunction, or after surgery. Clots can occur in the cardiac chambers, arteries or veins, or inside conduits. Detection of thrombi is feasible with a variety of magnetic resonance imaging (MRI) techniques, including unenhanced methods but also contrast-enhanced MR angiography. In this essay we illustrate the MRI appearance of cardiovascular thrombosis in children and suggest an imaging protocol based on our clinical experience. PMID- 29224048 TI - Comparison between whole-body and head and neck neurovascular coils for 3-T magnetic resonance proton resonance frequency shift thermography guidance in the head and neck region. AB - The purpose of this study is to compare the image quality of magnetic resonance (MR) treatment planning images and proton resonance frequency (PRF) shift thermography images and inform coil selection for MR-guided laser ablation of tumors in the head and neck region. Laser ablation was performed on an agar phantom and monitored via MR PRF shift thermography on a 3-T scanner, following acquisition of T1-weighted (T1W) planning images. PRF shift thermography images and T2-weighted (T2W) planning images were also performed in the neck region of five normal human volunteers. Signal-to-noise ratios (SNR) and temperature uncertainty were calculated and compared between scans acquired with the quadrature mode body integrated coil and a head and neck neurovascular coil. T1W planning images of the agar phantom produced SNRs of 4.0 and 12.2 for the quadrature mode body integrated coil and head and neck neurovascular coil, respectively. The SNR of the phantom MR thermography magnitude images obtained using the quadrature mode body integrated coil was 14.4 versus 59.6 using the head and neck coil. The average temperature uncertainty for MR thermography performed on the phantom with the quadrature mode body integrated coil was 1.1 versus 0.3 degrees C with the head and neck coil. T2W planning images of the neck in five human volunteers produced SNRs of 28.3 and 91.0 for the quadrature mode body integrated coil and head and neck coil, respectively. MR thermography magnitude images of the neck in the volunteers obtained using the quadrature mode body integrated coil had a signal-to-noise ratio of 8.3, while the SNR using the head and neck coil was 16.1. The average temperature uncertainty for MR thermography performed on the volunteers with the body coil was 2.5 versus 1.6 degrees C with the head and neck neurovascular coil. The quadrature mode body integrated coil provides inferior image quality for both basic treatment planning sequences and MR PRF shift thermography compared with a neurovascular coil, but may nevertheless be adequate for clinical purposes. PMID- 29224049 TI - Enchondromatosis-associated oligodendroglioma: case report and literature review. AB - Enchondromatosis is a rare skeletal disorder characterized by the development of multiple enchondromas, which can also manifest non-cartilage tumors including gliomas. Here, we describe a genetic analysis of a low-grade glioma that developed in an enchondromatosis case. A 32-year-old man with a long history of enchondromatosis developed a left frontal tumor. The histopathological findings of his surgical specimen revealed characteristics of a low-grade glioma with an IDH1 c.395G>A (R132H) mutation and 1p/19q codeletion, which led to a definitive diagnosis of oligodendroglioma. A common point mutation in IDH1 (R132H) was detected in the patient's enchondroma and glioma-matched pair specimens. To the best of our knowledge, this is the first case of molecularly confirmed oligodendroglioma associated with enchondromatosis. Furthermore, identification of a common IDH1 mutation in enchondroma and oligodendroglioma-matched pair specimens supports the hypothesis that IDH1/2 mosaicism initiates tumorigenesis. PMID- 29224050 TI - MALDI Imaging Combined with Laser Microdissection-Based Microproteomics for Protein Identification: Application to Intratumor Heterogeneity Studies. AB - Matrix-assisted laser desorption ionization (MALDI) imaging is widely used for in situ proteomic mapping and finds multiple applications in pathology. However, low fragmentation yields in MALDI avoid an optimal identification of peptides from tissues. On the other hand, LMD-based microproteomic analyses allow for the identification of hundreds to thousands of proteins from small tissue regions. Herein, we present the combination of MALDI imaging and LMD-based microproteomic approaches for parallel identification. We illustrate the workflow with an application to intratumor heterogeneity studies. PMID- 29224051 TI - Quercetin Protects Yeast Saccharomyces cerevisiae pep4 Mutant from Oxidative and Apoptotic Stress and Extends Chronological Lifespan. AB - The yeast Saccharomyces cerevisiae PEP4 gene encodes vacuolar endopeptidase proteinase A (Pep4p), which is a homolog of the human CTSD gene that encodes cathepsin D. Mutation of CTSD gene in human resulted in a number of neurodegenerative diseases. In this study, we have shown that yeast pep4 mutant cells are highly sensitive to oxidative and apoptotic stress induced by hydrogen peroxide and acetic acid, respectively. pep4? cells also showed accumulation of reactive oxygen species (ROS), apoptotic markers, and reduced chronological lifespan. In contrast, quercetin pretreatment protected the pep4 mutant from oxidative and apoptotic stress-induced sensitivity by scavenging ROS and reducing apoptotic markers. The percentage viability of quercetin-treated pep4? cells was more pronounced and increased stress resistance against oxidant, apoptotic, and heat stress during chronological aging. From our experimental results, we concluded that quercetin protects yeast pep4 mutant cells from oxidative stress and apoptosis, thereby increasing viability during chronological aging. PMID- 29224052 TI - Arterial input function in a dedicated slice for cerebral perfusion measurements in humans. AB - OBJECT: We aimed to modify our previously published method for arterial input function measurements for evaluation of cerebral perfusion (dynamic susceptibility contrast MRI) such that it can be applied in humans in a clinical setting. MATERIALS AND METHODS: Similarly to our previous work, a conventional measurement sequence for dynamic susceptibility contrast MRI is extended with an additional measurement slice at the neck. Measurement parameters at this slice were optimized for the blood signal (short echo time, background suppression, magnitude and phase images). Phase-based evaluation of the signal in the carotid arteries is used to obtain quantitative arterial input functions. RESULTS: In all pilot measurements, quantitative arterial input functions were obtained. The resulting absolute perfusion parameters agree well with literature values (gray and white matter mean values of 46 and 24 mL/100 g/min, respectively, for cerebral blood flow and 3.0% and 1.6%, respectively, for cerebral blood volume). CONCLUSIONS: The proposed method has the potential to quantify arterial input functions in the carotid arteries from a direct measurement without any additional normalization. PMID- 29224053 TI - Spontaneous bacteremia and spontaneous bacterial peritonitis share similar prognosis in patients with cirrhosis: a cohort study. AB - BACKGROUND AND AIMS: Spontaneous bacteremia is a poorly characterized infection in patients with cirrhosis. We compared the incidence of mortality and acute kidney injury in patients with spontaneous bacterial peritonitis and spontaneous bacteremia, and identified risk factors for mortality and acute kidney injury in patients with spontaneous bacteremia. METHODS: We performed a retrospective cohort study of patients with cirrhosis and spontaneous bacteremia or spontaneous bacterial peritonitis from 2008 to 2016 at Hospital Italiano, Buenos Aires. We compared the cumulative incidence of acute kidney injury and death between the two infections, and identified risk factors for these outcomes in patients with spontaneous bacteremia. RESULTS: Seventy-one patients with spontaneous bacteremia and 55 patients with spontaneous bacterial peritonitis were included. Most infections were nosocomial. Overall, 26% of bacteria were resistant and 11% multi resistant. We found no significant association between acute kidney injury [subhazard ratio (sHR) 1.05 (95% confidence interval, CI 0.67-1.63, p = 0.83)] or death [sHR 1.15 (95% CI 0.60-2.20, p = 0.68)] and type of spontaneous infection in multivariate analyses adjusting for basal Model for End-Stage Liver Disease (MELD) score. In patients with spontaneous bacteremia, baseline MELD score was independently associated with acute kidney injury [sHR 1.07 (95% CI 1.03-1.11, p = 0.001)] and death [sHR 1.07 (95% CI 1.02-1.15, p = 0.03)]. CONCLUSIONS: Short term acute kidney injury and mortality rates were similar in patients with spontaneous bacteremia and spontaneous bacterial peritonitis. Risk assessment of patients with spontaneous bacteremia can be performed with baseline MELD score. PMID- 29224054 TI - Lesion characteristics and procedural outcomes of re-attempted percutaneous coronary interventions for chronic total occlusion. AB - This study was performed to investigate lesion characteristics and procedural outcomes of re-attempted percutaneous coronary intervention (PCI) for chronic total occlusion (CTO). Prior failure of percutaneous revascularization of CTO has been identified as an independent predictor of failure at subsequent attempts. However, procedural outcomes of re-attempted PCI for CTO have not been elucidated. We evaluated lesion characteristics and procedural outcomes in 310 consecutive patients undergoing CTO-PCI, and compared the results between re attempted (n = 59) and initial procedures (n = 251). Overall, 266 CTO lesions (85.8%) were treated successfully. In addition, the technical success rate in the re-attempted CTO lesions was 69.5% (41 of 59), although this was lower than for initially attempted lesions (89.6%, 225 of 251; P = 0.0021). In the details of reasons of previous failures, treatment devices failed to cross even after guidewire cross and procedure discontinuation due to management of complications achieved higher rates of technical success compared to those with the inability of guidewire crossing in re-attempted CTO-PCI (87.5 and 85.7 vs. 65.9%, respectively). CTO lesions in which PCI was re-attempted had more complex features, including calcification, tortuous morphology, and long lesion length, whereas patient demographics were similar. Re-attempted CTO lesions required complex procedures, including the retrograde approach (55.9 vs. 13.9%, P < 0.001), longer fluoroscopic time, and larger radiation dose. Meanwhile, rates of complications and in-hospital MACCE were similarly low in both groups. The technical success rates of re-attempted CTO-PCI lesions were acceptable. Furthermore, CTO-PCIs in re-attempted lesions were as safe as initially attempted CTO-PCI. However, re-attempted CTO-PCI lesions showed features of high anatomical complexity that required more complex and longer procedures, including the retrograde approach, for successful interventional revascularization. Re attempted CTO-PCI due to treatment devices failed to cross even after guidewire cross and procedure discontinuation due to management of complications in previous attempt had higher success rates that those with the inability of guidewire crossing. PMID- 29224055 TI - Peri-operative antibiotic treatment of bacteriuria reduces early deep surgical site infections in geriatric patients with proximal femur fracture. AB - PURPOSE: The aim of this study was to conduct a re-evaluation of current strategies for peri-operative prophylaxis of infections in orthopaedic surgery of geriatric patients (>=65 years) with proximal femoral fractures (PFF). METHODS: Between 01/2010 and 08/2014 all post-operative infections after stabilization of PFF of 1,089 geriatric patients were recorded retrospectively. All patients pre operatively received a single dose of 1.5 g cefuroxime (group 1). These were compared to prospectively determined post-operative rates of surgical site infection (SSI) of 441 geriatric patients, which were operated on between 09/2014 and 03/2017 due to PFF. In this second group we investigated the urinary tract on admission. Bacteriuria was treated with the pre-operative single dose of 1.5 g cefuroxime along with ciprofloxacin for five days, beginning on admission. Level of significance was set to p < 0.05. RESULTS: A total of 141 patients of group 2 had a bacteriuria. Seventy-seven of these patients revealed biochemical signs of manifest urinary tract infection. Multi-resistant pathogens were found in 15 patients and pathogens were cefuroxime-resistant in 37. The differences of SSI after at least three months were 2.1% in group 1 and 0.45% in group 2 for all patients with surgery of PFF (p < 0.02) and for those with arthroplasty (p < 0.037) significant. CONCLUSIONS: The immediate antibiotic therapy of a prevalent bacteriuria for five days decreases the risk of SSI after surgery of PFF. Our single-centre study can only point out the problem of prevalent reservoirs of pathogens and the need for treatment. Evidence-based therapy concepts (indications of antibiotics, classes, duration) have to be developed in multi centric and prospective studies. PMID- 29224056 TI - A 5-year multicenter prospective cohort study on the long-term visual prognosis and predictive factors for visual outcome in Japanese patients with age-related macular degeneration: the AMD2000 study. AB - PURPOSE: In this study (AMD2000), we aimed to determine the visual prognosis of Japanese patients with age-related macular degeneration (AMD). METHODS: This was a multicenter prospective observational cohort study. In total, 460 patients with AMD were recruited from April 2006 to March 2009 from 18 clinical trial sites in Japan. They were followed up for 5 years, as they continued to receive medical treatment. RESULTS: Of the 409 study eyes followed up for at least 1 year, 243 eyes (59.4%) were treated with photodynamic therapy (PDT) using verteporfin, and 58 eyes (14.2%) were treated with intravitreal injections of antivascular endothelial growth factor agents as the initial treatment. The mean best corrected visual acuities (BCVA) for typical AMD (tAMD; 0.688 +/- 0.498) and polypoidal choroidal vasculopathy (PCV; 0.451 +/- 0.395) were significantly less at 2 years (tAMD, 0.779 +/- 0.632, P < 0.05; PCV, 0.534 +/- 0.618, P < 0.05) and at 5 years (AMD, 0.873 +/- 0.718, P < 0.05; PCV, 0.635 +/- 0.668, P < 0.05) than at baseline. In eyes with tAMD, absence of blocked fluorescence was associated with 5-year maintenance of the baseline BCVA. Regarding PCV, the presence of polypoidal lesions and cystoid macular edema as well as the lesion size was associated with 5-year maintenance of the baseline BCVA. In some patients, the diagnosis changed: of the 192 eyes initially diagnosed with typical AMD, 19 were newly diagnosed with PCV during follow-up. CONCLUSION: Maintaining the baseline BCVA over the long term is difficult in Japanese eyes with wet AMD. PMID- 29224057 TI - Identifying factors associated with need for flexible ureteroscope repair: a Western Endourology STone (WEST) research consortium prospective cohort study. AB - Maintenance of flexible ureteroscopes can involve high costs and administrative burden. Instrument fragility necessitates eventual repair, rendering scopes inaccessible during refurbishment. We conducted a multi-institutional prospective cohort study to identify perioperative factors influencing flexible ureteroscope durability. Patients undergoing flexible ureteroscopy (URS) at six United States endourology centers were enrolled between August 2014 and June 2015. Surgeon self reported concern and satisfaction with scope performance as well as upward and downward angles of deflection for each scope tip were measured before and after each procedure. The need for scope repair was determined by the operating surgeon at the time of the procedure and recorded. 424 URS cases using 74 flexible ureteroscopes were identified. Scope repair was required in 28 cases (6.6%) involving 26 scopes (35.1%). Upon univariate analysis, shorter patient height, absence of guidewire use, presence of a ureteral access sheath (UAS), longer procedure time, larger stone size, lithotrite type, surgeon training level, and self-reported concern were associated with scope repair. Upon multivariate analysis, UAS use (OR = 2.53, p = 0.005) and degree loss of scope upward flexion during a case (OR = 1.02, p = 0.03) increased the odds of a scope needing repair while the use of safety guidewire decreased the odds of a scope repair (OR = 0.50, p = 0.045). Lithotrite use and surgeon concern were associated with degree loss of scope upward flexion. The use of a UAS, absence of a safety guidewire, and the loss of upward ureteroscope flexion should be considered when evaluating means of optimizing reusable ureteroscope durability. PMID- 29224058 TI - Systematic assessment and characterization of chronic pain in multiple sclerosis patients. AB - Pain is one of the most disabling clinical symptoms in patients with multiple sclerosis (MS). Several studies have already assessed the prevalence of pain in MS patients, reporting variable results, probably due to methodological differences. The aim of this single-centre cross-sectional study was to define the prevalence and characteristics of chronic pain in a population of MS patients using validated tools, and to analyse these data in relation to demographic and clinical features, including disease duration and disability (EDSS and its single functional system scores). Of 397 enrolled patients, 23 were excluded due to a Beck's Depression Inventory Score > 19. In the remaining 374 patients, the overall prevalence of chronic pain was 52.1%, most frequently affecting the lower limbs (36.9%). Neuropathic pain was the most frequent type of chronic pain (89 patients, overall prevalence of 23.7%) and was associated with a sensory functional system involvement. Pain intensity was significantly higher in patients with neuropathic pain as opposed to patients with non-neuropathic pain. Patients with chronic pain and, in particular, patients with neuropathic pain had significantly higher EDSS scores than those without pain. Only 24% of patients with chronic pain and 33% of patients with neuropathic pain were on a specific long-lasting treatment for pain. The present study supports the routine assessment of neuropathic pain in MS patients, especially in those with a sensory functional system involvement, in order to avoid underdiagnosing and undertreating a potentially disabling condition. PMID- 29224059 TI - Lower complication rate and faster return to sports in patients with acute syndesmotic rupture treated with a new knotless suture button device. AB - PURPOSE: Suture button devices for tibiofibular syndesmosis injuries provide semirigid dynamic stabilization, but complications including knot irritation have been reported. No randomized trials of the new knotless suture button devices have been performed. We hypothesized that knotless suture button devices eliminate knot irritation and facilitate quicker return to sports. This study was performed to compare the clinical outcomes, complication rates, and time to return to sports between a new knotless suture button device and syndesmotic screw fixation. METHODS: This study included 54 patients treated for ankle syndesmotic injury from 2012 to 2014 with a knotless suture button device or syndesmotic screw fixation. Clinical outcomes were measured using the American Orthopaedics Foot and Ankle Society score, Foot and Ankle Disability Index, Olerud and Molander score, and visual analog scale for pain and function. Secondary outcome measures were the complication rate and time required to return to sports. Patients underwent clinical and radiological evaluations preoperatively and three times during the 1-year postoperative follow-up. RESULTS: 54 of 62 eligible patients were analyzed, median age 37 (18-60) and underwent the 1-year follow-up. The screw fixation and knotless suture button groups comprised 26 and 28 patients, respectively. The complication rate was significantly lower (p = 0.03) and time to return to sports was significantly shorter in the knotless suture button than screw fixation group (average, 14 versus 19 weeks, respectively; p = 0.006). No significant differences were identified in clinical outcomes or visual analog scale scores for pain and function between the groups. Age, injury mechanism, and body mass index did not significantly affect the time required to return to sports activities. The type of fixation was the only independent variable that reached statistical significance (p = 0.006). CONCLUSION: Syndesmotic screw fixation and the new knotless suture button device both resulted in good clinical results. Lower complication rate and the earlier time to return to sports make the new knotless suture button device recommendable especially for highly active patients. LEVEL OF EVIDENCE: Randomized controlled trial, Level I. PMID- 29224060 TI - Differences between osteoradionecrosis and medication-related osteonecrosis of the jaw. AB - PURPOSE: The appearance of osteoradionecrosis (ORN) and medication-related osteonecrosis of the jaw (MRONJ) is similar, but clinically important differences between ORN and MRONJ exist. The aim of this study was to compare the clinical data between ORN and MRONJ and to reveal the critical differences between these diseases. METHODS: We retrospectively reviewed the epidemiological data, clinical findings, and treatment in 27 ORN and 61 MRONJ patients. Radiographic signs before the initiation of treatment were also assessed. RESULTS: The median age (P = 0.0474) and the ratio of female to male patients (P < 0.0001) were significantly higher in MRONJ patients. There were significantly more MRONJ patients who reported a history of pain when compared with ORN patients (P = 0.0263). As an aetiological factor, tooth extraction was significantly more relevant to MRONJ than ORN (P = 0.0352). When assessing the radiographic signs on computed tomographic images, periosteal reaction was found only in MRONJ patients (P = 0.0158). Minimal debridement was performed significantly more frequently for MRONJ (P = 0.0093), and by contrast, surgical resection was performed more frequently for ORN (P = 0.0002). CONCLUSIONS: Understanding the clinical and underlying pathological differences between ORN and MRONJ probably contributes to the selection of appropriate treatment for each patient. PMID- 29224061 TI - Cyclic fatigue and torsional strength of three different thermally treated reciprocating nickel-titanium instruments. AB - OBJECTIVES: The aim of this study was to evaluate the cyclic and torsional fatigue resistance of the reciprocating single-file systems Reciproc Blue 25.08 (VDW GmbH, Munich, Germany), Prodesign R 25.06 (Easy Dental Equipment, Belo Horizonte, Brazil), and WaveOne Gold 25.07 (Dentsply/Tulsa Dental Specialties, Tulsa, OK, USA). MATERIALS AND METHODS: Sixty reciprocating instruments of the systems Reciproc Blue R25 (RB #25 .08 taper), Prodesign R (PDR #25 .06 taper), and WaveOne Gold (WOG #25 .07 taper) (n = 20) were used. Cyclic fatigue resistance testing was performed by measuring the time to failure in an artificial stainless steel canal with a 60 degrees angle of curvature and a 5-mm radius located 5 mm from the tip (n = 10). The torsional test (ISO 3630-1) evaluated the torque and angle of rotation at failure of new instruments (n = 10) in the portion 3 mm from the tip. The fractured surface of each fragment was also observed using scanning electron microscopy (SEM). In addition, a supplementary examination was performed to measure the cross-sectional area of each instrument 3 and 5 mm from the tip. The data were analyzed using one-way ANOVA and Tukey's test, and the level of significance was set at 5%. RESULTS: The cyclic fatigue resistance values of PDR 25.06 were significantly higher (P < 0.05). RB 25.08 showed higher fatigue resistance than WOG 25.07 (P < 0.05). The torsional test showed that PDR 25.06 had lower torsional strength (P < 0.05). No differences were observed between RB 25.08 and WOG 25.07 (P > 0.05). PDR 25.06 showed higher angular rotation values than RB 25.08 and WOG 25.07 (P < 0.05). RB 25.08 presented higher angular rotation than WOG 25.07 (P < 0.05). The cross-sectional area analysis showed that PDR 25.06 presented the smallest cross-sectional areas at 3 and 5 mm from the tip (P < 0.05). CONCLUSION: PDR 25.06 presented the highest cyclic fatigue resistance and angular rotation until fracture compared to RB 25.08 and WOG 25.07. In addition, RB 25.08 and WOG 25.07 had higher torsional strength than PDR 25.06. CLINICAL RELEVANCE: In endodontic practice, thermally treated reciprocating instruments have been used for the root canal preparation of curved and constricted canals; therefore, these instruments should present high flexibility and suitable torsional strength to minimize the risk of instrument fracture. PMID- 29224062 TI - Relationship between caries experience and demarcated hypomineralised lesions (including MIH) in the permanent dentition of 15-year-olds. AB - OBJECTIVE: This cross-sectional study compared the caries experience in 15-year olds with and without demarcated hypomineralised lesions (DHL) in permanent teeth. MATERIAL AND METHODS: One thousand three hundred and two 15-year-old adolescents from two ongoing birth cohorts (GINIplus15 and LISAplus15) were examined to determine non-cavitated carious lesions (NCCL) and the DMF index. Furthermore, DHL was scored on all permanent teeth/surfaces according to the molar-incisor hypomineralisation criteria of the European Academy of Paediatric Dentistry (MIH/EAPD). Adolescents with DHL were categorised into those with a minimum of one DHL in the permanent dentition (DHL >= 1), with DHL on at least one first permanent molar (MIH/EAPD) and with DHL on at least one first permanent molar and permanent incisor (MIH/Severe). The study was conducted in the metropolitan area of Munich. RESULTS: The proportion of children without caries amounted to 63.7% (DMF > 0) and 26.0% (D1-4MF > 0); the caries experience was mean = 4.0(SD = 5.2) NCCL/T and 0.9(1.7) DMF/T. Existence of DHL >= 1, MIH/EAPD and MIH/Severe was detected in 40.2, 17.2 and 9.8% of all adolescents, respectively. The corresponding DMF/T values were: no DHL 0.9(1.7); DHL >= 1 1.0(1.7); MIH/EAPD 1.1(1.6); MIH/Severe 1.1(1.7). The group of adolescents with MIH/EAPD and MIH/Severe were found to have statistically higher caries rates in comparison to those with no DHL. CONCLUSIONS: Caries and DHL are prevalent and influenced the dental health of 15-year-old adolescents. A significant positive association existed between the presence of caries and DHL. CLINICAL RELEVANCE: Children with MIH/EAPD or MIH/Severe had a higher probability to develop carious lesions in the permanent dentition. PMID- 29224063 TI - An efficient scheme for mental task classification utilizing reflection coefficients obtained from autocorrelation function of EEG signal. AB - Classification of different mental tasks using electroencephalogram (EEG) signal plays an imperative part in various brain-computer interface (BCI) applications. In the design of BCI systems, features extracted from lower frequency bands of scalp-recorded EEG signals are generally considered to classify mental tasks and higher frequency bands are mostly ignored as noise. However, in this paper, it is demonstrated that high frequency components of EEG signal can provide accommodating data for enhancing the classification performance of the mental task-based BCI. Instead of using autoregressive (AR) parameters considering AR modeling of EEG data, reflection coefficients obtained from EEG signal are proposed as potential features. From a given frame of EEG data, reflection coefficients are directly extracted by using the autocorrelation values in a recursive fashion, which avoids matrix inversion and computation of AR parameters. Use of reflection coefficients not only provides an effective feature vector for EEG signal classification but also offers very low computational burden. Support vector machine classifier is deployed in leave-one-out cross validation manner to carry out classification process. Extensive simulation is done on an openly accessible dataset containing five different mental tasks. It is found that the proposed scheme can classify mental tasks with a very high level of accuracy as well as low time complexity in contrast with some of the existing strategies. PMID- 29224064 TI - An Integrated Polysome Profiling and Ribosome Profiling Method to Investigate In Vivo Translatome. AB - Recent advances in global translatome analysis technologies enable us to understand how translational regulation of gene expression modulates cellular functions. In this chapter, we present an integrated method to measure various aspects of translatome by polysome profiling and ribosome profiling using purified B cells. We standardized our protocols to directly compare the results from these two approaches. Parallel assessment of translatome with these two approaches can generate a comprehensive picture on how translational regulation determines protein output. PMID- 29224065 TI - Measuring Nascent Transcripts by Nascent-seq. AB - A complete understanding of transcription and co-transcriptional RNA processing events by polymerase requires precise and robust approaches to visualize polymerase progress and quantify nascent transcripts on a genome-wide scale. Here, we present a transcriptome-wide method to measure the level of nascent transcribing RNA in a fast and unbiased manner. PMID- 29224066 TI - Genome-Wide Copy Number Alteration Detection in Preimplantation Genetic Diagnosis. AB - Shallow whole genome sequencing has recently been introduced for genome-wide detection of chromosomal copy number alterations (CNAs) in preimplantation genetic diagnosis (PGD), using only 4-7 trophectoderm cells biopsied from day-5 embryos. This chapter describes the complete method, starting from whole genome amplification (WGA) on isolated blastomere(s), up to data analysis for CNA detection. The process is described generically and can also be used to perform CNA analysis on a limited number of cells (down to a single cell) in other applications. This unique description also includes some tips and tricks to increase the chance of success. PMID- 29224067 TI - Multiplexed Targeted Sequencing for Oxford Nanopore MinION: A Detailed Library Preparation Procedure. AB - MinION is a small form factor sequencer recently retailed by Oxford Nanopore technologies. This lighter-sized USB3.0-interfaced device uses innovative nanotechnology to generate extra-long reads from libraries prepared using only standard molecular biology lab equipment. The flexibility and the portability of the platform makes it ideal for point-of-interest and real-time surveillance applications. However, MinION's limited capacity is not enough for the study of specific targets within larger genomes. Apart from just PCR-amplifying regions of interest, the capture of long reads spanning the edges of known-unknown genomic regions is of great importance for structural studies, such as the identification of mobile elements' integrations sites, bridging over low complexity repetitive regions etc.In this study, using MinION-kit-included and commercially available reagents, we have developed an easy and versatile wet-lab procedure for the targeted enrichment of MinION libraries, capturing DNA fragments of interest before the ligation of the sensitive MinION sequencing-adapters. This method allows for simultaneous target-enrichment and barcode-multiplexing of up to 12 libraries, which can be loaded in the same sequencing run. PMID- 29224068 TI - Hi-Plex for Simple, Accurate, and Cost-Effective Amplicon-based Targeted DNA Sequencing. AB - Hi-Plex is a suite of methods to enable simple, accurate, and cost-effective highly multiplex PCR-based targeted sequencing (Nguyen-Dumont et al., Biotechniques 58:33-36, 2015). At its core is the principle of using gene specific primers (GSPs) to "seed" (or target) the reaction and universal primers to "drive" the majority of the reaction. In this manner, effects on amplification efficiencies across the target amplicons can, to a large extent, be restricted to early seeding cycles. Product sizes are defined within a relatively narrow range to enable high-specificity size selection, replication uniformity across target sites (including in the context of fragmented input DNA such as that derived from fixed tumor specimens (Nguyen-Dumont et al., Biotechniques 55:69-74, 2013; Nguyen Dumont et al., Anal Biochem 470:48-51, 2015), and application of high-specificity genetic variant calling algorithms (Pope et al., Source Code Biol Med 9:3, 2014; Park et al., BMC Bioinformatics 17:165, 2016). Hi-Plex offers a streamlined workflow that is suitable for testing large numbers of specimens without the need for automation. PMID- 29224069 TI - ClickSeq: Replacing Fragmentation and Enzymatic Ligation with Click-Chemistry to Prevent Sequence Chimeras. AB - We recently reported a fragmentation-free method for the synthesis of Next Generation Sequencing libraries called "ClickSeq" that uses biorthogonal click chemistry in place of enzymes for the ligation of sequencing adaptors. We found that this approach dramatically reduces artifactual chimera formation, allowing the study of rare recombination events that include viral replication intermediates and defective-interfering viral RNAs. ClickSeq illustrates how robust, bio-orthogonal chemistry can be harnessed in vitro to capture and dissect complex biological processes. Here, we describe an updated protocol for the synthesis of "ClickSeq" libraries. PMID- 29224070 TI - Genome-Wide Analysis of DNA Methylation in Single Cells Using a Post-bisulfite Adapter Tagging Approach. AB - DNA methylation is an epigenetic mark implicated in the regulation of key biological processes. Using high-throughput sequencing technologies and bisulfite based approaches, it is possible to obtain comprehensive genome-wide maps of the mammalian DNA methylation landscape with a single-nucleotide resolution and absolute quantification. However, these methods were only applicable to bulk populations of cells. Here, we present a protocol to perform whole-genome bisulfite sequencing on single cells (scBS-Seq) using a post-bisulfite adapter tagging approach. In this method, bisulfite treatment is performed prior to library generation in order to both convert unmethylated cytosines and fragment DNA to an appropriate size. Then DNA fragments are pre-amplified with concomitant integration of the sequencing adapters, and libraries are subsequently amplified and indexed by PCR. Using scBS-Seq we can accurately measure DNA methylation at up to 50% of individual CpG sites and 70% of CpG islands. PMID- 29224071 TI - Sequencing of Genomes from Environmental Single Cells. AB - Sequencing of single bacterial and archaeal cells is an important methodology that provides access to the genetic makeup of uncultivated microorganisms. We here describe the high-throughput fluorescence-activated cell sorting-based isolation of single cells from the environment, their lysis and strand displacement-mediated whole genome amplification. We further outline 16S rRNA gene sequence-based screening of single-cell amplification products, their preparation for Illumina sequencing libraries, and finally propose computational methods for read and contig level quality control of the resulting sequence data. PMID- 29224072 TI - SNP Discovery from Single and Multiplex Genome Assemblies of Non-model Organisms. AB - Population genetic studies of non-model organisms often rely on initial ascertainment of genetic markers from a single individual or a small pool of individuals. This initial screening has been a significant barrier to beginning population studies on non-model organisms (Aitken et al., Mol Ecol 13:1423-1431, 2004; Morin et al., Trends Ecol Evol 19:208-216, 2004). As genomic data become increasingly available for non-model species, SNP ascertainment from across the genome can be performed directly from published genome contigs and short-read archive data. Alternatively, low to medium genome coverage from shotgun NGS library sequencing of single or pooled samples, or from reduced-representation libraries (e.g., capture enrichment; see Ref. "Hancock-Hanser et al., Mol Ecol Resour 13:254-268, 2013") can produce sufficient new data for SNP discovery with limited investment. We describe protocols for assembly of short read data to reference or related species genome contig sequences, followed by SNP discovery and filtering to obtain an optimal set of SNPs for population genotyping using a variety of downstream high-throughput genotyping methods. PMID- 29224073 TI - CleanTag Adapters Improve Small RNA Next-Generation Sequencing Library Preparation by Reducing Adapter Dimers. AB - Next-generation small RNA sequencing is a valuable tool which is increasing our knowledge regarding small noncoding RNAs and their function in regulating genetic information. Library preparation protocols for small RNA have thus far been restricted due to higher RNA input requirements (>10 ng), long workflows, and tedious manual gel purifications. Small RNA library preparation methods focus largely on the prevention or depletion of a side product known as adapter dimer that tends to dominate the reaction. Adapter dimer is the ligation of two adapters to one another without an intervening library RNA insert or any useful sequencing information. The amplification of this side reaction is favored over the amplification of tagged library since it is shorter. The small size discrepancy between these two species makes separation and purification of the tagged library very difficult. Adapter dimer hinders the use of low input samples and the ability to automate the workflow so we introduce an improved library preparation protocol which uses chemically modified adapters (CleanTag) to significantly reduce the adapter dimer. CleanTag small RNA library preparation workflow decreases adapter dimer to allow for ultra-low input samples (down to approx. 10 pg total RNA), elimination of the gel purification step, and automation. We demonstrate how to carry out this streamlined protocol to improve NGS data quality and allow for the use of sample types with limited RNA material. PMID- 29224074 TI - Sampling, Extraction, and High-Throughput Sequencing Methods for Environmental Microbial and Viral Communities. AB - The emergence of high-throughput sequencing technologies has deepened our understanding of complex microbial communities and greatly facilitated the study of as-yet uncultured microbes and viruses. Studies of complex microbial communities require high-quality data to generate valid results. Here, we detail current methods of microbial and viral community sample acquisition, DNA extraction, sample preparation, and sequencing on Illumina high-throughput platforms. While using appropriate analytical tools is important, it must not overshadow the need for establishing a proper experimental design and obtaining sufficient numbers of samples for statistical purposes. Researchers must also take care to sample biologically relevant sites and control for potential confounding factors (e.g., contamination). PMID- 29224075 TI - A Bloody Primer: Analysis of RNA-Seq from Tissue Admixtures. AB - RNA sequencing is a powerful technology that allows for unbiased profiling of the entire transcriptome. The analysis of transcriptome profiles from heterogeneous tissues, cell admixtures with relative proportions that can vary several fold across samples, poses a significant challenge. Blood is perhaps the most egregious example. Here, we describe in detail a computational pipeline for RNA Seq data preparation and statistical analysis, with development of a means of estimating the cell type composition of blood samples from their bulk RNA-Seq profiles. We also illustrate the importance of adjusting for the potential confounding effect of cellular heterogeneity in the context of statistical inference in a whole blood RNA-Seq dataset. PMID- 29224076 TI - Next-Generation Sequencing of Genome-Wide CRISPR Screens. AB - Genome-wide functional genomic screens utilizing the clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 system have proven to be a powerful tool for systematic genomic perturbation in mammalian cells and provide an alternative to previous screens utilizing RNA interference technology. The wide availability of these libraries through public plasmid repositories as well as the decreasing cost and speed in quantifying these screens using high throughput next-generation sequencing (NGS) allows for the adoption of the technology in a variety of laboratories interested in diverse biologic questions. Here, we describe the protocol to generate next-generation sequencing libraries from genome-wide CRISPR genomic screens. PMID- 29224077 TI - Gene Profiling and T Cell Receptor Sequencing from Antigen-Specific CD4 T Cells. AB - The paucity of pathogenic T cells in circulating blood limits the information delivered by bulk analysis. Toward diagnosis and monitoring of treatments of autoimmune diseases, we have devised single-cell analysis approaches capable of identifying and characterizing rare circulating CD4 T cells. PMID- 29224078 TI - Investigate Global Chromosomal Interaction by Hi-C in Human Naive CD4 T Cells. AB - Hi-C is a methodology developed to reveal chromosomal interactions from a genome wide perspective. Here, we described a protocol for generating Hi-C sequencing libraries in resting and activated human naive CD4 T cells to investigate activation-induced chromatin structure re-arrangement in T cell activation followed by a section reviewing the general concepts of Hi-C data analysis. PMID- 29224079 TI - Primer Extension, Capture, and On-Bead cDNA Ligation: An Efficient RNAseq Library Prep Method for Determining Reverse Transcription Termination Sites. AB - In this chapter, we describe a method for making Illumina-compatible sequencing libraries from RNA. This protocol can be used for standard RNAseq analysis for detecting differentially expressed genes. In addition, this protocol is ideally suited for adapting to RIPseq, 5'-RACE, RNA structural probing, nascent RNA sequencing, and other protocols where polymerase termination sites need to be profiled. The utilization of solid-phase bead chemistries facilitates simple workflow and efficient library yields. PMID- 29224081 TI - Electrochemical Applications in Metal Bioleaching. AB - Biohydrometallurgy comprises the recovery of metals by biologically catalyzed metal dissolution from solids in an aqueous solution. The application of this kind of bioprocessing is described as "biomining," referring to either bioleaching or biooxidation of sulfide metal ores. Acidophilic iron- and sulfur oxidizing microorganisms are the key to successful biomining. However, minerals such as primary copper sulfides are recalcitrant to dissolution, which is probably due to their semiconductivity or passivation effects, resulting in low reaction rates. Thus, further improvements of the bioleaching process are recommendable. Mineral sulfide dissolution is based on redox reactions and can be accomplished by electrochemical technologies. The impact of electrochemistry on biohydrometallurgy affects processing as well as analytics. Electroanalysis is still the most widely used electrochemical application in mineralogical research. Electrochemical processing can contribute to bioleaching in two ways. The first approach is the coupling of a mineral sulfide to a galvanic partner or electrocatalyst (spontaneous electron transfer). This approach requires only low energy consumption and takes place without technical installations by the addition of higher redox potential minerals (mostly pyrite), carbonic material, or electrocatalytic ions (mostly silver ions). Consequently, the processed mineral (often chalcopyrite) is preferentially dissolved. The second approach is the application of electrolytic bioreactors (controlled electron transfer). The electrochemical regulation of electrolyte properties by such reactors has found most consideration. It implies the regulation of ferrous and ferric ion ratios, which further results in optimized solution redox potential, less passivation effects, and promotion of microbial activity. However, many questions remain open and it is recommended that reactor and electrode designs are improved, with the aim of finding options for simplified biohydrometallurgical processing. This chapter focuses on metal sulfide dissolution via bioleaching and does not include other biohydrometallurgical processes such as microbial metal recovery from solution. PMID- 29224080 TI - Anemia and Iron Status Among Different Body Size Phenotypes in Chinese Adult Population: a Nation-Wide, Health and Nutrition Survey. AB - Previous studies have shown that there is a controversial relationship between iron homeostasis and obesity. This study aims to explore the relationship of anemia and iron status with different body size phenotypes in adult Chinese population. Using information on iron status-related parameters and lifestyle data from 8462 participants of the 2009 wave of China Health and Nutrition Survey (2009 CHNS), we performed multivariable logistic regression analyses to estimate the odds ratios (ORs) for the risk of anemia and iron parameters according to different body size phenotypes. Participants with higher body mass index (BMI) had a lower anemia prevalence with significant trends in both metabolic status groups (P < 0.001). Serum ferritin, transferrin, and soluble transferrin receptor (sTfR)/log ferritin index were significant in different metabolic status groups and in different body size phenotypes, respectively. The ORs for higher ferritin and transferrin increased across different body size phenotypes in both genders, and for sTfR/log ferritin index decreased (P < 0.01 for trend). This association was still statistically significant after adjustment for multiple confounders. We found an inverse association of BMI levels with the prevalence of anemia and strong association of serum ferritin and transferrin with higher risk of obesity or overweight in both metabolic status groups. PMID- 29224082 TI - Generating Electric Current by Bioartificial Photosynthesis. AB - Abundant solar energy can be a sustainable source of energy. This chapter highlights recent advancements, challenges, and future scenarios in bioartificial photosynthesis, which is a new subset of bioelectrochemical systems (BESs) and technologies. BES technologies exploit the catalytic interactions between biological moieties and electrodes. At the nexus of BES and photovoltaics, this review focuses on light-harvesting technologies based on bioartificial photosynthesis. Such technologies are promising because electrical energy is generated from sunlight and water without the need for additional organic feedstock. This review focuses on photosynthetic electron generation and transfer and compares the current status of bioartificial photosynthesis with other artificial systems that mimic the chemistry of photosynthetic energy transformation.The fundamental principles and the operation of functional units of bioartificial photosynthesis are addressed. Selected photobioelectrochemical systems employed to obtain light-driven electric currents from photosynthetic organisms are presented. The achievable current output and theoretical maxima are revisited by conceptualizing operational and process window techniques. Factors affecting overall photocurrent efficiency, performance limitations, and scaleup bottlenecks are highlighted in view of enhancing the energy conversion efficiency of photobioelectrochemical systems. To finish, the challenges associated with bioartificial photosynthetic technologies are outlined. Graphical Abstract Operational window for (bio-)artificial photosynthesis. Green circle in the upper right corner: development objective for research and engineering efforts. PMID- 29224083 TI - Electron Transfer Between Enzymes and Electrodes. AB - Efficient electron transfer between redox enzymes and electrocatalytic surfaces plays a significant role in development of novel energy conversion devices as well as novel reactors for production of commodities and fine chemicals. Major application examples are related to enzymatic fuel cells and electroenzymatic reactors, as well as enzymatic biosensors. The two former applications are still at the level of proof-of-concept, partly due to the low efficiency and obstacles to electron transfer between enzymes and electrodes. This chapter discusses the theoretical backgrounds of enzyme/electrode interactions, including the main mechanisms of electron transfer, as well as thermodynamic and kinetic aspects. Additionally, the main electrochemical methods of study are described for selected examples. Finally, some recent advancements in the preparation of enzyme modified electrodes as well as electrodes for soluble co-factor regeneration are reviewed. Graphical Abstract. PMID- 29224084 TI - Bipolar dual-lead spinal cord stimulation between two electrodes on the ventral and dorsal sides of the spinal cord: consideration of putative mechanisms. AB - We have applied bipolar dual-lead spinal cord stimulation (SCS) between two cylinder-type electrodes placed on the ventral and dorsal sides of the spinal cord (dual-VD-SCS). A 36-year-old man suffered from burning pain from his right elbow down to his hand after brachial plexus avulsion. The areas with paresthesia induced by conventional SCS did not include the painful hand area. However, dual VD-SCS completely induced paresthesia in the painful hand area. We speculate that dual-VD-SCS can be applied to stimulate deeper sites of the dorsal column and dorsal horn than conventional SCS and is useful for pain reduction. PMID- 29224085 TI - Aphasia and cognitive impairment decrease the reliability of rnTMS language mapping. AB - BACKGROUND: Navigated transcranial magnetic stimulation (nTMS) is a non-invasive mapping tool to locate functional areas of the brain. While gaining importance in the preoperative planning process in motor eloquent regions, its usefulness for reliably identifying language areas is still being discussed. The aim of this study was to identify biometric factors which might influence and therefore bias the results of repetitive nTMS (rnTMS) over cortex areas relevant for language. METHOD: We included data of 101 patients with language eloquent brain lesions who underwent preoperative rnTMS examination bihemispherically. Prior to rnTMS mapping, all patients performed two to three baseline runs of a picture-naming paradigm without stimulation, and only promptly and correctly named objects were retained for TMS mapping. Nine biometric factors (age, gender, baseline dataset, cognitive performance score, aphasia score, histology of lesion, affected hemisphere, location of lesion on the hemisphere, pain caused by examination) were included in the statistical analysis measuring their correlation with the incidence of errors during baseline naming as well as during rnTMS mapping. RESULTS: The incidence of baseline errors correlated with aphasia (p < 0.0001) and cognitive impairment (p < 0.0001). No significant correlation was observed between most biometric factors and errors during rnTMS mapping. Factors significantly affecting the incidence of errors during rnTMS mapping were again aphasia (p < 0.023) and cognitive impairment (p < 0.038). Patients affected by those factors showed a significantly higher baseline error rate, starting at 28% error rate. CONCLUSIONS: Patients with pre-existing aphasia or severe cognitive impairment did still make significantly more mistakes during rnTMS mapping than non-aphasic patients despite baseline stratification, rendering the question of whether the procedure is reliable in those patient groups. Baseline testing revealed a cut-off point at 28% error rate. Interestingly, age or pain (caused by the examination) did not bias the results. PMID- 29224086 TI - Role of NLRP3 inflammasome in the pathogenesis of cardiovascular diseases. AB - NLRP3 inflammasome is a key multiprotein signaling platform that tightly controls inflammatory responses and coordinates antimicrobial host defenses by activating caspase-1 for the subsequent maturation of pro-inflammatory cytokines, IL-1beta and IL-18, and induces pyroptosis. The assembly and activation of NLRP3 inflammasome are linked to the pathogenesis of several cardiovascular disease risk factors, such as hypertension and diabetes, and their major consequences myocardial remodeling. The study of the NLRP3 inflammasome in these cardiovascular disease states may uncover important triggers and endogenous modulators of the disease, and lead to new treatment strategies. This review outlines current insights into NLRP3 inflammasome research associated with cardiovascular diseases and discusses the questions that remain in this field. PMID- 29224087 TI - Epidemiology of Gender Differences in Diabetes and Obesity. AB - Some aspects of glucose homeostasis and energy balance are regulated differently in males and females. This review discusses the most fundamental gender differences in diabetes and obesity, including the prevalence of impaired fasting glucose and impaired glucose tolerance, the prevalence and incidence of type 2 and type 1 diabetes, as well as the prevalence of metabolic syndrome and obesity. These gender-specific differences in glucose homeostasis and energy balance represent a source of factors that should be studied to develop gender-based therapeutic avenues for diabetes. PMID- 29224088 TI - Sex Differences in Body Composition. AB - Body composition differs between men and women. Men have more lean mass, and women have more fat mass than men. Men are more likely to accumulate adipose tissue around the trunk and abdomen, whereas women usually accumulate adipose tissue around the hips and thighs. Less is known about sex differences in ectopic fat depots. Advances in imaging allow the noninvasive assessment of abdominal and femorogluteal fat compartments, intramyocellular lipids, intrahepatic lipids, pericardial adipose tissue, and neck adipose tissue including brown adipose tissue and tongue adipose tissue. In this review, sex differences of regional adipose tissue, muscle mass, ectopic lipids, and brown adipose tissue and their effects on cardiometabolic risk will be discussed. In addition, novel imaging techniques to quantify these body composition compartments noninvasively will be described. PMID- 29224089 TI - Cellular Mechanisms Driving Sex Differences in Adipose Tissue Biology and Body Shape in Humans and Mouse Models. AB - Sex differences in adipose tissue distribution and the metabolic, endocrine, and immune functions of different anatomical fat depots have been described, but they are incompletely documented in the literature. It is becoming increasingly clear that adipose depots serve distinct functions in males and females and have specific physiological roles. However, the mechanisms that regulate the size and function of specific adipose tissues in men and women remain poorly understood. New insights from mouse models have advanced our understanding of depot differences in adipose growth and remodeling via the proliferation and differentiation of adipose progenitors that can expand adipocyte number in the tissue or simply replace dysfunctional older and larger adipocytes. A limited ability of a depot to expand or remodel can lead to excessive adipocyte hypertrophy, which is often correlated with metabolic dysfunction. However, the relationship of adipocyte size and function varies by depot and sex. For example, femoral adipose tissues of premenopausal women appear to have a greater capacity for adipose expansion via hyperplasia and hypertrophy; although larger, these gluteal-femoral adipocytes remain insulin sensitive. The microenvironment of specific depots, including the composition of the extracellular matrix and cellular composition, as well as cell-autonomous genetic differences, influences sex- and depot-dependent metabolic and growth properties. Although there are some species differences, studies of the molecular and physiological determinants of sex differences in adipocyte growth and function in humans and rodents are both needed for understanding sex differences in health and disease. PMID- 29224090 TI - Men Are from Mars, Women Are from Venus: Sex Differences in Insulin Action and Secretion. AB - Sex difference plays a substantial role in the regulation of glucose metabolism in healthy glucose-tolerant humans. The factors which may contribute to the sex related differences in glucose metabolism include differences in lifestyle (diet and exercise), sex hormones, and body composition. Several epidemiological and observational studies have noted that impaired glucose tolerance is more common in women than men. Some of these studies have attributed this to differences in body composition, while others have attributed impaired insulin sensitivity as a cause of impaired glucose tolerance in women. We studied postprandial glucose metabolism in 120 men and 90 women after ingestion of a mixed meal. Rates of meal glucose appearance, endogenous glucose production, and glucose disappearance were calculated using a novel triple-tracer isotope dilution method. Insulin action and secretion were calculated using validated physiological models. While rate of meal glucose appearance was higher in women than men, rates of glucose disappearance were higher in elderly women than elderly men while young women had lower rates of glucose disappearance than young men. Hence, sex has an impact on postprandial glucose metabolism, and sex differences in carbohydrate metabolism may have important implications for approaches to prevent and manage diabetes in an individual. PMID- 29224091 TI - The Role of Sex and Sex Hormones in Regulating Obesity-Induced Inflammation. AB - Metabolic and non-metabolic complications due to obesity are becoming more prevalent, yet our understanding of the mechanisms driving these is not. This is due to individual risk factor variability making it difficult to predict disease outcomes such as diabetes and insulin resistance. Gender is a critical factor in obesity outcomes with women having more adiposity but reduced metabolic complications compared to men. The role of immune system activation during obesity is an emerging field that links adiposity to metabolic syndrome. Furthermore, evidence from animal models suggests that sex differences exist in immune responses and, therefore, could be a possible mechanism leading to sex differences in metabolic disease. While there is still much to learn in the area of sex-differences research, this chapter will review the current knowledge and literature detailing the role of sex and sex hormones on adiposity and metabolically induced inflammation in obesity. PMID- 29224092 TI - Sex Differences in Leptin Control of Cardiovascular Function in Health and Metabolic Diseases. AB - Leptin, the adipocyte-derived hormone identified in 1994 for its major role in the control of satiety and body weight regulation, is an adipokine secreted in a sex-specific manner. Although it has clearly been established that females secrete three to four times more leptin than males and that this sexual dimorphism in leptin secretion is exacerbated with overweight and obesity, the origin and the physiological consequences of this sexual dimorphism remain ill defined. The adipose tissue is the major site of leptin secretion; however, leptin receptors are ubiquitously expressed, conferring to leptin, and indirectly to the adipose tissue, a potential role in the control of numerous physiological functions. Besides its major role in the control of food intake and energy expenditure, leptin has been shown to contribute to the control of immune, bone, reproductive, and cardiovascular functions. The goal of the present chapter is to review and discuss the current knowledge on the contribution of leptin to the control of cardiovascular function while focusing on the impact of the sexual dimorphism in leptin secretion and of the pathological increases in leptin levels induced by overweight and obesity. PMID- 29224093 TI - Sex Effects at the Ramparts: Nutrient- and Microbe-Mediated Regulation of the Immune-Metabolic Interface. AB - The relationships between dietary compounds, derivative metabolites, and host metabolism and immunity are controlled by diverse molecular mechanisms. Essential contributions to these dynamics come from the community of microbes (the microbiome) inhabiting the human digestive tract. The composition and function of the microbiome are shaped by available nutrients, and reciprocally, these organisms produce an as yet poorly defined repertoire of molecules that communicate with the epithelial barrier and the mucosal immune system. We present evidence that diet-derived vitamins and lipids regulate immunity and metabolic function and highlight the diverse mechanisms through which these effects are impacted by sex. We discuss exciting new data emerging from studies using high throughput sequencing technology, specialized mouse models, and bio-specimens, and clinical data from human subjects that have begun to reveal the complexity of these interactions. Also profiled in this chapter are the striking sex differences in pathways by which dietary nutrients and gut microbes modify metabolism, immunity, and immune- and inflammation-mediated diseases. Although the incidence, severity, and therapeutic responses of many autoimmune diseases differ by sex, the molecular mechanisms of these effects remain poorly understood. PMID- 29224094 TI - Sexual Dimorphism and Estrogen Action in Mouse Liver. AB - Recent studies have demonstrated that in mice, the estrogen receptor alpha (ERalpha) is expressed in the liver and has a direct effect on the regulation of the hepatic genes relevant for energy metabolism and drug metabolism. The sex related differential expression of the hepatic ERalpha raises the questions as to whether this receptor is responsible for the sexual differences observed in the physiopathology of the liver. PMID- 29224095 TI - Sex Differences in Muscle Wasting. AB - With aging and other muscle wasting diseases, men and women undergo similar pathological changes in skeletal muscle: increased inflammation, enhanced oxidative stress, mitochondrial dysfunction, satellite cell senescence, elevated apoptosis and proteasome activity, and suppressed protein synthesis and myocyte regeneration. Decreased food intake and physical activity also indirectly contribute to muscle wasting. Sex hormones also play important roles in maintaining skeletal muscle homeostasis. Testosterone is a potent anabolic factor promoting muscle protein synthesis and muscular regeneration. Estrogens have a protective effect on skeletal muscle by attenuating inflammation; however, the mechanisms of estrogen action in skeletal muscle are less well characterized than those of testosterone. Age- and/or disease-induced alterations in sex hormones are major contributors to muscle wasting. Hence, men and women may respond differently to catabolic conditions because of their hormonal profiles. Here we review the similarities and differences between men and women with common wasting conditions including sarcopenia and cachexia due to cancer, end-stage renal disease/chronic kidney disease, liver disease, chronic heart failure, and chronic obstructive pulmonary disease based on the literature in clinical studies. In addition, the responses in men and women to the commonly used therapeutic agents and their efficacy to improve muscle mass and function are also reviewed. PMID- 29224096 TI - Origins and Functions of the Ventrolateral VMH: A Complex Neuronal Cluster Orchestrating Sex Differences in Metabolism and Behavior. AB - The neuroendocrine brain or hypothalamus has emerged as one of the most highly sexually dimorphic brain regions in mammals, and specifically in rodents. It is not surprising that hypothalamic nuclei play a pivotal role in controlling sex dependent physiology. This brain region functions as a chief executive officer or master regulator of homeostatic physiological systems to integrate both external and internal signals. In this review, we describe sex differences in energy homeostasis that arise in one area of the hypothalamus, the ventrolateral subregion of the ventromedial hypothalamus (VMHvl) with a focus on how male and female neurons function in metabolic and behavioral aspects. Because other chapters within this book provide details on signaling pathways in the VMH that contribute to sex differences in metabolism, our discussion will be limited to how the sexually dimorphic VMHvl develops and what key regulators are thought to control the many functional and physiological endpoints attributed to this region. In the last decade, several exciting new studies using state-of-the-art genetic and molecular tools are beginning to provide some understanding as to how specific neurons contribute to the coordinated physiological responses needed by male and females. New technology that combines intersectional spatial and genetic approaches is now allowing further refinement in how we describe, probe, and manipulate critical male and female neurocircuits involved in metabolism. PMID- 29224097 TI - Menopause, Estrogens, and Glucose Homeostasis in Women. AB - Randomized trials suggest that menopausal hormone therapy (MHT) prevents type 2 diabetes. Still, the mechanisms of these antidiabetic effects are a matter of controversy. This chapter provides an analysis of epidemiological and clinical evidence and proposes a mechanism for the effect of menopause and MHT on type 2 diabetes development and prevention. It discusses the beneficial role of estradiol on glucose homeostasis that is lost at menopause and improved by MHT, which delays type 2 diabetes. This chapter aims to reconcile differences among studies of the effect of menopause and MHT formulations on type 2 diabetes and argues that discrepancies arise from physiological differences in methods used to assess glucose homeostasis. PMID- 29224099 TI - The Role of Skeletal Muscle Estrogen Receptors in Metabolic Homeostasis and Insulin Sensitivity. AB - Women in the modern era are challenged with facing menopausal symptoms as well as heightened disease risk associated with increasing adiposity and metabolic dysfunction for up to three decades of life. Treatment strategies to combat metabolic dysfunction and associated pathologies have been hampered by our lack of understanding regarding the biological causes of these clinical conditions and our incomplete understanding regarding the effects of estrogens and the tissue specific functions and molecular actions of its receptors. In this chapter we provide evidence supporting a critical and protective role for skeletal muscle estrogen receptor alpha in the maintenance of metabolic homeostasis and insulin sensitivity. Studies identifying the critical ER-regulated pathways essential for disease prevention will lay the important foundation for the rational design of novel therapeutic strategies to improve the health of women while limiting secondary complications that have plagued traditional hormone replacement interventions. PMID- 29224098 TI - Role of Estrogens in the Regulation of Liver Lipid Metabolism. AB - Before menopause, women are protected from atherosclerotic heart disease associated with obesity relative to men. Sex hormones have been proposed as a mechanism that differentiates this risk. In this review, we discuss the literature around how the endogenous sex hormones and hormone treatment approaches after menopause regulate fatty acid, triglyceride, and cholesterol metabolism to influence cardiovascular risk.The important regulatory functions of estrogen signaling pathways with regard to lipid metabolism have been in part obscured by clinical trials with hormone treatment of women after menopause, due to different formulations, routes of delivery, and pairings with progestins. Oral hormone treatment with several estrogen preparations increases VLDL triglyceride production. Progestins oppose this effect by stimulating VLDL clearance in both humans and animals. Transdermal estradiol preparations do not increase VLDL production or serum triglycerides.Many aspects of sex differences in atherosclerotic heart disease risk are influenced by the distributed actions of estrogens in the muscle, adipose, and liver. In humans, 17beta-estradiol (E2) is the predominant circulating estrogen and signals through estrogen receptor alpha (ERalpha), estrogen receptor beta (ERbeta), and G-protein-coupled estrogen receptor (GPER). Over 1000 human liver genes display a sex bias in their expression, and the top biological pathways are in lipid metabolism and genes related to cardiovascular disease. Many of these genes display variation depending on estrus cycling in the mouse. Future directions will likely rely on targeting estrogens to specific tissues or specific aspects of the signaling pathways in order to recapitulate the protective physiology of premenopause therapeutically after menopause. PMID- 29224101 TI - Estradiol Regulation of Brown Adipose Tissue Thermogenesis. AB - Physiologically, estrogens carry out a myriad of functions, the most essential being the regulation of the reproductive axis. Currently, it is also dogmatic that estrogens play an important role modulating energy balance and metabolism. In this sense, it is well known that low estrogens levels, occurring due to ovarian insufficiency, in conditions such as menopause or ovariectomy (OVX), are associated with increased food intake and decreased energy expenditure, leading to weight gain and obesity at long term. Concerning energy expenditure, the main effect of estradiol (E2) is on brown adipose tissue (BAT) thermogenesis. Thus, acting through a peripheral or a central action, E2 activates brown fat activity and increases body temperature, which is negatively associated with body weight. Centrally, the hypothalamic AMP-activated protein kinase (AMPK) mediates the E2 action on BAT thermogenesis. In this chapter, we will summarize E2 regulation of BAT thermogenesis and how this can influence energy balance and metabolism in general. PMID- 29224102 TI - Brain Estrogens and Feeding Behavior. AB - Estrogens play essential roles in suppressing food intake and preventing body weight gain. Tremendous research efforts have been focused on estrogen physiology in the context of feeding control. Estrogen receptors and the related signals have been attractive targets for development of new obesity therapies. This chapter focuses on the functional interactions between brain estrogens and other appetite-regulatory signals, the critical estrogen receptor isoforms and distinct brain regions that mediate effects of estrogens on feeding, and the intracellular signals that are involved. PMID- 29224100 TI - Estrogens and Body Weight Regulation in Men. AB - Our understanding of the metabolic roles of sex steroids in men has evolved substantially over recent decades. Whereas testosterone once was believed to contribute to metabolic risk in men, the importance of adequate androgen exposure for the maintenance of metabolic health has been demonstrated unequivocally. A growing body of evidence now also supports a critical role for estrogens in metabolic regulation in men. Recent data from clinical intervention studies indicate that estradiol may be a stronger determinant of adiposity than testosterone in men, and even short-term estradiol deprivation contributes to fat mass accrual. The following chapter will outline findings to date regarding the mechanisms, whereby estrogens contribute to the regulation of body weight and adiposity in men. It will present emergent clinical data as well as preclinical findings that reveal mechanistic insights into estrogen-mediated regulation of body composition. Findings in both males and females will be reviewed, to draw comparisons and to highlight knowledge gaps regarding estrogen action specifically in males. Finally, the clinical relevance of estrogen exposure in men will be discussed, particularly in the context of a rising global prevalence of obesity and expanding clinical use of sex steroid-based therapies in men. PMID- 29224103 TI - Sex Differences and Role of Estradiol in Hypoglycemia-Associated Counter Regulation. AB - Vital nerve cell functions, including maintenance of transmembrane voltage and information transfer, occur at high energy expense. Inadequate provision of the obligate metabolic fuel glucose exposes neurons to risk of dysfunction or injury. Clinical hypoglycemia rarely occurs in nondiabetic individuals but is an unfortunate regular occurrence in patients with type 1 or advanced insulin treated type 2 diabetes mellitus. Requisite strict glycemic control, involving treatment with insulin, sulfonylureas, or glinides, can cause frequent episodes of iatrogenic hypoglycemia due to defective counter-regulation, including reduced glycemic thresholds and diminished magnitude of motor responses. Multiple components of the body's far-reaching energy balance regulatory network, including the hindbrain dorsal vagal complex, provide dynamic readout of cellular energetic disequilibrium, signals that are utilized by the hypothalamus to shape counterregulatory autonomic, neuroendocrine, and behavioral outflow toward restoration of glucostasis. The ovarian steroid hormone 17beta-estradiol acts on central substrates to preserve nerve cell energy stability brain-wide, thereby providing neuroprotection against bio-energetic insults such as neurodegenerative diseases and acute brain ischemia. The current review highlights recent evidence implicating estrogen in gluco-regulation in females by control of hindbrain metabolic sensor screening and signaling of hypoglycemia-associated neuro energetic instability. It is anticipated that new understanding of the mechanistic basis of how estradiol influences metabolic sensory input from this critical brain locus to discrete downstream regulatory network substrates will likely reveal viable new molecular targets for therapeutic simulation of hormone actions that promote positive neuronal metabolic state during acute and recurring hypoglycemia. PMID- 29224104 TI - The Role of Estrogens in Pancreatic Islet Physiopathology. AB - In rodent models of insulin-deficient diabetes, 17beta-estradiol (E2) protects pancreatic insulin-producing beta-cells against oxidative stress, amyloid polypeptide toxicity, gluco-lipotoxicity, and apoptosis. Three estrogen receptors (ERs)-ERalpha, ERbeta, and the G protein-coupled ER (GPER)-have been identified in rodent and human beta-cells. This chapter describes recent advances in our understanding of the role of ERs in islet beta-cell function, nutrient homeostasis, survival from pro-apoptotic stimuli, and proliferation. We discuss why and how ERs represent potential therapeutic targets for the maintenance of functional beta-cell mass. PMID- 29224105 TI - Nuclear and Membrane Actions of Estrogen Receptor Alpha: Contribution to the Regulation of Energy and Glucose Homeostasis. AB - Estrogen receptor alpha (ERalpha) has been demonstrated to play a key role in reproduction but also to exert numerous functions in nonreproductive tissues. Accordingly, ERalpha is now recognized as a key regulator of energy homeostasis and glucose metabolism and mediates the protective effects of estrogens against obesity and type 2 diabetes. This chapter attempts to summarize our current understanding of the mechanisms of ERalpha activation and their involvement in the modulation of energy balance and glucose metabolism. We first focus on the experimental studies that constitute the basis of the understanding of ERalpha as a nuclear receptor and more specifically on the key roles played by its two activation functions (AFs). We depict the consequences of the selective inactivation of these AFs in mouse models, which further underline the prominent role of nuclear ERalpha in the prevention of obesity and diabetes, as on the reproductive tract and the vascular system. Besides these nuclear actions, a fraction of ERalpha is associated with the plasma membrane and activates nonnuclear signaling from this site. Such rapid effects, called membrane initiated steroid signals (MISS), have been characterized in a variety of cell lines and in particular in endothelial cells. The development of selective pharmacological tools that specifically activate MISS as well as the generation of mice expressing an ERalpha protein impeded for membrane localization has just begun to unravel the physiological role of MISS in vivo and their contribution to ERalpha-mediated metabolic protection. Finally, we discuss novel perspectives for the design of tissue-selective ER modulators. PMID- 29224106 TI - G-Protein-Coupled Estrogen Receptor (GPER) and Sex-Specific Metabolic Homeostasis. AB - Obesity and metabolic syndrome display disparate prevalence and regulation between males and females. Human, as well as rodent, females with regular menstrual/estrous cycles exhibit protection from weight gain and associated chronic diseases. These beneficial effects are predominantly attributed to the female hormone estrogen, specifically 17beta-estradiol (E2). E2 exerts its actions via multiple receptors, nuclear and extranuclear estrogen receptor (ER) alpha and ERbeta, and the G-protein-coupled estrogen receptor (GPER, previously termed GPR30). The roles of GPER in metabolic homeostasis are beginning to emerge but are complex and remain unclear. The discovery of GPER-selective pharmacological agents (agonists and antagonists) and the availability of GPER knockout mice have significantly enhanced our understanding of the functions of GPER in normal physiology and disease. GPER action manifests pleiotropic effects in metabolically active tissues such as the pancreas, adipose, liver, and skeletal muscle. Cellular and animal studies have established that GPER is involved in the regulation of body weight, feeding behavior, inflammation, as well as glucose and lipid homeostasis. GPER deficiency leads to increased adiposity, insulin resistance, and metabolic dysfunction in mice. In contrast, pharmacologic stimulation of GPER in vivo limits weight gain and improves metabolic output, revealing a promising novel therapeutic potential for the treatment of obesity and diabetes. PMID- 29224107 TI - Sex-Dependent Role of Estrogen Sulfotransferase and Steroid Sulfatase in Metabolic Homeostasis. AB - Sulfonation and desulfation are two opposing processes that represent an important layer of regulation of estrogenic activity via ligand supplies. Enzymatic activities of families of enzymes, known as sulfotransferases and sulfatases, lead to structural and functional changes of the steroids, thyroids, xenobiotics, and neurotransmitters. Estrogen sulfotransferase (EST) and steroid sulfatase (STS) represent negative and positive regulation of the estrogen activity, respectively. This is because EST-mediated sulfation deactivates estrogens, whereas STS-mediated desulfation converts the inactive estrogen sulfates to active estrogens. In addition to the known functions of estrogens, EST and STS in reproductive processes, regulation of estrogens and other signal molecules especially at the local tissue levels has gained increased attention in the context of metabolic disease in recent years. EST expression is detectable in the subcutaneous adipose tissue in both obese women and men, and the expression of EST is markedly induced in the livers of rodent models of obesity and type 2 diabetes. STS was found to be upregulated in patients with chronic inflammatory liver diseases. Interestingly, the tissue distribution and the transcriptional regulation of EST and STS exhibit obvious sex and species specificity. EST ablation produces completely opposite metabolic phenotype in female and male obese mice. Adipogenesis is also differentially regulated by EST in murine and human adipocytes. This chapter focuses on the recent progress in our understanding of the expression and regulation EST and STS in the context of metabolic homeostasis. PMID- 29224108 TI - Negative Impact of Testosterone Deficiency and 5alpha-Reductase Inhibitors Therapy on Metabolic and Sexual Function in Men. AB - Androgens are steroid hormones with pleotropic and diverse biochemical and physiological functions, and androgen deficiency exerts a negative impact on human health. Testosterone (T) either directly or via its transformation into the more potent metabolite 5alpha-dihydrotestosterone (5alpha-DHT) or via aromatization into estradiol (E2) modulates important biochemical signaling pathways of human physiology and plays a critical role in the growth and/or maintenance of functions in a host of tissues and organs. T and 5alpha-DHT play an important role in regulating physiology of the muscle, adipose tissue, liver, bone, and central nervous system, as well as reproductive and sexual functions. Thus, androgen deficiency (also referred to as hypogonadism) is a well-recognized medical condition and if remained untreated will have a negative impact on human health and quality of life.In this chapter, we have summarized the negative impact of T deficiency (TD) on a host of physiological functions including reduced lean body mass (LBM), increased fat mass (FM), increased insulin resistance (IR), metabolic syndrome (MetS) and adiposity, reduced bone mineral density (BMD), anemia, sexual dysfunction, and reduced quality of life and increased mortality. In addition, we discuss another critical aspect of unrecognized form of androgen deficiency resulting from inhibition of 5alpha reductases with drugs, such as finasteride and dutasteride, to block transformation of T into 5alpha-DHT in the course of treatment of benign prostatic hyperplasia (BPH) and male pattern hair loss, also known as androgenetic alopecia (AGA). The negative impact of drugs that inhibit transformation of T to 5alpha-DHT by 5alpha-reductases on metabolic function is manifested in fat accumulation in the liver, which may predispose to nonalcoholic fatty liver disease (NAFLD). Also, inhibition of 5alpha-DHT formation increases glucose synthesis and reduces glucose disposal potentially contributing to hyperglycemia, IR, and elevated activities of liver function enzymes concomitant with reduction in circulating T levels, worsening erectile dysfunction (ED), and reduced quality of life.Although we have attempted to summarize the current literature pertaining to this critical topic "androgen deficiency" and its impact on men's health and quality of life, there remain many gaps in the knowledge regarding the biochemical pathways that are involved in the pathophysiology of androgen deficiency. We wish to clearly state that there are areas of controversies, including whether age-related androgen deficiency (functional hypogonadism) merits treatment and whether T therapy provided real proven benefits. Finally, considerable debate exists with respect to the potential and purported cardiovascular (CV) risks of treating TD with exogenous T. For brevity sake, we will not discuss in detail the benefits of T therapy in men with TD since this topic is comprehensively covered by Dr. F. Saad's chapter in this book, entitled "Testosterone Therapy and Glucose Homeostasis in Men with Testosterone Deficiency (Hypogonadism)."We have made a concerted effort to address the controversy of T therapy in men with TD in the discussion. However, we wish to acknowledge that these issues will remain a matter of debate for some time to come. Only with advances in fundamental basic science and clinical research, some of these controversial issues may be laid to rest. Nevertheless, we believe that there is considerable body of credible evidence to suggest that T therapy of men with TD is safe and effective and provides a host of health benefits and therefore merits considerations in men with TD, irrespective of the underlying cause or etiology. An additional aspect of androgen deficiency is the drug-induced reduction in 5alpha-DHT levels by the use of 5alpha-reductase inhibitors. We also believe that physicians prescribing 5alpha-reductase inhibitors (i.e., finasteride or dutasteride) for relief of BPH symptoms or treatment of hair loss should engage their patients in a productive discussion regarding the potential adverse side effects of these medications on their overall health and quality of life. PMID- 29224109 TI - Testosterone Therapy and Glucose Homeostasis in Men with Testosterone Deficiency (Hypogonadism). AB - Since the early 1990s, it has been recognized that testosterone (T) levels are lower in men with type 2 diabetes mellitus (T2DM) compared with nondiabetic men (controls). Hypogonadism has been reported in approximately 50% of men with T2DM with robust correlations with measures of obesity, such as waist circumference and body mass index (BMI). In longitudinal studies, hypogonadism has been identified as a predictor of incident T2DM. Experimental withdrawal of T led to acute decreased insulin sensitivity, which can be reversed by normalization of T concentrations. Androgen deprivation therapy, commonly used in men with advanced prostate cancer, increases the risk of incident T2DM significantly.While short term studies of T therapy in hypogonadal men with T2DM show only minor effects, long-term administration of T leads to meaningful and sustained improvements of glycemic control with parallel reductions in body weight and waist circumference. The more insulin-resistant and obese a patient is at the time of initiation of T therapy, the more improvements are noted. The observed effects are likely mediated by the increase in lean body mass invariably achieved by T therapy, as well as the improvement in energy and motivation, referred to as the psychotropic effects of T. As recommended by various guidelines, measuring T levels and, if indicated, restoring men's T levels into the normal physiological range can have a substantial impact on ameliorating T2DM in hypogonadal men. PMID- 29224111 TI - Prenatal Testosterone Programming of Insulin Resistance in the Female Sheep. AB - Insulin resistance, a common feature of metabolic disorders such as obesity, nonalcoholic fatty liver disease, metabolic syndrome, and polycystic ovary syndrome, is a risk factor for development of diabetes. Because sex hormones orchestrate the establishment of sex-specific behavioral, reproductive, and metabolic differences, a role for them in the developmental origin of insulin resistance is also to be expected. Female sheep exposed to male levels of testosterone during fetal life serve as an excellent translational model for delineating programming of insulin resistance. This chapter summarizes the ontogeny of insulin resistance, the tissue-specific changes in insulin sensitivity, and the various factors that are involved in the programming and maintenance of the insulin resistance in adult female sheep that were developmentally exposed to fetal male levels of testosterone during the sexual differentiation window. PMID- 29224110 TI - Sex Differences in Androgen Regulation of Metabolism in Nonhuman Primates. AB - The in-depth characterization of sex differences relevant to human physiology requires the judicious use of a variety of animal models and human clinical data. Nonhuman primates (NHPs) represent an important experimental system that bridges rodent studies and clinical investigations. NHP studies have been especially useful in understanding the role of sex hormones in development and metabolism and also allow the elucidation of the effects of pertinent dietary influences on physiology pertinent to disease states such as obesity and diabetes. This chapter summarizes the current state of our understanding of androgen effects on male and female NHP metabolism relevant to hypogonadism in human males and polycystic ovary syndrome in human females. This review will also focus on the interaction between altered androgen levels and dietary restriction and excess, in particular the Western-style diet that underlies significant human pathophysiology. PMID- 29224112 TI - The Role of Androgen Excess in Metabolic Dysfunction in Women : Androgen Excess and Female Metabolic Dysfunction. AB - Polycystic ovary syndrome (PCOS) is characterized by the association of androgen excess with chronic oligoovulation and/or polycystic ovarian morphology, yet metabolic disorders and classic and nonclassic cardiovascular risk factors cluster in these women from very early in life. This chapter focuses on the mechanisms underlying the association of PCOS with metabolic dysfunction, focusing on the role of androgen excess on the development of visceral adiposity and adipose tissue dysfunction. PMID- 29224113 TI - Sex, Gender, and Transgender: Metabolic Impact of Cross Hormone Therapy. AB - Most preclinical and clinical, animal, and human research has been biased with respect to sex and even more so with respect to gender. In fact, little is known about the impact of sex and even less about the influence of gender on overall metabolic processes. The National Institutes of Health has recognized this gap in scientific knowledge and now mandates that studies be conducted in both sexes and to include gender as variables influencing physiological processes such as metabolism. It is therefore critical to understand and appreciate how to incorporate sex and gender in preclinical and clinical research in order to enhance our understanding of the mechanisms by which metabolic processes differ by sex and gender. In this chapter, we define sex and gender and discuss when sex and gender are not aligned, such as that which occurs in transgender individuals, and how this impacts metabolic processes. We discuss the importance of understanding the influence and interactions between sex hormones and sex chromosomes rather than focusing on their relative contributions to metabolism in isolation. This knowledge will optimize therapies specific for individuals which need to encompass sex and gender. PMID- 29224114 TI - Coated-Platelet Trends Predict Short-Term Clinical OutcomeAfter Subarachnoid Hemorrhage. AB - Aneurysmal subarachnoid hemorrhage (aSAH) is associated with high socio-economic burden. Prothrombotic states of early brain injury (EBI) and delayed cerebral ischemia (DCI) after aSAH determine morbidity and mortality. To understand how activated platelets might contribute to such prothrombotic states, we studied trends in coated-platelets during EBI and DCI periods. Serial blood samples from a prospective cohort of aSAH patients were collected and assayed for coated platelet levels. Patient's coated-platelet level during post-hospital discharge follow-up served as an estimate of baseline. Occurrence of DCI, Montreal cognitive assessment (MOCA) score of < 26, and modified Rankin scale (mRS) of 3-6 were considered poor clinical outcomes. Non-linear regression analysis detected a transition between periods of rising and declining coated-platelet levels at day 4. Additional regression analyses of coated-platelet trends before day 4 showed differences among patients with modified Fisher 3-4 [4.2% per day (95% CI 2.4, 6.1) vs. - 0.8% per day (95% CI - 3.4, 1.8); p = 0.0023] and those developing DCI [4.6% per day (95% CI 2.8, 6.5) vs. - 1.9% per day (95% CI - 4.5, 0.5); p < 0.001]. Differences between peak coated-platelet levels and baseline levels were larger, on average for those with DCI [18.1 +/- 9.6 vs. 10.6 +/- 8.0; p = 0.03], MOCA < 26 [17.0 +/- 7.8 vs. 10.7 +/- 7.4; p = 0.05] and mRS 3-6 [24.8 +/- 10.5 vs. 11.9 +/- 7.6; p = 0.01]. Coated-platelet trends after aSAH predict DCI and short-term clinical outcomes. The degree of rise in coated-platelets is also associated with adverse clinical outcomes. PMID- 29224115 TI - CT features for diagnosing acute torsion of uterine subserosal leiomyoma. AB - PURPOSE: To evaluate the usefulness of computed tomographic (CT) features for identifying acute torsion of uterine subserosal leiomyoma (USL). SUBJECTS AND METHODS: We analyzed contrast-enhanced CT examinations of 7 USLs with torsion and 44 USLs without torsion. Two radiologists evaluated the CT features, which consisted of poor contrast enhancement inside the USL, thin rim enhancement around the USL, calcification within the USL, a beak sign between the uterus and USL, fan-shaped poor contrast enhancement in the uterus area adjacent to the USL (dark fan sign), and ascites. We analyzed the frequencies of these CT features in the USLs with versus without torsion using Fisher's exact test. RESULTS: The respective frequencies of CT features in USLs with and without torsion were as follows: poor contrast enhancement, 86 and 5% (P = 0.001); thin rim enhancement, 71 and 9% (P = 0.001); calcification, 29 and 18% (P = 0.61); beak sign, 57 and 86% (P = 0.10); dark fan sign, 57 and 0% (P = 0.001); and ascites, 100 and 20% (P = 0.01). CONCLUSIONS: The CT features of poor contrast enhancement, thin rim enhancement, and dark fan sign are valuable for identifying acute torsion of USL. PMID- 29224116 TI - Chemical shift assignments of the partially deuterated Fyn SH2-SH3 domain. AB - Src Homology 2 and 3 (SH2 and SH3) are two key protein interaction modules involved in regulating the activity of many proteins such as tyrosine kinases and phosphatases by respective recognition of phosphotyrosine and proline-rich regions. In the Src family kinases, the inactive state of the protein is the direct result of the interaction of the SH2 and the SH3 domain with intra molecular regions, leading to a closed structure incompetent with substrate modification. Here, we report the 1H, 15N and 13C backbone- and side-chain chemical shift assignments of the partially deuterated Fyn SH3-SH2 domain and structural differences between tandem and single domains. The BMRB accession number is 27165. PMID- 29224117 TI - Heated communities: large inter- and intraspecific variation in heat tolerance across trophic levels of a soil arthropod community. AB - Temperature extremes are predicted to increase in frequency, intensity and duration under global warming and are believed to significantly affect community composition and functioning. However, the effect of extreme climatic events on communities remains difficult to predict, especially because species can show dissimilar responses to abiotic changes, which may affect the outcome of species interactions. To anticipate community responses we need knowledge on within and among species variation in stress tolerance. We exposed a soil arthropod community to experimental heat waves in the field and measured heat tolerance of species of different trophic levels from heated and control plots. We measured the critical thermal maximum (CTmax) of individuals to estimate inter- and intraspecific variation in heat tolerance in this community, and how this was affected by experimental heat waves. We found interspecific variation in heat tolerance, with the most abundant prey species, the springtail Isotoma riparia, being more sensitive to high temperatures than its predators (various spider species). Moreover, intraspecific variation in CTmax was substantial, suggesting that individuals within a single species were unequally affected by heat extremes. However, heat tolerance of species did not increase after being exposed to an experimental heat wave. We conclude that interspecific variation in tolerance traits potentially causes trophic mismatches during extreme events, but that intraspecific variation could lessen these effects by enabling partial survival of populations. Therefore, ecophysiological traits can provide a better understanding of abiotic effects on communities, not only within taxonomic or functional groups, but also when comparing different trophic levels. PMID- 29224118 TI - Testing the hypothesis of hierarchical predictability in ecological restoration and succession. AB - To advance predictive ecology, the hypothesis of hierarchical predictability proposes that community measures for which species are interchangeable (e.g., structure and species richness) are more predictable than measures for which species identity matters (e.g., community composition). Predictability is hypothesized to decrease for response measures in order of the following categories: structure, species richness, function, and species composition. We tested this hypothesis using a 14-year, oak savanna-prairie restoration experiment that removed non-native pine plantations at 24 sites in northwestern Ohio, USA. Based on 24 response measures, the data showed minimal support for the hypothesis, because response measures varied in predictability within categories. Half of response measures had over half their variability modeled using fixed (restoration treatment and year) and random plot effects, and these "predictable" measures occurred in all four categories. Pine basal area, environment (e.g., soil texture), and antecedent vegetation accounted for over half the variation in change within the first three post-restoration years for 77% of response measures. Change between the 3rd and 14th years was less predictable, but most restoration measures increased favorably via sites achieving them in unique ways. We propose that variation will not conform with the hypothesis of hierarchical predictability in ecosystems with vegetation dynamics driven by stochastic processes such as seed dispersal, or where vegetation structure and species richness are influenced by species composition. The ability to predict a community measure may be more driven by the number of combinations of casual factors affecting a measure than by the number of values it can have. PMID- 29224119 TI - Effects of diurnal temperature range on mortality in Hefei city, China. AB - Although several studies indicated an association between diurnal temperature range (DTR) and mortality, the results about modifiers are inconsistent, and few studies were conducted in developing inland country. This study aims to evaluate the effects of DTR on cause-specific mortality and whether season, gender, or age might modify any association in Hefei city, China, during 2007-2016. Quasi Poisson generalized linear regression models combined with a distributed lag non linear model (DLNM) were applied to evaluate the relationships between DTR and non-accidental, cardiovascular, and respiratory mortality. We observed a J-shaped relationship between DTR and cause-specific mortality. With a DTR of 8.3 degrees C as the reference, the cumulative effects of extremely high DTR were significantly higher for all types of mortality than effects of lower or moderate DTR in full year. When stratified by season, extremely high DTR in spring had a greater impact on all cause-specific mortality than other three seasons. Male and the elderly (>= 65 years) were consistently more susceptible to extremely high DTR effect than female and the youth (< 65 years) for non-accidental and cardiovascular mortality. To the contrary, female and the youth were more susceptible to extremely high DTR effect than male and the elderly for respiratory morality. The study suggests that extremely high DTR is a potential trigger for non-accidental mortality in Hefei city, China. Our findings also highlight the importance of protecting susceptible groups from extremely high DTR especially in the spring. PMID- 29224120 TI - Spontaneous cervical artery dissection is accompanied by a hypercoagulable state and simultaneous inflammatory condition. AB - BACKGROUND: Spontaneous cervical artery dissections (sCAD) are often preceded by infections. However, existing data about inflammatory parameters remained inconsistent. Remarkably, concurrent information about the coagulation system, whose affection seems also reasonable to cause ischaemic events, are still lacking in sCAD patients. Thus, this study explores the association between the inflammatory and coagulation system in patients with sCAD. METHODS: The parameters leukocyte and thrombocyte count, C-reactive protein, fibrinogen, D dimer, activated partial thromboplastin time (aPTT) and prothrombin time were extracted from hospital-based medical records of patients (n = 60) with sCAD and compared with those of a control group (n = 97) from a prospective observational stroke study. Univariate analyses were added by multiple regression analyses. RESULTS: As compared with the control group, patients with sCAD had an increased leucocyte count (9.2 +/- 3.2 vs. 7.9 +/- 2.2 * 109/l; p = 0.003), an increased thrombocyte count (252 +/- 52 vs. 229 +/- 64 * 109/l; p = 0.021), a shortened aPTT 28.0 +/- 3.5 vs. 29.9 +/- 3.6 s; p = 0.001) and decreased D-dimer values (0.44 +/- 0.29 vs. 0.76 +/- 0.73 mg/l; p = 0.002). However, in multiple regression analyses adjusted for age, sex, initial stroke severity, arterial hypertension, diabetes mellitus and smoking only the shortened aPTT remained statistically significant (p = 0.045) between groups, while differences on leucocyte count (p = 0.087), thrombocyte count (p = 0.234) and D-dimer (p = 0.321) failed statistical significance. CONCLUSION: We found evidence for a hypercoagulable state in patients with sCAD as indicated by a shortened aPTT, which was associated with a trend to an increased leucocyte count at the same time. Our findings first strengthen the hypothesis that inflammation critically impacts on the occurrence of sCAD, and second linked this condition with a marked affection of the coagulation system. PMID- 29224121 TI - High-definition infrared thermography of ice nucleation and propagation in wheat under natural frost conditions and controlled freezing. AB - MAIN CONCLUSION: An extremely high resolution infrared camera demonstrated various freezing events in wheat under natural conditions. Many of those events shed light on years of misunderstanding regarding freezing in small grains. Infrared thermography has enhanced our knowledge of ice nucleation and propagation in plants through visualization of the freezing process. The majority of infrared analyses have been conducted under controlled conditions and often on individual organs instead of whole plants. In the present study, high-definition (1280 * 720 pixel resolution) infrared thermography was used under natural conditions to visualize the freezing process of wheat plants during freezing events in 2016 and 2017. Plants within plots were found to freeze one at a time throughout the night and in an apparently random manner. Leaves on each plant also froze one at a time in an age-dependent pattern with oldest leaves freezing first. Contrary to a common assumption that freezing begins in the upper parts of leaves; freezing began at the base of the plant and spread upwards. The high resolution camera used was able to verify that a two stage sequence of freezing began within vascular bundles. Neither of the two stages was lethal to leaves, but a third stage was demonstrated at colder temperatures that was lethal and was likely a result of dehydration stress; this stage of freezing was not detectable by infrared. These results underscore the complexity of the freezing process in small grains and indicate that comprehensive observational studies are essential to identifying and selecting freezing tolerance traits in grain crops. PMID- 29224122 TI - Overfeed the Bold, Starve the Cowardly: A Legend or Reality? AB - Although the negative effects of overconfidence are more likely to be mentioned in the literature, some researchers have argued that the benefits of overconfidence may outweigh its costs. We attempted to explore the positive effects of overconfidence in competitive situations. We had participants compete against fake opponents who were overconfident and then measured their competitive performance in two studies. In Study 1 we examined the effects of overconfidence on competitive performance in a competitive situation and the possible mechanism for this overconfidence. In Study 2 we investigated the characteristics of the performance in a competition after a mismatch between the level of confidence and the fake opponent's actual competence was revealed. Our results indicated that overconfident individuals tend to be perceived as more competent and more likely to benefit in the process of competition. Even after a mismatch between the level of confidence and the real competence was revealed, the overconfident individuals were not punished in that they made as much money as the less overconfident and still got higher competence ratings. Together those studies suggested that overconfidence has its advantages in competitive situations. PMID- 29224124 TI - Underestimated effects of sediments on enhanced startup performance of biofilm systems for polluted source water pretreatment. AB - In order to evaluate the enhancement mechanisms of enhanced startup performance in biofilm systems for polluted source water pretreatment, three lab-scale reactors with elastic stereo media (ESM) were operated under different enhanced sediment and hydraulic agitation conditions. It is interesting to found the previously underestimated or overlooked effects of sediment on the enhancement of pollutants removal performance and enrichment of functional bacteria in biofilm systems. The maximum NH4+-N removal rate of 0.35 mg L-1 h-1 in sediment enhanced condition was 2.19 times of that in control reactor. Sediment contributed to 42.0 56.5% of NH4+-N removal and 15.4-41.2% of total nitrogen removal in different reactors under different operation conditions. The enhanced hydraulic agitation with sediment further improved the operation performance and accumulation of functional bacteria. Generally, Proteobacteria (48.9-52.1%), Bacteroidetes (18.9 20.8%) and Actinobacteria (15.7-18.5%) were dominant in both sediment and ESM bioiflm at phylum level. The potentially functional bacteria found in sediment and ESM biofilm samples with some functional bacteria mainly presented in sediment samples only (e.g., Genera Bacillus and Lactococcus of Firmicutes phylum) may commonly contribute to the removal of nitrogen and organics. PMID- 29224123 TI - Shear wave sonoelastography of skeletal muscle: basic principles, biomechanical concepts, clinical applications, and future perspectives. AB - Imaging plays an important role in the diagnosis and therapeutic response evaluation of muscular diseases. However, one important limitation is its incapacity to assess the in vivo biomechanical properties of the muscles. The emerging shear wave sonoelastography technique offers a quantifiable spatial representation of the viscoelastic characteristics of skeletal muscle. Elastography is a non-invasive tool used to analyze the physiologic and biomechanical properties of muscles in healthy and pathologic conditions. However, radiologists need to familiarize themselves with the muscular biomechanical concepts and technical challenges of shear wave elastography. This review introduces the basic principles of muscle shear wave elastography, analyzes the factors that can influence measurements and provides an overview of its potential clinical applications in the field of muscular diseases. PMID- 29224126 TI - Perception of Community on Attachment and Resilience According to Closing of Hospitals. AB - This study includes a comparison analysis of how community resilience and its influence factor of community attachment were changed before and after the closing of the hospital in the rural community. In order to analyze the influence factors of healthcare and medical vulnerability on community resilience, as well as the mean difference from before and after the closing of the hospital, this study conducted matching sample t test, hierarchical regression analysis, difference in differences (DID) analysis. The results indicate that community attachment consists of such factors as closeness, preference, affective bond, and identity, and they showed significance in confidence. It showed that resilience and community attachment are lower after closing than before closing. Moreover, as a result of DID analysis where the variation of community attachment affects community resilience, closeness together with closeness had an influence on the community resilience. It needs to expand public projects to improve the settlement environment of the basic local government, and in particular, it should consider various support measures to overcome vulnerabilities in the healthcare and medical sector. PMID- 29224125 TI - Substitution of soybean meal with fermented Jatropha kernel meal: effect on growth performance, body composition, and metabolic enzyme activity of Labeo rohita. AB - A 60-day feeding trial was conducted to evaluate the nutritional potential of fermented Jatropha kernel meal (FJKM) in the diets of rohu, Labeo rohita, fingerlings. Four iso-nitrogenous (336 g kg-1) and iso-energetic (20 MJ kg-1) diets containing 0, 100, 200, and 300 g kg-1 FJKM in replacement of 0, 33.3, 66.7, and 100% soybean meal protein, respectively, were prepared and designated as control, T1, T2, and T3, respectively. A total of 180 acclimatized fish (average weight 6.05 +/- 0.04 g) were equally distributed into four experimental groups in triplicates, and were fed their respective diets to satiation twice daily at 10:00 h and 18:00 h. Higher percent weight gain (%WG); specific growth rate (SGR); protein efficiency ratio (PER); protease, aspartate amino transferase (AST), and alanine amino transferase (ALT) activities; and lower feed conversion ratio (FCR) were recorded in T2 and T3 groups compared to other groups. Whereas hepatosomatic index (HSI), intestinal somatic index (ISI), and amylase, lactate dehydrogenase (LDH), malate dehydrogenase (MDH), superoxide dismutase (SOD), and catalase activities among the various dietary groups did not vary significantly (P > 0.05). Whole body composition of fish analyzed at the end of the feeding trial exhibited significantly (P < 0.05) higher ether extract and lower crude protein in the control group compared to the FJKM-fed groups. These results indicated that rohu fingerlings can efficiently utilize FJKM without any detrimental effect on growth performance, nutrient utilization, and metabolic response. PMID- 29224128 TI - Identification of a new begomovirus infecting Duranta repens in Pakistan. AB - Ornamental perennial plants may serve as reservoirs for viruses that infect field crops. Duranta repens is an ornamental shrub that frequently exhibits leaf curl symptoms typical of begomoviral infection. Two begomoviruses or DNA-A components (isolates 57SA and 58SA) along with a DNA-B component (31SA) were identified in a symptomatic D. repens plant. Isolates 57SA and 58SA showed the highest nucleotide sequence identity of 90% and 92.2% to catharanthus yellow mosaic virus (CaYMV) and chilli leaf curl India virus (ChiLCINV), respectively, whereas 31SA shared the highest nucleotide sequence identity of 95.2% with the DNA-B component of tomato leaf curl New Delhi Virus (ToLCNDV). Isolate 57SA (showing < 91% highest nucleotide sequence identity) may thus be considered a member of a distinct species, and we propose the name "duranta leaf curl virus" (DLCV) for this virus. In addition, isolate 58SA (showing highest nucleotide sequence identity < 94%) is a newly identified strain of ChiLCINV for which the name "Duranta" strain is proposed. Further analysis showed that 57SA, 58SA and 31SA are recombinant, again highlighting the importance of recombination in begomovirus evolution. This is the first identification of DLCV. Also, a mixed infection with two viruses (or DNA-A components) and one DNA-B is reported. PMID- 29224127 TI - Defining and characterizing sustained remission in patients with rheumatoid arthritis. AB - The objective of this study is to characterize stability and clinical features of patients with rheumatoid arthritis (RA) in sustained remission. Combination therapy with methotrexate and tumor necrosis factor inhibitors (TNFi) has increased remission rates in RA but optimal regimens to maintain remission are unknown. We describe Study of Etanercept And Methotrexate in Combination or as Monotherapy in Subjects with Rheumatoid Arthritis (SEAM-RA) and data from a run in period of longitudinal observation. Patients in Simplified Disease Activity Index (SDAI) remission (score <= 3.3) receiving etanercept and methotrexate were screened and had to maintain remission over 3 run-in visits/24 weeks before randomization to combination therapy or withdrawal of etanercept or methotrexate. Baseline characteristics were examined for predictive factors for maintaining remission. As of November 2016, 141 patients have enrolled; of these, 64 have been randomized, 34 were ineligible after run-in, and 43 are in run-in period; 70% have completed run-in. Enrolled and randomized patients, respectively, had mean (standard deviation [SD]) disease duration 11.0 (8.6) and 12.6 (9.7) years; mean (SD) duration of etanercept use 4.2 (3.8) and 4.9 (4.2) years; mean (SD) methotrexate dose 15.9 (4.8) and 15.5 (4.9) mg/week; and mean (SD) SDAI scores 1.5 (0.9) and 1.4 (0.8). At enrollment, 73% and 63% were in Boolean remission based on 28 joints and 66/68 joints, respectively. No enrollment characteristic predicted successful completion of run-in. Two-thirds of patients considered to be in remission at enrollment sustained remission through 24 weeks. Baseline characteristics of enrolled patients and those who completed run-in were comparable. PMID- 29224129 TI - Rymovirus: a cautionary tale. AB - A recent proposal that the genus Rymovirus be assimilated into the genus Potyvirus is examined, discussed, and rejected. It illustrates the danger of using 'sequence identity' as a proxy for phylogenetic relatedness to distinguish closely related but distinct groups of viruses. PMID- 29224130 TI - Molecular epidemiology and characterization of bovine leukemia virus in domestic yaks (Bos grunniens) on the Qinghai-Tibet Plateau, China. AB - Bovine leukemia virus (BLV) is a member of the genus Deltaretrovirus of the family Retroviridae and cause a chronic lymphosarcoma, which is extensive in cattle. In yaks (Bos grunniens), the distribution, strains and genetic characteristics of BLV have rarely been studied. The aim of our study was to investigate BLV infections in domestic yaks and determine the genetic variability of BLV circulating in a region of the Qinghai Tibet Plateau, China. Blood samples were collected from 798 yaks, which were from different farms from Gansu, Qinghai and Sichuan provinces surrounding the Qinghai-Tibet Plateau. Nested PCR targeting BLV long terminal repeats was used to detect the BLV provirus. The highest prevalence of BLV infection was in Gansu province, where it was 18.93% (39/206) in white yaks from Tianzhu City and 19.14% (31/162) in black yaks from Gannan City. In Qinghai and Sichuan provinces, the prevalence of BLV in black yaks was 14.83% (35/236) and 14.94% (29/194), respectively. The prevalence of BLV was not significantly different in yaks up to one year old than in older animals. Phylogenetic analysis was performed using 16 different env-gp51 (497-bp) gene sequences from the three provinces and 71 known BLV strains, which revealed that in both Gansu and Qinghai provinces, genotypes 6 and 10 of the BLV strains were at high levels, whereas only genotype 10 was prevalent in Sichuan Province. Phylogenetic analysis and sequence comparisons revealed 95.7-99.8% sequence identity among the full-length env genes of 16 strains, nearly full-length genome sequences of six BLV strains, and those of the known genotypes 6 and 10 of BLV. This study provides comprehensive information is regarding the widespread infection of domestic yaks with BLV on the Qinghai-Tibet Plateau of China, and shows that at least two BLV genotypes (genotypes 6 and 10) are circulating in this population. PMID- 29224131 TI - Characterization of tomato leaf curl purple vein virus, a new monopartite New World begomovirus infecting tomato in Northeast Brazil. AB - A new begomovirus species was identified from tomato plants with upward leaf curling and purple vein symptoms, which was first identified in the Piaui state of Northeast (NE) Brazil in 2014. Tomato leaf samples were collected in 2014 and 2016, and PCR with degenerate primers revealed begomovirus infection. Rolling circle amplification and restriction enzyme digestion indicated a single genomic DNA of ~ 2.6 kb. Cloning and sequencing revealed a genome organization similar to DNA-A components of New World (NW) bipartite begomoviruses, with no DNA-B. The complete nucleotide sequence had the highest identity (80%) with the DNA-A of Macroptilium yellow spot virus (MacYSV), and phylogenetic analyses showed it is a NW begomovirus that clusters with MacYSV and Blainvillea yellow spot virus, also from NE Brazil. Tomato plants agroinoculated with a dimeric clone of this genomic DNA developed upward leaf curling and purple vein symptoms, indistinguishable from those observed in the field. Based on agroinoculation, this virus has a narrow host range, mainly within the family Solanaceae. Co-inoculation experiments with tomato severe rugose virus and tomato mottle leaf curl virus, the two predominant begomoviruses infecting tomato in Brazil, revealed a synergistic interaction among these begomoviruses. The name Tomato leaf curl purple vein virus (ToLCPVV) is proposed for this new begomovirus. PMID- 29224132 TI - Treatment of mild-to-moderate hypoglycemia in patients with type 1 diabetes treated with insulin pump therapy: are current recommendations effective? AB - AIMS: Mild-to-moderate hypoglycemia (blood glucose < 4.0 mmol/L) is recommended to be treated with 15 g of carbohydrates and to repeat the treatment if hypoglycemia persists after 15 min. This recommendation was established before intensive insulin therapy and based on studies using insulin with different pharmacokinetic profiles from actual insulin analogs showing that 15 g of glucose increases blood glucose by ~ 1.5 mmol/L in 15 min. We aimed to explore the effect of current recommended treatment of mild-to-moderate hypoglycemia in type 1 diabetes (T1D) participants and factors associated with treatment effectiveness. METHODS: This is a secondary analysis from three observational inpatient studies with a standardized and supervised treatment (16 g carbohydrates) of hypoglycemia (< 3.3 mmol/L with symptoms or < 3.0 mmol/L without symptom) in participants (47 adults-10 adolescents) with T1D using continuous subcutaneous insulin infusion ("insulin pumps"; CSII)). RESULTS: Twenty-seven participants presented a total of 48 hypoglycemia episodes treated by a single intake of 16 g of carbohydrates. Time required for normoglycemia recovery was 19.5 +/- 12.0 min. The rise in plasma glucose following treatment was 0.85 +/- 0.66 mmol/L in 15 min. Eighteen episodes (38%) were resolved (> 4.0 mmol/L) 15-min post-treatment. Glycemia at the time of treatment (< 3.2 mmol/L; p < 0.001) and a higher proportion of total daily insulin from basal doses (p = 0.03) were associated with a slower post treatment plasma glucose rise. CONCLUSIONS: These results raise the possibility that sixteen grams of carbohydrates could be insufficient to treat a large proportion of hypoglycemia episodes in T1D patients treated with CSII. Factors affecting treatment effectiveness need to be investigated. PMID- 29224133 TI - Epidemiology of chronic hepatitis B virus in Ireland using routinely collected surveillance and administrative data, 2004-2014. AB - BACKGROUND: Ireland has a low prevalence of chronic hepatitis B virus (HBV) infection; however, there are limited recently published epidemiological data. This study aimed to describe the epidemiology of chronic HBV in Ireland between 2004 and 2014 using routine surveillance data and identify and interrogate additional data sources in Ireland to complement the interpretation of HBV surveillance data. METHODS: Routinely collected passive surveillance data of notified cases of HBV infection were collated for 2004-2014. Additional data sources relating to primary liver cancer and cirrhosis were collated, including hospital discharge data (2005-2013), diagnoses of primary liver cancer (2004 2013), and deaths (2007-2014). Publicly available immigration (2004-2014) data were also collated. RESULTS: Between 2004 and 2014, a total of 7463 notifications of HBV were made in Ireland; the majority (91%) were classified as chronic cases. Notifications peaked in 2008 and decreased until 2013. Hospital discharges, new cancer registrations, and deaths from primary liver cancer and hospital discharges from cirrhosis have increased each year. DISCUSSION: The epidemiology of HBV in Ireland mirrors immigration patterns. Without a coordinated screening and care programme for priority populations, particularly for immigrants from high prevalence countries, it is likely that hospitalisations and deaths from HBV attributable cirrhosis and primary liver cancer will continue to rise, with considerable associated public health expense. PMID- 29224134 TI - Tree-like colour Doppler in diagnosing pneumonia in critically ill: a picture is worth a thousand words. PMID- 29224135 TI - Serum ferritin and obstructive sleep apnea-epidemiological study. AB - PURPOSE: Ferritin is an intracellular iron storage protein and a marker of inflammation. Studies have shown that subjects with obstructive sleep apnea (OSA) have higher levels of circulating pro-inflammatory cytokines, but little is known about the association between ferritin and OSA. The aims of the study were to evaluate serum ferritin (S-Ferritin) levels in OSA patients compared to levels in the general population and also examine the effect of obesity level and treatment with positive airway pressure (PAP) on S-Ferritin levels. METHODS: The OSA subjects (n = 796) were part of the Icelandic Sleep Apnea Cohort. The control subjects (n = 637) were randomly chosen Icelanders who participated in an epidemiological study. Propensity score (PS) methodologies were employed to minimize selection bias and strengthen causal inferences when comparing non randomized groups. S-Ferritin levels were measured and all participants answered the same detailed questionnaire about sleep and health. Only OSA patients underwent a sleep study and were re-invited for a 2-year follow-up. RESULTS: S Ferritin levels were significantly higher in OSA males than controls (213.3 vs. 197.3 MUg/L, p = 0.007). However, after adjusting for confounders and using our PS methodology, no significant difference was found. S-Ferritin levels were not correlated with severity of OSA, obesity level, or clinical symptoms. Also, no significant change in S-Ferritin levels was found with 2 years of PAP treatment. CONCLUSIONS: S-Ferritin levels are comparable in OSA patients and controls and do not change consistently with obesity level or PAP treatment in our sample. PMID- 29224136 TI - A Summary of the Biological Processes, Disease-Associated Changes, and Clinical Applications of DNA Methylation. AB - DNA methylation at cytosines followed by guanines, CpGs, forms one of the multiple layers of epigenetic mechanisms controlling and modulating gene expression through chromatin structure. It closely interacts with histone modifications and chromatin remodeling complexes to form the local genomic and higher-order chromatin landscape. DNA methylation is essential for proper mammalian development, crucial for imprinting and plays a role in maintaining genomic stability. DNA methylation patterns are susceptible to change in response to environmental stimuli such as diet or toxins, whereby the epigenome seems to be most vulnerable during early life. Changes of DNA methylation levels and patterns have been widely studied in several diseases, especially cancer, where interest has focused on biomarkers for early detection of cancer development, accurate diagnosis, and response to treatment, but have also been shown to occur in many other complex diseases. Recent advances in epigenome engineering technologies allow now for the large-scale assessment of the functional relevance of DNA methylation. As a stable nucleic acid-based modification that is technically easy to handle and which can be analyzed with great reproducibility and accuracy by different laboratories, DNA methylation is a promising biomarker for many applications. PMID- 29224137 TI - Considerations for Design and Analysis of DNA Methylation Studies. AB - The number of epigenetic studies is exponentially increasing. There is anticipation that DNA methylation may close gaps in our understanding of disease etiology, and how certain risk factors affect health and disease, but also that it has potential as a biomarker for disease. Human DNA methylation studies require careful considerations for design and analysis including population and tissue selection, population stratification, cell heterogeneity, confounding, temporality, sample size, appropriate statistical analysis, and validation of results. In this chapter, we discuss relevant aspects for the design of DNA methylation studies and delineate essential steps for their analysis. Specifically, we summarize methods used to extricate biologic signals from technical noise, and statistical approaches to capture meaningful variability based on the research hypothesis. PMID- 29224138 TI - Quantification of Global DNA Methylation Levels by Mass Spectrometry. AB - Global DNA methylation was classically considered the relative percentage of 5 methylcysine (5mC) with respect to total cytosine (C). Early approaches were based on the use of high-performance separation technologies and UV detection. However, the recent development of protocols using mass spectrometry for the detection has increased sensibility and permitted the precise identification of peak compounds based on their molecular masses. This allows work to be conducted with much less genomic DNA starting material and also to quantify 5-hydroxymethyl cytosine (5hmC), a recently identified form of methylated cytosine that could play an important role in active DNA demethylation. Here, we describe the protocol that we currently use in our laboratory to analyze 5mC and 5hmC by mass spectrometry. The protocol, which is based on the method originally developed by Le and colleagues using Ultra Performance Liquid Chromatography (UPLC) and mass spectrometry (triple Quadrupole (QqQ)) detection, allows for the rapid and accurate quantification of relative global 5mC and 5hmC levels starting from just 1 MUg of genomic DNA, which allows for the rapid and accurate quantification of relative global 5mC and 5hmC levels. PMID- 29224139 TI - Antibody-Based Detection of Global Nuclear DNA Methylation in Cells, Tissue Sections, and Mammalian Embryos. AB - Immunostaining is widely used in cell biology for the in situ detection of proteins in fixed cells. The method is based on the specificity of antibodies for recognizing and binding to a selected target, combined with immunolabeling techniques for microscopic imaging. Antibodies with high specificities for modified nucleotides have also been widely developed, and among those, antibodies that recognize modified cytosine: 5-methylcytosine (5mC), and more recently, its derivates 5-hydroxymethylcytosine (5hmC), 5-formylcytosine (5fC) and 5 carboxylcytosine (5caC). To allow for their detection, primary antibody signals can be amplified using secondary antibodies coupled to fluorophores for immunofluorescence, or other molecules for immunocytochemistry.Immunostaining can be used to gain information on the spatial distribution and levels of DNA methylation states within the nucleus. Although the resolution remains quite low in genomic terms, advanced microscopy techniques and image analysis can obtain detailed spatial information content from immunostained sites. The technique complements genomic approaches that permit the assessment of DNA methylation on specific sequences, but that cannot provide global nuclear spatial context. Immunostaining is an accessible method of great benefit in several cases: when working with limited material (such as embryos or primary cells), to quickly assess at the level of individual cells the effect of siRNA, drugs, or biological processes that promote or inhibit DNA methylation or demethylation, or to study the 3D nuclear organization of regions with high DNA methylation, such as constitutive heterochromatin.Here, we review and outline protocols for the fluorescent and enzymatic immunodetection of DNA methylation in the nuclei of cells, tissue sections, and mammalian embryos. PMID- 29224140 TI - Whole-Genome Bisulfite Sequencing Using the Ovation(r) Ultralow Methyl-Seq Protocol. AB - The analysis of genome-wide epigenomic alterations including DNA methylation has become a subject of intensive research for many complex diseases. Whole-genome bisulfite sequencing (WGBS) using next-generation sequencing technologies can be considered the gold standard for a comprehensive and quantitative analysis of cytosine methylation throughout the genome. Several approaches including tagmentation- and post bisulfite adaptor tagging (PBAT)-based WGBS have been devised. Here, we provide a detailed protocol based on a commercial kit for the preparation of libraries for WGBS from limited amounts of input DNA (50-100 ng) using the classical approach of WGBS by ligation of methylated adaptors to the fragmented DNA prior to bisulfite conversion. The converted library is then amplified with an optimal number of PCR cycles to ensure high sequence diversity and low duplicate rates. Spike-in of unmethylated DNA allows for the precise estimation of bisulfite conversion rates. We also provide a step-by-step description of the data analysis using publicly available bioinformatic tools. The described protocol has been successfully applied to different human samples as well as DNA extracted from plant tissues and yields robust and reproducible results. PMID- 29224141 TI - Tagmentation-Based Library Preparation for Low DNA Input Whole Genome Bisulfite Sequencing. AB - Aberrations of the DNA methylome contribute to onset and progression of diseases. Whole genome bisulfite sequencing (WGBS) is the only analytical method covering the complete methylome. Alternative methods requiring less DNA than WGBS analyze only a minor portion of the methylome and do not cover important regulatory features like enhancers and noncoding RNAs. In tagmentation-based WGBS (TWGBS), several DNA and time-consuming steps of the conventional WGBS library preparation are circumvented by the use of a hyperactive transposase, which simultaneously fragments DNA and appends sequencing adapters. TWGBS requires only nanogram amounts of DNA and, thus, is well suited to study precious biological specimens such as sorted cells or micro-dissected tissue samples. PMID- 29224142 TI - Post-Bisulfite Adaptor Tagging for PCR-Free Whole-Genome Bisulfite Sequencing. AB - Post-bisulfite adaptor tagging (PBAT) is a highly efficient procedure to construct libraries for whole-genome bisulfite sequencing (WGBS). PBAT attaches adaptors to bisulfite-converted genomic DNA to circumvent bisulfite-induced degradation of library DNA inherent to conventional WGBS protocols. Consequently, it enables PCR-free WGBS from nanogram quantities of mammalian DNA, thereby serving as an invaluable tool for methylomics. PMID- 29224143 TI - Multiplexed Reduced Representation Bisulfite Sequencing with Magnetic Bead Fragment Size Selection. AB - Reduced representation bisulfite sequencing (RRBS) is a technique for assessing genome-wide DNA methylation in an organism whose genome has been fully sequenced. It allows researchers to target gene regions with particular CpG densities, thereby selecting the desired genomic contexts. Here, we describe an approach that uses magnetic beads to accomplish this selection. In addition, the use of indexed, methylated adapters enables up to 12 samples to be pooled, and subjected to multiplexed RRBS in a single-sequencing lane. First, genomic DNA is fragmented via restriction endonuclease digestion that ensures at least two CpG loci per fragment. The fragmented DNA is then end-repaired and A-tailed. Indexed, methylated adapters are ligated to the A-tailed DNA fragments to create a DNA library. A combination of negative and positive selections, using magnetic beads that preferentially bind to larger DNA fragments, ensures that only the desired sizes of adapter-ligated DNA fragments are included in a library. This allows researchers to dictate what types of genomic regions will be sequenced, since fragment size depends on the proximity of restriction sites. The DNA libraries are then quantified, and up to 12 libraries are pooled in order to be sequenced on a single lane of an Illumina HiSeq2500. The pools are next treated with sodium bisulfite, and then PCR amplified. A final bead cleanup removes any residual contaminants prior to sequencing, which is followed by base calling and alignment to a sequenced genome. PMID- 29224144 TI - Low Input Whole-Genome Bisulfite Sequencing Using a Post-Bisulfite Adapter Tagging Approach. AB - The epigenetic mark 5-methylcytosine confers heritable regulation of gene expression that can be dynamically modulated during transitions in cell fate. With the development of high-throughput sequencing technologies, it is now possible to obtain comprehensive genome-wide maps of the mammalian DNA methylation landscape, but the application of these techniques to limited material remains challenging. Here, we present an optimized protocol to perform whole-genome bisulfite sequencing on low inputs (100-5000 somatic cells) using a post-bisulfite adapter tagging approach. In this strategy, bisulfite treatment is performed prior to library generation in order to both convert unmethylated cytosines and fragment DNA to an appropriate size. Then sequencing adapters are added by complementary strand synthesis using random tetramer priming, and libraries are subsequently amplified by PCR. PMID- 29224145 TI - Methyl-CpG-Binding Domain Sequencing: MBD-seq. AB - Detailed biological knowledge about the potential importance of the methylome is typically lacking for common diseases. Therefore, methylome-wide association studies (MWAS) are critical to detect disease relevant methylation sites. Methyl CpG-binding domain sequencing (MBD-seq) offers potential advantages compared to antibody-based enrichment, but performance depends critically on using an optimal protocol. Using an optimized protocol, MBD-seq can approximate the sensitivity/specificity obtained with whole-genome bisulfite sequencing, but at a fraction of the costs and time to complete the project. Thus, MBD-seq offers a comprehensive first pass at the CpG methylome and is economically feasible with the samples sizes required for MWAS. PMID- 29224146 TI - The HELP-Based DNA Methylation Assays. AB - Restriction enzymes have been valuable tools for representing the genome for DNA methylation assays, whether by using methylation-dependent enzymes or by sampling a reduced representation of the genome using a methylation-insensitive enzyme. These survey assays have remained mainstays of genome-wide approaches even with the development of more comprehensive shotgun genome-wide bisulphite sequencing based assays, as they are significantly more affordable. DNA methylation survey assays are numerous and include reduced representation bisulphite sequencing (RRBS), the Illumina HumanMethylation450K and EPIC microarray system, and our evolving series of HELP-based assays. The HELP (HpaII tiny fragment Enrichment by Ligation-mediated PCR) assays initially involved microarray-based reporting of DNA methylation, but have now migrated to the use of massively parallel sequencing. In this chapter, we describe the latest HELP-tagging assay that uses Illumina Tru-Seq adapters, and mention the extension of the HELP-tagging assay to quantify 5-hydroxymethylation using the HELP-GT assay. PMID- 29224148 TI - Digital Restriction Enzyme Analysis of Methylation (DREAM). AB - Digital Restriction Enzyme Analysis of Methylation (DREAM) is a method for quantitative mapping of DNA methylation across genomes using next-generation sequencing (NGS) technology. The method is based on sequential cuts of genomic DNA with a pair of restriction enzymes (SmaI and XmaI) at CCCGGG target sites. Unmethylated sites are first digested with SmaI. This enzyme cuts the sites in the middle at CCC^GGG, leaving behind blunt ended fragments. CpG methylation completely blocks SmaI; therefore, only unmethylated sites are cleaved. The remaining methylated sites are digested with XmaI in the next step. This enzyme is not blocked by CpG methylation. It cuts the recognition site sideways at C^CCGGG forming 5'-CCGG overhangs. The sequential cuts thus create distinct methylation-specific signatures at the ends of restriction fragments: 5'-GGG for unmethylated CpG sites and 5'-CCGGG for methylated sites. The DNA fragments resulting from the digestions are ligated to NGS adapters. Sequencing libraries are prepared using hexanucleotide barcodes for sample identification. Individual libraries with distinct barcodes are pooled and sequenced using a paired ends protocol. The sequencing reads are aligned to the genome and mapped to unique CCCGGG target sites. Methylation at individual CpG sites is calculated as the ratio of sequencing reads with the methylated signature to the total number of reads mapping to the site. Sequencing of 25 million reads per sample typically yields 50,000 unique CpG sites covered with hundreds of reads enabling accurate determination of DNA methylation levels. DREAM does not require bisulfite conversion, has a very low background, and has high sensitivity to low levels of methylation. The method is simple, cost-effective, quantitative, highly reproducible, and can be applied to any species. PMID- 29224147 TI - Comprehensive Whole DNA Methylome Analysis by Integrating MeDIP-seq and MRE-seq. AB - Understanding the role of DNA methylation often requires accurate assessment and comparison of these modifications in a genome-wide fashion. Sequencing-based DNA methylation profiling provides an unprecedented opportunity to map and compare complete DNA CpG methylomes. These include whole genome bisulfite sequencing (WGBS), Reduced-Representation Bisulfite-Sequencing (RRBS), and enrichment-based methods such as MeDIP-seq, MBD-seq, and MRE-seq. An investigator needs a method that is flexible with the quantity of input DNA, provides the appropriate balance among genomic CpG coverage, resolution, quantitative accuracy, and cost, and comes with robust bioinformatics software for analyzing the data. In this chapter, we describe four protocols that combine state-of-the-art experimental strategies with state-of-the-art computational algorithms to achieve this goal. We first introduce two experimental methods that are complementary to each other. MeDIP-seq, or methylation-dependent immunoprecipitation followed by sequencing, uses an anti-methylcytidine antibody to enrich for methylated DNA fragments, and uses massively parallel sequencing to reveal identity of enriched DNA. MRE-seq, or methylation-sensitive restriction enzyme digestion followed by sequencing, relies on a collection of restriction enzymes that recognize CpG containing sequence motifs, but only cut when the CpG is unmethylated. Digested DNA fragments enrich for unmethylated CpGs at their ends, and these CpGs are revealed by massively parallel sequencing. The two computational methods both implement advanced statistical algorithms that integrate MeDIP-seq and MRE-seq data. M&M is a statistical framework to detect differentially methylated regions between two samples. methylCRF is a machine learning framework that predicts CpG methylation levels at single CpG resolution, thus raising the resolution and coverage of MeDIP-seq and MRE-seq to a comparable level of WGBS, but only incurring a cost of less than 5% of WGBS. Together these methods form an effective, robust, and affordable platform for the investigation of genome-wide DNA methylation. PMID- 29224149 TI - Nucleosome Occupancy and Methylome Sequencing (NOMe-seq). AB - Various methodologies are available to interrogate specific components of epigenetic mechanisms such as DNA methylation or nucleosome occupancy at both the locus-specific and the genome-wide level. It has become increasingly clear, however, that comprehension of the functional interactions between epigenetic mechanisms is critical for understanding how cellular transcription programs are regulated or deregulated during normal and disease development. The Nucleosome Occupancy and Methylome sequencing (NOMe-seq) assay allows us to directly measure the relationship between DNA methylation and nucleosome occupancy by taking advantage of the methyltransferase M.CviPI, which methylates unprotected GpC dinucleotides to create a footprint of chromatin accessibility. This assay generates dual nucleosome occupancy and DNA methylation information at a single DNA molecule resolution using as little as 200,000 cells and in as short as 15 min reaction time. DNA methylation levels and nucleosome occupancy status of genomic regions of interest can be subsequently interrogated by cloning PCR amplified bisulfite DNA and sequencing individual clones. Alternatively, NOMe-seq can be combined with next-generation sequencing in order to generate an integrated global map of DNA methylation and nucleosome occupancy, which allows for comprehensive examination as to how these epigenetic components correlate with each other. PMID- 29224150 TI - Bisulphite Sequencing of Chromatin Immunoprecipitated DNA (BisChIP-seq). AB - Epigenetic regulation plays a critical role in gene expression, cellular differentiation, and disease. There is a complex interplay between the different layers of epigenetic information, including DNA methylation, nucleosome positions, histone modifications, histone variants, and other important epigenetic regulators. The different modifications do not act independently of each other and their relationship plays an important role in governing the regulation of the epigenome. Of these, DNA methylation is the best-studied epigenetic modification in mammals. However, the direct relationship between DNA methylation and chromatin modifications has been difficult to unravel with existing technologies, with epigenome-wide integration studies still based on "overlaying" independent chromatin modification and DNA methylation maps. Bisulphite sequencing enables the methylation state of every cytosine residue to be analyzed across a given molecule in a strand-specific context. Here, we describe a direct approach to interrogating the DNA methylation status of specific chromatin-marked DNA, using high-throughput sequencing of bisulphite treated chromatin immunoprecipitated DNA (BisChIP-seq). This combined approach enables the exquisite relationship between chromatin-modified DNA or transcription factor-associated DNA and the methylation state of each targeted allele to be directly interrogated. BisChIP-Seq can now be widely applied genome wide to further understand the molecular relationship between DNA methylation and other important epigenetic regulators. PMID- 29224151 TI - A Guide to Illumina BeadChip Data Analysis. AB - The Illumina Infinium BeadChips are a powerful array-based platform for genome wide DNA methylation profiling at approximately 485,000 (450K) and 850,000 (EPIC) CpG sites across the genome. The platform is used in many large-scale population based epigenetic studies of complex diseases, environmental exposures, or other experimental conditions. This chapter provides an overview of the key steps in analyzing Illumina BeadChip data. We describe key preprocessing steps including data extraction and quality control as well as normalization strategies. We further present principles and guidelines for conducting association analysis at the individual CpG level as well as more sophisticated pathway-based association tests. PMID- 29224152 TI - Microdroplet PCR for Highly Multiplexed Targeted Bisulfite Sequencing. AB - Many methods exist for examining CpG DNA methylation. However, many of these are qualitative, laborious to apply to a large number of genes simultaneously, or are not easy to target to specific regions of interest. Microdroplet PCR-based bisulfite sequencing allows for quantitative single base resolution analysis of investigator selected regions of interest. Following bisulfite conversion of genomic DNA, targeted microdroplet PCR is conducted with custom primer libraries. Samples are then fragmented, concatenated, and sequenced by high-throughput sequencing. The most recent technology allows for this method to be conducted with as little as 250 ng of bisulfite-converted DNA. The primary advantage of this method is the ability to hand-select the targeted regions covered by up to 10,000 amplicons of 500-600 bp. Moreover, the nature of microdroplet PCR virtually eliminates PCR bias and allows for the amplification of all targets simultaneously in a single tube. PMID- 29224153 TI - Multiplexed DNA Methylation Analysis of Target Regions Using Microfluidics (Fluidigm). AB - Whole genome shotgun bisulfite sequencing is a method used to generate genome wide methylation profiles. There are many available protocols to validate the results of this genome-wide method, but they mostly share the limitation of measuring methylation at a small number of CpG positions in small numbers of samples. We developed a multiplexed DNA methylation analysis protocol, which allows for the simultaneous quantitative measurement of cytosine methylation at single nucleotide resolution in 48 PCR amplicons and 48 samples utilizing the microfluidic system established by Fluidigm. Following bisulfite conversion of 500 ng of the target DNA, a PCR reaction is performed using a 48.48 Access Array, which allows parallel amplification of 48 samples by 48 primer pairs. The products of each reaction are labeled with individual, sample specific tags, pooled in a single library and sequenced using the Illumina MiSeq sequencer. The advantages of this system are: speed, small amount of input material, single nucleotide resolution, high coverage of each locus, low cost of simultaneously assaying multiple CpG loci in multiple DNA samples and high reproducibility. PMID- 29224154 TI - Large-Scale Targeted DNA Methylation Analysis Using Bisulfite Padlock Probes. AB - Bisulfite padlock probes (BSPP) are a method for the targeted quantification of DNA methylation in mammalian genomes. They can simultaneously characterize the level of methylcytosine modification in a large number of targeted regions at single-base resolution. A major advantage of BSPP is that it allows the flexible capture of an arbitrary subset of genomic regions (hundreds to hundreds of thousands of genomic loci) in single-tube reactions. Large number of samples can be processed efficiently and converted into multiplexed sequencing libraries with only three enzymatic steps, without the conventional library preparation procedures. BSPP are applicable to clinical studies, screening cell lines, and for quantifying low abundance regions using deep sequencing. PMID- 29224155 TI - Targeted Bisulfite Sequencing Using the SeqCap Epi Enrichment System. AB - Cytosine methylation has been shown to have a role in a host of biological processes. In mammalian biology these include stem cell differentiation, embryonic development, genomic imprinting, inflammation, and silencing of transposable elements. Given the central importance of these processes, it is not surprising to find aberrant cytosine methylation patterns associated with many disorders in humans, including cancer, cardiovascular disease, and neurological disease. While whole genome shotgun bisulfite sequencing (WGBS) has recently become feasible, generating high sequence coverage data for the entire genome is expensive, both in terms of money and analysis time, when generally only a small subset of the genome is of interest to most researchers. This report details a procedure for the targeted enrichment of bisulfite treated DNA via SeqCap Epi, allowing high resolution focus of next generation sequencing onto a subset of the genome for high resolution cytosine methylation analysis. Regions ranging in size from only a few kb up to over 200 Mb may be targeted, including the use of the SeqCap Epi CpGiant design which is designed to target 5.5 million CpGs in the human genome. Finally, multiple samples may be multiplexed and sequenced together to provide an inexpensive method of generating methylation data for a large number of samples in a high throughput fashion. PMID- 29224156 TI - Multiplexed and Sensitive DNA Methylation Testing Using Methylation-Sensitive Restriction Enzymes "MSRE-qPCR". AB - DNA methylation is a chemically stable key-player in epigenetics. In the vertebrate genome the 5-methyl cytosine (5mC) has been found almost exclusively in the CpG dinucleotide context. CpG dinucleotides are enriched in CpG islands very frequently located within or close to gene promoters. Analyses of DNA methylation changes in human diagnostics have been conducted classically using methylation-sensitive restriction enzymes (MSRE). Since the discovery of bisulfite conversion-based sequencing and PCR assays, MSRE-based PCR assays have been less frequently used, although especially in the field of cancer epigenetics MSRE-based genome-wide discovery and targeted screening applications have been and are still performed successfully. Even though epigenome-wide discovery of altered DNA methylation patterns has found its way into various fields of human disease and molecular genetics research, the validation of findings upon discovery is still a bottleneck. Usually several multiples of 10 up to 100 candidate biomarkers from discovery have to be confirmed or are of interest for further work. In particular, bisulfite PCR assays are often limited in the number of candidates which can be analyzed, due to their low multiplexing capability, especially, if only small amounts of DNA are available from for example clinical specimens. In clinical research and diagnostics a similar situation arises for the analyses of cell-free DNA (cfDNA) in body fluids or circulating tumor cells (CTCs). Although tissue- or disease- (e.g., cancer) specific DNA methylation patterns can be deduced very efficiently in a genome-wide manner if around 100 ng of DNA are available, confirming these candidates and selecting target-sequences for studying methylation changes in liquid biopsies using cfDNA or CTCs remains a big challenge. Along these lines we have developed MSRE-qPCR and introduce here method details, which have been found very suitable for the efficient confirmation and testing of DNA methylation in a quantitative multiplexed manner (e.g., 48-96 plex) from ng amounts of DNA. The method is applicable in a standard qPCR setting as well for nanoliter scaled high-throughput qPCR, enabling detection of <10 copies of targets, thus suitable to pick up 0.1-1% of specific methylated DNA in an unmethylated background. PMID- 29224158 TI - Methylation-Specific PCR. AB - Cytosine methylation is a DNA modification generally associated with transcriptional silencing. Factors that regulate methylation have been linked to human disease, yet how they contribute to malignancies remains largely unknown. Methylation of DNA can change the functional state of regulatory regions, but does not change the Watson-Crick base pairing of cytosine. Moreover, sequence symmetry of CpGs enables propagation of the methyl mark through cell division. This potential for inheritance coupled with the fact that DNA methylation patterns change during development and disease partially explains the interest in DNA methylation as a memory module. DNA methylation analysis also provides an opportunity to discover new and more powerful biomarkers that can help in clinical practice.Methylation-Specific PCR (MSP) is likely the most widely used technique to study DNA methylation of a locus of interest. MSP can rapidly detect the methylation status of any group of CpG sites within a CpG island, not requiring methylation-sensitive restriction enzymes. It also requires minute amounts of DNA, is very sensitive as it can detect <0.1% of methylated alleles in a specific locus, and can be used in different samples, including bodily fluids, and paraffin-embedded samples. PMID- 29224157 TI - Quantitative DNA Methylation Analysis at Single-Nucleotide Resolution by Pyrosequencing(r). AB - Many protocols for gene-specific DNA methylation analysis are either labor intensive, not quantitative and/or limited to the measurement of the methylation status of only one or very few CpG positions. Pyrosequencing is a real-time sequencing technology that overcomes these limitations. After bisulfite modification of genomic DNA, a region of interest is amplified by PCR with one of the two primers being biotinylated. The PCR generated template is rendered single stranded and a pyrosequencing primer is annealed to analyze quantitatively cytosine methylation. In comparative studies, pyrosequencing has been shown to be among the most accurate and reproducible technologies for locus-specific DNA methylation analyses and has become a widely used tool for the validation of DNA methylation changes identified in genome-wide studies as well as for locus specific analyses with clinical impact such as methylation analysis of the MGMT promoter. Advantages of the Pyrosequencing technology are the ease of its implementation, the high quality and the quantitative nature of the results, and its ability to identify differentially methylated positions in close proximity. PMID- 29224159 TI - Quantitation of DNA Methylation by Quantitative Multiplex Methylation-Specific PCR (QM-MSP) Assay. AB - The defining feature of the Quantitative Multiplex Methylation-Specific PCR (QM MSP) method to sensitively quantify DNA methylation is the two-step PCR approach for a multiplexed analysis of a panel of up to 12 genes in clinical samples with minimal quantities of DNA. In the first step, for up to 12 genes tested, one pair of gene-specific primers (forward and reverse) amplifies the methylated and unmethylated copies of the same gene simultaneously and in multiplex, in one PCR reaction. This methylation-independent amplification step produces amplicons of up to 109 copies per MUL after 36 cycles of PCR. In the second step, the amplicons of the first reaction (STEP 1) are quantified with a standard curve using real-time PCR and two independent fluorophores to detect methylated/unmethylated DNA of each gene in the same well (e.g., 6FAM and VIC). One methylated copy is detectable in 100,000 reference gene copies. Methylation is reported on a continuous scale. For the gene panel, the highest level of normal DNA methylation above which a sample would be called positive is derived by using Receiver Operating Characteristic (ROC), maximizing assay specificity and sensitivity to distinguish between normal/benign versus tumor DNA. QM-MSP can be applied to clinical samples of fresh or fixed ductal cells, ductal fluid, nipple fluid, fine needle aspirates, core biopsies, and tumor tissue sections. PMID- 29224160 TI - MethyLight and Digital MethyLight. AB - MethyLight is a quantitative, fluorescence-based, real-time PCR method to sensitively detect and quantify DNA methylation of candidate regions of the genome. MethyLight is uniquely suited for detecting low-frequency methylated DNA regions against a high background of unmethylated DNA, as it combines methylation specific priming with methylation-specific fluorescent probing. The quantitative accuracy of real-time PCR and the ability to design bisulfite-dependent, DNA methylation-independent control reactions together allow for a quantitative assessment of these low frequency methylation events. Here we describe the experimental steps of MethyLight analysis in detail. Furthermore, we present principles and design examples for three types of quality control reactions. QC-1 reactions are methylation-independent reactions to monitor sample quantity and integrity. QC-2 reactions are bisulfite-independent reactions to monitor recovery efficiencies of the bisulfite conversion methodology used. QC-3 reactions are bisulfite-independently primed reactions with variable bisulfite-dependent probing to monitor completeness of the sodium bisulfite treatment. We show that these control reactions perform as expected in a time course experiment interrupting sodium bisulfite conversion at various timepoints. Finally, we describe Digital MethyLight, in which MethyLight is combined with Digital PCR, for the highly sensitive detection of individual methylated molecules, with use in disease detection and screening. PMID- 29224161 TI - Quantitative Region-Specific DNA Methylation Analysis by the EpiTYPERTM Technology. AB - DNA methylation plays a profound role in development and health as well as development and progression of disease. High-throughput quantitative DNA methylation analysis is therefore crucial for the study of the normal physiology of the epigenome and its dysregulation in disease. Many target areas are identified by a range of emerging genome-wide cytosine methylation techniques, but these whole genome scans usually only provide methylation data for a few individual CpG sites (CpGs) within a region. The EpiTYPERTM assay is a region specific method for the detection and quantitative analysis of DNA methylation that allows performing a high-resolution scan of selected regions. It thus enables a more detailed analysis of single CpGs and the surrounding area and can, in addition to candidate gene methylation analysis, be used to validate CpGs detected by genome wide techniques. The EpiTYPERTM assay allows a fast and reproducible targeted quantification of individual CpGs in a high throughput manner and is based on base-specific cleavage of bisulfite-converted genomic DNA and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Up to 85% of the CpGs within a target region can be analyzed and the detection precision allows quantifying methylation differences as low as 5 7%. PMID- 29224162 TI - Methylation-Specific Multiplex Ligation-Dependent Probe Amplification (MS-MLPA). AB - This chapter describes a method for the rapid assessment of promoter hypermethylation levels or methylation of imprinted regions in human genomic DNA extracted from various sources using methylation-specific multiplex ligation dependent probe amplification (MS-MLPA). Multiplex ligation-dependent probe amplification (MLPA) is a powerful and easy-to-perform PCR-based technique that can identify gains, amplifications, losses, deletions, methylation and mutations of up to 55 targets in a single reaction, while requiring only minute quantities of DNA (about 50 ng) extracted from blood, fresh frozen or formalin-fixed paraffin-embedded materials. Methylation-specific MLPA (MS-MLPA) is a variant of MLPA, which does not require sodium bisulfite conversion of unmethylated cytosine residues, but instead makes use of the methylation-sensitive endonuclease HhaI. MS-MLPA probes are designed to contain a HhaI recognition site (GCGC) and thus target one CpG dinucleotide within a CpG island. If the HhaI recognition site is not methylated, HhaI will cut the probe-sample DNA hybrid and no PCR product will be formed. If the target DNA is methylated, HhaI is not able to cut, and the fragment will be amplified during subsequent PCR. For data analysis, MS-MLPA peak patterns of the HhaI-treated and -untreated reactions are compared, leading to calculation of a methylation percentage. The methylation profile of a test sample is assessed by comparing the probe methylation percentages obtained on the test sample to the percentages of the reference samples. MS-MLPA can be combined with copy number and point mutation detection in the same reaction. PMID- 29224163 TI - Methylation-Sensitive High Resolution Melting (MS-HRM). AB - Methylation-Sensitive High Resolution Melting (MS-HRM) is an in-tube, PCR-based method to detect methylation levels at specific loci of interest. A unique primer design facilitates a high sensitivity of the assays enabling detection of down to 0.1-1% methylated alleles in an unmethylated background.Primers for MS-HRM assays are designed to be complementary to the methylated allele, and a specific annealing temperature enables these primers to anneal both to the methylated and the unmethylated alleles thereby increasing the sensitivity of the assays. Bisulfite treatment of the DNA prior to performing MS-HRM ensures a different base composition between methylated and unmethylated DNA, which is used to separate the resulting amplicons by high resolution melting.The high sensitivity of MS-HRM has proven useful for detecting cancer biomarkers in a noninvasive manner in urine from bladder cancer patients, in stool from colorectal cancer patients, and in buccal mucosa from breast cancer patients. MS-HRM is a fast method to diagnose imprinted diseases and to clinically validate results from whole-epigenome studies. The ability to detect few copies of methylated DNA makes MS-HRM a key player in the quest for establishing links between environmental exposure, epigenetic changes, and disease. PMID- 29224164 TI - Hairpin Bisulfite Sequencing: Synchronous Methylation Analysis on Complementary DNA Strands of Individual Chromosomes. AB - The accurate and quantitative detection of 5-methylcytosine is of great importance in the field of epigenetics. The method of choice is usually bisulfite sequencing because of the high resolution and the possibility to combine it with next generation sequencing. Nevertheless, also this method has its limitations. Following the bisulfite treatment DNA strands are no longer complementary such that in a subsequent PCR amplification the DNA methylation patterns information of only one of the two DNA strand is preserved. Several years ago Hairpin Bisulfite sequencing was developed as a method to obtain the pattern information on complementary DNA strands. The method requires fragmentation (usually by enzymatic cleavage) of genomic DNA followed by a covalent linking of both DNA strands through ligation of a short DNA hairpin oligonucleotide to both strands. The ligated covalently linked dsDNA products are then subjected to a conventional bisulfite treatment during which all unmodified cytosines are converted to uracils. During the treatment the DNA is denatured forming noncomplementary ssDNA circles. These circles serve as a template for a locus specific PCR to amplify chromosomal patterns of the region of interest. As a result one ends up with a linearized product, which contains the methylation information of both complementary DNA strands. PMID- 29224165 TI - Helper-Dependent Chain Reaction (HDCR) for Selective Amplification of Methylated DNA Sequences. AB - Over the last few years a number of restriction enzymes that cut DNA only if cytosines within their recognition sequences are methylated have been characterized and become commercially available. Cleavage with these enzymes to release DNA fragments in a methylation-dependent manner can be combined with a novel method of amplification, Helper Dependent Chain Reaction (HDCR), to selectively amplify these fragments. HDCR uses "Helper" oligonucleotides as templates for extension of the free 3' end of target fragments to incorporate tag sequences at the ends of fragments. These tag sequences are then used for priming of amplification of target fragments. Modifications to the amplification primers (Drivers) and the Helpers ensure that there is selection for the sequences within target fragments with each cycle of amplification. The combination of methylation dependent enzymes and HDCR allows the sensitive and selective amplification of methylated DNA sequences without the need for bisulfite treatment. PMID- 29224166 TI - DNA Methylation Analysis from Blood Spots: Increasing Yield and Quality for Genome-Wide and Locus-Specific Methylation Analysis. AB - Blood represents an easily accessible human tissue for numerous research and clinical applications, including surrogate roles for biomarkers of other tissues. Dried blood spots (DBS) are space- and cost-efficient storage forms of blood while stably retaining many of its chemical constituents. Consequently, neonatal DBS are routinely collected in many countries, and their biobanks represent gold mines for research. However, the utility of DBS is restricted by the limited amount and quality of extractable biomolecules (including DNA), especially for genome-wide profiling. In particular, DNA methylome analysis in DBS has proven to be technically challenging, mainly due to the requirement for stringent preprocessing, such as bisulfite conversion. Moreover, DNA amplification, required to increase its yield, often leads to a bias in the analysis, particularly in methylome profiles. Thus, it is important to develop methodologies that maximize both the yield and quality of DNA from DBS for downstream analyses. Using a combination of in-house-derived and modified commercial extraction methods, we developed two robust protocols that produced increased DNA yield and quality from DBS. Though both protocols are more efficient relative to other published methods, one protocol yields less DNA compared to the other, but shows improved 260/280 spectrophotometric ratios, which are useful for sample quality assessment. Both protocols consist of two sequential phases, each involving several critical steps. Phase I comprises blood extraction off the filter papers, cell lysis, and protein digestion. Phase II involves DNA precipitation, purification, and elution. Results from subsequent locus-specific and genome-wide DNA methylation analyses demonstrate the high quality, reproducibility, and consistency of the data. This work may prove useful to meet the increased demand for research on DBS, particularly with a focus on the epigenetic origins of human diseases and newborn screening programs. PMID- 29224167 TI - DNA Methylation Analysis of Free-Circulating DNA in Body Fluids. AB - Circulating cell-free DNA in body fluids is an analyte of great interest in basic and clinical research. The analyses of DNA methylation and hydroxymethylation patterns in body fluids might allow one to determine the certain state of a disease, in particular of cancer. DNA methylation biomarkers in liquid biopsies, i.e. blood plasma samples, may help optimizing personalized therapy for individual patients. DNA methylation analyses of specific loci usually require a bisulfite conversion of the DNA, which requires a sufficiently high amount of DNA at the appropriate concentration. However, free-circulating DNA is generally low concentrated. Therefore, high volumes of body fluids need to be analyzed. This high volume needs to be reduced in order to facilitate the bisulfite conversion. In addition, disease-related free-circulating DNA is even less abundant than normal DNA in the total amount of free-circulating DNA. Accordingly, analytical and pre-analytical methods are needed, which permit an accurate and sensitive quantification of single methylated DNA copies in the presence of unmethylated DNA in abundance.This protocol describes two methods for DNA enrichment from body fluids: DNA extraction by means of magnetic beads and polymer-mediated enrichment of DNA. Subsequent bisulfite conversion is achieved by means of a high-speed conversion protocol. Adaptions of the workflow required for the analysis of hydroxymethylation via oxidation 5-hydroxymethylcytosines to 5-formylcytosines prior to the bisulfite conversion are introduced. A quantitative real-time PCR based on the methylation-specific and HeavyMethyl PCR methodologies is introduced. This qPCR assay allows for an accurate and sensitive quantification of single copies of the DNA methylation biomarkers SHOX2 and SEPT9 in blood plasma. Specific issues regarding the analysis of body fluids and respective trouble shooting approaches are discussed. PMID- 29224168 TI - Tet-Assisted Bisulfite Sequencing (TAB-seq). AB - 5-Hydroxymethylcytosine (5hmC) is a modified form of cytosine, which has recently been found in mammalian cells and tissues. 5hmC is derived from 5-methylcytosine (5mC) by Ten-eleven translocation (TET) family protein-mediated oxidation and may regulate gene expression. Numerous affinity-based profiling methods have been developed to help understand the exact function of 5hmC in the genome. However, these methods have a relatively low resolution (~100 bp) without quantitative information of the modification percentage on each site. Here we demonstrated the detailed procedure of Tet-Assistant Bisulfite Sequencing (TAB-Seq), which can detect 5hmC at single-base resolution and quantify its abundance at each site. In this protocol, the genomic DNA is first treated with betaGT and recombinant mTet1 consecutively to convert 5hmC to 5gmC and 5mC to 5caC, respectively. The treated genomic DNA can be directly applied to bisulfite treatment to detect 5hmC on specific loci or applied to whole-genome bisulfite sequencing as needed. PMID- 29224169 TI - Multiplexing for Oxidative Bisulfite Sequencing (oxBS-seq). AB - DNA modifications, especially methylation, are known to play a crucial part in many regulatory processes in the cell. Recently, 5-hydroxymethylcytosine (5hmC) was discovered, a DNA modification derived as an intermediate of 5-methylcytosine (5mC) oxidation. Efforts to gain insights into function of this DNA modification are underway and several methods were recently described to assess 5hmC levels using sequencing approaches. Here we integrate adaptation based multiplexing and high-efficiency library prep into the oxidative Bisulfite Sequencing (oxBS-seq) workflow reducing the starting amount and cost per sample to identify 5hmC levels genome-wide. PMID- 29224170 TI - Affinity-Based Enrichment Techniques for the Genome-Wide Analysis of 5 Hydroxymethylcytosine. AB - Since its initial characterization in 2009 there has been a great degree of interest in comparative profiling of 5-hydroxymethylcytosine (5hmC) nucleotides in vertebrate DNA. Through a host of genome-wide studies the distribution of 5hmC has been mapped in a range of cell lines, tissue types and organisms; the majority of which have been generated through affinity-based methods for 5hmC enrichment. Although recent advances in the field have resulted in the ability to investigate the levels of both methylated and hydroxymethylated cytosines at single base resolution, such studies are still relatively cost-prohibitive as well as technically challenging. As such affinity-based methods for the enrichment of 5hmC-modified DNA fragments represent a cost-effective and highly informative method for profiling 5hmC residency in genomic DNA. Here we will outline protocols for two independent affinity based methods to generate 5hmC enriched fractions for subsequent locus specific and genome-wide analysis; immunoprecipitation using highly specific 5hmC antibodies as well as a chemical capture based method. PMID- 29224171 TI - Genetic mapping and validation of the loci controlling 7S alpha' and 11S A-type storage protein subunits in soybean [Glycine max (L.) Merr.]. AB - KEY MESSAGE: Four soybean storage protein subunit QTLs were mapped using bulked segregant analysis and an F2 population, which were validated with an F5 RIL population. The storage protein globulins beta-conglycinin (7S subunit) and glycinin (11S subunits) can affect the quantity and quality of proteins found in soybean seeds and account for more than 70% of the total soybean protein. Manipulating the storage protein subunits to enhance soymeal nutrition and for desirable tofu manufacturing characteristics are two end-use quality goals in soybean breeding programs. To aid in developing soybean cultivars with desired seed composition, an F2 mapping population (n = 448) and an F5 RIL population (n = 180) were developed by crossing high protein cultivar 'Harovinton' with the breeding line SQ97-0263_3-1a, which lacks the 7S alpha', 11S A1, 11S A2, 11S A3 and 11S A4 subunits. The storage protein composition of each individual in the F2 and F5 populations were profiled using SDS-PAGE. Based on the presence/absence of the subunits, genomic DNA bulks were formed among the F2 plants to identify genomic regions controlling the 7S alpha' and 11S protein subunits. By utilizing polymorphic SNPs between the bulks characterized with Illumina SoySNP50K iSelect BeadChips at targeted genomic regions, KASP assays were designed and used to map QTLs causing the loss of the subunits. Soybean storage protein QTLs were identified on Chromosome 3 (11S A1), Chromosome 10 (7S alpha' and 11S A4), and Chromosome 13 (11S A3), which were also validated in the F5 RIL population. The results of this research could allow for the deployment of marker-assisted selection for desired storage protein subunits by screening breeding populations using the SNPs linked with the subunits of interest. PMID- 29224172 TI - Evaluation of clinical risk factors for osteoporosis and applicability of the FRAX tool in Joinville City, Southern Brazil. AB - : Clinical risk factors for fracture in Southern Brazil are similar to those used in Fracture Risk Assessment Tool (FRAX(r)). Age-dependent intervention thresholds had higher accuracy than a fixed cut-off point. INTRODUCTION: Access to bone mineral density testing is wanted for a large part of the Brazilian population. The FRAX(r) has an option to calculate the risk of fracture without this costly evaluation but relies on the clinical risk factors (CRFs) identified in the source cohorts used to generate FRAX. OBJECTIVE: The aims of this study were to determine whether the CRFs used in FRAX are also risk indicators for individuals in Southern Brazil and to evaluate possible intervention thresholds for treatment in Brazil. METHODS: We determined the CRFs for hip fractures in women and men aged 50 years and more with a hip fracture and controls in Joinville, Southern Brazil (April 1, 2010, and March 31, 2012). For intervention thresholds, we determined the accuracy of using the fixed thresholds of National Osteoporosis Foundation (NOF), USA, compared with the age-dependent thresholds of the National Osteoporosis Guideline Group (NOGG), UK. RESULTS: CRFs that were significant for hip fracture were very similar to FRAX, apart from chronic obstructive pulmonary disease and malabsorptive intestinal disease. FRAX based on the NOGG and NOF models had an accuracy of 64.2 and 58.7%, respectively. CONCLUSION: CRFs used in FRAX(r) were similar to those in the Southern Brazil. The NOGG model seems to be more accurate to discriminate patients with increased fracture risk in this population compared to the NOF model, but not significantly. PMID- 29224173 TI - Testing the specificity of executive functioning impairments in adolescents with ADHD, ODD/CD and ASD. AB - Current diagnostic systems conceptualise attention deficit hyperactivity disorder (ADHD), oppositional defiant/conduct disorder (ODD/CD) and autism spectrum disorder (ASD) as separate diagnoses. However, all three demonstrate executive functioning (EF) impairments. Whether these impairments are trans-diagnostic or disorder-specific remains relatively unexplored. Four groups of 10-16 year-olds [typically developing (TD; N = 43), individuals clinically diagnosed with ADHD (N = 21), ODD/CD (N = 26) and ASD (N = 41)] completed Go/NoGo and Switch tasks. Group differences were tested using analysis of co-variance (ANCOVA) including age, IQ, sex, conduct problems and ADHD symptoms as co-variates. Results indicated some disorder-specificity as only the ASD group demonstrated decreased probability of inhibition in the Go/NoGo task compared to all other groups. However, shared impairments were also found; all three diagnostic groups demonstrated increased reaction time variability (RTV) compared to the TD group, and both the ODD/CD and the ASD group demonstrated increased premature responses. When controlling for ADHD symptoms and conduct problems, group differences in RTV were no longer significant; however, the ASD group continued to demonstrate increased premature responses. No group differences were found in cognitive flexibility in the Switch task. A more varied response style was present across all clinical groups, although this appeared to be accounted for by sub-threshold ODD/CD and ADHD symptoms. Only the ASD group was impaired in response inhibition and premature responsiveness relative to TD adolescents. The findings suggest that some EF impairments typically associated with ADHD may also be found in individuals with ASD. PMID- 29224175 TI - Thalamic interactions of cerebellum and basal ganglia. AB - Cerebellum and basal ganglia are reciprocally interconnected with the neocortex via oligosynaptic loops. The signal pathways of these loops predominantly converge in motor areas of the frontal cortex and are mainly segregated on subcortical level. Recent evidence, however, indicates subcortical interaction of these systems. We have reviewed literature that addresses the question whether, and to what extent, projections of main output nuclei of basal ganglia (reticular part of the substantia nigra, internal segment of the globus pallidus) and cerebellum (deep cerebellar nuclei) interact with each other in the thalamus. To this end, we compiled data from electrophysiological and anatomical studies in rats, cats, dogs, and non-human primates. Evidence suggests the existence of convergence of thalamic projections originating in basal ganglia and cerebellum, albeit sparse and restricted to certain regions. Four regions come into question to contain converging inputs: (1) lateral parts of medial dorsal nucleus (MD); (2) parts of anterior intralaminar nuclei and centromedian and parafascicular nuclei (CM/Pf); (3) ventromedial nucleus (VM); and (4) border regions of cerebellar and ganglia terminal territories in ventral anterior and ventral lateral nuclei (VA-VL). The amount of convergences was found to exhibit marked interspecies differences. To explain the rather sparse convergences of projection territories and to estimate their physiological relevance, we present two conceivable principles of anatomical organization: (1) a "core-and-shell" organization, in which a central core is exclusive to one projection system, while peripheral shell regions intermingle and occasionally converge with other projection systems and (2) convergences that are characteristic to distinct functional networks. The physiological relevance of these convergences is not yet clear. An oculomotor network proposed in this work is an interesting candidate to examine potential ganglia and cerebellar subcortical interactions. PMID- 29224174 TI - Cost-Effectiveness of Treatments for the Management of Bone Metastases: A Systematic Literature Review. AB - BACKGROUND: Metastatic cancers occur when cancer cells break away from the primary tumour. One of the most common sites of metastasis is the bone, with several therapeutic options currently available for managing bone metastases. In a resource-constrained environment, policy makers and practitioners need to know which options are cost effective. OBJECTIVE: The aim of this systematic review was to review and appraise published economic evaluations on treatments for the management of bone metastases. METHODS: We searched eight bibliographic databases (MEDLINE, MEDLINE in Process, EMBASE, CSDR, DARE, HTA, EED and CPCI) for relevant economic evaluations published from each database's inception date until March 2017. Study selection, quality assessment and data extraction were carried out according to published guidelines. RESULTS: Twenty-four relevant economic analyses were identified. Seventeen of these studies focused on bone metastases resulting from a particular type of cancer, i.e. prostate (n = 8), breast (n = 7), lung (n = 1) or renal (n = 1), while seven report results for various primary tumours. Across types of cancer, evidence suggests that bisphosphonates result in lower morbidity and improved quality of life, for an additional cost, which is typically below conventional cost-effectiveness thresholds. While denosumab leads to health gains compared with zoledronic acid, it also results in substantial additional costs and is unlikely to represent value for money. The limited literature on the radiopharmaceutical strontium-89 (Sr89) and external beam radiotherapy (EBR) suggest that these treatments are cost effective compared with no treatment. CONCLUSIONS: The reviewed evidence suggests that bisphosphonate treatments are cost-effective options for bone metastases, while denosumab is unlikely to represent value for money. Evidence on EBR and Sr89 is limited and less conclusive. PMID- 29224176 TI - Validation of a method for estimating energy expenditure during walking in middle aged adults. AB - PURPOSE: The aim of this study was to test the validity of a method using an inertial measurement unit for estimating activity-related energy expenditure (AEE) during walking in middle-aged adults. METHODS: Twenty healthy middle-aged participants completed different treadmill walking trials with an inertial measurement unit adhered to their lower back. Gas exchange was monitored with indirect calorimetry. Mechanical data were used to estimate AEE from an algorithm developed by Bouten et al. (Med Sci Sport Exer 26(12):1516-1523, 1994). Three methods for removing the gravitational component were proposed and tested: mean subtraction method (MSM), high-pass filter method (HPM) and free acceleration method (FAM). RESULTS: The three methods did not differ significantly from the indirect calorimetry [bias = - 0.08 kcal min-1; p = 0.47 (MSM), bias = - 0.08 kcal min-1; p = 0.48 (HPM) and bias = - 0.15 kcal min-1; p = 0.23 (FAM)]. Mean root mean square errors were 0.43, 0.42 and 0.51 kcal min-1 for MSM, HPM and FAM, respectively. CONCLUSION: This study proposed an accurate method for estimating AEE in middle-aged adults for a large range of walking intensities, from slow to brisk walking, based on Bouten's algorithm. PMID- 29224177 TI - Thinking about one's own death after prostate-cancer diagnosis. AB - BACKGROUND: Prostate-cancer diagnosis increases the risk for psychiatric morbidity and suicide. Thoughts about one's own death could indicate need for psychiatric care among men with localized prostate cancer. We studied the prevalence and predictors of thoughts about own death among men with prostate cancer. METHODS: Of the 3930 men in the prospective, multi-centre LAPPRO-trial, having radical prostatectomy, 3154 (80%) answered two study-specific questionnaires, before and three months after surgery. Multivariable prognostic models were built with stepwise regression and Bayesian Model Averaging. RESULTS: After surgery 46% had thoughts about their own death. Extra-prostatic tumor growth [Adjusted Odds-Ratio 2.06, 95% Confidence Interval 1.66-2.56], university education [OR 1.66, CI 1.35-2.05], uncertainty [OR 2.20, CI 1.73-2.82], low control [OR 2.21, CI 1.68-2.91], loneliness [OR 1.75, CI 1.30-2.35], being a burden [OR 1.59, CI 1.23-2.07], and crying [OR 1.55, CI 1.23-1.96] before surgery predicted thoughts about one's own death after surgery. CONCLUSIONS: We identified predictors for thoughts about one's own death after prostate cancer diagnosis and surgery. These factors may facilitate the identification of psychiatric morbidity and those who might benefit from psychosocial support already during primary treatment. PMID- 29224178 TI - Evaluation of the anti-inflammatory and urotoxicity ameliorative effects of gamma humulene containing active fraction of Emilia sonchifolia (L.) DC. AB - In folklore medicine, the plant Emilia sonchifolia, belonging to the family Asteraceae, is used for treating tumour and inflammation. In our previous studies, we have done a thorough phytochemical investigation of E. sonchifolia with a report on its potent antimetastatic activity. Further, we isolated and characterised its active fraction (AFES) containing the major compound gamma humulene with an evaluation of the antiangiogenic effect of AFES (5 mg/kg b.wt.). In the first part of the present study, AFES in different concentrations was used for the assessment of its possible anti-inflammatory effect employing three in vivo inflammatory models. Further using the most effective concentration of AFES 5 mg/kg b.wt, its effect on proinflammatory cytokine levels was recorded along with a confirmatory gene expression analysis. The results manifested with a reduction in the paw oedema significantly decreased levels of proinflammatory cytokines, C-reactive protein, nitric oxide and also there was an efficient downregulation of cyclooxygenase-2 and inducible nitric oxide. Urotoxicity is one of the major side effects of conventional chemotherapy. So in the second part of the study, we used AFES in combination with the conventional therapeutic agent cyclophosphamide in vivo in mice. The effect of AFES on urotoxicity was assessed from various biochemical parameters, cytokine markers and finally with a histopathology of the bladder. The current study revealed the protective effects of AFES, implicating reduced levels of urea nitrogen, by revamping of glutathione and marker cytokine levels towards positive amelioration. The results obtained altogether proved the safeguarding effect of AFES in murine experimental models. PMID- 29224180 TI - Evaluation of a rapid immunochromatographic test for the detection of low burden Dirofilaria immitis (heartworm) in dogs and cats. AB - The performance of a rapid immunochromatographic test for the detection of Dirofilaria immitis antigens (Speed DiroTM; BVT-Virbac, France) was assessed in 49 experimentally infected dogs and in 244 naturally infected animals; 142 dogs and 102 cats. In experimentally infected dogs, Speed DiroTM showed a sensitivity of 90.9% in dogs infected with one adult female worm and 100% in dogs infected with more than one female worm. Specificity was 100%. For naturally infected dogs, the Knott test and PetChek(r) HTWM PF served as reference methods for microfilaremia and antigenemia, respectively. All microfilaemic dogs (55/142) were positive with Speed DiroTM. Importantly, none of the 21 dogs infected with D. repens were positive. The results of Speed DiroTM for the detection of antigenemia were compared with two in-house tests, SNAP(r) HTWM and Witness(r) Dirofilaria, and all three tests were 100% specific and sensitive in comparison to PetChek(r) HTWM PF. For the evaluation of feline samples, 102 cats were examined by echocardiography. Sera from 87 heartworm-infected cats were tested by Speed DiroTM and SNAP(r) HTWM. The results of Speed DiroTM were equivalent to SNAP(r) HTWM, with a sensitivity of 98.9% and a specificity of 100%. PMID- 29224179 TI - Antidiabetic Polypill Improves Central Pathology and Cognitive Impairment in a Mixed Model of Alzheimer's Disease and Type 2 Diabetes. AB - Type 2 diabetes (T2D) is an important risk factor to suffer dementia, being Alzheimer's disease (AD) as the most common form. Both AD and T2D are closely related to aging and with a growing elderly population it might be of relevance to explore new therapeutic approaches that may slow or prevent central complications associated with metabolic disorders. Therefore, we propose the use of the antidiabetic polypill (PP), a pharmacological cocktail, commonly used by T2D patients that include metformin, aspirin, simvastatin, and an angiotensin converting enzyme inhibitor. In order to test the effects of PP at the central level, we have long-term treated a new mixed model of AD-T2D, the APP/PS1xdb/db mouse. We have analyzed AD pathological features and the underlying specific characteristics that relate AD and T2D. As expected, metabolic alterations were ameliorated after PP treatment in diabetic mice, supporting a role for PP in maintaining pancreatic activity. At central level, PP reduced T2D-associated brain atrophy, showing both neuronal and synaptic preservation. Tau and amyloid pathologies were also reduced after PP treatment. Furthermore, we observed a reduction of spontaneous central bleeding and inflammation after PP treatment in diabetic mice. As consequence, learning and memory processes were improved after PP treatment in AD, T2D, and AD-T2D mice. Our data provide the basis to further analyze the role of PP, as an alternative or adjuvant, to slow down or delay the central complications associated with T2D and AD. PMID- 29224181 TI - Social cognition and aggression in methamphetamine dependence with and without a history of psychosis. AB - In substance use and psychotic disorders, socially problematic behaviours, such as high aggression may, in part, be explained by deficits in social cognition skills, like the detection of emotions or intentions in others. The aim of this study was to assess the magnitude of social cognition impairment and its association with aggression in individuals with methamphetamine (MA) dependence, methamphetamine-associated psychosis (MAP), and healthy controls (CTRL). A total of 20 MAP participants, 21 MA-dependent participants without psychosis, and 21 CTRL participants performed a facial morphing emotion recognition task (ERT) across four basic emotions (anger, fear, happiness and sadness) and the reading the mind in the eyes task (RMET), and completed the aggression questionnaire. Both MA-dependent groups showed impairment in social cognition in terms of lower RMET scores relative to CTRL participants (MA; p = .047; MAP: p < .001). Additionally, performance decrements were significantly greater in MAP (p = .040), compared to MA-dependent participants. While deficits in recognising emotional expressions were restricted to anger in the MA group (p = .020), a generalized impairment across all four emotions was observed in MAP (all p <= .001). Additionally, both patient groups demonstrated higher levels of aggression than CTRLs, yet no association was found with social cognition. This study supported the notion of deficits in recognising facial emotional expressions and inferring mental states of others in MA dependence, with additional impairments in MAP. Failure to detect an association between social cognitive impairment and aggressive behaviour may implicate independent disturbances of the two phenomena in MA dependence. PMID- 29224182 TI - Stable and rigid DTPA-like paramagnetic tags suitable for in vitro and in situ protein NMR analysis. AB - Organic synthesis of a ligand with high binding affinities for paramagnetic lanthanide ions is an effective way of generating paramagnetic effects on proteins. These paramagnetic effects manifested in high-resolution NMR spectroscopy are valuable dynamic and structural restraints of proteins and protein-ligand complexes. A paramagnetic tag generally contains a metal chelating moiety and a reactive group for protein modification. Herein we report two new DTPA-like tags, 4PS-PyDTTA and 4PS-6M-PyDTTA that can be site-specifically attached to a protein with a stable thioether bond. Both protein-tag adducts form stable lanthanide complexes, of which the binding affinities and paramagnetic tensors are tunable with respect to the 6-methyl group in pyridine. Paramagnetic relaxation enhancement (PRE) effects of Gd(III) complex on protein-tag adducts were evaluated in comparison with pseudocontact shift (PCS), and the results indicated that both 4PS-PyDTTA and 4PS-6M-PyDTTA tags are rigid and present high quality PREs that are crucially important in elucidation of the dynamics and interactions of proteins and protein-ligand complexes. We also show that these two tags are suitable for in-situ protein NMR analysis. PMID- 29224184 TI - Experimental validation of the diffusion model based on a slow response time paradigm. AB - The diffusion model (Ratcliff, Psychol Rev 85(2):59-108, 1978) is a stochastic model that is applied to response time (RT) data from binary decision tasks. The model is often used to disentangle different cognitive processes. The validity of the diffusion model parameters has, however, rarely been examined. Only few experimental paradigms have been analyzed with those being restricted to fast response time paradigms. This is attributable to a recommendation stated repeatedly in the diffusion model literature to restrict applications to fast RT paradigms (more specifically, to tasks with mean RTs below 1.5 s per trial). We conducted experimental validation studies in which we challenged the necessity of this restriction. We used a binary task that features RTs of several seconds per trial and experimentally examined the convergent and discriminant validity of the four main diffusion model parameters. More precisely, in three experiments, we selectively manipulated these parameters, using a difficulty manipulation (drift rate), speed-accuracy instructions (threshold separation), a more complex motoric task (non-decision time), and an asymmetric payoff matrix (starting point). The results were similar to the findings from experimental validation studies based on fast RT paradigms. Thus, our experiments support the validity of the parameters of the diffusion model and speak in favor of an extension of the model to paradigms based on slower RTs. PMID- 29224183 TI - Effects of Acute Alcohol Exposure on Layer 5 Pyramidal Neurons of Juvenile Mice. AB - Early-onset drinking during childhood or preadolescence is a serious social problem. Yet, most of the basic neurobiological research on the acute effects of ethanol has been carried out on adult or early postnatal animals. We studied the effect of alcohol exposure on the basic electrophysiological properties and cell viability of layer 5 pyramidal neurons from the somatosensory cortex of juvenile (P21-P23) C57BL/6N mice. After bath application of 50 mM ethanol to acute slices of the somatosensory cortex, no adverse effects were detected on cells survival, whereas the input resistance and firing rate of layer 5 neurons were significantly reduced. While the effect on the input resistance was reversible, the depressing effect on cell firing remained stable after 6 min of alcohol exposure. Ethanol application did not result in any significant change of mIPSC frequency, amplitude, and rise time. A slight increase of mIPSC decay time was observed after 6 min of ethanol exposure. The molecular mechanisms leading to these alterations and their significance for the physiology of the cerebral cortex are briefly discussed. PMID- 29224185 TI - Tension force-induced bone formation in orthodontic tooth movement via modulation of the GSK-3beta/beta-catenin signaling pathway. AB - Orthodontic force-induced osteogenic differentiation and bone formation at tension sites play a critical role in orthodontic tooth movement. However, the molecular mechanism underlying this phenomenon is poorly understood. In the current study, we investigated the involvement of the GSK-3beta/beta-catenin signaling pathway, which is critical for bone formation during tooth movement. We established a rat tooth movement model to test the hypothesis that orthodontic force may stimulate bone formation at the tension site of the moved tooth and promote the rate of tooth movement via regulation of the GSK-3beta/beta-catenin signaling pathway. Our results showed that continued mechanical loading increased the distance between the first and second molar in rats. In addition, the loading force increased bone formation at the tension site, and also increased phospho Ser9-GSK-3beta expression and beta-catenin signaling pathway activity. Downregulation of GSK-3beta activity further increased bone parameters, including bone mineral density, bone volume to tissue volume and trabecular thickness, as well as ALP- and osterix-positive cells at tension sites during tooth movement. However, ICG-001, the beta-catenin selective inhibitor, reversed the positive effects of GSK-3beta inhibition. In addition, pharmaceutical inhibition of GSK 3beta or local treatment with beta-catenin inhibitor did not influence the rate of tooth movement. Based on these results, we concluded that GSK-3beta/beta catenin signaling contributes to the bone remodeling induced by orthodontic forces, and can be used as a potential therapeutic target in clinical dentistry. PMID- 29224186 TI - Secondhand smoke is associated with heavy metal concentrations in children. AB - : Secondhand smoke (SHS) has adverse effects on health, particularly for children. Our purpose was to analyze the correlation between SHS exposure and heavy metal concentrations in children. The investigation was conducted in Xinxiang County, Henan Province, China, from August 2015 to December 2015. In total, 821 students (433 boys and 388 girls) were recruited, and the contents of heavy metals in their hair-including chromium, manganese, nickel, arsenic, lead, and cadmium-were detected by ICP-MS. The children's parents were informed, and a questionnaire was conducted, which included questions about smoking habits and demographic characteristics. Our results indicate that all parent smokers are fathers, 48.9% of fathers who are smokers, but 25.2% of fathers smoke in front of their children. The levels of chromium (median girls vs boys, MUg/g) (2.36 vs 2.06, p < 0.001), nickel (1.28 vs 0.97, p < 0.001), arsenic (0.55 vs 0.49, p < 0.001), and lead (2.73 vs 2.16, p < 0.001) in girls were significantly higher than in boys. The levels of cadmium (median, SHS group vs control: 0.43 vs 0.29 (MUg/g), p < 0.001) and lead (median, SHS group vs control: 2.71 vs 2.27 (MUg/g), p = 0.007) in the SHS group were significantly higher than in the control. Multi linear regression analysis indicated that SHS exposure in children is very likely to be correlated with increasing levels of lead (beta (95% CI): 0.53 (0.99-5.14), p = 0.023) and cadmium (beta (95% CI): 0.43 (0.14-0.73), p = 0.003) in their hair. In conclusion, children exposed to SHS have increased lead and cadmium accumulations in the body. CONCLUSION: In our study, 821 students (433 boys and 388 girls) were recruited, and the contents of heavy metals in their hair including chromium, manganese, nickel, arsenic, lead, and cadmium-were detected by ICP-MS. And the secondhand smoking (SHS) exposure was inquired by face-to-face investigation of their parents. We illustrated that children exposed to SHS have increased lead and cadmium accumulations in the body. What is Known: * Secondhand smoke (SHS) has adverse effects on health, particularly for children. * There might be correlation between SHS exposure and heavy metal concentrations in children. What is New: * The levels of chromium, nickel, arsenic, and lead in girls were significantly higher than in boys. * SHS exposure in children was correlated with increasing levels of lead and cadmium in their hair because of exposure to SHS. PMID- 29224187 TI - Surma eye cosmetic in Afghanistan: a potential source of lead toxicity in children. AB - : Surma is a traditional eye cosmetic used as an eyeliner for infants in Afghanistan, as well as in many other countries in Asia, the Middle East, and Africa. Surma has been reported to contain lead and to be a potential source of lead toxicity in children, which can lead to permanent damage to multiple organ systems. To our knowledge, assessment for lead in surma found in Afghanistan has not been performed. We determined the quantitative lead content of a convenience sample of 10 surma products acquired in Afghanistan. Analysis revealed that 70% of surma samples contained high levels of lead (range 35-83%). The remaining samples contained low levels of lead (range 0.04-0.17%). CONCLUSION: The majority of surma samples contained very high levels of lead, a troubling finding that could potentially correlate with lead toxicity in Afghan children. Making available lead-free surma alternatives and providing health education, for both healthcare professionals and the general population, in locations where surma use is prevalent and for those involved in care of refugees and immigrants from Afghanistan, may be strategies to prevent lead poisoning in children. What is Known: * Surma is a traditional cosmetic used as an eyeliner for infants in Afghanistan as well as in many countries in Asia, the Middle East, and Africa. * Surma has been reported to contain lead and to be a source of lead toxicity in children. What is New: * Assessment for lead content in surma found in Afghanistan has not been performed. * In this convenience sample of 10 surma products acquired in Afghanistan, 70% contained very high levels of lead. PMID- 29224188 TI - An Evaluation of a Social Skills Intervention for Adults with Autism Spectrum Disorder and Intellectual Disabilities preparing for Employment in Ireland: A Pilot Study. AB - Individuals with autism spectrum disorder (ASD) are faced with significant barriers relating to employment opportunities and workplace participation. This study evaluated the effectiveness of the Walker social skills curriculum: the ACCESS program and video modeling to increase social communication skills necessary for workplace inclusion. Participants attended two sessions (i.e., 3 h) per week across a period of 20 weeks. A multiple-probe design was used to demonstrate social skills outcomes across three broad curricular areas (i.e., peer-related, adult-related, and self-related social skills). Pre-and post intervention standardized assessments were also taken. Results showed significant increases in target social skills and a significant decrease in problem behaviors following intervention. Evidence of maintenance and generalization were also demonstrated. Implications for practice and research are discussed. PMID- 29224193 TI - Screening of yeasts for the production of 2-phenylethanol (rose aroma) in organic waste-based media. AB - : In this study, we isolated 28 yeast strains from samples of plant material and fermented food and evaluated the possibility of efficient production of 2 phenylethanol (2-PE) in the organic waste-based media supplemented with l phenylalanine (l-Phe). We used whey, a by-product from milk processing, as a base for media, and either glucose or three by-products from sugar beet processing as a fermentable carbon source. Ten newly isolated yeast strains were capable of producing over 2 g l-1 2-PE through the l-Phe biotransformation in a batch mode in standard medium. Among them, we selected eight strains producing 2-PE in a range of 1.17-3.28 g l-1 in 72 h batch cultures in shaking flasks in whey-based media. The strains were assigned to five species of Meyerozyma caribbica, Metschnikowia chrysoperlae, Meyerozyma guilliermondii, Pichia fermentans and Saccharomyces cerevisiae. While S. cerevisiae is known to be a promising producer of 2-PE, the four latter species are poorly studied on this application. Results presented here are better than other reported values for batch cultures of unmodified yeast strains. Therefore, it seems that whey and by-products from sugar beet processing might be a good feedstock for 2-PE bioproduction. SIGNIFICANCE AND IMPACT OF THE STUDY: 2-Phenylethanol (2-PE) is an alcohol with a pleasant rosy scent, which is commonly used in the food, fragrance and cosmetic industries as an aroma compound and preservative. Promising sources of 2-PE are yeasts, but still the biotechnological route has not been economically competitive to chemical synthesis. Thus, the first challenging goal to develop biotechnological production of 2-PE is the identification of highly productive yeasts and cheap feedstock. This study demonstrates for the first time the promising production of 2-PE by selected yeasts in organic waste-based media. This could pave the way for development of a cheaper method of 2-PE bioproduction. PMID- 29224189 TI - Acute loss of adipose tissue-derived adiponectin triggers immediate metabolic deterioration in mice. AB - AIM/HYPOTHESIS: Adiponectin (APN), a circulating hormone secreted by mature adipocytes, has been extensively studied because it has beneficial metabolic effects. While many studies have focused on the congenital loss of APN and its effects on systemic body glucose and lipid metabolism, little is known about the effects triggered by acute loss of APN in the adult mouse. We anticipated that genetically induced acute depletion of APN in adult mice would have a more profound effect on systemic metabolic health than congenital deletion of Adipoq, the gene encoding APN, with its associated potential for adaptive responses that may mask the phenotypes. METHODS: Mice carrying loxP-flanked regions of Adipoq were generated and bred to the Adipoq (APN) promoter-driven reverse tetracycline controlled transactivator (rtTA) (APN-rtTA) gene and a tet-responsive Cre line (TRE-Cre) to achieve acute depletion of APN. Upon acute removal of APN in adult mice, systemic glucose and lipid homeostasis were assessed under basal and insulinopenic conditions. RESULTS: The acute depletion of APN results in more severe systemic insulin resistance and hyperlipidaemia than in mice with congenital loss of APN. Furthermore, the acute depletion of APN in adult mice results in a much more dramatic reduction in survival rate, with 50% of inducible knockouts dying in the first 5 days under insulinopenic conditions compared with 0% of congenital Adipoq knockout mice under similar conditions. CONCLUSIONS/INTERPRETATION: Acute systemic removal of APN results in a much more negative metabolic phenotype compared with congenital knockout of Adipoq. Specifically, our data demonstrate that acute depletion of APN is especially detrimental to lipid homeostasis, both under basal and insulinopenic conditions. This suggests that compensatory mechanisms exist in congenital knockout mice that offset some of the metabolic actions covered by APN. PMID- 29224197 TI - Collecting patient-reported outcome measures. AB - Patient-reported outcome measures (PROM) are potentially useful outcome measures that may be reported at the individual clinical, health service and/or health system level. PROM require clearly defined patient populations to enable comparisons, and are most meaningful when integrated with clinical data sets. Where possible PROM should be measured pre- and post-intervention using reliable and validated tools. A variety of PROM collection methods exist which each have strengths and limitations, with selection depending on their purpose and patient factors. PROM programmes should be developed with high levels of clinician support and patient input to maximise collection of clinically relevant information. PMID- 29224191 TI - Bilateral choroiditis as the only sign of persistent Mycobacterium intracellulare infection following haematogenous spread in an immunocompromised patient. AB - An immunocompromised patient had positive blood cultures for Mycobacterium intracellulare and no identifiable organ seeding was started on treatment. One month later, the patient was clinically well with negative blood cultures but drug-induced myelotoxicity had developed. Ocular fundus examination at this time revealed bilateral choroidal granulomas which changed patient management. PMID- 29224196 TI - Diagnostic accuracy of posterior cervical angle and cervical length in the prediction of successful induction of labor. AB - OBJECTIVE: To determine the accuracy of the posterior cervical angle (PCA) compared with the cervical length and the Bishop score in predicting the outcome of induction of labor (IOL). METHODS: The present prospective observational study included IOL candidates who had their PCA and cervical length assessed by transvaginal ultrasonography and the Bishop score at the Obstetrics and Gynecology Department, Kasr El-Aini Hospital, Cairo University, Cairo, Egypt, between April 1 and July 31, 2017. The accuracy of these tests in predicting successful IOL (defined as vaginal delivery) was compared. RESULTS: The analysis included 49 women with successful IOL and 21 women with unsuccessful IOL. The suggested cutoffs for the prediction of successful IOL were a PCA of more than 99.5 degrees , a cervical length of less than 34 mm, and a Bishop score of more than five. The areas under the receiver operating characteristics curves for these three measures were not significantly different. However, a PCA of more than 99.5 degrees had the best sensitivity (91.84%), specificity (90.48), positive predictive value (95.7%), negative predictive value (82.6%), positive likelihood ratio (9.64), and negative likelihood ratio (0.09) compared with the other two predictors. CONCLUSION: A PCA of more than 99.5 degrees yielded the best accuracy in predicting successful IOL compared with the cervical length and the Bishop score. CLINICALTRIALS.GOV: NCT03113227. PMID- 29224192 TI - Short-term outcomes of arthroscopic TightRope(r) fixation are better than hook plate fixation in acute unstable acromioclavicular joint dislocations. AB - AIM: The aim of this study was to compare the short-term outcomes of arthroscopic TightRope(r) fixation with that of hook plate fixation in patients with acute unstable acromioclavicular joint dislocations. PATIENTS AND METHODS: We conducted a prospective case-control study of twenty-six patients with an acute ACJ dislocation who underwent surgical repair with either an arthroscopic TightRope(r) fixation or a hook plate from 2013 to 2016. Clinical and radiological data were collected prospectively. Clinical outcomes were evaluated using the Constant Score, the University of California at Los Angeles (UCLA) Shoulder Score, Oxford Shoulder Score as well as the visual analogue scale. Radiological outcomes were assessed with the coracoclavicular distance (CCD). RESULTS: Sixteen patients underwent arthroscopic TightRope(r) fixation, while 10 patients underwent hook plate fixation. There were no significant differences in the preoperative variables except for the mean UCLA 4b infraspinatus score (TightRope(r) 2.8 vs. hook plate 3.8; p = 0.030). Duration of surgery was significantly longer in the TightRope(r) group. At 1 year post-operatively, the TightRope(r) group had a significantly better Constant Score and CCD with no complications. All patients with hook plate fixation had to undergo a second procedure for removal of implant, and 3 patients had complications. CONCLUSIONS: Arthroscopic TightRope(r) fixation is a good option for the treatment of acute unstable ACJ dislocations. It has better short-term clinical and radiological outcomes as well as lesser complications when compared to hook plate fixation. LEVEL OF EVIDENCE: Therapeutic, Level III. PMID- 29224190 TI - Metabolic surgery for the treatment of type 2 diabetes in obese individuals. AB - Several bariatric operations originally designed to promote weight loss have been found to powerfully treat type 2 diabetes, causing remission in most cases, through diverse mechanisms additional to the secondary consequences of weight loss. These observations have prompted consideration of such operations as 'metabolic surgery', used expressly to treat diabetes, including among patients who are only mildly obese or merely overweight. Large, long-term observational studies consistently demonstrate that bariatric/metabolic surgery is associated with reductions in all cardiovascular risk factors, actual cardiovascular events, microvascular diabetes complications, cancer and death. Numerous recent randomised clinical trials, directly comparing various surgical vs non-surgical interventions for diabetes, uniformly demonstrate the former to be superior for improvements in all glycaemic variables, as well as other metabolic endpoints. These benefits are similar among individuals with type 2 diabetes and a preoperative BMI of 30-35 kg/m2 compared with traditional bariatric surgery patients with a BMI >35 kg/m2. The safety profiles of modern laparoscopic bariatric/metabolic operations are similar to those of elective laparoscopic hysterectomy and knee arthroplasty. However, more evidence regarding the risks, benefits and costs of surgery is needed from very long-term (>5 year) randomised clinical trials powered to observe 'hard' clinical endpoints following the operations most commonly used today. Given the efficacy, safety and cost effectiveness of metabolic surgery, the second Diabetes Surgery Summit (DSS-II) consensus conference recently placed surgery squarely within the overall diabetes treatment algorithm, recommending consideration of this approach for patients with inadequately controlled diabetes and a BMI as low as 30 kg/m2, or 27.5 kg/m2 for Asian individuals. These new guidelines have been formally ratified by 53 leading diabetes and surgery societies worldwide. Given this broad level of endorsement, we feel that the DSS-II recommendations should now replace the outdated National Institutes of Health (NIH) suggestions that have governed bariatric surgery practice and insurance compensation worldwide since 1991. PMID- 29224194 TI - Establishment and evaluation of an indirect immunofluorescence assay for the detection of salmonid alphavirus. AB - : Salmonid alphaviruses (SAV) severely infect farmed salmonids and rainbow trout. Owing to the recent increase in fish import trade, several SAV unreported countries, such as China, may face serious threat of this infection. Thus, it is necessary to develop efficient detection methods for the prevention and diagnosis of SAV infection. In this study, we selected a conserved segment of the SAV E1 protein as a target immunogen for the preparation of monoclonal antibodies (mAbs) specific to SAV. A sensitive indirect immunofluorescence (IF) method was developed using 26E9C2 mAb that detected E1 protein and identified subtypes 1, 2 and 5 of SAV. Thus, this assay provides a sensitive and specific detection method, and an improved technical support for the clinical diagnosis and epidemiological study of SAV. SIGNIFICANCE AND IMPACT OF THE STUDY: In this study, we successfully prepared two monoclonal antibodies (mAbs) against three subtypes of salmonid alphavirus (SAV), and established an indirect immunofluorescence assay that can be used to diagnose and prevent SAV from entering SAV unreported countries, such as China, through international trade. The application of this method will contribute to controlling SAV infection and reducing economic losses. PMID- 29224195 TI - Prevalence of soft tissue calcifications in the maxillofacial region detected by cone beam CT. AB - OBJECTIVE: To determine the prevalence of soft tissue calcifications in cone beam computed tomography (CBCT) scans with different fields of view (FOV) and to assess its relation with the clinical relevance of the CBCT findings. MATERIAL AND METHODS: One thousand CBCT scans were grouped according to FOV's size and region scanned (MX-FOV, maxilla; MD-FOV, mandible; and MM-FOV, maxilla/mandible) and evaluated for the presence of soft tissue calcifications. Laterality and length of the elongated styloid processes (ESP) were also assessed. RESULTS: Eight hundred and eighty-two soft tissue calcifications were detected in 626 (62.6%) patients. MM-FOV presented the highest prevalence (76.8%), followed by MD FOV (60.6%) and MX-FOV (57.2%). ESP and tonsillolith were the most frequent calcifications. Calcifications requiring treatment or not and those in need of follow-up accounted for 6.9%, 92.7%, and 0.3% of cases, respectively. There was no association between calcifications and subjects' gender or age (p > .05). Most cases of ESP occurred bilaterally and were longer in males (p < .05). CONCLUSIONS: There is a high prevalence of soft tissue calcifications in CBCT, and ESP and tonsilloliths are the most common types in all evaluated FOVs. While most cases do not require treatment, we emphasize the importance of detailed CBCT assessment for its diagnosis. PMID- 29224198 TI - Interpreting insulin immunoassays during investigation of apparent spontaneous hypoglycaemia and insulin overdose. AB - We report two cases of hypoglycaemia; one with apparently spontaneous hypoglycaemia and one with presumed insulin overdose. In both cases insulin concentration was normal when measured with the Roche immunoassay, but elevated when remeasured with the Advia Centaur immunoassay and a diagnosis of hypoglycaemia secondary to insulin analogue administration was made. These cases highlight that physicians need to understand the binding characteristics of the insulin immunoassay they use. PMID- 29224199 TI - Paradoxical psoriasiform reactions of anti-tumour necrosis factor therapy in inflammatory bowel disease patients. AB - Anti-tumour necrosis factor (TNF) agents have demonstrated efficacy in inflammatory bowel disease (IBD). Cutaneous reactions such as new onset psoriasis or psoriasiform-like reactions are among the most common adverse reactions. We retrospectively identified cases of anti-TNF-induced psoriasis or psoriasiform manifestations in IBD patients at a tertiary centre in Australia. A total of 10 (six females) of 270 (3.7%) IBD patients treated with anti-TNF therapy developed drug-induced psoriatic or psoriasiform-like reactions: five patients were treated with infliximab and five with adalimumab; nine had Crohn disease. The time from initiation of anti-TNF agent to onset of rash was 7.5 months on average. The most frequent distributions were the scalp (7/10) and extremities (6/10). Three patients discontinued anti-TNF treatment with resolution of the rash. Topical treatment of the lesions allowed continued use of biological agent in the majority. Paradoxical psoriatic lesions are recognised adverse events associated with anti-TNF therapy, but discontinuation of therapy due to dermatological complications is required only rarely, even in patients with psoriasiform lesions. PMID- 29224200 TI - Mortality in acute non-invasive ventilation. AB - A prospective study of non-invasive ventilation at The Prince Charles Hospital outside of the intensive care unit from March 2015 to March 2016 was performed. Overall 69 patients were included. Acute hypercapnic respiratory failure was the most common indication (n = 59; 85%). 49 (71%) had multifactorial respiratory failure. 15 (22%) patients died. Premorbid inability to perform self-care (P = 0.001) and the combination of mean pH < 7.25 and mean PaCO2 >= 75 mmHg within 2 h of NIV initiation (P = 0.037) were significantly associated with mortality. There was a non-significant association between older age and mortality. PMID- 29224201 TI - Changing trends for diagnostic methods in Graves disease in Australia: an immunological diagnosis as the emerging preference. PMID- 29224203 TI - Temporal artery biopsy: time matters! PMID- 29224204 TI - Pleuroperitoneal Denver shunt insertion for the treatment of refractory chylothorax in a patient with tuberous sclerosis complex and lymphangioleiomyomatosis. PMID- 29224205 TI - Healthcare-acquired infections: prevention strategies. AB - Healthcare-acquired infections (HAI) impact on patient care and have cost implications for the Australian healthcare system. The management of HAI is exacerbated by rising rates of antimicrobial resistance (AMR). Health-care workers and a contaminated hospital environment are increasingly implicated in the transmission and persistence of multi-resistant organisms (MRO), as well as other pathogens, such as Clostridium difficile. This has resulted in a timely focus on a range of HAI prevention actions. Core components include antimicrobial stewardship, to reduce overuse and ensure evidence-based antimicrobial use; infection prevention strategies, to control MRO - particularly methicillin resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus spp. (VRE) and, more recently, multi-resistant Gram-negative bacteria; enhanced institutional investment in hand hygiene; hospital cleaning and disinfection; and the development of prescribing guidelines and standards of care. AMR surveillance and comparisons of prescribing are useful feedback activities once effectively communicated to end users. Successful implementation of these strategies requires cultural shifts at local hospital level and, to tackle the serious threat posed by AMR, greater co-ordination at a national level. HAI prevention needs to be multi-modal, requires broad healthcare collaboration, and the strong support and accountability of all medical staff. PMID- 29224206 TI - Author reply. PMID- 29224207 TI - Acute kidney injury is under-recognised and under-reported in hospitalised patients in Australia. AB - Acute kidney injury (AKI) in hospitalised patients is associated with adverse outcomes; however, it remains unrecognised and under-reported. A total of 48 045 serum creatinine results from 8129 tertiary hospital inpatients were reviewed. The prevalence of AKI was 4.33%. Mortality was significantly higher in patients with AKI (16.76%) compared to those without AKI (1.88%, P < 0.001). Documentation of AKI in discharge summaries was poor. PMID- 29224208 TI - Time to resurrect hypertension. PMID- 29224209 TI - SIRCLE: a randomised controlled cost comparison of self-administered short-course isoniazid and rifapentine for cost-effective latent tuberculosis eradication. AB - BACKGROUND: Currently, treatment of latent tuberculosis infection (LTBI) in Australia consists most commonly of a 9-month course of isoniazid (9H). A 3-month course of weekly isoniazid and rifapentine (3HP) has been shown to be as effective as 9 months of daily isoniazid, and associated with less hepatotoxicity; however, rifapentine is not currently available in Australia. Introduction of this regimen would have apparent advantages for people with LTBI in Victoria by safely shortening duration of LTBI therapy. However, the cost benefit of this new therapeutic approach is uncertain. AIM: Cost-analysis of standard and short-course therapy for LTBI in an Australian context. METHODS: Single-centre randomised controlled trial conducted between December 2013-March 2016. Participants underwent 1:1 randomisation to either a 9-month course of daily isoniazid or a 12-week course of weekly isoniazid and rifapentine. The primary outcome measure was total healthcare system costs (in Australian dollars; AUD) per completed course of LTBI therapy. Secondary cost analyses were performed to consider varying assumptions regarding commercial cost of rifapentine. RESULTS: Overall, 34 of 40 (85%) participants in the 9H group and 36/40 (90%) in the 3HR group completed therapy. One patient in the 3HP group was hospitalised for a febrile illness; no hospitalisations were recorded in the 9H group. The cost per completed course of 9H was 601 AUD, while that of 3HP was significantly lower at 511 AUD (P < 0.01). CONCLUSIONS: This study provides cost analysis evidence to support the use of 3HP for the treatment of LTBI in Australia. PMID- 29224210 TI - Medical toxicology in the Old Testament. The poisonous pottage. PMID- 29224211 TI - Medication reconciliation at two teaching hospitals in Australia: a missed opportunity? AB - Medication reconciliation prevents medication related harm at patient hospitalisation. This cross-sectional study demonstrated that the Hunter New England Health Admission Medication History Form that supports the two processes is underutilised in two hospitals in New South Wales with many doctors unaware of the form and pharmacists facing understaffing and time constraints for completing it. Triaging of patients and, more collaboration between doctors and pharmacists are required for efficient in-hospital medication reconciliation. PMID- 29224212 TI - The utility of FDG-PET in complex neurological conditions. PMID- 29224213 TI - The threat among us: significance and scale of diabetic chronic kidney disease in Australia. PMID- 29224214 TI - Facial swelling and foreign body granulomatous reaction to hyaluronic acid filler in the setting of tyrosine kinase inhibitor therapy. PMID- 29224215 TI - Deleterious variants in DCHS1 are prevalent in sporadic cases of mitral valve prolapse. AB - BACKGROUND: A recent study identified DCHS1 as a causal gene for mitral valve prolapse. The goal of this study is to investigate the presence and frequency of known and novel variants in this gene in 100 asymptomatic patients with moderate to severe organic mitral regurgitation. METHODS: DNA sequencing assays were developed for two previously identified functional missense variants, namely p.R2330C and p.R2513H, and all 21 exons of DCHS1. Pathogenicity of variants was evaluated in silico. RESULTS: p.R2330C and p.R2513H were not identified in this cohort. Sequencing all coding regions revealed eight missense variants including six considered deleterious. This includes one novel variant (p.A2464P) and two rare variants (p.R2770Q and p.R2462Q). These variants are predicted to be deleterious with combined annotation-dependent depletion (CADD) scores greater than 25, which are in the same range as p.R2330C (CADD = 28.0) and p.R2513H (CADD = 24.3). More globally, 24 of 100 cases were carriers of at least one in silico predicted deleterious missense variant in DCHS1, suggesting that this single gene may account for a substantial portion of cases. CONCLUSION: This study reveals an important contribution of germline variants in DCHS1 in unrelated patients with mitral valve prolapse and supports genetic testing of this gene to screen individuals at risk. PMID- 29224216 TI - Association of School-Based Physical Activity Opportunities, Socioeconomic Status, and Third-Grade Reading. AB - BACKGROUND: Socioeconomic status (SES) is the most accurate predictor of academic performance in US schools. Third-grade reading is highly predictive of high school graduation. Chronic physical activity (PA) is shown to improve cognition and academic performance. We hypothesized that school-based PA opportunities (recess and physical education) would moderate the negative association between SES and third-grade reading. METHODS: Schools serving third-grade students were surveyed (N = 1279) for minutes/week of PA opportunities. Allotted weekly PA time and achievement data from participating schools (N = 784) were recorded and analyzed. To test the moderator hypothesis, moderated multiple regression analysis was conducted. RESULTS: The interaction of PA opportunities and SES explained a significant increase in variance in third-grade reading (b = .053, p < .001), thus moderating the relationship between SES and third-grade reading. Further analysis showed that schools offering greater than 225 minutes/week of PA opportunities experienced a greater (+5%) moderating effect. CONCLUSION: School based PA opportunities positively moderate the relationship between SES and third grade reading, and lowest SES schools experience greater moderating effects. Future research should consider PA opportunities as a moderator of the SES academic achievement relationship, and school policy makers should consider the influence that PA opportunities have on student achievement at varying SES levels. PMID- 29224217 TI - Longitudinal Trajectory of the Relationship Between Self-Esteem and Substance Use From Adolescence to Young Adulthood. AB - BACKGROUND: We examined the longitudinal trajectory of substance use (binge drinking, marijuana use, and cocaine use) in relation to self-esteem from adolescence to young adulthood. METHODS: Generalized estimating equation models were fit using SAS to investigate changes in the relation between self-esteem and each substance use (binge drinking, marijuana use, and cocaine use) from adolescence to young adulthood. Data were drawn from the 3 waves of the National Longitudinal Study of Adolescent Health, a nationally representative sample of middle and high school students in the United States (N = 6504). RESULTS: Self esteem was a significant predictor for the use of all 3 substances at 15 years of age (ps < .001). However, at age 21, self-esteem no longer predicted binge drinking and marijuana use in the controlled model. CONCLUSIONS: It appears that self-esteem loses its protective role against substance use except cocaine use as adolescents transition to young adulthood. PMID- 29224218 TI - Researchers Supporting Schools to Improve Health: Influential Factors and Outcomes of Knowledge Brokering in the COMPASS Study. AB - BACKGROUND: Although schools are considered opportune settings for youth health interventions, a gap between school health research and practice exists. COMPASS, a longitudinal study of Ontario and Alberta secondary students and schools (2012 2021), used integrated knowledge translation to enhance schools' uptake of research findings. Schools received annual summaries of their students' health behaviors and suggestions for action, and were linked with COMPASS knowledge brokers to support them in making changes to improve student health. This research examines the factors that influenced schools' participation in knowledge brokering and associated outcomes. METHODS: School- and student-level data from the first 3 years of the COMPASS study (2012-2013; 2013-2014; 2014-2015) were used to examine factors that influenced knowledge brokering participation, school level changes, and school-aggregated student health behaviors. RESULTS: Both school characteristics and study-related factors influenced schools' participation in knowledge brokering. Knowledge brokering participation was significantly associated with school-level changes related to healthy eating, physical activity, and tobacco programming, but the impact of those changes was not evident at the aggregate student level. CONCLUSIONS: Knowledge brokering provided a platform for collaboration between researchers and school practitioners, and led to school-level changes. These findings can inform future researcher-school practitioner partnerships to ultimately enhance student health. PMID- 29224219 TI - Measuring School Functioning in Students With Chronic Fatigue Syndrome: A Systematic Review. AB - BACKGROUND: It is often surmised that school functioning is significantly impacted in chronic fatigue syndrome (CFS); however, how this phenomenon manifests itself has rarely been characterized. METHODS: This systematic review synthesized and critically appraised methods, constructs, and instruments used to assess school functioning in students with CFS. Searches were conducted in electronic databases (CINAHL, MEDLINE, PubMed, ERIC, and PsycINFO) to locate empirical studies that measured school functioning in children and adolescents with CFS. RESULTS: A total of 36 papers met the inclusion criteria. By far the most commonly reported school functioning construct measured related to school attendance. This was followed by academic functioning, achievement motivation, and educational services received. Little consistency was found in the measurement of these constructs across studies. CONCLUSIONS: The current review revealed that the school experiences of children and adolescents with CFS have rarely been characterized beyond school absenteeism. Improvements in current assessment methods are required to comprehensively understand the impact of CFS on school functioning. Completely understanding the multiple aspects of school functioning will help to inform targeted strategies to optimize educational outcomes for students with CFS. PMID- 29224220 TI - Why and How Schools Make Nutrition Education Programs "Work". AB - BACKGROUND: There are many potential health benefits to having nutrition education programs offered by expert outside sources in schools. However, little is known about why and how schools initiate, implement, and institutionalize them. Gaining this understanding may allow the impact and reach of nutrition and other health education programs in schools to be extended. METHODS: A total of 22 school community members from 21 purposefully selected New York City public elementary schools were interviewed using a semistructured interview protocol about their schools' experiences initiating, implementing, and institutionalizing nutrition education programs. Interviews were audiotaped and transcribed. Chronological narratives were written detailing each school's experience and passages highlighting key aspects of each school's experience were identified. These passages (N = 266) were sorted into domains and themes which were regrouped, resorted, and adjusted until all researchers agreed the domains and themes represented the collective experiences of the schools. RESULTS: The interviews elicited 4 broad domains of action: building motivation, choosing programs, developing capacity, and legitimizing nutrition education. Within each domain, themes reflecting specific actions and thoughts emerged. CONCLUSIONS: The identified domains of action and their themes highlight specific, practical actions that school health advocates can use to initiate, implement, and institutionalize nutrition education programs in schools. PMID- 29224221 TI - Exploring the Associations Among Nutrition, Science, and Mathematics Knowledge for an Integrative, Food-Based Curriculum. AB - BACKGROUND: Explore associations between nutrition, science, and mathematics knowledge to provide evidence that integrating food/nutrition education in the fourth-grade curriculum may support gains in academic knowledge. METHODS: Secondary analysis of a quasi-experimental study. Sample included 438 students in 34 fourth-grade classrooms across North Carolina and Ohio; mean age 10 years old; gender (I = 53.2% female; C = 51.6% female). Dependent variable = post-test nutrition knowledge; independent variables = baseline-nutrition knowledge, and post-test science and mathematics knowledge. Analyses included descriptive statistics and multiple linear regression. RESULTS: The hypothesized model predicted post-nutrition knowledge (F(437) = 149.4, p < .001; Adjusted R = .51). All independent variables were significant predictors with positive association. CONCLUSIONS: Science and mathematics knowledge were predictive of nutrition knowledge indicating use of an integrative science and mathematics curriculum to improve academic knowledge may also simultaneously improve nutrition knowledge among fourth-grade students. Teachers can benefit from integration by meeting multiple academic standards, efficiently using limited classroom time, and increasing nutrition education provided in the classroom. PMID- 29224222 TI - Chronic Pain in the School Setting: The Teachers' Point of View. AB - BACKGROUND: The aims of this study were to (1) examine the reactions of teachers and student teachers to children experiencing pain, (2) identify the most common challenges and potential resources that are associated to dealing with them, and (3) examine whether their responses differed as a function of their experience or sex. METHODS: Forty teachers and 318 student teachers completed a survey which included descriptive information, a questionnaire that assesses different responses of participants to children who experience pain, and provides a list of problems and resources that participants might encounter and implement, respectively, when dealing with these children. RESULTS: The study participants most often endorsed use of coping and health-promoting responses. Experienced teachers endorsed solicitous responses significantly more often than student teachers. Women reported responding more with solicitous responses than men. Absenteeism and the negative effect of pain on the ability of students to engage in school activities were the most common pain-related challenges mentioned by the study participants overall. CONCLUSIONS: The findings emphasize (1) the need for developing guidelines to help teachers to help students experiencing chronic pain, and (2) the importance of including information about pediatric chronic pain in teachers training. PMID- 29224223 TI - Altering the School Breakfast Environment Reduces Barriers to School Breakfast Participation Among Diverse Rural Youth. AB - BACKGROUND: The purpose is to determine if altering school breakfast policies and the school breakfast environment will positively impact adolescent beliefs of the barriers and benefits of eating breakfast. METHODS: There were 904 adolescents from 16 rural high schools, Minnesota, in the BreakFAST Study who reported eating breakfast fewer than 4 times per week at baseline. Schools were randomized to intervention (N = 8 schools) or delayed intervention (N = 8) condition. The intervention lasted 1 school year. Students completed an online survey of beliefs of barriers and benefits to eating breakfast at baseline and follow-up. Summative scales were created. Bivariate and multivariate linear regression, accounting for clustering by school, was performed using SAS. Sex interaction was tested. Models tested the effect of the intervention on change in summative scales from baseline to follow -up. RESULTS: Participants were 54% female, 69.1% white, 36.6% eligible for free or reduced-price meals (FRM) and 13.1% of families received public assistance. The change in reported barriers was significantly different in intervention versus control schools (Net difference = 1.0, p = .03). There was no intervention effect of perceived benefits. CONCLUSIONS: A school-based policy and environmental change intervention can successfully reduce perceived barriers to eating school breakfast. PMID- 29224224 TI - Healthy and Ready to Learn: Effects of a School-Based Public Health Insurance Outreach Program for Kindergarten-Aged Children. AB - BACKGROUND: Rates of child insurance coverage have increased due to expansions in public programs, but many eligible children remain uninsured. Uninsured children are less likely to receive preventative care, which leads to poorer health and achievement in the long term. This study is an evaluation of a school-based health insurance outreach initiative, "Healthy and Ready to Learn," aiming to identify and enroll uninsured kindergarteners in areas of high economic need in 16 counties in North Carolina. METHODS: Regression discontinuity design and difference-in-differences analyses were used to estimate the effect of the initiative on Medicaid and CHIP enrollment (primary outcome) and preventive care use (well-child visits; secondary outcome). Focus groups and key-informant interviews were conducted to assess best practices and identify barriers to outreach for child enrollment. RESULTS: The initiative increased enrollment rates by 12.2% points and increased well-child exam rates by 8.6% points in the RD models, but not differences-in-differences, and did not significantly increase well-child visits. CONCLUSIONS: Findings demonstrate the potential benefits of using schools as a point of intervention in enrolling young children in public health insurance and as a source of trusted information for low-income parents. PMID- 29224226 TI - Bizarre appearance of chronic cutaneous lupus erythematosus of face mimicking factitial dermatitis. PMID- 29224225 TI - Downregulation of 15-hydroxyprostaglandin dehydrogenase by interleukin-1beta from activated macrophages leads to poor prognosis in pancreatic cancer. AB - Chronic inflammation has a crucial role in cancer development and the progression of various tumors, including pancreatic ductal adenocarcinoma (PDAC). The arachidonate cascade is a major inflammatory pathway that produces several metabolites, such as prostaglandin E2. The enzyme 15-hydroxyprostaglandin dehydrogenase (15-PGDH) degrades prostaglandin and is frequently decreased in several types of cancer; however, the molecular mechanisms of 15-PGDH suppression are unclear. The current study was carried out to elucidate the molecular mechanisms and clinical significance of 15-PGDH suppression in PDAC. Here, we showed that interleukin-1beta (IL-1beta), a pro-inflammatory cytokine, downregulates 15-PGDH expression in PDAC cells, and that IL-1beta expression was inversely correlated with 15-PGDH levels in frozen PDAC tissues. We also found that activated macrophages produced IL-1beta and reduced 15-PGDH expression in PDAC cells. Furthermore, the number of CD163-positive tumor-associated macrophages was shown to be inversely correlated with 15-PGDH levels in PDAC cells by immunohistochemical staining of 107 PDAC samples. Finally, we found that low 15-PGDH expression was significantly associated with advanced tumors, presence of lymph node metastasis and nerve invasion, and poor prognosis in PDAC patients. Our results indicate that IL-1beta derived from TAMs suppresses 15-PGDH expression in PDAC cells, resulting in poor prognosis of PDAC patients. PMID- 29224227 TI - Capacity-oriented approaches to developing childhood obesity interventions: a systematic review. AB - Capacity-oriented approaches to health interventions seek to empower the target population or community to manage the health issue themselves using resources they can control. Positive deviance, resilience and asset-based approaches are three such methods of developing and implementing health interventions. This study aimed to review the efficacy of interventions explicitly applying these methods in addressing childhood obesity using adiposity as the primary outcome, measured by standardized body mass index. The search strategy was developed and implemented across four electronic databases. Of the 181 records identified and screened, 11 studies were identified as using a capacity-oriented approach overall. Asset-based approaches (n = 8 studies) consisted of 47 880 participants, positive deviance (n = 2 studies) consisted of 781 participants, and resilience based interventions (n = 1 study) consisted of 35 participants. The asset-based approaches were mixed, with three of the eight studies showing a significant reduction in adiposity, while the other five did not find a difference. The positive deviance and resilience-based studies showed signs of efficacy in reducing adiposity. There was significant design heterogeneity across studies, and varied interpretations and definitions of the approaches were used. Further work should attempt to achieve some consensus on the use of these approaches to facilitate comparison and advance the science of capacity-oriented interventions for childhood obesity. PMID- 29224229 TI - Power Doppler ultrasound assessment of vascularization in hidradenitis suppurativa lesions. AB - BACKGROUND: Ultrasound (US) and Power Doppler (PD) US are useful tools to study and monitor the patients with hidradenitis suppurativa (HS). OBJECTIVE: Describe the PD signal of HS nodules, abscesses and fistulas. METHODS: A retrospective analysis of PD in mild, moderate and severe HS patients, collecting all demographic and clinical data. The lesions were classified according to their US morphology, describing the vascular degree - high, moderate and minimal - and distribution - peripheral, internal and mixed. Statistical analysis was performed using odds ratio and bivariate regression. RESULTS: A total of 241 lesions, 62 nodules, 64 abscesses, 99 simple fistulas and 16 complex fistulas, from 61 patients with HS, were included. Vascular distribution was defined peripheral in 143/241, mixed in 55/241 and internal in 0/241 lesions, regardless the clinical type. Qualitative Doppler showed high vascularization in 44/241 lesions, moderate in 79/241 and minimal in 75/241, despite the clinical type. All lesions showed resistive index <0.7. Age, disease's duration, size of the lesions, high Sartorius score and high BMI showed positive statistical correlation with both PD signal and mixed vascular distribution. No statistical significance was evidenced for vascular degree measurements. LIMITATIONS: US cannot detect lesions <0.1 mm. CONCLUSION: Vascular distribution of HS lesions can be evaluated by PD with additional relevant information for earlier and better disease management. PMID- 29224228 TI - Newcastle disease virus co-expressing interleukin 7 and interleukin 15 modified tumor cells as a vaccine for cancer immunotherapy. AB - Interleukin 15 (IL15) and IL7 are two cytokines essential for T cell development and homeostasis. In order to improve the antitumor activity by Newcastle disease virus (NDV)-modified tumor vaccine, we generated a recombinant NDV co-expressing IL15 and IL7 (LX/IL(15+7)) through incorporation of a 2A self-processing peptide into IL15 and IL7 using reverse genetics. B16 cells infected with LX/IL(15+7) expressed both IL15 and IL7 stably. The cytotoxicity assay showed that murine melanoma cells modified with LX/IL(15+7) could significantly enhance the antitumor immune response in vitro. Then, the antitumor effects of tumor vaccine modified with recombinant virus were tested in the murine tumor models. We observed strong antitumor responses induced by LX/IL(15+7)-modified tumor cells both in prophylaxis and therapeutic models. Although the tumor-infiltrating CD4+ T cells and CD8+ T cells were both increased, the antitumor activity of the tumor vaccine modified with LX/IL(15+7) was dependent on CD8+ T cells. Taken together, our data strongly indicated that tumor vaccine modified with NDV strain LX/IL(15+7) is a promising agent for cancer immunotherapy. PMID- 29224230 TI - Is neutrophilic desquamative erythroderma a form of acute generalized exanthematous pustulosis? PMID- 29224231 TI - Ultrastructural aspects of hairs of Chediak-Higashi syndrome. PMID- 29224232 TI - Physical activity and family-based obesity treatment: a review of expert recommendations on physical activity in youth. AB - Targeting physical inactivity in children is pertinent to aiding in the decrease of childhood obesity rates. Only 33% of adolescents are obtaining the recommended goal of at least 60 min of physical activity per day. The objectives of this review are to summarize professional recommendations for physical activity and exercise in children and adolescents, and identify family-centred strategies that can be implemented by weight management clinicians. Clinically oriented recommendations and policy statements from professional organizations were identified through literature and internet searches, summarized using rubrics of aerobic, muscle strengthening and bone strengthening exercise, then examined for details on family-based focus, inclusion of child developmental stage and age, and application to the prevention and treatment of obesity. Current recommendations give guidelines for the amount of physical activity that children should acquire and how many days a week activities should occur. However, available guidelines need an improved approach to addressing the role of the parents and caregivers in targeting physical activity and weight management in youth. Efforts must be taken in order to make sure that the types of physical activity offered are both suitable and enjoyable. Sports, games, free play and other age appropriate activities are adequate ways to increase moderate to vigorous physical activity in children. Differentiating physical activities types in accordance with developmental stage, level of enjoyment, and family characteristics is needed to establish sustainable habits. One paediatric obesity program has developed approaches to teaching families fun and engaging ways to be active together. PMID- 29224233 TI - Review article: Methodology for the 'rapid review' series on musculoskeletal injuries in the emergency department. AB - Musculoskeletal injuries are a common presentation to the ED, with significant costs involved in the management of these injuries, variances in care within the ED and associated morbidity. A series of rapid review papers were completed to guide best practice for the assessment and management of common musculoskeletal injuries presenting to the ED. This paper presents the methodology used across the rapid reviews. PubMed, CINAHL, EMBASE, TRIP and the grey literature, including relevant organisational websites, were searched in 2015. The search was repeated consistently for each topic area (injuries of the foot and ankle, knee, hand and wrist, elbow, shoulder, lumbar spine and cervical spine). English language primary studies, systematic reviews and guidelines that were published in the last 10 years and addressed acute musculoskeletal injury management were considered for inclusion. Data extraction of each included article was conducted, followed by a quality appraisal. The extracted data from each article was synthesised to group similar evidence together. For each rapid review, the evidence has been organised in a way that a clinician can direct their attention to a specific component of the clinical cycle of care in the ED, such as the assessment, diagnostic tests, management and follow-up considerations from ED. The series of rapid reviews are designed to foster evidence-based practice within the ED, targeting the injuries most commonly presenting. The reviews provide clinicians in EDs with rapid access to the best current evidence, which has been synthesised and organised to assist decision-making. PMID- 29224235 TI - Long-term cardiovascular reprogramming by short-term perinatal exposure to nicotine's main metabolite cotinine. AB - AIM: Gather 'proof-of-concept' evidence of the adverse developmental potential of cotinine (a seemingly benign biomarker of recent nicotine/tobacco smoke exposure). METHODS: Pregnant C57 mice drank nicotine- or cotinine-laced water for 6 wks from conception (NPRE = 2% saccharin + 100 MUg nicotine/mL; CPRE = 2% saccharin + 10 MUg cotinine/mL) or 3 wks after birth (CPOST = 2% saccharin + 30 MUg cotinine/mL). Controls drank 2% saccharin (CTRL). At 17 +/- 1 weeks (male pups; CTRL n = 6; CPOST n = 6; CPRE n = 8; NPRE n = 9), we assessed (i) cardiovascular control during sleep; (ii) arterial reactivity ex vivo; and (iii) expression of genes involved in arterial constriction/dilation. RESULTS: Blood cotinine levels recapitulated those of passive smoker mothers' infants. Pups exposed to cotinine exhibited (i) mild bradycardia - hypotension at rest (p < 0.001); (ii) attenuated (CPRE , p < 0.0001) or reverse (CPOST ; p < 0.0001) BP stress reactivity; (iii) adrenergic hypocontractility (p < 0.0003), low protein kinase C (p < 0.001) and elevated adrenergic receptor mRNA (p < 0.05; all drug treated arteries); and (iv) endothelial dysfunction (NPRE only). CONCLUSION: Cotinine has subtle, enduring developmental consequences. Some cardiovascular effects of nicotine can plausibly arise via conversion into cotinine. Low-level exposure to this metabolite may pose unrecognised perinatal risks. Adults must avoid inadvertently exposing a foetus or infant to cotinine as well as nicotine. PMID- 29224234 TI - An observational study of benzodiazepine prescription during inpatient alcohol detoxification for patients with vs. without chronic pretreatment with high dosage baclofen. AB - High-dose baclofen is prescribed as a maintenance treatment to reduce alcohol use in patients with alcohol use disorder. Nevertheless, some patients still have massive alcohol intakes and require inpatient alcohol withdrawal. To compare the oral dose of benzodiazepine prescribed to manage alcohol withdrawal symptoms in patients with vs. without steady-state pretreatment with high-dose baclofen. Retrospective chart review study. Prescribed benzodiazepine dose expressed in diazepam-equivalent was compared between groups. Thirty-one patients were assessed in the high-dose maintenance baclofen group and compared to 31 matched patients not receiving baclofen. No statistically significant difference was evident between groups regarding levels of benzodiazepines prescribed. The mean diazepam-equivalent dose during the first 7 days was 294 +/- 149 mg in the baclofen group vs. 310 +/- 133 mg (t-test = 0.440, P = 0.661) in matched controls. Steady-state high-dose baclofen before an inpatient alcohol cessation hospitalization does not lower the needed benzodiazepine dose in the management of alcohol withdrawal symptoms. PMID- 29224236 TI - Prognostic factors of prostate cancer mortality in a Finnish randomized screening trial. AB - OBJECTIVES: To identify the prognostic factors of prostate cancer death among patients enrolled in a Finnish prostate cancer screening trial. METHODS: Data on TNM stage, Gleason score, serum prostate-specific antigen at diagnosis, comorbidity and primary treatment were collected from medical records, as well as date and cause of death from Statistics Finland. Four prognostic risk groups were defined based on TNM stage, Gleason score and prostate-specific antigen at diagnosis. Hazard ratios and their 95% confidence intervals for prostate cancer death were calculated using Cox regression and competing-risk analysis with follow up from randomization. The differences in the effects of prognostic factors were assessed using interaction terms. RESULTS: The 15-year survival was significantly lower among cases in the control arm compared with the screening arm (0.90 vs 0.92). However, the survival advantage was limited to screen detected cases (0.94 vs 0.91 in cases detected outside screening). The prognostic risk group was the strongest factor predicting survival in the control arm, but weaker in screen-detected cases. Advanced disease was associated with substantially poorer outcome in cases detected outside screening than in screen detected disease. Primary treatment had a similar effect in all groups. Comorbidity had a small prognostic effect in the control arm only. CONCLUSIONS: Prognostic factors had a different effect on the outcome of cases detected through screening as those diagnosed otherwise. A high diagnostic prostate specific antigen and advanced disease carried a poor prognosis, especially among the cases detected outside screening, even when lead-time was eliminated. This shows that the screening resulted in earlier treatment among the cases in the screening arm. PMID- 29224238 TI - Laparoscopic splenectomy with selective intra-corporeal ligation of splenic hilar vessels for high grade splenic injury - video vignette. AB - A 59-year-old hemodynamically stable female is admitted following a domestic fall with blunt left sided thoraco-abdominal trauma. She lived alone and had multiple comorbidities including hepatitis C virus positive splenomegaly, chronic psychosis with a history of opioid and alcohol abuse. A CT-scan of thorax and abdomen with IV contrast showed left lung contusions and multiple left rib fractures with no pneumothorax, a high grade splenic injury with intra parenchymal hematoma and small arterial blushes in the superior splenic pole associated with celiac trunk stenosis, mild intra-abdominal free fluid and grade II injury to the left kidney. This article is protected by copyright. All rights reserved. PMID- 29224237 TI - Major haemorrhage fatalities in the Australian national coronial database. AB - OBJECTIVE: The aim of the study is to describe the epidemiology of major bleeding fatalities. METHODS: A case series analysis of Australia's National Coronial Information System was conducted. Keywords were used to search for closed cases of major haemorrhage in the state of Victoria for the period 1 January 2009 to 31 December 2011. Coroners' findings, autopsy reports and police reports of cases were reviewed. Demographic data were extracted, and cases were assigned to a clinical bleeding context. RESULTS: A total of 427 cases of major bleeding causing death were identified. The cohort was predominately men (69%), with a median age of 63 years (interquartile range 45-77 years). Trauma accounted for 38%, gastrointestinal haemorrhage 28%, surgical/procedural bleeding 14%, ruptured/leaking aneurysms 12% and other 8%. Most events began in homes (46%), hospitals (22%) and at the roadside (17%). Of those whose haemorrhage began in the community, 69% did not survive to hospital. CONCLUSIONS: Major bleeding fatalities occurred across a diverse range of contexts, with trauma and gastrointestinal bleeding accounting for most deaths. The majority of patients did not survive to reach hospital. Major haemorrhage occurring entirely outside hospital may be underrecognised from analyses of datasets based primarily on traumatic or in-hospital bleeding. These findings have implications for management of pre-hospital resuscitation and development of clinical practice guidelines for identification and management of major bleeding in the community. PMID- 29224239 TI - Personalized stepwise vascular control during complex hepatectomy involving hepatocaval confluence. AB - BACKGROUND: This study introduces an innovative stepwise vascular control technique to address the high risk of massive bleeding from main hepatic veins and the retro-hepatic inferior vena cava during hepatectomy involving hepatocaval confluence. METHODS: From January 2010 to July 2016, 80 patients underwent stepwise vascular occlusion during complex liver resection involving hepatocaval confluence. Relevant clinical data were collected and compared with those obtained in parallel studies. The protocol has been registered in the Protocol Registration and Results System as protocol NCT02996006. RESULTS: All 80 patients underwent portal triad (PT), infra-hepatic inferior vena cava (IIVC) and supra hepatic inferior vena cava (SIVC) preparation for occlusion in that order; PT, PT + SIVC and PT + IIVC + SIVC occlusions were performed during liver resection for six, 42 and 32 patients, respectively. The PT, IIVC and SIVC clamping times were 12.9 +/- 2.5, 9.1 +/- 2.1 and 5.1 +/- 1.4 min, respectively. The mean blood loss was 504.1 +/- 234.5 mL. Sixteen patients received blood transfusions. Haemodynamic parameters remained stable. No patients had life-threatening complications or died (Clavien-Dindo grade IV or V). Compared with other techniques used in parallel studies, this technique has the advantage of decreased blood loss in less warm ischaemia time. CONCLUSION: For complex hepatectomy involving hepatocaval confluence, this newly described stepwise vascular control technique was efficacious and feasible for controlling intraoperative bleeding. PMID- 29224240 TI - Phototherapy in France: quantitative data (2007-2016) from the National Health Insurance Register. PMID- 29224241 TI - Cost-effectiveness of bariatric surgery in adolescents with severe obesity in the UK. AB - Evidence shows that surgery for severe obesity in adults improves health and psychological functioning, and is cost-effective. Data on bariatric surgery for adolescents with severe obesity are extremely limited, with no evidence on cost effectiveness. We evaluated the lifetime cost-effectiveness of bariatric surgery compared with no surgery in adolescents with severe obesity from the UK's National Health Service perspective. Eighteen adolescents with body mass index >=40 kg m-2 who underwent bariatric surgery (laparoscopic Roux en Y Gastric Bypass [RYGB] [N = 9], and laparoscopic Sleeve Gastrectomy [SG] [N = 9]) at University College London Hospitals between January 2008 and December 2013 were included. We used a Markov cohort model to compare the lifetime expected costs and quality-adjusted life years (QALYs) between bariatric surgery and no surgery. Mean cost of RYGB and SG procedures were L7100 and L7312, respectively. For RYGB vs. no surgery, the incremental cost/QALY was L2018 (95% CI L1942 - L2042) for males and L2005 (95% CI L1974 - L2031) for females. For SG vs. no surgery, the incremental cost/QALY was L1978 (95% CI L1954 - L2002) for males and L1941 (95% CI L1915 - L1969) for females. Bariatric surgery in adolescents with severe obesity is cost-effective; it is more costly than no surgery however it markedly improved quality of life. PMID- 29224242 TI - Dermoscopic observations in disseminated cryptococcosis with cutaneous involvement. PMID- 29224243 TI - Discovery of a novel thermostable Zn2+ -dependent alcohol dehydrogenase from Chloroflexus aurantiacus through conserved domains mining. AB - AIMS: The purpose of the study was to demonstrate feasibility of the Conserved Domains Database (CDD) for identification of novel biocatalysts with desirable properties from a class of well-characterized biocatalysts. METHODS AND RESULTS: The thermostable ADH from Sulfolobus solfataricus with a broad substrate range was applied as a template for the search for novel thermostable ADHs via CDD. From the resulting hits, a putative ADH gene from the thermophilic organism Chloroflexus aurantiacus was cloned and expressed in Escherichia coli. The resulting enzyme was purified and characterized. With a temperature activity optimum of 70 degrees C and a broad substrate spectrum especially for diketones, a versatile new biocatalyst was obtained. CONCLUSIONS: Database-based mining in CDD is a suitable approach to obtain novel biocatalysts with desirable properties. Thereby, the available diversity of similar but not equal enzymes within this class can be increased. SIGNIFICANCE AND IMPACT OF THE STUDY: For industrial applications, there is a demand for larger diversity of similar well characterized enzymes in order to test them for a given process (biodiversity screening). For fundamental science, the comparison of enzymes with similar function but different sequence can provide insight into structure function relationships or the evolution of enzymes. This study gives a good example on how this demand can be efficiently met. PMID- 29224244 TI - A histopathological classification system of Tyr::NRASQ61K murine melanocytic lesions: A reproducible simplified classification. AB - Genetically engineered mouse models offer essential opportunities to investigate the mechanisms of initiation and progression in melanoma. Here, we report a new simplified histopathology classification of mouse melanocytic lesions in Tyr::NRASQ61K derived models, using an interactive decision tree that produces homogeneous categories. Reproducibility for this classification system was evaluated on a panel of representative cases of murine melanocytic lesions by pathologists and basic scientists. Reproducibility, measured as inter-rater agreement between evaluators using a modified Fleiss' kappa statistic, revealed a very good agreement between observers. Should this new simplified classification be adopted, it would create a robust system of communication between researchers in the field of mouse melanoma models. PMID- 29224245 TI - Regulation of c-MYC transcriptional activity by transforming growth factor-beta 1 stimulated clone 22. AB - c-MYC stimulates cell proliferation through the suppression of cyclin-dependent kinase (CDK) inhibitors including P15 (CDKN2B) and P21 (CDKN1A). It also activates E-box-mediated transcription of various target genes including telomerase reverse transcriptase (TERT) that is involved in cellular immortality and tumorigenesis. Transforming growth factor-beta 1 (TGF-beta1)-stimulated clone 22 (TSC-22/TSC22D1) encodes a highly conserved leucine zipper protein that is induced by various stimuli, including TGF-beta. TSC-22 inhibits cell growth in mammalian cells and in Xenopus embryos. However, underlying mechanisms of growth inhibition by TSC-22 remain unclear. Here, we show that TSC-22 physically interacts with c-MYC to inhibit the recruitment of c-MYC on the P15 (CDKN2B) and P21 (CDKN1A) promoters, effectively inhibiting c-MYC-mediated suppression of P15 (CDKN2B) and also P21 (CDKN1A) promoter activities. In contrast, TSC-22 enhances c-MYC-mediated activation of the TERT promoter. Additionally, the expression of TSC-22 in embryonic stem cells inhibits cell growth without affecting its pluripotency-related gene expression. These results indicate that TSC-22 differentially regulates c-MYC-mediated transcriptional activity to regulate cell proliferation. PMID- 29224247 TI - Cortisol and blood pressure levels decreased in fathers during the first hour of skin-to-skin contact with their premature babies. AB - AIM: Premature birth is an extremely stressful experience. In 2013 to 2014, we explored the physiological stress responses of fathers during their first skin-to skin contact (SSC) with their new baby. METHODS: We recruited 49 fathers whose partners had given birth to a premature baby of up to 33 weeks and three days. The study, in the neonatal intensive care unit (NICU) of a Quebec hospital, measured the physiological stress responses of the fathers before and after they first experienced SSC with their new baby. Cortisol levels and blood pressure were measured, and a generalised estimating equation was used for the data analysis. RESULTS: The fathers' cortisol levels decreased from 10.55 nmol/L, with a 95% confidence interval (95% CI) of 9.61-11.59 at the beginning of the experiment to 8.26 nmol/L (95% CI: 7.51-9.07) after 75 minutes. Meanwhile, their systolic blood pressure decreased from 135.16 mmHg (95% CI: 130-140) to 125.25 mmHg (95% CI: 121-129). CONCLUSION: Fathers who held their baby in SSC for the first time showed a significant reduction in physiological stress responses. Our findings support hospital practices that enable fathers to experience their first intimate contact with their newborn infant in the NICU. PMID- 29224248 TI - Is there a pathogenetic link between frontal fibrosing alopecia, androgenetic alopecia and fibrosing alopecia in a pattern distribution? PMID- 29224246 TI - Circadian peak dopaminergic activity response at the biological clock pacemaker (suprachiasmatic nucleus) area mediates the metabolic responsiveness to a high fat diet. AB - Among vertebrate species of the major vertebrate classes in the wild, a seasonal rhythm of whole body fuel metabolism, oscillating from a lean to obese condition, is a common biological phenomenon. This annual cycle is driven in part by annual changes in the circadian dopaminergic signalling at the suprachiasmatic nuclei (SCN), with diminution of circadian peak dopaminergic activity at the SCN facilitating development of the seasonal obese insulin-resistant condition. The present study investigated whether such an ancient circadian dopamine-SCN activity system for expression of the seasonal obese, insulin-resistant phenotype may be operative in animals made obese amd insulin resistant by high-fat feeding and, if so, whether reinstatement of the circadian dopaminergic peak at the SCN would be sufficient to reverse the adverse metabolic impact of the high-fat diet without any alteration of caloric intake. First, we identified the supramammillary nucleus as a novel site providing the majority of dopaminergic neuronal input to the SCN. We further identified dopamine D2 receptors within the peri-SCN region as being functional in mediating SCN responsiveness to local dopamine. In lean, insulin-sensitive rats, the peak in the circadian rhythm of dopamine release at the peri-SCN coincided with the daily peak in SCN electrophysiological responsiveness to local dopamine administration. However, in rats made obese and insulin resistant by high-fat diet (HFD) feeding, these coincident circadian peak activities were both markedly attenuated or abolished. Reinstatement of the circadian peak in dopamine level at the peri-SCN by its appropriate circadian-timed daily microinjection to this area (but not outside this circadian time-interval) abrogated the obese, insulin-resistant condition without altering the consumption of the HFD. These findings suggest that the circadian peak of dopaminergic activity at the peri-SCN/SCN is a key modulator of metabolism and the responsiveness to adverse metabolic consequences of HFD consumption. PMID- 29224249 TI - Pili annulati in a case of Rothmund-Thomson syndrome with a novel frameshift mutation in RECQL4. PMID- 29224251 TI - Efficacy and safety of fesoterodine treatment for overactive bladder symptoms in elderly women with and without hypertension. AB - OBJECTIVE: To assess fesoterodine treatment in elderly women with overactive bladder with and without hypertension. METHODS: Data for 2527 elderly women with overactive bladder symptoms, including urgency urinary incontinence, were pooled from 10 double-blind, placebo-controlled fesoterodine studies. RESULTS: A total of 1523 elderly women (60.3%) had a history of hypertension, and 1004 women (39.7%) had no hypertension history. Overactive bladder symptoms, mean bodyweight and mean body mass index at baseline were significantly higher in women with overactive bladder and hypertension versus those without hypertension (P < 0.05). Statistically significant improvements in overactive bladder symptoms at week 12 were observed for fesoterodine treatment versus placebo in women with hypertension and those without (P < 0.05). The diary-dry rate (no urgency urinary incontinence episodes), the proportion with less than eight micturitions/24 h, overactive bladder symptom bother and health-related quality of life were also statistically significantly improved by fesoterodine treatment in both populations. Incidence of treatment-related adverse events with fesoterodine was similar in women with hypertension (39.3%) and without hypertension (44.6%). Dry mouth and constipation were the most common treatment-related adverse events with fesoterodine in women with hypertension (26.2% and 5.2%, respectively) and without hypertension (30.5% and 8.0%). CONCLUSIONS: A relationship among the severity of overactive bladder symptoms, hypertension and obesity in elderly women is suggested. Fesoterodine provides significantly greater improvements in overactive bladder symptoms and health-related quality of life versus placebo in women with or without hypertension. Hypertension does not appear to affect the efficacy and safety of fesoterodine in elderly women with overactive bladder symptoms, including urgency urinary incontinence. PMID- 29224250 TI - Multiple Autologous Bone Marrow-Derived CD271+ Mesenchymal Stem Cell Transplantation Overcomes Drug-Resistant Epilepsy in Children. AB - There is a need among patients suffering from drug-resistant epilepsy (DRE) for more efficient and less toxic treatments. The objective of the present study was to assess the safety, feasibility, and potential efficacy of autologous bone marrow cell transplantation in pediatric patients with DRE. Two females and two males (11 months to 6 years) were enrolled and underwent a combined therapy consisting of autologous bone marrow nucleated cells (BMNCs) transplantation (intrathecal: 0.5 * 109 ; intravenous: 0.38 * 109 -1.72 * 109 ) followed by four rounds of intrathecal bone marrow mesenchymal stem cells (BMMSCs) transplantation (18.5 * 106 -40 * 106 ) every 3 months. The BMMSCs used were a unique population derived from CD271-positive cells. The neurological evaluation included magnetic resonance imaging, electroencephalography (EEG), and cognitive development assessment. The characteristics of BMMSCs were evaluated. Four intravenous and 20 intrathecal transplantations into the cerebrospinal fluid were performed. There were no adverse events, and the therapy was safe and feasible over 2 years of follow-up. The therapy resulted in neurological and cognitive improvement in all patients, including a reduction in the number of epileptic seizures (from 10 per day to 1 per week) and an absence of status epilepticus episodes (from 4 per week to 0 per week). The number of discharges on the EEG evaluation was decreased, and cognitive improvement was noted with respect to reactions to light and sound, emotions, and motor function. An analysis of the BMMSCs' characteristics revealed the expression of neurotrophic, proangiogenic, and tissue remodeling factors, and the immunomodulatory potential. Our results demonstrate the safety and feasibility of BMNCs and BMMSCs transplantations and the considerable neurological and cognitive improvement in children with DRE. Stem Cells Translational Medicine 2018;7:20-33. PMID- 29224252 TI - Are inhaled steroids safe and effective for prevention or treatment of bronchopulmonary dysplasia? PMID- 29224254 TI - Appendicitis diagnosed on positron emission tomography scan: an 'incidentalitis'. PMID- 29224253 TI - Phytochemical Composition and Biological Activities of Dyssodia tagetiflora Lag. AB - While plants of the genus Dyssodia are used by man to a certain extent, few phytochemical and pharmacological studies have been performed with species of this genus. D. tagetiflora is an endemic plant of Mexico and has been used as fodder. The aim of this research was to isolate and identify the main bioactive components and evaluate the insecticidal, antioxidant, genotoxic and cytoprotective activities of D. tagetiflora. The isolated substances included an essential oil composed of six monoterpenes, and extracts containing two flavonols, three flavonol-glycosides and four thiophenes. The compounds were characterized using spectroscopic and spectrometric methods, including GC/MS, MS and NMR. The essential oil showed insecticidal activity against Drosophila melanogaster larvae. The methanolic extract of D. tagetiflora (DTME) had strong antioxidant activity against DPPH and ABTS radicals; DTME showed no evidence of genotoxic or cytotoxic effects. In contrast, DTME showed a cytoprotective effect attenuating the formation of H2 O2 -induced micronuclei in Vicia faba roots. This report is the first to describe the phytochemical and biological activity of D. tagetiflora. PMID- 29224255 TI - The highest mortality rates in childhood dilated cardiomyopathy occur during the first year after diagnosis. AB - AIM: The aim of the study was to assess the incidence, mortality and morbidity of dilated cardiomyopathy (DCM) and noncompaction of the left ventricle (LVNC) in Swedish children. METHODS: We reviewed hospital records of all children with dilated cardiomyopathy (DCM) or left ventricular noncompaction cardiomyopathy (LVNC) up to the age of 18 in the healthcare region of western Sweden from 1991 to 2015. RESULTS: In total, 69 cases (61% males) were identified. The combined incidence of DCM and LVNC was 0.77 (95% CI 0.59-0.96) per 100 000 person years. Children were divided into six groups, and their outcomes were analysed depending on their aetiology. Idiopathic DCM was reported in 43%, and familial dilated and left ventricular noncompaction aetiology was present in 32%. DCM due to various diseases occurred in 8%. DCM associated with neuromuscular diseases was present in 16%. The overall risk of death or receiving transplants in children with idiopathic and familial DCM was 30% over the study period, and 21% died in the first year after diagnosis. CONCLUSION: The combined incidence of DCM and LVNC was similar to previous reports. Most children with idiopathic DCM presented during infancy, and mortality was highest during the first year after diagnosis. PMID- 29224256 TI - Echocardiographic Estimates of Right Ventricular Systolic Function in Dogs with Myxomatous Mitral Valve Disease. AB - BACKGROUND: Right ventricular (RV) dysfunction independently predicts outcomes in human myxomatous mitral valve disease (MMVD). There is limited information regarding RV systolic function in dogs with MMVD. HYPOTHESIS: Right ventricular systolic function differs among stages of disease, decreasing in decompensated MMVD. ANIMALS: Thirty-sixclient-owned dogs with MMVD not receiving oral cardiovascular medications. METHODS: Prospective clinical study. Dogs were categorized according to disease severity as ACVIM Stage B1, B2, or C. Seven echocardiographic indices of RV systolic function were measured. Groups were compared by 1-way ANOVA and Tukey's HSD test. Frequencies of cases with cardiac remodeling falling outside previously established reference intervals were compared using Fisher's exact test. Intra- and interobserver measurement variability was calculated for each RV function index. RESULTS: The indices TAPSE (P = 0.029), RV StL (P = 0.012), and RV StRL (P = 0.041) were significantly different between groups. A greater proportion of B2 dogs (7 of 12) had TAPSE values above reference intervals compared with B1 (2 of 12) or C (2 of 12) dogs (P = 0.027). Measurement variability of TAPSE, RV S', and RV StG was clinically acceptable. CONCLUSIONS AND CLINICAL IMPORTANCE: Right ventricular systolic function differs between stages of MMVD, increasing in stage B2, and declining in stage C. The prognostic importance of RV function indices, particularly TAPSE, might be worth evaluating in dogs with MMVD. PMID- 29224258 TI - Progressive osseous heteroplasia in a Chinese infant and a novel mutation in the GNAS gene. PMID- 29224257 TI - Models of care for non-invasive ventilation in the Acute COPD Comparison of three Tertiary hospitals (ACT3) study. AB - BACKGROUND AND OBJECTIVE: Non-invasive ventilation (NIV) improves clinical outcomes in hypercapnic acute exacerbations of COPD (AECOPD), but the optimal model of care remains unknown. METHODS: We conducted a prospective observational non-inferiority study comparing three models of NIV care: general ward (Ward) (1:4 nurse to patient ratio, thrice weekly consultant ward round), a high dependency unit (HDU) (1:2 ratio, twice daily ward round) and an intensive care unit (ICU) (1:1 ratio, twice daily ward round) model in three similar teaching tertiary hospitals. Changes in arterial blood gases (ABG) and clinical outcomes were compared and corrected for differences in AECOPD severity (Blood urea > 9 mmol/L, Altered mental status (Glasgow coma scale (GCS) < 14), Pulse > 109 bpm, age > 65 (BAP-65)) and co-morbidities. An economic analysis was also undertaken. RESULTS: There was no significant difference in age (70 +/- 10 years), forced expiratory volume in 1 s (FEV1 ) (0.84 +/- 0.35 L), initial pH (7.29 +/- 0.08), partial pressure of CO2 in arterial blood (PaCO2 ) (72 +/- 22 mm Hg) or BAP-65 scores (2.9 +/- 1.01) across the three models. The Ward achieved an increase in pH (0.12 +/- 0.07) and a decrease in PaCO2 (12 +/- 18 mm Hg) that was equivalent to HDU and ICU. However, the Ward treated more patients (38 vs 28 vs 15, P < 0.001), for a longer duration in the first 24 h (12.3 +/- 4.8 vs 7.9 +/- 4.1 vs 8.4 +/- 5.3 h, P < 0.05) and was more cost-effective per treatment day ($AUD 1231 +/- 382 vs 1745 +/- 2673 vs 2386 +/- 1120, P < 0.05) than HDU and ICU. ICU had a longer hospital stay (9 +/- 11 vs 7 +/- 7 vs 13 +/- 28 days, P < 0.002) compared with the Ward and HDU. There was no significant difference in intubation rate or survival. CONCLUSION: In acute hypercapnic Chronic obstructive pulmonary disease (COPD) patients, the Ward model of NIV care achieved equivalent clinical outcomes, whilst being more cost-effective than HDU or ICU models. PMID- 29224259 TI - [Expert consensus of precise diagnosis and treatment for pancreatic head cancer using three-dimensional visualization technology]. AB - Three-dimensional (3D) visualization technology in pancreatic head cancers could offer decision-making support to preoperative diagnosis, resectability assessment and individualized surgical planning. In addition, the pancreas 3D printing helps to realize the leapfrog development from 3D images to 3D physical models and provides better guidance of the precise surgery of complicated cancers of the pancreatic head. In order to standardize the application of 3D visualization and 3D printing technology in the diagnosis and treatment of pancreatic head cancer, Chinese experts in relevant fields were organized by four committees to formulate this expert consensus. This consensus give the suggestion from ten aspects on the treatment of pancreatic head cancer, such as the preoperative evaluation, acquisition method of CT data, the construction of three-dimensional visualization model, clinical classification of resectability assessment based on the 3D visualization technology, simulation surgery, 3D printing, the guidance with 3D visualization technology on pancreatic cancer surgery, intraoperative examination of resectability assessment, and the other treatment based on 3D visualization technology with pancreatic head cancer. The consensus will give the reference to the doctors who is developing or is going to develop the 3D visualization technology on pancreatic head cancer. PMID- 29224260 TI - [Ten years retrospective review of the application of digital medical technology in general surgery in China]. AB - Digital medical technology is a powerful tool which has forcefully promoted the development of general surgery in China. In this article, we reviews the application status of three-dimensional visualization and three-dimensional printing technology in general surgery, introduces the development situation of surgical navigation guided by optical and electromagnetic technology and preliminary attempt to combined with mixed reality applied to complicated hepatectomy, looks ahead the development direction of digital medicine in the era of artificial intelligence and big data on behalf of surgical robot and radiomics. Surgeons should proactively master these advanced techniques and accelerate the innovative development of general surgery in China. PMID- 29224261 TI - [Current situation and prospect of diagnosis and treatment of tuberous sclerosis related renal angiomyolipoma]. AB - Tuberous sclerosis complex is an autosomal dominant disease involving multiple organs and multiple systems. The main manifestation is renal angiomyolipoma in the kidney. It is the most common cause of death in adults, because of its high incidence, rapid growth and bleeding. The incidence of this disease is low and the cognition is not enough, so the diagnosis and treatment are lack of standardization. Recently, the expert consensus of the diagnosis and treatment of tuberous sclerosis related renal angiomyolipoma has been established in China. This content fills the gap in this field in China. With the development of precision medicine, the diagnosis and treatment of such diseases are also progressing. PMID- 29224262 TI - [Discussion of N staging category of the eighth edition of The AJCC Esophageal Cancer Staging System]. AB - AJCC Esophageal Cancer Staging System, 8(th) edition will be implemented on January 1, 2018. The N staging in 8(th) edition of staging system remains following 7(th) edition based on the number of metastatic nodes, except the limited revision of the regional lymph node map. N staging revision was reviewed from the simple definition of negative (N0) and positive (N1) lymph node(s) to the positive node number based proposal (7(th) edition). The 7(th) edition staging system, especially the N staging, were proved with more advantages on distinguishing disease progression and predicting prognosis of the esophageal cancer. On other hand, the disadvantages of 7(th) edition N staging are discussed. The refined N staging based on the number of metastatic node station is introduced. The extent and station of metastatic node could better reflect the disease progression and prognosis according to our research. The controversy on N staging of esophagogastric junction cancer is discussed as well. Other reported N staging associated index including lymph node ratio, lymphatic vessel invasion and biomarkers are reviewed and evaluated. PMID- 29224263 TI - [Strategies for the prevention and control of bleeding due to vascular injury in thoracoscopic lung surgery]. AB - The technique of thoracoscopic lung surgery has gradually matured. Nowadays, thoracoscope is recommended as the most preferred approach for surgical treatment of early stage non-small cell lung cancer in different guidelines. However, there are still some cases of accidential major bleeding due to vascular injury during thoracoscopic lung surgery. The wall of the hilum vessels is relatively thin. These vessels often involve a great portion of the cardiac output blood flow. Once the injury happened, the emergent condition may be life-threatening due to massive blood loss. Therefore, this became an important factor which hindered the development of thoracoscopic lung surgery. In this review, details of the vascular injury in thoracoscopic lung surgery were summarized, including the incidence of vascular injury, commonly injured sites and reasons of the injuries. Among all the cases of thoracoscopic major pulmonary resection, 2.9% to 9.2% may suffer from vascular injury during the operation. The most commonly injuried sites are pulmonary artery and the branches, and this is also the most critical situation during thoracoscopic lung surgery. Hilum adhesion is the most important risk factor for vascular injury. On the one hand, the suction-compressing angiorrhaphy technique was developed for bleeding control and angioplasty. On the other hand, the strategies like pre-control of the pulmonary, cut the bronchus in advance, and fire the bronchus and pulmonary artery together may decrease the incidence of vascular injury in patients with risk factors. PMID- 29224264 TI - [Comparison of the prognostic value of the seventh and eighth edition of The AJCC Esophageal Cancer Staging System for the patients with stage II and IIIesophageal squamous cell carcinoma]. AB - Objective: To compare and evaluate the prognostic value of the 7(th) and 8(th) edition of The AJCC Esophageal Cancer Staging System for patients with stage II and III esophageal squamous cell carcinoma. Methods: The clinical data of 328 esophageal cancer patients who received operation at Department of Esophageal Cancer, Tianjin Tumour Hospital from January 2006 to December 2010 were restrospectively analyzed. There were 63 female and 265 male patients. The mean age was 65 (range: 33 to 87) years. Univariate and multivariate analysis were performed to identify the prognosis factors. Results: The five years overall survival rates among patients with stage II and III were both significantly different (chi(2)=87.035, 84.730, all P=0.000) according to the 7(th) and 8(th) editions of the TNM staging systems. The five years overall survival rate among patients with stage IIB and IIIA were significantly different (39.6% vs 23.4%, P=0.001) according to the 7(th) edition of the esophageal cancer staging systems.According to the 8(th) edition of the esophageal cancer staging system, the 5 years survival rate of patients with stage IIA and IIB, IIIB and IV was statistically significant (58.5% vs. 35.5%, P=0.040; 18.9% vs. 0, P=0.000). In multivariate analysis, tumor size, T staging, N staging and tumor differentiation (HR=1.592, 95%CI: 1.185 to 2.139, P=0.002; HR=1.519, 95% CI: 1.236 to 1.867, P=0.000; HR=1.647, 95% CI: 1.448 to 1.874, P=0.000; HR=1.404, 95% CI: 1.059 to 1.861, P=0.018) were the main independent prognosis factors affecting the prognosis of esophageal squamous cell carcinoma patients. Conclusions: Both the 7(th) and the 8(th) editions of TNM staging systems are able to reflect the clinical prognosis of patients receiving radical resection of esophageal cancer, and the factors of tumor size, differentiaton, invasion depth and lymph node metastases are the independent predictors of prognosis. The 8(th) edition provides a more detailed and more reasonable for the staging of stage II and III for esophageal cancer patients than the 7(th) edition, and it is more accurate for the prognosis of patients with esophageal cancer after surgery. PMID- 29224265 TI - [Analysis on the clinical therapeutic effects of arterial first approach pancreatoduodenectomy in the treatment of borderline resectable pancreatic adenocarcinoma]. AB - Objective: To compare the clinical therapeutic effects of arterial first approach pancreaticoduodenectomy(AFA-PD) with standard approach pancreaticoduodenectomy(SPD) in the treatment of borderline resectable pancreatic cancer (BRPC). Methods: A retrospective analysis of the clinical data of 113 cases of pancreatic cancer patients from January 2014 to August 2015 at Department of Hepato-Biliary-Pancreatic Surgery, Changhai Hospital, the Second Military Medical University, including 43 cases in AFA-PD group and 70 cases in SPD group.Every patient had gone high-resolusion computed tomography before the surgery, when BRPC was definitely diagnosed by both experienced radiologist and pancreatic surgeon.There were 24 males and 19 females in the AFA-PD group, with average age of (61.6+/-10.2)years.And in the SPD group, there were 47 males and 23 females, with average age of (62.7+/-9.4)years. Results: The operation time was (210.7+/-31.5)minutes in AFA-PD group, (187.9+/-27.4)minutes in SPD group, and peroperative bleeding volume was (1 007.1+/-566.3)ml in AFA-PD group, (700.0+/-390.0)ml in the other group.Those two indicators of AFA-PD group, compared with SPD group, were relatively higher, the difference was statistically significant(all P<0.01). And with regard to postoperative diarrhea(9.3% vs.5.7%), postoperative 1, 3 days of white blood cells(postoperative 1 day: (13.3+/ 1.1)*10(9)/L vs.(12.4+/-2.4)*10(9)/L; postoperative 3 days: (12.7+/-1.6)*10(9)/L vs.(11.7+/-2.5)*10(9)/L), postoperative 1, 3, 5 days of peritoneal drainage fluid volume(postoperative 1 day: (184+/-42)ml vs.(156+/-54)ml; postoperative 3 days: (155+/-48)ml vs.(133+/-35)ml; postoperative 5 days: (66+/-20)ml vs.(47+/-31)ml), the differences between the two groups were statistically significant (all P<0.05). One patient in the SPD group was treated with unplanned secondary surgery for postoperative intraperitoneal hemorrhage, and the patient was cured and discharged.There was no death in the two groups within 30 days after surgical operation and no patient with positive gastric margin, duodenal margin, or anterior margin.The resection rate of superiormesenteric artery(SMA) margin R0 in AFA-PD group was higher than that in SPD group (P=0.019). The two groups were followed up for 14 to 30 months.As for AFA-PD group, the average survival time, progression free survival time and median survival time was respectively (20.4+/ 1.2)months, (21.5+/-1.4)months and 20 months.There were 3 cases(7.0%) with local recurrence and 8 cases(18.6%) with liver metastasis or distant metastasis.In the SPD group, the average survival time, progression free survival time and median survival time was (17.1+/-1.1)months, (16.4+/-1.3)months and 16 months, respectively.There were 13 cases(18.6%) with local recurrence and 25 cases(35.7%) with liver metastasis or distant metastasis.As a result, the AFA-PD group had longer survival time(P=0.001)and progression free survival time(P=0.002). However, the lower local recurrence and distant metastasis rate in AFA-PD group did not reach statistical standard (P>0.05). Conclusion: The arterial first approach pancreaticoduodenectomy is safe and effective in the treatment of borderline resectable pancreatic cancer, which can improve the resection rate of SMA margin R0, and prolong patient survival time. PMID- 29224266 TI - [Application of liver three-dimensional visualization technologies in the treatment planning of hepatic malignant tumor]. AB - Objective: To discuss the application of three dimentional(3D)visualization technologies in treatment plan of hepatic malignant tumor. Methods: The clinical data of 300 patients with liver malignant tumor who received treatment from January 2016 to January 2017 in the Third Department of Hepatic Surgery of Eastern Hepatobiliary Surgery Hospital was retrospectively analyzed in this study, including 221 male and 79 female patients aged from 7 to 76 years with median age of 54 years. The median height was 168 cm (115-183 cm), the median weight was 65 kg (20-105 kg) and the median tumor volume was 142 ml (23-2 493 ml). Three-dimensional visualization technology was used in all patients to reconstruct liver three-dimensional graphics. Also, two and three-dimensional methods were taken respectively to evaluate patients and develop treatment strategy. The change of treatment strategy caused by 3D evaluation, actual surgical plan, operation time, time of hepatic vascular occlusion, intraoperative blood loss, volumes of blood transfusion and postoperative complications was observed. Results: After three-dimensional visualization technology was applied, 75(25%) of 300 patients' treatment strategies had been changed. The range of hepatectomy was extended in 25 patients. And 7 of them were due to hepatic venous variation, which resulted in increasing drainage area. In other 4 patients, liver resections were extended due to lack of perfusion of the liver parenchyma after the removal of portal vein. And hepatectomy was expanded in 14 patients in order to increase the surgical margin. The range of hepatectomy was reduced in 8 patients, 4 of which were due to hepatic venous variation, such as hepatic vein of segment 4 or lower right posterior hepatic vein. The remaining 4 cases were because of insufficient residual liver volume.The surgical resection was performed in 278 cases, 257 of which received operation directly. Left hepatectomy was performed in 24 patients and right hepatectomy was performed in 33 patients. Left trisectionectomy was carried out in 12 patients and right trisectionectomy was carried out in 11 patients. Caudate lobectomy was applied in 10 patients. There were 18 cases of left lateral sectionectomy, 7 cases of right anterior sectionectomy, 25 cases of right posterior sectionectomy and 18 cases of mesohepatectomy. Single or multi segment resection was performed in 99 patients. The treatment strategy of thirty-six patients was converted to staged hepatectomy (ALPPS 11 cases and portal vein embolization 25 cases). The median operation time was 130 minutes (90-360 minutes) and the median inflow blood occlusion time was 20 minutes (0-75 minutes). Median blood loss volume was 200 ml (20-1 600 ml). Thirty-seven of 278 patients received transfusions, and the average red blood transfusion volume was (4.4+/-1.7)units (0-8 units). Median hepatic resection volume was 530 ml(30-2 600 ml). There were 117 cases of pleural effusion after operation, including 3 patients needing invasive therapy. Ascites occurred in 23 patients, 6 of whom needed invasive therapy. Biliary leakage was observed in 30 patients. Eight patients occurred hepatic cutting surface hemorrhage, 6 of whom received blood transfusion, and 4 of whom underwent laparotomy to stop bleeding. Three patients had pulmonary infection after surgery and 3 patients appeared biliary obstruction. Deep vein thrombosis took place in 2 patients and portal vein thrombosis was observed in 4 patients. No postoperative liver failure and death ever happened in our study group. Conclusion: Three-dimensional visualization technique can optimize the treatment strategy of patients with liver malignant tumor, improve surgical safety. PMID- 29224267 TI - [Clinical outcomes of cervical disc herniation treated by posterior percutaneous endoscopic cervical discectomy]. AB - Objective: To evaluate the clinical outcomes of posterior percutaneous endoscopic cervical discectomy (PPECD) for cervical disc herniation. Methods: A total of 23 patients who underwent PPECD for cervical disc herniation at Department of Spine Surgery, Guangdong Provincial Hospital of Chinese Medicine from August 2014 to April 2016 were reviewed. The mean age of the 17 males and 6 females was 49.5 years (range from 31 to 61 years). All patients had unilateral upper limb radiating symptoms, 13 patients with right upper limb radiating pain and 10 patients with left upper limb radiation pain, 17 patients with neck pain symptoms. Responsible segment: left C(4-5) 1 case, right C(4-5) 2 cases, left C(5 6) 4 cases, right C(5-6) 8 cases, left C(6-7) 5 cases, right C(6-7) 3 example.Operating time, length of hospitalization, complications, neck and arm Visual analog scale(VAS), and Neck Disability Index(NDI) were evaluated. The excellent and good rate of surgery was evaluated by using the Odom criteria. Harrison method was used to measure cervical curvature. The Cobb angle of the surgical segment was measured on the X-ray, and the range of motion (ROM) was calculated. The changes of the cervical curvature and the surgical segment ROM were compared pre- and post-operation. Results: The operation time was 94.1 min (range from 80 to 150 min). The average length of hospital stay was 4.8 days. The mean follow-up period was 23.5 months (range from 15 to 35 months). The preoperative arm VAS score was 6.95+/-0.88, 1-week postoperative arm VAS score was 2.09+/-0.67, the last follow-up arm VAS score was 1.04+/-0.98. The preoperative neck VAS score was 3.04+/-0.77, 1-week postoperative neck VAS score was 1.52+/-0.51 and the last follow-up neck VAS score was 0.61+/-0.78. The 1-week postoperative and last follow-up arm and neck VAS scores were significantly reduced compared with pre-operation (P<0.01). Compared with 1 week after surgery, the last follow-up of the arm and neck VAS score further reduced, the difference was statistically significant (P<0.01). The preoperative NDI was (58.52+/-4.98)%, the 1-week postoperative NDI was (33.74+/-4.72)%, the last follow-up NDI was (19.22+/-3.23)%. The 1-week postoperative and last follow-up NDI was significantly improved compared with pre-operation (P<0.01). Compared with 1 week after surgery, the last follow-up of the NDI further improved, the difference was statistically significant (P<0.01). The 1-week postoperative cervical curvature was (14.65+/-2.89) degrees , and it was improved compared with preoperative(14.23+/-3.06) degrees , the difference was statistically significant (P<0.05) . The last follow-up was cervical curvature(14.64+/-2.68) degrees , there was no significant difference compared with preoperative (P> 0.05). The preoperative surgical ROM was(5.37+/-1.83) degrees , 1-week postoperative was(5.53+/-1.52) degrees , and the last follow-up was (5.62+/-1.48) degrees , there was no significant difference pre-operative and post-operation (P> 0.05). The excellent and good rate was 91.3% (excellent in 16 cases, good in 5 cases, 2 cases). There was no nerve root injury, cerebrospinal fluid leakage, wound infection, and other complications. Conclusions: PPECD is a sufficient and safe supplement for cervical disc herniation, its recent clinical efficacy was good. And it has no significant effect on cervical stability. PMID- 29224268 TI - [Applied anatomy study of posterior approach via sacrectomy for reaching the deep intrapelvic sacral plexus]. AB - Objective: To observe the possibility of posterior approach via sacrectomy for reaching intrapelvic sacral plexus and expose the deep intrapelvic origin of sciatic nerve from sacral plexus in order to perform nerve graft. Methods: Five adult cadaver specimens were used in the study with prone position in May 2012. Cut off the gluteus maximus along the origins and lift to the lateral side, the piriformis was lay beneath. The sciatic nerve and the inferior gluteal nerve pierced from the infrapiriformis foramen in the operative field. Excise the origin of the piriformis via sacrectomy with osteotome and the length and width of the insertion on sacrum were measured. The piriformis was resected and then the sacral nerve roots beneath were exposed. The S2-S4 sacral nerve roots and the deep intrapelvic origin of sciatic nerve from sacral plexus were revealed after carefully dissecting. From July 2012 to June 2016, nine patients with lumbosacral plexus injury were performed surgery through the posterior approach in Department of Hand Surgery, Beijing Jishuitan Hospital.There were 6 male and 3 female patients, with a mean age of 29 years. All patients were diagnosed as upper and lower sacral plexus injury, in one of them combing with contralateral lower sacral plexus injury. The average time from injury to operation was 8.3 months. Results: The length and width of the piriformis insertion on sacrum were (3.44+/ 0.15) cm and (2.42+/-0.11) cm, respectively. The deep intrapelvic origin of sciatic nerve from sacral plexus in all nine patients can be revealed clearly and there was enough operative space that nerve transfer or graft can be performed through the posterior approach via sacrectomy. The total blood loss during operation was (1 822+/-1 523) ml. Conclusion: The piriformis and part of sacrum it attached can be resected safely through the posterior approach and the deep intrapelvic sacral plexus and the origin of sciatic nerve can be well exposed. PMID- 29224269 TI - [Surgical treatment and early-mid follow-up results of complete atrioventricular septal]. AB - Objective: To discuss the surgical treatment and early-mid follow-up results of complete atrioventricular septal defect (CAVSD). Methods: The clinic data of 235 cases of CAVSD underwent surgical treatment at Department of Cardiac Surgery, Guangdong General Hospital from June 2009 to June 2016 was analyzed retrospectively (104 male and 131 female patients). The patients were aged 18 days to 58 years (mid age 8.9 months) at surgery, and 2 cases of newborns (0.9%), 24 cases of 1 to 3 months (10.2%), 56 cases of 4 to 6 months (23.8%), 66 cases of 7 to 12 months (28.1%), 36 cases of 1 to 3 years (15.3%), 37 cases of 4 to 18 years (15.7%), and 14 cases above 18 years (6.0%). There were 129 cases of Rastelli type A (54.89%), 16 cases of type B (6.8%), 25 cases of type C (10.6%) and 65 cases of transitional type (27.7%). The patients were combined with 7 cases of unroofed coronary sinus syndrome, 5 cases of coarctation of aorta, 4 cases of tetralogy of Fallot, 3 cases of double outlet right ventricle, 1 case of transposition of the great arteries, 1 case of multiple ventricular septal defect, 1 case of pulmonary artery sling. The CAVSD correction operations were performed in 199 cases with modified single patch technique (84.7%), 26 cases with two patch technique (11.1%), 10 cases with conventional single patch technique (4.3%), and the corrective surgeries of other anomalies were performed in the meantime. Generalized Estimated Equation was used to statistical analysis of postoperative regurgitation level of mitral valve and tricuspid valve. Results: Followed-up for 1 to 7 years, 18 cases (7.7%) died overall and 15 cases (6.4%) died within 30 days post-operation.The mortality of little infant (operation age <=3 months) was much highest(26.9%). The mortality of different operation age had significant difference(P=0.007). There was no difference among the mortality with three techniques. Seven cases (3.0%) suffered from the re operation for severe mitral regurgitation. A total of 217 patients survived more than 1 year after initial surgery, and there were 11 cases (5.1%) with severe mitral regurgitation and 7 cases (3.2%) with severe tricuspid valve regurgitation at 1 year post-operation.The degree of mitral regurgitation after operation decreased at 1 week to 6 months, and slightly higher after 1 year postoperatively.The ratios of severe mitral regurgitation in different operative age group was statistically significant difference(P=0.017), mainly from 3 months group and 1 to 3 years group.The degree of tricuspid regurgitation decreased significantly after operation, and decreased gradually in the follow-up period. The ratio of postoperative residual severe tricuspid regurgitation was the highest in surgical aged >18 years old, less in 3 years group, the lowest in 3 to 18 years group. Conclusions: The mortality and the ratio of patients with serious mitral regurgitation were higher in infants less 3 months than elder patients. The infants need more frequently follow-up and medicine treatment after operation. The modified one patch technique is effective for all age groups. PMID- 29224270 TI - [Diagnosis and treatment of adrenal ganglioneuroma: a report of 80 cases]. AB - Objective: To review and discuss the experience of diagnosis and treatment of adrenal ganglioneuroma. Methods: Clinical data of 80 cases of adrenal ganglioneuroma undergoing surgery during January 1982 to May 2017 at Peking Union Medical College Hospital were retrospectively analyzed. There were 36 male and 44 female patients. Age ranged from 8 to 69 years old (mean 37.7 years old). The tumor diameter were 1.5 to 18.0 cm (mean 4.3 cm). There were 61 cases of adrenal ganglioneuroma diagnosed by imaging examination. All patients underwent adrenalectomy. Results: All procedures were performed successfully without serious complication. Including 15 open surgery and 64 retroperitoneal laparoscopic surgery. One laparoscopic case conversion to open surgery. The pathological diagnosis was adrenal ganglioneuroma. Fifteen cases were mixed with other tumor components. No recurrence or metastasis was observed during the follow-up of 2 months to 35 years. Conclusions: The diagnostic techniques for adrenal ganglioneuroma are helpful to judge the tumor property before operation. The laparoscopic surgery has become the current method for resecting tumors. It shows advantages of small trauma and speedy recovery. The relationship between tumor and surrounding tissues should be understand clearly before operation. Full preparation must be made before operation if adrenal ganglioneuroma mixed with other tumor components. PMID- 29224271 TI - [Clinical features and prognosis of rare subtypes of renal cell carcinoma]. AB - Objective: To investigate the clinical features and prognosis of rare subtypes of renal cell carcinoma. Methods: This retrospective study collected the data of 52 rare subtypes of renal cell carcinoma of patients who underwent surgery from January 2002 to December 2014 at Department of Urology, Peking University First Hospital. There were 12 patients with collecting duct carcinoma, 5 patients with Xp11.2 translocation renal cell carcinoma, 5 patients with mucinous tubular and spindle cell carcinoma, 30 patients with unclassified renal cell carcinoma. The study group included 25 male and 27 female patients, with mean age of 52 years. The mean tumour size was (6.5+/-3.9) cm (range: 1.5 to 21.0 cm). The basic clinical features, gross appearance, Fuhrman nuclear grade, TNM staging and prognosis of rare subtypes of RCC were studied. The OS curves were obtained for rare subtypes of renal cell carcinoma using the Kaplan-Meier method and compared using a Log-rank test. Results: The rate of lymph node and distant metastasis were 34.6% (18/52) and 17.3% (9/52). Malignancies were screened and detected by color Doppler ultrasonography or CT scan, however, no case was diagnosed before operation or aspiration, all cases were confirmed by the pathological examination. The average period of postoperative follow-up process was 65 months, and the mean survival time was (34+/-23) months. Conclusion: The clinical features of rare subtypes of renal cell carcinoma are similar to those of clear cell renal cell carcinoma, while the imaging changes will be helpful for diagnosis before operation. PMID- 29224272 TI - [The development and status of bioartificial liver]. AB - Liver failure is a serious stage during liver disease development of which mobidity is high. There is no effective treatment at present.Artificial liver support system is one of the important methods to treat liver failure which includes non-biological artificial liver, biological artificial liver and hybrid artificial liver. Among the artificial liver devices. The bioartificial liver is the most similar artifical liver device to human liver in terms of detoxification, synthesis and metabolism currently.The complexity of human liver function makes the biological artificial liver facing great challenges in selection of liver seed cells, construction of bioreactor and the best combination with auxiliary device, which leads to the slow development of bioartificial liver. In order to provide theoretical support for the study of bioartificial liver, the current status and its development are reviewed in the following aspects, the source of seed cells, the construction of bioreactor, the combination of auxiliary devices and the clinical application of bioartificial liver in this article. PMID- 29224273 TI - [Ki-67 expression and its effect on response to neo-adjuvant chemotherapy in invasive breast cancer]. AB - Objective: To investigate the response to neoadjuvant chemotherapy (NAC) among different molecular subtypes of breast cancers using molecular classification with Ki-67 (ER+ PR+ HER2+ Ki-67) or without Ki-67 (ER+ PR+ HER2). Methods: One hundred and twenty-seven cases of invasive breast cancer confirmed by core needle biopsy before NAC were collected from January 2007 to December 2009 and diagnosed at West China Hospital, Sichuan University. The cases were classified into different molecular subtypes using molecular classifications with or without Ki 67. Their clinical and pathological response to NAC was evaluated and compared. Results: The different subtypes using both molecular classifications showed significant difference in clinical response(with Ki-67: chi(2)=22.40, P<0.01; without Ki-67: chi(2)=9.202, P=0.027)but not pathological(P>0.05) response to NAC. By multivariate analysis, Ki-67 was predictive for a clinical complete response (P=0.041) and clinical overall response (P<0.01); also Ki-67 was the only clinicopathological factor predictive of pathological response(P=0.041). Conclusion: The molecular classification with Ki-67 is better to predict breast cancers responsiveness to NAC than the molecular classification without Ki-67. PMID- 29224274 TI - [Correlation analysis of PD-L1 expression and prognosis in triple-negative breast cancers]. AB - Objective: To investigate the relationship between PD-L1 expression and the clinicopathologic features and prognosis in triple-negative breast carcinomas (TNBC). Methods: All 142 cases of TNBC were collected from the First Affiliated Hospital of Nanjing Medical University from February 2011 to December 2014, and the surgical excision or biopsy specimens from patients without chemotherapy and radiotherapy were included. Histopathologic analysis of stromal tumor infiltrating lymphocyte (sTIL) was performed on HE sections, and PD-L1 immunohistochemical staining was done with MaxVision. Results: The PD-L1 expression rate was 34.5% (49/142) in tumor cells, and was 62.0% (88/142) in sTIL. The PD-L1 expression in tumor cells was positively correlated with tumor size (r=0.181, P=0.031), Ki-67 index (r=0.211, P=0.012), sTIL (r=0.380, P<0.01) and PD-L1 expression in sTIL (r=0.447, P<0.01). The PD-L1 expression in sTIL was positively correlated with tumor grade (r=0.215, P=0.01), Ki-67 index (r=0.253, P=0.002) and sTIL (r=0.370, P<0.01). The high stromal CD8(+) /FOXP3(+) ratio was significantly associated with improved overall survival (chi(2)=4.186, P=0.041). The high percentage of sTIL was significantly associated with improved overall survival (chi(2)=12.427, P<0.01) and progression-free survival (chi(2)=4.057, P=0.044). Conclusions: In TNBC, PD-L1 expression is positively correlated with Ki 67 and sTIL; the stromal CD8(+) /FOXP3(+) ratio and sTIL are significantly associated with prognosis. The PD-L1 expression, stromal CD8(+) /FOXP3(+) ratio and sTIL are biologically important in TNBC, and all these correlative factors are important potential parameters in assessing immunotherapy for TNBC. PMID- 29224275 TI - [Clinicopathologic study of infiltrating epitheliosis of the breast]. AB - Objective: To evaluate the morphological and immunohistochemical features of infiltrating epitheliosis and its differential diagnosis. Methods: Nine consultation and routine cases of infiltrating epitheliosis diagnosed from January 2015 to December 2016 in Fudan University Shanghai Cancer Center were collected. All tissues were formalin-fixed paraffin-embedded and routinely HE stained. The HE slides were reviewed. Immunohistochemical staining of CKpan, CK7, CK19, CK5/6, CK14, p63, SMMHC, Calponin, ER, PR, HER2, Ki-67 and S-100 protein was performed using Ventana BenchMark automated immunostainer. Results: The morphological features of infiltrating epitheliosis included: (1) Florid proliferation of epithelial cells forming solid nests or papillary, glandular and cord-like pattern. The proliferative cells possessed nuclei of varying size and shape without atypia. (2) The stroma was altered, showing varying degrees of fibrosis or sclerosis. (3) The proliferative epithelial nests might flow into the spaces within small ducts and lobules at the periphery of the lesion, resulting in pseudo-infiltration. Immunohistochemically, infiltrating epitheliosis was non uniformly positive for ER/PR, and was positive for high molecular weight CK5/6 and CK14. Myoepithelial markers p63, SMMHC and Calponin demonstrated intact, partial or entire loss of myoepithelial cells around the epithelial nests. The loss of myoepithelial markers staining was more frequent at the periphery of the lesion. The most important differential diagnoses included invasive ductal carcinoma, ductal carcinoma in situ (DCIS), and low grade adenosquamous carcinoma, etc. Conclusions: Infiltrating epitheliosis is an important pseudo infiltrating lesion. The lack of atypia, non-uniform ER/PR expression, positivity for high molecular weight cytokeratins, and the intact to partial to entire loss of myoepithelial markers around the proliferating cell nests are the key points to differentiate it from invasive carcinomas and DCIS. PMID- 29224276 TI - [Expression and mechanism of Twist2 in glioma]. AB - Objective: To investigate the significance of Twist2 in glioma and whether it is involved in the malignant transformation of glioma by epithelial-mesenchymal transition (EMT). Methods: Using immunohistochemical method detected the expression level of Twist2 in 60 cases of gliomas (including WHO grades II, III and IV, each for 20 cases) and 20 cases of non-tumor brain tissues. Real-time fluorescence quantitative PCR and Western blot were used to detect the expression level of Twist2 mRNA and protein in 61 cases of fresh glioma tissue (WHO grade II 16 cases, III 21 cases, IV 24 cases) and 12 cases of adjacent tissues, and the expression levels of E-cadherin, N-cadherin and vimentin were also investigated in fresh glioma tissue. Results: Immunohistochemistry results showed that the percentages of Twist2 expression in glioma was 90%(54/60) compared with 30%(6/20) in non-tumor brain tissues(P<0.01). The percentages of Twist2 expression were 75% (15/20), 95% (19/20), and 100% (20/20) in the WHO gradesII, III and IV gliomas, respectively. WHO grades IV and III were significantly higher than that of WHO grade II (P<0.01). There was no significant difference between WHO grade IVand WHO III glioma (P>0.05). Real-time fluorescence quantitative PCR and Western blot showed that the expression level of Twist 2 in gliomas was significantly higher than that in para-cancerous tissues (P<0.01), and those in WHO grades IV and III gliomas were significantly higher than that in WHO grade II glioma (P<0.01). There was no significant difference between WHO grade IVand grade III glioma (P>0.05). Detection of key protein expression in EMT by Western blot displayed that the expression of E-cadherin was negatively associated with Twist2 in glioma (r=-0.972, P<0.01). The expression of N-cadherin and vimentin was positively associated with Twist2 in glioma(r=0.971, P<0.01; r=0.968, P<0.01). Conclusions: The expression of Twist2 in human glioma is positively correlated with the malignant grade of glioma, which may be involved in the malignant progression of glioma by EMT. PMID- 29224277 TI - [Clinicopathologic analysis of micronodular thymoma with lymphoid stroma]. AB - Objective: To investigate the clinicopathologic features of micronodular thymoma with lymphoid stroma(MNT). Methods: Five cases of MNT diagnosed from January 2007 to December 2016 in Henan Provincial People's Hospital were collected.Hematoxylin Eosin staining and immunohistochemistry were used to evaluate the histological and immunophenotypic characteristics in 5 MNT cases. Epstein-Barr virus (EBV) status was detected by in situ hybridization for EBV-encoded small RNA (EBER). Polymerase chain reaction was used to detect the rearrangement of immunoglobulin genes. Results: Five cases were MNT, including 3 male and 2 female patients, mean aged 59 years (from 43 to 63 years). All patients had ananterior mediastinal mass, with no myasthenia gravis and autoimmune diseases, and underwent surgical resection.Half to ten years follow-up showed no recurrence.Grossly, the tumors were solid in 4 cases, and cystic and solid in 1 case; the border was clear. Histologically, the tumors presented as a distribution of micronodules separated by abundant lymphoid stroma with prominent germinal centers. The nodules were composed of neoplastic spindle, oval cells containing bland, oval nuclei.Immunohistochemical study showed strong positivity of the tumor cells for CKpan, CK19, CK5/6 and p63. Stains for EMA, CD117, calretinin, TTF1 were negative in the tumor cells.Scattered CD3, CD1a, and TdT positive immature T lymphocytes were noted in and around tumor nodules. Many lymphocytes in the stroma, including germinal centers, were positive for CD20.The bcl-2 was also detected in lymphocytes in the stroma, mantle and marginal zone of lymphoid follicles, and in part of tumor cells. Tumor cells and lymphocytes were negative for EBER. Immunoglobulin genes rearrangement analysis showed that B lymphocytes were polyclonal. Conclusions: MNT is a rare thymoma, which occurs in the elderly and has no obvious symptom. After complete resection, the prognosis is very good. The diagnosis should be based on a combination of clinicopathologic features, and other types of thymoma should be excluded. PMID- 29224278 TI - [Clinicopathologic and molecular genetic characterizations of biphenotypic sinonasal sarcoma]. AB - Objective: To investigate the clinicopathologic characteristics, immunophenotypes, molecular genetics, and diagnostic and differential diagnostic features of biphenotypic sinonasal sarcoma (BSNS). Methods: Three cases of BSNS were retrieved, the histomorphology, immunophenotype and molecular genetics were analyzed with review of literature. Results: There were 2 male and 1 female patient aged 45, 29 and 40 years, respectively.Computed tomography and magnetic resonance imaging examinations showed a large polypoid mass occupying the sinonasal cavity in all 3 patients. Microscopically, these tumors were un circumscribed and composed of cellular spindle-shaped cells arranged in long and interlaced fascicles. A hemangiopericytoma-like growth pattern was frequently identified. The overlying hyperplastic respiratory epithelium invaginated down into the tumor forming a cystic (2 cases), glandular (1 case) structures and inverted in a papilloma-like (1 case)pattern, and foci of eosinophilic metaplasia were also noted in 2 of the three cases. The tumor nuclei were bland-appearing, mitoses were scarce and necrosis was absent. Immunohistochemically, the tumor cells showed co-expression of neural and myogenic markers in all the 3 cases, including that 3/3 showed diffuse and strong positivity of S-100 protein, 3/3 positivity of smooth muscle actin (1 diffuse and 2 focal), 1/2 diffuse positivity of calponin, 1/3 focal positivity of desmin, and 1/1 focal positivity of MyoD1.In addition, 1 detected for beta-catenin showed focal nuclear positivity. None of the 3 showed positivity to cytokeratin, CD34 or SOX10 in the tumor cells.Ki-67 showed an index <5%, 10% and <2%, respectively. Fluorescence in situ hybridization analysis showed rearrangements of PAX3 gene in all 3 cases. In case 3, reverse transcription polymerase chain reaction, followed by Sanger sequencing, demonstrated an in-frame fusion between PAX3 and FOXO1.Follow-up information (range 3-15 months)showed no evidence of local recurrence or distant metastasis in three cases. Conclusions: BSNS is a newly described entity which can be readily confused with a variety of benign and malignant spindle cell tumors encountered in the sinonasal cavity; immunohistochemistry co-expression of neural and myogenic markers and PAX3 gene rearrangement can help distinguish this tumor from its many mimickers. PMID- 29224280 TI - [Invasive papillary carcinoma of breast: clinicopathologic analysis of 6 cases]. PMID- 29224279 TI - [Overexpression of TRPV1 after periphery nerve injury attenuates nerve regeneration in rats]. AB - Objective: To observe the effect of the expressive or functional blockage of TRPV1 on nerve regeneration after sciatic trans-section injury. Methods: AMG-517, a kind of TRPV1 inhibitor, was injected into the surrounding area of the ipsilateral lumbar dorsal root ganglia while unilateral sciatic nerve was transected. A total of 24 healthy male Sprague-Dawley rats were divided into 4 groups: control group, injury only group, injury+ AMG-517 150 MUg/kg group, injury+ AMG-517 300 MUg/kg group. The injury only group was injected the same volume of medium. The release of CGRP from dorsal-horn of spinal cord, the number of axons at proximal stem of sciatic nerve after transection, and the expression of TRPV1 in dorsal root ganglion were detected using the methods of ELISA, Western blot and semi-thin section (1 MUm)- toluidine blue staining 2 weeks after injury. Results: The release of CGRP in lumbar spinal dorsal horn was obviously decreased after AMG-517 treatment, which was the evidence of TRPV1 functional inhibition. CGRP in the control group was 0.15 ng/g, the injury only group 0.17 ng/g, AMG-517 150 MUg/kg group 0.09 ng/g, and AMG-517 300 MUg/kg group 0.11 ng/g(P<0.01). The number of axons which were myelinated or unmyelinated increased after the TRPV1 was inhibited by AMG-517(P<0.01). In addition, the injection of AMG-517 into surrounding dorsal root ganglion decreased the expression of TRPV1 in dorsal root ganglion(P<0.01). Conclusions: Over expression or activation of TRPV1 after periphery nerve injury has negative effect on nerve regeneration in fact; Inhibiting the over-expression or over-activation of TRPV1 after nerve injury facilitates axonal regeneration and nerve repair. PMID- 29224281 TI - [Clinicopathologic characteristics of 64 patients with AFP-producing gastric cancer]. PMID- 29224283 TI - [Spindle-shaped diffuse large B-cell lymphoma of ovary: report of a case]. PMID- 29224282 TI - [Clinicopathologic characteristics of pancreatoblastoma]. PMID- 29224284 TI - [Clinicopathologic features of Lynch syndrome with endometrial carcinoma combined with gastric cancer, colon cancer and rectal cancer: report of a case]. PMID- 29224285 TI - [Severe diarrhea associated with ganglioneuromatosis in elderly: report of a case]. PMID- 29224286 TI - [Primary malignant melanoma of trachea: report of a case]. PMID- 29224287 TI - [Mycobacterium marinum infection: report of a case]. PMID- 29224288 TI - [Indolent lymphoproliferative disorder and lymphoma]. PMID- 29224289 TI - [Ets transcription factors in pathogenesis of breast cancer]. PMID- 29224290 TI - [Clinicopathologic characteristics of peripheral squamous cell carcinoma of lung]. PMID- 29224291 TI - [Advances in relationship between PTEN and myocardial fibrosis]. PMID- 29224292 TI - [Roles of osteogenic niche in malignant tumor with bone metastasis]. PMID- 29224293 TI - [Development of diagnosis and treatment of chronic obstructive pulmonary disease needs participatory and personalized]. PMID- 29224296 TI - [Lung function test in Chinese COPD patients: challenge and strategy]. PMID- 29224294 TI - [Analysis of COPD management in China based on health insurance data]. PMID- 29224295 TI - [Respiratory support strategy and mode selection in acute exacerbation of COPD]. PMID- 29224297 TI - [Tobacco cessation is the most effective intervention for the prevention and treatment of obstructive pulmonary disease]. PMID- 29224298 TI - [Smoking abstinence rate and its associated factors between abrupt and gradual smoking cessation]. AB - Objective: To analyze and compare the abstinence rate of smoking quitting methods and its associated factors between abrupt and gradual smoking cessation in smokers with drug-based therapy. Methods: A prospective clinical study was conducted in patients undergoing quitting smoking intervention in Ruijin Hospital smoking cessation clinic between June 2013 and May 2016. All the subjects were randomized in a 1?1 ratio into the abrupt smoking cessation group (smoking as usual over 3 weeks before a planned quit day, and then stopping smoking abruptly) and the gradual smoking cessation group (gradually reducing tobacco use over 3 weeks before a planned quit day, and then stopping smoking totally). The primary outcome was the complete abstinence rate, and the secondary outcomes included 1 month, 3-month and 6 month 7-day point prevalence of abstinence rates and 3 month sustained abstinence rates. Changes of body weight and drug adverse events were also compared. Results: A total of 314 moderate to severe nicotine-dependent patients were admitted in the study, including 157 patients in the abrupt smoking cessation and 157 patients in the gradual smoking cessation group. Fourteen patients fell off during the follow-up. For the complete abstinence rate, the gradual smoking cessation group was higher than the abrupt smoking cessation group(55.0% vs. 36.9%, chi(2)=9.841, P=0.002) .For 7-d smoking abstinence rate in the 1st, 3rd, 6th month, there was no significant difference between the 2 groups (all P>0.05). As for the 3-month sustained abstinence rate, a higher smoking quitting rate was seen in the gradual smoking cessation group compared to the abrupt smoking cessation group in the 6-month follow-up (17.9% vs.8.7%, chi(2)=5.441, P=0.020). The adverse drug reaction incidence was higher in the abrupt smoking cessation group than the gradual smoking cessation group (Gastrointestinal discomfort: 39.2% vs. 17.7%, chi(2)=12.336, P=0.000; Dreaminess: 40.2% vs. 13.3%, chi(2)=20.172, P=0.000). Conclusions: For moderate to severe nicotine-dependent patients, the gradual smoking cessation could serve to enhance the abstinence rate and mitigate the withdrawal symptoms. PMID- 29224299 TI - [Correlation analysis of serum secreted frizzled-related protein 5 levels with airway inflammation and insulin resistance in chronic obstructive pulmonary disease patients]. AB - Objective: To investigate the relationship between serum secreted frizzled related protein 5(sfrp5) levels, insulin resistance, and airway inflammation in patients with chronic obstructive pulmonary disease(COPD). Method: A total of 178 COPD patients visiting our respiratory outpatient clinic from February 2015 to January 2017 were enrolled, and 99 healthy control subjects from the same time period were selected. Serum sfrp5 levels were compared between the 2 groups. Serum sfrp5 and inflammatory cytokines in induced sputum were observed in the 4 subgroups: insulin resistant COPD group [homeostasis model assessment of insulin resistance (HOMA-IR)>=2.29], non-insulin resistant COPD group, non-COPD insulin resistant group, and healthy control group. Results: Serum sfrp5 levels were found to be significantly higher in the COPD group as compared to the healthy control group (t=-14.29, P<0.001). Serum sfrp5 levels in the insulin resistant COPD group [(8+/-3)ng/ml] were significantly lower than that of the non-insulin resistant COPD group [(10+/-5)ng/ml], non-COPD insulin resistant group [(13+/ 3)ng/ml], and normal control group [(14+/-4)ng/ml, F=35.85, P<0.01]. The insulin resistant COPD group had higher levels of In(Homa-IR), as well as tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) in induced sputum as compared to the non-insulin resistant COPD group, non-COPD insulin resistant group, and healthy control group (F values were 64.968, 41.40, 64.15, respectively, P value <0.01 for all items). The non-insulin resistant COPD group had higher levels of In(HOMA-IR) as well as TNF-alpha and IL-6 in induced sputum as compared to the non-COPD insulin resistant group and healthy control group. FEV(1)/FVC and FEV(1)% predicted were significantly lower in the insulin resistant COPD group as compared to those of non-insulin resistant COPD group and non-COPD insulin resistant group, and healthy control group (F values were 2.481 and 8.37, respectively, P value<0.05 for all items). FEV(1)/FVC and FEV(1)% predicted were significantly lower in the non-insulin resistant COPD group as compared to those of the healthy control group and non-COPD insulin-resistant group. Serum sfrp5 levels were positively correlated to FEV(1)/FVC and FEV(1) predicted (r values were 0.466 and 0.412, respectively; P values were <0.001 and 0.007, respectively) and inversely correlated to In(HOMA-IR) and TNF-alpha and IL-6 in induced sputum (r values were -0.304, -0.459, -0.517, respectively; P values were <0.001, 0.002, <0.001, respectively). BMI, ln(HOMA-IR), and IL-6 in induced sputum were independent related factors (r(2) values were 0.286, 0.176, 14.69, respectively; P values were <0.01 for all items) Conclusion: Sfrp5 may be concurrently associated with COPD and insulin resistance; insulin resistance may be associated with airway inflammation and airflow limitation. Sfrp5 may be involved in the development of COPD and may be the key link by which insulin resistance exerts its effects on airway inflammation. PMID- 29224300 TI - [Etiological analysis and establishment of a discriminant model for lower respiratory tract infections in hospitalized patients]. AB - Objective: To analyze the pathogens of lower respiratory tract infection(LRTI) including bacterial, viral and mixed infection, and to establish a discriminant model based on clinical features in order to predict the pathogens. Methods: A total of 243 hospitalized patients with lower respiratory tract infections were enrolled in Fujian Provincial Hospital from April 2012 to September 2015. The clinical data and airway (sputum and/or bronchoalveolar lavage) samples were collected. Microbes were identified by traditional culture (for bacteria), loop mediated isothermal amplification(LAMP) and gene sequencing (for bacteria and atypical pathogen), or Real-time quantitative polymerase chain reaction (Real time PCR)for viruses. Finally, a discriminant model was established by using the discriminant analysis methods to help to predict bacterial, viral and mixed infections. Results: Pathogens were detected in 53.9% (131/243) of the 243 cases.Bacteria accounted for 23.5%(57/243, of which 17 cases with the virus, 1 case with Mycoplasma pneumoniae and virus), mainly Pseudomonas Aeruginosa and Klebsiella Pneumonia. Atypical pathogens for 4.9% (12/243, of which 3 cases with the virus, 1 case of bacteria and viruses), all were mycoplasma pneumonia. Viruses for 34.6% (84/243, of which 17 cases of bacteria, 3 cases with Mycoplasma pneumoniae, 1 case with Mycoplasma pneumoniae and bacteria) of the cases, mainly Influenza A virus and Human Cytomegalovirus, and other virus like adenovirus, human parainfluenza virus, respiratory syncytial virus, human metapneumovirus, human boca virus were also detected fewly. Seven parameters including mental status, using antibiotics prior to admission, complications, abnormal breath sounds, neutrophil alkaline phosphatase (NAP) score, pneumonia severity index (PSI) score and CRUB-65 score were enrolled after univariate analysis, and discriminant analysis was used to establish the discriminant model by applying the identified pathogens as the dependent variable. The total positive predictive value was 64.7%(77/119), with 66.7% for bacterial infection, 78.0% for viral infection and 33.3% for the mixed infection. Conclusions: The mostly detected pathogens were Pseudomonas aeruginosa, atypitcal pathogens, Klebsiella pneumoniae, influenza A virus and human cytomegalovirus in hospitalized patients with LRTI in this hospital. The discriminant diagnostic model established by clinical features may contribute to predict the pathogens of LRTI. PMID- 29224301 TI - [Application of bispectral index monitoring in sedation and analgesia for flexible bronchoscopy]. AB - Objective: To investigate the feasibility of using bispectral index monitoring in sedation and analgesia for bronchoscopy. Methods: Totally 285 patients admitted to the Respiratory Medicine Department of Nanjing First Hospital for bronchoscopy between June 2016 and December 2016 were assigned, according to their own wishes, into a conscious sedation group (171 cases receiving local anesthesia and conscious sedation, 89 males, 82 females, mean age 59+/-10 years) and a control group (114 cases undergoing local anesthesia, 59 males, 55 females, average age 61+/-12 years). The 2 groups were compared in terms of operation time, blood pressure, heart rate and other indicators during bronchoscopy including incidence of adverse events, memory of the procedure, willingness to be re-examined, safety of sedation and analgesia for bronchoscopy under bispectral index monitoring, and patient satisfaction in the postoperative follow-up. Results: The conscious sedation group and the control group had no difference in age and sex ratio(P>0.05). Compared with the patients in the control group(operation time 16+/-5 min and systolic blood pressure 153+/-21 mmHg, 1 mmHg=0.133 kPa), those in the conscious sedation group had a shorter operation time(14+/-5 min) and a lower systolic blood pressure(144+/-22 mmHg), with statistically significant difference (P<0.01). There was no significant difference in diastolic blood pressure and heart rate (89+/-14 mmHg and 84+/-17 times/min in the conscious sedation group and 92+/-12 mmHg and 87+/-14 times/min in the control group, P>0.05). Adverse events, overall intraoperative cough and bleeding were found to be significantly reduced in the conscious sedation group (27%, 4% and 13% and 60%, 13% and 35% in the control group, P<0.01), but transient hypoxia was not (12% in the conscious sedation group, and 14% in the control group, P=0.72). Patient satisfaction and willingness to be re-examined were markedly higher in the conscious sedation group (97%) than in the controls (4%, P<0.01). Conclusions: Bispectral index monitoring is safe in sedation and analgesia for bronchoscopy and has higher patient satisfaction, suggesting that it is a potential tool for use in clinical practice. PMID- 29224302 TI - [Clinical and radiological features of adult patients with different antisynthetase syndrome based on serum anti-aminoacyl-tRNA synthetase antibody type]. AB - Objective: To describe the clinical and radiological characteristics of antisynthetase syndrome associated interstitial lung disease in patients with different serum anti-aminoacyl-tRNA synthetase antibodies. Methods: We conducted a retrospective analysis of 5 adult patients with antisynthetase syndrome associated interstitial lung disease in Peking Union Medical College Hospital. Their clinical and chest radiological data were analyzed and relevant literatures were reviewed. Results: Among these 5 patients, there were 1 male and 4 females, aged from 32 y to 67 y, with a mean age of 53 y. Cough and exertional dyspnea were the main clinical complaints. Four cases showed mechanic's-like hands, and all of the 5 cases had Velcro rales in the basal lungs. None of them showed clubbing. Creatine kinase was elevated in 1 case with anti-Jo-1 synthetase antibody, and anti-nuclear antibody was positive in 4 cases, with different titers from 1?80 to 1?320, and anti-Ro-52 antibody was positive in 3 cases. Anti aminoacyl-tRNA synthetase antibody spectrum analysis showed 1 case with anti-Jo 1, 1 anti-PL-7, 1 anti PL-12, 1 anti-EJ and 1 anti-OJ synthetase antibody, respectively. Chest high resolution CT showed nonspecific interstitial pneumonia pattern in 1 case, and nonspecific interstitial pneumonia pattern with organizing pneumonia pattern in 4 cases. All the cases responded to immunosuppressive therapy including corticosteroids (with starting prednisone dosage more than 1 mg.kg(-1).d(-1)) plus azathioprine or Mycophenolate mofetil. Conclusions: Antisynthetase syndrome associated interstitial lung disease, characterized by the presence of different anti-tRNA synthetase antibodies, is an increasingly recognized clinical entity. Clinical and radiological features of different subtypes of antisynthetase syndrome are relatively heterogeneous. Nonspecific interstitial pneumonia pattern, nonspecific interstitial pneumonia pattern with organizing pneumonia pattern and organizing pneumonia pattern were common chest HRCT patterns. Prednisone plus immunosuppressive agents are the recommended first line therapy. PMID- 29224303 TI - [Atypical computed tomography manifestations of thoracic sarcoidosis]. AB - Objective: This study evaluated the atypical computed tomography (CT) manifestations of thoracic sarcoidosis. Methods: Medical data of 190 patients with thoracic sarcoidosis were retrospectively reviewed. Results: The atypical CT manifestations of thoracic sarcoidosis observed were unilateral hilar lymphadenopathy with or without mediastinal lymphadenopathy(n=12, 6.3%), mediastinal lymphadenopathy without hilar lymphadenopathy(n=9, 4.7%), patchy consolidation (n=23, 12.1%), sarcoid galaxy sign (n=22, 11.6%), reversed halo sign (n=1, 0.5%), and ground-glass opacities (n=52, 27.4%). Air trapping was found in 8 of 10 patients who underwent both inspiratory and expiratory CT. Post treatment CT scans showed improvements in most patients. Of the 12 patients with unilateral hilar lymphadenopathy with or without mediastinal lymphadenopathy, 10(83.3%) improved. Of the 9 patients with mediastinal lymphadenopathy without hilar lymphadenopathy, 8(88.9%) improved. Of the 23 patients with patchy consolidation, 15(65.2%) improved. Of the 22 patients with the sarcoid galaxy sign, 16(72.7%) improved. The patient with the reversed halo sign improved completely. Of the 52 patients with ground-glass opacities, 31(59.6%) improved. Of the 8 patients with air trapping, 7(87.5%) improved. Conclusions: The atypical imaging manifestations of thoracic sarcoidosis included unilateral hilar lymphadenopathy with or without mediastinal lymphadenopathy, mediastinal lymphadenopathy without hilar lymphadenopathy, patchy consolidation, the sarcoid galaxy sign, the reversed halo sign, ground-glass opacity, and air trapping. These lesions mostly improved after treatment. Familiarity with these atypical signs will help increase the diagnostic accuracy of imaging studies for thoracic sarcoidosis. PMID- 29224305 TI - [Recent advance in impacts of pulmonary rehabilitation on inflammation and oxidative stress in chronic obstructive pulmonary disease]. PMID- 29224304 TI - [Method for recording tension changes of small pulmonary artery and vein using the isolated vessel tension measurement system]. AB - Objective: To establish a standardized method for isolated pulmonary artery and vein rings with different diameter, pressure and length, which could provide a more scientific method for in vitro study of pulmonary vessel diseases. Methods: Male SD rats were anesthetized, and the right ventricular systolic pressure were measured. Small pulmonary artery and vein rings with 200-400 MUm in diameter and 2 mm in length were prepared by dissecting pulmonary arteries and veins. The pulmonary vessel rings were mounted in the organ bath by 2 stainless steel wires with diameter of 40 MUm. Then the internal circumference of the vessel rings was increased gradually with 100 MUm per step. At the same time the vascular tension was recorded by the Myograph System and Acknowledgement data acquisition system, and subsequently the passive length-tension exponential curve was made. The initial tension of the rings was set, equilibrated for another 30 min, and then stimulated with 60 mmol/L KCl 3 times, and the best contractile reactivity was achieved. The contractile reactivity of pulmonary artery rings and endothelial integrity were detected by exposure to 1 MUmol/L phenylephrine(PE) and 10 MUmol/L acetylcholine(Ach), while the contractile reactivity of pulmonary vein rings was detected by exposure to 1 MUmol/L U46619 and 10 MUmol/L papaverine. Results: The contraction and relaxation effects of the pulmonary artery rings reached 0.39 mg and 92% when they were stimulated by 1 MUmol/L PE and 10 MUmol/L Ach. The contraction and relaxation effects of pulmonary vein rings were up to 0.13 mg and 84% when they were exposed to 1 MUmol/L U46619 and 10 MUmol/L papaverine, respectively. Conclusion: Pulmonary artery and vein rings with appropriate basal tension and optimal vasodilator activity were prepared, and a standardized method of tension experiment for isolated pulmonary artery and vein rings established. PMID- 29224306 TI - [Early pulmonary rehabilitation research progress in patients with mechanical ventilation]. PMID- 29224307 TI - [The advances in aerosol durg therapy research]. PMID- 29224308 TI - [The development and application of digital PCR used in Mycobacterium tuberculosis detection]. PMID- 29224309 TI - [Promote laboratory methods to improve the diagnosis for invasive fungal disease]. PMID- 29224310 TI - [How I manage cytomegalovirus infection after hematopoietic stem cell transplantation]. PMID- 29224311 TI - [How I treat febrile neutropenic patients with acute leukemia after chemotherapy]. PMID- 29224312 TI - [How I diagnose and treat post-transplant lymphoproliferative disorders after allogeneic hematopoietic stem cell transplantation]. PMID- 29224313 TI - [Incidence of blood stream infections of 1265 patients with hematopoietic stem cell transplantation and analysis of pathogenic bacteria]. AB - Objective: To analyze the incidence and microbiological features of blood stream infections (BSI) of patients with hematopoietic stem cell transplantation (HSCT) and to provide laboratory data for empirical use of antibiotic for the HSCT patients with BSI. Methods: The incidence of bloodstream infection, the positive rate of blood culture, bacterial spectrum and drug resistance were analyzed in 1 265 HSCT recipients during 2013 and 2015 were retrospectively studied. Results: Of 1265 patients undergoing HSCT, 1 422 cases of suspected BSI occurred in 784 patients (61.98%) , and 464 patients (59.2%) were in the stage of agranulocytosis (ANC<0.5*10(9)/L) . The detection rate of pathogens in 2013-2015 was about 20% and increase year after year. Of the 401 strains detected, 221 were Gram-negative (G(-)) bacteria (55.1%) , 165 Gram-positive (G(+)) bacteria (41.2%) and 15 fungi (3.7%) . Escherichia coli (16.0%) , Staphylococcus epidermidis (15.5%) and Klebsiella pneumoniae (11.2%) were listed the top three. The proportion of multidrug resistant Acinetobacter Bauman and Stenotrophomonas maltophilia was 64.70% and 63.64% respectively, and methicillin resistant Staphylococcus aureus (MRSA) was more than half (57.14%) . The ratio of vancomycin resistant Enterococci (VRE) and carbapenem resistant Enterobacteriaceae (CRE) was 14.29% and 6.78% respectively. More than 40% Enterobacteriaceae bacteria were resistant to three or four generation cephalosporin antibiotics, and less were resistant to the carbapenems (6.4%) . However, many non-fermentating bacteria were highly resistant to these antibiotics and showed diversity among different strains, with a rate of 47.8% resistance to carbapenems. All the Staphylococcus were sensitive to vancomycin, teicoplanin and linezolid. Conclusions: The incidence of BSI in patients with HSCT was high, and the pathogens were mainly G(-) bacteria. In addition to Enterobacteriaceae, the proportion of non-fermentative bacteria was quite high. No Staphylococcus detected were resistant to vancomycin, teicoplanin and linezolid. PMID- 29224314 TI - [Clinical value of PCR for viral detection of bronchoalveolar lavage fluid in the diagnosis and treatment of pneumonia after allogeneic hematopoietic stem cell transplantation]. AB - Objective: To analyze the clinical value of real-time PCR for virus detection in the diagnosis and treatment of patients after allo-HSCT who had no infection evidence of pneumonia using routine pathogen detection panel. Methods: The clinical data of 71 episodes with acute lung injury from May 2015 to March 2017 after allo-HSCT in hematology department of Peking University People's Hospital (PKUPH) were retrospectively analyzed. PCR for virus detection and other routine pathogen detection tests were performed on bronchoalveolar lavage fluid (BALF) samples. Results: Among 71 episodes with acute lung injury, a total of 15 patients were diagnosed as lower respiratory tract disease merely associated with virus (detection rate of 21.13%) , 19 episodes were absent of lower respiratory tract infection. The median time from allo-HSCT to the occurrence of lung injury were 176 (49-1 376) d and 196 (57-457) d respectively (z=-0.191, P=0.864) . There were no statistical differences for baseline characteristics and clinical features between two groups. The 100-day attributable mortalities were 13.3% (2/15) and 26.3% (5/19) (chi(2)=0.864, P=0.426) . Patients with low-dose steroids treatment had favorable outcome than those with high-dose steroids treatment (the dose of methylprednisolone >=250 mg/d as standard) [4.2% (1/24) vs 60.0% (6/10) ]. In patients with detectable virus in BALF, 2 patients died with early high dose steroids treatment, while 11 patients survived with no steroids treatment or late application. Conclusions: Virus infection should be considered in post-HSCT pneumonia patient with negative result using routine pathogen detection panel. Expanding virus detection panel by PCR in BALF could increase diagnostic precision and might be instructive to treatment. PMID- 29224315 TI - [Identification of a novel ANKI gene mutation in hereditary spherocytosis]. PMID- 29224316 TI - [Effects of NPM1 gene expression on acute myeloid leukemia cell lines and its mechanism]. AB - Objective: To investigate the impact and mechanism of NPM1 gene expression on acute myeloid leukemia (AML) cell lines. Methods: Human AML cell line U937 and HL 60 cells were transfected with NPM1 plasmid to establish stable clones, and the high NPM1 protein expression (NPM1(hi)) clones were screened by Western blot. The cell proliferation was assayed by methylthiazolyl tetrazolium bromide (MTT) , cell cycle and cell apoptosis by flow cytometric, cell colony formation by microscope count, the molecular pathways related to cell cycle by Western blot. The expression of NPM1 gene in primary AML bone marrow mononuclear cells (BMMC) was investigated by RQ-PCR. Results: 1The proliferation of NPM1(hi) U937 and HL 60 cells was similar with that of control cells (4.68+/-1.28 vs 3.89+/-0.81, 3.34+/-0.37 vs 2.68+/-0.29, P>0.05) . 2The percentage of S phase in NPM1(hi) U937 and HL-60 cells was higher than that in control cells[ (50.22+/-3.42) % vs (39.78+/-3.80) %, (59.01+/-3.27) % vs (43.94+/-2.08) %, P<0.05]. 3The anti apoptosis capacity and colony formation abilities of NPM1(hi) U937 cells increased than that of control cells[ (68.8+/-10.2) % vs (48.7+/-3.22) %, and (772.7+/-24.0) vs (652.3+/-16.5) , P<0.05], but the above abilities of NPM1(hi) HL60 cells were similar with that of control cells. 4 The expressions of CDK4, Cyclin D1, Cyclin D2 and Cyclin E in NPM1(hi) leukemia cells were higher than that of control cells, but the expression of Cyclin D3 was lower. 5The NPM1 expression levels in AML patients with favorable cytogenetic prognosis were lower than that of patients with intermediate prognosis. Conclusions: NPM1 protein could promote more cells to enter S phase, enhance the ability of antiapoptosis and colony formation in AML cell lines. The quantitative level of NPM1 may predict the cytogenetic risk of AML patients. PMID- 29224317 TI - [A multicenter, retrospective study of pathogenic bacteria distribution and drug resistance in febrile neutropenic patients with hematological diseases in Shanghai]. AB - Objective: To investigate the pathogen spectrum distribution and drug resistance of febrile neutropenic patients with hematological diseases in Shanghai. Methods: A retrospective study was conducted on the clinical isolates from the febrile neutropenic patients hospitalized in the departments of hematology in 12 general hospitals in Shanghai from January 2012 to December 2014. The drug susceptibility test was carried out by Kirby-Bauer method. WHONET 5.6 software was used to analyze pathogenic bacteria and drug susceptibility data. Results: A total of 1 260 clinical isolates were collected from the febrile neutropenic patients. Gram positive bacteria accounted for 33.3% and Gram-negative bacteria accounted for 66.7%. Klebsiella pneumoniae (12.5%) , Stenotrophomonas maltophilia (9.5%) , Escherichia coli (9.1%) , Pseudomonas aeruginosa (8.7%) , Acinetobacter baumannii (6.6%) , Staphylococcus aureus (5.6%) and Enterococcus faecium (5.0%) were ranked in the first 7 of all pathogens. In the respiratory tract secretions specimens, non-fermented strains accounted for 56.2%. Stenotrophomonas maltophilia accounted for 15.2%. Enterobacteriaceae and coagulase-negative Staphylococci accounted for 42.3% (104/246) and 32.6% (85/246) respectively in blood samples. Enterobacteriaceae and Enterococcus bacteria accounted for 39.4% (76/193) and 28.5% (55/193) respectively in pus specimens. The detection rates of methicillin resistant Staphylococcus aureus (MRSA) and methicillin resistant coagulase negative Staphylococci (MRCNS) were 54.3% and 82.5%, respectively. Staphylococcus bacterial strain was not found to be resistant to linezolid, vancomycin and teicoplanin. The detection rate of Enterococcus vancomycin-resistant strains was 8.9%. Enterococcus was not detected resistance to oxazolidinone strains. Enterobacteriaceae bacteria were highly sensitive to carbapenems. The resistance rate of Pseudomonas aeruginosa to imipenem and meropenem was 34.1% and 15.8%, respectively. Stenotrophomonas maltophilia was more sensitive to minocycline hydrochloride, levofloxacin and sulfamethoxazole. The resistance rate of Acinetobacter baumannii only to cefoperazone-sulbactam was less than 10.0%. The antibiotic resistance rate of Klebsiella pneumoniae, Stenotrophomonas maltophilia, Pseudomonas aeruginosa and Acinetobacter baumanii to most of common antibiotics was lower than that of the CHINET surveillance. Conclusions: The pathogenic strain distribution in common infection sites of febrile neutropenic patients was characterized. Bacterial resistance surveillance was better than the CHINET nationwide large sample surveillance in China. PMID- 29224318 TI - [Distribution and drug resistance of pathogens of blood stream infection in patients with hematological malignancies after chemotherapy]. AB - Objective: To investigate the distribution and resistance of pathogens isolated from blood cultures in patients with hematological malignancies after chemotherapy in Union Hospital of Fujian Medical University so as to understand the real situation of blood stream infection (BSI) and provide the basis for rational use of antibiotics in clinic. Methods: The data of 657 strains isolated from blood culture specimens of patients with hematological malignancies from January 2013 to December 2016 were collected analyzed. Results: A total of 657 cases of blood culture positive bacterial strains were included in the study, involving 410 cases (62.4%) with single Gram-negative bacteria (G(-) bacteria) , 163 cases (24.8%) with single Gram-positive bacteria (G(+) bacteria) , 50 cases (7.6%) with single fungi. The most common 5 isolates in blood culture were Klebsiella pneumoniae (17.5%) , Escherichia coli (17.2%) , Coagulase negative staphylococci (CNS) (14.9%) , Pseudomonas aeruginosa (14.2%) and Staphylococcus aureus (3.5%) . The extended-spectrum beta-lactamase (ESBL) production rates of Klebsiella pneumoniae and Escherichia coli were 25.2% and 55.8%, respectively. ESBL producing strains were almost more resistant than non-ESBL producing strains. The resistance rates of Enterobacteriaceae to carbapenems, piperacillin/tazobactam and tigecycline were lower than 14.0%. The resistance rates of Pseudomonas aeruginosa to a variety of drugs were lower than 12.0%. Tigecycline-resistant Acinetobacter baumannii bacteria were not detected, and the resistance rates of Acinetobacter baumannii to cefixime and cefotaxime were 7.1%. Methicillin-resistant strains in CNS (MRCNS) and in Staphylococcus aureus (MRSA) accounted for 84.7% and 43.5%, respectively. Vancomycin, linezolid and tigecycline-resistant G(+) bacteria were not detected. Conclusion: The pathogens isolated from blood culture were widely distributed. Most of them were G(-) bacteria, and the resistance to antibiotics was quite common. Furhermore, vancomycin, linezolid and tigecycline can be chosen empirically to treat patiens who ar suspected to have G(+) bacterial BSI. PMID- 29224319 TI - [Screening of adult Ph-like acute lymphoblastic leukemia by multiplex real-time quantitative PCR]. AB - Objective: To investigate the feasibility of multiplex real-time RT-PCR with fluorescent probes in early screening of Ph-like acute lymphoblastic leukemia (ALL) and analyze the clinical feature and prognos. Method: A total of 118 adult B-ALL patients diagnosed between October 2010 and March 2016 were enrolled in this study. Multiplex RT-PCR was used to detect the Ph-like ALL related fusion gene and CRLF2 expression in 58 BCR-ABL and MLL rearrangement negative patients. The clinical features, treatment response and prognosis were analyzed in Ph-like fusion gene positive and/or CRLF2 over-expression patients. Result: Among 58 patients, 9 patients (9/58, 15.5%) showed Ph-like ALL related fusion genes positive and 10 patients (10/58, 17.2%) showed CRLF2 over-expression. There were statistical differences in age, WBC count, immunophenotypes, cytogenetics and risk stratification among Ph-like fusion gene positive or CRLF2 over-expression patients, Ph(+) patients, MLL(+) patients and B-other patients. The 2-year overall survival rates were 65%, 47%, 64% and 74% respectively among these four groups (P=0.043) . The 2-year relapse free survival rates were 51%, 39%, 62% and 70% respectively among these four groups (P=0.010) . Conclusion: Routine screening of Ph-like ALL by multiplex RTPCR is feasible. PMID- 29224321 TI - [Acute myeloid leukemia treated with chidamide combined regimens: two cases report]. PMID- 29224320 TI - [Comparative study of cytogenetic response evaluated by conventional banding analysis and fluorescence in situ hybridization in chronic myeloid leukemia patients during tyrosine kinase inhibitor treatment]. AB - Objective: To compare the cytogenetic response detected by conventional banding analysis (CBA) and fluorescence in situ hybridization (FISH) and to explore the correlation between the cytogenetic and molecular response in chronic myeloid leukemia (CML) patients during tyrosine kinase inhibitor (TKI) treatment. Methods: CBA, FISH and real-time quantitative reverse transcriptase polymerase chain reaction (RQ-PCR) methods were performed to detect the cytogenetic and molecular response simultaneously in 504 bone marrow samples from 367 CML patients who received TKI treatment. Results: Among 504 samples, 344 were detected to reach complete cytogenetic response (CCyR) by CBA, while 297 samples reached CCyR by FISH which were considered to carry BCR-ABL positive cells<1%. When the results of CBA, FISH and RQ-PCR were compared in 493 samples at the same time, it showed that in 337 samples with CBA-CCyR, 273 (81.0%) reached FISH-CCyR and 289 (85.8%) were BCR-ABL(IS) (International Scale, IS) <=1% by RQ-PCR, compared to 9.0 (261/290) were BCR-ABL(IS) <=1% among 290 samples with FISH-CCyR. There was no significant difference in the median value of BCR-ABL(IS) between samples in CBA-CCyR and FISH-CCyR (0.21% vs 0.13%, z=-1.875, P=0.061) . Furthermore, when the samples were divided into three groups according to BCR-ABL positive cells (0,>0~<1%, 1%~5%) by FISH, the statistical difference was observed, the proportion of samples with BCR-ABL(IS) <=1% in the three groups were 94.1%, 57.6% and 27.7% respectively (chi(2)=43.499, P<0.001; chi(2)=9.734, P=0.003) , while the median value of BCR-ABL(IS) were 0.10%, 0.64% and 1.80% respectively (z=-5.864, P<0.001; z=-4.787, P<0.001) . Conclusion: FISH results were in good concordance with CBA in identify samples in CCyR, FISH was more sensitive and had better correlation with RQ-PCR results than CBA, but how to define FISH-CCyR need further study. PMID- 29224322 TI - [alpha1-antitrypsin Pittsburg mutations: report of two cases in the same family]. AB - Objective: To analyze the clinical and laboratory abnormalities of two patients with alpha1-antitrypsin (alpha1-AT) Pittsburgh in a family and review the literatures. Methods: Both plasma clotting time and factor activities were performed using clotting or substrate methods. Platelet aggregation was evaluated using an optical aggregometer. The serum protein electrophoresis was performed on Sebia HYDRASYS by using Agarose gel. The exons of alpha1-AT were amplified by using polymerase chain reaction (PCR) and then sequenced and compared with NCBI GenBank records. Results: The proband had several ruptures of corpus luteum and bleeding after operation, while her daughter had no bleeding history. Both of them showed prolonged coagulation tests which could not be corrected by mixing with the normal plasma. They also showed low levels of plasma coagulation factors, undetected protein C and S activity and abnormal bands of alpha1 globulin. The results of gene sequencing demonstrated that they were heterozygous for g.T17132G (p.Met358Arg) mutation of alpha1-antitrypsin gene (NG_008290.1) . Conclusions: Comparing with the data of previously reported cases, our results confirmed the obvious abnormality of coagulation test and the discrepancy of bleeding tendency of alpha1-antitrypsin Pittsburgh patients, and suggested that the rupture of corpus luteum would be a specific characteristic in women of child bearing age. PMID- 29224323 TI - [Effects of ICAT silencing in Wnt signaling pathway and NSC67657 induced cell differentiation of HL-60 cells]. AB - Objectives: To investigate the effect of beta-catenin interacting protein 1 (ICAT) silence in Wnt signaling pathway and sterol drug NSC67657 induced cell differentiation of HL60 cell. Methods: HL-60 cells were treated with NSC67657, the cell surface antigen CD14 expression was detected by flow cytometry. Lentivirus LV-ICAT-RNAi vector was constructed and infected HL-60 cells. Then the ICAT gene and protein expression were analyzed using real-time qPCR and Western blot technique. Furthermore, Co-immunoprecipitation assay was used to confirm the interaction of beta-catenin/ICAT proteins, and Western blot was employed to compare the expressions of Wnt signaling pathway downstream targets Cyclin D1, TCF-1 and c-Jun between Lentivirus LV-ICAT-RNAi vector infected HL-60 (HL-60i) cells and un-infected HL-60 (HL-60v) cells. The cellular differentiation of HL 60i and HL-60v cells treated with NSC67657 for 24 h was evaluated by Wright's staining, transmission electron microscopy and flow cytometry analysis. Results: HL-60 cells could be induced to differentiate into monocytes by 10 MUmol/L NSC67657. The CD14 positive cells could reach to (92.30+/-5.14) % after NSC67657 treatment for 5d. The co- immunoprecipitation assay demonstrated that ICAT protein did interact with beta-catenin protein, and the absorbance of protein electrophoresis bands increased in differentiated cells. The expressions of Wnt signaling pathway downstream target proteins in HL-60i cells were higher than that in HL-60v cells when they were treated by 10 MUmol/L NSC67657, but lower than NSC67657 untreated cells. CD14 positive HL-60i cells were significantly lower than that of HL-60v cells[ (8.33+/-3.14) % vs (19.08+/-4.73) %]when treated with NSC67657, but still higher than that of uninfected and untreated HL60 cells[ (0.60+/-0.03) %] (F=119.24, P=0.010) . The results of cellular morphology and ultrastructure observation were also in accord with that of cell surface antigen analysis. Conclusions: ICAT does participate in HL-60 cells monocytic differentiation induced by NSC67657, and Wnt/beta-catenin signaling pathway might play a bridge role. PMID- 29224324 TI - [Clinical analysis of lung transplantation in eight patients with obstructive bronchiolitis syndrome after hematopoietic stem cell transplantation]. AB - Objective: To investigate the efficacy and prognosis of lung transplantation (LT) for end-stage bronchiolitis obliterans syndrome (BOS) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) . Methods: The clinical data of eight cases with end-stage BOS after allo-HSCT who were treated by LT in our hospital were retrospectively analyzed. Results: Eight patients with hematological malignancy underwent allo-HSCT, and the median age was 23 (12-40) years. The donors are parents or siblings. Severe BOS occurred in 8 patients after allo-HSCT, the median age for LT was 27.5 (13-47) years. The median interval between allo-HSCT and LT was 69 (21-132) months. The median follow-up time for 8 patients after LT was 15 (6-63) months, 7 patients survived, 1 patient died of pulmonary hemorrhage 15 months after LT treatment. Of the survivors, three had BOS again, and one of them received reduplicated lung transplantation. Conclusion: LT is an effective treatment for patients with severe BOS after HSCT. PMID- 29224325 TI - [Clinical analysis of 32 patients with acquired pure red cell aplasia]. PMID- 29224326 TI - [Analysis of the gene in a hereditary coagulation factor VII deficiency pedigree]. PMID- 29224327 TI - [Umbilical cord blood transplantation in the treatment of Chediak-Higashi syndrome with hemophagocytic syndrome: a case report and literature review]. PMID- 29224328 TI - [Clinical characteristics and prognostic analysis of monoclonal IgM-related AL amyloidosis]. PMID- 29224330 TI - [Mechanisms and management of thrombosis and bleeding in antiphospholipid syndrome]. PMID- 29224329 TI - [Allogeneic hematopoietic stem cell transplantation for the treatment of severe aplastic anemia complicated with hepatocellular carcinoma: a case report and literature review]. PMID- 29224331 TI - [Long non-coding RNA and lymphoma]. PMID- 29224333 TI - Ferroelectricity and Piezoelectricity in Free-Standing Polycrystalline Films of Plastic Crystals. AB - Plastic crystals represent a unique compound class that is often encountered in molecules with globular structures. The highly symmetric cubic crystal structure of plastic crystals endows these materials with multiaxial ferroelectricity that allows a three-dimensional realignment of the polarization axes of the crystals, which cannot be achieved using conventional molecular ferroelectric crystals with low crystal symmetry. In this work, we focused our attention on malleability as another characteristic feature of plastic crystals. We have synthesized the new plastic/ferroelectric ionic crystals tetramethylammonium tetrachloroferrate(III) and tetramethylammonium bromotrichloroferrate(III), and discovered that free standing translucent films can be easily prepared by pressing powdered samples of these compounds. The thus obtained polycrystalline films exhibit ferroelectric polarization switching and a relatively large piezoelectric response at room temperature. The ready availability of functional films demonstrates the practical utility of such plastic/ferroelectric crystals, and considering the vast variety of possible constituent cations and anions, a wide range of applications should be expected for these unique and attractive functional materials. PMID- 29224332 TI - Statistical Coupling Analysis-Guided Library Design for the Discovery of Mutant Luciferases. AB - Directed evolution has proven to be an invaluable tool for protein engineering; however, there is still a need for developing new approaches to continue to improve the efficiency and efficacy of these methods. Here, we demonstrate a new method for library design that applies a previously developed bioinformatic method, Statistical Coupling Analysis (SCA). SCA uses homologous enzymes to identify amino acid positions that are mutable and functionally important and engage in synergistic interactions between amino acids. We use SCA to guide a library of the protein luciferase and demonstrate that, in a single round of selection, we can identify luciferase mutants with several valuable properties. Specifically, we identify luciferase mutants that possess both red-shifted emission spectra and improved stability relative to those of the wild-type enzyme. We also identify luciferase mutants that possess a >50-fold change in specificity for modified luciferins. To understand the mutational origin of these improved mutants, we demonstrate the role of mutations at N229, S239, and G246 in altered function. These studies show that SCA can be used to guide library design and rapidly identify synergistic amino acid mutations from a small library. PMID- 29224334 TI - Nitrogen-Deficient Graphitic Carbon Nitride with Enhanced Performance for Lithium Ion Battery Anodes. AB - Graphitic carbon nitride (g-C3N4) behaving as a layered feature with graphite was indexed as a high-content nitrogen-doping carbon material, attracting increasing attention for application in energy storage devices. However, poor conductivity and resulting serious irreversible capacity loss were pronounced for g-C3N4 material due to its high nitrogen content. In this work, magnesiothermic denitriding technology is demonstrated to reduce the nitrogen content of g-C3N4 (especially graphitic nitrogen) for enhanced lithium storage properties as lithium ion battery anodes. The obtained nitrogen-deficient g-C3N4 (ND-g-C3N4) exhibits a thinner and more porous structure composed of an abundance of relatively low nitrogen doping wrinkled graphene nanosheets. A highly reversible lithium storage capacity of 2753 mAh/g was obtained after the 300th cycle with an enhanced cycling stability and rate capability. The presented nitrogen-deficient g-C3N4 with outstanding electrochemical performances may unambiguously promote the application of g-C3N4 materials in energy-storage devices. PMID- 29224335 TI - Structure-Activity Relationship (SAR) of Phenolics for 2-Amino-1-methyl-6 phenylimidazo[4,5-b]pyridine (PhIP) Formation in Phenylalanine/Creatinine Reaction Mixtures Including (or Not) Oxygen and Lipid Hydroperoxides. AB - Phenolics can act as either promoters or inhibitors in 2-amino-1-methyl-6 phenylimidazo[4,5-b]pyridine (PhIP) formation. In an attempt to clarify the structure-activity relationship (SAR) of phenolics for this reaction, the formation of PhIP in mixtures of phenylalanine, creatinine, 13-hydroperoxide of linoleic acid (LOOH) or 4-oxo-2-nonenal, and a wide array of phenolics was studied in the presence and in the absence of oxygen. The obtained results suggested that those phenolics having a high carbonyl scavenging ability inhibited the formation of PhIP. On the other hand, those phenolics that mainly acted as free radical scavengers and, therefore, were easily converted into quinones promoted the formation of PhIP. Phenolics of the first type were m diphenols and 1,3,5-triphenols. Phenolics of the second type were o- and p diphenols. Other phenolics, like 1,2,3- and 1,2,4-triphenols, exhibited a behavior either as carbonyl scavengers or as free radical scavengers depending on ring substitutions. Among the studied derivatives, the presence of a carboxylic or a methoxyl group at certain positions inhibited their behavior as carbonyl scavengers and, therefore, promoted the formation of PhIP. A procedure to classify phenolics as either carbonyl or free radical scavengers is proposed. PMID- 29224336 TI - Chemical Imprinting of Crystalline Silicon with Catalytic Metal Stamp in Etch Bath. AB - Conventional lithography using photons and electrons continues to evolve to scale down three-dimensional nanoscale patterns, but the complexity of technology and equipment is increasing due to diffraction and scattering problems. Physical contact lithography methods, such as nanoimprint and soft lithography, have been developed as an alternative technique. These techniques imprint predefined structures on a stamp to the polymer resist and use the polymer resist as a mask to dry etch the nanostructure on the substrate. In this study, we introduce a method of chemically imprinting crystalline silicon (Si) with a catalytic stamp to enable the direct etching of the Si without using a polymer mask. A metal catalyst is deposited on the predefined structure of the stamp. The stamp physically contacts the Si in the etching bath, and metal-assisted chemical etching occurs on the semiconductor surface. Since the metal catalyst is mounted on a stamp, it can be used repeatedly. This is a technology that combines conventional lithography and etching without using a polymer resist. This technology not only produced nano/microscale arrays of circular and square holes and trench structures but also successfully produced complex eagle-shaped structures that contained such structures. PMID- 29224337 TI - Spermidine-Activated Satellite Cells Are Associated with Hypoacetylation in ACVR2B and Smad3 Binding to Myogenic Genes in Mice. AB - Spermidine is an acetyltransferase inhibitor and a specific inducer of autophagy. Recently, spermidine is identified as a potential therapeutic agent for age related muscle atrophy and inherited myopathies. However, the effect of spermidine on nonpathological skeletal muscle remains unclear. In this study, long-term spermidine administration in mice lowered the mean cross-sectional area of the gastrocnemius muscle and reduced the expression of myosin heavy chain isoforms in the muscle, which was associated with ubiquitination. Moreover, spermidine supplementation induced autophagy in satellite cells and enhanced satellite cell proliferation. ChIP assay revealed that spermidine repressed H3K56ac in the promoter of ACVR2B and lowered the binding affinity of Smad3 to the promoters of Myf5 and MyoD. Altogether, our results indicate that long-term administration of spermidine can activate satellite cells, as well as enhance autophagy, eventually resulting in muscle atrophy. In addition, H3K56ac and Smad3 emerged as key determinants of satellite cell activation. PMID- 29224338 TI - Dynamic Behavior of Rh Species in Rh/Al2O3 Model Catalyst during Three-Way Catalytic Reaction: An Operando X-ray Absorption Spectroscopy Study. AB - The dynamic behavior of Rh species in 1 wt% Rh/Al2O3 catalyst during the three way catalytic reaction was examined using a micro gas chromatograph, a NOx meter, a quadrupole mass spectrometer, and time-resolved quick X-ray absorption spectroscopy (XAS) measurements at a public beamline for XAS, BL01B1 at SPring-8, operando. The combined data suggest different surface rearrangement behavior, random reduction processes, and autocatalytic oxidation processes of Rh species when the gas is switched from a reductive to an oxidative atmosphere and vice versa. This study demonstrates an implementation of a powerful operando XAS system for heterogeneous catalytic reactions and its importance for understanding the dynamic behavior of active metal species of catalysts. PMID- 29224339 TI - Immobilization of Aluminum Hydroxide Particles on Quartz Crystal Microbalance Sensors to Elucidate Antigen-Adjuvant Interaction Mechanisms in Vaccines. AB - Aluminum hydroxide (AH) salts are the most widely used adjuvants in vaccine formulation. They trigger immunogenicity from antigenic subunits that would otherwise suffer from a lack of efficiency. Previous studies focusing on antigen AH interaction mechanisms, performed with model proteins, suggested that electrostatic interactions and phosphate-hydroxyl ligand exchanges drive protein adsorption on AH. We however recently evidenced that NaCl, used in vaccine formulation, provokes AH particle aggregation. This must be taken into account to interpret data related to protein adsorption on AH. Here, we report on the successful development and use of a stable AH-coated surface to explore the mechanisms of protein adsorption by means of ultrasensitive surface analysis tools. Bovine serum albumin (BSA) adsorption was studied at different pHs and ionic strengths (I) using quartz crystal microbalance. The results show that protein adsorption on the AH adjuvant cannot be explained solely by electrostatic interactions and ligand exchanges. Hence, a higher adsorption was observed at pH 3 compared to pH 7, although AH and BSA respectively undergo repulsive and attractive electrostatic interactions at these pH values. Almost no effect of I on adsorption was moreover noted at pH 7. These new developments and observations not only suggest that other mechanisms govern protein adsorption on AH but also offer a new platform for the study of antigen adsorption in the context of vaccine formulation. Immobilizing particles on QCM sensors also enriches the range of applications for which QCM can be exploited, especially in colloid science. PMID- 29224340 TI - Atomic-Scale Influence of Grain Boundaries on Li-Ion Conduction in Solid Electrolytes for All-Solid-State Batteries. AB - Solid electrolytes are generating considerable interest for all-solid-state Li ion batteries to address safety and performance issues. Grain boundaries have a significant influence on solid electrolytes and are key hurdles that must be overcome for their successful application. However, grain boundary effects on ionic transport are not fully understood, especially at the atomic scale. The Li rich anti-perovskite Li3OCl is a promising solid electrolyte, although there is debate concerning the precise Li-ion migration barriers and conductivity. Using Li3OCl as a model polycrystalline electrolyte, we apply large-scale molecular dynamics simulations to analyze the ionic transport at stable grain boundaries. Our results predict high concentrations of grain boundaries and clearly show that Li-ion conductivity is severely hindered through the grain boundaries. The activation energies for Li-ion conduction traversing the grain boundaries are consistently higher than that of the bulk crystal, confirming the high grain boundary resistance in this material. Using our results, we propose a polycrystalline model to quantify the impact of grain boundaries on conductivity as a function of grain size. Such insights provide valuable fundamental understanding of the role of grain boundaries and how tailoring the microstructure can lead to the optimization of new high-performance solid electrolytes. PMID- 29224341 TI - Iron-Mediated Synthesis of Isoxazoles from Alkynes: Using Iron(III) Nitrate as a Nitration and Cyclization Reagent. AB - A simple and direct method for the iron(III) nitrate-mediated synthesis of isoxazoles from alkynes has been developed; both self-coupling and cross-coupling products could be successfully prepared from alkynes. Meanwhile, for the cross coupling and cyclizing of two different alkynes examined, the iron-mediated system shows a good chemoselectivity for the synthesis of corresponding isoxazoles. In our method, cheap and eco-friendly iron(III) nitrate is used as the nitration and cyclization reagent, and KI is used as the additive; they both play a positive role in this transformation. Furthermore, a different mechanism for the formation of isoxazoles from alkynes has been proposed. PMID- 29224342 TI - Lycosides, Unusual Carotenoid-Derived Terpenoid Glycosides from a Vegetable Juice, Inhibit Asexual Reproduction of the Plant Pathogen Phytophthora. AB - Vegetable juices, typical culture media for the plant pathogen Phytophthora, effectively induce its asexual reproduction (zoosporangia formation). However, some chromatographic fractions from a vegetable juice were found to inhibit asexual reproduction. Bioassay-guided chromatographic steps led to the isolation of four novel compounds, named lycosides A-D, 1-4, that could be metabolic products from a carotenoid. They showed 50% inhibitory activity against the asexual reproduction of P. capsici at 2.1-7.6 MUM. The structure-activity relationship and the universality of the inhibitory activity within the Phytophthora genus were also investigated. In addition, the quantitative analysis of lycosides in fresh vegetables and vegetable juices revealed that tomato is the source of these active substances. These food-derived chemicals could help provide safe agents to control the outbreak of the agricultural pest Phytophthora in fields. PMID- 29224343 TI - The Molecular Mechanism of Nanodroplet Stability. AB - Mixtures of nano- and microscopic oil droplets in water have recently been rediscovered as miniature reaction vessels in microfluidic environments and are important constituents of many environmental systems, food, personal care, and medical products. The oil nanodroplet/water interface stabilized by surfactants determines the physicochemical properties of the droplets. Surfactants are thought to stabilize nanodroplets by forming densely packed monolayers that shield the oil phase from the water. This idea has been inferred from droplet stability measurements in combination with molecular structural data obtained from extended planar interfaces. Here, we present a molecular level investigation of the surface structure and stability of nanodroplets and show that the surface structure of nanodroplets is significantly different from that of extended planar interfaces. Charged surfactants form monolayers that are more than 1 order of magnitude more dilute than geometrically packed ones, and there is no experimental correlation between stability and surfactant surface density. Moreover, dilute negatively charged surfactant monolayers produce more stable nanodroplets than dilute positively charged and dense geometrically packed neutral surfactant monolayers. Droplet stability is found to depend on the relative cooperativity between charge-charge, charge-dipole, and hydrogen-bonding interactions. The difference between extended planar interfaces and nanoscale interfaces stems from a difference in the thermally averaged total charge-charge interactions in the two systems. Low dielectric oil droplets with a size smaller than the Debye length in oil permit repulsive interactions between like charges from opposing interfaces in small droplets. This behavior is generic and extends up to the micrometer length scale. PMID- 29224344 TI - Hydrogen Shifts in Aryl Radicals and Diradicals: The Role of m-Benzynes. AB - Density functional and coupled cluster results are presented for hydrogen shifts in radicals derived from polycyclic aromatic hydrocarbons (PAHs) and for rearrangement mechanisms for several phenylenes. RCCSD(T)/cc-pVDZ//UBLYP/cc-pVDZ free energy barriers for 1,4-H shifts at 298 K are consistently predicted to be ca. 25 kcal/mol, whereas barriers for 1,5- and 1,6-shifts range from 6 to 28 kcal/mol. The barriers correlate reasonably well with the distance from the radical center to the shifting hydrogen in the reactant. Proposed mechanisms (via diradical intermediates) of known rearrangements of linear [3]phenylene, benzo[b]biphenylene, and angular [4]phenylene have BD(T)/cc-pVDZ//(U)BLYP/cc-pVDZ computed barriers of 74-82 kcal/mol, consistent with pyrolysis temperatures of 900 to 1100 degrees C. Hydrogen shift reactions in most of the aryl diradicals arising from phenylenes produce m-benzyne intermediates which, despite being 8-15 kcal/mol more stable than other diradicals involved in the pathways, do not significantly lower the computed overall free energies of activation. PMID- 29224345 TI - NH Tautomerism of a Quadruply Fused Porphyrin: Rigid Fused Structure Delays the Proton Transfer. AB - We report herein NH tautomerism of a freebase derivative of a quadruply fused porphyrin (H2QFP-Mes, 3), which has one mesityl group at one of the beta positions of the nonfused pyrroles to lower the structural symmetry, allowing us to observe the NH tautomerism with 1H NMR spectroscopy. Compound 3 was revealed to have the two inner NH protons on the two nonfused pyrroles, and the NH tautomerism of 3 was evidenced by variable-temperature (VT) 1H NMR experiments in various deuterated solvents. The VT-NMR studies revealed that the activation barrier for the NH tautomerism of 3 was larger than that of tetraphenylporphyrin. The positive activation entropy (DeltaS? = 89 J mol-1 K-1), determined for the NH tautomerism, can be explained by dissociation of the pi-pi stacked dimer structure of 3 in the ground state, as evidenced by the crystal structure and NMR measurements. On the basis of the kinetic studies and density functional theory calculations, the stability of intermediates in the NH tautomerism of 3 and the transition states have been discussed in detail. PMID- 29224346 TI - Speciation of Mercury in Selected Areas of the Petroleum Value Chain. AB - Petroleum, natural gas, and natural gas condensate can contain low levels of mercury (Hg). The speciation of Hg can affect its behavior during processing, transport, and storage so efficient and safe management of Hg requires an understanding of its chemical form in oil, gas and byproducts. Here, X-ray absorption spectroscopy was used to determine the Hg speciation in samples of solid residues collected throughout the petroleum value chain including stabilized crude oil residues, sediments from separation tanks and condensate glycol dehydrators, distillation column pipe scale, and biosludge from wastewater treatment. In all samples except glycol dehydrators, metacinnabar (beta-HgS) was the primary form of Hg. Electron microscopy on particles from a crude sediment showed nanosized (<100 nm) particles forming larger aggregates, and confirmed the colocalization of Hg and sulfur. In sediments from glycol dehydrators, organic Hg(SR)2 accounted for ~60% of the Hg, with ~20% present as beta-HgS and/or Hg(SR)4 species. beta-HgS was the predominant Hg species in refinery biosludge and pipe scale samples. However, the balance of Hg species present in these samples depended on the nature of the crude oil being processed, i.e. sweet (low sulfur crudes) vs sour (higher sulfur crudes). This information on Hg speciation in the petroleum value chain will inform development of better engineering controls and management practices for Hg. PMID- 29224347 TI - Synthesis of Carbo[6]helicene Derivatives Grafted with Amino or Aminoester Substituents from Enantiopure [6]Helicenyl Boronates. AB - Enantiopure carbo[6]helicenyl boronates were synthesized using a photocyclization reaction as the key step. These compounds were further converted to various amino derivatives using copper-catalyzed azidation or amination and reductive alkylation of benzylazide by a helicenyl dichloroborane. Asymmetric Petasis condensation with glyoxylic acid and morpholine controlled by the helical chirality afforded the corresponding amino esters. PMID- 29224348 TI - Stereoselective Total Synthesis of Macrophage-Produced Prohealing 14,21-Dihydroxy Docosahexaenoic Acids. AB - Synthesis of 14S,21R- and 14S,21S-dihydroxy-DHA (diHDHA) among the four possible stereoisomers of 14,21-diHDHA was studied. Methyl (R)-lactate (>97% ee), selected as a C20-C22 fragment (DHA numbering), was converted to the C17-C22 phosphonium salt, which was subjected to a Wittig reaction with racemic C16-aldehyde of the C12-C16 part with the TMS and TBS-oxy groups at C12 and C14, yielding the C12-C22 derivative with 14R/S and 21R chirality. Kinetic resolution using Sharpless asymmetric epoxidation of the TBS-deprotected allylic alcohol with l-(+) DIPT/Ti(O-i-Pr)4 afforded 14S-epoxy alcohol and 14R-allylic alcohol with >99% diastereomeric excess (de) for both. The CN group was introduced to the epoxy alcohol by reaction with Et2AlCN. The 14R-allylic alcohol was also converted to the nitrile via Mitsunobu inversion. Reduction of the nitrile with DIBAL afforded the key aldehyde corresponding to the C11-C22 moiety. The Wittig reaction of this aldehyde with a phosphonium salt of the remaining C1-C10 part followed by functional group manipulation gave 14S,21R-diHDHA. Similarly, ethyl (S)-lactate (>99% ee) was converted to 14S,21S-diHDHA. The chiral LC-UV-MS/MS analysis demonstrated that each of these two 14,21-diHDHAs synthesized using the presented total organic synthesis was highly stereoselective and identical to the macrophage-produced counterpart. PMID- 29224349 TI - Identification and Quantitation of the Bioactive Components in Osmanthus fragrans Fruits by HPLC-ESI-MS/MS. AB - Information on the chemical composition of Osmanthus fragrans fruits is still limited because there are many compounds present in low concentrations in the plant. In this work, the bioactive components in O. fragrans fruit extract were investigated by a new high-performance liquid chromatography electrospray ionization tandem mass spectrometry method, which allows sensitive analysis both in identification and quantitation. A total of 28 compounds were tentatively identified, and 16 components were discovered in O. fragrans fruits for the first time. The validated quantitative methods for the determination of the bioactive components were subsequently applied to analyze batches of O. fragrans fruits from different cultivars, which is beneficial for the comprehensive utilization of O. fragrans fruits. PMID- 29224350 TI - Mechanism of the Ullmann Biaryl Ether Synthesis Catalyzed by Complexes of Anionic Ligands: Evidence for the Reaction of Iodoarenes with Ligated Anionic CuI Intermediates. AB - A series of experimental studies, along with DFT calculations, are reported that provide a detailed view into the mechanism of Ullmann coupling of phenols with aryl halides in the presence of catalysts generated from Cu(I) and bidentate, anionic ligands. These studies encompass catalysts containing anionic ligands formed by deprotonation of 8-hydroxyquinoline, 2-pyridylmethyl tert-butyl ketone, and 2,2,6,6-tetramethylheptane-3,5-dione. Three-coordinate, heteroleptic species [Cu(LX)OAr]- were shown by experiment and DFT calculations to be the most stable complexes in catalytic systems containing 8-hydroxyquinoline or 2-pyridylmethyl tert-butyl ketone and to be generated reversibly in the system containing 2,2,6,6 tetramethylheptane-3,5-dione. These heteroleptic complexes were characterized by a combination of 19F NMR, 1H NMR, and UV-vis spectroscopy, as well as ESI-MS. The heteroleptic complexes generated in situ react with iodoarenes to form biaryl ethers in high yields without evidence for an aryl radical intermediate. Measurements of 13C/12C isotope effects showed that oxidative addition of the iodoarene occurs irreversibly. This information, in combination with the kinetic data, shows that oxidative addition occurs to the [Cu(LX)OAr]- complexes and is turnover-limiting. A Hammett analysis of the effect of phenoxide electronic properties on the rate of the reaction of [Cu(LX)OAr]- with iodotoluene also is consistent with oxidative addition of the iodoarene to an anionic phenoxide complex. Calculations by DFT suggest that this oxidative addition is followed by dissociation of I- and reductive elimination of the biaryl ether from the resulting neutral Cu(III) complex. PMID- 29224351 TI - Cellulose-Based Composite Macrogels from Cellulose Fiber and Cellulose Nanofiber as Intestine Delivery Vehicles for Probiotics. AB - Cellulose-based composite macrogels made by cellulose fiber/cellulose nanofiber (CCNM) were used as an intestine delivery vehicle for probiotics. Cellulose nanofiber (CNF) was prepared by a 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidation system, and the carboxyl groups in CNF acted as pore size and pH responsibility regulators in CCNMs to regulate the probiotics loading and controlled release property. The macrogel presented a porosity of 92.68% with a CNF content of 90%, and the corresponding released viable Lactobacillus plantarum (L. plantarum) was up to 2.68 * 108 cfu/mL. The porous structure and high porosity benefited L. plantarum cells to infiltrate into the core of macrogels. In addition, the macrogels made with high contents of CNF showed sustainable release of L. plantarum cells and delivered enough viable cells to the desired region of intestine tracts. The porous cellulose macrogels prepared by a green and environmental friendly method show potential in the application of fabricating targeted delivery vehicles of bioactive agents. PMID- 29224353 TI - Curcumin Protects against Atherosclerosis in Apolipoprotein E-Knockout Mice by Inhibiting Toll-like Receptor 4 Expression. AB - Toll-like receptor 4 (TLR4) has been reported to play a critical role in the pathogenesis of atherosclerosis, the current study aimed to investigate whether curcumin suppresses atherosclerosis development in ApoE-knockout (ApoE-/-) mice by inhibiting TLR4 expression. ApoE-/- mice were fed a high-fat diet supplemented with or without curcumin (0.1% w/w) for 16 weeks. Curcumin supplementation significantly reduced TLR4 expression and macrophage infiltration in atherosclerotic plaques. Curcumin also reduced aortic interleukin-1beta (IL 1beta), tumor necrosis factor-alpha (TNF-alpha), vascular cell adhesion molecule 1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) expression, nuclear factor-kappaB (NF-kappaB) activity, and plasma IL-1beta, TNF-alpha, soluble VCAM 1 and ICAM-1 levels. In addition, aortic sinus sections revealed that curcumin treatment reduced the extent of atherosclerotic lesions and inhibited atherosclerosis development. In vitro, curcumin inhibited NF-kappaB activation in macrophages and reduced TLR4 expression induced by lipopolysaccharide. Our results indicate that curcumin protects against atherosclerosis at least partially by inhibiting TLR4 expression and its related inflammatory reaction. PMID- 29224352 TI - Functional Characterization of Human Peptide/Histidine Transporter 1 in Stably Transfected MDCK Cells. AB - The proton-coupled oligopeptide transporter PHT1 (SLC15A4), which facilitates cross-membrane transport of histidine and small peptides from inside the endosomes or lysosomes to cytosol, plays an important role in intracellular peptides homeostasis and innate immune responses. However, it remains a challenge to elucidate functional properties of the PHT1 transporter because of its subcellular localization. The purpose of this study was to resort hPHT1 protein from the subcellular to outer cell membrane of MDCK cells stably transfected with human PHT1 mutants, and to characterize its functional activity in these cells. Using this model, the functional activity of hPHT1 was evaluated by cellular uptake studies with d3-l-histidine, GlySar, and the bacterial peptidoglycan products MDP and Tri-DAP. We found that the disruption of two dileucine motifs was indispensable for hPHT1 transporter being preferentially targeting to plasma membranes. hPHT1 showed high affinity for d3-l-histidine and low affinity for GlySar, with Km values of 16.3 +/- 1.9 MUM and 1.60 +/- 0.30 mM, respectively. Moreover, the bacterial peptidoglycan components MDP and Tri-DAP were shown conclusively to be hPHT1 substrates. The uptake of MDP by hPHT1 was inhibited by di/tripeptides and peptide-like drugs, but not by glycine and acyclovir. The functional activity of hPHT1 was also pH-dependent, with an optimal cellular uptake in buffer pH 6.5. Taken together, we established a novel cell model to evaluate the function of hPHT1 in vitro, and confirmed that MDP and Tri-DAP were substrates of hPHT1. Our findings suggest that PHT1 may serve as a potential target for reducing the immune responses and for drug treatment of inflammatory diseases. PMID- 29224354 TI - High-Speed Counter-Current Chromatography (HSCCC) Purification of Antifungal Hydroxy Unsaturated Fatty Acids from Plant-Seed Oil and Lactobacillus Cultures. AB - Hydroxy unsaturated fatty acids (HUFA) can function as antifungal agents. To investigate the antifungal spectrum, that is, the scope of the in vitro fungal inhibition activities of HUFA and their potential applications, three HUFA were produced by microbial transformation or extracted from plant-seed oils; these compounds included coriolic acid (13-hydroxy-9,11-octadecadienoic acid) from Coriaria seed oil, 10-hydroxy-12-octadecenoic acid from cultures of Lactobacillus hammesii, and 13-hydroxy-9-octadecenoic acid from cultures of Lactobacillus plantarum TMW1.460Deltalah. HUFA were purified by high-speed counter-current chromatography (HSCCC), characterized by LC-MS and MS/MS, and their antifungal activities were evaluated with 15 indicator fungal strains. The HUFA had different antifungal spectra when compared with unsaturated fatty acids with comparable structures but without hydroxy groups. The inhibitory effects of HUFA specifically targeted filamentous fungi, including Aspergillus niger and Penicillium roqueforti, whereas yeasts, including Candida spp. and Saccharomyces spp., were resistant to HUFA. The findings here support the development of food applications for antifungal HUFA. PMID- 29224356 TI - Heating and Soaking Influence in Vitro Hindgut Fermentation of Tropical Legume Grains in Pigs. AB - The effects of different thermal (raw versus autoclaving or boiling for 5 and 20 min) and soaking (with or without) treatments on the in vitro hindgut fermentation in pigs of undigested residue collected after in vitro foregut digestion of tropical legumes' grains (Canavalia brasiliensis; Lablab purpureus; pink, red and white Vigna unguiculata) were investigated. The undigested residue was fermented with a pig fecal inoculum to determine fermentability, gas, and short-chain fatty acid (SCFA) productions. Soaked raw legumes increased the production of SCFAs (e.g., butyric acid) and fermentability, while autoclaving reduced them. The productions of butyric acid and energy derived from SCFAs differed between legumes, with canavalia and lablab having the lowest and highest values, respectively. SCFAs and energy productions were highly related to the predicted nutrients entering the hindgut. In conclusion, different heating and soaking treatments can be applied to legumes to modulate the production of target SCFAs. PMID- 29224355 TI - Structural Features and Domain Movements Controlling Substrate Binding and Cofactor Specificity in Class II HMG-CoA Reductase. AB - The key mevalonate pathway enzyme 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase (HMGR) uses the cofactor NAD(P)H to reduce HMG-CoA to mevalonate in the production of countless metabolites and natural products. Although inhibition of HMGR by statin drugs is well-understood, several mechanistic details of HMGR catalysis remain unresolved, and the structural basis for the wide range of cofactor specificity for either NADH or NADPH among HMGRs from different organisms is also unknown. Here, we present crystal structures of HMGR from Streptococcus pneumoniae (SpHMGR) alongside kinetic data of the enzyme's cofactor preferences. Our structure of SpHMGR bound with its kinetically preferred NADPH cofactor suggests how NADPH-specific binding and recognition are achieved. In addition, our structure of HMG-CoA-bound SpHMGR reveals large, previously unknown conformational domain movements that may control HMGR substrate binding and enable cofactor exchange without intermediate release during the catalytic cycle. Taken together, this work provides critical new insights into both the HMGR reaction mechanism and the structural basis of cofactor specificity. PMID- 29224357 TI - Investigation of the Nucleophilic Attack of Dichlorvos by Reduced Sulfur Species Using 1H NMR. AB - The mechanism of the reaction of dichlorvos through hydrolysis reactions and through the reaction with polysulfide (Sn2-) and thiophenolate (PhS-) was investigated by proton nuclear magnetic resonance (1H NMR). The study confirmed product identities of an organophosphorus insecticide reacting with reduced sulfur species using 1H NMR in oxygen sensitive solutions. The experiments of dichlorvos with polysulfide led to the detection of a previously undetected product. The thiophenolate experiments were further advanced to investigate second-order rate kinetics using an internal standard. The experiments provide new evidence for a nucleophilic attack by the reduced sulfur species at the methoxy carbon of dichlorvos. In addition, the observation of in situ reaction dynamics illustrates the applicability of 1H NMR spectroscopy toward kinetic investigations in environmental science. PMID- 29224358 TI - Extracellular versus Intracellular Degradation of Nanostructured Silica Particles. AB - Silica nanoparticles appear as promising drug carriers for intracellular delivery. However, the mechanisms by which they are degraded within cells remain largely unknown. In this context, we have prepared three types of PEGylated fluorescent silica nanoparticles with various internal structures (core-shell biocomposite, multilayered, and hollow mesoporous) and studied their degradation in a buffer, in a culture medium, and in contact with human dermal fibroblasts. All particles were prone to dissolve in solution, leading to an increase of porosity and/or the precipitation of new colloids and eventually fragmentation, with a faster rate in the medium compared to that in the buffer. All particles were also uptaken by the cells without significant cytotoxic effect. Their intracellular degradation occurred faster than in suspension, but following almost similar dissolution mechanisms. These results strongly suggest that in these conditions, silica nanoparticles must be primarily considered as hydrolytically degraded and not biodegraded, a point of importance for their future applications in drug delivery. PMID- 29224361 TI - Precision medicine strategies in oncology: mixed approaches to matched therapies. PMID- 29224359 TI - A Reduced Transcriptome Approach to Assess Environmental Toxicants Using Zebrafish Embryo Test. AB - Omics approaches can monitor responses and alterations of biological pathways at genome-scale, which are useful to predict potential adverse effects by environmental toxicants. However, high throughput application of transcriptomics in chemical assessment is limited due to the high cost and lack of "standardized" toxicogenomic methods. Here, a reduced zebrafish transcriptome (RZT) approach was developed to represent the whole transcriptome and to profile bioactivity of chemical and environmental mixtures in zebrafish embryo. RZT gene set of 1637 zebrafish Entrez genes was designed to cover a wide range of biological processes, and to faithfully capture gene-level and pathway-level changes by toxicants compared with the whole transcriptome. Concentration-response modeling was used to calculate the effect concentrations (ECs) of DEGs and corresponding molecular pathways. To validate the RZT approach, quantitative analysis of gene expression by RNA-ampliseq technology was used to identify differentially expressed genes (DEGs) at 32 hpf following exposure to seven serial dilutions of reference chemical BPA (10-10E-5MUM) or each of four water samples ranging from wastewater to drinking water (relative enrichment factors 10-6.4 * 10-4). The RZT ampliseq-embryo approach was both sensitive and able to identify a wide spectrum of biological activities associated with BPA exposure. Water quality was benchmarked based on the sensitivity distribution curve of biological pathways detected using RZT-ampliseq-embryo. Finally, the most sensitive biological pathways were identified, including those linked with adverse reproductive outcomes, genotoxicity and development outcomes. RZT-ampliseq-embryo approach provides an efficient and cost-effective tool to prioritize toxicants based on responsiveness of biological pathways. PMID- 29224360 TI - Predicting Intelligibility Deficit in Dysphonic Speech with Cepstral Peak Prominence. AB - OBJECTIVES: The aim of this study was to examine the potential of cepstral peak prominence (CPP) for predicting the intelligibility deficit in dysphonic speech. METHODS: Sentences from Hearing-in-Noise Test were recorded from 18 speakers with dysphonia and 18 speakers with normal voice. These samples were presented to 60 adults with normal hearing in quiet and noise at signal to noise ratio of +0 dB. Intelligibility was measured by orthographic transcription. Cepstral peak prominence was measured for all samples. Correlation between CPP and intelligibility score was examined. RESULTS: Intelligibility was significantly lower in dysphonic speech than normal speech in the presence of background noise. The correlation between CPP and intelligibility score was moderate when the intelligibility scores were averaged per speaker. CONCLUSIONS: Cepstral peak prominence only moderately predicts intelligibility deficit in dysphonic speech. Accordingly, CPP alone is not sufficient for describing the deficit. PMID- 29224362 TI - Structure determination and quantification of a new flavone glycoside with anti acetylcholinesterase activity from the herbs of Elsholtzia ciliata. AB - Three acacetin triglycosides (compounds 1, 2 and 3) were isolated from the herbs of Elsholtzia ciliata (Labiatae). The structure were identified as 7-O-beta-D glucopyranosyl-(1 -> 2)[alpha-L-rhamnopyranosyl-(1 -> 6)]-beta-D-glucopyranoside (compound 1), 7-O-(6-O-acetyl)-beta-D-glucopyranosyl-(1 -> 2)[alpha-L rhamnopyranosyl-(1 -> 6)]-beta-D-glucopyranoside (compound 2) and 7-O-(6-O acetyl)-beta-D-glucopyranosyl-(1 -> 2)[(4-O-acetyl)-alpha-L-rhamnopyranosyl-(1 -> 6)]-beta-D-glucopyranoside (compound 3) of acacetin. The structures of these compounds were determined on the basis of 2D-NMR spectroscopic data. Compound 3 has not been isolated from a natural source. In addition, the three compounds were quantitatively analysed by HPLC. Acetylcholinesterase (AChE) inhibition activity was assayed to find anti-Alzheimer's activity, since this enzyme increases the concentration of acetylcholine (ACh), a neurotransmitter, responsible for brain's memory. Acacetin, the aglycone of the three compounds, exhibited a potent anti-cholinesterase activity (IC50, 50.33 +/- 0.87), though its glycosides (1, 2 and 3) were less active. HPLC analysis demonstrated that the three compounds were contained in the MeOH extract in the order of compounds 2 (12.63 mg/g extract) > 3 (3.10 mg/g) > 1 (2.92 mg/g). PMID- 29224363 TI - A new cadinane sesquiterpenoid from cultures of the Basidiomycete Panus conchatus. AB - A new cadinane sesquiterpenoid, named panutorulon A (1), was isolated from cultures of the basidiomycete Panus conchatus. The new structure was elucidated by means of spectroscopic methods. Compound 1 was tested for its cytotoxicity against five human cancer cell lines and for its inhibitory activity against isozymes of 11beta-hydroxysteroid dehydrogenases (11beta-HSD). PMID- 29224364 TI - New anticoagulants for venous thromboembolism and atrial fibrillation: what the future holds. AB - INTRODUCTION: The field of anticoagulation has seen impressive progress over the last decade. The introduction of the Non Vitamin K Oral Anticoagulants (NOACs) has revolutionized practice surrounding thromboprophylaxis, treatment of thromboembolic disease and stroke prevention in atrial fibrillation (AF). However, the search for the 'holy grail' of anticoagulation, an agent that combines optimal efficacy with minimal bleeding diathesis, continues. Areas covered: In this paper we aim to summarize the current evidence from pre-clinical studies and early phase clinical trials, presenting the pharmacodynamic and pharmacokinetic properties as well as the safety and efficacy profiles of the most important antithrombotic agents in development. Expert opinion: Research focused on the development of new anticoagulation agents is rapidly expanding. Although the exploration of antithrombotic agents that act on well-established targets such factor Xa and thrombin remains the mainstay, attention has also shifted to other factors in the coagulation cascade. The evidence emerging from clinical research is growing, generating exciting possibilities in the field of anticoagulation. PMID- 29224365 TI - Evaluation of genotoxic and modulatory effects of Nyctanthes arbor-tristis calyx extract and the isolated crocin in Ames' assay. AB - Flowers of the plant Nyctanthes arbor-tristis (NAT) are widely used in the traditional medicinal systems of several Asian countries. In the present study, potential genotoxicity and modulatory effects of ethanolic extract of NAT flower calyx (NAT FCE) and crocin, a carotenoid principle were evaluated employing standard Salmonella assay. Experiments evaluating the genotoxic potential of NAT FCE and crocin, with and without the S9-activation in TA 98, TA 100 and TA 102 showed a lack of increase in revertant mutants. Evaluation of modulatory effects of NAT FCE and crocin, without the S9, showed significant decrease in the number of 4-nitro-o-phenylenediamine-, sodium azide- and ethyl methanesulfonate-induced revertants. However, with S9, NAT FCE and crocin moderately increased the 2 aminoanthracene-induced revertants in TA 98; they moderately decreased revertants in TA 100 and TA 102. Both NAT FCE and crocin have been shown to be non-genotoxic and to be able to modulate responses of standard mutagens. PMID- 29224366 TI - Biotransformation of soy flour isoflavones by Aspergillus niger NRRL 3122 beta glucosidase enzyme. AB - beta-glucosidase enzyme produced from Aspergillus niger NRRL 3122 has been partially purified and characterised. Its molecular weight was 180 KDa. The optimal pH and temperature were 3.98 and 55 degrees C, respectively. It promoted the hydrolysis of soy flour isoflavone glycosides to their aglycone. Two-level Plackett-Burman design was applied and effective variables for genistein production were determined. Reaction time had a significant positive effect, and pH had a significant negative effect. They were further evaluated using Box Behnken model. Accordingly, the optimal combination of the major reaction affecting factors was reaction time, 5 h and pH, 4. The concentration of genistein increased by 11.73 folds using this optimal combination. The antioxidant activity of the non-biotransformed and biotransformed soy flour extracts was determined by DPPH method. It was found that biotransformation increased the antioxidant activity by four folds. PMID- 29224367 TI - Effect of ruxolitinib therapy on the quality-of-life of Japanese patients with myelofibrosis. AB - OBJECTIVES: Myelofibrosis (MF) is associated with a significant symptom burden that severely impacts patient quality-of-life (QoL). Ruxolitinib, a potent Janus kinase 1 (JAK1)/JAK2 inhibitor, led to substantial improvements in splenomegaly, MF-associated symptoms, and QoL in the phase 3 COMFORT studies, proving superior to placebo and best available therapy. This study evaluated the effect of ruxolitinib on symptoms and QoL in Japanese patients with MF. METHODS: A pooled analysis of studies A2202 (NCT01392443) and AJP01 (NCT02087059) of ruxolitinib in Japanese patients with MF (n = 81) was conducted. Changes in total symptom score (TSS) and the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 were summarized. RESULTS: Most patients received a starting dose of 15 or 20 mg twice daily (BID) and had a final titrated dose of >=10 mg BID. Overall, 67.7% (44/65) achieved a >=50% reduction from baseline in TSS at week 24. Reductions in TSS were seen in every dose group; the greatest reductions occurred in patients with a final titrated dose of 20 or 25 mg BID. Improvements in QoL were seen in patients who achieved a >=50% reduction in TSS. Generally, improvements in TSS and individual symptoms correlated with reductions in spleen size, with those having a >=35% reduction in spleen volume having the greatest improvements. CONCLUSIONS: Consistent with COMFORT-I, ruxolitinib provided substantial improvements in symptoms and QoL in Japanese patients with MF, with higher doses of ruxolitinib associated with better responses. PMID- 29224369 TI - Synthesis and antiproliferative activities of aminoalkylated polymethoxyflavonoid derivatives. AB - A series of novel aminoalkylated polymethoxyflavonoid derivatives 3-11 was synthesised from 5-hydroxy-3,7,3',4'-tetramethoxyflavonoid (1) through extending alkoxy chain at the 5-position, and introducing amine hydrogen bond receptor at the end of the side chain. Their antiproliferative activities were evaluated in vitro on a panel of three human cancer cell lines (Hela, HCC1954 and SK-OV-3). The results showed that all the target compounds exhibited antiproliferative activities against investigated cancer cells with IC50 values of 9.51-53.33 MUM. Compounds 5, 7, 8, 11 on Hela cells and compounds 4-9, 11 on HCC1954 exhibited more potency as compared to positive control cis-Platin. PMID- 29224368 TI - Immune response proteins as predictive biomarkers of doxorubicin-induced cardiotoxicity in breast cancer patients. AB - Cancer treatment with doxorubicin (DOX) can induce cumulative dose-dependent cardiotoxicity. Currently, there are no specific biomarkers that can identify patients at risk during the initial doses of chemotherapy. The aim of this study was to examine plasma cytokines/chemokines and potential cardiovascular biomarkers for the prediction of DOX-induced cardiotoxicity. Plasma samples were collected before (T0), and after the first (T1) and the second (T2) cycles of DOX based chemotherapy of 27 breast cancer patients, including five patients who presented with >10% decline of left ventricular ejection fraction (LVEF), five patients with LVEF decline of 5-10%, and 17 patients who maintained normal LVEF at the end of chemotherapy (240 mg/m2 cumulative dose of DOX from four cycles of treatment). Multiplex immunoassays were used to screen plasma samples for 40 distinct chemokines, nine matrix metalloproteinases, 33 potential markers of cardiovascular diseases, and the fourth-generation cardiac troponin T assay. The results showed that the patients with abnormal decline of LVEF (>10%) had lower levels of CXCL6 and sICAM-1 and higher levels of CCL23 and CCL27 at T0; higher levels of CCL23 and lower levels of CXCL5, CCL26, CXCL6, GM-CSF, CXCL1, IFN gamma, IL-2, IL-8, CXCL11, CXCL9, CCL17, and CCL25 at T1; and higher levels of MIF and CCL23 at T2 than the patients who maintained normal LVEF. Patients with LVEF decline of 5-10% had lower plasma levels of CXCL1, CCL3, GDF-15, and haptoglobin at T0; lower levels of IL-16, FABP3, and myoglobin at T1; and lower levels of myoglobin and CCL23 at T2 as compared to the patients who maintained normal LVEF. This pilot study identified potential biomarkers that may help predict which patients are vulnerable to DOX-induced cardiotoxicity although further validation is needed in a larger cohort of patients. Impact statement Drug-induced cardiotoxicity is one of the major concerns in drug development and clinical practice. It is critical to detect potential cardiotoxicity early before onset of symptomatic cardiac dysfunction or heart failure. Currently there are no qualified clinical biomarkers for the prediction of cardiotoxicity caused by cancer treatment such as doxorubicin (DOX). By using multiplex immunoassays, we identified proteins with significantly changed plasma levels in a group of breast cancer patients who were treated with DOX-based chemotherapy and produced cardiotoxicity. These proteins were associated with immune response and were identified before DOX treatment or at early doses of treatment, thus they could be potential predictive biomarkers of cardiotoxicity although further validation is required to warrant their clinical values. PMID- 29224370 TI - Authenticating apple cider vinegar's home remedy claims: antibacterial, antifungal, antiviral properties and cytotoxicity aspect. AB - These are the days when one would go online first seeking home remedies before seeing a doctor. Apple cider vinegar (ACV) is one such popular yet scientifically under-validated remedy. Our results prove the unequivocal antimicrobial activity of ACV to be true at full strength concentrations. However, the activity cannot be generalised because although strong antibacterial activity was observed at 25% concentrations, in terms of antifungal activity, yeasts, especially Candida were found to be less susceptible. The antimicrobial/antioxidant properties are ascertained to the total phenolic contents of ACV, as confirmed by our characterisation of the bioactive compounds and antioxidant activity. When checking for its cytotoxicity, ACV exhibited toxicity even at concentrations as low as 0.7%. These results indicate that there is no question of generalising the idea of ACV usage, instead more in vitro and in vivo validations are necessary in order to precisely weigh the pros and cons of ACV. PMID- 29224372 TI - Do condensed tannins from Lysiloma latisiliquum have a role in its anthelmintic activity? AB - We would like to comment on a recent paper by Hernandez-Bolio et al. (2017, Nat. Prod. Res. DOI: 10.1080/14786419.2017.1317774) where an extract free of condensed tannin (CT) was evaluated and concluded that Lysiloma latisiliquum CT does not have a role in its anthelmintic (AH) activity. This letter discusses the AH potential of L. latisiliquum based on previously published evidence of a partial role of CT using different AH assays and Haemonchus contortus isolates. Because the experimental design employed in the above-mentioned paper did not allow a clear-cut conclusion regarding the role of CT, this suggests that a specific experiment must be designed to confirm or reject the involvement of CT fraction(s) on L. latisiliquum AH activity. PMID- 29224371 TI - Electrostatic interaction of tumor-targeting adenoviruses with aminoclay acquires enhanced infectivity to tumor cells inside the bladder and has better cytotoxic activity. AB - In a previous report, 3-aminopropyl functionalized magnesium phyllosilicate (aminoclay) improved adenovirus transduction efficiency by shielding the negative surface charges of adenovirus particles. The present study analyzed the physicochemical characterization of the electrostatic complex of adenoviruses with aminoclay and explored whether it could be utilized for enhancing tumor suppressive activity in the bladder. As a result of aminoclay-adenovirus nanobiohybridization, its transduction was enhanced in a dose-dependent manner, increasing transgene expression in bladder cancer cells and in in vivo animal models. Physicochemical studies demonstrated that positively charged aminoclay led to the neutralization of negative surface charges of adenoviruses, protection of adenoviruses from neutralizing antibodies and lowered transepithelial electrical resistance (TEER). As expected from the physicochemical properties, the aminoclay enabled tumor-targeting adenoviruses to be more potent in killing bladder cancer cells and suppressing tumor growth in orthotopic bladder tumors, suggesting that aminoclay would be an efficient, versatile and biocompatible delivery carrier for intravesical instillation of adenoviruses. PMID- 29224373 TI - Pharmacotherapy and treatment options for HIV-associated nephropathy. AB - INTRODUCTION: Human immunodeficiency virus (HIV) remains a worldwide disease with significant mortality and morbidity. There are a multitude of HIV-related kidney diseases including HIV-associated nephropathy (HIVAN) most prominently. The risk of developing HIVAN increases with decreasing CD4 count, higher viral load, and based on genetic factors. The mortality rate for those with HIVAN-end stage renal disease (ESRD) remains 2.5-3 times higher than ESRD patients without HIVAN. Areas covered: The epidemiology of HIVAN, particularly risk assessment, will be explored in this review. Further, the pathogenesis of HIVAN, from viral-specific renal expression to the role of genetics as well as characteristic renal pathology will be described. Diagnosis and management of HIVAN will be addressed, with an emphasis on various treatment strategies including medication, dialysis, and kidney transplantation. Expert opinion: HIVAN is associated with a high risk for progression to ESRD and increased mortality. The backbone of HIVAN therapy remains combined anti-retroviral therapy (cART), while adjunctive therapies including RAAS blockade and prednisone, should be considered. In those who progress to ESRD, dialysis remains the mainstay of management, though increasing evidence has demonstrated that kidney transplantation can be effective in those with controlled HIV disease. PMID- 29224374 TI - Chemical characterisation and hepatoprotective potential of Cosmos sulphureus Cav. and Cosmos bipinnatus Cav. AB - This study was conducted to validate the hepatoprotective activity of Cosmos sulphureus and Cosmos bipinnatus. Aqua-methanolic extracts of both plants were evaluated for the presence of various phyto-constituents through HPLC. Different doses of both plant extracts were administered to rats for nine days. Standard control was silymarin 100 mg/kg. Paracetamol 1 gm/kg was administered 3 h post treatment on 9th day for induction of hepatotoxicity. Blood was collected for the evaluation of liver biochemical markers and livers were removed for histopathological evaluation 24 h post-paracetamol treatment. HPLC analysis revealed the presence of quercetin, gallic acid, caffeic acid and chlorogenic acid in both plant extracts. The extracts of both plants decreased the level of alanine aminotransaminase and total bilirubin significantly (p < 0.05), dose dependently and protected hepatocytes from paracetamol-induced hepatotoxicity. It can be concluded that both plants may possess hepatoprotective activity possibly due to the presence of quercetin and phenolic compounds. PMID- 29224375 TI - Autoimmune rheumatic diseases and the risk of Parkinson disease: a nationwide population-based cohort study in Taiwan. AB - BACKGROUNDS: In autoimmune rheumatic diseases (ARDs), the levels of inflammatory mediators are increased and microglia may be activated, resulting in an inflammatory state and the degeneration of dopaminergic neurons. We investigated the association between ARDs and Parkinson disease (PD). METHODS: We identified ARD patients through the Taiwan National Health Insurance Research Database from 2001 to 2012. From the general population, we randomly selected a comparison cohort that was frequency-matched by age (in 5-year increments), sex and index year. We analysed the risk of PD, stratified by sex, age and comorbidities, by using a Cox regression model. RESULTS: The risk of PD was 1.37 times greater in ARD patients than in controls after adjustment for age, sex, and comorbidities. ARD subgroups, such as the rheumatoid arthritis and Sjogren syndrome (SS) cohorts, were associated with a significantly higher risk of PD (adjusted hazard ratio [HR], 1.14; 95% confidence interval [CI], 1.03-1.2 and adjusted HR, 1.56; 95% CI, 1.35-1.79, respectively). Furthermore, primary and secondary SS patients had significantly higher risks of PD (adjusted HR, 1.58; 95% CI, 1.32-1.88 and adjusted HR, 1.53, 95% CI, 1.23-1.90, respectively). CONCLUSIONS: The risk of PD was significantly higher in the ARD patients. Prospective studies are needed to confirm whether ARDs indeed increase the risk of PD. PMID- 29224376 TI - Regulation of follicle growth through hormonal factors and mechanical cues mediated by Hippo signaling pathway. AB - The ovary is an interesting organ that shows major structural changes within a short period of time during each reproductive cycle. Follicle development is controlled by local paracrine and systemic endocrine factors. Many hormonal and molecular analyses have been conducted to find the mechanisms underlying structural changes in ovaries, However, exact mechanisms still remain to be determined. Recent development of mechanobiology facilitates the understanding on the contribution of physical forces and changes in the mechanical properties of cells and tissues to physiology and pathophysiology. The Hippo signaling pathway is one of the key players in mechanotransduction, providing an understanding of the molecular mechanisms by which cells sense and respond to mechanical signals to regulate cell proliferation and apoptosis for maintaining optimal organ sizes. Our group recently demonstrated the involvement of the Hippo signaling pathway in the regulation of ovarian follicle development. Fragmentation of ovarian cortex into small cubes changed cytoskeletal actin dynamics and induced disruption of the Hippo signaling pathway, leading to the production of CCN growth factors and anti-apoptotic BIRC. These factors, in turn, stimulated secondary follicle growth in vitro and in vivo. In this review, we summarized hormonal regulation of follicular structural changes and further focused on the role of Hippo signaling in the regulation of follicle development. We also suggest a new strategy of infertility treatments in patients with polycystic ovary syndrome and primary ovarian insufficiency based on mechanobiology. PMID- 29224377 TI - Two new secolignans from the roots of Urtica fissa. AB - Two new secolignans, 3,4-trans-3-hydroxymethyl-4-[bis(4-hydroxy-3- methoxyphenyl)methyl]butyrolactone (1) and 3,4-trans-3-hydroxymethyl-4- [bis(3,4 dimethoxyphenyl)methyl]butyrolactone (2) have been isolated from the roots of Urtica fissa E.Pritz. Their structures were determined on the basis of spectroscopic methods, especially 1H NMR, 13C NMR, 2D NMR, and HR-ESI-MS. The inhibitory effects on N1 and N2, two subtypes of neuraminidases (NAs), of these two compounds were assayed. PMID- 29224378 TI - Carotane-type sesquiterpenes from cultures of the insect pathogenic fungus Isaria fumosorosea. AB - Two new carotane-type sesquiterpenes named trichocaranes E (1) and F (2), along with two known ones CAF-603 (3) and trichocarane C (4), were isolated from cultures of the insect pathogenic fungus Isaria fumosorosea. Their structures and relative configurations were elucidated by extensive spectroscopic analysis and X ray crystallography. Compounds 1-3 showed potent cytotoxic activities against six tumor cell lines MDA, MCF-7, SKOV-3, Hela, A549, HepG2 with IC50 values in a concentration range of 0.1-6.0 MUg/ml. PMID- 29224379 TI - Just-in-time consent: The ethical case for an alternative to traditional informed consent in randomized trials comparing an experimental intervention with usual care. AB - Informed consent for randomized trials often causes significant and persistent anxiety, distress and confusion to patients. Where an experimental treatment is compared to a standard care control, much of this burden is potentially avoidable in the control group. We propose a "just-in-time" consent in which consent discussions take place in two stages: an initial consent to research from all participants and a later specific consent to randomized treatment only from those assigned to the experimental intervention. All patients are first approached and informed about research procedures, such as questionnaires or tests. They are also informed that they might be randomly selected to receive an experimental treatment and that, if selected, they can learn more about the treatment and decide whether or not to accept it at that time. After randomization, control patients undergo standard clinical consent whereas patients randomized to the experimental procedure undergo a second consent discussion. Analysis would be by intent-to-treat, which protects the trial from selection bias, although not from poor acceptance of experimental treatment. The advantages of just-in-time consent stem from the fact that only patients randomized to the experimental treatment are subject to a discussion of that intervention. We hypothesize that this will reduce much of the patient's burden associated with the consent process, such as decisional anxiety, confusion and information overload. We recommend well controlled studies to compare just-in-time and traditional consent, with endpoints to include characteristics of participants, distress and anxiety and participants' understanding of research procedures. PMID- 29224380 TI - Ethics and practice of Trials within Cohorts: An emerging pragmatic trial design. AB - BACKGROUND: With increasing emphasis on pragmatic trials, new randomized clinical trial designs are being proposed to enhance the "real world" nature of the data generated. We describe one such design, appropriate for unmasked pragmatic clinical trials in which the control arm receives usual care, called "Trials within Cohorts" that is increasingly used in various countries because of its efficiency in recruitment, advantages in reducing subject burden, and ability to better mimic real-world consent processes. METHODS: Descriptive, ethical, and US regulatory analysis of the Trials within Cohorts design. RESULTS: Trials within Cohorts design involves, after recruitment into a cohort, randomization of eligible subjects, followed by an asymmetric treatment of the two arms: those selected for the experimental arm provide informed consent for the intervention trial, while the data from the control arm are used based on prior broad permission. Thus, unlike the traditional Zelen post-randomization consent design, the cohort participants are informed about future research within the cohort; however, the extent of this disclosure currently varies among studies. Thus, ethical analysis is provided for two types of situations: when the pre randomization disclosure and consent regarding the embedded trials are fairly explicit and detailed versus when they consist of only general statements about future data use. These differing ethical situations could have implications for how ethics review committees apply US research rules regarding waivers and alterations of informed consent. CONCLUSION: Trials within Cohorts is a promising new pragmatic randomized controlled trial design that is being increasingly used in various countries. Although the asymmetric consent procedures for the experimental versus control arm subjects can initially raise ethical concerns, it is ethically superior to previous post-randomization consent designs and can have important advantages over traditional trial designs. PMID- 29224381 TI - Natural aldehyde extraction and direct preparation of new blue light-emitting imidazo[1,5-a]pyridine fluorophores. AB - This work describes the extraction of natural aldehydes and the use of extracts to synthesise new fluorescent imidazo[1,5-a]pyridine derivatives. The characterisation of the extracted aldehydes by different techniques and the optical study of the fluorescent products allow the design of new compounds suitable for pharmaceutical, down-shifting, microscopy and electronic applications. The fluorophores are generated by an easy one-pot cyclisation reaction in mild conditions without catalyst and with only water as by-product. PMID- 29224382 TI - Chemical and pharmacological comparison of modern and traditional dosage forms of Joshanda. AB - Recently, a traditional remedy (Joshanda) has been replaced largely by modern ready-to-use dosage forms, which have not been compared to the original remedy. Therefore, the present study aimed to compare a number of modern dosage forms with traditional remedy. Seven brands, 3 batches each, were compared with a Lab made formulation with reference to analytical (proximate analyses, spectroscopic and chromatographic metabolomes) and pharmacological profiles (anti-inflammatory and antibacterial activities). Chemical and pharmacological differences were found between Lab-made Joshanda and modern dosage forms. Such variations were also found within the brands and batches of modern formulations (p < 0.05). The Lab-made Joshanda showed significantly higher pharmacological activities as compared to modern brands (p ). The results of the present study indicate that modern dosage forms are unstandardised and less effective than the traditional remedy. Characteristic profiles obtained from Lab-made Joshanda may be used as reference to produce comparable dosage forms. PMID- 29224383 TI - ABCB1: is there a role in the drug treatment of Parkinson's disease? PMID- 29224386 TI - Sexual Homicides in China: Exploring the Offender, Victim, and Offense Characteristics. AB - Nearly all information available on sexual homicides are limited to studies conducted in the West. Little is known about sexual homicides that occurred in China. The current study is arguably the first to explore the offender, victim, and offense characteristics of Chinese sexual homicides. Over a period of 23 years (1994 to 2016), the data of 59 cases collected from two data sources (i.e., published Chinese case reports and police data) are examined. Findings indicate that heterosexual assaults are far more prevalent in Chinese sexual homicides. Sexual murderers who averagely aged 32.44 years are mostly males (97%), single (67%), secondary school educated (68%), and with no prior overall (80%) and sexual (88%) convictions. The victims are mostly females (83%) with mean age of 35.35 years. The frequently observed offending patterns include strangers as victim choice (63%), con tactics as victim approach method (57%), sexual pleasure as primary motivation (49%), and personal weapons as murder weapon of choice (41%). Vaginal penetration is a commonly observed sexual assault (88%) and victim body mutilation is also not uncommon (47%). Three case examples are also presented to illustrate the diverse nature and offending patterns of Chinese sexual homicide offenders. PMID- 29224384 TI - New coumarin from the roots of Prangos pabularia. AB - The new coumarin 1, yuganin A (7-methoxy-8-((1S,2S)-1,2,3-trihydroxy-3 methylbutyl)-2H-chromen-2-one) along with nine known coumarins, heraclenol 3'-O beta-D-glucopyranoside (2), oxypeucedanin hydrate 3'-O-beta-D-glucopyranoside (3), heraclenol (4), oxypeucedanin hydrate (5), osthole (6), oxypeucedanin (7), heraclenin (8), isoimperatorin (9), imperatorin (10) and the disaccharide sucrose (11), have been isolated from the roots of Prangos pabularia, and the structures of these isolated compounds were elucidated by spectroscopic means, especially, UV, HR-ESIMS, and 1D and 2D NMR spectroscopy. Furthermore, the anti-melanogenic effect of yuganin A and its inhibitory effect on B16 cells were evaluated. Yuganin A may be useful in the treatment of hyperpigmentation and as a skin whitening agent in the cosmetics industry. PMID- 29224387 TI - It is Written in Your Eyes: Hostile Attributions and Self-Directed Gaze Perception in Incarcerated Violent Adolescent Male Offenders. AB - To date, we have frugal knowledge about the hostile attribution bias (HAB) and the biased gaze perception in violent adolescent offenders. This however is a major contributing factor in understanding delinquent behavior. Using a computer based approach, presenting faces modulated in gaze direction (0 degrees , 2 degrees , 4 degrees , 6 degrees , 8 degrees ) and valence (angry, fearful, happy, neutral), the present study examined the impact of HAB of the feeling of being stared at in a sample of 27 adolescent offenders (aged 17-24 years). The study was conducted institution-intern in the Department for Social Therapy of a German correctional facility. Results showed that in comparison with faces with negative expressions, happy faces were more likely to be perceived as self-directed. Interestingly, emotion showed significant influence of the gaze perception in only two viewing angles (2 degrees and 6 degrees ), revealing the role of the facial expression in highly ambiguous conditions. Furthermore, hostility did not modulate the relationship between the self-referential gaze perception and (negative) facial expression. Possible frameworks and limitations of the study are discussed. PMID- 29224388 TI - Toughing out the business climate. PMID- 29224385 TI - Serum glycosylation characterization of osteonecrosis of the femoral head by mass spectrometry. AB - Osteonecrosis of the femoral head is a recalcitrant and paralyzing disease often discovered in the end stage at the time of diagnosis, which is often performed by physical examination and diagnostic imaging. Osteonecrosis of the femoral head is typically caused by trauma or long-term steroid use. There are over 30 million patients in the US taking steroids, and roughly 40% will develop osteonecrosis of the femoral head. However, the exact pathophysiological process is not well understood. This study aims to examine the alteration in serum glycosylation of osteonecrosis of the femoral head using the state-of-the-art analytical tools to provide more chemical data for pathophysiology research and possibly biomarker discovery. A training set containing 27 serum samples from steroid-induced osteonecrosis of the femoral head patients and 25 from gender- and age-matched controls was collected and analyzed. Glycosylation of whole serum and site specific glycosylation of immunoglobulins are characterized using electrospray ionization-Q-time of flight and electrospray ionization-Triple-Quadruple via multiple reaction monitoring, respectively. The whole serum glycosylation analysis yielded 14 N-glycan compositions and multiple reaction monitoring yielded eight glycopeptides that were altered between cases and controls with statistical significance. The increase of nonsialylated, nonfucosylated N-glycans and decrease of fucosylated N-glycans are associated with the development of osteonecrosis of the femoral head. Glycosylation is a posttranslational protein modification and is apparently affected by osteonecrosis of the femoral head. Future studies with a larger cohort and patients from earlier stage will be performed to assess these potential markers' value in disease onset. PMID- 29224389 TI - Is a single-payer system the answer for the uninsured? PMID- 29224390 TI - Hope in the face of reform. PMID- 29224391 TI - Does a medical degree matter anymore? PMID- 29224392 TI - The $16 office visit: a preview of change? PMID- 29224393 TI - Satisfaction after reform? No guarantees. PMID- 29224394 TI - Physician Satisfaction Index. PMID- 29224395 TI - A fighting chance for solo practice. PMID- 29224396 TI - 'Post office' medicine: the end of first-class service? PMID- 29224397 TI - Flexibility: ticket to survival. PMID- 29224398 TI - Ready and set for change. PMID- 29224399 TI - Your hotline to the players in Washington. PMID- 29224401 TI - To keep quality care, keep the profit motive. PMID- 29224400 TI - Managed care: hassle-free medical practice? PMID- 29224402 TI - Decoding health policy jargon. AB - Along with policy, healthcare analysts are inventing a vocabulary that is as cryptic as it is paradoxical. In an effort to keep readers informed about the fast-paced evolution of healthcare reform, the editors of POSTGRADUATE MEDICINE have compiled this summary of some of the key concepts that are currently under discussion. PMID- 29224403 TI - 'Unnatural' selection: prodding doctors into primary care. PMID- 29224404 TI - EDiP: the Epitope Dilution Phenomenon. Lessons learnt from a malaria vaccine antigen and its applicability to polymorphic antigens. AB - INTRODUCTION: Polymorphism in vaccine antigens poses major challenges to vaccinologists. The Plasmodium falciparum Apical Membrane Antigen 1 (AMA1) poses such a challenge. We found that immunization with a mixture of three variants yielded functional antibody levels to all variants comparable to levels induced by monovalent immunization. The mechanism behind the observed broadening was shown to be an increase in the fraction of cross-reactive antibodies, most likely because strain-specific epitopes are present at lower frequency relative to conserved epitopes. Areas covered: We hereby introduce the Epitope Dilution Phenomenon (EDiP) as a practical strategy for the induction of broad, cross variant antibody responses against polymorphic antigens and discuss the utility and applicability of this phenomenon for the development of vaccines against polymorphic antigens of pathogens like Influenza, HIV, Dengue and Plasmodium. Expert commentary: EDiP can be used to broaden antibody responses by immunizing with a mixture of at least 3 antigenic variants, where the variants included can differ, yet yield broadened responses. PMID- 29224405 TI - Phylogeography and genetic population structure of the spadenose shark (Scoliodon macrorhynchos) from the Chinese coast. AB - The population structure of Scoliodon macrorhynchos from the Chinese coast was investigated using the mitochondrial control region. All 19 mtDNA haplotypes from 219 sequences were identified. Relatively high average haplotype diversity (0.797) and relatively low average nucleotide diversity (0.0013) were found together with a recent and sudden population expansion. Analysis of the mismatch distributions, neutrality tests and Bayesian skyline plot showed a pattern consistent with a recent population expansion event that may have taken place during the last glacial maximum (LGM). The analysis of molecular variance (AMOVA) showed the low genetic differentiation between the populations, which may be a general feature of sharks living in coastal areas. The phylogenetic and cluster analysis of the mtDNA indicates that two putative groups (K = 2) existed in S. macrorhynchos, showing that the Taiwan Strait acted as a biogeographic barrier during major drops in the sea level in the late Pliocene epoch. PMID- 29224406 TI - Novel psychotherapeutics - a cautiously optimistic focus on Hallucinogens. PMID- 29224407 TI - Quantification of regional aerosol deposition patterns as a function of aerodynamic particle size in rhesus macaques using PET/CT imaging. AB - Aerosol aerodynamic particle size is known to affect deposition patterns of inhaled aerosol particles, as well as the virulence of inhaled bioaerosol particles. While a significant amount of work has been performed to describe the deposition of aerosol particles in the human respiratory tract, only a limited amount of work has been performed to describe the deposition of aerosol particles in the respiratory tract of nonhuman primates, an animal model commonly utilized in pharmacological and toxicological studies, especially in the biodefense field. In this study, anesthetized rhesus macaques inhaled radiolabeled aerosols with MMADs of 1.7, 3.6, 7.4 and 11.8 um to characterize regional deposition patterns. The results demonstrate that the regional deposition pattern shifts as particle size increases, with greater deposition in more proximal regions of the respiratory tract and decreased deposition in the pulmonary region. The results of this study extend the findings of previous studies which demonstrated a similar shift in the deposition pattern as a function of particle size by providing greater resolution of deposition patterns. These data on regional deposition patterns provide a starting point to begin to explore potential mechanisms responsible for the differences in virulence of infectious bioaerosols as a function of particle size and deposition pattern reported in previous studies. Additionally, the data are useful to assess the performance of various deposition models that have been published in the literature. PMID- 29224408 TI - Oral anticoagulation therapy upon discharge in hospitalized patients with nonvalvular atrial fibrillation: a retrospective cohort study. AB - OBJECTIVES: Availability of direct oral anticoagulants and CHA2DS2VASc/HAS-BLED scoring tools underscore the importance of appropriate and safe use of oral anticoagulation therapy (OACT). The purpose of this study was to evaluate stroke prevention pharmacotherapy in adult patients with nonvalvular atrial fibrillation (NVAF) discharged from a large, community-based hospital. METHODS: A retrospective cohort study was conducted using a de-identified data collection sheet for data extraction (demographics, admitting diagnosis, OACT prior to admission and at discharge, concomitant medications that could increase bleed risk and/or acid-suppressive therapies). CHA2DS2VASc and HAS-BLED scores were calculated. Descriptive statistics were generated to describe all parameters. Frequency counts and percentages summarized categorical variables while mean +/- standard deviation were determined for continuous variables. RESULTS: Data from 180 patients were evaluated and of these 177 (98.3%) received OACT regardless of stroke risk upon discharge, as determined by CHA2DS2VASc scoring tool. The mean CHA2DS2VASc and HAS-BLED scores were 3.61 +/- 1.7 and 2.13 +/- 1.26, respectively. At discharge, eight patients at low-stroke risk received OACT for unclear reasons, one intermediate-stroke risk patient received aspirin only, and two patients at high-stroke risk did not receive OACT due to concerns about bleeds. In 66 patients at high-bleed risk, only half received concomitant acid suppressive therapy. CONCLUSIONS: Decision to add OACT is often guideline-driven, however, individualized circumstances in which clinicians and patients find themselves are also important considerations. Determination of ischemic stroke risk should be performed with CHA2DS2VASc scoring tool to exclude patients who may not benefit from OACT. HAS-BLED scoring tool should be used to identify any modifiable bleeding risk factors present with subsequent initiation of management strategies. Availability of complete medical histories and meticulous documentation are necessary for multiple clinicians to continuously determine optimal pharmacotherapy during follow-up visits. PMID- 29224409 TI - Intellectual property considerations for molecular diagnostic development with emphasis on companion diagnostics. AB - INTRODUCTION: The development of molecular diagnostics is a complex endeavor, with multiple regulatory pathways to consider and numerous approaches to development and commercialization. Companion diagnostics, devices which are "essential for the safe and effective use of a corresponding drug or diagnostic product" (see U.S. Food & Drug Administration, In Vitro Diagnostics - Companion Diagnostics, U.S. Dept. of Health & Human Services(2016), available at https://www.fda.gov/medicaldevices/productsandmedicalprocedures/invitrodiagnostic /ucm407297.htm ) and complementary diagnostics, which are more broadly associated with a class of drug, are becoming increasingly important as integral components of the implementation of precision medicine. Areas covered: The following article will highlight the intellectual property ('IP') considerations pertinent to molecular diagnostics development with special emphasis on companion diagnostics. Expert opinion/commentary Summary: For all molecular diagnostics, intellectual property (IP) concerns are of paramount concern, whether the device will be marketed only in the United States or abroad. Taking steps to protect IP at each stage of product development is critical to optimize profitability of a diagnostic product. Also the legal framework around IP protection of diagnostic technologies has been changing over the previous few years and can be expected to continue to change in the foreseeable near future, thus, a comprehensive IP strategy should take into account the fact that changes in the law can be expected. PMID- 29224410 TI - Reduction of opioid use and improvement in chronic pain in opioid-experienced patients after topical analgesic treatment: an exploratory analysis. AB - OBJECTIVE: There is a need to identify safe and effective opioid-sparing multimodal alternative treatment strategies and approaches, including topical analgesics, for opioid-experienced chronic pain patients to mitigate the risk of addiction, misuse, and abuse of opioids. METHODS: This subset analysis from a prospective, observational study evaluated changes in opioid use, other concurrent medication use, and pain severity and interference in opioid experienced patients (OEP) treated with topical analgesics for chronic pain with measures obtained at baseline and 3- and 6- month follow-up. RESULTS: The 3-month opioid-experienced patient (3-month OEP) group included 121 patients who completed baseline and 3-month follow-up assessments; 27 opioid-experienced patients completed baseline and 6-month follow-up assessments (6-month OEP). Demographic characteristics, and mean pain severity and interference scores were similar between groups at baseline. After treatment with topical analgesics, 49% of patients in the 3-month and 56% of patients in the 6-month group reported they had completely discontinued use of opioids. In addition, 31% of patients at the 3 month assessment and 30% at the 6-month assessment reported that they were no longer taking any pain medication. Other concurrent medications decreased by 65% after 3 months, and 74% after 6 months. There were statistically significant decreases from baseline in pain severity and interference scores within the 3- (CI:0.7-1.4, 1.4-2.2) and 6-month (CI:0.7-2.4 (severity); CI:1.2-3.5 (interference)) OEP groups. CONCLUSIONS: Opioid use and other concurrent medications decreased among opioid-experienced chronic pain patients after 3- and 6- months of treatment with topical analgesics. Pain severity and interference scores also decreased. The topical analgesics were reported to be effective and safe for the treatment of chronic pain, with randomized controlled trials needed to confirm these findings. PMID- 29224411 TI - Change in Quantitative EEG Theta Cordance as a Potential Predictor of Repetitive Transcranial Magnetic Stimulation Clinical Outcome in Major Depressive Disorder. AB - Repetitive transcranial magnetic stimulation (rTMS) has demonstrated efficacy in major depressive disorder (MDD), although clinical outcome is variable. Change in the resting-state quantitative electroencephalogram (qEEG), particularly in theta cordance early in the course of treatment, has been linked to antidepressant medication outcomes but has not been examined extensively in clinical rTMS. This study examined change in theta cordance over the first week of clinical rTMS and sought to identify a biomarker that would predict outcome at the end of 6 weeks of treatment. Clinically stable outpatients (n = 18) received nonblinded rTMS treatment administered to the dorsolateral prefrontal cortex (DLPFC). Treatment parameters (site, intensity, number of pulses) were adjusted on an ongoing basis guided by changes in symptom severity rating scale scores. qEEGs were recorded at pretreatment baseline and after 1 week of left DLPFC (L-DLPFC) rTMS using a 21 channel dry-electrode headset. Analyses examined the association between week 1 regional changes in theta band (4-8 Hz) cordance, and week 6 patient- and physician-rated outcomes. Theta cordance change in the central brain region predicted percent change in Inventory of Depressive Symptomology-Self-Report (IDS SR) score, and improvement versus nonimprovement on the Clinical Global Impression-Improvement Inventory (CGI-I) ( R2 = .38, P = .007; and Nagelkerke R2 = .78, P = .0001, respectively). The cordance biomarker remained significant when controlling for age, gender, and baseline severity. Treatment-emergent change in EEG theta cordance in the first week of rTMS may predict acute (6-week) treatment outcome in MDD. This oscillatory synchrony biomarker merits further study in independent samples. PMID- 29224412 TI - A Cure for Hemophilia within Reach. PMID- 29224414 TI - Using Photovoice to Explore Quality of Life Factors of Adults With Crouzon Syndrome. AB - In the United States, one in 60,000 adults live with Crouzon Syndrome (CS) and facial malformations. Phenomenological studies about their lived experiences and quality of life are lacking. The purpose of this participatory action research study was to gain a richer understanding of the perceived biopsychosocial and socioecological factors that impact quality of life for adults living with CS using Photovoice. Another aim was to develop a conceptual framework of quality of life for those experiencing CS to enhance tailored health education and services. A purposeful sample of nine adults with CS were recruited from U.S. national surgery centers and support groups. Participants used photography to represent their experiences and participated in individual interviews and focus groups. Data were analyzed with the participants using thematic analysis, and 44 themes emerged which informed the development of a quality of life conceptual framework and action plan described in this article. PMID- 29224413 TI - Low HOX gene expression in PML-RARalpha-positive leukemia results from suppressed histone demethylation. AB - Homeobox (HOX) genes are frequently dysregulated in leukemia. Previous studies have shown that aberrant HOX gene expression accompanies leukemogenesis and affects disease progression and leukemia patient survival. Patients with acute myeloid leukemia (AML) bearing PML-RARalpha fusion gene have distinct HOX gene signature in comparison to other subtypes of AML patients, although the mechanism of transcription regulation is not completely understood. We previously found an association between the mRNA levels of HOX genes and those of the histone demethylases JMJD3 and UTX in PML-RARalpha- positive leukemia patients. Here, we demonstrate that the release of the PML-RARalpha-mediated block in PML-RARalpha positive myeloid leukemia cells increased both JMJD3 and HOX gene expression, while inhibition of JMJD3 using the specific inhibitor GSK-J4 reversed the effect. This effect was driven specifically through PML-RARalpha fusion protein since expression changes did not occur in cells with mutated RARalpha and was independent of differentiation. We confirmed that gene expression levels were inversely correlated with alterations in H3K27me3 histone marks localized at HOX gene promoters. Furthermore, data from chromatin immunoprecipitation followed by sequencing broaden a list of clustered HOX genes regulated by JMJD3 in PML RARalpha-positive leukemic cells. Interestingly, the combination of GSK-J4 and all-trans retinoic acid (ATRA) significantly increased PML-RARalpha-positive cell apoptosis compared with ATRA treatment alone. This effect was also observed in ATRA-resistant NB4 clones, which may provide a new therapeutic opportunity for patients with acute promyelocytic leukemia (APL) resistant to current treatment. The results of our study reveal the mechanism of HOX gene expression regulation and contribute to our understanding of APL pathogenesis. PMID- 29224415 TI - Preclinical evaluation of saroglitazar magnesium, a dual PPAR-alpha/gamma agonist for treatment of dyslipidemia and metabolic disorders. AB - 1. Saroglitazar, a novel peroxisome proliferator-activated receptor (PPAR) agonist, regulates lipid and glucose metabolism. The objective of this report is to provide a preclinical evaluation (in vitro/in vivo) of ADME properties of saroglitazar. In vitro studies included determination of permeability, metabolic stability, plasma protein binding, CYP reaction phenotyping and CYP inhibitory liability. In vivo studies included oral bioavailability and pharmacokinetic assessment in mouse, rat and dog. The excretion of saroglitazar was determined in rats. Exploratory metabolism of saroglitazar was evaluated using in vitro and in vivo samples. 2. Saroglitazar was metabolically more stable in human liver microsomes as compared to rat and dog liver microsomes, highly protein bound (98 99.6%) with high Caco2 permeability (104 nm/s) with <2 efflux ratio. In vitro metabolism in rat, dog and human liver microsomes revealed three putative metabolites corresponding to di-hydroxylation, mono-oxygenation and dehydrogenation moieties. 3. Oral bioavailability was 100%, 72% and 47% in mouse, rat and dog, respectively. The intravenous clearance and volume of distribution of saroglitazar were 3.6, 8.5 and 6.9 mL/min/kg and 1.3, 4.8 and 1.8 L/kg for mouse, rat and dog, respectively. The elimination half-life of saroglitazar ranged between 6 and 15 h. Saroglitazar appeared to be eliminated via hepatobiliary route with negligible renal excretion. PMID- 29224416 TI - Utilising three-dimensional printing techniques when providing unique assistive devices: A case report. AB - BACKGROUND: The evolution of three-dimensional printing into prosthetics has opened conversations about the availability and cost of prostheses. This report will discuss how a prosthetic team incorporated additive manufacture techniques into the treatment of a patient with a partial hand amputation to create and test a unique assistive device which he could use to hold his French horn. Case description and methods: Using a process of shape capture, photogrammetry, computer-aided design and finite element analysis, a suitable assistive device was designed and tested. The design was fabricated using three-dimensional printing. Patient satisfaction was measured using a Pugh's MatrixTM, and a cost comparison was made between the process used and traditional manufacturing. Findings and outcomes: Patient satisfaction was high. The three-dimensional printed devices were 56% cheaper to fabricate than a similar laminated device. CONCLUSION: Computer-aided design and three-dimensional printing proved to be an effective method for designing, testing and fabricating a unique assistive device. Clinical relevance CAD and 3D printing techniques can enable devices to be designed, tested and fabricated cheaper than when using traditional techniques. This may lead to improvements in quality and accessibility. PMID- 29224417 TI - Parental Responses to Temper Outbursts in Children With ADHD: The Role of Psychological Factors. AB - OBJECTIVE: Children with ADHD frequently exhibit temper outbursts (TO). One related factor may be parental responses, such as harsh discipline and accommodation. This study tests the hypotheses that these responses will be associated with greater TO, and parental characteristics of higher anger and lower sense of competence, in children with ADHD. METHOD: Participants included 79 5- to 9-year-old children with ADHD (77.22% boys). Regressions were used to determine the association between parental psychological factors and responses to TO while covarying for TO frequency, severity, and duration. RESULTS: Parental anger and sense of competence were not significantly related to any discipline responses after covarying for TO characteristics, although sense of competence predicted spanking at trend-level significance. Both parental anger and sense of competence significantly predicted accommodation over and above TO characteristics. CONCLUSION: Results underscore the importance of parental anger and sense of competency in predicting parental behavior, specifically parental accommodation. PMID- 29224418 TI - The Characteristics and Age Effects of Emotional Lability in ADHD Children With and Without Oppositional Defiant Disorder. AB - OBJECTIVE: This study evaluated the concurrent validity of emotional lability (EL) in children with ADHD. METHOD: A total of 2,015 children with ADHD and 745 typically developed controls (TDCs) were assessed and compared on EL. RESULTS: ADHD participants expressed higher EL scores than TDCs, not influenced by gender or IQ. Higher levels of EL symptoms were found in children with comorbid oppositional defiant disorder (ODD) and with ADHD-combined subtype. Receiver operating characteristic (ROC) analyses showed a strong screening efficacy of EL symptoms on ADHD. The effect of developmental age on EL showed a desisting pattern in TDCs, as opposed to a persisting pattern in ADHD (not influenced by ODD comorbid status). ODD symptoms in ADHD showed an ascending pattern. CONCLUSION: EL can potentially serve as a sentinel index for the presence of ADHD, especially when the ADHD presentation is atypical. ODD may embody a developmental entity distinct from EL. PMID- 29224419 TI - Expanding the Phenotype of ALK-positive Histiocytosis: A Report of 2 Cases. AB - ALK-positive histiocytosis is a recently described rare histiocytic proliferative disorder of early infancy. When infants present with anemia, thrombocytopenia, and hepatosplenomegaly, this entity should be included in the differential diagnosis along with hemophagocytic lymphohistiocytosis, metabolic/storage diseases, hematopoietic malignancies, and autoimmune thrombocytopenia. We report 2 new cases of ALK-positive histiocytosis, one with kidney involvement and the other with extensive bone marrow involvement in addition to an overt liver disease. Renal involvement by ALK-positive histiocytosis has not been reported. The infiltrating histiocytes in this case showed Rosai-Dorfman disease-like morphology including emperipolesis. The histiocytes in the second case with extensive bone marrow involvement had foamy cytoplasm initially suggesting storage disease. Our 2 cases highlight previously unrecognized diversity of ALK positive histiocytosis in clinical manifestation, organ involvement, and cytomorphologic features and further elucidate the diagnostic challenges of this rare entity. PMID- 29224420 TI - Plaque-like Myofibroblastic Tumor: 2 Cases of This Unusual Dermal Tumor Which Occurs in Infancy and Early Childhood. AB - Plaque-like myofibroblastic tumor (PLMT) is a rare dermal spindle cell tumor which occurs in infancy or childhood within the first 4 years of life. The tumor is often pruritic and mostly presents on the lower back. We describe 2 cases with characteristic clinical and histological features of this entity, thus adding to the 10 cases which have so far been reported. Histologically, the lesion resembles a dermatofibroma. However, diffuse and uniform immunohistochemical staining with smooth muscle actin favors a myofibroblastic lineage. PLMT should be considered in the differential diagnosis of a dermal spindle cell tumor in the pediatric age-group. PMID- 29224421 TI - Hydrolysis, setting properties and in vitro characterization of wollastonite/newberyite bone cement mixtures. AB - Bone cements based on magnesium phosphates such as newberyite (N; MgHPO4.3H2O) have been shown as potential bone substitutes due to their biocompatibility, biodegradability and ability to support osteoblast differentiation and proliferation. Newberyite can hydrolyze to hydrated magnesium phosphate compounds (e.g. bobierite (Mg3(PO4)2.8H2O)) at alkaline conditions. In this study, 25 and 50 wt% of crystalline beta -wollastonite (woll; CaSiO3) was admixed to newberyite powder in order to both enhance the acid-base hydrolysis of newberyite and to produce a functional bone cement. The setting process of wollastonite/newberyite cement mixtures started with the hydrolysis of the wollastonite with further transformation of newberyite into bobierite and the formation of magnesium silicate phase. The results demonstrated that 25 wollastonite/newberyite and 50 wollastonite/newberyite cement pastes at optimal powder/liquid ratios had final setting times of ~34 and 25 min and compressive strength values of 18 and 32 MPa after seven days setting, respectively. The tests of cytotoxicity of cement extracts on osteoblastic cells and contact cytotoxicity of the cement substrates showed different results. The osteoblasts cultured in cement extracts readily proliferated which confirmed the non-cytotoxic concentration of ions released from both cements. On the other hand, a strong cytotoxic character of 25 wollastonite/newberyite sample surface in contrary to high (~80%) proliferation activity of cells on the 50 wollastonite/newberyite cement substrate was observed. The differences in cell proliferation activity was attributed to different surface topographies of cement substrates, where needle-like precipitated microcrystals of magnesium phosphate phase (in 25 wollastonite/newberyite cement) prevented the adhesion and proliferation of osteoblasts contrary to the smoother surface covered by extremely fine nanoparticles in the 50 wollastonite/newberyite cement. PMID- 29224422 TI - Thyroiditis. AB - Preview How does subacute thyroiditis differ from silent thyroiditis? What is an important clue in the diagnosis of Hashimoto's thyroiditis? Why is it difficult to distinguish the various inflammatory conditions of the thyroid gland? The authors of this article offer a useful guide to sorting out the signs and symptoms of the five types of thyroiditis. PMID- 29224423 TI - Perioperative management of thyroid disease. AB - Preview In discussions of the perioperative management of patients with thyroid disease, the wise axiom "an ounce of prevention is worth a pound of cure" remains especially applicable. Mortality rates with thyroid storm and myxedema coma, the most extreme complications, are still exceedingly high. In this article, the authors discuss the physiologic effects of thyroid disorders that adversely affect surgical risk. They also recommend preventive measures. PMID- 29224424 TI - Antibiotic prophylaxis for medical and dental procedures. AB - Preview Are prophylactic antibiotics really needed to prevent endocarditis and prosthetic joint infection when patients at risk undergo medical and dental procedures likely to cause bacteremia? Although animal studies seem to support such prophylaxis, clinical trials in humans are lacking, and some authorities believe it is unethical to give antibiotics without more evidence of benefit. Dr Uyemura examines the problem in this article. PMID- 29224425 TI - Preparticipation sports examinations. AB - Preview In most states, an examination is required before school-aged youngsters are allowed to play recreational and competitive sports. Examining physicians are responsible for conducting a thorough yet cost-effective evaluation to detect disqualifying or restricting conditions. The authors summarize the aspects to consider during history taking and physical examination and provide guidelines approved by the American Academy of Pediatrics. PMID- 29224427 TI - Giardiasis. AB - Preview Although infection with Giardia lamblia is common, identifying it can be a challenge. Laboratory testing is not always definitive, even in patients with characteristic gastrointestinal symptoms. Fortunately, antiprotozoal therapy is effective in most cases. In this article, Dr Babb discusses current diagnostic methods and outlines an effective approach to treatment. PMID- 29224426 TI - Allergic drug reactions. AB - Preview With most drugs, the risk of an allergic reaction is small, but not insignificant. What factors increase the risk? Do certain groups of patients have inherent risk factors for particular reactions? What should clinicians keep in mind about reactions to penicillins? sulfonamides? aspirin and NSAIDs? Dr Bernstein answers these and other questions and provides an algorithm for managing the care of patients with a history of drug allergy. PMID- 29224428 TI - Niacin for lipid disorders. AB - Preview Of the lipid-lowering agents, niacin (nicotinic acid) has been available the longest. Its efficacy in lowering LDL cholesterol and triglyceride levels and in raising HDL cholesterol levels makes it very useful for many patients. However, the frequency of adverse reactions in persons taking niacin has inhibited physicians from using the agent optimally in practice. In this article, Dr Brown examines its current role in the treatment of dyslipidemia. PMID- 29224429 TI - Is your patient using cocaine? AB - Preview Cocaine may bring a feeling of euphoria, but the short-lived high often comes with lasting adverse consequences. Because use of the drug is on the rise, primary care physicians should be familiar with its attendant medical complications. How does cocaine affect the heart? The lungs? The nervous system? Which bodily functions does it inhibit? Or enhance? Dr Warner answers these and other questions in this overview of the medical consequences of cocaine use. PMID- 29224430 TI - Thyroid screening. AB - Preview The ultrasensitive third-generation assay for thyrotropin (TSH) is now the "gold standard" for measuring thyroid activity. Who should be screened with it, and what further studies should be done if results are abnormal? Which patients with subclinical disease should receive treatment? Drs Brody and Reichard discuss these and other issues and provide an algorithm for thyroid screening. PMID- 29224431 TI - Endoscopic evaluation of iron deficiency anemia. AB - Preview Iron deficiency occurs in about 2% of US adults over age 50 and is a common cause of anemia. Opinions differ on the approach to evaluation of iron deficiency anemia in older patients, and studies have yielded conflicting results. What is the best diagnostic strategy? The authors review study results for the various options and recommend a stepwise, systematic approach to evaluation. PMID- 29224432 TI - When to worry about headache. AB - Preview Nine of 10 patients who seek medical attention for head pain have a migraine, tension-type, or cluster headache. Sometimes, however, head pain is a symptom of a more serious condition requiring prompt diagnosis and treatment. How can you determine if a headache is potentially dangerous? Drs Perkins and Ondo tell you how to avoid misdiagnosis with directed history taking and physical examination, as well as appropriate neurologic evaluation and diagnostic testing. PMID- 29224433 TI - Solitary thyroid nodules. AB - Preview Diagnostic evaluation of a thyroid nodule is an important undertaking but need not be complex. Often, physicians can rapidly categorize a nodule as benign or malignant with reasonable accuracy through history taking, physical examination, laboratory studies, and diagnostic imaging. Results of fine-needle aspiration biopsy can then guide further steps in diagnosis and treatment. The authors describe key elements in the evaluation process. PMID- 29224434 TI - Percutaneous intervention to correct central venous port catheter malposition. AB - The use of central venous port access is increasing due to the requirements of multimodal intravenous therapy.1 However, catheter malposition in smaller veins can lead to vein thrombosis, phlebitis and pain. Herein, we report our experience with the use of percutaneous interventions to correct migrated port catheter malposition. Minimally invasive percutaneous interventional correction of malposition could be an alternative to extraction and re-implantation of malpositioned port catheters. PMID- 29224435 TI - Pediculosis and scabies. AB - Preview The thought of parasites usually triggers revulsion and horror, and lice infestations have generated many words and phrases with unpleasant connotations (eg, feeling lousy, dirty louse, nit-picker). Still, humans too often find themselves sharing their bodies and living quarters with lice and mites. Dr Foreman describes how to accurately diagnose infestations, what to include in patient education to calm fears, and how to ensure successful treatment. PMID- 29224436 TI - Diaper dermatitis. AB - Preview Skin eruptions in the diaper area in infants bring many new parents to the primary care physician's office. Which topical agents and diapering strategies work best to clear lesions? And how can recurrence be avoided? The authors answer these questions and discuss common skin disorders in the diaper region as well as several rare disorders that may require dermatologic consultation. PMID- 29224437 TI - New oral agents for type II diabetes. AB - Preview Status quo obviously is not optimal in the management of patients with non-insulin-dependent diabetes, given the fact that the average hemoglobin A1c value in this diabetic population is between 9% and 10%. There is an impetus, therefore, to move up the treatment ladder more quickly than at present. The availability of new oral hypoglycemic agents provides the potential for expanding the role of this category of agents and for improving overall glycemic control in these patients. PMID- 29224438 TI - Variceal bleeding. AB - Preview The high mortality rate of variceal hemorrhage poses a management challenge. A severe bleeding episode requires emergency repletion of blood volume. If pharmacologic therapy fails to control bleeding, various endoscopic and surgical procedures must be considered. In this article, Drs Stein and Korula explore the various options available for managing this difficult medical problem. PMID- 29224439 TI - Variceal bleeding. AB - Preview Prevention of variceal hemorrhage in patients with chronic liver disease has been a primary concern for many researchers and practitioners. Because this complication is life-threatening, effective prophylaxis may improve survival rates by reducing the risk or delaying the onset of bleeding. In this article, Dr Korula discusses the likely causes of hemorrhage and explores current options for controlling acute bleeding and preventing rebleeding. PMID- 29224440 TI - Chronic stable angina pectoris. AB - Preview In most patients with stable angina pectoris, symptoms can be controlled successfully with drug therapy. Revascularization procedures should be reserved for those at high risk for cardiac events and those who do not respond to optimal therapy with any of the three classes of antianginal agents. In this article, the authors describe tailoring of medical therapy on the basis of concomitant disease, outcome of risk stratification, and response to individual agents. PMID- 29224442 TI - Skin disorders and primary care. PMID- 29224441 TI - Unstable angina pectoris. AB - Preview Patients with angina that occurs increasingly often, for longer periods, with less and less exertion, or during periods of rest are of particular concern. These traits are all characteristic of unstable angina. Unlike stable angina, which has a relatively benign course, unstable angina has the capability of progressing to acute myocardial infarction or death. The authors summarize patient evaluation, with emphasis on identification of those at risk. PMID- 29224443 TI - The Christmas Card. PMID- 29224444 TI - Superficial fungal infections. AB - Preview Didn't mother always tell you to wear shower shoes in the locker room? She was right. Athlete's foot is one of several fungal diseases that thrive in hot, humid environments. The human body itself can create warm, damp conditions where skin folds or rubs. The authors describe clinical presentations of fungal infections commonly seen by primary care physicians, treatment regimens to relieve patient discomfort, and tips for daily routine care to prevent recurrence. PMID- 29224445 TI - Nonmelanoma skin cancer. AB - Preview Heightened awareness and early diagnosis of skin cancer are vital for timely treatment. Primary care physicians who can recognize malignant and premalignant lesions of the skin have an important role in improving cure rates, limiting morbidity, and decreasing healthcare costs. The authors discuss management of basal cell and squamous cell carcinomas, emphasizing risk factors and patient education. PMID- 29224446 TI - Audio Facilitates the Perception of Cinematic Continuity by First-Time Viewers. AB - Previous studies concluded that first-time film viewers often had difficulty integrating shots into a coherent representation of the depicted events in the absence of a familiar action through the film cuts or a salient eye-gazing of a character in the film. In this study, we investigated whether diegetic sound (i.e., sound that seems to originate from the depicted cinematic space) could effectively bridge shots for first-time viewers. Across a range of films, both dialog, and salient environmental sound (e.g., barking dogs) helped first-time viewers connect shots. However, sound was not always successful in supporting first-time viewers' interpretations. While experienced viewers were able to understand less-familiar linking sounds and environments, first-time viewers found this difficult. Overall, a range of diegetic sounds helped first-time viewers understand spatiotemporal relations between shots, but these viewers still had difficulty integrating views of unfamiliar environments. PMID- 29224447 TI - Arthritis of recent onset. AB - Preview Physicians as well as patients tend to think of arthritis as a chronic, slowly progressive disorder. However, it can also first present as a new, acute symptom of infection, crystal disease, trauma, and many other joint and systemic diseases. Dr Schumacher summarizes how to narrow the possibilities with careful history taking and physical examination and what to do and not do until the diagnosis is established. PMID- 29224448 TI - Systemic lupus erythematosus. AB - Preview Although systemic lupus erythematosus affects primarily young and middle aged women, a percentage of cases occur in all age-groups and both sexes. That fact, coupled with the diversity of clinical presentations, can make diagnosis a challenge. This article discusses epidemiologic and pathogenetic factors and describes the many manifestations of the disease. A brief overview of current treatment is presented. PMID- 29224449 TI - Laboratory tests for rheumatic diseases. AB - Preview Laboratory testing to aid the diagnosis of rheumatic disease represents an area of considerable controversy in the United States. There is growing recognition that "overtesting" contributes to the rising costs of healthcare and that strategies need to be developed to optimize use of the increasing number of available tests. In this article, the authors discuss some of the commonly ordered tests for rheumatic diseases, focusing on their usefulness, sensitivity, and specificity. PMID- 29224450 TI - Physical examination of substance abusers. AB - Preview How can physicians make appropriate treatment decisions in substance abusers who have serious medical illness, especially when patients may not offer the information needed? Drs Westreich and Rosenthal summarize common physical findings that suggest abuse of specific substances. Recognizing these signs allows physicians to reliably diagnose chemical use, leads to improved outcomes, and lends weight to recommendations for substance-abuse therapy. PMID- 29224451 TI - Psoriatic arthritis. AB - Preview Psoriatic arthritis can precede the onset of psoriatic skin lesions and has myriad presentations. Familiarity with its guises allows early institution of therapy to control its destructive potential. The authors describe the clinical features of psoriatic arthritis in all their variety, indicate what laboratory abnormalities and radiographic findings can be expected, and provide an update on agents used in therapy. PMID- 29224452 TI - Migraine and women. AB - Preview Successful management of migraine in women requires an understanding of the effects changing sex hormone levels have on headache patterns. In this article, Dr Silberstein explains the modulating and triggering effects of the sex hormones during significant hormonal phases of the female life cycle, including menarche and menstruation, pregnancy, oral contraceptive use, and menopause. Pharmacologic management and prophylaxis of migraine are the focus of his discussion. PMID- 29224453 TI - Erectile dysfunction. AB - Preview More than half of men over 40 may have some form of sexual dysfunction, and erectile dysfunction is by far their most common presenting symptom. What are the risk factors that suggest an organic cause for erectile dysfunction? Which diagnostic tests are appropriate for which patients? Dr Guay answers these and other questions, providing a thorough guide to medical evaluation of the problem, and discusses specific and nonspecific therapies. PMID- 29224454 TI - Acute lower gastrointestinal bleeding. AB - Preview Where are bleeding angiodysplastic lesions and diverticula most commonly found? What are the uses of radionuclide bleeding scans and selective mesenteric angiography? When is surgical intervention warranted for patients with acute lower gastrointestinal bleeding? Drs Manten and Green provide practical answers to these and other questions in this overview of diagnostic and therapeutic options. PMID- 29224455 TI - Pulmonary tuberculosis. AB - Preview Rather than nearing eradication as health officials hoped, "consumption" is a growing concern. It does not merit the adjective "galloping" as in past centuries but does deserve the attention of practicing physicians. Dr Colice summarizes studies of the current spread of tuberculosis; findings suggest that person-to-person transmission is increasing, that resistance is low in native born Americans, and that infectivity may be changing because of resistant strains. PMID- 29224456 TI - How Real is TV's Er? PMID- 29224457 TI - Treatment of vincristine-induced ileus with metoclopramide: A case report. AB - Introduction Acute lymphoblastic leukemia is an invasive malignancy which ought to be treated with several cytotoxic medications. Vincristine-based regimen is among the most commonly used regimens for the treatment of adult acute lymphoblastic leukemia. Peripheral neuropathy caused by vincristine provides a limitation in dose administration and can influence the treatment outcome and patient's quality of life. Case presentation Ileus and constipation occurred as a result of autonomic neuropathy in a 58-year-old man who underwent vincristine based regimen for acute lymphoblastic leukemia treatment. Despite the administration of several laxative agents for constipation, the complication did not improve. So metoclopramide as a prokinetic agent was administered intravenously, and patient bowel movement and defecation started after 24 h. Conclusions There is no approved protocol for vincristine-induced autonomic neuropathy treatment; thus, prokinetic agents such as metoclopramide can be considered as an option for ileus treatment after ruling out the possibility of bowel obstruction. Prophylactic stool softeners should be administrated in all patients undergoing chemotherapy with vincristine to prevent gastrointestinal motility disorders. PMID- 29224458 TI - Corticosteroids for the management of immune-related adverse events in patients receiving checkpoint inhibitors. AB - Introduction Due to enhanced T-cell activity, immune checkpoint inhibitors cause immune-related adverse effects. Corticosteroids are the mainstay of immune related adverse effect management but the optimal strategy has not been determined, putting patients at risk for steroid-related adverse effects and potentially decreased efficacy of immunotherapy. This study aims to characterize the use of corticosteroids for the management of immune-related adverse effect. Methods and materials A retrospective, single-center evaluation of patients receiving checkpoint inhibitors was conducted. The primary objective was to evaluate corticosteroid use for immune-related adverse effects, including starting dose, taper strategy, total duration, and resumption of immunotherapy. Secondary objective was to describe the incidence and significance of hyperglycemia. Results One hundred and three patients met inclusion criteria and experienced 123 immune-related adverse effects. Prednisone was used most commonly (67%) at an average starting dose of 0.88 mg/kg (range 0.07-17.0). On average, steroid tapers began 9.2 days after initiation (range 0-89) and were continued for a total of 84.2 days (range 3-693). In 21.1% of cases, checkpoint inhibitor therapy was not delayed and 68.6% resumed checkpoint inhibitors, while the patient was taking steroids (30.4 mg prednisone on average, range 5-80). On average, checkpoint inhibitor therapy was resumed 18.6 days after detection of immune-related adverse effect (range 0-150). Clinically relevant hyperglycemia occurred in 8.9%. Conclusion Utilization of steroids for immune-related adverse effect at our institution is highly variable. The majority of patients received prolonged courses of steroids and resumed checkpoint inhibitor therapy with concomitant steroids above recommended doses. Additional monitoring for hyperglycemia and other steroid associated adverse effects should be considered. PMID- 29224459 TI - Dietary patterns of households in Scotland: Differences by level of deprivation and associations with dietary goals. AB - BACKGROUND: Foods tend to be consumed in combinations, and dietary pattern analysis and diet-quality scores are often more appropriate methods of assessing overall diet quality than is intakes of individual foods or nutrients. AIM: The aim of this study was to evaluate dietary patterns from the food and drink purchases of households in Scotland, and to identify any dietary patterns that were associated with closer adherence to the Revised Dietary Goals for Scotland (RDGS). METHODS: We carried out a cross-sectional study of estimated food and drink intakes using Kantar WorldPanel household purchase data in Scotland collected during 2012. The amounts of food and drink purchased were converted to estimated amounts available for consumption per person by adjusting for household waste, household size and composition ( n = 720). Dietary patterns were identified using principal components analysis. A Diet Quality Index (DQI), based on the RDGS, was calculated. RESULTS: The mean DQI score was low at 38 out of a possible maximum of 100, indicating that, on average, few of the dietary goals were being met. Six dietary patterns were identified, which explained 35% of the total variance in estimated food and drink intake. Three dietary patterns showed statistically significant associations with lower DQI scores (less healthy diets), and one with significantly higher DQI scores (healthier diets). CONCLUSIONS: Investigating dietary patterns to show which foods tend to be purchased together may assist in targeting dietary habits by focussing on key food groups, and in gaining the greatest improvement in diet quality from the most achievable change in diet. PMID- 29224460 TI - Implementation of Rocking Chair Therapy for Veterans in Residential Substance Use Disorder Treatment [Formula: see text]. AB - BACKGROUND: Substance use disorder (SUD) and mental health diagnosis negatively affect Veteran homelessness. OBJECTIVE: Assess the acceptance and feasibility of rocking chair therapy as a self-implemented intervention for mood and substance cravings. PICOT: For homeless Veterans in SUD treatment, how does adding vestibular stimulation by use of a rocking chair compared with treatment as usual affect levels of anxiety and substance cravings? RESULTS: Two significant findings were observed. First, a greater number of minutes spent rocking was associated with significantly greater scores on the Expectancy scale of the Alcohol Craving Questionnaire (ACQ; p = .05), suggesting participants experiencing higher urges and desires to drink rocked to self-soothe. Second, a significant association was observed between a greater number of minutes spent rocking and lower scores on the ACQ Purposefulness subscale ( p = .03), indicating greater time rocking was associated with fewer urges and desires that are connected with the intent and plan to drink. CONCLUSION: Vestibular stimulation by rocking in a rocking chair may increase the ability to self regulate mood and substance cravings, thereby potentially reducing risk of relapse and recurrent chronic homelessness. PMID- 29224462 TI - Home Healing. PMID- 29224461 TI - A Qualitative Inquiry Addressing the Experience of Depression in Impoverished Ethnically Diverse Women: Implications for Developing a Community-Based Model. AB - BACKGROUND: Literature suggests that a disparity exists relative to the higher prevalence of depression among the population of impoverished ethnically diverse women, the services available, and care received resulting in a significant health issue for women. OBJECTIVES: An exploratory-descriptive qualitative study explored the experiences of depression among the population and key stakeholders to inform the development of a community-based program to reduce depression and improve the quality of life of ethnically diverse women residing in an urban community. DESIGN: Data were collected using focus groups and individual interviews with members of the population and key community representatives, transcribed verbatim, reviewed for accuracy, coded, and analyzed for themes. RESULTS: Compassion, ease, and hope emerged as the three overarching foundational themes. CONCLUSION: An intentional infrastructure and strategies to create an experience of compassion, ease, and hope appear to be essential core components of a successful community mental health program model for impoverished women experiencing depression. PMID- 29224463 TI - Prostatitis. AB - Preview Prostatitis is four diseases rather than one, and successful management depends on accurately classifying the condition according to systemic signs and symptoms and the results obtained by examination of expressed prostatic secretions and urine cultures. In this article, Dr Moul summarizes the characteristics of each type of prostatitis, with a special focus on diagnosis and treatment by the primary care physician. PMID- 29224464 TI - Myasthenia gravis. AB - Preview What are some simple diagnostic tests for myasthenia gravis? When is a patient considered too young or too old for thymectomy? How can a cholinergic crisis brought on by drug therapy be differentiated from an exacerbation of myasthenia gravis? Should prednisone be given in a high or a low dose? Dr Juhn addresses these and other questions. PMID- 29224465 TI - Osteomyelitis. AB - Preview Infection of bone remains difficult to treat, despite recent advances in antimicrobial therapy and refinements in surgical technique. To add to the challenge, studies have been inconclusive in establishing the best method of obtaining a culture specimen, comparing the effectiveness of one drug regimen versus another, and determining the proper duration of antibiotic therapy. Dr Bamberger summarizes his experience with hematogenous osteomyelitis and osteomyelitis secondary to a contiguous focus of infection. PMID- 29224466 TI - Advanced congestive heart failure. AB - Preview When do patients with congestive heart failure (CHF) need to be hospitalized? What levels of therapy should be provided in the hospital? Which patients should be referred for transplantation? These types of questions, discussed by Dr Stevenson, are the ones that need to be addressed when CHF reaches its advanced stages. PMID- 29224468 TI - Chemotherapy-induced nausea and vomiting. AB - Preview Modem chemotherapy provides meaningful palliation for cancer and even cures some forms. Unfortunately, it causes numerous adverse reactions. Nausea and vomiting are the most feared and debilitating for many patients; in fact, some patients refuse potentially beneficial chemotherapy to avoid these side effects. The authors discuss antiemetic drugs that are often effective in alleviating discomfort, especially when used in combination. PMID- 29224467 TI - Pneumonia in the elderly. AB - Preview The risks of pneumonia are greater in older patients even if they are relatively healthy. Which patients require hospitalization? Is the search for a pathogen worth the cost and effort involved? Which agents should be used for empirical broad- spectrum therapy? Dr McCue addresses these and other questions. PMID- 29224469 TI - 'The dwindles'. AB - Preview Elderly patients who for no immediately obvious reason lose weight, decline in physical and psychological function, and withdraw socially are said to have failure to thrive. Dr Egbert analyzes the factors that can contribute to this condition and offers advice on how to arrest the downward spiral in which these patients are caught. PMID- 29224470 TI - Poor sleep is related to lower general health, increased stress and increased confusion in elite Gaelic athletes. AB - OBJECTIVES: Persistent poor sleep is associated with a range of adverse health outcomes. Sleep is considered the main method of recovery in athletes; however, studies report that a significant number of athletes are getting insufficient sleep. The purpose of this study was to assess the sleep profiles of elite Gaelic athletes and to compare wellbeing in those with poor sleep and those with good sleep. METHODS: 69 elite Gaelic athletes completed questionnaires, including the Pittsburgh Sleep Quality Index (PSQI), Subjective Health Complaints Inventory (SHC), Nordic Musculoskeletal Questionnaire (NMQ), stress subscale of the Depression Anxiety Stress Scale (DASS), the tension-anxiety, anger-hostility and confusion-bewilderment subscales of the Profile of Mood States (POMS) as well as the catastrophising subscale of the Coping Strategies Questionnaire (CSQ). Participants were categorised into poor sleepers (PSQI >=5) and good sleepers (PSQI <5) and outcome measures of health and wellbeing were analysed between the two groups. RESULTS: 47.8% of athletes were poor sleepers. Self-reported sleep duration was 7.5 +/- 0.6 h per night. 63.7% of poor sleepers took >30 min to fall asleep, compared to 5.6% of good sleepers. Poor sleepers had significantly lower general health (SHC) (p = 0.029), increased stress (DASS) (p = 0.035) and increased confusion (POMS-subscale) (p = 0.005). There was no significant difference between groups for number of painful body parts (NMQ) (p = 0.052), catastrophising (CSQ) (p = 0.287), overall mood (POMS) (p = 0.059), or POMS subscales of anger (p = 0.346) or tension (p = 0.593). CONCLUSION: Nearly 50% of elite Gaelic athletes report poor sleep. There is a significant relationship between poor sleep and lower general health, increased stress and increased confusion, and these factors may interact with each other. Monitoring of and interventions to enhance sleep may be required to improve athletes' wellbeing. PMID- 29224471 TI - Clinical relevance of liver histopathology and different histological classifications of NASH in adults. AB - INTRODUCTION: Nonalcoholic fatty liver disease (NAFLD) encompasses simple steatosis and steatohepatitis (NASH) with or without fibrosis/cirrhosis and hepatocellular carcinoma. NAFLD occurs epidemically in most areas of the world, contributes to cardiovascular events and liver-related mortality and therefore exacts a major economic toll. Areas covered: Here we summarize what clinicians should know about NAFLD histopathology in adults. We report on the individual histological features and scoring systems of NAFLD: the NAFLD activity score (NAS) introduced by the NASH-Clinical Research Network, the 'Fatty Liver Inhibition of Progression' algorithm and Steatosis, Activity, and Fibrosis (SAF) score. Pros and cons of histological classifications in NASH are discussed. Special emphasis is given to liver histopathology in some high-risk patient groups, such as those with severe obesity and type 2 diabetes. Moreover, we also examine the relationship between liver histopathology and clinical features, and the impact of liver histopathology on the long-term prognosis of NAFLD. Finally, we propose an integrated diagnostic approach which utilizes both non-invasive tools and liver biopsy in those individual patients with suspected NAFLD. Expert commentary: Based on expert opinions, we conclude with a research agenda on NAFLD which focuses on the most burning topics to be addressed over the next five years. PMID- 29224473 TI - Smell impairment. AB - Preview People born without a sense of smell may not miss it, but those who have enjoyed and lost the sense certainly do. For some reason, however, the problem is often dismissed or not even sought during evaluation. The authors compile from their experience at a nasal dysfunction clinic information pertinent to primary care physicians and suggestions for management. They describe reversible and nonreversible causes of olfactory impairment and provide simplified algorithms to use in patient evaluation. PMID- 29224472 TI - Preoperative assessment of computerized tomography angiography to predict success for crossing long Trans-Atlantic Inter-Society Consensus D lesions using the optical coherence tomography catheter. AB - Objectives Optical coherence tomography chronic total occlusion catheter, the Ocelot (Avinger Inc., Redwood City, CA), has been utilized to cross Trans Atlantic Inter-Society Consensus D lesions. This study evaluated the preoperative computerized tomography angiography of chronic total occlusions in the superficial femoral artery to predict clinical success. Methods We reviewed all patients who underwent lower extremity procedures with the Ocelot catheter from June 2014 to August 2016. Patients who had a preoperative computerized tomography angiography were evaluated. Final outcomes, plaque morphology, lesion length, calcium surface area, lesion location, and patient characteristics were analyzed. Results A total of 107 patients underwent lower extremity interventions with the Ocelot catheter. Seventy patients had a preoperative computerized tomography angiography scan prior to lower extremity intervention and 77% (54) had Trans Atlantic Inter-Society Consensus D lesions that were crossed. Mean age was 62.8 years and 68.6% were male. Mean chronic total occlusion length was 182.7 mm (170.8 mm crossed vs. 222.6 mm uncrossed, p = 0.03). Calcium distribution differed significantly ( p<.01): circumferential (14.8 vs. 12.5%); eccentric (85 vs. 62.5%); and complete calcium occlusion (0 vs. 25%) for lesions that were crossed and uncrossed, respectively. Significant differences ( p<.0001) were found when calcium occlusion was less than 50% (87 vs. 31%), 51-75% (9.3 vs. 31.2%), and 76-100% (3.7 vs. 37.5%). Total calcium length in crossed lesion was 51.6 mm, and 92.8 mm in uncrossed lesions ( p = 0.10). No significant differences were noted for patient gender, occlusion location (proximal, middle, and distal superficial femoral artery), and kidney function. Conclusion The Ocelot catheter is an effective method to cross long Trans-Atlantic Inter-Society Consensus D lesions. Superficial femoral artery lesions longer than 17 cm and focal plaque morphology, specifically a total cross-sectional area of calcium and a calcium surface area greater than 50% were most predictive of failure to cross Trans Atlantic Inter-Society Consensus D superficial femoral artery lesions. Computerized tomography angiography is an effective tool to predict success for crossing chronic total occlusions using optical coherence tomography technology and a critical consideration for patient selection. PMID- 29224474 TI - Aortic valvular disease in adults. AB - Preview How common is sudden death in patients with aortic valvular disease? Is medical therapy ever helpful? When is valve replacement indicated, and what type of prosthesis should be used? In this article, Drs Mangion and Tighe review current recommendations on these problems and discuss overall management of both aortic stenosis and aortic regurgitation. PMID- 29224475 TI - Nonimmunologic adverse drug reactions. AB - Preview How can morbidity and mortality from adverse drug reactions be reduced and associated costs be minimized? What predictable reactions are commonly encountered in primary care? What should you watch for in terms of unpredictable reactions in susceptible patients? Dr Bernstein answers these and other questions and outlines a system for classifying adverse drug reactions. PMID- 29224476 TI - Complications of blood transfusion. AB - Preview Severe, life-threatening reactions to blood transfusion are rare but may be clinically similar to minor reactions, which are fairly common. The authors describe the manifestations of various noninfectious reactions and the laboratory workup necessary to discriminate among them. They also discuss the mechanisms of these transfusion reactions and tell how to treat and prevent them. PMID- 29224477 TI - The Mission Continues. PMID- 29224478 TI - Heatstroke and other heat-related illnesses. AB - Preview Victims of high heat and humidity may be young and healthy or old and debilitated. In either case, severe heatstroke may present a life-threatening situation if treatment is delayed. In this article, the authors examine the various therapeutic options, including physical cooling methods and supportive measures. They also describe therapy for the less serious summer ailments of heat edema, heat cramps, and heat syncope. PMID- 29224480 TI - Making The Grade. PMID- 29224479 TI - Prevention of atherosclerosis. AB - Preview How strong is evidence that antioxidants such as vitamins C and E and beta carotene prevent atherosclerosis? What effect do smoking, hypertension, and diabetes have on LDL cholesterol? Should we all be eating a "Mediterranean" diet? The authors examine the answers to these questions and make recommendations on the basis of current knowledge. PMID- 29224481 TI - Viral hepatitis. AB - Preview The incidence of viral hepatitis in the United States has remained fairly constant for several decades, despite the availability of vaccines and prophylactic measures and improved sanitation nationwide. However, epidemiologic findings, including risk factors for acquisition, are changing, probably because of changes in human ecology and behavior. Dr Becherer discusses this evolution in viral hepatitis and its effect on serologic screening. PMID- 29224482 TI - Common blood tests for liver disease. AB - Preview Detection of clinicaHy silent liver disease and determination of the causes of acute and chronic liver disease often require a panoply of blood tests and, occasionally, liver biopsy. Knowing when to order tests and which tests to order not only facilitates diagnosis but also leads to earlier intervention with appropriate therapy. This article reviews the most common blood tests for detecting liver disease, including viral hepatitis. PMID- 29224483 TI - Chronic hepatitis B. AB - Preview Many persons with chronic hepatitis B have no signs of the illness, and it is important to identify those who are at risk for progressive liver disease, cirrhosis, and hepatocellular carcinoma. Counseling by primary care physicians is recommended to help patients prevent transmission of the disease and to advise them of its long-term consequences. The author expresses hope that vaccination programs now in effect will bring this potentially lethal disease under control. PMID- 29224484 TI - Hepatitis C. AB - Preview Infection with the hepatitis C virus (HCV) is fairly common and often serious: Significant liver disease develops in up to 50% of cases. What are the risk factors for HCV infection, and how likely is it to become chronic? How effective is interferon therapy, and what factors influence response? What new treatment strategies are being evaluated? Drs Olynyk and Bacon answer these and other questions as they bring readers up to date on the recent explosion of knowledge about hepatitis C. PMID- 29224485 TI - Assessment of dietary factors, dietary practices and exercise on mental distress in young adults versus matured adults: A cross-sectional study. AB - : The importance of the diet in modulating mental health is uncovering as many dietary factors have been described to alter brain chemistry. Brain maturation may not complete until the age of 30 which may explain the differential emotional control, mindset, and resilience between young adults and matured adults. As a result, dietary factors may influence mental health differently in these two populations. OBJECTIVES: To study dietary intake, dietary practices and exercise in young adults (YA) (18-29 years) versus matured adults (MA) (30 years and older) in relation to mental distress. Another aim was to assess whether mental well-being potentially stimulates healthy eating, healthy practices, and exercising. METHODS: An anonymous internet-based survey was sent through social media platforms to different professional and social group networks. Best-fit models were constructed using the backward regression analysis to assess the relationship between dietary variables, exercise, and mental distress in YA versus MA. RESULTS: YA mood seems to be dependent on food that increases availability of neurotransmitter precursors and concentrations in the brain (such as frequent meat consumption and exercise, respectively). However, MA mood may be more reliant on food that increases availability of antioxidants (fruits) and abstinence of food that inappropriately activates the sympathetic nervous system (coffee, high glycemic index, and skipping breakfast). DISCUSSION AND CONCLUSION: Level of brain maturation and age-related changes in brain morphology and functions may necessitate dietary adjustments for improving mental well-being. PMID- 29224486 TI - Vaccination update. AB - Preview Although the incidence of many vaccine-preventable diseases has fallen dramatically, routine vaccination should be a goal of all primary care physicians. Childhood immunization programs alone will not eliminate these diseases, which are still responsible for substantial illness and death in infants, young adults, and the elderly. In this article, Drs Vetter and Johnson discuss recent developments in immunization against six common infectious diseases. PMID- 29224487 TI - Stress ulcer prophylaxis. AB - Preview Which critically ill patients are at increased risk for gastrointestinal hemorrhage from stress ulcers? Do prophylactic agents effectively reduce the morbidity and mortality associated with stress-related hemorrhage? The author, former director of a medical intensive care unit, reviews recent literature on stress ulcer prophylaxis and outlines the risks and benefits of providing preventive therapy. PMID- 29224488 TI - Chronic testicular pain. AB - Preview The complex pathways of testicular pain and referred pain are becoming better understood. Still, the precise physical source can be elusive, and advances in medical knowledge mean nothing to the patient if his pain cannot be relieved. Most patients can be examined and treated in the primary care office with readily available techniques. The authors summarize important aspects of evaluation and provide a practical treatment algorithm. PMID- 29224489 TI - Lower extremity injuries in runners. AB - Preview Recreational and competitive runners alike are vulnerable to lower extremity injuries, depending on such factors as how much ground they cover weekly. Knowing how to recognize and treat common running injuries is important to prevent further injury and severe long-term complications. Dr Wexler discusses the primary causes and mechanisms involved in such injuries and the appropriate methods for achieving optimal rehabilitation. PMID- 29224490 TI - Looking for Silver Linings. PMID- 29224491 TI - Preoperative cardiac evaluation. AB - Preview Medical clearance for patients who need surgery is commonly requested of primary care physicians. A focused evaluation of the cardiovascular and other major body systems is the key to assessing preoperative risk. Which diagnostic tools and laboratory tests are most helpful? And which findings are most significant? The authors answer these questions and suggest ways primary care doctors can help minimize complications in the perioperative period. PMID- 29224492 TI - Breathlessness. AB - Preview Dyspnea can be a terrifying sensation that requires prompt medical intervention. Like pain, dyspnea is not well understood and may have many causes. It is usually due to underlying cardiac or pulmonary diseases, but these are often difficult to distinguish, and they may coexist in the same patient. In this article, Drs Seamens and Wrenn give a comprehensive review of the condition and recommend diagnostic and treatment strategies. PMID- 29224493 TI - Screening and diagnostic breast imaging procedures. AB - Preview Although primary care physicians may not actually read patients' mammography films, they play a crucial role in detection and management of breast disease by abiding by screening guidelines. Patient education, reassurance, and guidance in decision making are all important aspects, as pointed out in this article. The authors describe and provide illustrations of findings on breast imaging studies and discuss options for follow-up. PMID- 29224494 TI - Hearing loss. AB - Preview When faced with a patient complaining of hearing loss, how do you quickly determine whether the situation is urgent and requires otolaryngologic referral? Dr Ruckenstein discusses ways to distinguish between types of hearing loss, such as use of simple tuning fork tests, and arrive at an appropriate individualized treatment plan. PMID- 29224495 TI - Breast cancer and primary care. PMID- 29224496 TI - Adjuvant systemic therapy for breast cancer. AB - Preview A variety of prognostic factors that offer guidelines for adjuvant systemic therapy must be confronted by breast cancer patients and their physicians. However, many questions regarding the most effective approach remain unanswered. In this article, the authors examine this complex field and review recommendations for posttreatment follow-up. PMID- 29224497 TI - Local and regional therapy for primary breast tumors. AB - Preview Few subjects in modern medicine stir the emotions and invite such scrutiny as breast cancer does. Important questions must be answered in its primary treatment: Can the breast be preserved, or is a complete mastectomy necessary? Should axillary node dissection be done? Will radiation therapy be useful? Should reconstruction be part of initial treatment? In this article, the authors first discuss issues that most directly affect the primary care physician and then review management from the perspective of the surgical oncologist. PMID- 29224498 TI - Hypercholesterolemia. AB - Preview Many patients think they have to exclude meat (beef, pork, lamb, veal, and processed meats) from their diet to lower their lipid levels. This restriction is unnecessary and deprives them of the valuable nutrients found in meat. Instead, they should concentrate on selecting lean cuts, controlling portions, and reducing consumption of high-fat foods. The authors examine the typical American diet and offer practical guidelines for making choices that include meat and reduce cholesterol levels. PMID- 29224499 TI - Psychosocial issues in breast cancer. AB - Preview No matter what the woman's age, removal of a breast or even a lump has a profound emotional impact. In addition to facing cancer, the patient must adjust to changes in her self-image. At the same time, she is often being asked to make stressful decisions about her treatment program from a long and growing continuum of options. The authors describe natural reactions in these patients, factors that add to their anxiety, and the important role of primary care physicians in support and referral. PMID- 29224500 TI - Transition phase clothing strategies and their effect on body temperature and 100 m swimming performance. AB - OBJECTIVE: Effective warm-ups are attributed to several temperature-related mechanisms. Strategies during the transition phase, preceding swimming competition, have been shown to prolong temperature-related warm-up effects. The purpose of this study was to evaluate the effects of two different clothing strategies during the transition phase, on subsequent 100-m maximal swimming performance. METHODS: Nine competitive swimmers (3 female, 21 +/- 3 yrs; 6 male 20 +/- 2 yrs, mean performance standard 702 FINA Points, mean 100-m seasons best time 61.54 s) completed their own 30-min individual pool warm-up, followed by 7 min changing time and a 30-min transition phase, straight into a 100-m maximal effort time-trial. During the transition phase, swimmers remained seated, either wearing warm or limited clothing. Swimmers returned 1 week later, where clothing conditions were alternated. RESULTS: Post-transition phase skin and core temperature remained higher in the warm clothing condition compared to the limited clothing condition (Mean Core: 36.90 +/- 0.17 degrees C, 36.61 +/- 0.15 degrees C, P < .01; Mean Skin: 33.49 +/- 0.59 degrees C, 31.94 +/- 0.59 degrees C, P < .01). One hundred-metre finish times were 0.6% faster in the warm clothing condition compared to the limited clothing condition (62.63 +/- 7.69 s, 63.00 +/- 7.75 s, P < .01). CONCLUSION: Wearing warm clothing during a 30-min transition phase improved swimming performance by 0.6%, compared to limited clothing. PMID- 29224501 TI - Experimental validation of a subject-specific maximum endurance time model. AB - This study aimed at experimentally validating a subject-specific maximum endurance time (MET) model. Thirty health participants (15 males and 15 females; Age: mean = 21.5 years, SD = 1.6 years) volunteered to conduct an isometric elbow flexion task until exhaustion. The endurance times of each participant were measured under relative exertion levels ranging from 30% MVC (Maximum Voluntary Contraction) to 70% MVC at 10% intervals. Assessment of the model showed that the intensity-endurance time relationship for each studied individual could be well fitted by the subject-specific MET model (R2 > 0.89). The fatigue rates identified from the model fitting were normally distributed (Mean = 0.96 min-1, SD = 0.29 min-1). In addition, the fatigue rates of the male group were significantly higher than the female group. The subject-specific MET model can be used to predict the MET for individual workers, and further support physical task design, based on the fatigability data of a targeted worker population. Practitioner Summary: Ergonomists have extensively used MET models in physical fatigue assessment and physical task design. A subject-specific MET model could be used to predict the MET at individual levels, and also to support work design for a target worker population, based on the fatigability data distribution obtained from sampled workers. PMID- 29224503 TI - Cochrane's risk of bias tool in the context of psychotherapy outcome research. AB - The Cochrane risk of bias tool (RoB) is a widely used measure for methodological quality of randomized controlled trials. This paper discusses RoB's rationale and risk of bias domains, reports on its application in current psychotherapy meta analyses, and offers comments regarding the application of RoB in the context of psychotherapy outcome research. Our suggestions include focusing on patient's and therapist's expectations when judging the domain "blinding of personnel and participants" and paying greater attention to the domain "selective outcome reporting" and to matters of "treatment implementation." PMID- 29224504 TI - Mechanisms of carnosine-induced activation of neuronal cells. AB - Carnosine (beta-Ala-l-His), an imidazole dipeptide, is known to have many functions. Recently, we demonstrated in a double-blind randomized controlled trial that carnosine is capable of preserving cognitive function in elderly people. In the current study, we assessed the ability of carnosine to activate the brain, and we tried to clarify the molecular mechanisms behind this activation. Our results demonstrate that carnosine permeates the blood brain barrier and activates glial cells within the brain, causing them to secrete neurotrophins, including BDNF and NGF. These results point to a novel mechanism of carnosine-induced neuronal activation. Our results suggest that carnosine should be recognized as a functional food factor that helps achieve anti-brain aging. PMID- 29224505 TI - Progress in the Treatment of Hodgkin's Lymphoma. PMID- 29224506 TI - AAV5-Factor VIII Gene Transfer in Severe Hemophilia A. AB - BACKGROUND: Patients with hemophilia A rely on exogenous factor VIII to prevent bleeding in joints, soft tissue, and the central nervous system. Although successful gene transfer has been reported in patients with hemophilia B, the large size of the factor VIII coding region has precluded improved outcomes with gene therapy in patients with hemophilia A. METHODS: We infused a single intravenous dose of a codon-optimized adeno-associated virus serotype 5 (AAV5) vector encoding a B-domain-deleted human factor VIII (AAV5-hFVIII-SQ) in nine men with severe hemophilia A. Participants were enrolled sequentially into one of three dose cohorts (low dose [one participant], intermediate dose [one participant], and high dose [seven participants]) and were followed through 52 weeks. RESULTS: Factor VIII activity levels remained at 3 IU or less per deciliter in the recipients of the low or intermediate dose. In the high-dose cohort, the factor VIII activity level was more than 5 IU per deciliter between weeks 2 and 9 after gene transfer in all seven participants, and the level in six participants increased to a normal value (>50 IU per deciliter) that was maintained at 1 year after receipt of the dose. In the high-dose cohort, the median annualized bleeding rate among participants who had previously received prophylactic therapy decreased from 16 events before the study to 1 event after gene transfer, and factor VIII use for participant-reported bleeding ceased in all the participants in this cohort by week 22. The primary adverse event was an elevation in the serum alanine aminotransferase level to 1.5 times the upper limit of the normal range or less. Progression of preexisting chronic arthropathy in one participant was the only serious adverse event. No neutralizing antibodies to factor VIII were detected. CONCLUSIONS: The infusion of AAV5-hFVIII-SQ was associated with the sustained normalization of factor VIII activity level over a period of 1 year in six of seven participants who received a high dose, with stabilization of hemostasis and a profound reduction in factor VIII use in all seven participants. In this small study, no safety events were noted, but no safety conclusions can be drawn. (Funded by BioMarin Pharmaceutical; ClinicalTrials.gov number, NCT02576795 ; EudraCT number, 2014-003880-38 .). PMID- 29224507 TI - Three Anastomotic Techniques Following Laparoscopic Rectal Cancer Resection: Our Experience in 155 Patients. AB - PURPOSE: This study aimed to assess the impact of 3 anastomotic techniques after laparoscopic rectal cancer resection. METHODS: In a cross-sectional study, the data of 155 patients who underwent surgery for rectal cancer were retrieved. An anastomosis was created between the left colon and anal canal with 3 different methods: coloanal anastomosis with protective ileostomy (group A), coloanal anastomosis without ostomy (group B), and delayed coloanal anastomosis (group C). The rates of anastomotic problems (leakage, peritonitis, and collection) were calculated for each treatment method. Multivariate analysis was used to verify the effect of anastomosis techniques. RESULTS: In 5 (3.2%) patients, peritonitis was observed in which 3 (9.7%) of them belonged to group B and 2 (4.1%) belonged to group C. In 9 (5.8%) patients, presacral collection and anastomotic leakage were observed; 4 (8.2%) patients belonged to group C, 4 (12.9%) patients to group B, and 1 (1.3%) patient to group A. Postoperative obstructions occurred in 5 (10.2%) patients of group C, 2 (6.5%) patients of group B, and 2 (2.7%) patients of group A. Rectovaginal fistula was detected in 2 patients from group B. CONCLUSIONS: Laparoscopic surgery of rectal cancer with transanal method is reliable and acceptable in terms of oncologic and surgical results. This study showed the best results in patients who had protective ostomy. PMID- 29224508 TI - Linear and cyclic oligomers in polybutylene terephthalate for food contact materials. AB - Polybutylene terephthalate (PBT) is a polyester (PES) gaining more importance on the food contact material (FCM) market. However, little is known about the potential migration of PBT oligomers which are formed during polymer production. In this work, PBT pellets and a slotted spoon manufactured from this material by injection moulding were analysed on extractable oligomers and their migration potential into hydrophilic foods. Overall 27 oligomers (cycles and linears) could be identified in different extracts by HPLC-DAD/ESI-MS data, but without confirmation by reference substances. The oligomers were quantified by HPLC-DAD using bis(2-hydroxyethyl) terephthalate (BHET) as external standard and the total amount of oligomers isolated by reprecipitation from the pellets and the spoon were 0.69 and 0.71%, respectively. While cyclic oligomers made up for approximately 90% of the extractable oligomers, linear oligomers proved to be more relevant for migration into aqueous foodstuffs. Furthermore, it was shown that hydrolysis of oligomers can take place in water at elevated temperatures. Consequently, the qualitative and quantitative composition of PBT oligomers in aqueous foods from FCMs does not only depend on migration but also on hydrolysis. Migration testing of the PBT spoon under repeat use conditions with water at 100 degrees C for 2 h resulted in 0.29 mg item-1 of linear oligomers and 0.05 mg item 1 of the cyclic PBT dimer in the third migrate. PMID- 29224509 TI - Algorithms used to identify ventricular arrhythmias and sudden cardiac death in retrospective studies: a systematic literature review. AB - Drug-induced QT interval prolongation may increase the risk of sudden cardiac death or ventricular arrhythmias (SCD/VA), and therefore affects the safety profile of medications. Administrative databases can be used to inform pharmacoepidemiologic drug safety studies for such rare events. In order to compare event rates between studies, validated operational definitions of these events are needed. We conducted a systematic literature review in PubMed to identify algorithms for SCD/VA. Twenty-two studies were included in the review. Fifteen (68%) studies evaluated International Classification of Diseases, 9th revision (ICD-9) based medical data, of which six utilized a common, validated operational definition. This algorithm was based on principal hospitalization discharge diagnosis or first-listed emergency department visit diagnosis, with an average positive predictive value (PPV) of 85%. Four studies evaluated ICD-9 based death data, of which three utilized a common algorithm with an average PPV of 88%. Further validation of ICD, 10th revision algorithms are needed. In conclusion, we identified a validated algorithm for SCD/VA in medical data, as well as in death data. As such, to ensure comparability between new research and the existing literature, pharmacoepidemiologic research in this area should utilize common, validated algorithms, such as the ones identified in our review, to operationally define these events. PMID- 29224510 TI - Researcher Self-Care in Emotionally Demanding Research: A Proposed Conceptual Framework. AB - Researchers are emotionally and psychologically affected by emotionally demanding research that demands a tremendous amount of mental, emotional, or physical energy and potentially affects or depletes the researcher's well-being. Little attention has been given to preparing doctoral students and novice researchers engaged in such studies. Four possible types of emotionally demanding research experiences are presented: sensitive issues, personal trauma previously experienced, experience of traumatic life events during research, and unexpected events that arise during research in what was previously not identified as a sensitive issue. The need for self-care is highly relevant to each type, despite their different impacts on researcher well-being. This conceptual article furthers conversation in the field about how researchers and educators can address the need for self-care to prepare novice researchers and proposes a conceptual framework for researcher self-care in emotionally demanding research, with an aim for future empirical study. PMID- 29224511 TI - Measuring and improving student engagement in clinical training. AB - PURPOSE: Volunteer service learning activities, including Student Run Clinics (SRCs), are becoming an increasingly popular extracurricular component of medical education. While there are reports that student clinicians generally enjoy their educational experiences at SRCs, it is not understood how to optimize and measure student engagement in them. To identify key drivers of student engagement a tool was created to measure volunteer experience at the Crimson Care Collaborative (CCC), a primary care SRC. METHODS: CCC volunteers were asked to complete an online engagement survey. Cross-sectional survey data were collected for 149 CCC volunteers (53% response rate). RESULTS: Multivariate linear regression showed that overall 'likelihood to recommend CCC to a friend' was significantly associated with students' perception of the clarity of their role within the clinic, frequency of interprofessional interactions, and overall quality of medical education. Students who volunteer more frequently and for longer periods of time had higher engagement scores. CONCLUSIONS: Measuring engagement is feasible in volunteer settings. Engagement appears to be dependent on both structural and experiential components. Easily modifiable components of job design (role definition, expected frequency of volunteering), are key drivers of volunteer engagement. PMID- 29224502 TI - Brentuximab Vedotin with Chemotherapy for Stage III or IV Hodgkin's Lymphoma. AB - BACKGROUND: Brentuximab vedotin is an anti-CD30 antibody-drug conjugate that has been approved for relapsed and refractory Hodgkin's lymphoma. METHODS: We conducted an open-label, multicenter, randomized phase 3 trial involving patients with previously untreated stage III or IV classic Hodgkin's lymphoma, in which 664 were assigned to receive brentuximab vedotin, doxorubicin, vinblastine, and dacarbazine (A+AVD) and 670 were assigned to receive doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD). The primary end point was modified progression-free survival (the time to progression, death, or noncomplete response and use of subsequent anticancer therapy) as adjudicated by an independent review committee. The key secondary end point was overall survival. RESULTS: At a median follow-up of 24.6 months, 2-year modified progression-free survival rates in the A+AVD and ABVD groups were 82.1% (95% confidence interval [CI], 78.8 to 85.0) and 77.2% (95% CI, 73.7 to 80.4), respectively, a difference of 4.9 percentage points (hazard ratio for an event of progression, death, or modified progression, 0.77; 95% CI, 0.60 to 0.98; P=0.04). There were 28 deaths with A+AVD and 39 with ABVD (hazard ratio for interim overall survival, 0.73 [95% CI, 0.45 to 1.18]; P=0.20) [corrected]. All secondary efficacy end points trended in favor of A+AVD. Neutropenia occurred in 58% of the patients receiving A+AVD and in 45% of those receiving ABVD; in the A+AVD group, the rate of febrile neutropenia was lower among the 83 patients who received primary prophylaxis with granulocyte colony-stimulating factor than among those who did not (11% vs. 21%). Peripheral neuropathy occurred in 67% of patients in the A+AVD group and in 43% of patients in the ABVD group; 67% of patients in the A+AVD group who had peripheral neuropathy had resolution or improvement at the last follow-up visit. Pulmonary toxicity of grade 3 or higher was reported in less than 1% of patients receiving A+AVD and in 3% of those receiving ABVD. Among the deaths that occurred during treatment, 7 of 9 in the A+AVD group were associated with neutropenia and 11 of 13 in the ABVD group were associated with pulmonary-related toxicity. CONCLUSIONS: A+AVD had superior efficacy to ABVD in the treatment of patients with advanced-stage Hodgkin's lymphoma, with a 4.9 percentage-point lower combined risk of progression, death, or noncomplete response and use of subsequent anticancer therapy at 2 years. (Funded by Millennium Pharmaceuticals and Seattle Genetics; ECHELON-1 ClinicalTrials.gov number, NCT01712490 ; EudraCT number, 2011-005450-60 .). PMID- 29224512 TI - Analytical validation of cardiac troponin I assays in horses. AB - Human cardiac troponin I (cTnI) assays have been used in equine medicine, often without prior analytical validation for equine use. In the absence of appropriate validation, the clinical significance of assay results is uncertain and can lead to misdiagnosis. We followed the American Society for Veterinary Clinical Pathology guidelines and investigated linearity, precision, limit of quantification (LoQ), and comparative recovery for 6 commercial cTnI assays developed for use in human medicine. Clinically acceptable linearity was observed in assays A-D, whereas assay E did not detect equine cTnI in any sample. Comparative recovery revealed 1-3-fold differences between assay results, and low analyte recoveries (2.2-3.4%) were observed in assay F. Precision was investigated in assays A and B, and found to be within acceptable limits. The LoQ was 1.53 ng/L for assay A, and 0.031 ug/L for assay B. Assays A and B performed within clinically acceptable limits and were deemed suitable for use in equine medicine. Assays C and D did not undergo full validation but had acceptable linearity, which demonstrates their potential for use in equine medicine. Assays E and F are unsuitable for use in horses given issues with detection of equine cTnI. The variability in results between assays indicates that reference intervals and cutoffs for diagnostic decision-making are assay specific and should be established prior to adoption by diagnostic laboratories. PMID- 29224513 TI - Infectious necrotic hepatitis caused by Clostridium novyi type B in a horse: case report and review of the literature. AB - A 14-y-old bay Quarter Horse gelding was presented with progressive neurologic signs, elevated rectal temperature, and icterus for 3 d prior to death. Postmortem examination revealed icterus, large amounts of serosanguineous fluid in the abdominal cavity, widespread petechiae and ecchymoses in several organs, and a large, pale, and well-demarcated focus of necrosis in the liver. Histologically, there was coagulative necrosis surrounded by a rim of inflammatory cells and large numbers of gram-positive rods, which were identified as Clostridium novyi by immunohistochemistry. Liver samples tested by PCR were positive for C. novyi type B flagellin and alpha toxin genes, but negative for Clostridium haemolyticum and other clostridia. Based on postmortem findings and ancillary tests, a definitive diagnosis of infectious necrotic hepatitis (INH) was made. Mostly a disease of ruminants, also known as black disease, INH has rarely been reported in horses, and a definitive etiologic diagnosis has not been achieved previously; the etiology of all cases reported to date was identified as C. novyi but the type was not determined. Animals are predisposed to clostridial hepatitis when hepatic anaerobiosis is established. Such conditions allow germination and proliferation of bacterial spores, resulting in production and release of toxins. INH, caused by C. novyi type B, and bacillary hemoglobinuria, caused by C. haemolyticum, are mechanistically and pathologically almost indistinguishable. Because these 2 microorganisms are closely related, differentiation requires molecular tools. PMID- 29224514 TI - The similar to RCD-one 1 protein SRO1 interacts with GPX3 and functions in plant tolerance of mercury stress. AB - Heavy metals in the environment are one of the major limiting factors affecting plant growth and development. However, the mechanisms of the heavy metal-induced physiological processes remain to be fully dissected. Here, we explored that SRO1 can physically interact with Glutathione Peroxidase 3 (GPX3) in Arabidopsis. Under Hg treatment, similar to the sro1, the growth of the gpx3/sro1 was repressed more seriously and the number of true leaves was more reduced and etiolated than that of the wild type and gpx3 plants. The electrolyte leakage rates showed that cell membrane integrity in gpx3/sro1 was damaged more severely than in the wild type and gpx3 mutant. The Real-time PCR results have shown that the expression of the APX1 and CAT3 was reduced under mercury stress in the sro1 and sro1/gpx3. Our results suggested that the combination of the SRO1 and GPX3 may be contributed to plant response to mercury stress by regulating ROS intracellular oxidative homeostasis. PMID- 29224515 TI - Return to Babel. AB - End of life and beginning of life are surprisingly similar. What can we learn about the value and nature of our lives from dementia and aging? PMID- 29224516 TI - Eternal Life. PMID- 29224517 TI - A day in the life of a Mayo chaplain .... PMID- 29224518 TI - Grief as a Mystical Journey: Fowler's Stages of Faith Development and Their Relation to Post-Traumatic Growth. AB - This paper explores the relationship between embedded theological assumptions and the ways in which one copes with loss and bereavement. Based on James Fowler's research on Stages of Faith Development, the paper examines common Western psycho spiritual beliefs related to loss, trauma, and grief, and proposes that profound loss experiences have the potential to lead the griever to a shift in theological thinking. It addresses the ways in which a "crisis of faith" triggered by loss or trauma prompts the questioning of closely-held beliefs, which can lead to an expanded spiritual perspective that can be beneficial to the healing process. PMID- 29224519 TI - Frames for the Future: Developing Continuing Education & Professional Development Programs for Spiritual Care Practitioners: A Perspective from Victoria, Australia. AB - This article examines the educational issues in ongoing professional education for spiritual care practitioners. A meta-evaluation of registration and evaluation data over four years (between 2013 and 2016) of one such monthly program conducted by Spiritual Health Victoria (Australia) will be examined. Recommendations are made to support healthcare managers and spiritual care educators in designing and developing continuing education programs for spiritual care practitioners in a variety of other professional health and care contexts. PMID- 29224520 TI - The Role of the Pastoral Practitioner in Health Outcomes and Wellbeing During Acute Illness: Exploring the Patient Experience of a Pastoral Visit. AB - The role of the pastoral practitioner is embedded in many health care services and organizations. Despite this, there is little evidence to describe the impact of this role on patient outcomes, in particular how visits by a pastoral practitioner influence patient healing and recovery. This paper describes a small study that explored the patient experience of pastoral practitioner visits in an acute care facility. PMID- 29224521 TI - Towards a faith-based understanding of moral injury. AB - In recent years, the issue of moral injury (MI) has garnered considerable attention, especially as related to the military experiences of Service Members and Veterans. This brief communication is intended to provide an overview of Christian, Jewish, and Islamic understandings of MI. The intent is to draw attention to a faith-based etiology for MI, thereby facilitating dialogue and discussion on the relevance of spiritual and pastoral care to supporting those affected by MI. PMID- 29224522 TI - The Journal of Pastoral Care & Counseling Quiz. PMID- 29224523 TI - The Effect of Religious Involvement on Life Satisfaction among Korean Christians: Focused on the Mediating Effect of Spiritual Well-Being and Self-Esteem. AB - The present study examined the relationship between two categories of religious involvement, namely religious belief and religious behavior, and life satisfaction among Korean Christians (N = 278) with spiritual well-being and self esteem as potential mediators in this relationship by using structural equation modeling (SEM). The results supported the full mediated structural model and indicated that religious belief had a significant indirect effect on life satisfaction through the mediators, spiritual well-being and self-esteem. Religious behavior did not have an indirect or direct effect on life satisfaction among Korean Christians. The significance, implications, and limitations of the study were discussed. PMID- 29224524 TI - Cultural Resilience. PMID- 29224525 TI - Assessing Transcendental Experiences vs Mental Illnesses. AB - In our experience, being able to differentiate between mental illness and transcendent experiences has led patients to remain engaged in treatment. This is important since those who have experienced religious preoccupation are the least likely to seek out mental health care. We have developed a "Transcendent Assessment Tool" to assist clinicians and clients in discerning whether an experience is a delusion or part of a transcendent experience. PMID- 29224526 TI - Handling Stereotypes of Religious Professionals: Strategies Hospice Chaplains Use When Interacting with Patients and Families. AB - Stereotypes of religious professionals can create barriers for those who provide spiritual/pastoral care. Through interviews and journal entries, hospice chaplains ( n = 45) identified the following stereotypes that affected their work: chaplains as people whom others try to impress, who only talk about spiritual and religious topics, who are male, and who try to convert others. Participants reported using a variety of communication strategies to counteract stereotypes and make meaningful connections with the people they serve. PMID- 29224529 TI - Hyperprolactinemia. AB - Preview An elevated serum prolactin level has many causes, including pituitary tumors, hypothalamic disease, and certain drugs. Dr Kaye reviews the various causes of hyperprolactinemia and discusses evaluation and treatment options for this common metabolic disorder. PMID- 29224527 TI - Church Services in a Complex Continuing Care Hospital: Why Bother? AB - This research aimed to explore patient motivation for attending hospital-run church services in a complex continuing care hospital setting, as well as the perceived spiritual benefits as categorized by Fitchett's 7 * 7 Model for Spiritual Assessment. Invitations to participate in one-to-one interviews were offered to all patient attendees at both an ecumenical and a Roman Catholic service over the course of several weeks. We collected 20 interviews before performing a qualitative analysis, at which point we determined that saturation of content had been reached. The key findings were that participants identified the strongest perceived benefits in Experiences and Emotions, and Rituals and Practice, suggesting that access to the ritual of Sunday church services contributes meaningfully to participants' coping strategies and overall quality of life. PMID- 29224530 TI - Functional assessment in older patients. AB - Preview Practical assessment of the functional and support factors affecting quality of life in older patients should be an integral part of medical management. This approach allows physicians to focus on remediable problems that compromise patients' daily functioning and may hinder them from living independently. In this overview, Drs Paist and Jafri discuss the key concerns of functional assessment and present an illustrative case of an 86-year-old man with multiple problems. PMID- 29224531 TI - Recognizing glaucoma. AB - Preview A better understanding of the pathophysiology of glaucoma, a principal cause of blindness in the United States, has resulted in refined methods of diagnosis and treatment. The most common form of the disease in adults- primary open-angle glaucoma- is slowly progressive and initially asymptomatic, and its diagnosis relies on regular screening procedures. In this article, the authors review management of the various types of glaucoma, including emergency treatment of angle-closure disease. PMID- 29224532 TI - Geriatric issues. PMID- 29224533 TI - Acute epistaxis. AB - Preview Acute anterior nosebleeds are frightening because bleeding is often so copious and seemingly unstoppable. But, ironically, this type is usually less severe than posterior epistaxis, in which blood may run briskly but unseen down the throat. The choice among the many treatment methods available depends on the source and cause of epistaxis. The authors present a methodical approach to patient evaluation and describe the best therapy for various situations. PMID- 29224535 TI - Do We Really Have A Doctor Glut? PMID- 29224534 TI - Ready, set, go! AB - Preview Event and team physicians reap many rewards working with highly skilled and motivated athletes. The rewards are greatest when problems are anticipated and prevented. As discussed by Drs Leonard and Townsend, the key to success for both physicians and athletes is careful and specific planning. One might say that the Boy Scout motto, "Be prepared," cannot be overemphasized in this setting. PMID- 29224536 TI - Otitis externa. AB - Preview Although mild cases of otitis externa often respond quickly to appropriate therapy, primary care physicians need to be alert to more severe infection, particularly in diabetic and immunocompromised patients. In these cases, uncomplicated infection may progress to deep invasion of bone and become potentially fatal if cranial nerves are affected. Prompt referral to an otolaryngologist is recommended. PMID- 29224537 TI - Urinary incontinence. AB - Preview Many older patients with urinary incontinence hesitate to tell their healthcare providers, and even if they do, the condition may not be properly assessed or treated. As a result, patients may restrict or even totally avoid social activities. In this article, Drs Yim and Peterson stress the need for greater awareness of the problem and describe basic types of incontinence, diagnostic studies, and treatment options that can improve the quality of life of affected patients. PMID- 29224538 TI - Brain failure in older patients. AB - Preview Abrupt changes in consciousness or attention span are not normal at any age. No healthcare professional would ignore these signs of delirium in a 30-year old, but the authors note that such changes are often ignored (or worse, treated with tranquilizers) in older patients. A gradually decreasing ability to reason, to remember, and to exercise appropriate judgment is not normal either. The authors describe careful evaluation of patients exhibiting such changes, with particular emphasis on seeking potentially reversible causes. PMID- 29224539 TI - Use of urokinase in pregnancy. AB - Preview Urokinase thrombolytic therapy has had limited use in pregnancy because of concerns about teratogenic effects and potential bleeding. However, reports of successful use are encouraging. Here, the authors describe their experience in effective use of low-dosage urokinase to treat deep venous thrombosis in two pregnant women. PMID- 29224540 TI - The aging process. AB - Preview Although no one theory on aging explains satisfactorily why or how this process occurs, we know that aging causes physiologic changes and a progressive decline of functional organ reserve. The implications of these changes are increasingly important as the elderly segment of the population grows. In this article, Dr Troncale discusses the aging process and its effects, particularly in regard to drug therapy. PMID- 29224541 TI - Ebola virus disease. AB - Preview For many Americans, the movie Outbreak was our first introduction to Ebola virus. However, we may have dismissed it as mere cinematic sensationalism until the deadly outbreak of Ebola virus disease occurred in Zaire last May. Fortunately, few cases have been seen in the United States, but primary care physicians should nonetheless be aware of the signs and symptoms. In this article, Dr Sodhi reviews the history of the virus, manifestations of the infection, and appropriate management and preventive measures. PMID- 29224542 TI - Hepatotoxic effects of tuberculosis therapy. AB - Preview The recent resurgence of tuberculosis in the United States- fueled in part by its increased incidence among those infected with HIV, substance abusers, and recent immigrants- necessitates a fresh look at tuberculosis therapy. Management is tricky because the first-line antituberculosis drugs can be hepatotoxic, particularly in the presence of underlying liver disease. Patient compliance and close follow-up are essential to achieving a cure while avoiding the pitfalls. Dr Ali describes some of the most commonly used antituberculosis drugs, discusses ways to avoid or minimize hepatotoxicity, and presents a useful algorithm. PMID- 29224543 TI - Vancomycin-resistant enterococci. AB - Preview New antimicrobial pathogens resistant to vancomycin are wreaking havoc in medical centers throughout the nation. Their tendency to colonize or infect severely ill, hospitalized patients who have undergone invasive procedures and received prolonged courses of antimicrobial therapy is alarming. The most potent weapon in the physician's arsenal against these enemies is familiarity with their key features, with the guidelines for prudent use of drug therapy, and with the precautionary measures necessary to limit contact and spread. PMID- 29224544 TI - Interstitial cystitis. AB - Preview Although it's not a malignant or infectious condition, interstitial cystitis can be as disabling and sometimes even more difficult to manage. Many women undergo ineffective gynecologic surgery, and some men have inappropriate transurethral prostatectomy in a desperate attempt to subdue their pain. The authors provide tips for primary care physicians on making a presumptive diagnosis and suggest symptomatic relief methods to try before referral. PMID- 29224545 TI - Bringing your office into the computer age. PMID- 29224546 TI - Management of depression. AB - Preview Although depression is an eminently treatable illness, it is often overlooked. When it is detected, it can be difficult to manage because of the adverse effects of antidepressant therapy. Dr Kuzel presents recommendations for better detection and treatment of this common clinical problem in the primary care setting. PMID- 29224547 TI - Helping Smokers Quit. PMID- 29224548 TI - Nasogastric and feeding tubes. AB - Preview The authors' experience in a radiology department suggested to them that there is a wide range of beliefs among practitioners regarding proper placement of nasogastric and feeding tubes. Improper positioning can cause serious problems, as they explain. Indications for different tube positions, complications of incorrect tube placement, and directions for proper positioning are discussed and illustrated. PMID- 29224549 TI - Why we need a golden rule for peer review. PMID- 29224552 TI - Factors Influencing the Eating Practices of Hospital Nurses During Their Shifts. AB - The purpose of this study was to identify factors influencing hospital nurses' dietary practices during their shifts. Semistructured interviews grounded in the Social Ecological Model focused on individual, interpersonal, organizational, and public policy factors affecting intake. Responses from 20 female nurses were qualitatively coded and categorized based on common themes. Four major themes emerged: occupational characteristics, hesitation to take breaks, influence of unhealthy food, and organizational and industry policies. Of note, nurses' perceived inability to take breaks was due to patient load, unpredictability of patient needs, reluctance to burden other nurses, a tendency to prioritize patient care over self-care, and the repercussions of working longer hours to complete work. Other influential factors included the presence of unhealthy food options, regulations restricting nurses' ability to eat and drink in the workplace, and the need for more staff. Multilevel interventions are necessary to ensure nurses take appropriate meal breaks and maintain satisfactory dietary habits. PMID- 29224553 TI - Arteriosclerosis obliterans. AB - Preview With improvement in noninvasive assessment methods in recent years, therapeutic options for arteriosclerosis obliterans have expanded. Much can be done to control symptoms of intermittent claudication and improve overall functioning before angioplasty or bypass surgery need be considered. Here Drs Ku and Nagler discuss the options in evaluation and management of this costly medicosocial problem. PMID- 29224554 TI - Anorectal disorders. AB - Preview Both patients and physicians tend to ascribe all anorectal symptoms to hemorrhoids, but many are caused by other common conditions. Anal fissure, perianal abscess, pruritus ani, and condylomata acuminata that have reached a large size also cause considerable discomfort. Dr Metcalf summarizes identifying characteristics of the disorders, treatments that can be performed in an office visit, and circumstances that may warrant more extensive surgical procedures. PMID- 29224555 TI - Fingertip and nail bed injuries. AB - Preview A moment of distraction is all it takes for a kitchen knife, power tool, or piece of industrial or farm equipment to crush or slice off a fingertip. In children, slamming doors, bicycle chains, and folding chairs are common threats to tiny fingers and nails. The authors, who are plastic surgeons, explain that an understanding of fingertip anatomy and basic surgical skills are needed to treat these wounds. They describe the most common types of fingertip injuries, assessment of the damage, and options for surgical treatment. PMID- 29224556 TI - Inflammatory diseases of the colon. AB - Preview Symptoms of inflammatory diseases of the colon can be numerous and varied, ranging from the slight rectal bleeding of proctitis to the abdominal tenderness, bloody diarrhea, fever, dehydration, and orthostasis of fulminant colitis. The authors discuss how symptoms and other findings guide the diagnosis of ulcerative colitis, Crohn's disease, infectious colitis, colonic ischemia and vasculitis, and other types of colitis. They also summarize treatment methods. PMID- 29224557 TI - Functional colonic and anorectal disorders. AB - Preview They are problems no one wants to talk about. But like most disorders, constipation and fecal incontinence probably won't disappear by being ignored. To discover the specific type of problem present and the possible causes, physicians must overcome reluctance to discuss defecation disorders and pursue thorough history taking. Dr Rao summarizes methods for determining the underlying cause. In addition, he describes approaches to management that are often successful and help restore confidence and dignity to patients. PMID- 29224558 TI - Colorectal neoplasms. AB - Preview Colorectal neoplasms occur in many forms, but two are of primary clinical significance to physicians-adenoma and adenocarcinoma. Among the challenges these lesions present are accurate diagnosis, effective therapy, practical and affordable screening and surveillance, and primary prevention. Of key importance in designing workable management strategies is identification of factors that define higher-risk patient groups. PMID- 29224559 TI - Vaccination update. AB - Preview Inadequate immunization of infants, children, and persons at high risk for certain infectious diseases continues to result in excess deaths every year in the United States. With improved vaccination rates, many of these deaths could be prevented. This article focuses on current immunization guidelines and recent developments in the battle against seven vaccine-preventable diseases. PMID- 29224560 TI - Congestive heart failure. AB - Preview Congestive heart failure (CHF) is a common and serious problem, and its diagnosis and treatment should not be the exclusive province of the cardiologist. Primary care physicians can very adequately manage most cases in a cost-effective manner. In this article, Dr Seager gives guidelines for a standard approach to CHF and discusses special management problems, including treatment failures. PMID- 29224561 TI - Chronic schizophrenia. AB - Preview Perhaps one fourth of patients with schizophrenia respond only partially to standard neuroleptic therapy. Until recently, the only pharmacologic option for such patients was adjunctive treatment with other psychotropic drugs. Now two newer drugs-clozapine and risperidone-offer hope to patients with treatment resistant schizophrenia. This article provides an up-to-date look at effective treatment of this troubling disorder. PMID- 29224562 TI - Recurrent corneal erosions. AB - Preview Recurrent corneal erosion presents a diagnostic challenge because of its similarity to other common corneal conditions, such as herpetic ulcer. Primary care physicians can make the diagnosis (and earn the gratitude of their patients) if they have a high index of suspicion, take a careful history, and look for objective findings. In this article, the authors focus on the role of the primary care physician in the diagnosis and treatment of post-traumatic recurrent corneal erosions. PMID- 29224563 TI - Glad to Be Alive. PMID- 29224564 TI - Fetal alcohol syndrome. AB - Preview Most women know that alcohol consumption and pregnancy do not mix. But some pregnant women choose to drink anyway, and the effects on the fetus can be devastating. In this article, Dr Bratton discusses the clinical manifestations and economic impact of fetal alcohol syndrome and emphasizes the importance of screening for alcohol use and counseling against it during routine prenatal care. PMID- 29224566 TI - Diseases of the colon. PMID- 29224565 TI - Pitfalls in HIV testing. AB - Preview Inaccurate results on HIV tests are rare, but they do occur. Therefore, it is important that primary care physicians understand the laboratory techniques involved. Which assays are used for detection of the virus? How are results of such tests interpreted? What factors cause false-positive and falsenegative results? Drs Cordes and Ryan answer these questions and clarify the uncertainty surrounding HIV testing. PMID- 29224568 TI - Internal herniation through lesser omentum hiatus and gastrocolic ligament with malrotation: a case report. AB - BACKGROUND: Internal herniation through lesser omentum hiatus and gastrocolic ligament with malrotation is extremely rare. This type of internal hernia has rarely been described before. Preoperative diagnosis is difficult and prone to misdiagnosis. CASE PRESENTATION: A 38-year-old Chinese woman was an emergency admission to our hospital with a sudden onset of acute epigastralgia for the past 14 hours. We made a presumptive diagnosis of gastrointestinal perforation and septic shock. Due to the acute onset and rapid progress, she received timely surgical treatment. During operation, we observed that her small intestine herniated into the hepatogastric ligament and ligamentum gastrocolicum hiatus accompanied with intestinal malrotation that resulted in internal hernia. We found a diverticulum of approximately 3.0 * 6.0 cm sited at a distance of 80 cm from the ileocecal intestine. We resected the strangulated intestinal loop and the diverticulum, performed an appendicectomy, and closed the ligamentous fissure. Postoperation, she recovered smoothly, without any complications, and was discharged on day 6. CONCLUSIONS: A case of internal hernia formation is quite rare; accurate preoperative diagnosis and timely surgery are essential because it can cause strangulation of the ileus. However, the incidence of this internal herniation is low and preoperative diagnosis is difficult. An accurate preoperative diagnosis of internal hernia is still a challenge. PMID- 29224569 TI - Humanitarian and primary healthcare needs of refugee women and children in Afghanistan. AB - This Commentary describes the situation and healthcare needs of Afghans returning to their country of origin. With more than 600,000 Afghans returned from Pakistan and approximately 450,000 Afghans returned from Iran in 2016, the movement of people, which has been continuing in 2017, presents additional burden on the weak health system and confounds new health vulnerabilities especially for women and children. Stewardship and response is required at all levels: the central Ministry of Public Health, Provincial Health Departments and community leaders all have important roles, while continued support from development partners and technical experts is needed to assist the health sector to address the emergency and primary healthcare needs of returnee and internally displaced women, children and families. PMID- 29224570 TI - Mapping the evidence on pharmacological interventions for non-affective psychosis in humanitarian non-specialised settings: a UNHCR clinical guidance. AB - BACKGROUND: Populations exposed to humanitarian emergencies are particularly vulnerable to mental health problems, including new onset, relapse and deterioration of psychotic disorders. Inadequate care for this group may lead to human rights abuses and even premature death. The WHO Mental Health Gap Action Programme Intervention Guide (mhGAP-IG), and its adaptation for humanitarian settings (mhGAP-HIG), provides guidance for management of mental health conditions by non-specialised healthcare professionals. However, the pharmacological treatment of people with non-affective psychosis who do not improve with mhGAP first-line antipsychotic treatments is not addressed. In order to fill this gap, UNHCR has formulated specific guidance on the second-line pharmacological treatment of non-affective psychosis in humanitarian, non specialised settings. METHODS: Following the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) methodology, a group of international experts performed an extensive search and retrieval of evidence on the basis of four scoping questions. Available data were critically appraised and summarised. Clinical guidance was produced by integrating this evidence base with context-related feasibility issues, preferences, values and resource-use considerations. RESULTS: When first-line treatments recommended by mhGAP (namely haloperidol and chlorpromazine) are not effective, no other first-generation antipsychotics are likely to provide clinically meaningful improvements. Risperidone or olanzapine may represent beneficial second-line options. However, if these second-line medications do not produce clinically significant beneficial effects, there are two possibilities. First, to switch to the alternative (olanzapine to risperidone or vice versa) or, second, to consider clozapine, provided that specialist supervision and regular laboratory monitoring are available in the long term. If clinically relevant depressive, cognitive or negative symptoms occur, the use of a selective serotonin reuptake inhibitor may be considered in addition or as an alternative to standard psychological interventions. CONCLUSIONS: Adapting scientific evidence into practical guidance for non-specialised health workers in humanitarian settings was challenging due to the paucity of relevant evidence as well as the imprecision and inconsistency of results between studies. Pragmatic outcome evaluation studies from low resource contexts are urgently needed. Nonetheless, the UNHCR clinical guidance is based on best available evidence and can help to address the compelling issue of undertreated, non-affective psychosis in humanitarian settings. PMID- 29224571 TI - 'Worried to death': the assessment and management of anxiety in patients with advanced life-limiting disease, a national survey of palliative medicine physicians. AB - BACKGROUND: Anxiety adversely affects quality of life and is common in adults with advanced life-limiting disease. There are no UK-wide guidelines on the assessment and management of anxiety in this specific population and there is little evidence regarding drug treatments. This study aimed to explore how palliative care physicians assess and manage anxiety in their patients, and to identify barriers encountered. METHODS: A cross-sectional survey was undertaken of all physicians working in specialist palliative care in the UK who were members of the Association for Palliative Medicine. This was conducted in February 2014 using an online questionnaire. RESULTS: The response rate was 23% (230/980) and 61% of respondents were consultants. Most did not use tools to screen for anxiety (87%) and almost all used the clinical interview to diagnose anxiety (99%). Only 8% used psychiatric criteria. Most physicians reported difficulties managing anxiety (93%). Only 33% thought they had adequate training in this area. Most had difficulty accessing psychological and/or psychiatric services (71%, 64% respectively). The majority used a combination of pharmacological and non-pharmacological treatments for anxiety. The most frequently prescribed first-line medications for patients with a prognosis of days to weeks were benzodiazepines (93%), usually lorazepam. The use of benzodiazepines over antidepressants was statistically significant (p < 0.001). For patients with a prognosis of months, antidepressants were most frequently prescribed first-line (60%), significantly more than benzodiazepines (p < 0.001). However, benzodiazepine use was still common in this prognostic group with 47% prescribing it first-line, sometimes in combination with an antidepressant. CONCLUSION: This is the first national survey on the assessment and management of anxiety in palliative care. Findings demonstrate the infrequent use of screening tools, variation in prescribing practice, potentially inappropriate use of benzodiazepines for patients with a prognosis of months, training gaps and poor access to psychological and psychiatric services in the UK. This highlights the need for formal training, further research into the pharmacological management of anxiety in this population and evidence-based national guidance to support clinical decision-making and service development. PMID- 29224572 TI - Individual, collective, and transgenerational traumatization in the Yazidi. AB - In recent years, Islamic terrorism has manifested itself with an unexpectedly destructive force. Despite the fact that Islamic terrorism commences locally in most cases, it has spread its terror worldwide. In August 2014, when troops of the self-proclaimed 'Islamic State' conquered areas of northern Iraq, they turned on the long-established religious minorities in the area with tremendous brutality, especially towards the Yazidis. Vast numbers of men were executed, and women and children were abducted and willfully subjected to sexual violence. With the aim of systematic destruction of the Yazidi community, the religious minority was to be eliminated and the will of the victims broken. The medical and mental health issues arising from the combination of subjective, collective, and cultural traumatization, as well as the subsequent migrant and refugee crisis, are therefore extraordinary and require novel and wise concepts of integrated medical care. PMID- 29224573 TI - Brain glutamate in medication-free depressed patients: a proton MRS study at 7 Tesla. AB - BACKGROUND: The possible role of glutamate in the pathophysiology and treatment of depression is of intense current interest. Proton magnetic resonance spectroscopy (MRS) enables the detection of glutamate in the living human brain and meta-analyses of previous MRS studies in depressed patients have suggested that glutamate levels are decreased in anterior brain regions. Nevertheless, at conventional magnetic field strengths [1.5-3 Tesla (T)], it is difficult to separate glutamate from its metabolite and precursor, glutamine, with the two often being measured together as Glx. In contrast, MRS at 7 T allows clear spectral resolution of glutamate and glutamine. METHOD: We studied 55 un medicated depressed patients and 50 healthy controls who underwent MRS scanning at 7 T with voxels placed in anterior cingulate cortex, occipital cortex and putamen (PUT). Neurometabolites were calculated using the unsuppressed water signal as a reference. RESULTS: Compared with controls, depressed patients showed no significant difference in glutamate in any of the three voxels studied; however, glutamine concentrations in the patients were elevated by about 12% in the PUT (p < 0.001). CONCLUSIONS: The increase in glutamine in PUT is of interest in view of the postulated role of the basal ganglia in the neuropsychology of depression and is consistent with elevated activity in the descending cortical glutamatergic innervation to the PUT. The basal ganglia have rarely been the subject of MRS investigations in depressed patients and further MRS studies of these structures in depression are warranted. PMID- 29224574 TI - Joint associations of dietary pattern and television viewing with CVD risk factors among urban men and women in China: a cross-sectional study. AB - The purpose of this study was to investigate the joint associations of dietary pattern and television viewing with risk factors of CVD among urban adults in China. A community-based cross-sectional study was conducted among urban adults in Nanjing, China. Five dietary patterns were identified based on a FFQ. Television time was obtained from a standard questionnaire and further classified into two categories (<=7, >7 h/week). Multiple logistic regression was used to calculate the OR and 95 % CI for the separate and joint associations of dietary patterns and television viewing with CVD risk factors. Compared with other dietary patterns, participants who followed the healthy traditional pattern had a lower likelihood of abdominal obesity (AO) (OR 0.52; 95 % CI 0.41, 0.67). Participants watching television no more than 7 h/week presented a 19 and 21 % lower likelihood for hypertension (HT) and elevated total cholesterol (ETC) than those with television time >7 h/week. Individuals who had less television time and a healthy dietary pattern had a lower OR for the presence of AO (OR 0.48; 95 % CI 0.36, 0.65), HT (OR 0.71; 95 % CI 0.66, 0.77), ETC (OR 0.72; 95 % CI 0.57, 0.91) and elevated TAG (OR 0.76; 95 % CI 0.61, 0.95), compared with those who followed other dietary patterns and television time >7 h/week. In conclusion, both healthy traditional pattern and less television time are jointly associated with reduced levels of CVD risk factors. It has important public health implications regarding the precision prevention of CVD at population level. PMID- 29224575 TI - A systematic review of patient-reported outcome measures in paediatric otolaryngology. AB - BACKGROUND: Recently, there has been increased emphasis on the development and application of patient-reported outcome measures. This drive to assess the impact of illness or interventions, from the patient's perspective, has resulted in a greater number of available questionnaires. The importance of selecting an appropriate patient-reported outcome measure is specifically emphasised in the paediatric population. The literature on patient-reported outcome measures used in paediatric otolaryngology was reviewed. METHODS: A comprehensive literature search was conducted using the databases Medline, Embase, Cumulative Index to Nursing and Allied Health Literature, and PsycInfo, using the terms: 'health assessment questionnaire', 'structured questionnaire', 'questionnaire', 'patient reported outcome measures', 'PROM', 'quality of life' or 'survey', and 'children' or 'otolaryngology'. The search was limited to English-language articles published between 1996 and 2016. RESULTS: The search yielded 656 articles, of which 63 were considered relevant. This included general paediatric patient reported outcome measures applied to otolaryngology, and paediatric otolaryngology disease-specific patient-reported outcome measures. CONCLUSION: A large collection of patient-reported outcome measures are described in the paediatric otolaryngology literature. Greater standardisation of the patient reported outcome measures used in paediatric otolaryngology would assist in pooling of data and increase the validation of tools used. PMID- 29224576 TI - Using structural equation modelling to assess factors influencing children's growth and nutrition in rural China. AB - OBJECTIVE: Children's poor growth and nutrition status has serious consequences and therefore it is important to understand its contributing factors. DESIGN: A community-based interventional study focusing on child feeding was conducted in a rural community in China. Data from the intervention group at baseline (1-4 months of age) and follow-up visits (12 and 18 months of age) were used in the present study (n 236). A structural equation model was generated to explore the effects of family wealth, household food safety, dietary intake, diseases and other factors on the growth and nutrition of young children. RESULTS: Mother's knowledge and behaviours on household food safety had positive effects on children's weight-for-age Z-score (WAZ; beta direct=0.03 and 0.15, respectively, at 12 months of age; beta direct=0.02 and 0.08, respectively, at 18 months; P<0.05) and weight-for-length Z-score (WLZ; beta direct=0.04 and 0.21, respectively, at 12 months of age; beta direct=0.01 and 0.06, respectively, at 18 months; P<0.05). While mothers' feeding behaviours and children's dietary intake at 12 months of age were positively associated with WAZ and/or WLZ at current and later ages, children's diseases were negatively associated with WAZ and WLZ cross sectionally. CONCLUSIONS: Caregiver's knowledge and feeding behaviours, and children's dietary intake and diseases, are factors influencing the WAZ and WLZ of children. Promoting feeding and health knowledge and behaviours at early stages of childhood can improve children's physical growth at later ages. PMID- 29224577 TI - Long-term implications of feed energy source in different genetic types of reproductive rabbit females. II. Immunologic status. AB - Genetic selection and nutrition management have played a central role in the development of commercial rabbitry industry over the last few decades, being able to affect productive and immunological traits of the animals. However, the implication of different energy sources in animals from diverse genetic lines achieving such evolutionary success remains still unknown. Therefore, in this work, 203 female rabbits housed and bred in the same conditions were used from their first artificial insemination until their fifth weaning. The animals belonged to three different genetic types diverging greatly on breeding goals (H line, hyper-prolific (n=66); LP line, robust (n=67) and R line, selected for growth rate (n=67), and were assigned to two experimental diets, promoting major differences in energy source (cereal starch or animal fat)). The aims of this work were to: (1) characterize and describe blood leucocyte populations of three lines of rabbit does in different physiological stages during their reproductive period: first artificial insemination, first weaning, second parturition and fifth weaning; and (2) study the possible influence of two different experimental diets on the leucocyte populations in peripheral blood. Flow cytometry analyses were performed on blood samples taken from females at each different sampling stade. Lymphocyte populations at both weanings were characterized by significantly lower counts of total, CD5+ and CD8+ lymphocytes (-19.8, -21.7 and 44.6%; P<0.05), and higher counts of monocytes and granulocytes (+49.2 and +26.2%; P<0.05) than in the other stages. Females had higher blood counts of lymphocytes B, CD8+ and CD25+ and lower counts of CD4+ at first than at fifth weaning (+55.6, +85.8, +57.5, -14.5%; P<0.05). G/L ratio was higher at both weanings (P<0.05), and CD4+/CD8+ ratio increased progressively from the 1AI to the 5 W (P<0.001). Regarding the effect of genetic type in blood leucocyte counts, LP animals presented the highest counts for total, B, CD5+ and CD8+ lymphocytes (+16.7, +31.8, +24.5 and +38.7; P<0.05), but R rabbits showed the highest counts for monocytes and granulocytes (+25.3 and +27.6; P<0.05). The type of diet given during the reproductive life did not affect the leucocyte population counts. These results indicate that there are detectable variations in the leucocyte profile depending on the reproductive stage of the animal (parturition, weaning or none of them). Moreover, foundation for reproductive longevity criteria allows animals to be more capable of adapting to the challenges of the reproductive cycle from an immunological viewpoint. PMID- 29224578 TI - Isolating the cow-specific part of residual energy intake in lactating dairy cows using random regressions. AB - The ability to properly assess and accurately phenotype true differences in feed efficiency among dairy cows is key to the development of breeding programs for improving feed efficiency. The variability among individuals in feed efficiency is commonly characterised by the residual intake approach. Residual feed intake is represented by the residuals of a linear regression of intake on the corresponding quantities of the biological functions that consume (or release) energy. However, the residuals include both, model fitting and measurement errors as well as any variability in cow efficiency. The objective of this study was to isolate the individual animal variability in feed efficiency from the residual component. Two separate models were fitted, in one the standard residual energy intake (REI) was calculated as the residual of a multiple linear regression of lactation average net energy intake (NEI) on lactation average milk energy output, average metabolic BW, as well as lactation loss and gain of body condition score. In the other, a linear mixed model was used to simultaneously fit fixed linear regressions and random cow levels on the biological traits and intercept using fortnight repeated measures for the variables. This method split the predicted NEI in two parts: one quantifying the population mean intercept and coefficients, and one quantifying cow-specific deviations in the intercept and coefficients. The cow-specific part of predicted NEI was assumed to isolate true differences in feed efficiency among cows. NEI and associated energy expenditure phenotypes were available for the first 17 fortnights of lactation from 119 Holstein cows; all fed a constant energy-rich diet. Mixed models fitting cow specific intercept and coefficients to different combinations of the aforementioned energy expenditure traits, calculated on a fortnightly basis, were compared. The variance of REI estimated with the lactation average model represented only 8% of the variance of measured NEI. Among all compared mixed models, the variance of the cow-specific part of predicted NEI represented between 53% and 59% of the variance of REI estimated from the lactation average model or between 4% and 5% of the variance of measured NEI. The remaining 41% to 47% of the variance of REI estimated with the lactation average model may therefore reflect model fitting errors or measurement errors. In conclusion, the use of a mixed model framework with cow-specific random regressions seems to be a promising method to isolate the cow-specific component of REI in dairy cows. PMID- 29224579 TI - Wilder Penfield, Sir Arthur Currie, and the Montreal Neurological Institute. AB - Wilder Penfield and the Montreal Neurological Institute (MNI) are inextricably linked. It was Penfield's unique idea to create a building with an academic atmosphere wherein basic neuroscience and clinical care of neurological patients would benefit from interaction and mutual support. It is clear that without Penfield that there would be no MNI; however, the role of another Canadian icon, Sir Arthur Currie, in the development of the MNI has heretofore been barely mentioned. The thesis of this paper is that Currie had a critical role in the gestation of the MNI that has generally been ignored. PMID- 29224580 TI - The neural correlates of Childhood Trauma Questionnaire scores in adults: A meta analysis and review of functional magnetic resonance imaging studies. AB - Childhood maltreatment, including abuse and neglect, may have sustained effects on the integrity and functioning of the brain, alter neurophysiological responsivity later in life, and predispose individuals toward psychiatric conditions involving socioaffective disturbances. This meta-analysis aims to quantify associations between self-reported childhood maltreatment and brain function in response to socioaffective cues in adults. Seventeen functional magnetic resonance imaging studies reporting on data from 848 individuals examined with the Childhood Trauma Questionnaire were included in a meta-analysis of whole-brain findings, or a review of region of interest findings. The spatial consistency of peak activations associated with maltreatment exposure was tested using activation likelihood estimation, using a threshold of p < .05 corrected for multiple comparisons. Adults exposed to childhood maltreatment showed significantly increased activation in the left superior frontal gyrus and left middle temporal gyrus, and decreased activation in the left superior parietal lobule and the left hippocampus. Although hyperresponsivity to socioaffective cues in the amygdala and ventral anterior cingulate cortex in correlation with maltreatment severity is a replicated finding in region of interest studies, null results are reported as well. The findings suggest that childhood maltreatment has sustained effects on brain function into adulthood, and highlight potential mechanisms for conveying vulnerability to development of psychopathology. PMID- 29224581 TI - Executive function and other cognitive deficits are distal risk factors of generalized anxiety disorder 9 years later. AB - OBJECTIVE: The cognitive model (Hirsch & Mathews, 2012) and attentional control theory (Eysenck & Derakshan, 2011) postulate that compromised executive function (EF) and other cognitive constructs are negatively linked to increased excessive and uncontrollable worry, the core symptom of generalized anxiety disorder (GAD). However, the prospective link between neuropsychological constructs and GAD are not well understood. METHODS: A nationally representative sample of 2605 community-dwelling adults whose average age was 55.20 (s.d. = 11.41, range 33-84; 56.31% females) participated at baseline and 9-year follow-up. Baseline neuropsychological function and symptoms were measured using the Brief Test of Adult Cognition by Telephone and Composite International Diagnostic Interview - Short Form. Multivariate Poisson and negative binomial regression analyses were conducted with 11 baseline covariates entered simultaneously: age, gender, years of formal education, perceived control, hypertension/diabetes, body mass index, exercise status, as well as GAD severity, panic disorder severity, and depression severity. Those with baseline GAD were also removed. RESULTS: Lower Time 1 composite global cognition z-score independently predicted higher Time 2 GAD severity and diagnosis [odds ratio (OR) 0.60, 95% confidence interval (CI) 0.40 0.89, p = 0.01]. Poor inhibition, set-shifting, working memory (WM) updating, inductive reasoning, and global cognition sequentially forecasted heightened GAD. However, processing speed, verbal WM, verbal fluency, and episodic memory did not predict future GAD. CONCLUSION: Global cognition, inductive reasoning, inhibition, set-shifting, and WM updating EF impairments may be distal risk factors for elevated GAD nearly a decade later. PMID- 29224582 TI - A Simple Preparation Method for Full-Range Electron Tomography of Nanoparticles and Fine Powders. AB - Electron tomography has become a valuable and widely used tool for studying the three-dimensional nanostructure of materials and biological specimens. However, the incomplete tilt range provided by conventional sample holders limits the fidelity and quantitative interpretability of tomographic images by leaving a "missing wedge" of unknown information in Fourier space. Imaging over a complete range of angles eliminates missing wedge artifacts and dramatically improves tomogram quality. Full-range tomography is usually accomplished using needle shaped samples milled from bulk material with focused ion beams, but versatile specimen preparation methods for nanoparticles and other fine powders are lacking. In this work, we present a new preparation technique in which powder specimens are supported on carbon nanofibers that extend beyond the end of a tungsten needle. Using this approach, we produced tomograms of platinum fuel cell catalysts and gold-decorated strontium titanate photocatalyst specimens. Without the missing wedge, these tomograms are free from elongation artifacts, supporting straightforward automatic segmentation and quantitative analysis of key materials properties such as void size and connectivity, and surface area and curvature. This approach may be generalized to other samples that can be dispersed in liquids, such as biological structures, creating new opportunities for high quality electron tomography across disciplines. PMID- 29224583 TI - Nutrients for neurocognition in health and disease: measures, methodologies and mechanisms. AB - Effective pharmaceutical treatments for age-related cognitive decline have proved elusive. There is, however, compelling evidence that nutritional status and supplementation could play crucial roles in modifying the expression of cognitive change through the lifespan. Subjective memory impairment and mild cognitive impairment can be harbingers of dementia but this is by no means inevitable. Neurocognitive change is influenced by a variety of processes, many of which are involved in other aspects of systemic health, including cardiovascular function. Importantly, many of these processes are governed by mechanisms which may be modified by specific classes of bioactive nutrients. There is increasing, converging evidence from controlled trials that nutritional interventions can improve mood and cognitive function in both clinical and healthy populations. Specific examples include selected botanical extracts such as the flavonoids. Some nutritional supplements (e.g. broad-spectrum micronutrient supplementation) appear to support improved cognitive function, possibly through redressing insufficient nutrient status (i.e. suboptimal but above the threshold for frank deficiency). Recent mechanistic research has unveiled physiologically plausible, modifiable, cognition-relevant targets for nutrition and nutraceuticals. These include processes involved in both systemic and central vascular function, inflammation, metabolism, central activation, improved neural efficiency and angiogenesis. The advent and development of human neuroimaging methodology have greatly aided our understanding of the core central mechanisms of cognitive change. Different imaging modalities can provide insights into modifiable central mechanisms which may be targeted by bioactive nutrients. The latter may contribute to slowing age-related decline through supporting neurocognitive scaffolding mechanisms. PMID- 29224584 TI - Long-term implications of feed energy source in different genetic types of reproductive rabbit females: III. Fitness and productivity. AB - The specialization process associated with genetic selection could be associated with functional disorders, affecting the reproductive success of females (fitness). We hypothesized that by modulating energy acquisition and allocation of females we could balance productivity and reproductive success. To test this hypothesis, we used 203 rabbit females belonging to three genetic types: H (n=66) maternal line specialized in prolificacy, LP (n=67) generalist maternal line, R (n=70) paternal line specialized in growth rate. We fed each genetic type with two diets specifically designed to promote milk yield (AF) or body reserves recovery (CS). We controlled females between their first and fifth reproductive cycles, recording traits related with productivity and fitness of females. H females fed CS had on average 11.2+/-0.43 kits with an individual weight of 54+/ 1.2 g at birth and 525+/-11 g at weaning. Their conception rate when multiparous was 44% and their survival rate at the end of the experiment 30%. When they were fed AF, the individual weight of kits was 3.8 g heavier (P<0.05) at birth and 38 g heavier at weaning (P<0.05), the conception rate when multiparous increased 23 percentage points (P<0.05) and the survival rate at the end of the experiment 25 percentage points (P<0.05). LP females fed CS had on average 10.8+/-0.43 kits with an individual weight of 52+/-1.2 g at birth and 578+/-11 g at weaning. Their conception rate when multiparous was 79% and their survival rate at the end of the experiment 75%. When they were fed AF, it only increased individual weight of kits at weaning (+39 g; P<0.05). R females fed CS had on average 8.4+/-0.43 kits with an individual weight of 60+/-1.2 g at birth and 568+/-11 g at weaning. Their conception rate when multiparous was 60% and their survival rate at the end of the experiment 37%. When they were fed AF, they presented 1.4 kits less at birth (P<0.05) but heavier at birth (+4.9 g; P<0.05) and at weaning (+37 g; P<0.05). Therefore, we observed that genetic types prioritized different fitness components and that diets could affected them. In this sense, seems that more specialized genetic types, were more sensitive to diets than the more generalist type. PMID- 29224585 TI - Long-term implications of feed energy source in different genetic types of reproductive rabbit females: I. Resource acquisition and allocation. AB - To achieve functional but also productive females, we hypothesised that it is possible to modulate acquisition and allocation of animals from different genetic types by varying the main energy source of the diet. To test this hypothesis, we used 203 rabbit females belonging to three genetic types: H (n=66), a maternal line characterised by hyper-prolificacy; LP (n=67), a maternal line characterised by functional hyper-longevity; R (n=79), a paternal line characterised by growth rate. Females were fed with two isoenergetic and isoprotein diets differing in energy source: animal fat (AF) enhancing milk yield; cereal starch (CS) promoting body reserves recovery. Feed intake, weight, perirenal fat thickness (PFT), milk yield and blood traits were controlled during five consecutive reproductive cycles (RCs). Females fed with CS presented higher PFT (+0.2 mm, P0.05), particularly for those fed with AF. Moreover, LP females fed with AF progressively increased PFT across the RC, whereas those fed with CS increased PFT during early lactation (+7.3%; P<0.05), but partially mobilised it during late lactation (-2.8%; P<0.05). Independently of the diet offered, LP females reached weaning with similar PFT. H females fed with either of the two diets followed a similar trajectory throughout the RC. For milk yield, the effect of energy source was almost constant during the whole experiment, except for the first RC of females from the maternal lines (H and LP). These females yielded +34.1% (P<0.05) when fed with CS during this period. Results from this work indicate that the resource acquisition capacity and allocation pattern of rabbit females is different for each genetic type. Moreover, it seems that by varying the main energy source of the diet it is possible to modulate acquisition and allocation of resources of the different genetic types. However, the response of each one depends on its priorities over time. PMID- 29224586 TI - A scoping review of the evidence for efficacy of acupuncture in companion animals. AB - Acupuncture has become increasingly popular in veterinary medicine. Within the scientific literature there is debate regarding its efficacy. Due to the complex nature of acupuncture, a scoping review was undertaken to identify and categorize the evidence related to acupuncture in companion animals (dogs, cats, and horses). Our search identified 843 relevant citations. Narrative reviews represented the largest proportion of studies (43%). We identified 179 experimental studies and 175 case reports/case series that examined the efficacy of acupuncture. Dogs were the most common subjects in the experimental trials. The most common indication for use was musculoskeletal conditions, and the most commonly evaluated outcome categories among experimental trials were pain and cardiovascular parameters. The limited number of controlled trials and the breadth of indications for use, outcome categories, and types of acupuncture evaluated present challenges for future systematic reviews or meta-analyses. There is a need for high-quality randomized controlled trials addressing the most common clinical uses of acupuncture, and using consistent and clinically relevant outcomes, to inform conclusions regarding the efficacy of acupuncture in companion animals. PMID- 29224587 TI - The prevalence of Behcet's disease in the north of Jordan: a hospital-based epidemiological survey. AB - OBJECTIVES: To estimate the prevalence of Behcet's disease (BD) in Jordan, with the additional aim of comparing this prevalence among hospital workers in other geographical areas. METHODS: In the first stage of our survey, 2,569 employees from 6 hospitals in north Jordan were interviewed using a screening questionnaire to identify individuals with recurrent oral ulcers (ROU), a previous diagnosis of BD (PDBD) and/or any major symptom related to BD. In the second stage, all individuals with ROU or PDBD identified at stage 1, were examined by 2 rheumatologists for the presence/confirmation of BD according to the International Study Group (ISG) criteria. Pathergy test was performed according to recommendations. RESULTS: ROU were present in 210 (8.2%) individuals. BD was confirmed in 10 employees with PDBD. Seven more BD patients were found. Mean age of 17 BD patients was 38.6+/-10.7 (range 26-65 y). M: F was 2.4:1. Pathergy test was positive in 8/17. A family history of ROU or BD was noted in 9 (52%) and 3 (25.0%), respectively, compared to 227 (8.9%) and 62 (2.6%) in the whole group, excluding the BD patients (p<0.001 and 0.008, respectively). The prevalence rate of BD in the north of Jordan was estimated as 66:10.000 (95% CI 34.8 to 97.5:10000). CONCLUSIONS: The results of this first ever survey indicated that the prevalence of BD in the north of Jordan is among the highest in the world. This prevalence can now be compared to hospital workers in other geographical areas. PMID- 29224588 TI - Alteration of the microRNA expression profile in familial Mediterranean fever patients. AB - OBJECTIVES: Phenotypic heterogeneity in familial Mediterranean fever (FMF) disease indicated that FMF is not a simple monogenic disease. Therefore it has been suggested that epigenetic factors can be one of the reason for the variations. We undertook this study to test potential involvement of miRNAs in the pathogenesis of FMF. METHODS: miRNA array was performed on whole blood RNA samples from 6 healthy controls (-/-), 6 FMF patients (M694V/M694V), 6 carriers who displayed the disease phenotype (M694V/-) and 6 healthy carriers (M694V/-). The raw data was analysed by Multi Experiment Viewer (MeV) and candidate miRNAs were determined according to fold change (more than 2.0 or less than -2.0). The validation of differentially expressed miRNAs was done by qRT-PCR. Then we performed pathway analyses with using bioinformatics tools. RESULTS: 14 miRNAs were found to be significant among groups through the analysis with MeV. miR-20a 5p, miR-197-3p, let-7d-3p and miR-574-3p were found to be associated with inflammatory pathway related genes according to DAVID analysis. MiR-20a-5p (FDR: 0,00, FCH: 5.55) was significantly up regulated whereas miR-197-3p (FDR: 0,00, FCH: -2.27) was down regulated in homozygotes patients. Both let-7d-3p (FDR: 0.00, FCH: 28.75) and miR-574-3p (FDR: 0.00, FCH: 3.95) were up regulated in heterozygote patients group. CONCLUSIONS: We showed that there are several differentially expressed miRNAs both in homozygote and heterozygote FMF patients compared to controls and healthy carriers. Thus we suggest that these miRNAs, related with inflammatory pathways may be responsible for the expression of the disease in FMF. PMID- 29224589 TI - A wake-up call for physical activity promotion in Australia: results from a survey of Australian nursing and allied health professionals. AB - Objective Nursing and allied health professionals (AHPs) are in an ideal position to promote physical activity (PA) as part of their health care provision. The aim of this study was to investigate current promotion and knowledge of PA among people in these disciplines.Methods A cross-sectional online survey of practicing Australian physiotherapists, nurses, exercise physiologists, occupational therapists, dietitians and pharmacists was conducted in 2016.Results A total of 433 nurses and AHPs completed the survey. All disciplines agreed that providing PA advice was part of their role, although nurses were less likely to agree. All disciplines felt they had the skills to promote PA but nurses were more likely to report a lack of time as a barrier. Physiotherapists and exercise physiologists were more confident giving PA advice to patients. Most health professionals (68%) were aware of the PA guidelines, although only 16% were accurately able to describe all relevant components. In logistic regression modelling, women and those working in public hospitals were less likely to encourage PA. Awareness of the PA guidelines doubled the odds of encouraging PA in patients (odds ratio 2.01, 95% confidence interval 1.18-3.43).Conclusions Australian nurses and AHPs perceive that PA promotion is part of their role, however few have specific knowledge of the PA guidelines. To increase PA promotion by nurses and AHPs awareness of the PA guidelines appears to be essential.What is known about the topic? Nurses and AHPs are in an ideal position to promote PA, although there is limited evidence of their PA promotion and knowledge.What does the paper add? Australian nurses and AHPs are confident and think it is feasible to promote PA to patients in several healthcare settings but many lack sufficient PA knowledge, limiting their PA promotion.What are the implications for practitioners? Increasing PA knowledge of nurses and AHPs could generate increased levels of PA in the Australian population and improve national health and wellbeing. PMID- 29224596 TI - Improving Health Services: Background, Method and Applications. PMID- 29224590 TI - Comparative emergency department resource utilisation across age groups. AB - Objectives The aim of the present study was to assess comparative emergency department (ED) resource utilisation across age groups.Methods A retrospective analysis of data collected in the National Non-admitted Patient Emergency Department Care Database was undertaken to assess comparative ED resource utilisation across six age groups (0-14, 15-35, 36-64, 65-74, 75-84 and >=85 years) with previously used surrogate markers of ED resource utilisation.Results Older people had significantly higher resource utilisation for their individual ED episodes of care than younger people, with the effect increasing with advancing age.Conclusion With ED care of older people demonstrated to be more resource intensive than care for younger people, the projected increase in older person presentations anticipated with population aging will have a magnified effect on ED services. These predicted changes in demand for ED care will only be able to be optimally managed if Australian health policy, ED funding instruments and ED models of care are adjusted to take into account the specific care and resource needs of older people.What is known about the topic? Current Australian ED funding models do not adjust for patient age. Several regional studies have suggested higher resource utilisation of ED patients aged >=65 years. Anticipated rapid population aging mandates that contribution of age to ED visit resource utilisation be further explored.What does this paper add? The present study of national Australian ED presentations compared ED resource utilisation across age groups using surrogate markers of ED cost. Older people were found to have significantly higher resource utilisation in the ED, with the effect increasing further with advancing age.What are the implications for practitioners? The higher resource utilisation of older people in the ED warrants a review of current ED funding models to ensure that they will continue to meet the needs of an aging population. PMID- 29224597 TI - Corrigendum to: Public sector residential aged care: identifying novel associations between quality indicators and other demographic and health-related factors. AB - To explore associations among quality indicators (QI; e.g. pressure ulcers, falls and/or fractures, physical restraint, use of multiple medications, unplanned weight loss) of the Victorian Public Sector Residential Aged Care Services (VPSRACS) with other demographic and health-related factors. Data for 380 residents over a 3-month period were extracted retrospectively from client databases at four VPSRAC facilities. Four significant logistic regression models were developed. The strongest models related to falls and polypharmacy. Significant associations for these models included the following: (1) residents with a higher body mass index were 6% less likely (95% confidence interval (CI) 1%-11%) to fall, whereas high levels of cognitive impairment increased the risk of falling by 8% (95% CI 2%-14%); (2) being ambulant with a gait aid more than doubled the risk of falling compared with non-ambulant residents (95% CI 19% 546%); and (3) higher cognitive impairment was associated with a 6% (95% CI 1% 11%) reduction in the likelihood of polypharmacy. Identification of significant relationships between the VPSRACS QI and other demographic and health-related factors is a preliminary step towards a more in-depth understanding of the factors that influence the QI and predict adverse events. Currently, the VPSRACS report on five QI. Previous research has shown associations between several of these indicators, but not all. This paper examines associations between the five VPSRAC QI as well as other key demographic and health-related factors. Novel findings from regression analyses included an increased risk of falls associated with recommended body mass index and using gait aids, but no association between pressure ulcers and the Norton score. Regression models for other QI were limited by the small occurrences of the QI. However, significant associations were identified indicating that residents using a gait aid had a lower level of unplanned weight loss and residents with polypharmacy had higher unplanned weight loss. This paper reinforces the value of collecting VPSRAC QI data to enable facilities to consider how these variables could impact on care quality and to proactively plan to reduce the risk of adverse events. Although QI data can be used to benchmark with other settings, this paper shows how QI data can be used to inform practice within a facility and help identify patient-related factors that may warrant further investigation. PMID- 29224600 TI - Evaluation of an integrated housing and recovery model for people with severe and persistent mental illnesses: the Doorway program. AB - Objective The Doorway program is a 3-year pilot integrated housing and recovery support program aimed at people with a severe and persistent mental illness who are 'at risk' or actually homeless. Participants source and choose properties through the open rental market, with appropriate rental subsidy and brokerage support. This arrangement is highly innovative, differing from widely favoured arrangements internationally involving congregate and scattered-site housing owned or managed by the support program. The aim of the present study was to determine the effects of the Doorway program on participants' health, housing, service utilisation and costs. Methods A pre-post study design was used with outcome measures consisting of a number of question inventories and their costs (where relevant). The principal inventories were the Behaviour and Symptom Identification Scale 32 (BASIS-32), a consumer-oriented, self-report measure of behavioural symptoms and distress, the Health of the Nation Outcome Scale (HoNOS), an interviewer-administered measurement tool designed to assess general health and social functioning of mentally ill people and the Outcomes Star (Homelessness) system which measures various aspects of the homelessness experience. Baseline measurements were performed routinely by staff at entry to the program and then at 6-monthly intervals across the evaluation period. Results For 55 of 59 participants, total mean BASIS-32 scores (including as well three of five subscale scores) improved significantly and with moderate effect size. Four of the 10 domain scores on the Outcome Star (Homelessness) inventory also improved significantly, with effect sizes ranging from small-medium (three domains) to large (one domain). Mean usage of bed-based mental health clinical services and general hospital admissions both significantly decreased (with overall net savings of A$3096 per participant per annum). Overall cost savings (including housing) to government ranged from A$1149 to A$19837 depending on the housing type comparator. Conclusion The Doorway program secured housing for this vulnerable group with additional benefits in client outcomes, including reduced use and cost of health services. These findings, if confirmed in larger studies, should have widespread applicability internationally. What is known about the topic? Beneficial effects of housing and recovery programs (Housing First) on people with severe and persistent mental illness and who are 'at risk', or actually homeless, are being demonstrated in Northern America. These effects include housing security, well being, health service utilisation and cost effects on government. However, these beneficial effects can only be regarded as settled for housing security. The highly innovative Doorway care model in which participants source and choose properties through the open rental market, with appropriate rental subsidy and brokerage support, has not been investigated previously. What does this paper add? This paper adds new data on the Doorway care models, it's effects and costs, particularly with regard to participant behavioural distress and social functioning. What are the implications for practitioners? The beneficial effects of this innovative model, if confirmed in larger studies, should have widespread applicability internationally. PMID- 29224609 TI - Lead...Leader...Leadership. PMID- 29224610 TI - Perceptions of interactions between staff members calling, and those responding to, rapid response team activations for patient deterioration. AB - Objectives The aim of the present study was to investigate experiences of staff interactions and non-technical skills (NTS) at rapid response team (RRT) calls, and their association with repeat RRT calls. Methods Mixed-methods surveys were conducted of RRT members and staff who activate the RRT (RRT users) for their perceptions and attitudes regarding the use of NTS during RRT calls. Responses within the survey were recorded as Likert items, ranked data and free comments. The latter were coded into nodes relating to one of four NTS domains: leadership, communication, cooperation and planning. Results Two hundred and ninety-seven (32%) RRT users and 79 (73.8%) RRT members provided responses. Of the RRT user respondents, 76.5% had activated the RRT at some point. Deficits in NTS at RRT calls were revealed, with 36.9% of users not feeling involved during RRT calls and 24.7% of members perceiving that users were disinterested. Unresolved user clinical concerns, or persistence of RRT calling criteria, were reasons cited by 37.6% and 23%, respectively, of RRT users for reactivating an RRT to the same patient. Despite recollections of conflict at previous RRT calls, 92% of users would still reactivate the RRT. The most common theme in the free comments related to deficiencies in cooperation (52.9%), communication (28.6%) and leadership (14.3%). Conclusions This survey of RRT users and members revealed problems with RRT users' and members' interactions at the time of an RRT call. Both users and members considered NTS to be important, but lacking. These findings support NTS training for RRT members and users. What is known about the topic? Previous surveying has related experiences of criticism and conflict between clinical staff at RRT activations. This leads to reluctance to call the RRT when indicated, with risks to patient safety, especially if subsequent RRT activation is necessary. Training in NTS has improved clinician interactions in simulated emergencies, but the exact role of NTS during RRT calls has not yet been established. What does this paper add? The present survey examined experienced clinicians' perceptions of the use of NTS at RRT calls and the effect on subsequent calling. A key finding was a disparity between perceptions of how RRT members interact with those activating the RRT (RRT users) and their performance of NTS. This was reflected with unresolved RRT user clinical concern at the time of a call. In turn, this affected RRT users' attitudes and intentions to reactivate the RRT. Formal handover was considered desirable by both RRT users and members. What are the implications for practitioners? The interface between the RRT and those who call the RRT is crucial. This survey shows that RRT users desire to be included in the management of the deteriorating patient and have their concerns addressed before completion of RRT attendance. Failure to do so results in repeat activations to the same patient, with the potential for adverse patient outcomes. Training to include NTS, especially around handover, for RRT members may address this issue and should be explored further. PMID- 29224613 TI - An Elderly Physician's Plea. PMID- 29224614 TI - The Reply. PMID- 29224615 TI - Does Digital Rectal Examination Reduce Subsequent Hospitalizations and Endoscopies or Vice Versa? PMID- 29224616 TI - Does Digital Rectal Examination Predict Hospital Admission and Resource Utilization Rate in Patients with Acute Gastrointestinal Bleeding with Bright Red Blood Per Rectum? PMID- 29224617 TI - Will Physicians Stop Performing Physical Examinations? PMID- 29224619 TI - Physicians Should Always Perform a Physical Examination. PMID- 29224618 TI - The Reply. PMID- 29224620 TI - Exploring Trichoderma and Aspergillus secretomes: Proteomics approaches for the identification of enzymes of biotechnological interest. AB - Filamentous fungal secretomes comprise highly dynamic sets of proteins, including multiple carbohydrate active enzymes (CAZymes) which are able to hydrolyze plant biomass polysaccharides into products of biotechnological interest such as fermentable sugars. In recent years, proteomics has been used to identify and quantify enzymatic and non-enzymatic polypeptides present in secretomes of several fungi species. The resulting data have widened the scientific understanding of the way filamentous fungi perform biomass degradation and offered novel perspectives for biotechnological applications. The present review discusses proteomics approaches that have been applied to the study of fungal secretomes, focusing on two of the most studied filamentous fungi genera: Trichoderma and Aspergillus. PMID- 29224621 TI - Functional expression enhancement of Bacillus pumilus CotA-laccase mutant WLF through site-directed mutagenesis. AB - Bacterial laccases are potential enzymes for biotechnological applications, such as detoxification of industrial effluents, decolorization of textile, and dimerization of phenolic acids, due to their remarkable advantages, including broad substrate spectrum, high thermostability, wide pH scope, and tolerance to alkaline environments. L386W/G417L/G57F (abbreviated as WLF), a good mutant of CotA-laccase from Bacillus pumilus W3, has been constructed and reported by our laboratory with highly improved catalytic efficiency. However, the low-functional expression level of mutant WLF in Escherichia coli was a shortcoming. Three mutants, namely, K317N/WLF, D501G/WLF, and K317N/D501G/WLF, were constructed through site-directed mutagenesis to improve the functional expression of WLF in this study. The soluble and active expression of D501G/WLF and K317N/D501G/WLF in E. coli enhanced 4.48-fold and 3.63-fold level, respectively. The K317N/WLF failed to increase the soluble expression level, but slightly improved the stability of CotA-laccase. Results showed that not only the position 501 is significant for functional expression of B. pumilus W3 CotA, but also these mutants still remained its high thermostability, resistance of alkaline with salt, and conspicuous decolorizing efficiency. This work is the first to improve the soluble expression of B. pumilus CotA-laccase in E. coli by site-directed mutagenesis. The D501G/WLF and K317N/D501G/WLF will be suitable candidates for biotechnological applications. PMID- 29224622 TI - Increased activity of beta-glucuronidase variants produced by site-directed mutagenesis. AB - beta-glucuronidase (BGus) is an essential glycosyl hydrolase which has been widely used in biological and biomedical applications. In this paper, we report the construction and screening of nineteen Escherichia coli BGus (EBGus) mutants using site-directed mutagenesis. The mutants G559N, G559S and G559T showed a 3-5 fold increase in enzyme activity in comparison to wild type EBGus. In particular, G559S, with the highest activity, showed 2-6 fold enhanced activity compared to abalone and snail BGus extracts. Moreover, the glycine to serine mutagenesis for the same site in Staphylococcus sp. RLH1 BGus (StBGus) exhibited significantly enhanced activity, which indicated the importance of the G559->S mutation on BGus function. Based on this structural analysis, we postulate that the mutation at G559 plays an important role in the stabilization of the enzyme conformation, and thereby facilitates the effective binding of substrate. PMID- 29224623 TI - Deactivation and activation of lignocellulose degrading enzymes in the presence of laccase. AB - Cellulase and hemicellulase activities in a 1:1 ratio of enzymes extracted from Chrysoporthe cubensis and Penicillium pinophilum were evaluated in the presence of known monocomponent phenolic inhibitors and also with phenol mixtures derived from alkali pretreated sugarcane bagasse. The cellulolytic activities from C. cubensis:P. pinophilum displayed a much higher tolerance to phenolic inhibitors than equivalent enzyme activities obtained from Trichoderma reesei and Aspergillus niger. Enzymes from T. reesei and A. niger were deactivated at 0.3 and 1.5mg phenols/mg protein, respectively, as reported previously, while enzymes from C. cubensis:P. pinophilum resisted deactivation at 35mg phenols/mg protein. However, tolerance of xylanase with respect to phenols required the presence of laccase. Removal of laccase (enzyme) activity using sodium azide resulted in a 2x higher xylanase deactivation (from 40% to 80%). This paper identifies enzymes that are phenol tolerant, and whose adoption for lignocellulose hydrolysis could contribute to reductions in enzyme loading needed to hydrolyze alkali pretreated lignocellulosic substrates in the presence of lignin derived phenols. PMID- 29224624 TI - Baeyer-Villiger monooxygenases from Yarrowia lipolytica catalyze preferentially sulfoxidations. AB - Nine new putative Baeyer-Villiger monooxygenase encoding genes were identified in the eukaryote Yarrowia lipolytica and eight were subsequently cloned and expressed. These enzymes, Yarrowia monooxygenases A-H (YMOA-H), were used in biocatalysis reactions with ketones, sulfides and sulfoxides as substrates. YMOB converts ketones and sulfides, albeit with low activities. However, YMOA did not convert any of the tested ketone substrates, but showed activity towards sulfides and sulfoxides and also showed very high stereoselectivity. This enzyme produced high amounts of sulfones and even converted dimethylsulfoxide (DMSO). Therefore, the sulfoxidation activity of YMOA was investigated in a mutational study. Variants with increased and reduced sulfone yields were created, indicating relevant amino acid positions for the control of sulfoxidation activity. This work expands the set of eukaryotic BVMOs and explores the Yarrowia monooxygenase A, which might belong to a new class of BVMOs as indicated by its unique activity and a phylogenetic analysis. PMID- 29224625 TI - Peroxidase chemically attached on polymeric micelle and its reaction with phenolic compounds. AB - Horseradish peroxidase was chemically modified with comb-shaped polymaleic anhydride-alt-1-tetradecene (PMA-TD) in microemulsion systems to produce surface active peroxidase that has capability to form micellar structures in aqueous solutions and can be concentrated at liquid/liquid interfaces without unfolding of the enzyme. For chemical modification oil-in-water (O/W) and water-in-oil (W/O) microemulsion systems composed of n-butyl acetate and a buffer solution were prepared because n-butyl acetate turned out to be less detrimental to the activity of peroxidase at high degree of modification compared to other organic solvents. The modification degree of amine groups on the surface of peroxidase by maleic anhydride groups on PMA-TD was reached at equilibrium after 1h reaction at 0 degrees C, and 42% of amine groups were modified with 7-fold amount of PMA-TD to peroxidase (wt/wt). The activity of the PMA-TD-modified peroxidase measured with 2,4-dichlorophenol at pH 7.0 was increased by approximately 2-fold compared to native peroxidase. There was no significant shift in optimum pH after modification, and optimum pH measured with 2,4-dichlorophenol was observed at pH 7.0. For all six phenolic compounds tested, there was a significant increase in the reaction efficiency with the PMA-TD-modified peroxidase. The remarkable enhancement of the reaction efficiency by the modification was presumably because of micellar structures of PMA-TD that could concentrate hydrophobic phenolic oligomers into the core of the micelles. Overall, horseradish peroxidase chemically attached to the surface of PMA-TD micelles was found to be significantly effective for the oxidative polymerization of phenolic compounds. PMID- 29224626 TI - Development of a bacterial propionate-biosensor for anaerobic digestion monitoring. AB - Monitoring anaerobic digestion (AD) leachate for changes in acetate and propionate concentrations is essential for effective AD operation. In this paper the development of a novel propionate cell-based biosensor is described. A previously designed E. coli mutant (IMD Wldgy) that could selectively determine acetate concentrations in synthetic leachates, based on oxygen uptake measurements, was used as a starting point in the development of a propionate biosensor. However, the propionate-grown IMD Wldgy cells exhibited extremely low propionate:acetate O2 consumption ratios (1:2.4). Screening for alternative propionate-grown E. coli strains naturally possessing a more favourable propionate:acetate O2 consumption ratio identified strain IMD 1, which exhibited a positive ratio (1.6:1). To improve the selectivity of the strain, successive gene knockouts were performed generating the IMD 1 hldgyep mutant. However, propionate-grown IMD 1hdlgyep's O2 consumption ratio was deemed too low to be considered as a propionate detecting bio-element. It was reasoned that the mechanisms by which E. coli activates acetate had to be removed. Deleting acs (acetyl-CoA synthesase) and ackA (acetate kinase) from IMD Wldgyep, resulted in an E. coli IMD Wldgyepak knockout mutant that, when grown on propionate, produced a mean propionate:acetate O2 consumption ratio of approx. 13:1. The resulting IMD Wldgyep and IMD Wldgyepak strains, which formed the acetate- and propionate biosensor, respectively, were capable of detecting acetate and propionate concentrations ranging from 0.05mM to 4.5mM within two-phase AD synthetic leachates. PMID- 29224627 TI - Metabolic engineering of Escherichia coli for acetaldehyde overproduction using pyruvate decarboxylase from Zymomonas mobilis. AB - For the sustainable production of acetaldehyde, a key raw-material for a large number of chemical products, microbial production is a promising alternative. We have engineered an Escherichia coli strain for acetaldehyde production from glucose by introducing the pyruvate decarboxylase (Pdc) from Zymomonas mobilis and NADH oxidase (Nox) from Lactococcus lactis. Acetaldehyde production was systematically improved by knocking out the competing metabolic pathways. Multiple knockout strains were created and a final acetaldehyde titre of 0.73g/L was achieved using a quadruple knockout strain E. coli MC4100 DeltaadhE DeltaldhA DeltafrdC DeltaackA-pta. In addition to acetaldehyde, about 0.37g/L acetoin was produced by these strains due to the additional carboligase activity exhibited by pyruvate decarboxylase resulting in a total carbon yield of 0.27g/g glucose. PMID- 29224628 TI - Co-immobilization of enoate reductase with a cofactor-recycling partner enzyme. AB - Herein we established co-immobilized methods for enoate reductases (ERs) and glucose dehydrogenase (GDH), forming a cofactor regeneration system. In cross linked enzyme aggregates (CLEAs), ammonium sulfate and oxidized dextran were selected as a precipitant and a cross-linker, respectively. In biomimetic immobilization (BI), ER-GDH-silica particles (ER-GDH-SPs) were rapidly formed through a one-step approach by using a silicic acid precursor. Under the optimal conditions, the ER activity recovery in ER-GDH-CLEAs and ER-GDH-SPs were 44.9+/ 1.8% and 44.5+/-2.1%, and the immobilization efficiency was 93.5+/-1.2% and 92.4+/-1.2%, respectively. ER-GDH-CLEAs and ER-GDH-SPs exhibit excellent thermal and pH stability, and superior reusability. The activity of ER-GDH-SPs toward the substrate is also better than that of free ER and GDH in reduction of 4-(4 Methoxyphenyl)-3-buten-2-one. This study introduces simple and inexpensive co immobilization strategies to construct novel and efficient ER-GDH-CLEAs and ER GDH-SPs with high activity and stability. PMID- 29224629 TI - Heterologous expression and characterization of a putative glycoside hydrolase family 43 arabinofuranosidase from Clostridium thermocellum B8. AB - An extensive list of putative cellulosomal enzymes from C. thermocellum is now available in the public databanks, however, most of these remain unvalidated with regard to their activity and expression control mechanisms. This is particularly true of those enzymes putatively involved in hemicellulose deconstruction. Our research group has been working on mapping and characterization of glycoside hydrolases produced by C. thermocellum B8, that are critical for lignocellulosic biomass deconstruction. One of the identified genes expressed during growth on sugar cane bagasse and straw is axb8, which encodes a putative cellulosomal GH43_29 alpha-arabinofuranosidase (EC 3.2.1.55) that has not previously been characterized at the molecular or kinetic levels. The AxB8 predicted amino acid sequence presented GH43 and dockerin domains, as well as a family 6 carbohydrate binding module (CBM6). Also, it is a close homologue of Firmicutes putatives alpha-arabinofuranosidases, including cellulosomal proteins. Multiple alignment analysis grouped AxB8 in a cluster with four uncharacterized putative GH43_29 subfamily enzymes, all containing dockerin type I domain and CBM6 modules. Purified heterologously expressed AxB8 showed activity against the synthetic substrates pNPX (p-nytrophenyl-beta-d-xylopyranoside) and pNPA (p-nytrophenyl alpha-l-arabinofuranoside), as well as against the natural substrate wheat arabinoxylan (WAX), with maximal activity at 50 degrees C and pH between 5.0 and 6.0. The WAX degradation profile by AxB8 is different from those typically seen for alpha-arabinofuranosidases, presenting mainly xylose as a hydrolysis product, instead of arabinose. In addition, unlike other GH43_29 enzymes already characterized, AxB8 did not present activity against arabinan. Kinetic parameters using pNPA as a substrate were Km of 23+/-3mM and kcat of 104+/-7s-1. Despite its activity against pNPX, we did not observe AxB8 saturation with this substrate. AxB8 is the first member in its clade to be characterized regarding kinetic parameters, and together with its closest homologues could represent a large group of glycoside hydrolases with particular properties within the GH43_29 subfamily. PMID- 29224630 TI - TIME in the Context of Emerging Evidence Regarding Training Interventions for Dementia in Nursing Homes. PMID- 29224631 TI - Treatment outcomes of rifabutin-containing regimens for rifabutin-sensitive multidrug-resistant pulmonary tuberculosis. AB - OBJECTIVES: The aim of this study was to evaluate whether rifabutin can improve treatment outcomes in patients with rifabutin-sensitive MDR-TB. METHODS: A retrospective cohort study was performed on 76 patients with rifabutin-sensitive MDR-TB who were treated with or without rifabutin between 2006 and 2011. RESULTS: Overall, 75% (57/76) of patients achieved favorable outcomes, including cure (53/76, 70%) and treatment completion (4/76, 5%). In contrast, 25% (19/76) had unfavorable treatment outcomes, which included treatment failure (6/76, 8%), death (2/76, 3%), loss to follow-up (4/76. 5%), and no evaluation due to transfer to other institutions (7/76, 9%). Rifabutin was given to 52 (68%) of the 76 patients with rifabutin-sensitive MDR-TB. Although favorable treatment outcomes were more frequent in patients who received rifabutin [81% (42/52)] than in those who did not receive rifabutin [63% (15/24)], this difference was not statistically significant (P=0.154). However, in multivariable regression logistic analysis, use of rifabutin was significantly associated with favorable treatment outcomes in patients with rifabutin-sensitive MDR-TB (adjusted odds ratio=9.80, 95% confidence interval=1.65-58.37, P=0.012). CONCLUSIONS: These results suggest that the use of rifabutin can improve treatment outcomes in patients with rifabutin-sensitive MDR-TB. PMID- 29224632 TI - Pharmacy Practice and Diabetes Care. PMID- 29224633 TI - Over-the-Counter Medicines and Diabetes Care. AB - OBJECTIVES: People with diabetes turn to over-the-counter (OTC) medicines for many ailments. The focus of this brief review is the impact common OTC medicines might have on this group of patients. METHODS: Three types of OTC medicines were selected as most deserving of attention: 3 herbal agents, nonsteroidal anti inflammatory drugs (NSAIDs) and cough/cold products. Existing literature was used to determine precautions that might be in order. RESULTS: Herbal/natural agents with the potential to impact blood sugar have been identified in various reports. In discussing 3, glucosamine and cinnamon (at doses recommended on commercial products) should have minimal impact on diabetic management, whereas St. John's wort is a concern involving potential drug interactions. For colds, of about 11 active ingredients, only decongestants (primarily oral) need be considered for their possible effects on blood sugar. Finally, NSAIDs (even at OTC doses) must be used with caution, given their cardiovascular, renal and gastrointestinal risks. Care guidelines do encourage patients to take ownership of their condition. Yet the ability to self-medicate safely is not a certainty. In spite of easy access and a reasonable level of safety, OTC medicines still can negatively impact a user. NSAIDs available without prescription continue to cause concern. CONCLUSIONS: Before the use of any medicine, a person must ensure it will be safe. A health-care provider can be asked for assistance, but that option may not always be employed. Package information is there to provide critical information in lieu of that, something the self-medicating patient will, it is hoped, embrace. PMID- 29224634 TI - Creation of a Diabetes Pharmacists Network in Canada. PMID- 29224635 TI - Community Pharmacists' Perspectives of a Decision Aid for Managing Type 2 Diabetes in Ontario. AB - OBJECTIVES: Decision aids are tools designed to help patients make choices about their health care. We explored pharmacists' perceptions of an evidence-based diabetes decision aid developed by the Mayo Clinic, Diabetes Medication Choice (DMC). Using DMC as a reference, we aimed to explore pharmacists' perspectives on decision aids, their place in a community pharmacy setting and the implementing of a decision aid, such as DMC, in Ontario. METHODS: We used semistructured interviews with a convenience sample of community pharmacists from Ontario. We applied a thematic analysis to the data. RESULTS: We conducted 16 interviews with pharmacists, of whom 9 were certified diabetes educators, and 10 were female. Three themes emerged from the data: pharmacists' knowledge and awareness of decision aids; pharmacists' perceptions of the DMC decision aids, and implementation of the DMC decision aids in Ontario pharmacies. Participants discussed their limited experience with and training in the use of decision aids. Although many participants agreed that the DMC decision aids may contribute to patient-centred care, all agreed that significant changes were needed to be made to implement this tool in practice. CONCLUSIONS: Pharmacists felt that the use of decision aids in community pharmacies in Ontario may improve patient-centred care. Modifications, however, are needed to improve the applicability to their context and fit into their workflow. Empirical data concerning the impact of decision aids in community pharmacy is needed. PMID- 29224636 TI - Effects of Pharmacy-Based Interventions on the Control and Management of Diabetes in Adults: A Systematic Review and Meta-Analysis. AB - OBJECTIVES: The aim of this systematic review and meta-analysis was to evaluate the effects of pharmacy-based interventions on clinical outcomes associated with diabetes-related complications as well as on nonclinical outcomes in people with diabetes. METHODS: We searched 4 main databases (MEDLINE, EMBASE, CINAHL and Cochrane Central Register of Controlled Trials) for studies that considered clinical and nonclinical outcomes of pharmacy-based interventions among people with diabetes. Clinical outcomes included patients' mean reductions of glycated hemoglobin (A1C) levels and body mass indexes (BMIs). Nonclinical outcomes included patients' healthcare utilization and quality of life. A meta-analysis was conducted to estimate the pooled net mean difference in clinical outcomes between the pharmacy-intervention and the control groups. RESULTS: Of the 44 studies included in the systematic review, 32 studies reported results from randomized controlled trials measuring reductions of A1C levels in 4,132 patients. Meta-analysis revealed that the standardized absolute mean difference in reduction of A1C levels from baseline to the time of the last follow up significantly favoured the pharmacy intervention versus the control group (0.96%; 95% CI 0.71 to 1.22; p<0.001). Of the studies, 13 reported BMI kg/m2 in 1,827 patients. The estimation of standardized absolute mean difference in reduction of BMI unit calculated through meta-analysis was 0.61 (95% CI 0.20 to 1.03; p=0.000) in favour of the pharmacy-intervention group. CONCLUSIONS: Pharmacy-based interventions have significant positive effects on controlling 2 major risks factors associated with diabetes-related complications: A1C levels and BMI. However, there is a dearth of evidence about the effects of pharmacy-based intervention on nonclinical outcomes, including healthcare utilization and quality of life. PMID- 29224637 TI - Valve hemodynamic deterioration and cardiovascular outcomes in TAVR: A report from the STS/ACC TVT Registry. AB - BACKGROUND: Recent reports of leaflet abnormalities (detected using advanced imaging) have raised questions regarding transcatheter aortic valve replacement (TAVR) durability. We sought to determine the incidence of valve hemodynamic deterioration (VHD) and its association with cardiovascular outcomes. METHODS AND RESULTS: Consecutive cases with paired postimplant and follow-up echocardiograms from November 2011 to March 2015 in the STS/ACC TVT Registry were allocated into 2 overlapping cohorts: early (paired echocardiograms at 0 and 30 days) and late (paired echocardiograms at 30 days and 1 year). VHD was defined as an increase in mean aortic valve gradient >=10 mm Hg. Eighteen-month cardiovascular outcomes were determined via linkage with Centers for Medicare & Medicaid Services claims. Backwards selection logistic regression was performed to determine predictors of VHD. Among 10,099 TAVRs with paired echocardiograms, the median age was 84 years and 48.7% were female, with Society of Thoracic Surgeons score distributions of <8% (61.7%), 8%-15% (28.8%), and >15% (9.5%). The incidence of VHD was 2.1% in the early cohort and 2.5% in the late cohort. There was no significant difference between those with and without VHD in either cohort in the combined end point of death/stroke/aortic valve reintervention or heart failure hospitalization or myocardial infarction. Independent predictors of VHD included chronic lung disease, valve-in-valve procedure, 23-mm TAVR valve, severe patient-prosthesis mismatch, increasing body mass index, and increasing baseline aortic valve gradient. CONCLUSIONS: The incidence of VHD in US clinical practice is low, and VHD is not associated with increased cardiovascular events at 18 months. Patient and procedural predictors may help to identify patients at risk for VHD in whom surveillance or preventive strategies may be considered. PMID- 29224638 TI - Predictors of perioperative major bleeding in patients who interrupt warfarin for an elective surgery or procedure: Analysis of the BRIDGE trial. AB - BACKGROUND: The use of low-molecular weight heparin bridge therapy during warfarin interruption for elective surgery/procedures increases bleeding. Other predictors of bleeding in this setting are not well described. METHODS: BRIDGE was a randomized, double-blind, placebo-controlled trial of bridge therapy with dalteparin 100 IU/kg twice daily in patients with atrial fibrillation requiring warfarin interruption. Bleeding outcomes were documented from the time of warfarin interruption until up to 37 days postprocedure. Multiple logistic regression and time-dependent hazard models were used to identify major bleeding predictors. RESULTS: We analyzed 1,813 patients of whom 895 received bridging and 918 received placebo. Median patient age was 72.6 years, and 73.3% were male. Forty-one major bleeding events occurred at a median time of 7.0 days (interquartile range, 4.0-18.0 days) postprocedure. Bridge therapy was a baseline predictor of major bleeding (odds ratio [OR]=2.4, 95% CI: 1.2-4.8), as were a history of renal disease (OR=2.9, 95% CI: 1.4-6.0), and high-bleeding risk procedures (vs low-bleeding risk procedures) (OR=2.9, 95% CI: 1.4-5.9). Perioperative aspirin use (OR=3.6, 95% CI: 1.1-11.9) and postprocedure international normalized ratio >3.0 (OR=2.1, 95% CI: 1.5-3.1) were time-dependent predictors of major bleeding. Major bleeding was most common in the first 10 days compared with 11-37 days postprocedure (OR=3.5, 95% CI: 1.8-6.9). CONCLUSIONS: In addition to bridge therapy, perioperative aspirin use, postprocedure international normalized ratio >3.0, a history of renal failure, and having a high-bleeding risk procedure increase the risk of major bleeding around the time of an elective surgery/procedure requiring warfarin interruption. PMID- 29224639 TI - A multinational clinical approach to assessing the effectiveness of catheter based ultrasound renal denervation: The RADIANCE-HTN and REQUIRE clinical study designs. AB - Catheter-based renal denervation is a new approach to treat hypertension via modulation of the renal sympathetic nerves. Although nonrandomized and small, open-label randomized studies resulted in significant reductions in office blood pressure 6months after renal denervation with monopolar radiofrequency catheters, the first prospective, randomized, sham-controlled study (Symplicity HTN-3) failed to meet its blood pressure efficacy end point. New clinical trials with new catheters have since been designed to address the limitations of earlier studies. Accordingly, the RADIANCE-HTN and REQUIRE studies are multicenter, blinded, randomized, sham-controlled trials designed to assess the blood pressure lowering efficacy of the ultrasound-based renal denervation system (Paradise) in patients with established hypertension either on or off antihypertensive medications, is designed to evaluate patients in 2 cohorts-SOLO and TRIO, in the United States and Europe. The SOLO cohort includes patients with essential hypertension, at low cardiovascular risk, and either controlled on 1 to 2 antihypertensive medications or uncontrolled on 0 to 2 antihypertensive medications. Patients undergo a 4-week medication washout period before randomization to renal denervation (treatment) or renal angiogram (sham). The TRIO cohort includes patients with hypertension resistant to at least 3 antihypertensive drugs including a diuretic. Patients will be stabilized on a single-pill, triple-antihypertensive-drug combination for 4weeks before randomization to treatment or sham. Reduction in daytime ambulatory systolic blood pressure (primary end point) will be assessed at 2months in both cohorts. A predefined medication escalation protocol, as needed for blood pressure control, is implemented between 2 and 6months in both cohorts by a study staff member blinded to the randomization process. At 6months, daytime ambulatory blood pressure and antihypertensive treatment score will be assessed. REQUIRE is designed to evaluate patients with resistant hypertension on standard of care medication in Japan and Korea. Reduction in 24-hour ambulatory systolic blood pressure will be assessed at 3months (primary end point). Both studies are enrolling patients, and their results are expected in 2018. PMID- 29224640 TI - Return to the workforce following infective endocarditis-A nationwide cohort study. AB - BACKGROUND: The ability to return to work after infective endocarditis (IE) holds important socioeconomic consequences for both patients and society, yet data on this issue are sparse. We examined return to the workforce and associated factors in IE patients of working age. METHODS: Using Danish nationwide registries, we identified 1,065 patients aged 18-60 years with a first-time diagnosis of IE (1996-2013) who were part of the workforce prior to admission and alive at discharge. RESULTS: One year after discharge, 765 (71.8%) patients had returned to the workforce, 130 (12.2%) were on paid sick leave, 76 (7.1%) received disability pension, 23 (2.2%) were on early retirement, 65 (6.1%) had died, and 6 (0.6%) had emigrated. Factors associated with return to the workforce were identified using multivariable logistic regression. Younger age (18-40 vs 56-60 years; odds ratio, 2.85; 95% CI, 1.71-4.76) and higher level of education (higher educational level vs basic school; 5.47, 2.05-14.6) and income (highest quartile vs lowest; 3.17, 1.85-5.46) were associated with return to the workforce. Longer length of hospital stay (>90 vs 14-30 days; 0.16, 0.07-0.38); stroke during IE admission (0.38, 0.21-0.71); and a history of chronic kidney disease (0.29, 0.11 0.75), chronic obstructive pulmonary disease (0.31, 0.13-0.71), and malignancy (0.39, 0.22-0.69) were associated with a lower likelihood of returning to the workforce. CONCLUSIONS: Seven of 10 patients who were part of the workforce prior to IE and alive at discharge were part of the workforce 1 year later. Younger age, higher socioeconomic status, and absence of major comorbidities were associated with return to the workforce. PMID- 29224641 TI - Design of a bilevel clinical trial targeting adherence in heart failure patients and their providers: The Congestive Heart Failure Adherence Redesign Trial (CHART). AB - BACKGROUND: Socioeconomically disadvantaged patients are at an increased risk for adverse heart failure (HF) outcomes based upon nonadherence to medications and diet. Physicians are also suboptimally adherent to prescribing evidence-based therapy for HF. METHODS: Congestive Heart Failure Adherence Redesign Trial (CHART) (NCT01698242) is a multicenter, bilevel, cluster randomized behavioral efficacy trial designed to assess the impact of intervening simultaneously on physicians and their socioeconomically disadvantaged patients (annual income <$30,000) having HF with reduced ejection fraction. Treatment arm physicians received individualized feedback on their adherence to prescribing evidence-based therapy. Their patients received weekly home visits from community health workers aimed at promoting understanding of HF and integrating adherence into daily life. Control arm physicians received regular updates on advances in HF management, and patients received monthly HF educational tip sheets produced by the American Heart Association. The primary outcome was all-cause hospital days over 30 months. RESULTS: A total of 72 physicians (treatment, 35; control, 37) and their 320 patients (treatment, 157; control, 163) were recruited within 2 years. Randomization of physicians with all of their patients being assigned to the same arm was feasible and did not compromise the comparability of patients by arm. Using 5 recruiting hospitals located within disadvantaged neighborhoods produced a cohort that was primarily African American and representative of low-income urban patients with HF with reduced ejection fraction. CONCLUSION: CHART will determine the value of intervening on low adherence simultaneously in physicians and their socioeconomically disadvantaged patients in reducing all-cause hospitalization days. PMID- 29224642 TI - Drug-induced cardiac abnormalities in premature infants and neonates. AB - The Cardiac Safety Research Consortium (CSRC) is a transparent, public-private partnership that was established in 2005 as a Critical Path Program and formalized in 2006 under a Memorandum of Understanding between the United States Food and Drug Administration and Duke University. Our continuing goal is to advance paradigms for more efficient regulatory science related to the cardiovascular safety of new therapeutics, both in the United States and globally, particularly where such safety questions add burden to innovative research and development. This White Paper provides a summary of discussions by a cardiovascular committee cosponsored by the CSRC and the US Food and Drug Administration (FDA) that initially met in December 2014, and periodically convened at FDA's White Oak headquarters from March 2015 to September 2016. The committee focused on the lack of information concerning the cardiac effects of medications in the premature infant and neonate population compared with that of the older pediatric and adult populations. Key objectives of this paper are as follows: Provide an overview of human developmental cardiac electrophysiology, as well as the electrophysiology of premature infants and neonates; summarize all published juvenile animal models relevant to drug-induced cardiac toxicity; provide a consolidated source for all reported drug-induced cardiac toxicities by therapeutic area as a resource for neonatologists; present drugs that have a known cardiac effect in an adult population, but no reported toxicity in the premature infant and neonate populations; and summarize what is not currently known about drug-induced cardiac toxicity in premature infants and neonates, and what could be done to address this lack of knowledge. This paper presents the views of the authors and should not be construed to represent the views or policies of the FDA or Health Canada. PMID- 29224643 TI - Implications of the FDA approval of PCSK9 inhibitors and FOURIER results for contemporary cardiovascular practice: An NCDR Research to Practice (R2P) project. PMID- 29224644 TI - The Aortic Valve replAcemenT versus conservative treatment in Asymptomatic seveRe aortic stenosis (AVATAR trial): A protocol update. PMID- 29224645 TI - Global geographical variation in patient characteristics in percutaneous coronary intervention clinical trials: A systematic review and meta-analysis. AB - BACKGROUND: We sought to determine whether there are differences in enrolled patients' risk factors in published percutaneous coronary intervention (PCI) trials between various continents. METHODS: We systematically identified clinical trials evaluating PCI interventions through PubMed. We reviewed 701 studies between 1990 and 2014 from North America (N=135), Europe (N=403), and Asia (N=163), examining the prevalence of cardiovascular risk factors-hypertension (HTN), diabetes mellitus (DM), hyperlipidemia (HL), smoking, sex, and body mass index. We performed meta-regression with random- and mixed-effects models to compare patient baseline characteristics between continents and linear meta regression analysis to test trends over time. RESULTS: In meta-regression with random-effects model, North American trials recruited the lowest proportion of male participants (71.32%), followed by Asian (74.41%) and European trials (76.47%; P<.0001). North American trials enrolled the highest proportion of patients with HTN (63.17%, P=.0035) and HL (63.72%, P<.0001), whereas Asia enrolled the highest proportion of DM patients (29.64%, P<.0001) and smoking (38.41%, P=.0144). When adjusting for other moderators such as publication date, body mass index, and sex in meta-regression with mixed-effects model, age was significantly positively correlated with HTN, HL, DM, and smoking (P<.001). Body mass index was significantly higher in Europe and North America than in Asia. All enrollment risk factors demonstrated (beta<0.02) statistically significant temporal trends over time, except for sex. CONCLUSIONS: There are major continental differences in risk factors among patients enrolled in PCI trials from various continents. Clinical trial results may not be applicable to patient populations from another region. PMID- 29224646 TI - Association of insurance type with receipt of oral anticoagulation in insured patients with atrial fibrillation: A report from the American College of Cardiology NCDR PINNACLE registry. AB - BACKGROUND: It is poorly understood whether insurance type may be a major contributor to the underuse of oral anticoagulation (OAC) among patients with atrial fibrillation (AF), particularly for novel oral anticoagulants (NOACs). METHODS: We performed a retrospective cohort registry study of patients with insurance, AF, CHA2DS2-VASc >=2, and at least one outpatient encounter recorded in the ACC NCDR's PINNACLE Registry between January 1, 2011 and December 31, 2014. We used hierarchical regression, adjusting for patient characteristics and clustering by physician, to evaluate the association of insurance type (Private, Military, Medicare, Medicaid, Other) with receipt of OAC (any OAC, warfarin, or NOAC). RESULTS: In 363,309 patients (age 75+/-10; 48% female), we found a significant difference in proportions of OAC and NOAC prescription across insurance types (OAC: Military 53%, Private 53%, Medicare 52%, Other 41%, Medicaid 41%, P<.001; NOAC: Military 24%, Private 19%, Medicare 17%, Other 17%, Medicaid 8%, P<.001). After adjustment for patient characteristics and facility, private, Medicaid, and other insurance were independently associated with a lower odds of OAC prescription relative to Medicare, but military insured patients were not significantly different. After adjustment, military and private insurance were independently associated with a higher odds of NOAC prescription relative to Medicare, while Medicaid and other insurance were associated with a lower odds of NOAC prescription. CONCLUSIONS: In a contemporary US AF population, there was significant variation of OAC prescription across insurance plans, with the highest among private and Medicare insured patients. These differences may indicate that insurance plan, and its associated pharmacy benefits, affect the pace of diffusion of new therapies. PMID- 29224647 TI - Mineralocorticoid receptor antagonists in patients with acute myocardial infarction - A systematic review and meta-analysis of randomized trials. AB - BACKGROUND: Although mineralocorticoid antagonists (MRAs) reduce mortality in patients with heart failure complicating myocardial infarction (MI), it is unclear if they could be beneficial to all patients with MI. To evaluate the utility of MRAs in MI patients, we performed a systematic review and meta analysis. METHODS: MEDLINE, EMBASE, and Cochrane CENTRAL were searched from 1965 to June 2016. Conference abstracts were searched from 2000 to June 2016. Randomized trials evaluating the effect of MRA after MIs were included. Two reviewers independently extracted data and assessed study quality. Data were combined using fixed-/random-effects models. RESULTS: Eleven randomized clinical trials (N = 11,258) were included; 1 trial (N = 6,642) included patients with apparent heart failure (Killip class III-IV). Administration of MRA versus placebo or standard therapy (no-MRA) after MI reduced overall and cardiovascular mortality (odds ratio [OR] 0.82, 95% CI 0.73-0.93, P = .002, and OR 0.82, 95% CI 0.71-0.93, P = .003, respectively; I2 for both = 0%). In the subgroup of trials with patients with heart failure, the mortality was 14.4% in MRA group versus 16.7% in no-MRA group (OR 0.84, 95% CI 0.73-0.96), and among those without heart failure, it was 2.5% with MRA versus 3.5% without MRA (OR 0.72, 95% CI 0.51-1.02, P for interaction = .43). Patients receiving MRA had fewer new or worsening heart failure events (OR 0.74, 95% CI 0.66-0.84, P < .0001; I2 = 14%). Nevertheless, MRA therapy increased risk for hyperkalemia (>=5.5 mmol/L) (OR 2.52, 95% CI 1.36 4.65, P = .003; I2 = 63%). CONCLUSIONS: Administration of MRA may reduce mortality after acute MI. However, this is largely based on post-MI patients with heart failure. Further data are needed in MI patients without heart failure. PMID- 29224648 TI - Effect of high-dose oral multivitamins and minerals in participants not treated with statins in the randomized Trial to Assess Chelation Therapy (TACT). AB - IMPORTANCE: In a prespecified subgroup analysis of participants not on statin therapy at baseline in the TACT, a high-dose complex oral multivitamins and multimineral regimen was found to have a large unexpected benefit compared with placebo. The regimen tested was substantially different from any vitamin regimen tested in prior clinical trials. OBJECTIVE: To explore these results, we performed detailed additional analyses of participants not on statins at enrollment in TACT. DESIGN: TACT was a factorial trial testing chelation treatments and a 28-component high-dose oral multivitamins and multiminerals regimen versus placebo in post-myocardial infarction (MI) patients 50 years or older. PARTICIPANTS: There were 460 (27%) of 1,708 TACT participants not taking statins at baseline, 224 (49%) were in the active vitamin group and 236 (51%) were in the placebo group. SETTING: Patients were enrolled at 134 sites around the United States and Canada. INTERVENTION: Daily high-dose oral multivitamins and multiminerals (6 tablets, active or placebo). MAIN OUTCOME: The primary end point of TACT was time to the first occurrence of any component of the composite end point: all-cause mortality, MI, stroke, coronary revascularization, or hospitalization for angina. RESULTS: The primary end point occurred in 137 nonstatin participants (30%), of which 51 (23%) of 224 were in the active group and 86 (36%) of 236 were taking placebo (hazard ratio, 0.62; 95% confidence interval, 0.44-0.87; P=.006). Results in the key TACT secondary end point, a combination of cardiovascular mortality, stroke, or recurrent MI, was consistent in favoring the active vitamin group (hazard ratio, 0.46; 95% confidence interval, 0.28-0.75; P=.002). Multiple end point analyses were consistent with these results. CONCLUSION AND RELEVANCE: High-dose oral multivitamin and multimineral supplementation seem to decrease combined cardiac events in a stable, post-MI population not taking statin therapy at baseline. These unexpected findings are being retested in the ongoing TACT2. PMID- 29224649 TI - Efficacy and safety of potent platelet P2Y12 receptor inhibitors in elderly versus nonelderly patients with acute coronary syndrome: A systematic review and meta-analysis. AB - BACKGROUND: The use of the potent oral P2Y12 inhibitors prasugrel and ticagrelor in patients with acute coronary syndromes (ACS) has a favorable net clinical effect compared with clopidogrel and is recommended as first-line therapy. However, the impact of these agents on ischemic and bleeding events in elderly ACS patients is not well defined. METHODS: We performed a systematic review of articles comparing potent P2Y12 inhibitors to clopidogrel in elderly and nonelderly patients (defined according to each study) with ACS in terms of efficacy (composite of cardiovascular death, myocardial infarction, or stroke) and safety (major bleeding) end points. RESULTS: A total of 7,860 elderly and 37,857 nonelderly patients from 7 studies (5 randomized control trials and 2 observational studies) were included. Potent P2Y12 inhibitors significantly reduced efficacy end point in nonelderly patients (relative risk [RR] 0.85, 95% CI 0.79-0.93) and less so in elderly patients (RR 0.95, 95% CI 0.86-1.05). No significant differences were found between potent P2Y12 inhibitors and clopidogrel in terms of safety end point in both elderly (RR 1.19, 95% CI 0.95 1.49) and nonelderly patients (RR 1.16, 95% CI 0.95-1.41). There were no significant interactions between age and treatment effect in both analyses (efficacy Pint=.16; safety Pint=.83). CONCLUSIONS: The effect of more potent P2Y12 inhibitors compared with clopidogrel on efficacy and safety end points is consistent in elderly and younger patients. These data imply that potent P2Y12 inhibitors should not be withheld from eligible patients solely because of advanced age. PMID- 29224650 TI - Chocolate consumption and risk of atrial fibrillation: Two cohort studies and a meta-analysis. AB - BACKGROUND: Chocolate consumption has been inconsistently associated with risk of atrial fibrillation (AF). We investigated the association between chocolate consumption and risk of AF in Swedish adults from two cohort studies and conducted a meta-analysis to summarize available evidence from cohort studies on this topic. METHODS: Our study population comprised 40,009 men from the Cohort of Swedish Men and 32,486 women from the Swedish Mammography Cohort. Incident AF cases were ascertained through linkage with the Swedish National Patient Register. Published cohort studies of chocolate consumption in relation to risk of AF were identified by a PubMed search through September 14, 2017. RESULTS: During a mean follow-up of 14.6 years, AF was diagnosed in 9978 Swedish men and women. Compared with non-consumers, the multivariable hazard ratio of AF for those in the highest category of chocolate consumption (>=3-4 servings/week) was 0.96 (95% CI 0.88-1.04). In a random-effects meta-analysis of 5 cohort studies, including 180,454 participants and 16,356 AF cases, the hazard ratios of AF were 0.97 (95% CI 0.94-1.01) per 2 servings/week increase in chocolate consumption and 0.96 (95% CI 0.90-1.03) for the highest versus lowest category of chocolate consumption. CONCLUSION: Available data provide no evidence of an association of chocolate consumption with risk of AF. PMID- 29224651 TI - Role of Doppler echocardiography for cardiac output assessment in Fontan patients. AB - BACKGROUND: To determine (1) correlation between Doppler stroke volume index (SVI) and cardiac magnetic resonance imaging (CMRI) SVI and (2) association between Doppler SVI and Fontan-associated diseases (FAD) and Fontan failure. METHODS: Review of Fontan patients who underwent same-day CMRI and transthoracic echocardiography (TTE), 2005 to 2015. We defined FAD as cardiac thrombus, protein losing enteropathy, arrhythmia, and hospitalization for heart failure. Fontan failure was defined as Fontan conversion or revision, heart transplantation or listing, or death. RESULTS: Fifty-three patients with systemic left ventricle (LV) underwent 86 sets of TTE/CMRI. Mean (SD) age 31 (6) years. SVI (45 [16] vs 42 [13] mL/m2), CI (3.0 [1.1] vs 2.8 [0.8] L min-1 m-2), and ejection fraction (53 [4]% vs 51 [5]%) were similar for both modalities (P>.05 for all). Doppler SVI correlated with CMRI (r=0.68; P<.001). Sixteen patients had cirrhosis, and these patients had a higher CI (3.9 [0.9] vs 2.8 [1.0] L min-1 m-2; P<.01). Among the 37 patients without cirrhosis, Doppler SVI <39 mL/m2 was associated with FAD (odds ratio [OR], 2.11; 95% confidence limit, 1.26-3.14; P=.02); Fontan failure was more common in patients with CI was <2.5 L min-1 m-2 (3/9 [33%] vs 0/28 [0%], P=.01). Another 11 patients with systemic right ventricle (RV) underwent 17 sets of TTE/CMRI, mean (SD) age 17 (3) years, and CMRI SVI also correlated with Doppler SVI (r=0.75; P<.001). CONCLUSION: Doppler SVI correlated with CMRI SVI in patients with systemic LV and systemic RV. The association between output measures (SVI and CI) and FAD were seen only in single LV patients (single RV patients not assessed for this outcome due to small numbers). An association between low Doppler CI and Fontan failure was suggested in a small number of single LV patients. PMID- 29224652 TI - Primary percutaneous coronary intervention at centers with and without on-site surgical support: Insights from the Blue Cross Blue Shield of Michigan Cardiovascular Consortium (BMC2). AB - BACKGROUND: Primary percutaneous coronary intervention (PPCI) is being increasingly performed nationally at sites without on-site cardiac surgery; however, recent guidelines only provide a Class IIa recommendation for this practice. The state of Michigan has permitted PPCI without on-site surgery under a closely monitored system that mandates auditing of all procedures and quarterly feedback on quality and outcomes. This study sought to compare outcomes of patients undergoing PPCI at centers with and without on-site surgery in the state of Michigan. METHODS: Consecutive patients who underwent PPCI at 47 hospitals in Michigan from January 2010 to December 2015 were included. From this cohort, 4,091 patients from sites with and without on-site cardiac surgery were propensity matched in a 1:1 fashion to compare baseline characteristics, procedural details, and in-hospital outcomes. RESULTS: Of the 25,886 PPCIs performed at 47 hospitals in Michigan from 2010 to 2015, 21,610 (83.5%) were performed at sites with on-site surgery and 4,276 (16.5%) at sites without on site surgery. Using propensity score matched cohorts (4,091 patients for each site type), we found no significant differences in baseline characteristics. Overall mortality (5.4% vs 5.8%; P=.442); composite outcome of in-hospital mortality, contrast-induced nephropathy, bleeding, and stroke (13.8% vs 12.8%; P=.152); and individual outcomes within the composite group showed no significant differences. Additionally, there were no clinically meaningful differences in rates of urgent/emergent coronary artery bypass graft or length of stay. Significant differences, however, were found in procedural access site, antiplatelet therapy, contrast volume, and anticoagulant strategy. CONCLUSIONS: Primary PCI performed at centers with and without cardiac surgery have comparable outcomes and complication rates when performed with close monitoring of quality and outcomes. PMID- 29224653 TI - Introduction. PMID- 29224654 TI - Evaluation and Management of Blunt Solid Organ Trauma. AB - Trauma is a leading cause of death in patients under the age of 45 and generally associated with a high kinetic energy event such as a motor vehicle accident or fall from extreme elevations. Blunt trauma can affect every organ system and major vascular structure with potentially devastating effect. When we consider abdominal solid organ injury from blunt trauma, we usually think of the liver, spleen, and kidneys. However, all of the abdominal organs, including the pancreas and adrenal glands, may be involved. Blunt hepatic trauma is more commonly associated with venous bleeding rather than arterial injury. Stable venous injury is often managed conservatively; when the patient is hemodynamically unstable from venous hepatic injury, operative management should be first-line therapy. When the injury is arterial, endovascular therapy should be initiated. Blunt trauma to the spleen is the most common cause of traumatic injury to the spleen. Management is controversial. In our institution unstable patients are taken to the operating room, and stable patients with Grades IV-V injuries and patients with active arterial injury are taken for endovascular treatment. Renal injuries are less common, and evidence of arterial injury such as active extravasation or pseudoaneurysm is warranted before endovascular therapy. Pancreatic trauma is uncommon and usually secondary to steering wheel/handlebar mechanism injuries. Adrenal injuries are rare in the absence of megatrauma or underlying adrenal abnormality. PMID- 29224655 TI - Evaluation and Treatment of Blunt Pelvic Trauma. AB - Trauma is a significant contributor to mortality, especially in the young. Pelvic trauma with pelvic ring fractures may result in associated arterial injury, necessitating endovascular intervention. As a result, interventional radiology plays a critical role in partnering with trauma providers in the care of these patients. Management is determined by the acuity of the patient's clinical status, radiographs, ultrasound, and the results of computed tomography imaging when available. Numerous embolic agents are available for treatment of arterial hemorrhage. PMID- 29224656 TI - Emergent Endovascular Treatment of Penetrating Trauma: Solid Organ and Extremity. AB - Penetrating injuries can result in acute or subacute arterial injuries of the solid organs or extremities. Although most penetrating injuries are managed conservatively, some patients require endovascular or surgical treatment. Often, the best method for management is controversial and the level of urgency for clinical decision-making is high. Once the decision has been made to intervene, the operator must also determine the best embolization material and technique to use. Not unfrequently, these decisions are made during the course of the procedure. There are numerous embolization agents, each of which serves a very specific purpose, depending on the clinical scenario. Within this article, we will review endovascular treatment indications, contraindications, and endovascular techniques for the treatment of penetrating trauma of the solid organs or extremities. PMID- 29224657 TI - CTA As an Adjuvant Tool for Acute Intra-abdominal or Gastrointestinal Bleeding. AB - Hematemesis and acute postsurgical upper gastrointestinal hemorrhage are common emergent on-call consultations for the interventional radiologist. Upper GI bleleding (UGIB) is a relatively frequent problem. The incidence and mortality vary among patient populations, but studies have shown an overall incidence ranging from 36-172 cases per 100,000 adults per year, with a mortality rate of 5%-14%. The incidence is significantly higher in men. Peptic ulcer disease is the predominant etiology, responsible for 28%-59% of UGIB. Other causes include varices, mucosal erosive disease, Mallory-Weiss syndrome, and malignancy. After assessment of hemodynamic status and airway stability with resuscitative efforts as needed, initial consultation with gastroenterology for endoscopic evaluation and treatment is well regarded as the initial therapeutic strategy. Angiography with embolization and interventional techniques directed at managing variceal hemorrhage have emerged as very capable second-line strategies for patients who have failed endoscopic therapy. In certain circumstances, the interventional radiologist may be called upon as the first line, notably for patients who have had recent surgical intervention or who have extraluminal hemorrhage. As the role of the interventional radiologist in the evaluation and treatment of UGIB continues to evolve, familiarity and knowledge of how to deal with these urgent and emergent clinical scenarios becomes paramount. PMID- 29224658 TI - Management of Acute Lower Gastrointestinal Bleeding. AB - Acute lower gastrointestinal bleeding (LGIB), defined as hemorrhage into the gastrointestinal tract distal to the ligament of Treitz, is a major cause of morbidity and mortality among adults. Overall, mortality rates are estimated between 2.4% and 3.9%. The most common etiology for LGIB is diverticulosis, implicated in approximately 30% of cases, with other causes including hemorrhoids, ischemic colitis, and postpolypectomy bleeding. Transcatheter visceral angiography has begun to play an increasingly important role in both the diagnosis and treatment of LGIB. Historically, transcatheter visceral angiography has been used to direct vasopressin infusion with embolization reserved for treatment of upper gastrointestinal bleeding. However, advances in microcatheter technology and embolotherapy have enabled super-selective embolization to emerge as the treatment of choice for many cases of LGIB. PMID- 29224659 TI - Bronchial Artery Embolization for the Treatment of Acute Hemoptysis. AB - Massive hemoptysis is a life-threatening condition often defined as coughing up 300-600mL of blood in 24 hours in an adult, or >8mL/kg in 24 hours in a child. Although the definition is controversial, one should view massive hemoptysis as any volume of expectorated blood that can cause respiratory failure. This is because mortality in the setting of hemoptysis is usually associated with asphyxiation, rather than exsanguination. Massive hemoptysis accounts for only about 5% of cases of hemoptysis, but when treated conservatively, has a reported mortality rate between 50% and 85%. Etiologies vary widely based on demographics. In children, infectious causes predominate in developing countries, and cystic fibrosis predominates among children of European descent. In adults, malignancy, bronchiectasis, and chronic infection are the most common causes. Treatment begins with resuscitation and airway protection, followed by minimally invasive bronchoscopic and endovascular techniques. Surgical interventions are considered last line therapy due to mortality rates of 37%-43% in the setting of massive hemoptysis. Bronchial artery embolization is now considered the treatment of choice for massive hemoptysis. PMID- 29224660 TI - Postpartum Hemorrhage. AB - Interventional radiologists are often called for emergent control of abnormal uterine bleeding. Bleeding, even heavy bleeding as a result of uterine fibroids is not a common emergent procedure; instead, pregnancy and pregnancy related conditions, trauma and malignancy associated with bleeding can be the source of many interventional radiology on call events or procedures. Postpartum hemorrhage (PPH) is the most common cause, and is defined as blood loss of 500mL after vaginal delivery or 1000mL after cesarean section. Several authors have suggested a simpler definition of any amount of blood loss that creates hemodynamic instability in the mother. Regardless, PPH can be a life-threatening emergency and is a leading cause of maternal mortality requiring prompt action. Primary PPH is bleeding within the first 24 hour of delivery and secondary PPH is hemorrhage that occurs more than 24 hour after delivery. In addition to death, other serious morbidity resulting from postpartum bleeding includes shock, adult respiratory distress syndrome, coagulopathy, and loss of fertility due to hysterectomy. Transcatheter uterine artery embolization was first introduced as a treatment for PPH in 1979. It is a nonsurgical, minimally invasive, extremely safe and effective treatment for controlling excessive bleeding of the female reproductive track usually after conservative measures have failed, yet somewhat underused. Referring providers have limited awareness of the procedure. In hospitals where interventional radiologists have the experience and technical expertise to perform pelvic arteriography and embolization, this therapeutic option can play a pivotal role in the management of emergent obstetric hemorrhage. PMID- 29224661 TI - Acute Limb Ischemia. AB - Acute limb ischemia is technically defined as ischemia of the lower extremities lasting 14 days or less. The condition affects between 15 and 26 persons per 100,000 each year in the United States. The associated morbidity and mortality is extremely high, with 1-year mortality rates reported at over 40%. Acute limb ischemia is 20 times more common in the lower extremities than the upper extremities. Both interventional radiologists and vascular surgeons bring unique skills to the table in caring for these patients, and therefore should approach the care of these patients in a multidisciplinary manner to ensure the best outcomes for each patient. Patients should be classified according to the Rutherford classification scale for acute limb ischemia. Catheter-directed thrombolysis can be a viable treatment alternative for these patients, offering a minimally invasive option to patients with outcomes similar to surgery. It is important to know the presentation, physical examination, risks and benefits, as well as the techniques and equipment required to treat patients with acute lower limb ischemia. PMID- 29224662 TI - Managing Venous Thromboembolic Disease On-Call. AB - Managing venous thromboembolic disease on-call requires the interventional radiologist consider not only potential risk and benefit to the patient but also available resources in the IR suite as well as throughout the hospital, such as intensive care monitoring during treatment. We demonstrate how our practice manages these on-call cases ranging from deep venous thrombosis to acute pulmonary embolism and decide which patients need emergent treatment and which can undergo delayed intervention during working hours. In all cases, an adequate preprocedural clinical assessment is crucial. PMID- 29224664 TI - Preface - Part 2: Circadian and endocrine rhythms. PMID- 29224663 TI - Obstruction of the Biliary and Urinary System. AB - Biliary and urinary obstructions can be managed endoscopically or cystoscopically, surgically or by percutansous intervention or drainage. If the obtructed system is infected, emergent decompression is needed. Early recognition and treatment is paramount in both conditions. Acute cholangitis can present many different ways, from mild symptoms to fulminant sepsis. It is usually a result of ascending bacterial colonization and biliary obstruction resulting in bacterial overgrowth. Therefore, those patients with recent biliary instrumentation or previous biliary modification are at higher risk. Charcot's triad of fever, right upper quadrant abdominal pain, and jaundice is only seen in 50%-70% of patients. Fever is seen in over 90% of cases, pain is seen in 70% of cases, and jaundice is seen in 60% of cases. Altered mental status and hypotension are associated with severe cases. All 5 symptoms of fever, right upper quadrant abdominal pain, jaundice, altered mental status, and hypotension are referred to as Reynold's Pentad. Acute pyonephrosis can also present many different ways, from minimal symptoms to fulminant sepsis. Fever, chills, and flank pain are the classic symptoms, although some patients may be relatively asymptomatic. Pyonephrosis may present with a classic triad of fever, flank pain, and hydronephrosis, or simply hydronephrosis and sepsis. Pyonephrosis usually occurs as a result of urinary obstruction with either an ascending infection of the urinary tract or hematogenous spread of a bacterial pathogen as the culprit. Up to 75% of cases are related to urinary stone disease. Patients are at increased risk for pyonephrosis when they haven anatomic urinary tract obstruction, certain chronic diseases (diabetes meliitus and AIDS), or are immunosuppressed due to immunodeficiency or medications, (chronic steroid therapy). PMID- 29224665 TI - Endocrine rhythms of growth hormone release: Insights from animal studies. AB - Growth hormone (GH) secretory patterns emerge following birth, and changes in patterning occur throughout life. These secretory patterns are coupled to growth, reproduction and metabolism. Comparing human and animal studies, this review will highlight ultradian patterning of GH release and the mechanisms that contribute to this. Discussions will focus on the emergence in variations in the number and frequency of GH secretory events, and the amounts of GH released (peak and basal). Animal studies have contributed significantly to our understanding of the processes that regulate GH release. However, translation of knowledge from animal models to benefit our understanding of human physiology is sometimes limited. To overcome these limitations, it is critical that we reconcile the cause and consequences of differences in GH release between humans and model organisms. In doing so, we can embrace emerging technologies that will rapidly advance our knowledge of endogenous process that control GH release. PMID- 29224666 TI - Central and peripheral roles of vasopressin in the circadian defense of body hydration. AB - Vasopressin is a neuropeptide synthesized by specific subsets of neurons within the eye and brain. Studies in rats and mice have shown that vasopressin produced by magnocellular neurosecretory cells (MNCs) that project to the neurohypophysis is released into the blood circulation where it serves as an antidiuretic hormone to promote water reabsorption from the kidney. Moreover vasopressin is a neurotransmitter and neuromodulator that contributes to time-keeping within the master circadian clock (i.e. the suprachiasmatic nucleus, SCN) and is also used as an output signal by SCN neurons to direct centrally mediated circadian rhythms. In this chapter, we review recent cellular and network level studies in rodents that have provided insight into how circadian rhythms in vasopressin mediate changes in water intake behavior and renal water conservation that protect the body against dehydration during sleep. PMID- 29224667 TI - The hormone melatonin: Animal studies. AB - The Melatonin (MLT), secreted rhythmically by the pineal, is an efferent hormonal signal of the circadian clock. MLT presents overall pleitropic effects but it is the role of MLT as a hormonal circadian signal which is the best documented. MLT receptors are present in numerous structures/organs and the MLT is now considered as an endogenous synchronizer within the circadian system. The presence of MLT receptors within the circadian clock, explains that exogenous MLT is a chronobiotic drug. Trials in humans, have confirmed the efficacy of MLT in circadian rhythm disorders. Subtypes of MLT-receptors have been characterized (MT1 and MT2). Striking differences are observed in the distribution pattern of these 2 subtypes. Up to now, MTL-analogues commercialized as drugs, are all non specific MT1/MT2 agonists acting on the SCN. The development of new specific agonists/antagonists for both subtypes, the identification of the link between MLT target sites within different parts of the brain or the body and the association of specific MLT receptor subtypes and particular physiological effects open great therapeutic potential. PMID- 29224668 TI - Circadian clock-gastrointestinal peptide interaction in peripheral tissues and the brain. AB - Food intake and sleep are two mutually exclusive behaviors and both are normally confined to opposing phases of the diurnal cycle. The temporal coordination of behavior and physiology along the 24-h day-night cycle is organized by a network of circadian clocks that orchestrate transcriptional programs controlling cellular physiology. Many of the peptide hormones of the gastrointestinal tract are not only secreted in a circadian fashion, they can also affect circadian clock function in peripheral metabolic tissues and the brain, thus providing metabolic feedback to metabolic and neurobehavioral circuits. In this review, we summarize the current knowledge on this gastrointestinal peptide crosstalk and its potential role in the coordination of nutrition and the maintenance of metabolic homeostasis. PMID- 29224669 TI - Circadian aspects of adipokine regulation in rodents. AB - Most hormones display daily fluctuations of secretion during the 24-h cycle. This is also the case for adipokines, in particular the anorexigenic hormone, leptin. The temporal organization of the endocrine system is principally controlled by a network of circadian clocks. The circadian network comprises a master circadian clock, located in the suprachiasmatic nucleus of the hypothalamus, synchronized to the ambient light, and secondary circadian clocks found in various peripheral organs, such as the adipose tissues. Besides circadian clocks, other factors such as meals and metabolic status impact daily profiles of hormonal levels. In turn, the precise daily pattern of hormonal release provides temporal signaling information. This review will describe the reciprocal links between the circadian clocks and rhythmic secretion of leptin, and discuss the metabolic impact of circadian desynchronization and altered rhythmic leptin. PMID- 29224670 TI - Editorial: Determinants of mammalian feeding system design. PMID- 29224671 TI - Systemic lupus erythematosus. PMID- 29224672 TI - SLE redefined on the basis of molecular pathways. AB - The implementation of precision medicine requires the recruiting of patients in statistically enough numbers, the possibility of obtaining enough materials, and the integration of data from various platforms, which are all real limitations. These types of studies have been performed extensively in cancer but barely on systemic lupus erythematosus (SLE) or other rheumatic diseases. To consider the practical use of the information obtained from such studies, we have to take into account the best biological fluid to use, the ease to perform the analysis in clinical practice, and its relevance to clinical practice. Here we review the most relevant studies that have performed analyses that attempt to classify or stratify SLE. We focus on two types of studies: those that stratify individuals diagnosed with SLE and those that compare SLE with other autoimmune diseases, defining differences and similarities that may be clinically relevant in the future. PMID- 29224674 TI - Drivers of the immunopathogenesis in systemic lupus erythematosus. AB - This review summarises a number of current insights into the pathogenesis of SLE. On the basis of the interaction of environmental factors within a predisposed host, a chronic autoimmune process gains function with a positive feed-forward loop between innate and adaptive immunity. A current focus of SLE pathogenesis is on the enhanced production of certain cytokines, such as type I interferons and BLyS/BAFF, suggesting continuous plasmacytoid dendritic and myeloid cell activity together with disturbances of B lineage cells (increased autoantibodies, including anti-dsDNA and plasmablasts, which correlate with SLE activity and memory B-cell abnormalities). Recent studies provided evidence that CD4+ and CD8+ T cells and B cells are hyporesponsive in SLE, likely reflecting their 'post activation status'. Data of enhanced protein tyrosine phosphatase activity of lymphocytes in SLE require consideration if they represent a disease characteristic. Better understanding of the chronic autoimmune phase is needed in addition to those phases during flares and will permit improved treatment of SLE. PMID- 29224675 TI - Mechanisms of thrombosis in systemic lupus erythematosus and antiphospholipid syndrome. AB - The presence of antiphospholipid antibodies is one of the most common acquired risk factors for thrombosis. Antiphospholipid antibodies is a collective term for a set of autoantibodies with closely related but different specificity. Experiments in which isolated patient antibodies were injected into mice have shown that a specific subset of autoantibodies, those directed against the first domain of plasma protein beta2-glycoprotein I, can explain the increased risk of thrombosis. Experiments performed with these mice have shown that autoantibodies against beta2-glycoprotein I bind to and activate cells such as endothelial cells, monocytes, and platelets. Activation of these cells, all involved in the regulation of hemostasis, results in a shift towards a prothrombotic state. How this process is regulated, whether this is the only mechanism involved, and whether this is the only subpopulation responsible for the increased thrombotic risk is unknown. In this review, we will critically discuss what is known and what is debatable on the pathophysiology of antiphospholipid syndrome. PMID- 29224673 TI - Understanding the role of environmental factors in the development of systemic lupus erythematosus. AB - Systemic lupus erythematosus (SLE) is a multisystem disease with a complex etiology. Its risk is higher among women, racial and ethnic minorities, and individuals with a family history of SLE or related autoimmune diseases. It is believed that genetic factors interact with environmental exposures throughout the lifespan to influence susceptibility to developing SLE. The strongest epidemiologic evidence exists for increased risk of SLE associated with exposure to crystalline silica, current cigarette smoking, use of oral contraceptives, and postmenopausal hormone replacement therapy, while there is an inverse association with alcohol use. Emerging research results suggest possible associations of SLE risk with exposure to solvents, residential and agricultural pesticides, heavy metals, and air pollution. Ultraviolet light, certain infections, and vaccinations have also been hypothesized to be related to SLE risk. Mechanisms linking environmental exposures and SLE include epigenetic modifications resulting from exposures, increased oxidative stress, systemic inflammation and inflammatory cytokine upregulation, and hormonal effects. Research needs to include new studies of environmental risk factors for SLE in general, with a focus on lifetime exposure assessment. In addition, studies in susceptible subgroups, such as family members, studies based on genetic risk profiles, and studies in individuals with evidence of pre-clinical autoimmunity based on the detection of specific auto-antibodies are also required. Understanding the role of environmental exposures in the development of SLE may help identify modifiable risk factors and potential etiological mechanisms. PMID- 29224676 TI - Treat to target, remission and low disease activity in SLE. AB - Despite improvements in survival, outcomes of contemporary treatment of systemic lupus erythematosus (SLE) are unacceptable. Unlike in many diseases, treat-to target (T2T) approaches have not been adopted in SLE, owing to a lack of validated targets to treat towards. Therefore, it is a key goal to validate target state definitions such as low disease activity and remission, and test their implementation in clinical practice and clinical trials. In this article, we review recent advances in T2T approaches in SLE, and emerging evidence-based consensus on definitions of remission and low disease activity that are needed to underpin such approaches. We conclude that, while more work is needed, much has been achieved and at least for low disease activity the lupus low disease activity state definition appears to have utility and validity for the study of SLE. Application to routine clinical care awaits validation of improved outcomes from T2T studies based on these targets. PMID- 29224678 TI - Atherosclerosis in systemic lupus erythematosus. AB - Cardiovascular disease (CVD), comprising coronary heart disease and stroke, is one of the most important causes of death in patients with systemic lupus erythematosus (SLE). The risks of developing both clinical CVD and sub-clinical atherosclerosis are increased in patients with SLE. This increase is not fully explained by traditional cardiovascular risk factors such as smoking, hypertension and elevated cholesterol, and it is believed that immune dysfunction also contributes to CVD risk in SLE. In particular, recent studies have shown that abnormalities in both serum lipid profile and the autoantibody and T lymphocyte response to lipids may play a role in development of atherosclerosis. The standard CVD risk calculation algorithms based on traditional risk factors underestimate the risk of developing CVD in patients with SLE. Thus, novel algorithms incorporating new biomarkers such as pro-inflammatory high-density lipoprotein and use of imaging techniques such as carotid ultrasound scanning may become increasingly valuable. PMID- 29224679 TI - A review on SLE and malignancy. AB - Systemic lupus erythematosus (SLE) is a chronic, systemic autoimmune disease characterized by autoantibody production, complement activation, and immune complex deposition. It predominantly affects young and middle-aged women. While improvements in the diagnosis and treatment of SLE have altered prognosis, morbidity and mortality rates remain higher than the general population. In addition to renal injury, cardiovascular disease, and infection, malignancy is known to be a significant cause of death in this population. There is increasing evidence to suggest that patients with SLE have a slightly higher overall risk of malignancy. The risk of malignancy in SLE is of considerable interest because the immune and genetic pathways underlying the pathogenesis of SLE and the immunosuppressant drugs (ISDs) used in its management may mediate this altered risk. Our current understanding of these and other risk factors and the implications for treating SLE and screening for malignancy is still evolving. This review summarizes the association between SLE and malignancy. The first section discusses the risk of overall and site-specific malignancies in both adult- and pediatric-onset SLE. Next, we evaluate the risk factors and possible mechanisms underlying the link between malignancy and SLE, including the use of ISDs, presence of certain SLE-related autoantibodies, chronic immune dysregulation, environmental factors, and shared genetic susceptibility. Finally, we review guidelines regarding cancer screening and vaccination for human papilloma virus. PMID- 29224677 TI - Diagnostic and prognostic tests in systemic lupus erythematosus. AB - Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disease characterized by autoantibodies directed against numerous self-nuclear antigens. Because of the heterogeneous nature of lupus, it has been challenging to identify markers that are sensitive and specific enough for its diagnosis and monitoring. However, with the sequencing of the human genome, rapid development of high throughput approaches has allowed for a better understanding of the etiopathogenesis of complex diseases, including SLE. Here we present a review of the latest advancements in biomarker discovery during the "omics" era, using these novel technologies, for assisting in the diagnosis and prognosis of patients with SLE. PMID- 29224680 TI - Pregnancy in systemic lupus erythematosus and antiphospholipid syndrome. AB - Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disease with a high prevalence in females of childbearing age. Pregnancy in SLE nowadays has favorable outcomes for the majority of women. However, flares of disease activity, preeclampsia, fetal loss, and preterm birth are well-known risks in such pregnancies. Anti-SS-A(Ro)/SS-B(La) antibodies put fetuses at risk for congenital heart block and neonatal lupus. Several risk factors for adverse pregnancy outcomes have been identified. Women with antiphospholipid antibodies or antiphospholipid syndrome and lupus nephritis represent a group with high risk for obstetric complications. Factors such as appropriate preconception counseling and medication adjustment, strict disease control prior to pregnancy, and intensive surveillance during and after pregnancy are essential to improve pregnancy outcome. The aim of this review article is to update on the medical care of pregnancy in these women to ensure the best maternal and fetal prognosis. PMID- 29224681 TI - Role of interferons in SLE. AB - Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disease that affects many different organ systems, with excessive production of type I interferons (IFNs) and autoantibodies against nucleic acids as hallmarks. Activation of the type I IFN system in SLE is due to continuous stimulation of plasmacytoid dendritic cells by endogenous nucleic acids, leading to sustained type I IFN production. This is reflected by an overexpression of type I IFN regulated genes or an IFN signature. Type I IFNs have effects on both the innate and adaptive immune systems, which contribute to both loss of tolerance and the autoimmune disease process. In this review, we discuss the current understanding of IFNs in SLE, focusing on their regulation, the influence of genetic background, and environmental factors and therapies that are under development aiming to inhibit the type I IFN system in SLE. PMID- 29224682 TI - Calcineurin inhibitors in systemic lupus erythematosus. AB - The calcineurin inhibitors (CNIs) belong to a group of immunosuppressive agents that block T-cell activation through the suppression of the calcium/calcimodulin dependent phosphatase calcineurin. Agents such as cyclosporine A (CSA) and tacrolimus (TAC) have long been used in patients with systemic lupus erythematosus (SLE). TAC is preferred to CSA in SLE because of the lower frequency of cosmetic, hypertensive and dyslipidemic adverse effects. Recent randomised controlled trials have demonstrated noninferiority of TAC to mycophenolate mofetil (MMF) or cyclophosphamide (CYC) for induction therapy of lupus nephritis. Low-dose combination of TAC and MMF has also been shown to outperform CYC pulses in inducing remission of lupus nephritis in Chinese patients. TAC does not affect fertility and is relatively safe in pregnancy. In SLE patients who are intolerant or refractory to conventional immunosuppressives, or where contraindications to other immunosuppressive agents exist, TAC is an alternative option. However, the therapeutic window of TAC is narrow, and drug level monitoring is required to ensure drug exposure and minimise toxicities. Current evidence of TAC in lupus nephritis is limited to 6 months, and its long term safety as maintenance therapy of SLE is yet to be determined. Newer chemical analogues of CNIs, such as voclosporin, with less variable plasma concentration are being tested in lupus nephritis. PMID- 29224683 TI - Reply. PMID- 29224684 TI - Risk Factors for Rapid Glaucoma Disease Progression. PMID- 29224685 TI - Spending Money to Save Money on Patient Care-The Development of Optical Coherence Tomography. PMID- 29224686 TI - Estimating Public and Patient Savings From Basic Research-A Study of Optical Coherence Tomography in Managing Antiangiogenic Therapy. AB - PURPOSE: To compare patient and Medicare savings from the use of optical coherence tomography (OCT) in guiding therapy for neovascular age-related macular degeneration (nvAMD) to the research investments made in developing OCT by the National Institutes of Health (NIH) and the National Science Foundation (NSF). DESIGN: Observational cohort study. METHODS: Main outcome measures were spending by Medicare as tracked by Current Procedural Terminology codes on intravitreal injections (67028), retinal OCT imaging (92134), and anti-vascular endothelial growth factor (anti-VEGF) treatment-specific J-codes (J0178, J2778, J9035, J3490, and J3590). These claims were identified from the Medicare Provider Utilization and Payment Data from the Centers for Medicare and Medicaid Services among fee for-service (FFS) Medicare beneficiaries from 2012 to 2015; 2008 claims were acquired from the 100% FFS Part B Medicare Claims File. OCT research costs were determined by searching for grants awarded by NIH and NSF from inception to 2015. All costs and savings were discounted by 3% annually and adjusted for inflation to 2015 dollars. RESULTS: From 2008 to 2015, the United States government and nvAMD patients have accrued an estimated savings of $9.0 billion and $2.2 billion, respectively, from the use of OCT to guide personalized anti-VEGF treatment. The $9.0 billion represents a 21-fold return on government investment into developing the technology through NIH and NSF grants. CONCLUSIONS: Although an overall cost-benefit ratio of government-sponsored research is difficult to estimate because the benefit may be diffuse and delayed, the investment in OCT over 2 decades has been recouped many times over in just a few years through better personalized therapy. PMID- 29224687 TI - Reply. PMID- 29224688 TI - [Colorectal adenocarcinoma: Universal screening for MSI!] PMID- 29224689 TI - [The MSI status: An almost ideal marker!] PMID- 29224690 TI - Importance of musculoskeletal health and functional capacity through the life course. PMID- 29224691 TI - Musculoskeletal health conditions among older populations in urban slums in sub Saharan Africa. AB - BACKGROUND: Debate on the burden of musculoskeletal (MSK) conditions in lower and middle income countries is intensifying; yet, little knowledge so far exists on patterns and impacts of such conditions among general or older adult populations in sub-Saharan Africa (SSA). The objectives of this study are to examine the prevalence, potential predictors, and sequelae of MSK among older adults residing in two low resource informal urban settlements or "slums" in Nairobi Kenya. METHODS: Data on older adults aged 60 years and over from two unrelated cross sectional surveys on the older slum populations are used: a 2006/7 survey on the social, health, and overall well-being of older people (sample N = 831), and a 2016 survey on realities and impacts of long-term care and social protection for older adults (sample n = 1026). Uni and multivariate regressions on the 2006/7 data are employed to examine relationships of back pain and symptoms of arthritis with sex, age, wealth, unemployment, diagnoses of hypertension, and diabetes; and with indicators of subjective well-being and functional ability. Descriptive frequencies and chi-squared tests of association are used on 2016 data to identify the overall prevalence and locations of activity limiting MSK pain, and sex differences in these. RESULTS: Prevalence of past month back pain and past 2 week symptoms of arthritis was 44% and 42.6%, respectively. Respective prevalence of past month activity limiting back pain and joint pain was 13.9% and 22.7%. A total of 42.6% of slum residents with a current health problem report MSK as the most severe problem. In multivariate regressions, female sex, unemployment, and diagnosis of hypertension are predictive of back pain and symptoms of arthritis. Both conditions are associated with raised odds of having lower quality of life, poorer life satisfaction, and depressive symptoms, and with mobility impairments and self-care difficulties. CONCLUSIONS: MSK conditions are salient, and a likely key cause of impaired subjective well-being and functioning among older slum populations in SSA. Further research on determinants and consequences of such conditions in older slum populations is required to inform debate on responses to MSK as part of efforts to reorient SSA health systems to aging and to improve slum health. PMID- 29224692 TI - The contribution of musculoskeletal disorders in multimorbidity: Implications for practice and policy. AB - People frequently live for many years with multiple chronic conditions (multimorbidity) that impair health outcomes and are expensive to manage. Multimorbidity has been shown to reduce quality of life and increase mortality. People with multimorbidity also rely more heavily on health and care services and have poorer work outcomes. Musculoskeletal disorders (MSDs) are ubiquitous in multimorbidity because of their high prevalence, shared risk factors, and shared pathogenic processes amongst other long-term conditions. Additionally, these conditions significantly contribute to the total impact of multimorbidity, having been shown to reduce quality of life, increase work disability, and increase treatment burden and healthcare costs. For people living with multimorbidity, MSDs could impair the ability to cope and maintain health and independence, leading to precipitous physical and social decline. Recognition, by health professionals, policymakers, non-profit organisations, and research funders, of the impact of musculoskeletal health in multimorbidity is essential when planning support for people living with multimorbidity. PMID- 29224693 TI - Musculoskeletal health and frailty. AB - Frailty is a consequence of advanced aging, where the frailty phenotype tries to capture overall decline in health. Frailty involves multiple physiological systems that are intrinsically inter-related and with highly complex interactions. Frailty is closely linked to musculoskeletal health; musculoskeletal functioning is a key component in quantifying frailty, while at the same time, frailty is associated with the most common age-related musculoskeletal conditions: osteoporosis, fractures, falls, osteoarthritis, and spinal conditions. Beyond that, frailty includes additional physical domains such as nutrition and energy, psychological, and social factors. Despite its recognized role in aging health, there is still a lack of consensus on a core set of variables and how to best define clinically relevant thresholds. This would be of utmost importance for additional use to evaluate many aspects associated with musculoskeletal health, progression and personalized interventions, and rehabilitation. PMID- 29224694 TI - Chronic musculoskeletal pain and its impact on older people. AB - Musculoskeletal conditions are the leading cause of disability worldwide and also have a large impact on many other aspects of older people's health such as low physical activity level, poor mobility, frailty, depression, cognitive impairment, falls and poor sleep quality. Clustering of musculoskeletal pain with other pain conditions is also common, and the number of pain sites is an important prognostic factor. While musculoskeletal pain is usually nociceptive in origin, older people with musculoskeletal conditions may also experience neuropathic pain and central pain syndromes. Musculoskeletal burden of disease is increasing because of rapid ageing of populations, especially in developing countries. Interaction of musculoskeletal pain with co-existing conditions, including other types of pain, needs to be studied in longitudinal studies to identify modifiable targets for intervention. Additionally, potential impacts of musculoskeletal pain and prognostic factors need to be investigated in developing countries where evidence is scarce. PMID- 29224695 TI - Fragility Fractures & Their Impact on Older People. AB - Osteoporotic fractures, in particular hip and vertebral, are a major health burden worldwide. The majority of these fractures occur in the elderly population, resulting in one of the most important causes of mortality and disability in older ages. Their cost for societies is enormous and is forecast to steadily increase over the coming decades globally. Low bone mineral density (BMD) remains a key preventable risk factor for fractures. Screening and treatment of individuals with high risk of fracture is cost-effective. Predictive tools including clinical risk factors, minimisation of falls risk and public authorities' support to create Fracture Liaison Services are paramount strategies. PMID- 29224696 TI - Spinal pain and its impact on older people. AB - The term 'spinal pain' collectively includes the cervical, thoracic and lumbosacral regions of the spine. The majority of older people experience spinal pain, and with an increasing proportion of older people, the prevalence of spinal conditions are expected to increase in the coming decades. Musculoskeletal conditions of the spine in the older patient commonly include osteoarthritis and spinal stenosis, and the result of these degenerative diseases includes pain, stiffness and a decreased ability to engage in everyday activities. More than just the burden of pain, spinal pain has a significant considerable impact on the wellbeing and independence of older people within the community. Spinal pain is poorly managed, and knowledge of safe and effective treatment strategies are lacking because of the exclusion of older people in clinical research. Spinal pain in older people is a global health problem; the physical and personal impact of spinal directly threatens efforts to support healthy ageing. PMID- 29224697 TI - Physiology of ageing of the musculoskeletal system. AB - This review aims to provide a summary of current concepts of ageing in relation to the musculoskeletal system, highlighting recent advances in the understanding of the mechanisms involved in the development of age-related changes in bone, skeletal muscle, chondroid and fibrous tissues. The key components of the musculoskeletal system and their functions are introduced together with a general overview of the molecular hallmarks of ageing. A brief description of the normal architecture of each of these tissue types is followed by a summary of established and developing concepts of mechanisms contributing to the age-related alterations in each. Extensive detailed description of these changes is beyond the scope of this review; instead, we aim to highlight some of the most significant processes and, where possible, the molecular changes underlying these and refer the reader to in-depth, subspecialist reviews of the individual components for further details. PMID- 29224699 TI - Measuring physical capacity and performance in older people. AB - We highlight the important differences between the concepts of capacity and performance and highlight the development of measures and their application in common conditions encountered in health care practice with older people. A number of expert consensus projects have concluded that mobility, balance, muscle strength and dexterity are core domains for capacity measurement in older people. Instruments with evidence of adequate psychometric properties for the evaluation of capacity in response to intervention programmes include the Short Physical Performance Battery, hand grip strength, mini-BEST and 9-hole pegboard test. Measures that can track individual change and convey information that can be used to inform clinical decision-making, individual prognosis or prediction of events require greater precision. However, few such measures are available. Performance measurement usually focuses on basic or instrumental (advanced) Activities of Daily Living performed by people in their usual environments. Finally, we discuss the limitations of physical performance and capacity measures and future developments that may enhance the use of these measures in health and clinical care. PMID- 29224700 TI - Preventing weakness and stiffness - A top priority for health and social care. AB - With growing evidence that sarcopenia, disability and frailty can be prevented with physical activity, people living with pain, stiffness and weakness due to a musculoskeletal condition should be offered physical activity as a preventive strategy. By changing beliefs and attitudes towards ageing and raising the value and importance of physical activity, disability can be avoided or delayed and the costly burden of social care lessened. The effects of ageing and the effects of muscle strength loss are often confused. Older people can increase their strength and decrease their fitness to that of an average person a decade younger by regular exercise by decreasing the fitness gap. For illustration, the inability to get up from a chair and get to the toilet on time is often trigger for social care. People who are homebound are especially at risk of inactivity, and we need to be innovative and creative with ways to get them out of their homes, engaged within the community and using technology to interact with them at home. We need a ubiquitous call to action and cultural shift throughout the health and social care ecosystem to bring all the elements together, providing a platform and tools to be more active and signpost to activity as a therapy for weakness and joint stiffness. Behaviour change and stratified approaches to identify complex cases, and one-to-one interventions are key to the success of this approach. Local leisure centres remain at the very heart of communities and should be wellness centres for our ageing populations making them the frontline of the NHS. PMID- 29224701 TI - Physical activity in older people - Case studies of how to make change happen. AB - Enhancing physical activity (PA) is recognized as a powerful intervention for the prevention and treatment of chronic diseases and disability in older people. Furthermore, there is an agreement that increased PA in daily life is a key determinant of active and healthy ageing and should be recommended for frail and sedentary older people. Unfortunately, relatively few older people engage in regular PA or stay active in the long term. This article summarizes and discusses PA recommendations for older adults without focussing on specific diseases, presents the main barriers and facilitators for increasing PA levels, and considers the implementation of these recommendations on the basis of the existing evidence. Finally, we provide case studies of PA programmes for older people that were successfully implemented and highlight the current lessons learned. PMID- 29224698 TI - Sarcopenia. AB - Sarcopenia is a condition that is characterized by loss of muscle mass, muscle strength and muscle functional impairment with ageing. The definition of sarcopenia has been through various permutations; however, an enormous recent breakthrough is the inclusion of the condition in the ICD-10 classification of diseases. This chapter covers the background issues regarding definition before describing the epidemiology of the disease according to human and environmental factors. It then provides a practical guide for the assessment of sarcopenia in a clinical setting and finishes with advice on present treatment and the exciting frontiers of future therapies. PMID- 29224702 TI - Early intervention to restore function and maintain healthy trajectory. AB - The health of the global population has undergone rapid transformation. Life expectancy and chronic conditions are increasing, and persons aged 65 years or older have become the fastest growing segment of population. The worldwide picture of disease burden is increasingly defined by disability instead of premature mortality. Population growth, ageing and sedentary lifestyles, particularly in developing countries, will result in a crisis for the population health that requires a multi-system response. The growing awareness of the diseases burden increases the need for accurate measurement and assessment of the burden and measurement of the impact of any public health action. Musculoskeletal (MSK) diseases are increasingly recognised as a major and important group of diseases, which requires more attention from society and health care systems. The epidemiological evidence confirms the dramatic increase in the majority of MSK disorders with age, a phenomenon that is occurring in all parts of the world, particularly among females. There is a necessity to ensure global health policies to recognise the importance of disability burden for overall health, well-being and economic prosperity for the individual and society. It is important to promote a common goal between public health, primary care, specialised health and social services to reduce disability; to encourage health programs or models of care addressing chronic conditions, including the importance of primary and secondary prevention, early intervention, care coordination, access to a multidisciplinary team to address the bio-psychosocial aspects of chronic conditions. There is an identified need to develop a Health Care Systems response to enable the implementation of early intervention as an effective strategy to reduce the burden of MSK disorders with particular importance and potential gains for the target population of older people who have shown an acute loss of function due to MSK diseases. It will contribute to meeting the 'triple aim' goals in health systems of improving patient's care experience (satisfaction, confidence and trust), improving the health of people and populations (mortality, disability and quality of life) and improving the societal costs of diseases. PMID- 29224703 TI - [Plague: A regular reemergence but not a past scourge]. PMID- 29224704 TI - [How to improve endometriosis management]. PMID- 29224705 TI - ? PMID- 29224706 TI - Prophylactic placement of permanent synthetic mesh at the time of ostomy closure prevents formation of incisional hernias. AB - BACKGROUND: Reversal of an enterostomy results in a high rate of incisional hernia at the ostomy site. Prophylactic mesh reinforcement of the fascial defect is typically not considered due to the contaminated nature of the case. We present the outcomes of a series of prophylactic mesh reinforcements with retromuscular, large-pore polypropylene at the time of enterostomy reversal. METHODS: Retrospective review of all ostomy reversals was performed. All cases with placement of synthetic mesh reinforcement were identified from a prospectively maintained, hernia database. Primary end points were surgical site occurrence, surgical site infection, and hernia occurrence. RESULTS: Ostomy reversal was performed in 359 patients; 91 were reinforced with mesh and 268 without mesh. Colostomy reversal was performed in 56.5% and ileostomy in 43.5%. The mesh group had a greater body mass index and a greater incidence of chronic obstructive pulmonary disease, but groups were otherwise similar. A midline incisional hernia was present in 45% of the mesh group vs 4.5% in the controls. Incidence of surgical site occurrence and surgical site infection were similar for mesh and control groups (21 vs 22.8%; P = .82 and 20 vs 19.8%; P = 1.000, respectively). Superficial surgical site infection was less with mesh (8 vs 16.4%; P = .039). Incidence of a hernia developing at the stoma site was decreased markedly with mesh (1% vs 17.2%; P < .001), as was the occurrence of a midline hernia (6% vs 19%; P = .004). Mesh was placed across the midline prophylactically in 29.7% of cases, which decreased midline hernia formation from 24.1% to 4% (P = .019). CONCLUSION: Retromuscular placement of permanent synthetic mesh at the time of enterostomy reversal is effective in preventing development of incisional hernia without increased risk of surgical site occurrence or surgical site infection. PMID- 29224707 TI - Wide variation in cost of surgical care for parathyroidectomy: is there a need for standardization of practice? AB - BACKGROUND: Identifying hospital and provider variation in surgical cost is a potent method for controlling rising healthcare expenditure and delivering cost effective care. The purpose of this study was to examine the variation of hospital cost by providers for parathyroidectomy in a single academic institution. METHODS: We retrospectively evaluated 894 consecutive parathyroidectomies under 8 surgeons in our institution between September 2011 and July 2016. Total duration of stay and cost were evaluated using nonparametric tests. Categorical variables were evaluated with chi2. RESULTS: The median total hospital cost for parathyroidectomy was $4,863.28 (interquartile range: 4,196 5,764), but the median costs per provider varied widely from $4,522.30 to $12,072.87. The median duration of stay was 0 days (IQR: 0-1) and demonstrated a wide variation among providers. Longer duration of practice was associated with lower cost. Despite the variation, only 2% was readmitted after discharge with no patient mortality. CONCLUSION: We found substantial variation in hospital cost among providers for parathyroidectomy despite practicing in the same academic institution, with some surgeons spending 4 time more for the same operation. Implementing institutional standards of practice could be a method to decrease variation and costs of surgical care. PMID- 29224708 TI - The effects of hearing loss on person-centred care in residential aged care: a narrative review. AB - Person-centred care is achieved through strategies such as effective communication and shared decision-making. Hearing loss can lead to communication breakdown and social isolation in residential aged care. The review aimed to address how hearing loss affects person-centred care in residential aged care settings. Empirical literature was identified through a systematic search of academic databases. Articles were reviewed against an inclusion criteria and general inductive analysis was employed to identify recurring factors across included studies. Six common factors emerged from the data: communication breakdown, the overlap between hearing loss and cognitive impairment, social isolation and reduced social participation, limited access to hearing services, inadequate training provided to care staff, and strategies to improve communication. Recommended strategies to facilitate person-centred care for residents with hearing loss are presented. Further investigation is needed to understand the effects of hearing loss on residents' autonomy and shared decision making. PMID- 29224709 TI - Prevalence and Prognostic Significance of Nonsustained Ventricular Tachycardia in Patients With a Left Ventricular Ejection Fraction from 35% to 50. AB - The risk of life-threatening ventricular arrhythmias in patients with mild-to moderately reduced left ventricular ejection fraction (LVEF) is unknown. This retrospective case-control study aims to identify the prevalence, risk factors, and outcomes associated with the development of nonsustained ventricular tachycardia (NSVT) as documented on permanent pacemakers or implantable loop recorders in tertiary care center patients with an LVEF of 35% to 50%. Data pertaining to patient demographics, previous medical history, heart failure functional class, echocardiographic parameters, and survival were compared between the groups. Of the 326 patients with an LVEF within the target range, 90 patients (27.6%) had NSVT recorded on their device and 236 patients (72.4%) did not. Compared with patients without NSVT, patients with NSVT had a higher body mass index (28.4 kg/m2 vs 26.8 kg/m2, p = 0.02), more ischemic heart disease (57.8% vs 32.8%, p < 0.0001), higher left atrial volume index (45.8 ml/m2 vs 42.0 ml/m2, p = 0.04), and lower use of antiarrhythmic medications (4.4% vs 11.9%, p = 0.04). The presence of NSVT and the duration of NSVT had no relation to survival, supporting the notion that NSVT is a benign finding in patients with an LVEF of 35% to 50%. PMID- 29224710 TI - SPM-1-producing Pseudomonas aeruginosa ST277 clone recovered from microbiota of migratory birds. AB - The production of Sao Paulo metallo-beta-lactamase (SPM-1) is the most common carbapenem resistance mechanism detected among multidrug-resistant Pseudomonas aeruginosa clinical isolates in Brazil. Dissemination of SPM-1-producing P. aeruginosa has been restricted to the nosocomial settings, with sporadic reports of environmental isolates due to contamination by hospital sewage. Herein, we described the detection and molecular characterization of SPM-1-producing P. aeruginosa recovered from the microbiota of migratory birds in Brazil. Three hundred gram-negative bacilli were recovered from cloacal and choanal swabs of Dendrocygna viduata during a surveillance study for detection of carbapenem resistant isolates. All isolates were identified by matrix-assisted laser desorption ionization-time of flight mass spectrometry. Molecular typing was performed by pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing. MICs were determined by agar dilution, except for polymyxin B. Antibiotic resistance genes were detected by polymerase chain reaction (PCR) followed by DNA sequencing. Transcriptional levels of oprD and efflux system encoding genes were also carried out by quantitative real-time PCR. Nine imipenem-resistant P. aeruginosa isolates were recovered with 7 of them carrying blaSPM-1. Additional resistance genes (rmtD-1, blaOXA-56,aacA4, and aac(6')-Ib-cr) were also detected in all 9 isolates. The SPM-1-producing isolates showed high MICs for all beta lactams, fluoroquinolones, and aminoglycosides, being susceptible only to polymyxin B. Interestingly, all isolates showed the same PFGE pattern and belonged to ST277. Overexpression of MexXY-OprM and MexAB-OprM was observed in those isolates that did not harbor blaSPM-1. Our results suggest that migratory birds might have played a role in the dissemination of SPM-1-producing P. aeruginosa within the Brazilian territory. PMID- 29224711 TI - [Risk factors associated with anesthesia emergence delirium in children undergoing outpatient surgery]. AB - INTRODUCTION: Anesthesia emergence delirium is a self-limiting clinical phenomenon very common in children. Although pathophysiology is still uncertain, some factors seem to be involved, such as rapid awakening in an unknown environment, agitation during anesthetic induction, preoperative anxiety, environmental disorders, use of preanesthetic medication, use of inhalational anesthetics, and postoperative pain. OBJECTIVE: To determine the prevalence and risk factors associated with anesthesia emergence delirium in children undergoing outpatient surgery. METHODS: A prospective observational study was carried out with 100 children aged 2 to 10 years, who underwent surgery on an outpatient basis. The study variables were: anesthesia emergence delirium and the associated risk factors (preoperative anxiety, child impulsive behavior, use of pre anesthetic medication, traumatic induction, type of anesthesia, and postoperative pain). Multivariate Poisson's logistic regression was used to analyze the possible explanatory variables, where the prevalence ratios were estimated with the respective 95% confidence intervals, considering a significance level of 5%. RESULTS: Delirium and pain were observed in 27% and 20% of children, respectively. Only postoperative pain after Poisson's regression, was shown to be associated with anesthesia emergence delirium, with a prevalence ratio of 3.91 (p<0.000). CONCLUSION: The present study showed 27% prevalence of anesthesia emergence delirium in the study population. The incidence of anesthesia emergence delirium was higher in children who had postoperative pain. PMID- 29224712 TI - Superior semicircular canal dehiscence: Diagnosis and management. AB - The authors provide an update on the clinical manifestations, diagnosis and various approaches to the treatment of superior semicircular canal dehiscence (SSCD). SSCD is a rare condition where the bone overlying the superior semicircular canal thins or dehisces causing characteristic clinical findings. Since this was first reported in 1998 by Minor and colleagues, there has been much advancement made in terms of diagnosis and treatment. Signs and symptoms include a wide variation of both vestibular and auditory manifestations. Diagnosis made solely on clinical signs is difficult due to how varied the presentations can be and the overlap with other otologic pathologies. High resolution CT temporal scans have been the standard in confirming superior semicircular canal dehiscence, however, MRI FIESTA scans have recently been used to image SSCD. Additionally, audiometry and vestibular evoked myogenic potential (VEMP) testing are useful screening tools. Currently, the middle fossa approach is the most common and standard surgical approach to repair SSCD. The transmastoid, endoscopic and transcanal or endaural approaches have also been recently utilized. Presently, there is no consensus as to the best approach, material or technique for repair of SSCD. As we learn more, newer and less invasive approaches and techniques are being used to treat SSCD. We present a comprehensive review of SSCD, including clinical symptoms and presentation, histopathology, diagnosis, treatment strategies and outcomes of intervention. PMID- 29224713 TI - Veterinary Oncology Immunotherapies. AB - The ideal cancer immunotherapy agent should be able to discriminate between cancer and normal cells, be potent enough to kill small or large numbers of tumor cells, and be able to prevent recurrence of the tumor. Tumor immunology and immunotherapy are among the most exciting and rapidly expanding fields; cancer immunotherapy is now recognized as a pillar of treatment alongside traditional modalities. This article highlights approaches that seem to hold particular promise in human clinical trials and many that have been tested in veterinary medicine. PMID- 29224714 TI - Corrigendum to "Impact of childhood adversities on depression in early adulthood: A longitudinal cohort study of 478,141 individuals in Sweden" [J. Affect. Disord. 223 (2017) 95-100]. PMID- 29224715 TI - Ebola virus disease: Biological and diagnostic evolution from 2014 to 2017. AB - The Ebola virus disease outbreak observed in West Africa from March 2014 to June 2016 has led to many fundamental and applied research works. Knowledge of this virus has substantially increased. Treatment of many patients in epidemic countries and a few imported cases in developed countries led to developing new diagnostic methods and to adapt laboratory organization and biosafety precautions to perform conventional biological analyses. Clinical and biological monitoring of patients infected with Ebola virus disease helped to determine severity criteria and bad prognosis markers. It also contributed to showing the possibility of viral sanctuaries in patients and the risk of transmission after recovery. After a summary of recent knowledge of environmental and clinical viral persistence, we aimed to present new diagnostic methods and other biological tests that led to highlighting the pathophysiological consequences of Ebola virus disease and its prognostic markers. We also aimed to describe our lab experience in the care of Ebola virus-infected patients, especially technical and logistical changes between 2014 and 2017. PMID- 29224716 TI - The role of constructed wetlands in a new circular economy, resource oriented, and ecosystem services paradigm. AB - Wastewater management is included in one of the 17 Sustainable Development Goals (SDGs): SDG 6 is dedicated to water and sanitation and sets out to "ensure availability and sustainable management of water and sanitation for all". SDG 6 expands the Millennium Development Goals (MDGs) focus on drinking water and basic sanitation to now cover the entire water cycle, including the management of water, wastewater and ecosystem resources. A UN report in 2017 states that likely over 80% of the wastewater worldwide is still discharged without adequate treatment. In several countries the wastewater management is nowadays a norm, but still there are open discussions about the kind of approach to be adopted, i.e. centralisation vs. decentralisation. The choice of the adopted technologies is strictly linked to environmental performances and economical aspects; one of the possible causes for the still enormous amount of untreated wastewater discharged into the environment can be the low "willingness to pay" for this kind of service and therefore a great focus should be given to all the technologies that are able to lower the treatment costs still maintaining reliable and robust performances in the long term. When considering wastewater as a carrier of valuable primary chemicals that can be easily converted to marketable products (fertilisers, bio plastics, soil conditioners, biofuels, etc.), and as well as a relevant source of "new water" to be used for specific purposes, wastewater and runoff management can be highlighted as one of the most exciting challenges and occasions for a sustainable development in the near future. The paper aims to clarify the future role of CWs in circular economy, resource-oriented, and ecosystem services approaches, which want to respond to sanitation worldwide and the future research needs. We give an overview on how the conventional wastewater treatment scheme (what we call "waste paradigm") should move towards more sustainable water and biogeochemical cycles following the new resource-oriented, circular economy and ecosystem service views. On this basis, we review the potential application of CWs within this new, and needed, paradigm. Finally, a meta-analysis shows that the scientific community involved in CWs should put more effort in making CWs more suitable for these new tasks. PMID- 29224717 TI - Fronto-parietal organization for response times in inhibition of return: The FORTIOR model. AB - Inhibition of Return (IOR) refers to a slowing of response times (RTs) for visual stimuli repeated at the same spatial location, as compared to stimuli occurring at novel locations. The functional mechanisms and the neural bases of this phenomenon remain debated. Here we present FORTIOR, a model of the cortical control of visual IOR in the human brain. The model is based on known facts about the anatomical and functional organization of fronto-parietal attention networks, and accounts for a broad range of behavioral findings in healthy participants and brain-damaged patients. FORTIOR does that by combining four principles of asymmetry: FORTIOR accounts for spatial asymmetries in the occurrence of IOR after brain damage and after non-invasive transcranial magnetic stimulation on parietal and frontal regions. It also provides a framework to understand dissociations between manual and saccadic IOR, and makes testable predictions for future experiments to assess its validity. PMID- 29224718 TI - Bionic Manufacturing: Towards Cyborg Cells and Sentient Microbots. AB - Bio-inspired engineering applies biological design principles towards developing engineering solutions but is not practical as a manufacturing paradigm. We advocate 'bionic manufacturing', a synergistic fusion of biotic and abiotic components, to transition away from bio-inspiration toward bio-augmentation to address current limitations in bio-inspired manufacturing. PMID- 29224719 TI - Cyberbiosecurity: From Naive Trust to Risk Awareness. AB - The cyber-physical nature of biotechnology raises unprecedented security concerns. Computers can be compromised by encoding malware in DNA sequences, and biological threats can be synthesized using publicly available data. Trust within the biotechnology community creates vulnerabilities at the interface between cyberspace and biology. Awareness is a prerequisite to managing these risks. PMID- 29224720 TI - CTNNB1 mutations in basal cell adenoma of the salivary gland. AB - BACKGROUND/PURPOSE: Basal cell adenoma (BCA) and basal cell adenocarcinoma (BCAC) are uncommon salivary gland tumors comprising proliferation of basaloid cells. Nuclear beta-catenin expression and mutations in its encoding gene (CTNNB1) are reported to be specific to BCA. PIK3CA mutations are only found in BCAC not in BCA. However, in previous studies the number of cases was relatively small. The present study analyzed 44 cases of basal cell neoplasms to identify the CTNNB1 and PIK3CA mutation profiles in this rare salivary gland tumor. METHODS: The basic clinical features and detailed histological patterns of 41 BCA and three BCAC cases were analyzed. All basal cell neoplasms and a tissue microarray of adenoid cystic carcinoma (AdCC) were tested for beta-catenin immunohistochemistry. CTNNB1, PIK3CA, and CYLD mutations were detected by PCR and Sanger sequencing in each case. RESULTS: Nuclear beta-catenin expression was present in 97.6% of BCA and 66.7% of BCAC cases but not in AdCC cases. CTNNB1 mutations were found in 60% of BCA but not in BCAC. None of the tested cases had PIK3CA mutations. CTNNB1 mutation trended to be more common in those cases having a predominant tubular or tubulotrabecular patterns (p = 0.059). CONCLUSION: beta catenin immunohistochemistry is very useful for the differential diagnosis between BCA/BCAC and AdCC. CTNNB1 mutations are common in BCA, especially those with tubular or tubulotrabecular patterns. PMID- 29224721 TI - Synergistic Processing of Visual Contours across Cortical Layers in V1 and V2. AB - Visual cortical areas are interconnected via layer-specific feedforward and feedback projections. Such intricate connections are thought to be essential for parsing complex visual images, but the synergy among different layers in different cortical areas remains unclear. By simultaneously mapping neuronal activities across cortical depths in V1 and V2 of behaving monkeys, we identified spatiotemporally dissociable processes for grouping contour fragments and segregating background components. These processes generated and amplified contour signals within specific layers in V1 and V2. Contour-related inter-areal interactions, measured as Granger causality, were also dominant between these cortical layers within a time window when the contour signals were rapidly augmented. The grouping process became much faster for isolated contour elements compared with visual contours embedded in a complex background. Our results delineate the mode whereby image components are grouped and segmented through synergistic inter-laminar and inter-areal processes that are dynamically adjusted during interpretation of sensory inputs. PMID- 29224722 TI - NRAP-1 Is a Presynaptically Released NMDA Receptor Auxiliary Protein that Modifies Synaptic Strength. AB - NMDA receptors (NMDARs) are a subtype of postsynaptic ionotropic glutamate receptors that function as molecular coincidence detectors, have critical roles in models of learning, and are associated with a variety of neurological and psychiatric disorders. To date, no auxiliary proteins that modify NMDARs have been identified. Here, we report the identification of NRAP-1, an auxiliary protein in C. elegans that modulates NMDAR function. NMDAR-mediated currents were eliminated in nrap-1 mutants, as was NMDA-dependent behavior. We show that reconstitution of NMDA-gated current in Xenopus oocytes, or C. elegans muscle cells, depends on NRAP-1 and that recombinant NRAP-1 can convert silent NMDARs to functional channels. Our data indicate that NRAP-1, secreted from presynaptic neurons, localizes to glutamatergic synapses, where it associates with postsynaptic NMDARs to modify receptor gating. Thus, our studies reveal a novel mechanism for synaptic regulation via pre-synaptic control of NMDAR-mediated synaptic transmission. PMID- 29224723 TI - Neural Basis of Cognitive Control over Movement Inhibition: Human fMRI and Primate Electrophysiology Evidence. AB - Executive control involves the ability to flexibly inhibit or change an action when it is contextually inappropriate. Using the complimentary techniques of human fMRI and monkey electrophysiology in a context-dependent stop signal task, we found a functional double dissociation between the right ventrolateral prefrontal cortex (rVLPFC) and the bi-lateral frontal eye field (FEF). Different regions of rVLPFC were associated with context-based signal meaning versus intention to inhibit a response, while FEF activity corresponded to success or failure of the response inhibition regardless of the stimulus response mapping or the context. These results were validated by electrophysiological recordings in rVLPFC and FEF from one monkey. Inhibition of a planned behavior is therefore likely not governed by a single brain system as had been previously proposed, but instead depends on two distinct neural processes involving different sub-regions of the rVLPFC and their interactions with other motor-related brain regions. PMID- 29224724 TI - Injecting Instructions into Premotor Cortex. AB - The premotor cortex (PM) receives inputs from parietal cortical areas representing processed visuospatial information, translates that information into programs for particular movements, and communicates those programs to the primary motor cortex (M1) for execution. Consistent with this general function, intracortical microstimulation (ICMS) in the PM of sufficient frequency, amplitude, and duration has been shown to evoke complex movements of the arm and hand that vary systematically depending on the locus of stimulation. Using frequencies and amplitudes too low to evoke muscle activity, however, we found that ICMS in the PM can provide instructions to perform specific reach, grasp, and manipulate movements. These instructed actions were not fixed but rather were learned through associations between the arbitrary stimulation locations and particular movements. Low-amplitude ICMS at different PM locations thus evokes distinguishable experiences that can become associated with specific movements arbitrarily, providing a novel means of injecting information into the nervous system. PMID- 29224726 TI - Decoding a Decision Process in the Neuronal Population of Dorsal Premotor Cortex. AB - When trained monkeys discriminate the temporal structure of two sequential vibrotactile stimuli, dorsal premotor cortex (DPC) showed high heterogeneity among its neuronal responses. Notably, DPC neurons coded stimulus patterns as broader categories and signaled them during working memory, comparison, and postponed decision periods. Here, we show that such population activity can be condensed into two major coding components: one that persistently represented in working memory both the first stimulus identity and the postponed informed choice and another that transiently coded the initial sensory information and the result of the comparison between the two stimuli. Additionally, we identified relevant signals that coded the timing of task events. These temporal and task-parameter readouts were shown to be strongly linked to the monkeys' behavior when contrasted to those obtained in a non-demanding cognitive control task and during error trials. These signals, hidden in the heterogeneity, were prominently represented by the DPC population response. PMID- 29224725 TI - RORbeta Spinal Interneurons Gate Sensory Transmission during Locomotion to Secure a Fluid Walking Gait. AB - Animals depend on sensory feedback from mechanosensory afferents for the dynamic control of movement. This sensory feedback needs to be selectively modulated in a task- and context-dependent manner. Here, we show that inhibitory interneurons (INs) expressing the RORbeta orphan nuclear receptor gate sensory feedback to the spinal motor system during walking and are required for the production of a fluid locomotor rhythm. Genetic manipulations that abrogate inhibitory RORbeta IN function result in an ataxic gait characterized by exaggerated flexion movements and marked alterations to the step cycle. Inactivation of RORbeta in inhibitory neurons leads to reduced presynaptic inhibition and changes to sensory-evoked reflexes, arguing that the RORbeta inhibitory INs function to suppress the sensory transmission pathways that activate flexor motor reflexes and interfere with the ongoing locomotor program. VIDEO ABSTRACT. PMID- 29224728 TI - Social Media, Open Science, and Data Science Are Inextricably Linked. AB - Should scientists use social media? Why practice open science? What is data science? Ten years ago, these phrases hardly existed. Now they are ubiquitous. Here I argue that these phenomena are inextricably linked and reflect similar underlying social and technological transformations. PMID- 29224727 TI - High-Resolution CBV-fMRI Allows Mapping of Laminar Activity and Connectivity of Cortical Input and Output in Human M1. AB - Layer-dependent fMRI allows measurements of information flow in cortical circuits, as afferent and efferent connections terminate in different cortical layers. However, it is unknown to what level human fMRI is specific and sensitive enough to reveal directional functional activity across layers. To answer this question, we developed acquisition and analysis methods for blood-oxygen-level dependent (BOLD) and cerebral-blood-volume (CBV)-based laminar fMRI and used these to discriminate four different tasks in the human motor cortex (M1). In agreement with anatomical data from animal studies, we found evidence for somatosensory and premotor input in superficial layers of M1 and for cortico spinal motor output in deep layers. Laminar resting-state fMRI showed directional functional connectivity of M1 with somatosensory and premotor areas. Our findings demonstrate that CBV-fMRI can be used to investigate cortical activity in humans with unprecedented detail, allowing investigations of information flow between brain regions and outperforming conventional BOLD results that are often buried under vascular biases. PMID- 29224729 TI - Different Cognitive Complaint Profiles in Memory Clinic and Depressive Patients. AB - OBJECTIVE: Cognitive complaints are considered early indicators of incipient Alzheimer's disease (AD) but are very common in geriatric patients, especially in patients with major depressive disorder (MDD). The clinical assessment of cognitive complaints is still poorly operationalized. Recent qualitative research suggests that certain phenomenologic complaint themes may have some specificity for prodromal AD. The aim of the study was to replicate and explore their occurrence in a clinical setting. METHODS: In a cross-sectional, case-control study using a mixed-methods approach, 23 memory clinic (cognitive complainers [CC]) patients, 21 psychiatric inpatients with MDD, and 21 healthy control subjects, aged 55-86 years, were assessed at the Department of Psychiatry and Psychotherapy and German Center for Neurodegenerative Diseases, Bonn. A newly developed semistructured interview addressing 12 complaint themes was used, and transcribed open format responses were coded by qualitative expert rating (theme absent versus present) and compared between the groups. RESULTS: Seven complaint themes (e.g., sense of predomination, progression) were significantly more often endorsed by the CC group, together with a novel theme of "distractible speech." Complaint themes in those with depression aligned with the depressive symptoms and appeared to be partly different from the complaint pattern of the CC group. CONCLUSION: Previously established themes were found to be feasible for conversion into a semistructured interview. Several complaint phenotypes were confirmed and previous themes significantly expanded by providing first evidence for a qualitatively different complaint profile in MDD compared with CC. Future investigations may benefit from better characterizing the phenomenologic and qualitative characteristics of AD-related complaints. PMID- 29224731 TI - Highly specific real-time quantification of diverse microRNAs in human samples using universal primer set frame. AB - In this study, one group of universal primer set frame, composed by one reverse transcription (RT) primer frame and a pair of quantitative real-time polymerase chain reaction (qRT-PCR) primer frames, was elaborately screened and designed by homebuilt software for sensitive and specific quantification of diverse miRNAs. The universal primer set frame can be applied for multiplex miRNAs detection by simply changing the RT-X part of RT primer frame and RP-Y part of qRT-PCR reverse primer frame based on target sequence. The maximum similarity of RT-Y, RT-Z and qRT-PCR forward primer to the human genome and human transcriptome is less than 76%, ensuring the high specificity in human sample detection. The high sensitivity and broad dynamic linear range of the developed approaches by using designed primer set frame were demonstrated on the in vitro detection of miR-21 and miR-155, with dynamic range of 10 fM to 10 nM and detection limit of 3.74 * 10-15 M and 5.81 * 10-15 M for miR-21 and miR-155, respectively. In particular, the developed assays also have high sequence specificity which could clearly discriminate a single base difference in miRNA sequence. The contents of miR-21 and miR-155 in tissue and serum samples have been successfully detected using the developed assays. Results indicated that miR-21 and miR-155 were elevated in cancer tissue and serum specimens than that of normal samples, implying the developed assays hold a great promise for further application in biomedical research and early clinical diagnosis. More importantly, the primer set frame can be universally used in any miRNA investigation. PMID- 29224730 TI - A validated calculator to estimate risk of cesarean after an induction of labor with an unfavorable cervix. AB - BACKGROUND: Induction of labor occurs in >20% of pregnancies, which equates to approximately 1 million women undergoing an induction in the United States annually. Regardless of how common inductions are, our ability to predict induction success is limited. Although multiple risk factors for a failed induction have been identified, risk factors alone are not enough to quantify an actual risk of cesarean for an individual woman undergoing a cesarean. OBJECTIVE: The objective of this study was to derive and validate a prediction model for cesarean after induction with an unfavorable cervix and to create a Web-based calculator to assist in patient counseling. STUDY DESIGN: Derivation and validation of a prediction model for cesarean delivery after induction was performed as part of a planned secondary analysis of a large randomized trial. A predictive model for cesarean delivery was derived using multivariable logistic regression from a large randomized trial on induction methods (n = 491) that took place from 2013 through 2015 at an academic institution. Full-term (>=37 weeks) women carrying a singleton gestation with intact membranes and an unfavorable cervix (Bishop score <=6 and dilation <=2 cm) undergoing an induction were included in this trial. Both nulliparous and multiparous women were included. Women with a prior cesarean were excluded. Refinement of the prediction model was performed using an observational cohort of women from the same institution who underwent an induction (n = 364) during the trial period. An external validation was performed utilizing a publicly available database (Consortium for Safe Labor) that includes information for >200,000 deliveries from 19 hospitals across the United States from 2002 through 2008. After applying the same inclusion and exclusion criteria utilized in the derivation cohort, a total of 8466 women remained for analysis. The discriminative power of each model was assessed using a bootstrap, bias-corrected area under the curve. RESULTS: The cesarean delivery rates in the derivation and external validation groups were: 27.7% (n = 136/491) and 26.4% (n = 2235/8466). In multivariable modeling, nulliparity, gestation age >=40 weeks, body mass index at delivery, modified Bishop score, and height were significantly associated with cesarean. A nomogram and calculator were created and found to have an area under the curve in the external validation cohort of 0.73 (95% confidence interval, 0.72-0.74). CONCLUSION: A nomogram and user friendly Web-based calculator that incorporates 5 variables known at the start of induction has been developed and validated. It can be found at: http://www.uphs.upenn.edu/obgyn/labor-induction-calculator/. This calculator can be used to augment patient counseling for women undergoing an induction with an unfavorable cervix. PMID- 29224732 TI - Handheld isothermal amplification and electrochemical detection of DNA in resource-limited settings. AB - This paper demonstrates a new method for electrochemical detection of specific sequences of DNA present in trace amounts in serum or blood. This method is designed for use at the point-of-care (particularly in resource-limited settings). By combining recombinase polymerase amplification (RPA)- an isothermal alternative to the polymerase chain reaction - with an electroactive mediator, this electrochemical methodology enables accurate detection of DNA in the field using a low-cost, portable electrochemical analyzer (specifically designed for this type of analysis). This handheld device has four attributes: (1) It uses disposable, paper-based strips that incorporate screen-printed carbon electrodes; (2) It accomplishes thermoregulation with +/-0.1 degrees C temperature accuracy; (3) It enables electrochemical detection using a variety of pulse sequences, including square-wave and cyclic voltammetry, and coulometry; (4) It is operationally simple to use. Detection of genomic DNA from Mycobacterium smegmatis (a surrogate for M. tuberculosis-the main cause of tuberculosis), and from M. tuberculosis itself down to ~0.040 ng/MUL provides a proof-of-concept for the applicability of this method of screening for disease using molecular diagnostics. With minor modifications to the reagents, this method will also enable field monitoring of food and water quality. PMID- 29224733 TI - Validated MALDI-TOF-MS method for anthrax lethal factor provides early diagnosis and evaluation of therapeutics. AB - Anthrax lethal factor (LF) is a zinc-dependent endoprotease and a critical virulence factor for Bacillus anthracis, the causative agent of anthrax. The mass spectrometry (MS) method for total-LF quantification includes three steps; 1) LF specific antibody capture/concentration, 2) LF-specific hydrolysis of a peptide substrate, and 3) detection and quantification of LF-cleaved peptides by isotope dilution MALDI-TOF/MS. Recombinant LF spiked plasma was used for calibration and quality control (QC) materials. Specificity was 100% from analysis of serum and plasma from 383 non-infected humans, 31 rabbits, and 24 rhesus macaques. Sensitivity was 100% from 32 human clinical anthrax cases including infections by inhalation, ingestion, cutaneous and injection exposures and experimental infections for 29 rabbits and 24 rhesus macaques with inhalation anthrax. Robustness evaluation included sample storage, serum and plasma, antimicrobial and antitoxin effects and long-term performance. Data from 100 independent runs gave detection limits 0.01 ng/mL (111 amol/mL) for the 4-h method and 0.0027 ng/mL (30 amol/mL) for an alternate 20-h method. QC precision ranged from 7.7 to 14.8% coefficient of variation and accuracy from 0.2 to 9.8% error. The validated LF MS method provides sensitive quantification of anthrax total-LF using a robust high throughput platform for early diagnosis and evaluation of therapeutics during an anthrax emergency. PMID- 29224734 TI - Optimization of the quenching and extraction procedures for a metabolomic analysis of Lactobacillus plantarum. AB - This study evaluated the quenching and extraction procedures using different solvents at different temperatures for Lactobacillus plantarum ZS2058. Eight quenching methods that used readily available organic solvents (methanol and ethanol) or cryoprotectants (glycerol and dimethyl sulfoxide) were evaluated quantitatively, and their effects on cell membrane integrity and metabolic inactivation were assessed by propidium iodide and energy charge assays, respectively. The combination of 20% methanol and 0.9% sodium chloride (-4 degrees C), with the lowest propidium iodide labelling rate of 3.06 +/- 0.16% and the highest energy charge value of 0.849 +/- 0.003, outperformed most of its counterparts and was adopted for further use. To retrieve most of the cellular metabolites, four extraction solvent systems, including methyl tert-butyl ether/methanol/water, methanol/water, acetonitrile/water and acetonitrile/methnol/water, were evaluated. And acetonitrile/methnol/water was found to be the most efficient one as, among other solvents, it yielded the highest metabolite abundances for most of the metabolites. Furthermore, the protocol was subjected to analytical validation using a series of selected representative metabolites and yielded a linear range of 0.00128-100 MUg mL-1 with coefficients of 0.9953-0.9999 and recovery levels of 90%-110%. These results suggest the reliability of the proposed method for L. plantarum ZS2058. PMID- 29224735 TI - A novel three-dimensional cell culture method enhances antiviral drug screening in primary human cells. AB - Gefitinib is a specific inhibitor of the epidermal growth factor receptor (EGFR) and FDA approved for treatment of non-small cell lung cancer. In a previous study we could show the in vitro efficacy of gefitinib for treatment of poxvirus infections in monolayer (2D) cultivated cell lines. Permanent cell lines and 2D cultures, however, are known to be rather unphysiological; therefore it is difficult to predict whether determined effective concentrations or the drug efficacy per se are transferable to the in vivo situation. 3D cell cultures, which meanwhile are widely distributed across all fields of research, are a promising tool for more predictive in vitro investigations of antiviral compounds. In this study the spreading of cowpox virus and the antiviral efficacy of gefitinib were analyzed in primary human keratinocytes (NHEK) grown in a novel 3D extracellular matrix-based cell culture model and compared to the respective monolayer culture. 3D-cultivated NHEK grew in a polarized and thus a more physiological manner with altered morphology and close cell-cell contact. Infected cultures showed a strongly elevated sensitivity towards gefitinib. EGFR phosphorylation, cell proliferation, and virus replication were significantly reduced in 3D cultures at gefitinib concentrations which were at least 100-fold lower than those in monolayer cultures and well below the level of cytotoxicity. Our newly established 3D cell culture model with primary human cells is an easy to-handle alternative to conventional monolayer cell cultures and previously described more complex 3D cell culture systems. It can easily be adapted to other cell types and a broad spectrum of viruses for antiviral drug screening and many other aspects of virus research under more in vivo-like conditions. In consequence, it may contribute to a more targeted realization of necessary in vivo experiments. PMID- 29224736 TI - A natural small molecule inhibitor corilagin blocks HCV replication and modulates oxidative stress to reduce liver damage. AB - Hepatitis C virus (HCV) infection causes chronic liver disease, which often leads to hepatocellular carcinoma. Earlier, we have demonstrated anti-HCV property of the methanolic extract of Phyllanthus amarus, an age-old folk-medicine against viral hepatitis. Here, we report identification of a principal bioactive component 'corilagin', which showed significant inhibition of the HCV key enzymes, NS3 protease and NS5B RNA-dependent-RNA-polymerase. This pure compound could effectively inhibit viral replication in the infectious cell culture system, displayed strong antioxidant activity by blocking HCV induced generation of reactive oxygen species and suppressed up-regulation of NOX4 and TGF-beta mRNA levels. Oral administration of corilagin in BALB/c mice demonstrated its better tolerability and systemic bioavailability. More importantly, corilagin could restrict serum HCV RNA levels, decrease collagen deposition and hepatic cell denaturation in HCV infected chimeric mice harbouring human hepatocytes. Taken together, results provide a basis towards developing a pure natural drug as an alternate therapeutic strategy for restricting viral replication and prevent liver damage towards better management of HCV induced pathogenesis. PMID- 29224737 TI - Staging Computed Tomography in Patients With Noncurative Laparotomy for Periampullary Cancer: Does Nonstructured Reporting Adequately Communicate Resectability? PMID- 29224738 TI - Uncertainty about the intensity of impending pain increases ensuing pain responses in congenital blindness. AB - We have shown that congenitally blind individuals are more sensitive to painful heat compared to their sighted counterparts. This hypersensitivity might be at least partly mediated by psychological and cognitive factors, such as pain expectation and anxiety. Here we investigate whether uncertainty about the intensity of a pending painful stimulus affects pain differently in congenitally blind and sighted control subjects. We measured pain and anxiety in a group of 11 congenitally blind and 11 age- and sex-matched normal sighted control participants. Painful stimuli were delivered under two psychological conditions, whereby participants were either certain or uncertain about the intensity of a pending noxious stimuli. Although both blind and sighted participants had increased anxiety ratings in the uncertain condition, pain ratings increased only in the congenitally blind participants. Our data therefore indicate that increased anxiety levels have a stronger influence on the perceived pain intensity in blind individuals, possibly because they allocate greater attention to signals of external threat. PMID- 29224739 TI - The Frequency of Unnecessary Testing in Hospitalized Patients. PMID- 29224740 TI - Chest Pain and Mental Stress-Induced Myocardial Ischemia: Sex Differences. AB - BACKGROUND: Mental stress-induced myocardial ischemia is a frequent phenomenon in patients with coronary artery disease. Women with coronary artery disease tend to have more mental stress-induced myocardial ischemia and more chest pain/anginal symptoms than men, but whether the association between mental stress-induced myocardial ischemia and angina burden differs in women and men is unknown. METHODS: This was a cross-sectional study with experimental manipulation of 950 individuals with stable coronary artery disease. Chest pain/angina frequency in the previous 4 weeks was assessed with the Seattle Angina Questionnaire's angina frequency subscale. Mental stress-induced myocardial ischemia was assessed with myocardial perfusion imaging during mental stress (standardized public speaking task). Presence of mental stress-induced myocardial ischemia was based on expert readers and established criteria. A conventional (exercise or pharmacologic) stress test was used as a control condition. RESULTS: Overall, 338 individuals (37%) reported angina; 112 (12%) developed mental stress-induced myocardial ischemia, and 256 (29%) developed conventional stress ischemia. Women who reported angina had almost double the probability to develop mental stress induced myocardial ischemia (19% vs 10%, adjusted prevalence rate ratio, 1.90; 95% confidence interval, 1.04-3.46), whereas there was no such difference in men (11% vs 11%, adjusted prevalence rate ratio, 1.09; 95% confidence interval, 0.66 1.82). No association was found between angina symptoms and conventional stress ischemia for women or men. Results for ischemia as a continuous variable were similar. CONCLUSIONS: In women, but not in men, anginal symptoms may be a marker of vulnerability toward ischemia induced by psychologic stress. These results highlight the psychosocial origins of angina in women and may have important implications for the management and prognosis of women with angina. PMID- 29224741 TI - Identification of d-seco modified steroid derivatives with affinity for estrogen receptor alpha and beta isoforms using a non-transcriptional fluorescent cell assay in yeast. AB - Synthesis and biological evaluation of steroidal derivatives with anticancer properties is an active area of drug discovery. Here we measured the relative affinities of d-seco modified steroidal derivatives for estrogen receptor alpha, estrogen receptor beta or androgen receptor ligand binding domains using an optimized non-transcriptional fluorescent cell assay in yeast. Ligand binding domains of steroid receptors were expressed in-frame with yellow fluorescent protein in the yeast Saccharomyces cerevisiae. Addition of known steroid ligands to yeast expressing the appropriate cognate receptor results in increased fluorescence intensity, enabling estimation of receptor binding affinities in a dose-response and time-dependent manner. Relative binding affinities of d-seco modified steroidal derivatives 1-4 were then evaluated using this yeast system by live cell fluorimetry and fluorescence microscopy, coupled with in vitro cytotoxicity and in silico molecular docking studies. d-Seco estratriene derivative 2displayed strong affinity for both estrogen receptor alpha and beta ligand binding domains and negligible affinity for the androgen receptor ligand binding domain. Compound 2 also showed moderate cytotoxicity against estrogen receptor positive MCF-7 breast adenocarcinoma cells. In addition to identification of new ligands for steroid receptors, this assay could also be used to filter out compounds with potential for off-target interactions with steroid receptors during the early stages of compound screening. PMID- 29224742 TI - The importance of synovial inflammation in osteoarthritis: current evidence from imaging assessments and clinical trials. AB - Synovial abnormalities have been observed at multiple stages of osteoarthritis (OA). Increasing evidence suggests that it may play an important role in the OA pathological process. Many assessment systems using magnetic resonance imaging (MRI) and ultrasound have been established to detect synovial inflammation in OA. These have been used to inform the current investigation of OA disease phenotypes and progression and can be utilised in the future for clinical trials developing potential treatments. This narrative review aims to illustrate the importance of synovial tissue in OA and provide an overview of imaging assessments and possible therapies targeting synovial abnormalities. PMID- 29224743 TI - Clinical Study of Intracranial and Extracranial Atherosclerotic Stenosis in Spontaneous Intracerebral Hemorrhage Patients. AB - BACKGROUND AND PURPOSE: Nowadays, researchers had begun to focus on the use of antiplatelet and statins in patients with spontaneous intracerebral hemorrhage (sICH), but atherosclerosis treatment remains uncertain in these patients. We aimed to investigate the incidence and characteristics of intracranial and extracranial atherosclerotic stenosis in these patients and analyze its related risk factors. METHODS: Intracranial and extracranial arteries of consecutive patients with sICH were studied retrospectively with computed tomography angiography of head and neck. The risk factors, severity, and distribution of atherosclerotic stenosis were examined and analyzed. RESULTS: We included 226 patients with sICH, of whom 110 patients (48.7%) had atherosclerotic stenosis. Of the patients, 57 (51.8%) had intracranial stenosis and 75 (68.2%) had multiple stenosis. A total of 1870 vessels were examined and 287 vessels (15.3%) had atherosclerotic stenosis, of which 217 cases (75.6%) were mild stenosis. Intracranial and extracranial atherosclerosis was more likely to be found in patients with advanced age (P < .001), diabetes mellitus (P = .008), non-deep hemorrhage (P = .011). CONCLUSIONS: Atherosclerotic stenosis is common in patients with sICH, and is characterized by mild stenosis and the involvement of multiple sites. The stenosis of the vertebrobasilar system is relatively severe. Advanced age, diabetes mellitus, and non-deep bleeding are its related risks. PMID- 29224744 TI - Low- versus Standard-Dose Intravenous Tissue-Type Plasminogen Activator for Acute Ischemic Stroke: An Updated Meta-Analysis. AB - BACKGROUND: We performed a meta-analysis to compare the efficacy and safety between low- and standard-dose intravenous (IV) tissue-type plasminogen activator (tPA) for acute ischemic stroke (AIS) patients within 4.5 hours of symptom onset. METHODS: We searched PubMed and EMBASE for relevant studies from inception to June1, 2017. Cohort or randomized controlled studies for AIS within 4.5 hours of symptom onset with comparison between low-dose and standard-dose tPA were included. The primary efficacy end point was favorable functional outcome (modified Rankin scale scores [mRS] of 0-1) at 90 days. The primary safety end point was the incidence rate of symptomatic intracerebral hemorrhage (sICH). The secondary end points were independent functional outcome (mRS scores of 0-2) and mortality. RESULTS: A total of 11 studies were pooled in this meta-analysis. The low-dose strategy appeared to be as effective as standard-dose tPA (43.4% versus 45.4%; odds ratio [OR] = 0.93, 95% confidence interval [CI]: 0.78-1.10; P = .38) in primary efficacy outcome. The secondary efficacy outcome produced similar results (57.3% versus 57.0%; OR = 0.95, 95% CI: 0.86-1.05; P= .33). There was no evidence of statistical difference for sICH (4.2% versus 4.9%; OR = 1.02 [0.66 1.55]; P = .94) and mortality (9.0% versus 10.6%; OR = 0.99 [0.74-1.31]; P = .92) at 90 days between low- and standard-dose therapy. In a subgroup analysis by ethnicity, there was no significant difference between patients of Asian and non Asian descent for any of the end points. CONCLUSIONS: This study showed that AIS patients receiving low-dose IV-tPA had comparably efficacy and safety to those receiving standard-dose IV-tPA. However, the effect is especially pronounced within the Asian population, which limits the generalizability of these results. PMID- 29224745 TI - Cranial MRI in a young child with cochlear implants after bilateral magnet removal. AB - A young bilateral cochlear implant (CI) user required magnetic resonance imaging (MRI) to determine the cause of hydrocephalus. The images obtained with the CIs in place were not diagnostically useful due to large artefacts generated by the CI magnets. We obtained useful images by bilaterally explanting the CI-magnets and replacing them with non-magnetic placeholder dummies then conducted the imaging. The artefact in the new images was greatly reduced and the images were diagnostically useful. Lastly, we explanted the dummies and reimplanted the CI magnets. This procedure should be useful to obtain useful images in CI users. PMID- 29224746 TI - Spontaneous regression of laryngeal carcinoma in 10 year old boy: A case report and review of literature. AB - Laryngeal carcinoma is a rare pathology in children, with only 92 cases reported. Spontaneous regression of laryngeal carcinoma is even more unique clinical event, so far only observed in adults. In this report we present an extraordinary case of a 10 year old patient with laryngeal squamous cell carcinoma that underwent spontaneous regression. PMID- 29224747 TI - Next-generation sequencing identifies three novel missense variants in ILDR1 and MYO6 genes in an Iranian family with hearing loss with review of the literature. AB - OBJECTIVES: Hearing impairment is the most common sensorineural disorder and is genetically heterogeneous. Identification of the pathogenic mutations underlying hearing impairment is difficult, since causative mutations in 127 different genes have so far been reported. METHODS: In this study, we performed Next-generation sequencing (NGS) in 2 individuals from a consanguineous family with hearing loss. RESULTS: Three novel mutations in known deafness genes were identified in the family; MYO6-p.R928C and -p.D1223N in heterozygous state and ILDR1-p.Y143C in homozygous state. Sanger sequencing confirmed co-segregation of the three mutations with deafness in the family. The identified mutation in ILDR1 gene is located in the immunoglobulin-type domain of the ILDR1 protein and the detected mutations in MY06 are located in the tail domain of the MYO6 protein. The mutations are predicted to be pathogenic by SIFT, PolyPhen and Mutation Taster. CONCLUSIONS: Our results suggest that either the homozygous ILDR1-p.Y143C mutation might be the pathogenic variant for ARNSHL or heterozygous MYO6- p.R928C, -p.D1223N might be involved in these patient's disorder due to compound heterozygousity. To our knowledge, this is the first ILDR1 and MYO6 mutations recognized in the southwest Iran. Our data expands the spectrum of mutations in ILDR1 and MYO6 genes. PMID- 29224749 TI - Supraglottoplasty for laryngomalacia: The experience from Concepcion, Chile. AB - OBJECTIVE: To review the clinical manifestations and outcomes of supraglottoplasty in patients with moderate to severe laryngomalacia at Guillermo Grant Benavente Hospital between January 2015 and January 2017. METHODS: Retrospective study of patients with laryngomalacia who underwent CO2 laser supraglottoplasty at a tertiary referral center. A review of medical records of these patients was performed. Epidemiological data along with symptoms, comorbidities, morphological type of laryngomalacia, synchronous airway lesions, surgery outcomes and satisfaction of parents after the procedure were recorded. Surgical success was defined as the resolution of the criteria of severity of laryngomalacia. RESULTS: Twenty-four patients were operated, 1 was excluded due to prior tracheostomy. Twenty-three patients were included, the median age at the time of surgery was 5.5 months. All the patients had stridor, 87% presented feeding difficulties, 34.8 % had cyanosis and 21.7% had failure to thrive. Six cases had congenital anomalies and four cases had nongenetic comorbidities. Fifteen patients (65.2%) had synchronous airway lesions. 17.4% had type I laryngomalacia and 82.6% were type 2. The postoperative average hospital stay was 1.3 days. The average follow-up was 14 months and no complications were reported. The overall success rate of surgery was 95%. CONCLUSIONS: Patients with laryngomalacia and any symptom of severity should undergo a full airway evaluation, to rule out synchronous airway lesions, and supraglottoplasty if needed, as it has been shown to be a safe and effective technique for the management of these patients. PMID- 29224748 TI - Audiological findings in a de novo mutation of ANKRD11 gene in KBG syndrome: Report of a case and review of the literature. AB - KBG syndrome is a rare genetic disorder, due to a mutation of ANKRD11, characterized by specific craniofacial dysmorphism, short stature and macrodontia of upper central incisors, intellectual disability and skeletal anomalies. We report a de novo mutation of ANKRD11 gene in a 7-years old girl, affected by KBG syndrome with bilateral conductive hearing loss. The aim of this article was to review the audiological findings of this syndrome. PMID- 29224750 TI - Blood transfusion in children with sickle cell disease undergoing tonsillectomy. AB - INTRODUCTION: Tonsillectomy is the second most common surgery in children with sickle cell disease. These children are at an increased risk of perioperative complications due to vaso-occlusive events. Although controversial, preoperative blood transfusions are sometimes given in an effort to prevent such complications. The purpose of this study is to analyze trends in the use of blood transfusion for management of children with sickle cell disease (SCD) undergoing tonsillectomy in a national database. METHODS: Patients in the 1997-2012 KID with a primary procedure matching the ICD-9 procedure code for tonsillectomy (28.2 28.3) and diagnosis code for SCD (282.60-282.69) were examined. Patients were split into groups by blood transfusion status and compared across variables including complication rate, length of stay (LOS), and hospital charges. Statistical analysis included chi-square test for trend, Mann-Whitney U test, and independent t-test. RESULTS: 1133 patients with SCD underwent tonsillectomy. There was a strong positive correlation between increasing chronologic year and the proportion of patients receiving blood transfusions, 47 (30.1%) in 1997 to 78 (42.5%) in 2012 (r = 0.94, p = 0.005). During this period, there was no significant change in the rate of complications (r = -0.1, p = 0.87). Overall, patients receiving blood transfusion had a longer mean LOS (3.1 +/- 2.4 days vs. 2.5 +/- 2.2 days, p < 0.005) and higher mean charge ($17,318 +/- 13,191 vs. $13,532 +/- 12,124, p < 0.005) compared to patients who did not receive blood transfusion. The rate of complications in the transfusion group, 18 of 352(5.1%), was not significantly different (p = 0.48) from the group without transfusion, 40 of 626 (6.4%). CONCLUSIONS: From 1997 to 2012, there was a significant increase in the proportion of patients with SCD receiving perioperative blood transfusions for tonsillectomy. While the frequency of transfusion rose, those who received a transfusion had similar complication rates with increased charges and length of hospital stays compared to those who did not receive a transfusion. PMID- 29224751 TI - Epidemiological characteristics of pediatric epistaxis presenting to the emergency department. AB - OBJECTIVE: Investigate the epidemiological characteristics of pediatric epistaxis in the emergency department setting. STUDY DESIGN: Cross-sectional study using national databases. METHODS: Children (age <18 years) presenting with a diagnosis of epistaxis were extracted from the State Emergency Department Databases for New York, Florida, Iowa, and California for the calendar year 2010. Associated diagnoses, procedures, encounter characteristics, and demographic data were examined. RESULTS: There were 18,745 cases of pediatric epistaxis (mean age 7.54 years, 57.4% male). Overall, 6.9% of patients underwent procedures to control epistaxis, of which 93.5% had simple anterior epistaxis control. The distribution of pediatric epistaxis was highest in spring and summer months (p < 0.001). Children from the lowest income quartile comprised a higher proportion of epistaxis presentations (38.8%, p < 0.001), yet were least likely to have an epistaxis control procedure performed (p < 0.001). Most patients had either Medicaid (43.8%) or private insurance (41.3%). Patients with Medicaid and those without healthcare coverage were least likely to undergo an epistaxis control procedure (p < 0.001). White children were more likely to undergo an epistaxis control procedure compared to those of minority backgrounds (p < 0.001). CONCLUSIONS: Most emergency department presentations of pediatric epistaxis are uninvolved cases that do not require procedural intervention. The overrepresentation of low socioeconomic status patients may suggest an overutilization of emergency services for minor cases of epistaxis, and perhaps a lack of access to primary care providers. This is the first study to evaluate racial and socioeconomic factors in relationship to pediatric epistaxis. Further investigation is needed to better elucidate these potential disparities. PMID- 29224752 TI - Incidence and factors associated with revision adenoidectomy: A retrospective study. AB - INTRODUCTION: Adenoidectomy is one of the most commonly performed pediatric operations worldwide. There are a proportion of children who require revision adenoidectomy. Yet there is little in the literature about the incidence, associated factors and etiology of adenoidal regrowth. The aim of this retrospective cohort study was to determine incidence and factors associated with revision adenoidectomy. METHODS: An extraction of all hospital morbidity records belonging to patients under the age of 18 years who underwent one or more adenoidectomy procedures (with or without tonsillectomy) between January 1, 2000 and June 2016 at a tertiary care children's hospital was performed. Demographic, diagnostic, and procedural data were included in the analysis. Community prescribing information was examined for the number of courses of antibiotics prescribed to each patient prior to initial adenoidectomy. RESULTS: There were 8260 patients under the age of 18 years who underwent primary adenoidectomy from 2000 to 2016 at a tertiary pediatric hospital. 2.5% (n = 212) of patients underwent revision adenoidectomy in our cohort during the same time period. A higher proportion of females underwent revision adenoidectomy when compared to male counterparts (p = 0.007). Patients who were prescribed more than five courses of antibiotics prior to initial adenoidectomy were more likely to undergo revision adenoidectomy (p = 0.003). Patients with a diagnosis of otitis media with effusion were more likely to undergo revision adenoidectomy (p=<0.001). A diagnosis of asthma (p=<0.001), gastroesophageal reflux disease (GERD) (p=<0.001), and allergic rhinitis (p=<0.001) was associated with revision adenoidectomy. An age of over 4 years at the time of initial adenoidectomy was associated with revision adenoidectomy (p=<0.001). Adenoids that obstructed over 75% of the nasal choanae were associated with revision adenoidectomy in this cohort (p=<0.001). CONCLUSION: This study has identified several factors associated with revision adenoidectomy. PMID- 29224753 TI - Castillo Morales Appliance Therapy in the treatment of drooling children. AB - OBJECTIVE: To evaluate the efficacy of Castillo Morales Appliance Therapy (CMAT) in reducing the severity and frequency of problematic drooling in children. METHODS: A de-identified extraction of all hospital morbidity records belonging to patients with drooling who underwent treatment with CMAT was performed between June 22, 2000 and April 12, 2016. Data were obtained from Starship Children's Hospital clinical records department. Demographic, diagnostic, and procedural data were included. Severity and frequency of drooling was quantified using the Thomas-Stonell and Greenberg classification method. RESULTS: There were fifty three children less than 17 years of age who were treated with CMAT for the indication of problematic drooling between June 22, 2000 and April 12, 2016. 72% (n = 38) of patients had a reduction in the severity and frequency of drooling with CMAT. Mean follow up was 51 months. These patients did not require further treatment for drooling with botulinum toxin or surgery. Within this group, 63% (n = 24) of patients had significant improvement in drooling as per the Thomas Stonell and Greenberg classification method (p = 0.024). CONCLUSIONS: Children who underwent CMAT for drooling were less likely to require further treatment with botulinum toxin or surgery. This result suggests that the use of CMAT in children with problematic drooling confers benefit. PMID- 29224754 TI - Prevalence of chronic ear disease among HIV+ children in Sub-Saharan Africa. AB - OBJECTIVES: To determine the prevalence of chronic ear disease in HIV+, highly active anti-retroviral therapy (HAART)-treated children and compare this to the prevalence in healthy children of similar age living in a similar setting. INTRODUCTION: From previous clinical work in Ethiopia, we suspected that chronic middle ear disease was common both in the general pediatric population and especially among children with HIV/AIDS. Few studies have examined the prevalence of chronic ear disease in HIV + children, particularly in those treated with HAART. METHODS: Full examination of the head and neck was performed by otolaryngologists. This including cleaning of cerumen, otoscopy and microscopic otoscopy when needed. Patient's medical records were reviewed. Presence or absence of tympanic membrane (TM) perforation (unilateral or bilateral), tympanosclerosis, TM atrophy, otorrhea and/or cholesteatoma was documented. RESULTS: 112 HIV+ and 162 healthy (HIVU) children were included. Prevalence of TM perforations was 17% in the HIV + infected versus 3% in the HIVU (Fisher's-Exact Test; OR: 7.2, 95% CI 2.5-20, p-value <0.0001). Presence of unilateral TM perforations was 12% in the HIV + population and 2% in the HIVU population (Fisher's-Exact-Test; OR: 6.8, 95% CI 2.0-22, p-value 0.002). The presence of bilateral perforations was 4% in the HIV + population and 1% in the HIVU population (Fisher's-Exact-Test; OR: 6.8, 95% CI 1.1-42, p-value 0.088). In the HIV + cohort, 2% were diagnosed with cholesteatoma compared to 0% in the HIVU population (95% CI HIV+ 0.002-0.06; HIVU 0.0-0.02) and 8% of HIV + subjects had active middle ear discharge, compared to 0% in the HIVU population (95% CI HIV+ 0.04-0.1; HIVU 0.0-0.02). Neither tympanosclerosis nor tympanic membrane atrophy was more frequent in the HIV + population compared to the HIVU population. Persistent or recurrent TM perforation was not more frequent in children with prior tympanoplasty in the HIV + population compared to the HIVU population. CONCLUSION: TM perforations are significantly more common in HAART-treated HIV + children than in healthy, age-matched HIVU population. Otorrhea and cholesteatoma were found only in the HIV + cohort. PMID- 29224755 TI - Factors associated with 30-day all-cause hospital readmission after tracheotomy in pediatric patients. AB - OBJECTIVE: To determine factors associated with post-tracheotomy hospital readmission within 30 days of discharge. METHODS: Children 18 years and younger who underwent tracheotomy at Children's Hospital Los Angeles (CHLA) between 1/1/2005 and 12/31/2013 with at least 30 days of follow-up at CHLA were identified through ICD-9 procedure codes. Patient characteristics and covariates were obtained by linking manual chart review and administrative data. We used multivariate logistic regression to identify the independent association between risk factors and the primary outcome of 30-day all-cause same-hospital readmission. RESULTS: Of the 273 patients included, the median age at admission was 6 months [interquartile range (IQR): 1-51 months]. Among this primarily male (60.8%) and Hispanic (66.3%) cohort with a high proportion of discharge on positive pressure ventilation (47.1%), the 30-day readmission rate was 22% (n = 60). Of the readmissions, 92% (n = 55) were unplanned and 64% (n = 35) were associated with acute respiratory illnesses. Multivariate regression analysis demonstrated that, among patients <=12 months, discharge on positive pressure ventilation [adjusted odds ratio (aOR) = 2.88, 95% confidence interval (CI) = 1.19-6.97] was associated with increased odds of readmission, while gastrostomy tube placement during the tracheotomy hospitalization (aOR = 0.42, 95% CI = 0.19 0.96) and prematurity (aOR = 0.35, 95% CI = 0.15-0.83) were associated with decreased odds of readmission. In patients >1 year of age, increased length of hospitalization (aOR = 1.01 per hospital day, 95% CI = 1-1.02) and presence of comorbid malignancy (aOR = 6.03, 95% CI = 1.25-29.16) were associated with increased odds of readmission. CONCLUSIONS: Over one-fifth of children undergoing tracheotomy had an unplanned hospital readmission within 30 days after discharge. Because the majority of readmissions were unplanned and due to acute respiratory illnesses, future research should investigate how discharge procedures and improved care coordination may lower readmission rates in high-risk patients (e.g., patients discharged on positive pressure ventilation). PMID- 29224756 TI - Novel PAX3 mutations causing Waardenburg syndrome type 1 in Tunisian patients. AB - Waardenburg syndrome (WS) is an auditory-pigmentary disease characterized by a clinical and genetic variability. WS is classified into four types depending on the presence or absence of additional symptoms: WS1, WS2, WS3 and WS4. Type 1 and 3 are mostly caused by PAX3 mutations, while type 2 and type 4 are genetically heterogeneous. The aims of this study are to confirm the diagnostic of WS1 by the sequencing of PAX3 gene and to evaluate the genotype phenotype correlation. A clinical classification was established for 14 patients WS, as proposed by the Waardenburg Consortium, and noted a predominance of type 1 and type 2 with 6 patients WS1, 7 patients WS2 and 1 patient WS3. A significant inter and intra familial clinical heterogeneity was also observed. A sequencing of PAX3 gene in the 6 patients WS1 confirmed the diagnosis in 4 of them by revealing three novel mutations that modify two functional domains of the protein: the c.942delC; the c.933_936dupTTAC and the c.164delTCCGCCACA. These three variations are most likely responsible for the phenotype, however their pathogenic effects need to be confirmed by functional studies. The MLPA analysis of the 2 patients who were sequence negative for PAX3 gene revealed, in one of them, a heterozygous deletion of exons 5 to 9 confirming the WS1 diagnosis. Both clinical and molecular approaches led to the conclusion that there is a lack of genotype-phenotype correlation in WS1, an element that must be taken into account in genetic counseling. The absence of PAX3 mutation in one patient WS1 highlights the fact that the clinical classification is sometimes insufficient to distinguish WS1 from other types WS hence the interest of sequencing the other WS genes in this patient. PMID- 29224757 TI - Reproducing severe acute subglottic stenosis in a rabbit model. AB - OBJECTIVES: The objectives of this study were to develop an animal model with consistent, severe subglottic stenosis (SGS), and to develop the timeline needed for intervention to limit rabbit mortality. METHODS: Subglottic stenosis was created endoscopically using either a nylon or polypropylene brush in sixteen New Zealand White rabbits. The subglottic cross-sectional area was measured endoscopically using a right-angled probe and an open source image analysis software The cross-sectional areas of the stenotic and native airways were compared to calculate the subglottic stenosis percentage and Myer-Cotton grade classification. RESULTS: The average diameter of the native subglottis was 4.7 mm (SD 0.4). The mean subglottic stenosis percentage was 73% (SD 32) for all rabbits. The three rabbits injured with the nylon brush had 30, 52, and 76% stenosis. Nine of the 12 surviving rabbits (75%) injured with the polypropylene brush had a >86% subglottic stenosis. Four rabbits in the polypropylene brush cohort died from procedural complications. CONCLUSION: This study demonstrates a reliable model using a polypropylene brush to create severe acute subglottic stenosis. Cartilage exposure after creating the injury was associated with more severe stenosis. Mortality rate may have been reduced if endoscopic balloon dilation was performed electively seven days after injury, rather than emergently nine days after injury. LEVEL OF EVIDENCE: 4. PMID- 29224758 TI - Pediatric tinnitus: Incidence of imaging anomalies and the impact of hearing loss. AB - OBJECTIVE: Guidelines exist for evaluation and management of tinnitus in adults; however lack of evidence in children limits applicability of these guidelines to pediatric patients. Objective of this study is to determine the incidence of inner ear anomalies detected on imaging studies within the pediatric population with tinnitus and evaluate if presence of hearing loss increases the rate of detection of anomalies in comparison to normal hearing patients. METHODS: Retrospective review of all children with diagnosis of tinnitus from 2010 to 2015 ;at a tertiary care academic center. RESULTS: 102 pediatric patients with tinnitus were identified. Overall, 53 patients had imaging studies with 6 abnormal findings (11.3%). 51/102 patients had hearing loss of which 33 had imaging studies demonstrating 6 inner ear anomalies detected. This is an incidence of 18.2% for inner ear anomalies identified in patients with hearing loss (95% confidence interval (CI) of 7.0-35.5%). 4 of these 6 inner ear anomalies detected were vestibular aqueduct abnormalities. The other two anomalies were cochlear hypoplasia and bilateral semicircular canal dysmorphism. 51 patients had no hearing loss and of these patients, 20 had imaging studies with no inner ear abnormalities detected. There was no statistical difference in incidence of abnormal imaging findings in patients with and without hearing loss (Fisher's exact test, p ;= ;0.072.) CONCLUSION: There is a high incidence of anomalies detected in imaging studies done in pediatric patients with tinnitus, especially in the presence of hearing loss. PMID- 29224759 TI - Dysphagia and feeding difficulties post-pediatric ingestion injury: Perspectives of the primary caregiver. AB - PURPOSE: To explore the experiences of children with dysphagia and/or feeding difficulties post-chemical or button battery ingestion injury from the perspective of the primary caregiver. METHOD: Five primary caregivers of children with a history of dysphagia and/or feeding difficulties post-ingestion injury (4 chemical, 1 button battery) completed the Children's Picky Eating Questionnaire (CPEQ), and participated in a semi-structured interview. Interviews explored experiences of caring for a child with dysphagia and/or feeding difficulties, impressions of services and supports, and additional impacts to the child and family. Content analysis was used to identify key themes. RESULT: Primary caregiver report and CPEQ results confirmed all children had some degree of persisting dysphagia and/or feeding difficulties at time of interview (mean 4.13 years' post-injury). Interviews identified five key themes: 1) The initial trauma of the injury, 2) The experience of associated and ongoing medical issues, 3) Managing altered oral intake, 4) Experiences of services and support, and 5) Impacts on the child, primary caregiver, and wider family unit. All caregivers reported significant challenges and concerns, and potential areas of service improvement were highlighted. CONCLUSION: The current data highlights specific issues experienced by primary caregivers, and poses areas for improving primary caregiver and family supports. Family-centered models of care are needed to support the whole family unit in caring for a child with dysphagia and/or feeding difficulties post-ingestion injury. PMID- 29224760 TI - Post-tonsillectomy dietary advice and haemorrhage risk: Systematic review. AB - OBJECTIVES: Tonsillectomy remains one of the commonest operations performed in children. Post-operative diet may affect post-tonsillectomy haemorrhage rate, although post-operative dietary advice varies. We undertook a systematic review of the published literature to assess if and how different post-operative diets were associated with differences in PTH rates following paediatric tonsillectomy, to provide an evidence base to inform individual otorhinolaryngologists' practice and for future guideline development. METHODS: A systematic review of the published English literature of the PubMed, Medline and Cochrane Collaboration databases, using search terms used included 'post-tonsillectomy', 'diet', 'dietary advice', 'bleeding', 'haemorrhage', 'paediatric' &'children'. RESULTS: Eight publications were included in the review, including 5 randomised controlled trials, 2 case-control studies and 1 cohort study. These involved 1039 patients with 545 patients following a restricted/non-additive diet after tonsillectomy and 494 patients following an unrestricted/additive diet. The average reported PTH rate of patients in the restricted diet groups was 2.3% and 0.8% in patients in the unrestricted diet groups, which is not statistically significant (p = 0.12, one tailed t-test). CONCLUSION: PTH following paediatric surgery does not appear to be affected by different post-operative diets or regimes followed by patients. Clinicians should not change the advice provided regarding oral intake and diet following tonsillectomy surgery in children. PMID- 29224761 TI - Direct tracheobronchopexy via left lateral thoracotomy for severe tracheobronchomalacia. AB - An infant with pulmonary atresia/ventricular septal defect/major aortopulmonary collateral arteries underwent unifocalization, ventriculoseptal defect closure and placement of a right ventricle to pulmonary artery conduit via median sternotomy. Aortopexy and pulmonary arteriopexy via redo sternotomy were insufficient to allow weaning of continuous positive airway pressure and he required direct tracheobronchopexy via left lateral thoracotomy to alleviate posterior trachealis intrusion along the length of the trachea and left main bronchus. He also underwent laryngotracheoplasty with placement of a posterior costal cartilage graft for bilateral vocal cord paralysis. The patient was weaned from positive pressure and discharged in stable condition. PMID- 29224762 TI - Outcomes of tympanoplasty in children with down syndrome. AB - INTRODUCTION: The prevalence of chronic otitis media with effusion (COME), and Eustachian tube dysfunction (ETD) is high in Down syndrome (DS) patients. This often necessitates multiple tympanostomy tube (TT) placements resulting in a higher rate of persistent tympanic membrane (TM) perforation requiring tympanoplasty for repair. OBJECTIVES: To assess risk factors for persistent perforation and outcomes of tympanoplasty in DS patients. METHODS: Retrospective case series of 91 ears in 69 DS patients with TM perforations, who were either observed or underwent tympanoplasty. Clinical features, surgical outcomes, and hearing outcomes were assessed. RESULTS: 91 ears were evaluated. Sixty perforations were observed, and 31 perforations were repaired. The closure rate was 54.8% for primary surgery, and 70.9% after secondary surgical interventions in the Tympanoplasty Group, compared to 33.0% spontaneous closure rate in the Observation Group (p < 0.001). The only risk factor for failed tympanoplasty repair was persistent COME/ETD (OR 27.2, p = 0.001). In the Observation Group perforations diagnosed at an older age, with >3 TT insertions, and with persistent COME/ETD were less likely to close spontaneously. Patients undergoing tympanoplasty had worse preoperative pure tone averages than those being observed, but significant improvement in air-bone gaps were noted in the Tympanoplasty Group (p = 0.02) post-operatively. Patients were often rehabilitated with hearing aids regardless of intervention (53.3% Observation Group, 48.4% Tympanoplasty Group). CONCLUSIONS: Persistent TM perforation in children with Down syndrome was associated with a history of COME/ETD, and multiple prior TT insertions. Tympanoplasty was successful for repair in most patients who underwent surgical intervention, but residual hearing loss was common. PMID- 29224763 TI - Tonsillectomy or tonsillotomy? A systematic review for paediatric sleep disordered breathing. AB - BACKGROUND: Recent evidence has challenged the practice of tonsillectomy in children with sleep-disordered breathing. Tonsillotomy (subtotal/partial/intracapsular tonsillectomy) has been proposed as an alternative with equivalent effectiveness and decreased post-operative morbidity, thus improving cost-effectiveness. OBJECTIVE: To systematically review the literature comparing clinical efficacy, post-operative morbidity, and cost effectiveness of tonsillotomy and tonsillectomy in paediatric (<16yo) patients with sleep-disordered breathing. DATA SOURCES: A systematic search of MEDLINE, EMBASE, and CENTRAL (1984-July 2014) was conducted. Papers in English directly comparing post-operative outcomes in tonsillectomy and tonsillotomy in children undergoing surgery for sleep-disordered breathing were included. REVIEW METHODS: Two authors independently assessed abstracts for relevance, with disagreements resolved by a third author. Selected studies were independently assessed regarding inclusion and exclusion criteria. RESULTS: Thirty-two studies satisfied inclusion and exclusion criteria (19 randomised, 13 non-randomised). Patient satisfaction, quality-of-life, and polysomnographic improvement post-surgery did not vary between tonsillotomy and tonsillectomy. Tonsillotomy reduced the odds of a secondary haemorrhage by 79% (OR 0.21, 95% CI 0.17-0.27, p < 0.01), decreased post-operative pain and reduced return to normal oral intake by 2.8 days (95% CI 1.08-4.52, p < 0.01). The odds of readmission were decreased by 62% (OR 0.38, 95% CI 0.23-0.60, p < 0.01). Tonsillotomy had a slightly higher rate of symptom recurrence (4.51%) than tonsillectomy (2.55%), the long-term impact of which was unclear. CONCLUSION: Current evidence supports tonsillotomy in children with obstructive surgical indications. It is likely to reduce post-operative haemorrhage, pain, and facilitate a faster return to normal diet and activity. Healthcare burden is decreased due to fewer post-operative complications and reduced need for medical re-contact. More research is necessary to assess the risk of recurrence, and further classification of secondary haemorrhage severity is required to fully clarify the clinical benefit of tonsillotomy. PMID- 29224764 TI - Recalcitrant chronic rhinosinusitis in the setting of fucosidosis, a rare lysosomal storage disorder. AB - Fucosidosis is an autosomal recessive lysosomal storage disorder caused by the deficiency of alpha-L-fucosidase. We present the case of an affected female in the second decade of life with chronic rhinosinusitis (CRS) including recalcitrant polypoid inflammation, which has not been previously reported in the literature. With the advancement of life-prolonging measures, children with lysosomal storage disorders may suffer increasingly from CRS due to the lymphohistiocytic and macrophage infiltrate of the paranasal sinus mucosa that resembles severe polypoid inflammation. PMID- 29224765 TI - Pre- and post-operative application of acoustic rhinometry in children with otitis media with effusion and with or without adenoid hypertrophy-a retrospective analysis. AB - BACKGROUND: There is no standardized scheme for preoperative evaluation of adenoid hypertrophy or a consensus on surgical indications for adenoidectomy in children with otitis media with effusion (OME), especially for young children intolerant to nasal endoscopic assessment. The aim of this study was to evaluate the efficacy and reliability of acoustic rhinometry (AR) in evaluating benefits from adenoidectomy in children with OME. METHOD: Children with OME who were scheduled for surgical intervention were reviewed and AR tests performed preoperatively and postoperatively. The patients were divided into two groups based on the surgical strategy (Group I: tympanostomy tube placement alone; Group II: tympanostomy tube placement plus adenoidectomy). Correlation and regression analyses were performed to assess the relationship between findings of AR and nasal endoscopy. AR parameters including minimal nasal cross-sectional area (MCA), and nasopharyngeal volume (NPV), as well as scores of subjective symptoms were obtained to evaluate the utility of AR pre- and post-surgery. RESULTS: Sixty five children aged 4-10 years who met the inclusion criteria were included. No significant differences in gender or age distribution were observed between Group I and Group II. MCA, as well as NPV significantly decreased in Group II when compared with Group I (p = 0.000). A significant inverse correlation was observed between NPV and choanal obstruction ratio in both groups I (r = -0.625, p < 0.001) and II (r = -0.570, p < 0.001). A significant difference between preoperative and postoperative NPV and subjective symptom scores was observed in group II after adenoidectomy (p = 0.000). CONCLUSION: AR parameters showed a good clinical correlation with findings of nasal endoscopy and thus may be useful for evaluating candidacy for surgical adenoidectomy among children with OME, especially in whom preoperative nasal endoscopic examination is not feasible. Additionally, AR can reveal the changes occurring within the nasopharyngeal passage before and after adenoidectomy. PMID- 29224766 TI - Reversible profound sensorineural hearing loss due to propranolol sensitive hemangioma in an infant with PHACE syndrome. AB - PHACE syndrome is the association of large or segmental infantile hemangiomas of the face or scalp with abnormalities within the posterior fossa, arteries, cardiovascular system, and eyes. We present a case of reversible profound sensorineural hearing loss due to a cerebellopontine angle infantile hemangioma that was successfully treated with propranolol. PMID- 29224767 TI - Lugol's solution eradicates Staphylococcus aureus biofilm in vitro. AB - OBJECTIVES: The aim of the study was to evaluate the antibacterial efficacy of Lugol's solution, acetic acid, and boric acid against Staphylococcus aureus biofilm. METHODS: The efficacy of Lugol's solution 1%, 0.1%, and 0.05%, acetic acid 5% or boric acid 4.7% for treatment of Staphylococcus aureus biofilm in vitro was tested using 30 clinical strains. Susceptibility in the planktonic state was assessed by disk diffusion test. Antiseptic effect on bacteria in biofilm was evaluated by using a Biofilm-oriented antiseptic test (BOAT) based on metabolic activity, a biofilm bactericidal test based on culturing of surviving bacteria and confocal laser scanning microscopy combined with LIVE/DEAD staining. RESULTS: In the planktonic state, all tested S. aureus strains were susceptible to Lugol's solution and acetic acid, while 27 out of 30 tested strains were susceptible to boric acid. In biofilm the metabolic activity was significantly reduced following exposure to Lugol's solution and 5% acetic acid, while boric acid exposure led to no significant changes in metabolic activities. In biofilm, biocidal activity was observed for Lugol's solution 1% (30/30), 0.1% (30/30), and 0.05% (26/30). Acetic acid and boric acid showed no bactericidal activity in this test. Confocal laser scanning microscopy, assessed in 4/30 strains, revealed significantly fewer viable biofilm bacteria with Lugol's solution (1% p < 0.001, 0.1% p = 0.001 or 0.05% p = 0.001), acetic acid 5% for 10 min (p = 0.001) or 30 min (p = 0.015), but not for acetic acid for 1 min or boric acid. CONCLUSION: Lugol's solution 1.0% and 0.1% effectively eradicated S. aureus in biofilm and could be an alternative to conventional topical antibiotics where S. aureus biofilm is suspected such as external otitis, pharyngitis and wounds. PMID- 29224768 TI - Newborn hearing screening failure and maternal factors during pregnancy. AB - OBJECTIVE: Temporary conductive hearing loss due to amniotic fluid accumulation in the middle ear cavity may lead to failure (false positive) in newborn hearing screening tests. The aim of this study was to identify whether amniotic fluid index has association with failure of the initial newborn otoacoustic emission (OAE) screening test. METHODS: A cohort study in a tertiary hospital center (Royal Victoria Hospital, Montreal) was constructed from 70 newborns that failed the OAE test, but passed a subsequent auditory brainstem response (ABR) test, and 75 randomly selected newborns that passed initial otoacoustic emission testing. Maternal (including the amniotic fluid index in the third trimester) and newborn clinical data were extracted from medical records. Statistical association models were built to determine variables that influenced hearing screen passage or failure. RESULTS: The two arms of the cohort had no significant differences in maternal or child clinical indices, including in amniotic fluid index. Calculated as individual odds ratios, maternal tobacco [95% CI of odds ratio: 0.04, 0.59, p = 0.0078], and drug use [95% CI of odds ratio: 0.0065, 0.72, p = 0.058] [borderline significance] were associated with failing the otoacoustic emission testing. CONCLUSIONS: Amniotic fluid index was not found to be associated with failure of otoacoustic emission screening in newborns. However, our study unveiled an interesting unexpected association of OAE failure with maternal smoking and/or drug use. This finding can help alleviate some of the time, cost and parental anxiety related to failed OAE screening. In selected cases of maternal smoking or drug use we might want to replace or add OAE to the ABR test in newborn hearing screening protocols, that don't perform both tests before discharge. PMID- 29224769 TI - Evaluation of speech reception threshold in noise in young CochlearTM Nucleus(r) system 6 implant recipients using two different digital remote microphone technologies and a speech enhancement sound processing algorithm. AB - OBJECTIVE: Children affected by hearing loss can experience difficulties in challenging and noisy environments even when deafness is corrected by Cochlear implant (CI) devices. These patients have a selective attention deficit in multiple listening conditions. At present, the most effective ways to improve the performance of speech recognition in noise consists of providing CI processors with noise reduction algorithms and of providing patients with bilateral CIs. The aim of this study was to compare speech performances in noise, across increasing noise levels, in CI recipients using two kinds of wireless remote-microphone radio systems that use digital radio frequency transmission: the Roger Inspiro accessory and the Cochlear Wireless Mini Microphone accessory. METHODS: Eleven Nucleus Cochlear CP910 CI young user subjects were studied. The signal/noise ratio, at a speech reception threshold (SRT) value of 50%, was measured in different conditions for each patient: with CI only, with the Roger or with the MiniMic accessory. The effect of the application of the SNR-noise reduction algorithm in each of these conditions was also assessed. The tests were performed with the subject positioned in front of the main speaker, at a distance of 2.5 m. Another two speakers were positioned at 3.50 m. The main speaker at 65 dB issued disyllabic words. Babble noise signal was delivered through the other speakers, with variable intensity. RESULTS: The use of both wireless remote microphones improved the SRT results. Both systems improved gain of speech performances. The gain was higher with the Mini Mic system (SRT = -4.76) than the Roger system (SRT = -3.01). The addition of the NR algorithm did not statistically further improve the results. CONCLUSION: There is significant improvement in speech recognition results with both wireless digital remote microphone accessories, in particular with the Mini Mic system when used with the CP910 processor. The use of a remote microphone accessory surpasses the benefit of application of NR algorithm. PMID- 29224770 TI - Pain control following tonsillectomy in children: A survey of patients. AB - OBJECTIVE: This prospective study aimed to survey pediatric patients and their parents after tonsillectomy to assess their pain management utilization and satisfaction. INTRODUCTION: Tonsillectomy is the second most common surgical procedure performed in pediatric patients. Postoperative recovery is often associated with high levels of pain and severe functional limitations. There is currently no consensus on pain control regimens. Additionally, a recent FDA Black Box Warning on narcotic use has caused more uncertainty in appropriate pain control regimens. METHODS: 111 pediatric patients (<=18 years) included in this study underwent tonsillectomy with or without adenoidectomy between October 2013 and August 2015. Postoperatively, each patient/parent was counseled to alternate on an over-the-counter regimen of acetaminophen and ibuprofen and given an additional as-needed acetaminophen with hydrocodone prescription. A survey was administered during the patient's 2-week follow-up that included questions regarding pain levels, worst post-op pain day, pain medications taken during recovery, and patient/parental perceived satisfaction of having the acetaminophen with hydrocodone prescription. RESULTS: 84 patients/parents (75.7%) felt that OTC medications were not adequate for pain control and used hydrocodone at least once. Between those who took hydrocodone versus those who did not, there was no significant difference in mean age (6.7 +/- 2.9 vs. 6.0 +/- 2.4 years), percentage of patients with severe pain (36.9% vs. 22.2%) and worst post-op pain day (4.3 +/- 1.5 vs. 3.9 +/- 1.9 days) (p > 0.05). However, regardless of pain control regimen followed, the majority of patients/parents found it valuable to have the hydrocodone prescription (p = 0.004). CONCLUSION: Post-tonsillectomy patients and their parents find being provided with an acetaminophen-hydrocodone prescription is therapeutically valuable, and many find it necessary in their postoperative pain management. However, further studies are needed to determine patient factors that influence narcotic utilization. PMID- 29224771 TI - Revision repair of type IV laryngotracheoesophageal cleft using multiple long tapered engaging grafts. AB - An 8 year-old female with esophageal atresia and a type IV laryngotracheoesophageal cleft underwent tracheostomy, gastric pull-up and fundoplication with G-tube insertion at birth. She remained nil per os due to aspiration. The trachealis was separated from the esophagus that was reapproximated and clavicular periosteum was placed. A long posterior costal cartilage graft that engaged behind the cricoid plate and tapered inferiorly was inserted. A second thin cartilage graft was sutured to it distally to extend the length of the repair. This allowed for removal of the tracheostomy and oral feeding while providing a four-layer closure to prevent aspiration. PMID- 29224772 TI - Resolution of vocal fold immobility in preterm infants. AB - INTRODUCTION: Vocal fold immobility (VFI) is an important sequela of preterm birth due to patent ductus arteriosus (PDA) ligation and invasive ventilation. A minority of these patients experience VFI resolution. The purpose of this study is to determine factors associated with VFI resolution in preterm infants. METHODS: This is a case control study of preterm (<37 weeks gestation) infants admitted to a metropolitan Level IV neonatal intensive care unit from 2006 to 2012. All patients diagnosed with VFI by flexible nasolaryngoscopy were divided into 2 cohorts: those with and without laryngoscopic resolution of VFI during follow-up. Univariate and multivariate analyses were performed to determine factors associated with VFI resolution. RESULTS: Of 71 patients with VFI and adequate follow-up, 17 (23.9%) experienced resolution. Median (range) follow-up was 25.7 (0.4-91.3) months and time to resolution 4.4 (0.4-38.8) months. Compared to the ongoing-VFI cohort, those who experienced resolution had higher median gestational age (31 vs 25 weeks, p = 0.006) and birth weight (1550 vs 765 g, p = 0.02), and lower likelihood of undergoing PDA ligation (47.1% vs 77.8%, p = 0.02). On multivariate analysis, history of PDA ligation remained independently associated with a lower likelihood of VFI resolution (p = 0.02, OR 0.2, 95% CI 0.1-0.8). Among PDA ligation patients, birth weight >1000 g was more common in the resolution cohort compared to the ongoing-VFI cohort (62.5% vs 24.4%, p = 0.047). CONCLUSION: While lower birth weight and gestational age are known risk factors for VFI following PDA ligation, in this study, these factors were also associated with a decreased likelihood of VFI resolution. Furthermore, PDA ligation appears to be a risk for both the development and persistence of VFI. This evidence should inform prognosis and intervention decisions for preterm infants with VFI. PMID- 29224773 TI - Parental knowledge and attitudes to childhood hearing loss and hearing services in the Solomon Islands. AB - OBJECTIVE: An understanding of parental knowledge and attitudes towards childhood hearing loss is essential to the successful implementation of audiology services. The present study aimed to investigate parental knowledge and attitudes among parents in the Solomon Islands. METHODS AND MATERIALS: A total of 100 mothers and 50 fathers were administered a questionnaire via semi-structured interviews. RESULTS: Highest parental awareness of aetiology of childhood hearing loss was noted for otitis media (94%), noise exposure (87.3%), and family history (72.7%). The highest parental awareness concerning public health initiatives to reduce/prevent otitis media was noted for routine childhood immunizations (84%) and breast-feeding (76%). Higher rates of knowledge in fathers than in mothers included otitis media (p = 0.038), noise exposure (p = 0.007), and breast-feeding (p = 0.031). Approximately half of parents (56%) agreed that curses may cause hearing loss. Overall parental responses showed positive support for infant hearing screening programs (96%) and school-based ear and hearing health examinations (99.3%). CONCLUSIONS: High levels of parental readiness and support for childhood hearing services in the Solomon Islands was evident. Knowledge of aetiology of childhood hearing loss was highest for otitis media, noise exposure, and family history. Knowledge and attitudes of fathers to childhood hearing loss and hearing services was either the same or better than that of mothers. PMID- 29224774 TI - Australian children with cleft palate achieve age-appropriate speech by 5 years of age. AB - INTRODUCTION: Children with cleft palate demonstrate atypical speech sound development, which can influence their intelligibility, literacy and learning. There is limited documentation regarding how speech sound errors change over time in cleft palate speech and the effect that these errors have upon mono-versus polysyllabic word production. The objective of this study was to examine the phonetic and phonological speech skills of children with cleft palate at ages 3 and 5. METHODS: A cross-sectional observational design was used. Eligible participants were aged 3 or 5 years with a repaired cleft palate. The Diagnostic Evaluation of Articulation and Phonology (DEAP) Articulation subtest and a non standardised list of mono- and polysyllabic words were administered once for each child. The Profile of Phonology (PROPH) was used to analyse each child's speech. RESULTS: N = 51 children with cleft palate participated in the study. Three-year old children with cleft palate produced significantly more speech errors than their typically-developing peers, but no difference was apparent at 5 years. The 5-year-olds demonstrated greater phonetic and phonological accuracy than the 3 year-old children. Polysyllabic words were more affected by errors than monosyllables in the 3-year-old group only. CONCLUSIONS: Children with cleft palate are prone to phonetic and phonological speech errors in their preschool years. Most of these speech errors approximate typically-developing children by 5 years. At 3 years, word shape has an influence upon phonological speech accuracy. Speech pathology intervention is indicated to support the intelligibility of these children from their earliest stages of development. PMID- 29224775 TI - Photopigments and the dimensionality of animal color vision. AB - Early color-matching studies established that normal human color vision is trichromatic. Subsequent research revealed a causal link between trichromacy and the presence in the retina of three classes of cone photopigments. Over the years, measurements of the photopigment complements of other species have expanded greatly and these are frequently used to predict the dimensionality of an animal's color vision. This review provides an account of how the linkage between the number of active photopigments and the dimensions of human color vision developed, summarizes the various mechanisms that can impact photopigment spectra and number, and provides an across-species survey to examine cases where the photopigment link to the dimensionality of color vision has been claimed. The literature reveals numerous instances where the human model fails to account for the ways in which the visual systems of other animals exploit information obtained from the presence of multiple photopigments in support of their behavior. PMID- 29224776 TI - Development of a SYBR Green I real-time PCR for detection and quantitation of orthopoxvirus by using Ectromelia virus. AB - Ectromelia virus (ECTV) is the causative agent of mousepox, which has devastating effects in laboratory-mouse colonies and causes economic loss in biomedical research. More importantly, ECTV has been extensively used as an excellent model for studies of the pathogenesis and immunobiology of human smallpox. A rapid and sensitive SYBR Green I-based real-time PCR assay was developed and used for the detection and quantitation of orthopoxvirus by using ECTV in this study. Primers targeted to the highly conserved region of major core protein P4b gene of orthopoxvirus were designed and the standard plasmid was constructed. This assay was able to detect a minimum of 10 copies of standard DNA and 5 TCID50 units of ECTV. In addition, no cross-reactions were observed with two DNA viruses, such as herpes simplex virus and swine pseudorabies virus, and one RNA virus, vesicular stomatitis virus. Furthermore, intra- and inter-assay variability data showed that this method had a highly reproducibility and reliability. Moreover, the current assay was faster and had a higher sensitivity for detection of ECTV genomic DNA in cell cultured and clinical test samples. Therefore, the high sensitivity and reproducibility of this SYBR Green real-time PCR approach is a more effective method than the conventional PCR for ECTV diagnosis and quantitation. PMID- 29224778 TI - Rapid Mobilization Reveals a Highly Engraftable Hematopoietic Stem Cell. AB - Hematopoietic stem cell transplantation is a potential curative therapy for malignant and nonmalignant diseases. Improving the efficiency of stem cell collection and the quality of the cells acquired can broaden the donor pool and improve patient outcomes. We developed a rapid stem cell mobilization regimen utilizing a unique CXCR2 agonist, GRObeta, and the CXCR4 antagonist AMD3100. A single injection of both agents resulted in stem cell mobilization peaking within 15 min that was equivalent in magnitude to a standard multi-day regimen of granulocyte colony-stimulating factor (G-CSF). Mechanistic studies determined that rapid mobilization results from synergistic signaling on neutrophils, resulting in enhanced MMP-9 release, and unexpectedly revealed genetic polymorphisms in MMP-9 that alter activity. This mobilization regimen results in preferential trafficking of stem cells that demonstrate a higher engraftment efficiency than those mobilized by G-CSF. Our studies suggest a potential new strategy for the rapid collection of an improved hematopoietic graft. PMID- 29224777 TI - YY1 Is a Structural Regulator of Enhancer-Promoter Loops. AB - There is considerable evidence that chromosome structure plays important roles in gene control, but we have limited understanding of the proteins that contribute to structural interactions between gene promoters and their enhancer elements. Large DNA loops that encompass genes and their regulatory elements depend on CTCF CTCF interactions, but most enhancer-promoter interactions do not employ this structural protein. Here, we show that the ubiquitously expressed transcription factor Yin Yang 1 (YY1) contributes to enhancer-promoter structural interactions in a manner analogous to DNA interactions mediated by CTCF. YY1 binds to active enhancers and promoter-proximal elements and forms dimers that facilitate the interaction of these DNA elements. Deletion of YY1 binding sites or depletion of YY1 protein disrupts enhancer-promoter looping and gene expression. We propose that YY1-mediated enhancer-promoter interactions are a general feature of mammalian gene control. PMID- 29224779 TI - Combined Social and Spatial Coding in a Descending Projection from the Prefrontal Cortex. AB - Social behaviors are crucial to all mammals. Although the prelimbic cortex (PL, part of medial prefrontal cortex) has been implicated in social behavior, it is not clear which neurons are relevant or how they contribute. We found that PL contains anatomically and molecularly distinct subpopulations that target three downstream regions that have been implicated in social behavior: the nucleus accumbens (NAc), amygdala, and ventral tegmental area. Activation of NAc projecting PL neurons (PL-NAc), but not the other subpopulations, decreased the preference for a social target. To determine what information PL-NAc neurons convey, we selectively recorded from them and found that individual neurons were active during social investigation, but only in specific spatial locations. Spatially specific manipulation of these neurons bidirectionally regulated the formation of a social-spatial association. Thus, the unexpected combination of social and spatial information within the PL-NAc may contribute to social behavior by supporting social-spatial learning. PMID- 29224780 TI - A Living Biobank of Breast Cancer Organoids Captures Disease Heterogeneity. AB - Breast cancer (BC) comprises multiple distinct subtypes that differ genetically, pathologically, and clinically. Here, we describe a robust protocol for long-term culturing of human mammary epithelial organoids. Using this protocol, >100 primary and metastatic BC organoid lines were generated, broadly recapitulating the diversity of the disease. BC organoid morphologies typically matched the histopathology, hormone receptor status, and HER2 status of the original tumor. DNA copy number variations as well as sequence changes were consistent within tumor-organoid pairs and largely retained even after extended passaging. BC organoids furthermore populated all major gene-expression-based classification groups and allowed in vitro drug screens that were consistent with in vivo xeno transplantations and patient response. This study describes a representative collection of well-characterized BC organoids available for cancer research and drug development, as well as a strategy to assess in vitro drug response in a personalized fashion. PMID- 29224781 TI - Structural Basis for Regulated Proteolysis by the alpha-Secretase ADAM10. AB - Cleavage of membrane-anchored proteins by ADAM (a disintegrin and metalloproteinase) endopeptidases plays a key role in a wide variety of biological signal transduction and protein turnover processes. Among ADAM family members, ADAM10 stands out as particularly important because it is both responsible for regulated proteolysis of Notch receptors and catalyzes the non amyloidogenic alpha-secretase cleavage of the Alzheimer's precursor protein (APP). We present here the X-ray crystal structure of the ADAM10 ectodomain, which, together with biochemical and cellular studies, reveals how access to the enzyme active site is regulated. The enzyme adopts an unanticipated architecture in which the C-terminal cysteine-rich domain partially occludes the enzyme active site, preventing unfettered substrate access. Binding of a modulatory antibody to the cysteine-rich domain liberates the catalytic domain from autoinhibition, enhancing enzymatic activity toward a peptide substrate. Together, these studies reveal a mechanism for regulation of ADAM activity and offer a roadmap for its modulation. PMID- 29224782 TI - Mfd Dynamically Regulates Transcription via a Release and Catch-Up Mechanism. AB - The bacterial Mfd ATPase is increasingly recognized as a general transcription factor that participates in the resolution of transcription conflicts with other processes/roadblocks. This function stems from Mfd's ability to preferentially act on stalled RNA polymerases (RNAPs). However, the mechanism underlying this preference and the subsequent coordination between Mfd and RNAP have remained elusive. Here, using a novel real-time translocase assay, we unexpectedly discovered that Mfd translocates autonomously on DNA. The speed and processivity of Mfd dictate a "release and catch-up" mechanism to efficiently patrol DNA for frequently stalled RNAPs. Furthermore, we showed that Mfd prevents RNAP backtracking or rescues a severely backtracked RNAP, allowing RNAP to overcome stronger obstacles. However, if an obstacle's resistance is excessive, Mfd dissociates the RNAP, clearing the DNA for other processes. These findings demonstrate a remarkably delicate coordination between Mfd and RNAP, allowing efficient targeting and recycling of Mfd and expedient conflict resolution. PMID- 29224784 TI - Ethics-based global health research for all, including women, children, indigenous people, LGBTQI, people with disabilities, refugees and other relevant stakeholders, especially in least developing countries and small island developing states in the Global South. PMID- 29224783 TI - In Vivo Target Gene Activation via CRISPR/Cas9-Mediated Trans-epigenetic Modulation. AB - Current genome-editing systems generally rely on inducing DNA double-strand breaks (DSBs). This may limit their utility in clinical therapies, as unwanted mutations caused by DSBs can have deleterious effects. CRISPR/Cas9 system has recently been repurposed to enable target gene activation, allowing regulation of endogenous gene expression without creating DSBs. However, in vivo implementation of this gain-of-function system has proven difficult. Here, we report a robust system for in vivo activation of endogenous target genes through trans-epigenetic remodeling. The system relies on recruitment of Cas9 and transcriptional activation complexes to target loci by modified single guide RNAs. As proof-of concept, we used this technology to treat mouse models of diabetes, muscular dystrophy, and acute kidney disease. Results demonstrate that CRISPR/Cas9 mediated target gene activation can be achieved in vivo, leading to measurable phenotypes and amelioration of disease symptoms. This establishes new avenues for developing targeted epigenetic therapies against human diseases. VIDEO ABSTRACT. PMID- 29224785 TI - Incongruence between molecules and morphology: A seven-gene phylogeny of Dacini fruit flies paves the way for reclassification (Diptera: Tephritidae). AB - Molecular and morphological research often suggest conflicting results. Selective pressure on certain morphologies can confound understanding of evolutionary relationships. Dacini is one of the most diverse tribes of tephritid flies and contains many economically important pest species. Their black and yellow patterned body markings are presumed to act as wasp mimicry, and the characters separating species and groups are limited and in some cases phenotypically plastic. The traditional taxonomy of the tribe is controversial because groupings are based on unique combinations of morphological characters without the use of cladistic methods, though recent phylogenetic and taxonomic analyses have resulted in significant changes to their taxonomy. The monophyly of the three largest genera in the tribe has been tested with only small numbers of representatives per genus and a limited number of genes. To further understand the taxonomy and evolution of Dacini we sequenced seven genes from 167 Dacini species and five dipteran outgroups to construct a robust phylogeny and test phylogenetic relationships between genera, subgenera, and species complexes. Our phylogeny confirms the monophyly of Dacus, Bactrocera, and Zeugodacus. However, most groups below the genus level are not monophyletic, and only through further revision will we be able to understand their evolution and clarify the taxonomy within this tribe. PMID- 29224786 TI - Multi-locus reassessment of a striking discord between mtDNA gene trees and taxonomy across two congeneric species complexes. AB - Resolving relationships among members of the yellow and citrine wagtail species complexes is among the greatest challenges in avian systematics due to arguably the most dramatic disagreements between traditional taxonomy and mtDNA phylogeny. Each species complex is divided into three geographically cohesive mtDNA clades. Each clade from one species complex has a sister from the other complex. Furthermore, one cross-complex pair is more distantly related to the remaining two pairs than are several other wagtail species. To test mtDNA gene tree topology, we sequenced the mtDNA ND2 gene and 11 nuclear introns for seven wagtail species. Our mtDNA gene tree reconstruction supported the results of previous studies, thereby confirming the disagreement between mtDNA phylogeny and taxonomy. However, our multi-locus species tree which used mtDNA clades as "taxa" was consistent with traditional taxonomy regardless of whether mtDNA was included in the analysis or not. Our multi-locus data suggest that despite the presence of strongly supported, geographically structured mtDNA variation, the mtDNA gene tree misrepresents the evolutionary history of the yellow and citrine wagtail complexes. This mito-nuclear discord results from mtDNA representing the biogeographic, but not evolutionary history of these recently radiated Palearctic wagtails. PMID- 29224787 TI - Global research output in antimicrobial resistance among uropathogens: A bibliometric analysis (2002-2016). AB - OBJECTIVES: Antimicrobial resistance (AMR) among uropathogens contributes to treatment failure. Research in AMR among uropathogens is important to establish treatment options. This study assessed global research trends in AMR among uropathogens. METHODS: SciVerse Scopus was used to retrieve relevant documents for the period 2002-2016. Only journal articles were included in the analysis. Analysis of author keywords was carried out using VOSviewer. RESULTS: A total of 1087 journal articles were retrieved with an h-index of 50. The number of publications increased noticeably in the past decade. Analysis of subject areas of retrieved documents showed that 275 (25.3%) articles were in molecular biology/genetics/microbiology/immunology, 197 (18.1%) were in pharmacological/therapeutic approaches for treatment of urinary tract infections and 615 (56.6%) were in epidemiology/public health. Terms such as multidrug resistant and extended-spectrum beta-lactamases (ESBLs) appeared more frequently in documents published in the period 2012-2016. The mean number of authors per article was 5.3. Most active authors in this field were from Japan. The USA ranked first with 148 documents (13.6%), followed by India (97; 8.9%) and Iran (84; 7.7%). The top productive institution was Tehran University of Medical Sciences (21 publications), followed by Kobe University in Japan (20 publications). The Journal of Antimicrobial Chemotherapy ranked first with 33 publications. CONCLUSION: Research in AMR among uropathogens showed a noticeable increase in the past decade. Reports of increasing incidence of resistance among uropathogens were published from different parts of the world. Empirical therapy should be based on updated research in AMR. PMID- 29224788 TI - Long-term intestinal obstruction sequelae and growth in children with cystic fibrosis operated for meconium ileus: expectancies and surprises. AB - BACKGROUND/PURPOSE: In the few studies on intestinal complications and growth of cystic fibrosis (CF) patients with a history of meconium ileus (MI), operated MI has not been investigated separately. We aimed to investigate the incidence of long-term intestinal obstruction sequelae [constipation, distal intestinal obstruction syndrome (DIOS)] and growth in CF patients operated for MI. METHODS: Retrospective study (1989-2016) including operative diagnoses and procedures, constipation and DIOS events, yearly Body Mass Index (BMI) measurements. Outcomes were examined in subgroups operated for MI only and for MI with atresia and/or volvulus. RESULTS: Of 49 patients followed-up for 15 (mean) years, 5 (10.2%) developed constipation and 14 (28.6%) DIOS. BMI was within normal percentiles in 53 patients over a 10-year follow-up. MI only and MI with atresia and/or volvulus did not differ in constipation and/or DIOS incidence (11/34 vs. 7/15, p=0.39) or in BMI (p=0.47). Cases with ileocecal valve resection (ICV-R) showed lower constipation and/or DIOS incidence than those without ICV-R (0/6 vs. 11/28, p=0.02) and no different BMI (p>0.05). CONCLUSIONS: CF patients operated for MI were in long-term risk for constipation/DIOS; their growth was normal. Interestingly, underlying atresia/volvulus neither increased constipation/DIOS risk nor affected growth. Strikingly, ICV-R showed no constipation/DIOS risk and no impact on growth. TYPE OF STUDY: Retrospective comparative study. LEVEL OF EVIDENCE: III. PMID- 29224789 TI - Pediatric surgical capacity building - a pathway to improving access to pediatric surgical care in Haiti. AB - PURPOSE: Lack of human resources is a major barrier to accessing pediatric surgical care globally. Our aim was to establish a model for pediatric surgical training of general surgery residents in a resource constrained region. MATERIALS/METHODS: A pediatric surgical program with a pediatric surgical rotation for general surgery residents in a tertiary hospital in Haiti in 2015 was established. We conducted twice daily patient rounds, ran an outpatient clinic, and provided emergent and elective pediatric surgical care, with tasks progressively given to residents until they could run clinic and perform the most common elective and emergent procedures. We conducted baseline and post intervention knowledge exams and dedicated 1 day a week to teaching and research activities. We measured the following outcomes: number of residents that completed the rotation, mean pre and post intervention test scores, patient volume in clinic and operating room, postoperative outcomes, resident ability to perform most common elective and emergent procedures, and resident participation in research. RESULTS: Nine out of 9 residents completed the rotation; 987 patients were seen in outpatient clinic, and 564 procedures were performed in children <15years old. There was a 50% increase in volume of pediatric cases and a 100% increase in procedures performed in children <4years old. Postoperative outcomes were: 0% mortality for elective cases and 18% mortality for emergent cases, 3% complication rate for elective cases and 6% complication rate for emergent cases. Outcomes did not change with increased responsibility given to residents. All senior residents (n=4) could perform the most common elective and emergent procedures without changes in mortality and complication rates. Increases in mean pre and post intervention test scores were 12% (PGY1), 24% (PGY2), and 10% (PGY3). 75% of senior residents participated in research activities as first or second authors. CONCLUSIONS: Establishing a program in pediatric surgery with capacity building of general surgery residents for pediatric surgical care provision is feasible in a resource constrained setting without negative effects on patient outcomes. This model can be applied in other resource constrained settings to increase human resources for global pediatric surgical care provision. LEVEL OF EVIDENCE: III. PMID- 29224790 TI - Increased expression of Semaphorin 3A in the endothelin receptor-B null mouse model of Hirschsprung disease. AB - PURPOSE: Semaphorins are guidance cues for developing neurons, implicated in the determination of the migratory pathway of neural crest-derived neural precursors during enteric nervous system development. Recently, it has been reported that Semaphorin 3A (SEMA3A) expression is up-regulated in the aganglionic colon in Hirschsprung disease (HD) patients, suggesting that increased SEMA3A expression may be a risk factor for HD. Thus, the aim of our study was to determine the expression of SEMA3A using Sox10-Venus mice gut. METHODS: We harvested the gut on postnatal day 2 (P2). SOX10-Venus+/EDNRB-/- mice were compared with SOX10 Venus+/EDNRB+/+ mice as controls. QRT-PCR was performed to determine gene expression of SEMA3A (n=8). Fluorescent immunohistochemistry was performed to assess protein distribution. RESULTS: On P2, gene expression levels of SEMA3A were significantly increased in the HD group compared to controls in the proximal and distal colon (p<0.05). Laser scanning microscopy revealed SEMA3A expression was localized within the submucosa and muscle layer of the gut in both HD and controls. In HD, SEMA3A was highly expressed in the proximal and distal colon. CONCLUSIONS: In the present study, we demonstrated that SEMA3A expression is increased in the EDNRB-/- HD model on P2, suggesting that SEMA3A may interfere with ENCC migration, resulting in an absence of enteric neurons. PMID- 29224791 TI - Antioxidant and anti-inflammatory effects of virgin coconut oil supplementation abrogate acute chemotherapy oxidative nephrotoxicity induced by anticancer drug methotrexate in rats. AB - BACKGROUND: Methotrexate (MTX) is an efficacious anticancer agent constrained in clinical use due to its toxicity on non-targeted tissue, a considerable source of worry to clinicians. Because the toxicity is associated with oxidative stress and inflammation, the study explored antioxidant and anti-inflammatory effect of virgin coconut oil (VCO) supplementation in nephrotoxicity induced by MTX in rats. METHODS: Rats were randomized into 4 groups (n=6) as follows: Control group; MTX group injected with single dose of MTX (20mg/kg, ip) on day 14; VCO (5%)+MTX and VCO (15%)+MTX groups were pre-treated with VCO diet and injected with single dose of MTX (20mg/kg, ip) on day 14. After 3 days of MTX injection, serum kidney markers, renal activities of antioxidant enzymes and glutathione (GSH) content were determined. Lipid peroxidation level and inflammatory markers- interleukin-6 (IL-6), nitric oxide (NO) and C-reactive protein (CRP) were estimated in kidney. Histopathological alterations were examined for kidney damage. RESULTS: MTX nephrotoxicity was evidenced by markedly elevated serum renal markers along with significant decreases in renal GSH and activities of antioxidant enzymes confirmed by histopathology. Lipid peroxidation level, IL-6, NO and CRP markedly increased compared to control. VCO supplementation prior to MTX injection attenuated MTX-induced oxidative nephrotoxicity via prominent increases in GSH and antioxidant enzyme activities in a dose-dependent manner. The renal inflammatory markers and MDA depleted considerably compared to MTX control group. Histopathological alterations were mitigated to confirm the biochemical indices. CONCLUSION: VCO supplementation demonstrates nephroprotective activity by attenuating MTX oxidative nephrotoxicity via antioxidant and anti-inflammatory activities in kidney. Our results suggested that VCO may benefit cancer patients on MTX chemotherapy against kidney injury. PMID- 29224792 TI - White butterfly (Clerodendrum volubile) leaf extract protects against carbon tetrachloride-induced hepatotoxicity in rats. AB - Currently, there is increasing attention towards flavonoids and phenolic compounds of plant origin because of their association with decrease in the incidence of cardiovascular diseases and different types of cancer. The present study investigates the protective effect of Clerodendrum volubile (C. volubile) methanolic extracts against carbon tetrachloride (CCl4)-induced hepatotoxicity in rats. Control rats (group I) received olive oil (1 mL/kg, i.p.), group II received CCl4 in olive oil (1 ml/kg, i.p.) to induce hepatotoxicity, groups III, IV and V were pretreated with leaf extract of C. volubile at 125 mg/kg, 250 mg/kg and 500 mg/kg body weight respectively for 14 days prior to CCl4 administration, group VI received vitamin E (100 mg/kg, p.o.) as standard antioxidant to compare with antioxidant effects of the extract. CCl4 hepatotoxicity, characterized by significant (P < 0.05) increase in the levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP), hepatic degeneration, and inflammation was attenuated by C. volubile methanolic extracts. The serum lipid parameters which include high density lipoprotein (HDL) and low density lipoprotein (LDL) were significantly (P < 0.05) decreased, and increased respectively by CCl4. Methanolic extracts of C. volubile significantly prevented the decrease in the level of HDL and the increase in LDL in a dose-dependent manner (P < 0.05). Decrease in total protein induced by CCl4 was moderately increased following administration of methanolic extracts of C. volubile. Lipid peroxidation was significantly (P < 0.05) reduced while the reduced glutathione (GSH) level and the activities of hepatic antioxidant enzymes (catalase, superoxide dismutase, and glutathione peroxidase) were significantly elevated by C. volubile extract in the CCl4-treated rats. Our findings indicate that C. volubile extract has a significant protective effect against CCl4-induced hepatotoxicity in rats which may be due to its antioxidant properties which is comparable to the reference antioxidant, vitamin E, used in this study. PMID- 29224793 TI - Validity of the toddler feeding questionnaire for measuring parent authoritative and indulgent feeding practices which are associated with stress and health literacy among Latino parents of preschool children. AB - Understanding the contribution of parental feeding practices to childhood obesity among Latino children is a solution-oriented approach that can lead to interventions supporting healthy childhood growth and lowering rates of obesity. The purpose of this study was to confirm the reliability and validity of the Toddler Feeding Questionnaire (TFQ) to measure parental feeding practices among a sample of Spanish-speaking parent-preschool child pairs (n = 529), and to test the hypothesis that parent characteristics of body mass index (BMI), stress, and health literacy are associated with more indulgent and less authoritative feeding practices. Standardized parent-report questionnaires were completed during baseline interviews in a randomized controlled trial of an obesity prevention intervention. The TFQ includes subscales for indulgent practices (11 items), authoritative practices (7 items), and environmental influences (6 items) with response options scored on a 5-point Likert scale and averaged. Factor analysis confirmed a three-factor structure. Internal consistency was good for indulgent (alpha = 0.66) and authoritative (alpha = 0.65) practices but lower for environmental (alpha = 0.48). Spearman correlation showed indulgent practices and environmental influences were associated with unhealthy child diet patterns, whereas authoritative practices were associated with a healthier child diet. Multivariate linear regression showed higher parent stress was associated with higher indulgent and lower authoritative scores; higher parent health literacy was positively associated with indulgent scores. These results indicate the TFQ is a valid measure of authoritative and indulgent parent feeding practices among Spanish-speaking parents of preschool-age children and that stress and health literacy, potentially modifiable parent characteristics, could be targeted to support healthy feeding practices. PMID- 29224795 TI - Best Practices for Surgeons' Social Media Use: Statement of the Resident and Associate Society of the American College of Surgeons. PMID- 29224794 TI - External Validation of the European Hernia Society Classification for Postoperative Complications after Incisional Hernia Repair: A Cohort Study of 2,191 Patients. AB - BACKGROUND: Incisional hernia is a frequent complication after midline laparotomy. Surgical hernia repair is associated with complications, but no clear predictive risk factors have been identified. The European Hernia Society (EHS) classification offers a structured framework to describe hernias and to analyze postoperative complications. Because of its structured nature, it might prove to be useful for preoperative patient or treatment classification. The objective of this study was to investigate the EHS classification as a predictor for postoperative complications after incisional hernia surgery. STUDY DESIGN: An analysis was performed using a registry-based, large-scale, prospective cohort study, including all patients undergoing incisional hernia surgery between September 1, 2011 and February 29, 2016. Univariate analyses and multivariable logistic regression analysis were performed to identify risk factors for postoperative complications. RESULTS: A total of 2,191 patients were included, of whom 323 (15%) had 1 or more complications. Factors associated with complications in univariate analyses (p < 0.20) and clinically relevant factors were included in the multivariable analysis. In the multivariable analysis, EHS width class, incarceration, open surgery, duration of surgery, Altemeier wound class, and therapeutic antibiotic treatment were independent risk factors for postoperative complications. Third recurrence and emergency surgery were associated with fewer complications. CONCLUSIONS: Incisional hernia repair is associated with a 15% complication rate. The EHS width classification is associated with postoperative complications. To identify patients at risk for complications, the EHS classification is useful. PMID- 29224796 TI - Residents' Impressions of the Impact of Advanced Practice Providers on Surgical Training. AB - BACKGROUND: To ensure that residents are appropriately trained in the era of the 80-hour work-week, training programs have restructured resident duties and hired advanced practice providers (APPs). However, the effect of APPs on surgical training remains unknown. STUDY DESIGN: We created a survey using a modified Delphi technique to examine the interaction between residents and APPs across practice settings (inpatient, outpatient, and operating room). We identified the following domains: administrative tasks, clinical experience, operative experience, and overall impressions. We administered the survey to residents across 7 surgical training programs at a single institution and assessed internal reliability with Cronbach's alpha. RESULTS: Fifty residents responded (77% participation rate). The majority reported APPs reduced the time spent on administrative tasks, such as completing documentation (96%) and answering pages (88%). For clinical experience, 62% of residents thought that APPs had no impact on the amount of time spent evaluating consult patients, and 80% reported no difference in the number of bedside procedures performed. However, 77% of residents reported a reduction in the time spent counseling patients. When APPs worked in the inpatient setting, 90% of residents reported leaving the operating room less frequently to manage patients. When APPs were present in the operating room, 34% of residents thought they were less likely to perform key parts of the case. Cronbach's alpha showed excellent to good reliability for the administrative tasks (0.96), clinical experience (0.76), operative experience (0.69), and overall impressions (0.66) domains. CONCLUSIONS: Most residents report that the integration of APPs has decreased the administrative burden. The reduction in patient counseling might be an unrecognized and unintended consequence of implementing APPs. The perceived effect on operative experience is dependent on the role of the APPs. PMID- 29224797 TI - Kidney Transplantation With and Without Native Nephrectomy for Polycystic Kidney Disease: Results of the National Inpatient Sample and the Rationale for a 2 Staged Procedure. AB - BACKGROUND: Polycystic kidney disease (PKD) is one of the most common causes of end-stage renal disease requiring hemodialysis or transplantation. In patients requiring transplantation, there are several indications for native nephrectomy, including recurrent cyst infection, bleeding, or to provide room for the graft. There is disagreement about whether it is advisable to perform kidney transplantation alone (KT), or to perform KT with simultaneous native nephrectomy (KTN). We compared postoperative outcomes of KTN and KT in a large national cohort. STUDY DESIGN: The Nationwide Inpatient Sample (NIS) between 2000 and 2014 was examined for a diagnosis of PKD with evidence for KT or KTN. Logistic regression, adjusting for age, sex, comorbidity, and hospital region, was used to compare groups for the need for blood transfusion, need for critical care interventions, and development of postoperative complications. RESULTS: A total of 4,003 hospitalizations were identified, which was representative of 19,302 weighted discharges nationally. In adjusted logistic regression models, KTN demonstrated significantly higher risk for blood transfusion (odds ratio [OR] 2.06; 95% CI 1.44 to 2.96; p < 0.0001), postoperative complications (OR 1.44; 95% CI 1.05 to 1.96; p = 0.02), and critical care interventions (OR 1.44; 95% CI 1.07 to 1.95; p = 0.02). Other significant predictors for blood transfusion included female sex (OR 1.76; 95% CI 1.45 to 2.13; p < 0.0001), age older than 61 years (OR 1.60; 95% CI 1.21 to 2.10; p = 0.001), and Charlson comorbidity score >=2 (OR 1.52; 95% CI 1.10 to 2.09; p = 0.01). CONCLUSIONS: Among patients with PKD, in comparison with KTN, KT alone represents a decreased risk for negative postoperative outcomes. A 2-staged procedure should be considered, when feasible, to minimize adverse patient outcomes. PMID- 29224798 TI - Slide Esophagoplasty vs End-to-End Anastomosis for Recalcitrant Esophageal Stricture after Esophageal Atresia Repair. AB - BACKGROUND: Anastomotic stricture is a common complication after esophageal atresia (EA) repair. Patients with a recalcitrant stricture may require surgical intervention. The technique of reanastomosis after stricture resection can affect patient outcomes. STUDY DESIGN: Patients with EA who underwent anastomotic stricture resection, from July 2010 to February 2017, were reviewed. After stricture resection, patients who had slide esophagoplasty performed were compared with those having conventional end-to-end anastomosis. RESULTS: Fifty patients underwent stricture repair surgery by slide esophagoplasty (n = 12) or end-to-end (n = 38) anastomosis technique at a median age of 14 months (interquartile range [IQR] 6 to 23 months). Significantly fewer patients required dilation therapy after slide esophagoplasty: 6 of 12 (50%) compared with 32 of 38 (84%) in the end-to-end group (p = 0.02). The number of dilation sessions was significantly lower in the slide group vs the end-to-end (p = 0.004) group, with a risk ratio confirming the approximately half the number of dilations for the slide approach (risk ratio 0.57, 95% CI 0.38 to 0.86). Steroid injection was combined with dilation in 3 of 12 (25%) vs 22 of 38 (58%) in the slide and end-to end groups, respectively (p = 0.10). Stent placement was used in none of slide cases vs 8 of 38 (21%) in the end-to-end group (p = 0.17). Stricture incision was performed in 1 of 12 (8%) in the slide group and 11 of 38 (29%) in the end-to-end group (p = 0.25). There were leak complications in fewer patients after slide esophagoplasty compared with end-to-end anastomosis: 1 of 12 (8%) vs 8 of 38 (21%) (p = 0.43). CONCLUSIONS: Slide esophagoplasty may be a useful technique of anastomotic configuration for selected patients with recalcitrant esophageal stricture, offering more favorable outcomes compared with end-to-end anastomosis. PMID- 29224799 TI - Editorial overview: Gastrointestinal: New frontiers in therapeutics for GI diseases and disorders-from microRNAs to novel pharmaceutics, to low FODMAP diets and microbiome. PMID- 29224800 TI - Editorial overview: Endocrine and metabolic diseases: Busting BMI: new strategies for the treatment of obesity and metabolic disease. PMID- 29224801 TI - Abraham Lilienfeld Award address: 2017 Annual Meeting of the American College of Epidemiology. AB - The address was delivered by Roberta B. Ness, MD MPH at the Annual Meeting of the American College of Epidemiology in New Orleans, Louisiana on September 26, 2017. Dr. Ness is James W. Rockwell Professor of Public Health and Vice-President for Innovation at the University of Texas School of Public Health. Recognized nationally and internationally for her expertise in women's health research, Dr. Ness pioneered the area of "gender-based biology". In more recent years, she developed an innovative program at the UT School of Public Health aimed at cultivating "outside the box" thinking among training scientists. Dr. Ness has authored a range of books on her work, including Health and Disease among Women (1999), Innovation Generation (2012), Genius Unmasked (2013) and The Creativity Crisis: Reinventing Science to Unleash Possibility (2014). Dr. Ness is Past President of both the American College of Epidemiology and American Epidemiological Society, an honorary society of epidemiologists. She is also former Dean of UTHealth School of Public Health and former Interim Dean at the University of Pittsburgh Graduate School of Public Health. Dr. Ness is a frequent advisor to the National Institutes of Health (NIH), Centers for Disease Control and Prevention (CDC), Agency for Healthcare Research and Quality (AHRQ), and US Department of Defense (DOD). She has an MD from Cornell University and MPH from Columbia University. Dr. Ness is an elected member of the National Academy of Medicine, American Society of Clinical Investigation (ASCI), and Delta Omega honorary society. PMID- 29224802 TI - Digestive Disorders of the Abomasum and Intestines. PMID- 29224803 TI - Salmonella in Dairy Cattle. AB - As an infectious, contagious pathogen, Salmonella is probably rivaled by only bovine viral diarrhea virus in its ability to cause clinical disease, such as enteritis, septicemia, pneumonia, and reproductive losses. The increasing prevalence of Salmonella, particularly Salmonella Dublin, on dairies presents new challenges to producers and veterinarians. No current discussion of bovine salmonellosis is complete without acknowledging the increasing public health concern. Increasing antimicrobial resistance among enteric pathogens brings the use of antimicrobials by veterinarians and producers under ever stricter scrutiny. This article provides a comprehensive review of Salmonella etiology, prevalence, pathogenesis, diagnostics, treatment, and control. PMID- 29224804 TI - Clinical implications of pathologic factors after thyroid lobectomy in patients with papillary thyroid carcinoma. AB - OBJECTIVE: We evaluated the clinical and prognostic significance of pathologic factors by analyzing the treatment results of patients who underwent thyroid lobectomy. MATERIALS AND METHODS: We retrospectively analyzed data from 734 patients diagnosed with papillary thyroid cancer who underwent thyroid lobectomy at Korea University Hospital from January 2004 to December 2016. RESULTS: A total of 734 patients were included in the study and their mean age was 44.5 years (range, 15-83). On univariate analysis, tumor size and recurrence-free survival were significantly related. The 10-year recurrence-free survival was 98.3% for tumors <=1cm, 77.8% for >1cm and <=2cm, and 66.7% for >2cm (p = 0.014). Recurrence-free survival was significantly different between patients with and without microscopic extrathyroidal extension (p=0.002). The 10-year recurrence free survival rate was 99.2% for patients without extrathyroidal extension and 92.2% for patients with microscopic extrathyroidal extension. Multivariate analysis showed only microscopic extrathyroidal extension was significantly correlated with recurrence-free survival (p=0.029). CONCLUSION: In patients undergoing thyroid lobectomy for low-risk papillary thyroid cancer, microscopic extrathyroidal extension was an important prognostic factor associated with recurrence-free survival. However, in cases with microscopic extrathyroidal extension findings on postoperative pathologic examination, appropriate ultrasonographic follow-up of the contralateral thyroid lobe and cervical lymph node to facilitate early detection and prompt treatment of recurrence can control the disease without a deterioration of survival rate. PMID- 29224805 TI - Prognostic value of masticatory muscle involvement in nasopharyngeal carcinoma patients treated with intensity-modulated radiation therapy. AB - BACKGROUND AND PURPOSE: In 2017, the 8th edition of the nasopharyngeal carcinoma (NPC) staging manual published by the Union for International Cancer Control/American Joint Committee on Cancer (UICC/AJCC) defined new rules regarding the involvement of anatomical masticatory muscles (MM). The purpose of this study is to evaluate the validity of the current T-staging system after the addition of revisions regarding MM involvement. METHODS: We performed a retrospective review of 608 patients, who were newly diagnosed with NPC and treated with intensity-modulated radiotherapy (IMRT) between January 2008 and March 2010. RESULTS: We found MM involvement in 398 NPC cases (65.4%). We observed a significant difference in overall survival (OS; 75.6% vs. 86.7%, P = .043) and in local relapse-free survival (LRFS; 81.5% vs. 88.6%, P = .048) between patients with and without MM involvement, but no difference in distant metastasis-free survival (DMFS; 80.3% vs. 85.0%, P = .147) or disease-free survival (DFS; 77.9% vs. 81.6%, P = .081). Significant differences in OS and LRFS were also found among different types of MM involvement. Compared with patients who had concurrent involvement of the lateral pterygoid muscle (LP), patients with tumors invading only the medial pterygoid muscle (MP) had a higher OS and LRFS rates, according to univariate and multivariate analysis (P < .05). CONCLUSIONS: MM involvement is an independent prognostic factor for OS and LRFS. We conclude that the decision to down-stage MP as T2 in the 8th edition staging system is valid. However, tumors with LP involvement were more rational classified into a higher T-staging category than tumors with only-MP involvement. PMID- 29224806 TI - Oncogenic DNA viruses found in salivary gland tumors. AB - BACKGROUND: Previous investigations studying the association of DNA viruses with salivary gland tumors (SGTs) have led to conflicting results. The aim of this study was to determine the prevalence of different DNA viruses by using a highly sensitive assay in a multi-center series of over 100 fresh frozen salivary gland samples. METHODS: DNA was isolated from 84 SGTs (80 parotid tumors and 4 submandibular gland tumors) and 28 normal salivary tissue samples from 85 patients in Northeast Italy. Using a highly sensitive type-specific multiplex genotyping assay, we analyzed the samples for the presence of DNA from 62 different viruses including 47 papillomaviruses, 10 polyomaviruses, and 5 herpesviruses. RESULTS: We observed a high prevalence of beta human papillomavirus DNA in malignant tumors. In contrast, polyomavirus DNA was present in benign, malignant, and non-tumor control samples. Most striking was the significant distribution of herpesvirus DNA in the SGT samples, in particular the high prevalence of Epstein-Barr type 1 and type 2 DNA in Warthin's tumor samples. CONCLUSION: Our data provides evidence for the presence of DNA viruses in SGTs. Mechanistic studies are needed to further attribute tumor formation to these viruses. PMID- 29224807 TI - Construction of mass spectra database and diagnosis algorithm for head and neck squamous cell carcinoma. AB - OBJECTIVES: Intraoperative identification of tumor margins is essential to achieving complete tumor resection. However, the process of intraoperative pathological diagnosis involves cumbersome procedures, such as preparation of cryosections and microscopic examination, thus requiring more than 30 min. Moreover, intraoperative diagnoses made by examining cryosections are occasionally inconsistent with postoperative diagnoses made by examining paraffin embedded sections because the former are of poorer quality. We sought to establish a more rapid accurate method of intraoperative assessment. MATERIALS AND METHODS: A diagnostic algorithm of head and neck squamous cell carcinoma (HNSCC) using machine learning was constructed by mass spectra obtained from 15 non-cancerous and 19 HNSCC specimens by probe electrospray ionization mass spectrometry (PESI-MS). The clinical validity of this system was evaluated using intraoperative specimens of HNSCC and normal mucosa. RESULTS: A total of 114 and 141 mass spectra were acquired from non-cancerous and cancerous specimens, respectively, using both positive- and negative-ion modes of PESI-MS. These data were fed into partial least squares-logistic regression (PLS-LR) to discriminate tumor-specific spectral patterns. Leave-one-patient-out cross validation of this algorithm in positive- and negative-ion modes showed accuracies in HNSCC diagnosis of 90.48% and 95.35%, respectively. In intraoperative specimens of HNSCC, this algorithm precisely defined the borders of the cancerous regions; these corresponded with those determined by examining histologic sections. The procedure took approximately 5 min. CONCLUSION: This diagnostic system, based on machine learning, enables accurate discrimination of cancerous regions and has the potential to provide rapid intraoperative assessment of HNSCC margins. PMID- 29224808 TI - Delayed clinical complete response to intensity-modulated radiotherapy in nasopharyngeal carcinoma. AB - OBJECTIVE: Twelve weeks after radiotherapy is the recommended time-point for assessing tumor response in nasopharyngeal carcinoma (NPC); however, regression after 12 weeks remains unclear. We explored NPC regression and the prognosis of patients with delayed clinical complete response (cCR). MATERIALS AND METHODS: MRI images of 556 NPC patients treated with intensity-modulated radiotherapy (IMRT) between 2009 and 2012 were retrospectively reviewed. Clinical tumor response was assessed at 3-4 (assessment 1) and 6-9 months (assessment 2) after IMRT, and survival rates were compared. RESULTS: Of the 556 patients, 463 (83.3%) had cCR at assessment 1 (early cCR). Of the 93 patients with partial response at assessment 1, 45 (48.4%) achieved cCR at assessment 2 (delayed cCR), and 48 did not have cCR at assessment 2 (non-cCR). Locoregional failure rate was lower in patients with a cCR than those without a cCR at assessment 1 (7.1% vs. 26.9%, P < .001) and assessment 2 (7.1% vs. 45.8%, P < .001). Multivariate analysis showed cCR was a favorable prognostic factor for locoregional failure-free survival (LRFFS), failure-free survival (FFS), and overall survival (OS). Early and delayed cCR groups had better 5-year LRFFS (92.6% vs. 93.3% vs. 54.2%), FFS (83.8% vs. 84.4% vs. 48.5%) and OS (92.1% vs. 90.6% vs. 65.4%) than the non-cCR group (all P < .001). CONCLUSIONS: Nearly half of the patients with partial response at 3-4 months achieve cCR by 6-9 months; delayed cCR is not a poor prognosticator. We suggest later assessment of cCR at 6-9 months after IMRT is acceptable in responding NPC. PMID- 29224809 TI - Unplanned readmission following transoral robotic surgery. AB - OBJECTIVES: To determine the rate of unplanned readmission after transoral robotic surgery (TORS), and to determine which patient or surgical factors increase the likelihood of readmission. MATERIALS AND METHODS: Retrospective chart review of all patients who underwent TORS for squamous cell carcinoma at our institution from March 2010 through July 2016. Primary outcome was unplanned readmission to the hospital within 30 days of discharge. Univariable and multivariable logistic regression were performed to identify risk factors for unplanned readmission. RESULTS: 297 patients met eligibility criteria. 23 patients (7.7%) had unplanned readmissions within 30 days. Most common reasons for readmission were oropharyngeal bleed (n = 13) and pain/dehydration (n = 10). Average time to unplanned readmission was 6.52 days (range 0-25 days). Discharge on clopidogrel was the only variable independently associated with an increased risk of 30-day unplanned readmission on multivariable analysis with an OR = 6.85 (95% CI 1.59-26.36). Unplanned return to the operating room during initial hospitalization (OR = 7.55, 95% CI 1.26-38.50) and discharge on clopidogrel (OR = 10.45, 95% CI 1.06-82.69) were associated with increased risk of postoperative bleeding. Bilateral neck dissection (OR = 5.17, 95% CI 1.15-23.08) was associated with significantly increased odds of unplanned readmission secondary to pain and dehydration. CONCLUSION: Unplanned readmission following TORS occurs in a small but significant number of patients. Oropharyngeal bleeding and dehydration were the most common reasons for unplanned readmission following TORS. PMID- 29224810 TI - Utilization of a pre-bent plate-positioning surgical guide system in precise mandibular reconstruction with a free fibula flap. AB - OBJECTIVES: We evaluated the effects of three-dimensional virtual planning and the use of a plate-embedded surgical guide in mandibular reconstruction with microvascular fibula flaps. MATERIALS AND METHODS: We retrospectively reviewed 35 patients who underwent primary mandibular reconstruction with a free fibula flap. They were divided into three groups according to the therapy they received. In group A, 12 patients underwent reconstruction using the modified surgical guide system, including virtual surgeries, pre-bent titanium plates, screw predesignated cutting guides for mandibular and fibular osteotomies, and plate embedded shaping guides. In group B, 14 patients underwent reconstruction using the common surgical guide system, including virtual surgeries, cutting guides and pre-bent plates. In group C, 9 patients underwent reconstruction based on the surgeon's experience. All cases were reviewed for the total operative time, ischemia time of the fibula flaps, accuracy of surgery, and postoperative complications. RESULTS: All of the fibula flaps survived. In group A, the ischemia time was shorter than that of groups B and C (P < .05). The average gonion and condyle shift was lower in group A than in groups B and C (P < .01). CONCLUSIONS: Application of the screw-predesignated and plate-embedded surgical guide system can reduce the ischemia time and operation time in mandibular reconstruction with a fibula flap, and can increase reconstruction accuracy. This method is a precise and highly reliable technique for improving the clinical outcome of mandibular reconstruction. PMID- 29224811 TI - Cancer stem cell and its niche in malignant progression of oral potentially malignant disorders. AB - OBJECTIVE: The purpose of this study was to determine association between cancer stem cells (CSCs) and their niche with progression of oral potentially malignant disorders. MATERIALS AND METHODS: Patients with histologically confirmed oral potentially malignant disorders, stratified into high/low risk lesions based on the degree of dysplasia and oral cancer were included in this study. Immunohistochemical profiling of markers of CSCs (CD44), endothelial cells (CD31) and CSC-vascular niche cross-talk (CXCR4 and SDF1) were carried out. Statistical analysis was performed to correlate the relationship of markers with histopathology grade (ANOVA, and chi2 test, unpaired t test) using GraphPad InStat v3.06. RESULTS: The study included 550 samples (349 patients) and analysis showed progressive increase in expression levels of CSC and its niche markers with increase in grade of dysplasia as compared to the normal cohort (p < 0.05). Co-expression analysis revealed that, in comparison to the normal cohort, a larger percentage of patients showed increased expression of CD31 and CD44 (CD31high/CD44high; p < 0.05) and of CXCR4 and SDF1 (CXCR4high/SDF1high; p = 0.04), suggesting an association of the CSCs and the vascular niche. Further, distribution of patients with CD44high/CXCR4high (p < 0.05) and CD31high/SDF1high (p = 0.01) was significantly increased in the high-risk group (18%), suggesting a correlation between CD44+/CXCR4+ cells, the vascular niche and progression of oral dysplastic lesions. CONCLUSION: The increased expression of CSCs, the vascular niche and their cross talk markers are associated with increase in severity of dysplasia suggesting their role in the progression of oral potentially malignant disorders and may hence be used in identifying high-risk OPMD. PMID- 29224813 TI - Psychometric validation of the Center for Epidemiological Studies Depression Scale in Head and Neck Cancer patients. AB - OBJECTIVE: The Center for Epidemiological Studies Depression Scale (CES-D) is a 20-item tool developed to screen for depression in the general population. To psychometrically evaluate and validate the CES-D scale for use in head and neck cancer (HNC) patients. METHODS: The CES-D was applied to 130 subjects at onset of radiation treatment and 3-months following treatment. Analysis was conducted via face and content validity using two expert raters, internal consistency was applied using Cronbach's alpha, test retest reliability comparing baseline to 3 month application, concurrent validity was performed against the FACT-H&N and Pain Disability Index, construct validity was conducted via exploratory factor analysis. RESULTS: The sample was predominantly male receiving chemo radiation. Face validity was strong (alpha = 0.85). Significant difference was found in the mean score between depressed (CES-D cut point >= 16) vs. non-depressed (t = 15.84, p = .00) (95% CI = -17.18, -13.33). Internal consistency of the scale was high (alpha = 0.84). Test retest reliability (p < .001) showed moderate-strong correlations (0.51), however was not sensitive to change in this sample across the study time period. Concurrent validity was strong (r = -0.77, 0.51). Factor analysis at baseline explained 54.92% of variance, with 3 distinct factors; depressed affect, somatic/retarded activity, and positive affect. In contrast to general populations, the factor 'disturbed interpersonal skill' was not retained. CONCLUSION: Results confirm the reliability and validity of the CES-D as a measure of depression in HNC populations. Proposed cut off scores remain stable but scale responsiveness suggests caution when evaluating change over time in this population. PMID- 29224812 TI - Differential roles of kallikrein-related peptidase 6 in malignant transformation and DeltaNp63beta-mediated epithelial-mesenchymal transition of oral squamous cell carcinoma. AB - We previously reported that epithelial-to-mesenchymal transition (EMT) was mediated by DeltaNp63beta in oral squamous cell carcinoma (OSCC). In this study, DNA microarray analyses were performed using DeltaNp63beta-overexpressing OSCC cells to identify genes associated with DeltaNp63beta-mediated EMT. Thereby, we focused on kallikrein-related peptidase (KLK) 6, most up-regulated following DeltaNp63beta-overexpression, that activates protease-activated receptors (PARs). In RT-PCR analyses, DeltaNp63 was positively associated with KLK6 and PAR2 and negatively with PAR1 in OSCC cells. By DeltaNp63 knockdown, KLK6 and PAR2 expression was decreased and PAR1 was increased. Furthermore, KLK6 knockdown led to enhancing migration and invasion, and inhibiting proliferation, suggesting EMT phenotypes. Although, in the KLK6 or PAR2 knockdown cells, phosphorylation of ERK was reduced, it was restored in the KLK6 knockdown OSCC cells treated with recombinant KLK6 proteins. Immunohistochemistry showed DeltaNp63, KLK6, and PAR2 were more strongly expressed in the epithelial dysplasia and central region of OSCC than normal oral epithelium, whereas PAR1 expression was undetectable. Interestingly, at the invasive front of OSCC, DeltaNp63, KLK6, and PAR2 were reduced, but PAR1 was elevated. In addition, the OSCC patients with decreasing KLK6 expression at the invasive front had more unfavourable prognosis. These results suggested differential roles of KLK6 in malignant transformation and EMT; high DeltaNp63beta expression up-regulates KLK6-PAR2 and down-regulates PAR1, inducing malignant transformation in oral epithelium with stimulating proliferation through ERK signal activation. Moreover, KLK6-PAR2 expression is down-regulated and PAR1 is up-regulated when DeltaNp63beta expression is decreased, leading to EMT with enhancing migration and invasion through ERK signal reduction at the invasive front. PMID- 29224814 TI - Transoral robotic surgery-based therapy in patients with stage III-IV oropharyngeal squamous cell carcinoma. AB - OBJECTIVE: TORS-based therapy including chemotherapy or RTx was administered to patients with stage III-IV OPSCC. We analyzed the oncological and functional outcomes of stage III-IV OPSCC patients who underwent TORS-based therapy. MATERIALS AND METHODS: Between May 2008 and May 2016, 80 patients participated in this clinical trial. RESULTS: A negative margin was identified in 66 patients (82.5%) and a positive margin in 14 (17.5%). TNM stages were III in 13 patients (16.3%) and IV in 67 patients (83.8%). Of the patients, 13 received surgery alone, 28 had adjuvant RTx and 39 had adjuvant CCRTx. At last follow-up, 67 patients had no evidence of disease, seven were alive with disease, and six had died. Local recurrence developed in 2 patients and regional recurrence in 10. Five-year overall survival was 88.8%, disease-specific survival was 89.9%, and recurrence-free survival was 78.3%. The 5-year disease-specific survival of OPSCC patients with p16+ disease was 93.2%, which was higher than 89.0% of patients with p16- disease, but the difference was not statically significant. On multivariate analysis, only extranodal extension showed a significant relationship with recurrence-free survival on Cox regression analysis. CONCLUSION: TORS-based therapy showed excellent oncological and functional outcomes for treatment of stage III-IV OPSCC. For advanced T stage OPSCC, clear margins were obtained using TORS-based therapy and patients with clear margins showed good local control. Risk stratification of patients based on pathological information obtained after surgery and decision about additional treatment based on the information helped improve OS and DSS of OPSCC patients. PMID- 29224815 TI - Definitive (chemo)radiotherapy is a curative alternative for standard of care in advanced stage squamous cell carcinoma of the oral cavity. AB - OBJECTIVE: To compare outcome after definitive (chemo)radiotherapy (CRT group) with standard of care (surgery group) for advanced stage oral cavity carcinoma (OCC). Although definitive (chemo)radiotherapy is assumed to be inferior to surgery with regard to disease control, data on outcome of this approach are scarce. METHODS: Retrospective analysis by chart review (2000-2013). Endpoints were locoregional control (LRC), disease-free survival (DFS), disease specific survival (DSS) and overall survival (OS). RESULTS: Between the CRT-group (n = 100) and Surgery-group (n = 109), baseline characteristics were equally distributed except stage and local tumor diameter (all p <= .001). In the CRT group, at 5 years the LRC rate was 49%, DFS 22%, DSS 39% and OS 22%. In the surgery group, at 5 years the LRC rate was 77%, DFS 45%, DSS 64% and OS 45%. The survival curves of the two groups significantly differed for LRC (p < .001), DFS and DSS (p = .001) and OS (p = .002). After adjusting for confounders and prognostic factors, we found a significant difference between the treatment groups in LRC (adjusted HR = 2.88, 95%CI 1.35-6.16, p = .006). Within 100 days, 5 patients (5%) died from treatment-related toxicity in CRT group and 1 patient after surgery (p = .21). CONCLUSIONS: Although surgery with adjuvant radiotherapy for advanced stage OCC results in favorable locoregional control, definitive (chemo)radiotherapy is a curative alternative in patients often considered beyond cure and should be considered when surgery is not feasible. PMID- 29224817 TI - Reconstruction Special Edition, Issue 2. PMID- 29224816 TI - Hypermethylated ZNF582 and PAX1 genes in oral scrapings collected from cancer adjacent normal oral mucosal sites are associated with aggressive progression and poor prognosis of oral cancer. AB - OBJECTIVE: This study assessed whether hypermethylated ZNF582 and PAX1 genes in oral scrapings are correlated with the progression and prognosis of oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS: Methylation levels of ZNF582 and PAX1 genes in oral scrapings, collected from the cancer and adjacent normal oral mucosal sites of 80 OSCC patients before surgical cancer excision, were quantified using real-time methylation-specific PCR after bisulfite conversion. RESULTS: Both the mean methylation (M)-indices of ZNF582 and PAX1 genes in oral scrapings were significantly higher at the cancer sites than at the adjacent normal oral mucosal sites (both P < .001). In the oral scrapings collected from the adjacent normal oral mucosal sites, the higher M-index of methylated ZNF582 (ZNF582m) was significantly correlated with a more advanced clinical stage (P = .04). Moreover, the higher M-index of methylated PAX1 (PAX1m) was significantly related to larger tumor size (P = .046). When the 80 OSCC patients were classified based on gene methylation tests, using the oral scrapings collected from the adjacent normal oral mucosal sites, we found a significantly shorter 3 year overall survival in ZNF582m-positive, PAX1m-positive, and ZNF582m/PAX1m positive OSCC patients than in ZNF582m-negative (P = .02), PAX1m-negative (P = .04), and ZNF582m/PAX1m-negative OSCC patients (P = .02), respectively. Multivariate Cox regression analyses identified ZNF582m and ZNF582m/PAX1m as independent unfavorable prognostic factors. CONCLUSION: Hypermethylated ZNF582 and PAX1 genes in the oral scrapings collected from adjacent normal oral mucosal sites rather than cancer sites are associated with aggressive progression and poor prognosis of OSCC. PMID- 29224818 TI - Reconstruction after salvage laryngectomy. AB - Both early and advanced stage laryngeal cancers are treated with organ-preserving strategies including radiation alone or concurrent chemoradiotherapy. While organ preserving modalities have proven effective in eradicating cancer while also preserving laryngeal function, there remains a proportion of cases where residual or recurrent cancer prevails, or conversely, where radiotherapy renders a larynx dysfunctional. In these circumstances, salvage total laryngectomy is often the surgical treatment. The effects of radiotherapy to the neck, amplified by chemotherapy, can create an inhospitable surgical environment, making the salvage laryngectomy an operation fraught with the potential for major complications such as the dreaded pharyngocutaneous fistula. The introduction of vascularized tissue from outside the irradiated field decreases the risk of major wound complications. Free tissue transfer, with a variety of donor sites available, is commonly employed to reconstruct either a patch or a circumferential segment of the pharynx. When there is enough pharyngeal mucosa for primary closure, a vascularized onlay graft or a pharyngeal interposition graft can be used to reinforce the closure. This has been demonstrated to both reduce the severity of pharyngocutaneous fistula and decrease the risk of developing a pharyngocutaneous fistula compared to primary closure alone. Beyond mitigating the risk for perioperative complications, flap selection may have implications on the long term outcomes after salvage total laryngectomy and these must be considered preoperatively. The purpose of this review is to examine the various options for reconstruction after salvage total laryngectomy and to examine some of their advantages and disadvantages in the short and long-term. PMID- 29224819 TI - Outcome by treatment modality in sinonasal undifferentiated carcinoma (SNUC): A case-series, systematic review and meta-analysis. AB - OBJECTIVE: Sinonasal undifferentiated carcinoma (SNUC) is an aggressive malignancy first described by Frierson et al. in 1986. As the tumor is very rare, current treatment recommendations are based on institutional case reports. We thus felt the need to perform a comprehensive systematic review and meta-analysis to investigate how treatment modalities are associated with survival. DESIGN: Case-series, systematic review and meta-analysis METHODS: We searched the OvidMedline, OvidEmbase, Web of Science, Biosis, Scopus and the Cochrane Library database libraries. We extracted aggregate and individual patient data for statistical analysis. To study the association between treatment modalities and survival, we used random-effects meta-regression for the aggregate- and cox mixed effects models. RESULTS: 379 citations were found; 29 case series could be included in the final analysis, including a total number of 390 single patients (34.6% female). Median age at diagnosis was 52 years. 80.9% of patients presented with a T4 tumor and 16.0% with nodal metastasis at diagnosis. In individual patient data (IPD) meta-analysis, single modality (surgery alone or radiation alone) treatment was associated with reduced survival compared to double modality (surgery & radiation or chemoradiation) treatment (adjusted Hazard Ratio [aHR] 2.97, 95% ConfidenceInterval [1.41-6.27]) and compared to triple modality (surgery & radiation & chemotherapy) treatment (aHR 2.80 95%-CI 1.29-6.05 for triple vs. single modality). Triple modality treatment was not superior to double modality treatment. (aHR 1.06, 95%-CI 0.59-1.92). CONCLUSION: Double and triple modality treatment are associated with improved survival over single modality but there is no evidence that triple modality is superior to double modality treatment. PMID- 29224820 TI - Risk of contralateral nodal failure following ipsilateral IMRT for node-positive tonsillar cancer. AB - PURPOSE: To determine the risk of contralateral nodal failure following ipsilateral radiotherapy in a series of patients with node-positive tonsillar squamous cell carcinoma. METHODS: Retrospective review was used to identify 34 patients with well-lateralized node-positive tonsillar squamous cell carcinoma treated with definitive or adjuvant radiation to the primary site and ipsilateral neck between 2005 and 2015. Contralateral nodal failure, locoregional recurrence, distant metastasis, and overall survival were calculated using actuarial and/or cumulative incidence statistics. RESULTS: At last follow-up, contralateral nodal failure was only observed in 1 patient (3%) with N1 disease. At median follow-up of 34 months for surviving patients, the 3-year overall survival probability was 87%, and the 3 year cumulative incidences of locoregional failure and distant metastasis were 6.5% and 7.2%, respectively. No disease-free patient was permanently gastrostomy-dependent. CONCLUSION: Ipsilateral radiation treatment with IMRT is effective in node-positive patients with well-lateralized tonsillar cancer, resulting in a low risk of contralateral regional recurrence, even in patients with N2b disease. PMID- 29224821 TI - A multicenter study of malignant oral and maxillofacial lesions in children and adolescents. AB - OBJECTIVES: To investigate the frequency of malignant oral and maxillofacial lesions among children and adolescents from representative geographic regions of Brazil. MATERIALS AND METHODS: A retrospective study was conducted on biopsies obtained from 1990 to 2016 at six Brazilian oral and maxillofacial pathology referral centers. A total of 85,105 biopsy specimens from children and adolescents were analyzed. Gender, age, anatomical location, symptomatology and histopathological diagnosis were evaluated. Data were analyzed using descriptive statistical methods. RESULTS: Fifty-eight (0.06%) malignant oral and maxillofacial lesions were diagnosed in children (19%) and adolescents (81%). The lesions were more frequent among females (60.3%) and adolescents. The most prevalent lesions were mucoepidermoid carcinomas (22.4%), osteosarcomas (13.8%), squamous cell carcinomas (12.1%), and Burkitt's lymphomas (12.1%). The most commonly affected sites were the palate (19%), mandible (13.8%), and maxilla (13.8%). Almost half the patients were asymptomatic. CONCLUSION: Pediatric oral and maxillofacial malignant lesions were infrequent and showed wide diversity, with a prevalence of mucoepidermoid carcinomas. Analysis of malignant lesions in children and adolescents helps pediatric dentists and oncologists to obtain a better understanding of such lesions and to reduce the time for diagnosis, with a consequent improvement of prognosis. PMID- 29224822 TI - Head and neck reconstruction with free flaps based on the thoracodorsal system. AB - The advent or micro-vascular free tissue transfer has facilitated the reconstruction of increasingly complex head and neck defects. There are multiple donor sites available, each with its' own advantages and disadvantages. However, the subscapular system, including the thoracodorsal system, provides the widest array of soft tissue and osseous flaps, as well as chimeric options. Its advantages include a long pedicle, independently mobile tissue components, relative sparing from atherosclerosis, and minimal donor site morbidity. The soft tissue flaps available from the thoracodorsal system include the Latissimus Dorsi, and Thoracodorsal Artery Perforator flaps, while the Tip of Scapula provides the osseous component. This review paper outlines the anatomical basis for these flaps, as well as describing their utility in head and neck reconstruction. PMID- 29224823 TI - Results of a phase II randomized controlled clinical trial comparing efficacy of Cabazitaxel versus Docetaxel as second line or above therapy in recurrent head and neck cancer. AB - BACKGROUND: Cabazitaxel has shown activity in squamous cancer cell lines and in taxane resistant cell lines. Hence we planned a phase 2 study to evaluate the efficacy of cabazitaxel against Docetaxel in recurrent head and neck cancer, post first line treatment. METHODS: This was a phase 2, investigator initiated, randomized controlled trial of Docetaxel (75 mg/m2) versus Cabazitaxel (20 mg/m2), in patients with head and neck cancer with ECOG performance status 0-2 who have been exposed to at least one line of chemotherapy, involving a sample size of 92 (46 per group)(CTRI/2015/06/005848). Disease control rate at 6 weeks was assessed and compared using the chi-square test. RESULTS: The disease control rate at 6 weeks was better in the Docetaxel arm over the cabazitaxel arm (52.3% versus 13.6%, p = 0.017). The median progression free survival was 21 days (95% CI 5.28 to 36.72 days) in the cabazitaxel arm versus 61 days (95% CI 21.39 to 100.60 days) in the Docetaxel arm (HR-1.455, 95% CI 0.919-2.304, p = 0.100). The median overall survival was 115 days (95% CI 74.04 to 155.95 days) in the cabazitaxel arm versus 155 days (95% CI 148.6 to 161.40 days) in the Docetaxel arm (HR-1.464, 95% CI 0.849-2.523, p = 0.170). CONCLUSION: Docetaxel had a superior disease control rate at 6 weeks compared to cabazitaxel. PMID- 29224824 TI - Circulating tumour cell PD-L1 test for head and neck cancers. AB - Immune checkpoint inhibitors have gained traction over the last few years in the treatment of metastatic/recurrent head and neck squamous cell carcinoma (HNSCC) patients. Monoclonal antibodies that block the programmed death 1 (PD-1) receptor and its major ligand, PD-L1, have shown durable responses and low toxicity profiles. There are currently no validated predictive biomarkers to select patients likely to respond to anti-PD-1/PD-L1 therapy to avoid unwanted side effects and to reduce healthcare expenditure. A circulating tumour cell (CTC) PD L1 assay could be developed as a companion diagnostic tool to potentially predict the efficacy of immune checkpoint blockade treatments. PMID- 29224825 TI - Head and neck free flap reconstruction: What is the appropriate post-operative level of care? AB - Patients undergoing head and neck reconstruction require complex, multidisciplinary postoperative care which may include wound care, flap monitoring, tracheostomy management, and management of comorbid conditions. Historically, patients undergoing major resection of a head and neck or aerodigestive tract malignancy with regional or free flap reconstruction were routinely admitted to the ICU. Although head and neck cancer patients may have multiple medical comorbidities that may require postoperative critical care, the current trend in many institutions is to transfer stable and less medically complex patients to non-intensive care-level units with specialty trained nursing staff. These units have been shown to decrease the total cost of care without compromising the quality of care, length of stay, or postoperative complications. PMID- 29224826 TI - Evaluation of the diagnostic efficacy and spectrum of autofluorescence of benign, dysplastic and malignant lesions of the oral cavity using VELscope. AB - OBJECTIVES: Conventional oral examination and biopsy are the only reliable methods for the early detection of oral cancer at present. Autofluorescence examination of oral tissues using the VELscope has been suggested as an adjunctive tool for cancer detection and diagnosis. The aim of our study was to evaluate the efficacy of the VELscope in recognizing dysplastic and/or neoplastic changes in oral mucosal lesions that were identified on conventional oral examination. MATERIALS AND METHODS: Two hundred patients with oral mucosal lesions were subjected to conventional oral examination followed by VELscope examination and their autofluorescence characteristics were compared with the histopathological diagnosis. The sensitivity, specificity, positive and negative predictive values of the VELscope examination was calculated. RESULTS: The VELscope examination showed sensitivity and specificity values of 76% (95% CI: 54.87-90.64%) and 66.29% (95% CI: 58.76-73.24%) respectively while the positive and negative predictive values were 24.36% (95% CI: 19.22-30.36%) and 95.08% (95% CI: 90.52-97.51%) respectively. CONCLUSION: The VELscope examination alone cannot provide a definitive diagnosis as to the presence of dysplastic tissue change. In spite of having a reasonable sensitivity, the high number of false-positive results limits its efficiency as an adjunct. However, a high negative predictive value can serve to alleviate patient anxiety regarding suspicious mucosal lesions in a general practice setting. PMID- 29224827 TI - Humidification mitigates acute mucosal toxicity during radiotherapy when factoring volumetric parameters. Trans Tasman Radiation Oncology Group (TROG) RadioHUM 07.03 substudy. AB - PURPOSE/OBJECTIVE(S): To model in a subset of patients from TROG 07.03 managed at a single site the association between domiciliary based humidification use and mucositis symptom burden during radiotherapy (RT) for head and neck cancer (HNC) when factoring in volumetric radiotherapy parameters derived from tumour and normal tissue regions of interest. MATERIALS/METHODS: From June 2008 through June 2011, 210 patients with HNC receiving RT were randomised to either a control arm or humidification using the Fisher & Paykel Healthcare MR880 humidifier. This subset analysis involves patients recruited from Auckland City Hospital treated with a prescribed dose of >=70 Gy. Regression models included control variables for Planning Target Volume 70 GY (PTV70Gy); Equivalent Uniform Dose (EUD) MOIST and TSV (surrogates of total mucosal and total swallowing volumes respectively). RESULTS: The analysis included 39 patients (humidification 20, control 19). There was a significant odds reduction in CTCAE v3.0 functional mucositis score of 0.29 associated with the use of humidification (p<.001). Within the parameters of the model therefore, the risk of a humidification patient being scored as experiencing a one-step increase in functional mucositis was 3.45 times lower (1/0.29) than for control patients. A control patient was 4.17 times more likely to receive an unfavourable nutritional mode score (p<.001). The risk of being admitted to hospital decreased by a factor of 11.11 for humidification patients (p=.013). CONCLUSION: The results support the hypothesis that humidification can help mitigate mucositis symptom burden. Radiotherapy dosimetric parameters assist in the evaluation of toxicity interventions. PMID- 29224828 TI - Cell-free nucleic acids in body fluids as biomarkers for the prediction and early detection of recurrent head and neck cancer: A systematic review of the literature. AB - Liquid biopsy is a minimally invasive detection method for molecular biomarkers in body fluids which may serve as a novel tool in management of head and neck cancer. The purpose of this systematic review is to outline the current status of liquid biopsy in head and neck squamous cell carcinoma (HNSCC) patients by systematically identifying and qualifying all published studies on the diagnostic or prognostic value of cell-free nucleic acids detection for posttreatment disease monitoring and/or disease outcome. A search was performed in PubMed, EMBASE, and Cochrane Library. Thirty articles met the inclusion criteria for further analysis. Study and patient characteristics, molecular analysis method and treatment or prognostic outcomes were extracted. Seventeen studies investigated circulating miRNAs in blood. Of these studies, 16 found statistically significant results for a total of 24 different candidate miRNAs for prognostication or treatment monitoring. The remaining studies investigated circulating tumor DNA by targeting somatic mutations, allelic imbalances, hypermethylation, or HPV-DNA. Of these studies, 2 found a statistically significant association between nucleic acid levels (tumor DNA targeted by allelic imbalances and HPV-DNA) in blood and/or saliva and prognostic outcome. One study found significantly different pre- and posttreatment levels of mitochondrial DNA in serum. Despite large differences among these studies in both design and results, individual results are promising and provide ground for more large-scale studies with standardized serial assessment of patient samples in the future. PMID- 29224829 TI - Plasticity of oral mucosal cell sheets for accelerated and scarless skin wound healing. AB - OBJECTIVES: Wound healing is generally faster and associated with less scarring in the oral mucosa than in the skin. Although rarely studied, oral mucosa equivalents may contribute to rapid, scarless cutaneous wound healing. Therefore, we examined the potential utility of our newly developed oral mucosal cell sheet in skin wound healing. MATERIALS AND METHODS: Oral mucosa and skin samples were obtained from surgical patients and Sprague-Dawley rats. Keratinocytes and fibroblasts were primarily cultured for in vitro cell expansion. Mucosa and skin equivalents were produced with a mixture of cultured fibroblasts and autologous fibrin from plasma and seeding keratinocytes. Mucosal and skin cell sheets were transplanted in full-thickness excisional wounds of rat skin with control wounds. Gross, histological, and molecular characteristics of wound healing according to different postsurgical days were compared in control and cell sheet-covered wounds. RESULTS: Keratinocytes and fibroblasts derived from the oral mucosa were cultured faster than those derived from the skin. The in vitro-engineered oral mucosa and skin equivalents were successfully produced using complete autologous mucosa or skin and plasma fibrin, showing similarity to the histological characteristics of the skin or mucosa. In the in vivo rat model, the oral mucosal and skin cell sheet promoted wound healing with early wound closure and less scarring. The cell sheet-treated wounds showed lower TGF-beta1, alpha-smooth muscle actin, and fibronectin mRNA expression than the control wounds. CONCLUSIONS: The oral mucosal cell sheet demonstrated in vivo tissue plasticity through good adaptation to skin wounds, contributing to accelerated and scarless healing. PMID- 29224830 TI - A network meta-analysis in comparing prophylactic treatments of radiotherapy induced oral mucositis for patients with head and neck cancers receiving radiotherapy. AB - OBJECTIVES: The objective of this network meta-analysis is to optimize the prophylactic treatment for radiotherapy-induced oral mucositis in patients with head and neck cancer (HNSCC) receiving postoperative or definitive radiotherapy with or without chemotherapy. MATERIALS AND METHODS: We searched electronic databases to identify all eligible randomized clinical trials on oral mucositis. The endpoint was grade 0-2 oral mucositis. Odds ratios (OR) and the corresponding 95% confidence intervals (CI) were extracted. Network meta-analysis was performed using the frequentist approach to conduct multiple treatment comparisons. RESULTS: In total, 57 trials with 5261 patients were eligible for this study. Both direct and network meta-analysis revealed that low-level laser additional to standard oral care (SOC) was better than most of the other treatments and achieved the highest effect on grade 0-2 oral mucositis, with a surface under the cumulative ranking curve (SUCRA) of 95.8%; however, SOC with or without placebo had worse effect than most of the other treatments and was ranked worst (SUCRA = 0.4%). Moreover, sensitivity analysis performed after we had combined the SOC and placebo groups (non-medication treatment, NMT) yielded similar results, with SUCRA of 91.3% and 3.5% for low-level laser and NMT, respectively. CONCLUSIONS: Low-level laser additional to SOC may be a more effective prophylactic treatment for reducing severe radiotherapy-induced oral mucositis; SOC alone is insufficient for patients with HNSCC receiving postoperative or definitive radiotherapy with or without chemotherapy. PMID- 29224831 TI - Reconstruction of oral cavity defect using versatile buccinator myomucosal flaps in the treatment of cT2-3, N0 oral cavity squamous cell carcinoma: Feasibility, morbidity, and functional/oncological outcomes. AB - OBJECTIVES: To evaluate the results of oral cavity reconstruction using various types of buccinator myomucosal flap (BMMF) for the treatment of cT2-3 oral cavity squamous cell carcinoma (OCSCC). MATERIALS AND METHODS: Twenty-two consecutive patients who underwent surgical management for OCSCC and reconstruction using various types of BMMF were enrolled. Surgical results, complications, speech/swallowing outcomes, and recurrence were evaluated. RESULTS: The mean flap harvest time was 28.6 min. Complete flap necrosis occurred in one (4.5%) patient in whom an island flap was used. There were no other major complications. All patients demonstrated normal speech and swallowing functions, with articulation correctness >90% and a mean swallowing satisfaction score of 9.6. Occult neck lymph node metastasis was found in three (13.6%) patients; however, no recurrence at level I was observed. CONCLUSIONS: Reconstruction of the oral cavity using various types of BMMF is feasible for treatment of cT2-3 OCSCC, and yields favorable outcomes with minimal morbidity. PMID- 29224832 TI - The Pathogenesis of Pulmonary Sarcoidosis and Implications for Treatment. AB - Thoracic sarcoidosis is the most common form of sarcoidosis, encompassing a heterogeneous group of patients with a wide range of clinical features and associated outcomes. The distinction between isolated thoracic lymphadenopathy and pulmonary involvement matters. Morbidity is often higher, and long-term outcomes are worse for the latter. Although inflammatory infiltrates in pulmonary sarcoidosis may resolve, persistent disease activity is common and can result in lung fibrosis. Given the distinct clinical features and natural history of pulmonary sarcoidosis, its pathogenesis may differ in important ways from other sarcoidosis manifestations. This review highlights recent advances in the pathogenesis of pulmonary sarcoidosis, including the nature of the sarcoidosis antigen, the role of serum amyloid A and other host factors that contribute to alterations in innate immunity, factors that shape adaptive T-cell profiles in the lung, and how these mechanisms influence the maintenance of granulomatous inflammation in sarcoidosis. We discuss questions raised by recent findings, including the role of innate immunity in the pathogenesis, the meaning of immune cell exhaustion, and mechanisms that may contribute to lung fibrosis in sarcoidosis. We conclude with a reflection on when and how immunosuppressive therapies may be helpful for pulmonary sarcoidosis, a consideration of nonpharmacologic management strategies, and a survey of potential novel therapeutic targets for this vexing disease. PMID- 29224833 TI - Hemostasis and Lipoprotein Indices Signify Exacerbated Lung Injury in TB With Diabetes Comorbidity. AB - BACKGROUND: Exacerbated immunopathology is a frequent consequence of TB that is complicated by diabetes mellitus (DM); however, the underlying mechanisms are still poorly defined. METHODS: In the two groups of age- and sex-matched patients with TB and DM (DM-TB) and with TB and without DM, we microscopically evaluated the areas of caseous necrosis and graded the extent of perinecrotic fibrosis in lung biopsies from the sputum smear-negative (SN) patients. We scored acid-fast bacilli in sputum smear-positive (SP) patients and compiled CT scan data from both the SN and SP patients. We compared inflammatory biomarkers and routine hematologic and biochemical parameters. Binary logistic regression analyses were applied to define the indices associated with the extent of lung injury. RESULTS: Enlarged caseous necrotic areas with exacerbated fibrotic encapsulations were found in SN patients with DM-TB, consistent with the higher ratio of thick-walled cavities and more bacilli in the sputum from SP patients with DM-TB. Larger necrotic foci were detected in men compared with women within the SN TB groups. Significantly higher fibrinogen and lower high-density lipoprotein cholesterol (HDL-C) were observed in SN patients with DM-TB. Regression analyses revealed that diabetes, activation of the coagulation pathway (shown by increased platelet distribution width, decreased mean platelet volume, and shortened prothrombin time), and dyslipidemia (shown by decreased low-density lipoprotein cholesterol, HDL-C, and apolipoprotein A) are risk factors for severe lung lesions in both SN and SP patients with TB. CONCLUSIONS: Hemostasis and dyslipidemia are associated with granuloma necrosis and fibroplasia leading to exacerbated lung damage in TB, especially in patients with DM-TB. PMID- 29224835 TI - For a better landing. PMID- 29224836 TI - Single ventricle i-simulation. PMID- 29224834 TI - HDAC1 localizes to the mitochondria of cardiac myocytes and contributes to early cardiac reperfusion injury. AB - RATIONALE: Recent evidence indicates that histone deacetylase enzymes (HDACs) contribute to ischemia reperfusion (I/R) injury, and pan-HDAC inhibitors have been shown to be cardioprotective when administered either before an ischemic insult or during reperfusion. We have shown previously that selective inhibition of class I HDACs provides superior cardioprotection when compared to pan-HDAC inhibition in a pretreatment model, but selective class I HDAC inhibition has not been tested during reperfusion, and specific targets of class I HDACs in I/R injury have not been identified. OBJECTIVE: We hypothesized that selective inhibition of class I HDACs with the drug MS-275 (entinostat) during reperfusion would improve recovery from I/R injury in the first hour of reperfusion. METHODS AND RESULTS: Hearts from male Sprague-Dawley rats were subjected to ex vivo I/R injury+/-MS-275 class I HDAC inhibition during reperfusion alone. MS-275 significantly attenuated I/R injury, as indicated by improved LV function and tissue viability at the end of reperfusion. Unexpectedly, we observed that HDAC1 is present in the mitochondria of cardiac myocytes, but not fibroblasts or endothelial cells. We then designed mitochondria-restricted and mitochondria excluded HDAC inhibitors, and tested both in our ex vivo I/R model. The selective inhibition of mitochondrial HDAC1 attenuated I/R injury to the same extent as MS 275, whereas the mitochondrial-excluded inhibitor did not. Further assays demonstrated that these effects are attributable to a decrease in SDHA activity and subsequent metabolic ROS production in reperfusion. CONCLUSIONS: We demonstrate for the first time that HDAC1 is present within the mitochondria of cardiac myocytes, and mitochondrial HDAC1 contributes significantly to I/R injury within the first hour of reperfusion. PMID- 29224837 TI - Keep it simple: Repair of atrioventricular valve regurgitation in patients with a single ventricle. PMID- 29224838 TI - Aortic coarctation decision making comes of age. PMID- 29224840 TI - Discussion. PMID- 29224839 TI - Intraoperative costs of video-assisted thoracoscopic lobectomy can be dramatically reduced without compromising outcomes. AB - OBJECTIVE: To determine whether surgeon selection of instrumentation and other supplies during video-assisted thoracoscopic lobectomy (VATSL) can safely reduce intraoperative costs. METHODS: In this retrospective, cost-focused review of all video-assisted thoracoscopic surgery anatomic lung resections performed by 2 surgeons at a single institution between 2010 and 2014, we compared VATSL hospital costs and perioperative outcomes between the surgeons, as well as costs of VATSL compared with thoracotomy lobectomy (THORL). RESULTS: A total of 100 VATSLs were performed by surgeon A, and 70 were performed by surgeon B. The preoperative risk factors did not differ significantly between the 2 groups of surgeries. Mean VATSL total hospital costs per case were 24% percent greater for surgeon A compared with surgeon B (P = .0026). Intraoperative supply costs accounted for most of this cost difference and were 85% greater for surgeon A compared with surgeon B (P < .0001). The use of nonstapler supplies, including energy devices, sealants, and disposables, drove intraoperative costs, accounting for 55% of the difference in intraoperative supply costs between the surgeons. Operative time was 25% longer for surgeon A compared with surgeon B (P < .0001), but this accounted for only 11% of the difference in total cost. Surgeon A's overall VATSL costs per case were similar to those of THORLs (n = 100) performed over the same time period, whereas surgeon B's VATSL costs per case were 24% less than those of THORLs. On adjusted analysis, there was no difference in VATSL perioperative outcomes between the 2 surgeons. CONCLUSIONS: The costs of VATSL differ substantially among surgeons and are heavily influenced by the use of disposable equipment/devices. Surgeons can substantially reduce the costs of VATSL to far lower than those of THORL without compromising surgical outcomes through prudent use of costly instruments and technologies. PMID- 29224841 TI - Metal ion-improved complexation countercurrent chromatography for enantioseparation of dihydroflavone enantiomers. AB - Cu(II) ion was selected as an additive to improve the enantioseparation efficiency of three dihydroflavone enantiomers in high-speed counter-current chromatography (HSCCC), using hydroxypropyl-beta-cyclodextrin (HP-beta-CyD) as the chiral selector. The influences of important parameters, including the metal ion, the concentrations of HP-beta-CyD and the Cu(II) ion, and the sample size were investigated. Under optimal conditions, three dihydroflavone enantiomers, including (+/-)-hesperetin, (+/-)-naringenin, and (+/-)-farrerol, were successfully enantioseparated. The chiral recognition mechanism was investigated. The enantioseparation was attributed to the different thermodynamic stabilities of the binary complexes of HP-beta-CyD and (+/-)-hesperetin, and Cu(II) ion could enhance this difference by forming ternary complexes with the binary complexes. This Cu(II) ion-improved complexation HSCCC system exhibited improved performance for chiral separation, and therefore it has great application potential in the preparative enantioseparation of other compounds with similar skeletons. PMID- 29224842 TI - M13 bacteriophage purification using poly(ionic liquids) as alternative separation matrices. AB - M13 is a filamentous, non-lytic bacteriophage that infects Escherichia coli via the F pilus. Currently, phage M13 is widely used in phage display technology and bio-nanotechnology, and is considered a possible antibacterial therapeutic agent, among other applications. Conventional phage purification involves 5-7 operational steps, with high operational costs and significant product loss (approximately 60%). In this work, we propose a scalable purification process for M13 bacteriophage using a novel stationary phase based on a polymeric ionic liquid (PIL) with a positively charged backbone structure. Poly (1-vinyl-3-ethyl imidazolium bis(trifluoromethylsulfonyl) imide) - poly(VEIM-TFSI) predominantly acted as an anion exchanger under binding-elution mode. This revealed to be a rapid and simple method for the recovery of phage M13 with an overall separation yield of over 70% after a single downstream step. To the best of our knowledge, PILs have never been used as separation matrices for biological products and the results obtained, together with the large number of cations and anions available to prepare PILs, illustrate well the large potential of the proposed methodology. PMID- 29224843 TI - Evaluation of the impact of preoperative education in ambulatory laparoscopic cholecystectomy. A prospective, double-blind randomized trial. AB - INTRODUCTION: Outpatient laparoscopic cholecystectomy is a safe procedure and provides a better use of health resources and perceived satisfaction without affecting quality of care. Preoperative education has shown less postoperative stress, pain and nausea in some interventions. The principal objective of this study is to assess the impact of preoperative education on postoperative pain in patients undergoing ambulatory laparoscopic cholecystectomy. Secondary objectives were: to evaluate presence of nausea, morbidity, hospital admissions, readmissions rate, quality of life and satisfaction. METHODS: Prospective, randomized, and double blind study. Between April 2014 and May 2016, 62 patients underwent outpatient laparoscopic cholecystectomy. INCLUSION CRITERIA: ASA I-II, age 18-75, outpatient surgery criteria, abdominal ultrasonography with cholelithiasis. Patient randomization in two groups, group A: intensified preoperative education and group B: control. RESULTS: Sixty-two patients included, 44 women (71%), 18 men (29%), mean age 46,8 years (20-69). Mean BMI 27,5. Outpatient rate 92%. Five cases required admission, two due to nausea. Pain scores obtained using a VAS was at 24-hour, 2,9 in group A and 2,7 in group B. There were no severe complications or readmissions. Results of satisfaction and quality of life scores were similar for both groups. CONCLUSIONS: We did not find differences due to intensive preoperative education. However, we think that a correct information protocol should be integrated into the patient's preoperative preparation. Registered in ISRCTN number ISRCTN83787412. PMID- 29224844 TI - Social management of laboratory rhesus macaques housed in large groups using a network approach: A review. AB - Biomedical facilities across the nation and worldwide aim to develop cost effective methods for the reproductive management of macaque breeding groups, typically by housing macaques in large, multi-male multi-female social groups that provide monkey subjects for research as well as appropriate socialization for their psychological well-being. One of the most difficult problems in managing socially housed macaques is their propensity for deleterious aggression. From a management perspective, deleterious aggression (as opposed to less intense aggression that serves to regulate social relationships) is undoubtedly the most problematic behavior observed in group-housed macaques, which can readily escalate to the degree that it causes social instability, increases serious physical trauma leading to group dissolution, and reduces psychological well being. Thus for both welfare and other management reasons, aggression among rhesus macaques at primate centers and facilities needs to be addressed with a more proactive approach.Management strategies need to be instituted that maximize social housing while also reducing problematic social aggression due to instability using efficacious methods for detection and prevention in the most cost effective manner. Herein we review a new proactive approach using social network analysis to assess and predict deleterious aggression in macaque groups. We discovered three major pathways leading to instability, such as unusually high rates and severity of trauma and social relocations.These pathways are linked either directly or indirectly to network structure in rhesus macaque societies. We define these pathways according to the key intrinsic and extrinsic variables (e.g., demographic, genetic or social factors) that influence network and behavioral measures of stability (see Fig. 1). They are: (1) presence of natal males, (2) matrilineal genetic fragmentation, and (3) the power structure and conflict policing behavior supported by this power structure. We discuss how these three major pathways leading to greater understanding and predictability of deleterious aggression in macaque social groups. PMID- 29224845 TI - Expanding roles for the Tbet+ B cell subset in health and disease. PMID- 29224846 TI - Laparoscopic sentinel node detection with ICG for early ovarian cancer: Description of a technique and literature review. PMID- 29224847 TI - Familial deep endometriosis: A rare monogenic disease? AB - Endometriosis is a frequent cause of pelvic pain and subfertility in women of reproductive age. Presence of extra-uterine endometrial-like tissue is responsible for non-specific symptoms such as chronic pelvic pain, dysmenorrhea, dyspareunia, dyschesia and sometimes infertility. Three different phenotypes according to the location of the lesions are described, namely peritoneal, ovarian and deep infiltrating endometriosis. Deep endometriosis is considered as a distinct homogeneous disease. Heritability of endometriosis has been previously demonstrated. Despite extensive efforts to characterize candidate alleles contributing to genetic basis of endometriosis, these factors relevant to endometriosis pathophysiology remain unclear. No high penetrance pathogenic variant could be identified. We report herein two families with familial aggregation of severe deep infiltrating endometriosis, providing further evidence for monogenic mendelian inheritance of this form of endometriosis. PMID- 29224848 TI - Anti-mumps IgM antibody positive rate with sudden sensorineural hearing loss using second-generation enzyme immunoassay: A retrospective, multi-institutional investigation in Hokkaido, Japan. AB - OBJECTIVE: Although elevated anti-mumps IgM antibody levels were reported in 5.7% 7.2% of Japanese patients with sudden sensorineural hearing loss (SSNHL), there were several reports of false-positive cases, such as the continually IgM positive case and the IgM positive case in normal adults. To improve specificity, the new enzyme immuno assay (EIA) anti-mumps IgM antibody measurement kit was introduced in December 2009. This study re-examined the frequency of anti-mumps IgM antibody test positivity with SSNHL using the new measurement kit and compared the results with those from a previous report that used old kit. METHODS: This is a retrospective multi-institutional study involving patients diagnosed with SSNHL who exhibited the anti-mumps IgM antibody. We compared the positive rate of anti-mumps IgM antibody and the annual average number of mumps cases per sentinel in Hokkaido between the patients in the present study and patients previously evaluated. RESULTS: Overall, 100 patients with SSNHL were enrolled. One case (1.0%) was positive for anti-mumps IgM antibody. Of the 69 patients evaluated in the previous study, 5 cases (7.2%) were positive for anti mumps IgM antibody. The positive rate of the anti-mumps IgM antibody in the present cases was significantly lower than that previously reported (p=0.042). The annual average number of mumps cases per sentinel in Hokkaido of the present and previous surveillance period was 34.47 and 42.77, respectively; no significant difference was seen in these data (p=0.4519). CONCLUSION: The present study revealed that 1.0% of SSNHL was positive for the anti-mumps IgM antibody using the new EIA-IgM measurement kit. After the introduction of the new EIA-IgM measurement kit, anti-mumps IgM antibody positive rate with SSNHL significantly decreased, indicating that the proportion of asymptomatic mumps among etiology of SSNHL may be lower than those previously reported. PMID- 29224849 TI - Aptamers as potential therapeutic agents for ovarian cancer. AB - Current therapy for ovarian cancer typically involves indiscriminate chemotherapies that can have severe off target effects on healthy tissue and are still plagued by aggressive recurrence. Recent shifts towards targeted therapies offer the possibility of circumventing the obstacles experienced by these traditional treatments. While antibodies are the pioneering agents in targeted therapies, clinical experience has demonstrated that their antitumor efficacy is limited due to their high immunogenicity, large molecular size, and costly and laborious production. In contrast, nucleic acid based chemical antibodies, also known as aptamers, are ideal for this application given their small size, lack of immunogenicity and in vitro production. As aptamers have begun to demonstrate their promise through targeting Epithelial Cell Adhesion Molecule (EpCAM), as well as a number of ovarian cancer biomarkers, in in vivo and in vitro models, their clinical applicability is slowly being realised. This review explores some of the current progress of aptamers targeting cancer biomarkers and their potential role as ovarian cancer therapeutics. PMID- 29224850 TI - The minimal ESCRT machinery of Giardia lamblia has altered inter-subunit interactions within the ESCRT-II and ESCRT-III complexes. AB - The ESCRT pathway functions at different subcellular membranes to induce their negative curvature, and it has been largely characterized in model eukaryotes belonging to Opisthokonta. But searches of the genomes of many nonopisthokonts belonging to various supergroups indicate that some of them may harbour fewer ESCRT components. Of the genomes explored thus far, one of the most minimal set of ESCRT components was identified in the human pathogen Giardia lamblia, which belongs to Excavata. Here we report that an ESCRT-mediated pathway most likely operates at the peripheral vesicles, which are located at the cell periphery and the bare zone of this protist. Functional comparison of all the identified putative giardial ESCRT components, with the corresponding well-characterized orthologues from Saccharomyces cerevisiae, indicated that only some of the ESCRT components could functionally substitute for the corresponding yeast proteins. While GlVps25, GlVps2, and all three paralogues of GlVps4, tested positive in functional complementation assays, GlVps22, GlVps20, and GlVps24 did not. Binary interactions of either GlVps22 or GlVps25, with other ESCRT-II components from Giardia or yeast indicate that the giardial Vps36 orthologue is either completely missing or highly diverged. Interactions within the giardial ESCRT-III components also differ from those in yeast; while GlVps46a interacts preferentially with Vps24 compared to Vps2, GlVps46b, like the yeast orthologue, interacts with both. PMID- 29224851 TI - The effects of exercise on depressive- and anxiety-like behaviors as well as lung and hippocampus oxidative stress in ovalbumin-sensitized juvenile rats. AB - Allergic asthma during early life period has been reported to be associated with neurochemical and behavioral disorders, including anxiety and depression. We aimed to determine the effects of exercise on depressive- and anxiety-like behaviors as well as lung and hippocampus oxidative stress in ovalbumin (OVA) sensitized juvenile rats. Animals were divided into 4 groups including control (non-exercised and non-sensitized), Exe (exercise and non-sensitized); OVA (non exercised and OVA-sensitized); and OVA+Exe (exercised and OVA-sensitized). The rats were subjected to chronic OVA sensitization followed by 4 weeks of treadmill exercise training. Compared to the control group, the OVA group had an increase in anxiety- and depressive-like behavior, lung inflammation, and oxidative stress index in the lung and hippocampus. Compared to the OVA group, the OVA+Exe group had a decline in anxiety- and depressive-like behavior, lung inflammation, and oxidative stress index in the lung and hippocampus. No significant difference in terms of the above-mentioned parameters, were found between the control group and the Exe group. Exercise decreased depressive- and anxiety-like behaviors in OVA sensitized juvenile rats; this effect might have been mainly mediated by improvement in antioxidant system. PMID- 29224852 TI - Structured Spontaneity: Building Circuits in the Human Prenatal Brain. AB - Early brain activity is crucial for neurogenesis and the development of brain networks. However, it has been challenging to localize regions in the developing human brain that contribute to spontaneous waves of neuronal activity. Recently, Arichi and colleagues reported that the temporal and heteromodal insular cortices have a central role in propagating these neural instructional signals. PMID- 29224853 TI - Adaptive sliding mode control for finite-time stability of quad-rotor UAVs with parametric uncertainties. AB - Adaptive control methods are developed for stability and tracking control of flight systems in the presence of parametric uncertainties. This paper offers a design technique of adaptive sliding mode control (ASMC) for finite-time stabilization of unmanned aerial vehicle (UAV) systems with parametric uncertainties. Applying the Lyapunov stability concept and finite-time convergence idea, the recommended control method guarantees that the states of the quad-rotor UAV are converged to the origin with a finite-time convergence rate. Furthermore, an adaptive-tuning scheme is advised to guesstimate the unknown parameters of the quad-rotor UAV at any moment. Finally, simulation results are presented to exhibit the helpfulness of the offered technique compared to the previous methods. PMID- 29224855 TI - Finding representative electrocardiogram beat morphologies with CUR. AB - In this paper, we use the CUR matrix factorization as a means of dimension reduction to identify important subsequences in electrocardiogram (ECG) time series. As opposed to other factorizations typically used in dimension reduction that characterize data in terms of abstract representatives (for example, an orthogonal basis), the CUR factorization describes the data in terms of actual instances within the original data set. Therefore, the CUR characterization can be directly related back to the clinical setting. We apply CUR to a synthetic ECG data set as well as to data from the MIT-BIH Arrhythmia, MGH-MF, and Incart databases using the discrete empirical interpolation method (DEIM) and an incremental QR factorization. In doing so, we demonstrate that CUR is able to identify beat morphologies that are representative of the data set, including rare-occurring beat events, providing a robust summarization of the ECG data. We also see that using CUR-selected beats to label the remaining unselected beats via 1-nearest neighbor classification produces results comparable to those presented in other works. While the electrocardiogram is of particular interest here, this work demonstrates the utility of CUR in detecting representative subsequences in quasiperiodic physiological time series. PMID- 29224856 TI - Controlled searching in reversibly de-identified medical imaging archives. AB - Nowadays, digital medical imaging in healthcare has become a fundamental tool for medical diagnosis. This growth has been accompanied by the development of technologies and standards, such as the DICOM standard and PACS. This environment led to the creation of collaborative projects where there is a need to share medical data between different institutions for research and educational purposes. In this context, it is necessary to maintain patient data privacy and provide an easy and secure mechanism for authorized personnel access. This paper presents a solution that fully de-identifies standard medical imaging objects, including metadata and pixel data, providing at the same time a reversible de identifier mechanism that retains search capabilities from the original data. The last feature is important in some scenarios, for instance, in collaborative platforms where data is anonymized when shared with the community but searchable for data custodians or authorized entities. The solution was integrated into an open source PACS archive and validated in a multidisciplinary collaborative scenario. PMID- 29224854 TI - Encephalitis in US Children. AB - Encephalitis is an uncommon but severe disease characterized by neurologic dysfunction with central nervous system inflammation. Children with encephalitis should receive supportive care and empiric therapies for common and treatable causes while prioritizing diagnostic evaluation for common, treatable, and high risk conditions. Even with an extensive diagnostic workup, an infectious cause is identified in less than half of cases, suggesting a role for postinfectious or noninfectious processes. PMID- 29224857 TI - Nutritional depletion of total mixed rations by European starlings: Projected effects on dairy cow performance and potential intervention strategies to mitigate damage. AB - European starlings are an invasive bird species in North America that are known to cause damage to commercial dairies through the consumption of total mixed rations (TMR) destined for dairy cows. We hypothesized that large foraging flocks of starlings alter the physical composition of TMR, and that this change may be significant enough to affect milk production. To better determine if production losses could potentially occur in commercial dairies as a consequence of feed consumption by foraging flocks of starlings, we conducted controlled feeding experiments using a TMR sourced from a commercial dairy that is chronically plagued with seasonal starling damage. European starlings selected the high energy fraction of the TMR and reduced starch and crude fat availability. Using the dairy National Research Council production model equations, the nutritional changes measured in the controlled feeding experiments could potentially reduce the productivity of dairies. Model output suggests that for Holsteins producing 32 kg of milk/d, total required net energy intake (NEI) was 31.5 Mcal/d. Within the reference TMR, NEI supplied was 29.3 Mcal/d, whereas within the starling consumed TMR NEI supplied was 27.7 Mcal/d. Following our nutrition experiments, we assessed the efficacy of pelleted feed as a deterrent strategy for bird damage management in commercial dairies. Six different pelleted feed treatments of differing diameter were offered to starlings. All pellets of 0.95 cm diameter or larger inhibited starling consumption by >=79%. PMID- 29224858 TI - A resynchronization of ovulation program based on ovarian structures present at nonpregnancy diagnosis reduced time to pregnancy in lactating dairy cows. AB - Our objective was to evaluate time to pregnancy after the first service postpartum and pregnancy per artificial insemination (P/AI) in dairy cows managed with 2 resynchronization of ovulation programs. After first service, lactating Holstein cows were blocked by parity (primiparous vs. multiparous) and randomly assigned to the d 32 Resynch (R32; n = 1,010) or short Resynch (SR; n = 1,000) treatments. Nonpregnancy diagnosis (NPD) was conducted 32 +/- 3 d after AI by transrectal ultrasonography. Nonpregnant cows in R32 received the Ovsynch protocol: GnRH, PGF2alpha 7 d later, GnRH 56 h later, and timed AI (TAI) 16 to 18 h later. Cows in SR with a corpus luteum (CL) >=15 mm and a follicle >=10 mm at NPD received PGF2alpha, PGF2alpha 24 h later, GnRH 32 h later, and TAI 16 to 18 h later. Cows in SR without a CL >=15 mm or a follicle >=10 mm at NPD received a modified Ovsynch protocol with 2 PGF2alpha treatments and progesterone (P4) supplementation (GnRH plus CIDR, PGF2alpha and CIDR removal 7 d later, PGF2alpha 24 h later, GnRH 32 h later, and TAI 16 to 18 h later). Blood samples were collected from a subgroup of cows at the GnRH before TAI (R32 = 114; SR = 121) to measure P4 concentration. Binomial outcomes were analyzed with logistic regression and hazard of pregnancy (R32 = 485; SR = 462) with Cox's proportional regression in SAS (SAS Institute, Cary, NC). For P/AI analysis, the TAI service was the experimental unit (R32 = 720; SR = 819). Models included treatment and parity as fixed effects and farm as random effect. The hazard of pregnancy was greater for the SR treatment (hazard ratio = 1.18; 95% confidence interval: 1.01 1.37). Median time to pregnancy was 95 and 79 d for the R32 and SR treatments, respectively. At NPD, 71.3 and 71.2% of cows had a CL for the R32 and SR treatments, respectively. Treatment did not affect overall P/AI 32 +/- 3 d after AI (R32 = 31.0% vs. SR = 33.9%) or for cows with a CL at NPD (R32 = 32.7% vs. SR = 32.8%). For cows with no CL at NPD, P/AI was greater for the SR treatment (36.9%) than for the R32 treatment (28.6%). Pregnancy loss from 32 to 63 d after AI was similar for all services combined (R32 = 8.3% vs. SR = 10.4%) and for cows with no CL at NPD (R32 = 13.2% vs. SR = 7.2%) but tended to be affected by treatment for cows with a CL at NPD (R32 = 6.8% vs. SR = 11.9%). Treatment affected the proportion of cows with P4 <=0.5 ng/mL at the GnRH before TAI for all cows (R32 = 68.4% vs. SR = 81.8%), tended to have an effect among cows with a CL (R32 = 70.0% vs. SR = 81.8%), and had no effect for cows with no CL (R32 = 64.7% vs. SR = 81.8%). We concluded that the SR program reduced time to pregnancy because of a reduction of the interbreeding interval for cows with a CL at NPD and greater P/AI in cows with no CL at NPD. PMID- 29224859 TI - Effects of rumen-degradable protein:rumen-undegradable protein ratio and corn processing on production performance, nitrogen efficiency, and feeding behavior of Holstein dairy cows. AB - This study was conducted to investigate the effects of the ratio of rumen degradable protein (RDP) to rumen-undegradable protein (RUP) and corn processing method on production performance, nitrogen (N) efficiency, and feeding behavior of high-producing Holstein dairy cows. Twelve multiparous Holstein cows (second parity; milk yield = 48 +/- 3 kg/d) were assigned to a replicated 4 * 4 Latin square design with a 2 * 2 factorial arrangement of treatments. Factor 1 was corn processing method [ground corn (GC) or steam flaked corn (SFC) with a flake density of about 390 g/L], and factor 2 was RDP:RUP ratio [low ratio (LR) = 60:40; high ratio (HR) = 65:35] based on crude protein (%). The crude protein concentrations were kept constant across the treatments (16.7% of DM). No significant interactions of main treatment effects occurred for lactation performance data. Cows fed 2 different RDP:RUP ratios exhibited similar dry matter intake (DMI), but those fed SFC showed decreased feed intake compared with those receiving GC (25.1 +/- 0.48 vs. 26.2 +/- 0.47 kg/d, respectively). Cows fed HR diets produced more milk than did those fed LR diets (44.4 +/- 1.05 vs. 43.2 +/- 1.05 kg/d, respectively). Milk fat content decreased but milk protein content increased in cows fed SFC compared with those fed GC. Feed efficiency (i.e., milk yield/DMI) was enhanced with increasing ratio of RDP:RUP (1.68 +/- 0.04 vs. 1.74 +/- 0.04 for LR and HR, respectively). Apparent N efficiency was higher in cows fed HR than in those fed LR (30.4 +/- 0.61 vs. 29.2 +/- 0.62, respectively). Compared with cows fed the GC-based diet, those receiving SFC exhibited lower values of N intake, N-NH3 concentration, and fecal N excretion. Cows receiving SFC-based diets spent more time ruminating (min/kg of DMI) than did those fed GC. Although these results showed no interaction effects of RDP:RUP ratio and corn processing method on performance, higher RDP:RUP ratios and ground corn can be effective feeding strategies for feed to lactating cows receiving high concentrate diets. PMID- 29224860 TI - Estrous detection intensity and accuracy and optimal timing of insemination with automated activity monitors for dairy cows. AB - The objectives of this observational study were to assess the ability of automated activity monitoring (AAM) to detect estrus for first insemination, the accuracy of detection, and the optimum interval from the estrus alert from the AAM system to insemination. Four commercial farms using 1 of 2 commercial AAM systems were studied over 1 yr. Cows were inseminated between 55 and 80 d in milk (DIM) based on AAM only, then by a combination of AAM and timed artificial insemination (AI). Blood progesterone was measured in 1,014 cows at wk 5, 7, and 9 postpartum; purulent vaginal discharge (PVD) was assessed at wk 5; and lameness and BCS at wk 7. Overall, AAM detected 83% of cows in estrus by 80 DIM. Cows that had 3 serum progesterone <1 ng/mL, had PVD, or were both lame and had BCS <=2.5 has lesser odds of being detected in estrus by 80 DIM (62, 68, and 53%, respectively). Blood samples were collected on the day of 445 AI based on AAM and 323 timed AI. The proportion of cows not in estrus (progesterone >1 ng/mL) on the day of AI was similar between AAM (4 +/- 1.8%) and timed AI (3 +/- 1.2%). Managers elected, based on subjective criteria, not to inseminate 17% of cows for which an AAM estrus alert was issued, of which 43% were not in estrus. Activity data were extracted from AAM software for 1,399 AI. Onset of estrus was calculated using the same or similar data processing criteria as the AAM system. Producers recorded the time of AI. The interval from onset of estrus to AI was categorized as 0 to 8, 8 to 16, or 16 to 24 h. We found no effect of AAM system on the probability of pregnancy per AI, but noted an interaction of interval with parity. For multiparous cows, the probability of pregnancy per AI was 31%, which did not differ with the interval to AI. For primiparous cows, the odds of pregnancy were greater if AI occurred 0 to 8 h (49%) than 8 to 16 (36%) or 16 to 24 h (31%) after the estrus alert from the AAM. Automated activity monitoring can detect estrus for first AI in just over the length of 1 estrous cycle for over 80% of cows, but the remainder would likely require intervention for timely insemination. For multiparous cows, performing AI based on AAM once per day would not affect pregnancy per AI, but for primiparous cows AI within 8 h of the onset of estrus may be advantageous. PMID- 29224861 TI - A survey of selected animal-based measures of dairy cattle welfare in the Eastern Alps: Toward context-based thresholds. AB - In the Alps, traditional dairy farms are small-scale operations where vertical transhumance from valley indoor housing systems to highland pasture-based systems is still practiced in summer. Vertical transhumance implies a substantial change of environment, available resources, and management practices from one season to another. In such systems, animal-based welfare measures need to be monitored throughout the year to capture the variation of welfare outcomes, based on which targeted welfare management plans can be implemented. Because the Welfare Quality assessment approach has been tailored to indoor housing and intensive farming systems, the European Food Safety Authority recently developed a welfare assessment protocol for small-scale dairy cattle farms adapted after the Welfare Quality framework. The aim of this study was to assess nonbehavioral animal-based measures as defined by this protocol at different time points for transhumant systems in the Alps. In total, 18 animal-based measures were assessed before, during, and after the mountain pasture period in a sample of 67 small-scale dairy cattle farms practicing vertical transhumance in neighboring provinces of Austria, Italy, and Slovenia. Significant differences between assessments were identified for dirtiness of legs and teats, hairless patches, lesions and swellings, claw condition, ocular discharge, and diarrhea whereas BCS, lameness/severe lameness, vulvar discharge, nasal discharge, and hampered respiration were unchanged between seasons. In addition, a benchmarking exercise was carried out to identify relative boundaries (worst quartile thresholds) for each animal-based measure and to contribute to the discussion about achievable welfare outcomes for the 2 husbandry conditions that characterize a transhumant system. Worst quartile thresholds indicated a high prevalence of dirtiness (>80%) when cows were kept indoors, high prevalence of hairless patches (65%) before pasture turnout, and high prevalence of very lean cows (>13%) throughout the assessments. On the other hand, the best quartile thresholds for most clinical conditions suggested that high welfare standards (zero prevalence) are widely achievable in mountain farms practicing vertical transhumance during all assessments. The thresholds identified through benchmarking should serve as the basis for an effective context-based welfare management strategy promoting continuous welfare improvement on-farm. PMID- 29224862 TI - In vitro investigation of anticancer, antihypertensive, antidiabetic, and antioxidant activities of camel milk fermented with camel milk probiotic: A comparative study with fermented bovine milk. AB - This study aimed to investigate in vitro anticancer activity by antiproliferative activity, antihypertensive activity by angiotensin-converting enzyme inhibition, antidiabetic activity by alpha-amylase and alpha-glucosidase inhibitions, and antioxidant activities of camel milk fermented with camel milk probiotic compared with fermented bovine milk. The camel milk probiotic strain Lactococcus lactis KX881782 (Lc.K782) and control Lactobacillus acidophilus DSM9126 (La.DSM) were used to prepare fermented camel and bovine milks separately. The proteolytic activities of water-soluble extract (WSE) in all fermented camel milk were higher than those in fermented bovine milk. The alpha-glucosidase inhibitions in both milk types fermented by Lc.K782 ranged from 30 to 40%. Camel milk fermented by Lc.K782 had the highest antioxidant activity by 2,2'-azino-bis(3-ethylbenzo thiazoline-6-sulphonic acid). The highest angiotensin-converting enzyme inhibition of WSE in camel milk fermented by Lc.K782 was >80%. The proliferations of Caco-2, MCF-7, and HELA cells were more inhibited when treated with WSE of fermented camel milk extracts. PMID- 29224863 TI - Quantifying fecal shedding of Mycobacterium avium ssp. paratuberculosis from calves after experimental infection and exposure. AB - Johne's disease, a chronic enteritis caused by Mycobacterium avium ssp. paratuberculosis (MAP), causes large economic losses to the dairy industry worldwide. Fecal shedding of MAP contaminates the environment, feed, and water and contributes to new infections on farm, yet there is limited knowledge regarding mechanisms of shedding, extent of intermittent shedding, and numbers of MAP bacteria shed. The objectives were to (1) compare (in an experimental setting) the frequency at which intermittent shedding occurred and the quantity of MAP shed among pen mates that were inoculated or contact-exposed (CE); and (2) determine whether an association existed between inoculation dose and quantity of MAP shed. In the first experiment, 32 newborn Holstein-Friesian bull calves were allocated to pens in groups of 4, whereby 2 calves were inoculated with a moderate dose (MD; 5 * 108 cfu) of MAP and 2 calves acted as CE. Calves were group-housed for 3 mo, fecal samples were collected and cultured, and culture positive samples were quantified. In the second experiment, 6 calves were inoculated with either a low (LD) or high (HD) dose of MAP (1 * 108 or 1 * 1010 cfu, respectively), and fecal samples were collected for 3 mo and cultured for detection of MAP. The amount of MAP was quantified using direct extraction (DE) of DNA from fecal samples and F57-specific quantitative PCR. In experiment 1, the average amount of MAP in all culture-positive samples did not differ between MD and CE calves. In experiment 2, when comparing inoculation doses, LD calves had the lowest proportion of MAP-positive culture samples and HD had the highest, but no difference was detected in the average quantity of MAP shed. This study provided new information in regards to Johne's disease research and control regarding shedding from various inoculation doses and from CE animals; these data should inform future trials and control programs. PMID- 29224864 TI - Symposium review: Breeding a better cow-Will she be adaptable? AB - Adaption is a process that makes an individual or population more suited to their environment. Long-term adaptation is predicated on ample usable genetic variation. Evolutionary forces influencing the extent and dynamics of genetic variation in a population include random drift, mutation, recombination, selection, and migration; the relative importance of each differs by population (i.e., drift is likely to be more influential in smaller populations) and number of generations exposed to selection (i.e., mutation is expected to contribute substantially to genetic variability following many generations of selection). The infinitesimal model, which underpins most genetic and genomic evaluations, assumes that each quantitative trait is controlled by an infinitely large number of unlinked and non-epistatic loci, each with an infinitely small effect. Under the infinitesimal model, selection is not expected to noticeably alter the allele frequencies, despite a potential substantial change in the population mean; the exception is in the first few generations of selection when genetic variance is expected to decline, after which it stabilizes. Despite the common use of the heritability statistic in quantitative genetics as a descriptor of adaption or response to selection, it is arguably the coefficient of genetic variation that is more informative to gauge adaptation potential and should, therefore, always be cited in such studies; for example, the heritability of fertility traits in dairy cows is generally low, yet the coefficient of genetic variation for most traits is comparable to many other performance traits, thus supporting the observed rapid genetic gain in fertility performance in dairy populations. Empirical evidence from long-term selection studies, across a range of animal and plant species, fails to support the premise that selection will deplete genetic variability. Even after 100 yr (synonymous with 100 generations) of selection in corn for high protein or oil content, there appears to be no obvious plateauing in the response to selection. Although populations in several selection experiments did reach a selection limit after multiple generations of directional selection, this does not equate to an exhaustion of genetic variance; such a declaration is supported by the observed rapid responses to reverse selection once implemented in long-term selection studies. New technologies such as genome wide enabled selection and genome editing, as well as having the potential to accelerate genetic gain, could also increase the genetic variation, or at least reduce the erosion of genetic variance over time. In conclusion, there is no evidence, either theoretical or empirical, to indicate that dairy cow breeding programs will be unable to adapt to evolving challenges and opportunities, at least not because of an absence of ample genetic variability. PMID- 29224865 TI - Effects of supplementation with ruminally protected choline on performance of multiparous Holstein cows did not depend upon prepartum caloric intake. AB - Objectives were to evaluate the effect of prepartum energy intake on performance of dairy cows supplemented with or without ruminally protected choline (RPC; 0 or 17.3 g/d of choline chloride; 0 or 60 g/d of ReaShure, Balchem Corp., New Hampton, NY). At 47 +/- 6 d before the expected calving date, 93 multiparous Holstein cows were assigned randomly to 1 of 4 dietary treatments in a 2 * 2 factorial arrangement. Cows were fed energy to excess [EXE; 1.63 Mcal of net energy for lactation/kg of dry matter (DM)] or to maintenance (MNE; 1.40 Mcal of net energy for lactation/kg of DM) in ad libitum amounts throughout the nonlactating period. The RPC was top-dressed for 17 +/- 4.6 d prepartum through 21 d postpartum (PP). After calving, cows were fed the same methionine-balanced diet, apart from RPC supplementation, through 15 wk PP. Liver was biopsied at 14, 7, 14, and 21 d relative to parturition. Cows fed EXE or MNE diets, respectively, consumed 40 or 10% more Mcal/d than required at 15 d before parturition. Cows fed the MNE compared with the EXE diet prepartum consumed 1.2 kg/d more DM postpartum but did not produce more milk (41.6 vs. 43.1 kg/d). Thus, PP cows fed the EXE diet prepartum were in greater mean negative energy balance, tended to have greater mean concentrations of circulating insulin, fatty acids, and beta-hydroxybutyrate, and had greater triacylglycerol in liver tissue (8.3 vs. 10.7% of DM) compared with cows fed the MNE diet prepartum. Cows fed RPC in transition tended to produce more milk (43.5 vs. 41.3 kg/d) and energy-corrected milk (44.2 vs. 42.0 kg/d) without increasing DM intake (23.8 vs. 23.2 kg/d) during the first 15 wk PP, and tended to produce more milk over the first 40 wk PP (37.1 vs. 35.0 kg/d). Energy balance of cows fed RPC was more negative at wk 2, 3, and 6 PP, but mean circulating concentrations of fatty acids and beta hydroxybutyrate did not differ from those of cows not fed RPC. Despite differences in energy balance at 2 and 3 wk PP, mean concentration of hepatic triacylglycerol did not differ between RPC treatments. Feeding RPC reduced the daily prevalence of subclinical hypocalcemia from 25.5 to 10.5%, as defined by concentrations of total Ca of <8.0 mg/dL in serum in the first 7 d PP. Pregnancy at first artificial insemination tended to be greater for cows fed RPC (41.3 vs. 23.6%), but the proportion of pregnant cows did not differ by 40 wk PP. Heifers born from singleton calvings from cows fed RPC tended to experience greater daily gain between birth and 50 wk of age than heifers from cows not supplemented with RPC. Feeding RPC for approximately 38 d during the transition period tended to increase yield of milk for 40 wk regardless of amount of energy consumed during the pregnant, nonlactating period. PMID- 29224866 TI - The effects of L-type amino acid transporter 1 on milk protein synthesis in mammary glands of dairy cows. AB - The mammary gland requires the uptake of AA for milk protein synthesis during lactation. The L-type amino acid transporter 1 (LAT1, encoded by SLC7A5), found in many different types of mammalian cells, is indispensable as a transporter of essential AA to maintain cell growth and protein synthesis. However, the function of LAT1 in regulating milk protein synthesis in the mammary gland of the dairy cow remains largely unknown. For the current study, we characterized the relationship between LAT1 expression and milk protein synthesis in lactating dairy cows and investigated whether the mammalian target of rapamycin complex 1 (mTORC1) signaling controls the expression of LAT1 in their mammary glands. We found that LAT1 and the heavy chain of its chaperone, 4F2, were expressed in mammary tissues of lactating cows, with the expression levels of LAT1 and the 4F2 heavy chain being significantly greater in lactating mammary tissues with high milk protein content (milk yield, 33.8 +/- 2.1 kg/d; milk protein concentration >3%, wt/vol,; n = 3) than in tissues from cows with low-milk protein content (milk yield, 33.7 +/- 0.5 kg/d; milk protein concentration <3%, wt/vol; n = 3). Immunofluorescence staining of sectioned mammary tissues from cows with high and low milk protein content showed that LAT1 was located on the whole plasma membrane of alveolar epithelial cells, suggesting that LAT1 provides essential AA to the mammary gland. In cultured mammary epithelial cells from the dairy cows with high-milk protein content, knockdown of LAT1 expression decreased cell viability and beta-casein expression; in contrast, overexpression of LAT1 had the opposite effect. Inhibition of mTORC1 by rapamycin attenuated the phosphorylation of molecules related to mTORC1 signaling and caused a marked decrease in LAT1 expression in the cultured cells; expression of beta-casein also decreased significantly. These results suggest that LAT1 is involved in milk protein synthesis in the mammary glands of lactating dairy cows and that the mTORC1 signaling pathway might be a control point for regulation of LAT1 expression, which could ultimately be used to alter milk protein synthesis. PMID- 29224867 TI - Dairy system, parity, and lactation stage affect enteric methane production, yield, and intensity per kilogram of milk and cheese predicted from gas chromatography fatty acids. AB - Ruminants (and milk production) contribute to global climate change through enteric methane emissions (EME), and any attempt to reduce them is complicated by the fact that they are difficult and expensive to measure directly. In the case of dairy cows, a promising indirect method of estimating EME is to use the milk fatty acid profile as a proxy, as a relationship exists between microbial activity in the rumen and the molecules available for milk synthesis in the mammary gland. In the present study, we analyzed the detailed fatty acid profiles (through gas chromatography) of a large number of milk samples from 1,158 Brown Swiss cows reared on 85 farms with the aim of testing in the field 2 equations for estimating EME taken from a published meta-analysis. The average estimated methane yield (CH4 emission per kg of dry matter intake, 21.34 +/- 1.60 g/kg) and methane intensity (per kg of corrected milk, 14.17 +/- 1.78 g/kg), and the derived methane production (CH4 emissions per day per cow, 357 +/- 109 g/d) were similar to those previously published. Using data from model cheese makings from individual cows, we also calculated estimated methane intensity per kilogram of fresh cheese (99.7 +/- 16.4 g/kg) and cheese solids (207.5 +/- 30.9 g/kg). Dairy system affected all EME estimates. Traditional dairy farms, and modern farms including corn silage in the TMR exhibited greater estimated methane intensities. We found very wide variability in estimated EME traits among different farms within dairy system (0.33 to 0.61 of total variance), suggesting the need to modify the farms' feeding regimens and management practices to mitigate emissions. Among the individual factors, parity order affected all estimated EME traits excepted methane yield, with an increase from first lactation to the following ones. Lactation stage exhibited more favorable estimated EME traits during early lactation, concomitant with the availability of nutrients from body tissue mobilization for mammary synthesis of milk. Our results showed a coherence between the EME traits estimated from the analysis of milk fatty acids and the expectations according to current knowledge. Further research is needed to validate the results obtained in this study in other breeds and populations, to assess the magnitude of the genetic variation and the potential of these phenotypes to be exploited in breeding programs with the aim to mitigate emissions. PMID- 29224868 TI - Technical note: Validation of the BHBCheck blood beta-hydroxybutyrate meter as a diagnostic tool for hyperketonemia in dairy cows. AB - Accurate cow-side blood beta-hydroxybutyrate (BHB) detection meters are valuable tools for rapid diagnosis of hyperketonemia. The main objective of this study was to compare the blood BHB measured in whole blood by the BHBCheck meter (PortaCheck, Moorestown, NJ) to a previously validated meter, Precision Xtra meter (Abbott Laboratories, Abbott Park, IL) and a colorimetric laboratory assay. Samples (n = 426) were collected from postpartum primiparous and multiparous Holstein cows (n = 79 cows) enrolled in 1 of 2 experiments (Exp) with different sampling schedules (Exp 1: n = 39 cows, 58 samples; Exp 2: n = 40 cows, 368 samples). In both Exp, whole-blood samples were collected from the coccygeal vessels after morning milking, before morning feeding. Blood samples were used immediately for BHB quantification via the BHBCheck meter and the Precision Xtra meter. Blood was also collected into evacuated tubes containing no additive (Exp 1) or potassium oxalate/sodium fluoride (Exp 2), which were centrifuged for serum or plasma separation and stored at -20 degrees C for subsequent analysis. Laboratory quantification of BHB concentration was done by the BHB LiquiColor Assay (EKF Diagnostics-Stanbio, Boerne, TX; certified for serum and plasma). Data were analyzed by UNIVARIATE, CORR, FREQ, REG, and LOGISTIC procedures of SAS 9.4 (SAS Institute Inc., Cary, NC). Within this sample set, average parity was 3.3 lactations and DIM was 14 d. The proportion of samples classified as hyperketonemia (BHB >=1.2 mmol/L) was 25, 28, and 31% as determined by the colorimetric assay, BHBCheck meter, and Precision Xtra meter, respectively. The correlation for BHBCheck meter BHB concentration compared with the colorimetric assay concentrations was r = 0.96, with a sensitivity of 91% and specificity of 93%. Correlation, sensitivity, and specificity of the Precision Xtra meter concentrations were 0.97, 98%, and 92%, respectively. Bland-Altman plots demonstrated minimal bias for both meters. Area under the receiver operator characteristic curve suggests adequate diagnostic accuracy of both meters. Overall, accuracy, sensitivity, and specificity of the BHBCheck meter was similar to the Precision Xtra meter and laboratory assay, indicating the BHBCheck meter is appropriate for use as a cow-side diagnostic test for hyperketonemia in dairy cows. PMID- 29224869 TI - Effects of straw processing and pen overstocking on the growth performance and sorting characteristics of diets offered to replacement Holstein dairy heifers. AB - Our objectives were to evaluate the effects of pen-stocking density and straw processing on the growth performance, feed-bunk sorting behaviors, and hygiene of Holstein dairy heifers. Two corn silage-alfalfa haylage diets diluted with wheat straw were offered; diet composition was identical, except that one diet contained short (well-processed) straw (SS; 46.0% neutral detergent fiber, 12.9% crude protein, 60.7% total digestible nutrients, TDN), and the other long (poorly processed) straw (LS; 46.5% neutral detergent fiber, 12.6% crude protein, 60.0% TDN; % of dry matter basis). A 2 * 3 factorial arrangement of straw-processing (SS or LS) and pen-stocking-density [100, 125, or 150% of capacity] treatments was evaluated with 240 Holstein dairy heifers (410 +/- 56.3 kg) that were blocked by weight, and then assigned to 24 pens with 4 pens/interactive treatment. For 91 d, diets were dispersed at 1100 h daily, and bunks were sampled subsequently at 1300, 1600, 1900, 2200, 0100, and 0600 h during 3 evaluation periods throughout the trial. Diets were offered for ad libitum intake, but with minimal orts (<3%); as such, particle-size concentration factors were calculated as bunk concentration/initial concentration. For the LS diet, particle-size concentration factors for large (>19 mm) particles increased linearly from 1.26 to 2.82 across sampling times, differing from the SS diet at 2200, 0100, 0600, and 0900 h (orts). Similar factors calculated for the SS diet also increased linearly across sampling times, but these responses were less severe (1.27 to 1.97). Overall, particle-size concentration factors for physically effective fiber exhibited responses similar to those observed for large particles, except they were limited to narrower ranges for both the SS (1.04 to 1.14) and LS (1.03 to 1.26) diets. Despite these differences, daily dry matter intake was not affected by treatment (mean = 9.65 kg of dry matter/d), nor was daily intake of TDN (mean = 5.92 kg of TDN/d). For SS, heifers housed within overstocked pens exhibited reduced average daily gain (ADG) compared with the 100% stocking rate (0.93 vs. 0.99 kg/d). With LS processing, ADG differed between the 125 and 150% stocking rates (0.96 vs. 0.88 kg/d), as did the within-pen coefficient of variation for ADG (10.7 vs. 18.6%). Hygiene scores (1 = clean, 4 = caked-on manure) for legs (range = 2.1 to 2.3) and flanks (range = 1.6 to 1.9) indicated heifers stayed acceptably clean, but the within-pen coefficient of variation for legs (14.4 vs. 9.0%) and flanks (34.2 vs. 23.8%) was greater for overstocked pens compared with the 100% stocking density, thereby suggesting hygiene scores were more variable without a free stall for each heifer. PMID- 29224870 TI - Effect of dose and timing of prostaglandin F2alpha treatments during a Resynch protocol on luteal regression and fertility to timed artificial insemination in lactating Holstein cows. AB - Our objective was to evaluate the effect of a second PGF2alpha treatment (25 mg of dinoprost) or a double dose of PGF2alpha (50 mg of dinoprost) during a Resynch protocol on luteal regression and pregnancies per artificial insemination (P/AI) in lactating dairy cows. Lactating Holstein cows (n = 1,100) were randomly assigned at a nonpregnancy diagnosis to receive (1) Ovsynch (control: 100 ug of GnRH; 7 d, 25 mg of PGF2alpha; 56 h, 100 ug of GnRH), (2) Ovsynch with a second PGF2alpha treatment (GPPG: 100 ug of GnRH; 7 d, 25 mg of PGF2alpha; 24 h, 25 mg of PGF2alpha; 32 h, 100 ug of GnRH), or (3) Ovsynch with a double dose of PGF2alpha (GDDP: 100 ug of GnRH; 7 d, 50 mg of PGF2alpha; 56 h, 100 ug of GnRH). All cows received timed artificial insemination (TAI) approximately 16 h after the second GnRH treatment (G2). Pregnancy diagnosis was performed by transrectal palpation 39 +/- 3 d after TAI, and pregnancy status was reconfirmed 66 d after TAI. Blood samples collected from a subset of cows in each treatment at the first PGF2alpha treatment (n = 394) and at G2 (n = 367) were assayed for progesterone (P4). Data were analyzed by logistic regression using the GLIMMIX procedure of SAS (SAS Institute Inc., Cary, NC). At 39 d after TAI, GPPG cows tended to have more P/AI than control cows [35% (137/387) vs. 31% (107/349)], whereas P/AI for GDDP cows [32% (118/364)] did not differ from that for control cows. Pregnancy loss from 38 to 66 d did not differ among treatments and was 8% (30/362). The percentage of cows with complete luteal regression (P4 <0.4 ng/mL at G2) tended to differ among treatments and was greater for GPPG cows than for GDDP and control cows (94% vs. 88% vs. 88%, respectively). Overall, cows with P4 <1 ng/mL at the first PGF2alpha treatment had fewer P/AI than cows with P4 >=1 ng/mL (27% vs. 38%), whereas cows with P4 >=0.4 ng/mL at G2 had fewer P/AI than cows with P4 <0.4 ng/mL (15% vs. 38%). We conclude that adding a second PGF2alpha treatment 24 h after the first within a Resynch protocol tended to increase the proportion of cows undergoing complete luteal regression and P/AI, whereas treatment with a double dose of PGF2alpha at a single time did not. PMID- 29224871 TI - Short communication: Stall occupancy behavior of Nili Ravi buffaloes (Bubalus bubalis) when first introduced to freestall housing. AB - The aim of the present study was to assess stall occupancy of Nili Ravi buffaloes when first introduced to freestall housing. Thirty Nili Ravi buffaloes of different parity, weight, and pregnancy status were enrolled from the dairy farm of the University of Veterinary and Animal Sciences, Lahore, Pakistan. All of the enrolled animals had no previous experience with freestalls. The selected buffaloes were introduced to the freestall shed. During an adaptation period of 7 d, all buffaloes had 24 h of free access to lie down in 1 of 3 areas: (1) freestalls, (2) alleys, and (3) an outside open area. After the adaptation period, all buffaloes were housed indoors during nighttime (restricted period) to ensure that only freestalls or alleys were available as lying areas. An observer monitored animals at 0100 h and recorded the number of animals lying in freestalls, in alleys, and in the outside open area. The results indicated that during the adaptation period, herd-level freestall occupancy in buffaloes remained below 10%. During the restricted period, herd-level stall occupancy was 0, 13, 50, and 90% on d 1, 2, 5, and 17, respectively. Buffaloes with parity >=3 took fewer days (6.6 +/- 1.0; mean +/- standard error of the mean) to occupy stalls than buffaloes with parity 2, 1, and heifers (13.2 +/- 1.5, 16.7 +/- 2.1, and 13.5 +/- 2.1 d, respectively). Body weight and pregnancy status of buffaloes did not have any effect on stall occupancy. Buffaloes showed adjacent stall occupancy, filling opposite stalls first. The results indicated that older buffaloes occupied freestalls earlier than younger buffaloes. Our findings would help better manage buffaloes in freestall housing. PMID- 29224872 TI - Greenhouse gas emissions from liquid dairy manure: Prediction and mitigation. AB - The handling and use of manure on livestock farms contributes to emissions of the greenhouse gases (GHG) CH4 and N2O, especially with liquid manure management. Dairy farms are diverse with respect to manure management, with practices ranging from daily spreading to long-term storage for more efficient recycling of manure nutrients for crop production. Opportunities for GHG mitigation will depend on the baseline situation with respect to handling and storage, and therefore prediction and mitigation at the farm level requires a dynamic description of housing systems and storage conditions, and use of treatment technologies. Also, effects of treatment and handling on the properties of field-applied manure must be taken into account. Storage conditions and manure composition importantly define carbon and nitrogen transformations, and the resulting emissions of CH4 and N2O, as well as CO2 and NH3, which are all important for the GHG balance. Currently, inventories for CH4 and N2O emissions from manure are based on emission factors for a limited number of production systems, together with average annual temperature, but the inherent uncertainty of this approach is a barrier toward prediction and mitigation. Although more representative emission factors may be determined at country level, this is both challenging and costly, and effects of management changes for GHG mitigation are not easily quantified. An empirical model of CH4 emissions during storage is discussed that is based on daily time steps, and a parameterization based on measurements. A distinction between emissions from manure in barns and outside storage facilities is important for assessing effects of treatment technologies, such as anaerobic digestion, where only posttreatment emissions are affected. Upon field application, manure and soil together define the equilibrium distribution of labile carbon and nitrogen between bulk soil and manure hotspots. This introduces heterogeneity with respect to potential for N2O emissions, which is not represented in existing prediction models. Manure treatment and management options for GHG mitigation are discussed with emphasis on effects on manure volatile solids and N availability. Anaerobic digestion and acidification represent treatment technologies that are relevant for GHG mitigation on dairy farms. PMID- 29224873 TI - A clinical and histopathological comparison of the effectiveness of salicylic acid to a compound of inorganic acids for the treatment of digital dermatitis in cattle. AB - Bovine digital dermatitis (DD) is a painful infectious disease, causing lameness, reduced animal welfare, and production losses in dairy herds. The main factors contributing to DD are an infection with Treponema spp. and poor hygiene. Topical treatment has primarily consisted of antibiotics; however, the demand for effective nonantibiotic alternatives is increasing. The objective was to evaluate the performance of 3 nonantibiotic topical treatments (salicylic acid and a compound of inorganic acids in a 20% solution and in a dry form) on DD in a commercial dairy herd. Within the 30-d test period, 42 DD lesions on 33 Holstein cows were assigned to receive 1 of the 3 treatments. Lesions were biopsied before and after treatment and were clinically evaluated 5 times. Improved lesions were clinically defined as either healed (regeneration of the skin) or healing (dry lesions covered by a scab). Unhealed lesions were defined as either active [with a raw, moist, strawberry-like (granulating) surface] or mature (with a raised papillomatous appearance). The effectiveness of treatment was evaluated histopathologically using the following scores: 0 (no spirochetes present), 1 (small number of spirochetes present in the epidermis), 2 (moderate number of spirochetes present and reaching an intermediary level in the epidermis), and 3 (large number of spirochetes present and reaching the deepest part of the epidermis or the superficial dermis). The improvement rate was 10/14 (71%) for salicylic acid, 11/15 (73%) for the inorganic acid solution, and 8/13 (62%) for the inorganic acid powder. The analysis showed no difference among treatments. The association between clinical score and histopathological score was determined by an odds ratio. The odds ratio of a healed lesion having spirochetes in the epidermis was 0.58 and that of an active DD lesion having spirochetes in the epidermis was 26.5. PMID- 29224874 TI - Prepartum application of internal teat sealant or intramammary amoxicillin on dairy heifers: Effect on udder health, survival, and performance. AB - Intramammary infusion of antimicrobials (IA) and application of an internal teat sealant (ITS) at the end of the lactation is a common strategy to prevent and treat intramammary infections during the dry period. In heifers, precalving IA has been reported to improve udder health and milk quality; however, the effect of ITS in heifers housed in freestall barns is still unknown. The objective of this study was to investigate the effect of prepartum application of ITS or IA on udder health of dairy heifers. A total of 886 heifers were randomly allocated into 1 of 4 treatment groups when they were 245 +/- 3 d pregnant. Control heifers (CON) did not receive any treatment. Heifers in the ITS group received the application of ITS containing 2.6 g of bismuth subnitrate. Animals in the IA group received intramammary administration of 62.5 mg of amoxicillin. Heifers in IA+ITS group received intramammary administration of amoxicillin followed by ITS application. The follow-up period was 270 d in milk (DIM). Clinical mastitis was diagnosed and treated by trained farm personnel throughout the study period. Composite milk somatic cell counts (SCC) were determined monthly for the first 9 mo of lactation by Dairy Herd Improvement Association. Subclinical mastitis was defined as a cow having a SCC >200,000 cells/mL for at least 1 test day and not diagnosed with clinical mastitis during the study period. At 7 +/- 3 DIM, composite milk samples were collected for bacteriological analysis for a subset of the study animals. The presence of pathogens in milk at 7 +/- 3 DIM was more frequently detected in the CON heifers compared with animals enrolled in the treatment groups. Heifers in IA+ITS group had a decreased incidence of clinical mastitis compared with CON heifers (12.9 vs. 21.4%). Additionally, the incidence of subclinical mastitis was decreased for IA+ITS heifers compared with CON counterparts (20.1 vs. 43.8%). During the first 9 mo of lactation, IA and IA+ITS heifers had lower SCC linear scores compared with ITS and CON counterparts. Although IA+ITS treatment successfully improved udder health, it did not result in better milk yield, fertility, and survivability. In conclusion, ITS alone was not effective in improving udder health; however, the combination of ITS and IA decreased the incidence of clinical and subclinical mastitis during the first 9 mo of lactation. Additionally, IA+ITS had a long-term effect on the SCC linear score throughout the study period. PMID- 29224875 TI - Dairy cow preference for different types of outdoor access. AB - Dairy cows display a partial preference for being outside, but little is known about what aspects of the outdoor environment are important to cows. The primary aim of this study was to test the preference of lactating dairy cattle for pasture versus an outdoor sand pack during the night. A secondary aim was to determine whether feeding and perching behavior changed when cows were provided outdoor access. A third objective was to investigate how the lying behavior of cows changed when given access to different outdoor areas. Ninety-six lactating pregnant cows were assigned to 8 groups of 12 animals each. After a baseline phase of 2 d in which cows were kept inside the freestall barn, cows were habituated to the outdoor areas by providing them access to each of the 2 options for 24 h. Cows were then given access, in random order by group, to either the pasture (pasture phase) or the sand pack (sand phase). As we tested the 2 outdoor options using space allowances consistent with what would be practical on commercial dairy farms, the space provided on pasture was larger (21,000 m2) than that provided on the sand pack (144 m2). Cows were tested at night (for 2 nights in each condition), from 2000 h until morning milking at approximately 0800 h, as preference to be outdoors is strongest at this time. During the next 3 nights cows were given access to both outside options simultaneously (choice phase). Feeding and perching behaviors were recorded when cows were indoors during the day and night periods. Lying behavior was automatically recorded by HOBO data loggers (Onset, Bourne, MA). Cows spent more time outside in the pasture phase (90.0 +/- 5.9%) compared with the sand phase (44.4 +/- 6.3%). When provided simultaneous access to both options, cows spent more time on pasture than on the sand pack (90.5 +/- 2.6% vs. 0.8 +/- 0.5%, respectively). Time spent feeding indoors during the day did not change regardless of what type of outdoor access was provided, but there was a decline in perching during the day when cows were provided access to either outdoor option at night. Lying time in the pasture phase was lower than in the baseline or sand phase. During the nighttime, lying time outside was not different between the sand (55.4 +/- 7.9%) and pasture (52.0 +/- 7.4%) phases. In summary, cows spent a considerable amount of time outside during the night when given the opportunity and showed a preference for a large pasture versus a small sand pack as an outdoor area. PMID- 29224876 TI - Effect of different forage types on the volatile and sensory properties of bovine milk. AB - The effect of 3 diets (grass, grass/clover, and total mixed ration) on the volatile and sensory properties of bovine milk was assessed over an entire lactation season. Little evidence was found of direct transfer of terpenes into raw milk from the different diets, and it is likely that the monocultures of ryegrass used with and without white clover were factors as these contained very few terpenes. Evidence of direct transfer of nonterpene volatiles from forage to the subsequent raw milks was probable; however, differences in the protein carbohydrate availability and digestion in the rumen appeared to have a greater contribution to volatile profiles. Pasteurization significantly altered the volatile profiles of all milks. A direct link between the milk fatty acid content, forage, and volatile products of lipid oxidation was also evident and differences in fatty acid content of milk due to forage may also have influenced the viscosity perception of milk. Irish sensory assessors preferred pasteurized milk produced from grass-fed cows, with least preference from milk produced from total mixed ration diets. beta-Carotene content was significantly higher in milks derived from grass or grass/clover and appears to have directly influenced color perception. Toluene and p-cresol are both degradation products of beta-carotene and along with beta-carotene were identified as potential biomarkers for milk derived from pasture. The only correlation that appeared to influence the flavor of milk as determined using ranked descriptive analysis was p-cresol. P-Cresol appears to be responsible for the barnyard aroma of milk and is also likely derived from the deamination and decarboxylation of tryptophan and tyrosine due to the higher levels of available protein in the grass and grass/clover diets. The highest levels of p-cresol were in the grass/clover diets and are likely due to the degradation of the isoflavone formononetin in the rumen, which is present in white clover swards. PMID- 29224877 TI - Effects of early postpartum sodium salicylate treatment on long-term milk, intake, and blood parameters of dairy cows. AB - Previous research has shown that cows who receive treatment with nonsteroidal anti-inflammatory drugs after calving may have increased milk yield beginning near peak lactation, resulting in greater 305-d milk production. It has not been demonstrated whether this response is associated with greater feed intake following the first 3 wk of lactation. Dry matter intake (DMI) and milk yield were measured daily for 56 cows over the first 120 d in milk. Cows in their second parity and greater were blocked by parity and alternately enrolled 12 to 36 h after calving into 1 of 2 treatments: either 3 daily drenches of water or 3 daily drenches of a similar volume of water containing 125 g of sodium salicylate (SAL) beginning 12 to 36 h after calving. Cows were housed in individual stalls to monitor DMI. Blood samples were collected before calving and on the last day of treatment, as well as at 7, 11, 14, 18, 21, 35, 49, 63, 77, 91, 105, and 120 d in milk. The SAL treatment did not affect estimated 305-d milk, fat, or protein yields (from monthly test days), daily milk yield or components, energy-corrected milk, fat-corrected milk, or DMI; however, an interaction between parity and treatment was observed for DMI, where second-parity SAL cows had decreased intake with no differences observed in older cows. This resulted in a parity by treatment interaction for the ratio of energy-corrected milk to DMI. Similarly, no main effects of treatment were observed for plasma glucose, beta hydroxybutyrate (BHB), or fatty acid concentrations, but we noted interactions between treatment and parity for glucose, BHB, and insulin. Older cows had greater plasma glucose and insulin concentrations and decreased plasma BHB following SAL but no differences were observed in second parity animals. Alterations in glucose and insulin resulted in a tendency for a treatment by time interaction for the revised quantitative insulin sensitivity check index. Feeding behavior was also altered following SAL administration, resulting in fewer but longer meals, as well as a tendency for greater meal weight. A tendency for a treatment by week interaction for inter-meal interval was observed, as well as a parity by treatment interaction for meal weight. Despite the lack of a milk yield response, SAL had a prolonged programming effect on feeding behavior and blood variables over the first 120 DIM, with responses largely dependent on parity. PMID- 29224878 TI - Short communication: Variability in milk urea nitrogen and dairy total mixed ration composition in the northeastern United States. AB - The main objective of this survey was to examine variability in milk urea nitrogen (MUN) for Dairy Herd Improvement Association (DHIA) herds in the northeastern United States (the Northeast), examine trends in dairy cow diet composition, and determine potential relationships for MUN and diet composition. Trends in milk fat and protein concentrations, milk yield, days in milk on test day, and lactation number of the cows were also evaluated. The data set for the survey included 10,839,461 DHIA dairy cow records from 2004 to 2015 for 13 states (CT, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VA, VT, and WV) and was retrieved from Dairy Records Management Systems (Raleigh, NC). Average (across states and years) milk yield, milk fat, and milk protein were 31.6 +/- 0.24 kg/d, 3.85 +/- 0.021%, and 3.13 +/- 0.013%, respectively. No obvious trends were observed for milk fat or protein content, but milk yield steadily increased during the survey period. Milk urea N concentration averaged 13.3 +/- 0.13 mg/dL, with no obvious or consistent trends. Examination of variability in dairy feed cost and all milk price for the Northeast indicated that high MUN generally coincided with high feed cost and high milk price. For the diet composition survey, 9,707 records of total mixed ration (TMR) analyses, unrelated to the milk composition data set, from the Cumberland Valley Analytical Service (Maugansville, MD) database were examined. Concentration of TMR crude protein (CP) decreased from 17.1% in 2007 to 16.4% in 2015, but there was not an obvious trend in soluble protein concentration. Concentration of TMR neutral detergent fiber (NDF) and 24-h in vitro NDF degradability declined steadily during the survey period and was accompanied by a steady increase in TMR starch concentration. Examination of these unrelated data sets revealed lack of correlation between MUN and diet chemical composition. Thus, we conclude that individual cow MUN in Northeast dairy herds fluctuated between 2004 and 2015. It appeared that MUN followed variability in feed cost; however, ration feed ingredient data were not available to better define the reasons for the variations in MUN. PMID- 29224879 TI - Plant oil supplements reduce methane emissions and improve milk fatty acid composition in dairy cows fed grass silage-based diets without affecting milk yield. AB - Four lipid supplements varying in chain length or degree of unsaturation were examined for their effects on milk yield and composition, ruminal CH4 emissions, rumen fermentation, nutrient utilization, and microbial ecology in lactating dairy cows. Five Nordic Red cows fitted with rumen cannulas were used in a 5 * 5 Latin square with five 28-d periods. Treatments comprised total mixed rations based on grass silage with a forage-to-concentrate ratio of 60:40 supplemented with no lipid (CO) or 50 g/kg of diet dry matter (DM) of myristic acid (MA), rapeseed oil (RO), safflower oil (SO), or linseed oil (LO). Feeding MA resulted in the lowest DM intake, and feeding RO reduced DM intake compared with CO. Feeding MA reduced the yields of milk, milk constituents, and energy-corrected milk. Plant oils did not influence yields of milk and milk constituents, but reduced milk protein content compared with CO. Treatments had no effect on rumen fermentation characteristics, other than an increase in ammonia-N concentration due to feeding MA, RO, and SO compared with CO. Lipid supplements reduced daily ruminal CH4 emission; however, the response was to some extent a result of lower feed intake. Lipids modified microbial community structure without affecting total counts of bacteria, archaea, and ciliate protozoa. Dietary treatments had no effect on the apparent total tract digestibility of organic matter, fiber, and gross energy. Treatments did not affect either energy secreted in milk as a proportion of energy intake or efficiency of dietary N utilization. All lipids lowered de novo fatty acid synthesis in the mammary gland. Plant oils increased proportions of milk fat 18:0, cis 18:1, trans and monounsaturated fatty acids, and decreased saturated fatty acids compared with CO and MA. Both SO and LO increased the proportion of total polyunsaturated fatty acids, total conjugated linolenic acid, and cis-9,trans-11 conjugated linoleic acid. Feeding MA clearly increased the Delta9 desaturation of fatty acids. Our results provide compelling evidence that plant oils supplemented to a grass silage-based diet reduce ruminal CH4 emission and milk saturated fatty acids, and increase the proportion of unsaturated fatty acids and total conjugated linoleic acid while not interfering with digestibility, rumen fermentation, rumen microbial quantities, or milk production. PMID- 29224880 TI - The effect of different treatments for early-lactation hyperketonemia on liver triglycerides, glycogen, and expression of key metabolic enzymes in dairy cattle. AB - Despite the widespread use of treatments for postpartum hyperketonemia in dairy cows, there is currently a lack of evidence comparing their effects on both the resolution of hyperketonemia and the potential effects on the liver of affected animals. The objective of our work was to investigate the effect of commonly used hyperketonemia treatments on hepatic triglyceride and glycogen content as well as on the mRNA and protein abundance of key enzymes involved in gluconeogenesis, ketogenesis, and lipid metabolism. Multiparous Holstein cows between 3 and 9 d in milk were screened 3 times per week and enrolled in the study when whole-blood beta-hydroxybutyrate concentrations measured >=1.2 mmol/L. Cows were randomly allocated to 1 of 4 groups: (1) 500 mL of a 50% d-glucose solution intravenously once a day for 3 d (n = 8), (2) 300 mL of propylene glycol orally once a day for 3 d (n = 8), (3) 500 mL of a 50% d-glucose solution intravenously and 300 mL of propylene glycol orally once a day for 3 d (n = 8), or (4) an untreated control group (n = 8). Liver biopsies were taken on the day of enrollment as well as on the day following completion of treatments. Liver triglyceride and glycogen content were determined by colorimetric and fluorometric methods, respectively. Gene and protein expression of pyruvate carboxylase, phosphoenolpyruvate carboxykinase 1, glucose-6-phosphatase, 3-hydroxy-3-methylglutaryl-CoA synthase 2, acetyl-CoA carboxylase, and carnitine palmitoyltransferase 1A were compared between groups and time points using quantitative reverse transcriptase PCR and Western blotting techniques, respectively. In addition, the ratio of light chain 3B II:I was determined by Western blotting. Plasma samples from both time points for each enrolled cow were submitted for chemistry analysis. Data were analyzed using a repeated-measures ANOVA taking into account the paired nature of the data, and differences between all groups and time points were controlled for multiple comparisons using the Tukey procedure. No difference was found in triglyceride or glycogen concentration between treatment groups. The gene expression of pyruvate carboxylase decreased in the group receiving both treatments, whereas protein expression of this enzyme increased in all groups over time. The autophagy marker light chain 3B II:I decreased in the group receiving both glucose and propylene glycol. No other changes in gene or protein expression of key hepatic enzymes were associated with treatments. We conclude that intravenous glucose and oral propylene glycol, commonly used treatments for ketosis in postpartum dairy cows, administered alone or in combination for a duration of 3 d did not have important beneficial or detrimental effects on selected indicators of liver composition and function in cows with hyperketonemia. PMID- 29224881 TI - Early-lactation extended pirlimycin therapy against naturally acquired Staphylococcus aureus intramammary infections in heifers: A randomized controlled trial. AB - The primary objective of the current study was to evaluate cure rate following an early-lactation extended intramammary pirlimycin treatment on heifers naturally infected by Staphylococcus aureus. The secondary objective was to assess Petrifilm Staph Express (3M Microbiology, St. Paul, MN) count plate characteristics when used in a protocol for early-lactation detection of infected quarters in heifers. Milk samples were collected from heifers (n = 946) in the first few days following calving (mean = 5 d). Heifers with laboratory-confirmed S. aureus intramammary infection (n = 72) were randomly allocated into 2 groups. The treatment group (n = 54 quarters from 38 heifers) received an intramammary infusion of 50 mg of pirlimycin once per day for 8 consecutive days in infected quarters. The control group (n = 44 quarters from 34 heifers) did not receive any treatment. Treatment success was defined as having negative culture results for S. aureus in all 3 post-treatment quarter milk samples collected on d 17, 24, and 31 post-treatment. Treatment group mammary quarters showed a statistically significant higher cure rate (64.8%) compared with the control group (34.1%). A total of 38% of quarters identified as S. aureus-positive using the Petrifilm Staph Express count plate were in fact identified as non-aureus staphylococci on routine laboratory-based bacteriological culture. The current study demonstrates that a higher cure rate for S. aureus IMI can be achieved in dairy heifers if an extended treatment protocol is put in place soon after calving. Use of Petrifilm Staph Express count plate for identification of S. aureus-infected heifers could lead to unnecessary treatments because of false-positive results. PMID- 29224882 TI - Genetic parameters for alphaS1-casein and alphaS2-casein phosphorylation isoforms in Dutch Holstein Friesian. AB - Relative concentrations of alphaS1-casein and alphaS2-casein (alphaS1-CN and alphaS2-CN) phosphorylation isoforms vary considerably among milk of individual cows. We estimated heritabilities for alphaS2-CN phosphorylation isoforms, determined by capillary zone electrophoresis from 1,857 morning milk samples, and genetic correlations among alphaS2-CN phosphorylation isoforms in Dutch Holstein Friesian. To investigate if phosphorylation of alphaS1-CN and alphaS2-CN are due to the same genetic mechanism, we also estimated genetic correlations between alphaS1-CN and alphaS2-CN phosphorylation isoforms as well as the genetic correlations between the phosphorylation degrees (PD) of alphaS1-CN and alphaS2 CN defined as the proportion of isoforms with higher degrees of phosphorylation in total alphaS1-CN and alphaS2-CN, respectively. The intra-herd heritabilities for the relative concentrations of alphaS2-CN phosphorylation isoforms were high and ranged from 0.54 for alphaS2-CN-10P to 0.89 for alphaS2-CN-12P. Furthermore, the high intra-herd heritabilities of alphaS1-CN PD and alphaS2-CN PD imply a strong genetic control of the phosphorylation process, which is independent of casein production. The genetic correlations between alphaS2-CN phosphorylation isoforms are positive and moderate to high (0.33-0.90). Furthermore, the strong positive genetic correlation (0.94) between alphaS1-CN PD and alphaS2-CN PD suggests that the phosphorylation processes of alphaS1-CN and alphaS2-CN are related. This study shows the possibility of breeding for specific alphaS1-CN and alphaS2-CN phosphorylation isoforms, and relations between the phosphorylation degrees of alphaS1-CN and alphaS2-CN and technological properties of milk need to be further investigated to identify potential benefits for the dairy industry. PMID- 29224884 TI - A genome-wide association study for left-sided displacement of the abomasum using a high-density single nucleotide polymorphism array. AB - Left-sided displacement of the abomasum (LDA) is a frequent disease in dairy cattle causing significant financial losses for dairy farmers. Heritability (h2) of this complex disease was estimated at up to 0.5 in German Holstein (GH) cattle. Using the Bovine High Density BeadChip (Illumina Inc., San Diego, CA) comprising 588,753 single nucleotide polymorphisms (SNP) after quality control for 126 LDA cases and 280 population-based controls, we used a mixed linear model analysis in a genome-wide association study (GWAS). We identified 6 genomic regions for LDA on bovine chromosomes 2, 8, 13, 20, 24, and X that were significantly associated with LDA. Each of these regions was covered by 4 to 12 LDA-associated SNP. Single SNP within these regions explained up to 7.3% of the phenotypic variance. An independent sample of 1,554 GH cows, including 539 controls and 1,015 cases, were genotyped for 8 SNP highly associated with LDA on Bos taurus autosomes (BTA) 2, 8, 13, and 24, as well as 6 SNP located in previously identified LDA regions on BTA1, 5, 11, and 27 using competitive allele specific PCR genotyping technology (KASP). The analysis using the KASP genotypes confirmed LDA-associated loci on BTA2, 8, 13, and 27. These genomic regions may contribute to the susceptibility to LDA in Holstein cows and may harbor functional variants for LDA. PMID- 29224883 TI - Utilization of protein in red clover and alfalfa silages by lactating dairy cows and growing lambs. AB - Feeding trials were conducted with lactating cows and growing lambs to quantify effects of replacing dietary alfalfa silage (AS) with red clover silage (RCS) on nutrient utilization. The lactation trial had a 2 * 4 arrangement of treatments: AS or RCS fed with no supplement, rumen-protected Met (RPM), rumen-protected Lys (RPL), or RPM plus RPL. Grass silage was fed at 13% of dry matter (DM) with AS to equalize dietary neutral detergent fiber (NDF) and crude protein contents. All diets contained (DM basis) 5% corn silage and 16% crude protein. Thirty-two multiparous (4 ruminally cannulated) plus 16 primiparous Holstein cows were blocked by parity and days in milk and fed diets as total mixed rations in an incomplete 8 * 8 Latin square trial with four 28-d periods. Production data (over the last 14 d of each period) and digestibility and excretion data (at the end of each period) were analyzed using the MIXED procedure of SAS (SAS Institute Inc., Cary, NC). Although DM intake was 1.2 kg/d greater on AS than RCS, milk yield and body weight gain were not different. However, yields of fat and energy-corrected milk as well as milk content of fat, true protein, and solids-not-fat were greater on AS. Relative to AS, feeding RCS increased milk and energy-corrected milk yield per unit of DM intake, milk lactose content, and apparent N efficiency and reduced milk urea. Relative to AS, apparent digestibility of DM, organic matter, NDF, and acid detergent fiber were greater on RCS, whereas apparent and estimated true N digestibility were lower. Urinary N excretion and ruminal concentrations of ammonia, total AA, and branched-chain volatile fatty acids were reduced on RCS, indicating reduced ruminal protein degradation. Supplementation of RPM increased intake, milk true protein, and solids-not-fat content and tended to increase milk fat content. There were no silage * RPM interactions, suggesting that RPM was equally limiting on both AS and RCS. Supplementation of RPL did not influence any production trait; however, a significant silage * RPL interaction was detected for intake: RPL reduced intake of AS diets but increased intake of RCS diets. Duplicated metabolism trials were conducted with lambs confined to metabolism crates and fed only silage. After adaptation, collections of silage refusals and excreta were made during ad libitum feeding followed by feeding DM restricted to 2% of body weight. Intake of DM was not different when silages were fed ad libitum. Apparent digestibility of DM, organic matter, NDF, and hemicellulose was greater in lambs fed RCS on both ad libitum and restricted intake; however, acid detergent fiber digestibility was only greater at restricted intake. Apparent and estimated true N digestibility was substantially lower, and N retention was reduced, on RCS. Results confirmed greater DM and fiber digestibility in ruminants and N efficiency in cows fed RCS. Specific loss of Lys bioavailability on RCS was not observed. Based on milk composition, Met was the first-limiting AA on both silages; however, Met was not limiting based on production and nutrient efficiency. Depressed true N digestibility suggested impaired intestinal digestibility of rumen-undegraded protein from RCS. PMID- 29224885 TI - Economic optimization of selective dry cow treatment. AB - The objective of this study was to develop a mathematical model to identify a scenario with the lowest costs for mastitis associated with the dry period while restricting the percentage of cows to be dried off with dry cow antimicrobials. Costs of clinical and subclinical mastitis as well as antimicrobial use were quantified. Based on data from a large field trial, a linear programming model was built with the goal to minimize the costs associated with antimicrobial use at drying off. To enable calculations on minimizing costs of dry cow treatment on herd-level by drying-off decisions in an "average" herd, we created an example herd. Cows were projected on 3 different types of herds, based on bulk tank somatic cell count, and were categorized in groups based on parity and somatic cell count from the last test recording before drying-off. Economically optimal use of antimicrobials was determined while restricting the maximum percentage of cows dried off with antimicrobials from 100 to 0%. This restriction reveals the relationship between the maximum percentage of cows dried off with antibiotics and the economic consequences. A sensitivity analysis was performed to evaluate the effect of variation in the most important input variables, with the effect of dry cow antimicrobials resulting in a lower or higher percentage of clinical and subclinical mastitis depending on being dried off with or without dry cow antimicrobials, respectively, and the milk price. From an economic perspective, blanket dry cow treatment seems not to be the optimal approach of dry cow therapy, although differences between approaches were small. With lower bulk tank somatic cell counts, more dry cow antimicrobials can be omitted without economic consequences. The economic impact of reducing the percentage of clinical mastitis was found to be much larger than reducing the bulk tank somatic cell count. The optimal percentage of cows to be dried off with antimicrobials depends on the udder health situation, expressed as the bulk tank somatic cell count and the incidence of clinical mastitis. For all evaluated types of herds, selective dry cow treatment was economically more beneficial than blanket dry cow treatment. Economic profits of selective dry cow treatment are greater if bulk tank somatic cell count and clinical mastitis incidence are lower. Economics is not an argument against reduction of dry cow antimicrobials by applying selective dry cow treatment. PMID- 29224886 TI - [Spheroids: A reference model for in vitro culture of solid tumors?] AB - The recognition that solid tumors are complex entities composed of the tumor cell mass itself and a stromal micro-environnement providing a variety of cells from the host (fibroblasts, endothelial cells, immune cells) led to recognize that this heterogeneity could not be recapitulated in vitro by conventional bidimensional (2-D) cultures. This justified numerous attempts to develop tridimensional (3-D) cultures that provided better tools for approaching tumor complexity and more convincing drug testing systems. Among various 3-D technologies, tumor spheroids are more likely suited to provide in vitro platforms for apprehending specific aspects of different processes specifically defining each tumor category as well as testing drug delivery systems. This review summarizes current features of multicellular tumor spheroids and their suitability for studying different aspects of cancer cell biology, patient specific therapies and drug treatment. PMID- 29224887 TI - Ambient air pollution: How much of estimated "prenatal exposure" is truly attributable to pre-birth exposures? PMID- 29224888 TI - Anthropogenic eutrophication affects the body size of Cymodocea nodosa in the North Aegean Sea: A long-term, scale-based approach. AB - The variation of eleven Cymodocea nodosa metrics was studied along two anthropogenic gradients in the North Aegean Sea, in two separate periods (July 2004 and July 2013). The aim was to specify existing monitoring programs on different kind of human-induced or natural stress for a better decision-making support. Key water variables (N-NO2, N-NO3, N-NH4, P-PO4, Chl-a, attenuation coefficient-K, and suspended solids) along with the stress index MALUSI were also estimated in each sampling effort. All metrics (except one) showed significant differences (p<0.05) and highest variation at the meadows scale in both sampling periods. The body size, e.g., CymoSkew, total and maximum leaf length, and leaf area (cm2/shoot), rather than the abundance, e.g., shoot density (shoots/m2), leaf area index (m2/m2), metrics were related to anthropogenic eutrophication variables represented by N-NH4, N-NO3, N/P and MALUSI. The temporal analysis was restricted to two (2) meadows and water variables that were common between the two periods. PERMANOVA and PCA of common meadows and metrics within nine years showed significant but not consistent differences. While the most impacted studied site of Viamyl remained unchanged, a significant improvement of water quality was observed in the second most impacted meadow of Nea Karvali, which however was reduced to half of its previous area. On the one hand that was the result of combined management practices in nearby aquacultures and lower industrial activities due to the economic crisis. On the contrary, dredging and excess siltation from changes in land catchments and construction of permanent structures may decrease seagrass abundance. PMID- 29224889 TI - Perioperative Internal Iliac Artery Balloon Occlusion, In the Setting of Placenta Accreta and Its Variants: The Role of the Interventional Radiologist. AB - Placenta accreta and its variants (increta and percreta) are conditions of abnormal placentation that are encountered with increasing frequency. The spectrum of placenta accreta (including placenta increta and percreta) involves an abnormal attachment of the placental chorionic villi to the uterine myometrium. This abnormal attachment leads to increased adherence of the placenta to the uterus and abnormal placental-uterine separation at the time of delivery. Placental invasion into, or through the myometrium is associated with increased postpartum morbidity and mortality as a result of uterine hemorrhage during and following cesarean section. A multidisciplinary clinical approach to the treatment of patients with placenta accreta is recommended by the American College of Obstetricians and Gynecologists. As potential members of an interdisciplinary team, interventional radiologists can perform prophylactic internal iliac arterial balloon occlusion as an adjunctive therapy for reducing potentially life-threatening postpartum hemorrhage. The procedure involves placement of a balloon catheter into the internal iliac or common iliac arteries bilaterally prior to cesarean section. Following delivery, and prior to placental separation, the catheter balloons are inflated with a pre-determined volume of saline leading to transient occlusion of the internal iliac arteries and reduced uterine blood flow. PMID- 29224890 TI - Advances in breast intervention: where are we now and where should we be? AB - In the past four decades, a variety of methods for minimal or non-invasive diagnosis and treatment of breast cancer have been introduced. Although breast imaging has become more and more specific for diagnosis, specimen biopsy with histopathological confirmation is still necessary. Core-needle biopsy under ultrasound guidance is the appropriate first choice for the diagnosis of most lesions. Fine-needle aspiration is of interest for identification of the presence of metastatic disease in abnormal lymph nodes. For microcalcifications, vacuum assisted biopsy is recommended, especially with stereotactic guidance. In recent years different therapeutic techniques have been developed for the treatment of solid lesions, including breast cancer. Certainly, with the improvement of technology and medical scientific progress, it is becoming more common to use minimal- or non-invasive therapies. The proposed minimally invasive techniques may offer complete treatment of breast cancer, with better cosmetic results, less psychological stress, and shorter hospital stays. In this article, the strengths and weaknesses of the different diagnostic and therapeutic techniques are presented, and promising techniques for the future are discussed. PMID- 29224891 TI - The Bmp signaling pathway regulates development of left-right asymmetry in amphioxus. AB - Establishment of asymmetry along the left-right (LR) body axis in vertebrates requires interplay between Nodal and Bmp signaling pathways. In the basal chordate amphioxus, the left-sided activity of the Nodal signaling has been attributed to the asymmetric morphogenesis of paraxial structures and pharyngeal organs, however the role of Bmp signaling in LR asymmetry establishment has not been addressed to date. Here, we show that Bmp signaling is necessary for the development of LR asymmetric morphogenesis of amphioxus larvae through regulation of Nodal signaling. Loss of Bmp signaling results in loss of the left-sided expression of Nodal, Gdf1/3, Lefty and Pitx and in gain of ectopic expression of Cerberus on the left side. As a consequence, the larvae display loss of the offset arrangement of axial structures, loss of the left-sided pharyngeal organs including the mouth, and ectopic development of the right-sided organs on the left side. Bmp inhibition thus phenocopies inhibition of Nodal signaling and results in the right isomerism. We conclude that Bmp and Nodal pathways act in concert to specify the left side and that Bmp signaling plays a fundamental role during LR development in amphioxus. PMID- 29224892 TI - How glucose, glutamine and fatty acid metabolism shape blood and lymph vessel development. AB - Recently, endothelial cell metabolism has emerged as an essential driver and regulator of both blood and lymph vessel development. Evidence rapidly builds that metabolism is not only necessary for endothelial cell function, but moreover controls several aspects of the (lymph)-angiogenic process. So far, the best characterized metabolic pathways to have an impact on angiogenesis are glycolysis, fatty acid oxidation and glutamine metabolism. Glycolysis regulates tip cell behavior by providing ATP, fatty acid oxidation controls stalk cell proliferation by producing nucleotide biomass, and glutamine metabolism is critical for tip and stalk cell dynamics by supporting Krebs cycle anaplerosis, protein production and redox homeostasis, and links to asparagine metabolism. During lymphangiogenesis, glycolysis and fatty acid oxidation are key metabolic pathways. Glycolysis provides energy for growing lymph vessels, while fatty acid oxidation is a critical metabolic regulator of lymphangiogenesis, in part by promoting nucleotide synthesis as well as by mediating epigenetic changes of histone acetylation, which promotes transcription of key lymphatic genes, and hence venous-to-lymphatic endothelial cell differentiation. On the whole, increasing knowledge on the metabolic landscape of endothelial cells offers a fresh impetus to future treatment possibilities of vascular related diseases. PMID- 29224893 TI - External validation of equations to estimate resting energy expenditure in 14952 adults with overweight and obesity and 1948 adults with normal weight from Italy. AB - BACKGROUND & AIMS: We cross-validated 28 equations to estimate resting energy expenditure (REE) in a very large sample of adults with overweight or obesity. METHODS: 14952 Caucasian men and women with overweight or obesity and 1498 with normal weight were studied. REE was measured using indirect calorimetry and estimated using two meta-regression equations and 26 other equations. The correct classification fraction (CCF) was defined as the fraction of subjects whose estimated REE was within 10% of measured REE. RESULTS: The highest CCF was 79%, 80%, 72%, 64%, and 63% in subjects with normal weight, overweight, class 1 obesity, class 2 obesity, and class 3 obesity, respectively. The Henry weight and height and Mifflin equations performed equally well with CCFs of 77% vs. 77% for subjects with normal weight, 80% vs. 80% for those with overweight, 72% vs. 72% for those with class 1 obesity, 64% vs. 63% for those with class 2 obesity, and 61% vs. 60% for those with class 3 obesity. The Sabounchi meta-regression equations offered an improvement over the above equations only for class 3 obesity (63%). CONCLUSIONS: The accuracy of REE equations decreases with increasing values of body mass index. The Henry weight & height and Mifflin equations are similarly accurate and the Sabounchi equations offer an improvement only in subjects with class 3 obesity. PMID- 29224894 TI - The biology of language?. PMID- 29224895 TI - In sailing the fun is in the travelling! PMID- 29224896 TI - Special Section: Biological Waste to Energy. PMID- 29224897 TI - Foot exercise and orthotics more effective than knee exercise in PFJ pain. PMID- 29224898 TI - Clinical Outcome of Patients with Advanced Biliary Tract Cancer in a Dedicated Phase I Unit. AB - AIMS: Advanced biliary tract carcinomas (ABC) are malignancies with limited effective therapies for advanced disease. There is little published evidence of outcomes of ABC patients participating in phase I clinical trials. MATERIALS AND METHODS: Patient characteristics, treatment details and outcomes of ABC patients treated at a dedicated phase I unit were captured and analysed from case and trial records. RESULTS: In total, 123 ABC patients were included in the study, of which 48 patients participated in 41 different phase I trials; 75 (61%) did not participate due to rapid disease progression or patient choice. Molecular characterisation of tumours using a targeted panel was conducted in 15 (31%), yielding several potentially actionable mutations, including BRCA, PIK3CA, FGFR, AKT and PTEN loss. Of the 39 evaluable patients there was one exceptional responder. Eighteen (46%) other patients achieved stable disease as their best response, with a clinical benefit rate at 4 months of 10%. Treatment was generally well tolerated with grade 3 or 4 adverse events only observed in eight patients (17 %), of which six were drug related and led to trial discontinuation in one (3%), with no toxicity-related deaths. CONCLUSION: Carefully selected ABC patients have been found to tolerate experimental phase I clinical trials without excess toxicity. The aggressive nature of this disease warrants consideration of early referral to a phase I unit. Future work will require comprehensive molecular profiling in an attempt to understand the biology underlying the exceptional responders and to match patients in real-time to targeted therapies. PMID- 29224899 TI - Re-irradiation and Hyperthermia in Breast Cancer. AB - Half of locoregional recurrences after breast cancer treatment are isolated events. Restaging should be carried out to select patients for curative salvage treatment. The approach depends on the characteristics of the primary and recurrent cancer, previous locoregional and systemic treatments, site of recurrence, comorbidities and the patient's wishes. A multidisciplinary discussion should be associated with the shared decision-making process. In view of the potential long-term disease-free survival, meticulous target volume delineation and selection of the most appropriate techniques should be used to decrease the risk of toxicity. This overview aims to provide clinicians with tools to manage the different scenarios of breast cancer patients with locoregional recurrences in the context of re-irradiation. PMID- 29224900 TI - Single Fraction Stereotactic Ablative Body Radiotherapy for Oligometastasis: Outcomes from 132 Consecutive Patients. AB - AIMS: Stereotactic ablative body radiotherapy (SABR) is currently used to treat oligometastases, but the optimum dose/fractionation schedule is unknown. In this study, we evaluated outcomes after single fraction SABR in patients with oligometastatic disease. MATERIALS AND METHODS: Single institutional retrospective review of patients treated with single fraction SABR for one to three oligometastases between 2010 and 2015. The primary outcome was freedom from widespread disease defined as distant recurrence not amenable to surgery or SABR; or recurrence with four or more metastases. RESULTS: In total, 186 treatments were delivered in 132 patients. The two most common target sites were lung (51%) and bone (40%). The most frequent single fraction prescription dose was 26 Gy (47%). The most common primary malignancy was genitourinary (n = 46 patients). Freedom from widespread disease was 75% at 1 year (95% confidence interval 67 83%) and 52% at 2 years (95% confidence interval 42-63%). Freedom from local progression at 1 year was 90% (95% confidence interval 85-95%) and at 2 years was 84% (95% confidence interval 77-91%). A compression fracture of the lumbar vertebra was the only grade 3+ treatment-related toxicity. CONCLUSIONS: Single fraction SABR is associated with a high rate of freedom from widespread disease, favourable local control and low toxicity comparable with historic multi-fraction SABR reports. PMID- 29224901 TI - External Beam Re-irradiation in Rectal Cancer. AB - Locally recurrent rectal cancer results in significant symptoms and is associated with prognosis of less than 1 year unless radical resection can be offered. Unfortunately, radical resection rates are low and therefore strategies to palliate symptoms and to maximise downstaging are of significant interest. As the majority of those presenting with locally recurrent rectal cancer will have received previous irradiation for their primary tumour, re-irradiation may offer benefit in this setting. The literature to date is considered in both palliative patients and those with potentially operable disease. Palliative patients gain significant symptomatic relief from standard dose fractionations of up to 30 Gy. In potentially operable patients, the evidence is discussed in the context of key questions; including indications for treatment, dose and fractionation, radiotherapy technique, margins and constraints. Finally, we highlight some additional areas of interest for consideration in future research and development. PMID- 29224902 TI - Positron emission tomography/computed tomography evaluation of oncolytic virus therapy efficacy in melanoma. PMID- 29224903 TI - Eighth American Joint Committee on Cancer (AJCC) melanoma classification: Let us reconsider stage III. PMID- 29224904 TI - Comment on predictors of daily life suicidal ideation in adults recently discharged after a serious suicide attempt: A pilot study. PMID- 29224905 TI - The mechanics of corneal deformation and rupture for penetrating injury in the human eye. AB - Penetrating eye injuries are surgical emergencies with guarded visual prognosis. The purpose of the current study was to determine the force required to rupture the cornea with a penetrating object, and to study how this force is affected by the object geometry. Thirty-six human cadaveric eyes from donors of various ages were characterized for diameter, axial length, and pre-test intraocular pressure. In order to investigate the effects of specimen storage time on the tissue response, half of the specimens were tested within two weeks of donor expiration, and half of the specimens were stored at -4 degrees C for 12-18 months. Indenters of three different diameters (1.0, 1.5, and 2.0mm) were lowered into the apex of the cornea until rupture. Resistance to displacement (stiffness), displacement at failure, and the force at failure were determined. Multi-variable regression analysis was used to determine associations of the input variables (indenter size, test speed, and tissue postmortem time) on the mechanics of the tissue response. Twenty-nine of the 36 specimens failed at the indenter location in the cornea, four failed at the limbus, and three failed in the sclera near sites of muscle attachment. The average force at failure caused by the 1.0mm, 1.5mm, and 2.0mm indenters increased from 30.5+/-5.5N to 40.5+/-8.3N to 58.2+/-14.5N, respectively (p<0.002). The force at failure was associated with the donor age (p<0.001), and globe diameter (p<0.041), but was not associated with pre-test intraocular pressure, tissue postmortem time, axial length, or speed of the indenter. This study has quantified the force-displacement and failure response of a large series of human cadaveric eyes subjected to penetrating indentation loads on the cornea. The results provide useful data for characterizing the relationship between corneal rupture and the geometry of a penetrating object. PMID- 29224906 TI - Horse-related injuries in children - unmounted injuries are more severe: A retrospective review. AB - INTRODUCTION: Horse-related injuries account for one quarter of all paediatric sports fatalities. It is not known whether the pattern of injury spectrum and severity differ between children injured whilst mounted, compared with those injured unmounted around horses. We aimed to identify any distinctions between the demographic features, spectrum and severity of injuries for mounted versus unmounted patients. PATIENTS AND METHODS: Trauma registry data were reviewed for 505 consecutive paediatric patients (aged<16years) admitted to a large paediatric trauma centre with horse-related injuries over a 16-year period. Patients were classified into mounted and unmounted groups, and demographics, injury spectrum, injury severity, and helmet usage compared using odds ratios and Wilcoxon rank sum tests. RESULTS: More patients (56%) were injured in a private setting than in a sporting or supervised context (23%). Overall, head injuries were the most common horse-related injury. Mounted patients comprised 77% of the cohort. Mounted patients were more likely to sustain upper limb fractures or spinal injuries, and more likely to wear helmets. Unmounted were more likely to be younger males, and more likely to sustain facial or abdominal injuries. Strikingly, unmounted children had significantly more severe and critical Injury Severity Scores (OR 2.6; 95% CI 1.5, 4.6) and longer hospital stay (2.0days vs 1.1days; p<0.001). Unmounted patients were twice as likely to require intensive care or surgery, and eight times more likely to sustain a severe head injury. CONCLUSIONS: Horse-related injuries in children are serious. Unmounted patients are distinct from mounted patients in terms of gender, age, likelihood of personal protective equipment use, severity of injuries, and requirement for intensive or invasive care. This study highlights the importance of vigilance and other safety behaviours when unmounted and around horses, and proposes specific targets for future injury prevention campaigns, both in setting of organised and private equestrian activity. PMID- 29224907 TI - Quantitative Postural Analysis of Children With Congenital Visual Impairment. AB - OBJECTIVES: The aim of this study was to compare the postural alignment of children with visual impairment with that of children without visual impairment. METHODS: The sample studied was 74 children of both sexes ages 5 to 12 years. Of these, 34 had visual impairment and 40 were control children. Digital photos from the standing position were used to analyze posture. Postural variables, such as tilt of the head, shoulder position, scapula position, lateral deviation of the spine, ankle position in the frontal plane and head posture, angle of thoracic kyphosis, angle of lumbar lordosis, pelvis position, and knee position in the frontal and sagittal planes, were measured with the Postural Assessment Software 0.63, version 36 (SAPO, Sao Paulo, Brazil), with markers placed in predetermined bony landmarks. RESULTS: The main results of this study showed that children with visual impairment have increased head tilt (P < .001), shoulder deviation in frontal plane (P = .004), lateral deviation of the spine (P < .001), changes in scapula position (P = .012), higher thoracic kyphosis (P = .004), and lower lumbar lordosis (P < .001). CONCLUSIONS: Visual impairment influences postural alignment. Children with visual impairment had increased head tilt, uneven shoulders, greater lateral deviation of the spine, thoracic kyphosis, lower lumbar lordosis, and more severe valgus deformities on knees. PMID- 29224908 TI - Mortality hospital of nonagenarian patients in Internal Medicine. AB - OBJECTIVES: To describe the predictors of hospital mortality in nonagenarian patients. PATIENTS AND METHOD: We retrospectively studied 421 patients aged 90 years or older hospitalised in a department of internal medicine. Using logistic regression, we analysed the association between demographic, clinical and functional parameters and hospital mortality. RESULTS: The mean age was 92.5 years (SD+/-2.5), and 265 (62.9%) of the patients were women. The main diagnoses were infectious diseases (257 patients, 61%) and heart failure (183, 43.5%), and the mean stay was 11.9 days (SD+/-8.6). During the hospitalisation, 96 patients died (22.8%). The predictors of mortality were age (P=.002), functional state (P=.006), comorbidity (P=.018) and diagnoses of pneumonia (P=.001), sepsis (P=.012) and respiratory failure (P<.001). CONCLUSION: The hospital mortality of nonagenarian patients treated in internal medicine exceeds 20% and is associated with pneumonia, comorbidity burden and functional impairment. PMID- 29224909 TI - Hygiene Hypothesis in Asthma Development: Is Hygiene to Blame? AB - Industrialized countries have registered epidemic rates on allergic diseases, such as hay fever, asthma, eczema, and food allergies. The Hygiene Hypothesis was born from work made by Dr. David Strachan, who observed that younger siblings were less susceptible to eczema and asthma, and proposed that this was a result of increased transmission of infectious agents via unhygienic practices within a household. This initial hypothesis was then reframed as the old friends/microbiota hypothesis, implicating non-pathogenic commensal microorganisms as the source of immunomodulatory signals necessary to prevent immune-mediated chronic disorders. Although the hygiene hypothesis is supported by epidemiological research of allergic diseases in certain industrialized settings, it often fails to explain the incidence of asthma in less affluent regions of the world. In this review, we summarize up-to-date information on genetic and environmental factors associated with asthma in different human populations, and present evidence that calls for caution when associating hygiene with the pathogenesis of asthma and other allergic conditions. PMID- 29224910 TI - Regulation of SIRT3/FOXO1 Signaling Pathway in Rats with Non-alcoholic Steatohepatitis by Salvianolic Acid B. AB - AIMS: To explore the effect of salvianolic acid B (Sal B) on regulation of SIRT3/FOXO1 signaling pathway in rats with non-alcoholic steatohepatitis (NASH). METHODS: Sixty Sprague Dawley (SD) rats were randomly divided into control, model and treatment groups. After 12 weeks of successful model establishment with high fat diet, treatment group was given Sal B by intragastric administration. After 12 weeks of treatment, rats were sacrificed and livers were taken to test indicators such as liver index, TG, TC, ALT, AST, reactive oxygen species (ROS) by DCFH-DA probe, SOD2 activity by WST-8 test. mRNA and protein expression of SIRT3, SOD2, catalase were detected by real time PCR and western blot, respectively. The acetylation level of FOXO1 and SOD2 was detected by immuno precipitation (IP). RESULT: Liver index, ALT, AST, TG, TC, and ROS of model group were higher than those of control and treatment groups, which the difference was statistically significant (p <0.01). SOD2 activity of model group was lower than that of control and treatment groups. In treatment group, HE staining and electron microscopy showed hepatic tissue pathological change and mitochondrial structure damage alleviate. mRNA and protein expression of SIRT3, SOD2, catalase were lower in model group and the difference was statistically significant (p <0.05), which was opposite in the acetylation level of FOXO1 and SOD2 by IP. CONCLUSION: Sal B can decrease oxidative stress reaction by regulating SIRT3/FOXO1 signaling pathway and play a therapeutic role in the treatment of NASH in rats. PMID- 29224911 TI - The hands and head of a surgeon: Modeling operative competency with multimodal epistemic network analysis. AB - BACKGROUND: This paper explores a method for assessing intraoperative performance by modeling how surgeons integrate psychomotor, procedural, and cognitive skills to manage errors. METHODS: Audio-video data were collected from general surgery residents (N = 45) performing a simulated laparoscopic ventral hernia repair. Errors were identified using a standard checklist, and speech was coded for elements related to error recognition and management. Epistemic network analysis (ENA) was used to model the integration of error management skills. RESULTS: There was no correlation between number or type of errors committed and operative outcome. However, ENA models showed significant differences in the integration of error management skills between high-performing and low-performing residents. CONCLUSION: These results suggest that error checklists and surgeons' speech can be used to model the integration of psychomotor, procedural, and cognitive aspects of intraoperative performance. Moreover, ENA can identify and quantify this integration, providing insight on performance gaps in both individuals and populations. PMID- 29224912 TI - Response to Claire Vale, David Fisher, Jayne Tierney, Ian White, Matthew Sydes, and James Carpenter's Letter to the Editor re: Christopher J.D. Wallis, Zachary Klaassen, Bimal Bhindi, et al. Comparison of Abiraterone Acetate and Docetaxel with Androgen Deprivation Therapy in High-risk and Metastatic Hormone-naive Prostate Cancer: A Systematic Review and Network Meta-analysis. Eur Urol. In press. https://doi.org/10.1016/j.eururo.2017.10.002. PMID- 29224913 TI - Re: Is Preoperative Assessment and Treatment of Asymptomatic Bacteriuria Necessary for Reducing the Risk of Postoperative Symptomatic Urinary Tract Infection After Urologic Surgical Procedures? PMID- 29224914 TI - Nodal Metastases at Radical Prostatectomy: More Aggressive Disease Warrants Consideration of Multimodal Treatment. PMID- 29224915 TI - Re: Active Surveillance for Low-risk Nonmuscle Invasive Bladder Cancer (NMIBC): a Confirmatory and Resource Consumption Study from Bladder Cancer Italian Active Surveillance (BIAS) Project. PMID- 29224916 TI - Cancer Radiosensitizers. AB - Radiotherapy (RT) is a mainstay treatment for many types of cancer, although it is still a large challenge to enhance radiation damage to tumor tissue and reduce side effects to healthy tissue. Radiosensitizers are promising agents that enhance injury to tumor tissue by accelerating DNA damage and producing free radicals. Several strategies have been exploited to develop highly effective and low-toxicity radiosensitizers. In this review, we highlight recent progress on radiosensitizers, including small molecules, macromolecules, and nanomaterials. First, small molecules are reviewed based on free radicals, pseudosubstrates, and other mechanisms. Second, nanomaterials, such as nanometallic materials, especially gold-based materials that have flexible surface engineering and favorable kinetic properties, have emerged as promising radiosensitizers. Finally, emerging macromolecules have shown significant advantages in RT because these molecules can be combined with biological therapy as well as drug delivery. Further research on the mechanisms of radioresistance and multidisciplinary approaches will accelerate the development of radiosensitizers. PMID- 29224917 TI - Ectopic Intrathoracic Liver Tissue. PMID- 29224918 TI - The regulatory network behind MHC class I expression. AB - The MHC class I pathway, presenting endogenously derived peptides to T lymphocytes, is hijacked in many pathological conditions. This affects MHC class I levels and peptide presentation at the cell surface leading to immune escape of cancer cells or microbes. It is therefore important to identify the molecular mechanisms behind MHC class I expression, processing and antigen presentation. The identification of NLRC5 as regulator of MHC class I transcription was a huge step forward in understanding the transcriptional mechanism involved. Nevertheless, many questions concerning MHC class I transcription are yet unsolved. Here we illuminate current knowledge on MHC class I and NLRC5 transcription, we highlight some remaining questions and discuss the use of quickly developing high-content screening tools to reveal unknowns in MHC class I transcription in the near future. PMID- 29224919 TI - Assessment of Tapentadol API Abuse Liability With the Researched Abuse, Diversion and Addiction-Related Surveillance System. AB - : Tapentadol, a Schedule II opioid with a combination of u-opioid activity and norepinephrine reuptake inhibition, is used for the management of moderate to severe acute and chronic pain. Its dual mechanism of action is thought to reduce opioid-related side effects that can complicate pain management. Since approval, tapentadol has been tracked across multiple outcomes suggesting abuse liability, and a pattern of relatively low, although not absent, abuse liability has been found. This retrospective cohort study further details the abuse liability of tapentadol as an active pharmaceutical ingredient (API) when immediate-release as well as extended-release formulations were on the market together (fourth quarter of 2011 to second quarter of 2016). Tapentadol (API) was compared with tramadol, hydrocodone, morphine, oxycodone, hydromorphone, and oxymorphone across Poison Center, Drug Diversion, and Treatment Center Programs Combined data streams from the Researched Abuse, Diversion and Addiction-Related Surveillance system. Findings suggest the public health burden related to tapentadol to date is low, but present. Event rates of abuse per population-level denominators were significantly lower than all other opioids examined. However, when adjusted for drug availability, event rates of abuse were lower than most Schedule II opioids studied, but were not the lowest. Disentangling these 2 sets of findings further by examining various opioid formulations, such as extended-release and the role of abuse-deterrent formulations, is warranted. PERSPECTIVE: This article presents the results from an examination of tapentadol API across the Researched Abuse, Diversion and Addiction-Related Surveillance System: a broad and carefully designed postmarketing mosaic. Data to date from Poison Center, Drug Diversion, and Treatment Centers combined suggest a low, but present public health burden related to tapentadol. PMID- 29224920 TI - [Pharmaceutical cognitive doping in students: a chimeric way to get-a-head?] AB - For students, the pressing demands for memorization, top-level performance, and peer competition create an environment favorable for pharmaceutical cognitive doping behavior. We aimed to describe recent practices and the benefit / risk ratio of such behavior and to discuss the issues at stake. The prevalence of pharmaceutical cognitive doping among students has been reported from 1.3% to 33% across studies, with variations depending on country and definition of pharmaceutical cognitive doping. The therapeutic classes most frequently cited as being diverted for doping purposes are psychostimulants and nootropics (methylphenidate, modafinil, piracetam), corticosteroids, sedative drugs and beta blockers. Some illegal substances such as cannabis, amphetamines and cocaine are also consumed in order to boost mental function. Finally, over-the-counter products, such as caffeine-based tablets or energy drinks, or alcohol, are also widely used by students whose motivations involve enhanced performance, concentration, memory, and staying awake during the revision and exam period. However, the expected (often fantasized) effectiveness of these products does not correspond to the reality of a modest controversial impact on cognitive performance. There appears to be an emerging profile of the student more inclined to doping behavior. Cognitive doping thus raises the question of its regulation, opening a debate opposing, on one hand, individual freedom and supposed collective benefits and, on the other hand, health consequences, educational (in)equality, and the risk of tarnished academic success. Strengthening school and university medicine, through prevention campaigns and the identification of subjects at risk, is essential to limit the extent, risk, and damages associated with such practices. PMID- 29224921 TI - Effects of acrylamide on oxidant/antioxidant parameters and CYP2E1 expression in rat pancreatic endocrine cells. AB - Oxidative stress is one of the principle mechanism of acrylamide-induced toxicity. Acrylamide is metabolized by cytochrome P450 2E1 (CYP2E1) to glycidamide or by direct conjugation with glutathione. Bearing in mind that up to now the effects of acrylamide on oxidative stress status and CYP2E1 level in endocrine pancreas have not been studied we performed qualitative and quantitative immunohistochemical evaluation of inducible nitric oxide synthase (iNOS), superoxide dismutase 1 (SOD1), superoxide dismutase 2 (SOD2), catalase (CAT) and CYP2E1 expression in islets of Langerhans of rats subchronically treated with 25 or 50mg/kg bw of acrylamide. Since the majority of cells (>80%) in rodent islets are beta cells, in parallel studies, we employed the Rin-5F beta cell line to examine effects of acrylamide on redox status and the activity of CAT, SOD and glutathione-S-transferase (GST), their gene expression, and CYP2E1, NF-E2 p45-related factor 2 (Nrf2) and iNOS expression. Immunohistochemically stained pancreatic sections revealed that acrylamide induced increase of iNOS and decrease of CYP2E1 protein expression, while expression of antioxidant enzymes was not significantly affected by acrylamide in islets of Langerhans. Analysis of Mallory-Azan stained pancreatic sections revealed increased diameter of blood vessels lumen in pancreatic islets of acrylamide-treated rats. Increase in the GST activity, lipid peroxidation and nitrite level, and decrease in GSH content, CAT and SOD activities was observed in acrylamide-exposed Rin-5F cells. Level of mRNA was increased for iNOS, SOD1 and SOD2, and decreased for GSTP1, Nrf2 and CYP2E1 in acrylamide-treated Rin-5F cells. This is the first report of the effects of acrylamide on oxidant/antioxidant parameters and CYP2E1 expression in pancreatic endocrine cells. PMID- 29224922 TI - Neurons and satellite glial cells in adult rat lumbar dorsal root ganglia express connexin 36. AB - Previous studies have shown that following peripheral nerve injury there was a downregulation of the gap junction protein connexin 36 (Cx36) in the spinal cord; however, it is not known whether Cx36 protein is expressed in the dorsal root ganglia (DRGs), nor if its levels are altered following peripheral nerve injuries. Here we address these aspects in the adult rat lumbar DRG. Cx36 mRNA was detected using qRT-PCR, and Cx36 protein was identified in DRG sections using immunohistochemistry (IHC) and immunofluorescence (IF). Double staining revealed that Cx36 co-localizes with both anti-beta-III tubulin, a neuronal marker, and anti-glutamine synthetase, a satellite glial cell (SGC) marker. In neurons, Cx36 staining was mostly uniform in somata and fibers of all sizes and its intensity increased at the cell membranes. This labeling pattern was in contrast with Cx36 IF dots mainly found at junctional membranes in islet beta cells used as a control tissue. Co-staining with anti-Cx43 and anti-Cx36 showed that whereas mostly uniform staining of Cx36 was found throughout neurons and SGCs, Cx43 IF puncta were localized to SGCs. Cx36 mRNA was expressed in normal lumbar DRG, and it was significantly down-regulated in L4 DRG of rats that underwent sciatic nerve injury resulting in persistent hypersensitivity. Collectively, these findings demonstrated that neurons and SGCs express Cx36 protein in normal DRG, and suggested that perturbation of Cx36 levels may contribute to chronic neuropathic pain resulting from a peripheral nerve injury. PMID- 29224923 TI - Allele-specific methylation of type 1 diabetes susceptibility genes. AB - The susceptibility to autoimmune diseases is influenced by genes encoding major histocompatibility complex (MHC) proteins. By examining the epigenetic methylation maps of cord blood samples, we found marked differences in the methylation status of CpG sites within the MHC genes (cis-metQTLs) between carriers of the type 1 diabetes risk haplotypes HLA-DRB1*03-DQA1*0501-DQB1*0201 (DR3-DQ2) and HLA-DRB1*04-DQA1*0301-DQB1*0302 (DR4-DQ8). These differences were found in children and adults, and were accompanied by reduced HLA-DR protein expression in immune cells with the HLA-DR3-DQ2 haplotype. Extensive cis-metQTLs were identified in all 45 immune and non-immune type 1 diabetes susceptibility genes analyzed in this study. We observed and validated a novel association between the methylation status of CpG sites within the LDHC gene and the development of insulin autoantibodies in early childhood in children who are carriers of the highest type 1 diabetes risk genotype. Functionally relevant epigenetic changes in susceptibility genes may represent therapeutic targets for type 1 diabetes. PMID- 29224924 TI - Prevalence of spontaneous Brugada ECG pattern recorded at standard intercostal leads: A meta-analysis. AB - OBJECTIVE: Typical Brugada ECG pattern is the keystone in the diagnosis of Brugada syndrome. However, the exact prevalence remains unclear, especially in Asia. The present study was designed to systematically evaluate the prevalence of spontaneous Brugada ECG pattern recorded at standard leads. METHODS: We searched the Medline, Embase and Chinese National Knowledge Infrastructure (CNKI) for studies of the prevalence of Brugada ECG pattern, published between Jan 1, 2003, and September 1, 2016. Pooled prevalence of type 1 and type 2-3 Brugada ECG pattern were estimated in a random-effects model, and group prevalence data by the characteristic of studies. Meta-regression analyses were performed to explore the potential sources of heterogeneity, and sensitivity analyses were conducted to assess the effect of each study on the overall prevalence. RESULTS: Thirty nine eligible studies involving 558,689 subjects were identified. Pooled prevalence of type 1 and 2-3 Brugada ECG pattern was 0.03% (95%CI, 0.01%-0.06%), and 0.42% (95%CI, 0.28%-0.59%), respectively. Regions, sample size, year of publication were the main source of heterogeneity. The prevalence of type 1 Brugada ECG pattern was higher in male, Asia, adult, patient, and fever subjects; but the relation between fever and type 2-3 Brugada ECG pattern was not significant. Sensitivity analysis showed that each study did not lonely affect the prevalence of type 1 and type 2-3 Brugada ECG pattern. CONCLUSION: Brugada ECG pattern is not rare, especially preponderant in adult Asian males, and fever subjects. Clinical screening and further examination of Brugada syndrome in potential population need to be highlighted. PMID- 29224925 TI - Incidence and clinical characteristics of sudden cardiac death in adult congenital heart disease. AB - BACKGROUND: The life expectancy of adults with congenital heart disease (CHD) has significantly improved in recent decades, with non-cardiovascular causes of death now competing with traditional cardiovascular causes. The risk of sudden cardiac death (SCD), a devastating event, still remains elevated above that of the general population. METHODS: We reviewed 2935 patients in our adult CHD database (age>=16years, seen at least once in our centre) and documented all cases of SCD between 2000-2015. Incidence and characteristics of SCD cases by congenital defect and complexity of disease were determined. RESULTS: We documented 35 cases of SCD, with an incidence of 0.4 deaths/1000patientyears (py). Incidence in simple, moderate and complex congenital categories was 0.04/1000py, 0.57/1000py and 2.0/1000py respectively. The highest risk category was Eisenmenger syndrome, with an incidence of 4.8 deaths/1000py. Moderate risk lesions included transposition of the great arteries (atrial switch surgery or congenitally corrected) and Fontan circulations. Repaired tetralogy, atrial septal defect and left ventricular outflow tract lesions were all relatively low risk. We observed a high prevalence of atrial arrhythmias (43%) and QRS prolongation (mean 132ms) in our SCD cases. CONCLUSIONS: The adult CHD population remains at an elevated risk for SCD, particularly in the setting of complex underlying defects. Moderate to high risk lesions include Eisenmenger syndrome, transposition of the great arteries (atrial switch or congenitally corrected) and Fontan circulations. PMID- 29224926 TI - Fully Automated Detection and Quantification of Macular Fluid in OCT Using Deep Learning. AB - PURPOSE: Development and validation of a fully automated method to detect and quantify macular fluid in conventional OCT images. DESIGN: Development of a diagnostic modality. PARTICIPANTS: The clinical dataset for fluid detection consisted of 1200 OCT volumes of patients with neovascular age-related macular degeneration (AMD, n = 400), diabetic macular edema (DME, n = 400), or retinal vein occlusion (RVO, n = 400) acquired with Zeiss Cirrus (Carl Zeiss Meditec, Dublin, CA) (n = 600) or Heidelberg Spectralis (Heidelberg Engineering, Heidelberg, Germany) (n = 600) OCT devices. METHODS: A method based on deep learning to automatically detect and quantify intraretinal cystoid fluid (IRC) and subretinal fluid (SRF) was developed. The performance of the algorithm in accurately identifying fluid localization and extent was evaluated against a manual consensus reading of 2 masked reading center graders. MAIN OUTCOME MEASURES: Performance of a fully automated method to accurately detect, differentiate, and quantify intraretinal and SRF using area under the receiver operating characteristics curves, precision, and recall. RESULTS: The newly designed, fully automated diagnostic method based on deep learning achieved optimal accuracy for the detection and quantification of IRC for all 3 macular pathologies with a mean accuracy (AUC) of 0.94 (range, 0.91-0.97), a mean precision of 0.91, and a mean recall of 0.84. The detection and measurement of SRF were also highly accurate with an AUC of 0.92 (range, 0.86-0.98), a mean precision of 0.61, and a mean recall of 0.81, with superior performance in neovascular AMD and RVO compared with DME, which was represented rarely in the population studied. High linear correlation was confirmed between automated and manual fluid localization and quantification, yielding an average Pearson's correlation coefficient of 0.90 for IRC and of 0.96 for SRF. CONCLUSIONS: Deep learning in retinal image analysis achieves excellent accuracy for the differential detection of retinal fluid types across the most prevalent exudative macular diseases and OCT devices. Furthermore, quantification of fluid achieves a high level of concordance with manual expert assessment. Fully automated analysis of retinal OCT images from clinical routine provides a promising horizon in improving accuracy and reliability of retinal diagnosis for research and clinical practice in ophthalmology. PMID- 29224927 TI - Central Visual Field Damage and Parapapillary Choroidal Microvasculature Dropout in Primary Open-Angle Glaucoma. AB - PURPOSE: To determine whether microvasculature dropout (MvD) in the parapapillary choroid is related to the presence of central visual field defects in primary open-angle glaucoma (POAG). DESIGN: Cross-sectional observational study. PARTICIPANTS: Thirty-two POAG patients with an initial parafoveal scotoma (IPFS) within a 10 degrees radius in 1 hemifield and 42 POAG patients with an initial nasal step (INS) within the nasal periphery outside 10 degrees of fixation in 1 hemifield. METHODS: The peripapillary choroidal microvasculature was evaluated on en face images obtained using swept-source OCT angiography. Microvasculature dropout was defined as a focal sectoral capillary dropout with no visible microvascular network identified in the choroidal layer. Factors associated with IPFS, compared with INS, were assessed using logistic regression analyses. MAIN OUTCOME MEASURES: Factors associated with IPFS rather than INS. RESULTS: Microvasculature dropout was observed in 25 of 32 eyes (78.1%) in the IPFS group, but in only 1 of 42 eyes (2.4%) in the INS group (P < 0.001). In logistic regression analyses, only MvD was a significant factor influencing the presence of IPFS. Systemic risk factors such as cold extremities (P = 0.026), migraine (P = 0.044), lower mean arterial pressure (P = 0.037), and lower ocular perfusion pressure (P = 0.024) were associated significantly with the presence of MvD. CONCLUSIONS: The presence of MvD in the parapapillary choroid was a strong predictor for IPFS. PMID- 29224929 TI - Anaerobic biodegradation of dissolved ethanol in a pilot-scale sand aquifer: Variability in plume (redox) biogeochemistry. AB - The use of ethanol in alternative fuels has led to contamination of groundwater with high concentrations of this easily biodegradable organic compound. Previous laboratory and field studies have shown vigorous biodegradation of ethanol plumes, with prevalence of reducing conditions and methanogenesis. The objective of this study was to further our understanding of the dynamic biogeochemistry processes, especially dissolved gas production, that may occur in developing and aging plume cores at sites with ethanol or other organic contamination of groundwater. The experiment performed involved highly-detailed spatial and temporal monitoring of ethanol biodegradation in a 2-dimensional (175cm high*525cm long) sand aquifer tank for 330days, with a vertical shift in plume position and increased nutrient inputs occurring at ~Day 100. Rapid onset of fermentation, denitrification, sulphate-reduction and iron(III)-reduction occurred following dissolved ethanol addition, with the eventual widespread development of methanogenesis. The detailed observations also demonstrate a redox zonation that supports the plume fringe concept, secondary reactions resulting from a changing/moving plume, and time lags for the various biodegradation processes. Additional highlights include: i) the highest dissolved H2 concentrations yet reported for groundwater, possibly linked to vigorous fermentation in the absence of common terminal electron-acceptors (i.e., dissolved oxygen, nitrate, and sulphate, and iron(III)-minerals) and methanogenesis; ii) evidence of phosphorus nutrient limitation, which stalled ethanol biodegradation and perhaps delayed the onset of methanogenesis; and iii) the occurrence of dissimilatory nitrate reduction to ammonium, which has not been reported for ethanol biodegradation to date. PMID- 29224930 TI - Transport of dissolved organic matter in Boom Clay: Size effects. AB - A coupled experimental-modelling approach was developed to evaluate the effects of molecular weight (MW) of dissolved organic matter (DOM) on its transport through intact Boom Clay (BC) samples. Natural DOM was sampled in-situ in the BC layer. Transport was investigated with percolation experiments on 1.5cm BC samples by measuring the outflow MW distribution (MWD) by size exclusion chromatography (SEC). A one-dimensional reactive transport model was developed to account for retardation, diffusion and entrapment (attachment and/or straining) of DOM. These parameters were determined along the MWD by implementing a discretisation of DOM into several MW points and modelling the breakthrough of each point. The pore throat diameter of BC was determined as 6.6-7.6nm. Below this critical size, transport of DOM is MW dependent and two major types of transport were identified. Below MW of 2kDa, DOM was neither strongly trapped nor strongly retarded. This fraction had an averaged capacity factor of 1.19+/-0.24 and an apparent dispersion coefficient ranging from 7.5*10-11 to 1.7* 10-11m2/s with increasing MW. DOM with MW>2kDa was affected by both retardation and straining that increased significantly with increasing MW while apparent dispersion coefficients decreased. Values ranging from 1.36 to 19.6 were determined for the capacity factor and 3.2*10-11 to 1.0*10-11m2/s for the apparent dispersion coefficient for species with 2.2kDa=70% stenosis was identified by arterial duplex ultrasound or angiography. Kaplan-Meier survival curves were plotted, and differences between groups were tested by log-rank method. RESULTS: Between 2004 and 2014, primary femoral or popliteal stenting was performed on 308 limbs in 250 patients. At the time of intervention, 52.4% of these patients were being treated with statin therapy; 137 interventions were done for claudication and 113 for critical limb ischemia. Of the lesions treated, 165 were TASC A or B and 85 were TASC C or D. Primary patency rates for all stented lesions were 75%, 54%, and 35% at 12, 24, and 36 months. The patency rates at 12, 24, and 36 months, respectively, were 80%, 55%, and 40% for those taking statins and 68%, 49%, and 28% for those not taking statins (P = .178). Statin therapy demonstrated a trend toward an association with improved primary patency rates in TASC A/B lesions but had no association in TASC C/D lesions (TASC A/B, P = .056; TASC C/D, P = .537). Statin compliance was found to be 87% at a mean follow-up of 24.1 months. CONCLUSIONS: Although the use of statins has been shown to reduce cardiovascular morbidity and mortality in patients with peripheral vascular disease, overall there is not an association of these drugs with improved primary patency after primary stenting of femoral and popliteal artery lesions. However, when limbs are stratified for severity, less severe (TASC A/B) lesions demonstrated a trend toward a significant association between statin use and improved primary patency. This finding was not seen in more severe (TASC C/D) disease. PMID- 29224940 TI - Results of nonoperative management of acute limb ischemia in infants. AB - OBJECTIVE: Acute limb ischemia (ALI) in infants poses a challenge to the clinician secondary to poor operative outcomes, limb loss risk, and lifelong morbidity. This retrospective study reviewed a 10-year institutional experience with the nonoperative management of ALI in infants. METHODS: Infants (aged <=12 months) diagnosed with ALI by duplex ultrasound and treated with initial nonoperative management at a tertiary care children's hospital were identified through vascular laboratory arterial duplex ultrasound records and International Classification of Diseases and Current Procedural Terminology codes associated with ALI. Demographics of the patients, injury characteristics, treatment administered, and outcomes were abstracted by chart review and presented using descriptive statistics. RESULTS: During the study period, a total of 25 (28% female) infant patients were diagnosed with ALI. The average age for this cohort was 3.5 +/- 3.2 months (standard deviation). Most cases were secondary to iatrogenic injury (88%) from arterial cannulation. Injury sites were more concentrated to the lower extremities (84%) compared with the upper. Absence of Doppler signals was noted in 64% of infants, whereas limb cyanosis was observed in 60% at the time of presentation. Infants were initially treated with anticoagulation (80%) when possible. Two patients failed to respond to nonoperative management and required thrombolysis secondary to progression of thrombus burden while anticoagulated. There were no major (above-ankle) amputations at 30 days. Three deaths occurred within 30 days; all were unrelated to limb ischemia. In the 30-day survivors, overall duration of follow-up was 53.5 +/- 38.5 months. One infant required above-knee amputation 6 weeks after diagnosis, resulting in an overall limb salvage rate of 96% on follow-up. Long term morbidity included two patients with a chronic wound of the affected limb and one patient with limb length discrepancy. No subjects reported claudication at the latest follow-up appointment. In addition, all patients were independently ambulatory except for one adolescent girl who was using a walker with leg braces. CONCLUSIONS: In contrast to the adult population, ALI in infants can be managed with anticoagulation alone with good results. Long-term follow-up continues to demonstrate excellent functional results and minimal disability. PMID- 29224941 TI - Open surgery versus endovascular approach in treatment of extracranial carotid artery aneurysms. AB - OBJECTIVE: The objective of this study was to investigate and to compare the early and long-term results of open surgery with endovascular intervention in the treatment of extracranial carotid artery aneurysms (ECCAs). METHODS: A retrospective review of patients diagnosed with ECCAs who underwent open surgical or endovascular treatment from 1997 to 2017 was performed. Clinical characteristics, aneurysm profile, and treatment outcomes were recorded. Early results (<30 days) were evaluated in terms of mortality, perioperative stroke or transient ischemic attack, and cranial nerve injury. Late results were analyzed in terms of both overall and stroke-free survival and freedom from reinterventions. RESULTS: A total of 48 patients with ECCAs including 34 (70.8%) true aneurysms and 14 (29.2%) pseudoaneurysms were treated. The median age was 51 years, and 19 patients (39.6%) were men; 41 patients (85.4%) had symptoms, whereas 7 (14.6%) were asymptomatic. Among 48 patients, 32 patients (66.7%) underwent open surgery; endovascular repair was performed on 16 patients (33.3%). The 30-day stroke or transient ischemic attack rate was not significantly different between the open group (6.3% [2/32]) and the endovascular group (0% [0/16]; P = .307). Cranial nerve injuries occurred in eight patients in the open group (25%) and in no patient in the endovascular group (0%; P = .029). Median length of stay was significantly longer in the open group than in the endovascular group (20 vs 14 days, respectively; P = .013). Median follow-up was 46 months (range, 0-20 years), and no aneurysm-related death occurred during this period. Overall survival rates at 5 years were 88.7% (standard error [SE], 0.08) in the open group and 91.7% (SE, 0.08) in the endovascular group (P = .319; log rank, .992). For the same time interval, stroke-free survival rates were 85.2% (SE, 0.10) in the open group and 92.2% (SE, 0.07) in the endovascular group (P = .653; log-rank, .201). One patient (1/28 [3.6%]) in the open group and two patients (2/16 [12.5%]) in the endovascular group underwent endovascular reinterventions because of restenosis during the follow-up period. Reintervention free survival rates were 90.9% in the open group (SE, 0.09) and 69.2% in the endovascular group (SE, 0.21; P = .082; log-rank, 3.016). CONCLUSIONS: In this single-institutional experience, both operative and endovascular interventions for ECCAs provided acceptable early and 5-year results. The endovascular approach had significantly less cranial nerve injury and shorter length of hospital stay. PMID- 29224942 TI - Fenestrated endovascular aortic aneurysm repair using physician-modified endovascular grafts versus company-manufactured devices. AB - OBJECTIVE: Fenestrated endografts are customized, patient-specific endovascular devices with potential to reduce morbidity and mortality of complex aortic aneurysm repair. With approval from the U.S. Food and Drug Administration, our center began performing fenestrated endovascular aneurysm repair through a physician-sponsored investigational device exemption (IDE #G130210), using both physician-modified endografts (PMEGs) and company-manufactured devices (CMDs). Because these techniques are associated with specific advantages and disadvantages, we sought to investigate differences in outcomes between PMEG and CMD cases. METHODS: A single-institution retrospective review of all fenestrated endovascular aneurysm repairs was performed. The cohort was analyzed by device type (PMEG or CMD) after matching of cases on the basis of (1) number of target vessels intended for treatment, (2) extent of aneurysm, (3) aneurysm diameter, (4) device configuration, and (5) date of operation. Outcomes of ruptures, common iliac artery aneurysms, and aortic arch aneurysms were excluded. Demographics, operative details, perioperative complications, length of stay, and reinterventions were compared. For patients with >1 year of follow-up time, survival, type I or type III endoleak rate, target artery patency, and reintervention rate were estimated using the Kaplan-Meier method. RESULTS: Between November 30, 2010, and July 30, 2016, 82 patients were identified and matched. The cohort included 41 PMEG and 41 CMD patients who underwent repair of 38 juxtarenal (PMEG, 17; CMD, 21; P = .38), 14 pararenal (PMEG, 6; CMD, 8; P = .56), and 30 thoracoabdominal type I to type IV (PMEG, 18; CMD, 12; P = .17) aneurysms. There were significant differences in presentation requiring urgent aneurysm repair (PMEG, 9; CMD, 0; P = .002), total fluoroscopy time (PMEG, 76 minutes; CMD, 61 minutes; P = .02), volume of contrast material used (PMEG, 88 mL; CMD, 70 mL; P = .02), in-operating room to out-of-operating room time (PMEG, 391 minutes; CMD, 319 minutes; P = .001), incision to surgery end time (PMEG, 276 minutes; CMD, 224 minutes; P = .002), and 1-year reintervention rate (PMEG, 37%; CMD, 13%; log-rank P = .04). No differences in perioperative complications, overall length of stay, type I or type III endoleak, or survival were observed between PMEG and CMD. For the entire cohort including both PMEG and CMD, the overall rate of any 30-day postoperative complication was 39%, and the Kaplan Meier estimate of survival at 1 year was 86%. CONCLUSIONS: In this single institution experience of fenestrated endovascular aneurysm repair, the primary differences between PMEG and CMD related only to operative metrics and the need for postoperative reinterventions. No statistically significant advantage was found for one approach over the other; we therefore cannot conclude that one approach is better than the other. Both remain viable options that may compare favorably with open repair of complex aortic aneurysms. Further studies are necessary to determine whether this relative equivalence represents a type II error or lack of long-term durability data or whether true equivalence between PMEG and CMD approaches exists. PMID- 29224943 TI - Outcomes after early and delayed carotid endarterectomy in patients with symptomatic carotid artery stenosis. AB - OBJECTIVE: The objective of this study was to define outcomes after carotid endarterectomy (CEA) in patients with symptomatic carotid artery stenosis (CAS) when patients are operated on within 14 days after onset of symptoms. METHODS: Clinical data of consecutive patients who underwent CEA between 2003 and 2012 for symptomatic CAS were reviewed. Patients were classified into group 1, CEA <=14 days of minor stroke or transient ischemic attack, and group 2, CEA >14 days. Primary end point was stroke/death; secondary end points were stroke, death, and myocardial infarction. RESULTS: There were 233 patients (32% female; mean age, 72 +/- 9.1 years) who underwent 238 CEAs. Group 1 included 57 CEAs in 56 patients; 11 CEAs were performed at 0 to 2 days, 23 at 3 to 7 days, and 23 at 8 to 14 days. Group 2 included 181 CEAs in 177 patients. One death (group 2) and five strokes (group 1, four; group 2, one) occurred at 30 days (stroke/death, 2.6%), more in group 1 vs group 2 (7.1% vs 1.1%; P = .03). In group 1, three strokes occurred when the patients were operated on within 2 days (27% [3/11]), more than at 3 to 7 days (0% [0/22]) or 8 to 14 days (4.3% [1/23]; P = .008). Patients operated on between days 3 and 14 had similar stroke/death rate to those operated on after 14 days (2.2% vs 1.1%; P = .49). Myocardial infarction occurred in six patients (2.5%; group 1, 0% [0/57]; group 2, 3.3% [6/177]; P = .34). Median follow-up was 7.0 years (interquartile range, 4.6-9.9 years). Freedoms from stroke/death were similar between groups (hazard ratio [HR], 1.22; 95% confidence interval [CI], 0.75-1.99; P = .42), 69% for group 1 and 76% for group 2 at 5 years. Age >=80 years, high surgical risk, and no preoperative P2Y12 antagonist use predicted stroke/death. Freedoms from any stroke were similar in groups (HR, 2.46; 95% CI, 0.95-6.41; P = .06); survivals were also similar (HR, 1.12; 95% CI, 0.67-1.87; P = .67) at 5 years. CONCLUSIONS: In this single-center study, CEA in symptomatic patients had a 30-day stroke/death rate of 2.6%. Age >=80 years and high surgical risk predicted late stroke or death; taking P2Y12 antagonists was associated with late stroke. High stroke rates when patients were operated on immediately support CEA after 2 days in symptomatic patients with CAS. PMID- 29224944 TI - Use of the Wound, Ischemia, foot Infection classification system in hemodialysis patients after endovascular treatment for critical limb ischemia. AB - OBJECTIVE: The Wound, Ischemia, foot Infection (WIfI) classification system is used to predict the amputation risk in patients with critical limb ischemia (CLI). The validity of the WIfI classification system for hemodialysis (HD) patients with CLI is still unknown. This single-center study evaluated the prognostic value of WIfI stages in HD patients with CLI who had been treated with endovascular therapy (EVT). METHODS: A retrospective analysis was performed of collected data on CLI patients treated with EVT between April 2007 and December 2015. All patients were classified according to their wound status, ischemia index, and extent of foot infection into the following four groups: very low risk, low risk, moderate risk, and high risk. Comorbidities and vascular lesions in each group were analyzed. The prognostic value of the WIfI classification was analyzed on the basis of the wound healing rate and amputation-free survival at 1 year. RESULTS: This study included 163 consecutive CLI patients who underwent HD and successful endovascular intervention. The rate of the high-risk group (36%) was the highest among the four groups, and the proportions of very-low-risk, low risk, and moderate-risk patients were 10%, 18%, and 34%, respectively. The mean follow-up duration was 784 +/- 650 days. The wound healing rates at 1 year were 92%, 70%, 75%, and 42% in the very-low-risk, low-risk, moderate-risk, and high risk groups, respectively (P <.01). A similar trend was observed for the 1-year amputation-free survival among the groups (76%, 58%, 61%, and 46%, respectively; P = .02). CONCLUSIONS: The WIfI classification system predicted the wound healing and amputation risks in a highly selected group of HD patients with CLI treated with EVT, with a statistically significant difference between high-risk patients and other patients. PMID- 29224945 TI - An age-based comparison of fistula location, patency, and maturation for elderly renal failure patients. AB - OBJECTIVE: Current Kidney Disease Outcomes Quality Initiative guidelines do not incorporate age in determining autogenous arteriovenous hemodialysis access placement, and the optimal initial configuration in elderly patients remains controversial. We compared patency, maturation, survival, and complications between several age cohorts (<65 years, 65-79 years, >80 years) to determine whether protocols should be modified to account for advanced age. METHODS: All patients at two teaching hospitals undergoing a first autogenous arteriovenous access creation in either arm between 2007 and 2013 were retrospectively analyzed from a prospectively maintained database. Kaplan-Meier survival and Cox hazards models were used to compare access patency and risk factors for failure. RESULTS: There were 941 autogenous arteriovenous accesses (median follow-up, 23 months; range, 0-89 months) eligible for inclusion; 152 (15.3%) accesses were created in those >80 years, 397 (42.2%) in those 65 to 79 years, and 392 (41.8%) in those <65 years. Primary patencies in patients >80 years, 65 to 79 years, and <65 years were 40% +/- 4%, 38% +/- 3%, and 51% +/- 3% at 12 months and 12% +/- 5%, 13% +/- 3%, and 27% +/- 3% at 36 months (P < .001). Primary assisted patencies were 72% +/- 4%, 70% +/- 2%, and 78% +/- 2% at 12 months and 52% +/- 5%, 52% +/- 3%, and 67% +/- 3% at 36 months (P < .001). Secondary patencies were 72% +/- 4%, 71% +/- 2%, and 79% +/- 2% at 12 months and 54% +/- 5%, 55% +/- 3%, and 72% +/- 3% at 36 months (P < .001). Radiocephalic patencies were lowest among older cohorts; in those >80 years, 65 to 79 years, and <65 years, they were 65% +/- 7%, 67% +/- 4%, and 77% +/- 3% at 12 months and 41% +/- 8%, 51% +/- 5%, and 68% +/- 4% at 36 months (P = .019). Secondary brachiocephalic access patencies in these cohorts were 78% +/- 5%, 80% +/- 3%, and 82% +/- 3% at 12 months and 68% +/- 7%, 66% +/- 5%, and 77% +/- 4% at 36 months (P = .206). Both the age groups 65 to 79 years and >80 years demonstrated superior brachiocephalic vs radiocephalic secondary patencies (P = .048 and P = .015, respectively); however, no differences between configuration and secondary patency were observed within the cohort <65 years. Radiocephalic access maturation failure at 12 and 24 months was 25% +/- 3% and 29% +/- 4% in those <65 years, 32% +/- 3% and 39% +/- 4% in those 65 to 79 years, and 40% +/- 7% and 48% +/- 8% in those >80 years (P = .006). Brachiocephalic access maturation failures were 17% +/- 3% and 20% +/- 3% at 12 and 24 months in those <65 years, 21% +/- 3% and 25% +/- 4% in those 65 to 79 years, and 18% +/- 5% and 21% +/- 5% in those >80 years (P = .740). On multivariate analysis, coronary disease, female sex, previous ipsilateral or bilateral catheters, radiocephalic configuration, and age >65 years were associated with secondary patency loss. CONCLUSIONS: Patients aged 65 to 79 years and >80 years had inferior primary, primary assisted, and secondary patency and maturation compared with those <65 years. When stratified by configuration, radiocephalic accesses demonstrated lower patency and maturation compared with brachiocephalic accesses for patients aged 65 to 79 years and >80 years and were an independent predictor of secondary patency loss. PMID- 29224946 TI - Revision Arthroplasty of the Wrist in Patients With Rheumatoid Arthritis, Mean Follow-Up 6.6 Years. AB - PURPOSE: Management of failed total wrist arthroplasty (TWA) can be challenging; surgical treatment options include salvage arthrodesis, revision arthroplasty, and resection arthroplasty. There are few studies regarding salvage arthrodesis, and revision arthroplasty has been infrequently investigated. The aim of the study was to report the outcome after revision arthroplasty of the wrist. METHODS: A retrospective cohort of 16 revision TWAs was evaluated between 2003 and 2016. Data were collected before surgery and 1 and 5 years after surgery. The indication for revision arthroplasty was failed TWA. The primary end point was implant survival. Secondary outcome measures included visual analog scale (VAS) pain scores, range of motion, handgrip strength, and functional scoring with the Canadian Occupational Performance Measure (COPM), Patient-Rated Wrist Evaluation (PRWE), and Disabilities of the Arm, Shoulder, and Hand (DASH). RESULTS: Mean follow-up was 6.6 years. Synthetic bone graft was used in 9 cases, allograft corticocancellous bone graft in 1 case, and cement in 6 cases. Of the 16 revision TWAs, 4 were re-revised, 1 because of infection, and 3 cases underwent total wrist arthrodesis. In the non-re-revised cases, range of motion and grip strength was preserved compared with preoperative results. The VAS pain score in activity improved, but not significantly, at 1 (median, 1; range, 0-4.5) and 5 years after surgery (median, 0) compared with before surgery (median, 5). The COPM performance and satisfaction as well as PRWE scores improved significantly at 1 year (median COPM performance, 4.8; COPM satisfaction, 5.6; and PRWE, 24) and improved, but not significantly, at the 5-year follow (median COPM performance, 4.8; COPM satisfaction, 5.0; and PRWE, 37) in the non-re-revised cases. CONCLUSIONS: Revision arthroplasty of the wrist is a valid motion-preserving option to wrist arthrodesis in the management of failed TWA. However, the outcome is uncertain and as many as 25% require additional surgery. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV. PMID- 29224947 TI - Functional Outcomes of Compression Plating and Bone Grafting for Operative Treatment of Nonunions About the Forearm. AB - PURPOSE: To describe one center's experience with nonunion of one or both bones of the forearm and report on the functional recovery of patients treated for a single- or 2-bone forearm nonunion. METHODS: We performed a retrospective analysis of 23 patients who presented to our institution over an 11-year period and underwent surgical repair of a forearm nonunion (radius, ulna, or both bones). The main outcome measurements included time to union, visual analog scale pain scores, range of motion, Short Musculoskeletal Function Assessment scores, and postoperative complications. RESULTS: Of the 23 patients, 21 (91.3%) healed their nonunion after a single surgical procedure. All patients ultimately healed their nonunion; 7 patients were healed at 3-month follow-up, 11 healed at 6-month follow-up, and 5 healed at 12-month follow-up. Mean visual analog scale pain scores improved considerably from presentation to latest follow-up. The mean range of motion at the latest follow-up was as follows: elbow 130.9 degrees flexion-extension arc, forearm 78.5 degrees pronation/77.8 degrees supination, and wrist 76.1 degrees palmar flexion/74.3 degrees dorsiflexion. Mean Short Musculoskeletal Function Assessment arm and hand index scores improved significantly from baseline to the latest follow-up. Mean Short Musculoskeletal Function Assessment function, activity, and bothersome indices demonstrated improvement, though this was not statistically significant. Two patients required further surgery to achieve osseous union. One patient sustained an iatrogenic posterior interosseous nerve palsy, which resolved spontaneously. CONCLUSIONS: Repair of forearm nonunion with compression plating and bone grafting provides reliable clinical and functional outcomes. Patients treated surgically for nonunion of one or both of the forearm bones can expect to heal with the potential for considerable improvements in pain and function postoperatively. TYPE OF STUDY/LEVEL OF EVIDENCE: Therapeutic IV. PMID- 29224948 TI - A Modified Foot and Ankle Score for Assessing Patient Outcomes After First Metatarsophalangeal Arthrodesis. AB - First metatarsophalangeal (MTP) arthrodesis is commonly used to treat many end stage first MTP diseases. The most widely used scale for measuring the clinical outcomes after this procedure, the American Orthopaedic Foot and Ankle Society Hallux Metatarsophalangeal-Interphalangeal scale, has not been adequately validated and does not measure specific foot functions. Another outcome measure, the patient-reported Foot and Ankle Outcome Score (FAOS) has acceptable construct validity but poor content validity. The FAOS scale has 42 questions, many of which are unrelated to the hallux. We designed a short-form FAOS (sf-FAOS) consisting of 11 questions that are more relevant to first MTP arthrodesis. The sf-FAOS includes a pain subscale and a function subscale, and the score of each subscale ranges from 0 (worst outcome) to 100 (best outcome). Our study has shown that the sf-FAOS scale has acceptable validity, reliability, and responsiveness. In 21 feet (16 patients) with hallux valgus after >1 year of follow-up, the mean sf-FAOS pain score had improved by 44.9 points after surgery (from 51.2 to 96.0; p < .001), and the mean sf-FAOS function score had improved by 22.5 points (from 47.3 to 69.8; p <.001). The improvement in the function score for running and jumping was limited. PMID- 29224949 TI - Endoscopic Plantar Fasciotomy Through Two Medial Portals for the Treatment of Recalcitrant Plantar Fasciopathy. AB - Plantar fasciopathy is a common cause of heel pain. Endoscopic plantar fasciotomy has the advantage of less surgical trauma and rapid recovery. The aim of the present prospective study was to delineate the results of endoscopic plantar fascia release through 2 medial portals. The present study included 2 groups. The first group included 27 feet in 25 patients that had undergone endoscopic plantar fascia release followed up for 19.7 (range 12 to 33) months. The second group, the control group, included 20 feet in 16 patients treated conservatively and followed up for 16.4 (range 12 to 24) months. The results of endoscopic plantar fascia release were superior to the conservative methods. The surgically treated group experienced significantly less pain, activity limitations, and gait abnormality. The presence of a calcaneal spur had no effect on the final postoperative score. In conclusion, endoscopic plantar fascia release through 2 medial portals is an effective procedure for treatment of resistant plantar fasciopathy that fails to respond to conservative management options. PMID- 29224950 TI - mRNA, microRNA and lncRNA as novel bladder tumor markers. AB - Early detection of bladder cancer (BC) is essential for improvement of the patient's prognosis and general survival rates. Current diagnostic methods are still limited, so new specific and cost-effective biomarkers are emerging as the noninvasive tools in treatment decisions in recurrent BC. Gene expression and epigenetic profile can be analysed using quantitative real-time-PCR (qRT-PCR) method in urine, blood and tissue. This review provides an update of recent findings on BC molecular profile as novel markers in diagnosis and prognosis of bladder tumors. We describe mRNA-, microRNA- and lncRNA-based biomarkers involved in the BC detection, diagnosis, prediction of recurrence and monitoring after treatment. PMID- 29224951 TI - Design and synthesis of sulfonamidophenylethylureas as novel cardiac myosin activator. AB - To optimize the lead urea scaffold 1 and 2 as selective cardiac myosin ATPase activator, a series of urea derivatives have been synthesized to explore its structure activity relationship. Among them N,N-dimethyl-4-(2-(3-(3 phenylpropyl)ureido)ethyl)benzenesulfonamide (13, CMA = 91.6%, FS = 17.62%; EF = 11.55%), N,N-dimethyl-4-(2-(1-methyl-3-(3-phenylpropyl)ureido)ethyl)benzene sulfonamide (40, CMA = 52.3%, FS = 38.96%; EF = 24.19%) and N,N-dimethyl-4-(2-(3 methyl-3-(3-phenylpropyl)ureido)ethyl)benzenesulfonamide (41, CMA = 47.6%, FS = 23.19%; EF = 15.47%) proved to be efficient to activate the cardiac myosin in vitro and in vivo. Further the % change in ventricular cell contractility at 5 MUM of 13 (47.9 +/- 3.2), 40 (45.5 +/- 2.4) and 41 (63.5 +/- 2.2) showed positive inotropic effect in isolated rat ventricular myocytes. The potent compounds 13, 40, 41 were highly selective for cardiac myosin over skeletal and smooth muscle myosin, thus proving them these new urea derivatives is a novel scaffold for discovery of cardiac myosin activators for the treatment of systolic heart failure. PMID- 29224952 TI - MUL+DO: a multicomponent index for the quick diagnosis of peritonitis in peritoneal dialysis patients. AB - Peritoneal infection is a common problem that has a negative impact on the survival of patients and the technique. The early administration of peritoneal infection treatment reduces complications. The goal of this study is to propose a multicomponent index (MUL+DO) for the quick and efficient diagnosis of peritoneal infection. We selected a training cohort of peritoneal effluent samples which were analysed by Multistix (r) 10 SG Siemens test strips for leukocyte detection. Then, each sample was examined according to the gold standard: number of leukocytes, polymorphonuclear percentage and microbiological culture. We constructed the MUL+DO index by adding one point to the MULTISTIX [0-1-2-3] modified chromatic scale if the patient reported pain. The MUL+DO index ranged from 0 to 4. A model validation cohort was then created. MUL+DO was applied to each sample and leukocytes and polymorphonuclear percentage were also assessed. The training cohort ultimately included 134 samples, 34 of which with infection (25.4% [17.6-33.1]). Samples with a MUL+DO value greater than 1 presented a sensitivity and specificity of 100%. The validation cohort included 100 samples with 16 infections (16% [8.3-23.7]). Assuming a sample with a MUL+DO value greater than 1 to be positive, we obtained a sensitivity of 100% and a specificity of 95.2%. The MUL+DO index applied to the training cohort showed a perfect separation of the positive and negative populations. All positive patients presented a score >=2. In the validation cohort, the MUL+DO reported a sensitivity of 100% and a specificity of 95.2%. PMID- 29224953 TI - Nephropathology and nephrology. The need for a change. PMID- 29224954 TI - Reference ranges of thromboelastography in premature neonates? Still a long way to go. PMID- 29224955 TI - Reference intervals of citrated-native whole blood thromboelastography in premature neonates. PMID- 29224956 TI - Bidirectional shift of group III metabotropic glutamate receptor-mediated synaptic depression in the epileptic hippocampus. AB - A common function of group III metabotropic glutamate receptors (mGluRs) located at the presynaptic site of a glutamatergic synapse is synaptic depression. Here, we studied synaptic depression mediated by group III mGluR activation at Schaffer collateral-CA1 (SC-CA1) synapses and associational-commissural-CA3 (AC-CA3) synapses by recording field excitatory postsynaptic potentials in the in vitro brain slice preparation. In order to gauge the impact of synaptic depression in chronically epileptic tissue, we compared rats after pilocarpine-induced status epilepticus (post-SE) with control animals. We observed that synaptic transmission at control AC-CA3 synapses was sensitive to the group III mGluR agonist L-AP4 (10MUM), while there was no effect of this compound at SC-CA1 synapses in the same tissue. In contrast, synaptic depression at AC-CA3 synapses by L-AP4 was lost in chronically epileptic tissue, and we found a significant synaptic depression at SC-CA1 synapses in post-SE tissue by L-AP4 and by the mGluR8-selective agonist DCPG. The depression by L-AP4 and DCPG in CA1 was also demonstrated in immature control tissue suggesting developmental down-regulation of mGluR8 at this synapse as well as re-appearance of this isoform under pathological conditions. Quantitative real-time RT-PCR was used to identify mGluR isoforms and to assess their transcriptional changes in post-SE tissue. These analyses revealed down-regulation of mGluR4 and mGluR6 at AC-CA3 and up regulation of mGluR8 at SC-CA1 synapses. We conclude that group III mGluR mediated synaptic depression is differentially altered in chronically epileptic tissue by a bidirectional shift of the transcriptional level. PMID- 29224957 TI - Stuck in a Bind With Phosphate Binders. PMID- 29224958 TI - Renal Involvement in Neuropathy, Ataxia, Retinitis Pigmentosa (NARP) Syndrome: A Case Report. AB - We report a case of a patient who had the mitochondrial cytopathy complex of neuropathy, ataxia, and retinitis pigmentosa (NARP) syndrome diagnosed at age 11 years with a biopsy-proven kidney involvement that progressed to end-stage renal disease at age 21 years. Mutations of mitochondrial DNA (mtDNA) are maternally inherited and lead to mitochondrial cytopathies with predominant neurologic manifestations: psychomotor retardation, epilepsy, ataxia, neuropathy, and myopathy. Given the ubiquitous nature of mitochondria, cellular dysfunction can also appear in tissues with high metabolic turnover; thus, there can be cardiac, digestive, ophthalmologic, and kidney complications. Mutations in the MT-ATP6 gene of mtDNA have been shown to cause NARP syndrome without renal involvement. We report a patient who had NARP syndrome diagnosed at age 11 years in whom glomerular proteinuria was present very early after diagnosis. Although neurologic manifestations were stable over time, he developed worsening proteinuria and kidney function. He started dialysis therapy at age 21 years. Kidney biopsy confirmed the mitochondrial cytopathy histologically, with abnormal mitochondria seen on electron microscopy. The MT-ATP6 gene mutation was detected in the kidney biopsy specimen. PMID- 29224959 TI - Metabolomics approaches in experimental allergic encephalomyelitis. AB - A myelin basic protein (MBP)-induced experimental allergic encephalomyelitis (EAE) involves paraplegia due to a reversible thoracolumbar spinal cord impairment. The aims of this study were thus to find significant metabolic biomarkers of inflammation and identify the site of inflammation in the central nervous system (CNS) during the acute signs in of the disease using metabolomics. All the EAE samples were associated with higher levels of lactate, ascorbate, glucose and amino acids, and decreased level of N-acetyl-aspartate (NAA) compared to the control group. A decreased NAA level has been particularly shown in lumbar spinal cord in relationship with the clinical signs. PMID- 29224960 TI - Persons with secondary progressive and relapsing remitting multiple sclerosis reveal different responses of tryptophan metabolism to acute endurance exercise and training. AB - Disturbances in Tryptophan metabolism play a crucial role in multiple sclerosis (MS). Exercise is suspected to counteract the progress of MS and its side effects. Current research suggests alterations of Tryptophan metabolism in healthy individuals in response to exercise. We investigated the influence of acute aerobic exercise and training on Tryptophan metabolism in 57 inpatients with relapsing remitting ((RRMS) n=33) and secondary progressive ((SPMS) n=24) MS. Serotonin increased after training, whereas the kynurenine pathway was only activated in persons with RRMS. Further research is warranted to investigate whether these changes are associated with clinical measures (e.g. depressions and immune function). PMID- 29224961 TI - Effective combination of methylprednisolone and interferon beta-secreting mesenchymal stem cells in a model of multiple sclerosis. AB - Methylprednisolone (MP) has been recommended as a standard drug in MS therapies. We previously demonstrated that IFNbeta-secreting human bone marrow-derived mesenchymal stem cells (MSCs-IFNbeta) exert immunomodulatory effects in experimental autoimmune encephalomyelitic (EAE) mice. In this study, we evaluated whether a combined treatment of MP and MSCs-IFNbeta had enhanced therapeutic effects on EAE mice. The combination treatment resulted in enhanced immunomodulatory effects, including reduced production of pro-inflammatory cytokines and increased production of anti-inflammatory cytokines. Thus, our results provide a framework for designing novel experimental protocols to enhance the therapeutic effects of existing MS treatments. PMID- 29224962 TI - Incidence of invasive pneumococcal disease before and during an era of use of three different pneumococcal conjugate vaccines in Quebec. AB - BACKGROUND: In Quebec, 7-valent (PCV7), 10-valent (PCV10) and 13-valent (PCV13) pneumococcal conjugate vaccines were successively used for the immunization of children according to a 2+1 doses schedule. OBJECTIVE: Our aim was to assess the impact of this program on the epidemiology of invasive pneumococcal disease (IPD) in children and adults. METHODS: Notification and laboratory surveillance data were analyzed and the immunization status of IPD cases in children was checked. RESULTS: In children < 5 years, the IPD rate decreased from 69/100,000 in 2003 to 12/100,000 in 2016 (83% reduction). Following PCV7 introduction in 2004, there has been a rapid decline in PCV7-type IPD cases and 6A. 7F and 19A serotypes emerged but their incidence decreased following PCV10 introduction in 2009 and PCV13 in 2011, whereas decrease in serotype 3 IPD was modest. Non-PCV13 types increased and represented 79% of cases in 2016. The same pattern was seen in adults but replacement was complete and there was no decrease in overall IPD rate. In those 65 years and over, PCV13 serotypes represented 28% of cases in 2016 and 62% were serotypes included in the 23-valent polysaccharide vaccine. Out of 10 IPD cases caused by serotype 3 in children vaccinated with PCV13 in 2011 2016, 6 occurred more than one year following the booster dose, which suggests short-term protection. Out of 31 breakthrough 19A cases, 19 occurred in children aged between 8 and 14 months who had received the 2 primary PCV13 doses but not the toddler booster dose, which suggests a window of susceptibility in a 2+1 schedule. CONCLUSION: PCVs had a major impact on the IPD rate in children but not in adults. Among elderly adults, the proportion of cases caused by serotypes included in PCV13 is diminishing year after year but a majority of cases remains covered by the 23-valent polysaccharide vaccine. PMID- 29224963 TI - Meeting report: Initial World Health Organization consultation on herpes simplex virus (HSV) vaccine preferred product characteristics, March 2017. AB - The development of vaccines against herpes simplex virus (HSV) is an important global goal for sexual and reproductive health. A key priority to advance development of HSV vaccines is the definition of preferred product characteristics (PPCs), which provide strategic guidance on World Health Organization (WHO) preferences for new vaccines, specifically from a low- and middle-income country (LMIC) perspective. To start the PPC process for HSV vaccines, the WHO convened a global stakeholder consultation in March 2017, to define the priority public health needs that should be addressed by HSV vaccines and discuss the key considerations for HSV vaccine PPCs, particularly for LMICs. Meeting participants outlined an initial set of overarching public health goals for HSV vaccines in LMICs, which are: to reduce the acquisition of HIV associated with HSV-2 infection in high HIV-prevalence populations and to reduce the burden of HSV-associated disease, including mortality and morbidity due to neonatal herpes and impacts on sexual and reproductive health. Participants also considered the role of prophylactic versus therapeutic vaccines, whether both HSV 2 and HSV-1 should be targeted, important target populations, and infection and disease endpoints for clinical trials. This article summarizes the main discussions from the consultation. PMID- 29224965 TI - Concerted action of dipeptidyl peptidase IV and glutaminyl cyclase results in formation of pyroglutamate-modified amyloid peptides in vitro. AB - Compelling evidence suggests a crucial role of amyloid beta peptides (Abeta(1 40/42)) in the etiology of Alzheimer's disease (AD). The N-terminal truncation of Abeta(1-40/42) and their modification, e.g. by glutaminyl cyclase (QC), is expected to enhance the amyloid toxicity. In this work, the MALDI-TOF mass spectrometry application proved N-terminal cleavage of Abeta(1-40/42) by purified dipeptidyl peptidase IV (DPPIV) in vitro observed earlier. The subsequent transformation of resulted Abeta(3-40/42) to pE-Abeta(3-40/42) in QC catalyzed glutamate cyclization was manifested. Hence, consecutive conversion of Abeta(1 40/42) by DPPIV and QC can be assumed as a potential mechanism of formation of non-degrading pyroglutamated pE-Abeta(3-40/42), which might accumulate and contribute to AD progression. The in vitro acceleration of Abeta(1-40) aggregation in the simultaneous presence of DPPIV and QC was shown also. PMID- 29224964 TI - One or two doses of live varicella virus-containing vaccines: Efficacy, persistence of immune responses, and safety six years after administration in healthy children during their second year of life. AB - BACKGROUND: This phase III B follow-up of an initial multicenter study (NCT00226499) will evaluate the ten-year efficacy of two doses of the combined measles-mumps-rubella-varicella vaccine (MMRV) and one dose of the live attenuated varicella vaccine (V) versus a measles-mumps-rubella control group (MMR) for the prevention of clinical varicella disease. Here we present efficacy results for six years post-vaccination. METHODS: In phase A of the study, healthy children aged 12-22 months from ten European countries were randomized (3:3:1) and received either two doses of MMRV, or one dose of combined MMR and one dose of monovalent varicella vaccine (MMR+V), or two doses of the MMR vaccine (control), 42 days apart. Vaccine efficacy against all and against moderate or severe varicella (confirmed by detection of viral DNA or epidemiological link) was assessed from six weeks up to six years post-dose 2 for the MMRV and MMR+V groups, and was calculated with 95% confidence intervals (CI). The severity of varicella was calculated using the modified Vazquez scale (mild <= 7; moderately severe = 8-15; severe >= 16). Herpes zoster cases were also recorded. RESULTS: 5289 children (MMRV = 2279, mean age = 14.2, standard deviation [SD] = 2.5; MMR+V = 2266, mean age = 14.2, SD = 2.4; MMR = 744, mean age = 14.2, SD = 2.5 months) were included in the efficacy cohort. 815 varicella cases were confirmed. Efficacy of two doses of MMRV against all and against moderate or severe varicella was 95.0% (95% CI: 93.6-96.2) and 99.0% (95% CI: 97.7-99.6), respectively. Efficacy of one dose of varicella vaccine against all and against moderate or severe varicella was 67.0% (95% CI: 61.8-71.4) and 90.3% (95% CI: 86.9-92.8), respectively. There were four confirmed herpes zoster cases (MMR+V = 2, MMR = 2), all were mild and three tested positive for the wild-type virus. CONCLUSIONS: Two doses of the MMRV vaccine and one dose of the varicella vaccine remain efficacious through six years post-vaccination. PMID- 29224966 TI - Variations in follicle-diameter deviation and a growth spurt in the dominant follicle at deviation in Bos taurus heifers. AB - Follicle diameter deviation during a follicular wave in cattle is preceded by a common-growth phase and begins with continued growth rate of the future dominant follicle (DF or F1) and reduced growth rate of the future largest subordinate follicle (SF or F2). Follicle diameters were analyzed daily for wave 1 (n=100) and wave 2 (n=91). The beginning of expected deviation was designated day 0 and was defined as the day the largest follicle was closest to 8.5mm. Conventional classification of deviation (F2>=7.0mm at expected deviation) was more frequent (P<0.0001) in wave 1 (59%) than in wave 2 (35%); deviation began abruptly. An F2 undersized classification (F2<7.0mm at expected deviation) was greater (P<0.0001) for wave 2 (40%) than for wave 1 (15%); separation of diameters of F1 and F2 occurred gradually during the last 2days of the common-growth phase. The growth rate of F1 in conventional deviations of wave 1 was greater (P<0.002) on days 0 to 1 (1.8+/-0.1mm/day) than on days -1 to 0 (1.5+/-0.1mm/day). Several other novel growth spurts of F1 were observed in association with deviation including during switching of diameter rank between F1 and F2 in each of waves 1 and 2. Hypotheses were supported that (1) conventional deviation is more common during wave 1 whereas F2-undersized deviation is more common during wave 2 and (2) a transient growth spurt occurs in F1 of wave 1 at the beginning of diameter deviation. PMID- 29224967 TI - Ovarian follicular dynamics and conception rate in Bos indicus cows with different antral follicle counts subjected to timed artificial insemination. AB - Two experiments in Nelore cows subjected to timed artificial insemination (TAI) were designed to compare the influence of the antral follicle count (AFC/AFCs) on (1) ovarian follicular dynamics and (2) conception rates. First, multiparous cows with high (>=45 follicles; n=43) or low (<=15 follicles; n=32) AFCs were selected to undergo a TAI protocol to monitor ovarian follicular dynamics. Second, the AFCs of 962 cows also subjected to TAI were determined and classified as groups of high (G-high; >=45 follicles; n=194), intermediate (G-intermediate; >=20<=40 follicles, n=397) or low (G-low; <=15 follicles; n=243) AFCs. In study I, the ovarian measurements (diameter, perimeter and area) were greater (P<=0.05) and there was a greater consistency in number of antral follicles during the period of synchronization for TAI in the high than low group. Effects of the AFC and ultrasonic evaluation interval on the follicular diameter were observed (P<=0.05); however, there was no interaction (P>0.05). Dominant follicles had greater diameters (P<=0.05) in the G-low than in the G-high at D4 (7.3+/-2.2 vs. 6.2+/-1.4mm, respectively, P=0.06), D8 (11.2+/-1.8 vs. 9.5+/-1.8mm, respectively), D9 (12.3+/-1.7 vs. 10.6+/-1.7mm, respectively), and D10 (13.4+/ 1.3 vs. 12.2+/-1.8mm, respectively), as well as greater estimated diameters of ovulatory follicles (14.4+/-1.5 vs. 13.4+/-2.1mm, respectively, P=0.08). In study II, the cows with fewer AFCs had greater (P<=0.05) conception rates (61.7%) than the cows with the intermediate (52.9%) and greater (49.5%) AFCs. Nelore cows with fewer AFCs subjected to synchronization of time of ovulation had a larger follicular diameter and a greater conception rate than the groups with intermediate and a greater AFCs. PMID- 29224968 TI - Adjunctive treatment with brexpiprazole and escitalopram reduces behavioral stress responses and increase hypothalamic NPY immunoreactivity in a rat model of PTSD-like symptoms. AB - The study explored effects of brexpiprazole (partial D2/5-HT1A agonist, 5-HT2A and alpha1B/2C-adrenoceptor antagonist) in rats exposed to predator scent stress (PSS), a proposed model of PTSD-like phenotype. Brexpiprazole (3.0mg/kg, PO), escitalopram (5.0mg/kg, IP) and their combination were administered twice daily for 14 days, starting 14 days after exposure to PSS or sham-PSS, shortly after a situational stress reminder. One day after last treatment behavioral responsivity was assessed. Brexpiprazole+escitalopram-treated rats spent more time in open arms, entered open arms more often and exhibited a lower anxiety index in the elevated plus maze than vehicle-treated, PSS-exposed rats. Adjunct brexpiprazole+escitalopram treatment reduced startle amplitude, compared with vehicle-treated, PSS-exposed rats. Treatment with either drug alone did not attenuate anxiety-like behaviors following PSS exposure. Use of cut-off behavioral criteria confirmed that adjunct treatment shifted prevalence of PSS exposed rats from extreme towards minimal behavioral responders. One day following behavioral tests, brains were prepared for immunohistochemical analysis of number of BDNF-positive cells and of NPY-positive cells/fibers. PSS exposure decreased BDNF levels in hippocampus, but this was not affected by drug treatments. PSS exposure decreased number of NPY positive cells/fibers in paraventricular and arcuate nuclei of hypothalamus. Adjunct treatment with brexpiprazole+escitalopram increased NPY in PSS- and sham-exposed rats. Treatment with brexpiprazole alone had no effects, while treatment with escitalopram alone increased NPY in the arcuate nucleus of PSS-exposed rats. In conclusion, treatment with brexpiprazole+escitalopram may be an effective intervention for the attenuation of PTSD-like stress responses, which in part may be mediated by activating NPY function. PMID- 29224969 TI - Aberrant development of the asymmetry between hemispheric brain white matter networks in autism spectrum disorder. AB - Atypical brain asymmetry/lateralization has long been hypothesized for autism spectrum disorder (ASD), and this model has been repeatedly supported by various neuroimaging studies. Recently, hemispheric network topologies have been found to be asymmetric, thereby providing a new avenue for investigating brain asymmetries under various conditions. To date, however, how network topological asymmetries are altered in ASD remains largely unexplored. To clarify this, the present study included ASD individuals from the newly released Autism Brain Imaging Data Exchange II database (58 right-handed male ASD individuals aged 5 to 26 years and 70 age- and IQ-matched typically developing (TD) individuals). Diffusion and structural magnetic resonance imaging were used to construct hemispheric white matter networks, and graph-theory approaches were applied to quantify topological efficiencies for hemispheric networks. Statistical analyses revealed a decreased rightward asymmetry of network efficiencies with increasing age in the TD group, but not in the ASD group. More specifically, the TD group did not exhibit an age related increase in network efficiency in the right hemisphere, but the ASD group did. For the left hemisphere, no difference between the groups was observed for the developmental trajectory of network efficiencies. Intriguingly, within the ASD group, more severe restricted and repetitive behavior in ASD was found to be correlated with less rightward asymmetry of network local efficiency. These findings provide suggestive evidence of atypical network topological asymmetries and offer important insights into the abnormal development of ASD brains. PMID- 29224970 TI - Management of conjunctival perforation and late Seidel after XEN(r) surgery. AB - CLINICAL CASE: The case concerns a 78 year-old woman with a history of XEN(r) surgery, in whom a conjunctival perforation was observed at the implant level at 18-months of follow-up, for which surgical intervention was decided. During surgery a short subconjunctival portion was found (0.5mm). An unsuccessful attempt was made to extract it by traction, but the XEN(r) broke easily. Finally, it was decided to cut it to scleral level, and suture the conjunctiva. During the first week there was a decrease in intraocular pressure (6mmHg), to subsequently increase to 25, and deciding to start medical treatment. DISCUSSION: Conjunctival exposure of the XEN(r) stent is a rare but potentially serious complication. To avoid it, a meticulous surgical technique is important when implanting it. If this occurs, it is important to identify the cause. If it is due to a short subconjunctival portion, a therapeutic alternative is to cut the implant at this level to avoid further complications. PMID- 29224971 TI - Biomechanical effects of a mandibular advancement device on the temporomandibular joint. AB - PURPOSE: Mandibular advancement devices are commonly used in the treatment of patients with mild to moderate obstructive sleep apnea (OSA). Designed to maintain the mandible in forced protrusion while being worn, mandibular advancement devices (MADs) are intended to increase the upper airway during sleep, thereby reducing OSA symptoms. Depending on the extent of mandibular protrusion, side effects including temporomandibular joint dysfunction are frequently reported. These are likely to reduce overall treatment success by affecting therapeutic adherence. MATERIAL AND METHODS: To investigate the biomechanical effects of an MAD on the temporomandibular joints, we used a biomechanical model of the human masticatory system. Alterations to the model were applied to mimic the effects of a titratable duoblock MAD. The extent of mandibular protrusion was simulated up to 10 mm in steps of 1 mm. Compression and shear stresses on the temporomandibular structures were predicted during an open close maneuver and in neutral position. RESULTS: As the extent of mandibular advancement increased, the mandibular condyle migrated anteriorly until passing the articular tubercle. Stress on the temporomandibular joint structures did not considerably increase in rest whatever the extent of mandibular advancement. However, closure of the jaw required extra muscle force as mandibular advancement increased. CONCLUSION: Results from this study suggest that temporomandibular dysfunction following MAD wearing might be related to altered muscle dynamics rather than changes due to increased stress in the temporomandibular joint itself. PMID- 29224972 TI - Immunohistochemistry, carcinomas of unknown primary, and incidence rates. AB - Pathologists use immunohistochemistry is their day-to-day practices to assist in distinguishing site of origin of metastatic carcinomas. Here, the work-up is discussed neuroendocrine carcinomas, squamous cell carcinomas and adenocarcinomas with particular attention to tumor incident rates and predictive values of the best-performing immunohistochemical markers. PMID- 29224973 TI - Residual pulmonary embolism as a predictor for recurrence after a first unprovoked episode: Results from the REVERSE cohort study. AB - BACKGROUND: The optimal duration of oral anticoagulant therapy after a first, unprovoked venous thromboembolism is controversial due to tightly balanced risks and benefits of indefinite anticoagulation. Risk stratification tools may assist in decision making. OBJECTIVES: We sought to determine the relationship between residual pulmonary embolism assessed by baseline ventilation-perfusion scan after completion of 5-7months of oral anticoagulant therapy and the risk of recurrent venous thromboembolism in patients with the first episode of unprovoked pulmonary embolism. METHODS: We conducted a multicentre prospective cohort study of participants with a first, unprovoked venous thromboembolism enrolled after the completion of 5-7months of oral anticoagulation therapy. The participants completed a mean 18-month follow-up. Participants with pulmonary embolism had baseline ventilation-perfusion scan before discontinuation of oral anticoagulant therapy and the percentage of vascular obstruction on baseline ventilation perfusion scan was determined. During follow-up after discontinuation of oral anticoagulant therapy, all episodes of suspected recurrent venous thromboembolism were independently adjudicated with reference to baseline imaging. MEASUREMENTS AND MAIN RESULTS: During follow-up, 24 of 239 (10.0%) participants with an index event of isolated pulmonary embolism or pulmonary embolism associated with deep vein thrombosis and central assessment of percentage of vascular obstruction on baseline ventilation-perfusion scan had confirmed recurrent venous thromboembolism. As compared to participants with no residual pulmonary embolism on baseline ventilation-perfusion scan, the hazard ratio for recurrent venous thromboembolism was 2.0 (95% CI 0.5-7.3) for participants with percentage of vascular obstruction of 0.1%-4.9%, 2.1 (95% CI 0.5-7.8) for participants with percentage vascular obstruction of 5.0%-9.9% and 5.3 (95% CI 1.8-15.4) for participants with percentage vascular obstruction greater than or equal to 10%. CONCLUSIONS: Residual pulmonary embolism assessed by pulmonary vascular obstruction on baseline ventilation-perfusion performed after 5-7months of oral anticoagulant therapy for the first episode of unprovoked pulmonary embolism was associated with a statistically significant higher risk of subsequent recurrent venous thromboembolism. Percentage of pulmonary vascular obstruction assessment by ventilation-perfusion scans maybe a useful tool to help guide the duration of oral anticoagulant therapy after a first unprovoked pulmonary embolism. TRIAL REGISTRATION: Registered at www.clinicaltrials.gov identifier: NCT00261014. PMID- 29224974 TI - Evaluation of the potential of pelletized biomass from different municipal solid wastes for use as solid fuel. AB - Four different municipal solid wastes (dog manure, horse manure, apple pomace waste and tea waste) and an industrial by-product (NovoGro) were used to produce solid fuel pellets. The mixtures followed a raw material to NovoGro ratio of 50:1. The pellets diameters varied between 4 and 5 mm, and the average length was 20 mm. The dog manure, horse manure, apple pomace waste and tea waste pellets were denoted as DN, HN, AN and TN, respectively. The combustion characteristics of the pelletized fuels were investigated, such as total moisture, ash content, calorific value and ash fusion point, etc. The physicochemical properties were analyzed by using a number of analytical techniques including X-ray fluorescence spectrometry (XRF), X-ray diffraction spectrometry (XRD), scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The results of the mechanical, thermal and morphological properties show that the raw materials were effectively combined with the NovoGro binder; furthermore, the DN, HN and TN pellets exhibited excellent mechanical and thermal properties, including high calorific values (>16.30 MJ/kg), high resistance to mechanical shock (>99%), high volatile matter contents, optimal softening temperatures and optimal ash contents. However, the high K, Ca, and Si contents of the AN can form low-melting-point eutectics, which can cause slagging. Moreover, the AN materials had large particle sizes, and high cellulose and hemicellulose contents led to high total moistures, low softening temperatures and low calorific values. The AN was not suitable for use as a fuel. The results suggested that NG is an effective binder for pelletization of biomass and showed the feasibility of using municipal solid wastes for energy production. PMID- 29224975 TI - Metarhizium alvesii sp. nov.: A new member of the Metarhizium anisopliae species complex. AB - A strain within the Metarhizium anisopliae species complex was isolated in 2009 from a soil sample in a banana plantation in the municipality of Quixere, Northeastern region of Brazil. Previous studies showed that this insect pathogenic strain does not fit with any current taxon within the M. anisopliae species complex, as determined by both genomic and by mass spectrometric analyses. In the present study, CG1123 (=ARSEF 13308) is shown to be morphologically indistinguishable from most species in this cosmopolitan species complex, whereas multilocus phylogeny confirmed its uniqueness and supports its recognition as a new species, Metarhizium alvesii, in honor of Sergio Batista Alves, one of the founders of insect pathology in Brazil. PMID- 29224976 TI - Body composition and clinical symptoms in patients with hip or knee osteoarthritis: Results from the KHOALA cohort. AB - OBJECTIVE: To analyze the associations between body composition, notably low lean mass, and clinical symptoms [pain, physical function, quality of life (QoL)] in patients with symptomatic hip and/or knee OA. METHODS: Cross-sectional study using data from the 3-year follow-up visit of the Knee and Hip OsteoArthritis Long-term assessment (KHOALA) cohort. Skeletal muscle and fat mass were measured by dual X-ray absorptiometry (DXA). Fat mass index (FMI) was defined as total fat mass/height2. Appendicular lean mass was adjusted on body mass index (ALM/BMI), and low lean mass was defined according to the definition of FNIH Sarcopenia Project recommendations. Pain and function were measured by the WOMAC index and QoL by the SF-36. RESULTS: In total, 358 patients underwent DXA (67% women, mean [SD] age 63.4 [8.4] years, mean BMI 29.5 [5.6]kg/m2). The visual analog scale (0 100) pain score was 38.0 [24.7] and 25.4% had hip and 74.6% knee OA. Low lean mass and ALM/BMI were associated with impaired QoL and WOMAC scores on bivariate analysis (all p <= 0.001) but not on multivariate analysis after adjustment for FMI. For patients with normal BMI, mean [SD] WOMAC scores were higher (greater impairment) with low lean mass than normal body composition (WOMAC function 33.4 [23.3] and 24.0 [17.4], p = 0.02), and mean SF-36 physical component score was lower (greater impairment) 40.3 [10.2] and (44.3 [8.4], p = 0.04). Among patients with obesity, low lean mass had no additional effect. CONCLUSION: For patients with OA and normal BMI, QoL and function were more impaired for those with than without low lean mass. Conserving muscle mass in people with OA could have functional and antalgic benefits especially for those with normal BMI. PMID- 29224977 TI - Corrigendum to "Molecular and phylogenetic analyses of Salmonella Gallinarum trace the origin and diversification of recent outbreaks of fowl typhoid in poultry farms" [Vet. Microbiol. 212 (2017) 80-86]. PMID- 29224978 TI - Andean cutaneous leishmaniasis (Andean-CL, uta) in Peru and Ecuador: the vector Lutzomyia sand flies and reservoir mammals. AB - The vector Lutzomyia sand flies and reservoir host mammals of the Leishmania parasites, causing the Andean cutaneous leishmaniasis (Andean-CL, uta) in Peru and Ecuador were thoroughly reviewed, performing a survey of literatures including our unpublished data. The Peruvian L. (V.) peruviana, a principal Leishmania species causing Andean-CL in Peru, possessed three Lutzomyia species, Lu. peruensis, Lu. verrucarum and Lu. ayacuchensis as vectors, while the Ecuadorian L. (L.) mexicana parasite possessed only one species Lu. ayacuchensis as the vector. Among these, the Ecuadorian showed a markedly higher rate of natural Leishmania infections. However, the monthly and diurnal biting activities were mostly similar among these vector species was in both countries, and the higher rates of infection (transmission) reported, corresponded to sand fly's higher monthly-activity season (rainy season). The Lu. tejadai sand fly participated as a vector of a hybrid parasite of L. (V.) braziliensis/L. (V.) peruviana in the Peruvian Andes. Dogs were considered to be principal reservoir hosts of the L. (V.) peruviana and L. (L.) mexicana parasites in both countries, followed by other sylvatic mammals such as Phyllotis andium, Didelphis albiventris and Akodon sp. in Peru, and Rattus rattus in Ecuador, but information on the reservoir hosts/mammals was extremely poor in both countries. Thus, the Peruvian disease form demonstrated more complicated transmission dynamics than the Ecuadorian. A brief review was also given to the control of vector and reservoirs in the Andes areas. Such information is crucial for future development of the control strategies of the disease. PMID- 29224979 TI - Perceptions, knowledge, attitudes and practices for the prevention and control of lymphatic filariasis in Conakry, Republic of Guinea. AB - Little is known about the perceptions, attitudes and practices of lymphatic filariasis in Conakry, Republic of Guinea. Yet, such knowledge is important for an optimal design and implementation of setting-specific prevention and control measures. We conducted a cross-sectional study using a mixed methods approach. Qualitative data related to people's general experience with lymphatic filariasis, their perception of the causes of the disease, the onset of elephantiasis, care-seeking behaviour and the socioeconomic impact of lymphatic filariasis were collected through in-depth interviews with 85 respondents. Quantitative data related to strategies for prevention and the knowledge of the causes of the disease were collected by interviewing 429 people. A total of 514 individuals (313 females and 201 males), aged 10-84 years, participated. Most participants were well aware of lymphatic filariasis and they recognized the disease mainly by its disfiguring manifestation, collectively termed "elephantiasis" or "leg-swelling disease". Morbidity patterns due to filarial infection showed an increase with age (from 30 to 50 years) independent of sex. Most patients with lymphatic filariasis abandoned their jobs (73.9%) or sought other work (21.7%). The main perceived causes of acquiring lymphatic filariasis were of supernatural origin (as stated by 8.7% of patients and 5.7% of healthy subjects), while mosquito bites were mentioned by fewer participants (4.3% of patients and 4.2% of healthy subjects). A number of other causes were reported that relate to both medical and non-medical conceptions. The study also identified socioeconomic impairments and stigmatization due to elephantiasis. Taken together, community perception of lymphatic filariasis in Conakry is influenced by sociocultural conceptions. Appropriate health education campaigns aimed at enhancing community understanding of the transmission of lymphatic filariasis are required to increase the success of mass drug administration implemented for the elimination of this disease. There is a need for a morbidity management programme to alleviate lymphatic filariasis-related physical and emotional burden in Conakry. PMID- 29224980 TI - Factors responsible for the post-slaughter loss of carcass and offal's in abattoirs in South Africa. AB - Global demand for food is surging upward due to the expansion of human population. Hence food production and supply need to double with little or no waste to meet this demand. Food loss at any point in the farm to fork chain inhibits the stability of food security at household and national level. A retrospective (AR) and a post mortem meat inspection (PMMI) study to identify major causes of offal and carcass condemnation was conducted in three abattoirs namely, Adeliade, Queenstown and East London abattoirs represented as AD, QT, and EL respectively. The retrospective study revealed the main causes of tongue condemnation as abscess (0.08%, 0.03% and 0.05%) and actinobacillosis (0.02%, 0% and 0.02%) respectively. The spleen was condemned due to abscess (0.35%, 0.94% and 0.17%) and splenomegaly (0.21%, 0.55% and 0.2%). The heart was condemned due to cyst (0.24%, 0.36% and 0.2%) and inflammation (0.9%, 1.85%, and 0.75%). While the kidney, was condemned due to cyst (0.08%, 0.23% and 0.16%) and nephritis (0.94%, 1.01% and 1.18%). However, a greater percentage of condemnation was recorded during the active abattoir study. During the same period, partial carcass condemnations were mainly due to bruises (63.3%, 50.4% and 41.0%), abscess (7%, 6% and 14%) and improper evisceration (19%, 31% and 27%). The combined monetary loss due to offal's and carcass condemnation during the AR and PMMI study was estimated as ZAR 255194.4 (34191.5 USD) and ZAR 25958.8 (2570.2 USD) respectively. This study identified major causes of offals and carcass condemnation as abscess, bruises, actinobacillosis, cyst, inflammatory conditions and improper evisceration. It can be used as starting point information for early warning on livestock diseases of economic loss in South Africa. PMID- 29224981 TI - Visuomotor mental rotation of a saccade: The contingent negative variation scales to the angle of rotation. AB - The visuomotor mental rotation (VMR) of a saccade requires a response to a region of space that is dissociated from a stimulus by a pre-specified angle, and work has shown a monotonic increase in reaction times as a function of increasing oblique angles of rotation. These results have been taken as evidence of a continuous process of rotation and have generated competing hypotheses. One hypothesis asserts that rotation is mediated via frontoparietal structures, whereas a second states that a continuous shift in the activity of direction specific neurons in the superior colliculus (SC) supports rotation. Research to date, however, has not examined the neural mechanisms underlying VMR saccades and both hypotheses therefore remain untested. The present study measured the behavioural data and event-related brain potentials (ERP) of standard (i.e., 0 degrees of rotation) and VMR saccades involving 35 degrees , 70 degrees and 105 degrees of rotation. Behavioural results showed that participants adhered to task-based rotation demands and ERP findings showed that the amplitude of the contingent negative variation (CNV) linearly decreased with increasing angle of rotation. The cortical generators of the CNV are linked to frontoparietal structures supporting movement preparation. Although our ERP design does not allow us to exclude a possible role of the SC in the rotation of a VMR saccade, they do demonstrate that such actions are supported by a continuous and cortically based rotation process. PMID- 29224982 TI - Perceptual learning induces changes in early and late visual evoked potentials. AB - Studies of visual cortical responses following visual perceptual learning (VPL) have produced diverse results, revealing neural changes in early and/or higher level visual cortex as well as changes in regions responsible for higher cognitive processes such as attentional control. In this study, we investigated substrates of VPL in the human brain by recording visual evoked potentials with high-density electroencephalography (hdEEG) before (Session 1) and after (Session 2) training on a texture discrimination task (TDT), with two full nights of sleep between sessions. We studied the following event-related potential (ERP) components: C1 (early sensory processing), P1 and N1 (later sensory processing, modulated by top-down spatial attention), and P3 (cognitive processing). Our results showed a significant decrease in C1 amplitude at Session 2 relative to Session 1 that was positively correlated with the magnitude of improvement in behavioral performance. Although we observed no significant changes in P1 amplitude with VPL, both N1 amplitude and latency were significantly decreased in Session 2. Moreover, the difference in N1 latency between Session 1 and Session 2 was negatively correlated with behavioral improvement. We also found a significant increase in P3 amplitude following training. Our results suggest that VPL of the TDT task may be due to plasticity in early visual cortical areas as well as changes in top-down attentional control and cognitive processing. PMID- 29224983 TI - Comparison of sensory structures on the antenna of different species of Philopotamidae (Insecta: Trichoptera). AB - Structure and distribution of sensilla were studied in sixteen species of the caddisfly family Philopotamidae. Their antennae bear numerous curved trichoid and pseudoplacoid sensilla and fewer coronal, styloconic and chaetoid sensilla on the flagellar segments. The most numerous pseudoplacoid sensilla have non-specific localization. The curved trichoid sensilla form clusters ventrally on each antennal segment. Sensilla belonging to coronal, styloconic and chaetoid types have specific positions. Long grooved trichoid sensilla are located nonspecifically in all the studied species. The average number of sensilla per segment decreases from the proximal to distal part of the flagellum. Scapus and pedicellum are devoid of most types of sensilla, however, they bear the Bohm bristles and long trichoid sensilla. A positive correlation between antenna dimensions and its cuticular structures is found. PMID- 29224984 TI - Variations in the opinion of breast surgeons and radiation oncologist regarding indications for radiation therapy after NSM: The need for prospective studies. PMID- 29224985 TI - Management and prognosis of locally recurrent rectal cancer - A national population-based study. AB - BACKGROUND: The rate of local recurrence of rectal cancer (LRRC) has decreased but the condition remains a therapeutic challenge. This study aimed to examine treatment and prognosis in patients with LRRC in Sweden. Special focus was directed towards potential differences between geographical regions and time periods. METHOD: All patients with LRRC as first event, following primary surgery for rectal cancer performed during the period 1995-2002, were included in this national population-based cohort-study. Data were collected from the Swedish Colorectal Cancer Registry and from medical records. The cohort was divided into three time periods, based on the date of diagnosis of the LRRC. RESULTS: In total, 426 patients fulfilled the inclusion criteria. Treatment with curative intent was performed in 149 patients (35%), including 121 patients who had a surgical resection of the LRRC. R0-resection was achieved in 64 patients (53%). Patients with a non-centrally located tumour were more likely to have positive resection margins (R1/R2) (OR 5.02, 95% CI:2.25-11.21). Five-year survival for patients resected with curative intent was 43% after R0-resection and 14% after R1-resection. There were no significant differences in treatment intention or R0 resection rate between time periods or regions. The risk of any failure was significantly higher in R1-resected patients compared with R0-resected patients (HR 2.04, 95% CI:1.22-3.40). CONCLUSION: A complete resection of the LRRC is essential for potentially curative treatment. Time period and region had no influence on either margin status or prognosis. PMID- 29224986 TI - The effectiveness of a modified Metaizeau technique in fixation of adult radial neck fractures: a prospective study with a modification of the Broberg-Morrey classification. AB - BACKGROUND: The incidence of adult radial neck fractures is lower compared with its pediatric counterpart. The literature on adult radial neck fracture management is limited; also, there is a lack of a detailed fracture classification system. In our study, we are evaluating the modified Metaizeau technique for the treatment of adult radial neck fractures. We also describe a modification to the existing fracture classification proposed by Broberg and Morrey to make it more inclusive of different fracture patterns. MATERIALS AND METHODS: This is a prospective case series in which we included all the patients who presented to us with adult radial neck fractures. We used a modified Metaizeau technique to treat these fractures. Postoperatively, patients were followed up for a minimum duration of 1 year with a visual analog scale score, the Mayo Elbow Performance Score, the Oxford Elbow Score, the Disabilities of the Arm, Shoulder, and Hand score, and a subjective satisfaction questionnaire. RESULTS: We included a total of 7 patients who had completed follow-up of 1 year. Of the total 7 cases, 3 cases had an associated radial head fracture (undisplaced), and 1 had an associated radial shaft fracture (segmental pattern). Elastic nails were removed at 6 weeks, and all fractures united. The subjects returned to their preinjury activity levels by the end of 3 months and had excellent outcomes as measured by various outcome scores. CONCLUSION: The modified Metaizeau technique for closed reduction and internal fixation of adult radial neck fractures is effective and simple and has no complications compared with other treatment methods. However, further studies with larger sample sizes are needed to arrive at a more meaningful conclusion. PMID- 29224987 TI - Tobacco Smoke Exposure Association With Lipid Profiles and Adiposity Among U.S. Adolescents. AB - PURPOSE: We investigated the association between tobacco smoke exposure (TSE) as measured by serum cotinine and lipoprotein cholesterols and adiposity in adolescents. METHODS: We performed a secondary analysis of 1999-2012 National Health and Nutrition Examination Survey data including participants 12-19 years old. We examined TSE: unexposed (<.05 ng/mL), passively exposed (.05-2.99 ng/mL), and actively exposed (>=3 ng/mL); lipid profiles: total cholesterol, high-density lipoprotein cholesterol (HDL-C), non-HDL-C, low-density lipoprotein cholesterol (LDL-C), and triglycerides; and adiposity: body mass index z-score (BMIZ), waist circumference (WC), and waist-to-height ratio (WHtR). Covariates were age, sex, race/ethnicity, income, diet, and physical activity. Multiple regression models were used to assess the association between TSE and lipid profile variables separately, and then TSE and adiposity measures separately, adjusting for covariates. We performed logistic regression to examine the association of TSE with body mass index and WHtR classifications. RESULTS: Of the 11,550 participants, 41.7% were unexposed to tobacco smoke, 40.5% were passively exposed, and 17.8% were actively exposed. Compared with unexposed, participants with active TSE had lower total cholesterol, lower HDL-C, and higher triglycerides; higher BMIZ, higher WC, and higher WHtR; participants with passive TSE had lower HDL-C, higher total cholesterol, and higher LDL-C; higher BMIZ, higher WC, and higher WHtR. Participants actively exposed were at increased odds of being obese or WHtR >=.65, and those passively exposed were at increased odds of being overweight, obese, or WHtR >=.65. CONCLUSIONS: Active TSE and passive TSE are differentially associated with factors within the lipid profile and adiposity, independent of covariates. TSE prevention efforts should start as early as childhood and continue throughout adolescence and adulthood. PMID- 29224988 TI - Linking HIV-Negative Youth to Prevention Services in 12 U.S. Cities: Barriers and Facilitators to Implementing the HIV Prevention Continuum. AB - PURPOSE: Linkage of HIV-negative youth to prevention services is increasingly important with the development of effective pre-exposure prophylaxis that complements behavioral and other prevention-focused interventions. However, effective infrastructure for delivery of prevention services does not exist, leaving many programs to address HIV prevention without data to guide program development/implementation. The objective of this study was to provide a qualitative description of barriers and facilitators of linkage to prevention services among high-risk, HIV-negative youth. DESIGN: Thematic analysis of structured interviews with staff implementing linkage to prevention services programs for youth aged 12-24 years. METHODS: Twelve adolescent medicine HIV primary care programs as part of larger testing research program focused on young sexual minority men of color. The study included staff implementing linkage to prevention services programs along with community-based HIV testing programs. The main outcomes of the study were key barriers/facilitators to linkage to prevention services. RESULTS: Eight themes summarized perspectives on linkage to prevention services: (1) relationships with community partners, (2) trust between providers and youth, (3) youth capacity to navigate prevention services, (4) pre exposure prophylaxis specific issues, (5) privacy issues, (6) gaps in health records preventing tailored services, (7) confidentiality of care for youth accessing services through parents'/caretakers' insurance, and (8) need for health-care institutions to keep pace with models that prioritize HIV prevention among at-risk youth. Themes are discussed in the context of factors that facilitated/challenged linkage to prevention services. CONCLUSIONS: Several evidence-based HIV prevention tools are available; infrastructures for coordinated service delivery to high-risk youth have not been developed. Implementation of such infrastructures requires attention to community-, provider , and youth-related issues. PMID- 29224990 TI - The Shift to Same-Day Outpatient Joint Arthroplasty: A Systematic Review. AB - BACKGROUND: Hip and knee arthroplasties length of stay continues to shorten after advances in perioperative and intraoperative management, as well as financial incentives. Some authors have demonstrated good results with outpatient arthroplasty, but safety and general feasibility of such procedures remain unclear. Our hypothesis is that outpatient arthroplasty would demonstrate higher readmission and complication rates than inpatient arthroplasty. METHODS: We performed a systematic review of all publications on outpatient arthroplasty between January 1, 2000 and June 1, 2016. Included publications had to demonstrate a specific outpatient protocol and have reported perioperative complications and unplanned readmissions. Patient demographics, surgical variables, and protocol details were recorded in addition to complications, readmission, and reoperation. RESULTS: Ten manuscripts accounting for 1009 patients demonstrated that 955 (94.7%) were discharged the same day as planned, with the majority of failures to discharge being secondary to pain, hypotension, and nausea. There were no deaths and only 1 major complication. Only 20 patients (1.98%) required reoperation and 20 (1.98%) had readmission or visited the emergency room within 90 days of their operation. In the 2 series recording patient outcomes, 80% and 96% of patients reported that they would choose to undergo outpatient arthroplasty again. CONCLUSION: For carefully selected patients with experienced surgeons in major centers, outpatient arthroplasty may be a safe and effective procedure. Although our data is promising, further study is required to better elucidate the differences between inpatient and outpatient arthroplasty outcomes. PMID- 29224989 TI - Synovial Calprotectin: An Inexpensive Biomarker to Exclude a Chronic Prosthetic Joint Infection. AB - BACKGROUND: To diagnose or exclude a chronic prosthetic joint infection (PJI) can be a clinical challenge. Therefore, sensitive and specific biomarkers are needed in the diagnostic work-up. Calprotectin is a protein with antimicrobial properties and is released by activated neutrophils, making it a specific marker for infection. Because of its low costs and ability to obtain a quantitative value as a point of care test, it is an attractive marker to use in clinical practice. In addition, the test is already used in routine care in most hospitals for other indications and therefore easy to implement. METHODS: Between June 2015 and June 2017 we collected synovial fluid of all consecutive patients who underwent revision surgery of a prosthetic joint because of chronic pain with or without prosthetic loosening. Synovial calprotectin was measured using a lateral flow immunoassay. A PJI was defined by the diagnostic criteria described by the Musculoskeletal Infection Society. RESULTS: Fifty-two patients with chronic pain were included. A PJI was diagnosed in 15 of 52 (29%) patients. The median calprotectin in the PJI group was 859 mg/L (interquartile range 86-1707) vs 7 mg/L (interquartile range 3-25) in the control group (P < .001). With a cut-off value of 50 mg/L, synovial calprotectin showed a sensitivity, specificity, positive predictive value, and negative predictive value of 86.7%, 91.7%, 81.3%, and 94.4%, respectively. CONCLUSION: Synovial calprotectin is a useful and cheap biomarker to use in the diagnostic work-up of patients with chronic pain, especially to exclude a PJI prior to revision surgery. PMID- 29224991 TI - Femoral Component Axial Rotation in the Gap-Balancing Approach to Total Knee Arthroplasty: Measurement by Computed Tomography. AB - BACKGROUND: Rotational malalignment of total knee arthroplasty (TKA) is a potential cause for revision surgery; therefore, it is important to have valid criteria for evaluation of normal component rotational alignment. Because computed tomography (CT) is considered the most accurate method to assess the rotational alignment of prosthetic components, the objectives in this study were define the femoral component (FC) rotation by measuring the posterior condylar angle (PCA) and the condylar twist angle (CTA) in a patient population that underwent gap-balancing TKA; determine the reliability of the FC rotation by using these measurements; evaluate the inter-relationship between the PCA and CTA; and finally evaluate the frequency and agreement in identification of the medial epicondyle sulcus (MES). METHODS AND RESULTS: In this retrospective study, 2 radiologists examined 50 CT scans. Mean PCA values of -2.26 degrees and -2.56 degrees (internal rotation) and CTA values of -5.54 degrees and -6.28 degrees (internal rotation) were attained by 2 observers with a higher interobserver concordance for the PCA. Both measurements were considered to be reliable. There was moderate interobserver agreement for MES identification, with the MES present in 64% and 78% of patients, as identified by 2 observers. CONCLUSION: Mean FC rotation values as evaluated by PCA were -2.26 degrees and -2.56 degrees and as evaluated by CTA were -5.54 degrees and -6.28 degrees . PCA and CTA measurement by CT is reliable; however, the use of PCA is preferable because of the higher observer concordance. PCA can be inferred by subtracting 3 degrees or 4 degrees from the CTA. MES was identified in 64% and 78% of patients, with only moderate interobserver agreement. PMID- 29224992 TI - Experience Influences the Agreement and Reliability of Tibial Component Positioning in Total Knee Arthroplasty. AB - BACKGROUND: Poor rotation of the tibial component is associated with unfavorable total knee arthroplasty outcomes. Some surgeons utilize the tibial tubercle (TT method), while others utilize the femoral cam (Box method) as a rotational landmark during total knee arthroplasty. Our purpose is to determine the reproducibility of 2 methods for establishing intra-operative tibial component rotation, while also comparing the effect of level of training. METHODS: Twelve surgeons positioned and sized a symmetric tibial component on 7 cadaver knees. Surgeons were allowed to utilize their preferred method for establishing tibial component rotation. Seven surgeons selected the TT method, 4 utilized the Box method, and 1 used both methods depending on the specimen. Repeat measurements were completed by each surgeon after a rest period. The differences between tibial tray positions were assessed using computer-assisted optoelectronic measurements. Intra-class correlation coefficients were calculated to determine inter-observer agreement (IOA) and intra-rater reliability (IRR). RESULTS: Overall, both the Box method and the TT method demonstrated high IRR for tibial component rotation. Experienced surgeons were more consistent at establishing component rotation regardless of technique. Trainees were more consistent when utilizing the Box method (IRR 0.96, IOA 0.94) than the TT method (IRR 0.71, IOA 0.72). CONCLUSION: Surgeon experience influences the agreement and reliability of tibial component position. For less experienced surgeons, the Box method was more effective than the TT method for consistently reproducing tibial component rotation. PMID- 29224993 TI - Embolization of the Geniculate Arteries Is an Effective Treatment of Recurrent Hemarthrosis Following Total Knee Arthroplasty That Can Be Safely Repeated. AB - BACKGROUND: Recurrent hemarthrosis is a late complication in up to 1.6% of patients following total knee arthroplasty (TKA). In the absence of intrinsic coagulopathy, one etiology is bleeding of hypertrophic vascular synovium. The aim of this study is to evaluate the clinical outcome of patients referred to our center for angiographic embolization of geniculate arteries for recurrent hemarthrosis following TKA. METHODS: We retrospectively studied a cohort of patients who were referred for geniculate artery embolization following TKA between August 2011 and September 2016. RESULTS: A total of 24 embolization procedures were performed on 14 patients. Seven (50%) of these 14 patients underwent one embolization procedure. Due to symptom recurrence, 4 patients underwent a repeated procedure and 3 patients a third procedure. All embolization procedures were technically successful at the time of the procedure. Two patients reported an inguinal hematoma that healed without further treatment. At follow-up of mean 26.8 months, clinical success was achieved in 12 of the 14 patients (86%). CONCLUSION: Embolization of the geniculate arteries in our study was a safe and effective treatment of recurrent spontaneous hemarthrosis following TKA. Although we have performed a substantial number of reinterventions, results of this study show that this procedure can be safely repeated without adverse events. Our results indicate that embolization could possibly be the treatment of choice when conservative measures fail and can be repeated in the event of recurrent or persistent symptoms. PMID- 29224995 TI - Evaluation of alkylating pyrrole-imidazole polyamide conjugates by a novel method for high-throughput sequencer. AB - N-Methylpyrrole-N-methylimidazole (PI) polyamides are a class of DNA minor groove binders with DNA sequence-specificity. DNA-alkylating PI polyamide conjugates are attractive candidates as anticancer drugs acting through DNA damage and its subsequent inhibition of cell proliferation. One example is a chlorambucil-PI polyamide conjugate targeting the runt-related transcription factor (RUNX) family. RUNX1 has pro-oncogenic properties in acute myeloid leukemia, and recently the chlorambucil-PI polyamide conjugate was demonstrated to have anticancer effects. Herein, we apply another DNA-alkylating agent, seco-CBI, to target the consensus sequence of the RUNX family. Two types of CBI conjugates were prepared and their binding properties were characterized by Bind-n-Seq analysis using a high-throughput sequencer. The sequencing data were analyzed by two methods, MERMADE and our new MR (motif identification with a reference sequence), and the resultant binding motif logos were as predicted from the pairing rules proposed by Dervan et al. This is the first report to employ the MR method on alkylating PI polyamide conjugates. Moreover, cytotoxicity of conjugates 3 and 4 against a human non-small cell lung cancer, A549, were examined to show promising IC50s of 120 nm and 63 nm, respectively. These findings suggest seco-CBI-PI polyamide conjugates are candidates for oncological therapy. PMID- 29224994 TI - Antitussive and expectorant activities of licorice and its major compounds. AB - Licorice has been used as an antitussive and expectorant herbal medicine for a long history. This work evaluated the activities of 14 major compounds and crude extracts of licorice, using the classical ammonia-induced cough model and phenol red secretion model in mice. Liquiritin apioside (1), liquiritin (2), and liquiritigenin (3) at 50 mg/kg (i.g.) could significantly decrease cough frequency by 30-78% (p < .01). The antitussive effects could be partially antagonized by the pretreatment of methysergide or glibenclamide, but not naloxone. Moreover, compounds 1-3 showed potent expectorant activities after 3 days treatment (p < .05). The water and ethanol extracts of licorice, which contain abundant 1 and 2, could decrease cough frequency at 200 mg/kg by 25-59% (p < .05), and enhance the phenol red secretion (p < .05), while the ethyl acetate extract showed little effect. These results indicate liquiritin apioside and liquiritin are the major antitussive and expectorant compounds of licorice. Their antitussive effects depend on both peripheral and central mechanisms. PMID- 29224996 TI - Cost-effectiveness of the non-laboratory based Framingham algorithm in primary prevention of cardiovascular disease: A simulated analysis of a cohort of African American adults. AB - The non-lab Framingham algorithm, which substitute body mass index for lipids in the laboratory based (lab-based) Framingham algorithm, has been validated among African Americans (AAs). However, its cost-effectiveness and economic tradeoffs have not been evaluated. This study examines the incremental cost-effectiveness ratio (ICER) of two cardiovascular disease (CVD) prevention programs guided by the non-lab versus lab-based Framingham algorithm. We simulated the World Health Organization CVD prevention guidelines on a cohort of 2690 AA participants in the Atherosclerosis Risk in Communities (ARIC) cohort. Costs were estimated using Medicare fee schedules (diagnostic tests, drugs & visits), Bureau of Labor Statistics (RN wages), and estimates for managing incident CVD events. Outcomes were assumed to be true positive cases detected at a data driven treatment threshold. Both algorithms had the best balance of sensitivity/specificity at the moderate risk threshold (>10% risk). Over 12years, 82% and 77% of 401 incident CVD events were accurately predicted via the non-lab and lab-based Framingham algorithms, respectively. There were 20 fewer false negative cases in the non-lab approach translating into over $900,000 in savings over 12years. The ICER was $57,153 for every extra CVD event prevented when using the non-lab algorithm. The approach guided by the non-lab Framingham strategy dominated the lab-based approach with respect to both costs and predictive ability. Consequently, the non lab Framingham algorithm could potentially provide a highly effective screening tool at lower cost to address the high burden of CVD especially among AA and in resource-constrained settings where lab tests are unavailable. PMID- 29224997 TI - In vitro assessment of the anti-biofilm activity of ethanol alone and in combination with enoxaparin 60IU. AB - INTRODUCTION: Catheter-related bloodstream infection (C-RBSI) can sometimes be managed without catheter removal by combining systemic therapy with catheter lock therapy. Most antiseptic lock solutions are made up of ethanol combined with an anticoagulant. However, data regarding the anti-biofilm activity of ethanol combined with enoxaparin are scarce. We aimed to assess the efficacy of ethanol at different concentrations combined with enoxaparin 60IU as a lock solution for eradication of the biofilm of different microorganisms. METHODS: Using a static 96-well plate in vitro model, we tested 30%, 35%, and 40% ethanol alone and combined with 60IU of enoxaparin against 24-h-old biofilm from the following microorganisms: Staphylococcus aureus, Staphylococcus epidermidis, Enterococcus faecalis, Escherichia coli, and Candida albicans. Time of exposure was assessed during a 2-h and 24-h regimen. We analysed the percentage reduction in metabolic activity using the XTT assay. We considered therapy to be successful when metabolic activity was reduced by >90%. RESULTS: In the 2-h regimen, the therapy was successful against all microorganisms at 35% and 40% ethanol without enoxaparin (p<0.001). In the 24-h regimen, the therapy was successful against all microorganisms at all ethanol solutions without enoxaparin (p<0.001). When ethanol was combined with enoxaparin, the therapy was only successful in the 24-h regimen in biofilms of S. epidermidis, C. albicans and E. coli at all concentrations of ethanol assessed. CONCLUSIONS: Our in vitro model demonstrated that when ethanol is combined with enoxaparin in a lock solution, it negatively affects ethanol anti-biofilm activity after both short and long exposures. PMID- 29224998 TI - Neonatal epididymo-orchitis with pyocele caused by Escherichia coli: Successful treatment with antimicrobial therapy alone. PMID- 29224999 TI - [Anemia of chronic kidney disease: Protocol of study, management and referral to Nephrology]. AB - The objective of this protocol is to know which test are needed to study an anaemia in a patient with chronic kidney disease, the differential diagnosis of renal anaemia, to know and correct other deficiency anaemias, and the criteria for referral to Nephrology or other specialties of the anaemic patient with chronic kidney disease. PMID- 29225000 TI - [Validity of the abdominal ecography in primary care for detection of aorta abdominal aneurism in male between 65 and 75 years]. AB - OBJECTIVE: To determine the usefulness of ultrasound examination in Primary Care (PC) for the detection of abdominal aortic aneurysm (AAA) in male patients from 65-75 years old, as well as the consistency between observers on the diagnosis between general practitioners and the reference specialty in this area, Vascular Surgery. To estimate the prevalence of AAA in that population and its association with risk factors. DESIGN: Cross-sectional descriptive study. LOCATION: Healthcare Centres of Coto and Calzada II (Gijon, Spain). PARTICIPANTS: Males born between 1 January 1939 and 31 December 1950. INTERVENTIONS: From the 2,511 males found, 407 were selected using stratified random sampling. Aortic diameter was measured, with those >=3cm and 20% from the <3cm being referred for a second measurement by a vascular surgeon. VARIABLES: Dependent: presence/absence of aneurism. Independent: age, abdominal perimeter, smoking, arterial hypertension, diabetes, dyslipidaemia, familial cases of AAA, cerebrovascular accident, and coronary disease. The analysis was performed using Bayesian inference with models for proportions and a multivariate logistic regression. RESULTS: From 304 ultrasound scans performed, 13 were referred with suspicion of AAA, and 63 with were within normal. The sensitivity was 93.3% and specificity 98.5% with a 95% credibility interval (CredI) of 75.4-99.9%, and 94.3-100%, respectively. The prevalence was 4.6% (95% CredI: 2.5-7.2%, and the intraclass correlation coefficient between PC and Vascular Surgery was 0.88 (95% CredI: 0.79-0.94). Age, smoking, dyslipidaemia, and diabetes tended to increase the odds of prevalence of AAA. CONCLUSION: The ultrasound performed by GPs for the detection of AAA had high diagnostic validity. Further studies on the effectiveness should be conducted in order to assess the appropriateness of introducing a system of early detection of AAA in the risk population. PMID- 29225001 TI - Dorsal hippocampal cannabinergic and GABAergic systems modulate memory consolidation in passive avoidance task. AB - In the present research, we examined the possible interaction between the hippocampal CB2 and GABAA receptors on modulation of memory consolidation. In this research, step-down passive a . voidance task was used to evaluate memory consolidation in adult male NMRI mice. The results showed that post-training intra-CA1 administration of muscimol (0.05 and 0.1 MUg/mouse) impaired memory consolidation as evidenced by a decrease in step-down latency on the test day, which was suggestive of drug-produced amnesia. However co-administration of different doses of muscimol (0.01, 0.05 and 0.1 MUg/mouse) along with a not effect dose of AM630 (1 MUg/mouse) or GP1a (1 MUg/mouse) had no significant effect on impairment of memory consolidation induced by muscimol. Although post training intra-CA1 administration of the cannabinoid CB2 receptor antagonist, AM630 (1, 10 and 100 MUg/mouse) alone had no effect, its co-administration with an effective dose of muscimol (0.05 MUg/mouse) impaired memory consolidation. Furthermore, post-training intra-CA1 microinjection of cannabinoid CB2 receptor agonist, GP1a (100 MUg/mouse) impaired memory consolidation. Interestingly, post training intra-CA1 co-injection of different doses of GP1a (1, 10 and 100 MUg/mouse) along with an effect dose of muscimol (0.05 MUg/mouse) significantly intensified impairment of memory consolidation induced by GP1a (10 MUg/mouse). Moreover, all above doses of drugs did not significantly change locomotor activity. These findings suggest possible interaction between the CA1 cannabinoid CB2 and GABAA mechanisms on modulation of memory consolidation in mice. PMID- 29225002 TI - Documentation of 'Plant Drugs' dispensed via local weekly shanties of Madurai City, India. AB - BACKGROUND: The Valaiyar (Moopanar) communities of Tamil Nadu are traditionally known for catching rats and snakes from the agricultural fields. Prior to independence, some of these families have faced socio-economic changes and chosen to become herbalists in Madurai city. They are mainly engaged in collecting and dispensing fresh and dried plant drugs in its 'natural form' at Tilagar tidal market of Madurai city. Their business is unique, because customers receive 'prescriptions' and 'plant drugs', unlike the conventional dispensaries. Their world view is: 'to cure the ailing in natural way'. OBJECTIVES: To document plant drugs collected and dispensed by some of the families belonging to Valaiyar (Moopanar) community in the Tilagar tidal market. MATERIALS AND METHODS: Ethnobotanical tools were employed to document various aspects of the practices including resource and knowledge base, medicinal uses, dosage, collection of herbarium and raw drug specimens. Integrative approach was adapted to document the trade dynamics. RESULTS: During the study, 133 medicinal plant species belonging to 50 families were documented. 71% of species were sourced from wild and non-forest areas. 272 simple and compound remedies were recorded. CONCLUSION: Local markets/shanties like these are 'Traditional Medicine (TM) health care services at door step'. They cater to local health care needs along with conventional system in a synergistic manner and provide adaptable, local solutions using local resources. PMID- 29225003 TI - Improving patient safety during procedural sedation via respiratory volume monitoring: A randomized controlled trial. AB - STUDY OBJECTIVE: Assess the utility of a respiratory volume monitor (RVM) to reduce the incidence of low minute ventilation events in procedural sedation. DESIGN: Randomized control trial SETTING: Endoscopy suite PATIENTS: Seventy-three total patients (ASA Physical Status 1-3) undergoing upper endoscopies were analyzed. INTERVENTION: Patients were randomized into two groups using a computer generated randomization table: Control (n=41): anesthesia provider was unable to see the screen of the RVM; RVM (n=32): anesthesia provider had access to RVM data to assist with management of the case. MEASUREMENTS: Minute ventilation (MV), tidal volume, and respiratory rate were continuously recorded by the RVM. MV is presented as percent of Baseline MV (MVBaseline), defined during a 30s period of quiet breathing prior to sedation. We defined Low MV as MV<40% MVBaseline, and calculated the percentage of procedure spent with Low MV. Patients in the RVM group were stratified based on whether the anesthesiologist rated the RVM as "not useful", "somewhat useful", or "very useful" during the case. MAIN RESULTS: Control patients experienced twice as much Low MV compared to RVM patients (15.3+/-2.8% vs. 7.1+/-1.4%, P=0.020). The "not useful" (13.7+/-3.8%) group showed no improvement over the Control group (p=0.81). However, both the "very useful" (4.7+/-1.4%) and "somewhat useful" (4.9+/-1.7%) groups showed significant improvement over the "not useful" group (p<0.05). CONCLUSIONS: Patients in the Control group spent more than double the amount of time with Low MV compared to the RVM group. This difference became more pronounced when the anesthesiologist found the RVM useful for managing care, lending credibility to the usage of minute ventilation monitoring in procedural sedation. PMID- 29225004 TI - Suppressor of cytokine signaling 6 can enhance epidermal growth factor receptor signaling pathway in Bombyx mori (Dazao). AB - The SOCS (Suppressor of cytokine signaling) family members are a potential negative regulator of cytokine signaling pathway and play a key role to maintain immunological functions in animals. SOCS-6 is an important member of the SOCS family, however the functions of this gene have rarely been explored among eukaryotes. Herein, we cloned and expressed SOCS-6 gene from Bombyx mori (Dazao) (BmSOCS-6), and anti-rabbit antibodies were prepared using purified recombinant BmSOCS-6 protein. Under normal physiological conditions, the BmSOCS-6 expression was observed at varied levels in six tissues, with most greatly expressed in fat body and hemocytes. After immune challenge with viral, fungal and bacterial pathogens, the BmSOCS-6 showed distinctly varied expression patterns in tissue, time and microbe dependent manner. By contrast, recombinant BmSOCS-6 protein strongly enhanced the expression of epidermal growth factor receptor (EGFR) pathway related genes, while the depletion of BmSOCS-6 by double stranded RNA suppressed their production. Altogether we concluded that BmSOCS-6 may improve the efficiency of EGFR signaling pathway in B. mori (Dazao). PMID- 29225005 TI - Eicosanoid-mediated immunity in insects. AB - Eicosanoid is a collective term for oxygenated metabolites of C20 polyunsaturated fatty acids. As seen in mammals, eicosanoids play crucial roles in mediating various physiological processes, including immune responses, in insects. Upon microbial pathogen infection, non-self recognition signals are propagated to nearly immune effectors such as hemocytes and fat body using various immune mediators, in which eicosanoid signals act as the ultimate downstream mediator. The chemical diversity of eicosanoids may operate to mediate various immune responses. Some entomopathogenic bacteria suppress eicosanoid biosynthesis, which inhibits host insect immunity and promotes their pathogenicity. This review introduces immune responses mediated by various eicosanoids. Then it explains the cross-talks of eicosanoids with other immune mediators including cytokines, biogenic monoamines, and nitric oxide to clarify the complexity of insect immune mediation. Finally, we highlight the biological significance of eicosanoids by demonstrating bacterial pathogenicity inhibiting a key enzyme - phospholipase A2 in eicosanoid biosynthesis using their secondary metabolites to defend host insect immune attack. PMID- 29225007 TI - High-sensitivity quantitative analysis reveals the non-linear relationship between the dose and deposition of diphenylarsinic acid in the rat central nervous system following its subchronic exposure. AB - In the year 2003, the residents of Kamisu, Japan, were exposed to pentavalent organic arsenic diphenylarsinic acid (DPAA[V]) via their normal drinking water. Following the exposure, they developed cerebellar and brainstem symptoms. Although the relatively high dose of DPAA(V) is assumed to have caused their symptoms, the relationship between the exposed dose of DPAA(V) and the level of their deposition in the central nervous system (CNS) remains unclear. Using liquid chromatography-tandem mass spectrometry, we examined the deposition of DPAA(V) and its pentavalent metabolites in the CNS tissues of Crl:CD(SD) rats following the administration of DPAA(V) for 28days. We found that the concentrations of DPAA(V) in the CNS were very high, given a dose of 5.0mg/kg/day. However, very low concentrations of DPAA(V) were detected at a dose of 0.3 or 1.2mg/kg/day, suggesting the absence of a linear dose-response relationship between the dose and deposition of DPAA(V). We also found that this non-linear relationship was commonly observed in various non-CNS tissues, including the excretory system. Our study showed for the first time the exact relationship between the dose and tissue deposition of the organic arsenic following its subchronic administration. PMID- 29225006 TI - Mechanistic studies on ketamine-induced mitochondrial toxicity in zebrafish embryos. AB - Ketamine, a phencyclidine derivative, is an antagonist of the Ca2+-permeable N methyl-d-aspartate (NMDA)-type glutamate receptors. It is a pediatric anesthetic and has been implicated in developmental neurotoxicity. Ketamine has also been shown to deplete ATP in mammalian cells. Our previous studies showed that acetyl l-carnitine (ALCAR) prevented ketamine-induced cardiotoxicity and neurotoxicity in zebrafish embryos. Based on our finding that ALCAR's protective effect was blunted by oligomycin A, an inhibitor of ATP synthase, we further investigated the effects of ketamine and ALCAR on ATP levels, mitochondria and ATP synthase in zebrafish embryos. The results demonstrated that ketamine reduced ATP levels in the embryos but not in the presence of ALCAR. Ketamine reduced total mitochondrial protein levels and mitochondrial potential, which were prevented with ALCAR co-treatment. To determine the cause of ketamine-induced ATP deficiency, we explored the status of ATP synthase. The results showed that a subunit of ATP synthase, atp5alpha1, was transcriptionally down-regulated by ketamine, but not in the presence of ALCAR, although ketamine caused a significant upregulation in another ATP synthase subunit, atp5beta and total ATP synthase protein levels. Most of the ATP generated by heart mitochondria are utilized for its contraction and relaxation. Ketamine-treated embryos showed abnormal heart structure, which was abolished with ALCAR co-treatment. This study offers evidence for a potential mechanism by which ketamine could cause ATP deficiency mediated by mitochondrial dysfunction. PMID- 29225008 TI - Soft palate functional reconstruction with buccinator myomucosal island flaps. AB - Oropharyngeal reconstruction after ablative surgery is a challenge. The results of a retrospective study of 17 patients who underwent total or sub-total soft palate reconstruction with a buccinator myomucosal island flap, between 2008 and 2016, are reported herein. An analysis of flap type and size, harvesting time, and postoperative complications was performed. Patients underwent standardized tests to assess the recovery of sensitivity, deglutition, quality of life (QoL), and donor site morbidity, at >6 months after surgery or the end of adjuvant therapy, if performed. All flaps were transposed successfully. Only minor donor and recipient site complications occurred. The sensitivity assessment showed that touch, two-point discrimination, and pain sensations were recovered in all patients. Significant differences between the flap and native mucosa were reported for tactile (P=0.004), pain (P=0.001), and two-point discrimination (P=0.001) thresholds. The average deglutition score reported was 6.1/7, with only minimal complaints regarding deglutition. The QoL assessment showed high physical (24.6/28), social (25/28), emotional (19.1/24), and functional (24.6/28) scores. No major donor site complications were noted in any patient; the average donor site morbidity score was 8.1/9. Buccinator myomucosal island flaps represent a valuable functional oropharyngeal option for reconstruction, requiring a short operating time and presenting a low donor site morbidity rate. PMID- 29225009 TI - Anatomic implications of lesser trochanterplasty. AB - OBJECTIVE: The aim of this study was to measure the area of iliopsoas tendon attachment and the distance of sciatic nerve, medial circumflex femoral artery (MCFA) and quadratus muscle to lesser trochanter tip, before and after 5, 10, 15 mm depth excision of lesser trochanter. METHODS: A total 15 hips of 8 adult male cadavers were evaluated. Distances between lesser trochanter tip, sciatic nerve, the lower edge of quadratus muscle and MCFA; length and width of quadratus muscle insertion; area of iliopsoas muscle and quadratus muscle insertion was measured before and after sequential 5,10 and 15 mm depth trochanterplasties using 5 mm wide burr parallel to the posterior cortex. RESULTS: Each incremental 5 mm depth bone removal led to significant decrease of tendon area (p=0.001) at each stage. Mean decreases of iliopsoas tendon attachment area with incremental 5 mm burring were 22%+/-10 with 5 mm, 50%+/-13 with 10 mm, and 76% +/-13 with 15 mm of burring. CONCLUSION: Up to 15 mm lesser trochanter removal did not result in complete detachment of the iliopsoas tendon. Lesser trochanter tip was detected at least 20 mm away from important anatomic structures including quadratus tendon, sciatic nerve, and the medial circumflex femoral artery. PMID- 29225010 TI - Initiation and outcomes with Class Ic antiarrhythmic drug therapy. AB - BACKGROUND: Expert opinion recommends performing exercise testing with initiation of Class Ic antiarrhythmic medication. OBJECTIVE: To evaluate the rate and reason for discontinuation of Ic agent within the first year of follow up, with particular attention to rate of proarrhythmia and the value of routine treadmill testing. METHODS: This is a single center retrospective cohort study including consecutive patients with atrial arrhythmias who were initiated on a Class Ic agent from 2011 to 2016. Data was collated from chart review and pharmacy database. RESULTS: The study population included 300 patients (55% male, mean age 61; mean ejection fraction, 56%) started on flecainide (n = 153; 51%) and propafenone (n = 147; 49%). Drug initiation was completed while hospitalized on telemetry and the staff electrophysiologists directed dosing. There was one proarrhythmic event during initiation (0.3%). The primary reason for not being discharged on Ic agent was due to detection of proarrhythmia (n = 15) or ischemia (n = 1) with treadmill testing (5.3%). Exercise testing was the single significant variable to affect the decision to discontinue Ic drug, p < 0.0001 (95% CI: 1.89-6.08%). During follow up, the primary reason for discontinuation of Ic agent was lack of efficacy, 32%. CONCLUSIONS: With proper screening, initiation of Class Ic agent is associated with very low rate of proarrhythmia. Treadmill testing is of incremental value and should be completed in all patients after loading Class Ic antiarrhythmic. PMID- 29225011 TI - Effect of platelet-lymphocyte ratio and lactate levels obtained on mortality with sepsis and septic shock. AB - BACKGROUND: Sepsis is a potentially fatal condition with high treatment costs, and is especially common among the elderly population. The emergency management of septic patients has gained importance. OBJECTIVE: Herein, we investigated the effect of admission lactate levels and the platelet-lymphocyte ratio (PLR) on the 30-day mortality among patients older than 65years who were diagnosed with sepsis and septic shock according to the qSOFA criteria at our hospital's emergency department. METHODS: This observational study was conducted retrospectively. We obtained information regarding patients' demographic characteristics, comorbid conditions, hemodynamic parameters at admission, initial treatment needs at the emergency department. RESULTS: 131 patients received a diagnosis of sepsis and septic shock at our emergency department in two years. Among these, 45% (n=59) of the patients died within 30days of admission. Forty (30.5%) patients required mechanical ventilation. There was a significant difference between the survival and non-survival groups with regard to systolic and diastolic blood pressures (p=0.013 and 0.045, respectively). There were significant differences between the two groups with respect to the Glasgow Coma Scale score (p<0.001) and BUN levels (p<0.001). The mortality status according to qSOFA scores was revealed a significant difference between the two groups (p<0.001). CONCLUSION: Our results showed that the patients who died within 30days of admission and those who did not had comparable PLR and lactate levels (p=0.821 and 0.120, respectively). We opine that serial lactate measurements would be more useful than a single admission lactate measurement for the prediction of mortality. PMID- 29225012 TI - Comparison of 3 techniques in percutaneous tracheostomy: Traditional landmark technique; ultrasonography-guided long-axis approach; and short-axis approach - Randomised controlled study. AB - INTRODUCTION: The aim of this study is to compare the reliabilities of the traditional landmark method, ultrasonography-guided long-axis in-plane application, and ultrasonography-guided short-axis out-of-plane application in percutaneous dilatational tracheostomy. PATIENTS AND METHODS: A total of 60 patients were divided in 3 random groups undergoing percutaneous tracheostomy by using landmark method, ultrasonography-guided out-of-plane method, and ultrasonography-guided in-plane method. While demographic data of the patients were recorded before the procedure, number of punctures, success rate at the first entry, rate of successful tracheostomy tube placement, total tracheostomy time, and complications were recorded during and after the procedure. RESULTS AND DISCUSSION: It was found that 23 women and 37 men were included in the study, the average age of the cases was 68.0+/-15.5; mean body mass index was 27.9+/-4.3; mean APACHE II scores were 27.4+/-4.6 and there was no significant difference between the groups in terms of demographic data. The ultrasonography-guided out of-plane application had significantly lower number of punctures, higher first entry success, and fewer complications compared to the other groups. Independently from the groups, first entry success was significantly low in advanced age and number of punctures significantly increased the complication rate. CONCLUSION: In this randomised controlled study, it was found that ultrasonography-guided out-of-plane application had lower number of punctures, higher first entry success rate, and less complications. It was observed that advanced age negatively affected the first entry success and as number of punctures increased, the complication rate increased. ClinicalTrials.gov ID: NCT02855749. PMID- 29225013 TI - Succinate dehydrogenase: Prospect for neurodegenerative diseases. AB - Onset of Alzheimer's, Parkinson's and Huntington's diseases as neurodegenerative disorders is increased by age. Alleviation of clinical symptoms and protection of neurons against degeneration are the main aspects of researches to establish new therapeutic strategies. Many studies have shown that mitochondria play crucial roles in high energy demand tissues like brain. Impairments in mitochondrial activity and physiology can makes neurons vulnerable to stress and degeneration. Succinate dehydrogenase (SDH) connects tricarboxylic cycle to the electron transport chain. Therefore, dysfunction of the SDH could impair mitochondrial activity, ATP generation and energy hemostasis in the cell. Exceed lipid synthesis, induction of the excitotoxicity in neurodegenerative disorders could be controlled by SDH through direct and indirect mechanism. In addition, mutation in SDH correlates with the onset of neurodegenerative disorders. Therefore, SDH could behave as a key regulator in neuroprotection. This review will present recent findings which are about SDH activity and related pathways which could play important roles in neuronal survival. Additionally, we will discuss about all possibilities which candidate SDH as a neuroprotective agent. PMID- 29225014 TI - Leber's hereditary optic neuropathy caused by a mutation in mitochondrial tRNAThr in eight Chinese pedigrees. AB - PURPOSE: The purpose of this study was to investigate the pathophysiology underlying Leber's hereditary optic neuropathy (LHON)-associated mitochondrial tRNA mutation. METHODS: Severn hundred ninety-seven Han Chinese subjects underwent clinical and genetic evaluation and analysis of mitochondrial DNA (mtDNA). The cybrid cell lines were constructed by transferring mitochondria from lymphoblastoid cell lines derived from a Chinese family into mtDNA-less (rhoo) cells. These cell lines were assayed by tRNA Northern blot and Western blot analyses, respiratory enzymatic activities, the rate of ATP production and the generation of reactive oxygen species. RESULTS: The tRNAThr 15927G>A mutation was identified in eight probands with suggestively maternal inheritance among 352 Han Chinese probands lacking these known LHON-associated mtDNA mutations. The m.15927G>A mutation affected a highly conserved guanine at position 42 at the anticodon-stem of tRNAThr, destabilizing the conservative base pairing (28C-42G). We therefore hypothesized that the m.15927G>A mutation, and altered the structure and function of tRNAThr. Northern blot analysis revealed 60% decrease in the steady-state level of tRNAThr in the mutant cell lines. Western blot analysis showed the variable reductions of 4 mtDNA encoding proteins, especially for marked decrease of ND1 and CYTB observed in mutant cell lines. Furthermore, we demonstrated that the m.15927G>A mutation decreased the activities of mitochondrial complexes I and III, markedly diminished mitochondrial ATP levels, and increased the production of reactive oxygen species in the mutant cells. CONCLUSIONS: Our data demonstrated the first mitochondrial tRNA mutation leading to LHON. Our findings may provide new insights into the understanding of pathophysiology of LHON. PMID- 29225015 TI - Symptomatic Focal Knee Chondral Injuries in National Football League Combine Players Are Associated With Poorer Performance and Less Volume of Play. AB - PURPOSE: To (1) describe the magnetic resonance imaging (MRI) characteristics of knee chondral injuries identified at the National Football League (NFL) Combine and (2) assess in-game performance of prospective NFL players with previously untreated knee chondral injuries and compare it with matched controls. METHODS: All players with knee chondral injuries identified at the NFL Combine (2009-2015) were retrospectively reviewed. Players with prior knee surgery were excluded. A knee MRI for each player was reviewed; location, modified International Cartilage Repair Society (ICRS) grade (I-IV), and associated compartment subchondral edema were documented. Position, respective NFL Draft pick selection number, games started, played, snap percentage, and position-specific performance metrics during the first 2 NFL seasons were recorded for the injury and injury-free control group composed of players with (1) no prior knee injury, (2) no significant missed time prior to the NFL (<=2 total missed games in college), (3) no history of knee surgery, and (4) drafted in the respective NFL Draft following the NFL Combine. RESULTS: Of the 2,285 players reviewed, 101 (4.4%) had an injury without prior knee surgery. The patella (63.4%) and trochlea (34%) were most commonly affected. Defensive linemen were at highest risk for unrecognized injuries (odds ratio 1.8, P = .015). Players with previously untreated injuries, compared with controls, were picked later (mean pick: 125.8) and played (mean: 23) and started (mean: 10.4) fewer games during the initial 2 NFL seasons (P < .001 for all). Particularly, subchondral bone edema and full-thickness cartilage injuries were associated with fewer games played (P = .003). CONCLUSIONS: The patellofemoral joint was most commonly affected in NFL Combine participants. Previously untreated knee articular injuries in players at the NFL Combine are associated with poorer early NFL performance in comparison to uninjured players. Subchondral bone edema and full-thickness cartilage injury on MRI were associated with fewer games played during the initial NFL career. LEVEL OF EVIDENCE: Level III, case-control study. PMID- 29225016 TI - Posterior Cruciate Ligament Injuries of the Knee at the National Football League Combine: An Imaging and Epidemiology Study. AB - PURPOSE: To determine the epidemiology by player position, examination, imaging findings, and associated injuries of posterior cruciate ligament (PCL) injuries in players participating in the National Football League (NFL) Combine. METHODS: All PCL injuries identified at the NFL Combine (2009-2015) were reviewed. Data were obtained from the database organized by the NFL medical personnel for the compilation of the medical and physical performance examination results of NFL Draftees participating in the NFL Combine from 2009 to 2015. Inclusion criteria were any player with clinical findings or a previous surgery consistent with a PCL injury who participated in the NFL Combine. RESULTS: Of the 2,285 players who participated in the NFL Combine between 2009 and 2015, 69 (3%) had evidence of a PCL injury, of which 11 players (15.9%) were managed surgically. On physical examination, 35 players (52%) had a grade II or III posterior drawer. Concomitant injuries were present frequently and included medial collateral ligament (MCL; 42%), anterior cruciate ligament (ACL; 11.6%), and chondral injuries (31.8%), especially in the lateral tibiofemoral compartment. CONCLUSIONS: Three percent of the players at the NFL Combine presented with a PCL injury, with a significant amount being either running backs (14/69, 20.2%) or offensive linemen (14/69, 20.2%). Approximately half of the players with a PCL tear had a residual grade II or III posterior drawer after sustaining a PCL injury. Concomitant injuries were present frequently and included MCL (42%), ACL (11.6%), and chondral injuries (31.8%), especially in the lateral tibiofemoral compartment. For those players with clinical concern for PCL ligamentous laxity, there should be a complete comprehensive workup that includes plain and PCL stress view radiographs, and magnetic resonance imaging. LEVEL OF EVIDENCE: Level IV, case series. PMID- 29225017 TI - Qualitative and Quantitative Anatomy of the Proximal Humerus Muscle Attachments and the Axillary Nerve: A Cadaveric Study. AB - PURPOSE: To provide a quantitative and qualitative anatomic analysis of the pectoralis major, teres major, and latissimus dorsi on the humerus, as well as the deltoid tendinous attachments on the proximal humerus and acromion, and to quantitatively characterize the humeral course of the axillary nerve. METHODS: Ten nonpaired, fresh-frozen human cadaveric shoulders were analyzed. A portable coordinate-measuring device quantified the location of bony landmarks and tendon attachment areas. The tendon footprints were recorded by tracing their outlines and center points. The footprint areas of the tendons, the distances between the footprint areas and pertinent osseous and soft-tissue landmarks, and the distance between where the axillary nerve courses across the humerus relative to the acromion and greater tuberosity were measured. RESULTS: Of the 10 specimens, 9 (90%) had 5 distinct tendinous bands attaching the deltoid to the acromion; 1 specimen had 4 bands. The distances between the center of the deltoid footprint on the humerus and the centers of the pectoralis major, latissimus dorsi, and teres major tendon footprints on the humerus were 43.5 mm, 58.5 mm, and 49.4 mm, respectively. The shortest distances from the perimeter of the pectoralis major to the latissimus dorsi and teres major tendon footprints were 3.9 mm and 9.5 mm, respectively. The distance from the superior aspect of the greater tuberosity to the axillary nerve on the humeral shaft was 50.3 mm (95% confidence interval, 47.0-53.5 mm). The distance from the lateral acromion to the axillary nerve was 69.3 mm (95% confidence interval, 64.1-74.5 mm). CONCLUSIONS: The deltoid muscle had 4 to 5 tendinous insertions on the acromion, and the axillary nerve was 50.3 mm from the tip of the greater tuberosity. The distance between the lower border of the pectoralis major and the axillary nerve was 9.4 mm. CLINICAL RELEVANCE: Knowledge of the quantitative anatomy of the tendons of the proximal humerus and axillary nerve can aid in identifying structures of interest during open shoulder surgery and in avoiding iatrogenic axillary nerve injury. Furthermore, this study provides direction to avoid injury to the deltoid tendons during open surgery. PMID- 29225018 TI - Incidence and Changing Trends of Shoulder Stabilization in the United States. AB - PURPOSE: To determine the incidence and demographic characteristics of shoulder stabilization in the United States, with particular focus on age, sex, and inpatient versus outpatient treatment. METHODS: The National Hospital Discharge Survey and the National Survey of Ambulatory Surgery databases were searched using a combination of International Classification of Diseases, Ninth Revision diagnosis and procedure codes, encompassing open and arthroscopic shoulder stabilization procedures. Incidence was determined using National Survey of Ambulatory Surgery, National Hospital Discharge Survey, and US census data, and the results were stratified by age, sex, facility, and concomitant diagnoses. Data were analyzed between 1994 and 2006, the most recent year for which data are available within these sources. RESULTS: The incidence of shoulder stabilization in the United States was 5.84 per 100,000 person-years (n = 15,514; 95% confidence interval, 11,975-19,053) in 1994 to 1996 and 6.89 per 100,000 person years (n = 20,588; 95% confidence interval, 16,254-24,922) in 2006 (P = .0697). The number of inpatient procedures decreased significantly whereas the number of outpatient procedures increased significantly over the same period (P < .0001 for both). The incidence of stabilization increased in patients aged 45 to 64 years (P < .0001) and patients aged 65 years or older (P = .0008) but was unchanged in patients aged 44 years or younger (P = .4745). The average age of patients undergoing stabilization increased over the study period, from 30 years to 47 years for inpatients (P = .01) and from 27 years to 34 years for ambulatory patients (P = .05). The incidence of stabilization increased significantly in male patients (P = .0075) but remained stable in female patients (P = .8057) over the same period. Diagnoses related to rotator cuff pathology and shoulder derangement were the most common concurrent diagnosis codes. CONCLUSIONS: The overall incidence of shoulder stabilization in the United States is 6.89 per 100,000 person-years. The incidence increased by 18% between 1994 and 2006. During the study period, shoulder stabilization shifted to become a largely outpatient procedure, and the average age increased significantly. LEVEL OF EVIDENCE: Level IV, therapeutic case series. PMID- 29225019 TI - Primary Versus Revision Anterior Cruciate Ligament Reconstruction: Patient Demographics, Radiographic Findings, and Associated Lesions. AB - PURPOSE: The purpose of this study was to evaluate the differences in intra articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR. METHODS: This was a retrospective review of patients who underwent primary or revision ACLR by a single surgeon. The exclusion criteria were as follows: skeletally immature patients; patients with an intra-articular fracture; patients with an ipsilateral knee infection; or patients who underwent an osteotomy, cartilage restoration procedure, or meniscal transplantation either previously or concomitantly with the ACLR. Detailed patient demographic data, radiographic long-standing alignment, tibial slope, and intraoperative findings including articular cartilage injury grade and meniscus integrity were documented at surgery. RESULTS: There were 487 patients included in this study (363 with primary ACLR and 124 with revision ACLR). There were no significant differences in age (P = .119), sex (P = .917), body mass index (P = .468), allograft versus autograft reconstruction (P = .916), or prevalence of meniscal tears (P = .142) between the primary and revision groups. Patients who underwent revision ACLR had a significantly increased medial tibial slope (P = .048) and a higher prevalence of chondral defects on both the medial (P < .001) and lateral (P = .003) femoral condyles when compared with primary ACLR patients. Logistic regression showed that a decreased tibial slope was correlated with femoral medial-sided chondral injuries and that varus or valgus coronal-plane malalignment was correlated with lateral meniscal tears in both groups. CONCLUSIONS: The findings of this study show that patients undergoing a revision ACLR have significantly more chondral lesions, as well as higher-grade chondral lesions, at the time of presentation. Furthermore, coronal malalignment and a decreased tibial slope may contribute to injury patterns of the lateral meniscus and medial compartment cartilage, respectively. LEVEL OF EVIDENCE: Level III, retrospective case-control study. PMID- 29225020 TI - Arthroscopic Wafer Procedure Versus Ulnar Shortening Osteotomy as a Surgical Treatment for Idiopathic Ulnar Impaction Syndrome. AB - PURPOSE: To compare clinical and radiologic outcomes and complication rates of the arthroscopic wafer procedure (AWP) and ulnar shortening osteotomy (USO) for idiopathic ulnar impaction syndrome (UIS). METHODS: From May 2009 to June 2014, 42 patients who were aged 45 years or older with idiopathic UIS underwent either the AWP or USO under the following identical surgical indications: (1) less than 4 mm of positive ulnar variance, (2) Palmer classification 2C or 2D lesion of the triangular fibrocartilage complex, (3) stable distal radioulnar joint (DRUJ) and/or lunotriquetral joint, and (4) no evidence of osteoarthritis of the DRUJ or ulnocarpal joint. The patient assignment was not randomized. Were used a visual analog scale for ulnar wrist pain; grip strength; range of motion; the Mayo Wrist Score (MWS); and the Disabilities of the Arm, Shoulder and Hand (DASH) score at 3, 6, 12, and 24 months after surgery to compare clinical outcomes. Ulnar variance, cystic changes of the lunate and triquetrum, and DRUJ arthritis on radiographs and operation-related complications were compared. RESULTS: This study evaluated 19 patients after the AWP and 23 patients after USO. At 3 months, the AWP produced significantly better outcomes than USO regarding grip strength (79.6% +/- 14.3% vs 62.7% +/- 12.6%, P < .001), MWS (81.8 +/- 7.9 points vs 71.3 +/- 14.2 points, P = .005), and DASH score (19.4 +/- 8.4 vs 31.5 +/- 14.0, P = .001); clinical outcomes were similar at 6, 12, and 24 months. The complication rates were 34.8% for USO and 10.5% for the AWP; complications included DRUJ arthritis (n = 4), implant irritation (n = 6), and refracture after implant removal (n = 2) in the USO group and secondary surgery (n = 1) and tendinopathy (n = 1) in the AWP group. CONCLUSIONS: The AWP and USO for idiopathic UIS with subtle positive ulnar variance achieved similar clinical and radiologic outcomes at 2 years after surgery. However, compared with USO, the AWP showed lower complication rates and better grip strength, MWS values, and DASH scores at 3 months after surgery. LEVEL OF EVIDENCE: Level III, comparative trial. PMID- 29225021 TI - Implications of Core and Hip Injuries on Major League Baseball Pitchers on the Disabled List. AB - PURPOSE: To investigate the frequency of core and hip injuries in Major League Baseball (MLB) pitchers and their impact on performance, workload, and pitch type. METHODS: Demographic, performance data, and injury data were acquired for 330 MLB pitchers with 454 injuries placed on the disabled list (DL) from 2014 to 2015 seasons. Core and hip/groin injuries were analyzed in which injury year data were compared with career data and against other injury groups. RESULTS: Core injuries represented 14% of all injuries and hip/groin injuries represented 7%. Average days on the DL for core injuries were 47.0 (standard deviation 5.6) days and 37.7 (standard deviation 8.1) days for hip/groin injuries. Return from the DL the same season for core injuries was 78% and 73% for hip/groin injuries. Core injuries returned to the DL 46% of the time (73% for noncore injuries) and hip/groin returned 56% of the time (60% for nonhip/groin injuries). No changes in workload were noted except starters with core injuries pitched less innings/game (5.3 vs 4.9 innings/game, P = .031) and more pitches/game (85.5 vs 78.4 pitches, P = .026). Fastball velocity decreased in the core injury group the year of injury (91.6 vs 92.2 mph, P = .001). Core injuries had slightly fewer home runs/9 innings and fewer strikeouts/9 innings; hip/groin injuries had slightly more strikeouts/9 innings, with all other performance statistics no different between the groups including earned run average and wins above replacement. CONCLUSIONS: Core and hip injuries in MLB pitchers result in similar time on the DL compared with other injuries. Pitching workload during the year of injury does not seem to have a significant impact on sustaining a core or hip injury. Although there is a high rate of return to play from the DL, there is a high rate of reinjury in these pitchers more often for other injuries. LEVEL OF EVIDENCE: Level III, retrospective comparative study. PMID- 29225022 TI - The Mitotic Function of Augmin Is Dependent on Its Microtubule-Associated Protein Subunit EDE1 in Arabidopsis thaliana. AB - The augmin complex plays an essential role in microtubule (MT)-dependent MT nucleation by recruiting the gamma-tubulin complex to MT walls to generate new MTs [1]. The complex contains eight subunits (designated AUG) including AUG8, which is an MT-associated protein (MAP). When this complex is isolated from etiolated seedlings consisting of primarily interphase cells in Arabidopsis thaliana, AUG8 is an integral component [2]. EDE1 (Endosperm DEfective 1) is homologous to AUG8 [3]. Here, we demonstrate that EDE1, but not AUG8, is associated with acentrosomal spindle and phragmoplast MT arrays in patterns indistinguishable from those of the AUG1-7 subunits and the gamma-tubulin complex proteins (GCPs) that exhibit biased localization toward MT minus ends. Consistent with this colocalization, EDE1 directly interacts with AUG6 in vivo. Moreover, a partial loss-of-function mutation, ede1-1, compromises the localization of augmin and gamma-tubulin on the spindle and phragmoplast MT arrays and leads to serious distortions in spindle MT remodeling during mitosis. However, mitosis continues even when kinetochore fibers are not obviously discernable, and cytokinesis takes place following the formation of elongated bipolar phragmoplast MT arrays in the mutant. Hence, we conclude that the mitotic function of augmin is dependent on its MAP subunit EDE1, which cannot be replaced by AUG8, and that the cell-cycle dependent function of augmin can be differentially regulated by employing distinct MAP subunits. Our results also illustrate that plant cells can respond flexibly to serious challenges of compromised MT-dependent MT nucleation to complete mitosis and cytokinesis. PMID- 29225023 TI - Origins and Specification of the Drosophila Wing. AB - The insect wing is a key evolutionary innovation that was essential for insect diversification. Yet despite its importance, there is still debate about its evolutionary origins. Two main hypotheses have been proposed: the paranotal hypothesis, which suggests that wings evolved as an extension of the dorsal thorax, and the gill-exite hypothesis, which proposes that wings were derived from a modification of a pre-existing branch at the dorsal base (subcoxa) of the leg. Here, we address this question by studying how wing fates are initially specified during Drosophila embryogenesis, by characterizing a cis-regulatory module (CRM) from the snail (sna) gene, sna-DP (for dorsal primordia). sna-DP specifically marks the early primordia for both the wing and haltere, collectively referred to as the DP. We found that the inputs that activate sna-DP are distinct from those that activate Distalless, a marker for leg fates. Further, in genetic backgrounds in which the leg primordia are absent, the DP are still partially specified. However, lineage-tracing experiments demonstrate that cells from the early leg primordia contribute to both ventral and dorsal appendage fates. Together, these results suggest that the wings of Drosophila have a dual developmental origin: two groups of cells, one ventral and one more dorsal, give rise to the mature wing. We suggest that the dual developmental origins of the wing may be a molecular remnant of the evolutionary history of this appendage, in which cells of the subcoxa of the leg coalesced with dorsal outgrowths to evolve a dorsal appendage with motor control. PMID- 29225024 TI - At Birth, Humans Associate "Few" with Left and "Many" with Right. AB - Humans use spatial representations to structure abstract concepts [1]. One of the most well-known examples is the "mental number line"-the propensity to imagine numbers oriented in space [2, 3]. Human infants [4, 5], children [6, 7], adults [8], and nonhuman animals [9, 10] associate small numbers with the left side of space and large numbers with the right. In humans, cultural artifacts, such as the direction of reading and writing, modulate the directionality of this representation, with right-to-left reading cultures associating small numbers with right and large numbers with left [11], whereas the opposite association permeates left-to-right reading cultures [8]. Number-space mapping plays a central role in human mathematical concepts [12], but its origins remain unclear: is it the result of an innate bias or does it develop after birth? Infant humans are passively exposed to a spatially coded environment, so experience and culture could underlie the mental number line. To rule out this possibility, we tested neonates' responses to small or large auditory quantities paired with geometric figures presented on either the left or right sides of the screen. We show that 0 to 3-day-old neonates associate a small quantity with the left and a large quantity with the right when the multidimensional stimulus contains discrete numerical information, providing evidence that representations of number are associated to an oriented space at the start of postnatal life, prior to experience with language, culture, or with culture-specific biases. PMID- 29225026 TI - Differential Effects of Climate on Survival Rates Drive Hybrid Zone Movement. AB - Climate change has been implicated as driving shifts of hybridizing species' range limits [1, 2]. Whether and how much hybrid zones move depends on the relative fitness of hybridzing species under changing conditions [3, 4]. However, fitness is rarely linked to both climatic conditions and movement of hybrid zones, such that the relationship between climate change and hybrid zone dynamics remains tenuous [5]. Here we report how interactions between climate (seasonal precipitation) and competitor densities result in steep differentials in survival, which in turn drive hybrid zone movement for two woodrat species (Neotoma fuscipes and N. macrotis) in central California, USA. Using 6 years of capture-mark-recapture data, we found that the smaller-bodied species, N. macrotis, and hybrids had survival advantages over the larger-bodied N. fuscipes in the contact region during dry winters and wet springs. This pattern of differential survival, with N. macrotis having a consistent advantage over N. fuscipes during our study period, matched the spatial dynamics of the hybrid zone, which moved steadily north into N. fuscipes territory, with its estimated center moving ~150 m north in 6 years. Our findings provide a unique demonstration of range movements emerging from a complex interplay between climate and competition. Although all study site areas experienced the same climatic conditions, competitive effects created a complex spatial pattern of survival differentials, which in turn influenced hybrid zone movement. Characterization of fitness differentials derived from replicated demographic studies of contact regions between competitors should greatly improve our ability to understand and forecast climate-driven range dynamics. PMID- 29225027 TI - Evolution of the Sauropterygian Labyrinth with Increasingly Pelagic Lifestyles. AB - Sauropterygia, a successful clade of marine reptiles abundant in aquatic ecosystems of the Mesozoic, inhabited nearshore to pelagic habitats over >180 million years of evolutionary history [1]. Aquatic vertebrates experience strong buoyancy forces that allow movement in a three-dimensional environment, resulting in structural convergences such as flippers and fish-like bauplans [2, 3], as well as convergences in the sensory systems. We used computed tomographic scans of 19 sauropterygian species to determine how the transition to pelagic lifestyles influenced the evolution of the endosseous labyrinth, which houses the vestibular sensory organ of balance and orientation [4]. Semicircular canal geometries underwent distinct changes during the transition from nearshore Triassic sauropterygians to the later, pelagic plesiosaurs. Triassic sauropterygians have dorsoventrally compact, anteroposteriorly elongate labyrinths, resembling those of crocodylians. In contrast, plesiosaurs have compact, bulbous labyrinths, sharing some features with those of sea turtles. Differences in relative labyrinth size among sauropterygians correspond to locomotory differences: bottom-walking [5, 6] placodonts have proportionally larger labyrinths than actively swimming taxa (i.e., all other sauropterygians). Furthermore, independent evolutionary origins of short-necked, large-headed "pliosauromorph" body proportions among plesiosaurs coincide with reductions of labyrinth size, paralleling the evolutionary history of cetaceans [7]. Sauropterygian labyrinth evolution is therefore correlated closely with both locomotory style and body proportions, and these changes are consistent with isolated observations made previously in other marine tetrapods. Our study presents the first virtual reconstructions of plesiosaur endosseous labyrinths and the first large-scale, quantitative study detailing the effects of increasingly aquatic lifestyles on labyrinth morphology among marine reptiles. PMID- 29225025 TI - Neuropeptide Y Regulates Sleep by Modulating Noradrenergic Signaling. AB - Sleep is an essential and evolutionarily conserved behavioral state whose regulation remains poorly understood. To identify genes that regulate vertebrate sleep, we recently performed a genetic screen in zebrafish, and here we report the identification of neuropeptide Y (NPY) as both necessary for normal daytime sleep duration and sufficient to promote sleep. We show that overexpression of NPY increases sleep, whereas mutation of npy or ablation of npy-expressing neurons decreases sleep. By analyzing sleep architecture, we show that NPY regulates sleep primarily by modulating the length of wake bouts. To determine how NPY regulates sleep, we tested for interactions with several systems known to regulate sleep, and provide anatomical, molecular, genetic, and pharmacological evidence that NPY promotes sleep by inhibiting noradrenergic signaling. These data establish NPY as an important vertebrate sleep/wake regulator and link NPY signaling to an established arousal-promoting system. PMID- 29225028 TI - Causes and Consequences of Tool Shape Variation in New Caledonian Crows. AB - Hominins have been making tools for over three million years [1], yet the earliest known hooked tools appeared as recently as 90,000 years ago [2]. Hook innovation is likely to have boosted our ancestors' hunting and fishing efficiency [3], marking a major transition in human technological evolution. The New Caledonian crow is the only non-human animal known to craft hooks in the wild [4, 5]. Crows manufacture hooked stick tools in a multi-stage process, involving the detachment of a branch from suitable vegetation; "sculpting" of a terminal hook from the nodal joint; and often additional adjustments, such as length trimming, shaft bending, and bark stripping [4, 6, 7]. Although tools made by a given population share key design features [4, 6, 8], they vary appreciably in overall shape and hook dimensions. Using wild-caught, temporarily captive crows, we experimentally investigated causes and consequences of variation in hook-tool morphology. We found that bird age, manufacture method, and raw-material properties influenced tool morphology, and that hook geometry in turn affected crows' foraging efficiency. Specifically, hook depth varied with both detachment technique and plant rigidity, and deeper hooks enabled faster prey extraction in the provided tasks. Older crows manufactured tools of distinctive shape, with pronounced shaft curvature and hooks of intermediate depth. Future work should explore the interactive effects of extrinsic and intrinsic factors on tool production and deployment. Our study provides a quantitative assessment of the drivers and functional significance of tool shape variation in a non-human animal, affording valuable comparative insights into early hominin tool crafting [9]. PMID- 29225030 TI - A Rare Cause of Critical Limb Ischaemia: An Aneurysmal Persistent Sciatic Artery. PMID- 29225029 TI - Vagus Motor Neuron Topographic Map Determined by Parallel Mechanisms of hox5 Expression and Time of Axon Initiation. AB - Many networks throughout the nervous system are organized into topographic maps, where the positions of neuron cell bodies in the projecting field correspond with the positions of their axons in the target field. Previous studies of topographic map development show evidence for spatial patterning mechanisms, in which molecular determinants expressed across the projecting and target fields are matched directly in a point-to-point mapping process. Here, we describe a novel temporal mechanism of topographic map formation that depends on spatially regulated differences in the timing of axon outgrowth and functions in parallel with spatial point-to-point mapping mechanisms. We focus on the vagus motor neurons, which are topographically arranged in both mammals and fish. We show that cell position along the anterior-posterior axis of hindbrain rhombomere 8 determines expression of hox5 genes, which are expressed in posterior, but not anterior, vagus motor neurons. Using live imaging and transplantation in zebrafish embryos, we additionally reveal that axon initiation is delayed in posterior vagus motor neurons independent of neuron birth time. We show that hox5 expression directs topographic mapping without affecting time of axon outgrowth and that time of axon outgrowth directs topographic mapping without affecting hox5 expression. The vagus motor neuron topographic map is therefore determined by two mechanisms that act in parallel: a hox5-dependent spatial mechanism akin to classic mechanisms of topographic map formation and a novel axon outgrowth dependent temporal mechanism in which time of axon formation is spatially regulated to direct axon targeting. PMID- 29225031 TI - Re: "Catheter Foam Sclerotherapy of Great Saphenous Vein, with Peri-saphenous Tumescence Infiltration and Saphenous Irrigation". PMID- 29225032 TI - Editor's Choice - Calcification of Thoracic and Abdominal Aneurysms is Associated with Mortality and Morbidity. AB - INTRODUCTION: Cardiovascular events are common in people with aortic aneurysms. Arterial calcification is a recognised predictor of cardiovascular outcomes in coronary artery disease. Whether calcification within abdominal and thoracic aneurysm walls is correlated with poor cardiovascular outcomes is not known. PATIENTS AND METHODS: Calcium scores were derived from computed tomography (CT) scans of consecutive patients with either infrarenal (AAA) or descending thoracic aneurysms (TAA) using the modified Agatston score. The primary outcome was subsequent all cause mortality during follow-up. Secondary outcomes were cardiovascular mortality and morbidity. RESULTS: A total of 319 patients (123 TAA and 196 AAA; median age 77 [71-84] years, 72% male) were included with a median follow-up of 30 months. The primary outcome occurred in 120 (37.6%) patients. In the abdominal aortic aneurysm group, the calcium score was significantly related to both all cause mortality and cardiac mortality (odds ratios (OR) of 2.246 (95% CI 1.591-9.476; p < 0.001) and 1.321 (1.076-2.762; p = 0.003)) respectively. In the thoracic aneurysm group, calcium score was significantly related to all cause mortality (OR 6.444; 95% CI 2.574-6.137; p < 0.001), cardiac mortality (OR 3.456; 95% CI 1.765-4.654; p = 0.042) and cardiac morbidity (OR 2.128; 95% CI 1.973 4.342; p = 0.002). CONCLUSIONS: Aortic aneurysm calcification, in either the thoracic or the abdominal territory, is significantly associated with both higher overall and cardiovascular mortality. Calcium scoring, rapidly derived from routine CT scans, may help identify high risk patients for treatment to reduce risk. PMID- 29225034 TI - Cytosolic Iron-Sulfur Assembly Is Evolutionarily Tuned by a Cancer-Amplified Ubiquitin Ligase. AB - The cytosolic iron-sulfur (Fe-S) cluster assembly (CIA) pathway functions to incorporate inorganic Fe-S cofactors into a variety of proteins, including several DNA repair enzymes. However, the mechanisms regulating the CIA pathway are unknown. We describe here that the MAGE-F1-NSE1 E3 ubiquitin ligase regulates the CIA pathway through ubiquitination and degradation of the CIA-targeting protein MMS19. Overexpression or knockout of MAGE-F1 altered Fe-S incorporation into MMS19-dependent DNA repair enzymes, DNA repair capacity, sensitivity to DNA damaging agents, and iron homeostasis. Intriguingly, MAGE-F1 has undergone adaptive pseudogenization in select mammalian lineages. In contrast, MAGE-F1 is highly amplified in multiple human cancer types and amplified tumors have increased mutational burden. Thus, flux through the CIA pathway can be regulated by degradation of the substrate-specifying MMS19 protein and its downregulation is a common feature in cancer and is evolutionarily controlled. PMID- 29225033 TI - Mutant p53 Gains Its Function via c-Myc Activation upon CDK4 Phosphorylation at Serine 249 and Consequent PIN1 Binding. AB - TP53 missense mutations significantly influence the development and progression of various human cancers via their gain of new functions (GOF) through different mechanisms. Here we report a unique mechanism underlying the GOF of p53-R249S (p53-RS), a p53 mutant frequently detected in human hepatocellular carcinoma (HCC) that is highly related to hepatitis B infection and aflatoxin B1. A CDK inhibitor blocks p53-RS's nuclear translocation in HCC, whereas CDK4 interacts with p53-RS in the G1/S phase of the cells, phosphorylates it, and enhances its nuclear localization. This is coupled with binding of a peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (PIN1) to p53-RS, but not the p53 form with mutations of four serines/threonines previously shown to be crucial for PIN1 binding. As a result, p53-RS interacts with c-Myc and enhances c-Myc-dependent rDNA transcription key for ribosomal biogenesis. These results unveil a CDK4-PIN1 p53-RS-c-Myc pathway as a novel mechanism for the GOF of p53-RS in HCC. PMID- 29225035 TI - Cockayne's Syndrome A and B Proteins Regulate Transcription Arrest after Genotoxic Stress by Promoting ATF3 Degradation. AB - Cockayne syndrome (CS) is caused by mutations in CSA and CSB. The CSA and CSB proteins have been linked to both promoting transcription-coupled repair and restoring transcription following DNA damage. We show that UV stress arrests transcription of approximately 70% of genes in CSA- or CSB-deficient cells due to the constitutive presence of ATF3 at CRE/ATF sites. We found that CSB, CSA/DDB1/CUL4A, and MDM2 were essential for ATF3 ubiquitination and degradation by the proteasome. ATF3 removal was concomitant with the recruitment of RNA polymerase II and the restart of transcription. Preventing ATF3 ubiquitination by mutating target lysines prevented recovery of transcription and increased cell death following UV treatment. Our data suggest that the coordinate action of CSA and CSB, as part of the ubiquitin/proteasome machinery, regulates the recruitment timing of DNA-binding factors and provide explanations about the mechanism of transcription arrest following genotoxic stress. PMID- 29225036 TI - Transcription and Remodeling Produce Asymmetrically Unwrapped Nucleosomal Intermediates. AB - Nucleosomes are disrupted during transcription and other active processes, but the structural intermediates during nucleosome disruption in vivo are unknown. To identify intermediates, we mapped subnucleosomal protections in Drosophila cells using Micrococcal Nuclease followed by sequencing. At the first nucleosome position downstream of the transcription start site, we identified unwrapped intermediates, including hexasomes that lack either proximal or distal contacts. Inhibiting topoisomerases or depleting histone chaperones increased unwrapping, whereas inhibiting release of paused RNAPII or reducing RNAPII elongation decreased unwrapping. Our results indicate that positive torsion generated by elongating RNAPII causes transient loss of histone-DNA contacts. Using this mapping approach, we found that nucleosomes flanking human CTCF insulation sites are similarly disrupted. We also identified diagnostic subnucleosomal particle remnants in cell-free human DNA data as a relic of transcribed genes from apoptosing cells. Thus identification of subnucleosomal fragments from nuclease protection data represents a general strategy for structural epigenomics. PMID- 29225037 TI - Understanding and Sensitizing Density-Dependent Persistence to Quinolone Antibiotics. AB - Physiologic and environmental factors can modulate antibiotic activity and thus pose a significant challenge to antibiotic treatment. The quinolone class of antibiotics, which targets bacterial topoisomerases, fails to kill bacteria that have grown to high density; however, the mechanistic basis for this persistence is unclear. Here, we show that exhaustion of the metabolic inputs that couple carbon catabolism to oxidative phosphorylation is a primary cause of growth phase dependent persistence to quinolone antibiotics. Supplementation of stationary phase cultures with glucose and a suitable terminal electron acceptor to stimulate respiratory metabolism is sufficient to sensitize cells to quinolone killing. Using this approach, we successfully sensitize high-density populations of Escherichia coli, Staphylococcus aureus, and Mycobacterium smegmatis to quinolone antibiotics. Our findings link growth-dependent quinolone persistence to discrete impairments in respiratory metabolism and identify a strategy to kill non-dividing bacteria. PMID- 29225038 TI - Cell Cycle Control by Nuclear Sequestration of CDC20 and CDH1 mRNA in Plant Stem Cells. AB - In eukaryotes, most RNA molecules are exported into the cytoplasm after transcription. Long noncoding RNAs (lncRNAs) reside and function primarily inside the nucleus, but nuclear localization of mRNAs has been considered rare in both animals and plants. Here we show that Arabidopsis anaphase-promoting complex/cyclosome (APC/C) coactivator genes CDC20 and CCS52B (CDH1 ortholog) are co-expressed with their target cyclin B genes (CYCBs) during mitosis. CYCB transcripts can be exported and translated; however, CDC20 and CCS52B mRNAs are confined to the nucleus at prophase, and the cognate proteins are not translated until the redistribution of the mRNAs to the cytoplasm after nuclear envelope breakdown (NEBD) at prometaphase. The 5' untranslated region (UTR) plays dual roles in CDC20 mRNA nuclear localization and translation. Mitotic accumulation of CDC20 and CCS52B transcripts enables the timely and rapid activation of APC/C, while the nuclear sequestration of these transcripts at prophase appears to protect cyclins from precocious degradation. PMID- 29225039 TI - A Massively Parallel Reporter Assay of 3' UTR Sequences Identifies In Vivo Rules for mRNA Degradation. AB - The stability of mRNAs is regulated by signals within their sequences, but a systematic and predictive understanding of the underlying sequence rules remains elusive. Here we introduce UTR-seq, a combination of massively parallel reporter assays and regression models, to survey the dynamics of tens of thousands of 3' UTR sequences during early zebrafish embryogenesis. UTR-seq revealed two temporal degradation programs: a maternally encoded early-onset program and a late-onset program that accelerated degradation after zygotic genome activation. Three signals regulated early-onset rates: stabilizing poly-U and UUAG sequences and destabilizing GC-rich signals. Three signals explained late-onset degradation: miR-430 seeds, AU-rich sequences, and Pumilio recognition sites. Sequence-based regression models translated 3' UTRs into their unique decay patterns and predicted the in vivo effect of sequence signals on mRNA stability. Their application led to the successful design of artificial 3' UTRs that conferred specific mRNA dynamics. UTR-seq provides a general strategy to uncover the rules of RNA cis regulation. PMID- 29225040 TI - Differential neuromodulatory role of endocannabinoids in the rodent trigeminal sensory ganglion and cerebral cortex relevant to pain processing. AB - Endocannabinoids are suggested to control pain, even though their clinical use is not fully validated and the underlying mechanisms are incompletely understood. To clarify the targets of endocannabinoid actions, we studied how activation of the endocannabinoid CB1 receptor (CB1R) affects neuronal responses in two in vitro preparations of rodents, namely the trigeminal sensory ganglion (TG) in culture and a coronal slice of the cerebral cortex. On TG small-medium size neurons, we tested whether submicromolar concentrations of the endogenous CB1R agonist anandamide (AEA) modulated inhibitory GABAA receptors and excitatory ATP-gated P2X3 receptors. AEA reversibly depressed GABA-mediated membrane currents without altering P2X3 receptor responses. The AEA antagonism was non-competitive, prevented by the CB1R antagonist AM-251, mimicked by the other cannabinoids 2 arachidonylglycerol and WIN 55,212-2, and insensitive to TRPV1 blocker capsazepine. AEA inhibited the potentiation of GABAergic responses by the cAMP activator forskolin, in line with the canonical inhibition of cAMP synthesis by CB1Rs. In the cerebral cortex, AEA or WIN 55,212-2 did not affect electrically evoked local field potentials or characteristics of cortical spreading depolarization (CSD) elicited by high potassium application. The GABAA receptor blocker gabazine, however, strongly enhanced field potentials without affecting CSD properties, suggesting that CSD was not dominantly controlled by GABAergic mechanisms. Our data propose that, despite the widespread expression of CB1Rs peripherally and centrally, the functional effects of AEA are region-specific and depend on CB1R coupling to downstream effectors. Future studies concerned with the mechanisms of AEA analgesia should perhaps be directed to discrete subcortical nuclei processing trigeminal inputs. PMID- 29225041 TI - Syringaresinol suppresses excitatory synaptic transmission and picrotoxin-induced epileptic activity in the hippocampus through presynaptic mechanisms. AB - Many neuromodulating drugs acting on the nervous system originate from botanical sources. These plant-derived substances modulate the activity of receptors, ion channels, or transporters in neurons. Their properties make the substances useful for medicine and research. Here, we show that the plant lignan (+)-syringaresinol (SYR) suppresses excitatory synaptic transmission via presynaptic modulation. Bath application of SYR rapidly reduced the slopes of the field excitatory postsynaptic potentials (fEPSPs) at the hippocampal Schaffer collateral (SC)-CA1 synapse in a dose-dependent manner. SYR preferentially affected excitatory synapses, while inhibitory synaptic transmission remained unchanged. SYR had no effect on the conductance or the desensitization of AMPARs but increased the paired-pulse ratios of synaptic responses at short (20-200 ms) inter-stimulus intervals. These presynaptic changes were accompanied by a reduction of the readily releasable pool size. Pretreatment of hippocampal slices with the Gi/o protein inhibitor N-ethylmaleimide (NEM) abolished the effect of SYR on excitatory synaptic transmission, while the application of SYR significantly decreased Ca2+ currents and hyperpolarized the resting membrane potentials of hippocampal neurons. In addition, SYR suppressed picrotoxin-induced epileptiform activity in hippocampal slices. Overall, our study identifies SYR as a new neuromodulating agent and suggests that SYR suppresses excitatory synaptic transmission by modulating presynaptic transmitter release. PMID- 29225042 TI - Endogenous dopamine and endocannabinoid signaling mediate cocaine-induced reversal of AMPAR synaptic potentiation in the nucleus accumbens shell. AB - Repeated exposure to drugs of abuse alters the structure and function of neural circuits mediating reward, generating maladaptive plasticity in circuits critical for motivated behavior. Within meso-corticolimbic dopamine circuitry, repeated exposure to cocaine induces progressive alterations in AMPAR-mediated glutamatergic synaptic transmission. During a 10-14 day period of abstinence from cocaine, AMPAR signaling is potentiated at synapses on nucleus accumbens (NAc) medium spiny neurons (MSNs), promoting a state of heightened synaptic excitability. Re-exposure to cocaine during abstinence, however, rapidly reverses and depotentiates enhanced AMPAR signaling. To understand how re-exposure to cocaine alters AMPAR synaptic transmission, we investigated the roles of dopamine and endocannabinoid (eCB) signaling in modifying synaptic strength in the NAc shell. Using patch-clamp recordings from NAc slices prepared after 10-14 days of abstinence from repeated cocaine, we found that AMPAR-mediated depotentiation is rapidly induced in the NAc shell within 20 min of cocaine re-exposure ex vivo, and persists for up to five days before synapses return to levels of potentiation observed during abstinence. In cocaine-treated animals, global dopamine receptor activation was both necessary and sufficient for the cocaine-evoked depotentiation of AMPAR synaptic function. Additionally, we identified that CB1 receptors are engaged by endogenous endocannabinoids (eCBs) during re-exposure to cocaine ex vivo. Overall, these results indicate the central role that dopamine and eCB signaling mechanisms play in modulating cocaine-induced AMPAR plasticity in the NAc shell. PMID- 29225043 TI - Neurogranin in the nucleus accumbens regulates NMDA receptor tolerance and motivation for ethanol seeking. AB - Dysfunction of N-methyl-d-aspartate receptor (NMDAR) signaling in the nucleus accumbens (NAc) has been implicated in the pathophysiology of alcohol use disorders (AUD). Neurogranin (Ng), a calmodulin-binding protein, is exclusively expressed in the post-synapse, and mediates NMDAR driven synaptic plasticity by regulating the calcium-calmodulin (Ca2+-CaM) pathway. To study the functional role of Ng in AUD, we administrated behavior tests including Pavlovian instrument transfer (PIT), operant conditioning, and rotarod test using Ng null mice (Ng-/- mice). We used adeno-associated virus (AAV)-mediated Ng expression and pharmacological manipulation to validate behavioral responses in Ng-/- mice. The results from our multidisciplinary approaches demonstrated that deficit of Ng increases tolerance to NMDAR inhibition and elicit faster cue reactivity during PIT without changes in ethanol reward. Operant conditioning results demonstrated that Ng-/- mice self-administered significantly more ethanol and displayed reduced sensitivity to aversive motivation. We identified that ethanol exposure decreases mGluR5 (metabotropic glutamate receptor 5) expression in the NAc of Ng /- mice and pharmacological inhibition of mGluR5 reverses NMDAR desensitization in Ng-/- mice. Together these findings specifically suggest that accumbal Ng plays an essential role in the counterbalance between NMDAR and mGluR5 signaling; which alters NMDAR resistance, and thereby altering aversive motivation for ethanol and may ultimately contribute to susceptibility for alcohol addiction. PMID- 29225044 TI - Fear extinction in an obsessive-compulsive disorder animal model: Influence of sex and estrous cycle. AB - Obsessive-compulsive disorder (OCD) is a neuropsychiatric condition that affects men and women equally, but with a sexually dimorphic pattern of development. Reproductive cycle events can influence symptom severity of OCD in females, indicating that ovarian hormones or their interaction with distinct neurotransmitter systems may play a role in OCD pathophysiology. Clinical studies and animal models have confirmed the importance of the serotonergic (5-HT) system in the neurobiology and treatment of OCD. Accordingly, the non-selective 5-HT2c agonist, meta-chlorophenylpiperazine (mCPP), exacerbates symptoms in untreated OCD patients. In rodents, it evokes repetitive behaviors that engage brain areas that are homologous with those found to be dysfunctional in OCD patients. These regions, including the medial prefrontal and anterior cingulate cortices, are also involved in fear inhibition, which is impaired in OCD. Here, we treated rats with mCPP (0.5 and 3.0 mg/kg) to evaluate its influence on self-grooming behavior and assess potential fear extinction retention deficits, taking into account sex differences and females' estrous cycle. We found that mCPP exacerbated grooming in male and female rats, irrespective of the estrous cycle phase. Fear extinction retention, however, was impaired only in females. Moreover, females undergoing fear extinction training during the metestrus/diestrus phases of the estrous cycle were more sensitive to the impairments induced by mCPP. Our results indicate that mCPP can induce OCD-like symptoms, exacerbating self-grooming and impairing fear extinction. It suggests that changes in 5-HT signaling through 5 HT2c receptors may have an important role in the OCD pathophysiology and that the influence of gonadal hormones in OCD should be further investigated. PMID- 29225045 TI - Post-reexposure administration of riluzole attenuates the reconsolidation of conditioned fear memory in rats. AB - Recently, we demonstrated that riluzole, which has been shown to block the glutamatergic system, facilitates fear extinction in rats. Here, we undertook experiments on contextual fear conditioning to clarify the actions of riluzole on the reconsolidation of fear memory in rats. We used the fast-acting benzodiazepine midazolam as a reconsolidation-inhibiting control drug. We demonstrated that riluzole (3 mg/kg) and midazolam (1 mg/kg) impaired the reconsolidation of contextual fear memory. Results from spontaneous recovery experiments also suggested that riluzole attenuated reconsolidation. Indeed, conditioned fear did not recover spontaneously 4 weeks after a short (3 min) reexposure and riluzole administration, whereas it recovered after a long (10 min) reexposure. Using western blotting, we demonstrated that a short reexposure increased the phosphorylation of cyclic adenosine monophosphate response element binding protein significantly in the dorsal part of hippocampus, but not in the medial prefrontal cortex. Interestingly, this phosphorylation was attenuated by riluzole with short reexposure. In addition, bilateral microinjection of riluzole (2 MUM/0.2 MUl/side) directly into the dorsal hippocampus clearly attenuated the reconsolidation. These findings suggested that the attenuating effect of riluzole on the reconsolidation of fear memory involves, at least in part, the dorsal part of the hippocampus. In conclusion, we demonstrated that riluzole attenuates the reconsolidation of fear memory in rats. PMID- 29225046 TI - High-level expression and immunogenicity of porcine circovirus type 2b capsid protein without nuclear localization signal expressed in Hansenula polymorpha. AB - Currently, porcine circovirus type 2b (PCV2b) is the dominant PCV2 genotype causing postweaning multisystemic wasting disease (PMWS) in pigs worldwide. Efforts have been made to develop various recombinant capsid proteins of PCV2b used in vaccines against PCV2b. However, the nuclear localization signal (NLS) of PCV2b capsid protein (CP) was found to inhibit the expression of the whole length capsid protein in E.coli. Here, we expressed a NLS-deleted capsid protein (DeltaCP) of PCV2b in Hansenula polymorpha based on the capsid protein of PCV2b strain Y-7 isolated in China. Comparatively, the DeltaCP was expressed at a higher level than the CP. The purified DeltaCP could self-assemble into virus like particles (VLPs) with similar morphology of the VLPs formed by CP. The purified DeltaCP could be recognized by the anti-sera derived from the mice immunized by inactivated PCV2b particles. Furthermore, it induced higher levels of PCV2b specific antibodies than the purified CP in mice. These results showed that the DeltaCP, a recombinant PCV2b capsid protein without nuclear localization signal sequence, could be efficiently expressed in Hansenula polymorpha, and used as a candidate antigen for the development of PCV2b vaccines. PMID- 29225047 TI - MALDI-TOF MS analysis as a useful tool for an identification of Legionella pneumophila, a facultatively pathogenic bacterium interacting with free-living amoebae: A case study from water supply system of hospitals in Bratislava (Slovakia). AB - Legionellae, i.e. Legionella pneumophila, are human bacterial hydrophilic facultative pathogens causing pneumonia (Legionnaires' disease). Free-living amoebae (FLA) can serve as natural hosts and thus as reservoirs of many amoebae resistant bacteria. An encysted amoeba can contribute to the resistance of intracellular L. pneumophila to various chemical and physical treatments. Humans can be infected by droplets containing bacteria from an environmental source or human-made devices such as shower heads, bathtubs, air-conditioning units or whirlpools. In this study, we were investigating the presence of FLA and L. pneumophila in plumbing systems of healthcare facilities in Bratislava (Slovakia) by standard diagnostic methods, while the presence of L. pneumophila was verified also by MALDI-TOF MS (matrix-assisted laser desorption/ionization time-of-flight mass spectrometry) analysis. The results showed the occurrence of L. pneumophila and FLA in 62.26% and 66.4% of samples taken from four paediatric clinics, respectively. Both standard methods and MALDI-TOF MS showed comparable results and they can be successfully applied for the identification of L. pneumophila strains in environmental samples. Our approach could be useful for further monitoring, prevention and decreasing risk of Legionella infection also in other hospitals. PMID- 29225048 TI - De novo assembly and functional annotations of the transcriptome of Metorchis orientalis (trematoda: Opisthorchiidae). AB - Metorchis orientalis is a neglected zoonotic parasite, living in the gallbladder and bile duct of poultry and some mammals as well as humans. In spite of its economic and medical importance, the information known about the transcriptome and genome of M. orientalis is limited. In this study, we performed de novo sequencing, transcriptome assembly and functional annotations of the adult M. orientalis, obtained about 77.4 million high-quality clean reads, among which the length of the transcript contigs ranged from 100 to 11,249 nt with mean length of 373 nt and N50 length of 919 nt. We then assembled 31,943 unigenes, of which 20,009 (62.6%) were annotated by BLASTn and BLASTx searches against the available database. Among these unigenes, 19,795 (62.0%), 3407 (10.7%), 10,620 (33.2%) of them had significant similarity in the NR, NT and Swiss-Prot databases, respectively; 5744 (18.0%) and 4678 (14.6%) unigenes were assigned to GO and COG, respectively; and 9099 (28.5%) unigenes were identified and mapped onto 256 pathways in the KEGG Pathway database. Furthermore, we found that 98 (1.08%) unigenes were related to bile secretion and 5 (0.05%) to primary bile acid biosynthesis pathways category. The characterization of these transcriptomic data has implications for the better understanding of the biology of M. orientalis, and will facilitate the development of intervention agents for this and other pathogenic flukes of human and animal health significance. PMID- 29225049 TI - Oxidative stress and Na,K-ATPase activity differential regulation in brainstem and forebrain of Wistar Audiogenic rats may lead to increased seizure susceptibility. AB - The Wistar Audiogenic Rat (WAR) is a well-characterized seizure-prone, inbred rodent strain that, when acutely stimulated with high-intensity sounds, develops brainstem-dependent tonic-clonic seizures that can evolve to limbic-like, myoclonic (forebrain) seizures when the acoustic stimuli are presented chronically (audiogenic kindling). In order to investigate possible mechanisms underlying WAR susceptibility to seizures, we evaluated Na,K-ATPase activity, Ca ATPase activity, Mg-ATPase activity, lipid membrane composition and oxidative stress markers in whole forebrain and whole brainstem samples of naive WAR, as compared to samples from control Wistar rats. We also evaluated the expression levels of alpha1 and alpha3 isoforms of Na,K-ATPase in forebrain samples. We observed increased Na,K-ATPase activity in forebrain samples and increased oxidative stress markers (lipid peroxidation, glutathione peroxidase and superoxide dismutase) in brainstem samples of WAR. The Ca-ATPase activity, Mg ATPase activity, lipid membrane composition and expression levels of alpha1 and alpha3 isoforms of Na,K-ATPase were unaltered. In view of previous data showing that the membrane potentials from naive WAR's neurons are less negative than that from neurons from Wistar rats, we suggest that Na,K-ATPase increased activity might be involved in a compensatory mechanism necessary to maintain WAR's brains normal activity. Additionally, ongoing oxidative stress in the brainstem could bring Na,K-ATPase activity back to normal levels, which may explain why WAR's present increased susceptibility to seizures triggered by high-intensity sound stimulation. PMID- 29225050 TI - Inhibition of the mitochondrial calcium uniporter prevents IL-13 and allergen mediated airway epithelial apoptosis and loss of barrier function. AB - Mitochondria are increasingly recognized as key mediators of acute cellular stress responses in asthma. However, the distinct roles of regulators of mitochondrial physiology on allergic asthma phenotypes are currently unknown. The mitochondrial Ca2+ uniporter (MCU) resides in the inner mitochondrial membrane and controls mitochondrial Ca2+ uptake into the mitochondrial matrix. To understand the function of MCU in models of allergic asthma, in vitro and in vivo studies were performed using models of functional deficiency or knockout of MCU. In primary human respiratory epithelial cells, MCU inhibition abrogated mitochondrial Ca2+ uptake and reactive oxygen species (ROS) production, preserved the mitochondrial membrane potential and protected from apoptosis in response to the pleiotropic Th2 cytokine IL-13. Consequently, epithelial barrier function was maintained with MCU inhibition. Similarly, the endothelial barrier was preserved in respiratory epithelium isolated from MCU-/- mice after exposure to IL-13. In the ovalbumin-model of allergic airway disease, MCU deficiency resulted in decreased apoptosis within the large airway epithelial cells. Concordantly, expression of the tight junction protein ZO-1 was preserved, indicative of maintenance of epithelial barrier function. These data implicate mitochondrial Ca2+ uptake through MCU as a key controller of epithelial cell viability in acute allergic asthma. PMID- 29225051 TI - gamma-Taxilin temporally regulates centrosome disjunction in a Nek2A-dependent manner. AB - Never in mitosis A-related kinase 2A (Nek2A), a centrosomal serine/threonine kinase, is involved in mitotic progression by regulating the centrosome cycle. Particularly, Nek2A is necessary for dissolution of the intercentriole linkage between the duplicated centrosomes prior to mitosis. Nek2A activity roughly parallels its cell cycle-dependent expression levels, but the precise mechanism regulating its activity remains unclear. In this study, we found that gamma taxilin co-localized with Nek2A at the centrosome during interphase and interacted with Nek2A in yeast two-hybrid and pull-down assays and that gamma taxilin regulated centrosome disjunction in a Nek2A-dependent manner. gamma Taxilin depletion increased the number of cells with striking splitting of centrosomes. The precocious splitting of centrosomes induced by gamma-taxilin depletion was attenuated by Nek2A depletion, suggesting that gamma-taxilin depletion induces the Nek2A-mediated dissolution of the intercentriole linkage between the duplicated centrosomes nevertheless mitosis does not yet begin. Taken together with the result that gamma-taxilin protein expression levels were decreased at the onset of mitosis, we propose that gamma-taxilin participates in Nek2A-mediated centrosome disjunction as a negative regulator through its interaction with Nek2A. PMID- 29225053 TI - Electronic consults for improving vancomycin use. PMID- 29225052 TI - Supersulfated low-molecular weight heparin synergizes with IGF1R/IR inhibitor to suppress synovial sarcoma growth and metastases. AB - Synovial sarcoma (SS) is an aggressive tumor with propensity for lung metastases which significantly impact patients' prognosis. New therapeutic approaches are needed to improve treatment outcome. Targeting the heparanase/heparan sulfate proteoglycan system by heparin derivatives which act as heparanase inhibitors/heparan sulfate mimetics is emerging as a therapeutic approach that can sensitize the tumor response to chemotherapy. We investigated the therapeutic potential of a supersulfated low molecular weight heparin (ssLMWH) in preclinical models of SS. ssLMWH showed a potent anti-heparanase activity, dose-dependently inhibited SS colony growth and cell invasion, and downregulated the activation of receptor tyrosine kinases including IGF1R and IR. The combination of ssLMWH and the IGF1R/IR inhibitor BMS754807 synergistically inhibited proliferation of cells exhibiting IGF1R hyperactivation, also abrogating cell motility and promoting apoptosis in association with PI3K/AKT pathway inhibition. The drug combination strongly enhanced the antitumor effect against the CME-1 model, as compared to single agent treatment, abrogating orthotopic tumor growth and significantly repressing spontaneous lung metastatic dissemination in treated mice. These findings provide a strong preclinical rationale for developing drug regimens combining heparanase inhibitors/HS mimetics with IGF1R antagonists for treatment of metastatic SS. PMID- 29225055 TI - Surgical antisepsis of hands: a two-step procedure with chlorhexidine to surpass the EN 12791. PMID- 29225054 TI - Clinical efficacy of seasonal influenza vaccination: characteristics of two outbreaks of influenza A(H1N1) in immunocompromised patients. AB - BACKGROUND: Influenza A(H1N1) causes serious complications in immunocompromised patients. The efficacy of seasonal vaccination in these patients has been questioned. AIM: To describe two outbreaks of influenza A(H1N1) in immunocompromised patients. METHODS: Two outbreaks of influenza A(H1N1) occurred in our institution: on the kidney transplant ward in 2014 including patients early after kidney or simultaneous pancreas-kidney transplantation, and on the oncology ward in 2016 including patients receiving chemotherapy for malignant tumours. Factors leading to these outbreaks and the clinical efficacy of seasonal influenza vaccination were analysed. FINDINGS: Altogether 86 patients were exposed to influenza A(H1N1) during the outbreaks, among whom the seasonal influenza vaccination status was unknown in 10. Only three out of 38 vaccinated patients were infected with influenza A(H1N1), compared with 20 out of 38 unvaccinated patients (P = 0.02). The death of one out of 38 vaccinated patients was associated with influenza, compared with seven out of 38 unvaccinated patients (P = 0.06). Shared factors behind the two outbreaks included outdated facilities not designed for the treatment of immunosuppressed patients. Vaccination coverage among patients was low, between 40% and 70% despite vaccination being offered to all patients free of charge. Vaccination coverage of healthcare workers on the transplant ward was low (46%), but, despite high coverage on the oncology ward (92%), the outbreak occurred. CONCLUSION: Seasonal influenza vaccination was clinically effective with both a reduced risk of influenza infection and a trend towards reduced mortality in these immunocompromised patients. Several possible causes were identified behind these two outbreaks, requiring continuous awareness in healthcare professionals to prevent further outbreaks. PMID- 29225056 TI - Radical Nephrectomy with or without Lymph Node Dissection for High Risk Nonmetastatic Renal Cell Carcinoma: A Multi-Institutional Analysis. AB - PURPOSE: Lymph node dissection may benefit patients at increased risk for lymph node metastases from renal cell carcinoma. Therefore, we evaluated the association of lymph node dissection with survival in patients at high risk undergoing radical nephrectomy for renal cell carcinoma. MATERIALS AND METHODS: We identified 2,722 patients with M0 renal cell carcinoma who underwent radical nephrectomy with or without lymph node dissection at 2 international centers from 1990 to 2010. The associations of lymph node dissection with the development of distant metastases, and cancer specific and all cause mortality were evaluated using propensity score techniques and traditional multivariable Cox regression. Subset analyses were done to examine patients at increased risk of lymph node metastases. RESULTS: Overall 171 patients (6.3%) had pN1 disease. Median followup was 9.6 years. Clinicopathological features were well balanced after propensity score adjustment. Lymph node dissection was not significantly associated with a reduced risk of distant metastases, or cancer specific or all cause mortality in the overall cohort, among patients with preoperative radiographic lymphadenopathy (cN1), or across an increasing probability of pN1 disease from 0.10 or greater to 0.50 or greater. Neither extended lymph node dissection nor the extent of lymph node dissection was associated with improved oncologic outcomes. CONCLUSIONS: The current analysis of a large, international cohort indicates that lymph node dissection is not associated with improved oncologic outcomes among patients at high risk who undergo radical nephrectomy for M0 renal cell carcinoma. This includes patients with radiographic lymphadenopathy (cN1) and across increasing probability thresholds of pN1 disease. PMID- 29225057 TI - Comparison of Pathological and Oncologic Outcomes of Favorable Risk Gleason Score 3 + 4 and Low Risk Gleason Score 6 Prostate Cancer: Considerations for Active Surveillance. AB - PURPOSE: Recent NCCN(r) (National Comprehensive Cancer Network(r)) Guidelines(r) show that patients with biopsy Gleason score 3 + 4/Grade Group 2 but otherwise favorable features are active surveillance candidates. However, little is known about the long-term outcomes compared to that in men in the low risk Gleason score 6/Grade Group 1 group. We sought to clarify the risk of adverse features and oncologic outcomes in surgically treated, favorable Grade Group 2 vs 1 cases. MATERIALS AND METHODS: We queried our prospectively maintained radical prostatectomy database for all 8,095 patients with biopsy Grade Group 1 or 2 prostate cancer who otherwise fulfilled the NCCN low risk definition of prostate specific antigen less than 10 ng/ml and cT2a or less, and who underwent radical prostatectomy from 1987 to 2014. Multivariable logistic regression and Kaplan Meier methods were used to compare pathological and oncologic outcomes. RESULTS: Organ confined disease was present in 93.9% and 82.6% of Grade Group 1 and favorable intermediate risk Grade Group 2 cases while seminal vesicle invasion was noted in 1.7% and 4.7%, and nodal disease was noted in 0.3% and 1.8%, respectively (all p <0.0001). On multivariable logistic regression biopsy proven Grade Group 2 disease was associated with a threefold greater risk of nonorgan confined disease (OR 3.1, 95% CI 1.7-5.7, p <0.001). The incidence of late treatment (more than 90 days from surgery) in Grade Group 1 vs 2 was 3.1% vs 8.5% for hormonal therapy and 6.0% vs 12.2% for radiation (p <0.001). In the Grade Group 1 vs 2 cohorts the 10-year biochemical recurrence-free survival rate was 88.9% vs 81.2% and the 10-year systemic progression-free survival rate was 99% vs 96.5% (each p <0.001). CONCLUSIONS: Men at favorable risk with Grade Group 2 disease who are considering active surveillance should be informed of the risks of harboring adverse pathological features which impact secondary therapies and an increased risk of cancer progression. PMID- 29225058 TI - Impact of Comorbidities on Functional Recovery from Partial Nephrectomy. AB - PURPOSE: Parenchymal mass preservation, and ischemia type and/or duration can influence functional recovery after partial nephrectomy. Some groups have hypothesized that relevant comorbidities may also impact nephron stability and functional recovery but this has not been adequately investigated. MATERIALS AND METHODS: At our center 405 patients treated with partial nephrectomy from 2007 to 2015 had the necessary data to determine the function and parenchymal mass preserved in the ipsilateral kidney. Comorbidities potentially associated with renal functional status were reviewed, including various degrees of hypertension, diabetes, cardiovascular disease, obesity, smoking status and related medications. Multivariable linear regression was done to assess factors associated with functional recovery, defined as the percent of preserved ipsilateral glomerular filtration rate. RESULTS: Median tumor size was 3.5 cm and the median R.E.N.A.L. (radius, exophytic/endophytic properties, nearness of tumor to collecting system or sinus, anterior/posterior, location relative to polar lines and tumor touching main renal artery or vein) score was 8. Warm and cold ischemia were done in 264 (65%) and 141 patients for a median duration of 21 and 27 minutes, respectively. The median preserved ipsilateral glomerular filtration rate was 79%. Patient age, comorbidity index, hypertension and proteinuria were each associated with the preoperative glomerular filtration rate (all p <0.01). On univariable and multivariable analyses the preserved parenchymal mass, and ischemia type and duration were significantly associated with functional recovery (all p <0.001). On univariable analysis of comorbidities only hypertension was significantly associated with functional recovery. However, on multivariable analysis none of the analyzed comorbidities were associated with functional recovery. CONCLUSIONS: Recovery of function after partial nephrectomy depends primarily on parenchymal mass preservation and ischemia characteristics. Comorbidities failed to be associated with functional outcomes. Comorbidities can impact function, leading to surgery, and may influence long-term functional stability. However, our data suggest that they do not influence short-term recovery after partial nephrectomy. PMID- 29225059 TI - Effect of Music on Outpatient Urological Procedures: A Systematic Review and Meta Analysis from the European Association of Urology Section of Uro-Technology. AB - PURPOSE: Music is a practical, inexpensive and harmless analgesic and anxiolytic. An increasing number of original studies have been performed to investigate its potential application in urology. Our aim was to identify the effect of music on outpatient based urological procedures. MATERIALS AND METHODS: We systematically reviewed the effect of using music during all reported outpatient urology procedures, including transrectal ultrasound guided prostate biopsy, shock wave lithotripsy, urodynamic studies, percutaneous nephrostomy tube placement and cystoscopy. Data were included on all randomized trials from 1980 to 2017 and no language restrictions were applied. RESULTS: Included in analysis were 16 randomized studies in which 972 of 1,950 patients (49.8%) were exposed to music during an outpatient procedure. The procedures included transrectal ultrasound guided prostate biopsy in 4 studies in a total of 286 patients, shock wave lithotripsy in 6 studies in a total of 1,023, cystoscopy in 3 studies in a total of 331, urodynamics in 2 studies in a total of 210 and percutaneous nephrostomy in 1 study in a total of 100. All studies incorporated a visual analog score to measure pain. Anxiety was measured by STAI (State-Trait Anxiety Inventory) in 13 studies and by a visual analog scale in 2. While 14 of the 16 studies showed a reduction in self-reported pain, a reduction in anxiety was seen in 14. When using music, overall procedural satisfaction was better in 9 studies and patient willingness to repeat the procedure was also higher in 7. Our meta-analysis revealed a significant reduction in visual analog scale and STAI findings across all studies (p <0.001). CONCLUSIONS: Our systematic review demonstrated a beneficial effect of music on urological outpatient procedures. Music seemed to decrease anxiety and pain. It might serve as a useful adjunct to increase procedural satisfaction and patient willingness to undergo the procedure again. PMID- 29225060 TI - Functional Recovery, Oncologic Outcomes and Postoperative Complications after Robot-Assisted Radical Prostatectomy: An Evidence-Based Analysis Comparing the Retzius Sparing and Standard Approaches. AB - PURPOSE: We report a 1-year update of functional urinary and sexual recovery, oncologic outcomes and postoperative complications in patients who completed a randomized controlled trial comparing posterior (Retzius sparing) with anterior robot-assisted radical prostatectomy. MATERIALS AND METHODS: A total of 120 patients with clinically low-intermediate risk prostate cancer were randomized to undergo robot-assisted radical prostatectomy via the posterior and anterior approach in 60 each. Surgery was performed by a single surgical team at an academic institution. An independent third party ascertained urinary and sexual function outcomes preoperatively, and 3, 6 and 12 months after surgery. Oncologic outcomes consisted of positive surgical margins and biochemical recurrence-free survival. Biochemical recurrence was defined as 2 postoperative prostate specific antigen values of 0.2 ng/ml or greater. RESULTS: Median age of the cohort was 61 years and median followup was 12 months. At 12 months in the anterior vs posterior prostatectomy groups there were no statistically significant differences in the urinary continence rate (0 to 1 security pad per day in 93.3% vs 98.3%, p = 0.09), 24-hour pad weight (median 12 vs 7.5 gm, p = 0.3), erection sufficient for intercourse (69.2% vs 86.5%) or postoperative Sexual Health Inventory for Men score 17 or greater (44.6% vs 44.1%). In the posterior vs anterior prostatectomy groups a nonfocal positive surgical margin was found in 11.7% vs 8.3%, biochemical recurrence-free survival probability was 0.84 vs 0.93 and postoperative complications developed in 18.3% vs 11.7%. CONCLUSIONS: Among patients with clinically low-intermediate risk prostate cancer randomized to anterior (Menon) or posterior (Bocciardi) approach robot-assisted radical prostatectomy the differences in urinary continence seen at 3 months were muted at the 12-month followup. Sexual function recovery, postoperative complication and biochemical recurrence rates were comparable 1 year postoperatively. PMID- 29225061 TI - Crowdsourcing Disease Biomarker Discovery Research: The IP4IC Study. AB - PURPOSE: Biomarker discovery is limited by readily assessable, cost efficient human samples available in large numbers that represent the entire heterogeneity of the disease. We developed a novel, active participation crowdsourcing method to determine BP-RS (Bladder Permeability Defect Risk Score). It is based on noninvasive urinary cytokines to discriminate patients with interstitial cystitis/bladder pain syndrome who had Hunner lesions from controls and patients with interstitial cystitis/bladder pain syndrome but without Hunner lesions. MATERIALS AND METHODS: We performed a national crowdsourcing study in cooperation with the Interstitial Cystitis Association. Patients answered demographic, symptom severity and urinary frequency questionnaires on a HIPAA (Health Insurance Portability and Accountability Act) compliant website. Urine samples were collected at home, stabilized with a preservative and sent to Beaumont Hospital for analysis. The expression of 3 urinary cytokines was used in a machine learning algorithm to develop BP-RS. RESULTS: The IP4IC study collected a total of 448 urine samples, representing 153 patients (147 females and 6 males) with interstitial cystitis/bladder pain syndrome, of whom 54 (50 females and 4 males) had Hunner lesions. A total of 159 female and 136 male controls also participated, who were age matched. A defined BP-RS was calculated to predict interstitial cystitis/bladder pain syndrome with Hunner lesions or a bladder permeability defect etiology with 89% validity. CONCLUSIONS: In this novel participation crowdsourcing study we obtained a large number of urine samples from 46 states, which were collected at home, shipped and stored at room temperature. Using a machine learning algorithm we developed BP-RS to quantify the risk of interstitial cystitis/bladder pain syndrome with Hunner lesions, which is indicative of a bladder permeability defect etiology. To our knowledge BP-RS is the first validated urine biomarker assay for interstitial cystitis/bladder pain syndrome and one of the first biomarker assays to be developed using crowdsourcing. PMID- 29225062 TI - Systematic review of the empirical investigation of resources to support decision making regarding BRCA1 and BRCA2 genetic testing in women with breast cancer. AB - OBJECTIVE: Identify existing resources developed and/or evaluated empirically in the published literature designed to support women with breast cancer making decisions regarding genetic testing for BRCA1/2 mutations. METHODS: Systematic review of seven electronic databases. Studies were included if they described or evaluated resources that were designed to support women with breast cancer in making a decision to have genetic counselling or testing for familial breast cancer. Outcome and process evaluations, using any type of study design, as well as articles reporting the development of decision aids, were eligible for inclusion. RESULTS: Total of 9 publications, describing 6 resources were identified. Resources were effective at increasing knowledge or understanding of hereditary breast cancer. Satisfaction with resources was high. There was no evidence that any resource increased distress, worry or decisional conflict. Few resources included active functionalities for example, values-based exercises, to support decision-making. CONCLUSION: Tailored resources supporting decision making may be helpful and valued by patients and increase knowledge of hereditary breast cancer, without causing additional distress. PRACTICE IMPLICATIONS: Clinicians should provide supportive written information to patients where it is available. However, there is a need for robustly developed decision tools to support decision-making around genetic testing in women with breast cancer. PMID- 29225063 TI - The infant motor system predicts actions based on visual statistical learning. AB - Motor theories of action prediction propose that our motor system combines prior knowledge with incoming sensory input to predict other people's actions. This prior knowledge can be acquired through observational experience, with statistical learning being one candidate mechanism. But can knowledge learned through observation alone transfer into predictions generated in the motor system? To examine this question, we first trained infants at home with videos of an unfamiliar action sequence featuring statistical regularities. At test, motor activity was measured using EEG and compared during perceptually identical time windows within the sequence that preceded actions which were either predictable (deterministic) or not predictable (random). Findings revealed increased motor activity preceding the deterministic but not the random actions, providing the first evidence that the infant motor system can use knowledge from statistical learning to predict upcoming actions. As such, these results support theories in which the motor system underlies action prediction. PMID- 29225064 TI - Intracranial high-gamma connectivity distinguishes wakefulness from sleep. AB - Neural synchrony in the gamma-band is considered a fundamental process in cortical computation and communication and it has also been proposed as a crucial correlate of consciousness. However, the latter claim remains inconclusive, mainly due to methodological limitations, such as the spectral constraints of scalp-level electroencephalographic recordings or volume-conduction confounds. Here, we circumvented these caveats by comparing gamma-band connectivity between two global states of consciousness via intracranial electroencephalography (iEEG), which provides the most reliable measurements of high-frequency activity in the human brain. Non-REM Sleep recordings were compared to passive-wakefulness recordings of the same duration in three subjects with surgically implanted electrodes. Signals were analyzed through the weighted Phase Lag Index connectivity measure and relevant graph theory metrics. We found that connectivity in the high-gamma range (90-120 Hz), as well as relevant graph theory properties, were higher during wakefulness than during sleep and discriminated between conditions better than any other canonical frequency band. Our results constitute the first report of iEEG differences between wakefulness and sleep in the high-gamma range at both local and distant sites, highlighting the utility of this technique in the search for the neural correlates of global states of consciousness. PMID- 29225065 TI - An unbiased data-driven age-related structural brain parcellation for the identification of intrinsic brain volume changes over the adult lifespan. AB - This study aims to elucidate age-related intrinsic brain volume changes over the adult lifespan using an unbiased data-driven structural brain parcellation. Anatomical brain images from a cohort of 293 healthy volunteers ranging in age from 21 to 86 years were analyzed using independent component analysis (ICA). ICA based parcellation identified 192 component images, of which 174 (90.6%) showed a significant negative correlation with age and with some components being more vulnerable to aging effects than others. Seven components demonstrated a convex slope with aging; 3 components had an inverted U-shaped trajectory, and 4 had a U shaped trajectory. Linear combination of 86 components provided reliable prediction of chronological age with a mean absolute prediction error of approximately 7.2 years. Structural co-variation analysis showed strong interhemispheric, short-distance positive correlations and long-distance, inter lobar negative correlations. Estimated network measures either exhibited a U- or an inverted U-shaped relationship with age, with the vertex occurring at approximately 45-50 years. Overall, these findings could contribute to our knowledge about healthy brain aging and could help provide a framework to distinguish the normal aging processes from that associated with age-related neurodegenerative diseases. PMID- 29225066 TI - Perturbation of whole-brain dynamics in silico reveals mechanistic differences between brain states. AB - Human neuroimaging research has revealed that wakefulness and sleep involve very different activity patterns. Yet, it is not clear why brain states differ in their dynamical complexity, e.g. in the level of integration and segregation across brain networks over time. Here, we investigate the mechanisms underlying the dynamical stability of brain states using a novel off-line in silico perturbation protocol. We first adjust a whole-brain computational model to the basal dynamics of wakefulness and deep sleep recorded with fMRI in two independent human fMRI datasets. Then, the models of sleep and awake brain states are perturbed using two distinct multifocal protocols either promoting or disrupting synchronization in randomly selected brain areas. Once perturbation is halted, we use a novel measure, the Perturbative Integration Latency Index (PILI), to evaluate the recovery back to baseline. We find a clear distinction between models, consistently showing larger PILI in wakefulness than in deep sleep, corroborating previous experimental findings. In the models, larger recoveries are associated to a critical slowing down induced by a shift in the model's operation point, indicating that the awake brain operates further from a stable equilibrium than deep sleep. This novel approach opens up for a new level of artificial perturbative studies unconstrained by ethical limitations allowing for a deeper investigation of the dynamical properties of different brain states. PMID- 29225068 TI - Lysophosphatidylcholine and its phosphorothioate analogues potentiate insulin secretion via GPR40 (FFAR1), GPR55 and GPR119 receptors in a different manner. AB - Lysophosphatidylcholine (LPC) is an endogenous ligand for GPR119 receptor, mediating glucose-stimulated insulin secretion (GSIS). We demonstrate that LPC facilitates GSIS in MIN6 pancreatic beta-cell line and murine islets of Langerhans by recognizing not only GPR119 but also GPR40 (free fatty acid receptor 1) and GPR55 activated by lysophosphatidylinositol. Natural LPCs are unstable when administered in vivo limiting their therapeutic value and therefore, we present phosphorothioate LPC analogues with increased stability. All the modified LPCs under study (12:0, 14:0, 16:0, 18:0, and 18:1) significantly enhanced GSIS. The 16:0 sulfur analogue was the most potent, evoking 2-fold accentuated GSIS compared to the native counterpart. Interestingly, LPC analogues evoked GPR40-, GPR55-and GPR119-dependent [Ca2+]i signaling, but did not stimulate cAMP accumulation as in the case of unmodified molecules. Thus, introduction of a phosphorothioate function not only increases LPC stability but also modulates affinity towards receptor targets and evokes different signaling pathways. PMID- 29225067 TI - The dynamics of native Atoh7 protein expression during mouse retinal histogenesis, revealed with a new antibody. AB - The Atoh7 transcription factor catalyzes the rate-limiting step in the specification of retinal ganglion cells (RGCs). As a tool to study vertebrate retinal development, we validate an antibody that recognizes human and mouse Atoh7 polypeptide, using informative knockout and transgenic mouse tissues and overexpression experiments. The transient features of Atoh7 protein expression during retinal neurogenesis match the expected pattern at the tissue and cellular level. Further, we compare endogenous Atoh7 to established RGC markers, reporter mouse lines and cell cycle markers, demonstrating the utility of the antibody to investigate molecular mechanisms of retinal histogenesis. PMID- 29225069 TI - Stimulation of B-Raf increases c-Jun and c-Fos expression and upregulates AP-1 regulated gene transcription in insulinoma cells. AB - Stimulation of pancreatic beta-cells with glucose activates the protein kinases B Raf and extracellular signal-regulated protein kinase that participate in glucose sensing. Inhibition of both kinases results in impairment of glucose-regulated gene transcription. To analyze the signaling pathway controlled by B-Raf, we expressed a conditionally active form of B-Raf in INS-1 insulinoma cells. Here, we show that stimulation of B-Raf strongly activated the transcription factor AP 1 which is accompanied by increased c-Jun and c-Fos promoter activities, an upregulation of c-Jun and c-Fos biosynthesis, and elevated transcriptional activation potentials of c-Jun and c-Fos. Mutational analysis identified the AP-1 sites within the c-Jun promoter and the serum response element (SRE) within the c Fos promoter as the essential genetic elements connecting B-Raf stimulation with AP-1 activation. In line with this, the transcriptional activation potential of the SRE-binding protein Elk-1 was increased following B-Raf activation. The signal pathway from B-Raf to AP-1 required the activation of c-Jun. We identified the cyclin D1 gene as a delayed response gene for AP-1 following stimulation of B Raf in insulinoma cells. Moreover, MAP kinase phosphatase-1 and the Ca2+/calmodulin-dependent protein phosphatase calcineurin were identified to function as shut-off-devices for the signaling cascade connecting B-Raf stimulation with the activation of AP-1. The fact that stimulation with glucose, activation of L-type voltage-gated Ca2+ channels, and stimulation of B-Raf all trigger an activation of AP-1 indicates that AP-1 is a point of convergence of signaling pathways in beta-cell. PMID- 29225070 TI - Escherichia coli spontaneous community-acquired meningitis in adults: A case report and literature review. AB - Gram-negative bacillary meningitis occurring post-trauma and following neurosurgical procedures has been described widely. However, reports of spontaneous cases are sparse, particularly community-acquired cases. Spontaneous community-acquired Escherichia coli meningitis is a rare (although increasingly seen) and specific entity that is poorly reported in the literature. A review of the literature identified only 43 cases of community-acquired E. coli meningitis reported between 1946 and 2016. This article describes two new cases of spontaneous community-acquired E. coli meningitis encountered in Marseille, France, and presents the results of a literature review on spontaneous community acquired E. coli meningitis. PMID- 29225071 TI - Clinical characteristics of pulmonary Mycobacterium lentiflavum disease in adult patients. AB - BACKGROUND: Mycobacterium lentiflavum is a slow-growing non-tuberculous Mycobacterium that is often associated with an immunocompromised state and cervical lymphadenitis in young children. However, little is known about the clinical importance of pulmonary infection with M. lentiflavum in adults. METHODS: The medical records of all adults who met the diagnostic criteria of pulmonary M. lentiflavum disease at Keio University Hospital and Fukujuji Hospital from 2001 to 2015 were reviewed. In addition, the PubMed database was searched to identify further reported cases in non-HIV adults. RESULTS: Five cases of pulmonary M. lentiflavum disease were identified in the medical records search and 11 additional cases were identified in the literature review. Eleven of the total 16 cases were female, and 15 of 16 cases showed a nodular/bronchiectatic pattern on chest computed tomography imaging. No cases showed an aggressive clinical course of pulmonary M. lentiflavum disease, although one patient died of an exacerbation of underlying vasculitis and bacterial pneumonia. CONCLUSIONS: The clinical characteristics of pulmonary M. lentiflavum disease in adult patients were identified. This disease mainly affects females, displays a nodular/bronchiectatic pattern on chest computed tomography imaging, and does not demonstrate an aggressive clinical course. Further larger studies are needed to reveal detailed clinical features. PMID- 29225072 TI - Intraventricular neurocysticercosis with interventricular foramen and generalized ventriculitis. PMID- 29225073 TI - Corrigendum to "131I-labeled chitosan hydrogels for radioembolization: a preclinical study in small animals" [Nucl Med Biol 52 (2017) 16-23]. PMID- 29225074 TI - The effect of fish gender on susceptibility to acute Streptococcus agalactiae infection in Javanese medaka Oryzias javanicus. AB - This study describes the susceptibility of different fish gender following acute Streptococcus agalactiae infection by using Javanese medaka Oryzias javanicus as test fish. The fish were grouped into four groups, which were: (1) all-male; (2) all-female; (3) mixed-gender (1 male: 1 female ratio); and (4) control non infected (1 male: 1 female ratio). The fish in group 1, 2 and 3 were intraperitoneally exposed to 5.4 * 108 CFU/ml of S. agalactiae, while for group 4, the fish were exposed using sterile broth. The main clinical signs and histopathological changes of infected Javanese medaka were commonly observed in S. agalactiae infected fishes. However, no difference on clinical signs and histopathological changes of fish in group 1, 2 and 3 were noticed. The Javanese medaka mortality in group 1, 2 and 3 were observed from 4 h post infection (hpi) to 6 hpi, with the cumulative mortality from 3% to 30%. Then, the mortality increased at 12 hpi, with the range from 53% to 80%. However, 100% of the infected fish dead at 24 hpi. No clinical signs, histopathological changes and fish mortality recorded in group 4. Generally, the clinical signs, mortality patterns, cumulative mortality and histopathological changes of Javanese medaka infected by S. agalactiae did not show any difference between the all-male, all female and mixed-gender groups. This indicates that the susceptibility of fish to S. agalactiae infection is not influenced by their gender. PMID- 29225075 TI - Multivalent Interactions with Fbw7 and Pin1 Facilitate Recognition of c-Jun by the SCFFbw7 Ubiquitin Ligase. AB - Many regulatory proteins, including the transcription factor c-Jun, are highly enriched in disordered protein regions that govern growth, division, survival, differentiation, and response to signals. The stability of c-Jun is controlled by poorly understood regulatory interactions of its disordered region with both the E3 ubiquitin ligase SCFFbw7 and prolyl cis-trans isomerase Pin1. We use nuclear magnetic resonance and fluorescence studies of c-Jun to demonstrate that multisite c-Jun phosphorylation is required for high-affinity interaction with Fbw7. We show that the Pin1 WW and PPIase domains interact in a dynamic complex with multiply phosphorylated c-Jun. Importantly, Pin1 isomerizes a pSer-Pro peptide bond at the c-Jun N terminus that affects binding to Fbw7 and thus modulates the ubiquitin-mediated degradation of c-Jun. Our findings support the general principle that multiple weak binding motifs within disordered regions can synergize to yield high-affinity interactions and provide rapidly evolvable means to build and fine-tune regulatory events. PMID- 29225076 TI - Crystal Structures of Human Orexin 2 Receptor Bound to the Subtype-Selective Antagonist EMPA. AB - Orexin peptides in the brain regulate physiological functions such as the sleep wake cycle, and are thus drug targets for the treatment of insomnia. Using serial femtosecond crystallography and multi-crystal data collection with a synchrotron light source, we determined structures of human orexin 2 receptor in complex with the subtype-selective antagonist EMPA (N-ethyl-2-[(6-methoxy-pyridin-3-yl) (toluene-2-sulfonyl)-amino]-N-pyridin-3-ylmethyl-acetamide) at 2.30-A and 1.96-A resolution. In comparison with the non-subtype-selective antagonist suvorexant, EMPA contacted fewer residues through hydrogen bonds at the orthosteric site, explaining the faster dissociation rate. Comparisons among these OX2R structures in complex with selective antagonists and previously determined OX1R/OX2R structures bound to non-selective antagonists revealed that the residue at positions 2.61 and 3.33 were critical for the antagonist selectivity in OX2R. The importance of these residues for binding selectivity to OX2R was also revealed by molecular dynamics simulation. These results should facilitate the development of antagonists for orexin receptors. PMID- 29225077 TI - Structural Insights into the pH-Dependent Conformational Change and Collagen Recognition of the Human Mannose Receptor. AB - Mannose receptor (MR, CD206) is an endocytic receptor on microphages and dendritic cells. It recognizes multiple ligands and plays important roles in regulating immune responses and maintaining glycoprotein homeostasis. However, the structure and functional mechanism of MR remain unclear. Here we determine the crystal structures of the N-terminal fragments of MR and reveal the potential binding mode of collagen on the fibronectin II domain. The SAXS and other biophysical data suggest that MR adopts an extended conformation at physiological pH and undergoes conformational changes as pH decreases, resulting in a compact conformation in an acidic environment. Moreover, biochemical data show that MR binds to collagen in a Ca2+-enhanced manner at physiological pH, whereas Ca2+ has no effect on the binding at acidic pH. These results provide a model for the dynamic mechanism of MR regarding its ligand binding and release during the recycling between cell surface and endosomes. PMID- 29225079 TI - Structural Basis for the Recruitment of Ctf18-RFC to the Replisome. AB - Ctf18-RFC is an alternative PCNA loader which plays important but poorly understood roles in multiple DNA replication-associated processes. To fulfill its specialist roles, the Ctf18-RFC clamp loader contains a unique module in which the Dcc1-Ctf8 complex is bound to the C terminus of Ctf18 (the Ctf18-1-8 module). Here, we report the structural and functional characterization of the heterotetrameric complex formed between Ctf18-1-8 and a 63 kDa fragment of DNA polymerase E. Our data reveal that Ctf18-1-8 binds stably to the polymerase and far from its other functional sites, suggesting that Ctf18-RFC could be associated with Pol E throughout normal replication as the leading strand clamp loader. We also show that Pol E and double-stranded DNA compete to bind the same winged-helix domain on Dcc1, with Pol E being the preferred binding partner, thus suggesting that there are two alternative pathways to recruit Ctf18-RFC to sites of replication. PMID- 29225078 TI - Regulation of Androgen Receptor Activity by Transient Interactions of Its Transactivation Domain with General Transcription Regulators. AB - The androgen receptor is a transcription factor that plays a key role in the development of prostate cancer, and its interactions with general transcription regulators are therefore of potential therapeutic interest. The mechanistic basis of these interactions is poorly understood due to the intrinsically disordered nature of the transactivation domain of the androgen receptor and the generally transient nature of the protein-protein interactions that trigger transcription. Here, we identify a motif of the transactivation domain that contributes to transcriptional activity by recruiting the C-terminal domain of subunit 1 of the general transcription regulator TFIIF. These findings provide molecular insights into the regulation of androgen receptor function and suggest strategies for treating castration-resistant prostate cancer. PMID- 29225081 TI - Enteral nutrition and quality of life in patients undergoing chemoradiotherapy for esophageal carcinoma: a comparison of nasogastric tube, esophageal stent, and ostomy tube feeding. AB - BACKGROUND AND AIMS: This study prospectively recruited esophageal squamous cell carcinoma patients who received esophageal stent, nasogastric tube (NGT), or jejunostomy/gastrostomy feeding to compare the changes in nutritional status and quality of life during chemoradiation therapy (CRT). METHODS: In total, 81 patients were analyzed (stent, 7; surgical ostomy, 26; NGT, 19; oral intake, 29). An NGT was inserted when, despite medication, dysphagia or pain worsened with oral feeding during CRT. Serial body weight and daily narcotic demand were recorded. Changes in serum albumin level and quality of life were also assessed. In subgroup analysis comparing NGT and prophylactic surgical ostomy feeding, 5 patients with total occlusion in the ostomy group were excluded. RESULTS: Patients in all groups had similar decreases in mean body weight with an overall change of -6.41% +/- 5.21% at the end of CRT. The stent group had significantly worse pain, decreased albumin (-1.03 +/- .9 mg/dL), and decreased quality of life across CRT compared with the other groups. In subgroup analysis the stent group had significantly higher weight loss, whereas the NGT group had higher narcotic demand and slightly worse quality of life. Two patients (7.7%) had ileus days after jejunostomy creation. Five patients (23.8%) among those received prophylactic ostomy creation and scarcely used it. CONCLUSIONS: These preliminary results raise concerns that use of esophageal stents may be less suitable in patients undergoing CRT. Tube feeding by means of transnasal or percutaneous routes appear to be comparably effective during CRT, but both have advantages and disadvantages. We suggest a careful endoscopic evaluation to select the population more appropriate for NGT feeding on an as-needed basis during CRT. PMID- 29225080 TI - Second-Shell Basic Residues Expand the Two-Metal-Ion Architecture of DNA and RNA Processing Enzymes. AB - Synthesis and scission of phosphodiester bonds in DNA and RNA regulate vital processes within the cell. Enzymes that catalyze these reactions operate mostly via the recognized two-metal-ion mechanism. Our analysis reveals that basic amino acids and monovalent cations occupy structurally conserved positions nearby the active site of many two-metal-ion enzymes for which high-resolution (<3 A) structures are known, including DNA and RNA polymerases, nucleases such as Cas9, and splicing ribozymes. Integrating multiple-sequence and structural alignments with molecular dynamics simulations, electrostatic potential maps, and mutational data, we found that these elements always interact with the substrates, suggesting that they may play an active role for catalysis, in addition to their electrostatic contribution. We discuss possible mechanistic implications of this expanded two-metal-ion architecture, including inferences on medium-resolution cryoelectron microscopy structures. Ultimately, our analysis may inspire future experiments and strategies for enzyme engineering or drug design to modulate nucleic acid processing. PMID- 29225082 TI - Comparison of EUS with MRCP in idiopathic acute pancreatitis: a systematic review and meta-analysis. AB - BACKGROUND AND AIMS: Idiopathic acute pancreatitis (IAP) poses a diagnostic challenge for gastroenterologists, because confirmation of the disease etiology has important implications for the selection of the best possible treatment and the prevention of possible recurrence or the development of chronic pancreatitis (CP). ERCP, EUS, and MRCP typically are used to diagnose IAP when conventional radiologic methods fail. However, their exact role in the diagnosis of IAP has not yet been determined. METHODS: We searched the PubMed, EMBASE, OVID, Cochrane Library (including CENTRAL), China National Knowledge Infrastructure (CNKI), and Wanfang databases from inception to April 2017. Studies involving the use of EUS and/or MRCP for the etiologic diagnosis of IAP were included. A meta-analysis was performed by using Review Manager Version 5.2 for comparative studies and R software 3.3.3 to determine diagnostic yield of the studies. RESULTS: Among the 34 studies that met the inclusion criteria (n = 2338), 7 studies used a combination of EUS and MRCP and totaled 249 patients. The results comparing EUS with MRCP showed a diagnostic yield of 153 of the 239 patients (64%) in the EUS group, which was higher than the yield of 82 of 238 patients (34%) in the MRCP group (P < .001) in the 7 studies, and the diagnostic yield was 60% in the EUS group, 24% in the MRCP group, and 43% in the MRCP after secretin stimulation (S MRCP) group. In our subgroup analysis of CP and biliary disease, EUS was superior to MRCP (P < .001), but when comparing the efficacy of the modalities in the diagnosis of pancreatic divisum, S-MRCP was obviously superior to MRCP and EUS (12% vs 2% vs 2%). CONCLUSION: EUS and MRCP should both be used in the diagnostic work-up of IAP as complementary techniques. EUS had a higher diagnostic accuracy than MRCP (64% vs 34%) in the etiologic diagnosis of IAP and should be preferred for establishing a possible biliary disease and CP diagnosis, whereas S-MRCP was superior to EUS and MRCP in diagnosing a possible anatomic alteration in the biliopancreatic duct system, such as pancreatic divisum. PMID- 29225083 TI - Computer-aided diagnosis for identifying and delineating early gastric cancers in magnifying narrow-band imaging. AB - BACKGROUND AND AIMS: Magnifying narrow-band imaging (M-NBI) is important in the diagnosis of early gastric cancers (EGCs) but requires expertise to master. We developed a computer-aided diagnosis (CADx) system to assist endoscopists in identifying and delineating EGCs. METHODS: We retrospectively collected and randomly selected 66 EGC M-NBI images and 60 non-cancer M-NBI images into a training set and 61 EGC M-NBI images and 20 non-cancer M-NBI images into a test set. After preprocessing and partition, we determined 8 gray-level co-occurrence matrix (GLCM) features for each partitioned 40 * 40 pixel block and calculated a coefficient of variation of 8 GLCM feature vectors. We then trained a support vector machine (SVMLv1) based on variation vectors from the training set and examined in the test set. Furthermore, we collected 2 determined P and Q GLCM feature vectors from cancerous image blocks containing irregular microvessels from the training set, and we trained another SVM (SVMLv2) to delineate cancerous blocks, which were compared with expert-delineated areas for area concordance. RESULTS: The diagnostic performance revealed accuracy of 96.3%, precision (positive predictive value [PPV]) of 98.3%, recall (sensitivity) of 96.7%, and specificity of 95%, at a rate of 0.41 +/- 0.01 seconds per image. The performance of area concordance, on a block basis, demonstrated accuracy of 73.8% +/- 10.9%, precision (PPV) of 75.3% +/- 20.9%, recall (sensitivity) of 65.5% +/- 19.9%, and specificity of 80.8% +/- 17.1%, at a rate of 0.49 +/- 0.04 seconds per image. CONCLUSIONS: This pilot study demonstrates that our CADx system has great potential in real-time diagnosis and delineation of EGCs in M-NBI images. PMID- 29225084 TI - Autophagy deficiency in myeloid cells exacerbates eosinophilic inflammation in chronic rhinosinusitis. AB - BACKGROUND: Eosinophilic inflammation is a major pathologic feature of chronic rhinosinusitis (CRS) and is frequently associated with severe refractory disease. Prostaglandin (PG) D2 levels are increased in patients with CRS, and PGD2 is an important contributing factor to eosinophilic inflammation. Autophagy has a pleiotropic effect on immune responses and disease pathogenesis. Recent studies suggest the potential involvement of autophagy in patients with CRS and the PG pathway. OBJECTIVE: We sought to investigate whether altered function of autophagy is associated with eosinophilic inflammation and dysregulated production of PGD2 in patients with CRS. METHODS: We used myeloid cell-specific deletion of autophagy-related gene 7 (Atg7), which is vital for autophagy, and investigated the effects of impaired autophagy on eosinophilic inflammation in a murine model of eosinophilic chronic rhinosinusitis (ECRS). The effect of autophagy on PGD2 production and gene expression profiles associated with allergy and the PG pathway were assessed. RESULTS: We found that impaired autophagy in myeloid cells aggravated eosinophilia, epithelial hyperplasia, and mucosal thickening in mice with ECRS. This aggravation was associated with gene expression profiles that favor eosinophilic inflammation, TH2 response, mast cell infiltration, and PGD2 dysregulation. Supporting this, PGD2 production was also increased significantly by impaired autophagy. Among other myeloid cells, macrophages were associated with autophagy deficiency, leading to increased IL 1beta levels. Macrophage depletion or blockade of IL-1 receptor led to alleviation of eosinophilic inflammation and sinonasal anatomic abnormalities associated with autophagy deficiency. CONCLUSION: Our results suggest that impaired autophagy in myeloid cells, particularly macrophages, has a causal role in eosinophilic inflammation and ECRS pathogenesis. PMID- 29225085 TI - Anticytokine autoantibodies in a patient with a heterozygous NFKB2 mutation. PMID- 29225086 TI - Circulating allergen-specific TH2 lymphocytes: CCR4+ rather than CLA+ is the predominant phenotype in peanut-allergic subjects. PMID- 29225088 TI - Risk Factors, Clinical Presentation, and Outcomes for Abdominal Wall Endometriosis. PMID- 29225087 TI - Activation of ACE2/angiotensin (1-7) attenuates pancreatic beta cell dedifferentiation in a high-fat-diet mouse model. AB - OBJECTIVE: Angiotensin-converting enzyme 2 (ACE2) has been identified in pancreatic islets and can preserve beta cells. In this study, we aimed to examine the possible role of ACE2 and its end product, angiotensin 1-7 (A1-7), in reducing beta cell dedifferentiation during metabolic stress. METHODS: First, a lineage-tracing experiment was performed to track beta cells in mice fed a high fat diet (HFD). Second, the ACE2/A1-7 axis was evaluated in the HFD mouse model. Intraperitoneal glucose tolerance tests (IPGTTs) and intraperitoneal insulin tolerance tests (IPITTs) were conducted. Phenotypic changes in beta cells were detected by immunohistochemistry and quantitative real-time PCR. Pancreatic sections were immunostained for vascular endothelial growth factor (VEGF) and inducible nitric oxide synthase (iNOS). Finally, the effects of the ACE2/A1-7 axis were explored in isolated mouse islets exposed to different concentrations of glucose. Glucose-stimulated insulin release and levels of insulin mRNA and OCT4 mRNA were measured. RESULTS: Pancreatic beta cell dedifferentiation occurred both in vitro and in vivo in response to metabolic stress and was accompanied by ACE2 reduction. HFD-induced insulin resistance and glucose intolerance were exacerbated in ACE2-knockout (ACE2KO) mice but were alleviated by exogenous A1-7 in C57BL/6J mice. Approximately 20% of beta cells were dedifferentiated in ACE2KO mice fed a standard rodent chow diet (SD). A higher percentage of dedifferentiated beta cells was detected in ACE2KO mice than in wild-type (WT) mice under HFD conditions. In contrast, the administration of A1-7 alleviated HFD induced beta cell dedifferentiation in C57BL/6J mice. Moreover, the exogenous injection of A1-7 improved microcirculation in islets and decreased the production of iNOS in islets of C57BL/6J mice fed an HFD. Additionally, ACE2 was found to be mainly expressed in alpha cells of mice, while Mas, the receptor of A1-7, was distributed in beta cells. CONCLUSIONS: Overall, this study is the first to demonstrate that the ACE2/A1-7/Mas axis may be one of the intra-islet paracrine mechanisms of communication between alpha and beta cells. Enhancing the ACE2/A1-7 axis exerts a protective effect by ameliorating beta cell dedifferentiation, and this effect might be partially mediated through improvements in islet microcirculation and suppression of islet iNOS. PMID- 29225089 TI - Author's Reply. PMID- 29225090 TI - Transcriptome analysis of Trichophyton mentagrophytes-induced rabbit (Oryctolagus cuniculus) dermatophytosis. PMID- 29225091 TI - Gene expression profiling of the TRIM protein family reveals potential biomarkers for indicating tuberculosis status. AB - Tripartite motif (TRIM) family proteins play important regulatory roles in innate immune responses, the dysregulation of which cause several infectious diseases. However, the role and function of TRIM family proteins during tuberculosis (TB) infection remains unclear. In this study, we employed real-time quantitative PCR to profile the transcript levels of 72 TRIM genes from a cohort of 5 active TB patients, 5 latent tuberculosis infection (LTBI) subjects, and 5 healthy controls (HCs) in an initial discovery phase. The notable TRIM genes were assessed by in vitro cell infection experiments and further validated in another independent cohort (36 active TB, 24 LTBI and 28 HCs). The receiver operating characteristic (ROC) was used to analyze the diagnostic power of these TRIM genes. Our results revealed that 20 TRIM genes were decreased in active TB compared to LTBI and HCs. In addition, TRIM4, 16, 27, 32, 35, 46, 47, 65 and 68 were further shown to be downregulated in Mycobacterium smegmatis-infected macrophages and were found to be closely correlated with infection time and initial bacteria loads. Furthermore, the ROC analyses showed that TRIM4, 27 and 65 all exhibited the highest areas under the curve (AUC) values of 1.00 in discriminating active TB from LTBI and HCs. Moreover, TRIM27 combined with TRIM32 for an improved AUC value of 0.81 in discriminating LTBI from HCs. These results suggest that TRIM gene dysregulation might be involved in the pathogenesis of TB and that these genes could serve as potential biomarkers for indicating TB status. PMID- 29225092 TI - Molecular and phenotypic characterization of Photobacterium damselae among some marine fishes in Lake Temsah. AB - Photobacterium damselae species are one of the most devastating bacterial pathogens in mariculture worldwide. Some species of Photobacterium are pathogenic for marine animals and human. They are the causative agents of photobacteriosis, formerly known as pasteurellosis. A total of (202) marine fishes of three different species were represented as: seabass (Dicentrarchus labrax), seabream (Sparus aurata) and gray mullet (Mugil capitus) randomly collected from Lake Temsah at Ismailia governorate along the parallel Pelagic road to the lake in the governorate from August 2015 to July 2016. The clinical picture and gross lesions of the diseased fishes were recorded. Isolation and identification of suspected bacteria using traditional and molecular methods. Samples from affected organs were collected for studying the histopathological alterations of these pathogens. Fifty one fishes were found to be infected with Photobacterium damselae subsp. Piscicida. Seabass (Dicentrarchus labrax) was the most infected fish species (23), followed by seabream (Sparus aurata) (18) finally gray mullet (Mugil capitus) was (10). 91fishes were found to be infected with P. damselae subsp. damselae, seabass (Dicentrarchus labrax) was the most infected fish sp. (36), followed by seabream (Sparus aurata) (32), then gray mullet (Mugil capitus) (23). The results indicated that, the total prevalence of P. damselae subsp. piscicida in all examined species (25.24%), the highest seasonal prevalence was recorded in summer season (37.09%) followed by autumn (26%) then spring (20.37%) and winter (11.11%). On the other hand, the total prevalence of P. damselae subsp. damselae in all examined species (45.04%), the highest seasonal prevalence was recorded in summer season (67.74%) followed by autumn (52%) then spring (29.62%) and winter (19.44%). Molecular diagnosis with conventional PCR used to confirm the traditional isolation was applied by using specific primers of two genes (polycapsular saccharide gene and urease C gene). The histopathological studies of naturally infected marine fishes showed severe inflammatory reactions in different organs with accumulation of melanomacrophages and necrosis. The results confirm that P. damselae subspecies damsalea is the most prevalent pathogen between marine fishes, and seabass (Dicentrarchus labrax) was the highly affected marine fishes in this study. PMID- 29225093 TI - Effects of the antidepressant mirtazapine and zinc on nicotinic acetylcholine receptors. AB - Nicotinic acetylcholine receptors (nAChRs) and zinc are associated with regulation of mood and related disorders. In addition, several antidepressants inhibit muscle and neuronal nAChRs and zinc potentiates inhibitory actions of them. Moreover, mirtazapine (a noradrenergic, serotonergic and histaminergic antidepressant) inhibits muscarinic AChRs and its effects on nAChRs are unknown. Therefore, we studied the modulation of muscle alpha1beta1gammad nAChRs expressed in oocytes and native alpha7-containing nAChRs in hippocampal interneurons by mirtazapine and/or zinc, using voltage-clamp techniques. The currents elicited by ACh in oocytes (at -60 mV) were similarly inhibited by mirtazapine in the absence and presence of 100 MUM zinc (IC50 ~15 MUM); however, the ACh-induced currents were stronger inhibited with 20 and 50 MUM mirtazapine in the presence of zinc. Furthermore, the potentiation of ACh-induced current by zinc in the presence of 5 MUM mirtazapine was 1.48 +/- 0.06, and with 50 MUM mirtazapine zinc potentiation did not occur. Interestingly, in stratum radiatum interneurons (at -70 mV), 20 MUM mirtazapine showed less inhibition of the current elicited by choline (Ch) than at 10 MUM (0.81 +/- 0.02 and 0.74 +/- 0.02 of the Ch-induced current, respectively). Finally, the inhibitory effects of mirtazapine depended on membrane potential: 0.81 +/- 0.02 and 0.56 +/- 0.05 of the control Ch-induced current at -70 and -20 mV, respectively. These results indicate that mirtazapine interacts with muscle and neuronal nAChRs, possibly into the ion channel; that zinc may increase the sensitivity of nAChRs to mirtazapine; and that mirtazapine decreases the sensitivity of nAChRs to zinc. PMID- 29225094 TI - The "sweet" effect: Comparative assessments of dietary sugars on cognitive performance. AB - In recent years there has been increasing interest in studying cognitive effects associated with sugar consumption. Neuro-cognitive research has confirmed that glucose, as a main energy substrate for the brain, can momentarily benefit cognitive performances, particularly for memory functioning. However, there is still limited understanding of relative effects of other common sugars (e.g., fructose and sucrose) on cognitive performance. The present study tested in 49 people the effects of three common dietary sugars against a placebo sweetener (i.e., sucralose), on performance of three well-studied cognitive tasks - simple response time, arithmetic, and Stroop interference, all of which are suggested to rely on the prefrontal lobe. A double-blind, placebo-controlled, cross-over experimental design was used. Results revealed that ingestion of glucose and sucrose led to poorer performances on the assessed tasks as opposed to fructose and the placebo (p<0.05); these effects were particularly pronounced under the fasting condition in comparison to the non-fasting condition (p<0.001). Overall, these results indicate that cognitive effects of sugar are unlikely to be mediated by the perception of sweetness. Rather, the effects are mediated by glucose. Further research should systematically assess effects of dietary sugars on other cognitive domains, such as memory, to give further insights on general cognitive effects of sugar consumption. PMID- 29225095 TI - Restriction of dietary protein leads to conditioned protein preference and elevated palatability of protein-containing food in rats. AB - The mechanisms by which intake of dietary protein is regulated are poorly understood despite their potential involvement in determining food choice and appetite. In particular, it is unclear whether protein deficiency results in a specific appetite for protein and whether influences on diet are immediate or develop over time. To determine the effects of protein restriction on consumption, preference, and palatability for protein we assessed patterns of intake for casein (protein) and maltodextrin (carbohydrate) solutions in adult rats. To induce a state of protein restriction, rats were maintained on a low protein diet (5% casein) and compared to control rats on non-restricted diet (20% casein). Under these dietary conditions, relative to control rats, protein restricted rats exhibited hyperphagia without weight gain. After two weeks, on alternate conditioning days, rats were given access to either isocaloric casein or maltodextrin solutions that were saccharin-sweetened and distinctly flavored whilst consumption and licking patterns were recorded. This allowed rats to learn about the post-ingestive nutritional consequences of the two different solutions. Subsequently, during a preference test when rats had access to both solutions, we found that protein-restricted rats exhibited a preference for casein over carbohydrate whereas non-restricted rats did not. Analysis of lick microstructure revealed that this preference was associated with an increase in cluster size and number, reflective of an increase in palatability. In conclusion, protein restriction induced a conditioned preference for protein, relative to carbohydrate, and this was associated with increased palatability. PMID- 29225096 TI - Triglycerides and glycated hemoglobin for screening insulin resistance in obese patients. AB - OBJECTIVE: Assessment of insulin resistance (IR) is essential in non-diabetic patients with obesity. Thus study aims to identify the best determinants of IR and to propose an original approach for routine assessment of IR in obesity. DESIGN AND PATIENTS: All adult with obesity defined by a body mass index >=30kg/m2, evaluated in the Nutrition Department between January 2010 and January 2015 were included in this cross-sectional study. Patients with diabetes were excluded. IR was diagnosed according to the HOMA-IR. Based on a logistic regression, we determined a composite score of IR. We then tested the variables with a principal component analysis and a hierarchical clustering analysis. RESULTS: A total of 498 patients with obesity were included. IR was associated with grade III obesity (OR=2.6[1.6-4.4], p<0.001), HbA1c>=5.7% (OR=2.6[1.7-4.0], p<0.001), hypertriglyceridemia >1.7mmol/l (OR=3.0[2.0-4.5], p<0.001) and age (OR=0.98[0.96-0.99], p=0.002). Exploratory visual analysis using factor map and clustering analysis revealed that lipid and carbohydrates metabolism abnormalities were correlated with insulin resistance but not with excessive fat accumulation and low-grade inflammation. CONCLUSIONS: Our results highlight the interest of simple blood tests such as HbA1c and triglyceride determination, which associated with BMI, may be widely available tools for screening IR in obese patients. PMID- 29225097 TI - Vitrification of two active pharmaceutical ingredients by fast scanning calorimetry: From structural relaxation to nucleation phenomena. AB - Cinchonidine and Theophylline vitrification abilities have been investigated by differential and fast scanning calorimetry. These active pharmaceutical compounds are known in the literature to have a very high tendency to crystallize which has been confirmed by classical differential scanning calorimetry. Due to the growing interest in amorphous pharmaceutical compounds, their possible vitrifications have been investigated by fast scanning calorimetry. This work shows the high potential of this advanced thermal analysis technique to investigate the vitrification of active pharmaceutical compounds by melt-quenching protocol. For the first time, glass transitions of Cinchonidine and Theophylline were measured. From Cinchonidine, it has been shown that complete glassy state can be obtained by cooling from the melt at 2000K/s. Crystallization has also been suppressed by cooling down from the melt at 2K/s. However, such rate does not avoid the formation of nuclei. Theophylline crystallization process has been suppressed by a melt-quenching protocol carried out with a cooling rate of 4000K/s. However, the phenomenon of nuclei formation upon cooling seems unavoidable at this cooling rate. For both active pharmaceutical compounds, physical aging has been observed to play a role on the nuclei formation below the glass transition leading to modify the subsequent crystallization. PMID- 29225098 TI - Xanthan gum as a rate-controlling polymer for the development of alcohol resistant matrix tablets and mini-tablets. AB - The vulnerability of controlled release formulations when co-ingested with alcohol represents a current major concern of regulatory agencies. Dose dumping might occur when drugs and/or excipients exhibit higher solubility in ethanolic solutions compared to water. In this study, xanthan gum was chosen as rate controlling polymer for the development of alcohol resistant matrix formulations and theophylline as model drug. Two polymer particle sizes (75 and 180MUm) and concentrations (30 and 60% w/w) were used to assess their influence on the in vitro drug release from directly compressed tablets and mini-tablets, in 0% and 40% ethanol for 2h (pH 1.2). For both, tablets and mini-tablets, by using 60% xanthan gum similar dissolution profiles in hydrous and hydroalcoholic media were obtained, independently of the polymer particle size. By decreasing the polymer concentration a risk of alcohol-induced dose dumping was recognised, however only when larger polymer particles were used. In particular, mini-tablets underwent disintegration and released the entire dose within 5min in alcohol. Nevertheless, finer polymer particles used at lower concentration led to the formation of a more coherent and less porous gel layer and alcohol resistance could be tailored in regard to both matrix tablets and mini-tablets. PMID- 29225099 TI - Point of use production of liposomal solubilised products. AB - With the progression towards personalised and age-appropriate medicines, the production of drug loaded liposomes at the point of care would be highly desirable. In particular, liposomal solubilisation agents that can be produced rapidly and easily would provide a new option in personalised medicines. Such a process could also be used as a rapid tool for the formulation and pre-clinical screening of low soluble drugs. Within this paper, we outline a novel easy-to-use production method for point of use production of liposome solubilised drugs. Our results demonstrate that pre-formed multilamellar liposomes, stored in a fresh or frozen format, can be bilayer loaded with low solubility drugs using a simple bath sonication process. Sonication is undertaken in a sealed vial allowing the contents to remain sterile. Liposomes around 100 nm were prepared and these liposomes were able to increase the amount of drug dissolved by up to 10 fold. These liposomal solubilisation agents were stable in terms of size and drug solubilisation for up to 8 days when stored in the fridge making them an easy to use and robust small-scale tool for drug solubilisation. PMID- 29225101 TI - A poor outcome after surgical aortic replacement. PMID- 29225100 TI - Controllable encapsulation of alpha-mangostin with quaternized beta-cyclodextrin grafted chitosan using high shear mixing. AB - In this study, the inclusion complex formation between alpha-mangostin and water soluble quaternized beta-CD grafted-chitosan (QCD-g-CS) was investigated. Inclusion complex formation with encapsulation efficiency (%EE) of 5, 15 and 75% can be varied using high speed homogenizer. Tuning %EE plays a role on physicochemical and biological properties of alpha-mangostin/QCD-g-CS complex. Molecular dynamics simulations indicate that alpha-mangostin is included within the hydrophobic beta-CD cavity and being absorbed on the QCD-g-CS surface, with these results being confirmed by Fourier transform infrared (FTIR) spectroscopy. Probing the release characteristics of the inclusion complex at various %EE (5%, 15% and 75%) in simulated saliva (pH 6.8) demonstrated that alpha-mangostin release rates were dependent on % EE (order 5% > 15% > 75%). Additionally, higher antimicrobial and anti-inflammation activities were observed for the inclusion complex than those of free alpha-mangostin due to enhance the solubility of alpha mangostin through the inclusion complex with QCD-g-CS. PMID- 29225102 TI - Always look at the sinus rhythm electrocardiogram in patients with ventricular tachycardia. PMID- 29225103 TI - What happens to non-responders in cardiac resynchronization therapy? AB - INTRODUCTION AND OBJECTIVES: Left ventricular reverse remodeling (LVRR) is strongly related to the long-term prognosis of patients undergoing cardiac resynchronization therapy (CRT). The aim of this study was to assess the long term clinical outcome of patients without LVRR at six months after CRT implantation and to determine the prognostic impact of clinical response in this population. METHODS: We analyzed 178 consecutive patients who underwent successful CRT device implantation (age 64+/-11 years; 69% male; 89% in New York Heart Association [NYHA] functional class III; 35% with ischemic cardiomyopathy). Clinical status and echocardiographic parameters were determined before and six months after CRT implantation. We identified those without criteria for LVRR (>=10% increase in left ventricular ejection fraction with >=15% reduction in left ventricular end-systolic diameter compared to baseline). Clinical responders were defined by a sustained improvement of at least one NYHA functional class. RESULTS: At six-month assessment after CRT, 109 (61%) patients showed LVRR. During a mean follow-up of 56+/-21 months, 47 (26%) patients died, with higher mortality in the group without LVRR (36% vs. 20%, p=0.023). Clinical response was greater in patients with LVRR (88% vs. 55%, p<0.001). In patients without LVRR, clinical response to CRT was the strongest independent predictor of survival (hazard ratio: 0.120; 95% confidence interval: 0.039-0.366; p<0.001). CONCLUSION: Although patients without LVRR six months after CRT implantation had a worse prognosis, with higher all-cause mortality, clinical response can be an independent predictor of survival in this population. PMID- 29225104 TI - Evaluation of QT dispersion and T-peak to T-end interval in patients with early stage sarcoidosis. AB - INTRODUCTION AND AIM: Sarcoidosis increases inhomogeneity in ventricular repolarization due to the presence of sarcoid granuloma, which significantly correlates with ventricular fibrillation. Various studies have suggested that the interval from the peak to the end of the electrocardiographic T wave (T-peak to T end [Tpe] interval) may correspond to the transmural dispersion of repolarization and that increased Tpe interval and Tpe/QT ratio are associated with malignant ventricular arrhythmias. The present study hypothesized that QT and Tpe intervals are significantly prolonged in sarcoidosis patients without apparent cardiac involvement. METHODS: The study population consisted of 54 patients (37 female; mean age 43.4+/-10.6 years) under follow-up for sarcoidosis and 56 healthy subjects (37 female; mean age 42.4+/-8.6 years). RESULTS: There was no statistically significant difference between the groups in maximum QT interval, QT dispersion or corrected QT (QTc) interval, but QTc dispersion and Tpe interval were significantly prolonged in the sarcoidosis group compared to the control group (QTc dispersion 59.9+/-22.5 and 44.4+/-23.8, respectively, p=0.001; Tpe interval 79.4+/-9.3 and 70.7+/-7.03, respectively, p<0.001). We also found that the Tpe/QT ratio was significantly higher in sarcoidosis patients compared to the control group (0.21+/-0.02 and 0.18+/-0.23, respectively, p<0.001). CONCLUSION: Our study revealed that QTc dispersion, Tpe and Tpe/QT ratio were greater in sarcoidosis patients compared to the control group. To our knowledge, the present study is the first to use Tpe interval analysis in patients without cardiac involvement in sarcoidosis. Tpe interval and Tpe/QT ratio may be promising markers for cardiovascular morbidity and mortality due to ventricular arrhythmias in patients with and without cardiac involvement in sarcoidosis. PMID- 29225105 TI - Interpretation of B-type natriuretic peptides in the era of angiotensin receptor neprilysin inhibitors. AB - Assessment of serum levels of natriuretic peptides, especially the amino-terminal portion (NT-proBNP) and the carboxy-terminal portion (BNP) of pro-B-type natriuretic peptide, has had a highly significant clinical impact on the diagnosis and prognostic stratification of patients with heart failure (HF). They are now an instrument with recognized value in this context and several studies have demonstrated their value in tailoring therapy for these patients. Following the recent advent of angiotensin receptor-neprilysin inhibitors (ARNIs), there is a need to review how these two biomarkers are interpreted in HF. The use of ARNIs is associated with a reduction in NT-proBNP but an increase in BNP levels. The authors of this concise article review the interpretation of natriuretic peptide levels in the light of the most recent evidence. PMID- 29225106 TI - Tannic acid (TA): A molecular tool for chelating and imaging labile iron. AB - This report presents the potential utilization of tannic acid (TA) as a natural iron chelator. TA is capable of binding with small ferric complexes without competitive binding with endogenous iron-containing molecules such as ferritin and transferrin. It was observed that the extracellular iron binding of TA resulted in the formation of self-assembled Fe3+-TA complexes, which were then taken up by HepG2 cells via phagocytosis pathway with autophagy-inducing properties. Obviously, TA was found to inhibit iron-induced HepG2 cell growth. However, cellular interactions and biological responses to the treatment were found to depend on availability of iron. Based on the results of the iron efflux experiment, it can be stated that TA has the capability to mobilize iron from cells in the form of assembled Fe3+-TA complexes. Interestingly, TA-mediated cellular iron influx and efflux were successfully monitored via MRI. The results of this study suggest that TA can be used as a molecular tool for chelating and imaging labile iron. This might be a promising approach for prevention and treatment of iron-associated cancer or other iron overload disorders. PMID- 29225107 TI - Comparison of blood-brain barrier penetration efficiencies between linear and cyclic all-d-enantiomeric peptides developed for the treatment of Alzheimer's disease. AB - Alzheimer's disease (AD), until now, is an incurable progressive neurodegenerative disease. To target toxic amyloid beta oligomers in AD patients' brains and to convert them into non-toxic aggregation-incompetent species, we designed peptides consisting solely of d-enantiomeric amino acid residues. The original lead compound was named D3 and several D3 derivatives were designed to enhance beneficial properties. Here, we compare four d-peptides concerning their efficiencies to pass the blood-brain barrier (BBB). We demonstrate that the d peptides' concentrations in murine brain directly correlate with concentrations in cerebrospinal fluid. The cyclic d-enantiomeric peptide cRD2D3 is characterized by the highest efficiency to pass the BBB. For in total three cyclic peptides we show that administration of cyclic peptides resulted in up to tenfold higher peak concentrations in brain as compared to their linear equivalents which have partially been characterized before (Jiang et al., 2015; Leithold et al., 2016a). These results suggest that cyclic peptides pass the murine BBB more efficiently than their linear equivalents. cRD2D3's proteolytic stability, oral bioavailability, long duration of action and its favorable brain/plasma ratio reveal that it may become a suitable drug for long-term AD-treatment from a pharmacokinetic point of view. PMID- 29225108 TI - K-space trajectories in 3D-GRASE sequence for high resolution structural imaging. AB - PURPOSE: To propose and evaluate new k-space trajectories for 3D-GRASE to improve scan time over 3D-FSE/TSE for high resolution structural imaging. METHODS: Five different Cartesian k-space trajectories were developed and evaluated. They combine ideas of existing k-space trajectories for 3D-GRASE and 3D-FSE/TSE. T2 and T2* are linearly or radially modulated in k-space to achieve the desired contrast while including the autocalibration region needed for the parallel imaging reconstruction technique. Phase modulation among echoes was corrected in reconstruction to remove remaining artefacts. Simulation and in-vivo experiments on a 3T scanner were conducted to evaluate the performance of the different k space trajectories. RESULTS: Two of the proposed k-space trajectories for high resolution structural imaging with 3D-GRASE obtained images comparable to 3D-FSE with lower specific absorption rate (PD/T2: 41%/75%) and shorter acquisition time (PD/T2: 27%/20%). CONCLUSIONS: 3D-GRASE image quality strongly depends on the k space trajectory. With an optimal trajectory, 3D-GRASE may be preferable over 3D FSE/TSE for structural high-resolution MRI. PMID- 29225109 TI - Raspberry ketone protects against isoproterenol-induced myocardial infarction in rats. AB - AIM: The cardioprotective role of raspberry ketone (RK) against isoproterenol (ISO)-induced myocardial infarction (MI) in rats was assessed. MATERIALS AND METHODS: Rats were randomly divided into Group I - Vehicle control; Group II - Toxic control ISO (85mg/kg, s.c.); Group III, IV and V - RK (50, 100 and 200mg/kg, respectively) with ISO; Group VI- RK (200mg/kg) alone; Group VII - Propranolol (10mg/kg) with ISO; and Group VIII - Propranolol (10mg/kg) alone. After twenty-four hours of the last dose, animals were sacrificed and creatine kinase-MB, lactate dehydrogenase, total cholesterol, triglycerides, high-density lipoprotein, low-density-lipoprotein, very-low-density-lipoprotein, malondialdehyde, reduced glutathione, superoxide dismutase, catalase, Na+, K+ ATPase, nitric oxide, histopathological and immunohistochemical analysis (tumor necrosis factor-alpha and inducible nitric oxide synthase) were performed. KEY FINDINGS: Treatment with ISO significantly deviated the biochemical parameters from the normal levels, which were considerably restored by RK at 100 and 200mg/kg doses. 50mg/kg dose, however, did not demonstrate any significant cardioprotective action. The histopathological and immunohistochemical analysis further substantiated these findings. SIGNIFICANCE: Our study showed a dose dependent reduction in oxidative stress, inflammation and dyslipidemia by RK in ISO-intoxicated rats, which signifies that RK from the European red raspberry plant might be a valuable entity for the management of MI. PMID- 29225110 TI - Assessment of the cerebellar neurotoxic effects of nicotine in prenatal alcohol exposure in rats. AB - The adverse effects of prenatal nicotine and alcohol exposure on human reproductive outcomes are a major scientific and public health concern. In the United States, substantial percentage of women (20-25%) of childbearing age currently smoke cigarettes and consume alcohol, and only a small percentage of these individuals quit after learning of their pregnancy. However, there are very few scientific reports on the effect of nicotine in prenatal alcohol exposure on the cerebellum of the offspring. Therefore, this study was conducted to investigate the cerebellar neurotoxic effects of nicotine in a rodent model of Fetal Alcohol Spectrum Disorder (FASD). In this study, we evaluated the behavioral changes, biochemical markers of oxidative stress and apoptosis, mitochondrial functions and the molecular mechanisms associated with nicotine in prenatal alcohol exposure on the cerebellum. Prenatal nicotine and alcohol exposure induced oxidative stress, did not affect the mitochondrial functions, increased the monoamine oxidase activity, increased caspase expression and decreased ILK, PSD-95 and GLUR1 expression without affecting the GSK-3beta. Thus, our current study of prenatal alcohol and nicotine exposure on cerebellar neurotoxicity may lead to new scientific perceptions and novel and suitable therapeutic actions in the future. PMID- 29225111 TI - Liraglutide regulates the viability of pancreatic alpha-cells and pancreatic beta cells through cAMP-PKA signal pathway. AB - AIMS: As a glucagon-like peptide-1 receptor agonist, liraglutide could effectively increase insulin secretion from pancreatic beta-cells and suppress glucagon secretion from pancreatic alpha-cells in the treatment of hyperglycemia in type 2 diabetes patients. However, the mechanisms for the different regulation of pancreatic alpha-cells and beta-cells are still unclear. In this study, we mainly explored the different effects of liraglutide on mouse pancreatic alpha cell line and beta-cell line in vitro. MAIN METHODS: Herein, mouse pancreatic alpha-cell line, alpha-TC1-6, and mouse pancreatic beta-cell line, beta-TC-tet, were used to analyze the biological effects of liraglutide in different concentrations. Cell proliferation, cell apoptosis and cell secretion ability were detected in different groups. Besides, the level of miR-375 and cAMP-PKA signal pathway were further evaluated using qPCR and western blot. KEY FINDINGS: The results indicated that liraglutide could increase the level of miR-375 and cell apoptosis in pancreatic alpha-cells through inhibiting the cAMP-PKA signal pathway, but activate cAMP-PKA signal pathway in pancreatic beta-cells, and further lead to the down-regulation of miR-375 and improve cell viability. Therefore, the treatment with liraglutide could down-regulate the glucagon secretion ability of alpha-TC1-6 cells, and the insulin secretion ability of beta TC-tet cells was enhanced with the liraglutide treatment in a dose-dependent manner. SIGNIFICANCE: In conclusion, we mainly found that liraglutide could regulate the viability of pancreatic alpha-cells and pancreatic beta-cells through inhibiting and activating cAMP-PKA signal pathway respectively. The better understanding of the mechanism could help us to develop more novel therapy methods for diabetes in the future. PMID- 29225113 TI - Experimental periodontitis in rats potentiates inflammation at a distant site: Role of B1 kinin receptor. PMID- 29225112 TI - Fisetin: A bioactive phytochemical with potential for cancer prevention and pharmacotherapy. AB - A wide variety of chronic diseases, such as neurodegenerative and cardiovascular disorders, diabetes mellitus, osteoarthtitis, obesity and various cancers, are now being treated with cost effective phytomedicines. Since synthetic medicines are very expensive, concerted efforts are being made in developing and poor countries to discover cost effective medicines for the treatment of non communicable diseases (NCDs). Understanding the underlying mechanisms of bioactive medicines from natural sources would not only open incipient avenues for the scientific community and pharmaceutical industry to discover new drug molecules for the therapy of NCDs, but also help to garner knowledge for alternative therapeutic approaches for the management of chronic diseases. Fisetin is a polyphenolic molecule of flavonoids class, and belongs to the bioactive phytochemicals that have potential to block multiple signaling pathways associated with NCDs such as cell division, angiogenesis, metastasis, oxidative stress, and inflammation. The emerging evidence suggests that fisetin may be useful for the prevention and management of several types of human malignancies. Efforts are being made to enhance the bioavailability of fisetin after oral administration to prevent and/or treat cancer of the liver, breast, ovary and other organs. The intent of this review is to highlight the in vitro and in vivo activities of fisetin and to provide up-to-date information about the molecular interactions of fisetin with its cellular targets involved in cancer initiation, promotion and progression as well as to focus on strategies underway to increase the bioavailability and reduce the risk of deleterious effects, if any, associated with fisetin administration. PMID- 29225115 TI - Thoracic disc herniation: Surgical treatment. AB - Thoracic disc herniation is rare and mainly occurs between T8 and L1. The herniation is calcified in 40% of cases and is labeled as giant when it occupies more than 40% of the spinal canal. A surgical procedure is indicated when the patient has severe back pain, stubborn intercostal neuralgia or neurological deficits. Selection of the surgical approach is essential. Mid-line calcified hernias are approached from a transthoracic incision, while lateralized soft hernias can be approached from a posterolateral incision. The complication rate for transthoracic approaches is higher than that of posterolateral approaches; however, the former are performed in more complex herniation cases. The thoracoscopic approach is less invasive but has a lengthy learning curve. Retropleural mini-thoracotomy is a potential compromise solution. Fusion is recommended in cases of multilevel herniation, herniation in the context of Scheuermann's disease, when more than 50% bone is resected from the vertebral body, in patients with preoperative back pain or herniation at the thoracolumbar junction. Along with complications specific to the surgical approach, the surgical risks are neurological worsening, dural breach and subarachnoid-pleural fistulas. Giant calcified herniated discs are the largest contributor to myelopathy, intradural extension and postoperative complications. Some of the technical means that can be used to prevent complications are explored, along with how to address these complications. PMID- 29225114 TI - Fructose-induced inflammation and increased cortisol: A new mechanism for how sugar induces visceral adiposity. AB - Traditionally, the leading hypothesis regarding the development of obesity involves caloric imbalance, whereby the amount of calories consumed exceeds the amount of calories burned which causes obesity. Another hypothesis for why we get fat has surfaced in the last decade which is the idea that the overconsumption of added sugars and refined carbohydrates induce insulin resistance and high insulin levels causing obesity. While insulin is a fat-storing hormone, this hypothesis does not explain visceral adiposity, or why certain people are found to have fat stored in and around their organs. We propose a new mechanism for body fattening, particular visceral adiposity. This hypothesis involves the overconsumption of fructose, which leads to inflammation in all cells that metabolize it rapidly. When fructose is metabolized in subcutaneous adipocytes, the subsequent inflammation leads to an increase in intracellular cortisol in order to help squelch the inflammation. Unfortunately, the increase in intracellular cortisol leads to an increased flux of fatty acids out of the subcutaneous adipocytes allowing more substrate for fat storage into visceral fat tissue. Moreover fructose-induced inflammation in the liver also leads to increased intracellular cortisol via an upregulation of 11-B hydroxysteroid dehydrogenase type 1 causing increased fat storage in the liver (i.e., fatty liver). In essence, the fructose induced inflammatory cortisol response causes "thin on the outside, fat on the inside" (TOFI). Furthermore, fructose in the brain, either from fructose uptake via the blood brain barrier or endogenous formation from glucose via the polyol pathway stimulates an increased release of cortisol causing hepatic gluconeogenesis leading to overall insulin resistance and further body fattening. This review paper will discuss in detail the hypothesis that fructose-induced inflammation and cortisol activation causes visceral adiposity. PMID- 29225116 TI - HLA-A, -B, -C and -DRB1 allele and haplotype frequencies in the Macedonian population based on a family study. AB - AIM: The aim of this study was to determine HLA allele and 2-, 3- and 4-loci haplotype frequencies in a sample from Macedonian population with defined haplotypes based on family history. MATERIAL AND METHODS: We analysed 286 unrelated individuals with Macedonian origin, parents of patients who needed stem cell transplantation, in the period of 01.01.2003 till 31.12.2016. Allele and haplotype frequencies, as well as Hardy-Weinberg equilibrium were calculated using the Arlequin3.5 software. Population comparison was calculated using the PHYLIP software. RESULTS: We identified 18 HLA-A, 26 HLA-B, 13 HLA-C and 13 HLA DRB1 allele group families. The most frequent allele groups in our population were HLA-A*02 (29.0%), HLA-A*24 (13.8%), HLA-B*35 (16.1%), HLA-B*51 (14.7%), HLA B*18 (14.7%), HLA-C*07 (27.9%), HLA-DRB1*11 (25.5%) and HLA-DRB1*16 (14.8%). The most frequent four loci haplotype was HLA-A*01-B*08-C*07-DRB1*03 (2.7%). Our comparison showed that the Macedonian population is closely related to the neighbouring countries in the Balkan Peninsula. CONCLUSION: This study provides data about the HLA diversity in the Macedonian population, which can be very important in the process of unrelated donor search, and in addition yields control group for future disease association studies in our population. PMID- 29225117 TI - Rapid Response Events in Hospitalized Patients: Patient Symptoms and Clinician Communication. AB - CONTEXT: Patients triggering rapid response team (RRT) intervention are at high risk for adverse outcomes. Data on symptom burden of these patients do not currently exist, and current symptom management and communication practices of RRT clinicians are unknown. OBJECTIVES: We sought to identify the symptom experience of RRT patients and observe how RRT clinicians communicate with patients and their families. METHODS: We conducted a prospective observational study from August to December 2015. Investigators attending RRT events measured frequencies of symptom assessment, communication, and supportive behaviors by RRT clinicians. As the rapid response event concluded, investigators measured patient reported pain, dyspnea, and anxiety using a numeric rating scale of 0 (none) to 10 (most severe), with uncontrolled symptoms defined as numeric rating scale score of >=4. RESULTS: We observed a total of 52 RRT events. RRT clinicians assessed for pain during the event in 62% of alert patients, dyspnea in 38%, and anxiety in 21%. Goals of care were discussed during 3% of events and within 24 hours in 13%. For the primary outcome measure, at the RRT event conclusion, 44% of alert patients had uncontrolled pain, 39% had uncontrolled dyspnea, and 35% had uncontrolled anxiety. CONCLUSION: Hospitalized patients triggering RRT events have a high degree of uncontrolled symptoms that are infrequently assessed and treated. Although these patients experience an acute change in medical status and are at high risk for adverse outcomes, goals-of-care discussions with RRT patients or families are rarely documented in the period after the events. PMID- 29225118 TI - Cardioprotective effect of Asphodelus tenuifolius Cav. on blood pressure and metabolic alterations in glucose-induced metabolic syndrome rats-An ethnopharmacological approach. PMID- 29225119 TI - D-chiro-inositol enriched Fagopyrum tataricum (L.) Gaench extract alleviates mitochondrial malfunction and inhibits ER stress/JNK associated inflammation in the endothelium. AB - ETHNOPHARMACOLOGICAL RELEVANCE: Tartary buckwheat is a food medicine dual-use crop with healing effects on cardiovascular diseases and type2 diabetes. It has been proposed that endothelial dysfunction is the initial lesion in these diseases and it's associated with mitochondrial dysfunction, endoplasmic reticulum (ER) stress and inflammation. D-chiro-inositol (DCI) is a bioactive compound of Tartary buckwheat and is always deficit in type2 diabetes. However, it remains unknown whether DCI-enriched Tartary buckwheat extract can ameliorate mitochondrial dysfunction, ER stress and inflammation in the endothelium. MATERIAL AND METHODS: Endothelial cells were treated with palmitic acid (PA) and mice were fed with high fat diet (HFD). The effects of DCI-enriched Tartary buckwheat bran extract (TBBE) on superoxide anion generation, dynamin-related protein 1 (Drp1), mitofusin2 (Mfn2), inositol-requiring enzyme-1alpha (IRE1alpha) and Jun n-terminal kinase (JNK) activation and inflammation in the endothelium against lipotoxicity were investigated. RESULTS: In endothelial cells, TBBE significantly inhibited oxidative stress. Meanwhile, in HFD-fed mice and PA induced cells, TBBE regulated Drp1 phosphorylation and inhibited its activation, implying the protective effect of TBBE on mitochondrial morphology. As a result, TBBE protected mitochondrial function. Additionally, TBBE inhibited ER stress and reduced the production of IL-6 and VCAM-1, associated with JNK pathway, thereby inhibiting the caspase-3 activation in vivo and in vitro. CONCLUSIONS: Taken together, this study indicated the beneficial role of TBBE in endothelial inflammation, with emphasis on mitochondrial dysfunction, ER stress and JNK activation. PMID- 29225120 TI - Retained Bullet in the Kidney: Imaging and Conservative Management. AB - Renal gunshot wounds resulting in a grade IV injury (AAST) should be explored only if they involve the hilum or if there are signs of suspected renal pelvis or ureteral laceration, active hemorrhage, peritonitis, or hemodynamically unstable patients (Kitrey et al, 2017).1 However, because of the paucity of cases reported in the literature, it is not clear what the best management of patients with a retained bullet is, which have been traditionally treated with surgical retrieval in other organs. We present the radiological findings and a clinical case summary of a patient with grade IV kidney injury and retained bullet managed conservatively. PMID- 29225121 TI - Anatomical Control of Adenoma Technique: An Accurate Surgical Approach to Thulium Laser Enucleation of the Prostate. AB - OBJECTIVE: To present our 2-lobe technique of thulium laser transurethral enucleation of the prostate. Transurethral resection of prostate and open prostatectomy have been traditionally considered as the gold standard for benign prostatic enlargement surgical treatment. Laser has been recently made available for benign prostatic enlargement surgery to minimize morbidity of traditional surgery.1 In 2009, Bach et al introduced the use of thulium laser,2 describing the 3-lobe technique, which overlaps open prostatectomy but with a greater control of hemostasis.3 Two techniques have been recently published that differ from the original one.4,5 Kim et al described the "All-in-One" technique,4 whereas Wolters et al described a 2-lobe enucleation (left lobe first, then combined enucleation of the right and median lobe).5 We developed a different en block enucleation technique. METHODS: In our 2-lobe enucleation technique, the median lobe is enucleated first, whereas the lateral lobes are dissected and enucleated en bloc. Once the medial lobe is moved into the bladder lumen, the dissection is carried out at 4-o'clock position toward the bladder neck, enucleating the left lobe in an anticlockwise direction. At 12-o'clock position, dissection keeps going beneath the right lobe toward the 9-o'clock position. At this point, an incision is made at 8-o'clock position and enucleation is completed in a clockwise direction toward the 9-o'clock position. The 2 enucleated tissues are finally morcellated. RESULTS: Preoperative prostate volume was 55 cc. Operative time was 36 minutes. The decrease in hemoglobin was 1.1 g/dL 24 hours after surgery. Catheter was removed in first postoperative day and the patient was discharged home. Removed tissue weighed 45 g and showed <5% Gleason score 3 + 3 adenocarcinoma. CONCLUSION: Our enucleation technique may offer perioperative outcomes comparable with other approaches in medium-sized prostates (up to 100 mL), and we believe that is helpful in following correctly the surgical capsule plane. This technique speeds up the procedure and helps to leave no tissue behind. PMID- 29225122 TI - Dual Pathology Causing Congenital Bladder Outlet Obstruction. AB - Anterior urethral syringocele is an uncommon congenital deformity characterised by cystic dilatation of bulbo-urethral gland ducts and is usually asymptomatic. We present a case on 4-day-old male neonate who presented with bilateral antenatal hydroureteronephrosis and renal impairment and found to have urethral syringocele and posterior urethral valves (PUV). PMID- 29225123 TI - Clinical Utility and Biologic Implications of Phosphatase and Tensin Homolog (PTEN) and ETS-related Gene (ERG) in Prostate Cancer. AB - Phosphatase and tensin homolog (PTEN) and ETS-related gene (ERG) mutations are commonly found in prostate cancer. Although mouse studies have demonstrated that PTEN and ERG cooperatively interact during tumorigenesis, human studies examining these genes have been inconclusive. A systematic PubMed search including original articles assessing the pathogenesis of PTEN and ERG in prostate cancer was performed. Studies examining ERG's prognostic significance have conflicting results. Studies examining PTEN and ERG simultaneously found these genes are likely to occur together, but cooperative tumorigenesis functions have not been conclusively established. PTEN mutations are associated with a range of prognostic features. However, the practical clinical utility of this information remains to be determined. PMID- 29225124 TI - Time delays in the diagnosis and treatment of malaria in non-endemic countries: A systematic review. AB - BACKGROUND: Delays in diagnosis and treatment for malaria are associated with an increased risk for severe disease and mortality. Identifying the extent of patient and health system delay can provide a benchmark against which interventions to reduce delays can be measured. METHODS: We performed an electronic search in PubMed, EMBASE, Web of Science and LILACS for studies reporting time to diagnosis and treatment after return from travel, onset of symptoms and seeking healthcare in non-endemic countries. Additionally, theses, conference proceedings and nationally reported surveillance data were also searched for information on time delays. There were no language restrictions and all the studies were assessed for methodological quality. RESULTS: Data from 69 papers out of 1719 identified records published between 2005 and 2017 were extracted; our findings show that median diagnosis delays of four or more days are common and patient delays accounted for a large proportion of diagnostic delay. There were limited data available on medical diagnostic delay. CONCLUSION: Patient delays accounted for a large proportion of the overall diagnostic delay; however the retrospective nature of the studies could have overestimated patient delay since previous healthcare contacts were not included. Additionally, the high frequency of studies reporting a clinically significant delay is a major concern. PMID- 29225125 TI - Interdependence of GLO I and PKM2 in the Metabolic shift to escape apoptosis in GLO I-dependent cancer cells. AB - Many cancer cells undergo metabolic reprogramming known as the Warburg effect, which is characterized by a greater dependence on glycolysis for ATP generation, even under normoxic conditions. Glyoxalase I (GLO I) is a rate-limiting enzyme involved in the detoxification of cytotoxic methylglyoxal formed in glycolysis and which is known to be highly expressed in many cancer cells. Thus, specific inhibitors of GLO I are expected to be effective anticancer drugs. We previously discovered a novel GLO I inhibitor named TLSC702. Although the strong inhibitory activity of TLSC702 was observed in the in vitro enzyme assay, higher concentrations were required to induce apoptosis at the cellular level. One of the proposed reasons for this difference is that cancer cells alter the energy metabolism leading them to become more dependent on mitochondrial respiration than glycolysis (Metabolic shift) to avoid apoptosis induction. Thus, we assumed that combination of TLSC702 with shikonin-a specific inhibitor of pyruvate kinase M2 (PKM2) that acts as a driver of TCA cycle by supplying pyruvate and which is known to be specifically expressed in cancer cells-would have anticancer effects. We herein show the anticancer effects of combination treatment with TLSC702 and shikonin, and a possible anticancer mechanism. PMID- 29225126 TI - Mutational analysis and dynamic simulation of S-limonene synthase reveal the importance of Y573: Insight into the cyclization mechanism in monoterpene synthases. AB - Monoterpene synthases carry out complex reactions to produce multiple products from a sole substrate, geranyl pyrophosphate (GPP). S-limonene synthase (LS) is a model monoterpene synthase that can be explored to understand the catalytic mechanism of these enzymes. In this study, we have identified an active site tyrosine residue (Y573) is crucial for the enzyme activity and mutational analysis indicates that both the aromatic ring and hydroxyl group are essential for the catalysis. Dynamic simulations found a hydrogen bond between Y573 and D496 and also a significant conformational change in the helical form of the LPP intermediate. Further mutagenesis suggested that this hydrogen bond is essential for catalysis. Sequence analysis suggested Y573 is completely conserved among cyclic monoterpene synthases but variable in acyclic enzymes, indicating this residue may be involved in cyclization. Subsequent studies by using neryl diphosphate (NPP) as the substrate ruled out the possibility that Y573 functions solely at the substrate isomerization step. Therefore, a more complicated role may be played by this residue. We proposed that Y573 may be involved in the earlier steps of the reaction, probably by controlling the conformation of the helical LPP intermediate. Our study provides important insights not only on the catalytic mechanism of LS, but also on the cyclization of monoterpene synthases in general. PMID- 29225127 TI - Simultaneous Endovascular Repair of a Thoracic Aortic Injury during Posterior Pedicle Screw Removal: A Case Report. AB - Posterior spinal stabilization is a technically demanding procedure which is increasing in popularity. Since this increase in popularity, complications, including screws misplacement, are being highlighted. Accuracy rates are higher when imaging modalities are used intraoperatively. Vascular injuries following posterior spinal stabilization are rare and are usually discovered late on subsequent imaging. Immediate perioperative compromise is rare, but nonetheless, resultant vascular injuries can be life threatening. A 72-year-old woman had a posterior spinal stabilization for severe pain caused by discitis. Routine computed tomography scan, 2 weeks postoperatively, detected an incidental thoracic aortic injury due to a misplaced pedicle screw. Given the rarity of this complication, there is no guideline for the management of resultant aortic injuries. Options described in the literature include thoracotomy with open vascular repair and newer endovascular techniques. We describe a novel method of simultaneous endovascular repair of a thoracic aortic injury during posterior pedicle screw removal with the patient in the right decubitus position. Surgeons operating near high-risk vascular structures should use intraoperative imaging modalities to guide screw placement and reduce subsequent complication rates. During endovascular repair of resultant aortic injuries, several factors must be considered. In particular, the challenge of turning a patient with open groin access and an endovascular stent in place. This must be carried out with extreme care to avoid the following risks: loss of access, damage to the access vessels and bleeding, displacement of the stent or deployment wires, and loss of the sterile field. PMID- 29225128 TI - Aortic Anatomy and Complications of the Proximal Sealing Zone after Endovascular Treatment of the Thoracic Aorta. AB - BACKGROUND: Technical and clinical success of thoracic aortic endovascular procedures relies mainly on the choice of the proximal sealing zone (PSZ). The latter can be affected by multiple complications, all of them having a potential gravity and a direct link with the quality of the PSZ. The objective of this study was to analyze the risk factors of PSZ complications occurrence. METHODS: Between 2007 and 2015, all the patients treated by a thoracic stent graft in zones 2, 3, or 4 were retrospectively reviewed, with analysis of the preoperative and postoperative angio-computed tomography. Proximal sealing zone complications are type Ia endoleaks, bird beak >=20 mm, malposition >=11 mm, migration >=10 mm, and retrograde dissection. Three types of potential risk factors were analyzed: (1) related to the patients (age, gender, pathology, urgency, hybrid surgery); (2) related to the stent graft (bare or covered proximal stent, degree of oversizing, number of stents, generation); (3) related to the morphology (radius of curvature, diameter, degree of conicity, calcifications and thrombus of the neck, depth of the arch, angulation of the proximal sealing zone, and tortuosity index of the arch and the thoracic aorta. RESULTS: Seventy-six patients (mean age: 54 years, 17-93 years) were treated for traumatic aortic rupture (n = 27, 35.5%), aortic dissection (n = 26, 34%), aneurysm (n = 15, 20%), and other diseases (floating thrombus, aortoesophageal fistula) (n = 8, 10.5%). A hybrid surgery was carried out in 18 patients (24%). Primary technical success was 93.5% (n = 71). With a mean follow-up of 29 months, 30 PSZ complications were observed in 21 patients (28%): type Ia endoleaks (n = 3, 4%), bird beak (n = 7, 9%), malposition (n = 3, 4%), migration (n = 1, 1.5%), retrograde dissection (n = 1, 1.5%), or several complications (n = 6, 7.8%). Among the morphological factors, 2 parameters were significantly associated with the occurrence of complications: tortuosity index (group without PSZ complications 1.62 +/- 0.2 vs. group with PSZ complications 1.72 +/- 0.2, P = 0.042), and the diameter of the proximal neck (group without PSZ complications 25.7 +/- 5 vs. group with PSZ complications 31 +/- 6.0, P = 0.001). Neither the demographic factors nor those related to the stent graft presented a statistically significant relation with the occurrence of complications. CONCLUSIONS: This work clearly highlights the relation between PSZ complications, independently of their type, and the local and global aortic morphology. A wide proximal neck, > 34 mm, and an important aortic tortuosity, > 1.8, are situations at risk. PMID- 29225129 TI - Hydrogen sulfide as a regulatory factor in kidney health and disease. AB - Hydrogen sulfide (H2S) is synthesized in nearly all organ systems including the kidney. Recent findings have revealed that H2S functions as a gasotransmitter affecting a wide range of physiologic functions similar to other gasotransmitters nitric oxide (NO) and carbon monoxide (CO). Research on H2S regulation of kidney function is still in early stages. H2S increases glomerular filtration rate (GFR) and inhibits sodium absorption by the tubules. There is burgeoning evidence that H2S generation by kidney cells is reduced in acute and chronic disease states and that H2S donors ameliorate injury. However, there are hints that the gas could also mediate kidney injury in specific models suggesting that its participation in kidney pathology is context-dependent. Expanding investigation of H2S in kidney physiology and disease will not only help us understand its regulatory role but it may also give us a potential new target for therapeutic intervention. PMID- 29225131 TI - Role of tenofovir alafenamide (TAF) in the treatment and prophylaxis of HIV and HBV infections. AB - Tenofovir (TFV) is the cornerstone of the treatment and prophylaxis of HIV infections. It has been routinely used in its prodrug form TDF (tenofovir disoproxil fumarate) combined with emtricitabine ((-)FTC) and other antiretroviral agents. TDF has now been replaced by TAF (tenofovir alafenamide) which allows better uptake by the lymphoid tissue. In combination with elvitegravir (E), cobicistat (C), emtricitabine (F), TAF can be advocated as an STR (single tablet regimen, Genvoya(r)) for the treatment of HIV infections. In this combination, E and C may in the future be replaced by bictegravir. The prophylaxis of HIV infection is momentarily based upon Truvada(r), the combination of F with TDF, which in the future may also be replaced by TAF. TAF (Vemlidy(r)) has also replaced TDF (Viread(r)) for the treatment of hepatitis B virus (HBV) infections. Both TDF and TAF offer little or no risk for virus-drug resistance. As compared to TDF, TAF limits the risk for nephrotoxicity and loss of bone mineral density. What remains to be settled, however, before the universal use of TAF could be recommended, is its safety during pregnancy and its applicability in the treatment of tuberculosis, in combination with rifampicin. PMID- 29225130 TI - On the G protein-coupling selectivity of the native A2B adenosine receptor. AB - A2B adenosine receptor (A2BAR) activation induces Gs-dependent cyclic AMP accumulation. However, A2BAR G protein-coupling to other signaling events, e.g. ERK1/2 and calcium, is not well documented. We explored Gi, Gq/11 and Gs coupling in 1321 N1 astrocytoma, HEK293, and T24 bladder cancer cells endogenously expressing human A2BAR, using NECA or nonnucleoside BAY60-6583 as agonist, selective Gi, Gs and Gq/11 blockers, and CRISPR/Cas9-based Gq- and Gs-null HEK293 cells. In HEK293 cells, A2BAR-mediated ERK1/2 activity occurred via both Gi and Gs, but not Gq/11. However, HEK293 cell calcium mobilization was completely blocked by Gq/11 inhibitor UBO-QIC and by Gq/11 knockout. In T24 cells, Gi was solely responsible for A2BAR-mediated ERK1/2 stimulation, and Gs suppressed ERK1/2 activity. A2BAR-mediated intracellular calcium mobilization in T24 cells was mainly via Gi, although Gs may also play a role, but Gq/11 is not involved. In 1321 N1 astrocytoma cells A2BAR activation suppressed rather than stimulated ERK1/2 activity. The ERK1/2 activity decrease was reversed by Gs downregulation using cholera toxin, but potentiated by Gi inhibitor pertussis toxin, and UBO-QIC had no effect. EPACs played an important role in A2BAR-mediated ERK1/2 signaling in all three cells. Thus, A2BAR may: couple to the same downstream pathway via different G proteins in different cell types; activate different downstream events via different G proteins in the same cell type; activate Gi and Gs, which have opposing or synergistic roles in different cell types/signaling pathways. The findings, relevant to drug discovery, address some reported controversial roles of A2BAR and could apply to signaling mechanisms in other GPCRs. PMID- 29225132 TI - Ginsenoside Rh4 induces apoptosis and autophagic cell death through activation of the ROS/JNK/p53 pathway in colorectal cancer cells. AB - The use of ginsenosides in cancer therapy has been intensively investigated. The ginsenoside Rh4 (Rh4), a rare saponin obtained from Panax notoginseng, dissolves in water more readily than total saponins, making this compound easier to use in anti-cancer pharmaceutics. Here, we investigated the antiproliferative activity and mechanisms of Rh4 in colorectal cancer, both in vivo and in vitro. A colorectal cancer xenograft model showed that Rh4 significantly inhibited tumor growth with few side effects. CCK-8 assays, flow cytometric analysis, Western blotting and immunohistochemistry revealed that Rh4 effectively suppressed colorectal cancer cell proliferation via inducing G0/G1 phase arrest, caspase dependent apoptosis and autophagic cell death but was not significantly cytotoxic to normal colon epithelial cells. Furthermore, apoptosis played a dominant role in Rh4-induced cell death, as the pan-caspase inhibitor Z-VAD-FMK blocked cell death to a greater extent than the autophagy inhibitor 3-methyladenine. Moreover, Rh4 increased reactive oxygen species (ROS) accumulation and subsequently activated the JNK-p53 pathway. An ROS scavenger and JNK and p53 inhibitors significantly attenuated Rh4-induced apoptosis and autophagy. Thus, the present study is the first to illustrate that Rh4 triggers apoptosis and autophagy via activating the ROS/JNK/p53 pathway in colorectal cancer cells, providing basic scientific evidence that Rh4 shows great potential as an anti-cancer agent. PMID- 29225133 TI - Medicaid in Transition: Proposed Changes in Funding Mechanisms and Their Consequences. PMID- 29225134 TI - Severe Facial Fracture is Related to Severe Traumatic Brain Injury. AB - BACKGROUND: Facial fractures frequently occur with traumatic brain injury (TBI). The relationship between facial fractures and brain trauma remains controversial. The objective of this study was to analyze the correlation between facial fracture and TBI. METHODS: Clinical and radiologic data of a total of 206 patients were retrospectively collected from May 2011 to December 2015 in a single institute. Facial fracture was classified by the Facial Injury Severity Scale (FISS). TBI was grouped according to the Glasgow Coma Scale. Outcome was measured with the Glasgow Outcome Scale Extended 3, 6, and 12 months after trauma. RESULTS: There were 206 TBI patients with concomitant facial fracture including 166 (78.1%) males and 40 (19.4%) females. Mean age of all patients was 46 +/- 19 years. Contusion and brain swelling were more frequent in higher FISS patients. Cranial surgery was done in 63 cases while facial fracture surgery was performed in 89 cases. There were 33 expired cases, including 6 cases due to multi-organ failure. High FISS was significantly associated with severe TBI and less favorable outcome 3 months after trauma. Concomitant surgical treatment for TBI and facial fracture was done in 21 cases without achieving more improved outcome compared with staged operations for 41 cases. CONCLUSION: Severity of facial fracture might be correlated with severity of TBI. Surgical timing of facial fracture with TBI patients does not affect the outcome of TBI. PMID- 29225135 TI - Adult Spinal Ependymomas: An Epidemiologic Study. AB - OBJECTIVE: In adults, spinal ependymomas constitute only 3% to 6% of central nervous system tumors. Because of their rarity and poor prognosis, large population-based studies are needed to assess the epidemiology and survival risk factors associated with these tumors in the hope of improving outcome. The authors undertook this retrospective study to explore factors that may influence survival in adult patients with spinal ependymomas. METHODS: Using the Surveillance, Epidemiology, and End Results database, a prospective cancer registry, the authors retrospectively assessed survival in histologically confirmed spinal ependymomas in patients 18 years of age and older. Survival was described with Kaplan-Meier curves, and a multivariate regression analysis was used to assess the association of several variables with survival while controlling for confounding variables. RESULTS: Overall survival at 1 year, 3 years, and 5 years after diagnosis was 97.0%, 94.3%, and 93.3%, respectively. Patient age at diagnosis (hazard ratio [HR] 1.05, 95% confidence interval [CI] 1.04-1.07, P < 0.001), tumor grade IV (HR 11.11, 95% CI 1.27-97.02, P = 0.032), and the use of radiation therapy during the course of treatment (HR 4.42, 95% CI 1.69-11.57, P = 0.003) were each associated with decreased survival. Gross total resection (HR 0.42, 95% CI 0.20-1.10, P = 0.026) was associated with improved overall survival. Gender, tumor size, and tumor extension were not found to impact survival. CONCLUSIONS: High-grade ependymomas occurring in the spine have a much worse prognosis than do those with lower grades. Early diagnosis and surgery appear to be associated with improved survival and outcomes, whereas radiation therapy has an unclear role. PMID- 29225136 TI - In vitro apoptotic mechanism of a novel synthetic Quinazolinyl derivative: Induces caspase-dependent intrinsic pathway on THP-1, leukemia cell line. AB - Several quinazoline derivatives have been found to possess a broad spectrum of biological activities. Previously our research group has synthesized and studied the anti-proliferative effects of N-Decyl-N-(2-Methyl-4-Quinazolinyl) Amine (DMQA). The current study evaluated the cytotoxic and apoptotic properties of DMQA in THP-1 cells. The cytotoxic potential of DMQA was assessed using MTT assay on a panel of cancer cell lines which include HeLa, Mia PaCa-2, A 375, B16-F10, A 549,A 431, U937, THP-1, HL-60 and peripheral blood mononuclear cells (PBMC's). Preliminary data revealed that the highest cytotoxic activity was against THP-1 leukemia cell line (IC50=0.66 MUg/ml). The apoptotic properties of DMQA on THP-1 cells were characterized by change in nuclear morphology, DNA fragmentation, reduction of pro-caspases-3, 9, Bax/Bcl-2 levels, cleavage of poly (ADP-ribose) polymerase and cytosolic release of cytochrome c. Further investigation revealed a sub-G1 peak, phosphatidyl serine exposure and loss of mitochondrial membrane potential (MMP) in THP-1 cells. The role of caspases was crucial and was demonstrated by the inhibitors Z-VAD-FMK and Z-DEVD-FMK. Moreover DMQA was markedly less effective in inhibiting the growth of normal cells (PBMC's, IC50 =62.17 MUg/ml). Based on the results we suggest that DMQA induced apoptosis via intrinsic pathway and could be a promising anticancer agent. PMID- 29225138 TI - 9-Hydroxycanthin-6-one isolated from stem bark of Ailanthus altissima induces ovarian cancer cell apoptosis and inhibits the activation of tumor-associated macrophages. AB - The stem bark of Ailanthus altissima is used in traditional medicine in Asia to treat a variety of diseases, including cancer. The aim of this study was to identify compounds with tumoricidal activity from A. altissima stem bark and to investigate their mechanisms of action. Among the 13 compounds isolated from the ethyl acetate fraction of A. altissima stem bark, the beta-carboline alkaloid 9 hydroxycanthin-6-one had potent cytotoxicity in all three ovarian cancer cell types examined. 9-Hydroxycanthin-6-one induced apoptosis through the activation of caspases-3, -8, and -9. 9-Hydroxycanthin-6-one increased the intracellular levels of reactive oxygen species (ROS), and pre-treatment with the antioxidant N acetyl-l-cysteine (NAC) attenuated the pro-apoptotic activity of 9-hydroxycanthin 6-one. Additionally, 9-hydroxycanthin-6-one was found to decrease the expressions of MCP-1 and RANTES, major determinants of macrophage recruitment at tumor sites, in ovarian cancer cells. Treatment with 9-hydroxycanthin-6-one inhibited the levels of M2 phenotype markers and some cancer-promoting factors, such as MMP-2, MMP-9, and VEGF, in macrophages educated in ovarian cancer conditioned medium. Taken together, these data suggest that 9-hydroxycanthin-6-one isolated from A. altissima stem bark induces apoptosis in human ovarian cancer cells through the caspase- and ROS-dependent pathways and inhibits the activation of tumor associated macrophages. PMID- 29225137 TI - Valproic acid, a histone deacetylase inhibitor, induces apoptosis in breast cancer stem cells. AB - Cancer stem-like cells (CSCs) are a cell subpopulation that can reinitiate tumors, resist chemotherapy, give rise to metastases and lead to disease relapse because of an acquired resistance to apoptosis. Especially, epigenetic alterations play a crucial role in the regulation of stemness and also have been implicated in the development of drug resistance. Hence, in the present study, we examined the cytotoxic and apoptotic activity of valproic acid (VPA) as an inhibitor of histone deacetylases (HDACs) against breast CSCs (BCSCs). Increased expression of stemness markers were determined by western blotting in mammospheres (MCF-7s, a cancer stem cell-enriched population) propagated from parental MCF-7 cells. Anti-growth activity of VPA was determined via ATP viability assay. The sphere formation assay (SFA) was performed to assess the inhibitory effect of VPA on the self-renewal capacity of MCF-7s cells. Acetylation of histon H3 was detected with ELISA assay. Cell death mode was performed by Hoechst dye 33342 and propidium iodide-based flouresent stainings (for pyknosis and membrane integrity), by M30 and M65 ELISA assays (for apoptosis and primary or secondary necrosis) as well as cytofluorimetric analysis (caspase 3/7 activity and annexin-V-FITC staining for early and late stage apoptosis). VPA exhibited anti-growth effect against both MCF-7 and MCF-7s cells in a dose (0.6 20 mM) and time (24, 48, 72 h) dependent manner. As expected, MCF-7s cells were found more resistant to VPA than MCF-7 cells. It was observed that VPA prevented mammosphere formation at relatively lower doses (2.5 and 5 mM) while the acetylation of histon H3 was increased. At the same doses, VPA increased the M30 levels, annexin-V-FITC positivity and caspase 3/7 activation, implying the induction of apoptosis. The secondary necrosis (late stage of apoptosis) was also evidenced by nuclear pyknosis with propidium iodide staining positivity. Taken together, inhibition of HDACs is cytotoxic to BCSCs by apoptosis. Our results suggested that targeting the epigenetic regulation of histones may be a novel approach and hold significant promise for successful treatment of breast cancer. PMID- 29225139 TI - Astrocytes and ischemic tolerance. AB - A mild non-lethal ischemic episode can induce resistance to a subsequent severe ischemic injury in the brain. This phenomenon is termed ischemic tolerance or ischemic preconditioning, and is an endogenous mechanism that can provide robust neuroprotection. Because of its neuroprotective effects against cerebral ischemia or stroke, ischemic tolerance has been widely studied. However, almost all studies have been performed from the viewpoint of neurons. Accumulating evidence suggests that glial cells have various roles in regulation of brain function, including modulation of synaptic transmission, neuronal excitation, and neuronal structure. In addition, astrocytes are closely related to homeostasis, stability of brain function, and protection of neurons. However, glial cells have received only limited attention with regard to ischemic tolerance. Cross-ischemic preconditioning is a phenomenon whereby non-ischemic preconditioning such as mechanical, thermal, and chemical treatment can induce ischemic tolerance. Of these, chemical treatments that affect the immune system can strongly induce ischemic tolerance, suggesting that glial cells may have important roles in this process. Indeed, we and others have demonstrated that glial cells, especially astrocytes, play a pivotal role in the induction of ischemic tolerance. This glial-mediated ischemic tolerance provides a robust and long-lasting neuroprotection against ischemic injury. In this review, we discuss the mechanisms underlying glial-mediated ischemic tolerance, as well as its potential benefits, problems, and therapeutic application. PMID- 29225140 TI - Reactive astrocytes in Alzheimer's disease: A double-edged sword. AB - Alzheimer's disease (AD) is a chronic and fatal disease, in which neuronal damage at its late stage cannot be easily reversed. Because AD progression is caused by multiple factors including diverse cellular processes, studies on AD pathogenesis at the molecular and cellular level are challenging. Based on the lessons from unsuccessful neuron-focused research for an AD cure, non-cell autonomous mechanisms including brain inflammation and reactive astrocytes have recently been in the spotlight as potential therapeutic targets for AD. Studies have shown that reactive astrocytes are not only the result of inflammatory defense reactions, but also an active catabolic decomposer that acts by taking up amyloid beta toxins. Here, we give an overview of the characteristics of reactive astrocytes as pathological features of AD. Reactive astrocytes exert biphasic effects, that is, beneficial or detrimental depending on multiple factors. Many efforts have been put forth for defining and characterizing molecular signatures for the beneficial and detrimental reactive astrocytes. In the foreseeable future, manipulating and targeting each established molecular signature should have profound therapeutic implications for the treatment of AD. PMID- 29225141 TI - Effects of healthcare professional delivered early feeding interventions on feeding practices and dietary intake: A systematic review. AB - BACKGROUND: Childhood obesity is a global public health challenge. Parental feeding practices, such as responsive feeding, are implicated in the etiology of childhood obesity. PURPOSE: This systematic review aimed to examine of effects of healthcare professional-delivered early feeding interventions, on parental feeding practices, dietary intake, and weight outcomes for children up to 2 years. The role of responsive feeding interventions was also specifically examined. METHODS: Databases searched included: CINAHL, the Cochrane Library, EMBASE, Medline, PubMed, PsycINFO, and Maternity and Infant Care. INCLUSION CRITERIA: participants are parents of children <=2 years; intervention includes focus on early child feeding to prevent overweight and obesity; intervention delivered by healthcare professionals. RESULTS: Sixteen papers, representing 10 trials, met inclusion criteria for review. Six interventions included responsive feeding components. Interventions demonstrated inconsistent effects on feeding practices, dietary intake, and weight outcomes. Findings suggest some reductions in pressure to eat and infant consumption of non-core beverages. Responsive feeding based interventions demonstrate greater improvements in feeding approaches, and weight outcomes. CONCLUSIONS: The findings of this review highlight the importance of incorporating responsive feeding in healthcare professional delivered early feeding interventions to prevent childhood obesity. Observed inconsistencies across trials may be explained by methodological limitations. PMID- 29225142 TI - Ethical concerns regarding animal use mediate the relationship between variety of pets owned in childhood and vegetarianism in adulthood. AB - Plant-based and vegetarian diets have been shown to have diverse health and environmental benefits and also serve to reduce farmed animal exploitation. It is therefore worthwhile to gain a better understanding of the factors that play a role in the decision to refrain from animal products. Past studies have shown that childhood pet ownership predicts the likelihood of adherence to a vegetarian diet in adulthood. Building on this research, we tested the hypothesis that the number of different types of pets owned in childhood is positively associated with degree of restriction of animal products in adulthood, and that this relationship is mediated by pro-animal attitudes. A self-selected convenience sample of 325 participants (77.2% female; mean age = 30.23 +/- 12.5) reported on their vegetarian status and completed the Animal Advocacy Scale and Child Pet Ownership Questionnaire. The number of different pets owned in childhood was positively correlated with degree of vegetarianism in adulthood (p < 0.001), but was no longer a significant predictor when controlling for moral opposition to animal exploitation. A significant Sobel test (z = 4.36; p < 0.001) confirmed the presence of full mediation. Findings support the hypothesis that individuals who owned a greater variety of pets in childhood endorse more concerns regarding animal use. This, in turn, appears to predict the decision to refrain from animal products in adulthood. The possibility that an enhanced ability to generalize empathy from companion to laboratory, farm, and wildlife animals underlies this relationship should be examined in future research. PMID- 29225143 TI - Valproic acid disrupts the biomechanics of late spinal neural tube closure in mouse embryos. AB - Failure of neural tube closure in the early embryo causes neural tube defects including spina bifida. Spina bifida lesions predominate in the distal spine, particularly after exposure to the anticonvulsant valproic acid (VPA). How VPA specifically disturbs late stages of neural tube closure is unclear, as neurulation is usually viewed as a uniform 'zippering' process along the spine. We recently identified a novel closure site ("Closure 5") which forms at the caudal extremity of the mouse posterior neuropore (PNP) when completion of closure is imminent. Here we investigated whether distal spina bifida in VPA exposed embryos involves disruption of Closure 5. Exposure of E8.5 mouse embryos to VPA in whole embryo culture had marked embryotoxic effects, whereas toxic effects were less pronounced in more developmentally advanced (E9) embryos. Only 33% of embryos exposed to VPA from E9 to E10.5 achieved PNP closure (control=90%). Short-term (8h) VPA treatment diminished supra-cellular F-actin cables which normally run along the lateral neural folds, and prevented caudal PNP narrowing normally characteristic of Closure 5 formation. Laser ablation of Closure 5 caused rapid neuropore widening. Equivalent ablations of the caudal PNP in VPA treated embryos resulted in significantly less widening, suggesting VPA prevents formation of Closure 5 as a biomechanically active structure. Thus, VPA exposure prevents morphological and biomechanical conversion of the caudal extreme of the PNP during late spinal closure. Closure 5 facilitates neural fold apposition when completion of closure is imminent, such that its disruption in VPA-exposed embryos may lead to distal spina bifida. PMID- 29225144 TI - Copy number variants in people with autism spectrum disorders and co-morbid psychosis. AB - The genetic association between autism spectrum disorder (ASD) and psychotic disorders such as schizophrenia is complicated and mirrors the clinical overlap between these conditions to some degree. However, no studies to date have examined the genetics of individuals dually diagnosed with both ASD and psychosis. In this study, we present findings of copy number variants (CNVs) from a study of 116 well-characterised individuals with this dual diagnosis. DNA was extracted and arrayed using the Affymetrix CytoScan HD 2.8M array or the Affymetrix Cytogenetics arrays and compared with existing samples from the Database of Genomic Variants and the Simons Simplex Collection of CNVs from individuals with ASD and their families. Twenty-seven novel CNVs >=20k base pairs were identified in the sample, most occurring in only a single individual, although two were found in two female participants. Forty-nine rare CNVs (<1.5% rate in general population) were also found at significantly higher frequencies than expected. The findings may provide evidence for areas of further study in the understanding of the development of both ASD and psychosis due to the number of affected genetic regions that have not previously been linked to these conditions. PMID- 29225145 TI - Surprisingly good outcome in antenatal diagnosis of severe hydrocephalus related to CCDC88C deficiency. AB - Non-syndromic congenital hydrocephalus is aetiologically diverse and while a genetic cause is frequently suspected, it often cannot be confirmed. The most common genetic cause is L1CAM-related X-linked hydrocephalus and that explains only 5%-10% of all male cases. This underlines a current limitation in our understanding of the genetic burden of non-syndromic congenital hydrocephalus, especially for those cases with likely autosomal recessive inheritance. Additionally, the prognosis for most cases of severe congenital hydrocephalus is poor, with most of the surviving infants displaying significant intellectual impairment despite surgical intervention. It is for this reason that couples with an antenatal diagnosis of severe hydrocephalus are given the option, and may opt, for termination of the pregnancy. We present two families with CCDC88C-related recessive congenital hydrocephalus with children who had severe hydrocephalus. Those individuals who were shunted within the first few weeks of life, who did not require multiple surgical revisions, and who had a more distal truncating variant of the CCDC88C gene met their early childhood developmental milestones in some cases. This suggests that children with CCDC88C-related autosomal recessive hydrocephalus can have normal developmental outcomes under certain circumstances. We recommend CCDC88C analysis in cases of severe non-syndromic congenital hydrocephalus, especially when aqueduct stenosis with or without a medial diverticulum is seen, in order to aid prognosis discussion. PMID- 29225147 TI - Host specificity in the Giardia duodenalis species complex. AB - Giardia duodenalis is a unicellular flagellated parasite that infects the gastrointestinal tract of a wide range of mammalian species, including humans. Investigations of protein and DNA polymorphisms revealed that G. duodenalis should be considered as a species complex, whose members, despite being morphologically indistinguishable, can be classified into eight groups, or Assemblages, separated by large genetic distances. Assemblages display various degree of host specificity, with Assemblages A and B occurring in humans and many other hosts, Assemblage C and D in canids, Assemblage E in hoofed animals, Assemblage F in cats, Assemblage G in rodents, and Assemblage H in pinnipeds. The factors determining host specificity are only partially understood, and clearly involve both the host and the parasite. Here, we review the results of in vitro and in vivo experiments, and clinical observations to highlight relevant biological and genetic differences between Assemblages, with a focus on human infection. PMID- 29225146 TI - Microbial diversity within the airway microbiome in chronic pediatric lung diseases. AB - The study of the airway microbiome in children is an area of emerging research, especially in relation to the role microbial diversity may play in acute and chronic inflammation. Three such pediatric airway diseases include cystic fibrosis, asthma, and chronic lung disease of prematurity. In cystic fibrosis, the presence of Pseudomonas spp. is associated with decreased microbial diversity. Decreasing microbial diversity is also associated with poor lung function. In asthma, early viral infections appear to drive changes in bacterial diversity which may be associated with asthma risk. Premature infants with Ureaplasma spp. are at higher risk for chronic lung disease due to inflammation. Microbiome changes due to prematurity also appear to affect the inflammatory response to viral infections post-natally. Importantly, microbial diversity can be measured using metataxonomic (e.g., 16S rRNA sequencing) and metagenomic (e.g., shotgun sequencing) approaches. A metagenomics approach may be preferable as it can provide further granularity of the sample composition, identifying the bacterial species or strain, information on additional microbial components, including fungal and viral components, information about functional genomics of the microbiome, and information about antimicrobial resistance mutations. Future studies of pediatric airway diseases incorporating these techniques may provide evidence for new treatment approaches for these vulnerable patient populations. PMID- 29225148 TI - Phylogeny and antimicrobial resistance in Neisseria gonorrhoeae isolates from Rio de Janeiro, Brazil. PMID- 29225149 TI - Detection and characterization of molecular-level collagen damage in overstretched cerebral arteries. AB - : It is well established that overstretch of arteries alters their mechanics and compromises their function. However, the underlying structural mechanisms behind these changes are poorly understood. Utilizing a recently developed collagen hybridizing peptide (CHP), we demonstrate that a single mechanical overstretch of an artery produces molecular-level unfolding of collagen. In addition, imaging and quantification of CHP binding revealed that overstretch produces damage (unfolding) among fibers aligned with the direction of loading, that damage increases with overstretch severity, and that the onset of this damage is closely associated with tissue yielding. These findings held true for both axial and circumferential loading directions. Our results are the first to identify stretch induced molecular damage to collagen in blood vessels. Furthermore, our approach is advantageous over existing methods of collagen damage detection as it is non destructive, readily visualized, and objectively quantified. This work opens the door to revealing additional structure-function relationships in arteries. We anticipate that this approach can be used to better understand arterial damage in clinically relevant settings such as angioplasty and vascular trauma. Furthermore, CHP can be a tool for the development of microstructurally-based constitutive models and experimentally validated computational models of arterial damage and damage propagation across physical scales. STATEMENT OF SIGNIFICANCE: Arteries play a critical role by carrying oxygen and essential nutrients throughout the body. However, trauma to the head and neck, as well as surgical interventions, can overstretch arteries and alter their mechanics. In order to better understand the cause of these changes, we employ a novel collagen hybridizing peptide (CHP) to study collagen damage in overstretched arteries. Our approach is unique in that we go beyond the fiber- and fibril-level and characterize molecular-level disruption. In addition, we image and quantify fluorescently-labeled CHP to reveal a new structure-property relationship in arterial damage. We anticipate that our approach can be used to better understand arterial damage in clinically relevant settings such as angioplasty and vascular trauma. PMID- 29225150 TI - Decellularised conjunctiva for ocular surface reconstruction. AB - : Conjunctival reconstruction is an integral component of ocular surface restoration. Decellularised tissues are frequently used clinically for tissue engineering. This study identifies porcine decellularised conjunctiva (PDC) and human decellularised conjunctiva (HDC) as promising substitutes for conjunctival reconstruction. PDC and HDC were nearly DNA-free, structurally intact and showed no cytotoxic effects in vitro, which was confirmed by DNA quantification, histology, transmission electron microscopy, collagen quantification and cytotoxicity assay. Comparing the biomechanical properties to amniotic membrane (AM), the most frequently applied matrix for ocular surface reconstruction today, the decellularised conjunctiva was more extensible and elastic but exhibited less tensile strength. The in vivo application in a rabbit model proofed significantly enhanced transplant stability and less suture losses comparing PDC and HDC to AM while none of the matrices induced considerable inflammation. Ten days after implantation, all PDC, 4 of 6 HDC but none of the AM transplants were completely integrated into the recipient conjunctiva with a partially multi-layered epithelium. Altogether, decellularised conjunctivas of porcine and human origin were superior to AM for conjunctival reconstruction after xenogeneic application in vivo. STATEMENT OF SIGNIFICANCE: Conjunctival integrity is essential for a healthy ocular surface and clear vision. Its reconstruction is required in case of immunological diseases, after trauma, chemical or thermal burns or surgery involving the conjunctiva. Due to limitations of currently used substitute tissues such as amniotic membrane, there is a need for the development of new matrices for conjunctival reconstruction. Decellularised tissues are frequently applied clinically for tissue engineering. The present study identifies porcine and human decellularised conjunctiva as biocompatible and well tolerated scaffolds with superior integration into the recipient conjunctiva compared to amniotic membrane. Decellularised conjunctiva depicts a promising substitute for conjunctival reconstruction in ophthalmology. PMID- 29225151 TI - Injectable in situ forming gel based on lyotropic liquid crystal for persistent postoperative analgesia. AB - : Local anesthetics have been widely used for postoperative analgesia. However, multiple injections or local infiltration is required due to the short half-lives of local anesthetics after single injection, which results in poor compliance and increasing medical expense. In this study, an in situ forming gel (ISFG) based on lyotropic liquid crystal was developed to deliver bupivacaine hydrochloride (BUP) for long-acting postoperative analgesia. BUP-ISFG was designed to be administrated as a precursor solution which would spontaneously transform into gel with well-defined internal nanostructures for sustained drug release at the site of administration when exposed to physiological fluid. A lamellar-hexagonal cubic phase transition occurred during the in situ gelation. The lamellar phase of the precursor solution endows it with low viscosity for good syringeability while the unique nanostructures of hexagonal and cubic phases of the in situ gel provide sustained drug release. Persistent analgesia effect in vivo was achieved with BUP-ISFG, and the plasma BUP concentration was found to be steadier compared to commercially available BUP for injection. In addition, the ISFG displayed acceptable biocompatibility and good biodegradability. The findings are positive about ISFG as a sustained release system for persistent postoperative analgesia. STATEMENT OF SIGNIFICANCE: To address the issue of insufficient postoperative analgesia associated with short half-lives of local anesthetics after single injection, an in situ forming gel (ISFG) based on lyotropic liquid crystal was developed to deliver bupivacaine hydrochloride (BUP) for postoperative analgesia over three days. The results demonstrated that persistent analgesia effect in vivo was achieved with single injection of BUP-ISFG, and the plasma BUP concentration was found to be steadier compared to commercially available BUP injection. The BUP-ISFG possessed a lamellar-hexagonal-cubic phase transition with corresponding crystal change in 3D nanostructure during the in situ gelation. The relationship between crystal nanostructure and carrier function, might provide some insights to the design and clinical applications of the drug delivery systems based on lyotropic liquid crystal. PMID- 29225152 TI - A Randomized Controlled Trial of Intra-Aortic Adenosine Infusion Before Release of the Aortic Cross-Clamp During Coronary Artery Bypass Surgery. AB - OBJECTIVES: To assess the feasibility, safety, and potential useful effect of adenosine as a postconditioning agent in patients undergoing coronary artery bypass grafting surgeries. DESIGN: Prospective randomized controlled study. SETTING: University hospital. PARTICIPANTS: The study comprised 60 patients scheduled for coronary artery bypass grafting surgery. INTERVENTIONS: Adenosine (postconditioning group) or placebo (control group). Adenosine infusion (150 ug/kg/min) for 10 minutes via a cardioplegia needle into the aortic root was started 10 minutes before aortic cross-clamp removal. MEASUREMENTS AND MAIN RESULTS: Compared with the control group, ejection fraction, fractional shortening, cardiac index (2.9 +/- 0.3 v 2.2 +/- 0.3 L/min/m2, p = 0.032 at 60 min postbypass) and diastolic function indices were significantly better in the postconditioning group at most time points in the postbypass period. Cardiac troponin I and creatine kinase-MB release and the inotropic score were significantly lower in the postconditioning group at most time points in the postoperative period. The need for intra-aortic balloon and epicardial pacing were comparable in both groups, whereas incidence of arrhythmia, duration of postoperative mechanical ventilation, and intensive care unit and total hospital stays were significantly lower in the postconditioning group. CONCLUSIONS: Adenosine postconditioning provided cardiac protection as evidenced by a favorable outcome on systolic and diastolic function indices, less cardiac troponin I and creatine kinase-MB release, lower incidence of arrhythmia, lower inotropic score, and shorter duration of postoperative mechanical ventilation and intensive care unit stay. PMID- 29225153 TI - Ipsilateral Shoulder Pain After Thoracotomy: Multifactorial in Cause, New Treatment Option. PMID- 29225154 TI - Development of a Predictive Model for Blood Transfusions and Bleeding During Liver Transplantation: An Observational Cohort Study. AB - OBJECTIVE: Orthotopic liver transplantation (OLT) frequently is associated with major blood loss and considerable transfusion requirements. The goal of this study was to define the risk factors for multiple transfusions and major bleeding during OLT and to help identify higher risk patients that could benefit from targeted interventions. DESIGN: OLTs were studied for this observational cohort study. SETTING: Community hospital. PARTICIPANTS: A total of 800 consecutive OLTs were studied. INTERVENTION: No intervention. MEASUREMENTS AND MAIN RESULTS: Baseline and intraoperative data were gathered. Multivariate logistic regression analyses were performed to find variables associated with 2 outcomes: transfusion of more than 2 units of red blood cells (RBC) and bleeding >=900 mL. Two nomograms were developed to predict individual risks. The overall intraoperative RBC transfusion was 0.6 +/- 1.4 units on average, and 61 surgeries (7.6%) received more than 2 units of RBC (4.5 +/- 1.9). Some variables were associated with the outcomes: 5 were associated with transfusion of more than 2 units of RBC (patient's height, starting hemoglobin concentration, starting bilirubin value, the use of a phlebotomy, and central venous pressure [CVP] at the time of vena cava clamping) and 3 with blood loss of >=900 mL (starting hemoglobin value, Child-Turcotte-Pugh score, and CVP at the time of vena cava clamping). Preclamping CVP showed the strongest association with both outcomes. Nomograms were developed to predict the individual OLT recipients' risk of requiring more than 2 units RBC and suffering from major bleeding. Among the variables associated with multiple RBC transfusions and major bleeding, 3 can lead to interventions: baseline hemoglobin value, the use of a phlebotomy, and the preclamping CVP. CONCLUSION: Some variables were able to predict the risk of multiple transfusions and major bleeding in this low bleeding liver transplantation population. Further studies based on these variables should be done to better define the role of targeted interventions in higher risk liver transplant recipients. PMID- 29225155 TI - Sufentanil Sublingual Tablet System for theManagement of Postoperative Pain afterVideo-Assisted Thoracic Surgery: APreliminary Clinical Experience. PMID- 29225156 TI - Performance of TCI Propofol Using the Schnider Model for Cardiac Surgery on Cardiopulmonary Bypass-A Pilot Study. AB - OBJECTIVE: This pilot study aimed to evaluate the performance of target controlled infusion (TCI) of propofol using the Schnider pharmacokinetic model in patients undergoing cardiac surgery requiring cardiopulmonary bypass. DESIGN: This was a prospective pharmacokinetic study. SETTING: A tertiary care hospital. PARTICIPANTS: This study is comprised of 10 patients, aged between 46 and 81, who underwent elective cardiac surgery requiring the use of cardiopulmonary bypass. INTERVENTIONS: Anesthetic technique was standardized. Hypnosis was maintained using TCI of propofol, titrated to achieve a bispectral index of 30 to 60. Calculated plasma propofol concentrations were recorded at 5 time points in total, before, during, and after cardiopulmonary bypass. Blood propofol concentration was measured at each of these time points. MEASUREMENTS AND MAIN RESULTS: The prediction errors and absolute prediction errors were calculated for each sample. From these, the median prediction error (MDPE) and its absolute value (MDAPE) were derived. Agreement between predicted and measured propofol concentrations was assessed using a Bland-Altman plot. Mean prediction errors were also compared pre-, on, and post-bypass using the generalized linear latent and mixed model. The MDPE and MDAPE were both found to be 45%, indicating significant bias toward under-prediction in the Schnider pharmacokinetic model. This bias was increased at an average propofol concentration of 4.5 MUg/mL and above. A significant decrease in mean prediction error was noted while on bypass (45.6%, 95% confidence intervals 9.2-82.1). CONCLUSIONS: The performance of the Schnider pharmacokinetic model for TCI propofol was poor, with a tendency toward under-prediction of blood propofol concentration, especially at higher average concentrations of propofol. While mitigating the risk of awareness, the risk of other adverse effects like hypotension and cardiorespiratory depression is increased. Patients should therefore be adequately monitored, and predicted plasma propofol concentrations taken in context with other patient parameters. A lower target concentration of propofol is probably sufficient to maintain an adequate depth of anesthesia as measured by BIS. PMID- 29225157 TI - The effect of amniotic membrane grafting on healing and wound strength after strabismus surgery in a rabbit model. AB - BACKGROUND: Amniotic membrane grafts (AMGs) are used, with mixed results, as a platform for ocular healing and to reduce pathologic scarring. This study evaluated wound tensile strength and histopathologic changes after strabismus surgery with AMGs in 20 New Zealand white rabbits. METHODS: All subjects underwent 4 mm inferior rectus hang-back recessions to both eyes. The right eyes served as controls. Ten left eyes (group 1) received processed dehydrated amniotic membrane allografts (Ambiodry2, IOP Inc, Costa Mesa, CA) and ten left eyes (group 2) received cryopreserved human amniotic membrane allografts (AmnioGraft, Bio-Tissue, Miami, FL) between the sclera and muscle insertion and between the muscle and repositioned conjunctiva. At postoperative month 1, tensile strengths of the muscle-globe and conjunctiva-globe attachments were measured, and histopathologic analysis of each eye was performed. RESULTS: In group 1 the mean tensile strength of the muscle-globe attachments was 441.4 +/- 274.4 g; of the conjunctiva-globe attachments, 640.3 +/- 266.4 g. In the control eyes, the comparable values were 365.8 +/- 199.8 g and 595.2 +/- 315.3 g, respectively (P = 0.19, P = 0.13). In group 2 the mean tensile strengths were 456 +/- 297.5 g and 608.2 +/- 306.7 g, compared with control values of 352.7 +/- 114.8 g and 583.8 +/- 347.1 g (P = 0.43, P = 0.45). CONCLUSIONS: There was no significant change in tensile strength of the muscle insertion using AMGs. In a rabbit model, AMGs do not reduce inflammation or improve scar formation 1 month after strabismus surgery. PMID- 29225158 TI - Exendin-4 partly ameliorates - hyperglycemia-mediated tissue damage in lungs of streptozotocin-induced diabetic mice. AB - Glucagon-like peptide-1 (GLP-1) stimulates insulin secretion, - plays anti inflammatory role in atherosclerosis, and has surfactant-releasing effects in lungs. GLP-1 analogues are used in diabetes therapy. This is the first study to investigate the effects of exendin-4, a GLP-1 receptor agonist, on lung injury in diabetic mice. BALB/c male mice were divided into four groups. The first group was given only citrate buffer, the second group was given only exendin-4, the third group was given only streptozotocin (STZ), and the fourth group was given both exendin-4 and STZ. Exendin-4 (3MUg/kg) was administered daily by subcutaneous injection for 30days after mice were rendered diabetic with a single dose of STZ (200mg/kg). Structural alterations, oxidative stress, apoptosis, insulin signaling and expressions of prosurfactant-C, alpha-smooth muscle actin, collagen-I and fibronectin were evaluated in lung tissue. Diabetic mice lungs were characterized by induced oxidative stress, apoptosis, edema, and cell proliferation. They had honeycomb-like alveoli, thicker alveolar walls, and hypertrophic pneumocytes. Although exendin-4 treatment improved pulmonary edema, apoptosis, oxidative stress, and lung injury, it led to the disrupted insulin signaling and interstitial collagen accumulation in the lungs of diabetic mice. Exendin-4 ameliorates hyperglycemia-mediated lung damage by reducing glucose, oxidative stress and stimulating cell proliferation. However, exendin-4 led to increased lung injury partly by reducing insulin signaling - and collagen accumulation around pulmonary vasculature in diabetic mice. PMID- 29225159 TI - Histopathology of periarticular non-hereditary heterotopic ossification. AB - In the mature adult skeleton, new bone formation is normally restricted to regeneration of osseous tissue at sites of fracture. However, heterotopic ossification, or the formation of bone outside the normal skeleton, can occur within muscle, adipose, or fibrous connective tissue. Periarticular non hereditary heterotopic ossification (NHHO) may occur after musculoskeletal trauma, following CNS injury, with certain arthropathies, or following injury or surgery that is often sustained in the context of age-related pathology. The histological mechanism of bone development in these forms of heterotopic ossification has thus far been uncharacterized. We performed a histological analysis of 90 bone specimens from 18 patients with NHHO secondary to defined precipitating conditions, including traumatic brain injury, spinal cord injury, cerebrovascular accident, trauma without neurologic injury, and total hip or knee arthroplasty. All bone specimens revealed normal endochondral osteogenesis at heterotopic sites. We defined the order of sequence progression in NHHO lesion formation as occurring through six distinct histological stages: (1) perivascular lymphocytic infiltration, (2) lymphocytic migration into soft tissue, (3) reactive fibroproliferation, (4) neovascularity, (5) cartilage formation, and (6) endochondral bone formation. This study provides the first systematic evaluation of the predominant histopathological findings associated with multiple forms of NHHO and shows that they share a common mechanism of lesion formation. PMID- 29225160 TI - Oncogenic non-coding RNA NEAT1 promotes the prostate cancer cell growth through the SRC3/IGF1R/AKT pathway. AB - Steroid receptor co-activator3 (SRC3) has been known to severe as an androgen receptor (AR) coactivator and is involved in the prostate cancer progression. Non coding RNA (ncRNA) plays an important role in the cancer progression. However, the mechanism underlying the relationship between ncRNA and AR coactivators is still unclear. Here, we found a ncRNA, Nuclear Enriched Abundant Transcript 1 (NEAT1), was able to interact with SRC3 in the prostate cancer cell lines. NEAT1 can upregulate the AKT phosphorylation via a SRC3/IGF1R pathway. In function, NEAT1 promoted the prostate cancer cell growth through IGF1R/AKT signaling pathway. The NEAT1, SRC3, and IGF1R were highly expressed in the patients' samples of prostate cancer. Therefore, we found a novel SRC3 binding ncRNA that can promote the prostate cancer cell growth through SRC3/IGF1R/AKT pathway. PMID- 29225161 TI - Self-Efficacy and Pressure Ulcer Prevention After Spinal Cord Injury-Results From a Nationwide Community Survey in Switzerland (SwiSCI). AB - BACKGROUND: Pressure ulcers (PUs) are a common and severe health condition in persons with spinal cord injury (SCI). Skin-care strategies for PU prevention are usually provided during initial rehabilitation. However, individuals with SCI often do not perform these strategies continuously, especially after discharge. The influence of psychological factors such as general self-efficacy (GSE) on the performance of PU prevention behavior has not yet been sufficiently explored. OBJECTIVE: To investigate whether persons with greater levels of GSE are more likely to perform skin-care strategies for PU prevention regularly. DESIGN: Nationwide cross-sectional survey within the Swiss Spinal Cord Injury Cohort Study. SETTING: Community setting, data collection between 2011 and 2013. PARTICIPANTS: A total of 456 subjects with a traumatic or nontraumatic SCI living in Switzerland. METHODS: Associations between GSE and PU prevention behavior were analyzed by multivariate proportional odds regression models, including potential sociodemographic, lesion-related, and lifestyle-related confounders without and with interaction terms between GSE and potential effect modifiers. MAIN OUTCOME MEASUREMENTS: Self-efficacy was assessed by the GSE scale comprising 10 items. PU preventive behavior was operationalized using 5 items of an adapted version of the Spinal Cord Injury Lifestyle scale. Both measurements were components of a self-administered questionnaire. RESULTS: Based on the regression model without interaction terms, GSE levels were not associated with skin-care PU prevention. After we included interaction terms, the final model showed statistically significant associations between GSE and 3 skin-care items with odds ratios ranging from 1.09 to 1.17 (all P < .001). The slightly positive effect of GSE on PU prevention behavior was restricted to persons who sustained their SCI at a younger age. CONCLUSIONS: GSE was generally not associated with skin-care PU prevention behavior among persons with SCI in this study. In further research, it might be of interest to assess SCI-specific concepts of self-efficacy. LEVEL OF EVIDENCE: III. PMID- 29225162 TI - Can Ultrasound Be Used to Improve the Palpation Skills of Physicians in Training? A Prospective Study. AB - BACKGROUND: Accurate diagnosis of musculoskeletal disorders relies heavily on the physical examination, including accurate palpation of musculoskeletal structures. The literature suggests that there has been a deterioration of physical examination skills among medical students and residents, in part due to increased reliance on advanced imaging. It has been shown that knowledge of musculoskeletal anatomy and physical examination skills improve with the use of ultrasound; however, the literature is limited. OBJECTIVE: To determine whether ultrasound can improve the ability of physicians in training (residents) to palpate the long head of the biceps tendon (LHBT) in the bicipital groove. DESIGN: Prospective study design. SETTING: Tertiary care center. PARTICIPANTS: Ten physical medicine and rehabilitation residents served as subjects. Exclusion criteria included the presence of any condition that precluded their ability to palpate. Three volunteers were used as models. Model exclusion criteria included anything that distorted normal shoulder anatomy or inhibited examiner palpation. Three investigators with experience performing diagnostic musculoskeletal ultrasound were used to confirm palpation attempts. METHODS: Subjects attempted to palpate the LHBT bilaterally in the bicipital groove of each model. Investigators assessed the accuracy of the palpation attempt using real-time ultrasonography. Subjects participated in a 30-minute ultrasound-assisted training session learning how to palpate the LHBT in the bicipital groove with ultrasound confirmation. After the ultrasound training session, subjects again attempted to palpate the LHBT in the bicipital groove of each model with investigator confirmation. MAIN OUTCOME MEASUREMENTS: LHBT palpation accuracy rates preintervention versus postintervention. RESULTS: Pretraining LHBT palpation accuracy was 20% (12/60 attempts). Post-ultrasound training session accuracy was 51.7% (31/60 attempts; P <= .001). CONCLUSIONS: Our findings demonstrate that palpation accuracy improves after ultrasound assisted LHBT palpation training. These data suggest that the use of ultrasound may be beneficial when teaching musculoskeletal palpation skills to health care professionals. LEVEL OF EVIDENCE: II. PMID- 29225163 TI - Impact of Dose-Adjusted Melphalan in Obese Patients Undergoing Autologous Stem Cell Transplantation. AB - Limited guidance exists for dosing melphalan for autologous stem cell transplantation (ASCT) in the obese patient population, because the current literature reports conflicting clinical outcomes between obese and nonobese patients. In 2014, the American Society for Blood and Marrow Transplantation published conditioning chemotherapy dosing guidelines for obese patients and recommended dosing of melphalan using actual body weight (ABW) in the body surface area calculation. The practice at Barnes-Jewish Hospital has consistently been to dose melphalan using adjusted body weight (AdBW), with a 20% correction when a patient weighs >=120% of his or her ideal body weight (IBW). The purpose of this study was to compare outcomes of melphalan ASCT in patients with multiple myeloma between obese (>=120% IBW) and nonobese (<120% IBW) populations. This retrospective, single-center study included adult patients with multiple myeloma undergoing first ASCT with melphalan conditioning between January 2009 and December 2012. Patient demographic data, transplantation characteristics, and clinical outcomes were collected. The primary outcome was 3-year event-free survival (EFS). Secondary outcomes included response at 100 days post transplantation, 3-year overall survival, treatment-related mortality (TRM), time to neutrophil engraftment, and hospital length of stay (LOS). To ensure that melphalan dosage adjustment in the obese population did not impact efficacy, the primary outcome was assessed using a noninferiority design, with a predetermined noninferiority margin of 7%. Assuming a 70% 3-year EFS in the nonobese population, a noninferiority margin of 7%, a power of 80%, and an alpha value of .05, an analysis of 280 patients was required. A total of 270 patients, including 171 (63%) obese patients and 99 (37%) nonobese patients, met our inclusion criteria. Baseline characteristics were well matched between the 2 cohorts, including high-risk cytogenetics, disease severity at diagnosis, and use of maintenance therapy, with the only detectable differences related to weight itself. The 3-year EFS was 41% for the total cohort, with fewer events occurring in the obese cohort compared with the nonobese cohort (51% versus 40%; P = .0025). The 95% lower confidence limit established noninferiority. High-risk cytogenetics, disease severity at diagnosis, and therapy response pre- and post ASCT were all associated with significantly shorter EFS. No between-group differences in TRM, time to engraftment, or hospital LOS were noted. This retrospective, single-center study found that using AdBW to dose melphalan in obese patients was not inferior to the nonobese population in terms of 3-year EFS. This study adds to the limited evidence on melphalan dosing and suggests that transplantation efficacy is not affected by AdBW dosing in obese patients. Further studies are needed to provide additional insight into the pharmacokinetic differences and best dosing practices for obese patients. PMID- 29225164 TI - Efficacy of High-Dose Therapy and Autologous Hematopoietic Cell Transplantation in Gray Zone Lymphoma: A US Multicenter Collaborative Study. AB - High-dose therapy (HDT) and autologous hematopoietic cell transplantation (auto HCT) has been anecdotally prescribed in gray zone lymphoma (GZL), showing encouraging efficacy. We conducted a multicenter retrospective study aimed at assessing outcomes after auto-HCT in 32 patients with GZL treated at 9 transplantation centers in the United States. The median age of patients at transplantation was 38 years (range, 18 to 70 years), and the majority were male (n = 21; 66%). The median number of lines of therapy before transplantation was 2 (range, 1 to 4). BEAM was the most commonly prescribed regimen (n = 23; 72%). The median duration of follow-up for surviving patients was 34 months (range, 1 to 106 months). Median overall survival (OS) was not reached. The 3-year progression free survival (PFS) and OS for all patients were 69% and 78%, respectively. Three year PFS and OS were 100% for patients who received only 1 line of therapy before auto-HCT versus 65% (PFS, P = .25) and 75% (OS, P = .39) for those receiving >1 line. The cumulative incidence of relapse/progression was 4% at 1 year post transplantation and 31% at 3 years post-transplantation. The 3-year nonrelapse mortality was 0%. These findings suggest that HDT and auto-HCT is an effective treatment in patients with GZL. Our findings ideally require confirmation in a larger cohort of patients, preferably in the setting of large prospective multicenter randomized controlled trials. However, we acknowledge that such studies could be difficult to conduct in patients with GZL owing to the disease's rarity. Alternatively, a multicenter prospective study that includes tissue banking and a data registry is warranted to help better understand the biology and natural history of the disease. PMID- 29225165 TI - Cross talk between TP53 and c-Myc in the pathophysiology of Diamond-Blackfan anemia: Evidence from RPL11-deficient in vivo and in vitro models. AB - Mutations in genes encoding ribosomal proteins have been identified in Diamond Blackfan anemia (DBA), a rare genetic disorder that presents with a prominent erythroid phenotype. TP53 has been implicated in the pathophysiology of DBA with ribosomal protein (RP) L11 playing a crucial role in the TP53 response. Interestingly, RPL11 also controls the transcriptional activity of c-Myc, an oncoprotein that positively regulates ribosome biogenesis. In the present study, we analyzed the consequences of rpl11 depletion on erythropoiesis and ribosome biogenesis in zebrafish. As expected, Rpl11-deficient zebrafish exhibited defects in ribosome biogenesis and an anemia phenotype. However, co-inhibition of Tp53 did not alleviate the erythroid aplasia in these fish. Next, we explored the role of c-Myc in RPL11-deficient cellular and animal models. c-Myc and its target nucleolar proteins showed upregulation and increased localization in the head region of Rpl11-deficient zebrafish, where the morphological abnormalities and tp53 expression were more pronounced. Interestingly, in blood cells derived from DBA patients with mutations in RPL11, the biogenesis of ribosomes was defective, but the expression level of c-Myc and its target nucleolar proteins was unchanged. The results suggest a model whereby RPL11 deficiency activates the synthesis of c-Myc target nucleolar proteins, which subsequently triggers a p53 response. These results further demonstrate that the induction of Tp53 mediates the morphological, but not erythroid, defects associated with RPL11 deficiency. PMID- 29225166 TI - Apatinib inhibits migration and invasion as well as PD-L1 expression in osteosarcoma by targeting STAT3. AB - The cure rate of osteosarcoma has not improved in the past 30 years. The new treatments and drugs is urgently needed, especially for metastatic osteosarcoma. Anti-angiogenesis therapy and immunotherapy has got promising anti-tumor effects in various tumors. It is hypothesised that combining checkpoint inhibitor immunotherapies with antiangiogenic treatment may have a synergistic effect and enhance the efficacy of both treatments. However, its underlying mechanism remain largely uninvestigated. To investigate the clinical significance of vascular endothelial growth factor receptor-2 (VEGFR2) and programmed death ligand-1 (PD L1) in osteosarcoma, we analyzes their expression levels in 93 osteosarcoma specimens by immunohistochemistry. Meanwhile, we analyzes their correlation with the metastatic behavior and overall survival (OS). We also investigate the effects of Apatinib on migration and invasion of osteosarcoma cells and its underlying mechanism in vitro and in vivo. In our study, the positive rates of the VEGFR2 and PD-L1 expression are 64.5% (60/93) and 35.5% (33/93), respectively. A significant correlation is detected between VEGFR2 and PD-L1 expression (P = 0.009). Receiver-operating characteristic (ROC) curves analysis indicates the predictive value of the two markers in tumor metastasis, and both PD-L1 and VEGFR2 are negatively correlated with OS. Transwell assays reveals that VEGFR2 inhibition attenuates migration and invasion of osteosarcoma cells. Mechanistically, we demonstrate that Apatinib attenuates migration and invasion by suppressing epithelial-mesenchymal transition (EMT) and inactivating STAT3. Additionally, Apatinib reduces PD-L1 expression in osteosarcoma cells. Apatinib markedly weakens pulmonary metastatic potential of osteosarcoma in vivo. In conclusion, our study reveals a pro-metastatic functional mechanism for VEGFR2 in osteosarcoma. Furthermore, we demonstrate that Apatinib exerts anti-tumor effect not only through antiangiogenic effect, but also via suppressing immune escape, which may represent a potential therapeutic target for metastatic osteosarcoma. PMID- 29225167 TI - Adenovirus infection induces HuR relocalization to facilitate virus replication. AB - HuR is an RNA-binding protein of the embryonic lethal abnormal vision (ELAV) family, which binds to the AU-rich element (ARE) in the 3'-untranslated region (UTR) of certain mRNAs and is involved in the nucleo-cytoplasmic export and stabilization of ARE-mRNAs. The cytoplasmic relocalization of ARE-mRNAs with several proteins such as HuR and pp32 increases in cells transformed by the adenovirus oncogene product E4orf6. Additionally, these ARE-mRNAs were stabilized and acquired the potential to transform cells. Although, the relocalization of HuR and the stabilization of ARE-mRNAs are crucial for cell transformation, evidence regarding the relationship of HuR and ARE-mRNAs with adenovirus replication is lacking. In this report, we demonstrate that adenovirus infection induces the relocation of HuR to the cytoplasm of host cells. Analysis using the luciferase-ARE fusion gene and the tetracycline (tet)-off system revealed that the process of stabilizing ARE-mRNAs is activated in adenovirus-infected cells. Heat shock treatment or knockdown-mediated depletion of HuR reduced adenovirus production. Furthermore, expression of ARE-including viral IVa2 mRNA, decreased in HuR-depleted infected cells. These results indicate that HuR plays an important role in adenovirus replication, at least in part, by up-regulating IVa2 mRNA expression and that ARE-mRNA stabilization is required for both transformation and virus replication. PMID- 29225168 TI - Cortistatin attenuates angiotensin II-induced abdominal aortic aneurysm through inactivation of the ERK1/2 signaling pathways. AB - Abdominal aortic aneurysm (AAA) is a fatal disease that is associated with chronic inflammation in the vessel wall. Cortistatin is implicated in inflammation, vascular smooth muscle cell migration and other cardiovascular pathologies. But, the hypothetical effect of cortistatin on AAA remains uncertain. We investigated the effect of cortistatin administration to angiotensin (Ang) II-induced AAA formation in apolipoprotein E deficient (Apoe-/ ) mice. We showed that cortistatin administration significantly suppresses incidence and severity of AAA in Apoe-/- mice. A significant increase in macrophage infiltration, excretion of inflammatory cytokines, activities and expression levels of MMP2 and MMP9, reactive oxygen species levels and cell apoptosis in aneurysmal aortic wall of Apoe-/- mice infused with Ang-II, and these events were significantly alleviated by co-treatment with cortistatin. Mechanistic studies showed that the protective effects of cortistatin were related to the blocking of ERK1/2 signaling pathways, while does not was not actually affect JNK, P38 phosphorylation. In conclusion, cortistatin appears to play an essential role in the formation of AAA and indicate cortistatin may as novel therapeutic option for AAA. PMID- 29225169 TI - Inhibition of Orai1-mediated Ca2+ entry limits endothelial cell inflammation by suppressing calcineurin-NFATc4 signaling pathway. AB - Orai1-dependent Ca2+ entry plays an essential role in inflammatory response through regulating T cell and macrophage activation and neutrophil infiltration. However, whether Orai1 Ca2+ entry contributes to endothelial activation, one of the early steps of vascular inflammation, remains elusive. In the present study, we observed that knockdown of Orai1 reduced, whereas overexpression of Orai1 potentiated, TNFalpha-induced expression of adhesion molecules such as ICAM-1 and VCAM-1 in HUVECs, and subsequently blocked adhesion of monocyte to HUVECs. In vivo, Orai1 downregulation attenuated TNFalpha-induced ICAM-1 and VCAM-1 expression in mouse aorta and the levels of pro-inflammatory cytokines in the serum. In addition, Orai1 knockdown also dramatically decreased the expression of pro-inflammatory cytokines and neutrophil infiltration in the lung after TNFalpha treatment, and thus protected lung tissue injury. Notably, among all isoforms of nuclear factor of activated T cells (NFATs), TNFalpha only triggered NFATc4 nuclear accumulation in HUVECs. Knockdown of Orai1 or inhibition of calcineurin prevented TNFalpha-induced NFATc4 nuclear translocation and reduced ICAM-1 and VCAM-1 expression in HUVECs. Overexpression of NFATc4 further enhanced ICAM-1 and VCAM-1 expression induced by TNFalpha. Our study demonstrates that Orai1-Ca2+ calcineurin-NFATc4 signaling is an essential inflammatory pathway required for TNFalpha-induced endothelial cell activation and vascular inflammation. Therefore, Orai1 may be a potential therapeutic target for treatment of inflammatory diseases. PMID- 29225170 TI - Dihydromyricetin sensitizes human acute myeloid leukemia cells to retinoic acid induced myeloid differentiation by activating STAT1. AB - The success of all-trans retinoic acid (ATRA) in differentiation therapy for patients with acute promyelocytic leukemia (APL) highly encourages researches to apply a new combination therapy based on ATRA. Therefore, research strategies to further sensitize cells to retinoids are urgently needed. In this study, we showed that Dihydromyricetin (DMY), a 2,3-dihydroflavonol compound, exhibited a strong synergy with ATRA to promote APL NB4 cell differentiation. We observed that DMY sensitized the NB4 cells to ATRA-induced cell growth inhibition, CD11b expression, NBT reduction and myeloid regulator expression. PML-RARalpha might not be essential for DMY-enhanced differentiation when combined with ATRA, while the enhanced differentiation was dependent on the activation of p38-STAT1 signaling pathway. Taken together, our study is the first to evaluate the synergy of DMY and ATRA in NB4 cell differentiation and to assess new opportunities for the combination of DMY and ATRA as a promising approach for future differentiation therapy. PMID- 29225171 TI - CtBP represses Dpp signaling as a dimer. AB - C-terminal binding protein (CtBP) is a highly conserved transcriptional co repressor in animal development and human diseases. In Drosophila, CtBP is critical for fly development and is thought to exert its repressive roles in many signaling pathways including Dpp/BMP pathway. Here we provide evidence that although wild type CtBP negatively and dominantly influences Dpp signaling in fly presumptive wings, mutant CtBP unable to form dimer does not, indicating that dimerization is required for the repression role of CtBP in Dpp signaling in vivo. PMID- 29225172 TI - Role of allograft inflammatory factor-1 in bleomycin-induced lung fibrosis. AB - Allograft inflammatory factor-1 (AIF-1) is a protein expressed by macrophages infiltrating the area around the coronary arteries in a rat ectopic cardiac allograft model. We previously reported that AIF-1 is associated with the pathogenesis of rheumatoid arthritis and skin fibrosis in sclerodermatous graft versus-host disease mice. Here, we used an animal model of bleomycin-induced lung fibrosis to analyze the expression of AIF-1 and examine its function in lung fibrosis. The results showed that AIF-1 was expressed on lung tissues, specifically macrophages, from mice with bleomycin-induced lung fibrosis. Recombinant AIF-1 increased the production of TGF-beta which plays crucial roles in the mechanism of fibrosis by mouse macrophage cell line RAW264.7. Recombinant AIF-1 also increased both the proliferation and migration of lung fibroblasts compared with control group. These results suggest that AIF-1 plays an important role in the mechanism underlying lung fibrosis, and may provide an attractive new therapeutic target. PMID- 29225173 TI - New insights into the membrane association mechanism of the glycosyltransferase WaaG from Escherichia coli. AB - Monotopic glycosyltransferases (GTs) interact with membranes via electrostatic interactions. The N-terminal domain is permanently anchored to the membrane while the membrane interaction of the C-terminal domain is believed to be weaker so that it undergoes a functionally relevant conformational change upon donor or acceptor binding. Here, we studied the applicability of this model to the glycosyltransferase WaaG. WaaG is involved in the synthesis of lipopolysaccharides (LPS) in Gram-negative bacteria and was previously categorized as a monotopic GT. We analyzed the binding of WaaG to membranes by stopped-flow fluorescence and NMR diffusion experiments. We find that electrostatic interactions are required to bind WaaG to membranes while mere hydrophobic interactions are not sufficient. WaaG senses the membrane's surface charge density but there is no preferential binding to specific anionic lipids. However, the binding is weaker than expected for monotopic GTs but similar to peripheral GTs. Therefore, WaaG may be a peripheral GT and this could be of functional relevance in vivo since LPS synthesis occurs only when WaaG is membrane-bound. We could not observe a C-terminal domain movement under our experimental conditions. PMID- 29225174 TI - Photopolymerized maleilated chitosan/methacrylated silk fibroin micro/nanocomposite hydrogels as potential scaffolds for cartilage tissue engineering. AB - Hydrogels composed of natural materials exhibit great application potential in artificial scaffolds for cartilage repair as they can resemble the extracellular matrices of cartilage tissues comprised of various glycosaminoglycan and collagen. Herein, the natural polymers with vinyl groups, i.e. maleilated chitosan (MCS) and methacrylated silk fibroin (MSF) micro/nanoparticles, were firstly synthesized. The chemical structures of MCS and MSF micro/nanoparticles were investigated using Fourier transform infrared (FTIR) spectroscopy, proton nuclear magnetic resonance (1H NMR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). Then MCS/MSF micro/nanocomposite hydrogels were prepared by the photocrosslinking of MCS and MSF micro/nanoparticles in aqueous solutions in the presence of the photoinitiator Darocur 2959 under UV light irradiation. A series of properties of the MCS/MSF micro/nanocomposite hydrogels including rheological property, equilibrium swelling, sol content, compressive modulus, and morphology were examined. The results showed that these behaviors could be tunable via the control of MSF content. When the MSF content was 0.1%, the hydrogel had the compressive modulus of 0.32+/-0.07MPa, which was in the range of that of articular cartilage. The in vitro cytotoxic evaluation and cell culture of the micro/nanocomposite hydrogels in combination with mouse articular chondrocytes were also investigated. The results demonstrated that the micro/nanocomposite hydrogels with TGF-beta1 was biocompatible to mouse articular chondrocytes and could support cells attachment well, indicating their potential as tissue engineering scaffolds for cartilage repair. PMID- 29225175 TI - PgTeL, the lectin found in Punica granatum juice, is an antifungal agent against Candida albicans and Candida krusei. AB - The pomegranate (Punica granatum) sarcotesta contains a chitin-binding lectin (PgTeL) with antibacterial activity against human pathogenic species. In this work, the structural stability of PgTeL was evaluated by fluorimetric analysis and the lectin was evaluated for cytotoxicity to human peripheral blood mononuclear cells (PBMCs) and antifungal activity against Candida albicans and Candida krusei. PgTeL folding was impaired when lectin was incubated at pH>=6.0. On the other hand, the lectin did not undergo unfolding even when heated at 100 degrees C. PgTeL (1, 10, and 100MUg/mL) was not cytotoxic to PBMCs. Antifungal activity was detected for C. albicans (MIC: 25MUg/mL; MFC: 50MUg/mL) and C. krusei (MIC and MFC of 12.5MUg/mL). Treatment of yeast cells with PgTeL resulted in decrease of intracellular ATP content even at sub-inhibitory concentrations (1/2MIC and 1/4MIC) and induced lipid peroxidation. In addition, PgTeL damaged the integrity of fungal cell wall of both species, with more pronounced effects in C. krusei. The lectin showed significant antibiofilm activity on C. albicans at sub-inhibitory concentrations (0.195 and 0.39MUg/mL). In conclusion, PgTeL is an anti-Candida agent whose action mechanism involves oxidative stress, energetic collapse, damage to the cell wall and rupture of yeast cells. PMID- 29225176 TI - Synthesis of biaryls using palladium nanoparticles immobilized on metformine functionalized polystyrene resin as a reusable and efficient nanocatalyst. AB - This study includes the procedure performed for the Pd@PS-Met preparation as a novel polymeric nanocatalyst, in which to entrapped palladium nanoparticles (Pd NPs) without agglomeration, metformine groups are applied (as linkers). The obtained catalyst could be evaluated using transmission electron microscopy (TEM), wavelength-dispersive X-ray spectroscopy (WDX), scanning electron microscopy (SEM), X-ray powder diffraction (XRD), inductively coupled plasma (ICP), fourier transform infrared (FTIR), and Energy-dispersive X-ray spectroscopy (EDS). For Suzuki cross-coupling reaction, the catalyst showed an excellent catalytic stability and activity in water under ambient condition. Additionally, this novel entrapped palladium catalyst was recovered by an easy filtration and reapplied several times without considerable activity loss. PMID- 29225177 TI - Chitosan based hydrogel assisted spongelike calcium phosphate mineralization for in-vitro BSA release. AB - New chitosan-g- poly (3-sulfopropyl methacrylate), CHI-g-P(SPMA), hydrogel was prepared by free radical polymerization process and investigated as a template for biomimetic spongelike calcium phosphate mineralization in a solution mimicking physiological condition. Infrared spectroscopy, scanning electron microscopy, X-ray diffraction and transmission electron microscopy confirmed the predominant formation of rod-like hydroxyapatite. The swelling behavior of the nanocomposite was evaluated at different pHs and different saline concentrations. Bovine serum albumin (BSA), as a model protein drug, was loaded in the CHI-g P(SPMA)/calcium phosphate hybrid. The BSA release behavior was investigated and the results suggested CHI-g-P(SPMA)/calcium phosphate hybrid as controlled release carrier. These results suggest that next generation of polysaccharides based hybrid materials could be interesting for biomedical applications. PMID- 29225178 TI - Network formation of Moringa oleifera gum by radiation induced crosslinking: Evaluation of drug delivery, network parameters and biomedical properties. AB - The present article is an attempt to explore the potential of the Moringa oleifera gum polysaccharides in network formation with poly(acrylic acid) by radiation induced crosslinking to develop the hydrogel for slow drug delivery applications. Polymers were characterized by Cryo-SEM, AFM and 13C NMR techniques. Furthermore, drug delivery, network formation and some biomedical properties like blood compatibility, antioxidant activity, mucoadhesion and gel strength of the hydrogels were also determined. The release of ciprofloxacin occurred through non-Fickian diffusion mechanism and release profile best fitted in Korsmeyer-Peppas kinetic model. The hydrogels were found to be pH responsive, mucoadhesive non-thrombogenic, non-haemolytic, and antioxidant in nature. The crosslink density (rho) and the mesh size (xi) of the polymer network was observed 3.81*10-5mol/cm3 and 38.77nm respectively in pH 7.4 solution. PMID- 29225179 TI - Synthesis of novel benzodioxane midst piperazine moiety decorated chitosan silver nanoparticle against biohazard pathogens and as potential anti-inflammatory candidate: A molecular docking studies. AB - Nanoparticles (NPs) are currently being investigated along with the use of biodegradable polymer containing active agents in many areas of medicine for targeted applications. The present study was aimed to synthesize novel compound Benzodioxane midst piperazine (BP) and characterization of a BP decorated chitosan silver nanoparticles (BP*C@AgNPs) and shown effective against hazardous pathogens, and also having anti-inflammatory property. It was further evaluated for molecular docking proofs, and toxicity. The BP*C@AgNPs had spherical shape with size of 36.6nm with wide biocidal activity against hazardous Gram-positive and Gram-negative bacteria with excellent inhibition at 100MUg/mL for S. aureus (10.08+/-0.05mm ZOI), and E. coli (10.03+/-0.04mm ZOI) compared to antibiotic Streptomycin. The anti-inflammatory activity exhibited IC50 value of 71.61+/ 1.05MUg/mL for BP*C@AgNPs compared to indomethacin (IC50=40.15+/-1.21MUg/mL). Also, the docking study of BP showed excellent score for COX1 and DNA gyrase. This in silico study confirmed the achieved efficacy of BP, with less toxicity against normal PMBCs in vitro and in vivo studies. This study concludes that, the novel synthesized BP*C@AgNPs had excellent biocidal property and as anti inflammatory candidate revealed by docking studies, it confirms BP*C@AgNPs for first-class therapeutic applications in the area of medicinal nanotechnology for the coming days. PMID- 29225180 TI - Influence of drying of chara cellulose on length/length distribution of microfibrils after acid hydrolysis. AB - Chara is a genus of freshwater alga that is evolutionarily observed at the aquatic-terrestrial boundary, whose cellulose microfibrils are similar to those of terrestrial plants regarding the crystallinity and biosynthesis of cellulose. Oven-dried and never-dried celluloses samples were prepared from chara. Terrestrial plant cellulose samples were used as references. The lengths and length distributions of oven-dried and never-dried chara cellulose microfibrils after acid hydrolysis with or without pretreatment by 2,2,6,6 tetramethylpiperidine-1-oxyl (TEMPO)-mediated oxidation, which was used for efficient fibrillation of acid-hydrolyzed products, were observed by transmission electron microscopy. All terrestrial plant celluloses and oven-dried chara cellulose had short nanocrystal-like morphologies of 100-300 nm in length after acid hydrolysis. In contrast, the never-dried chara cellulose had much longer microfibrils of ~970 nm in length after acid hydrolysis. These results indicated that disordered regions present periodically along the cellulose microfibrils, which cause the formation of cellulose nanocrystals after acid hydrolysis, are not present in inherent chara cellulose microfibrils in water, but are formed artificially under drying or dehydration conditions. PMID- 29225181 TI - The effect of green synthesis silver nanoparticles (AgNPs) from Pulicaria undulata on the amyloid formation in alpha-lactalbumin and the chaperon action of alpha-casein. AB - The formation and deposition of protein fibrillar aggregates in the tissues is associated with several neurodegenerative diseases such as Alzheimer's and Parkinson's disease. Molecular chaperones are a family of proteins that are believed to have the ability to inhibit protein aggregation. The present study examines the effect of different concentrations of green synthesis silver nanoparticles (AgNPs) from Pulicaria undulata L. on the aggregation of alpha lactalbumin (alpha-LA) and the chaperone action of alphas-casein. The effects of the AgNPs were determined by measuring light scattering absorption, fluorescence (ThT assay, intrinsic fluorescence assay and ANS binding assay), TEM, CD spectroscopy and SDS-PAGE. The results showed that AgNPs have the ability to prevent the aggregation of alpha-LA in a concentration-dependent manner. In fact, by increasing the concentration of AgNPs within a specified range, the adsorption and interaction between AgNPs and protein have increased and protein conformational changes and self-association decreased, thus amyloid aggregation is prevented. Our results also showed that alpha-casein effectively prevented the aggregation of the alpha-lactalbumin which increased in the presence of the AgNPs. Standard experimental results, however, proved that nanoparticles had no effect on the structure and hence the chaperone ability of alpha-casein. Our findings showed that AgNPs can prevent protein aggregation and have no effect on the chaperone ability of alphas-casein. In the main, results of this study show that biosynthesized AgNPs mediated by Pulicaria undulata L. has the capability in inhibiting amyloid fibril formation and thus could be consider as a therapeutic agent in the treatment of amyloidosis disorders. PMID- 29225182 TI - Hydrophobization of cashew gum by acetylation mechanism and amphotericin B encapsulation. AB - Cashew gum (GC) is a polysaccharide whose structural modification has the potential to extend its applications on varied fields such as to the formation of self-organized nanoparticulated systems. In this work, a 23 factorial design was carried out, aiming at evaluation of the influence of the reactional parameters of an acetylation reaction on the final properties of cashew gum. The effects of temperature, reaction time and amount of acetylating agent on the reaction yield and degree of GC acetylation were investigated. Data obtained revealed that the aforementioned parameters influenced both yield and degree of acetylation. Statistical analysis showed that the different derivatives had their variables influenced mainly by temperature and interaction effect between the factors time and quantity of acetylating agent. Acetylated derivatives were obtained with yield higher than 90% and degrees of acetylation above 2.42. Data on the formation of self-organized systems, revealed particle sizes in the range 190 300nm, where smaller particle sizes were obtained for derivatives with acetylation degrees lower than 1.5. Release profiles of Amphotericin-B incorporated in derivative nanoparticles, yielded 70% encapsulation efficiency and long release profiles, corroborating their potential application to delivery of hydrophobic active principles. PMID- 29225183 TI - Ca2+ mediates axotomy-induced necrosis and apoptosis of satellite glial cells remote from the transection site in the isolated crayfish mechanoreceptor. AB - Severe nerve injury such as axotomy induces neuron degeneration and death of surrounding glial cells. Using a crayfish stretch receptor that consists of a single mechanoreceptor neuron enveloped by satellite glia, we showed that axotomy not only mechanically injures glial cells at the transection location, but also induces necrosis or apoptosis of satellite glial cells remote from the transection site. We studied Ca2+role in spontaneous or axotomy-induced death of remote glial cells. Stretch receptors were isolated using the original technique that kept the neuron connected to the ventral cord ganglion (control preparations). Using Ca2+-sensitive fluorescence probe fluo-4, we showed Ca2+ accumulation in neuronal perikarion and glial envelope. Ca2+ gradually accumulated in glial cells after axotomy. In saline with triple Ca2+ concentration the axotomy-induced apoptosis of glial cells increased, but spontaneous or axotomy-induced necrosis was unexpectedly reduced. Saline with 1/3[Ca2+], oppositely, enhanced glial necrosis. Application of ionomycin, CdCl2, thapsigargin, and ryanodine showed the involvement of Ca2+ influx through ionic channels in the plasma membrane, inhibition of endoplasmic reticulum Ca2+-ATPase, and Ca2+ release from endoplasmic reticulum through ryanodine receptors in axotomy-induced glial necrosis. Apoptosis of glial cells surrounding axotomized neurons was promoted by ionomycin and thapsigargin. Possibly, other Ca2+ sources such as penetration through the plasma membrane contributed to axotomy-induced apoptosis and necrosis of remote glial cells. Thus, modulating different pathways that maintain calcium homeostasis, one can modulate axotomy-induced death of glial cells remote from the transection site. PMID- 29225184 TI - Control of polarization and tumoricidal activity of macrophages by multicellular spheroid formation. AB - Immune cell-based therapy is a promising approach for cancer immunotherapy. Macrophages can be used for this purpose if their tumoricidal activity and viability are properly controlled. In the present study, we aimed to enhance these properties of macrophages by constructing uniformly sized multicellular spheroids. Mouse macrophage-like J774.1 cells were selected as model macrophages, and poly(N-isopropylacrylamide)-coated polydimethylsiloxane-based microwell plates with an approximate diameter of 750MUm were used to prepare J774.1 spheroids. J774.1 spheroids were successfully generated, and the viability of cells in the spheroids was over 95%. J774.1 spheroids showed higher mRNA expression of induced nitric oxide synthase, a marker of M1-type activated macrophages, than monolayered J774.1 cells. The production of reactive oxygen species was also high in J774.1 spheroids, suggesting the existence of hypoxic regions in the spheroids. J774.1 spheroids released more tumor necrosis factor alpha than monolayered cells upon stimulation with lipopolysaccharide. Moreover, J774.1 spheroids in the upper compartment of the Transwell system more efficiently inhibited the proliferation of mouse adenocarcinoma colon 26 cells in its lower compartment than monolayered J774.1 cells did. These results indicate that spheroid formation can be used to increase the tumoricidal activity of macrophages for use in cell-based cancer immunotherapy. PMID- 29225185 TI - Reactive oxygen species metabolism and plant-fungal interactions. AB - Fungal interactions with plants can involve specific morphogenetic developments to access host cells, the suppression of plant defenses, and the establishment of a feeding lifestyle that nourishes the colonizer often-but not always-at the expense of the host. Reactive oxygen species (ROS) metabolism is central to the infection process, and the stage-specific production and/or neutralization of ROS is critical to the success of the colonization process. ROS metabolism during infection is dynamic-sometimes seemingly contradictory-and involves endogenous and exogenous sources. Yet, intriguingly, molecular decision-making involved in the spatio-temporal control of ROS metabolism is largely unknown. When also considering that ROS demands are similar between pathogenic and beneficial fungal plant interactions despite the different outcomes, the intention of our review is to synthesize what is known about ROS metabolism and highlight knowledge gaps that could be hindering the discovery of novel means to mediate beneficial plant microbe interactions at the expense of harmful plant-microbe interactions. PMID- 29225186 TI - Hinokitiol inhibits compound action potentials in the frog sciatic nerve. AB - Hinokitiol (beta-thujaplicin) is a natural tropolone derivative contained in Chamaecyparis taiwanensis that has various actions including anti-inflammatory activities. Various plant-derived compounds inhibit compound action potentials (CAPs) in a manner dependent on the chemical structure of the compounds; however, the effects of hinokitiol on nerve conduction have not been examined. To determine whether hinokitiol inhibits CAPs and, if so, the chemical structure of hinokitiol that is important in this inhibition, we examined the effects of hinokitiol and its related compounds on fast-conducting CAPs using the frog sciatic nerve and the air-gap method. Hinokitiol concentration-dependently reduced the peak amplitude of CAPs with a half-maximal inhibitory concentration (IC50) value of 0.54mM. A stereoisomer of hinokitiol, gamma-thujaplicin, also inhibited CAPs. Although hinokitiol has hydroxyl, carbonyl and isopropyl groups, all of which are bound to its seven-membered ring, tropolone, which lacks the isopropyl group, had no effects on CAPs. Moreover, CAPs were unaffected by kojic acid, which lacks an isopropyl group, and also by guaiazulene, which has an isopropyl group but not carbonyl or hydroxyl groups. Biosol and 4 isopropylphenol, which have isopropyl and hydroxyl groups bound to their six membered ring, reduced CAP peak amplitudes. This 4-isopropylphenol's activity was more effective than 4-isopropylcyclohexanol and phenol, and less effective than 4 tert-butylphenol and 4-tert-amylphenol; isopropylbenzene had no effects on CAPs. These results indicate that hinokitiol inhibits frog CAPs, possibly through interaction involving its isopropyl, carbonyl and hydroxyl groups. Hinokitiol, therefore, has an ability to inhibit nerve conduction, which contributes partly to the pharmacological actions of hinokitiol. PMID- 29225187 TI - Prostaglandin D2 generation from human lung mast cells is catalysed exclusively by cyclooxygenase-1. AB - Mast cells are an exceptionally rich source of prostaglandin D2 (PGD2). PGD2 is pro-inflammatory and can cause bronchoconstriction. The enzyme cyclooxygenase (COX) is central to the generation of prostanoids such as PGD2. Non-steroidal anti-inflammatory drugs (NSAIDs) inhibit COX. COX exists as two isoforms, COX-1 and COX-2. The principal aim of this study was to establish whether COX-1 and/or COX-2 mediates PGD2 generation from human lung mast cells. Mast cells were isolated from human lung tissue and purified by flotation over Percoll and immunomagnetic bead separations. The cells were activated with anti-IgE or Stem Cell Factor (SCF). The generation of PGD2 was determined by ELISA. The effects of NSAIDs (aspirin, ibuprofen, diclofenac, naproxen, indomethacin), COX-1 selective (FR122047), and COX-2 selective (celecoxib) inhibitors on PGD2 generation were determined. The expression of COX-1 and COX-2 in mast cells was determined by Western blotting. All the NSAIDs tested abrogated stimulated PGD2 generation from mast cells except aspirin which was only weakly effective. FR122047 was an effective inhibitor of PGD2 generation (EC50 ~25nM) from mast cells whereas celecoxib was ineffective. Immunoblotting indicated that COX-1 was strongly expressed in all mast cell preparations while COX-2 expression was weak. No induction of COX-2 was observed following activation of mast cells. These findings indicate that COX-1 is the principal isoform involved in generating PGD2 from human lung mast cells. These studies provide insight into the potential behaviour of NSAIDs in the context of respiratory diseases. PMID- 29225188 TI - Rosuvastatin improves myocardial hypertrophy after hemodynamic pressure overload via regulating the crosstalk of Nrf2/ARE and TGF-beta/ smads pathways in rat heart. AB - Left ventricular hypertrophy is more commonly associated with hemodynamic overload imposed by hypertension or volume overload. Transforming growth factor beta (TGF-beta) is involved in the cardiac hypertrophy and fibrosis of the left ventricle. The fact that TGF-beta1 and the nuclear factor erythroid 2-related factor 2 (Nrf2) both become up-regulated upon persistent vessel overload suggests that these two factors may virtually impact on their signaling pathways. In this research, 40 rats were divided into sham group, model group, rosuvastatin low and high dose group. Rat models were established by incomplete constriction of abdominal aorta. After five weeks treatment, blood pressure, heart mass index (HMI), hemodynamic parameters and the average diameter of myocardium cell and collagen volume fraction (CVF) improved significantly in rosuvastatin groups, compared with the model group. Both rosuvastatin groups, increased in expression of Smad7, Nrf2, NAD (P) H dehydrogenase [quinone] 1 (Nqo1) and heme oxygenase 1(Ho1),and decreased in expression of TGF-betal,Smad3 compared with the model group. Results from co-immunoprecipitation and GST pull down showed that Nrf2 interacts with Smad7. Our results revealed the crosstalk between TGF-beta1/Smads and Nrf2/ antioxidant response elements (ARE) pathways in myocardial remodeling through the interaction between Smad7 and Nrf2. Rosuvastatin can improve cardiac function and hypertrophy by regulating the crosstalk of the two signaling pathways. PMID- 29225189 TI - Luteolin attenuates airway inflammation by inducing the transition of CD4+CD25- to CD4+CD25+ regulatory T cells. AB - Regulatory T cells play an important role in autoimmunity and have been shown to exert anti-inflammatory effects in allergic asthma. Mouse model of airway inflammation was used to examine the suppressive activity of luteolin-induced CD4+CD25+ regulatory T cells (Tregs) in vivo. In this study, BALB/c mice were sensitized with ovalbumin antigen (OVA) by aerosol challenge. Then, various biological processes were examined, including airway eosinophilia; mucus hypersecretion; elevation of OVA-specific IgE, expression of Th2 cytokines and chemokine levels; expression of eotaxin 2 and CCR3; and airway hyper responsiveness (AHR). Luteolin significantly inhibited OVA-induced increase in immune cell and eosinophil counts as well as IL-4, IL-5, IL-13, and eotaxin levels in bronchoalveolar lavage fluid (BAL Fluid). Luteolin and cyclosporine A (CsA) which was a positive control also substantially reduced OVA-specific IgE levels, eotaxin 2 levels, and CCR3 expression in BAL Fluid. In contrast, luteolin significantly increased IL-10 and IFN-gamma protein levels, as well as IL-10 and TGF-beta1 mRNA expression in the lung. In vitro studies showed that the number of luteolin-induced CD4+CD25+ Treg (iTreg) cells was higher, with elevated levels of TGF-beta1 and foxp3 mRNA expression in lungs tissue. Transfer of iTreg cells into OVA-sensitized mice reduced AHR, eosinophil recruitment, eotaxin, IgE, and Th2 cytokine expressions, and increased IFN-gamma production in BAL Fluid after allergen challenge. Furthermore, adoptive transfer of iTreg cells prevented disease in a CD25-depleted mouse asthma model. Luteolin via induction of foxp3 and CD4+CD25+ Treg cells may represent a new strategy in the development of therapies for managing asthma. PMID- 29225190 TI - Scopolamine-induced passive avoidance memory retrieval deficit is accompanied with hippocampal MMP2, MMP-9 and MAPKs alteration. AB - Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive loss of memory and cognitive deficit. The observed amnesia in the early stages of AD is suggested to be a retrieval problem, rather than encoding and consolidation deficit. According to the cholinergic hypothesis of AD, scopolamine is used to induce an animal model of amnesia. Howbeit the effect of scopolamine on memory retrieval is contradictory. This study aimed to assess the effect of scopolamine on passive avoidance memory retrieval. Additionally according to the reported changes of MMP-2, MMP-9 and MAPKs (ERK, P38 and JNK) in AD pathology the hippocampal contents of these proteins were determined. Male NMRI mice weighing 20-25g were trained in passive avoidance apparatus. The drug or its vehicle was injected 24h after training (30min before retention test). The hippocampal tissue was isolated and western blot analysis was done for MMP-2, MMP 9 and MAPKs (ERK, P38 and JNK). The results indicated that scopolamine (1mg/kg) disrupts passive avoidance memory retrieval. This scopolamine treatment resulted in hippocampal MMP-2 and MMP-9 decline while increased MAPKs in the hippocampus. These results suggest that cholinergic system has an important role in learnt memory retrieval. It might also suggest the positive role of MMP-2 and MMP-9 in this phase of memory while propose that MAPKs affect negatively the reactivation of memory which is compatible with MAPKs activation in AD. PMID- 29225191 TI - The comprehensive electrophysiological study of curcuminoids on delayed-rectifier K+ currents in insulin-secreting cells. AB - Curcumin (CUR) has been demonstrated to induce insulin release from pancreatic beta-cells; however, how curcuminoids (including demethoxycurcumin (DMC) and bisdemethoxycurcumin (BDMC)) exert any possible effects on membrane ion currents inherently in insulin-secreting cells remains largely unclear. The effects of CUR and other structurally similar curcuminoids on ion currents in rat insulin secreting (INS-1) insulinoma cells were therefore investigated in this study. The effects of these compounds on ionic currents and membrane potential were studied by patch-clamp technique. CUR suppressed the amplitude of delayed-rectifier K+ current (IK(DR)) in a time-, state- and concentration-dependent manner in these cells and the inhibition was not reversed by diazoxide, nicorandil or chlorotoxin. The value of dissociation constant for CUR-induced suppression of IK(DR) in INS-1 cells was 1.26MUM. Despite the inability of CUR to alter the activation rate of IK(DR), it accelerated current inactivation elicited by membrane depolarization. Increasing CUR concentrations shifted the inactivation curve of IK(DR) to hyperpolarized potential and slowed the recovery of IK(DR) inactivation. CUR, DMC, and BDMC all exerted depressant actions on IK(DR) amplitude to a similar magnitude, although DMC and BDMC did not increase current inactivation clearly. CUR slightly suppressed the peak amplitude of voltage-gated Na+ current. CUR, DMC and BDMC depolarized the resting potential and increased firing frequency of action potentials. The CUR-mediated decrease of IK(DR) and the increase of current inactivation also occurred in betaTC-6 INS-1 cells. Taken these results together, these effects may be one of the possible mechanisms contributing their insulin-releasing effect. PMID- 29225192 TI - Effects of the new psychoactive substances diclofensine, diphenidine, and methoxphenidine on monoaminergic systems. AB - Diclofensine, diphenidine, and methoxphenidine are new psychoactive substances (NPSs) that recently appeared on the illicit drug market. Pharmacological profiling of such newly emerged drugs is crucial for a better understanding of their psychotropic effects and toxicity. We therefore investigated the potential of these NPSs to inhibit the norepinephrine, dopamine, and serotonin transporters in human embryonic kidney cells stably transfected with the respective transporters. In addition, we determined monoamine transporter and receptor affinities for the substances. Diclofensine potently bound to the monoamine transporters in the submicromolar range and had similar inhibition potential for all three transporters in the range of 2.5-4.8MUM. Moreover, diclofensine bound to adrenergic, dopamine, serotonin, and trace amine-associated receptors. Diphenidine was an equipotent inhibitor of the norepinephrine and dopamine transporters in the low micromolar range and a very weak inhibitor of the serotonin transporter. Besides binding to transporters, diphenidine bound to adrenergic alpha1A and alpha2A receptors and serotonin 5-hydroxytryptamine 1A (5 HT1A) and 5-HT2A receptors in the range of 4-11MUM. Methoxphenidine bound to all transporters, but considerable inhibition (IC50 < 10MUM) was observed only for the norepinephrine transporter. Moreover, methoxphenidine bound to adrenergic alpha2A and serotonin 5-HT2A and 5-HT2C receptors in the range of 2.5-8.2MUM. None of the test drugs mediated substrate-type efflux of monoamines. These data demonstrate that the monoamine transporter inhibition and receptor interactions most likely mediate the psychoactive effects of diclofensine and possibly play a contributory role for diphenidine and methoxphenidine. PMID- 29225194 TI - 57R2A, a newly established monoclonal antibody against mouse GPR56, marks long term repopulating hematopoietic stem cells. AB - GPR56 molecule, a G-protein-coupled receptor, was suggested to be expressed in mouse hematopoietic stem cells (HSCs) by gene expression analyses. However, little is known about the cell surface expression of GPR56 protein in mouse HSCs due to the absence of an appropriate monoclonal antibody against GPR56 for flow cytometry analyses. In the present study, we established a novel monoclonal antibody against mouse GPR56 (57R2A) to examine the expression and distribution of GPR56 protein in HSCs. A flow cytometry analysis using 57R2A showed that GPR56 was highly expressed in the CD34-, c-Kit+, Sca-1+, lineage-negative (Lin-) fraction, which are highly enriched with HSCs. The competitive long-term repopulation (LTR) assay showed that LTR cells were included only within the GPR56+ fraction (<=15%) of bone marrow mononuclear cells (BMMNCs), but not within the remaining GPR56- fraction (85%), suggesting that all HSCs express GPR56 protein on their surface. Furthermore, we showed that double staining of BMMNCs with only 57R2A and AMM2 (monoclonal antibody against the HSC marker MPL) enabled enrichment of all LTR cells in the double-positive fraction (0.8% of BMMNCs), within which the LTR potency was consistent with the expression of both GPR56 and MPL. In conclusion, these findings for 57R2A suggest that all HSCs in mouse BMMNCs express GPR56 protein on their surface and that GPR56 is a positive marker for HSCs. PMID- 29225193 TI - Synthesis and in vitro characterization of a P2X7 radioligand [123I]TZ6019 and its response to neuroinflammation in a mouse model of Alzheimer disease. AB - The purinergic receptor P2X ligand-gated ion channel 7 (P2X7 receptor) is a promising imaging target to detect neuroinflammation. Herein, we report development of a potent iodinated radiotracer for P2X7 receptor, [123I]TZ6019. The radiosynthesis of [123I]TZ6019 was accomplished by allylic-tin precursor iodination using [123I]NaI with good radiochemical yield of 85% and high radiochemical purity of > 99%. Human embryonic kidney 293 (HEK-293) cell line stably transfected with the human P2X7 receptor was used to characterize the binding affinity of TZ6019 by fluorescence, radioactive competitive, and saturation binding assays. A radioligand competitive binding assay with [123I]TZ6019 demonstrated that the nonradioactive compound TZ6019 has an IC50 value of 9.49 +/- 1.4nM, and the known P2X7 receptor compound GSK1482160 has an IC50 value of 4.30 +/- 0.86nM, consistent with previous reports. The radioligand saturation binding assay and competitive assay revealed that [123I]TZ6019 specifically bound to the human P2X7 receptor with high affinity (Ki = 6.3 +/- 0.9nM). In vitro autoradiography quantification with brain slices collected from 9-month old P301S tau transgenic mice along with wild type controls, revealed higher binding of [123I]TZ6019 (35% increase) in the brain of P301S transgenic mice (n = 3, p = 0.04) compared to wild type controls. The immunofluorescence microscopy confirmed that expression of P2X7 receptor was colocalized with astrocytes in the tauopathy P301S transgenic mice. [123I]TZ6019 has specific binding for P2X7 receptor and has great potential to be a radiotracer for screening new compounds and quantifying expression of P2X7 receptor in neuroinflammation related diseases. PMID- 29225195 TI - Strengthening integration of clinical and public health systems to prevent maternal-child obesity in the First 1,000Days: A Collective Impact approach. AB - INTRODUCTION: Obesity interventions may be most effective if they begin in the earliest stages of life, support changes across family, clinical, and public health systems, and address socio-contextual factors. METHODS: The First 1000Days is a systematic program starting in early pregnancy lasting through the first 24months of infancy to prevent obesity among low-income mother-infant pairs in three community health centers in Massachusetts. The program uses a Collective Impact approach to create the infrastructure for sustained, system-wide changes for obesity prevention across early life clinical and public health services, including Obstetrics, Pediatrics, Adult Medicine, Behavioral Health, Nutrition, Community Health, the Women, Infants and Children (WIC) program, and the Maternal, Infant and Childhood Home Visiting program. Program components include 1) staff and provider training; 2) enhanced gestational weight gain and infant overweight tracking; 3) universal screening of adverse health behaviors and socio contextual factors; 4) universal patient navigation to support individual behavior change and social needs, while strengthening integration of clinical and public health services; 5) individualized health coaching for mother-infant pairs at high risk of obesity; and 6) educational materials to support behavior change. RESULTS: A quasi-experimental evaluation design will examine changes, between 2015 and 2019, in gestational weight gain and prevalence of infant overweight from 0 to 24months of age. CONCLUSIONS: The First 1000Days program will examine the effectiveness of an early life obesity prevention program for mother-infant pairs. If successful, the program could provide a model for chronic disease prevention and health promotion among vulnerable families starting in early life. PMID- 29225196 TI - In the Neighborhood of 18 Million: Estimating How Many People Live Near Oil and Gas Wells. PMID- 29225197 TI - Percutaneous transgastrostomic interventional radiology-operated endoscopy facilitates foreign body removal using rigid endobronchial forceps. AB - Retained foreign bodies within the stomach and proximal small bowel may be problematic in patients with prior cerebrovascular injury or head, neck and esophageal malignancy, given the increased vulnerability of this patient population to complications from aspiration and increased difficulty of esophagogastroduodenoscopy in cases of tumoral obstruction. This article presents an alternative method for foreign body retrieval through an existing gastrostomy tract, which offers the benefits of fast procedure times, reduction in radiation dose and fluoroscopy time, and allows for safer retrieval of foreign bodies by using direct visualization. This technique may be performed entirely by interventional radiologists. PMID- 29225198 TI - Perspective in optimization of stem cell therapies for heart regeneration. AB - There is a variety of mechanisms(s) factor(s) that may influence stem cell therapies for heart regeneration. Among the best candidates for stem cell source are: mesenchymal stem cells (also those isolated from adipose tissue), cardiac cell progenitors (CPC) and descendants of iPSC cells. iPSC/s can be potentially beneficial although their pluripotent induction has been still in question due to: low propagation efficacy, danger of genomic integration/instability, biological risk of current vector system teratoma formation etc. which have been discussed in this review. Optimization protocols are required in order to enhance stem cells resistance to pathological conditions that they may encounter in pathological organ and to increase their retention. Combination between gene transfer and stem cell therapy is now more often used in pre-clinical studies with the prospect of subsequent clinical trials. Complementary substances have been contemplated to support stem cell viability (mainly anti-inflammatory and anti- apoptotic agents), which have been tested in animal models with promising results. Integration of nanotechnology both for efficient stem cell imaging as well as with the aim to provide cell supporting scaffolds seem to be inevitable for further development of cellular therapies. The whole organ (heart) reconstruction as well as biodegradable scaffolds and scaffold-free cell sheets have been also outlined. PMID- 29225199 TI - Structure of bacterial chromosome: An analysis of DNA-protein interactions in vivo. AB - According to recent reports, bacterial chromosomes exhibit a hierarchical organization. The number of proteins that bind DNA are responsible for local and global organization of the DNA ensuring proper chromosome compaction. Advanced molecular biology techniques combined with high-throughput DNA sequencing methods allow a precise analysis of bacterial chromosome structures on a local and global scale. Methods such as in vivo footprinting and ChIP-seq allow to map binding sites of analyzed proteins in certain chromosomal regions or along the whole chromosome while analysis of the spatial interactions on global scale could be performed by 3C techniques. Additional insight into complex structures created by chromosome-organizing proteins is provided by high-resolution fluorescence microscopy techniques. PMID- 29225200 TI - SUMO proteases as potential targets for cancer therapy. AB - Sumoylation is one of the post-translational modifications of proteins, responsible for the regulation of many cellular processes, such as DNA replication and repair, transcription, signal transduction and nuclear transport. During sumoylation, SUMO proteins are covalently attached to the epsilon-amino group of lysine in target proteins via an enzymatic cascade that requires the sequential action of E1, E2 and E3 enzymes. An important aspect of sumoylation is its reversibility, which involves SUMO-specific proteases called SENPs. SENPs (sentrin/SUMO-specific proteases) catalyze the deconjugation of SUMO proteins using their isopeptidase activity. These enzymes participate through hydrolase activity in the reaction of SUMO protein maturation, which involves the removal of a short fragment on the C-terminus of SUMO inactive form and exposure two glycine residues. SENPs are important for maintaining the balance between sumoylated and desumoylated proteins required for normal cellular physiology. Six SENP isoforms (SENP1, SENP2, SENP3, SENP5, SENP6 and SENP7) have been identified in mammals. These SENPs can be divided into three subfamilies based on their sequence homology, substrate specificity and subcellular localization. Results of studies indicate the role of SUMO proteases in the development of human diseases including cancer, suggesting that these proteins may be attractive targets for new drugs. PMID- 29225201 TI - 3-Bromopyruvate as a potential pharmaceutical in the light of experimental data. AB - 3-Bromopyruvate (3-BrPA) is an halogenated analogue of pyruvic acid known for over four decades as an alkylating agent reacting with thiol groups of many proteins. It enters animal cells like a lactate: via monocarboxylic acid transporters. Increasing interest in this compound, in recent times, is mainly due to hopes associated with its anticancer action. It is based on the impairment of energy metabolism of tumor cells by inhibiting enzymes in the glycolysis pathway (hexokinase II, glyceraldehyde 3-phosphate dehydrogenase, phosphoglycerate kinase) and the oxidative phosphorylation (succinate dehydrogenase). Two cases of clinical application of this compound in the treatment of advanced cancers were reported. By using 3-BrPA, rheumatoid arthritis in SKG mice has been reduced. This compound has also antiparasitic activity: lowers cell viability of Trypanosoma brucei, decreases intracellular proliferation of Toxoplasma gondii and reduces the metabolic activity of Schistosoma mansoni. It also has antifungal properties; particularly it acts strongly on Cryptococcus neoformans, as well as Saccharomyces cerevisiae. An inhibitory effect on bacterial enzymes was also described on: isocitrate lyase from Escherichia coli, Mycobacterium tuberculosis, Pseudomonas indigofera and 2 methylisocitrate lyase, succinate dehydrogenase and acetohydroxylic acid synthase from Escherichia coli. Wherever undesirable (cancer, parasitic) cells differ from normal by more intense glycolysis and higher energy needs, there is a good chance of successful 3-BrPA use. However, this compound acts on all cells and it, therefore, seems that its future as a pharmaceutical is dependent upon the development of appropriate methods for its effective and safe application. PMID- 29225202 TI - Epigenetic modifications: An important mechanism in diabetic disturbances. AB - In the search for explanations of diabetes pathomechanisms, especially the development of its vascular complications (micro- and macrovascular ), although current, good metabolic control of diabetes, attention was drawn to the role of epigenetic inheritance associated with epigenetic modifications of histone proteins and DNA in hyperglycemia conditions. This study showed the significant role of DNA methylation and histone epigenetic modifications (a different nature and a different degree) in the transmission of information that is not connected with gene inheritance but concerns the persistent changes induced by hyperglycemia..Attention was paid to the role of DNA methylation of pancreatic cells in the pathogenesis of type 1 diabetes, but also type 2. The important role of DNA methylation changes in a so-called intrauterine growth restriction (IUGR) as reason of subsequent development of diabetes was particularly emphasized. In the pathogenesis of type 2 diabetes and its complications, especially microvascular complications, the greatest share and importance of epigenetic modifications on mitochondrial DNA metylation are the most important. The multidirectionality Complicaand complexity of epigenetic modifications of histone proteins indicate their importance in the development of diabetic disturbances. An especially important role is attributed to methylation and acetylation of histone proteins, in particular on arginine and lysine, whose changes occur most frequently. Moreover, epigenetic modifications of the enzymes, especially methylases, responsible for these processes are the underlying. It has been indicated that the identification of epigenetic differences within the DNA or histone proteins may be a useful prognostic biomarker of susceptibility to the disease development in the future. Moreover, they may become a potential target for future therapeutic interventions for clinical disorders in diabetes. PMID- 29225203 TI - Stigmatization in dermatology with a special focus on psoriatic patients. AB - A stigma is currently defined as a discrediting mark, biological or social, that sets a person off from others and disrupts interactions with them. People who differ from social norms in some respect are often negatively labeled. A number of medical conditions are recognized at present as stigmatizing their sufferers and certain skin diseases are among them. The article aimed to analyze the current understanding about stigmatization among dermatological patients, especially those with psoriasis. We performed our search on PubMed up to November 2016 and utilized combinations of key phrases containing such words as stigmatization, skin, dermatology, names of various skin conditions (psoriasis, vitiligo, acne, etc.). Following a precise selection process, 58 articles remained. Stigmatization seems to be a common and important problem in dermatology. Psoriasis appears as the most frequently studied skin disease (37.2% of articles). It was followed by vitiligo (13.7%) and leprosy (8.6%). Mainly, the visibility of skin lesions as well as cultural factors contribute to the feeling of stigmatization. There is a need for more research in the field of stigmatization in dermatological conditions and an urgent need for the creation of special anti-stigmatization program/programs for patients suffering from dermatoses. PMID- 29225204 TI - New theories of relativistic hydrodynamics in the LHC era. AB - The success of relativistic hydrodynamics as an essential part of the phenomenological description of heavy-ion collisions at RHIC and the LHC has motivated a significant body of theoretical work concerning its fundamental aspects. Our review presents these developments from the perspective of the underlying microscopic physics, using the language of quantum field theory, relativistic kinetic theory, and holography. We discuss the gradient expansion, the phenomenon of hydrodynamization, as well as several models of hydrodynamic evolution equations, highlighting the interplay between collective long-lived and transient modes in relativistic matter. Our aim to provide a unified presentation of this vast subject-which is naturally expressed in diverse mathematical languages-has also led us to include several new results on the large-order behaviour of the hydrodynamic gradient expansion. PMID- 29225205 TI - Effect of Di-(2-ethylhexyl) phthalate on the hypothalamus-pituitary-thyroid axis in adolescent rat. AB - Di-(2-ethylhexyl) phthalate (DEHP) is extensively used in many personal care and consumer products, which has resulted in widespread human exposure. Limited studies have suggested that exposure to DEHP may affect thyroid function, but little is known about the effect and mechanisms of DEHP exposure on the hypothalamic-pituitary-thyroid axis (HPTA). The present study was conducted to elucidate the potential mechanisms in which DEHP disrupts the function of the HPTA. Wistar rats were administered DEHP by gavage at 0, 5, 50, and 500 mg/kg/day for 28 days and then sacrificed within 24 h following the last dose. Hormones of HPTA was quantified with radioimmunoassay and enzyme-linked immunosorbent assay, protein levels of thyrotropin-releasing hormone receptor (TRHR) and thyroid stimulating hormone receptor (TSHR) were analyzed by Western blot and immunohistochemistry, expression levels of TRHR and TSHR mRNA were measured by quantitative real-time PCR. Rats treated with DEHP resulted in increased bodyweight, on the HPTA, down-regulated the protein levels of TRH in the hypothalamus, up-regulated the protein and mRNA levels of TRHR in the pituitary, down-regulated mRNA expression of TSHR in the thyroid, while the difference of TSH in various dose groups was not statistically significant and T3, T4, FT3, FT4 levels in serum were decreased compared with control. DEHP could interfere with the balance of HPTA of adolescent rats, and increase the body weight, down regulate the homeostasis of thyroid related hormones and receptors expression levels. PMID- 29225206 TI - Prevalence of central fatness in 1992-1994: 40% of Japanese boys 6-17 years. AB - Obesity in children is a serious public health problem in Japan. However, the prevalence of central fatness has not been well determined in Japanese youth. We studied the relationship between body mass index (BMI) and waist circumference (WC) using line of equality analysis in 5,787 boys and 4,639 girls aged 6 to 17 years who participated in the 1992-1994 national survey on body sizes. WC was measured at the level of maximum waist narrowing in girls (WC1) and at the level of the top of iliac crest in boys (WC2). Using the 1978-1981 national survey data as baseline reference, excess fatness was defined as measurements exceeding the 90th centile in WC or in BMI. Among boys, 2,466 (42.6%) had WC2 >90th centile and 1,029 (17.8%) BMI >90th centile; whereas among girls, 895 (19.3%) had WC1 >90th centile and 673 (14.5%) BMI >90th centile. WC2-standard deviation scores (SDS) exceeded BMI-SDS in 5,060 (87.4%) boys and WC1-SDS exceeded BMI-SDS in 3,168 (68.3%) girls, respectively. Our results suggested a much higher prevalence of central fatness than generally recognized for Japanese children and adolescents, in particular, in Japanese boys. PMID- 29225207 TI - Parathyroid carcinoma occurred in two glands in multiple endocrine neoplasia 1: a report on a rare case. AB - Primary hyperparathyroidism is the most common hormonal manifestation associated with multiple endocrine neoplasia 1 (MEN1). It is generally caused by parathyroid hyperplasia, and parathyroid carcinoma is rare. Here, we report a case of MEN1 with parathyroid carcinoma in two parathyroid glands causing primary hyperparathyroidism. A 40-year-old man with primary hyperparathyroidism due to MEN1 underwent a total parathyroidectomy. His corrected calcium and intact PTH (i PTH) serum levels were 10.8 mg/dL and 203 pg/mL, respectively. Although three glands were successfully removed, the left upper parathyroid gland could not be detected. Since the right lower parathyroid lesion had invaded into the thyroid, right lobectomy was performed. A portion of the left lower parathyroid tissue was transplanted into his forearm. The histological findings of the left lower and the right upper parathyroid glands were consistent with hyperplasia while that of the right lower parathyroid gland was parathyroid carcinoma. Since the post surgical i-PTH levels remained high, the intrathyroidal lesion of the left lobe, which was initally diagnosed as an adenomatous nodule, was suspected to contain parathyroid tumor. A fine needle aspiration of the tumor revealed a high concentration of i-PTH. One week after the first surgery, a left thyroid lobectomy was performed. The pathological diagnosis of the tumor was parathyroid carcinoma. After the surgery, calcium and i-PTH levels were normal. Although it is rare, parathyroid carcinoma should be considered as a cause of hyperparathyroidism in MEN1 patients. Since it is difficult to diagnose parathyroid carcinoma before surgery, intraoperative findings are important for the appropriate treatment. PMID- 29225208 TI - Dietary Calcium and Serum 25OHD Protect Chinese Women from Type 2 Diabetes. AB - The Chinese dietary structure is different from Western and Mediterranean diets. This study aimed to assess the association of dietary calcium, serum 25 hydroxyvitamin D (25OHD), and other macronutrients with type 2 diabetes (T2D) in Chinese patients. This case-control study enrolled 605 patients (males, 337; females, 268) with T2D and 724 healthy subjects (males, 405; females, 319) at Sir Run Run Shaw Hospital from February to April 2014. Dietary calcium, total energy, fat to energy ratio, glucose administration, 2-h postprandial blood glucose, serum total cholesterol and high density lipoprotein (HDL)-cholesterol, and serum 25OHD level were assessed. Logistic regression was used to assess the associations of various parameters with T2D. Total energy, fat, and the fat-to energy ratio were significantly higher in healthy male and female controls than in T2D patients (p<0.05). In addition, significant differences were obtained between the T2D and control groups in glucose management, 2-h postprandial blood glucose, serum total cholesterol, and HDL-cholesterol (all p<0.05). Interestingly, statistically significant inverse associations of dietary calcium and total energy intake with the risk of T2D were obtained in women; binary logistic regression analysis showed diet calcium and serum 25OHD were protecting factors against T2D (OR=0.40, p=0.034; OR=0.50, p=0.019). Dietary calcium and serum 25OHD may independently protect Chinese women from T2D. These findings highlight the importance of vitamin D and calcium in daily diet or supplement in the early period of T2D, meanwhile indicators associated with bone metabolism should be assessed in clinical nutrition. It is possible that dietary education and guidance should be implemented based clinical bone metabolism data. PMID- 29225210 TI - Inhibitory role of Munc13-1 in antigen-induced mast cell degranulation. AB - Secretory granules (SGs) of mast cells are lysosome-related organelles that contain various inflammatory molecules such as histamine, which are stored in the cytoplasm. Mast cell degranulation is the regulated exocytosis of SGs in response to external stimuli, such as the antigen-mediated cross-linking of the high affinity IgE receptor, FcepsilonRI. Upon stimulation, SGs undergo priming to become fusion-competent prior to fusing with the plasma membrane, which is mediated by Munc13-4, one of the five members of the vesicle-priming Munc13 protein family. Although Munc13-4 is shown to be crucial for mast cell degranulation, the functional involvement of other Munc13 isoform(s) remains unknown. Herein, this was investigated using the RBL-2H3 mast cell line. We found that Munc13-1 and Munc13-4 are the only Munc13 isoforms that are expressed in the RBL-2H3 cells, and Munc13-1 is distributed in the cytoplasm, but highly concentrated on the late endosome and/or lysosome. Unexpectedly, antigen-induced degranulation was considerably increased by Munc13-1 knockdown, but decreased by its overexpression. Further, we found that the hypersecretion phenotype of the Munc13-1-knockdown cells was attenuated by simultaneous Munc13-4 knockdown. These results suggested that Munc13-1 has an inhibitory role in antigen-induced mast cell degranulation, which is performed in a Munc13-4-dependent manner. PMID- 29225209 TI - Dapagliflozin Reduces Fat Mass without Affecting Muscle Mass in Type 2 Diabetes. AB - AIM: Sodium-glucose co-transporter 2 inhibitor (SGLT2i) therapy has been demonstrated to improve glycemic control and reduce body weight and fat mass in type 2 diabetes mellitus (T2DM). Here, our aim was to investigate the effects of SGLT2i dapagliflozin-treatment on body muscle mass and muscle fat content in patients with T2DM. METHODS: We prospectively recruited uncontrolled (hemoglobin A1c [HbA1c] >7%) Japanese T2DM patients who had a body mass index (BMI) <35 kg/m2. Patients were treated with dapagliflozin (5 mg/day) or non-SGLT2i medicines for six months to improve HbA1c. We investigated changes in body composition using bioelectrical impedance analysis and changes in psoas muscle mass using abdominal computed tomography (CT). RESULTS: Subjects were 50 T2DM patients (72% male) with a mean age of 56.1 years, mean BMI of 27.1 kg/m2 and mean HbA1c of 7.9%. HbA1c, body weight, and BMI were significantly decreased in both treatment groups, and the HbA1c decrease was not significantly different between groups. Dapagliflozin treatment significantly decreased body weight and total fat mass without affecting skeletal muscle mass. The absolute change in soft lean mass and skeletal muscle mass was not significantly different between groups. Dapagliflozin treatment did not significantly decrease psoas muscle index, and the absolute change in this index was not significantly different between groups. Dapagliflozin therapy also produced a significant increase in CT radiation attenuation in the third lumbar paraspinal muscles compared with non SGLT2i therapy. CONCLUSIONS: Treatment with dapagliflozin for six months significantly improved glycemic control and reduced body weight without reducing muscle mass in T2DM patients. PMID- 29225211 TI - Changes in FOXO and proinflammatory cytokines in the late stage of immobilized fast and slow muscle atrophy. AB - The present study aimed to examine the changes in the expression of Forkhead box protein O (FOXO) and proinflammatory cytokines in both slow-twitch soleus and fast-twitch plantaris muscles following cast immobilization. Male C57BL/6 mice were subjected to cast immobilization for 7 and 21 days. Cast immobilization increased FOXO3a mRNA and total protein expression in both the soleus and plantaris muscles. Although FOXO3a phosphorylation tended to increase in response to cast immobilization in both muscles, a significant increase was evident after 21 days of immobilization only in the soleus muscle. The degree of the response of FOXO3a was very different between the soleus and plantaris muscles; however, the kinetics of FOXO3a in both muscles were similar. Thus, the regulation of muscle atrophy by FOXO might act via a common mechanism in both slow-twitch soleus and fast-twitch plantaris muscles. Gene expression of proinflammatory cytokines tended to increase in response to cast immobilization, and a significant increase was evident after 21 days of immobilization in the soleus muscle. However, in the plantaris muscle, proinflammatory cytokine gene expression remained unchanged throughout the immobilization period; nevertheless, immobilization induced greater reduction in muscle fiber cross-sectional area in the plantaris than in the soleus muscle. Thus, these observations indicate that regulation of muscle atrophy by proinflammatory cytokines might contribute to muscle fiber type-specific mechanisms. PMID- 29225212 TI - Iron deficiency induces autophagy and activates Nrf2 signal through modulating p62/SQSTM. AB - Iron is an essential trace metal in almost all organisms and plays an important role in the redox system. We previously reported that iron deficiency activated autophagy and nuclear factor erythroid 2-related factor 2 (Nrf2) signaling for oxidative stress. However, regulatory mechanisms underlying the association between autophagy and Nrf2 signaling are unclear. In this study, we found that treatment of cells with an iron-specific chelator deferoxamine (DFO) increased reactive oxidative species (ROS) production by elevating the expression of p47phox and p67phox compared with that in untreated cells. The DFO treatment also induced protein aggregation and formed aggresome, which is a cellular response to misfolded protein. In addition, DFO treatment upregulated the expression of the autophagic gene p62/SQSTM1, which in turn activated intracellular proteolysis during autophagy. DFO treatment phosphorylated p62/SQSTM1 (Thr351) to activate Nrf2. However, silencing of p62/SQSTM1 followed by DFO treatment attenuated Nrf2 activation and resulted in the accumulation of carboxyl proteins compared with DFO treatment alone. These results indicated that iron deficiency activates Nrf2 signaling by modulating p62/SQSTM1 during autophagy. PMID- 29225213 TI - Fish protein hydrolysate exhibits anti-obesity activity and reduces hypothalamic neuropeptide Y and agouti-related protein mRNA expressions in rats. AB - Fish protein is a source of animal protein that is consumed worldwide. Although it has been reported that the intake of Alaska pollack protein (APP) reduces body fat accumulation and increases muscle weight in rats, the mechanisms underlying these effects are poorly understood. As a possibility, peptides released from APP in the gastrointestinal tract are important to the functions of APP. In the present study, we examined the effects of APP hydrolysate digested artificially with pepsin and pancreatin on white adipose tissue and skeletal muscle. We found that APP hydrolysate group shows significantly lower weight of white adipose tissue and higher weight of soleus muscle than the control group. We also found that APP hydrolysate group reduces food intake and mRNA expressions of neuropeptide Y and agouti-related protein in the hypothalamus compared with the control group. These results may imply that APP hydrolysate exhibits anti-obesity activity by the reduction of appetite and the enhancement of basal energy expenditure by skeletal muscle hypertrophy in rats. The downregulation of orexigenic gene by APP hydrolysate in the hypothalamus may contribute to the reduction of appetite. These results suggest that the effect of APP on anti obesity and muscle hypertrophy may be induced by peptides released from APP in the gastrointestinal tract. PMID- 29225214 TI - Noradrenergic effects in rat sacral autonomic nucleus using in vitro slice patch clamp recordings. AB - Noradrenergic modulation has been frequently discussed in the context of neural activities that are related to pelvic organs. The sacral preganglionic nucleus (SPN) is a spinal nucleus containing parasympathetic preganglionic neurons that send fibers to pelvic nerves. In spite of the abundant presence of noradrenergic fibers around the SPN, the effects of noradrenaline (NA) remain obscure. To explore this issue, NA (50 MUM) was applied to parasympathetic preganglionic neurons in the SPN during whole-cell patch clamp recording. The SPN was labeled with the retrograde tracer, DiI. These neurons demonstrated two classes of firing patterns (delayed and regular) in terms of initiation of firing. Independent of these firing patterns, NA induced inward (56%) or outward (32%) currents in labeled SPN neurons. Phenylephrine, an alpha1 receptor agonist, induced an inward current, and clonidine, an alpha2 receptor agonist, induced an outward current, indicating the existence of both alpha1 and alpha2 adrenoreceptors in DiI-labeled SPN neurons. NA also modulated synaptic currents according to the firing patterns. In delayed firing neurons, NA inhibited both spontaneous excitatory post-synaptic currents (sEPSCs) and spontaneous inhibitory post-synaptic currents (sIPSCs). Hence, NA facilitated sEPSCs and sIPSCs in about a half of regular firing neurons. Bath application of phenylephrine facilitated sEPSCs and sIPSCs, and clonidine inhibited them. These results support the hypothesis of multiple effects of NA in the SPN, and may suggest functional differences among SPN neurons. PMID- 29225215 TI - Cognitive impairment with interferon treatment in patients with chronic hepatitis C. AB - Interferon (IFN) has various side effects, including psychiatric symptoms. Event related potentials are used as an electrophysiologic index of cognitive disorders. Auditory event-related potentials (P300) are often used in conditions in which cognitive ability is affected. In this study, we evaluated the association between P300, used to assess cognitive impairment, and neuropsychological side effects of IFN treatment in patients with chronic hepatitis C. Subjects were 20 patients with chronic hepatitis C; 13 patients were treated with peg IFN-alpha2b and ribavirin (riba group), and 7 patients were treated with peg IFN-alpha2a (alone group). P300 was performed on all patients before treatment and after 1 week, 4 weeks, 2 months, and 3 months of treatment. In addition, 10 patients of them completed the self-rating depression scale (SDS). P300 latency was significantly prolonged at all points of measurement during IFN treatment. No correlation between the change of SDS score and the change rate of P300 latency was shown. Six patients with neuropsychological symptom had a significantly increased change rate of P300 latency compared with patients without neuropsychological symptoms (P < 0.05). Based on P300 findings, this study suggests that patients with chronic hepatitis C treated with IFN may experience significant cognitive impairment. PMID- 29225217 TI - Molecularly Imprinted Materials in Analytical Chemistry. PMID- 29225218 TI - A Proposal for Automated Background Removal of Bio-Raman Data. AB - The subtraction of background components from observed spectra is essential in performing multivariable analysis, frequently applied to Raman spectra of cells. The subtraction procedure, however, is manual and time consuming, especially for big data. Here, we propose an automated method for removing background information from measured spectra of cells, exhibiting the theoretical framework and an experimental application. PMID- 29225216 TI - Depressive symptoms and risk of absence among workers in a manufacturing company: a 12-month follow-up study. AB - Depression is a leading cause of reduced work ability and absence due to sickness. The objective of this study was to investigate how depressive symptoms are prospectively associated with subsequent absence, whether caused by illness or accidents, among manufacturing workers. This prospective study was conducted on 2,349 male and female employees that underwent a regular health examination at a university hospital. Depressive symptoms were measured at baseline using the Center for Epidemiologic Studies Depression (CES-D) Scale. Data on self-reported absence due to illness and accidents were obtained during a follow up of 1 yr. The incidences of sickness absence were 6.0% for men and 17.3% for women. Men and women with depressive symptoms (CES-D >=16) were found to have higher odds of sickness absence during follow up (men: OR=4.06; 95% CI: 2.32-7.11; women: OR=1.75; 95% CI: 1.02-2.98), after adjustment for demographic and occupational factors. When depressive symptoms were divided into quartiles, significantly higher ORs of sickness absence were observed only among employees with the highest quartile of depressive symptoms. The study shows that depressive symptoms are a risk factor for future absence due to illness or accidents among manufacturing workers. PMID- 29225219 TI - Layer Caused an Anisotropic Terahertz Response of a 3D-printed Simulative Shale Core. AB - Energy demands have motivated the development of shale formations as significant unconventional reservoirs. The anisotropy of shales plays a significant role in both the mechanical behavior and engineering activities. Alternating layers presented in shales affect the propagation of waves, causing anisotropy at various frequencies. Simplifying the complicated interior structures of shales is conducive to characterize the anisotropic properties. Therefore, simulative shale core samples were designed and fabricated using additive manufacturing processes, and layer-caused dielectric anisotropy was investigated by terahertz (THz) time domain spectroscopy. On the basis of effective medium theory, the change of the optical length caused by refraction of rays was discussed and modeled. It is believed that the refraction of rays at the interfaces is the source of THz propagation anisotropy in the multilayered structure, and the anisotropy degree is mainly influenced by the layer thickness as well as the refractive index. PMID- 29225220 TI - Amplified Fluorescent Detection of Mercuric Ions by Conjugation of the ThT induced G-Quadruplex Based Hybridization Chain Reaction. AB - A sensitive fluorescent method for the detection of Hg2+ was developed based on triple-helix molecular switch (THMS)-induced hybridization chain reaction (HCR) amplification. THMS was composed of a T-rich mercury-specific probe and an initiator probe, designed by the Watson-Crick and Hoogsteen base pairings and employed as a signal trigger. Two hairpin probes containing the G-quadruplex sequence were used as signal amplification elements. In the presence of Hg2+, the T-Hg2+-T mismatch resulted in disassembling the THMS and releasing the initiator probe. One of the hairpins was opened by the released initiator probe, which triggered a successive cross-opening of two hairpins based the strand displacement principle, resulting in the formation of long-chain DNA with multiple G-quadruplex. When thioflavin T (ThT), a fluorophore, was bound to the G quadruplex, an obvious fluorescence enhancement would occur. This sensing system enabled the highly sensitive and selective detection of aqueous Hg2+ with a limit of-detection of 10.2 pM. PMID- 29225221 TI - A New Kinetic, Automated Assay to Determine the Ferroxidase Activity of Ceruloplasmin. AB - A new kinetic and automated assay was developed to determine ceruloplasmin ferroxidase activity. Ferrous ions are turned into ferric ions via catalytic activity of the ferroxidase enzyme. Acetohydroxamic acid, a chromogen, forms a colored complex with ferric ions. This reaction was measured kinetically. Significant and strong correlations were obtained between the new acetohydroxamic method and the p-phenylenediamine oxidase (r = 0.988, p <0.001), o-dianisidine oxidase (r = 0.981, p <0.001), norfloxacine oxidase (r = 0.989, p <0.001) and nephelometric methods (r = 0.861, p <0.001). This reliable, applicable, user friendly, and low-priced method can be performed fully automatically or with manual spectrophotometry, and can be used to measure the ferroxidase activity of ceruloplasmin. PMID- 29225222 TI - Autofluorescent Hyperbranched Poly(amide amine) as Effective Fluorescent Probe for Label-free Detection of Copper(II) Ions. AB - A label-free fluorescent probe based on autofluorescent hyperbranched poly(amide amine) (HPAMAM) for copper ions was designed. HPAMAM is a cationic polymer containing many amino groups, which could bind Cu2+ ions to form cupric amine complexes, leading to a selective quenching of the fluorescence intensity of HPAMAM via inner filter effect. The fluorescence intensity of HPAMAM decreased with increasing concentration of Cu2+ ions and the linear response ranged from 0.05 to 25 MUM (R2 = 0.995), with the corresponding detection limit (3sigma/k) of 17.15 nM. The HPAMAM fluorescent probe provided a simple, rapid, selective and sensitive fluorometric method for detecting Cu2+ ions, which could be also applied for detection of Cu2+ ions in real water samples. PMID- 29225223 TI - pH-Independent Recognition of Polyhydroxy Compounds by Niobium(V) Porphyrin Complex with Unique Sugar Selectivity. AB - The niobium(V) complex with tetraphenylporphin having OH- as an auxilliay ligand exists as a dimeric complex, [Nb2(tpp)2O3] at a total concentration >10-4.5 mol dm-3, and reacts with an aliphatic or aromatic polyhydroxy compound to form a monomeric complex containing chelate rings by coordination of the deprotonated species, and to cause an appreciable UV-Vis spectral change. In contrast to phenylboronic acid (PBA), the reactivity of [Nb2(tpp)2O3] is independent of pH at least between 4 and 8. Aliphatic comounds are more reactive than aromatic compounds in dioxane-water, while the reactivity order is reversed in the two phase reaction. The sugar selectivity order of [Nb2(tpp)2O3] in dioxane-water (10:1) (sorbose > fructose >> mannose > arabinose, galactose > glucose) is appreciably different from that of PBA (fructose > sorbose >> arabinose > galactose > mannose > glucose). This may be related to the difference in size of the Lewis acidic center. PMID- 29225224 TI - Characterization of Melanin Radicals in Paraffin-embedded Malignant Melanoma and Nevus Pigmentosus Using X-band EPR and EPR Imaging. AB - Continuous wave electron paramagnetic resonance (CW EPR) and X-band (9 GHz) EPR imaging (EPRI) were used to nondestructively investigate the possible differentiation between malignant melanoma (MM) and nevus pigmentosus (NP) melanin radicals in paraffin-embedded specimens. The EPR spectra of both samples were analyzed using linewidth, spectral pattern, and X-band EPRI. The CW-EPR spectra of the MM showed an additional signal overlap. Eumelanin- and pheomelanin related radicals were observed in the MM specimens. The EPR results revealed that the peak-to-peak linewidths (DeltaHpp) of paraffin-embedded MM and NP samples were 0.65 +/- 0.01 and 0.69 +/- 0.01 mT, respectively. The g-value was 2.005 for both samples. Moreover, the two-dimensional (2D) EPRI of the MM showed different signal intensities at the different tumor stages, unlike the NP, which displayed fewer variations in signal intensity. Thus, the present results suggest that EPR and 2D EPRI can be useful for characterization of the two melanin radicals in the MM and for determination of their size and concentration. PMID- 29225225 TI - Internal Standard-Amplitude Modulated Multiplexed Flow Analysis. AB - A new concept of flow analysis, internal standard-amplitude modulated multiplexed flow analysis, is proposed. A proof of concept was verified by applying it to the determination of ferrous ion (Fe2+) by 1,10-phenanthroline (o-Phen) spectrophotometry. The flow rates of sample solutions containing Methylene Blue (MB) as an internal standard substance were sinusoidally varied at different frequencies. The solutions were merged with a color reagent (o-Phen) solution, while the total flow rate was held constant. Downstream, analytical signals were monitored at the maximum absorption wavelengths of Fe2+-o-Phen complex and of MB (510 and 644 nm, respectively). The signals were respectively analyzed by fast Fourier transform. The concentrations of the analytes in respective samples were simultaneously determined from the amplitudes of the corresponding wave components. The precision, linearity of the calibration curve, limit of detection and robustness against deliberate fluctuation in flow rate were greatly improved by introducing the internal standard method. Good recoveries of around 100% were obtained for Fe2+ spiked into real water samples. PMID- 29225226 TI - A Novel Biosensor Based on Terminal Protection and Fluorescent Copper Nanoparticles for Detecting Potassium Ion. AB - A novel biosensor for sensitively detecting potassium ion (K+) has been developed based on fluorescent copper nanoparticles (Cu NPs). In our design, we employ a label-free single-strand DNA (ssDNA) that contains two parts. One is 3'-terminus structure-switching aptamers (SSAs) that can fold into G-quadruplex after binding with its target K+. The other is 5'-terminus poly thymine (polyT) which works as a template to construct fluorescent Cu NPs. After incubating with K+, the part SSAs go through target-induced conformational changes. Benifiting from the exceptional digestion ability of exonuclease I (Exo I), the G-quadruplexes display effective resistance to nuclease digestion, so that 5'-terminus polyT remains and the in situ formation of Cu NPs provides a turn-on fluorescent signal that is used to evaluate the concentration of K+. The recovery of the fluorescence intensity is linearly correlated with the K+ concentration in the range of 0.05 to 1 mM with a detection limit of 0.05 mM. Compared with some methods, this assay is cost-effective and facile with high specificity. Meanwhile, this excellent strategy shows a great potentiality in other sensing approaches that can study the interaction between similar SSAs and different specific targets. PMID- 29225227 TI - Selective Detection of Carcinogenic Aromatic Diamines in Aqueous Solutions Using 4-(N-Chloroformylmethyl-N-methylamino)-7-nitro-2,1,3-benzoxadiazole (NBD-COCl) by HPLC. AB - Reaction conditions for the selective derivatization of three types of aromatic diamines without clean-up in an aqueous solution using 4-(N-chloroformylmethyl-N methylamino)-7-nitro-2,1,3-benzoxadiazole (NBD-COCl) have been developed for simple, fast, and selective analysis by HPLC. The aromatic amines were derivatized to give di-NBD-CO-aromatic amines at 35 degrees C for 5 min in a buffer solution at pH 5 containing a low acetonitrile concentration (0 - 400 ng/mL, n = 5, r >0.998). The retention times of these di-NBD-CO-aromatic amines were <5 min. Sample solutions containing aromatic amines, phenols, and an aliphatic amine were also prepared. Under the optimized reaction conditions (i.e., low acetonitrile content and acidic conditions), no derivatization of the phenols and the aliphatic amine was observed. These were related to the differences in the pKa values of the target substances, the organic solvent concentration, and the reaction solution pH. For the model system, a sulfuric acid-impregnated filter was spiked with the aromatic amines, phenols, and aliphatic amine prior to extraction, derivatization, and measurement by HPLC. Only aromatic amines were detected quantitatively, with no other compounds being observed. PMID- 29225228 TI - Zinc Ion-immobilized Magnetic Microspheres for Enrichment and Identification of Multi-phosphorylated Peptides by Mass Spectrometry. AB - The selective isolation of phosphorylated peptides and subsequent analysis using mass spectrometry is important for understanding how protein kinase and phosphatase signals can precisely modulate the on/off states of signal transduction pathways. However, the isolation and detection of multi phosphorylated peptides is still limited due to their distinct affinity to various materials and their poor ionization efficiency. Here, we report a highly efficient and selective enrichment of phosphorylated peptides using binuclear Zn2+-dipicolylamine complex-coated magnetic microspheres (ZnMMs). ZnMMs can utilize the rapid and selective isolation/enrichment of phosphorylated peptides and the subsequent mass spectrometric analysis, given the intrinsic magnetic property of magnetic microspheres and the highly selective binding ability of the binuclear Zn2+-dipicolylamine complex to phosphate groups. alpha-Casein and beta casein were chosen for a proof-of-concept demonstration. We contemplated that phosphopeptides were selectively isolated and enriched from both the tryptic digests of casein proteins and mixed samples with a high degree of sensitivity by facilitating ZnMMs. Especially, ZnMMs showed high efficiency with multi phosphopeptides, which are in general difficult to be examined by mass analysis on account of their poor ionization efficiency. For the model protein alpha, beta casein mixture of the tryptic digest, 17 phosphopeptides were identified with ZnMMs and 82% of the enriched phosphopeptides were multi-phosphorylated peptides, indicating that ZnMMs have excellent enrichment efficiency and strong affinity towards multi-phosphorylated peptides. PMID- 29225229 TI - NHS-based Tandem Mass Tagging of Proteins at the Level of Whole Cells: A Critical Evaluation in Comparison to Conventional TMT-Labeling Approaches for Quantitative Proteome Analysis. AB - Tandem mass tags (TMT) are usually introduced at the levels of isolated proteins or peptides. Here, for the first time, we report the labeling of whole cells and a critical evaluation of its performance in comparison to conventional labeling approaches. The obtained results indicated that TMT protein labeling using intact cells is generally possible, if it is coupled to a subsequent enrichment using anti-TMT antibody. The quantitative results were similar to those obtained after labeling of isolated proteins and both were found to be slightly complementary to peptide labeling. Furthermore, when using NHS-based TMT, no specificity towards cell surface proteins was observed in the case of cell labeling. In summary, the conducted study revealed first evidence for the general possibility of TMT cell labeling and highlighted limitations of NHS-based labeling reagents. Future studies should therefore focus on the synthesis and investigation of membrane impermeable TMTs to increase specificity towards cell surface proteins. PMID- 29225230 TI - In situ Measurement of the pH-dependent Transmission Infrared Spectra of Aqueous Lactic Acid Solutions. AB - The transmission infrared absorption spectra of an aqueous lactic acid solution was measured over a pH range of 2.66 - 1.59 using a cell with an optical path length of 12 MUm. Absorption peaks were then identified by density functional theory (DFT) calculations. The observed pH-dependent changes in the absorbance spectra were consistent with the properties of the assigned functional groups. We therefore believe that the present method can be applied to the contactless and non-invasive quantitative evaluation of pH values in aqueous systems, such as bioprocesses and bioimaging. PMID- 29225231 TI - Kinetic Determination of Lanthanum(III) by the Catalytic Effect on the Oxidation of Fluorescent Safranine Dyes with Potassium Bromate. AB - Two simple and sensitive kinetic-fluorometric methods have been developed for the determination of lanthanum(III): fluorescence quenching generated by the oxidation of safranine T or phenosafranine with potassium bromate in an acetate buffer solution. The rate of the oxidation reaction is significantly accelerated after adding lanthanum(III). A good linearity between the relative fluorescence intensity and lanthanum(III) is observed in the range of both 0.04 - 2.0 and 4.0 16 MUg/mL. The detection limits have been 3.6 * 10-3 and 0.334 MUg/mL respectively. The accuracy and reliability of the methods are further validated by recovery studies via a standard-addition method, with percentage recoveries ranging from 98 to 102%. Comparing the results of two measured reaction systems, we find that the safranine T reaction system provides high sensitivity and a wider linear range. In consequence, we have chosen the safranine T system to detect sample water, and explored the reaction mechanism. PMID- 29225232 TI - Effect of Ultraviolet Irradiation on Proton Transfer Facilitated by 5,10,15,20 Tetraphenyl-21H,23H-porphine and Its Metal Complexes at a Water/1,2 Dichloroethane Interface. AB - We examined photochemical effects by ultraviolet irradiation on facilitated proton transfer at a water/1,2-dichloroethane (W/DCE) interface by ion-transfer voltammetry using a Xe flash lamp. 5,10,15,20-Tetraphenyl-21H,23H-porphine (H2TPP) or its metal complex, such as cobalt (Co(II)TPP), zinc (Zn(II)TPP), and nickel (Ni(II)TPP) complexes, was added into the DCE phase as an ionophore for the facilitated proton transfer. After we irradiated the W/DCE interface through the W phase, the voltammetric waves for proton transfer facilitated by H2TPP and Co(II)TPP were remarkably enhanced and shifted to the lower potential region, compared to those before irradiation. We confirmed from the pH and argentometric titrations that such enhancements and shifts of the waves were caused by hydrogen chloride (HCl) produced by photodecomposition of DCE. On the other hand, the waves for proton transfer facilitated by Zn(II)TPP and Ni(II)TPP were very small from the beginning, and showed neither enhancement nor any shift upon irradiation. PMID- 29225233 TI - Copper Nanoparticles for Ascorbic Acid Sensing in Water on Carbon Screen-printed Electrodes. AB - A carbon screen-printed electrode was modified with copper nanoparticles from their dispersion obtained via pulsed laser ablation of a copper target in ethanol. The modified electrode exhibited activity in ascorbic acid electrochemical oxidation, giving an anodic current peak on voltammograms. Linear sweep and cyclic voltammetry have shown a linear dependence of the signal (both peak height and peak area) on the ascorbic acid concentration. The linear range from 1 to 250 MUM of ascorbic acid was studied, and the detection limit was experimentally found to be 0.5 MUM. The amperometric response to the addition of ascorbic acid portions into the solution was recorded. For the case of the simultaneous presence of ascorbic acid and glucose, two separate signal were obtained. Thus, the modified electrodes are characterized by the following advantages: disposable use; small amount of the samples required for the analysis; lower price (cheap copper is used); simple and easy modification procedure; good metrological characteristics; selectivity. PMID- 29225234 TI - A Planar Bilayer Lipid Membrane Sensor Using a Miniaturized Auto-patch System. AB - A bilayer lipid membrane sensor was constructed with a miniaturized auto-patch system. The performance of the patch system was optimized to obtain an analytically relevant signal. A biosensor based on an anti-BSA-antibody as a receptor and gramicidin as a signal transduction element was demonstrated. The sensor for BSA exhibited a detection limit of pg/mL level for BSA. PMID- 29225235 TI - Solid Phase Extraction of Trace Al(III), Fe(II), Co(II), Cu(II), Cd(II) and Pb(II) Ions in Beverages on Functionalized Polymer Microspheres Prior to Flame Atomic Absorption Spectrometric Determinations. AB - In this study, poly(glycidyl methacrylate-methyl methacrylate-divinylbenzene) was synthesized in the form of microspheres, and then functionalized by 2 aminobenzothiazole ligand. The sorption properties of these functionalized microspheres were investigated for separation, preconcentration and determination of Al(III), Fe(II), Co(II), Cu(II), Cd(II) and Pb(II) ions using flame atomic absorption spectrometry. The optimum pH values for quantitative sorption were 2 - 4, 5 - 8, 6 - 8, 4 - 6, 2 - 6 and 2 - 3 for Al(III), Fe(II), Co(II), Cu(II), Cd(II) and Pb(II), respectively, and also the highest sorption capacity of the functionalized microspheres was found to be for Cu(II) with the value of 1.87 mmol g-1. The detection limits (3sigma; N = 6) obtained for the studied metals in the optimal conditions were observed in the range of 0.26 - 2.20 MUg L-1. The proposed method was successfully applied to different beverage samples for the determination of Al(III), Fe(II), Co(II), Cu(II), Cd(II) and Pb(II) ions, with the relative standard deviation of <3.7%. PMID- 29225236 TI - Microfluidic Platform for Analyzing the Thermotaxis of C. elegans in a Linear Temperature Gradient. AB - Caenorhabditis elegans (C. elegans), which shares a considerable amount of characteristics with human genes is one of the important model organisms for the study of behavioral responses. Thermotaxis is a representative behavior response of C. elegans; C. elegans stores the cultivation temperature in thermosensory neurons and moves to the cultivation temperature region in a temperature variation. In this study, we developed a microfluidic system for effective thermotaxis analysis of C. elegans. The microfluidic channel was fabricated using polydimethylsiloxane (PDMS) by soft lithography process. The temperature gradient (15 - 20 degrees C) was generated in the microchannel and controlled by Peltier modules attached to the bottom of the channel. The thermotaxis of wild type (N2), tax-4(p678) and ttx-7(nj50) mutants were effectively analyzed using this microfluidic system. We believe that this system can be employed as a basic platform for studying the neural circuit of C. elegans responding to external stimuli. PMID- 29225237 TI - A Biotin-streptavidin-enhanced Carbon Nanotube Amplification Strategy for an Ultrasensitive Immunodetection of Polybrominated Diphenyl Ethers. AB - The extensive use of polybrominated diphenyl ethers (PBDEs) has resulted in its increasingly widespread presence. Especially the lower halogenated PBDEs accumulate to a greater degree than the higher halogenated PBDEs in house dust, sewage sludge, pets, or even humans. In the present work, we developed an ultrasensitive biotin-streptavidin-enhanced carbon nanotube amplification strategy for the immunodetection of PBDEs, in which single-walled carbon nanotubes were used to immobilize numerous streptavidin. Meanwhile, we used biotin conjugated horseradish peroxidase (B-HRP) and biotin conjugated Goat anti rabbit (B-IgG) to link the HRP and IgG to CNTs by using a biotin-streptavidin system. The sensitivity of the streptavidin-biotin-IgG-CNTs-HRP bioconjugate was compared with a commercial HRP-labelled IgG by using indirect competitive ELISA. The limit of this proposed ELISA detection (IC10) was 0.0059 ng/mL, showing a 20 time lower detection limit over the commercial one (IC10 = 0.1193 ng/mL). Finally, we applied the assay to the detection of PBDEs in dust samples. The results were consistent with those using GC-ECD, which confirmed that the proposed amplification strategy was accurate and receptive. This proposed biotin streptavidin-enhanced carbon nanotube amplification strategy would be useful for ultrasensitive immunodetection in environmental studies. PMID- 29225238 TI - Distribution Equilibria of Amphoteric 8-Quinolinol between 1-Alkyl-3 methylimidazolium Bis(trifluoromethanesulfonyl)imide and Aqueous Phases and Their Effect on Ionic Liquid Chelate Extraction Behavior of Iron(III). AB - The distribution behavior of amphoteric 8-quinolinol (HQ) between ionic liquid (IL) phase and aqueous phase and ionic liquid chelate extraction behavior of iron(III) with HQ were investigated using four 1-alkyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide (CnmimTf2N, n = 2, 4, 6 and 8) ILs. Not only neutral HQ but also cationic H2Q+ were distributed into the IL phase, and the latter distribution based on cation-exchange with Cnmim+ was pronounced in the use of IL having a less-hydrophobic cation, such as C2mim+. In the IL chelate extraction of iron(III), the extractability increased with the increase in the hydrophobicity of IL as the extraction phase. Nevertheless, the determined equilibrium constants for the extraction as the neutral complex FeQ3 were similar to one another. The difference in the extractability among the ILs was due to the difference in the distribution of H2Q+ into the extraction phase. In addition, the cationic coordinatively-unsaturated complex FeQ2+ was also extracted in use of less-hydrophobic C2mimTf2N. PMID- 29225239 TI - Rapid Plasma Etching for Fabricating Fused Silica Microchannels. AB - In order to advance the performances of micro chemical and biochemical systems on a chip, the fabrication of microstructures such as channels and pillars is an essential basic technology. However, conventional fabrication methods based on wet etching have limitations in their applications for device engineering. In this study, we report on a new microchannel fabrication process on a fused silica substrate using photoresist and plasma etching based on C3F8, CHF3, and Ar gases. Deep, rectangular microchannels, having vertical angles close to 90 degrees , 10 MUm-scale deep and low surface roughness of less than 1 nm, could be fabricated on a fused silica substrate at high etching rates on the order of 5 - 7 nm s-1. This metal-free fabrication methodology is expected to be a low-cost, easy, and simple technique for a fused silica microstructure applications. PMID- 29225240 TI - A Fluorescence Quenching Assay Based on Molecular Beacon Formation through a Ligase Detection Reaction for Facile and Rapid Detection of Point Mutations. AB - A fluorescence quenching assay based on a ligase detection reaction was developed for facile and rapid detection of point mutations present in a mixed population of non-variant DNA. If the test DNA carried a targeted mutation, then the two allele-specific primers were ligated to form a molecular beacon resulting in the expected fluorescence quenching signatures. Using this method, we successfully detected as low as 5% mutant DNA in a mixture of wild-type DNA (t test at 99% confidence level). PMID- 29225241 TI - Effect of the Elemental Composition of Precursors from Amino Acids and Their Binary Mixtures on the Photoluminescent Intensity of Carbon Nanodots. AB - We report on the photoluminescent (PL) properties of carbon nanodots (CNDs) doped with nitrogen and sulfur obtained by the pyrolytic carbonization of amino acids as precursors. Prepared CNDs exhibit stable PL emission under a wide variety of aqueous conditions. The results also provided the way to tune a PL intensity of CNDs by varying the amount of heteroatoms in precursors with a binary mixture of amino acids. The PL quantum yields of the obtained CNDs were determined to be from 0.079 to 0.571. PMID- 29225242 TI - Newly Developed Friction Tester for in situ Soft X-Ray Absorption Measurements of Frictional Engine-Oil/Metals Interfaces. AB - A novel friction tester has been developed to clarify the friction mechanism between engine oil and metals by in situ/operando measurements of the X-ray absorption near edge structure (XANES) using the total electron yield (TEY) method. The tester can perform frictional motion with engine oil and metals in a vacuum chamber under a vacuum of 10-7 Torr during TEY-XANES measurements in BL 6.3.2 at the Advanced Light Source (ALS). From in situ XANES measurements in the C K and Fe L regions, the organic molecule layers at the oil/metals interfaces have been successfully observed. PMID- 29225244 TI - Trousseau's Syndrome Causing Refractory Deep Venous Thrombosis. AB - A 66-year-old man, who had been diagnosed with deep venous thrombosis (DVT), and who was treated with a vitamin K antagonist (VKA) and who had undergone the implantation of an inferior vena cava filter, was admitted due to an exacerbation of DVT. VKA was administered again; however, the patient's DVT worsened. Further examinations revealed colon cancer, which led to a diagnosis of Trousseau's syndrome. The regression of the thrombi was confirmed after the administration of heparin and the resection of the tumors. Trousseau's syndrome should always be kept in mind when patients present with refractory venous thrombosis. The administration of heparin, and cancer control are necessary for the effective treatment of thrombosis in such cases. PMID- 29225245 TI - Oral Methotrexate-related Lymphoproliferative Disease Presenting with Severe Osteonecrosis of the Jaw: A Case Report and Literature Review. AB - Long-term methotrexate (MTX) treatment can cause MTX-related lymphoproliferative disorder (MTX-LPD). We experienced a case of MTX-LPD that was associated with severe osteonecrosis of the jaw mimicking medication-related osteonecrosis of the jaw. The patient was an 81-year-old woman with rheumatoid arthritis (RA) who was treated with MTX and bisphosphonate. After 7 years, she was referred to our department for the assessment of giant ulcer and exposure of the alveolar bone of the left maxilla. Histopathological and immunological analyses confirmed a diagnosis of MTX-LPD. At seven months after the cessation of MTX treatment, the ulcerative and necrotic lesions had markedly decreased in size. A 1-year follow up examination showed no evidence of recurrence and good RA control. PMID- 29225246 TI - Acute Arterial Thrombosis during Postoperative Adjuvant Cisplatin-based Chemotherapy for Completely Resected Lung Adenocarcinoma. AB - A malignant tumor can cause hypercoagulation and it also often coexists with thrombosis. Cisplatin-based chemotherapy can also induce adverse vascular effects, including arterial thrombosis. We herein report a case of acute arterial thrombosis in a patient undergoing postoperative adjuvant cisplatin-based chemotherapy for completely resected lung cancer. The patient complained of acute leg pain after chemotherapy, and computed tomography revealed multiple thrombi from the thoracic to popliteal arteries. Arterial thrombosis during adjuvant chemotherapy is extremely rare; however, careful clinical observation of patients receiving cisplatin-based chemotherapy is important, because arterial thrombosis, even in the absence of the primary malignant tumor, is possible. PMID- 29225247 TI - Hypercalcemia after the Discontinuation of Medroxyprogesterone Acetate. AB - A 39-year-old woman was admitted to our hospital with symptoms of general fatigue, nausea, and vomiting that appeared three months after she stopped seven years of medroxyprogesterone acetate (MPA) medication for endometrial stromal sarcoma. Laboratory tests demonstrated moderate hypercalcemia. Several tests demonstrated that she was suffering from adrenal insufficiency. Glucocorticoid supplementation decreased her calcium level to a normal range, indicating that hypercalcemia was induced by adrenal insufficiency. It was suggested that she was suffering from MPA-induced adrenal insufficiency, but hypocortisolemia was being compensated by a high dose of MPA; hypocortisolemia and hypercalcemia then became evident after MPA treatment was discontinued. PMID- 29225248 TI - Reversible Left Ventricular Wall Thickening with Takotsubo Syndrome Sequentially Detected by Cardiac Magnetic Resonance Imaging. AB - Recently, it has been reported that spontaneous left ventricular wall thickening occurs among patients with takotsubo syndrome, which affects the long-term prognosis of such patients due to cerebral and cardiac complications. We herein report two cases of transient left ventricular wall thickening with takotsubo syndrome in which sequential cardiac magnetic resonance imaging revealed the existence of edematous changes in the thickened wall. Notably, a left ventricular aneurysm was detected during the course of ventricular wall thickening and may have played a role in the development of serious complications accompanied by takotsubo syndrome. This is the first case report of left ventricular aneurysm occurring with ventricular wall thickening due to takotsubo syndrome. PMID- 29225249 TI - Acute Tetraparesis with Respiratory Failure after Steroid Administration in a Patient with a Dural Arteriovenous Fistula at the Craniocervical Junction. AB - A 63-year-old man developed vomiting, paraparesis, dysuria, bulbar palsy, and orthostatic hypotension over a period of 5 months. Neuroradiological examinations showed a swollen lower brainstem with a dural arteriovenous fistula at the craniocervical junction (DAVF-CCJ). A steroid was administered intravenously in the hospital to relieve brainstem edema. A few hours later, however, the patient developed acute tetraparesis with respiratory failure. Recently, there have been several reports describing the acute worsening of paraparesis in patients with a spinal dural arteriovenous fistula after steroid treatment. In addition to these reports, the present case suggests the risk of administering steroids to patients with DAVF-CCJ, especially those with brainstem dysfunction. PMID- 29225250 TI - Importance of the Average Glucose Level and Estimated Glycated Hemoglobin in a Diabetic Patient with Hereditary Hemolytic Anemia and Liver Cirrhosis. AB - Glycated hemoglobin (HbA1c) is a widely used marker of glycemic control but can be affected by hemolytic anemia. Glycated albumin (GA) is also affected in patients with liver cirrhosis. We herein report the assessment of glycemic control in a 41-year-old man with dehydrated hereditary stomatocytosis and a PIEZO1 gene mutation complicated by diabetes mellitus and liver cirrhosis due to hemochromatosis. The estimated HbA1c calculated from the average glucose level obtained by continuous glucose monitoring or by self-monitoring of blood glucose was useful for evaluating the glycemic control in this patient, as HbA1c and GA were unreliable due to the coexisting conditions. PMID- 29225251 TI - Successful Treatment of Syndrome of Inappropriate Antidiuretic Hormone Secretion Associated with Neuro-Sweet Disease in Myelodysplastic Syndrome. AB - Sweet disease may occur in several organs, and central nervous system involvement, known as Neuro-Sweet disease (NSD), is rare. The clinical features of NSD include recurrent encephalomeningitis accompanied by fever and erythematous plaques; systemic corticosteroid therapy is highly effective. Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is an important electrolyte abnormality because it can be life-threatening. We describe the first case of SIADH and NSD associated with low-risk myelodysplastic syndrome that was successfully treated with corticosteroids and cyclosporine. The patient has remained stable for 1 year without any recurrence. PMID- 29225252 TI - Reactivation of Hemophagocytic Lymphohistiocytosis Triggered by Antithymocyte Globulin. AB - A 16-year-old boy with Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (HLH) underwent allogeneic hematopoietic stem cell transplantation after conditioning with fludarabine, melphalan, total body irradiation, and rabbit antithymocyte globulin (ATG). A severe, persistent infusion reaction occurred after the initial administration of ATG. Investigations showed a rapid increase in the levels of liver enzymes and ferritin, and the reactivation of HLH was confirmed by marked hemophagocytosis in the bone marrow. Treatment with pulse glucocorticoid therapy resulted in the improvement of HLH. This is the first case of HLH reactivation triggered by ATG. Physicians should therefore be cautious of HLH reactivation, especially when a severe and prolonged infusion reaction occurs. PMID- 29225253 TI - An Analysis of the Neuropathic Pain Components in Rheumatoid Arthritis Patients. AB - Objective To analyze the neuropathic pain (NeP) components in patients with rheumatoid arthritis (RA). Methods The painDETECT questionnaire (PD-Q) was completed by 300 RA patients (79 men, 221 women). Results Nine patients (3.0%) were categorized as likely NeP, 33 (11.0%) were categorized as possible NeP, and 258 (86.0%) were categorized as unlikely NeP. When we excluded patients with diabetes mellitus, spinal diseases, neurological diseases, and herpes zoster infection (conditions associated with NeP), 5 of the patients (1.7%) had likely NeP, and 23 (7.7%) had possible NeP without any underlying conditions. Furthermore, there were no marked differences in the percentages of these underlying conditions among the patients with likely, possible, and unlikely NeP. When we compared patients with likely and possible NeP (n=42) and unlikely NeP (n=258), the body mass index (BMI), disease activity score-28 based on the erythrocyte sedimentation rate, C-reactive protein level, pain visual analogue scale (VAS), and PD-Q score were significantly higher in the patients with likely and possible NeP than in those with unlikely NeP. A multivariate analysis showed that BMI >=22 and not being in clinical remission were associated with NeP. Conclusion Although RA pain has usually been classified as nociceptive pain, the present study clarified that a significant number of patients might have NeP. The present findings suggest that high disease activity and being overweight are related to NeP in RA patients. PMID- 29225254 TI - Observational Study of Infective Endocarditis at a Community-based Hospital: Dominance of Elderly Patients with Comorbidity. AB - Objective The purpose of this study was to present the recent clinical profiles and the real-world management of infective endocarditis (IE). Methods All medical records of patients with IE were reviewed retrospectively for their clinical data, including clinical presentation, laboratory results, blood cultures, echocardiographic findings, treatments and complications. Using the clinical data collected, we calculated the EuroSCORE II, the European risk score for adult cardiac surgery, the Charlson Comorbidity Index as a surrogate of comordibity, and the Katz Index as a surrogate of frailty. Results Thirty-eight patients were identified as having IE (24 men, age: 71.8+/-13.1 years). Congestive heart failure occurred in 16 patients (42%), stroke in 14 (50%), and systemic embolism in 5 (13%). The EuroSCORE II and Charlson Comorbidity Index were high (7.7+/-5.8% and 5.5+/-2.8%, respectively). The Katz Index was fair (5.5+/-1.4) before the onset but deteriorated to 2.8+/-2.7 at the time of establishing the diagnosis of IE (p<0.001). Early surgery was performed in 22 cases (61%). In-hospital death occurred in 10 cases (26%). A EuroSCORE II >=9%, Staphylococcus aureus etiology, and a Charlson Comorbidity Index were suggested as determinants of in-hospital death (hazard ratios: 173.60, 9.31, 1.57, respectively). In contrast, early surgery was suggested as a determinant of the survival (hazard ratio: 0.04). The Charlson Comorbidity Index was also suggested as a determinant for selecting conservative management (odds ratio: 1.40). Conclusion Comorbidity may influence the treatment selection and outcome of elderly patients with IE. PMID- 29225255 TI - Edwardsiella tarda Bacteremia with Psoas and Epidural Abscess as a Food-borne Infection: A Case Report and Literature Review. AB - Edwardsiella tarda is commonly isolated from aquatic environments and a variety of animals. We present the first case of E. tarda bacteremia with psoas and epidural abscess. The patient was a 65-year-old woman with recurrent gastric cancer who had frequently consumed raw fish and grilled eel. She was successfully treated with antimicrobials and surgery. We also review reports published in English regarding E. tarda bacteremia in Japan and the experience at our hospital. On the basis of this review, we conclude that the major underlying disease leading to E. tarda bacteremia is malignancy and that the gastrointestinal tract is the most commonly affected organ. The overall mortality rate due to E. tarda bacteremia in our review was 38.1% (8/21). Although E. tarda bacteremia is rare, clinicians should be aware of this fatal food-borne infection. PMID- 29225257 TI - Isolated Dissection of the Superior Mesenteric Artery. PMID- 29225256 TI - Gastric Adenocarcinoma of the Fundic Gland Type after Endoscopic Therapy for Metachronous Gastric Cancer. AB - A 78-year-old man underwent endoscopic submucosal dissection (ESD) for early gastric adenocarcinoma twice in 2009 and 2014. Between the procedures, he successfully completed Helicobacter pylori eradication therapy. In May 2015, upper endoscopy screening showed two elevated lesions on the gastric fundus, and en bloc resection by ESD was performed. We histopathologically diagnosed the patient to have gastric adenocarcinoma of the fundic gland type. In this case, the two lesions of gastric adenocarcinoma of the fundic gland type multifocally developed after ESD for metachronous gastric tubular adenocarcinoma. Furthermore, they appeared in the gastric fundus, where atrophy had been improved due to eradication therapy. PMID- 29225258 TI - Isolated Cardiac Sarcoidosis Mimicking Arrhythmogenic Right Ventricular Cardiomyopathy. AB - The diagnosis of cardiac sarcoidosis (CS) has become easier due to advances in imaging modalities, but we sometimes encounter difficult-to-diagnose patients. We herein report the case of a 60-year-old Japanese woman who was diagnosed with isolated CS, although she also met the diagnostic criteria of arrhythmogenic right ventricular cardiomyopathy (ARVC). A histological examination by an endomyocardial biopsy of the right ventricle revealed the typical findings of granulomatous change for CS. Although she did not show any characteristics of systemic sarcoidosis, oral prednisolone treatment was introduced, and she achieved a good response. This case shows that the characteristics of CS can overlap with the diagnostic criteria of ARVC, and that a histological examination is essential for the correct diagnosis of CS. PMID- 29225259 TI - The Diagnostic Yield of Urine Cultures with Liquid Media in Cases of Miliary Tuberculosis. PMID- 29225260 TI - Hyperparathyroidism-jaw Tumor Syndrome Confirmed by Preoperative Genetic Testing. AB - We herein report the case of a young woman who was diagnosed with primary hyperparathyroidism and in whom genetic testing confirmed a diagnosis of hyperparathyroidism-jaw tumor syndrome. Familial hyperparathyroidism was suspected based on the patient's young age at the onset of the disease. Thus, genetic testing was performed. It showed a germline mutation in the HRPT2/CDC73 gene and confirmed the diagnosis of hyperparathyroidism-jaw tumor syndrome. Total parathyroidectomy was performed to prevent recurrence. In patients with early onset hyperparathyroidism, genetic testing should be considered to facilitate the selection of a proper surgical procedure based on the consideration of future life expectancy. PMID- 29225261 TI - Isolated Left Atrial Infective Mural Endocarditis. AB - A 52-year-old man presented with a fever and malaise. Transthoracic echocardiogram was performed because of a holosystolic murmur, which showed mitral valve prolapse and a regurgitation jet toward the posterior wall of the left atrium. There was no apparent vegetation at any valves. Blood cultures were positive for Streptococcus mitis/oralis. Transesophageal echocardiogram revealed vegetation only at the posterior wall of the left atrium exposed to the mitral regurgitant jet. We diagnosed this condition as infective mural endocarditis. This case highlighted the need for a detailed observation of the valves and the atrial wall when infective endocarditis is suspected. PMID- 29225262 TI - The Effectiveness of Afatinib in a Patient with Advanced Lung Adenocarcinoma Harboring Rare G719X and S768I Mutations. AB - The uncommon mutations in the EGFR (the epithelial growth factor receptor) gene include a heterogeneous group of genomic alterations within exons 18-21. The clinical response of patients with such mutations to EGFR tyrosine kinase inhibitor (EGFR-TKI) treatment, however, remains unclear. We herein report a case of advanced lung adenocarcinoma harboring complex exon 18 G719X (Gly719Xaa) and exon 20 S768I (Ser768Ile) mutations. The patient started to receive afatinib and has exhibited good response without progression for 12 months. Second-generation EGFR-TKIs might be an optimal treatment option for non-small cell lung cancers harboring these types of rare EGFR mutation. PMID- 29225263 TI - A Phase I/II Study for Dose-finding, and to Investigate the Safety, Pharmacokinetics and Preliminary Efficacy of NK012, an SN-38-Incorporating Macromolecular Polymeric Micelle, in Patients with Multiple Myeloma. AB - Objective Multiple myeloma (MM) is the second most common hematological cancer. An attempt to treat MM using a topoisomerase I inhibitor was made based on our previous non-clinical studies suggesting the usefulness of an SN-38 derivative. Our aim was to conduct a phase I/II study of NK012, a micelle-forming SN-38 conjugate, in patients with relapsed/refractory multiple myeloma (RRMM). Methods NK012 was administered at doses of 12-24 mg/m2 and the safety, pharmacokinetics and preliminary efficacy were evaluated. Results Neutropenia was the most common grade 3 or 4 adverse drug reaction. Grade 4 neutropenia accounted for the majority of dose-limiting toxicities and only appeared at a dose of 24 mg/m2. The maximum concentrations and the area under the concentration-time curves from time zero to infinity for both NK012 and its active metabolite SN-38 increased in a dose-dependent manner. The best overall response was stable disease, which was achieved in 12 out of 16 patients. Conclusion The recommended dose of NK012 monotherapy for RRMM patients was concluded to be 20 mg/m2. However, this phase I/II study was terminated at the end of the phase I stage because no patients showed an objective response. Additional clinical studies of combination therapy with NK012 and other agents are warranted. PMID- 29225264 TI - A Homozygous LAMA2 Mutation of c.818G>A Caused Partial Merosin Deficiency in a Japanese Patient. AB - A complete loss of merosin, which is encoded by LAMA2, causes congenital muscular dystrophy with leukoencephalopathy. Partial merosin deficiency can be caused not only by primarily LAMA2 mutations, but also secondarily by dystroglycanopathy. Although it can be molecularly diagnosed based on a genetic analysis, this method is labor-intensive because of its huge genome size. A 26-year-old male patient presented with mild muscular weakness, joint contractures, and epilepsy. Double immunofluorescence staining of a muscle biopsy specimen showed mislocalization of merosin, and a genetic analysis revealed a homozygous c.818G>A (p.Arg273Lys) mutation in LAMA2. Double immunofluorescence staining and whole exome sequencing were useful for the diagnosis of partial merosin deficiency. PMID- 29225265 TI - Posterior Reversible Encephalopathy Syndrome after Lenvatinib Therapy in a Patient with Anaplastic Thyroid Carcinoma. AB - Posterior reversible encephalopathy syndrome (PRES) is a rare reversible neurological syndrome that causes subcortical vasogenic brain edema and which is associated with the use of target-specific agents. Lenvatinib is a target specific agent that was recently approved for inoperable thyroid cancer. We herein describe the case of a 66-year-old woman with anaplastic thyroid cancer (ATC) who was treated with lenvatinib and who subsequently developed PRES. The clinical and radiological findings improved after suspending therapy for 1 week, and there was no recurrence with intermittent lower-dose lenvatinib treatment. Lenvatinib may prolong survival in patients with ATC and can be administered intermittently, even after PRES onset. PMID- 29225266 TI - Aortic Regurgitation Presenting with Recurrent Detachment of a Prosthetic Valve, as the First Presenting Symptom of Cardiovascular Behcet's Disease. AB - A 33-year-old man with severe aortic regurgitation underwent initial aortic valve replacement (AVR). During the 2 years after AVR, 3 reoperations for prosthetic valve detachment were required. During hospitalization, he had no typical clinical findings, with the exception of a persistent inflammatory reaction; a pseudo-aneurysm around the Bentall graft developed 27 days after the 4th operation. This unique clinical course suggested the possibility of Behcet's disease. In the 8 years of follow-up after the administration of prednisolone, the pseudo-aneurysm did not become enlarged and the detachment of the prosthetic valve was not observed. We herein present a case of cardiovascular Behcet's disease, with a review of the literature. PMID- 29225267 TI - A Rare Combination of Dermatomyositis, Interstitial Pneumonia, and Lung Cancer in a Patient Treated with Immunosuppressive Therapy and Chemotherapy. AB - We herein report the rare case of co-occurring dermatomyositis (DM), interstitial pneumonia (IP), and lung cancer in a 59-year-old man. Computed tomography (CT) and positron emission tomography-CT showed the presence of a left lung tumor with IP, which was diagnosed as lung adenocarcinoma by a CT-guided tumor biopsy. We diagnosed DM based on the presence of myalgia, Gottron's papules, and anti aminoacyl-tRNA synthetase antibody positivity in the patient. Co-occurrence of the above-mentioned three diseases is rare, and acute exacerbation of IP is a major cause of death in such cases. These patients can be treated with immunosuppressive therapy followed by chemotherapy. PMID- 29225268 TI - Lanthanum Deposition in the Stomach in the Absence of Helicobacter pylori Infection. AB - In this case report, we describe two patients who showed a diffusely whitish mucosa in the posterior wall and the lesser curvature of the gastric body. The patients were serologically- and histopathologically-negative for Helicobacter pylori. Random biopsy specimens from the stomach revealed no regenerative changes, intestinal metaplasia, and/or foveolar hyperplasia in either of the patients. Although lanthanum deposition in the gastric mucosa has been reported to occur in close association with H. pylori-associated gastritis, our patients tested negative for H. pylori. These cases suggest that lanthanum deposition presents as whitish lesions in the gastric body in H. pylori-negative patients. PMID- 29225269 TI - Late Relapse after a Sustained Virologic Response at 24 Weeks after Treatment with Daclatasvir and Asunaprevir Combination Therapy for Chronic Hepatitis C Virus Genotype 1b Infection with Liver Cirrhosis. AB - There have been few studies on relapse after a sustained virological response in hepatitis C virus (HCV) patients treated with interferon-free regimens. Thus, the risk of late relapse in patients treated with interferon-free therapy remains unclear. A 67-year-old woman with HCV genotype 1b and liver cirrhosis received oral daclatasvir and asunaprevir. Combination therapy was stopped after 4 weeks because of an episode of encephalopathy. Nonetheless, an HCV polymerase chain reaction at 24 weeks posttreatment was negative. However, HCV ribonucleic acid was detectable at approximately 62 weeks posttreatment. Very late HCV relapses may occur in patients with liver cirrhosis who receive an interferon-free regimen when the treatment period is insufficient. PMID- 29225270 TI - IgA Vasculitis with Simultaneous Cardiopulmonary Involvement. AB - A 60-year-old man with a history of hypertension, type 2 diabetes, and reflux esophagitis was admitted to our hospital with hemoptysis, dyspnea, and leg edema. We diagnosed him with adult IgA vasculitis based on the presence of purpura, elevated serum IgA fibronectin complexes, pathophysiological findings, a skin biopsy showing leukocytoclastic vasculitis, and immunofluorescence studies demonstrating granular IgA and C3 deposits in the blood vessel wall. He showed concurrent cardiopulmonary involvement without involvement of the gastrointestinal system and kidneys, which are commonly affected in IgA vasculitis patients. Following treatment with prednisolone, the patient recovered with improvement in cardiopulmonary manifestations. PMID- 29225271 TI - Clinical Relapse of Anti-AMPAR Encephalitis Associated with Recurrence of Thymoma. AB - We report a rare case of anti-alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) encephalitis presenting clinical relapse in association with recurrence of thymoma. Anti-AMPAR encephalitis is an autoimmune-mediated neurological disease, frequently accompanied by the presence of neoplasms, thus comprising the spectrum of paraneoplastic syndrome. A patient had been in remission for 34 months showed clinical relapse 3 months after the detection of recurrent thymoma. Clinical relapse of anti-AMPAR encephalitis after the recurrence of an initially detected neoplasm has not been previously reported. Our case therefore highlights the pathogenic relevance of specific tumor antigens as a trigger of anti-AMPAR antibody production and induction of the disease. PMID- 29225272 TI - Tumor Emboli from Aortic Metastasis. PMID- 29225273 TI - Acquired Long-QT Syndrome: Mild but Abnormal? PMID- 29225274 TI - Pseudomelanosis Duodeni and Duodenal Polyp. PMID- 29225275 TI - Jackhammer Esophagus Accompanied by Esophageal Intramural Pseudodiverticulosis. PMID- 29225276 TI - Mitral Regurgitation and Heart Failure as the First Presentation in a Patient with Features of Two Connective Tissue Disorders: A Rare Combination of Mucopolysaccharidosis and Osteogenesis Imperfecta? AB - Connective tissue disorders sometimes involve cardiovascular systems. This report describes the case of a middle-aged man with mitral regurgitation and heart failure. He had distinctive features of mucopolysaccharidosis type (MPS) III, but no gene mutations that were known to be associated with MPS. Meanwhile, he had a COL1A2 gene mutation that is associated with osteogenesis imperfecta (OI), and had some features that were compatible with OI. The patient might have had a rare connective tissue disorder with the characteristics of MPS III and OI, which was initially detected as a result of the cardiovascular manifestations. PMID- 29225277 TI - Evaluation of residual monomer release and toxicity of self-adhesive resin cements. AB - The aim of this study was to evaluate the amount of leached residual monomers from self-adhesive resin cements and evaluate their toxicity in-vitro. A total of 60 disk-shaped specimens (5 mm in diameter and 0.5 mm in thickness) were prepared from each cement (RelyX U200, SpeedCEM, G-Cem) (n=20). Specimens were immersed in artificial saliva and the amount of released monomers [urethane dimethacrylate (UDMA) and triethyleneglycol dimethacrylate (TEGDMA)] was identified. Then, the cytotoxicity and genotoxicity effect on cells were evaluated using the defined amounts of released monomers from cements. The highest monomer release was detected in G-Cem (p<0.05). The highest cytotoxicity value was identified from SpeedCEM (p<0.01) and the highest genotoxicity values were calculated from RelyX U200 (p<0.05). Released UDMA and TEGDMA from self-adhesive resin cements induced cytotoxicity and genotoxicity effect on cells. PMID- 29225278 TI - Physiochemical properties and resorption progress of porcine skin-derived collagen membranes: In vitro and in vivo analysis. AB - The aim of the present study was to evaluate the physiochemical properties and resorption progress of two cross-linked, porcine skin-derived collagen membranes and compare their features with those of a membrane without cross-linking (Bio Gide(r) [BG], Geistlich Biomaterials, Wolhusen, Switzerland). Three porcine skin derived collagen membranes, dehydrothermally (DHT) cross-linked (experimental), DHT and 1-ethyl-3(3-dimethylaminopropyl)-carbodiimide (DHT/EDC) cross-linked (experimental) and BG were investigated for their morphology, enzyme resistance, and tensile strength in vitro and biodegradation in vivo. DHT and DHT/EDC membranes exhibited irregular, interconnected macro- and micropores that formed a 3D mesh, whereas BG exhibited individual collagen fibrils interlaced to form coarse collagen strands. In enzyme resistance and tensile strength tests, DHT and DHT/EDC membranes demonstrated good resistance and mechanical properties compared with BG. In vivo, all three membranes were well integrated into the surrounding connective tissue. Thus, the DHT membrane exhibited its potential as a barrier membrane for guided bone and tissue regeneration. PMID- 29225279 TI - Influence of enamel prism orientations on color shifting at the border of resin composite restorations. AB - This study aimed to investigate the influence of enamel prism orientations on color adjustment of resin composite restoration. The color measurements (L*, C*, or h* values) at the restored bovine enamel disk (1.0 mm-thick) with resin composite (Estelite Asteria, Estelite Pro, Kalore, Clearfil Majesty) were performed using a CIE XYZ camera (RC500). The color shifting rate and range at the coronal and cervical border were calculated. The coronal border was significantly lower L* and C* color shifting rate than the cervical border (p<0.05). The L* color shifting range was significantly affected by regions in the 3-mm cavity group (p<0.05), but not in the 1-mm cavity group (p>0.05), while the C* color shifting range was not significantly affected by regions (p>0.05). The coronal enamel border with diagonal-cut of enamel prisms would have an advantage for color adjustment of resin composite restorations compared to the cervical border with longitudinal-cut of enamel prisms. PMID- 29225280 TI - Quaternary ammonium compounds in dental restorative materials. AB - Quaternary ammonium compounds (QACs) have been used widely in medicine, owing to their antimicrobial properties. They also have strong permeability, stable performance, low skin irritation, low toxicity, low corrosion, lasting biological effects and so on, comparing with other antimicrobial agents. At the end of last century, polymerizable quaternary ammonium antimicrobial monomers had been synthesized and applied in dentistry, in order to reduce or prevent microbial biofilm formation on dental materials surfaces. This review aims to discuss the current progress of QACs applied in composite resin, adhesive systems, acrylic resin, glass ionomer cement and endodontic materials, regarding to their antimicrobial potential, mechanical properties, and biocompatibility. PMID- 29225281 TI - Effect of electrolyzed water produced using carbon electrodes on HeLa cell proliferation. AB - We developed electrolyzed water (EW) using carbon electrodes and investigated the ability of the developed EW to inhibit the proliferation of human cervical carcinoma HeLa cells. We observed that EW-containing media inhibited HeLa cell proliferation. Many very small black dots were produced in EW and these were associated with the inhibitory effect on the cell proliferation. Furthermore, the very small black dots that could inhibit cell proliferation were produced only at pH 3 to 3.5 of EW. Additional experiments showed that this inhibition of proliferation is reversible. These results suggest that the effect of EW on HeLa cells is cytostatic and not cytotoxic. Thus, our results indicate that the EW developed in this study may be used to inhibit cell proliretation. PMID- 29225282 TI - The impact of population aging on medical expenses: A big data study based on the life table. AB - This study shed light on the amount and structure of utilization and medical expenses on Shanghai permanent residents based on big data, simulated lifetime medical expenses through combining of expenses data and life table model, and explored the dynamic pattern of aging on medical expenditures. 5 years were taken as the class interval, the study collected and did the descriptive analysis on the medical services utilization and medical expenses information for all ages of Shanghai permanent residents in 2015, simulated lifetime medical expenses by using current life table and cross-section expenditure data. The results showed that in 2015, outpatient and emergency visits per capita in the elderly group (aged 60 and over) was 4.1 and 4.5 times higher than the childhood group (aged 1 14), and the youth and adult group (aged 15-59); hospitalization per capita in the elderly group was 3.0 and 3.5 times higher than the childhood group, and the youth and adult group. People survived in the 60-64 years group, their expected whole medical expenses (105,447 purchasing power parity Dollar) in the rest of their lives accounted for 75.6% of their lifetime. A similar study in Michigan, US showed that the expenses of the population aged 65 and over accounted for 1/2 of lifetime medical expenses, which is much lower than Shanghai. The medical expenses of the advanced elderly group (aged 80 and over) accounted for 38.8% of their lifetime expenses, including 38.2% in outpatient and emergency, and 39.5% in hospitalization, which was slightly higher than outpatient and emergency. There is room to economize in medical expenditures of the elderly people in Shanghai, especially controlling hospitalization expenses is the key to saving medical expenses of elderly people aged over 80 and over. PMID- 29225283 TI - Gene cloning and expression of fungal lignocellulolytic enzymes from the rumen of gayal (Bos frontalis). AB - A total of 6,219 positive clones were obtained by constructing a BAC library of uncultured ruminal fungi of gayal, and two clones (xynF1 and eglF2) with lignocellulolytic enzyme activity were selected. The sequencing results showed that xynF1 and eglF2 had 903-bp, and 1,995-bp, open reading frames likely to encode beta-xylanase (XynF1) and beta-glucosidase (EglF2), respectively. The amino acid sequence of XynF1 had 99% coverage and 95% homology to the endo-beta 1,4-xylanase encoded by the cellulase gene of Orpinomyces sp. LT-3 (GenBank accession No. AEO51791.1). The amino acid sequence of EglF2 had 99% coverage and 93% homology to the beta-glucosidase encoded by the cellulase gene of Piromyces sp. E2 (GenBank accession No. CAC34952.1). Analysis using the SMART software showed that XynF1 contains a glycoside hydrolase family 11 functional module and a carbohydrate-binding module, while EglF2 contains a glycoside hydrolase family 1 functional module. XynF1 showed the highest relative enzymatic activity, up to 95%, at 45 degrees C and pH 4.2, while EglF2 showed the highest relative enzymatic activity, up to 95%, at 55 degrees C and pH 6.2. In this study, we achieved efficient expression of the xynF1 and eglF2 genes in Pichia pastoris, which laid a foundation for the practical application of the lignocellulolytic enzymes. PMID- 29225284 TI - Characterization of extracellular matrix components from the desiccation-tolerant cyanobacterium Nostoc commune. AB - The terrestrial cyanobacterium Nostoc commune forms macroscopic colonies in its natural habitats, and these colonies consist of both cellular filaments and massive extracellular matrixes. In this study, the biochemical features of the extracellular matrix components were investigated. Naturally growing N. commune was tolerant to desiccation, and produced massive extracellular polysaccharides that contained both neutral sugars and glucuronic acid as constituent monosaccharides. The extracellular polysaccharide contents and desiccation tolerance were compared in laboratory culture strains of Nostoc species. The laboratory culture of N. commune strain KU002 was sensitive to desiccation and produced smaller amounts of extracellular polysaccharides, unlike the field isolated naturally growing colonies. Nostoc punctiforme strain M-15, which is genetically closed to N. commune, was able to tolerate desiccation, although the other Nostoc strains were desiccation-sensitive. A laboratory culture strain of the aquatic cyanobacterium Nostoc sphaericum produced massive extracellular polysaccharides but was sensitive to desiccation, suggesting that extracellular matrix production is not enough to make this strain tolerant to desiccation. WspA (water stress protein) and SodF (superoxide dismutase) were found to be characteristic protein components of the extracellular matrix of N. commune. Because the WspA proteins were heterogeneous, the wspA genes were highly diverse among the different genotypes of N. commune, although the sodF gene was rather conservative. The heterogeneity of the WspA proteins suggests their complex roles in the environmental adaptation mechanism in N. commune. PMID- 29225286 TI - J. Gen. Appl. Microbiol., 62, 266-271 (2016) doi 10.2323/jgam.2016.04.001. PMID- 29225285 TI - Evaluation of probiotic and prebiotic-like effects of Bacillus subtilis BN on growth of lactobacilli. AB - The aim of this study was to determine the probiotic and the prebiotic-like properties of Bacillus subtilis BN, a spore-forming bacterium, also known as "natto-kin", which is used for making the Japanese fermented food, natto. We used the spores and vegetative cells of this strain and compared their effects on the growth of lactobacilli. Culture supernatant from B. subtilis BN was added to a glucose-free MRS medium used to culture lactobacilli. When lactobacilli were cultured in the supernatant-containing medium, growth was improved. This effect resulted from the digestion of starch by amylase, which was secreted by B. subtilis. Moreover, improved amylase-independent growth was also observed. Co culture with B. subtilis improved the growth of lactobacilli, and this effect was only observed with vegetative cells; spores did not improve the growth of lactobacilli. This effect on growth was lost upon heat treatment of the vegetative cells. These results suggest that the surface protein of B. subtilis BN vegetative cells participates in the improved growth effect of lactobacilli. It is possible that B. subtilis BN could improve the intestinal flora. In addition, B. subtilis BN inhibited the growth of Salmonella enterica. Thus, it was shown that B. subtilis BN has both a probiotic and prebiotic potential. This is the first study demonstrating the selective growth improvement of indigenous intestinal lactobacilli using B. subtilis BN. PMID- 29225287 TI - Lysogenisation of Shiga toxin-encoding bacteriophage represses cell motility. AB - Bacteriophages are genetic elements that play key roles in the evolution and diversification of bacterial genomes. The Shiga toxin (Stx)-encoding phage plays an important role in the horizontal transfer of the stx gene. However, the influence of the Stx phage integration on the physiological properties and gene expression pattern of the host have not been clearly resolved. In this study, we constructed the Sp5 lysogen through lysogenisation of E. coli K-12 by Sp5, an Stx2 phage in enterohaemorrhagic E. coli (EHEC) O157:H7 Sakai, and examined the effect of the resulting lysogen on cell motility under various growth conditions. Sp5 lysogenisation decreased cell motility and the expression of fliC, which encodes flagellin, under anaerobic conditions at 37 degrees C. Sp5 also lowered the expression of fliA, which encodes the FliA-sigma factor responsible for the transcription of fliC, and flhD, which facilitates the expression of fliA. Sp5 lysogenisation reduced the amount of FlhD and FlhC expressed from the araBAD promoter, suggesting that one or more genes present in Sp5 represses flhDC at the post-transcriptional level. Flagellin is highly antigenic and triggers an immune response in the host. Thus, Sp5 might enhance its viability by repressing the expression of the flagellar regulon to circumvent the immune response of host cells. PMID- 29225288 TI - [Microglia and cellular differentiation - possibility of microglia as drug discovery target]. PMID- 29225289 TI - [Heart repair using direct cardiac reprogramming]. PMID- 29225290 TI - [Neural differentiation from induced pluripotent stem cells for disease modelling and drug discovery]. PMID- 29225291 TI - [Novel function of axon guidance molecule as a regulator of tumor microenvironment]. PMID- 29225292 TI - [Experimental techniques for animal models of retinal vein occlusion in mice]. PMID- 29225293 TI - [Involvement of G-quadruplexes in neurodegenerative diseases]. PMID- 29225294 TI - [Chinese Journal of Nuclear Medicine and Molecular Imaging Volume 37, Number 11, November 25, 2017]. PMID- 29225295 TI - Effect of Smoking Status on Monocyte Tissue Factor Activity, Carotid Atherosclerosis and Long-Term Prognosis in Metabolic Syndrome. AB - BACKGROUND: Smoking increases the risk of atherothrombotic events. Tissue factor (TF) mainly expressed on monocytes plays an important role in thrombosis and atherosclerosis. Metabolic syndrome (MetS) is being increasingly recognized as a major atherothrombotic risk factor, but the effects of smoking on monocyte TF activity (MTFA), carotid atherosclerosis estimated on carotid intima-media thickness (CIMT), and long-term prognosis in MetS remain unclear.Methods and Results:A total of 301 MetS patients lacking any known cardiovascular disease were prospectively investigated and classified into 4 groups according to smoking status at entry and at 12 months as follows: never smokers, past smokers, quitters, and persistent smokers. Peripheral blood mononuclear cells (PBMC) were isolated, and MTFA was measured using a coagulation assay. Linear trends for higher baseline MTFA and CIMT were observed among persistent smokers, quitters, and past smokers compared with never smokers. At 12 months, MTFA and CIMT decreased in never and past smokers and quitters but increased in persistent smokers. Six acute myocardial infarctions and 8 strokes occurred during a median follow-up of 66.0 months. Persistent smoking was associated with an increased risk of events (P<0.001). CONCLUSIONS: Smoking is associated with upregulated MTFA and progression of CIMT, which may be related to the risk of atherothrombotic events in MetS patients. PMID- 29225296 TI - Who Will Achieve Stable Anticoagulation Therapy With Warfarin? PMID- 29225297 TI - Body-Mass Index and Pancreatic Cancer Incidence: A Pooled Analysis of Nine Population-Based Cohort Studies With More Than 340,000 Japanese Subjects. AB - BACKGROUND: A high body mass index (BMI) has been proposed as an important risk factor for pancreatic cancer. However, this association of BMI with pancreatic cancer risk has not been confirmed in Asian populations. METHODS: We evaluated the association between BMI (either at baseline or during early adulthood) and pancreatic cancer risk by conducting a pooled analysis of nine population-based prospective cohort studies in Japan with more than 340,000 subjects. Summary hazard ratios (HRs) were estimated by pooling study-specific HRs for unified BMI categories with a random-effects model. RESULTS: Among Japanese men, being obese at baseline was associated with a higher risk of pancreatic cancer incidence (>=30 kg/m2 compared with 23 to <25 kg/m2, adjusted HR 1.71; 95% confidence interval [CI], 1.03-2.86). A J-shaped association between BMI during early adulthood and pancreatic cancer incidence was seen in men. In contrast, we observed no clear association among women, although there may be a positive linear association between BMI at baseline and the risk of pancreatic cancer (per 1 kg/m2, adjusted HR 1.02; 95% CI, 1.00-1.05). CONCLUSIONS: Pooling of data from cohort studies with a considerable number of Japanese subjects revealed a significant positive association between obesity and pancreatic cancer risk among men. This information indicates that strategies that effectively prevent obesity among men might lead to a reduced burden of pancreatic cancer, especially in Asian populations. PMID- 29225299 TI - Predictors of a Persistent Status of Pulmonary Vein Electrical Isolation by a Cryoballoon Application for Drug-Refractory Atrial Fibrillation. AB - BACKGROUND: Pulmonary vein isolation (PVI) using a cryoballoon (CB) is utilized for treating atrial fibrillation. This study aimed to assess the effect of the procedural characteristics of CB-based PVI (CB-PVI) on late PV reconnections.Methods and Results:A total of 389 consecutive patients underwent the CB-PVI as their index procedure; 45 consecutive patients underwent re-do procedures (184+/-87 days after the index CB-PVI). A total of 146 of 178 PVs (82%) remained isolated. The occlusion grade was evaluated in 171 PVs. Complete PV occlusion by the CB (grade 4) was obtained in 122 of 171 PVs (71%) during the index CB-PVI and the PVI status was maintained in 111 PVs (91%). Among the remaining 49 CB-PVIs without complete PV occlusion (grades 1-3), 20 PVs (41%) had late PV reconnections despite successful PVI during the index CB-PVI. A "pull down maneuver" was performed in 20 PVs because of leakage of blood at the inferior aspect of the PVs, and all those PVs with a successful pull-down maneuver maintained their PVI status. A multivariate analysis demonstrated that the presence of complete PV occlusion was the only independent predictor for persistence of PVI. CONCLUSIONS: The occlusion grade was a reliable predictor of the long-term durability of PVI. PMID- 29225298 TI - Long-term Impact of Cardiorespiratory Fitness on Type 2 Diabetes Incidence: A Cohort Study of Japanese Men. AB - BACKGROUND: We sought to examine the association between cardiorespiratory fitness (CRF) and incidence of type 2 diabetes considering the follow-up period in a cohort of Japanese men with a maximum follow-up period of 23 years. METHODS: This study enrolled 7,804 male workers free of diabetes in 1986. CRF was measured using a cycle ergometer, and maximal oxygen uptake was estimated. During 1986 2009, participants were followed for development of type 2 diabetes, which was diagnosed using fasting blood tests, self-administered questionnaires, or oral glucose tolerance tests after urinary tests from annual health checkups. Hazard ratios for the incidence of type 2 diabetes were estimated using Cox proportional hazards models. RESULTS: During the follow-up period, 1,047 men developed type 2 diabetes. In analyses by follow-up periods (1986-1993, 1994-2001, and 2002-2009), there was an inverse dose-response relationship between CRF and the development of type 2 diabetes for all three follow-up periods (P for trend 0.019, <0.001, and 0.001, respectively), and the association between CRF at baseline and the incidence of type 2 diabetes did not weaken with longer follow-up period. Compared with the lowest CRF group, hazard ratios of developing type 2 diabetes were 0.69 (95% confidence interval [CI], 0.49-0.97) for the highest CRF group in 1986-1993, 0.57 (95% CI, 0.42-0.79) for the highest CRF in 1994-2001, and 0.47 (95% CI, 0.30-0.74) for the highest CRF in 2002-2009. CONCLUSION: High CRF is associated with a lower risk of the incidence of type 2 diabetes over an extended period of >20 years among men. PMID- 29225300 TI - Metabolomic Analysis in Heart Failure. AB - It is thought that at least 6,500 low-molecular-weight metabolites exist in humans, and these metabolites have various important roles in biological systems in addition to proteins and genes. Comprehensive assessment of endogenous metabolites is called metabolomics, and recent advances in this field have enabled us to understand the critical role of previously unknown metabolites or metabolic pathways in the cardiovascular system. In this review, we will focus on heart failure and how metabolomic analysis has contributed to improving our understanding of the pathogenesis of this critical condition. PMID- 29225301 TI - Paralysis of the Rectus Abdominis Muscle after a Video-Assisted Thoracoscopic Surgery. AB - The rectus abdominis muscle is innervated by intercostal nerves T7-T12, and most thoracotomies are performed through the fourth to sixth intercostal spaces, so direct nerve damage to the rectus abdominis seems unlikely. However, at least one trocar is inserted below the seventh intercostal space in most multi-port video assisted thoracoscopic surgeries (VATSs), and injury of the seventh or lower intercostal nerve with related paralysis of the rectus abdominis is possible, albeit rare. Only two cases of rectus abdominis paralysis caused by after VATSs have been reported, and these cases were not permanent injuries. This is the first report of permanent paralysis of the rectus abdominis after VATSs. PMID- 29225302 TI - Role of Surgery in the Treatment of Masaoka Stage IVa Thymoma. AB - PURPOSE: To analyze the role of surgery in patients with Masaoka stage IVa thymoma treated with multimodality therapy. METHODS: Of 191 patients undergoing surgery for thymoma in our department between January 2002 and December 2015, 39 (20.4%) had Masaoka stage IVa. Histopathological tumor type, myasthenic status of the Osserman-Genkins score, Masaoka stage at the first surgery, neoadjuvant treatment, number and type of surgeries, and survival rates were recorded. RESULTS: Thymoma B2 was the most common histopathological tumor type (n = 16, 41%). Twenty-six (66.7%) patients underwent primary surgeries for Masaoka stage IVa thymoma, whereas nine (23.1%) underwent secondary surgeries and four (10.3%) underwent tertiary surgeries for pleural or pericardial recurrences. Median survival was 132 +/- 25 (82-181; 95% confidence interval [CI]) months. Overall 3 , 5-, and 10-year survival rates were 93%, 93%, and 56%, respectively. CONCLUSION: Surgical treatment should be considered as a completion modality to oncological therapy and has the potential to provide long-term survival of Masaoka stage IVa in patients with thymoma. The type of surgery should be determined based on the invasiveness of the lesion. PMID- 29225303 TI - Evaluation of heat stress response in crossbred dairy cows under tropical climate by analysis of heart rate variability. AB - The present study aims to examine the effect of tropical temperatures on autonomic nervous activity in Cambodian dairy cattle by analyzing heart rate variability (HRV). Holter-type electrocardiograms were recorded in adult crossbred cows (Cambodian native * Holstein) either in a sheltered area or under direct sunlight. Rectal temperatures and heart rates increased in animals under direct sunlight as compared to those in the shelter. The power spectral analysis of HRV revealed that three out of the five cows studied underwent a decrease in parasympathetic nervous activity under direct sunlight with the remaining two cows showing no apparent change. The HRV analysis would prove to be a useful tool to reveal information about heat tolerance in dairy cows. PMID- 29225304 TI - Investigation of the synergistic effects of haloperidol combined with Calculus Bovis Sativus in treating MK-801-induced schizophrenia in rats. AB - Clinical studies that focused on treating schizophrenia showed that Calculus Bovis Sativus (CBS), a substitute of Calculus Bovis, when used in combination with haloperidol could significantly lower the dosage of haloperidol compared with treatment with haloperidol alone, whereas efficacy was maintained. The aim of this study was to investigate the synergetic anti-schizophrenia effects in rats using CBS in combination with haloperidol. An open field test was conducted to verify the pharmacodynamic effects of a combination treatment of CBS and haloperidol on MK-801-induced schizophrenic rats. Rat plasma concentrations of intragastric haloperidol and intravenous haloperidol were determined after oral administration of a single dose or 1-week of pretreatment with CBS (50 mg/kg). The pharmacodynamic data showed a significant decrease in locomotor activity and an increase in the percentage of the central distance when haloperidol was concomitantly administered with CBS compared with haloperidol administration alone. The AUC0-infinity and Cmax of haloperidol in the orally coadministered groups were significantly higher compared with the oral treatment with haloperidol alone. In conclusion, oral coadministration of CBS with haloperidol resulted in a synergistic effect in rats. The enhanced oral bioavailability of haloperidol when combined with CBS might be attributed to the interaction between them. PMID- 29225305 TI - The past, present, and future of disease-modifying therapies for Alzheimer's disease. AB - The development of disease-modifying therapies for Alzheimer's disease (AD) is an urgent issue. Progress in the understanding of AD pathophysiology based on the amyloid hypothesis has led to the development of numerous candidate disease modifying therapies over the past 15 years. The therapeutic target, amyloid beta (Abeta), starts to accumulate in AD brains long before the onset of cognitive decline. gamma-secretase inhibitors, gamma-secretase modulators, and beta secretase inhibitors aim to reduce the production of toxic Abeta species by modifying the processing of amyloid precursor protein. Another strategy is to eliminate accumulated Abeta by active or passive immunotherapeutic approaches. Therapeutic strategies targeting tau protein are also currently emerging. Despite these efforts, successful disease-modifying therapies for AD have not yet been developed. Recently, very early interventional trials targeting preclinical stages of AD have begun; the paradigm shift in AD therapies from cure to prevention could be key to the success of disease modification. PMID- 29225308 TI - Evaluation of radioactivity in the bodies of mice induced by neutron exposure from an epi-thermal neutron source of an accelerator-based boron neutron capture therapy system. AB - This study aimed to evaluate the residual radioactivity in mice induced by neutron irradiation with an accelerator-based boron neutron capture therapy (BNCT) system using a solid Li target. The radionuclides and their activities were evaluated using a high-purity germanium (HP-Ge) detector. The saturated radioactivity of the irradiated mouse was estimated to assess the radiation protection needs for using the accelerator-based BNCT system. 24Na, 38Cl, 80mBr, 82Br, 56Mn, and 42K were identified, and their saturated radioactivities were (1.4 +/- 0.1) * 102, (2.2 +/- 0.1) * 101, (3.4 +/- 0.4) * 102, 2.8 +/- 0.1, 8.0 +/- 0.1, and (3.8 +/- 0.1) * 101 Bq/g/mA, respectively. The 24Na activation rate at a given neutron fluence was found to be consistent with the value reported from nuclear-reactor-based BNCT experiments. The induced activity of each nuclide can be estimated by entering the saturated activity of each nuclide, sample mass, irradiation time, and proton current into the derived activation equation in our accelerator-based BNCT system. PMID- 29225306 TI - What do eye movements tell us about patients with neurological disorders? - An introduction to saccade recording in the clinical setting. AB - Non-invasive and readily implemented in the clinical setting, eye movement studies have been conducted extensively not only in healthy human subjects but also in patients with neurological disorders. The purpose of saccade studies is to "read out" the pathophysiology underlying neurological disorders from the saccade records, referring to known primate physiology. In the current review, we provide an overview of studies in which we attempted to elucidate the patterns of saccade abnormalities in over 250 patients with neurological disorders, including cerebellar ataxia and brainstem pathology due to neurodegenerative disorders, and what they tell about the pathophysiology of patients with neurological disorders. We also discuss how interventions, such as deep brain stimulation, affect saccade performance and provide further insights into the workings of the oculomotor system in humans. Finally, we argue that it is important to understand the functional significance and behavioral correlate of saccade abnormalities in daily life, which could require eye tracking methodologies to be performed in settings similar to daily life. PMID- 29225309 TI - Cell size for commitment to cell division and number of successive cell divisions in multicellular volvocine green algae Tetrabaena socialis and Gonium pectorale. AB - Volvocine algae constitute a green algal lineage comprising unicellular Chlamydomonas, four-celled Tetrabaena, eight to 32-celled Gonium, and others up to Volvox spp., which consist of up to 50,000 cells. These algae proliferate by multiple fissions with cellular growth up to several fold in size and subsequent successive cell divisions. Chlamydomonas reinhardtii cells produce two to 32 daughter cells by one to five divisions, depending on cellular growth in the G1 phase. By contrast, in this study, we found that Tetrabaena socialis and Gonium pectorale cells mostly produced four and eight daughter cells by two and three successive divisions, respectively. In contrast to C. reinhardtii, which is committed to cell division when the cell has grown two-fold, T. socialis and G. pectorale are committed only when the cells have grown four- and eight-fold, respectively. Thus, our results suggest that evolutionary changes in cellular size for commitment largely contributes to the emergence and evolution of multicellularity in volvocine algae. PMID- 29225310 TI - Molecular chirality: A new approach from a dynamical point of view. AB - The double minimum potential (DMP), which Hund assumed to explain the quantum mechanical stability of enantiomers, was discussed, by citing three typical examples of DMP: inversion, internal rotation, and puckering. They expanded the classical scope of chirality, as defined by Kelvin, and indicated that a new bridge could be formed between the three low-frequency DMP modes and the asymmetric syntheses of chiral molecules. PMID- 29225307 TI - Millisecond Ca2+ dynamics activate multiple protein cascades for synaptic vesicle control. AB - For reliable transmission at chemical synapses, neurotransmitters must be released dynamically in response to neuronal activity in the form of action potentials. Stable synaptic transmission is dependent on the efficacy of transmitter release and the rate of resupplying synaptic vesicles to their release sites. Accurate regulation is conferred by proteins sensing Ca2+ entering through voltage-gated Ca2+ channels opened by an action potential. Presynaptic Ca2+ concentration changes are dynamic functions in space and time, with wide fluctuations associated with different rates of neuronal activity. Thus, regulation of transmitter release includes reactions involving multiple Ca2+ dependent proteins, each operating over a specific time window. Classically, studies of presynaptic proteins function favored large invertebrate presynaptic terminals. I have established a useful mammalian synapse model based on sympathetic neurons in culture. This review summarizes the use of this model synapse to study the roles of presynaptic proteins in neuronal activity for the control of transmitter release efficacy and synaptic vesicle recycling. PMID- 29225311 TI - Inhibition of Oxidative Stress by Antioxidant Supplementation Does Not Limit Muscle Mitochondrial Biogenesis or Endurance Capacity in Rats. AB - The objective of the present study was to analyze the activation and expression patterns of upstream and downstream factors of PGC-1alpha to determine whether antioxidant (AO) supplementation inhibits mitochondrial biogenesis in skeletal muscles as an adaptation to endurance training, as well as to analyze changes in endurance capacity based on such findings. For this objective, 24 male Sprague Dawley (SD) rats were allocated into 4 groups (vehicle-sedentary, V-Sed; vehicle exercise, V-EX; antioxidant-sedentary, AO-Sed; antioxidant-exercise, AO-EX) of 6 rats each. The rats were then treated with vitamin C (500 mgkg-1 body weightd-1) or a placebo for 8 wk, and a swimming program was implemented in some rats during the last 4 wk of this period. Immediately after the last training session, blood was collected from the tail of each rat, and TBARS was measured to test the effect of vitamin C as an AO. As a result, increased oxidative stress from exercise was inhibited by vitamin C supplementation. Analysis of whether reduced oxidative stress by vitamin C supplementation also inhibited mitochondrial biogenesis within skeletal muscles showed that phosphorylation of p38 MAPK and AMPK, along with levels of PGC-1alpha, NRF-1, mtTFA, and mitochondrial electron transport enzymes, increased after endurance training in spite of vitamin C supplementation. Moreover, running time, distance, and total work increased significantly in the exercise group as compared to those in the sedentary group, regardless of vitamin C supplementation. These results indicate that mitochondrial biogenesis and endurance capacity increase as a result of endurance training, regardless of AO supplementation. PMID- 29225312 TI - Prevalence and Trends of Vitamin D Deficiency among Iranian Adults: A Longitudinal Study from 2001-2013. AB - Vitamin D deficiency/insufficiency is currently considered to be a re-emerging public health problem globally. This study was designed to determine the prevalence of vitamin D deficiency and insufficiency and to investigate its trend from 2001 to 2013 in a longitudinal study of Iranian adults. This study was part of a population-based, longitudinal ongoing study of Iranian healthy adults aged 35 y and older at baseline. Serum vitamin D level was assessed in a sub-sample of 370 subjects, who were apparently healthy at the time of recruitment in 2001 and were free from MetS, in three phases (2001, 2007 and 2013) during the 12-y study period. Adjusted prevalence and trend of vitamin D deficiency were calculated. Mean serum vitamin D levels increased over the time of the study (52.12, 54.27 and 62.28 nmol/L, respectively) and the prevalence of vitamin D deficiency decreased (30.5, 27.0 and 24.4, respectively). However, the prevalence of vitamin D insufficiency did not change over this time period. The risk of vitamin D deficiency decreased significantly in 2007 [OR: 0.73 (95% CI: 0.53, 0.99)] and 2013 [OR: 0.50 (95% CI: 0.36, 0.70)] compared to the baseline. The present study demonstrated some improvement in serum vitamin D levels, while the prevalence of vitamin D inadequacy was still high. Considering the possible health consequences of vitamin D deficiency, there is an urgent need for developing population-wide strategies, such as supplementation and fortification, to prevent or control vitamin D deficiency. PMID- 29225313 TI - Ingestion of Coffee Polyphenols Improves a Scaly Skin Surface and the Recovery Rate of Skin Temperature after Cold Stress: A Randomized, Controlled Trial. AB - Coffee polyphenols (CPPs) derived from coffee beans have beneficial effects on blood pressure and vascular endothelial function. In addition, CPPs suppress ultraviolet light induced erythema. However, the effects of CPPs on dry skin and cutaneous vascular function have not been clarified. We investigated the effects of CPPs on dry skin and the recovery rate (RR) of skin temperature after a cold stress test as a measure of vascular function in subjects with visible scaliness in a double-blind, placebo-controlled, randomized study. The subjects were divided into two groups, the CPP group and the Placebo group. In the CPP group, the subjects ingested a beverage containing 297.8 mg CPPs every day for 4 wk. The degree of skin dryness was assessed quantitatively using a Visioscan to evaluate skin scaliness and smoothness. A subjective evaluation using a visual analog scale (VAS) of skin smoothness was also used. As a result, the scaliness and smoothness of cheek skin was significantly improved after 4 wk in the CPP group compared to the Placebo group. The improvements of the VAS score on 'skin smoothness' and the RR were also observed in the CPP group but the difference was not statistically significant. However, when the CPP group was divided into subgroups of high RR and low RR, the improvement of the RR was significant in the low RR subgroup. In conclusion, our results suggest that CPPs improve skin scaliness and play a role in cutaneous blood flow regulation after cold stress. PMID- 29225314 TI - Validity and Reliability of a General Nutrition Knowledge Questionnaire for Japanese Adults. AB - Nutrition knowledge is necessary for individuals to adopt appropriate dietary habits, and needs to be evaluated before nutrition education is provided. However, there is no tool to assess general nutrition knowledge of adults in Japan. Our aims were to determine the validity and reliability of a general nutrition knowledge questionnaire for Japanese adults. We developed the pilot version of the Japanese general nutrition knowledge questionnaire (JGNKQ) and administered the pilot study to assess content validity and internal reliability to 1,182 Japanese adults aged 18-64 y. The JGNKQ was further modified based on the pilot study and the final version consisted of 5 sections and 147 items. The JGNKQ was administered to female undergraduate Japanese students in their senior year twice in 2015 to assess construct validity and test-retest reliability. Ninety-six students majoring in nutrition and 44 students in other majors who studied at the same university completed the first questionnaire. Seventy-five students completed the questionnaire twice. The responses from the first questionnaire and both questionnaires were used to assess construct validity and test-retest reliability, respectively. The students in nutrition major had significantly higher scores than the students in other majors on all sections of the questionnaire (p=0.000); therefore, the questionnaire had good construct validity. The test-retest reliability correlation coefficient value of overall and each section except "The use of dietary information to make dietary choices" were 0.75, 0.67, 0.67, 0.68 and 0.61, respectively. We suggest that the JGNKQ is an effective tool to assess the nutrition knowledge level of Japanese adults. PMID- 29225315 TI - Comparison of the Effects of Three Tea Cultivars (Camellia sinensis L.) on Nitric Oxide Production and Aortic Soluble Guanylate Cyclase Expression in High-Salt Diet-Fed Spontaneously Hypertensive Rats. AB - Studies have suggested that the consumption of green tea reduces the risk of cardiovascular diseases. Although epigallocatechin gallate (EGCG) is the best studied active substance characteristic of green tea, previous results on EGCG do not appear sufficient to explain completely the mechanism of cardiovascular protection by green tea. Therefore, we investigated the effect of three different tea cultivars, "Yabukita," "Sofu," and "Sunrouge," which have characteristic flavonoid compositions, on the nitric oxide (NO) production and the related protein expression in the aorta of spontaneously hypertensive rats (SHRs) fed a high-salt diet. As a result, the reduction of urinary NO metabolite (NOx) levels, which reflect whole-body NO production, caused by the high-salt diet were significantly prevented by all three tea infusions. The improvement of NOx reduction in the tea-intake groups was unlikely to be caused by the changes in oxidative damage. On the other hand, as a partial effect, only "Yabukita" or "Sofu" increased the expression of the soluble guanylate cyclase, a receptor for NO, in the thoracic aorta. In the present study, the differences in the composition of these three cultivars led to partially different effects on NO signaling in SHRs, suggesting the physiological significance of subdominant ingredients besides EGCG. PMID- 29225316 TI - Milk Basic Protein Facilitates Increased Bone Mass in Growing Mice. AB - Milk basic protein (MBP) comprises a group of basic whey proteins and is effective in preventing bone loss by promoting bone deposition (bone formation) and suppressing withdrawn (bone resorption). We previously revealed the bone protective effects of MBP during life phases involving excessive bone resorption, such as in adults and postmenopausal women, and in animal models (ovariectomized rats and mice). However, it was unclear whether MBP increases bone mass during the growth stage, when there is more bone formation than resorption. We therefore investigated the effect of MBP supplementation on bone mass in 6-wk-old mice provided water supplemented with MBP [0.01%, 0.1%, 1.0% (w/w)] or deionized water (control) ad libitum for 10 wk. Analysis by micro-computerized tomography showed that MBP significantly increased tibia cortical bone mineral density and femur trabecular bone volume to tissue volume compared with mice provided deionized water. Next, the function of MBP in bone remodeling (bone formation and resorption) was evaluated using an in vitro system and the results demonstrated that MBP directly promoted osteoblast proliferation and inhibited osteoclastogenesis. Moreover, the plasma level of insulin-like growth factor-1 was increased by MBP supplementation, suggesting that MBP indirectly promoted osteoblast proliferation/differentiation. These effects enhance bone formation and/or inhibit bone resorption, resulting in increased bone mass in growing mice. PMID- 29225317 TI - Pre-Exercise High-Fat Diet for 3 Days Affects Post-Exercise Skeletal Muscle Glycogen Repletion. AB - Previous studies have shown that the short-term intake of a high-fat diet (HFD) impairs glucose metabolism. In this study, we investigated the influences of pre exercise HFD intake for 3 d on post-exercise glycogen repletion in skeletal muscle in ICR mice. Mice received either an HFD (57% kcal from fat, 23% kcal from carbohydrate; HFD group) or standard laboratory chow (13% kcal from fat, 60% kcal from carbohydrate; Con group) for 3 d before exercise. Mice performed treadmill running at 25 m/min for 60 min and were orally administered a glucose (2 mg/g body weight) solution immediately after and at 60 min after exercise. A negative main effect of pre-exercise HFD intake was observed for skeletal muscle glycogen concentration from the pre-exercise phase to 120 min of post-exercise recovery (p<0.01). Blood glucose concentration in the HFD group was significantly higher than in the Con group at 120 min after exercise (p<0.01). No significant difference was observed in plasma insulin concentration. There were no significant between-group differences in the phosphorylation state of Akt Thr308, AMPK Thr172, AS160 Thr642, or glycogen synthase Ser641 or in glucose transporter 4 protein levels during post-exercise recovery. Our results suggest that the intake of a pre-exercise HFD for 3 d affects post-exercise glycogen repletion in skeletal muscle without impairing the insulin signaling cascade. PMID- 29225318 TI - Caffeine-Stimulated Intestinal Epithelial Cells Suppress Lipid Accumulation in Adipocytes. AB - Caffeine is a methylxanthine derived from plant foods such as coffee beans and tea leaves, and has multiple biological activities against physiological response and several diseases. Although there are some reports about the direct effect of caffeine against anti-lipid accumulation in vitro, the effect of caffeine on lipid accumulation in adipocytes through stimulating intestinal epithelial cells is unknown. Since direct treatment with caffeine to 3T3-L1 cells did not affect lipid accumulation, we determined whether caffeine-stimulated intestinal epithelial Caco-2 cells influence the lipid accumulation in 3T3-L1 adipocytes. Caco-2 cells were cultured on a transwell insert with or without caffeine for 24 h. Subsequently, the basolateral component of the Caco-2 cell culture on the transwell was collected and termed caffeine-conditioning medium (CCM). When 3T3 L1 adipocytes were incubated with CCM, CCM decreased lipid accumulation and suppressed gene expression of proliferator activated receptor (PPAR) gamma and CCAAT/enhancer binding protein (C/EBP) alpha in 3T3-L1 adipocytes. Furthermore, CCM decreased the expression of C/EBPbeta and C/EBPdelta at the protein level, but not at the mRNA level. We observed that a proteasome inhibitor, MG132, inhibited CCM-caused down-expression of C/EBPbeta and C/EBPdelta proteins, and that CCM promoted the ubiquitination level of C/EBPbeta and C/EBPdelta proteins. Protein microarray analysis showed caffeine suppresses the secretion of inflammatory cytokines, interleukin-8 and plasminogen activator inhibitor-1 from Caco-2 cells. These results suggest that caffeine indirectly suppresses lipid accumulation in 3T3-L1 adipocytes through decreasing secretion of inflammatory cytokines from Caco-2 cells. PMID- 29225319 TI - Effects of Aerobic Exercise Combined with Panaxatriol Derived from Ginseng on Insulin Resistance and Skeletal Muscle Mass in Type 2 Diabetic Mice. AB - Insulin resistance reduces insulin-induced muscle protein synthesis and accelerates muscle protein degradation. Ginseng ingestion has been reported to improve insulin resistance through the phosphoinositide 3-kinase (PI3K)/Akt signaling pathway. We hypothesized that panaxatriol (PT) derived from ginseng in combination with aerobic exercise (EX) may further promote protein synthesis and suppress protein degradation, and subsequently maintain muscle mass through the amelioration of insulin resistance. KKAy insulin-resistant mice were divided into control, panaxatriol only (PT), exercise only (EX), and EX+PT groups. EX and EX+PT ran on the treadmill for 45 min at 15 m/min 5 d/wk for 6 wk. PT and EX+PT groups were fed a standard diet containing 0.2% PT for 6 wk. Homeostasis model assessment for insulin resistance (HOMA-R) values was significantly improved after exercise for 6 wk. Moreover, EX+PT mice showed improved HOMA-R as compared to EX mice. p70S6K phosphorylation after a 4 h fast was significantly higher in EX than in the non-exercise control, and it was higher in EX+PT mice than in EX mice. Atrogin1 mRNA expression was significantly lower in EX than in the non exercise control, and was significantly lowered further by PT treatment. EX and EX+PT mice showed higher soleus muscle mass and cross-sectional area (CSA) of the soleus myofibers than control animals, with higher values noted for both parameters in EX+PT than in EX. These results suggest that aerobic exercise and PT ingestion may contribute to maintain skeletal muscle mass through the amelioration of insulin resistance. PMID- 29225321 TI - Errata. PMID- 29225320 TI - Combination Effect of delta-Tocotrienol and gamma-Tocopherol on Prostate Cancer Cell Growth. AB - Tocotrienols (T3s) and tocopherols (Tocs) are both members of the vitamin E family. It is known that delta-tocotrienol (delta-T3) has displayed the most potent anti-cancer activity amongst the tocotrienols. On the other hand, gamma tocopherol (gamma-Toc) is reported to have a protective effect against prostate cancer. Therefore, we investigated whether the combination of gamma-Toc and delta T3 could strengthen the inhibitory effect of delta-T3 on prostate cancer cell growth. In this study the effect of combined delta-T3 (annatto T3 oil) and gamma Toc (Tmix, gamma-Toc-rich oil) therapy was assessed against human androgen dependent prostate cancer cells (LNCaP). We found that combined treatment of delta-T3 (10 MUM) and gamma-Toc (5 MUM) resulted in reinforced anti-prostate cancer activity. Specifically, cell cycle phase distribution analysis revealed that in addition to G1 arrest caused by the treatment with delta-T3, the combination of delta-T3 with gamma-Toc induced G2/M arrest. Enhanced induction of apoptosis by the combined treatment was also observed. These findings indicate that combination of delta-T3 and gamma-Toc significantly inhibits prostate cancer cell growth due to the simultaneous cell cycle arrest in the G1 phase and G2/M phase. PMID- 29225322 TI - Immunohistochemical study on the secretory host defense system with lysozyme and secretory phospholipase A2 throughout rat respiratory tract. AB - The host defense system with lysozyme and secretory phospholipase A2 (sPLA2) was immunohistochemically investigated in rat respiratory tract under healthy conditions. In the nasal epithelium, a large number of non-ciliated and non microvillous cells (NC) and a small number of goblet cells (GC) were immunopositive for lysozyme and sPLA2. A few acinar cells and almost all epithelial cells of intercalated ducts were immunopositive for both bactericidal substances in the nasal glands. In the laryngeal and tracheal epithelia, few NC and GC were immunopositive for both bactericidal substances. In the laryngeal and tracheal glands, a few acinar cells and most ductal epithelial cells were immunopositive for both bactericidal substances. In extra-pulmonary bronchus, small numbers of NC and GC were immunopositive for lysozyme and sPLA2, whereas few NC and no GC were immunopositive in the intra-pulmonary bronchus. No secretory source of either bactericidal substance was located in the bronchioles. In the alveolus, many glandular epithelial cells and alveolar macrophages were immunopositive for lysozyme but immunonegative for sPLA2. Moreover, lysozyme and sPLA2 were detected in the mucus layer and in the periciliary layer from the nose to the extra-pulmonary bronchus. These findings suggest that secretory sources of lysozyme and sPLA2 are distributed in almost all the respiratory tract. Their secretory products are probably transported to the pharynx and contribute to form the first line of defense against inhaled bacteria throughout the respiratory tract. PMID- 29225323 TI - Mancozeb impairs the ultrastructure of mouse granulosa cells in a dose-dependent manner. AB - Mancozeb, an ethylene bis-dithiocarbamate, is widely used as a fungicide and exerts reproductive toxicity in vivo and in vitro in mouse oocytes by altering spindle morphology and impairing the ability to fertilize. Mancozeb also induces a premalignant status in mouse granulosa cells (GCs) cultured in vitro, as indicated by decreased p53 expression and tenuous oxidative stress. However, the presence and extent of ultrastructural alterations induced by mancozeb on GCs in vitro have not yet been reported. Using an in vitro model of reproductive toxicity, comprising parietal GCs from mouse antral follicles cultured with increasing concentrations of mancozeb (0.001-1 ug/ml), we sought to ascertain the in vitro ultrastructural cell toxicity by means of transmission (TEM) and scanning (SEM) electron microscopy. The results showed a dose-dependent toxicity of mancozeb on mouse GCs. Ultrastructural data showed intercellular contact alterations, nuclear membrane irregularities, and chromatin marginalization at lower concentrations, and showed chromatin condensation, membrane blebbing, and cytoplasmic vacuolization at higher concentrations. Morphometric analysis evidenced a reduction of mitochondrial length in GCs exposed to mancozeb 0.01-1 ug/ml and a dose-dependent increase of vacuole dimension. In conclusion, mancozeb induced dose-dependent toxicity against GCs in vitro, including ultrastructural signs of cell degeneration compatible with apoptosis, likely due to the toxic breakdown product ethylenethiourea. These alterations may represent a major cause of reduced/delayed/missed oocyte maturation in cases of infertility associated with exposure to pesticides. PMID- 29225324 TI - Effects of Cilnidipine, an L/N-Type Calcium Channel Blocker, on Carotid Atherosclerosis in Japanese Post-Stroke Hypertensive Patients: Results from the CA-ATTEND Study. AB - AIMS: Although several antihypertensive agents reduced the carotid intima-media thickness (IMT), it remains unclear whether those agents affect the interadventitial diameter (IAD). We aimed to examine whether cilnidipine, an L/N type calcium channel blocker, reduced the common carotid IMT or IAD in post stroke hypertensive patients. METHODS: The common carotid IMT and IAD were measured at the start of cilnidipine treatment and 12 months from that. The changes in the mean max-IMT or IAD between baseline and the 12-month follow-up were evaluated and compared between the thick group (max-IMT >=1.1 mm) and the normal group (max-IMT <1.1 mm). RESULTS: A total of 603 post-stroke hypertensive subjects (mean age=69.3 yr, 378 males) were included in the analysis. At baseline, IAD was increased stepwise according to the value of max-IMT (p for trend <0.001). Among them, 326 subjects were followed up for 12 months. The mean max-IMT from baseline to 12 months did not change in the normal group (-0.01 mm, 95% confidence interval [CI] -0.03 to 0.01, n=170), whereas a significant reduction was observed in the thick group (-0.09 mm, 95% CI -0.13 to -0.05, n=156). The mean IAD was significantly reduced during the study period in the normal group (-0.14 mm, 95% CI -0.22 to -0.05) as well as in the thick group ( 0.12 mm, 95% CI -0.21 to -0.03). CONCLUSIONS: Cilnidipine promoted the regression of common carotid IMT in post-stroke hypertensive patients, especially in the thick group. Cilnidipine also reduced the IAD in both normal and thick groups. PMID- 29225325 TI - Omentin-1 is Associated with Carotid Plaque Instability among Ischemic Stroke Patients. AB - AIMS: Omentin-1 was proved to be associated with ischemic stroke clinical functional outcome. It also predicted carotid atherosclerosis among metabolic syndrome subjects and type 2 diabetes patients. Our aim was to examine the association of omentin-1 levels with carotid plaque instability and stenosis degree among ischemic stroke patients. METHODS: A total of 173 acute ischemic stroke patients were included in this study. Serum omentin-1 levels were assayed. Carotid ultrasound examinations were performed to evaluate the carotid plaque instability and stenosis degree. Multivariable logistic analyses were used to examine the association of serum omentin-1 levels with carotid plaque instability and stenosis degree. RESULTS: Ischemic stroke patients with unstable carotid plaque had significantly lower levels of serum omentin-1 than patients with stable plaque (53 [40.2-64.1] vs 61.8 [52.4-77.2] ng/ml, P<0.01). Subjects in the highest tertile of serum omentin-1 levels had a 0.31-fold risk of having unstable plaque compared with those in the lowest tertile (P<0.05), and its trend test was significant (P for trend=0.03). The integrated discrimination improvement was significantly improved in predicting carotid plaque instability when omentin-1 data was added to the multivariable logistic regression model. No significant association was detected between omentin-1 and moderate-severe carotid stenosis or occlusion. CONCLUSIONS: Among ischemic stroke patients, higher omentin-1 levels were inversely associated with carotid plaque instability, but not associated with moderate-severe carotid stenosis or occlusion. Omentin-1 may represent a biomarker for predicting carotid plaque instability of acute ischemic stroke patients. PMID- 29225327 TI - Plasma fibrin clot structure and thromboembolism: clinical implications. AB - Fibrin formed as a result of fibrinogen polymerization is the main protein component of a clot in a test tube and intravascular thrombi in vivo. Fibrin clot structure characterized by fiber diameter and pore size differs between healthy persons and those with thromboembolic diseases, in part due to the quality and quantity of fibrinogen and the magnitude of thrombin generation. A key measure of plasma clot structure is its permeability, reflected by the Darcy constant (Ks). Reduced Ks is a typical feature of the prothrombotic fibrin clot phenotype, which is associated with faster formation of denser fibrin mesh, relatively resistant to lysis. Low Ks has been reported in patients with prior or acute myocardial infarction (MI), stroke, or venous thromboembolism (encompassing deep vein thrombosis [DVT] and pulmonary embolism [PE]), as well as in those with prothrombotic conditions (eg, in several thrombophilic states) and in the presence of cardiovascular risk factors (eg, obesity). Antithrombotic and anticoagulant agents, along with statins, have been shown to increase Ks. Growing evidence indicates associations between the properties of plasma fibrin clots and morphology of intravascular thrombi in patients with MI. Recently, reduced Ks has been shown to predict recurrent thromboembolic episodes in patients with a history of stroke, PE, DVT, and their serious complications, including postthrombotic syndrome and thromboembolic pulmonary hypertension. We discuss the current evidence for the significance of clot density measured in vitro as a prognostic marker in a number of clinical conditions associated with elevated thromboembolic risk. PMID- 29225326 TI - Noninvasive Coronary Plaque Imaging. AB - Early identification of high-risk or vulnerable atherosclerotic plaques prone to rupture and performing preemptive therapy prior to catastrophic cardiovascular events are optimal goals of plaque imaging. Despite the advances in imaging modalities to identify vulnerable characteristics, the predictive value of the imaging techniques in the clinical setting is still developing. In this regard, reliable and high-sensitive imaging modalities identifying vulnerable plaque characters that may lead to future cardiovascular events will be useful. In this review article, we describe a current non-invasive plaque imaging technique to identify high-risk coronary plaque features. PMID- 29225328 TI - Gallbladder Hypoplasia, a Congenital Abnormality of the Gallbladder: A Case Report. AB - BACKGROUND There are different variations in the anatomy of the gallbladder. Congenital abnormalities of the gallbladder such as agenesis and hypoplasia are rare conditions and difficult to diagnose with imaging studies. Patients are usually asymptomatic or have symptoms that mimic gallstone disease. The diagnosis is often made intraoperatively and is established by histopathological examination. CASE REPORT We report a case of a 62-year-old male who had cholelithiasis symptoms and was falsely diagnosed with gallstone disease by abdominal ultrasound scan. The patient underwent an operation which revealed a rudimentary gallbladder. The histology result showed hypoplastic gallbladder tissue. CONCLUSIONS This case suggests that surgeons need to take into consideration congenital anomalies of the gallbladder intraoperatively in order to avoid any iatrogenic injury to biliary tract during a routine laparoscopic cholecystectomy. Intraoperative cholangiography can be a useful tool to avoid unnecessary surgical risky interventions. PMID- 29225329 TI - Medial Patellofemoral Ligament Reconstruction with Semi-Patellar Tunnel Fixation: Surgical Technique and Mid-Term Follow-Up. AB - BACKGROUND The present study aimed to describe a new safe and economical technique for medial patellofemoral ligament (MPFL) reconstruction with satisfactory clinical outcomes, and present the results of a four-year follow-up. MATERIAL AND METHODS Thirty-two patients with recurrent patella dislocation, who underwent MPFL reconstruction with two semi-patellar tunnels and hardware-free patellar fixation between 2011 and 2013, were included in the study. Patella stability was tested by an apprehension test preoperatively and at follow-up. Knee function was evaluated using the Kujala score, Lysholm score, and Crosby Insall grading system. Patellar congruence angle and patellar tilt angle were measured using an axial computed tomography scan. Furthermore, objective feelings of patients and complications were recorded. RESULTS Thirty knees (30 patients) were followed for a minimum of 48 months. The apprehension test was positive in all patients preoperatively, but negative at follow-up. Kujala and Lysholm scores increased from 58.9+/-9.6 to 92.0+/-4.8 (p<0.001) and 53.3+/-5.6 to 91.6+/-3.5 (p<0.001), respectively, at the last follow-up. Seventeen patients were graded as excellent and 13 were graded as good by the Crosby-Insall grading system. The patellar congruence angle and patellar tilt angle also improved significantly. No patient experienced patellar re-dislocation, subluxation, or patella fracture. Most patients (93%) were satisfied with the surgery. CONCLUSIONS MPFL reconstruction with two semi-patellar tunnels and hardware-free patellar fixation was described and the study observations indicated it was a safe and economical surgical procedure for recurrent patella dislocation with satisfactory results. It could be an alternative surgery method for patients with patella recurrent dislocation. PMID- 29225330 TI - Huntingtin gene repeat size variations affect risk of lifetime depression. AB - Huntington disease (HD) is a severe neuropsychiatric disorder caused by a cytosine-adenine-guanine (CAG) repeat expansion in the HTT gene. Although HD is frequently complicated by depression, it is still unknown to what extent common HTT CAG repeat size variations in the normal range could affect depression risk in the general population. Using binary logistic regression, we assessed the association between HTT CAG repeat size and depression risk in two well characterized Dutch cohorts?the Netherlands Study of Depression and Anxiety and the Netherlands Study of Depression in Older Persons?including 2165 depressed and 1058 non-depressed persons. In both cohorts, separately as well as combined, there was a significant non-linear association between the risk of lifetime depression and HTT CAG repeat size in which both relatively short and relatively large alleles were associated with an increased risk of depression (beta = -0.292 and beta = 0.006 for the linear and the quadratic term, respectively; both P < 0.01 after adjustment for the effects of sex, age, and education level). The odds of lifetime depression were lowest in persons with a HTT CAG repeat size of 21 (odds ratio: 0.71, 95% confidence interval: 0.52 to 0.98) compared to the average odds in the total cohort. In conclusion, lifetime depression risk was higher with both relatively short and relatively large HTT CAG repeat sizes in the normal range. Our study provides important proof-of-principle that repeat polymorphisms can act as hitherto unappreciated but complex genetic modifiers of depression. PMID- 29225331 TI - Elevated peripheral expression of neuregulin-1 (NRG1) mRNA isoforms in clozapine treated schizophrenia patients. AB - Differential expression of neuregulin-1 (NRG1) mRNA isoforms and proteins has been reported in schizophrenia, primarily in post-mortem brain tissue. In this study, we examined 12 NRG1 SNPs, eight NRG1 mRNA isoforms (type I, type I(Ig2), type II, type III, type IV, EGFalpha, EGFbeta, pan-NRG1) in whole blood, and NRG1 beta1 protein in serum of clozapine-treated schizophrenia patients (N = 71) and healthy controls (N = 57). In addition, using cultured peripheral blood mononuclear cells (PBMC) from 15 healthy individuals, we examined the effect of clozapine on NRG1 mRNA isoform and protein expression. We found elevated levels of NRG1 mRNA, specifically the EGFalpha (P = 0.0175), EGFbeta (P = 0.002) and type I(Ig2) (P = 0.023) containing transcripts, but lower NRG1-beta1 serum protein levels (P = 0.019) in schizophrenia patients compared to healthy controls. However, adjusting for smoking status attenuated the difference in NRG1 beta1 serum levels (P = 0.050). Examination of clinical factors showed NRG1 EGFalpha (P = 0.02) and EGFbeta (P = 0.02) isoform expression was negatively correlated with age of onset. However, we found limited evidence that NRG1 mRNA isoform or protein expression was associated with current chlorpromazine equivalent dose or clozapine plasma levels, the latter corroborated by our PBMC clozapine exposure experiment. Our SNP analysis found no robust expression quantitative trait loci. Our results represent the first comprehensive investigation of NRG1 isoforms and protein expression in the blood of clozapine treated schizophrenia patients and suggest levels of some NRG1 transcripts are upregulated in those with schizophrenia. PMID- 29225333 TI - Technique: A miniature living recording device. PMID- 29225332 TI - Effects of acute systemic inflammation on the interplay between sad mood and affective cognition. AB - Experimental endotoxemia is a translational model to study inflammatory mechanisms involved in the pathophysiology of mood disorders including depression. Disturbed affective cognition constitutes a core aspect in depression, but has never been studied in the context of inflammation. We combined experimental endotoxemia with an established experimental mood induction procedure to assess the interaction between acute inflammation and sad mood and their effects on affective cognition. In this randomized cross-over study, N = 15 healthy males received endotoxin (0.8 ng/kg lipopolysaccharide iv) on one study day and placebo an otherwise identical study day. The affective Go/Nogo task was conducted after experimental induction of neutral and sad mood. Inflammatory markers were assessed hourly. Endotoxin application induced a transient systemic inflammation, characterized by increased leukocyte counts, TNF-alpha and interleukin-6 plasma concentrations (all p < 0.01, interaction effects). Mood induction led to greater sadness ratings, with highest ratings when sad mood was induced during inflammation (p < 0.05, interaction effect). Based on a 2 (endotoxin vs. placebo) * 2 (sad vs. neutral mood) * 2 (sad vs. happy Go/Nogo target words) factorial design, we observed a significant target * endotoxin condition interaction (p < 0.01) reflecting slower responses to sad targets during endotoxemia. Additionally, we found a valence * mood interaction (p < 0.05), reflecting slower reaction times to sad targets in sad mood. In summary, acute inflammation and sad mood are risk factors for disturbed affective cognition. The results may reflect a mood-congruency effect, with prolonged and sustained processing of mood-congruent information during acute inflammation, which may contribute to depression risk. PMID- 29225334 TI - A change of view: homologous recombination at single-molecule resolution. AB - Genetic recombination occurs in all organisms and is vital for genome stability. Indeed, in humans, aberrant recombination can lead to diseases such as cancer. Our understanding of homologous recombination is built upon more than a century of scientific inquiry, but achieving a more complete picture using ensemble biochemical and genetic approaches is hampered by population heterogeneity and transient recombination intermediates. Recent advances in single-molecule and super-resolution microscopy methods help to overcome these limitations and have led to new and refined insights into recombination mechanisms, including a detailed understanding of DNA helicase function and synaptonemal complex structure. The ability to view cellular processes at single-molecule resolution promises to transform our understanding of recombination and related processes. PMID- 29225335 TI - Genetic architecture: the shape of the genetic contribution to human traits and disease. AB - Genetic architecture describes the characteristics of genetic variation that are responsible for heritable phenotypic variability. It depends on the number of genetic variants affecting a trait, their frequencies in the population, the magnitude of their effects and their interactions with each other and the environment. Defining the genetic architecture of a complex trait or disease is central to the scientific and clinical goals of human genetics, which are to understand disease aetiology and aid in disease screening, diagnosis, prognosis and therapy. Recent technological advances have enabled genome-wide association studies and emerging next-generation sequencing studies to begin to decipher the nature of the heritable contribution to traits and disease. Here, we describe the types of genetic architecture that have been observed, how architecture can be measured and why an improved understanding of genetic architecture is central to future advances in the field. PMID- 29225337 TI - Divergent effects of acute and repeated quetiapine treatment on dopamine neuron activity in normal vs. chronic mild stress induced hypodopaminergic states. AB - Clinical evidence supports the use of second-generation dopamine D2 receptor antagonists (D2RAs) as adjunctive therapy or in some cases monotherapy in patients with depression. However, the mechanism for the clinical antidepressant effect of D2RAs remains unclear. Specifically, given accumulating evidence for decreased ventral tegmental area (VTA) dopamine system function in depression, an antidepressant effect of a medication that is expected to further reduce dopamine system activity seems paradoxical. In the present paper we used electrophysiological single unit recordings of identified VTA dopamine neurons to characterize the impact of acute and repeated administration of the D2RA quetiapine at antidepressant doses in non-stressed rats and those exposed to the chronic mild stress (CMS) rodent depression model, the latter modeling the hypodopaminergic state observed in patients with depression. We found that acute quetiapine increased dopamine neuron population activity in non-stressed rats, but not in CMS-exposed rats. Conversely, repeated quetiapine increased VTA dopamine neuron population activity to normal levels in CMS-exposed rats, but had no persisting effects in non-stressed rats. These data suggest that D2RAs may exert their antidepressant actions via differential effects on the dopamine system in a normal vs. hypoactive state. This explanation is supported by prior studies showing that D2RAs differentially impact the dopamine system in animal models of schizophrenia and normal rats; the present results extend this phenomenon to an animal model of depression. These data highlight the importance of studying medications in the context of animal models of psychiatric disorders as well as normal conditions. PMID- 29225336 TI - Psychiatric polygenic risk associates with cortical morphology and functional organization in aging. AB - Common brain abnormalities in cortical morphology and functional organization are observed in psychiatric disorders and aging, reflecting shared genetic influences. This preliminary study aimed to examine the contribution of a polygenetic risk for psychiatric disorders (PRScross) to aging brain and to identify molecular mechanisms through the use of multimodal brain images, genotypes, and transcriptome data. We showed age-related cortical thinning in bilateral inferior frontal cortex (IFC) and superior temporal gyrus and alterations in the functional connectivity between bilateral IFC and between right IFC and right inferior parietal lobe as a function of PRScross. Interestingly, the genes in PRScross, that contributed most to aging neurodegeneration, were expressed in the functioanlly connected cortical regions. Especially, genes identified through the genotype-functional connectivity association analysis were commonly expressed in both cortical regions and formed strong gene networks with biological processes related to neural plasticity and synaptogenesis, regulated by glutamatergic and GABAergic transmission, neurotrophin signaling, and metabolism. This study suggested integrating genotype and transcriptome with neuroimage data sheds new light on the mechanisms of aging brain. PMID- 29225338 TI - Early-life adversity and cortisol response to social stress: a meta-analysis. AB - Early-life adversity has been associated with a life-long increased risk for psychopathology and chronic health problems. These long-term negative effects have been explained through stress sensitization, which may involve dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis through either increased or decreased reactivity. The present meta-analysis assessed for the first time the effect of early-life adversity on cortisol response to social stress. Thirty data sets were included in the meta-analysis, in which early-life adversity and salivary cortisol response to social stress were assessed in 4292 individuals of different ages. Results indicated a moderate effect size (g = -0.39) in overall cortisol levels across studies. Separate analyses of cortisol at different stages of response showed large effect sizes at peak and recovery, and a moderate effect at baseline. Heterogeneity was large in this sample of studies and several moderators were identified. The effect size was larger in studies that focused on maltreatment compared to those that included other adversities, and in adults compared to children and adolescents. Percent of women in each sample and methodological quality were positive predictors of the effect size. Publication bias may be present, but the analysis was hampered by the high heterogeneity. Therefore, these results support the association between early-life adversity and blunted cortisol response to social stress, and they suggest that the long-term negative effects of early-life adversity may reach maximum levels in adults. PMID- 29225339 TI - Early speech development in Koolen de Vries syndrome limited by oral praxis and hypotonia. AB - Communication disorder is common in Koolen de Vries syndrome (KdVS), yet its specific symptomatology has not been examined, limiting prognostic counselling and application of targeted therapies. Here we examine the communication phenotype associated with KdVS. Twenty-nine participants (12 males, 4 with KANSL1 variants, 25 with 17q21.31 microdeletion), aged 1.0-27.0 years were assessed for oral-motor, speech, language, literacy, and social functioning. Early history included hypotonia and feeding difficulties. Speech and language development was delayed and atypical from onset of first words (2; 5-3; 5 years of age on average). Speech was characterised by apraxia (100%) and dysarthria (93%), with stuttering in some (17%). Speech therapy and multi-modal communication (e.g., sign-language) was critical in preschool. Receptive and expressive language abilities were typically commensurate (79%), both being severely affected relative to peers. Children were sociable with a desire to communicate, although some (36%) had pragmatic impairments in domains, where higher-level language was required. A common phenotype was identified, including an overriding 'double hit' of oral hypotonia and apraxia in infancy and preschool, associated with severely delayed speech development. Remarkably however, speech prognosis was positive; apraxia resolved, and although dysarthria persisted, children were intelligible by mid-to-late childhood. In contrast, language and literacy deficits persisted, and pragmatic deficits were apparent. Children with KdVS require early, intensive, speech motor and language therapy, with targeted literacy and social language interventions as developmentally appropriate. Greater understanding of the linguistic phenotype may help unravel the relevance of KANSL1 to child speech and language development. PMID- 29225341 TI - Humoral immunity, the underestimated player in hepatitis B. PMID- 29225340 TI - Genetic and experimental evidence for the involvement of the CD6 lymphocyte receptor in psoriasis. AB - Psoriasis is a chronic inflammatory skin disease with a strong genetic background and is triggered by environmental factors. Available evidence supports CD6, a lymphocyte surface receptor mostly expressed by T cells, as a putative target in autoimmunity. Accordingly, a humanized anti-CD6 antibody has been assayed for the treatment of certain autoimmune disorders, including psoriasis. Here, we present novel evidence in mice and humans for a direct involvement of CD6 in psoriasis pathophysiology. First, an attenuated form of imiquimod-induced psoriasis-like skin inflammation was demonstrated in CD6-deficient mice, as deduced from lower epidermal thickness and local reduced production of pro-inflammatory cytokines, namely, interleukin-17A. Thus, isolated CD4+CD62L+ T cells from CD6-deficient mice displayed decreased in vitro T-helper type 17 polarization. Second, a statistically significant association between CD6 single-nucleotide polymorphisms (rs17824933, rs11230563 and rs12360861) and more severe forms of psoriasis was demonstrated in a cohort of 304 patients at three public hospitals from the metropolitan area of Barcelona. Taken together, these results provide new supportive evidence of the contribution of the CD6 lymphocyte receptor in psoriasis at both experimental and clinical levels.Cellular and Molecular Immunology advance online publication, 11 December 2017; doi:10.1038/cmi.2017.119. PMID- 29225344 TI - Thrombosis: Reducing thrombosis in CKD. PMID- 29225342 TI - Differentiation dynamics of mammary epithelial cells revealed by single-cell RNA sequencing. AB - Characterising the hierarchy of mammary epithelial cells (MECs) and how they are regulated during adult development is important for understanding how breast cancer arises. Here we report the use of single-cell RNA sequencing to determine the gene expression profile of MECs across four developmental stages; nulliparous, mid gestation, lactation and post involution. Our analysis of 23,184 cells identifies 15 clusters, few of which could be fully characterised by a single marker gene. We argue instead that the epithelial cells-especially in the luminal compartment-should rather be conceptualised as being part of a continuous spectrum of differentiation. Furthermore, our data support the existence of a common luminal progenitor cell giving rise to intermediate, restricted alveolar and hormone-sensing progenitors. This luminal progenitor compartment undergoes transcriptional changes in response to a full pregnancy, lactation and involution. In summary, our results provide a global, unbiased view of adult mammary gland development. PMID- 29225343 TI - Advances in the understanding and treatment of sepsis-induced immunosuppression. AB - Sepsis is defined as a life-threatening organ dysfunction that is caused by a dysregulated host response to infection. Sepsis can induce acute kidney injury and multiple organ failures and represents the most common cause of death in the intensive care unit. Sepsis initiates a complex immune response that varies over time, with the concomitant occurrence of both pro-inflammatory and anti inflammatory mechanisms. As a result, most patients with sepsis rapidly display signs of profound immunosuppression, which is associated with deleterious consequences. Scientific advances have highlighted the role of metabolic failure, epigenetic reprogramming, myeloid-derived suppressor cells, immature suppressive neutrophils and immune alterations in primary lymphoid organs (the thymus and bone marrow) in sepsis. An improved understanding of the mechanisms underlying this immunosuppression as well as of the similarities between sepsis-induced immunosuppression and immune defects in cancer or immunosenescence has led to novel therapeutic strategies aimed at stimulating immune function in patients with sepsis. Trials assessing the therapeutic benefit of IL-7, granulocyte macrophage colony-stimulating factor (GM-CSF) and antibodies against programmed cell death protein 1 (PD1) and programmed cell death 1 ligand 1 (PDL1) for the treatment of sepsis are in progress. The reappraisal of sepsis pathophysiology has also resulted in a novel approach to the design of clinical trials evaluating sepsis treatments, based on an evaluation of the immune status and biomarker based stratification of patients. PMID- 29225346 TI - Actin polymerization is reduced in the anterior cingulate cortex of elderly patients with schizophrenia. AB - Recent reports suggest abnormalities in the regulation of actin cytoskeletal dynamics in schizophrenia, despite consistent evidence for normal actin expression. We hypothesized that this may be explained by changes in the polymerization state of actin, rather than in total actin expression. To test this, we prepared filamentous actin (F-actin, polymeric) and globular actin (G actin, monomeric) fractions from postmortem anterior cingulate cortex from 16 patients with schizophrenia and 14 comparison subjects. Additionally, binding of fluorescently-labeled phalloidin, a selectively F-actin-binding peptide, was measured in unfractionated samples from the same subjects. Western blot analysis of fractions revealed decreased F-actin, increased G-actin, and decreased ratios of F-actin/total actin and F-actin/G-actin in schizophrenia. Decreased phalloidin binding to F-actin in parallel experiments in the same subjects independently supports these findings. These results suggest a novel aspect of schizophrenia pathophysiology and are consistent with previous evidence of reduced dendritic spine density and altered synaptic plasticity in schizophrenia, both of which have been linked to cytoskeletal abnormalities. PMID- 29225345 TI - Common variants at 2q11.2, 8q21.3, and 11q13.2 are associated with major mood disorders. AB - Bipolar disorder (BPD) and major depressive disorder (MDD) are primary major mood disorders. Recent studies suggest that they share certain psychopathological features and common risk genes, but unraveling the full genetic architecture underlying the risk of major mood disorders remains an important scientific task. The public genome-wide association study (GWAS) data sets offer the opportunity to examine this topic by utilizing large amounts of combined genetic data, which should ultimately allow a better understanding of the onset and development of these illnesses. Genome-wide meta-analysis was performed by combining two GWAS data sets on BPD and MDD (19,637 cases and 18,083 controls), followed by replication analyses for the loci of interest in independent 12,364 cases and 76,633 controls from additional samples that were not included in the two GWAS data sets. The single-nucleotide polymorphism (SNP) rs10791889 at 11q13.2 was significant in both discovery and replication samples. When combining all samples, this SNP and multiple other SNPs at 2q11.2 (rs717454), 8q21.3 (rs10103191), and 11q13.2 (rs2167457) exhibited genome-wide significant association with major mood disorders. The SNPs in 2q11.2 and 8q21.3 were novel risk SNPs that were not previously reported, and SNPs at 11q13.2 were in high LD with potential BPD risk SNPs implicated in a previous GWAS. The genome-wide significant loci at 2q11.2 and 11q13.2 exhibited strong effects on the mRNA expression of certain nearby genes in cerebellum. In conclusion, we have identified several novel loci associated with major mood disorders, adding further support for shared genetic risk between BPD and MDD. Our study highlights the necessity and importance of mining public data sets to explore risk genes for complex diseases such as mood disorders. PMID- 29225347 TI - Accelerated epigenetic aging and mitochondrial DNA copy number in bipolar disorder. AB - Bipolar disorder (BD) has been previously associated with accelerated aging; yet, the mechanisms underlying this association are largely unknown. The epigenetic clock has been increasingly recognized as a valuable aging marker, although its association with other biological clocks in BD patients and high-risk subjects, such as telomere length and mitochondrial DNA (mtDNA) copy number, has never been investigated. We included 22 patients with BD I, 16 siblings of BD patients, and 20 healthy controls in this analysis. DNA was isolated from peripheral blood and interrogated for genome-wide DNA methylation, mtDNA copy number, and telomere length. DNA methylation age (DNAm age) and accelerated aging were calculated using the Horvath age estimation algorithm in blood and in postmortem brain from BD patients and nonpsychiatric controls using publicly available data. Older BD patients presented significantly accelerated epigenetic aging compared to controls, whereas no difference was detected among the younger subjects. Patients showed higher levels of mtDNA copy number, while no difference was found between controls and siblings. mtDNA significantly correlated with epigenetic age acceleration among older subjects, as well and with global functioning in our sample. Telomere length did not show significant differences between groups, nor did it correlate with epigenetic aging or mtDNA copy number. These results suggest that BD may involve an accelerated epigenetic aging, which might represent a novel target for treating BD and subjects at risk. In particular, our results suggest a complex interplay between biological clocks to determine the accelerated aging and its consequences in BD. PMID- 29225349 TI - Tau haplotypes support the Asian ancestry of the Roma population settled in the Basque Country. AB - We examined tau haplotype frequencies in two different ethnical groups from the Basque Country (BC): Roma people and residents of European ancestry (general population). In addition, we analyzed the spatial distribution of tau haplotypes in Eurasian populations to explore the genetic affinities of the Romani groups living in Europe in a broader scope. The 17q21.31 genomic region was characterized through the genotyping of two diagnostic single nucleotide polymorphisms, SNPs (rs10514879 and rs199451), which allow the identification of H1 and H2 haplotypes. A significant heterozygous deficit was detected in the Romani for rs10514879. The H2 haplotype frequency proved to be more than twice in the BC general population (0.283) than in the Roma people (0.127). In contrast, H2 frequency proved to be very similar between Basque and Hungarian Romani, and similar to the H2 frequencies found in northwestern India and Pakistan as well. Several statistical analyses unveiled genetic structuring for the MAPT diversity, mirrored in a significant association between geography and genetic distances, with an upward trend of H2 haplotype frequencies from Asia to Europe. Yet, Roma samples did not fit into this general spatial patterning because of their discrepancy between geographical position and H2 frequency. Despite the long spatial coexistence in the Basque region between the residents of European ancestry and the Roma, the latter have preserved their Asian genetic ancestry. Bearing in mind the lack of geographical barriers between both ethnical groups, these findings support the notion that sociocultural mores might promote assortative matings in human populations. PMID- 29225348 TI - A multi-dimensional characterization of anxiety in monozygotic twin pairs reveals susceptibility loci in humans. AB - The etiology of individual differences in human anxiousness is complex and includes contributions from genetic, epigenetic (i.e., DNA methylation) and environmental factors. Past genomic approaches have been limited in their ability to detect human anxiety-related differences in these factors. To overcome these limitations, we employed both a multi-dimensional characterization method, to select monozygotic twin pairs discordant for anxiety, and whole genome DNA methylation sequencing. This approach revealed 230 anxiety-related differentially methylated loci that were annotated to 183 genes, including several known stress related genes such as NAV1, IGF2, GNAS, and CRTC1. As an initial validation of these findings, we tested the significance of an overlap of these data with anxiety-related differentially methylated loci that we previously reported from a key neural circuit of anxiety (i.e., the central nucleus of the amygdala) in young monkeys and found a significant overlap (P-value < 0.05) of anxiety-related differentially methylated genes, including GNAS, SYN3, and JAG2. Finally, sequence motif predictions of all the human differentially methylated regions indicated an enrichment of five transcription factor binding motifs, suggesting that DNA methylation may regulate gene expression by mediating transcription factor binding of these transcripts. Together, these data demonstrate environmentally sensitive factors that may underlie the development of human anxiety. PMID- 29225350 TI - Maternal-by-environment but not genotype-by-environment interactions in a fish without parental care. AB - The impact of environmental conditions on the expression of genetic variance and on maternal effects variance remains an important question in evolutionary quantitative genetics. We investigate here the effects of early environment on variation in seven adult life history, morphological, and secondary sexual traits (including sperm characteristics) in a viviparous poeciliid fish, the mosquitofish Gambusia holbrooki. Specifically, we manipulated food availability during early development and then assessed additive genetic and maternal effects contributions to the overall phenotypic variance in adults. We found higher heritability for female than male traits, but maternal effects variance for traits in both sexes. An interaction between maternal effects variance and rearing environment affected two adult traits (female age at maturity and male size at maturity), but there was no evidence of trade-offs in maternal effects across environments. Our results illustrate (i) the potential for pre-natal maternal effects to interact with offspring environment during development, potentially affecting traits through to adulthood and (ii) that genotype-by environment interactions might be overestimated if maternal-by-environment interactions are not accounted for, similar to heritability being overestimated if maternal effects are ignored. We also discuss the potential for dominance genetic variance to contribute to the estimate of maternal effects variance. PMID- 29225351 TI - Metabolome-wide association studies for agronomic traits of rice. AB - Identification of trait-associated metabolites will advance the knowledge and understanding of the biosynthetic and catabolic pathways that are relevant to the complex traits of interest. In the past, the association between metabolites (treated as quantitative traits) and genetic variants (e.g., SNPs) has been extensively studied using metabolomic quantitative trait locus (mQTL) mapping. Nevertheless, the research on the association between metabolites with agronomic traits has been inadequate. In practice, the regular approaches for QTL mapping analysis may be adopted for metabolites-phenotypes association analysis due to the similarity in data structure of these two types of researches. In the study, we compared four regular QTL mapping approaches, i.e., simple linear regression (LR), linear mixed model (LMM), Bayesian analysis with spike-slab priors (Bayes B) and least absolute shrinkage and selection operator (LASSO), by testing their performances on the analysis of metabolome-phenotype associations. Simulation studies showed that LASSO had the higher power and lower false positive rate than the other three methods. We investigated the associations of 839 metobolites with five agronomic traits in a collection of 533 rice varieties. The results implied that a total of 25 metabolites were significantly associated with five agronomic traits. Literature search and bioinformatics analysis indicated that the identified 25 metabolites are significantly involved in some growth and development processes potentially related to agronomic traits. We also explored the predictability of agronomic traits based on the 839 metabolites through cross validation, which showed that metabolomic prediction was efficient and its application in plant breeding has been justified. PMID- 29225352 TI - Response to Janecka et al. 2017. PMID- 29225353 TI - Urban landscape genomics identifies fine-scale gene flow patterns in an avian invasive. AB - Invasive species exert a serious impact on native fauna and flora and have been the target of many eradication and management efforts worldwide. However, a lack of data on population structure and history, exacerbated by the recency of many species introductions, limits the efficiency with which such species can be kept at bay. In this study we generated a novel genome of high assembly quality and genotyped 4735 genome-wide single nucleotide polymorphic (SNP) markers from 78 individuals of an invasive population of the Javan Myna Acridotheres javanicus across the island of Singapore. We inferred limited population subdivision at a micro-geographic level, a genetic patch size (~13-14 km) indicative of a pronounced dispersal ability, and barely an increase in effective population size since introduction despite an increase of four to five orders of magnitude in actual population size, suggesting that low population-genetic diversity following a bottleneck has not impeded establishment success. Landscape genomic analyses identified urban features, such as low-rise neighborhoods, that constitute pronounced barriers to gene flow. Based on our data, we consider an approach targeting the complete eradication of Javan Mynas across Singapore to be unfeasible. Instead, a mixed approach of localized mitigation measures taking into account urban geographic features and planning policy may be the most promising avenue to reducing the adverse impacts of this urban pest. Our study demonstrates how genomic methods can directly inform the management and control of invasive species, even in geographically limited datasets with high gene flow rates. PMID- 29225354 TI - History-driven population structure and asymmetric gene flow in a recovering large carnivore at the rear-edge of its European range. AB - Understanding the mechanisms and patterns involved in population recoveries is challenging and important in shaping conservation strategies. We used a recovering rear-edge population of brown bears at their southernmost European range in Greece as a case study (2007-2010) to explore the recovery genetics at a species' distribution edge. We used 17 microsatellite and a mitochondrial markers to evaluate genetic structure, estimate effective population size and genetic diversity, and infer gene flow between the identified subpopulations. To understand the larger picture, we also compared the observed genetic diversity of each subpopulation with other brown bear populations in the region. The results indicate that the levels of genetic diversity for bears in western Greece are the lowest recorded in southeastern Europe, but still higher than those of other genetically depauperate bear populations. Apart from a complete separation of bear populations in eastern and western Greece, our results also indicate a considerable genetic sub-structuring in the West. As bear populations in Greece are now recovering, this structure is dissolving through a "recovery cascade" of asymmetric gene flow from South to North between neighboring subpopulations, mediated mainly by males. Our study outlines the importance of small, persisting populations, which can act as "stepping stones" that enable a rapid population expansion and recovery. This in turn makes their importance much greater than their numeric or genetic contribution to a species as a whole. PMID- 29225357 TI - Marine microbiology: Illuminating the importance of nitrite oxidation. PMID- 29225356 TI - Quantitative neurobiological evidence for accelerated brain aging in alcohol dependence. AB - The premature aging hypothesis of alcohol dependence proposes that the neurobiological and behavioural deficits in individuals with alcohol dependence are analogous to those of chronological aging. However, to date no systematic neurobiological evidence for this hypothesis has been provided. To test the hypothesis, 119 alcohol-dependent subjects and 97 age- and gender-matched healthy control subjects underwent structural MRI. Whole-brain grey matter volume maps were computed from structural MRI scans using voxel-based morphometry and parcelled into a comprehensive set of anatomical brain regions. Regional grey matter volume averages served as the basis for cross-regional similarity analyses and a brain age model. We found a striking correspondence between regional patterns of alcohol- and age-related grey matter loss across 110 brain regions. The brain age model revealed that the brain age of age-matched AD subjects was increased by up to 11.7 years. Interestingly, while no brain aging was detected in the youngest AD subjects (20-30 years), we found that alcohol-related brain aging systematically increased in the following age decades controlling for lifetime alcohol consumption and general health status. Together, these results provide strong evidence for an accelerated aging model of AD and indicate an elevated risk of alcohol-related brain aging in elderly individuals. PMID- 29225355 TI - Evolutionary conservation and functional divergence of the LFK gene family play important roles in the photoperiodic flowering pathway of land plants. AB - ZEITLUPE (ZTL), LOV KELCH PROTEIN 2 (LKP2), and FLAVIN-BINDING KELCH REPEAT F-BOX 1 (FKF1)-blue-light photoreceptors-play important roles in regulating the circadian clock and photoperiodic flowering pathway in plants. In this study, phylogenetic analysis revealed that the LOV (Light, Oxygen, or Voltage) and Kelch repeat-containing F-box (LFK) gene family can be classified into two clades, ZTL/LKP2 and FKF1, with clear differentiation between monocots and dicots within each clade. The LFK family genes underwent strong purifying selection; however, signatures of positive selection to adapt to local conditions still existed in 18 specific codons. In 87 diverse maize inbred lines, significant differences were identified (P <= 0.01) for days to female flowering between the haplotypes consisting of eight positive selection sites at ZmFKF1b corresponding to tropical and temperate maize groups of the phylogenetic tree, indicating a key role of ZmFKF1b in maize adaptive evolution. In addition, positive coevolution was detected in the domains of the LFK family for long-term cooperation to targets. The Type-I and Type-II functional divergence analysis revealed subfunctionalization or neofunctionalization of the LFKs, and the ZTL subfamily is most likely to maintain the ancestral function of LFKs. Over 50% of critical amino acid sites involved in the functional divergence were identified in the Kelch repeat domain, resulting in the distinction of substrates for ubiquitination and degradation. These results suggest that evolutionary conservation contributes to the maintenance of critical physiological functions, whereas functional divergence after duplication helps to generate diverse molecular regulation mechanisms. PMID- 29225358 TI - Effect of Margin Designs on the Marginal Adaptation of Zirconia Copings. AB - Objective: The aim of this in vitro study was to investigate the effect of Shoulder versus Chamfer margin design on the marginal adaptation of zirconia (Zr) copings. Materials and Methods: 40 extracted molar teeth were mounted in resin and prepared for zirconia crowns with two margin preparation designs (20=Shoulder and 20=Chamfer). The copings were manufactured by Cercon(r) (DeguDent GmbH, Germany) using the CAD/CAM system for each tooth. They were tried on each tooth, cemented, thermocycled, re-embedded in resin and were subsequently cross sectioned centrally into two equal mesial and distal halves. They were examined under electron microscope at 200 X magnification and the measurements were recorded at 5 predetermined points in micrometers (um). Results: The overall mean marginal gap for the two groups was found to be 206.98+42.78um with Shoulder margin design (Marginal Gap=199.50+40.72um) having better adaptation compared to Chamfer (Marginal Gap=214.46+44.85um). The independent-samples t-test showed a statistically non-significant difference (p=.113) between the means of marginal gap for Shoulder and Chamfer margin designs and the measurements were recorded at 5 predetermined points for the two groups. Conclusions: The Chamfer margin design appeared to offer the same adaptation results as the Shoulder margin design. PMID- 29225359 TI - Psychometric Properties of the Croatian Language Version of the Dental Environment Stress Questionnaire on Dental Medicine Students. AB - Objective: To develop the Croatian version of the 41-item Dental Environment Stress questionnaire (DES) for stress assessment of dental students in both, preclinical and clinical years of study and to test its psychometric properties in Croatian dental student population. Materials and Methods: The English version of the 41-Item DES questionnaire was first translated into the Croatian language. Subsequently, it was set on the google drive and filled out by a total of 202 students from the School of Dental Medicine, University of Zagreb and 30 additional students from other Faculties. Students also assessed their overall level of stress on the Likert scale (1=no stress, 5=highest level of stress). Internal consistency was tested on 202 dental students; test-retest reliability on 30 dental students who filled out the same questionnaire twice; convergent validity on 202 dental students; and divergent validity on 202 dental students and 30 students from faculties not belonging to the biomedicine group. Results: Internal consistency showed high Cronbach alpha coefficient (0.9) and test-retest reliability showed no significant difference (P>0.05) within the period of 14 days when stress level had not changed (vacation). Convergent validity was confirmed by the significant association between the DES summary scores and the self- perceived level of stress (Spearman's rho=0.881; P<0.001). Divergent validity was confirmed by significantly lower DES summary scores in students not belonging to the Biomedicine group (t=7.5, P<0.001). Conclusion: Excellent psychometric properties of the Croatian version of the DES questionnaire enable its utilization for assessment of stress level in Croatian dental students. PMID- 29225360 TI - Facial Anthropometric Norms among Kosovo - Albanian Adults. AB - Background: The development of an anthropometric craniofacial database is a necessary multidisciplinary proposal. Aim: The aim of this study was to establish facial anthropometric norms and to investigate into sexual dimorphism in facial variables among Kosovo Albanian adults. Materials and Methods: The sample included 204 students of Dental School, Faculty of Medicine, University of Pristina. Using direct anthropometry, a series of 8 standard facial measurements was taken on each subject with digital caliper with an accuracy of 0.01 mm (Boss, Hamburg-Germany). The normative data and percentile rankings were calculated. Gender differences in facial variables were analyzed using t- test for independent samples (p<0.05). The index of sexual dimorphism (ISD) and percentage of sexual dimorphism were calculated for each facial measurement. Results N: ormative data for all facial anthropometric measurements in males were higher than in females. Male average norms compared with the female average norms differed significantly from each other (p>0.05).The highest index of sexual dimorphism (ISD) was found for the lower facial height 1.120, for which the highest percentage of sexual dimorphism, 12.01%., was also found. The lowest ISD was found for intercanthal width, 1.022, accompanied with the lowest percentage of sexual dimorphism, 2.23%. Conclusion: The obtained results have established the facial anthropometric norms among Kosovo Albanian adults. Sexual dimorphism has been confirmed for each facial measurement. PMID- 29225361 TI - Comparison of Shaping Ability of 10 Rotary and Reciprocating Systems: an In Vitro Study with AutoCad. AB - Objective: The aim of this study was to compare the cutting are, root canal anatomy preservation and non-instrumented areas of F360(r), F6-SkyTaper(r), Hyflex-EDM(r), iRACE(r), Neoniti(r), O.Shape(r), P.Next(r), Reciproc(r), Revo S(r) and Wave-One-Gold(r) size 25 files. Materials and Methods: 300 teeth with a single straight root and a circular or elliptical root canal were divided into 10 groups (1-F360(r), 2- F6-SkyTaper(r), 3-Hyflex-EDM(r), 4-iRACE(r), 5-Neoniti(r), 6-O.Shape(r), 7-P.Next(r), 8-Reciproc(r), 9-Revo-S(r) and 10-Wave-One-Gold(r)) cut into 3 cross sections using an ultrafine cutting disc. They were photographed under a stereo microscope and preinstrumentation analyses were made before rebuilding the teeth with# 10 K- File and epoxy glue. A glide path was created with #10 and #15 K files and each group was instrumented using rotary or reciprocating systems. Cutting areas, root canal anatomy preservation and non instrumented areas were analyzed using the AutoCAD 2015 Levene's test, the Welch's test, and the Games-Howell's test. The Pearson's chi-squared test was used for statistical analysis. Results: Levene's test showed no equality of variances (P<0.05), therefore Welch's and Games-Howell's tests were applied to cutting areas, showing significant differences in all thirds and overall (P<0.05). No differences in root canal anatomy preservation were observed (P>0.05). In non-instrumented areas, significant differences were found (P<0.05) in middle third being better in Reciproc(r), Neoniti(r) and WaveOneGold(r), and in apical thirds being higher P.Next(r), Reciproc(r), HyflexEDM(r), Neoniti(r) and WaveOneGold(r). Conclusions: In cutting area, P.Next(r) and Reciproc(r) were superior in coronal third, Neoniti(r) and Hyflex EDM(r) medially and apically and Neoniti(r) and Reciproc(r) overall. Regarding the root canal anatomy preservation, all systems were similar. For non-instrumented areas, all systems achieved similar results coronally, but Reciproc(r), Neoniti(r) and Wave One Gold(r) were superior in middle third and P.Next(r), Reciproc(r), Hyflex EDM(r), Neoniti(r) and Wave One Gold(r) were superior in apically. PMID- 29225362 TI - Frequency of bacetrial content finding in persistant periapical lesions. AB - Objectives: To determine the percentage of persistant apical lesions positive for bacterial nucleic acids, to detect microorganisms difficult to cultivate in persistant apical lesions by PCR and relate them to endodontic failure, clinical symptoms and diabetes mellitus. Materials and methods: The samples of persistent apical lesions were collected during apicoectomy. Bacterial ubiquitous primer 16S rRNA was used to detect 16S ribosomal RNA in 36 samples. A species-specific PCR was performed with primers targeted to the bacterial 16S rRNA genes of Prevotella Nigrescens, Pseudoramibacter alactolyticus, and Propionobacterium propionicum. Results: Six samples (16.67%) were positive for bacterial ribosomal RNA. Pseudoramibacter alactolyticus was detected in three samples. Propionibacterium propionicum and Prevotella nigrescens were detected in one sample each. The prevalence of infection of such lesions with P. intermedia, P. propionicum and P. alactolyticus is low. Conslusion: The study we conducted gave insufficient data about extraradicular infection and its connection with diabetes mellitus and clinical symptoms. Conclusions: Apical lesions persisting after endodontic treatment could harbor microorganisms other than Actinomyces and Propionicum species. PMID- 29225363 TI - Forensic Identification of Decomposed Human Body through Comparison between Ante Mortem and Post-Mortem CT Images of Frontal Sinuses: Case Report. AB - Objective: The aim of this paper is to report on a case of positive human identification of a decomposed body after the comparison of ante-mortem (AM) and port-mortem (PM) computed tomography images of frontal sinus. Case report: An unknown, highly decomposed human body, aged between 30 and 40 years, was found in a forest region in Brazil. The dental autopsy revealed several teeth missing AM and the presence of removable partial prostheses. The search for AM data resulted in a sequence of 20 axial images of the paranasal sinuses obtained by Multislice Computed Tomography (MSCT). PM reproduction of the MSCT images was performed in order to enable a comparative identification. After a direct confrontation between AM/PM MSCT, the data were collected for morphological findings, specifically for the lateral expansion of the left lobe, the anteroposterior dimension, and the position of median and accessory septa of the sinuses. Conclusion: The importance of storing and interpreting radiographic medical data properly is highlighted in this text, thus pointing out the importance of application of forensic radiology in the field of law. PMID- 29225364 TI - A Young Patient with Temporomandibular Joint Osteoarthritis: Case Report. AB - This paper describes a case of a young patient who sought help because of pain in the right temporomandibular joint (TMJ). She also reported increasing of pain during chewing. Clinical examination revealed limited mouth opening with uncorrected deviation to the ipsilateral side. Palpation of the lateral pole of the right condyle discovered crepitus, and maximum assisted opening elicited a report of "familiar pain". The diagnosis of osteoarthritis of the TMJ (RDC / TMD criteria, Axis I, Group III) was confirmed by CBCT of TMJ. There is no "gold standard" for the management of TMD, but the need for TMD treatment has to be based on precise indications related to the presence of pain, limitation in function of the lower jaw and signs of degenerative joint disease. Conservative, reversible therapeutic procedures are considered as the first choice for TMD treatment and their task is to improve the function of the entire masticatory system. In this case patient was treated with the combination of physical therapy and stabilization splint, in order to reduce the pain and restore the normal function of the lower jaw. At 6 months' follow-up symptoms have almost completely disappeared, while 3 years later, the patient still has no significant subjective symptoms. In the present case non-invasive therapy was sufficient to bring, otherwise recurrent nature of osteoarthritis, in complete remission and keep it like that for years. PMID- 29225365 TI - A Review of the Effectiveness and Side-Effects of Fluocinolone Acetonide 0.1% in the Treatment of Oral Mucosal Diseases. AB - Topical steroids have been widely used in the treatment of symptomatic oral lesions to reduce pain and inflammation. Potent topical steroids such as clobetasol propionate, fluocinolone acetonide (FA), and fluocinonide have been widely used in the treatment of severe oral mucosal lesions. Many reports have demonstrated that these steroids were effective in treating oral lesions with only minor side-effects. This review describes the effectiveness and side-effects of using FA 0.1% in the treatment of symptomatic oral lichen planus (OLP), oral lichenoid drug reaction (OLDR), oral pemphigus, and herpes associated erythema multiforme (HAEM). FA 0.1% was effective and safe in the treatment of patients with multiple systemic diseases and a pregnant patient with HAEM. Moreover, this topical steroid rapidly reduced pain, inflammation, and enhanced lesion healing with no serious side-effects other than pseudomembranous candidiasis, which is easily treated. In some cases, a long-term treatment with FA 0.1% resulted in hyperpigmentation at the areas of previously healed oral lesions; however, this hyperpigmentation was gradually resolved after discontinuing topical steroid treatment. PMID- 29225366 TI - Solvent Dependence of Cyanoindole Fluorescence Lifetime. AB - Several cyanotryptophans have been shown to be useful biological fluorophores. However, how their fluorescence lifetimes vary with solvent has not been examined. In this regard, herein we measure the fluorescence decay kinetics as well as the absorption and emission spectra of six cyanoindoles in different solvents. In particular, we find, among other results, that only 4-cyanoindole affords a long fluorescence lifetime and hence high quantum yield in H2O. Therefore, our measurements provide not only a guide for choosing which cyanotryptophan to use in practice but also data for computational modeling of the substitution effect on the electronic transitions of indole. PMID- 29225367 TI - The Impact of Organic Additives on Copper Trench Microstructure. AB - Organic additives are typically used in the pulse electrodeposition of copper (Cu) to prevent void formation during the filling of high aspect ratio features. In this work, the role of bath chemistry as modified by organic additives was investigated for its effects on Cu trench microstructure. Polyethylene glycol (PEG), bis(3-sulfopropyl) disulfide (SPS), and Janus green b (JGB) concentrations were varied in the Cu electrodeposition bath. Results indicated a correlation between the JGB/SPS ratio and the surface roughness and residual stresses in the Cu. Electron backscattering diffraction (EBSD) and transmission Kikuchi diffraction (TKD) were used to study the cross-sectional microstructure in the trenches. Finer grain morphologies appeared in trenches filled with organic additives as compared to additive-free structures. Cu trench (111) texture also decreased with increasing organic additive concentrations due to more pronounced influence of sidewall seed layers on trench features. Twin density in the microstructure closely tracked calculated stresses in the Cu trenches. A comprehensive microstructural analysis was conducted in this study, on an area of focus that has garnered little attention from the literature, yet can have a major impact on microelectronic reliability. PMID- 29225368 TI - Rates, intrinsic linkages, and multistate population dynamics. AB - Demographic analyses of multistate populations are commonplace, as are situations where population stocks are known but population flows are not. Still, demographic models for multistate populations with changing rates remain at an early stage of development, limiting dynamic analyses and analytical projections. Here, a new approach, the Intrinsic Linkage-Rate Ratio (IL-RR) model, is presented and explored. The key IL parameter, w, is a simple weight for projecting populations. Using the ultimate state composition implied by the prevailing rates, the IL-RR model provides new relationships that connect multistate populations over time and allow analytical population projections. Parameter w reflects population metabolism and scales the level of the transfer rates. Compositional change is driven by the sequence of implicit stable population compositions. The IL-RR approach also provides a new method for estimating transfer rates within an interval from population numbers at the beginning and end of the interval. The new relationships developed advance the ability of demographers to model multistate populations with changing rates and to relate population stocks and flows. PMID- 29225369 TI - Embracing uncertainty in applied ecology. AB - Applied ecologists often face uncertainty that hinders effective decision making.Common traps that may catch the unwary are: ignoring uncertainty, acknowledging uncertainty but ploughing on, focussing on trivial uncertainties, believing your models, and unclear objectives.We integrate research insights and examples from a wide range of applied ecological fields to illustrate advances that are generally underused, but could facilitate ecologists' ability to plan and execute research to support management.Recommended approaches to avoid uncertainty traps are: embracing models, using decision theory, using models more effectively, thinking experimentally, and being realistic about uncertainty.Synthesis and applications. Applied ecologists can become more effective at informing management by using approaches that explicitly take account of uncertainty. PMID- 29225370 TI - Macrophyte Community Response to Nitrogen Loading and Thermal Stressors in Rapidly Flushed Mesocosm Systems. AB - A mesocosm system was developed to simulate estuarine conditions characteristic of short water-residence time ecosystems of the Pacific Coast of North America, and used to evaluate the response of multiple macrophyte metrics to gradients of NO3 loading and temperature. Replicated experiments found that few responses could be directly attributed to NO3 loading up to 6 x ambient. Some response metrics exhibited weak relationships with nutrient loading but could not be resolved with available statistical power. While direct nutrient responses were found for some species-specific metrics (e.g. green macroalgal growth and biomass, tissue N%, etc.), many patterns were confounded with temperature. Temperature generally had a larger effect on response metrics than did nutrient load. Experimental macrophyte communities exhibited community shifts consistent with the predicted effects of nutrient loading at 20 degrees C, but there was no evidence of other eutrophication symptoms (phytoplankton blooms or hypoxia) due to the short system-residence time. The Z. marina Nutrient Pollution Index (NPI) tracked the NO3 gradient at 10 degrees C, but exhibited no response at 20 degrees C, which may limit the utility of this metric in areas with marked thermal seasonality. Results suggest that teasing apart the influence of temperature and nutrients on the expression of eutrophication symptoms will require complex multi-stressor experiments and the use of indicators that are sensitive across a broad range of conditions. PMID- 29225372 TI - Demystifying Spasticity: Reply to Dietz. PMID- 29225371 TI - Breaking the prejudice habit: Mechanisms, timecourse, and longevity. AB - The prejudice habit-breaking intervention (Devine et al., 2012) and its offshoots (e.g., Carnes et al., 2012) have shown promise in effecting long-term change in key outcomes related to intergroup bias, including increases in awareness, concern about discrimination, and, in one study, long-term decreases in implicit bias. This intervention is based on the premise that unintentional bias is like a habit that can be broken with sufficient motivation, awareness, and effort. We conducted replication of the original habit-breaking intervention experiment in a sample more than three times the size of the original (N = 292). We also measured all outcomes every other day for 14 days and measured potential mechanisms for the intervention's effects. Consistent with previous results, the habit-breaking intervention produced a change in concern that endured two weeks post intervention. These effects were associated with increased sensitivity to the biases of others and an increased tendency to label biases as wrong. Contrasting with the original work, both control and intervention participants decreased in implicit bias, and the effects of the habit-breaking intervention on awareness declined in the second week of the study. In a subsample recruited two years later, intervention participants were more likely than control participants to object on a public online forum to an essay endorsing racial stereotyping. Our results suggest that the habit-breaking intervention produces enduring changes in peoples' knowledge of and beliefs about race-related issues, and we argue that these changes are even more important for promoting long-term behavioral change than are changes in implicit bias. PMID- 29225373 TI - Line intensities and temperature-dependent line broadening coefficients of Q branch transitions in the v2 band of ammonia near 10.4 MUm. AB - We report measured line intensities and temperature-dependent broadening coefficients of NH3 with Ar, N2, O2, CO2, H2O, and NH3 for nine sQ(J,K) transitions in the nu2 fundamental band in the frequency range 961.5-967.5 cm-1. This spectral region was chosen due to the strong NH3 absorption strength and lack of spectral interference from H2O and CO2 for laser-based sensing applications. Spectroscopic parameters were determined by multi-line fitting using Voigt lineshapes of absorption spectra measured with two quantum cascade lasers in thermodynamically-controlled optical cells. The temperature dependence of broadening was measured over a range of temperatures between 300 and 600 K. These measurements aid the development of mid-infrared NH3 sensors for a broad range of gas mixtures and at elevated temperatures. PMID- 29225374 TI - Theory of Biopolymer Stretching at High Forces. AB - We provide a unified theory for the high force entropic elasticity of biopolymers solely in terms of the persistence length, xip , and the monomer spacing, a. When the force f>F h ~ kBTxip /a2 the biopolymers behave as freely jointed chains (FJCs) while in the range F l ~ kBT/xip = 1/2. The success of a specific polymer model (FJC or WLC) to describe the FEC of a given biopolymer is naturally explained by the theory. Only by probing the response of biopolymers over a wide range of forces can the f-dependent elasticity be fully described. PMID- 29225375 TI - Folded concave penalized sparse linear regression: sparsity, statistical performance, and algorithmic theory for local solutions. AB - This paper concerns the folded concave penalized sparse linear regression (FCPSLR), a class of popular sparse recovery methods. Although FCPSLR yields desirable recovery performance when solved globally, computing a global solution is NP-complete. Despite some existing statistical performance analyses on local minimizers or on specific FCPSLR-based learning algorithms, it still remains open questions whether local solutions that are known to admit fully polynomial-time approximation schemes (FPTAS) may already be sufficient to ensure the statistical performance, and whether that statistical performance can be non-contingent on the specific designs of computing procedures. To address the questions, this paper presents the following threefold results: (i) Any local solution (stationary point) is a sparse estimator, under some conditions on the parameters of the folded concave penalties. (ii) Perhaps more importantly, any local solution satisfying a significant subspace second-order necessary condition (S3ONC), which is weaker than the second-order KKT condition, yields a bounded error in approximating the true parameter with high probability. In addition, if the minimal signal strength is sufficient, the S3ONC solution likely recovers the oracle solution. This result also explicates that the goal of improving the statistical performance is consistent with the optimization criteria of minimizing the suboptimality gap in solving the non-convex programming formulation of FCPSLR. (iii) We apply (ii) to the special case of FCPSLR with minimax concave penalty (MCP) and show that under the restricted eigenvalue condition, any S3ONC solution with a better objective value than the Lasso solution entails the strong oracle property. In addition, such a solution generates a model error (ME) comparable to the optimal but exponential-time sparse estimator given a sufficient sample size, while the worst-case ME is comparable to the Lasso in general. Furthermore, to guarantee the S3ONC admits FPTAS. PMID- 29225376 TI - Heterodyne detection with mismatch correction based on array detector. AB - Based on an array detector, a new heterodyne detection system, which can correct the mismatches of amplitude and phase between signal and local oscillation (LO) beams, is presented in this paper. In the light of the fact that, for a heterodyne signal, there is a certain phase difference between the adjacent two samples of analog-to-digital converter (ADC), we propose to correct the spatial phase mismatch by use of the time-domain phase difference. The corrections can be realized by shifting the output sequences acquired from the detector elements in the array, and the steps of the shifting depend on the quantity of spatial phase mismatch. Numerical calculations of heterodyne efficiency are conducted to confirm the excellent performance of our system. Being different from previous works, our system needs not extra optical devices, so it provides probably an effective means to ease the problem resulted from the mismatches. PMID- 29225377 TI - OCT imaging with temporal dispersion induced intense and short coherence laser source. AB - Lower coherence length and higher intensity are two indispensable requirements on the light source for high resolution and large penetration depth OCT imaging. While tremendous interest is being paid on engineering various laser sources to enlarge their bandwidth and hence lowering the coherence length, here we demonstrate another approach by employing strong temporal dispersion onto the existing laser source. Cholesteric liquid crystal (CLC) cells with suitable dispersive slope at the edge of 1-D organic photonic band gap have been designed to provide maximum reduction in coherence volume while maintaining the intensity higher than 50%. As an example, the coherence length of a multimode He-Ne laser is reduced by more than 730 times. PMID- 29225378 TI - Intensive ground vegetation growth mitigates the carbon loss after forest disturbance. AB - Aims: Slow or failed tree regeneration after forest disturbance is increasingly observed in the central European Alps, potentially amplifying the carbon (C) loss from disturbance. We aimed at quantifying C dynamics of a poorly regenerating disturbance site with a special focus on the role of non-woody ground vegetation. Methods: Soil CO2 efflux, fine root biomass, ground vegetation biomass, tree increment and litter input were assessed in (i) an undisturbed section of a ~ 110 years old Norway spruce stand, (ii) in a disturbed section which was clear-cut six years ago (no tree regeneration), and (iii) in a disturbed section which was clear-cut three years ago (no tree regeneration). Results: Total soil CO2 efflux was similar across all stand sections (8.5 +/- 0.2 to 8.9 +/- 0.3 t C ha-1 yr. 1). The undisturbed forest served as atmospheric C sink (2.1 t C ha-1 yr.-1), whereas both clearings were C sources to the atmosphere. The source strength three years after disturbance (-5.5 t C ha-1 yr.-1) was almost twice as high as six years after disturbance (-2.9 t C ha-1 yr.-1), with declining heterotrophic soil respiration and the high productivity of dense graminoid ground vegetation mitigating C loss. Conclusions: C loss after disturbance decreases with time and ground vegetation growth. Dense non-woody ground vegetation cover can hamper tree regeneration but simultaneously decrease the ecosystem C loss. The role of ground vegetation should be more explicitly taken into account in forest C budgets assessing disturbance effects. PMID- 29225380 TI - Performance of Anaerobic Biotrickling Filter and its Microbial Diversity for the Removal of Stripped Disinfection Byproducts. AB - The objective of this research was to evaluate the biodegradation of chloroform by using biotrickling filter (BTF) and determining the dominant bacteria responsible for the degradation. The research was conducted in three phases under anaerobic condition, namely, in the presence of co-metabolite (Phase I), in the presence of co-metabolite and surfactant (Phase II) and in the presence of surfactant but no co-metabolite (Phase III). The results showed that the presence of ethanol as a co-metabolite provided 49% removal efficiency. The equivalent elimination capacity (EC) was 0.13 g/(m3.hr). The addition of Tomadol 25 - 7 as a surfactant in the nutrient solution increased the removal efficiency of chloroform to 64% with corresponding EC of 0.17 g/(m3.hr). This research also investigated the overall microbial ecology of the BTF utilizing culture independent gene sequencing alignment of the 16S rRNA allowing identification of isolated species. Taxonomical composition revealed the abundance of deltaproteobacteria and deltaproteobacteria with species level of 97%. A. oryzae (formally dechlorosoma suillum), A. restrica and Geobacter spp. together with other similar groups were the most valuable bacteria for the degradation of chloroform. PMID- 29225379 TI - Tailoring Trehalose for Biomedical and Biotechnological Applications. AB - Trehalose is a non-reducing sugar whose ability to stabilize biomolecules has brought about its widespread use in biological preservation applications. Trehalose is also an essential metabolite in a number of pathogens, most significantly the global pathogen Mycobacterium tuberculosis, though it is absent in humans and other mammals. Recently, there has been a surge of interest in modifying the structure of trehalose to generate analogues that have applications in biomedical research and biotechnology. Non-degradable trehalose analogues could have a number of advantages as bioprotectants and food additives. Trehalose based imaging probes and inhibitors are already useful as research tools and may have future value in the diagnosis and treatment of tuberculosis, among other uses. Underlying the advancements made in these areas are novel synthetic methods that facilitate access to and evaluation of trehalose analogues. In this review, we focus on both aspects of the development of this class of molecules. First, we consider the chemical and chemoenzymatic methods that have been used to prepare trehalose analogues and discuss their prospects for synthesis on commercially relevant scales. Second, we describe ongoing efforts to develop and deploy detectable trehalose analogues, trehalose-based inhibitors, and non-digestible trehalose analogues. The current and potential future uses of these compounds are discussed, with an emphasis on their roles in understanding and combatting mycobacterial infection. PMID- 29225381 TI - Linking bacterial community structure to advection and environmental impact along a coast-fjord gradient of the Sognefjord, western Norway. AB - Here we present novel data on bacterial assemblages along a coast-fjord gradient in the Sognefjord, the deepest (1308 m) and longest (205 km) ice-free fjord in the world. Data were collected on two cruises, one in November 2012, and one in May 2013. Special focus was on the impact of advective processes and how these are reflected in the autochthonous and allochthonous fractions of the bacterial communities. Both in November and May bacterial community composition, determined by Automated Ribosomal Intergenic Spacer Analyses (ARISA), in the surface and intermediate water appeared to be highly related to bacterial communities originating from freshwater runoff and coastal water, whereas the sources in the basin water were mostly unknown. Additionally, the inner part of the Sognefjord was more influenced by side-fjords than the outer part, and changes in bacterial community structure along the coast-fjord gradient generally showed higher correlation with environmental variables than with geographic distances. High resolution model simulations indicated a surprisingly high degree of temporal and spatial variation in both current speed and direction. This led to a more episodic/discontinuous horizontal current pattern, with several vortices (10-20 km wide) being formed from time to time along the fjord. We conclude that during periods of strong wind forcing, advection led to allochthonous species being introduced to the surface and intermediate layers of the fjord, and also appeared to homogenize community composition in the basin water. We also expect vortices to be active mixing zones where inflowing bacterial populations on the southern side of the fjord are mixed with the outflowing populations on the northern side. On average, retention time of the fjord water was sufficient for bacterial communities to be established. PMID- 29225382 TI - Associations between Responsible Beverage Service Laws and Binge Drinking and Alcohol-Impaired Driving. AB - We explored potential associations between the strength of state Responsible Beverage Service (RBS) laws and self-reported binge drinking and alcohol-impaired driving in the U.S. A multilevel logistic mixed-effects model was used, adjusting for potential confounders. Analyses were conducted on the overall BRFSS sample and drinkers only. Seven percent of BRFSS respondents lived in states with the strongest RBS laws, 15% reported binge drinking and 2% reported driving after having too much to drink at least once in the past 30 days. There was no evidence of a significant association between RBS law strength and self-reported binge drinking or alcohol-impaired driving. Future studies should include additional information about RBS laws and use a prospective research design. PMID- 29225383 TI - Assessment of Risk and Protection in Native American Youth: Steps Toward Conducting Culturally Relevant, Sustainable Prevention in Indian Country. AB - Background: This study constitutes a building block in the cultural adaptation of Communities That Care (CTC), a community-based prevention system that has been found to be effective in reducing youth problem behaviors. Methods: Using the data from the CTC normative survey dataset that consists of more than quarter million youth nationwide, this study examines the reliability and validity of scores derived from the Communities That Care Youth Survey (CTC-YS), one of the primary assessment tools for gathering community data on risk and protective factors related to problem behaviors including substance use. The reliability and criterion validity analyses are conducted overall for the nationwide sample of youth as well as for the student subsample of Native American youth. Results: The results of this study indicate that the existing CTC-YS assessments of risk and protective factors in the domains of community, family, school, and peer groups as well as within individuals yield scores that are reliable and valid within the Native American sample of youth. Conclusions: This study informs the third step in the CTC prevention planning process, which involves the assessment of risk and protective factors to be targeted in preventive interventions. The question of how the assessment of risk and protective factors among Native American youth might be further improved and a description of efforts related to the cultural adaptation of the CTC program currently underway are also addressed in the discussion. PMID- 29225384 TI - The Role of Sulfur Dioxide in Stratospheric Aerosol Formation Evaluated Using In Situ Measurements in the Tropical Lower Stratosphere. AB - Stratospheric aerosols (SAs) are a variable component of the Earth's albedo that may be intentionally enhanced in the future to offset greenhouse gases (geoengineering). The role of tropospheric-sourced sulfur dioxide (SO2) in maintaining background SAs has been debated for decades without in-situ measurements of SO2 at the tropical tropopause to inform this issue. Here we clarify the role of SO2 in maintaining SAs by using new in-situ SO2 measurements to evaluate climate models and satellite retrievals. We then use the observed tropical tropopause SO2 mixing ratios to estimate the global flux of SO2 across the tropical tropopause. These analyses show that the tropopause background SO2 is about 5 times smaller than reported by the average satellite observations that have been used recently to test atmospheric models. This shifts the view of SO2 as a dominant source of SAs to a near-negligible one, possibly revealing a significant gap in the SA budget. PMID- 29225385 TI - Extrinsic local regression on manifold-valued data. AB - We propose an extrinsic regression framework for modeling data with manifold valued responses and Euclidean predictors. Regression with manifold responses has wide applications in shape analysis, neuroscience, medical imaging and many other areas. Our approach embeds the manifold where the responses lie onto a higher dimensional Euclidean space, obtains a local regression estimate in that space, and then projects this estimate back onto the image of the manifold. Outside the regression setting both intrinsic and extrinsic approaches have been proposed for modeling i.i.d manifold-valued data. However, to our knowledge our work is the first to take an extrinsic approach to the regression problem. The proposed extrinsic regression framework is general, computationally efficient and theoretically appealing. Asymptotic distributions and convergence rates of the extrinsic regression estimates are derived and a large class of examples are considered indicating the wide applicability of our approach. PMID- 29225386 TI - "I don't want to grow up, I'm a [Gen X, Y, Me] kid": Increasing maturity fears across the decades. AB - The current studies examined the hypothesis that maturity fears are increasing among undergraduate men and women from the United States over time. Study 1 used a time-lag method to assess generational effects of maturity fears among a large sample (n = 3,291) of undergraduate men and women assessed in 1982, 1992, 2002, and 2012. Results revealed that both men and women reported significantly higher rates of maturity fears across time. Study 2 replicated these findings, and used a more restricted time frame to more closely examine the rate of change. Undergraduate women (n = 554) were assessed in 2001, 2003, 2009, and 2012. Maturity fears were again found to increase from 2001 to 2012. Recent cohorts of emerging adults seem more reluctant to mature than previous cohorts. Many contributing factors may be at play, including challenging economic times, social pressures to remain youthful, and/or internal fears of assuming increased responsibility. PMID- 29225387 TI - Exploiting soft organic optical resonant structure towards large range electro optic tunable devices. AB - Very fine molecular arrangement of cholesteric liquid crystal (CLC), can be compressed by applying an external electric field in the liquid crystal cell geometry. This enables very fine tuning of the wavelength of the reflected light. The compression of the periodic dielectric molecular arrangement continues till the chiral energy density meets its repulsive-type excluded volume interaction and hence the corresponding resonant wavelength jumps back to the original spectral position. Experimentally, the tuning range is observed to be highly affected by the concentration of the chiral dopant in the mixture. Analytically, it is shown that, use of chiral molecules with higher helical twisting power (HTP) can reduce the concentration of the chiral dopant for a desired pitch length in visible range and hence, the spectral tuning can be exploited over the entire visible range. PMID- 29225388 TI - Latent classes of older foster youth: Prospective associations with outcomes and exits from the foster care system during the transition to adulthood. AB - Youth in the foster care system face considerable challenges during the transition to adulthood. However, there is significant variability within this population. This study uses person-oriented methods and a longitudinal dataset of youth aging out of foster care to examine differences in how subgroups of foster youth fare during the transition to adulthood. We identified four distinct latent classes, consistent with prior person-oriented studies of this population, and validated these classes by examining differences on additional relevant factors at age 17. After establishing these classes, we tested their predictive validity by examining differences in outcomes at age 19 in domains relevant to the transition to adulthood, including education and employment, problem behaviors, and mental health problems. Finally, given the importance of extended foster care in promoting better outcomes, we used survival analysis to prospectively examine whether class membership was associated with differences in the rates at which youth left foster care between ages 17 and 19. One large group of youth exhibited moderate behavior problems and left care quickly, while another large group of resilient youth had favorable outcomes and left care relatively slowly. A small group exhibited considerable behavior and mental health problems, but left care more slowly, and a very small group was characterized by a history of pregnancy. Findings suggest considerable variability in service need among older foster youth. Implications for service provision during the transition to adulthood are discussed. PMID- 29225389 TI - Parenting Attitudes, Family Environments, Depression, and Anxiety in Caregivers of Maltreated Children. AB - This study evaluated parenting attitudes, family environments, depression, and anxiety in a sample of primarily minority urban mothers to better understand maltreating mothers (n = 83), who retain custody of their children and how they are similar to and different from foster mothers (n = 50), kin caregivers (n = 52) of maltreated children, and comparison mothers (n = 100) from the same communities. Maltreating mothers were distinguished by their much higher levels of depression and anxiety from other mothers. In addition, like foster mothers, maltreating mothers were less likely to approve of corporal punishment. Foster mothers were higher in organization and lower in empathy than other groups. There were no differences by race/ethnicity on study dimensions. Higher education, however, was related to more favorable parenting attitudes and family environments. Practice implications related to appropriate services are suggested. PMID- 29225390 TI - Immigrant Bilingualism in Spain: An Asset or a Liability? AB - This study contributes to the ongoing debate about bilingual advantage and examines whether bilingual immigrant youths fare better, as well as, or worse academically than the matching group of monolinguals. Using data from Spain, where close to half of immigrants speak Spanish as their native language, we found no evidence of costs of bilingualism: bilingual youths did benefit from their linguistic skills. Their advantage, however, manifested itself not uniformly across discrete outcomes, but in a direct trajectory toward higher educational attainment. Bilingualism neutralized the possible negative effect of ethnic origins and extended the positive effect of high parental ambition. Implications for theory and practice are discussed. PMID- 29225391 TI - Early Intervention for Preschoolers at Risk for Attention-Deficit/Hyperactivity Disorder: Preschool First Step to Success. AB - This study evaluated the efficacy of the Preschool First Step (PFS) to Success early intervention for children at risk for attention deficit hyperactivity disorder (ADHD). PFS is a targeted intervention for children 3-5 years old with externalizing behavior problems and addresses secondary prevention goals and objectives. As part of a larger multisite, randomized controlled trial, the efficacy of the PFS program was evaluated on a subsample of 45 children who also had elevated comorbid ADHD symptoms as rated by parents and teachers. The PFS program was found to produce significantly higher social skills, and significantly fewer behavior problems across a variety of teacher-and parent reported measures at postintervention. Effect sizes for teacher-reported effects were large across a variety of social competency indicators, including those specific to ADHD. Effect sizes for parent-reported social skills and problem behaviors were medium. Although not specifically designed for preschoolers at risk for comorbid ADHD, this generic behavioral intervention appeared to be successful for this population. Implications and limitations of the study are discussed. PMID- 29225392 TI - A COMPUTATIONAL ANALYSIS OF BONE FORMATION IN THE CRANIAL VAULT USING A COUPLED REACTION-DIFFUSION-STRAIN MODEL. AB - Bones of the murine cranial vault are formed by differentiation of mesenchymal cells into osteoblasts, a process that is primarily understood to be controlled by a cascade of reactions between extracellular molecules and cells. We assume that the process can be modeled using Turing's reaction-diffusion equations, a mathematical model describing the pattern formation controlled by two interacting molecules (activator and inhibitor). In addition to the processes modeled by reaction-diffusion equations, we hypothesize that mechanical stimuli of the cells due to growth of the underlying brain contribute significantly to the process of cell differentiation in cranial vault development. Structural analysis of the surface of the brain was conducted to explore the effects of the mechanical strain on bone formation. We propose a mechanobiological model for the formation of cranial vault bones by coupling the reaction-diffusion model with structural mechanics. The mathematical formulation was solved using the finite volume method. The computational domain and model parameters are determined using a large collection of experimental data that provide precise three dimensional (3D) measures of murine cranial geometry and cranial vault bone formation for specific embryonic time points. The results of this study suggest that mechanical strain contributes information to specific aspects of bone formation. Our mechanobiological model predicts some key features of cranial vault bone formation that were verified by experimental observations including the relative location of ossification centers of individual vault bones, the pattern of cranial vault bone growth over time, and the position of cranial vault sutures. PMID- 29225393 TI - Implicit and Explicit Communal Coping in Couples with Recently Diagnosed Type 2 Diabetes. AB - When an individual in a close relationship is diagnosed with a chronic illness, coping can be the responsibility of the patient, or couple-members can cope communally. Communal coping reflects a shared appraisal of a stressor (our problem instead of my problem) and collaborative efforts to address the stressor. The current study examined whether patients' and partners' communal coping levels were associated with relational and health functioning among 70 couples in which one member was recently diagnosed with type 2 diabetes. We assessed explicit communal coping with self-reported "inclusion of the other in the self" in regard to diabetes management and implicit communal coping with first person plural pronoun usage during a diabetes discussion. We also assessed patient reports of support received from partners, patient and partner psychological distress, and patient self-care behavior. Results showed that patient explicit communal coping was related to better patient relationship quality and greater support receipt from partners. Patient and partner explicit communal coping also were related to reduced partner distress but not patient distress. Instead, partner implicit communal coping was related to reduced patient distress. Most noteworthy, partner implicit communal coping was related to better patient self-care behavior. These results suggest that communal coping may be beneficial for both relationships and health, but that the effects of explicit measures differ from those of implicit measures. Patients might benefit especially from partner communal coping efforts that are less obvious. PMID- 29225395 TI - Review: Water recovery from brines and salt-saturated solutions: operability and thermodynamic efficiency considerations for desalination technologies. AB - BACKGROUND: When water is recovered from a saline source, a brine concentrate stream is produced. Management of the brine stream can be problematic, particularly in inland regions. An alternative to brine disposal is recovery of water and possibly salts from the concentrate. RESULTS: This review provides an overview of desalination technologies and discusses the thermodynamic efficiencies and operational issues associated with the various technologies particularly with regard to high salinity streams. CONCLUSION: Due to the high osmotic pressures of the brine concentrates, reverse osmosis, the most common desalination technology, is impractical. Mechanical vapor compression which, like reverse osmosis, utilizes mechanical work to operate, is reported to have the highest thermodynamic efficiency of the desalination technologies for treatment of salt-saturated brines. Thermally-driven processes, such as flash evaporation and distillation, are technically able to process saturated salt solutions, but suffer from low thermodynamic efficiencies. This inefficiency could be offset if an inexpensive source of waste or renewable heat could be used. Overarching issues posed by high salinity solutions include corrosion and the formation of scales/precipitates. These issues limit the materials, conditions, and unit operation designs that can be used. PMID- 29225394 TI - Parents and partners: Moderating and mediating influences on intimate partner violence across adolescence and young adulthood. AB - Prior work examining intimate partner violence (IPV) among young adults often has emphasized familial characteristics, such as parent-child physical aggression (PCPA), and romantic relationship dynamics, such as jealousy and controlling behaviors, but has not considered these two domains simultaneously. Likewise, research examining how these two domains affect IPV perpetration over time for young adults is still limited. Using five waves of data from the Toledo Adolescent Relationships Study (N = 950), the present study examined the influence of parent-child relationship factors and romantic relationship dynamics in both their main and interactive effects on IPV perpetration spanning adolescence through young adulthood. Results from random-effects analyses indicated that both familial and romantic relationship dynamics should be taken into account when predicting IPV perpetration. Importantly, these two domains interacted to produce cumulatively different risk for engaging in violence against a romantic partner. Individuals were more likely to perpetrate IPV when their romantic relationship was characterized by verbal aggression if they reported PCPA experiences. PMID- 29225396 TI - New Students' Peer Integration and Exposure to Deviant Peers: Spurious Effects of School Moves? AB - School moves during adolescence predict lower peer integration and higher exposure to delinquent peers. Yet mobility and peer problems have several common correlates, so differences in movers' and non-movers' social adjustment may be due to selection rather than to causal effects of school moves. Drawing on survey and social network data from a sample of 7th and 8th graders, this study compared the structure and behavioral content of new students' friendship networks to those of not only non-movers, but also of students about to move schools; the latter should resemble new students in both observed and unobserved ways. The results suggest that the association between school moves and friends' delinquency is due to selection, but the association between school moves and peer integration may not be entirely due to selection. PMID- 29225397 TI - Concurrent OCT imaging of stimulus evoked retinal neural activation and hemodynamic responses. AB - It is well established that major retinal diseases involve distortions of the retinal neural physiology and blood vascular structures. However, the details of distortions in retinal neurovascular coupling associated with major eye diseases are not well understood. In this study, a multi-modal optical coherence tomography (OCT) imaging system was developed to enable concurrent imaging of retinal neural activity and vascular hemodynamics. Flicker light stimulation was applied to mouse retinas to evoke retinal neural responses and hemodynamic changes. The OCT images were acquired continuously during the pre-stimulation, light-stimulation, and post-stimulation phases. Stimulus-evoked intrinsic optical signals (IOSs) and hemodynamic changes were observed over time in blood-free and blood regions, respectively. Rapid IOSs change occurred almost immediately after stimulation. Both positive and negative signals were observed in adjacent retinal areas. The hemodynamic changes showed time delays after stimulation. The signal magnitudes induced by light stimulation were observed in blood regions and did not show significant changes in blood-free regions. These differences may arise from different mechanisms in blood vessels and neural tissues in response to light stimulation. These characteristics agreed well with our previous observations in mouse retinas. Further development of the multi-modal OCT may provide a new imaging method for studying how retinal structures and metabolic and neural functions are affected by age-related macular degeneration (AMD), glaucoma, diabetic retinopathy (DR), and other diseases, which promises novel noninvasive biomarkers for early disease detection and reliable treatment evaluations of eye diseases. PMID- 29225398 TI - Update on Bio-Refining and Nanocellulose Composite Materials Manufacturing. AB - Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiffness, unique photonic and piezoelectric properties, high stability and uniform structure. One of the factors limiting the potential of nanocellulose and the vast array of potential new products is the ability to produce high-volume quantities of this nano-material. However, recent research has demonstrated that nanocellulose can be efficently produced in large volumes from wood at relatively low cost by the incorporation of ionizing radiation in the process stream. Ionizing radiation causes significant break down of the polysaccharides and leads to the production of potentially useful gaseous products such as H2 and CO. Ionizing radiation processing remains an open field, ripe for innovation and application. This presentation will review the strong collaboration between the National Institute of Standards and Technology (NIST) and its academic partners pursuing the demonstration of applied ionizing radiation processing to plant materials for the manufacturing and characterization of novel nanomaterials. PMID- 29225399 TI - Endoscopic-CT: Learning-Based Photometric Reconstruction for Endoscopic Sinus Surgery. AB - In this work we present a method for dense reconstruction of anatomical structures using white light endoscopic imagery based on a learning process that estimates a mapping between light reflectance and surface geometry. Our method is unique in that few unrealistic assumptions are considered (i.e., we do not assume a Lambertian reflectance model nor do we assume a point light source) and we learn a model on a per-patient basis, thus increasing the accuracy and extensibility to different endoscopic sequences. The proposed method assumes accurate video-CT registration through a combination of Structure-from-Motion (SfM) and Trimmed-ICP, and then uses the registered 3D structure and motion to generate training data with which to learn a multivariate regression of observed pixel values to known 3D surface geometry. We demonstrate with a non-linear regression technique using a neural network towards estimating depth images and surface normal maps, resulting in high-resolution spatial 3D reconstructions to an average error of 0.53mm (on the low side, when anatomy matches the CT precisely) to 1.12mm (on the high side, when the presence of liquids causes scene geometry that is not present in the CT for evaluation). Our results are exhibited on patient data and validated with associated CT scans. In total, we processed 206 total endoscopic images from patient data, where each image yields approximately 1 million reconstructed 3D points per image. PMID- 29225400 TI - Image-Based Navigation for Functional Endoscopic Sinus Surgery Using Structure From Motion. AB - Functional Endoscopic Sinus Surgery (FESS) is a challenging procedure for otolaryngologists and is the main surgical approach for treating chronic sinusitis, to remove nasal polyps and open up passageways. To reach the source of the problem and to ultimately remove it, the surgeons must often remove several layers of cartilage and tissues. Often, the cartilage occludes or is within a few millimeters of critical anatomical structures such as nerves, arteries and ducts. To make FESS safer, surgeons use navigation systems that register a patient to his/her CT scan and track the position of the tools inside the patient. Current navigation systems, however, suffer from tracking errors greater than 1 mm, which is large when compared to the scale of the sinus cavities, and errors of this magnitude prevent from accurately overlaying virtual structures on the endoscope images. In this paper, we present a method to facilitate this task by 1) registering endoscopic images to CT data and 2) overlaying areas of interests on endoscope images to improve the safety of the procedure. First, our system uses structure from motion (SfM) to generate a small cloud of 3D points from a short video sequence. Then, it uses iterative closest point (ICP) algorithm to register the points to a 3D mesh that represents a section of a patients sinuses. The scale of the point cloud is approximated by measuring the magnitude of the endoscope's motion during the sequence. We have recorded several video sequences from five patients and, given a reasonable initial registration estimate, our results demonstrate an average registration error of 1.21 mm when the endoscope is viewing erectile tissues and an average registration error of 0.91 mm when the endoscope is viewing non-erectile tissues. Our implementation SfM + ICP can execute in less than 7 seconds and can use as few as 15 frames (0.5 second of video). Future work will involve clinical validation of our results and strengthening the robustness to initial guesses and erectile tissues. PMID- 29225401 TI - Weight Smoothing for Generalized Linear Models Using a Laplace Prior. AB - When analyzing data sampled with unequal inclusion probabilities, correlations between the probability of selection and the sampled data can induce bias if the inclusion probabilities are ignored in the analysis. Weights equal to the inverse of the probability of inclusion are commonly used to correct possible bias. When weights are uncorrelated with the descriptive or model estimators of interest, highly disproportional sample designs resulting in large weights can introduce unnecessary variability, leading to an overall larger mean square error compared to unweighted methods. We describe an approach we term 'weight smoothing' that models the interactions between the weights and the estimators as random effects, reducing the root mean square error (RMSE) by shrinking interactions toward zero when such shrinkage is allowed by the data. This article adapts a flexible Laplace prior distribution for the hierarchical Bayesian model to gain a more robust bias-variance tradeoff than previous approaches using normal priors. Simulation and application suggest that under a linear model setting, weight smoothing models with Laplace priors yield robust results when weighting is necessary, and provide considerable reduction in RMSE otherwise. In logistic regression models, estimates using weight-smoothing models with Laplace priors are robust, but with less gain in efficiency than in linear regression settings. PMID- 29225402 TI - Behavioral assay and chemical characters of female sex pheromones in the hermit crab Pagurus filholi. AB - Males of the hermit crab Pagurus filholi perform assessment behavior toward females, as a preliminary step of precopulatory guarding, during the reproductive season. It is known that such behavior is elicited by female sex pheromones, but the compounds involved have never been characterized in this species. Several experiments were conducted to develop a reliable bioassay along with purification procedures to identify potential compounds with pheromonal activity in Pagurus filholi. We developed a bioassay protocol to assess pheromonal activity by using an empty shell with cotton containing either artificial seawater (control) or test water. We measured and compared the time duration of male assessment behavior toward each shell if the test water contained female sex pheromones. Ultra-filtering of seawater samples potentially containing pheromones showed that the compound was <1 kDa in molecular weight. Males showed precopulatory assessment behavior toward "female conditioned" water samples treated with open column purification and eluted with MeOH, suggesting that compounds triggering male behavior were low polar molecules. Molecules with pheromonal activity were not volatile after freeze drying, effective even after heating to 90 degrees C, and remained active in seawater at 12 degrees C even after 6 days from sample collection, which suggests a rather stable characteristic of the female sex pheromones of this species. PMID- 29225403 TI - Male mate choice in a sexually cannibalistic species: male escapes from hungry females in the praying mantid Tenodera angustipennis. AB - While competing males and choosy females may be common in animal mating systems, male choice can evolve under certain conditions. Sexual cannibalism is such a condition because of the high mortality risk for males. In mantids, female body condition is associated with male mate preference, with fat females preferred, due to at least two reasons: females in poor nutritional condition are likely to attack and predate males, and fat females can potentially increase the number of offspring. Thus, the risk of cannibalism and female fecundity can influence male mating behavior. In this study, we attempted to separate these factors by using the praying mantid Tenodera angustipennis to examine whether male preference for fat female mantids was based on avoiding sexual cannibalism (cannibalism avoidance hypothesis) or preference for female fecundity (fecundity preference hypothesis). The feeding regimes were experimentally manipulated to discriminate between the effects of female fecundity and female hunger status on male and female mating behaviors. We found that recently starved females more frequently locomoted toward the male, and that male abdominal bending was less intensive and escape was sooner from recently starved females. These female and male behavioral responses to female hunger condition may reveal male avoidance of dangerous females in this mantid. PMID- 29225404 TI - Setting an evolutionary trap: could the hider strategy be maladaptive for white tailed deer? AB - An evolutionary trap occurs when an organism makes a formerly adaptive decision that now results in a maladaptive outcome. Such traps can be induced by anthropogenic environmental changes, with nonnative species introductions being a leading cause. The recent establishment of coyotes (Canis latrans) into the southeastern USA has the potential to change white-tailed deer (Odocoileus virginianus) population dynamics through direct predation and behavioral adaptation. We used movement rate and bedsite characteristics of radiocollared neonates to evaluate their antipredator strategies in the context of novel predation risk in a structurally homogeneous, fire-maintained ecosystem. Neonate bedsites had greater plant cover values compared with random sites (t = 30.136; p < 0.001), indicating bedsite selection was consistent with the hider strategy used to avoid predation. We determined selection gradients of coyote predation on neonate movement rate and plant cover and diversity at bedsites during the first 10 days of life. Interestingly, neonates that moved less and bedded in denser cover were more likely to be depredated by coyotes, meaning that greater neonate movement rate and bedsites located in less dense cover were favored by natural selection. These results are counter to expected antipredator strategies in white tailed deer and exemplify how an adaptive response could be maladaptive in novel contexts. PMID- 29225405 TI - Sometimes noise is beneficial: stream noise informs vocal communication in the little torrent frog Amolops torrentis. AB - Many kinds of environmental noise can interfere with acoustic communication and efficient decision making in terrestrial species. Here we identified an exception to this generalization in a streamside species, the little torrent frog (Amolops torrentis) which communicates in a stream noise environment. To determine whether stream noise can act as a cue regarding the microhabitat characteristics of senders, we performed phonotaxis experiments using stimulus pairs constructed with synthetic male calls (high or low dominant frequency) and stream noise with varied signal-to-noise ratios. We found that females prefer calls with high amplitude stream noise added compared to those with low amplitude stream noise added for both high and low dominant frequency stimulus pairs; however, stream noise itself was not attractive in the absence of calls. These results show that stream noise can function as a cue that may be used by females for enhancing the attractiveness of calls. Stream noise associates closely with rocks, topographies and vegetation and may thus provide useful microhabitat information for signal receivers, thereby acting on sexual selection. These data therefore contribute to our understanding of how the perception of mate attractiveness in heterogeneous ecological environments can evolve. PMID- 29225406 TI - Unique arm-flapping behavior of the pharaoh cuttlefish, Sepia pharaonis: putative mimicry of a hermit crab. AB - Cephalopods are able to control their arms sophisticatedly and use them for various behaviors, such as camouflage, startling predators and hunting prey. Here, we report a previously undescribed arm-flapping behavior of the pharaoh cuttlefish, Sepia pharaonis, observed in captivity. S. pharaonis raised the first pair of arms and wrinkled the parts near the distal end, where the skin color was darkened. Additionally, S. pharaonis spread the second and third pairs of arms and bent them as if they were jointed, and flapped the distal ends. S. pharaonis showed this behavior in two different situations: after being introduced into a large space, and during hunting. We discuss the putative functions of this behavior, including possible mimicry of a hermit crab, considering the situations in which the behavior was observed. PMID- 29225407 TI - Assessing type I error and power of multistate Markov models for panel data-A simulation study. AB - Ordinal outcomes collected at multiple follow-up visits are common in clinical trials. Sometimes, one visit is chosen for the primary analysis and the scale is dichotomized amounting to loss of information. Multistate Markov models describe how a process moves between states over time. Here, simulation studies are performed to investigate the type I error and power characteristics of multistate Markov models for panel data with limited non-adjacent state transitions. The results suggest that the multistate Markov models preserve the type I error and adequate power is achieved with modest sample sizes for panel data with limited non-adjacent state transitions. PMID- 29225408 TI - A simulation based method for assessing the statistical significance of logistic regression models after common variable selection procedures. AB - Classification models can demonstrate apparent prediction accuracy even when there is no underlying relationship between the predictors and the response. Variable selection procedures can lead to false positive variable selections and overestimation of true model performance. A simulation study was conducted using logistic regression with forward stepwise, best subsets, and LASSO variable selection methods with varying total sample sizes (20, 50, 100, 200) and numbers of random noise predictor variables (3, 5, 10, 15, 20, 50). Using our critical values can help reduce needless follow-up on variables having no true association with the outcome. PMID- 29225409 TI - School Context and American Indian Substance Use. AB - The present study extends prior research exploring the role of school contextual factors in predicting individual adolescent substance use by examining how a school's racial composition is associated with American Indian adolescent tobacco and marijuana use. Using a subsample of 523 American Indian students from the restricted use Add Health data, we consider both individual and school contextual factors across 99 schools. Our results suggest that a school's racial composition is associated with individual tobacco and marijuana use among American Indian youth, but in different ways depending upon the substance. Our findings illustrate the importance of extending research on the correlates of substance use for racial and ethnic minorities beyond studies examining African-Americans and/or Hispanics. PMID- 29225410 TI - Conformational Differentiation of alpha-Cyanohydroxycinnamic Acid Isomers: A Raman Spectroscopic Study. AB - Two alpha-cyanohydroxycinnamic acid positional isomers, alpha-cyano-4 hydroxycinnamic acid (CHCA4) and alpha-cyano-3-hydroxycinnamic acid (CHCA3), were characterized using Raman spectroscopy. We analyzed the implications of the collected Raman spectral shifts, and verified them through other spectroscopic techniques, to arrive at plausible three dimensional structures of CHCA3 and CHCA4. The positions of these groups were mapped by systematically analyzing the orientation and type of interactions functional groups make in each CHCA isomer. We determined whether or not the carboxylic moieties are forming dimeric links and ascertained the existence of ring-ring pi-stacking interactions. We also assessed the nature of the hydrogen bonding between -CN and -OH groups. The results were then taken together to model plausible three dimensional structures for each compound. The data revealed a structure for CHCA4 that matches the published x-ray crystallographic structure. We then applied the same spectral analysis to CHCA3 to reveal its plausible three dimensional structure. The structural details revealed may account for the functional properties of the two alpha-cyanohydroxycinnamic acid positional isomers. PMID- 29225411 TI - Key Strategies for Building Research Capacity of University Faculty Members. AB - Universities are under pressure to increase external research funding, and some federal agencies offer programs to expand research capacity in certain kinds of institutions. However, conflicts within faculty roles and other aspects of university operations influence the effectiveness of particular strategies for increasing research activity. We review conventional approaches to increasing research, focusing on outcomes for individual faculty members and use one federally-funded effort to build cancer-related research capacity at a public university as an example to explore the impact of various strategies on research outcomes. We close with hypotheses that should be tested in future formal studies. PMID- 29225412 TI - Identity, Victimization, and Support: Facebook Experiences and Mental Health Among LGBTQ Youth. AB - The rise of social networking sites (SNSs) has created new contexts within which lesbian, gay, bisexual, transgender, and queer (LGBTQ) youth and young adults manage their social identities and relationships. On one hand, SNSs provide important social support; on the other, they comprise another realm for victimization and discrimination. Context collapse refers to the ways diverse subgroups (e.g., family, co-workers) are often united in Facebook networks, which presents unique challenges related to outness. In this study, we examine the Facebook contexts of a cohort of LGBTQ youth and young adults with regard to outness, victimization, social support, and psychological distress by first examining descriptive statistics and correlations, and then testing a series of multiple regressions in an analytic sample of 175 (Mage = 24.02 years) LGBTQ youth. Participants reported levels of daily Facebook use comparable to other samples of non-LGBTQ youth; however, they reported greater use of security controls, which may function as a tool for managing outness. Participants reported slightly lower outness across relational subgroups on Facebook, and associations between outness to relational subgroups were slightly stronger on Facebook, illustrating the potential impact of context collapse. Regression results showed that great victimization, cyberbullying, and the offering of support online were positively associated with psychological distress. Study findings illuminate how LGBTQ youth use and manage their identities on Facebook and highlight the importance of online contexts in shaping wellbeing for LGBtQ outh and young adults. PMID- 29225413 TI - Outbreak of Hospital Infection from Biofilm-embedded Pan Drug-resistant Pseudomonas aeroginosa, Due to a Contaminated Bronchoscope. AB - Background: Colistin-resistant Pseudomonas aeruginosa (P. aeruginosa) has been defined as pandrug-resistant (PDR) strain. Outbreaks of PDR P. aeruginosa especially in pulmonary tract infections due to contaminated bronchoscopes have rarely been reported. The emergence of pandrug-resistant strains in both CF (Cystic Fibrosis) and non-CF clinical isolates over recent years remains of a great concern. Hospital wards contaminated with PDR P. aeruginosa infection, must be shot down until their eradication. Health Authorities must be informed immediately and infection control strategies must be implemented. Aim: To report such an outbreak and modify the infection control strategy in an academic hospital in Ankara Turkey. Methods: From October to December 2013, PDR Pseudomonas aerogionsa were identified from bronchial cultures of 15 patients who had undergone bronchoscopy prior to the infection. Three batches of surveillance cultures were obtained from the environmental objects and healthcare workers related to the procedures. Pulsed-field gel electrophoresis (PFGE) was used for bacterial typing. Antimicrobial susceptibility was assessed by disc diffusion and E-test methods. Findings: A total of 70 specimens were obtained during the first surveillance operation. One Colistin-resistant P. aeroginosa was isolated from a bronchoscope. Although the disinfection protocols for bronchoscope were revised and implemented, seven additional bronchial cases were identified thereafter. The pathogen was identified from two subsequent surveillance cultures and was not eliminated until Ethylene oxide sterilization was added to the disinfection protocol. PFGE revealed that all 15 isolates from the patients and the three isolates from the bronchoscope shared a common pattern with minor variance. XbaI restriction enzyme turned out better than SpeI in interpreting bacterial pulse types with BioNumerics 6.0. The most suitable cut off value for SpeI was above 80% Dice similarity while for XbaI above 95%Dice similarity with BioNumerics 6.0. Conclusion: The outbreak of "Colistin" pan drug-resistant Pseudomonas aeroginosa was caused by a contaminated bronchoscope and was terminated by the implementation of a revised disinfection protocol for bronchoscope. PMID- 29225414 TI - Residual Sleep Problems Predict Reduced Response to Prolonged Exposure among Veterans with PTSD. AB - Objectives: While evidence-based treatments exist for posttraumatic stress disorder (PTSD), a significant sub-set of veterans continue to meet criteria for PTSD after treatment. Sleep problems may affect treatment retention and predict efficacy for PTSD treatments. Methods: The present study used data from a clinical trial of Prolonged Exposure therapy (PE) administered to veterans (N=154) to evaluate whether residual sleep symptoms remained after treatment completion, and if so, whether these residual sleep symptoms were associated with higher levels of PTSD and comorbid depression at the end of treatment. Participants (ages 20 to 75 years old; 35.7% Black; 54.5% married) completed demographic questions, symptom assessments, and engagement-related surveys. Results: Hierarchical multiple linear regression models demonstrated that changes in sleep were significant predictors of PTSD and depression symptom reduction above and beyond the influence of demographic and engagement factors (e.g., therapy satisfaction). Conclusions: Greater residual sleep symptoms were predictive of smaller treatment gains. Findings illustrate the potential significance of sleep during the course of PTSD treatment, leading to several important clinical assessment and treatment implications. PMID- 29225415 TI - A Co-flow Structure for Goal-Directed Internal Change. AB - We describe a co-flow structure that models internal, goal-directed changes to an attribute (e.g., employee loyalty) of fundamental material (e.g., employees). This co-flow accommodates problems not adequately modeled with an existing, generic structure. Our structure builds on the co-flow proposed by Hines, which uses an information delay to model external change to an attribute. We use a first-order information delay to model both external changes to the attribute from the material stock and internal changes from an internal goal for the attribute. We provide an exact, dynamic solution for this co-flow enabling us to precisely describe its equilibrium and non-equilibrium behavior. Several examples are provided and discussed, including a situation where a management program is designed to increase average employee loyalty. In addition, we review applications of traditional and Hines co-flow structures to provide background and to describe our evolutionary path towards design of the new co-flow. PMID- 29225416 TI - Getting PEEK to Stick to Bone: The Development of Porous PEEK for Interbody Fusion Devices. AB - Interbody fusion cages are routinely implanted during spinal fusion procedures to facilitate arthrodesis of a degenerated or unstable vertebral segment. Current cages are most commonly made from polyether-ether-ketone (PEEK) due to its favorable mechanical properties and imaging characteristics. However, the smooth surface of current PEEK cages may limit implant osseointegration and may inhibit successful fusion. We present the development and clinical application of the first commercially available porous PEEK fusion cage (COHERE(r), Vertera, Inc., Atlanta, GA) that aims to enhance PEEK osseointegration and spinal fusion outcomes. The porous PEEK structure is extruded directly from the underlying solid and mimics the structural and mechanical properties of trabecular bone to support bone ingrowth and implant fixation. Biomechanical testing of the COHERE(r) device has demonstrated greater expulsion resistance versus smooth PEEK cages with ridges and greater adhesion strength of porous PEEK versus plasma sprayed titanium coated PEEK surfaces. In vitro experiments have shown favorable cell attachment to porous PEEK and greater proliferation and mineralization of cell cultures grown on porous PEEK versus smooth PEEK and smooth titanium surfaces, suggesting that the porous structure enhances bone formation at the cellular level. At the implant level, preclinical animal studies have found comparable bone ingrowth into porous PEEK as those previously reported for porous titanium, leading to twice the fixation strength of smooth PEEK implants. Finally, two clinical case studies are presented demonstrating the effectiveness of the COHERE(r) device in cervical spinal fusion. PMID- 29225417 TI - Comparison of RAFT derived Poly(vinylpyrolidone) verses Poly(oligoethyleneglycol methacrylate) for the Stabilization of Glycosylated Gold Nanoparticles. AB - Carbohydrates dictate many biological processes including infection by pathogens. Glycosylated polymers and nanomaterials which have increased affinity due to the cluster glycoside effect, are therefore useful tools to probe function, but also as prophylactic therapies or diagnostic tools. Here, the effect of polymer structure on the coating of gold nanoparticles is studied in the context of grafting density, buffer stability and in a lectin binding assay. RAFT polymerization is used to generate poly(oligoethyleneglycol methacrylates) and poly(N-vinyl pyrolidones) with a thiol end-group for subsequent immobilization onto the gold. It is observed that poly(oligoethylene glycol methacrylates), despite being widely used particle coatings, lead to low grafting densities which in turn resulted in lower stability in biological buffers. A depression of the cloud point upon nanoparticle immobilization is also seen, which might compromise performance. In comparison poly(vinyl pyrolidones) resulted in stable particles with higher grafting densities due to the compact size of each monomer unit. The higher grafting density also enabled an increase in the number of carbohydrates which can be installed per nanoparticle at the chain ends, and gave increased binding in a lectin recognition assay. These results will guide the development of new nanoparticle biosensors with enhanced specificity, affinity and stability. PMID- 29225418 TI - Influence of Inbreeding on Female Mate Choice in Two Species of Drosophila. AB - Many organisms have been reported to choose their mates in order to increase the heterozygosity of their offspring by avoiding mating with relatives or homozygous individuals. Most previous studies using Drosophila melanogaster have used artificial chromosomes or extreme inbreeding treatments, situations unlikely to be matched in nature. Additionally, few studies have examined the interaction between female inbreeding status and her choice of mate. Using females and males from populations that had experienced either random mating or one generation of sib-sib inbreeding, we measured the preferences of females for males. Our results indicate that outbred males were chosen more often than inbred males and that this preference may be more pronounced in outbred females than in inbred ones. PMID- 29225419 TI - Colloidal Synthesis of Strongly Fluorescent CsPbBr3 Nanowires with Width Tunable down to the Quantum Confinement Regime. PMID- 29225420 TI - Projection-based stabilization of interface Lagrange multipliers in immersogeometric fluid-thin structure interaction analysis, with application to heart valve modeling. AB - This paper discusses a method of stabilizing Lagrange multiplier fields used to couple thin immersed shell structures and surrounding fluids. The method retains essential conservation properties by stabilizing only the portion of the constraint orthogonal to a coarse multiplier space. This stabilization can easily be applied within iterative methods or semi-implicit time integrators that avoid directly solving a saddle point problem for the Lagrange multiplier field. Heart valve simulations demonstrate applicability of the proposed method to 3D unsteady simulations. An appendix sketches the relation between the proposed method and a high-order-accurate approach for simpler model problems. PMID- 29225421 TI - Flow-through microfluidic immunosensors with refractive index-matched silica monoliths as volumetric optical detection elements. AB - A sensitive and rapid absorbance based immunosensor that utilizes ex situ functionalized porous silica monoliths as volumetric optical detection elements is demonstrated in this study. The porous monolith structure facilitates high capture probe density and short diffusion length scales, enabling sensitive and rapid assays. Silica monoliths, synthesized and functionalized with immunocapture probes off-chip before integration into a sealed thermoplastic microfluidic device, serve to capture target antigens during perfusion through the porous structure. Gold nanoparticle immunoconjugates are combined with silver enhancement to create microscale silver clusters, followed by perfusion of an aqueous sucrose solution to limit light scattering and enhance optical signal. Using this approach, detection limits as low as 1 ng/mL are achieved for a sandwich assay, with a dynamic range of at least 4 logs. The results confirm that the combination of on-chip index matching with functionalized porous silica monoliths can enables simple and practical flow-through immunoassays for the sensitive and rapid detection of target antigens. PMID- 29225422 TI - A mangrove creek restoration plan utilizing hydraulic modeling. AB - Despite the valuable ecosystem services provided by mangrove ecosystems they remain threatened around the globe. Urban development has been a primary cause for mangrove destruction and deterioration in south Florida USA for the last several decades. As a result, the restoration of mangrove forests has become an important topic of research. Using field sampling and remote-sensing we assessed the past and present hydrologic conditions of a mangrove creek and its connected mangrove forest and brackish marsh systems located on the coast of Naples Bay in southwest Florida. We concluded that the hydrology of these connected systems had been significantly altered from its natural state due to urban development. We propose here a mangrove creek restoration plan that would extend the existing creek channel 1.1 km inland through the adjacent mangrove forest and up to an adjacent brackish marsh. We then tested the hydrologic implications using a hydraulic model of the mangrove creek calibrated with tidal data from Naples Bay and water levels measured within the creek. The calibrated model was then used to simulate the resulting hydrology of our proposed restoration plan. Simulation results showed that the proposed creek extension would restore a twice-daily flooding regime to a majority of the adjacent mangrove forest and that there would still be minimal tidal influence on the brackish marsh area, keeping its salinity at an acceptable level. This study demonstrates the utility of combining field data and hydraulic modeling to aid in the design of mangrove restoration plans. PMID- 29225423 TI - Adiposity Measures and Plasma Adipokines in Females with Rheumatoid and Osteoarthritis. AB - The objective of this study was to examine the relationship between adipokines and adiposity in individuals with rheumatoid and osteoarthritis in the Atlantic PATH cohort. Using a nested case-control analysis, participants in the Atlantic PATH cohort with rheumatoid or osteoarthritis were matched for measures of adiposity with participants without a history of arthritis. Both measured and self-reported data were used to examine disease status, adiposity, and lifestyle factors. Immunoassays were used to measure plasma markers. BMI was positively correlated with percentage body fat, fat mass index (FMI), and a change in BMI from 18 years of age in all 3 groups. There were no statistical differences between levels of plasma adipokines; adiponectin levels were 6.6, 7.9, and 8.2 MUg/ml, leptin levels were 10.3, 13.7, and 11.5 ng/ml, and resistin levels were 10.0, 12.1, and 10.8 ng/ml in participants without arthritis, with rheumatoid arthritis, and with osteoarthritis, respectively. Those with higher levels of adiponectin were more likely to have osteoarthritis (but not rheumatoid arthritis). No association was found between arthritis types and leptin or resistin. This study demonstrates differences in measures of adiposity and adipokines in specific types of arthritis and highlights the need for more research targeting specific adipokines during arthritic disease progression. PMID- 29225424 TI - Parametric analysis of electromechanical and fatigue performance of total knee replacement bearing with embedded piezoelectric transducers. AB - Total knee arthroplasty (TKA) is a common procedure in the United States; it has been estimated that about 4 million people are currently living with primary knee replacement in this country. Despite huge improvements in material properties, implant design, and surgical techniques, some implants fail a few years after surgery. A lack of information about in vivo kinetics of the knee prevents the establishment of a correlated intra- and postoperative loading pattern in knee implants. In this study, a conceptual design of an ultra high molecular weight (UHMW) knee bearing with embedded piezoelectric transducers is proposed, which is able to measure the reaction forces from knee motion as well as harvest energy to power embedded electronics. A simplified geometry consisting of a disk of UHMW with a single embedded piezoelectric ceramic is used in this work to study the general parametric trends of an instrumented knee bearing. A combined finite element and electromechanical modeling framework is employed to investigate the fatigue behavior of the instrumented bearing and the electromechanical performance of the embedded piezoelectric. The model is validated through experimental testing and utilized for further parametric studies. Parametric studies consist of the investigation of the effects of several dimensional and piezoelectric material parameters on the durability of the bearing and electrical output of the transducers. Among all the parameters, it is shown that adding large fillet radii results in noticeable improvement in the fatigue life of the bearing. Additionally, the design is highly sensitive to the depth of piezoelectric pocket. Finally, using PZT-5H piezoceramics, higher voltage and slightly enhanced fatigue life is achieved. PMID- 29225425 TI - Free Market Ideology and Deregulation in Colorado's Oilfields: Evidence for triple movement activism? AB - Unconventional oil and gas extraction (UOGE) has spurred an unprecedented boom in on-shore production in the U.S. Despite a surge in related research, a void exists regarding inquiries into policy outcomes and perceptions. To address this, support for federal regulatory exemptions for UOGE is examined using survey data collected in 2015 from two northern Colorado communities. Current regulatory exemptions for UOGE can be understood as components of broader societal processes of neoliberalization. Free market ideology increases public support for federal regulatory exemptions for UOGE. Perceived negative impacts do not necessarily drive people to support increased federal regulation. Utilizing neo-Polanyian theory, interaction between free market ideology and perceived negative impacts is explored. Free market ideology appears to moderate people's views of regulation: increasing the effect of perceived negative impacts while simultaneously increasing support for deregulation. To conclude, the ways in which free market ideology might normalize the impacts of UOGE activity are discussed. PMID- 29225426 TI - Incidence and predictors of total knee arthroplasty following knee arthroscopy. AB - Objective: The purpose of this study was to determine the effectiveness of knee arthroscopy (KA) in patients with symptomatic meniscal tears or mechanical symptoms and OA, by using conversion to TKA as a final outcome measure. Methods: Retrospective review of all patients with OA who underwent KA in our practice. Results: 1215 KAs were reviewed; 3.9% underwent conversion to TKA at an average of 3.2 years. Conclusion: KA plays a role in delaying TKA in knees with meniscal tears and mechanical symptoms with concurrent OA. PMID- 29225427 TI - Molecular docking analysis of curcumin analogues with COX-2. AB - Curcumin analogues were evaluated for COX-2 inhibitory as anti-inflammatory activities. The designed analogues significantly enhance COX-2 selectivity. The three compounds could dock into the active site of COX-2 successfully. The binding energies of -8.2, - 7.6 and -7.5 kcal/mol were obtained for three analogues of curcumin respectively. Molecular docking study revealed the binding orientations of curcumin analogues in the active sites of COX-2 towards the design of potent inhibitors. PMID- 29225428 TI - Ymr210wp leads to the accumulation of phospholipids and steryl esters in yeast. AB - Ymr210w was identified as a MAG (Monoacylglycerol) lipase. The accumulation of the phospholipids in the ymr210wDelta was not clearly understood. It was expressed in S. cerevisiae using pYES2/CT vector and His-tag purified recombinant protein confirmed TAG lipase activity. To further evaluate the role of YMR210w, ester hydrolase activity was also confirmed with pNP-acetate, pNP-butyrate and pNP - palmitate. GC-MS lipid profiling of ymr210wDelta showed an increase in the 15:0 Pentadecanoic acid by 76% among the total lipids. Phospholipid, Erucic acid 22:1 (Delta13) showed 43% increase while steryl esters showed significant changes with 16:0 hexadecanoic acid augmentations by 80% and 18:0 Octadecanoic acid by 165% when compared to wild type (WT). Increase in the steryl ester and TAG content supports the accumulation of lipid bodies in ymr210wDelta strain when compared with WT cells. PMID- 29225429 TI - In Silico Validation of D7 Salivary Protein-derived B- and T-cell Epitopes of Aedes aegypti as Potential Vaccine to Prevent Transmission of Flaviviruses and Togaviruses to Humans. AB - Mosquito (Aedes aegyptii) salivary proteins play a crucial role in facilitating viral transmission from vector-to-host due to their role in facilitating the "blood meal" of the vector. Three main proteins, D7, aegyptin and Sialokinin play a role in this process. Using in-silico programs, we identified B- and T-cell epitopes in the mosquito salivary proteins D7 long and short form. T-cell epitopes with high affinity to the most prevalent HLA MHC class-I supertypes among different population groups was chosen. It is our postulate that these epitopes could be successful in eliciting B and T cell responses, which would decrease the vector blood meal efficiency and hence protect against host infection by certain viruses. These include causative agents like Dengue viruses, Chikungunya virus, Zika and Yellow fever viruses. These viruses are of major public health importance in several countries in the Americas, Asia and Africa. Experimental evidence exists in previously published literature showing the protective effect of antibodies to certain salivary proteins in susceptible hosts. A novel approach of immunizing humans against the vector proteins to reduce transmission of viruses is now under investigation in several laboratories. We have identified the following two B cell epitopes LAALHVTAAPLWDAKDPEQF one from D7L and the other TSEYPDRQNQIEELNKLCKN from D7S. Likewise, two T cell epitopes MTSKNELDV one from D7L and the other YILCKASAF from D7S with affinity to the predominant MHC class-I supertypes were identified towards evaluation as potential vaccine. PMID- 29225430 TI - Insights from the Molecular dynamics simulation of BcsD Subunit from K. xylinus. AB - Biofilms are bacteria living in micro-colonies with a protective coating in sessile form. The biofilm protects bacteria from harsh surroundings as well as help in antibiotics resistance using a semi-fluid substance. Cellulose is the major component of biofilm, which provides the sticky appearance to bacteria for attaching to the substratum. The bacteria communicate in biofilm with the help of quorum sensing hormones Acylated Homoserine Lactones (AHL's). In Komagataeibacter xylinus the four genes Bcs A, Bcs B, Bcs C, Bcs D are associated with cellulose biosynthesis. The Bcs D subunits have a hypothetical octamer pore-like structure through which glucan molecule pass to form the cellulose. Therefore, it is of interest to document a structural understanding of Bcs D. Hence a homology model of Bcs D was simulated and analyzed further to gain functional insight towards biofilm formation. PMID- 29225431 TI - Insights from the protein-protein interaction network analysis of Mycobacterium tuberculosis toxin-antitoxin systems. AB - Protein-protein interaction (PPI) network analysis is a powerful strategy to understand M. tuberculosis (Mtb) system level physiology in the identification of hub proteins. In the present study, the PPI network of 79 Mtb toxin-antitoxin (TA) systems comprising of 167 nodes and 234 edges was investigated. The topological properties of PPI network were examined by 'Network analyzer' a cytoscape plugin app and STRING database. The key enriched biological processes and the molecular functions of Mtb TA systems were analyzed by STRING. Manual curation of the PPI data identified four proteins (i.e. Rv2762c, VapB14, VapB42 and VapC42) to possess the highest number of interacting partners. The top 15% hub proteins were identified in the PPI network by employing two statistical measures, i.e. betweenness and radiality by employing cytohubba. Insights gained from the molecular protein models of VapC9 and VapC10 are also documented. PMID- 29225432 TI - Molecular docking based screening of a simulated HIF-1 protein model for potential inhibitors. AB - Hypoxia inducible factor-1(HIF-1) is a bHLH-family transcription factor that control genes involved in glucolysis, angiogenesis, migration, as well as invasion factors that are important for tumor progression and metastasis. HIF-1, a hetero dimer of HIF-1alpha and HIF-1beta, binds to the hypoxia responsive genes, such as vascular endothelial growth factor (VEGF). It is one the molecular target for angiogenesis. A series of Chalcone - like compounds described that preferentially inhibit HIF-1 dimer, which can interact with amino acids within the active site of the protein. It is of interest model the HIF-1 dimer protein and protein was subjected to molecular dynamics simulations using NAMD 2.9 software with CHARMM27 force field in water and the protein structure was minimized with 25000 steps for 500 ps and simulation with 1000000 steps for 2ns. 2500 compounds were screened from Zinc database through structure based virtual screening with references to Chalcone natural drug compound. The screened compounds were docked into the active site of the protein using AutoDock Vina in PyRx Virtual screening tool. The docking result showed the compounds Zinc04280532, Zinc04280533, Zinc04280469, Zinc04280534, Zinc16405915, Zinc04277060, Zinc04280538, Zinc04582923, Zinc05280554 and Zinc05943723 have high binding affinities then query compound. The lead hit compounds were also testing for toxicity and bioavailability using Osiris and Molinspiration online server. The active site amino acids such as TYR-21, ASN-34, VAL-35, MET-18, LYS-17, SER 36, ARG- 46 and ARG-14 are key role in the inhibitors activity. This is useful in the design of small molecule therapeutics or the treatment of different abnormalities associated with impaired HIF-1alpha. PMID- 29225433 TI - Supervoxels for Graph Cuts-Based Deformable Image Registration Using Guided Image Filtering. AB - In this work we propose to combine a supervoxel-based image representation with the concept of graph cuts as an efficient optimization technique for 3D deformable image registration. Due to the pixels/voxels-wise graph construction, the use of graph cuts in this context has been mainly limited to 2D applications. However, our work overcomes some of the previous limitations by posing the problem on a graph created by adjacent supervoxels, where the number of nodes in the graph is reduced from the number of voxels to the number of supervoxels. We demonstrate how a supervoxel image representation, combined with graph cuts-based optimization can be applied to 3D data. We further show that the application of a relaxed graph representation of the image, followed by guided image filtering over the estimated deformation field, allows us to model 'sliding motion'. Applying this method to lung image registration, results in highly accurate image registration and anatomically plausible estimations of the deformations. Evaluation of our method on a publicly available Computed Tomography lung image dataset (www.dir-lab.com) leads to the observation that our new approach compares very favorably with state-of-the-art in continuous and discrete image registration methods achieving Target Registration Error of 1.16mm on average per landmark. PMID- 29225434 TI - Estimation of Sobolev embedding constant on a domain dividable into bounded convex domains. AB - This paper is concerned with an explicit value of the embedding constant from [Formula: see text] to [Formula: see text] for a domain [Formula: see text] ([Formula: see text]), where [Formula: see text]. We previously proposed a formula for estimating the embedding constant on bounded and unbounded Lipschitz domains by estimating the norm of Stein's extension operator. Although this formula can be applied to a domain Omega that can be divided into a finite number of Lipschitz domains, there was room for improvement in terms of accuracy. In this paper, we report that the accuracy of the embedding constant is significantly improved by restricting Omega to a domain dividable into bounded convex domains. PMID- 29225435 TI - Perspective: Cardiovascular Disease among Young African American Males. PMID- 29225436 TI - Perspective: Late-Stage (T4) Translation Research and Implementation Science: The National Heart, Lung, and Blood Institute Strategic Vision. AB - In August 2016, the National Heart, Lung, and Blood Institute (NHLBI) released its Strategic Vision for charting a course for research over the next decade. This vision was the culmination of an unprecedented process that engaged diverse stakeholders from across the United States and around the globe. The process resulted in four mission-oriented goals and eight strategic objectives that provide an overall framework for advancing research in heart, lung, and blood diseases and sleep disorders. In this perspective, we address opportunities that NHLBI has identified to advance late-stage (T4) translation research, implementation science, health inequities research, global health research, and related research workforce development. Additionally, we highlight the importance of continued active engagement of the clinical and public health research community and the strategic, transdisciplinary, cross-sector partnerships necessary for advancing research priorities to maximize the population-level outcomes and health impact of scientific discoveries. PMID- 29225437 TI - Inequalities in Hypertension and Diabetes in Canada: Intersections between Racial Identity, Gender, and Income. AB - A growing body of research from the United States informed by intersectionality theory indicates that racial identity, gender, and income are often entwined with one another as determinants of health in unexpectedly complex ways. Research of this kind from Canada is scarce, however. Using data pooled from ten cycles (2001 2013) of the Canadian Community Health Survey, we regressed hypertension (HT) and diabetes (DM) on income in subsamples of Black women (n = 3,506), White women (n = 336,341), Black men (n = 2,806) and White men (n = 271,260). An increase of one decile in income was associated with lower odds of hypertension and diabetes among White men (ORHT = .98, 95% CI (.97, .99); ORDM = .93, 95% CI (.92, .94)) and White women (ORHT = .95, 95% CI (.95, .96); ORDM = .90, 95% CI (.89, .91)). In contrast, an increase of one decile in income was not associated with either health outcome among Black men (ORHT = .99, 95% CI (.92, 1.06); ORDM = .99, 95% CI (.91, 1.08)) and strongly associated with both outcomes among Black women (ORHT = .86, 95% CI (.80, .92); ORDM = .83, 95% CI (.75, .92)). Our findings highlight the complexity of the unequal distribution of hypertension and diabetes, which includes inordinately high risks of both outcomes for poor Black women and an absence of associations between income and both outcomes for Black men in Canada. These results suggest that an intersectionality framework can contribute to uncovering health inequalities in Canada. PMID- 29225438 TI - Influence of Language and Culture in the Primary Care of Spanish-Speaking Latino Adults with Poorly Controlled Diabetes: A Qualitative Study. AB - Background: We examined the role of language and culture in the interactions between Spanish-speaking Latino patients with poorly controlled diabetes - a fast growing population in the United States - and their primary care providers. Methods: We conducted four focus groups with 36 non-US born Spanish-speaking patients with elevated HbA1c. Participants were insured health plan members with either English-speaking (2 groups) or Spanish-speaking (2 groups) primary care providers. Moderated discussions focused on visit preparation, communication during visit, and role of other care team members. Key themes derived from these discussions were then linked to corresponding Latino cultural constructs. Results: Patients had a mean age of 57.9 (+/-11.2) years and last measured HbA1c was 8.6% (1.5%). Two communication-related themes (reluctance to switch providers and use of intermediaries) and two visit-related themes (provider-driven visit agendas and problem-based visits) emerged from our analyses. These themes reflected the cultural constructs of confianza (trust), familismo (family), respeto (deference), and simpatia (harmonious relationship). Trust in the patient provider relationship led many participants to remain with English-speaking providers who treated them well. Patients with either language concordant and discordant providers reported reliance on family or other intermediaries to close communication gaps. Deference to physician expertise and authority led to visit expectations that it is the doctor's job to know what to ask and that visits were intended to address specific, often symptom-driven problems. Conclusions: Spanish speaking Latino patients' cultural expectations play an important role in framing their primary care interactions. Recognizing culturally influenced visit expectations is an important step toward improving patient-provider communication. PMID- 29225439 TI - Exploring the "Obesity Paradox" as a Correlate of Cognitive and Physical Function in Community-dwelling Black and White Older Adults. AB - Objective: The obesity paradox has been documented in aged populations, yet it remains unclear if this paradox persists for physical and cognitive outcomes in community-dwelling older adult populations. Our study examines associations between body mass index (BMI) classification, cognitive function, and physical function. We also investigate whether these associations are modified by race or age. Design: Cross-sectional study. Setting: Senior residential sites and community centers in Saint Louis, Missouri. Participants: Study participants included 331 adults, aged >55 years. Age was stratified into young-old (aged 55 74 years) and older (aged >=75 years). Outcome Measures: Physical function was measured using the mini-Physical Performance Test (mini-PPT) and grip strength. Cognitive function was assessed with the Short Blessed Test (SBT) and the Trail Making Tests (TMT-A and TMT-B) performance. Results: Older adults who were obese had significantly better cognitive flexibility (TMT-B) performance than normal weight older adults (P=.02), and this association was not influenced by age or race. Adiposity was not associated with psychomotor speed (TMT-A), general cognition (SBT), or measures of physical function (Ps>.05). Conclusion: In a diverse sample of community-dwelling older adults, we found partial support for the controversial obesity paradox. Our results suggest excess adiposity may be protective for executive function processes. Future research is needed to examine the underlying physiological processes linking adiposity to executive function in older adults. PMID- 29225440 TI - Smoking Urges During Treatment and Long-Term Cessation among Low-Income African Americans. AB - Objective: The urge to smoke is a predictor of smoking relapse. Little research has focused on the impact of acute urges during treatment among African Americans. This study examined the relationship between smoking urges and long term abstinence among treatment seekers. Design: Longitudinal prospective investigation. Urges to smoke were assessed at the initial (session 1) and final (session 8) sessions among adult smokers (N=308) enrolled in a 4-week group intervention trial. Nicotine patch use was assessed over 30 days. Main Outcome Measures: Biochemically verified 7-day point prevalence abstinence (7-day ppa) was assessed immediately post-intervention, and at 3-, 6-, and 12-month follow ups. Hierarchical logistic regressions tested associations between session 1 and session 8 urges and 7-day ppa at each smoking status assessment. Results: There was a significant overall decrease in smoking urges (M=29, SD=15 at session 1; M=17, SD=11 at session 8). After controlling for covariates, urges to smoke at session 1 were unrelated to 7-day ppa at any of the assessment points. However, session 8 urges were inversely associated with 7-day ppa post-intervention (AOR=.94, CI:.92-.97), at 3-months (AOR=.93, CI: .89-.97), 6-months (AOR=.93, CI: .90-.97), and 12-months (AOR=.96, CI: .96-.99). Nicotine patch use was positively associated with 7-day ppa at each assessment. Conclusions: The most robust predictors of abstinence through 12-months post-intervention were decreased urges over the 4-week, 8-session group intervention and the frequency of nicotine patch use. Interventions aimed at addressing the needs of African American smokers should address urges and encourage nicotine replacement adherence to increase abstinence rates. PMID- 29225441 TI - A Racial Comparison of Differences between Self-Reported and Objectively Measured Physical Activity among US Adults with Diabetes. AB - Objective: To investigate: 1) the racial/ethnic disparities in meeting the recommended physical activity as measured by subjective vs objective measures in a national sample of individuals with type 2 diabetes mellitus; and 2) the racial/ethnic differences with respect to the magnitude of the discrepancy between self-reported and objectively measured moderate-to-vigorous intensity aerobic physical activity (MVPA). Methods: We used data from the National Health and Nutrition Examination Survey (NHANES) 2003-06 to calculate and compare the percentage of individuals with diabetes who achieved the recommended levels of physical activity as measured by subjective self-report (500 metabolic equivalents (MET)-minutes/week) and objective accelerometer measurement (150 minutes per week of MVPA) across racial/ethnic groups. Results: 71.2%, 15.7%, and 13.1% of participants were White, African American, and Hispanic, respectively. Based on self-report, 67.1%, 39.2%, and 55.1% of Whites, African Americans, and Hispanics, respectively, met the 500 MET-minutes/week threshold of physical activity (P<.0001). Objective measurement by accelerometer showed that 44.2%, 42.6%, and 65.1% of Whites, African Americans, and Hispanics, respectively, met the threshold (P<.0003). Conclusions: Many individuals with type 2 diabetes mellitus did not meet the recommended physical activity thresholds. African Americans had the lowest proportion of meeting both the self-reported and objectively measured thresholds. White patients with diabetes overestimated frequency of their physical activity, while their Hispanic counterparts significantly underestimated it. Also, the gap between the two measures of MVPA was largest among Hispanics. PMID- 29225442 TI - Increasing Physical Activity in Black Women: Results from a Randomized Trial Conducted in Faith-Based Settings. AB - Objective: The Learning and Developing Individual Exercise Skills (L.A.D.I.E.S.) for a Better Life study compared a faith-integrated (FI) and a secular (SEC) intervention for increasing physical activity with a self-guided (SG) control group among African American women. Design/Setting/Participants: L.A.D.I.E.S. was a cluster randomized, controlled trial. Churches (n=31) were randomized and women within each church (n=12 - 15) received the same intervention. Interventions: FI and SEC participants received 24 group-based sessions, delivered over 10 months. SG participants received printed materials to review independently for 10 months. Participants were followed for 12-months post-intervention to assess long-term intervention impact. Main Outcome Measures: Data on participant characteristics, physical activity, and intervention-related constructs were collected at baseline, 10 months, and 22 months. Results: Intervention session attendance was greater for FI compared with SEC participants (15.7 + 5.7 vs 12.4 + 7.3 sessions, respectively, P<.01). After 10 months, FI and SEC participants significantly increased daily walking (+1,451 and +1,107 steps/day, respectively) compared with SG participants (-128 steps/day). Increases were maintained after 22 months in the FI group compared with the SG group (+1092 vs. +336 daily steps, P<.01). Between-group changes in accelerometer-assessed physical activity were not statistically significant at any time point. Conclusions: The FI intervention is a feasible strategy for short- and long-term increases in physical activity among African American women. Additional dissemination and evaluation of the strategy could be useful for reducing chronic disease in this high-risk population. PMID- 29225443 TI - Perceived Stress in Black and Latino Male Firefighters: Associations with Risk and Protective Factors. AB - Objective: To compare the prevalence of work-related protective and risk factors among Black and Latino male firefighters and to examine the association of these factors to perceived stress among both ethnic groups. Design Setting Participants: Participants included 1,036 male, career firefighters who self identified as Black (n=477) or Latino (n=559) from a large fire department in a major metropolitan city in the southwestern United States. As part of a department-wide suicide prevention program conducted in 2008, participants completed an anonymous and voluntary mental health needs survey. Measures: The needs survey included questions regarding prevalence of work-related protective and risk factors, the RAPS-4 to assess substance abuse problems, and the 10-item Perceived Stress Scale. Results: Results of regression analyses indicated that for both Black and Latino male firefighters, alcohol abuse (beta =.13, beta =.22), self-reported good health (beta = -.23, beta =-.24) and a positive partner/spouse relationship (beta =-.14, beta = -.15) were related to perceived stress. In addition, having a second job (beta = .12) and a sense of life calling (beta =-.10) were related to perceived stress only among Latino firefighters. All associations were in the expected direction as indicated by the signs of the standardized beta coefficients (beta). Conclusion: Black and Latino male firefighters reported relatively high levels of perceived stress. However, there were both differences and similarities in the factors associated to perceived stress among the ethnic groups. Therefore, interventions to help firefighters reduce or manage stress need to take into account that factors associated with perceived stress may vary by ethnic group. PMID- 29225444 TI - Prevalence and Correlates of Major Depressive Symptoms among Black Men with Prostate Cancer. AB - Objectives: The objectives of our study were to determine the prevalence of major depressive symptoms and identify factors that are associated with major depressive symptoms among Black men with prostate cancer (PCa). Design: This study consisted of 415 Black men aged 40-81 years that entered the North Carolina Central Cancer Registry during the years 2007-2008. The primary outcome variable was depressive symptoms (CES-D). Factors included age, income, education, insurance status, treatment received, time between diagnosis and treatment, Gleason score, medical mistrust and experience with racism/discrimination. Logistic regression models were used to assess factors associated with the odds of having major depressive symptoms. Results: The prevalence of major depressive symptoms (>=16 on CES-D) among our sample of Black men with PCa was approximately 33%. Approximately 15% of the study participants underwent radiation beam treatment. Age was significantly associated with the odds of reporting major depressive symptoms (OR= .95, CI .91-.99) among Black men. In addition, compared with all other forms of treatment, Black men who underwent radiation beam treatment had higher odds (OR=2.38, CI 1.02- 5.51) of reporting major depressive symptoms. Conclusion: Nearly one-third of Black men with PCa in this study reported major depressive symptoms. Clinicians should pay closer attention to the mental health status of Black men with PCa, especially those who are younger and those who have undergone radiation beam treatment. Cancer survivorship, particularly quality of life, may be enhanced by opportunities for assessment, evaluation and intervention of depressive symptoms among these men disproportionately affected by PCa. PMID- 29225445 TI - "They have said that I was slightly depressed but there are circumstances that bring that on": How Middle-Aged and Older African American Men Describe Perceived Stress and Depression. AB - Objective: Few studies have focused on how men perceive stress and depression, and even fewer have examined how men of a specific racial or ethnic group describe their experiences of these conditions. African American men tend to define health in ways that are inclusive of their physical health, health behaviors, and mental health, but research has largely failed to explore how men put their health and mental health in social contexts. The objective of this article is to explore how middle-aged and older African American men who self identify as having depression: 1) differentiate stress from depression; and 2) describe depression. Design: Using data from semi-structured, individual interviews conducted between March and April 2014, we used a phenomenological approach to examine how men describe, experience, and perceive stress and depression. Setting: Nashville, Tennessee. Participants: 18 African American men aged 35-76 years who self-reported a previous or current diagnosis of depression. Results: Men talked about the experiences of stress and how many of them viewed chronic stress as expected and depression as a normal part of life. They used phrases like being "slightly depressed" or "I take a light antidepressant" to describe how they feel and what they are doing to feel better. Within these narratives, men had difficulty distinguishing between stress and depression and they primarily explained that depression was the result of external stressors and strains. Conclusions: Men may have difficulty distinguishing between stress and depression and they may frame the causes of depression in ways that decrease their perceived culpability for its causes and limit their perceived control over the causes of depression. PMID- 29225446 TI - Use of Internet for General and Dental Health along Acculturation Features in a Sample of Mexican Americans. AB - The objectives of this study were to explore self-reported Internet and electronic platforms used to search for and store medical and dental information among people of Mexican origin. A sample of adults self-identified as European American (250) and as Mexican American (255), residing in Central Indiana, answered a one-time survey that included technology use questions and measured acculturation via the Psychological-Behavioral Acculturation Scale. Overall use of information technologies was estimated through an Information and Communication Technology score. Overall, participants with higher scores searched online for general and oral health information at higher rates than those with lower scores. Younger Mexican Americans and those with higher use scores were more likely to search online for general health information, as were those more psychologically and behaviorally acculturated. Interestingly, Mexican Americans were more likely than European Americans to search online for dental health information. All participants demonstrated high interest in accessing and storing their own health information especially on paper format; storage in other places, such as personal computers, smartphones, or USB flash drives, was less endorsed. Most participants would allow spouses access to their health records; however, there were significant differences between both population groups regarding access given to physicians, dentists and other family members, with Mexican Americans reporting more restrictions. Our findings provide initial information on differential use pattern of electronic health resources among Mexican Americans and suggest that new information technologies reach population groups traditionally underserved; such features may help address disparities in general and dental health. PMID- 29225447 TI - Engaging African Americans in Research: The Recruiter's Perspective. AB - Purpose: To examine barriers recruiters encounter when enrolling African American study participants, identify motivating factors to increase research participation, and provide recommendations to facilitate successful minority recruitment. Background: Recruiters are often the first point of contact between the research study and potential African American participants. While challenges in enrolling African Americans into clinical and epidemiologic research has been reported in numerous studies the non-physician recruiter's role as a determinant of overall participation rates has received minimal attention. Methods: We conducted four 90-minute teleconference focus groups with 18 recruiters experienced in enrolling African Americans for clinical and epidemiologic studies at five academic/medical institutions. Participants represented diverse racial and ethnic backgrounds and were asked to reflect on barriers preventing African Americans from participating in research studies, factors that motivated participation, and recommendations to increase participation of African Americans in research. Multi-coder and thematic data analysis was implemented using the Braun and Clarke method. Results: Prominent concerns in recruitment of African Americans in research include fear and mistrust and inflexible research protocols. The participants suggest that improved recruitment could be achieved through cross-cultural and skillset building training opportunities for recruiters, greater community engagement among researchers, and better engagement with clinic staff and research teams. PMID- 29225448 TI - Commentary: De-implementation Science: A Virtuous Cycle of Ceasing and Desisting Low-Value Care Before Implementing New High Value Care. AB - Implementation science has traditionally focused on increasing the delivery of evidence-based care. The science of systematically stopping low-value and wasteful care is substantially under-recognized, and if successful, may decrease the workload of clinicians. De-implementation science identifies problem areas of low-value and wasteful practice, carries out rigorous scientific examination of the factors that initiate and maintain such behaviors, and then employs evidence based interventions to cease these practices. In this commentary, we describe how this approach for de-implementation might require a different set of health systems supports, economic and non-economic levers, and behavior change techniques that can lead to a virtuous cycle, ie, a complex chain of events that positively reinforce themselves through a feedback loop of removing low-value care to make room for high quality care. PMID- 29225449 TI - Action Centered Contextual Bandits. AB - Contextual bandits have become popular as they offer a middle ground between very simple approaches based on multi-armed bandits and very complex approaches using the full power of reinforcement learning. They have demonstrated success in web applications and have a rich body of associated theoretical guarantees. Linear models are well understood theoretically and preferred by practitioners because they are not only easily interpretable but also simple to implement and debug. Furthermore, if the linear model is true, we get very strong performance guarantees. Unfortunately, in emerging applications in mobile health, the time invariant linear model assumption is untenable. We provide an extension of the linear model for contextual bandits that has two parts: baseline reward and treatment effect. We allow the former to be complex but keep the latter simple. We argue that this model is plausible for mobile health applications. At the same time, it leads to algorithms with strong performance guarantees as in the linear model setting, while still allowing for complex nonlinear baseline modeling. Our theory is supported by experiments on data gathered in a recently concluded mobile health study. PMID- 29225450 TI - Therapist Use of Specific and Nonspecific Strategies Across Two Affect-Focused Psychotherapies for Depression: Role of Adherence Monitoring. AB - Psychotherapists routinely use both specific and non-specific strategies to deliver empirically supported treatments (ESTs). Psychotherapy adherence monitoring has traditionally focused on assessing therapist use of EST-specific strategies (to distinguish between ESTs), paying less attention to non-specific techniques common to multiple psychotherapies. This study used the Collaborative Study Psychotherapy Rating Scale (CSPRS) to evaluate therapist use of both specific and non-specific techniques in two affect-focused ESTs for depression. Blinded raters evaluated 180 recorded sessions of interpersonal psychotherapy (IPT) and brief supportive psychotherapy (BSP). Because IPT and BSP both emphasize attention to affective states and developing a warm therapy relationship, we expected overlap across scales measuring therapist warmth, empathy, and focus on feelings. In contrast, we expected differences in scales measuring therapist directiveness, as well as IPT- and BST-specific interventions. Results showed raters displayed good inter-rater reliability on primary subscales and could discriminate between two treatments with considerable overlap. Both IPT and BSP therapists used similarly high levels of non-specific, facilitative interventions. Expectedly, IPT therapists were more directive and used more IPT-specific strategies, while BSP therapists utilized more non directive, supportive strategies. Unexpectedly, BSP therapists showed greater focus on feelings than IPT therapists. Exploratory analyses suggested that greater focus on feelings in early sessions was associated with greater depressive symptom reduction in the first eight weeks of treatment for both ESTs. Additional treatment adherence research is needed to investigate both shared and distinctive features of ESTs, as well as the effect of the relative use of specific versus non-specific interventions on psychotherapy outcomes. PMID- 29225451 TI - The Efficacy of a Home-School Intervention for Preschoolers With Challenging Behaviors: A Randomized Controlled Trial of Preschool First Step to Success. AB - The field of early intervention is currently faced with the challenge of reducing the prevalence of antisocial behavior in children. Longitudinal outcomes research indicates that increased antisocial behavior and impairments in social competence skills during the preschool years often serve as harbingers of future adjustment problems in a number of domains including mental health, interpersonal relations, and academic achievement. This article reports the results of a cross-site randomized controlled trial, in which 128 preschool children with challenging behaviors were assigned to either a Preschool First Step to Success (PFS) intervention (i.e., experimental) or a usual-care (i.e., control) group. Regression analyses indicated that children assigned to the Preschool First Step intervention had significantly higher social skills, and significantly fewer behavior problems, across a variety of teacher- and parent-reported measures at postintervention. Effect sizes for teacher-reported effects ranged from medium to large across a variety of social competency indicators; effect sizes for parent reported social skills and problem behaviors were small to medium, respectively. These results suggest that the preschool adaptation of the First Step intervention program provides early intervention participants, staff, and professionals with a viable intervention option to address emerging antisocial behavior and externalizing behavior disorders prior to school entry. PMID- 29225452 TI - The Effects of Perceived Racial/Ethnic Discrimination on Substance Use Among Youths Living in the Cherokee Nation. AB - We examined frequency and intensity of racial/ethnic discrimination and the longitudinal relationship to substance use. The sample included (N = 1,421) American Indian, American Indian and White, and White adolescents. A high frequency of perceived racial discrimination was associated with an increased risk for heavy alcohol use, prescription drug misuse, and other illicit drug use. Experiences of perceived racial discrimination high in intensity were associated with further increased risk of prescription drug misuse and other illicit drug use. Race/ethnicity did not moderate the relationship between perceived racial discrimination and substance use. Interventions targeting the deleterious effects of racial discrimination may need to be designed to account for both the environment and the individual. PMID- 29225453 TI - A Comparison of Methods for Uncovering Sample Heterogeneity: Structural Equation Model Trees and Finite Mixture Models. AB - Although finite mixture models have received considerable attention, particularly in the social and behavioral sciences, an alternative method for creating homogeneous groups, structural equation model trees (Brandmaier, von Oertzen, McArdle, & Lindenberger, 2013), is a recent development that has received much less application and consideration. It is our aim to compare and contrast these methods for uncovering sample heterogeneity. We illustrate the use of these methods with longitudinal reading achievement data collected as part of the Early Childhood Longitudinal Study-Kindergarten Cohort. We present the use of structural equation model trees as an alternative framework that does not assume the classes are latent and uses observed covariates to derive their structure. We consider these methods as complementary and discuss their respective strengths and limitations for creating homogeneous groups. PMID- 29225454 TI - Exploratory Mediation Analysis via Regularization. AB - Exploratory mediation analysis refers to a class of methods used to identify a set of potential mediators of a process of interest. Despite its exploratory nature, conventional approaches are rooted in confirmatory traditions, and as such have limitations in exploratory contexts. We propose a two-stage approach called exploratory mediation analysis via regularization (XMed) to better address these concerns. We demonstrate that this approach is able to correctly identify mediators more often than conventional approaches and that its estimates are unbiased. Finally, this approach is illustrated through an empirical example examining the relationship between college acceptance and enrollment. PMID- 29225455 TI - Treatment of Major Depressive Disorder with Iyengar Yoga and Coherent Breathing: A Randomized Controlled Dosing Study. AB - Objectives: The aims of this study were to assess the effects of an intervention of Iyengar yoga and coherent breathing at five breaths per minute on depressive symptoms and to determine optimal intervention yoga dosing for future studies in individuals with major depressive disorder (MDD). Methods: Subjects were randomized to the high-dose group (HDG) or low-dose group (LDG) for a 12-week intervention of three or two intervention classes per week, respectively. Eligible subjects were 18-64 years old with MDD, had baseline Beck Depression Inventory-II (BDI-II) scores >=14, and were either on no antidepressant medications or on a stable dose of antidepressants for >=3 months. The intervention included 90-min classes plus homework. Outcome measures were BDI-II scores and intervention compliance. Results: Fifteen HDG (Mage=38.4+/-15.1 years) and 15 LDG (Mage=34.7+/-10.4 years) subjects completed the intervention. BDI-II scores at screening and compliance did not differ between groups (p=0.26). BDI-II scores declined significantly from screening (24.6+/-1.7) to week 12 (6.0+/-3.8) for the HDG (-18.6+/-6.6; p < 0.001), and from screening (27.7+/-2.1) to week 12 (10.1+/-7.9) in the LDG (-17.7+/-9.3; p < 0.001). There were no significant differences between groups, based on response (i.e., >50% decrease in BDI-II scores; p=0.65) for the HDG (13/15 subjects) and LDG (11/15 subjects) or remission (i.e., number of subjects with BDI-II scores <14; p=1.00) for the HDG (14/15 subjects) and LDG (13/15 subjects) after the 12-week intervention, although a greater number of subjects in the HDG had 12-week BDI-II scores <=10 (p=0.04). Conclusion: During this 12-week intervention of yoga plus coherent breathing, depressive symptoms declined significantly in patients with MDD in both the HDG and LDG. Both groups showed comparable compliance and clinical improvements, with more subjects in the HDG exhibiting BDI-II scores <=10 at week 12. PMID- 29225456 TI - Ciliary neurotrophic factor in patients with primary open-angle glaucoma and age related cataract. AB - Purpose: To study the ciliary neurotrophic factor (CNTF) concentration in the aqueous humor (AH), lacrimal fluid (LF), and blood serum (BS) in patients with age-related cataract and primary open-angle glaucoma (POAG). Methods: CNTF concentrations were studied in 61 patients with age-related cataract, 55 patients with POAG combined with cataract, and 29 healthy controls (one eye in each person). Preliminary experiments permitted us to extend the minimum quantifiable value of the CNTF Quantikine enzyme-linked immunosorbent assay (ELISA) kit to 2.5 pg/ml. Results: The levels of CNTF in LF and BS did not differ in patients with cataract and controls. The CNTF concentration (pg/ml) in patients with POAG and cataract was lower than in patients with cataract (p<0.001) in AH (39.9+/-26.2 versus 57.2+/-25.6) and in LF (25.7+/-14.9 versus 39.9+/-18.0). The differences were not statistically significant for the CNTF level in BS (5.45+/-4.72 versus 5.96+/-4.92) and the AH/LF ratio (1.69+/-1.05 versus 1.58+/-0.70). In the patients with POAG, the AH level of CNTF correlated with the visual field index (Pearson's correlation coefficient r = 0.35, p = 0.01). A statistically significant decrease in the AH and LF concentrations of CNTF was observed in patients in all stages of POAG compared with the cataract group. This decrease was particularly prominent in patients with severe glaucoma. Compared to patients with combined early and moderate stages of disease patients with advanced glaucoma showed an insignificant reduction in the median CNTF concentration in AH and LF. The serum CNTF concentration did not show any dependence on the glaucoma stage. The CNTF concentration in the AH strongly correlated with the CNTF concentration in the LF (r=0.71, p<0.000). A formula was suggested to calculate the concentration of CNTF in AH based on the CNTF concentration in LF. Conclusions: The CNTF concentration is reduced in the AH and LF of patients with POAG, especially in those with severe visual field loss. The CNTF concentration in AH and LF showed a strong correlation, and this phenomenon opens up new options for a noninvasive estimation of the CNTF concentration in AH. The CNTF concentration established in the AH, LF, and BS of patients with age-related cataract can serve as normative data for persons older than 50 years old. PMID- 29225457 TI - Corneal regeneration by induced human buccal mucosa cultivated on an amniotic membrane following alkaline injury. AB - : Various clinical disorders and injuries, such as chemical, thermal, or mechanical injuries, may lead to corneal loss that results in blindness. PURPOSE: The aims of this study were to differentiate human buccal mucosa (BMuc) into corneal epithelial-like cells, to fabricate engineered corneal tissue using buccal mucosal epithelial cells, and to reconstruct a damaged corneal epithelium in a nude rat model. Methods: BMuc were subjected to 10 d of induction factors to investigate the potential of cells to differentiate into corneal lineages. Results: Corneal stem cell markers beta1-integrin, C/EBPdelta, ABCG2, p63, and CK3 were upregulated in the gene expression analysis in induced BMuc, whereas CK3 and p63 showed significant protein expression in induced BMuc compared to the uninduced cells. BMuc were then left to reach 80% confluency after differential trypsinization. The cells were harvested and cultivated on a commercially available untreated air-dried amniotic membrane (AM) in a Transwell system in induction medium. The corneal constructs were fabricated and then implanted into damaged rat corneas for up to 8 weeks. A significant improvement was detected in the treatment group at 8 weeks post-implantation, as revealed by slit lamp biomicroscopy analysis. The structure and thickness of the corneal layer were also analyzed using histological staining and time-domain optical coherence tomography scans and were found to resemble a native corneal layer. The protein expression for CK3 and p63 were continuously detected throughout the corneal epithelial layer in the corneal construct. Conclusions: In conclusion, human BMuc can be induced to express a corneal epithelial-like phenotype. The addition of BMuc improves corneal clarity, prevents vascularization, increases corneal thickness and stromal alignment, and appears to have no adverse effect on the host after implantation. PMID- 29225458 TI - Antiangiogenic effect of dasatinib in murine models of oxygen-induced retinopathy and laser-induced choroidal neovascularization. AB - Purpose: Vascular endothelial growth factor (VEGF) is a principal mediator of pathological ocular neovascularization, which is the leading cause of blindness in various ocular diseases. As Src, a non-receptor tyrosine kinase, has been implicated as one of the major signaling molecules in VEGF-mediated neovascularization, the present study aimed to investigate whether dasatinib, a potent Src kinase inhibitor, could suppress pathological ocular neovascularization in murine models of oxygen-induced retinopathy (OIR) and choroidal neovascularization (CNV). Methods: Tube formation, scratch wounding migration, and cell proliferation assays were performed to measure the inhibitory effect of dasatinib on VEGF-induced angiogenesis in human retinal microvascular endothelial cells. Murine models of OIR and laser-induced CNV were used to assess the preventive effect of an intravitreal injection of dasatinib on pathological neovascularization in the retina and choroid. Neovascularization and Src phosphorylation were evaluated with immunofluorescence staining. Results: Dasatinib efficiently inhibited VEGF-induced endothelial proliferation, wounding migration, and tube formation. In mice with OIR and laser injury-induced CNV, eyes treated with a single intravitreal injection of dasatinib exhibited significant decreases in pathological neovascularization compared with that of controls injected with vehicle. The dasatinib-treated OIR mice also showed a decrease in Src phosphorylation in the periretinal tufts. The intravitreal injection of dasatinib did not cause ocular toxicity at the treatment dose administered. Conclusions: These results demonstrated that dasatinib suppressed pathological neovascularization in the mouse retina and choroid. Therefore, dasatinib may be indicated for the treatment of ischemia-induced proliferative retinopathy and neovascular age-related macular degeneration. PMID- 29225459 TI - Research into Theory into Practice: An Overview of Family Based Interventions for Child Antisocial Behavior Developed at the Oregon Social Learning Center. AB - Although many psychotherapeutic approaches exist for treating troubled children and their families, not all have been evaluated to be effective through research. Moreover, among those that have been determined to be "evidence-based," few have followed as coherent and rigorous a path of rigorous scientific investigation as the interventions that have been developed at the Oregon Social Learning Center. As such, these interventions serve as a model of "research to theory to practice" that may not only be employed to support families with children in need of treatment, but may also guide other programs of treatment development. This is the story of how this work has unfolded over the past four decades. PMID- 29225460 TI - Intravitreal bevacizumab injections versus dexamethasone implant for treatment naive retinal vein occlusion related macular edema. AB - Purpose: To compare the short-term effects of three monthly intravitreal bevacizumab (IVB) injections to single dexamethasone (DEX) implantation in treatment-naive patients with cystoid macular edema (CME) secondary to branch (BRVO) and central retinal vein occlusion (CRVO). Design: A retrospective single center study. Subjects: A total of 135 eyes of 135 patients with BRVO (n=83) and CRVO (n=52). Methods: Changes in clinical parameters were recorded before treatment and at the first and third month after commencement of IVB (n=121) and DEX (n=14). Main outcome measures: Central retinal thickness (CRT), intraocular pressure (IOP), and best-corrected visual acuity (BCVA). Results: The baseline parameters were comparable between IVB and DEX groups. After the first month, CRT decreased by 131.3+/-42.9 MUm in IVB and by 266.9+/-48.3 MUm in DEX (mean +/- SEM; p=0.047). IOP change was -0.29+/-0.39 mmHg in IVB and +3.70+/-2.34 mmHg in DEX (p=0.005). IOP elevation to >=25 mmHg and >=5 mmHg from the baseline was observed in two of the DEX- and in none of the IVB-treated eyes (p=0.010). After the third month, no differences regarding CRT and IOP were observed between the treatment modalities. Moreover, BCVA gain was comparable between IVB (0.37+/-0.05 logarithm of minimum angle of resolution [logMAR] units) and DEX (0.33+/-0.30 logMAR units) groups. Conclusion: DEX was associated with faster resolution of CME, but had greater probability for short-term IOP elevation when compared to IVB. After the third month, treatments were comparably effective. Anatomical outcomes and adverse drug reactions of IVB versus DEX should be considered case specifically in patients having CME secondary to BRVO/CRVO. PMID- 29225461 TI - Risperidone mucoadhesive buccal tablets: formulation design, optimization and evaluation. AB - The aim of this study was to design and optimize risperidone (RIS) mucoadhesive buccal tablets for systemic delivery as an alternative route. Direct compression method was used for the preparation of buccal tablets, and screening studies were conducted with different polymers to determine their effects on tablet characteristics. Carbopol(r) (CP) and sodium alginate (SA) were selected as two polymer types for further optimization studies by applying response surface methodology. Tablet hardness (TH), ex vivo residence time (RT), and peak detachment force (DF) from buccal mucosa were selected as three important responses. Physicochemical compatibility of formulation excipients and RIS was evaluated by using Fourier transform infrared (FT-IR) spectroscopy and differential scanning calorimetry (DSC) analysis. In vitro drug release profiles and release kinetics were investigated; swelling index and matrix erosion studies were conducted. Optimum formulation consisted of 16.4% CP and 20.3% SA, which provided 7.67+/-0.29 hour ex vivo RT, 45.52+/-4.85 N TH, and 2.12+/-0.17 N DF. FT IR spectroscopy and DSC analysis revealed that there was no chemical interaction present between tablet ingredients. Cumulative RIS release of >90% was achieved after 8 hours of in vitro dissolution studies, which was supported by swelling and matrix erosion analysis. Mechanism of RIS release was fitted best to zero order model, while release exponent (n) value of 0.77 demonstrated an anomalous (non-Fickian) release, indicating combined erosion and swelling mechanism. The results suggested that optimized buccal tablets of RIS would be a promising and alternative delivery system for the treatment of schizophrenia. PMID- 29225462 TI - The increase in health care costs associated with muscle weakness in older people without long-term illnesses in the Czech Republic: results from the Survey of Health, Ageing and Retirement in Europe (SHARE). AB - Muscle weakness and associated diseases are likely to place a considerable economic burden on government health care expenditure. Therefore, our aim for this study was to estimate the direct and indirect costs associated with muscle weakness in the Czech Republic. We applied a cost-of-illness approach using data from the Survey of Health, Ageing and Retirement in Europe (SHARE). Six hundred and eighty-nine participants aged 70 years and over and without any long-term illnesses were included in our study. A generalized linear model with gamma distribution was used, and odds ratio (OR) was calculated in order to explore the effect of muscle weakness on direct and indirect costs. For both genders, muscle weakness had a statistically significant impact on direct costs (OR =2.11), but did not have a statistically significant impact on indirect costs (OR =1.08) or on total cost (OR =1.51). Muscle weakness had the greatest statistically significant impact on direct costs in females (OR =2.75). In conclusion, our study has shown that muscle weakness may lead to increased direct costs, and consequently place a burden on health care expenditure. Therefore, the results of this study could lead to greater interest in the prevention of muscle weakness among older people in the Czech Republic. PMID- 29225463 TI - Nano-copper-bearing stainless steel promotes fracture healing by accelerating the callus evolution process. AB - Treatment for fractures requires internal fixation devices, which are mainly produced from stainless steel or titanium alloy without biological functions. Therefore, we developed a novel nano-copper-bearing stainless steel with nano sized copper-precipitation (317L-Cu SS). Based on previous studies, this work explores the effect of 317L-Cu SS on fracture healing; that is, proliferation, osteogenic differentiation, osteogenesis-related gene expression, and lysyl oxidase activity of human bone mesenchymal stem cells were detected in vitro. Sprague-Dawley rats were used to build an animal fracture model, and fracture healing and callus evolution were investigated by radiology (X-ray and micro-CT), histology (H&E, Masson, and safranin O/fast green staining), and histomorphometry. Further, the Cu2+ content and Runx2 level in the callus were determined, and local mechanical test of the fracture was performed to assess the healing quality. Our results revealed that 317L-Cu SS did not affect the proliferation of human bone mesenchymal stem cells, but promoted osteogenic differentiation and the expression of osteogenesis-related genes. In addition, 317L-Cu SS upregulated the lysyl oxidase activity. The X-ray and micro-CT results showed that the callus evolution efficiency and fracture healing speed were superior for 317L-Cu SS. Histological staining displayed large amounts of fibrous tissues at 3 weeks, and cartilage and new bone at 6 weeks. Further, histomorphometric analysis indicated that the callus possessed higher osteogenic efficiency at 6 weeks, and a high Cu2+ content and increased Runx2 expression were observed in the callus for 317L-Cu SS. Besides, the mechanical strength of the fracture site was much better than that of the control group. Overall, we conclude that 317L-Cu SS possesses the ability to increase Cu2+ content and promote osteogenesis in the callus, which could accelerate the callus evolution process and bone formation to provide faster and better fracture healing. PMID- 29225464 TI - Apolipoprotein E3-mediated cellular uptake of reconstituted high-density lipoprotein bearing core 3, 10, or 17 nm hydrophobic gold nanoparticles. AB - We have developed a high-density lipoprotein (HDL)-based platform for transport and delivery of hydrophobic gold nanoparticles (AuNPs). The ability of apolipoprotein E3 (apoE3) to act as a high-affinity ligand for the low-density lipoprotein receptor (LDLr) was exploited to gain entry of HDL with AuNPs into glioblastoma cells. AuNPs of 3, 10, and 17 nm diameter, the latter two synthesized by phase transfer process, were solubilized by integration with phospholipids and apoE3, yielding reconstituted HDL (rHDL) bearing AuNPs. Ultraviolet-visible spectra of rHDL-AuNP indicated the presence of stable particles with surface plasmon band at ~530 nm. Transmission electron microscopy (TEM) of rHDL-AuNP revealed roughly spherical particles with AuNPs embedded in the core. The rHDL-AuNP particles displayed robust binding to the LDLr and were internalized by receptor-mediated endocytosis in glioblastoma cells. Confocal microscopy confirmed cellular uptake of AuNPs in the endosomal-lysosomal compartments, while TEM revealed intracellular aggregated AuNPs. Cell viability assay demonstrated that >85% of cells were viable with rHDL-AuNP treatment of 0.1 100 MUg/mL for 24 hours. These findings are significant since they offer an effective means of delivering AuNPs across the cell membrane, which is particularly relevant in tumor cells that overexpress LDLr. PMID- 29225465 TI - The effect of errorless learning on quality of life in patients with Korsakoff's syndrome. AB - Background: Errorless learning (EL) is a promising rehabilitation principle for (re)learning instrumental activities in patients with amnesia, including patients with Korsakoff's syndrome (KS). Successfully (re)learning tasks might improve the sense of competence and independence, and subsequently the quality of life. Quality of life in patients with KS has received limited attention, and no studies have been conducted to experimentally examine the effect of EL on quality of life in patients in this patient group. Materials and methods: The QUALIDEM, an observation scale for quality of life, was completed by professional nurses before and after EL training in a group of fifty-one patients with KS. This scale was also completed for a group of thirty-one control patients receiving care as usual but no EL training. Results: Quality of life was significantly increased on eight of the nine subscales in the Korsakoff group who participated in an EL training. There was a trend toward a significant increase in "positive affect" (ie, the ninth subscale). In contrast, no changes over time were found on any of the subscales in the control group that did not participate in any EL training. Conclusion: Despite severe memory impairments, patients with KS still have the potential to (partially) (re)learn tasks using EL. This potential should be exploited, as the successes of (re)-learning might improve the quality of life of Korsakoff patients in nursing homes. PMID- 29225467 TI - Altered emotional recognition and expression in patients with Parkinson's disease. AB - Background: Parkinson's disease (PD) patients exhibit deficits in emotional recognition and expression abilities, including emotional faces and voices. The aim of this study was to explore emotional processing in pre-deep brain stimulation (pre-DBS) PD patients using two sensory modalities (visual and auditory). Methods: Fifteen PD patients who needed DBS surgery and 15 healthy, age- and gender-matched controls were recruited as participants. All participants were assessed by the Karolinska Directed Emotional Faces database 50 Faces Recognition test. Vocal recognition was evaluated by the Montreal Affective Voices database 50 Voices Recognition test. For emotional facial expression, the participants were asked to imitate five basic emotions (neutral, happiness, anger, fear, and sadness). The subjects were required to express nonverbal vocalizations of the five basic emotions. Fifteen Chinese native speakers were recruited as decoders. We recorded the accuracy of the responses, reaction time, and confidence level. Results: For emotional recognition and expression, the PD group scored lower on both facial and vocal emotional processing than did the healthy control group. There were significant differences between the two groups in both reaction time and confidence level. A significant relationship was also found between emotional recognition and emotional expression when considering all participants between the two groups together. Conclusion: The PD group exhibited poorer performance on both the recognition and expression tasks. Facial emotion deficits and vocal emotion abnormalities were associated with each other. In addition, our data allow us to speculate that emotional recognition and expression may share a common system. PMID- 29225468 TI - Therapy of an incomplete spinal cord injury by intrathecal injection of EPO and subcutaneous injection of EPO, vitamin C and G-CSF. AB - Spinal cord injury is a rare disease with an incidence about 40 cases per million population in the USA. The most common reasons are traffic accidents, falls, violence and sports. A 53-year-old male patient presented with an incomplete tetraparesis as a result of a spinal cord injury after the accident. It was not possible to treat him with steroids because he was out of the therapeutic time period of 8 hours when he presented to the hospital. The main problem of spinal cord injuries is the secondary injury caused by inflammation and swelling of the spinal cord. To avoid this, the patient was experimentally treated with erythropoietin (EPO) intrathecal and EPO, granulocyte-colony-stimulating factor and vitamin C subcutaneous after his initial spinal cord relief surgery. These drugs might be able to relieve this secondary reaction but were never applied for this indication in human before. This study shows that it could be a promising treatment for spinal cord injuries with potential therapeutic benefits. PMID- 29225466 TI - Korsakoff's syndrome: a critical review. AB - In this review, we present a survey on Korsakoff's syndrome (KS), a residual syndrome in patients who suffered from a Wernicke encephalopathy (WE) that is predominantly characterized by global amnesia, and in more severe cases also by cognitive and behavioral dysfunction. We describe the history of KS and its definition, its epidemiology, and the lack of consensus criteria for its diagnosis. The cognitive and behavioral symptoms of KS, which include anterograde and retrograde amnesia, executive dysfunction, confabulation, apathy, as well as affective and social-cognitive impairments, are discussed. Moreover, recent insights into the underlying neurocognitive mechanisms of these symptoms are presented. In addition, the evidence so far on the etiology of KS is examined, highlighting the role of thiamine and alcohol and discussing the continuity hypothesis. Furthermore, the neuropathology of KS is reviewed, focusing on abnormalities in the diencephalon, including the mammillary bodies and thalamic nuclei. Pharmacological treatment options and nonpharmacological interventions, such as those based on cognitive rehabilitation, are discussed. Our review shows that thiamine deficiency (TD) is a crucial factor in the etiology of KS. Although alcohol abuse is by far the most important context in which TD occurs, there is no convincing evidence for an essential contribution of ethanol neurotoxicity (EN) to the development of WE or to the progression of WE to KS. Future research on the postmortem histopathological analysis of brain tissues of KS patients is crucial for the advancement of our knowledge of KS, especially for associating its symptoms with lesions in various thalamic nuclei. A necessary requirement for the advancement of studies on KS is the broad acceptance of a comprehensive definition and definite diagnostic criteria. Therefore, in this review, we propose such a definition of KS and draft outlines for prospective diagnostic criteria. PMID- 29225470 TI - Plasma Cholinesterase Levels of Nepalese Farmers Following Exposure to Organophosphate Pesticides. AB - Background: Farmers in developing countries use highly toxic organophosphate pesticides. Thus, the aim of this study was to compare plasma cholinesterase (PChE) enzyme activity before and after exposure to organophosphate pesticides in a real-life setting. Methods: This was a prospective study conducted on 25 farmers spraying organophosphate pesticide in their farm. The PChE level was measured and clinical signs and symptoms of toxicity were asked before and immediately after spraying. Results: The mean level of PChE before and after spraying was 1.41 and 1.29 IU/L, respectively (8.51% decreased). Farmers reported more clinical signs and symptoms of intoxication after spraying pesticides. Conclusions: Increase in acute intoxication signs/symptoms and decrease in PChE indicate a serious public health problem among farmers who use organophosphate pesticides. Appropriate training to the farmers is needed to reduce exposure to organophosphate pesticide. PMID- 29225469 TI - Pelvic vein incompetence: clinical perspectives. AB - Chronic pelvic pain (CPP) affects 24% of premenopausal women, accounts for 20% 30% of UK gynecology outpatient appointments, and has an annual pan-European economic cost of ?3.8 billion. Despite extensive investigation, often including laparoscopy, up to 55% of women do not receive a diagnosis and endure persistent symptoms. In these patients, clinical management focuses on symptom control rather than treatment. It is possible that pelvic vein incompetence (PVI) is a cause of CPP, although the quality of studies investigating an association is generally low. PVI may develop during and after pregnancy, as uterine blood flow increases significantly, pushing venous valve leaflets apart, and enabling retrograde venous flow. Analogies with varicose veins of the lower limb are helpful, and symptoms are similar. Women with symptomatic PVI report a dull pelvic ache that is worse on standing and sitting and persists throughout the day. It can be relieved by lying down. Early treatments for PVI included laparoscopic ligation; however, since the advent of endovascular occlusive techniques, treatments have lower risk and lower cost, and can be undertaken without sedation or anesthetic. However, there have been no high-quality randomized controlled trials of interventions and, therefore, the evidence is limited to single-center case series. PMID- 29225471 TI - Glucose Tolerance Testing and Anthropometric Comparisons Among Rural Residents of Kyiv Region: Investigating the Possible Effect of Childhood Starvation-A Community-Based Study. AB - A relationship between childhood starvation and type 2 diabetes mellitus (T2D) in adulthood was previously indicated. Ukraine suffered a series of artificial famines between 1921 and 1947. Famines of 1932 to 1933 and 1946 were most severe among them. Long-term health consequences of these famines remain insufficiently investigated. Type 2 diabetes mellitus screening was conducted between June 2013 and December 2014. A total of 198 rural residents of Kyiv region more than 44 years of age, not registered as patients with T2D, were randomly selected. In all, 159 persons answered the question about starvation of parental family, including 73 born before 1947. Among them, 62 persons answered positive. Anthropometric measurements and glucose tolerance tests were performed. A logistic regression model was used to evaluate results. Type 2 diabetes mellitus was detected in 7 of 62 persons (11.3%), who starved during childhood vs 6 of 11 (54.5%) who did not (P = .002), age-adjusted and sex-adjusted odds ratio (OR) (95% confidence interval): 0.063 (0.007-0.557). Analysis of the anthropometric data revealed a negative connection between adulthood height and neck circumference (cm, continued variables) and childhood starvation: age-adjusted and sex-adjusted ORs 0.86 (0.76-0.97) and 0.73 (0.54-0.97), respectively. Individuals who starved during famines of 1932 to 1933 and 1946 in Ukraine had a decreased T2D prevalence several decades after the famine episodes. PMID- 29225472 TI - 18F-fluorodeoxyglucose uptake predicts MET expression in lung adenocarcinoma. AB - Objective: MET is a member of the receptor tyrosine kinases. Several MET targeting inhibitors and antagonistic antibodies have shown promising data in clinical trials of lung adenocarcinoma. Finding noninvasive diagnostic tools to estimate the status of MET is helpful in clinical practice. 18F fluorodeoxyglucose positron emission tomography/computerized tomography (18F-FDG PET/CT) has been used routinely for the diagnosis and staging of tumors. However, the relationship between MET expression and 18F-FDG uptake has not been investigated yet. This study aimed to determine the correlation of MET expression with 18F-FDG uptake on PET-CT scan and whether or not 18F-FDG PET/CT can be used to predict the MET status of lung adenocarcinoma patients. Patients and methods: Fifty-seven lung adenocarcinoma patients were analyzed in our study. Maximum standardized uptake value (SUVmax) was calculated in all PET/CT images. The expression levels of MET and two important glycolysis-related markers, glucose transporter 1 (GLUT1) and pyruvate kinase M2, were analyzed by immunohistochemistry of tissues. Spearman rank correlation was used to analyze the association between MET expression and SUVmax. In vitro MET knockdown in lung adenocarcinoma cells was used to examine the role of MET in tumor metabolism. The effect of MET on GLUT1 expression was investigated using Western blot assay and quantitative polymerase chain reaction. Results: SUVmax was positively correlated with the expression levels of MET (r=0.458; P<0.001) and GLUT1 (r=0.551; P<0.001). SUVmax was significantly higher in patients with positive MET expression than in those with negative MET expression (9.92+/-6.62 vs 4.60+/ 3.00; P=0.002). MET knockdown in lung adenocarcinoma cells led to a significant decrease in GLUT1 expression and 18F-FDG uptake. Conclusion: MET could increase 18F-FDG uptake by upregulating GLUT1 expression. 18F-FDG PET/CT could be used to predict the MET status of lung adenocarcinoma patients and to supply valuable information to guide targeted therapy. PMID- 29225473 TI - The combination therapy of salinomycin and gefitinib using poly(d,l-lactic-co glycolic acid)-poly(ethylene glycol) nanoparticles for targeting both lung cancer stem cells and cancer cells. AB - Purpose: Lung cancer (LC) is the leading cause of cancer death worldwide. Evidences suggest that both LC cancer stem cells (CSCs) and cancer cells are supposed to be eliminated to achieve superior treatment effect against LC. Salinomycin could eradiate CSCs in various types of cancers, and gefitinib is a first-line therapy in LC. The purpose of the present study was to develop salinomycin-loaded nanoparticles (salinomycin-NPs) combined with gefitinib-loaded nanoparticles (gefitinib-NPs) to eradicate both LC CSCs and cancer cells. Methods: Salinomycin and gefitinib were encapsulated separately by poly(d,l lactic-co-glycolic acid)-poly(ethylene glycol) nanoparticles by the emulsion/solvent evaporation approach. The anti-LC activity of salinomycin-NPs and gefitinib-NPs was investigated. Results: Salinomycin-NPs and gefitinib-NPs are of ~140 nm in size, high drug encapsulation efficacy and sustained release of drugs. CD133+ LC CSCs showed the characteristics of CSCs, including significantly enhanced stem cell gene expression, tumorsphere formation ability, and tumorigenicity in mice. Both salinomycin and salinomycin-NPs are capable of selectively inhibiting LC CSCs, as reflected by their enhanced cytotoxic effects toward CD133+ LC CSCs and ability to reduce tumorsphere formation in LC cell lines, whereas gefitinib and gefitinib-NPs could significantly inhibit LC cells. Salinomycin-NPs and salinomycin could reduce the population of LC CSCs in the tumors in vivo. It is noteworthy that salinomycin-NPs combined with gefitinib-NPs inhibited the growth of tumors more efficiently compared with salinomycin combined with gefitinib or single salinomycin-NPs or gefitinib-NPs. Conclusion: Salinomycin-NPs combined with gefitinib-NPs represent a potential approach for LC by inhibiting both LC CSCs and cancer cells. PMID- 29225474 TI - The combination of systemic therapy and locoregional radiotherapy prolongs survival in newly diagnosed metastatic nasopharyngeal carcinoma patients. AB - Background: The purpose of this study is to assess the role of locoregional radiotherapy (RT) when used in combination with systemic chemotherapy, for patients with newly diagnosed metastatic nasopharyngeal carcinoma (NPC), in a non endemic region of northern China. Methods: In total, 611 patients with NPCs were newly diagnosed between June 2011 and June 2016 following visits to our hospital; of these, 32 patients presented with metastasis at initial diagnosis. Among these 32 patients, 29 had single-organ metastasis and 3 had multiple-organ metastasis. All patients were treated with RT for local and regional disease. Results: The median follow-up for all patients was 20 months (range 9-59 months), and median survival was not achieved (some patients had succumbed) at the time of the last follow-up. The 2-year overall survival (OS) rate was 75.2%, and 3-year OS rate was 50.1%. There was a significant difference between patients with single- and multiple-organ metastasis: 2-year OS was 67.5% for single- vs 0% for multiple organ metastasis (p=0.039). Patients treated with intensity-modulated RT had a better prognosis than patients treated by conventional RT: 2-year OS was 76.6% for single- vs 44.4% for multiple-organ metastasis (no significant difference was found between the 2 groups, p=0.297). For patients with progression (all were with distant disease progression), the median progression time was 8 months (6-22 months), and the median survival after disease progression was 6 months (2-14 months). Conclusion: For patients with newly diagnosed metastatic NPCs, especially with single-organ metastasis, the addition of RT to systemic chemotherapy improved survival and disease control compared with historical cohort. PMID- 29225475 TI - PBX3 is associated with proliferation and poor prognosis in patients with cervical cancer. AB - Pre-B-cell leukemia homeobox 3 (PBX3) is upregulated in various malignancies; however, the role of PBX3 in cervical cancer (CC) is unknown. The purpose of this study was to explore the expression characteristics, clinicopathological significance, and molecular biological function of PBX3 in CC. The expression levels of PBX3 were analyzed in CC cell lines and tumor specimens by real-time polymerase chain reaction (RT-PCR), Western blotting, and immunohistochemical staining. The clinicopathological characteristics associated with PBX3 expression were evaluated. An RNA interference approach was employed to suppress PBX3 expression in CC in vitro and in vivo, determine its role in cell proliferation and analyze its molecular function. We found that PBX3 expression was significantly upregulated in CC cell lines and clinical specimens compared with normal cells and adjacent nontumorous cervical tissues. PBX3 was an independent predictive factor of poor prognosis, and its expression was correlated with tumor diameter, pathological grading, lymph node metastasis, invasion depth, vascular invasion, and clinical stage of CC. Multivariate analysis suggested that PBX3 expression may represent an independent prognostic indicator of the survival of CC patients. CC patients with high PBX3 expression exhibited reduced overall survival compared with those with low PBX3 expression. Additionally, stable downregulation of PBX3 expression in CC cell lines suppressed cell proliferation and decreased p-AKT protein expression levels in vitro. Similarly, in vivo assays demonstrated that PBX3 downregulation in CC cells markedly inhibited tumor size and weight. Overall, we demonstrated that PBX3 can promote CC cell proliferation via the AKT signaling pathway and that it may serve as a prognostic marker. Our data indicate that inactivation of PBX3 may be an effective clinical treatment for CC. PMID- 29225476 TI - Association between the IL-6 gene polymorphism and tuberculosis risk: a meta analysis. AB - Background: The gene polymorphism of interleukin-6 (IL-6) has been shown to be implicated in tuberculosis susceptibility in many studies, but with conflicting results. This study aimed to provide more accurate estimation of the relationship between IL-6 gene polymorphism and tuberculosis risk through a meta-analysis. Method: A literature search was performed in PubMed, EMBASE, and other databases. Data were retrieved, and pooled odds ratio (OR) with 95% CI were calculated. Statistical analyses were performed by using STATA 12.0. Results: Twelve publications with 2635 cases and 3049 controls were included. The pooled analysis demonstrated significant evidence of association between IL-6 (-174G/C) and low risk of tuberculosis in dominant model (CC+GC vs GG: OR =0.693, 95% CI 0.581 0.826, p<0.001). Subgroup analysis got similar results for IL-6 (-174G/C) in Asians and Latinos, but the significance did not exist in Caucasians. IL-6 ( 572C/G) polymorphism was also associated with low risk of tuberculosis in dominant model (CC+GC vs GG: OR =0.719, 95% CI 0.577-0.896, p=0.003). No publication bias was detected in either of the polymorphisms. Conclusion: In summary, IL-6 -572 C/G polymorphism may be associated with a decreased risk of tuberculosis, and C allele is the protective factor against tuberculosis for IL-6 -174G/C among Asians and Latinos, but not in Caucasian population. PMID- 29225477 TI - Molecular evaluation of colistin-resistant gene expression changes in Acinetobacter baumannii with real-time polymerase chain reaction. AB - Background: Acinetobacter baumannii is an important human pathogen which has recently gained increased attention due to the occurrence of drug-resistant nosocomial infections in patients suffering from immune system disorders, and those in hospital intensive care units. The aim of this research was to identify and isolate A. baumannii strains resistant to colistin, determine antibiotic resistance pattern of this bacteria, investigate the presence of colistin resistant genes, and finally assess the effect of expression changes in pmrA and pmrB genes resistant to A. baumannii against colistin via real-time polymerase chain reaction. Methods: The samples were initially purified and isolated using biochemical tests and Micro-gen kit. Later, the resistance pattern evaluation of validated samples to different antibiotics and colistin was carried out using two methods viz., disc diffusion and E-test. This was followed by the assessment of genes resistant to colistin via polymerase chain reaction besides gene expression changes via real-time polymerase chain reaction. Results: The results of this study indicated that eleven strains of A. baumannii isolated from Shahid Rajaee Trauma Hospital were resistant to colistin. However, in the resistance pattern evaluation of A. baumannii isolated from Ali Asghar Hospital, all the strains were sensitive to colistin. In the evaluation of genes resistant to pmrA and pmrB, most of the strains resistant to colistin were carriers of these genes. Besides, in the expression assessment of these genes, it was demonstrated that expression of pmrA in the strains resistant to colistin significantly increased in relation to sensitive strains, but the expression of pmrB increased at a lower rate in the strains resistant to colistin as compared to the sensitive strains. Conclusion: Thus, it can be safely mentioned that increased expression of pmrA was due to the resistance of A. baumannii to colistin. PMID- 29225478 TI - The utility of biomarkers in hepatocellular carcinoma: review of urine-based 1H NMR studies - what the clinician needs to know. AB - Hepatocellular carcinoma (HCC) is the fifth most common malignancy, the third most common cause of cancer death, and the most common primary liver cancer. Overall, there is a need for more reliable biomarkers for HCC, as those currently available lack sensitivity and specificity. For example, the current gold standard biomarker, serum alpha-fetoprotein, has a sensitivity of roughly only 70%. Cancer cells have different characteristic metabolic signatures in biofluids, compared to healthy cells; therefore, metabolite analysis in blood or urine should lead to the detection of suitable candidates for the detection of HCC. With the advent of metabonomics, this has increased the potential for new biomarker discovery. In this article, we look at approaches used to identify biomarkers of HCC using proton nuclear magnetic resonance (1H-NMR) spectroscopy of urine samples. The various multivariate statistical analysis techniques used are explained, and the process of biomarker identification is discussed, with a view to simplifying the knowledge base for the average clinician. PMID- 29225479 TI - Density of CD8+ lymphocytes in biopsy samples combined with the circulating lymphocyte ratio predicts pathologic complete response to chemoradiotherapy for rectal cancer. AB - Objectives: The systemic status and local immune status, as determined by the neutrophil-lymphocyte ratio (NLR) or the lymphocyte ratio (LYMR) and tumor infiltrating lymphocyte (TIL) count, respectively, have been suggested as predictors of the tumor response to neoadjuvant chemoradiotherapy (nCRT) in rectal cancer, although the utility of these measures remains controversial. We aimed to investigate the values of the LYMR, NLR and TIL count and their combinations (TIL-LYMR/TIL-NLR) in predicting pathologic complete response (pCR) after nCRT. Patients and methods: Pretreatment biopsy samples and data from the blood tests of 92 patients with rectal cancer who underwent curative resection after nCRT were retrospectively obtained. CD8+ TILs were immunostained using an antibody against CD8. The density of CD8+ TILs was recorded as the number of CD8+ T cells per square millimeter, and the results were classified as either "high" or "low". The LYMR and NLR were calculated using pretreatment blood test data and categorized into either "high" or "low" groups. TIL-LYMR was graded as "low," "mid" or "high" when neither, one or both the CD8+ TIL count and LYMR were "high," respectively. TIL-NLR was graded similarly. The associations between TILs and LYMR, NLR and their combinations (TIL-LYMR/TIL-NLR) were evaluated. Results: pCR was significantly associated with a high LYMR, a low NLR and increased chemotherapy cycles (P=0.039, P=0.043 and P=0.015, respectively), but not with the CD8+ TIL count or carcinoembryonic antigen (CEA) level (P=0.100 and P=0.590, respectively). Additionally, 40% of patients with high LYMR and 40.7% with low NLR achieved pCR, whereas only 19.7% with low LYMR and 20.3% with high NLR did so. When the combinations were assessed, TIL-LYMR showed a positive correlation with pCR (P=0.038), while no association between TIL-NLR and pCR was found (P=0.916). In multivariate analysis, TIL-LYMR remained an independent predictor of pCR (odds ratio [OR]=1.833, 95% confidence interval [CI]=1.069-3.142, P=0.028). Conclusion: High LYMR, low NLR and high TIL-LYMR at baseline are predictive of pCR to nCRT for patients with rectal cancer. These parameters may help identify pCR patients and provide additional information for therapeutic decision-making. PMID- 29225480 TI - Role of afatinib in the treatment of advanced lung squamous cell carcinoma. AB - Lung cancer treatment has considerably changed over the last few years: the identification of druggable oncogenic alterations and innovative immunotherapic approaches granted lung cancer patients the possibility of more efficient and less toxic therapeutic options than chemotherapy. Nowadays, lung squamous cell carcinomas (SqCCs) patients have the chance to benefit from novel treatment alternatives, including immune checkpoint blockade and anti-angiogenic agents and, given positive trial results, from afatinib, a second generation tyrosine kinase inhibitor (TKI) that irreversibly antagonizes ErbB family tyrosine kinase receptors. Considering the role of the ErbB-signaling cascade in lung SqCC, it is relevant to note that ErbB1 (epidermal growth factor receptor [EGFR]) is overexpressed in 85% of non-small-cell lung carcinomas (NSCLCs), particularly in patients with squamous histology, and is associated with poor prognosis. For this reason, EGFR activity has been investigated as a therapeutic strategy in lung SqCC. Even taking into account statistically positive trial results, anti-EGFR approach still remains controversial in unselected/wild-type EGFR lung SqCC patients, as well as the optimal timing and sequencing of all available targeted therapies considering the approval of immunotherapeutic agents. This review analyzes current data about EGFR inhibition in lung SqCC with a specific focus on afatinib in order to elucidate available clinical evidence supporting EGFR targeting in this setting as well as a future management of advanced lung SqCCs in the context of new emerging immunotherapeutic drugs. PMID- 29225481 TI - Perspectives on high-intensity interval exercise for health promotion in children and adolescents. AB - Physical activity lowers future cardiovascular disease (CVD) risk; however, few children and adolescents achieve the recommended minimum amount of daily activity. Accordingly, there is virtue in identifying the efficacy of small volumes of high-intensity exercise for health benefits in children and adolescents for the primary prevention of CVD risk. The purpose of this narrative review is to provide a novel overview of the available literature concerning high intensity interval-exercise (HIIE) interventions in children and adolescents. Specifically, the following areas are addressed: 1) outlining the health benefits observed following a single bout of HIIE, 2) reviewing the role of HIIE training in the management of pediatric obesity, and 3) discussing the effectiveness of school-based HIIE training. In total, 39 HIIE intervention studies were included in this review. Based upon the available data, a single bout of high-intensity exercise provides a potent stimulus for favorable, acute changes across a range of cardiometabolic outcomes that are often superior to a comparative bout of moderate-intensity exercise (14 studies reviewed). HIIE also promotes improvements in cardiorespiratory fitness and cardiometabolic health status in overweight and obese children and adolescents (10 studies reviewed) and when delivered in the school setting (15 studies reviewed). We thus conclude that high intensity exercise is a feasible and potent method of improving a range of cardiometabolic outcomes in children and adolescents. However, further work is needed to optimize the delivery of HIIE interventions in terms of participant enjoyment and acceptability, to include a wider range of health outcomes, and to control for important confounding variables (eg, changes in diet and habitual physical activity). Finally, research into the application of HIIE training interventions to children and adolescents of different ages, sexes, pubertal status, and sociocultural backgrounds is required. PMID- 29225482 TI - The relationship between empathy and burnout - lessons for paramedics: a scoping review. AB - Background: The concepts of empathy and burnout are critical for practicing paramedics and the profession. While there has been an increasing body of research on the relationship between empathy and burnout with physicians and nurses, surprisingly, no research has been undertaken with paramedics. The aim of this scoping review was to explore the relationship between empathy and burnout. Method: A scoping review was performed based on Arskey and O'Malley's framework. Five databases were searched: CINAHL plus, EMBASE, MEDLINE, PsycINFO, and Scopus. Google Scholar was searched for gray literature. Two reviewers independently assessed eligibility and extracted the data. Results: The initial search produced a yield of 1270 articles after removal of duplicates. All abstracts were screened for relevance, and 30 articles were selected for further screening. Twenty six articles were deemed relevant, of which there were 23 cross-sectional studies, two editorials, and one description article on the multidimensional aspect of burnout and empathy. The studies were conducted in Europe, USA, North America, and Asia. In most studies, there was an inverse correlation between empathy and emotional exhaustion and depersonalization but a positive correlation with personal accomplishment. Conclusion: Although there seems to be a real relationship between empathy and burnout in physicians and nurses, the strength of the relationship differs to some extent depending on the samples and settings. Due to similarities between health professions, the relationship between empathy and burnout may also be relevant to the paramedic profession. Future paramedic research should focus on longitudinal studies to determine the factors that might influence empathy and burnout levels to provide a better understanding of these two key factors. PMID- 29225483 TI - Active Stromal Cell-Derived Factor 1alpha and Endothelial Progenitor Cells are Equally Increased by Alogliptin in Good and Poor Diabetes Control. AB - Background: It is postulated that the ability of dipeptidyl peptidase-4 inhibitors (DPP-4-i) to increase circulating endothelial progenitor cells (EPCs) may be at least partly mediated by active stromal cell-derived factor 1alpha (SDF 1alpha) (a pivotal mediator of stem cell mobilization from the bone marrow). As other DPP-4-i were demonstrated to increase EPC concentrations, in this study, we sought to investigate the ability of the DPP-4-i alogliptin in modifying EPCs and SDF-1alpha, in patients with good and poor diabetes control. Methods: Two groups of diabetic patients on metformin were divided by hemoglobin A1c (HbA1c): Group A those with HbA1c <=6.5% (28 patients) and Group B-those with HbA1c 7.5% to 8.5% (31 patients). Both groups received alogliptin 25 mg/daily for 4 months. At baseline and 4 months later, clinical, laboratory parameters, EPCs, and active SDF-1alpha were determined. Results: After 4-month treatment with alogliptin, either Group A or Group B showed reduced HbA1c levels and concomitant similar increase in EPCs and active SDF-1alpha. Conclusions: Alogliptin showed significant benefits in increasing EPCs and active SDF-1alpha either in good or poor diabetes control. The study demonstrated that similar to other DPP-4-i, also alogliptin is able to increase EPC concentrations, suggesting the existence of a class effect mediated by SDF-1alpha. The extent of increase in EPCs is independent from baseline diabetes control. PMID- 29225484 TI - The Prevalence of Iron Deficiency Anemia and its Associated Risk Factors Among a Sample of Female University Students in Tabuk, Saudi Arabia. AB - Background: Prior data on iron deficiency anemia's (IDA) prevalence and associated risk factors among female university students are scarce in the Saudi Arabian context. This study therefore recruited a sample of female students at the University of Tabuk, Saudi Arabia, to investigate IDA prevalence and risk factors and fill the identified research gap. Methods: A cross-sectional study of 200 apparently healthy female students aged between 19 and 25 years was performed between February and June 2016. Data on the participants' sociodemographics, diet, health, anthropometry, and hematological and biochemical iron status indices were gathered. A logistic regression analysis then revealed the IDA risk factors. Results: The IDA prevalence was 12.5%. The factors associated via logistic regression with an elevated anemia risk were inadequate iron and vitamin C intakes, infrequent (<=2 times per week) consumption of red meat, frequent (>=2 times per week) tea consumption, and a past personal history of IDA. Conclusions: The findings suggest that focused education and awareness strategies are needed to improve nutritional habits by encouraging the consumption of rich dietary iron sources and by raising awareness of the food and drinks which facilitate or hinder the bioavailability of iron. PMID- 29225485 TI - Patterns and correlates of co-occurrence among multiple types of child maltreatment. AB - This study examined the patterns and correlates of the types of maltreatment experienced by adolescents aged 9-12, participating in an ongoing longitudinal study on the impact of neglect on children's development. Using case record abstraction, the study compared the child protection classification and findings from the case record abstraction with regard to the rates of four types of maltreatment (i.e. physical, sexual, emotional abuse and neglect) as well as co occurrence across multiple types of maltreatment. Next, the study examined the frequently observed patterns of child maltreatment. Finally, the study investigated whether aspects of caretaker functioning and the detailed incident characteristics in the cases of neglect differed by the number of different types of maltreatment the children experienced. Results showed significant discrepancies between the Child Protective Service classification and case record abstraction. Child Protective Service classification considerably underestimated the rate of co-occurrence across multiple types of maltreatment. Neglect accompanied by physical and emotional abuse was the most common form. Some of the caretaker functioning variables distinguished the number of types of maltreatment. Based on the findings, future-research directions and practice implication were discussed. PMID- 29225487 TI - An instability of the standard model of cosmology creates the anomalous acceleration without dark energy. AB - We identify the condition for smoothness at the centre of spherically symmetric solutions of Einstein's original equations without the cosmological constant or dark energy. We use this to derive a universal phase portrait which describes general, smooth, spherically symmetric solutions near the centre of symmetry when the pressure p=0. In this phase portrait, the critical k=0 Friedmann space-time appears as a saddle rest point which is unstable to spherical perturbations. This raises the question as to whether the Friedmann space-time is observable by redshift versus luminosity measurements looking outwards from any point. The unstable manifold of the saddle rest point corresponding to Friedmann describes the evolution of local uniformly expanding space-times whose accelerations closely mimic the effects of dark energy. A unique simple wave perturbation from the radiation epoch is shown to trigger the instability, match the accelerations of dark energy up to second order and distinguish the theory from dark energy at third order. In this sense, anomalous accelerations are not only consistent with Einstein's original theory of general relativity, but are a prediction of it without the cosmological constant or dark energy. PMID- 29225488 TI - Ducks in space: from nonlinear absolute instability to noise-sustained structures in a pattern-forming system. AB - A subcritical pattern-forming system with nonlinear advection in a bounded domain is recast as a slow-fast system in space and studied using a combination of geometric singular perturbation theory and numerical continuation. Two types of solutions describing the possible location of stationary fronts are identified, whose origin is traced to the onset of convective and absolute instability when the system is unbounded. The former are present only for non-zero upstream boundary conditions and provide a quantitative understanding of noise-sustained structures in systems of this type. The latter correspond to the onset of a global mode and are present even with zero upstream boundary conditions. The role of canard trajectories in the nonlinear transition between these states is clarified and the stability properties of the resulting spatial structures are determined. Front location in the convective regime is highly sensitive to the upstream boundary condition, and its dependence on this boundary condition is studied using a combination of numerical continuation and Monte Carlo simulations of the partial differential equation. Statistical properties of the system subjected to random or stochastic boundary conditions at the inlet are interpreted using the deterministic slow-fast spatial dynamical system. PMID- 29225486 TI - Desmoplastic Small Round Blue Cell Tumor: A Review of Treatment and Potential Therapeutic Genomic Alterations. AB - Desmoplastic small round blue cell tumors (DSRCTs) originate from a cell with multilineage potential. A molecular hallmark of DSRCT is the EWS-WT1 reciprocal translocation. Ewing sarcoma and DSRCT are treated similarly due to similar oncogene activation pathways, and DSRCT has been represented in very limited numbers in sarcoma studies. Despite aggressive therapy, median survival ranges from 17 to 25 months, and 5-year survival rates remain around 15%, with higher survival reported among those undergoing removal of at least 90% of tumor in the absence of extraperitoneal metastasis. Almost 100% of these tumors contain t(11;22) (p13;q12) translocation, and it is likely that EWS-WT1 functions as a transcription factor possibly through WT1 targets. While there is no standard protocol for this aggressive disease, treatment usually includes the neoadjuvant HD P6 regimen (high-dose cyclophosphamide, doxorubicin, and vincristine (HD-CAV) alternating with ifosfamide and etoposide (IE) chemotherapy combined with aggressively attempted R0 resection). We aimed to review the molecular characteristics of DSRCTs to explore therapeutic opportunities for this extremely rare and aggressive cancer type. PMID- 29225489 TI - On stochastic differential equations with arbitrarily slow convergence rates for strong approximation in two space dimensions. AB - In a recent article (Jentzen et al. 2016 Commun. Math. Sci.14, 1477-1500 (doi:10.4310/CMS.2016.v14.n6.a1)), it has been established that, for every arbitrarily slow convergence speed and every natural number d?{4,5,...}, there exist d-dimensional stochastic differential equations with infinitely often differentiable and globally bounded coefficients such that no approximation method based on finitely many observations of the driving Brownian motion can converge in absolute mean to the solution faster than the given speed of convergence. In this paper, we strengthen the above result by proving that this slow convergence phenomenon also arises in two (d=2) and three (d=3) space dimensions. PMID- 29225490 TI - Fluid flow in porous media using image-based modelling to parametrize Richards' equation. AB - The parameters in Richards' equation are usually calculated from experimentally measured values of the soil-water characteristic curve and saturated hydraulic conductivity. The complex pore structures that often occur in porous media complicate such parametrization due to hysteresis between wetting and drying and the effects of tortuosity. Rather than estimate the parameters in Richards' equation from these indirect measurements, image-based modelling is used to investigate the relationship between the pore structure and the parameters. A three-dimensional, X-ray computed tomography image stack of a soil sample with voxel resolution of 6 MUm has been used to create a computational mesh. The Cahn Hilliard-Stokes equations for two-fluid flow, in this case water and air, were applied to this mesh and solved using the finite-element method in COMSOL Multiphysics. The upscaled parameters in Richards' equation are then obtained via homogenization. The effect on the soil-water retention curve due to three different contact angles, 0 degrees , 20 degrees and 60 degrees , was also investigated. The results show that the pore structure affects the properties of the flow on the large scale, and different contact angles can change the parameters for Richards' equation. PMID- 29225491 TI - Three-dimensional quasi-periodic shifted Green function throughout the spectrum, including Wood anomalies. AB - This work, part II in a series, presents an efficient method for evaluation of wave scattering by doubly periodic diffraction gratings at or near what are commonly called 'Wood anomaly frequencies'. At these frequencies, there is a grazing Rayleigh wave, and the quasi-periodic Green function ceases to exist. We present a modification of the Green function by adding two types of terms to its lattice sum. The first type are transversely shifted Green functions with coefficients that annihilate the growth in the original lattice sum and yield algebraic convergence. The second type are quasi-periodic plane wave solutions of the Helmholtz equation which reinstate certain necessary grazing modes without leading to blow-up at Wood anomalies. Using the new quasi-periodic Green function, we establish, for the first time, that the Dirichlet problem of scattering by a smooth doubly periodic scattering surface at a Wood frequency is uniquely solvable. We also present an efficient high-order numerical method based on this new Green function for scattering by doubly periodic surfaces at and around Wood frequencies. We believe this is the first solver able to handle Wood frequencies for doubly periodic scattering problems in three dimensions. We demonstrate the method by applying it to acoustic scattering. PMID- 29225492 TI - Geometric description of a discrete power function associated with the sixth Painleve equation. AB - In this paper, we consider the discrete power function associated with the sixth Painleve equation. This function is a special solution of the so-called cross ratio equation with a similarity constraint. We show in this paper that this system is embedded in a cubic lattice with [Formula: see text] symmetry. By constructing the action of [Formula: see text] as a subgroup of [Formula: see text], i.e. the symmetry group of PVI, we show how to relate [Formula: see text] to the symmetry group of the lattice. Moreover, by using translations in [Formula: see text], we explain the odd-even structure appearing in previously known explicit formulae in terms of the tau function. PMID- 29225493 TI - A post Gurney quantum mechanical perspective on the electrolysis of water: ion neutralization in solution. AB - Electron fluxes crossing the interface between a metallic conductor and an aqueous environment are important in many fields; hydrogen production, environmental scanning tunnelling microscopy, scanning electrochemical microscopy being some of them. Gurney (Gurney 1931 Proc. R. Soc. Lond.134, 137 (doi:10.1098/rspa.1931.0187)) provided in 1931 a scheme for tunnelling during electrolysis and outlined conditions for it to occur. We measure the low-voltage current flows between gold electrodes in pure water and use the time-dependent behaviour at voltage switch-on and switch-off to evaluate the relative contribution to the steady current arising from tunnelling of electrons between the electrodes and ions in solution and from the neutralization of ions adsorbed onto the electrode surface. We ascribe the larger current contribution to quantum tunnelling of electrons to and from ions in solution near the electrodes. We refine Gurney's barrier scheme to include solvated electron states and quantify energy differences using updated information. We show that Gurney's conditions would prevent the current flow at low voltages we observe but outline how the ideas of Marcus (Marcus 1956 J. Chem. Phys.24, 966-978 (doi:10.1063/1.1742723)) concerning solvation fluctuations enable the condition to be relaxed. We derive an average barrier tunnelling model and a multiple pathways tunnelling model and compare predictions with measurements of the steady-state current-voltage relation. The tunnelling barrier was found to be wide and low in agreement with other experimental studies. Applications as a biosensing mechanism are discussed that exploit the fast tunnelling pathways along molecules in solution. PMID- 29225494 TI - Rolling resistance of shallow granular deformation. AB - Experiments are conducted to measure the resistance experienced by light cylinders rolling over flat beds of granular media. Sand and glass spheres are used for the beds. The trajectories of the rolling cylinders are determined through optical tracking, and velocity and acceleration data are inferred through fits to these trajectories. The rolling resistance is dominated by a velocity independent component, but a velocity-dependent drag exceeding the expected strength of air drag is also observed. The results are compared to a theoretical model based on a cohesionless Mohr-Coulomb rheology for a granular medium in the presence of gravity. The model idealizes the flow pattern underneath the rolling cylinder as a plastically deforming zone in front of a rigidly rotating plug attached to the cylinder, as proposed previously for cylinders rolling on perfectly cohesive plastic media. The leading-order, rate-independent rolling resistance observed experimentally is well reproduced by the model predictions. PMID- 29225495 TI - Force direction patterns promote whole body stability even in hip-flexed walking, but not upper body stability in human upright walking. AB - Directing the ground reaction forces to a focal point above the centre of mass of the whole body promotes whole body stability in human and animal gaits similar to a physical pendulum. Here we show that this is the case in human hip-flexed walking as well. For all upper body orientations (upright, 25 degrees , 50 degrees , maximum), the focal point was well above the centre of mass of the whole body, suggesting its general relevance for walking. Deviations of the forces' lines of action from the focal point increased with upper body inclination from 25 to 43 mm root mean square deviation (RMSD). With respect to the upper body in upright gait, the resulting force also passed near a focal point (17 mm RMSD between the net forces' lines of action and focal point), but this point was 18 cm below its centre of mass. While this behaviour mimics an unstable inverted pendulum, it leads to resulting torques of alternating sign in accordance with periodic upper body motion and probably provides for low metabolic cost of upright gait by keeping hip torques small. Stabilization of the upper body is a consequence of other mechanisms, e.g. hip reflexes or muscle preflexes. PMID- 29225496 TI - Age distribution dynamics with stochastic jumps in mortality. AB - While deterministic age distribution models have been extensively studied and applied in various disciplines, little work has been devoted to understanding the role of stochasticity in birth and mortality terms. In this paper, we analyse a stochastic M'Kendrick-von Foerster equation in which jumps in mortality represent intense losses of population due to external events. We present explicit solutions for the probability density functions of the age distribution and the total population and for the temporal dynamics of their moments. We also derive the dynamics of the mean age of the population and its harmonic mean. The framework is then used to calculate the age distribution of salt in the soil root zone, where the accumulation of salt by atmospheric deposition is counteracted by plant uptake and by jump losses due to percolation events. PMID- 29225497 TI - Swelling-induced wrinkling in layered gel beams. AB - Gels are widely employed in smart mechanical devices and biomedical applications. Swelling-induced bending actuation can be obtained by means of a simple bilayer gel beam. We show that this system can also exhibit wrinkling patterns of potential interest for structural morphing and sensing. We study swelling-induced wrinkling at the extrados of a bilayer gel beam with the softer layer on top. The bent configuration at finite strain is recovered first and, starting from it, a linear perturbation analysis is performed. We delimit the zone corresponding to wrinkling modes in a parameter plane encompassing a mechanical stiffness ratio and a geometric top layer to total height ratio. Interestingly, we observe that surface instability precedes and envelopes wrinkling modes of finite wavelength. Finally, we discuss the effect of changes in stiffness and of the Flory-Huggins parameters chi on the size of the wrinkling domain. PMID- 29225498 TI - On the buckling of an elastic holey column. AB - We report the results of a numerical and theoretical study of buckling in elastic columns containing a line of holes. Buckling is a common failure mode of elastic columns under compression, found over scales ranging from metres in buildings and aircraft to tens of nanometers in DNA. This failure usually occurs through lateral buckling, described for slender columns by Euler's theory. When the column is perforated with a regular line of holes, a new buckling mode arises, in which adjacent holes collapse in orthogonal directions. In this paper, we firstly elucidate how this alternate hole buckling mode coexists and interacts with classical Euler buckling modes, using finite-element numerical calculations with bifurcation tracking. We show how the preferred buckling mode is selected by the geometry, and discuss the roles of localized (hole-scale) and global (column scale) buckling. Secondly, we develop a novel predictive model for the buckling of columns perforated with large holes. This model is derived without arbitrary fitting parameters, and quantitatively predicts the critical strain for buckling. We extend the model to sheets perforated with a regular array of circular holes and use it to provide quantitative predictions of their buckling. PMID- 29225499 TI - Analysing causal structures with entropy. AB - A central question for causal inference is to decide whether a set of correlations fits a given causal structure. In general, this decision problem is computationally infeasible and hence several approaches have emerged that look for certificates of compatibility. Here, we review several such approaches based on entropy. We bring together the key aspects of these entropic techniques with unified terminology, filling several gaps and establishing new connections, all illustrated with examples. We consider cases where unobserved causes are classical, quantum and post-quantum, and discuss what entropic analyses tell us about the difference. This difference has applications to quantum cryptography, where it can be crucial to eliminate the possibility of classical causes. We discuss the achievements and limitations of the entropic approach in comparison to other techniques and point out the main open problems. PMID- 29225500 TI - Multi-scale mechanics of granular solids from grain-resolved X-ray measurements. AB - This work discusses an experimental technique for studying the mechanics of three dimensional (3D) granular solids. The approach combines 3D X-ray diffraction and X-ray computed tomography to measure grain-resolved strains, kinematics and contact fabric in the bulk of a granular solid, from which continuum strains, grain stresses, interparticle forces and coarse-grained elasto-plastic moduli can be determined. We demonstrate the experimental approach and analysis of selected results on a sample of 1099 stiff, frictional grains undergoing multiple uniaxial compression cycles. We investigate the inter-particle force network, elasto plastic moduli and associated length scales, reversibility of mechanical responses during cyclic loading, the statistics of microscopic responses and microstructure-property relationships. This work serves to highlight both the fundamental insight into granular mechanics that is furnished by combined X-ray measurements and describes future directions in the field of granular materials that can be pursued with such approaches. PMID- 29225501 TI - The grasshopper problem. AB - We introduce and physically motivate the following problem in geometric combinatorics, originally inspired by analysing Bell inequalities. A grasshopper lands at a random point on a planar lawn of area 1. It then jumps once, a fixed distance d, in a random direction. What shape should the lawn be to maximize the chance that the grasshopper remains on the lawn after jumping? We show that, perhaps surprisingly, a disc-shaped lawn is not optimal for any d>0. We investigate further by introducing a spin model whose ground state corresponds to the solution of a discrete version of the grasshopper problem. Simulated annealing and parallel tempering searches are consistent with the hypothesis that, for d35% body length, BL), before and after spinal transections (T) at 35% BL. Importantly, in the present study actual locomotor movements and muscle burst activity, as well as other motor activity, were initiated in whole animals by descending brain-spinal pathways in response to sensory stimulation of the anterior head. For experimental animals with ML spinal lesions, sensory stimulation could elicit well-coordinated locomotor muscle burst activity, but with some significant differences in the parameters of locomotor activity compared to those for normal animals. Computer models representing normal animals or experimental animals with ML spinal lesions could mimic many of the differences in locomotor activity. For experimental animals with ML and T spinal lesions, right and left rostral hemi spinal cords, disconnected from intact caudal cord, usually produced tonic or unpatterned muscle activity. Hemi-spinal cords sometimes generated spontaneous or sensory-evoked relatively high frequency "burstlet" activity that probably is analogous to the previously described in vitro "fast rhythm", which is thought to represent lamprey locomotor activity. However, "burstlet" activity in the present study had parameters and features that were very different than those for lamprey locomotor activity: average frequencies were ~25 Hz, but individual frequencies could be >50 Hz; burst proportions (BPs) often varied with cycled time; "burstlet" activity usually was not accompanied by a rostrocaudal phase lag; and following ML spinal lesions alone, "burstlet" activity could occur in the presence or absence of swimming burst activity, suggesting the two were generated by different mechanisms. In summary, for adult lampreys, left and right hemi spinal cords did not generate rhythmic locomotor activity in response to descending inputs from the brain, suggesting that left-right reciprocal coupling of spinal locomotor networks contributes to both phase control and rhythmogenesis. In addition, the present study indicates that extreme caution should be exercised when testing the operation of spinal locomotor networks using artificial activation of isolated or reduced nervous system preparations. PMID- 29225570 TI - Flexible and Stable Value Coding Areas in Caudate Head and Tail Receive Anatomically Distinct Cortical and Subcortical Inputs. AB - Anatomically distinct areas within the basal ganglia encode flexible- and stable value memories for visual objects (Hikosaka et al., 2014), but an important question remains: do they receive inputs from the same or different brain areas or neurons? To answer this question, we first located flexible and stable value coding areas in the caudate head (CDh) and caudate tail (CDt) of two rhesus macaque monkeys, and then injected different retrograde tracers into these areas of each monkey. We found that CDh and CDt received different inputs from several cortical and subcortical areas including temporal cortex, prefrontal cortex, cingulate cortex, amygdala, claustrum and thalamus. Superior temporal cortex and inferior temporal cortex projected to both CDh and CDt, with more CDt-projecting than CDh-projecting neurons. In superior temporal cortex and dorsal inferior temporal cortex, layers 3 and 5 projected to CDh while layers 3 and 6 projected to CDt. Prefrontal and cingulate cortex projected mostly to CDh bilaterally, less to CDt unilaterally. A cluster of neurons in the basolateral amygdala projected to CDt. Rostral-dorsal claustrum projected to CDh while caudal-ventral claustrum projected to CDt. Within the thalamus, different nuclei projected to either CDh or CDt. The medial centromedian nucleus and lateral parafascicular nucleus projected to CDt while the medial parafascicular nucleus projected to CDh. The inferior pulvinar and lateral dorsal nuclei projected to CDt. The ventral anterior and medial dorsal nuclei projected to CDh. We found little evidence of neurons projecting to both CDh and CDt across the brain. These data suggest that CDh and CDt can control separate functions using anatomically separate circuits. Understanding the roles of these striatal projections will be important for understanding how value memories are created and stored. PMID- 29225571 TI - Heterogenic Distribution of Aromatic L-Amino Acid Decarboxylase Neurons in the Rat Spinal Cord. AB - Aromatic L-amino acid decarboxylase (AADC) is an essential enzyme in the synthesis of serotonin, dopamine, and certain trace amines and is present in a variety of organs including the brain and spinal cord. It is previously reported that in mammalian spinal cord AADC cells (called D-cells) were largely confined to a region around the central canal and that they do not produce monoamines. To date, there has not been a detailed description of their distribution and morphology in mammals. In the present study this issue is systematically investigated using immunohistochemistry. We have found that AADC cells in the rat spinal cord are both more numerous and more widely distributed than previously reported. In the gray matter, AADC neurons immunolabeled for NeuN were not only found in the region around the central canal but also in the dorsal horn, intermediate zone, and ventral horn. In the white matter a large number of glial cells were AADC-immunopositive in different spinal segments and the vast majority of these cells expressed oligodendrocyte and radial glial phenotypes. Additionally, a small number of AADC neurons labeled for NeuN were found in the white matter along the ventral median fissure. The shapes and sizes of AADC neurons varied according to their location. For example, throughout cervical and lumbar segments AADC neurons in the intermediate zone and ventral horn tended to be rather large and weakly immunolabeled, whereas those in comparable regions of sacrocaudal segments were smaller and more densely immunolabeled. The diverse morphological characteristics of the AADC cells suggests that they could be further divided into several subtypes. These results indicate that AADC cells are heterogeneously distributed in the rat spinal cord and they may exert different functions in different physiological and pathological situations. PMID- 29225573 TI - Commentary: Methamphetamine abuse impairs motor cortical plasticity and function. PMID- 29225572 TI - Adaptive Changes in the Sensitivity of the Dorsal Raphe and Hypothalamic Paraventricular Nuclei to Acute Exercise, and Hippocampal Neurogenesis May Contribute to the Antidepressant Effect of Regular Treadmill Running in Rats. AB - Increasing clinical evidence suggests that regular physical exercise can prevent or reduce the incidence of stress-related psychiatric disorders including depressive symptoms. Antidepressant effect of regular exercise may be implicated in monoaminergic transmission including serotonergic transmission, activation of the hypothalamic-pituitary-adrenal (HPA) axis, and hippocampal neurogenesis, but few general concepts regarding the optimal exercise regimen for stimulating neural mechanisms involved in antidepressant properties have been developed. Here, we examined how 4 weeks of treadmill running at different intensities (0, 15, 25 m/min, 60 min/day, 5 times/week) alters neuronal activity in the dorsal raphe nucleus (DRN), which is the major source of serotonin (5-HT) neurons in the central nervous system, and the hypothalamic paraventricular nucleus (PVN), in which corticotropin-releasing factor (CRF) neurons initiate the activation of the HPA axis, during one session of acute treadmill running at different speeds (0, 15, 25 m/min, 30 min) in male Wistar rats, using c-Fos immunohistochemistry. We also examined neurogenesis in the hippocampus using immunohistochemistry for doublecortin (DCX) and assessed depressive-like behavior using the forced swim test after regular exercise for 4 weeks. In the pre-training period, acute treadmill running at low speed, but not at high speed, increased c-Fos positive nuclei in the DRN compared with the sedentary control. The number of c-Fos positive nuclei in the PVN during acute treadmill running was increased in a running speed-dependent manner. Regular exercise for 4 weeks, regardless of the training intensity, induced an enhancement of c-Fos expression in the DRN during not only low-speed but also high-speed acute running, and generally reduced c-Fos expression in the PVN during acute running compared with pre-training. Furthermore, regular treadmill running for 4 weeks enhanced DCX immunoreactivity in the hippocampal dentate gyrus (DG), and resulted in decreased depressive-like behavior, regardless of the training intensity. These results suggest that long term repeated exercise, regardless of the training intensity, improves depressive like behavior through adaptive changes in the sensitivity of DRN and PVN neurons to acute exercise, and hippocampal neurogenesis. PMID- 29225574 TI - Motor Unit Activity during Fatiguing Isometric Muscle Contraction in Hemispheric Stroke Survivors. AB - Enhanced muscle weakness is commonly experienced following stroke and may be accompanied by increased susceptibility to fatigue. To examine the contributions of central and peripheral factors to isometric muscle fatigue in stroke survivors, this study investigates changes in motor unit (MU) mean firing rate, and action potential duration during, and directly following, a sustained submaximal fatiguing contraction at 30% maximum voluntary contraction (MVC). A series of short contractions of the first dorsal interosseous muscle were performed pre- and post-fatigue at 20% MVC, and again following a 10-min recovery period, by 12 chronic stroke survivors. Individual MU firing times were extracted using surface EMG decomposition and used to obtain the spike-triggered average MU action potential waveforms. During the sustained fatiguing contraction, the mean rate of change in firing rate across all detected MUs was greater on the affected side (-0.02 +/- 0.03 Hz/s) than on the less-affected side (-0.004 +/- 0.003 Hz/s, p = 0.045). The change in firing rate immediately post-fatigue was also greater on the affected side than less-affected side (-13.5 +/- 20 and 0.1 +/- 19%, p = 0.04). Mean MU firing rates increased following the recovery period on the less affected side when compared to the affected side (19.3 +/- 17 and 0.5 +/- 20%, respectively, p = 0.03). MU action potential duration increased post-fatigue on both sides (10.3 +/- 1.2 to 11.2 +/- 1.3 ms on the affected side and 9.9 +/- 1.7 to 11.2 +/- 1.9 ms on the less-affected side, p = 0.001 and p = 0.02, respectively), and changes in action potential duration tended to be smaller in subjects with greater impairment (p = 0.04). This study presents evidence of both central and peripheral fatigue at the MU level during isometric fatiguing contraction for the first time in stroke survivors. Together, these preliminary observations indicate that the response to an isometric fatiguing contraction differs between the affected and less-affected side post-stroke, and may suggest that central mechanisms observed here as changes in firing rate are the dominant processes leading to task failure on the affected side. PMID- 29225575 TI - Investigation of Naturally Occurring Single-Nucleotide Variants in Human TAAR1. AB - Activation of trace amine-associated receptor 1 (TAAR1) in endocrine pancreas is involved in weight regulation and glucose homeostasis. The purpose of this study was the identification and characterization of potential TAAR1 variants in patients with overweight/obesity and disturbed glucose homeostasis. Screening for TAAR1 variants was performed in 314 obese or overweight patients with impaired insulin secretion. The detected variants were functionally characterized concerning TAAR1 cell surface expression and signaling properties and their allele frequencies were determined in the population-based Study of Health in Pomerania (SHIP). Three heterozygous carriers of the single nucleotide missense variants p.Arg23Cys (R23C, rs8192618), p.Ser49Leu (S49L, rs140960896), and p.Ille171Leu (I171L, rs200795344) were detected in the patient cohort. While p.Ser49Leu and p.Ille171Leu were found in obese/overweight patients with slightly impaired glucose homeostasis, p.Arg23Cys was identified in a patient with a complete loss of insulin production. Functional in vitro characterization revealed a like wild-type function for I171L, partial loss of function for S49L and a complete loss of function for R23C. The frequency of the R23C variant in 2018 non-diabetic control individuals aged 60 years and older in the general population-based SHIP cohort was lower than in the analyzed patient sample. Both variants are rare in the general population indicating a recent origin in the general gene pool and/or the consequence of pronounced purifying selection, in line with the obvious detrimental effect of the mutations. In conclusion, our study provides hints for the existence of naturally occurring TAAR1 variants with potential relevance for weight regulation and glucose homeostasis. PMID- 29225576 TI - Vitamin D Enhances Efficacy of Oral Nifedipine in Treating Preeclampsia with Severe Features: A Double Blinded, Placebo-Controlled and Randomized Clinical Trial. AB - Vitamin D (VD) has exhibited immunomodulatory role in the pathogenesis of preeclampsia. We hypothesize VD potentiate nifedipine treatment for preeclampsia by shortened the time to control blood pressure and prolong time before subsequent hypertensive crisis. We conduct a randomized trial of 683 primigravid women with preeclampsia, who were assigned to different treatment groups, either nifedipine+placebo or nifedipine+VD orally, by random after screening. Primary endpoints include time to control hypertension and time before another hypertensive crisis. Maternal adverse effects including nausea, vomiting, chest pain, mild headache, dizziness, maternal tachycardia, hypotension or shortness of breath, and neonatal parameters including birth weight and Apgar scores, as well as the minimum number of dosages needed to control hypertension were defined as secondary endpoints. Serum levels of cytokines tumor necrosis factor-alpha (TNF alpha) and interleukin-10 (IL-10) were also examined. There was a marked reduction of the time required to control hypertension and a significant lengthening (p = 0.013) of the time before a new hypertensive crisis in participants received nifedipine+VD treatments (41.8 +/- 18.3 min), in comparison with the nifedipine+placebo controls (61.1 +/- 15.9 min). In women treated with nifedipine+VD, the minimum number of dosages needed to control hypertension was also lower. With regard to adverse effects, no statistical difference was observed between the two treatment groups. Moreover, treatment with VD increased IL-10 and reduced TNF-alpha serum levels. VD possesses the potential of serving as a safe and effective adjuvant to oral nifedipine in treating women with preeclampsia against hypertension, possibly through the upregulation of IL-10 and the downregulation of TNF-alpha. PMID- 29225577 TI - If Channel as an Emerging Therapeutic Target for Cardiovascular Diseases: A Review of Current Evidence and Controversies. AB - In 2015, non-communicable diseases accounted for 39.5 million (70%) of the total 56.4 million deaths that occurred globally, of which 17.7 million (45%) were due to cardiovascular diseases. An elevated heart rate is considered to be one of the independent predictors and markers of future cardiovascular diseases. A variety of experimental and epidemiological studies have found that atherosclerosis, heart failure, coronary artery disease, stroke, and arrhythmia are linked to elevated heart rate. Although there are established drugs to reduce the heart rate, these drugs have undesirable side effects. Hence, the development of new drugs that selectively inhibit the heart rate is considered necessary. In the search for such drugs, almost four decades ago the If channel, also known as the "funny channel," emerged as a novel site for the selective inhibition of heart rate. These If channels, with a mixed sodium and potassium inward current, have been identified in the sinoatrial node of the heart, which mediates the slow diastolic depolarization of the pacemaker of the spontaneous rhythmic cells. The hyperpolarization-activated cyclic nucleotide-gated (HCN) subfamily is primarily articulated in the heart and neurons that are encoded by a family of four genes (HCN1-4) and they identify the funny channel. Of these, HCN-4 is the principal protein in the sinoatrial node. Currently, funny channel inhibition is being targeted for the treatment and prevention of cardiovascular diseases such as atherosclerosis and stroke. A selective If channel inhibitor named ivabradine was discovered for clinical use in treating heart failure and coronary artery disease. However, inconsistencies regarding the clinical effects of ivabradine have been reported in the literature, suggesting the need for a rigorous analysis of the available evidence. The objective of this review is therefore to assess the current advances in targeting the If channel associated with ivabradine and related challenges. PMID- 29225578 TI - Curcumin Suppresses the Colon Cancer Proliferation by Inhibiting Wnt/beta-Catenin Pathways via miR-130a. AB - Curcumin exhibits anti-tumor effects in several cancers, including colorectal carcinoma (CRC), but the detailed mechanisms are still unclear. Here we studied the mechanisms underlying the anti-tumor effect of curcumin in colon cancer cells. SW480 cells were injected into mice to establish the xenograft tumor model, followed by evaluation of survival rate with the treatment of curcumin. The expression levels of beta-catenin, Axin and TCF4 were measured in the SW480 cells in the absence or presence of curcumin. Moreover, miRNAs related to the curcumin treatment were also detected in vitro. Curcumin could suppress the growth of colon cancer cells in the mouse model. This anti-tumor activity of curcumin was exerted by inhibiting cell proliferation rather than promoting cell apoptosis. Further study suggested that curcumin inhibited cell proliferation by suppressing the Wnt/beta-catenin pathway. MiR-130a was down-regulated by curcumin treatment, and overexpressing miR-130a could abolish the anti-tumor activity of curcumin. Our study confirms that curcumin is able to inhibit colon cancer by suppressing the Wnt/beta-catenin pathways via miR-130a. MiR-130a may serve as a new target of curcumin for CRC treatment. PMID- 29225580 TI - Pulsatility of Lenticulostriate Arteries Assessed by 7 Tesla Flow MRI Measurement, Reproducibility, and Applicability to Aging Effect. AB - Characterization of flow properties in cerebral arteries with 1.5 and 3 Tesla MRI is usually limited to large cerebral arteries and difficult to evaluate in the small perforating arteries due to insufficient spatial resolution. In this study, we assessed the feasibility to measure blood flow waveforms in the small lenticulostriate arteries with 7 Tesla velocity-sensitive MRI. The middle cerebral artery was included as reference. Imaging was performed in five young and five old healthy volunteers. Flow was calculated by integrating time-varying velocity values over the vascular cross-section. MRI acquisitions were performed twice in each subject to determine reproducibility. From the flow waveforms, the pulsatility index and damping factor were deduced. Reproducibility values, in terms of the intraclass correlation coefficients, were found to be good to excellent. Measured pulsatility index of the lenticulostriate arteries significantly increased and damping factor significantly decreased with age. In conclusion, we demonstrate that blood flow through the lenticostriate arteries can be precisely measured using 7 Tesla MRI and reveal effects of arterial stiffness due to aging. These findings hold promise to provide relevant insights into the pathologies involving perforating cerebral arteries. PMID- 29225579 TI - Regulation of Tissue Growth by the Mammalian Hippo Signaling Pathway. AB - The integrative control of diverse biological processes such as proliferation, differentiation, apoptosis and metabolism is essential to maintain cellular and tissue homeostasis. Disruption of these underlie the development of many disease states including cancer and diabetes, as well as many of the complications that arise as a consequence of aging. These biological outputs are governed by many cellular signaling networks that function independently, and in concert, to convert changes in hormonal, mechanical and metabolic stimuli into alterations in gene expression. First identified in Drosophila melanogaster as a powerful mediator of cell division and apoptosis, the Hippo signaling pathway is a highly conserved regulator of mammalian organ size and functional capacity in both healthy and diseased tissues. Recent studies have implicated the pathway as an effector of diverse physiological cues demonstrating an essential role for the Hippo pathway as an integrative component of cellular homeostasis. In this review, we will: (a) outline the critical signaling elements that constitute the mammalian Hippo pathway, and how they function to regulate Hippo pathway dependent gene expression and tissue growth, (b) discuss evidence that shows this pathway functions as an effector of diverse physiological stimuli and PMID- 29225581 TI - Protective Effect of Unacylated Ghrelin on Compression-Induced Skeletal Muscle Injury Mediated by SIRT1-Signaling. AB - Unacylated ghrelin, the predominant form of circulating ghrelin, protects myotubes from cell death, which is a known attribute of pressure ulcers. In this study, we investigated whether unacylated ghrelin protects skeletal muscle from pressure-induced deep tissue injury by abolishing necroptosis and apoptosis signaling and whether these effects were mediated by SIRT1 pathway. Fifteen adult Sprague Dawley rats were assigned to receive saline or unacylated ghrelin with or without EX527 (a SIRT1 inhibitor). Animals underwent two 6-h compression cycles with 100 mmHg static pressure applied over the mid-tibialis region of the right limb whereas the left uncompressed limb served as the intra-animal control. Muscle tissues underneath the compression region, and at the similar region of the opposite uncompressed limb, were collected for analysis. Unacylated ghrelin attenuated the compression-induced muscle pathohistological alterations including rounding contour of myofibers, extensive nucleus accumulation in the interstitial space, and increased interstitial space. Unacylated ghrelin abolished the increase in necroptosis proteins including RIP1 and RIP3 and attenuated the elevation of apoptotic proteins including p53, Bax, and AIF in the compressed muscle. Furthermore, unacylated ghrelin opposed the compression-induced phosphorylation and acetylation of p65 subunit of NF-kB. The anti-apoptotic effect of unacylated ghrelin was shown by a decrease in apoptotic DNA fragmentation and terminal dUTP nick-end labeling index in the compressed muscle. The protective effects of unacylated ghrelin vanished when co-treated with EX527. Our findings demonstrated that unacylated ghrelin protected skeletal muscle from compression-induced injury. The myoprotective effects of unacylated ghrelin on pressure-induced tissue injury were associated with SIRT1 signaling. PMID- 29225583 TI - Item Response Patterns on the Patient Health Questionnaire-8 in a Nationally Representative Sample of US Adults. AB - Recent studies have shown that item responses on the Center for Epidemiologic Studies Depression Scale (CES-D) and Kessler Screening Scale for Psychological Distress (K6) exhibit the same characteristic item response patterns among the general population. However, the distributional patterns of responses on the Patient Health Questionnaire-8 (PHQ-8) among the general population have not been adequately studied. Thus, we conducted a pattern analysis of PHQ-8 item responses among US adults. Data (18,446 individuals) were obtained from the 2015 Behavioral Risk Factor Surveillance Survey (BRFSS). Item responses on the BRFSS version of the PHQ-8 were scored using the number of days response set and then converted to the original 4-point scale. The patterns of item responses were analyzed through graphical analysis. Lines of item responses scored using the number of days response set showed the same pattern among the eight items, characterized by crossing at a single point between "0 days" and "1 day," and parallel fluctuation from "1 day" to "14 days" on a semi-logarithmic scale. Lines of item responses converted to the 4-point scale also showed the same characteristic pattern among the eight items. The present results demonstrate that the item responses on the PHQ-8 show the same characteristic patterns among items, consistent with the CES D and the K6. PMID- 29225582 TI - Significant Need for a French Network of Expert Centers Enabling a Better Characterization and Management of Treatment-Resistant Depression (Fondation FondaMental). AB - Background: Major depression is characterized by (i) a high lifetime prevalence of 16-17% in the general population; (ii) a high frequency of treatment resistance in around 20-30% of cases; (iii) a recurrent or chronic course; (iv) a negative impact on the general functioning and quality of life; and (v) a high level of comorbidity with various psychiatric and non-psychiatric disorders, high occurrence of completed suicide, significant burden along with the personal, societal, and economic costs. In this context, there is an important need for the development of a network of expert centers for treatment-resistant depression (TRD), as performed under the leadership of the Fondation FondaMental. Methods: The principal mission of this national network is to establish a genuine prevention, screening, and diagnosis policy for TRD to offer a systematic, comprehensive, longitudinal, and multidimensional evaluation of cases. A shared electronic medical file is used referring to a common exhaustive and standardized set of assessment tools exploring psychiatric, non-psychiatric, metabolic, biological, and cognitive dimensions of TRD. This is paralleled by a medico economic evaluation to examine the global economic burden of the disease and related health-care resource utilization. In addition, an integrated biobank has been built by the collection of serum and DNA samples for the measurement of several biomarkers that could further be associated with the treatment resistance in the recruited depressed patients. A French observational long-term follow-up cohort study is currently in progress enabling the extensive assessment of resistant depressed patients. In those unresponsive cases, each expert center proposes relevant therapeutic options that are classically aligned to the international guidelines referring to recognized scientific societies. Discussion: This approach is expected to improve the overall clinical assessments and to provide evidence-based information to those clinicians most closely involved in the management of TRD thereby facilitating treatment decisions and choice in everyday clinical practice. This could contribute to significantly improve the poor prognosis, the relapsing course, daily functioning and heavy burden of TRD. Moreover, the newly created French network of expert centers for TRD will be particularly helpful for a better characterization of sociodemographic, clinical, neuropsychological, and biological markers of treatment resistance required for the further development of personalized therapeutic strategies in TRD. PMID- 29225584 TI - Prevalence Rates of the Incubus Phenomenon: A Systematic Review and Meta Analysis. AB - Background: The incubus phenomenon is a paroxysmal sleep-related disorder characterized by compound hallucinations experienced during brief phases of (apparent) wakefulness. The condition has an almost stereotypical presentation, characterized by a hallucinated being that exerts pressure on the thorax, meanwhile carrying out aggressive and/or sexual acts. It tends to be accompanied by sleep paralysis, anxiety, vegetative symptoms, and feelings of suffocation. Its prevalence rate is unknown since, in prior analyses, cases of recurrent isolated sleep paralysis with/without an incubus phenomenon have been pooled together. This is unfortunate, since the incubus phenomenon has a much greater clinical relevance than isolated sleep paralysis. Methods: PubMed, Embase, and PsycINFO were searched for prevalence studies of the incubus phenomenon, and a meta-analysis was performed. Results: Of the 1,437 unique records, 13 met the inclusion criteria, reporting on 14 (k) independent prevalence estimates (total N = 6,079). The pooled lifetime prevalence rate of the incubus phenomenon was 0.19 [95% confidence interval (CI) = 0.14-0.25, k = 14, N = 6,079] with heterogeneous estimates over different samples. In selected samples (e.g., patients with a psychiatric disorder, refugees, and students), prevalence rates were nearly four times higher (0.41, 95% CI = 0.25-0.56, k = 4, n = 1,275) than in the random samples (0.11, 95% CI = 0.08-0.14, k = 10, n = 4,804). This difference was significant (P < 0.001). Conclusion: This review and meta-analysis yielded a lifetime prevalence of the incubus phenomenon in the general population of 0.11 and, in selected samples, of 0.41. This is slightly higher than the prevalence rates in previous analyses that included cases of recurrent isolated sleep paralysis without an incubus phenomenon. Based on the condition's robust clinical presentation and the relatively high prevalence rates, we advocate inclusion of the incubus phenomenon as a diagnostic category in major classifications such as the International Classification of Diseases and Related Health Problems and the Diagnostic and Statistical Manual of Mental Disorders. Recommendations are also made for clinical practice and future research. PMID- 29225585 TI - Complement Coercion: The Joint Effects of Type and Typicality. AB - Complement coercion (begin a book ->reading) involves a type clash between an event-selecting verb and an entity-denoting object, triggering a covert event (reading). Two main factors involved in complement coercion have been investigated: the semantic type of the object (event vs. entity), and the typicality of the covert event (the author began a book ->writing). In previous research, reading times have been measured at the object. However, the influence of the typicality of the subject-object combination on processing an aspectual verb such as begin has not been studied. Using a self-paced reading study, we manipulated semantic type and subject-object typicality, exploiting German word order to measure reading times at the aspectual verb. These variables interacted at the target verb. We conclude that both type and typicality probabilistically guide expectations about upcoming input. These results are compatible with an expectation-based view of complement coercion and language comprehension more generally in which there is rapid interaction between what is typically viewed as linguistic knowledge, and what is typically viewed as domain general knowledge about how the world works. PMID- 29225586 TI - Extending the Cooperative Phenotype: Assessing the Stability of Cooperation across Countries. AB - This paper studies whether individual cooperation is stable across settings and over time. Involving more than 7,000 subjects on two different continents, this study documents positive correlation in cooperative behavior across economic games in Norway, Sweden, Austria, and the United States. The game measures also correlate with a tendency to make deontological judgments in moral dilemmas, and display of general trust toward strangers. Using time-variation in the data, we test whether temporal stability of behavior is similar in the United States and Norway, and find similar stability estimates for both the American and Norwegian samples. The findings here provide further evidence of the existence of a stable behavioral inclination toward prosociality - a "cooperative phenotype," as it has recently been termed. Also in line with previous research, we find that punishment and cooperation seem to be uncorrelated. PMID- 29225587 TI - Psychological Availability between Self-Initiated Expatriates and Host Country Nationals during Their Adjustment: The Moderating Role of Supportive Supervisor Relations. AB - This research examined the role of psychological availability as a means of psychological engagement between self-initiated expatriates (SIEs) and their host country nationals (HCNs) colleagues during their work and interaction adjustment. To reveal this process, this study presented the concept of psychological availability, which refers to an individual's belief that they are physically, cognitively, and emotionally ready or confident to engage the self with their colleagues, as a mediator between proactive personality and adjustment. Also, it investigated the relationship between proactive personality and psychological availability and how it was moderated by supportive supervisor relations. We hypothesized, this relationship would be weakened/strengthened when SIEs and HCNs received low/high level of support from their supervisor. This study was conducted as a quantitative study, data was used from 342 SIEs and 342 HCNs working in mainland China. Our finding supported the hypothesis that psychological availability mediated the relationship between proactive personality and their adjustment to an international work environment; in addition, the relationship between proactive personality and psychological availability would be stronger when the level of superiors relations support is high between SIEs and HCNs. This study demonstrated the value of proactive personality as an antecedent effect and supportive supervisor relations as a moderating effect, and investigated how these factors can lead to a sense of psychological availability and boost psychological engagement between SIEs and HCNs in order to improve the adjustment between them. PMID- 29225588 TI - Income Inequality and Happiness: An Inverted U-Shaped Curve. AB - Numerous studies agree that income inequality, rather than absolute income, is an important predictor of happiness. However, its specific role has been controversial. We argue that income inequality and happiness should exhibit an inverted U-shaped relationship due to the dynamic competing process between two effects: when income inequality is relatively low, the signal effect will be the dominating factor, in which individuals feel happy because they consider income inequality as a signal of social mobility and expect upward mobility; however, if income inequality level increases beyond a critical point, the jealousy effect will become the dominating factor, in which individuals tend to be unhappy because they are disillusioned about the prospect of upward mobility and jealous of their wealthier peers. This hypothesis is tested in a longitudinal dataset on the United States and a cross-national dataset on several European countries. In both datasets, the Gini coefficient (a common index of a society's income inequality) and its quadratic term were significant predictors of personal happiness. Further examinations of the quadratic relationships showed that the signal effect was only presented in the European data, while the jealousy effect was presented in both datasets. These findings shed new light on our understanding of the relationship between income inequality and personal happiness. PMID- 29225589 TI - State of the Art of Interpersonal Physiology in Psychotherapy: A Systematic Review. AB - Introduction: The fast expanding field of Interpersonal Physiology (IP) focuses on the study of co-ordination or synchronization dynamics between the physiological activities of two, or more, individuals. IP has been associated with various relational features (e.g., empathy, attachment security, rapport, closeness...) that overlap with desirable characteristics of clinical relationships, suggesting that the relevant studies might provide objective, economical, and theory-free techniques to investigate the clinical process. The goal of the present work is to systematically retrieve and review the literature on IP in the field of psychotherapy and psychological intervention, in order to consolidate the knowledge of this research domain, highlight its critical issues, and delineate possible developments. Method: Following the guidelines by Okoli and Schabram (2010), a systematic literature search was performed in Scopus, Web of Science, PsycINFO, and PubMed databases by means of multiple keyword combinations; the results were integrated with references to the retrieved articles' bibliography as well as to other published reviews on IP. Results: All the retrieved documents reported clinical interactions that are characterized, at least partially, by IP phenomena. They appear to use fragmented and sometimes ambiguous terminology and show a lack of both specific theory-informed hypotheses and sound analytical procedures. Conclusion: Although the psychological nature of IP and its role in the clinical relationship are still mostly unknown, the potential value of a physiology-based measure of implicit exchanges in psychotherapy drives an acceleration in this research field. On the basis of the highlighted critical issues, possible future directions for clinical IP researchers are discussed. PMID- 29225590 TI - N170 Reveals the Categorical Perception Effect of Emotional Valence. AB - As an important attribute of facial expression, emotional valence has been well explored, but its processing mechanisms remain ambiguous. Investigating the categorical perception (CP) of emotional valence might help uncover the objective basis of the subjective dichotomy of emotional valence and identify the stage at which this processing of valence information might occur. A judgment task was used in the current study with stimuli from the within- or between-category condition, in which participants were required to decide whether two presented faces showed the same emotion. The results of the behavioral experiment revealed a significant CP effect of emotional valence, with faster RTs and greater accuracy for the between- than for the within-category stimuli. In the ERP experiment, the N170 (peaking at approximately 150-170 ms) was found to reflect the CP effect of emotional valence, with a larger amplitude for the within- than for the between-category condition. In contrast, the P1 component (peaking at approximately 100-130 ms) was insensitive to the CP effect of emotional valence. These results reveal the existence of the CP of emotional valence and indicate that the N170 is its earliest electrophysiological index. Therefore, the categorization of emotional valence not only has an objective neural basis but occurs at a relatively early stage of processing. PMID- 29225591 TI - Incidence of Peripheral Arterial Disease and Its Association with Pulse Pressure: A Prospective Cohort Study. AB - Background: The association of pulse pressure and peripheral arterial disease (PAD) has seldom been examined using a prospective design. This study aimed to investigate the association of pulse pressure with PAD incidence in an elderly general population. Methods: We utilized data from a cohort conducted in Beijing with additionally 2-year follow-up time. PAD was defined as an ankle brachial index value <0.9 in either leg. Cox proportional hazard regression model was used to quantify the magnitude of pulse pressure on PAD incidence. Results: During a 2 year follow-up time, 357 of 4,201 (8.5%) participants developed PAD with 105 (6.9%) men and 252 (9.4%) women, respectively. After adjusting for baseline age, sex, body mass index, hypertension, diabetes, total cholesterol, and high-density lipoprotein cholesterol, and smoking, the hazard ratio and 95% confidence interval for people with pulse pressure greater than 60 mmHg was 2.20 (1.53, 3.15) compared with those whose pulse pressure was less than 40 mmHg. A linear trend was observed for the association of pulse pressure with PAD. Conclusion: Higher pulse pressure was associated with higher PAD incidence. PMID- 29225592 TI - Bacterial Succession on Sinking Particles in the Ocean's Interior. AB - Sinking particles formed in the photic zone and moving vertically through the water column are a main mechanism for nutrient transport to the deep ocean, and a key component of the biological carbon pump. The particles appear to be processed by a microbial community substantially different from the surrounding waters. Single cell genomics and metagenomics were employed to describe the succession of dominant bacterial groups during particle processing. Sinking particles were extracted from sediment traps at Station Aloha in the North Pacific Subtropical Gyre (NPSG) during two different trap deployments conducted in July and August 2012. The microbial communities in poisoned vs. live sediment traps differed significantly from one another, consistent with prior observations by Fontanez et al. (2015). Partial genomes from these communities were sequenced from cells belonging to the genus Arcobacter (commensalists potentially associated with protists such as Radiolaria), and Vibrio campbellii (a group previously reported to be associated with crustacea). These bacteria were found in the particle associated communities at specific depths in both trap deployments, presumably due to their specific host-associations. Partial genomes were also sequenced from cells belonging to Idiomarina and Kangiella that were enriched in live traps over a broad depth range, that represented a motile copiotroph and a putatively non motile algicidal saprophyte, respectively. Planktonic bacterial cells most likely caught in the wake of the particles belonging to Actinomarina and the SAR11 clade were also sequenced. Our results suggest that similar groups of eukaryote associated bacteria are consistently found on sinking particles at different times, and that particle remineralization involves specific, reproducible bacterial succession events in oligotrophic ocean waters. PMID- 29225593 TI - Diverse Cone-Snail Species Harbor Closely Related Streptomyces Species with Conserved Chemical and Genetic Profiles, Including Polycyclic Tetramic Acid Macrolactams. AB - Streptomyces are Gram-positive bacteria that occupy diverse ecological niches including host-associations with animals and plants. Members of this genus are known for their overwhelming repertoire of natural products, which has been exploited for almost a century as a source of medicines and agrochemicals. Notwithstanding intense scientific and commercial interest in Streptomyces natural products, surprisingly little is known of the intra- and/or inter-species ecological roles played by these metabolites. In this report we describe the chemical structures, biological properties, and biosynthetic relationships between natural products produced by Streptomyces isolated from internal tissues of predatory Conus snails, collected from the Great Barrier Reef, Australia. Using chromatographic, spectroscopic and bioassays methodology, we demonstrate that Streptomyces isolated from five different Conus species produce identical chemical and antifungal profiles - comprising a suite of polycyclic tetramic acid macrolactams (PTMs). To investigate possible ecological (and evolutionary) relationships we used genome analyses to reveal a close taxonomic relationship with other sponge-derived and free-living PTM producing Streptomyces (i.e., Streptomyces albus). In-depth phylogenomic analysis of PTM biosynthetic gene clusters indicated PTM structure diversity was governed by a small repertoire of genetic elements, including discrete gene acquisition events involving dehydrogenases. Overall, our study shows a Streptomyces-Conus ecological relationship that is concomitant with specific PTM chemical profiles. We provide an evolutionary framework to explain this relationship, driven by anti-fungal properties that protect Conus snails from fungal pathogens. PMID- 29225594 TI - Overexpression of OsCIPK30 Enhances Plant Tolerance to Rice stripe virus. AB - Rice stripe virus (RSV) causes a severe disease in Oryza sativa (rice) in many Eastern Asian countries. The NS3 protein of RSV is a viral suppressor of RNA silencing, but plant host factors interacting with NS3 have not been reported yet. Here, we present evidence that expression of RSV NS3 in Arabidopsis thaliana causes developmental abnormalities. Through yeast two-hybrid screening and a luciferase complementation imaging assay, we demonstrate that RSV NS3 interacted with OsCIPK30, a CBL (calcineurin B-like proteins)-interaction protein kinase protein. Furthermore, OsCIPK30 was overexpressed to investigate the function of OsCIPK30 in rice. Our investigation showed that overexpression of OsCIPK30 in rice could delay the RSV symptoms and show milder RSV symptoms. In addition, the expression of pathogenesis-related genes was increased in OsCIPK30 transgenic rice. These results suggest that overexpression of OsCIPK30 positively regulates pathogenesis-related genes to enhance the tolerance to RSV in rice. Our findings provide new insight into the molecular mechanism underlying resistance to RSV disease. PMID- 29225595 TI - Characteristics of and Virulence Factors Associated with Biofilm Formation in Clinical Enterococcus faecalis Isolates in China. AB - Enterococcus faecalis biofilm traits and distribution characteristics in China have not been clarified. This study aimed to determine the prevalence and characteristics of E. faecalis biofilm formation in a sample of clinical isolates and to explore the virulence factors associated with biofilm formation in those isolates. A total of 265 E. faecalis isolates were collected from patients in Shenzhen, China. Virulence genes were detected within the genomes of the microbes by polymerase chain reaction. The isolates were subjected to multilocus sequence typing (MLST) based on housekeeping genes. Biofilms were detected by crystal violet staining. The expression levels of the clinical E. faecalis isolates' genes were determined by quantitative real-time polymerase chain reaction. The prevalence of biofilm formation among E. faecalis clinical isolates was 47.2%. MLST yielded 44 different sequence types (STs). The main STs were ST16 and ST179; the ST16 isolates were more likely to form strong or medium biofilm than the ST179 isolates (p < 0.001). Strong or medium biofilm formation was more common in linezolid-resistant isolates than in linezolid-sensitive isolates (p = 0.001). Biofilm formation was more frequently detected in enterococcal surface protein (esp+), surface aggregating protein (asa1+), cytolysin A (cylA+), or aggregation substance (agg+) positive isolates than in isolates that were negative (-) for these virulence factors. Multivariate regression analysis indicated that cylA [odds ratio (OR) 4.083, p < 0.001] was a risk factor for weak biofilm formation, and that esp (OR 8.207, p < 0.001) was a risk factor for strong or medium biofilm formation. The expression of cylA was raised (4.02 to 6.00-fold) in weak biofilm isolates compared to the biofilm-negative isolates, and the expression of esp was greatly elevated (11.39 to 134.08-fold) in strong biofilm isolates compared to biofilm-negative isolates. In conclusion, the ST16 classification and linezolid resistance were positively associated with strong/medium biofilm formation in clinical E. faecalis isolates. cylA was associated with weak biofilm formation, and esp was only associated with strong or medium biofilm formation of the clinical E. faecalis isolates. PMID- 29225596 TI - IL-15 Enhances Activation and IGF-1 Production of Dendritic Epidermal T Cells to Promote Wound Healing in Diabetic Mice. AB - Altered homeostasis and dysfunction of dendritic epidermal T cells (DETCs) contribute to abnormal diabetic wound healing. IL-15 plays important roles in survival and activation of T lymphocytes. Recently, reduction of epidermal IL-15 has been reported as an important mechanism for abnormal DETC homeostasis in streptozotocin -induced diabetic animals. However, the role of IL-15 in impaired diabetic wound healing remains unknown. Here, we found that, through rescuing the insufficient activation of DETCs, IL-15 increased IGF-1 production by DETCs and thereby promoted diabetic skin wound repair. Regulation of IGF-1 in DETCs by IL 15 was partly dependent on the mTOR pathway. In addition, expression of IL-15 and IGF-1 were positively correlated in wounded epidermis. Together, our data indicated that IL-15 enhanced IGF-1 production by DETCs to promoting diabetic wound repair, suggesting IL-15 as a potential therapeutic agent for managing diabetic wound healing. PMID- 29225599 TI - Promoter Specificity and Efficacy in Conditional and Inducible Transgenic Targeting of Lung Macrophages. AB - Conditional and inducible Cre-loxP systems are used to target gene deletion to specific cell lineages and tissues through promoter-restricted expression of the bacterial DNA recombinase, Cre. Although Cre-loxP systems are widely used to target gene deletion in lung macrophages, limited data are published on the specificity and efficiency of "macrophage targeting" Cre lines. Using R26 stopfl/fl-TdTomato and tetOn-GFP reporter lines, we assessed the specificity and efficiency of four commercially available Cre driver lines that are often considered "macrophage specific." We evaluated two conditional (Csf1r-Cre and LysM-Cre) and two inducible [CX3CR1-estrogen receptor-Cre (ERCre) and CD68-rtTA] lines. We assessed Cre activation in six resident lung myeloid populations, as well as activation in lung leukocytes, lung epithelial and endothelial cells, peripheral blood leukocytes, and tissue macrophages of the spleen, bone marrow, and peritoneal cavity. Although Csf1r-Cre and LysM-Cre target resident alveolar macrophages (ResAM) and interstitial macrophages (IM) with high efficiency, neither line is specific for macrophages. Csf1r-Cre targets all leukocyte populations, while LysM-Cre targets dendritic cell, neutrophils, monocytes, and a quarter of lung epithelial cells. CX3CR1-ERCre and CD68-rtTA both target IM, but do not target ResAM. Further, although neither line is specific for macrophages, a pulse-wait administration of tamoxifen or doxycycline can be used to significantly improve IM specificity in these inducible lines. In summary, while Cre-loxP remains a powerful tool to study macrophage function, numerous pitfalls exist. Herein, we document strengths and weaknesses of Csf1r-Cre, LysM-Cre, CX3CR1-ERCre, and CD68-rtTA systems for targeting specific macrophage populations in the lungs and provide data that will aid investigators in selecting the proper strain. PMID- 29225597 TI - Tregs: Where We Are and What Comes Next? AB - Regulatory T cells are usually recognized as a specialized subset of CD4+ T cells functioning in establishment and maintenance of immune tolerance. Meanwhile, there is emerging evidence that regulatory T cells (Tregs) are also present in various non-lymphoid tissues, and that they have unique phenotypes credited with activities distinct from regulatory function. Their development and function have been described in plenty of manuscripts in the past two decades. However, with the deepening of research in recent years, emerging evidence revealed some novel mechanisms about how Tregs exert their activities. First, we discuss the expanding family of regulatory lymphocytes briefly and then, try to interpret how fork-head box P3 (Foxp3), a master regulator of the regulatory pathway in the development and function of regulatory T cells, functions. Subsequently, another part of our focus is varieties of tissue Tregs. Next, we primarily discuss recent research on how Tregs work and their faceted functions in terms of soluble mediators, functional proteins, and inhibitory receptors. In particular, unless otherwise noted, the term "Treg" is used here to refer specially to the "CD4+CD25+Foxp3+" regulatory cells. PMID- 29225598 TI - Innovative Approaches for Immune Tolerance to Factor VIII in the Treatment of Hemophilia A. AB - Hemophilia A (coagulation factor VIII deficiency) is a debilitating genetic disorder that is primarily treated with intravenous replacement therapy. Despite a variety of factor VIII protein formulations available, the risk of developing anti-dug antibodies ("inhibitors") remains. Overall, 20-30% of patients with severe disease develop inhibitors. Current clinical immune tolerance induction protocols to eliminate inhibitors are not effective in all patients, and there are no prophylactic protocols to prevent the immune response. New experimental therapies, such as gene and cell therapies, show promising results in pre clinical studies in animal models of hemophilia. Examples include hepatic gene transfer with viral vectors, genetically engineered regulatory T cells (Treg), in vivo Treg induction using immune modulatory drugs, and maternal antigen transfer. Furthermore, an oral tolerance protocol is being developed based on transgenic lettuce plants, which suppressed inhibitor formation in hemophilic mice and dogs. Hopefully, some of these innovative approaches will reduce the risk of and/or more effectively eliminate inhibitor formation in future treatment of hemophilia A. PMID- 29225600 TI - Hypoxic Stress-Induced Tumor and Immune Plasticity, Suppression, and Impact on Tumor Heterogeneity. AB - The microenvironment of a developing tumor is composed of proliferating cancer cells, blood vessels, stromal cells, infiltrating inflammatory cells, and a variety of associated tissue cells. The crosstalk between stromal cells and malignant cells within this environment crucially determines the fate of tumor progression, its hostility, and heterogeneity. It is widely accepted that hypoxic stresses occur in most solid tumors. Moreover, cancer cells found within hypoxic regions are presumed to represent the most aggressive and therapy-resistant fractions of the tumor. Here, we review evidence that hypoxia regulates cell plasticity, resistance to cell-mediated cytotoxicity, and immune suppression. Exposure to hypoxia occurs as a consequence of insufficient blood supply. Hypoxic cells activate a number of adaptive responses coordinated by various cellular pathways. Accumulating data also suggest that hypoxic stress in the tumor microenvironment promotes tumor escape mechanisms through the emergence of immune resistant tumor variants and immune suppression. Thus, solid tumors seem to build up a hostile hypoxic microenvironment that hampers cell-mediated immunity and dampen the efficacy of the immune response. PMID- 29225601 TI - Anti-Donor Immune Responses Elicited by Allogeneic Mesenchymal Stem Cells and Their Extracellular Vesicles: Are We Still Learning? AB - Mesenchymal stromal cells (MSC) have been used to treat a broad range of disease indications such as acute and chronic inflammatory disorders, autoimmune diseases, and transplant rejection due to their potent immunosuppressive/anti inflammatory properties. The breadth of their usage is due in no small part to the vast quantity of published studies showing their ability to modulate multiple immune cell types of both the innate and adaptive immune response. While patient derived (autologous) MSC may be the safer choice in terms of avoiding unwanted immune responses, factors including donor comorbidities may preclude these cells from use. In these situations, allogeneic MSC derived from genetically unrelated individuals must be used. While allogeneic MSC were initially believed to be immune-privileged, substantial evidence now exists to prove otherwise with multiple studies documenting specific cellular and humoral immune responses against donor antigens following administration of these cells. In this article, we will review recent published studies using non-manipulated, inflammatory molecule-activated (licensed) and differentiated allogeneic MSC, as well as MSC extracellular vesicles focusing on the immune responses to these cells and whether or not such responses have an impact on allogeneic MSC-mediated safety and efficacy. PMID- 29225602 TI - Sphingosine-1-Phosphate Promotes the Persistence of Activated CD4 T Cells in Inflamed Sites. AB - Inflammation can be protective or pathogenic depending on context and timeframe. Acute inflammation, including the accumulation of CD4 T cells, accompanies protective immune responses to pathogens, but the presence of activated CD4 T cells at sites of inflammation is associated with chronic inflammatory disease. While significant progress has been made in understanding the migration of CD4 T cells into inflamed sites, the signals that lead to their persistence are poorly characterized. Using a murine ear model of acute inflammation and intravital two photon imaging, we have dissected the signals that mediate CD4 T cell persistence. We report the unexpected finding that the bioactive lipid, sphingosine-1-phosphate (S1P), is both necessary and sufficient for the persistence of activated CD4 T cells at peripheral tissues in acute inflammation. S1P mediated the enhanced motility of CD4 T cells at inflamed tissues but did not affect their migration to the downstream draining lymph node. We found that sphingosine kinase-1, which regulates S1P production is increased at inflamed sites in mice and in patients with the chronic inflammatory disease, rheumatoid arthritis. Together, these data suggest that S1P, or its regulators, may be key targets to promote or disrupt accumulation of CD4 T cells at inflamed tissues. PMID- 29225603 TI - Regulatory T Cells Suppress Inflammation and Blistering in Pemphigoid Diseases. AB - Regulatory T cells (Tregs) are well known for their modulatory functions in adaptive immunity. Through regulation of T cell functions, Tregs have also been demonstrated to indirectly curb myeloid cell-driven inflammation. However, direct effects of Tregs on myeloid cell functions are insufficiently characterized, especially in the context of myeloid cell-mediated diseases, such as pemphigoid diseases (PDs). PDs are caused by autoantibodies targeting structural proteins of the skin. Autoantibody binding triggers myeloid cell activation through specific activation of Fc gamma receptors, leading to skin inflammation and subepidermal blistering. Here, we used mouse models to address the potential contribution of Tregs to PD pathogenesis in vivo. Depletion of Tregs induced excessive inflammation and blistering both clinically and histologically in two different PD mouse models. Of note, in the skin of Treg-depleted mice with PD, we detected increased expression of different cytokines, including Th2-specific IL-4, IL-10, and IL-13 as well as pro-inflammatory Th1 cytokine IFN-gamma and the T cell chemoattractant CXCL-9. We next aimed to determine whether Tregs alter the migratory behavior of myeloid cells, dampen immune complex (IC)-induced myeloid cell activation, or both. In vitro experiments demonstrated that co-incubation of IC-activated myeloid cells with Tregs had no impact on the release of reactive oxygen species (ROS) but downregulated beta2 integrin expression. Hence, Tregs mitigate PD by altering the migratory capabilities of myeloid cells rather than their release of ROS. Modulating cytokine expression by administering an excess of IL-10 or blocking IFN-gamma may be used in clinical translation of these findings. PMID- 29225604 TI - Transcriptional Regulation of T-Cell Lipid Metabolism: Implications for Plasma Membrane Lipid Rafts and T-Cell Function. AB - It is well established that cholesterol and glycosphingolipids are enriched in the plasma membrane (PM) and form signaling platforms called lipid rafts, essential for T-cell activation and function. Moreover, changes in PM lipid composition affect the biophysical properties of lipid rafts and have a role in defining functional T-cell phenotypes. Here, we review the role of transcriptional regulators of lipid metabolism including liver X receptors alpha/beta, peroxisome proliferator-activated receptor gamma, estrogen receptors alpha/beta (ERalpha/beta), and sterol regulatory element-binding proteins in T cells. These receptors lie at the interface between lipid metabolism and immune cell function and are endogenously activated by lipids and/or hormones. Importantly, they regulate cellular cholesterol, fatty acid, glycosphingolipid, and phospholipid levels but are also known to modulate a broad spectrum of immune responses. The current evidence supporting a role for lipid metabolism pathways in controlling immune cell activation by influencing PM lipid raft composition in health and disease, and the potential for targeting lipid biosynthesis pathways to control unwanted T-cell activation in autoimmunity is reviewed. PMID- 29225605 TI - The State of Cellular Adoptive Immunotherapy for Neuroblastoma and Other Pediatric Solid Tumors. AB - Research on adult cancer immunotherapy is proceeding at a rapid pace resulting in an impressive success rate exemplified by a few high profile cases. However, this momentum is not readily extended to pediatric immunotherapy, and it is not for lack of trying. Though reasons for the slower advance are not apparent, some issues can be raised. Pediatric cancer patients represent a distinct demographic group whose immune system is inherently different from that of mature adults. Treating pediatric patients with immunotherapy designed for adults may not yield objective clinical responses. Here, we will present an update on adoptive T-cell and natural killer-cell therapies for neuroblastoma and other childhood solid tumors. Additionally, we will delineate key differences between human fetal/neonatal and adult immune systems. We hope this will generate interests leading to the discussion of potential future directions for improving adoptive cancer immunotherapy for children. PMID- 29225606 TI - Epstein-Barr Virus-Specific Immune Control by Innate Lymphocytes. AB - Epstein-Barr virus (EBV) is a potent B cell transforming pathogen in humans. In most persistently EBV-infected individuals, potent cytotoxic lymphocyte responses prevent EBV-associated pathologies. In addition to comprehensive adaptive T cell responses, several innate lymphocyte populations seem to target different stages of EBV infection and are compromised in primary immunodeficiencies that render individuals susceptible to symptomatic EBV infection. In this mini-review, I will highlight the functions of natural killer, gammadelta T cells, and natural killer T cells during innate immune responses to EBV. These innate lymphocyte populations seem to restrict both lytic replication and transforming latent EBV antigen expression. The mechanisms underlying the recognition of these different EBV infection programs by the respective innate lymphocytes are just starting to become unraveled, but will provide immunotherapeutic strategies to target pathologies that are associated with the different EBV infection programs. PMID- 29225607 TI - Alternative Splicing of CIPK3 Results in Distinct Target Selection to Propagate ABA Signaling in Arabidopsis. AB - Calcium (Ca2+) signaling is pivotal in transmission of information in the cell. Various Ca2+ sensing molecules work to sense and relay the encrypted messages to the intended targets in the cell to maintain this signal transduction. CBL interacting protein kinases (CIPKs) are crucial components of Ca2+ signal transduction during various abiotic stresses. Although there are intron rich CIPKs in the plant genome but very little has been reported about their alternative splicing. Moreover the physiological significance of this event in the Ca2+ signaling is still elusive. Therefore in this study, we have selected CIPK3, which has highest number of splice variants amongst Arabidopsis CIPKs. Expression profiling of five splice variants of CIPK3 by qRT-PCR in four Arabidopsis thaliana ecotypes revealed preferential transcript accumulation but similar subcellular localization of the variants and interaction with similar CBLs. ABA and drought treatment resulted in the higher accumulation of the alternately spliced transcripts of CIPK3 in Arabidopsis ecotype Wassilewkija. The transcripts of CIPK3.1 and CIPK3.4 are relatively more induced compared to other alternative splice variants. Out of four splice variants studied, we found CIPK3.1 and CIPK3.2 showing preference for ABR1, a previously reported interactor of CIPK3. We conclude that the differential expression and choice of downstream partner by CIPK3-splice variants might be one of the mechanisms of Ca2+ mediated preferential regulation of ABA and other stress signals. PMID- 29225608 TI - Transcriptomic Profiling and Physiological Responses of Halophyte Kochia sieversiana Provide Insights into Salt Tolerance. AB - Halophytes are remarkable plants that can tolerate extremely high-salinity conditions, and have different salinity tolerance mechanisms from those of glycophytic plants. In this work, we investigated the mechanisms of salinity tolerance of an extreme halophyte, Kochia sieversiana (Pall.) C. A. M, using RNA sequencing and physiological tests. The results showed that moderate salinity stimulated the growth and water uptake of K. sieversiana and, even under 480-mM salinity condition, K. sieversiana maintained an extremely high water content. This high water content may be a specific adaptive strategy of K. sieversiana to high salinity. The physiological analysis indicated that increasing succulence and great accumulations of sodium, alanine, sucrose, and maltose may be favorable to the water uptake and osmotic regulation of K. sieversiana under high-salinity stress. Transcriptome data indicated that some aquaporin genes and potassium (K+) transporter genes may be important for water uptake and ion balance, respectively, while different members of those gene families were employed under low- and high-salinity stresses. In addition, several aquaporin genes were up regulated in low- but not high-salinity stressed roots. The highly expressed aquaporin genes may allow low-salinity stressed K. sieversiana plants to uptake more water than control plants. The leaf K+/root K+ ratio was enhanced under low- but not high-salinity stress, which suggested that low salinity might promote K+ transport from the roots to the shoots. Hence, we speculated that low salinity might allow K. sieversiana to uptake more water and transport more K+ from roots to shoots, increasing the growth rate of K. sieversiana. PMID- 29225609 TI - Efficiency of Trichome-Based Plant Defense in Phaseolus vulgaris Depends on Insect Behavior, Plant Ontogeny, and Structure. AB - Plant trichomes often function as physical barriers in preventing arthropod feeding and oviposition. Even though insects are frequently reported being entrapped and killed by trichome traps, the actual trapping behavior has not yet been described in detail. Capture experiments showed that capture efficiency during the plant's vegetative stage was considerably higher than in the fruiting and cotyledon stages. The ventral surface of the leaf was more effective in trapping flies than other parts of the plant. Capture-events monitoring showed that the mouthparts, legs, and ovipositor of Liriomyza trifolii adults are the body parts involved in entrapment by surface trichomes on Phaseolus vulgaris plants, and subsequently, deter their ability to feed, walk, and oviposit. Of the three main body parts normally affected, mouthparts was found to be the body part most susceptible to the trichomes. Entrapments were most often caused by landing, followed by puncturing or feeding, and occasionally by walking or fighting. Using scanning electron microscopy (SEM) and optical microscopy, we determined the susceptible positions of each body part and found that the flies were all trapped by hooked trichomes. This study revealed the process by which leafminer flies are entrapped by surface trichomes of the host plant and evaluated the capture efficiency. The results will contribute to our understanding of physical defenses against herbivores. PMID- 29225610 TI - Horizontal Gene Transfer Contributes to Plant Evolution: The Case of Agrobacterium T-DNAs. AB - Horizontal gene transfer (HGT) can be defined as the acquisition of genetic material from another organism without being its offspring. HGT is common in the microbial world including archaea and bacteria, where HGT mechanisms are widely understood and recognized as an important force in evolution. In eukaryotes, HGT now appears to occur more frequently than originally thought. Many studies are currently detecting novel HGT events among distinct lineages using next generation sequencing. Most examples to date include gene transfers from bacterial donors to recipient organisms including fungi, plants, and animals. In plants, one well-studied example of HGT is the transfer of the tumor-inducing genes (T-DNAs) from some Agrobacterium species into their host plant genomes. Evidence of T-DNAs from Agrobacterium spp. into plant genomes, and their subsequent maintenance in the germline, has been reported in Nicotiana, Linaria and, more recently, in Ipomoea species. The transferred genes do not produce the usual disease phenotype, and appear to have a role in evolution of these plants. In this paper, we review previous reported cases of HGT from Agrobacterium, including the transfer of T-DNA regions from Agrobacterium spp. to the sweetpotato [Ipomoea batatas (L.) Lam.] genome which is, to date, the sole documented example of a naturally-occurring incidence of HGT from Agrobacterium to a domesticated crop plant. We also discuss the possible evolutionary impact of T-DNA acquisition on plants. PMID- 29225611 TI - Overexpression of TaWRKY146 Increases Drought Tolerance through Inducing Stomatal Closure in Arabidopsis thaliana. AB - As a superfamily of transcription factors, the tryptophan-arginine-lysine tyrosine (WRKY) transcription factors have been found to be essential for abiotic and biotic stress responses in plants. Currently, only 76 WRKY transcription factors in wheat could be identified in the NCBI database, among which only a few have been functionally analyzed. Herein, a total of 188 WRKY transcription factors were identified from the wheat genome database, which included 123 full length coding sequences, and all of them were used for detailed evolution studies. By bioinformatics analysis, a WRKY transcription factor, named TaWRKY146, was found to be the homologous gene of AtWRKY46, overexpression of which leads to hypersensitivity to drought and salt stress in Arabidopsis. Consequently, the full length of TaWRKY146 was cloned, and the expression levels of TaWRKY146 were found significantly up-regulated in the leaves and roots of wheat seedlings, which were subjected to osmotic stress. Overexpression of TaWRKY146 in Arabidopsis was shown to enhance drought tolerance by the induction of stomatal closure that reduced the transpiration rate. All these results provide a firm foundation for further identification of WRKY transcription factors with important functions in wheat. PMID- 29225612 TI - Hidden Diversity in the Populations of the Armored Catfish Ancistrus Kner, 1854 (Loricariidae, Hypostominae) from the Parana River Basin Revealed by Molecular and Cytogenetic Data. AB - Only one species of armored catfish, Ancistrus cirrhosus Valenciennes 1836, has been historically described in the basin of the Parana River, from Misiones (Argentina). However, the ample variation found in the morphology and coloration of the populations sampled in the tributaries of the Brazilian state of Parana makes it difficult to establish the real taxonomic status and evolutionary history of the Ancistrus specimens, suggesting that A. cirrhosus is not the only species found in this basin. By combining data on mitochondrial DNA (COI gene) and chromosomal markers from different Ancistrus populations, totaling 144 specimens, in the tributaries of the Parana, and specimens from Misiones (type locality of A. cirrhosus), we detected five distinct evolutionary lineages. All the specimens were 2n = 50, but had four distinct karyotype formulae. The results of the Generalized Mixed Yule Coalescent (GYMC) and the genetic distances (uncorrected P-values) between lineages ranged from 3 to 5%. Clusters of 18S rDNA were observed in a single chromosome pair in seven populations of Ancistrus, but at different positions, in some cases, in synteny with the 5S rDNA sites. Multiple 5S sites were observed in all populations. Overall, the cytogenetic data reinforce the genetic evidence of the diversification of lineages, and indicate the existence of candidate species in the study region. The evidence indicates that at least four candidate species of the Ancistrus may coexist in the Parana basin besides A. cirrhosus. Overall, our results provide a comprehensive scenario for the genetic variation among Ancistrus populations and reinforce the conclusion that the true diversity of the freshwater fish of the Neotropical regions has been underestimated. PMID- 29225613 TI - A Multitasking Electrical Impedance Tomography System Using Titanium Alloy Electrode. AB - This paper presents a multitasking electrical impedance tomography (EIT) system designed to improve the flexibility and durability of an existing EIT system. The ability of the present EIT system to detect, locate, and reshape objects was evaluated by four different experiments. The results of the study show that the system can detect and locate an object with a diameter as small as 1.5 mm in a testing tank with a diameter of 134 mm. Moreover, the results demonstrate the ability of the current system to reconstruct an image of several dielectric object shapes. Based on the results of the experiments, the programmable EIT system can adapt the EIT system for different applications without the need to implement a new EIT system, which may help to save time and cost. The setup for all the experiments consisted of a testing tank with an attached 16-electrode array made of titanium alloy grade 2. The titanium alloy electrode was used to enhance EIT system's durability and lifespan. PMID- 29225614 TI - New Transcriptional Reporters to Quantify and Monitor PPARgamma Activity. AB - The peroxisome-proliferator-activated-receptor-gamma (PPARgamma) is a member of the nuclear receptor superfamily that plays a critical role in diverse biological processes, including adipogenesis, lipid metabolism, and placental development. To study the activity of PPARgamma, we constructed two new reporter genes: a fluorescent GFP-tagged histone-2B (PPRE-H2B-eGFP) and a secreted nanoluciferase (PPRE-pNL1.3[secNluc]). This study demonstrates their usage to monitor PPARgamma activity in different cell types and screen for PPARgamma's potential ligands. PMID- 29225616 TI - Multimodal Personal Verification Using Likelihood Ratio for the Match Score Fusion. AB - In this paper, the authors present a novel personal verification system based on the likelihood ratio test for fusion of match scores from multiple biometric matchers (face, fingerprint, hand shape, and palm print). In the proposed system, multimodal features are extracted by Zernike Moment (ZM). After matching, the match scores from multiple biometric matchers are fused based on the likelihood ratio test. A finite Gaussian mixture model (GMM) is used for estimating the genuine and impostor densities of match scores for personal verification. Our approach is also compared to some different famous approaches such as the support vector machine and the sum rule with min-max. The experimental results have confirmed that the proposed system can achieve excellent identification performance for its higher level in accuracy than different famous approaches and thus can be utilized for more application related to person verification. PMID- 29225615 TI - Epileptic Seizure Prediction Using CSP and LDA for Scalp EEG Signals. AB - This paper presents a patient-specific epileptic seizure predication method relying on the common spatial pattern- (CSP-) based feature extraction of scalp electroencephalogram (sEEG) signals. Multichannel EEG signals are traced and segmented into overlapping segments for both preictal and interictal intervals. The features extracted using CSP are used for training a linear discriminant analysis classifier, which is then employed in the testing phase. A leave-one-out cross-validation strategy is adopted in the experiments. The experimental results for seizure prediction obtained from the records of 24 patients from the CHB-MIT database reveal that the proposed predictor can achieve an average sensitivity of 0.89, an average false prediction rate of 0.39, and an average prediction time of 68.71 minutes using a 120-minute prediction horizon. PMID- 29225617 TI - Fecal Calprotectin: A Reliable Predictor of Mucosal Healing after Treatment for Active Ulcerative Colitis. AB - Objectives: Mucosal healing has become the new goal of treatment in ulcerative colitis. Fecal calprotectin has been demonstrated to differentiate between mucosal inflammation and mucosal healing. With this project, we investigated whether a reduction in f-calprotectin to <250 MUg/g after medical treatment for active ulcerative colitis could predict mucosal healing. Material and Methods: After a baseline colonoscopy, 20 patients with active ulcerative colitis were followed with consecutive fecal calprotectin monthly until two measurements of fecal calprotectin < 250 MUg/g or a maximum follow-up of 12 months. A flexible sigmoidoscopy was then performed and Mayo endoscopic subscore was used to evaluate degree of inflammation. Simple Clinical Colitis Activity Index was used for evaluation of clinical disease activity. Results: A total of 16 patients achieved fecal calprotectin < 250 MUg/g during follow-up, and all 16 patients had endoscopic mucosal healing (Mayo endoscopic subscore of <=1) on the second endoscopy. The remaining four patients had persistently high f-calprotectin levels before the second endoscopy with Mayo endoscopic subscore corresponding to endoscopic mucosal healing in three out of four patients. Conclusions: Fecal calprotectin <250 MUg/g after medical treatment for active ulcerative colitis is a reliable marker of endoscopic mucosal healing. PMID- 29225618 TI - Influence of Enhanced Recovery Pathway on Surgical Site Infection after Colonic Surgery. AB - Background: The present study aimed to evaluate a potential effect of ERAS on surgical site infections (SSI). Methods: Colonic surgical patients operated between May 2011 and September 2015 constituted the cohort for this retrospective analysis. Over 100 items related to demographics, surgical details, compliance, and outcome were retrieved from a prospectively maintained database. SSI were traced by an independent National surveillance program. Risk factors for SSI were identified by univariate and multinomial logistic regression. Results: Fifty-four out of 397 patients (14%) developed SSI. Independent risk factors for SSI were emergency surgery (OR 1.56; 95% CI 1.09-1.78, p = 0.026), previous abdominal surgery (OR 1.7; 95% CI 1.32-1.87, p = 0.004), smoking (OR 1.71; 95% CI 1.22 1.89, p = 0.014), and oral bowel preparation (OR 1.86; 95% CI 1.34-1.97, p = 0.013), while minimally invasive surgery (OR 0.3; 95% CI 0.16-0.56, p < 0.001) protected against SSI. Compliance to ERAS items of >70% was not retained as a protective factor for SSI after multivariate analysis (OR 0.94; 95% CI 0.46-1.92, p = 0.86). Conclusions: Smoking, open and emergency surgery, and bowel preparation were risk factors for SSI. ERAS pathway had no independent impact while minimally invasive approach did. This study was registered under ResearchRegistry.com (UIN researchregistry2614). PMID- 29225619 TI - Clinical Application of CT-Guided Percutaneous Microwave Ablation for the Treatment of Lung Metastasis from Colorectal Cancer. AB - Objective: The aim of our research is to explore the clinical efficacy and safety of CT-guided percutaneous microwave ablation (MWA) for the treatment of lung metastasis from colorectal cancer. Materials and Methods: CT-guided percutaneous MWA was performed in 22 patients (male 14, female 8, mean age: 56.05 +/- 12.32 years) with a total of 36 lung metastatic lesions from colorectal cancer between February 2014 and May 2017. Clinical data were retrospectively analyzed with respect to the efficacy, safety, and outcome. Results: Of the 36 lesions, 34 lesions (94.4%) reduced obviously with small cavitations or fibrous stripes formed and had no evidence of recurrence during follow-up. The volume of the other 2 lesions demonstrated local progression after 6 months by follow-up CT. The primary complications included pneumothorax (28%), chest pain (21%), and fever (5%). These symptoms and signs were obviously relieved or disappeared after several-day conservative treatment. The mean follow-up of the patients was 25.54 +/- 12.58 months (range 2-41 months). The estimated progression-free survival rate was 94.4%. Conclusion: Our results demonstrate that CT-guided percutaneous MWA appears to be an effective, reliable, and minimally invasive method for the treatment of lung metastasis from colorectal cancer. This trial is registered with ChiCTR-ORC-17012904. PMID- 29225620 TI - The Internet Use for Health Information Seeking among Ghanaian University Students: A Cross-Sectional Study. AB - The aim of the study was to investigate university students' use of the Internet for health purpose in the Ghanaian context. The study employed a quantitative cross-sectional design. A total of 650 out of 740 students selected from 3 different universities participated, giving a response rate of 87.7% (650/740). Data were obtained using questionnaires and frequency and percentages were used to analyze data. The results show that university students are active users of the Internet as 78.3% (509/650) used Internet daily and 67.7% (440/650) use Internet for health purposes, for reasons including availability and ease of accessing information, privacy, confidentiality, and affordability. Use of Internet was constrained by unreliable and slow connection, high cost of Internet, and unreliable power supply. Also, 72.4% (315/435) used the online health information obtained as a basis for lifestyle change and only 39.5% (170/430) consulted health professionals after obtaining online information. The study concludes that students use Internet to seek online health support. The use of Internet to communicate with young people in relation to their health must therefore be explored. There is the need to be aware of online safety issues for young adults, including the need to provide information on privacy options. PMID- 29225621 TI - Improved Health Status and Life Satisfaction among Older People following Self Help Group Intervention in Jakarta. AB - Although self-help group for older people gains the effectiveness, the effect of a nursing intervention using a self-help group model as a guideline for self monitoring and intervention on the health status and life satisfaction among older people still remains. To determine the effectiveness of this nursing intervention, an experimental design using multistage sampling method was used for this study. The self-help intervention included a single 50-70-minute session once a week for 12 weeks done, using the Life Satisfaction Inventory-A (LSI-A) questionnaire, and SF-36 shows a significant difference. Self-help intervention could be implemented by nurses for older people in the community to improve health and well-being. PMID- 29225622 TI - Correlation between CH2DS2-VASc Score and Serum Leptin Levels in Cardioembolic Stroke Patients: The Impact of Metabolic Syndrome. AB - Objective: To determine adipokines levels in patients with different etiologic subtypes of acute ischemic stroke (AIS) and metabolic syndrome (MetS) status. Methods: Serum adiponectin, leptin, and resistin levels were determined by ELISA in 99 AIS patients and 59 stroke-free control group subjects. Stroke patients were grouped based on MetS, modified TOAST classification, and CHA2DS2-VASc scale in case of cardioembolic stroke following atrial fibrillation. Results: No differences were found in all adipokine serum levels between AIS patients and appropriately matched control group. MetS-AIS patients had significantly higher leptin levels (22.71 +/- 19.01 ng/ml versus 8.95 +/- 9.22 ng/ml, p < 0.001) and lower adiponectin levels (10.71 +/- 8.59 ng/ml versus 14.93 +/- 10.95 ng/ml, p < 0.05) than non-MetS-AIS patients. In patients with cardioembolic stroke, leptin levels were significantly higher than in remaining stroke cases (19.57 +/- 20.53 ng/ml versus 13.17 +/- 12.36 ng/ml, p < 0.05) and CHA2DS2-VASc score positively correlated with leptin levels only (p < 0.001). Analysis of individual components of CHA2DS2-VASc score showed that hypertension, female gender, and diabetes had greatest impact on elevated serum leptin level. Conclusion: This pilot study revealed that leptin could be a potential biomarker for risk stratification of cardioembolic stroke in MetS patients and that heterogeneity of stroke subtypes should be considered for more refined and precise clinical stroke studies. PMID- 29225623 TI - Ki-67 Expression by Immunohistochemistry and Quantitative Real-Time Polymerase Chain Reaction as Predictor of Clinical Response to Neoadjuvant Chemotherapy in Locally Advanced Breast Cancer. AB - Background: Chemotherapy has become a standard of treatment in managing breast cancer. To achieve proper treatment for the right patients, the predictive marker is needed. Ki-67 is a biomarker of proliferation for solid tumor. Studies mentioned association of Ki-67 expression with chemotherapy response. The study aims are to evaluate whether Ki-67 expression detected by immunohistochemistry (IHC) and quantitative real-time polymerase chain reaction (qRT-PCR) may predict clinical response to neoadjuvant chemotherapy in breast cancer. Methods: This study utilized a longitudinal study. IHC and qRT-PCR methods were used for detection of Ki-67 expression. Chemotherapy response was calculated using RECIST. Data were analyzed with Chi-square and Wilcoxon's test. Results: There were 48 subjects in this study. Analysis of Ki-67 expression with chemotherapy response has a significant correlation with p = 0.025 (<0.05), OR: 1.69, confidence interval (95% CI) 1.022-2.810. Analysis of Ki-67 mRNA expression with chemotherapy response has a significant correlation p = 0.002 (<0.05), OR: 6.85, confidence interval (95% CI) 1.064-44.193. Detection of Ki-67 expression using IHC and qRT-PCR has similar results, p = 0.012 (<0.05). Conclusion: These results suggest that Ki-67 expression detected by both IHC and qRT-PCR is considered to be a predictor of clinical response to neoadjuvant chemotherapy in locally advanced breast cancer. PMID- 29225624 TI - A Competition between Care Teams Improved Recording of Diagnoses in Primary Dental Care: A Longitudinal Follow-Up Study. AB - Introduction: A playful competition was launched in a primary dental health care system to improve the recording of diagnoses into an electronic patient chart system and to study what diagnoses were used in primary dental care. Methods: This was a longitudinal follow-up study with public sector primary dental care practices in a Finnish city. A one-year-lasting playful competition between the dental care teams was launched and the monthly percentage of dentists' visits with recorded diagnosis before, during, and after the intervention was recorded. The assessed diagnoses were recorded with the International Classification of Diseases (ICD-10). Results: Before the competition, the level of diagnosis recordings was practically zero. At the end of this intervention, about 25% of the visits had a recorded diagnosis. Two years after the competition, this percentage was 35% without any additional measures. The most frequent diagnoses were dental caries (K02, 38.6%), other diseases of hard tissues of teeth (K03, 14.8%), and diseases of pulp and periapical tissues (K04, 11.4%). Conclusions: Commitment to the idea that recording of diagnoses was beneficial improved the recording of dental diagnoses. However, the diagnoses obtained did not accurately reflect the reputed prevalence of oral diseases in the Finnish population. PMID- 29225626 TI - Hemothorax due to Ruptured Mycotic Aneurysm of Intercostal Arteries Associated with Infective Endocarditis. AB - We present a case of hemothorax due to ruptured mycotic aneurysm in three intercostal arteries in a 40-year-old male with methicillin-resistant Staphylococcus aureus infective endocarditis (IE) due to intravenous drug use. Microcoil embolization and thoracotomy successfully achieved hemostasis. Mycotic aneurysm is a rare complication of IE and is usually found in the intracranial vessels. Ruptured mycotic aneurysm in the intercostal arteries can be associated with IE and can present as acute hemothorax. PMID- 29225625 TI - Review of Routine Laboratory Monitoring for Patients with Rheumatoid Arthritis Receiving Biologic or Nonbiologic DMARDs. AB - Safety concerns associated with many drugs indicated for the treatment of rheumatoid arthritis (RA) can be attenuated by the early identification of toxicity through routine laboratory monitoring; however, a comprehensive review of the recommended monitoring guidelines for the different available RA therapies is currently unavailable. The aim of this review is to summarize the current guidelines for laboratory monitoring in patients with RA and to provide an overview of the laboratory abnormality profiles associated with each drug indicated for RA. Recommendations for the frequency of laboratory monitoring of serum lipids, liver transaminases, serum creatinine, neutrophil counts, and platelet counts in patients with RA were compiled from a literature search for published recommendations and guidelines as well as the prescribing information for each drug. Laboratory abnormality profiles for each drug were compiled from the prescribing information for each drug and a literature search including meta analyses and primary clinical trials data. PMID- 29225627 TI - Isolation and Molecular Characterization of Amniotic Fluid-Derived Mesenchymal Stem Cells Obtained from Caesarean Sections. AB - Human amniotic fluid cells are immune-privileged with low immunogenicity and anti inflammatory properties. They are able to self-renew, are highly proliferative, and have a broad differentiation potential, making them amenable for cell-based therapies. Amniotic fluid (AF) is routinely obtained via amniocentesis and contains heterogeneous populations of foetal-derived progenitor cells including mesenchymal stem cells (MSCs). In this study, we isolated human MSCs from AF (AF MSCs) obtained during Caesarean sections (C-sections) and characterized them. These AF-MSCs showed typical MSC characteristics such as morphology, in vitro differentiation potential, surface marker expression, and secreted factors. Besides vimentin and the stem cell marker CD133, subpopulations of AF-MSCs expressed pluripotency-associated markers such as SSEA4, c-Kit, TRA-1-60, and TRA 1-81. The secretome and related gene ontology (GO) terms underline their immune modulatory properties. Furthermore, transcriptome analyses revealed similarities with native foetal bone marrow-derived MSCs. Significant KEGG pathways as well as GO terms are mostly related to immune function, embryonic skeletal system, and TGFbeta-signalling. An AF-MSC-enriched gene set included putative AF-MSC markers PSG5, EMX-2, and EVR-3. In essence, C-section-derived AF-MSCs can be routinely obtained and are amenable for personalized cell therapies and disease modelling. PMID- 29225628 TI - Noncoding RNA and Cardiomyocyte Proliferation. AB - It is acknowledged that postnatal mammalian cardiomyocytes (CMs) turn over with a very limited efficacy in both physiological and pathological conditions. Recent studies showed that those newly formed CMs are derived from preexisting CMs. Thus, stimulating CM proliferation becomes a promising strategy for inducing cardiac regeneration. Noncoding RNAs were found differently expressed in CMs with different proliferation potential. Moreover, manipulation of noncoding RNAs, in particular microRNAs, was proved to promote or suppress CM proliferation, indicating that noncoding RNAs are involved in the underlying mechanism of CM proliferation. This review mainly summarizes the roles of noncoding RNAs, as a class of influential factors, in the regulation of CM proliferation. PMID- 29225629 TI - Synthesis, SAR, and Docking Studies Disclose 2-Arylfuran-1,4-naphthoquinones as In Vitro Antiplasmodial Hits. AB - A total of 28 lapachol-related naphthoquinones with four different scaffolds were synthesized and spectroscopically characterized. In vitro antiplasmodial activity was assayed against the chloroquine-resistant Plasmodium falciparum W2 strain by the parasite lactate dehydrogenase (pLDH) method. Cytotoxicity against Hep G2A16 cell was determined by the MTT assay. All compounds disclosed higher in vitro antiplasmodial activity than lapachol. Ortho- and para-naphthoquinones with a furan ring fused to the quinonoid moiety were more potent than 2-hydroxy-3-(1' alkenyl)-1,4-naphthoquinones, while ortho-furanonaphthoquinones were more cytotoxic. Molecular docking to Plasmodium targets Pfcyt bc1 complex and PfDHOD enzyme showed that five out of the 28 naphthoquinones disclosed favorable binding energies. Furanonaphthoquinones endowed with an aryl moiety linked to the furan ring are highlighted as new in vitro antiplasmodial lead compounds and warrant further investigation. PMID- 29225631 TI - Initial intravenous immunoglobulin doses should be based on adjusted body weight in obese patients with primary immunodeficiency disorders. AB - Background: Immunoglobulin therapy plays a critical role in the treatment of immunodeficiency disorders as well as autoimmune and inflammatory conditions. In immunodeficient patients, there has been controversy whether initial loading doses of intravenous (IVIG) should be based on actual body weight or a calculated parameter such as adjusted body weight in obese patients. Case presentation: I describe a patient with Common Variable Immunodeficiency disorder (CVID) who underwent bariatric surgery for morbid obesity. Her weight decreased by 50% to below her calculated ideal body weight (IBW) while her immunoglobulin requirement fell by approximately 20%. Her steady state serum IgG increased from approximately 7 g/l to 11.7 g/l concomitant with weight loss. Conclusions: I present this observation as support for the recommendation that initial loading doses of SCIG/IVIG in immunodeficiency should be based on adjusted body weight (AjBW) and not actual body weight in obese patients. This has important fiscal implications for treating obese patients with immunodeficiency disorders. PMID- 29225630 TI - Bio- and chemocatalysis cascades as a bridge between biology and chemistry for green polymer synthesis. AB - The development and integration of bio- and chemocatalytic processes to convert renewable or biomass feedstocks into polymers is a vibrant field of research with enormous potential for environmental protection and the mitigation of global warming. Here, we review the biotechnological and chemical synthetic strategies for producing platform monomers from bio-based sources and transforming them into eco-polymers. We also discuss their advanced bio-application using the example of polylactide (PLA), the most valuable green polymer on the market. PMID- 29225632 TI - Recent Advances in Root Canal Disinfection: A Review. AB - The microbial biofilm is an important factor for human infection. Finding effective antimicrobial strategies should be considered for decreasing antimicrobial resistance and controlling the infectious diseases. Treatment of infected canal systems may not be able to remove all bacteria and so bacterial persistence after treatment may occur. Application of antibacterial nanoparticles may be a potential strategy to improve the elimination of bacteria from the canal. Furthermore, mechanism of action and applications of photodynamic therapy and Photon-induced photoacoustic streaming (PIPS) and GentleWave system was reviewed. PMID- 29225634 TI - Efficiency of Different Endodontic Irrigation and Activation Systems in Removal of the Smear Layer: A Scanning Electron Microscopy Study. AB - Introduction: This in vitro study was designed to evaluate and compare different endodontic irrigation and activation systems for removal of the intracanal smear layer. Methods and Materials: Forty recently extracted, non-carious human intact single rooted premolars were selected and divided into five groups (n=10) according to the root canal irrigation systems; syringe and needle irrigation (CTR), sonic irrigation, passive ultrasonic irrigation (PUI) and EndoVac irrigation system. All groups were prepared to #40 apical size with K-files. Each sample was subjected to final irrigation by using four different irrigation/activation systems. After splitting the samples, one half of each root was selected for examination under scanning electron microscope (SEM). The irrigation systems were compared using the Fisher's exact test with the level of significance set at 0.05. Results: The four groups did not differ from each other in the coronal and mid-root parts of the canal. In the apical part of the canal none of the methods could completely remove all the smear layer but EndoVac system showed significantly better removal of smear layer and debris than the other methods. Conclusion: Within the limitations of the present study, the EndoVac system cleaned the apical part of the canal more efficiently than sonic, ultrasonic and syringe and needle irrigation. PMID- 29225633 TI - Genotoxicity, Bioactivity and Clinical Properties of Calcium Silicate Based Sealers: A Literature Review. AB - An ideal endodontic sealer should have many properties such as excellent seal after setting, dimensional stability, slow setting time to ensure sufficient working time, insolubility to tissue fluids, adequate adhesion with canal walls and biocompatibility. Genotoxicity is one of the important factors that influence biocompatibility of an endodontic sealer. This literature review was conducted to survey the genotoxicity, bioactivity and clinical perspectives of calcium silicate based sealers. We searched PubMed using appropriate MeSH keywords. Also a hand search was conducted in the related journals. Sixty eight articles were assessed finally. Genotoxicity and acute inflammation were high in calcium silicate based sealers. Both resin-based and calcium silicate based sealers caused perceptible tooth discoloration. There were controversies regarding the fracture resistance, apical patency and retreatability of different sealers. Clinical properties of calcium silicate-based sealers are also outlined. PMID- 29225635 TI - In Vitro Comparison of Cytotoxicity and Genotoxicity of Three Vital Pulp Capping Materials. AB - Introduction: Direct pulp capping (DPC) is a treatment for maintaining pulp vitality and its biological function. Ideally, pulp capping agents are expected to induce pulp cells to form hard tissue. This in vitro study assessed the cytotoxicity and genotoxicity of three vital pulp capping (VPC) agents naming Biodentine (Septodont, Saint-Maur-des-Fosses, France), mineral trioxide aggregate (ProRoot MTA; Dentsply, Tulsa Dental, Tulsa, OK, USA) and TheraCal LC (Bisco Inc, Schamburg, IL, USA) on human dental pulp fibroblasts. Methods and Materials: Human fibroblasts were exposed to 100 uL of ProRoot MTA, TheraCal LC and Biodentine in 0-1000 ug/mL concentrations and incubated at 37 degrees C for 24 h. Their cytotoxicity and genotoxicity were assessed using the methyl thiazol tetrazolium (MTT) and the comet assays, respectively. The data were analyzed by Kruskal-Wallis test at the level of significance set at 0.05. Results: None of the tested materials had cytotoxicity or genotoxicity. Conclusion: TheraCal LC, Biodentine and ProRoot MTA can be alternately used for VPC treatment of teeth. PMID- 29225636 TI - Evaluation of the Prevalence of Complete Isthmii in Permanent Teeth Using Cone Beam Computed Tomography. AB - Introduction: The current study aimed at determining the prevalence of complete isthmii in permanent teeth, using cone-beam computed tomography (CBCT) in a selected Iranian community. Methods and Materials: In this cross sectional study, 100 CBCT images (from 58 female and 42 male patients) including 1654 teeth (809 maxillary and 845 mandibular teeth) were evaluated. Each tooth root was evaluated in axial plane (interval, 0.1 mm; thickness, 0.1 mm) from the orifice to the apex and from the apex to the orifice to detect the presence of complete isthmus. Scans of teeth with complete isthmii were reevaluated in axial, sagittal, and coronal planes with the thickness, 0.1 mm. Presence and absence of complete isthmii in each tooth was reported. The root canal was divided into 3 equal parts (cervical, middle and apical thirds), and isthmii were classified with respect to the start and end points. Findings were classified into 6 categories with respect to the start and end points of the isthmii: 1) the beginning and end in the cervical third; 2) the beginning in the cervical third and end in the middle third ; 3) the beginning in the cervical third and end in the apical third ; 4) the beginning and end in the middle third ; 5) the beginning in the middle third and end in the apical third and 5) the beginning and end in the apical third. Results: The prevalence of complete isthmus in permanent teeth was 8.6%, and the highest prevalence was reported in mesial roots of the mandibular first molars. In maxilla, the highest prevalence of complete isthmus was found in mesiobuccal roots of the maxillary first molars, whereas in canines and central incisors, no isthmii were detected. In the mandible, the lowest prevalence of isthmus was found in second premolars. In maxillary molars, isthmii starting and ending in the middle third of the root had the highest prevalence. On the other hand, isthmii in mandibular molars, from apical or middle third of the root beginning to the end of the apical third, had the highest prevalence. Conclusion: As the prevalence of complete isthmii was the highest in molars, endodontists should pay particular attention to accomplish a successful surgical or nonsurgical root canal therapy. PMID- 29225637 TI - Incidence of Dentinal Crack after Root Canal Preparation by ProTaper Universal, Neolix and SafeSider Systems. AB - Introduction: This study aimed to compare the incidence of dentinal crack formation by instrumentation with ProTaper Universal system (rotary, multi-file system), SafeSider (reciprocation movement, multi-file system) and Neolix (rotary, single-file system). Methods and Materials: In this in vitro study, 60 freshly extracted mandibular first molars were randomly divided into three experimental groups (n=15) and a control group containing unprepared teeth (n=15). Instrumentation in different groups was accomplished using either ProTaper, Neolix or SafeSider systems up to 25/0.08. The teeth were then sectioned at 3, 6 and 9 mm from the apex, and observed under a stereomicroscope for presence of dentinal cracks. Data were analyzed with Chi square test, Fisher's exact test and Bonferroni correction. Results: Micro cracks were seen in all experimental groups (13.3% in ProTaper, 26.7% in SafeSider and 40% in Neolix). There was a significant difference between Neolix and the control groups in microcrack formation (P=0.042). Micro cracks mainly occurred in the coronal section (9 mm). No microcrack occurred in the control group. Conclusion: Neolix rotary single-file system caused more dentinal cracks compared to the unprepared roots. All the instrumentation systems increased the number of micro cracks compared to unprepared teeth. PMID- 29225638 TI - The Probable Effect of Irrigation Solution and Time on Bond Strength to Coronal Dentin: An In Vitro Evaluation. AB - Introduction: The aim of this study was to evaluate the effect of root canal irrigants on the microtensile bond strength of 2-step self-etch adhesive to dentin. Methods and Materials: n this study 36 sound extracted human third molars were used. After grinding 3 mm of occlusal surface, teeth were randomly divided into 6 groups based on irrigation material naming normal saline, 5.25% sodium hypochlorite (NaOCl) and 2% chlorhexidine (CHX) and also irrigation time (5 or 30 min). Next, teeth were restored with Clearfil SE bond adhesive resin system and Z250 composite. The teeth were then thermo cycled by thermo cycling machine, for 500 cycles between 5o and 55oC with 60 sec dwell time and 12 sec transfer time. All samples were sectioned into bucco-lingual slabs. The sections were submitted to the micro tensile testing machine at a crosshead speed of 0.5 mm/min until fracture. Data was analyzed using the one-way ANOVA test with the level of significance set at 0.05. Results: Irrigation with normal saline, 5.25% NaOCl and 2% CHX for 5 or 30 min did not significantly change the microtensile bond strength of adhesive to dentin (P=0.729 for time and P=0.153 for material). However the maximum and minimum microtensile bond strength was attributed to normal saline (44.13 N) and NaOCl (31.29 N) groups, respectively. Conclusion: Iirrigation solution and time have no influence on microtensile bond strength of two-step self-etch adhesive to coronal dentin. PMID- 29225639 TI - The Effect of BC Sealer, AH-Plus and Dorifill on Push-out Bond Strength of Fiber Post. AB - Introduction: Dentinal canal walls are in direct contact with endodontic sealers prior to post space preparation and luting cements after post space preparation. This direct contact may affect the bond strength of intraradicular posts to root dentin. This study aimed to assess the effect of three different sealers on the bond strength of fiber posts to root dentin. Methods and Materials: The canals of 56 extracted single-rooted human premolars after selection and decoronation were prepared. For obturation of the canals, specimens were randomly divided into four groups (n=14) according to the type of sealer used in conjunction with gutta percha: group 1 (control) without any sealer; group 2 with AH-Plus sealer (resin based); group 3 with Dorifill sealer (ZOE-based); and group 4 with BC Sealer (calcium silicate-based). Nine mm-deep post space was prepared in the canal of each specimen. Intraradicular fiber posts were cemented using dual-cure resin cement (Panavia F2.0). Sections of 1 mm thickness were made at the coronal, middle and apical thirds of the post space of each specimen. The push-out bond strength of post to root dentin was measured in a universal testing machine. The data were analyzed using one-way ANOVA and post-hoc Tukey's test. Results: The mean push-out bond strength in the coronal third was significantly lower in Dorifill group compared to AH-Plus (P=0.004). This value was significantly lower in BC Sealer group than AH-Plus (P=0.000) and control group (P=0.03). In middle and apical thirds, the mean push-out bond strength was not significantly different among the four groups (P=0.407, P=0.065, respectively). The mean push out bond strength was significantly lower in apical than coronal third in AH-Plus group (P=0.001). Conclusion: Application of BC Sealer and Dorifill decreased the mean push-out bond strength of intracanal post to root dentin in the coronal third in comparison to AH-Plus. PMID- 29225640 TI - Anesthetic Efficacy of Articaine and Ketamine for Inferior Alveolar Nerve Block in Symptomatic Irreversible Pulpitis: A Prospective Randomized Double-Blind Study. AB - Introduction: The aim of this prospective, randomized, double-blind study was to investigate the effect of articaine combined with ketamine on the success rate of inferior alveolar nerve block (IANB) in posterior mandible teeth with symptomatic irreversible pulpitis. Methods and Materials: Forty two adult patients with diagnosis of symptomatic irreversible pulpitis of a mandibular posterior tooth were selected. The patients received two cartridges of either containing 3.2 mL 4% articaine with epinephrine 1:200000 and 0.4 mL 50 mg/mL ketamine hydrochloride (A-ketamine group) or 3.2 mL 4% articaine with epinephrine 1:200000 and 0.4 mL normal saline (A-saline group) using conventional IANB injections. Access cavity preparation started 15 min after injection. Lip numbness was required for all the patients. Success was considered as no or mild pain on the basis of Heft-Parker visual analog scale recordings upon access cavity preparation or initial instrumentation. Data were analyzed by independent student t, Mann-Whitney and Chi-square tests. Results: The success rates were 55% and 42.9% for A-ketamine and A-saline group, respectively, with no significant differences between the two groups (P=0.437). Conclusion: Adding 0.4 mL 50 mg/mL ketamine hydrochloride to the articaine local anesthetic did not increase the efficacy of IANB for posterior mandibular teeth with symptomatic irreversible pulpitis. PMID- 29225641 TI - Foramen Changes following Over Instrumentation of Curved Canals with Three Engine Driven Instruments: An In Vitro Study. AB - Introduction: The present in vitro study aimed to evaluate and compare the changes in shape and surface area of the major foramen following shaping of curved canals with three new generation NiTi engine-driven instruments naming ProTaper Next, BT RaCe and WaveOne Gold- with 3 different levels of protrusion beyond the major apical foramen. Methods and Materials: A total of 45 extracted human molars with at least one curved canal were distributed in 3 comparable groups of 15 that were instrumented using either ProTaper Next (PTN), BT RaCe (BTR) or WaveOne Gold (WOG). The canals were instrumented to the major foramen and then over instrumented with the final file 0.5 mm, 1 mm and 1.5 mm beyond the foramen. Standardized pre- and post-instrumentation photographs of the foramen were obtained for all groups using a stereomicroscope. Foramen shape and surface area were evaluated using the AmScope software for measurements and compared between groups and levels of instrumentation applying binary conditional logistic regression and repeated measures ANOVA. The level of significance was set at 0.05. Results: Foramen shape tended to gradually change from circular to oval as the level of instrumentation increased in all groups. The original foramen shape in WOG group remained better than other groups. Foramen surface areas increased in all groups with Group BTR demonstrating significantly greater values than the other 2 groups. Conclusion: Over instrumentation resulted in apical enlargement and ovalization in all 3 groups but with different patterns. These differences can be attributed to the final file size, design characteristics and kinematics of the 3 systems. PMID- 29225642 TI - Comparison of Apical Transportation with the Use of Rotary System and Reciprocating Handpiece with Precurved Hand Files: An In Vitro Study. AB - Introduction: Success of root canal treatment depends on several factors; among which, maintaining the original canal path during mechanical preparation is extremely important. This in vitro study aimed to compare apical transportation using RaCe NiTi rotary system and precurved stainless steel (SS) hand files in a reciprocating handpiece. Methods and Materials: Mesiobuccal canals of 40 extracted human mandibular first and second molars with 20 to 45 degrees curvatures and 3 to 7 mm curve radius were chosen for this study. After working length determination, the teeth were divided into two groups (n=20). Root canals were prepared with RaCe in group 1 and NSK handpiece and precurved SS hand files in group 2 up to #30 with 2% taper in both groups. Radiographs were taken of teeth before and after instrumentation from buccolingual and mesiodistal directions. The images were superimposed using Adobe Photoshop CS3 software. Degree of straightening and amount of apical transportation at 0, 0.5, 1, 2, 3, 4 and 5 mm levels short of the working length were determined using digital subtraction radiography. The student's t test was used to compare the degree of straightening and Mann Whitney test was applied to compare apical transportation (millimeters) between the two groups. Results: No significant difference was noted between the two groups on buccolingual or mesiodistal views in degree of straightening and apical transportation on buccolingual view (P>0.05). However, on mesiodistal view, NSK reciprocating handpiece caused greater apical transportation at 0. 0.5 and 1 mm levels (P<0.05). Conclusion: The RaCe system and precurved SS files in reciprocating handpiece were highly similar in terms of degree of straightening and apical transportation. Thus, engine-driven NSK reciprocating handpiece can be used as an efficient adjunct for root canal preparation. PMID- 29225643 TI - Cyclic Fatigue Resistance of WaveOne Gold, ProDesign R and ProDesign Logic Files in Curved Canals In Vitro. AB - Introduction: Endodontic instruments are developed to provide a better cleaning of the root canal system and reduce its risk of fracture. The aim of this study was to evaluate the instrumentation time and cyclic fatigue resistance of WaveOne Gold, ProDesign R and ProDesign Logic files. Methods and Materials: Thirty Nickel titanium (NiTi) rotary instruments were divided into 3 groups (n=10). ProDesign Logic file 25/0.06 was used in continuous rotation after glide path preparation. WaveOne Gold 25/0.07 and ProDesign R 25/0.06 files were used in reciprocating motion. Every file instrumented 3 standardized artificial canals. The average time, the number of cycles (NCI) and cyclic fatigue resistance of each file were determined through the number of cycles to failure (NCF) in a stainless-steel device. The total amount of cycles to fracture was also calculated (NCI+NCF). Data was analyzed using the Kruskal-Wallis and Mann-Whitney tests. Results: The instrumentation time of the ProDesign Logic file was significantly lower when compared to the other files (P=0.019). The longest times to failure were presented by ProDesign Logic (182.07 sec) and ProDesign R (152.38 sec) files. The same differences were observed for the NCF (910.37 and 761.93). The WaveOne Gold group presented a lower NCF as well as a smaller sum of NCI+NCF (748.33) that was statistically significant when compared to the other groups (P<0.05) respectively. Conclusion: The use of continuous rotational motion in canals with a glide path in the ProDesign Logic group led to shorter instrumentation time. The cyclic fatigue resistance of ProDesign R and Logic instruments was superior to WaveOne Gold. The thermal treatment of the instrument's alloy, its cross section and the glide path seems to influence the cyclic fatigue resistance. PMID- 29225644 TI - Physical and Chemical Properties of CEM Cement Mixed with Propylene Glycol. AB - Introduction: the aim of the present study was to evaluate the influence of propylene glycol (PG) on the flowability, microhardness, pH and calcium ion release of calcium-enriched mixture (CEM). Methods and Materials: CEM cement was mixed with different proportions of PG, as follows: group 1,100% CEM liquid (CL); group 2, 100% PG; group 3, 50% PG and group 4, 20% PG. For assessment of flowability, methodology of ADA Specification No. 57 was applied. For measuring microhardness, 80 cylindrical molds (6*4 mm) were filled with CEM cement and divided into 2 subgroups (4, 21 days) and tested using Vickers Test. Data were analyzed using the one-way ANOVA test and Tukey's post hoc and student's t test. In order to check pH and calcium release, the mixed cements were placed in cylindrical molds (5*2 mm). After 3, 24, 72 and 168 h, pH determined by a pH meter and the calcium release was measured by an atomic absorption spectrophotometer. Data were analyzed using the repeated measure ANOVA, one way ANOVA test and Tuckey's post hoc test. Results: The present study showed that the presence of PG did not affect the flowability. With the elapse of time, microhardness was significantly increased in all groups except CL group. Regardless of time, samples with 50% PG showed the lowest pH value which was significantly different from other groups (P<0.05) and samples with 100% and 20% PG showed significantly higher calcium ion release compared to other group. Conclusion: addition of PG did not have any positive or negative effect on the flowability and pH of CEM cement but increased its microhardness in long term. Calcium ion release also increased in the concentration of 20% and 100%. PMID- 29225645 TI - The Effects of Different Ionic Liquid Coatings and the Length of Alkyl Chain on Antimicrobial and Cytotoxic Properties of Silver Nanoparticles. AB - Introduction: The antibacterial efficacy and toxicity of silver nanoparticles (AgNPs) depends on their physicochemical properties including size, shape, surface charge and surface coatings. The Objectives of this study were: i) To synthesize and characterize positively charged AgNPs coated by different ionic liquids with different alkyl chain lengths, ii) To evaluate the antimicrobial activity of these nanoparticles against Enterococcus faecalis compared to sodium hypochlorite (NaOCl) and chlorhexidine (CHX), iii) To compare the cytocompatibility of these solutions against L929 mouse fibroblasts. Methods and Materials: AgNPs with positive surface charges capped by two different ionic liquids [imidazolium (Im) and pyridinium (Py)] with two alkyl chain lengths (C12 and C18) were synthesized. Im and Py were also tested as control groups. The characterization revealed synthesis of spherical NPs in the size range of 6.7 18.5 nm with a surface charge ranging from +25 to +58 mV. To standardize the comparisons, the surface charge to radius ratio of each nanoparticle was calculated. The minimum inhibitory concentrations (MIC) of the AgNP solutions, NaOCl and CHX were determined against E. faecalis by a microdilution test. An MTT based cytotoxicity assay evaluated the cytotoxicity of the solutions in different concentrations on L929 fibroblasts. One-way and two-way ANOVA were used for statistical analysis. Results: All tested AgNPs reached MIC90 in significantly lower concentrations compared to CHX and NaOCl. C12 Py-coated AgNPs had the lowest MIC90 value. CHX and NaOCl were more toxic on fibroblasts than all tested AgNPs. Im-coated AgNPs had better compatibility with fibroblasts than Py-coated particles; and C12 Im AgNPs had the best biocompatibility. Variations in alkyl chain length had no effects on the biocompatibility of AgNPs. Conclusion: Py improved the antibacterial efficacy of AgNPs compared to Im; however, it had a negative effect on cytocompatibility. Alkyl chain length had no effects on AgNPs' bioactivity. PMID- 29225646 TI - In Vitro Cytotoxicity and Setting Time Assessment of Calcium-Enriched Mixture Cement, Retro Mineral Trioxide Aggregate and Mineral Trioxide Aggregate. AB - Introduction: The present study sought to evaluate and compare biocompatibility and setting time of Retro mineral trioxide aggregate (MTA), calcium-enriched mixture (CEM) and Angelus MTA. Methods and Materials: CEM cement, Angelus MTA and Retro MTA were assessed in set and fresh states. Extracts transformed to each cavity of three 24-well plates in which 1*104 cell were seeded into each well 24 h earlier. All specimens were incubated in a humidified incubator with 5% CO2 at 37 degrees C. Mosmann's tetrazolium toxicity (MTT) assay was used to determine in vitro cytotoxicity on L929 mouse fibroblast cell line. Cell viability was determined at 1, 24, and 72 h after exposure. The initial setting time was measured by 113.4 g Gilmore needle testing. Then, final setting times were assessed by the 456.5 g Gilmore needle. Data comparisons were performed using the analysis of variance (ANOVA) and Tukey's post hoc test (alpha=0.05). Results: All groups in both forms indicated higher cell vitality compared to positive control group (P<0.001). After 24 h, the set Retro MTA showed better biocompatibility compared to set CEM and set Angelus MTA (P<0.001). Retro MTA showed significantly lower initial and final setting time compared to CEM and Angelus MTA (P<0.001). Conclusion: Our results indicated the good cell viability values of Retro MTA and relatively short period of setting time. It seems a promising alternative material in clinical situations where accelerated setting is required. However, more clinical and in vivo investigations are needed for a clear decision making. PMID- 29225647 TI - Compressive Strength of Mineral Trioxide Aggregate and Calcium-enriched Mixture Cement Mixed with Propylene Glycol. AB - Introduction: The aim of the present study was to evaluate and compare the compressive strength (CS) of mineral trioxide aggregate (MTA) and calcium enriched mixture (CEM) cement when mixed with propylene glycol (PG). Methods and Materials: Twenty four custom-made split molds with 5 holes in each were prepared. Molds were allocated into eight groups (n=15 holes) as follows: Groups 1,5: CEM and MTA mixed with PG (100%), Groups 2,6: CEM and MTA mixed with PG (20% )+CEM or MTA liquid (80%) respectively, Groups 3,7: CEM and MTA mixed with PG (50% )+CEM or MTA liquid (50% ) respectively, Groups 4,8: CEM and MTA mixed with CEM or MTA liquid respectively as control groups. All specimens were kept in 37 degrees C in an incubator and the compressive strength was evaluated after 7 days. Data were analyzed using the Kruskal Wallis and Dunne tests. The level of significance was set at 0.05. Results: In all concentration of PG, MTA samples showed better results than CEM cement. In CEM samples, adding 20% PG could significantly increase the compressive strength in comparison with control group and 100% PG (P=0.047 and P=0.011, respectively). In MTA samples, adding 100% and 50% PG significantly increased the compressive strength of the cement in comparison with control group (P=0.037 and, P=0.005, respectively). Conclusion: Considering the limitations of the present study, appropriate concentration of PG could improve the CS of MTA and CEM cement. PMID- 29225648 TI - Evaluating the Accuracy of Two Microleakage Assessment Methods for Mineral Trioxide Aggregate and Calcium-enriched Mixture Cement. AB - Introduction: Multiple methods for evaluating microleakage have been introduced over the years, but there has been no agreement as to which technique will give more accurate results. The aim of this study was to compare the accuracy and results of fluid filtration and marginal adaptation methods for mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement apical plugs. Methods and Materials: A total of 250 single-rooted human teeth were collected. The teeth were decoronated, the root canals were prepared and open apex condition was stimulated by passing #1 to 4 Peeso Reamer drills from apical foramen. Five teeth were selected as the positive and negative controls and the rest of the samples were randomly allocated to two groups of MTA and CEM cement plugs. In each group, apical plug was placed into the canal. After the apical plugs were completely set, microleakage and marginal adaptation of the samples were evaluated using fluid filtration method and scanning electron microscopy (SEM), respectively. The obtained results were analyzed by independent-samples t test. Results: Gap between plug and dentin walls and air bubbles displacement was higher in MTA group compared to the CEM cement group, though this difference between MTA group and CEM cement group was not statistically significant. Conclusion: According to the obtained results, it seems that there is a direct relationship between the two methods of microleakage assessment. PMID- 29225649 TI - Incidence of Dentinal Defects and Vertical Root Fractures after Endodontic Retreatment and Mechanical Cycling. AB - Introduction: The aim of this study was to evaluate the incidence of dentinal defects and vertical root fractures (VRFs) after endodontic retreatment and mechanical cycling (MC). Methods and Materials: Two hundred mandibular premolars were selected. Forty teeth were left unprepared (control group). The remaining 160 root canals were prepared with ProTaper instruments and filled by using two different techniques [eighty with lateral compaction (LC) and eighty with single cone (SC)]. Forty canals from each group (LC and SC) received no further treatment. The remaining eighty teeth were divided into two groups (LCR and SCR) (n=40) in order to undergo the removal of the root filling, re-preparation and refilling with lateral compaction and single-cone, respectively. All of the teeth were subjected to MC (1000000 cycles, 130 N, 2.2 Hz and 37 degrees C). The roots were sectioned at 3, 6 and 9 mm from the apex and observed under 20* magnification. The defects were classified as: no defect, VRF and other defects. Statistical analysis was performed using the Fisher's Exact test and the Chi Squared tests (alpha=0.05). Results: MC alone did not promote any other defects or VRFs. Experimental groups presented higher dentinal defects than the control group (P=0.021). Retreatment groups did not present a higher amount of dentinal defects than the groups that were subjected to the first treatment (P>0.05). Conclusion: Endodontic treatment and retreatment, regardless of the filling technique and MC, did not influence the occurrence of dentinal defects or VRFs in the human premolars. PMID- 29225650 TI - Maintenance of Pulp after Horizontal Root Fractures in Three Maxillary Incisors: A Thirteen-Year Evaluation. AB - This case report documents the clinical approach adopted for three upper incisors with horizontal root fracture in the middle or cervical third. The proposed procedures involved maintaining pulp vitality and periodontal stability of the fractured teeth with 13 years of follow-up. PMID- 29225651 TI - Multidisciplinary Treatment of a Double First Mandibular Premolar. AB - Gemination aka twinning and fusion, are rare occurrences in posterior mandibular teeth, often requiring endodontic and surgical treatment for functional, orthodontic or cosmetic reasons. The diagnosis and design of a precise treatment plan in cases involving double teeth are in most cases challenging. The purpose of this case report is to describe a successful multidisciplinary treatment protocol for a double tooth. Upon completion of the endodontic, restorative and orthodontic treatments, the clinical and radiographic three-year follow-up revealed that the rest of the transected premolar showed evidence of healing of the supporting tissues and satisfactory cosmetic result. PMID- 29225652 TI - Repair of Iatrogenic Furcal Perforation with Mineral Trioxide Aggregate: A Seven Year Follow-up. AB - Teeth with furcal perforation present difficult resolution and dubious prognosis. Several materials have been proposed and calcium silicate-based cements such as mineral trioxide aggregate (MTA) are the most recommended. However, its long-term clinical behavior still remains poorly understood. The present study reports a clinical case of furcal perforation repair using Angelus MTA, with a 7-year follow-up. Patient sought treatment 2 months after iatrogenic accident. First lower right molar presented clinical signs such as fistula and bone loss between mesial and distal roots. Firstly, all root canals were treated and then furcal perforation was sealed with MTA Angelus and the dental crown was restored with composite resin. Radiographic evaluation was immediately performed to analyze the furcal perforation filling. After 7 years, a new clinical and imaging evaluation using periapical radiography and cone-beam computed tomography (CBCT) showed absence of clinical signs and symptoms, and alveolar bone reconstitution with periodontal space reduction. Angelus MTA presented good clinical behavior in the iatrogenic furcal perforation resolution based on long-term clinical evidence. PMID- 29225653 TI - Nonsurgical Management of an Immature Maxillary Central Incisor with Type III Dens Invaginatus Using MTA Plug: A Case Report. AB - Dens invaginatus is a developmental anomaly, caused by deepening of the enamel organ into the dental papilla before calcification of the dental tissues. Teeth with dens invagination are susceptible to early caries and pulp necrosis within a few years of eruption or even before root end closure. This article reports two immature maxillary central incisors with type I and III dens invaginatus which had necrotic pulp and a large periradicular lesion, that were treated successfully by nonsurgical root canal treatment. After apical plug placement, the remaining space was backfilled using warm vertical gutta-percha technique and the crowns were restored by composite restoration. At 6 months of follow up the patient was asymptomatic and probing depths were less than 3 mm. In addition, the reduction in the size of apical radiolucencies was observed by radiographic examinations. This case report revealed that even type III des invaginatus with an open apex and large periapical lesion, can be treated non-surgically using MTA as an apical plug. Although this case report presents a favorable result, further studies with long term follow-up periods are encouraged to support the use of nonsurgical endodontic treatment for type III dens invaginatus. PMID- 29225654 TI - Clinical Approach to Pulp Canal Obliteration: A Case Series. AB - This article describes four cases with safe and feasible clinical treatment strategies for anterior teeth with pulp canal obliteration (PCO) using cone-beam computed tomography (CBCT), digital radiography (DR), dental operating microscopy (DOM) and ultrasonic tips (US). Four anterior teeth with PCO were chosen. DR was taken with different angulations and analyzed with different filters. Subsequently, the access cavity was performed with the aid of DOM. If the canal was not identified, CBCT was requested. Sagittal and axial slices guided the direction of the ultrasonic tips. After identification of the canal, it was then negotiated and instrumented with the rotary instruments. All four canals were successfully identified, with no complications. In case 1, the canal was identified using DR, DOM and US tips. In cases 2, 3 and 4, the canals were identified with DR, DOM, US tips and CBCT. Complete root canal obliteration identified in radiography did not necessarily mean that pulp tissue was not visible clinically, either. The clinical evaluation of the access cavity with the aid of MO was crucial. If the canal was not identified, CBCT was mandatory in order to show more detailed view of the precise position of the canals, their directions, degrees of obstruction and dimensions. It served as a guide for the direction of the ultrasonic tips to keep them within the pulp chamber safely, with a low risk of iatrogenic injury. PMID- 29225655 TI - Non-Surgical Endodontic Management of Type II Dens Invaginatus with Closed and Open Apex. AB - Dens invaginatus (DI) is a developmental anomaly that poses a significant challenge to the clinician if endodontic treatment is required. The type II (as per Oehlers) form exhibits complex internal anatomy and is frequently associated with incomplete root and apex formation. The purpose of this study is to present two cases of type II DI in the maxillary lateral incisors. In the first case, non surgical endodontic therapy was performed utilizing calcium hydroxide as an intracanal dressing, showing significant periapical healing of the apical radiolucent area at the six month follow-up. In the second case, the development of the root and apex were affected by pulp necrosis, and the revascularization procedure was performed. Complete resolution of the pre-existing apical radiolucency, apical closure, thickening of the root canal walls, and increase in root length, after 32 months was observed. Early detection of teeth with DI type II and proper exploration of their internal anatomy are key factors for their successful management. As demonstrated in this report, conservative non-surgical endodontic treatment should be the first line of treatment for these cases. The use of revascularization protocols in teeth that develop pulp necrosis and exhibit early stage of root development could be a better alternative than traditional apexification techniques. PMID- 29225656 TI - Letter to the Editor. PMID- 29225657 TI - Satisfaction and quality of life of allergic patients following sublingual five grass pollen tablet immunotherapy in Spain. AB - Background: Five-grass pollen tablet is an effective and well-tolerated therapy for patients with allergic rhinoconjunctivitis (ARC). This trial sought to determine the satisfaction and health-related quality of life (HRQoL) of patients undergoing this treatment. Methods: This was a cross-sectional, multicentre, observational, naturalistic study, following a discontinuous pre- and co-seasonal five-grass pollen regimen over two seasons in Spain (2012, 2013). The HRQoL of the patients was measured with the specific Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ) for adults, adolescent (AdolRQLQ), or paediatric (PRQLQ) patients. Treatment satisfaction was assessed by the Satisfaction Scale for Patients Receiving Allergen Immunotherapy (ESPIA) questionnaire. Patients/investigators were surveyed on beliefs and attitudes towards the five grass pollen tablet. ARC evolution according to allergic rhinitis and its impact on asthma (ARIA) criteria and treatment adherence were evaluated. Results: Among the 591 ARC patients included, the mean (SD) HRQoL scores were 1.40 (1.1) in adults, 1.33 (1.1) in adolescents, and 1.15 (1.1) in children, indicating low levels of impairment (scale 0-6). ESPIA answers showed high levels of satisfaction, with an average score of 69.2 (scale 0-100). According to ARIA criteria, 88.2% of patients reported improvement of ARC. Moreover, this was accompanied by a reduced use of symptomatic medication. Adherence to treatment was estimated at 96.8%. In general, both patients and specialists exhibited a positive attitude towards five-grass pollen tablet treatment. Conclusion: ARC patients treated with five-grass pollen tablet showed favourable levels of HRQoL and treatment satisfaction, with concomitant improvements in ARC and symptomatic medication use, which translated into high levels of treatment adherence and a positive attitude towards five-grass pollen tablet. PMID- 29225658 TI - Intraspecific eye color variability in birds and mammals: a recent evolutionary event exclusive to humans and domestic animals. AB - Background: Human populations and breeds of domestic animals are composed of individuals with a multiplicity of eye (= iris) colorations. Some wild birds and mammals may have intraspecific eye color variability, but this variation seems to be due to the developmental stage of the individual, its breeding status, and/or sexual dimorphism. In other words, eye colour tends to be a species-specific trait in wild animals, and the exceptions are species in which individuals of the same age group or gender all develop the same eye colour. Domestic animals, by definition, include bird and mammal species artificially selected by humans in the last few thousand years. Humans themselves may have acquired a diverse palette of eye colors, likewise in recent evolutionary time, in the Mesolithic or in the Upper Paleolithic. Presentation of the hypothesis: We posit two previously unrecognized hypotheses regarding eye color variation: 1) eye coloration in wild animals of every species tends to be a fixed trait. 2) Humans and domestic animal populations, on the contrary, have eyes of multiple colors. Sexual selection has been invoked for eye color variation in humans, but this selection mode does not easily apply in domestic animals, where matings are controlled by the human breeder. Testing the hypothesis: Eye coloration is polygenic in humans. We wish to investigate the genetics of eye color in other animals, as well as the ecological correlates. Implications of the hypothesis: Investigating the origin and function of eye colors will shed light on the reason why some species may have either light-colored irises (e.g., white, yellow or light blue) or dark ones (dark red, brown or black). The causes behind the vast array of eye colors across taxa have never been thoroughly investigated, but it may well be that all Darwinian selection processes are at work: sexual selection in humans, artificial selection for domestic animals, and natural selection (mainly) for wild animals. PMID- 29225660 TI - BRAVE NEW WORLD OF BIOSOCIAL SCIENCE. PMID- 29225659 TI - Speed dependent phase shifts and gait changes in cockroaches running on substrates of different slipperiness. AB - Background: Many legged animals change gaits when increasing speed. In insects, only one gait change has been documented so far, from slow walking to fast running, which is characterised by an alternating tripod. Studies on some fast running insects suggested a further gait change at higher running speeds. Apart from speed, insect gaits and leg co-ordination have been shown to be influenced by substrate properties, but the detailed effects of speed and substrate on gait changes are still unclear. Here we investigate high-speed locomotion and gait changes of the cockroach Nauphoeta cinerea, on two substrates of different slipperiness. Results: Analyses of leg co-ordination and body oscillations for straight and steady escape runs revealed that at high speeds, blaberid cockroaches changed from an alternating tripod to a rather metachronal gait, which to our knowledge, has not been described before for terrestrial arthropods. Despite low duty factors, this new gait is characterised by low vertical amplitudes of the centre of mass (COM), low vertical accelerations and presumably reduced total vertical peak forces. However, lateral amplitudes and accelerations were higher in the faster gait with reduced leg synchronisation than in the tripod gait with distinct leg synchronisation. Conclusions: Temporally distributed leg force application as resulting from metachronal leg coordination at high running speeds may be particularly useful in animals with limited capabilities for elastic energy storage within the legs, as energy efficiency can be increased without the need for elasticity in the legs. It may also facilitate locomotion on slippery surfaces, which usually reduce leg force transmission to the ground. Moreover, increased temporal overlap of the stance phases of the legs likely improves locomotion control, which might result in a higher dynamic stability. PMID- 29225661 TI - Maternal nutritional status during pregnancy and infant immune response to routine childhood vaccinations. AB - To systematically review the association between maternal nutritional status in pregnancy and infant immune response to childhood vaccines. We reviewed literature on maternal nutrition during pregnancy, fetal immune system and vaccines and possible relationships. Thereafter, we undertook a systematic review of the literature of maternal nutritional status and infant vaccine response, extracted relevant information, assessed quality of the nine papers identified and present findings in a narrative format. From limited evidence of average quality, intrauterine nutrition deficiency could lead to functional deficit in the infant's immune function; child vaccine response may thus be negatively affected by maternal malnutrition. Response to childhood vaccination may be associated with fetal and early life environment; evaluation of programs should take this into account. PMID- 29225662 TI - Increased accuracy of starch granule type quantification using mixture distributions. AB - Background: The proportion of granule types in wheat starch is an important characteristic that can affect its functionality. It is widely accepted that granule types are either large, disc-shaped A-type granules or small, spherical B type granules. Additionally, there are some reports of the tiny C-type granules. The differences between these granule types are due to its carbohydrate composition and crystallinity which is highly, but not perfectly, correlated with the granule size. A majority of the studies that have considered granule types analyse them based on a size threshold rather than chemical composition. This is understandable due to the expense of separating starch into different types. While the use of a size threshold to classify granule type is a low-cost measure, this results in misclassification. We present an alternative, statistical method to quantify the proportion of granule types by a fit of the mixture distribution, along with an R package, a web based app and a video tutorial for how to use the web app to enable its straightforward application. Results: Our results show that the reliability of the genotypic effects increase approximately 60% using the proportions of the A-type and B-type granule estimated by the mixture distribution over the standard size-threshold measure. Although there was a marginal drop in reliability for C-type granules. The latter is likely due to the low observed genetic variance for C-type granules. Conclusions: The determination of the proportion of granule types from size-distribution is better achieved by using the mixing probabilities from the fit of the mixture distribution rather than using a size-threshold. PMID- 29225663 TI - High-throughput detection of antioxidants in mulberry fruit using correlations between high-resolution mass and activity profiles of chromatographic fractions. AB - Background: Plant extracts contain a huge variety of pharmacologically active substances. Conventionally, various chromatographic methods must be applied several times to purify functional compounds to measure their functional activity. However, conventional purification methods are time-consuming and expensive due to the laborious purification process. Recently, a high-throughput discovery method that replaces such time-consuming purification processes was introduced; this method uses 15 T ultra-high-resolution Fourier transform ion cyclotron resonance mass spectrometry (15 T FT-ICR MS) and a high-throughput screening method. This 15 T FT-ICR MS provides unparalleled resolution and sub ppm accuracy in mass measurements, while simultaneously detecting multiple compounds without separation. The high-throughput, simultaneous multi-component discovery method known as Scaling of Correlations between Activity and Mass Profiles (SCAMP) was used to detect functional compounds in a plant extract. We validated the performance of SCAMP using 33 fractions from antioxidant-rich mulberry ethyl acetate extract and known standard antioxidants. Results: The mulberry fruit was first separated into 33 fractions by LC and analyzed using high-resolution mass spectrometry. The antioxidative strength of the 33 fractions and standard antioxidants was measured. To validate the efficiency of this antioxidant discovery method, correlations between the antioxidation activity profile and changes in mass intensity of components within the 33 fractions were calculated to provide relative scores for the antioxidant candidate list. Enrichment curves and area under the curve (AUC) values were then calculated to compare the performance of the methods. Using this improved scoring method, five strong antioxidants, chlorogenic acid (14.2 ng), dihydoxy quercetin (46.2 ng), rutin (154.0 ng), quercetin (71.7 ng) and luteolin (3.5 ng) in 2 kg mulberry fruit, were found within the top 20 candidates. Conclusions: We calculated AUCs in order to compare scoring methods quantitatively. Scoring systems were compared and calculated AUCs, where the AUCs for new scoring systems (0.98 and 0.99) were higher than the previously used correlation coefficient (AUC = 0.89). Using the new scoring algorithms, we successfully enriched thirteen unknown strong antioxidant candidates in addition to known antioxidants, methyl syringin and naringenin (3.5 ng) in mulberry extract. Targeted purification of these unknown candidates will significantly reduce purification time and labor. PMID- 29225664 TI - Load balancing for multi-threaded PDES of stochastic reaction-diffusion in neurons. AB - Stochastic simulation of chemical reactions and diffusion in a neuron helps to provide a realistic view of the molecular dynamics within a neuron. We developed a multi-threaded PDES simulator, Neuron Time Warp-Multi Thread, suitable for the stochastic simulation of reaction and diffusion in a neuron. In this paper we make use of Q-Learning and Simulated Annealing to determine the parameters for a dynamic load balancing algorithm and for dynamic window control. During the simulation, the runtime statistics of each thread are collected and used to determine the execution time of the simulation. Based upon this assessment, workload is migrated from the most overloaded threads to the most under-load ones. As the results for a calcium wave model show, both approaches can improve the execution time for small simulations by up to 31% (Q-Learning) and 19% (SA). The simulated annealing approach is more suitable for larger populations, decreasing execution time by 41%. PMID- 29225666 TI - CMOS Active Pixel Sensors as energy-range detectors for proton Computed Tomography. AB - Since the first proof of concept in the early 70s, a number of technologies has been proposed to perform proton CT (pCT), as a means of mapping tissue stopping power for accurate treatment planning in proton therapy. Previous prototypes of energy-range detectors for pCT have been mainly based on the use of scintillator based calorimeters, to measure proton residual energy after passing through the patient. However, such an approach is limited by the need for only a single proton passing through the energy-range detector in a read-out cycle. A novel approach to this problem could be the use of pixelated detectors, where the independent read-out of each pixel allows to measure simultaneously the residual energy of a number of protons in the same read-out cycle, facilitating a faster and more efficient pCT scan. This paper investigates the suitability of CMOS Active Pixel Sensors (APSs) to track individual protons as they go through a number of CMOS layers, forming an energy-range telescope. Measurements performed at the iThemba Laboratories will be presented and analysed in terms of correlation, to confirm capability of proton tracking for CMOS APSs. PMID- 29225667 TI - Interactive K-Means Clustering Method Based on User Behavior for Different Analysis Target in Medicine. AB - Clustering algorithm as a basis of data analysis is widely used in analysis systems. However, as for the high dimensions of the data, the clustering algorithm may overlook the business relation between these dimensions especially in the medical fields. As a result, usually the clustering result may not meet the business goals of the users. Then, in the clustering process, if it can combine the knowledge of the users, that is, the doctor's knowledge or the analysis intent, the clustering result can be more satisfied. In this paper, we propose an interactive K-means clustering method to improve the user's satisfactions towards the result. The core of this method is to get the user's feedback of the clustering result, to optimize the clustering result. Then, a particle swarm optimization algorithm is used in the method to optimize the parameters, especially the weight settings in the clustering algorithm to make it reflect the user's business preference as possible. After that, based on the parameter optimization and adjustment, the clustering result can be closer to the user's requirement. Finally, we take an example in the breast cancer, to testify our method. The experiments show the better performance of our algorithm. PMID- 29225668 TI - Advanced Image Enhancement Method for Distant Vessels and Structures in Capsule Endoscopy. AB - This paper proposes an advanced method for contrast enhancement of capsule endoscopic images, with the main objective to obtain sufficient information about the vessels and structures in more distant (or darker) parts of capsule endoscopic images. The proposed method (PM) combines two algorithms for the enhancement of darker and brighter areas of capsule endoscopic images, respectively. The half-unit weighted-bilinear algorithm (HWB) proposed in our previous work is used to enhance darker areas according to the darker map content of its HSV's component V. Enhancement of brighter areas is achieved thanks to the novel threshold weighted-bilinear algorithm (TWB) developed to avoid overexposure and enlargement of specular highlight spots while preserving the hue, in such areas. The TWB performs enhancement operations following a gradual increment of the brightness of the brighter map content of its HSV's component V. In other words, the TWB decreases its averaged weights as the intensity content of the component V increases. Extensive experimental demonstrations were conducted, and, based on evaluation of the reference and PM enhanced images, a gastroenterologist (O.H.) concluded that the PM enhanced images were the best ones based on the information about the vessels, contrast in the images, and the view or visibility of the structures in more distant parts of the capsule endoscopy images. PMID- 29225665 TI - Evolution and Clinical Translation of Drug Delivery Nanomaterials. AB - With the advent of technology, the role of nanomaterials in medicine has grown exponentially in the last few decades. The main advantage of such materials has been exploited in drug delivery applications, due to their effective targeting that in turn reduces systemic toxicity compared to the conventional routes of drug administration. Even though these materials offer broad flexibility based on targeting tissue, disease, and drug payload, the demand for more effective yet highly biocompatible nanomaterial-based drugs is increasing. While therapeutically improved and safe materials have been introduced in nanomedicine platforms, issues related to their degradation rates and bio-distribution still exist, thus making their successful translation for human use very challenging. Researchers are constantly improving upon novel nanomaterials that are safer and more effective not only as therapeutic agents but as diagnostic tools as well, making the research in the field of nanomedicine ever more fascinating. In this review stress has been made on the evolution of nanomaterials that have been approved for clinical applications by the United States Food and Drug Administration Agency (FDA). PMID- 29225669 TI - Self-Regulation Principles Underlying Risk Perception and Decision Making within the Context of Genomic Testing. AB - Advances in theory and research on self-regulation and decision-making processes have yielded important insights into how cognitive, emotional, and social processes shape risk perceptions and risk-related decisions. We examine how self regulation theory can be applied to inform our understanding of decision-making processes within the context of genomic testing, a clinical arena in which individuals face complex risk information and potentially life-altering decisions. After presenting key principles of self-regulation, we present a genomic testing case example to illustrate how principles related to risk representations, approach and avoidance motivations, emotion regulation, defensive responses, temporal construals, and capacities such as numeric abilities can shape decisions and psychological responses during the genomic testing process. We conclude with implications for using self-regulation theory to advance science within genomic testing and opportunities for how this research can inform further developments in self-regulation theory. PMID- 29225670 TI - Weighed down by stigma: How weight-based social identity threat contributes to weight gain and poor health. AB - Weight stigma is pervasive, and a number of scholars argue that this profound stigma contributes to the negative effects of weight on psychological and physical health. Some lay individuals and health professionals assume that stigmatizing weight can actually motivate healthier behaviors and promote weight loss. However, as we review, weight stigma is consistently associated with poorer mental and physical health outcomes. In this article we propose a social identity threat model elucidating how weight stigma contributes to weight gain and poorer mental and physical health among overweight individuals. We propose that weight based social identity threat increases physiological stress, undermines self regulation, compromises psychological health, and increases the motivation to avoid stigmatizing domains (e.g., the gym) and escape the stigma by engaging in unhealthy weight loss behaviors. Given the prevalence of overweight and obesity in the US, weight stigma thus has the potential to undermine the health and wellbeing of millions of Americans. PMID- 29225672 TI - The corridor consult. PMID- 29225671 TI - Tourette syndrome and other neurodevelopmental disorders: a comprehensive review. AB - Gilles de la Tourette syndrome (TS) is a complex developmental neuropsychiatric condition in which motor manifestations are often accompanied by comorbid conditions that impact the patient's quality of life. In the DSM-5, TS belongs to the "neurodevelopmental disorders" group, together with other neurodevelopmental conditions, frequently co-occurring. In this study, we searched the PubMed database using a combination of keywords associating TS and all neurodevelopmental diagnoses. From 1009 original reports, we identified 36 studies addressing TS and neurodevelopmental comorbidities. The available evidence suggests the following: (1) neurodevelopmental comorbidities in TS are the rule, rather than the exception; (2) attention deficit/hyperactivity disorder (ADHD) is the most frequent; (3) there is a continuum from a simple (TS + ADHD or/and learning disorder) to a more complex phenotype (TS + autism spectrum disorder). We conclude that a prompt diagnosis and a detailed description of TS comorbidities are necessary not only to understand the aetiological basis of neurodevelopmental disorders but also to address specific rehabilitative and therapeutic approaches. PMID- 29225673 TI - Update on hepatitis C and implications for pregnancy. AB - Mother-to-child transmission of hepatitis C virus infection occurs in a significant minority of cases and the diagnosis, treatment and cure of hepatitis C virus infection with direct acting antivirals prior to pregnancy can eliminate this risk in almost all cases. Women with hepatitis C virus infection have increased risks of adverse events in pregnancy and poor perinatal outcomes for their children, although the contribution of hepatitis C virus per se is difficult to determine. Altering the mode of delivery does not reduce mother to child transmission of hepatitis C virus infection, although avoidance of fetal scalp electrodes and other potential high risk procedures is recommended during pregnancy and delivery. Breast feeding has not been demonstrated to be a risk for mother-to-child transmission and avoidance of breast feeding is not recommended, although breast feeding with cracked or bleeding nipples is generally avoided. Safety of the currently available hepatitis C virus antivirals in pregnancy and breastfeeding has not yet been established. PMID- 29225674 TI - A review of the structure and training pathways for obstetric medicine physicians in Australia and New Zealand. AB - In recent decades, women with significant medical conditions have increasingly chosen to become pregnant. This has broadened and intensified the interface between obstetrics and internal medicine, a collaboration which has always needed cooperation but which increasingly demands open discussion and planning to ensure optimal outcomes for mother and fetus. The aims of this article are to describe the state of obstetric medicine practice in Australia and New Zealand, including its history and development, the training and education curriculum, organisation of its service delivery, and potential opportunities for research and collaboration. PMID- 29225675 TI - Pregnancy and myeloproliferative neoplasms : A retrospective monocentric cohort. AB - Background: The most frequent myeloproliferative neoplasms are essential thrombocythemia and chronic myelogenous leukemia, which usually manifests with thrombocytosis. Only essential thrombocythemia is associated with morbidity during pregnancy (recurrent miscarriages, intrauterine fetal death, small for gestational age and preeclampsia). The aim of this paper is to describe outcomes of pregnancy in women with myeloproliferative neoplasms seen at a single academic institution. Methods: Data were collected retrospectively from 2002 to 2015. Descriptive analyses were performed. Results: Eighteen pregnancies in 13 patients and 17 births were identified. One patient had recurrent miscarriages. There were two intrauterine fetal deaths, three small for gestational age linked to vascular placenta pathology and one preeclampsia. All of these mothers harbored JAK2V617F mutation. Two out of three patients with small for gestational age developed a venous thrombosis in the two years following delivery. Conclusion: Thrombocytosis associated with myeloproliferative neoplasms should be considered as a risk factor for maternal and fetal complications. PMID- 29225676 TI - Association between insulin resistance and preeclampsia in obese non-diabetic women receiving metformin. AB - Objectives: To examine whether the reduced incidence of preeclampsia in non diabetic obese pregnant women treated with metformin is mediated by changes in insulin resistance. Methods: This was a secondary analysis of obese pregnant women in a randomised trial (MOP trial). Fasting plasma glucose and insulin were measured in 384 of the 400 women who participated in the MOP trial. Homeostasis model assessment of insulin resistance (HOMA-IR) was compared in the metformin and placebo groups and in those that developed preeclampsia versus those that did not develop preeclampsia. Results: At 28 weeks, median HOMA-IR was significantly lower in the metformin group. Logistic regression analysis demonstrated that there was a significant contribution in the prediction of preeclampsia from maternal history of chronic hypertension and gestational weight gain, but not HOMA-IR either at randomisation (p = 0.514) or at 28 weeks (p = 0.643). Conclusions: Reduced incidence of preeclampsia in non-diabetic obese pregnant women treated with metformin is unlikely to be due to changes in insulin resistance. PMID- 29225677 TI - Maternal sepsis: Opportunity for improvement. PMID- 29225678 TI - Pregnancy in women with Klippel-Trenaunay syndrome: Report of three pregnancies in a single patient and review of literature. AB - Klippel-Trenaunay syndrome is characterised by vascular abnormality which increases the risk of thromboembolism and haemorrhage. Physiological changes in pregnancy pose an increased risk to these complications. Being an uncommon disorder, there is limited literature about the management of women with pregnancy and Klippel-Trenaunay syndrome. We report in detail two of three pregnancies in a woman with Klippel-Trenaunay syndrome who had repeated episodes of haematochezia leading to anaemia, managed with Argon laser Photo-Coagulation in pregnancy and also reviewed the complications and the management of pregnant women with Klippel-Trenaunay syndrome. PMID- 29225679 TI - Relapsed Hodgkin's lymphoma in pregnancy: A case review. AB - Hodgkin's lymphoma is rarely diagnosed in pregnancy, occurring in 1:6000 deliveries. However, improvements in survival and the use of less gonadotoxic treatments have increased the number of Hodgkin's lymphoma survivors becoming pregnant. Both de novo and relapsed Hodgkin's lymphoma in pregnancy pose difficult decisions for both clinicians and patients. This review discusses important diagnostic and treatment considerations of relapsed Hodgkin's lymphoma in pregnancy. We discuss a difficult case which illustrates these particular dilemmas and suggests the evidence behind different modalities of investigation and management. PMID- 29225680 TI - Presumed acute fatty liver of pregnancy following influenza A hepatitis. AB - Acute fatty liver of pregnancy is a rare mitochondrial hepatopathy characterised by microvesicular fatty infiltration, and is believed to be due to impaired fatty acid oxidation. Hepatitis following influenza virus infection is uncommon. Rarely influenza virus infection may be complicated by Reye's syndrome, another hepatic microvesicular fat disease. A case of influenza A hepatitis in third trimester of pregnancy, followed by the evelopment of presumed acute fatty liver of pregnancy is described in this report and a potential mechanism why this may have occurred is discussed. PMID- 29225681 TI - Successful pregnancy in the context of previously undiagnosed chronic lymphocytic leukaemia: A case report and literature review. AB - An asymptomatic 36-year-old woman presented with significantly elevated white blood cells (165.9 * 109/L) at antenatal booking, in her first pregnancy. Further investigations revealed the diagnosis of chronic lymphocytic leukaemia with monoallelic deletion of chromosome 13q14. She was supported and monitored through out pregnancy, without treatment, and delivered a healthy baby boy at term with no complications and is currently being followed up by the haem-oncology team. PMID- 29225682 TI - Frontal lobe meningioma mimicking preeclampsia: A case study. AB - We report a case of a left frontal lobe meningioma presenting in a woman with proteinuric preeclampsia in her first term pregnancy. The patient had a background of antepartum migraines that resolved in the second trimester of pregnancy. Postpartum, she required urgent surgery and sustained convulsions after surgery. She had no residual disease and has had another successful pregnancy. This case highlights the importance of cerebral imaging in the context of an atypical clinical course of preeclampsia. Although headaches are common in pregnancy and usually benign, other, more serious, diagnoses should be considered with atypical headaches, a change in the nature of the headache, and headaches that persist despite appropriate treatment. A full neurological examination including fundoscopy to exclude papilloedema should be performed and abnormal findings require further investigation. PMID- 29225683 TI - Concurrent maternal and fetal tachyarrhythmia in pregnancy. AB - The occurrence of a maternal and fetal tachyarrhythmia together in pregnancy is exceedingly rare. We report a case of a persistent fetal atrial ectopic tachycardia occurring in conjunction with a maternal atrial tachycardia with left ventricular systolic dysfunction. Amiodarone was effective in treating both maternal and fetal arrhythmias. PMID- 29225684 TI - Colon cancer presenting as pseudo-obstruction during pregnancy - A case report. AB - The incidence of colorectal cancer in pregnancy is between 0.002 and 0.008%. Diagnosis is often delayed as symptoms of colorectal cancer can mimic as common complaints of pregnancy. We present the case of a 29-year-old with a history of chronic constipation who presented in the second trimester with abdominal pain, inability to tolerate anything orally and no bowel movement in more than three weeks. Non-contrast MRI at presentation failed to show an obstructing mass. Patient was treated conservatively for presumed pseudo-obstruction secondary to worsening constipation from chronic ondansetron use and pregnancy. After four days without clinical improvement, she had a colonoscopy that revealed a completely obstructing sigmoid mass, which biopsies confirmed was a primary colorectal adenocarcinoma. The patient underwent a total abdominal colectomy. She was referred to medical oncology and began adjuvant chemotherapy consisting of 5 fluorouracil, leucovorin and oxaloplatin four weeks post-operatively. PMID- 29225685 TI - Retromammary fat, axillary and arm metastases from a retroperitoneal leiomyosarcoma: report of a case with an indolent behaviour. AB - Leiomyosarcomas are sarcomas that originate within smooth muscle cells and generally occur in older patients. These tumours account for 10% of all soft tissue sarcomas. Metastases occur most commonly to the lungs, kidneys, and liver. Cutaneous metastases may also occur but are usually a very rare and late event. We present a case of a 46-year-old woman who developed subcutaneous metastasis to the axilla, arm and breast after surgical resection of the primary tumour. The patient maintained controlled disease with surgical resections and clinical follow-up, initiating chemotherapy one year after the diagnosis of metastatic disease. PMID- 29225686 TI - Prognostic value of a patient-reported functional score versus physician-reported Karnofsky Performance Status Score in brain metastases. AB - Introduction: Our aim was to investigate the added prognostic value of a patient reported functional outcome score over Karnofsky Performance Status (KPS) in patients with non-small-cell lung cancers (NSCLC) with brain metastases. Materials and methods: The baseline data are from a prospective cohort study involving 140 consecutive patients presenting at our institute. A patient reported performance status (PRPS) was obtained by summing the physical- and role functioning scale scores of the EORTC QLQ C30 questionnaire. Nested cox proportional hazards models predicting survival were developed including both KPS and PRPS (full model), KPS only (KPS Model), and PRPS only (PRPS model). The incremental value of the addition of KPS or PRPS was ascertained using the likelihood ratio test, model adequacy index and integrated discrimination Improvement (IDI). Results: PRPS was an independent and statistically significant prognostic factor and had only a moderate degree of agreement with KPS. All models showed nearly the same discrimination and calibration accuracy, but the likelihood ratio test comparing the full model to the KPS model was significant (L.R. Chi2 = 5.34, p = 0.02). Model adequacy index for the KPS model was 85% versus 95% for the PRPS model. IDI when comparing the KPS model to the full model was 0.0279, while it was 0.008 for the PRPS model versus the Full model. Conclusions: Use of patient-reported functional outcomes like PRPS can provide the same prognostic information as KPS in patients of NSCLC with brain metastases. Highlights: Patient-reported functional status (PRPS) has a moderate degree of agreement with KPS.PRPS is an independent and significant predictor of survival in brain metastases.PRPS can replace KPS without loss of prognostic information. PMID- 29225687 TI - A different surgical approach for cardiophrenic lymph node resection in advanced ovarian cancer. AB - Objective: To describe the surgical technique of a subxiphoid approach to remove cardiophrenic lymph nodes in women with advanced ovarian cancer. Materials and methods: The first step is to dissect and separate the anterior insertions of the diaphragm at the xiphoid appendix. Thus, the parietal peritoneum and the upper fibres of the transversus abdominis muscle are incised. Then, the anteroinferior mediastinum is identified and dissected. Diaphragmatic deinsertion may be extended 5-7 cm laterally to the xiphoid appendix following the inferior costal margin according with the localization of the enlarged lymph nodes. Thus, the dissection of the anterolateral cardiophrenic space allows the identification of both pleura. In addition, the vertical dissection of the anterior cardiophrenic space allows the removal of enlarged lymph nodes. However, it is important to bear in mind at this time that the unintentional opening of the pleura is possible. To reduce this risk, a careful dissection of the anterior cardiophrenic fat tissue is essential. Moreover, a careful dissection will avoid damage at the left phrenic nerve as well as the left pericardiophrenic artery and vein. After removing the cardiophrenic fat tissue, the diaphragm is sutured at the lower costal margin by using separated stiches of absorbable 2-0 suture. Conclusion: The subxiphoid approach to resect cardiophrenic lymph nodes is a feasible surgical technique. In addition, it reduces the possibility of opening the pleural cavity, while avoiding a diaphragmatic incision, in comparison with the standard trans-diaphragmatic surgical approach. PMID- 29225690 TI - Do we need regional guidelines for breast cancer management in the MENA region? MENA Breast Cancer Guidelines project. AB - Purpose: Breast cancer is the most common cancer among females worldwide in general and in the Middle East and the North African region (MENA region) in particular. Management of breast cancer in the MENA region faces a lot of challenges, which include younger age at presentation, aggressive behaviour, lack of national breast screening programmes and lack of reliable data registries as well as socioeconomic factors. These factors make applying the international guidelines for breast cancer management very challenging. The aim of this project is to explore the need for a regional breast cancer guideline as well as to screen the clinical practice of breast cancer management in the MENA region. Methodology: Three web-based designed surveys were sent to more than 600 oncologists in the MENA region from the period of August 2013 to October 2014. Full descriptive data and information regarding the application of international breast cancer guidelines were collected. The software was using the IP address to prevent duplication of collected data. Descriptive analysis and results were shown as numbers and percentages. Results: During the period of the survey, 104 oncologists responded, representing around an 11% response rate. The majority of replies came from Egypt (59 responses (59%)), followed by Saudi Arabia (ten responses (9.6%)). Fifty-one per cent of responders had more than ten years of experience, and further 31.7% had 5-10 years of experience. Seventy-four per cent were working in governmental hospitals, which is our target sector. There was a major defect in having a genetic counsel unit (78.8% declared an absence of this service), presence of a national breast screening programme (55.8% declared an absence of this service), performing sentinel lymph node biopsy (43.3% declared an absence of this service). The need for regional guidelines for the management of breast cancer was agreed upon by 90.6% of responders. Conclusion: There is a clear need to improve the management of breast cancer in the MENA region. Creating a national breast screening programme and a reliable database is essential. A regional guideline is required to establish the best possible management of breast cancer according to the patients and disease specification as well as the regional socioeconomic factors and facilities available. There is also a need to improve clinical research that meets the region's needs. PMID- 29225689 TI - Acute myeloid leukaemia at an early age: Reviewing the interaction between pesticide exposure and KMT2A-rearrangement. AB - Acute myeloid leukaemia (AML) in early childhood is characterised by a high frequency of recurrent genomic aberrations associated with distinct myeloid subtypes, clinical outcomes and pathogenesis. Genomic instability is the first step of pathogenic mechanism in early childhood AML. A sum of adverse events is necessary to the development of infant AML (i-AML), which includes latency of biochemical-molecular and cellular effects. Inherited genetic susceptibility associated with exposures to biotransformation substances can modulate the risk of DNA damage and it is a very important piece in the pathogenic puzzle. In this review, we have aimed to explore the chain of events in the time-points of the natural history of i-AML, which includes maternal exposures during pregnancy, the speculations about the formation of somatic mutations during foetal life and the secondary genomic aberrations associated with i-AML. The modulation of risk conferred by xenobiotic metabolism's genes variants is the bottom line of the pathogenic process. Since we have conducted observational and molecular investigations in early childhood leukaemia, the data focused here is based on Brazilian findings with summarised results of our experience with epidemiological and molecular studies in early-age leukaemia. PMID- 29225688 TI - Repurposing Drugs in Oncology (ReDO)-chloroquine and hydroxychloroquine as anti cancer agents. AB - Chloroquine (CQ) and hydroxychloroquine (HCQ) are well-known 4-aminoquinoline antimalarial agents. Scientific evidence also supports the use of CQ and HCQ in the treatment of cancer. Overall, preclinical studies support CQ and HCQ use in anti-cancer therapy, especially in combination with conventional anti-cancer treatments since they are able to sensitise tumour cells to a variety of drugs, potentiating the therapeutic activity. Thus far, clinical results are mostly in favour of the repurposing of CQ. However, over 30 clinical studies are still evaluating the activity of both CQ and HCQ in different cancer types and in combination with various standard treatments. Interestingly, CQ and HCQ exert effects both on cancer cells and on the tumour microenvironment. In addition to inhibition of the autophagic flux, which is the most studied anti-cancer effect of CQ and HCQ, these drugs affect the Toll-like receptor 9, p53 and CXCR4-CXCL12 pathway in cancer cells. In the tumour stroma, CQ was shown to affect the tumour vasculature, cancer-associated fibroblasts and the immune system. The evidence reviewed in this paper indicates that both CQ and HCQ deserve further clinical investigations in several cancer types. Special attention about the drug (CQ versus HCQ), the dose and the schedule of administration should be taken in the design of new trials. PMID- 29225691 TI - History of the development of radiotherapy in Latin America. AB - Radiotherapy was the first nonsurgical treatment for malignant tumours and represents one of the oldest disciplines of oncology. In Latin America, as in many parts of the world, the history of modern oncology begins with the implementation of radiation therapy facilities. The development of radiotherapy in Latin America was possible thanks to the seminal work of radiation oncologists in different countries. As a large territory, there is a need to implement modern facilities and equipment, but unfortunately there are disparities in the access and quality of radiotherapy services across Latin America and even within individual countries. In this review, we describe the history, challenges and success in the implementation of radiotherapy and the frustration caused by the lack of facilities in several Latin American countries. PMID- 29225693 TI - Cytoreductive prostate radiotherapy in oligometastatic prostate cancer: a single centre analysis of toxicity and clinical outcome. AB - Objectives: The current standard of care for patients with metastatic prostate cancer (mPCa) at diagnosis is androgen deprivation therapy (ADT) with or without anti-androgen and chemotherapy. The aim of this study was to define the role of a local radiotherapy (RT) treatment in the mPCa setting. Methods: We retrospectively reviewed data of patients with PCa and bone oligometastases at diagnosis treated in our institution with ADT followed by cytoreductive prostate RT with or without RT on metastases. Biochemical and clinical failure (BF, CF), overall survival (OS) and RT-toxicity were assessed. Results: We identified 22 patients treated with ADT and external-beam RT on primary between June 2008 and March 2016. All of them but four were also treated for bone metastases. RT on primary with moderately and extremely hypofractionated regimes started after 10.3 months (3.9-51.7) from ADT. After a median follow-up of 26.4 months (10.3-55.5), 20 patients are alive. Twelve patients showed BF after a median time of 23 months (14.5-104) and CF after a median of 23.6 months (15.3-106.1) from the start of ADT. Three patients became castration resistant, starting a new therapy; median time to castration resistance was 31.03 months (range: 29.9-31.5 months). According to the Radiation Therapy Oncology Group/European Organization for Research and Treatment of Cancer (RTOG/EORTC), only one patient developed acute grade 3 genitourinary toxicity. No late grade >2 adverse events were observed. Conclusion: Prostate RT in oligometastatic patients is safe and offers long lasting local control. When compared to ADT alone, RT on primary seems to improve biochemical control and long-term survival; however, this hypothesis should be investigated in prospective studies. Further research is warranted. PMID- 29225692 TI - Recent advances in radiation oncology. AB - Radiotherapy (RT) is very much a technology-driven treatment modality in the management of cancer. RT techniques have changed significantly over the past few decades, thanks to improvements in engineering and computing. We aim to highlight the recent developments in radiation oncology, focusing on the technological and biological advances. We will present state-of-the-art treatment techniques, employing photon beams, such as intensity-modulated RT, volumetric-modulated arc therapy, stereotactic body RT and adaptive RT, which make possible a highly tailored dose distribution with maximum normal tissue sparing. We will analyse all the steps involved in the treatment: imaging, delineation of the tumour and organs at risk, treatment planning and finally image-guidance for accurate tumour localisation before and during treatment delivery. Particular attention will be given to the crucial role that imaging plays throughout the entire process. In the case of adaptive RT, the precise identification of target volumes as well as the monitoring of tumour response/modification during the course of treatment is mainly based on multimodality imaging that integrates morphological, functional and metabolic information. Moreover, real-time imaging of the tumour is essential in breathing adaptive techniques to compensate for tumour motion due to respiration. Brief reference will be made to the recent spread of particle beam therapy, in particular to the use of protons, but also to the yet limited experience of using heavy particles such as carbon ions. Finally, we will analyse the latest biological advances in tumour targeting. Indeed, the effectiveness of RT has been improved not only by technological developments but also through the integration of radiobiological knowledge to produce more efficient and personalised treatment strategies. PMID- 29225695 TI - When populism takes over the delivery of health care: Venezuela. AB - Adequate and modern health care is not available in Venezuela at this moment. A humanitarian crisis of post war dimensions is currently rampant and afflicting all Venezuelans alike. The delivery and availability of cancer care is severely limited and inadequate. No funding is available as populist measures, mismanagement, pillaging, corruption, lack of forethought and expertise have brought the country into severe economic collapse and political turmoil. PMID- 29225694 TI - Non-small cell lung cancer treatment (r)evolution: ten years of advances and more to come. AB - Diagnostic and treatment algorithms in non-small cell lung cancer (NSCLC) are evolving at a never-before-seen pace. Histological subtyping to maximise treatment efficacy and avoid toxicity has marked the beginning of the revolution, opening the way to molecular characterisation to guide genomically driven treatments with targeted agents, led by Epidermal Growth Factor Receptor (EGFR) and Anaplastic Lymphoma Kinase (ALK) inhibitors. More recently, agents against the Program Death 1 receptor (PD-1) and ligand 1 (PD-L1) have entered the clinical arena, offering new hope to NSCLC patients, although several uncertainties remain to be elucidated. Here, we review the most clinically relevant advances in the diagnosis and treatment of NSCLC in the past decade. PMID- 29225696 TI - Colorectal cancer: towards new challenges and concepts of preventive healthcare. AB - Colorectal cancer (CRC) holds the woeful record of being the most preventable but least prevented type of cancer. Although healthy lifestyles and screening programs associated to early polyp removal greatly reduce CRC incidence and CRC related death, the overall lack of information and of effective preventive policies is promoting an overwhelming global escalation of this disease. Moreover, new challenges such as the increasing occurrence of aggressive CRC in young adults highlight underlying changes not only in the incidence but also in the nature of this disease. In this scenario, CRC prevention should also undergo a significant transformation, embracing not only individual initiatives but also issues of social and international relevance. The nascent network of countries surrounding the Mediterranean basin (COLOMED, the COLOrectal cancer MEDiterranean network) serves as a paradigm of international cooperation aimed at broadening scientific collaboration and promoting effective health policies in CRC research and prevention. PMID- 29225697 TI - Comparative evaluation of Populus variants total sugar release and structural features following pretreatment and digestion by two distinct biological systems. AB - Background: Populus natural variants have been shown to realize a broad range of sugar yields during saccharification, however, the structural features responsible for higher sugar release from natural variants are not clear. In addition, the sugar release patterns resulting from digestion with two distinct biological systems, fungal enzymes and Clostridium thermocellum, have yet to be evaluated and compared. This study evaluates the effect of structural features of three natural variant Populus lines, which includes the line BESC standard, with respect to the overall process of sugar release for two different biological systems. Results: Populus natural variants, SKWE 24-2 and BESC 876, showed higher sugar release from hydrothermal pretreatment combined with either enzymatic hydrolysis or Clostridium thermocellum fermentation compared to the Populus natural variant, BESC standard. However, C. thermocellum outperformed the fungal cellulases yielding 96.0, 95.5, and 85.9% glucan plus xylan release from SKWE 24 2, BESC 876, and BESC standard, respectively. Among the feedstock properties evaluated, cellulose accessibility and glycome profiling provided insights into factors that govern differences in sugar release between the low recalcitrant lines and the BESC standard line. However, because this distinction was more apparent in the solids after pretreatment than in the untreated biomass, pretreatment was necessary to differentiate recalcitrance among Populus lines. Glycome profiling analysis showed that SKWE 24-2 contained the most loosely bound cell wall glycans, followed by BESC 876, and BESC standard. Additionally, lower molecular weight lignin may be favorable for effective hydrolysis, since C. thermocellum reduced lignin molecular weight more than fungal enzymes across all Populus lines. Conclusions: Low recalcitrant Populus natural variants, SKWE 24-2 and BESC 876, showed higher sugar yields than BESC standard when hydrothermal pretreatment was combined with biological digestion. However, C. thermocellum was determined to be a more robust and effective biological catalyst than a commercial fungal cellulase cocktail. As anticipated, recalcitrance was not readily predicted through analytical methods that determined structural properties alone. However, combining structural analysis with pretreatment enabled the identification of attributes that govern recalcitrance, namely cellulose accessibility, xylan content in the pretreated solids, and non cellulosic glycan extractability. PMID- 29225698 TI - Predicting the most appropriate wood biomass for selected industrial applications: comparison of wood, pulping, and enzymatic treatments using fluorescent-tagged carbohydrate-binding modules. AB - Background: Lignocellulosic biomass will progressively become the main source of carbon for a number of products as the Earth's oil reservoirs disappear. Technology for conversion of wood fiber into bioproducts (wood biorefining) continues to flourish, and access to reliable methods for monitoring modification of such fibers is becoming an important issue. Recently, we developed a simple, rapid approach for detecting four different types of polymer on the surface of wood fibers. Named fluorescent-tagged carbohydrate-binding module (FTCM), this method is based on the fluorescence signal from carbohydrate-binding modules based probes designed to recognize specific polymers such as crystalline cellulose, amorphous cellulose, xylan, and mannan. Results: Here we used FTCM to characterize pulps made from softwood and hardwood that were prepared using Kraft or chemical-thermo-mechanical pulping. Comparison of chemical analysis (NREL protocol) and FTCM revealed that FTCM results were consistent with chemical analysis of the hemicellulose composition of both hardwood and softwood samples. Kraft pulping increased the difference between softwood and hardwood surface mannans, and increased xylan exposure. This suggests that Kraft pulping leads to exposure of xylan after removal of both lignin and mannan. Impact of enzyme cocktails from Trichoderma reesei (Celluclast 1.5L) and from Aspergillus sp. (Carezyme 1000L) was investigated by analysis of hydrolyzed sugars and by FTCM. Both enzymes preparations released cellobiose and glucose from pulps, with the cocktail from Trichoderma being the most efficient. Enzymatic treatments were not as effective at converting chemical-thermomechanical pulps to simple sugars, regardless of wood type. FTCM revealed that amorphous cellulose was the primary target of either enzyme preparation, which resulted in a higher proportion of crystalline cellulose on the surface after enzymatic treatment. FTCM confirmed that enzymes from Aspergillus had little impact on exposed hemicelluloses, but that enzymes from the more aggressive Trichoderma cocktail reduced hemicelluloses at the surface. Conclusions: Overall, this study indicates that treatment with enzymes from Trichoderma is appropriate for generating crystalline cellulose at fiber surface. Applications such as nanocellulose or composites requiring chemical resistance would benefit from this enzymatic treatment. The milder enzyme mixture from Aspergillus allowed for removal of amorphous cellulose while preserving hemicelluloses at fiber surface, which makes this treatment appropriate for new paper products where surface chemical responsiveness is required. PMID- 29225699 TI - 3-Hydroxypropionaldehyde production from crude glycerol by Lactobacillus diolivorans with enhanced glycerol uptake. AB - Background: In their quest for sustainable development and effective management of greenhouse gas emissions, our societies pursue a shift away from fossil-based resources towards renewable resources. With 95% of our current transportation energy being petroleum based, the application of alternative, carbon-neutral products-among them biodiesel-is inevitable. In order to enhance the cost structure of biodiesel biorefineries, the valorization of the crude glycerol waste stream into high-value platform chemicals is of major importance. Results: The purpose of this study is the production of 3-hydroxypropionaldehyde (3-HPA) from biodiesel-derived crude glycerol by Lactobacillus diolivorans. Particular focus is given on overcoming potential limitations of glycerol transport into the cell, in order to use the cells' total glycerol dehydratase capability towards the formation of 3-HPA as the main product. Recombinant overexpression of the endogenous glycerol uptake facilitating protein PduF results in a significant increase of glycerol conversion by a factor of 1.3. Concomitantly, glycerol dehydratase activity increased from initially 1.70 +/- 0.03 U/mg protein to 2.23 +/- 0.11 U/mg protein. With this approach, an average productivity of 4.8 g3 HPA/(gCDM h) yielding up to 35.9 g/L 3-HPA and 0.91 mol3-HPA/molGlycerol have been obtained. Conclusion: Lactobacillus diolivorans proves to be a valuable cell factory for the utilization of crude glycerol delivering high-value C3 chemicals like 3-HPA, 1,3-propanediol (1,3-PDO) and 3-hydroxypropionic acid (3-HP). Enhancing the glycerol influx into the cell by genetic engineering was successful paving the way towards the commercial production of 3-HPA. PMID- 29225700 TI - Unusual variants of mycosis fungoides. AB - Conventional presentations of mycosis fungoides may be diagnostically challenging, particularly in light of the controversial boundaries defining the disease. Variant presentations of this cutaneous T-cell lymphoma add a further layer of complexity, requiring a sophisticated and informed perspective when evaluating lymphoid infiltrates in the skin. Herein we discuss well-defined (WHO EORTC) variants pagetoid reticulosis, granulomatous slack skin and folliculotropic mycosis fungoides as well as less well-defined morphologic/architectural variants, and divergent immunohistochemical presentations of this typically indolent T-cell lymphoproliferative disease. PMID- 29225701 TI - Cytotoxic Escherichia coli strains encoding colibactin and cytotoxic necrotizing factor (CNF) colonize laboratory macaques. AB - Background: Many Escherichia coli strains are considered to be a component of the normal flora found in the human and animal intestinal tracts. While most E. coli strains are commensal, some strains encode virulence factors that enable the bacteria to cause intestinal and extra-intestinal clinically-relevant infections. Colibactin, encoded by a genomic island (pks island), and cytotoxic necrotizing factor (CNF), encoded by the cnf gene, are genotoxic and can modulate cellular differentiation, apoptosis and proliferation. Some commensal and pathogenic pks+ and cnf+ E. coli strains have been associated with inflammation and cancer in humans and animals. Results: In the present study, E. coli strains encoding colibactin and CNF were identified in macaque samples. We performed bacterial cultures utilizing rectal swabs and extra-intestinal samples from clinically normal macaques. A total of 239 E. coli strains were isolated from 266 macaques. The strains were identified biochemically and selected isolates were serotyped as O88:H4, O25:H4, O7:H7, OM:H14, and OM:H16. Specific PCR for pks and cnf1 gene amplification, and phylogenetic group identification were performed on all E. coli strains. Among the 239 isolates, 41 (17.2%) were pks+/cnf1-, 19 (7.9%) were pks-/cnf1+, and 31 (13.0%) were pks+/cnf1+. One hundred forty-eight (61.9%) E. coli isolates were negative for both genes (pks-/cnf1-). In total, 72 (30.1%) were positive for pks genes, and 50 (20.9%) were positive for cnf1. No cnf2+ isolates were detected. Both pks+ and cnf1+ E. coli strains belonged mainly to phylogenetic group B2, including B21. Colibactin and CNF cytotoxic activities were observed using a HeLa cell cytotoxicity assay in representative isolates. Whole genome sequencing of 10 representative E. coli strains confirmed the presence of virulence factors and antibiotic resistance genes in rhesus macaque E. coli isolates. Conclusions: Our findings indicate that colibactin- and CNF encoding E. coli colonize laboratory macaques and can potentially cause clinical and subclinical diseases that impact macaque models. PMID- 29225702 TI - The influence of dopamine-beta-hydroxylase and catechol O-methyltransferase gene polymorphism on the efficacy of insulin detemir therapy in patients with type 2 diabetes mellitus. AB - Background: Type II diabetes is an important health problem with a complex connection to obesity, leading to a broad range of cardiovascular complications. Insulin therapy often results in weight gain and does not always ensure adequate glycemic control. However, previous studies reported that insulin detemir is an efficient long-acting insulin with a weight sparing effect. The aim of this study was to determine the association of catechol O-methyltransferase (COMT) Val108/158Met and dopamine-beta-hydroxylase (DBH) 1021C/T polymorphisms with the effectiveness of insulin detemir in achieving glucose control and body weight control. Participants and methods: This 52-week observational study included 185 patients with inadequate glycemic control treated with premix insulin analogues, which were replaced with insulin aspart and insulin detemir, and 156 healthy controls. After DNA isolation from blood samples, genotyping of DBH-1021C/T polymorphism (rs1611115) and COMT Val108/158Met polymorphism (rs4680) was performed. Results: Our results confirmed that insulin detemir did not lead to weight gain. The most significant finding was that A carriers (the combined AG and AA genotype) of the COMT Val108/158Met achieved significantly better hemoglobin A1c (HbA1c) values compared to patients carrying GG genotype. No association between DBH-1021C/T genotypes and weight and/or glucose control was detected in diabetes patients or in healthy control subjects. Conclusions: This study showed that the presence of one or two A allele of the COMT Val108/158Met was associated with improved glycemic response, and with a better response to insulin detemir therapy in patients with type II diabetes, separating them as best candidates for detemir therapy. PMID- 29225703 TI - Facilitators and barriers to healthy eating in a worksite cafeteria: a qualitative study from Nepal. AB - Objective: Worksite interventions can serve as a potential platform for translating existing knowledge of diabetes prevention and facilitate healthy food choices. The study explored perceptions about healthy eating as well as potential facilitators and barriers to healthy eating among employees in a wire manufacturing factory in Nepal. Methods and materials: We conducted a cross sectional exploratory qualitative study in a wire manufacturing industry in eastern Nepal. We conducted three focus group discussions (FGDs) with a total of 26 employees and four in-depth interviews (IDIs) with cafeteria operators/managers from a wire manufacturing factory in eastern Nepal. FGDs and IDIs were audio-recorded, transcribed verbatim and analysed using the thematic method. Results: Most employees defined healthy eating as the consumption of food prepared and maintained using hygienic practices and fresh foods in general. Major barriers to healthy eating included unavailability of healthy foods, difficulty in changing eating habits, the preference for fried foods in Nepali culture and the high costs of some healthy foods. The most commonly reported facilitator of healthy eating was the availability of affordable healthy food options in worksite cafeterias. Conclusion: Availability of healthy food options at an affordable price could lead to healthier food choices in the worksite. PMID- 29225704 TI - Transcription coupled repair and biased insertion of human retrotransposon L1 in transcribed genes. AB - Background: L1 retrotransposons inserted within genes in the human genome show a strong bias against sense orientation with respect to the gene. One suggested explanation for this observation was the possibility that L1 inserted randomly, but that there was negative selection against sense-oriented insertions. However, multiple studies have now found that de novo and polymorphic L1 insertions, which have little opportunity for selection to act, also show the same bias. Results: Here we show that the transcription-coupled sub-pathway of nucleotide excision repair does not affect the overall rate of insertion of L1 elements, which is in contrast with the regulation by the global sub-pathway of nucleotide excision repair. The transcription-coupled subpathway does cause a strong bias against insertion in the sense orientation relative to genes. Conclusions: This suggests that a major portion of the L1 orientation bias might be generated during the process of insertion through the action of transcription-coupled nucleotide excision repair. PMID- 29225706 TI - Comparison of photo- and thermally initiated polymerization-induced self assembly: a lack of end group fidelity drives the formation of higher order morphologies. AB - Polymerization-induced self-assembly (PISA) is an emerging industrially relevant technology, which allows the preparation of defined and predictable polymer self assemblies with a wide range of morphologies. In recent years, interest has turned to photoinitiated PISA processes, which show markedly accelerated reaction kinetics and milder conditions, thereby making it an attractive alternative to thermally initiated PISA. Herein, we attempt to elucidate the differences between these two initiation methods using isothermally derived phase diagrams of a well documented poly(ethylene glycol)-b-(2-hydroxypropyl methacrylate) (PEG-b-HPMA) PISA system. By studying the influence of the intensity of the light source used, as well as an investigation into the thermodynamically favorable morphologies, the factors dictating differences in the obtained morphologies when comparing photo- and thermally initiated PISA were explored. Our findings indicate that differences in a combination of both reaction kinetics and end group fidelity led to the observed discrepencies between the two techniques. We find that the loss of the end group in photoinitiated PISA drives the formation of higher order structures and that a morphological transition from worms to unilamellar vesicles could be induced by extended periods of light and heat irradiation. Our findings demonstrate that PISA of identical block copolymers by the two different initiation methods can lead to structures that are both chemically and morphologically distinct. PMID- 29225707 TI - How to evaluate the immune status of lung cancer patients before immunotherapy. AB - Nowadays, cancer immunotherapy is a promising strategy in solid tumour treatment. It has become a breakthrough in achieving long-term survival in many advanced cases. The essence of modern immunotherapy is to improve the host antitumour immune defence. Currently, it is critically important to determine the biomarkers that could be helpful in planning this type of individual therapy. It has turned out that an important prognostic factor is the evaluation of inflammatory infiltration of the tumour mass, including the characteristics of populations of lymphocytes and macrophages, and the expression of suppressive and regulatory molecules. For lung cancer, <30% of the tumours are resectable and available for a complete microscopic examination. In other cases, the material for the study of inflammatory infiltration may be a tumour biopsy, but this is of limited importance. A valuable way to evaluate the microenvironment of tumour growth is a bronchoalveolar lavage (BAL) fluid examination. In the BAL fluid, the cellular and noncellular components determine the specific type of inflammatory response in an environment of developing cancer. BAL fluid analysis may be a valuable addition to peripheral blood analysis during qualification for modern immunomodulatory therapy. Moreover, it is important material to seek biomarkers of clinical significance. PMID- 29225705 TI - Using bioinformatic and phylogenetic approaches to classify transposable elements and understand their complex evolutionary histories. AB - In recent years, much attention has been paid to comparative genomic studies of transposable elements (TEs) and the ensuing problems of their identification, classification, and annotation. Different approaches and diverse automated pipelines are being used to catalogue and categorize mobile genetic elements in the ever-increasing number of prokaryotic and eukaryotic genomes, with little or no connectivity between different domains of life. Here, an overview of the current picture of TE classification and evolutionary relationships is presented, updating the diversity of TE types uncovered in sequenced genomes. A tripartite TE classification scheme is proposed to account for their replicative, integrative, and structural components, and the need to expand in vitro and in vivo studies of their structural and biological properties is emphasized. Bioinformatic studies have now become front and center of novel TE discovery, and experimental pursuits of these discoveries hold great promise for both basic and applied science. PMID- 29225708 TI - Ranges of phenotypic flexibility in healthy subjects. AB - Background: A key feature of metabolic health is the ability to adapt upon dietary perturbations. A systemic review defined an optimal nutritional challenge test, the "PhenFlex test" (PFT). Recently, it has been shown that the PFT enables the quantification of all relevant metabolic processes involved in maintaining or regaining homeostasis of metabolic health. Furthermore, it was demonstrated that quantification of PFT response was more sensitive as compared to fasting markers in demonstrating reduced phenotypic flexibility in metabolically impaired type 2 diabetes subjects. Methods: This study aims to demonstrate that quantification of PFT response can discriminate between different states of health within the healthy range of the population. Therefore, 100 healthy subjects were enrolled (50 males, 50 females) ranging in age (young, middle, old) and body fat percentage (low, medium, high), assuming variation in phenotypic flexibility. Biomarkers were selected to quantify main processes which characterize phenotypic flexibility in response to PFT: flexibility in glucose, lipid, amino acid and vitamin metabolism, and metabolic stress. Individual phenotypic flexibility was visualized using the "health space" by representing the four processes on the health space axes. By quantifying and presenting the study subjects in this space, individual phenotypic flexibility was visualized. Results: Using the "health space" visualization, differences between groups as well as within groups from the healthy range of the population can be easily and intuitively assessed. The health space showed a different adaptation to the metabolic PhenFlex test in the extremes of the recruited population; persons of young age with low to normal fat percentage had a markedly different position in the health space as compared to persons from old age with normal to high fat percentage. Conclusion: The results of the metabolic PhenFlex test in conjunction with the health space reliably assessed health on an individual basis. This quantification can be used in the future for personalized health quantification and advice. PMID- 29225709 TI - Immunomodulatory Effects of Human Cryopreserved Viable Amniotic Membrane in a Pro Inflammatory Environment In Vitro. AB - Introduction: Chronic wounds remain a major clinical challenge. Human cryopreserved viable amniotic membrane (hCVAM) is among the most successful therapies, but the mechanisms of action remain loosely defined. Because proper regulation of macrophage behavior is critical for wound healing with biomaterial therapies, we hypothesized that hCVAM would positively regulate macrophage behavior in vitro, and that soluble factors released from the hCVAM would be important for this effect. Materials and Methods: Primary human pro-inflammatory (M1) macrophages were seeded directly onto intact hCVAM or cultured in separation via transwell inserts (Soluble Factors) in the presence of pro-inflammatory stimuli (interferon-gamma and lipopolysaccharide) to simulate the chronic wound environment. Macrophages were characterized after 1 and 6 days using multiplex gene expression analysis of 37 macrophage phenotype- and angiogenesis-related genes via NanoStringTM, and protein content from conditioned media collected at days 1, 3 and 6 was analyzed via enzyme linked immunosorbent assays. Results and Discussion: Gene expression analysis showed that Soluble Factors promoted significant upregulation of pro-inflammatory marker IL1B on day 1 yet downregulation of TNF on day 6 compared to the M1 macrophage control. In contrast, intact hCVAM, which includes both extracellular matrix, viable cells, and soluble factors, promoted downregulation of pro-inflammatory markers TNF, CCL5 and CCR7 on day 1 and endothelial receptor TIE1 on day 6, and upregulation of the anti-inflammatory marker IL10 on day 6 compared to the M1 Control. Other genes related to inflammation and angiogenesis (MMP9, VEGF, SPP1, TGFB1, etc.) were differentially regulated between the Soluble Factors and intact hCVAM groups at both time points, though they were not expressed at significantly different levels compared to the M1 Control. Interestingly, Soluble Factors promoted increased secretion of the proinflammatory cytokine tumor necrosis factor-alpha (TNF-alpha), while direct contact with hCVAM inhibited secretion of TNF, relative to the M1 Control. Both Soluble Factors and intact hCVAM inhibited secretion of MMP9 and VEGF, pro-inflammatory proteins that are critical for angiogenesis and remodeling, compared to the M1 Control, with intact hCVAM having a stronger effect. Conclusions: In a simulated pro-inflammatory environment, intact hCVAM has distinct anti-inflammatory effects on primary human macrophages, and direct macrophage contact with intact hCVAM is required for these effects. These findings are important for the design of next generation immunomodulatory biomaterials for wound repair and regenerative medicine that may include living cells, soluble factors, or a controlled drug delivery system. PMID- 29225711 TI - New developments in the pathology of malignant lymphoma. A review of the literature published from September-August 2017. PMID- 29225712 TI - A Look-Ahead Strategy for Non-Directed Donors in Kidney Paired Donation. AB - While there is a growing need for kidney transplants to treat end stage kidney disease, the supply of transplantable kidneys is in serious shortage. Kidney paired donation (KPD) programs serve as platforms for candidates with willing but incompatible donors to assess the possibility of exchanging donors, thus opening up new transplant opportunities for these candidates. In recent years, non directed (or altruistic) donors (NDDs) have been incorporated into KPD programs beginning chains of transplants that benefit many candidates. In such programs, making optimal decisions in transplant exchange selection is of critical importance. With the aim of improving the selection of chains beginning with an NDD, this paper introduces a look-ahead multiple decision strategy to select chains, that are easy to extend in the future. Simulation studies are adopted to assess performance of this strategy. Taking into account the extensibility of chains increases the number of realized transplants. PMID- 29225713 TI - Understanding Landmarking and Its Relation with Time-Dependent Cox Regression. AB - Time-dependent Cox regression and landmarking are the two most commonly used approaches for the analysis of time-dependent covariates in time-to-event data. The estimated effect of the time-dependent covariate in a landmarking analysis is based on the value of the time-dependent covariate at the landmark time point, after which the time-dependent covariate may change value. In this note we derive expressions for the (time-varying) regression coefficient of the time-dependent covariate in the landmark analysis, in terms of the regression coefficient and baseline hazard of the time-dependent Cox regression. These relations are illustrated using simulation studies and using the Stanford heart transplant data. PMID- 29225710 TI - Novel developments in the pathogenesis and diagnosis of extranodal marginal zone lymphoma. AB - Extranodal marginal zone lymphoma (EMZL), mostly represented by mucosa-associated lymphoid tissue (MALT) type, also referred to as MALT lymphoma, is a clinically heterogeneous entity within the group of low-grade B cell lymphomas that arises in a wide range of different extranodal sites, including the stomach, lung, ocular adnexa, and skin. It represents the third most common non-Hodgkin lymphoma in the Western world, and the median age of occurrence is around 60 years. One characteristic aspect in a subset of EMZL detectable in about 25% of the cases is the presence of specific chromosomal translocations involving the genes MALT1 and BCL10, which lead to activation of the NF-kappaB signaling pathway. Another unique aspect is that several infectious agents, such as Helicobacter pylori in the case of gastric EMZL, and autoimmune disorders, like Sjogren syndrome, have been implicated in the pathogenesis of this cancer. Recent findings as summarized in this review have further improved our understanding of the complex pathobiology of this disease and have been essential to better define novel treatment strategies. In addition, many of these specific features are currently being implemented for the diagnosis of EMZL. PMID- 29225714 TI - Incorporating High-Dimensional Exposure Modelling into Studies of Air Pollution and Health. AB - Performing studies on the risks of environmental hazards on human health requires accurate estimates of exposures that might be experienced by the populations at risk. Often there will be missing data and in many epidemiological studies, the locations and times of exposure measurements and health data do not match. To a large extent this will be due to the health and exposure data having arisen from completely different data sources and not as the result of a carefully designed study, leading to problems of both 'change of support' and 'misaligned data'. In such cases, a direct comparison of the exposure and health outcome is often not possible without an underlying model to align the two in the spatial and temporal domains. The Bayesian approach provides the natural framework for such models; however, the large amounts of data that can arise from environmental networks means that inference using Markov Chain Monte Carlo might not be computationally feasible in this setting. Here we adapt the integrated nested Laplace approximation to implement spatio-temporal exposure models. We also propose methods for the integration of large-scale exposure models and health analyses. It is important that any model structure allows the correct propagation of uncertainty from the predictions of the exposure model through to the estimates of risk and associated confidence intervals. The methods are demonstrated using a case study of the levels of black smoke in the UK, measured over several decades, and respiratory mortality. PMID- 29225715 TI - Classification of Large-Scale Remote Sensing Images for Automatic Identification of Health Hazards: Smoke Detection Using an Autologistic Regression Classifier. AB - Remote sensing images from Earth-orbiting satellites are a potentially rich data source for monitoring and cataloguing atmospheric health hazards that cover large geographic regions. A method is proposed for classifying such images into hazard and nonhazard regions using the autologistic regression model, which may be viewed as a spatial extension of logistic regression. The method includes a novel and simple approach to parameter estimation that makes it well suited to handling the large and high-dimensional datasets arising from satellite-borne instruments. The methodology is demonstrated on both simulated images and a real application to the identification of forest fire smoke. PMID- 29225716 TI - N-of-1 Design and Its Applications to Personalized Treatment Studies. AB - N-of-1 trial is a type of clinical trial which has been applied in chronic recurrent conditions that require long-term non-curative treatment. In this type of trials, each patient will be randomly assigned to one of the treatment sequences and repeatedly crossed over two or more treatments of interests. Through this cross-comparing method (cross-over phase), investigator can identify an optimal treatment (medicine or therapy) for the patient and treat the patient with the optimal treatment in an extension phase. This design could efficiently reduce the placebo effect, which is often seen in clinical trials, and maximize the true treatment effect. This type of design has been used in some traditional Chinese medicine (TCM) clinical trials lately. However, it brings some challenges for collecting and analyzing the data. Research on statistical methodology of this type of design is rarely found in the literature. The goal of this research is to discuss the application of the N-of-1 design to personalized treatment studies. We will demonstrate a real study conducted in TCM and present some theoretical and simulation results. PMID- 29225718 TI - Strategies for dereplication of natural compounds using high-resolution tandem mass spectrometry. AB - Complete structural elucidation of natural products is commonly performed by nuclear magnetic resonance spectroscopy (NMR), but annotating compounds to most likely structures using high-resolution tandem mass spectrometry is a faster and feasible first step. The CASMI contest 2016 (Critical Assessment of Small Molecule Identification) provided spectra of eighteen compounds for the best manual structure identification in the natural products category. High resolution precursor and tandem mass spectra (MS/MS) were available to characterize the compounds. We used the Seven Golden Rules, Sirius2 and MS-FINDER software for determination of molecular formulas, and then we queried the formulas in different natural product databases including DNP, UNPD, ChemSpider and REAXYS to obtain molecular structures. We used different in-silico fragmentation tools including CFM-ID, CSI:FingerID and MS-FINDER to rank these compounds. Additional neutral losses and product ion peaks were manually investigated. This manual and time consuming approach allowed for the correct dereplication of thirteen of the eighteen natural products. PMID- 29225717 TI - Feasibility of quantifying SDC2 methylation in stool DNA for early detection of colorectal cancer. AB - Background: Colorectal cancer (CRC) screening is the most efficient strategy to reduce disease-related mortality. Frequent aberrant DNA methylation is known to occur in selected genes and early during CRC development, which has emerged as a new epigenetic biomarker for early detection of CRC. Previously, we reported that we identified that CpG sites of SDC2 were aberrantly methylated in tumor tissues of most CRC patients through comprehensive methylation analysis and demonstrated a high potential of quantification of SDC2 methylation in blood for early detection of colorectal cancer. In this study, we aim to investigate the feasibility of quantifying SDC2 methylation in stool DNA for the early detection of CRC. The objective of this study was to confirm a high frequency of SDC2 methylation in tumor tissues at various stages of CRC and investigate the feasibility of a quantitative test for SDC2 methylation in fecal DNA by highly sensitive and accurate real-time PCR for early detection of CRC. Methods: Bisulfite-pyrosequencing assay was performed to measure the SDC2 methylation status in tissue samples. For methylation analysis in stool DNA, a highly sensitive and accurate method was applied which implements consecutive two rounds of PCR consisting of unidirectional linear target enrichment (LTE) of SDC2 and quantitative methylation-specific real time PCR (qMSP) for SDC2, named as meSDC2 LTE-qMSP assay. Its limit of detection was 0.1% methylation (corresponding to ~ 6 copies in total ~ 6200 genome copies). Results: Positive SDC2 methylation was observed in 100% of primary tumors, 90.6% of adenomatous polyps, 94.1% of hyperplastic polyps, and 0% of normal tissues. SDC2 methylation level also significantly (P < 0.01) increased according to the severity of lesions. In stool DNA test for SDC2 methylation by LTE-qMSP comparing CRC patients with various stages (I to IV) (n = 50) and precancerous lesions (n = 21) with healthy subjects (n = 22), the overall sensitivity was 90.0% for detecting CRC and 33.3% for detecting small polyps, with a specificity of 90.9%. Conclusions: Taken together, our result indicates that stool DNA-based SDC2 methylation test by LTE-qMSP is a potential noninvasive diagnostic tool for early detection of CRC. PMID- 29225719 TI - Methane optical density measurements with an integrated path differential absorption lidar from an airborne platform. AB - We report on an airborne demonstration of atmospheric methane (CH4) measurements with an Integrated Path Differential Absorption (IPDA) lidar using an optical parametric amplifier (OPA) and optical parametric oscillator (OPO) laser transmitter and sensitive avalanche photodiode detector. The lidar measures the atmospheric CH4 absorption at multiple, discrete wavelengths near 1650.96 nm. The instrument was deployed in the fall of 2015, aboard NASA's DC-8 airborne laboratory along with an in-situ spectrometer and measured CH4 over a wide range of surfaces and atmospheric conditions from altitudes of 2 km to 13 km. In this paper, we will show the results from our flights, compare the performance of the two laser transmitters, and identify areas of improvement for the lidar. PMID- 29225720 TI - New frontiers in molecular and imaging research on evaluation and diagnosis of bladder outlet obstruction in women. AB - Purpose: Diagnosis of bladder outlet obstruction (BOO) often presents a challenge in female patients. Traditional diagnostic elements such as symptom history and urodynamic data are rarely clear cut in women. Therefore, we sought to review the current literature on diagnosis of female BOO, focusing on new frontiers in the realm of molecular markers and imaging modalities. Recent Findings: In addition to fluoroscopy in the setting of videourodynamics, ultrasound and MRI can augment the diagnosis and aid in therapeutic planning in certain etiologies of female BOO. Furthermore, multiple potential biomarkers (i.e. nerve growth factor, prostaglandins, ATP) that have been studied in correlation to BOO in animal models as well as human subjects hold promise for diagnostic applications. Summary: These novel techniques may augment standard clinical and urodynamic evaluation of BOO in females. Future directions include further studies of each of these biomarkers in female patients with BOO compared to normal controls to test their feasibility as potential screening tools. PMID- 29225721 TI - Catalytic Hydrogenation and Hydrodeoxygenation of Furfural over Pt(111): A Model System for the Rational Design and Operation of Practical Biomass Conversion Catalysts. AB - Furfural is a key bioderived platform chemical whose reactivity under hydrogen atmospheres affords diverse chemical intermediates. Here, temperature-programmed reaction spectrometry and complementary scanning tunneling microscopy (STM) are employed to investigate furfural adsorption and reactivity over a Pt(111) model catalyst. Furfural decarbonylation to furan is highly sensitive to reaction conditions, in particular, surface crowding and associated changes in the adsorption geometry: furfural adopts a planar geometry on clean Pt(111) at low coverage, tilting at higher coverage to form a densely packed furfural adlayer. This switch in adsorption geometry strongly influences product selectivity. STM reveals the formation of hydrogen-bonded networks for planar furfural, which favor decarbonylation on clean Pt(111) and hydrogenolysis in the presence of coadsorbed hydrogen. Preadsorbed hydrogen promotes furfural hydrogenation to furfuryl alcohol and its subsequent hydrogenolysis to methyl furan, while suppressing residual surface carbon. Furfural chemistry over Pt is markedly different from that over Pd, with weaker adsorption over the former affording a simpler product distribution than the latter; Pd catalyzes a wider range of chemistry, including ring-opening to form propene. Insight into the role of molecular orientation in controlling product selectivity will guide the design and operation of more selective and stable Pt catalysts for furfural hydrogenation. PMID- 29225723 TI - Comment on "A Preclinical Systematic Review of Ginsenoside-Rg1 in Experimental Parkinson's Disease". PMID- 29225724 TI - Effects of White Wine Consumption on Weight in Rats: Do Polyphenols Matter? AB - Introduction: Effects of white wine and the role of wine polyphenols on weight gain in rats of different age were examined in the 4-week-voluntary-consumption trial. Methods and Materials: Biochemically characterized standard (low polyphenols, W) and macerated (high polyphenolic content, PW) white wines were compared. One- and three-month-old Sprague-Dawley male rats (n = 78) were used. Each age group was subdivided into water-only-drinking controls (C), W, and PW drinking animals. Daily wine and total liquid consumption, food intake, and body weight were measured, and energy intake and feed efficiency index were calculated. Results: In both age categories, wine-drinking animals consumed less food and gained less weight in comparison to C (181 +/- 2, 179 +/- 6, and 201 +/- 5 in younger animals and 32 +/- 5, 28 +/- 6, and 47 +/- 4 grams in older animals, resp.), regardless of wine type. Total energy intake was the lowest in PW drinking animals. Conclusion: Wine-drinking animals gained less weight in comparison to C, regardless of the wines' polyphenol content. Although our results are indicative of the major role of nonphenolic constituents of the wines (probably ethanol), the modifying role of wine phenolics on weight gain cannot be excluded as the group consuming PW had lower total energy intake than other groups. PMID- 29225722 TI - Cellular Senescence in Age-Related Macular Degeneration: Can Autophagy and DNA Damage Response Play a Role? AB - Age-related macular degeneration (AMD) is the main reason of blindness in developed countries. Aging is the main AMD risk factor. Oxidative stress, inflammation and some genetic factors play a role in AMD pathogenesis. AMD is associated with the degradation of retinal pigment epithelium (RPE) cells, photoreceptors, and choriocapillaris. Lost RPE cells in the central retina can be replaced by their peripheral counterparts. However, if they are senescent, degenerated regions in the macula cannot be regenerated. Oxidative stress, a main factor of AMD pathogenesis, can induce DNA damage response (DDR), autophagy, and cell senescence. Moreover, cell senescence is involved in the pathogenesis of many age-related diseases. Cell senescence is the state of permanent cellular division arrest and concerns only mitotic cells. RPE cells, although quiescent in the retina, can proliferate in vitro. They can also undergo oxidative stress induced senescence. Therefore, cellular senescence can be considered as an important molecular pathway of AMD pathology, resulting in an inability of the macula to regenerate after degeneration of RPE cells caused by a factor inducing DDR and autophagy. It is too early to speculate about the role of the mutual interplay between cell senescence, autophagy, and DDR, but this subject is worth further studies. PMID- 29225725 TI - Low Glucose Concentrations Induce a Similar Inflammatory Response in Monocytes from Type 2 Diabetic Patients and Healthy Subjects. AB - This study aims to assess the proinflammatory interleukin 1beta (IL-1beta) and anti-inflammatory IL-10 production by monocytes from 38 patients with type 2 diabetes and 31 controls in different glucose concentrations. Monocytes were incubated in low (2.5 mmol/L)-, normal (5.0 mmol/L)-, and high (20 mmol/L) glucose conditions in the presence and absence of lipopolysaccharide (LPS). Monocytes from both patients and controls only produced a significant increase in IL-1beta in low-glucose conditions (p < 0.01), and this phenomenon was amplified in the presence of LPS, while it was not seen in normal- or high-glucose conditions, not even in the presence of LPS stimulation. There was no increase in IL-10 production by monocytes from either diabetic patients or controls using whatever glucose concentrations, except when treated with LPS in normal-glucose conditions. These findings seem to suggest that low-glucose conditions induce an inflammatory response in monocytes in all individuals, as an intrinsic capacity of this cell line. On the other hand, monocytes only retain their anti inflammatory ability in response to known inflammatory stimuli such as LPS, under normal-glucose concentrations. In conclusion, human monocytes express an inflammatory pattern in low-glucose conditions in vitro. This response could contribute to explaining the higher cardiovascular risk induced by hypoglycemia in diabetic patients. PMID- 29225726 TI - Incidence, Diagnosis, and Treatment of Cardiac Toxicity from Trastuzumab in Patients with Breast Cancer. AB - Purpose of review: Treatment with trastuzumab is a cornerstone of human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer treatment, but carries an unfortunate risk of toxicity to the cardiovascular system. Here we review recent findings on trastuzumab-associated cardiotoxicity, focusing on its incidence, diagnosis, and treatment. Recent findings: Screening with multigated acquisition scan (MUGA) or echocardiogram (ECHO) is recommended to assess cardiac function prior to and during trastuzumab therapy. Because trastuzumab-induced cardiotoxicity is typically reversible, cessation of trastuzumab and/or administration of first line heart failure agents effectively restores cardiac function in most cases. Severe trastuzumab-induced cardiotoxicity is rare enough that the risk-benefit ratio still weighs in favor of its use in the vast majority of patients with HER2+ breast cancer. Summary: An improved understanding of the pathophysiology underlying trastuzumab-induced cardiotoxicity and the identification of patients at highest risk will allow us to continue to safely administer trastuzumab in patients with breast cancer. PMID- 29225727 TI - The genomic study of an environmental isolate of Scedosporium apiospermum shows its metabolic potential to degrade hydrocarbons. AB - Crude oil contamination of soils and waters is a worldwide problem, which has been actively addressed in recent years. Sequencing genomes of microorganisms involved in the degradation of hydrocarbons have allowed the identification of several promoters, genes, and degradation pathways of these contaminants. This knowledge allows a better understanding of the functional dynamics of microbial degradation. Here, we report a first draft of the 44.2 Mbp genome assembly of an environmental strain of the fungus Scedosporium apiospermum. The assembly consisted of 178 high-quality DNA scaffolds with 1.93% of sequence repeats identified. A total of 11,195 protein-coding genes were predicted including a diverse group of gene families involved in hydrocarbon degradation pathways like dioxygenases and cytochrome P450. The metabolic pathways identified in the genome can potentially degrade hydrocarbons like chloroalkane/alkene, chorocyclohexane, and chlorobenzene, benzoate, aminobenzoate, fluorobenzoate, toluene, caprolactam, geraniol, naphthalene, styrene, atrazine, dioxin, xylene, ethylbenzene, and polycyclic aromatic hydrocarbons. The comparison analysis between this strain and the previous sequenced clinical strain showed important differences in terms of annotated genes involved in the hydrocarbon degradation process. PMID- 29225728 TI - The complete genome sequence of the rumen bacterium Butyrivibrio hungatei MB2003. AB - Butyrivibrio hungatei MB2003 was isolated from the plant-adherent fraction of rumen contents from a pasture-grazed New Zealand dairy cow, and was selected for genome sequencing in order to examine its ability to degrade plant polysaccharides. The genome of MB2003 is 3.39 Mb and consists of four replicons; a chromosome, a secondary chromosome or chromid, a megaplasmid and a small plasmid. The genome has an average G + C content of 39.7%, and encodes 2983 putative protein-coding genes. MB2003 is able to use a variety of monosaccharide substrates for growth, with acetate, butyrate and formate as the principal fermentation end-products, and the genes encoding these metabolic pathways have been identified. MB2003 is predicted to encode an extensive repertoire of CAZymes with 78 GHs, 7 CEs, 1 PL and 78 GTs. MB2003 is unable to grow on xylan or pectin, and its role in the rumen appears to be as a utilizer of monosaccharides, disaccharides and oligosaccharides made available by the degradative activities of other bacterial species. PMID- 29225729 TI - Draft genome sequence of Bacillus velezensis 2A-2B strain: a rhizospheric inhabitant of Sporobolus airoides (Torr.) Torr., with antifungal activity against root rot causing phytopathogens. AB - A Bacillus velezensis strain from the rhizosphere of Sporobolus airoides (Torr.) Torr., a grass in central-north Mexico, was isolated during a biocontrol of phytopathogens scrutiny study. The 2A-2B strain exhibited at least 60% of growth inhibition of virulent isolates of phytopathogens causing root rot. These phytopathogens include Phytophthora capsici, Fusarium solani, Fusarium oxysporum and Rhizoctonia solani. Furthermore, the 2A-2B strain is an indolacetic acid producer, and a plant inducer of PR1, which is an induced systemic resistance related gene in chili pepper plantlets. Whole genome sequencing was performed to generate a draft genome assembly of 3.953 MB with 46.36% of GC content, and a N50 of 294,737. The genome contains 3713 protein coding genes and 89 RNA genes. Moreover, comparative genome analysis revealed that the 2A-2B strain had the greatest identity (98.4%) with Bacillus velezensis. PMID- 29225731 TI - Blind Source Separation - Based Motion Detector for Sub-Micrometer, Periodic Displacement in Ultrasonic Imaging. AB - Sub-micrometer, periodic motion detection using blind source separation (BSS) via principal component analysis (PCA) is presented in the context of magnetomotive ultrasound (MMUS) imaging and Shearwave Dispersion Ultrasound Vibrometry (SDUV). In MMUS, an oscillating external magnetic field displaces tissue loaded with superparamagnetic iron oxide (SPIO) particles, whereas in SDUV, periodic tissue motion is induced using acoustic radiation force (ARF) to measure visco-elastic properties. BSS motion detection performance in MMUS imaging and SDUV was compared against frequency-phase locked (FPL) and normalized cross-correlation (NCC) motion detectors, respectively, in silico and in experimental phantoms. Parametric MMUS phantom images constructed using the BSS method had nearly twice the SNR of the corresponding images constructed using FPL method when a 0.043 mm or smaller kernel size was used. In FEM models of SDUV, the error in the BSS estimated viscoelastic properties of simulated materials was < 10%, whereas the error was > 20% using NCC when the simulated SNR was 15 dB. In a calibrated elasticity phantom, the amplitude of the motion was <= 0.5 MUm for a scanner power level <= 20%. The median percent error in BSS-derived shear modulus of the phantom was -6.8%, -1.55%, -17.11% for power level of 20%, 15%, and 10%, respectively. The corresponding NCC-derived errors were 29.90%, 127.1%, and 244.70%. These results suggest the relevance of using BSS for the detection of sub-micrometer, periodic motion in MMUS and SDUV imaging, particularly when SNR is less than 15 dB and/or induced displacements are less than 0.5 MUm. PMID- 29225730 TI - Draft genome sequences of Bradyrhizobium shewense sp. nov. ERR11T and Bradyrhizobium yuanmingense CCBAU 10071T. AB - The type strain of the prospective 10.1601/nm.30737 sp. nov. ERR11T, was isolated from a nodule of the leguminous tree Erythrina brucei native to Ethiopia. The type strain 10.1601/nm.1463 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+10071 T, was isolated from the nodules of Lespedeza cuneata in Beijing, China. The genomes of ERR11T and 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+10071 T were sequenced by DOE-JGI and deposited at the DOE-JGI genome portal as well as at the European Nucleotide Archive. The genome of ERR11T is 9,163,226 bp in length and has 102 scaffolds, containing 8548 protein-coding and 86 RNA genes. The 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+10071 T genome is arranged in 108 scaffolds and consists of 8,201,522 bp long and 7776 protein-coding and 85 RNA genes. Both genomes contain symbiotic genes, which are homologous to the genes found in the complete genome sequence of 10.1601/nm.24498 10.1601/strainfinder?urlappend=%3Fid%3DUSDA+110 T. The genes encoding for nodulation and nitrogen fixation in ERR11T showed high sequence similarity with homologous genes found in the draft genome of peanut-nodulating 10.1601/nm.27386 10.1601/strainfinder?urlappend=%3Fid%3DLMG+26795 T. The nodulation genes nolYA nodD2D1YABCSUIJ-nolO-nodZ of ERR11T and 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+10071 T are organized in a similar way to the homologous genes identified in the genomes of 10.1601/strainfinder?urlappend=%3Fid%3DUSDA+110 T, 10.1601/nm.25806 10.1601/strainfinder?urlappend=%3Fid%3DUSDA+4 and 10.1601/nm.1462 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+05525. The genomes harbor hupSLCFHK and hypBFDE genes that code the expression of hydrogenase, an enzyme that helps rhizobia to uptake hydrogen released by the N2-fixation process and genes encoding denitrification functions napEDABC and norCBQD for nitrate and nitric oxide reduction, respectively. The genome of ERR11T also contains nosRZDFYLX genes encoding nitrous oxide reductase. Based on multilocus sequence analysis of housekeeping genes, the novel species, which contains eight strains formed a unique group close to the 10.1601/nm.25806 branch. Genome Average Nucleotide Identity (ANI) calculated between the genome sequences of ERR11T and closely related sequences revealed that strains belonging to 10.1601/nm.25806 branch (10.1601/strainfinder?urlappend=%3Fid%3DUSDA+4 and 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+15615), were the closest strains to the strain ERR11T with 95.2% ANI. Type strain ERR11T showed the highest DDH predicted value with 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+15615 (58.5%), followed by 10.1601/strainfinder?urlappend=%3Fid%3DUSDA+4 (53.1%). Nevertheless, the ANI and DDH values obtained between ERR11T and 10.1601/strainfinder?urlappend=%3Fid%3DCCBAU+15615 or 10.1601/strainfinder?urlappend=%3Fid%3DUSDA+4 were below the cutoff values (ANI >= 96.5%; DDH >= 70%) for strains belonging to the same species, suggesting that ERR11T is a new species. Therefore, based on the phylogenetic analysis, ANI and DDH values, we formally propose the creation of 10.1601/nm.30737 sp. nov. with strain ERR11T (10.1601/strainfinder?urlappend=%3Fid%3DHAMBI+3532 T=10.1601/strainfinder?urlappend=%3Fid%3DLMG+30162 T) as the type strain. PMID- 29225732 TI - Laparoscopic complete mesocolic excisions for colonic cancer in the last decade: Five-year survival in a single centre. AB - AIM: To analyse clinical and long-term oncologic results after laparoscopic complete mesocolic excision (CME) for colonic cancer over a 10-year period. METHODS: Consecutive patients who received laparoscopic CME at our hospital from 2007 to 2017 were prospectively registered and retrospectively analysed. In total, 341 patients were included with tumour-nodal-metastasis (TNM) stages 0 III. RESULTS: The mean age of the patients was 71.9 years. The median length of stay was 5 d. The mean lymph node harvest was 17.8. The mortality rate was 1.2%. Fifteen patients were reoperated on for anastomotic leaks. The local recurrence rate was 2.3%. Five-year TTR and cancer-specific survival CSS were 83.1% and 90.3%. The location of the tumour was not a significant variable for survival in unadjusted and adjusted survival analysis. TNM stage and anastomotic leaks were significant variables with respect to survival. CONCLUSION: Laparoscopic CME results in acceptable complication rates and long-term oncologic results. It is important to avoid anastomotic leaks because of their negative effect on survival. PMID- 29225733 TI - Colorectal surgeon consensus with diverticulitis clinical practice guidelines. AB - AIM: To determine the application of clinical practice guidelines for the current management of diverticulitis and colorectal surgeon specialist consensus in Australia and New Zealand. METHODS: A survey was distributed to 205 colorectal surgeons in Australia and New Zealand, using 22 hypothetical clinical scenarios. RESULTS: The response rate was 102 (50%). For 19 guideline-based scenarios, only 11 (58%) reached consensus (defined as > 70% majority opinion) and agreed with guidelines; while 3 (16%) reached consensus and did not agree with guidelines. The remaining 5 (26%) scenarios showed community equipoise (defined as less than/equal to 70% majority opinion). These included diagnostic imaging where CT scan was contraindicated, management options in the failure of conservative therapy for complicated diverticulitis, surgical management of Hinchey grade 3, proximal extent of resection in sigmoid diverticulitis and use of oral mechanical bowel preparation and antibiotics for an elective colectomy. The consensus areas not agreeing with guidelines were management of simple diverticulitis, management following the failure of conservative therapy in uncomplicated diverticulitis and follow-up after an episode of complicated diverticulitis. Fifty-percent of rural/regional based surgeons would perform an urgent sigmoid colectomy in failed conservative therapy of diverticulitis compared to only 8% of surgeons city-based (Fisher's exact test P = 0.016). In right-sided complicated diverticulitis, a greater number of those in practice for more than ten years would perform an ileocecal resection and ileocolic anastomosis (79% vs 41%, P < 0.0001). CONCLUSION: While there are areas of consensus in diverticulitis management, there are areas of community equipoise for future research, potentially in the form of RCTs. PMID- 29225734 TI - PDRG1 at the interface between intermediary metabolism and oncogenesis. AB - PDRG1 is a small oncogenic protein of 133 residues. In normal human tissues, the p53 and DNA damage-regulated gene 1 (PDRG1) gene exhibits maximal expression in the testis and minimal levels in the liver. Increased expression has been detected in several tumor cells and in response to genotoxic stress. High throughput studies identified the PDRG1 protein in a variety of macromolecular complexes involved in processes that are altered in cancer cells. For example, this oncogene has been found as part of the RNA polymerase II complex, the splicing machinery and nutrient sensing machinery, although its role in these complexes remains unclear. More recently, the PDRG1 protein was found as an interaction target for the catalytic subunits of methionine adenosyltransferases. These enzymes synthesize S-adenosylmethionine, the methyl donor for, among others, epigenetic methylations that occur on the DNA and histones. In fact, downregulation of S-adenosylmethionine synthesis is the first functional effect directly ascribed to PDRG1. The existence of global DNA hypomethylation, together with increased PDRG1 expression, in many tumor cells highlights the importance of this interaction as one of the putative underlying causes for cell transformation. Here, we will review the accumulated knowledge on this oncogene, emphasizing the numerous aspects that remain to be explored. PMID- 29225735 TI - Effects of energy drinks on the cardiovascular system. AB - Throughout the last decade, the use of energy drinks has been increasingly looked upon with caution as potentially dangerous due to their perceived strong concentration of caffeine aside from other substances such as taurine, guarana, and L-carnitine that are largely unknown to the general public. In addition, a large number of energy drink intoxications have been reported all over the world including cases of seizures and arrhythmias. In this paper, we focus on the effect of energy drinks on the cardiovascular system and whether the current ongoing call for the products' sales and regulation of their contents should continue. PMID- 29225736 TI - Randomized study comparing incidence of radial artery occlusion post-percutaneous coronary intervention between two conventional compression devices using a novel air-inflation technique. AB - AIM: To compare post-percutaneous coronary intervention (PCI) radial artery occlusion (RAO) incidence between two conventional radial artery compression devices using a novel air-inflation technique. METHODS: One hundred consecutive patients post-PCI were randomized 1:1 to Safeguard or TR band compression devices. Post-radial sheath removal, each compression device was inflated with additional 2 mL of air above index bleeding point during air-filled device application and gradually down-titrated accordingly. RAO was defined as absence of Doppler flow signal performed at 24 h and at 6 wk post-PCI. Patients with missing data were excluded. Statistical significance was defined as P < 0.05. RESULTS: All patients had 6F radial sheath inserted. No significant differences were observed between Safeguard Radial (n = 42) vs TR band (n = 42) in terms of age (63 +/- 11 years vs 67 +/- 11 years), clinical presentation (electives, n = 18 vs n = 16; acute coronary syndrome, n = 24 vs n = 26) and total procedural heparin (7778 +/- 2704 IU vs 7825 +/- 2450 IU). RAO incidence was not significantly different between groups at 24 h (2% vs 0%, P = 0.32) and 6 wk (0%, both). CONCLUSION: Safeguard Radial and TR band did not demonstrate significant between-group differences in short-term RAO incidence. Lack of evidence of RAO in all post-PCI patients at 6 wk follow-up, regardless of radial compression device indicate advantage of using the novel and pragmatic air-inflation technique. Further work is required to more accurately confirm these findings. PMID- 29225737 TI - Comparison of seldinger and trocar techniques in the percutaneous treatment of hydatid cysts. AB - AIM: To comparatively evaluate Seldinger and Trocar techniques in the percutaneous treatment of hydatid disease. METHODS: Trocar and Seldinger techniques were used for 49 and 56 cysts, respectively, among 106 hydatid cysts in 88 patients. The number of males and females were 22 and 66, respectively with a mean age of 44.9 years (range, 15-87). Follow-up studies included cyst diameter, cyst contents, and morphological changes in the cyst wall, local recurrence, and secondary invasion, using ultrasound, computerized tomography and chest X-rays. RESULTS: The positive criteria of healing were a decrease in cyst diameter, progressive solidification of the cyst contents, and disappearance of the cyst. Local recurrence was defined as an increase in the cyst diameter and contents, and appearance of daughter cysts in the primary cavity, while secondary dissemination was defined as the appearance of new cysts outside the treated cyst. Mean duration of follow-up was 19.23 mo (range, 18-26 mo). Follow-up results demonstrated that no significant differences were present between the Trocar and Seldinger techniques in the percentage of decrease in the cyst volume, rate of early complications, local recurrence and secondary dissemination (P = 0.384, 0.069, 0.215 and 0.533, respectively). CONCLUSION: There are no differences between the Seldinger and Trocar techniques that gain entry to the cyst cavity in terms of the efficacy of the treatment and the rates of early and late complications. PMID- 29225738 TI - Naso-jejunal tube insertion - interface between radiology and endoscopy. AB - A survey was performed to identify the practice associated with endoscopic placement of naso-jejunal (NJ) tubes. We had a total of 236 responses, of which 228 responded to the frequency of requesting X-ray after placing NJ tubes. The responses suggested that there was a strong variation in the practice. The practice was independent on clinicians' area of interest, hospital setting or experience in endoscopy. Currently there are no accepted guidelines on this. Hence, we advise hospitals to have robust local guidelines until there is internationally agreed consensus. PMID- 29225739 TI - Beyond the neonate: how do anesthetics affect the fetal brain? PMID- 29225740 TI - Glycemic control in acute illness. AB - Hyperglycemia is commonly observed in critical illness. A landmark large randomized controlled trial (RCT) reported that the incidence of hyperglycemia (blood glucose concentration > 108 mg/dl) was as high as 97.2% in critically ill patients. During the past two decades, a number of RCTs and several meta-analyses and network meta-analyses have been conducted to determine the optimal target for acute glycemic control. The results of those studies suggest that serum glucose concentration would be better to be maintained between 144 and 180 mg/dl. Although there have been studies showing an association of hypoglycemia with worsened clinical outcomes, a causal link has yet to be confirmed. Nonetheless, some researchers are of the view that the data suggest even mild hypoglycemia should be avoided in critically ill patients. Since acutely ill patients who receive insulin infusion are at a higher risk of hypoglycemia, a reliable devices for measuring blood glucose concentrations, such as an arterial blood gas analyzer, should be used frequently. Acute glycemic control in patients with premorbid hyperglycemia is a novel issue. Available literature suggests that blood glucose concentrations considered to be desirable and/or safe in non diabetic critically ill patients might not be desirable in patients with diabetes. Moreover, the optimal target for acute blood glucose control may be higher in critically ill patients with premorbid hyperglycemia. Further study is required to assess optimal blood glucose control in acutely ill patients with premorbid hyperglycemia. PMID- 29225741 TI - What is the proper ventilation strategy during laparoscopic surgery? AB - The main stream of intraabdominal surgery has changed from laparotomy to laparoscopy, but anesthetic care for laparoscopic surgery is challenging for clinicians, because pneumoperitoneum might aggravate respiratory mechanics and arterial oxygenation. The authors reviewed the literature regarding ventilation strategies that reduce deleterious pulmonary physiologic changes during pneumoperitoneum for laparoscopic surgery under general anesthesia and make appropriate recommendations. PMID- 29225742 TI - Introduction of a pilot study. AB - A pilot study asks whether something can be done, should the researchers proceed with it, and if so, how. However, a pilot study also has a specific design feature; it is conducted on a smaller scale than the main or full-scale study. In other words, the pilot study is important for improvement of the quality and efficiency of the main study. In addition, it is conducted in order to assess the safety of treatment or interventions and recruitment potentials, examine the randomization and blinding process, increase the researchers' experience with the study methods or medicine and interventions, and provide estimates for sample size calculation. This review discusses with a focus on the misconceptions and the ethical aspect of a pilot study. Additionally how to interpret the results of a pilot study is also introduced in this review. PMID- 29225743 TI - Comparison of the clinical performance of the modified Marsh model for propofol between underweight and normal-weight patients with Crohn's disease. AB - Background: The aim of this retrospective study was to compare the clinical performance of the modified Marsh model for propofol between underweight and normal-weight patients with Crohn's disease. Methods: The medical records of 50 patients who underwent elective surgery for Crohn's disease were reviewed retrospectively. Propofol and remifentanil were administered using target effect site concentration (Ce)-controlled infusion with the modified Marsh and Minto models. Target Ce values of propofol were adjusted within a range of 2.5-3 ug/ml to maintain a bispectral index (BIS) value of less than 60 during anesthesia maintenance. Dosages of anesthetic agents administered during surgery were compared between underweight and normal-weight patients. The infusion profiles of patients were applied as inputs to calculate the Ce values in the Schnider model. Results: The total midazolam and remifentanil dosages required for underweight patients were higher than those required for normal-weight patients to maintain BIS values at less than 60 within a target propofol Ce range of 2.5-3 ug/ml. Simulation results suggested that the Schnider model may be an appropriate pharmacokinetic model for target-controlled infusion in underweight patients, as the clearance was consistently higher in the Schnider model than the modified Marsh model, particularly in underweight patients. Conclusions: The modified Marsh model might cause inadvertent propofol underdosing in underweight patients. Future studies are necessary to compare the predictive performance of the modified Marsh and Schnider pharmacokinetic models in underweight patients. PMID- 29225744 TI - A comparison between ketorolac and nefopam as adjuvant analgesics for postoperative patient-controlled analgesia: a randomized, double-blind, prospective study. AB - Background: We compared the analgesic efficacy and side effects of ketorolac and nefopam that were co-administered with fentanyl via intravenous patient controlled analgesia. Methods: One hundred and sixty patients scheduled for laparoscopic cholecystectomy were randomly assigned to ketorolac (Group K) or nefopam (Group N) groups. The anesthetic regimen was standardized for all patients. The analgesic solution contained fentanyl 600 ug and ketorolac 180 mg in Group K, and fentanyl 600 ug and nefopam 120 mg in Group N. The total volume of analgesic solution was 120 ml. Postoperative analgesic consumption, recovery of pulmonary function, and pain intensities at rest and during the forced expiration were evaluated at postoperative 2, 6, 24, and 48 h. The postoperative side effects of analgesics were recorded. Results: Cumulative postoperative analgesic consumptions at postoperative 48 h were comparable (Group K: 93.4 +/- 24.0 ml vs. Group N: 92.9 +/- 26.1 ml, P = 0.906) between the groups. Pain scores at rest and during deep breathing were similar at the time of each examination. The recovery of pulmonary function showed no significant differences between the groups. Overall, postoperative nausea and vomiting incidence was higher in Group N compared with Group K (59% vs. 34%, P = 0.015). The other side effects were comparable between both groups. Conclusions: Analgesic efficacies of ketorolac and nefopam that were co-administered with fentanyl for postoperative pain management as adjuvant analgesics were similar. However, postoperative nausea and vomiting incidence was higher in the nefopam-fentanyl combination compared with the ketorolac-fentanyl combination. PMID- 29225745 TI - Heated wire humidification circuit attenuates the decrease of core temperature during general anesthesia in patients undergoing arthroscopic hip surgery. AB - Background: Intraoperative hypothermia is common in patients undergoing general anesthesia during arthroscopic hip surgery. In the present study, we assessed the effect of heating and humidifying the airway with a heated wire humidification circuit (HHC) to attenuate the decrease of core temperature and prevent hypothermia in patients undergoing arthroscopic hip surgery under general anesthesia. Methods: Fifty-six patients scheduled for arthroscopic hip surgery were randomly assigned to either a control group using a breathing circuit connected with a heat and moisture exchanger (HME) (n = 28) or an HHC group using a heated wire humidification circuit (n = 28). The decrease in core temperature was measured from anesthetic induction and every 15 minutes thereafter using an esophageal stethoscope. Results: Decrease in core temperature from anesthetic induction to 120 minutes after induction was lower in the HHC group (-0.60 +/- 0.27C) compared to the control group (-0.86 +/- 0.29C) (P = 0.001). However, there was no statistically significant difference in the incidence of intraoperative hypothermia or the incidence of shivering in the postanesthetic care unit. Conclusions: The use of HHC may be considered as a method to attenuate intraoperative decrease in core temperature during arthroscopic hip surgery performed under general anesthesia and exceeding 2 hours in duration. PMID- 29225746 TI - Comparison of the impact of applications of Targeted Transfusion Protocol and Massive Transfusion Protocol in trauma patients. AB - Background: The current study assessed a recently developed resuscitation protocol for bleeding trauma patients called the Targeted Transfusion Protocol (TTP) and compared its results with those of the standard Massive Transfusion Protocol (MTP). Methods: Per capita utilization of blood products such as packed red blood cells (RBCs), fresh frozen plasma (FFP), and platelet concentrates was compared along with mortality rates during two 6-month periods, one in 2011 (when the standard MTP was followed) and another in 2014 (when the TTP was used). In the TTP, patients were categorized into three groups based on the presence of head injuries, long bone fractures, or penetrating injuries involving the trunk, extremities, or neck who were resuscitated according to separate algorithms. All cases had experienced motor vehicle accidents and had injury severity scores over 16. Results: No statistically significant differences were observed between the study groups at hospital admission. Per capita utilization of RBC (4.76 +/- 0.92 vs. 3.37 +/- 0.55; P = 0.037), FFP (3.71 +/- 1.00 vs. 2.40 +/- 0.52; P = 0.025), and platelet concentrate (1.18 +/- 0.30 vs. 0.55 +/- 0.18; P = 0.006) blood products were significantly lower in the TTP epoch. Mortality rates were similar between the two study periods (P = 0.74). Conclusions: Introduction of the TTP reduced the requirements for RBCs, FFP, and platelet concentrates in severely injured trauma patients. PMID- 29225747 TI - A prospective randomized controlled double-blind trial to assess the effects of dexmedetomidine during cleft palate surgery. AB - Background: We investigated whether the intraoperative administration of dexmedetomidine would attenuate the profound sympathoadrenal response associated with cleft palate (CP) surgery. Methods: Sixty children aged 6 months to 12 years undergoing CP surgery under general anesthesia were randomly assigned to the control (C) or dexmedetomidine (D) groups. Group C received benzodiazepine (0.05 mg/kg midazolam followed by infusion of normal saline) fentanyl isoflurane anesthesia, and Group D received dexmedetomidine (loading 1 ug/kg followed by infusion of 0.5 ug/kg/h) fentanyl isoflurane anesthesia. Heart rate (HR), mean blood pressure (MBP), intraoperative fentanyl and isoflurane requirements, recovery scores, emergence agitation, pain scores, time and requirement of rescue analgesic, and surgeon satisfaction were noted. Results: Intraoperative HR and MBP in Group D were significantly lower than the corresponding values in Group C (P < 0.001). HR decreased up to 16% in Group D. By contrast, HR increased up to 20% in Group C. Group D had comparable MBP to its baseline, whereas Group C had higher MBP until extubation (P = 0.015). Two children in Group D developed bradycardia and hypotension, which was successfully treated. The fentanyl and isoflurane requirements decreased by 43% and 30%, respectively, in Group D patients compared to those in Group C (P < 0.001). Group D had lower pain scores and less emergence agitation (P < 0.001). Time until requirement of first rescue analgesic was longer in Group D than that in Group C (P < 0.001). Surgeon satisfaction was higher in Group D than that in Group C. Conclusions: Intravenous dexmedetomidine during CP surgery attenuated hemodynamic responses with excellent surgeon satisfaction. Close monitoring of hemodynamics is recommended. PMID- 29225748 TI - Multiple exposures of sevoflurane during pregnancy induces memory impairment in young female offspring mice. AB - Background: Earlier studies have reported conflicting results regarding long-term behavioral consequences after anesthesia during the fetal period. Previous studies also suggest several factors that may explain such conflicting data. Thus, we examined the influence of age and sex on long-term behavioral consequences after multiple sevoflurane exposures during the fetal period. Methods: C57BL/6J pregnant mice received oxygen with or without sevoflurane for 2 hours at gestational day (GD) 14-16. Offspring mice were subjected to behavioral assays for general activity (open field test), learning, and memory (fear chamber test) at postnatal day 30-35. Results: Multiple sevoflurane exposures at GD 14-16 caused significant changes during the fear chamber test in young female offspring mice. Such changes did not occur in young male offspring mice. However, general activity was not affected in both male and female mice. Conclusions: Multiple sevoflurane exposures in the second trimester of pregnancy affects learning and memory only in young female mice. Further studies focusing on diverse cognitive functions in an age-, sex-dependent manner may provide valuable insights regarding anesthesia-induced neurotoxicity. PMID- 29225749 TI - Humble Foley's catheter to the rescue in a case of T-tube insertion: a case report. AB - The Montgomery T-tube poses a challenge to anesthesiologists because of loss of anesthetic gases through the open proximal end of the vertical limb and lack of standard anesthesia circuit connectors. Here, we present a case of a 25-year-old woman with a reported history of accidental strangulation 18 months previously. The patient had a metallic tracheostomy tube in situ due to the development of tracheal stenosis. Computed tomography showed significant narrowing in a 7-8-mm segment, 2 cm proximal to the tracheostomy tube in situ. She was scheduled for tracheal reconstruction surgery and T-tube insertion due to persistent subglottic stenosis. In this case, the Foley's catheter, which was inserted into the glottis orally, not only aided easy insertion of the T-tube into the trachea through the tracheal stoma, but also enabled us to stop the loss of anesthetic gases through the proximal vertical limb of the T-tube. PMID- 29225750 TI - Opioid-free anesthesia using continuous dexmedetomidine and lidocaine infusions in spine surgery. PMID- 29225751 TI - Anesthesia for the deaf and mute. PMID- 29225753 TI - Study of bacterial flora associated with mobile phones of healthcare workers and non-healthcare workers. AB - Background and Objectives: Despite improvements in modern diagnosis and therapies, hospital acquired infections remain a leading problem of global health systems. Healthcare workers mobile phones is a reservoir for potential pathogens. Despite the high possibility of being contaminated, mobile phones are rarely clean and are often touched during or after examination of patients and handling of specimens without proper hand washing. The main objective of the present study was to isolate, identify different types of bacteria and their antibiotic sensitivity from mobile phones of healthcare workers and non-health-care workers. Materials and Methods: Samples were collected aseptically by rolling over the exposed surfaces of the mobile phones inoculated on the agar plates and incubated aerobically. After incubation, plates were examined for growth. Bacteria were identified and antibiotic sensitivity was tested as per standard microbiological procedures. Results: In this study a total of 175 samples were examined, out of which 125 samples were from healthcare workers (HCWs), 50 samples were from non healthcare workers (non-HCWs). Among the mobile phones of HCW's from ICUs, Acinetobacter baumannii (36.84%) was the predominant organism isolated followed by methicillin resistant Staphylococcus aureus (MRSA) (21.05%). Predominant organism isolated from HCW's in operation theater theater was MRSA (46.66%). Out of 50 worker's non-HCWs mobile phones samples cultured, 23 (46.00%) samples yielded growth of six different types of bacteria. Conclusion: Our study reveals that there is definite colonization of bacteria on mobile phones of the HCWs. It is not only capable of transferring message but also disease-producing microbes. In order to reduce incidence of nosocomial infections, there should be implementation of hand washing practices and regulations around the use of mobile telephones in hospital settings. PMID- 29225755 TI - Evaluation of anti-bacterial effects of nickel nanoparticles on biofilm production by Staphylococcus epidermidis. AB - Background and Objectives: Staphylococcus epidermidis produces biofilm by extracellular polysaccharides, causing bacterial adherence to different surfaces. Anti-microbial effects of nickel nanoparticles on some bacterial strains such as S. aureus and Escherichia coli have been determined in limited studies. The aim of the present study is to examine the inhibitory effect of nickel nanoparticles on biofilm formation using clinical isolates of S. epidermidis and its hemolytic effect on human red blood cells. Materials and Methods: Twenty two S. epidermidis isolates were collected and identified by standard microbiological methods. Microtiter plate method was used to determine the biofilm production in bacterial isolates. The amounts of biofilm formation by isolates in the presence of 0.01, 0.05, 0.1, and 1 mg/mL concentrations of nickel nanoparticles were measured. Hemolytic activity of different concentrations of nickel nanoparticles was measured on human RBC suspensions. Results: Twenty isolates were strong, and two isolates were moderate biofilm producers. Biofilm formation significantly decreased in the presence of 0.05, 0.1, and 1 mg/mL of nickel nanoparticles (p<0.05). Although in the presence of 0.01 mg/mL of nickel nanoparticles, decrease in biofilm formation was observed but it was not statistically significant (p=0.448). Slight hemolytic activity was seen in the presence of nickel nanoparticles. Conclusion: In this study, the ability of biofilm production was demonstrated for all clinical isolates of S. epidermidis. On the other hand, the lowering effects of nickel nanoparticles on biofilm formation were observed. PMID- 29225754 TI - Methicillin resistance and selective genetic determinants of Staphylococcus aureus isolates with bovine mastitis milk origin. AB - Background and Objectives: Staphylococcus aureus is one of the major causes of bovine mastitis, which can be transmitted from animals to humans. Methicillin resistant S. aureus (MRSA) isolates are more attentive and if not treated promptly, they can cause death. The aim of this study was to determine the prevalence of methicillin resistance and frequency of selected virulence factors of S. aureus isolates with bovine mastitis milk origin in Ahvaz, southwest of Iran. Materials and Methods: During a two-year period (2014-2015), 75 S. aureus isolates were recovered from referred clinical and sub-clinical bovine mastitis milk samples. The isolates were phenotypically investigated for resistance to cefoxitin by Kirby-Bauer method. DNA were analyzed by PCR for mecA and selected genes that encode the virulence factors. Results: According to the results, the spa, ebpS, fnb, bbp, clfA, clfB, and cna genes were detected in 98.7, 97.3, 97.3, 86.7, 84, 84 and 65.3% of the isolates, respectively. Among the 75 isolates, only one (1.3%) isolate was methicillin-resistant. Totally, 39 isolates (50.7%) had all of these virulence factors except mecA. The results showed that 96% of the isolates had at least the fnb, ebpS and spa genes, signifying the noteworthy role of these genes in the pathogenesis of S. aureus bovine intra-mammary infection in this area. Conclusion: In the present study, the prevalence of mecA was relatively low, possibly indicating that cows do not play a significant role in community-acquired MRSA infection in this area. According to the results, studied virulence factors were somewhat prevalent, bearing in mind the probable risk of transmission of these isolates from cows to humans, especially those that are in close contact with infected cattle. The data presented here can be used for the introduction of a protective vaccine against this infection. PMID- 29225756 TI - Prevalence of Clostridium difficile and its toxigenic genotype in beef samples in west of Iran. AB - Background and Objectives: Clostridium difficile is the leading cause of nosocomial diarrhea and pseudomembranous colitis. The prevalence of C. difficile infection differs in various geographical areas. The aim of this study was to determine the prevalence of C. difficile isolates and the prevalence of cdd3, tcdA and tcdB genes in beef samples in Kermanshah Province. Materials and Methods: One hundred ground beef samples were randomly collected from the butchers of Kermanshah province during March 2014 to March 2015. Following alcohol shock, minced meat samples were incubated in a specific culture medium for 5 to 7 days. The suspicious colonies were analyzed by biochemical tests and frequency of C. difficile and cdd3, tcdA and tcdB genes was assessed by PCR using specific primers. Results: In total, 30% samples were positive for C. difficile and all the isolates harbored Cdd3 gene. Combined dual-gene frequency of A+B+, A B+ and A+B- strains in the positive were 0%, 3.3%, and 26.6% respectively, while 21 samples (70%) were non-toxigenic (A-B-). Conclusion: In this study, the presence of C. difficile in beef as a source of contamination was confirmed. It was also shown that the incidence of C. difficile in ground meat was relatively higher than many other studies. PMID- 29225752 TI - Emerging and re-emerging infectious diseases in Iran. AB - Despite development of preventive and controlling strategies regarding infectious diseases, they are still considered as one of the most significant leading causes of morbidity and mortality, worldwide. Changes in humans' demographics and behaviors, microbial and ecological alterations, agricultural development, international travels and susceptibility to infectious diseases have resulted in increased reports of emerging infectious diseases (EIDs) and reemerging infectious diseases (RIDs) in various geographical areas. Because of the various types of geographic properties in Iran, substantial climatic variability, as well as unstable political situations and poor public health conditions in some of neighboring countries, EIDs and RIDs are serious public health problems; among them, zoonotic and drug resistant diseases are the most significant. Hence, this review provides an overview of the significant bacterial, viral and fungal EIDs and RIDs in Iran regarding their epidemiological aspects. PMID- 29225757 TI - Dengue fever in a south Asian metropolis: a report on 219 cases. AB - Background and Objectives: Yearly epidemics of Dengue fever occur post-monsoon in India's capital, Delhi. A prospective observational study was conducted during the outbreak months to understand the epidemiology and outcome of this infection and its economic impact. Materials and Methods: Febrile hospitalized (n=219) patients with dengue fever diagnosed by a combination of MAC-ELISA, GAC-ELISA and NS1Antigen-ELISA were enrolled. Epidemiologic (including economic) parameters, clinical, radiological and laboratory manifestations were noted and patients followed up over the period of hospital stay. Patient management means and outcome were recorded and analysed. Results: As per WHO-2009, 153 (69.9%) and 27 (12.3%) patients were classified as dengue with warning signs and Severe Dengue respectively while according to WHO-1997 guidelines 39 (17.8%) and 18 (8.2%) patients were classified as DHF and DSS respectively. 216 patients were from the city while three were travellers; hospitalization was more frequent among the young and male gender. Fever, vomiting, aches and abdominal pain were the most common troublesome manifestations; classical dengue triad was present in 55 (25.1%) patients; hemorrhagic, neurologic and mucocutaneous manifestations were present in 44 (20.1%), 8 (3.7%) and 70 (32%) patients. Ascitis, pleural effusion, and Gall bladder wall oedema was found in 53 (24.2%), 31 (14.1%) and 45 (20.5%) patients respectively. Mortality was 1.4% (3 deaths); in addition there was an intra-uterine fetal death; mean expenditure per patient during the illness was US$ 377.25. Conclusion: Dengue virus infection results in immense morbidity and substantial mortality. PMID- 29225758 TI - An in-vitro transcription assay for development of Rotavirus VP7. AB - Background and Objectives: Human rotavirus (RV) is responsible for most cases of acute gastroenteritis in infants, worldwide. Today, in vitro transcription (IVT) assay is widely used to develop efficient RNA for the biological experiments such as gene function analysis and reverse genetics. The aim of this study was to develop optimal full-length transcripts of the VP7 segment, using in vitro transcription assay. Materials and Methods: Special primers were designed in order to synthesize VP7 sequence of sense RNA in the process of IVT using T7 RNA polymerase. RT-PCR was performed using forward and reverse primers, containing T7 promoter sequence and BstUI restriction enzyme site, respectively. In order to synthesize ssRNA VP7, in accordance with the IVT technique, RV4-VP7 fragment was subcloned into PTZ57 R/T plasmid and digested by BstUI enzyme. Results: The sequencing of the VP7 gene showed 99% identity withVP7 gene of rotavirus RV4 strain (Sequence ID: M64666.1). The analysis of purity of DNA fragment and ssRNA VP7 segment revealed that OD ratio of A260/A280 and quantity of nucleic acids were (1.9, 0.036 MUg/MUL) and (2.02, 0.98 MUg/MUL), respectively. Conclusion: In the present study, a modified methodology of RNA synthetase was described by IVT assay, using T7RNA polymerase in order to transcribe the full-length transcripts of human VP7-RV4 strain. This method is applicable for reverse genetic approaches, especially for the production of reassortant RV vaccine. PMID- 29225759 TI - Seroprevalence of hepatitis B, C and D viral among hemodialysis patients in Tehran. AB - Background and Objectives: Different studies show that the prevalence of hepatitis viruses in hemodialysis (HD) patients is much greater than general population. It is important to be aware of local prevalence data, in order to control infections and prevention of nosocomial transmission. The aim of this cross-sectional study was to investigate the seroprevalence of hepatitis B, C, and D viral infections among HD patients. Materials and Methods: During 2016, a cross-sectional study was conducted in Tehran, among 360 HD patients from 5 hemodialysis centers. All HBsAg positive subjects were screened for Hepatitis B surface Ag (HBsAg), Hepatitis C virus Ab (HCVAb) and Hepatitis D virus antibody (HDVAb), using specific enzyme linked immunoassay. Results: 360 patients were involved including 213 males (59.17%) and 147 females (40.83%). The mean age in current study was 53.43 years. HBV positive (HBsAg positive) was found in 1.39% of patients, HCVAb in 3.06%, whereas no HDV positive patient was diagnosed. In HD, duration of 1-5 years has the highest frequency rate. Conclusion: Prevalence of HBV, HCV and HDV in hemodialysis patients seems low in Tehran province. Due to higher prevalence of HCV, it is recommended to check the patients for anti-HCV Ab before admission to the centers. PMID- 29225760 TI - Irritable bowel syndrome subtype screening characteristics: constipation subtype patient profiles explored. AB - Irritable bowel syndrome (IBS), a chronic disorder, greatly impacts the lives of those affected. Approximately one quarter of the North American population suffers from this condition that includes abdominal pain, discomfort and alterations in normal bowel function. Constipation-subtype IBS (IBS-C) is often found to be a prevalent subtype; however, a lack of knowledge and effective treatment options remains surrounding this disorder. In the course of an ongoing study conducted by our research team on the use of acupuncture and moxibustion in the management of IBS symptoms, a considerable number of screened patients havemet the widely accepted Rome III criteria for IBS-C. PMID- 29225761 TI - The potential role of hybridization in diversification and speciation in an insular plant lineage: insights from synthetic interspecific hybrids. AB - Hybridization is recognized as an important process in plant evolution, and this may be particularly true for island plants where several biotic and abiotic factors facilitate interspecific hybridization. Although rarely done, experimental studies could provide insights into the potential of natural hybridization to generate diversity when species come into contact in the dynamic island setting. The potential of hybridization to generate morphological variation was analysed within and among 12 families (inbred lines) of an F4 hybrid generation between two species of Tolpis endemic to the Canary Islands. Combinations of characters not seen in the parents were present in hybrids. Several floral and vegetative characters were transgressive relative to their parents. Morphometric studies of floral, vegetative and fruit characters revealed that several F4 families were phenotypically distinct from other families, and from their parents. The study demonstrates that morphologically distinct pollen fertile lines, potentially worthy of taxonomic recognition if occurring in nature, can be generated in four generations. The ability of the hybrid lines to set self-seed would reduce gene flow among the lines, and among the hybrids and their parental species. Selfing would also facilitate the fixation of characters within each of the lines. Overall, the results show the considerable potential of hybridization for generating diversity and distinct phenotypes in island lineages. PMID- 29225763 TI - Dispersal and establishment of vascular epiphytes in human-modified landscapes. AB - The ongoing destruction of old-growth forests puts tropical forest species under great pressure because of the resulting habitat loss. A pre-requisite for the maintenance of a viable metacommunity in a fragmented landscape is the connectivity between habitable patches. We experimentally studied four vital steps of epiphyte dispersal in different habitat types in western Panama. (i) Seed falling velocity (Vterm) is known to correlate with long-distance dispersal via convective updraft. All measured Vterm of bromeliad and orchid seeds fell into a range of velocities with a high chance of long-distance dispersal. (ii) We quantified attachment success of bromeliad seeds as a function of bark rugosity with >30 common tree species in the region. Even fine bark structure allowed effective attachment. (iii and iv) Successful establishment is achieved when a seed germinates and a plantlet grows and survives. Germination success and early establishment of four bromeliad species did not differ between isolated trees, teak plantations or secondary forest patches. Microclimatic differences between habitat types were marginal and neither germination nor establishment correlated significantly with annual precipitation. The findings suggest a large capacity for dispersal and successful early establishment for these anemochorous species. A potentially regenerating forest may receive considerable input from sources such as pasture trees and in this way gain structural complexity, which also greatly enhances its value for other forest organisms. PMID- 29225762 TI - Functional role of long-lived flowers in preventing pollen limitation in a high elevation outcrossing species. AB - Low pollinator visitation in harsh environments may lead to pollen limitation which can threaten population persistence. Consequently, avoidance of pollen limitation is expected in outcrossing species subjected to habitually low pollinator service. The elevational decline in visitation rates on many high mountains provides an outstanding opportunity for addressing this question. According to a recent meta-analysis, levels of pollen limitation in alpine and lowland species do not differ. If parallel trends are manifested among populations of alpine species with wide elevational ranges, how do their uppermost populations contend with lower visitation? We investigated visitation rates and pollen limitation in high Andean Rhodolirium montanum. We test the hypothesis that lower visitation rates at high elevations are compensated for by the possession of long-lived flowers. Visitation rates decreased markedly over elevation as temperature decreased. Pollen limitation was absent at the low elevation site but did occur at the high elevation site. While initiation of stigmatic pollen deposition at high elevations was not delayed, rates of pollen arrival were lower, and cessation of pollination, as reflected by realized flower longevity, occurred later in the flower lifespan. Comparison of the elevational visitation decline and levels of pollen limitation indicates that flower longevity partially compensates for the lower visitation rates at high elevation. The functional role of flower longevity, however, was strongly masked by qualitative pollen limitation arising from higher abortion levels attributable to transference of genetically low-quality pollen in large clones. Stronger clonal growth at high elevations could counterbalance the negative fitness consequences of residual pollen limitation due to low visitation rates and/or difficult establishment under colder conditions. Visitation rates on the lower part of the elevational range greatly exceeded community rates recorded several decades ago when the planet was cooler. Current pollen limitation for some species in some habitats might underestimate historical levels. PMID- 29225764 TI - Sodium chloride accumulation in glycophyte plants with cyanobacterial symbionts. AB - The majority of plant species are glycophytes and are not salt-tolerant and maintain low sodium levels within their tissues; if. high tissue sodium concentrations do occur, it is in response to elevated environmental salt levels. Here we report an apparently novel and taxonomically diverse grouping of plants that continuously maintain high tissue sodium contents and share the rare feature of possessing symbiotic cyanobacteria. Leaves of Gunnera magellanica in Tierra del Fuego always had sodium contents (dry weight basis) of around 4.26 g kg-1, about 20 times greater than measured in other higher plants in the community (0.29 g kg-1). Potassium and chloride levels were also elevated. This was not a response to soil sodium and chloride levels as these were low at all sites. High sodium contents were also confirmed in G. magellanica from several other sites in Tierra del Fuego, in plants taken to, and cultivated in Madrid for 2 years at low soil salt conditions, and also in other free living or cultivated species of Gunnera from the UK and New Zealand. Gunnera species are the only angiosperms that possess cyanobacterial symbionts so we analysed other plants that have this rather rare symbiosis, all being glycophytes. Samples of Azolla, a floating aquatic fern, from Europe and New Zealand all had even higher sodium levels than Gunnera. Roots of the gymnosperm Cycas revoluta had lower sodium contents (2.52 +/- 0.34 g kg-1) but still higher than the non-symbiotic glycophytes. The overaccumulation of salt even when it is at low levels in the environment appears to be linked to the possession of a cyanobacterial symbiosis although the actual functional basis is unclear. PMID- 29225765 TI - Perspective Space as a Model for Distance and Size Perception. AB - In the literature, perspective space has been introduced as a model of visual space. Perspective space is grounded on the perspective nature of visual space during both binocular and monocular vision. A single parameter, that is, the distance of the vanishing point, transforms the geometry of physical space into that of perspective space. The perspective-space model predicts perceived angles, distances, and sizes. The model is compared with other models for distance and size perception. Perspective space predicts that perceived distance and size as a function of physical distance are described by hyperbolic functions. Alternatively, power functions have been widely used to describe perceived distance and size. Comparison of power and hyperbolic functions shows that both functions are equivalent within the range of distances that have been judged in experiments. Two models describing perceived distance on the ground plane appear to be equivalent with the perspective-space model too. The conclusion is that perspective space unifies a number of models of distance and size perception. PMID- 29225766 TI - On the Discovery of Monocular Rivalry by Tscherning in 1898: Translation and Review. AB - Monocular rivalry was named by Breese in 1899. He made prolonged observation of superimposed orthogonal gratings; they fluctuated in clarity with either one or the other grating occasionally being visible alone. A year earlier, Tscherning observed similar fluctuations with a grid of vertical and horizontal lines and with other stimuli; we draw attention to his prior account. Monocular rivalry has since been shown to occur with a wide variety of superimposed patterns with several independent rediscoveries of it. We also argue that Helmholtz described some phenomenon other than monocular rivalry in 1867. PMID- 29225767 TI - Pink Cricket Balls Through Rose-Tinted Glasses: Enhancing Interceptive Timing. AB - Cricket is a popular but potentially dangerous sport. It is played with a hard ball that can travel at great speeds. Serious injuries, including fatalities, have occurred when balls have struck participants. The game is traditionally played during daylight with a dark red ball, but recent games have been played during the day and at night using a 'pink' ball. We have reported data that seemed to justify concerns raised regarding the visibility of these new pink balls, as they were revealed to have a very low luminance contrast against pertinent backgrounds during twilight. Here, we report on the findings of a psychophysical experiment, wherein we mimicked twilight lighting conditions in an interceptive timing experiment using a pink moving disc as an analogue for pink cricket balls. We show that interceptive timing performance is diminished in conditions that mimic twilight. More importantly, we show that wearing glasses with a rose-tinted filter can alleviate this adverse impact by enhancing the luminance contrast of the pink 'ball' relative to pertinent backgrounds. PMID- 29225768 TI - About Face: Matching Unfamiliar Faces Across Rotations of View and Lighting. AB - Matching the identities of unfamiliar faces is heavily influenced by variations in their images. Changes to viewpoint and lighting direction during face perception are commonplace across yaw and pitch axes and can result in dramatic image differences. We report two experiments that, for the first time, factorially investigate the combined effects of lighting and view angle on matching performance for unfamiliar faces. The use of three-dimensional head models allowed control of both lighting and viewpoint. We found viewpoint effects in the yaw axis with little to no effect of lighting. However, for rotations about the pitch axis, there were both viewpoint and lighting effects and these interacted where lighting effects were found only for front views and views from below. The pattern of effects was similar regardless of whether view variation occurred as a result of head (Experiment 1) or camera (Experiment 2) suggesting that face matching is not purely image based. Along with face inversion effects in Experiment 1, the results of this study suggest that face perception is based on shape and surface information and draws on implicit knowledge of upright faces and ecological (top) lighting conditions. PMID- 29225769 TI - Fabrication of low-cost micropatterned polydimethyl-siloxane scaffolds to organise cells in a variety of two-dimensioanl biomimetic arrangements for lab-on chip culture platforms. AB - We present the rapid-prototyping of type I collagen micropatterns on poly dimethylsiloxane substrates for the biomimetic confinement of cells using the combination of a surface oxidation treatment and 3-aminopropyl triethoxysilane silanisation followed by glutaraldehyde crosslinking. The aim of surface treatment is to stabilise microcontact printing transfer of this natural extracellular matrix protein that usually wears out easily from poly dimethylsiloxane, which is not suitable for biomimetic cell culture platforms and lab-on-chip applications. A low-cost CD-DVD laser was used to etch biomimetic micropatterns into acrylic sheets that were in turn replicated to poly dimethylsiloxane slabs with the desired features. These stamps were finally inked with type I collagen for microcontact printing transfer on the culture substrates in a simple manner. Human hepatoma cells (HepG2) and rat primary hepatocytes, which do not adhere to bare poly-dimethylsiloxane, were successfully seeded and showed optimal adhesion and survival on simple protein micropatterns with a hepatic cord geometry in order to validate our technique. HepG2 cells also proliferated on the stamps. Soft and stiff poly-dimethylsiloxane layers were also tested to demonstrate that our cost-effective process is compatible with biomimetic organ-on-chip technology integrating tunable stiffness with a potential application to drug testing probes development where such cells are commonly used. PMID- 29225770 TI - Sex determination mode does not affect body or genital development of the central bearded dragon (Pogona vitticeps). AB - Background: The development of male- or female-specific phenotypes in squamates is typically controlled by either temperature-dependent sex determination (TSD) or chromosome-based genetic sex determination (GSD). However, while sex determination is a major switch in individual phenotypic development, it is unknownhow evolutionary transitions between GSD and TSD might impact on the evolution of squamate phenotypes, particularly the fast-evolving and diverse genitalia. Here, we take the unique opportunity of studying the impact of both sex determination mechanisms on the embryological development of the central bearded dragon (Pogona vitticeps). This is possible because of the transitional sex determination system of this species, in which genetically male individuals reverse sex at high incubation temperatures. This can trigger the evolutionary transition of GSD to TSD in a single generation, making P. vitticeps an ideal model organism for comparing the effects of both sex determination processes in the same species. Results: We conducted four incubation experiments on 265 P. vitticeps eggs, covering two temperature regimes ("normal" at 28 degrees C and "sex reversing" at 36 degrees C) and the two maternal sexual genotypes (concordant ZW females or sex-reversed ZZ females). From this, we provide the first detailed staging system for the species, with a focus on genital and limb development. This was augmented by a new sex chromosome identification methodology for P. vitticeps that is non-destructive to the embryo. We found a strong correlation between embryo age and embryo stage. Aside from faster growth in 36 degrees C treatments, body and external genital development was entirely unperturbed by temperature, sex reversal or maternal sexual genotype. Unexpectedly, all females developed hemipenes (the genital phenotype of adult male P. vitticeps), which regress close to hatching. Conclusions: The tight correlation between embryo age and embryo stage allows the precise targeting of specific developmental periods in the emerging field of molecular research on P. vitticeps. The stability of genital development in all treatments suggests that the two sex-determining mechanisms have little impact on genital evolution, despite their known role in triggering genital development. Hemipenis retention in developing female P. vitticeps, together with frequent occurrences of hemipenis-like structures during development in other squamate species, raises the possibility of a bias towards hemipenis formation in the ancestral developmental programme for squamate genitalia. PMID- 29225771 TI - Methylation mediated Gadd45beta enhanced the chemosensitivity of hepatocellular carcinoma by inhibiting the stemness of liver cancer cells. AB - Background: Defects of the growth arrest DNA damage-inducible gene 45beta (Gadd45beta) play an important role in the progression of tumor and confer resistance to chemotherapy. However, the role of Gadd45beta in the apoptosis of hepatocellular carcinoma is still not clear. Purpose of this study was to explore the effect of Gadd45beta on the apoptosis of liver cancer cells, and the possible mechanism was examined. Result: In this study, we first confirmed the decreased expression of Gadd45beta in human liver cancer tissues and human liver cancer cell lines, when compared to the peri-tumor liver tissue and normal liver cells. And, it was found that Gadd45beta could inhibit the stemness of liver cancer cells, enhancing the apoptosis of cancer cells induced by chemotherapy. Furthermore, the results showed that HCC tissues and cell lines showed a higher methylation status in Gadd45beta promoter than that in peri-tumor tissues and normal liver cells. Methylation was then reversed by pretreatment of SMMC-7721 and Hep-3B with 5-azacytidine which is the DNA methyltransferase inhibitor. And the 5-azacytidine decreased the stemness of SMMC-7721 and Hep-3B, enhanced the sensitivity of SMMC-7721 and Hep-3B to cisplatin. Conclusions: Methylation mediated Gadd45beta expression inhibited the stemness of liver cancer cells, promoting the chemotherapy-induced apoptosis. Thus Gadd45beta may be the potential target for enhancing the chemosensitivity of human hepatocellular carcinoma. PMID- 29225772 TI - Long non-coding RNA GAS5 suppresses pancreatic cancer metastasis through modulating miR-32-5p/PTEN axis. AB - Background: Long non-coding RNA growth arrest-specific transcript 5 (lncRNA GAS5) is a well-known tumor suppressor in the pathogenesis of a variety of human cancers. The precise role of GAS5 in pancreatic cancer (PC) progression is currently unknown, so the aim of this study was to explore the functional participation of GAS5 in PC metastasis. Methods: The expression changes of GAS5, miR-32-5p and PTEN in human PC specimens and cell lines were compared by means of molecular biology methods. Transfection of the recombinant plasmid was applied to modulate the expression levels of the target genes. RIP and RNA pull-down assays were designed to investigate the interaction between GAS5 and miR-32-5p. The effect of GAS5 and miR-32-5p on PC progression was assessed with cell proliferation, migration, invasion and apoptosis in vitro. Results: GAS5 and PTEN protein were decreased in human PC tissues and cells, but miR-32-5p was increased. GAS5 induction greatly inhibited the proliferation, migration and invasion of PC cells PANC-1 and BxPC-3 in vitro and simultaneously induced cell apoptosis. Moreover, GAS5 positively regulated the expression of PTEN through miR 32-5p. Furthermore, GAS5 suppressed the proliferation, migration and invasion of PC cells through regulating miR-32-5p/PTEN axis. Additionally, this finding was further supported by the results of in vivo experiments. Conclusion: GAS5 could positively regulate PTEN-induced tumor-suppressor pathway via miR-32-5p, thereby suppressing PC metastasis. PMID- 29225774 TI - First record of the Ligia baudiniana species complex in the American Gulf of Mexico Coastline, as confirmed by morphological and molecular approaches. AB - Ligia isopods exhibit a constrained morphology that makes identification difficult. In the Greater Caribbean, a convoluted taxonomic history has left the distributional limits of Ligia baudiniana unclear. To date, no confirmed records of this species exist from the American Gulf of Mexico. Herein, we report the presence of L. baudiniana in Sarasota-Manatee Florida, as confirmed by morphological and molecular approaches. This is the first record of this species in the region and a ~300Km extension of its range. Specimens were collected in mangroves, underscoring the importance of protecting these habitats. PMID- 29225773 TI - Is there a sex-shift in prevalence of allergic rhinitis and comorbid asthma from childhood to adulthood? A meta-analysis. AB - Background: Allergic rhinitis and asthma as single entities affect more boys than girls in childhood but more females in adulthood. However, it is unclear if this prevalence sex-shift also occurs in allergic rhinitis and concurrent asthma. Thus, our aim was to compare sex-specific differences in the prevalence of coexisting allergic rhinitis and asthma in childhood, adolescence and adulthood. Methods: Post-hoc analysis of systematic review with meta-analysis concerning sex specific prevalence of allergic rhinitis. Using random-effects meta-analysis, we assessed male-female ratios for coexisting allergic rhinitis and asthma in children (0-10 years), adolescents (11-17) and adults (> 17). Electronic searches were performed using MEDLINE and EMBASE for the time period 2000-2014. We included population-based observational studies, reporting coexisting allergic rhinitis and asthma as outcome stratified by sex. We excluded non-original or non population-based studies, studies with only male or female participants or selective patient collectives. Results: From a total of 6539 citations, 10 studies with a total of 93,483 participants met the inclusion criteria. The male female ratios (95% CI) for coexisting allergic rhinitis and asthma were 1.65 (1.52; 1.78) in children (N = 6 studies), 0.61 (0.51; 0.72) in adolescents (N = 2) and 1.03 (0.79; 1.35) in adults (N = 2). Male-female ratios for allergic rhinitis only were 1.25 (1.19; 1.32, N = 5) in children, 0.80 (0.71; 0.89, N = 2) in adolescents and 0.98 (0.74; 1.30, N = 2) in adults, respectively. Conclusions: The prevalence of coexisting allergic rhinitis and asthma shows a clear male predominance in childhood and seems to switch to a female predominance in adolescents. This switch was less pronounced for allergic rhinitis only. PMID- 29225775 TI - Fibromax-based nonalcoholic fatty liver disease in chronic obstructive pulmonary disease patients with obstructive sleep apnea: Methodological considerations. AB - The relationship between nonalcoholic fatty liver disease (NAFLD) and obstructive sleep apnea (OSA) has been well demonstrated, but remains to be evidenced in chronic obstructive pulmonary disease (COPD). Recently, Viglino et al. (Eur Respir J, 2017) attempted to determine the prevalence of liver fibrosis, steatosis and nonalcoholic steatohepatitis (NASH) in COPD patients, some of whom had OSA, basing the NAFLD diagnostic on three circulating biomarker-based liver scores: the FibroTest, SteatoTest and NashTest, from the Fibromax(r) panel. Among the main findings, the absence of OSA treatment emerged as independently associated with liver fibrosis and steatosis, when compared to effective treatment. However, besides the low number of treated patients, no polysomnographic respiratory data was provided, making it difficult to differentiate the impact of OSA from that of COPD in NAFLD prevalence. Furthermore, NAFLD diagnosis relied exclusively on circulating biomarker-based liver scores, without histological, imagery or other liver exploratory methods. Therefore, in this article, some methodological points are reminded and discussed, including the choice of OSA measurements, and the significance of ActiTest and AshTest scores from Fibromax(r) in this pathophysiological context. PMID- 29225777 TI - Evaluation of electrochemiluminescence immunoassays for immunosuppressive drugs on the Roche cobas e411 analyzer. AB - Background: Therapeutic drug monitoring of immunosuppressant drugs are used to monitor drug efficacy and toxicity and to prevent organ transplantation rejection. This study evaluates the analytical performance of semi-automated electrochemiluminescence immunoassays (ECLIA) for cyclosporine (CSA), tacrolimus (TAC) and sirolimus (SRL) on the Roche cobas e 411 analyzer at a major transplant hospital to identify method suitability and limitations. Methods: Residual whole blood samples from patients undergoing immunosuppressant therapy were used for evaluation. Experiments included imprecision, linearity, functional sensitivity, method comparisons and lot-to-lot assessments. Results: Total imprecision ranged from 3.3 to 7.1% for CSA, 3.9 to 9.4% for TAC, and 4.6 to 8.2% for SRL. Linearity was verified from 30.0 to 960.9 MUg/L for CSA, from 1.1 to 27.1 MUg/L for TAC, and from 0.5 to 32.3 ug/L for SRL. The functional sensitivity met the manufacturer's claims and was determined to be <6.5 MUg/L for CSA, 1.1 MUg/L for TAC, and <0.1 ug/L for SRL (CV<=20%). Deming regression analysis of method comparisons with the ARCHITECT immunoassay yielded slopes of 0.917 (95%CI: 0.885 0.949) and r of 0.985 for CSA, 0.938 (95%CI: 0.895-0.981) and r of 0.974 for TAC, and 0.842 (0.810-1.110) and r of 0.982 for SRL. Deming regression analysis of comparisons with the LC-MS/MS method yielded slopes of 1.331 (95%CI: 1.167-1.496) and r of 0.969 for CSA, 0.924 (95%CI: 0.843-1.005) and r of 0.984 for TAC, and 0.971 (95%CI: 0.913-1.030) and r of 0.993 for SRL. Conclusions: The cobas e 411 ECLIA for CSA, TAC, and SRL have acceptable precision, linearity, and functional sensitivity. The method comparisons correlated well with the ARCHITECT immunoassay and LC-MS/MS and is fit for therapeutic drug monitoring. PMID- 29225780 TI - The decision to delivery interval in emergency caesarean sections: Impact of anaesthetic technique and work shift. AB - Background: One important task of the emergency anaesthesia service is to provide rapid, safe and effective anaesthesia for emergency caesarean sections (ECS). A Decision to Delivery Interval (DDI) <30 minutes for ECS is a quality indicator for this service. The aim of this study was to assess the DDI and the impact of chosen anaesthetic technique (general anaesthesia (GA), spinal anaesthesia (SPA) with opioid supplementation, or "top-up" of labour epidural analgesia (tEDA) with local anaesthesia and fentanyl mixture) and work shift for ECS at Danderyds Hospital, Sweden. Methods: A retrospective chart review of ECS at Danderyds Hospital was performed between January and October 2016. Time between decision for CS, start of anaesthesia, time for incision and delivery, type of anaesthetic technique, and time of day, working hours or on call and day of week, Monday - Friday, and weekend was compiled and analysed. Time events are presented as mean +/- standard deviation. Non-parametric tests were used. Results: In total, 135 ECS were analysed: 92% of the cases were delivered within 30 minutes and mean DDI for all cases was 17.3+/-8.1 minutes. GA shortened the DDI by 10 and 13 minutes compared to SPA and tEDA (p<0.0005). DDI for SPA and tEDA did not differ. There was no difference in DDI regarding time of day or weekday. Apgar <7 at 5' was more commonly seen in ECS having GA (11 out of 64) compared to SPA (2/30) and tEDA (1/41) (p<0.05). Conclusion: GA shortens the DDI for ECS, but the use of SPA as well as tEDA with opioid supplementation maintains a short DDI and should be considered when time allows. Top-up epidural did not prolong the DDI compared to SPA. The day of week or time of ECS had no influence on the anaesthesia service as measured by the DDI. PMID- 29225779 TI - Risk of solid cancer in patients with mast cell activation syndrome: Results from Germany and USA. AB - Background: It has been shown repeatedly that mast cells can promote or prevent cancer development and growth. If development and/or progression of a solid cancer is substantially influenced by mast cell activity, the frequencies of occurrence of solid cancers in patients with primary mast cells disorders would be expected to differ from the corresponding prevalence data in the general population. In fact, a recent study demonstrated that patients with systemic mastocytosis (i.e., a rare neoplastic variant of the primary mast cell activation disease) have increased risk for solid cancers, in particular melanoma and non melanoma skin cancers. The aim of the present study is to examine whether the risk of solid cancer is increased in systemic mast cell activation syndrome (MCAS), the common systemic variant of mast cell activation disease. Methods: In the present descriptive study, we have analysed a large (n=828) patient group with MCAS, consisting of cohorts from Germany and the USA, for occurrence of solid forms of cancer and compared the frequencies of the different cancers with corresponding prevalence data for German and U.S. general populations. Results: Sixty-eight of the 828 MCAS patients (46 female, 22 male) had developed a solid tumor before the diagnosis of MCAS was made. Comparison of the frequencies of the malignancies in the MCAS patients with their prevalence in the general population revealed a significantly increased prevalence for melanoma and cancers of the breast, cervix uteri, ovary, lung, and thyroid in MCAS patients. Conclusions: Our data support the view that mast cells may promote development of certain malignant tumors. These findings indicate a need for increased surveillance of certain types of cancer in MCAS patients irrespective of its individual clinical presentation. PMID- 29225778 TI - Zika virus reservoirs: Implications for transmission, future outbreaks, drug and vaccine development. AB - Zika virus (ZIKV) was recently declared as a 'Global Health Emergency' by the World Health Organization. Various tissue reservoirs of ZIKV in infected humans and animals models have been observed, the implications of which are not known. Compared to other Flaviviruses, sexual transmission and persistence in the genitourinary tract seem to be unique to ZIKV. ZIKV persistence and shedding in bodily secretions (e.g. saliva, semen) is a concern for potential disease spread and could pose challenges in diagnosis, regulatory guidelines and drug/vaccine development. Murine and non-human primate models could be useful to study the role of tissue reservoirs in the development of prophylactic or therapeutic strategies. There is a need for meta-analysis of the ZIKV infection and virus shedding data from infected patients and ZIKV animal models, and additional research is needed to fully comprehend the long term implications of tissue reservoirs on ZIKV disease pathogenesis and biology. PMID- 29225776 TI - The sedentary (r)evolution: Have we lost our metabolic flexibility? AB - During the course of evolution, up until the agricultural revolution, environmental fluctuations forced the human species to develop a flexible metabolism in order to adapt its energy needs to various climate, seasonal and vegetation conditions. Metabolic flexibility safeguarded human survival independent of food availability. In modern times, humans switched their primal lifestyle towards a constant availability of energy-dense, yet often nutrient deficient, foods, persistent psycho-emotional stressors and a lack of exercise. As a result, humans progressively gain metabolic disorders, such as the metabolic syndrome, type 2 diabetes, non-alcoholic fatty liver disease, certain types of cancer, cardiovascular disease and Alzheimer's disease, wherever the sedentary lifestyle spreads in the world. For more than 2.5 million years, our capability to store fat for times of food shortage was an outstanding survival advantage. Nowadays, the same survival strategy in a completely altered surrounding is responsible for a constant accumulation of body fat. In this article, we argue that the metabolic epidemic is largely based on a deficit in metabolic flexibility. We hypothesize that the modern energetic inflexibility, typically displayed by symptoms of neuroglycopenia, can be reversed by re-cultivating suppressed metabolic programs, which became obsolete in an affluent environment, particularly the ability to easily switch to ketone body and fat oxidation. In a simplified model, the basic metabolic programs of humans' primal hunter-gatherer lifestyle are opposed to the current sedentary lifestyle. Those metabolic programs, which are chronically neglected in modern surroundings, are identified and conclusions for the prevention of chronic metabolic diseases are drawn. PMID- 29225781 TI - LSD1, a double-edged sword, confers dynamic chromatin regulation but commonly promotes aberrant cell growth. AB - Histone-modifying enzymes play a critical role in chromatin remodeling and are essential for influencing several genome processes such as gene expression and DNA repair, replication, and recombination. The discovery of lysine-specific demethylase 1 (LSD1), the first identified histone demethylase, dramatically revolutionized research in the field of epigenetics. LSD1 plays a pivotal role in a wide range of biological operations, including development, cellular differentiation, embryonic pluripotency, and disease (for example, cancer). This mini-review focuses on the role of LSD1 in chromatin regulatory complexes, its involvement in epigenetic changes throughout development, and its importance in physiological and pathological processes. PMID- 29225783 TI - A study on the efficacy of APACHE-IV for predicting mortality and length of stay in an intensive care unit in Iran. AB - Background: Clinical assessment of disease severity is an important part of medical practice for prediction of mortality and morbidity in Intensive Care Unit (ICU). A disease severity scoring system can be used as guidance for clinicians for objective assessment of disease outcomes and estimation of the chance of recovery. This study aimed to evaluate the hypothesis that the mortality and length of stay in emergency ICUs predicted by APACHE-IV is different to the real rates of mortality and length of stay observed in our emergency ICU in Iran. Methods: This was a retrospective cohort study conducted on the data of 839 consecutive patients admitted to the emergency ICU of Nemazi Hospital, Shiraz, Iran, during 2012-2015. The relevant variables were used to calculate APACHE-IV. Length of stay and death or discharge, Glasgow coma score, and acute physiology score were also evaluated. Moreover, the accuracy of APACHE-IV for mortality was assessed using area under the Receiver Operator Characteristic (ROC) curve. Results: Of the studied patients, 157 died and 682 were discharged (non-survivors and survivors, respectively). The length of stay in the ICU was 10.98+/-14.60, 10.22 +/- 14.21 and 14.30+/-15.80 days for all patients, survivors, and non survivors, respectively. The results showed that APACHE-IV model underestimated length of stay in our emergency ICU (p<0.001). In addition, the overall observed mortality was 17.8%, while the predicted mortality by APACHE-IV model was 21%. Therefore, there was an overestimation of predicted mortality by APACHE-IV model, with an absolute difference of 3.2% (p=0.036). Conclusion: The findings showed that APACHE-IV was a poor predictor of length of stay and mortality rate in emergency ICU. Therefore, specific models based on big sample sizes of Iranian patients are required to improve accuracy of predictions. PMID- 29225782 TI - Update on GH therapy in adults. AB - Over the last three decades, short- and long-term observational studies, clinical trials, systematic reviews, and meta-analyses have provided relevant information on the efficacy and safety of growth hormone (GH) replacement therapy in adults with GH deficiency (AGHD). The knowledge acquired during this time has been compiled into different guidelines that offer clinicians an evidence-based, practical approach for the management of AGHD. There are, however, still open questions in some key areas in which recommendations are supported by only moderate or weak evidence. In the last recent years, the development of long acting GH preparations has created new therapeutic possibilities by decreasing injection frequency, improving adherence and thereby potentially maximizing clinical outcomes. The aims of this review are to advance our understanding on the diagnosis and treatment of AGHD and to present an update and future perspectives on the use of long-acting GH preparations. PMID- 29225784 TI - Diagnosing alpha-1 antitrypsin deficiency: the first step in precision medicine. AB - Severe alpha-1 antitrypsin (AAT) deficiency is one of the most common serious genetic diseases in adults of European descent. Individuals with AAT deficiency have a greatly increased risk for emphysema and liver disease. Other manifestations include bronchiectasis, necrotizing panniculitis and granulomatosis with polyangiitis. Despite the frequency and potential severity, AAT deficiency remains under-recognized, and there is often a delay in diagnosis. This review will focus on three recent updates that should serve to encourage testing and diagnosis of AAT deficiency: first, the publication of a randomized clinical trial demonstrating the efficacy of intravenous augmentation therapy in slowing the progression of emphysema in AAT deficiency; second, the mounting evidence showing an increased risk of lung disease in heterozygous PI MZ genotype carriers; last, the recent publication of a clinical practice guideline, outlining diagnosis and management. Though it has been recognized for more than fifty years, AAT deficiency exemplifies the modern paradigm of precision medicine, with a diagnostic test that identifies a genetic subtype of a heterogeneous disease, leading to a targeted treatment. PMID- 29225785 TI - Golgi structure formation, function, and post-translational modifications in mammalian cells. AB - The Golgi apparatus is a central membrane organelle for trafficking and post translational modifications of proteins and lipids in cells. In mammalian cells, it is organized in the form of stacks of tightly aligned flattened cisternae, and dozens of stacks are often linked laterally into a ribbon-like structure located in the perinuclear region of the cell. Proper Golgi functionality requires an intact architecture, yet Golgi structure is dynamically regulated during the cell cycle and under disease conditions. In this review, we summarize our current understanding of the relationship between Golgi structure formation, function, and regulation, with focus on how post-translational modifications including phosphorylation and ubiquitination regulate Golgi structure and on how Golgi unstacking affects its functions, in particular, protein trafficking, glycosylation, and sorting in mammalian cells. PMID- 29225787 TI - Creutzfeldt-Jakob disease: recent developments. AB - Creutzfeldt-Jakob disease (CJD) is a rare prion disorder that has been the subject of both professional and public interest following the identification of variant CJD as a zoonotic disorder. There have been recent advances in diagnostic techniques, including real-time quaking-induced conversion and magnetic resonance imaging brain scan, that have allowed more accurate case recognition in all forms of CJD. Although the epidemic of variant CJD is clearly in decline, prevalence studies suggest that it may be premature to be complacent about concerns for public health. PMID- 29225786 TI - Recent advances in managing idiopathic pulmonary fibrosis. AB - Idiopathic pulmonary fibrosis (IPF) is a rare pulmonary disease with a poor prognosis and severe impact on quality of life. Early diagnosis is still challenging and important delays are registered before final diagnosis can be reached. Available tools fail to predict the variable course of the disease and to evaluate response to antifibrotic drugs. Despite the recent approval of pirfenidone and nintedanib, significant challenges remain to improve prognosis and quality of life. It is hoped that the new insights gained in pathobiology in the last few years will lead to further advances in the diagnosis and management of IPF. Currently, early diagnosis and prompt initiation of treatments reducing lung function loss offer the best hope for improved outcomes. This article aims at providing an overview of recent advances in managing patients with IPF and has a particular focus on how to reach a diagnosis, manage comorbidities and lung transplantation, care for the non-pharmacological needs of patients, and address palliative care. PMID- 29225788 TI - Whole-exome sequencing for detecting inborn errors of immunity: overview and perspectives. AB - The study of inborn errors of immunity is based on a comprehensive clinical description of the patient's phenotype and the elucidation of the underlying molecular mechanisms and their genetic etiology. Deciphering the pathogenesis is key to genetic counseling and the development of targeted therapy. This review shows the power of whole-exome sequencing in detecting inborn errors of immunity along five central steps taken in whole-exome sequencing analysis. In parallel, we highlight the challenges for the clinical and scientific use of the method and how these hurdles are currently being addressed. We end by ruminating on major areas in the field open to future research. PMID- 29225789 TI - Taking control: reorganization of the host cytoskeleton by Chlamydia. AB - Both actin and microtubules are major cytoskeletal elements in eukaryotic cells that participate in many cellular processes, including cell division and motility, vesicle and organelle movement, and the maintenance of cell shape. Inside its host cell, the human pathogen Chlamydia trachomatis manipulates the cytoskeleton to promote its survival and enhance its pathogenicity. In particular, Chlamydia induces the drastic rearrangement of both actin and microtubules, which is vital for its entry, inclusion structure and development, and host cell exit. As significant progress in Chlamydia genetics has greatly enhanced our understanding of how this pathogen co-opts the host cytoskeleton, we will discuss the machinery used by Chlamydia to coordinate the reorganization of actin and microtubules. PMID- 29225790 TI - Update on ventilator-associated pneumonia. AB - Ventilator-associated pneumonia (VAP) is the most frequent life-threatening nosocomial infection in intensive care units. The diagnostic is difficult because radiological and clinical signs are inaccurate and could be associated with various respiratory diseases. The concept of infection-related ventilator associated complication has been proposed as a surrogate of VAP to be used as a benchmark indicator of quality of care. Indeed, bundles of prevention measures are effective in decreasing the VAP rate. In case of VAP suspicion, respiratory secretions must be collected for bacteriological secretions before any new antimicrobials. Quantitative distal bacteriological exams may be preferable for a more reliable diagnosis and therefore a more appropriate use antimicrobials. To improve the prognosis, the treatment should be adequate as soon as possible but should avoid unnecessary broad-spectrum antimicrobials to limit antibiotic selection pressure. For empiric treatments, the selection of antimicrobials should consider the local prevalence of microorganisms along with their associated susceptibility profiles. Critically ill patients require high dosages of antimicrobials and more specifically continuous or prolonged infusions for beta-lactams. After patient stabilization, antimicrobials should be maintained for 7-8 days. The evaluation of VAP treatment based on 28-day mortality is being challenged by regulatory agencies, which are working on alternative surrogate endpoints and on trial design optimization. PMID- 29225791 TI - Recent advances in the management and understanding of diabetic retinopathy. AB - Despite recent advances in the diagnosis and treatment of diabetic retinopathy, this complication remains a steadfast challenge to patients and physicians. This review summarizes recent progress in the diagnosis and management of diabetic retinopathy, including automated screening, optical coherence tomography, control of systemic risk factors, surgical techniques, laser treatment, and pharmaceutical treatment, including vascular endothelial growth factor inhibitors. Recent advances in pharmaceutical treatments, in particular, hold strong promise of halting and sometimes reversing the disease process. Clinicians nevertheless must remain vigilant in their efforts to diagnose and treat this disease early in its course. PMID- 29225792 TI - Epigenetic and transcriptional control of mast cell responses. AB - Mast cells are tissue-resident, innate immune cells present in most tissues of the body and are important effector and immunomodulatory cells. Differentiated mast cells typically are characterized by the surface expression of the receptors KIT and FcepsilonRI, the latter especially being important for stimulation through IgE antibodies, although these cells have the ability to respond to a wide variety of environmental signals, to which they can variably react by releasing pre-stored or de novo-synthesized mediators or both. Since mast cells terminate their differentiation in their tissue of residence in response to specific microenvironmental cues, each tissue may comprise unique mast cell subtypes, and responses are tailored to the danger signals that are likely to be encountered in each anatomical location. From a transcriptional point of view, these cells therefore must be endowed with epigenetic and transcriptional programs that allow them to maintain a stable identity and at the same time allow sufficient plasticity to adapt to different environmental challenges. In this commentary, we highlight some of the recent findings that advanced our understanding of the transcriptional and epigenetic programs regulating mast cell functions. PMID- 29225793 TI - Recent advances in acute pain management: understanding the mechanisms of acute pain, the prescription of opioids, and the role of multimodal pain therapy. AB - In this review, we discuss advances in acute pain management, including the recent report of the joint American Pain Society and American Academy of Pain Medicine task force on the classification of acute pain, the role of psychosocial factors, multimodal pain management, new non-opioid therapy, and the effect of the "opioid epidemic". In this regard, we propose that a fundamental principle in acute pain management is identifying patients who are most at risk and providing an "opioid free anesthesia and postoperative analgesia". This can be achieved by using a multimodal approach that includes regional anesthesia and minimizing the dose and the duration of opioid prescription. This allows prescribing medications that work through different mechanisms. We shall also look at the recent pharmacologic and treatment advances made in acute pain and regional anesthesia. PMID- 29225796 TI - Synthesis of Uniform Rare Earth Doped Gd2O2S Sub-micron Sized Spheres Using Gas Aided Sulfurization and their Optical Characteristics. AB - In this work, we report a detailed study of the synthesis of sub-micron sized Gd2O2S spheres using a two-step process: (1) amorphous precursor synthesis using the solvothermal method where a surfactant was used to control particle morphology, followed by (2) crystallization to form Gd2O2S polycrystalline spheres in a sulfur-rich environment. The crystallization and sulfurization processes are investigated by monitoring the crystal growth at different temperatures and under different environments using mainly x-ray diffraction and analysis of the precursor's thermal decomposition profile. The optical emissions of the Er and Yb-Er doped Gd2O2S upon excitation at 975 nm were investigated to identify the optimal dopant concentrations, optimal heat treatment temperature as well as to further elucidate any fine structure changes. Our results also show that the maximum emission intensities were obtained for a heat treatment temperature of 800 degrees C, where increased dopant diffusion coupled with non uniform surface segregation at much higher temperatures led to non-uniform dopant distribution and reduced emission intensities. Our findings from these studies would be useful towards the synthesis of brightly-emitting Gd2O2S based luminescent materials as well as for the controlled gas-aided sulfurization of other metal oxysulfides. PMID- 29225794 TI - Premature Ovarian Insufficiency - an update on recent advances in understanding and management. AB - Premature ovarian insufficiency is a complex and relatively poorly understood entity with a myriad of etiologies and multisystem sequelae that stem from premature deprivation of ovarian sex hormones. Timely diagnosis with a clear understanding of the various comorbidities that can arise from estrogen deficiency is vital to appropriately counsel and treat these patients. Prompt initiation of hormone therapy is critical to control the unsolicited menopausal symptoms that many women experience and to prevent long-term health complications. Despite ongoing efforts at improving our understanding of the mechanisms involved, any advancement in the field in recent decades has been modest at best and researchers remain thwarted by the complexity and heterogeneity of the underpinnings of this entity. In contrast, the practice of clinical medicine has made meaningful strides in providing assurance to the women with premature ovarian insufficiency that their quality of life as well as long term health can be optimized through timely intervention. Ongoing research is clearly needed to allow pre-emptive identification of the at-risk population and to identify mechanisms that if addressed in a timely manner, can prolong ovarian function and physiology. PMID- 29225795 TI - Multiple system atrophy: genetic risks and alpha-synuclein mutations. AB - Multiple system atrophy (MSA) is one of the few neurodegenerative disorders where we have a significant understanding of the clinical and pathological manifestations but where the aetiology remains almost completely unknown. Research to overcome this hurdle is gaining momentum through international research collaboration and a series of genetic and molecular discoveries in the last few years, which have advanced our knowledge of this rare synucleinopathy. In MSA, the discovery of alpha-synuclein pathology and glial cytoplasmic inclusions remain the most significant findings. Families with certain types of alpha-synuclein mutations develop diseases that mimic MSA, and the spectrum of clinical and pathological features in these families suggests a spectrum of severity, from late-onset Parkinson's disease to MSA. Nonetheless, controversies persist, such as the role of common alpha-synuclein variants in MSA and whether this disorder shares a common mechanism of spreading pathology with other protein misfolding neurodegenerative diseases. Here, we review these issues, specifically focusing on alpha-synuclein mutations. PMID- 29225797 TI - Seasonal clustering of sinopulmonary mucormycosis in patients with hematologic malignancies at a large comprehensive cancer center. AB - Background: Invasive Mucorales infections (IMI) lead to significant morbidity and mortality in immunocompromised hosts. The role of season and climatic conditions in case clustering of IMI remain poorly understood. Methods: Following detection of a cluster of sinopulmonary IMIs in patients with hematologic malignancies, we reviewed center-based medical records of all patients with IMIs and other invasive fungal infections (IFIs) between January of 2012 and August of 2015 to assess for case clustering in relation to seasonality. Results: A cluster of 7 patients were identified with sinopulmonary IMIs (Rhizopus microsporus/azygosporus, 6; Rhizomucor pusillus, 1) during a 3 month period between June and August of 2014. All patients died or were discharged to hospice. The cluster was managed with institution of standardized posaconazole prophylaxis to high-risk patients and patient use of N-95 masks when outside of protected areas on the inpatient service. Review of an earlier study period identified 11 patients with IMIs of varying species over the preceding 29 months without evidence of clustering. There were 9 total IMIs in the later study period (12 month post-initial cluster) with 5 additional cases in the summer months, again suggesting seasonal clustering. Extensive environmental sampling did not reveal a source of mold. Using local climatological data abstracted from National Centers for Environmental Information the clusters appeared to be associated with high temperatures and low precipitation. Conclusions: Sinopulmonary Mucorales clusters at our center had a seasonal variation which appeared to be related to temperature and precipitation. Given the significant mortality associated with IMIs, local climatic conditions may need to be considered when considering center specific fungal prevention and prophylaxis strategies for high-risk patients. PMID- 29225798 TI - 30-day readmission, antibiotics costs and costs of delay to adequate treatment of Enterobacteriaceae UTI, pneumonia, and sepsis: a retrospective cohort study. AB - Background: Enterobacteriaceae are common pathogens in pneumonia, sepsis and urinary tract infection (UTI). Though rare, carbapenem resistance (CRE) among these organisms complicates efforts to ensure adequate empiric antimicrobial therapy. In turn this negatively impacts such outcomes as mortality and hospital costs. We explored proportion of total costs represented by antibiotics, 30-day readmission rates, and per-day costs of inadequate antimicrobial coverage among patients with Enterobacteriaceae pneumonia, sepsis and/or UTI in the context of inappropriate (IET) vs. appropriate empiric (non-IET) therapy and carbapenem resistance (CRE) vs. susceptibility (CSE). Methods: We conducted a retrospective cohort study in the Premier Research database (2009-2013) of 175 US hospitals. We included all adult patients admitted with a culture-confirmed UTI, pneumonia, or sepsis as principal diagnosis, or as a secondary diagnosis in the setting of respiratory failure. Patients with hospital acquired infections or transfers from other acute facilities were excluded. IET was defined as failure to administer an antibiotic therapy in vitro active against the culture-confirmed pathogen within 2 days of admission. Results: Among 40,137 patients with Enterobacteriaceae infections (54.2% UTI), 4984 (13.2%) received IET. CRE (3.1%) was more frequent in patients given IET (13.0%) than non-IET (1.6%, p < 0.001). The proportions of total costs represented by antibiotics were similar in IET and non-IET (3.3% vs. 3.4%, p = 0.01), and higher among the group with CRE than CSE (4.2% vs. 3.4%, p < 0.001). The 30-day readmission rates were higher in both IET than non-IET (25.6% vs. 21.1%, p < 0.001) and CRE than CSE (29.7% vs. 21.5%, p < 0.001) groups. Each additional day of inadequate therapy cost an additional $766 (95% CI $661, $870, p < 0.001) relative to adequate treatment. Conclusions: In this large US cohort of Enterobacteriaceae infections, the cost of antibiotics was a small component of total costs, irrespective of whether empiric treatment was appropriate or whether a CRE was isolated. In contrast, each extra day of inadequate treatment added >$750 to hospital costs. Both CRE and IET were associated with an increased risk of readmission within 30 days. PMID- 29225799 TI - Kidney involvement in the Schnitzler syndrome, a rare disease. AB - The Schnitzler syndrome (SS) is a rare and underdiagnosed entity that associates a chronic urticarial rash, monoclonal IgM (or sometimes IgG) gammopathy and signs and symptoms of systemic inflammation. During the past 45 years, the SS has evolved from an elusive little-known disorder to the paradigm of a late-onset acquired auto-inflammatory syndrome. Though there is no definite proof of its precise pathogenesis, it should be considered as an acquired disease involving abnormal stimulation of the innate immune system, which can be reversed by the interleukin-1 receptor antagonist anakinra. It clearly expands our view of this group of rare genetic diseases and makes the concept of auto-inflammation relevant in polygenic acquired diseases as well. Increasing numbers of dermatologists, rheumatologists, allergologists, haematologists and, more recently, nephrologists, recognize the SS. The aim of this review is to focus on kidney involvement in the SS. Although the literature regarding kidney involvement in the SS is very poor it can be severe, as in our own case here reported, leading us to recommend the systematic search for nephropathy markers in the SS. PMID- 29225800 TI - Recommendations for imaging-based diagnosis and management of renal angiomyolipoma associated with tuberous sclerosis complex. AB - Renal angiomyolipomas are found in up to 80% of tuberous sclerosis complex (TSC) patients. Although these tumours are usually asymptomatic, lesions >3 cm in diameter are prone to bleeding and up to 10% of TSC patients may experience a massive and potentially fatal retroperitoneal haemorrhage. Diagnosis can be complicated because of the initial lack of symptoms and the fat-poor content of atypical renal angiomyolipomas. After diagnosis, tumour growth and the emergence of new tumours must be monitored. Treatment with mammalian target of rapamycin (mTOR) inhibitors can reduce tumour size and is indicated in patients with TSC associated renal angiomyolipomas >3 cm in diameter. Imaging-based assessment of kidney disease is essential to the diagnosis and management of patients with TSC. The aims of imaging studies in this context are to detect and characterize tumours, assess and detect the risk of complications and evaluate the response to treatment, especially in patients treated with mTOR inhibitors. A multidisciplinary expert panel developed a series of recommendations based on current evidence and professional experience for imaging studies in adults and children with TSC-associated renal angiomyolipoma. The recommendations cover radiological diagnosis and follow-up of the classic and atypical or fat-poor TSC associated renal angiomyolipomas, biopsy indications, minimal requirements for radiological requests and reports and recommended technical features and protocols for computed tomography and magnetic resonance imaging. PMID- 29225801 TI - Histologic regression of fibrillary glomerulonephritis: the first report of biopsy-proven spontaneous resolution of disease. AB - Fibrillary glomerulonephritis (FGN) is a rare immune complex type glomerulonephritis characterized by glomerular deposition of randomly oriented fibrils measuring 10-30 nm in thickness, and typically presents with proteinuria with or without renal insufficiency and hematuria. We present a case in which a patient initially presented at age 41 years with nephrotic-range proteinuria and hypertension; a kidney biopsy showed FGN. The patient was treated with angiotensin receptor blockage only, without immunosuppression as per patient preference, and the level of protein in the urine improved. During the follow-up period of 17 years, the patient developed type 2 diabetes mellitus. The patient re-presented with nephrotic-range proteinuria 17 years later, at the age of 58 years. A kidney biopsy was performed and showed diffuse diabetic glomerulosclerosis with secondary focal segmental glomerulosclerosis and related vascular changes. There was no evidence of FGN by immunofluorescence or electron microscopy. Although FGN has been rarely reported to regress clinically, this is the first documented case of histologic regression of FGN. The potential for FGN fibrils to regress spontaneously is important in the management of FGN patients considering that currently available immunosuppressive agents have limited efficacy, and is an encouraging finding for future studies aiming to find a cure for the disease. PMID- 29225802 TI - Effective immunosuppressive management with belatacept and eculizumab in post transplant aHUS due to a homozygous deletion of CFHR1/CFHR3 and the presence of CFH antibodies. AB - Atypical haemolytic uraemic syndrome (aHUS) may clinically present as acute renal graft failure resulting from excessive activation of the complement cascade. While mutations of complement-encoding genes predispose for aHUS, it is generally thought to require an additional insult (e.g. drugs) to trigger and manifest the full-blown clinical syndrome. Calcineurin inhibitors (CNIs) used for immunosuppression act as potential triggers, especially in the post transplantation setting. Therefore, CNI-free immunosuppressive regimens may be beneficial. We report on a 58-year-old woman who developed aHUS with acute graft failure within 20 days after renal transplantation. Genetic investigation revealed a homozygous deletion of the CFH-related 1 (CFHR1) and CFHR3 genes in addition to the presence of autoantibodies against complement factor H (CFH). The patient was treated with plasmapheresis and administration of the complement component 5 (C5) antibody eculizumab, and her immunosuppressive regimen was switched from CNI (tacrolimus) to the cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) inhibitor belatacept. Renal graft function recovered and stabilized over an 18-month follow-up period. We describe the successful management of post transplant aHUS using a CNI-free immunosuppressive regimen based on eculizumab and belatacept. Ideally, adequate molecular diagnostics, performed prior to transplantation, can identify relevant genetic risk factors for graft failure and help to select patients for individualized immunosuppressive regimens. PMID- 29225805 TI - Hospital procedure volume does not predict acute kidney injury after coronary artery bypass grafting-a nationwide study. AB - Background: Acute kidney injury (AKI) is common after coronary artery bypass grafting (CABG) and is associated with poor outcome. Increased hospital procedure volume has been associated with better outcomes. However, the impact of hospital CABG volume on AKI needing dialysis (AKI-D) is less clear. We designed this study to examine (i) the impact of number of annual CABG procedures per hospital (CABG vol) on AKI-D and inpatient mortality and (ii) if it modifies the relationship between AKI-D and mortality. Methods: Using the Nationwide Inpatient Sample database from 2000 to 2010, we identified admissions with CABG and those with AKI D using International Classification of Diseases, Ninth Revision, Clinical Modification codes. Multivariable logistic regressions were used to assess the impact of CABG-vol on AKI-D and mortality. We used restricted cubic splines to account for the nonlinear relationship between CABG-vol and mortality. We also evaluated the a priori interaction term between CABG-vol and AKI-D in the model for mortality. Results: Of 4 002 730 hospitalizations for CABG, 0.7% (24 126) had AKI-D. On adjusted analysis, CABG-vol did not correlate with odds of developing AKI-D [odds ratio (OR) 0.99; 95% confidence interval (CI) 0.99-1.00] but was associated with mortality, though the association was nonlinear. AKI-D was a significant predictor of mortality with OR 7.58 (95% CI 6.81-8.44). The interaction of CABG-vol and AKI-D was not significant (P = 0.8). Conclusions: Lower annual CABG hospital procedure volume is significantly associated with higher mortality but not with a higher incidence of AKI-D. AKI-D is associated with higher mortality in those undergoing CABG. However, there is no differential effect of hospital volume on odds of mortality due to AKI-D. PMID- 29225806 TI - Renal artery intervention utilizing carbon dioxide angiography. AB - Carbon dioxide angiography is an established non-nephrotoxic option for imaging of the infradiaphragmatic arteries and veins. Safe performance of the technique once required a somewhat cumbersome system, however, recent innovations have simplified implementation and expanded the user base for this technique. As such, patient access has also increased. In this issue, Hameed et al. provide initial feasibility data regarding carbon dioxide angiography and renal denervation therapy. This experience may be translated into future renovascular interventions in patients with limited renal reserve. PMID- 29225803 TI - Environmental toxin-induced acute kidney injury. AB - Human beings are exposed to various potentially toxic agents and conditions in their natural and occupational environments. The kidney, due to its concentrating ability and excretory function, is highly vulnerable to the effects of environmental toxins. Identifying the precise cause and mechanisms of environmentally induced renal injury remains a challenge for which various scientific disciplines need to be involved. Investigations in this field are confronted with the apparent infinite types of toxins, their mutual interaction, handling/metabolization by the body, ways of exposure, etc. Although interdisciplinary efforts and persistence are required to identify, mechanistically unravel and tackle environmental toxin-induced pathologies, research eventually pays off in ameliorated working/living conditions and development of preventive/therapeutic strategies. This review was compiled to particularly emphasize the need for a maintained awareness of environmental threats in general and those targeting the kidney. Different mechanisms of renal toxicity are illustrated and discussed, thereby focusing on three types of environmental toxins, namely aristolochic acid, melamine and heavy metals. PMID- 29225804 TI - Angiotensinogen as a biomarker of acute kidney injury. AB - Early recognition of acute kidney injury (AKI) is critical to prevent its associated complications as well as its progression to long term adverse outcomes like chronic kidney disease. A growing body of evidence from both laboratory and clinical studies suggests that inflammation is a key factor contributing to the progression of AKI regardless of the initiating event. Biomarkers of inflammation are therefore of interest in the evaluation of AKI pathogenesis and prognosis. There is evidence that the renin angiotensin aldosterone system is activated in AKI, which leads to an increase in angiotensin II (Ang II) formation within the kidney. Ang II activates pro-inflammatory and pro-fibrotic pathways that likely contribute to the progression of AKI. Angiotensinogen is the parent polypeptide from which angiotensin peptides are formed and its stability in urine makes it a more convenient marker of renin angiotensin system activity than direct measurement of Ang II in urine specimens, which would provide more direct information. The potential utility of urinary angiotensinogen as a biomarker of AKI is discussed in light of emerging data showing a strong predictive value of AKI progression, particularly in the setting of decompensated heart failure. The prognostic significance of urinary angiotensinogen as an AKI biomarker strongly suggests a role for renin-angiotensin system activation in modulating the severity of AKI and its outcomes. PMID- 29225807 TI - Renal denervation using carbon dioxide renal angiography in patients with uncontrolled hypertension and moderate to severe chronic kidney disease. AB - Background: Chronic kidney disease (CKD) is the most common cause of secondary hypertension. More than half of the patients have uncontrolled hypertension (>=140/90 mmHg on three or more antihypertensive agents at optimum doses). Renal sympathetic denervation (RSDN) has been shown to reduce blood pressure (BP) in patients with resistant hypertension. Although patients with CKD have high sympathetic drive, all major clinical trials have excluded patients with estimated glomerular filtration rates (eGFRs) <45 mL/min/1.73m2 for risk of contrast-induced nephropathy. Methods: In this pilot study, carbon dioxide (CO2) was used as the sole contrast agent to carry out renal angiography and RSDN in patients with moderate to severe CKD (eGFR 15-44 mL/min/1.73m2) and uncontrolled hypertension. Results: Eleven patients (eight males) underwent RSDN. The median age was 57 years [interquartile range (IQR) 49-66]. The median number of antihypertensives being taken at baseline was 4 (IQR 3-4). No statistically significant difference was observed in serum creatinine in the serial follow-ups until at 6 months[median difference 0.25 mg/dL (IQR 0.09-0.53); P = 0.008]. There was a non-significant reduction in median clinic BP from baseline to 6 months [ 14 mmHg (IQR -24-5)] and a significant increase in daytime ambulatory systolic BP [7 mmHg (IQR -2-12); P= 0.045]. A trend towards a serial reduction in albuminuria was observed. Procedure-related complications included a groin haematoma (n = 1) and reported flank (n = 1) and groin pain (n = 1). Conclusions: This pilot study shows that CO2 renal angiography can be used to perform RSDN in patients with significant renal impairment and may lead to associated improvements in clinic BP and albuminuria. PMID- 29225808 TI - Symptom burden in patients with chronic kidney disease not requiring renal replacement therapy. AB - Background: Although evidence shows that patients with end stage renal disease (ESRD) experience a high symptom burden which impacts on quality of life (QoL), less is known about patients with earlier stages of chronic kidney disease (CKD). This study aimed to explore symptom burden and potential contributing factors in patients with CKD Stage 1-5 not requiring renal replacement therapy (RRT). Methods: Patients with CKD Stage 1-5 and not on RRT were asked to report their symptoms using the Leicester Uraemic Symptom Score (LUSS), a questionnaire which assesses the frequency and intrusiveness of 11 symptoms commonly reported by kidney patients. Results: Symptoms were assessed in 283 CKD Stage 1-5 patients: 54% male, mean age 60.5 standard error+/- 1.0, mean eGFR 38ml/min/1.73m2. Some 96% (95% confidence interval 93.2-98.0) of participants reported experiencing at least one symptom, the median reported being six. Excessive tiredness (81%;76.0 85.6), sleep disturbance (70%;64.3-75.3) and pain in bones/joints (69%;63.4-74.6) were reported most commonly. Overall, few significant associations were found between biochemical markers of disease severity and symptom burden. Men tended to report fewer symptoms than women and South Asian patients often described experiencing symptoms with a greater severity. Older patients found musculoskeletal symptoms more intrusive whereas younger patients found reduced concentration more intrusive. Conclusions: Our findings suggest that patients with CKD stages 1-5 experience a multitude of symptoms that could potentially impact QoL. Using multidimensional tools like the LUSS, more exploration and focus could provide a greater opportunity for patient focussed symptom control from the earliest stages of CKD. PMID- 29225809 TI - Venous air embolism related to the use of central catheters revisited: with emphasis on dialysis catheters. AB - Venous air embolism is a dreaded condition particularly relevant to the field of nephrology. In the face of a favourable, air-to-blood pressure gradient and an abnormal communication between the atmosphere and the veins, air entrance into the circulation is common and can bring about venous air embolism. These air emboli can migrate to different areas through three major routes: pulmonary circulation, paradoxical embolism and retrograde ascension to the cerebral venous system. The frequent undesirable outcome of this disease entity, despite timely and aggressive treatment, signifies the importance of understanding the underlying pathophysiological mechanism and of the implementation of various preventive measures. The not-that-uncommon occurrence of venous air embolism, often precipitated by improper patient positioning during cervical catheter procedures, suggests that awareness of this procedure-related complication among health care workers is not universal. This review aims to update the pathophysiology of venous air embolism and to emphasize the importance of observing the necessary precautionary measures during central catheter use in hopes of eliminating this unfortunate but easily avoidable mishap in nephrology practice. PMID- 29225810 TI - Achieving high convection volumes in postdilution online hemodiafiltration: a prospective multicenter study. AB - Background. Available evidence suggests a reduced mortality risk for patients treated with high-volume postdilution hemodiafiltration (HDF) when compared with hemodialysis (HD) patients. As the magnitude of the convection volume depends on treatment-related factors rather than patient-related characteristics, we prospectively investigated whether a high convection volume (defined as >=22 L/session) is feasible in the majority of patients (>75%). Methods. A multicenter study was performed in adult prevalent dialysis patients. Nonparticipating eligible patients formed the control group. Using a stepwise protocol, treatment time (up to 4 hours), blood flow rate (up to 400 mL/min) and filtration fraction (up to 33%) were optimized as much as possible. The convection volume was determined at the end of this optimization phase and at 4 and 8 weeks thereafter. Results. Baseline characteristics were comparable in participants (n = 86) and controls (n = 58). At the end of the optimization and 8 weeks thereafter, 71/86 (83%) and 66/83 (80%) of the patients achieved high-volume HDF (mean 25.5 +/- 3.6 and 26.0 +/- 3.4 L/session, respectively). While treatment time remained unaltered, mean blood flow rate increased by 27% and filtration fraction increased by 23%. Patients with <22 L/session had a higher percentage of central venous catheters (CVCs), a shorter treatment time and lower blood flow rate when compared with patients with >=22 L/session. Conclusions. High-volume HDF is feasible in a clear majority of dialysis patients. Since none of the patients agreed to increase treatment time, these findings indicate that high-volume HDF is feasible just by increasing blood flow rate and filtration fraction. PMID- 29225811 TI - Regular exercise during haemodialysis promotes an anti-inflammatory leucocyte profile. AB - Background: Cardiovascular disease is the most common cause of mortality in haemodialysis (HD) patients and is highly predicted by markers of chronic inflammation. Regular exercise may have beneficial anti-inflammatory effects, but this is unclear in HD patients. This study assessed the effect of regular intradialytic exercise on soluble inflammatory factors and inflammatory leucocyte phenotypes. Methods: Twenty-two HD patients from a centre where intradialytic cycling was offered thrice weekly and 16 HD patients receiving usual care volunteered. Exercising patients aimed to cycle for 30 min at rating of perceived exertion of 'somewhat hard'. Baseline characteristics were compared with 16 healthy age-matched individuals. Physical function, soluble inflammatory markers and leucocyte phenotypes were assessed again after 6 months of regular exercise. Results: Patients were less active than their healthy counterparts and had significant elevations in measures of inflammation [interleukin-6 (IL-6), C reactive protein (CRP), tumour necrosis factor-alpha (TNF-alpha), intermediate and non-classical monocytes; all P < 0.001]. Six months of regular intradialytic exercise improved physical function (sit-to-stand 60). After 6 months, the proportion of intermediate monocytes in the exercising patients reduced compared with non-exercisers (7.58 +/- 1.68% to 6.38 +/- 1.81% versus 6.86 +/- 1.45% to 7.88 +/- 1.66%; P < 0.01). Numbers (but not proportion) of regulatory T cells decreased in the non-exercising patients only (P < 0.05). Training had no significant effect on circulating IL-6, CRP or TNF-alpha concentrations. Conclusions: These findings suggest that regular intradialytic exercise is associated with an anti-inflammatory effect at a circulating cellular level but not in circulating cytokines. This may be protective against the increased risk of cardiovascular disease and mortality that is associated with chronic inflammation and elevated numbers of intermediate monocytes. PMID- 29225812 TI - The utility of whole body vibration exercise in haemodialysis patients: a pilot study. AB - Background: Exercise improves physical capacity in patients with end-stage renal disease on haemodialysis (HD), but few patients engage in it. Whole-body vibration exercise (WBVE) is a novel protocol that has been shown to benefit frail elderly patients' rehabilitation. We assessed the utility of WBVE before HD sessions and tested methods to inform the design of a randomized controlled trial (RCT). Methods: Physical condition and quality of life were assessed at enrolment and repeated 2 weeks later in a pilot study of 49 patients undergoing regular HD. All patients then undertook 8 weeks of WBVE, thrice weekly for 3 min, after which the assessments were repeated and results compared (paired t-tests). Further assessments were made after a 4-week layoff. Patients completed a post-study questionnaire about their experiences of using WBVE. The reproducibility of WBVE and effects on measures of functionality, muscle strength, indirect exercise capacity, nutritional status, bone health and quality of life were recorded to undertake a power calculation for an RCT. Results: Of 49 patients enrolled, 25 completed all assessments. The dropout rate was high at 49%, but overall, WBVE was an acceptable form of exercise. Functionality as assessed by the 60-s sit-to stand test (STS-60) improved significantly by 11% (P = 0.002). Some quality of life domains also improved significantly. All improvements were maintained 4 weeks after discontinuing WBVE. Conclusions: WBVE was acceptable, safe, easily incorporated into the routine of HD and was associated with useful improvements in physical function sufficient to justify a RCT. PMID- 29225813 TI - Patient-perceived barriers to a screening program for depression: a patient opinion survey of hemodialysis patients. AB - Background: Depression is a prevalent, yet underdiagnosed, psychiatric disorder among patients with end-stage renal disease. Active case identification through routine screening is suggested; however, patient-related barriers may reduce the effectiveness of screening for, and treating, depression. This study aimed to explore the perceived barriers that limit patients from participating in screening and treatment programs for depression. Methods: In a cross-sectional study of chronic maintenance hemodialysis patients, the Perceived Barriers to Psychological Treatment questionnaire, adapted to include screening, was used to measure perceived barriers. The two-item Patient Health Questionnaire was used to identify patients with depressive symptoms. Results: Of 160 participants, 73.1% reported at least one barrier preventing them from participation [95% confidence interval (95% CI) 66.2-80.0%]. Patients with depressive symptoms were more likely to perceive at least one barrier to a screening program for depression compared with those without depressive symptoms (96% versus 68.9%, respectively; odds ratio = 10.8; 95% CI 1.4-82.8; P = 0.005). The association of the barrier scores with depressive symptoms remained significant after adjustment for patient's characteristics. The most common barriers that patients expressed were concerns about the side effects of any antidepressant medications that may be prescribed (40%), concerns about having more medications (32%), feeling that the problem is not severe enough (23%) and perceiving no risk of depression (23%). Conclusions: Negative perceptions about depression and its treatment among hemodialysis patients constitute an important barrier to identifying this condition and first need to be addressed before implementing a screening program in this population. PMID- 29225814 TI - Perioperative Plasma-Lyte use reduces the incidence of renal replacement therapy and hyperkalaemia following renal transplantation when compared with 0.9% saline: a retrospective cohort study. AB - Background: Kidney transplant recipients often receive large volumes of intravenous fluid replacement in the peri-operative period. Administration of 0.9% saline has previously been associated with acidosis, hyperkalaemia and acute kidney injury. The perioperative use of physiologically balanced replacement fluids may reduce the incidence of post-operative renal replacement therapy and hyperkalaemia. Methods: A retrospective review of consecutive renal transplants before and after a change in perioperative fluid prescription from 0.9% saline to Plasma-Lyte 148. Results: A total of 97 patients were included in the study, 59 receiving exclusively 0.9% saline and 38 receiving exclusively Plasma-Lyte. Patients in the Plasma-Lyte group were less likely to require emergency postoperative dialysis than those receiving 0.9% saline [odds ratio (OR) 0.15 (95% confidence interval 0.03-0.48), P = 0.004], and these patients had more favourable biochemical parameters with less hyperkalaemia, less acidosis and better diuresis. Patients in the Plasma-Lyte group also had a shorter length of hospital stay (7 days versus 11 days; P < 0.0001) and better graft function at 3 months postoperatively (estimated glomerular filtration rate 51 versus 44 mL/min/1.73 m2; P = 0.03); however, there was no difference in graft function at 1 year. Conclusions: Plasma-Lyte in the perioperative period is safe in renal transplantation and is associated with a favourable biochemical profile, including a reduced incidence of hyperkalaemia, better diuresis and less frequent use of renal replacement therapy early after surgery. In patients receiving Plasma-Lyte, graft function was better at 3 months, but this difference did not persist up to 1 year after transplantation. PMID- 29225815 TI - Hypercalcaemia preceding diagnosis of Pneumocystis jirovecii pneumonia in renal transplant recipients. AB - Background: The overall incidence of Pneumocystis jirovecii pneumonia (PJP) in solid organ transplant recipients is 5-15%. A timely diagnosis of PJP is difficult and relies on imaging and detection of the organism. Methods: We present a case series of four patients displaying hypercalcaemia with an eventual diagnosis of PJP and document the management of the outbreak with a multidisciplinary team approach. We discuss the underlying pathophysiology and previous reports of hypercalcaemia preceding a diagnosis of PJP. We also reviewed the evidence concerning PJP diagnosis and treatment. Results: Within our renal transplant cohort, four patients presented within 7 months with hypercalcaemia followed by an eventual diagnosis of PJP. We measured their corrected calcium, parathyroid hormone (PTH), 1,25-dihydroxycholecalciferol [1,25-(OH)2D3] and 25 hydroxycholecalciferol [25(OH)D] levels at admission and following treatment of PJP. All four patients diagnosed with PJP were 4-20 years post-transplantation. Three of the four patients demonstrated PTH-independent hypercalcaemia (corrected calcium >3.0 mmol/L). The presence of high 1,25(OH)2D3 and low 25(OH)D levels suggest negation of the negative feedback mechanism possibly due to an extrarenal source; in this case, the alveolar macrophages. All four patients had resolution of their hypercalcaemia after treatment of PJP. Conclusions: Given the outbreak of PJP in our renal transplant cohort, and based on previous experience from other units nationally, we implemented cohort-wide prophylaxis with trimethoprim sulphamethoxazole for 12 months in consultation with our local infectious diseases unit. Within this period there have been no further local cases of PJP. PMID- 29225816 TI - Complement-dependent cytotoxicity and Luminex technology for human leucocyte antigen antibody detection in kidney transplant candidates exposed to different sensitizing events. AB - Background: The aim of this study was to determine the frequency of exposure to different sensitizing events (SEs) and to assess their effects on human leucocyte antigen (HLA) alloimmunization in transplant candidates using two different HLA antibody screening techniques: complement-dependent cytotoxicity (CDC) and Luminex. Methods: This retrospective study included HLA antibody screening results for 163 patients on the kidney transplant waiting list (WL) tested from March 2012 until the end of December 2015 at the Tissue Typing Laboratory, Rijeka, Croatia. All sera samples were tested using the CDC and Luminex techniques in parallel. Results: Two-thirds of the patients [114 (70%)] on the WL were exposed to transfusions, pregnancies and/or kidney transplant. The pre transplant sera of 104 (63.80%) patients were negative for antibodies. In the sera of 23 (14.11%) patients, HLA antibodies were detected by CDC and Luminex and in the sera of 36 (22.09%) patients by Luminex only. Conclusion: In patients on kidney WL, previous organ transplantation represents the strongest immunogenic stimulus, followed by blood transfusions (the most frequent SE) and pregnancies. Although Luminex is more sensitive than CDC in HLA antibody detection, the decision on unacceptable HLA antigens in WL patients has to be based on the results of both assays and the patient's immunization history. PMID- 29225817 TI - Interpretation of the Kidney Disease: Improving Global Outcomes guidelines for iron therapy: commentary and emerging evidence. AB - The 'Kidney Disease: Improving Global Outcomes' (KDIGO) Clinical Practice Guideline for Anaemia in Chronic Kidney Disease includes detailed recommendations for the use of iron therapy in a variety of clinical circumstances. However, the evidence base regarding the use of iron therapy in patients with chronic kidney disease was relatively incomplete at the time the guideline was developed. As a result, there has been significant debate as to the appropriate use of iron therapy in this population. In this article, the KDIGO guidelines are discussed in the context of recently published commentary pieces and additional research to provide a richer context in which to interpret and understand the guidelines. PMID- 29225818 TI - Practical considerations for iron therapy in the management of anaemia in patients with chronic kidney disease. AB - Clinical practice guidelines provide both local and global recommendations for the use of iron therapy in the management of anaemia in patients with chronic kidney disease. However, physicians must interpret and adapt these guidelines to meet the specific needs of their individual patients. The recommendations must also be considered in the context of findings from more recently published clinical trials and observational studies. PMID- 29225819 TI - Intravenous iron therapy in patients with chronic kidney disease: recent evidence and future directions. AB - Current recommendations for the use of intravenous iron therapy in the management of anaemia in patients with chronic kidney disease (CKD) are based on limited clinical evidence. Since the publication of the Kidney Disease: Improving Global Outcomes (KDIGO) Clinical Practice Guideline for Anaemia in Chronic Kidney Disease in 2012, a number of randomized clinical trials [notably, the Ferinject Assessment in Patients with Iron Deficiency Anaemia (FIND-CKD) and Randomized Trial to Evaluate IV and Oral Iron in Chronic Kidney Disease (REVOKE) trials] and observational studies have been completed, and a further large clinical trial Proactive IV Iron Therapy in Dialysis Patients (PIVOTAL)-is currently underway. In this article, the implications of the findings from these recent studies are discussed and the critical evidence gaps that remain to be addressed are highlighted. PMID- 29225821 TI - Erratum to "Rare benign mixed tumour of the upper lip: A case report" [Ann. Med. Surg. 4 (2015) 380-383]. AB - [This corrects the article DOI: 10.1016/j.amsu.2015.10.001.]. PMID- 29225820 TI - Iron therapy in heart failure patients without anaemia: possible implications for chronic kidney disease patients. AB - Iron deficiency anaemia is a global health problem that manifests as fatigue and poor physical endurance. Anaemia can be caused by dietary iron deficiency, blood loss or a combination of poor iron absorption and ineffective iron mobilization in patients with chronic disease. Nephrologists caring for patients with impaired renal function understand that iron treatment is necessary to provide adequate iron for erythropoiesis during the treatment of overt anaemia. However, a less well-understood health problem is iron deficiency, which creates symptoms that overlap with those of anaemia and often occurs in concert with chronic disease. Recently, several randomized controlled clinical trials have been conducted to investigate the effects of treatment with intravenous iron in heart failure patients with iron deficiency who may or may not also have anaemia. Given that heart and kidney disease are often comorbid, these clinical trials may have implications for the way nephrologists view their patients with iron deficiency. In this article, we review several clinical studies of intravenous iron therapy for patients with iron deficiency and heart failure and discuss possible implications for the treatment of patients with kidney disease. PMID- 29225822 TI - How to make an academic poster. AB - Academic posters are an excellent way to showcase your work at conferences and meetings. They can be used in poster presentations and serve as a summary of your project. In this how to article, we demonstrate how trainees can make and deliver a successful academic poster. PMID- 29225825 TI - Brain biopsy in the diagnosis of leptomeningeal involvement in stage I chronic lymphocytic leukemia. AB - Leptomeningeal involvement of CLL is usually underdiagnosed as neurological symptoms are unspecific. It is important to carefully evaluate neurological status in these patients and consider this entity between the differential diagnosis of a neurological deterioration as adequate treatment improves the prognosis. Imaging techniques, analyses of cerebrospinal fluid, and brain biopsy are useful to establish a definitive diagnosis. PMID- 29225823 TI - Human mitochondrial MTHFD2 is a dual redox cofactor-specific methylenetetrahydrofolate dehydrogenase/methenyltetrahydrofolate cyclohydrolase. AB - Background: Folate-dependent one-carbon metabolism provides one-carbon units for several biological processes. This pathway is highly compartmentalized in eukaryotes, with the mitochondrial pathway producing formate for use in cytoplasmic processes. The mitochondrial enzyme MTHFD2 has been reported to use NAD+ as a cofactor while the isozyme MTHFD2L utilizes NAD+ or NADP+ at physiologically relevant conditions. Because MTHFD2 is highly expressed in many cancer types, we sought to determine the cofactor preference of this enzyme. Results: Kinetic analysis shows that purified human MTHFD2 exhibits dual redox cofactor specificity, utilizing either NADP+ or NAD+ with the more physiologically relevant pentaglutamate folate substrate. Conclusion: These results show that the mitochondrial folate pathway isozymes MTHFD2 and MTHFD2L both exhibit dual redox cofactor specificity. Our kinetic analysis clearly supports a role for MTHFD2 in mitochondrial NADPH production, indicating that this enzyme is likely responsible for mitochondrial production of both NADH and NADPH in rapidly proliferating cells. PMID- 29225824 TI - Robotic simultaneous resection of rectal cancer and liver metastases. AB - Surgical resection is the only potential cure for colorectal cancer with synchronous liver metastases (SLM). Simultaneous resection of colorectal cancer and SLM using robotic-assistance has been rarely reported. We demonstrate that robotic-assisted simultaneous resection of colorectal cancer and SLMs is feasible, safe, and has potential to demonstrate good oncologic outcomes. PMID- 29225826 TI - Subcutaneous defibrillator implantation as a bridge until left ventricular function normalizes. AB - Patients with reversible cardiac impairment may be, at least temporarily, at high risk of SCD and may go unprotected for considerable time. A less-invasive definitive or bridge solution is the implantation of a subcutaneous cardioverter defibrillator (S-ICD). The less invasiveness of this procedure ensures easy removal of the system without exposing the patient to the risk of complications. PMID- 29225827 TI - Gemcitabine and carfilzomib induced thrombotic microangiopathy: eculizumab as a life-saving treatment. AB - Drug-induced aHUS is rare; however, early diagnosis is vital to reduce morbidity and mortality. With confirmation of the diagnosis, eculizumab appears to be a viable treatment option to suppress the pro-inflammatory surge. Furthermore, adverse side effects of medications such as carfilzomib and gemcitabine should be considered in the appropriate settings. PMID- 29225828 TI - Cefepime-induced neurotoxicity in a pediatric patient on chronic hemodialysis: a case report. AB - Impaired renal function increases the risk for cefepime-induced neurotoxicity. Symptoms include disorientation, myoclonus, status epilepticus, ataxia, gait disturbance, coma, and death. A high index of suspicion and early recognition of symptoms can minimize the risk of progression of symptoms to permanent neurologic impairment or death. PMID- 29225829 TI - Surgical resection of adrenocortical carcinoma with invasion into the inferior vena cava: a case report and literature review. AB - Adrenocortical carcinoma (ACC) is a malignant endocrine tumor. Moreover, ACC with invasion into the inferior vena cava is rare. Early diagnosis and treatment are crucial for such cases. Radical surgical resection is the key therapeutic option in ACC. PMID- 29225830 TI - Acute basophilic leukemia associated with the t(16;21)(p11;q22)/FUS-ERG fusion gene. AB - We herein report a rare case of acute basophilic leukemia with t(16;21)(p11;q22) generating the FUS-ERG fusion gene. The basophilic nature of leukemia blasts was demonstrated by cytomorphology, toluidine blue metachromasia, mature basophil associated antigen expression, and characteristic granules under electron microscopy. The molecular link between t(16;21)/FUS-ERG and basophilic differentiation remains unclear. PMID- 29225831 TI - Delayed right ventricular lead perforation complicated by tamponade in biventricular hypertrophic cardiomyopathy. AB - This report highlights the importance of a more cautious approach in a patient with a history of implanted cardiac leads presenting with chest pain or dyspnea, to prevent overlooking cardiac lead perforations especially in hypertrophic cardiomyopathy which seems to be not absolutely protective. PMID- 29225832 TI - Corkscrew collaterals in atherosclerosis obliterans. AB - Marked calcifications in the femoral artery obscured imaging of the artery in computed tomography (CT) and duplex ultrasonography. The presence of corkscrew collateral arteries in patients with Atherosclerosis obliterans (ASO) indicates total artery occlusion. PMID- 29225833 TI - Longer recurrence-free survival in a patient with metastatic renal cell carcinoma treated with temsirolimus. AB - Temsirolimus did not demonstrate an efficacy advantage compared with sorafenib as second-line therapy in patients with metastatic renal cell carcinoma (mRCC). Only a few patients achieved complete responses, and the median progression-free survival rate remains short. We report one patient with mRCC who had a continuing response to temsirolimus. PMID- 29225834 TI - Thrombocytopenia and disseminated histoplasmosis in immunocompetent adults. AB - Disseminated histoplasmosis among immunocompetent patients is rare, but may be associated with clinically significant refractory thrombocytopenia. Platelet counts often return to normal levels following antifungal therapy. Therefore, the most important management of this refractory thrombocytopenia is the recognition and treatment of histoplasmosis infection. PMID- 29225835 TI - Supermicrosurgical replantation of a small amputated nasal tissue in a child. AB - This study reports a case of an 8-year-old boy who suffered from a dog bite injury to the nose. The amputated nasal tissue measured approximately 1.0 * 1.5 cm and included part of the tip, alar, and soft triangle subunits. Both ends of an artery of less than 0.5 mm were found, and replantation was performed. Chemical leeching was performed postoperatively. At 5-year follow-up, a good aesthetic result was achieved. PMID- 29225836 TI - Cardiac tamponade occurred after endoscopic submucosal dissection: conservative management of the esophagopericardial fistula. AB - We describe the case of an esophagopericardial fistula generated after endoscopic submucosal dissection in a patient affected by a superficial esophageal squamous cell carcinoma immediately treated with percutaneous pericardial drainage and placement of a partially covered self-expanding metal stent that has been removed using the stent-in-stent technique after 35 days. PMID- 29225837 TI - The unusual case of the irretrievable colonoscope. AB - It is important that invasive procedures are rationalized, even relatively safe ones like colonoscopy, to minimize the risk of harm to patients. PMID- 29225838 TI - Multiple inappropriate implantable cardiac defibrillator therapies in rapid succession. AB - Inappropriate implantable cardiac defibrillator (ICD) shocks are associated with significant morbidity and have the potential to trigger ventricular arrhythmias, cardiac decompensation, and death. We present a case of multiple inappropriate ICD therapies in rapid succession due electromagnetic interference from a Dr-Ho's transcutaneous electric nerve stimulator machine, and subsequently from a faulty electrical outlet. PMID- 29225839 TI - A case of empyema and septic arthritis due to Nocardia farcinica. AB - Septic arthritis due to Nocardia sp. should be suspected when a patient with risk factors such as pneumoconiosis or diabetes mellitus develops joint symptoms, especially if the patient has had nocardiosis in other sites. PMID- 29225840 TI - Severe thyrotoxicosis in an infant revealing familial nonautoimmune hyperthyroidism with a novel (C672W) stimulating thyrotropin receptor germline mutation. AB - We describe severe thyrotoxicosis in young members of a family with nonautoimmune hyperthyroidism caused by a C672W germline mutation in exon 10 of TSHR gene. In this family, lack of genotype-phenotype correlation and anticipation across generations could be linked to an increased iodine intake as recently observed in France. PMID- 29225841 TI - Multiple large osteolytic lesions in a patient with systemic mastocytosis: a challenging diagnosis. AB - Patients with advanced variants of Systemic Mastocytosis may develop destructive bone lesions when massive mast cell (MC) infiltrates are present. Finding of large osteolyses in indolent systemic mastocytosis, typically characterized by low MC burden, should prompt investigations for an alternative explanation. PMID- 29225842 TI - How often is patent foramen ovale an innocent bystander? AB - Patent foramen ovale (PFO) is a risk factor for cryptogenetic stroke; its closure should be considered in selected patients. It is not always clear whether symptoms (presyncope, paresthesia) apparently due to paradoxical embolism are related with other cardiovascular disorders such as arrhythmias. Flecainide administration for post-PFO-closure supraventricular arrhythmias can unmask a latent undiagnosed Brugada syndrome. PMID- 29225843 TI - Rapid postoperative recurrence of a cranial multilobular tumor of bone in a young dog. AB - Although resection of multilobular tumors of bone can be associated with a good prognosis and long disease-free intervals in dogs, osteosarcomatous transformation should be considered a cause for rapid recurrence of clinical signs. PMID- 29225844 TI - Hemoglobin Providence (beta82 Lys > Asn, Asp) and lower-than-expected HbA1c in a nonadherent teenager with type 1 diabetes: a case report and literature review. AB - Endocrinologists should have a high index of suspicion for a Hb variant when the HbA1c is not consistent with other indices of glycemic control. PMID- 29225845 TI - Conservative treatment of a young adult patient with a moderate skeletal Class III malocclusion by applying the temporary anchorage devices and the surgically assisted rapid palatal expansion. AB - We present the orthodontic treatment of a 20-year-old Chinese man with the moderate skeletal Class III malocclusion. The usages of the temporary anchorage devices and the surgically assisted rapid palatal expansion (SARPE) have provided a variety of options for the treatment of Class III malocclusion. PMID- 29225846 TI - A rare and important case of Staphylococcus haemolyticus-associated ventricular atrial shunt nephritis. AB - Shunt nephritis is a rare and relatively new diagnosis involving glomerular kidney damage following ventriculoperitoneal and ventriculoatrial shunt placement. Our case report summarizes the presentation, diagnostic workup, and management of a patient with shunt nephritis. We also review and discuss the current literature on the topic. PMID- 29225847 TI - Coexistence of true talon cusp and double dens invaginatus in a single tooth: a rare case report and review of the literature. AB - Co-occurrence of a talon cusp and double dens invaginatus is an extremely rare developmental dental anomaly. This case report represents a talon cusp with two dens invaginatus on a maxillary right lateral incisor. Early identification is needed for prevention of potential problems on the affected or opposing tooth. PMID- 29225848 TI - Delayed diagnosis of Brugada syndrome in a patient with aborted sudden cardiac death and initial negative flecainide challenge. AB - A negative flecainide challenge does not rule out Brugada syndrome even in the presence of nonfatal cardiac arrest as the first manifestation of the disease. This should prompt clinicians to ensure long-term ECG follow-up and consider repeating a drug test with another sodium channel blocker. PMID- 29225849 TI - Severe pyoderma gangrenosum caused by myelodysplastic syndrome successfully treated with decitabine administered by a noncytotoxic regimen. AB - Pyoderma gangrenosum (PG) is a morbid necrotizing neutrophilic dermatoses for which current treatments are inadequate. Here, we describe the use of a novel noncytotoxic regimen of the deoxycytidine analog decitabine to treat underlying myeloid malignancy causing PG, to thereby produce safe and effective resolution of extensive PG. PMID- 29225850 TI - Newly developed atrial fibrillation progresses to a more severe INTERMACS score in a patient with advanced heart failure due to dilated cardiomyopathy. AB - We have presented a case of advanced HF, in which newly developed AF hastened the timing of the implantation of mechanical support. Newly developed AF in advanced HF may be intractable by medical therapies and could be a key event that determines the timing of mechanical support. PMID- 29225851 TI - Mitochondrial DNA mutation load in a family with the m.8344A>G point mutation and lipomas: a case study. AB - Studies have shown that difference in mtDNA mutation load among tissues is a result of postnatal modification. We present five family members with the m.8344A>G with variable phenotypes but uniform intrapersonal distribution of mutation load, indicating that there is no postnatal modification of mtDNA mutation load in this genotype. PMID- 29225852 TI - Physical rehabilitation modulates microRNAs involved in multiple sclerosis: a case report. AB - This study shows that neuromuscular taping improves gait, balance, pain and ability to walk and conduct daily activities in a multiple sclerosis patient. It is the first study to identify a panel of miRNAs modulated throughout rehabilitation using neuromuscular taping in a multiple sclerosis patient. PMID- 29225853 TI - A clinical picture of pulmonary embolism revealing light-chain myeloma. AB - We are highlighting on the particularity of a clinical picture of pulmonary embolism revealing light-chain myeloma in a 56-year-old male patient. Myeloma remains a rare affection. Even though its revelation through pulmonary embolism remains rare, it can be explained by hyperviscosity syndrome accompanying it. PMID- 29225854 TI - Tyrosine kinase inhibitor and rituximab-CHOP treatment for concurrent chronic myeloid leukemia and non-Hodgkin lymphoma: a case report. AB - Non-Hodgkin lymphoma can occur concurrently with chronic phase-chronic myeloid leukemia (CML) at initial diagnosis. Combination treatment with second-generation tyrosine kinase inhibitors and rituximab-CHOP for patients newly diagnosed with CML and non-Hodgkin lymphoma is effective for both diseases. However, we found that this treatment combination may induce severe myelosuppression. PMID- 29225855 TI - Uptake of home dialysis in younger adults: case studies that illustrate the multifaceted influence of home circumstances on dialysis decisions. AB - Younger adults considering home dialysis need support to ensure home circumstances are suitable and affordable. Home circumstances relate closely to the financial burden reported by younger home dialysis users. Attention to home circumstances of younger patients with chronic kidney disease by policymakers, funders, and healthcare practitioners is needed. PMID- 29225856 TI - Severe piperacillin-tazobactam-induced hemolysis in a cystic fibrosis patient. AB - Piperacillin-tazobactam is one of the most common causes of drug-induced immune hemolytic anemia (DIIHA) and is frequently utilized, especially in patients with cystic fibrosis (CF). Here, we report a case of life-threatening piperacillin tazobactam-associated DIIHA in a 30-year-old woman with CF and propose management recommendations for piperacillin-tazobactam-associated DIIHA in CF patients. PMID- 29225857 TI - PROS1 novel splice-site variant decreases protein S expression in patients from two families with thrombotic disease. AB - Our results prove that c.1871-14T>G is causative of type I PS deficiency, highlighting the importance of performing mRNA-based studies in order to evaluate variants pathogenicity. We evidence the increased risk of venous thromboembolism associated with this cryptic splice-site variant if present in patients with PS deficiency. PMID- 29225858 TI - Fatal CTLA-4 heterozygosity with autoimmunity and recurrent infections: a de novo mutation. AB - Primary immunodeficiency disorders are rarely diagnosed in adults but must be considered in the differential diagnosis of combined recurrent infections and autoimmune disease. We describe a patient with CTLA-4 haploinsufficiency and an abnormal regulatory T-cell phenotype. Unusually, infections were more severe than autoimmunity, illustrating therapeutic challenges in disease course. PMID- 29225859 TI - An unusual urinary tract infection in a healthy young man. AB - Appearances are deceptive. Prejudice sometimes will betray us. The key to making a diagnosis of infection with unknown focus is a focused interview and thorough physical examination. No special medical care is needed for transgender individuals, although medical staff should be aware that some individuals might have special requirements. PMID- 29225860 TI - Massive hemorrhage following definitive esophageal chemoradiation: teaching case of a fatal aortoesophageal fistula and lessons learned. AB - Esophageal self-expandable metal stents and radiotherapy are valuable in combination for palliation and definitive treatment of esophageal cancer. However, risk of aortoesophageal fistula is significant in patients with evidence of malignant aortic invasion. Use of thoracic endovascular repair may represent an approach to early intervention in high-risk patients. PMID- 29225861 TI - Accidental knotting and subsequent removal of a catheter from the epidural space in an adult cow: a case report. AB - This is the first reported case in the veterinary literature of a knot in an epidural catheter. The report reviews this very rare complication and describes options for investigation and retrieval of catheters entrapped in the epidural space of any species. PMID- 29225862 TI - Hitherto unseen survival in an ALK-positive-patient with advanced stage adult ganglioneuroblastoma treated with personalized medicine. AB - Survival of stage 4 ganglioneuroblastoma (GNB) patients is poor; no reports exist of patients surviving up to 5 years (1, 2). We report the clinical and therapeutic course of a patient with stage 4 GNB surviving beyond expectations due to a multimodal treatment approach incorporating new technologies in cancer diagnostic and treatment. PMID- 29225863 TI - Acute total occlusion of the left main coronary artery treated with percutaneous intervention and simultaneous implantation of intra-aortic balloon pump. AB - Electrocardiographic findings at first medical contact and direct transfer to the catheterization laboratory are important in acute total occlusion of the left main coronary artery. Simultaneous emergency angioplasty and intra-aortic balloon pump implantation might be beneficial in overcoming the patient's most critical hemodynamic instability. PMID- 29225864 TI - Simultaneous laparoscopic cholecystectomy and transabdominal preperitoneal hernioplasty: two case reports evaluate the safety and surgical complications. AB - The safety of combining transabdominal preperitoneal (TAPP) hernioplasty and cholecystectomy in one laparoscopic surgery is still for many years questionable. We report two cases describing the safety and discussing the main concerns regarding the complications. As there are only few cases discuss this kind of combination, we aim to further clarify this subject to provide the best practice for our patients. PMID- 29225866 TI - Magnetic-guided catheter ablation of twin AV nodal reentrant tachycardia in a patient with left atrial isomerism, interrupted inferior vena cana, and Kawashima Fontan procedure. AB - Twin AV nodal reentrant tachycardia most commonly occurs in patients with complex congenital heart disease who have two distinct AV nodes, His bundles, and non preexcited QRS morphologies. Catheter ablation of the weaker AV node may be hindered by anatomical complexities. In such cases, remote magnetic guidance offers a potentially effective solution. PMID- 29225865 TI - Hypoglycemia and severe lactic acidosis in a dog following metformin exposure. AB - Hypoglycemia and lactic acidosis are rare complications with metformin use in humans. As metformin is not commonly used in veterinary medicine, severe adverse effects secondary to exposure are not known. Awareness of potentially life threatening complications with metformin exposure is an important addition to the veterinary literature. PMID- 29225867 TI - Visceral leishmaniasis triggering an adult-onset Still's disease: a unique case. AB - Adult-onset Still's disease (AOSD) due to visceral leishmaniasis (VL) has not been previously reported. This case report analyzes a single episode of AOSD probably due to a visceral leishmaniasis successfully treated with pentamidine isethionate and prednisone. PMID- 29225868 TI - Extra-pulmonary primary small-cell neuroendocrine carcinoma arising from the duodenum: rare tumor, unusual location. AB - Small-cell neuroendocrine carcinoma is a high-grade carcinoma rarely encountered in extra-pulmonary sites. A 40-year-old lady presented with epigastric pain and was noted to have an ulcerated small-cell neuroendocrine carcinoma in her duodenum with liver metastases. She underwent palliative chemotherapy but unfortunately passed away. Duodenal SCNC is an unusual malignancy with an aggressive phenotype. PMID- 29225869 TI - Spontaneous tumor lysis syndrome in colon cancer: a case report and literature review. AB - Although tumor lysis syndrome is well described, it is rarely seen or suspected in solid malignancies. Early recognition of this entity is paramount in reducing morbidity and mortality. Treating physicians should be aware of this possibility in solid tumor patients with either bulky disease or extensive liver involvement. PMID- 29225870 TI - Prostate cancer infiltrating the bladder sphincter successfully treated with Electrochemotherapy: a case report. AB - We demonstrate feasibility and safety of Electrochemotherapy for treatment of a prostate cancer (PCa) with infiltration of the urethral sphincter. The patient remained continent and potent, toxicity was low, and 6 months of follow-up showed no cancer activity. We conclude that Electrochemotherapy should be further evaluated as treatment strategy for locally advanced PCa. PMID- 29225871 TI - The application of catheter ablation in a rare case with coughing-induced supraventricular tachyarrhythmias. AB - Coughing could induce symptomatic, frequent atrial premature contractions (APCs), and episodes of atrial tachycardia (AT) in a rare case. If multiple arrhythmic drugs therapy failed to control the symptoms, catheter ablation was an effective therapeutic option for abolishing such atrial tachyarrhythmias guided by the electroanatomic mapping systems. PMID- 29225872 TI - Acute psychotic symptoms following a single dose of levofloxacin. AB - The objective of our case report was to raise awareness of the neurotoxic potential of levofloxacin in naive patients. In patients with severe infections and comorbidities, it would be difficult to discriminate the neurotoxic effects of levofloxacin from those of the medical condition itself. Thus, health professionals should be aware of the early onset CNS effects of levofloxacin in naive patients. PMID- 29225873 TI - Migration of emboli in the retinal artery: case report. AB - Branch retinal artery occlusion (BRAO) is a prevalent vascular occlusive disorder of the eye. In transient BRAO, an embolus temporarily blocks the vessel and then moves on resulting in recovery of blood circulation. In this case, we have documented migration of the embolus with recovery of perfusion of the retina and improvement of visual acuity in a patient with transient BRAO. Early diagnosis and fast action are important in the case of patients with retinal artery occlusion. PMID- 29225874 TI - Patterns of vascular calcification in patients with end-stage renal disease and calcific uremic arteriolopathy. AB - Calcific uremic arteriolopathy or calciphylaxis is a rare and potentially fatal condition, which manifests as skin ischemia and necrosis, usually seen in patients with end-stage renal disease. It is frequently associated with vascular calcification visible on plain radiographs, which can occur in various patterns. PMID- 29225875 TI - An 88-year-old patient with ADPKD: underscoring the importance of risk factor modification. AB - The mean age of onset of end-stage renal disease (ESRD) in autosomal dominant polycystic kidney disease (ADPKD) is between 56 and 69. Our case represents one of the oldest patients with ADPKD, whose chronic kidney disease (CKD) progression rate could be successfully reduced by optimal risk factor modification. PMID- 29225876 TI - Asymptomatic giant retroperitoneal mass detected at a medical checkup. AB - The differential diagnosis of retroperitoneal mass includes liposarcoma, leiomyosarcoma, malignant fibrous histiocytoma, neurofibroma, stromal tumor, teratoma, and lymphoma. Leiomyosarcoma is rare with poorer prognosis than other soft tissue sarcomas. Soft tissue sarcoma of retroperitoneal origin often remains asymptomatic until tumor enlargement, leading to diagnosis at advanced stages. PMID- 29225877 TI - Hirayama disease: diagnostic essentials in neuroimaging. AB - A 22-year-old male presented with progressive muscular weakness of the upper extremities. MRI of the cervical spine established the final diagnosis of Hirayama disease (HD). HD is a rare disease with benign progress. Neurologists and radiologists should be aware of the specific neuroimaging signs of this rare clinical entity. PMID- 29225878 TI - Erdheim-Chester Disease with atrial mass and perinephric calcification. AB - Erdheim-Chester Disease is a multi-systemic condition characterized by non Langerhans histiocytic infiltration. Cardiovascular involvement with pseudotumoral infiltration of the right atrium is present in approximately one third of patients and may be asymptomatic. Although retroperitoneal fibrosis is common, perinephric dystrophic calcification has not been previously described. PMID- 29225879 TI - Change in bowel habit, abdominal pain, and a palpable abdominal mass in a 58-year old female. AB - Giant colonic diverticulum is a rare complication of diverticulosis, which may present in the acute or chronic setting. Colonic resection and en bloc resection of the diverticulum are the favored management, however, conservative treatment remains an option that could be considered in asymptomatic patients with minimal symptoms. PMID- 29225880 TI - Tumor lysis syndrome with massive hyperphosphatemia and hyperuricemia. AB - Tumor lysis syndrome (TLS) occurs when tumor cells release their contents into the bloodstream, typically in response to chemotherapy, leading to the characteristic findings of hyperuricemia, hyperkalemia, hyperphosphatemia, hypocalcemia, and acute kidney injury. Twinkle artifacts on renal ultrasound may indicate calcium phosphate deposits in such patients. PMID- 29225881 TI - Recovery benefits of using a heat and moisture exchange mask during sprint exercise in cold temperatures. AB - Objectives: Breathing cold air can lead to bronchoconstriction and peripheral vasoconstriction, both of which could impact muscular performance by affecting metabolic demands during exercise. Successful solutions dealing with these physiological changes during exercise in the cold has been lacking; therefore, we investigated the influence of a heat and moisture exchange mask during exercise in the cold. Methods: There were three trial arms within this study: wearing the heat and moisture exchange mask during the rest periods in the cold, no-mask application during the rest periods in the cold, and a trial at room temperature (22 degrees C). Eight subjects cycled in four 35 kJ sprint sessions with each session separated by 20 min rest period. Workload was 4% of body mass. Results: Mean sprint times were faster with heat and moisture exchange mask and room temperature trial than cold, no-mask trial (133.8 +/- 8.6, 134.9 +/- 8.8, and 138.0 +/- 8.4 s (p = 0.001)). Systolic blood pressure and mean arterial pressure were greater during the cold trial with no mask (15% and 13%, respectively), and heart rate was 10 bpm less during the third rest or recovery period during cold, no mask compared to the heat and moisture exchange mask and room temperature trials. Subjects demonstrated significant decreases in vital capacity and peak expiratory flow rate during the cold with no mask applied during the rest periods. Conclusions: These negative responses to cold exposure were alleviated by the use of a heat and moisture exchange mask worn during the rest intervals by minimizing cold-induced temperature stress on the respiratory system with subsequent maintenance of cardiovascular function. PMID- 29225882 TI - Resection of unicentric interlobar Castleman disease with following adjuvant radiotherapy. AB - A 22-year-old female patient with rare interlobar unicentric Castleman disease is presented. The tumour was discovered incidentally and thoracoscopic biopsy was planned to rule out malignancy. Due to dense adhesions to the adjacent anatomical structures and diffuse bleeding when mobilizing the tumour, a thoracoscopic approach was converted to thoracotomy. The tumour was removed without lung resection. Adjuvant radiotherapy was used to avoid possible recurrence of the disease. During the follow-up of 6 years, the patient remains free of any symptoms and evidence of recurrence. PMID- 29225883 TI - Fullerenes in Biology and Medicine. AB - Fullerenes and related carbon based derivatives have shown a growing relevance in biology and medicine, mainly due to the unique electronic and structural properties that make them excellent candidates for multiple functionalization. This review focuses on the most recent developments of fullerene derivatives for different biological applications. PMID- 29225884 TI - SETBP1 mutations as a biomarker for myelodysplasia /myeloproliferative neoplasm overlap syndrome. AB - Myelodysplasia (MDS) /myeloproliferative neoplasm (MPN) overlap syndrome has been described since the 2001 WHO classification as disorders that have both proliferative and dysplastic changes simultaneously. Specific disorders include chronic myelomonocytic leukemia (CMML), juvenile myelomonocytic leukemia (JMML), BCR-ABL negative atypical chronic myeloid leukemia (aCML) and unclassifiable MDS/MPN (MPN/MDS-U). Recurrent gene mutations in these conditions have been described. Among them, SETBP1 mutations have been identified in up to 32% of aCML, 24% of JMML, 18% of CMML and 10% of MDS/MPN-U patients. The mutation hotspot lies in the amino acid residues 858-871 in the SETBP1 protein. SETBP1 mutations in MDS/MPN overlap syndrome is associated with accelerated transformation to leukemia and poor prognosis. In this review, we summarized the latest data on the role of SETBP1 mutations in the overlap syndrome. SETBP1 mutations may serve as a biomarker for the diagnosis and poor prognosis of the overlap syndrome. PMID- 29225885 TI - Life-history strategy, resource dispersion and phylogenetic associations shape dispersal of a fig wasp community. AB - Background: The combined influence of life-history strategy and resource dispersion on dispersal evolution of a biological community, and by extension, on community assemblage, has received sparse attention. Highly specialized fig wasp communities are ideal for addressing this question since the life-history strategies that affect their pace of life and the dispersion of their oviposition resources vary. We compared dispersal capacities of the wasp community of a widespread tropical fig, Ficus racemosa, by measuring flight durations, somatic lipid content and resting metabolic rates. Results: Wasp species exhibiting greater flight durations had higher energy reserves and resting metabolic rates. "Fast"-paced species showed higher dispersal capacities reflecting requirements for rapid resource location within short adult lifespans. Longer-lived "slow" paced species exhibited lower dispersal capacities. Most dispersal traits were negatively related with resource dispersion while their variances were positively related with this variable, suggesting that resource dispersion selects for dispersal capacity. Dispersal traits exhibited a phylogenetic signal. Conclusions: Using a combination of phylogeny, trait functionality and community features, we explain how dispersal traits may have co-evolved with life-history strategies in fig wasps and influenced a predisposition for dispersal. We speculate how processes influencing dispersal trait expression of community members may affect resource occupancy and community assemblage. PMID- 29225886 TI - Correction to: A cross-validation-based approach for delimiting reliable home range estimates. AB - [This corrects the article DOI: 10.1186/s40462-017-0110-4.]. PMID- 29225887 TI - A prospective, longitudinal, study of men with borderline personality disorder with and without comorbid antisocial personality disorder. AB - Background: Some evidence suggests that the prevalence of Borderline Personality Disorder (BPD) is elevated among male criminal offenders. It is not presently known whether offending, and violent offending, are limited to those presenting comorbid Antisocial Personality Disorder (ASPD) who have a childhood history of conduct problems and whether offending is linked to psychopathic traits. Methods: A community sample of 311 males followed from age 6 to 33 years, one third of whom had a criminal charge between ages 18 and 24, completed diagnostic interviews and the Psychopathy Checklist-Revised interview. Information on childhood included parent-reported family characteristics and teacher-rated of hurtful and uncaring behaviours, conduct problems, hyperactivity and inattention, and anxiety at age 6, 10, and 12 years. Health files were obtained as were records of criminal convictions from age 12 to 33. Results: At age 33, 4% of the men presented BPD and not ASPD, 16% ASPD and not BPD, 8% BPD + ASPD, and 72% neither disorder (ND). Comorbid disorders were common: BPD were distinguished by high levels of anxiety disorders, BPD and BPD + ASPD by depression disorders, and BPD, BPD + ASPD, and ASPD by substance dependence. Official files indicated use of health services by all participants. One-third of participants with BPD and BPD + ASPD acquired a diagnosis of a personality disorder. More than one-third of participants with BPD + ASPD obtained scores indicative of the syndrome of psychopathy. Convictions for violent crimes varied across groups: In adolescence, BPD none, BPD + ASPD 16%, ASPD 16%, and ND 3.6%; from age 18 to 33, BPD 18%, ASPD 19%, BPD + ASPD 52%, and ND 4.4%. Offenders with BPD + ASPD were convicted, on average, for four times more violent crimes than offenders with ASPD and seven times more than ND offenders. In childhood, men with BPD + ASPD and with ASPD had obtained similarly elevated ratings for disruptive behaviours as compared to ND. Conclusion: BPD comorbid with ASPD was associated with violent criminal offending in adolescence and most strongly in adulthood, elevated levels of psychopathic traits, and childhood disruptive behaviour. BPD showed similar characteristics but to a much less degree. PMID- 29225888 TI - Contribution to diagnosis and treatment of bone marrow aspirate results in critically ill patients undergoing bone marrow aspiration: a retrospective study of 193 consecutive patients. AB - Background: The purpose of the work was to assess the contribution to diagnosis and/or treatment (CDT) of bone marrow aspiration (BMA) in the critically ill patient. Methods: The retrospective study included 193 patients. On the basis of BMA findings, contribution to diagnosis was defined by one of four previously unestablished diagnoses (maturation arrest of granulocyte precursors, hemophagocytic lymphohistiocytosis, hematological malignancy, marrow infiltration with cancer cells) and to treatment as the initiation or withdrawal of a specific treatment including the decision to forgo life-sustaining treatment (DFLST). Results: A CDT of BMA was observed in 40/193 patients (20.7%). BMA contributed to diagnosis in 37 cases (granulocyte precursor maturation arrest, N = 10; hemophagocytic lymphohistiocytosis, N = 12; hematological malignancy, N = 15) and to treatment in 14, including three DFLSTs. In multivariate analysis, the factors associated with a CDT were hematological malignancy, cancer or non-malignant hematological abnormality known on admission, indication for BMA excluding isolated thrombocytopenia, higher pre-BMA HScore (calculated prior to BMA), and higher SOFA score with or without platelet-count SOFA subscore. In the 160 patients without hematological malignancy or cancer known on admission, non malignant hematological abnormality known on admission, indication for BMA excluding isolated thrombocytopenia, higher pre-BMA HScore, and higher SOFA score calculated with or without platelet-count SOFA subscore were independently associated with a CDT of BMA. Conclusion: BMA can have a significant CDT in ICU patients with or without a known hematological malignancy or cancer on admission. An HScore calculated before BMA can be a valuable tool for predicting a CDT of BMA. PMID- 29225889 TI - Efficacy of sonographic and biological pleurodesis indicators of malignant pleural effusion (SIMPLE): protocol of a randomised controlled trial. AB - Introduction: Malignant pleural effusion (MPE) is common and currently in UK there are an estimated 50 000 new cases of MPE per year. Talc pleurodesis remains one of the most popular methods for fluid control. The value of thoracic ultrasound (TUS) imaging, before and after pleurodesis, in improving the quality and efficacy of care for patients with MPE remains unknown. Additionally, biomarkers of successful pleurodesis including measurement of pleural fluid proteins have not been validated in prospective studies.The SIMPLE trial is an appropriately powered, multicentre, randomised controlled trial designed to assess 'by the patient bedside' use of TUS imaging and pleural fluid analysis in improving management of MPE. Methods and analysis: 262 participants with a confirmed MPE requiring intervention will be recruited from hospitals in UK and The Netherlands. Participants will be randomised (1:1) to undergo either chest drain insertion followed by instillation of sterile talc, or medical thoracoscopy and simultaneous poudrage. The allocated procedure will be done while the patient is hospitalised, and within 3 days of randomisation. Following hospital discharge, participants will be followed up at 1, 3 and 12 months. The primary outcome measure is the length of hospital stay during initial hospitalisation. Ethics and dissemination: The trial has received ethical approval from the South Central-Oxford C Research Ethics Committee (Reference number 15/SC/0600). The Trial Steering Committee includes an independent chair and members, and a patient representative. The trial results will be published in a peer-reviewed journal and presented at international conferences. Trial registration number: ISRCTN: 16441661. PMID- 29225890 TI - Can peer support be cost saving? An economic evaluation of RAPSID: a randomized controlled trial of peer support in diabetes compared to usual care alone in East of England communities. AB - Background: Diabetes peer support, where one person with diabetes helps others, may improve diabetes management. The objective of this study was to perform a cost analysis of peer support strategies used in RAndomized controlled trial of Peer Support in type 2 Diabetes. Methods: We performed a 2*2 factorial randomized cluster controlled trial in England. People with type 2 diabetes were invited to participate as either 'peer' or 'peer support facilitator' (PSF) through postal invitation predominantly from general practice. Clusters, based on local communities, were each randomly assigned to one arm of group, 1:1, both group and 1:1 or control interventions. The intervention was delivered over 8-12 months by trained PSFs, supported by monthly meetings with a diabetes nurse. Out-of-pocket expenses/service utilization were self-reported at baseline, midpoint and on trial completion. Intervention costs were collated. Non-hospital costs used National Health Service (NHS) reference costs. Hospital payments were obtained from one local commissioning group and mean payments calculated. The analysis employed a societal perspective. Costs were evaluated at the conclusion of the trial. Results: Participants (n=1299) were recruited across 130 clusters. The four arms were well balanced and matched (60% male, mean diabetes duration 9.5 years, mean glycated haemoglobin (HbA1c) 7.4+/-1.3%, 17% insulin treated). Implementation costs at 2013 rates were L13.84/participant/annum, participant out of-pocket expenses for any intervention were L11.41/participant/annum and the NHS incurred costs were reduced by L138.38/participant/annum. Savings for the 1:1, group and any intervention were L233.65, L90.52 and L113.13/participant/annum, respectively. Conclusions: We conclude that both 1:1 and group diabetes peer support over 8-12 months are cost saving in this setting, although much of the benefit is largely derived by differences in self-reported healthcare utilization. Long-term benefits should be investigated. Trial registration number: ISRCTN66963621. PMID- 29225891 TI - Evaluation of a type 2 diabetes prevention program using a commercial weight management provider for non-diabetic hyperglycemic patients referred by primary care in the UK. AB - Objectives: To determine if a diabetes prevention program (DPP) delivered by a commercial weight management provider using a UK primary care referral pathway could reduce the progression to type 2 diabetes (T2D) in those diagnosed with non diabetic hyperglycemia (NDH-being at high risk of developing T2D). Research design: This is a quasi-experimental translational research study. Methods: 14 primary care practices identified, recruited and referred patients with NDH (fasting plasma glucose >=5.5 to <=6.9 mmol/L and/or glycated hemoglobin (HbA1c) >=42 to 47 mmol/mol (6.0%-6.4%)) and a body mass index (BMI) >=30 kg/m2 to a DPP. Eligible patients were asked to contact Weight Watchers to book onto their DPP, an intensive lifestyle intervention which included a 90 min activation session followed by the offer of 48 weekly Weight Watchers community group meetings. Patients' blood tests were repeated by primary care, weight change plus self reported data was recorded by Weight Watchers. Results: 166 patients were referred to the program and 149 were eligible. 79% of eligible patients attended an activation session (117 eligible patients) and 77% started the weekly sessions. The study sample was primarily female (75%), white (90%), with 5% living in the most deprived quintile in the UK. Using intention-to-treat analysis, the DPP resulted in a mean reduction in HbA1c of 2.84 mmol/mol at 12 months (from 43.42+/-1.28 to 40.58+/-3.41, p<0.01). 38% of patients returned to normoglycemia and 3% developed T2D at 12 months. There was a mean weight reduction in BMI of 3.2 kg/m2 at 12 months (35.5 kg/m2+/-5.4 to 32.3 kg/m2+/-5.2, p<0.01). Conclusion: A UK primary care referral route partnered with this commercial weight management provider can deliver an effective DPP. The lifestyle changes and weight loss achieved in the intervention translated into considerable reductions in diabetes risk, with an immediate and significant public health impact. PMID- 29225892 TI - Correlates of second-line type 2 diabetes medication selection in the USA. AB - Objective: Past research provides insufficient evidence to inform second-line diabetes medication prescribing when metformin is no longer sufficient. We evaluated patient, prescriber, and health plan characteristics associated with selection of second-line diabetes medications in the USA. Research design and methods: We used a multiple case-comparison study design to identify characteristics associated with the probability of starting each of six second line diabetes medication alternatives within 77 744 adults enrolled in commercial or Medicare Advantage health plans from 2011 to 2015. National administrative data were provided by a large commercial health payer. Multinomial logistic regression models were used to identify characteristics independently associated with selecting each diabetes drug class. Results: From 2011 to 2015, sulfonylureas still represented 47% of all second-line drug starts, with proportionately higher use in patients >=75 years of age (63% of drug starts). Basal insulin was more likely to be selected when a past A1c test result was >10% (13.0% vs 4.5% for those with A1c <8%; p<0.001). Initiation of a glucagon-like peptide-1 receptor agonist was associated with being female (10.1% vs 6.0% for male; p<0.001) and having a diagnosis code for obesity (10.8% vs 6.9% for no diagnosis; p<0.001). For all drug classes, the recent prescribing behavior of the provider was a strong correlate of subsequent second-line drug selection. Conclusions: Sulfonylureas continue to represent almost half of second-line diabetes medication starts in the USA. This could reflect overuse for some groups such as older adults, for whom some alternatives may be safer, although more costly and potentially less effective. Future research should compare outcomes of medication choices and conditions under which particular classes are most effective. PMID- 29225893 TI - A novel approach to glycemic control in type 2 diabetes mellitus, partial jejunal diversion: pre-clinical to clinical pathway. AB - Objective: To explore partial jejunal diversion (PJD) via a side-to-side jejuno jejunostomy for improved glycemic control in type 2 diabetes mellitus (T2DM). PJD is an anatomy-sparing, technically simple surgery in comparison to the predominate metabolic procedures, Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG). Positive results in a rodent model prompted a human proof-of concept study. Research design and methods: Pre-clinically, 71 rats were studied in a model of metabolic dysfunction induced by a high-fat diet; 33 animals undergoing one of two lengths of PJD were compared with 18 undergoing sham, 10 RYGB and 10 jejuno-ileal bypass. Clinically, 15 adult subjects with treated but inadequately controlled T2DM (hemoglobin A1c (HbA1c) of 8.0%-11.0%), body mass index of 27.0-40.0 kg/m2, and C peptide >=3 ng/mL were studied. Follow-up was at 2 weeks, and 3, 6, 9, and 12 months post-PJD. Results: Pre-clinically, positive impacts with PJD on glucose homeostasis, cholesterol, and body composition versus sham control were demonstrated. Clinically, PJD was performed successfully without serious complications. Twelve months post-surgery, the mean (SD) reduction from baseline in HbA1c was 2.3% (1.3) (p<0.01). Conclusions: PJD may provide an anatomy sparing, low-risk, intervention for poorly controlled T2DM without significant alteration of the patient's lifestyle. The proof-of-concept study is limited by a small sample size and advanced disease, with 80% of participants on insulin and a mean time since diagnosis of over 10 years. Further study is warranted. Trial registration number: NCT02283632; Pre-results. PMID- 29225894 TI - Adolescents' perceptions of participation in group education using the Guided Self-Determination-Young method: a qualitative study. AB - Objective: Guided Self-Determination (GSD) is a person-centered communication and reflection method. Education in groups may have a greater impact than the content of the education, and constructive communication between parents and adolescents has been shown to be of importance. The purpose of this study was to describe adolescents' perceptions of participation in group education with the Guided Self Determination-Young (GSD-Y) method, together with parents, in connection with the introduction of continuous subcutaneous insulin infusion. Research design and methods: In the present qualitative interview study, 13 adolescents with type 1 diabetes were included after completing a GSD-Y group education program in connection with the introduction of continuous subcutaneous insulin infusion at three hospitals located in central Sweden. The adolescents were interviewed individually, and qualitative content analysis was applied to the interview transcripts. Results: Two categories that emerged from the analysis were the importance of context and growing in power through the group process. An overarching theme that emerged from the interviews was the importance of expert and referent power in growing awareness of the importance of self-management as well as mitigating the loneliness of diabetes. Conclusions: GSD-Y has, in various ways, mitigated experiences of loneliness and contributed to conscious reflection about self-management in the group (referent power) together with the group leader (expert power). Overall, this highlights the benefits of group education, and the GSD method emphasizes the person-centered approach. Trial registration number: ISRCTN22444034; Results. PMID- 29225895 TI - Higher health literacy is associated with better glycemic control in adults with type 1 diabetes: a cohort study among 1399 Danes. AB - Aim: Self-management of diabetes is influenced by a range of factors including the ability to access, understand, appraise, and use of health information in everyday life, which can collectively be called health literacy. We investigated associations between nine domains of health literacy and HbA1c level in people with type 1 diabetes. Methods: A cross-sectional study was conducted with 1399 people with type 1 diabetes attending a Danish specialist diabetes clinic. Health literacy was assessed using the nine-domain Health Literacy Questionnaire. The association between health literacy and HbA1c was analyzed using linear regression with adjustment for age, sex, educational attainment and diabetes duration. Results: Of the 1399 participants, 50% were women, mean age was 54 years, and mean HbA1c was 61 mmol/mol (7.8%). Higher health literacy scores were associated with lower HbA1c levels across eight of nine health literacy domains. This association remained significant after adjusting for educational attainment. Among the domains, 'Actively managing my health' had the strongest impact on HbA1c. This was in turn predicted by 'Appraising health information', 'Having sufficient information to manage health', and 'Social support for health'. Conclusions: Higher health literacy levels are associated with lower HbA1c regardless of educational background. This study highlights the importance of healthcare provision to respond to the health literacy levels of people with diabetes and to the possible need to provide program designed to enhance health literacy. PMID- 29225897 TI - 'Bottom-hung window' trauma in cats: neurological evaluation and outcome in 71 cats with bilateral hindlimb injury. AB - Objectives: Influence of neurological status on the mortality rate of paraparetic/paralysed cats presenting after entrapment in a bottom-hung window was evaluated. It was hypothesised that (1) loss of deep pain sensation at admission would not be a negative prognostic factor for regaining motor function and that (2) mortality rate would be influenced by the severity of neurological grade upon admission. Methods: Clinical and pathological data of affected cats that presented at our institution between 2001 and 2012 for this specific trauma were collected retrospectively: breed, age, sex, last contact with owner (<3 hours and >3 hours), whether the cat was suffering from monoparesis or paraparesis/paraplegia, duration of hospitalisation, rectal temperature, surface temperature of the skin of the hindlimbs, femoral pulse and tone of the pelvic musculature. Neurological status was categorised according to Scott's classification scheme with neurological grade 1 representing spinal pain on manipulation down to neurological grade 5 representing paraplegia with no deep pain sensation. Results: Data were collected for 98 cats that had been caught in the thoracolumbar area. A total of 71 cats were included in the statistical analysis after excluding 27 cats for the following reasons: monoparesis/monoplegia by getting one limb caught only (15), no initial neurological examination (5), was dead on arrival (1), caught within the thoracolumbar area but no clinical or neurological abnormalities (6). The proportional mortality rate overall was 35% (25/71) with 65% of these (16/25) dying with clinical signs of respiratory distress. The proportional mortality rate of patients with a neurological grade of 5 on admission was 55% (17/31). Conclusions: Mortality was influenced by the severity of neurological grade on admission, with the majority of cats having a neurological grade of 5 (paraplegia with loss of deep pain perception) at admission dying (11/31) rather than undergoing euthanasia on admission at the owner's request (6/31). In the survivors' group, loss of deep pain perception was not a negative prognostic factor for regaining motor function although it was associated with mortality. PMID- 29225896 TI - Incidence of diabetes mellitus and factors associated with its development in HIV positive patients over the age of 50. AB - Objective: We sought to determine the incidence and factors associated with development of diabetes mellitus (DM) in older HIV-infected individuals. Research design and methods: We analyzed data from people living with HIV (PLWH) >=50 years of age enrolled in a large urban HIV outpatient clinic in Vancouver, British Columbia. Patients were categorized as having DM if they had random blood sugar >=11.1 mmol/L, fasting blood sugar >=7 mmol/L, HbA1C >=6.5%, antidiabetic medication use during the follow-up period, or medical chart review confirming diagnosis of DM. We estimated the probability of developing DM, adjusting for demographic and clinical factors, using a logistic regression model. Results: Among 1065 PLWH followed for a median of 13 years (25th and 75th percentile (Q1 Q3): 9-18), the incidence of DM was 1.61/100 person-years follow-up. In the analysis of factors associated with new-onset DM (n=703), 88% were male, 38% had a history of injection drug use, 43% were hepatitis C coinfected, and median body mass index was 24 kg/m2 (Q1-Q3: 21-27). Median age at antiretroviral therapy (ART) initiation was 48 years (Q1-Q3: 43-53) and at DM diagnosis was 55 years (Q1 Q3: 50-61). Patients who started ART in 1997-1999 and had a longer exposure to older ART were at the highest risk of developing DM. Conclusions: Among PLWH aged >=50 years, the incidence of DM was 1.39 times higher than men in the general Canadian population of similar age. ART initiated in the early years of the epidemic and exposure to older ART appeared to be the main drivers of the development of DM. PMID- 29225898 TI - A survey of current practices and influences on the choice of suture material, pattern and size used in commonly performed procedures in UK small animal veterinary practice. AB - Objectives: A survey of UK veterinarians was conducted to determine factors influencing suture choice and current suture practice for common surgical procedures. Methods: An online survey was designed and the survey was sent to central practice emails obtained from the 2011 Royal College of Veterinary Surgeons (RCVS) practice database. Results: Two hundred and thirty-nine surveys were completed (203 with no additional postgraduate qualifications (NAQ), 16 with RCVS certificates and 19 with diplomas). Forty-seven per cent of veterinary surgeons reported they would benefit from Continued Professional Development (CPD) pertaining to suture material selection and techniques. The NAQ group ranked practice policy, colleague influence, cost of suture material and undergraduate teaching significantly greater than diploma and certificate holders. The widest differences between suture material selection, pattern and size were identified when comparing diploma holders and the NAQ group. Diploma holders tended to choose smaller sized suture material when compared with the NAQ group. Clinical significance: In conclusion, postgraduate qualifications have a significant effect on the choice, pattern and size of suture material used for many routine surgical procedures. Findings suggest that further postgraduate training pertaining to the selection and use of suture material is worthwhile and improved guidance of choice of suture material for commonly performed surgical procedures may be beneficial. PMID- 29225899 TI - A cluster randomized controlled trial for child and parent weight management: children and parents randomized to the intervention group have correlated changes in adiposity. AB - Background: Studies have suggested that obesity is linked within families and that successful interventions involve both the parent and child with obesity. However little information exists regarding similarities in adiposity and weight loss between the parent and child, especially in low socio-economic ethnically diverse households. Methods: The purpose of this study was to examine the relationships between the changes from baseline over time in adiposity, weight, health behaviors, and self-efficacy in children (n = 184) and parents (n = 184) participating in an 18-month weight loss program. Within the intervention group only and for each post-baseline time point, Pearson correlation coefficients were computed for children's changes (from baseline) in adiposity, weight, health behaviors, and self-efficacy, with their parents' corresponding changes from baseline, to determine how strongly the dyads were correlated. Results: At the completion of 18 months, the intervention group parents demonstrated strong positive correlations between parent and child change in waist circumference (r = 0.409, p < 0.001), triceps (r = 0.332, p < 0.001), and subscapular (r = 0.292, p = 0.002) skinfolds. There were no significant correlations between weight, health behaviors, eating, and exercise self-efficacy. Conclusions: The results suggest that in the Southern United States low-income parents and their children with obesity are strongly correlated. Trial registration: NCT01378806 Retrospectively Registered on June 22, 2011. PMID- 29225900 TI - Decreased magnesium status may mediate the increased cardiovascular risk associated with calcium supplementation. PMID- 29225901 TI - Immediate response in markers of inflammation and angiogenesis during exercise: a randomised cross-over study in heart transplant recipients. AB - Background: The present study explored and compared the immediate responses in markers of inflammation and angiogenesis in maintenance heart transplant (HTx) recipients before, during and after sessions of high-intensity interval training (HIT) versus moderate-intensity continuous training (MICT). The study aimed to explain some of the trigger mechanisms behind HIT in HTx recipients. Methods: This cross-over study included 14 HTx patients (mean+/-SD age: 53+/-13 years; time since HTx, 3+/-2 years). All participants underwent baseline blood samples and a cardiopulmonary exercise test during their first visit. The next two visits included one HIT session and one MICT session, in randomised order. Blood samples were taken during and after each exercise session. Myokines and inflammatory markers related to vascular inflammation, blood-platelet activation and modulation of angiogenesis were analysed. Results: The main findings in this study were (1) exercise, regardless of intensity, induced a significant immediate response in several vascular, angiogenetic and in particular platelet-derived inflammatory mediators in HTx recipients. (2) HIT showed trends to induce an increased response in von Willebrand factor, vascular endothelial growth factor-1 and angiopoetin-2, and a decreased response in growth differentiation factor-15, compared with MICT. Conclusions: This pattern and in particular the trend towards an increased angiogenetic mediator response could contribute to the beneficial effects of HIT in HTx recipients. Trial registration number: NCT02602834. PMID- 29225902 TI - Postprandial insulin assay as the earliest biomarker for diagnosing pre-diabetes, type 2 diabetes and increased cardiovascular risk. PMID- 29225904 TI - Late-stage left ventricular dysfunction in adult survivors of tetralogy of Fallot repair in childhood. AB - Objective: Left ventricular systolic dysfunction (LVSD) in adult survivors of tetralogy of Fallot (TOF) repair in childhood has been observed, although the relationship with long-term outcome remains inadequately described. Methods: A cohort of 44 consecutive adult patients with TOF repair in childhood were followed prospectively from January 2001 through June 2016. LVSD was defined as an echocardiographically derived left ventricular (LV) ejection fraction <0.55. Clinical and demographic characteristics in patients with and without LVSD were compared. Event-free survival (all-cause death or hospitalisation) was estimated using the product limit method. Results: The average time from childhood surgical repair to cohort inception was similar between groups (LVSD, 33.7+/-12.7 years; normal LV function, 36.1+/-14.9 years; P=0.62) as were their mean ages (LVSD, 36.5+/-14.5 years; normal LV function, 40.7+/-15.2 years; P=0.73). Patients with LVSD (n=13) had more prior surgeries, more frequent history of significant pulmonic regurgitation, right ventricular systolic dysfunction and more implantable cardiac devices. Over a total observation time of 15.5 years, patients with LVSD were at significantly higher risk of all-cause death or hospitalisation (P=0.006). Onset of LVSD frequently preceded an adverse outcome. Conclusions: In this cohort of adult patients with TOF repair in childhood followed for a total of 550 patient-years, the frequency of LVSD was 30%. LVSD was associated with lower event-free survival. The appearance of LVSD many years after TOF repair may herald the onset of an adverse outcome. PMID- 29225903 TI - Early clinical outcomes as a function of use of newer oral P2Y12 inhibitors versus clopidogrel in the EUROMAX trial. AB - Objective: To ascertain whether different oral P2Y12 inhibitors might affect rates of acute stent thrombosis and 30-day outcomes after primary percutaneous coronary intervention (pPCI). Methods: The European Ambulance Acute Coronary Syndrome Angiography (EUROMAX) randomised trial compared prehospital bivalirudin with heparin with optional glycoprotein IIb/IIIa inhibitor treatment in patients with ST-segment elevation myocardial infarction triaged to pPCI. Choice of P2Y12 inhibitor was at the investigator's discretion. In a prespecified analysis, we compared event rates with clopidogrel and newer oral P2Y12 inhibitors (prasugrel, ticagrelor). Rates of the primary outcome (acute stent thrombosis) were examined as a function of the P2Y12 inhibitor used for loading and 30-day outcomes (including major adverse cardiac events) as a function of the P2Y12 inhibitor used for maintenance therapy. Logistic regression was used to adjust for differences in baseline characteristics. Results: Prasugrel or ticagrelor was given as the loading P2Y12 inhibitor in 49% of 2198 patients and as a maintenance therapy in 59%. No differences were observed in rates of acute stent thrombosis for clopidogrel versus newer P2Y12 inhibitors (adjusted OR 0.50, 95% CI 0.13 to 1.85). After adjustment, no difference was observed in 30-day outcomes according to maintenance therapy except for protocol major (p=0.029) or minor (p=0.025) bleeding and Thrombolysis In Myocardial Infarction minor bleeding (p=0.002), which were less frequent in patients on clopidogrel. Consistent results were observed in the bivalirudin and heparin arms. Conclusions: The choice of prasugrel or ticagrelor over clopidogrel was not associated with differences in acute stent thrombosis or 30-day ischaemic outcomes after pPCI. Trial registration number: NCT01087723. PMID- 29225905 TI - Added sugars drive coronary heart disease via insulin resistance and hyperinsulinaemia: a new paradigm. PMID- 29225907 TI - Changes in the gut microbiota composition and the plasma ghrelin level in patients with Helicobacter pylori-infected patients with eradication therapy. AB - Objective: To investigate the influence of antimicrobials on both the gut microbiota structure and the plasma ghrelin level using Helicobacter pylori infected patients who underwent eradication therapy. Design: Twenty H. pylori infected patients (mean age 68.3 years old) who underwent eradication therapy participated in the study. For the therapy, patients had 1 week of triple therapy consisting of amoxicillin, clarithromycin and proton-pump inhibitors. Stool and blood samples were obtained before (S1), immediately after (S2) and/or 3 months after (S3) the therapies. The concentrations of ghrelin and leptin in the blood were assayed using an ELISA. The V3-V4 region of the 16S rRNA gene was amplified using bacterial DNA from the stool, and about 50 000 high-quality amplicons per sample were grouped into operational taxonomic units for bacteriological analyses. Results: The Bacteroidetes:Firmicutes (B:F) ratio was significantly greater at S3 than S1 (P<0.01). This increase in the B:F ratio between S3 and S1 was found in 15 out of 20 patients. A significant decrease in the concentration of active ghrelin (P=0.003) in the plasma was observed between S3 and S1. There was a statistically significant correlation between the rate of patients whose B:F ratio increased and that of patients whose active ghrelin level decreased between S3 and S1 according to Fisher's exact probability test (P=0.03). Conclusions: Changes in the gut microbiota, such as the B:F ratio after treatment with antimicrobials, might cause a change in the plasma ghrelin level, as the direct and earliest target of antimicrobials would be the microbiota rather than the hormone-secreting system. PMID- 29225906 TI - Patient Engagement in Kidney Research: Opportunities and Challenges Ahead. AB - Purpose of Review: Patient engagement in research is increasingly recognized as an important component of the research process and may facilitate translation of research findings. To heighten awareness on this important topic, this review presents opportunities and challenges of patient engagement in research, drawing on specific examples from 4 areas of Canadian kidney research conducted by New Investigators in the Kidney Research Scientist Core Education and National Training (KRESCENT) Program. Sources of Information: Research expertise, published reports, peer-reviewed articles, and research funding body websites. Methods: In this review, the definition, purpose, and potential benefits of patient engagement in research are discussed. Approaches toward patient engagement that may help with translation and uptake of research findings into clinical practice are highlighted. Opportunities and challenges of patient engagement are presented in both basic science and clinical research with the following examples of kidney research: (1) precision care in focal and segmental glomerulosclerosis, (2) systems biology approaches to improve management of chronic kidney disease and enhance kidney graft survival, (3) reducing the incidence of suboptimal dialysis initiation, and (4) use of patient-reported outcome measures (PROMs) and patient-reported experience measures (PREMs) in kidney practice. Key Findings: Clinical research affords more obvious opportunities for patient engagement. The most obvious step at which to engage patients is in the setting of research priorities. Engagement at all stages of the research cycle may prove to be more challenging, and requires a detailed plan, along with funds and infrastructure to ensure that it is not merely tokenistic. Basic science research is several steps removed from the clinical application and involves complex scientific concepts, which makes patient engagement inherently more difficult. Limitations: This is a narrative review of the literature that has been partly influenced by the perspectives and experiences of the authors and focuses on research conducted by the authors. The evidence base to support the suggested benefits of patient engagement in research is currently limited. Implications: The formal incorporation of patients' priorities, perspectives, and experiences is now recognized as a key component of the research process. If patients and researchers are able to effectively work together, this could enhance research quality and efficiency. To effectively engage patients, proper infrastructure and dedicated funding are needed. Going forward, a rigorous evaluation of patient engagement strategies and their effectiveness will be needed. PMID- 29225908 TI - An unusual presentation of tyrosine hydroxylase deficiency. AB - Background: Dopa-responsive dystonia (DRD) has largely been associated with autosomal dominant mutations in the GCH1 gene leading to GTP cyclohydrolase 1 deficiency. More recently, a deficiency in tyrosine hydroxylase (TH) has been recognized to cause DRD. This is a rare disorder resulting from genetic mutations in the TH gene on chromosome 11. The phenotype ranges from DRD with complete resolution on levodopa to infantile parkinsonism and encephalopathy only partially responsive to levodopa. Here we discuss an adult with TH deficiency with a history of possible parkinsonism and dystonia responsive to levodopa, notable for a residual dynamic segmental dystonia. Case presentation: Our patient grew up in rural Myanmar with limited medical care. Childhood was normal except for episodic illness with difficulty moving and speaking. At 18 years he developed difficulty writing. At 21 years he could not speak, walk, or write and was taken to a city hospital. Multiple medications were tried without benefit until he received carbidopa/levodopa, to which he had a miraculous response. Since then he has attempted to come off medication, however after several weeks his symptoms returned. On presentation to us at 31 years he was taking 450 mg levodopa/day and 4 mg trihexyphenidyl/day. He had a dynamic dystonia in his neck and trunk, subtle at rest and prominent with walking. He exhibited a sensory trick when touching his hand to his chin; improvement occurred to a lesser degree when he imagined touching his chin, and to an even lesser degree when the examiner touched his chin. He had no parkinsonism. He underwent genetic testing which revealed a homozygous variant mutation in the TH gene (p.Thr494Met) leading to a diagnosis of autosomal recessive tyrosine hydroxylase deficiency. Conclusions: TH deficiency can cause a broad range of clinical symptoms and severity. As more cases are discovered, the phenotype expands. Here we describe a unique case of DRD and possible parkinsonism due to TH deficiency with residual symptoms of dystonia that was task dependent and responded to a sensory trick. In addition, while the history is limited, it is possible he may have had episodes similar to "lethargy-irritability crises" seen in more severe cases. In large part he fits within the milder form of TH hydroxylase deficiency. PMID- 29225909 TI - Improved treatment satisfaction and medication adherence after readjusting oral medication regimens with the cooperation of health insurance pharmacy in type 2 diabetic patients in Japan. AB - Background: Treatment satisfaction and medication adherence can be improved if physicians carefully monitor the situations, check the level of difficulties patients experience when taking medications at specific times, and readjust medication regimens based on this information. However, physicians in Japan encounter difficulties in taking enough time to collect this information in clinical practice. The aim of the current study was to investigate improvements in satisfaction and adherence with the cooperation of a health insurance pharmacy in clinical practice. Methods: We retrospectively analyzed 29 type 2 diabetic outpatients who were receiving their prescriptions at a medical clinic and filling prescriptions at a nearby pharmacy. The pharmacy collected information regarding satisfaction, adherence, and preferred time of taking medications, and provided these data to the clinic. The oral medication regimens for these 29 patients were readjusted based on the information obtained. Results: After readjustments, the dosing frequency was decreased from 3.4 +/- 1.2 to 1.8 +/- 0.5 times/day, and the number of pills was reduced from 5.7 +/- 2.0 to 4.5 +/- 1.7 (both p < 0.001). Increases in treatment satisfaction from 33 +/- 12 to 44 +/- 10 points (n = 29, p < 0.001) were observed when assessed using a questionnaire (60 point maximum). Medication adherence based on pill counts increased from 75% +/- 22% to 91% +/- 14% (n = 24, p < 0.001) (5 patients were excluded due to missing data). Conclusions: Treatment satisfaction and medication adherence were improved after readjustments of oral medication regimens with the cooperation of a health insurance pharmacy in clinical practice in Japan. PMID- 29225910 TI - Reduced susceptibility to fluconazole in a cat with histoplasmosis. AB - Case summary: An 11-year-old neutered male domestic longhair cat was diagnosed with histoplasmosis from fine-needle aspirates of an abdominal lymph node. Lymph node size initially decreased with fluconazole therapy (11.8 mg/kg PO q12h); however, after 13 months of continuous fluconazole therapy, lymphadenomegaly worsened and samples were collected for culture and antifungal susceptibility. The Histoplasma capsulatum isolate had a very high fluconazole minimum inhibitory concentration (MIC) of 64 ug/ml and an itraconazole MIC of 0.06 ug/ml. The owner declined a change to itraconazole and, ultimately, the cat developed neurologic signs and was euthanized. Owing to the initial response to fluconazole followed by treatment failure and high MIC value, acquired fluconazole resistance was suspected. Clinical breakpoints for fluconazole for the dimorphic fungi are not available to define true antifungal resistance. Relevance and novel information: This is the first published report of reduced susceptibility to fluconazole in a cat being treated for histoplasmosis. Fluconazole failure and increases in MIC between pretreatment and long-term treatment isolates are known to occur in humans with histoplasmosis. Practitioners should be aware of this possibility when treating cats with fluconazole (particularly in cases with long-term [>1 year] fluconazole therapy or in cases with disease recrudescence). PMID- 29225911 TI - Understanding muscle-immune interactions in adolescent idiopathic scoliosis: a feasibility study. AB - Background: Adolescent idiopathic scoliosis (AIS) is the most common form of scoliosis in children, and its cause remains unknown. The Immune-metabolic CONnections to Scoliosis (ICONS) Study was designed to elucidate the potential mechanisms by which immune system-paraspinal muscle crosstalk contributes to the development of AIS. In this report, we document the evaluation of ICONS Study feasibility. Methods: This study was conducted at a tertiary pediatric academic center in Hamilton, Ontario, Canada. We included boys and girls, aged 10-17 years with a diagnosis of AIS requiring corrective spinal surgery. Exclusion criteria included patients on high-dose steroids, immunosuppressive therapy, anti thrombotic medications, those with an active infection for 15 days before participation, autoimmune disease, pregnancy, and patients who were unwilling to consent.Pre-determined feasibility criteria included permission to approach participants and recruitment rates of 80%, consenting of at least 80% of participants to provide biological samples, 90% or higher case report form and questionnaire completion, resources to be sufficient in at least 80% of recruitments, and the ability to successfully collect and process 80% or more of the biological samples needed for this study. Results: Between August 2013 and October 2014, we identified 32 potential participants with AIS, but had the resources to approach only 16, of which 12 (75%) agreed to be approached by the research team, and all consented to participate. Of the 12 participants recruited, 11 questionnaire packages and muscle biopsies (91.7% for each objective) were collected, while other biological samples (serum, plasma, whole blood for DNA and RNA processing, urine) were collected from all participants. Conclusions: The ICONS study protocols and procedures are feasible. However, recruitment rates were less than predicted. For the full study, we plan on prolonging the recruitment phase and the inclusion of additional centers to achieve recruitment targets. PMID- 29225912 TI - Effects of virtual rehabilitation versus conventional physical therapy on postural control, gait, and cognition of patients with Parkinson's disease: study protocol for a randomized controlled feasibility trial. AB - Background: There is an association among postural instability, gait dysfunction, and cognitive impairment in subjects with Parkinson's disease (PD). Difficulty in dividing attention, response inhibition, and visuospatial attention deficiencies may contribute to the impairment of motor performance during daily activities. There are strong evidences that physical therapy can prevent physical and cognitive decline in individuals with PD. Recently, the European Physiotherapy Guideline (EPG) was developed based on randomized clinical trials about the effectiveness of the physical therapy to improve the functional deficiencies of individuals with PD. The EPG did not include the use of promising new intervention as virtual reality in PD due the lack of studies about its safety, feasibility and effectiveness. Therefore, this study protocol had as objective to evaluate the feasibility, safety and effectiveness of a physical therapy program based on the European Physiotherapy Guideline (EPG) compared to Kinect-based training on postural control, gait, cognition, and quality of life (QoL) of Individuals with PD. Methods/design: A single-blind, parallel, randomized, controlled feasibility trial will be conducted with a sample of 32 individuals diagnosed with idiopathic PD. Participants will be allocated into control group (CG) and experimental group (EG). The intervention of the CG will be conventional physical therapy, and the intervention of the EG will be a supervised practice of five Kinect games. Both groups will perform 14 sessions of 1 h each one, twice a week over 7 weeks. Process outcomes will be safety, feasibility, adherence, and acceptability. Safety will be assessed by the proportion of participants who experienced intervention-related adverse events or any serious adverse event during the study period. Feasibility will be assessed through the scores of the games recorded in all training sessions. Adherence will be assessed through the participant's attendance. Acceptability will be the motivation of the participants regarding the interventions. Clinical outcomes will be (1) postural control, (2) cognitive function, (3) balance, (4) gait, and (5) QoL. Individuals will be assessed pre- and post-interventions and after 30 days by a blinded evaluator. Discussion: This protocol will clarify if an intervention based on Kinect games will be feasible, safe, and acceptable for individuals with PD compared to conventional physical therapy. We will verify whether the proposed interventions can improve clinical outcomes as postural control, gait, cognition, and QoL of individuals with PD. Our hypothesis is that both Kinect games and conventional physical therapy will be feasible, safe, and acceptable for individuals with PD and will promote positive clinical effects. The results of this feasibility study will be used to design a future definitive clinical trial. Trial registration: Unique identification number in WHO Trial Registration: U1111 1171-0371. Brazilian Clinical Trial Registration Number RBR-27kqv5, registration date: February, 2016. PMID- 29225913 TI - Action 3:30R: protocol for a cluster randomised feasibility study of a revised teaching assistant-led extracurricular physical activity intervention for 8- to 10-year-olds. AB - Background: Approximately half of 7-year-old children do not meet physical activity (PA) recommendations. Interventions targeting primary school children's afterschool discretionary time could increase PA. Teaching assistants (TAs) are a school resource and could be trained to deliver after-school PA programmes. Building on earlier work, this paper describes the protocol for a cluster randomised feasibility study of a teaching assistant-led after-school intervention aimed at increasing PA levels of year 4 and 5 children (8-10 years old). Methods: Phase 1-pre-baseline: 12 schools will be recruited. In all schools, self-reported PA will be measured in all consenting year 3 and 4 children. In four schools, pupils will additionally wear a waist-worn Actigraph accelerometer for 7 days.Phase 2-baseline: schools will be randomised to one of two enhanced recruitment strategies being tested for children: (1) a club briefing and (2) the briefing plus a taster Action 3:30 session. Up to 30 children per school will be able to attend Action 3:30 sessions and will provide baseline data on height, weight, psychosocial variables and accelerometer measured PA.Phase 3-intervention and follow-up: Schools randomised into intervention or control arm. Intervention schools (n = 6) will receive a 15-week after-school programme when children are in years 4 and 5, run by TAs who have attended a 25-h Action 3:30 training programme. Control schools (n = 6) will continue with normal practice. Follow-up measures will be a repeat of baseline measures at the end of the 15-week intervention.Phase 4-process evaluation: session attendance, perceived enjoyment and perceived exertion will be assessed during the intervention, as well as the economic impact on schools. Post-study qualitative assessments with TAs, school contacts and pupils will identify how the programme could be refined. Accelerometer-determined minutes of moderate-to vigorous physical activity (MVPA) per day will be calculated as this is likely to be the primary outcome in a future definitive trial. Discussion: The Action 3:30 cluster randomised feasibility trial will assess the public health potential of this intervention approach and provide the information necessary to progress to a definitive cluster randomised controlled trial. Trial registration: ISRCTN34001941. Registered 01/12/2016. PMID- 29225914 TI - Status of hypertension screening in the Korea National General Health Screening Program: a questionnaire survey on 210 screening centers in two metropolitan areas. AB - Background: The purpose of this survey was to evaluate the performance of hypertension screening in medical institutions conducting the national general health screening program of the Republic of Korea. Methods: We contacted 700 medical institutions of Seoul and Incheon areas which performed the national general health screening program in 2016, and 210 of them completed telephone survey. The questions asked in the survey include equipment, environment, personnel and quality control procedures for blood pressure (BP) measurement, and interpretation of the measurements. Results: A majority of the responding screening centers used oscilloscope sphygmomanometers (51.9%), had only one-sized cuff (65.2%), and measured BP in open space (54.3%). BP levels were measured mainly by nurses (62.0%) and doctors (25.0%), after a 1 to10 minutes (84.9%) of resting period. A 75.2% of screening centers regularly calibrated sphygmomanometers, 81.4% had a manual for BP measurement, and 59.0% had a training program. A 80.0% of respondents answered that they used averages of multiple BP measurements to determine an individual's BP level, and 82.9% answered that criteria for hypertension was systolic BP >=140 mmHg and/or diastolic BP >= 90 mmHg. If a screening finds an individual with hypertension, 82.9% of centers recommend revisiting for a second BP measurement rather than start medication immediately. Conclusion: In most medical institutions performing general health screening program, certified medical personnel measure BP and interpret the results according to established protocols. However, there is room for improvement in the equipment, environment and quality control procedures for BP measurement. PMID- 29225915 TI - MDHAQ/RAPID3 scores in patients with osteoarthritis are similar to or higher than in patients with rheumatoid arthritis: a cross-sectional study from current routine rheumatology care at four sites. AB - Objective: To compare patients with a primary diagnosis of osteoarthritis (OA) versus rheumatoid arthritis (RA) for scores on a patient self-report MDHAQ/RAPID3 (Multidimensional Health Assessment Questionnaire/Routine Assessment of Patient Index Data 3), and for physician global assessment (DOCGL). Methods: All patients with all diagnoses complete an MDHAQ/RAPID3 at all routine rheumatology visits in the waiting area before seeing a rheumatologist at four sites, one in Australia and three in the USA. The two-page MDHAQ includes 0-10 scores for physical function (in 10 activities), pain and patient global assessment [on 0-10 visual analogue scales (VAS)], compiled into a 0-30 RAPID3, as well as fatigue and self report painful joint count scales. Rheumatologists estimate a 0-10 DOCGL VAS. Demographic, MDHAQ/RAPID3 and DOCGL data from a random visit were compared in patients with RA versus patients with OA using multivariate analysis of variance, adjusted for age, disease duration and formal education level. Results: Median RAPID3 was higher in OA versus RA at all four sites (11.7-16.8 vs 6.2-11.8) (p<0.001 at three sites). Median DOCGL in OA versus RA was 5 vs 4, 4 vs 3.7, 2.2 vs 2.5 and 2 vs 1. Patterns were similar for individual RAPID3 items, fatigue and painful joint scales, and in stratified analyses of patients aged 55-70. Conclusion: Patient MDHAQ/RAPID3 and physician DOCGL indicate similar or higher disease burden in OA versus RA. Routine MDHAQ/RAPID3 allows direct comparisons of the two diseases. The findings suggest possible revision of current clinical and public policy views concerning OA. PMID- 29225916 TI - Prediction and benefits of minimal disease activity in patients with psoriatic arthritis and active skin disease in the ADEPT trial. AB - Objectives: To determine the proportion of patients with psoriatic arthritis in the Adalimumab Effectiveness in Psoriatic Arthritis trial achieving minimal disease activity (MDA) and its individual components at 1 or more visits over 144 weeks, identify baseline predictors of MDA achievement, and evaluate the association of MDA status with independent quality of life (QoL)-related patient reported outcomes (PROs). Methods: Univariate and multivariate analyses were used to identify the baseline characteristics that predicted achievement of MDA at individual time points (weeks 12 through 144) or sustained MDA (achievement of MDA at 2 consecutive time points 12 weeks apart). The association of independent QoL-related PROs with MDA achievement was evaluated at weeks 24 and 144. Results: In univariate analyses, higher baseline patient assessment of pain, tender joint count (TJC), enthesitis and Health Assessment Questionnaire-Disability Index (HAQ DI) score were significantly associated with lower likelihood of achieving MDA at later time points. Multivariate analyses confirmed higher baseline HAQ-DI as a significant predictor for failure to achieve MDA at later time points. Achievement of sustained MDA was associated with lower baseline TJC and HAQ-DI score. Achievement of different MDA components appeared to be treatment dependent. MDA achievers had significantly better QoL-related PROs and greater improvements in PROs from baseline to week 24 compared with non-achievers. Conclusions: Higher HAQ-DI score was the most consistent baseline factor that decreased the likelihood of achieving MDA and sustained MDA at later time points. Achieving MDA was associated with better independent QoL-related PROs. PMID- 29225917 TI - Role of P-glycoprotein on CD69+CD4+ cells in the pathogenesis of proliferative lupus nephritis and non-responsiveness to immunosuppressive therapy. AB - Introduction: P-glycoprotein (P-gp) expression on activated lymphocytes in systemic lupus erythematosus (SLE) plays a role in active efflux of intracellular drugs, resulting in drug resistance. The role of P-gp-expressing lymphocytes in the pathogenesis of SLE remains unclear. The aim of this study was to determine the importance of P-gp+CD4+ cells in organ manifestations in refractory SLE. Methods: The proportion of P-gp+CD4+ cells was determined by flow cytometry in peripheral blood of patients with SLE (n=116) and healthy adults (n=10). Renal biopsy specimens were examined by immunohistochemistry for P-gp expression. Results: CD69 is a marker of CD4 cell activation. The proportion of both P-gp expressing CD4+ cells and CD69-expressing CD4+ cells in peripheral blood was higher in SLE than control. The proportion of P-gp+CD69+CD4+ cells correlated with Systemic Lupus Erythematosus Disease Activity Index and was higher in poor responders to corticosteroids. Furthermore, the proportion of P-gp+CD69+CD4+ cells was significantly higher in proliferative lupus nephritis (LN) with poor response to corticosteroids. The efficacy of immunosuppressive therapy depended on the regulation of the proportion of P-gp+CD69+CD4+ cells. Marked accumulation of P-gp+CD4+ cells in renal interstitial tissue and high proportion of peripheral P-gp+CD69+CD4+ cells were noted in patients with proliferative LN. Conclusions: The results showed high proportion of P-gp+CD69+CD4+ cells in peripheral blood and their accumulation in renal tissue in patients with proliferative LN refractory to CS therapy, suggesting that P-gp expression on activated CD4+ T cells is a potentially useful marker for refractoriness to treatment and a novel target for treatment. PMID- 29225918 TI - Correction: Efficacy and safety of non-pharmacological and non-biological pharmacological treatment: a systematic literature review informing the 2016 update of the ASAS/EULAR recommendations for the management of axial spondyloarthritis. AB - [This corrects the article DOI: 10.1136/rmdopen-2016-000397.][This corrects the article DOI: 10.1136/rmdopen-2016-000397.]. PMID- 29225919 TI - Multiple common and rare variants of ABCG2 cause gout. AB - Objective: Previous studies have suggested an association between gout susceptibility and common dysfunctional variants in ATP-binding cassette transporter subfamily G member 2/breast cancer resistance protein (ABCG2/BCRP), including rs72552713 (Q126X) and rs2231142 (Q141K). However, the association of rare ABCG2 variants with gout is unknown. Therefore, we investigated the effects of rare ABCG2 variants on gout susceptibility in this study. Methods: We sequenced the exons of ABCG2 in 480 patients with gout and 480 healthy controls (Japanese males). We also performed functional analyses of non-synonymous variants of ABCG2 and analysed the correlation between urate transport function and scores from the protein prediction algorithms (Sorting Intolerant from Tolerant (SIFT) and Polymorphism Phenotyping v2 (PolyPhen-2)). Stratified association analyses and multivariate logistic regression analysis were performed to evaluate the effects of rare and common ABCG2 variants on gout susceptibility. Results: We identified 3 common and 19 rare non-synonymous variants of ABCG2. SIFT scores were significantly correlated with the urate transport function, although some ABCG2 variants showed inconsistent scores. When the effects of common variants were removed by stratified association analysis, the rare variants of ABCG2 were associated with a significantly increased risk of gout (OR=3.2, p=6.4*10-3). Multivariate logistic regression analysis revealed that the size effect of these rare ABCG2 variants (OR=2.7, p=3.0*10-3) was similar to that of the common variants, Q126X (OR=3.4, p=3.2*10-6) and Q141K (OR=2.3, p=2.7*10 16). Conclusions: This study revealed that multiple common and rare variants of ABCG2 are independently associated with gout. These results could support both the 'Common Disease, Common Variant' and 'Common Disease, Multiple Rare Variant' hypotheses for the association between ABCG2 and gout susceptibility. PMID- 29225920 TI - Relationship between shift work and the onset of rheumatoid arthritis. AB - Background: Environmental factors play a prominent role in rheumatoid arthritis (RA) aetiology. Shift work has previously been associated with increased RA risk in females. The aim of this study was to investigate the potential association, including a dose-response association, between permanent night shift work, rotating shift work and day-oriented shift work and risk of developing anticitrullinated peptide antibodies (ACPA)-positive and ACPA-negative RA. Methods: The present report is based on a population-based, case-control study with incident cases of RA (1951 cases and 2225 controls matched by age, gender and residential area). Using logistic regression, occurrence of RA among subjects who have been exposed to different kinds of shift work was compared with that among those who have never been exposed by calculating the OR with a 95% CI. Results: Rotating shift work and day-oriented shift work increased the risk of developing ACPA-positive RA (OR 1.3, 95% CI 1.0 to 1.7 and OR 1.3, 95% CI 1.0 to 1.6), but not ACPA-negative RA. Permanent night shift work appeared to be a protective factor both against ACPA-positive RA (OR 0.7, 95% CI 0.6 to 0.9) and ACPA-negative RA (OR 0.8, 95% CI 0.6 to 1.0). For both subsets of RA, significant trends showed a lower risk of developing RA with increasing duration of permanent night shift work (p value for trend 0.002 vs 0.04). Conclusions: Sleep restriction as a consequence of shift work is associated with several biological effects among which changes in melatonin production may be involved. The present epidemiological findings of a complex relationship between sleep patterns and different forms of RA may be of importance for increasing the understanding of the pathophysiology of RA. PMID- 29225921 TI - Geo-epidemiology of temporal artery biopsy-positive giant cell arteritis in Australia and New Zealand: is there a seasonal influence? AB - Objective: Previous studies, although inconclusive, have suggested possible associations of environmental risk factors with the development of giant cell arteritis (GCA). We aim to investigate seasonal influence on the incidence of GCA across Australia and New Zealand. Methods: In establishing an international study to investigate the molecular aetiology of GCA, archived temporal artery biopsy (TAB) specimens primarily from Australia and New Zealand were obtained. Demographic details including age, sex and date of TAB were collected from collaborating pathology departments. The season in which GCA was diagnosed was determined and compared with previous reports investigating the association between environmental risk factors and GCA. Results: Our study comprises data from 2224 TAB-positive patients with GCA; 2099 of which were from patients in Australia and New Zealand. The mean age at time of diagnosis was 76.4 years of age. The female-to-male ratio was 2.2:1. We noted equal distribution of the incidence rate across all four seasons (530-580 cases diagnosed every quarter). Statistical analysis of seasonal variation by Poisson regression and cosinor methods showed no incidence preponderance across seasons. Our results do not support a seasonal component contributing to the onset of disease. Our literature search identifies no consistent environmental risk factor in association with GCA. Conclusion: This is the largest GCA data set reported outside of Europe. Our results demonstrate equal distribution of the incidence rate across all four seasons. In contrast to some earlier reports, we did not identify evidence of a seasonal component contributing to the onset of disease. PMID- 29225922 TI - Using Participatory Learning & Action (PLA) research techniques for inter stakeholder dialogue in primary healthcare: an analysis of stakeholders' experiences. AB - Plain English summary: It is important for health care workers to know the needs and expectations of their patients. Therefore, service users have to be involved in research. To achieve a meaningful dialogue between service users, healthcare workers and researchers, participatory methods are needed. This paper describes how the application of a specific participatory methodology, Participatory Learning and Action (PLA) can lead to such a meaningful dialogue. In PLA all stakeholders are regarded as equal partners and collaborators in research.During 2011-2015, a European project called RESTORE used PLA in Austria, Greece, Ireland, The Netherlands and the UK to investigate how communication between primary health care workers and their migrant patients could be improved.Seventy eight migrants, interpreters, doctors, nurses and other key stakeholders (see Table 2) participated in 62 PLA sessions. These dialogues (involving discussions, activities, PLA techniques and evaluations) were generally 2-3 h long and were recorded and analysed by the researchers.Participants reported many positive experiences about their dialogues with other stakeholders. There was a positive, trusting atmosphere in which all stakeholders could express their views despite differences in social power. This made for better understanding within and across stakeholder groups. For instance a doctor changed her view on the use of interpreters after a migrant explained why this was important. Negative experiences were rare: some doctors and healthcare workers thought the PLA sessions took a lot of time; and despite the good dialogue, there was disappointment that very few migrants used the new interpreting service. Abstract: Background In order to be effective, primary healthcare must understand the health needs, values and expectations of the population it serves. Recent research has shown that the involvement of service users and other stakeholders and gathering information on their perspectives can contribute positively to many aspects of primary healthcare. Participatory methodologies have the potential to support engagement and dialogue between stakeholders from academic, migrant community and health service settings. This paper focuses on a specific participatory research methodology, Participatory Learning and Action (PLA) in which all stakeholders are regarded as equal partners and collaborators in research.Our research question for this paper was: "Does the application of PLA lead to meaningful engagement of all stakeholders, and if so, what elements contribute to a positive and productive inter-stakeholder dialogue?". Methods We explored the use of PLA in RESTORE, a European FP7-funded project, during 2011 2015 in 5 countries: Austria, Greece, Ireland, the Netherlands and the UK. The objective of RESTORE was to investigate and support the implementation of guidelines and training initiatives (G/TIs) to enhance communication in cross cultural primary care consultations with migrants.Seventy eight stakeholders (migrants, interpreters, doctors, nurses and others - see Table 2) participated in a total of 62 PLA sessions (discussions, activities, evaluations) of approximately 2-3 h' duration across the five sites. During the fieldwork, qualitative data were generated about stakeholders' experiences of engagement in this dialogue, by means of various methods including participatory evaluations, researchers' fieldwork reports and researcher interviews. These were analysed following the principles of thematic analysis. Results Stakeholders involved in PLA inter-stakeholder dialogues reported a wide range of positive experiences of engagement, and very few negative experiences. A positive atmosphere during early research sessions helped to create a sense of safety and trust. This enabled stakeholders from very different backgrounds, with different social status and power, to offer their perspectives in a way that led to enhanced learning in the group - they learned with and from each other. This fostered shifts in understanding - for example, a doctor changed her view on interpreted consultations because of the input of the migrant service-users. Conclusion PLA successfully promoted stakeholder involvement in meaningful and productive inter stakeholder dialogues. This makes it an attractive approach to enhance the further development of health research partnerships to advance primary healthcare. PMID- 29225923 TI - Experimental adaptation of human echovirus 11 to ultraviolet radiation leads to resistance to disinfection and ribavirin. AB - Ultraviolet light in the UVC range is a commonly used disinfectant to control viruses in clinical settings and water treatment. However, it is currently unknown whether human viral pathogens may develop resistance to such stressor. Here, we investigate the adaptation of an enteric pathogen, human echovirus 11, to disinfection by UVC, and characterized the underlying phenotypic and genotypic changes. Repeated exposure to UVC lead to a reduction in the UVC inactivation rate of approximately 15 per cent compared to that of the wild-type and the control populations. Time-series next-generation sequencing data revealed that this adaptation to UVC was accompanied by a decrease in the virus mutation rate. The inactivation efficiency of UVC was additionally compromised by a shift from first-order to biphasic inactivation kinetics, a form of 'viral persistence' present in the UVC resistant and control populations. Importantly, populations with biphasic inactivation kinetics also exhibited resistance to ribavirin, an antiviral drug that, as UVC, interferes with the viral replication. Overall, the ability of echovirus 11 to adapt to UVC is limited, but it may have relevant consequences for disinfection in clinical settings and water treatment plants. PMID- 29225924 TI - CT Dental Artifact: Comparison of an Iterative Metal Artifact Reduction Technique with Weighted Filtered Back-Projection. AB - Background: Dental hardware produces streak artifacts on computed tomography (CT) images reconstructed with the standard weighted filtered back projection (wFBP) method. Purpose: To perform a preliminary evaluation of an iterative metal artifact reduction (IMAR) technique to assess its ability to improve anatomic visualization over wFBP in patients with dental amalgam or other hardware. Material and Methods: CT images from patients with dental hardware were reconstructed using wFBP and IMAR software and soft-tissue or bone window/level settings. The anatomy most affected by metal artifacts was identified. Two neuroradiologists determined subjective and objective imaging features, including overall metal artifact score (1 = severe artifacts, 5 = no artifacts), soft tissue visualization score of the most-compromised structure, and artifact length along the skin surface. CT numbers were used to quantify artifact severity. Results: Twenty-four patients were included. IMAR improved overall metal artifact score in 18/24 cases (median =2 +/- 0.9 vs. 1 +/- 0.6, P < 0.001). Mean CT number in the most-affected anatomical structure significantly improved with IMAR (94.6 vs. 219 HU, P = 0.002) and length of affected skin surface decreased (40.4 mm vs. 118.7 mm, P < 0.001). However, osseous/dental artifactual defects were found in 22/24 cases with IMAR vs. 11/24 with wFBP. Conclusion: IMAR software reduced metal artifact both subjectively and objectively and improved visualization of adjacent soft tissues. However, it produced a higher rate of artifactual defects in the teeth and bones than wFBP. Our findings support the use of IMAR as a valuable complement to, but not a replacement for, standard wFBP image reconstruction. PMID- 29225925 TI - Metal drugs become targeted. PMID- 29225926 TI - Does expanding primary healthcare improve hospital efficiency? Evidence from a panel analysis of avoidable hospitalisations in 5506 municipalities in Brazil, 2000-2014. AB - Background: Hospitals account for the major share of health expenditure. Primary healthcare may improve efficiency at the hospital level by reducing avoidable admissions. We examined whether rapid expansion of primary healthcare in the context of Brazil's Family Health Strategy (FHS) was associated with a reduction in avoidable hospitalisations. Methods: We constructed panel data for 5506 municipalities over 2000-2014. Our primary outcome was the rate of avoidable hospitalisations, defined with reference to the official list of ambulatory care sensitive conditions (ACSC). The exposure variable was FHS coverage. We used first-difference models at the municipality level, controlling for municipality characteristics and confounding trends. We ran similar models for each of the 19 diseases in the list of ACSCs. Findings: FHS coverage expanded from 14% to 64% of the population between 2000 and 2014. Over the same period, the rate of avoidable hospitalisations fell from 17 to 10 per 1000 population. Results from the econometric analysis show that the FHS at full coverage was associated with an increase of 0.6 (95% CI 0.3 to 0.9; p<0.001) in the rate of avoidable hospital admissions. Expansion of the FHS was associated with an increase of 866 (95% CI 762 to 970; p<0.001) in the rate of primary care consultations. The FHS was not significantly associated with a reduction in hospitalisations for any of the 19 conditions. Conclusions: While high-quality primary healthcare can deliver considerable health benefits to the population, it may not always be effective in addressing inefficiencies at the hospital level due to avoidable admissions. PMID- 29225927 TI - Institutionalising health technology assessment: establishing the Medical Technology Assessment Board in India. AB - India is at crossroads with a commitment by the government to universal health coverage (UHC), driving efficiency and tackling waste across the public healthcare sector. Health technology assessment (HTA) is an important policy reform that can assist policy-makers to tackle inequities and inefficiencies by improving the way in which health resources are allocated towards cost-effective, appropriate and feasible interventions. The equitable and efficient distribution of health budget resources, as well as timely uptake of good value technologies, are critical to strengthen the Indian healthcare system. The government of India is set to establish a Medical Technology Assessment Board to evaluate existing and new health technologies in India, assist choices between comparable technologies for adoption by the healthcare system and improve the way in which priorities for health are set. This initiative aims to introduce a more transparent, inclusive, fair and evidence-based process by which decisions regarding the allocation of health resources are made in India towards the ultimate goal of UHC. In this analysis article, we report on plans and progress of the government of India for the institutionalisation of HTA in the country. Where India is home to one-sixth of the global population, improving the health services that the population receives will have a resounding impact not only for India but also for global health. PMID- 29225928 TI - Causes of severe visual impairment and blindness in students in schools for the blind in Northwest Ethiopia. AB - Objectives: To determine the causes of severe visual impairment and blindness (SVI/BL) among students in schools for the blind in Northwest Ethiopia and to identify preventable and treatable causes. Method: Students attending nine schools for the blind in Northwest Ethiopia were examined and causes assigned using the standard WHO record form for children with blindness and low vision in May and June 2015. Results: 383 students were examined, 357 (93%) of whom were severely visually impaired or blind (<6/60 in their better eye). 253 (70.9%) were aged 16 years or above and 228 (63.9%) were males. 100 students aged <16 years were blind and four were SVI, total 104. The major anatomical site of visual loss among those 0-15 years was cornea/phthisis (47.1%), usually due to measles and vitamin A deficiency, followed by whole globe (22.1%), lens (9.6%) and uvea (8.7%). Among students aged 16 years and above, corneal/phthisis (76.3%) was the major anatomical cause, followed by lens (6.3%), whole globe (4.7%), uvea (3.6%) and optic nerve (3.2%). The leading underlying aetiology among students aged <16 years was childhood factors (39.4%) (13.5% measles, 10.6% vitamin A deficiency), followed by unknown aetiology (54.8%), perinatal (2.9%) and hereditary factors (2.9%). In the older group, childhood factors (72.3%) (25% measles, 15% vitamin A deficiency) were major causes, followed by unknown aetiology (24.1%), perinatal (2.4%) and hereditary factors (0.8%). Over 80% of the causes were avoidable with majority being potentially preventable (65%). Conclusion: Corneal blindness, mainly as the result of measles and vitamin A deficiency, is still a public health problem in Northwest Ethiopia, and this has not changed as observed in other low-income countries. More than three-fourth of causes of SVI/BL in students in schools for the blind are potentially avoidable, with measles/vitamin A deficiency and cataract being the leading causes. PMID- 29225929 TI - New global surgical and anaesthesia indicators in the World Development Indicators dataset. PMID- 29225930 TI - Using the Consolidated Framework for Implementation Research to implement and evaluate national surgical planning. AB - The Lancet Commission on Global Surgery defined six surgical indicators and a framework for a national surgical plan that aimed to incorporate surgical care as a part of global public health. Multiple countries have since begun national surgical planning; each faces unique challenges in doing so. Implementation science can be used to more systematically explain this heterogeneous process, guide implementation efforts and ultimately evaluate progress. We describe our intervention using the Consolidated Framework for Implementation Research. This framework requires identifying characteristics of the intervention, the individuals involved, the inner and outer setting of the intervention, and finally describing implementation processes. By hosting a consultative symposium with clinicians and policy makers from around the world, we are able to specify key aspects of each element of this framework. We define our intervention as the incorporation of surgical care into public health planning, identify local champions as the key individuals involved, and describe elements of the inner and outer settings. Ultimately we describe top-down and bottom-up models that are distinct implementation processes. With the Consolidated Framework for Implementation Research, we are able to identify specific strategic models that can be used by implementers in various settings. While the integration of surgical care into public health throughout the world may seem like an insurmountable challenge, this work adds to a growing effort that seeks to find a way forward. PMID- 29225931 TI - Community preferences for a social health insurance benefit package: an exploratory study among the uninsured in Vietnam. AB - Understanding public preferences in terms of health benefit packages (HBPs) remains limited, yet gathering community insights is an important endeavour when developing people-centred health systems and moving towards universal health coverage. Our study aimed to address this gap in knowledge by eliciting community preferences for the social health insurance benefit package among the uninsured in Vietnam. We adopted a mixed methods approach that included a ranking exercise followed by focus group discussions. We collected quantitative and qualitative data from 174 uninsured people in Bac Giang, a province in northern Vietnam. Study participants were purposively selected from 12 communities and assembled in 14 group sessions that entailed three stages: participants first selected and ranked benefit items individually, then in groups and finally they engaged in a discussion regarding their decisions. The majority of respondents (both as individuals and as groups) preferred an HBP that covers both curative and preventive care, with a strong preference for the inclusion of high-cost care, resulting from rare and costly events (inpatient care), as well as frequent and less costly events (drugs, tests and outpatient care). The process of group discussion highlighted how individual choices could be modified in the context of group negotiation. The shift in preferences was motivated by the wish to protect low-income people from catastrophic expenditure while maximising community access to vital yet costly healthcare services. Future research, interventions and policies can built on this initial exploration of preferences to explore how stakeholders can engage communities and support greater public involvement in the development of HBPs in Vietnam and other low-income and middle-income countries. PMID- 29225932 TI - Potential applications of telenephrology to enhance global kidney care. AB - Chronic kidney disease (CKD) is an important public health issue that increasingly affects more patients globally and is associated with adverse clinical consequences with huge economic impact. Effective management of patients with CKD requires delivery of kidney care in a primary care setting where possible and at a higher level with a nephrologist when necessary to improve outcomes. In many instances and for various reasons, it is not possible to follow this pathway of care delivery. With improving telecommunication technologies worldwide, it is hoped that increasing utilisation of electronic communication devices can be used to facilitate kidney care to improve the quality of care delivered to patients, especially those who live in remote regions. Kidney care and therefore outcomes for patients with CKD is often compromised due to lack of access to a nephrologist, either because of distance or shortage of nephrologists, high proportion of patients being unaware they have CKD, lack of population screening for early detection of CKD and risk factors and prevention programmes and poor patient adherence and absence of appropriate CKD management strategies. Telenephrology can play a significant role in addressing these factors and therefore can be leveraged to improve CKD outcomes globally, especially in low to middle-income countries. This paper provides an overview on the potential role of telenephrology in enhancing access to and quality of care delivered to patients with CKD to improve outcomes. PMID- 29225933 TI - Changing views on child mortality and economic sanctions in Iraq: a history of lies, damned lies and statistics. AB - In August 1990, Saddam Hussein's army invaded Kuwait and consequently the United Nations imposed economic sanctions on Iraq. In 1991, an international military alliance expelled the Iraqi army from Kuwait during a short war. Nevertheless, the economic sanctions remained in place-their removal required that Iraq should destroy its weapons of mass destruction. Subsequent years saw reports of acute suffering in Iraq. The sanctions undoubtedly greatly reduced the country's ability to import supplies of food and medicine. Particular concerns arose about the state of young children. These concerns crystalised in 1999 when, with cooperation from the Iraqi government, Unicef conducted a major demographic survey. The results of the survey indicated that the under-5 death rate in Iraq had increased hugely between 1990 and 1991 and had then continued at a very high level. The survey results were used both to challenge and support the case for the invasion of Iraq in 2003. And they were cited by Tony Blair in 2010 in his testimony to the Iraq Inquiry established by the British government. Indeed, the results of the 1999 Unicef/Government of Iraq survey are still cited. Since 2003, however, several more surveys dealing with child mortality have been undertaken. Their results show no sign of a huge and enduring rise in the under-5 death rate starting in 1991. It is therefore clear that Saddam Hussein's government successfully manipulated the 1999 survey in order to convey a very false impression-something that is surely deserving of greater recognition. PMID- 29225934 TI - Health policy and systems research: towards a better understanding and review of ethical issues. AB - Given the focus on health systems in the post-millennium development goal era and moving towards the sustainable development goals, there is a compelling need for a common framework for health policy and systems research ethics to guide researchers and facilitate review by research ethics committees. A consultation of global health policy and systems research and ethics experts was convened to identify ethical considerations relevant to health policy and systems research based on existing knowledge and to identify knowledge gaps through a scoping review and further expert deliberation. Health policy and systems research is highly complex and, in the absence of guidance documents, there is significant variability in ethics review. Although fundamental ethical principles pertain to both traditional clinical research and health policy and systems research, the application of these principles requires a comprehensive understanding of the nature of health policy and systems research with its distinct challenges. Such awareness must be raised among researchers and research ethics committees. Current research ethics committees lack familiarity with health policy and systems research and because health policy and systems research is conducted in real-world contexts, committees often have difficulties in determining whether a project is indeed research and/or requires ethical review. Given the strong current focus on health policy and systems research to rapidly improve health and health systems functioning globally, greater engagement and dialogue around the ethical concerns is required to optimise research review and research conduct in this rapidly evolving field. PMID- 29225935 TI - Gendered negotiations for research participation in community-based studies: implications for health research policy and practice. AB - There is a growing literature documenting the complex realities of consent processes in the field, and the negotiations and ethical dilemmas involved. Much has also been written about how gender and power shape household decision-making processes. However, these bodies of literature have rarely been brought together to inform research theory and practice in low-income settings. In this paper, qualitative research (observation, focus group discussions and interviews) were used alongside large clinical community-based studies conducted on the Kenyan Coast to explore how gender and power relations within households and communities and between fieldworkers and communities shape consent processes and interactions. This exploration is embedded in relevant literature and the implications for community-based health research policy and practice are considered. Across diverse forms of households, we observed significant consultation on whether or not to participate in research. Although men are typically described as household decision-makers, in practice, decision-making processes are often far more nuanced, with many women using their agency to control, sometimes subtly, the decisions made. Where decisions are made without adequately consulting women, many find strategies to exercise their choice, in ways that safeguard important relationships within households in the longer term. We also found that the gender of field staff who typically conduct research activities in the field, including consent processes, can influence household dynamics and decision-making processes with important implications for the science and ethics of research. It is essential that frontline field staff and their supervisors are aware of the complex and gendered realities of consent processes at household level, and their implications, and that they develop appropriate context-informed approaches that support ethical practice. PMID- 29225936 TI - Comparative analysis of gender differences in outcomes after trauma in India and the USA: case for standardised coding of injury mechanisms in trauma registries. AB - Introduction: While females generally have better outcomes than males after traumatic injury, higher mortality has been shown to occur in females after intentional trauma in lower-income countries. However, gender differences in trauma outcomes in different countries have not been previously compared. We conducted a two-country comparative analysis to characterise gender differences in mortality for different mechanisms of injury. Methods: Two urban trauma databases were analysed from India and the USA for fall, motor vehicle collision (MVC) and assault patients between 2013 and 2015. Coarsened exact matching was used to match the two groups based on gender, age, injury severity score, Glasgow Coma Score and type of injury (blunt vs penetrating). The primary outcome of mortality was studied by using logistic regression to calculate the odds of death in the four country/gender subgroups. Results: A total of 10 089 and 14 144 patients were included from the Indian and US databases, respectively. After matching on covariates, 7505 and 9448 patients were included in the logistic regression. Indian males had the highest odds of death compared with US males, US females and Indian females for falls, MVC and assaults. Indian females had over 7 times the odds of dying after falls, 5 times the odds of dying for MVC and 40 times the odds of dying after assaults when compared with US females. Conclusion: The high odds of death for Indian females compared with US females suggests that there are other injury and systemic factors that contribute to this discrepancy in mortality odds. This same mortality pattern and implication is seen for Indian males compared with all subgroups. Standardised coding of injury mechanism in trauma registries, in addition to intentionality of injury, can help further characterise discrepancies in outcomes by gender and country, to guide targeted injury prevention and care. PMID- 29225937 TI - Use of standardised patients to assess quality of healthcare in Nairobi, Kenya: a pilot, cross-sectional study with international comparisons. AB - Introduction: The quality of clinical care can be reliably measured in multiple settings using standardised patients (SPs), but this methodology has not been extensively used in Sub-Saharan Africa. This study validates the use of SPs for a variety of tracer conditions in Nairobi, Kenya, and provides new results on the quality of care in sampled primary care clinics. Methods: We deployed 14 SPs in private and public clinics presenting either asthma, child diarrhoea, tuberculosis or unstable angina. Case management guidelines and checklists were jointly developed with the Ministry of Health. We validated the SP method based on the ability of SPs to avoid detection or dangerous situations, without imposing a substantial time burden on providers. We also evaluated the sensitivity of quality measures to SP characteristics. We assessed quality of practice through adherence to guidelines and checklists for the entire sample, stratified by case and stratified by sector, and in comparison with previously published results from urban India, rural India and rural China. Results: Across 166 interactions in 42 facilities, detection rates and exposure to unsafe conditions were both zero. There were no detected outcome correlations with SP characteristics that would bias the results. Across all four conditions, 53% of SPs were correctly managed with wide variation across tracer conditions. SPs paid 76% less in public clinics, but proportions of correct management were similar to private clinics for three conditions and higher for the fourth. Kenyan outcomes compared favourably with India and China in all but the angina case. Conclusions: The SP method is safe and effective in the urban Kenyan setting for the assessment of clinical practice. The pilot results suggest that public providers in this setting provide similar rates of correct management to private providers at significantly lower out-of-pocket costs for patients. However, comparisons across countries are sensitive to the tracer condition considered. PMID- 29225938 TI - Health sector governance: should we be investing more? AB - Governance is central to improving health sector performance and achieving Universal Health Coverage (UHC). However, the growing body of research on governance and health has not yet led to a global consensus on the need for more investment in governance interventions to improve health. This paper aims to summarise the latest evidence on the influence of governance on health, examines how we can assess governance interventions and considers what might constitute good investments in health sector governance in resource constrained settings. The paper concludes that agendas for improving governance need to be realistic and build on promising in-country innovation and the growing evidence base of what works in different settings. For UHC to be achieved, governance will require new partnerships and opportunities for dialogue, between state and non-state actors. Countries will require stronger platforms for effective intersectoral actions and more capacity for applied policy research and evaluation. Improved governance will also come from collective action across countries in research, norms and standards, and communicable disease control. PMID- 29225939 TI - Mapping global policy discourse on antimicrobial resistance. AB - The rising importance of antimicrobial resistance (AMR) to the global health agenda is associated with a growing number of parties voicing their concern about the issue. With more recommendations and policies appearing, understanding the policy process requires making sense of the views, values, interests and goals of each participant. Policy frame analysis provides a method to understand both the scientific view and the actions advocated by global health actors to tackle AMR. Here we review and refine policy frame analyses of AMR using a deductive approach. Among several policy frames previously defined in the field of global health, we identify 'AMR as healthcare', 'AMR as development', 'AMR as innovation' and 'AMR as security' as frequent frames used in dealing with AMR. In addition, we found that 'AMR as One Health' constitutes a recent framing of the topic that seeks to provide an integrated understanding between human and animal health. Each frame originates in distinct scientific fields, conceptualises the main causes of AMR and prioritises different interventions and measurements. Better understanding and integration of these frames into an overarching social and ecological framework will support policy progress in tackling AMR. PMID- 29225940 TI - Chronic kidney disease and the global NCDs agenda. PMID- 29225942 TI - Correction: Improving the detection of environmental enteric dysfunction: a lactulose, rhamnose assay of intestinal permeability in children aged under 5 years exposed to poor sanitation and hygiene. AB - [This corrects the article DOI: 10.1136/bmjgh-2016-000066.]. PMID- 29225941 TI - Beyond menstrual hygiene: addressing vaginal bleeding throughout the life course in low and middle-income countries. AB - Girls and women experience numerous types of vaginal bleeding. These include healthy reproductive processes, such as menstruation and bleeding after childbirth, but also bleeding related to health conditions, such as fibroids or cancer. In most societies, the management of menstruation is handled covertly, something girls are often instructed about at menarche. The management of other vaginal bleeding is often similarly discreet, although behaviours are not well documented. In many societies, cultural taboos frequently hinder open discussion around vaginal bleeding, restricting information and early access to healthcare. Additionally, the limited availability of clean, accessible water and sanitation facilities in many low and middle-income countries augments the challenges girls and women face in conducting daily activities while managing vaginal bleeding, including participating in school or work, going to the market or fetching water. This paper aims to highlight the key vaginal bleeding experiences throughout a woman's life course and the intersection of these bleeding experiences with their access to adequate water and sanitation facilities, information and education sources, and supplies. The aim is to address the silence around girls and women's vaginal bleeding and their related social, physical and clinical management needs across the life course; and highlight critical gaps that require attention in research, practice and policy around this neglected topic of health and gender equality. PMID- 29225943 TI - How income and food prices influence global dietary intakes by age and sex: evidence from 164 countries. AB - Background: While income and prices are key drivers of dietary choices, how their influence varies by food category, nation, and demographics is not well established. Based on intake data for 164 countries and 11 food categories, we examined how income and food prices relate to food intake globally, including by world region, age, and sex. Methods: We used 2010 intake data from the Global Dietary Database, the first database of consumption estimates for major food categories by country, age, and sex. We combined these data with national per capita GDP and food price data. We estimated intake responsiveness to income and prices for each food category, accounting for differences by national income, world region, age, and sex. Results: We identified several differences in intake responsiveness. For example, rising income was estimated to increase milk intake most strongly in Sub-Saharan Africa and fruit intake most strongly among older women globally. Comparing our intake results to previous findings based on expenditure data, we found more goods that exhibited declining intake in response to rising incomes, fewer significant relationships for a number of food categories, particularly for higher income regions, and whereas in prior studies, elasticities mostly decrease with national income, we identified food categories where this was not the case. Conclusion: The results of this study show heterogeneous associations among income, prices, and food intakes. Policymakers should consider the price and income elasticities of certain foods, as well as the role of demographics within and across countries, as they address global nutrition and health challenges. PMID- 29225944 TI - Biopsychosocial factors associated with chronic low back pain disability in rural Nigeria: a population-based cross-sectional study. AB - Introduction: Many people in Nigeria are living with disability due to chronic low back pain (CLBP), with the greatest burden accounted for by people living in rural Nigeria. However, factors associated with disability in rural Nigeria have not yet been established. We investigated the biomechanical and psychosocial predictors of CLBP disability in a rural Nigerian population. Methods: A cross sectional study of adults with non-specific CLBP recruited from rural communities in Enugu State, South-eastern Nigeria. Measures of self-reported and performance based disability, pain intensity, anxiety and depression, coping strategies, social support, occupational biomechanical factors, illness perceptions and fear avoidance beliefs were collected by trained community health workers. We used univariate and multivariate analyses. Results: 200 individuals were recruited. Psychosocial factors were the most important factors associated with CLBP disability, and accounted for 62.5% and 49.1% of the variance in self-reported and performance-based disability, respectively. The significant predictors of self-reported disability were: illness perceptions (beta=0.289; p<0.0005), pain intensity (beta=0.230; p<0.0005), catastrophising (beta=0.210; p=0.001), fear avoidance beliefs (beta=0.198; p=0.001) and anxiety (beta=0.154; p=0.023). The significant predictors of performance-based disability were: illness perceptions (beta=0.366; p<0.0005), social support (beta=0.290; p<0.0005), fear avoidance beliefs (beta=0.189; p<0.01) and female gender (beta=0.184; p<0.01). Illness concern was the most salient dimension of illness perceptions predicting self reported and performance-based disability. Conclusions: These results provide evidence which can be used to inform the development of interventions to reduce CLBP disability in rural Nigeria, and may have relevance in other rural African contexts. PMID- 29225945 TI - Reproductive, maternal, neonatal and child health in conflict: a case study on Syria using Countdown indicators. AB - Introduction: Women and children account for a disproportionate morbidity burden among conflict-affected populations, and yet they are not included in global accountability frameworks for women's and children's health. We use Countdown to 2015 (Millennium Development Goals) health indicators to provide an up-to-date review and analysis of the best available data on Syrian refugees in Jordan, Lebanon and Turkey and internally displaced within Syria and explore data challenges in this conflict setting. Methods: We searched Medline, PubMed, Scopus, Popline and Index Medicus for WHO Eastern Mediterranean Region Office and relevant development/humanitarian databases in all languages from January 2011 until December 2015. We met in person or emailed relevant key stakeholders in Lebanon, Jordan, Syria and Turkey to obtain any unpublished or missing data. We convened a meeting of experts working with these populations to discuss the results. Results: The following trends were found based on available data for these populations as compared with preconflict Syria. Birth registration in Syria and in host neighbouring countries decreased and was very low in Lebanon. In Syria, the infant mortality rate and under-five mortality rate increased, and coverage of antenatal care (one visit with a skilled attendant), skilled birth attendance and vaccination (except for DTP3 vaccine) declined. The number of Syrian refugee women attending more than four antenatal care visits was low in Lebanon and in non-camp settings in Jordan. Few data were available on these indicators among the internally displaced. In conflict settings such as that of Syria, coverage rates of interventions are often unknown or difficult to ascertain because of measurement challenges in accessing conflict-affected populations or to the inability to determine relevant denominators in this dynamic setting. Conclusion: Research, monitoring and evaluation in humanitarian settings could better inform public health interventions if findings were more widely shared, methodologies were more explicit and globally agreed definitions and indicators were used consistently. PMID- 29225946 TI - Did the right to health get across the line? Examining the United Nations resolution on the Sustainable Development Goals. AB - Since the new global health and development goal, Sustainable Development Goal (SDG) 3, and its nine targets and four means of implementation were introduced to the world through a United Nations (UN) General Assembly resolution in September 2015, right to health practitioners have queried whether this goal mirrors the content of the human right to health in international law. This study examines the text of the UN SDG resolution, Transforming our world: the 2030 Agenda for Sustainable Development, from a right to health minimalist and right to health maximalist analytic perspective. When reviewing the UN SDG resolution's text, a right to health minimalist questions whether the content of the right to health is at least implicitly included in this document, specifically focusing on SDG 3 and its metrics framework. A right to health maximalist, on the other hand, queries whether the content of the right to health is explicitly included. This study finds that whether the right to health is contained in the UN SDG resolution, and the SDG metrics therein, ultimately depends on the individual analyst's subjective persuasion in relation to right to health minimalism or maximalism. We conclude that the UN General Assembly's lack of cogency on the right to health's position in the UN SDG resolution will continue to blur if not divest human rights' (and specifically the right to health's) integral relationship to high-level development planning, implementation and SDG monitoring and evaluation efforts. PMID- 29225947 TI - Migrants caught between tides and politics in the Mediterranean: an imperative for search and rescue at sea? PMID- 29225948 TI - Collecting data for global surgical indicators: a collaborative approach in the Pacific Region. AB - In 2015, the Lancet Commission on Global Surgery (LCoGS) recommended six surgical metrics to enable countries to measure their surgical and anaesthesia care delivery. These indicators have subsequently been accepted by the World Bank for inclusion in the World Development Indicators. With support from the Royal Australasian College of Surgeons and the Pacific Islands Surgical Association, 14 South Pacific countries collaborated to collect the first four of six LCoGS indicators. Thirteen countries collected all four indicators over a 6-month period from October 2015 to April 2016. Australia and New Zealand exceeded the recommended LCoGS target for all four indicators. Only 5 of 13 countries (38%) achieved 2-hour access for at least 80% of their population, with a range of 20% (Papua New Guinea and Solomon Islands) to over 65% (Fiji and Samoa). Five of 13 (38%) countries met the target surgical volume of 5000 procedures per 100 000 population, with six performing less than 1600. Four of 14 (29%) countries had at least 20 surgical, anaesthesia and obstetric providers in their workforce per 100 000 population, with a range of 0.9 (Timor Leste) to 18.5 (Tuvalu). Perioperative mortality rate was reported by 13 of 14 countries, and ranged from 0.11% to 1.0%. We believe it is feasible to collect global surgery indicators across the South Pacific, a diverse geographical region encompassing high-income and low-income countries. Such metrics will allow direct comparison between similar nations, but more importantly provide baseline data that providers and politicians can use in advocacy national health planning. PMID- 29225950 TI - Is living in a gas-flaring host community associated with being hypertensive? Evidence from the Niger Delta region of Nigeria. AB - Background: Researchers have linked gas flaring to climate change, the hastening of the epidemiological transition and an upsurge in the prevalence of non communicable diseases. We sought to determine if a relationship exists between residing in a gas-flaring host community and hypertension. Methods: We conducted an analytical cross-sectional household survey among residents of 600 households in three gas-flaring and three non-gas-flaring host communities in the Niger Delta region of Nigeria. We took geo-coordinates, administered a modified WHO STEPS questionnaire and built on Android mobile phones using Open-Data-Kit (ODK) software. We also took biological measurements and carried out descriptive and inferential statistical analysis using SPSS and STATA. Results: We interviewed a total of 912 adults: 437 (47.9%) from non-gas-flaring and 475 (52.1%) from gas flaring host communities. There were differences in level of education (x2=42.99; p=0.00), occupation category (x2=25.42; p=0.00) and BMI category (x2=15.37; 0.003) among the two groups. The overall prevalence of hypertension was 23.7%: 20.7% among persons living in non-gas-flaring host communities compared with 25.3% among persons living in gas-flaring host communities (x2=2.89; p=0.89). Residence in a gas-flaring host community, (AdjOR=1.75; 95% CI=1.11 to 2.74) and mean age (AdjOR=1.05; 95% CI=1.03 to 1.07) were identified as the predictors of hypertension. There was a significant association between hypertension and age, 1.05 (1.04-1.06) while the probability of being hypertensive was higher among residents of gas-flaring host communities between 20 to 40 years and 60 to 80 years. Conclusion: There is a need for the relevant agencies to scale up environmental and biological monitoring of air pollutants. The implication of a possible relationship between gas-flaring and hypertension brings to the fore the need for interventions to regulate gas-flaring activities. PMID- 29225949 TI - Improving postpartum care delivery and uptake by implementing context-specific interventions in four countries in Africa: a realist evaluation of the Missed Opportunities in Maternal and Infant Health (MOMI) project. AB - Postpartum care (PPC) has remained relatively neglected in many interventions designed to improve maternal and neonatal health in sub-Saharan Africa. The Missed Opportunities in Maternal and Infant Health project developed and implemented a context-specific package of health system strengthening and demand generation in four African countries, aiming to improve access and quality of PPC. A realist evaluation was conducted to enable nuanced understanding of the influence of different contextual factors on both the implementation and impacts of the interventions. Mixed methods were used to collect data and test hypothesised context-mechanism-outcome configurations: 16 case studies (including interviews, observations, monitoring data on key healthcare processes and outcomes), monitoring data for all study health facilities and communities, document analysis and participatory evaluation workshops. After evaluation in individual countries, a cross-country analysis was conducted that led to the development of four middle-range theories. Community health workers (CHWs) were key assets in shifting demand for PPC by 'bridging' communities and facilities. Because they were chosen from the community they served, they gained trust from the community and an intrinsic sense of responsibility. Furthermore, if a critical mass of women seek postpartum healthcare as a result of the CHWs bridging function, a 'buzz' for change is created, leading eventually to the acceptability and perceived value of attending for PPC that outweighs the costs of attending the health facility. On the supply side, rigid vertical hierarchies and defined roles for health facility workers (HFWs) impede integration of maternal and infant health services. Additionally, HFWs fear being judged negatively which overrides the self-efficacy that could potentially be gained from PPC training. Instead the main driver of HFWs' motivation to provide comprehensive PPC is dependent on accountability systems for delivering PPC created by other programmes. The realist evaluation offers insights into some of the contextual factors that can be pivotal in enabling the community-level and service-level interventions to be effective. PMID- 29225951 TI - Is governance, gross domestic product, inequality, population size or country surface area associated with coverage and equity of health interventions? Ecological analyses of cross-sectional surveys from 80 countries. AB - Objective: To assess associations between national characteristics, including governance indicators, with a proxy for universal health coverage in reproductive, maternal, newborn and child health (RMNCH). Design: Ecological analysis based on data from national standardised cross-sectional surveys. Setting: Low-income and middle-income countries with a Demographic and Health Survey or a Multiple Indicator Cluster Survey since 2005. Participants: 1 246 710 mothers and 2 129 212 children from 80 national surveys. Exposures of interest: Gross domestic product (GDP), country surface area, population, Gini index and six governance indicators (control of corruption, political stability and absence of violence, government effectiveness, regulatory quality, rule of law, and voice and accountability). Main outcomes: Levels and inequality in the composite coverage index (CCI), a weighted average of eight RMNCH interventions. Relative and absolute inequalities were measured through the concentration index (CIX) and slope index of inequality (SII) for CCI, respectively. Results: The average values of CCI (70.5% (SD=13.3)), CIX (5.3 (SD=5.1)) and mean slope index (19.8 (SD=14.7)) were calculated. In the unadjusted analysis, all governance variables and GDP were positively associated with the CCI and negatively with inequalities. Country surface showed inverse associations with both inequality indices. After adjustment, among the governance indicators, only political stability and absence of violence was directly related to CCI (beta=6.3; 95% CI 3.6 to 9.1; p<0.001) and inversely associated with relative (CIX; beta=-1.4; 95% CI -2.4 to -0.4; p=0.007) and absolute (SII; beta=-5.3; 95% CI -8.9 to -1.7; p=0.005) inequalities. The strongest associations with governance indicators were found in the poorest wealth quintile. Similar patterns were observed for GDP. Country surface area was inversely related to inequalities on CCI. Conclusions: Levels and equity in RMNCH interventions are positively associated with political stability and absence of violence, and with GDP, and inversely associated with country surface area. PMID- 29225952 TI - Thirty-year trends in the prevalence and severity of female genital mutilation: a comparison of 22 countries. AB - Introduction: Female genital mutilation (FGM) harms women's health and well-being and is widely considered a violation of human rights. The United Nations has called for elimination of the practice by 2030. Methods: We used household survey data to measure trends in the prevalence of FGM in 22 countries. We also examined trends in the severity of the practice by measuring changes in the prevalence of flesh removal, infibulation and symbolic 'nicking' of the genitals. We evaluated the extent to which measurement error may have influenced our estimates by observing the consistency of reports for the same birth cohorts over successive survey waves. Results: The prevalence of all types of FGM fell in 17 of 22 countries we examined. The vast majority of women who undergo FGM have flesh removed from their genitals, likely corresponding to the partial or total removal of the clitoris and labia. Infibulation is still practised throughout much of sub Saharan Africa. Its prevalence has declined in most countries, but in Chad, Mali and Sierra Leone the prevalence has increased by 2-8 percentage points over 30 years. Symbolic nicking of the genitals is relatively rare but becoming more common in Burkina Faso, Chad, Guinea and Mali. Conclusion: FGM is becoming less common over time, but it remains a pervasive practice in some countries: more than half of women in 7 of the 22 countries we examined still experience FGM. The severity of the procedures has not changed substantially over time. Rigorous evaluation of interventions aimed at eliminating or reducing the harms associated with the practice is needed. PMID- 29225954 TI - Fighting TB stigma: we need to apply lessons learnt from HIV activism. PMID- 29225953 TI - What is health systems responsiveness? Review of existing knowledge and proposed conceptual framework. AB - Responsiveness is a key objective of national health systems. Responsive health systems anticipate and adapt to existing and future health needs, thus contributing to better health outcomes. Of all the health systems objectives, responsiveness is the least studied, which perhaps reflects lack of comprehensive frameworks that go beyond the normative characteristics of responsive services. This paper contributes to a growing, yet limited, knowledge on this topic. Herewith, we review the current frameworks for understanding health systems responsiveness and drawing on these, as well as key frameworks from the wider public services literature, propose a comprehensive conceptual framework for health systems responsiveness. This paper should be of interest to different stakeholders who are engaged in analysing and improving health systems responsiveness. Our review shows that existing knowledge on health systems responsiveness can be extended along the three areas. First, responsiveness entails an actual experience of people's interaction with their health system, which confirms or disconfirms their initial expectations of the system. Second, the experience of interaction is shaped by both the people and the health systems sides of this interaction. Third, different influences shape people's interaction with their health system, ultimately affecting their resultant experiences. Therefore, recognition of both people and health systems sides of interaction and their key determinants would enhance the conceptualisations of responsiveness. Our proposed framework builds on, and advances, the core frameworks in the health systems literature. It positions the experience of interaction between people and health system as the centrepiece and recognises the determinants of responsiveness experience both from the health systems (eg, actors, processes) and the people (eg, initial expectations) sides. While we hope to trigger further thinking on the conceptualisation of health system responsiveness, the proposed framework can guide assessments of, and interventions to strengthen, health systems responsiveness. PMID- 29225955 TI - Antimicrobial resistance and universal health coverage. AB - The WHO launched a Global Action Plan on antimicrobial resistance (AMR) in 2015. World leaders in the G7, G20 and the UN General Assembly have declared AMR to be a global crisis. World leaders have also adopted universal health coverage (UHC) as a key target under the sustainable development goals. This paper argues that neither initiative is likely to succeed in isolation from the other and that the policy goals should be to both provide access to appropriate antimicrobial treatment and reduce the risk of the emergence and spread of resistance by taking a systems approach. It focuses on outpatient treatment of human infections and identifies a number of interventions that would be needed to achieve these policy goals. It then shows how a strategy for achieving key attributes of a health system for UHC can take into account the need to address AMR as part of a UHC strategy in any country. It concludes with a list of recommended priority actions for integrating initiatives on AMR and UHC. PMID- 29225956 TI - Let food be thy medicine: linking local food and health systems to address the full spectrum of malnutrition in low-income and middle-income countries. PMID- 29225957 TI - Limited sterile processing capabilities for safe surgery in low-income and middle income countries: experience in the Republic of Congo, Madagascar and Benin. AB - It is highly difficult to perform safe surgery without sterile instruments, yet the capacity to adequately clean, disinfect and sterilise surgical instruments in low-income and middle-income countries is largely unknown. Sterile Processing Education Charitable Trust developed an assessment tool and, in partnership with Mercy Ships, evaluated the sterile processing capacity in 59 facilities in Madagascar, Benin and the Republic of Congo. This data-driven analysis paper illustrates how lack of sterile processing capacity acts as a barrier to safe surgical care. Our tool identified widespread lack of knowledge of techniques and resources needed for sterile processing. Only 12% of workers in Republic of Congo and Benin had sterile processing training and none in Madagascar. None of the hospitals surveyed met basic standards for cleaning, disinfection and sterilisation as defined by the WHO/Pan American Health Organization. Examples of poor practice included lack of cleaning supplies (basic brushes and detergents), incorrect drying and storage of surgical instruments, and inattention to workflow causing cross-contamination. Bleach (sodium hypochlorite) solutions, damaging to instruments, were used universally. In our experience, using an assessment tool allowed identification of specific gaps in sterile processing capacity. Many of the gaps are amenable to simple solutions requiring minimal resources and achievable by most hospitals. We recommend that stakeholders seeking to strengthen surgical health systems in low-resource settings incorporate sterile processing capacity assessments and training into their programmes. PMID- 29225958 TI - Overcoming challenges in implementing the WHO Surgical Safety Checklist: lessons learnt from using a checklist training course to facilitate rapid scale up in Madagascar. AB - The WHO Surgical Safety Checklist was launched in 2009, and appropriate use reduces mortality, surgical site infections and complications after surgery by up to 50%. Implementation across low-income and middle-income countries has been slow; published evidence is restricted to reports from a few single institutions, and significant challenges to successful implementation have been identified and presented. The Mercy Ships Medical Capacity Building team developed a multidisciplinary 3-day Surgical Safety Checklist training programme designed for rapid wide-scale implementation in all regional referral hospitals in Madagascar. Particular attention was given to addressing previously reported challenges to implementation. We taught 427 participants in 21 hospitals; at 3-4 months postcourse, we collected surveys from 183 participants in 20 hospitals and conducted one focus group per hospital. We used a concurrent embedded approach in this mixed-methods design to evaluate participants' experiences and behavioural change as a result of the training programme. Quantitative and qualitative data were analysed using descriptive statistics and inductive thematic analysis, respectively. This analysis paper describes our field experiences and aims to report participants' responses to the training course, identify further challenges to implementation and describe the lessons learnt. Recommendations are given for stakeholders seeking widespread rapid scale up of quality improvement initiatives to promote surgical safety worldwide. PMID- 29225959 TI - Effect of removing the barrier of transportation costs on surgical utilisation in Guinea, Madagascar and the Republic of Congo. AB - Background: 81 million people face impoverishment from surgical costs every year. The majority of this impoverishment is attributable to the non-medical costs of care-for transportation, for food and for lodging. Of these, transportation is the largest, but because it is not viewed as an actual medical cost, it is frequently unaddressed. This paper examines the effect on surgical utilisation of paying for transportation. Methods: A hierarchical logistic regression was performed on 2692 patients presenting for surgical care to a non-governmental organisation operating in the Republic of the Congo, Guinea and Madagascar. Controlling for distance from the hospital, age, gender, the need for air travel and time between appointments, the effect of payment for transportation on the surgical no-show rate was evaluated. Results: After adjustment for observed confounders, paying for transportation drops the surgical no-show rate by 45% (OR 0.55; 95% CI 0.40 to 0.77; p<0.001). Age, delay between appointments and the number of hours travelled for surgery also predict surgical no-show. For 28% of no-show patients, the cost of transportation from their homes to a nearby predetermined pick-up point remained a barrier, even when transportation from the pick-up point to the hospital was free. Conclusion: Transportation costs are a significant barrier to surgical care in low-resource settings, and paying for it halves the no-show rate. This finding highlights that decreasing demand-side barriers to surgical care cannot be limited only to the removal of user fees. PMID- 29225960 TI - Utility of Amorphous Calcium Phosphate-Based Scaffolds in Dental/Biomedical Applications. AB - Calcium phosphate (CaP) materials are important inorganic constituents in biological hard tissue. CaPs, including amorphous calcium phosphate (ACP) have been widely applied in dental and biomedical applications, such as tissue engineering. Scaffold constructs are commonly used as templates to create a biomimetic environment. This review considers ACP scaffold fabrication techniques, including tissue-engineered constructs with intrinsic incorporation of ACP as well as scaffolds formed via precipitation of mineralized solutions on a substrate. Attention is given to the approaches used to assess cellular and molecular responses elicited by ACP scaffolds, such as biocompatibility, cell conductivity, cell adhesion, cell differentiation, phenotypic profiles, and gene expression. Bioactivity of composite ACP scaffolds can be enhanced by incorporating biomolecules to create multi-functional properties. Herein we summarize the use of antibiotics, growth factors, and gene delivery systems to create multi-functional ACP scaffolds. Inasmuch as CaP materials have been investigated as drug delivery systems for many years, we briefly consider the potential of integrating these systems with existing ACP scaffold constructs and the potential for precision medicine. PMID- 29225961 TI - Land Use, Climate, and Water Resources-Global Stages of Interaction. AB - Land use and climate change can accelerate the depletion of freshwater resources that support humans and ecosystem services on a global scale. Here, we briefly review studies from around the world, and highlight those in this special issue. We identify stages that characterize increasing interaction between land use and climate change. During the first stage, hydrologic modifications and the built environment amplify overland flow via processes associated with runoff-dominated ecosystems (e.g., soil compaction, impervious surface cover, drainage, and channelization). During the second stage, changes in water storage impact the capacity of ecosystems to buffer extremes in water quantity and quality (e.g., either losses in snowpack, wetlands, and groundwater recharge or gains in water and nutrient storage behind dams in reservoirs). During the third stage, extremes in water quantity and quality contribute to losses in ecosystem services and water security (e.g., clean drinking water, flood mitigation, and habitat availability). During the final stage, management and restoration strategies attempt to regain lost ecosystem structure, function, and services but need to adapt to climate change. By anticipating the increasing interaction between land use and climate change, intervention points can be identified, and management strategies can be adjusted to improve outcomes for realistic expectations. Overall, global water security cannot be adequately restored without considering an increasing interaction between land use and climate change across progressive stages and our ever-increasing human domination of the water cycle from degradation to ecosystem restoration. PMID- 29225963 TI - The Influence of Juvenile Graves' Ophthalmopathy on Graves' Disease Course. AB - Purpose: To investigate juvenile Graves' ophthalmopathy (GO) signs and compare Graves' disease (GD) course in patients with or without GO. Patients and Methods: There were analyzed data (visual acuity, proptosis, palpebral fissure measurements, clinical activity score (CAS), and the course of GD) of 67 children who have been newly diagnosed with GD. 26.9% of patients with GD had signs of ophthalmopathy (GO+), and 73.1% were without ophthalmopathy (GO-). Results: Upper eyelid retraction (72.3%), proptosis (66.7%), and soft tissue changes (27.8 38.9%) were in GO+ patients. The palpebral fissure, CAS, and proptosis values were greater in the GO+ group than in the GO- group (p < 0.001). GD course in GO+ patients was longer than that in GO- patients (p < 0.001). The duration of the first remission was longer in GO- than in GO+ patients (p < 0.001). The duration of first remission was longer than one year for 61.2% in GO- and 33.3% in GO+ patients (p < 0.02). Conclusion: The common manifestations of juvenile GO patients were upper eyelid retraction, proptosis, and soft tissue involvement. The study demonstrates that pediatric patients with GO are more likely to have a severe course of autoimmune thyroid disease. PMID- 29225962 TI - TLR Specific Immune Responses against Helminth Infections. AB - Despite marked improvement in the quality of lives across the globe, more than 2 million individuals in socioeconomically disadvantaged environments remain infected by helminth (worm) parasites. Owing to the longevity of the worms and paucity of immunologic controls, these parasites survive for long periods within the bloodstream, lymphatics, and gastrointestinal tract resulting in pathologic conditions such as anemia, cirrhosis, and lymphatic filariasis. Despite infection, an asymptomatic state may be maintained by the host immunoregulatory environment, which involves multiple levels of regulatory cells and cytokines; a breakdown of this regulation is observed in pathological disease. The role of TLR expression and function in relation to intracellular parasites has been documented but limited studies are available for multicellular helminth parasites. In this review, we discuss the unique and shared host effector mechanisms elicited by systemic helminth parasites and their derived products, including the role of TLRs and sphingolipids. Understanding and exploiting the interactions between these parasites and the host regulatory network are likely to highlight new strategies to control both infectious and immunological diseases. PMID- 29225964 TI - Chosen Vascular Risk Markers in Pseudoexfoliation Syndrome: An Age-Related Disorder. AB - Purpose: To evaluate lipids and C-reactive protein serum levels in patients with pseudoexfoliation syndrome (PEX) in the Polish population. Methods: 96 patients were studied with PEX and 79 control subjects. Total cholesterol, triglycerides, high-density lipoprotein (HDL)-cholesterol, low-density lipoprotein (LDL) cholesterol, non-HDL-cholesterol and CRP serum levels, and TG/HDL-C and TC/HDL-C indexes were assessed. Results: There were no significant differences in concentration of lipids and values of TC/HDL-C, TG/HDL-C, and non-HDL-C between PEX and control groups. High-sensitivity C-reactive protein was not increased in patients with PEX. Conclusions: Our results cast doubt on the opinion on the possible PEX and vascular diseases relation. Further studies on this subject are mandatory. PMID- 29225965 TI - Anti-VEGF and Beyond. PMID- 29225966 TI - Changes in Glaucoma Medication during the Past Eight Years and Future Directions in Japan Based on an Insurance Medical Claim Database. AB - Purpose: To investigate changes in the status of glaucoma care between 2006 and 2013 and to predict future directions of glaucoma care in Japan. Subjects and Methods: Japanese subjects registered in the largest national insurance claim database in Japan from 2006 to 2013 were analyzed. Estimations of the number of glaucoma patients during the past eight years and of the number of future patients were calculated. Changes in prescription trends among the same patients in the three-year period after initiating antiglaucoma medication were also investigated. Results: There was a total of 3,016,000 subjects in the database. The proportion of glaucoma patients increased consistently from 2.5% in 2006 to 4.5% in 2013. This trend was predicted to continue until 2025, followed by a constant decrease with age. The most frequently prescribed antiglaucoma medications were prostaglandin analogues (PGs); however, in recent years, fixed combination therapy has emerged as a major treatment. Among 2856 newly diagnosed glaucoma patients; 94.7% of the patients initially received a single medication, but 25% of the patients received additional medications within 3 years. Conclusions: The prevalence of glaucoma patients has significantly increased during the past eight years. The number of antiglaucoma medications continuously increased during the treatment period. PMID- 29225967 TI - Aptamers as the Agent in Decontamination Assays (Apta-Decontamination Assays): From the Environment to the Potential Application In Vivo. AB - The binding specificity and affinity of aptamers have long been harnessed as the key elements in the development of aptamer-based assays, particularly aptasensing application. One promising avenue that is currently explored based on the specificity and affinity of aptamers is the application of aptamers in the decontamination assays. Aptamers have been successfully harnessed as the decontamination agents to remove contaminants from the environment and to decontaminate infectious elements. The reversible denaturation property inherent in aptamers enables the repeated usage of aptamers, which can immensely save the cost of decontamination. Analogous to the point-of-care diagnostics, there is no doubt that aptamers can also be deployed in the point-of-care aptamer-based decontamination assay, whereby decontamination can be performed anywhere and anytime for instantaneous decision-making. It is also prophesied that aptamers can also serve more than as a decontaminant, probably as a tool to capture and kill hazardous elements, particularly pathogenic agents. PMID- 29225969 TI - Corrigendum to "The Role of Descending Modulation in Manual Therapy and Its Analgesic Implications: A Narrative Review". AB - [This corrects the article DOI: 10.1155/2015/292805.]. PMID- 29225968 TI - Metabolic Differences between Dogs of Different Body Sizes. AB - Introduction: The domesticated dog, Canis lupus familiaris, has been selectively bred to produce extreme diversity in phenotype and genotype. Dogs have an immense diversity in weight and height. Specific differences in metabolism have not been characterized in small dogs as compared to larger dogs. Objectives: This study aims to identify metabolic, clinical, and microbiota differences between small and larger dogs. Methods: Gas chromatography/mass spectrometry, liquid chromatography/tandem mass spectrometry, clinical chemistry analysis, dual-energy X-ray absorptiometry, and 16S pyrosequencing were used to characterize blood metabolic, clinical, and fecal microbiome systems, respectively. Eighty-three canines from seven different breeds, fed the same kibble diet for 5 weeks, were used in the study. Results: 449 metabolites, 16 clinical parameters, and 6 bacteria (at the genus level) were significantly different between small and larger dogs. Hierarchical clustering of the metabolites yielded 8 modules associated with small dog size. Conclusion: Small dogs had a lower antioxidant status and differences in circulating amino acids. Some of the amino acid differences could be attributed to differences in microflora. Additionally, analysis of small dog metabolites and clinical parameters reflected a network which strongly associates with kidney function. PMID- 29225970 TI - Dialysis Provision and Implications of Health Economics on Peritoneal Dialysis Utilization: A Review from a Malaysian Perspective. AB - End-stage renal disease (ESRD) is managed by either lifesaving hemodialysis (HD) and peritoneal dialysis (PD) or a kidney transplant. In Malaysia, the prevalence of dialysis-treated ESRD patients has shown an exponential growth from 504 per million population (pmp) in 2005 to 1155 pmp in 2014. There were 1046 pmp patients on HD and 109 pmp patients on PD in 2014. Kidney transplants are limited due to lack of donors. Malaysia adopts public-private financing model for dialysis. Majority of HD patients were treated in the private sector but almost all PD patients were treated in government facilities. Inequality in access to dialysis is visible within geographical regions where majority of HD centres are scattered around developed areas. The expenditure on dialysis has been escalating in recent years but economic evaluations of dialysis modalities are scarce. Evidence shows that health policies and reimbursement strategies influence dialysis provision. Increased uptake of PD can produce significant economic benefits and improve patients' access to dialysis. As a result, some countries implemented a PD-First or Favored Policy to expand PD use. Thus, a current comparative costs analysis of dialysis is strongly recommended to assist decision makers to establish a more equitable and economically sustainable dialysis provision in the future. PMID- 29225971 TI - Biochemical Analysis of Histone Succinylation. AB - Posttranslational modification (PTM) of proteins is used to regulate protein activity and stability. Histone PTMs are regarded as some of the most important, as they can directly regulate gene expression through chromatin reorganization. Recently, histone proteins were found to undergo succinylation, adding to other well-known PTMs such as acetylation, methylation, and phosphorylation. However, there is little information regarding the enzyme which catalyzes histone lysine succinylation. In fact, it is unclear whether this reaction is enzymatic. In this study, we tested histone succinylation activity in vitro using cell nuclear extracts of HepG2 cells. Although whole nuclear extracts did not show histone succinylation activity, we found that an SP 1.0 M KCl fraction of nuclear extracts indeed had such activity. These data offer the first direct evidence that histone succinylation is an enzymatic PTM as are other histone codes in the nucleus. PMID- 29225972 TI - Modulation of H-Reflex Depression with Paired-Pulse Stimulation in Healthy Active Humans. AB - Depression of the Hoffman reflex (H-reflex) is used to examine spinal control mechanisms during exercise, fatigue, and vibration and in response to training. H reflex depression protocols frequently use trains of stimuli; this is time consuming and prevents instantaneous assessment of motor neuronal excitability. The purpose of this study was to determine if paired-pulse H-reflex depression is reproducible and whether paired-pulse stimulation adequately estimates the depression induced by the more traditional ten-pulse train. H-reflexes were elicited via ten-pulse trains at 0.1, 0.2, 1, 2, and 5 Hz in ten neurologically intact individuals on two separate days. We measured the depression elicited by the second pulse (H2) and the mean depression elicited by pulses 2-10 (Hmean). H2 was consistent at all frequencies on both days (r2 = 0.97, p < 0.05, and ICC(3,1) = 0.81). H2 did not differ from Hmean (p > 0.05). The results indicate that paired-pulse H-reflex depression has high between-day reliability and yields depression estimates that are comparable to those obtained via ten-pulse trains. Paired-pulse H-reflex depression may be especially useful for studies that require rapid assessment of motor neuronal excitability, such as during exercise, fatigue, and vibration, or to establish recovery curves following inhibition. PMID- 29225973 TI - Molecular Epidemiology of Rifampicin Resistance in Mycobacterium tuberculosis Using the GeneXpert MTB/RIF Assay from a Rural Setting in India. AB - The Xpert MTB/RIF assay can detect mutations in rpoB gene that confer rifampicin resistance (RR) using five overlapping probes (A, B, C, D, and E). In this study, we described our experience with the Xpert assay in a rural setting in India. During the study period, 3250 samples were processed. The result was unsuccessful in 5.7% of cases. For extrapulmonary specimens, the risk of unsuccessful result was higher in tissue biopsy and stool samples. Among samples positive for Mycobacterium tuberculosis, rifampicin resistance was indeterminate in 1.2% of them. Our results and a review of the literature showed that the most frequent mutations conferring RR were located in the region of Probe E (63.6%; 95% confidence interval [CI] 56.26-70.94), followed by Probe B (15.02%; 95% CI 11.94 18.10), Probe D (13.35%; 95% CI 10.01-16.69), Probe A (4.73%; 95% CI 1.92-7.54), and Probe C (1.61%; 95% CI 0.67-2.54). Although the high cost of the cartridges precluded using the Xpert assay for routine diagnosis of tuberculosis, our results demonstrate that the assay can be used to diagnose RR-tuberculosis in rural areas with limited laboratory infrastructure and could be a convenient tool to investigate the molecular epidemiology of RR in resource-limited settings. PMID- 29225974 TI - Modulation Effects of Cordycepin on Voltage-Gated Sodium Channels in Rat Hippocampal CA1 Pyramidal Neurons in the Presence/Absence of Oxygen. AB - Our previous study revealed that cordycepin features important neuroprotective effects against hypoxic insult by improvement of neuronal electrophysiological function. Modulation on voltage-gated sodium channel (VGSC) in CA1 neurons is the initial event during hypoxia/ischemia. However, no study comprehensively investigated cordycepin on VGSC. Hence, this study investigated modulation effects of cordycepin on VGSC not only in oxygen physiological conditions but also in acute oxygen deprivation injury conditions. Results revealed that cordycepin (80 MUM) reduced the amplitude of VGSC currents (INa) (77.6% of control, p < 0.01) within 1 min of drug exposure coupled with a negative shift in steady-state inactivation and prolonged recovery time course from inactivation. Additionally, this mild reduction on the peak of INa induced by the pretreatment with cordycepin can attenuate and delay the following hypoxia causing rapid dramatic decrease in INa with no additive change in the voltage dependence of inactivation. As modulation on VGSC in CA1 neurons represents the initial event during ischemia, we propose that suppression effect of cordycepin on VGSC is an important neuronal protective mechanism that may enhance neuronal tolerance to acute oxygen deprivation and delay hypoxia-induced neuronal injuries. PMID- 29225976 TI - Intensive Care in a Patient with Toxic Epidermal Necrolysis. AB - Toxic epidermal necrolysis (TEN) is a serious adverse drug reaction with high lethality, which usually requires intensive-medical care. A 44-year-old man developed generalized exanthema with increasing exfoliation and mucosal involvement after taking allopurinol, ibuprofen, and etoricoxib. The clinical diagnosis of TEN was histologically confirmed. Prednisolone therapy with 3 mg/kg body weight (BW) was not able to prevent further progress to finally 80% of the body surface, and infliximab 5 mg/kg BW was given as a single dose. This prevented further progression of the TEN. Despite marked improvement in skin findings, the ICU stay was prolonged by a complex analgosedation, transient kidney failure, volume management, positioning therapy, and vegetatively impeded weaning. Moreover, there was colonization with multiresistant bacteria (MRSA and VRE). Nonetheless, the patient could be restored to health and was released after four weeks. Infliximab seems to be effective in the treatment of TEN, especially in cases of rapid progression. Moreover, patients with TEN are difficult to handle in intensive-medical care, whereby attention should especially be paid to sufficient pain therapy, and the positioning of the patient is a particular challenge. PMID- 29225975 TI - Correlation between Traits of Emotion-Based Impulsivity and Intrinsic Default Mode Network Activity. AB - Negative urgency (NU) and positive urgency (PU) are implicated in several high risk behaviors, such as eating disorders, substance use disorders, and nonsuicidal self-injury behavior. The current study aimed to explore the possible link between trait of urgency and brain activity at rest. We assessed the amplitude of low-frequency fluctuations (ALFF) of the resting-state functional magnetic resonance imaging (fMRI) signal in 85 healthy volunteers. Trait urgency measures were related to ALFF in the lateral orbitofrontal cortex, dorsolateral prefrontal cortex, ventral and dorsal medial frontal cortex, anterior cingulate, and posterior cingulate cortex/precuneus. In addition, trait urgency measures showed significant correlations with the functional connectivity of the posterior cingulate cortex/precuneus seed with the thalamus and midbrain region. These findings suggest an association between intrinsic brain activity and impulsive behaviors in healthy humans. PMID- 29225977 TI - Double Morphology: Tertiary Syphilis and Acquired Immunodeficiency Syndrome-A Rare Association. AB - Background: Human immunodeficiency virus (HIV) and Treponema pallidum coinfection is relatively common and accounts for about 25% of primary and secondary syphilis. Tertiary syphilis in HIV-uninfected and HIV-infected patients is vanishingly rare. This is most likely due to early treatment of cases of primary and secondary syphilis. There is rapid progression to tertiary syphilis in HIV infected patients. Case Presentation: A 49-year-old woman diagnosed with HIV Type 1 infection and cluster of differentiation 4 (CD4) count of 482 presented with a four-week history of multiple crusted plaques, nodules, and ulcers on her face, arms, and abdomen. Her past history revealed red painful eyes six months prior to this presentation. She had generalized lymphadenopathy, no alopecia, and no palmar-plantar or mucosal lesions. There were no features suggestive of secondary syphilis. Neurological examination was normal. Her rapid plasma reagin test was positive to a titer of 64. She was treated with Penicillin G 20 mu IVI daily for 2 weeks. Conclusion: Penicillin remains the treatment of choice in syphilitic infected HIV negative and HIV-infected individuals. In neurosyphilis, the dose of Penicillin GIVI is 18-24 mu daily for 10-14 days. This case report demonstrates the importance of excluding syphilis in any HIV-infected patient. PMID- 29225978 TI - Coexistence of GH-Producing Pituitary Macroadenoma and Meningioma in a Patient with Multiple Endocrine Neoplasia Type 1 with Hyperglycemia and Ketosis as First Clinical Sign. AB - We present the clinical case of a patient who was admitted with an onset of diabetes mellitus (DM) with associated ketosis and whose clinical, hormonal, and radiological evolution revealed the presence of primary hyperparathyroidism, pancreatic neuroendocrine tumor, and GH-producing pituitary macroadenoma in the context of multiple endocrine neoplasia type 1 (MEN1). DM is relatively common in cases of acromegaly, but it is not generally associated with ketosis. Simultaneously, the patient presented a meningioma, which is associated with pituitary macroadenoma only in extremely rare cases. PMID- 29225979 TI - Waldenstrom's Macroglobulinemia: A Report of Two Cases, One with Severe Retinopathy and One with Renal Failure. AB - We report here two cases of Waldenstrom's macroglobulinemia (WM), one with central nervous system (CNS) symptoms and severe retinopathy and one with renal failure. In both cases, the serum IgM levels exceeded 3,000 mg/dL and monoclonal IgM-kappa was observed in the blood. At onset, Case 1, a 63-year-old female, developed CNS symptoms-namely, drowsiness and syncope. Case 2, a 58-year-old male, had nausea and dysgeusia on admission associated with renal failure, which is quite rare in patients with WM. Both patients exhibited hyperviscosity-related retinopathy, but it was particularly severe in Case 1: she suddenly lost her vision after admission. However, her vision recovered completely during treatment. Case 2 required hemodialysis immediately after admission. Needle biopsy of his kidney revealed tubulointerstitial nephritis with marked infiltration with CD20-positive lymphoplasmacytic lymphoma cells. After treatment, Case 1 has been in a remission longer than 8 years, but Case 2 died of pneumonia in 6 months. Since the initial symptoms of WM are ambiguous and vary significantly and hyperviscosity-related ophthalmological problems or severe renal dysfunction can arise, it is essential to promptly measure serum IgM levels and to institute appropriate care immediately when WM is confirmed in a patient. PMID- 29225980 TI - Early Disseminated Lyme Disease with Carditis Complicated by Posttreatment Lyme Disease Syndrome. AB - Lyme disease is an infectious disease caused by the bacterium Borrelia burgdorferi. When untreated, infection may spread to the heart, nervous system, and joints. Cardiac involvement usually manifests as abnormalities of the conduction system and bradycardia. Treatment of Lyme disease is generally effective, with a subset of patients experiencing persistent, sometimes long-term symptoms called posttreatment Lyme disease syndrome. PMID- 29225981 TI - Tricuspid Valve Endocarditis due to Streptococcus bovis in a Patient with Ventricular Septal Defect: A Rare Manifestation-Case Report and Review of the Literature. AB - Streptococcus bovis endocarditis has 18%-62% association with colonic neoplasms with multivalvular involvement and affects mainly elderly males leading to severe cardiac dysfunction, septic embolization, and neurological complications. The aortic valve is the commonest valve to be affected followed by aortic and mitral valves together. However, involvement of tricuspid valve is extremely rare. There are no reported cases of Streptococcus bovis endocarditis affecting the tricuspid valve in the presence of ventricular septal defect with left to right shunt. We report the case of a 25-year-old female with ventricular septal defect who was diagnosed to have tricuspid valve endocarditis caused by Streptococcus bovis. Her detailed colonoscopy, upper gastrointestinal endoscopy, liver biochemistry, and ultrasound scan of the abdomen were normal. She made a very good recovery with six weeks of intravenous antibiotics. This is the first case of tricuspid valve endocarditis caused by Streptococcus bovis in association with ventricular septal defect without any colonic lesions. PMID- 29225982 TI - Sarcomatoid Renal Cell Carcinoma in an Adolescent with Sickle Cell Anaemia. AB - Malignancies have been reported to occur in people with sickle cell disease. Renal medullary carcinoma (RMC), also tagged seventh sickle cell nephropathy, is an aggressive cancer seen almost exclusively in people with sickle cell disease with more than 160 cases reported worldwide, but only few cases were reported in patients with sickle cell anaemia (HBSS) and from Nigeria. Sarcomatoid renal cell carcinoma is a renal tumour of any histologic variant containing foci of high grade malignant spindle cells. We report an adolescent girl with sickle cell anaemia (HBSS) who presented with left renal tumour, histology of which confirmed a diagnosis of sarcomatoid renal cell carcinoma (sRCC). Surgical debulking and palliative care with chemotherapy were given, and she demised 10 months after. The rarity of the case and challenges of managing a cancer in the background of a chronic haematologic disorder are highlighted. PMID- 29225983 TI - Breast Implant-Associated Anaplastic Large Cell Lymphoma: A Case Report and Review of the Literature. AB - Breast implant-associated anaplastic large T-cell lymphoma has recently been recognized as an entity, with few reports describing the two common subtypes: in situ (indolent) and infiltrative. Recently, the infiltrative subtypes have been shown to be more aggressive requiring adjuvant chemotherapy. We report a rare case of breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) in a 65-year-old Caucasian female following silicone breast implantation and multiple capsulectomies. We discuss the rare presentation of this disease, histopathologic features of the indolent and infiltrative subtypes of ALCL, and their clinical significance. We also review the literature for up-to-date information on the diagnosis and clinical management. Treatment modalities including targeted therapy are also discussed. Although BIA-ALCL is rare, it should always be considered as part of the differential diagnosis especially in women with breast implants. Given the increasing rate of breast reconstruction and cosmetic surgeries, we anticipate a continuous rise in incidence rates of this rare disease; thus, caution must be taken to avoid misdiagnosis. PMID- 29225984 TI - Acquired von Willebrand Disease Associated with Monoclonal Gammopathy of Unknown Significance. AB - We present a case of a 79-year-old male who presented with retroperitoneal hematoma a week after motor vehicle accident. Prior history and family history of bleeding were nonsignificant. His activated partial thromboplastin time was found to be prolonged in the emergency department. Further workup with coagulation studies showed decreased factor VIII, vWF antigen, and vWF:ristocetin cofactor assay, and negative Bethesda assay, indicating acquired von Willebrand disease. Immunofluorescence to find an underlying etiology was suggestive of MGUS. Management of AvWD depends on controlling active bleeding and treating the underlying cause. He was treated with factor VIII, haemate-p, rituximab, two cycles of IVIg, and three weeks of oral steroids. PMID- 29225985 TI - Late Onset Descemet Membrane Detachment after Radial Keratotomy Resolved with Medical Therapy. AB - Purpose: To report a case of a Descemet membrane's (DM) detachment after radial keratotomy (RK). Methods: A patient (male) underwent RK (16 cuts) 20 years before referring to the Eye Center of Humanitas (Milan) for a progressive visual loss. The slit-lamp examination showed severe corneal stromal edema and a large DM detachment in the lower half of the cornea. Anterior segment optical coherence tomography (AS-OCT) and endothelial cells count confirmed DM detachment and endothelial cells damage. Descemet Stripping Automated Endothelial Keratoplasty (DSAEK) was planned and topical hypertonic therapy was prescribed before the surgery. Results: Eight months later, the patient mentioned a spontaneous increase in visual acuity; the slit-lamp examination and the AS-OCT displayed a recovery of corneal transparency with a resolution of DM detachment. Conclusions: This is the first report of spontaneous DM detachment with severe corneal edema after RK. We suggest that hypertonic therapy may reduce DM detachment and restore corneal transparency. PMID- 29225986 TI - Intranodal Palisaded Myofibroblastoma in a Submandibular Lymph Node. AB - Intranodal palisaded myofibroblastoma (IPM), also known as "intranodal hemorrhagic spindle cell tumor with amianthoid fibers," is a rare benign mesenchymal tumor originating from smooth muscle cells and myofibroblasts, often with the presence of amianthoid fibers. Usually IPM affects inguinal lymph nodes, but three cases have been described in the submandibular and cervical lymph nodes. We report a new case of a 44-year-old women with submandibular mass. Cervical ultrasound showed a suspect right submandibular adenomegaly. The patient underwent an excision of the submandibular mass. Histological features of the tumor include an encapsulated fusocellular proliferation, with nuclear palisading, amianthoid fibers, hemosiderin pigment, and extravasated erythrocytes. In the light of these results, we made the diagnosis of IPM. No recurrence was found 5 years after surgery. PMID- 29225987 TI - Daptomycin-Induced Acute Eosinophilic Pneumonia: Late Onset and Quick Recovery. AB - Background: Daptomycin is a cyclic lipopeptide antibiotic that provides great coverage for gram positive cocci. From the early years of daptomycin use, concerns were raised regarding the pulmonary side effects of daptomycin and potential development of acute eosinophilic pneumonia (AEP) secondary to daptomycin therapy. Discussion: AEP could be idiopathic or induced by drugs or toxins. It is a distinct entity from atopic diseases and autoimmune, parasitic, or fungal infections that can also cause pulmonary eosinophilia. Multiple medications are associated with acute eosinophilic pneumonia. Multiple cases of daptomycin-induced AEP have been reported in the literature. Diagnosis of AEP is based on clinical history, laboratory tests, and radiographic studies. Obtaining bronchoalveolar lavage or lung biopsy is needed to confirm the diagnosis. Timing of the drug use and clinical presentation is crucial in the diagnosis of drug induced AEP. Discontinuation of the offending drug and systemic corticosteroids are the mainstay treatment with great outcomes and recovery. Conclusion: We present a case of AEP caused by daptomycin, with complete recovery after discontinuation of daptomycin and administration of steroids. The patient had AEP after almost 6 weeks of daptomycin therapy which has never been reported in literature and our patient achieved complete recovery with appropriate management. PMID- 29225988 TI - Effective Administration of Rituximab in Anti-MDA5 Antibody-Positive Dermatomyositis with Rapidly Progressive Interstitial Lung Disease and Refractory Cutaneous Involvement: A Case Report and Literature Review. AB - We describe the case of a 48-year-old man with dermatomyositis (DM) who demonstrated rapidly progressive interstitial lung disease (RP-ILD) and refractory cutaneous involvement together with high levels of anti-melanoma differentiation-associated gene 5 antibody (anti-MDA5-Ab). Even after combination immunosuppressive therapy including a corticosteroid, cyclosporine A, and intravenous cyclophosphamide, his respiratory insufficiency and cutaneous involvement progressively worsened. However, the administration of rituximab (RTX) resulted in clinical remission as well as a visible reduction in anti-MDA5 Ab levels, suggesting that RTX could be a useful remedy in cases refractory to conventional immunosuppressive agents, especially those of RP-ILD related to anti MDA5-Ab-positive DM. PMID- 29225989 TI - Case Report of Foreign Body Stuck in Esophagus with Failure of Endoscopic Management in a Man with a History of Pica. AB - This is a case report of foreign body ingestion in a 55-year-old intellectually disabled man with a history of pica and previous removal of ten plastic gloves from his rectum four months prior to this presentation. The patient presented after ingesting plastic gloves which formed large, rigid esophageal and gastric bezoars that were not amenable to endoscopic removal. An exploratory laparotomy and gastrostomy was performed, and a 10 * 4.5 * 2 cm gastric bezoar consisting of rigid plastic gloves was removed without complication. Special considerations must be taken when considering the ingestion of nonfood items in the intellectually disabled population as these cases may not present classically with symptoms of a gastric bezoar. PMID- 29225990 TI - Cholecystectomy of an Intrahepatic Gallbladder in an Ectopic Pelvic Liver: A Case Report and Review of the Literature. AB - Introduction: Ectopic pelvic liver is an exceedingly rare condition usually resulting after repair of congenital abdominal wall defects. Intrahepatic gallbladder is another rare condition predisposing patients to cholelithiasis and its sequelae. We describe a cholecystectomy in a patient with an intrahepatic gallbladder in a pelvic ectopic liver. Presentation of Case: A 33-year-old woman with a history of omphalocele repair as an infant presented with signs and symptoms of symptomatic cholelithiasis and chronic cholecystitis, however, in an unusual location. After extensive workup and symptomatic treatment, cholecystectomy was recommended and performed via laparotomy and hepatotomy using microwave technology for parenchymal hepatic transection. Discussion: Given the rare combination of an intrahepatic gallbladder and an ectopic pelvic liver, advanced surgical techniques must be employed for cholecystectomies, in addition to involvement of hepatobiliary experienced surgeons due to the distortion of the biliary and hepatic vascular anatomy. Conclusion: Cholecystectomy by experienced hepatobiliary surgeons is a safe and effective treatment for cholecystitis in patients with intrahepatic gallbladders in ectopic pelvic livers. PMID- 29225991 TI - Administration of Protein Kinase D1 Induces a Protective Effect on Lipopolysaccharide-Induced Intestinal Inflammation in a Co-Culture Model of Intestinal Epithelial Caco-2 Cells and RAW264.7 Macrophage Cells. AB - Inflammatory bowel diseases (IBD) are chronic inflammatory diseases involving all or part of the gastrointestinal tract. The stress-activated serine-threonine protein kinase D1 (PKD1) protein has previously been implicated in intestinal immune regulation. The objective of this study was to evaluate the effects of human PKD1 in relation to intestinal inflammation, using a co-culture model of intestinal epithelial Caco-2 cells and RAW264.7 macrophages. An inflammatory response was induced in the macrophages by lipopolysaccharide (LPS), upregulating the expression of tumour necrosis factor alpha (TNF-alpha), interleukin- (IL-) 1beta, and IL-6 besides increasing the secretion of TNF-alpha protein. The effect of administering PKD1 to Caco-2 was evaluated in relation to both amelioration of inflammation and the ability to suppress inflammation initiation. Administration of PKD1 (10-100 ng/ml) following induction of inflammation induced downregulation of TNF-alpha expression in RAW264.7 cells. In addition, PKD1 administered for 3 h prior to LPS stimulation reduced the subsequent inflammatory response through downregulation of TNF-alpha, IL-1beta, and IL-6 in RAW264.7 cells. These results demonstrate a potential role of PKD1 in the intercellular communication between intestinal epithelial and immune cells, proposing a protective effect of PKD1 on the induction of an inflammatory response in macrophages, an important aspect during the pathogenesis of IBD. PMID- 29225992 TI - CART Peptide Regulates Psychostimulant-Induced Activity and Exhibits a Rate Dependency. PMID- 29225993 TI - Determination of Selected Metals in Fruit Wines by Spectroscopic Techniques. AB - Background: The determination of metals in different types of food and beverages samples has drawn significant attention due to several reasons with the most important one being the nutritional and toxic effects of these elements or their compounds. The knowledge of certain elements content in wines/fruit wines is of special interest due to their toxicity in case of excessive intake and also the effect they seem to have on the organoleptic properties of wine. Results: The study was focused on measuring the concentration levels of trace metals in fruit wines. Analysis of K, Ca, Fe, Zn, Cd, Mg, Pb, Sn, and Hg in so-called homemade fruit wine was carried out by AES, AAS, CV-AAS, and GF-AAS techniques. The calculated calibration curves showed good linearity range for all tested analytes (with coefficient of determination in the range from 0.989 to 0.999). The low values of the limit of detection (from 0.0031 MUg/L to 0.47 mg/L) and the limit of quantification (from 0.009 MUg/L to 1.41 mg/L) were obtained. Conclusions: The allowed levels of metal in fruit wines are prescribed by the International Office for Grapes and Wines (OIV). The data obtained from the study area for all metals did not exceed the international limits. PMID- 29225994 TI - Red Wine Age Estimation by the Alteration of Its Color Parameters: Fourier Transform Infrared Spectroscopy as a Tool to Monitor Wine Maturation Time. AB - Color, phenolic content, and chemical age values of red wines made from Cretan grape varieties (Kotsifali, Mandilari) were evaluated over nine months of maturation in different containers for two vintages. The wines differed greatly on their anthocyanin profiles. Mid-IR spectra were also recorded with the use of a Fourier Transform Infrared Spectrophotometer in ZnSe disk mode. Analysis of Variance was used to explore the parameter's dependency on time. Determination models were developed for the chemical age indexes using Partial Least Squares (PLS) (TQ Analyst software) considering the spectral region 1830-1500 cm-1. The correlation coefficients (r) for chemical age index i were 0.86 for Kotsifali (Root Mean Square Error of Calibration (RMSEC) = 0.067, Root Mean Square Error of Prediction (RMSEP) = 0,115, and Root Mean Square Error of Validation (RMSECV) = 0.164) and 0.90 for Mandilari (RMSEC = 0.050, RMSEP = 0.040, and RMSECV = 0.089). For chemical age index ii the correlation coefficients (r) were 0.86 and 0.97 for Kotsifali (RMSEC 0.044, RMSEP = 0.087, and RMSECV = 0.214) and Mandilari (RMSEC = 0.024, RMSEP = 0.033, and RMSECV = 0.078), respectively. The proposed method is simpler, less time consuming, and more economical and does not require chemical reagents. PMID- 29225995 TI - Psychometric Evaluation of the Persian Version of Barkley Adult Attention Deficit/Hyperactivity Disorder Screening Tool among the Elderly. AB - Background: The Barkley Adult Attention Deficit/Hyperactivity Disorder (ADHD) Rating Scale-IV (BAARS-IV) was developed, and it demonstrated good psychometric properties. The BAARS-IV includes 27 questions on the symptoms of adult ADHD. The purpose of the present study is to investigate the psychometric testing of the Persian version of BAARS-IV among the elderlies in Tabriz City. Method: This cross-sectional study was conducted in Tabriz City-in the west of Iran-in 2015 via enrolling of 121 old-aged people. We did the process of translation and adaptation of BAARS-IV and examined its concurrent validity, internal consistency, and test-retest reliability. Result: The BAARS-IV demonstrated good internal consistency and test-retest reliability. Correlations between the BAARS IV and the CAARS-S: SV were high and evidence supporting concurrent validity was revealed. Cronbach's alpha for the overall scale and subscales stood at 0.89, 0.81, 0.66, 0.56, and 0.82, respectively. Conclusion: The Persian BAARS-IV showed acceptable reliability and validity. BAARS-IV was determined to be composed of internally consistent and psychometrically sound items. PMID- 29225996 TI - Value and Financial Toxicity of New Cancer Drugs. PMID- 29225997 TI - Beyond BRCA: A Pilot Program to Assess and Improve Knowledge of Pharmacogenomic Testing Among Advanced Practitioners in a Breast Cancer Treatment Setting. AB - To provide the best available evidence-based care to their patients, advanced practitioners (APs) must become proficient in genomic competencies and remain informed regarding the availability of pharmacogenomic tests. Databases, such as the Centers for Disease Control and Prevention's "Genomic Testing," provide guidance about pharmacogenomic testing, but many APs are not aware of these resources. This study employed a quasi-experimental pretest/posttest design using a convenience sample of APs in a large clinical outpatient breast cancer clinic to assess the knowledge base, beliefs, attitudes, and barriers regarding pharmacogenomic testing among front-line APs and increase knowledge through a targeted educational intervention. The objectives of the educational intervention were to (1) increase knowledge of the clinical indication for testing; (2) increase collaboration among the interprofessional team; and (3) identify correctly when the plan of care should be modified based on pharmacogenomic test results to optimize patient outcomes. Responses showed that these oncology APs possess a strong foundation in genetics and support the addition of new pharmacogenomic tests to their practice. PMID- 29225998 TI - Multigene Panel Testing for Hereditary Cancer Risk. PMID- 29225999 TI - Effectiveness of Granulocyte Transfusions in Neutropenic Adult Oncology Patients: A Comprehensive Review of the Literature. AB - Among patients with cancer, many factors can cause severe and persistent neutropenia, leading to increased morbidity and mortality. For patients with neutrophil deficiency, replacement with granulocyte transfusion (GTX) seems a rational approach. However, existing data on the efficacy of GTX have been inconclusive, and such adverse effects as respiratory distress and death indicate the need for further investigation into its efficacy. The purpose of this literature review was to address the question, "Are granulocyte transfusions effective in the management of adult oncology patients with neutropenia?" The focus was on adequate dosing, optimal timing of initiation, and adverse effects. Implications for practice for the provider and the niche population of neutropenic adult oncology patients that might benefit from GTX are presented. PMID- 29226000 TI - Optimizing the Teachable Moment for Health Promotion for Cancer Survivors and Their Families. PMID- 29226001 TI - Ruxolitinib in Myelofibrosis and Polycythemia Vera. PMID- 29226002 TI - Trifluridine/Tipiracil: Old Drug, New Tricks. PMID- 29226003 TI - Assessment of Constipation in Patients With Cancer. PMID- 29226005 TI - Active Sensing for Continuous State and Action Spaces via Task-Action Entropy Minimization. AB - In this paper, a new task-oriented active-sensing method is presented. Most active sensing methods choose sensing actions that minimize the uncertainty of the state according to some information-theoretic measure. While this is reasonable for most applications, minimizing state uncertainty may not be most relevant when the state information is used to perform a task. This is because the uncertainty in some subspace of the state space could have more impact on the performance of the task than the others at a given time. The active-sensing method presented in this paper takes the task into account when selecting sensing actions by minimizing the uncertainty in future task action. PMID- 29226004 TI - Understanding the Context of Romantic Partner Relational Victimization: Links between Relationship Satisfaction, Depressive Symptoms, and Alcohol-Related Problems. AB - Objective: The purpose of this study was to examine links across romantic partner relational victimization, depressive symptoms, and drinking problems during young adulthood. We were interested in evaluating depression as a mediator of the association between relational victimization by one's romantic partner, drinking problems, and the conditional indirect effects of relationship satisfaction. Method: 269 individuals aged 18 to 26 years (68% female, Mage = 22.78 years, SD = 4.70) participated in the study. They completed self-report measures online. Results: Mediation results indicated that depression significantly mediated the association between relational victimization and alcohol-related problems. Furthermore, tests of conditional indirect effects suggest that depression mediated the association between romantic partner relational victimization and alcohol-related problems among those who were lower in relationship satisfaction, but not among those who were higher in relationship satisfaction. Conclusions: Findings are discussed with attention to the developmental significance of romantic relationships during the transition to young adulthood. Specifically, the current findings add to the existing literature, which has suggested that both relationship aggression and depression are associated with problematic drinking. PMID- 29226006 TI - Next Generation Quality: Assessing the Physician in Clinical History Completeness and Diagnostic Interpretations Using Funnel Plots and Normalized Deviations Plots in 3,854 Prostate Biopsies. AB - Background: Observational data and funnel plots are routinely used outside of pathology to understand trends and improve performance. Objective: Extract diagnostic rate (DR) information from free text surgical pathology reports with synoptic elements and assess whether inter-rater variation and clinical history completeness information useful for continuous quality improvement (CQI) can be obtained. Methods: All in-house prostate biopsies in a 6-year period at two large teaching hospitals were extracted and then diagnostically categorized using string matching, fuzzy string matching, and hierarchical pruning. DRs were then stratified by the submitting physicians and pathologists. Funnel plots were created to assess for diagnostic bias. Results: 3,854 prostate biopsies were found and all could be diagnostically classified. Two audits involving the review of 700 reports and a comparison of the synoptic elements with the free text interpretations suggest a categorization error rate of <1%. Twenty-seven pathologists each read >40 cases and together assessed 3,690 biopsies. There was considerable inter-rater variability and a trend toward more World Health Organization/International Society of Urologic Pathology Grade 1 cancers in older pathologists. Normalized deviations plots, constructed using the median DR, and standard error can elucidate associated over- and under-calls for an individual pathologist in relation to their practice group. Clinical history completeness by submitting medical doctor varied significantly (100% to 22%). Conclusion: Free text data analyses have some limitations; however, they could be used for data driven CQI in anatomical pathology, and could lead to the next generation in quality of care. PMID- 29226007 TI - Houston Methodist Variant Viewer: An Application to Support Clinical Laboratory Interpretation of Next-generation Sequencing Data for Cancer. AB - Introduction: Next-generation-sequencing (NGS) is increasingly used in clinical and research protocols for patients with cancer. NGS assays are routinely used in clinical laboratories to detect mutations bearing on cancer diagnosis, prognosis and personalized therapy. A typical assay may interrogate 50 or more gene targets that encompass many thousands of possible gene variants. Analysis of NGS data in cancer is a labor-intensive process that can become overwhelming to the molecular pathologist or research scientist. Although commercial tools for NGS data analysis and interpretation are available, they are often costly, lack key functionality or cannot be customized by the end user. Methods: To facilitate NGS data analysis in our clinical molecular diagnostics laboratory, we created a custom bioinformatics tool termed Houston Methodist Variant Viewer (HMVV). HMVV is a Java-based solution that integrates sequencing instrument output, bioinformatics analysis, storage resources and end user interface. Results: Compared to the predicate method used in our clinical laboratory, HMVV markedly simplifies the bioinformatics workflow for the molecular technologist and facilitates the variant review by the molecular pathologist. Importantly, HMVV reduces time spent researching the biological significance of the variants detected, standardizes the online resources used to perform the variant investigation and assists generation of the annotated report for the electronic medical record. HMVV also maintains a searchable variant database, including the variant annotations generated by the pathologist, which is useful for downstream quality improvement and research projects. Conclusions: HMVV is a clinical grade, low-cost, feature-rich, highly customizable platform that we have made available for continued development by the pathology informatics community. PMID- 29226008 TI - Variation in Results Release and Patient Portal Access to Diagnostic Test Results at an Academic Medical Center. AB - Background: Electronic health records (EHRs) are commonplace in industrialized countries. Many hospitals are granting their patients access to their medical information through online patient portals. In this report, we describe a retrospective analysis of patient access to diagnostic test results released through the patient portal (MyChart; Epic, Inc.) at a state academic medical center. Methods: We analyzed 6 months of data for anatomic pathology, clinical laboratory, and radiology test results to evaluate variations in results release (automated vs. manual) and subsequent patient access to the institutional patient portal. During this period, diagnostic test results were released for all patient encounters including inpatient units, outpatient clinics, and the emergency department. Results: Manual results release by providers before automated release time occurred most commonly in the outpatient setting. The highest rates of access of diagnostic test results occurred for outpatients (about 30% overall view rate), females (two times or more compared to males in nearly every age bracket), and 20-45-year-old. Access rates of diagnostic tests in the emergency department or inpatient units were <10% across all populations. Access of diagnostic test results was very low for 12-17-year-old, likely influenced by institutional policies limiting parental proxy access within this pediatric age range. Approximately 20% of outpatient laboratory results were viewed by patients within 8 h of release from the EHR to the patient portal and 10% within 2 h of release. Conclusions: Patient accessing of diagnostic test results were generally higher for females, outpatients, and 20-45-year-old. Approximately, 20% of outpatient results were viewed quickly by patients after release to the EHR. PMID- 29226009 TI - Mechanism of Cobalt-Catalyzed CO Hydrogenation: 1. Methanation. AB - The mechanism of CO hydrogenation to CH4 at 260 degrees C on a cobalt catalyst is investigated using steady-state isotopic transient kinetic analysis (SSITKA) and backward and forward chemical transient kinetic analysis (CTKA). The dependence of CH x residence time is determined by 12CO/H2 -> 13CO/H2 SSITKA as a function of the CO and H2 partial pressure and shows that the CH4 formation rate is mainly controlled by CH x hydrogenation rather than CO dissociation. Backward CO/H2 -> H2 CTKA emphasizes the importance of H coverage on the slow CH x hydrogenation step. The H coverage strongly depends on the CO coverage, which is directly related to CO partial pressure. Combining SSITKA and backward CTKA allows determining that the amount of additional CH4 obtained during CTKA is nearly equal to the amount of CO adsorbed to the cobalt surface. Thus, under the given conditions overall barrier for CO hydrogenation to CH4 under methanation condition is lower than the CO adsorption energy. Forward CTKA measurements reveal that O hydrogenation to H2O is also a relatively slow step compared to CO dissociation. The combined transient kinetic data are used to fit an explicit microkinetic model for the methanation reaction. The mechanism involving direct CO dissociation represents the data better than a mechanism in which H-assisted CO dissociation is assumed. Microkinetics simulations based on the fitted parameters confirms that under methanation conditions the overall CO consumption rate is mainly controlled by C hydrogenation and to a smaller degree by O hydrogenation and CO dissociation. These simulations are also used to explore the influence of CO and H2 partial pressure on possible rate-controlling steps. PMID- 29226010 TI - Mechanism of Cobalt-Catalyzed CO Hydrogenation: 2. Fischer-Tropsch Synthesis. AB - Fischer-Tropsch (FT) synthesis is one of the most complex catalyzed chemical reactions in which the chain-growth mechanism that leads to formation of long chain hydrocarbons is not well understood yet. The present work provides deeper insight into the relation between the kinetics of the FT reaction on a silica supported cobalt catalyst and the composition of the surface adsorbed layer. Cofeeding experiments of 12C3H6 with 13CO/H2 evidence that CH x surface intermediates are involved in chain growth and that chain growth is highly reversible. We present a model-based approach of steady-state isotopic transient kinetic analysis measurements at FT conditions involving hydrocarbon products containing up to five carbon atoms. Our data show that the rates of chain growth and chain decoupling are much higher than the rates of monomer formation and chain termination. An important corollary of the microkinetic model is that the fraction of free sites, which is mainly determined by CO pressure, has opposing effects on CO consumption rate and chain-growth probability. Lower CO pressure and more free sites leads to increased CO consumption rate but decreased chain growth probability because of an increasing ratio of chain decoupling over chain growth. The preferred FT condition involves high CO pressure in which chain growth probability is increased at the expense of the CO consumption rate. PMID- 29226011 TI - Role of Conformational Dynamics in the Evolution of Retro-Aldolase Activity. AB - Enzymes exist as ensembles of conformations that are important for function. Tuning these populations of conformational states through mutation enables evolution toward additional activities. Here we computationally evaluate the population shifts induced by distal and active site mutations in a family of computationally designed and experimentally optimized retro-aldolases. The conformational landscape of these enzymes was significantly altered during evolution, as pre-existing catalytically active conformational substates became major states in the most evolved variants. We further demonstrate that key residues responsible for these substate conversions can be predicted computationally. Significantly, the identified residues coincide with those positions mutated in the laboratory evolution experiments. This study establishes that distal mutations that affect enzyme catalytic activity can be predicted computationally and thus provides the enzyme (re)design field with a rational strategy to determine promising sites for enhancing activity through mutation. PMID- 29226012 TI - Hydride Transfer versus Deprotonation Kinetics in the Isobutane-Propene Alkylation Reaction: A Computational Study. AB - The alkylation of isobutane with light alkenes plays an essential role in modern petrochemical processes for the production of high-octane gasoline. In this study we have employed periodic DFT calculations combined with microkinetic simulations to investigate the complex reaction mechanism of isobutane-propene alkylation catalyzed by zeolitic solid acids. Particular emphasis was given to addressing the selectivity of the alkylate formation versus alkene formation, which requires a high rate of hydride transfer in comparison to the competitive oligomerization and deprotonation reactions resulting in catalyst deactivation. Our calculations reveal that hydride transfer from isobutane to a carbenium ion occurs via a concerted C-C bond formation between a tert-butyl fragment and an additional olefin, or via deprotonation of the tert-butyl fragment to generate isobutene. A combination of high isobutane concentration and low propene concentration at the reaction center favor the selective alkylation. The key reaction step that has to be suppressed to increase the catalyst lifetime is the deprotonation of carbenium intermediates that are part of the hydride transfer reaction cycle. PMID- 29226013 TI - Novel Therapeutic Approach for Inhibition of HIV-1 Using Cell-Penetrating Peptide and Bacterial Toxins. AB - Despite advancements in our understanding of HIV-1 pathogenesis, critical virus components for immunity, vaccines trials, and drugs development, challenges remain in the fight against HIV-1. Of great importance is the inhibitory function of microbicidal cell penetrating peptides and bacterial toxins that interfere with production and neutralize infection of HIV-1 particles. We demonstrate that the neutralizing activity of a cationic 18 amino acids peptide, is similar to a broadly neutralizing human antibody, and inhibits production of two HIV-1 strains in human cell lines. Pretreatment of cells with bacterial toxins or toxoids derived from enterotoxigenic E. coli, boost subsequent activity of the peptide against HIV-1, to inhibit simultaneously production and infection. The synthetic peptide crosses the cell membrane into the cytoplasm and nucleus. In vitro analysis of a possible target for this peptide revealed specific binding to recombinant HIV-1 gag p24. This is the first demonstration of a synergy between bacterial toxins and a cell-penetrating peptide against HIV-1. PMID- 29226014 TI - The Role of Iron Metabolism in Lung Inflammation and Injury. AB - Iron is required for many vital functions including oxygen transport and energy metabolism. Protective mechanisms maintain optimal iron concentration involving dynamic regulation of the transporters and iron storage proteins. In addition to these systemic regulatory mechanisms, the unique lung environment must provide detoxification from metal-induced oxidative stress and pathogenic infections. This review focuses on the unique role of iron metabolism in lung injury and inflammation. PMID- 29226016 TI - Civic engagement and political participation among American Indians and Alaska natives in the US. AB - Within the growing literature seeking to understand civic and political engagement among racial and ethnic minorities, our understanding of political behavior among American Indian and Alaska Native's (AI/AN) remains limited. We use the Current Population Survey Civic Engagement and Voting and Registration supplements (2006-2012) to compare AI/AN voter registration, voting, and overall civic engagement to other racial and ethnic groups and to assess whether factors that predict higher levels of civic engagement vary across these populations. We find a few key socio-economic status indicators that predict civic and political engagement uniquely for AI/ANs, but they are not consistently significant across all years or all types of political participation. We find marital status, age, household size, education, and veteran status to be important in predicting civic engagement for AI/ANs. However, for voting and registration, we find that family income, age, marital status, household size, and residential stability to be important contributors. Although we find AI/ANs are less likely to register and vote compared to non-Hispanic whites, we find that the difference is not statistically significant in congressional years, which may suggest that AI/ANs are engaged in local politics and vote for representatives that will represent their tribal interests in national politics. PMID- 29226015 TI - Conserved HIV Epitopes for an Effective HIV Vaccine. AB - Despite major advances in antiretroviral therapy against HIV-1, an effective HIV vaccine is urgently required to reduce the number of new cases of HIV infections in the world. Vaccines are the ultimate tool in the medical arsenal to control and prevent the spread of infectious diseases such as HIV/AIDS. Several failed phase-IIb to -III clinical vaccine trials against HIV-1 in the past generated a plethora of information that could be used for better designing of an effective HIV vaccine in the future. Most of the tested vaccine candidates produced strong humoral responses against the HIV proteins; however, failed to protect due to: 1) the low levels and the narrow breadth of the HIV-1 neutralizing antibodies and the HIV-specific antibody-dependent Fc-mediated effector activities, 2) the low levels and the poor quality of the anti-HIV T-cell responses, and 3) the excessive responses to immunodominant non-protective HIV epitopes, which in some cases blocked the protective immunity and/or enhanced HIV infection. The B-cell epitopes on HIV for producing broadly neutralizing antibodies (bNAbs) against HIV have been extensively characterized, and the next step is to develop bNAb epitope immunogen for HIV vaccine. The bNAb epitopes are often conformational epitopes and therefore more difficult to construct as vaccine immunogen and likely to include immunodominant non-protective HIV epitopes. In comparison, T-cell epitopes are short linear peptides which are easier to construct into vaccine immunogen free of immunodominant non-protective epitopes. However, its difficulty lies in identifying the T-cell epitopes conserved among HIV subtypes and induce long-lasting, potent polyfunctional T-cell and cytotoxic T lymphocyte (CTL) activities against HIV. In addition, these protective T-cell epitopes must be recognized by the HLA prevalent in the country(s) targeted for the vaccine trial. In conclusion, extending from the findings from previous vaccine trials, future vaccines should combine both T- and B-cell epitopes as vaccine immunogen to induce multitude of broad and potent immune effector activities required for sterilizing protection against global HIV subtypes. PMID- 29226017 TI - Buprenorphine for Medication-Assisted Treatment of Opioid Use Disorder in Pregnancy: Relationship to Neonatal Opioid Withdrawal Syndrome. AB - Objective To examine the relationship between antepartum buprenorphine dose for medication-assisted treatment (MAT) of opioid use disorder (OUD) and incident neonatal opioid withdrawal syndrome (NOWS). Study Design We performed a prospective cohort study of pregnant women with a singleton gestation diagnosed with OUD and receiving buprenorphine for MAT at a tertiary care academic institution from July 2015 to January 2017. We divided the study cohort into two groups-pregnancies with versus without NOWS. Substance abuse patterns in pregnancy, maternal, and neonatal clinical outcomes were compared. Results The incidence of NOWS was 31.11% ( n = 28/90) in our study cohort. Pregnancies with NOWS had a significantly higher rate of benzodiazepine positive urine tests and number of positive urine drug screen (UDS) results for illicit opioids. The group without NOWS had significantly higher number of patients with an appropriate UDS result at delivery through postpartum. Rates of neonatal intensive care unit (NICU) admission, length of NICU stay, and maximum Finnegan score were significantly higher in the group with NOWS. Neither the initial (10.6 +/- 5.2 versus 10.3 +/- 4.8 mg, p = 0.80) nor the final buprenorphine doses (13.3 +/- 5.1 versus 13.0 +/- 4.6 mg, p = 0.81) were significantly different between study groups. Conclusion The occurrence of NOWS was not related to buprenorphine dose used for MAT. PMID- 29226018 TI - Conformal phased surfaces for wireless powering of bioelectronic microdevices. AB - Wireless powering could enable the long-term operation of advanced bioelectronic devices within the human body. Although both enhanced powering depth and device miniaturization can be achieved by shaping the field pattern within the body, existing electromagnetic structures do not provide the spatial phase control required to synthesize such patterns. Here, we describe the design and operation of conformal electromagnetic structures, termed phased surfaces, that interface with non-planar body surfaces and optimally modulate the phase response to enhance the performance of wireless powering. We demonstrate that the phased surfaces can wirelessly transfer energy across anatomically heterogeneous tissues in large animal models, powering miniaturized semiconductor devices (<12 mm3) deep within the body (>4 cm). As an illustration of in vivo operation, we wirelessly regulated cardiac rhythm by powering miniaturized stimulators at multiple endocardial sites in a porcine animal model. PMID- 29226019 TI - Absence of Acanthocytosis in Huntington's Disease-like 2: A Prospective Comparison with Huntington's Disease. AB - Background: Huntington's Disease-like 2 (HDL2) is classified as a neuroacanthocytosis; however, this remains unverified. We aim to determine if acanthocytes are present in HDL2 and whether acanthocytes can differentiate HDL2 from Huntington's disease (HD). Methods: We prospectively compared 13 HD and 12 HDL2 cases against 21 unaffected controls in Johannesburg. Blood smears were prepared using international standards and reviewed by at least two blinded reviewers. An acanthocytosis rate of greater than 1.2% in the dry smear or greater than 3.7% in the wet smear was designated a priori as the threshold for clinical significance based on previously established standards. Flow cytometry was performed on all but four of the cases. Red cell membrane protein analysis was performed on all participants. Results: There were 12 HDL2, 13 HD, and 21 controls enrolled. None of the HD or HDL2 participants had defined acanthocytosis or other morphological abnormalities. None of the HD or HDL2 cases had evidence of an abnormal band 3. Discussion: Acanthocytosis was not identified in either HDL2 or HD in our patient population. Our results, based on the first prospective study of acanthocytes in HDL2 or HD, suggest that screening for acanthocytes will not help establish the diagnosis of HD or HDL2, nor differentiate between the two disorders and raises the question if HDL2 should be placed within the neuroacanthocytosis syndromes. PMID- 29226020 TI - Severe Bilateral Kinetic Tremor Due to Unilateral Midbrain Lesions. AB - Background: The dentatothalamic tract connects the dentate nucleus of the cerebellum with the contralateral thalamus and plays a major role in the pathogenesis of tremor. Unilateral lesions of the dentatothalamic pathway may affect its ipsilateral predecussational or its contralateral postdecussational course, which results either in ipsilateral or in contralateral tremor. Case Report: Here, we present two patients with a unilateral midbrain lesion resulting in bilateral tremor. Both patients presented with severe kinetic tremor. Discussion: The corresponding unilateral mesencephalic lesion affected both the ipsilateral predecussational and the ipsilateral postdecussational dentatothalamic tract originating from the contralateral dentate nucleus, which is very unusual and has not been outlined clearly before. PMID- 29226021 TI - Holmes Tremor Secondary to a Stabbing Lesion in the Midbrain. AB - Background: The development of Holmes tremor (HT) after a direct lesion of the midbrain has rarely been reported in the literature, although several etiologies have been linked with HT, such as stroke, brainstem tumors, multiple sclerosis, head trauma, or infections. Phenomenology Shown: A 31-year-old male, having been stabbed in the right eye, presented with a rest and action tremor in the left upper limb associated with left hemiparesis with corresponding post-contrast volumetric magnetic resonance imaging T1 with sagittal oblique reformation showing the knife trajectory reaching the right midbrain. Educational Value: Despite the rarity of the etiology of HT in the present case, clinicians working with persons with brain injuries should be aware of this type of situation. PMID- 29226022 TI - Isotropic Elastic Stress Induced Large Temperature Range Liquid Crystal Blue Phase at Room Temperature. AB - A thermodynamically stable blue phase (BP) based on the conventional rod like nematogen is demonstrated for the first time at room temperature by only diluting a chiral-nematic mixture with the help of some nonmesogenic isotropic liquid. It is observed that addition of this isotropic liquid does not only stabilize the BPs at room temperature, but also significantly improves the temperature range (reversible during heating and cooling) of the BPs to the level of more than 28 degrees C. Apart from that, we have observed its microsecond electro-optic response time and, external electric field induced wavelength tuning, which are the two indispensable requirements for next generation optical devices, photonic displays, lasers, and many more. Here we propose that the isotropic liquid plays two crucial roles simultaneously. On one hand, it reduces the effective elastic moduli (EEM) of the BP mixtures and stabilizes the BPs at room temperature, and on the other hand, it increases the symmetry of the mutual orientation ordering among the neighboring unit cells of the BP. Hence, the resultant mixture becomes better resistive to some microscopic change due to the change in temperature, even over a large range. PMID- 29226023 TI - Evaluating the Whitening and Microstructural Effects of a Novel Whitening Strip on Porcelain and Composite Dental Materials. AB - Aims: The aim of this project was to evaluate the effects of 2 different whitening strips on color, microstructure and roughness of tea stained porcelain and composite surfaces. Methods: 54 porcelain and 72 composite chips served as samples for timed application of over-the-counter (OTC) test or control dental whitening strips. Chips were divided randomly into three groups of 18 porcelain and 24 composite chips each. Of these groups, 1 porcelain and 1 composite set served as controls. The remaining 2 groups were randomized to treatment with either Oral Essentials(r) Whitening Strips or Crest(r) 3D White WhitestripsTM. Sample surface structure was examined by light microscopy, profilometry and Scanning Electron Microscopy (SEM). Additionally, a reflectance spectrophotometer was used to assess color changes in the porcelain and composite samples over 24 hours of whitening. Data points were analyzed at each time point using ANOVA. Results: In the light microscopy and SEM images, no discrete physical defects were observed in any of the samples at any time points. However, high-resolution SEM images showed an appearance of increased surface roughness in all composite samples. Using profilometry, significantly increased post-whitening roughness was documented in the composite samples exposed to the control bleaching strips. Composite samples underwent a significant and equivalent shift in color following exposure to Crest(r) 3D White WhitestripsTM and Oral Essentials(r) Whitening Strips. Conclusions: A novel commercial tooth whitening strip demonstrated a comparable beaching effect to a widely used OTC whitening strip. Neither whitening strip caused physical defects in the sample surfaces. However, the control strip caused roughening of the composite samples whereas the test strip did not. PMID- 29226024 TI - Polymers at Liquid/Vapor Interface. AB - Polymers confined to the liquid/vapor interface are studied using molecular dynamics simulations. We show that for polymers which are weakly immiscible with the solvent, the density profile perpendicular to the liquid/vapor interface is strongly asymmetric. On the vapor side of the interface, the density distribution falls off as a Gaussian with a decay length on the order of the bead diameter, whereas on the liquid side, the density profile decays as a simple exponential. This result differs from that of a polymer absorbed from a good solvent with the density profile decaying as a power law. As the surface coverage increases, the average end-to-end distance and chain mobility systematically decreases toward that of the homopolymer melt. PMID- 29226025 TI - Permeable Protein-Loaded Polymersome Cascade Nanoreactors by Polymerization Induced Self-Assembly. AB - Enzyme loading of polymersomes requires permeability to enable them to interact with the external environment, typically requiring addition of complex functionality to enable porosity. Herein, we describe a synthetic route towards intrinsically permeable polymersomes loaded with functional proteins using initiator-free visible light-mediated polymerization-induced self-assembly (photo PISA) under mild, aqueous conditions using a commercial monomer. Compartmentalization and retention of protein functionality was demonstrated using green fluorescent protein as a macro-molecular chromophore. Catalytic enzyme-loaded vesicles using horseradish peroxidase and glucose oxidase were also prepared and the permeability of the membrane towards their small molecule substrates was revealed for the first time. Finally, the interaction of the compartmentalized enzymes between separate vesicles was validated by means of an enzymatic cascade reaction. These findings have a broad scope as the methodology could be applied for the encapsulation of a large range of macromolecules for advancements in the fields of nanotechnology, biomimicry and nanomedicine. PMID- 29226026 TI - Ultra-Low Dispersity Poly(vinyl alcohol) Reveals Significant Dispersity Effects on Ice Recrystallization Inhibition Activity. AB - Polymer mimics of antifreeze proteins are emerging as an exciting class of macromolecular cryoprotectants for the storage of donor cells and tissue. Poly(vinyl alcohol), PVA, is the most potent polymeric ice growth inhibitor known, but its mode of action and the impact of valency (DP) are not fully understood. Herein, tandem RAFT polymerization and column chromatography are used to isolate oligomers with dispersities <1.01 to enable the effect of molecular weight distribution, as well as length, to be probed. It is found that polymers with equal number average molecular weight, but lower dispersity, have significantly less activity, which can lead to false positives when identifying structure-property relationships. The minimum chain length for PVA's unique activity, compared to other non-active poly-ols was identified. These results will guide the design of more active inhibitors, better cryopreservatives and a deeper understanding of synthetic and biological antifreeze macromolecules. PMID- 29226028 TI - Adolescent transgender health: Awareness does not equal resources. PMID- 29226027 TI - Global Burden of Skin Disease: Inequities and Innovations. AB - Purpose of Review: We review the current understanding of the burden of dermatological disease through the lens of the Global Burden of Disease project, evaluate the impact of skin disease on quality of life in a global context, explore socioeconomic implications, and finally summarize interventions towards improving quality of dermatologic care in resource-poor settings. Recent Findings: The Global Burden of Disease project has shown that skin diseases continue to be the 4th leading cause of nonfatal disease burden world-wide. However, research efforts and funding do not match with the relative disability of skin diseases. International and national efforts, such as the WHO List of Essential Medicines, are critical towards reducing the socioeconomic burden of skin diseases and increasing access to care. Recent innovations such as teledermatology, point-of-care diagnostic tools, and task-shifting help to provide dermatological care to underserved regions in a cost-effective manner. Summary: Skin diseases cause significant non-fatal disability worldwide, especially in resource-poor regions. Greater impetus to study the burden of skin disease in low resource settings and policy efforts towards delivering high quality care are essential in improving the burden of skin diseases. PMID- 29226029 TI - Diagnosis and Treatment of Ocular Pain: the Ophthalmologist's Perspective. AB - Purpose of Review: The aim of this review is to help ophthalmologists and other clinicians understand and treat ocular neuropathic pain. Recent Findings: Advances in the field of neurophysiology of ocular sensations explain why some cases of dry eye may represent a pain syndrome rather than a problem related to tear status. Principles related to management of pain syndromes such as persistent post-operative pain and complex regional pain syndrome are relevant to the care of these patients. Summary: Specific strategies for the ophthalmologist, including multimodal therapy comprised of local and systemic approaches, can be helpful in the care of patients with problematic ocular pain. Rather than dismiss these syndromes and these patients, ophthalmologists can serve these patients and the profession well by incorporating an understanding of ocular neuropathic pain into their practice and by collaboration in the care of patients with problematic ocular pain. PMID- 29226030 TI - Correction: Prevalence and correlates of psychological distress among diabetes mellitus adults in the Jilin province in China: a cross-sectional study. AB - [This corrects the article DOI: 10.7717/peerj.2869.]. PMID- 29226031 TI - Sodium salt medium-chain fatty acids and Bacillus-based probiotic strategies to improve growth and intestinal health of gilthead sea bream (Sparus aurata). AB - Background: The increased demand for fish protein has led to the intensification of aquaculture practices which are hampered by nutritional and health factors affecting growth performance. To solve these problems, antibiotics have been used for many years in the prevention, control and treatment against disease as well as growth promoters to improve animal performance. Nowadays, the use of antibiotics in the European Union and other countries has been completely or partially banned as a result of the existence of antibiotic cross-resistance. Therefore, a number of alternatives, including enzymes, prebiotics, probiotics, phytonutrients and organic acids used alone or in combination have been proposed for the improvement of immunological state, growth performance and production in livestock animals. The aim of the present study was to evaluate two commercially available feed additives, one based on medium-chain fatty acids (MCFAs) from coconut oil and another with a Bacillus-based probiotic, in gilthead sea bream (GSB, Sparus aurata), a marine farmed fish of high value in the Mediterranean aquaculture. Methods: The potential benefits of adding two commercial feed additives on fish growth performance and intestinal health were assessed in a 100 days feeding trial. The experimental diets (D2 and D3) were prepared by supplementing a basal diet (D1) with MCFAs in the form of a sodium salt of coconut fatty acid distillate (DICOSAN(r); Norel, Madrid, Spain), rich on C-12, added at 0.3% (D2) or with the probiotic Bacillus amyloliquefaciens CECT 5940, added at 0.1% (D3). The study integrated data on growth performance, blood biochemistry, histology and intestinal gene expression patterns of selected markers of intestinal function and architecture. Results: MCFAs in the form of a coconut oil increased feed intake, growth rates and the surface of nutrient absorption, promoting the anabolic action of the somatotropic axis. The probiotic (D3) induced anti-inflammatory and anti-oxidant effects with changes in circulating cortisol, immunoglobulin M, leukocyte respiratory burst, and mucosal expression levels of cytokines, lymphocyte markers and immunoglobulin T. Discussion: MCFA supplementation showed positive effects on GSB growth and intestinal architecture acting mainly in the anterior intestine, where absorption takes place. The probiotic B. amyloliquefaciens CECT 5940 exhibited key effects in the regulation of the immune status inducing anti-inflammatory and anti oxidant effects which can be potentially advantageous upon infection or exposure to other stressors. The potential effects of these feed additives in GSB are very promising to improve health and disease resistance in aquaculture. PMID- 29226032 TI - Resurrecting a subgenus to genus: molecular phylogeny of Euphyllia and Fimbriaphyllia (order Scleractinia; family Euphyllidae; clade V). AB - Background: The corallum is crucial in building coral reefs and in diagnosing systematic relationships in the order Scleractinia. However, molecular phylogenetic analyses revealed a paraphyly in a majority of traditional families and genera among Scleractinia showing that other biological attributes of the coral, such as polyp morphology and reproductive traits, are underutilized. Among scleractinian genera, the Euphyllia, with nine nominal species in the Indo Pacific region, is one of the groups that await phylogenetic resolution. Multiple genetic markers were used to construct the phylogeny of six Euphyllia species, namely E. ancora, E. divisa, E. glabrescens, E. paraancora, E. paradivisa, and E. yaeyamaensis. The phylogeny guided the inferences on the contributions of the colony structure, polyp morphology, and life history traits to the systematics of the largest genus in Euphyllidae (clade V) and, by extension, to the rest of clade V. Results: Analyses of cytochrome oxidase 1 (cox1), cytochrome b (cytb), and beta-tubulin genes of 36 colonies representing Euphyllia and a confamilial species, Galaxea fascicularis, reveal two distinct groups in the Euphyllia that originated from different ancestors. Euphyllia glabrescens formed a separate group. Euphyllia ancora, E. divisa, E. paraancora, E. paradivisa, and E. yaeyamaensis clustered together and diverged from the same ancestor as G. fascicularis. The 3'-end of the cox1 gene of Euphyllia was able to distinguish morphospecies. Discussion: Species of Euphyllia were traditionally classified into two subgenera, Euphyllia and Fimbriaphyllia, which represented a dichotomy on colony structure. The paraphyletic groups retained the original members of the subgenera providing a strong basis for recognizing Fimbriaphyllia as a genus. However, colony structure was found to be a convergent trait between Euphyllia and Fimbriaphyllia, while polyp shape and length, sexuality, and reproductive mode defined the dichotomy better. Species in a genus are distinguished by combining polyp morphology and colony form. The cluster of E. glabrescens of the Euphyllia group is a hermaphroditic brooder with long, tubular tentacles with knob-like tips, and a phaceloid colony structure. The Fimbriaphyllia group, with F. paraancora, F. paradivisa, F. ancora, F. divisa, and F. yaeyamaensis, are gonochoric broadcast spawners with short polyps, mixed types of tentacle shapes, and a phaceloid or flabello-meandroid skeleton. Soft-tissue morphology of G. fascicularis and Ctenella chagius were found to be consistent with the dichotomy. Conclusions: The paraphyly of the original members of the previous subgenera justify recognizing Fimbriaphyllia as a genus. The integrated approach demonstrates that combining polyp features, reproductive traits, and skeletal morphology is of high systematic value not just to Euphyllia and Fimbriaphyllia but also to clade V; thus, laying the groundwork for resolving the phylogeny of clade V. PMID- 29226033 TI - Patterns in artisanal coral reef fisheries revealed through local monitoring efforts. AB - Sustainable fisheries management is key to restoring and maintaining ecological function and benefits to people, but it requires accurate information about patterns of resource use, particularly fishing pressure. In most coral reef fisheries and other data-poor contexts, obtaining such information is challenging and remains an impediment to effective management. We developed the most comprehensive regional view of shore-based fishing effort and catch published to date, to show detailed fishing patterns from across the main Hawaiian Islands (MHI). We reveal these regional patterns through fisher "creel" surveys conducted by local communities, state agencies, academics, and/or environmental organizations, at 18 sites, comprising >10,000 h of monitoring across a range of habitats and human influences throughout the MHI. All creel surveys included in this study except for one were previously published in some form (peer-reviewed articles or gray literature reports). Here, we synthesize these studies to document spatial patterns in nearshore fisheries catch, effort, catch rates (i.e., catch-per-unit-effort (CPUE)), and catch disposition (i.e., use of fish after catch is landed). This effort provides for a description of general regional patterns based on these location-specific studies. Line fishing was by far the dominant gear type employed. The most efficient gear (i.e., highest CPUE) was spear (0.64 kg h-1), followed closely by net (0.61 kg h-1), with CPUE for line (0.16 kg h-1) substantially lower than the other two methods. Creel surveys also documented illegal fishing activity across the studied locations, although these activities were not consistent across sites. Overall, most of the catch was not sold, but rather retained for home consumption or given away to extended family, which suggests that cultural practices and food security may be stronger drivers of fishing effort than commercial exploitation for coral reef fisheries in Hawai'i. Increased monitoring of spatial patterns in nearshore fisheries can inform targeted management, and can help communities develop a more informed understanding of the drivers of marine resource harvest and the state of the resources, in order to maintain these fisheries for food security, cultural practices, and ecological value. PMID- 29226034 TI - Constructing a comprehensive gene co-expression based interactome in Bos taurus. AB - Integrating genomic information into cattle breeding is an important approach to exploring genotype-phenotype relationships for complex traits related to diary and meat production. To assist with genomic-based selection, a reference map of interactome is needed to fully understand and identify the functional relevant genes. To this end, we constructed a co-expression analysis of 92 tissues and this represents the systematic exploration of gene-gene relationship in Bos taurus. By using robust WGCNA (Weighted Gene Correlation Network Analysis), we described the gene co-expression network of 5,000 protein-coding genes with majority variations in expression across 92 tissues. Further module identifications found 55 highly organized functional clusters representing diverse cellular activities. To demonstrate the re-use of our interaction for functional genomics analysis, we extracted a sub-network associated with DNA binding genes in Bos taurus. The subnetwork was enriched within regulation of transcription from RNA polymerase II promoter representing central cellular functions. In addition, we identified 28 novel linker genes associated with more than 100 DNA binding genes. Our WGCNA-based co-expression network reconstruction will be a valuable resource for exploring the molecular mechanisms of incompletely characterized proteins and for elucidating larger-scale patterns of functional modulization in the Bos taurus genome. PMID- 29226035 TI - Molecular evolution of virulence genes and non-virulence genes in clinical, natural and artificial environmental Legionella pneumophila isolates. AB - Background: L. pneumophila is the main causative agent of Legionnaires' disease. Free-living amoeba in natural aquatic environments is the reservoir and shelter for L. pneumophila. From natural water sources, L. pneumophila can colonize artificial environments such as cooling towers and hot-water systems, and then spread in aerosols, infecting the susceptible person. Therefore, molecular phylogeny and genetic variability of L. pneumophila from different sources (natural water, artificial water, and human lung tissue) might be distinct because of the selection pressure in different environments. Several studies researched genetic differences between L. pneumophila clinical isolates and environmental isolates at the nucleotide sequence level. These reports mainly focused on the analysis of virulence genes, and rarely distinguished artificial and natural isolates. Methods: We have used 139 L. pneumophila isolates to study their genetic variability and molecular phylogeny. These isolates include 51 artificial isolates, 59 natural isolates, and 29 clinical isolates. The nucleotide sequences of two representative non-virulence (NV) genes (trpA, cca) and three representative virulence genes (icmK, lspE, lssD) were obtained using PCR and DNA sequencing and were analyzed. Results: Levels of genetic variability including haplotypes, haplotype diversity, nucleotide diversity, nucleotide difference and the total number of mutations in the virulence loci were higher in the natural isolates. In contrast, levels of genetic variability including polymorphic sites, theta from polymorphic sites and the total number of mutations in the NV loci were higher in clinical isolates. A phylogenetic analysis of each individual gene tree showed three to six main groups, but not comprising the same L. pneumophila isolates. We detected recombination events in every virulence loci of natural isolates, but only detected them in the cca locus of clinical isolates. Neutrality tests showed that variations in the virulence genes of clinical and environmental isolates were under neutral evolution. TrpA and cca loci of clinical isolates showed significantly negative values of Tajima's D, Fu and Li's D* and F*, suggesting the presence of negative selection in NV genes of clinical isolates. Discussion: Our findingsreinforced the point that the natural environments were the primary training place for L. pneumophila virulence, and intragenic recombination was an important strategy in the adaptive evolution of virulence gene. Our study also suggested the selection pressure had unevenly affected these genes and contributed to the different evolutionary patterns existed between NV genes and virulence genes. This work provides clues for future work on population-level and genetics-level questions about ecology and molecular evolution of L. pneumophila, as well as genetic differences of NV genes and virulence genes between this host-range pathogen with different lifestyles. PMID- 29226036 TI - Heat-Treated Stainless Steel Felt as a New Cathode Material in a Methane Producing Bioelectrochemical System. AB - Methane-producing bioelectrochemical systems (BESs) are a promising technology to convert renewable surplus electricity into the form of storable methane. One of the key challenges for this technology is the search for suitable cathode materials with improved biocompatibility and low cost. Here, we study heat treated stainless steel felt (HSSF) for its performance as biocathode. The HSSF had superior electrocatalytic properties for hydrogen evolution compared to untreated stainless steel felt (SSF) and graphite felt (GF), leading to a faster start-up of the biocathodes. At cathode potentials of -1.3 and -1.1 V, the methane production rates for HSSF biocathodes were higher than the SSF, while its performance was similar to GF biocathodes at -1.1 V and lower than GF at -1.3 V. The HSSF biocathodes had a current-to-methane efficiency of 60.8% and energy efficiency of 21.9% at -1.3 V. HSSF is an alternative cathode material with similar performance compared to graphite felt, suited for application in methane producing BESs. PMID- 29226037 TI - Parental acculturation level moderates outcome in peer-involved and parent involved CBT for anxiety disorders in Latino youth. AB - Cognitive behavioral therapies (CBTs) are efficacious treatments for anxiety disorders in Latino youth. However, there is a gap in knowledge about moderators of CBT outcomes in Latino youth. This study addresses this gap by examining parental acculturation as a moderator of youth anxiety outcomes in a randomized controlled trial of parent-involved CBT (CBT/P) and peer-involved group CBT (GCBT) in 139 Latino youth (ages 6 to 16 years; mean age = 9.68 years). Comparable youth anxiety reduction effects were found for CBT/P and GCBT. Parental acculturation to majority US culture, but not identification with country of origin, significantly moderated youth anxiety outcomes: at low levels of parental acculturation to majority US culture, youth posttreatment anxiety scores were lower in GCBT than CBT/P; at high levels of parental acculturation to majority US culture, youth posttreatment anxiety scores were lower in CBT/P than GCBT. These findings provide further evidence for the efficacy of CBTs for anxiety disorders in Latino youth and also provide guidance for moving toward personalization of CBTs' selection depending on parental acculturation levels. PMID- 29226038 TI - Pencil Beam Scanning Proton Therapy for Rhabdomyosarcoma of the Biliary Tract. AB - Rhabdomyosarcoma (RMS) is the most common soft tissue sarcoma of childhood with 250-350 cases diagnosed annually in the United States. Biliary tract rhabdomyosarcoma is rare, representing <1% of the RMS cases. Due to its location, resection is clinically challenging, and functional complications exist and persist from biliary obstruction. The anatomical location of this tumor presents both opportunities and challenges for pencil beam scanning proton therapy. Proton therapy offers a dosimetric and clinical advantage by sparing the healthy liver, stomach, contra-lateral kidney and bowel. Motion management and anatomical variations, such as intestinal filling or weight loss, requiring routine dosimetric evaluation and possible adaptive treatment planning, present challenges for the use of proton therapy. By taking advantage of the superior dose distribution of proton radiation, assessing the impact of tumor and anatomy motion, and performing regular dose evaluations, biliary tract RMS is an ideal diagnosis for pencil beam scanning proton therapy. PMID- 29226039 TI - An Inner City Emergency Medicine Rotation Does Not Improve Attitudes toward the Homeless among Junior Medical Learners. AB - Introduction Learners in the emergency department (ED) frequently encounter individuals who are homeless. We sought to evaluate the effect of an inner city emergency medicine rotation at the Royal Alexandra Hospital (RAH) on the attitudes of medical students and residents towards this population. Methods Data were collected both pre- and post-rotation using an electronic survey. Data collected included demographic information and as well as scores on the Health Professionals' Attitudes Towards the Homeless Inventory (HPATHI). Pre- and post survey results were compared using Wilcoxon tests. Results Ninety-eight students completed the rotation. A total of 40 (41%) students completed both pre- and post surveys. Demographic information was available for 66 respondents. Most participants were male (42 {64%}), single (47 {71%}), and 30 years of age or younger (59 {89%}). Most participants were of a Caucasian or East/South Asian background (61 {92%}) and grew up in an urban setting (51 {77%}). Overall, 43 (90%) participants saw at least one person who was homeless during their rotation. There was no significant difference between pre- and post-aggregate scores (z = -0.78, p = 0.44), or any of its three subscales (Personal Advocacy, Social Advocacy, and Cynicism). Conclusion First year residents and medical students are frequently exposed to patients who are homeless during an inner city ED rotation. Attitudes towards these patients did not significantly change following the rotation. Educational objectives should be set to improve attitudes of learners towards those with unstable housing throughout the ED rotation. PMID- 29226040 TI - Creutzfeldt Cell Rich Glioblastoma: A Diagnostic Dilemma. AB - Differentiating demyelinating conditions from neoplastic conditions can pose a significant challenge. There are a number of reports in the literature of large ring-enhancing, space-occupying lesions that were initially considered neoplastic or infectious but, on further review, were deemed demyelinating. Creutzfeldt Peters cells (CPC) are reactive astrocytes with fragmented nuclear inclusions that are routinely seen in multiple sclerosis (MS) and generally exclude the diagnosis of glioblastoma (GB). The patient is a 78-year-old man with a history of prostate cancer, which was treated with radiation therapy, who presented with altered mental status. A magnetic resonance imaging (MRI) scan of the brain revealed a 4.6 x 3.1 cm mass lesion in the right posterior temporal lobe with minimal mass effect and heterogeneous contrast enhancement. The patient underwent an open biopsy of the mass, which on histology was rich with Creutzfeldt-Peters cells. Frozen histology was unclear and full resection of the mass was delayed. A molecular and immunohistochemical analysis confirmed glioblastoma. The patient returned four weeks later for a subtotal resection of the tumor. The case presented demonstrates an example of a challenging diagnosis. Differentiating between demyelinating and neoplastic conditions is critical since the management and prognosis differ greatly. More importantly, we present a case of glioblastoma rich with Creutzfeldt-Peters cells, which has previously not been reported in the literature. PMID- 29226041 TI - Dapagliflozin: Cardiovascular Safety and Benefits in Type 2 Diabetes Mellitus. AB - Sodium-glucose co-transporter 2 inhibitors (SGLT2is) such as dapagliflozin, canagliflozin, and empagliflozin, are a promising new therapy in the treatment of type 2 diabetes mellitus (T2DM). SGLT2is can effectively reduce hyperglycemia thus improving glycemic control and they offer some beneficial effects on the cardiovascular (CV) system which can benefit patients with heart failure in addition toT2DM. The United States Food and Drug Administration requires new diabetes mellitus therapies to show a CV safety profile. Empagliflozin was the first SGLT2i that, when added to the standard of care for patients withT2DM at high risk for CV events, showed improved CV outcomes including reduced deaths from CV causes. Evidence also exists in favor of dapagliflozin for use in patients with T2DM with CV risk factors and heart failure. This review focuses on the effects, safety, and benefits of dapagliflozin on the CV system. Clinical trials have shown that dapagliflozin improves glycemic control without variation. It is safe and well-tolerated in the general population including older patients and those with high-risk CV factors or preexisting CV disease. There may be a renal protective role by an unknown mechanism. Dapagliflozin also lowers blood pressure due to its natriuresis effect. It improves levels of visceral fat and reduces body weight, and thus ameliorates metabolic syndrome. Dapagliflozin reduces oxidative stress and may delay atherosclerosis. Recent findings indicate SGLT2is may also reduce the atrial natriuretic peptide levels. Additional trials are required to validate these benefits and further evaluate if these are class effects. Trials such as DECLARE-TIMI58 are ongoing to evaluate the CV outcomes of dapagliflozin. More research is needed to design better antihyperglycemic regimes with clinical benefits in addition to good glycemic control. PMID- 29226042 TI - Direct Insertion of the Papillary Muscle into the Anterior Mitral Leaflet: Cadaveric Findings. AB - Direct insertion of the anterior papillary muscle (DPM) into the mitral valve is uncommon. During the routine dissection of an adult female, a DPM into the mitral valve with abnormal chordae tendinae was observed. This abnormal papillary muscle was measured as 28.0 mm in length from myocardial to insertion, 14.8 mm in width, and 7.0 mm in depth. The embryology, symptoms, associated cardiac diseases, and surgical precautions of this congenital malformation in the heart are reviewed. PMID- 29226043 TI - Applications of Whole Brain Tractography and Implications for Clinical Practice. AB - The complicated nature of neurological diseases-and the importance of accurate diagnosis and treatment for patient quality of life-have made the need for more advanced imaging techniques more urgent than ever. Automated whole brain tractography promises to increase the knowledge that neurologists have of a variety of disease processes, including schizophrenia, age-related changes to white matter, brain tumors, and epilepsy. PMID- 29226044 TI - Neuroanatomy and Neuropsychology of Pain. AB - We have reviewed here the neuroanatomical and neuropsychological literature of the human brain and have proposed the various pain mechanisms that we currently know of. Essentially when tissue is damaged, peripheral nociceptors are activated continuously and prostanoids are hence produced. Nonsteroidal anti-inflammatory drugs (NSAIDs) and medications aim to target these prostanoids to treat the inflammatory component of pain. Normal pain tends to have a protective response. It is important for the nervous system to learn and recognize this painful stimulus earlier and quicker with repeated exposure to avoid tissue damage. This neuronal plasticity and gain in sensitivity result in sensitization of the nervous system, both centrally and peripherally and help in earlier detection of the pain sensation. However, persistent pain can become pathologic and will eventually result in the loss of protection pain offers to the body. Pain-related fear has been implicated in the transition from acute to chronic low back pain and the persistence of disabling low back pain, making it a key target for physiotherapy intervention. The current understanding of pain-related fear is that it is a psychopathological problem where people who catastrophise about the meaning of pain become trapped in a vicious cycle of avoidance behaviour, pain and disability, as recognised in the fear-avoidance model. We looked at how pain is perceived, especially in low-back pain patients. It has been hypothesized that individuals with low-back pain (LBP) can change their motor behavior, which is fundamentally an adaptation mechanism aimed at minimizing the real or perceived risk of further pain. PMID- 29226045 TI - Neuroendocrine Tumor of the Cystic Duct: A Rare and Incidental Diagnosis. AB - Neuroendocrine tumors (NETs), also known as carcinoid tumors of the extrahepatic biliary tree, are extremely rare malignancies and account for 0.2% to 2% of all carcinoids of the gastrointestinal tract. The most common sites include NET in the common bile duct (CBD), followed by the perihilar region, cystic duct, and common hepatic duct (CHD). A review of the literature showed only eight cases of NETs of the cystic duct and we, hereby, present the ninth case of NET of the cystic duct in a 50-year-old woman. This was discovered incidentally after she underwent a laparoscopic cholecystectomy for her symptomatic gallbladder stones. The etiology is not known but the NETs are thought to arise from argentaffin cells (Kulchitsky cells) in the gastrointestinal tract or respiratory tract. It is possible that the rarity of these in this region may be explained by the very limited number of Kulchitsky cells there. Most of the patients are clinically asymptomatic, and the diagnosis is mostly made during surgery performed for other indications. Therefore, early recognition should be sought by differentiating the primary duct carcinoma of the bile or the cystic duct, if suspected or shown on the imaging studies because of the different therapeutic options and prognosis. PMID- 29226046 TI - The Economic Impacts of Chronic Illness on Households of Patients in Ile-Ife, South-Western Nigeria. AB - Introduction Chronic illnesses are slowly becoming more prevalent worldwide. The implications and ramifications of these illnesses vary and affect not only the patient but the entire household in many ways. This research focuses on the economic implications of this category of illnesses on the entire household. The aim is to determine the economic implications of chronic illnesses on households of patients in selected health facilities in Ile-Ife, Nigeria, and to elucidate the various coping strategies applied by households in low and middle income countries (LMICs) to keep up with these economic implications. Methods This study features a descriptive cross-sectional survey design with a total sample of 443. The target population consists of individuals with chronic diseases in selected health care facilities in Ile-Ife. Results The mean household monthly incomes before and after illness episodes were found to be $335.84 and $318.01, respectively. The mean direct cost of chronic illness was $137.72 with about 79% (n=350) of the respondents spending more than 10% of the monthly household income on health. The indirect costs of illness were a loss of productivity of 18.9% and 5.1% for patients and caregivers, respectively. A large percentage of the respondents resorted to borrowing (44.7%; n=198), while another 5.0% (n=22) sold assets, and 8.6% (n=38) had access to health insurance in order to cope with the economic impacts of the illness. Conclusion The study showed that chronic illnesses imposed high and catastrophic cost burdens on patients and their households. The lack of effective coping strategies points at the need for policymakers to improve access to specialized care and increase coverage of formal health insurance so as to ameliorate the significant economic impacts that chronic illnesses have on entire households. PMID- 29226048 TI - Retroperitoneal Pseudoaneurysm Mimicking Ureteral Calculus: Pitfalls in Diagnosis. AB - Arterial aneurysms (AA) can be classified as true aneurysms, characterized by the persistence of all three layers of the arterial wall with progressive dilation and wall thinning; arterial pseudoaneurysms (APAs) are characterized by a tear in the vessel wall and a periarterial hematoma formation. They could occur due to a visceral, retroperitoneal, or peripheral origin. Most AA/APA are usually found incidentally, and it is imperative to be vigilant in order to diagnose and manage them due to their potentially life-threatening complications. We present a case of a 35-year-old woman presenting with right-sided abdominal pain mimicking renal colic with an initial misdiagnosis of ureteral calculus. Post-cystoscopy, a misdiagnosis was confirmed, and subsequently, the patient had a right retroperitoneal mass excision. The histopathology report concluded the calcified retroperitoneal mass to be pseudoaneurysm. Such pitfalls in diagnosis are essential to be shared with the larger medical community for increased vigilance and optimal management of pseudoaneurysms. PMID- 29226047 TI - A Preliminary Investigation of General and Technique-specific Assessments for the Evaluation of Laparoscopic Technical Skills. AB - Background Both general and technique-specific assessments of technical skill have been validated in surgical education. The purpose of this study was to assess the correlation between the objective structured assessment of technical skills (OSATS) and the global operative assessment of laparoscopic skills (GOALS) rating scales using a high-fidelity porcine laparoscopic cholecystectomy model. Methods Post-graduate year-one general surgery and urology residents (n=14) performed a live laparoscopic porcine cholecystectomy. Trained surgeons rated their performance using OSATS and GOALS assessment scales. Results Pearson's correlation coefficient between OSATS and GOALS was 0.96 for overall scores. It ranged from 0.78 - 0.89 for domains that overlapped between the two scales. Conclusion There is a very high correlation between OSATS and GOALS. This implies that they likely measure similar constructs and that either may be used for summative-type assessments of trainee skill. However, further investigation is needed to determine if technique-specific assessments may provide more useful feedback in formative evaluation. PMID- 29226049 TI - Unresectable Undifferentiated Embryonal Sarcoma of the Liver in an Adult Male Treated with Chemotherapy and Orthotopic Liver Transplantation. AB - Undifferentiated embryonal sarcoma of the liver (UESL) is a malignancy of mesenchymal origin observed predominantly in the pediatric population and very rarely in adults. We describe the case of a 21-year-old male who presented with acute onset of right upper quadrant pain and distention. Physical examination of the patient revealed right upper quadrant tenderness with the lower border of the liver palpable, 4 cm below the right costal margin. Laboratory tests performed on admission showed that the patient's liver function tests, urinalysis, complete blood count, and basic metabolic panel were within reference range. The levels of viral hepatitis and tumor serum markers were all within normal limits except for an elevated level of cancer antigen (CA) 19-9. Magnetic resonance imaging (MRI) and a computerized tomography (CT) scan showed two well-circumscribed lesions in the right lobe. The biopsy of the lesion showed UESL. The patient was started on chemotherapy. On his fifth cycle of chemotherapy, the patient was offered orthotopic liver transplantation (OLT). The patient underwent a successful OLT. There were no postoperative complications. Increased survival time and prevention of the recurrence of USEL can be achieved by surgical resection of the tumor combined with adjuvant and neoadjuvant chemotherapy. For unresectable tumors, OLT with chemotherapy can be a potential cure in younger patients. PMID- 29226050 TI - Determinants of Computed Tomography Head Scan Ordering for Patients with Low-Risk Headache in the Emergency Department. AB - Background Many specialty societies have found that neuroimaging in headache is a low-value intervention for benign presentations. This study describes factors that influence Emergency Room (ER) physicians' adherence to Choosing Wisely (CW) recommendations for low-risk headache patients presenting to Calgary's Emergency Departments (EDs). Emergency medicine has yet to address imaging in headache as a CW topic; however, this study may inform that decision. Methods Data were retrospectively collected for all patients presenting to Calgary EDs with headaches from April 1, 2014 to March 31, 2016. Patients were deemed low-risk by virtue of discharge home from the ED, age < 50, and no lumbar puncture (LP), trauma, neurology, or neurosurgery consult or red flags on history. The primary outcome was computed tomography (CT) ordering rates with an eye to medical doctor (MD) practice variation. Patient, physician, and environmental factors were analyzed to compare patients who did and did not receive a CT. Results Two thousand seven hundred and thirty-four headache patients met the eligibility criteria. A total of 117 Calgary ER physicians were included, all of whom had seen 10 or more headache patients over the study period. Physician practice variation was vast, with a mean ordering rate of 38.0% and a range of 0% to 95% (M = 39.0%, IQR = 21.0%). CTs were ordered more often in males than females (39.9%; 34.1%; p = 0.002) and in patients presenting during the day and evening (38.1%; 39.0%) compared to the night (29.7%; p < 0.001). Patients were divided into quartiles by age, with the oldest group (41.6 - 50 years) receiving significantly more head CTs (45.1%) than the other quartiles (34.9%; 34.9%; 27.5%; p < 0.001). Longer triage-to-discharge times were associated with an increase in CT ordering rates (12% for < 2.95 hours; 35% for > 4 hour wait; p < 0.001). Lastly, patients who did not have a CT were more likely to revisit the ED within seven days compared to those who did (6.9% vs 4.0%; p = 0.003), but their seven-day admission rate was unaffected (0.6% in the group that got CTs and 0.3% in the group that did not get a CT). Time to assessment, the day of the week, physician gender, years of experience, and training program did not influence CT ordering practices. Conclusion To our knowledge, this is the first study to assess how patient, physician, and environmental factors relate to the use of CT scans in low-risk headaches presenting to the ED. CW guidelines are not optimally adhered to, and the findings in this study findings may inspire new ideas for maximizing the judicious use of healthcare resources. PMID- 29226051 TI - Cadaveric Study for Intraoral Needle Access to the Infratemporal Fossa: Application to Posterior Superior Alveolar Nerve Block Technique. AB - The posterior superior alveolar (PSA) nerve block is, from an anatomical perspective, challenging because the mandibular ramus and the zygomatic process of the maxilla can interfere with the course of the needle. Dentists empirically know that shifting the patient's mandible to the ipsilateral side can improve visibility and accessibility for such blocks. This cadaveric study aimed to establish anatomical evidence for the ipsilateral mandible shifting used in the PSA. The distance between the lateral most bulging point of the alveolar part of the maxilla and ipsilateral anterior border of the ramus of the mandible ranged from 1.4 to 6.9 mm with a mean of 4.3 +/- 1.6 mm. This result supports the empirical technique of shifting the mandible ipsilaterally for PSA nerve block. PMID- 29226052 TI - Developing a Continuous Quality Improvement Assessment Using a Patient-Centered Approach in Optimizing Systemic Lupus Erythematosus Disease Control. AB - Systemic lupus erythematosus (SLE) is a multi-organ, autoimmune disease in which patients lose self-tolerance and develop immune complexes which deposit systemically causing multi-organ damage and inflammation. Patients often experience unpredictable flares of symptoms with poorly identified triggers. Literature suggests exogenous exposures may contribute to flares in symptoms. An online pilot survey was marketed globally through social media to self-reported SLE patients with the goal to identify specific subpopulations who are susceptible to disease state changes based on analyzed exogenous factors. The pilot survey was promoted for two weeks, 80 respondents fully completed the survey and were included in statistical analysis. Descriptive statistical analysis was performed on de-identified patient surveys and compared to previous literature studies reporting known or theorized triggers in the SLE disease state. The pilot survey identified similar exogenous triggers compared to previous literature, including antibiotics, increasing beef intake, and metal implants. The goal of the pilot survey is to utilize similar questions to develop a detailed internet-based patient interactive form that can be edited and time stamped as a method to promote continuous quality improvement assessments. The ultimate objective of the platform is to interact with SLE patients from across the globe longitudinally to optimize disease control and improve quality of care by allowing them to avoid harmful triggers. PMID- 29226053 TI - Compression Stockings and Pressure Ulcers: Case Series of a Neglected Issue. AB - Pressure ulcers develop in patients who endure long periods of immobilization, often caused by conditions such as musculoskeletal and neurological diseases. Pressure ulcers adversely affect the patient and increase caregiver burden and healthcare costs. Typical sites for these ulcers include the sacrum, trochanters, and heels; they also occur on the nape of the neck, penis, nostrils, helix of the ear, and upper back. Compression stockings are commonly used to prevent and stop the progression of venous disorders, including deep vein thrombosis, but their role in the development of pressure ulcers is not well known. We describe three case reports of pressure ulcer development due to prolonged application of compression stockings. In each case, the nursing staff who were primarily responsible for the prevention of pressure ulcers applied the stockings continuously without any intermittent relief. Moreover, the stockings did not include manufacturer instructions, such as recommended exposure times and applications. We recommend that nursing staff be trained in pressure relief and prevention of pressure ulcers, including rare occurrences, and that manufacturers give detailed guidance regarding the safe use of compression stockings. PMID- 29226054 TI - Reversible Broad-Spectrum Control of Selective Reflections of Chiral Nematic Phases by Closed-/Open-Type Axially Chiral Azo Dopants. AB - Invited for this month's cover picture is the groups of Professor Hirotsugu Kikuchi and Dr. Yasushi Okumura at the Institute for Materials Chemistry and Engineering at Kyushu University (Japan). External dynamic control of molecular self-organized superstructures with unique features has been researched, as these structures are applicable to chiral molecular devices. The cover picture shows photocontrol of selective reflection color that originated from the self organized helical structure of chiral nematic liquid crystals (N*LCs) using closed-/open-type dopants. The drastic structure changes of the dopants by light stimuli enable reversible broad-spectrum control of selective reflections of N*LCs with opposite helical sign. Read the full text of the Full Paper at 10.1002/open.201700121. PMID- 29226055 TI - Fluorescence Sensing with Cellulose-Based Materials. AB - Cellulose-based materials functionalized with fluorescence sensors are highly topical and are employed in many areas of functional materials, including the sensing of heavy-metal ions and anions as well as being widely used as chemical sensors and tools for environmental applications. In this Review, we cover recent progress in the development of cellulose-based fluorescence sensors as parts of membranes and nanoscale materials for the detection of biological analytes. We believe that this Review will be of interest to chemists, chemical engineers, and biochemists in the sensor community as well as researchers working with biological material systems. PMID- 29226056 TI - beta-Deuterium Isotope Effects on Firefly Luciferase Bioluminescence. AB - A 5,5-d2 -luciferin was prepared to measure isotope effects on reactions of two intermediates in firefly bioluminescence: emission by oxyluciferin and elimination of a putative luciferyl adenylate hydroperoxide to dehydroluciferin. A negligible isotope effect on bioluminescence provides further support for the belief that the emitting species is the keto-phenolate of oxyluciferin and rules out its excited-state tautomerization, one potential contribution to a bioluminescence quantum yield less than unity. A small isotope effect on dehydroluciferin formation supports a single-electron-transfer mechanism for reaction of the luciferyl adenylate enolate with oxygen to form the hydroperoxide or dehydroluciferin. Partitioning between the dioxetanone intermediate (en route to oxyluciferin) and dehydroluciferin is determined, not by the fate of the hydroperoxide, but by that of the radical formed from luciferyl adenylate, and the kinetic isotope effect (KIE) reflects H-atom abstraction by superoxide. PMID- 29226057 TI - Photocatalytic Overall Water Splitting over MIL-125(Ti) upon CoPi and Pt Co catalyst Deposition. AB - Photocatalytic overall water splitting is realized by taking advantage of the semiconductive and porous properties of MIL-125(Ti). CoPi and Pt are deposited into MIL-125(Ti) in two steps. The co-catalysts CoPi and Pt not only act as reactive sites for oxygen and hydrogen evolution, respectively, but also improve the photogenerated charge separation efficiency. The above conclusions are supported by the photoelectrical and photophysical results. PMID- 29226058 TI - Towards Fingermark Dating: A Raman Spectroscopy Proof-of-Concept Study. AB - Fingermarks have, for a long time, been vital in the forensic community for the identification of individuals, and a possibility to non-destructively date the fingermarks would of course be beneficial. Raman spectroscopy is, herein, evaluated for the purpose of estimating the age of fingermarks deposits. Well resolved spectra were non-destructively acquired to reveal spectral uniqueness, resembling those of epidermis, and several molecular markers were identified that showed different decay kinetics: carotenoids > squalene > unsaturated fatty acids > proteins. The degradation rates were accelerated, less pronounced for proteins, when samples were stored under ambient light conditions, likely owing to photo oxidation. It is hypothesized that fibrous proteins are present and that oxidation of amino acid side chains can be observed both through Raman and fluorescence spectroscopy. Clearly, Raman spectroscopy is a useful technique to non-destructively study the aging processes of fingermarks. PMID- 29226059 TI - Reversible Broad-Spectrum Control of Selective Reflections of Chiral Nematic Phases by Closed-/Open-Type Axially Chiral Azo Dopants. AB - We demonstrate reversible RGB-color photocontrol of a chiral nematic liquid crystal (N*LC) by using newly synthesized closed- and open-type chiral dopants. The photoswitching elements in the dopants are azobenzene units on axially chiral binaphthyl cores. Owing to cis-trans photoisomerization of the azobenzene units, both closed- and open-type compounds showed higher solubility, larger helical twisting power (HTP), and larger changes in HTP than conventional chiral dopants in host LCs. Thus, even at very low dopant concentrations, we successfully controlled the chirality of the induced helical structure of the N*LCs. Consequently, the N*LCs reflected right- and left-handed circularly polarized light (CPL) under a light stimulus. In the N*LCs with closed-type chiral dopants, the RGB-color reflection was reversibly controlled within several seconds. Interestingly, the open-type chiral dopant reversibly inverted CPL with opposite handedness in the near and short-wave IR regions. These novel materials are expected to realize new applications and perspectives in color information and similar technologies. PMID- 29226060 TI - Stable Europium(III) Complexes with Short Linkers for Site-Specific Labeling of Biomolecules. AB - In this study, two new terpyridine-based EuIII complexes were synthesized, the structures of which were optimized for luminescence resonance energy-transfer (LRET) experiments. The complexes showed high quantum yields (32 %); a single long lifetime (1.25 ms), which was not influenced by coupling to protein; very high stability in the presence of chelators such as ethylenediamine-N,N,N',N' tetraacetate and ethylene glycol-bis(2-aminoethylether)-N,N,N',N'-tetraacetic acid; and no interaction with cofactors such as adenosine triphosphate and guanosine triphosphate. A special feature is the short length of the linker between the EuIII ion and the maleimide or hydrazide function, which allows for site-specific coupling of cysteine mutants or unnatural keto amino acids. As a consequence, the new complexes appear particularly suited for accurate distance measurements in biomolecules by LRET. PMID- 29226061 TI - Shaping Polyyne Rods by Using an Electric Field. AB - When a homogenous electric field is applied to polyynes (C10 and C20) perpendicular to their long axis, they bend to form an arch. The height of the arch is proportional to the intensity of the electric field. The direction of the bend and its magnitude depend on the electronic nature (donor/acceptor) of the substituents at the termini of the polyyne. The driving force for the formation of the arch is the dipole moment produced in the system parallel to the electric field. This dipole moment stems from the substituents and from additional polarization by the field. The bend of the linear polyyne fits a parabolic distortion. According to mechanical engineering analysis, this results from a moment that operates at the two end zones of the polyynes, in accordance with the natural bond order (NBO) charge distribution. It is shown that solutions relevant to beam deflection due to a central load or a uniformly distributed load are not satisfactory. Various parameters, such as the dipole moment and the height of the arch, are better correlated with sigma than with sigma+ or sigma-. Application of the electric field to more complex systems enables the sculpting of interesting nanoshapes. PMID- 29226062 TI - Interactions of Protonated Guanidine and Guanidine Derivatives with Multiply Deprotonated RNA Probed by Electrospray Ionization and Collisionally Activated Dissociation. AB - Interactions of ribonucleic acid (RNA) with guanidine and guanidine derivatives are important features in RNA-protein and RNA-drug binding. Here we have investigated noncovalently bound complexes of an 8-nucleotide RNA and six different ligands, all of which have a guanidinium moiety, by using electrospray ionization (ESI) and collisionally activated dissociation (CAD) mass spectrometry (MS). The order of complex stability correlated almost linearly with the number of ligand atoms that can potentially be involved in hydrogen-bond or salt-bridge interactions with the RNA, but not with the proton affinity of the ligands. However, ligand dissociation of the complex ions in CAD was generally accompanied by proton transfer from ligand to RNA, which indicated conversion of salt-bridge into hydrogen-bond interactions. The relative stabilities and dissociation pathways of [RNA+m L-n H] n- complexes with different stoichiometries (m=1-5) and net charge (n= 2-5) revealed both specific and unspecific ligand binding to the RNA. PMID- 29226064 TI - An exploratory study of illegal gamblers in Hong Kong. AB - This study investigates the nature and behaviour of illegal gamblers in Hong Kong. A face-to-face street survey of 512 gamblers was conducted in Hong Kong between September and December 2015 with supplementary convenience sampling allowing for analysis of a total sample of 103 illegal gamblers. 56% of illegal gamblers recorded results consistent with this study's definition of 'excessive gambling' [i.e. moderate risk and problem gamblers under the Problem Gambling Severity Index (PGSI)]. 81% of surveyed illegal gamblers were male, 77% were aged between 30 and 49 and 67% were in blue collar occupations. Illegal gamblers bet more frequently on both legal and illegal games than their legal counterparts and spent more when they did bet. While this research did not indicate the direction of causality between illegal and excessive gambling, international work (de Bruin et al. in verslingerd aan meer dan een spel: Een onderzoek naar de aard en omvang van kansspelproblematiek in Nederland, WODC/CVO, Utrecht, http://www.lexandgaming.eu/nl/wp-content/uploads/2015/01/Verslingerd-aan-meer-dan een-spel.pdf, 2005; Binde in What are the most harmful forms of gambling? Analysing problem gambling prevalence surveys, http://www.utbildning.gu.se/digitalAssets/1327/1327132_cefos-wp12.pdf, 2011) suggests that excessive gamblers are drawn to illegal gambling. Reform could allow excessive gambling by illegal gamblers to be better addressed and initial work suggests some financial benefits to Hong Kong. PMID- 29226063 TI - Advances in antimicrobial photodynamic inactivation at the nanoscale. AB - The alarming worldwide increase in antibiotic resistance amongst microbial pathogens necessitates a search for new antimicrobial techniques, which will not be affected by, or indeed cause resistance themselves. Light-mediated photoinactivation is one such technique that takes advantage of the whole spectrum of light to destroy a broad spectrum of pathogens. Many of these photoinactivation techniques rely on the participation of a diverse range of nanoparticles and nanostructures that have dimensions very similar to the wavelength of light. Photodynamic inactivation relies on the photochemical production of singlet oxygen from photosensitizing dyes (type II pathway) that can benefit remarkably from formulation in nanoparticle-based drug delivery vehicles. Fullerenes are a closed-cage carbon allotrope nanoparticle with a high absorption coefficient and triplet yield. Their photochemistry is highly dependent on microenvironment, and can be type II in organic solvents and type I (hydroxyl radicals) in a biological milieu. Titanium dioxide nanoparticles act as a large band-gap semiconductor that can carry out photo-induced electron transfer under ultraviolet A light and can also produce reactive oxygen species that kill microbial cells. We discuss some recent studies in which quite remarkable potentiation of microbial killing (up to six logs) can be obtained by the addition of simple inorganic salts such as the non-toxic sodium/potassium iodide, bromide, nitrite, and even the toxic sodium azide. Interesting mechanistic insights were obtained to explain this increased killing. PMID- 29226066 TI - Instrumental Variable Analyses in Pharmacoepidemiology: What Target Trials Do We Emulate? AB - Purpose of review: When leveraging observational data to estimate treatment effects, it is useful to explicitly specify the "target trial" the investigators aspire to emulate. One concern is whether a proposed analysis plan can address the realities of the differences between the available non-randomized observational study and the target trial. When large or unknown sources of unmeasured confounding are suspected, investigators might consider turning to instrumental variable (IV) methods. Of course, the interpretation and appropriateness of IV analyses need to be considered carefully. The purpose of this review is to summarize recent methodologic advancements in how epidemiologists weigh the validity of an IV analysis and to place these methodologic advancements in the context of the feasible target trial's protocol components. Recent findings: There have been increased development and application of tools for sensitivity analyses, falsification strategies, and the identification of previously overlooked problems with IV analyses as applied in pharmacoepidemiology. Many of these recent insights can be seen as articulating restrictions on or tradeoffs between the types of target trials that can be validly emulated when using a classical IV analysis. Summary: Putting classical IV methods in the context of target trials underscores the importance of recent methodologic developments and, more generally, when and how an IV analysis would be appropriate. We see that some tradeoffs in defining the target trials are unavoidable, that some tradeoffs may be offset or explored via sensitivity analyses, and that this serves as a framework for scientific discourse regarding IV and non-IV results emulating potentially different trials with different tradeoffs. PMID- 29226065 TI - Challenges and Opportunities in Studying the Epidemiology of Ovarian Cancer Subtypes. AB - Purpose of review: Only recently has it become clear that epithelial ovarian cancer (EOC) is comprised of such distinct histotypes--with different cells of origin, morphology, molecular features, epidemiologic factors, clinical features, and survival patterns-that they can be thought of as different diseases sharing an anatomical location. Herein, we review opportunities and challenges in studying EOC heterogeneity. Recent findings: The 2014 World Health Organization diagnostic guidelines incorporate accumulated evidence that high- and low-grade serous tumors have different underlying pathogenesis, and that, on the basis of shared molecular features, most high grade tumors, including some previously classified as endometrioid, are now considered to be high-grade serous. At the same time, several studies have reported that high-grade serous EOC, which is the most common histotype, is itself made up of reproducible subtypes discernable by gene expression patterns. Summary: These major advances in understanding set the stage for a new era of research on EOC risk and clinical outcomes with the potential to reduce morbidity and mortality. We highlight the need for multidisciplinary studies with pathology review using the current guidelines, further molecular characterization of the histotypes and subtypes, inclusion of women of diverse racial/ethnic and socioeconomic backgrounds, and updated epidemiologic and clinical data relevant to current generations of women at risk of EOC. PMID- 29226067 TI - Recent Developments in Mendelian Randomization Studies. AB - Purpose of Review: Mendelian randomization (MR) is a strategy for evaluating causality in observational epidemiological studies. MR exploits the fact that genotypes are not generally susceptible to reverse causation and confounding, due to their fixed nature and Mendel's First and Second Laws of Inheritance. MR has the potential to provide information on causality in many situations where randomized controlled trials are not possible, but the results of MR studies must be interpreted carefully to avoid drawing erroneous conclusions. Recent Findings: In this review, we outline the principles behind MR, as well as assumptions and limitations of the method. Extensions to the basic approach are discussed, including two-sample MR, bidirectional MR, two-step MR, multivariable MR, and factorial MR. We also consider some new applications and recent developments in the methodology, including its ability to inform drug development, automation of the method using tools such as MR-Base, and phenome-wide and hypothesis-free MR. Summary: In conjunction with the growing availability of large-scale genomic databases, higher level of automation and increased robustness of the methods, MR promises to be a valuable strategy to examine causality in complex biological/omics networks, inform drug development and prioritize intervention targets for disease prevention in the future. PMID- 29226068 TI - Human Brucellosis and Adverse Pregnancy Outcomes. AB - Purpose of Review: Brucellosis is a neglected, zoonotic disease of nearly worldwide distribution. Despite brucellosis being recognized as a reproductive disease in animals, it has been historically known as a flu-like illness in humans with little or no significant role in maternal or newborn health. This review focuses on what is currently known relative to the epidemiology of brucellosis in human pregnancy as well as new insights of placental immunology. Recent Findings: New evidence suggests that maternal infection poses a significant risk factor for adverse pregnancy outcomes including increased risk for miscarriage during the first and second trimester of gestation, preterm delivery, and vertical transmission to the fetus. Adverse pregnancy outcomes were not associated with any specific clinical sign. However, prompt diagnosis and treatment significantly decreased the risk of miscarriage or any other adverse effect. Summary: Brucellosis during pregnancy should be considered a significant risk factor for adverse pregnancy outcomes in humans. The identification of the mechanism behind bacterial tropism should prove powerful for the development of new countermeasures to prevent these detrimental effects. Increased awareness concerning brucellosis in pregnant women, its transmission, and prevention measures should be considered as a pressing need. PMID- 29226070 TI - Economic burden of community-acquired pneumonia among elderly patients: a Japanese perspective. AB - Background: This study aimed to estimate the economic burden of community acquired pneumonia (CAP) among elderly patients in Japan. In addition, the study evaluated the relationship between total treatment cost and CAP risk factors. Methods: An administrative database was searched for elderly patients (>= 65 years old) who had pneumonia (ICD-10 code: J12-J18) and an antibiotic prescription between 1 June 2014 and 31 May 2015. The all-cause total healthcare costs of outpatient and inpatient CAP episodes were calculated. Results: This study evaluated data from 29,619 patients with CAP who experienced 14,450 outpatient CAP episodes and/or 20,314 inpatient CAP episodes. The mean ages were 77.5 +/- 8.0 years and 81.5 +/- 8.2 years among the outpatient and inpatient groups, respectively. The median treatment costs were US$346 (interquartile range: $195-551) per outpatient episode and US$4851 (interquartile range: $3313 7669) per inpatient episode. More severe cases had increased treatment costs at the treating hospitals. Male sex, diabetes, chronic obstructive pulmonary disease, and liver dysfunction were associated with increased total treatment costs, while dementia, dialysis, and rheumatism were associated with high costs of treating a CAP episode. Conclusions: The economic burden of CAP might be decreased by reducing the number of hospitalizations for mild CAP and the incidence of severe CAP. Therefore, preventative care (e.g. oral hygiene or pneumococcus vaccination) is recommended for patients with related risk factors, such as male sex, older age, diabetes, chronic obstructive pulmonary disease, liver dysfunction, rheumatism, dementia, or dialysis. PMID- 29226069 TI - Do Older Adults Need Sleep? A Review of Neuroimaging, Sleep, and Aging Studies. AB - Purpose of Review: Sleep habits, sleep physiology, and sleep disorders change with increasing age. However, there is a longstanding debate regarding whether older adults need sleep to maintain health and daily functioning (reduced-sleep need view). An alternative possibility is that all older adults need sleep, but that many older adults have lost the ability to obtain restorative sleep (reduced sleep-ability view). Prior research using behavioral and polysomnography outcomes has not definitively disentangled the reduced-sleep-need and reduced-sleep ability views. Therefore, this review examines the neuroimaging literature to determine whether age-related changes in sleep cause-or are caused by-age-related changes in brain structure, function, and pathology. Recent Findings: In middle aged and older adults, poorer sleep quality, greater nighttime hypoxia, and shorter sleep duration related to cortical thinning in frontal regions implicated in slow wave generation, in frontoparietal networks implicated in cognitive control, and in hippocampal regions implicated in memory consolidation. Furthermore, poor sleep quality was associated with higher amyloid burden and decreased connectivity in the default mode network, a network that is disrupted in the pathway to Alzheimer's disease. Summary: All adults need sleep, but cortical thinning and amyloidal deposition with advancing age may weaken the brain's ability to produce restorative sleep. Therefore, sleep in older adults may not always support identical functions for physical, mental, and cognitive health as in young adults. PMID- 29226071 TI - Structural enzymology comparisons of multifunctional enzyme, type-1 (MFE1): the flexibility of its dehydrogenase part. AB - : Multifunctional enzyme, type-1 (MFE1) is a monomeric enzyme with a 2E-enoyl-CoA hydratase and a 3S-hydroxyacyl-CoA dehydrogenase (HAD) active site. Enzyme kinetic data of rat peroxisomal MFE1 show that the catalytic efficiencies for converting the short-chain substrate 2E-butenoyl-CoA into acetoacetyl-CoA are much lower when compared with those of the homologous monofunctional enzymes. The mode of binding of acetoacetyl-CoA (to the hydratase active site) and the very similar mode of binding of NAD + and NADH (to the HAD part) are described and compared with those of their monofunctional counterparts. Structural comparisons suggest that the conformational flexibility of the HAD and hydratase parts of MFE1 are correlated. The possible importance of the conformational flexibility of MFE1 for its biocatalytic properties is discussed. Database: Structural data are available in PDB database under the accession number 5MGB. PMID- 29226072 TI - A thermal gradient modulates the oxidative metabolism and growth of human keratinocytes. AB - During their spatial and differentiative progression, keratinocytes face a thermal gradient, from 37 degrees C in the proliferating basal layer to 32 degrees C found in skin surface. In our study, we hypothesized that this difference in temperature must be balanced by increasing the heat produced during respiratory activity. We demonstrated that at 33 degrees C human primary keratinocytes and HaCaT cells raised mitochondrial energy metabolism, but not glycolytic activity. At 33 degrees C, the increased mitochondrial ATP synthesis was associated with a strong induction of the modulator of the respiratory chain estrogen receptor beta, whereas uncoupling protein 1 expression was not changed. The enhanced mitochondrial oxidative metabolism was accompanied by a remarkable reduction in proliferation. These results suggest that environmental temperature can modulate the energy metabolism and proliferation of human keratinocytes. PMID- 29226073 TI - Cloning of canine Ku80 and its localization and accumulation at DNA damage sites. AB - Molecularly targeted therapies have high specificity and significant cancer killing effect. However, their antitumor effect might be greatly diminished by variation in even a single amino acid in the target site, as it occurs, for example, as a consequence of SNPs. Increasing evidence suggests that the DNA repair protein Ku80 is an attractive target molecule for the development of next generation radiosensitizers for human cancers. However, the localization, post translational modifications (PTMs), and complex formation of Ku80 have not been elucidated in canines. In this study, for the first time, we cloned, sequenced, and characterized canine Ku80 cDNA. Our data show that canine Ku80 localizes in the nuclei of interphase cells and is quickly recruited at laser-induced double strand break sites. Comparative analysis shows that canine Ku80 had only 82.3% amino acid identity with the homologous human protein, while the nuclear localization signal (NLS) in human and canine Ku80 is evolutionarily conserved. Notably, some predicted PTM sites, including one acetylation site and one sumoylation site within the NLS, are conserved in the two species. These findings suggest that the spatial and temporal regulation of Ku80 might be conserved in humans and canines. However, our data indicate that the expression of Ku80 is considerably lower in the canine cell lines examined than in human cell lines. These important findings might be useful to better understand the mechanism of the Ku80-dependent DNA repair and for the development of potential next generation radiosensitizers targeting common targets in human and canine cancers. PMID- 29226074 TI - Characterization of auxiliary iron-sulfur clusters in a radical S adenosylmethionine enzyme PqqE from Methylobacterium extorquens AM1. AB - PqqE is a radical S-adenosyl-l-methionine (SAM) enzyme that catalyzes the initial reaction of pyrroloquinoline quinone (PQQ) biosynthesis. PqqE belongs to the SPASM (subtilosin/PQQ/anaerobic sulfatase/mycofactocin maturating enzymes) subfamily of the radical SAM superfamily and contains multiple Fe-S clusters. To characterize the Fe-S clusters in PqqE from Methylobacterium extorquens AM1, Cys residues conserved in the N-terminal signature motif (CX 3 CX 2C) and the C terminal seven-cysteine motif (CX 9-15 GX 4 CX n CX 2 CX 5 CX 3 CX n C; n = an unspecified number) were individually or simultaneously mutated into Ser. Biochemical and Mossbauer spectral analyses of as-purified and reconstituted mutant enzymes confirmed the presence of three Fe-S clusters in PqqE: one [4Fe 4S]2+ cluster at the N-terminal region that is essential for the reductive homolytic cleavage of SAM into methionine and 5'-deoxyadenosyl radical, and one each [4Fe-4S]2+ and [2Fe-2S]2+ auxiliary clusters in the C-terminal SPASM domain, which are assumed to serve for electron transfer between the buried active site and the protein surface. The presence of [2Fe-2S]2+ cluster is a novel finding for radical SAM enzyme belonging to the SPASM subfamily. Moreover, we found uncommon ligation of the auxiliary [4Fe-4S]2+ cluster with sulfur atoms of three Cys residues and a carboxyl oxygen atom of a conserved Asp residue. PMID- 29226075 TI - Prediction of target genes for miR-140-5p in pulmonary arterial hypertension using bioinformatics methods. AB - The expression of microRNA (miR)-140-5p is known to be reduced in both pulmonary arterial hypertension (PAH) patients and monocrotaline-induced PAH models in rat. Identification of target genes for miR-140-5p with bioinformatics analysis may reveal new pathways and connections in PAH. This study aimed to explore downstream target genes and relevant signaling pathways regulated by miR-140-5p to provide theoretical evidences for further researches on role of miR-140-5p in PAH. Multiple downstream target genes and upstream transcription factors (TFs) of miR-140-5p were predicted in the analysis. Gene ontology (GO) enrichment analysis indicated that downstream target genes of miR-140-5p were enriched in many biological processes, such as biological regulation, signal transduction, response to chemical stimulus, stem cell proliferation, cell surface receptor signaling pathways. Kyoto Encyclopedia of Genes and Genome (KEGG) pathway analysis found that downstream target genes were mainly located in Notch, TGF beta, PI3K/Akt, and Hippo signaling pathway. According to TF-miRNA-mRNA network, the important downstream target genes of miR-140-5p were PPI, TGF-betaR1, smad4, JAG1, ADAM10, FGF9, PDGFRA, VEGFA, LAMC1, TLR4, and CREB. After thoroughly reviewing published literature, we found that 23 target genes and seven signaling pathways were truly inhibited by miR-140-5p in various tissues or cells; most of these verified targets were in accordance with our present prediction. Other predicted targets still need further verification in vivo and in vitro. PMID- 29226076 TI - Increasing the length and hydrophobicity of the C-terminal sequence of transthyretin strengthens its binding affinity to retinol binding protein. AB - Transthyretin (TTR) is a transporter for thyroid hormone (TH) and retinol, the latter via binding with retinol binding protein (RBP). Both the N-terminal and C terminal regions of the TTR subunit are located in close proximity to the central binding channel for ligands. During the evolution of vertebrates, these regions changed in length and hydropathy. The changes in the N-terminal sequence were demonstrated to affect the binding affinities for THs and RBP. Here, the effects of changes in the C-terminal sequence were determined. Three chimeric TTRs, namely pigC/huTTR (human TTR with the C-terminal sequence changed to that of Sus scrofa TTR), xenoN/pigC/huTTR (human TTR with the N-terminal and C-terminal sequences changed to those of Xenopus laevis and S. scrofa, respectively), and pigC/crocTTR (Crocodylus porosus TTR with the C-terminal sequence changed to that of S. scrofa TTR), were constructed and their binding affinities for human RBP were determined at low TTR/RBP molar ratio using chemiluminescence immunoblotting. The binding dissociation constant (Kd) values of pigC/huTTR, xenoN/pigC/huTTR and pigC/crocTTR were 3.20 +/- 0.35, 1.53 +/- 0.38 and 0.31 +/- 0.04 MUm, respectively, and the Kd values of human and C. porosus TTR were 4.92 +/- 0.68 and 1.42 +/- 0.45 MUm, respectively. These results demonstrate chimeric TTRs bound RBP with a higher strength than wild-type TTRs, and the changes in the C-terminal sequence of TTR had a positive effect on its binding affinity for RBP. In addition, changes to the N-terminal and C-terminal sequences showed comparable effects on the binding affinity. PMID- 29226077 TI - Leptin-induced migration and angiogenesis in rheumatoid arthritis is mediated by reactive oxygen species. AB - Rheumatoid arthritis (RA) is a progressive autoimmune disease affecting the joints. In this study, we investigated the role of the pro-angiogenic factor leptin in regulating reactive oxygen species (ROS) to promote cell migration and angiogenesis in RA. We showed that leptin triggered RA fibroblast-like synoviocyte (FLS) migration by increased ROS expression. Additionally, leptin enhanced human umbilical vein endothelial cell (HUVEC) tube formation in a ROS/hypoxia-inducible factor-1alpha-dependent manner, accompanied by increased production of vascular endothelial growth factor and interleukin (IL)-6. We also revealed that antagonists of tumor necrosis factor, IL-6 and IL-1beta down regulated ROS production of RA FLS induced by leptin, which subsequently attenuated RA FLS migration and HUVEC tube formation. These findings demonstrated that leptin might play an important role in RA FLS migration and HUVEC angiogenesis. PMID- 29226078 TI - Identification and in silico structural analysis of Gallus gallus protein arginine methyltransferase 4 (PRMT4). AB - Protein arginine methyltransferase 4 (PRMT4) is an essential epigenetic regulator of fundamental and conserved processes during vertebrate development, such as pluripotency and differentiation. Surprisingly, PRMT4 homologs have been identified in nearly all vertebrate classes except the avian genome. This raises the possibility that in birds PRMT4 functions are taken over by other PRMT family members. Here, we reveal the existence of a bona fide PRMT4 homolog in the chicken, Gallus gallus. Using a biochemical approach, we initially purified a putative chicken PRMT4 protein and thus provided the first evidence for the presence of an endogenous PRMT4-specific enzymatic activity toward histone H3 arginine 17 (H3R17) in avian cells. We then isolated a G. gallus PRMT4 (ggPRMT4) transcript encompassing the complete open reading frame. Recombinant ggPRMT4 possesses intrinsic methyltransferase activity toward H3R17. CRISPR/Cas9-mediated deletion of ggPRMT4 demonstrated that the transcript identified here encodes avian PRMT4. Combining protein-protein docking and homology modeling based on published crystal structures of murine PRMT4, we found a strong structural similarity of the catalytic core domain between chicken and mammalian PRMT4. Strikingly, in silico structural comparison of the N-terminal Pleckstrin homology (PH) domain of avian and murine PRMT4 identified strictly conserved amino acids that are involved in an interaction interface toward the catalytic core domain, facilitating for the first time a prediction of the relative spatial arrangement of these two domains. Our novel findings are particularly exciting in light of the essential function of the PH domain in substrate recognition and methylation by PRMT4. PMID- 29226079 TI - Alteration of glucocorticoid receptors and exacerbation of inflammation during lytic cytomegalovirus infection in THP-1 cells. AB - Cytomegalovirus (CMV) infection is associated with glucocorticoid resistance in ulcerative colitis (UC) and may exacerbate the disease course. However, the underlying pathogenicity remains unclear. The aim of this study was to explore possible underlying mechanisms during CMV latency and lytic infection in the human mononuclear cell line THP-1. Latent and activated CMV infection cell models were established. We performed real-time PCR and western blotting to examine changes in glucocorticoid receptors (GRs) during CMV latency and activation. Pro inflammatory and anti-inflammatory cytokines were detected by ELISA. After UV inactivated CMV infection, GRs and cytokines were also examined. The expression of GRs was elevated in the reactivation group. An increased ratio of GR beta/alpha and phosphorylation of GRalpha in the CMV reactivation group may explain refractory response to steroids. During CMV lytic infection, pro inflammatory cytokines IL-6 and TNF-alpha increased remarkably and anti inflammatory cytokine IL-5 decreased, which may exacerbate UC. GR and cytokines were unchanged in the UV-inactivated CMV infection group. Changes in the number and function of GRs may account for glucocorticoid resistance in CMV reactivation. The imbalance of pro- and anti-inflammatory cytokines may be related to severe inflammation. PMID- 29226080 TI - FAD influx enhances neuronal differentiation of human neural stem cells by facilitating nuclear localization of LSD1. AB - Flavin adenine dinucleotide (FAD), synthesized from riboflavin, is redox cofactor in energy production and plays an important role in cell survival. More recently, riboflavin deficiency has been linked to developmental disorders, but its role in stem cell differentiation remains unclear. Here, we show that FAD treatment, using DMSO as a solvent, enabled an increase in the amount of intracellular FAD and promoted neuronal differentiation of human neural stem cells (NSCs) derived not only from fetal brain, but also from induced pluripotent stem cells. Depression of FAD-dependent histone demethylase, lysine-specific demethylase-1 (LSD1), prevented FAD-induced neuronal differentiation. Furthermore, FAD influx facilitated nuclear localization of LSD1 and its enzymatic activity. Together, these findings led us to propose that FAD contributes to proper neuronal production from NSCs in the human fetal brain during development. PMID- 29226081 TI - The SWEET gene family in Hevea brasiliensis - its evolution and expression compared with four other plant species. AB - SWEET proteins play an indispensable role as a sugar efflux transporter in plant development and stress responses. The SWEET genes have previously been characterized in several plants. Here, we present a comprehensive analysis of this gene family in the rubber tree, Hevea brasiliensis. There are 36 members of the SWEET gene family in this species, making it one of the largest families in plant genomes sequenced so far. Structure and phylogeny analyses of these genes in Hevea and in other species demonstrated broad evolutionary conservation. RNA seq analyses revealed that SWEET2, 16, and 17 might represent the main evolutionary direction of SWEET genes in plants. Our results in Hevea suggested the involvement of HbSWEET1a, 2e, 2f, and 3b in phloem loading, HbSWEET10a and 16b in laticifer sugar transport, and HbSWEET9a in nectary-specific sugar transport. Parallel studies of RNA-seq analyses extended to three other plant species (Manihot esculenta, Populus trichocarpa, and Arabidopsis thaliana) produced findings which implicated MeSWEET10a, 3a, and 15b in M. esculenta storage root development, and the involvement of PtSWEET16b and PtSWEET16d in P. trichocarpa xylem development. RT-qPCR results further revealed that HbSWEET10a, 16b, and 1a play important roles in phloem sugar transport. The results from this study provide a foundation not only for further investigation into the functionality of the SWEET gene family in Hevea, especially in its sugar transport for latex production, but also for related studies of this gene family in the plant kingdom. PMID- 29226082 TI - The novel mitochondria localization of influenza A virus NS1 visualized by FlAsH labeling. AB - The nonstructural protein 1 (NS1) of the influenza A virus (IAV) is a multifunctional protein that counteracts host cell antiviral responses and inhibits host cell pre-mRNA processing. NS1 contains two nuclear localization signals that facilitate NS1 shuttling between cytoplasm and nucleus. In this study, we initially observed the novel mitochondria localization of NS1 in a subset of transfected cells. We then further monitored the localization dynamics of the NS1 protein in live cells infected with IAV expressing NS1 with insertion of a tetracysteine-tag. The resulting mutant virus showed similar levels of infectivity and expression pattern of NS1 to those of wild-type IAV. Pulse labeling using a biarsenical compound (fluorescein arsenical hairpin binder) allowed us to visualize the dynamic subcellular distribution of NS1 real time. We detected NS1 in mitochondria at a very early infection time point [1.5 h postinfection (hpi)] and observed the formation of a granular structure pattern in the nucleus at 4 hpi. This is the first identification of the novel mitochondria localization of NS1. The possible role of NS1 at an early infection time point is discussed. PMID- 29226083 TI - Effects of O-methylated (-)-epigallocatechin gallate (EGCG) on LPS-induced osteoclastogenesis, bone resorption, and alveolar bone loss in mice. AB - (-)-Epigallocatechin-3-O-gallate (EGCG), present in green tea, exhibits antioxidant and antiallergy effects. EGCG3"Me, a 3-O-methylated derivative of EGCG, has been reported to show similar biological functions; the inhibitory activity of EGCG3"Me in a mouse allergy model was more potent than that of EGCG, probably due to the efficiency of absorption from the intestine. However, the functional potency of these EGCGs is controversial in each disease model. We previously observed that EGCG suppressed inflammatory bone resorption and prevented alveolar bone loss in a mouse model of periodontosis. In this study, we examined the role of EGCG3"Me in bone resorption using a mouse model of periodontitis. Lipopolysaccharide (LPS)-induced osteoclast formation was suppressed by adding EGCG3"Me to cocultures of osteoblasts and bone marrow cells, and LPS-induced bone resorption was also inhibited by EGCG3"Me in calvarial organ cultures. EGCG3"Me acted on osteoblasts and suppressed prostaglandin E (PGE) production, which is critical for inflammatory bone resorption, by inhibiting the expression of COX-2 and mPGES-1, key enzymes for PGE synthesis. In osteoclast precursor macrophages, EGCG3"Me suppressed RANKL-dependent differentiation into mature osteoclasts. In a mouse model of periodontitis, LPS-induced bone resorption was suppressed by EGCG3"Me in organ culture of mouse alveolar bone, and the alveolar bone loss was further attenuated by the treatment of EGCG3"Me in the lower gingiva in vivo. EGCG3"Me may be a potential natural compound for the protection of inflammatory bone loss in periodontitis. PMID- 29226084 TI - N-glycosylation and expression in human tissues of the orphan GPR61 receptor. AB - A number of members of the G protein-coupled receptor class of cell surface receptors are 'orphans' with no known endogenous ligand. One of these orphan receptors is GPR61; there are little data about its expression in human cells and tissues. In this study, we investigated the post-translational modification of GPR61 by N-glycosylation at an identified consensus N-glycosylation site (N12) and the impact of this modification upon the subcellular expression of the protein. The N-glycosylation inhibitor tunicamycin reduced the apparent molecular weight of immunoreactivity associated with myc-tagged GPR61 by 1-2 kDa, which was comparable to the evident molecular weight of the myc-tagged N12S GPR61 mutant with disrupted consensus N-glycosylation site. Analysis of GPR61 expression demonstrated that tunicamycin treatment reduced considerably heterologous expression of GPR61 in the cell membrane despite the N12S GPR61 mutant being readily expressed at the cell surface. These results demonstrate that GPR61 is subject to N-glycosylation but suggest this is not a prerequisite for cell surface expression, although N-glycosylation of other proteins may be important for cell membrane expression of GPR61. Expression of GPR61 protein was demonstrated at the cellular level in human hippocampus and human peripheral blood mononuclear cells. In the latter, there was a significantly higher expression of GPR61 in the Th17 cell subset in comparison with resting CD4+ cells, which may point toward a potential role for the GPR61 receptor in autoimmune diseases. This is the first report that GPR61 protein is subject to post-translational modification and is expressed in immune cell subsets and the hippocampus. These findings will help guide studies to investigate the function of GPR61. PMID- 29226085 TI - Cysteine and histidine residues are involved in Escherichia coli Tn21 MerE methylmercury transport. AB - Bacterial resistance to mercury compounds (mercurials) is mediated by proteins encoded by mercury resistance (mer) operons. Six merE variants with site-directed mutations were constructed to investigate the roles of the cysteine and histidine residues in MerE protein during mercurial transport. By comparison of mercurial uptake by the cell with intact and/or variant MerE, we showed that the cysteine pair in the first transmembrane domain was critical for the transport of both Hg(II) and CH 3Hg(I). Also, the histidine residue located near to the cysteine pair was critical for Hg(II) transport, whereas the histidine residue located on the periplasmic side was critical for CH 3Hg(I) transport. Thus, enhanced mercurial uptake mediated by MerE may be a promising strategy for the design of new biomass for use in the bioremediation of mercurials in the environment. PMID- 29226086 TI - Fibroblasts promote the collective invasion of ameloblastoma tumor cells in a 3D coculture model. AB - Ameloblastoma is a benign tumor of the odontogenic epithelium with several histological subtypes. All subtypes of ameloblastoma contain abundant stroma; the tumor cells invade collectively into the surrounding tissues without losing intratumor cell attachments. However, the molecular mechanisms mediating ameloblastoma invasion remain unclear. Here, we evaluated the functional significance of the interactions between ameloblastoma tumor cells and stromal fibroblasts on collective cellular invasion using a three-dimensional cultivation method, double-layered collagen gel hemisphere (DL-CGH) culture. The AM-1 plexiform and AM-3 follicular human ameloblastoma cell lines and HFF-2 human fibroblasts were labeled with GFP and DsRed, respectively. Collective cellular invasion of ameloblastoma cells was assessed in the presence or absence of fibroblasts. Notably, without fibroblasts, AM-1 cells formed sharp, plexiform like invasive processes, whereas AM-3 cells formed a series of blunt processes often observed during collective migration. In comparison, under the cocultures with HFF-2 fibroblasts, AM-3 cells formed tuft-like invasive processes and collectively invaded into outer layer more than that observed with AM-1 cells. Moreover, HFF-2 fibroblasts localized to the tips of the invasive tumor processes. These findings suggest that tumor-associated cells assist tumor cell invasion. Microscopic analysis of sectioned three-dimensional cultures revealed that AM-3/HFF-2 hemispheres were histologically similar to follicular ameloblastoma tumor samples. Therefore, our findings suggest that ameloblastoma subtypes exhibit distinct invasion patterns and that fibroblasts promote collective tumor invasion in follicular ameloblastoma. PMID- 29226087 TI - Multiple-cumulative probabilities used to cluster and visualize transcriptomes. AB - Analysis of gene expression data by clustering and visualizing played a central role in obtaining biological knowledge. Here, we used Pearson's correlation coefficient of multiple-cumulative probabilities (PCC-MCP) of genes to define the similarity of gene expression behaviors. To answer the challenge of the high dimensional MCPs, we used icc-cluster, a clustering algorithm that obtained solutions by iterating clustering centers, with PCC-MCP to group genes. We then used t-statistic stochastic neighbor embedding (t-SNE) of KC-data to generate optimal maps for clusters of MCP (t-SNE-MCP-O maps). From the analysis of several transcriptome data sets, we demonstrated clear advantages for using icc-cluster with PCC-MCP over commonly used clustering methods. t-SNE-MCP-O was also shown to give clearly projecting boundaries for clusters of PCC-MCP, which made the relationships between clusters easy to visualize and understand. PMID- 29226088 TI - A chimeric HS4 insulator-scaffold attachment region enhances transgene expression in transfected Chinese hamster ovary cells. AB - Chinese hamster ovary (CHO) cells are one of the most commonly used expression systems for the production of recombinant proteins but low levels of transgene expression and transgene silencing are frequently encountered. Epigenetic regulatory elements such as the chicken beta-globin locus control region hypersensitive site 4 (HS4) and scaffold/matrix attachment regions (S/MARs) have positive effects on transgene expression. In this study, a chimeric HS4-SAR was cloned upstream or downstream of an enhanced green fluorescent protein (eGFP) expression cassette in a eukaryotic vector, and the resulting vectors were transfected into CHO cells. eGFP was detected by flow cytometry. Real-time quantitative PCR (qPCR) was used to determine copy numbers of the stably transfected cells. And fluorescence in situ hybridization (FISH) was used to detect the status of vector in the host cell chromosome. The results showed that HS4-SAR positioned downstream of the expression cassette could enhance eGFP expression by 4.83-fold compared with the control vector. There may not be a relationship between transgene copy number and gene expression level. HS4-SAR did not appear to alter the integration of the transgene into the host cell chromosome or its position in the chromosome. We found a synthetic chimeric HS4 SAR positively increased transgene expression in CHO cells. PMID- 29226090 TI - Inhibition of IL-18-mediated myeloid derived suppressor cell accumulation enhances anti-PD1 efficacy against osteosarcoma cancer. AB - Myeloid derived suppressor cells (MDSC) are very important in tumor immune evasion and they dramatically increased in peripheral blood of patients with osteosarcoma cancer. The association between MDSC and various cytokines has been studied in the peripheral blood. However, little is known about the mechanism drawing MDSC into tumor parenchyma. This study was to analyze the correlation between MDSC subsets and interleukin 18 (IL-18) level in osteosarcoma tumor model and its effect on the immunotherapy. MDSC were isolated from the blood and parenchyma and analyzed in the osteosarcoma tumor model. IL-18 levels were detected by enzyme-linked immunosorbent assay (ELISA) assay, real-time PCR, western blot and flow cytometry. Moreover, combination treatment with IL-18 inhibition and anti-PD1 was conducted to assess the therapeutic effects of IL-18 blockade. Results showed MDSC levels had a positive correlation with IL-18, suggesting IL-18 may attract MDSC into the parenchyma. IL-18 gene and protein expression significantly increased in blood and tumor lysates of tumor-bearing mice. Anti-IL-18 treatment significantly decreased G-MDSC and M-MDSC in the peripheral blood and tumor. Furthermore, combination therapy decreased the tumor burden and increased CD4+ and CD8+ T cell infiltration, as well as the production of interferon gamma (IFNgamma) and granzyme B. Our study revealed a possible correlation between MDSC subsets and IL-18 inducing MDSC migration into the tumor tissue, in addition to provide the potential target to enhance the efficacy of immunotherapy in patients with osteosarcoma. PMID- 29226089 TI - Oncolytic adenoviruses as a therapeutic approach for osteosarcoma: A new hope. AB - Osteosarcoma is the most common bone cancer among those with non-hematological origin and affects mainly pediatric patients. In the last 50 years, refinements in surgical procedures, as well as the introduction of aggressive neoadjuvant and adjuvant chemotherapeutic cocktails, have increased to nearly 70% the survival rate of these patients. Despite the initial therapeutic progress the fight against osteosarcoma has not substantially improved during the last three decades, and almost 30% of the patients do not respond or recur after the standard treatment. For this group there is an urgent need to implement new therapeutic approaches. Oncolytic adenoviruses are conditionally replicative viruses engineered to selectively replicate in and kill tumor cells, while remaining quiescent in healthy cells. In the last years there have been multiple preclinical and clinical studies using these viruses as therapeutic agents in the treatment of a broad range of cancers, including osteosarcoma. In this review, we summarize some of the most relevant published literature about the use of oncolytic adenoviruses to treat human osteosarcoma tumors in subcutaneous, orthotopic and metastatic mouse models. In conclusion, up to date the preclinical studies with oncolytic adenoviruses have demonstrated that are safe and efficacious against local and metastatic osteosarcoma. Knowledge arising from phase I/II clinical trials with oncolytic adenoviruses in other tumors have shown the potential of viruses to awake the patient's own immune system generating a response against the tumor. Generating osteosarcoma immune-competent adenoviruses friendly models will allow to better understand this potential. Future clinical trials with oncolytic adenoviruses for osteosarcoma tumors are warranted. PMID- 29226091 TI - Successful treatment of multicompartmental cerebral ventriculitis caused by Acinetobacter baumanii. AB - We present a case report of a 58-year- old woman with subarachnoid haemorrhage complicated by non-communicating hydrocephalus. During the course of her neurosurgical management, she developed external-ventricular drain associated ventriculitis which in turn was complicated by lack of communication between third and fourth ventricles. The causative organism was a fully-sensitive Acinetobacter baumanii, a nosocomial pathogen often associated with complicated treatment regimens and poor outcomes. This patient was successfully managed by a multi-disciplinary team involving neurosurgeons, neuroradiologists and infection specialists. Patient made a full recovery following double CSF diversion and intravenous plus intrathecal antimicrobial therapy. PMID- 29226092 TI - Aggressive surgical management of adenocarcinoma of the rete testis. AB - Adenocarcinoma of the rete testis is a rare and aggressive malignancy arising from the epididymal epithelium. We present a case of a 66-year-old male who presented with left testis mass. Histopathological analysis of orchiectomy specimen was consistent with adenocarcinoma of the rete testis. Subsequent retroperitoneal lymph node dissection revealed metastatic disease not detected on preoperative PET-CT. Prior reports have suggested poor response rates to both systemic chemotherapy and radiation therapy. Aggressive surgical management of the retroperitoneum should be considered even in clinically node-negative patients given the paucity of other effective treatment regimens. PMID- 29226093 TI - Complete biochemical response after stereotactic ablative radiotherapy of an isolated prostate cancer pelvic soft tissue recurrence detected by 18F-DCFPyL PET/CT. PMID- 29226094 TI - Epstein Barr virus-associated smooth muscle tumour (EBV-SMT) of the urinary bladder. PMID- 29226095 TI - Atypical hemolytic-uremic syndrome due to complement factor I mutation. AB - Atypical hemolytic-uremic syndrome (aHUS) is a rare disease of complement dysregulation leading to thrombotic microangiopathy (TMA). Renal involvement and progression to end-stage renal disease are common in untreated patients. We report a 52-year-old female patient who presented with severe acute kidney injury, microangiopathic hemolytic anemia, and thrombocytopenia. She was managed with steroid, plasma exchange, and dialysis. Kidney biopsy shows TMA and renal cortical necrosis. Genetic analysis reveals heterozygous complement factor I (CFI) mutation. Eculizumab was initiated after 3 mo of presentation, continued for 9 mo, and stopped because of sustained hematologic remission, steady renal function, and cost issues. Despite this, the patient continued to be in hematologic remission and showed signs of renal recovery, and peritoneal dialysis was stopped 32 mo after initiation. We report a case of aHUS due to CFI mutation, which, to the best of our knowledge, has not been reported before in Saudi Arabia. Our case illustrates the challenges related to the diagnosis and management of this condition, in which a high index of suspicion and prompt treatment are usually necessary. PMID- 29226096 TI - Feasibility of two active case finding approaches for detection of tuberculosis in Bandung City, Indonesia. AB - Setting: A community health clinic catchment area in the eastern part of Bandung City, Indonesia. Objective: To evaluate the feasibility of two different screening interventions using community health workers (CHWs) in detecting tuberculosis (TB) cases. Design: This was a feasibility study of 1) house-to house TB symptom screening of five randomly selected 'neighbourhoods' in the catchment area, and 2) selected screening of household contacts of TB index patients and their neighbouring households. Acceptability was assessed through focus group discussions with key stakeholders. Results: Of 5100 individuals screened in randomly selected neighbourhoods, 48 (0.9%) reported symptoms, of whom 38 provided sputum samples; no positive TB was found. No TB cases were found among the 88 household contacts or the 423 neighbourhood contacts. With training, regular support and supervision from research staff and local community health centre staff, CHWs were able to undertake screening effectively, and almost all householders were willing to participate. Conclusion: The use of CHWs for TB screening could be integrated into routine practice relatively easily in Indonesia. The effectiveness of this would need further exploration, particularly with the use of improved diagnostics such as chest X-ray and sputum culture. PMID- 29226098 TI - Occult HCV Infection (OCI) Diagnosis in Cirrhotic and Non-cirrhotic Naive Patients by Intra-PBMC Nested Viral RNA PCR. AB - Background and Aims: Occult HCV infections (OCIs) include IgG antibody seronegative cryptogenic (COCIs), as well as seropositive secondary naive (SNOCIs) and experienced (SEOCIs) cases. We used peripheral-blood-mononuclear cell (PBMC)-PCR to evaluate COCIs and SNOCIs prevalence, serum HCV spontaneous disappearance (SCSD) in naive cirrhotics and non-cirrhotics, intra-PBMC HCV-RNA strands in relation to cirrhosis density in naive non-viremia cases, and HCV-RNA seroconversion after 1 year of solitary naive intra-PBMC infection. Methods: The anti-HCV IgG antibody-positive naive-patients (n = 785) were classified into viremic (n = 673) and non-viremic [n = 112, including non-cirrhotics (n = 55) and cirrhotics (n = 57)], and 62 controls without evidence of HCV-infection. Controls and post-HCV non-viremia cases (n = 62+112 = 174) were submitted to hepatic Fibroscan-Elastography evaluation. All subjects (n = 847) were screened for intra PBMC HCV-RNA sense and antisense strands by nested-PCR. Results: Naive-OCI cases (4.84%) that were diagnosed by PBMC-PCR significantly raised the total numbers of HCV-infection to 714 (p = 0.01). The percent positivity of SNOCIs (34.82%) was significantly higher than for asymptomatic-COCIs (3.125%, p = 0.0001). Comparing PBMC-PCR with single-step-reverse-transcription (SRT)-PCR for identification of SCSD in naive IgG antibody-positive non-viremia patients (n = 112) revealed a decline in SCSD prevalence by PBMC-PCR (from 14.27% to 9.3%), regardless of presence of hepatic cirrhosis (p = 0.03). SCSD was found to be higher by PBMC-PCR in non-cirrhotics compared to cirrhotics (p = 0.0001), with an insignificant difference when using SRT-PCR (p = 0.45). Intra-PBMC HCV-RNA infection was significantly more frequent in cirrhotics compared to both non-cirrhotics and controls (p < 0.0005). An increased hepatic fibrosis density was recognized in intra-PBMC HCV-RNA infection with sense (p = 0.0001) or antisense strand (p = 0.003). HCV-RNA seroconversion was associated with intra-PBMC infection when both sense and antisense strands were detected (p = 0.047). Conclusions: Intracellular HCV-RNA evaluation is crucial for diagnosing OCIs and addressing relapse probability. PMID- 29226099 TI - Efficacy and Safety of Direct-acting Antivirals in Hepatitis C Virus-infected Patients Taking Proton Pump Inhibitors. AB - Background and Aims: Direct-acting antiviral (DAA) therapy is the cornerstone of the treatment of chronic hepatitis C virus (HCV) infection. Eradication of HCV, predicted by the attainment of a sustained virologic response (SVR) 12 weeks following DAA therapy, is the goal of this treatment. Interestingly, recent studies have reported the possible association between HCV-infected patients with DAA therapy concomitant use of proton pump inhibitors (PPIs) and lower odds of achieving SVR. This meta-analysis was conducted to summarize all available data and to estimate this potential association. Methods: Comprehensive literature review was conducted by first searching the Medline and Embase databases through March 2017 to identify all studies that investigated the safety and efficacy of DAAs in patients with HCV infection taking PPIs versus those without PPIs. Adjusted point estimates from each study were combined by the generic inverse variance method of DerSimonian and Laird. Results: Nine cohort studies with 32,684 participants met the eligibility criteria and were included in the meta analysis. The use of PPIs concomitant with DAAs among HCV-infected patients was associated with lower odds of achieving SVR compared with non-PPI users (pooled odds ratio (OR): 0.74, 95% confidence interval (CI): 0.63-0.88, I2 = 24%). Subgroup analysis addressed the association between PPIs use and SVR12 demonstrated the association of PPI users showing lower odds of achieving SVR12 compared with those with no use of PPIs (pooled OR: 0.68, 95% CI: 0.51-0.9, I2 = 33%). Conclusions: This study demonstrated a significantly increased risk of failure to achieve SVR in HCV-infected patients taking DAA with PPIs compared to non-PPI users. Providers should consider whether PPI therapy is indicated for patients and withdraw of PPI therapy in the absence of indications, especially while on DAA therapy. PMID- 29226097 TI - Guideline of Prevention and Treatment for Chronic Hepatitis B (2015 Update). PMID- 29226100 TI - Clinical Food Addiction Is Not Associated with Development of Metabolic Complications in Liver Transplant Recipients. AB - Background and Aims: Given the increased risk of post-transplant metabolic syndrome (PTMS; defined by hypertension, diabetes mellitus and hyperlipidemia), we aimed to identify the potential role of food addiction in the development of metabolic complications in the post-liver transplant population. Methods: Inclusion criteria included adult liver transplant recipients followed at our institution between June 2016 and November 2016. Participants were administered a demographic survey as well as the Yale Food Assessment Scale 2.0, a 35-item questionnaire used to assess frequency of food addiction in accordance with the DSM-V guidelines of substance use disorders. Demographic and clinical data were collected. Results: Our study included 236 liver transplant recipients (139 males, 97 females). The median (interquartile range [IQR]) BMI of participants was 26.8 kg/m2 (24.2, 30.4), and median (IQR) time since transplantation was 50.9 months (19.6, 119.8). The prevalence rates of hypertension, hypercholesterolemia and diabetes mellitus were 54.7%, 25.0% and 27.1%, respectively. Twelve participants (5.1%) were found to have a diagnosis of food addiction. A diagnosis of food misuse was made in 94 (39.8%) of the transplant recipients. Conclusions: Our findings are consistent with prior data that indicate high prevalence of metabolic complications among liver transplant recipients. Food addiction was not predictive of metabolic complications within this population. Nevertheless, we found that this population was at high risk of demonstrating symptoms of food misuse, and they were not likely to appreciate the risks of pathologic patterns of eating. Given the increasing risk of cardiovascular morbidity and mortality in this population, efforts should be made to identify risk factors for the development of PTMS. PMID- 29226101 TI - Risk of Cardiovascular Disease Due to Chronic Hepatitis C Infection: A Review. AB - Hepatitis C (HCV) infection has an estimated global prevalence of 2.5%, causing chronic liver disease in 170 million people worldwide. Recent data has identified HCV infection as a risk factor for subclinical and clinical cardiovascular disease (CVD), but these data have been mixed and whether HCV is an independent risk factor for development of CVD remains controversial. In this review, we present the literature regarding the association of HCV with subclinical and clinical CVD and the possible underlying mechanisms leading to increased CVD among those infected with HCV. HCV infection leads to increased CVD via direct and indirect mechanisms with chronic inflammation, endothelial dysfunction and direct invasion of the arterial wall cited as possible mechanisms. Our review showed that HCV infection, particularly chronic HCV infection, appears to lead to increased subclinical CVD most consistently and potentially also to increased clinical CVD outcomes, leading to increased morbidity and mortality. Furthermore, the majority of studies evaluating the impact of HCV therapy on CVD morbidity and mortality showed an improvement in subclinical and clinical CVD endpoints in patients who were successfully treated and achieved sustained viral suppression. These results are of particular interest following the development of new direct antiviral agents which have made HCV eradication simple and feasible for many more patients globally, and in doing so may possibly reduce CVD morbidity and mortality in those with chronic HCV infection. PMID- 29226102 TI - Timing of Hepatitis C Virus Treatment in Liver Transplant Candidates in the Era of Direct-acting Antiviral Agents. AB - Chronic hepatitis C virus (HCV) infection remains the leading indication for liver transplantation (LT) in the United States. While most patients with chronic HCV infection remain asymptomatic, up to one-third develop progressive liver disease resulting in cirrhosis. LT is often the only curative treatment once significant hepatic decompensation develops. However, antiviral therapy for HCV infection has advanced markedly in the past 5 years with the discovery and approval of direct-acting antiviral agents. These new regimens are well tolerated, of short duration and highly effective, unlike the traditional treatment with pegylated-interferon and ribavirin. As achieving sustained virological response becomes increasingly attainable for a majority of HCV infected patients, concerns have been raised regarding the optimal timing of treatment for HCV infection in the setting of end-stage liver disease and during the peri-transplant period. On one hand, HCV treatment may improve hepatic function and negate the need for LT in some, which is crucial given the scarcity of donor organs and mortality on the waiting list in certain regions. On the other hand, HCV treatment may result in lowering the priority for LT without improving quality of life, thereby delaying potentially curative LT surgery. This review evaluates the evidence supporting the use of direct-acting antiviral agents in the period before and following LT. PMID- 29226103 TI - Clinical Application of Vibration Controlled Transient Elastography in Patients with Chronic Hepatitis B. AB - Evaluation of the extent and progression of liver fibrosis and cirrhosis is of critical importance in the management and prognosis of patients with chronic hepatitis B. Due to the limitation of liver biopsy, non-invasive methods, especially liver stiffness measurement (LSM) by vibration controlled transient elastography, have been developed and widely applied for liver fibrosis assessment. LSM aims to reduce, but not to substitute, the need for liver biopsy for fibrosis/cirrhosis diagnosis. While LSM may have potential utility in monitoring treatment response, its applications in prediction of liver complications in terms of portal hypertension and esophageal varices, as well as disease prognosis, have been gradually validated. Here, we review the latest clinical applications of LSM in patients with chronic hepatitis B. PMID- 29226104 TI - Hepatitis E: A Literature Review. AB - Hepatitis E is the fifth known form of human viral hepatitis. Although not very common in our clinical practice, the incidence in Western countries is increasing. Infection with the hepatitis E virus (HEV) may be related to acute illness, liver failure, chronic hepatitis and cirrhosis. HEV itself is an RNA virus, with eight described genotypes (HEV 1-8), four of which more commonly affect humans and have, thus, been better studied. Besides liver manifestations, genotype 3 is also related to extra-hepatic manifestations, such as neurological, renal and rheumatological. Evolution to chronic disease occurs especially in patients who underwent transplantation, have hematological malignancies requiring chemotherapy, or have infection with the human immunodeficiency virus. The diagnosis may be difficult because of the low availability of tests and due to low sensibility and specificity. The acute form of illness does not have to be treated, but the chronic one does. We present here a literature review of hepatitis E and the relation between chronic hepatitis E and transplantation. PMID- 29226105 TI - Non-alcoholic Fatty Liver Disease: A Clinical Update. AB - Non-alcoholic fatty liver disease (NAFLD) is currently the most common chronic liver disease in developed countries because of the obesity epidemic. The disease increases liver-related morbidity and mortality, and often increases the risk for other comorbidities, such as type 2 diabetes and cardiovascular disease. Insulin resistance related to metabolic syndrome is the main pathogenic trigger that, in association with adverse genetic, humoral, hormonal and lifestyle factors, precipitates development of NAFLD. Biochemical markers and radiological imaging, along with liver biopsy in selected cases, help in diagnosis and prognostication. Intense lifestyle changes aiming at weight loss are the main therapeutic intervention to manage cases. Insulin sensitizers, antioxidants, lipid lowering agents, incretin-based drugs, weight loss medications, bariatric surgery and liver transplantation may be necessary for management in some cases along with lifestyle measures. This review summarizes the latest evidence on the epidemiology, natural history, pathogenesis, diagnosis and management of NAFLD. PMID- 29226106 TI - Elevated Liver Enzymes in Asymptomatic Patients - What Should I Do? AB - Elevated liver enzymes are a common scenario encountered by physicians in clinical practice. For many physicians, however, evaluation of such a problem in patients presenting with no symptoms can be challenging. Evidence supporting a standardized approach to evaluation is lacking. Although alterations of liver enzymes could be a normal physiological phenomenon in certain cases, it may also reflect potential liver injury in others, necessitating its further assessment and management. In this article, we provide a guide to primary care clinicians to interpret abnormal elevation of liver enzymes in asymptomatic patients using a step-wise algorithm. Adopting a schematic approach that classifies enzyme alterations on the basis of pattern (hepatocellular, cholestatic and isolated hyperbilirubinemia), we review an approach to abnormal alteration of liver enzymes within each section, the most common causes of enzyme alteration, and suggest initial investigations. PMID- 29226108 TI - Severe Alcoholic Hepatitis: Atypical Presentation with Markedly Elevated Alkaline Phosphatase. AB - Alcoholic hepatitis (AH) is an acute inflammatory liver disease with poor prognosis. Infections in AH are difficult to detect and contribute to short-term mortality. Intrahepatic cholestasis and elevated alkaline phosphatase levels are also associated with worse outcomes. This report describes an uncommon presentation of severe AH. PMID- 29226107 TI - Cholangitis: Diagnosis, Treatment and Prognosis. AB - Cholangitis is a serious life-threatening situation affecting the hepatobiliary system. This review provides an update regarding the clinical and pathological features of various forms of cholangitis. A comprehensive search was performed in the PubMed, Scopus, and Web of Knowledge databases. It was found that the etiology and pathogenesis of cholangitis are heterogeneous. Cholangitis can be categorized as primary sclerosing (PSC), secondary (acute) cholangitis, and a recently characterized form, known as IgG4-associated cholangitis (IAC). Roles of genetic and acquired factors have been noted in development of various forms of cholangitis. PSC commonly follows a chronic and progressive course that may terminate in hepatobiliary neoplasms. In particular, PSC commonly has been associated with inflammatory bowel disease. Bacterial infections are known as the most common cause for AC. On the other hand, IAC has been commonly encountered along with pancreatitis. Imaging evaluation of the hepatobiliary system has emerged as a crucial tool in the management of cholangitis. Endoscopic retrograde cholangiography, magnetic resonance cholangiopancreatography and endoscopic ultrasonography comprise three of the modalities that are frequently exploited as both diagnostic and therapeutic tools. Biliary drainage procedures using these methods is necessary for controlling the progression of cholangitis. Promising results have been reported for the role of antibiotic treatment in management of AC and PSC; however, immunosuppressive drugs have also rendered clinical responses in IAC. With respect to the high rate of complications, surgical interventions in patients with cholangitis are generally restricted to those patients in whom other therapeutic approaches have failed. PMID- 29226110 TI - Comparison Effect of Promethazine/Dexamethasone and Metoclopramide /Dexamethasone on Postoperative Nausea and Vomiting after Laparascopic Gastric Placation: A Randomized Clinical Trial. AB - Background: Laparoscopic gastric plication (LGP) is a technique in the restrictive category of bariatric procedures that reduces the gastric volume and increases intragastric pressure. Nausea and vomiting are the most common complications after this procedure. The goal of this research is to compare the combined effect of promethazine/dexamethasone versus Metoclopramide/ dexamethasone on the prevention of nausea and vomiting after LGP. Methods: In recovery, the patients were divided into two groups, the Metoclopramide group which was given Metoclopramide 10 mg plus dexamethasone 4 mg/8 hours intravenous for 48 hours, and the promethazine group which was given promethazine 50 mg /12 hours, intramuscular for the first 24 hours and then promethazine 25 mg/12 hours for the next 24 hours plus dexamethasone 4 mg/8 hours intravenous for 48 hours. The frequency of nausea and vomiting, number of reflux episodes, frequency of epigastric fullness, and the duration of walking around q12 hours were recorded in the first 48 hours post-operation. Results: Eighty patients were enrolled into the study. Promethazine group were found to significantly reduce the incidence of PONV in the first 24 hours compared with the other group (41% vs. 97.5%), relative risk = 0.042 [95% CI = 0.006, 0.299]. The mean numbers of epigastric fullness and severity of epigastria pain were lower in the promethazine group (P = 0.01) and the total opioid requirement was also reduced in promethazine group (32.1 +/- 2.6 VS .68.5 +/- 4.6 mg). However, the patients in the promethazine group were more sedated, which caused the duration of walking q12 hours in this group to decrease. Conclusions: In morbidly obese patients undergoing laparoscopic gastric plication, promethazine/dexametasone was more effective than Metoclopramide/dexametasone in preventing and reducing the incidence of nausea, epigastric fullness, and reflux. That combination was also more effective than Metoclopramide in reducing the severity of epigastric pain. PMID- 29226111 TI - Comparison of Electronic Learning Versus Lecture-based Learning in Improving Emergency Medicine Residents' Knowledge About Mild Induced Hypothermia After Cardiac Arrest. AB - Background: The process of medical education depends on several issues such as training materials, students, professors, educational fields, and the applied technologies. The current study aimed at comparing the impacts of e-learning and lecture-based learning of mild induced hypothermia (MIH) after cardiac arrest on the increase of knowledge among emergency medicine residents. Methods: In a pre- and post-intervention study, MIH after cardiac arrest was taught to 44 emergency medicine residents. Residents were randomly divided into 2 groups. The first group included 21 participants (lecture-based learning) and the second had 23 participants (e-learning). A 19-item questionnaire with approved validity and reliability was employed as the pretest and posttest. Then, data were analyzed with SPSS software version 17.0. Results: There was no statistically significant difference in terms of the learning method between the test scores of the 2 groups (P = 0.977). Conclusions: E-learning and lecture-based learning methods was effective in augmentation of residents of emergency medicine knowledge about MIH after cardiac arrest; nevertheless, there was no significant difference between these mentioned methods. PMID- 29226113 TI - In Vitro Evaluation of Vegf-Pseudomonas Exotoxin: A Conjugated on Tumor Cells. AB - Background: Angiogenesis which occurs mandatory in solid tumors, is a critical step in malignancy progression. Vascular endothelial growth factor (VEGF) is mainly responsible for angiogenesis process and facilitates the formation of new vessels. Distribution of monoclonal antibodies against VEGF or VEGF receptor (VEGFR) into the solid tumors is limited because of their huge dimensions. Moreover, many investigations have demonstrated the usefulness of immunotoxins to halt angiogenesis in solid tumors. Materials and Methods: We designed, expressed and evaluated the cytotoxicity of a novel nano-immunotoxin composed of VEGF splice variant containing 121 amino acids (VEGF121) and truncated the exotoxin A of Pseudomonas aeruginosa (PE38-KDEL). The fusion protein VEGF121-PE38 was successfully cloned and expressed in Escherichia coli, purified by Ni+ 2 affinity chromatography. The fusion protein was subsequently subjected to refolding using the reduced and oxidized glutathione. Results: The expression level of the fusion protein reached to 1 mg/ml. The VEGF121-PE38 immunotoxin showed a 59 KDa MW which had cytotoxic effect on HUVEC and 293/KDR cells as low and high expressing VEGFR2 cells, respectively. But the cytotoxicity on 293/KDR was 100 folds more than that of VEGFR2 low expressing cell HUVEC. Conclusion: The designed immunotoxin showed more selectivity for higher VEGFR2 expressing cells in vitro. PMID- 29226114 TI - Comparison the Effects of Intraoperative Labetalol and Lidocaine on Postoperative Blood Pressure and Heart Rate in Brain Surgeries. AB - Background: Long-term anesthesia applied in some operations, especially in neurosurgical operations leads to unwanted complications. This study aimed to compare the effect of intraoperative labetalol and lidocaine injection on the rate of changes in postoperative blood pressure and heart beat in patients undergoing brain operation. Materials and Methods: This is a simple double-blind randomized clinical trial study conducted in Al-Zahra and Kashani Hospitals on 90 patients' candidate for craniotomy operation with the age range of 18-65 years, Glasgow Coma Scale (GCS) >=13 before anesthesia, physical class of American Society of Anesthesiologists I, II, insensitivity to labetalol who were divided into two groups of 45 individuals in the random allocation method. To start anesthesia, fentanil 1.5 mg per 1 kg of body weight, midazolam 5 mg, propofol 2 mg/kg and then, atracurium 0.15 mg/kg and lidocaine 1.5 mg/kg were used. The rate of patients' bucking and blood pressure were checked at GCS time after operation and in patients' recovery in terms of 0, 5, 10, 20 and 30 min after arrival in the recovery room and 1 h later. Results: There was no significant difference in terms of hemodynamic parameters during the period of operation and recovery and at the time of extubation and during the study, no case of bradicardia, hypotension, tachycardia or hypertension was observed in the patients of both groups. Conclusion: Using labetalol in craniotomy surgery is helpful for two main reasons that are the proper control of intraoperative and postoperative blood pressure and prevention of postoperative reactions, especially cough and if there is no contraindication for using it, it is recommended. PMID- 29226112 TI - Formation of the Legionella Replicative Compartment at the Crossroads of Retrograde Trafficking. AB - Retrograde trafficking from the endosomal system through the Golgi apparatus back to the endoplasmic reticulum is an essential pathway in eukaryotic cells, serving to maintain organelle identity and to recycle empty cargo receptors delivered by the secretory pathway. Intracellular replication of several bacterial pathogens, including Legionella pneumophila, is restricted by the retrograde trafficking pathway. L. pneumophila employs the Icm/Dot type IV secretion system (T4SS) to form the replication-permissive Legionella-containing vacuole (LCV), which is decorated with multiple components of the retrograde trafficking machinery as well as retrograde cargo receptors. The L. pneumophila effector protein RidL is secreted by the T4SS and interferes with retrograde trafficking. Here, we review recent evidence that the LCV interacts with the retrograde trafficking pathway, discuss the possible sites of action and function of RidL in the retrograde route, and put forth the hypothesis that the LCV is an acceptor compartment of retrograde transport vesicles. PMID- 29226115 TI - Body Composition in Crohn's Disease and Ulcerative Colitis: Correlation with Disease Severity and Duration. AB - Background: Results on body composition in Crohn's disease (CD) and ulcerative colitis (UC) have been heterogeneous and are lacking from Asia. Present study assessed body composition in CD/UC and correlated it with disease severity/duration. Methods: Patients of CD/UC following between Dec 2014 and Dec 2015 who consented for bioimpedance analysis for body fat measurement were included. Lean mass and fat-free mass index (FFMI) were calculated with standard formulae. Visceral fat area (VFA), subcutaneous fat area (SCA), and visceral to subcutaneous fat ratio (VF/SC) were evaluated in CD patients on abdominal CT. Results: Lean mass in CD (n = 44, mean age: 41.2 +/- 15.8 years, 73% males) was significantly lower than UC (n = 53, mean age: 33.2 +/- 11.2 years, 68% males; 44.2 +/- 7.8 versus 48.3 +/- 8.4 Kg, p = 0.01). In both UC/CD, disease severity was associated with nonsignificant decline in BMI (UC: 22.1 +/- 4.9 versus 20.2 +/- 3.2 versus 19.9 +/- 3.2 kg/m2, p = 0.23; CD: 22.1 +/- 4.2 versus 19.9 +/- 2.3 versus 19.7 +/- 4.2 kg/m2, p = 0.18) and fat mass (UC: 10.9 +/- 8.9 versus 8.1 +/ 5.9 versus 5.7 +/- 3.6 kg, p = 0.14; CD: 11.2 +/- 7 versus 7.9 +/- 4.4 versus 7.2 +/- 5.9 kg, p = 0.16), and disease duration was associated with significant decline in FFMI (p < 0.05). In CD, disease severity was associated with nonsignificant decline in SCA and increase in VF/SC. Conclusions: CD patients have lower lean mass than UC. Body fat decreases with increasing disease severity and fat-free mass decreases with increasing disease duration in both UC/CD. PMID- 29226116 TI - Alcohol Consumption in Diabetic Patients with Nonalcoholic Fatty Liver Disease. AB - Aim: To examine the association between lifetime alcohol consumption and significant liver disease in type 2 diabetic patients with NAFLD. Methods: A cross-sectional study assessing 151 patients with NAFLD at risk of clinically significant liver disease. NAFLD fibrosis severity was classified by transient elastography; liver stiffness measurements >=8.2 kPa defined significant fibrosis. Lifetime drinking history classified patients into nondrinkers, light drinkers (always <=20 g/day), and moderate drinkers (any period with intake >20 g/day). Result: Compared with lifetime nondrinkers, light and moderate drinkers were more likely to be male (p = 0.008) and to be Caucasian (p = 0.007) and to have a history of cigarette smoking (p = 0.000), obstructive sleep apnea (p = 0.003), and self-reported depression (p = 0.003). Moderate drinkers required >=3 hypoglycemic agents to maintain diabetic control (p = 0.041) and fibrate medication to lower blood triglyceride levels (p = 0.044). Compared to lifetime nondrinkers, light drinkers had 1.79 (95% CI: 0.67-4.82; p = 0.247) and moderate drinkers had 0.91 (95% CI: 0.27-3.10; p = 0.881) times the odds of having liver stiffness measurements >=8.2 kPa (adjusted for age, gender, and body mass index). Conclusions: In diabetic patients with NAFLD, light or moderate lifetime alcohol consumption was not significantly associated with liver fibrosis. The impact of lifetime alcohol intake on fibrosis progression and diabetic comorbidities, in particular obstructive sleep apnea and hypertriglyceridemia, requires further investigation. PMID- 29226118 TI - Identification of a Novel Heterozygous De Novo 7-bp Frameshift Deletion in PBX1 by Whole-Exome Sequencing Causing a Multi-Organ Syndrome Including Bilateral Dysplastic Kidneys and Hypoplastic Clavicles. AB - Introduction: Congenital anomalies of the kidney and urinary tract (CAKUT) represent the primary cause of chronic kidney disease in children. Many genes have been attributed to the genesis of this disorder. Recently, haploinsufficiency of PBX1 caused by microdeletions has been shown to result in bilateral renal hypoplasia and other organ malformations. Materials and methods: Here, we report on a 14-year-old male patient with congenital bilateral dysplastic kidneys, cryptorchidism, hypoplastic clavicles, developmental delay, impaired intelligence, and minor dysmorphic features. Presuming a syndromic origin, we performed SNP array analysis to scan for large copy number variations (CNVs) followed by whole-exome sequencing (WES). Sanger sequencing was done to confirm the variant's de novo status. Results: SNP array analysis did not reveal any microdeletions or -duplications larger than 50 or 100 kb, respectively. WES identified a novel heterozygous 7-bp frameshift deletion in PBX1 (c.413_419del, p.Gly138Valfs*40) resulting in a loss-of-function. The de novo status could be confirmed by Sanger sequencing. Discussion: By WES, we identified a novel heterozygous de novo 7-bp frameshift deletion in PBX1. Our findings expand the spectrum of causative variants in PBX1-related CAKUT. In this case, WES proved to be the apt technique to detect the variant responsible for the patient's phenotype, as single gene testing is not feasible given the multitude of genes involved in CAKUT and SNP array analysis misses rare single-nucleotide variants and small Indels. PMID- 29226117 TI - Pediatric Anti-N-Methyl-d-Aspartate Receptor Encephalitis: A Review with Pooled Analysis and Critical Care Emphasis. AB - Purpose: Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is being recognized with increasing frequency among children. Given the paucity of evidence to guide the critical care management of these complex patients, we provide a comprehensive review of the literature with pooled analysis of published case reports and case series. Methods: We performed a comprehensive literature search using PubMed, Scopus, EMBASE, and Web of Science for relevant published studies. The literature search was conducted using the terms NMDA, anti NMDA, Anti-N-methyl-d-aspartate, pediatric encephalitis, and anti-NMDAR and included articles published between 2005 and May 1, 2016. Results: Forty-eight references met inclusion criteria accounting for 373 cases. For first-line treatments, 335 (89.8%) received high-dose corticosteroids, 296 received intravenous immunoglobulin (79.3%), and 116 (31%) received therapeutic plasma exchange. In these, 187 children (50.1%) had a full recovery with only minor deficits, 174 patients (46.7%) had partial recovery with major deficits, and 12 children died. In addition, 14 patients were reported to require mechanical ventilation. Conclusion: Anti-NMDA encephalitis is a formidable disease with great variation in clinical presentation and response to treatment. With early recognition of this second most common cause of pediatric encephalitis, a multidisciplinary approach by physicians may provide earlier access to first- and second-line therapies. Future studies are needed to examine the efficacy of these current therapeutic strategies on long-term morbidity. PMID- 29226119 TI - Substitution of Formal and Informal Home Care Service Use and Nursing Home Service Use: Health Outcomes, Decision-Making Preferences, and Implications for a Public Health Policy. AB - Objectives: The purposes of this study are: (1) to empirically identify decision making preferences of long-term health-care use, especially informal and formal home care (FHC) service use; (2) to evaluate outcomes vs. costs based on substitutability of informal and FHC service use; and (3) to investigate health outcome disparity based on substitutability. Methodology and data: The methods of ordinary least squares, a logit model, and a bivariate probit model are used by controlling for socioeconomic, demographic, and physical/mental health factors to investigate outcomes and costs based substitutability of informal and formal health-care use. The data come from the 2013 Japanese Study of Aging and Retirement (JSTAR), which is designed by Keizai-Sangyo Kenkyu-jo, Hitotsubashi University, and the University of Tokyo. The JSTAR is a globally comparable data survey of the elderly. Results: There exists a complement relationship between the informal home care (IHC) and community-based FHC services, and the elasticity's ranges from 0.18 to 0.22. These are reasonable results, which show that unobservable factors are positively related to IHC and community-based FHC, but negatively related to nursing home (NH) services based on our bivariate probit model. Regarding health-care outcome efficiency issue, the IHC is the best one among three types of elderly care: IHC, community-based FHC, and NH services. Health improvement/outcome of elderly with the IHC is heavier concentrated on IHC services than the elderly care services by community-based FHC and NH care services. Conclusion: Policy makers need to address a diversity of health outcomes and efficiency of services based on providing services to elderly through resource allocation to the different types of long-term care. A provision of partial or full compensation for elderly care at home is recommendable and a viable option to improve their quality of lives. PMID- 29226120 TI - Teaching Undergraduate Students to Visualize and Communicate Public Health Data with Infographics. AB - The purpose of this study was to explore the degree to which an infographic assignment facilitated student learning around health science issues, as well as the ways in which the assignment was an effective teaching tool. The objectives of the assignment were to (1) understand the purposes of and potential uses for infographics, (2) cultivate creative visual communication skills, and (3) disseminate a complex health topic to diverse audiences. The infographic assignment was developed at Montana State University and piloted at Portland State University. Students were assigned to small groups of three or four to create an infographic focused on a health science issue. The assignment was divided into four steps: brainstorming, developing, designing, and finalizing. Focus groups were conducted to assess how learning occurred throughout the assignment and identify any opportunities for modification of the assignment. This study was conducted with freshman students enrolled at Portland State University, a public university located in downtown Portland, OR, USA. Thirty four students completed the assignment and 31 students participated in one of three focus groups. Four themes emerged from focus groups: (1) Communicating Science-Related Topics to Non-experts, (2) Developing Professional Skills, (3) Understanding Health Issues, and (4) Overall Experience. This article outlines the assignment, discusses focus group results, and presents assignment modifications. It is clear that the infographic assignment facilitated learning about accessing and translating data. This assignment is ideally suited for use with diverse college-age audiences in health education and health promotion fields. PMID- 29226121 TI - Facts and Fallacies in the Debate on Glyphosate Toxicity. AB - The safety profile of the herbicide glyphosate and its commercial formulations is controversial. Reviews have been published by individuals who are consultants and employees of companies commercializing glyphosate-based herbicides in support of glyphosate's reapproval by regulatory agencies. These authors conclude that glyphosate is safe at levels below regulatory permissible limits. In contrast, reviews conducted by academic scientists independent of industry report toxic effects below regulatory limits, as well as shortcomings of the current regulatory evaluation of risks associated with glyphosate exposures. Two authors in particular (Samsel and Seneff) have published a series of commentaries proposing that long-term exposure to glyphosate is responsible for many chronic diseases (including cancers, diabetes, neuropathies, obesity, asthma, infections, osteoporosis, infertility, and birth defects). The aim of this review is to examine the evidential basis for these claimed negative health effects and the mechanisms that are alleged to be at their basis. We found that these authors inappropriately employ a deductive reasoning approach based on syllogism. We found that their conclusions are not supported by the available scientific evidence. Thus, the mechanisms and vast range of conditions proposed to result from glyphosate toxicity presented by Samsel and Seneff in their commentaries are at best unsubstantiated theories, speculations, or simply incorrect. This misrepresentation of glyphosate's toxicity misleads the public, the scientific community, and regulators. Although evidence exists that glyphosate-based herbicides are toxic below regulatory set safety limits, the arguments of Samsel and Seneff largely serve to distract rather than to give a rational direction to much needed future research investigating the toxicity of these pesticides, especially at levels of ingestion that are typical for human populations. PMID- 29226122 TI - Does Mineralocorticoid Receptor Antagonism Prevent Calcineurin Inhibitor-Induced Nephrotoxicity? AB - Calcineurin inhibitors have markedly reduced acute rejection rates in renal transplantation, thus significantly improved short-term outcome. The beneficial effects are, however, tampered by acute and chronic nephrotoxicity leading to interstitial fibrosis and tubular atrophy, which impairs long-term allograft survival. The mineralocorticoid hormone aldosterone induces fibrosis in numerous organs, including the kidney. Evidence from animal models suggests a beneficial effect of aldosterone antagonism in reducing calcineurin inhibitor-induced nephrotoxicity. This review summarizes current evidence of mineralocorticoid receptor antagonism in animal models of calcineurin inhibitor-induced nephrotoxicity and the results from studies of mineralocorticoid antagonism in renal transplant patients. PMID- 29226123 TI - Open Repair of a 12-cm Posttraumatic Aneurysm of Right Subclavian Artery. AB - Purpose: To present a rare case of a patient with a 12-cm posttraumatic right subclavian artery aneurysm successfully treated with aneurysmectomy and innominate-axillary bypass. Case report: A 54-year-old man presented to the emergency department due to progressive dyspnea and hoarseness of voice. His medical record was unremarkable except that he had right-sided pneumothorax and multiple rib fractures from a car accident 16 years ago. A chest X-ray showed a mass in the upper lobe of the right lung, and the patient was hospitalized for further investigation. A computed tomography (CT) with intravenous contrast of the thorax was performed, which depicted a giant aneurysm of the right subclavian artery. Vascular and cardiothoracic surgeons were consulted immediately, and the operation was scheduled. Aneurysmectomy and innominate-axillary bypass were performed. The patient had an uncomplicated progress and was discharged on 5 days followed by a single antiplatelet therapy and symptom-free. Conclusion: Posttraumatic subclavian artery aneurysm is a rare entity. Imaging of the thorax is essential for the diagnosis and surgical preparation of the patient. Open repair remains the gold standard therapy for subclavian artery aneurysm despite the improvements in endovascular surgery in such huge aneurysms. PMID- 29226125 TI - Stattic Enhances Radiosensitivity and Reduces Radio-Induced Migration and Invasion in HCC Cell Lines through an Apoptosis Pathway. AB - Purpose: Signal transducer and activator of transcription factor 3 (STAT3) is involved in tumorigenesis, development, and radioresistance of many solid tumors. The aim of this study is to investigate the effects of stattic (an inhibitor of STAT3) on the radiosensitivity and radio-induced migration and invasion ability in hepatocellular carcinoma (HCC) cell lines. Methods: HCC cells were treated with stattic, and cell survival rate was analyzed through CCK-8 assay. Radiosensitivity was evaluated using cloning formation analysis; STAT3, p-STAT3, and apoptosis related proteins were detected by western blot. Radio-induced migration and invasion ability in HCC cells were analyzed by wound-healing assay and transwell test. Results: Stattic inhibits the expression of p-STAT3 and reduces cell survival in a dose-dependent manner in HCC cell lines, and the IC50 values for Hep G2, Bel-7402, and SMMC-7721 are 2.94 MUM, 2.5 MUM, and 5.1 MUM, respectively. Cloning formation analysis shows that stattic enhances the radiosensitivity of HCC cells. Wound-healing assay and transwell test show that stattic inhibits radio-induced migration and invasion. Further study indicates that stattic promotes radio-induce apoptosis through regulating the expression of apoptosis related proteins in HCC cells. Conclusion: Stattic enhances radiosensitivity and reduces radio-induced migration and invasion ability in HCC cells probably through apoptosis pathway. PMID- 29226126 TI - Prevalence of Autonomic Dysreflexia in Patients with Spinal Cord Injury above T6. AB - Objective: To investigate the prevalence of autonomic dysreflexia (AD) using ambulatory blood pressure monitoring (ABPM) and the autonomic dysfunction following spinal cord injury (ADFSCI) questionnaire in patients with spinal cord injury (SCI) above T6. Methods: Twenty-eight patients diagnosed with SCI above T6 were enrolled. ABPM and ADFSCI were utilized to assess AD. Using ABPM, systolic blood pressure (SBP), diastolic blood pressure, and heart rate (HR) were measured at 30-minute intervals. AD was defined as SBP 20 mmHg higher than basal SBP, and the number of AD events was counted. The ADFSCI questionnaire evaluates the severity and frequency of the AD symptoms. Results: According to the ABPM, AD occurred in 26 patients and AD events occurred 5.8 +/- 4.7 times. Average daytime and nighttime SBP were 119.9 +/- 18.8 mmHg and 123.8 +/- 21.2 mmHg, respectively, and the nighttime mean SBP appeared to be 4 mmHg higher than daytime mean SBP. These findings suggest the loss of nocturnal BP dipping in SCI patients. ADFSCI results revealed that 16 of the patients evaluated were symptomatic while 12 were asymptomatic. Conclusion: AD following SCI above T6 was highly prevalent and several patients seemed asymptomatic. These results suggest the necessity of proper diagnostic and therapeutic interventions for managing AD. PMID- 29226127 TI - The Kinase STK3 Interacts with the Viral Structural Protein VP1 and Inhibits Foot and-Mouth Disease Virus Replication. AB - Foot-and-mouth disease virus (FMDV) is the etiological agent of FMD, which affects domestic and wild cloven-hoofed animals. The structural protein VP1 plays an important role in FMDV pathogenesis. However, the interacting partners of VP1 in host cells and the effects of these interactions in FMDV replication remain incompletely elucidated. Here, we identified a porcine cell protein, serine/threonine kinase 3 (STK3), which interacts with FMDV VP1 using the yeast two-hybrid system. The VP1-STK3 interaction was further confirmed by coimmunoprecipitation experiments in human embryonic kidney 293T and porcine kidney 15 (PK-15) cells. The carboxyl-terminal region (amino acids 180-214) of VP1 was essential for its interaction with STK3. The effects of overexpression and underexpressing of STK3 in PK-15 cells were assessed, and the results indicated that STK3 significantly inhibited FMDV replication. Our data expand the role of STK3 during viral infection, provide new information regarding the host cell kinases that are involved in viral replication, and identify potential targets for future antiviral strategies. PMID- 29226128 TI - Amplitude, Latency, and Peak Velocity in Accommodation and Disaccommodation Dynamics. AB - The aim of this work was to ascertain whether there are differences in amplitude, latency, and peak velocity of accommodation and disaccommodation responses when different analysis strategies are used to compute them, such as fitting different functions to the responses or for smoothing them prior to computing the parameters. Accommodation and disaccommodation responses from four subjects to pulse changes in demand were recorded by means of aberrometry. Three different strategies were followed to analyze such responses: fitting an exponential function to the experimental data; fitting a Boltzmann sigmoid function to the data; and smoothing the data. Amplitude, latency, and peak velocity of the responses were extracted. Significant differences were found between the peak velocity in accommodation computed by fitting an exponential function and smoothing the experimental data (mean difference 2.36 D/s). Regarding disaccommodation, significant differences were found between latency and peak velocity, calculated with the two same strategies (mean difference of 0.15 s and 3.56 D/s, resp.). The strategy used to analyze accommodation and disaccommodation responses seems to affect the parameters that describe accommodation and disaccommodation dynamics. These results highlight the importance of choosing the most adequate analysis strategy in each individual to obtain the parameters that characterize accommodation and disaccommodation dynamics. PMID- 29226129 TI - The Relationship between Dental Follicle Width and Maxillary Impacted Canines' Descriptive and Resorptive Features Using Cone-Beam Computed Tomography. AB - Objectives: To assess the relationship between dental follicle width and maxillary impacted canines' descriptive and resorptive features with three dimensional (3D) cone-beam computed tomography (CBCT). Methods: The study comprised 102 patients with cone-beam computed tomography 3D images and a total of 140 impacted canines. The association between maxillary impacted canine dental follicle width and the variables of gender, impaction side (right and left), localization of impacted canine (buccal, central, and palatal), and resorption of the adjacent laterals was compared. Measurements were analyzed with Student's t test, Kruskal-Wallis test, and Mann-Whitney U statistical test. Results: According to gender, no statistically significant differences were found in the follicle size of the maxillary impacted canine between males and females (p > 0.05). Widths of the follicles were determined for the right and left impaction sides, and no statistically significant relation was found (p > 0.05). There were statistically significant differences between root resorption degrees of lateral incisors and maxillary impacted canine follicle width (p < 0.05). Statistically significant higher follicle width values were present in degree 2 (mild) resorption than in degree 1 (no) and degree 3 (moderate) resorption samples (p < 0.05). Conclusions: No significant correlation was found between follicle width and the variables of gender, impaction side, and localization of maxillary impacted canines. Our study could not confirm that increased dental follicle width of the maxillary impacted canines exhibited more resorption risk for the adjacent lateral incisors. PMID- 29226130 TI - In Vitro Activity of Lactobacilli with Probiotic Potential Isolated from Cocoa Fermentation against Gardnerella vaginalis. AB - Study of the probiotic potential of microorganisms isolated from fermented foods has been increasing, especially studies related to lactobacilli. In intestinal models, lactobacilli have demonstrated beneficial properties, such as anti inflammatory activity and increased antibody production, but the molecular mechanisms involving probiotic and antagonistic action as well as their effect on human vaginal cells have not yet been fully elucidated. The aim of this study was to evaluate the functional and antagonistic properties of three strains of lactobacilli isolated from cocoa fermentation (Lactobacillus fermentum 5.2, L. plantarum 6.2, and L. plantarum 7.1) against Gardnerella vaginalis. Our results show that the lactobacilli have potential use as probiotics, since they have high hydrophobicity and autoaggregation properties and effectively adhere to vaginal cells. Metabolites secreted into the culture medium and whole cells of the strains under study are capable of interfering with the growth of G. vaginalis to different degrees. The elucidation of the antagonistic mechanisms as well as their effect on human cells may be useful in the development of a product containing such microorganisms or products secreted by them. PMID- 29226124 TI - Epigenetic and Neural Circuitry Landscape of Psychotherapeutic Interventions. AB - The science behind psychotherapy has garnered considerable interest, as objective measures are being developed to map the patient's subjective change over the course of treatment. Prenatal and early life influences have a lasting impact on how genes are expressed and the manner in which neural circuits are consolidated. Transgenerationally transmitted epigenetic markers as well as templates of enhanced thought flexibility versus evasion can be passed down from parent to child. This influences gene expression/repression (impacting neuroplasticity) and kindling of neurocircuitry which can perpetuate maladaptive cognitive processing seen in a number of psychiatric conditions. Importantly, genetic factors and the compounding effects of early life adversity do not inexorably lead to certain fated outcomes. The concepts of vulnerability and resilience are becoming more integrated into the framework of "differential susceptibility," speaking to how corrective environmental factors may promote epigenetic change and reconfigure neural templates, allowing for symptomatic improvement. Psychotherapy is one such factor, and this review will focus on our current knowledge of its epigenetic and neurocircuitry impact. PMID- 29226131 TI - Risk Factors of Delirium in Sequential Sedation Patients in Intensive Care Units. AB - Background: Delirium is a primary adverse event in ventilated patients who receive long-term monosedative treatment. Sequential sedation may reduce these adverse effects. This study evaluated risk factors for delirium in sequential sedation patients. Methods: A total of 141 patients who underwent sequential sedation were enrolled. Delirium was diagnosed using Confusion Assessment Method for the Intensive Care Unit (CAM-ICU) scale. Univariate and multivariate Cox proportional hazards regressions were used to predict risk factors. Results: Older age (>=51) (RR = 2.432, 95% CL 1.316-4.494, p = 0.005), higher SOFA score (>=14) (RR = 2.022, 95% CL 1.076-3.798, p = 0.029), regular smoking (RR = 2.366, 95% CL 1.277-4.382, p = 0.006), and higher maintenance dose of midazolam (RR = 1.052, 95% CL 1.000-1.107, p = 0.049) and fentanyl (RR = 1.045, 95% CL 1.019 1.072, p = 0.001) when patients met sequential criteria, were independent risk factors of delirium. Sequential sedation with dexmedetomidine (RR = 0.448, 95% CL 0.209-0.963, p = 0.040) was associated with a lower risk of delirium. Conclusions: Older age, higher SOFA score, regular smoking, and higher maintenance dose of midazolam and fentanyl when patients met sequential criteria were independent risk factors of delirium in sequential sedation patients. Sequential sedation with dexmedetomidine reduced risk of delirium. PMID- 29226132 TI - Effective Range of Percutaneous Posterior Full-Endoscopic Paramedian Cervical Disc Herniation Discectomy and Indications for Patient Selection. AB - The objective was to investigate the effective and safe range of paramedian CDH by percutaneous posterior full-endoscopy cervical intervertebral disc nucleus pulposus resection (PPFECD) to provide a reference for indications and patient selection. Sixteen patients with CDH satisfied the inclusion criteria. Before surgery the patients underwent cervical spine MRI, and the distance between the dural sac and herniated disc was measured. An assessment was performed by MRI immediately after surgery, measuring the distance between dural sac and medial border of discectomy (DSMD). The preoperative average distance between the dural sac and peak of the herniated disc (DSPHD) was 3.87 +/- 1.32 mm; preoperative average distance between dural sac and medial border of herniated disc (DSMHD) was 6.91 +/- 1.21 mm and an average distance of postoperative DSMD was 5.41 +/- 1.40 mm. Postoperative VAS of neck and shoulder pain was significantly decreased but JOA was significantly increased in each time point compared with preoperative ones. In summary, the effective range of PPFECD to treat paramedian CDH was 5.41 +/- 1.40 mm, indicating that DSMHD and DSPHD were within 6.91 +/- 1.21 mm and 3.87 +/- 1.32 mm, respectively. PPFECD surgery is, therefore, a safe and effective treatment option for patients with partial paramedian cervical disc herniation. PMID- 29226133 TI - Circulating Interferon-lambda3, Responsiveness to HBV Vaccination, and HBV/HCV Infections in Haemodialysis Patients. AB - The IFN-lambda3 gene (IFNL3) plays a role in HCV clearance. We investigated circulating IFN-lambda3 and IFNL3 SNPs in haemodialysis patients who differed in their response to HBV vaccination and their HBV/HCV infection status. In 201 patients, plasma IFN-lambda3 was determined using ELISA. IFNL3 SNPs (rs12979860, rs8099917) were genotyped using HRM analysis. Differences in IFN-lambda3 levels were shown between responders and nonresponders to HBV vaccination and between HBsAg-positive patients and those who developed anti-HBs after infection and became HBsAg negative. HBV vaccine responders without HCV resolution revealed lower IFN-lambda3 than noninfected responders. HBsAg/HCV RNA-positive subjects showed lower IFN-lambda3 than patients positive only for HCV RNA or subjects who resolved both infections. Circulating IFN-lambda3 correlated positively with anti HBs and negatively with positive HCV RNA testing in the adjusted regression analyses. HBV vaccine nonresponders, HBsAg-positive patients, and subjects with replicating HCV composed a group with unfavourable outcomes. Responders to HBV vaccination, subjects who became HBsAg negative, and those who cleared HCV were analysed as having favourable outcomes. The latter showed higher IFN-lambda3 but did not differ in distribution of IFNL3 SNPs compared with subjects with unfavourable outcomes. Higher IFN-lambda3 concentrations are associated with response to HBV vaccination, self-limited HBV infection, and HCV resolution. PMID- 29226134 TI - Success Rates of Pulpotomies in Primary Molars Using Calcium Silicate-Based Materials: A Randomized Control Trial. AB - Objective: The aim of this study was to evaluate and compare, both clinically and radiographically, the effects of calcium silicate-based materials (i.e., ProRoot MTA [PR-MTA], MTA-Plus [MTA-P], and Biodentine [BD]) and ferric sulfate [FS] in pulpotomy of primary molars. Materials and Methods: In this randomized clinical trial, 29 healthy 5- to 7-year-old children with at least four carious primary molars with no clinical or radiographic evidence of pulp degeneration were enrolled. The pulpotomy agents were assigned as follows: Group 1: BD; Group 2: MTA-P; Group 3: PR-MTA; and Group 4: FS. Clinical and radiographic evaluations were performed at 6, 12, and 24 months. Data were analyzed using chi-square tests. Results: Total success rates at 24 months were 82.75%, 86.2%, 93.1%, and 75.86%, respectively. No statistically significant differences in total success rates were observed among the groups at 6-, 12-, and 24-month follow-ups. When the groups were compared according to follow-up times, the success rates in each group did not vary significantly among the 6-12-month, 6-24-month, or 12-24-month periods (p > 0.05). Conclusion: Although the success rates of BD, MTA-P, MTA-PR, and FS did not differ significantly, calcium silicate-based materials appeared to be more appropriate than FS in clinical practice. PMID- 29226135 TI - A Novel Cyclophilin B Gene in the Red Tide Dinoflagellate Cochlodinium polykrikoides: Molecular Characterizations and Transcriptional Responses to Environmental Stresses. AB - The marine dinoflagellate Cochlodinium polykrikoides is one of the most common ichthyotoxic species that causes harmful algal blooms (HABs), which leads to ecological damage and huge economic loss in aquaculture industries. Cyclophilins (CYPs) belong to the immunophilin superfamily, and they may play a role in the survival mechanisms of the dinoflagellate in stress environments. In the present study, we identified a novel cyclophilin gene from C. polykrikoides and examined physiological and gene transcriptional responses to biocides copper sulphate (CuSO4) and sodium hypochlorite (NaOCl). The full length of CpCYP was 903 bp, ranging from the dinoflagellate splice leader (DinoSL) sequence to the polyA tail, comprising a 639 bp ORF, a 117 bp 5'-UTR, and a 147 bp 3'-UTR. Motif and phylogenetic comparisons showed that CpCYP was affiliated to group B of CYP. In biocide stressors, cell counts, chlorophyll a, and photosynthetic efficiency (Fv/Fm) of C. polykrikoides were considerably decreased in both exposure time- and dose-dependent manners. In addition, CpCYP gene expression was significantly induced after 24 h exposure to the biocide-treated stress conditions. These results indicate an effect of the biocides on the cell physiology and expression profile of CpCYP, suggesting that the gene may play a role in environmental stress responses. PMID- 29226137 TI - Identification of Key Pathways and Genes in Advanced Coronary Atherosclerosis Using Bioinformatics Analysis. AB - Background: Coronary artery atherosclerosis is a chronic inflammatory disease. This study aimed to identify the key changes of gene expression between early and advanced carotid atherosclerotic plaque in human. Methods: Gene expression dataset GSE28829 was downloaded from Gene Expression Omnibus (GEO), including 16 advanced and 13 early stage atherosclerotic plaque samples from human carotid. Differentially expressed genes (DEGs) were analyzed. Results: 42,450 genes were obtained from the dataset. Top 100 up- and downregulated DEGs were listed. Functional enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) identification were performed. The result of functional and pathway enrichment analysis indicted that the immune system process played a critical role in the progression of carotid atherosclerotic plaque. Protein-protein interaction (PPI) networks were performed either. Top 10 hub genes were identified from PPI network and top 6 modules were inferred. These genes were mainly involved in chemokine signaling pathway, cell cycle, B cell receptor signaling pathway, focal adhesion, and regulation of actin cytoskeleton. Conclusion: The present study indicated that analysis of DEGs would make a deeper understanding of the molecular mechanisms of atherosclerosis development and they might be used as molecular targets and diagnostic biomarkers for the treatment of atherosclerosis. PMID- 29226136 TI - A New Platelet-Aggregation-Inhibiting Factor Isolated from Bothrops moojeni Snake Venom. AB - This work reports the purification and functional characterization of BmooPAi, a platelet-aggregation-inhibiting factor from Bothrops moojeni snake venom. The toxin was purified by a combination of three chromatographic steps (ion-exchange on DEAE-Sephacel, molecular exclusion on Sephadex G-75, and affinity chromatography on HiTrapTM Heparin HP). BmooPAi was found to be a single-chain protein with an apparent molecular mass of 32 kDa on 14% SDS-PAGE, under reducing conditions. Sequencing of BmooPAi by Edman degradation revealed the amino acid sequence LGPDIVPPNELLEVM. The toxin was devoid of proteolytic, haemorrhagic, defibrinating, or coagulant activities and induced no significant oedema or hyperalgesia. BmooPAi showed a rather specific inhibitory effect on ristocetin induced platelet aggregation in human platelet-rich plasma, whereas it had little or no effect on platelet aggregation induced by collagen and adenosine diphosphate. The results presented in this work suggest that BmooPAi is a toxin comprised of disintegrin-like and cysteine-rich domains, originating from autolysis/proteolysis of PIII SVMPs from B. moojeni snake venom. This toxin may be of medical interest because it is a platelet aggregation inhibitor, which could potentially be developed as a novel therapeutic agent to prevent and/or treat patients with thrombotic disorders. PMID- 29226139 TI - Stochastic Dosimetry for the Assessment of Children Exposure to Uniform 50 Hz Magnetic Field with Uncertain Orientation. AB - This study focused on the evaluation of the exposure of children aging from five to fourteen years to 50 Hz homogenous magnetic field uncertain orientation using stochastic dosimetry. Surrogate models allowed assessing how the variation of the orientation of the magnetic field influenced the induced electric field in each tissue of the central nervous system (CNS) and in the peripheral nervous system (PNS) of children. Results showed that the electric field induced in CNS and PNS tissues of children were within the ICNIRP basic restrictions for general public and that no significant difference was found in the level of exposure of children of different ages when considering 10000 possible orientations of the magnetic field. A "mean stochastic model," useful to estimate the level of exposure in each tissue of a representative child in the range of age from five to fourteen years, was developed. In conclusion, this study was useful to deepen knowledge about the ELF-MF exposure, including the evaluation of variable and uncertain conditions, thus representing a step towards a more realistic characterization of the exposure to EMF. PMID- 29226138 TI - Effects of Astaxanthin on Reverse Cholesterol Transport and Atherosclerosis in Mice. AB - High plasma level of HDL-cholesterol (HDL-C) has been consistently associated with a decreased risk of atherosclerosis (AS); thus, HDL-C is considered to be an antiatherogenic lipoprotein. The development of novel therapies to enhance the atheroprotective properties of HDL may have the possibility of further reducing the residual AS risk. Reverse cholesterol transport (RCT) is believed to be a primary atheroprotective activity of HDL, which has been shown to promote the efflux of excess cholesterol from macrophage-derived foam cells via ATP-binding cassette transporter A1 (ABCA1), ATP-binding cassette transporter G1 (ABCG1), and scavenger receptor class B type I (SR-BI) and then transport it back to the liver for excretion into bile and eventually into the feces. In the current study, we investigated the effects of astaxanthin on RCT and AS progression in mice. The results showed that short- and long-term supplementation of astaxanthin promote RCT in C57BL/6J and ApoE-/- mice, respectively. Moreover, astaxanthin can relieve the plaque area of the aortic sinus and aortic cholesterol in mice. These findings suggest that astaxanthin is beneficial for boosting RCT and preventing the development of AS. PMID- 29226140 TI - Prevalence of Helicobacter pylori vacA Genotypes and cagA Gene in Dental Plaque of Asymptomatic Mexican Children. AB - The variability in Helicobacter pylori vacA and cagA genes has been related to the progression of the gastrointestinal disease; also the presence of H. pylori in the oral cavity has been associated with periodontal disease in adults, but, in children without dyspeptic symptoms, little is known about this. We evaluated the prevalence of H. pylori and the presence of vacA/cagA genotypes in the oral cavity of Mexican children without dyspeptic symptoms. The gingival status was measured, and dental plaque samples (n = 100) were taken. 38% of children were positive for H. pylori 16S rRNA gene by qPCR. A significant association between H. pylori oral infection and gingival status was observed (P < 0.001). In 34.6% (9/26) of mild gingivitis cases, s1m2 genotype was found, while s1m1 was typed in 50% (3/6) of moderate gingivitis. The cagA prevalence among H. pylori-positive children was 80.8% (21/26), 83.3% (5/6), and 16.7% (1/6) of cases of mild gingivitis, moderate gingivitis, and nongingivitis, respectively (P < 0.001). The s1m1/cagA+ combinational genotype was the most detected in children with gingivitis. Our results suggest that the prevalence of H. pylori and detection of vacA/cagA genotypes-associated gastrointestinal disease in the oral cavity could be related to the progression of gingivitis in asymptomatic children. PMID- 29226141 TI - Evaluation of Immunosuppressive Therapy Use for Tracheal Transplantation with Trachea-Mimetic Bellows Scaffolds in a Rabbit Model. AB - The objective of this study was to evaluate the use of immunosuppressive therapy with high-dose cyclosporine, high-dose azathioprine, and a combination of low dose cyclosporine and azathioprine after tracheal reconstruction by using a trachea-mimetic graft of polycaprolactone (PCL) bellows-type scaffold in a rabbit model. Twenty-four healthy New Zealand white rabbits were used in the study. All underwent circumferential tracheal replacement using tissue-engineered tracheal graft, prepared from PCL bellows scaffold reinforced with silicone ring, collagen hydrogel, and human turbinate mesenchymal stromal cell (hTMSC) sheets. The control group (Group 1) received no medication. The three experimental groups were given daily cyclosporine intramuscular doses of 10 mg/kg (Group 2), azathioprine oral doses of 5 mg/kg (Group 3), and azathioprine oral doses of 2.5 mg/kg plus cyclosporine intramuscular doses of 5 mg/kg (Group 4) for 4 weeks or until death. Group 1 had longer survival times compared to Group 2 or Group 3. Each group except for Group 1 experienced decreases in amount of nutrition and weight loss. In addition, compared with the other groups, Group 2 had significantly increased serum interleukin-2 and interferon-gamma levels 7 days after transplantation. The results of this study showed that the administration of cyclosporine and/or azathioprine after tracheal transplantation had no beneficial effects. Furthermore, the administration of cyclosporine had side effects, including extreme weight loss, respiratory distress, and diarrhea. Therefore, cyclosporine and azathioprine avoidance may be recommended for tracheal reconstruction using a native trachea-mimetic graft of PCL bellows-type scaffold in a rabbit model. PMID- 29226142 TI - Computational Exploration for Lead Compounds That Can Reverse the Nuclear Morphology in Progeria. AB - Progeria is a rare genetic disorder characterized by premature aging that eventually leads to death and is noticed globally. Despite alarming conditions, this disease lacks effective medications; however, the farnesyltransferase inhibitors (FTIs) are a hope in the dark. Therefore, the objective of the present article is to identify new compounds from the databases employing pharmacophore based virtual screening. Utilizing nine training set compounds along with lonafarnib, a common feature pharmacophore was constructed consisting of four features. The validated Hypo1 was subsequently allowed to screen Maybridge, Chembridge, and Asinex databases to retrieve the novel lead candidates, which were then subjected to Lipinski's rule of 5 and ADMET for drug-like assessment. The obtained 3,372 compounds were forwarded to docking simulations and were manually examined for the key interactions with the crucial residues. Two compounds that have demonstrated a higher dock score than the reference compounds and showed interactions with the crucial residues were subjected to MD simulations and binding free energy calculations to assess the stability of docked conformation and to investigate the binding interactions in detail. Furthermore, this study suggests that the Hits may be more effective against progeria and further the DFT studies were executed to understand their orbital energies. PMID- 29226143 TI - Self-Conjugation of the Enteropathogenic Escherichia coli Adherence Factor Plasmid of Four Typical EPEC Isolates. AB - The enteropathogenic Escherichia coli (EPEC) adherence factor plasmid (pEAF) encodes the proteins involved in the biogenesis of the bundle-forming pilus (BFP), a key virulence factor that mediates microcolony formation and the localized adherence phenotype on the surface of the host enterocytes. The presence or absence of this plasmid defines typical EPEC (tEPEC) and atypical EPEC (aEPEC), respectively. Although lateral transfer of pEAF has been evidenced by phylogenetic studies, conjugal transfer ability has been experimentally established only for two pEAF plasmids from strains isolated in the late 60s. In the present work, we tested the self-conjugation ability of four pEAF plasmids from tEPEC strains isolated between 2007 and 2008 from children in Peru and the potential of aEPEC to receive them. A kanamycin resistance cassette was inserted into donor pEAF plasmids in order to provide a selectable marker in the conjugation experiments. Two aEPEC isolated from the same geographic region were used as recipient strains along with the laboratory E. coli DH5alpha strain. Here we show that the four pEAF plasmids tested are self-conjugative, with transfer frequencies in the range of 10-6 to 10-9. Moreover, the generation of aEPEC strains harboring pEAF plasmids provides valuable specimens to further perform functional studies. PMID- 29226144 TI - Bioremediation: An Overview on Current Practices, Advances, and New Perspectives in Environmental Pollution Treatment. PMID- 29226145 TI - Surgical Treatment with Locoregional Flaps for the Eyelid: A Review. AB - Reconstruction of the eyelids after skin cancer excision can be challenging. Surgical treatment options are multiple; deep anatomy knowledge of lamellar components is mandatory to choose the most adequate surgical planning. Eyelids' role in vision and social relationship is critical; both function and aesthetics are tough to restore. Using a flap provides a satisfying texture and colour match with adjacent tissues and ensures short contraction during healing; furthermore, grafts are sometimes necessary to achieve pleasing results. Hundreds of surgical techniques have been described aiming for eyelid reconstruction; in our paper, we want to provide for our audience the most reliable and useful procedures for subtotal and total eyelid reconstruction following NMSC full-thickness excision. PMID- 29226147 TI - Antifungal Activity of Aqueous Extracts of Some Dominant Algerian Medicinal Plants. AB - Aim: This study investigated the antifungal properties of aqueous extracts obtained from indigenous plants that grow spontaneously in the Northern Sahara of Algeria. The activities of these plants in controlling two fungal species that belong to Fusarium genus were evaluated in an in vitro assay. Materials and Methods: Fresh aerial parts of four plant species (Artemisia herba alba, Cotula cinerea, Asphodelus tenuifolius, and Euphorbia guyoniana) were collected for the preparation of aqueous extracts. Two levels of dilution (10% and 20%) of the pure extracts were evaluated against Fusarium graminearum and Fusarium sporotrichioides. Results: The results of this study revealed that the A. herba alba, C. cinerea, A. tenuifolius, and E. guyoniana aqueous extracts are effective at both concentrations of 10% and 20% for the Fusarium mycelia growth inhibition. In particular, A. tenuifolius extract is effective against F. graminearum, whereas F. sporotrichioides mycelium growth is strongly affected by the E. guyoniana 20% extract. The phytochemical characterization of the compositions of the aqueous extracts has revealed that the presence of some chemical compounds (tannins, flavonoids, saponins, steroids, and alkaloids) is likely to be responsible for the antifungal activities sought. Conclusion: The antifungal properties of A. herba alba, C. cinerea, A. tenuifolius, and E. guyoniana make these plants of potential interest for the control of fungi affecting both wheat yield and safety. PMID- 29226146 TI - Heparanase Inhibition Reduces Glucose Levels, Blood Pressure, and Oxidative Stress in Apolipoprotein E Knockout Mice. AB - Background: Atherosclerosis is a multifactorial process. Emerging evidence highlights a role of the enzyme heparanase in various disease states, including atherosclerosis formation and progression. Objective: The aim of the study was to investigate the effect of heparanase inhibition on blood pressure, blood glucose levels, and oxidative stress in apoE-/- mice. Methods: Male apoE-/- mice were divided into two groups: one treated by the heparanase inhibitor PG545, administered intraperitoneally weekly for seven weeks, and the other serving as control group (injected with saline). Blood pressure was measured a day before sacrificing the animals. Serum glucose levels and lipid profile were measured. Assessment of oxidative stress was performed as well. Results: PG545 significantly lowered blood pressure and serum glucose levels in treated mice. It also caused significant reduction of the serum oxidative stress. For safety concerns, liver enzymes were assessed, and PG545 caused significant elevation only of alanine aminotransferase, but not of the other hepatic enzymes. Conclusion: Heparanase inhibition by PG545 caused marked reduction of blood pressure, serum glucose levels, and oxidative stress in apolipoprotein E deficient mice, possibly via direct favorable metabolic and hemodynamic changes caused by the inhibitor. Possible hepatotoxic and weight wasting effects are subject for future investigation. PMID- 29226148 TI - Transition from Deep Regional Blocks toward Deep Nerve Hydrodissection in the Upper Body and Torso: Method Description and Results from a Retrospective Chart Review of the Analgesic Effect of 5% Dextrose Water as the Primary Hydrodissection Injectate to Enhance Safety. AB - Deep nerve hydrodissection uses fluid injection under pressure to purposely separate nerves from areas of suspected fascial compression, which are increasingly viewed as potential perpetuating factors in recalcitrant neuropathic pain/complex regional pain. The usage of 5% dextrose water (D5W) as a primary injectate for hydrodissection, with or without low dose anesthetic, could limit anesthetic-related toxicity. An analgesic effect of 5% dextrose water (D5W) upon perineural injection in patients with chronic neuropathic pain has recently been described. Here we describe ultrasound-guided methods for hydrodissection of deep nerve structures in the upper torso, including the stellate ganglion, brachial plexus, cervical nerve roots, and paravertebral spaces. We retrospectively reviewed the outcomes of 100 hydrodissection treatments in 26 consecutive cases with a neuropathic pain duration of 16 +/- 12.2 months and the mean Numeric Pain Rating Scale (NPRS) 0-10 pain level of 8.3 +/- 1.3. The mean percentage of analgesia during each treatment session involving D5W injection without anesthetic was 88.1% +/- 9.8%. The pretreatment Numeric Pain Rating Scale score of 8.3 +/- 1.3 improved to 1.9 +/- 0.9 at 2 months after the last treatment. Patients received 3.8 +/- 2.6 treatments over 9.7 +/- 7.8 months from the first treatment to the 2-month posttreatment follow-up. Pain improvement exceeded 50% in all cases and 75% in half. Our results confirm the analgesic effect of D5W injection and suggest that hydrodissection using D5W provides cumulative pain reduction. PMID- 29226149 TI - Role of P-Glycoprotein Inhibitors in the Bioavailability Enhancement of Solid Dispersion of Darunavir. AB - Objective: The aim of the present study was to improve bioavailability of an important antiretroviral drug, Darunavir (DRV), which has low water solubility and poor intestinal absorption through solid dispersion (SD) approach incorporating polymer with P-glycoprotein inhibitory potential. Methods: A statistical approach where design of experiment (DoE) was used to prepare SD of DRV with incorporation of P-glycoprotein inhibitors. Using DoE, different methods of preparation, like melt, solvent evaporation, and spray drying method, utilizing carriers like Kolliphor TPGS and Soluplus were evaluated. The optimized SD was characterized by DSC, FTIR, XRD, and SEM and further evaluated for enhancement in absorption using everted gut sac model, effect of food on absorption of DRV, and in vivo prospect. Results and Discussion: DSC, FTIR, XRD, and SEM confirmed the amorphicity of drug in SD. Oral bioavailability studies revealed better absorption of DRV when given with food. Absorption studies and in vivo study findings demonstrated great potential of Kolliphor TPGS as P glycoprotein inhibitor for increasing intestinal absorption and thus bioavailability of DRV. Conclusion: It is concluded that SD of DRV with the incorporation of Kolliphor TPGS was potential and promising approach in increasing bioavailability of DRV as well as minimizing its extrusion via P glycoprotein efflux transporters. PMID- 29226150 TI - Transversus Abdominis Plane Block: An Updated Review of Anatomy and Techniques. AB - Purpose of Review: Transversus abdominis plane (TAP) block is a regional technique for analgesia of the anterolateral abdominal wall. This review highlights the nomenclature system and recent advances in TAP block techniques and proposes directions for future research. Recent Findings: Ultrasound guidance is now considered the gold standard in TAP blocks. It is easy to acquire ultrasound images; it can be used in many surgeries involving the anterolateral abdominal wall. However, the efficacy of ultrasound-guided TAP blocks is not consistent, which might be due to the use of different approaches. The choice of technique influences the involved area and block duration. To investigate the actual analgesic effects of TAP blocks, we unified the nomenclature system and clarified the definition of each technique. Although a single-shot TAP block is limited in duration, it is still the candidate of the analgesic standard for abdominal wall surgery because the use of the catheter technique and liposomal bupivacaine may overcome this limitation. Summary: Ultrasound-guided TAP blocks are commonly used. With the unified nomenclature and the development of catheter technique and/or liposomal local anesthetics, TAP blocks can be applied more appropriately to achieve better pain control. PMID- 29226151 TI - In Vitro/In Silico Study on the Role of Doubling Time Heterogeneity among Primary Glioblastoma Cell Lines. AB - The application of accurate cancer predictive algorithms validated with experimental data is a field concerning both basic researchers and clinicians, especially regarding a highly aggressive form of cancer, such as Glioblastoma. In an aim to enhance prediction accuracy in realistic patient-specific environments, accounting for both inter- and intratumoral heterogeneity, we use patient-derived Glioblastoma cells from different patients. We focus on cell proliferation using in vitro experiments to estimate cell doubling times and sizes for established primary Glioblastoma cell lines. A preclinically driven mathematical model parametrization is accomplished by taking into account the experimental measurements. As a control cell line we use the well-studied U87MG cells. Both in vitro and in silico results presented support that the variance between tumor staging can be attributed to the differential proliferative capacity of the different Glioblastoma cells. More specifically, the intratumoral heterogeneity together with the overall proliferation reflected in both the proliferation rate and the mechanical cell contact inhibition can predict the in vitro evolution of different Glioblastoma cell lines growing under the same conditions. Undoubtedly, additional imaging techniques capable of providing spatial information of tumor cell physiology and microenvironment will enhance our understanding regarding Glioblastoma nature and verify and further improve our predictability. PMID- 29226152 TI - The Phytoestrogen Genistein Produces Similar Effects as 17beta-Estradiol on Anxiety-Like Behavior in Rats at 12 Weeks after Ovariectomy. AB - The phytoestrogen genistein produces anxiolytic-like effects in ovariectomized rats, which highlights its potential therapeutic effect in ameliorating anxiety in surgical menopausal women. However, no studies have directly compared the effects of identical doses of genistein and 17beta-estradiol, the main estrogen used in hormone replacement therapy in menopausal women. The present study evaluated the anxiolytic-like effects of identical doses of genistein and 17beta estradiol (0.045, 0.09, and 0.18 mg/kg/7 days, s.c.) in a surgical menopause model in rats in the elevated plus maze and locomotor activity tests at 12 weeks after ovariectomy. Additionally, the participation of estrogen receptor-beta in the anxiolytic-like effect of genistein and 17beta-estradiol was explored by previous administration of the 5 mg/kg tamoxifen antagonist. Genistein and 17beta estradiol (0.09 and 0.18 mg/kg) similarly reduced anxiety-like behavior in the elevated plus maze and also increased the time spent grooming and rearing, without affecting crossing in locomotor activity test. These effects were blocked by tamoxifen. Present results indicate that the phytoestrogen genistein has a similar behavioral profile as 17beta-estradiol in rats at 12 weeks after ovariectomy through action at the estrogen receptor-beta. Thus genistein has potential for reducing anxiety-like behavior associated with low concentrations of ovarian hormones, which normally occurs during natural and surgical menopause. PMID- 29226153 TI - The Exercise-Induced Irisin Is Associated with Improved Levels of Glucose Homeostasis Markers in Pregnant Women Participating in 8-Week Prenatal Group Fitness Program: A Pilot Study. AB - Background: Both exercise and pregnancy influence serum irisin concentration. Aim: To determine how the interaction of pregnancy and exercise affects irisin level and whether various patterns of exercise adherence had different effect on irisin concentration. Methods: It was a one-group pretest-posttest study among 9 Caucasian nulliparous healthy women in normal pregnancy (age 23 +/- 3 years, 21 +/- 2 weeks of gestation; mean +/- SD) who participated in 8-week group fitness program. Before and after exercise intervention, we determined serum concentrations of irisin and selected parameters of lipid profile and glucose homeostasis markers. Results: In active women, irisin slightly decreased with the development of pregnancy. After 8 weeks of exercising, irisin correlated negatively with fasting glucose (R = -0.922; p = 0.001), glycated hemoglobin (R = -0.784; p = 0.012), and insulin concentrations (R = -0.845; p = 0.004). In women exercising below recommended level, we observed a significant drop in irisin concentration, whereas in women exercising at least three times a week this myokine slightly increased (31% difference; 90% confidence limits +/-28; a large, clear effect). Conclusions: Irisin stimulated by prenatal exercise may improve glucose homeostasis markers in healthy women and compensate for metabolic changes induced by pregnancy. Moreover, the frequency of exercise may regulate the changes in exercise-induced irisin concentration. PMID- 29226154 TI - Reduced Transferrin Levels in Active Inflammatory Bowel Disease. AB - Inflammatory bowel disease (IBD) is an inflammatory disease of unclear etiopathogenesis and challenging diagnosis, frequently complicated by anemia and malnutrition. C-reactive protein (CRP) remains the only biochemical marker of clinical relevance. The aim of this study was to test hypothesis that transferrin, coinfluenced by inflammation, malnutrition, anemia, and oxidative stress, may better reflect global IBD patient's condition than any other more specific index. Transferrin and other indices of inflammation, anemia, malnutrition, and oxidative stress were measured in 137 IBD patients (Crohn's disease (CD): n = 63 and ulcerative colitis (UC): n = 74) and 97 controls. Transferrin is reduced in active CD and UC and negatively correlates with the disease activity scores (CD: rho = -0.49; UC: rho = -0.52). In UC, transferrin correlates negatively with CRP, erythrocyte sedimentation rate (ESR), leukocytes, platelets, interleukin-6, interleukin-10, and TNF-alpha and positively with albumins, cholesterol, hemoglobin, hematocrit, erythrocytes, iron, and paraoxonase-1. In CD, transferrin correlates negatively with CRP, leukocytes, platelets, interleukin-1, and interleukin-6 and positively with albumins, iron, catalase, glutathione peroxidase-1, superoxide dismutase-1, and paraoxonase-1. The associations with inflammation and anemia/malnutrition were more pronounced in UC and with oxidative stress in CD. As UC activity marker, transferrin outperforms ESR and hemoglobin, indices used in calculating the disease clinical severity score. PMID- 29226155 TI - Views and Experiences of New Zealand Women with Gestational Diabetes in Achieving Glycaemic Control Targets: The Views Study. AB - Introduction: Optimal glycaemic control in women with gestational diabetes mellitus (GDM) reduces maternal and infant morbidity. Method: A survey was administered to women diagnosed with GDM to explore their views and experiences in achieving optimal glycaemic control. Results: Sixty women participated. Enablers included being taught to test capillary blood glucose in group settings where the health professional demonstrated this on themselves first (60, 100%); health professionals listening (41, 68%); being reminded to perform blood glucose testing (33, 55%); and being provided healthy meals by friends and family (28, 47%). Barriers included not having information in a woman's first language (33, 55%); being offered unhealthy food (19, 31%); not being believed by health professionals (13, 21%); receiving inconsistent information by health professionals (10, 16%); never being seen twice by the same health professional (8, 13%); and long waiting hours at clinics (7, 11%). Two-thirds of women (37, 62%) reported that food costs were not a barrier, but that they were always or frequently hungry. Conclusion: Optimising experiences for women with GDM for achieving glycaemic control and overcoming barriers, regardless of glycaemic targets, requires further focus on providing meaningful health literacy and support from health professionals, family, friends, and work colleagues. PMID- 29226158 TI - Corrigendum to "The Controversial C5a Receptor C5aR2: Its Role in Health and Disease". AB - [This corrects the article DOI: 10.1155/2017/8193932.]. PMID- 29226156 TI - MicroRNAs Regulate Thymic Epithelium in Age-Related Thymic Involution via Down- or Upregulation of Transcription Factors. AB - Age-related thymic involution is primarily induced by defects in nonhematopoietic thymic epithelial cells (TECs). It is characterized by dysfunction of multiple transcription factors (TFs), such as p63 and FoxN1, and also involves other TEC associated regulators, such as Aire. These TFs and regulators are controlled by complicated regulatory networks, in which microRNAs (miRNAs) act as a key player. miRNAs can either directly target the 3'-UTRs (untranslated regions) of the TFs to suppress TF expression or target TF inhibitors to reduce or increase TF inhibitor expression and thereby indirectly enhance or inhibit TF expression. Here, we review the current understanding and recent studies about how miRNAs are involved in age-related thymic involution via regulation of TEC-autonomous TFs. We also discuss potential strategies for targeting miRNAs to rejuvenate age related declined thymic function. PMID- 29226157 TI - Fas-Related Apoptosis of Peritoneal Fluid Macrophages in Endometriosis Patients: Understanding the Disease. AB - Recent studies of the peritoneal cavity environment in endometriosis demonstrate quantitative and qualitative changes in the cells responsible for cell-mediated immunity. Such changes may have led to disturbances in the surveillance, recognition, and destruction of misplaced endometrial cells and might have, in fact, brought about the disease. The aim of the study was to assess CD95 (Fas) expression on (activated) peritoneal fluid (PF) macrophages, as well as to ascertain soluble Fas (sFas) concentration in the PF of endometriosis patients, as compared to the nonendometriotic group. The concentration of leukocytes in the PF, the percentage of cells expressing CD45+/CD14+, and the percentage of PF macrophages expressing the HLA-DR antigen were significantly higher in patients with stages I and II endometriosis. The percentage of Fas- (CD95+-) expressing macrophages was significantly higher in all stages of the disease, in comparison with controls. Moreover, the concentration of sFas in the PF of patients with moderate and severe endometriosis was significantly higher, as compared to the reference group. The high number of immune cells in PF in early stage endometriosis and their increased susceptibility to apoptosis confirm the role of the impaired peritoneal environment and immune defects in the development and progression of the disease. PMID- 29226159 TI - Immunohistopathological Findings of Severe Cutaneous Adverse Drug Reactions. AB - Diagnosis of severe cutaneous adverse drug reactions should involve immunohistopathological examination, which gives insight into the pathomechanisms of these disorders. The characteristic histological findings of erythema multiforme (EM), Stevens-Johnson syndrome (SJS), and toxic epidermal necrolysis (TEN) provide conclusive evidence demonstrating that SJS/TEN can be distinguished from EM. Established SJS/TEN shows full-thickness, extensive keratinocyte necrosis that develops into subepidermal bullae. Drug-induced hypersensitivity syndrome (DIHS) and exanthema in drug reaction with eosinophilia and systemic symptoms (DRESS) each display a variety of histopathological findings, which may partly correlate with the clinical manifestations. Although the histopathology of DRESS is nonspecific, the association of two or more of the four patterns eczematous changes, interface dermatitis, acute generalized exanthematous pustulosis- (AGEP-) like patterns, and EM-like patterns-might appear in a single biopsy specimen, suggesting the diagnosis and severe cutaneous manifestations of DRESS. Cutaneous dendritic cells may be involved in the clinical course. AGEP typically shows spongiform superficial epidermal pustules accompanied with edema of the papillary dermis and abundant mixed perivascular infiltrates. Mutations in IL36RN may have a definite effect on pathological similarities between AGEP and generalized pustular psoriasis. PMID- 29226160 TI - The significance of changes in platelet concentration during the early phase after severe burn injury in a Chinese mass casualty. AB - Background: Changes in platelet concentration are common in severe burn patients. Platelets play a key role in the course of disease. This study aims to explore the significance of platelet concentration during the course of the disease in victims of a mass burn casualty. Methods: A total of 180 patients were involved in the "8.2" Kunshan explosion accident in China. The examined data included age, gender, total burn area (% TBSA), third-degree burn area (% TBSA), and platelet concentration within the first 5 days after the burn injury. The patients were divided into two groups according to four indicators (resuscitation, acute respiratory distress syndrome, acute kidney injury, septic shock). We collected several types of data for the patients and divided the patients into a complication group and non-complication group according to the diagnostic criteria. We analyzed the platelet concentration of the two groups using t tests to determine whether significant differences were present. P values < 0.05 were considered statistically significant. Results: The group with successful resuscitation had higher platelet concentration than the failure group on day 3 and day 5. The patients who suffered from acute kidney injury (AKI) and septic shock had a lower platelet concentration than non-sufferers on day 3 and day 5. Conclusions: The platelet concentration of burn patients can dynamically reflect the pathophysiological changes of the body. It can be used as an early objective indicator of prognosis in mass burn casualty cases. PMID- 29226161 TI - Multiple Imputation in Two-Stage Cluster Samples Using The Weighted Finite Population Bayesian Bootstrap. AB - Multistage sampling is often employed in survey samples for cost and convenience. However, accounting for clustering features when generating datasets for multiple imputation is a nontrivial task, particularly when, as is often the case, cluster sampling is accompanied by unequal probabilities of selection, necessitating case weights. Thus, multiple imputation often ignores complex sample designs and assumes simple random sampling when generating imputations, even though failing to account for complex sample design features is known to yield biased estimates and confidence intervals that have incorrect nominal coverage. In this article, we extend a recently developed, weighted, finite-population Bayesian bootstrap procedure to generate synthetic populations conditional on complex sample design data that can be treated as simple random samples at the imputation stage, obviating the need to directly model design features for imputation. We develop two forms of this method: one where the probabilities of selection are known at the first and second stages of the design, and the other, more common in public use files, where only the final weight based on the product of the two probabilities is known. We show that this method has advantages in terms of bias, mean square error, and coverage properties over methods where sample designs are ignored, with little loss in efficiency, even when compared with correct fully parametric models. An application is made using the National Automotive Sampling System Crashworthiness Data System, a multistage, unequal probability sample of U.S. passenger vehicle crashes, which suffers from a substantial amount of missing data in "Delta-V," a key crash severity measure. PMID- 29226162 TI - Relationship Between Age at Onset of Symptoms and Intraoperative Findings in Hip Arthroscopic Surgery. AB - Background: Hip arthroscopic surgery is intended to treat multiple abnormalities in an effort to delay the progression to osteoarthritis, especially in young patients. However, the length of time in which patients experience joint pain before seeking a specialist for a diagnosis can delay hip preservation surgery and influence clinical outcomes. Purpose: To investigate the relationship between age at symptom onset and findings during hip arthroscopic surgery as well as outcomes after 2 years of clinical follow-up. Study Design: Cohort study; Level of evidence, 3. Methods: From February 2008 to March 2015, data were prospectively collected on all patients undergoing hip arthroscopic surgery at a single institution. Anatomic and pathological characteristics were recorded intraoperatively. The mean age at onset of symptoms was calculated and correlated with intraoperative findings using Pearson correlation and logistic regression. All patients were assessed preoperatively and postoperatively with 4 patient reported outcome measures: the modified Harris Hip Score (mHHS), the Non Arthritic Hip Score (NAHS), the Hip Outcome Score-Activities of Daily Living (HOS ADL), and the Hip Outcome Score-Sport-Specific Subscale (HOS-SSS). Pain was estimated using a visual analog scale (VAS). Furthermore, patients with an age at onset of symptoms below the mean (34.6 years) were compared with those of an age at onset of symptoms above the mean. The 2 groups were compared using the Student t test and the chi-square test. P values <.05 were considered significant. Results: A total of 1697 patients met the inclusion criteria. Body mass index was weakly correlated with age (r = 0.3). Younger patients had a lower prevalence of combined Seldes type 1 and 2 labral tears; acetabular labrum articular disruption (ALAD) grade 2, 3, and 4 acetabular chondral lesions; and Outerbridge grade 2, 3, and 4 femoral head chondral lesions (P < .05 for all). More advanced age was correlated with wider labral tears and chondral lesions based on a clock face (r >= 0.2, P < .05). Patients younger than 34.6 years had a lower prevalence of gluteus medius and ligamentum teres tears (P <= .001). The prevalence of synovitis was positively correlated with age, while instability was negatively correlated with age (P = .04). The improvement of scores from preoperatively to 2 year follow-up in the younger patient group was 62.69 to 83.82 for the mHHS, 64.97 to 87.35 for the HOS-ADL, 43.46 to 73.37 for the HOS-SSS, 63.01 to 85.19 for the NAHS, and 5.61 to 2.53 for pain VAS. All score improvements were statistically significant (P < .001). Regarding the older patient group, the improvement of scores from preoperatively to 2-year follow-up was 58.55 to 78.27 for the mHHS, 57.59 to 79.66 for the HOS-ADL, 35.63 to 61.88 for the HOS-SSS, 55.28 to 77.55 for the NAHS, and 5.72 to 3.01 for pain VAS. All score improvements were statistically significant (P < .001). Conclusion: Of the multiple intraoperative findings in hip arthroscopic surgery, many are related to age at onset of symptoms. Although we found a statistically significant improvement in clinical outcomes in both groups after 2-year follow-up, apparently the less complex and smaller lesions observed in both the articular cartilage and the labrum of younger patients result in better outcomes compared with older patients. PMID- 29226163 TI - Diagnostic Accuracy of 3 Physical Examination Tests in the Assessment of Hip Microinstability. AB - Background: Hip microinstability is a diagnosis gaining increasing interest. Physical examination tests to identify microinstability have not been objectively investigated using intraoperative confirmation of instability as a reference standard. Purpose: To determine the test characteristics and diagnostic accuracy of 3 physical examination maneuvers in the detection of hip microinstability. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: A review was conducted of 194 consecutive hip arthroscopic procedures performed by a sports medicine surgeon at a tertiary-care academic center. Physical examination findings of interest, including the abduction-hyperextension-external rotation (AB-HEER) test, the prone instability test, and the hyperextension-external rotation (HEER) test, were obtained from prospectively collected data. The reference standard was intraoperative identification of instability based on previously published objective criteria. Test characteristics, including sensitivity, specificity, positive and negative predictive values, and accuracy, were calculated for each test as well as for combinations of tests. Results: A total of 109 patients were included in the analysis. The AB-HEER test was most accurate, with a sensitivity of 80.6% (95% CI, 70.8%-90.5%) and a specificity of 89.4% (95% CI, 80.5%-98.2%). The prone instability test had a low sensitivity (33.9%) but a very high specificity (97.9%). The HEER test performed second in both sensitivity (71.0%) and specificity (85.1%). The combination of multiple tests with positive findings did not yield significantly greater accuracy. All tests had high positive predictive values (range, 86.3%-95.5%) and moderate negative predictive values (range, 52.9%-77.8%). When all 3 tests had positive findings, there was a 95.0% (95% CI, 90.1%-99.9%) chance that the patient had microinstability. Conclusion: The AB-HEER test most accurately predicted hip instability, followed by the HEER test and the prone instability test. However, the high specificity of the prone instability test makes it a useful test to "rule in" abnormalities. A positive result from any test predicted hip instability in 86.3% to 90.9% of patients, but a negative test result did not conclusively rule out hip instability, and other measures should be considered in making the diagnosis. The use of these tests may aid the clinician in diagnosing hip instability, which has been considered a difficult diagnosis to make because of its dynamic nature. PMID- 29226164 TI - Short-term Outcomes Following Concussion in the NFL: A Study of Player Longevity, Performance, and Financial Loss. AB - Background: A short-term protocol for evaluation of National Football League (NFL) athletes incurring concussion has yet to be fully defined and framed in the context of the short-term potential team and career longevity, financial risk, and performance. Purpose: To compare the short-term career outcomes for NFL players with concussions by analyzing the effect of concussions on (1) franchise release rate, (2) career length, (3) salary, and (4) performance. Study Design: Cohort study; Level of evidence, 3. Methods: NFL player transaction records and publicly available injury reports from August 2005 to January 2016 were analyzed. All players sustaining documented concussions were evaluated for a change to inactive or DNP ("did not participate") status. A case-control design compared franchise release rates and remaining NFL career span. Career length was analyzed via survival analysis. Salary and performance differences were analyzed with publicly available contract data and a performance-scoring algorithm based on position/player level. Results: Of the 5894 eligible NFL players over the 11-year period, 307 sustained publicly reported concussions resulting in the DNP injury protocol. Analysis of the probability of remaining in the league demonstrated a statistically significantly shorter career length for the concussion group at 3 and 5 years after concussion. The year-over-year change in contract value for the concussion group resulted in a mean overall salary reduction of $300,000 +/- $1,300,000 per year (interquartile range, -$723,000 to $450,000 per year). The performance score reduction for all offensive scoring players sustaining concussions was statistically significant. Conclusion: This retrospective study demonstrated that NFL players who sustain a concussion face a higher overall franchise release rate and shorter career span. Players who sustained concussions may incur significant salary reductions and perform worse after concussion. Short term reductions in longevity, performance, and salary after concussion exist and deserve additional consideration. PMID- 29226165 TI - Game Schedules and Rate of Concussions in the National Football League. AB - Background: Concussion prevention in the National Football League (NFL) is an important priority for player safety. The NFL now has modified game schedules, and one concern is that unconventional game schedules, such as a shortened rest period due to playing on a Thursday rather than during the weekend, may lead to an increased risk of injuries. Hypothesis: Unconventional game schedules in the NFL are associated with an increased rate of concussion. Study Design: Descriptive epidemiological study. Methods: This study analyzed concussions and game schedules over the NFL regular seasons from 2012 to 2015 (4 years). Documented numbers of concussions, identified by use of the online database PBS Frontline Concussion Watch, were summarized by regular-season weeks. Association of days of rest and game location (home, away, or overseas) with the rate of concussion was examined by use of the chi2 test. Logistic regression analysis was performed to examine the relationships of days of rest and home/away games to the risk of repeated concussions, with adjustment for player position. Results: A total of 582 concussions were analyzed in this study. A significantly greater number of concussions occurred in the second half of the season (P < .01). No significant association was found between the rate of concussion and the days of rest, game location, or timing of the bye week by the team or the opponent (P > .05). Game schedules were not significantly associated with the occurrence of repeat concussions (P > .05). Conclusion: Unconventional game schedules in the NFL, including playing on Thursday and playing overseas, do not seem to put players at increased risk of concussions. PMID- 29226166 TI - A Radiographic Healing Classification for Osteochondritis Dissecans of the Knee Provides Good Interobserver Reliability. AB - Background: Recent studies have examined radiographic factors associated with healing of osteochondritis dissecans (OCD) lesions of the knee. However, there is still no gold standard in determining the healing status of an OCD lesion. Purpose: We examined temporally associated patterns of healing to (1) evaluate the practicality of a classification system and (2) elucidate any associations between healing pattern and patient age, sex, lesion location, treatment type, and physeal patency. Study Design: Cohort study (diagnosis); Level of evidence, 3. Methods: We retrospectively screened 489 patients from 2006 to 2010 for a total of 41 consecutive knee OCD lesions that met inclusion criteria, including at least 3 consecutive radiographic series (mean patient age, 12.8 years; range, 7.8-17.1 years; mean follow-up, 75.1 weeks). Radiographs were arranged in sequential order for ratings by 2 orthopaedic sports medicine specialists. Healing patterns were rated as boundary resolution, increasing radiodensity of progeny fragment, combined, or not applicable. Repeat ratings were conducted 3 weeks later. Results: Patients were most commonly adolescent males aged 13 to 17 years, with a medial femoral condyle lesion that was treated operatively. Interobserver reliability of the healing classification was good (intraclass correlation coefficient, 0.67; 95% CI, 0.55-0.79). Boundary and radiodensity healing was observed for all ages, sexes, lesion locations, treatment types, and physeal patency states. Conclusion: This study evaluated a valuable radiographic paradigm-boundary resolution, increasing radiodensity of progeny fragment, or combined-for assessment of OCD lesion healing. The proposed system of healing classification demonstrated good inter- and intraobserver reliability. Healing patterns were not significantly associated with any particular age, sex, lesion location, treatment type, or physeal patency status. The development of a classification system for knee OCD may eventually improve clinical assessment and management of OCD lesions. PMID- 29226167 TI - Mathematical Modeling of "Chronic" Infectious Diseases: Unpacking the Black Box. AB - Background: Mathematical models are increasingly used to understand the dynamics of infectious diseases, including "chronic" infections with long generation times. Such models include features that are obscure to most clinicians and decision-makers. Methods: Using a model of a hypothetical active case-finding intervention for tuberculosis in India as an example, we illustrate the effects on model results of different choices for model structure, input parameters, and calibration process. Results: Using the same underlying data, different transmission models produced different estimates of the projected intervention impact on tuberculosis incidence by 2030 with different corresponding uncertainty ranges. We illustrate the reasons for these differences and present a simple guide for clinicians and decision-makers to evaluate models of infectious diseases. Conclusions: Mathematical models of chronic infectious diseases must be understood to properly inform policy decisions. Improved communication between modelers and consumers is critical if model results are to improve the health of populations. PMID- 29226168 TI - Risks of Ruxolitinib in STAT1 Gain-of-Function-Associated Severe Fungal Disease. AB - Heterozygous STAT1 gain-of-function (GOF) mutations are associated with chronic mucocutaneous candidiasis and a broad spectrum of infectious, inflammatory, and vascular manifestations. We describe therapeutic failures with the Janus Kinase (JAK) inhibitor ruxolitinib in 2 STAT1 GOF patients with severe invasive or cutaneous fungal infections. PMID- 29226169 TI - Prolonged Detection of Japanese Encephalitis Virus in Urine and Whole Blood in a Returned Short-term Traveler. AB - We describe a fatal case of Japanese encephalitis virus infection following short term travel to Thailand. Viral RNA was detected in urine and whole blood out to 26 and 28 days, respectively, after the onset of symptoms. Live virus was isolated from a urine specimen from day 14. PMID- 29226170 TI - Inappropriate Management of Asymptomatic Patients With Positive Urine Cultures: A Systematic Review and Meta-analysis. AB - Background: Mismanagement of asymptomatic patients with positive urine cultures (referred to as asymptomatic bacteriuria [ASB] in the literature) promotes antimicrobial resistance and results in unnecessary antimicrobial-related adverse events and increased health care costs. Methods: We conducted a systematic review and meta-analysis of studies that reported on the rate of inappropriate ASB treatment published from 2004 to August 2016. The appropriateness of antimicrobial administration was based on guidelines published by the Infectious Diseases Society of America. Results: A total of 2142 nonduplicate articles were identified, and among them 30 fulfilled our inclusion criteria. The pooled prevalence of antimicrobial treatment among 4129 cases who did not require treatment was 45% (95% CI, 39-50). Isolation of gram-negative pathogens (odds ratio [OR], 3.58; 95% CI, 2.12-6.06), pyuria (OR, 2.83; 95% CI, 1.9-4.22), nitrite positivity (OR, 3.83; 95% CI, 2.24-6.54), and female sex (OR, 2.11; 95% CI, 1.46-3.06) increased the odds of receiving treatment. The rates of treatment were higher in studies with >=100 000 cfu/mL cutoff values compared with <10 000 cfu/mL for bacterial growth (P, .011). The implementation of educational and organizational interventions designed to eliminate the overtreatment of ASB resulted in a median absolute risk reduction of 33% (rangeARR, 16-36%, medianRRR, 53%; rangeRRR, 25-80%). Conclusion: The mismanagement of ASB remains extremely frequent. Female sex and the overinterpretation of certain laboratory data (positive nitrites, pyuria, isolation of gram-negative bacteria and cultures with higher microbial count) are associated with overtreatment. Even simple stewardship interventions can be particularly effective, and antimicrobial stewardship programs should focus on the challenge of differentiating true urinary tract infection from ASB. PMID- 29226171 TI - Antimicrobial Resistance of Sterile Site Infections in Sub-Saharan Africa: A Systematic Review. AB - Sparse data exist from sub-Saharan Africa (SSA) on the prevalence of antimicrobial resistance (AMR). A prior review of antimicrobial resistance in SSA from 1990 to 2013 showed a high prevalence of AMR to commonly used antibiotics in this setting. We reviewed the literature published since 2013. Four databases (PubMed, EMBASE, Cochrane, and African Journals Online) were searched for articles between February 2013 and March 2016 with a focus on sterile site infections (bacteremia, urinary tract infections [UTIs], and meningitis). We focused on the original World Health Organization-identified priority pathogens and antibiotics, prior to the release of the most recently updated and expanded list in 2017. There were 19 eligible studies: bacteremia (12), UTI (6), and meningitis (1). Eight studies were from Western and Central Africa, 8 from Eastern Africa, and 4 from Southern Africa. Prevalence of Escherichia coli resistance to third-generation cephalosporins ranged from 0% to 75%. No studies reported resistance to carbapenems among Klebsiella spp. Prevalence of fluoroquinolone resistance ranged from 8.3% to 100% among E. coli and 0% to 15% among Salmonella spp. Prevalence of resistance to penicillin among Streptococcus pneumoniae isolates ranged from 25% to 100%. Testing for extended-spectrum beta lactamase was reported in 7 studies (range, 1.3-60% among tested isolates). Methods for evaluating AMR varied across studies; standardized approaches are needed in the region. Testing for mechanisms of resistance is low even in research settings, but important mechanisms of resistance such as ESBL production are present. PMID- 29226172 TI - Enteric Microbiome Markers as Early Predictors of Clinical Outcome in Allogeneic Hematopoietic Stem Cell Transplant: Results of a Prospective Study in Adult Patients. AB - Background: Infections and graft-vs-host disease (GvHD) still represent major, not easily predictable complications in allogeneic hematopoietic stem cell transplant (allo-HSCT). Both conditions have been correlated to altered enteric microbiome profiles during the peritransplant period. The main objective of this study was to identify possible early microbiome-based markers useful in pretransplant risk stratification. Methods: Stool samples were collected from 96 consecutive patients at the beginning of the pretransplant conditioning regimen (T0) and at 10 (T1) and 30 (T2) days following transplant. When significant in univariate analysis, the identified microbiome markers were used in multivariate regression analyses, together with other significant clinical variables for allo HSCT-related risk stratification. Four main outcomes were addressed: (1) septic complications, (2) GvHD, (3) relapse of the underlying disease, and (4) mortality. Results: The presence of >5% proinflammatory Enterobacteriaceae at T0 was the only significant marker for the risk of microbiologically confirmed sepsis. Moreover, <=10% Lachnospiraceae at T0 was the only significant factor for increased risk of overall mortality, including death from both infectious and noninfectious causes.Finally, a low bacterial alpha-diversity (Shannon index <= 1.3) at T1 was the only variable significantly correlating with an increased risk of GvHD within 30 days. Conclusions: Microbiome markers can be useful in the very early identification of patients at risk for major transplant-related complications, offering new tools for individualized preemptive or therapeutic strategies to improve allo-HSCT outcomes. PMID- 29226173 TI - Long-term Outcome of Antiretroviral Treatment in Patients With and Without Concomitant Tuberculosis Receiving Health Center-Based Care-Results From a Prospective Cohort Study. AB - Background: In order to increase treatment coverage, antiretroviral treatment (ART) is provided through primary health care in low-income high-burden countries, where tuberculosis (TB) co-infection is common. We investigated the long-term outcome of health center-based ART, with regard to concomitant TB. Methods: ART-naive adults were included in a prospective cohort at Ethiopian health centers and followed for up to 4 years after starting ART. All participants were investigated for active TB at inclusion. The primary study outcomes were the impact of concomitant TB on all-cause mortality, loss to follow up (LTFU), and lack of virological suppression (VS). Kaplan-Meier survival estimates and Cox proportional hazards models with multivariate adjustments were used. Results: In total, 141/729 (19%) subjects had concomitant TB, 85% with bacteriological confirmation (median CD4 count TB, 169 cells/mm3; IQR, 99-265; non-TB, 194 cells/mm3; IQR, 122-275). During follow-up (median, 2.5 years), 60 (8%) died and 58 (8%) were LTFU. After >=6 months of ART, 131/630 (21%) had lack of VS. Concomitant TB did not influence the rates of death, LTFU, or VS. Male gender and malnutrition were associated with higher risk of adverse outcomes. Regardless of TB co-infection status, even after 3 years of ART, two-thirds of participants had CD4 counts below 500 cells/mm3. Conclusions: Concomitant TB did not impact treatment outcomes in adults investigated for active TB before starting ART at Ethiopian health centers. However, one-third of patients had unsatisfactory long-term treatment outcomes and immunologic recovery was slow, illustrating the need for new interventions to optimize ART programs. PMID- 29226174 TI - Proprotein Convertase Subtilisin/Kexin 9 Levels in Relation to Systemic Immune Activation and Subclinical Coronary Plaque in HIV. AB - Background: Proprotein convertase subtilisin/kexin 9 (PCSK9) is known to mediate homeostasis of low-density lipoprotein cholesterol (LDL-c), but it may also participate in immune reactivity and atherogenesis. Methods: We compared circulating PCSK9 levels among asymptomatic individuals with and without HIV. Further, within each group, we assessed the relationship between PCSK9 levels, traditional cardiovascular disease risk factors, immune activation, and subclinical coronary atherosclerotic plaque. Results: PCSK9 levels were higher among HIV-infected (n = 149) vs matched non-HIV-infected subjects (n = 69; 332 [272, 412] ng/mL vs 304 [257, 375] ng/mL; P = .047). Among HIV-infected subjects, significant albeit modest positive associations were noted between PCSK9 levels and markers of systemic monocyte activation including sCD14 (rho = 0.22; P = .009) and sCD163 (rho = 0.23; P = .006). In this group, PCSK9 levels related weakly to LDL-c (rho = 0.16; P = .05) and also to Framingham Point Score but did not relate to subclinical coronary atherosclerotic plaque parameters. Conclusions: Among HIV-infected individuals, circulating PCSK9 levels are elevated and related to systemic markers of monocyte activation but not to coronary plaque parameters. Additional studies are needed to determine the effects of PCSK9 on immune activation and atherogenesis in HIV and to assess whether PCSK9 inhibition reduces immune activation and coronary atherosclerotic plaque burden. Clinical Trial Registration: NCT00455793. PMID- 29226175 TI - Longitudinal, transcranial measurement of functional activation in the rat brain by diffuse correlation spectroscopy. AB - Neural activity is an important biomarker for the presence of neurodegenerative diseases, cerebrovascular alterations, and brain trauma; furthermore, it is a surrogate marker for treatment effects. These pathologies may occur and evolve in a long time-period, thus, noninvasive, transcutaneous techniques are necessary to allow a longitudinal follow-up. In the present work, we have customized noninvasive, transcutaneous, diffuse correlation spectroscopy (DCS) to localize changes in cerebral blood flow (CBF) induced by neural activity. We were able to detect changes in CBF in the somatosensory cortex by using a model of electrical forepaw stimulation in rats. The suitability of DCS measurements for longitudinal monitoring was demonstrated by performing multiple sessions with the same animals at different ages (from 6 to 18 months). In addition, functional DCS has been cross-validated by comparison with functional magnetic resonance imaging (fMRI) in the same animals in a subset of the time-points. The overall results obtained with transcutaneous DCS demonstrates that it can be utilized in longitudinal studies safely and reproducibly to locate changes in CBF induced by neural activity in the small animal brain. PMID- 29226176 TI - Holistic segmentation of the lung in cine MRI. AB - Duchenne muscular dystrophy (DMD) is a childhood-onset neuromuscular disease that results in the degeneration of muscle, starting in the extremities, before progressing to more vital areas, such as the lungs. Respiratory failure and pneumonia due to respiratory muscle weakness lead to hospitalization and early mortality. However, tracking the disease in this region can be difficult, as current methods are based on breathing tests and are incapable of distinguishing between muscle involvements. Cine MRI scans give insight into respiratory muscle movements, but the images suffer due to low spatial resolution and poor signal-to noise ratio. Thus, a robust lung segmentation method is required for accurate analysis of the lung and respiratory muscle movement. We deployed a deep learning approach that utilizes sequence-specific prior information to assist the segmentation of lung in cine MRI. More specifically, we adopt a holistically nested network to conduct image-to-image holistic training and prediction. One frame of the cine MRI is used in the training and applied to the remainder of the sequence ([Formula: see text] frames). We applied this method to cine MRIs of the lung in the axial, sagittal, and coronal planes. Characteristic lung motion patterns during the breathing cycle were then derived from the segmentations and used for diagnosis. Our data set consisted of 31 young boys, age [Formula: see text] years, 15 of whom suffered from DMD. The remaining 16 subjects were age matched healthy volunteers. For validation, slices from inspiratory and expiratory cycles were manually segmented and compared with results obtained from our method. The Dice similarity coefficient for the deep learning-based method was [Formula: see text] for the sagittal view, [Formula: see text] for the axial view, and [Formula: see text] for the coronal view. The holistic neural network approach was compared with an approach using Demon's registration and showed superior performance. These results suggest that the deep learning-based method reliably and accurately segments the lung across the breathing cycle. PMID- 29226178 TI - In vitro Analysis for Macrophage Binding and Pro-inflammatory Responses to Candida albicans. AB - Macrophage recognition of Candida albicans (C. albicans) is facilitated by pattern recognition receptors that interact with the fungal pathogen associated molecular patterns (PAMPs). Dectin-1 is the major macrophage receptor that is known to recognize fungal Beta-glucans leading to induction of various immune responses. This receptor is also known to be required for in vivo protection against C. albicans (Taylor et al., 2007). We recently showed that the Dectin-1 mediated protection in vivo is strain-dependent, and that C. albicans can adapt to modulate immune recognition by Dectin-1 (Marakalala et al., 2013). In vitro analysis, however, showed a Dectin-1-dependent and pro-inflammatory responses against all strains tested. This protocol describes in detail the in vitro analysis used in the paper. In particular, methods involved in fluorescent labeling of live C. albicans, quantification of macrophage binding of the pathogen, and pro-inflammatory responses to yeast and hyphal forms of the fungi are described. PMID- 29226177 TI - Color discrimination errors associate with axial motor impairments in Parkinson's disease. AB - Background: Visual function deficits are more common in imbalance-predominant compared to tremor-predominant PD suggesting a pathophysiological role of impaired visual functions in axial motor impairments. Objective: To investigate the relationship between changes in color discrimination and motor impairments in PD while accounting for cognitive or other confounder factors. Methods: PD subjects (n=49, age 66.7+/-8.3 years; Hoehn & Yahr stage 2.6+/-0.6) completed color discrimination assessment using the Farnsworth-Munsell 100 Hue Color Vision Test, neuropsychological, motor assessments and [11C]dihydrotetrabenazine vesicular monoamine transporter type 2 PET imaging. MDS-UPDRS sub-scores for cardinal motor features were computed. Timed up and go mobility and walking tests were assessed in 48 subjects. Results: Bivariate correlation coefficients between color discrimination and motor variables were significant only for the Timed up and go (RS=0.44, P=0.0018) and the MDS-UPDRS axial motor scores (RS=0.38, P=0.0068). Multiple regression confounder analysis using the Timed up and go as outcome parameter showed a significant total model (F(5,43)= 7.3, P<0.0001) with significant regressor effects for color discrimination (standardized beta=0.32, t=2.6, P=0.012), global cognitive Z-score (beta=-0.33, t=-2.5, P=0.018), duration of disease (beta=0.26, t=1.8, P=0.038), but not for age or striatal dopaminergic binding. The color discrimination test was also a significant independent regressor in the MDS-UPDRS axial motor model (standardized beta=0.29, t=2.4, P=0.022; total model t(5,43)= 6.4, P=0.0002). Conclusions: Color discrimination errors associate with axial motor features in PD independent of cognitive deficits, nigrostriatal dopaminergic denervation, and other confounder variables. These findings may reflect shared pathophysiology between color discrimination visual impairments and axial motor burden in PD. PMID- 29226179 TI - Virus Binding and Internalization Assay for Adeno-associated Virus. AB - The binding and internalization of adeno-associated virus (AAV) is an important determinant of viral infectivity and tropism. The ability to dissect these two tightly connected cellular processes would allow better understanding and provide insight on virus entry and trafficking. In the following protocol, we describe a quantitative PCR (qPCR) based method to determine the amount of vector bound to the cell surface and the amount of subsequent virus internalization based on viral genome quantification. This protocol is optimized for studying AAV. Nevertheless, it can serve as a backbone for studying other viruses with careful modification. PMID- 29226180 TI - Cytosolic and Nuclear Delivery of CRISPR/Cas9-ribonucleoprotein for Gene Editing Using Arginine Functionalized Gold Nanoparticles. AB - In this protocol, engineered Cas9-ribonucleoprotein (Cas9 protein and sgRNA, together called Cas9-RNP) and gold nanoparticles are used to make nanoassemblies that are employed to deliver Cas9-RNP into cell cytoplasm and nucleus. Cas9 protein is engineered with an N-terminus glutamic acid tag (E-tag or En, where n = the number of glutamic acid in an E-tag and usually n = 15 or 20), C-terminus nuclear localizing signal (NLS), and a C-terminus 6xHis-tag. [Cas9En hereafter] To use this protocol, the first step is to generate the required materials (gold nanoparticles, recombinant Cas9En, and sgRNA). Laboratory-synthesis of gold nanoparticles can take up to a few weeks, but can be synthesized in large batches that can be used for many years without compromising the quality. Cas9En can be cloned from a regular SpCas9 gene (Addgene plasmid id = 47327), and expressed and purified using standard laboratory procedures which are not a part of this protocol. Similarly, sgRNA can be laboratory-synthesized using in vitro transcription from a template gene (Addgene plasmid id = 51765) or can be purchased from various sources. Once these materials are ready, it takes about ~30 min to make the Cas9En-RNP complex and 10 min to make the Cas9En RNP/nanoparticles nanoassemblies, which are immediately used for delivery (Figure 1). Complete delivery (90-95% cytoplasmic and nuclear delivery) is achieved in less than 3 h. Follow-up editing experiments require additional time based on users' need. Synthesis of arginine functionalized gold nanoparticles (ArgNPs) (Yang et al., 2011), expression of recombinant Cas9En, and in vitro synthesis of sgRNA is reported elsewhere (Mout et al., 2017). We report here only the generation of the delivery vehicle i.e., the fabrication of Cas9En-RNP/ArgNPs nanoassembly. PMID- 29226181 TI - A Bioreactor Method to Generate High-titer, Genetically Stable, Clinical-isolate Human Cytomegalovirus. AB - Human cytomegalovirus (HCMV) infection is a major cause of morbidity and mortality in transplant patients and a leading cause of congenital birth defects (Saint Louis, 2016). Vaccination and therapeutic studies often require scalable cell culture production of wild type virus, represented by clinical isolates. Obtaining sufficient stocks of wild-type clinical HCMV is often labor intensive and inefficient due to low yield and genetic loss, presenting a barrier to studies of clinical isolates. Here we report a bioreactor method based on continuous infection, where retinal pigment epithelial (ARPE-19) cells adhered to microcarrier beads are infected in a bioreactor and used to produce high-titers of clinical isolate HCMV that maintain genetic integrity of key viral tropism factors and the viral genome. In this bioreactor, an end-stage infection can be maintained by regular addition of uninfected ARPE-19 cells, providing convenient preparation of 107-108 pfu/ml of concentrated TB40/E IE2-EYFP stocks without daily cell passaging or trypsinization. Overall, this represents a 100-fold increase in gain of virus production of 100-times compared to conventional static culture plates, while requiring 90% less handling time. Moreover, this continuous infection environment has the potential to monitor infection dynamics with applications for real-time tracking of viral evolution. PMID- 29226182 TI - Assessment of Aversion of Acute Pain Stimulus through Conditioned Place Aversion. AB - Pain is a complex experience. The aversive component of pain has been assessed through conditioned place aversion in rodents. However, this behavioral test does not allow the evaluation of the aversion of an acute pain stimulus. In Zhang et al. (2017), we provide an updated version of a Conditioned Place Aversion paradigm to address this challenge. In this protocol, a detailed version of this method is described. PMID- 29226183 TI - In vitro Homeostatic Proliferation of Human CD8 T Cells. AB - Long-lived T-cell-mediated immunity requires persistence of memory T cells in an antigen-free environment while also maintaining a heightened capacity to recall effector functions. Such antigen-independent homeostatic proliferation is mediated in part by the common gamma-chain cytokines IL-7 and IL-15. To further explore the mechanisms governing maintenance of effector functions in long-lived memory T cells during antigen-independent proliferation, human naive and memory CD8 T cells can be sorted from peripheral blood mononuclear cells (PBMCs), labeled with the proliferation-tracking dye carboxyfluorescein succinimidyl ester (CFSE), and then purified based on their levels of cell division. This allows investigators to assess differences in the desired molecular target in cells that have undergone cytokine-driven proliferation. We provide here a protocol for assessing epigenetic programs in divided and undivided human naive and memory CD8 T cells following 7 days in culture with IL-7 and IL-15 to illustrate how this approach can shed light on the mechanism(s) that governs the preservation of effector functions during homeostasis of long-lived memory CD8 T cells. PMID- 29226184 TI - Cure of Hepatoblastoma Through Transcatheter Arterial Chemoembolization. PMID- 29226185 TI - Parental and Pediatricians' Perception of Need for Subspecialty Training in Pediatric Emergency Medicine for Delivering Emergency Care to Pediatric Patients. AB - The quality of pediatric emergency care may depend on the competence of the emergency department physicians. It is important to know whether parents and general pediatricians associate the quality of pediatric emergency care with the pediatric emergency medicine (PEM) training of the emergency department physicians. We designed the study to determine parental and pediatricians' opinion and expectation in regard to this question. Most of the surveyed parents' and pediatricians' recognize the importance of PEM training and believed that physicians trained in PEM can provide better emergency care for children. However, 53.8% of parents, especially Spanish speaking and with Medicaid/no insurance coverage, believe that the emergency care provided for their children by general pediatricians and PEM physicians is equivalent. The results of our study could be utilized by accredited PEM planners in the creation of strategies to ensure the quality of emergency care for children population. PMID- 29226186 TI - Prevalence of Pelvic Incontinence in Patients With Cystic Fibrosis. AB - Cystic fibrosis (CF) patients are at risk for developing pelvic (urinary and/or fecal) incontinence due to progressive weakness of pelvic floor muscles secondary to recurrent episodes of coughing and respiratory infections. Many patients do not bring these symptoms to the attention of their health care providers because of social embarrassment and lack of knowledge of available effective treatment. Several studies have identified the prevalence of incontinence in CF adults and adolescents. However, few studies identified the problem in children with CF. Our study aims are to identify the prevalence of pelvic incontinence in CF patients aged 6 to 21 years, to identify the correlation between incontinence and severity of lung disease, and to help develop treatment strategy in collaboration with physical therapy to address these issues. PMID- 29226187 TI - Tracheobronchial Foreign Bodies in Children: The Role of Emergency Rigid Bronchoscopy. AB - Foreign body aspiration (FBA) is a common and lethal accident in the pediatric age group. It requires early recognition and treatment by rigid bronchoscopy to avoid fatal outcomes. Objective. The aim of this study was to study the pattern of FBA in the tracheobronchial tree as well as the success rate of rigid bronchoscopy in children admitted to a single center and to analyze the relationship of the type of foreign body (FB) with patients' age, presentation, and complications. Methods. A retrospective cross-sectional study of FBA was conducted in children in the Sulaimani/Kurdistan region, Iraq, admitted to the emergency teaching hospital of the University of Sulaimani from January 2014 to March 2016. Result. Data of 83 patients between 6 months and 15 years old were studied. The most affected was the 1- to 5-year-old group. There was a slight female predominance (male to female ratio 0.93:1). The most common FB was sunflower seed (49.4%). History of choking was present in 92.8% of patients; 55.4% had normal air entry, and 37.3% had no added sound on chest auscultation. Normal chest X-ray (CXR) was found in 40% of patients. The most common site was the right bronchial tree (39.8%). Two patients needed mechanical ventilation; both of them died. There was a significant relationship between the type of FB (P = .013, .000, respectively). Conclusion. Medical history is the most important factor for reaching the diagnosis; bronchoscopy is mandatory if choking was witnessed, even if examination and CXR are normal. Organic material causes more local reaction than nonorganic material. PMID- 29226188 TI - Child Abuse Prevention Team Activities in a General Hospital in Tochigi, Japan. PMID- 29226189 TI - Night Sweats, Stress Activation and Coeliac Disease. PMID- 29226190 TI - Limp in a Child With Autism Spectrum Disorder. PMID- 29226191 TI - Time to Drug-Resistant Tuberculosis Treatment in a Prospective South African Cohort. AB - This study examined time to treatment initiation by age among a prospective cohort with drug-resistant tuberculosis (DR-TB). Participants aged 13 years or older nested within a cluster-randomized trial in 2 South African provinces were evaluated. Outcomes were treatment initiation within 5 days of DR-TB diagnosis (National Tuberculosis Program guidelines) and days from diagnosis to treatment. A total of 521 participants met inclusion criteria. Eighty-two patients (16%) met national guidelines; median time to treatment was 11 days (range = 0-180). No patient (age, sex, prior TB history, HIV status) or health system characteristics (geographic urban/rural location, province) were associated with treatment initiation per guidelines except geographic location (t = 3.64, degrees of freedom = 1, P = .0003). One in 6 individuals with DR-TB received treatment per guidelines, and average time to treatment was 11 days. Strategies are needed to decrease treatment delays and meet the recommended guidelines for treatment for patients of all ages. PMID- 29226192 TI - Qualitative Assessment of Pregnant Women's Perceptions of Infant Sleep Boxes. AB - Although several states have implemented programs providing boxes for infant sleep, safe sleep experts express concern regarding the paucity of safety and efficacy research on boxes. The purpose of this study was to assess pregnant women's perceptions regarding use of baby sleep boxes. A convenience sample was recruited from a community prenatal education program. Twenty-eight women were administered a brief semistructured interview about their knowledge of baby sleep boxes, opinions about the boxes, and questions they would have. For most (n = 15, 54%), this was their first pregnancy. Participants self-identified as white (43%), black (36%), Hispanic (18%), and "other" (4%). Ten subthemes emerged related to previous knowledge of boxes (useful for families in need, historic precedent in other countries), positive attributes (portable, compact, affordable, decorative), and negative attributes (low to ground, structural integrity/design, stability, stigma). Research on safety and efficacy could reduce concerns, but issues of stigma may persist. PMID- 29226193 TI - The Many Presentations of Pneumomediastinum. PMID- 29226194 TI - Childhood Socioeconomic Status and Stress in Late Adulthood: A Longitudinal Approach to Measuring Allostatic Load. AB - Objectives: This study examines how the effects of childhood socioeconomic status (SES) may carry on into late adulthood. Methods: We examine how childhood SES affects both perceived stress and allostatic load, which is a cumulative measure of the body's biologic response to chronic stress. We use the National Social Life, Health, and Aging Project, Waves 1 and 2, and suggest a novel method of incorporating a longitudinal allostatic load measure. Results: Individuals who grew up in low SES households have higher allostatic load scores in late adulthood, and this association is mediated mostly by educational attainment. Discussion: The longitudinal allostatic load measure shows similar results to the singular measures and allows us to include 2 time points into one outcome measure. Incorporating 2 separate time points into one measure is important because allostatic load is a measure of cumulative physiological dysregulation, and longitudinal data provide a more comprehensive measure. PMID- 29226195 TI - Consequences of Inconsistency in Air Force Tobacco Control Policy. AB - Objectives: Although the United States Air Force (USAF) has been a leader in efforts to reduce tobacco use among service members, tobacco continues to be a problem and initiatives to decrease tobacco use further require buy-in from leadership. We explored line leaderships' perspectives on tobacco. Methods: A diverse group of 10 senior commissioned and 10 non-commissioned personnel were interviewed. Results: Respondents reported substantial changes in the culture of tobacco use during their years of service, from near ubiquity to restricted use areas. They also perceived mixed messages coming from the USAF, including simultaneous discouragement of and accommodations for tobacco use, and variability in policies and enforcement. Many respondents indicated that allowing tobacco use creates conflict and undermines military discipline and suggested that a tobacco-free policy would be the best way to eliminate these contradictions. Conclusion: Although there has been substantial movement away from a culture of tobacco in the USAF, current policies and variable enforcement of these policies create unnecessary contradictions. Establishing a tobacco-free service would resolve these issues in addition to improving the health of service members and veterans. PMID- 29226196 TI - Orthopedic History in Iran: Ancient, Contemporary and Modern Times. PMID- 29226198 TI - Restoration of the Mechanical Axis in Total Knee Artrhoplasty Using Patient Matched Technology Cutting Blocks. A Retrospective Study of 132 Cases. AB - Background: The aim of this study is to evaluate the accuracy of bone cuts and the resultant alignment, using the MyKnee patient specific cutting blocks. Methods: We retrospectively reviewed 132 patients undergoing primary TKR for osteoarthritis by one single surgeon. The operative time, the preoperative Hip Knee-Ankle (HKA) axis based on the CT-scan, the postoperative HKA axis based on long axis standing x-rays, the planned and the actual size of the femoral and the tibial components, and the number of the recuts which has been made intraoperative were measured. Results: The average preoperative HKA axis was 177.50 (range 163.50 to 1940), whereas the average postoperative HKA axis was 179.40 (range 177.10 to 182.70). No outliers were reported in the study (0%). Intraoperatively, 4 femoral components (3.03%), and 7 tibial components (5.30%) applied to the patients were different than the planned size. There was no need of recuts in any of our cases intraoperatively. Conclusion: The MyKnee system evaluated in this study was shown to be remarkable reliable in the coronal plane alignment, and the prediction of the component size. However, further studies are needed to determine whether there are any clinically important improvements in outcomes or patient satisfaction when using patient-specific cutting blocks for TKA. PMID- 29226197 TI - Osteoporosis and the Management of Spinal Degenerative Disease (I). AB - Osteoporosis has become a major medical problem as the aged population of the world rapidly grows. Osteoporosis predisposes patients to fracture, progressive spinal deformities, and stenosis, and is subject to be a major concern before performing spine surgery, especially with bone fusions and instrumentation. Osteoporosis has often been considered a contraindication for spinal surgery, while in some instances patients have undergone limited and inadequate procedures in order to avoid concomitant instrumentation. As the population ages and the expectations of older patients increase, the demand for surgical treatment in older patients with osteoporosis and spinal degenerative diseases becomes progressively more important. Nowadays, advances in surgical and anesthetic technology make it possible to operate successfully on elderly patients who no longer accept disabling physical conditions. This article discusses the biomechanics of the osteoporotic spine, the diagnosis and management of osteoporotic patients with spinal conditions, as well as the novel treatments, recommendations, surgical indications, strategies and instrumentation in patients with osteoporosis who need spine operations. PMID- 29226199 TI - Effectiveness of Minimally Invasive Plate Osteosynthesis (MIPO) on Comminuted Tibial or Femoral Fractures. AB - Background: Comminuted fractures happen frequently due to traumas. Fixation without opening the fracture site, known as minimally invasive plate osteosynthesis (MIPO), has recently become prevalent. This study has been designed to assess the outcomes of this treatment for tibial and femoral comminuted fractures. Methods: A total of 60 patients with comminuted femoral or tibial fractures were operated with MIPO method in this cross-sectional study at Alzahra university hospital in 2015. Eleven patients were excluded due to lack of adequate follow-ups. Patients'data including union time; infection in the fractured site; hip and knee range of motion; and any malunion or deformities like limb length discrepancy were collected after the surgery in every session. Results: Among 32 femoral and 17 tibial fractures, union was completed in48 patients, while only one patient with femoral fracture had nonunion. The mean union time was 18.57+/-2.42 weeks. Femur fractures healed faster than tibia (17.76+/-2.36 compared to 19+/-2.37 weeks, respectively, P=0.09). None of the patients suffered from infections or fistula. The range of motion in hip and knee remained intact in approximately all patients. Malunion happened in 3 patients; 100 internal rotation in 1 patient; and 1cm limb shortening in 2 patients. Conclusion: According to the result of this study, MIPO is a simple and effective method of fixation with a high rate of union as well as minimal complications for comminuted fractures of long bones. Infection is rare, and malunion or any deformity is infrequent. MIPO appears to be a promising and safe treatment alternative for comminuted fractures. PMID- 29226200 TI - Long-term Results of Osteoarticular Allograft Reconstruction in Children with Distal Femoral Bone Tumors. AB - Background: There is no consensus regarding the best method of reconstruction in pediatric population following the wide resection of malignant bone tumors. More exploration of the complications of osteoarticular reconstruction leads to less existing controversy of this type of reconstruction, which is the main point of this article. Methods: Long-term outcomes and complications of osteoarticular allograft reconstruction of primary distal femoral bone sarcomas in 22 children with mean age of 10.7 years old were reviewed in this study. Musculoskeletal Tumor Society (MSTS) scoring system was used for functional evaluation of the allografts. Results: With an average follow-up time of 81 months, the outcomes of 16 patients with allografts at the final follow up were evaluated. As expected, Limb length discrepancy (LLD) was observed in all patients (mean LLD= 2.73cm), which was significantly correlated to allograft survival time (P<0.001). Degenerative joint disease (DJD) was also seen in all patients and its grade was also significantly correlated to allograft survival time (P<0.001). The mean MSTS score was 74% at the latest follow-up, ranging from 60% to 90%. Five and 10 year survival rate of allografts were found to be 93.3% and 62.2%, respectively. Conclusion: Osteoarticular allograft reconstruction could result in several complications including DJD. Despite its considerable biologic advantage over endoprosthesis, osteoarticular allograft reconstruction is a long-lasting but still a temporary solution before performing megaprosthesis. This allows patients to preserve their remaining physis for limb growth and become old enough for an adult megaprosthesis. PMID- 29226201 TI - Acute Primary Total Knee Arthroplasty for Proximal Tibial Fractures in Elderly. AB - Background: Proximal tibial fractures in elderly patients with osteoporosis or knee osteoarthritis (OA) are challenging cases. In the current study, we present our experience with uncommon acute primary total knee arthroplasty (PTKA) in this patient population. Methods: PTKAs were performed following proximal tibial fractures in 30 consecutive patients over 60 years of age with osteoporosis or knee OA between 2005 and 2009. Three constrained condylar knees (CCK) and no hinged knee prosthesis were used. Patients were followed up for 4.5+/-1.1 years. Results: Patients were discharged after 4.6+/-1.2 days. The postoperative Tegner activity scale (3.5+/-1.3) was improved significantly compared to the preoperative scale (2.5+/-1.2) (P<0.001). The knee flexion range was significantly greater in the operated side (106+/-13 degrees) compared to the uninjured knee (120+/-8 degrees) (P<0.001). The two sections of knee society knee score (knee and function section) averaged 90.7+/-6.5 and 69.6+/-8.8, respectively. All patients returned to their previous activities. Based on the visual analogue scale, the patients' satisfaction and pain at final visit were scored 8.1+/-1 and 1.5+/-1.2, respectively. No infection, thromboembolic events and loosening were observed. Conclusion: PTKA following a proximal tibial fracture in elderly patients with osteoporosis or knee degeneration can be considered as a safe alternative for open reduction and internal fixation. PTKA resulted in immediate weight-bearing, improved functional status and patients' satisfaction. However, functional outcomes were dependent on the general condition of 24 the patient. Also, constrained knee prostheses were not necessary for a vast majority of the patients. PMID- 29226202 TI - Interobserver Variability of Radiographic Assessment Using a Mobile Messaging Application as a Teleconsultation Tool. AB - Background: To examine whether interobserver reliability, decision-making, and confidence in decision-making in the treatment of distal radius fractures changes if radiographs are viewed on a messenger application on a mobile phone compared to a standard DICOM viewer. Methods: Radiographs of distal radius fractures were presented to surgeons on either a smart phone using a mobile messenger application or a laptop using a DICOM viewer application. Twenty observers participated: 10 (50%) were randomly assigned to the DICOM viewer group and 10 (50%) to the mobile messenger group. Each observer was asked to evaluate the cases and (1) classify the fracture type according to the AO classification, (2) recommend operative or conservative treatment and (3) rate their confidence about this decision. Results: There was no significant difference in interobserver reliability for AO classification and recommendation for surgery for distal radius fractures in both groups. The percentage of recommendation for surgery was significantly higher in the messenger application group compared to the DICOM viewer group (89% versus 78%, P=0.019) and the confidence for treatment decision was significantly higher in the mobile messenger group compared to the DICOM viewer group (8.9 versus 7.9, P=0.026). Conclusion: Messenger applications on mobile phones could facilitate remote decision-making for patients with distal radius fractures, but should be used with caution. PMID- 29226203 TI - Blood Glucose Levels in Diabetic Patients Following Corticosteroid Injections into the Subacromial Space of the Shoulder. AB - Background: Corticosteroid injections are used to treat a variety of orthopedic conditions with the goal of decreasing pain and inflammation. Administration of systemic or local corticosteroids risks temporarily increasing blood glucose levels, especially diabetic patients. The purpose of this study is to quantify the effects of corticosteroid injections on blood glucose levels in diabetic patients with shoulder pathology. Methods: Diabetic patients who regularly monitored their blood glucose levels and were indicated for a subacromial corticosteroid injection were included in this prospective investigation. The typical normal morning fasting glucose and most recent hemoglobin A1c level was recorded for each patient. After injection, patients were contacted daily to confirm their fasting morning glucose level for 10 days post-injection. Results: Seventeen consecutive patients were enrolled. Patients with hemoglobin A1c of <7% had an average rise in blood glucose of 38 mg/dL compared to 98 mg/dL in the poorly controlled group after injection (P<0.001). Well-controlled patients' glucose levels returned to near baseline levels around post-injection day 8, while poorly controlled patients levels remained elevated. Similarly, insulin dependent diabetic patients had an average increase in fasting glucose level of 99 mg/dL versus 50 mg/dL in non-insulin-dependent diabetic patients (P<0.001). Conclusion: After corticosteroid injection, patients with well-controlled diabetes experience smaller elevations and faster return to baseline glucose levels than patients with poor control. Insulin dependent diabetics experienced similar findings as patients with poor control. Future studies are needed to evaluate dosing to optimize the risks of blood glucose elevation while maintaining therapeutic benefit. PMID- 29226204 TI - Single Cut Distal Femoral Varus Osteotomy (SCFO): A Preliminary Study. AB - Background: Genu valgum usually originates from a deformity of distal femur that is often corrected by distal femoral varus osteotomy. The osteotomy includes both components of angulationcorrection and translation because the site of osteotomy is not commonly at the apex of deformity. Improvement of patellar tracking not only depends on valgus correction, but also it may be partially due to centralization of the trochlear groove under the femoral anatomical axis (FAA).We asked whether we could accurately correct the deformities based on our preoperative goals for the correction of the mechanical axis and centralization of the trochlear groove under the FAA by using a single bone cut.This study describes a new lateral single cut distal femoral osteotomy (SCFO) that enables concurrent correction of angulation and translation. Methods: This study was done on 12 young adult patients with femoral juxta-articular genu valgum deformity using SCFO. The average age at operation was 21 years (range: 16-25). SCFO is a type of closing-opening distal femoral osteotomy that corrects the valgus deformity of the distal femur while the translation of the distal fragment is done using one oblique cut. It centralizes the trochlear groove under the FAA. We compared the pre and postoperative radiographic and clinical variables including mechanical tibiofemoral angle, knee range of motion (ROM), International knee documentation committee (IKDC) score and the time to union. Mean follow-up of the patients was 24 months. Results: The average mechanical tibiofemoral angle improved from 16 degrees (10-23) to 1 degrees (-2 to +2). IKDC subjective score slightly improved from preoperative (65) to 2-year follow-up (71). Centralization of the trochlea was achieved in all patients. Conclusion: SCFO can be a reasonable alternative for correction of the distal femur genu valgum deformity. It can centralize the patellar groove under the FAA with satisfactory clinical outcomes. PMID- 29226205 TI - Clinical Results of Platelet-Rich Plasma for Partial Thickness Rotator Cuff Tears: A Case Series. AB - Partial thickness rotator cuff tears (PTRCTs) are a common pathology among shoulder disorders in people over 50 years. Treatment of PTRCTs remains controversial. Most studies on the treatment of PTRCTs have explained surgical techniques or outcomes; few studies have centralized on the conservative and new management of PTRCTs, like treatment with Platelet-rich plasma (PRP). These case series study have been conducted on Platelet-rich plasma (PRP) injection, as a concentrated source of cytokines that can stimulate healing of soft tissue. PRP injection showed positive effect on improving PTRCTs complains. This method improved pain, function, DASH score and shoulder joint range motion in. Because of PRP products are safe and easy to prepare and apply, and also according to improving patient's condition, this method can be used to treat PTRCTs. PMID- 29226206 TI - Unusual Complete Isolated Scaphoid Dislocation, Report of a Case. AB - Isolated scaphoid dislocations are extremely rare injuries and are commonly associated with significant ligamentous disruptions. A dorsiflexion-supination force upon the hand is considered as the most common mechanism of injury. Different treatment options have been proposed for the management of this uncommon entity, ranging from conservative treatment with closed reduction and casting to a wide range of open or percutaneous surgical techniques. In this article, we reported ona case of this rare injury managed with open reduction and pinning along with ligamentous reconstruction. PMID- 29226207 TI - Open Anterior Hip Dislocation in A Child: A Rare Mechanism of Injury. AB - Traumatic anterior dislocation of the hip is an extremely rare condition in children and open dislocation is even rarer. This isusually caused by high-energy trauma. In the current study, we present a case of an eight-year-old child suffering from an open anterior-inferior dislocation of the right hip concomitant with pelvic ring disruption and an ipsilateral open distal femoral fracture (Salter-Harris type 4, Gustilo type IIIA) caused by a traffic accident. The patient underwent successful emergent open reduction due to the buttonholed femoral head after appropriate irrigation and debridement. Successful recovery was achieved and the patient was discharged after two weeks. After nine months of follow-up, the X-ray images showed slight changes related to the osteonecrosis of the femoral head. Long-term follow-up over a period of six years showed sufficient range of motion. The patient's gait was normal and he was satisfied with the outcome. In addition, slight non-progressive osteonecrotic changes were obvious in the right hip. PMID- 29226208 TI - Brucella Arthritis Following Total Knee Arthroplasty in a Patient with Hemophilia: A Case Report. AB - Total knee arthroplasty (TKA) is a rewarding procedure in patients with hemophilia and end stage knee hemophilic arthropathy. However, this procedure might be associated with complications such as infection. There periprosthetic joint infection in patients with hemophilia is very well known, though we are not aware of any previous report on Brucella infection in this group of patients. Here, we reported a 28-year old man with Brucella infection of total knee replacement who initially underwent a conservative treatment followed bya two stage revision. We believe that this report will alert physicians who work in endemic area for brucellosis to consider this in differential diagnosis and do the right intervention at the right time. PMID- 29226209 TI - A reconstructed database of historic bluefin tuna captures in the Gibraltar Strait and Western Mediterranean. AB - This data paper presents a reconstruction of a compilation of a small but consistent database of historical capture records of bluefin tuna (Thunnus thynnus; BFT hereafter) from the Gibraltar Strait and Western Mediterranean (Portugal, Spain and Italy). The compilation come from diverse historical and documentary sources and span the time interval from 1525 to 1936 covering a period of 412 years. There is a total of 3074 datum, which reach up to 67.83% of the total implying a 32.17% of missing data. However, we have only reconstructed the captures for the time interval 1700-1936 and we provide these reconstructions only for this time interval and for 9 out of 11 series due to the scarcity and inhomogeneity of the two oldest capture time series. This reconstructed database provides an invaluable opportunity for fisheries and marine research as well as for multidisciplinary research in climate change. PMID- 29226210 TI - Data and analyses of phase relations in the Ce-Fe-Sb ternary system. AB - These data and analyses support the research article "Experimental study on phase relations in the Ce-Fe-Sb ternary system" Zhu et al. (2017) [1]. The data and analyses presented here include the experimental results of XRD, SEM and EPMA for the determination of the whole liquidus projection and the isothermal section at 823 K in the Ce-Fe-Sb system. All the results enable the understanding of the constituent phases and the solidification processes of the as-cast alloys as well as the phase relations and the equilibrium regions at 823 K in the Ce-Fe-Sb ternary system over the entire composition. PMID- 29226211 TI - An 18-subject EEG data collection using a visual-oddball task, designed for benchmarking algorithms and headset performance comparisons. AB - This data note describes an 18-subject EEG (electroencephalogram) data collection from an experiment in which subjects performed a standard visual oddball task. Several research projects have used this data to test artifact detection, classification, transfer learning, EEG preprocessing, blink detection, and automated annotation algorithms. We are releasing the data in three formats to enable benchmarking of EEG algorithms in many areas. The data was acquired using a Biosemi Active 2 EEG headset and includes 64 channels of EEG, 4 channels of EOG (electrooculogram), and 2 mastoid reference channels. PMID- 29226212 TI - Data on fatty acid profiles of green Spanish-style Gordal table olives studied by compositional analysis. AB - This article contains processed data related to the research published in "Tentative application of compositional data analysis to fatty acid profiles of green Spanish-style Gordal table olives" (Garrido-Fernandez et al., 2018) [1]. It provides information on the implementation of compositional data analysis (CoDa) to the fatty acid profiles of Spanish-style Gordal table olives vs the use of conventional statistical analysis (data composition expressed in percentages). Particularly, it includes: i) the matrix of the sequential binary partition used for the balance estimation and the isometric log-ratio transformation (ilr) of the fatty acid profiles, ii) correlation among the diverse fatty acids expressed in percentages and their significances, iii) the ilr transformed values (coordinates in the Euclidean space) obtained following the sequential binary partition previously detailed, iv) the graphical presentation in the Simplex (ternary centred plot) of the treatments as a function of the four fatty acids with the higher log-ratio variances, and v) segregation of treatments based on Cluster Analysis. PMID- 29226213 TI - Reference ranges and reproducibility studies for right heart myocardial deformation by feature tracking cardiovascular magnetic resonance imaging. AB - Feature tracking of the right heart on cardiac MRI is a novel and promising technique for the measurement of right heart myocardial strain. We present here the reference ranges for right ventricular longitudinal strain and strain rate, as well as peak strain of the right atrium within a cohort of 100 healthy individuals recruited from the UK. We present data on the reproducibility of these feature tracking techniques and explore relationship between strain and baseline demographic parameters. PMID- 29226214 TI - The legacy of slavery and contemporary declines in heart disease mortality in the U.S. South. AB - Background: This study aims to characterize the role of county-specific legacy of slavery in patterning temporal (i.e., 1968-2014), and geographic (i.e., Southern counties) declines in heart disease mortality. In this context, the U.S. has witnessed dramatic declines in heart disease mortality since the 1960's, which have benefitted place and race groups unevenly, with slower declines in the South, especially for the Black population. Methods: Age-adjusted race- and county-specific mortality rates from 1968-2014 for all diseases of the heart were calculated for all Southern U.S. counties. Candidate confounding and mediating covariates from 1860, 1930, and 1970, were combined with mortality data in multivariable regression models to estimate the ecological association between the concentration of slavery in1860 and declines in heart disease mortality from 1968-2014. Results: Black populations, in counties with a history of highest versus lowest concentration of slavery, experienced a 17% slower decline in heart disease mortality. The association for Black populations varied by region (stronger in Deep South than Upper South states) and was partially explained by intervening socioeconomic factors. In models accounting for spatial autocorrelation, there was no association between slave concentration and heart disease mortality decline for Whites. Conclusions: Nearly 50 years of declining heart disease mortality is a major public health success, but one marked by uneven progress by place and race. At the county level, progress in heart disease mortality reduction among Blacks is associated with place-based historical legacy of slavery. Effective and equitable public health prevention efforts should consider the historical context of place and the social and economic institutions that may play a role in facilitating or impeding diffusion of prevention efforts thereby producing heart healthy places and populations. Graphical abstract. PMID- 29226215 TI - In Vitro Antifungal Activity of Hexahydropyrimidine Derivatives against the Causative Agents of Dermatomycosis. AB - Nitrogenated heterocyclic compounds are present in both natural and synthetic drugs, and hexahydropyrimidine derivatives may prove to be efficient in treating dermatomycosis causing fungi. This study evaluated the antifungal activity of four hexahydropyrimidine derivatives against the dermatomycosis causing fungi. These derivatives were synthesized, characterized, and assessed in terms of their activity against Trichophyton mentagrophytes, Microsporum canis, Microsporum gypseum, Trichophyton rubrum, Fusarium oxysporum, and Epidermophyton floccosum between concentrations 7.8 and 1,000 MUg mL-1. Scanning electron micrographs were assessed for the active derivatives and reference drugs, and these micrographs revealed that new agents cause morphological changes in fungi. The derivatives HHP1, HHP3, and HHP4 revealed poor activity against the four fungal strains (MICs range 500-1000 MUg mL-1). Compound HHP3 was found to be the best potential antifungal agent among those tested and was the most effective among all the active derivatives that caused morphological changes in the susceptible strains. PMID- 29226216 TI - Prevalence and Associated Factors of Tuberculosis in Prisons Settings of East Gojjam Zone, Northwest Ethiopia. AB - Background: Tuberculosis, mainly in prisoners, is a major public health problem in Ethiopia where there is no medical screening during prison admission. This creates scarcity of TB data in such settings. Objective: To determine prevalence and associated factors of TB in prisons in East Gojjam Zone, Northwest Ethiopia. Methods: A cross-sectional study was conducted from February to May 2016 among 265 prisoners in three prison sites. Sputum was processed using GeneXpert MTB/RIF. Data were analyzed using SPSS version 20.0. Multivariable logistic regression was used; p values = 0.05 were considered statistically significant. Results: Of 265 prisoners, 9 (3.4%) were TB positive (males); 77.8%, 55.6%, and 55.6% of cases were rural dwellers, married, and farmers, respectively. Seven (2.6%) prisoners were HIV positive, and 3 (1.13%) had TB/HIV coinfection. One (0.4%) TB case was rifampicin resistant. Marriage (AOR = 1.5; 95% CI: 1.7, 13.03), HIV (AOR = 0.14; 95% CI: 0.001, 0.17), and sharing of rooms (AOR = 1.62; 95% CI: 2.6, 10.20) were predictors for TB. Conclusion: Nine prisoners were TB positive. One case showed rifampicin resistance and three had TB/HIV coinfection. Marriage, HIV, and sharing of rooms were predictors for TB. Prevention/control and monitoring are mandatory in such settings. PMID- 29226217 TI - Lipid Profile in Tuberculosis Patients with and without Human Immunodeficiency Virus Infection. AB - Background: Understanding whether the preceding low lipid profile leads to active tuberculosis (TB) or active TB leads to low lipid profile is crucial. Methods: Lipid profile concentrations were determined from 159 study participants composed of 93 active TB patients [44 HIV coinfected (HIV+TB+) and 49 HIV negative (HIV TB+)], 41 tuberculin skin test (TST) positive cases [17 HIV coinfected (HIV+TST+) and 24 HIV negative (HIV-TST+)], and 25 healthy controls (HIV-TST-). Cobas Integra 400 Plus was used to determine lipid profiles concentration level. Results: The concentrations of total cholesterol (TC), triglyceride (TG), low density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) in HIV-TB+ patients were significantly lower compared to HIV-TST+ and to HIV-TST- individuals. Similarly, the concentrations of the TC, LDL-C, and HDL-C in HIV+TB+ were significantly lower compared to HIV-TB+ patients. After the 6 months of anti-TB treatment (ATT), the concentration levels of TC, LDL-C, and HDL C in HIV-TB+ patients were higher compared to the baseline concentration levels, while they were not significantly different compared to that of HIV-TST+ concentration. Conclusion: The low concentration of lipid profiles in TB patients may be a consequence of the disease and significantly increased in TB patients after treatment. PMID- 29226218 TI - Clinical effectiveness of the pocket-creation method for colorectal endoscopic submucosal dissection. AB - Background and study aims : Endoscopic submucosal dissection (ESD) is a technically advanced procedure for colorectal tumors. Hayashi et al. invented the "pocket-creation method (PCM)," and reported that Is-type lesions with fibrosis could be efficaciously and safely resected. However, only case studies have been published, and there are no previous reports on the usefulness of PCM in colorectal ESD for all lesions, as compared with the conventional method. This study aimed to evaluate the effectiveness and safety of PCM in colorectal ESD. Patients and methods : Ninety-six colorectal tumors were treated: 47 using the PCM and the other 49, considered the control group, using the conventional method. Therapeutic effectiveness and safety were retrospectively assessed. Results : The comparison between the PCM and control groups revealed higher rates of en bloc resection (100 % vs. 88 %, P = 0.015) and curative endoscopic resection (100 % vs. 84 %, P = 0.0030) with PCM. There was no significant difference in perforation as an adverse event (AE) between the two groups, though perforation was observed in only 6 % of the control group and none of the PCM group. Compared with the control group, the PCM group had lower incidences of perforation and post-ESD coagulation syndrome, and both AEs were associated with excessive thermal denaturation of the muscle layer (2 % vs. 16 %, P = 0.018). Conclusions : This study demonstrated the effectiveness and safety of ESD with PCM for colorectal tumors. Although there is a possible learning curve, PCM enables the endoscopist to safely perform ESD in most cases without encountering the difficulties associated with conventional ESD. PMID- 29226219 TI - Systematic optimization and modification of a DNA aptamer with 2'-O-methyl RNA analogues. AB - Nucleic acid aptamers (NAAs) are short synthetic DNA or RNA molecules that specifically fold into distinct three-dimensional structures able to specifically recognize a target. While NAAs show unprecedented promise in a variety of applications, including sensing, therapeutics and diagnostics, one major limitation involves the lack of stability towards omnipresent nucleases. Therefore, we herein report a systematic truncation and incorporation of 2'-O methyl bases to a DNA aptamer, which results in increased stability without affecting affinity. One of the newly designed analogues is stable up to 24 hours, demonstrating that 2'-O-methyl RNA is an attractive modification to DNA aptamers, especially when therapeutic applications are intended. PMID- 29226220 TI - Initial Results of the Master's Degree Programme in "Leadership in Medicine" - Impact on hospital-based follow-on training of doctors. AB - Objective: This pilot project, which was jointly conducted by a hospital and a university, describes the development of the Master's Degree Programme in Leadership in Medicine, a course designed to supplement medical specialty training. The aim of the pilot project is to demonstrate how hospital-based projects on personnel and organisational development undertaken under academic supervision can be used to increase leadership responsibility among doctors whose duties include providing initial and follow-on training and to professionalise medical specialty training as a leadership task. This need arose from the nationwide requirements and an internal audit regarding follow-on training. The version of the degree programme described below aims to further the personnel development of the participants in the field of didactics. Method: Each of the nine modules is made up of two classroom-based phases and one distance learning phase. The distance learning phase involves undertaking hospital-based projects on personnel and organisational development under academic supervision. The pilot phase participants were hospital doctors who, as part of their duties, hold leadership responsibility or are involved in the follow-on training of doctors. Results: The 17 participants successfully implemented more than 30 hospital-based projects during the distance learning phases of the nine modules. These projects included the development of medical specialty curricula, relevant didactic methods and evaluation design and were subsequently presented and subjected to reflection in interdisciplinary groups. The project presentation together with the project report were regarded as proof of competency. Conclusion: In addition to enhancing participant competency, the degree model described, which interlinks theory and practice, promotes organisational development through the implementation of projects undertaken under academic supervision. This has a double impact on the quality of medical follow-on training at the hospital where the participant is based, for not only is the individual's didactic competency enhanced, but so is the "learning organisation" as a whole as a result of continuous project orientation. PMID- 29226221 TI - Male and female residents in postgraduate medical education - A gender comparative analysis of differences in career perspectives and their conditions in Germany. AB - Aim: This article focuses on the gender-specific career differences of residents in their postgraduate medical education in Germany. In particular the structural obstacles female physicians have to overcome during residency are investigated. Moreover, the study examines the position preferences of male and female physicians in the hospital and in how far occupational self-efficacy corresponds to the interest in a hospital leading position. Methods: The KarMed-Study's database consists of annual postal surveys throughout the entire residency of medical students, who were in their "Practical Year" in 2008/2009. Descriptive statistics and regression models were used in the analysis. Results: Male and female physicians differ in terms of their preferred work place (hospital, ambulatory care, others), hospital position and working hours. Female physicians prefer part-time work and rarely assume leading positions compared to male physicians. In addition, female physicians, especially those with children, need more time to complete their postgraduate training. Female physicians with children are burdened and disadvantaged more often than their female colleagues without children as well as male physicians in general (e.g. belated start and completion of residency, lower rate of doctorate titles, higher quota of part time contracts, short-term employment contracts, and higher rates of residency interruption or termination). Besides gender and doctorate title, the occupational self-efficacy expectation has an influence on the preference of leading positions in hospitals. Respondents with a low occupational self-efficacy score are less likely to strive for leading positions with more responsibilities than those with a high score. Conclusion: The results demonstrate clear gender disparities in postgraduate training. Female physicians, especially those with children, are disadvantaged in various areas when compared with their male colleagues. In particular, the low rate of doctorate titles and the low score of self-efficacy expectation are associated negatively with the willingness to aim at leading positions in hospitals. Special measures and programmes should be developed for female physicians to counteract these differences. PMID- 29226222 TI - Learning processes and learning problems in German postgraduate medical education. AB - Objective: In order to evaluate the quality of postgraduate medical education in Germany, we examined how the learning of theoretical and practical competencies is conceptualized and how the learning process takes place in real terms. The training conditions, as perceived by medical residents, are compared with the learning objectives, as stated by the Federal Chamber of Physicians in its regulation on postgraduate education. The analysis is based on the data of the "KarMed" study (abbreviation of "career progression and career breaks among physicians during postgraduate education"), a multicentre cohort study of medical school graduates from seven universities who arre followed until they receive their licenses as specialist physicians. The study was conducted by the Institute of Primary Medical Care of the University Medical Center Hamburg-Eppendorf starting in 2008. Methodology: The KarMed study is based on annual, standardized surveys of the population described above. 48% responded in the initial survey (n=1012) and 85% or more in each of the following surveys. Descriptive statistics and logistical regressions were used for analysis. Gender-specific analyses were performed where possible in order to highlight the differences in the professional objectives and workloads between female and male physicians. Results: The study shows that both the practical and the theoretical components of postgraduate medical education in Germany are insufficient. There is a lack of a curriculum with precise learning objectives and descriptions of the corresponding educational settings. In fact, the act of learning is identical to daily clinical work. There is no structuring of the work process with regard to learning; for example, documentation procedures and feedback discussions are prescribed but largely omitted. Evidence-based medicine is not a systematic part of the training, nor is the evaluation of residents' progress. The summative final oral examination pretends that the necessary specialist competencies can be evaluated within 30 minutes. Many factors indicate that female doctors, especially those with children, have fewer learning opportunities than male doctors. Conclusion: The quality of postgraduate medical education in Germany has become inadequate, especially in an international comparison. The deficits are well known. The responsible institutions are called upon to implement sustainable reforms in the sense of postgraduate education that is structured according to educational principles and whose quality is assured. PMID- 29226223 TI - Three years of experience with a workshop for medical specialty examiners in South Baden: A project report and initial evaluation results. AB - Introduction: An oral exam (30-60 minutes) is administered at the end of every post-graduate medical specialty program or is required to attain additional specialized qualifications. In both undergraduate and post-graduate medical education oral exams are not considered to be very objective or reliable. To improve the quality of exams in medical specialties, the Regional Medical Association for South Baden (Bezirksarztekammer Sudbaden) decided in 2013 to offer a training program for head examiners and others responsible for administering exams in medical specialties. Project Description: Following a survey of examiners and examinees conducted from January through June, 2013, on the difficulty level of examination questions, satisfaction with the test, and the need for training in administering exams, the first workshop of its kind was designed. Since 2013, six workshops with a total of 93 participants have been held and evaluated. Results: The evaluations (response rate: 86%) showed a high level of acceptance for the concept behind the training. A large number of participants felt the need to define minimum standards for exams, to standardize the required level of difficulty and the assessment criteria in each subject, and to give examiners the appropriate tools needed to improve the validity and reliability of the exams. Conclusion: Offering a training program for those responsible for administering medical specialty exams appears to be both meaningful and necessary in order to meet the existing need for increased validity and reliability. In light of the initial experiences with this workshop and the differing percentages of failed exam attempts nationwide, the implementation of examiner training is to be recommended in other regions in Germany. In other European countries examiners conducting medical specialty exams undergo appropriate training before administering their first exam. PMID- 29226224 TI - An application of programmatic assessment for learning (PAL) system for general practice training. AB - Aim: Programmatic assessment for learning (PAL) is becoming more and more popular as a concept but its implementation is not without problems. In this paper we describe the design principles behind a PAL program in a general practice training context. Design principles: The PAL program was designed to optimise the meaningfulness of assessment information for the registrar and to make him/her use that information to self regulate their learning. The main principles in the program were cognitivist and transformative. The main cognitive principles we used were fostering the understanding of deep structures and stimulating transfer by making registrars constantly connect practice experiences with background knowledge. Ericsson's deliberate practice approach was built in with regard to the provision of feedback combined with Pintrich's model of self regulation. Mezirow's transformative learning and insights from social network theory on collaborative learning were used to support the registrars in their development to become GP professionals. Finally the principal of test enhanced learning was optimised. Epilogue: We have provided this example explain the design decisions behind our program, but not want to present our program as the solution to any given situation. PMID- 29226225 TI - The use of a portfolio in postgraduate medical education - reflect, assess and account, one for each or all in one? AB - Competency-based education has become central to the training and assessment of post-graduate medical trainees or residents [1]. In competency-based education, there is a strong focus on outcomes and professional performance. Typically, holistic tasks are used to train, practice and assess the defined outcomes or competencies. In residency training, these tasks are part of the day-to-day clinical practice. The performance of residents in the workplace needs to be captured and stored. A portfolio has been used as an instrument for storage and collection of workplace-based assessment and feedback in various countries, like the Netherlands and the United States. The collection of information in a portfolio can serve or be used for a variety of purposes. These are: The collection of work samples, assessment, feedback and evaluations in a portfolio enables the learner to look back, analyze and reflect. The content is used for assessment or making decisions about progress. And the portfolio is used as an instrument for quality assurance processes. In post-graduate medical education, these purposes can be combined but this is not always reported transparently. In this paper, we will discuss the different perspectives, how a portfolio can serve these three purposes and what are opportunities and challenges of combining multiple purposes. PMID- 29226226 TI - Work-based Assessment and Co-production in Postgraduate Medical Training. AB - Assessment has always been an essential component of postgraduate medical education and for many years focused predominantly on various types of examinations. While examinations of medical knowledge and more recently of clinical skills with standardized patients can assess learner capability in controlled settings and provide a level of assurance for the public, persistent and growing concerns regarding quality of care and patient safety worldwide has raised the importance and need for better work-based assessments. Work-based assessments, when done effectively, can more authentically capture the abilities of learners to actually provide safe, effective, patient-centered care. Furthermore, we have entered the era of interprofessional care where effective teamwork among multiple health care professionals is now paramount. Work-based assessment methods are now essential in an interprofessional healthcare world. To better prepare learners for these newer competencies and the ever-growing complexity of healthcare, many post-graduate medical education systems across the globe have turned to outcomes-based models of education, codified through competency frameworks. This commentary provides a brief overview on key methods of work-based assessment such as direct observation, multisource feedback, patient experience surveys and performance measures that are needed in a competency-based world that places a premium on educational and clinical outcomes. However, the full potential of work-based assessments will only be realized if post-graduate learners play an active role in their own assessment program. This will require a substantial culture change, and culture change only occurs through actions and changed behaviors. Co-production offers a practical and philosophical approach to engaging postgraduate learners to be active, intrinsically motivated agents for their own professional development, help to change learning culture and contribute to improving programmatic assessment in post-graduate training. PMID- 29226227 TI - Online Platform as a Tool to Support Postgraduate Training in General Practice - A Case Report. AB - Objective: Physicians in postgraduate training (PPT) in General Practice (GP) typically have very little interaction with their peers, as there is usually only one resident physician working in their respective department or GP office at a given time. Therefore, the online platform KOLEGEA, presented here, aims to support postgraduate training in general practice (PT in GP) in Germany through virtual interaction. Methodology: In 2012, the interdisciplinary research project KOLEGEA set up an online platform that any physicians in PT in GP can use for free after registration with their unitary continuous education number (Einheitliche Fortbildungsnummer, EFN). It offers problem-based learning and allows to discuss self-published anonymized patient cases with the community that can be classified and discussed with experienced mentors (specialists in general practice - GPs) in small virtual groups. Results: An anonymous online survey carried out as part of the 2014 project evaluation showed a good acceptance of the platform, even though shortage of time was mentioned as a limiting factor for its use. Data analysis showed that KOLEGEA was used by PPT in GP in all federal states. Patterns of passive use were predominant (90%). This report also describes the further development of the platform (in 2015 and 2016) that integrates an activity monitor as part of a gamification concept. Conclusions: Due to a low response rate of the 2014 online survey and the preliminary evaluations of usage patterns we could identify only initial trends regarding the role of KOLEGEA in supporting PPT. The platform was perceived as a helpful supplement to better structure PT in GP. PMID- 29226228 TI - Seminar program for postgraduate specialty training in general practice: proposal for a 5-year thematic catalogue. AB - Introduction: In different German regions, seminar programs have been conducted for General practice residents. In each region, selection and teaching of learning content is conducted in a different manner. So far, no structured, standardized curriculum has been implemented nationwide. We have investigated, if the development of a common 5-year program of learning topics is conceivable between the different university departments of General practice in Germany. Method: The seminar program working group of the DEGAM (German College of General Practitioners and Family Physicians) has conducted an online survey based on information gathered via preliminary telephone conference (n=7; physicians with postgraduate teaching experience) among all German university departments of General Practice and two non-university teaching institutions, identified via the internet. 884 topics were extracted from 14 Seminar programs. The topics were entered in a database, discussed and categorized: Practice management/practice work flow/standardized documentation forms/quality management (n=33 topics), common acute and chronic diseases, including disease management programs (n=29 topics), communication, neurological, psychological and psychiatric consultations (n=24 topics), common medical problems, including eye, ear, nose, throat, skin and pediatric problems (n=99 Topics) family physicians general approach, including epidemiology, shared decision making, test of time (n=42 Topics). These topics have been rated for priority and desirable number of teaching-units. Results: A catalogue of 111 topics was designed, encompassing 160 teaching units. There is a suggestion of wide topics collections plus an add-on catalogue. Conclusion: A proposal for a 5-year-thematic catalogue for postgraduate training of general practice residents in Germany has been developed. This newly developed curriculum has the potential to improve knowledge and skills that have not been covered during in-house and ambulatory general practice residencies. PMID- 29226229 TI - Subspecialisation in Emergency Radiology: Proposal for a harmonised European curriculum. AB - Introduction: Radiology plays a crucial role in the emergency care setting by delivering early and precise diagnoses under pressure of time, right at the beginning of patient treatment. Although there is a need for postgraduate education in emergency radiology, most of the national bodies responsible do not offer it in a uniform fashion and a general proof of qualification is missing in Europe. Therefore, the European Society of Radiology (ESR) has founded the (Sub )Society of Emergency Radiology (ESER), prompting them to develop a European curriculum. This trend, which is currently also encouraged in many other non radiological specialties which demand the highest professional qualifications, often lacks expertise in medical education. Goals: The goal of this article is the general description of the curricular planning process for a European postgraduate subspecialisation programme, using the example of Emergency Radiology (European Diploma in Emergency Radiology, EDER), including the utilisation of TOOLS and recommendations derived from comparable projects. Project description: The project was divided into partial steps: the timeline displayed in a GANTT chart, and tasks and responsibilities assigned in a RASCI matrix. The curriculum was iteratively developed using the KERN approach and steps were prioritised using the PARETO principle. Furthermore, the following TOOLS were used: limitations and needs assessment, SWOT analysis, formulating learning objectives and categorising them after MILLER and SCLO, and using BLOOM's taxonomy for cognitive learning objectives and operationalising them according to MAGER. Psychomotoric and affective learning objectives were assigned to CANMEDS roles, grouped by topic using CLUSTERING, and then mapped by MATRIX analysis to appropriate learning and evaluation methods. Striving for continuous improvement, the curriculum was finally embedded in curricular quality management. Results: The standardisation of the EDER access, considering the different national conditions, the minimisation of European learners' attendance phases, restricting expenses by best possible use of existing structures, respecting the requirements and retaining the support of the European umbrella society ESR, finishing the project by a specific deadline and the demands of continuous improvement were particular challenges. A curriculum with the eligibility of five years' speciality training in general radiology has evolved on schedule. The subspeciality training lasts at least one year and is divided into webinars, workshops during congresses (e.g. the annual ESR and ESER congresses) and one year practical training at the individual learner's corresponding local hospitals, which adhere to a catalogue of requirements, comparable to national educational policies. The curriculum is completed by passing a written and oral exam (diploma) and re-accreditation every five years. Conclusions: Despite complex requirements, the TOOLS utilised allowed an almost seamless, resource-minimised, professional, location-independent distributed development of a European subspeciality curriculum within one year. The definitive implementation is still due. If any deviations from the draft presented should become necessary in the future, the embedment in the curricular quality management will lead to a redirection in the right way and, furthermore, secure a continuous improvement in the best way possible. PMID- 29226230 TI - New paths in post-graduate medical training in general practice - 8 years of experience with the pilot project Verbundweiterbildungplus Baden-Wurttemberg. AB - Background: In face of the looming shortage of general practitioners, primary healthcare providers and post-graduate training in general practice are increasingly becoming part of the political agenda in Germany. In 2009 the program "Verbundweiterbildung plus Baden-Wurttemberg" (VWB plus BW) was developed by the Competence Center for General Practice in Baden-Wuerttemberg to ensure primary healthcare in the future by enhancing the attractiveness of general medicine. This paper describes the experiences that have been gathered in developing a post-graduate training-program for physicians undergoing specialist training in general practice. Project description: The Competence Center for General Practice in Baden-Wuerttemberg supports the organization of regional networks dedicated to post-graduate medical education. First core element of the VWB plus BW program is a special seminar series for physicians pursuing post graduate training. This seminar program is aligned with the German competency based curriculum in general medicine and is meant to promote medical expertise and other related competencies, such as business and medical practice management and communication skills. Mentoring and advising the physicians regarding professional and personal planning form the second core element. The third core element is seen in the train-the-trainer seminars that address the competencies of the trainers. In order to focus the program's content closely on the needs of the target groups, scientifically based evaluations and research are carried out. Results: Since starting in 2009, 685 physicians have entered the program and 141 have passed the examination to become medical specialists (as of December 2016). In total, 31 networks, 60 hospitals and 211 general practices have participated. The seminar sessions have been rated on average with 1.43 on a six-point Likert scale by the physician trainees (1=extremely satisfied, 6=extremely dissatisfied). Alongside the medical training, these physicians viewed the exchange of information and experiences with other physicians as very positive and important. In 185 seminars lasting 90 minutes each, the seminar program has presently covered 250 out of 320 units in the competency-based curriculum for general medicine. A total of 281 trainers have been trained in 13 train-the trainer courses and have rated this course on average with 1.36 on a six-point Likert scale. Above all, the trainers emphasized the exchange of information and experiences with other trainers as very positive. In 2013 the DEGAM concept for its Verbundweiterbildungplus program was developed based on that of the VWB plus BW. Since 2008 over 40 articles on the topic of post-graduate medical education have been published. Conclusion: The steadily increasing number of participants over the years demonstrates that the VWB plus BW is relevant for recent medical graduates and contributes to the attractiveness of general practice. The consistently excellent evaluations of the training program and the train-the trainer course affirm the focus on the needs of the target groups. The post graduate VWB plus BW program advances structured, competency-based and quality oriented specialist training and fosters professional sharing between physicians something that could also be relevant for other fields. The increasing numbers of participating physicians and specialists in general practice in Baden Wurttemberg lead to the conclusion that the VWB plus BW program positively influences the number of general practitioners. PMID- 29226231 TI - The postgraduate medical education pathway: an international comparison. AB - An at first sight seemingly coherent, global medical workforce, with clearly recognizable specialities, subspecialties and primary care doctors, appears at a closer look quite variable. Even within the most progressive countries as to the development of medical education, with educators who regularly meet at conferences and share major journals about medical education, the differences in structures and regulations are big. This contribution focuses on the preparation, admission policy, duration, examinations, and national competency frameworks in postgraduate speciality training in Germany, the USA, Canada, the UK, Australia and the Netherlands. While general objectives for postgraduate training programs have not been very clear, only recently competency-frameworks, created in a limited number of countries, serve harmonize objectives. This process appears to be a challenge and the recent creation of milestones for the reporting on progress of individual trainees (in the US and in Canada in different ways) and the adoption of entrustable professional activities, a most recent concept that is quickly spreading internationally as a framework for teaching and assessing in the clinical workplace is an interesting and hopeful development, but time will tell whether true harmonization across countries will happen. PMID- 29226232 TI - Connecting undergraduate and postgraduate medical education through an elective EPA-based transitional year in acute care: an early project report. AB - Objective: A well-designed final year may ease the transition from medical school to postgraduate training, if it has enough depth to enable the acquisition of early specialty expertise, while keeping enough breadth to support the graduation as all-round physician. Aim of this article is to describe the design of a multidisciplinary dedicated transitional year (DTY) around the theme of recognition and initial treatment of vitally threatened patients. Methods: Undergraduate and postgraduate training directors from the departments of Anaesthesiology, Cardiology, Emergency Medicine, Intensive Care Medicine and Respiratory Medicine at UMC Utrecht and partnering hospitals have collaboratively developed and implemented a curriculum for a final year focusing on three entrustable professional activities (EPAs) in the domain of acute care. These EPAs represent authentic tasks of starting residents in each of the participating specialties, align student training objectives with postgraduate expectations, and are the primary focus of learning, teaching, and assessment throughout the year. Students are developmentally supported by a mentor and educationally supported by monthly academic half days. Results: Between October 2014 and November 2016,, 47 students chose DTY Acute Care. The set-up of our DTY is inspiring other specialties to develop multidisciplinary DTYs. Attainment of clinical competence, experience of students and staff, and exploration of graduates' early careers are subjects of current research projects. Conclusion: This multidisciplinary dedicated transitional year aims to graduate students with profile-specific competence in acute care. It prepares for residency in a range of specialties. PMID- 29226233 TI - Medical students' preparation for the transition to postgraduate training through final year elective rotations. AB - Objectives: This study adds to the ongoing discussion on how to ease the transition from undergraduate medical training to postgraduate training. In the Netherlands there is no central matching system for admission to residency. Medical school graduates just apply for a position in an open job market. Many choose to acquire general or specialty-specific clinical experiences after the medical degree before residency, to further explore career opportunities and to increase their chances to get into their preferred specialty. To shorten this gap between undergraduate and the start of postgraduate training, the sixth and final year of most Dutch medical schools is designed as a "transitional year". Students work with more clinical responsibilities than in the earlier clerkships, and this year includes many elective options. Our study focuses on these elective options and explores how medical students use these transitional year electives to prepare for transition to postgraduate training. Methods: In 2012-2013 we asked all 274 graduating students at one Dutch medical school to complete an open answer questionnaire with the following topics: their preferred specialty at the start of the transitional year, electives they chose during this year and reasons for these choices, and whether the transitional year electives changed their career considerations. Questionnaire results were coded by two researchers and were discussed with all members of the research team. Results: A total of 235 students responded (86%). Answers about motivation for choices revealed that most electives where chosen for career orientation and to optimize chances to get into a residency program. Students also focused on additional experiences in specialties related to their preferred specialty. Many students chose electives logically related to each other, e.g. combinations of surgery and radiology. About two-thirds of the respondents stated that their elective experiences did confirm their specialty preferences or resulted in a more clear insight. Conclusion: We conclude that students use the transitional year electives to focus on their future postgraduate training program, i.e. for orientation and to align their curriculum vitae with their preferred specialty, resulting in spontaneous early specialty streaming. To take advantages of this streaming, and to make sure students can transfer their experiences to other specialties if their career preferences change, individual elective Entrustable Professional Activities (EPAs), next to the core EPAs for all medical students, may serve to prepare a smooth transition to a specialty of choice and should be fully documented. PMID- 29226234 TI - Implementation of a Clinical Reasoning Course in the Internal Medicine trimester of the final year of undergraduate medical training and its effect on students' case presentation and differential diagnostic skills. AB - Background: Clinical reasoning, comprising the processes of clinical thinking, which form the basis of medical decisions, constitutes a central competence in the clinical routine on which diagnostic and therapeutic steps are based. In medical curricula in Germany, clinical reasoning is currently taught explicitly only to a small extend. Therefore, the aim of this project was to develop and implement a clinical reasoning course in the final year of undergraduate medical training. Project description: A clinical reasoning course with six learning units and 18 learning objectives was developed, which was taught by two to four instructors on the basis of 32 paper cases from the clinical practice of the instructors. In the years 2011 to 2013, the course of eight weeks with two hours per week was taught seven times. Before the first and after the last seminar, the participating students filled out a self-assessment questionnaire with a 6-point Likert scale regarding eight different clinical reasoning skills. At the same times, they received a patient case with the assignment to prepare a case presentation and differential diagnoses. Results: From 128 participating students altogether, 42 complete data sets were available. After the course, participants assessed themselves significantly better than before the course in all eight clinical reasoning skills, for example in "Summarizing and presentation of a paper case" or in the "Skill to enumerate differential diagnoses" (p<0.05). The greatest increase occurred in the skill to recognize typical cognitive errors in medicine and to identify risk situations for their occurrence (pre: 2.98+/-0.92 and retro-pre: 2.64+/-1.01, respectively, versus post: 4.38+/-0.88). Based on the ratio of number of words used per keywords used the problem presentation of the paper case was significantly more focused after the course (p=0.011). A significant increase in the number of gathered differential diagnoses was not detected after the course. Conclusion: The newly developed and established Clinical Reasoning Course leads to a gain in the desired skills from the students' self-assessment perspective and to a more structured case presentation. To establish better options to exercise clinical reasoning, a longitudinal implementation in the medical curriculum seems to be desirable. Faculty training would be useful to implement the concept as standardized as possible. PMID- 29226235 TI - Entrustable professional activities in post-licensure training in primary care pediatrics: Necessity, development and implementation of a competency-based post graduate curriculum. AB - There is an absence of broad-based and binding curricular requirements for structured competency-based post-graduate medical training in Germany, and thus no basis for comparing the competencies of physicians undergoing training in a medical specialty (Arzte im Weiterbildung). In response, the German Society of Primary Care Pediatrics' working group on post-graduate education (DGAAP) has identified realistic entrustable professional activities (EPAs) in primary care, defined their number, scope and content, selected competency domains, specified required knowledge and skills, and described appropriate assessment methods. These guidelines are referred to as PaedCompenda and can be accessed electronically by educators in pediatric medicine; the use and effectiveness of these guidelines are monitored by the German Association for Medical Education's committee on post-graduate education (GMA). Teaching and training in pediatric medicine should take EPAs into consideration. To accomplish this, phases dedicated to primary care should be integrated into formal medical specialty training. Primary care pediatrics must enhance the sites where such training takes place into learning environments that prepare physicians trainees and turn the practicing specialists into mentoring educators. PMID- 29226236 TI - Self-Assessment of competence during post-graduate training in general medicine: A preliminary study to develop a portfolio for further education. AB - Awareness of one's own strengths and weaknesses is a key qualification for the specialist physician. We examined how physicians undergoing specialist training in general medicine rate themselves in different areas. For this purpose, 139 participants receiving post-graduate training in general practice offered by the Medical Association of Westfalen-Lippe assessed themselves regarding their subjective confidence in 20 core competencies and 47 situations involving patient counseling in general practice. Their self-assessments were recorded on a five point Likert scale. The study questions addressed acceptance and practicability of self-assessment, mean values, reliability, stratification and plausibility of the results in group comparison. On average participants rated their subjective confidence with 3.4 out of 5 points. The results are self-consistent (Cronbach's alpha >0.8), although there are considerable differences among competencies and among participants. The latter can be explained partly by biographical data, which supports the plausibility of the data. Participants stated that regularly gathering data on subjective learning needs and the discussion of these needs with mentors and trainers contributes to improving their specialist training. Elements for self-assessment are suitable for integration into a postgraduate training portfolio. These should be supplemented by formative assessment procedures. PMID- 29226238 TI - Postgraduate Medical Education - an increasingly important focus of study and innovation. PMID- 29226237 TI - Competency-Based Postgraduate Medical Education: Past, Present and Future. AB - Since the turn of the twenty-first century, competency-based medical education (CBME) has become a dominant approach to postgraduate medical education in many countries. CBME has a history dating back half a century and is rooted in general educational approaches such as outcome-based education and mastery learning. Despite controversies around the terminology and the CBME approach, important national medical regulatory bodies in Canada, the United States, and other countries have embraced CBME. CBME can be characterized as having two distinct features: a focus on specific domains of competence, and a relative independence of time in training, making it an individualized approach that is particularly applicable in workplace training. It is not the length of training that determines a person's readiness for unsupervised practice, but the attained competence or competencies. This shift in focus makes CBME different from traditional training. In this contribution, definitions of CBME and related concepts are detailed. PMID- 29226239 TI - Deconstructing the Tissue Engineered Vascular Graft: Evaluating Scaffold Pre Wetting, Conditioned Media Incubation, and Determining the Optimal Mononuclear Cell Source. AB - Stenosis limits widespread use of tissue-engineered vascular grafts (TEVGs), and bone marrow mononuclear cell (BM-MNC) seeding attenuates this complication. Yet seeding is a multistep process, and the singular effects of each component are unknown. We investigated which components of the clinical seeding protocol confer graft patency and sought to identify the optimal MNC source. Scaffolds composed of polyglycolic acid and epsilon-caprolactone/iota-lactic acid underwent conditioned media (CM) incubation (n = 25) and syngeneic BM-MNC (n = 9) or peripheral blood (PB)-MNC (n = 20) seeding. TEVGs were implanted for 2 weeks in the mouse IVC. CM incubation and PB-MNC seeding did not increase graft patency compared to control scaffolds prewet with PBS (n = 10), while BM-MNC seeding reduced stenosis by suppressing inflammation and smooth muscle cell, myofibroblast, and pericyte proliferation. IL-1beta, IL-6, and TNFalpha were elevated in the seeded BM-MNC supernatant. Further, BM-MNC seeding reduced platelet activation in a dose-dependent manner, possibly contributing to TEVG patency. PMID- 29226240 TI - Optical computed tomography for spatially isotropic four-dimensional imaging of live single cells. AB - Quantitative three-dimensional (3D) computed tomography (CT) imaging of living single cells enables orientation-independent morphometric analysis of the intricacies of cellular physiology. Since its invention, x-ray CT has become indispensable in the clinic for diagnostic and prognostic purposes due to its quantitative absorption-based imaging in true 3D that allows objects of interest to be viewed and measured from any orientation. However, x-ray CT has not been useful at the level of single cells because there is insufficient contrast to form an image. Recently, optical CT has been developed successfully for fixed cells, but this technology called Cell-CT is incompatible with live-cell imaging due to the use of stains, such as hematoxylin, that are not compatible with cell viability. We present a novel development of optical CT for quantitative, multispectral functional 4D (three spatial + one spectral dimension) imaging of living single cells. The method applied to immune system cells offers truly isotropic 3D spatial resolution and enables time-resolved imaging studies of cells suspended in aqueous medium. Using live-cell optical CT, we found a heterogeneous response to mitochondrial fission inhibition in mouse macrophages and differential basal remodeling of small (0.1 to 1 fl) and large (1 to 20 fl) nuclear and mitochondrial structures on a 20- to 30-s time scale in human myelogenous leukemia cells. Because of its robust 3D measurement capabilities, live-cell optical CT represents a powerful new tool in the biomedical research field. PMID- 29226241 TI - Raman spectroscopy imaging reveals interplay between atherosclerosis and medial calcification in the human aorta. AB - Medial calcification in the human aorta accumulates during aging and is known to be aggravated in several diseases. Atherosclerosis, another major cause of cardiovascular calcification, shares some common aggravators. However, the mechanisms of cardiovascular calcification remain poorly understood. To elucidate the relationship between medial aortic calcification and atherosclerosis, we characterized the cross-sectional distributions of the predominant minerals in aortic tissue, apatite and whitlockite, and the associated extracellular matrix. We also compared the cellular changes between atherosclerotic and nonatherosclerotic human aortic tissues. This was achieved through the development of Raman spectroscopy imaging methods that adapted algorithms to distinguish between the major biomolecules present within these tissues. We present a relationship between apatite, cholesterol, and triglyceride in atherosclerosis, with the relative amount of all molecules concurrently increased in the atherosclerotic plaque. Further, the increase in apatite was disproportionately large in relation to whitlockite in the aortic media directly underlying a plaque, indicating that apatite is more pathologically significant in atherosclerosis-aggravated medial calcification. We also discovered a reduction of beta-carotene in the whole aortic intima, including a plaque in atherosclerotic aortic tissues compared to nonatherosclerotic tissues. This unprecedented biomolecular characterization of the aortic tissue furthers our understanding of pathological and physiological cardiovascular calcification events in humans. PMID- 29226242 TI - Intracerebroventricular delivery of hematopoietic progenitors results in rapid and robust engraftment of microglia-like cells. AB - Recent evidence indicates that hematopoietic stem and progenitor cells (HSPCs) can serve as vehicles for therapeutic molecular delivery to the brain by contributing to the turnover of resident myeloid cell populations. However, such engraftment needs to be fast and efficient to exert its therapeutic potential for diseases affecting the central nervous system. Moreover, the nature of the cells reconstituted after transplantation and whether they could comprise bona fide microglia remain to be assessed. We demonstrate that transplantation of HSPCs in the cerebral lateral ventricles provides rapid engraftment of morphologically, antigenically, and transcriptionally dependable microglia-like cells. We show that the cells comprised within the hematopoietic stem cell compartment and enriched early progenitor fractions generate this microglia-like population when injected in the brain ventricles in the absence of engraftment in the bone marrow. This delivery route has therapeutic relevance because it increases the delivery of therapeutic molecules to the brain, as shown in a humanized animal model of a prototypical lysosomal storage disease affecting the central nervous system. PMID- 29226243 TI - Single-frame 3D fluorescence microscopy with ultraminiature lensless FlatScope. AB - Modern biology increasingly relies on fluorescence microscopy, which is driving demand for smaller, lighter, and cheaper microscopes. However, traditional microscope architectures suffer from a fundamental trade-off: As lenses become smaller, they must either collect less light or image a smaller field of view. To break this fundamental trade-off between device size and performance, we present a new concept for three-dimensional (3D) fluorescence imaging that replaces lenses with an optimized amplitude mask placed a few hundred micrometers above the sensor and an efficient algorithm that can convert a single frame of captured sensor data into high-resolution 3D images. The result is FlatScope: perhaps the world's tiniest and lightest microscope. FlatScope is a lensless microscope that is scarcely larger than an image sensor (roughly 0.2 g in weight and less than 1 mm thick) and yet able to produce micrometer-resolution, high-frame rate, 3D fluorescence movies covering a total volume of several cubic millimeters. The ability of FlatScope to reconstruct full 3D images from a single frame of captured sensor data allows us to image 3D volumes roughly 40,000 times faster than a laser scanning confocal microscope while providing comparable resolution. We envision that this new flat fluorescence microscopy paradigm will lead to implantable endoscopes that minimize tissue damage, arrays of imagers that cover large areas, and bendable, flexible microscopes that conform to complex topographies. PMID- 29226244 TI - Transport properties of carbonated silicate melt at high pressure. AB - Carbon dioxide, generally considered as the second most abundant volatile component in silicate magmas, is expected to significantly influence various melt properties. In particular, our knowledge about its dynamical effects is lacking over most of Earth's mantle pressure regime. Here, we report the first-principles molecular dynamics results on the transport properties of carbonated MgSiO3 liquid under conditions of mantle relevance. They show that dissolved CO2 systematically enhances the diffusion rates of all elements and lowers the melt viscosity on average by factors of 1.5 to 3 over the pressure range considered. It is remarkable that CO2 has very little or no influence on the electrical conductivity of the silicate melt under most conditions. Simulations also predict anomalous dynamical behavior, increasing diffusivity and conductivity and decreasing viscosity with compression in the low-pressure regime. This anomaly and the concomitant increase of pressure and temperature with depth together make these transport coefficients vary modestly over extended portions of the mantle regime. It is possible that the melt electrical conductivity under conditions corresponding to the 410- and 660-km seismic discontinuities is at a detectable level by electromagnetic sounding observation. In addition, the low melt viscosity values of 0.2 to 0.5 Pa?s at these depths and near the core-mantle boundary may imply high mobility of possible melts in these regions. PMID- 29226245 TI - Multivalent ions induce lateral structural inhomogeneities in polyelectrolyte brushes. AB - Subtle details about a polyelectrolyte's surrounding environment can dictate its structural features and potential applications. Atomic force microscopy (AFM), surface forces apparatus (SFA) measurements, and coarse-grained molecular dynamics simulations are combined to study the structure of planar polyelectrolyte brushes [poly(styrenesulfonate), PSS] in a variety of solvent conditions. More specifically, AFM images provide a first direct visualization of lateral inhomogeneities on the surface of polyelectrolyte brushes collapsed in solutions containing trivalent counterions. These images are interpreted in the context of a coarse-grained molecular model and are corroborated by accompanying interaction force measurements with the SFA. Our findings indicate that lateral inhomogeneities are absent from PSS brush layers collapsed in a poor solvent without multivalent ions. Together, AFM, SFA, and our molecular model present a detailed picture in which solvophobic and multivalent ion-induced effects work in concert to drive strong phase separation, with electrostatic bridging of polyelectrolyte chains playing an essential role in the collapsed structure formation. PMID- 29226246 TI - Global patterns of dust and bedrock nutrient supply to montane ecosystems. AB - A global compilation of erosion rates and modeled dust fluxes shows that dust inputs can be a large fraction of total soil inputs, particularly when erosion is slow and soil residence time is therefore long. These observations suggest that dust-derived nutrients can be vital to montane ecosystems, even when nutrient supply from bedrock is substantial. We tested this hypothesis using neodymium isotopes as a tracer of mineral phosphorus contributions to vegetation in the Sierra Nevada, California, where rates of erosion and dust deposition are both intermediate within the global compilation. Neodymium isotopes in pine needles, dust, and bedrock show that dust contributes most of the neodymium in vegetation at the site. Together, the global data sets and isotopic tracers confirm the ecological significance of dust in eroding mountain landscapes. This challenges conventional assumptions about dust-derived nutrients, expanding the plausible range of dust-reliant ecosystems to include many temperate montane regions, despite their relatively high rates of erosion and bedrock nutrient supply. PMID- 29226247 TI - In operando x-ray imaging of nanoscale devices: Composition, valence, and internal electrical fields. AB - We introduce a method for directly imaging depletion layers in operando with elemental specificity and chemical speciation at sub-100 nm spatial resolution applicable to today's three-dimensional electronic architectures. These typically contain complex, multicomponent designs consisting of epitaxial heterostructures, buried domains, or nanostructures with different shapes and sizes. Although the variety of devices is immense, they commonly rely on carrier separation in a built-in potential induced by composition or strain gradients. To image these, we scanned a focused synchrotron x-ray nanobeam over a single semiconductor nanowire heterostructure and simultaneously measured the current through the device and the emitted characteristic x-rays as a function of the incoming hard x-ray energy. With these results, it is possible to identify the compositional and molecular structure as well as localize the electrical fields present under typical working conditions. This information allows us to draw an energy band diagram consistent with the elemental distribution and a high-resolution chemical speciation map. PMID- 29226248 TI - Deep tissue optical focusing and optogenetic modulation with time-reversed ultrasonically encoded light. AB - Noninvasive light focusing deep inside living biological tissue has long been a goal in biomedical optics. However, the optical scattering of biological tissue prevents conventional optical systems from tightly focusing visible light beyond several hundred micrometers. The recently developed wavefront shaping technique time-reversed ultrasonically encoded (TRUE) focusing enables noninvasive light delivery to targeted locations beyond the optical diffusion limit. However, until now, TRUE focusing has only been demonstrated inside nonliving tissue samples. We present the first example of TRUE focusing in 2-mm-thick living brain tissue and demonstrate its application for optogenetic modulation of neural activity in 800 MUm-thick acute mouse brain slices at a wavelength of 532 nm. We found that TRUE focusing enabled precise control of neuron firing and increased the spatial resolution of neuronal excitation fourfold when compared to conventional lens focusing. This work is an important step in the application of TRUE focusing for practical biomedical uses. PMID- 29226249 TI - Direct N-alkylation of unprotected amino acids with alcohols. AB - N-alkyl amino acids find widespread application as highly valuable, renewable building blocks. However, traditional synthesis methodologies to obtain these suffer from serious limitations, providing a major challenge to develop sustainable alternatives. We report the first powerful catalytic strategy for the direct N-alkylation of unprotected alpha-amino acids with alcohols. This method is highly selective, produces water as the only side product leading to a simple purification procedure, and a variety of alpha-amino acids are mono- or di-N alkylated, in most cases with excellent retention of optical purity. The hydrophobicity of the products is tunable, and even simple peptides are selectively alkylated. An iron-catalyzed route to mono-N-alkyl amino acids using renewable fatty alcohols is also described that represents an ideal green transformation for obtaining fully bio-based surfactants. PMID- 29226250 TI - Tip-enhanced ablation and ionization mass spectrometry for nanoscale chemical analysis. AB - Spectroscopic methods with nanoscale lateral resolution are becoming essential in the fields of physics, chemistry, geology, biology, and materials science. However, the lateral resolution of laser-based mass spectrometry imaging (MSI) techniques has so far been limited to the microscale. This report presents the development of tip-enhanced ablation and ionization time-of-flight mass spectrometry (TEAI-TOFMS), using a shell-isolated apertureless silver tip. The TEAI-TOFMS results indicate the capability and reproducibility of the system for generating nanosized craters and for acquiring the corresponding mass spectral signals. Multi-elemental analysis of nine inorganic salt residues and MSI of a potassium salt residue pattern at a 50-nm lateral resolution were achieved. These results demonstrate the opportunity for the distribution of chemical compositions at the nanoscale to be visualized. PMID- 29226252 TI - Hemoporfin-mediated photodynamic therapy on normal vasculature: implications for phototherapy of port-wine stain birthmarks. AB - Background: Port-wine stain (PWS) birthmarks currently are treated using a pulsed dye laser (PDL) combined with transient cooling of the epidermis. PDL treatment protocols utilize short pulses of light (585 or 595 nm wavelength) to heat selectively the microvasculature due to absorption by intravascular hemoglobin. Although most patients respond to PDL therapy, few experience complete removal of the PWS. An alternate treatment option to PDL therapy of PWS is photodynamic therapy (PDT). Research groups have reported on various photosensitizers for PDT of PWS, including Hemoporfin, Benzoporphyrin Derivative monoacid ring A, and talaporfin sodium. Aim: Our aim was to evaluate, with an established preclinical in-vivo model, the efficacy of photodynamic therapy (PDT) with Hemoporfin to achieve persistent vascular shutdown. Methods: To monitor the microvasculature, a dorsal window chamber was surgically installed on 24 adult mice. The PDT excitation source emitted 150mW of 532nm light, with an irradiance of 100mW/cm2. A retroorbital injection of Hemoporfin (2 mg/kg) was performed to deliver the drug into the bloodstream. Laser irradiation was initiated immediately after injection. To monitor blood-flow dynamics in response to PDT, we used laser speckle imaging. We employed a dose-response experimental design to study the efficacy of Hemoporfin-mediated PDT to achieve persistent vascular shutdown observed on Day 7 after PDT. Results: We observed four general hemodynamic responses to PDT: (1) At low radiant exposures, we did not observe any persistent vascular shutdown; (2) at intermediate radiant exposures, we observed delayed vascular shutdown effect with significant change to the vascular structure; (3) at intermediate radiant exposures, we observed an acute vascular shutdown effect with gradual restoration of blood flow and no significant changes to the vascular structure; and (4) at high radiant exposures, we observed acute vascular shutdown that persisted during the entire 7-day monitoring period, with no change in vascular structure. With light dose-response analysis, we estimated a characteristic radiant exposure of 359 J/cm2 that was required to achieve persistent vascular shutdown observed on Day 7 after PDT. Conclusions: The experimental data collectively suggest that Hemoporfin-mediated PDT can achieve persistent vascular shutdown of normal microvasculature. However, compared with our previous data using Talaporfin Sodium as photosensitizer, Hemoporfin-mediated PDT is less efficient and requires a considerably longer (~four times) irradiation time. Relevance for patients: Patients with PWS lesions may benefit from the advantages that PDT potentially offers over conventional PDL therapy. PDT potentially is safer for patients of all skin types and more effective at treatment of recalcitrant lesions. Although clinical data suggest that Hemoporfin mediated PDT is a promising alternative to PDL therapy, our results suggest that additional study of other photosensitizers is warranted. PMID- 29226251 TI - Tissue-based biomarkers in prostate cancer. AB - Introduction: Prostate cancer is a heterogeneous disease. Existing risk stratification tools based on standard clinlicopathologic variables (prostate specific antigen [PSA], Gleason score, and tumor stage) provide a modest degree of predictive ability. Advances in high-throughput sequencing has led to the development of several novel tissue-based biomarkers that can improve prognostication in prostate cancer management. Areas Covered: The authors review commercially-available, tissue-based biomarker assays that improve upon existing risk-stratification tools in several areas of prostate cancer management, including the appropriateness of active surveillance and aiding in decision making regarding the use of adjuvant therapy. Additionally, some of the obstacles to the widespread adoption of these biomarkers and discuss several investigational sources of new biomarkers are discussed. Expert Commentary: Work is ongoing to answer pertinent clinical questions in prostate cancer management including which patients should undergo biopsy, active surveillance, receive adjuvant therapy, and what systemic therapy is best in the first-line. Incorporation into novel biomarkers may allow for the incorporation of a 'personalized' approach to management. Further validation will be required and questions of cost must be considered before wide scale adoption of these biomarkers. Tumor heterogeneity may impose a ceiling on the prognostic ability of biomarkers using currently available techniques. PMID- 29226253 TI - Functional outcome of non-surgical and surgical management for de novo degenerative lumbar scoliosis: a mean follow-up of 10 years. AB - Background: No studies have evaluated the long-term results of non-surgical and surgical management in de novo degenerative lumbar scoliosis (DNDLS). This study reports on the long-term functional outcome of patients being treated for DNDLS by non-surgical and surgical management. Methods: This is a retrospective review of a single center database of DNDLS patients that underwent surgical or usual non-surgical management between 1996 and 2007. In a total of 88 patients, 50 (57%) underwent non-surgical and 38 (43%) surgical management. Baseline demographic, radiological-, clinical-, and surgical-related variables were collected. An Oswestry Disability Index (ODI) 2.0 questionnaire was sent to all patients after written informed consent. Results: Twenty-nine of 88 patients participated in the study, 15 (52%) had undergone surgical and 14 (48%) non surgical management with a mean follow-up of 10.9 years (range 8-15 years). There were no significant differences (p > 0.05) between non-surgical and surgical patients at baseline for age, body mass index, coronal Cobb angle, and clinical data. None of the non-surgical patients had undergone surgery during follow-up. In the surgical group, 40% had revision surgery. There was no significant difference in ODI total scores between groups at final follow-up (p = 0.649). A larger proportion of patients in the non-surgical group reported an ODI total score of <= 22, reflecting minimal disability (43 versus 20%; p = 0.245). Conclusions: This is the first study that describes the long-term 10-year functional outcome of non-surgical and surgical management in a cohort of patients with DNDLS. No significant difference in functional outcome was found between groups after a mean follow-up of 10 years. Despite the significant potential for selection bias, these results indicate that non-surgical management of patients with DNDLS may lead to adequate functional outcome after long periods of time, with no crossover to surgery. Further study is warranted to define which patients may benefit most from which management regimen. PMID- 29226254 TI - Empirical treatment of bacterial keratitis: an international survey of corneal specialists. AB - Background/aims: New antibiotic agents and changing susceptibility patterns may have changed the empirical treatment of bacterial keratitis. Our objective in this study was to survey cornea specialists' practice patterns in the initial treatment of bacterial ulcers. Methods: This study consisted of a short online survey emailed to members of the Cornea Society listserv for an international sample of cornea specialists. Data collection began July 2014 and ended October 2014. Results: A total of 1009 surveys were emailed, and we received 140 (14%) responses. The majority of US clinicians surveyed (n=83, 80%) chose fortified antibiotics empirically, with 55% (n=57) selecting fortified vancomycin and 16% (n=17) using fluoroquinolone alone. International respondents were twice as likely to use fluoroquinolone monotherapy (31%, n=11, p=0.07) and less likely to use fortified vancomycin (33%, n=12, p=0.03). Forty-five per cent (n=46) of US respondents reported that their initial antibiotic choice covered methicillin resistant Staphylococcus aureus, compared with 22% (n=8) of international respondents (p<0.01). Overall, respondents who were concerned about availability of antibiotics and toxicity were 20.86 (p<0.001) and 7.48 (p<0.001) times more likely to choose fluoroquinolone monotherapy, respectively. If respondents' primary considerations were broad spectrum coverage or antibiotic resistance they had 7.10 (p<0.001) and 12.51 (p<0.001) times the odds of using fortified vancomycin, respectively. Conclusion: Practice patterns for the initial treatment of bacterial keratitis vary with clinicians in the USA being more likely to use fortified antibiotics versus fluoroquinolone monotherapy and more concerned with resistant organisms than their international peers. PMID- 29226256 TI - General and proximal associations between unpaid eldercare, time constraints and subjective well-being. AB - Using 2012/13 American Time Use Survey, we find as compared to non-caregivers, caregivers report less time on personal care, social activities and sports and more time on housework. They also report higher stress and lower happiness when engaged in daily activities. Further, using diary information which captures activities during a 24-hour window, we compare caregivers on days they provide care and caregivers on days they do not provide care. Caregivers report more time on housework and less on paid work, and higher levels of sadness when engaged in daily activities. This highlights proximal effects of informal caregiving, even for individuals already engaged in regular caregiving. PMID- 29226255 TI - Differential hemispheric and visual stream contributions to ensemble coding of crowd emotion. AB - In crowds, where scrutinizing individual facial expressions is inefficient, humans can make snap judgments about the prevailing mood by reading "crowd emotion". We investigated how the brain accomplishes this feat in a set of behavioral and fMRI studies. Participants were asked to either avoid or approach one of two crowds of faces presented in the left and right visual hemifields. Perception of crowd emotion was improved when crowd stimuli contained goal congruent cues and was highly lateralized to the right hemisphere. The dorsal visual stream was preferentially activated in crowd emotion processing, with activity in the intraparietal sulcus and superior frontal gyrus predicting perceptual accuracy for crowd emotion perception, whereas activity in the fusiform cortex in the ventral stream predicted better perception of individual facial expressions. Our findings thus reveal significant behavioral differences and differential involvement of the hemispheres and the major visual streams in reading crowd versus individual face expressions. PMID- 29226257 TI - Interleukin 10 modulation of neutrophil subsets infiltrating lungs during Streptococcus pneumoniae infection. AB - Interleukin-10 production and lung neutrophil infiltration are two essential components of the balanced immune response to pneumonia caused by Streptococcus pneumoniae. Here we describe the existence of two neutrophil subsets in lungs during experimental S. pneumoniae infection in mice, which have different size, granularity and expression of activation markers. During infection, both neutrophils subsets were increased in the lungs of IL-10 producing mice, however this increment was significantly higher in the absence of this cytokine. These results suggest that IL-10 is a key cytokine that regulates lung inflammation during bacterial infection caused by specific neutrophil subsets infiltrating the lungs. PMID- 29226258 TI - Photoelectrochemical performance of N-doped ZnO branched nanowire photoanodes. AB - A ZnO branched-nanowire (BNW) photoanode was doped with N for use in a photoelectrochemical cell (PEC) to generate H2 from water splitting. First, ZnO BNWs were synthesized by chemical bath deposition method. Two experimental methods were used for N-doping: the time-controlled direct-current glow discharge plasma (DCGDP) and the DC magnetron plasma (DCMP) methods, to optimize N-doping of the NW structure. X-ray photoelectron spectroscopy (XPS) provided the N distribution and atomic percentage in the BNWs. The XPS results confirmed that N distribution into ZnO BNWs occurred by N substitution of O sites in the ZnO structure and through well-screened molecular N2. The morphologies and structures of the fabricated nanostructures were investigated by field-emission scanning electron microscopy and X-ray diffraction respectively. The photoanode performance was demonstrated in photoelectrochemical studies at various power densities under both dark and illuminated conditions. Increasing the N amount in the ZnO BNWs increased the photocurrent in the PEC. PMID- 29226259 TI - Recreational boating site choice and the impact of water quality. AB - This paper examines whether water quality has an effect on recreational boating activity. The analysis is based on survey data collected by face-to-face interviews with recreational visitors to 10 waterway sites across Ireland. We model the respondent's choice decision to travel to a specific site for the purposes of beginning their recreational boating activity. Water quality data is from European Union Water Framework Directive monitoring stations. Across recreational sites, which have generally high water quality levels within our sample, we find that boaters favour sites with better water quality; as indicated by biological oxygen demand and phosphates metrics. We also find that for each additional 10 km distance from respondents' homes the probability that a site is visited declines by up to 10%. Preferences for other site attributes, such as boat slipways, parking and toilet facilities, were counter to expectation but reflects the fact that all boat users do not necessarily access or need all facilities provided. PMID- 29226260 TI - A novel rapid direct haemagglutination-inhibition assay for measurements of humoral immune response against non-haemagglutinating Fowlpox virus strains in vaccinated chickens. AB - : Fowlpox (FP) is a serious disease in chickens caused by Fowlpox virus (FPV). One method currently used to control FPV is vaccination followed by confirmation that antibody titres are protective using the indirect haemagglutination assay (IHA). The direct haemagglutination inhibition (HI) assay is not done because most FPV strains do not agglutinate chicken red blood cells (RBCs). A novel FPV strain TPV-1 which agglutinates chicken RBCs was discovered recently and enabled a direct HI assay to be conducted using homologous sera. This study is therefore aimed at assessing the direct HI assay using a recently discovered novel haemagglutinating FPV strain TPV-1 in chickens vaccinated with a commercial vaccine containing a non-haemagglutinating FPV.Chicks vaccinated with FPV at 1 day-old had antibody geometric mean titres (GMT) of log2 3.7 at 7 days after vaccination and log2 8.0 at 28 days after vaccination when tested in the direct HI. Chickens vaccinated at 6 weeks-old had antibody geometric mean titres (GMT) of log2 5.0 at 7 days after vaccination and log2 8.4 at 28 days after vaccination when tested in the direct HI. The GMT recorded 28 days after vaccination was slightly higher in chickens vaccinated at 6-week-old than in chicks vaccinated at one-day-old. However, this difference was not significant (P > 0.05). All vaccinated chickens showed "takes". No antibody response to FPV and "takes" were detected in unvaccinated chickens (GMT < 1). There was a slightly higher GMT in chickens of all ages throughout the observation period when the standard assay, the passive (indirect) haemagglutination was used (Overall GMT reached log2 9.3 +/-.0.3 on day 28). However, the difference between the two assays was not significant (P > 0.05). Conclusion: These findings indicate that a simple and rapid direct HI assay using the FPV TPV-1 strain as antigen may be used to measure antibody levels in chickens vaccinated with non-haemagglutinating strains of FPV, and that the titres are comparable to those obtained by indirect IHA. PMID- 29226261 TI - Coordination of early cellular reactions during activation of bone resorption in the rat mandible periosteum: An immunohistochemical study. AB - The activation step of bone remodeling remains poorly characterized. Activation comprises determination of the site to be remodeled, osteoclast precursor recruitment, their migration to the site of remodeling, and differentiation. These actions involve different compartments and cell types. The aim of this study was to investigate events and cell types involved during activation. We used a bone remodeling model in rats where extractions of the upper jaw molars initiate remodeling of the antagonist lower jaw (mandible) cortex along the periosteum. In this model osteoclastic resorption peaks 4 days after extractions. We previously reported that mast cell activation in the periosteum fibrous compartment is an early event of activation, associated with recruitment of circulating monocyte osteoclast precursors. By using immunohistochemistry, we observed 9 hours after induction a spatially oriented expression of InterCellular Adhesion Molecule-1 in the vessels that was inhibited by antagonists of histamine receptors 1 and 2. It was followed at 12 hours by the recruitment of ED1+ monocytes. In parallel, at 9 hours, Vascular Cellular Adhesion Molecule-1+ fibroblast-like cells scattered in the fibrous compartment of the periosteum between the vessels and the osteogenic compartment increased; these cells may be implicated in osteoclast precursor migration. Receptor Activator of NF KappaB Ligand+ cells increased at 12 hours in the osteogenic compartment and reached a peak at 18 hours. At 24 hours the numbers of osteogenic cells and subjacent osteocytes expressing semaphorin 3a, a repulsive for osteoclast precursors, decreased before returning to baseline at 48 hours. These data show that during activation the two periosteum compartments and several cell types are coordinated to recruit and guide osteoclast precursors towards the bone surface. PMID- 29226262 TI - Topology optimization aided structural design: Interpretation, computational aspects and 3D printing. AB - Construction industry has a major impact on the environment that we spend most of our life. Therefore, it is important that the outcome of architectural intuition performs well and complies with the design requirements. Architects usually describe as "optimal design" their choice among a rather limited set of design alternatives, dictated by their experience and intuition. However, modern design of structures requires accounting for a great number of criteria derived from multiple disciplines, often of conflicting nature. Such criteria derived from structural engineering, eco-design, bioclimatic and acoustic performance. The resulting vast number of alternatives enhances the need for computer-aided architecture in order to increase the possibility of arriving at a more preferable solution. Therefore, the incorporation of smart, automatic tools in the design process, able to further guide designer's intuition becomes even more indispensable. The principal aim of this study is to present possibilities to integrate automatic computational techniques related to topology optimization in the phase of intuition of civil structures as part of computer aided architectural design. In this direction, different aspects of a new computer aided architectural era related to the interpretation of the optimized designs, difficulties resulted from the increased computational effort and 3D printing capabilities are covered here in. PMID- 29226263 TI - Aerodynamic effects of dimples on soccer ball surfaces. AB - Recently, the shape and design of the panel on the official ball used in the FIFA World Cup was considerably different from that of a conventional soccer ball (having 32 pentagonal and hexagonal panels). Depending on the number of different panels and their orientation, the aerodynamic force experienced by a ball is believed to change, which in turn changes the ball trajectory. However, not much is known about the impact of the surface forms of a ball on its aerodynamics. Therefore, in the present study, 10 different types of soccer balls were produced and their aerodynamic properties were studied by wind tunnel experiments. The results confirmed that the aerodynamic force acting on the ball varied considerably depending on the existence of dimples on the ball surface. In addition, the 4 types of soccer balls, which had different kinds of roughness, revealed that even balls having the same number and shapes of panels experienced greatly varying aerodynamic forces depending on the surface form of the balls. PMID- 29226264 TI - Generation of viable progeny from dead brooders of endangered catfish Clarias magur (Hamilton, 1822). AB - The obligatory air-breathing catfish Clarias magur is a prime candidate for aquaculture owing to its unique taste, high growth rate, and hardy nature. However, recently the IUCN has listed the species under the endangered category because the population has critically declined in the wild. The sexually mature C. magur brooders are often collected from their natural habitats for seed production in captivity. In many cases, the brooder dies due to handling injuries or confinement stress. In this study, we demonstrated that viable progeny could be generated from freshly dead sexually mature C. magur. Three hours after death, the gonads were excised, macroscopically examined and gamete viability was evaluated. Artificial fertilization was performed by mixing the sperm suspension with the eggs. Water was added after 1 min of mixing to activate the fertilization process. We observed 85%-93% fertilization success from gametes derived from dead donors as opposed to 90%-95% from those derived from live control donors. The embryos showed normal development and resulted in the generation of 88%-92% viable progeny, which was similar to the progeny derived from control donors (92%-93%). The results obtained in this study will have profound implications in enhancing the seed production of endangered C. magur and could potentially be applied to other key commercially or endangered fish species. PMID- 29226265 TI - ST2 gene products critically contribute to cellular transformation caused by an oncogenic Ras mutant. AB - The ST2 gene was originally identified as a primary responsive gene, and the expressions of its gene products are induced by stimulation with growth factors and by oncogenic stresses. In this study, we observed that oncogenic Ras mutant induced the expression of ST2 and ST2L proteins. Interestingly, the enforced expression of ST2 gene products in NIH-3T3 murine fibroblasts remarkably enhanced Ras (G12V)-induced cellular transformation. Furthermore, when the expression of ST2 gene products was silenced by RNA-interference technique, Ras (G12V)-induced cellular transformation was drastically suppressed. According to these observations, it was indicated that the oncogenic Ras-induced expression of ST2 gene products is required for the acceleration of cellular transformation, and this seems to be independent of the stimulation with IL-33, a ligand for ST2/ST2L. Interestingly, knockdown of ST2 gene products caused a reduction in Rb phosphorylation in transformed murine fibroblasts, suggesting the functional involvement of ST2 gene products in cell cycle progression during cellular transformation. Our current study strongly suggests the importance of ST2 gene products in cellular transformation, and the presence of novel mechanism how ST2 gene products affect the cellular transformation and cell proliferation. PMID- 29226266 TI - The Influence of Race and Ethnicity on Becoming a Human Subject: Factors Associated with Participation in Research. AB - INRODUCTION: The purpose of this study was to explore factors associated with willingness of African Americans and Latinos to participate in biomedical and public health research and to delineate factors that influences the decision to become a human subject. METHODS: We present results from a 2010 random digit-dial telephone survey of 2,455 African American (N= 1,191) and Latino (N= 1,264) adults. We used standard measures to assess knowledge of research, terminology, informed consent procedures, previous participation in research, health care experiences, social support, risk perception, religiousness, and trust. RESULTS: Over 60% of both African Americans and Latinos reported they believed people in medical research are pressured into participating. Over 50% said that it was not at all important to have someone of the same race/ethnicity ask them to participate. In a sub-sample of 322 African Americans and 190 Latinos who had previously been asked to participate in a research study, 63% of African Americans and 65% of Latinos consented to participate in a study. Finally, both African Americans (57%) and Latinos (68%) reported willingness to participate in future research. Overall, the multivariate analysis explained 29% of the variability in willingness to participate in future research. CONCLUSIONS: Results suggest that African Americans and Latinos have no automatic predisposition to decline participation in research studies. These results can inform culturally tailored interventions for ethical recruitment of minorities into research and clinical trials. PMID- 29226268 TI - Acetazolamide-Induced Bilateral Ciliochoroidal Effusion Syndrome in Plateau Iris Configuration. AB - Purpose: Our purpose is to describe a 60-year-old male, who has plateau iris configuration and developed bilateral ciliochoroidal effusion syndrome after ingestion of acetazolamide. Observations: Our case was a research participant in a multi-center clinical study (ClinicalTrials.gov NCT01677507). During the course of this study, he was treated with a single dose of acetazolamide (500 mg), and seven days later treated with latanoprost one drop daily at bedtime both eyes for seven days, and then was administered another dose of acetazolamide (500 mg). Several hours later he complained of blurred vision in the distance and mild headache. On examination, he had a myopic shift, intraocular pressures of 36 mmHg in right eye and 35 mmHg in left eye, shallow anterior chambers both eyes, and occluded angles by gonioscopy both eyes. An echographic exam confirmed the bilateral ciliochoroidal effusion syndrome. He was treated by no further dosing of acetazolamide and started on timolol, atropine and prednisolone. Two weeks later, the bilateral choroidal effusion and acute angle closure were resolved. Repeat echography showed plateau iris configuration. Conclusions and Importance: To the best of our knowledge, drug-induced bilateral ciliochoroidal effusion syndrome has not been reported with acetazolamide in plateau iris configuration. PMID- 29226267 TI - Orbitofrontal cortex activity and connectivity predict future depression symptoms in adolescence. AB - Background: Major depressive disorder is a leading cause of disability worldwide; however, little is known about pathological mechanisms involved in its development. Research in adolescent depression has focused on reward sensitivity and striatal mechanisms implementing it. The contribution of loss sensitivity to future depression, as well as the orbitofrontal cortex (OFC) mechanisms critical for processing losses and rewards, remain unexplored. Furthermore, it is unclear whether OFC functioning interacts with familial history in predicting future depression. Methods: In this longitudinal study we recorded functional magnetic resonance imaging (fMRI) data while 229 adolescent females with or without parental history of depression completed a monetary gambling task. We examined if OFC blood-oxygen-level-dependent (BOLD) response and functional connectivity during loss and win feedback was associated with depression symptoms concurrently and prospectively (9 months later), and whether this relationship was moderated by parental history of depression. Results: Reduced OFC response during loss was associated with higher depression symptoms concurrently and prospectively, even after controlling for concurrent depression, specifically in adolescents with parental history of depression. Similarly, increased OFC-posterior insula connectivity during loss was associated with future depression symptoms but this relationship was not moderated by parental history of depression. Conclusions: This study provides the first evidence for loss-related alterations in OFC functioning and its interaction with familial history of depression as possible mechanisms in the development of depression. While the current fMRI literature has mainly focused on reward, the present findings underscore the need to include prefrontal loss processing in existing developmental models of depression. PMID- 29226269 TI - Evaluating Weathering of Food Packaging Polyethylene-Nano-clay Composites: Release of Nanoparticles and their Impacts. AB - Nano-fillers are increasingly incorporated into polymeric materials to improve the mechanical, barrier or other matrix properties of nanocomposites used for consumer and industrial applications. However, over the life cycle, these nanocomposites could degrade due to exposure to environmental conditions, resulting in the release of embedded nanomaterials from the polymer matrix into the environment. This paper presents a rigorous study on the degradation and the release of nanomaterials from food packaging composites. Films of nano-clay loaded low-density polyethylene (LDPE) composite for food packaging applications were prepared with the spherilene technology and exposed to accelerated weathering of ultraviolet (UV) irradiation or low concentration of ozone at 40 degrees C. The changes in the structural, surface morphology, chemical and physical properties of the films during accelerated weathering were investigated. Qualitative and quantitative changes in properties of pristine and aged materials and the release of nano-clay proceeded slowly until 130 hr irradiation and then accelerated afterward resulting complete degradation. Although nano-clay increased the stability of LDPE and improved thermal and barrier properties, they accelerated the UV oxidation of LDPE. With increasing exposure to UV, the surface roughness, chemiluminescence index, and carbonyl index of the samples increased while decreasing the intensity of the wide-angle X-ray diffraction pattern. Nano clay particles with sizes ranging from 2-8 nm were released from UV and ozone weathered composite. The concentrations of released nanoparticles increased with an increase in aging time. Various toxicity tests, including reactive oxygen species generation and cell activity/viability were also performed on the released nano-clay and clay polymer. The released nano-clays basically did not show toxicity. Our combined results demonstrated the degradation properties of nano-clay particle-embedded LDPE composites toxicity of released nano-clay particles to A594 adenocarcinomic human alveolar basal epithelial cells was observed, which will help with future risk based-formulations of exposure. PMID- 29226270 TI - Insights into the role of somatic mosaicism in the brain. AB - Somatic mosaicism refers to the fact that cells within an organism have different genomes. It is now clear that somatic mosaicism occurs in all brains and that somatic mutations in a subset of cells can cause various rare neurodevelopmental disorders. However, for most individuals, the extent and consequences of somatic mosaicism are largely unknown. The complexity and unique features of the brain suggest that somatic mosaicism can play an important role in behavior and cognition. Here we review recent manuscripts showing instances of somatic mosaicism in the brain and estimating its extent and possible biological consequences. The consequences of somatic mosaicism span vast dimensions -from a single-locus variant, to genes and gene networks, to cells, to the interactions of the mosaic cells via neural networks affecting behavior and cognition. We highlight how systems biology approaches are particularly well suited for the complex emerging field of brain somatic mosaicism. PMID- 29226271 TI - Clusters of Circulating Tumor Cells: a Biophysical and Technological Perspective. AB - The vast majority of cancer associated deaths result from metastasis, yet the behaviors of its most potent cellular driver, circulating tumor cell clusters, are only beginning to be revealed. This review highlights recent advances to our understanding of tumor cell clusters with emphasis on enabling technologies. The importance of intercellular adhesions among cells in clusters have begun to be unraveled with the aid of promising microfluidic strategies for isolating clusters from patient blood. Due to their metastatic potency, the utility of circulating tumor cell clusters for cancer diagnosis, drug screening, precision oncology and as targets of antimetastatic therapeutics are being explored. The continued development of tools for exploring circulating tumor cell clusters will enhance our fundamental understanding of the metastatic process and may be instrumental in devising new strategies to suppress and eliminate metastasis. PMID- 29226272 TI - Comparative Analysis of Lipid Extracts and Imaging Mass Spectrometry for Evaluating Cerebral White Matter Biochemical Pathology in an Experimental Second Hand Cigarette Smoke Exposure Model. AB - Background: White matter injury and degeneration are common features of developmental and aging-associated diseases, yet their pathobiological bases are poorly understood. However, recent advances in Matrix-Assisted Laser Desorption Ionization (MALDI) instruments and chemistry have provided critical tools for myelin-lipid analytical research. Design: This study characterizes Cigarette Smoke (CS) exposure effects on frontal lobe lipid ion profiles in adult male A/J mice that had been exposed to air for 8 weeks (A8), CS for 4 (CS4) or 8 weeks (CS8), or CS8 followed by 2 weeks recovery (CS8+R). MALDI data acquired by analysis of lipid extracts plated onto a ground steel target (high through-put) were compared with Imaging Mass Spectrometry (IMS). Results: MALDI-time-of-flight (TOF) detected 120 lipid ions with m/z's of 600 to 1300 (phospholipids and sulfatides) in samples plated onto the steel target or analyzed by IMS, but just 25 ions (18%) were detected by both methods. IMS more effectively detected ions in the highest m/z range, whereas the extracts had abundant middle-range m/z ions. The experimental groups were better discriminated by PCA and R-generated heat map hierarchical clustering of IMS data than lipid extract data. On the other hand, both methods clearly delineated the CS4, CS8 and CS8+R experimental groups from control. Conclusions: MALDI analysis of brain lipid extracts plated onto a ground steel target for high through-put studies, or imaged directly in tissue can be used to assess biochemical pathology of white matter neurodegeneration and responses to treatment. PMID- 29226274 TI - Virtual Dissection by Ultrasound: Probe Handling in the First Year of Medical Education. AB - Objectives: The aim of the present study was to assess the educational plan of first-year students of medicine by analyzing their scores in ultrasound body scanning. Methods: Since 2009, the San Paolo Medical School (Milan, Italy) has vertically integrated the study of anatomy with ultrasound-assisted virtual body dissection. Three modules were supplied: musculoskeletal system, heart and abdomen pelvis. 653 first-year students were trained. The students alternated as mutual model and operator. A skillfulness score was assigned to each student. The scores were consequently listed. Nonparametric exact multiple contrast tests were employed to determine relative group effects. Results: Statistical analysis showed that: no gender-related differences were found (0:49; p=0.769); peer learners performed less well than peer tutors (0.677; p=0); between modules, scores in the musculoskeletal system (pMS=0.726) tend to be higher (p<0.001) than those obtained in the heart and abdomen pelvis (pH=0.398; pAP=0.375 p=0.270); significant differences were found compared to the beginning of the project's academic year. Conclusion: The students considered this didactic course an engaging and exciting approach. Acceptance of peer teaching was extraordinarily high. Autonomous exercitation allowed the students to improve self-criticism and enhance their own skills. The level of expertise obtained by peer tutors and by peer learners can be considered satisfactory. The main objective of training future physicians on personal stethoechoscope with the necessary competence seems to have been successfully started. PMID- 29226273 TI - Strain Elastography - How To Do It? AB - Tissue stiffness assessed by palpation for diagnosing pathology has been used for thousands of years. Ultrasound elastography has been developed more recently to display similar information on tissue stiffness as an image. There are two main types of ultrasound elastography, strain and shear wave. Strain elastography is a qualitative technique and provides information on the relative stiffness between one tissue and another. Shear wave elastography is a quantitative method and provides an estimated value of the tissue stiffness that can be expressed in either the shear wave speed through the tissues in meters/second, or converted to the Young's modulus making some assumptions and expressed in kPa. Each technique has its advantages and disadvantages and they are often complimentary to each other in clinical practice. This article reviews the principles, technique, and interpretation of strain elastography in various organs. It describes how to optimize technique, while pitfalls and artifacts are also discussed. PMID- 29226275 TI - Presentation of Gallbladder Chloroma in B-Mode Imaging and Contrast-Enhanced Ultrasound (CEUS) in a Patient with Acute Myelomonocytic Leukemia (AML M5). PMID- 29226276 TI - Letter to Editor Commenting on "Patterns of Gall Bladder Wall Thickening in Dengue Fever". PMID- 29226277 TI - Letter to Editor Commenting on "Patterns of Gall Bladder Wall Thickening in Dengue Fever" - Reply. PMID- 29226278 TI - Effects of Multiple Freeze/Thaw Cycles on Measurements of Potential Novel Biomarkers Associated With Adverse Pregnancy Outcomes. AB - World-wide, millions of women enter preterm labor or have small newborns. Effective biomarkers are needed to identify women at risk for these adverse outcomes. A time and cost effective way to examine any potentially new biomarkers in samples collected during prior studies or trials that had been assayed for other metabolites would be highly useful. Thus, the current study aimed to determine if samples that had been previously thawed and re-frozen could be re assayed for novel biomarkers, those being lipoprotein composition (sizing, proteome, lipids) and combined cholesterol and cytokine concentrations. Fasting blood was collected from 51 young non-pregnant women and plasma was analyzed for lipoprotein composition and cytokine concentrations after multiple freeze/thaw cycles in the cold or at room temperature and after being stored for 18 months. Plasma LDL-C, HDL-C, total cholesterol, and triglyceride concentrations decreased <6-7% (cholesterols) or <20% (triglyceride) after 7 thaws in the cold, 3 thaws at room temperature, and after 18 months of storage. As these decreases were less than day-to-day reported variation of lipids, they do not appear to be physiologically significant. Cytokine (IL-6, TNF alpha, IL-8, IL-1beta) and hsCRP concentrations decreased by 22%, 8%, 8%, 22%, and 35%, respectively; only IL-6, IL-1beta and hsCRP concentrations showed significant decreases greater than day to-day variations of 20%. For measured triglyceride and cytokine, but not cholesterol concentrations, decreases with freeze/thaw cycles were greater when concentrations were elevated. Multiple thaws also led to changes in lipoprotein sizing, specifically to a shift from medium- and large-sized HDL particles to small-sized HDL particles and from large LDL to IDL. No changes occurred for VLDL particle numbers. Though particle sizes changed, the HDL proteome did not change with multiple thaw cycles or after long term storage. Overall, the results demonstrate that it is possible to use previously obtained frozen samples for plasma cholesterol and triglyceride levels and the lipoprotein proteome, and lipoprotein sizing and cytokine concentrations if one knows the history of the sample as changes should be relative to one another. PMID- 29226279 TI - Visual-motor coordination in natural reaching of young children and adults. AB - The current study investigated eye-hand coordination in natural reaching. We asked whether the speed of reaching related to the quality of visual information obtained by young children and adults. Participants played with objects on a table while their eye and hand movements were recorded. We developed new techniques to find reaching events in natural activity and to determine how closely participants aligned gaze to objects while reaching. Reaching speed and eye alignment were related for adults but not for children. These results suggest that adults but not children adapt reaching movements according to the quality of visual information (or vice-versa) during natural activity. We discuss possibilities for why this coordination was not observed in children. PMID- 29226280 TI - Linking Joint Attention with Hand-Eye Coordination - A Sensorimotor Approach to Understanding Child-Parent Social Interaction. AB - An understanding of human collaboration requires a level of analysis that concentrates on sensorimotor behaviors in which the behaviors of social partners continually adjust to and influence each other. A suite of individual differences in partners' ability to both read the social cues of others and to send effective behavioral cues to others create dyad differences in joint attention and joint action. The present paper shows that infant and dyad differences in hand-eye coordination predict dyad differences in joint attention. In the study reported here, 51 toddlers and their parents wore head-mounted eye-trackers as they played together with objects. This method allowed us to track the gaze direction of each participant to determine when they attended to the same object. We found that physically active toddlers align their looking behavior with their parent, and achieve a high proportion of time spent jointly attending to the same object in toy play. However, joint attention bouts in toy play don't depend on gaze following but rather on the coordination of gaze with hand actions on objects. Both infants and parents attend to their partner's object manipulations and in so doing fixate the object visually attended by their partner. Thus, the present results provide evidence for another pathway to joint attention - hand following instead of gaze following. Moreover, dyad differences in joint attention are associated with dyad differences in hand following, and specifically parents' and infants' manual activities on objects and the within- and between-partner coordination of hands and eyes during parent-infant interactions. In particular, infants' manual actions on objects play a critical role in organizing parent infant joint attention to an object. PMID- 29226281 TI - Statistical Word Learning is a Continuous Process: Evidence from the Human Simulation Paradigm. AB - In the word-learning domain, both adults and young children are able to find the correct referent of a word from highly ambiguous contexts that involve many words and objects by computing distributional statistics across the co-occurrences of words and referents at multiple naming moments (Yu & Smith, 2007; Smith & Yu, 2008). However, there is still debate regarding how learners accumulate distributional information to learn object labels in natural learning environments, and what underlying learning mechanism learners are most likely to adopt. Using the Human Simulation Paradigm (Gillette, Gleitman, Gleitman & Lederer, 1999), we found that participants' learning performance gradually improved and that their ability to remember and carry over partial knowledge from past learning instances facilitated subsequent learning. These results support the statistical learning model that word learning is a continuous process. PMID- 29226282 TI - Feasibility of Conducting a 6-month long Home-based Exercise Program with Protein Supplementation in Elderly Community-dwelling Individuals with Heart Failure. AB - Objective: Cardiac cachexia is a condition associated with heart failure, particularly in the elderly, and is characterized by loss of muscle mass with or without the loss of fat mass. Approximately 15% of elderly heart failure patients will eventually develop cardiac cachexia; such a diagnosis is closely associated with high morbidity and increased mortality. While the mechanism(s) involved in the progression of cardiac cachexia is incompletely established, certain factors appear to be contributory. Dietary deficiencies, impaired bowel perfusion, and metabolic dysfunction all contribute to reduced muscle mass, increased muscle wasting, increased protein degradation, and reduced protein synthesis. Thus slowing or preventing the progression of cardiac cachexia relies heavily on dietary and exercise-based interventions in addition to standard heart failure treatments and medications. Methods: The aim of the present study was to test the feasibility of an at-home exercise and nutrition intervention program in a population of elderly with heart failure, in an effort to determine whether dietary protein supplementation and increased physical activity may slow the progression, or prevent the onset, of cardiac cachexia. Frail elderly patients over the age of 55 with symptoms of heart failure from UAMS were enrolled in one of two groups, intervention or control. To assess the effect of protein supplementation and exercise on the development of cardiac cachexia, data on various measures of muscle quality, cardiovascular health, mental status, and quality of life were collected and analyzed from the two groups at the beginning and end of the study period. Results: More than 50% of those who were initially enrolled actually completed the 6-month study. While both groups showed some improvement in their study measures, the protein and exercise group showed a greater tendency to improve than the control group by the end of the six months. Conclusion: These findings suggest that with a larger cohort, this intervention may show significant positive effects for elderly patients who are at risk of developing cardiac cachexia. PMID- 29226283 TI - Improving Functional MRI Registration Using Whole-Brain Functional Correlation Tensors. AB - Population studies of brain function with resting-state functional magnetic resonance imaging (rs-fMRI) largely rely on the accurate inter-subject registration of functional areas. This is typically achieved through registration of the corresponding T1-weighted MR images with more structural details. However, accumulating evidence has suggested that such strategy cannot well-align functional regions which are not necessarily confined by the anatomical boundaries defined by the T1-weighted MR images. To mitigate this problem, various registration algorithms based directly on rs-fMRI data have been developed, most of which have utilized functional connectivity (FC) as features for registration. However, most of the FC-based registration methods usually extract the functional features only from the thin and highly curved cortical grey matter (GM), posing a great challenge in accurately estimating the whole brain deformation field. In this paper, we demonstrate that the additional useful functional features can be extracted from brain regions beyond the GM, particularly, white-matter (WM) based on rs-fMRI, for improving the overall functional registration. Specifically, we quantify the local anisotropic correlation patterns of the blood oxygenation level-dependent (BOLD) signals, modeled by functional correlation tensors (FCTs), in both GM and WM. Functional registration is then performed based on multiple components of the whole-brain FCTs using a multichannel Large Deformation Diffeomorphic Metric Mapping (mLDDMM) algorithm. Experimental results show that our proposed method achieves superior functional registration performance, compared with other conventional registration methods. PMID- 29226284 TI - Gray Matter Surface based Spatial Statistics (GS-BSS) in Diffusion Microstructure. AB - Tract-based spatial statistics (TBSS) has proven to be a popular technique for performing voxel-wise statistical analysis that aims to improve sensitivity and interpretability of analysis of multi-subject diffusion imaging studies in white matter. With the advent of advanced diffusion MRI models - e.g., the neurite orientation dispersion density imaging (NODDI), it is of interest to analyze microstructural changes within gray matter (GM). A recent study has proposed using NODDI in gray matter based spatial statistics (N-GBSS) to perform voxel wise statistical analysis on GM microstructure. N-GBSS adapts TBSS by skeletonizing the GM and projecting diffusion metrics to a cortical ribbon. In this study, we propose an alternate approach, known as gray matter surface based spatial statistics (GS-BSS), to perform statistical analysis using gray matter surfaces by incorporating established methods of registration techniques of GM surface segmentation on structural images. Diffusion microstructure features from NODDI and GM surfaces are transferred to standard space. All the surfaces are then projected onto a common GM surface non-linearly using diffeomorphic spectral matching on cortical surfaces. Prior post-mortem studies have shown reduced dendritic length in prefrontal cortex region in schizophrenia and bipolar disorder population. To validate the results, statistical tests are compared between GS-BSS and N-GBSS to study the differences between healthy and psychosis population. Significant results confirming the microstructural changes are presented. GS-BSS results show higher sensitivity to group differences between healthy and psychosis population in previously known regions. PMID- 29226285 TI - Anatomically Constrained Video-CT Registration via the V-IMLOP Algorithm. AB - Functional endoscopic sinus surgery (FESS) is a surgical procedure used to treat acute cases of sinusitis and other sinus diseases. FESS is fast becoming the preferred choice of treatment due to its minimally invasive nature. However, due to the limited field of view of the endoscope, surgeons rely on navigation systems to guide them within the nasal cavity. State of the art navigation systems report registration accuracy of over 1mm, which is large compared to the size of the nasal airways. We present an anatomically constrained video-CT registration algorithm that incorporates multiple video features. Our algorithm is robust in the presence of outliers. We also test our algorithm on simulated and in-vivo data, and test its accuracy against degrading initializations. PMID- 29226286 TI - Hydrothermal encapsulation of VO2(A) nanorods in amorphous carbon by carbonization of glucose for energy storage devices. AB - In recent decades, tremendous attention has been paid to the development of new electrode materials with high capacitance to meet the requirements of electrode materials in supercapacitors. Among vanadium oxides, VO2(A) has recently received increasing attention due to its unique layered structure, phase transformation and applications in Li-ion batteries. However, few studies have focused on the electrochemical properties of VO2(A) as electrochemical capacitors. Herein, we develop a facile hydrothermal method to prepare VO2(A)@C core-shell structured composites by carbonization of glucose in the presence of V2O5 nanowires. The electrochemical properties of the VO2(A)@C core-shell composites are investigated as a supercapacitor electrode material for the first time; the composites show excellent pseudocapacitive behavior and display a specific capacitance as high as 179 F g-1 at 1 A g-1. A flexible asymmetric supercapacitor device is fabricated using VO2(A)@C composites and activated carbon and delivers an excellent capacitance of 0.5 F cm-2 at a scan rate of 5 mV s-1. Replacing the aqueous electrolyte with a LiCl/PVA gel electrolyte can efficiently improve the cycling performance to 85% retention after 1600 cycles. The good electrochemical performance of the composites indicates their high potential as electrode materials for supercapacitors. PMID- 29226288 TI - Exploration of new water stable proton-conducting materials in an amino acid templated metal phosphate system. AB - Two new metal phosphates, namely, Zn(HPO4)(dl-C3H7NO2) (SCU-4) and In(HPO4)(H2PO4)(dl-C3H7NO2) (SCU-12), were prepared in the presence of the amino acid l-alanine. SCU-4 has a ladderlike structure with edge-sharing 4-rings. SCU 12 represents the first example of a three-dimensional metal phosphate templated by an amino acid. It remains stable in boiling water and shows a high proton conductivity at room temperature under 98% relative humidity. PMID- 29226289 TI - Ionophore-based optical nanosensors incorporating hydrophobic carbon dots and a pH-sensitive quencher dye for sodium detection. AB - Nanosensors present a biological monitoring method that is biocompatible, reversible, and nano-scale, and they offer many advantages over traditional organic indicators. Typical ionophore-based nanosensors incorporate nile-blue derivative pH indicators but suffer from photobleaching while quantum dot alternatives pose a potential toxicity risk. In order to address this challenge, sodium selective nanosensors containing carbon dots and a pH-sensitive quencher molecule were developed based on an ion-exchange theory and a decoupled recognition element from the pH indicator. Carbon dots were synthesized and integrated into nanosensors containing a pH-indicator, an analyte-binding ligand (ionophore), and a charge-balancing additive. These nanosensors are ion-selective against potassium (selectivity coefficient of 0.4) and lithium (selectivity coefficient of 0.9). Reversible nanosensor response to sodium is also demonstrated. The carbon dot nanosensors are resistant to changes in optical properties for at least 12 h and display stable selectivity to physiologically relevant sodium (alpha = 0.5 of 200 mM NaCl) for a minimum of 6 days. PMID- 29226290 TI - Correlating geminal 2JSi-O-Si couplings to structure in framework silicates. AB - The dependence of a 29Si geminal J coupling across the inter-tetrahedral linkage on local structure was examined using first-principles DFT calculations. The two main influences on 2JSi-O-Si were found to be a primary dependence on the linkage Si-O-Si angle and a secondary dependence on mean Si-O-Si linkage of the two coupled 29Si nuclei. An analytical expression describing these dependences was proposed and used to develop an approach for relating the correlated pair of 2JSi O-Si coupling and mean 29Si isotropic chemical shift to the linkage Si-O-Si angle and the mean Si-O-Si angle of the two coupled 29Si nuclei. An example of this analysis is given using 29Si NMR results from the siliceous zeolite Sigma-2. PMID- 29226291 TI - Attractive non-DLVO forces induced by adsorption of monovalent organic ions. AB - Direct force measurements between negatively charged colloidal particles were carried out using an atomic force microscope (AFM) in aqueous solutions containing monovalent organic cations, namely tetraphenylarsonium (Ph4As+), 1 hexyl-3-methylimidazolium (HMIM+), and 1-octyl-3-methylimidazolium (OMIM+). These ions adsorb to the particle surface, and induce a charge reversal. The forces become attractive at the charge neutralization point, but they are stronger than van der Waals forces. This additional and unexpected attraction decays exponentially with a decay length of a few nanometers, and is strikingly similar to the one previously observed in the presence of multivalent ions. This attractive force probably originates from coupled spontaneous charge fluctuations on the respective surfaces as initially suggested by Kirkwood and Shumaker. PMID- 29226292 TI - Self-assembled uracil complexes containing tautomeric uracils: an IRMPD spectroscopic and computation study of the structures of gaseous uracilnCa2+ (n = 4, 5, or 6) complexes. AB - The structures of doubly-charged uracil (U) complexes with Ca2+, UnCa2+ (n = 4, 5, 6), were studied by infrared multiple photon dissociation (IRMPD) spectroscopy and computational methods. The ions were produced by electrospray ionization (ESI) and were isolated in the gas phase in a Fourier-transform ion cyclotron resonance mass spectrometer (FT-ICR-MS). The recorded IRMPD spectra in both the fingerprint and the C-H/N-H/O-H stretching regions, combined with computed vibrational spectra, reveal that the structures present in the greatest abundance consist of both canonical uracil as well as the lactam (or colloquially "enol") tautomer of uracil. U4Ca2+ consists of two hydrogen-bonded dimers of uracil, one canonical and one tautomer, with each uracil interacting with Ca2+ through a carbonyl oxygen. The structures most consistent with the vibrational spectrum of U6Ca2+ consist of two hydrogen-bonded uracil trimers, each composed of two canonical and one enolic uracil, with each uracil also interacting with Ca2+ through carbonyl oxygen. U5Ca2+ consists of one of the aforementioned trimers and dimers, each containing one enol tautomerized uracil. The computed structures whose vibrational spectra best agree with the experimental vibrational spectra are also the lowest-energy structures for all three complexes. This study clearly shows that some uracils adopt the normally very high energy enol tautomer in the lowest energy gas phase complexes of uracil with a doubly-charged ion like Ca2+. PMID- 29226293 TI - Ligand-induced action of the W2866.48 rotamer toggle switch in the beta2 adrenergic receptor. AB - Studies focused on GPCRs, particularly on the beta2-adrenergic receptor (beta2 AR), have demonstrated the relationship between ligand structure, receptor conformational changes and the corresponding pharmacological outcomes. Herein, we studied the molecular details of the rotameric flip of the W2866.48 sidechain, i.e. a presumed action switch that has not been reported in native beta2-AR thus far. It is believed that although both the 'active' and 'inactive' conformers of beta2-AR exhibit similar conformations of this switch, it may still play a substantial role in the ligand-induced activation of the receptor. By using both experimental methods (time-resolved fluorescence spectroscopy) and molecular modeling techniques (enhanced-sampling molecular dynamics), we characterized the conformational rearrangements of W2866.48 in relation to the type of ligand present in the binding cavity and to the conformation of the receptor ('active' vs. 'inactive' beta2-AR). We found that the conformational behaviour of W2866.48 is correlated with the pharmacological character of the ligand present in the binding cavity but not with the instantaneous conformation of the receptor. Namely, agonists promote the W2866.48 conformations that facilitate the increase of the solvation within the inner receptor channel. In contrast, antagonists and inverse agonists act toward the decrease of the solvation in the inner channel. This creates an opportunity for using computational methodologies in determining the pharmacological properties of various ligands. The combination of the time resolved fluorescence spectroscopy technique with the enhanced-sampling molecular dynamics simulations is shown to be a powerful tool for studying the ligand induced conformational rearrangements in GPCRs. PMID- 29226294 TI - Kinase-loaded magnetic beads for sequential in vitro phosphorylation of peptides and proteins. AB - Post-translational modifications, including phosphorylation, greatly impact the physiological function of proteins, especially those that are natively unfolded and implicated in many neurodegenerative diseases. However, structural and functional studies of such proteins require fully defined phosphorylation, including those that are not physiological. Thus, the kinases ERK2 and GSK-3beta were immobilized to various superparamagnetic beads with carboxylic, aldehyde, Ni2+, or Co3+ functional groups, with a view to efficiently phosphorylate peptides and proteins in vitro. Full phosphorylation of specific synthetic peptides confirmed that beads were successfully loaded with kinases. Remarkably, enzymes covalently immobilized on carboxylated SeraMag beads remained active upon reuse, with residual activity after 10 uses 99.5 +/- 0.34% for GSK-3beta and 36.2 +/- 2.01% for ERK2. The beads were also used to sequentially phosphorylate recombinant tau, which in vivo is a biomarker of Alzheimer's disease. Thus, a system consisting of two fully active kinases immobilized to magnetic beads is demonstrated for the first time. In comparison to soluble enzymes, the beads are easier to handle, reusable, and thus low-cost. Importantly, these beads are also convenient to remove from reactions to minimize contamination of phosphorylated products or to exchange with other kinases. PMID- 29226295 TI - "Bleaching" glycerol in a microfluidic fuel cell to produce high power density at minimal cost. AB - Glycerol/bleach flow-through microfluidic fuel cells are presented. Carbon paper modified Pt/C nanoparticles were used as the anode and cathode. Glycerol oxidation in alkaline medium was tested against hypochlorite reduction in alkaline and acidic media. The mixed media system displayed a power density of 315 mW cm-2 and an open circuit voltage of 1.9-2.0 V. PMID- 29226296 TI - Rare-earth metal-mediated PhC[triple bond, length as m-dash]N insertion into N,N bis(trimethylsilyl)naphthalene-1,8-diamido dianion - a synthetic approach to complexes coordinated by ansa-bridged amido-amidinato ligand. AB - Lithium silylamides 1,8-C10H6[N(SiMe3)Li(L)]2 (L = Et2O (); L = TMEDA (1TMEDA)), when treated with PhC[triple bond, length as m-dash]N, formed the adducts 1,8 C10H6[N(SiMe3)Li(N[triple bond, length as m-dash]CPh)(OEt2)][N(SiMe3)Li(OEt2)] () and 1,8-C10H6[N(SiMe3)Li(N[triple bond, length as m-dash]CPh)][N(SiMe3)Li(TMEDA)] (2TMEDA) containing one benzonitrile molecule coordinated to Li ion while the second molecule retains a coordinated L ligand. The salt metathesis reactions of LnCl3 (Ln = Y, Sm) with equimolar amounts of and 2TMEDA (THF, 4 h, 40 degrees C) resulted in benzonitrile insertion and formation of new dianionic amido-amidinate ligands. The reactions of with LnCl3 afforded ionic chloro complexes [{1,8 C10H6[NSiMe3][NC(Ph)NSiMe3]}{1,8-C10H6[N(H)SiMe3][NC(Ph)NSiMe3]}LnCl][Li(L)n] (Ln = Y, L = THF, n = 4 (3Y), Ln = Sm, L = DME, n = 3 (3Sm)), while the reaction of 2TMEDA and YCl3 leds to the formation of the neutral salt-free yttrium chloro complex {1,8-C10H6[NSiMe3][NC(Ph)NSiMe3]}YCl(TMEDA) (4). The treatment of 3Y and 4 with tBuOK enabled the synthesis of tert-butoxides [{1,8 C10H6[NSiMe3][NC(Ph)NSiMe3]}{1,8-C10H6[N(H)SiMe3][NC(Ph)NSiMe3]}YOtBu][Li(THF)4] (7) and {1,8-C10H6[NSiMe3][NC(Ph)NSiMe3]}YOtBu(TMEDA) (8). Complexes 7 and 8 were evaluated as initiators for the ring opening polymerization of rac-lactide. Neutral tert-butoxide complex 8 demonstrated significantly higher activity compared to that of ionic 7. PMID- 29226297 TI - Pathway-engineering for highly-aligned block copolymer arrays. AB - While the ultimate driving force in self-assembly is energy minimization and the corresponding evolution towards equilibrium, kinetic effects can also play a very strong role. These kinetic effects, such as trapping in metastable states, slow coarsening kinetics, and pathway-dependent assembly, are often viewed as complications to be overcome. Here, we instead exploit these effects to engineer a desired final nano-structure in a block copolymer thin film, by selecting a particular ordering pathway through the self-assembly energy landscape. In particular, we combine photothermal shearing with high-temperature annealing to yield hexagonal arrays of block copolymer cylinders that are aligned in a single prescribed direction over macroscopic sample dimensions. Photothermal shearing is first used to generate a highly-aligned horizontal cylinder state, with subsequent thermal processing used to reorient the morphology to the vertical cylinder state in a templated manner. Finally, we demonstrate the successful transfer of engineered morphologies into inorganic replicas. PMID- 29226298 TI - Water, rest, shade: Can simple actions stop an epidemic of chronic kidney disease of unknown etiology among farm workers in Central America? PMID- 29226299 TI - Correction to: Diffusion, outcomes and implementation of minimally invasive liver surgery: a snapshot from the I Go MILS (Italian Group of Minimally Invasive Liver Surgery) Registry. AB - A technical error led to incorrect rendering of the author group in this article. The correct authorship is as follows. PMID- 29226300 TI - A novel method for treatment of Class III malocclusion in growing patients. AB - BACKGROUND: Management of Class III malocclusion is one of the most challenging treatments in orthodontics, and several methods have been advocated for treatment of this condition. A new treatment protocol involves the use of an alternating rapid maxillary expansion and constriction (Alt-RAMEC) protocol, in conjunction with full-time Class III elastic wear and coupled with the use of temporary anchorage devices (TADs). The aim of this study was to evaluate the dento skeletal and profile soft tissue effects of this novel protocol in growing participants with retrognathic maxilla. METHODS: Fourteen growing participants (7 males and 7 females; 12.05 +/- 1.09 years), who displayed Class III malocclusions with retrognathic maxilla, were recruited. Pre-treatment records were taken before commencing treatment (T1). All participants had a hybrid mini-implant supported rapid maxillary expansion (MARME) appliance that was activated by the Alt-RAMEC protocol for 9 weeks. Full-time bone-anchored Class III elastics, delivering 400 g/side, were then used for maxillary protraction. When positive overjet was achieved, protraction was ceased and post-treatment records were taken (T2). Linear and angular cephalometric variables were blindly measured by one investigator and repeated after 1 month. An error measurement (Dahlberg's formula) study was performed to evaluate the intra-examiner reliability. A paired sample t test (p < 0.05) was used to compare each variable from T1 to T2. RESULTS: Treatment objectives were achieved in all participants within 8.5 weeks of protraction. The maxilla significantly protracted (SNA 1.87 degrees +/- 1.06 degrees ; Vert.T-A 3.29+/- 1.54 mm p < 0.001), while the mandibular base significantly redirected posteriorly (SNB -2.03 degrees +/- 0.85 degrees , Vert.T-B - 3.43+/- 4.47 mm, p < 0.001 and p < 0.05 respectively), resulting in a significant improvement in the jaw relationship (ANB 3.95 degrees +/- 0.57 degrees , p < 0.001; Wits 5.15+/- 1.51 mm, p < 0.001). The Y-axis angle increased significantly (1.95 degrees +/- 1.11 degrees , p < 0.001). The upper incisors were significantly proclined (+ 2.98 degrees +/- 2.71 degrees , p < 0.01), coupled with a significant retroclination of the lower incisors (- 3.2 degrees +/ 3.4 degrees , p < 0.05). The combined skeletal and dental effects significantly improved the overjet (5.62+/- 1.36 mm, p < 0.001) and the soft tissue Harmony angle (2.75 degrees +/- 1.8 degrees , p < 0.001). CONCLUSIONS: Class III elastics, combined with the Alt-RAMEC activation protocol of the MARPE appliance, is an efficient treatment method for mild/moderate Class III malocclusions. The long-term stability of these changes needs further evaluation. PMID- 29226301 TI - The 2017 IUIS Phenotypic Classification for Primary Immunodeficiencies. AB - Since the 1990s, the International Union of Immunological Societies (IUIS) PID expert committee (EC), now called Inborn Errors of Immunity Committee, has published every other year a classification of the inborn errors of immunity. This complete catalog serves as a reference for immunologists and researchers worldwide. However, it was unadapted for clinicians at the bedside. For those, the IUIS PID EC is now publishing a phenotypical classification since 2013, which proved to be more user-friendly. There are now 320 single-gene inborn errors of immunity underlying phenotypes as diverse as infection, malignancy, allergy, auto immunity, and auto-inflammation. We herein propose the revised 2017 phenotypic classification, based on the accompanying 2017 IUIS Inborn Errors of Immunity Committee classification. PMID- 29226303 TI - Pediatric Development of Molecularly Targeted Oncology Drugs. AB - Oncology products developed for adult cancers often receive full waivers of pediatric studies. This analysis retrospectively identified products with potential pediatric development opportunities despite a full waiver. Initial pediatric study plans submitted to the US Food and Drug Administration from 2012 to 2016 for oncology products with plans to request full waivers of pediatric studies were reviewed to determine if a scientific rationale existed for pediatric evaluation based on the molecular mechanism of action (MOA), clinical experience, nonclinical evidence, or published genome sequencing data. Of the 98 oncology products reviewed, pediatric studies were eventually conducted in 55 (56%) despite having a waiver, 33 additional (34%) products were considered to have a rationale for pediatric evaluation but were not studied, and 10 (10%) products had no current evidence to support pediatric development. Conducting pediatric studies based on molecular MOA, rather than indication, provides opportunities to evaluate products earlier and accelerate pediatric oncology drug development. PMID- 29226302 TI - International Union of Immunological Societies: 2017 Primary Immunodeficiency Diseases Committee Report on Inborn Errors of Immunity. AB - Beginning in 1970, a committee was constituted under the auspices of the World Health Organization (WHO) to catalog primary immunodeficiencies. Twenty years later, the International Union of Immunological Societies (IUIS) took the remit of this committee. The current report details the categorization and listing of 354 (as of February 2017) inborn errors of immunity. The growth and increasing complexity of the field have been impressive, encompassing an increasing variety of conditions, and the classification described here will serve as a critical reference for immunologists and researchers worldwide. PMID- 29226304 TI - Successful medical management of pseudomembranous cystitis in three cats with lower urinary tract obstruction. AB - CASE REPORT: The present case series describes the clinical course and outcome of three cats diagnosed with pseudomembranous cystitis. This is an uncommon presentation of lower urinary tract obstruction but can be easily be identified by ultrasonography, revealing severe bladder wall thickening and thin hyperechoic luminal strips. The condition can be secondary to severe bacterial urinary tract infection. All cats were successfully treated with medical management only, mainly based on antimicrobials and individualised supportive therapy. CONCLUSION: Further evaluation of this condition is necessary in order to determine potential underlying aetiologies, pathophysiological mechanisms and the most appropriate standardised treatment. PMID- 29226305 TI - Association between scalp and intracerebral electroencephalographic seizure-onset patterns: A study in different lesional pathological substrates. AB - OBJECTIVE: Our purpose was to determine the correlation between scalp electroencephalography (EEG) and intracerebral EEG (iEEG) seizure-onset patterns in patients with focal lesional epilepsy to determine whether scalp seizure-onset patterns can be specific to intracerebral seizure-onset patterns and to lesion type. METHODS: We retrospectively analyzed 61 patients with focal epilepsy and a structural magnetic resonance imaging (MRI)-visible lesion, who first underwent extensive scalp recordings and then iEEG studies (stereo-EEG) for presurgical evaluation, and who showed an iEEG seizure onset in the lesional/perilesional area. Five seizure-onset patterns were recognized on scalp EEG, and 7 on iEEG, and in each patient, only the predominant scalp and iEEG seizure-onset patterns were compared. Because scalp and iEEG recordings were acquired at different times, we followed strict criteria based on semiology and topography to match scalp with intracerebral seizures. RESULTS: Seventy-one pairs of seizure-onset patterns matched between scalp and iEEG were identified. Each scalp pattern did not correspond to a single intracerebral pattern, but there were significant associations: (1) paroxysmal fast activity (>=13 Hz) at scalp onset was associated with low-voltage fast activity at iEEG onset (P < .001), with malformations of cortical development (P < .001), and with superficial seizure onset zone based on iEEG (P < .001); (2) rhythmic slow activity (<13 Hz) at scalp onset was associated with low-frequency high-amplitude periodic spikes at iEEG onset (P = .0014), with medial temporal atrophy/sclerosis (P < .001), and with deep seizure-onset zone (P < .001); and (3) repetitive epileptiform discharge at scalp onset was associated with a burst of high-amplitude polyspikes at iEEG onset (P = .0002). SIGNIFICANCE: Our results disclosed that in focal epilepsy patients with seizures generated in an MRI-visible lesion, some scalp seizure onset patterns are highly associated with a specific intracerebral pattern, with specific pathologies, and with the depth of seizure-onset zone. These findings allow the interpretation of scalp seizure-onset patterns to be significantly more informative. PMID- 29226306 TI - Symbioses with nitrogen-fixing bacteria: nodulation and phylogenetic data across legume genera. AB - How species interactions shape global biodiversity and influence diversification is a central - but also data-hungry - question in evolutionary ecology. Microbially based mutualisms are widespread and could cause diversification by ameliorating stress and thus allowing organisms to colonize and adapt to otherwise unsuitable habitats. Yet the role of these interactions in generating species diversity has received limited attention, especially across large taxonomic groups. In the massive angiosperm family Leguminosae, plants often associate with root-nodulating bacteria that ameliorate nutrient stress by fixing atmospheric nitrogen. These symbioses are ecologically-important interactions, influencing community assembly, diversity, and succession, contributing ~100-290 million tons of N annually to natural ecosystems, and enhancing growth of agronomically-important forage and crop plants worldwide. In recent work attempting to determine whether mutualism with N-fixing bacteria led to increased diversification across legumes, we were unable to definitively resolve the relationship between diversification and nodulation. We did, however, succeed in compiling a very large searchable, analysis-ready database of nodulation data for 749 legume genera (98% of Leguminosae genera; LPWG 2017), which, along with associated phylogenetic information, will provide a valuable resource for future work addressing this question and others. For each legume genus, we provide information about the species richness, frequency of nodulation, subfamily association, and topological correspondence with an additional data set of 100 phylogenetic trees curated for database compatibility. We found 386 legume genera were confirmed nodulators (i.e., all species examined for nodulation nodulated), 116 were non-nodulating, four were variable (i.e., containing both confirmed nodulators and confirmed non-nodulators), and 243 had not been examined for nodulation in published studies. Interestingly, data exploration revealed that nodulating legume genera are ~3 * more species-rich than non-nodulating genera, but we did not find evidence that this difference in diversity was due to differences in net diversification rate. Our metadata file describes in more detail the structure of these data that provide a foundational resource for future work as more nodulation data become available, and as greater phylogenetic resolution of this ca. 19,500-species family comes into focus. We release this data set under the Creative Commons 4.0 Attribution-ShareAlike License (https://creativecommons.org/licenses/by-sa/4.0/). The data may be used, distributed, and reproduced with proper citation of this article. PMID- 29226307 TI - Macrolides for treatment of Haemophilus ducreyi infection in sexually active adults. AB - BACKGROUND: Chancroid is a genital ulcerative disease caused by Haemophilus ducreyi. This microorganism is endemic in Africa, where it can cause up to 10% of genital ulcers. Macrolides may be an effective alternative to treat chancroid and, based on their oral administration and duration of therapy, could be considered as first line therapy. OBJECTIVES: To assess the effectiveness and safety of macrolides for treatment of H ducreyi infection in sexually active adults. SEARCH METHODS: We searched the Cochrane STI Group Specialized Register, CENTRAL, MEDLINE, Embase, LILACS, WHO ICTRP, ClinicalTrials.gov and Web of Science to 30 October 2017. We also handsearched conference proceedings and reference lists of retrieved studies. SELECTION CRITERIA: Randomized controlled trials (RCTs) comparing macrolides in different regimens or with other therapeutic alternatives for chancroid. DATA COLLECTION AND ANALYSIS: Two review authors independently assessed trials for inclusion, extracted data and assessed risk of bias. We resolved disagreements through consensus. We used the GRADE approach to assess the quality of the evidence. MAIN RESULTS: Seven RCTs (875 participants) met our inclusion criteria, of which four were funded by industry. Five studies (664 participants) compared macrolides with ceftriaxone, ciprofloxacin, spectinomycin or thiamphenicol. Low quality evidence suggested there was no difference between the groups after treatment in terms of clinical cure (risk ratio (RR) 1.09, 95% confidence interval (CI) 0.97 to 1.21; 2 studies, 340 participants with syndromic approach and RR 1.06, 95% CI 0.98 to 1.15; 5 studies, 348 participants with aetiological diagnosis) or improvement (RR 0.89, 95% CI 0.52 to 1.52; 2 studies, 340 participants with syndromic approach and RR 0.80, 95% CI 0.42 to 1.51; 3 studies, 187 participants with aetiological diagnosis). Based on low and very low quality evidence, there was no difference between macrolides and any other antibiotic treatments for microbiological cure (RR 0.93, 95% CI 0.74 to 1.16; 1 study, 45 participants) and minor adverse effects (RR 1.34, 95% CI 0.24 to 7.51; 3 studies, 412 participants).Two trials (269 participants) compared erythromycin with any other macrolide type. Low quality evidence suggested that, compared with azithromycin or rosaramicin, long courses of erythromycin did not increase clinical cure (RR 1.00, 95% CI 0.91 to 1.10; 2 studies, 269 participants with syndromic approach and RR 1.04, 95% CI 0.93 to 1.16; 2 studies, 211 participants with aetiological diagnosis), with a similar frequency of minor adverse effects between the groups (RR 1.14, 95% CI 0.63 to 2.06; 1 trial, 101 participants). For this comparison, subgroup analysis found no difference between HIV-positive participants (RR 1.02, 95% CI 0.73 to 1.43; 1 study, 38 participants) and HIV-negative participants (RR 1.04, 95% CI 0.94 to 1.14; 1 study, 89 participants). We downgraded the quality of evidence to low, because of imprecision, some limitations on risk of bias and heterogeneity.None of the trials reported serious adverse events, cost effectiveness and participant satisfaction. AUTHORS' CONCLUSIONS: At present, the quality of the evidence on the effectiveness and safety of macrolides for treatment of H ducreyi infection in sexually active adults is low, implying that we are uncertain about the estimated treatment effect. There is no statistically significant difference between the available therapeutic alternatives for the treatment of sexually active adults with genital ulcers compatible with chancroid. Low quality evidence suggests that azithromycin could be considered as the first therapeutic alternative, based on their mono-dose oral administration, with a similar safety and effectiveness profile, when it is compared with long term erythromycin use.Due to sparse available evidence about the safety and effectiveness of macrolides to treat H ducreyi infection in people with HIV, these results should be taken with caution. PMID- 29226308 TI - HLA-B*1502 haplotype screening prior to carbamazepine administration in individuals of south-east Asian ancestry nears cost-effectiveness in preventing severe cutaneous adverse drug reactions. PMID- 29226309 TI - Medical Malpractice Liability Exposure and OB/GYN Physician Delivery Decisions. AB - OBJECTIVE: This study examines the effect of physician medical malpractice liability exposure on primary Cesarean and vaginal births after Cesarean (VBACs). DATA SOURCES/STUDY SETTING: Secondary data on hospital births from Florida Hospital Inpatient File, physician characteristics from American Medical Association Physician Masterfile, and physician malpractice claim history from Florida Office of Insurance Regulation. STUDY DESIGN: Our study estimates the effects of physician malpractice liability exposure on Cesareans and VBACs using panel data and a multivariate, fixed effects model. DATA COLLECTION: We merge three secondary data sources based on unique physician license numbers between 1994 and 2010. PRINCIPAL FINDINGS: We find no evidence that the first malpractice claim affects primary Cesarean deliveries. We find, however, that the first malpractice claim decreases the likelihood of a VBAC (conditional on a prior Cesarean delivery) by 1.2-1.9 percentage points (approximately 10 percent relative to mean VBAC incidence). This finding is robust to focusing on obstetrics-related malpractice claims, as well as to considering different malpractice claims (first report, first severe report, and first lawsuit). CONCLUSIONS: Given the increase in both primary and repeat Cesarean deliveries, our results suggest that physician malpractice liability exposure is responsible for a relatively small share of the VBAC decrease. PMID- 29226311 TI - Emerging Innovative Therapeutic Approaches Leveraging Cyclin-Dependent Kinase Inhibitors to Treat Advanced Breast Cancer. AB - Estrogen receptor-positive (ER+) tumors represent the most common form of breast cancer. Although endocrine therapy (ET) results in benefit for the majority of these patients, disease progression invariably occurs. The discovery of the relation between cyclin-dependent kinases (CDKs) and the ER pathways is one of the major advances in unveiling mechanisms of resistance to ET. In this article we review the role of CDK4/6 inhibitors in ER + breast cancer patients. PMID- 29226310 TI - Long-term behavioural outcomes after paediatric convulsive status epilepticus: a population-based cohort study. AB - AIM: To describe behavioural and psychiatric outcomes of children within 10 years of convulsive status epilepticus (CSE). METHOD: Children originally identified by the population-based North London Convulsive Status Epilepticus in Childhood Surveillance Study were followed-up between July 2009 and February 2013. They were grouped into epilepsy- and non-epilepsy-related CSE, and compared with population norms and healthy controls using the Strengths and Difficulties Questionnaire; the Autism Spectrum Screening Questionnaire; and the Swanson, Nolan, and Pelham questionnaire. Children who scored above recommended clinical cut-offs on any scale were invited for a neuropsychiatric assessment. Regression models were fitted to identify clinically relevant covariates associated with behavioural outcomes. RESULTS: At a mean follow-up of 8.1 years post-CSE, 28% of enrolled children were found to have a psychiatric disorder. Children with epilepsy-related CSE scored higher than norms on all scales and children with non epilepsy-related CSE scored higher than norms on the Strengths and Difficulties Questionnaire and the Autism Spectrum Screening Questionnaire. Presence of seizures at baseline and recurrence of CSE was associated with worse outcomes in the group with epilepsy. Intellectual abilities were associated with behavioural outcomes in all participants. INTERPRETATION: A large proportion of children manifest behavioural issues 8 years after CSE. The present data highlight the need for behavioural screening in children with neurodevelopmental impairments post-CSE. WHAT THIS PAPER ADDS: Eight years post convulsive status epilepticus (CSE), 37% of parents report behavioural issues. Of enrolled children, 28% were found to have a Diagnostic and Statistical Manual mental disorder. Intellectual abilities are strongly associated with behavioural outcomes in children post-CSE. PMID- 29226312 TI - Proportion of melanoma excisions performed by different specialties in Australia. PMID- 29226313 TI - Model-Based Assessments of CYP-Mediated Drug-Drug Interaction Risk of Alectinib: Physiologically Based Pharmacokinetic Modeling Supported Clinical Development. AB - Alectinib is a selective anaplastic lymphoma kinase (ALK) inhibitor approved for the treatment of ALK-positive non-small cell lung cancer. Alectinib and its major active metabolite M4 exhibited drug-drug interaction (DDI) potential through cytochrome P450 (CYP) enzymes CYP3A4 and CYP2C8 in vitro. Clinical relevance of the DDI risk was investigated as part of a rapid development program to fulfill the breakthrough therapy designation. Therefore, a strategy with a combination of physiologically based pharmacokinetic (PBPK) modeling and limited clinical trials focused on generating informative data for modeling was made to ensure extrapolation ability of DDI risk. The PBPK modeling has provided mechanistic insight into the low victim DDI risk of alectinib through CYP3A4 by a novel two dimensional analysis for fmCYP3A4 and FG , and demonstrated negligible CYPs 2C8 and 3A4 enzyme-modulating effects at clinically relevant exposure. This work supports that alectinib can be prescribed without dose adjustment for CYP mediated DDI liabilities. PMID- 29226314 TI - Sneezing in Primary Headaches With Cranial Autonomic Symptoms: Pathophysiological Considerations. A Series of Case Reports. AB - OBJECTIVE: To report a case series of sneezing systematically occurring in two cases with migraine and cranial autonomic symptoms and two with cluster headache. BACKGROUND: Sneezing occurring systematically during cluster headache or migraine is a rare condition. Sneezing has been described as a specific trigger for migraine. METHODS: Case reports. CASE SERIES: We describe four patients with primary headaches, presenting systematic sneezing at a definite time of premonitory, postdromal, or headache phase. All of these headaches were associated with cranial autonomic symptoms. CONCLUSION: Sneezing is a symptom associated with primary headaches. The definite place of sneezing in these patients suggests a particular implication of hypothalamus in the pathophysiology of these cases. PMID- 29226315 TI - Air exposure may be associated with the histological differentiation of a cultured epidermal autograft (JACE). PMID- 29226316 TI - Interpersonal predictors of stress generation: Is there a super factor? AB - Hammen's (1991, Journal of Abnormal Psychology, 100, 555-561) seminal paper on stress generation highlighted the reciprocal relationship between stress and depression. Not only does stress predict depression, but women with a diagnosis of depression also experienced subsequent increased levels of stress. In the ensuing years, depression researchers have moved beyond clinical predictors and examined whether depression vulnerability factors also contribute to stress generation. This interest has led to a growing focus on interpersonal vulnerability factors that contribute to stress generation. To date, the research examining interpersonal predictors of stress generation has tended to examine vulnerability factors singly and thus potential overlap and unique predictions among vulnerability factors have not been determined. This study examines interpersonal vulnerability factors from various schools of thought (dependency, attachment, and unmitigated communion) as predictors of interpersonal stress generation. Three hundred and sixty-four young adults completed baseline measures of interpersonal vulnerabilities and provided weekly reports of depressive symptoms and stressful life events. Multilevel models were estimated to examine their unique predictions of interpersonal stress generation. Despite converging theories, there does not appear to be a single super factor. Of the interpersonal vulnerability factors tested, anxious attachment emerged as a consistent predictor of interpersonal stress generation both when examined singly and when in combination with related variables. PMID- 29226318 TI - My Mom is Dead (and that is OK). PMID- 29226317 TI - Partnerships in European biomolecular research: the EMBL paradigm. PMID- 29226319 TI - LncRNA XIST regulates myocardial infarction by targeting miR-130a-3p. AB - The study was employed to probe long non-coding RNA X-inactive specific transcript RNA (lncRNA XIST) expression profile and its influence on cell cycle, proliferation and apoptosis in myocardial cells. We also aimed to explore the possible meditating relationship between XIST, PDE4D and miR-130a-3p. Gene differential analysis was carried out using Human LncRNA Microarray V3.0. Quantitative real-time PCR (qRT-PCR) was used to test mRNA expressions of XIST, miR-130a-3p and PDE4D in normal cells and post-myocardial infarction (MI) cells. Western blot was applied to determine the protein expression profile of PED4D. Changes in viability and cell cycle/apoptosis of post-MI myocardial cells after silencing of XIST or PDE4D were investigated by MTT assay and flow cytometry, respectively. The targeting relationship between miR-130a-3p and XIST, PDE4D in myocardial cells were verified by dual luciferase reporter assay. Simulated MI environment was constructed by performing anoxic preconditioning in normal cells to probe the influence of XIST on myocardial cell apoptosis. XIST and PDE4D were overexpressed in post-MI myocardial cells, while miR-130a-3p was underexpressed in post-MI myocardial cells. High-expressed XIST and PDE4D both promoted myocardial cell apoptosis. High-expressed XIST also inhibited myocardial cell proliferation. XIST down-regulated miR-130a-3p and PDE4D was a direct target of miR-130a-3p. LncRNA XIST promotes MI by targeting miR-130a-3p. MI induced by PDE4D can be reversed by miR-130a-3p. This article is protected by copyright. All rights reserved. PMID- 29226321 TI - The severity of periodontitis and metabolic syndrome in Korean population: The Dong-gu study. AB - OBJECTIVES: We assessed the association between periodontal disease status and metabolic syndrome (MetS) and its individual components in Korean adults over 50 years old. MATERIAL AND METHODS: In the Dong-gu study, 5078 men and women aged over 50 years were included. They underwent a questionnaire survey, physical assessment, biochemical assessment and periodontal assessment. The percentages of sites with periodontal probing depth >=4 mm, and clinical attachment loss >=4 mm were recorded for each participant. Periodontal disease was also classified by the Centers for Disease Control and Prevention/American Academy of Periodontology definition of periodontitis and the American Academy of Periodontology definition (1999). MetS was defined by the 2009 guidelines of the International Diabetes Federation. This study used multivariate negative binominal regression analysis to assess the association between the severity of periodontitis and MetS, after age, smoking habits, alcohol consumption and physical activity related factors were adjusted for. RESULTS: Prevalence of MetS was 32.3%, 36.2% and 45.9% among men with no or mild, moderate and severe periodontitis, respectively. The severity of periodontitis was positively associated with the prevalent MetS in men but not in women. In men, severe periodontitis showed a higher risk of MetS than those with no or mild periodontitis (relative risk 1.43, 95% confidence interval 1.17-1.73) after adjusting for confounders. Periodontal probing depth was positively associated with the prevalence of MetS in both genders. In the analysis separated by individual MetS components, periodontitis severity was positively associated with hypertriglyceridemia and low high-density lipoprotein cholesterol in men, while positively associated with low high-density lipoprotein cholesterol and abdominal obesity in women. CONCLUSION: Increasing the severity of periodontitis was associated with the risk of prevalent MetS in Korean adults. This result confirmed that periodontal inflammation might be a contributive factor of MetS. PMID- 29226320 TI - Breast cancer-associated mitochondrial DNA haplogroup promotes neoplastic growth via ROS-mediated AKT activation. AB - In the last decade, mitochondrial DNA (mtDNA) haplogroups have been associated with the occurrence of breast cancer. However, the underlying mechanism is not known. Combining a case-control study with a large cohort of women from Southern China with breast cancer and functional analyses with trans-mitochondrial technology, we demonstrate that the D5 haplogroup is associated with an increased risk of breast cancer [odds ratio (OR) = 2.789; 95% confidence interval (CI) [1.318, 5.901]; p = 0.007]. Furthermore, mitochondrial respiration, mitochondrial ATP content and membrane potential, were lower in both bone osteosarcoma and breast cancer cell models of cytoplasmic hybrids (cybrids) containing the mtDNA D5 haplogroup than in those with non-D5 haplogroups. Using in vitro and in vivo tumorigenicity assays, we found that cells with the D5 haplogroup were more susceptible to tumorigenesis compared to cells with non-D5 haplogroups. Mechanistically, the D5 haplogroup may promote tumorigenesis at least partially through activation of the v-AKT murine thymoma viral oncogene (AKT) via phosphorylation of threonine 308, which is mediated by increased reactive oxygen species generation in D5 cybrids. Our findings demonstrate that there is decreased mitochondrial function in cells with the D5 haplogroup compared to cells with non-D5 haplogroups, which may be associated with increased neoplastic growth in breast cancer. PMID- 29226322 TI - MiR-1290 promotes proliferation, migration, and invasion of glioma cells by targeting LHX6. AB - To investigate the interaction of miR-1290 and LHX6 in gliomas, and their influence on the propagation and metastasis of glioma cells. The differential expression of miR-1290 in glioma cells was identified by chip screening. The expression level of miR-1290 and LHX6 were determined by qRT-PCR and Western blot. The influence of miR-1290 on propagation of glioma cells were analyzed by MTT assay, EdU incorporation, and colony formation, while the impact of miR-1290 on metastasis was assessed by transwell assay. The relationship between LHX6 and miR-1290 was testified by luciferase reporter assay. The gliomas orthotopic implantation model of nude mice was established to investigate the influence of miR-1290 and LHX6 on tumor growth. Tumor volumes were evaluated by photon density, and the expression of Ki67 protein was analyzed by immunohistochemistry. MiR-1290 presented a higher expression in glioma cells and tissues. MiR-1290 overexpression significantly promoted propagation and metastasis of glioma cells, while miR-1290 knockdown inhibited glioma development. MiR-1290 suppressed LHX6 expression, facilitating development of glioma cells. The orthotopic implantation model showed that miR-1290 overexpression promoted tumor growth while LHX6 overexpression inhibited it. MiR-1290 could promote glioma cell propagation and metastasis by inhibiting LHX6. PMID- 29226323 TI - COPS5 and LASP1 synergistically interact to downregulate 14-3-3sigma expression and promote colorectal cancer progression via activating PI3K/AKT pathway. AB - Overexpression of LIM and SH3 protein 1 (LASP1) is required for colorectal cancer (CRC) development and progression. Here, C-Jun activation domain-binding protein 1 (Jab1), also known as COP9 signalosome subunit 5 (COPS5), was verified as a new LASP1-interacting protein through yeast two-hybrid assay. The role of COPS5 in LASP1-mediated CRC progression remains unknown. GST pull-down assay indicated that the SH3 domain of LASP1 could directly bind to MPN domain of COPS5. In vitro gain- and loss-of-function analyses revealed the stimulatory role of COPS5 on CRC cell proliferation, migration and invasion. Endogenous overexpression of COPS5 could also enhance the homing capacity of CRC cells in vivo. Further analysis showed that COPS5 and LASP1 synergistically interact to stimulate the ubiquitination and degradation of 14-3-3sigma and promote colorectal cancer progression via PI3K/Akt dependent signaling pathway. Clinically, the expression of COPS5 was studied in CRC tissues and it is associated with CRC differentiation, metastasis and poor prognosis. The colocalization of LASP1 and COPS5 was demonstrated in both nonmetastatic and metastatic CRC tissues. A positive correlation was found between the expression of LASP1 and COPS5 while a negative correlation existed between 14-3-3sigma and COPS5/LASP1 in most CRC samples. A combination of COPS5 and LASP1 tends to be an independent prognostic indicator for CRC patients, and this is also suitable for CRC without lymph node metastasis. The current research has further advanced our understanding on the complicated molecular mechanism underlying LASP1-mediated CRC progression, which hopefully will contribute to the development of novel diagnostic and therapeutic strategies in CRC. PMID- 29226324 TI - Tandem walking as a quick screening test for vestibular disorders. AB - OBJECTIVES/HYPOTHESIS: Although many screening tests of balance are available, few of them have been well validated for clinical or research uses. The goal of this study was to test an updated version of an old test, Tandem Walking, to determine how useful it is for screening patients with vestibular disorders. STUDY DESIGN: Case-control study. METHODS: Subjects were 90 adult patients with vestibular disorders and 292 healthy adult controls. They were tested on the number of correct tandem steps they could perform with arms crossed and eyes closed in a series of 10 steps. Correct steps could be nonconsecutive. Subjects were given one practice trial with eyes open and three experimental trials with eyes closed. RESULTS: Receiver operating characteristic (ROC), and sensitivity and specificity were calculated. ROC values, sensitivity, and specificity were, at best, only moderate, no matter how the age range was cut. Even for subjects in the age group with the highest ROC value (i.e., age less than 50 years), ROC = 0.8, sensitivity = 0.77, and specificity = 0.72. CONCLUSIONS: These results indicate that 23% of patients will not be identified. Therefore, we recommend that if this test is used for screening patients in the clinic or healthy volunteers, the result should be interpreted with care. LEVEL OF EVIDENCE: 3b. Laryngoscope, 128:1687-1691, 2018. PMID- 29226325 TI - LncRNA MALAT1 induces colon cancer development by regulating miR-129-5p/HMGB1 axis. AB - Recent studies have exhibited significant roles of lncRNAs in various tumors' development, including colon cancer. Our study focused on the biological roles of lncRNA MALAT1 in colon cancer. In our study, it was demonstrated that MALAT1 was upregulated in human colon cancer cell lines including Lovo, HCT116, SW480, and HT29 cells compared to the normal human intestinal epithelial HIEC cells. Moreover, we observed that miR-129-5p was downregulated in colon cancer cells with a significant increase of HMGB1 expression. Inhibition of MALAT1 can inhibit the proliferation of colon cancer SW480 and HCT116 cells and next, bioinformatics analysis was used to predict the target microRNA of MALAT1. miR-129-5p was identified and confirmed as a direct regulator of MALAT1 and it was shown that miR-129-5p mimics were able to restrain the progression of colon cancer cells. In addition, high motility group box protein 1 (HMGB1), was predicted as a mRNA target of miR-129-5p. Furthermore, we found that MALAT1 exerted its biological functions through regulating HMGB1 by sponging miR-129-5p in vitro. Silencing MALAT1 greatly inhibited HMGB1 expression which can be reversed by miR-129-5p inhibitors. It was indicated in our investigation that MALAT1 may serve as a competing endogenous lncRNA (ceRNA) to mediate HMGB1 by sponging miR-129-5p in colon cancer. Taken together, our results indicated that MALAT1/miR-129-5p/HMGB1 axis could be provided as an important prognostic biomarker in colon cancer development. PMID- 29226326 TI - RETREG1 (FAM134B): A new player in human diseases: 15 years after the discovery in cancer. AB - FAM134B (family with sequence similarity 134, member B)/RETREG1 and its functional roles are relatively new in human diseases. This review aimed to summarize various functions of FAM134B since our first discovery of the gene in 2001. The protein encoded by FAM134B is a reticulophagy receptor that regulates turnover of the endoplasmic reticulum (ER) by selective phagocytosis. Absence or non-functional expression of FAM134B protein impairs ER-turnover and thereby is involved in the pathogenesis of some human diseases. FAM134B inhibition contributes to impair proteostasis in the ER due to the accumulation of misfolded or aggregated proteins, which in turn leads to compromised neuronal survival and progressive neuronal degenerative diseases. Mutations in FAM134B associated with hereditary sensory and autonomic neuropathy type IIB (HSAN IIB). Selective cleavage of FAM134B by Dengue, Zika, and West Nile virus encoded protease NS2B3 leads to the increased production of infection units, whereas upregulation of FAM134B inhibits viral replication. In cancer, FAM134B acts as a tumor suppressor and inhibit cancer growth both in-vitro and in-vivo. Pharmacological upregulation of FAM134B resulted in reduced cancer cell growth and proliferation. In addition, FAM134B mutations are common in patients with colorectal adenocarcinoma, and oesophageal squamous cell carcinoma. These mutations and expression changes of FAM134B were associated with the biological aggressiveness of these cancers. FAM134B also plays a role in allergic rhinitis, vascular dementia, and identification of stem cells. Taken together, information available in the literature suggests that FAM134B plays critical roles in human diseases, by interacting with different biological and chemical mediators, which are primarily regulated by ER turnover. PMID- 29226327 TI - Medication use and kidney cancer survival: A population-based study. AB - Several studies demonstrate that use of commonly prescribed medications is associated with improved survival in various malignancies. Methods of classifying medication use in many of these studies, however, do not account for intermittent or cumulative use. Moreover, there are limited data in kidney cancer. Therefore, we performed a population-based cohort study utilizing healthcare databases in Ontario, Canada. We identified patients aged >=65 with an incident diagnosis of kidney cancer between 1997 and 2013 and examined use of nine putative anti neoplastic medications using prescription claims. Cox proportional hazard models evaluated the association of medication exposure on cancer-specific and overall survival. We conducted three separate analyses: the effect of cumulative duration of exposure to the study medications on outcomes, the effect of current exposure (in a binary nature) and the effect of exposure at diagnosis. During the 16-year study period, we studied 9,124 patients. Increasing cumulative use of angiotensin converting enzyme inhibitors, non-steroidal anti-inflammatory drugs (NSAIDs) and selective serotonin reuptake inhibitors were associated with markedly improved cancer-specific survival; increasing use of NSAIDs was associated with markedly improved overall survival. These results were generally discordant with analyses evaluating the effect of current use and exposure at diagnosis. In conclusion, pharmacoepidemiology studies may be sensitive to the method of analysis; cumulative use analyses may be the most robust as it accounts for intermittent use and supports a dose-outcome relationship. Prospective studies are needed to confirm whether patients diagnosed with kidney cancer should be started on an angiotensin-converting enzyme inhibitor, NSAID or selective serotonin reuptake inhibitor to improve survival. PMID- 29226328 TI - Magnetic resonance thoracic ductography assessment of serial changes in the thoracic duct after the intake of a fatty meal. AB - The thoracic duct, a terminal lymph vessel, is thought to dilate after the intake of a fatty meal. However, this physiological change has not been well explored in vivo. Therefore, the present study aimed to assess serial changes in the thoracic duct after the intake of a fatty meal using magnetic resonance thoracic ductography (MRTD). Eight healthy volunteers were subjected to one MRTD scan before a fatty meal and eight serial MRTD scans every hour thereafter. The cross sectional areas of the thoracic duct were estimated using MRTD measurements of the diameters of the thoracic duct at the upper edge of the aortic arch, the tracheal bifurcation, the mid-point between the tracheal bifurcation and the left part of the diaphragm and the left part of the diaphragm. The change-rates in these areas were calculated before and after the fatty meal intake, and the maximal change-rate and timing of its achievement were determined for each subject. The summed change-rates in the four portions of the thoracic duct ranged from -40.1 to 81.3%, with maximal change-rates for each subject ranging from 22.8 to 81.3% (mean, 50.4%). Although individual variations were observed, most subjects (88.9%) exhibited a maximal change-rate at 4-6 h after meal intake, with subsequent decreases at 7-8 h. In conclusion, MRTD revealed a tendency toward thoracic duct enlargement at 4-6 h after the intake of a fatty meal, followed by contraction. PMID- 29226329 TI - Expectations and needs of Ugandan women for improved quality of childbirth care in health facilities: A qualitative study. AB - OBJECTIVE: To describe the experiences, expectations, and needs of urban Ugandan women in relation to good-quality facility childbirth. METHODS: Women who had given birth in the 12 months prior to the study were purposively sampled and interviewed, or included in focus groups. Thematic analysis was used, and the data were interpreted within the context of an existing quality of care framework. RESULTS: Forty-five in-depth interviews and six focus group discussions were conducted. Respect and dignity, timely communication, competent skilled staff, and availability of medical supplies were central to women's accounts of quality care, or a lack of it. The hope for a live baby motivated women to seek facility-based childbirth. They expected to encounter competent, respectful, and caring staff with appropriate skills. In some cases, they could only fulfill these expectations through additional personal financial payments to staff, for clinical supplies, or to guarantee that they would be attended by someone with suitable skills. CONCLUSION: Long-term improvement in quality of maternity care in Uganda requires enhancement of the interaction between women and health staff in facilities, and investment in staff and resources to ensure that safe, respectful care is not dependent on willingness and/or capacity to pay. PMID- 29226330 TI - Transcutaneous immunization with pneumococcal surface protein A in mice. AB - OBJECTIVE: Pneumococcal infection caused by Streptococcus pneumoniae is a major upper respiratory tract disease that causes severe illness and mortality. Therefore, it is important to develop safe and effective vaccines to prevent pneumococcal infections. The goal of the study was to investigate the effectiveness of transcutaneous immunization (TCI) for induction of pneumococcal surface protein A (PspA) responses in the upper respiratory tract. METHODS: C57BL/6 mice were transcutaneously immunized with 1 MUg of PspA and 2 MUg of cholera toxin (CT) six times at weekly intervals and compared with transcutaneously treated controls (PBS alone/PspA alone/CT alone). Two weeks after the final immunization, nasal washes (NWs), saliva, and plasma samples were collected and subjected to a PspA-specific ELISA. Three weeks after the final immunization, mice were challenged with S. pneumoniae strain EF3030, and the numbers of CFUs in NWs and nasal passages (NPs) were determined. RESULTS: Higher levels of PspA-specific IgM, IgG, and IgA Abs were noted in plasma of TCI with PspA plus CT compared with controls. Transcutaneous immunization mice also had significantly increased PspA-specific S-IgA Ab responses in NWs and saliva and, importantly, showed significantly lower numbers of bacteria CFUs in NWs and NPs compared with controls. CONCLUSION: These results show that TCI with PspA plus CT induces antigen-specific mucosal and systemic immune responses. This suggests that this method is an effective mucosal immunization strategy for induction of protective pneumococcal-specific Ab responses in blockade of S. pneumoniae colonization of the nasal cavity. LEVEL OF EVIDENCE: NA. Laryngoscope, 128:E91 E96, 2018. PMID- 29226331 TI - A novel pathway activated by somatostatin receptor type 2 (SST2): Inhibition of pituitary tumor cell migration and invasion through cytoskeleton protein recruitment. AB - The pharmacological therapy of GH-secreting pituitary tumors is based on somatostatin (SS) analogs that reduce GH secretion and cell proliferation by binding mainly SS receptors type 2 (SST2). Antimigratory effects of SS have been demonstrated in different cell models, but no data on pituitary tumors are available. Aims of our study were to evaluate SST2 effects on migration and invasion of human and rat tumoral somatotrophs, and to elucidate the molecular mechanism involved focusing on the role of cofilin and filamin A (FLNA). Our data revealed that SST2 agonist BIM23120 significantly reduced GH3 cells migration ( 22% +/- 3.6%, p < 0.001) and invasion on collagen IV (-31.3% +/- 12.2%, p < 0.01), both these effects being reproduced by octreotide and pasireotide. Similar results were obtained in primary cultured cells from human GH-secreting tumors. These inhibitory actions were accompanied by a marked increase in RhoA/ROCK dependent cofilin phosphorylation (about 2.7-fold in GH3 and 2.1-fold in human primary cells). Accordingly, the anti-invasive effect of the SS analog was mimicked by the overexpression in GH3 cells of the S3D phosphomimetic cofilin mutant, and abolished by both phosphodeficient S3A cofilin and a specific ROCK inhibitor that prevented cofilin phosphorylation. Moreover, FLNA silencing and FLNA dominant-negative mutants FLNA19-20 and FLNA21-24 transfection demonstrated that FLNA plays a scaffold function for SST2-mediated cofilin phosphorylation. Accordingly, cofilin recruitment to agonist-activated SST2 was completely lost in FLNA silenced cells. In conclusion, we demonstrated that SST2 inhibits rat and human tumoral somatotrophs migration and invasion through a molecular mechanism that involves FLNA-dependent cofilin recruitment and phosphorylation. PMID- 29226332 TI - Preoperative prediction nomogram based on primary tumor miRNAs signature and clinical-related features for axillary lymph node metastasis in early-stage invasive breast cancer. AB - More than half patients who undergo axillary lymph node (ALN) surgery are ALN negative in early-stage invasive breast cancer (EIBC). Thus, to avoid excessive treatment, we aim to establish and validate a novel nomogram model for the preoperative diagnosis of ALN status in patients with EIBC. In total, 864 patients with EIBC from two independent centers were enrolled in our study. For the discovery set, miRNAs expression profiling with functional roles in ALN metastasis was discovered by microarray analysis and validated by quantitative polymerase chain reaction (PCR). For the training and validation cohorts, we used PCR to quantify miRNAs expression in a model development cohort and assessed miRNAs signature in an internal validation cohort and external independent validation cohort. Multivariable logistic regression analyses were used to establish a nomogram model for the likelihood of ALN metastasis from miRNAs signature and clinical variables. A signature of nine-miRNA was significantly associated with ALN status. The predictive ability of our nomogram that included miRNAs signature and clinical-related variables (age, tumor size, tumor location and axillary ultrasound-reported ALN status) was significantly greater than a model that only considered clinical-related factors (concordance index: 0.856, 0.796) and also performed well in the two validation cohorts (concordance index: 0.841, 0.747). Our nomogram is a reliable prediction method that can be conveniently used to preoperatively predict ALN status in patients with EIBC. Therefore, after further confirmation in prospective and multicenter clinical trial, omission of axillary surgery may be feasible for some patients with EIBC in the future. PMID- 29226333 TI - p53 and miR-210 regulated NeuroD2, a neuronal basic helix-loop-helix transcription factor, is downregulated in glioblastoma patients and functions as a tumor suppressor under hypoxic microenvironment. AB - The factors involved in cell differentiation have recently garnered interest for their role in inhibition of pathogenesis in various tumors. However, their role in glioblastoma (GBM) remains poorly understood. We analyzed The Cancer Genome Atlas (TCGA) GBM data and found significant downregulation of neurogenic differentiation factor NeuroD2 in GBM patients. Low levels of NeuroD2 were found to be correlated with poor overall survival of GBM patients in TCGA dataset as well as in our cohort. Interestingly, NeuroD2 was shown to be transcriptionally induced by p53 and post-transcriptionally targeted by hypoxia- inducible miRNA, miR-210. NeuroD2 overexpression diminished GBM aggressiveness by inhibiting cell proliferation, migration and promoting apoptosis under hypoxia. NeuroD2 overexpressing GBM cells failed to form three-dimensional (3D)-tumor spheroids and displayed reduced migration in a 3D gelatin matrix. NeuroD2 gene signature was enriched in pathways belonging to cytokine-cytokine receptor interaction, TNF signaling, PI3K-AKT signaling, focal adhesion and ECM-receptor interaction. Overall, our study identifies a novel role of NeuroD2 as a tumor suppressor and prognostic biomarker in GBM the levels of which are tightly regulated by p53 and miR-210. Overexpressing NeuroD2 may potentially be a simple and efficient therapeutic strategy to inhibit the malignant phenotype of GBM cells. PMID- 29226334 TI - Early Stage olfactory neuroblastoma and the impact of resecting dura and olfactory bulb. AB - OBJECTIVE: Compare outcomes of patients with olfactory neuroblastoma (ONB) without skull base involvement treated with and without resection of the dura and olfactory bulb. METHODS: Retrospective review of ONB patients treated from 1992 to 2013 at the MD Anderson Cancer Center (The University of Texas, Houston, Texas, U.S.A.). Primary outcomes were overall and disease-free survival. RESULTS: Thirty-five patients were identified. Most patients had Kadish A/B. tumors (97%), Hyams grade 2 (70%), with unilateral involvement (91%), and arising from the nasal cavity (68%). Tumor involved the mucosa abutting the skull base in 42% of patients. Twenty-five patients (71%) received surgery and radiation, whereas the remainder had surgery alone. Five patients (14%) had bony skull base resection, and eight patients (23%) had resection of bony skull base, dura, and olfactory bulb. Surgical margins were grossly positive in one patient (3%) and microscopically positive in four patients (12%). The 5- and 10-year overall survival were 93% and 81%, respectively. The 5- and 10-year disease-free survival (DFS) were 89% and 78%, respectively. Bony cribriform plate resection was associated with better DFS (P = 0.05), but dura and olfactory bulb resection was not (P = 0.11). There was a trend toward improved DFS in patients with negative resection margins (P = 0.19). Surgical modality (open vs. endoscopic) and postoperative radiotherapy did not impact DFS. CONCLUSION: Most Kadish A/B ONB tumors have low Hyams grade, unilateral involvement, and favorable survival outcomes. Resection of the dura and olfactory bulb is not oncologically advantageous in patients without skull base involvement who are surgically treated with negative resection margins and cribriform resection. LEVEL OF EVIDENCE: 4. Laryngoscope, 128:1274-1280, 2018. PMID- 29226335 TI - Cancer incidence in northern Thailand: Results from six population-based cancer registries 1993-2012. AB - Rapid changes in social and economic development have led to cancer becoming a major cause of national morbidity and mortality in Thailand. Cancer registries have been critical in documenting subnational cancer patterns and transitions in the country; with the establishment of six registries in northern Thailand, a comprehensive assessment of the scale and profile of cancer is now possible in the region. Cancers of the liver, lung, colorectum, breast and cervix were the major cancers 2008-2012, although variations in the profiles of cancer were observed, with a very high incidence of liver cancer seen among males in Phrae, corresponding to one in 11 men developing the disease in a lifetime. Based on data from Lampang and Chiang Mai 1993-2012, rates of lung and cervical cancer incidence have declined, while liver, colorectal and breast cancer incidence have been increasing up to 2012. A more detailed investigation of the incidence trends for specific cancer sites and subtypes at the local level are crucial to the monitoring and evaluation of the cancer control interventions implemented within the Thai national cancer control programme (NCCP). Priority should be given to extend the capacity of the new registries in northern Thailand, ensuring improvement in quality and utilization of the data to drive epidemiologic research and cancer control. PMID- 29226336 TI - Single-pass incremental force updates for adaptively restrained molecular dynamics. AB - Adaptively restrained molecular dynamics (ARMD) allows users to perform more integration steps in wall-clock time by switching on and off positional degrees of freedoms. This article presents new, single-pass incremental force updates algorithms to efficiently simulate a system using ARMD. We assessed different algorithms for speedup measurements and implemented them in the LAMMPS MD package. We validated the single-pass incremental force update algorithm on four different benchmarks using diverse pair potentials. The proposed algorithm allows us to perform simulation of a system faster than traditional MD in both NVE and NVT ensembles. Moreover, ARMD using the new single-pass algorithm speeds up the convergence of observables in wall-clock time. (c) 2017 Wiley Periodicals, Inc. PMID- 29226337 TI - Designing In and Around Tolerability Considerations for Immunotherapy Combinations. AB - Over a century ago, paths diverged in the treatment of cancer: the well-traveled path employed cytotoxic chemotherapy drugs, while one of the roads less traveled included immunotherapies. Cancer immunotherapy is now a path to durable responses, however not all patients benefit. Immunotherapy combinations promise responses for a larger proportion of patients, but tolerability can prove to be a barrier. Providing deep, durable responses to more patients requires us to successfully navigate emerging combination tolerability issues. PMID- 29226338 TI - Do surfaces of positive electrostatic potential on different halogen derivatives in molecules attract? like attracting like! AB - Coulomb's law states that like charges repel, and unlike charges attract. However, it has recently been theoretically revealed that two similarly charged conducting spheres will almost always attract each other when both are in close proximity. Using multiscale first principles calculations, we illustrate practical examples of several intermolecular complexes that are formed by the consequences of attraction between positive atomic sites of similar or dissimilar electrostatic surface potential on interacting molecules. The results of the quantum theory of atoms in molecules and symmetry adapted perturbation theory support the attraction between the positive sites, characterizing the F***X (X = F, Cl, Br) intermolecular interactions in a series of 20 binary complexes as closed-shell type, although the molecular electrostatic surface potential approach does not (a failure!). Dispersion that has an r-6 dependence, where r is the equilibrium distance of separation, is found to be the sole driving force pushing the two positive sites to attract. (c) 2017 Wiley Periodicals, Inc. PMID- 29226339 TI - Development of an artificial neural network model for risk assessment of skin sensitization using human cell line activation test, direct peptide reactivity assay, KeratinoSensTM and in silico structure alert parameter. AB - It is important to predict the potential of cosmetic ingredients to cause skin sensitization, and in accordance with the European Union cosmetic directive for the replacement of animal tests, several in vitro tests based on the adverse outcome pathway have been developed for hazard identification, such as the direct peptide reactivity assay, KeratinoSensTM and the human cell line activation test. Here, we describe the development of an artificial neural network (ANN) prediction model for skin sensitization risk assessment based on the integrated testing strategy concept, using direct peptide reactivity assay, KeratinoSensTM, human cell line activation test and an in silico or structure alert parameter. We first investigated the relationship between published murine local lymph node assay EC3 values, which represent skin sensitization potency, and in vitro test results using a panel of about 134 chemicals for which all the required data were available. Predictions based on ANN analysis using combinations of parameters from all three in vitro tests showed a good correlation with local lymph node assay EC3 values. However, when the ANN model was applied to a testing set of 28 chemicals that had not been included in the training set, predicted EC3s were overestimated for some chemicals. Incorporation of an additional in silico or structure alert descriptor (obtained with TIMES-M or Toxtree software) in the ANN model improved the results. Our findings suggest that the ANN model based on the integrated testing strategy concept could be useful for evaluating the skin sensitization potential. PMID- 29226340 TI - Is there a place for dexmedetomidine in equine anaesthesia and analgesia? A systematic review (2005-2017). AB - The objective of this review was to perform a literature compilation of all the equine publications that used dexmedetomidine as the first article on this topic was published, in 2005. We also aimed to answer the question whether the use of dexmedetomidine can currently be justified. For that, we compiled information from databases, such as PubMed, Google Scholar and Web of Science and the proceedings of the last veterinary anaesthesiology meetings. Dexmedetomidine is an attractive drug to be used in horses, mainly due to its pharmacokinetic profile and pharmacodynamics that favour its use as intravenous constant rate infusion (CRI). Nowadays, its clinical use is popular for sedation in prolonged standing procedures and during partial intravenous anaesthesia (PIVA) and total intravenous anaesthesia (TIVA). However, legal requirements for its use should be taken into account. PMID- 29226341 TI - Inflammation and Its Consequences After Surgical Versus Transcatheter Aortic Valve Replacement. AB - Symptomatic aortic stenosis can be treated by surgical aortic valve replacement (SAVR) or transcatheter aortic valve replacement (TAVR), the latter of which is regarded as a minimally invasive procedure. Differences between these procedures regarding immune responses or changes in coagulation and neurocognitive function have thus far been evaluated only sparsely. We carried out a prospective, single center, nonrandomized explorative study with 38 patients. Thirteen patients were subjected to either SAVR or transfemoral (TF-) TAVR, and 12 patients underwent transapical (TA-) TAVR. Plasma cytokines (IL-6, -8, -18, presepsin) and acute phase proteins (C-reactive protein, procalcitonin), markers of coagulation and platelet function, and neurocognitive function (via various standard tests) were assessed before and at five-time points during a 72-h follow-up after surgery. SAVR and TA-TAVR patients responded similarly to the procedure in terms of C reactive protein, leukocyte numbers, and IL-6, whereas these responses were substantially lower in TF-TAVR patients. Only SAVR patients showed measurable IL 10 levels. SAVR patients without prior anticoagulation experienced a robust and transient restoration of platelet function after surgery, with no hypercoagulation observable in functional coagulation assays. None of the procedures led to an immediate improvement of hand and leg coordination, but patients after TA-TAVR had decreased neurocognitive function. Patients after SAVR or TA-TAVR exhibit a robust pro-inflammatory response, which is-on the cytokine level-counterbalanced only in SAVR patients. Our results point toward a greater impact of TA-TAVR on neurocognitive function and indicate a potentially detrimental activation of platelets in some patients after SAVR. PMID- 29226342 TI - Calcium chloride-enriched calcium aluminate cement promotes in vitro osteogenesis. AB - AIM: To evaluate the effects of 2.8% or 10% calcium chloride (CaCl2 ) in calcium aluminate cement (CAC) with either bismuth oxide (Bi2 O3 ) or zinc oxide (ZnO) as radiopacifiers on the progression of osteogenic cell cultures. METHODOLOGY: Rat calvaria-derived cells were grown on Thermanox(r) coverslips for 24 h and exposed to samples of (i) CACb: with 2.8% CaCl2 and 25% Bi2 O3 ; (ii) CACb+: with 10% CaCl2 and 25% Bi2 O3 ; (iii) CACz: with 2.8% CaCl2 and 25% ZnO; or (iv) CACz+: with 10% CaCl2 and 25% ZnO, placed on inserts. Nonexposed cultures served as the control. Calcium and phosphorus contents in culture media were quantified. The effects of the cements on cell apoptosis, cell viability and acquisition of the osteogenic cell phenotype were evaluated. Data were compared by Kruskal-Wallis test (alpha = 5%). RESULTS: CACb+ promoted the highest levels of calcium in the culture media; CACz+, the lowest levels of phosphorus (P < 0.05). CACz+ and CACb increased cell apoptosis (P < 0.05). CACb reduced cell viability (P < 0.05) and the expression of the osteoblastic phenotype. CACz+ and CACb+ promoted greater cell differentiation and matrix mineralization compared to CACz and CACb (P < 0.05). CONCLUSION: For CAC with the lower CaCl2 content, the use of Bi2 O3 was detrimental for osteoblastic cell survival and differentiation compared to ZnO, while CAC with the higher CaCl2 content supported the acquisition of the osteogenic cell phenotype in vitro regardless of the radiopacifier used. Thus, CAC with 10% CaCl2 would potentially promote bone repair in the context of endodontic therapies. PMID- 29226343 TI - Wide QRS tachycardia with RBBB morphology, right inferior quadrant axis, and 1:1 AV relation: What is the mechanism? PMID- 29226344 TI - Author's Reply. PMID- 29226345 TI - Palisading neutrophilic and granulomatous dermatitis as a presentation of Hodgkin lymphoma: A case and review. AB - Palisaded neutrophilic and granulomatous dermatitis (PNGD) is a histopathological diagnosis, characterized by a pattern of granulomatosis, which may be associated with leukocytoclastic vasculitis. PNGD most commonly occurs in association with systemic inflammatory disorders, typically autoimmune conditions, such as rheumatoid arthritis and systemic lupus erythromatosus. There are very rare reports of PNGD in patients with lymphoma. We report the case of a 53-year-old female with an erythematous, papular eruption occurring in association with Hodgkin lymphoma. Histopathological evaluation of the rash confirmed PNGD. To the best of our knowledge, this is the first case of PNGD occurring in association with Hodgkin lymphoma. Although extremely rare, underlying malignancy should be considered in patients with PNGD, particularly in individuals with constitutional symptoms and the absence of an obvious inflammatory etiology. PMID- 29226346 TI - A multicomponent approach to thinning reinforcer delivery during noncontingent reinforcement schedules. AB - We evaluated a noncontingent reinforcement procedure that involved initially providing three subjects with signaled, continuous access to the functional reinforcer for aggression and slowly increasing the amount of time subjects were exposed to the signaled unavailability of the reinforcer. Additionally, alternative potential reinforcers were available throughout the sessions. Results showed immediate and substantial reductions in aggression for all three subjects. The clinical utility of this intervention is discussed, and future research directions are recommended. PMID- 29226347 TI - Job insecurity and depression among automobile sales workers: A longitudinal study in South Korea. AB - BACKGROUND: Job insecurity, the subjective perception of fear due to uncertainty about job continuity, could have long-term health effects. We aimed to examine the effect of job insecurity on depression among automobile sales workers in South Korea. METHODS: We analyzed data collected in 2007 and 2014 from a longitudinal cohort of 560 sales workers from an automobile company in South Korea. Change in job insecurity was classified into four groups: secure to secure; insecure to secure; secure to insecure; and insecure to insecure. RESULTS: After adjusting for potential confounders, workers in the insecure to insecure group had a significantly higher likelihood of depression in 2014 than workers in the secure to secure group (OR: 2.74; 95%CI: 1.41, 5.31). CONCLUSIONS: We found that chronic job insecurity may be a risk factor for developing depression among Korean automobile sales workers. This is the first longitudinal study examining the association between job insecurity and depression in South Korea. PMID- 29226348 TI - Sevoflurane induces liver injury by modulating the expression of insulin-like growth factor 1 via miR-214. AB - This study aimed to detect the effect of sevoflurane anesthesia on liver injury through modulating IGF-1. The expression of IGF-1 and IGF-1R in liver tissues of sevoflurane-exposed rats was examined by qRT-PCR and Western blot. The expression levels of miR-214 in liver cells treated with different concentration of sevoflurane at different time points were detected by qRT-PCR. Enzyme-linked immunosorbent (ELISA) assay was used to analyze serum IGF-1 concentration in cell culture media. After pre-treatment with 100 nM miR-214 inhibitor followed by exposure to sevoflurane, the expression level of miR-214 and IGF-1 protein in liver cells was examined. Hematoxylin-Eosin (HE) staining and TUNEL assay was performed to analyze liver tissue necrosis and apoptosis. The expression levels of apoptosis-related proteins (caspase 3 and Bcl-xL) were examined using Western blot. The mRNA and protein expression level of IGF-1 and IGF-1R in rats was significantly down-regulated after 90 min exposure to sevoflurane. QRT-PCR results suggested that exposure to sevoflurane upregulated the expression level of miR-214 and decreased the concentration of IGF-1 in a dose and time dependent manner. Sevoflurane inhibited the expression of IGF-1 through up-regulating miR 214. IGF-1 inhibited the positive effect of sevoflurane on cell necrosis and apoptosis. Sevoflurane could induce liver injury by modulating IGF-1 expression via miR-214. PMID- 29226349 TI - What do we know about coaching in medical education? A literature review. AB - CONTEXT: Coaching has been employed successfully in the competitive sports, professional music, and business and corporate worlds. It is now emerging as a training modality in medical education. OBJECTIVES: This paper reviews the current evidence on coaching strategies for doctors and medical students. METHODS: An applied literature search was conducted in PubMed, MEDLINE and Web of Science. Predetermined definitions of coaching interventions and their evaluations were used to narrow 993 papers down to 21, which were included in the final review. The 21 papers were critiqued with reference to validated scoring metrics. RESULTS: There are many papers discussing the merits of coaching in the world of medicine, but few evaluations of coaching interventions. Existing coaching methodologies can be broadly summarised into three categories: coaching for doctor/student well-being and resilience; coaching for improved non-technical skills, and coaching for technical skills. Identification of suitable papers for inclusion is complicated by theoretical uncertainty regarding coaching: many papers use the term as a synonym for teaching or mentoring. The strongest evidence for coaching lies in the teaching of technical skills. CONCLUSIONS: There is weak- to medium-strength evidence to support coaching as a method of improving doctor well-being and enhancing non-technical skills, although the evidence base is limited as a whole. This review identifies strong evidence to support coaching as a method to improve technical skills. There is great scope for further studies investigating the power of coaching in medical students and doctors. PMID- 29226350 TI - Design and implementation of a novel advanced training curriculum in hemoglobinopathies. PMID- 29226351 TI - Candidate diagnostic miRNAs that can detect cancer in prostate biopsy. AB - BACKGROUND: While histopathological evaluation remains the gold standard for diagnosis of prostate cancer (PCa), sampling errors remain a frequent problem; therefore, use of tissue biomarkers that can distinguish between benign and malignant prostate disease is a potentially beneficial diagnostic strategy. METHODS: Deep sequencing of the miRNA transcriptome of 14 benign prostatic hyperplasia (BPH) and 60 cancerous and non-cancerous prostate samples extracted from 34 cancer-bearing prostates removed by prostatectomy was performed; of the latter 60 samples, 16, 21, and 23 samples contained <10%, >30%, and no dysplastic cells, respectively. The predictive value of selected miRNAs was then tested by quantitative reverse-transcribed PCR (qRT-PCR), using two separate chemistries, Exiqon and Taqman, to evaluate the tissue samples obtained by prostatectomy. Validation experiments were also performed for a subset of miRNAs by qRT-PCR of 87 prostate core biopsies. RESULTS: We identified 123 miRNAs significantly dysregulated in PCa (adjusted P-values <0.05); 110 and 13 miRNAs were dysregulated only in cancerous samples and non-cancerous samples extracted from cancer-bearing prostates, respectively, while 31 were dysregulated regardless of the dysplastic cell content of the studied specimens. The clinical utility of eight selected miRNAs was analyzed using the same sample set with two qRT-PCR chemistries. Measurable qRT-PCR signals were obtained for seven and six miRNAs using the Exiqon and Taqman chemistries, respectively, and expression levels of six and four of these miRNAs differed significantly between BPH and PCa samples, regardless of dysplastic cell content. Validation experiments on core biopsies using qRT-PCR confirmed differential expression between BPH and PCa of four miRNAs (miR-187-3p, miR-183-5p, miR-32-5p, and miR-141-5p) using the Exiqon and one miRNA (miR-187-3p) with the Taqman chemistry. CONCLUSIONS: Our sequencing analyses identified several candidate diagnostic miRNAs and confirmed some which have previously been reported as diagnostic in prostate malignancy. The results of this study suggest also that some of selected miRNAs can differentiate between non-malignant and malignant prostates even when neoplastic cells are missing from the studied specimen. PMID- 29226352 TI - Tutorial on kernel estimation of continuous spatial and spatiotemporal relative risk. AB - Kernel smoothing is a highly flexible and popular approach for estimation of probability density and intensity functions of continuous spatial data. In this role, it also forms an integral part of estimation of functionals such as the density-ratio or "relative risk" surface. Originally developed with the epidemiological motivation of examining fluctuations in disease risk based on samples of cases and controls collected over a given geographical region, such functions have also been successfully used across a diverse range of disciplines where a relative comparison of spatial density functions has been of interest. This versatility has demanded ongoing developments and improvements to the relevant methodology, including use spatially adaptive smoothers; tests of significantly elevated risk based on asymptotic theory; extension to the spatiotemporal domain; and novel computational methods for their evaluation. In this tutorial paper, we review the current methodology, including the most recent developments in estimation, computation, and inference. All techniques are implemented in the new software package sparr, publicly available for the R language, and we illustrate its use with a pair of epidemiological examples. PMID- 29226354 TI - Liquid chromatographic methods for the therapeutic drug monitoring of methotrexate as clinical decision support for personalized medicine: A brief review. AB - Methotrexate (MTX) is an antifolate drug used for several diseases. Depending on the disease, MTX can be administered at low dose (LDMTX) in some autoimmune diseases, like rheumatoid arthritis, or at high dose (HDMTX) in some cancers, such as acute lymphoblastic leukemia. After absorption, MTX is metabolized in the liver to 7-hydroxymethotrexate and in the intestine to 2,4-diamino-N10 methylpteroic acid (DAMPA). Moreover, inside red blood cells, MTX is converted to active metabolites, MTX polyglutamates (MTXPGs), contributing to its pharmacodynamics. Owing to its narrow therapeutic range, and inter- and intra patient variability, either noneffectiveness and/or toxicity may occur. Because of the existence of a relationship between drug therapeutic outcome and its systemic concentration, therapeutic drug monitoring (TDM) may ensure the effectiveness and safety of MTX use. In order to monitor the optimization of patient clinical response profile, several analytical methods have been described for TDM in biological samples. These include liquid chromatography (LC) coupled with ultraviolet detection, fluorescence detection or mass spectrometry, each one presenting advantages and drawbacks. This paper reviews the most commonly used techniques for sample preparation and critically discusses the current LC methods applied for the TDM of MTX in biological samples, at LDMTX and HDMTX. PMID- 29226353 TI - Biotransformation and metabolic profile of Xian-Ling-Gu-Bao capsule, a traditional Chinese medicine prescription, with rat intestinal microflora by ultra-performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry analysis. AB - Xian-Ling-Gu-Bao capsule (XLGB), a well-known traditional Chinese medicine prescription, has been used for the prevention and treatment of osteoporosis. The safety and efficacy of XLGB have been confirmed based on the principle of evidence-based medicine. XLGB is usually administered orally, after which its multiple components are brought into contact with intestinal microflora in the alimentary tract and biotransformed. However, investigations on the comprehensive metabolic profile of XLGB are absent. In this study, 12 representative compounds bearing different typical structures (including iridoid glycosides, prenylated flavonol glycosides, prenylated flavonoids, triterpenoid saponins, steroidal saponins, coumarins and monoterpene phenols) were selected and then investigated for their biotransformation in rat intestinal microflora. In addition, the metabolic profile of XLGB in rat intestinal microflora was investigated by ultra performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry. As a result, a total of 87 biotransformation components were identified from incubated solutions of 12 representative compounds and XLGB, which underwent 16 metabolic reactions (including deglycosylation, glycosylation, dehydrogenation, hydrogenation, oxidation, epoxidation, hydroxylation, dehydration, hydration, hydrolysis, methylation, isomerization, cyclization, pyrolysis reaction, amino acid conjugation and nucleophilic addition reaction with NH3 ). This demonstrated that the deglycosylation reaction by cleavage of the sugar moieties is the main metabolic pathway of a variety of glycosides, including prenylated flavonol glycosides, coumarin glycosides, iridoid glycosides and saponins. In addition, compared with the biotransformation of 12 representative compounds, a different biotransformed fate was observed in the XLGB incubated samples of rat intestinal microflora. It is worth noting that the amino acid conjugation was first discovered in the metabolism of prenylated flavonol glycosides in rat intestinal microflora. PMID- 29226355 TI - Changes in verbal and visuospatial working memory from Grade 1 to Grade 3 of primary school: Population longitudinal study. AB - BACKGROUND: Adaptive working memory training is being implemented without an adequate understanding of developmental trajectories of working memory. We aimed to quantify from Grade 1 to Grade 3 of primary school (1) changes in verbal and visuospatial working memory and (2) whether low verbal and visuospatial working memory in Grade 1 predicts low working memory in Grade 3. METHOD: The study design includes a population-based longitudinal study of 1,802 children (66% uptake from all 2,747 Grade 1 students) at 44 randomly selected primary schools in Melbourne, Australia. Backwards Digit Recall (verbal working memory) and Mister X (visuospatial working memory) screening measures from the Automated Working Memory Assessment (M = 100; SD = 15) were used to assess Grades 1 and 3 (ages 6-7 and 8-9 years) students. Low working memory was defined as >=1 standard deviation below the standard score mean. Descriptive statistics addressed Aim 1, and predictive parameters addressed Aim 2. RESULTS: One thousand seventy (59%) of 1802 Grade 1 participants were reassessed in Grade 3. As expected for typically developing children, group mean standard scores were similar in Grades 1 and 3 for verbal, visuospatial, and overall working memory, but group mean raw scores increased markedly. Compared to "not low" children, those classified as having low working memory in Grade 1 showed much larger increases in both standard and raw scores across verbal, visuospatial, and overall working memory. Sensitivity was very low for Grade 1 low working memory predicting Grade 3 low classifications. CONCLUSION: Although mean changes in working memory standard scores between Grades 1 and 3 were minimal, we found that individual development varied widely, with marked natural resolution by Grade 3 in children who initially had low working memory. This may render brain-training interventions ineffective in the early school year ages, particularly if (as population-based programmes usually mandate) selection occurs within a screening paradigm. PMID- 29226356 TI - Definition of aggressive periodontitis in periodontal research. A systematic review. AB - : Since its introduction in 1999, the term aggressive periodontitis (AgP) has been the topic of many investigations. Articles supporting the International Workshop for a Classification of Periodontal Diseases list several disease features, but do not offer operational criteria for identifying cases. Consequently, considerable variation in the understanding of AgP can be anticipated. AIM: To systematically assess the definitions of AgP reported in original periodontal research. METHODS: A systematic review of original research on AgP published in English. RESULTS: The electronic search yielded 833 abstracts. Of these, 472 publications fulfilled the inclusion criteria and were appraised. In 26.5% of the publications, no information on AgP operationalization is presented, but reference is made to another article. In 12.7% of the publications, no information is provided as to how the cases were defined. Many combinations of criteria for case definition were found. CONCLUSIONS: This study revealed significant heterogeneity in the understanding and use of the term AgP in original research and poor documentation of the identification of cases. The direction and magnitude of the influence of misclassification and selection bias are unknown, but ought to be considered by the critical reader, professionals and patients using this term. PMID- 29226358 TI - Mechanical Evaluation of Tracheal Grafts on Different Scales. AB - Tissue engineered (or bioengineered) tracheas are alternative options under investigation when the resection with end-to-end anastomosis cannot be performed. One approach to develop bioengineered tracheas is a complex process that involves the use of decellularized tissue scaffolds, followed by recellularization in custom-made tracheal bioreactors. Tracheas withstand pressure variations and their biomechanics are of great importance so that they do not collapse during respiration, although there has been no preferred method of mechanical assay of tracheas among several laboratories over the years. These methods have been performed in segments or whole tracheas and in different species of mammals. This article aims to present some methods used by different research laboratories to evaluate the mechanics of tracheal grafts and presents the importance of the tracheal biomechanics in both macro and micro scales. If bioengineered tracheas become a reality in hospitals in the next few years, the standardization of biomechanical parameters will be necessary for greater consistency of results before transplantations. PMID- 29226360 TI - Panel Report, IPA Congress Buenos Aires 2017: How do we understand intimacy from an intrapsychic model: Where is the unconscious in the concept of intimacy? PMID- 29226361 TI - Contributors and Reviewers for 2017. PMID- 29226357 TI - Atrial deformation correlated with functional capacity in mitral stenosis patients. AB - BACKGROUND: Left atrial (LA) dysfunction, expressed as impaired LA deformation using two-dimensional (2D) strain imaging, has been observed in association with rheumatic mitral stenosis (MS). However, the clinical role of speckle tracking echocardiography (STE)-derived LA strain has rarely been studied in MS. AIM: This study aimed to identify the determinants of New York Heart Association (NYHA) functional class in patients with mitral stenosis and to investigate the relationship between left atrial deformation as measured by two-dimensional STE derived LA strain and heart failure symptoms. METHODS: Sixty-nine consecutive patients (20 males and 49 females; mean age: 61 +/- 14 years) with rheumatic MS were evaluated using comprehensive 2D and color Doppler echocardiography including STE-derived LA strain (LAS) and peak positive filling strain rate (LASRr) during the LA reservoir phase. Those results were then correlated with NYHA functional class. RESULTS: There were 15 (22%) patients in functional class I, 42 (61%) in functional class II, and 12 (17%) in functional class III. There were no significant differences in mitral valve area, pressure gradient, pulmonary artery pressure, LA emptying fraction, or left ventricular ejection fraction between functional classes. Upon multivariate analysis (controlling for diuretics usage), LAS (beta = -0.233, P = .045) and LASRr (beta = -0.277, P = .014) were independent factors in determining NYHA functional class. CONCLUSIONS: In stable patients with MS, NYHA functional class independently correlated with LAS and LASRr. Left atrial (LA) deformation correlated with heart failure symptoms in patients with MS. PMID- 29226362 TI - Panel Report, IPA Congress Buenos Aires 2017: Intimacy, primitive communication, the psychoanalytic communication. PMID- 29226363 TI - Panel Report, IPA Congress Buenos Aires 2017: Listening for echoes of the child in adult psychoanalysis. PMID- 29226364 TI - Ways of working: A synopsis of contributions to psychoanalytic technique. PMID- 29226365 TI - Panel Report, IPA Congress Buenos Aires 2017: Finding unconscious fantasy in the intimacy of the analytic encounter. PMID- 29226367 TI - Panel Report, IPA Congress Buenos Aires 2017: Intimacy, chronic depression and trauma. PMID- 29226368 TI - Applicability of the fish embryo acute toxicity (FET) test (OECD 236) in the regulatory context of Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH). AB - In 2013 the Organisation for Economic Co-operation and Development (OECD) test guideline (236) for fish embryo acute toxicity (FET) was adopted. It determines the acute toxicity of chemicals to embryonic fish. Previous studies show a good correlation of FET with the standard acute fish toxicity (AFT) test; however, the potential of the FET test to predict AFT, which is required by the Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) regulation (EC 1907/2006) and the Classification, Labelling and Packaging (CLP) Regulation (EC 1272/2008), has not yet been fully clarified. In 2015 the European Chemicals Agency (ECHA) requested that a consultant perform a scientific analysis of the applicability of FET to predict AFT. The purpose was to compare the toxicity of substances to fish embryos and to adult fish, and to investigate whether certain factors (e.g., physicochemical properties, modes of action, or chemical structures) could be used to define the applicability boundaries of the FET test. Given the limited data availability, the analysis focused on organic substances. The present critical review summarizes the main findings and discusses regulatory application of the FET test under REACH. Given some limitations (e.g., neurotoxic mode of action) and/or remaining uncertainties (e.g., deviation of some narcotic substances), it has been found that the FET test alone is currently not sufficient to meet the essential information on AFT as required by the REACH regulation. However, the test may be used within weight-of-evidence approaches together with other independent, relevant, and reliable sources of information. The present review also discusses further research needs that may overcome the remaining uncertainties and help to increase acceptance of FET as a replacement for AFT in the future. For example, an increase in the availability of data generated according to OECD test guideline 236 may provide evidence of a higher predictive power of the test. Environ Toxicol Chem 2018;37:657-670. (c) 2017 SETAC. PMID- 29226369 TI - Safety of biologics in psoriasis. AB - The advent of biologics brought a paradigm shift in ways to treat psoriatic patients because they have dramatic efficacy. At the same time, safety concerns about biologics have been raised. In this paper, we focus on the safety profile of biologics for psoriasis. As of 2017, six biologics are available in Japan. Two tumor necrosis factor-alpha inhibitors; infliximab and adalimumab, one anti interleukin (IL)-12/23p40 antibody; ustekinumab, and IL-17 inhibitors; secukinumab, ixekizumab and brodalumab. Secukinumab and ixekizumab are anti-IL 17A antibodies. Brodalumab is an anti-IL17RA antibody. In this review, we pick up topics which have drawn attention regarding the safety of biologics and discuss them with recent published work. PMID- 29226370 TI - Anti-infliximab antibody concentrations can guide treatment intensification in patients with Crohn's disease who lose clinical response. AB - BACKGROUND: The presence of antibodies towards infliximab (ATI) is associated with lower infliximab (IFX) trough concentrations and loss of response. IFX treatment intensification is effective for restoring response in most, but not all patients with Crohn's disease (CD). AIM: To compare outcome, pharmacokinetics and immunogenicity of treatment intensification strategies in patients with CD who lost clinical response to IFX. METHODS: A retrospective cohort study was conducted, including 103 patients with CD who lost clinical response during IFX maintenance therapy and therefore received a double dose IFX (10 mg/kg) and/or a next infusion after a shortened interval. IFX and ATI concentrations were measured in consecutive trough samples, just before (T0) and after (T+1) treatment intensification. RESULTS: Clinical response (physicians' global assessment) and biological response and remission (CRP) were restored in 63%, 42% and 24% of patients (evaluated at T+1). Treatment intensification increased IFX trough concentrations from 1.2 MUg/mL [0.3-3.6] at T0 to 3.6 MUg/mL [0.5-10.2] at T+1 (P < .0001). Using a drug tolerant assay, ATI were detected in the T0 sample of 47% of patients. ATI negatively impacted the achieved IFX trough concentration (Spearman r -0.57, P < .0001) and the probability of clinical response (P = 0.034) at T+1. When ATI were quantifiable but <282 ng/mL eq. at T0, combined interval shortening and dose doubling was more effective for restoring therapeutic IFX trough concentrations (>=3 MUg/mL at T+1) than dose doubling alone, which in turn was more effective than interval shortening alone (P < .001). CONCLUSION: Antibodies towards infliximab can guide clinical decision making on treatment intensification. PMID- 29226371 TI - The epidemiology of transfusion: where blood goes and why we should care about it. PMID- 29226373 TI - Just chill-it's worth it! PMID- 29226372 TI - Hypertriglyceridemia in pregnancy. PMID- 29226375 TI - Da Luz LT, Marchand M, Nascimento B, Tien H, Nathens A, Shah P, Efficacy and safety of the drugs used to reverse the direct oral anticoagulants: a systematic review and meta-analyses. TRANSFUSION 2017;57:1834-46. PMID- 29226374 TI - The perils of storing thawed cryoprecipitate in the refrigerator. PMID- 29226377 TI - Two- and three-dimensional transthoracic echocardiographic assessment of superior vena cava, crista terminalis, and right atrial appendage using the right parasternal approach. AB - BACKGROUND: The noninvasive assessment of superior vena cava (SVC), crista terminalis (CT), and the right atrial appendage (RAA) has clinical implications in determining the right atrium (RA) pressure in adult patients in whom the inferior vena cava cannot be imaged, in planning electrophysiological procedures and for evaluation of thrombi in RA/RAA. It is difficult to image these structures using standard two-dimensional transthoracic echocardiography (2DTTE), but the right parasternal approach has shown promise in the very few studies published so far. AIM: The aim of this study was to show the feasibility of this approach and its usefulness in qualitative and quantitative assessments of these structures by both 2D and three (3D) TTE in patients with and without known cardiac pathologies. MATERIAL AND METHODS: The study consisted of 38 adult patients, 17 of whom had cardiac pathologies (Group 1) while the remainder (Group 2) had no evidence of heart disease clinically or by echocardiography. RESULTS AND CONCLUSION: Both SVC and RAA could be imaged by 2DTTE and 3DTTE in 53% of 40 patients (two separate groups of 20 consecutive patients) studied demonstrating the technical feasibility of this approach. SVC size and collapsibility, CT and RAA size, and RAA fractional shortening were evaluated in both groups by both 2D and 3DTTE. 3DTTE provided incremental value over 2DTTE by its ability to view en face the SVC in short axis and the base of RAA and RAA volumes resulting in more comprehensive assessment of their size and function. PMID- 29226378 TI - Origin and transformation of the in-flight wing-coupling structure in Psocodea (Insecta: Paraneoptera). AB - Many four-winged insects have mechanisms that unite the forewings and hindwings in a single plane. Such an in-flight wing coupling apparatus may improve flight performance in four-winged insects, but its structure is variable among different insect groups. The wings of bark lice (Insecta: Psocodea: "Psocoptera") also have an in-flight wing coupling apparatus, but to date, its morphology has not been studied in detail. In this study, we examined the wing-coupling structure in representative species of the three suborders of bark lice (Trogiomorpha, Troctomorpha, and Psocomorpha) and inferred its origin and transformation. We conclude that the main component of the psocodean wing coupling apparatus evolved once in the common ancestor via modification of cuticular structures at the apex of the forewing CuP vein. Morphological differences in components of the coupling structures are phylogenetically informative at the intraorder level and include an autapomorphy that characterizes Troctomorpha and a synapomorphy that supports a sister relationship between Troctomorpha and Psocomorpha. PMID- 29226379 TI - Pure erythroid leukemia. PMID- 29226380 TI - Acute severe mitral regurgitation after blunt chest trauma. AB - Myocardial contusion and aortic injury are well-known cardiac complications of blunt chest trauma, but valvular injury is rare. Traumatic valve injuries most commonly involve the aortic valve, with isolated mitral valve injury being quite rare. We report a case of acute severe mitral regurgitation due to ruptured chordae tendineae requiring surgical repair following a motor vehicle accident. PMID- 29226382 TI - Substantial injuries influence ranking position in young elite athletes of athletics, cross-country skiing and orienteering. AB - The relationship between injury and performance in young athletes is scarcely studied. The aim of this study was therefore to explore the association between injury prevalence and ranking position among adolescent elite athletes. One hundred and sixty-two male and female adolescent elite athletes (age range 15 19), competing in athletics (n = 59), cross-country skiing (n = 66), and orienteering (n = 37), were monitored weekly over 22-47 weeks using a web-based injury questionnaire. Ranking lists were collected. A significant (P = .003) difference was found in the seasonal substantial injury prevalence across the ranked athletes over the season, where the top-ranked (median 3.6%, 25-75th percentiles 0%-14.3%) and middle-ranked athletes (median 2.3%, 25-75th percentiles 0%-10.0%) had a lower substantial injury prevalence compared to the low-ranked athletes (median 11.3%, 25-75th percentiles 2.5%-27.1%), during both preseason (P = .002) and competitive season (P = .031). Athletes who improved their ranking position (51%, n = 51) reported a lower substantial injury prevalence (median 0%, 25-75th percentiles 0%-10.0%) compared to those who decreased (49%, n = 49) their ranking position (md 6.7%, 25-75th percentiles 0% 22.5%). In the top-ranked group, no athlete reported substantial injury more than 40% of all data collection time points compared to 9.6% (n = 5) in the middle ranked, and 17.3% (n = 9) in the low-ranked group. Our results provide supporting evidence that substantial injuries, such as acute and overuse injuries leading to moderate or severe reductions in training or sports performance, influence ranking position in adolescent elite athletes. The findings are crucial to stakeholders involved in adolescent elite sports and support the value of designing effective preventive interventions for substantial injuries. PMID- 29226381 TI - A robust and powerful two-step testing procedure for local ancestry adjusted allelic association analysis in admixed populations. AB - Genetic association studies in admixed populations allow us to gain deeper understanding of the genetic architecture of human diseases and traits. However, population stratification, complicated linkage disequilibrium (LD) patterns, and the complex interplay of allelic and ancestry effects on phenotypic traits pose challenges in such analyses. These issues may lead to detecting spurious associations and/or result in reduced statistical power. Fortunately, if handled appropriately, these same challenges provide unique opportunities for gene mapping. To address these challenges and to take these opportunities, we propose a robust and powerful two-step testing procedure Local Ancestry Adjusted Allelic (LAAA) association. In the first step, LAAA robustly captures associations due to allelic effect, ancestry effect, and interaction effect, allowing detection of effect heterogeneity across ancestral populations. In the second step, LAAA identifies the source of association, namely allelic, ancestry, or the combination. By jointly modeling allele, local ancestry, and ancestry-specific allelic effects, LAAA is highly powerful in capturing the presence of interaction between ancestry and allele effect. We evaluated the validity and statistical power of LAAA through simulations over a broad spectrum of scenarios. We further illustrated its usefulness by application to the Candidate Gene Association Resource (CARe) African American participants for association with hemoglobin levels. We were able to replicate independent groups' previously identified loci that would have been missed in CARe without joint testing. Moreover, the loci, for which LAAA detected potential effect heterogeneity, were replicated among African Americans from the Women's Health Initiative study. LAAA is freely available at https://yunliweb.its.unc.edu/LAAA. PMID- 29226383 TI - Bifidobacteria alleviate experimentally induced colitis by upregulating indoleamine 2, 3-dioxygenase expression. AB - The goal of this study was explore the role of indoleamine 2, 3-dioxygenase (IDO) in the therapeutic effect of probiotics on inflammatory bowel disease (IBD). Trinitrobenzene sulfonic acid (TNBS) was used to induce colitis in mice and 1 methyltryptophan (1-MT) to block expression of IDO. Clinical manifestations and macroscopic and microscopic colonic changes were assessed using a disease activity index (DAI), the Wallace-Keenan, and Curtner scoring systems, respectively. Expression of colonic IDO was detected by western blot. Immunohistochemistry analysis to evaluate numbers of CD11c+ cells and expression of IL-17 and Foxp3 showed that DAI, Wallace-Keenan, and Curtner scores were lower in the Bifidobacteria treatment group than the control group and that the therapeutic effect of Bifidobacteria was blocked by 1-MT (P < 0.05). Additionally, Bifidobacteria were found to increase expression of IDO and the numbers of CD11c+ cells, CD11c+ and IDO double positive cells and Foxp3+ Treg cells, while decreasing the number of IL-17+ cells (P < 0.05). The generation of Foxp3+ Treg cells induced by Bifidobacteria was abrogated by 1-MT (P < 0.05). These findings study suggest that Bifidobacteria attenuate TNBS-induced colitis by inducing expression of IDO, which further increases generation of Foxp3+ Treg cells. PMID- 29226384 TI - The impact of volume overload on right heart function in end-stage renal disease patients on hemodialysis. AB - PURPOSE: The aim of this study was to evaluate the impact of volume overload on echocardiographic parameters used for the assessment of the right ventricle (RV) and right atrium (RA), to determine volume-independent parameters and to noninvasively investigate the physio-mechanics of RV and RA by examining end stage kidney patients before and after hemodialysis (HD). METHODS: The echocardiographic images were obtained from 67 patients (49.2 +/- 17.3 years, 23 f) before and after HD. Changes in echocardiographic parameters with HD were examined. The average ultrafiltrated volume was 3088.1 +/- 1103.7 mL. RESULTS: The size of RV and RA and tricuspid annular plane systolic excursion (TAPSE) decreased after HD, whereas myocardial performance index increased. RV fractional area change and iso-volumetric contraction acceleration time remained unchanged. RV global longitudinal strain (GLS) and RV early diastolic strain rate (SR) decreased after HD. Systolic and late diastolic SR of the RV showed no statistically significant difference after HD. Longitudinal strain and SR of RA contraction were not significantly different after HD. The changes in RV GLS (r = .641, P = .027), RV free wall longitudinal strain (r = .643, P < .001), RA reservoir phase strain (r = .60, P = .008), and TAPSE (r = .642, P = .001) significantly correlated with ultrafiltrated volume. CONCLUSION: Two-dimensional speckle tracking echocardiography is an easy and noninvasive tool that could provide additional volume-independent echocardiographic parameters and more information on RA physio-mechanics. This might lead to a better evaluation of the cardiac pathophysiology and hemodynamics of patients. Moreover, providing novel volume-independent parameters for the evaluation of right heart chambers would improve the clinical perspectives of patients. PMID- 29226386 TI - Theranostic 2D Tantalum Carbide (MXene). AB - The large-dimensional and rigid ceramic bulks fabricated by high-temperature solid-phase reaction and sintering have never been considered for possibly entering and circulating within the blood vessels for biomedical applications, especially on combating cancer. Here, it is reported for the first time that MAX ceramic biomaterials exhibit unique functionalities for dual-mode photoacoustic/computed tomography imaging and are highly effective for in vivo photothermal ablation of tumors upon being exfoliated into ultrathin nanosheets within atomic thickness (MXene). As a paradigm, 2D ultrathin tantalum carbide nanosheets (Ta4 C3 MXenes) with nanosized lateral sizes are successfully synthesized based on a two-step liquid exfoliation strategy of MAX phase Ta4 AlC3 by combined hydrofluoric acid (HF) etching and probe sonication. The structural, electronic, and surface characteristics of the as-exfoliated nanosheets are revealed by various characterizations combined with first-principles calculations via density functional theory. Especially, the superior photothermal-conversion performance (efficiency eta of 44.7%) and in vitro/in vivo photothermal ablation of tumor by biocompatible soybean phospholipid-modified Ta4 C3 nanosheets are systematically revealed and demonstrated. Based on the large family members of MXenes, this work may offer a paradigm that MXenes can achieve the specific biomedical applications (here, theranostic) providing that their compositions and nanostructures are carefully tuned and optimized to meet the strict requirements of biomedicine. PMID- 29226385 TI - Methods for meta-analysis of multiple traits using GWAS summary statistics. AB - Genome-wide association studies (GWAS) for complex diseases have focused primarily on single-trait analyses for disease status and disease-related quantitative traits. For example, GWAS on risk factors for coronary artery disease analyze genetic associations of plasma lipids such as total cholesterol, LDL-cholesterol, HDL-cholesterol, and triglycerides (TGs) separately. However, traits are often correlated and a joint analysis may yield increased statistical power for association over multiple univariate analyses. Recently several multivariate methods have been proposed that require individual-level data. Here, we develop metaUSAT (where USAT is unified score-based association test), a novel unified association test of a single genetic variant with multiple traits that uses only summary statistics from existing GWAS. Although the existing methods either perform well when most correlated traits are affected by the genetic variant in the same direction or are powerful when only a few of the correlated traits are associated, metaUSAT is designed to be robust to the association structure of correlated traits. metaUSAT does not require individual-level data and can test genetic associations of categorical and/or continuous traits. One can also use metaUSAT to analyze a single trait over multiple studies, appropriately accounting for overlapping samples, if any. metaUSAT provides an approximate asymptotic P-value for association and is computationally efficient for implementation at a genome-wide level. Simulation experiments show that metaUSAT maintains proper type-I error at low error levels. It has similar and sometimes greater power to detect association across a wide array of scenarios compared to existing methods, which are usually powerful for some specific association scenarios only. When applied to plasma lipids summary data from the METSIM and the T2D-GENES studies, metaUSAT detected genome-wide significant loci beyond the ones identified by univariate analyses. Evidence from larger studies suggest that the variants additionally detected by our test are, indeed, associated with lipid levels in humans. In summary, metaUSAT can provide novel insights into the genetic architecture of a common disease or traits. PMID- 29226387 TI - Systemic sclerosis. AB - Systemic sclerosis (SSc) is a multisystem autoimmune disease characterized by vasculopathy and tissue fibrosis of the skin and various internal organs. A series of genetic and epidemiological studies have demonstrated that SSc onset is determined by the accumulation of predisposing factors related to environmental influences, while genetic factors affect the susceptibility to and the severity of this disease. This notion has been confirmed by recent advance in animal models. The initial trigger of SSc is believed to be autoimmune attacks to endothelial cells, which occur in individuals with the genetic susceptibility to autoimmune diseases and/or the cumulative exposure to certain SSc-related environmental influences. Then, endothelial cells are aberrantly activated or damaged, leading to the development of vascular structural changes, such as destructive vasculopathy and proliferative obliterative vasculopathy, and tissue fibrosis. In parallel, inflammatory cells activate SSc fibroblasts and modify the metabolism of extracellular matrix by soluble factors and autoantibodies. Prior to or during these processes, SSc fibroblasts acquire the ability to selectively respond to profibrotic growth factors and cytokines, persistently producing excessive amount of extracellular matrix. SSc fibroblasts also modify immune responses, at least those of CD4+ T cells, in the microenvironment through the secretion of immune regulatory molecules. Thus, various types of individually activated cells interact with each other and coordinately drive an SSc-specific disease cascade, leading to the development of unique clinical symptoms. This article provides an overview of the current understanding of the pathogenesis of SSc with the recent advance in the research field of this disease. PMID- 29226388 TI - A Carbonyl Compound-Based Flexible Cathode with Superior Rate Performance and Cyclic Stability for Flexible Lithium-Ion Batteries. AB - A sulfur-linked carbonyl-based poly(2,5-dihydroxyl-1,4-benzoquinonyl sulfide) (PDHBQS) compound is synthesized and used as cathode material for lithium-ion batteries (LIBs). Flexible binder-free composite cathode with single-wall carbon nanotubes (PDHBQS-SWCNTs) is then fabricated through vacuum filtration method with SWCNTs. Electrochemical measurements show that PDHBQS-SWCNTs cathode can deliver a discharge capacity of 182 mA h g-1 (0.9 mA h cm-2 ) at a current rate of 50 mA g-1 and a potential window of 1.5 V-3.5 V. The cathode delivers a capacity of 75 mA h g-1 (0.47 mA h cm-2 ) at 5000 mA g-1 , which confirms its good rate performance at high current density. PDHBQS-SWCNTs flexible cathode retains 89% of its initial capacity at 250 mA g-1 after 500 charge-discharge cycles. Furthermore, large-area (28 cm2 ) flexible batteries based on PDHBQS SWCNTs cathode and lithium foils anode are also assembled. The flexible battery shows good electrochemical activities with continuous bending, which retains 88% of its initial discharge capacity after 2000 bending cycles. The significant capacity, high rate performance, superior cyclic performance, and good flexibility make this material a promising candidate for a future application of flexible LIBs. PMID- 29226390 TI - Decision shaping neutrophil-platelet interplay in inflammation: From physiology to intervention. AB - Inflammation is a well-coordinated process in response to tissue injury or infection aimed at restoration of tissue homoeostasis. Platelets and neutrophils are typically viewed important in the context of haemostasis and bacterial killing, respectively. However, as these cells are equipped with readily available armoury, both have received much attention for their importance in shaping the early inflammatory reaction in recent years. While some of these activities are executed individually, both cells join forces during much of their pro-inflammatory activities. This brief review summarizes recently identified mechanisms of neutrophil-platelet interaction and describes functional consequences on neutrophil trafficking and the release of neutrophil extracellular traps. Moreover, the synergy of neutrophils and platelets during the recruitment of monocytes is reviewed. Finally, this review discusses how knowledge on the intimate neutrophil-platelet partnership can be employed to design interventional strategies. PMID- 29226389 TI - Left posterior fascicular ventricular tachycardia: Ablative strategies. PMID- 29226391 TI - Experience with leflunomide as treatment and as secondary prophylaxis for cytomegalovirus infection in lung transplant recipients: A case series and review of the literature. AB - BACKGROUND: Data concerning the use of leflunomide-a drug approved for rheumatoid arthritis with in vitro anticytomegalovirus (CMV) activity-in lung transplant (LT) recipients are scarce. AIMS: To report the use of leflunomide in LT recipients diagnosed with CMV infection/disease. MATERIAL AND METHODS: We performed a single-center retrospective study including LT recipients who received leflunomide for CMV infection or as secondary prophylaxis after viremia clearance. We also conducted a full systematic PubMed search until June 30, 2017. RESULTS: We identified 5 LT recipients in our center plus 7 patients reported in the literature. All patients had previously received ganciclovir (GCV) and foscarnet (FOS), with drug-induced adverse effects described in 6 recipients (50%). Antiviral resistance mutations were observed in 8 patients (66.7%). Leflunomide was prescribed for CMV infection in 9 of 12 patients (75%) and as secondary prophylaxis in 3 patients (25%). Initial decrease of CMV viremia after starting leflunomide was observed in 7 of 9 recipients (77.7%), although this response was only transient in 2 patients. Long-term suppression of CMV viremia was reported in 7 of 12 patients (58.3%). In 3 recipients (25%), leflunomide was discontinued due to adverse effects. DISCUSSION: Our study has some limitations, such as the small number of patients included, its retrospective nature, and absence of leflunomide drug monitoring in serum. Notwithstanding, in our experience, leflunomide proved to be particularly effective as an anti-CMV secondary prophylaxis treatment and for clearing low-grade viremia. Moreover, leflunomide combined with a short course of GCV or intravitreal FOS also proved to be very effective in some patients. CONCLUSION: Leflunomide, alone or in combination, could be an effective treatment in selected LT recipients with GCV resistant CMV infection and as secondary prophylaxis. Further studies are necessary. PMID- 29226392 TI - Critical Role of Interface and Crystallinity on the Performance and Photostability of Perovskite Solar Cell on Nickel Oxide. AB - Hybrid perovskites are on a trajectory toward realizing the most efficient single junction, solution-processed photovoltaic devices. However, a critical issue is the limited understanding of the correlation between the degree of crystallinity and the emergent perovskite/hole (or electron) transport layer on device performance and photostability. Here, the controlled growth of hybrid perovskites on nickel oxide (NiO) is shown, resulting in the formation of thin films with enhanced crystallinity with characteristic peak width and splitting reminiscent of the tetragonal phase in single crystals. Photophysical and interface sensitive measurements reveal a reduced trap density at the perovskite/NiO interface in comparison with perovskites grown on poly(3,4-ethylene dioxy thiophene) polystyrene sulfonate. Photovoltaic cells exhibit a high open circuit voltage (1.12 V), indicating a near-ideal energy band alignment. Moreover, photostability of photovoltaic devices up to 10-Suns is observed, which is a direct result of the superior crystallinity of perovskite thin films on NiO. These results elucidate the critical role of the quality of the perovskite/hole transport layer interface in rendering high-performance and photostable optoelectronic devices. PMID- 29226393 TI - Analysis of ABO chimera from peripheral red cells and reticulocytes by flow cytometry and micro gel column technique in patients post-ABO-incompatible HSCT. AB - BACKGROUND: How to choose an appropriate method to monitoring dynamic ABO chimera post-ABO-incompatible HSCT is crucial to not only assess the status of erythroid engraftment but also achieve personalized safety transfusion. METHODS: We evaluated the efficacy of micro gel column technique (MGCT) and flow cytometry (FCM) by series of artificial ABO chimera mixtures from 0.5% to 50% and by investigating 15 cases of ABO-incompatible HSCT patients with longitudinally ABO blood grouping and ABO chimera from RBCs and reticulocytes. RESULTS: 5% and 2% of ABO chimera mixtures can be efficiently detected by MGCT and FCM, respectively. 6.3% of donor RBCs with 44.77% of donor reticulocytes in the early phase and 7.9% of patient RBCs with 96% of donor reticulocytes in the phase of complete donor type can be detected by FCM rather than failure by MGCT simultaneously. However, in case 8#, 8.6% of donor reticulocytes rather than 99.1% of donor RBCs on the 98th day post-HSCT could adequately predict early relapse. CONCLUSIONS: Investigation of ABO chimera from reticulocytes by FCM is a more effective strategy rather than ABO blood grouping and RBCs by FCM to indicate the true progress of erythroid alteration and achieve personalized safety transfusion post ABO-incompatible HSCT. PMID- 29226394 TI - 3D Mesoporous van der Waals Heterostructures for Trifunctional Energy Electrocatalysis. AB - The emergence of van der Waals (vdW) heterostructures of 2D materials has opened new avenues for fundamental scientific research and technological applications. However, the current concepts and strategies of material engineering lack feasibilities to comprehensively regulate the as-obtained extrinsic physicochemical characters together with intrinsic properties and activities for optimal performances. A 3D mesoporous vdW heterostructure of graphene and nitrogen-doped MoS2 via a two-step sequential chemical vapor deposition method is constructed. Such strategy is demonstrated to offer an all-round engineering of 2D materials including the morphology, edge, defect, interface, and electronic structure, thereby leading to robustly modified properties and greatly enhanced electrochemical activities. The hydrogen evolution is substantially accelerated on MoS2 , while the oxygen reduction and evolution are significantly improved on graphene. This work provides a powerful overall engineering strategy of 2D materials for electrocatalysis, which is also enlightening for other nanomaterials and energy-related applications. PMID- 29226395 TI - Letter: the neglected analgesic properties of red pepper in the clinical management of the irritable bowel syndrome pain-Authors' reply. PMID- 29226396 TI - Editorial: alfapump-an alternative to large-volume paracentesis for patients with refractory ascites? PMID- 29226397 TI - Letter: biologics treatment in Crohn's disease and risk of bowel resection-what about the patients who stop anti-TNF therapy? PMID- 29226398 TI - Editorial: recurrence of Helicobacter pylori infection-still the same after all these years.... PMID- 29226399 TI - Letter: the neglected analgesic properties of red pepper in the clinical management of the irritable bowel syndrome pain. PMID- 29226400 TI - Letter: gastric atrophy assessment-merging serology, endoscopy and histology in clinical practice. PMID- 29226401 TI - Editorial: a step forward in refining prognostication for patients with HIV associated hepatocellular carcinoma-Authors' reply. PMID- 29226402 TI - Letter: biologics treatment in Crohn's disease and risk of bowel resection-what about the patients who stop anti-TNF therapy? Authors' reply. PMID- 29226403 TI - Letter: oesophageal histological abnormalities and GERD - an underestimated relationship requiring more attention. PMID- 29226405 TI - Editorial: anti-TNF therapy and myopenia in Crohn's disease-another step towards personalised medicine. Authors' reply. PMID- 29226406 TI - Letter: thiopurines - is less really more? PMID- 29226407 TI - Editorial: recurrence of Helicobacter pylori infection-still the same after all these years... Authors' reply. PMID- 29226408 TI - Editorial: long-term effectiveness of elimination diet therapy for eosinophilic oesophagitis-is the glass half full or half empty? PMID- 29226409 TI - Editorial: thiopurine-induced myelosuppression and infections in inflammatory bowel disease patients with a normal TPMT genotype-the perils of ageing. PMID- 29226410 TI - Editorial: alfapump-an alternative to large-volume paracentesis for patients with refractory ascites? Authors' reply. PMID- 29226411 TI - Editorial: Non-breaking news! High-dose PPIs likely do not cause fractures. PMID- 29226412 TI - Editorial: anti-TNF therapy and myopenia in Crohn's disease-another step towards personalised medicine. PMID- 29226413 TI - Corrigendum. PMID- 29226414 TI - Editorial: a step forward in refining prognostication for patients with HIV associated hepatocellular carcinoma. PMID- 29226415 TI - Letter: thiopurines - is less really more? Authors' reply. PMID- 29226416 TI - Editorial: patient assessment of constipation-symptoms (PAC-SYM) questionnaire has a minimal important difference. PMID- 29226418 TI - Corrigendum. PMID- 29226417 TI - Editorial: avoiding corticosteroids in the treatment of inflammatory bowel disease-Author's reply. PMID- 29226419 TI - Alimentary Pharmacology and Therapeutics in 2018 - big changes but much the same. PMID- 29226420 TI - Editorial: thiopurine-induced myelosuppression and infections in inflammatory bowel disease patients with a normal TPMT genotype-the perils of ageing. Authors' reply. PMID- 29226421 TI - Editorial: avoiding corticosteroids in the treatment of inflammatory bowel disease. PMID- 29226422 TI - Pathogenesis of psoriasis and development of treatment. AB - The pathogenesis of psoriasis can be explained by dysregulation of immunological cell function as well as keratinocyte proliferation/differentiation. Recently, the immunological pathomechanism has been clarified substantially. Whereas T helper (Th)1 overactivation was thought to induce occurrence of psoriasis, it has been demonstrated that Th17 cells play a key role. Th17 development is maintained by interleukin (IL)-23 mainly produced by dendritic cells. Th17 cells produce various cytokines, including IL-17A, IL-17F and IL-22. IL-17A and IL-22 induce not only keratinocyte proliferation, but also tumor necrosis factor (TNF)-alpha, chemokine (C-X-C motif) ligand (CXCL)1 and CXCL8 production. TNF-alpha accelerates the infiltration of inflammatory cells, including lymphocytes, monocytes and neutrophils, from the peripheral blood into skin with dendritic cell activation. In addition, antimicrobial peptides are overexpressed in psoriatic skin lesions, and the antimicrobial peptide, LL-37, activates dendritic cells, which leads to the development of inflammation. Furthermore, activation of nuclear factor-kappaB signal induces the expression of keratins 6 and 16 in keratinocytes, which are associated with acanthosis and reduced turnover time in the epidermis. The progression of the pathomechanism contributes to the development of new therapies for psoriasis. PMID- 29226423 TI - Patellar tendinopathy with intratendinous alteration on MRI may be related to patellofemoral dysplasia. AB - Patellar tendinopathy (PT) is a frequent overuse injury of the extensor knee apparatus, whereas as up to 30% of the athletes might suffer from persisting symptoms during their entire career. In the present case-control study, 47 patients (30.8 +/- 11.4 years) with PT with intratendinous alteration (PTita) of a minimum of >=25% of the axial surface on MRI and minimum Blazina score of II (pain during without limiting sports activity) were included; MR images were analyzed for trochlear geometry, patellar height/tilt, and tibial tubercle trochlear groove distance (TT-TG). The control group (CG) comprised 87 age- and gender-matched patients without history of anterior knee pain or lateral patellar instability. It was hypothesized that patients with PT might be related to patellofemoral dysplasia. It was found that the patella was significantly higher in patients with PT compared to the CG (patellotrochlear index [PT-I]: 0.33 vs 0.37, P = .014; Insall-Salvati index [InSa]: 1.18 vs 1.07, P = .004). PT-I was above the cut-off value in 10.6% of PT knees (CG 5.7%, P = .27), and InSa in 42.6% (CG 21.8%, P = .012). TT-TG was significantly higher in patients with PT compared to CG (12.0 mm vs 9.9 mm, P = .002); however, TT-TG was only pathologic (>20 mm) in one patient. The trochlear facet ratio was above the cut-off value in 55.3% of PT patients and 23% of CG (P < .001), and was significantly greater in patients with PT (0.39 +/- 0.09) than CG (0.48 +/- 0.1, P < .001). Knees with PT have significantly more morphological characteristics of patellofemoral instability, which needs to be considered especially in recurrent or treatment refractive cases. PMID- 29226424 TI - Activation of EP2 receptor suppresses poly(I: C) and LPS-mediated inflammation in primary microglia and organotypic hippocampal slice cultures: Contributing role for MAPKs. AB - Brain inflammation is a critical factor involved in neurodegeneration. Recently, the prostaglandin E2 (PGE2 ) downstream members were suggested to modulate neuroinflammatory responses accompanying neurodegenerative diseases. In this study, we investigated the protective effects of prostaglandin E2 receptor 2 (EP2 ) during TLR3 and TLR4-driven inflammatory response using in vitro primary microglia and ex vivo organotypic hippocampal slice cultures (OHSCs). Depletion of microglia from OHSCs differentially affected TLR3 and TLR4 receptor expression. Poly(I:C) induced the production of prostaglandin E2 in OHSCs by increasing cyclooxygenase (COX-2) and microsomal prostaglandin E synthase (mPGES) 1. Besides, stimulation of OHSCs and microglia with Poly(I:C) upregulated EP2 receptor expression. Co-stimulation of OHSCs and microglia with the EP2 agonist butaprost reduced inflammatory mediators induced by LPS and Poly(I:C). In Poly(I:C) challenged OHSCs, butaprost almost restored microglia ramified morphology and reduced Iba1 immunoreactivity. Importantly, microglia depletion prevented the induction of inflammatory mediators following Poly(I:C) or LPS challenge in OHSCs. Activation of EP2 receptor reversed the Poly(I:C)/LPS-induced phosphorylation of the mitogen activated protein kinases (MAPKs) ERK, p38 MAPK and c-Jun N-terminal kinase (JNK) in microglia. Collectively, these data identify an anti-inflammatory function for EP2 signaling in diverse innate immune responses, through a mechanism that involves the mitogen-activated protein kinases pathway. PMID- 29226425 TI - Intraventricular melanocytoma diagnosis confirmed by gene mutation profile. AB - Primary leptomeningeal melanocytic tumors (PLMTs) are rare. They usually arise along the spinal cord and at the skull base. Here we report on a patient with a very rare intraventricular melanocytoma. Histologically, a melanocytic tumor was clearly diagnosed. However, to make the uncommon diagnosis of an intraventricular melanocytoma, metastatic melanoma needed to be excluded. Next generation sequencing covering gene mutations that may occur in PLMTs and cutaneous melanoma was performed. The unique gene mutation profile detected, consisting of an activating CYSLTR2 L129Q mutation and EIF1AX G9R mutation and a lack of mutations in genes known to occur in metastatic melanoma (i.e. BRAF or NRAS) confirmed the diagnosis of an intraventricular melanocytoma. This case report is the second intraventricular melanocytoma published to date and demonstrates the value of applying novel genetic assays to make this diagnosis. PMID- 29226426 TI - Significance of thrombocytopenia in patients with primary and postessential thrombocythemia/polycythemia vera myelofibrosis. AB - Severe thrombocytopenia (platelets <50 * 109 /L) is associated with very poor outcome of patients with myelofibrosis (MF). As patients with primary myelofibrosis (PMF) differ from patients with postessential thrombocythemia (PET MF) and postpolycythemia vera myelofibrosis (PPV-MF), we aimed to evaluate the significance of low platelets among these patients. We present clinical characteristics and outcome of patients with either PMF, PPV-MF, or PET-MF, and thrombocytopenia who presented to our institution between 1984 and 2015. Of 1269 patients (877 PMF, 212 PPV-MF, 180 PET-MF), 11% and 14% had platelets either <50 * 109 /L or between 50-100 * 109 /L, respectively. Patients with platelets <50 * 109 /L were most anemic and transfusion dependent, had highest blast count and unfavorable karyotype. In general, their overall and leukemia-free survival was the shortest with median time of 15 and 13 months, respectively; with incidence of acute leukemia almost twice as high as in the remaining patients (6.9 vs 3.6 cases per 100 person-years). Nevertheless, this observation remains mostly significant for patients with PMF, as those with PEV/PVT-MF have already significantly inferior prognosis with platelets <100 * 109 /L. PMID- 29226427 TI - Case Report: Treatment of light-chain amyloidosis with daratumumab monotherapy in two patients. AB - Immunoglobulin light-chain amyloidosis (AL) affects multiple organs, most prominently the kidney and the heart. Renal and cardiac impairment are both associated with poor prognosis and most patients die as a consequence of renal or cardiac failure. Monoclonal antibodies such as daratumumab (human IgG1 anti-CD38) and elotuzumab (anti-SLAMF7) have shown promising efficacy for the treatment of relapsed and refractory multiple myeloma. In this case report we show 2 patients with severe AL, one with severe heart failure and one with heart and renal failure, undergoing treatment with daratumumab. Both patients showed a rapid decrease in FLC in response to daratumumab infusions, with few associated adverse events. Using therapeutic CD38 antibodies as a front-line treatment for AL could induce rapid responses while maintaining a tolerable safety profile in these ultra-fragile patients. PMID- 29226428 TI - Predictive value of 18 F-FDG PET/CT scanning in combination with clinical parameters in patients with newly diagnosed multiple myeloma. AB - OBJECTIVE: To evaluate the association of 18 F-2'-deoxy 2'-fluorodeoxyglucose (18 F-FDG) PET/CT with clinical parameters in predicting patients with newly diagnosed multiple myeloma (MM). METHODS: A total of 120 MM patients undergoing 18 F-FDG PET/CT scanning were analyzed in a retrospective cohort study. RESULTS: Based on multivariate analysis, beta2M, LDH, number of focal lesions (FLs), and SUVmax were significantly correlated with OS. These 4 variables were used to construct a new staging system (NSS) based on the number of risk factors. NSS provided a better discrimination of risk between stages III and II than International staging system (ISS) (P < .001 vs P = .086). For OS, there was no significant difference among risk groups in Durie-Salmon (DS) stage (P > .05). Based on Spearman correlation analysis, the presence of lesions in appendicular skeleton, number of FLs, and SUVmax appeared to indicate advanced stage of MM. ROC curves which showed the combination of beta2M with calcium got a specificity of 96.3% for lesions in appendicular skeleton, and LDH alone had 100% specificity in predicting the number of FLs, although the sensitivity was only 50%. CONCLUSIONS: 18 F-FDG PET/CT in combination with clinical parameters provided an accurate and simple method for risk stratification of patients with newly diagnosed MM. PMID- 29226429 TI - Morphological variations of the human ejaculatory ducts in relation to the prostatic urethra. AB - Loss of ejaculation can follow transurethral resection of the prostate (TURP). Periverumontanal prostate tissue is preserved in ejaculation-preserving TURP (ep TURP). Knowledge of ejaculatory duct anatomy in relation to the prostatic urethra can help in ep-TURP. This was evaluated in cross-sections of the prostate using a 3 D model to determine a safe zone for resecting the prostate in ep-TURP. A 3 D reconstruction of the ejaculatory ducts was developed on the basis of six prostate gland cross-sections. The measurements obtained from the 3 D model were standardized according to the maximum width of the prostate. Simple linear regressions were used to predict the relationships of the ejaculatory ducts. The maximum widths of the prostates ranged from 22.60 to 52.10 mm. The ejaculatory ducts entered the prostate with a concavity directed posterolaterally. They then proceeded toward the seminal colliculus in a fairly straight course, and from that point they angulated anteromedially. As they opened into the prostatic urethra they diverged. Significant regression models predicted the relationships of the ejaculatory ducts to the prostatic urethra based on the sizes of the prostates. The 3 D anatomy of ejaculatory ducts can be predicted on the basis of prostate width. The ejaculatory ducts can be preserved with 95% accuracy if a block of tissue 7.5 mm from the midline on either side of the seminal colliculus is preserved, up to 10 mm proximal to the level of the seminal colliculus, during TURP. Clin. Anat. 31:456-461, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226430 TI - 3DTEE imaging of a descending aorta floating thrombus in a patient with calciphylaxis. AB - We present a case of a 68-year-old man with calciphylaxis, who was found to have a floating thrombus in the descending aorta on a transesophageal echocardiogram. The use of 3D echocardiography demonstrated nicely the free motion of the thrombus, emerging from an atherosclerotic plaque in the descending aorta. Anticoagulation was started for thromboembolism prevention. PMID- 29226431 TI - The effect of dialysis type on left atrial functions in patients with end-stage renal failure: A propensity score-matched analysis. AB - INTRODUCTION: Despite the widespread use of both hemodialysis (HD) and peritoneal dialysis (PD), there is no study comparing the effects of these dialysis methods on the left atrial (LA) volume and functions. In this study, we investigated the impact of different dialysis methods on the LA volume and function in the patients exposed to chronic pressure overload and volume overload. METHOD: This study was carried out on the patients who received dialysis treatment at our healthcare center between March, 2015 and January, 2016. Twenty-eight patients receiving hemodialysis (HD) treatment and 24 patients under PD treatment were enrolled into the study. Patients were divided into 2 groups according to the dialysis therapy, and the atrial volumetric and mechanical functions were investigated. RESULTS: As the basal demographical characteristics of patients in the PD and HD groups were significantly different, 44 patients matched on a 1:1 basis were taken for final analysis (22 HD, 22 PD, and the average age of 42.4 +/ 4.8; 73% was male). After propensity score matching analysis, it was determined that left atrial volume index (LAVi) was higher in the HD group while peak LA strain and LA contraction strain were higher in the PD group. Additionally, both strain parameters showed a good negative correlation with LAVi. CONCLUSION: We demonstrated that the left atrial structure and functions were better in the PD group suggesting that PD may be a relatively better option for the preservation and maintenance of the left atrial functions as compared to HD. PMID- 29226432 TI - Multi-Functional Peptide-MicroRNA Nanocomplex for Targeted MicroRNA Delivery and Function Imaging. AB - Targeted delivery of microRNA (miRNA) mimics into specific cells/tissues and real time monitoring on the biological function of delivered miRNA mimics at molecular level represent two major challenges in the development of miRNA-based therapeutics. Here we report a highly efficient method to address these two challenges simultaneously by using the self-assembled nanocomplex formed by miRNA mimics with a multi-functional peptide conjugate. Using the nanocomplex formed by tumor-suppressive miR-34a and the multi-functional peptide conjugate FA-R9-FPcas3 , we demonstrated the highly efficient and target-selective delivery of miR-34a into HeLa cells and tumors. With the activatable fluorescence probe integrated in the peptide conjugate FA-R9-FPcas3 , the intracellular function of miR-34a delivered by the nanocomplex to upregulate active Caspase-3 was imaged in real time. The nanocomplex also showed significant therapeutic effects to induce apoptosis in HeLa cells and to suppress tumor growth upon tail vein injection into living mice bearing subcutaneous HeLa tumors. PMID- 29226433 TI - Interlocked Photo-degradable Macrocycles Allow One-Off Photo-triggerable Gelation of Organo- and Hydrogelators. AB - [2]Rotaxanes displaying one-off photo-triggerable gelation properties have been synthesized through the "clipping" of photo-degradable macrocycles around the amide or urea functionalities of organo- and hydrogelators. Irradiation with UV light cleaved the photo-labile macrocyclic components from the [2]rotaxanes, resulting in the free gelators being released into solution and, thereafter, forming gels. When the rate of gelation was sufficiently rapid, selective gelation of specific regions of the solution-and, indeed, photo-patterning of the solution-was possible. PMID- 29226434 TI - Protein identification in imaging mass spectrometry through spatially targeted liquid micro-extractions. AB - RATIONALE: Liquid extraction surface analysis (LESA) can be used to generate spatially directed protein identifications in an imaging mass spectrometry (IMS) workflow. This approach involves the use of robotic micro-extractions coupled to online liquid chromatography (LC). We have characterized the extraction efficiency of this method as well as its ability to identify proteins from a matrix assisted laser/desorption ionization (MALDI) IMS experiment. METHODS: Proteins and peptides were extracted from transverse sections of a rat brain and sagittal sections of a mouse pup using liquid surface extractions. Extracts were either analyzed by online LC coupled to a high mass resolution Fourier transform ion cyclotron resonance (FTICR) mass spectrometer or collected offline and analyzed by traditional LC/MS methods. Identifications were made using both top down and bottom-up methodologies. MALDI images were acquired on a 15T FTICR mass spectrometer at 125 MUm spatial resolution. RESULTS: Robotic liquid surface extractions are reproducible across various tissue types, providing significantly improved spatial resolution, with respect to extractions, while still allowing for a robust number of protein identifications. A single 2-MUL extract can provide identification of over 14,000 peptides with little sample preparation, increasing throughput for spatially targeted workflows. Surface extractions from tissue were coupled directly to LC to gather spatially relevant proteomics data. CONCLUSIONS: Robotic liquid surface extractions can be used to interrogate discrete regions of tissue to provide protein identifications with high throughput, accuracy, and robustness. The direct coupling of tissue surface extractions and LC offers a new and effective approach to provide spatial proteomics data in an imaging experiment. PMID- 29226435 TI - High-Capacity and High-Rate Discharging of a Coenzyme Q10 -Catalyzed Li-O2 Battery. AB - Discharging of the aprotic Li-O2 battery relies on O2 reduction to insulating solid Li2 O2 , which can either deposit as thin films on the cathode surface or precipitate as large particles in the electrolyte solution. Toward realizing Li O2 batteries with high capacity and high rate capability, it is crucially important to discharge Li2 O2 in the electrolyte solution rather than on the cathode surface. Here, a soluble electrocatalyst of coenzyme Q10 (CoQ10 ) that can efficaciously drive solution phase formation of Li2 O2 in current benchmark ether-based Li-O2 batteries is reported, which would otherwise lead to Li2 O2 surface-film growth and premature cell death. In the range of current densities of 0.1-0.5 mA cm-2areal , the CoQ10 -catalyzed Li-O2 battery can deliver a discharge capacity that is ~40-100 times what the pristine Li-O2 battery could achieve. The drastically enhanced electrochemical performance is attributed to the CoQ10 that not only efficiently mediates the electron transfer from the cathode to dissolve O2 but also strongly interacts with the newly formed Li2 O2 in solution retarding its precipitation on the cathode surface. The mediated oxygen reduction reaction and the bonding mechanism between CoQ10 and Li2 O2 are understood with density functional theory calculations. PMID- 29226436 TI - Elaborate ultrastructure of the Hirudo (Annelida: Hirudinae) cocoon surface. AB - Species of medicinal leeches (Hirudo medicinalis, H. verbana, and H. sulukii) secrete hard-shelled cocoons. When initially deposited, a cocoon is surrounded by a foam. Over a short time, the foam is transformed into a three-dimensional structure. We show here that this peripheral structure likely forms by the solidification and dehydration of a moderately viscous, proteinaceous substance that surrounds bubbles of various sizes. The resulting matrix-like structure comprises a network of curved branches juxtaposed at ~120 degrees and taper in width as a function of distance from the outer cocoon wall. The material is proteinaceous, and traps environmental material in its composition, especially silicon. The geometry of compartments and abundance of silicon on branch surfaces suggest a mechanism for trapping water to prevent desiccation in a terrestrial environment. PMID- 29226437 TI - On Effective Graphic Communication of Health Inequality: Considerations for Health Policy Researchers. AB - : Policy Points: Effective graphs can be a powerful tool in communicating health inequality. The choice of graphs is often based on preferences and familiarity rather than science. According to the literature on graph perception, effective graphs allow human brains to decode visual cues easily. Dot charts are easier to decode than bar charts, and thus they are more effective. Dot charts are a flexible and versatile way to display information about health inequality. Consistent with the health risk communication literature, the captions accompanying health inequality graphs should provide a numerical, explicitly calculated description of health inequality, expressed in absolute and relative terms, from carefully thought-out perspectives. CONTEXT: Graphs are an essential tool for communicating health inequality, a key health policy concern. The choice of graphs is often driven by personal preferences and familiarity. Our article is aimed at health policy researchers developing health inequality graphs for policy and scientific audiences and seeks to (1) raise awareness of the effective use of graphs in communicating health inequality; (2) advocate for a particular type of graph (ie, dot charts) to depict health inequality; and (3) suggest key considerations for the captions accompanying health inequality graphs. METHODS: Using composite review methods, we selected the prevailing recommendations for improving graphs in scientific reporting. To find the origins of these recommendations, we reviewed the literature on graph perception and then applied what we learned to the context of health inequality. In addition, drawing from the numeracy literature in health risk communication, we examined numeric and verbal formats to explain health inequality graphs. FINDINGS: Many disciplines offer commonsense recommendations for visually presenting quantitative data. The literature on graph perception, which defines effective graphs as those allowing the easy decoding of visual cues in human brains, shows that with their more accurate and easier-to-decode visual cues, dot charts are more effective than bar charts. Dot charts can flexibly present a large amount of information in limited space. They also can easily accommodate typical health inequality information to describe a health variable (eg, life expectancy) by an inequality domain (eg, income) with domain groups (eg, poor and rich) in a population (eg, Canada) over time periods (eg, 2010 and 2017). The numeracy literature suggests that a health inequality graph's caption should provide a numerical, explicitly calculated description of health inequality expressed in absolute and relative terms, from carefully thought-out perspectives. CONCLUSIONS: Given the ubiquity of graphs, the health inequality field should learn from the vibrant multidisciplinary literature how to construct effective graphic communications, especially by considering to use dot charts. PMID- 29226438 TI - The "Great" Generation and a Not-So-Great Health System. PMID- 29226439 TI - On the Production of Useful Knowledge. PMID- 29226441 TI - Reforming American Medical Education. PMID- 29226442 TI - Common Ground on Responsibility for Health. PMID- 29226445 TI - Topsy-Turvy. PMID- 29226443 TI - Lessons From Analyzing the Medical Costs of Civilian Terror Victims: Planning Resources Allocation for a New Era of Confrontations. AB - : Policy Points: Across the globe, the threat from terrorist attacks is rising, which requires a careful assessment of long-term medical support. We found 3 major sources of costs: hospital expenditures, mental health services dedicated to acute stress reactions, and ambulatory follow-up. During the first year, most of the costs were related to hospitalization and support for stress relief. During the second year, ambulatory and rehabilitation costs continued to grow. Public health specialists should consider these major components of costs and their evolution over time to properly advise the medical and social authorities on allocating resources for the medical and nonmedical support of civilian casualties resulting from war or terror. CONTEXT: Across the globe, the threat from terrorist attacks is rising, which requires a careful assessment of long term medical support. Based on an 18-month follow-up of the Israeli civilian population following the 2014 war in Gaza, we describe and analyze the medical costs associated with rocket attacks and review the demography of the victims who filed claims for disability compensation. We then propose practical lessons to help health care authorities prepare for future confrontations. METHOD: Using the National Insurance Institute of Israel's (NII) database, we conducted descriptive and comparative analyses using statistical tests (Fisher's Exact Test, chi-square test, and students' t-tests). The costs were updated until March 30, 2016, and are presented in US dollars. We included only civilian expenses in our analysis. FINDINGS: We identified 5,189 victims, 3,236 of whom presented with acute stress reactions during the conflict. Eighteen months after the conflict, the victims' total medical costs reached $4.4 million. The NII reimbursed $2,541,053 for associated medical costs and $1,921,792 for associated mental health costs. A total of 709 victims filed claims with the NII for further support, including rehabilitation, medical devices, and disability pensions. CONCLUSION: We found 3 major sources of costs: hospital expenditures, mental health services dedicated to acute stress reactions, and ambulatory follow-up. During the first year, most of the costs were related to hospitalization and support for stress relief. During the second year, ambulatory and rehabilitation costs continued to grow. Public health specialists should consider these major components of costs and their evolution over time to properly advise the medical and social authorities on allocating resources for the medical and nonmedical support of civilian casualties resulting from war or terror. PMID- 29226446 TI - Stewing Over Chemical Soups. PMID- 29226447 TI - The Politics of Medicaid: Most Americans Are Connected to the Program, Support Its Expansion, and Do Not View It as Stigmatizing. AB - : Policy Points: More than half of Americans are connected to the Medicaid program-either through their own coverage or that of a family member or close friend-and are significantly more likely to view Medicaid as important and to support increases in spending, even among conservatives. This finding helps explain why Affordable Care Act repeal efforts faced (and will continue to face) strong public backlash. Policymakers should be aware that although renaming programs within Medicaid may have increased enrollment take-up, this destigmatization effort might have also increased program confusion and reduced support for Medicaid even among enrollees who say the program is important to them. CONTEXT: Since the 1980s, Medicaid enrollment has expanded so dramatically that by 2015 two-thirds of Americans had some connection to the program in which either they themselves, a family member, or a close friend is currently or was previously enrolled. METHODS: Utilizing a nationally representative survey-the Kaiser Family Foundation Poll: Medicare and Medicaid at 50 (n = 1,849)-and employing ordinal and logistic regression analyses, our study examines 3 questions: (1) are individuals with a connection to Medicaid more likely to view the program as important, (2) are they more likely to support an increase in Medicaid spending, and (3) are they more likely to support adoption of the Medicaid expansion offered under the Affordable Care Act? For each of these questions we examine whether partisanship and views of stigma also impact support for Medicaid and, if so, whether these factors overwhelm the impact of connection to the program. FINDINGS: Controlling for the strong effect of partisanship, people with any connection to the Medicaid program are more likely to view the program as important than those with no connection. However, when it comes to increasing spending or expanding the program, the type of connection to the program matters. In particular, adults with current and previous Medicaid coverage and those with a family member or close friend with Medicaid coverage are more likely to support increases in spending and the Medicaid expansion; but, those connected to Medicaid only through coverage of a child are no more likely to support Medicaid than those with no connection. CONCLUSIONS: Future research should probe more deeply into whether people with different types of connection to Medicaid view the program differently, and, if so, how and why. Moreover, future research should also explore whether state-level attempts to destigmatize Medicaid by renaming the program also serves to reduce knowledge and support for Medicaid. PMID- 29226448 TI - Better Measurement for Performance Improvement in Low- and Middle-Income Countries: The Primary Health Care Performance Initiative (PHCPI) Experience of Conceptual Framework Development and Indicator Selection. AB - : Policy Points: Strengthening accountability through better measurement and reporting is vital to ensure progress in improving quality primary health care (PHC) systems and achieving universal health coverage (UHC). The Primary Health Care Performance Initiative (PHCPI) provides national decision makers and global stakeholders with opportunities to benchmark and accelerate performance improvement through better performance measurement. Results from the initial PHC performance assessments in low- and middle-income countries (LMICs) are helping guide PHC reforms and investments and improve the PHCPI's instruments and indicators. Findings from future assessment activities will further amplify cross country comparisons and peer learning to improve PHC. New indicators and sources of data are needed to better understand PHC system performance in LMICs. CONTEXT: The Primary Health Care Performance Initiative (PHCPI), a collaboration between the Bill and Melinda Gates Foundation, The World Bank, and the World Health Organization, in partnership with Ariadne Labs and Results for Development, was launched in 2015 with the aim of catalyzing improvements in primary health care (PHC) systems in 135 low- and middle-income countries (LMICs), in order to accelerate progress toward universal health coverage. Through more comprehensive and actionable measurement of quality PHC, the PHCPI stimulates peer learning among LMICs and informs decision makers to guide PHC investments and reforms. Instruments for performance assessment and improvement are in development; to date, a conceptual framework and 2 sets of performance indicators have been released. METHODS: The PHCPI team developed the conceptual framework through literature reviews and consultations with an advisory committee of international experts. We generated 2 sets of performance indicators selected from a literature review of relevant indicators, cross-referenced against indicators available from international sources, and evaluated through 2 separate modified Delphi processes, consisting of online surveys and in-person facilitated discussions with experts. FINDINGS: The PHCPI conceptual framework builds on the current understanding of PHC system performance through an expanded emphasis on the role of service delivery. The first set of performance indicators, 36 Vital Signs, facilitates comparisons across countries and over time. The second set, 56 Diagnostic Indicators, elucidates underlying drivers of performance. Key challenges include a lack of available data for several indicators and a lack of validated indicators for important dimensions of quality PHC. CONCLUSIONS: The availability of data is critical to assessing PHC performance, particularly patient experience and quality of care. The PHCPI will continue to develop and test additional performance assessment instruments, including composite indices and national performance dashboards. Through country engagement, the PHCPI will further refine its instruments and engage with governments to better design and finance primary health care reforms. PMID- 29226449 TI - CMS, Demonstration Projects, and the Future of Value-Based Payments. PMID- 29226450 TI - Barriers to Care Among Transgender and Gender Nonconforming Adults. AB - : Policy Points: Transgender and gender nonconforming (GNC) adults may experience barriers to care for a variety of reasons, including discrimination and lack of awareness by providers in health care settings. In our analysis of a large, population-based sample, we found transgender and GNC adults were more likely to be uninsured and have unmet health care needs, and were less likely to have routine care, compared to cisgender (nontransgender) women. Our findings varied by gender identity. More research is needed on transgender and GNC populations, including on how public policy and provider awareness affects health care access and health outcomes differentially by gender identity. CONTEXT: Very little population-based research has examined health and access to care among transgender populations. This study compared barriers to care between cisgender, transgender, and gender nonconforming (GNC) adults using data from a large, multistate sample. METHODS: We used data from the 2014-2015 Behavioral Risk Factor Surveillance System to estimate the prevalence of having no health insurance, unmet medical care needs due to cost, no routine checkup, and no usual source of care for cisgender women (n = 183,370), cisgender men (n = 131,080), transgender women (n = 724), transgender men (n = 449), and GNC adults (n = 270). Logistic regression models were used to estimate odds ratios (OR) and 95% confidence intervals (CI) for each barrier to care while adjusting for sociodemographic characteristics. FINDINGS: Transgender and GNC adults were more likely to be nonwhite, sexual minority, and socioeconomically disadvantaged compared to cisgender adults. After controlling for sociodemographic characteristics, transgender women were more likely to have no health insurance (OR = 1.60; 95% CI = 1.07-2.40) compared to cisgender women; transgender men were more likely to have no health insurance (OR = 2.02; 95% CI = 1.25-3.25) and no usual source of care (OR = 1.84; 95% CI = 1.18-2.88); and GNC adults were more likely to have unmet medical care needs due to cost (OR = 1.93; 95% CI = 1.02 3.67) and no routine checkup in the prior year (OR = 2.41; 95% CI = 1.41-4.12). CONCLUSIONS: Transgender and GNC adults face barriers to health care that may be due to a variety of reasons, including discrimination in health care, health insurance policies, employment, and public policy or lack of awareness among health care providers on transgender-related health issues. PMID- 29226451 TI - Pictorial essay of ultrasound-reconstructed coronal plane images of the uterus in different uterine pathologies. AB - Imaging in the major planes (horizontal, coronal, and sagittal) of the uterus is important for determining anatomy and allowing the findings to be standardized, and for evaluating and diagnosing different pathological conditions in clinical practice. Examination of the coronal plane is an important step in identifying uterine pathologies and their relationships to the endometrial canal. Three dimensional (3D) ultrasound reveals the normal anatomy better and improves the depiction of abnormal anatomy, as the coronal plane of the uterus can easily be obtained using 3D reconstruction techniques. Our pictorial essay demonstrates that adding 3D ultrasound to a routine gynecological workup can be beneficial for clinicians, enabling a precise diagnosis to be made. In addition, the volumes obtained and stored by 3D ultrasound can allow students or residents to become more familiar with normal and abnormal pelvic structures. Clin. Anat. 31:373-379, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226452 TI - Clinical characteristics of Japanese patients with psoriatic arthritis: Comparison with East Asian countries. AB - To determine the characteristics and current status of Japanese patients with psoriatic arthritis, the Japanese Society for Psoriasis Research have started to conduct retrospective questionnaire surveys. The results collected from over a thousand patients with psoriatic arthritis have revealed several characteristics. The newly visited psoriatic arthritis patients accounted for approximately 10% of all new psoriatic patients who visited the dermatology department in many referral centers. The prevalence was nearly 15% of psoriatic patients, which was similar to a recent rheumatology and dermatology study in Japan with a large cohort. There was a male predominance. The mean age of onset for cutaneous psoriasis was in the late 30s, while that of arthritis was in the late 40s. If we compare the precedence of cutaneous psoriasis versus arthritis, the psoriasis precedent group accounted for nearly 75%, while arthritis accounted for 5% of cases. The mean duration in patients who developed psoriasis prior to arthritis was over 10 years, while that in patients preceded by arthritis was less than 5 years. According to the Moll and Wright criteria, polyarthritis type was most common, followed by distal interphalangeal type and oligoarthritis type. Biologics were used in over 50% of psoriatic arthritis patients, and TNF inhibitors were currently used in approximately 70% among biologics. Switching to other biologics or discontinuance was seen in 15%. This review shows the current status of psoriatic arthritis in Japan, as well as a comparison of the prevalence among East Asian countries. PMID- 29226453 TI - Silver(I)-Mediated Base Pairs in DNA Sequences Containing 7 Deazaguanine/Cytosine: towards DNA with Entirely Metallated Watson-Crick Base Pairs. AB - DNA sequences comprising noncanonical 7-deazaguanine (7C G) and canonical cytosine (C) are capable of forming Watson-Crick base pairs via hydrogen bonds as well as silver(I)-mediated base pairs by coordination to central silver(I) ions. Duplexes I and II containing 7C G and C have been synthesized and characterized. The incorporation of silver(I) ions into these duplexes has been studied by means of temperature-dependent UV spectroscopy, circular dichroism, and DFT calculations. The results suggest the formation of DNA molecules comprising contiguous metallated 7C G-AgI -C Watson-Crick base pairs that preserve the original B-type conformation. Furthermore, additional studies performed on duplex III indicated that, in the presence of AgI ions, 7C G-C and 7C A-T Watson-Crick base pairs (7C A, 7-deazadenine; T, thymine) can be converted to metallated 7C G AgI -C and 7C A-AgI -T base pairs inside the same DNA molecule whilst maintaining its initial double helix conformation. These findings are very important for the development of customized silver-DNA nanostructures based on a Watson-Crick complementarity pattern. PMID- 29226454 TI - A New Member of Electrocatalysts Based on Nickel Metaphosphate Nanocrystals for Efficient Water Oxidation. AB - High-performance electrocatalysts are desired for electrochemical energy conversion, especially in the field of water splitting. Here, a new member of phosphate electrocatalysts, nickel metaphosphate (Ni2 P4 O12 ) nanocrystals, is reported, exhibiting low overpotential of 270 mV to generate the current density of 10 mA cm-2 and a superior catalytic durability of 100 h. It is worth noting that Ni2 P4 O12 electrocatalyst has remarkable oxygen evolution performance operating in basic media. Further experimental and theoretical analyses demonstrate that N dopant boosts the catalytic performance of Ni2 P4 O12 due to optimizing the surface electronic structure for better charge transfer and decreasing the adsorption energy for the oxygenic intermediates. PMID- 29226455 TI - Perceptions of oral health among older Cambodians and their caregivers: A qualitative study. AB - OBJECTIVE: Older adults (those above the age of 60) are an emerging demographic in Cambodia, and very little is understood about their oral health experiences, needs, perceptions and behaviours. The aim of this study was to explore the oral health experiences, practices and perceptions of a convenience sample of a small but diverse group of older adults in Cambodia. METHOD: A cross-sectional qualitative study in which focus group interviews were conducted by 5 trained senior Cambodian dental students. A convenience sample of 56 older adults and caregivers was recruited across urban, semi-urban and rural locations. Focus group conversations were recorded, transcribed and analysed thematically. RESULTS: The themes that emerged were around low expectations for both general health and oral health. A communal responsibility for health was expressed, and both money and transport were identified as key barriers to accessing care. Participants recognised that they had oral health problems, and acknowledged the impact of poor oral function on health and nutrition. CONCLUSION: This study is an important first step in better understanding the oral health experiences and perceptions of older people in Cambodia. Participants described the impacts of poor oral health as being important, even when compared with other general health conditions. PMID- 29226456 TI - Cigarette smoke extract induces oral squamous cell carcinoma cell invasion in a receptor for advanced glycation end-products-dependent manner. AB - Oral squamous cell carcinoma (OSCC) affects approximately 30,000 people and is associated with tobacco use. Little is known about the mechanistic effects of second-hand smoke in the development of OSSC. The receptor for advanced glycation end-products (RAGE) is a surface receptor that is upregulated by second-hand smoke and inhibited by semi-synthetic glycosaminoglycan ethers (SAGEs). Our objective was to determine the role of RAGE during cigarette smoke extract induced cellular responses and to use SAGEs as a modulating factor of Ca9-22 OSCC cell invasion. Ca9-22 cells were cultured in the presence or absence of cigarette smoke extract and SAGEs. Cell invasion was determined and cells were lysed for western blot analysis. Ras and nuclear factor of kappa light polypeptide gene enhancer in B-cells (NF-kappaB) activation were determined. Treatment of cells with cigarette smoke extract resulted in: (i) increased invasion of OSCC; (ii) increased RAGE expression; (iii) inhibition of cigarette smoke extract-induced OSCC cell invasion by SAGEs; (iv) increased Ras, increased AKT and NF-kappaB activation, and downregulation by SAGEs; and (v) increased expression of matrix metalloproteinases (MMPs) 2, 9, and 14, and downregulation by SAGEs. We conclude that cigarette smoke extract increases invasion of OSCC cells in a RAGE-dependent manner. Inhibition of RAGE decreases the levels of its signaling molecules, which results in blocking the cigarette smoke extract-induced invasion. PMID- 29226458 TI - Communicating risk in dementia care: Survey of health and social care professionals. AB - Supporting people to live at home in line with community care policies requires increasing attention to assessing, communicating and managing risks. There is a challenge in supporting client choices that include risk-taking while demonstrating professional accountability. Risk communication becomes increasingly important with the need to engage clients and families in meaningful shared decision-making. This presents particular challenges in dementia services. This survey of risk communication in dementia care was administered to all health and social care professionals in community dementia services in Northern Ireland: June-September 2016. Of 270 professionals, 70 questionnaires were fully completed, with 55 partial completions. Scores on the Berlin Numeracy Test plus Schwartz items was low-moderate (mean 2.79 out of 7). This study did not find a significant association between numeracy and accurate perceptions of risk likelihoods in practice-based scenarios. Although 86% reported using numeric information in practice (mostly from assessment tools), respondents rarely communicated themselves using numbers. As in other domains, participants' responses were widely variable on numeric estimates of verbal terms for likelihood. In relation to medication side effects, few participants provided responses that were concordant with those in the guidance of the European Union. The risks most commonly encountered in practice were (in rank order): falls, depression, poor personal hygiene, medicines mismanagement, leaving home unsupervised, financial mismanagement, malnutrition, swallowing difficulties, abuse from others, risks to others, home appliance accidents and refusing equipment. Respondents generally overestimated the likelihood of serious harmful events by approximately 10-fold (having a missing person's report filed with the police; having a fall resulting in hospitalisation) and by approximately double (being involved in a car accident; causing a home fire), and with wide variation between respondents. There is potential in icon arrays for communicating risks. Risk literacy among dementia care practitioners needs to be developed. PMID- 29226457 TI - Investigation of in vitro measurable sperm attributes and their influence on electroejaculated bull semen with a fixed-time artificial insemination protocol in Australian Bos indicus cattle. AB - Increasing use of fixed-time artificial insemination (FTAI) in beef cattle production has presented an opportunity for the use of fresh or chilled semen as an alternative to standard cryopreserved semen. The objective of this study was to examine in vitro sperm function and pregnancy rate of electroejaculated semen, chilled and stored for 48 hr, compared to conventionally cryopreserved semen with an optimized FTAI protocol in Brahman cattle. Semen from three Brahman bulls was collected, and aliquots were extended in either chilled (at 5 degrees C) or frozen (LN2 ) in a Tris-egg yolk extender base with 2.4% or 7.0% glycerol, respectively. Semen samples were assessed 48 hr after collection or post-thaw and warming, for sperm motility, in vitro sperm function and fertilizing ability, and used in a FTAI programme. The overall pregnancy rates was significantly different (p < .01) after FTAI with frozen (n = 173; 53.2%) and chilled semen (n = 174; 31.6%). In contrast, the in vitro sperm assessment showed that the chilled semen had significantly faster motility (p < .05), a higher proportion of progressively motile spermatozoa (p < .05), with significantly higher proportions of acrosome intact, viable spermatozoa (p < .01). This study showed that reasonable pregnancy rates in Brahman cattle can be achieved using FTAI with chilled semen collected using electroejaculation and stored for up to 48 hr. However, improvements in semen extenders are required in consideration of semen collection method to improve the longevity of sperm fertilizing ability to significantly increase FTAI output using chilled storage of bull semen. PMID- 29226459 TI - A Lithography-Free and Field-Programmable Photonic Metacanvas. AB - The unique correspondence between mathematical operators and photonic elements in wave optics enables quantitative analysis of light manipulation with individual optical devices. Phase-transition materials are able to provide real-time reconfigurability of these devices, which would create new optical functionalities via (re)compilation of photonic operators, as those achieved in other fields such as field-programmable gate arrays (FPGA). Here, by exploiting the hysteretic phase transition of vanadium dioxide, an all-solid, rewritable metacanvas on which nearly arbitrary photonic devices can be rapidly and repeatedly written and erased is presented. The writing is performed with a low power laser and the entire process stays below 90 degrees C. Using the metacanvas, dynamic manipulation of optical waves is demonstrated for light propagation, polarization, and reconstruction. The metacanvas supports physical (re)compilation of photonic operators akin to that of FPGA, opening up possibilities where photonic elements can be field programmed to deliver complex, system-level functionalities. PMID- 29226460 TI - CT pulmonary angiogram for assessing the treatment outcome of acute pulmonary embolism. AB - OBJECTIVE: To discuss the value of CT pulmonary angiogram (CTPA) for assessing the treatment outcome of acute pulmonary embolism (APE). MATERIALS AND METHODS: CT pulmonary angiogram data and other clinical data were collected for 28 cases diagnosed as APE and analyzed retrospectively. The number and positions of emboli in the pulmonary artery, pulmonary artery obstruction index, right ventricular/left ventricular diameter ratio, main pulmonary artery/ascending aorta diameter ratio and blood oxygen saturation, and pulmonary arterial pressure were compared before and after treatment. RESULTS: Of 28 cases, emboli in the pulmonary artery completely or partially disappeared in 16 and 12 cases, respectively. CPTA indicated that the pulmonary arterial pressure decreased dramatically and the blood oxygen saturation increased after treatment in 26 cases. There were significant differences in the number and positions of pulmonary emboli and in pulmonary artery obstruction index before and after treatment in 28 cases (P < .05). However, no significant differences were found in the right ventricular/left ventricular diameter ratio or main pulmonary artery/ascending aorta diameter ratio (P > .05). CONCLUSION: CT pulmonary angiogram proved reliable for assessing the treatment efficacy of APE, providing more clinical information on the patients' status. PMID- 29226461 TI - Long non-coding PANDAR as a novel biomarker in human cancer: A systematic review. AB - OBJECTIVES: Long non-coding RNAs (lncRNAs) are characterized as a group of RNAs that more than 200 nucleotides in length and have no protein-coding function. More and more evidences provided that lncRNAs serve as key molecules in the development of cancer. Deregulation of lncRNAs functions as either oncogenes or tumour suppressor genes in various diseases. Recently, increasing studies about PANDAR in cancer progression were reported. In our review, we will focus on the current research on the character of PANDAR include the clinical management, tumour progression and molecular mechanisms in human cancers. MATERIALS AND METHODS: We summarize and analyze current studies concerning the biological functions and mechanisms of lncRNA PANDA in tumour development. The related studies were obtained through a systematic search of Pubmed. RESULTS: PANDAR was a well-characterized oncogenic lncRNA and widely overexpressed in many tumours. PANDAR is upregulated in many types of cancer, including colorectal cancer, lung cancer, renal cell carcinoma, cholangiocarcinoma, osteosarcoma, thyroid cancer and other cancers. Upregulation of PANDAR was significantly associated with advanced tumour weights, TNM stage and overall survival. Furthermore, repressed of PANDAR would restrain proliferation, migration and invasion. CONCLUSION: PANDAR may act as a powerful tumour biomarker for cancer diagnosis and treatment. PMID- 29226462 TI - Spontaneous death of rat chloroleukaemia cells induced by an endogenous growth inhibitor. AB - OBJECTIVES: When rat chloroleukaemia (CHL) cells are grown undisturbed in a confined space, a genomic long interspersed nuclear element (LINE) is transcriptionally activated at a relatively low population density, followed by the retrotransposition of LINE and population death. This death programme is fundamentally different from conventional cell death pathways. MATERIALS AND METHODS: This work is essentially based on the re-analysis of relevant, old experimental data. Elemental analysis of a highly purified, long-stored inhibitor sample was performed. Genomic sequence searches were performed using the basic local alignment search tool (BLAST). RESULTS: This death programme is initiated by an endogenous inhibitor secreted by CHL cells. The inhibitor is almost certainly identical to the pentapeptide pyroGlu-Glu-Asp-Cys-Lys, shown to be a cell line-specific inhibitor of normal granulocytic cells. The inhibitor is derived from a highly conserved short open reading frame in mammalian genomes. CONCLUSIONS: Although spontaneous population death may be a biological oddity restricted to rat CHL cells, we suggest that this death programme is responsible for the eradication of cancer cells following treatment with an inhibitor administered exogenously. PMID- 29226463 TI - Which limb is it? Responses to vibrotactile stimulation in early infancy. AB - This study focuses on how the body schema develops during the first months of life, by investigating infants' motor responses to localized vibrotactile stimulation on their limbs. Vibrotactile stimulation was provided by small buzzers that were attached to the infants' four limbs one at a time. Four age groups were compared cross-sectionally (3-, 4-, 5-, and 6-month-olds). We show that before they actually reach for the buzzer, which, according to previous studies, occurs around 7-8 months of age, infants demonstrate emerging knowledge about their body's configuration by producing specific movement patterns associated with the stimulated body area. At 3 months, infants responded with an increase in general activity when the buzzer was placed on the body, independently of the vibrator's location. Differentiated topographical awareness of the body seemed to appear around 5 months, with specific responses resulting from stimulation of the hands emerging first, followed by the differentiation of movement patterns associated with the stimulation of the feet. Qualitative analyses revealed specific movement types reliably associated with each stimulated location by 6 months of age, possibly preparing infants' ability to actually reach for the vibrating target. We discuss this result in relation to newborns' ability to learn specific movement patterns through intersensory contingency. Statement of contribution what is already known on infants' sensorimotor knowledge about their own bodies 3-month-olds readily learn to produce specific limb movements to obtain a desired effect (movement of a mobile). infants detect temporal and spatial correspondences between events involving their own body and visual events. what the present study adds until 4-5 months of age, infants mostly produce general motor responses to localized touch. this is because in the present study, infants could not rely on immediate contingent feedback. we propose a cephalocaudal developmental trend of topographic differentiation of body areas. PMID- 29226464 TI - Place of death in the Snowy Monaro region of New South Wales: A study of residents who died of a condition amenable to palliative care. AB - OBJECTIVE: To describe the place of death of residents in a rural region of New South Wales. DESIGN: Cross-sectional quantitative study using death data collected from local funeral directors (in person and websites), residential aged care facilities, one multipurpose heath service and obituary notices in the local media (newspapers/radio). SETTING: Snowy Monaro region (New South Wales Australia). PARTICIPANTS: Residents, with advanced frailty or one of 10 conditions amenable to palliative care, who died between 1 February 2015 and 31 May 2016. MAIN OUTCOME MEASURE: Place of death. RESULTS: Of 224 deaths in this period, 138 were considered amenable to palliative care. Twelve per cent of these deaths occurred in a private residence, 38% in the usual place of residence and 91% within the region. CONCLUSION: Most rural residents with conditions amenable to palliative care died in the region. Most did not die in their usual place of residence. Further qualitative work is needed to determine palliative care patients' and family caregivers' preferences for, and the importance placed on, place of death. While there may be a need to support an increase in home deaths, local rural hospitals and residential aged-care facilities must not be overlooked as a substitute for inpatient hospices. PMID- 29226465 TI - Supplemental oxygen therapy does not affect the systemic inflammatory response to acute myocardial infarction. AB - BACKGROUND: Oxygen therapy has been used routinely in normoxemic patients with suspected acute myocardial infarction (AMI) despite limited evidence supporting a beneficial effect. AMI is associated with a systemic inflammation. Here, we hypothesized that the inflammatory response to AMI is potentiated by oxygen therapy. METHODS: The DETermination of the role of Oxygen in suspected Acute Myocardial Infarction (DETO2X-AMI) multicentre trial randomized patients with suspected AMI to receive oxygen at 6 L min-1 for 6-12 h or ambient air. For this prespecified subgroup analysis, we recruited patients with confirmed AMI from two sites for evaluation of inflammatory biomarkers at randomization and 5-7 h later. Ninety-two inflammatory biomarkers were analysed using proximity extension assay technology, to evaluate the effect of oxygen on the systemic inflammatory response to AMI. RESULTS: Plasma from 144 AMI patients was analysed whereof 76 (53%) were randomized to oxygen and 68 (47%) to air. Eight biomarkers showed a significant increase, whereas 13 were decreased 5-7 h after randomization. The inflammatory response did not differ between the two treatment groups neither did plasma troponin T levels. After adjustment for increase in troponin T over time, age and sex, the release of inflammation-related biomarkers was still similar in the groups. CONCLUSIONS: In a randomized controlled setting of normoxemic patients with AMI, the use of supplemental oxygen did not have any significant impact on the early release of systemic inflammatory markers. PMID- 29226466 TI - Childhood-Onset Cluster Headache: Observations From a Personal Case-Series and Review of the Literature. AB - BACKGROUND/OBJECTIVES: Puberty seems to be a turning point in cluster headache (CH) onset. To verify its influence on CH phenotype, we focused on cases with onset <=13 years. A review of the literature follows. METHOD: We considered CH cases with age-of-onset <=13 years evaluated at our center between 1975 and 2015; these cases were matched by sex to two consecutive patients with age-of-onset as close as possible (+/-2 years) to the median age-of-onset of the overall CH population. RESULTS: Of the overall 808 cases (585 men and 223 women, M:F ratio = 2.6), 38 patients (20 men and 18 women, M:F ratio = 1.1) had pediatric onset (PO). The diagnostic delay was significantly higher among cases with PO (21.2 +/- 12.4 years, P < .0001). In this group, females had more frequently a chronic course and a familiarity for CH. Men with PO had some significant distinctive features, including higher frequency and longer duration of headache attacks, and higher proportion of various cranial autonomic and migraine-like symptoms. CONCLUSIONS: We confirmed that CH with childhood onset does not show a male predominance, which was actually inverted for chronic cases. Furthermore, males with PO seem to have a specific clinical phenotype. PMID- 29226468 TI - Peptide Integrated Optics. AB - Bio-nanophotonics is a wide field in which advanced optical materials, biomedicine, fundamental optics, and nanotechnology are combined and result in the development of biomedical optical chips. Silk fibers or synthetic bioabsorbable polymers are the main light-guiding components. In this work, an advanced concept of integrated bio-optics is proposed, which is based on bioinspired peptide optical materials exhibiting wide optical transparency, nonlinear and electrooptical properties, and effective passive and active waveguiding. Developed new technology combining bottom-up controlled deposition of peptide planar wafers of a large area and top-down focus ion beam lithography provides direct fabrication of peptide optical integrated circuits. Finding a deep modification of peptide optical properties by reconformation of biological secondary structure from native phase to beta-sheet architecture is followed by the appearance of visible fluorescence and unexpected transition from a native passive optical waveguiding to an active one. Original biocompatibility, switchable regimes of waveguiding, and multifunctional nonlinear optical properties make these new peptide planar optical materials attractive for application in emerging technology of lab-on-biochips, combining biomedical photonic and electronic circuits toward medical diagnosis, light-activated therapy, and health monitoring. PMID- 29226467 TI - Axon guidance pathways and the control of gene expression. AB - Axons need to be properly guided to their targets to form synaptic connections, and this requires interactions between highly conserved extracellular and transmembrane ligands and their cell surface receptors. The majority of studies on axon guidance signaling pathways have focused on the role of these pathways in rearranging the local cytoskeleton and plasma membrane in growth cones and axons. However, a smaller body of work has demonstrated that axon guidance signaling pathways also control gene expression via local translation and transcription. Recent studies on axon guidance ligands and receptors have begun to uncover the requirements for these alternative mechanisms in processes required for neural circuit formation: axon guidance, synaptogenesis, and cell migration. Understanding the mechanisms by which axon guidance signaling regulates local translation and transcription will create a more complete picture of neural circuit formation, and they may be applied more broadly to other tissues where axon guidance ligands and receptors are required for morphogenesis. Developmental Dynamics 247:571-580, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226469 TI - Surgical anatomy of the superficial temporal artery to prevent facial nerve injury during arterial biopsy. AB - To investigate the topographical relationship between the frontal branch of the superficial temporal artery (FSTA) and the temporal branch of the facial nerve (TFN) with the aim of preventing nerve injury during FSTA biopsy. Fifty-seven hemifaces of 33 cadavers were dissected. Vertical lines drawn to the lateral orbital margin (LOM) and the superior root of the helix were used as the anterior and posterior reference positions, respectively. Horizontal lines drawn through the supraorbital margin and lateral canthus were used as the superior and inferior reference points, respectively. The depth and course relationships of the FSTA and TFN were examined. Midpoints between the FSTA and TFN are situated approximately 6.0 and 4.5 cm posterior to the lateral orbital margin at the levels of the lateral canthus and supraorbital margin, respectively. The TFN is generally situated 1-2 cm anteriorly and inferiorly to the FSTA in the temporal region. However, in two cases (3.6%), the TFN ran just underneath the FSTA with only a very small safe distance, making it highly vulnerable to iatrogenic injury. In conclusion, when performing an FSTA biopsy, the surgeon should not dissect below the superficial temporal fascia because there is an overlap between the course of the FSTA and the TFN in a minority of cases. Also, surgical incisions should be made outside the area delineated by an oblique line passing through the points 6.0 and 4.5 cm posterior to the lateral orbital margin at the levels of the lateral canthus and the supraorbital margin, respectively. Clin. Anat. 31:608-613, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226470 TI - Photo-Crosslinkable Unnatural Amino Acids Enable Facile Synthesis of Thermoresponsive Nano- to Microgels of Intrinsically Disordered Polypeptides. AB - Hydrogel particles are versatile materials that provide exquisite, tunable control over the sequestration and delivery of materials in pharmaceutics, tissue engineering, and photonics. The favorable properties of hydrogel particles depend largely on their size, and particles ranging from nanometers to micrometers are used in different applications. Previous studies have only successfully fabricated these particles in one specific size regime and required a variety of materials and fabrication methods. A simple yet powerful system is developed to easily tune the size of polypeptide-based, thermoresponsive hydrogel particles, from the nano- to microscale, using a single starting material. Particle size is controlled by the self-assembly and unique phase transition behavior of elastin like polypeptides in bulk and within microfluidic-generated droplets. These particles are then stabilized through ultraviolet irradiation of a photo crosslinkable unnatural amino acid (UAA) cotranslationally incorporated into the parent polypeptide. The thermoresponsive property of these particles provides an active mechanism for actuation and a dynamic responsive to the environment. This work represents a fundamental advance in the generation of crosslinked biomaterials, especially in the form of soft matter colloids, and is one of the first demonstrations of successful use of UAAs in generating a novel material. PMID- 29226471 TI - A Human Study to Evaluate Safety, Tolerability, and Cyclic GMP Activating Properties of Cenderitide in Subjects With Stable Chronic Heart Failure. AB - Cenderitide is a novel designer natriuretic peptide (NP) composed of C-type natriuretic peptide (CNP) fused to the C-terminus of Dendroaspis natriuretic peptide (DNP). Cenderitide was engineered to coactivate the two NP receptors, particulate guanylyl cyclase (pGC)-A and -B. The rationale for its design was to achieve the renal-enhancing and antifibrotic properties of dual receptor activation, but without clinically significant hypotension. Here we report the first clinical trial on the safety, tolerability, and cyclic guanosine monophosphate (cGMP) activating properties of Cenderitide in subjects with stable heart failure (HF). Four-hour infusion of Cenderitide was safe, well-tolerated, and significantly increased plasma cGMP levels and urinary cGMP excretion without adverse effects with no change in blood pressure. Thus, Cenderitide has a favorable safety profile and expected pharmacological effects in stable human HF. Our results support further investigations of Cenderitide in HF as a potential future cGMP-enhancing therapeutic strategy. PMID- 29226472 TI - Cost-utility analysis of idelalisib in combination with rituximab in relapsed or refractory chronic lymphocytic leukaemia. AB - OBJECTIVE: To evaluate the incremental cost-utility ratio (ICUR) of idelalisib in combination with rituximab (IR) versus rituximab monotherapy (R) in the treatment of patients with relapsed or refractory (R/R) chronic lymphocytic leukaemia (CLL), from the Spanish National Health System (NHS) perspective. METHODS: A partitioned survival Markov model for a lifetime horizon (30 years) was developed to estimate costs (?, 2016) and quality-adjusted life years (QALY) with IR and R. Initial cohort included patients with CLL receiving a second or subsequent line (2L) of treatment with IR or R. Survival data were based on CLL clinical trial. Drug, administration, monitoring, adverse events and clinical management of CLL costs were included in the model. Costs and outcomes were discounted using a 3% annually. Deterministic and probabilistic sensitivity analyses (PSA) were performed. RESULTS: Compared to R, 2L IR treatment resulted in QALY gain of 3.147 (4.965 versus 1.818). Total costs were ?118 254 for IR versus ?23 874 for R. ICUR was ?29 990/QALY gained with IR versus R. In the PSA, IR was cost-effective in 78% of iterations using a threshold of ?45 000/QALY. CONCLUSION: IR can be considered a cost-effective treatment compared to R, in the treatment of R/R CLL patients for the Spanish NHS. PMID- 29226474 TI - Cerebroplacental ratio and fetal response to maternal extracorporeal soluble fms like tyrosine kinase-1 removal. PMID- 29226473 TI - Contributions to nucleosome dynamics in chromatin from interactive propagation of phosphorylation/acetylation and inducible histone lysine basicities. AB - The effect of phosphorylation on the basicities of amines in histone H3 peptides and their acetylation kinetics is probed with a mild chemical acetylating agent. Phosphorylation of Ser-10 lowers the rate of chemical acetylation of Lys-9, Lys 14, and Lys-18 by methyl acetyl phosphate in that order consistent with a higher pKa of these Lys residues induced by phosphorylation; basicities increase up to 3 pKa units as a function of distance from Ser-10 phosphate. Enzymic acetylation of Lys residues with high pKa values in nucleosomes is also expected to be enhanced by phosphorylation, consistent with the known mechanism involving binding of protonated amines to N-acetyltransferases; fetal hemoglobin has a related linkage of increased basicity at a specific site, its acetylation, and a resulting decrease in subunit interaction strength. In the absence of a phosphate on Ser 10, the amines of Lys-9, Lys-14, and Lys-18 have lowered pKa values. Chemical acetylation of glycine and glycinamide have analogous kinetic profiles to the histone peptides but the phosphate inductive effect in histone H3 is more potent since the linkage between phosphorylation and acetylation is propagated with a range extending 9-10 amino acids in either direction from the phosphorylation site enhancing protonation of amino groups. We conclude that lysine amine basicities in histone tails are not static but inducible and variable due to a dynamic and immediate interaction between phosphorylation/acetylation that may contribute to inactive heterochromatin by compaction through such Ser phosphate Lys amine electrostatic interactions and their relaxation by acetylation in euchromatin. PMID- 29226475 TI - Double-scope method for creating a straight submucosal tunnel during peroral endoscopic myotomy. PMID- 29226477 TI - Concise Review: Cell Therapy for Critical Limb Ischemia: An Integrated Review of Preclinical and Clinical Studies. AB - Critical limb ischemia (CLI), the most severe form of peripheral artery disease, is characterized by pain at rest and non-healing ulcers in the lower extremities. For patients with CLI, where the extent of atherosclerotic artery occlusion is too severe for surgical bypass or percutaneous interventions, limb amputation remains the only treatment option. Thus, cell-based therapy to restore perfusion and promote wound healing in patients with CLI is under intense investigation. Despite promising preclinical studies in animal models, transplantation of bone marrow (BM)-derived cell populations in patients with CLI has shown limited benefit preventing limb amputation. Early trials injected heterogenous mononuclear cells containing a low frequency of cells with pro-vascular regenerative functions. Most trials transferred autologous cells damaged by chronic disease that demonstrated poor survival in the ischemic environment and impaired function conferred by atherosclerotic or diabetic co-morbidities. Finally, recent preclinical studies suggest optimized blood vessel formation may require paracrine and/or structural contributions from multiple progenitor cell lineages, angiocrine-secretory myeloid cells derived from hematopoietic progenitor cells, tubule-forming endothelial cells generated by circulating or vessel-resident endothelial precursors, and vessel-stabilizing perivascular cells derived from mesenchymal stem cells. Understanding how stem cells co-ordinate the myriad of cells and signals required for stable revascularization remains the key to translating the potential of stem cells into curative therapies for CLI. Thus, combination delivery of multiple cell types within supportive bioengineered matricies may represent a new direction to improve cell therapy strategies for CLI. Stem Cells 2018;36:161-171. PMID- 29226476 TI - Differences in the Activity of Endogenous Bone Morphogenetic Protein Signaling Impact on the Ability of Induced Pluripotent Stem Cells to Differentiate to Corneal Epithelial-Like Cells. AB - Cornea is a clear outermost layer of the eye which enables transmission of light onto the retina. The transparent corneal epithelium is regenerated by limbal stem cells (LSCs), whose loss/dysfunction results in LSCs deficiency (LSCD). Ex vivo expansion of autologous LSCs obtained from patient's healthy eye followed by transplantation onto the LSCs damaged/deficient eye, has provided a successful treatment for unilateral LSCD. However, this is not applicable to patient with total bilateral LSCD, where LSCs are lost/damaged from both eyes. We investigated the potential of human induced pluripotent stem cell (hiPSC) to differentiate into corneal epithelial-like cells as a source of autologous stem cell treatment for patients with total bilateral LSCD. Our study showed that combined addition of bone morphogenetic protein 4 (BMP4), all trans-retinoic acid and epidermal growth factor for the first 9 days of differentiation followed by cell-replating on collagen-IV-coated surfaces with a corneal-specific-epithelial cell media for an additional 11 days, resulted in step wise differentiation of human embryonic stem cells (hESC) to corneal epithelial progenitors and mature corneal epithelial like cells. We observed differences in the ability of hiPSC lines to undergo differentiation to corneal epithelial-like cells which were dependent on the level of endogenous BMP signaling and could be restored via the activation of this signaling pathway by a specific transforming growth factor beta inhibitor (SB431542). Together our data reveal a differential ability of hiPSC lines to generate corneal epithelial cells which is underlined by the activity of endogenous BMP signaling pathway. Stem Cells 2018;36:337-348. PMID- 29226478 TI - Improved protein splicing using embedded split inteins. AB - Naturally split inteins mediate a traceless protein ligation process known as protein trans-splicing (PTS). Although frequently used in protein engineering applications, the efficiency of PTS can be reduced by the tendency of some split intein fusion constructs to aggregate; a consequence of the fragmented nature of the split intein itself or the polypeptide to which it is fused (the extein). Here, we report a strategy to help address this liability. This involves embedding the split intein within a protein sequence designed to stabilize either the intein fragment itself or the appended extein. We expect this approach to increase the scope of PTS-based protein engineering efforts. PMID- 29226479 TI - Metabolite profiling and isolation of biologically active compounds from Scadoxus puniceus, a highly traded South African medicinal plant. AB - Scadoxus puniceus (Amaryllidaceae), a medicinal plant of high value in South Africa, is used as a component of a traditional herbal tonic prescribed to treat several ailments. Ultra-high performance liquid chromatography-tandem mass spectrometry quantified the phenolic compounds in different organs of S. puniceus. Gravity column chromatography was used to separate fractions and active compounds. The structure of these compounds was determined using 1D and 2D nuclear magnetic resonance and mass spectroscopic techniques. A microplate technique was used to determine the acetylcholinesterase inhibitory activity of the pure compounds. Metabolite profiling revealed a greater profusion of hydroxycinnamic acids (69.5%), as opposed to hydroxybenzoic acids (30.5%). Chlorogenic acid was the most abundant (49.6% of hydroxycinnamic acids) compound. In addition to chlorogenic acid, the study is the first to report the presence of sinapic, gallic, and m-hydroxybenzoic acids in the Amaryllidaceae. Chromatographic separation of S. puniceus led to the isolation of haemanthamine (1), haemanthidine (2), and a rare chlorinated amide, metolachlor (3), the natural occurrence of which is described for the first time. Haemanthamine, haemanthidine, and metolachlor displayed strong acetylcholinesterase inhibitory activity (IC50 ; 23.1, 23.7, and 11.5 MUM, respectively). These results substantiate the frequent use of S. puniceus as a medicinal plant and hold much promise for further pharmaceutical development. PMID- 29226480 TI - Successful pancreas transplantation alone is associated with excellent self identified health score and glucose control: A retrospective study from a high volume center in the United States. AB - BACKGROUND: The benefits of pancreas transplantation are often difficult to measure. Here, we sought to determine the difference in quality of life for diabetic patients with and without a functional pancreas transplant alone (PTA). METHODS: Pancreas transplant alone cases from 1993 to 2015 were considered. An IRB-approved survey inclusive of 15 questions spanning four domains was employed. Chi-square, Fisher's exact, and the T test were used where appropriate. RESULTS: A total of 137 PTAs were performed during the study period. Of those reached (n = 32), 94% responded to the survey. Self-reported health scores were better (2.1 vs 3.0) for those with functioning pancreata (n = 18) vs those with a non-functional pancreas (n = 14), respectively (P = .036). Those with a functional pancreas had a HgbA1c of 5.3, vs 7.7 for a non-functional pancreas (P = .016). Significant hypoglycemia was reported in two of 18 with a functional transplant vs nine of 14 patients with a failed transplant (P = .003). Daily frustration with blood sugar affecting quality of life was significantly higher for patients with non functional pancreas grafts (P < .001). CONCLUSIONS: Pancreas transplantation alone is associated with better glucose control than insulin. In addition, recipients of functional PTAs have improved quality of life and better overall health scores than those with failed grafts. PMID- 29226481 TI - No major differences in outcomes between the initial and relapse episodes in patients with thrombotic thrombocytopenic purpura: The experience from the Ohio State University Registry. PMID- 29226482 TI - Using facial muscular movements to understand young children's emotion regulation and concurrent neural activation. AB - Individual differences in young children's frustration responses set the stage for myriad developmental outcomes and represent an area of intense empirical interest. Emotion regulation is hypothesized to comprise the interplay of complex behaviors, such as facial expressions, and activation of concurrent underlying neural systems. At present, however, the literature has mostly examined children's observed emotion regulation behaviors and assumed underlying brain activation through separate investigations, resulting in theoretical gaps in our understanding of how children regulate emotion in vivo. Our goal was to elucidate links between young children's emotion regulation-related neural activation, facial muscular movements, and parent-rated temperamental emotion regulation. Sixty-five children (age 3-7) completed a frustration-inducing computer task while lateral prefrontal cortex (LPFC) activation and concurrent facial expressions were recorded. Negative facial expressions with eye constriction were inversely associated with both parent-rated temperamental emotion regulation and concurrent LPFC activation. Moreover, we found evidence that positive expressions with eye constriction during frustration may be associated with stronger LPFC activation. Results suggest a correspondence between facial expressions and LPFC activation that may explicate how children regulate emotion in real time. PMID- 29226483 TI - Boron Nanowheels with Axles Containing Noble Gas Atoms: Viable Noble Gas Bound M(c)B10- Clusters (M=Nb, Ta). AB - The viability of noble gas axled boron nanowheels Ngn M(c)B10- (Ng=Ar-Rn; M=Nb, Ta; n=1, 2) is explored by ab initio computations. In the resulting Ng2 -M complexes, the Ng-M-Ng nanorod passes through the center of the B10- ring, providing them with an inverse sandwich-like structure. While in the singly Ng bound analogue, the Ng binding enthalpy Hb at 298 K ranges from 2.5 to 10.6 kcal mol-1 , in doubly Ng bound cases it becomes very low for the Ng2 M(c)B10- >Ng+NgM(c)B10- dissociation channel, except for the case of Rn, for which the corresponding Hb values are 3.4 (Nb) and 4.0 kcal mol-1 (Ta). For a given Ng, Ta has slightly higher Ng-binding ability than Nb. The corresponding free-energy changes indicate that these systems, particularly the Xe and Rn complexes, are good candidates for experimental realization in a low-temperature matrix. The Ng M bonds were found to be covalent in nature, as reflected in their large Wiberg bond indices, formation of a 2c-2e sigma orbital between Ng and M centers in natural bond orbital and adaptive natural density partitioning (AdNDP) analyses, and the short Ng-M distances. Energy decomposition analysis and a study on the natural orbitals for chemical valence show that the Ng-M contact is supported mainly by the orbital and electrostatic interactions, with almost equal contributions. Although both the Ng->M sigma donation and Ng<-M pi backdonation play roles in the origin of orbital interaction, the former is significantly dominant over the latter. Further, AdNDP analysis indicates that the doubly aromatic character (both sigma and pi) in MB10- clusters is not perturbed by the interaction with Ng atoms. PMID- 29226484 TI - Family conflict is associated with longitudinal changes in insular-striatal functional connectivity during adolescent risk taking under maternal influence. AB - Maternal presence has marked effects on adolescent neurocognition during risk taking, influencing teenagers to make safer decisions. However, it is currently unknown whether maternal buffering changes over the course of adolescence itself, and whether its effects are robust to individual differences in family relationship quality. In the current longitudinal study, 23 adolescents completed a risk-taking task under maternal presence during an fMRI scan before and after the transition to high school. Behavioral results reveal that adolescent risk taking increased under maternal presence across a one-year period. At the neural level, we found that adolescents reporting higher family conflict showed longitudinal increases in functional coupling between the anterior insula (AI) and ventral striatum (VS) when making safe decisions in the presence of their mother, which was associated with increased real-world risk taking. These findings show that individual differences in family relationship quality undermine effective development of AI-VS connectivity resulting in increased risk taking. PMID- 29226485 TI - Immunohistologic analysis of spontaneous recurrent laryngeal nerve reinnervation in a rat model. AB - OBJECTIVE: After recurrent laryngeal nerve injury (RLN), spontaneous reinnervation of the larynx occurs with input from multiple sources. The purpose of this study was to determine the timing and efficiency of reinnervation across a resected RLN segment in a rat model of RLN injury. STUDY DESIGN: Animal study. METHODS: Twelve male 60-day-old Sprague Dawley rats underwent resection of a 5-mm segment of the right RLN. Rats were sacrificed at 1, 2, 4, and 12 weeks after nerve injury to harvest the larynx and trachea for immunohistologic analysis. The distal RLN segment was stained with neurofilament, and axons were counted and compared to the nonoperated side. Thyroarytenoid (TA) muscles were stained with alpha-bungarotoxin, synaptophysin, and neurofilament to identify intact neuromuscular junctions (NMJ). The number of intact NMJs from the denervated side was compared to the nonoperated side. RESULTS: Nerve fibers regenerated across the resected RLN gap into the distal recurrent laryngeal nerve to innervate the TA muscle. The number of nerve fibers in the distal nerve segment increased over time and reached the normal number by 12 weeks postdenervation. Axons formed intact neuromuscular junctions in the TA, with 48.8% +/- 16.7% of the normal number of intact NMJs at 4 weeks and 88.3% +/- 30.1% of the normal number by 12 weeks. CONCLUSION: Following resection of an RLN segment in a rat model, nerve fibers spontaneously regenerate through the distal segment of the transected nerve and form intact NMJs in order to reinnervate the TA muscle. LEVEL OF EVIDENCE: NA. Laryngoscope, 128:E117-E122, 2018. PMID- 29226486 TI - Associations between and development of cool and hot executive functions across early childhood. AB - This study explored the development of cool and hot EF skills across early childhood. Children 4.5- to 5.5-years-old (N = 80) completed performance-based assessments of cool EF (inhibition and working memory), hot EF (affective decision-making and delay of gratification) at three time points across 12 months. Cool EF task performance was consistently correlated with early childhood, but hot EF task performance was not. Performance on cool EF tasks showed significant improvements over early childhood, but performance on hot EF tasks did not. During early childhood performance on delay of gratification and affective decision-making tasks may therefore be unrelated and show limited sensitivity to improvement. Statement of contribution What is already known about cool and hot EF An EF model has been proposed that distinguishes between cool cognitive and hot-affective skills. Findings regarding whether cool and hot EF are distinct in early childhood are mixed. Hot EF skills, compared to cool EF abilities, are thought to develop more gradually. What the present study adds to understanding of cool and hot EF Performance on cool EF tasks and hot delay of gratification were associated in early childhood. Performance on hot EF tasks was not related, meaning they do not tap the same underlying factor. Age related gains in hot EF were not found, but 5-year-olds had better hot EF than 4-year olds. PMID- 29226487 TI - Prenatal diagnostic testing and atypical chromosome abnormalities following combined first-trimester screening: implications for contingent models of non invasive prenatal testing. AB - OBJECTIVES: To investigate by means of a population-based analysis of a cohort of women who underwent combined first-trimester screening (CFTS), changes in uptake of invasive prenatal diagnosis according to risk of trisomy 21 (T21) on CFTS, and prevalence and methods for ascertainment of atypical chromosome abnormalities. METHODS: This was a retrospective cohort study using state-wide prenatal datasets from Victoria, Australia. A three-step approach was taken to analyze the data: (1) linkage of records between serum screening and diagnostic results; (2) comparison of rates of diagnostic testing according to CFTS T21 risk result category in a 2014-2015 cohort with those of a historical 2002-2004 cohort; (3) detailed analysis of atypical abnormalities in the 2014-2015 group according to CFTS T21 risk result, individual serum analyte level and other indications for invasive diagnostic testing. RESULTS: In 2014-2015, there were 100 418 CFTS results issued for 146 776 births (68.4%). The overall prevalence of atypical chromosome abnormalities in the entire CFTS cohort was 0.10% and was highest in those with CFTS T21 risk > 1 in 10 (4.6%), or serum analyte levels < 0.2 multiples of the median (MoM) (6.9% for pregnancy-associated plasma protein-A (PAPP-A) and 5.2% for beta-human chorionic gonadotropin (beta-hCG)). Almost half (49.2%) of women with PAPP-A < 0.2 MoM had a risk for T21 on CFTS of less than 1 in 100. The majority (55%) of atypical abnormalities occurred in women with CFTS T21 risk below 1 in 300, and were most commonly detected on ultrasound examination (47.1%). CONCLUSION: Concerns regarding missed diagnoses of atypical chromosome abnormalities when non-invasive prenatal testing is offered after a result of high risk on CFTS can be mitigated if invasive diagnostic testing is offered to those women with CFTS T21 risk of > 1 in 100, serum PAPP-A or beta-hCG < 0.2 MoM, or ultrasound-detected abnormality. This has implications for contingent models of screening. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29226488 TI - Rechargeable Aqueous Zinc-Ion Battery Based on Porous Framework Zinc Pyrovanadate Intercalation Cathode. AB - In this work, a microwave approach is developed to rapidly synthesize ultralong zinc pyrovanadate (Zn3 V2 O7 (OH)2 .2H2 O, ZVO) nanowires with a porous crystal framework. It is shown that our synthesis strategy can easily be extended to fabricate other metal pyrovanadate compounds. The zinc pyrovanadate nanowires show significantly improved electrochemical performance when used as intercalation cathode for aqueous zinc-ion battery. Specifically, the ZVO cathode delivers high capacities of 213 and 76 mA h g-1 at current densities of 50 and 3000 mA g-1 , respectively. Furthermore, the Zn//ZVO cells show good cycling stability up to 300 cycles. The estimated energy density of this Zn cell is ~214Wh kg-1 , which is much higher than commercial lead-acid batteries. Significant insight into the Zn-storage mechanism in the pyrovanadate cathodes is presented using multiple analytical methods. In addition, it is shown that our prototype device can power a 1.5 V temperature sensor for at least 24 h. PMID- 29226489 TI - Inhibitory effect of sulphated polysaccharide porphyran (isolated from Porphyra yezoensis) on RANKL-induced differentiation of RAW264.7 cells into osteoclasts. AB - Safe and efficient therapeutic agents for bone diseases are required in natural sources. We previously found that edible seaweed-derived polysaccharide porphyran exhibited anti-inflammatory effects through the down regulation of nuclear factor kappaB. The aim of this study was to investigate the availability of porphyran as a therapeutic agent for bone diseases. The effects of porphyran on receptor activator of nuclear factor kappaB ligand (RANKL)-induced osteoclastogenesis in RAW264.7 cells were examined. Porphyran suppressed RANKL-induced osteoclast formation in a concentration-dependent manner (6.25-50 MUg/ml) without any cytotoxic effects. Furthermore, real-time polymerase chain reaction analyses indicated that porphyran at 50 MUg/ml significantly attenuated the RANKL-induced increase in the mRNA levels of osteoclastogenesis-related marker genes such as nuclear factor of activated T cells, tartrate-resistant acid phosphatase, cathepsin K, and matrix metalloproteinase-9 in RAW264.7 cells. To our knowledge, this is the first report showing that edible-seaweed-derived polysaccharide porphyran can suppress RANKL-induced osteoclastogenesis. Our results suggest that porphyran can be used as a safe therapeutic agent to improve osteoclast-related pathological conditions. PMID- 29226490 TI - A Water-Processable and Bioactive Multivalent Graphene Nanoink for Highly Flexible Bioelectronic Films and Nanofibers. AB - The capabilities of conductive nanomaterials to be produced in liquid form with well-defined chemical, physical, and biological properties are highly important for the construction of next-generation flexible bioelectronic devices. Although functional graphene nanomaterials can serve as attractive liquid nanoink platforms for the fabrication of bioelectronics, scalable synthesis of graphene nanoink with an integration of high colloidal stability, water processability, electrochemical activity, and especially bioactivity remains a major challenge. Here, a facile and scalable synthesis of supramolecular-functionalized multivalent graphene nanoink (mGN-ink) via [2+1] nitrene cycloaddition is reported. The mGN-ink unambiguously displays a well-defined and flat 2D morphology and shows good water processability and bioactivity. The uniquely chemical, physical, and biological properties of mGN-ink endow the constructed bioelectronic films and nanofibers with high flexibility and durability, suitable conductivity and electrochemical activity, and most importantly, good cellular compatibility and a highly efficient control of stem-cell spreading and orientation. Overall, for the first time, a water-processable and bioactive mGN ink is developed for the design of flexible and electrochemically active bioelectronic composites and devices, which not only presents manifold possibilities for electronic-cellular applications but also establishes a new pathway for adapting macroscopic usages of graphene nanomaterials in bionic, biomedical, electronic, and even energy fields. PMID- 29226492 TI - Molecular mechanisms underlying monosynaptic sensory-motor circuit development in the spinal cord. AB - Motor behaviors are precisely controlled by the integration of sensory and motor systems in the central nervous system (CNS). Proprioceptive sensory neurons, key components of the sensory system, are located in the dorsal root ganglia and project axons both centrally to the spinal cord and peripherally to muscles and tendons, communicating peripheral information about the body to the CNS. Changes in muscle length detected by muscle spindles, and tension variations in tendons conveyed by Golgi tendon organs, are communicated to the CNS through group Ia /II, and Ib proprioceptive sensory afferents, respectively. Group Ib proprioceptive sensory neurons connect with motor neurons indirectly through spinal interneurons, whereas group Ia/II axons form both direct (monosynaptic) and indirect connections with motor neurons. Although monosynaptic sensory-motor circuits between spindle proprioceptive sensory neurons and motor neurons have been extensively studied since 1950s, the molecular mechanisms underlying their formation and upkeep have only recently begun to be understood. We will discuss our current understanding of the molecular foundation of monosynaptic circuit development and maintenance involving proprioceptive sensory neurons and motor neurons in the mammalian spinal cord. Developmental Dynamics 247:581-587, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226494 TI - How does routinely delivered cognitive-behavioural therapy for gambling disorder compare to "gold standard" clinical trial? AB - Currently, it is unknown whether treatment outcomes derived from randomized controlled trials (RCTs) of cognitive-behavioural therapy (CBT) for problem gamblers still hold when applied to patients seen in routine practice. Thus, data from an RCT of cognitive therapy versus exposure therapy for problem gambling versus patients of a gambling help service were compared. Assessments of problem gambling severity, psychosocial impairment, and alcohol use were undertaken at baseline and post-treatment and evaluated within a counterfactual framework. Findings showed that the contrast between routine CBT for pokies and horse betting had a significant effect, indicative of a 62% lower gambling urge score if routine CBT recipients had all been horse/track betters opposed to gambling with "pokies." However, the majority of contrasts indicated therapeutic outcomes achieved in routine CBT treatments were of equivalent robustness relative to RCT conditions. The present findings infer routine practice treatment outcomes are as efficacious as those generated in RCT contexts. PMID- 29226493 TI - A prospective study comparing perioperative anxiety and posthospital behavior in children with autism spectrum disorder vs typically developing children undergoing outpatient surgery. AB - BACKGROUND: Research describing the experience of youth with autism spectrum disorders in the perioperative setting is limited. This study compared youth with autism spectrum disorder to typically developing children in the perioperative setting and examined group differences in: child anxiety, parent anxiety, premedication patterns, induction compliance, and changes in behavior postprocedure. METHODS: Participants were 60 youth (32 with autism spectrum disorder, 28 typically developing) of ages 2-19 years undergoing outpatient surgery and their parents. Parents and research assistants rated children's anxiety at 3 time points (waiting room, preoperative holding, separation), and parents rated their own anxiety in the waiting room and at separation. The anesthesiologist rated induction compliance. Postprocedure behavior change was assessed via phone survey 1 and 7 days postprocedure. Analyses examined group differences in anxiety, medication patterns, and behavior. RESULTS: Children with autism spectrum disorder had higher research assistant reported anxiety than typically developing youth in the holding room only. There were no group differences in parent report of their own anxiety or their child's anxiety across time points. Compared to typically developing youth, children with autism spectrum disorder were more likely to receive a premedication (including nonstandard premedication), and had poorer induction compliance. Groups did not differ on posthospital behavior change 1 or 7 days postsurgery. CONCLUSION: Findings revealed ratings of anxiety in youth with and without autism spectrum disorder facing surgery varied by reporter and setting, highlighting the importance of using multiple reporters in research of youth with autism spectrum disorder in the perioperative period. Furthermore, while results showed group differences in premedication patterns and induction compliance, groups did not differ in level of negative behavior change after surgery. Future research can examine how individual differences in youth with autism impact anxiety in the perioperative setting and degree of behavior change postprocedure. PMID- 29226495 TI - Forgetting to remember? Prospective memory within the context of pain. AB - BACKGROUND: Pain interferes with cognitive functioning in several ways. Among other symptoms, pain patients often report difficulties with remembering future intentions. It remains unclear, however, whether it is the pain per se that impairs prospective remembering or other factors that often characterize people with pain (e.g. poor sleep quality). In this experiment, we investigated whether prospective memory is impaired within the context of pain, and whether this impairment is enhanced when the threat value of pain is increased. METHODS: Healthy participants engaged in an ongoing word categorization task, during which they received either experimental pain stimuli (with or without threatening instructions designed to increase the threat value of pain), or no pain stimuli (no somatic stimuli and no threatening instructions). Crucially, participants were also instructed to perform a prospective memory intention on future moments that would be signalled by specific retrieval cues. RESULTS: Threatening instructions did not differentiate the pain groups in terms of pain threat value; therefore, we only focus on the difference between pain and no pain. Pain and no pain groups performed the prospective memory intention with similar frequency, indicating that prospective memory is not necessarily impaired when the intended action has to be performed in a painful context. CONCLUSIONS: Findings are discussed in the framework of the multiprocess theory of prospective memory, which differentiates between the spontaneous and the strategic retrieval of intentions. Methodological considerations and suggestions for future research are discussed. SIGNIFICANCE: This laboratory study combines established methods from two research fields to investigate the effects of a painful context on memory for future intentions. Painful context did not impair performance of a prospective memory intention that is assumed to be retrieved by means of spontaneous processing. PMID- 29226491 TI - Predictors and outcomes of heart failure with mid-range ejection fraction. AB - AIMS: While heart failure with preserved (HFpEF) and reduced ejection fraction (HFrEF) are well described, determinants and outcomes of heart failure with mid range ejection fraction (HFmrEF) remain unclear. We sought to examine clinical and biochemical predictors of incident HFmrEF in the community. METHODS AND RESULTS: We pooled data from four community-based longitudinal cohorts, with ascertainment of new heart failure (HF) classified into HFmrEF [ejection fraction (EF) 41-49%], HFpEF (EF >=50%), and HFrEF (EF <=40%). Predictors of incident HF subtypes were assessed using multivariable Cox models. Among 28 820 participants free of HF followed for a median of 12 years, there were 200 new HFmrEF cases, compared with 811 HFpEF and 1048 HFrEF. Clinical predictors of HFmrEF included age, male sex, systolic blood pressure, diabetes mellitus, and prior myocardial infarction (multivariable adjusted P <= 0.003 for all). Biomarkers that predicted HFmrEF included natriuretic peptides, cystatin-C, and high-sensitivity troponin (P <= 0.0004 for all). Natriuretic peptides were stronger predictors of HFrEF [hazard ratio (HR) 2.00 per 1 standard deviation increase, 95% confidence interval (CI) 1.81-2.20] than of HFmrEF (HR 1.51, 95% CI 1.20-1.90, P = 0.01 for difference), and did not differ in their association with incident HFmrEF and HFpEF (HR 1.56, 95% CI 1.41-1.73, P = 0.68 for difference). All-cause mortality following the onset of HFmrEF was worse than that of HFpEF (50 vs. 39 events per 1000 person-years, P = 0.02), but comparable to that of HFrEF (46 events per 1000 person-years, P = 0.78). CONCLUSIONS: We found overlap in predictors of incident HFmrEF with other HF subtypes. In contrast, mortality risk after HFmrEF was worse than HFpEF, and similar to HFrEF. PMID- 29226496 TI - Long-term in situ persistence of biodiversity in tropical sky islands revealed by landscape genomics. AB - Tropical mountains are areas of high species richness and endemism. Two historical phenomena may have contributed to this: (i) fragmentation and isolation of habitats may have promoted the genetic differentiation of populations and increased the possibility of allopatric divergence and speciation and (ii) the mountain areas may have allowed long-term population persistence during global climate fluctuations. These two phenomena have been studied using either species occurrence data or estimating species divergence times. However, only few studies have used intraspecific genetic data to analyse the mechanisms by which endemism may emerge at the microevolutionary scale. Here, we use landscape analysis of genomic SNP data sampled from two high-elevation plant species from an archipelago of tropical sky islands (the Trans-Mexican Volcanic Belt) to test for population genetic differentiation, synchronous demographic changes and habitat persistence. We show that genetic differentiation can be explained by the degree of glacial habitat connectivity among mountains and that mountains have facilitated the persistence of populations throughout glacial/interglacial cycles. Our results support the ongoing role of tropical mountains as cradles for biodiversity by uncovering cryptic differentiation and limits to gene flow. PMID- 29226498 TI - Dicarboxylic Acid Separation by Dynamic and Size-Matched Recognition in Solution and in the Solid State. AB - Bis(trimethylammonium) alkane diiodides dynamically encapsulate dicarboxylic acids through intermolecular hydrogen bonds between the I- anions of the hosts and the carboxylic OH groups of the guests. A selective recognition is realized when the size of the I- ???HOOC(CH2 /CF2 )n COOH???I- superanion matches the dication alkyl chain length. Dynamic recognition is also demonstrated in solution, where the presence of the size-matching organic salt boosts the acid solubility profile, thus allowing efficient mixture separation. PMID- 29226497 TI - Similar outcome of allogeneic stem cell transplantation after myeloablative and sequential conditioning regimen in patients with refractory or relapsed acute myeloid leukemia: A study from the Societe Francophone de Greffe de Moelle et de Therapie Cellulaire. AB - Patients with acute myeloid leukemia (AML) in relapse or refractory to induction therapy have a dismal prognosis. Allogeneic hematopoietic stem cell transplantation is the only curative option. In these patients, we aimed to compare the results of a myeloablative transplant versus a sequential approach consisting in a cytoreductive chemotherapy followed by a reduced intensity conditioning regimen and prophylactic donor lymphocytes infusions. We retrospectively analyzed 99 patients aged 18-50 years, transplanted for a refractory (52%) or a relapsed AML not in remission (48%). Fifty-eight patients received a sequential approach and 41 patients a myeloablative conditioning regimen. Only 6 patients received prophylactic donor lymphocytes infusions. With a median follow-up of 48 months, 2-year overall survival was 39%, 95% confidence interval (CI) (24-53) in the myeloablative group versus 33%, 95% CI (21-45) in the sequential groups (P = .39), and 2-year cumulative incidence of relapse (CIR) was 57% versus 50% respectively (P = .99). Nonrelapse mortality was not higher in the myeloablative group (17% versus 15%, P = .44). In multivariate analysis, overall survival, CIR and nonrelapse mortality remained similar between the two groups. However, in multivariate analysis, sequential conditioning led to fewer acute grade II-IV graft versus host disease (GVHD) (HR for sequential approach = 0.37; 95% CI: 0.21-0.65; P < .001) without a significant impact on chronic GVHD (all grades and extensive). In young patients with refractory or relapsed AML, myeloablative transplant and sequential approach offer similar outcomes except for a lower incidence of acute GvHD after a sequential transplant. PMID- 29226499 TI - Thioketone-Directed Palladium(II)-Catalyzed C-H Arylation of Ferrocenes with Aryl Boronic Acids. AB - A palladium(II)-catalyzed thioketone-chelation-assisted direct C-H arylation of ferrocenes is described. With thioketone as an efficient directing group, various monoaryl- and diaryl-substituted thiocarbonylferrocenes were obtained by palladium-catalyzed direct C-H functionalization in high yields under mild and base-free reaction conditions. Furthermore, the arylated thiocarbonylferrocene could undergo diverse transformations. PMID- 29226500 TI - Anti-inflammatory effects of propranolol in the temporomandibular joint of female rats and its contribution to antinociceptive action. AB - BACKGROUND: beta-Blockers reduce temporomandibular joint (TMJ) pain. We asked whether they also reduce TMJ inflammation and, if so, whether this anti inflammatory effect contributes to its analgesic action. METHODS: We measured many parameters of the inflammatory response after co-administration of the beta blocker propranolol with the inflammatory agent carrageenan in the TMJ of female rats. We also hypothesized that the activation of beta-adrenoceptors in the TMJ induces nociception mediated, at least in part, by the inflammatory response. To test this hypothesis, we examined the nociceptive response induced by the activation of the beta-adrenoceptors in the TMJ in female rats pretreated with thalidomide and fucoidan. RESULTS: We found that the co-administration of propranolol with carrageenan in the TMJ of female rats significantly reduced several parameters of the inflammatory response induced by carrageenan such as plasma extravasation, neutrophil migration and the release of the pro inflammatory cytokines TNF-alpha, IL-1beta and CINC-1. Furthermore, the injection of the beta-adrenergic receptor agonist isoproterenol in the TMJ induced nociception that was significantly reduced by thalidomide, fucoidan and by the co administration of propranolol but not of the alpha-adrenergic receptor antagonist phentolamine. CONCLUSIONS: Propranolol has anti-inflammatory effects that contribute to its antinociceptive action in the TMJ of females. SIGNIFICANCE: beta-Blockers have an anti-inflammatory effect on temporomandibular joint (TMJ) that contributes to its analgesic effect. The results of this work suggest that beta-blockers can be used to treat the painful conditions of TMJ, especially when they are associated with an inflammatory process. PMID- 29226501 TI - Drop-On-Drop Multimaterial 3D Bioprinting Realized by Peroxidase-Mediated Cross Linking. AB - A cytocompatible inkjet bioprinting approach that enables the use of a variety of bioinks to produce hydrogels with a wide range of characteristics is developed. Stabilization of bioinks is caused by horseradish peroxidase (HRP)-catalyzed cross-linking consuming hydrogen peroxide (H2 O2 ). 3D cell-laden hydrogels are fabricated by the sequential dropping of a bioink containing polymer(s) cross linkable through the enzymatic reaction and H2 O2 onto droplets of another bioink containing the polymer, HRP, and cells. The ~95% viability of enclosed mouse fibroblasts and subsequent elongation of the cells in a bioprinted hydrogel consisting of gelatin and hyaluronic acid derivatives suggest the high cytocompatibility of the developed printing approach. The existence of numerous polymers, including derivatives of polysaccharides, proteins, and synthetic polymers, cross-linkable through the HRP-catalyzed reaction, means the current approach shows great promise for biofabrication of functional and structurally complex tissues. PMID- 29226502 TI - S-R difference in V1-V2 is a novel criterion for differentiating the left from right ventricular outflow tract arrhythmias. AB - AIM: The correct estimation of the VA origin as RVOT or LVOT results in reduced ablation duration reduced radiation exposure and decreased number of vascular access. In our study, we aimed to detect the predictive value of S-R difference in V1-V2 for differentiating the left from right ventricular outflow tract arrhythmias. METHODS: We included 123 patients with symptomatic frequent premature ventricular outflow tract contractions who underwent successful catheter ablation (70 male, 53 female; mean age 46.2 +/- 13.9 years, 61 RVOT, 62 LVOT origins). S-R difference in V1-V2 was calculated with this formula on the 12 lead surface ECG: (V1S + V2S) - (V1R + V2R). Conventional ablation was performed in 101 (82.1%) patients, CARTO electroanatomic mapping system was used in 22 (17.9%) patients. RESULTS: V1-2 SRd was found to be significantly lower for LVOT origins than RVOT origins (p < .001). The cutoff value of V1-2 SRd obtained by ROC curve analysis was 1.625 mV for prediction of RVOT origin (sensitivity: 95.1%, specificity: 85.5%, positive predictive value: 86.5%, negative predictive value: 94.5%). The area under the curve (AUC) was 0.929 (p < .001). CONCLUSION: S R difference in V1-V2 is a novel and simple electrocardiographic criterion for accurately differentiating RVOT from LVOT sites of ventricular arrhythmia origins. The use of this simple ECG measurement could improve the accuracy of OTVA localization, could be beneficial for decreasing ablation duration and radiation exposure. Further studies with larger patient population are needed to verify the results of this study. PMID- 29226503 TI - Development, characterization, and evaluation of sunscreen cream containing solid lipid nanoparticles of silymarin. AB - BACKGROUND: Most of the sunscreen formulations mainly contain chemicals or synthetic molecules. Nowadays, researchers are mainly focussing on herbal formulations due to toxicity of the synthetic molecules. Silymarin is a natural flavonoids having excellent antioxidant properties. Solid lipid nanoparticles are novel drug carriers which improve the drug stability and tolerance effect and also enhance the permeation effect. AIMS: This study aimed at the preparation of solid lipid nanoparticles containing silymarin that will be incorporated into a sunscreen cream and determine its sun protection factor. METHODS: The solid lipid nanoparticles were prepared by micro-emulsion method; here, the glyceryl monostearate was used as lipid, and Tween 80 was used as an emulsifier. The solid lipid nanoparticles were evaluated for drug entrapment, particle size and morphology, zeta potential, and polydispersity index. The dispersion was formulated into sunscreen cream and evaluated for various parameters, such as extrudability, viscosity, spreadability, drug content, in vitro drug release, ex vivo permeation of drug, in vitro and in vivo sun protection factor determination, in vivo skin irritation test, and accelerated stability studies. RESULTS: The results suggested that as the concentration of emulsifier increased, the entrapment efficiency of silymarin increased. In vitro and in vivo sun protection factor determination showed that SPF of 13.80 and 14.1, respectively. Stability studies were performed under accelerated conditions, and it did not show any appreciable change in parameters. CONCLUSION: These results indicated that the sunscreen containing silymarin solid lipid nanoparticles exhibited better photoprotective action. PMID- 29226504 TI - Metacognitive beliefs as a predictor of health anxiety in a self-reporting Italian clinical sample. AB - Research has supported the specific role that anxiety sensitivity, health-related dysfunctional beliefs, and metacognitive beliefs may play in the development and maintenance of health anxiety symptoms. However, the role of metacognitive beliefs in health anxiety has only been explored in analogue samples. The aim of this study was to explore for the first time the association between metacognitive beliefs and health anxiety symptoms in a sample of participants who reported having received a diagnosis of severe health anxiety (hypochondriasis) or illness anxiety disorder and test whether these beliefs are significant predictors of health anxiety after controlling for anxiety, depression, anxiety sensitivity, and dysfunctional beliefs. A series of dimensional self-report measures were administered to a large Italian sample (N = 458). At a bivariate level, Beliefs that Thoughts are Uncontrollable had a stronger association with health anxiety than any of the dysfunctional beliefs and anxiety sensitivity subscales. Results from hierarchical multiple regression analysis indicated that Beliefs that Thoughts are Uncontrollable predicted health anxiety symptoms over and-above depression, general anxiety, anxiety sensitivity, and health-related dysfunctional beliefs. Despite many important limitations, this study supported the hypothesis that metacognition may have an important role in health anxiety in clinical samples. PMID- 29226505 TI - Evaluating the Association between Enlarged Perivascular Spaces and Disease Worsening in Multiple Sclerosis. AB - BACKGROUND AND PURPOSE: Enlarged perivascular spaces (EPVSs) have been associated with relapses and brain atrophy in multiple sclerosis (MS). We investigated the association of EPVS with clinical and MRI features of disease worsening in a well characterized cohort of relapsing-remitting MS patients prospectively followed for up to 10 years. METHODS: Baseline EPVSs were scored on 1.5T MRI in 30 converters to moderate-severe disability, and 30 nonconverters matched for baseline characteristics. RESULTS: EPVS scores were not significantly different between converters and nonconverters, nor associated with accrual of lesions or brain atrophy. CONCLUSIONS: Our preliminary findings from a relatively small study sample argue against a potential use of EPVS as early indicator of risk for disease worsening in relapsing-remitting MS patients in a clinical setting. Although the small sample size and clinical 1.5T MRI may have limited our ability to detect a significant effect, we provided estimates of the association of EPVS with clinical and MRI indicators of disease worsening in a well-characterized cohort of MS patients. PMID- 29226506 TI - Optimizing hemodynamics of transcatheter aortic valve-in-valve implantation in 19 mm surgical aortic prostheses. AB - OBJECTIVE: To demonstrate the feasibility of achieving good hemodynamic results with valve-in-valve transcatheter aortic valve replacement (ViV TAVR) for degenerated 19 mm surgical bioprosthetic valves. BACKGROUND: Considerable controversy exists regarding ViV TAVR within 19mm surgical prostheses due to concerns of elevated valve gradients and mortality. METHODS: Among all patient undergoing ViV TAVR between 7/2016 and 4/2017 for symptomatic severe bioprosthetic aortic stenosis (AS), five had a 19 mm surgical valve in place and were included in this publication. None of the patients had patient-prosthesis mismatch. Aggressive post-dilation was performed in four out of five cases using a special technique we describe below. RESULTS: In all cases, mean aortic valve (AV) gradients significantly improved post-ViV TAVR, particularly after post dilation. Interestingly, high pressure post-dilation of the ViV resulted in an increase in the diameter of surgical valve stent frame dimensions in nearly all patients who underwent post-dilation. CONCLUSIONS: Good hemodynamic outcome is possible with aggressive post-dilation in patients with 19 mm failed surgical bioprostheses. High-risk patients with 19 mm failed surgical prostheses who do not otherwise have viable surgical options should be considered for ViV TAVR. PMID- 29226507 TI - Age is a predictor of a small decrease in lung function in children with sickle cell anemia. AB - The longitudinal pattern of lung function in children with sickle cell anemia (SCA) has shown a decrease in FEV1 % predicted, a risk factor for death in adults with SCA, but predictors for this decline are poorly characterized. In a prospective longitudinal multi-center cohort of children with SCA, we tested the hypotheses that: (1) FEV1 % predicted declines over time; and (2) SCA-specific characteristics and therapy predict this decline. At three clinical centers, children with SCA (HbSS or HbSbeta0 thalassemia), unselected for respiratory disease, were enrolled in the Sleep and Asthma Cohort (SAC) study. Study certified pulmonary function technicians performed spirometry and lung volumes. Each assessment was reviewed centrally. Predicted values were determined for TLC, FEV1 , FVC, and FEV1 /FVC ratio. A total of 197 participants, mean age 11.0 years at first testing (range 4-19.3 years), had a minimum of three spirometry measurements, over an average of 4.4 years (range 1.1-6.5 years) from baseline to endpoint. In a multivariable model, FEV1 % predicted declines by 0.3% for every additional year of age (95% CI -0.56 to -0.05, P = .020). Sex, asthma history, hemoglobin, reticulocyte count, white blood cell count, incidence rate of severe acute pain and acute chest syndrome episodes, and hydroxyurea therapy were not associated with a decline in FEV1 % predicted. In a large, rigorously evaluated, prospective cohort of an unselected group of children with SCA, FEV1 % predicted declines minimally over an average of 4 years, and none of the examined disease features predict the decline. PMID- 29226508 TI - Glucose homeostasis in two degrees of sepsis lethality induced by caecum ligation and puncture in mice. AB - Sepsis is associated with high mortality. Both critically ill humans and animal models of sepsis exhibit changes in their glucose homeostasis, that is, hypoglycaemia, with the progression of infection. However, the relationship between basal glycaemia, glucose tolerance and insulin sensitivity is not well understood. Thus, we aimed to evaluate this glucose homeostasis triad at the late stage of sepsis (24 h after surgery) in male Swiss mice subjected to lethal and sublethal sepsis by the caecal ligation and puncture (CLP) model. The percentage of survival 24 h after CLP procedure in the Lethal and Sublethal groups was around 66% and 100% respectively. Both Lethal and Sublethal groups became hypoglycaemic in fasting and fed states 24 h after surgery. The pronounced fed hypoglycaemia in the Lethal group was not due to worsening anorexic behaviour or hepatic inability to deliver glucose in relation to the Sublethal group. Reduction in insulin sensitivity in CLP mice occurred in a lethality-dependent manner and was not associated with glucose intolerance. Analysis of oral and intraperitoneal glucose tolerance tests, as well as the gastrointestinal motility data, indicated that CLP mice had reduced intestinal glucose absorption. Altogether, we suggest cessation of appetite and intestinal glucose malabsorption are key contributors to the hypoglycaemic state observed during experimental severe sepsis. PMID- 29226509 TI - Biomimetic electrospun coatings increase the in vivo sensitivity of implantable glucose biosensors. AB - In vivo tissue responses and functional efficacy of electrospun membranes based on polyurethane (PU) and gelatin (GE) as biomimetic coatings for implantable glucose biosensors was investigated in a rat subcutaneous implantation model. Three electrospun membranes with optimized fiber diameters, pore sizes, and permeability, both single PU and coaxial PU-GE fibers and a solvent cast PU film were implanted in rats to evaluate tissue responses. For functional efficacy testing, four sensor variants coated with the above mentioned electrospun membranes as mass-transport limiting and outermost biomimetic coatings were implanted in rats. The electrospun PU membranes had micron sized pores that were not permeable to host cells when implanted in the body. However, PU-GE coaxial fiber membranes, having similar sized pores, were infiltrated with fibroblasts that deposited collagen in the membrane's pores. Such tissue response prevented the formation of dense fibrous capsule around the sensor coated with the PU-GE coaxial fiber membranes, which helped improve the in vivo sensitivity for at least 3 weeks compared to the traditional sensors in rat subcutaneous tissue. Furthermore, the better in vitro sensor's sensitivity due to electrospun PU as the mass-transport limiting membrane translated to better in vivo sensitivity. Thus, this study showed that electrospun membranes can play an important role in realizing long in vivo sensing lifetime of implantable glucose biosensors. (c) 2017 The Authors Journal of Biomedical Materials Research Part A Published by Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1072-1081, 2018. PMID- 29226510 TI - Authors' reply re: Inositol treatment of anovulation in women with polycystic ovary syndrome: a meta-analysis of randomised trials. PMID- 29226511 TI - Differentiation of isomeric methylanilines by imidization and gas chromatography/mass spectrometry analysis. AB - RATIONALE: Carcinogenic o-methylaniline is one of the banned aromatic amines in azo dyes, but it is very difficult to distinguish it from its noncarcinogenic isomers due to their identical retention time on chromatography and similar mass spectra. METHODS: Imidization of the isomeric methylanilines was carried out by treatment with benzaldehyde under mild conditions. The formed derivatives were analyzed by gas chromatography/mass spectrometry (GC/MS). Theoretical calculations were carried out on the Gaussian 03 program by using the density functional theory method at the B3LYP/6-311+G(d,p) level. RESULTS: Imidization of methylanilines occurred easily and gave rise to the corresponding N methylbenzylidene benzenamines. The isomeric derivatives were completely separated by GC, and thus the three isomeric methylanilines could be determined simultaneously. Due to the ortho effect, the derivative from o-methylaniline has a characteristic fragment ion at m/z 118 with a stable bicyclic structure, and it could be easily differentiated from the meta- and para-isomers in electron ionization mass spectrometry. CONCLUSIONS: These results provided a promising solution for simultaneous determination of isomeric methylanilines. PMID- 29226512 TI - Diagnosis of vertical root fractures in endodontically treated teeth utilising Digital Subtraction Radiography: A case series report. AB - Vertical root fractures are commonly associated with root-filled teeth. Diagnosis is challenging because the clinical signs are not completely pathognomonic, and conventional periapical radiography is often unreliable. Digital subtraction radiography (DSR) is able to detect small radiographic changes between two successive radiographs by subtracting out consistent radiographic elements. Its use could possibly assist in the diagnostic procedure. Four cases are presented to demonstrate the potential use of DSR in the detection of vertical root fractures in endodontically treated teeth. After the digital subtractions had been carried out, a dark line in the body of the roots was distinguishable, raising the possibility of the presence of a vertical root fracture. The use of contrast enhancement and pseudocolouring techniques assisted with the diagnosis of vertical root fractures. DSR proved to be a useful diagnostic tool for the detection of vertical root fractures in these four clinical cases. PMID- 29226513 TI - Consolidation of vocabulary is associated with sleep in typically developing children, but not in children with dyslexia. AB - Sleep is known to play an active role in consolidating new vocabulary in adults; however, the mechanisms by which sleep promotes vocabulary consolidation in childhood are less well understood. Furthermore, there has been no investigation into whether previously reported differences in sleep architecture might account for variability in vocabulary consolidation in children with dyslexia. Twenty three children with dyslexia and 29 age-matched typically developing peers were exposed to 16 novel spoken words. Typically developing children showed overnight improvements in novel word recall; the size of the improvement correlated positively with slow wave activity, similar to previous findings with adults. Children with dyslexia showed poorer recall of the novel words overall, but nevertheless showed overnight improvements similar to age-matched peers. However, comparisons with younger children matched on initial levels of novel word recall pointed to reduced consolidation in dyslexics after 1 week. Crucially, there were no significant correlations between overnight consolidation and sleep parameters in the dyslexic group. This suggests a reduced role of sleep in vocabulary consolidation in dyslexia, possibly as a consequence of lower levels of learning prior to sleep, and highlights how models of sleep-associated memory consolidation can be usefully informed by data from typical and atypical development. PMID- 29226514 TI - Hospital admission in children and adolescents with or without type 1 diabetes from Germany: An analysis of statutory health insurance data on 12 million subjects. AB - OBJECTIVE: To compare the chance of hospital admissions in children and adolescents with type 1 diabetes (T1D) to that without T1D from Germany. METHODS: Data were provided by the German information system for health care data which contains information on all patients with a statutory health insurance. The years 2009 and 2011 were considered. Children and adolescents (0 to <=19 years of age; n = 12 030 242) were included. Unadjusted odds ratios (ORs) with 95% confidence interval (95% CI) were used to compare the hospitalization rate for patients with (n = 26 444) or without T1D (12 003 798). T1D was identified by documented insulin treatment and by ICD-code E10/14. Results were stratified by age-group (0 5; >5-10; >10-15, >15-19 years) and gender. RESULTS: In all age-groups, the hospitalization chance in patients with T1D was higher compared to that of their peers (database 2011). The highest OR was observed in >5 to 10-year-old patients (OR 8.1; 95% CI: 7.7-8.5), followed by patients >10 to 15 years (OR 7.4; 95% CI: 7.1-7.7) and patients <=5 years (OR 5.3; 95% CI: 4.8-5.7). The lowest OR was present in patients >15 to 19 years (OR 4.0; 95% CI: 3.9-4.2). Overall, OR for hospital admission were higher in girls with T1D compared to boys. The most frequent reasons for hospitalization in T1D were "T1D without complications" (68.4%) and "T1D with ketoacidosis" (18.6%). CONCLUSIONS: Children and adolescents with T1D in Germany had a 4 to 8 times higher hospitalization chance compared to children without T1D. The OR in T1D patients compared to peers were higher in girls than in boys. High rates of elective hospital admission in Germany may contribute to these results. PMID- 29226515 TI - Surface Strain Redistribution on Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors. AB - Fiber-shaped stretchable strain sensors with small testing areas can be directly woven into textiles. This paves the way for the design of integrated wearable devices capable of obtaining real-time mechanical feedback for various applications. However, for a simple fiber that undergoes uniform strain distribution during deformation, it is still a big challenge to obtain high sensitivity. Herein, a new strategy, surface strain redistribution, is reported to significantly enhance the sensitivity of fiber-shaped stretchable strain sensors. A new method of transient thermal curing is used to achieve the large scale fabrication of modified elastic microfibers with intrinsic microbeads. The proposed strategy is independent of the active materials utilized and can be universally applied for various active materials. The strategy used here will shift the vision of the sensitivity enhancement method from the active materials design to the mechanical design of the elastic substrate, and the proposed strategy can also be applied to nonfiber-shaped stretchable strain sensors. PMID- 29226516 TI - SOST, an LNGFR target, inhibits the osteogenic differentiation of rat ectomesenchymal stem cells. AB - OBJECTIVES: The aim of this study was to investigate whether sclerostin (SOST) regulates the osteogenic differentiation of rat ectomesenchymal stem cells (EMSCs) and whether SOST and low-affinity nerve growth factor receptor (LNGFR) regulate the osteogenic differentiation of EMSCs. MATERIALS AND METHODS: EMSCs were isolated from embryonic facial processes from an embryonic 12.5-day (E12.5d) pregnant Sprague-Dawley rat. LNGFR+ EMSCs and LNGFR- EMSCs were obtained by fluorescence-activated cell sorting and were subsequently induced to undergo osteogenic differentiation in vitro. SOST/LNGFR small-interfering RNAs and SOST/LNGFR overexpression plasmids were used to transfect EMSCs. RESULTS: LNGFR+ EMSCs displayed a higher osteogenic capacity and lower SOST levels compared with LNGFR- EMSCs. SOST silencing enhanced the osteogenic differentiation of LNGFR- EMSCs, while SOST overexpression attenuated the osteogenic differentiation of LNGFR+ EMSCs. Moreover, LNGFR was present upstream of SOST and strengthened the osteogenic differentiation of EMSCs by decreasing SOST. CONCLUSIONS: SOST alleviated the osteogenic differentiation of EMSCs, and LNGFR enhanced the osteogenic differentiation of EMSCs by decreasing SOST, suggesting that the LNGFR/SOST pathway may be a novel target for promoting dental tissue regeneration and engineering. PMID- 29226517 TI - Natural selection beyond genes: Identification and analyses of evolutionarily conserved elements in the genome of the collared flycatcher (Ficedula albicollis). AB - It is becoming increasingly clear that a significant proportion of the functional sequence within eukaryotic genomes is noncoding. However, since the identification of conserved elements (CEs) has been restricted to a limited number of model organisms, the dynamics and evolutionary character of the genomic landscape of conserved, and hence likely functional, sequence is poorly understood in most species. Moreover, identification and analysis of the full suite of functional sequence are particularly important for the understanding of the genetic basis of trait loci identified in genome scans or quantitative trait locus mapping efforts. We report that ~6.6% of the collared flycatcher genome (74.0 Mb) is spanned by ~1.28 million CEs, a higher proportion of the genome but a lower total amount of conserved sequence than has been reported in mammals. We identified >200,000 CEs specific to either the archosaur, avian, neoavian or passeridan lineages, constituting candidates for lineage-specific adaptations. Importantly, no less than ~71% of CE sites were nonexonic (52.6 Mb), and conserved nonexonic sequence density was negatively correlated with functional exonic density at local genomic scales. Additionally, nucleotide diversity was strongly reduced at nonexonic conserved sites (0.00153) relative to intergenic nonconserved sites (0.00427). By integrating deep transcriptome sequencing and additional genome annotation, we identified novel protein-coding genes, long noncoding RNA genes and transposon-derived (exapted) CEs. The approach taken here based on the use of a progressive cactus whole-genome alignment to identify CEs should be readily applicable to nonmodel organisms in general and help to reveal the rich repertoire of putatively functional noncoding sequence as targets for selection. PMID- 29226518 TI - Acceptability and benefit of rectal irrigation in patients with Low Anterior Resection Syndrome: a qualitative study. AB - AIM: Low Anterior Resection Syndrome (LARS) following rectal cancer surgery impairs the patient's quality of life (QoL). Rectal Irrigation has been demonstrated to be effective for anterior resection syndrome but many surgeons do not suggest it as a treatment. This feasibility study aimed to explore treatment acceptability and the benefit of rectal irrigation in patients who developed LARS following an anterior resection for rectal cancer. METHODS: This was a qualitative study, involving semi-structured interviews. Twenty-one patients diagnosed with LARS following anterior resection for rectal cancer in a single tertiary centre were offered rectal irrigation as a treatment option. Qualitative interviews (n=17) were conducted at baseline to explore patient reported impact of LARS on QoL, treatment acceptability and factors influencing the decision to accept/decline treatment. Follow up interviews were carried out at six months for the treatment group only (n=12), to assess its practicality and impact on QoL. RESULTS: Qualitative interview findings suggest rectal irrigation is an acceptable method of treatment for LARS. Participants who perceived their symptoms to be more severe or poorly controlled were most likely to consider rectal irrigation as a treatment option. The patients who completed treatment reported improvements in their QoL, the ability to control the time of defaecation being the key benefit CONCLUSION: Clinicians should consider offering rectal irrigation as a treatment option to patients presenting with bowel dysfunction following anterior resection as it can improve symptoms. Patients who perceive that their symptoms are severe are more likely to consider treatment. This article is protected by copyright. All rights reserved. PMID- 29226519 TI - Cripto stabilizes GRP78 on the cell membrane. AB - The ER resident chaperone molecule GRP78 has been shown to translocate to the cell surface where it associates with Cripto and signals cell growth, playing a still partially understood role in tumorigenesis. Consequently, a better understanding of GRP78 topology and structure at the surface of cancer cells represents an important step in the development of a new class of therapeutics. Here, we used a set of programs for creation of a complex containing GRP78 and Cripto proteins. We elucidated possible interactions of GRP78, Cripto, and their complex with the membrane. Using molecular dynamics simulations, we demonstrated that Cripto binding to GRP78 completely changes the dynamics of its behavior on the membrane, not allowing GRP78 to disconnect from it, thus enabling GRP78 tumorigenic functions. PMID- 29226520 TI - A novel homozygous SLC25A1 mutation with impaired mitochondrial complex V: Possible phenotypic expansion. AB - SLC25A1 mutations are associated with combined D,L-2-hydroxyglutaric aciduria (DL 2HGA; OMIM #615182), characterized by muscular hypotonia, severe neurodevelopmental dysfunction and intractable seizures. SLC25A1 encodes the mitochondrial citrate carrier (CIC), which mediates efflux of the mitochondrial tricarboxylic acid (TCA) cycle intermediates citrate and isocitrate in exchange for cytosolic malate. Only a single family with an SLC25A1 mutation has been described in which mitochondrial respiratory chain dysfunction was documented, specifically in complex IV. Five infants of two consanguineous Bedouin families of the same tribe presented with small head circumference and neonatal-onset encephalopathy with severe muscular weakness, intractable seizures, respiratory distress, and lack of psychomotor development culminating in early death. Ventricular septal defects (VSD) were demonstrated in three patients. Blood and CSF lactate were elevated with normal levels of plasma amino acids and free carnitine and increased 2-OH-glutaric acid urinary exertion. EEG was compatible with white matter disorder. Brain MRI revealed ventriculomegaly, thin corpus callosum with increased lactate peak on spectroscopy. Mitochondrial complex V deficiency was demonstrated in skeletal muscle biopsy of one infant. Homozygosity mapping and sequencing ruled out homozygosity of affected individuals in all known complex V-associated genes. Whole exome sequencing identified a novel homozygous SLC25A1 c.713A>G (p.Asn238Ser) mutation, segregating as expected in the affected kindred and not found in 220 control alleles. Thus, SLC25A1 mutations might be associated with mitochondrial complex V deficiency and should be considered in the differential diagnosis of mitochondrial respiratory chain defects. PMID- 29226521 TI - The ontogeny of the female reproductive system in the parasitic castrator pea crab Calyptraeotheres garthi: Implications for its mating system. AB - The knowledge of the mating system of pea crabs is still fragmentary as it remains dubious whether females copulate in the juvenile and free-living 'hard' or in the obligatory symbiotic stages (adult stage 'V' or intermediate stages II to IV). To discriminate between these two possibilities, we analysed the female seminal receptacles, vagina and opercula, and the sperm content in different stages of the pea crab Calyptraeotheres garthi. Our histology and scanning electron microscopy results revealed that in the hard stage the seminal receptacle is simple without secretory epithelia, and vagina and opercula are not controlled by musculature. In stages II to IV, the seminal receptacles, vagina, and opercula are under development and these structures reach maturity in stage V. These results suggest that females become receptive in stage V and not during predating stages. We found no spermatozoa in SR of 'hard' and stage II to IV females while these structures were loaded of sperm in most stage V, indicating that females start to mate in stage V. Our results support the notion that males of C. garthi roam among hosts in search for sedentary stage V females, as predicted by Baeza and Thiel's () model of mating systems for symbiotic crustaceans. Nevertheless, we failed to reveal whether females mate repeatedly: the accumulation of sperm in larger females might indicate occurrence of multiple copula or a high variability in male sperm transfer. PMID- 29226523 TI - A Single-Step Hydrothermal Route to 3D Hierarchical Cu2 O/CuO/rGO Nanosheets as High-Performance Anode of Lithium-Ion Batteries. AB - As anodes of Li-ion batteries, copper oxides (CuO) have a high theoretical specific capacity (674 mA h g-1 ) but own poor cyclic stability owing to the large volume expansion and low conductivity in charges/discharges. Incorporating reduced graphene oxide (rGO) into CuO anodes with conventional methods fails to build robust interaction between rGO and CuO to efficiently improve the overall anode performance. Here, Cu2 O/CuO/reduced graphene oxides (Cu2 O/CuO/rGO) with a 3D hierarchical nanostructure are synthesized with a facile, single-step hydrothermal method. The Cu2 O/CuO/rGO anode exhibits remarkable cyclic and high rate performances, and particularly the anode with 25 wt% rGO owns the best performance among all samples, delivering a record capacity of 550 mA h g-1 at 0.5 C after 100 cycles. The pronounced performances are attributed to the highly efficient charge transfer in CuO nanosheets encapsulated in rGO network and the mitigated volume expansion of the anode owing to its robust 3D hierarchical nanostructure. PMID- 29226522 TI - ZEB1-AS1: A crucial cancer-related long non-coding RNA. AB - Long non-coding RNAs (lncRNAs) recently emerge as a novel class of non-coding RNAs (ncRNAs) with larger than 200 nucleotides in length. Due to lack an obvious open reading frame, lncRNAs have no or limited protein-coding potential. To date, accumulating evidence indicates the vital regulatory function of lncRNAs in pathological processes of human diseases, especially in carcinogenesis and development. Deregulation of lncRNAs not only alters cellular biological behavior, such as proliferation, migration and invasion, but also represents the poor clinical outcomes. Zinc finger E-box binding homeobox 1 antisense 1 (ZEB1 AS1), an outstanding cancer-related lncRNA, is identified as an oncogenic regulator in diverse malignancies. Dysregulation of ZEB1-AS1 has been demonstrated to exhibit a pivotal role in tumorigenesis and progression, suggesting its potential clinical value as a promising biomarker or therapeutic target for cancers. In this review, we make a summary on the current findings regarding the biological functions, underlying mechanisms and clinical significance of ZEB1-AS1 in cancer progression. PMID- 29226524 TI - Usefulness of virtual touch quantification for staging liver fibrosis in patients with hepatitis C, and factors affecting liver stiffness measurement failure compared with liver biopsy. AB - AIM: The assessment of liver fibrosis in patients with hepatitis C is important to predict carcinogenesis. In this study, we evaluated the usefulness of virtual touch quantification (VTQ) for staging liver fibrosis, and investigated factors causing discrepancies between the estimated fibrosis stage using VTQ and the pathological fibrosis stage. METHODS: Patients with hepatitis C (n = 302) were assessed using VTQ and underwent pathological liver investigation within 1 week before and after VTQ. A receiver operator characteristic (ROC) curve was obtained for VTQ, fibrosis-4 (FIB-4) index, and aspartate aminotransferase-to-platelet ratio index (APRI), and each area under the ROC curve (AUROC) was compared to predict fibrosis stage. We used univariate and multivariate analyses to investigate the factors related to the discrepancy between the estimated fibrosis stage using VTQ and the pathological fibrosis stage. RESULTS: At any stage, VTQ was the most accurate for staging liver fibrosis. The VTQ cut-off values were 1.33 m/s (AUROC = 0.822) for >=F2, 1.51 m/s (AUROC = 0.836) for >=F3, and 1.92 m/s (AUROC = 0.890) for F4. Skin liver capsule distance (SCD) was the most relevant factor for the discrepancy between the estimated fibrosis stage using VTQ and the pathological fibrosis stage. The SCD cut-off value was 17.5 mm. CONCLUSIONS: Virtual touch quantification is a non-invasive, simple method that is more accurate for staging liver fibrosis than the FIB-4 index and APRI. However, when the SCD is longer than 17.5 mm, there may be measurement failures. PMID- 29226525 TI - In response to "Interventions designed using quality improvement methods reduce the incidence of serious airway events and airway cardiac arrests during pediatric anesthesia". PMID- 29226526 TI - We need personalized assessments for implicit bias in higher risk situations. PMID- 29226527 TI - What can we learn (or not) from in vitro airway studies for clinical applications in children? PMID- 29226528 TI - Mispositioning the end of a cuff inflating line in long-axis ultrasound imaging of the pediatric larynx and trachea. PMID- 29226529 TI - Continuous Erector Spinae Plane block for thoracic surgery in a pediatric patient. PMID- 29226531 TI - Pre-implant left ventricular apex position predicts risk of HeartMate II pump thrombosis. AB - BACKGROUND: Thrombosis within a left ventricular assist device (LVAD) is a devastating complication that often necessitates device exchange. Few studies have evaluated the relationship between patient anatomy and pump thrombosis. We hypothesize that lateral displacement of the left ventricular (LV) apex increases risk for pump thrombosis. METHODS: All patients who underwent primary implantation of a HeartMate II (HM2) device (Thoratec, Pleasanton, CA) at a single center (2009-2015) were evaluated. Operative mortalities and patients without imaging were excluded. The angle of the LV apex relative to the midline was measured on preoperative computed tomography scans by two independent surgeons. Pump thrombosis was defined as lactic dehydrogenase >700 with clinical symptoms of hemolysis or LVAD malfunction. Univariate and Cox Proportional Hazards analysis was performed to evaluate the impact of LV apex angle on long term freedom from pump exchange for thrombosis. RESULTS: Of 122 patients who met inclusion criteria for this study, 16 (13.1%) underwent exchange for presumed pump thrombosis. Of these patients, six (37.5%) required more than one exchange. Patients undergoing exchange for thrombosis had greater LV angle (43.8 +/- 9.7 vs 49.5 +/- 11.2, p = 0.037) with LV apex angle being a significant predictor of LVAD exchange for thrombosis (hazard ratio = 1.047, P = 0.046). Additionally, when surgeon measurements were compared there was good inter-observer reliability (Pearson Correlation = 0.89). CONCLUSION: A laterally displaced left ventricular apex correlates with a higher risk of pump thrombosis in patients undergoing HM2 implantation. LV apex angle is an easily obtained, reproducible measurement that should be considered when selecting a ventricular assist device. PMID- 29226532 TI - Low molecular weight heparin for the prevention of severe preeclampsia: where next? AB - Low molecular weight heparin has been extensively evaluated for the prevention of preeclampsia in high-risk pregnant women; however, the results from these trials have been conflicting. This review discusses the potential mechanisms of action of low molecular weight heparin for the prevention of severe preeclampsia, how to optimize the selection of high-risk women for participation in future trials, and the importance of trial standardization. PMID- 29226534 TI - Commentary on Urbanoski et al. (2018): Housing First and addiction-exploring the evidence. PMID- 29226533 TI - The Anthelmintic Drug Niclosamide and Its Analogues Activate the Parkinson's Disease Associated Protein Kinase PINK1. AB - Mutations in PINK1, which impair its catalytic kinase activity, are causal for autosomal recessive early-onset Parkinson's disease (PD). Various studies have indicated that the activation of PINK1 could be a useful strategy in treating neurodegenerative diseases, such as PD. Herein, it is shown that the anthelmintic drug niclosamide and its analogues are capable of activating PINK1 in cells through the reversible impairment of the mitochondrial membrane potential. With these compounds, for the first time, it is demonstrated that the PINK1 pathway is active and detectable in primary neurons. These findings suggest that niclosamide and its analogues are robust compounds for the study of the PINK1 pathway and may hold promise as a therapeutic strategy in PD and related disorders. PMID- 29226535 TI - Commentary on Fraser et al. (2018): Evidence base for harm reduction services-the urban-rural divide. PMID- 29226536 TI - Commentary on Scheidell et al. (2018): En-counting adversities; the 'building blocks' of psychopathology. PMID- 29226538 TI - Erratum. PMID- 29226537 TI - Is 'hardcore smoker' a useful term in tobacco control? PMID- 29226541 TI - Introducing Addiction Lives. PMID- 29226542 TI - Spontaneous intramural duodenal hematoma as the manifestation of Noonan syndrome. PMID- 29226543 TI - Maternal immune activation in neurodevelopmental disorders. AB - Converging lines of evidence from basic science and clinical studies suggest a relationship between maternal immune activation (MIA) and neurodevelopmental disorders such as autism spectrum disorder (ASD) and schizophrenia. The mechanisms through which MIA increases the risk of neurodevelopmental disorders have become a subject of intensive research. This review aims to describe how dysregulation of microglial function and immune mechanisms may link MIA and neurodevelopmental pathologies. We also summarize the current evidence in animal models of MIA. Developmental Dynamics 247:588-619, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226544 TI - Single-Site AuI Catalyst for Silane Oxidation with Water. AB - Single-site Au anchored on mpg-C3 N4 (519 ppm Au loading) is developed as a highly active, selective, and stable catalyst for the oxidation of silanes with water with a turnover frequency as high as 50 200 h-1 , far exceeding most known catalysts based on total gold content. Other hydrosilanes bearing unsaturated functional groups also lead to corresponding silanols under mild reaction conditions without formation of any side products in good or excellent yields. The spherical aberration correction electron microscopy and extended X-ray absorption fine structure measurements both confirm the atomic dispersion of Au atoms stabilized by mpg-C3 N4 . The coordination of the catalytically active AuI by three nitrogen or carbon atoms in the tri-s-triazine repeating units not only prevents the Au atoms from aggregation, but also renders the surface AuI highly active, which is completely different than homogeneous AuI species. PMID- 29226545 TI - Nitrous oxide/oxygen mixture for analgesia in adult cancer patients with breakthrough pain: A randomized, double-blind controlled trial. AB - BACKGROUND: The aim of this study was to assess the efficacy of a fixed nitrous oxide/oxygen mixture for the management of breakthrough cancer pain. METHODS/DESIGN: A double-blind, placebo-controlled, randomized clinical trial was undertaken in the Medical ward of Tumor Hospital of General Hospital of Ningxia Medical University. 240 cancer patients with breakthrough pain were recruited and randomly received a standard pain treatment (morphine sulphate immediate release) plus a pre-prepared nitrous oxide/oxygen mixture, or the standard pain treatment plus oxygen. The primary endpoint measure was the numerical rating scale (NRS) score measured at baseline, 5 and 15 min after the beginning of treatment, and at 5 min post treatment. RESULT: In all, analysis of pain score (NRS) at 5 min after the beginning of treatment shown a significant decrease in nitrous oxide/oxygen mixture treated patients with 2.8 +/- 1.3 versus 5.5 +/- 1.2 in controls (p < 0.01). At 15 min during the intervention, the mean pain score for nitrous oxide/oxygen was 2.0 +/- 1.1 compared with 5.6 +/- 1.3 for oxygen (p < 0.01). CONCLUSION: This study shows that self-administered nitrous oxide/oxygen mixture was effective in reducing moderate to severe breakthrough pain among patients with cancer. SIGNIFICANCE: The management of breakthrough cancer pain is always a challenge due to its temporal characteristics of rapid onset, moderate to severe in intensity, short duration (median 30-60 min). Our study find that self administered nitrous oxide/oxygen mixture was effective in reducing moderate to severe breakthrough cancer pain. PMID- 29226546 TI - Small supernumerary marker chromosome 15 and a ring chromosome 15 associated with a 15q26.3 deletion excluding the IGF1R gene. AB - Array comparative genomic hybridization is essential in the investigation of chromosomal rearrangements associated with epilepsy, intellectual disability, and dysmorphic features. In many cases deletions, duplications, additional marker chromosomes, and ring chromosomes originating from chromosome 15 lead to abnormal phenotypes. We present a child with epilepsy, cardiac symptoms, severely delayed mental and growth development, behavioral disturbances and characteristic dysmorphic features showing a ring chromosome 15 and a small supernumerary marker chromosome. Array CGH detected a 1 Mb deletion of 15q26.3 in a ring chromosome 15 and a 2.6 Mb copy number gain of 15q11.2 corresponding to a small supernumerary marker chromosome involving proximal 15q. Our findings add to previously published results of 15q11q13 duplications and 15q26 terminal deletions. Based on our study we can support the previous reported limited information about the role of SELS, SNRPA1, and PCSK6 genes in the development of the heart morphology. On the other hand, we found that the copy number loss of our patient did not involve the IGF1R gene which is often associated with growth retardation (short stature and decreased weight). We hypothesize that haploinsufficiency of the 15q26 genomic region distal to IGF1R gene might be related to growth disturbance; however, presence of the ring chromosome 15 itself could also be responsible for the growth delay. PMID- 29226547 TI - Avian embryonic coronary arterio-venous patterning involves the contribution of different endothelial and endocardial cell populations. AB - BACKGROUND: Coronary vasculature irrigates the myocardium and is crucial to late embryonic and adult heart function. Despite the developmental significance and clinical relevance of these blood vessels, the embryonic origin and the cellular and molecular mechanisms that regulate coronary arterio-venous patterning are not known in detail. In this study, we have used the avian embryo to dissect the ontogenetic origin and morphogenesis of coronary vasculature. RESULTS: We show that sinus venosus endocardial sprouts and proepicardial angioblasts pioneer coronary vascular formation, invading the developing heart simultaneously. We also report that avian ventricular endocardium has the potential to contribute to coronary vessels, and describe the incorporation of cardiac distal outflow tract endothelial cells to the peritruncal endothelial plexus to participate in coronary vascular formation. Finally, our findings indicate that large sinus venosus-independent sections of the forming coronary vasculature develop without connection to the systemic circulation and that coronary arterio-venous shunts form a few hours before peritruncal arterial endothelium connects to the aortic root. CONCLUSIONS: Embryonic coronary vasculature is a developmental mosaic, formed by the integration of vascular cells from, at least, four different embryological origins, which assemble in a coordinated manner to complete coronary vascular development. Developmental Dynamics 247:686-698, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226548 TI - Diffusion tensor imaging determines three-dimensional architecture of human cervix: a cross-sectional study. AB - OBJECTIVE: To determine the microarchitecture of the cervix using high-resolution diffusion tensor (DT) magnetic resonance imaging (MRI). DESIGN: Cross-sectional study. SETTING: Leeds, UK. SAMPLE: Women undergoing hysterectomy for benign pathology. METHODS: Ex-vivo DT-MRI measurements were obtained using a 9.4-T Bruker nuclear magnetic resonance (NMR) spectrometer on seven fixed human cervices obtained at hysterectomy. A deterministic fibre-tracking algorithm was used to indirectly visualise underlying fibre organisation. Inter-regional differences in tissue structure were sought using quantitative measurements of diffusion. MAIN OUTCOME MEASURE: The identification of an occlusive structure in the region corresponding to the internal cervical os. RESULTS: Fibre tracking demonstrated two regions: an outer circular and inner longitudinal layer. The total circumferential tract volume (TV) was greatest in the proximal region of the cervix (TV: proximal, 271 +/- 198 mm3 ; middle, 186 +/- 119 mm3 ; distal, 38 +/- 36 mm3 ). Fractional anisotropy (FA) and apparent diffusion coefficient (ADC) measurements were significantly different between regions in all samples (P < 0.0005), indicating greater tract density and organisation towards the internal os. CONCLUSION: Fibre tracking infers a system of dense, well-defined, encircling fibres in the proximal region of the cervix, corresponding to the location of the internal os. These findings may provide evidence of specific anatomic microarchitecture within the cervix able to resist intrauterine forces associated with pregnancy. TWEETABLE ABSTRACT: Diffusion-tensor MRI derived tractography identified well-defined encircling fibres at the internal os. PMID- 29226549 TI - Fasting induces astroglial plasticity in the olfactory bulb glomeruli of rats. AB - The detection of food odors by the olfactory system, which plays a key role in regulating food intake and elaborating the hedonic value of food, is reciprocally influenced by the metabolic state. Fasting increases olfactory performance, notably by increasing the activity of olfactory bulb (OB) neurons. The glutamatergic synapses between olfactory sensory neurons and mitral cells in the OB glomeruli are regulated by astrocytes, periglomerular neurons, and centrifugal afferents. We compared the expansion of astroglial processes by quantifying GFAP labeled areas in fed and fasted rats to see whether OB glomerular astrocytes are involved in the metabolic sensing and adaptation of the olfactory system. Glomerular astroglial spreading was much greater in all OB regions of rats fasted for 17 hr than in controls. Intra-peritoneal administration of the anorexigenic peptide PYY3-36 or glucose in 17 hr-fasted rats respectively decreased their food intake or restored their glycemia, and reversed the fasting-induced astroglial spreading. Direct application of the orexigenic peptides ghrelin or NPY to OB slices increased astroglial spreading, whereas PYY3-36 resulted in astroglial retraction, in agreement with the in vivo effects of fasting and satiety on glomerular astrocytes. Thus the morphological plasticity of OB glomerular astrocytes depends on the metabolic state of the rats and is influenced by peptides that regulate food intake. This plasticity may be part of the mechanism by which the olfactory system adapts to food intake. PMID- 29226550 TI - Alpha-Klotho Enrichment in Induced Pluripotent Stem Cell Secretome Contributes to Antioxidative Protection in Acute Lung Injury. AB - Induced pluripotent stem cells (iPSCs) have been reported to alleviate organ injury, although the mechanisms of action remain unclear and administration of intact cells faces many limitations. We hypothesized that cell-free conditioned media (CM) containing the secretome of iPSCs possess antioxidative constituents that can alleviate pulmonary oxidant stress damage. We derived iPSCs from human dermal fibroblasts and harvested the CM. Addition of iPSC CM to cultured human alveolar type-1 epithelial cells mitigated hyperoxia-induced depletion of endogenous total antioxidant capacity while tracheal instillation of iPSC CM into adult rat lungs enhanced hyperoxia-induced increase in TAC. In both the in vitro and in vivo models, iPSC CM ameliorated oxidative damage to DNA, lipid, and protein, and activated the nuclear factor (erythroid 2)-related factor 2 (Nrf2) network of endogenous antioxidant proteins. Compared with control fibroblast conditioned or cell-free media, iPSC CM is highly enriched with alphaKlotho at a concentration up to more than 10-fold of that in normal serum. alphaKlotho is an essential antioxidative cell maintenance and protective factor and an activator of the Nrf2 network. Immunodepletion of alphaKlotho reduced iPSC CM-mediated cytoprotection by ~50%. Thus, the abundant alphaKlotho content significantly contributes to iPSC-mediated antioxidation and cytoprotection. Results uncover a major mechanism of iPSC action, suggest a fundamental role of alphaKlotho in iPSC maintenance, and support the translational potential of airway delivery of cell free iPSC secretome for protection against lung injury. The targeted cell-free secretome-based approach may also be applicable to the amelioration of injury in other organs. Stem Cells 2018;36:616-625. PMID- 29226551 TI - Premenstrual symptoms interference and equol production status in Japanese collegiate athletes: A cross-sectional study. AB - AIM: Consumption of soy isoflavones reduces the risk of estrogen-related diseases, such as menopausal symptoms, osteoporosis, and cardiovascular disease. Equol is metabolized from the isoflavone daidzein by intestinal bacteria and has higher bioavailability than other isoflavones. Equol producers are believed to benefit from soybean consumption to a greater extent than non-producers. Recently, we showed that equol non-producers were at significant risk of premenstrual syndrome (PMS). Previously, we reported that PMS is a common menstrual problem in female athletes, and almost half of the studied athletes felt a negative effect of premenstrual symptoms on their athletic performance. This study was conducted to evaluate the relation between PMS and equol production status in Japanese collegiate athletes. METHODS: This was a cross sectional, observational study that included 88 Japanese female collegiate athletes. Equol production status was determined using urine samples collected after a soy challenge test. The subjects also completed a questionnaire about their premenstrual symptoms and their competitive career. RESULTS: The prevalence of equol producers was 29.5% in Japanese collegiate athletes. The athletic performance of 54.5% of athletes was found to suffer in competition or in practice due to premenstrual symptoms. In multivariate analysis, equol non producers (odds ratio, 3.34; 95% confidence interval, 1.03-12.20) and restriction of bodyweight (odds ratio, 4.94; 95% confidence interval, 1.47-20.00) were shown to be significant risk factors for poor athletic performance. CONCLUSION: This study showed a relation between athletic performance and equol production status in Japanese collegiate athletes. PMID- 29226552 TI - Spontaneously regressing brain lesions in Smith-Lemli-Opitz syndrome. AB - Smith-Lemli-Opitz syndrome (SLOS) is a metabolic disorder caused by an inborn error of cholesterol synthesis that affects the development of many organ systems. Malformations in the central nervous system typically involve midline structures and reflect abnormal growth and differentiation of neurons and supporting cells. Despite these defects in central nervous system development, brain tumor formation has only rarely been reported in association with SLOS. We present three individuals with SLOS and lesions in the basal ganglia or brainstem detected by MRI that were concerning for tumor formation. However, the individuals' clinical and neurological course remained stable, and the lesions regressed after several years. These lesions have similarities to spongiotic changes observed in individuals with neurofibromatosis type 1 (NF1). Notably, impaired activity of small GTPases is present in both SLOS and NF1, perhaps giving mechanistic insight into the formation of these lesions. PMID- 29226553 TI - Design and properties of a novel radiopaque injectable apatitic calcium phosphate cement, suitable for image-guided implantation. AB - An injectable purely apatitic calcium phosphate cement (CPC) was successfully combined to a water-soluble radiopaque agent (i.e., Xenetix(r) ), to result in an optimized composition that was found to be as satisfactory as poly(methyl methacrylate) (PMMA) formulations used for vertebroplasty, in terms of radiopacity, texture and injectability. For that purpose, the Xenetix dosage in the cement paste was optimized by injection of the radiopaque CPC in human cadaveric vertebrae under classical PMMA vertebroplasty conditions, performed by interventional radiologists familiar with this surgical procedure. When present in the cement paste up to 70 mg I mL-1 , Xenetix did not influence the injectability, cohesion, and setting time of the resulting composite. After hardening of the material, the same observation was made regarding the microstructure, mechanical strength and alpha-tricalcium phosphate to calcium deficient apatite transformation rate. Upon implantation in bone in a small animal model (rat), the biocompatibility of the Xenetix-containing CPC was evidenced. Moreover, an almost quantitative release of the contrast agent was found to occur rapidly, on the basis of in vitro static and dynamic quantitative studies simulating in vivo implantation. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2786-2795, 2018. PMID- 29226554 TI - Controllable Solid Electrolyte Interphase in Nickel-Rich Cathodes by an Electrochemical Rearrangement for Stable Lithium-Ion Batteries. AB - The layered nickel-rich materials have attracted extensive attention as a promising cathode candidate for high-energy density lithium-ion batteries (LIBs). However, they have been suffering from inherent structural and electrochemical degradation including severe capacity loss at high electrode loading density (>3.0 g cm-3 ) and high temperature cycling (>60 degrees C). In this study, an effective and viable way of creating an artificial solid-electrolyte interphase (SEI) layer on the cathode surface by a simple, one-step approach is reported. It is found that the initial artificial SEI compounds on the cathode surface can electrochemically grow along grain boundaries by reacting with the by-products during battery cycling. The developed nickel-rich cathode demonstrates exceptional capacity retention and structural integrity under industrial electrode fabricating conditions with the electrode loading level of ~12 mg cm-2 and density of ~3.3 g cm-3 . This finding could be a breakthrough for the LIB technology, providing a rational approach for the development of advanced cathode materials. PMID- 29226555 TI - Climate warming is associated with smaller body size and shorter lifespans in moose near their southern range limit. AB - Despite the importance of body size for individual fitness, population dynamics and community dynamics, the influence of climate change on growth and body size is inadequately understood, particularly for long-lived vertebrates. Although temporal trends in body size have been documented, it remains unclear whether these changes represent the adverse impact of climate change (environmental stress constraining phenotypes) or its mitigation (via phenotypic plasticity or evolution). Concerns have also been raised about whether climate change is indeed the causal agent of these phenotypic shifts, given the length of time-series analysed and that studies often do not evaluate - and thereby sufficiently rule out - other potential causes. Here, we evaluate evidence for climate-related changes in adult body size (indexed by skull size) over a 4-decade period for a population of moose (Alces alces) near the southern limit of their range whilst also considering changes in density, predation, and human activities. In particular, we document: (i) a trend of increasing winter temperatures and concurrent decline in skull size (decline of 19% for males and 13% for females) and (ii) evidence of a negative relationship between skull size and winter temperatures during the first year of life. These patterns could be plausibly interpreted as an adaptive phenotypic response to climate warming given that latitudinal/temperature clines are often accepted as evidence of adaptation to local climate. However, we also observed: (iii) that moose with smaller skulls had shorter lifespans, (iv) a reduction in lifespan over the 4-decade study period, and (v) a negative relationship between lifespan and winter temperatures during the first year of life. Those observations indicate that this phenotypic change is not an adaptive response to climate change. However, this decline in lifespan was not accompanied by an obvious change in population dynamics, suggesting that climate change may affect population dynamics and life-histories differently. PMID- 29226556 TI - Solvent or thermal extraction of ethylene oxide from polymeric materials: Medical device considerations. AB - Ethylene oxide (EO) gas is commonly used to sterilize medical devices. Bioavailable residual EO, however, presents a significant toxicity risk to patients. Residual EO is assessed using international standards describing extraction conditions for different medical device applications. We examine a series of polymers and explore different extraction conditions to determine residual EO. Materials were sterilized with EO and exhaustively extracted in water, in one of three organic solvents, or in air using thermal desorption. The EO exhaustively extracted varies significantly and is dictated by two factors: the EO that permeates the material during sterilization; and the effectiveness of the extraction protocol in flushing residual EO from the material. Extracted EO is maximized by a close matches between Hildebrand solubility parameters deltapolymer , deltaEO , and deltasolvent . There remain complexities to resolve, however, because maximized EO uptake and detection are accompanied by great variability. These observations may inform protocols for material selection, sterilization, and EO extraction. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2455-2463, 2018. PMID- 29226557 TI - Lysophosphatidic acid accelerates development of porcine embryos by activating formation of the blastocoel. AB - Culture media modifications, including the addition of various factors, are important for the in vitro production of oocytes and embryos. In this study, we investigated the effects of lysophosphatidic acid (LPA) on porcine embryo development. Porcine parthenogenetic embryos were cultured with 0, 0.1, 1, and 10 MUM LPA for 7 days, or cultured in basic medium until Day 4 and then treated with LPA from Days 4 to 7. No difference in the in vitro development of embryos cultured with LPA for 7 days was observed. Conversely, rates of blastocyst and over-expanded blastocyst formation were higher in the 0.1 and 1 uM LPA-treated versus the other groups of embryos treated from Days 4 to 7. Moreover, formation of early blastocysts occurred earlier and embryo size was larger in LPA-treated compared to control embryos. Expression of Connexin 43 and gap junction and cell adhesion-related genes (GJC1 and CDH1, respectively) was also higher in LPA treated compared to control embryos. Despite no difference in the blastocyst total cell number between groups, the apoptotic index was lower in the LPA treated group than in the control group; indeed, BCL2L1 (B-cell lymphoma 2-like protein 1) expression increased while BAK (Bcl-2 homologous antagonist killer) decreased in the LPA-treated group. Thus, addition of LPA to the medium from Days 4 to 7 of culture improves blastocyst formation and aids the development of preimplantation embryos. PMID- 29226558 TI - Detection of the Human Anti-ActRII Antibody Bimagrumab in Serum by Means of Affinity Purification, Tryptic Digestion, and LC-HRMS. AB - PURPOSE: Inhibitors of the ActRII signaling pathways represent promising therapeutics for the treatment of muscular diseases, but also pose risks as performance-enhancing agents in sports. Bimagrumab is a human anti-ActRII antibody which was found to increase muscle mass and function by blocking ActRII signaling. As it has considerable potential for being misused as doping agent in sports, the aim of this study was to develop a mass spectrometric detection assay for doping control serum samples. EXPERIMENTAL DESIGN: Within this study, a detection method for Bimagrumab in human serum was developed, which combines ammonium sulfate precipitation and affinity purification with proteolytic digestion and LC-HRMS. To facilitate the unambiguous identification of the diagnostic peptides, an orthogonal IM separation was additionally performed. RESULTS: The assay was successfully validated and the analysis of clinical samples demonstrated its fitness for purpose for an application in routine doping control analysis. CONCLUSIONS AND CLINICAL RELEVANCE: Although no myostatin inhibitors have obtained clinical approval yet, the proactive development of detection methods for emerging doping agents represents a key aspect of preventive doping research. The presented approach will expand the range of available tests for novel protein therapeutics and can readily be modified to include further target analytes. PMID- 29226559 TI - Nature's genetic screens: using genome-wide association studies for effector discovery. PMID- 29226560 TI - A Highly Efficient Oxygen Evolution Catalyst Consisting of Interconnected Nickel Iron-Layered Double Hydroxide and Carbon Nanodomains. AB - In this work, a one-pot solution method for direct synthesis of interconnected ultrafine amorphous NiFe-layered double hydroxide (NiFe-LDH) (<5 nm) and nanocarbon using the molecular precursor of metal and carbon sources is presented for the first time. During the solvothermal synthesis of NiFe-LDH, the organic ligand decomposes and transforms to amorphous carbon with graphitic nanodomains by catalytic effect of Fe. The confined growth of both NiFe-LDH and carbon in one single sheet results in fully integrated amorphous NiFe-LDH/C nanohybrid, allowing the harness of the high intrinsic activity of NiFe-LDH due to (i) amorphous and distorted LDH structure, (ii) enhanced active surface area, and (iii) strong coupling between the active phase and carbon. As such, the resultant NiFe-LDH/C exhibits superior activity and stability. Different from postdeposition or electrostatic self-assembly process for the formation of LDH/C composite, this method offers one new opportunity to fabricate high-performance oxygen evolution reaction and possibly other catalysts. PMID- 29226561 TI - The long-term effects of faecal microbiota transplantation for gastrointestinal symptoms and general health in patients with recurrent Clostridium difficile infection. AB - BACKGROUND: Faecal microbiota transplantation (FMT) is an effective treatment for recurrent Clostridium difficile infection. In short-term the treatment has been shown to be safe, however, there are no large, long-term follow-up studies looking into the potential adverse effects. AIM: To analyse the long-term effect of FMT treatment in patients with recurrent C. difficile infection and to compare the outcome to antibiotic treated patients. METHODS: Altogether 84 patients of which 45 received a FMT treatment and 39 served as controls receiving antibiotics for the infection were followed on average for 3.8 years. Their recovery and medical status was evaluated using a retrospective questionnaire, determining their quality of life, gastrointestinal symptoms and new diseases potentially related to the FMT. RESULTS: There was no difference in the incidence of severe diseases (inflammatory bowel disease, cancer, autoimmune disease, allergy, neurological diseases) between the patient groups. In addition, weight gain did not differ between treatment groups. The FMT treated patients reported that their bowel habits improved significantly faster, they had less irregular bowel function and less symptoms of upper GI-tract when compared to the patients treated with antibiotics. Significantly more patients in FMT-group reported that their mental health improved after the treatment. The willingness to receive FMT treatment for potential new C. difficile infection was significantly higher in both treatment groups compared to other treatment options. CONCLUSION: Our study highlights that FMT is a durable, safe and acceptable treatment option for patients with recurrent C. difficile infection also in long term, and it shows potential benefits over antimicrobial treatment. PMID- 29226562 TI - Enantio- and Diastereoselective Cyclopropanation of 1-Alkenylboronates: Synthesis of 1-Boryl-2,3-Disubstituted Cyclopropanes. AB - A novel, highly enantio- and diastereoselective synthesis of 1-boryl-2,3 disubstituted cyclopropanes has been developed by means of the cyclopropanation of alkenylboronates with ethyl diazoacetate in the presence of catalytic amounts of a chiral copper(I) complex. The products can also be directly accessed from alkynes through an operationally simple, sequential hydroboration cyclopropanation protocol. The resulting enantioenriched 1-boryl-2,3 disubstituted cyclopropanes are versatile synthetic intermediates that undergo further transformations at the carbon-boron bond. PMID- 29226563 TI - Fatal cardiac arrest in pediatric heart transplant recipients: Query of the UNOS database. AB - The incidence of death by CA after PHTx is unknown. We aimed to determine the incidence and factors for fatal CA after PHTx, and whether a PM affects survival. Retrospective cohort study utilizing the United Network of Organ Sharing registry of patients transplanted <=18 years. Multivariable analyses in hazard-function domain and Kaplan-Meier analyses were performed for an outcome of death due to CA. There were 7719 PHTx patients queried. CA was the reported cause of death in 11%. Age >=13 years at time of transplant, presence of a PM, and depressed EF were identified as significant factors for fatal CA. Death due to CA beyond 10 years post-transplant was associated with depressed EF, CAV, and presence of a PM. Kaplan-Meier analysis demonstrated higher likelihood of fatal CA in patients with CAV and in those with a PM vs those without. In total, 15% of patients with a PM died from CA. CA is a relatively common cause of death after PHTx. The benefit of a PM remains unclear, but its presence does not confer complete protection. Patients with associated factors warrant vigilant surveillance and consideration for retransplantation. PMID- 29226565 TI - Authors' reply re: Starting a Uterus transplantation service: Notes from a small island. PMID- 29226564 TI - "Lowe syndrome: A particularly severe phenotype without clinical kidney involvement". AB - Lowe syndrome (LS) is a very rare disorder of phosphatidylinositol metabolism, which manifests with a complex phenotype comprising a clinical triad encompassing major abnormalities of the eyes, the kidneys, and the central nervous system. We are reporting a 23-year-old Egyptian male with a severe phenotype of LS with a minimal kidney disease. Direct sequencing of the OCRL gene detected a p.His375Arg mutation in the catalytic domain of the protein. The patient suffered from bilateral congenital cataracts and glaucoma, striking growth deficiency, severe psychomotor disability, a severe osteopathy, and seizures, but only minimal renal dysfunction. Although the biological mechanisms underlying the pathophysiology of LS manifestations is yet unclear, it has been proposed that growth delay and osteopathy are linked to a renal dysfunction. This report, however, argues this association and suggests that kidney dysfunction may partially explain the growth deficiency and bone abnormalities, but other still undefined factors might have a potential impact. PMID- 29226566 TI - Probing the importance of clonality: Single cell subcloning of clonally derived CHO cell lines yields widely diverse clones differing in growth, productivity, and product quality. AB - In the past few decades, a large variety of therapeutic antibodies and proteins have been expressed in Chinese hamster ovary (CHO) cells. This mammalian expression system is robust, scalable, relatively inexpensive, and importantly allows for post-translational modifications that are important for some therapeutic proteins. Historically, CHO cell lines were derived from colonies of cells grown in semi-solid or liquid plates using either serum-containing or serum free media. Current advancements in cell sorting and imaging technologies have allowed for isolating and imaging single cell progenitors at the seeding step, significantly increasing the probability of isolating clonally derived cell lines. However, it is debatable how much population heterogeneity can be eliminated when clonally derived cell lines, originated from a single cell progenitor, are scaled up. To further investigate this phenomenon, we subcloned two different clonally derived (day 0 imaged and visually inspected) cell lines expressing antibody-X. The results showed that when six randomly chosen subclones of each line were evaluated in a production assay, these subclones displayed a range of variation in titer, specific productivity, growth, and product quality attributes. Some subclones displayed variations in transgene copy numbers. Additionally, clonal derivation did not assure stability of the derived cell lines. Our findings show that cell heterogeneity exists in a population even when derived from a single cell progenitor. (c) 2017 American Institute of Chemical Engineers Biotechnol. Prog., 34:624-634, 2018. PMID- 29226567 TI - A strain-specific multiplex RT-PCR for Australian rabbit haemorrhagic disease viruses uncovers a new recombinant virus variant in rabbits and hares. AB - Rabbit haemorrhagic disease virus (RHDV, or GI.1) is a calicivirus in the genus Lagovirus that has been widely utilized in Australia as a biological control agent for the management of overabundant wild European rabbit (Oryctolagus cuniculus) populations since 1996. Recently, two exotic incursions of pathogenic lagoviruses have been reported in Australia; GI.1a-Aus, previously called RHDVa Aus, is a GI.1a virus detected in January 2014, and the novel lagovirus GI.2 (previously known as RHDV2). Furthermore, an additional GI.1a strain, GI.1a-K5 (also known as 08Q712), was released nationwide in March 2017 as a supplementary tool for wild rabbit management. To discriminate between these lagoviruses, a highly sensitive strain-specific multiplex RT-PCR assay was developed, which allows fast, cost-effective and sensitive detection of the four pathogenic lagoviruses currently known to be circulating in Australia. In addition, we developed a universal RT-qPCR assay to be used in conjunction with the multiplex assay that broadly detects all four viruses and facilitates quantification of viral RNA load in samples. These assays enable rapid detection, identification and quantification of pathogenic lagoviruses in the Australian context. Using these assays, a novel recombinant lagovirus was detected in rabbit tissue samples, which contained the non-structural genes of GI.1a-Aus and the structural genes of GI.2. This variant was also recovered from the liver of a European brown hare (Lepus europaeus). The impact of this novel recombinant on Australian wild lagomorph populations and its competitiveness in relation to circulating field strains, particularly GI.2, requires further studies. PMID- 29226568 TI - Incidence of contamination of live bird markets in Bangladesh with influenza A virus and subtypes H5, H7 and H9. AB - In the absence of robust active surveillance of avian influenza viruses (AIV) affecting poultry in South Asian countries, monitoring of live bird markets (LBMs) can be an alternative. In a longitudinal study of 32 LBM, five environments were sampled as follows: market floor, stall floor, slaughter area, poultry holding cage and water used for meat processing. Samples were taken monthly for 5 months, September 2013-January 2014. Incidence rates (IRs) of LBM contamination with AIV and its subtypes H5, H7 and H9 were assessed. In 10 of the LBM selected, biosecurity measures had been implemented through FAO interventions: the other 22 were non-intervened. Standard procedures were applied to detect AIV and three subtypes in pooled samples (1:5). An LBM was considered positive for AIV or a subtype if at least one of the pooled samples tested positive. The incidence rates of LBM contamination with AIV, H5, H7 and H9 were 0.194 (95% confidence interval (CI) 0.136-0.276), 0.031 (95% CI 0.013-0.075), 0 and 0.175 (95% CI 0.12-0.253) per LBM-month at risk, respectively. The log IR ratio between the FAO-intervened and non-intervened LBM for contamination with AIV was -0.329 (95% CI -1.052 to -0.394, p = .372), 0.598 (95% CI -1.593 to 2.789, p = .593) with subtype H5 and -0.500 (95% CI -1.249 to 0.248, p = .190) with subtype H9, indicating no significant difference. The results obtained suggest that both H5 and H9 were circulating in LBM in Bangladesh in the second half of 2013. The incidence of contamination with H9 was much higher than with H5. PMID- 29226569 TI - Children Born by Women With Rheumatoid Arthritis and Increased Susceptibility for Chronic Diseases: A Nationwide Cohort Study. AB - OBJECTIVE: Fetal exposure to maternal rheumatoid arthritis (RA) might impact the long-term risk of disease in the offspring. We examined a possible association between maternal RA and 15 selected groups of chronic diseases in the offspring. METHODS: This nationwide cohort study was based on the Danish health registries and included data on all children born alive in Denmark between January 1, 1989 and December 31, 2013. The cohort comprised 2,106 children born by women with RA (exposed), and 1,378,539 children born by women without RA (unexposed). Cox proportional hazards regression models were used, taking a large range of confounders into consideration, and the hazard ratios (HRs) of child and adolescent diseases were calculated. RESULTS: In children exposed to maternal RA in utero, the HR of thyroid diseases was 2.19 (95% confidence interval [95% CI] 1.14-4.21), epilepsy 1.61 (95% CI 1.16-2.25), and RA 2.89 (95% CI 2.06-4.05). The HRs for anxiety and personality disorders and chronic lung disease including asthma were in the range of 1.15-1.16, but these were not statistically significant associations. CONCLUSION: Our results suggest that in utero exposure to maternal RA is associated with an increased risk of thyroid disease and epilepsy in childhood and adolescence, and in particular an increased risk of RA, compared to children born to mothers without RA. These important findings should encourage pediatricians and general practitioners to have an increased awareness of certain chronic diseases in children exposed to RA in utero. PMID- 29226570 TI - Campath, calcineurin inhibitor reduction, and chronic allograft nephropathy (the 3C Study) - results of a randomized controlled clinical trial. AB - Calcineurin inhibitors (CNIs, eg, tacrolimus) reduce short-term kidney transplant failure, but chronic nephrotoxicity may contribute to late transplant loss. Elective conversion to inhibitors of the mammalian target of rapamycin (mTOR, eg, sirolimus) pathway might avoid long-term CNI renal damage and improve outcomes. The 3C Study was a pragmatic randomized controlled trial of sequential randomizations between alemtuzumab and basiliximab induction therapy (at the time of surgery) and between tacrolimus and sirolimus maintenance therapy at 6 months posttransplantation. The primary outcome of this analysis was estimated glomerular filtration rate (eGFR) at 18 months after maintenance therapy randomization; 197 patients were assigned sirolimus-based and 197 to tacrolimus based therapy. Allocation to sirolimus had no significant effect on eGFR at 18 months: baseline-adjusted mean (SEM) eGFR was 53.7 (0.9) mL/min/1.73 m2 in the sirolimus group versus 54.6 (0.9) mL/min/1.73 m2 in the tacrolimus group (P = .50). Biopsy-proven acute rejection (29 [14.7%]) vs 6 [3.0%]; P < .001) and serious infections (defined as opportunistic infections or those requiring hospitalization; 95 [48.2%] vs 70 [35.5%]; P = .008) were more common among participants allocated sirolimus. Compared with tacrolimus-based therapy, sirolimus-based maintenance therapy did not improve transplant function at 18 months after conversion and was associated with significant hazards of rejection and infection. ClinicalTrials.gov identifier NCT01120028 and ISRCTN88894088. PMID- 29226571 TI - Mouse models of psoriasis and their relevance. AB - Psoriasis is an inflammatory skin disorder that includes dynamic interactions between the immune system and skin and is clinically characterized by keratinocyte proliferation and distinct inflammatory cell infiltrates. Cross-talk between keratinocytes and immunocytes is essential for the development of psoriasis given that it mediates the production of cytokines, chemokines and growth factors. To resolve the pathogenesis of psoriasis, numerous experimental animal models have been generated. In this review, we discuss recent findings from mouse models, their relevancy to psoriasis and use, including the discovery of new therapies. PMID- 29226572 TI - Nitroglycerin and the enduring principles of coronary procedures. AB - The benefits of nitroglycerin are numerous, from ensuring accurate interpretation of diagnostic angiograms to treatment of coronary spasm and support of PCIs in simple or complex lesion types. The founders of the field were convinced that no coronary arteriography should be considered complete unless a vasodilator is used at some point during the study. This recommendation is valid. The guidelines should change to include administration of intracoronary nitroglycerin. PMID- 29226574 TI - Ready, set, pull, ow! AB - The BADFORM technique is a novel technique in getting devices across otherwise uncrossable lesions It is critical to perform the pulling parallel to the vessel The technique and its success has only been described in the 10 cases reported so caution is advised. PMID- 29226573 TI - Power of gradients. AB - Patients with high baseline gradients benefit most after TAVR. In severe symptomatic aortic stenosis, every 10 mm Hg increase in mean gradient has 20% reduction in mortality after TAVR. Low gradient severe aortic stenosis continues to be a clinical cohort with variable benefit from TAVR. PMID- 29226575 TI - Vulnerable plaques, more than meets the i. AB - Intravascular imaging plays a key role in the identification of mechanisms of acute coronary syndromes Post processing IVUS algorithms (IMAP-IVUS and VH-IVUS) for tissue characterization have not been widely adopted due to current limitations Future development will allow easier, faster, and more accurate identification of vulnerable plaques, ultimately allowing prognostication of various interventions. PMID- 29226576 TI - Deferred lesion failure in diabetes: A truly bad actor. AB - DM patients with stenoses whose FFR > 0.80 have a relatively high 14% rate of deferred lesion failure (i.e., revascularization or MI). IDDM and prior revascularization were independent predictors of deferred lesion failure FFR predicts outcomes, but is a less effective predictor in diabetics due to diffuse atherosclerosis microvascular disease. PMID- 29226577 TI - A cardiologist's nightmare: Coronary obstruction during transcatheter aortic valve implantation: How to identify patients at highest risk for this complication. AB - Transcatheter aortic valve implantation (TAVI) is associated with several complications including coronary obstruction (CO) CO occurs in ~1% of patients and mostly in patients receiving the SAPIEN XT valve Possible predictors of CO include coronary height <10 mm and aortic sinus diameter of <30 mm. PMID- 29226578 TI - Ischemia-reperfusion injury and ischemic post-conditioning in acute myocardial infarction: Lost in translation. AB - Ischemic post-conditioning (IPoC) has been proposed as a strategy to mitigate the risk of ischemia-reperfusion injury during primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI). In this comprehensive and updated meta-analysis of randomized controlled trials, IPoC during primary PCI for STEMI had no significant effect on all-cause mortality, re infarction, or new-onset heart failure compared with no post-conditioning. Further strategies need to be prospectively evaluated to improve outcomes in patients with STEMI undergoing primary PCI. PMID- 29226579 TI - Sirens song or a bugle call to charge. AB - Radial access for catheterization is associated with reduced bleeding and mortality across a spectrum of clinical conditions compared to femoral. Transradial technique is associated with a higher rate of access site failure but this is in those most likely to have a femoral-based complication. Improved outcomes will come with further radial technique refinement and not with a retreat to legacy femoral approaches. PMID- 29226580 TI - A novel truncating variant within exon 7 of KAT6B associated with features of both Say-Barber-Bieseker-Young-Simpson syndrome and genitopatellar syndrome: Further evidence of a continuum in the clinical spectrum of KAT6B-related disorders. AB - KAT6B sequence variants have been identified in both patients with the Say-Barber Biesecker-Young-Simpson syndrome (SBBYSS) and in the genitopatellar syndrome (GPS). In SBBYSS, they were reported to affect mostly exons 16-18 of KAT6B, and the predicted mechanism of pathogenesis was haploinsufficiency or a partial loss of protein function. Truncating variants in KAT6B leading to GPS appear to cluster within the proximal portion of exon 18, associated with a dominant negative effect of the mutated protein, most likely. Although SBBYSS and GPS have been initially considered allelic disorders with distinctive genetic and clinical features, there is evidence that they represent two ends of a spectrum of conditions referable as KAT6B-related disorders. We detected a de novo truncating variant within exon 7 of KAT6B in a 8-year-old female who presented with mild intellectual disability, facial dysmorphisms highly consistent with SBBYSS, and skeletal anomalies including exostosis, that are usually considered component manifestations of GPS. Following the clinical diagnosis driven by the striking facial phenotype, we analyzed the KAT6B gene by NGS techniques. The present report highlights the pivotal role of clinical genetics in avoiding clear-cut genotype-phenotype categories in syndromic forms of intellectual disability. In addition, it further supports the evidence that a continuum exists within the clinical spectrum of KAT6B-associated disorders. PMID- 29226581 TI - Mixoploidy combined with aneuploidy in a 13 year-old patient with severe multiple congenital abnormalities and intellectual disability. PMID- 29226583 TI - Reducing the burden of diabetes complications. PMID- 29226582 TI - Proof of concept testing of a positive reference material for in vivo and in vitro skin irritation testing. AB - In vivo and in vitro irritation testing is important for evaluating the biological safety of medical devices. Here, the performance of positive reference materials for skin irritation testing was evaluated. Four reference standards, referred to as Y-series materials, were analyzed: a polyvinyl chloride (PVC) sheet spiked with 0 (Y-1), 1.0 (Y-2), 1.5 (Y-3), or 10 (Y-4) parts of Genapol X 080 per 100 parts of PVC by weight. Y-1, Y-2, and Y-3 did not induce skin irritation responses in an in vitro reconstructed human epidermis (RhE) tissue model, as measured by tissue viability or interleukin-1alpha release, or in an in vivo intracutaneous response test using rabbits. In contrast, Y-4 extracts prepared with saline or sesame oil at 37 degrees C and 50 degrees C clearly elicited positive irritation responses, including reduced viability (< 50%) and significantly higher interleukin-1alpha release compared with the solvent alone group, in the RhE tissue model and an intracutaneous response test, where substantial necrosis was observed by histopathology. The positive skin irritation responses induced in vitro under various extraction conditions, as well as those elicited in vivo, indicate that Y-4 is an effective extractable positive control material for in vivo and in vitro skin irritation tests of medical devices. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2807 2814, 2018. PMID- 29226584 TI - Wool-derived keratin hydrogel enhances implant osseointegration in cancellous bone. AB - AIM: This study investigated whether a keratin hydrogel derived from wool enhances ossointegration of dental implants, using a cancellous bone model in sheep. METHOD: Ten female sheep received one dental implant per hind leg in the distal femoral condyles. Test implants were coated with 1 mL of keratin hydrogel containing sulphonated keratin and hydroxyapatite; control implants remained uncoated; implants were not functionally loaded axially. Biomechanical stability was tested with resonance frequency analysis (RFA) at placement and euthanasia. Animals were sacrificed after 4 weeks and resin-embedded histomorphometry performed. FINDINGS: Bone appeared denser and more mature around the keratin treated test implants. Average % bone-implant contact was significantly increased for the test (58.1 +/- 4.6 [SD]%) compared to control implants (34.4 +/- 7.5%) (p = 0.01). RFA values were lower for control (76.5 +/- 4.2 ISQ) than test implants (80.4 +/- 1.4) after 4 weeks (p = 0.04). CONCLUSION: the increase in osseointegration found in this model suggests that keratin hydrogel has the potential to enhance the successful osseointegration of dental implants placed into poor quality bone. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2447-2454, 2018. PMID- 29226585 TI - Block Copolymer Self-Assembly in Solution-Quo Vadis? AB - The desire to increase complexity while maintaining control over every aspect of the process itself might be used as a provocative description of the developments in block copolymer self-assembly in solution over the last decade. The community has witnessed tremendous progress, not only with regard to the design of building blocks, but also in terms of understanding assembly pathways, interfacial properties, or kinetic obstacles. In particular, the latter can be of interest (and actually turned into an advantage) if structures that are not in thermodynamic equilibrium are targeted. Within this focus review, we aim to highlight the key developments and trends that we have identified during the last five years: the development of step-wise and dynamic processes, different means to impart further hierarchy into solution-borne nanostructures, and a partial shift in focus towards gradient and bottlebrush block copolymers. PMID- 29226586 TI - Protective effect of gentiopicroside from Gentiana macrophylla Pall. in ethanol induced gastric mucosal injury in mice. AB - Gentiopicroside isolated from gentiana macrophylla Pall. belongs to iridoid glycosides. This study aimed to evaluate the protective effect of gentiopicroside against ethanol-induced gastric mucosal injury in mice. Mice were proactively administrated with gentiopicroside by intragastric administration once a day for 3 consecutive days. On the 3rd day, gastric ulcer in mice was induced with 70% ethanol after the last intragastric administration. The stomach tissues were submitted for evaluation of the severity of gastric mucosal alterations. Gentiopicroside administrated orally ameliorated the severity of gastric mucosal alterations. Oral administration of gentiopicroside significantly increased heat shock protein-70 and glutathione levels and superoxide dismutase activity, normalized epidermal growth factor and vascular endothelial growth factor levels, and decreased the levels of tumour necrosis factor-alpha, interleukin-6 and malondialdehyde, and myeloperoxidase activity in gastric tissue. These findings demonstrated that gentiopicroside has protective effect against ethanol-induced gastric mucosal injury in mice through the improvements of antioxidative and anti inflammatory effects, as well as up-regulation of heat shock protein-70 level and normalization of epidermal growth factor and vascular endothelial growth factor levels. The results presented in this study provide some evidence for the development of a novel antigastric ulcer agent. PMID- 29226587 TI - Cellular models for beta-cell function and diabetes gene therapy. AB - Diabetes is characterized by the destruction and/or relative dysfunction of insulin-secreting beta-cells in the pancreatic islets of Langerhans. Consequently, considerable effort has been made to understand the physiological processes governing insulin production and secretion in these cells and to elucidate the mechanisms involved in their deterioration in the pathogenesis of diabetes. To date, considerable research has exploited clonal beta-cell lines derived from rodent insulinomas. Such cell lines have proven to be a great asset in diabetes research, in vitro drug testing, and studies of beta-cell physiology and provide a sustainable, and in many cases, more practical alternative to the use of animals or primary tissue. However, selection of the most appropriate rodent beta cell line is often challenging and no single cell line entirely recapitulates the properties of human beta-cells. The generation of stable human beta-cell lines would provide a much more suitable model for studies of human beta-cell physiology and pathology and could potentially be used as a readily available source of implantable insulin-releasing tissue for cell-based therapies of diabetes. In this review, we discuss the history, development, functional characteristics and use of available clonal rodent beta-cell lines, as well as reflecting on recent advances in the generation of human-derived beta-cell lines, their use in research studies and their potential for cell therapy of diabetes. PMID- 29226588 TI - Multigene editing via CRISPR/Cas9 guided by a single-sgRNA seed in Arabidopsis. AB - We report that a solo single-guide RNA (sgRNA) seed is capable of guiding Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR associated 9 (CRISRP/Cas9) to simultaneously edit multiple genes AtRPL10A, AtRPL10B and AtRPL10C in Arabidopsis. Our results also demonstrate that it is possible to use CRISPR/Cas9 technology to create AtRPL10 triple mutants which otherwise cannot be generated by conventional genetic crossing. Compared to other conventional multiplex CRISPR/Cas systems, a single sgRNA seed has the advantage of reducing off-target gene-editing. Such a gene editing system might be also applicable to modify other homologous genes, or even less-homologous sequences for multiple gene-editing in plants and other organisms. PMID- 29226589 TI - Hydrochlorothiazide and acute urinary acidification: The "voltage hypothesis" of ENaC-dependent H+ secretion refuted. AB - AIM: The "voltage hypothesis" of H+ secretion states that urinary acidification following increased Na+ delivery to the collecting duct (CD) is ENaC dependent leading to transepithelial voltage-dependent increase in H+ secretion. We recently showed that furosemide acidifies the urine independently of ENaC activity. If the voltage hypothesis holds, hydrochlorothiazide (HCT) must acidify the urine. We here tested the acute effect of HCT on urine pH under normal and high ENaC expression. METHODS: Mice subjected to a control or a low-Na+ diet were anesthetized and infused (0.5 mL h-1 ) with saline. Catheterization of the urinary bladder allowed real-time measurement of diuresis and urine pH. Mice received either HCT (1 mg mL-1 ) or vehicle. Urinary Na+ and K+ excretions were determined by flame photometry. ENaC expression levels were measured by semi quantitative Western blotting. RESULTS: (1) HCT increased diuresis and natriuresis in both diet groups. (2) K+ excretion rates increased after HCT administration from 18.6 +/- 1.3 to 31.7 +/- 2.5 MUmol h-1 in the control diet group and from 23.0 +/- 1.3 to 48.7 +/- 3.0 MUmol h-1 in the low-Na+ diet group. (3) Mice fed a low-Na+ diet showed a marked upregulation of ENaC. (4) Importantly, no acute changes in urine pH were observed after the administration of HCT in either group. CONCLUSION: Acute administration of HCT has no effect on urine pH. Similarly, substantial functional and molecular upregulation of ENaC did not cause HCT to acutely change urine pH. Thus, an increased Na+ load to the CD does not alter urine pH. This supports our previous finding and likely falsifies the voltage hypothesis of H+ secretion. PMID- 29226590 TI - DHEAS patterning across childhood in three sub-Saharan populations: Associations with age, sex, ethnicity, and cortisol. AB - OBJECTIVES: Hormones have many roles in human ontogeny, including the timing of life history 'switch points' across development. Limited hormonal data exist from non-Western children, leaving a significant gap in our understanding of the diversity of life history patterning. This cross-sectional study examines dehydroepiandrosterone sulfate (DHEAS) production in relation to age, sex, ethnicity, and cortisol concentrations, as well as average age of adrenarche, among Aka and Ngandu children of the Central African Republic and Sidama children of Ethiopia. METHODS: Hair was collected from 480 children (160 per population) aged 3-18 years old. These samples were analyzed for DHEAS and cortisol concentrations using ELISAs. A generalized additive model was used to examine DHEAS patterning in relation to age, sex, cortisol, and ethnicity. The derivative of DHEAS as a function of age was used to identify average age of adrenarche in each population. RESULTS: DHEAS patterning in these three populations is distinct from Euro-American patterns of production. In all three groups, the population level age at adrenarche onset occurs slightly later than Euro-American averages, with both Central African populations experiencing a later onset than the Ethiopian population. CONCLUSIONS: DHEAS patterns and age at adrenarche vary across cultures, perhaps indicating adaptive life history responses in diverse eco-cultural environments. Delayed involution of the fetal zone and DHEAS patterning may offer both cognitive protection and immune defense in high-risk, nutritionally-poor environments. Additional research in the majority world is essential to improving our understanding of the diversity of hormonal development and timing of 'switch points' in life history trajectories. PMID- 29226592 TI - Comment on Hopwood et al., "the time has come for dimensional personality disorder diagnosis". PMID- 29226591 TI - Validating a prediction modeling tool for left ventricular outflow tract (LVOT) obstruction after transcatheter mitral valve replacement (TMVR). AB - OBJECTIVE: Demonstrate proof-of-concept validation of a computed tomography (CT) computer-aided design prediction modeling tool to identify patients at risk for left ventricular outflow tract (LVOT) obstruction in transcatheter mitral valve replacement (TMVR). BACKGROUND: LVOT obstruction is a significant and even fatal consequence of TMVR. METHODS: From August 2013 to August 2017, 38 patients in 5 centers underwent TMVR with compassionate use of balloon-expandable valves for severe mitral valve dysfunction because of degenerative surgical mitral ring, bioprosthesis, or severe native mitral stenosis from to severe mitral annular calcification. All patients had preprocedural CT scans performed for anatomic screening, intraprocedural TEE and invasive hemodynamics performed. Preprocedural prediction modeling was performed utilizing computer-aided design (CAD) of the neo-LVOT post-TMVR. Post-TMVR CT scans were obtained and compared to pre-TMVR LVOT modeling datasets for validation. RESULTS: All patients underwent successful TMVR without device embolization. Seven of the 38 patients experienced LVOT obstruction, defined as an increase of >=10 mmHg LVOT peak gradient post-TMVR. Anatomic screening using CT was validated in 20/38 patients as preprocedural predicted neo-LVOT surface area correlated well with post-TMVR measurements (R2 = 0.8169, P < 0.0001). A receiver operating curve curve found a predicted neo LVOT surface area of <= 189.4 mm2 to have 100% sensitivity and 96.8% specificity for predicting TMVR-induced LVOT obstruction. CONCLUSION: CAD design and CT postprocessing are indispensable tools in predicting LVOT obstruction and necessary for anatomic screening in percutaneous TMVR. PMID- 29226593 TI - The face in marfan syndrome: A 3D quantitative approach for a better definition of dysmorphic features. AB - Marfan syndrome (MFS) is a rare hereditable disorder of connective tissue caused by mutations in the fibrillin-1 gene FBN1. Timely diagnosis of MFS is essential to prevent life-threatening cardiovascular complications; nevertheless it can be difficult owing to the phenotypic variability of the syndrome. No clear quantitative definition of facial abnormalities associated with MFS is available. The aim of this study was to improve the definition of the facial phenotype associated with MFS and to verify the usefulness of a 3D noninvasive quantitative approach for its early recognition. 3D facial images of 61 Italian subjects with MFS, aged 16-64 years (21 males, 38 +/- 15 years; 40 females, 41 +/- 13 years) were obtained by stereophotogrammetry. From the coordinates of 17 soft-tissue facial landmarks, linear distances and angles were computed; z score values were calculated to compare patients with healthy reference subjects (400 males, 379 females) matched for sex and age. Student's t test was used for statistical comparisons. All subjects with MFS showed greater facial divergence (P < 0.001; mean z score +1.9) and a lower facial height index (P < 0.001; mean z score -1.9) than reference subjects, both values being influenced by a shorter mandibular ramus (P < 0.001; mean z score -1.9) and a mild but significant increase in facial height (P < 0.001; mean z score +1.2). Palpebral down-slanting was found in 85% of MFS subjects. There were no sex differences. Quantitative abnormalities identified in this study enrich information about the facial dysmorphism in MFS and confirm its usefulness for early recognition of the disease. Clin. Anat. 31:380-386, 2018. (c) 2017 Wiley Periodicals, Inc. PMID- 29226594 TI - Selective Surface Enhanced Raman Scattering for Quantitative Detection of Lung Cancer Biomarkers in Superparticle@MOF Structure. AB - Surface enhanced Raman scattering (SERS) is a trace detection technique that extends even to single molecule detection. Its potential application to the noninvasive recognition of lung malignancies by detecting volatile organic compounds (VOCs) that serve as biomarkers would be a breakthrough in early cancer diagnostics. This application, however, is currently limited by two main factors: (1) most VOC biomarkers exhibit only weak Raman scattering; and (2) the high mobility of gaseous molecules results in a low adsorptivity on solid substrates. To enhance the adsorption of gaseous molecules, a ZIF-8 layer is coated onto a self-assembly of gold superparticles (GSPs) in order to slow the flow rate of gaseous biomarkers and depress the exponential decay of the electromagnetic field around the GSP surfaces. Gaseous aldehydes that are released as a result of tumor specific tissue composition and metabolism, thereby acting as indicators of lung cancer, are guided onto SERS-active GSPs substrates through a ZIF-8 channel. Through a Schiff base reaction with 4-aminothiophenol pregrafted onto gold GSPs, gaseous aldehydes are captured with a 10 ppb limit of detection, demonstrating tremendous prospects for in vitro diagnoses of early stage lung cancer. PMID- 29226595 TI - Self-Assembly of TbPc2 Single-Molecule Magnets on Surface through Multiple Hydrogen Bonding. AB - The complexation between 2-ureido-4[1H]-pyrimidinone (UPy) and 2,7-diamido-1,8 naphthyridine (NaPy) is used to promote the mild chemisorption of a UPy functionalized terbium(III) double decker system on a silicon surface. The adopted strategy allows the single-molecule magnet behavior of the system to be maintained unaltered on the surface. PMID- 29226596 TI - State of the art review: Chemotherapy-induced cardiotoxicity in children. AB - Chemotherapy-induced cardiotoxicity in adults and children is a topic with a growing interest in the cardiology literature. The ability to detect cardiac dysfunction in a timely manner is essential in order to begin adequate treatment and prevent further deterioration. This article aims to provide a review on the myocardial injury process, chemotherapeutic agents that lead to cardiotoxicity, the definition of cardiotoxicity, and the methods of timely detection and treatment. PMID- 29226597 TI - Prognostic significance of interim 18 F-fluorodeoxyglucose positron emission tomography-computed tomography volumetric parameters in metastatic or recurrent gastric cancer. AB - AIM: To evaluate the prognostic role of interim analysis of 18F fluorodeoxyglucose (FDG) positron emission tomography-computed tomography (PET/CT) volumetric parameters in patients with recurrent or metastatic advanced gastric cancer (AGC) treated with fluoropyrimidine-based palliative chemotherapy. METHODS: Forty-four patients who underwent baseline and interim PET/CT scanning during palliative chemotherapy were analyzed retrospectively. Initial and change of metabolic parameters (MP) - metabolic tumor volume (MTV), tumor lesion glycolysis (TLG) and maximum and mean standardized uptake values (SUV) were measured with PET/CT. Metabolic change was measured by ?MP (%) = (MPinterim - MPinitial )/MP initial * 100. Independent t-test was employed to compare values of initial, interim and change of metabolic parameters between each response group. Log-rank test was employed for univariate analysis, and multivariate analysis was performed using the Cox proportional hazards regression model to determine independently significant prognostic factors. RESULTS: Reduced percentage values of maximum and mean SUV on interim PET/CT and initial values of volumetric parameters (MTV and TLG) were significant predicting factors to response to fluoropyrimidine-based palliative chemotherapy. The decreased percentage values of metabolic parameters as well as maximum and mean SUV with receiver operating characteristic (ROC) curve determined cut-off points were significant prognostic factors for overall survival and progression-free survival in univariate and multivariate analyses. CONCLUSION: Measurement of metabolic decrease of volumetric parameters by interim PET/CT analysis is useful to determine the prognosis of patients with recurrent or metastatic AGC. PMID- 29226598 TI - The time has come for dimensional personality disorder diagnosis. PMID- 29226599 TI - MicroRNA-transcription factor interactions and their combined effect on target gene expression in colon cancer cases. AB - Transcription factors (TFs) and microRNAs (miRNAs) regulate gene expression: TFs by influencing messenger RNA (mRNA) transcription and miRNAs by influencing mRNA translation and transcript degradation. Additionally, miRNAs and TFs alter each other's expression, making it difficult to ascertain the effect either one has on target gene (TG) expression. In this investigation, we use a two-way interaction model with the TF and miRNA as independent variables to investigate whether miRNAs and TFs work together to influence TG expression levels in colon cancer subjects. We used known TF binding sites and validated miRNA targets to determine potential miRNA-TF-TG interactions, restricting interactions to those with a TF previously associated with altered risk of colorectal cancer death. We analyzed interactions using normal colonic mucosa expression as well as differential expression, which is measured as colonic carcinoma expression minus normal colonic mucosa expression. We analyzed 3518 miRNA-TF-TG triplets using normal mucosa expression and 617 triplets using differential expression. Normal colonic RNA-Seq data were available for 168 individuals; of these, 159 also had carcinoma RNA-Seq data. Thirteen unique miRNA-TF-TG interactions, comprising six miRNAs, four TFs, and 11 TGs, were statistically significant after adjustment for multiple comparisons in normal colonic mucosa, and 14 unique miRNA-TF-TG interactions, comprising two miRNAs, two TFs, and 13 TGs, were found for carcinoma-normal differential expression. Our results show that TG expression is influenced by both miRNAs as well as TFs, and the influence of one regulator impacts the effect of the other on the shared TG expression. PMID- 29226601 TI - A Theoretical Review on Interfacial Thermal Transport at the Nanoscale. AB - With the development of energy science and electronic technology, interfacial thermal transport has become a key issue for nanoelectronics, nanocomposites, energy transmission, and conservation, etc. The application of thermal interfacial materials and other physical methods can reliably improve the contact between joined surfaces and enhance interfacial thermal transport at the macroscale. With the growing importance of thermal management in micro/nanoscale devices, controlling and tuning the interfacial thermal resistance (ITR) at the nanoscale is an urgent task. This Review examines nanoscale interfacial thermal transport mainly from a theoretical perspective. Traditional theoretical models, multiscale models, and atomistic methodologies for predicting ITR are introduced. Based on the analysis and summary of the factors that influence ITR, new methods to control and reduce ITR at the nanoscale are described in detail. Furthermore, the challenges facing interfacial thermal management and the further progress required in this field are discussed. PMID- 29226600 TI - Loss of skills and onset patterns in neurodevelopmental disorders: Understanding the neurobiological mechanisms. AB - : Patterns of onset in Autism Spectrum Disorder, including a pattern that includes loss of previously acquired skills, have been identified since the first reports of the disorder. However, attempts to study such "regression" have been limited to clinical studies, that until recently mostly involved retrospective reports. The current report reflects discussion that occurred at an NIMH convened meeting in 2016 with the purpose of bridging clinical autism research with basic and translational work in this area. This summary describes the state of the field with respect to clinical studies, describing gaps in knowledge based on limited methods and prospective data collected. Biological mechanisms that have been shown to account for regression early in development in specific conditions are discussed, as well as potential mechanisms that have not yet been explored. Suggestions include use of model systems during the developmental period and cutting-edge methods, including non-invasive imaging that may afford opportunities for a better understanding of the neurobiological pathways that result in loss of previously-attained skills. Autism Res 2018, 11: 212-222. (c) 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: Loss of previously acquired skills, or regression, has been reported in Autism Spectrum Disorder since Kanner's reports in the 1950's. The current report reflects discussion from an NIMH convened meeting in 2016 with the purpose of bridging clinical autism research with basic and translational work in this area. This summary describes the state of the field regarding clinical studies and suggests use of model systems during the developmental period and cutting-edge methods, for a better understanding of the neurobiological pathways that result in loss of previously-attained skills. PMID- 29226602 TI - First report of carp oedema virus infection of koi (Cyprinus carpio haematopterus) in the Republic of Korea. AB - Twenty-five koi (Cyprinus carpio haematopterus) bought from a wholesale fish market in Korea, showed lethargic behaviour and 100% mortality within 20 days. Carp oedema virus (CEV) was detected by PCR in all 25 koi. Results of detailed histopathological and clinical examinations of 17 koi indicated loss of body balance, severe infiltration of inflammatory cells into the inter-lamellar spaces of the gills and vacuolization and inclusion bodies in gill epithelial cells. Sequence analysis of PCR products of these koi showed up to 99% identity to the previously reported sequences, suggesting that the observed mass mortality resulted from koi sleepy disease (KSD) due to CEV infection. To the best of our knowledge, this study is the first report of KSD in the Republic of Korea. Partial sequences of 4a protein from the virus indicated that the present CEV detected in koi from Korea is more closely related to that from the UK and Poland than from Japan. The present findings indicate that the prevalence and spread of KSD must be closely monitored in both European and Asian countries to avoid potential economic losses to the global koi industry. PMID- 29226603 TI - Long TE STEAM and PRESS for estimating fat olefinic/methyl ratios and relative omega-3 fat content at 3T. AB - BACKGROUND: Fat olefinic/methyl ratios provide a measure of fat unsaturation. The methyl resonance linewidth is altered with the presence of omega-3 fat. PURPOSE: To optimize stimulated echo acquisition mode (STEAM) and point resolved spectroscopy (PRESS) echo times (TE) at 3T to 1) improve olefinic/methyl ratios and 2) enable relative omega-3 fat content assessment. STUDY TYPE: Technical development on phantoms and healthy volunteers. POPULATION: Nine edible oils and four healthy volunteers (tibial bone marrow). FIELD STRENGTH/SEQUENCE: STEAM (mixing time = 20 msec) and PRESS sequences at 3T. High-resolution oil spectra at 16.5T. ASSESSMENT: 3T STEAM and PRESS olefinic/methyl ratios as a function of TE were compared to 16.5T measures for the oils, and to a literature-deduced value for tibial bone marrow. Oil methyl linewidths were calculated at each TE to investigate correlation with expected omega-3 fatty acid content. STATISTICAL TESTS: Percent differences were calculated between oil olefinic/methyl ratios obtained at 3T and 16.5T. Linear regression R2 values measured correlation of methyl linewidth to omega-3 content. RESULTS: STEAM, TE = 120 msec, resulted in average oil olefinic/methyl ratios that differ by about -4.8% compared to high resolution ratios. Tibial bone marrow olefinic/methyl ratios differ by -1.8% compared with literature-obtained ratios. PRESS, TE = 180 msec, resulted in oil ratios that differ by 7.8% and tibial bone marrow ratios that differ by 0.2%. A TE of 160 msec for both STEAM and PRESS enabled relative levels of oil omega-3 fatty acid content to be estimated (R2 values >=0.9). DATA CONCLUSION: STEAM, TE = 120 msec (mixing time = 20 msec), and PRESS, TE = 180 msec, optimally estimated olefinic/methyl ratios. STEAM and PRESS, TE = 160 msec, enable relative oil omega 3 fatty acid estimation from methyl linewidths. LEVEL OF EVIDENCE: 1 Technical Efficacy Stage 1 J. Magn. Reson. Imaging 2017. PMID- 29226604 TI - An international qualitative study of functioning in autism spectrum disorder using the World Health Organization international classification of functioning, disability and health framework. AB - : This is the third in a series of four empirical studies designed to develop International Classification of Functioning, Disability and Health (ICF) Core Sets for Autism Spectrum Disorder (ASD). The present study aimed to describe functioning in ASD (as operationalized by the ICF) derived from the perspectives of diagnosed individuals, family members, and professionals. A qualitative study using focus groups and semi-structured interviews were conducted with 19 stakeholder groups (N = 90) from Canada, India, Saudi Arabia, South Africa, and Sweden. Meaningful concepts from the focus groups and individual interviews were linked to ICF categories using a deductive qualitative approach with standardized linking procedures. The deductive qualitative content analysis yielded meaningful functioning concepts that were linked to 110 ICF categories across all four ICF components. Broad variation of environmental factors and activities and participation categories were identified in this study, while body functions consisted mainly of mental functions. Body structures were sparsely mentioned by the participants. Positive aspects of ASD included honesty, attention to detail, and memory. The experiences provided by international stakeholders support the need to understand individuals with ASD in a broader perspective, extending beyond diagnostic criteria into many areas of functioning and environmental domains. This study is part of a larger systematic effort that will provide the basis to define ICF Core Sets for ASD, from which assessment tools can be generated for use in clinical practice, research, and health care policy making. Autism Res 2018, 11: 463-475. (c) 2017 The Authors Autism Research published by International Society for Autism Research and Wiley Periodicals, Inc. LAY SUMMARY: The study findings support the need to understand the living experiences of individuals with Autism Spectrum Disorder (ASD) from a broader perspective, taking into account many areas of an individual's functioning and environment. The ICF can serve as foundation for exploring these living experiences more extensively by offering tools that enable wide variety of individual difficulties and strengths to be captured along with important environmental influences. As such, these tools can facilitate interventions that meet the needs and goals of the individual. PMID- 29226605 TI - Selective Coassembly of Aromatic Amino Acids to Fabricate Hydrogels with Light Irradiation-Induced Emission for Fluorescent Imprint. AB - Controlling the structural parameters in coassembly is crucial for the fabrication of multicomponent functional materials. Here a proof-of-concept study is presented to reveal the alpha-substituent effect of aromatic amino acids on their selective coassembly with bipyridine binders. With the assistance of X-ray scattering technique, it is found that individual packing in the solid state as well as bulky effect brought by alpha-substitution determines the occurrence of coassembly. A well-performed hydrogels based on the complexation between certain aromatic amino acids and bipyridine units are successfully constructed, providing unprecedented smart materials with light irradiation-triggered luminescence. Such hydrogels without the phase separation and photobleaching during light irradiation are able to behave fluorescent imprint materials. This study provides a suitable protocol in rationally designing amino acid residues of short peptides for fabricating self-assembled multicomponent materials. In addition, this protocol is useful in screening potential functional materials on account of diverse self-assembly behavior. PMID- 29226606 TI - The challenges of implementing an integrated One Health surveillance system in Australia. AB - As 75 per cent of emerging infectious diseases are of animal origin, a One Health approach that integrates the health of humans, animals and the environment could provide an earlier opportunity for zoonotic disease detection and prevention. In Australia, human, animal and ecological health are managed by separate sectors with limited communication. This study aims to explore how professionals in these fields perceive a One Health approach to zoonotic disease surveillance, aiming to identify the challenges to the implementation of an integrated system in Australia. Using a qualitative research method, ten semistructured interviews were conducted with academic experts to gain insight into the possibility of developing an integrated surveillance system in Australia. A thematic analysis of the data was undertaken. Findings showed the absence of a clear definition and subsequent vision for the future of One Health act as a barrier to interdisciplinary collaboration, and that siloed approaches by different sectors restrict the ability for professionals to work collaboratively across disciplines. An understanding of disease transmission was considered by participants to be a necessary requirement for a successful One Health approach. Finally, participants considered political will an essential requirement for the integration of surveillance systems. This study demonstrates that for a One Health approach to be implemented in an Australian setting, those working in the fields of human, animal and ecological health must agree on several aspects. The establishment of a formal governance body with representatives from each sector could assist in overcoming long-standing barriers of privacy and distrust. Further, developing interdisciplinary training in One Health concepts for medical, environmental and veterinary students may encourage cross-disciplinary collaboration. Finally, demonstrating to policymakers the economic benefit of improved and timely detection of zoonoses may help in facilitating a structured One Health approach to disease surveillance in Australia. PMID- 29226607 TI - Comparison of the Convolution algorithm with TMR10 for Leksell Gamma knife and dosimetric verification with radiochromic gel dosimeter. AB - The Convolution algorithm, implemented in Leksell GammaPlan(r) ver. Here, 10, is the first algorithm for Leksell Gamma Knife that takes heterogeneities into account and models dose build-up effects close to tissue boundaries. The aim of this study was preliminary comparison of the Convolution and TMR10 algorithms for real clinical cases and dosimetric verification of the algorithms, using measurements in a phantom. A total of 25 patients involved in comparison of the Convolution and TMR10 algorithms were divided into three groups: patients with benign tumors close to heterogeneities, patients with functional disorders, and patients with tumors located far from heterogeneities. Differences were observed especially in the group of patients with tumors close to heterogeneities, where the difference in maximal dose to critical structures for the Convolution algorithm was up to 15% compared to the TMR10 algorithm. Dosimetric verification of the algorithm was performed, using a radiochromic gel dosimeter based on Turnbull blue dye in a special heterogeneous phantom. Relative dose distributions measured with the radiochromic gel dosimeter agreed very well with both the TMR10 and Convolution calculations. We observed small discrepancies in the direction in which the largest inhomogeneity was positioned. Verification results indicated that the Convolution algorithm provides a different dose distribution, especially in regions close to heterogeneities and particularly for lower isodose volumes. However, the results obtained with gamma analyses in the gel dosimetry experiment did not verify the assumption that the Convolution algorithm provides more accurate dose calculation. PMID- 29226608 TI - Internal adaptation of resin composite restorations with different thicknesses of glass ionomer cement lining. AB - AIM: The aim of the present study was to investigate the effect of the thin or thick placement of resin-modified glass ionomer cement (RMGIC) lining on the adaptation of resin composite restorations bonded with two types of adhesive. METHODS: Sixty deep occlusal cavities were prepared and divided into two groups: etch-and-rinse adhesive (Single Bond 2) or self-etching adhesive (Clearfil SE Bond). Specimens were further divided into three subgroups: no lining (control), lined with 0.5 mm-thin RMGIC, or lined with 1 mm-thick RMGIC (Vitrebond). Each cavity was bonded, restored with resin composite, and sectioned to obtain two specimens. One specimen was stained with 2% methylene blue, and dye staining at the pulpal floor and cavity walls was calculated. Other specimens were investigated for micro-gap formation using scanning electron microscopy (SEM). RESULTS: For Single Bond 2, dye staining was not significantly different among the three groups. For Clearfil SE Bond, lining absence showed the lowest dye staining at the pulpal floor. Dye staining of 0.5 mm-thin RMGIC significantly increased, but 1 mm-thick RMGIC tended to reduce dye staining. Comparing the two adhesives, there was no significant difference in dye staining. From the SEM images, micro-gaps were more frequently observed in the 0.5 mm-thin lining groups. CONCLUSIONS: RMGIC should be placed as a thick lining, if indicated. PMID- 29226609 TI - A P2-Type Layered Superionic Conductor Ga-Doped Na2 Zn2 TeO6 for All-Solid-State Sodium-Ion Batteries. AB - Here, a P2-type layered Na2 Zn2 TeO6 (NZTO) is reported with a high Na+ ion conductivity ~0.6*10-3 S cm-1 at room temperature (RT), which is comparable to the currently best Na1+n Zr2 Sin P3-n O12 NASICON structure. As small amounts of Ga3+ substitutes for Zn2+ , more Na+ vacancies are introduced in the interlayer gaps, which greatly reduces strong Na+ -Na+ coulomb interactions. Ga-substituted NZTO exhibits a superionic conductivity of ~1.1*10-3 S cm-1 at RT, and excellent phase and electrochemical stability. All solid-state batteries have been successfully assembled with a capacity of ~70 mAh g-1 over 10 cycles with a rate of 0.2 C at 80 degrees C. 23 Na nuclear magnetic resonance (NMR) studies on powder samples show intra-grain (bulk) diffusion coefficients DNMR on the order of 12.35*10-12 m2 s-1 at 65 degrees C that corresponds to a conductivity sigmaNMR of 8.16*10-3 S cm-1 , assuming the Nernst-Einstein equation, which thus suggests a new perspective of fast Na+ ion conductor for advanced sodium ion batteries. PMID- 29226610 TI - Nuclear magnetic resonance-based metabolomics identifies phenylalanine as a novel predictor of incident heart failure hospitalisation: results from PROSPER and FINRISK 1997. AB - AIMS: We investigated the association between quantified metabolite, lipid and lipoprotein measures and incident heart failure hospitalisation (HFH) in the elderly, and examined whether circulating metabolic measures improve HFH prediction. METHODS AND RESULTS: Overall, 80 metabolic measures from the PROspective Study of Pravastatin in the Elderly at Risk (PROSPER) trial were measured by proton nuclear magnetic resonance spectroscopy (n = 5341; 182 HFH events during 2.7-year follow-up). We repeated the work in FINRISK 1997 (n = 7330; 133 HFH events during 5-year follow-up). In PROSPER, the circulating concentrations of 13 metabolic measures were found to be significantly different in those who were later hospitalised for heart failure after correction for multiple comparisons. These included creatinine, phenylalanine, glycoprotein acetyls, 3-hydroxybutyrate, and various high-density lipoprotein measures. In Cox models, two metabolites were associated with risk of HFH after adjustment for clinical risk factors and N-terminal pro-B-type natriuretic peptide (NT-proBNP): phenylalanine [hazard ratio (HR) 1.29, 95% confidence interval (CI) 1.10-1.53; P = 0.002] and acetate (HR 0.81, 95% CI 0.68-0.98; P = 0.026). Both were retained in the final model after backward elimination. Compared to a model with established risk factors and NT-proBNP, this model did not improve the C-index but did improve the overall continuous net reclassification index (NRI 0.21; 95% CI 0.06-0.35; P = 0.007) due to improvement in classification of non-cases (NRI 0.14; 95% CI 0.12-0.17; P < 0.001). Phenylalanine was replicated as a predictor of HFH in FINRISK 1997 (HR 1.23, 95% CI 1.03-1.48; P = 0.023). CONCLUSION: Our findings identify phenylalanine as a novel predictor of incident HFH, although prediction gains are low. Further mechanistic studies appear warranted. PMID- 29226611 TI - Enhancing the Stability and Immunomodulatory Activity of Liposomal Spherical Nucleic Acids through Lipid-Tail DNA Modifications. AB - Liposomal spherical nucleic acids (LSNAs) are an attractive therapeutic platform for gene regulation and immunomodulation due to their biocompatibility, chemically tunable structures, and ability to enter cells rapidly without the need for ancillary transfection agents. Such structures consist of small (<100 nm) liposomal cores functionalized with a dense, highly oriented nucleic acid shell, both of which are key components in facilitating their biological activity. Here, the properties of LSNAs synthesized using conventional methods, anchoring cholesterol terminated oligonucleotides into a liposomal core, are compared to LSNAs made by directly modifying the surface of a liposomal core containing azide-functionalized lipids with dibenzocyclooctyl-terminated oligonucleotides. The surface densities of the oligonucleotides are measured for both types of LSNAs, with the lipid-modified structures having approximately twice the oligonucleotide surface coverage. The stabilities and cellular uptake properties of these structures are also evaluated. The higher density, lipid functionalized structures are markedly more stable than conventional cholesterol based structures in the presence of other unmodified liposomes and serum proteins as evidenced by fluorescence assays. Significantly, this new form of LSNA exhibits more rapid cellular uptake and increased sequence-specific toll-like receptor activation in immune reporter cell lines, making it a promising candidate for immunotherapy. PMID- 29226612 TI - Glutaraldehyde cross-linking increases the stability of Lumbricus terrestris erythrocruorin. AB - Since donated red blood cells must be constantly refrigerated, they are not available in remote areas and battlefields. We have previously shown that the hemoglobin of the earthworm Lumbricus terrestris (LtEc) is an effective and safe substitute for donated blood that is stable enough to be stored for long periods at the relatively high temperatures that may be encountered in remote areas. The goal of this study was to further increase the thermal stability of LtEc by covalently cross-linking LtEc with glutaraldehyde (gLtEc). Our results show that the melting temperatures of the gLtEc samples steadily increase as the molar ratio of glutaraldehyde to heme increases (from Tm = 57 degrees C for native LtEc up to Tm = 68 degrees C at a ratio of 128:1). In addition, while native LtEc is susceptible to subunit dissociation at alkaline pH (8-10), cross-linking with glutaraldehyde completely prevents dissociation of gLtEc at pH 10. Increasing the molar ratio of glutaraldehyde:heme also significantly increased the oxygen affinity of gLtEc, but this effect was decreased by cross-linking gLtEc in the deoxygenated T state. Finally, while gLtEc samples cross-linked at low G:H ratios (e.g., 2:1) exhibited slight increases in oxidation rate in Tris buffer, no significant difference in oxidation rate was observed between native LtEc and the gLtEc samples in Ringer's Solution, which contains antioxidants. Overall, cross-linking LtEc with glutaraldehyde significantly increases its thermal and structural stability without any loss of function, making gLtEc an attractive blood substitute for deployment in remote areas and battlefields. (c) 2017 American Institute of Chemical Engineers Biotechnol. Prog., 34:521-528, 2018. PMID- 29226613 TI - Large-scale culture of a megakaryocytic progenitor cell line with a single-use bioreactor system. AB - The increasing application of regenerative medicine has generated a growing demand for stem cells and their derivatives. Single-use bioreactors offer an attractive platform for stem cell expansion owing to their scalability for large scale production and feasibility of meeting clinical-grade standards. The current work evaluated the capacity of a single-use bioreactor system (1 L working volume) for expanding Meg01 cells, a megakaryocytic (MK) progenitor cell line. Oxygen supply was provided by surface aeration to minimize foaming and orbital shaking was used to promote oxygen transfer. Oxygen transfer rates (kL a) of shaking speeds 50, 100, and 125 rpm were estimated to be 0.39, 1.12, and 10.45 h 1 , respectively. Shaking speed was a critical factor for optimizing cell growth. At 50 rpm, Meg01 cells exhibited restricted growth due to insufficient mixing. A negative effect occurred when the shaking speed was increased to 125 rpm, likely caused by high hydrodynamic shear stress. The bioreactor culture achieved the highest growth profile when shaken at 100 rpm, achieving a total expansion rate up to 5.7-fold with a total cell number of 1.2 +/- 0.2 * 109 cells L-1 . In addition, cells expanded using the bioreactor system could maintain their potency to differentiate following the MK lineage, as analyzed from specific surface protein and morphological similarity with the cells grown in the conventional culturing system. Our study reports the impact of operational variables such as shaking speed for growth profile and MK differentiation potential of a progenitor cell line in a single-use bioreactor. (c) 2017 American Institute of Chemical Engineers Biotechnol. Prog., 34:362-369, 2018. PMID- 29226615 TI - Intestinal organoids containing poly(lactic-co-glycolic acid) nanoparticles for the treatment of inflammatory bowel diseases. AB - Inflammatory bowel disease (IBD) causes inflammation to the gastrointestinal tract. Local administration of anti-inflammatory drugs such as 5-aminosalicylic acid (5-ASA) can alleviate the symptoms of IBD. The application of nanoparticles for IBD treatment in direct rectal administration showed high drug availability and treatment efficacy. However, relying on size-dependent adsorption of smaller particles is not sufficient for making the formulation capable of targeting. Intestinal organoids can improve the functionality of the nanoparticles due to their ability to adsorb small nanoparticle inside the lumen and attach to the damaged area. In this study, intestinal organoids were used as carriers of 5-ASA loaded poly(lactic-co-glycolic acid) nanoparticles. The nanoparticle sizes, confirmed by scanning electron microscopy, were 200-300 nm and the zeta potential were negative. The nanoparticles did not have any noticeable pernicious effect on organoid growth and viability. After mixing the nanoparticles with Matrigel and organoids, Rhodamine B loaded inside the nanoparticles was highly detected inside the organoid's lumen after 3 days by confocal fluorescent microscopy and no longer detected in the lumen after day 4. It may be attributed to the ability of the lumen to digest particles. Thus, the organoid Trojan horse system is a possible approach for delivering drugs to inflamed areas. (c) 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 876-886, 2018. PMID- 29226616 TI - Clinical characteristics of maternal mental health service users treated with mood stabilizing or antipsychotic medication. AB - INTRODUCTION: We aimed to investigate the characteristics of pregnant women who required either mood stabilizer or antipsychotic treatment. These women requiring such treatment are likely to be more mentally unwell and thus carry a higher burden of comorbidities associated with poor pregnancy outcomes. METHODS: This retrospective review investigated the common characteristics of pregnant women who were prescribed with antipsychotics or mood stabilizers under a major city's public maternal mental health service. Demographic data, pregnancy factors and prenatal care, stressors and support, concurrent medical and substance abuse problems, and ongoing maternal mental health issues were recorded. RESULTS: Most pregnancies were unplanned. Commonly, social stressors, medical problems, and substance use were identified. The most common diagnosis was bipolar disorder. DISCUSSION: Pregnant women requiring treatment with mood stabilizers or antipsychotics are a complex clinical population, with multiple risk factors for negative pregnancy outcome, before even considering the potential risk from psychotropic agents and mental illness itself. Obtaining reliable data about substance use and medication compliance remains problematic. PMID- 29226617 TI - Activation of glucagon-like peptide-1 receptors in the nucleus accumbens attenuates cocaine seeking in rats. AB - Recent evidence indicates that activation of glucagon-like peptide-1 (GLP-1) receptors reduces cocaine-mediated behaviors and cocaine-evoked dopamine release in the nucleus accumbens (NAc). However, no studies have examined the role of NAc GLP-1 receptors in the reinstatement of cocaine-seeking behavior, an animal model of relapse. Here, we show that systemic infusion of a behaviorally relevant dose of the GLP-1 receptor agonist exendin-4 penetrated the brain and localized with neurons and astrocytes in the NAc. Administration of exendin-4 directly into the NAc core and shell subregions significantly attenuated cocaine priming-induced reinstatement of drug-seeking behavior. These effects were not due to deficits in operant responding or suppression of locomotor activity as intra-accumbal exendin 4 administration had no effect on sucrose-seeking behavior. To determine the effects of GLP-1 receptor activation on neuronal excitability, exendin-4 was bath applied to ex vivo NAc slices from cocaine-experienced and saline-experienced rats following extinction of cocaine-taking behavior. Exendin-4 increased the frequency of action potential firing of NAc core and shell medium spiny neurons in cocaine-experienced rats while no effect was observed in saline controls. In contrast, exendin-4 did not affect the frequency or amplitude of spontaneous excitatory postsynaptic currents or alter the paired-pulse ratios of evoked excitatory postsynaptic currents. These effects were not associated with altered expression of GLP-1 receptors in the NAc following cocaine self-administration. Taken together, these findings indicate that increased activation of GLP-1 receptors in the NAc during cocaine abstinence increases intrinsic, but not synaptic, excitability of medium spiny neurons and is sufficient to reduce cocaine-seeking behavior. PMID- 29226618 TI - Enteroinsular hormones in two siblings with Donohue syndrome and complete leptin deficiency. AB - The main biochemical hallmark of the rare and lethal condition of Donohue syndrome (DS) is hyperinsulinemia. The roles of the gut and other pancreatic hormones involved in glucose metabolism, satiety and energy expenditure have not been previously reported in DS. Two siblings with genetically confirmed DS and extremely low weight underwent a mixed meal (MM) test where pancreatic hormones insulin, C-peptide, glucagon, active amylin, pancreatic polypeptide (PP) as well as gut hormones active glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic peptide (GIP), ghrelin, peptide YY (PYY) and leptin were analyzed using a Multiplex assay. Results were compared to those of 2 pediatric controls. As expected, concentrations of insulin, C-peptide and amylin were very high in DS cases. The serum glucagon concentration was undetectable at the time of hypoglycemia. GIPs concentrations were lower in the DS, however, this was not mimicked by the other incretin, GLP-1. Ghrelin concentrations were mainly undetectable (<13.7 pg/mL) in all participants. DS cases had higher PYY and dampened PP concentrations. Leptin levels remained completely undetectable (<137.0 pg/mL). Patients with DS have extremely high amylin levels, completely undetectable serum glucagon and leptin levels with abnormal satiety regulating hormone PP with a relatively normal ghrelin response during a MM test. The low serum GIP might be acting as physiological brake on insulin secretion. The undetectable serum leptin levels suggest the potential of using leptin analogues as therapy for DS patients. PMID- 29226619 TI - 1D Nanomaterials: Design, Synthesis, and Applications in Sodium-Ion Batteries. AB - Sodium-ion batteries (SIBs) have received extensive attention as ideal candidates for large-scale energy storage systems (ESSs) owing to the rich resources and low cost of sodium (Na). However, the larger size of Na+ and the less negative redox potential of Na+ /Na result in low energy densities, short cycling life, and the sluggish kinetics of SIBs. Therefore, it is necessary to develop appropriate Na storage electrode materials with the capability to host larger Na+ and fast ion diffusion kinetics. 1D materials such as nanofibers, nanotubes, nanorods, and nanowires, are generally considered to be high-capacity and stable electrode materials, due to their uniform structure, orientated electronic and ionic transport, and strong tolerance to stress change. Here, the synthesis of 1D nanomaterials and their applications in SIBs are reviewed. In addition, the prospects of 1D nanomaterials on energy conversion and storage as well as the development and application orientation of SIBs are presented. PMID- 29226620 TI - Comparative potency of obeticholic acid and natural bile acids on FXR in hepatic and intestinal in vitro cell models. AB - Obeticholic acid (OCA) is a semisynthetic farnesoid X receptor (FXR) agonist, an analogue of chenodeoxycholic acid (CDCA) which is indicated for the treatment of primary biliary cholangitis (PBC) in combination with ursodeoxycholic acid (UDCA). OCA efficiently inhibits bile acid synthesis and promotes bile acid efflux via activating FXR-mediated mechanisms in a physiologically relevant in vitro cell system, Sandwich-cultured Transporter Certified TM human primary hepatocytes (SCHH). The study herein evaluated the effects of UDCA alone or in combination with OCA in SCHH. UDCA (<=100 MUmol/L) alone did not inhibit CYP7A1 mRNA, and thus, no reduction in the endogenous bile acid pool observed. UDCA <=100 MUmol/L concomitantly administered with 0.1 MUmol/L OCA had no effect on bile acid synthesis beyond what was observed with OCA alone. Furthermore, this study evaluated human Caco-2 cells (clone C2BBe1) as in vitro intestinal models. Glycine conjugate of OCA increased mRNA levels of FXR target genes in Caco-2 cells, FGF-19, SHP, OSTalpha/beta, and IBABP, but not ASBT, in a concentration dependent manner, while glycine conjugate of UDCA had no effect on the expression of these genes. The results suggested that UDCA <=100 MUmol/L did not activate FXR in human primary hepatocytes or intestinal cell line Caco-2. Thus, co administration of UDCA with OCA did not affect OCA-dependent pharmacological effects. PMID- 29226621 TI - Cenerimod, a novel selective S1P1 receptor modulator with unique signaling properties. AB - Sphingosine-1-phosphate receptor 1 (S1P1 ) modulators sequester circulating lymphocytes within lymph nodes, thereby preventing potentially pathogenic autoimmune cells from exiting into the blood stream and reaching inflamed tissues. S1P1 receptor modulation may thus offer potential to treat various autoimmune diseases. The first nonselective S1P1-5 receptor modulator FTY720/fingolimod/Gilenya(r) has successfully demonstrated clinical efficacy in relapsing forms of multiple sclerosis. However, cardiovascular, hepatic, and respiratory side-effects were reported and there is a need for novel S1P1 receptor modulators with better safety profiles. Here, we describe the discovery of cenerimod, a novel, potent and selective S1P1 receptor modulator with unique S1P1 receptor signaling properties and absence of broncho- and vasoconstrictor effects ex vivo and in vivo. Cenerimod dose-dependently lowered circulating lymphocyte counts in rats and mice after oral administration and effectively attenuated disease parameters in a mouse experimental autoimmune encephalitis (EAE) model. Cenerimod has potential as novel therapy with improved safety profile for autoimmune diseases with high unmet medical need. PMID- 29226622 TI - PDE4 inhibitor rolipram inhibits the expression of microsomal prostaglandin E synthase-1 by a mechanism dependent on MAP kinase phosphatase-1. AB - Phosphodiesterase-4 (PDE4) inhibitors have recently been introduced to the treatment of COPD and psoriatic arthritis. Microsomal prostaglandin E synthase-1 (mPGES-1) is an inducible enzyme synthesizing PGE2 , the most abundant prostanoid related to inflammation and inflammatory pain. mPGES-1 is a potential drug target for novel anti-inflammatory treatments aiming at an improved safety profile as compared to NSAIDs. Here we investigated the effect of the PDE4 inhibitor rolipram on the expression of mPGES-1 in macrophages; and a potential mediator role in the process for MAP kinase phosphatase-1 (MKP-1) which is an endogenous factor limiting the activity of the proinflammatory MAP kinases p38 and JNK. The expression of mPGES-1 was decreased, whereas that of MKP-1 was enhanced by rolipram in wild-type murine macrophages. Interestingly, rolipram did not reduce mPGES-1 expression in peritoneal macrophages from MKP-1-deficient mice. A reduced phosphorylation of JNK, but not p38 MAP kinase, was specifically associated with the decreased expression of mPGES-1. Accordingly, mPGES-1 expression was suppressed by JNK but not p38 inhibitor. These findings underline the significance of the increased MKP-1 expression and decreased JNK phosphorylation associated with the downregulated expression of mPGES-1 by PDE4 inhibitors in inflammation. PMID- 29226624 TI - Burden of health-care costs for patients with heparin replacement for colorectal EMR in Japan. PMID- 29226623 TI - Distortion of KB estimates of endothelin-1 ETA and ETB receptor antagonists in pulmonary arteries: Possible role of an endothelin-1 clearance mechanism. AB - Dual endothelin ETA and ETB receptor antagonists are approved therapy for pulmonary artery hypertension (PAH). We hypothesized that ETB receptor-mediated clearance of endothelin-1 at specific vascular sites may compromise this targeted therapy. Concentration-response curves (CRC) to endothelin-1 or the ETB agonist sarafotoxin S6c were constructed, with endothelin receptor antagonists, in various rat and mouse isolated arteries using wire myography or in rat isolated trachea. In rat small mesenteric arteries, bosentan displaced endothelin-1 CRC competitively indicative of ETA receptor antagonism. In rat small pulmonary arteries, bosentan 10 MUmol L-1 left-shifted the endothelin-1 CRC, demonstrating potentiation consistent with antagonism of an ETB receptor-mediated endothelin-1 clearance mechanism. Removal of endothelium or L-NAME did not alter the EC50 or Emax of endothelin-1 nor increase the antagonism by BQ788. In the presence of BQ788 and L-NAME, bosentan displayed ETA receptor antagonism. In rat trachea (ETB ), bosentan was a competitive ETB antagonist against endothelin-1 or sarafotoxin S6c. Modeling showed the importance of dual receptor antagonism where the potency ratio of ETA to ETB antagonism is close to unity. In conclusion, the rat pulmonary artery is an example of a special vascular bed where the resistance to antagonism of endothelin-1 constriction by ET dual antagonists, such as bosentan or the ETB antagonist BQ788, is possibly due to the competition of potentiation of endothelin-1 by blockade of ETB -mediated endothelin-1 clearance located on smooth muscle and antagonism of ETA - and ETB -mediated contraction. This conclusion may have direct application for the efficacy of endothelin-1 antagonists for treating PAH. PMID- 29226625 TI - Identification of an antibody-based immunoassay for measuring direct target binding of RIPK1 inhibitors in cells and tissues. AB - Therapies that suppress RIPK1 kinase activity are emerging as promising therapeutic agents for the treatment of multiple inflammatory disorders. The ability to directly measure drug binding of a RIPK1 inhibitor to its target is critical for providing insight into pharmacokinetics, pharmacodynamics, safety and clinical efficacy, especially for a first-in-class small-molecule inhibitor where the mechanism has yet to be explored. Here, we report a novel method for measuring drug binding to RIPK1 protein in cells and tissues. This TEAR1 (Target Engagement Assessment for RIPK1) assay is a pair of immunoassays developed on the principle of competition, whereby a first molecule (ie, drug) prevents the binding of a second molecule (ie, antibody) to the target protein. Using the TEAR1 assay, we have validated the direct binding of specific RIPK1 inhibitors in cells, blood and tissues following treatment with benzoxazepinone (BOAz) RIPK1 inhibitors. The TEAR1 assay is a valuable tool for facilitating the clinical development of the lead RIPK1 clinical candidate compound, GSK2982772, as a first in-class RIPK1 inhibitor for the treatment of inflammatory disease. PMID- 29226627 TI - Data visualizations to detect systematic errors in laboratory assay results. AB - The measurement of concentrations of drugs and endogenous substances is widely used in basic and clinical pharmacology research and service tasks. Using data science-derived visualizations of laboratory data, it is demonstrated on a real life example that basic statistical exploration of laboratory assay results or advised standard visual methods of data inspection may fall short in detecting systematic laboratory errors. For example, data pathologies such as generating always the same value in all probes of a particular assay run may pass undetected when using standard methods of data quality check. It is shown that the use of different data visualizations that emphasize different views of the data may enhance the detection of systematic laboratory errors. A dotplot of single data in the order of assay is proposed that provides an overview on the data range, outliers and a particular type of systematic errors where similar values are wrongly measured in all probes. PMID- 29226626 TI - Randomized clinical study of safety, pharmacokinetics, and pharmacodynamics of RIPK1 inhibitor GSK2982772 in healthy volunteers. AB - GSK2982772 is a highly selective inhibitor of receptor-interacting protein kinase 1 (RIPK1) being developed to treat chronic inflammatory diseases. This first-in human study evaluated safety, tolerability, pharmacokinetics (PK), and exploratory pharmacodynamics (PD) of GSK2982772 administered orally to healthy male volunteers. This was a Phase I, randomized, placebo-controlled, double-blind study. In Part A, subjects received single ascending doses of GSK2982772 (0.1-120 mg) or placebo in a crossover design during each of 4 treatment periods. In Part B, subjects received repeat doses of GSK2982772 (20 mg once daily [QD] to up to 120 mg twice daily [BID]) or placebo for 14 days. Part C was an open-label relative bioavailability study comparing 20-mg tablets vs capsules. Safety, tolerability, pharmacokinetics (PK), RIPK1 target engagement (TE), and pharmacodynamics (PD) were assessed. The most common adverse events (AEs) were contact dermatitis and headache. Most AEs were mild in intensity, and there were no deaths or serious AEs. The PK of GSK2982772 was approximately linear over the dose range studied (up to 120 mg BID). There was no evidence of drug accumulation upon repeat dosing. Greater than 90% RIPK1 TE was achieved over a 24-hour period for the 60-mg and 120-mg BID dosing regimens. Single and repeat doses of GSK2982772 were safe and well tolerated. PK profiles showed dose linearity. The high levels of RIPK1 TE support progression into Phase II clinical trials for further clinical development. PMID- 29226629 TI - Surfactant-Dependent Charge Transfer between Polyoxometalates and Single-Walled Carbon Nanotubes: A Fluorescence Spectroscopic Study. AB - Hybridizations of redox-active polyoxometalates (POMs) with single-walled carbon nanotubes (SWNTs) have been widely investigated for their diverse applications. For the purpose of constructing high-quality electronic devices, controlling charge transfer within POM/SWNT hybrids is an inevitable issue. As determined by means of fluorescence spectroscopy, electron transfer between SWNTs and a common POM dopant, phosphomolybdic acid (PMo12 ), can be tuned simply by an alteration of nanotube surfactant type from anionic to nonionic. The mechanism is attributed to the influence of surfactant type on the stabilization of the electron donor acceptor hybrid and effect of surfactant-nanotube interactions. These results will be important to control charge-transport behavior in nanohybrids consisting of carbon nanotubes. PMID- 29226628 TI - Modeling of prolactin response following dopamine D2 receptor antagonists in rats: can it be translated to clinical dosing? AB - Prolactin release is a side effect of antipsychotic therapy with dopamine antagonists, observed in rats as well as humans. We examined whether two semimechanistic models could describe prolactin response in rats and subsequently be translated to predict pituitary dopamine D2 receptor occupancy and plasma prolactin concentrations in humans following administration of paliperidone or remoxipride. Data on male Wistar rats receiving single or multiple doses of risperidone, paliperidone, or remoxipride was described by two semimechanistic models, the precursor pool model and the agonist-antagonist interaction model. Using interspecies scaling approaches, human D2 receptor occupancy and plasma prolactin concentrations were predicted for a range of clinical paliperidone and remoxipride doses. The predictions were compared with corresponding observations described in literature as well as with predictions from published models developed on human data. The pool model could predict D2 receptor occupancy and prolactin response in humans following single doses of paliperidone and remoxipride. Tolerance of prolactin release was predicted following multiple doses. The interaction model underpredicted both D2 receptor occupancy and prolactin response. Prolactin elevation may be deployed as a suitable biomarker for interspecies translation and can inform the clinical safe and effective dose range of antipsychotic drugs. While the pool model was more predictive than the interaction model, it overpredicted tolerance on multiple dosing. Shortcomings of the translations reflect the need for better mechanistic models. PMID- 29226630 TI - Microneedling combined with platelet-rich plasma or trichloroacetic acid peeling for management of acne scarring: A split-face clinical and histologic comparison. AB - BACKGROUND: Minimally invasive procedures provide effective, safe, relatively long-lasting, and natural results without large damage to the skin. A combination treatment is considered an approach that includes at least 2 different and unrelated modalities. OBJECTIVES: This study aims to evaluate the use and effectiveness of some combined minimally invasive procedures for management of acne scarring. PATIENTS/METHODS: Twenty-four volunteers with postacne atrophic scars were randomly divided into 3 equal groups according to performed procedure on each side of the face (microneedling by dermaroller alone or combined with platelet-rich plasma [PRP] or trichloroacetic acid [TCA] 15% peeling) and received 6 bi-weekly sessions of treatment. Photography and punch biopsies were taken before and after 3 months of treatment for clinical, histological, and histometrical evaluation. RESULTS: Combined treatment of dermaroller and PRP or dermaroller and TCA 15% showed significant improvement when compared with dermaroller alone (P = .015 and .011 respectively). Epidermal thickness showed statistically significant increase in studied groups, mainly after dermaroller and TCA 15%. Moreover, the 3 studied groups showed more organized collagen bundles and newly formed collagen formation and markedly decreased abnormal elastic fibers. CONCLUSIONS: Based on the clinical, histometrical, and histochemical assessment, inspite that most volunteers showed significant improvement after treatment, however, the combined use of dermaroller and TCA 15% was more effective in postacne atrophic scars than the use of dermaroller and PRP or dermaroller only. PMID- 29226631 TI - Novel compound heterozygous mutations in GPT2 linked to microcephaly, and intellectual developmental disability with or without spastic paraplegia. AB - We here describe novel compound heterozygous missense variants, NM_133443:c.[400C>T] and NM_133443:[1435G>A], in the glutamic-pyruvic transaminase 2 (GPT2) gene in a large consanguineous family with two affected siblings diagnosed with microcephaly intellectual disability and developmental delay (IDD). In addition to these clinical phenotypes, the male sibling has spastic paraplegia, and the female sibling has epilepsy. Their four extended family members have IDD and microcephaly. Both of these variants, c.400C>T (p.R134C) and c.1435G>A (p.V479M), reside in the pyridoxal phosphate-dependent aminotransferase domain. The missense variants affect highly conserved amino acids and are classified to be disease-causing by meta-SVM. The candidate variants were not found in the Exome Aggregation Consortium (ExAC) dataset or in dbSNP. Both GPT2 variants have an allele frequency of 0% (0/ ~ 600) in the whole exome sequenced Turkish cohort. Upon Sanger sequencing, we confirmed these mutations in all affected family members and showed that the index patient and his affected sister inherited one mutant allele from each unaffected parent. To the best of our knowledge, this is the first family in which a novel compound heterozygous variant in the GPT2 gene was identified. PMID- 29226632 TI - Novel bovine-associated pVAPN plasmid type in Rhodococcus equi identified from lymph nodes of slaughtered cattle and lungs of people living with HIV/AIDS. AB - Rhodococcus equi is a well-recognized Gram-positive intracellular facultative bacterium that is opportunistic in nature, which causes pyogranulomatous infections in humans and multiple host animals. The pathogenicity of the microorganism has been attributed to the presence of plasmid-encoded virulence associated proteins (Vap). To date, three host-associated virulence plasmid types of R. equi have been identified as follows: the circular pVAPA and pVAPB, related, respectively, to equine and porcine isolates, and a recently described linear pVAPN plasmid associated with bovine strains, although these three types are found in human isolates. Recent phylogenomic studies support the evidence that human R. equi infection is zoonotically acquired. Nevertheless, data regarding distribution and prevalence of the host-adapted virulence plasmid types of R. equi isolated from meat animals are scarce or unnoticed. Here, the three host-associated virulence plasmid types (pVAPA, pVAPB, and pVAPN) were investigated in 154 R. equi isolates recovered from lymph nodes of cattle with lymphadenitis (n = 31), faeces of cattle without enteric signs (n = 49), as well as different clinical specimens from human patients (n = 74). The analysis of virulence profile of 74 R. equi from humans revealed six (8.1%) isolates pVAPB (type 8), two (2.7%) pVAPN, and one (1.3%) pVAPB (type 11), all of which were from lung samples from people living with HIV/AIDS. From the lymph node samples of cattle, 41.9% (13 of 31) isolates revealed pVAPN type, whereas all isolates from faecal samples were negative for three host-associated types. Here, recently described bovine-associated pVAPN type was detected in R. equi isolates recovered from the lungs of people living with HIV/AIDS and lymph nodes from slaughtered cattle intended for human consumption; a finding that represents a public health concern, mainly in countries where undercooked or raw meat are traditionally consumed. PMID- 29226633 TI - Characterization of Membrane Patch-Ion Channel Probes for Scanning Ion Conductance Microscopy. AB - Integration of dual-barrel membrane patch-ion channel probes (MP-ICPs) to scanning ion conductance microscopy (SICM) holds promise of providing a revolutionized approach of spatially resolved chemical sensing. A series of experiments are performed to further the understanding of the system and to answer some fundamental questions, in preparation for future developments of this approach. First, MP-ICPs are constructed that contain different types of ion channels including transient receptor potential vanilloid 1 and large conductance Ca2+ -activated K+ channels to establish the generalizability of the methods. Next, the capability of the MP-ICP platforms in single ion channel activity measurements is proved. In addition, the interplay between the SICM barrel and the ICP barrel is studied. For ion channels gated by uncharged ligands, channel activity at the ICP barrel is unaffected by the SICM barrel potential; whereas for ion channels that are gated by charged ligands, enhanced channel activity can be obtained by biasing the SICM barrel at potentials with opposite polarity to the charge of the ligand molecules. Finally, a proof-of-principle experiment is performed and site-specific molecular/ionic flux sensing is demonstrated at single-ion-channel level, which show that the MP-ICP platform can be used to quantify local molecular/ionic concentrations. PMID- 29226634 TI - Post-intervention sustainability of a brief psycho-educational support group intervention for family caregivers of cancer patients. AB - INTRODUCTION: Family caregivers of cancer patients experience many negative effects due to the heavy responsibility involved. Although various psychosocial interventions have been found to improve caregivers' quality of life (QOL), the sustainability of the benefits of these interventions over time has been less consistently investigated and hence less clearly established. Extending previous research on the immediate post-intervention effects, this study aims to examine the trajectories of change in caregivers QOL over an 8-week follow-up period. METHODS: Caregivers of patients attending an outpatient clinic at a cancer center in Singapore were recruited. Participants had to fulfill the following criteria: (a) between 21 and 74 years; (b) willing to attend hour-long weekly programs for 4 weeks; (c) able to understand, speak, and read English; (d) a family member living with and providing care and support for the patient; and (e) provide written informed consent. Participants completed the Caregiver QOL-Cancer scale at baseline, immediately post-intervention, and at 4 and 8 weeks after the end of the intervention. Data from 56 participants were analyzed. RESULTS: Majority of participants exhibited a stable trajectory of change in their QOL, while a small number of participants either improved or declined. DISCUSSION: Understanding the sustainability of the effects of the intervention is important in determining the need to initiate periodic "booster" sessions to provide consistent support for caregivers. Further research could investigate the sustainability over an even longer period, as well as intra-individual change trajectories using growth modeling among a larger sample. PMID- 29226635 TI - Diagnostic Value of Serum Procalcitonin in Early Infection after Internal Fixation for Traumatic Fracture. AB - BACKGROUND: This study aimed to observe the changes of serum procalcitonin (PCT) and C-reactive protein (CRP) concentrations after internal fixation for traumatic fracture and to discuss the diagnostic value of these two indicators in early infection after internal fixation for traumatic fracture. METHODS: Patients who received internal fixation for traumatic fracture at our hospital from June 2014 to December 2016 were included. They were divided into infection group (12 cases) and non-infection group (166 cases), depending on whether infection occurred. Venous blood samples were collected from cases in both groups on day 1, day 4, and day 9 after surgery. Changes in PCT and CRP levels were detected at different time points. RESULTS: As compared with the non-infection group, PCT and CRP levels were significantly increased at each time point after surgery in the infection group. The sensitivity of PCT combined with CRP in the detection of early infection after surgery was higher than that of either used alone. CONCLUSIONS: The serum PCT level can be used as an early diagnostic indicator of infection after internal fixation for traumatic fracture. The combined use of PCR and CRP levels can increase the sensitivity of detection. PMID- 29226636 TI - The Value of GPC3 and GP73 in Clinical Diagnosis of Hepatocellular Carcinoma. AB - BACKGROUND: The incidence of hepatocellular carcinoma (HCC) has increased over the past decades in China. Current screening methods of HCC such as detection of alpha-fetoprotein (AFP) combined with liver ultrasonography remain unsatisfactory. Many HCC patients have already missed the optimal treatment period when diagnosed. Our study aimed to evaluate the value of Glypican 3 (GPC3) and Golgi protein 73 (GP73) in the detection of HCC. METHODS: Thirty-nine patients with HCC and 31 patients with liver cirrhosis were enrolled. The level of serum GPC3 and GP73 were determined by ELISA. The expression of GPC3 mRNA and GP73 mRNA in peripheral blood mononuclear cell (PBMC) and liver tissues were also measured with qRT-PCR. Then, receiving operating characteristic (ROC) curves were plotted to detect the sensitivity and specificity of serum GPC3 and GP73 in the diagnosis of HCC. RESULTS: The levels of serum GPC3 and GP73 in the HCC group were significantly higher than in the cirrhosis group (p < 0.0001). Patients with GPC3 > 9.3 MUg/L and GP73 > 77.68 ng/mL had a risk of HCC of 92.31%. The HCC diagnosis ROC curve analysis indicated that when setting the GPC3 cutoff value > 9.3 MUg/L, AUC = 0.956. The sensitivity and specificity of GPC3 were 89.74% and 96.77%, respectively, with a positive predictive value of 97.2%, negative predictive value of 88.2%, + LR of 27.82 and - LR of 0.11. When setting GP73 cutoff value > 77.68 ng/mL, AUC = 0.937. The sensitivity and specificity of GP73 were 92.31% and 83.87%, respectively, with positive predictive value of 87.8%, negative predictive value of 89.7%, + LR of 5.72 and - LR of 0.092. No significant difference (p > 0.05) was found between GPC3 and GP73 AUC in ROC curves, indicating that these two biomarkers were equivalent in the prediction of HCC. CONCLUSIONS: The expression of serum GPC3 and GP73 was significantly higher in the HCC patients compared with the cirrhosis patients. GPC3 and GP73 might be effective non-invasive diagnostic indicators of HCC. PMID- 29226637 TI - The Value of Mean Platelet Volume for Prognosis of Patients with Acute Cerebral Infarction. AB - BACKGROUND: The purpose of this study was to investigate the value of mean platelet volume (MPV) for prognosis of patients with acute cerebral infarction (ACI). METHODS: One hundred ACI patients and 80 healthy volunteers acting as healthy controls (HCs) were consecutively included in this study. Their baseline clinical and laboratory characteristics were extracted from an electroniccase system. ACI patients were followed for 90 days to collect the main study endpoints including poor prognosis, death due to cardiovascular causes, and the recurrence of stroke. ACI patients were evaluated after 7 days in the hospital using the National Institute of Health Stroke Scale (NIHSS) score to evaluate stroke severity on admission and using the modified Rankin Scale (mRS) to evaluate functional disorders. Receiver operating characteristic (ROC) curve analysis was used to estimate the predictive value of MPV on ACI. Kaplan-Meier survival analysis and Cox regression models were used to analyse the value of MPV as a predictor of ACI. RESULTS: This study suggested that MPV and rate of hypertension were higher in ACI patients than in the HC group. In the follow-up period, 32 ACI patients suffered study endpoints; they had higher average MPV, NIHSS scores, longer ACI onset times, and shorter event-free survival time compared to control patients. ROC curves showed that MPV was an index for prognosis of ACI patients with an AUC of MPV of 0.82 (95% confidence interval (CI): 0.74 - 0.90), and the best cutoff was 10.05 fL. MPV, NHISS scores, age, and TG were independent risk factors for endpoints of ACI patients. MPV with hazard ratio (HR) was 1.94 (95% CI, 1.37 - 2.72, p = 0.000), NIHSS score with HR was 1.22 (95% CI, 1.03 - 1.44, p = 0.021), age with HR was 1.06 (95% CI, 1.00 - 1.11, p = 0.038), and TG HR was 0.60 (95% CI, 0.36 - 1.00, p = 0.048) using Cox regression models. P ? 0.05 for all groups was considered statistically significant. CONCLUSIONS: Mean platelet volume was an independent risk factor and serves as a sensitive index for the prognosis of ACI patients. PMID- 29226638 TI - Reference Values of Certain Serum Indicators of Liver Fibrosis. AB - BACKGROUND: Liver fibrosis shows a continuously increasing trend worldwide, due to alcohol abuse, obesity, and, to a lesser extent, chronic hepatitis B and C. Biopsy is still considered the "gold standard" for diagnosis of liver fibrosis. However, it has a number of limitations, such as invasiveness, high cost, need for specialists to conduct and interpret biopsy results, risk of complications, inability to dynamically monitor the pathological process, low patient compliance, and uneven fibrosis distribution. Therefore, there is an increasing demand for non-invasive serum markers that are characterized by easy implementation, low cost, possible repeatability, and high patient compliance. METHODS: For a period of two years, 82 clinically healthy, middle aged subjects, mean age 40.5 +/- 12.37 years, range 21 - 67 years, were studied. The group was tested for platelet count, prothrombin time, and the following biochemical parameters: Cholesterol - total, HDL, LDL; AST; ALT; GGT; total bilirubin, alfa-2 macroglobulin; haptoglobin and ELF (Enhanced Liver Fibrosis). RESULTS: Reference values of a large number of serum indicators of liver fibrosis are disputable and unspecified. A direct proportional and moderate correlation was found between the BMI and AST, ALT, INR, APRI, GPRI, and Forns Index. CONCLUSIONS: We present our original reference values for ELF, AST/ALT, ARPI, GRPI, Fib 4, and Forns Index in 82 clinically healthy subjects. PMID- 29226639 TI - Early Diagnosis of Oral Squamous Cell Carcinoma by Salivary microRNAs. AB - BACKGROUND: Oral squamous cell carcinoma (OSCC), the most common type of oral cancer, and represents more than 90% of malignancies of the oral cavity. Worldwide, each year about 275,000 are newly diagnosed. If detected at an early stage, OSCC has a survival rate of up to 80% compared to the detection in later stages (T3-T4) when a survival rate of 20 - 30% is present. METHODS: Because OSCC presents these survival rates, there is an urgent need to introduce new non invasive molecular biomarkers for the early detection of OSCC from saliva, which will contribute to an increased long term survival rate for these patients. RESULTS: MicroRNAs represent small, non-coding RNAs that have important roles in biochemical mechanisms, carcinogenesis, cell proliferation, embryogenesis, and other mechanisms involved at the molecular level in the functioning of the human body. CONCLUSIONS: In the last decade, due to the fact that forensic genetics developed significantly, salivary microRNAs were increasingly studied as non invasive molecular biomarkers which could aid in early diagnosis, monitoring, and prognosis of oral cancers. This review will present the most important salivary microRNAs which are involved in oral carcinogenesis, especially those which could be used as potential biomarkers in early detection, monitoring, and prognosis of oral cancers by non-invasive techniques. PMID- 29226640 TI - Association of Paraoxonase 1 Polymorphism and Serum 25-Hydroxyvitamin D with the Risk of Cardiovascular Disease in Patients with Rheumatoid Arthritis. AB - BACKGROUND: Patients with rheumatoid arthritis (RA) have significantly increased cardiovascular (CV) morbidity and mortality that are not accounted for by traditional risk factors alone. Paraoxonase 1 (PON1) and 25-hydroxyvitamin D have been shown to be involved in the pathogenesis of CV diseases. Objective: This study aimed to investigate PON1 gene polymorphism and serum 25-hydroxyvitamin D concentrations in RA patients, and to determine their association with CV risk in RA. METHODS: Serum samples from 46 RA patients and 45 healthy controls were tested for PON1 R192Q genotypes and serum vitamin D concentrations. The cardiovascular risks were assessed by Q-risk. Lipoprotein cholesterol levels, traditional CV risk factors, medication use, and RA disease activity status were also assessed. RESULTS: PON1 polymorphism and low serum 25-hydroxyvitamin D were significantly associated with increased CV risk (p < 0.05). Compared to patients with either the PON1 QQ genotype or the QR genotype, patients with the RR genotype demonstrated decreased CV risk on multivariate analysis, controlling for traditional CV risk factors, C-reactive protein levels, prednisone use, and cholesterol-lowering medication use (p < 0.05). CONCLUSIONS: There was a relationship of the genetic determinants of paraoxonase 1 (PON1 192) and serum 25 hydroxyvitamin D to CV risk in RA patients. Paired measurement of paraoxonase 1 genotype and serum 25-hydroxyvitamin D can be used as biomarkers of CV risk in RA patients. PMID- 29226641 TI - Modified Complete Blood Count Indices as Predicting Markers of Preeclampsia from Gestational Hypertension: Neutrophil to Lymphocyte Ratio, Platelet to Lymphocyte Ratio, and. AB - BACKGROUND: To evaluate modified complete blood count (CBC) indices as a predicting marker of preeclampsia (PE) from gestational hypertension (GH), we analyzed the neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and platelet to neutrophil ratio (PNR). PNR was a newly designed index in this study based on results of PE patients having a tendency toward higher neutrophil count and lower platelet count compared to normal pregnant women in previous studies. METHODS: We recruited 86 normal pregnant women, 33 patients with GH and 68 patients with PE. Subjects with any history of membrane rupture, infection, or multiple pregnancies were excluded. PNR, NLR, and PLR values including other CBC indices were statistically analyzed. RESULTS: NLR value of PE patients was significantly higher than GH patients (p = 0.011). PNR value was the most statistically significant index separating patients with PE and GH (p < 0.001). PLR value was lower in patients with PE compared to GH; however, statistical significance was low. CONCLUSIONS: NLR as well as PNR is a useful index to help predicting progression from GH to PE. Further studies are required to evaluate the full extent of utility of PNR as a predictive index in PE patients. PMID- 29226642 TI - Homoarginine Associates with Zonulin and Tryptophan - Findings in a High-Risk Cohort of Patients Carrying an AICD. AB - BACKGROUND: Homoarginine (hArg) is known to have an impact on nitric oxide (NO) metabolism. It seems to increase NO generation and/or availability, thereby enhancing endothelial function. In addition, hArg is connected to energy metabolism since the key enzyme, L-arginine-glycine amidinotransferase (AGAT) for hArg synthesis in the kidneys, is also involved in the synthesis of energy metabolites like guanidinoacetate. Former studies indicate that low levels of hArg are linked to cardiovascular disease and increased all-cause mortality. METHODS: This study investigated the dependence of plasma hArg on various biochemical and clinical factors in 229 patients carrying an automatic, implantable cardioverter/defibrillator (AICD) using multiple linear regression analysis (Generalized Linear Model, GLM). RESULTS: GLM revealed a highly significant, positive association between hArg and zonulin (p < 0.001). hArg was also positively correlated with tryptophan (p = 0.004), BMI (p = 0.02), and body weight (p = 0.02). Patients with hsCRP above 10 mg/L had significantly lower hArg concentrations than patients with hsCRP <= 10 mg/L. CONCLUSIONS: The highly significant positive association of hArg with zonulin is a novel finding which may indicate a different meaning of circulating versus local (gut) zonulin. Therefore, further experimental and clinical investigation is needed to explore this association, focusing on possible pathophysiological pathways and the role of circulating zonulin levels in cardiovascular disease. The positive correlation of hArg and Trp also deserves further research because both amino acids might have a protective effect on cardiovascular disease by inhibition of the enzyme alkaline phosphatase. Eventually, our study associates low hArg concentrations with chronic low-grade inflammation and parameters of malnutrition in cardiovascular high-risk patients. PMID- 29226643 TI - Prognostic Value of Serum Lactate Dehydrogenase in Patients with Nasopharyngeal Carcinoma: a Meta-Analysis. AB - BACKGROUND: Serum-lactate dehydrogenase (S-LDH) is reported to be associated with poor survival in patients with nasopharyngeal carcinoma (NPC); however, the results are inconsistent. The aim of the study was to perform a meta-analysis to evaluate the prognostic value of S-LDH in patients with NPC. METHODS: PubMed and Web of Science were searched for relevant studies, and the fixed-effects model was employed to pool the hazard risks (HRs) from individual studies when no substantial heterogeneity was detected; otherwise, the random-effects model was used. Heterogeneity and publication bias were also analyzed. RESULTS: A total of 18 studies involving 13,789 patients were included in the meta-analysis, serum LDH level was associated with worse outcome in NPC patients. The combined HR for overall survival (OS) was 1.86 (95% confidence interval [CI]: 1.66 - 2.08; p < 0.01), and the pooled HRs for disease-free survival (DFS), distant metastasisfree survival (DMFS), and distant local relapse-free survival (LRFS) were 1.64 (95% CI: 1.45 - 1.86), 2.64 (95% CI: 2.15 - 3.25), and 2.59 (95% CI: 1.74 - 3.87), respectively. CONCLUSIONS: Our results suggest that higher serum LDH level is associated with worse survival in patients with NPC, which is helpful for a personalized treatment strategy for NPC patients. PMID- 29226644 TI - The Role of MicroRNA-1207-5p in Colorectal Cancer. AB - BACKGROUND: MicroRNA-1207-5p (MiR-1207-5p) has been identified as a tumor suppressor in many types of cancer. However, less research has been done with respect to the role of miR-1207-5p in colorectal cancer (CRC). The aim of our study was to analyze the role of miR-1207-5p in CRC. METHODS: Total RNA was extracted from clinical specimens and CRC cell line, and the expression of miR 1207-5p was examined by real-time PCR (q-PCR). The human CRC cell lines were transfected with the miR-1207-5p mimic, negative control (NC). Cell Counting Kit 8 (CCK-8) assays were performed to measure cell viability. The colony formation assay was carried out to analyze the clone forming ability. The cell cycle was analyzed by flow cytometer. The significance of the data was calculated by the SPSS software. RESULTS: The relative expression of miR-1207-5p in CRC tissues and adjacent noncancerous tissues (normalized to U6 expression) were 0.0546 +/- 0.0131 and 0.1928 +/- 0.0317, (p < 0.01), with obvious significant difference between the two groups. The expression of miR-1207-5p was significantly lower in CRC patients with advanced TNM stage (p = 0.018) and positive lymph node metastasis (p = 0.033) and shorter overall survival (p = 0.049). In addition, it enhances the expression of miR-1207-5p suppressed cell proliferation ability, clone forming ability, and promoted cell apoptosis in vitro. CONCLUSIONS: The lower expression of miR-1207-5p was correlated with advanced TNM stage and lymph node metastasis and shorter patient overall survival. These results indicated that miR-1207-5p may function as tumor suppressor in CRC. PMID- 29226645 TI - Thrombophilic Mutations Among Patients with Sickle Cell Disease. AB - BACKGROUND: Factor V-Leiden (FVL), Prothrombin (PRT) G20210A, and Methylene Tetrahydro Folate Reductase (MTHFR) C677T and A1298C mutations are major inherited risk factors of thrombotic complications. Our aim in this study was to investigate the prevalence of these mutations among Tunisian sickle cell patients. METHODS: Study subjects comprised 64 patients and 100 healthy controls. FVL, PRT G20210A, and MTHFR genotypes were determined using a reverse dot blot based method. RESULTS: In the patient population studied, the prevalence of FV Leiden was not statistically different from controls while a significant prevalence of heterozygous PRT G20210A mutation among patients (10.93%) was found. An increased frequency of the MTHFR 677 C>T genotype was seen among patients as well as controls. The results showed no significant association between the MTHFR A1298C mutation and sickle cell disease (SCD). However, the prevalence of carrier among studied patients was 15.62% compared to 7% among healthy subjects. CONCLUSIONS: In conclusion, our data suggest a significant association between PRT G20210A and MTHFR C677T and sickle cell disease among Tunisian patients. PMID- 29226646 TI - Comparison of Citrate Buffer with Sodium Fluoride as Additives in Determining Glycemia. AB - BACKGROUND: The objectives of this study are to compare the effect of sodium fluoride and citrate on the stability of glucose in samples maintained at room temperature up to three hours, and to assess the clinical impact in the O'Sullivan test results after changing the additives in the collecting tubes. METHODS: The selected population was pregnant women between the 24th and 28th week of gestation, who were at the health center to undergo the O'Sullivan test as part of the screening program for GDM (gestacional diabetes mellitus). Two blood samples were extracted from each patient: one using a tube with citrate and sodium fluoride buffer (tubes Vacuette Glucomedics citrate, 2 mL, Ref 454347) (tube C) and another containing just sodium fluoride (BD Vacationer tubes FX fluoride, 2 mL, Ref 368920) (tube F). The statistical treatment of the data was performed using SPSS version 24 and Method validator. Finally, we assessed the real clinical impact of replacing tubes C for tubes F in the classification of pregnant women. To do so, we collected the results of O'Sullivan tests conducted in our hospital during a year, all of them done in tubes F, and we applied the mean difference calculated in T = 1 to estimate the number of pregnant women that should be reclassified. RESULTS: The average glycaemia in tubes C are significantly greater than average glycaemia in tubes F (p < 0.05) at all time points. The clinical impact assessment was done over the 6,526 O'Sullivan test results with a prevalence of positive tests of 21.35%. The prevalence using tubes C instead of tubes F estimated with mean differences previously calculated is 33.45%. CONCLUSIONS: The glucose concentrations in tubes F stored at room temperature up to 3 hours were significantly lower (p < 0.05) than those measured in tubes C stored under the same conditions. We observed that it is in the first minutes after extraction, while the samples are collected and aliquots done, that the glucose consumption occurs in tubes F, but not in tubes C. There is a need to change the preanalytical conditions to prevent any loss of glucose. This will enable more accurate diagnosis and management of diabetes mellitus. PMID- 29226647 TI - Human Peripheral Blood Cells mRNA Levels are Highly Sensitive to Duration of Ex Vivo Post-Sampling Conditions Prior to RNA Isolation. AB - BACKGROUND: This study aimed to evaluate an effect of the time period between drawing the peripheral blood and specimen processing on the stability of mRNA levels of 7 selected genes. METHODS: Blood samples derived from 15 healthy volunteers were always processed at five consecutive time points 0.5, 1.5, 2, 3, and 9 hours; mRNA was quantified by real-time PCR. RESULTS: Anti-inflammatory genes CCL2 and IL10 showed a significant rise of expression between the 3rd and 9th hour after blood collection (p <= 0.5). Significant decrease of mRNA levels in relation to time lag was observed for TLR4 and MYC genes (p <= 0.5). Interestingly, the initial two hours after drawing the blood revealed a high interindividual variability in cellular response to stress connected with blood drawing and ex vivo post-sampling condition. CONCLUSIONS: These results point out the need for a strict standardization of handling the blood specimen with regards to peripheral blood sample processing time between phlebotomy and RNA isolation. PMID- 29226648 TI - Fibulin Levels in Autosomal Dominant Polycystic Kidney Disease and Its Relationship to Arterial Stiffness. AB - BACKGROUND: The objective of the present study was to evaluate fibulin 1 levels in different stages of patients with autosomal dominant polycystic kidney disease (ADPKD) and investigate possible connections between fibulin-1 and arterial stiffness. METHODS: For this cross-sectional study, we included 74 patients with ADPKD (mean age, 50.92 +/- 15.70 years) and 32 healthy controls (mean age, 49.53 +/- 7.32 years). Patients with ADPKD were classified based on CKD epidemiology collaboration (CKD-EPI) equation assessments of estimated glomerular filtration rate (eGFR). Blood levels of fibulin 1 and creatinine levels were analyzed. We measured brachial artery PWV (baPWV), augmentation index (AIx), and pulse pressure (PP) for the assessment of arterial stiffness and systolic and diastolic blood pressures (SBP and DBP, respectively). RESULTS: Fibulin 1 was significantly higher in the patient group (p < 0.001). SBP, DBP, MAP, PP, and baPWV levels were also significantly higher in the patient group. A statistically significant positive correlation was found between fibulin 1 and creatinine (r = 0.377, p = 0.001). No significant correlation was found between the fibulin 1 levels and age, SBP, DBP, MAP, baPWV, and AIx. CONCLUSIONS: Plasma concentrations of fibulin 1 increased in patients with ADPKD. Arterial stiffness measured by baPWV increased in patients with ADPKD, but it was not related to fibulin 1 levels. PMID- 29226649 TI - Comparison of the Diagnostic Power of Serum IL-6, IL-8 and TNF-alpha for the Idiopathic Anterior Uveitis in Children. AB - BACKGROUND: Uveitis is the inflammation of the uvea that often occurs in children. There are many causes of disease, but some of them do not have any reasons and are then called idiopathic uveitis. Cytokines play an important role in the regulation of the immune response. Determination of cytokine profiles could contribute to the explanation of the etiology of uveitis and could serve to evaluate the inflammation intensity as well as be helpful in the early diagnosis this disease. The purpose of this study was to determine the serum level of selected inflammatory cytokines, such as interleukin-6 (IL-6), interleukin-8 (IL 8), and tumor necrosis factor alpha (TNF-alpha) and to compare their diagnostic power as a markers of idiopathic anterior uveitis in children. METHODS: The study was carried out on 28 children diagnosed with idiopathic anterior uveitis. The reference group comprised 30 healthy children. Serum IL-6, IL-8, and TNF-alpha concentrations were measured with specific enzyme-linked immunoassay (ELISA) methods. RESULTS: The mean values of IL-6, IL-8, and TNF-alpha in the children with idiopathic anterior uveitis were significantly higher than those found in the reference group. The highest sensitivity, specificity, accuracy, positive and negative predictive value, and likelihood ratio of a positive test result were achieved for IL-8. There was a significant difference between the area under the curve for IL-6 and IL-8. CONCLUSIONS: Increased serum concentrations of interleukin IL-6, IL-8, and TNF-alpha may suggest that these cytokines induce inflammatory changes in the ocular surface. Analysis of cytokine levels showed that IL-8 has the highest diagnostic power and is the best marker for diagnosis of idiopathic anterior uveitis in children. PMID- 29226650 TI - Multiple Nonleukemic Myeloid Sarcoma Associated Hemophagocytic Lymphohistiocytosis in an Adult. AB - BACKGROUND: Nonleukemic myeloid sarcoma (MS) occurs rarely. Hemophagocytic lymphohistiocytosis (HLH) is a rare and potentially fatal condition. We report a rare case of nonleukemic MS associated with HLH. METHODS: Hematologic investigation, 18F-FDG PET/CT, bone marrow aspirate and biopsy, and lymph node biopsy were performed in a 25-year-old male patient. RESULTS: The patient was given a short-term treatment of etoposide and dexamethasone to control HLH. Then he received chemotherapy and responded well. CONCLUSIONS: It is important to find the underlying cause of HLH in high-risk patients. HLH can occur secondary to nonleukemic MS. Early diagnosis and treatment can improve survival. PMID- 29226651 TI - Quantitative Distinction of Morphological Characteristics of White Blood Cells in Peripheral Blood Through Texture Analysis Using Gray Level Co-Occurrence Matrix. AB - BACKGROUND: Texture features are valuable clues for skilled technicians to differentiate peripheral blood (PB) white blood cells (WBCs). Some studies have tried to distinguish WBCs automatically by using texture analysis. However, no study so far has applied a gray level co-occurrence matrix (GLCM) to images of PB WBCs. Here, we developed a new GLCM method, called the CM-Tx method, for automatically distinguishing PB WBCs. METHODS: We used a total of 199 images of six different types of PB WBCs, taken from PB smears of 12 healthy volunteers, as objective standard images for the analysis. The six types were band form neutrophil, segmented form neutrophil, eosinophil, basophil, lymphocyte, and monocyte. Using in-house FORTRAN programs, three types of GLCM (R: distance (d) = 1, direction (theta) = 0 degrees ), (U: d = 1, theta = 270 degrees ) and (AE: d = 1, theta = 15 degrees x q: q = 0, ..., 23), the mean intensity (MI) of each image and nine different texture distinction indexes (TDIs) for each GLCM were calculated. Then, a threshold value (TV) for distinguishing the type of PB WBC was selected from the dot plots of all TDIs and the MI. RESULTS: In total, we made 1,194 GLCMs. Using the selected TVs of the TDI, four sequential binary divisions could distinguish five types of PB WBCs. First, monocytes were distinguished (sensitivity 100%, specificity 100%, p < 0.0001) with the TV of the inverse difference moment of the GLCM (U). Then, segmented and band form neutrophils were distinguished from the remaining (100%, 99%, p < 0.0001) with the TV of the contrast of the GLCM (AE). Next, lymphocytes were distinguished (100%, 98%, p < 0.0001) with the TV of the entropy of the GLCM (AE). Finally, basophils were distinguished (82.4%, 100%, p < 0.0001) from eosinophils with the TV of the summed entropy of the GLCM (R). Band form neutrophils could not be distinguished from segmented form neutrophils. The average sensitivity of the CM Tx method for the five types was 95.6%, and its average specificity was 99.3%. CONCLUSIONS: The CM-Tx method can distinguish five types of PB WBCs by using numerical differences only in texture futures quantified with GLCM. However, some other method was needed to distinguish the band and segmented form neutrophils from each other. PMID- 29226652 TI - A Pooled Analysis of The Clinical Utilities of Long Non-Coding RNA Based Molecular Signature for Diffuse Large B Cell Lymphoma. AB - BACKGROUND: Long non-coding RNAs (lncRNAs) have been highlighted as promising biomarkers for several types of malignancies. The current meta-analysis sought to investigate the clinical value of lncRNA-based molecular signatures as biomarkers for diagnosis, subtype classification, and prognosis in diffuse large B cell lymphoma (DLBCL). METHODS: A systematic search of the online databases was carried out and data were retrieved by pairs of independent reviewers. Effect sizes of the diagnostic parameters were combined using a quantitative meta analysis. In the prognostic analysis, hazard ratio (HR) with 95% confidence interval (CI) for the primary endpoints of overall survival (OS) and progression free survival (PFS) were meta-analyzed. RESULTS: Our data exhibited that lncRNA expression profiling harvested a pooled sensitivity of 0.87 (95% CI: 0.78 - 0.92), specificity of 0.84 (95% CI: 0.75 - 0.90), and AUC of 0.92 in distinguishing DLBCL cases from cancer-free participants. For subtype classification, lncRNA signature could discriminate germinal center B-cell-like (GCB) and activated B-cell-like (ABC) DLBCL cases with an estimated sensitivity of 0.92 (95% CI: 0.89 - 0.95), specificity of 0.89 (95% CI: 0.83 - 0.93) and AUC of 0.96. Prognostic analysis manifested that altered lncRNA profiles predicted unfavorable clinical outcomes of DLBCL in OS (univariate analysis: HR = 1.45, 95% CI: 1.14 - 1.83, p < 0.001). Further subgroup study stratified by clinicopathological features revealed that the LDH level, IPI score, subtype, and testing pattern of lncRNAs were markedly correlated with the OS in DLBCL. CONCLUSIONS: Collectively, our data uncover that lncRNA expression profiling retains a relatively high accuracy in the diagnosis and classification of DLBCL. Altered levels of lncRNAs are also closely associated with worse OS and appeared to be powerful predictors in forecasting prognosis in DLBCL. PMID- 29226653 TI - A Preliminary Study of the Value of Plasma microRNA-193b and Soluble Urokinase Type Plasminogen Activator Receptor in Identifying Patients with Early-Stage Colorectal Cancer and. AB - BACKGROUND: Early detection and management of colorectal cancer (CRC) and colorectal adenoma (CRA) reduces the mortality and morbidity of CRC, but there is a lack of ideal circulation biomarkers. METHODS: A total of 80 patients with early-stage CRC and CRA and 30 healthy controls were included in this preliminary study. Plasma samples were collected before colonoscopy and prepared for measurement of microRNA193b and soluble uPAR. RESULTS: Plasma level of miR-193b was decreased through the normal-adenoma-carcinoma sequence with no significant difference between patients with CRC and advanced CRA. The AUC of ROC curve evaluating the value of miR-193b in discriminating patients with early stage CRC or advanced CRA from patients with non-advanced CRA or normal control subjects was 0.849 (95% CI 0.773 - 0.923, p < 0.001). Significant alteration of plasma suPAR is only observed in CRC group (p < 0.001). CONCLUSIONS: Plasma miR-193b may be a novel candidate biomarker for screening patients with early-stage CRC and advanced CRA. PMID- 29226654 TI - Evaluation of Hepcidin and Atherosclerosis in Dialysis Patients. AB - BACKGROUND: Chronic kidney disease (CKD) is a condition that involves 10% - 15% of population worldwide, which increases the risk of cardio-vascular diseases (CVD). Chronic kidney disease is one of the main reasons for illness and mortality in the world. Chronic kidney disease is a serious health problem caused by involvement of a large number of patients with kidney injury, especially in industrial countries. Among the main reasons for this are population living longer and the number of diseases in elderly persons, such as diabetes mellitus type 2, hypertension, and cardio-vascular diseases. METHODS: We evaluated 63 patients on chronic dialysis at the Dialysis Centre at University "Aleksandrovska" Hospital; the average age was 49.9 +/- 7.8. Their results were compared to 63 age matched controls. Blood samplings were taken before dialysis procedure. In the included groups, we measured CBC, serum iron (by Ferrozine method), ferritin, soluble transferrin receptors and hsCRP (by nephelometric method), hepcidin (by ELISA method), and homocysteine (by CLIA method). IMT was measured by using electronic calipers and evaluated by automated software programs. RESULTS: We established elevated serum hepcidin levels in CKD patients (205.1 +/- 29.9 ug/L) compared to the control group (20.8 +/- 3.1 ug/L), p < 0.001. Serum homocysteine and hsCRP concentrations were elevated in CKD cases (48.7 +/- 6.8 umol/L; 29.7 +/- 4.1 mg/L) compared to controls (7.9 +/- 1.8 umol/L; 1.1 +/- 0.4 mg/L), p < 0.005. In patients with CKD we found a strong positive correlation between serum hepcidin and homocysteine concentrations, r = 0.879, p < 0.001. In patients with impaired kidney function soluble transferrin receptors correlated negatively to hepcidin: r = -0.799, p < 0.001. In dialysis, the transferrin concentration correlated highly positive to hepcidin: r = 0.691, p < 0.001. IMT in CKD patients correlated positively to hepcidin and homocysteine levels: r = 0.788 and r = 0.841, respectively, p < 0.005. CONCLUSIONS: Chronic kidney disease is connected to cardio-vascular disease risk factors. CKD might be an independent CVD risk factor. In early kidney injury stages, increased morbidity is found from CVD. The risk of fatal and non-fatal cardio-vascular incidents is connected to kidney injury. For clinical practice, early evaluation of hepcidin and atherosclerosis in chronic kidney disease patients is very important. PMID- 29226655 TI - Increased Expression of PCNA-AS1 in Colorectal Cancer and its Clinical Association. AB - BACKGROUND: The aim is to study the expression of PCNA-AS1 in colorectal cancer (CRC) tissue and paired-adjacent normal tissue and the relationship between its expression level and clinical pathological features. METHODS: Using real-time qPCR, PCNA-AS1 expression levels were detected in 114 cases to establish the relationship between its expression and clinicopathologic features. Moreover, the expressions of PCNA-AS1 were investigated in CRC and normal colonic epithelial cell lines. RESULTS: PCNA-AS1 was upregulated in CRC patients. The difference was statistically significant (p < 0.001). The expression level was significantly correlated with the tumor invasion and TNM stage. The area under the receiver operating characteristic curve, sensitivity, and specificity were 0.824, 0.632, and 0.860, respectively. Moreover, PCNA-AS1 was up-regulated in CRC cell lines. CONCLUSIONS: PCNA-AS1 may function as a potential tumor biomarker for diagnosing CRC. PMID- 29226656 TI - Peripheral Blood miR-181-5p Serves as a Marker for Screening Patients with Osteoarthritis by Targeting TNFalpha. AB - BACKGROUND: Increasing evidence has suggested the important role of miRNAs in the progression of osteoarthritis (OA). In the current study, we explored the role of miR-181-5p in the peripheral blood and bone tissues of OA patients for the first time. METHODS: The level of miR-181-5p was evaluated in the peripheral blood and cartilage of OA patients using real time PCR analysis. ROC analysis was performed to explore whether peripheral blood and cartilage miR-181-5p could screen OA patients from normal controls. Western blot assay and dual luciferase reporter assay were carried out to validate the possible target gene of miR-181-5p in SW1353 cells. RESULTS: For the first time, we confirmed that the expression of miR-181-5p was significantly reduced in the peripheral blood and cartilage of OA patients, suggesting that miR-181-5p may be involved in the process of cartilage injury in OA degradation. Furthermore, ROC analysis showed that both peripheral blood and cartilage miR181-5p could screen OA patients from healthy controls. Moreover, we found that overexpression of miR-181-5p significantly suppressed the expression of TNFalpha, while inhibition of miR-181-5p enhanced the level of TNFalpha. Bioinformatic predictions identified a conserved binding site in the 3'UTR of TNFalpha by miR-181-5p. In addition, dual luciferase reporter assay indicated that miR-181-5p markedly suppressed the relative luciferase activity of TNFalpha. These data indicated that TNFalpha was a target gene of miR-181-5p. CONCLUSIONS: In summary, reduced miR-181-5p expression in the peripheral blood and cartilage tissues may serve as a potential biomarker to screen OA patients from healthy controls mainly by targeting TNFalpha. PMID- 29226657 TI - Short Centrifugation to Ameliorate Turn-Around-Time in Routine Coagulation Testing. AB - BACKGROUND: Fast and timely analysis of coagulation parameters is mandatory in hospital laboratories as the results are decisive for diagnosis and treatment in emergency patients. An important factor in TAT (turn-around time) prolongation is centrifugation of all samples prior to analysis. According to literature and most current SOPs (standard operation protocols) centrifugation time is given with 10 minutes at approximately 2,000 g and cannot be reduced without infringement of standards. Thus, we have attempted to minimize TAT by comparing coagulation test results achieved with 5 minutes centrifugation time vs. 10 minutes. If feasible, a shorter centrifugation time will result in further optimized TAT and therefore save critical time to treatment in emergency patients. METHODS: 96 routine clinical samples were tested for prothrombin time ("Quick"), activated partial prothrombin time (aPTT), thrombin time, fibrinogen, antithrombin III, and D-Dimer with 5 and 10 minutes centrifugation. 405 double measurements were performed. RESULTS: Correlation of results were for all 6 parameters ? 0.99. Deviation of the mean was lower than 3% for each parameter. 98.5% of results deviated less than 10%. Although the analysis results for prothrombin time and for antithrombin III show a formal significant difference via Student's t-test, clinically, a difference is not evident. CONCLUSIONS: Shortening of centrifugation time for coagulation testing seems to have no detrimental effects on the analysis results, and might be sought for routine coagulation testing to achieve shorter turn around time. PMID- 29226658 TI - Application of Commutable ERM-DA474/IFCC for Harmonization of C-reactive Protein Measurement Using Five Analytical Assays. AB - BACKGROUND: ERM-DA474/IFCC has been used as a reference material for C-reactive protein (CRP) since 2012. However, the commutabilities and the capacity for harmonizing CRP results of the material and its dilutions have not yet been reported. In this study, we aimed to evaluate the harmonization of CRP results using commutable ERM-DA474/IFCC. METHODS: Twenty-one serum samples were collected and split into five vials. The samples were then analyzed using five popular assays (Siemens BN II, Beckman Immage 800, Roche, Diasys, and Leadman). ERM DA474/IFCC and four dilutions of healthy human serum containing low levels of CRP were also analyzed using the five assays described above. Commutability was assessed using the Roche, Diasys, and Leadman assays. Clinical sample results from assays were recalibrated based on ERM-DA474/IFCC and its dilutions. RESULTS: There were significant variations among the five assays for CRP measurement. The slopes ranged from 0.60 to 1.60, and the BN II and Leadman assays showed significant negative and positive systemic biases, respectively. ERM-DA474/IFCC and its dilutions exhibited commutability among the three assays. After recalibration, the slope was reduced to 0.76 - 1.27. CONCLUSIONS: Harmonization was not ideal for CRP measurement. ERM-DA474/IFCC may play a role in improving harmonization for CRP measurement. PMID- 29226659 TI - Performance Evaluation of the Bio-Rad D-100 System for Hemoglobin A1c Assay. PMID- 29226660 TI - Bone and Joint Diseases in Present and Future. AB - With the increase of elderly population, orthopaedic surgeons need to deal with the diseases relatedto aging, such as joint disorders and fragility fractures. The number of total joint replacements, forexample, is two times more than it was 10 years ago. With these backgrounds, the JapaneseOrthopaedic Association (JOA) has proposed the concept of locomotive syndrome; conditions underwhich the elderly have been receiving care services due to problems of the locomotive organs. Toprevent geriatric or disuse syndrome, JOA is currently providing the care-prevention programs suchas the loco-check and loco-training. Recent advances in the orthopaedic fields were cited in this review article, including the topics ofnew biomaterials, regenerative medicine of cartilage, spinal cord injury and computer assistedorthopaedic surgery. These new technologies and knowledge are changing or have potential to changethe future orthopedic medical care. PMID- 29226661 TI - Completely Responsive Multiple Liver Recurrence of Colon Cancer Treated Using Chemotherapy with Oral S-1 and Oxaliplatin Plus Bevacizumab : A Case Report. AB - Although chemotherapy with oral S-1and oxaliplatin (SOX) plus bevacizumab (bev) is safe andfeasible for patients with advanced or recurrent colorectal cancer, it is difficult to achieve a completeresponse (CR) using only chemotherapy. A 67 year-old man underwent endoscopic mucosal resectionand additional sigmoidectomy (D2 dissection) for submucosal invasive sigmoid colon cancer. Multipleliver metastases were diagnosed 1.5 years later, and chemotherapy with SOX + bev was initiated.Computed tomography (CT) after the end of the third course revealed reduced liver recurrence. Livermetastases could not be identified using CT after the end of the sixth course. Grade 1peripheralneuropathy was the only side effect of this regimen. Subsequently, the chemotherapy regimen waschanged to oral S-1. CT evaluation revealed that there was no recurrence at 6 months after theregimen change. PMID- 29226662 TI - New Approach to Diagnosis and Treatment of Esophageal Motility Disorders by High Resolution manometry. AB - Esophageal motility disorders (EMD) is characterized by impaired coordinated esophageal motilityfunction with symptoms including dysphasia, heartburn or noncardiac chest pain. Since EMDs isfunctional disorders, it is usually difficult to make a diagnosis by conventional examinations includingendoscopy and esophagography. Recently developed high-resolution manometry allows us to evaluateesophageal motility function precisely and to make a differential diagnosis of EMDs, together withChicago Classification (CC) version 3.0 (CC ver3.0). In this article, we reviewed diagnosis of EMDsbased on CC ver3.0 and current treatment strategy for EMDs. PMID- 29226663 TI - Inquiries About Biomarkers of Acute Liver Failure in Patients Who Underwent Living Donor Liver Transplantation Using a Protein Chip Array. AB - The causative agent of hepatic encephalopathy (HE) has not been identified with certainty. Therecovery of consciousness in patients with acute liver failure (ALF) who underwent livertransplantation (LT) is sometimes drastic ; therefore, we thought that the causative agents of HEwould change markedly peri-operatively in these patients. We examined the biomarkers includingnew agents in the serum of patients using the ProteinChip(r) System 4000 (Ciphergen Biosystems,Yokohama, JAPAN). Sixteen samples were obtained from four patients with ALF who underwent living donor LT(LDLT) at four time points ; pre-operative, one post-operative day (1POD), 3POD, and 7POD. We usedthree chips made by the Biomek2000 robot. All duplicated samples were assayed and analyzed usingthe CiphergenExpressTM data manager. We divided the peri-operative changes in the intensity ofidentified peaks into seven patterns. The number of peaks whose intensity shows significant changesperi-operatively reached 755. Of course, it is difficult to determine each structure in all 755 peaks ; therefore, we should narrowdown the candidates for causative agents of HE in further studies. Our own results suggest that manydifficulties lie ahead in determining the causative agent of HE. PMID- 29226664 TI - Case of a Cardiopulmonary Arrest Due to Postoperative Subglottic Stenosis Developed on the Second Day after Lung Surgery. AB - We experienced a case of the cardiopulmonary arrest due to subglottic stenosis developed on thesecond day after lung cancer surgery. Case : A 73-year-old female who was diagnosed with primarylung cancer was referred to our department for surgery. The second day after left lungsegmentectomy, she showed respiratory discomfort symptoms and exhibited hoarseness and stridor,which were revealed as the subglottic stenosis by bronchoscopy. During the emergency airwaymanagement, she went into cardiopulmonary arrest. We performed cardiopulmonary resuscitationand simultaneous urgent tracheotomy. PMID- 29226665 TI - Light-Enhanced Carbon Dioxide Activation and Conversion by Effective Plasmonic Coupling Effect of Pt and Au Nanoparticles. AB - Photocatalytic reduction of carbon dioxide (CO2) is attractive for the production of valuable fuels and mitigating the influence of greenhouse gas emission. However, the extreme inertness of CO2 and the sluggish kinetics of photoexcited charge carrier transfer process greatly limit the conversion efficiency of CO2 photoreduction. Herein, we report that the plasmonic coupling effect of Pt and Au nanoparticles (NPs) profoundly enhances the efficiency of CO2 reduction through dry reforming of methane reaction assisted by light illumination, reducing activation energies for CO2 reduction ~30% below thermal activation energies and achieving a reaction rate 2.4 times higher than that of the thermocatalytic reaction. UV-visible (vis) absorption spectra and wavelength-dependent performances show that not only UV but also visible light play important roles in promoting CO2 reduction due to effective localized surface plasmon resonance (LSPR) coupling between Pt and Au NPs. Finite-difference time-domain simulations and in situ diffuse reflectance infrared Fourier transform spectroscopy further reveal that effective coupling LSPR effect generates strong local electric fields and excites high concentration of hot electrons to activate the reactants and intermediate species, reduce the activation energies, and increase the reaction rate. This work provides a new pathway toward the efficient plasmon-enhanced chemical reactions via reducing the activation energies by utilizing solar energy. PMID- 29226666 TI - Fluorogenic Detection of Monoamine Neurotransmitters in Live Cells. AB - Monoamine neurotransmission is key to neuromodulation, but imaging monoamines in live neurons has remained a challenge. Here we show that externally added ortho phthalaldehyde (OPA) can permeate live cells and form bright fluorogenic adducts with intracellular monoamines (e.g., serotonin, dopamine, and norepinephrine) and with L-DOPA, which can be imaged sensitively using conventional single-photon excitation in a fluorescence microscope. The peak excitation and emission wavelengths (lambdaex = 401 nm and lambdaem = 490 nm for serotonin; lambdaex = 446 nm and lambdaem = 557 nm for dopamine; and lambdaex = 446 nm and lambdaem = 544 nm for norepinephrine, respectively) are accessible to most modern confocal imaging instruments. The identity of monoamine containing structures (possibly neurotransmitter vesicles) in serotonergic RN46A cells is established by quasi simultaneous imaging of serotonin using three-photon excitation microscopy. Mass spectrometry of cell extracts and of in vitro solutions helps us identify the chemical nature of the adducts and establishes the reaction mechanisms. Our method has low toxicity, high selectivity, and the ability to directly report the location and concentration of monoamines in live cells. PMID- 29226667 TI - Enhanced Thermal Conductivity of Graphene Nanoplatelet-Polymer Nanocomposites Fabricated via Supercritical Fluid-Assisted in Situ Exfoliation. AB - As electronic devices become increasingly miniaturized, their thermal management becomes critical. Efficient heat dissipation guarantees their optimal performance and service life. Graphene nanoplatelets (GnPs) have excellent thermal properties that show promise for use in fabricating commercial polymer nanocomposites with high thermal conductivity. Herein, an industrially viable technique for manufacturing a new class of lightweight GnP-polymer nanocomposites with high thermal conductivity is presented. Using this method, GnP-high-density polyethylene (HDPE) nanocomposites with a microcellular structure are fabricated by melt mixing, which is followed by supercritical fluid (SCF) treatment and injection molding foaming, which adds an extra layer of design flexibility. Thus, the microstructure is tailored within the nanocomposites and this improves their thermal conductivity. Therefore, the SCF-treated HDPE 17.6 vol % GnP microcellular nanocomposites have a solid-phase thermal conductivity of 4.13 +/- 0.12 W m-1 K-1. This value far exceeds that of their regular injection-molded counterparts (2.09 +/- 0.03 W m-1 K-1) and those reported in the literature. This dramatic improvement results from in situ GnPs' exfoliation and dispersion, and from an elevated level of random orientation and interconnectivity. Thus, this technique provides a novel approach to the development of microscopically tailored structures for the production of lighter and more thermally conductive heat sinks for next generations of miniaturized electronic devices. PMID- 29226668 TI - Specific Dopamine Sensing Based on Short-Term Plasticity Behavior of a Whole Organic Artificial Synapse. AB - In this work, we demonstrate the ultrasensitive and selective detection of dopamine by means of a neuro-inspired device platform without the need of a specific recognition moiety. The sensor is a whole organic device featuring two electrodes made of poly(3,4-ethylenedioxythiophene):polystyrenesulfonate PEDOT:PSS-patterned on a polydymethylsiloxane-PDMS-flexible substrate. One electrode is pulsed with a train of voltage square waves, to mimic the presynaptic neuron behavior, while the other is used to record the displacement current, mimicking the postsynaptic neuron. The current response exhibits the features of synaptic Short-Term Plasticity (STP) with facilitating or depressing response according to the stimulus frequency. We found that the response characteristic time upsilonSTP depends on dopamine (DA) concentration in solution. The dose curve exhibits superexponential sensitivity at the lowest concentrations below 1 nM. The sensor detects [DA] down to 1 pM range. We assess the sensor also in the presence of ascorbic acid (AA) and uric acid (UA). Our sensor does not respond to UA, but responds to AA only at concentration above 100 MUM. However, it is still able to detect DA down to 1 pM range in the presence of [AA] = 100 MUM and 100 pM in the presence of [UA] = 3 MUM, these values for AA and UA being the physiological levels in the cerebrospinal fluid and the striatum, respectively. PMID- 29226669 TI - Enhanced Oxidation-Resistant Cu@Ni Core-Shell Nanoparticles for Printed Flexible Electrodes. AB - In this work, the fabrication and application of highly conductive, robust, flexible, and oxidation-resistant Cu-Ni core-shell nanoparticle (NP)-based electrodes have been reported. Cu@Ni core-shell NPs with a tunable Ni shell thickness were synthesized by varying the Cu/Ni molar ratios in the precursor solution. Through continuous spray coating and flash photonic sintering without an inert atmosphere, large-area Cu@Ni NP-based conductors were fabricated on various polymer substrates. These NP-based electrodes demonstrate a low sheet resistance of 1.3 Omega sq-1 under an optical energy dose of 1.5 J cm-2. In addition, they exhibit highly stable sheet resistances (DeltaR/R0 < 1) even after 30 days of aging at 85 degrees C and 85% relative humidity. Further, a flexible heater fabricated from the Cu@Ni film is demonstrated, which shows uniform heat distribution and stable temperature compared to those of a pure Cu film. PMID- 29226670 TI - Carrier Trapping by Oxygen Impurities in Molybdenum Diselenide. AB - Understanding defect effect on carrier dynamics is essential for both fundamental physics and potential applications of transition metal dichalcogenides (TMDs). Here, the phenomenon of oxygen impurities trapping photoexcited carriers has been studied with ultrafast pump-probe spectroscopy. Oxygen impurities are intentionally created in exfoliated multilayer MoSe2 with Ar+ plasma irradiation and air exposure. After plasma treatment, the signal of transient absorption first increases and then decreases, which is a signature of defect-capturing carriers. With larger density of oxygen defects, the trapping effect becomes more prominent. The trapping defect densities are estimated from the transient absorption signal, and its increasing trend in the longer-irradiated sample agrees with the results from X-ray photoelectron spectroscopy. First-principle calculations with density functional theory reveal that oxygen atoms occupying Mo vacancies create mid-gap defect states, which are responsible for carrier trapping. Our findings shed light on the important role of oxygen defects as carrier trappers in TMDs, and facilitate defect engineering in relevant materials and device applications. PMID- 29226671 TI - A Multifunctional Reactor with Dry-Stored Reagents for Enzymatic Amplification of Nucleic Acids. AB - To enable inexpensive molecular detection at the point-of-care and at home with minimal or no instrumentation, it is necessary to streamline unit operations and store reagents refrigeration-free. To address this need, a multifunctional enzymatic amplification reactor that combines solid-phase nucleic acid extraction, concentration, and purification; refrigeration-free storage of reagents with just-in-time release; and enzymatic amplification is designed, prototyped, and tested. A nucleic acid isolation membrane is placed at the reactor's inlet, and paraffin-encapsulated reagents are prestored within the reactor. When a sample mixed with chaotropic agents is filtered through the nucleic acid isolation membrane, the membrane binds nucleic acids from the sample. Importantly, the sample volume is decoupled from the reaction volume, enabling the use of relatively large sample volumes for high sensitivity. When the amplification reactor's temperature increases to its operating level, the paraffin encapsulating the reagents melts and moves out of the way. The reagents are hydrated, just-in-time, and the polymerase reaction proceeds. The amplification process can be monitored, in real-time. We demonstrate our reactors' ability to amplify both DNA and RNA targets using polymerase with both reverse-transcriptase and strand displacement activities to obtain sensitivities on-par with benchtop equipment and a shelf life exceeding 6 months. PMID- 29226672 TI - Tuning the Swing Effect by Chemical Functionalization of Zeolitic Imidazolate Frameworks. AB - Many zeolitic imidazolate frameworks (ZIFs) are promising candidates for use in separation technologies. Comprising large cavities interconnected by small windows they can be used, at least in principle, as molecular sieves where molecules smaller than the window size are able to diffuse into the material while larger molecules are rejected. However, "swing effect" or "gate opening" phenomena resulting in an enlargement of the windows have proven to be detrimental. Here, we present the first systematic experimental and computational study of the effect of chemical functionalization of the imidazole linker on the framework dynamics. Using high-pressure (HP) single-crystal X-ray diffraction, density functional theory, and grand canonical Monte Carlo simulations, we show that in the isostructural ZIF-8, ZIF-90, and ZIF-65 functional groups of increasing polarity (-CH3, -CHO, and -NO2) on the imidazole linkers provide control over the degree of rotation and thus the critical window diameter. On application of pressure, the substituted imidazolate rings rotate, resulting in an increase in both pore volume and content. Our results show that the interplay between the guest molecules and the chemical function of the imidazole linker is essential for directing the swing effect in ZIF frameworks and therefore the adsorption performance. PMID- 29226673 TI - Multiplexed Detection of Attomoles of Nucleic Acids Using Fluorescent Nanoparticle Counting Platform. AB - The sensitive multiplexed detection of nucleic acids in a single sample by a simple manner is of pivotal importance for the diagnosis and therapy of human diseases. Herein, we constructed an automatic fluorescent nanoparticle (FNP) counting platform with a common fluorescence microscopic imaging setup for nonamplification multiplexed detection of attomoles of nucleic acids. Taking the advantages of the highly bright, multicolor emitting FNPs and magnetic separation, the platform enables sensitive multiplexed detection without the need for extra fluorescent labels. Quantification for multiplex DNAs, multiplex microRNAs (miRNA), as well as a DNA and miRNA mixture was achieved with a similar dynamic range, a limit of detection down to 5 amol (5 MUL detection volume), and a 81-115% spike recovery from different biological sample matrices. In particular, the sensitivity for multiplex miRNA is by far among the highest without using amplification or the lock nucleic acid hybridization enhancement strategy. Results regarding miRNA-141 from four different cell lines were agreeable with those of the quantitative reverse transcription polymerase chain reaction. Simultaneous detection of miRNA-141 and miRNA-21 in four different cell lines yielded consistent results with publications, indicating the potential for monitoring multiplex miRNA expression associated with the collaborative regulation of important cellular events. This work expands the rule set of multiplex nucleic acid detection strategies and shows promising potential application in clinical diagnosis. PMID- 29226674 TI - Indium Catalyzed Hydrofunctionalization of Styrene Derivatives Bearing a Hydroxy Group with Organosilicon Nucleophiles. AB - Hydrofunctionalization is one of the most important transformation reactions of alkenes. Herein, we describe the development of an indium-triiodide-catalyzed hydrofunctionalization of alkenes bearing a hydroxy group using various types of organosilicon nucleophiles. Indium triiodide was the most effective catalyst, whereas typical Lewis acids such as TiCl4, AlCl3, and BF3.OEt2 were ineffective. Many functional groups were successfully introduced, and these resulted in yields of 31-86%. Various styrene derivatives were also applicable to this reaction. Mechanistic investigation revealed that the present hydrofunctionalization proceeded through Bronsted acid-catalyzed intramolecular hydroalkoxylation of alkenes followed by InI3-catalyzed substitution reaction of cyclic ether intermediates. PMID- 29226675 TI - Ferroelectric Polarization-Modulated Interfacial Fine Structures Involving Two Dimensional Electron Gases in Pb(Zr,Ti)O3/LaAlO3/SrTiO3 Heterostructures. AB - Interfacial fine structures of bare LaAlO3/SrTiO3 (LAO/STO) heterostructures are compared with those of LAO/STO heterostructures capped with upward-polarized Pb(Zr0.1,Ti0.9)O3 (PZTup) or downward-polarized Pb(Zr0.5,Ti0.5)O3 (PZTdown) overlayers by aberration-corrected scanning transmission electron microscopy experiments. By combining the acquired electron energy-loss spectroscopy mapping, we are able to directly observe electron transfer from Ti4+ to Ti3+ and ionic displacements at the interface of bare LAO/STO and PZTdown/LAO/STO heterostructure unit cell by unit cell. No evidence of Ti3+ is observed at the interface of the PZTup/LAO/STO samples. Furthermore, the confinement of the two dimensional electron gas (2DEG) at the interface is determined by atomic-column spatial resolution. Compared with the bare LAO/STO interface, the 2DEG density at the LAO/STO interface is enhanced or depressed by the PZTdown or PZTup overlayer, respectively. Our microscopy studies shed light on the mechanism of ferroelectric modulation of interfacial transport at polar/nonpolar oxide heterointerfaces, which may facilitate applications of these materials as nonvolatile memory. PMID- 29226676 TI - Metal-Free Synthesis of Unsymmetrical Ureas and Carbamates from CO2 and Amines via Isocyanate Intermediates. AB - A mild and metal-free synthesis of aryl isocyanates from arylamines under an atmosphere of CO2 was developed. The carbamic acid intermediate, derived from the arylamine starting material and CO2 in the presence of DBU, is dehydrated by activated sulfonium reagents to generate the corresponding isocyanate. The latter can be detected by in situ IR and trapped by various amines and alcohols to make unsymmetrical ureas and carbamates, respectively. Dicarbamates can also be prepared in good yields via the mild dehydration of the corresponding dicarbamic acids. PMID- 29226677 TI - Tuning the Two-Dimensional Electron Gas at Oxide Interfaces with Ti-O Configurations: Evidence from X-ray Photoelectron Spectroscopy. AB - A chemical redox reaction can lead to a two-dimensional electron gas at the interface between a TiO2-terminated SrTiO3 (STO) substrate and an amorphous LaAlO3 capping layer. When replacing the STO substrate with rutile and anatase TiO2 substrates, considerable differences in the interfacial conduction are observed. On the basis of X-ray photoelectron spectroscopy (XPS) and transport measurements, we conclude that the interfacial conduction comes from redox reactions, and that the differences among the materials systems result mainly from variations in the activation energies for the diffusion of oxygen vacancies at substrate surfaces. PMID- 29226678 TI - Zinc and Magnesium Catalysts for the Hydrosilylation of Carbon Dioxide. AB - The terminal zinc and magnesium hydride compounds, [kappa3-TismPriBenz]ZnH and [TismPriBenz]MgH, which feature the tris[(1-isopropylbenzimidazol-2 yl)dimethylsilyl]methyl ligand, react with B(C6F5)3 to afford the ion pairs, {[TismPriBenz]M}[HB(C6F5)3] (M = Zn, Mg), which are rare examples of these metals in trigonal monopyramidal coordination environments. Significantly, in combination with B(C6F5)3, {[TismPriBenz]M}-[HB(C6F5)3] generates catalytic systems for the hydrosilylation of CO2 by R3SiH to afford sequentially the bis(silyl)acetal, H2C(OSiR3)2, and CH4 (R3SiH = PhSiH3, Et3SiH, and Ph3SiH). In contrast to many other catalysts for these transformations, both the zinc and magnesium catalytic systems are active at room temperature, and the latter provides the first example of catalytic hydrosilylation of CO2 involving a magnesium compound. Also of note, the selectivity of the catalytic systems may be controlled by the nature of the silane, with PhSiH3 favoring CH4, and Ph3SiH favoring the bis(silyl)acetal, H2C(OSiPh3)2. PMID- 29226679 TI - Controllable Synthesis of Two-Dimensional Ruddlesden-Popper-Type Perovskite Heterostructures. AB - Two-dimensional Ruddlesden-Popper type perovskites (2D perovskites) have recently attracted increasing attention. It is expected that 2D perovskite-based heterostructures can significantly improve the efficiency of the optoelectronic devices and extend the material functionalities; however, rational synthesis of such heterostructures has not been realized to date. We report on a general low temperature synthetic strategy for the synthesis of 2D perovskite-based lateral and vertical (n-CH3(CH2)3NH3)2PbI4/(n-CH3(CH2)3NH3)2(CH3NH3)Pb2I7 heterostructures for the first time. A combination of solution synthesis and gas solid phase intercalation approach allows us to efficiently synthesize both lateral and vertical heterostructures with great flexibility. X-ray diffraction, photoluminescence, and photoluminescence excitation mapping and electrical transport measurement studies reveal the successful synthesis of lateral and vertical heterostructures with precisely spatial-modulation control and distinguishable interfaces. Our studies not only provide an efficient synthetic strategy with great flexibility, enabling us to create 2D perovskite-based heterostructures, but also offer a platform to investigate the physical processes in those heterostructures. PMID- 29226681 TI - Protein Nanotube Selectively Cleavable with DNA: Supramolecular Polymerization of "DNA-Appended Molecular Chaperones". AB - Here, we report molecular chaperone GroELs that carry, at their apical domains, multiple DNA strands (ideally 28 DNA strands in total) with defined oligonucleotide (nt) sequences. This design strategy allows for the preparation of GroEL10a and GroEL10b carrying 10-nt DNA strands of 10a and 10b with complementary sequences, respectively, at their apical domains. One-dimensional coassembly of these GroELs is possible to form protein nanotube NT10a/10b with an anomalous thermodynamic stability due to the exceptionally large multivalency for the coassembly. Likewise, comparably stable nanotube NT15c/10d was obtained even when the apical-domain DNA strands (15c and 10d) were partially complementary to one another. Nevertheless, in sharp contrast with NT10a/10b, NT15c/10d, when incubated with DNA 15d, dissociates rapidly and completely because 15d preferentially hybridizes with the DNA strands of 15c in NT15c/10d by displacing those of 10d, to afford a mixture of GroEL15c/15d and GroEL10d. Even in the presence of NT10c/10d, 15d cleaved off NT15c/10d selectively, indicating the potential utility of NTs for targeted delivery. PMID- 29226680 TI - Unusual Role of Excited State Mixing in the Enhancement of Photoinduced Ligand Exchange in Ru(II) Complexes. AB - Four Ru(II) complexes were prepared bearing two new tetradentate ligands, cyTPA and 1-isocyTPQA, which feature a piperidine ring that provides a structurally rigid backbone and facilitates the installation of other donors as the fourth chelating arm, while avoiding the formation of stereoisomers. The photophysical properties and photochemistry of [Ru(cyTPA)(CH3CN)2]2+ (1), [Ru(1 isocyTPQA)(CH3CN)2]2+ (2), [Ru(cyTPA)(py)2]2+ (3), and [Ru(1-isocyTPQA)(py)2]2+ (4) were compared. The quantum yield for the CH3CN/H2O ligand exchange of 2 was measured to be Phi400 = 0.033(3), 5-fold greater than that of 1, Phi400 = 0.0066(3). The quantum yields for the py/H2O ligand exchange of 3 and 4 were lower, 0.0012(1) and 0.0013(1), respectively. DFT and related calculations show the presence of a highly mixed 3MLCT/3pipi* excited state as the lowest triplet state in 2, whereas the lowest energy triplet states in 1, 3, and 4 were calculated to be 3LF in nature. The mixed 3MLCT/3pipi* excited state places significant spin density on the quinoline moiety of the 1-isocyTPQA ligand positioned trans to the photolabile CH3CN ligand in 2, suggesting the presence of a trans-type influence in the excited state that enhances ligand exchange. Ultrafast spectroscopy was used to probe the excited states of 1-4, which confirmed that the mixed 3MLCT/3pipi* excited state in 2 promotes ligand dissociation, representing a new manner to effect photoinduced ligand exchange. The findings from this work can be used to design improved complexes for applications that require efficient ligand dissociation, as well as for those that require minimal deactivation of the 3MLCT state through low-lying metal centered states. PMID- 29226682 TI - First Evaluation of Radioiodinated Flavonoids as Necrosis-Avid Agents and Application in Early Assessment of Tumor Necrosis. AB - A rapid and accurate identification of necrotic tissues is of great importance to define disease severity, predict prognosis, and monitor responses to therapies. To seek necrosis-avid agents with clinically translational potential, we first evaluated the necrosis avidity of flavonoids in rodent models of muscular, myocardial, and tumoral necrosis. In this study, the necrosis avidity of eight radioiodinated 5,7-dihydroxyflavones was tested by ex vivo gamma counting, histochemical staining, and autoradiography in mouse models of ethanol-induced muscular necrosis. The necrosis avidity of a lead tracer, 131I-5, was further assessed in rat models of myocardial infarction and reperfusion. Therapy response was evaluated by 131I-5 single photon emission computed tomography/computed tomography imaging 24 h after combretastatin A-4 disodium phosphate (CA4P) therapy on rats bearing W256 breast carcinomas. The necrosis avidity mechanism for the tracers was studied by in vitro DNA binding experiments of 12 5,7 dihydroxyflavones and in vivo blocking experiments of 131I-5. In the results, all 131I-5,7-dihydroxyflavones showed intense uptake to necrotic muscles, and 131I-5 emerged as the most potential tracer among them. 131I-5 obtained a necrotic viable myocardium ratio of 5.0 +/- 0.9 in post-mortem biodistribution on reperfused myocardial infarction models and achieved necrosis imaging on CA4P treated W256 tumors 4 h after tracer injection. DNA binding studies suggested that necrosis avidity was related to DNA binding to a certain extent. The uptake of 131I-5 in necrotic muscle was markedly blocked by excessive ethidium bromide and cold 5 with a 51.95% and 64.29% decline at 1 h after coinjection, respectively. In conclusion, flavonoids are necrosis-avid agents. Furthermore, 131I-5 can serve as a promising necrosis-avid diagnostic tracer for the rapid imaging of necrotic tissues, supporting the further molecular design of radiotracer based on 5. PMID- 29226683 TI - Permeability Barriers for Nicotine and Mannitol in Porcine Buccal Mucosa Studied by High-Resolution MALDI Mass Spectrometry Imaging. AB - Improved nicotine permeability across buccal mucosa may enable more effective oromucosal nicotine replacement therapy products. It is essential to know the location and composition of the main barrier for drug diffusion to enhance the drug permeability. Matrix-assisted laser desorption ionization mass spectrometry imaging (MALDI MSI) is a rapidly evolving technique that can be used to image the spatial distribution of drugs and drug metabolites in tissue cryo-sections, without prior labeling of the drug. In this study, the distribution of nicotine and mannitol in porcine buccal mucosa was imaged with 10 MUm spatial resolution after apical as well as submucosal application of the drugs in order to localize the main permeability barrier(s). This was supported by ex vivo permeability studies across separated porcine buccal epithelium and submucosa. Lastly, the metabolism of nicotine in porcine buccal mucosa was evaluated by imaging of the main metabolite, cotinine. The results showed that the main permeability barrier to both nicotine and mannitol was located in the outer fourth of the epithelium. Further, it was shown that cotinine was sparsely distributed in excised porcine buccal mucosa, indicating that nicotine metabolism in excised porcine buccal mucosa was negligible. MALDI MSI was shown to be a useful method for imaging spatial distribution of drugs in buccal mucosa. PMID- 29226684 TI - Quantum Dot Based Luminescent Nanoprobes for Sigma-2 Receptor Imaging. AB - The increasing importance of sigma-2 receptor as target for the diagnosis and therapy of tumors paves the way for the development of innovative optically traceable fluorescent probes as tumor cell contrast and therapeutic agents. Here, a novel hybrid organic-inorganic nanostructure is developed by combining the superior fluorescent properties of inorganic quantum dots (QDs), coated with a hydrophilic silica shell (QD@SiO2 NPs), the versatility of the silica shell, and the high selectivity for sigma-2 receptor of the two synthetic ligands, namely, the 6-[(6-aminohexyl)oxy]-2-(3-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H) yl)propyl)-3,4-dihydroisoquinolin-1(2H)-one (MLP66) and 6-[1-[3-(4 cyclohexylpiperazin-1-yl)propyl]-1,2,3,4-tetrahydronaphthalen-5-yloxy]hexylamine (TA6). The proposed nanostructures represent a challenging alternative to all previously studied organic small fluorescent molecules, based on the same sigma-2 receptor affinity moieties. Flow cytometry and confocal fluorescence microscopy experiments, respectively, on fixed and living cancerous MCF7 cells, which overexpress the sigma-2 receptor, prove the ability of functionalized (QD@SiO2 TA6 and QD@SiO2-MLP66) NPs to be internalized and demonstrate their affinity to the sigma-2 receptor, ultimately validating the targeting properties conveyed to the NPs by sigma-2 ligand conjugation. The presented QD-based nanoprobes possess a great potential as in vitro selective sigma-2 receptor imaging agent and, consequently, could provide a significant impact to future theranostic applications. PMID- 29226685 TI - Size Effect on Lipid Nanocapsule-Mediated GLP-1 Secretion from Enteroendocrine L Cells. AB - L cells are enteroendocrine cells located throughout the gastrointestinal tract that secrete physiologically important peptides. The most characterized peptides secreted by L cells are the peptide YY (PYY) and the glucagon-like peptides 1 (GLP-1) and 2 (GLP-2). These peptides are released rapidly into the circulation after oral nutrient ingestion. Recently, lipid-based nanoparticles (NP) have been described as triggers for GLP-1 secretion by L cells. NP physicochemical properties play a key role in the NP-cell interaction, and drive NP cell internalization. We herein hypothesize that lipid-based NP with appropriate size would not only be able to deliver drugs into blood circulation but also act like endogenous ligands to stimulate GLP-1 secretion. We tested five different size (25, 50, 100, 150, and 200 nm) lipid nanocapsules (LNC) on murine L cells in vitro to confirm this hypothesis. Our study showed that GLP-1 secretion was induced only by the 200 nm size LNC, highlighting the importance of LNC particle size on the secretion of GLP-1 by L cells. The different formulations did not affect proglucagon mRNA expression, suggesting that there was not an increased GLP-1 synthesis. As a proof of concept, we further demonstrated in normoglycemic mice that 200 nm LNC administration increases GLP-1 levels by 4- and 3-fold compared to untreated control mice 60 and 180 min after the administration, respectively. Our study suggests that 200 nm LNC as a nanocarrier to encapsulate drug candidates and as a ligand to induce endogenous GLP-1 secretion might represent a promising strategy for type 2 diabetes mellitus treatment. PMID- 29226687 TI - Validation of a New Scoring Scale for Behavioral Assessment of L-Dopa-Induced Dyskinesia in the Rat: A New Tool for Early Decision-Making in Drug Development. AB - The 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated nonhuman primate (NHP) has been described as the most translatable model for experimental reproduction of L-dopa-induced dyskinesia (LID). However, from a drug discovery perspective, the risk associated with investment in this type of model is high due to the time and cost. The 6-hydroxydopamine (6-OHDA) rat dyskinesia model is recommended for testing compounds but relies on onerous, and nonstandard behavioral rating scales. We sought to develop a simplified and sensitive method aiming at assessing LID in the rat. The purpose was to validate a reliable tool providing earlier insight into the antidyskinetic potential of compounds in a time/cost-effective manner before further investigation in NHP models. Unilaterally 6-OHDA-lesioned rats were administered L-dopa (20 mg/kg) and benserazide (5 mg/kg) daily for 3 weeks starting 4 weeks postlesion, then coadministered with amantadine (20-30-40 mg/kg). An adapted rating scale was used to score LID frequency and a severity coefficient was applied depending on the features of the observed behavior. A gradual increase (about 3-fold) in LID score was observed over the 3 weeks of L-dopa treatment. The rating scale was sensitive enough to highlight a dose-dependent amantadine-mediated decrease (about 2.2 fold) in LID score. We validated a simplified method, able to reflect different levels of severity in the assessment of LID and, thus, provide a reliable tool for drug discovery. PMID- 29226686 TI - Enhanced Specific Activity by Multichelation of Exendin-3 Leads To Improved Image Quality and In Vivo Beta Cell Imaging. AB - Glucagon-like peptide-1 receptor (GLP-1R) targeting using radiolabeled exendin is a promising approach to noninvasively visualize and determine beta cell mass (BCM), which could help to unravel the pathophysiology of diabetes. However, saturation of the GLP-1R on beta cells occurs at low peptide doses, since the number of receptors expressed under physiological conditions is low. Therefore, tracers with high specific activities are required to sensitively image small variations in BCM. Here, we describe a novel exendin-3-based radiotracer with multiple chelators and determine its potential for in vivo beta cell imaging. Exendin-3 was modified by adding six lysine residues C-terminally conjugated with one, two, or six DTPA moieties. All compounds were labeled with 111In and their GLP-1R affinity was determined in vitro using GLP-1R expressing cells. The in vivo behavior of the 111In-labeled tracers was examined in BALB/c nude mice with a subcutaneous GLP-1R expressing tumor (INS-1). Brown Norway rats were used for SPECT visualization of the pancreatic BCM. Addition of six lysine and six DTPA residues (hexendin(40-45)) resulted in a 7-fold increase in specific activity (from 0.73 GBq/nmol to 5.54 GBq/nmol). IC50 values varied between 5.2 and 69.5 nM. All compounds with two or six lysine and DTPA residues had a significantly lower receptor affinity than [Lys40(DTPA)]exendin-3 (4.4 nM, p < 0.05). The biodistribution in mice revealed no significant decrease in pancreatic uptake after addition of six lysine and DTPA molecules. Hexendin(40-45) showed a 6-fold increase in absolute 111In uptake in the pancreas of Brown Norway rats compared to [Lys40(DTPA)]exendin-3 (182.7 +/- 42.3 kBq vs 28.8 +/- 6.0 kBq, p < 0.001). Visualization of the pancreas on SPECT was improved using hexendin(40-45), due to the higher count rate, achieved at the same peptide dose. In conclusion, hexendin(40-45) showed an improved visualization of the pancreas with SPECT. This tracer holds promise to sensitively and specifically detect small variations in BCM. PMID- 29226688 TI - Performance Limits of Luminescent Solar Concentrators Tested with Seed/Quantum Well Quantum Dots in a Selective-Reflector-Based Optical Cavity. AB - Luminescent solar concentrators (LSCs) can serve as large-area sunlight collectors for photovoltaic devices. An important LSC characteristic is a concentration factor (C), which is defined as the ratio of the output and the input photon flux densities. This parameter can be also thought of as an effective enlargement factor of a solar cell active area. On the basis of thermodynamic considerations, the C-factor can reach extremely high values that exceed those accessible with traditional concentrating optics. In reality, however, the best reported values of C are around 30. Here we demonstrate that using a new type of high-emissivity quantum dots (QDs) incorporated into a specially designed cavity, we are able to achieve the C of ~62 for spectrally integrated emission and ~120 for the red portion of the photoluminescence spectrum. The key feature of these QDs is a seed/quantum-well/thick-shell design, which allows for obtaining a high emission quantum yield (>95%) simultaneously with a large LSC quality factor (QLSC of ~100) defined as the ratio of absorption coefficients at the wavelengths of incident and reemitted light. By incorporating the QDs into a specially designed cavity equipped with a top selective reflector (a Bragg mirror or a thin silver film), we are able to effectively recycle reemitted light achieving light trapping coefficients of ~85%. The observed performance of these devices is in remarkable agreement with analytical modeling, which allows us to project that the applied approach should allow one to boost the spectrally integrated concentration factors to more than 100 by further improving light trapping and/or increasing QLSC. PMID- 29226689 TI - Simultaneous Multislice Resting-State Functional Magnetic Resonance Imaging at 3 Tesla: Slice-Acceleration-Related Biases in Physiological Effects. AB - Simultaneous multislice echo-planar imaging (SMS-EPI) can enhance the spatiotemporal resolution of resting-state functional MRI (rs-fMRI) by encoding and simultaneously imaging "groups" of slices. However, phenomena, including respiration, cardiac pulsatility, respiration volume per time (RVT), and cardiac rate variation (CRV), referred to as "physiological processes," impact SMS-EPI rs fMRI in a manner that is yet to be well characterized. In particular, physiological noise may incur aliasing and introduce spurious signals from one slice into another within the "slice group" in rs-fMRI data, resulting in a deleterious effect on resting-state functional connectivity MRI (rs-fcMRI) maps. In the present work, we aimed to quantitatively compare the effects of physiological noise on regular EPI and SMS-EPI in terms of rs-fMRI data and resulting functional connectivity measurements. We compare SMS-EPI and regular EPI data acquired from 11 healthy young adults with matching parameters. The physiological noise characteristics were compared between the two data sets through different combinations of physiological regression steps. We observed that the physiological noise characteristics differed between SMS-EPI and regular EPI, with cardiac pulsatility contributing more to noise in regular EPI data but low-frequency heart rate variability contributing more to SMS-EPI. In addition, a significant slice-group bias was observed in the functional connectivity density maps derived from SMS-EPI data. We conclude that making appropriate corrections for physiological noise is likely more important for SMS-EPI than for regular EPI acquisitions. PMID- 29226691 TI - Could the nicotine receptor partial agonist varenicline moderate manic symptoms in heavy smokers with manic episodes? PMID- 29226690 TI - Low Levels of Endothelial Progenitor Cells and Their Association with Systemic Inflammation and Monocyte Activation in Older HIV-Infected Men. AB - Endothelial progenitor cells (EPCs) repair damaged vascular endothelium, and low circulating EPC levels have been associated with cardiovascular disease (CVD). CD34+/KDR+ EPCs are commonly reported in the literature and CD34+/CD133+/KDR+ EPCs are rare in circulation but highly specific for endothelial lineage. HIV infected (HIV+) adults have chronic inflammation and increased CVD risk, but the relationship between CVD, vascular inflammation, and EPCs in HIV remains unclear. In a pilot study, EPCs were measured in 57 HIV+ men [>=50 years old, HIV-1 RNA <50 copies/ml on antiretroviral therapy (ART)] by real-time flow cytometry using cellular immaturity (CD34 and/or CD133) and endothelial commitment (KDR) markers. Fasting inflammatory biomarker levels were measured by ELISA. Median age was 57 years; CD4+ T lymphocyte count was 570 cells/mm3. Prevalent CVD risk factors included 16% diabetes, 28% hypertension, 53% dyslipidemia, and 33% smoking. Median (interquartile range) EPC values were CD34+/KDR+ 0.1 (0.0-0.9) cells/105 peripheral blood mononuclear cells (PBMCs) and CD34+/CD133+/KDR+ 0.1 (0.0-0.9) cells/105 PBMCs. We observed a high prevalence of undetectable CD34+/KDR+ (40%) and CD34+/CD133+/KDR+ EPCs (44%). Men with undetectable EPCs were more likely to have >=2 CVD risk factors, lower interleukin-6 (IL-6), and higher sCD163 levels. In these older HIV+ men on suppressive ART, CD34+/KDR+ and CD34+/CD133+/KDR+ EPC levels were low and often undetectable. Undetectable EPC levels were associated with greater CVD risk factor burden, lower IL-6 (consistent with decreased EPC production stimulus), and higher sCD163 (consistent with monocyte activation and prior CVD associations) levels, suggesting a potential relationship between EPCs and atherosclerotic burden in this population. PMID- 29226692 TI - Identification of a Novel HIV-1 Unique Recombinant Form Between B, CRF01_AE and CRF07_BC in Men Who Have Sex with Men in Guangxi, China. AB - B, CRF01_AE and CRF07_BC are three major HIV-1 subtypes circulating in China. Here we detected a novel CCR5-tropic HIV-1 recombinant virus (GX2016EU23), which was isolated from an HIV-1-infected man who had sex with men (MSM) in Guangxi, China. Phylogenetic analysis of the near full-length genome showed that GX2016EU23 consisted of at least seven segments, that is two B, two CRF01_AE, and three CRF07_BC segments. Recombinant breakpoints of GX2016EU23 were observed in the gag, pol, rev, and env regions. This is the first detection of a novel HIV-1 recombinant (B/CRF01_AE/CRF07_BC) in MSM in Guangxi. The emergence of this novel recombinant suggests the increasing genetic diversity of the HIV-1 epidemic among the MSM group in China. PMID- 29226693 TI - Higher pulse pressure and risk for cardiovascular events in patients with essential hypertension: The Campania Salute Network. AB - Background Increased pulse pressure is associated with structural target organ damage, especially in elderly patients, increasing cardiovascular risk. Design In this analysis, we investigated whether high pulse pressure retains a prognostic effect also when common markers of target organ damage are taken into account. Methods We analysed an unselected cohort of treated hypertensive patients from the Campania Salute Network registry ( n = 7336). Participants with available cardiac and carotid ultrasound were required to be free of prevalent cardiovascular disease, with ejection fraction >=50%, and no more than stage III Chronic Kidney Disease. The median follow-up was 41 months and end-point was occurrence of major cardiovascular events (i.e. fatal and non-fatal stroke or myocardial infarction and sudden death). Based on current guidelines, pulse pressure >=60 mm Hg was classified as high pulse pressure ( n = 2356), at the time of the initial visit, whereas pulse pressure <60 mm Hg was considered normal ( n = 4980). Results High pulse pressure patients were older, more likely to be women and diabetic, while receiving more antihypertensive medications than normal pulse pressure (all p < 0.0001). High pulse pressure exhibited greater prevalence of left ventricular hypertrophy, and carotid plaque than normal pulse pressure (all p < 0.0001). In Cox regression, high pulse pressure patients had 57% increased hazard of major cardiovascular events, compared to normal pulse pressure (hazard ratio = 1.57; 95% confidence interval: 1.12-2.22, p = 0.01), an effect that was independent of significant prognostic impact of older age, male sex, diabetes, left ventricular hypertrophy, carotid plaque and less prescription of anti-renin-angiotensin system therapy. Conclusions High pulse pressure is a functional marker of target organ damage, predicting cardiovascular events in hypertensive patients, even independently of well-known structural markers of target organ damage. PMID- 29226694 TI - Effectiveness of motivational interviewing for improving physical activity self management for adults with type 2 diabetes: A review. AB - Objectives This review examines the effectiveness of motivational interviewing for physical activity self-management for adults diagnosed with diabetes mellitus type 2. Motivational interviewing is a patient centered individually tailored counseling intervention that aims to elicit a patient's own motivation for health behavior change. Review questions include (a) How have motivational interviewing methods been applied to physical activity interventions for adults with diabetes mellitus type 2? (b) What motivational interviewing approaches are associated with successful physical activity outcomes with diabetes mellitus 2? Methods Database searches used PubMed, CINAHL, and PsycINFO for the years 2000 to 2016. Criteria for inclusion was motivational interviewing used as the principal intervention in the tradition of Miller and Rollnick, measurement of physical activity, statistical significance reported for physical activity outcomes, quantitative research, and articles written in English. Results A total of nine studies met review criteria and four included motivational interviewing interventions associated with significant physical activity outcomes. Discussion Findings suggest motivational interviewing sessions should target a minimal number of self-management behaviors, be delivered by counselors proficient in motivational interviewing, and use motivational interviewing protocols with an emphasis placed either on duration or frequency of sessions. PMID- 29226695 TI - Racial disparities in health and health behaviors among gay, lesbian, bisexual and heterosexual men and women in the BRFSS-SOP. AB - OBJECTIVES: Research on sexual minority health lack examinations of how sexual orientation intersects with other identities, including racial/ethnic identity, to shape health outcomes among U.S. adults. This study examines how health status and health behavior varies for gay, lesbian, and bisexual men and women who identify as non-Hispanic white, non-Hispanic black, Latino, Asian/Pacific Islander, and American Indian/Alaskan Native. By examining health and health behaviors within and across sexual minority subgroups, our study reports on race/ethnic, gender, and sexual orientation specific health risks. METHODS: We respond to shortcomings in current data by utilizing aggregated data from fourteen states from the Behavioral Risk Factor Surveillance System (BRFSS) collected between 2005 and 2010 (n = 557,773). We investigated the odds of reporting poorer health, current cigarette smoking, and obesity by sexual orientation within race/ethnic and gender subgroups; all statistical analyses were performed in 2016. RESULTS: Results suggest persistent health and behavior disadvantages for lesbian and bisexual women of all racial and ethnic identities, relative to heterosexuals. Some of the heightened odds are extreme. Asian/Pacific Islander lesbian (OR = 3.92) and bisexual (OR = 4.61) women, for example, have 4.0 times higher odds of smoking than heterosexual A/PI women. Results for men are more variable. To illustrate, the odds of obesity for White and A/PI men are indistinguishable between bisexuals and heterosexuals, and Black and American Indian/Alaskan Native bisexuals have lower odds of obesity than their heterosexual counterparts. CONCLUSION: These findings highlight the need for policy efforts aimed at improving health and health behaviors among lesbian and bisexual women across groups, and more targeted efforts among sexual minority men. PMID- 29226696 TI - To change or not to change - That is the question: A qualitative study of lifestyle changes following acute myocardial infarction. AB - Objective The purpose of this study was to investigate key factors related to lifestyle changes following acute myocardial infarction (AMI) by eliciting survivors' subjective needs for, attitudes towards and experiences with behaviour changes in their everyday life to improve future interventions promoting lifestyle changes. Methods Semi-structured interviews were conducted with 21 individuals who had recently experienced an AMI. The interviews were audio recorded and transcribed verbatim. The data were analysed using qualitative content analysis. Results The data analysis revealed that lifestyle changes following AMI are influenced by a combination of individual (physical and psychological) and social factors that can be grouped into facilitators and barriers. The interviews indicated the need for more personalised information regarding the causes and risk factors of illness, the benefits of lifestyle changes and the importance of including significant others in lifestyle advice and education and of individualising support. Discussion Lifestyle change is a continuous process that is not completed within a few months after a cardiac event. Considering the identified themes when developing interventions to promote lifestyle changes following AMI may enhance the effectiveness and sustainability of such interventions. PMID- 29226697 TI - Update on the use of direct oral anticoagulants for the prevention and treatment of thromboembolism. AB - Following publication of our review article 4 years ago, there has been an uptake in the use of nonvitamin K oral antagonists, also known as direct oral anticoagulants. The most recent Xa inhibitors to receive approval are edoxaban, which has been approved for use in both atrial fibrillation and venous thromboembolism prevention and betrixaban, which has been approved in the USA for extended thromboprophylaxis in the medically ill population. Additional analyses of certain types of atrial fibrillation patients have now become available. Ongoing prescriber vigilance is recommended as additional information continues to emerge with this class of medications. The purpose of this paper is to provide an update on the use of the direct oral anticoagulant agents for the prevention and treatment of thromboembolism. PMID- 29226699 TI - Acute Mental Status Change in an Adolescent Male. PMID- 29226698 TI - In vitro and in vivo activity of Manuka honey against NDM-1-producing Klebsiella pneumoniae ST11. AB - AIM: To determine the therapeutic potential of Manuka honey against New Delhi metallo-beta-lactamase-1-producing Klebsiella pneumoniae ST11 in vitro and in vivo. MATERIALS & METHODS: Carbapenamases and metallo-beta-lactamases-producing K. pneumoniae ST11 isolated from blood culture was confirmed by VITEK-2(r) system, matrix-assisted laser desorption ionization-time of flight and multilocus sequence typing, followed by determination of minimum inhibitory concentration (MUg/ml) using VITEK-2 system. Genetic analysis of bla NDM-1 was done by PCR, pulsed-field gel electrophoresis and DNA hybridization. In vitro and in vivo efficacy of Manuka honey was performed by microbroth dilution assay and BALB/c mice model respectively. RESULTS: K. pneumoniae ST11 displayed resistance to commonly used antibiotics. bla NDM-1 was located on 150 and 270kb plasmids. Minimum inhibitory concentration and minimum bactericidal concentration of Manuka honey was 30% (v/v) and substantial reduction of bacterial mean log value (>1 log) was observed in mice. Histological analysis of mice liver and kidneys demonstrated mild to moderate inflammation. CONCLUSION: Manuka honey can be used as an alternate therapeutic approach for management of New Delhi metallo-beta lactamase-producing pathogens. PMID- 29226700 TI - Retrospective Correction of Physiological Noise: Impact on Sensitivity, Specificity, and Reproducibility of Resting-State Functional Connectivity in a Reading Network Model. AB - It is well accepted that physiological noise (PN) obscures the detection of neural fluctuations in resting-state functional connectivity (rsFC) magnetic resonance imaging. However, a clear consensus for an optimal PN correction (PNC) methodology and how it can impact the rsFC signal characteristics is still lacking. In this study, we probe the impact of three PNC methods: RETROICOR: (Glover et al., 2000 ), ANATICOR: (Jo et al., 2010 ), and RVTMBPM: (Bianciardi et al., 2009 ). Using a reading network model, we systematically explore the effects of PNC optimization on sensitivity, specificity, and reproducibility of rsFC signals. In terms of specificity, ANATICOR was found to be effective in removing local white matter (WM) fluctuations and also resulted in aggressive removal of expected cortical-to-subcortical functional connections. The ability of RETROICOR to remove PN was equivalent to removal of simulated random PN such that it artificially inflated the connection strength, thereby decreasing sensitivity. RVTMBPM maintained specificity and sensitivity by balanced removal of vasodilatory PN and local WM nuisance edges. Another aspect of this work was exploring the effects of PNC on identifying reading group differences. Most PNC methods accounted for between-subject PN variability resulting in reduced intersession reproducibility. This effect facilitated the detection of the most consistent group differences. RVTMBPM was most effective in detecting significant group differences due to its inherent sensitivity to removing spatially structured and temporally repeating PN arising from dense vasculature. Finally, results suggest that combining all three PNC resulted in "overcorrection" by removing signal along with noise. PMID- 29226701 TI - Parental happiness and strain among young adult parents diagnosed with Attention Deficit Hyperactivity Disorder. AB - This study used data from the National Longitudinal Study of Adolescent to Adult Health (Add Health) to examine whether young adult parents diagnosed with Attention Deficit Hyperactivity Disorder experience less parental happiness and/or more parental strain than their counterparts not diagnosed with Attention Deficit Hyperactivity Disorder. Results from logistic regression models indicated that young adult parents ever diagnosed with Attention Deficit Hyperactivity Disorder have significantly greater odds of feeling overwhelmed as parents and significantly lower odds of feeling close to their children or happy in their role as parents compared to those never diagnosed with Attention Deficit Hyperactivity Disorder. Potential implications of these results for scholars as well as health professionals treating adult Attention Deficit Hyperactivity Disorder patients with children are discussed. PMID- 29226702 TI - Extended-spectrum beta-lactamase-producing Escherichia coli in wastewaters and refugee camp in Lebanon. AB - AIM: To evaluate the effects of population influx of refugees on the prevalence of extended-spectrum beta-lactamase-producing Escherichia coli in wastewater networks in Lebanon. MATERIALS & METHODS: Pulsed-field gel electrophoresis, multilocus sequence typing and antibiotic resistance genes typing were performed. RESULTS: 53.1% of isolates recovered from Al-Qaa refugee camp were positive for the tested resistant determinants compared with 49.1% from river effluents. All isolates carried aac(6)-1b and/or aac(3)-II; none carried armA, rmtB, ant(4') Iia, aph(3')-Ia or carbapenemases. CTX-M-15, TEM-1, OXA-1, CMY-2 and SHV-12 were detected. Single and/or double substitutions were detected in GyrA and ParC. Phylogenetic group B2 and ST6470 were the most prevalent. Pulsed-field gel electrophoresis revealed 19 XbaI patterns and 17 pulsotypes. CONCLUSION: The introduction of novel resistance patterns into the wastewater network requires effective control. PMID- 29226704 TI - HIV Cure Research Crowdsourcing: An Author Response. PMID- 29226703 TI - Sex Hormones Modulate the Relationship Between Global Advantage, Lateralization, and Interhemispheric Connectivity in a Navon Paradigm. AB - Sex, stimulus material, and attention condition have previously been related to global advantage (GA; faster responses to global targets than to local targets) on the one hand and lateralization during global-local processing on the other hand. It is presumed that the lateralization of brain functions is either related to the inhibitory influence of the dominant on the nondominant hemisphere or reduced excitation between hemispheres. However, a direct relationship between the GA and lateralization and interhemispheric connectivity has not been previously established. In this study, 58 participants (29 men, 29 naturally cycling women) completed a Navon paradigm, modulating attention condition (divided vs. focused) and stimulus material (letters vs. shapes) during functional magnetic resonance imaging. The size of the GA effect, lateralization indices, interhemispheric connectivity, and sex hormone levels were assessed. In summary, this study suggests that interhemispheric connectivity during global local processing is affected by sex and material. Furthermore, the relationship between interhemispheric connectivity, lateralization, and behavior was modulated by sex and sex hormones. Results suggest (1) differential roles of interhemispheric connectivity for lateralization in men and women and (2) differential roles of lateralization for behavior in men and women. Importantly, the classic assumption that a more negative connectivity leads to stronger lateralization, which in turn leads to a stronger GA effect, was observed in men, whereas the opposite pattern was found in women. The relationship between connectivity and lateralization was mediated through testosterone levels, whereas the relationship between lateralization and behavior was mediated through progesterone levels. Results are discussed in light of differential functions of inhibitory and excitatory interhemispheric processes in men and women. PMID- 29226705 TI - Survival prediction in pancreatic cancer patients with no distant metastasis: a large-scale population-based estimate. AB - AIM: To identify the risk factors for overall survival (OS) of pancreatic ductal adenocarcinoma patients with no distant metastasis, and formulate a novel nomogram for prognostic prediction. PATIENTS & METHODS: Data were obtained from Surveillance, Epidemiology, and End Results database of pancreatic ductal adenocarcinoma patients with no distant metastasis as the primary cohort, and 127 patients at our institution were enrolled as the validation cohort. The prognostic nomogram integrating all independent risk factors for predicting OS was established to achieve superior discriminatory ability. RESULTS: The constructed nomogram showed excellent performance and superior predictive accuracy for OS according to the concordance index and calibration curve. CONCLUSION: One more advanced and accurate predictive model will be obtained to assist in risk stratification via the constructed nomogram. PMID- 29226707 TI - Managing anticoagulation in patients receiving implantable cardiac devices. AB - A substantial proportion of patients who undergo cardiac device implantation receive oral anticoagulation to prevent thromboembolism or antiplatelets to prevent thrombotic events. Anticoagulation and antiplatelets increase the risk of hemorrhagic complications, while discontinuation may increase thromboembolic risk and thrombotic events. With the introduction of non-vitamin K antagonist oral anticoagulant agents and the newer antiplatelet agents such as prasugrel or ticagrelor, the perioperative management of patients has become more challenging. In this article, we review the recent trials and meta-analysis and describe the available evidence, as well as the current recommendations in order to inform best practice. We also reinforce the importance of further trials in this complex and rapidly evolving area. PMID- 29226706 TI - Natural Products and HIV/AIDS. AB - The study of natural products in biomedical research is not a modern concept. Many of the most successful medical therapeutics are derived from natural products, including those studied in the field of HIV/AIDS. Biomedical research has a rich history of discovery based on screens of medicinal herbs and traditional medicine practices. Compounds derived from natural products, which repress HIV and those that activate latent HIV, have been reported. It is important to remember the tradition in medical research to derive therapies based on these natural products and to overcome the negative perception of natural products as an "alternative medicine." PMID- 29226708 TI - "Men Are in Front at Eating Time, but Not When It Comes to Rearing the Chicken": Unpacking the Gendered Benefits and Costs of Livestock Ownership in Kenya. AB - BACKGROUND: Livestock can promote resilience in low-income communities through a number of pathways. Livestock development programs seek to amplify these benefits but often fail to consider the costs to intended beneficiaries or the effect of prevailing gender norms. OBJECTIVE: To explore perceptions of livestock ownership among female smallholder livestock keepers in Nyanza Region, Kenya, and unpack how the distribution of livestock benefits and investments varies by gender within households. METHODS: We used multiple ethnographic techniques, including Photovoice, a photo-elicitation interview method, focus group discussions, and pile sorts, with female smallholder livestock owners (n = 18) participating in an ongoing cohort study. Transcripts were coded using a combination of a priori constructs and grounded theory. RESULTS: We found that livestock benefited households by providing financial security, food security, social benefits, and human time and labor savings. However, these benefits largely promoted long-term household resilience rather than immediate gains. Livestock ownership also had major costs to household time and labor, which were overwhelmingly borne by women and children. Despite this investment, women had limited livestock ownership rights, decision-making power, control over income, or access to meat. CONCLUSIONS: Our findings suggest that livestock ownership requires significant investments of household time and labor, which disproportionately burden women. Prevailing gender inequalities may therefore constrain the net benefit of livestock ownership for many women and their households in some contexts. Livestock development programs must assess both program benefits and costs at multiple levels to ensure that women's participation in livestock production leads to improved individual and household outcomes. PMID- 29226709 TI - Enhanced Brain Network Activity in Complex Movement Rhythms: A Simultaneous Functional Magnetic Resonance Imaging and Electroencephalography Study. AB - Generating movement rhythms is known to involve a network of distributed brain regions associated with motor planning, control, execution, and perception of timing for the repertoire of motor actions. What brain areas are bound in the network and how the network activity is modulated by rhythmic complexity have not been completely explored. To contribute to answering these questions, we designed a study in which nine healthy participants performed simple to complex rhythmic finger movement tasks while undergoing simultaneous functional magnetic resonance imaging and electroencephalography (fMRI-EEG) recordings of their brain activity during the tasks and rest. From fMRI blood oxygenation-level-dependent (BOLD) measurements, we found that the complexity of rhythms was associated with brain activations in the primary motor cortex (PMC), supplementary motor area (SMA), and cerebellum (Cb), and with network interactions from these cortical regions to the cerebellum. The spectral analysis of single-trial EEG source waveforms at the cortical regions further showed that there were bidirectional interactions between PMC and SMA, and the complexity of rhythms was associated with power spectra and Granger causality spectra in the beta (13-30 Hz) frequency band, not in the alpha (8-12 Hz) and gamma (30-58 Hz) bands. These results provide us new insights into the mechanisms for movement rhythm complexity. PMID- 29226712 TI - [Risk stratification before thoracic surgery, perioperative pulmonary rehabilitation]. AB - INTRODUCTION: Besides the oncology and operative surgical technics, functional aspects influence the operability of lung cancer. Preoperative risk stratification, evaluation of postoperative complications needs to be considered. AIM: To review international literature and experiences of our institute. METHOD: We focused the literature of risk stratification of thoracic surgery. Lung function, lung mechanics, chest kinematics, exercise physiology were considered. Effectiveness of pulmonary rehabilitation for cardiovascular system, lung mechanics, muscles, exercise capacity and quality of life were evaluated. Laboratory parameters, comorbidities, obesity, cachexia, smoking cessation were considered. RESULTS: Elevated blood sugar, kidney function, reduced albumin level increased the risk. COPD, sleep apnoea, heart failure, obesity and cachexia influences the outcome. Smoking cessation may reduce postoperative complications. Controlled breathing technics, chest wall mobilization, training have favourable effects. Psychosocial support and dietetics are important. CONCLUSIONS: Risk stratification is supported by laboratory parameters, lung function, oxygen uptake and comorbidities. Pulmonary rehabilitation can improve functionality and quality of life. Orv Hetil. 2017; 158(50): 1989-1997. PMID- 29226713 TI - [Prognostic importance of lactate dehydrogenase (LDH) in oncology]. AB - Glycolysis is increased in most of the malignant cells, providing the largest proportion of energy needed for cell proliferation. Lactate dehydrogenase (LDH) catalyses the reversible process of pyruvate to lactate in anaerobic condition. LDHA isoenzyme expressed mainly by malignant cells, significantly increases lactate formation. Lactate induces the proliferation of oxygenated malignant cells, angiogenesis, and inhibits the innate and adaptive immune responses. Baseline serum LDH elevation correlates with shorter survival. The authors review the relevant studies exploring the correlation between LDH elevation and the prognosis of malignant diseases. Orv Hetil. 2017; 158(50): 1977-1988. PMID- 29226714 TI - [Analysis of D-dimer laboratory findings and clinical evaluation]. AB - D-dimer is a product of the enzymatic degradation of the fibrinogen-fibrin molecule, and its existence is demonstrable in circulation. The test based limits may be considered as normal values. It was first thought to be a product of coagulation, then a product of lysis. High-concentration D-dimer in blood detected in thromboembolic diseases is considered to be of diagnostic value. In cases where thromboembolism was ruled out despite elevated titres but heparin (LMWH) or CLOPIDOGREL was given as a cautionary measure, we found that D-dimer values remained elevated. This finding means that in vivo coagulation is not a precondition to D-dimer formation. Analysis of such cases uncovers liver or kidney disease in the background, but old age may also be a factor. Often elevated ferritin levels were observed 'in parallel' with elevated D-dimer values. These findings lead us to presume an enzymatic degradation process of 'elderly' protein molecules, which is universally applicable. Orv Hetil. 2017; 158(50): 1971-1976. PMID- 29226710 TI - Group A Streptococcus encounters with host macrophages. AB - Group A Streptococcus (GAS) is a leading human bacterial pathogen with diverse clinical manifestations. Macrophages constitute a critical first line of host defense against GAS infection, using numerous surface and intracellular receptors such as Toll-like receptors and inflammasomes for pathogen recognition and activation of inflammatory signaling pathways. Depending on the intensity of the GAS infection, activation of these signaling cascades may provide a beneficial early alarm for effective immune clearance, or conversely, may cause hyperinflammation and tissue injury during severe invasive infection. Although traditionally considered an extracellular pathogen, GAS can invade and replicate within macrophages using specific molecular mechanisms to resist phagolysosomal and xenophagic killing. Unraveling GAS-macrophage encounters may reveal new treatment options for this leading agent of infection-associated mortality. [Formula: see text]. PMID- 29226715 TI - [Professor George Szemere (1931-2016) founder of the first regional genetic counselling service in Hungary]. PMID- 29226716 TI - [Case report on choroidal effusion after oral acetazolamide administration: an unusual manifestation of a well-known idiosyncratic effect?] AB - Sulpha drugs are widely employed in medicine for various diseases and disorders. During the last several decades, numerous papers had been published on supra ciliary and posterior choroidal effusion likely presenting as an idiosyncratic effect of these drugs especially of acetazolamide. In each publication, the effusion was associated with either an acute angle-closure glaucoma or transitory myopia or both of these as leading symptoms. In the current publication, authors report on two cases where the acetazolamide-induced choroidal effusion was an accidental finding without either a myopic shift in refraction or an acute elevation in intraocular pressure. To our best knowledge, ours is the first report in the literature describing this unusual, "silent" form of a sulpha drug induced choroidal effusion. Since the choroidal involvement may vary in size and location, and is not necessarily associated with acute glaucoma and myopia, one can assume that a considerable amount of acetazolamide-related ocular side effects will not be discovered. The above case report aims to draw the attention of other specialities to the need for ophthalmic examination for their patients taking sulpha drugs with acute visual deterioration. Orv Hetil. 2017; 158(50): 1998-2002. PMID- 29226717 TI - Atypical chronic myeloid leukemia: a rare entity with management challenges. AB - The aim of our study was to review the clinicopathologic features and management of atypical chronic myeloid leukemia (aCML). Relevant manuscripts published in English were searched using PubMed. aCML is diagnosed as per WHO 2016 classification in the presence of leukocytosis >=13 * 109/l with circulating neutrophil precursors >=10%, monocytes less than 10%, minimal basophils, hypercellular bone marrow with granulocytic proliferation and dysplasia, bone marrow blast less than 20% and absence of BCR/ABL fusion gene. Common cytogenetic features and mutations include trisomy 8, and mutations in SETBP1 and ETNK1. Median survival is 1-2 years. Hematopoietic stem cell transplant may be the only curative option. Ruxolitinib and dasatinib are emerging therapeutic options. Thus, aCML is a rare entity with poor survival. Novel therapies are needed. PMID- 29226718 TI - Contribution to FE modeling for intraoperative pedicle screw strength prediction. AB - Although the use of pedicle screws is considered safe, mechanical issues still often occur. Commonly reported issues are screw loosening, screw bending and screw fracture. The aim of this study was to develop a Finite Element (FE) model for the study of pedicle screw biomechanics and for the prediction of the intraoperative pullout strength. The model includes both a parameterized screw model and a patient-specific vertebra model. Pullout experiments were performed on 30 human cadaveric vertebrae from ten donors. The experimental force displacement data served to evaluate the FE model performance. MUCT images were taken before and after screw insertion, allowing the creation of an accurate 3D model and a precise representation of the mechanical properties of the bone. The experimental results revealed a significant positive correlation between bone mineral density (BMD) and pullout strength (Spearman rho = 0.59, p < 0.001) as well as between BMD and pullout stiffness (Spearman rho = 0.59, p < 0.001). A high positive correlation was also found between the pullout strength and stiffness (Spearman rho = 0.84, p < 0.0001). The FE model was able to reproduce the linear part of the experimental force-displacement curve. Moreover, a high positive correlation was found between numerical and experimental pullout stiffness (Pearson rho = 0.96, p < 0.005) and strength (Pearson rho = 0.90, p < 0.05). Once fully validated, this model opens the way for a detailed study of pedicle screw biomechanics and for future adjustments of the screw design. PMID- 29226719 TI - Genotoxicity in Brazilian coal miners and its associated factors. AB - The present study aims to evaluate the potential genotoxic and associated factors among coal miners, divided by degree of exposure. Blood and buccal smears were collected from 158 workers, who actively participate in different activities in coal mining, and 48 individuals living in the same city but do not have participation in coal mining activities (control group). The workers were divided into three different groups, according to the level of contact with coal extraction. A questionnaire intended to identify factors associated with DNA damage was performed in participants. The results regarding oral mucosa micronucleus test showed a significant difference ( p < 0.001) of the worker groups 1 and 2 in relation to the control group, where the group 1 has a higher degree of exposure to coal than group 2. For the lymphocyte micronucleus test and comet assay, there was no significant difference between the exposed groups and control group. There is an association between the outcome and the fact of living in the municipality of the mining company and the exposure to radiation in the last 12 months. Besides, the multivariate analysis showed an association of the tail moment with radiation exposure in the last 12 months. Thus, the findings of this study reveal genotoxicity in oral mucosa cells of workers exposed to coal and that workers with higher degree of contact with coal have a more pronounced response. PMID- 29226720 TI - Memantine induces apoptosis and inhibits cell cycle progression in LNCaP prostate cancer cells. AB - Deregulated cancer cell metabolism plays an important role in cancer progression. Cancer cell metabolism has been in the centre of attention in therapeutical cancer cell targeting. Repurposed chemical agents, such as metformin and aspirin, have been studied extensively as preventive and therapeutic agents. Metformin is Food and Drug administration (FDA)-approved antidiabetic drug cheaper than other chemotherapeutic agents that were shown to have anticancer effects. Memantine is an FDA-approved Alzheimer's drug. Drug repositioning studies offer wide range of benefits, such as reduced time, cost and risk over de novo drug discovery. Therefore, we aimed to target glucose and glutamine metabolism in androgen dependent LNCaP cells by using metformin and memantine and investigate these agents' effects on prostate cancer cell proliferation in vitro. We evaluated the effects of metformin and memantine on the protein expression levels of genes that play significant roles in apoptosis and cell cycle progression (Casp3, Casp9, Bcl 2, Survivin, Bax, c-Myc, HIF1A, CCND1, CDK4 and GAPDH) by Western blotting. Alzheimer's drug memantine exerted cytotoxic effects at 0.25 mM and metformin at 2.5 mM. We identified for the first time that memantine exerts antineoplastic activity (0.25 mM) by triggering Bax-dependent pathway of apoptosis. In addition to that both molecules have shown similar patterns on pro- and anti-apoptotic protein expression levels, such as Bcl-2, Casp3, Survivin and Bax. Our preclinic results indicate that memantine might be used as a new repositioned drug in cancer treatment. Beyond targeting glucose metabolism, glutamine metabolism also holds great promise for a potential treatment option. PMID- 29226721 TI - Investigational drugs in phase I and phase II clinical trials for hereditary angioedema. AB - INTRODUCTION: Hereditary angioedema (HAE) with C1-inhibitor deficiency (C1-INH HAE) is a rare bradykinin-mediated disease characterized by recurrent subcutaneous and/or submucosal angioedematous attacks (HAE attacks), which occur unpredictably. The recurrent HAE attacks do not respond to conventional treatments, and may evolve into a life-threatening condition; therefore, special therapy is required. Areas covered: The agents used so far for the acute management of HAE attacks act by blocking the release of bradykinin, or its binding to its receptor. By contrast, the investigational medicinal products under evaluation in Phase I and II clinical trials are targeted at the prevention of HAE attacks. Chemically, these new drugs are small synthetic molecules, oligonucleotides, or antibodies, which inhibit either kallikrein, or Factor XII. Expert opinion: The key considerations for the development of new medicinal products include more straightforward dosing, self-administration, longer duration of action, and keeping the patient attack-free. This review summarizes the status and the findings of the currently ongoing Phase I and Phase II clinical trials of C1-INH-HAE. PMID- 29226722 TI - The use of databases, data mining and immunoinformatics in vaccinology: where are we? AB - INTRODUCTION: Vaccinology has evolved from a sub-discipline focussed on simplistic vaccine development based on antibody-mediated protection to a separate discipline involving epidemiology, host and pathogen biology, immunology, genomics, proteomics, structure biology, protein engineering, chemical biology, and delivery systems. Data mining in combination with bioinformatics has provided a scaffold linking all these disciplines to the design of vaccines and vaccine adjuvants. Areas covered: This review provides background knowledge on immunological aspects which have been exploited with informatics for the in silico analysis of immune responses and the design of vaccine antigens. Furthermore, the article presents various databases and bioinformatics tools, and discusses B and T cell epitope predictions, antigen design, adjuvant research and systems immunology, highlighting some important examples, and challenges for the future. Expert opinion: Informatics and data mining have not only reduced the time required for experimental immunology, but also contributed to the identification and design of novel vaccine candidates and the determination of biomarkers and pathways of vaccine response. However, more experimental data is required for benchmarking immunoinformatic tools. Nevertheless, developments in immunoinformatics and reverse vaccinology, which are nascent fields, are likely to hasten vaccine discovery, although the path to regulatory approval is likely to remain a necessary impediment. PMID- 29226723 TI - Pen devices for self-injection: contrasting measured injection force with users' perceived ease of injection. AB - OBJECTIVES: Past research has emphasized injection force as a clinically highly relevant technical attribute of pen devices. However, little work has been conducted to relate these results to in-use studies. This article explores whether and how differences in pen injection force profiles influence users' self reported perceived ease of injection and preferences. METHODS: Three different pen systems were subjected to measurements of injection force using an automated mechanical set-up followed by a simulated use study where users assessed perceived ease of injection. MAIN OUTCOMES MEASURE: Outcomes were measured by fitting data of measured injection force and perceived ease of injection using a linear model. RESULTS: Although mechanical testing revealed significant differences between the three pen's measured injection forces these differences were not directly perceived by users in simulated injection studies. CONCLUSION: The article bridges literature on injection force measurement and simulated use. It reveals how users' perceived ease of injection is less sensitive to measured injection forces than prior research has assumed. Thus, future research should holistically integrate patient feedback in new device development. Key limitations of this work are the low number of participants in the simulated use study and the fact that the ease of injection was assessed indirectly. PMID- 29226724 TI - Standardization of clinical enzyme analysis using frozen human serum pools with values assigned by the International Federation of Clinical Chemistry and Laboratory Medicine reference measurement procedures. AB - Variation in clinical enzyme analysis, particularly across different measuring systems and laboratories, represents a critical but long-lasting problem in diagnosis. Calibrators with traceability and commutability are imminently needed to harmonize analysis in laboratory medicine. Fresh frozen human serum pools were assigned values for alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyltransferase (GGT), creatine kinase (CK) and lactate dehydrogenase (LDH) by six laboratories with established International Federation of Clinical Chemistry and Laboratory Medicine reference measurement procedures. These serum pools were then used across 76 laboratories as a calibrator in the analysis of five enzymes. Bias and imprecision in the measurement of the five enzymes tested were significantly reduced by using the value-assigned serum in analytical systems with open and single-point calibration. The median (interquartile range) of the relative biases of ALT, AST, GGT, CK and LDH were 2.0% (0.6-3.4%), 0.8% (-0.8-2.3%), 1.0% (-0.5-2.0%), 0.2% (-0.3-1.0%) and 0.2% ( 0.9-1.1%), respectively. Before calibration, the interlaboratory coefficients of variation (CVs) in the analysis of patient serum samples were 8.0-8.2%, 7.3-8.5%, 8.1-8.7%, 5.1-5.9% and 5.8-6.4% for ALT, AST, GGT, CK and LDH, respectively; after calibration, the CVs decreased to 2.7-3.3%, 3.0-3.6%, 1.6-2.1%, 1.8-1.9% and 3.3-3.5%, respectively. The results suggest that the use of fresh frozen serum pools significantly improved the comparability of test results in analytical systems with open and single-point calibration. PMID- 29226725 TI - Development of a microcomputed tomography scoring system to characterize disease progression in the Hartley guinea pig model of spontaneous osteoarthritis. AB - AIM: There is potential discrepancy between human and laboratory animal studies of osteoarthritis (OA), as radiographic assessment is the hallmark of the former and histopathology the standard for the latter. This suggests a need to evaluate OA in animal models in a manner similar to that utilized in people. Our study aimed to develop a whole joint grading scheme for microcomputed tomography (microCT) images in Hartley guinea pigs, a strain that recapitulates joint changes highlighted in human spontaneous OA. MATERIALS AND METHODS: Knees from animals aged 2, 3, 5, 9, and 15 months were evaluated via whole joint microCT and standard histologic scoring. Quantitative microCT parameters, such as bone volume/total volume were also collected. RESULTS: Both whole joint microCT and histologic scores increased with advancing age and showed strong correlation (r = 0.89. p < 0.0001). Histologic scores, which focus on cartilage changes, increased progressively with age. Whole joint microCT scores, which characterize bony changes, followed a stepwise pattern: scores increased between 3 and 5 months of age, stayed consistent between 5 and 9 months, and worsened again between 9 and 15 months. CONCLUSIONS: This work provides data that advocates the use of a whole joint microCT scoring system in guinea pig studies of OA, as it provides important information regarding bony changes that occur at a different rate than articular cartilage changes. This grading scheme, in conjunction with histology and quantitative microCT measurements, may enhance the translational value of this animal model as it pertains to human work. PMID- 29226726 TI - Mucosal co-delivery of ketorolac and lidocaine using polymeric wafers for dental application. AB - The current study aimed to investigate the effectiveness of a developed sodium alginate and polyvinylpyrrolidone K-25 (PVP K-25) polymeric wafer for the co delivery of ketorolac and lidocaine to soft tissues for healing and pain control following gingivectomy. Nine ketorolac/lidocaine lyophilized wafers were formulated and assessed for their hydration capacity, mucoadhesion ability and in vitro release profile to select the optimum system for further clinical investigation. Wafer F6 containing 2:1 sodium alginate to PVP K-25 and 10% glycerol showed optimum properties and was selected for the clinical study. Twenty patients were included in the study and the ketorolac/lidocaine wafer was assessed versus a market product. Visual pain analog was evaluated daily for the first week and wound healing index was evaluated for one week, two weeks and one month following the procedure. The developed ketorolac/lidocaine polymeric wafer proved to be an effective method of reducing pain and discomfort together with enhancing wound healing following gingivectomy. PMID- 29226727 TI - High expression of interleukine-1 receptor antagonist in rheumatoid arthritis: Association with IL1RN*2/2 genotype. AB - Rheumatoid arthritis (RA) is an autoimmune disease characterized by inflammation and pro-inflammatory cytokines production. IL-1Ra is an anti-inflammatory cytokine codified by IL1RN gene that blocks IL-1 signalling. A VNTR polymorphism of 86 bp in IL1RN gene has been associated with RA risk and regulation of IL-1Ra expression. In this study, we determined mRNA and protein expression of IL-1Ra in RA patients and control subjects (CS). This study included 85 RA patients classified according to the ACR/EULAR 2010 criteria and 67 CS. Polymerase chain reaction was used to identify IL1RN VNTR polymorphism, the expression of sIL-1Ra (secreted isoform) mRNA was determined by SYBR Green-based real time quantitave PCR assay, and IL-1Ra soluble levels quantification was evaluated by ELISA test. RA patients had higher soluble levels of IL-1Ra than CS (p < .01), sIL-1Ra mRNA expression was higher in RA patients compared to CS (p < .01). Carriers of IL1RN*2/2 homozygous genotype show increased IL-1Ra soluble levels compared to IL1RN*long/long and IL1RN*2/long genotypes (p < .05) in the CS group, whereas mRNA expression in carriers of IL1RN*2/2 genotype was 1.2 times higher compared to IL1RN*long/long genotypes in the same group. Regarding RA patients, high expression of sIL-1Ra mRNA on carriers of IL1RN*long/long genotype was observed. Nevertheless, in RA patients IL-1Ra soluble levels among genotypes did not show significant differences. High expression of IL-1Ra in RA patients under treatment or not with antirheumatic drugs was detected. Additionally, carriers of IL1RN*2/2 genotype had higher IL-1Ra expression than carriers of other genotypes. PMID- 29226728 TI - The efficacy and safety of riluzole for neurodegenerative movement disorders: a systematic review with meta-analysis. AB - Neurodegenerative movement disorders mainly include Parkinson's disease, atypical parkinsonisms, Huntington disease, and hereditary ataxia. Riluzole is the only drug approved by the US Food and Drug Administration for amyotrophic lateral sclerosis. The neuroprotective effects of riluzole have been observed in experimental models of neurodegenerative movement disorders. In this paper, we aimed to systematically analyze the efficacy and safety of riluzole for patients with neurodegenerative movement disorder. We searched the electronic databases such as PubMed, EMBASE, CINAHL, Cochrane Library and China National Knowledge Infrastructure until June 2017 for the eligible randomized controlled trials, as well as the unpublished and ongoing trials. For continuous data, we calculated standardized mean differences with 95% confidence intervals if studies did not use the same scales to measure outcomes. For dichotomous data, we calculated risk differences if a trial reported no adverse events or dropouts. We pooled the results using a random-effects model. We included nine studies with 1320 patients with neurodegenerative movement disorders, which compared riluzole with placebo. No significant difference was found in the number of participants with adverse events but with motor improvement in hereditary ataxia. There were only two studies focusing on neuroprotective effect. Riluzole is well-tolerated in the patients with neurodegenerative movement disorders. Riluzole seems to be promising for patients with hereditary ataxia in symptomatic effect, which needs to be further confirmed by well-designed studies in the future. Moreover, it makes sense to design long-term study focusing on neuroprotective effect of riluzole in disease-modifying. PMID- 29226730 TI - Correction to: Silver nanoparticle exposure in pregnant rats increases gene expression of tyrosine hydroxylase and monoamine oxidase in offspring brain. PMID- 29226729 TI - Formulation of sitagliptin-loaded oral polymeric nano scaffold: process parameters evaluation and enhanced anti-diabetic performance. AB - PURPOSE: The aim of the study to formulate and statistically optimize sitagliptin loaded eudragit nanoparticles (SIT-NPs) and evaluate the in-vitro pharmaceutical quality and in-vivo anti-diabetic assessment. METHOD: SIT-NPs were prepared by using combination method of solvent evaporation and nano-precipitation techniques. The influence of different independent variables as eudragit RL100 concentration (%), tween 80 concentration (%) and sonication time (min) were evaluated on dependent variables like particle size (nm), drug loading (%) and in vitro drug release (%). Further, the optimized formulation was evaluated for surface morphology, CLSM, ex-vivo permeation study and in-vivo anti-diabetic activity and stability study. RESULTS: The developed SIT-NPs formulations showed particle size range (135.86-193.45 nm), drug loading (6.36-8.76%) and prolonged drug release over 24 h. The prepared SIT-NPs were found to be nearly spherical with smooth surface. The comparative in-vitro release study and CLSM study results revealed that SIT-NPopt showed significantly (p < .05) enhanced release and permeation as compared to SIT free solution (SIT-Fs). The in-vivo anti diabetic assessment revealed that SIT-NPopt able to reduce the blood sugar level (BSL) for a prolonged period of time. Further, the stability study data showed the formulations were found stable at both temperature and having the shelf life of 488 d. CONCLUSIONS: This research has shown that SIT-NPs based on experimental design offers a new and better approach to delivering SIT, thus encouraging further development of this formulation. PMID- 29226731 TI - Pharmacogenetics of platinum-based chemotherapy in non-small cell lung cancer: predictive validity of polymorphisms of ERCC1. AB - INTRODUCTION: The efficacy of platinum-based chemotherapy for patients with non small cell lung cancer (NSCLC) is limited by chemoresistance. Platinum drugs damage DNA by introducing intrastrand and interstrand crosslinks which result in cell death. Excision repair cross-complementing 1 (ERCC1) is a member of the nucleotide excision repair (NER) pathway which erases such defects. Single nucleotide polymorphisms (SNPs) in ERCC1 impair this activity and have been suggested to predict the response to chemotherapy. Area covered: Among the polymorphisms of proteins involved in uptake, metabolism, cytotoxicity and efflux of platinum drugs, codon 118 C/T and C8092A in ERCC1 are the best characterized SNPs studied for their predictive power. Here, the divergent results for studies of these markers in NSCLC are summarized and the reasons for this contradictory data discussed. Expert opinion: Cytotoxicity of platinum compounds comprise complex cellular processes for which DNA repair may not constitute the rate limiting step. These drugs are administered as doublets to histologically diverse patients and, furthermore, the NER pathway in ERCC1 wildtype cohorts may be still impaired by the chemotherapeutics applied. At present, assessment of a limited number of polymorphism in DNA repair proteins is not reliably associated with response to treatment in NSCLC patients. PMID- 29226732 TI - Pharmacokinetics and pharmacogenetics of anti-tubercular drugs: a tool for treatment optimization? AB - INTRODUCTION: WHO global strategy is to end tuberculosis epidemic by 2035. Pharmacokinetic and pharmacogenetic studies are increasingly performed and might confirm their potential role in optimizing treatment outcome in specific settings and populations. Insufficient drug exposure seems to be a relevant factor in tuberculosis outcome and for the risk of phenotypic resistance. Areas covered: This review discusses available pharmacokinetic and pharmacogenetic data of first and second-line antitubercular agents in relation to efficacy and toxicity. Pharmacodynamic implications of optimized drugs and new options regimens are reviewed. Moreover a specific session describes innovative investigations on drug penetration. Expert opinion: The optimal use of available antitubercular drugs is paramount for tuberculosis control and eradication. Whilst trials are still on going, higher rifampicin doses should be reserved to treatment for tubercular meningitis. Therapeutic Drug Monitoring with limiting sampling strategies is advised in patients at risk of failure or with slow treatment response. Further studies are needed in order to provide definitive recommendations of pharmacogenetic-based individualization: however lower isoniazid doses in NAT2 slow acetylators and higher rifampicin doses in individuals with SLCO1B1 loss of function genes are promising strategies. Finally in order to inform tailored strategies we need more data on tissue drug penetration and pharmacological modelling. PMID- 29226733 TI - Enteric-coated insulin microparticles delivered by lipopeptides of iturin and surfactin. AB - Surfactin, a lipopeptide produced by Bacillus species, has been used for the oral delivery of insulin. In this study, another lipopeptide of iturin was tested for its ability to orally delivery insulin alone or plus surfactin. Iturin could form co-precipitate with insulin at acidic pH values. After treatment by ultrasonification, the structure of coprecipitate was destroyed that led to a significant decrease in hypoglycemic effect after oral administration. Iturin weakly binds to (Kd = 257 MUM) and induce insulin structure more compact that is favorable for insulin uptake by the intestine. After being coated with Acryl-Eze by lyophilization, the coprecipitate formed the spherical enteric-coated insulin microparticles delivered by iturin with a relative oral bioavailability of 6.84% in diabetic mice. For further improving oral hypoglycemic effect, surfactin was added to form the spherical enteric-coated insulin microparticles in a formulation containing insulin, Acryl-Eze, iturin and surfactin at a ratio of 1:1:0.5: 0.5 (w/w), with an insulin encapsulation efficiency of 66.22%. The enteric-coated insulin microparticles delivered by iturin plus surfactin showed a classical profile for controlled release in the intestine with a relative bioavailability of 7.67% after oral administration, which could effectively control the postprandial blood glucose at a level about 50% of the initial one just like the subcutaneous injection. Collectively, iturin plus surfactin is more efficient for oral delivering insulin than the sole one, and the resultant enteric-coated insulin microparticles are potential for the development of oral insulin to control postprandial blood glucose in diabetic patients. PMID- 29226734 TI - Emerging first line treatment options for bladder cancer: a review of phase II and III therapies in the pipeline. AB - INTRODUCTION: The treatment of urothelial carcinoma (UC) had remained unchanged for several years until the recent FDA approval of immune checkpoint inhibitors (CPIs) in the salvage setting. Novel dual CPI-CPI and CPI-chemotherapy combinations are now being investigated aggressively as first line therapy for metastatic disease. Areas covered: We discuss the recent insights into the tumor biology of UC, which may impact the prognosis as well as assist in developing precision medicine. This is followed by an overview of existing treatment including conventional chemotherapy as well as the trials that led to the recent approval of PD-1 and PD-L1 inhibitors. Ongoing phase II and phase III trials developing PD-1/PD-L1 inhibitors, CTLA-4 inhibitors and VEGF inhibitors as first line therapy are discussed. Expert opinion: The treatment paradigm for the first line therapy of UC is expected to shift from conventional platinum-based combination chemotherapy towards novel therapy incorporating CPI immunotherapy. Finding the right combination of drugs in the appropriate disease setting and identifying the right patient population based on biomarkers are important questions to be answered. Another major challenge will be the financial burden associated with these new drugs. PMID- 29226735 TI - Social media for health promotion: What messages are women receiving about cardiovascular disease risk by the Canadian Heart and Stroke Foundation? AB - The aim of this study was to explore the meanings of women's cardiovascular disease constructed within the Canadian Heart and Stroke Foundation Facebook page. Posts from Heart and Stroke Foundation and public user comments surrounding the launch of the Heart and Stroke Foundation re-branding were of interest. Ethnographic content analysis was employed to analyse text ( n = 40), images ( n = 32), videos ( n = 6), user comments and replies ( n = 42) from November 2016 to March 2017. Constructions (re)presented on Facebook of 'typical' women at risk and risk reduction were problematic as women most at risk were excluded through the use of consumerist, medicalized identities which also excluded promotion of healthy behaviour changes. PMID- 29226736 TI - The effect of major adverse renal cardiovascular event (MARCE) incidence, procedure volume, and unit cost on the hospital savings resulting from contrast media use in inpatient angioplasty. AB - OBJECTIVE: To determine the net economic impact of switching from low-osmolar contrast media (LOCM) to iso-osmolar contrast media (IOCM; iodixanol) in patients undergoing inpatient coronary or peripheral angioplasty in the United States (US). METHODS: A budget impact model (BIM) was developed from a hospital perspective. Nationally representative procedural and contrast media prevalence rates, along with MARCE (major adverse renal cardiovascular event) incidence and episode-related cost data were derived from Premier Hospital Data (October 2014 to September 2015). A previously estimated relative risk reduction in MARCE associated with IOCM usage (9.3%) was applied. The higher cost of IOCM was included when calculating the net impact estimates at the aggregate, hospital type, and per hospital levels. One-way (+/-25%) and probabilistic sensitivity analyses identified the model's most important inputs. RESULTS: Based on weighted analysis, 513,882 US inpatient angioplasties and 35,610 MARCE cases were estimated annually. Switching to an "IOCM only" strategy from a "LOCM only" strategy increases contrast media cost, but prevents 2,900 MARCE events. The annual budget impact was an estimated saving of $30.71 million, aggregated across all US hospitals, $6,316 per hospital, or $60 per procedure. Net savings were maintained across all univariate sensitivity analyses. While MARCE/event-free cost differential was the most important factor driving total net savings for hospitals in the Northeast and West, procedural volume was important in the Midwest and rural locations. CONCLUSIONS: Switching to an "IOCM only" strategy from a "LOCM only" approach yields substantial net global savings to hospitals, both at the national level and within hospital sub-groups. Hospital administrators should maintain awareness of the factors that are likely to be more influential for their hospital and recognize that purchasing on the basis of lower contrast media cost may result in higher overall costs for patients undergoing inpatient angioplasty. PMID- 29226738 TI - Erratum. PMID- 29226737 TI - Pseudoxanthoma Elasticum-Like in beta-Thalassemia Major, a matter of alpha-Klotho and Parathyroid Hormone? AB - Pseudoxanthoma elasticum-like (PXL) condition is one of the complications faced by patients with beta-thalassemia major (beta-TM). Histopathological features include abnormal, mineralized and fragmented elastic fibers in skin, eyes and arterial blood vessels (elastorrhexia). The pathogenesis of PXL lesions in beta TM is not yet completely understood. This study was aimed at analyzing a possible implication of alpha-Klotho in the clinical manifestation of PXL in patients with beta-TM (30 with and 78 without PXL). A significant correlation was observed between Klotho, parathyroid hormone (PTH) and serum calcium (Ca). Our analysis seems to indicate alpha-Klotho and PTH as factors that can affect the development of PXL. PMID- 29226739 TI - Rutin-phospholipid complex in polymer matrix for long-term delivery of rutin via skin for the treatment of inflammatory diseases. AB - The drug with poor oral bioavailability necessitates the development of novel carrier for efficient drug delivery. This paper reports the rutin-phospholipid complex in polymer matrix for sustained delivery of rutin via the skin for the treatment of acute and chronic inflammatory diseases. Rutin in phospholipid complex (RNPs) are better soluble and permeable than the free rutin. The RNPs loaded polymeric matrix patch with moderate adhesiveness was developed for convenient means of long term drug application on the skin. The patch was analysed for physicochemical properties, ex vivo skin permeability and in vivo efficacy in rat paw oedema model. The skin targeting efficacy was analysed by CLSM study. Optimized formulation (F2) showed 31 +/- 2.32% and 26.56 +/- 5.52% skin permeation at 24 h across excised rat skin and human cadaver skin, respectively. The sustained anti-inflammatory effect of the patch formulation in rat paw oedema model confirmed its unique in vivo efficacy over the conventional diclofenac gel. The CLSM study confirmed the localization of RNPs in the dermis for sustained anti-inflammatory effect. Our results suggest that the developed patch has a potential for long term site specific delivery of rutin in arthritic patients. PMID- 29226740 TI - Do infants in the neonatal intensive care unit diagnosed with urinary tract infection need a routine voiding cystourethrogram? AB - OBJECTIVE: To determine if infants diagnosed with urinary tract infection (UTI) in the neonatal intensive care unit (NICU) require a routine voiding cystourethrogram (VCUG). STUDY DESIGN: Retrospective data analysis from three centers for infants admitted to the NICU born between 2000 and 2013 and diagnosed with UTI. RESULTS: One hundred twenty-six infants from three centers were diagnosed with UTI during their hospitalization. Renal ultrasound (RUS) was performed in 115 infants (91.2%), of which 69 (60%) were abnormal. Mild to moderate hydronephrosis or pelviectasis were the most common abnormalities identified (n = 34, 30%). There were 14 infants (12%) with severe abnormalities on RUS. VCUG was performed in 71 infants (56%), of which 3 (4%) were interpreted as abnormal with grade 2 vesicoureteral reflux (VUR) or less (two infants were with normal RUS and one infant was with abnormal RUS). CONCLUSIONS: More than 50% of infants with a UTI had an abnormal RUS but severe abnormalities were found only in 11% of infants. Only 4% of infants with UTI had VUR; none of these infants had severe VUR on VCUG. A routine VCUG after UTI in the NICU has a low yield and may be reserved for infants with severe or persistent abnormalities on RUS. PMID- 29226741 TI - Side effects associated with current and prospective antimigraine pharmacotherapies. AB - INTRODUCTION: Migraine is a neurovascular disorder. Current acute specific antimigraine pharmacotherapies target trigeminovascular 5-HT1B/1D, 5-HT1F and CGRP receptors but, unfortunately, they induce some cardiovascular and central side effects that lead to poor treatment adherence/compliance. Therefore, new antimigraine drugs are being explored. Areas covered: This review considers the adverse (or potential) side effects produced by current and prospective antimigraine drugs, including medication overuse headache (MOH) produced by ergots and triptans, the side effects observed in clinical trials for the new gepants and CGRP antibodies, and a section discussing the potential effects resulting from disruption of the cardiovascular CGRPergic neurotransmission. Expert opinion: The last decades have witnessed remarkable developments in antimigraine therapy, which includes acute (e.g. triptans) and prophylactic (e.g. beta-adrenoceptor blockers) antimigraine drugs. Indeed, the triptans represent a considerable advance, but their side effects (including nausea, dizziness and coronary vasoconstriction) preclude some patients from using triptans. This has led to the development of the ditans (5-HT1F receptor agonists), the gepants (CGRP receptor antagonists) and the monoclonal antibodies against CGRP or its receptor. The latter drugs represent a new hope in the antimigraine armamentarium, but as CGRP plays a role in cardiovascular homeostasis, the potential for adverse cardiovascular side effects remains latent. PMID- 29226742 TI - Early results of a phase-II study of modified short-course radiotherapy combined with capecitabine and delayed surgery for T3M0 lower rectal cancer. PMID- 29226743 TI - Molecular docking and molecular dynamics simulations of fumarate hydratase and its mutant H235N complexed with pyromellitic acid and citrate. AB - Fumarase catalyzes the reversible, stereospecific hydration/dehydration of fumarate to L-malate during the Kreb's cycle. In the crystal structure of the tetrameric fumarase, it was found that some of the active site residues S145, T147, N188 G364 and H235 had water-mediated hydrogen bonding interactions with pyromellitic acid and citrate which help to the protonation state for the conversion of fumarate to malate. When His 235 is mutated with Asn (H235N), water mediated interactions were lost due to the shifting of active site water molecule by 0.7 A away. Molecular dynamics (MD) simulations were also carried out by NAMD and analyzed using Assisted Model Building with Energy Refinement (AMBER) program to better understand the conformational stability and other aspects during the binding of pyromellitic acid and citrate with native and mutant FH. The role of hydrogen bonds and hydrophobic interactions was also analyzed. The present study confirms that the H235N mutation has a major effect on the catalytic activity of fumarase which is evident from the biochemical studies. PMID- 29226744 TI - The role of adjuvant chemotherapy in locally advanced bladder cancer. AB - PURPOSE: The standard of care for locally advanced bladder cancer (LABC) is neoadjuvant chemotherapy followed by cystectomy. However, the role of adjuvant therapy is unclear. The purpose of this study was to evaluate the outcomes of adjuvant chemotherapy for patients with LABC following neoadjuvant chemotherapy and cystectomy, and to determine whether select patients may benefit from adjuvant chemotherapy. METHODS: The National Cancer Data Base (NCDB) was queried (2004-2013) for patients with newly diagnosed pT3-4N0-3M0 bladder cancer that received neoadjuvant chemotherapy and cystectomy. Patients were divided into two groups based on the adjuvant therapy they received: chemotherapy alone or observation. Statistics included multivariable logistic regression to determine factors predictive of receiving adjuvant chemotherapy, Kaplan-Meier analysis to evaluate overall survival (OS) and Cox proportional hazards modeling to determine variables associated with OS. RESULTS: Altogether, 2592 patients met inclusion criteria; 901 (34.8%) patients received adjuvant chemotherapy, while 1691 (65.2%) were observed. Patients treated with adjuvant chemotherapy were more likely to have positive margins were younger and more likely to receive treatment at a nonacademic facility. There was no difference in median OS between patients treated with or without adjuvant chemotherapy (22.6 vs. 21.1 months; p = .267). However, a longer median OS was observed with the use of adjuvant chemotherapy was observed among patients with N2-3 disease (17.5 vs. 14.4 months; p = .005) and positive surgical margins (16.7 vs. 12.2 months; p = .025). On multivariate analysis, advancing age, pT4 stage, positive N stage, positive margins and lower socioeconomic status were associated with worse OS. CONCLUSIONS: In the largest study to date evaluating efficacy of adjuvant chemotherapy, while no difference in OS was observed for adjuvant chemotherapy in all patients, a longer OS was observed among patients with N2-3 disease or with positive surgical margins. Prospective studies are recommended to further evaluate these findings. PMID- 29226746 TI - What Can IRBs Learn From CABs? A Qualitative Analysis of the Experiences of Recruitment and Training of Nonscientist Members on Research Review Boards. AB - Governments, funders, and institutional policies increasingly encourage and even mandate the involvement of nonscientists in the ethical review of research, most famously in institutional review boards (IRBs), but also on community advisory boards (CABs) and other committees that contribute to research governance. In spite of these requirements, few have examined how different factors such as recruitment strategies, training, and different qualifications shape the contributions of nonscientists to the research enterprise. This pilot study begins to fill in this lacuna by interviewing nonscientist members of IRBs and community members of CABs. Results suggest patterned differences in demographics, recruitment strategies, training, and perceived qualifications between community members on these two types of boards with potential implications for how we perceive the scope of contributions that nonscientists can provide to the ethical review of research and the strategic ways these contributions can be elicited. PMID- 29226745 TI - Management of Adolescent-Parent Dyads' Discordance for Willingness to Participate in a Reproductive Health Clinical Trial. AB - The objective of this study is to understand the resolution of discordance between adolescent-parent dyads about participation in research. Adolescent (14 17 years) and parent dyads were recruited from NYC pediatric clinics to assess attitudes toward research participation. A subset of dyads participated in videotaped discussions about participation in a hypothetical study. Videos from dyads that held strongly discordant opinions about participation ( n = 30) were content-coded and analyzed using a thematic framework approach. Strategies used to resolve discordance included asserting authority, granting autonomy, or recognizing inaccurate assumptions using a variety of communication behaviors. Missed opportunities to enroll initially discordant dyads may be avoided by allowing time for adolescents and parents to elicit information, clarify a situation, or convince the other. PMID- 29226747 TI - Examining Data Repository Guidelines for Qualitative Data Sharing. AB - Qualitative data provide rich information on research questions in diverse fields. Recent calls for increased transparency and openness in research emphasize data sharing. However, qualitative data sharing has yet to become the norm internationally and is particularly uncommon in the United States. Guidance for archiving and secondary use of qualitative data is required for progress in this regard. In this study, we review the benefits and concerns associated with qualitative data sharing and then describe the results of a content analysis of guidelines from international repositories that archive qualitative data. A minority of repositories provide qualitative data sharing guidelines. Of the guidelines available, there is substantial variation in whether specific topics are addressed. Some topics, such as removing direct identifiers, are consistently addressed, while others, such as providing an anonymization log, are not. We discuss the implications of our study for education, best practices, and future research. PMID- 29226749 TI - Is ginger really effective for the treatment of the first trimester nausea and vomiting? PMID- 29226748 TI - Epigenetic biomarkers: Current strategies and future challenges for their use in the clinical laboratory. AB - Epigenetic modifications and regulators represent potential molecular elements which control relevant physiological and pathological features, thereby contributing to the natural history of human disease. These epigenetic modulators can be employed as disease biomarkers, since they show several advantages and provide information about gene function, thus explaining differences among patient endophenotypes. In addition, epigenetic biomarkers can incorporate information regarding the effects of the environment and lifestyle on health and disease, and monitor the effect of applied therapies. Technologies used to analyze these epigenetic biomarkers are constantly improving, becoming much easier to use. Laboratory professionals can easily acquire experience and techniques are becoming more affordable. A high number of epigenetic biomarker candidates are being continuously proposed, making now the moment to adopt epigenetics in the clinical laboratory and convert epigenetic marks into reliable biomarkers. In this review, we describe some current promising epigenetic biomarkers and technologies being applied in clinical practice. Furthermore, we will discuss some laboratory strategies and kits to accelerate the adoption of epigenetic biomarkers into clinical routine. The likelihood is that over time, better markers will be identified and will likely be incorporated into future multi-target assays that might help to optimize its application in a clinical laboratory. This will improve cost-effectiveness, and consequently encourage the development of theragnosis and the application of precision medicine. PMID- 29226750 TI - The pronoun distance index. PMID- 29226752 TI - Influence of time of delivery on risk of adverse neonatal outcome in different size of delivery units: a retrospective cohort study in Finland. AB - PURPOSE: To evaluate the impact of time of birth on adverse neonatal outcome in singleton term hospital births. MATERIALS AND METHODS: Medical Birth Register Data in Finland from 2005 to 2009. Study population was all hospital births (n = 263,901), excluding multiple pregnancies, preterm births <37 weeks, major congenital anomalies or birth defects, and antepartum stillbirths. Main outcome measures were either 1-minute Apgar score 0-3, 5-minute Apgar score 0-6, or umbilical artery pH <7.00, and intrapartum and early neonatal mortality. We calculated risk ratios (ARRs) adjusted for maternal age and parity, and 95% confidence intervals (CIs) to indicate the probability of adverse neonatal outcome outside of office hours in normal vaginal delivery, in vaginal breech delivery, in instrumental vaginal delivery, and in elective and nonelective cesarean sections. We analyzed different size-categories of maternity hospitals and different on-call arrangements. RESULTS: Instrumental vaginal delivery had increased risk for mortality (ARR 3.31, 95%CI; 1.01-10.82) outside office hours. Regardless of hospital volume and on-call arrangement, the risk for low Apgar score or low umbilical artery pH was higher outside office hours (ARR 1.23, 95%CI; 1.15-1.30). Intrapartum and early neonatal mortality increased only in large, nonuniversity hospitals outside office hours (ARR 1.51, 95%CI; 1.07-2.14). CONCLUSIONS: Compared to office hours, babies born outside office hours are in higher risk for adverse outcome. Demonstration of more detailed circadian effects on adverse neonatal outcomes in different subgroups requires larger data. PMID- 29226751 TI - Nordic Cancer Registries - an overview of their procedures and data comparability. AB - BACKGROUND: The Nordic Cancer Registries are among the oldest population-based registries in the world, with more than 60 years of complete coverage of what is now a combined population of 26 million. However, despite being the source of a substantial number of studies, there is no published paper comparing the different registries. Therefore, we did a systematic review to identify similarities and dissimilarities of the Nordic Cancer Registries, which could possibly explain some of the differences in cancer incidence rates across these countries. METHODS: We describe and compare here the core characteristics of each of the Nordic Cancer Registries: (i) data sources; (ii) registered disease entities and deviations from IARC multiple cancer coding rules; (iii) variables and related coding systems. Major changes over time are described and discussed. RESULTS: All Nordic Cancer Registries represent a high quality standard in terms of completeness and accuracy of the registered data. CONCLUSIONS: Even though the information in the Nordic Cancer Registries in general can be considered more similar than any other collection of data from five different countries, there are numerous differences in registration routines, classification systems and inclusion of some tumors. These differences are important to be aware of when comparing time trends in the Nordic countries. PMID- 29226753 TI - Balint under the microscope: What really happens in Balint groups? PMID- 29226754 TI - Cardiac troponins: 25 years on the stage and still improving their clinical value. AB - Twenty-five years ago, non-isotopic immunoassays for measuring the cardiac specific isoforms of troponin I (cTnI) and T (cTnT) were developed. Both biomarkers radically changed the diagnosis, prognosis, and therapy indication of acute coronary syndromes (ACS) and, particularly, of myocardial infarction (MI). However, cardiac troponins (cTn) rapidly demonstrated their usefulness in other cardiac and non-cardiac conditions, a part of the ischemic coronary diseases. Consequently, the number of patients to be tested for cTn and the number of tests requested to clinical laboratories sharply increased. Though the manufacturers continuously improved the analytical characteristics of the first cTn assays and produced different cTn assay "generations", the universal definition of myocardial infarction required less-than-available analytical imprecision at the cTn concentration used to assess MI (i.e. the 99th reference percentile). To address the clinical requirements, manufacturers developed the high-sensitivity cTn (hs-cTn) assays that allow to measure the 99th reference percentile with adequate precision, to detect cTn in many healthy subjects and, hence, to calculate the hs-cTn biological variation and especially to observe in very short time intervals serial differences in hs-cTn attributable to cardiac ischemia. Since the number of patients attending the emergency departments (ED) for a suspected ACS or MI is increasing, the improved properties of hs-cTn assays, allowing faster and safer patient assessment, will help to alleviate the sometimes overcrowded EDs. However, there are many biological, analytical, and clinical factors that can influence the true hs-cTn values of a patient. Clinicians and laboratory professionals should know about them for the best interpretation of the otherwise largely useful hs-cTn measurements. In conclusion, 25 years after their introduction for clinical use, "cTn are still on the stage and improving their clinical value". PMID- 29226755 TI - Vaccination Rates in Patients With Medical Indications for the Pneumococcal Polysaccharide Vaccine in a Family Medicine Clinic. AB - BACKGROUND: Pneumococcal vaccination rates among high-risk patients (eg, diabetes, asthma, smoking) seen in 2 family medicine clinics are unknown. OBJECTIVES: To assess differences in pneumococcal polysaccharide vaccination rates and reasons for nonvaccination among patients with diabetes and asthma and patients who smoke. METHODS: A chart review at 2 family medicine residency training clinics showed 425 patients with a medical indication for PPSV23 were seen between April 1, 2015, and April 30, 2015. One reviewer searched the electronic health records to assess reasons for nonvaccination. RESULTS: Rates of nonvaccination were 29.8% in patients with diabetes, 58.7% in patients with asthma, and 62.5% in patients who smoke cigarettes. Patients were classified into 3 groups based on the reasons for nonvaccination: documented patient refusal, not being addressed by a provider, and being documented as low risk despite the presence of a medical indication. CONCLUSION: The 3 reasons for nonvaccination were vaccination not being addressed, misclassification of high-risk patients as low-risk patients for infection, and documented patient refusal. Providers overlooked vaccination more often in patients with asthma and cigarette use than in patients with diabetes. Patients seeing pharmacists were most likely to be vaccinated, whereas patients seeing physician assistants were least likely to be vaccinated. Pharmacists see patients to provide medication management and preventive care, whereas other providers treat more urgent conditions. Because indications are often overlooked and not addressed, pharmacists can play a larger role in identifying and vaccinating high-risk patients. PMID- 29226757 TI - Developmental Steps in Metaphorical Language Abilities: The Influence of Age, Gender, Cognitive Flexibility, Information Processing Speed, and Analogical Reasoning. AB - PURPOSE: Metaphor is a specific type of figurative language that is used in various important fields such as in the work with children in clinical or teaching contexts. The aim of the study was to investigate the developmental course, developmental steps, and possible cognitive predictors regarding metaphor processing in childhood and early adolescence. METHOD: One hundred sixty-four typically developing children (7-year-olds, 9-year-olds) and early adolescents (11-year-olds) were tested for metaphor identification, comprehension, comprehension quality, and preference by the Metaphoric Triads Task as well as for analogical reasoning, information processing speed, cognitive flexibility under time pressure, and cognitive flexibility without time pressure. RESULTS: Metaphor identification and comprehension consecutively increased with age. Eleven-year-olds showed significantly higher metaphor comprehension quality and preference scores than seven- and nine-year-olds, whilst these younger age groups did not differ. Age, cognitive flexibility under time pressure, information processing speed, analogical reasoning, and cognitive flexibility without time pressure significantly predicted metaphor comprehension. CONCLUSIONS: Metaphorical language ability shows an ongoing development and seemingly changes qualitatively at the beginning of early adolescence. These results can possibly be explained by a greater synaptic reorganization in early adolescents. Furthermore, cognitive flexibility under time pressure and information processing speed possibly facilitate the ability to adapt metaphor processing strategies in a flexible, quick, and appropriate way. PMID- 29226756 TI - Voluntary wheel running improves adipose tissue immunometabolism in ovariectomized low-fit rats. AB - Loss of ovarian hormones is associated with increased adiposity, white adipose tissue (WAT) inflammation, and insulin resistance (IR). Previous work demonstrated ovariectomized (OVX) rats bred for high aerobic fitness (HCR) are protected against weight gain and IR compared to rats bred for low aerobic fitness (LCR) yet wheel running prevents OVX-induced IR in LCR rats. The purpose of this study was to determine whether adipose tissue immunometabolic characteristics from female HCR and LCR rats differs before or after OVX, and whether wheel running mitigates OVX-induced adipose tissue immunometabolic changes in LCR rats. Female OVX HCR and LCR rats were all fed a high fat diet (HFD) (n = 7-8/group) and randomized to either a running wheel or remain sedentary for 11 weeks. Ovary-intact rats (n = 7-12/group) were fed a standard chow diet with no wheel. Ovary-intact LCR rats had a greater visceral WAT inflammatory profile compared to HCR. Following OVX, sedentary LCR rats had greater serum leptin (p<0.001) and WAT inflammation (p<0.05) than sedentary HCR. Wheel running normalized the elevated serum leptin and reduced both visceral (p<0.05) and subcutaneous (p<0.03) WAT inflammatory markers in the LCR rats. Paradoxically, wheel running increased some markers of WAT inflammation in OVX HCR rats (p<0.05), which correlated with observed weight gain. Taken together, HCR rats appear to have a healthier WAT immune and metabolic profile compared to LCR, even following OVX. Wheel running improves WAT health in previously sedentary LCR rats. On the other hand, increased WAT inflammation is associated with adiposity gain despite a high volume of wheel running in HCR rats. PMID- 29226758 TI - Evolution of non-communicable disease prevention and control in China. AB - The 70-year experience of China in fighting against non-communicable diseases (NCDs) can be classified into three distinct periods: 1) the disease-oriented strategy period (from 1950 to 1994); 2) the risk factor-focused strategy period (from 1995 to 2008); and 3) the social and policy priority strategy period (since 2009). A number of projects were successful and valuable experience and lessons were accumulated during the three periods. Due to the underestimation of the 'explosive' epidemic of NCDs, however, it took China quite a long time to find the right path to curb the upward trend in these diseases. In this commentary, the authors review the evolution of strategies and the healthcare service system, examine advances and challenges, and summarize experience and lessons in NCD control in China. In view of development, China's experience may have valuable implications for other low- and middle-income countries. PMID- 29226759 TI - Evaluation and interpretation of the bucket test in healthy individuals. AB - OBJECTIVE: To determine and interpret the range of normal deviation of the bucket test in healthy subjects Subjects and methods: Study design: Cross-sectional study in a secondary care center. INCLUSION CRITERIA: subjects >=18 years old with no otologic or neurologic symptoms and normal complete neuro-otological examination. The subjective visual vertical was evaluated binocularly using the bucket test. Five measurements were made on the clockwise direction and five on the counterclockwise direction. The examiner selected the starting point, the patient then manipulated the bucket and it stopped when the volunteer considered the line reached the vertical position. RESULTS: Fifty healthy volunteers were included, 16 (32%) were men, and 34 (68%) women with a mean age of 34 years. The mean value found clockwise was 1.93 degrees +/- 2.26 degrees and counterclockwise sense was of 0.86 degrees +/- 2.44 degrees . Mean normal values ranged from 1.4 degrees +/- 1.9 degrees . CONCLUSIONS: The bucket test is easy and quick to perform; we recommend to use a range of -1.0 degrees to +3.0 degrees as normal values in the healthy population. PMID- 29226761 TI - Neonatal cerebral lesions predict 2-year neurodevelopmental impairment in children treated with laser surgery for twin-twin transfusion syndrome: methodological issues. PMID- 29226762 TI - Assessing cognitive functioning in individuals with cocaine use disorder. AB - INTRODUCTION: There have been mixed findings assessing the impact of regular cocaine use on cognitive functioning. This study employed a comprehensive cognitive battery to compare the performance of individuals diagnosed with a cocaine use disorder (N = 3 abusers, N = 17 dependent) against the performance of two control groups: (a) non-drug-users, and (b) marijuana users who report no cocaine use (N = 7 marijuana abusers, N = 0 dependent, N = 13 marijuana users with no Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition, DSM IV, diagnosis). METHOD: This one-session, between-participants, outpatient study was conducted at the New York State Psychiatric Institute. Sixty research volunteers completed the study. Drug users in both groups had no signs of current intoxication, but had a positive urine toxicology-which indicated use within 72 hours in the cocaine use disorder group and within the past 30 days (depending on frequency of use) for the marijuana-using control group. The National Institutes of Health (NIH) Toolbox Cognition Battery was used to assess cognitive functioning across six domains: executive function, attention, episodic memory, working memory, processing speed, and language. Each participant's score was also compared against a normative database adjusted for age. RESULTS: Although the mean cognitive scores for all groups fell within the normal range for all tests, marijuana-using control participants outperformed those with a cocaine use disorder on a cognitive flexibility and language measure. CONCLUSIONS: Cognitive functioning of individuals diagnosed with cocaine use disorder was observed to be similar to that of control group participants on the majority of tasks and fell within the normal range when compared against normative data. PMID- 29226763 TI - MIPSS70: Mutation-Enhanced International Prognostic Score System for Transplantation-Age Patients With Primary Myelofibrosis. AB - Purpose To develop a prognostic system for transplantation-age patients with primary myelofibrosis (PMF) that integrates clinical, cytogenetic, and mutation data. Patients and Methods The study included 805 patients with PMF age <= 70 years recruited from multiple Italian centers and the Mayo Clinic (Rochester, MN), forming two independent learning and validation cohorts. A Cox multivariable model was used to select from among a list of 22 variables those that were predictive of overall survival (OS). Integrated clinical and genetic prognostic models with (MIPSS70-plus) or without (MIPSS70) cytogenetic information were developed. Results Multivariable analysis identified the following as significant risk factors for OS: hemoglobin < 100 g/L, leukocytes > 25 * 109/L, platelets < 100 * 109/L, circulating blasts >= 2%, bone marrow fibrosis grade >= 2, constitutional symptoms, absence of CALR type-1 mutation, presence of high molecular risk mutation (ie, ASXL1, EZH2, SRSF2, IDH1/ 2), and presence of two or more high-molecular risk mutations. By assigning hazard ratio (HR)-weighted points to these variables, three risk categories were delineated for the MIPSS70 model; 5-year OS was 95% in low-risk, 70% in intermediate-risk, and 29% in high risk categories, corresponding to median OS of 27.7 years (95% CI, 22 to 34 years), 7.1 years (95% CI, 6.2 to 8.1 years), and 2.3 years (95% CI, 1.9 to 2.7 years), respectively. In the MIPSS70-plus model, which included cytogenetic information, four risk categories were delineated, with 5-year OS of 91% in low risk, 66% in intermediate-risk (HR, 3.2; 95% CI, 1.9 to 5.2), 42% in high-risk (HR, 6.4; 95% CI, 4.1 to 10.0), and 7% very high-risk categories (HR, 17.0; 95% CI, 9.8 to 29.2). Both models remained effective after inclusion of older patients in the analysis. Conclusion MIPSS70 and MIPSS70-plus provide complementary systems of risk stratification for transplantation-age patients with PMF and integrate prognostically relevant clinical, cytogenetic, and mutation data. PMID- 29226760 TI - The diagnostic performance of the beta-glucan assay in the detection of intra amniotic infection with Candida species. AB - INTRODUCTION: A bioassay based on the detection of beta-glucan, a constituent of the cell wall of fungi, has been successfully used to diagnose fungal infections in a variety of biological fluids but not yet in the amniotic fluid. OBJECTIVE: To determine the diagnostic performance of a beta-glucan bioassay in the detection of Candida species in the amniotic fluid of women who either did or did not have an intrauterine contraceptive device (IUD) in place during an episode of spontaneous preterm parturition. METHODS: The study population comprised women who had a singleton pregnancy without congenital or chromosomal abnormalities, who experienced preterm labor or preterm prelabor rupture of the fetal membranes, and who underwent a transabdominal amniocentesis for clinical indications. Samples of amniotic fluid were cultured for aerobic and anaerobic bacteria, genital mycoplasmas, and Candida species, and assayed for beta-glucan, using the (1->3)-beta-d-glucan-specific Limulus amebocyte lysate test (beta-glucan assay) in all cases. Amniotic fluid interleukin (IL)-6 assay results were also available for all cases. The beta-glucan assay takes about 1 hour to run: a concentration >80 pg/mL was considered positive for fungi. Sterile intra-amniotic inflammation of the amniotic cavity was defined by the presence of an amniotic fluid IL-6 concentration >=2.6 ng/mL and a negative amniotic fluid culture. RESULTS: (1) One hundred ninety-seven (197) women met the study criteria, of whom 58 (29.4%) had an IUD in place; (2) 20 (10.2%) women had a culture of proven intra-amniotic Candida species-related infection, 19 of whom had a positive beta-glucan assay [sensitivity, 95% (19/20; 95% confidence interval (CI): 75.1-99.9%)]; and (3) the specificity of the beta-glucan assay was 75.1% [133/177; 95% CI: 68.1-99.9%]. It was affected by the presence of nonfungal intra-amniotic infections and an IUD, but not by the presence of sterile intra-amniotic inflammation, and there was a significant interaction between the presence of an IUD and nonfungal intra amniotic infections (estimated for the interaction effect = 2.1923, p value =.026). The assay's specificity was reduced when nonfungal intra-amniotic infections were diagnosed but only in women who did not have an IUD. Among women without an IUD, the assay's specificity was 91.4% (117/128); it was 93% (106/114) for those without intra-amniotic infection, and 78.6% (11/14) for those with a nonfungal intra-amniotic infection; the difference was not significant (p = .09). Among women with an IUD, the assay's specificity was 32.7% (16/49); 42.9% (9/21) for those with a nonfungal intra-amniotic infection; and 25% (7/28) for those without intra-amniotic infection; and the difference was significant (p = .03). CONCLUSIONS: The beta-glucan assay is a sensitive, rapid, point-of-care test used to diagnose intra-amniotic Candida species-related infection, and it has a high specificity in pregnant women who did not have an IUD in place. PMID- 29226765 TI - Never Declared Brain Dead Potential Organ Donors-An Additional Source of Donor Organs? AB - CONTEXT: Patients never declared brain dead may represent an additional source of donor organs. OBJECTIVE: To determine the number of likely brain dead potential donors who are never declared brain dead and to compare them with brain dead and donation after cardiac death potential organ donors. DESIGN, SETTING, AND PARTICIPANTS: This study was a retrospective chart review of all catastrophically brain-injured patients referred to a single-organ procurement organization (OPO) over a 4-year period. This study identified 159 likely brain dead potential organ donors, 902 brain dead potential organ donors, and 357 potential donation after circulatory death donors over a 4-year period. INTERVENTIONS: None. MAIN OUTCOME MEASURES: This study did not predetermine outcome measures before data collection because the study group, likely brain dead potential organ donors, had not previously been described. RESULTS: Likely brain dead potential donors were significantly older than brain dead potential donors ( P < .0001) but were otherwise not different demographically. They were more likely to be a late referral to the OPO ( P < .0001) and less likely to be in the donor registry ( P < .0001). The most commonly identified factors associated with a failure to declare brain death were an unwillingness to continue supportive care by the family, premention of donation, a nontimely imminent death referral, known prior objection to donation, terminal instability, and a lack of cooperation with the OPO. PMID- 29226766 TI - A Case Report of Living Donor Liver Transplantation for Fulminant Hepatitis Related to Hepatitis E Virus Infection. AB - Hepatitis E virus (HEV) infection which may become fulminant, especially in elderly people is more common than previously recognized in develop countries. Here we report successful living-donor liver transplantation (LDLT) in a case of acute liver failure due to HEV. A 63-year-old Japanese man with no previous history of liver disease was admitted for severe acute hepatitis. Detection of anti-HEV immunoglobulin A established a diagnosis of this virus-related liver failure. The patient suffered from hepatic encephalopathy 10 days after symptom onset and underwent LDLT. The patient had an uneventful course. The HEV RNA showed spontaneous negative conversion 10 weeks after LDLT. LDLT led to a successful outcome in a patient with acute liver failure due to HEV infection and regular testing for HEV RNA should be performed until HEV RNA is undetectable. PMID- 29226764 TI - Chimeric Antigen Receptor T Cells in Refractory B-Cell Lymphomas. AB - BACKGROUND: Patients with diffuse large B-cell lymphoma or follicular lymphoma that is refractory to or that relapses after immunochemotherapy and transplantation have a poor prognosis. High response rates have been reported with the use of T cells modified by chimeric antigen receptor (CAR) that target CD19 in B-cell cancers, although data regarding B-cell lymphomas are limited. METHODS: We used autologous T cells that express a CD19-directed CAR (CTL019) to treat patients with diffuse large B-cell lymphoma or follicular lymphoma that had relapsed or was refractory to previous treatments. Patients were monitored for response to treatment, toxic effects, the expansion and persistence of CTL019 cells in vivo, and immune recovery. RESULTS: A total of 28 adult patients with lymphoma received CTL019 cells, and 18 of 28 had a response (64%; 95% confidence interval [CI], 44 to 81). Complete remission occurred in 6 of 14 patients with diffuse large B-cell lymphoma (43%; 95% CI, 18 to 71) and 10 of 14 patients with follicular lymphoma (71%; 95% CI, 42 to 92). CTL019 cells proliferated in vivo and were detectable in the blood and bone marrow of patients who had a response and patients who did not have a response. Sustained remissions were achieved, and at a median follow-up of 28.6 months, 86% of patients with diffuse large B-cell lymphoma who had a response (95% CI, 33 to 98) and 89% of patients with follicular lymphoma who had a response (95% CI, 43 to 98) had maintained the response. Severe cytokine-release syndrome occurred in 5 patients (18%). Serious encephalopathy occurred in 3 patients (11%); 2 cases were self-limiting and 1 case was fatal. All patients in complete remission by 6 months remained in remission at 7.7 to 37.9 months (median, 29.3 months) after induction, with a sustained reappearance of B cells in 8 of 16 patients and with improvement in levels of IgG in 4 of 10 patients and of IgM in 6 of 10 patients at 6 months or later and in levels of IgA in 3 of 10 patients at 18 months or later. CONCLUSIONS: CTL019 cells can be effective in the treatment of relapsed or refractory diffuse large B-cell lymphoma and follicular lymphoma. High rates of durable remission were observed, with recovery of B cells and immunoglobulins in some patients. Transient encephalopathy developed in approximately one in three patients and severe cytokine-release syndrome developed in one in five patients. (Funded by Novartis and others; ClinicalTrials.gov number, NCT02030834 .). PMID- 29226767 TI - A systems approach to extraordinarily major coal mine accidents in China from 1997 to 2011: an application of the HFACS approach. AB - This study aimed to provide a greater understanding of the systemic factors involved in coal mine accidents and to examine the relationships between the contributing factors across all levels of the system. Ninety-four extraordinarily major coal mine accidents that occurred in China from 1997 to 2011 were analyzed using the human factors analysis and classification system (HFACS). The empirical results showed that the frequencies of unsafe behaviors, inadequate regulation and failure to correct hidden dangers were the highest among five levels, 14 categories and 48 indicators, respectively. The odds ratio technique was applied to quantitatively examine the relationships between contributing factors. Various statistically significant associations were discovered and should receive greater attention in future attempts to develop accident measures. In addition, several strategies concerning the main contributing factors and routes to failure are proposed to prevent accidents from reoccurring in an organization. PMID- 29226768 TI - Algal treatment of wastewater generated during oil and gas production using hydraulic fracturing technology. AB - Hydraulic fracturing technology is widely used for recovering natural gas and oil from tight oil and gas reserves. Large volumes of wastewater, flowback water, are produced during the fracturing process. This study examines algal treatment of flowback water. Thirteen microalgae strains consisting of cyanobacteria and green algae were examined. Wastewater quality before and after algae treatment, as well as volatile matter, fixed carbon and ash contents of the biomass grown in flowback water were examined. The experimental results demonstrated that microalgae can grow in flowback water. The chemical composition of the algal biomass produced in flowback water was strain specific. Over 65% total dissolved solids, 100% nitrate and over 95% boron reduction in flowback water could be achieved. Hence, algal treatment of flowback water can significantly reduce the adverse environmental impact of hydraulic fracturing technology and produce biomass that can be converted to bioproducts. PMID- 29226769 TI - Working memory capacity and the spacing effect in cued recall. AB - Spacing repetitions typically improves memory (the spacing effect). In three cued recall experiments, we explored the relationship between working memory capacity and the spacing effect. People with higher working memory capacity are more accurate on memory tasks that require retrieval relative to people with lower working memory capacity. The experiments used different retention intervals and lags between repetitions, but were otherwise similar. Working memory capacity and spacing of repetitions both improved memory in most of conditions, but they did not interact, suggesting additive effects. The results are consistent with the ACT-R model's predictions, and with a study-phase recognition process underpinning the spacing effect in cued recall. PMID- 29226770 TI - An unexpected image on a chest radiograph. AB - Introduction Central venous catheterisation is an essential component of patient care in hospital. A forgotten complete guide-wire is a rare complication, although the reported incidence has increased rapidly over the last decade. Case report We report a 72-year-old man with a complete guide-wire inadvertently overlooked during catheter insertion. A central venous catheter had been inserted for total parental nutrition during treatment for pancreatitis. Five years later, the patient was readmitted with a painful lesion on his neck and the sensation of a sharp object under his skin. He was discharged without complication following removal of the free part of the guide-wire that had not become attached to the endothelial layer. Conclusion Inattention, inexperience and lack of supervision by a more experienced clinician are considered the most important contributing factors to this complication. Ultrasonography assistance during the procedure, senior supervision, a set count and a chest X-ray after the procedure are recommended in order to prevent forgotten guide-wires. PMID- 29226771 TI - Men's Mental Health Help-Seeking Behaviors: An Intersectional Analysis. AB - Men seek mental health treatment less often than women. The present study sought to elucidate identities and individual difference characteristics that are associated with enhanced or decreased mental health help-seeking in a large national sample of U.S. men. Using data from 4,825 U.S. men aged 20 to 59 years, main effects of race/ethnicity, sexual orientation, age, income-poverty ratio, relationship status, depression symptoms, and body mass index were explored within the sample of men as well as intersections of these predictors with racial/ethnic group identity. While the results of main effects testing generally supported prior research (i.e., greater mental health care help-seeking among White men, nonheterosexual men, men not in relationships, older men, and more depressed men), when examined associations across racial/ethnic groups, the direction and strength of these associations showed notable variation-variation unaccounted for in prior research. These findings highlight the need for future theory building and research that accounts for this variation at the intersection of race/ethnicity and these specific predictors of help-seeking behavior among men. PMID- 29226773 TI - Exercise Effects for Children With Autism Spectrum Disorder: Metabolic Health, Autistic Traits, and Quality of Life. AB - This study examined the effects of a 48-week exercise-based intervention on the metabolic profile, autism traits, and perceived quality of life in children with autism spectrum disorder (ASD). We randomly allocated 64 children with ASD (aged 6-12 years) to experimental ( n = 46) and control groups ( n = 18) and used multilevel regression modeling to examine responses to receiving or not receiving the intervention. The experimental group showed beneficial effects on metabolic indicators (high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and total cholesterol), autism traits, and parent-perceived quality of life. Our results provide support for exercise and physical activity, including basic coordination and strength exercises, as important therapeutic interventions for children with ASD. PMID- 29226774 TI - Introduction to the Special Issue on Rare and Unusual Syndromes. PMID- 29226775 TI - Corrigendum: The Wisdom in Virtue: Pursuit of Virtue Predicts Wise Reasoning About Personal Conflicts. AB - Original Article: Huynh, A. C., Oakes, H., Shay, G. R., & McGregor, I. (2017). The wisdom in virtue: Pursuit of virtue predicts wise reasoning about personal conflicts. Psychological Science, 28, 1848-1856. doi:10.1177/0956797617722621 In this article, results for the Pursuit of Virtue * Conflict Type interaction in Study 2 were incorrectly reported. The final paragraph on page 1854 stated, "As in Study 1, we found a significant Pursuit of Virtue * Conflict Type interaction, F(1, 353) = 4.61, p = .032, eta p2 = .01, 95% CI = [.0001, .05]." These results were taken from an analysis of standardized ( z-scored) dependent variables, but because Study 2 involved a repeated measures design, standardization did not allow the model to account for overall changes in reasoning between the two measures. Because our reported procedure did not involve standardizing the measures, this sentence is now being corrected to read as follows: The pattern of means was similar to that obtained in Study 1, although in this study, the Pursuit of Virtue * Conflict Type interaction was not statistically significant, F(1, 353) = 3.37, p = .067, eta p2 = .01, 95% CI = [.00, .04]. Because this interaction is relevant to the primary findings, the authors acknowledge that Study 2 provides converging, but not statistically significant, support for the findings in Study 1. As a result of the same error, the reported p value for the moderation test of Hedonic motivation in the following paragraph (p. 1855) was also incorrect. The sentence reporting these results is being corrected to read: "Hedonic motivation did not moderate the effect of conflict type, F(1, 353) < 1, p = .323 (see the Supplemental Material for additional details)." The error in the presentation of these results did not affect the subsequent reported results for the simple effects in Study 2 or the analysis of the subcomponents of wise reasoning. The reported results for Study 1 were not affected by this error. PMID- 29226776 TI - A Journal-Level Analysis of Progress in Transplantation. AB - CONTEXT: Citations to articles published in academic journals represent a proxy for influence in bibliometrics. OBJECTIVE: To measure the journal impact factor for Progress in Transplantation over time and to also identify related journals indexed in transplantation and surgery. DESIGN: Data from Journal Citation Reports (ISI web of science) were used to rank Progress in Transplantation compared to peer journals using journal impact and journal relatedness measures. Social network analysis was used to measure relationships between pairs of journals in Progress in Transplantation's relatedness network. MAIN OUTCOME MEASURES: Journal impact factor and journal relatedness. RESULTS: Data from 2010 through 2015 indicate the average journal article in PIT was cited 0.87 times (standard deviation [SD] = 0.12) and this estimate was stable over time. Progress in Transplantation most often cited American Journal of Transplantation, Transplantation, American Journal of Kidney Diseases, and Liver Transplantation. In terms of cited data, the journal was most often referenced by Clinical Transplantation, Transplant International, and Current Opinion in Organ Transplantation. CONCLUSION: The journal is listed both in surgery and transplantation categories of Journal Citation Reports and its impact factors over time fare better with surgery journals than with transplant journals. Network data using betweenness centrality indicate Progress in Transplantation links transplantation-focused journals and journals indexed in health sciences categories. PMID- 29226777 TI - Collaborative-controlled LASSO for constructing propensity score-based estimators in high-dimensional data. AB - Propensity score-based estimators are increasingly used for causal inference in observational studies. However, model selection for propensity score estimation in high-dimensional data has received little attention. In these settings, propensity score models have traditionally been selected based on the goodness-of fit for the treatment mechanism itself, without consideration of the causal parameter of interest. Collaborative minimum loss-based estimation is a novel methodology for causal inference that takes into account information on the causal parameter of interest when selecting a propensity score model. This "collaborative learning" considers variable associations with both treatment and outcome when selecting a propensity score model in order to minimize a bias variance tradeoff in the estimated treatment effect. In this study, we introduce a novel approach for collaborative model selection when using the LASSO estimator for propensity score estimation in high-dimensional covariate settings. To demonstrate the importance of selecting the propensity score model collaboratively, we designed quasi-experiments based on a real electronic healthcare database, where only the potential outcomes were manually generated, and the treatment and baseline covariates remained unchanged. Results showed that the collaborative minimum loss-based estimation algorithm outperformed other competing estimators for both point estimation and confidence interval coverage. In addition, the propensity score model selected by collaborative minimum loss based estimation could be applied to other propensity score-based estimators, which also resulted in substantive improvement for both point estimation and confidence interval coverage. We illustrate the discussed concepts through an empirical example comparing the effects of non-selective nonsteroidal anti inflammatory drugs with selective COX-2 inhibitors on gastrointestinal complications in a population of Medicare beneficiaries. PMID- 29226778 TI - A multicenter randomized controlled trial of two group education programs for fatigue in multiple sclerosis: Short- and medium-term benefits. AB - Background Fatigue occurs in 75%-95% of people with multiple sclerosis (MS) and is frequently reported as the most disabling symptom. A multicomponent group program of six weekly 2-hour sessions, Fatigue: Take Control (FTC), was developed from an international MS fatigue management guideline. Objective To determine whether FTC is associated with greater improvements in fatigue than MS: Take Control (MSTC), a similarly structured general MS education program. Methods This four-site, parallel, single-blind, randomized controlled trial compared FTC and MSTC in 204 ambulatory participants with MS. The primary outcome, the Modified Fatigue Impact Scale (MFIS), and secondary outcomes of self-efficacy, physical activity, sleep, and medications were assessed at baseline, program completion, and 3 and 6 months later. Results Mean MFIS scores improved in both groups between baseline and program completion (FTC -4.4, p < 0.001; MSTC -3.8, p < 0.001), between baseline and 3 months after program completion (FTC -3.2, p = 0.01; MSTC -3.3, p = 0.01), and between baseline and 6 months after program completion (FTC -5.2, p < 0.001; MSTC -4.8, p < 0.001). These improvements were not statistically different between groups ( p = 0.64, 0.92, and 0.82, respectively). Conclusion Participation in FTC modestly improved self-reported fatigue for up to 6 months. This improvement did not differ significantly from that occurring with the control program. PMID- 29226779 TI - Increased cerebrospinal fluid albumin and immunoglobulin A fractions forecast cortical atrophy and longitudinal functional deterioration in relapsing-remitting multiple sclerosis. AB - BACKGROUND: Currently, no unequivocal predictors of disease evolution exist in patients with multiple sclerosis (MS). Cortical atrophy measurements are, however, closely associated with cumulative disability. OBJECTIVE: Here, we aim to forecast longitudinal magnetic resonance imaging (MRI)-driven cortical atrophy and clinical disability from cerebrospinal fluid (CSF) markers. METHODS: We analyzed CSF fractions of albumin and immunoglobulins (Ig) A, G, and M and their CSF to serum quotients. RESULTS: Widespread atrophy was highly associated with increased baseline CSF concentrations and quotients of albumin and IgA. Patients with increased CSFIgA and CSFIgM showed higher functional disability at follow up. CONCLUSION: CSF markers of blood-brain barrier integrity and specific immune response forecast emerging gray matter pathology and disease progression in MS. PMID- 29226780 TI - Individuals' perception about upper limb influence on participation after stroke: an observational study. AB - Background Stroke can compromise upper limb performance and influence the individual's participation in real life situations. Objective To investigate how components of body function and activity affect the individuals' self-perception of their participation after stroke. Methods In this observational study, the International Classification of Functioning, Disability and Health was used as model. Body function was assessed by palmar grip and pinch strength; Ashworth modified scale; Fugl-Meyer scale; and Motor-Free Visual Perception Test. The Purdue Pegboard Test and the aiming movement performance measured the activity. Upper limb participation was analyzed by the Hand Function domain of the Stroke Impact Scale (SIS). Thirty-four individuals after chronic stroke were divided into two groups, according to their Hand function SIS scores (severe and non severe). Differences between groups were analyzed. Relationships between individual variables and the SIS score were verified. A regression model was proposed. Results Strength and the Fugl-Meyer scale score were greater for the non-severe group. Muscle tone was greater for the severe group only in the wrist flexors. None of the activity variables differed between groups. The upper limb Fugl-Meyer score was able to predict 79% of the individuals in SIS Hand Function groups. Conclusion Sensory-motor impairment, as measured by the upper limb Fugl Meyer scale, can explain the influence of the upper limbs on participation in the individuals' perception. PMID- 29226781 TI - A Milestone for CAR T Cells. PMID- 29226782 TI - Patterns of source monitoring bias in incarcerated youths with and without conduct problems. AB - INTRODUCTION: Antisocial individuals present behaviours that violate the social norms and the rights of others. In the present study, we examine whether biases in monitoring the self-generated cognitive material might be linked to antisocial manifestations during adolescence. We further examine the association with psychopathic traits and conduct problems (CPs). METHODS: Sixty-five incarcerated adolescents (IAs; M age = 15.85, SD = 1.30) and 88 community adolescents (CAs; M age = 15.78, SD = 1.60) participated in our study. In the IA group, 28 adolescents presented CPs (M age = 16.06, SD = 1.41) and 19 did not meet the diagnostic criteria for CPs (M age = 15.97, SD = 1.20). Source monitoring was assessed through a speech-monitoring task, using items requiring different levels of cognitive effort; recognition and source-monitoring bias scores (internalising and externalising biases) were calculated. RESULTS: Between-group comparisons indicate greater overall biases and different patterns of biases in the source monitoring. IA participants manifest a greater externalising bias, whereas CA participants present a greater internalising bias. In addition, IA with CPs present different patterns of item recognition. CONCLUSIONS: These results indicate that the two groups of adolescents present different types of source monitoring bias for self-generated speech. In addition, the IAs with CPs present impairments in item recognition. Future studies may examine the developmental implications of self-monitoring biases in the perseverance of antisocial behaviours from adolescence to adulthood. PMID- 29226783 TI - Evaluation of the water disinfection by-product dichloroacetonitrile-induced biochemical, oxidative, histopathological, and mitochondrial functional alterations: Subacute oral toxicity in rats. AB - Dichloroacetonitrile (DCAN), an emerging nitrogenous disinfection by-product, is more genotoxic and cytotoxic than the currently regulated carbonaceous disinfection by-products such as haloacetic acids. Few mechanistic studies have been conducted on the hepatic and renal toxicities of DCAN. This study examined the clinical biochemical, hematological, histopathological, oxidative, and mitochondrial functional alterations to evaluate the systematic toxicity after subacute oral exposure of 11 or 44 mg/kg/day in rats for 28 days. Body and spleen weights were lower, and organ-to-body weight ratios of the liver and kidney were higher in rats administered 44-mg/kg DCAN than in controls. The activities of serum alanine aminotransferase and alkaline phosphatase, and concentrations of blood serum urea nitrogen and retinol-binding protein were increased in rats administered 44-mg/kg DCAN compared with those of controls, thereby indicating hepatic and renal damage in this group. This was confirmed by histopathological alterations, including hepatic sinus dilation, extensive hemorrhage, vacuolar degeneration in the liver and glomerulus hemorrhage, and renal tubular swelling, in DCAN-exposed rats. Exposure to 44-mg/kg DCAN induced hepatic oxidative damage shown by the significant increase in malonaldehyde levels, a poisonous product of lipid peroxidation. Exposure to 44-mg/kg DCAN significantly increased hepatic glutathione content and mitochondrial bioenergy as noted by the elevation of mitochondrial membrane potential and cytochrome c oxidase activity, which might be attributed to compensatory pathophysiologic responses to DCAN-induced hepatic mitochondrial damage. PMID- 29226784 TI - The reproductive and developmental toxicity of nanoparticles: A bibliometric analysis. AB - Because of the advantages of nanoparticles (NPs) in a variety of industrial, biomedical, and consumer applications, they are intentionally (such as in medicine) or unintentionally (environment exposure) introduced into the human body. However, to date, the detrimental effects of NPs are still unclear, especially in reproductive and developmental toxicity. In this study, we researched 266 articles related to the reproductive and developmental toxicity of NPs from 2006 to December 2016 based on the database of the Web of Science. According to the bibliometric analysis, we found that China and the United States were the leading countries in this field and the major research trends might focus on the pathogenesis of NPs, such as oxidative stress, inflammation, and DNA damage. By this analysis, we provide new insights into the research trends and characteristics of the field. PMID- 29226785 TI - Facial First Impressions Across Culture: Data-Driven Modeling of Chinese and British Perceivers' Unconstrained Facial Impressions. AB - People form first impressions from facial appearance rapidly, and these impressions can have considerable social and economic consequences. Three dimensions can explain Western perceivers' impressions of Caucasian faces: approachability, youthful-attractiveness, and dominance. Impressions along these dimensions are theorized to be based on adaptive cues to threat detection or sexual selection, making it likely that they are universal. We tested whether the same dimensions of facial impressions emerge across culture by building data driven models of first impressions of Asian and Caucasian faces derived from Chinese and British perceivers' unconstrained judgments. We then cross-validated the dimensions with computer-generated average images. We found strong evidence for common approachability and youthful-attractiveness dimensions across perceiver and face race, with some evidence of a third dimension akin to capability. The models explained ~75% of the variance in facial impressions. In general, the findings demonstrate substantial cross-cultural agreement in facial impressions, especially on the most salient dimensions. PMID- 29226786 TI - Temporal grouping effects in musical short-term memory. AB - Recent theoretical accounts of verbal and visuo-spatial short-term memory (STM) have proposed the existence of domain-general mechanisms for the maintenance of serial order information. These accounts are based on the observation of similar behavioural effects across several modalities, such as temporal grouping effects. Across two experiments, the present study aimed at extending these findings, by exploring a STM modality that has received little interest so far, STM for musical information. Given its inherent rhythmic, temporal and serial organisation, the musical domain is of interest for investigating serial order STM processes such as temporal grouping. In Experiment 1, the data did not allow to determine the presence or the absence of temporal grouping effects. In Experiment 2, we observed that temporal grouping of tone sequences during encoding improves short-term recognition for serially presented probe tones. Furthermore, the serial position curves included micro-primacy and micro-recency effects, which are the hallmark characteristic of temporal grouping. Our results suggest that the encoding of serial order information in musical STM may be supported by temporal positional coding mechanisms similar to those reported in the verbal domain. PMID- 29226787 TI - Bayesian proportional hazards model with latent variables. AB - We consider a joint modeling approach that incorporates latent variables into a proportional hazards model to examine the observed and latent risk factors of the failure time of interest. An exploratory factor analysis model is used to characterize the latent risk factors through multiple observed variables. In commonly used confirmatory factor analysis, the number of latent variables and their observed indicators are specified prior to analysis. By contrast, the exploratory factor analysis model allows such information to be fully determined by the data. A Bayesian approach coupled with efficient sampling methods is developed to conduct statistical inference, and the performance of the proposed methodology is confirmed through simulations. The model is applied to a study on the risk factors of chronic kidney disease for patients with type 2 diabetes. PMID- 29226788 TI - Mental health for refugees, asylum seekers and displaced persons: A call for a humanitarian agenda. PMID- 29226789 TI - The emotional distress of asylum seekers in Israel and the characteristics of those seeking psychiatric versus medical help. AB - Israel has become a destination for asylum seekers. Asylum seekers often experience emotional distress, but have limited access to health services and rarely use psychiatric services. This study sought to understand and characterize the use of psychiatric versus medical services by asylum seekers in Israel. We compared the emotional distress, stressful life events and previous treatment consultations of 21 psychiatric service users (PSU) and 55 medical service users (MSU) at the Open Clinic of Physicians for Human Rights in Tel-Aviv. Participants completed a socio-demographic questionnaire, the General Health Questionnaire (GHQ-12), the Stressful Life Events Scale and the Health Care Utilization Questionnaire. PSU and MSU did not have significantly different levels of emotional distress. PSU reported significantly more stressful life events during the past year than MSU ( M = 5.81, SD 3.47 vs. M = 3.8, SD 2.35, p < 0.01). In comparison to MSU, PSU utilized more medical ( M = 4.33, SD 2.28) and non-medical ( M = 2.38, SD 1.92) services ( p < 0.001) than MSU. Asylum seekers who consulted multiple treatment agencies in the last year were 1.55 times more likely to seek psychiatric treatment than those who had consulted only a few treatment agencies. Emotional distress in asylum seekers appears to be under-diagnosed in the Open Clinic and under-treated by mental health professionals. To better detect this distress, a thorough screening is recommended at assessment. Collaboration with mental health professionals and community and religious leaders consulted in the past is important and can contribute to good health care outcomes in this population. PMID- 29226790 TI - Posttraumatic stress disorder and comorbid depression among refugees: Assessment of a sample from a German refugee reception center. AB - In 2015, a large number of refugees arrived in Germany, mostly driven to emigrate by devastating circumstances in their countries of origin. Arriving refugees are distributed to reception centers within the German federal states, frequently facing marginal conditions in terms of overcrowding or waiting time of several months until their application for asylum is processed. Most of these refugees underwent numerous traumatizing experiences-both in their country of origin and while fleeing from their country of origin. Furthermore, they faced and will likely continue to face various access barriers to mental health care. In this study, we assessed a sample of 85 refugees from a reception center in Germany selected due to their observed psychological strain. Results showed that the majority suffered from posttraumatic stress disorder, mostly with symptoms of intrusion, hyperarousal, avoidance, and dissociation. Most refugees also suffered from comorbid depression. We discuss implications of these findings for reception services and the need for more preventive psychiatric care. PMID- 29226791 TI - Counting the cost of Afrophobia: Post-migration adaptation and mental health challenges of African refugees in South Africa. AB - There are few studies on the role of migration within sub-Saharan Africa and its relation to the development of mental illness. We investigated post-resettlement adaptation and mental health challenges of African refugees/migrants in Durban, South Africa. We interviewed 335 African help-seeking refugees/migrants for anxiety, depression (25-item Hopkins Symptom Checklist) and post-traumatic stress symptoms (30-item Harvard Trauma Questionnaire). Socio-demographic and migration history, focusing on post-migration circumstances and experiences of discrimination in the host country, were obtained. Association between migration and post-settlement factors and mental health outcomes were assessed using adjusted logistic regression models. Prevalence of mental distress was high: 49.4% anxiety, 54.6% depression and 24.9% post-traumatic stress symptoms. After adjustment for family separation since migration, recent arrival in South Africa was associated with increased risk for depression (aOR = 4.0, 95% CI:1.3-11.8) and post-traumatic stress (aOR = 5.2, 95% CI:1.7-15.9), while in unadjusted models, older age on arrival was associated with anxiety (aOR = 5.3, 95% CI:1.4 19.8) and depression (aOR = 6.2, 95% CI:1.6-24.3). History of family separation since migration was independently associated with depression and post-traumatic stress in all models. Discriminatory experiences since migration was also an independent risk factor for all three mental health outcomes. Finally, being divorced/widowed was associated with an increased risk for post-traumatic stress, while higher income earners were protected against post-traumatic symptoms, even after adjustment. Refugees/migrants in South Africa show a significant burden of mental distress that is linked to challenges of adjustment in an often hostile context. Services addressing these and other health-related, social-economic needs should be developed as a priority. PMID- 29226792 TI - Posttraumatic world assumptions among treatment-seeking refugees. AB - The clinical relevance of negative changes in cognitions about oneself, others, and the world is reflected in the diagnostic criteria for posttraumatic stress disorder (PTSD) in the DSM-5 and complex posttraumatic stress disorder in the ICD 11. Although such changes in cognition have been posited to be especially relevant for traumatised refugees, few studies have examined this in refugee populations. The present study used a cross-sectional design to compare negative cognitions among 213 adult treatment-seeking refugees with those in previously published samples from the general population, veterans with combat-related PTSD, and whiplash victims. Measures included the World Assumptions Scale (WAS) and the Events and DSM-IV PTSD subscales of the Harvard Trauma Questionnaire (HTQ). Path models examined the relation of the WAS subscales to five demographic and trauma related variables. Results showed that world assumptions were especially negative with regard to Benevolence of World, Benevolence of People, and Luck subscales, on which refugees scored lower than all reference samples. Differences between the refugee sample and the reference samples were smallest with regard to self worth and self-controllability. World assumptions were associated with gender and PTSD symptom severity but not with age, length of residence in the Netherlands, and number of traumatic event types. The DSM-5 criterion of negative changes in belief about oneself, others, and the world appears more applicable to refugees than the more narrowly formulated ICD-11 criterion of diminished and defeated sense of self. Prevention and treatment efforts with refugees may need to be especially aimed at preventing a further decline of trust as well as restoration of trust in others and the world. PMID- 29226793 TI - Cultural translation of refugee trauma: Cultural idioms of distress among Somali refugees in displacement. AB - Westernized approaches to mental health care often place limited emphasis on refugees' own experiences and cultural explanations of symptoms and distress. In order to effectively assess community mental health needs and develop interventions grounded in local needs, mental health programs need to be informed by an understanding of cultural features of mental health, including cultural idioms of distress (CIDs). The current study aims to explore CIDs among Somali refugees displaced in Kenya to understand mental health needs in cultural context and serve the community in a culturally responsive and sensitive manner. This research was conducted as a two-phase qualitative study. First, key informant interviews with Somali mental health stakeholders generated a list of 7 common Somali CIDs: buufis, buqsanaan, welwel, murug, qaracan, jinn, and waali. Typologies of each CID were further explored through four focus group interviews with Somali community members. The findings from a template analysis revealed Somali lay beliefs on how trauma and daily stressors are experienced and discussed in the form of CIDs and how each term is utilized and understood in attributing symptoms to associated causes. This study highlights the need to incorporate colloquial terms in mental health assessment and to adopt a culturally relevant framework to encourage wider utilization of services and religious/spiritual support systems. PMID- 29226794 TI - Mental health of immigrants and refugees seeking legal services on the US-Mexico border. AB - The debates on the mental health benefits associated with immigration are mixed. On the one hand, immigrants are provided with more opportunities not available in their home countries. On the other hand, they are far away from home and may have been exposed to traumatic experiences on their journeys to the receiving country. Even after settling down in the receiving country, most continue to face legal battles associated with their immigration status, as shown in this study. This study examined the risk and protective factors associated with the mental health conditions in a sample of 39 immigrants and refugees seeking legal services on the US-Mexico border. Participants were recruited from a southwestern community agency serving the region's immigrant population over the past three decades. Negative mental health states including stress, sadness, and anxiety were frequently reported by the participants. Six themes were identified as significantly related to the participants' adjustment in the US: (1) political turmoil and safety issues; (2) economic hardship and extreme poverty; (3) trauma before and after resettlement; (4) immigration status; (5) family relational strain; and (6) identity struggle and acculturation. Overall, results demonstrate the complexity of issues pertaining to cross-country migration, cultural sensitivities, and mental health. PMID- 29226795 TI - Treatment of sleep disturbances in refugees suffering from post-traumatic stress disorder. AB - Sleep disturbances are often referred to as the hallmark of Post-Traumatic Stress Disorder (PTSD). Although PTSD is prevalent in refugees, studies on sleep disturbances in trauma-affected refugees are scarce. This article presents the results of two studies: a systematic review of the literature on treatment of sleep disturbances in adult trauma-affected refugees and a study of the role of sleep disturbances in the PTSD symptom structure. Study 1, the literature review, identified five studies on treatment of sleep disturbances: four studies were on pharmacological treatment and one study on music therapy. The identified studies had small sample sizes and few carried out statistical analysis. It was not possible from the available literature to recommend any specific treatment of sleep disturbances. In Study 2, a clinical sample of 752 refugees, fulfilling criteria for PTSD and enrolled in treatment at the Competence Centre for Transcultural Psychiatry, Denmark, completed the Harvard Trauma Questionnaire (HTQ) before and after treatment. To determine item discrimination, the data was tested with a Rasch model. 99.1% reported trouble sleeping and 98.7% reported recurrent nightmares. The Rasch analysis displayed fit residuals of 0.05 for trouble sleeping and -1.16 for nightmares, indicating sufficient discrimination. Trouble sleeping and nightmares proved important parts of the HTQ response structure. This study indicates that sleep disturbances are a prominent part of the PTSD symptom structure in refugees but that research on treatment of sleep disturbances is limited. Further research on sleep disturbances in trauma affected refugees is therefore needed. PMID- 29226796 TI - "If I speak English, what am I? I am full man, me": Emotional impact and barriers for refugees and asylum seekers learning English. AB - Lack of proficiency in the language of the host country predicts distress among refugees, but many refugees and asylum seekers in the United Kingdom have less than functional English. This study examined how learning English affected refugees' and asylum seekers' lives, particularly their emotional wellbeing, to explore what factors, particularly psychological ones, facilitated or impeded their learning English. We recruited 16 refugees and asylum seekers from an inner city National Health Service trauma service and from a charity providing one-to one English classes. All participants were interviewed in English. Interview data were analysed using thematic analysis from a critical realist perspective. Interviewees provided consistent accounts of their efforts to learn English, integrated into often unsettled and difficult lives. The analysis generated six themes in two domains. The impact of learning English was mainly positive, associated with autonomy, sense of achievement, and aspirations. Barriers to learning English consisted of other problems affecting refugees' capacity to learn, limited opportunities to speak English, and a sense of shame associated with perceived lack of English language competence. Findings highlight the need to provide adequate psychological support for refugees and asylum seekers learning English, recognising its importance in promoting both their integration in the UK and their individual psychological well-being. PMID- 29226798 TI - Long-term effects of a Swedish lifestyle intervention programme on lifestyle habits and quality of life in people with increased cardiovascular risk. AB - AIMS: The aim of this study was to evaluate the effects of a structured intervention programme on lifestyle habits and quality of life after six months and one year in participants with increased cardiovascular risk. METHODS: Participants aged >=18 years with increased cardiovascular risk were referred from primary health care and hospitals. The programme was launched at an outpatient clinic in a department of cardiology at a university hospital. It consisted of individual visits to a nurse for a health check-up and lifestyle counselling at baseline, after six months and at one year. In addition, five group sessions - focusing on nicotine, alcohol, physical activity, eating habits, stress, sleep and behavioural change - were offered to the participants and their relatives or friends. Lifestyle habits and quality of life were assessed with questionnaires at baseline, after six months and at one year. RESULTS: One hundred participants (64 women, 36 men, age 58+/-11 years) were included in the programme. Compared with the baseline, significant and favourable changes in reported lifestyle habits were noted. Exercise levels were higher after one year and sedentary time decreased from 7.4 to 6.3 h/day. Dietary habits improved and the number of participants with a high consumption of alcohol decreased. Quality of life improved after one year. CONCLUSIONS: Participating in a structured lifestyle programme resulted in improved lifestyle habits and quality of life over one year in people with increased cardiovascular risk. Components such as an inter-professional teamwork, a focus on lifestyle rather than the disease, and combining individual visits and group sessions, might be central to the positive outcome of the programme. PMID- 29226799 TI - Evaluation of a school-based cognitive-behavioral depression prevention program. AB - AIM: The aim of this study was to investigate the feasibility and cost-utility of a school-based cognitive-behavioral (CB) depression prevention program. METHODS: A quasi-experimental trial with an intervention group and a control group, with follow-up measurements obtained at three and 12 months after baseline, was conducted. The setting was six Swedish municipalities. The participants were students in grade 8 (median age: 14). A total of 462 students (79% girls) were allocated to the school-based CB prevention program, and 486 students (46% girls) were allocated to the control group. The school-based CB prevention program, Depression in Swedish Adolescents (DISA), was presented by school health service staff and teachers once per week for 10 weeks. RESULTS: The main outcome measures were self-reported depressive symptoms and self-rated health; the secondary outcome measures were adherence and cost-utility. The intervention group decreased their self-reported depressive symptoms (as measured by the Center for Epidemiological Studies Depression Scale) and improved their self-rated health (as measured by the visual analog scale) at the 12-month follow-up more than the control group ( p < .05). CONCLUSIONS: Given the challenges of conducting a study in a complex, everyday school setting with baseline differences between the intervention and control group, it is difficult to make accurate interpretations of the effectiveness of the intervention. However, with these limitations in mind, the results indicate that the DISA program is a feasible school-based prevention program. PMID- 29226801 TI - The Global Pandemic of Falsified Medicines: Laboratory and Field Innovations and Policy Implications. PMID- 29226797 TI - Axicabtagene Ciloleucel CAR T-Cell Therapy in Refractory Large B-Cell Lymphoma. AB - BACKGROUND: In a phase 1 trial, axicabtagene ciloleucel (axi-cel), an autologous anti-CD19 chimeric antigen receptor (CAR) T-cell therapy, showed efficacy in patients with refractory large B-cell lymphoma after the failure of conventional therapy. METHODS: In this multicenter, phase 2 trial, we enrolled 111 patients with diffuse large B-cell lymphoma, primary mediastinal B-cell lymphoma, or transformed follicular lymphoma who had refractory disease despite undergoing recommended prior therapy. Patients received a target dose of 2*106 anti-CD19 CAR T cells per kilogram of body weight after receiving a conditioning regimen of low dose cyclophosphamide and fludarabine. The primary end point was the rate of objective response (calculated as the combined rates of complete response and partial response). Secondary end points included overall survival, safety, and biomarker assessments. RESULTS: Among the 111 patients who were enrolled, axi-cel was successfully manufactured for 110 (99%) and administered to 101 (91%). The objective response rate was 82%, and the complete response rate was 54%.With a median follow-up of 15.4 months, 42% of the patients continued to have a response, with 40% continuing to have a complete response. The overall rate of survival at 18 months was 52%. The most common adverse events of grade 3 or higher during treatment were neutropenia (in 78% of the patients), anemia (in 43%), and thrombocytopenia (in 38%). Grade 3 or higher cytokine release syndrome and neurologic events occurred in 13% and 28% of the patients, respectively. Three of the patients died during treatment. Higher CAR T-cell levels in blood were associated with response. CONCLUSIONS: In this multicenter study, patients with refractory large B-cell lymphoma who received CAR T-cell therapy with axi cel had high levels of durable response, with a safety profile that included myelosuppression, the cytokine release syndrome, and neurologic events. (Funded by Kite Pharma and the Leukemia and Lymphoma Society Therapy Acceleration Program; ZUMA-1 ClinicalTrials.gov number, NCT02348216 .). PMID- 29226800 TI - Waterpipe use in adolescents in Northern Sweden: Association with mental well being and risk and health behaviours. AB - AIMS: There is a lack of studies examining the association between waterpipe smoking and mental well-being among adolescents. This study sought to determine whether waterpipe smoking is associated with mental well-being and other risk and health behaviours in adolescents. METHODS: A questionnaire was distributed to 1006 adolescents in grades 9-12 (with a response rate of >95%), containing questions on measures of stress, mental energy and sleep. In addition, the questionnaire assessed risk and health behaviours, including use of a waterpipe, cigarettes, e-cigarettes, snus, alcohol, narcotics, gambling and exercise. Logistic regression was used to assess factors associated with waterpipe use. RESULTS: Thirty-seven per cent ( n=371) of the participants had used a waterpipe at some point. Waterpipe use was associated with lower mental energy (odds ratio [OR] = 0.90, 95% confidence interval [CI] 0.81-0.99), higher stress (OR = 1.10, 95% CI 1.02-1.20) and use of cigarettes (OR = 3.82, 95% CI 2.33-6.03), e cigarettes (OR = 3.26, 95% CI 2.12-4.99), snus (OR = 2.29, 95% CI 2.12-4.99), alcohol (OR = 1.92, 95% CI 1.07-3.44) and narcotics (OR = 3.64, 95% CI 1.75 7.58). Waterpipe use was not significantly associated with gambling, exercise or sleep quality. CONCLUSIONS: Waterpipe use in adolescents is associated with worse mental well-being, as well as use of other nicotine products, alcohol and narcotics. Prospective studies are needed to delineate causal and temporal relationships further between waterpipe use and mental well-being and its relationship to other risky behaviours in order to design effective prevention programs. PMID- 29226802 TI - [In vitro oogenesis: How far have we come?] AB - Oogenesis is a complex cellular and molecular process whose fundamental mechanisms are still poorly described or not yet elucidated, especially in human species. The development of an in vitro model of oogenesis, particularly during fetal development in humans, is a critical step that would allow: (i) a better understand of the biological mechanisms of oogenesis; (ii) a refinement of medical diagnosis for women suffering from infertility; and (iii) providing new therapeutics for reproductive pathologies. The genesis of this model could be considered from ES/iPS cells. In this article, we will trace the physiological mechanisms of oogenesis in vivo and discuss the studies carried out in the field of in vitro oogenesis from ES/iPS cells, as well as the challenges to be met in the future. PMID- 29226803 TI - Quantitative Missense Variant Effect Prediction Using Large-Scale Mutagenesis Data. AB - Large datasets describing the quantitative effects of mutations on protein function are becoming increasingly available. Here, we leverage these datasets to develop Envision, which predicts the magnitude of a missense variant's molecular effect. Envision combines 21,026 variant effect measurements from nine large scale experimental mutagenesis datasets, a hitherto untapped training resource, with a supervised, stochastic gradient boosting learning algorithm. Envision outperforms other missense variant effect predictors both on large-scale mutagenesis data and on an independent test dataset comprising 2,312 TP53 variants whose effects were measured using a low-throughput approach. This dataset was never used for hyperparameter tuning or model training and thus serves as an independent validation set. Envision prediction accuracy is also more consistent across amino acids than other predictors. Finally, we demonstrate that Envision's performance improves as more large-scale mutagenesis data are incorporated. We precompute Envision predictions for every possible single amino acid variant in human, mouse, frog, zebrafish, fruit fly, worm, and yeast proteomes (https://envision.gs.washington.edu/). PMID- 29226805 TI - Anaphylaxis to invasive chlorhexidine administration despite tolerance of topical chlorhexidine use. PMID- 29226806 TI - Underestimation of specific IgE measurements using extract-based assays on undiluted sera revealed through dilution. PMID- 29226804 TI - Systems Pharmacology Dissection of Cholesterol Regulation Reveals Determinants of Large Pharmacodynamic Variability between Cell Lines. AB - In individuals, heterogeneous drug-response phenotypes result from a complex interplay of dose, drug specificity, genetic background, and environmental factors, thus challenging our understanding of the underlying processes and optimal use of drugs in the clinical setting. Here, we use mass-spectrometry based quantification of molecular response phenotypes and logic modeling to explain drug-response differences in a panel of cell lines. We apply this approach to cellular cholesterol regulation, a biological process with high clinical relevance. From the quantified molecular phenotypes elicited by various targeted pharmacologic or genetic treatments, we generated cell-line-specific models that quantified the processes beneath the idiotypic intracellular drug responses. The models revealed that, in addition to drug uptake and metabolism, further cellular processes displayed significant pharmacodynamic response variability between the cell lines, resulting in cell-line-specific drug-response phenotypes. This study demonstrates the importance of integrating different types of quantitative systems-level molecular measurements with modeling to understand the effect of pharmacological perturbations on complex biological processes. PMID- 29226807 TI - Asthma, Family History of Drug Allergy, and Age Predict Amoxicillin Allergy in Children. AB - BACKGROUND: Suspected adverse reactions to amoxicillin are common, but there are no known factors that can predict amoxicillin allergy in children. In addition, methods used for the diagnosis of amoxicillin allergy are not standardized and their role in diagnosis is not clear. OBJECTIVE: To identify predictive factors and to assess the role of skin test in the diagnosis of amoxicillin allergy in children. METHODS: Children with a history of immediate (excluding anaphylaxis) or nonimmediate reactions to amoxicillin were tested by skin prick test, followed by oral graded challenge with amoxicillin. Clinical characteristics of the reaction before and after the challenge were recorded, and data of personal and relatives' drug allergies and atopy were collected for statistical analysis. RESULTS: Skin prick tests followed by an oral graded challenge with amoxicillin were performed on 133 children. The skin test result was not of clinical value because it was negative in all children. Three children (2%) had an immediate reaction and 7 children (5%) had a nonimmediate reaction. Asthma (odds ratio [OR], 0.12; 95% CI, 0.017-0.869; P = .03), family history of drug allergy (OR, 0.12; 95% CI, 0.026-0.613; P = .01), older age at reaction (OR, 0.837; 95% CI, 0.699-1; P = .05), and angioedema (OR, 0.22; 95% CI, 0.043-1.12; marginally significant at P = .069) were associated with reduced chance to pass the oral challenge. CONCLUSIONS: Skin prick test did not contribute to the diagnosis of amoxicillin allergy. The presence of asthma, family history of drug allergy, and older age at reaction can be used as predictive factors for true amoxicillin allergy in children. PMID- 29226808 TI - Increased Tolerance to Less Extensively Heat-Denatured (Baked) Milk Products in Milk-Allergic Children. AB - BACKGROUND: Most milk-allergic children tolerate baked milk. OBJECTIVE: To investigate the effect of more frequent versus less frequent introduction of higher doses of more allergenic (less heat-denatured) forms of milk (MAFM) on progression to tolerance. METHODS: Milk-allergic children were challenged with increasing doses of MAFM; baked foods were incorporated into the diet; challenges were repeated at 6- or 12-month intervals over 36 months. RESULTS: A total of 136 children (70% males) were enrolled in the active group (median age, 7 years). At baseline, 41 (30%) reacted to muffin, 31 (23%) to pizza, 11 (8%) to rice pudding, 43 (32%) to non-baked milk; and 10 (7%) tolerated non-baked milk. Children who tolerated baked milk but reacted to non-baked liquid milk were randomized to MAFM challenges every 6 months (n = 41) or 12 months (n = 44). At month 36, 61% children in the 6-month and 73% in the 12-month escalation groups tolerated MAFM. Overall, 41 (48%) children who ingested baked-milk diet became tolerant to non baked milk; no difference was seen between 6- and 12- month escalations. Among children who reacted to muffin at baseline and continued avoidance, 20% developed tolerance to baked milk and 0% tolerated non-baked milk. None of the 34 children who qualified for inclusion but chose not to take part in the active study became tolerant to any form of milk by history. CONCLUSIONS: Majority of children tolerated baked milk at baseline. Baked-milk diets were associated with progressive immunomodulation. Most children who incorporated baked milk into their diet progressed to tolerating MAFM, but there was no advantage to more frequent attempts to escalate to MAFM, per intention-to-treat analysis. PMID- 29226810 TI - Standardisation of lung function test interpretation: Global Lung Function Initiative. PMID- 29226809 TI - Vitamin D Supplementation in Chronic Schizophrenia Patients Treated with Clozapine: A Randomized, Double-Blind, Placebo-controlled Clinical Trial. AB - BACKGROUND: While accumulating evidence suggests that vitamin D deficiency may be involved in the risk to develop schizophrenia and its outcome, there are no studies on vitamin D supplementation in this context. We sought to assess the effect of vitamin D supplementation on psychiatric, cognitive and metabolic parameters in chronic clozapine-treated schizophrenia patients. METHODS: This eight-week, randomized, double-blind, placebo-controlled clinical trial, recruited schizophrenia patients who had been maintained on clozapine treatment for at least 18weeks and had low levels of vitamin D (<75nmol/l) and total PANSS scores >70 (to ascertain the presence of residual symptoms). Patients were randomly allocated to either weekly oral drops of vitamin D (14,000IU) or placebo and subsequently assessed at two-week intervals for psychosis severity, mood, cognition and metabolic profile. RESULTS: Twenty four patients were randomly assigned to vitamin D (aged 39.4+/-9.6years, 75% males) and the other 23 patients to the placebo arm (aged 42.5+/-11.2years, 60.9% males). After eight weeks, the vitamin D group exhibited a significant increase in vitamin D levels (31.4 vs 0.4nmol/l, p<0.0001). There was no significant effect of vitamin D on psychotic, depressive or metabolic parameters. However, in the vitamin D group, there was a trend towards improved cognition (effect size=0.17, significance lost following Bonferroni correction). CONCLUSIONS: Vitamin D supplementation was associated with a trend towards improved cognition, but did not affect psychosis, mood or metabolic status. It is possible that the robust decrease in the PANSS scores in both groups may have obscured an effect of vitamin D supplementation. PMID- 29226811 TI - Evidence-Based Therapy and Its Association With Workforce Detachment After First Hospitalization for Heart Failure. AB - OBJECTIVES: This study investigated the association between the use of evidence based medicine (EBM) for heart failure (HF) and risk of workforce detachment. BACKGROUND: The ability to work can be a marker of functional capacity and quality of life. METHODS: We examined a nationwide cohort of patients in the workforce 1 year after first hospitalization for HF. EBM was defined as treatment with beta-blockers and renin angiotensin system inhibitors. The fraction of target dose (0 TO 1) for each drug was calculated. The sum of the fractions gave each patient a score between 0 and 2. Patients were stratified into 4 groups according to this score: group 4 score = 2 (target dose of both drugs); group 3 score <2 to >1; group 2 score <=1 to >0.5; and group 1 score <=0.5. The risk of subsequent workforce detachment was estimated in cause specific Cox regression models. RESULTS: One year after first HF hospitalization, 10,185 patients were part of the workforce, and 7,561 (74%) were in treatment with at least 1 of the components of EBM. During a median follow-up of 727 days, 2,698 individuals (36%) became detached from the workforce. Patients receiving more EBM had a significantly lower risk of workforce detachment compared with those receiving less EBM (group 4 hazard ratio [HR]: 0.87; 95% confidence interval [CI]: 0.77 to 0.98; group 3 HR: 0.85; 95% CI: 0.77 to 0.94; and group 2 HR 0.92; 95% CI: 0.83 to 1.02), all compared to group 1. CONCLUSIONS: Patients in the workforce 1 year after first HF hospitalization and treated with target or near-target doses of EBM were associated with a significantly lower risk of subsequent workforce detachment. PMID- 29226812 TI - The Right Diet for Heart Failure: Finding Morsels for Success. PMID- 29226813 TI - Are We Approaching Chronotropy (In)competently? PMID- 29226814 TI - Yet Another (Important) Goal for Heart Failure Patients. PMID- 29226815 TI - Integrative Assessment of Congestion in Heart Failure Throughout the Patient Journey. AB - Congestion is one of the main predictors of poor patient outcome in patients with heart failure. However, congestion is difficult to assess, especially when symptoms are mild. Although numerous clinical scores, imaging tools, and biological tests are available to assist physicians in ascertaining and quantifying congestion, not all are appropriate for use in all stages of patient management. In recent years, multidisciplinary management in the community has become increasingly important to prevent heart failure hospitalizations. Electronic alert systems and communication platforms are emerging that could be used to facilitate patient home monitoring that identifies congestion from heart failure decompensation at an earlier stage. This paper describes the role of congestion detection methods at key stages of patient care: pre-admission, admission to the emergency department, in-hospital management, and lastly, discharge and continued monitoring in the community. The multidisciplinary working group, which consisted of cardiologists, emergency physicians, and a nephrologist with both clinical and research backgrounds, reviewed the current literature regarding the various scores, tools, and tests to detect and quantify congestion. This paper describes the role of each tool at key stages of patient care and discusses the advantages of telemedicine as a means of providing true integrated patient care. PMID- 29226816 TI - Efficacy of Intravenous Furosemide Versus a Novel, pH-Neutral Furosemide Formulation Administered Subcutaneously in Outpatients With Worsening Heart Failure. AB - OBJECTIVES: This study sought to determine the efficacy and safety of a novel, pH neutral formulation of furosemide administered subcutaneously (SC) for treatment of acute decompensated heart failure (HF). BACKGROUND: Congestion requiring intravenous (IV) administration of a diuretic agent is the main reason patients with HF present for acute medical care. METHODS: Outpatients presenting with decompensated HF were randomized to receive a single SC or IV dose of furosemide. Primary outcome was 6-h urine output, and secondary outcomes were weight change, natriuresis, and adverse events. RESULTS: Forty-one patients were randomized: 19 were treated with IV (mean dose: 123 +/- 47 mg) and 21 with SC furosemide (fixed dose of 80 mg over 5 h). The 6-h urine output in the IV group was not significantly different from that in the SC furosemide group (median IV: 1,425 ml; interquartile range [IQR]: 1,075 to 1,950 ml; vs. median SC: 1,350 ml; IQR: 900 to 1,900 ml; p = 0.84). Additionally, mean weight loss was not significantly different (-1.5 +/- 1.1 kg in the IV group vs. -1.5 +/- 1.2 kg in the SC group; p = 0.95). Hourly urine output was significantly higher in the IV group at hour 2 (425 ml in the IV group vs. 250 ml in the SC group; p = 0.02) and higher in the SC group at hour 6 (125 ml, IV group vs. 325 ml, SC group; p = 0.005). Natriuresis was higher in the SC group (IV: 7.3 +/- 35.3 mEq/l vs. SC: 32.8 +/- 43.6 mEq/l; p = 0.05). There was no worsening renal function, ototoxicity, or skin irritation with either formulation. Thirty-day hospitalization rates were similar. CONCLUSIONS: In this phase II trial, we did not identify significant differences between urine output obtained with pH-neutral furosemide administered SC and that obtained by IV. This method of decongestion may allow treatment at home and reduced HF resources and warrants further investigation. (Sub-Q Versus IV Furosemide in Acute Heart Failure; NCT02579057). PMID- 29226817 TI - The Twittersphere Needs Academic Cardiologists!: #heartdisease #No1Killer #beyondjournals. PMID- 29226818 TI - Rate-Response Programming Tailored to the Force-Frequency Relationship Improves Exercise Tolerance in Chronic Heart Failure. AB - OBJECTIVES: This study sought to examine whether the heart rate (HR) at which the force-frequency relationship (FFR) slope peaks (critical HR) could be used to tailor HR response in chronic heart failure (CHF) patients with cardiac pacemakers and whether this favorably influences exercise capacity. BACKGROUND: CHF secondary to left ventricular (LV) systolic dysfunction is characterized by blunting of the positive relationship between HR and LV contractility known as the FFR. METHODS: This observational study was carried out in patients with CHF and healthy subjects with pacemaker devices. The study assessed the 3 important features of the FFR (critical HR, peak contractility, and the FFR slope), and their reproducibility was measured noninvasively using echocardiography. The investigators then undertook a double-blind, randomized, controlled crossover study comparing the effects of tailored pacemaker rate-response programming on the basis of the FFR with conventional rate-response programming on exercise time and maximal oxygen consumption. RESULTS: The study enrolled 90 patients with CHF into the observational cohort study: mean age, 73.6 +/- 8.9 years; mean left ventricular ejection fraction (LVEF), 33.5 +/- 10.9%. The study investigated 15 control subjects with normal LV function (LVEF, 55.6 +/- 5.3%). The critical HR (103 +/- 22 beats/min vs. 126 +/- 15 beats/min; p = 0.0002), peak contractility (3.8 +/- 3.7 SBP/LVESVI vs. 9.8 +/- 4.1 SBP/LVESVI; p = 0.0001), and the slope of the FFR (p < 10-15) were lower in patients with CHF than in control subjects. A total of 52 patients, with a mean LVEF of 32 +/- 11% on optimal therapy, took part in the crossover study. Rate-response settings limiting HR rise to below the critical HR led to greater exercise time (475 +/- 189 s vs. 425 +/- 196 s; p = 0.003) and higher peak oxygen consumption (17.3 +/- 4.6 ml/kg/min vs. 16.6 +/- 4.7 ml/kg/min; p = 0.01). CONCLUSIONS: A personalized approach to rate-response programming, determined using a reproducible noninvasive method for assessing the FFR, improves exercise time in patients with CHF and pacemaker devices. (Bowditch Revisited: Defining the Optimum Heart Rate Range in Chronic Heart Failure; NCT02563873). PMID- 29226819 TI - Adherence to Mediterranean Diet and All-Cause Mortality After an Episode of Acute Heart Failure: Results of the MEDIT-AHF Study. AB - OBJECTIVES: The authors sought to evaluate clinical outcomes of patients after an episode of acute heart failure (AHF) according to their adherence to the Mediterranean diet (MedDiet). BACKGROUND: It has been proved that MedDiet is a useful tool in primary prevention of cardiovascular diseases. However, it is unknown whether adherence to MedDiet is associated with better outcomes in patients who have already experienced an episode of AHF. METHODS: We designed a prospective study that included consecutive patients diagnosed with AHF in 7 Spanish emergency departments (EDs). Patients were included if they or their relatives were able to answer a 14-point score of adherence to the MedDiet, which classified patients as adherents (>=9 points) or nonadherents (<=8 points). The primary endpoint was all-cause mortality at the end of follow-up, and secondary endpoints were 1-year ED revisit without hospitalization, rehospitalization, death, and a combined endpoint of all these variables for patients discharged after the index episode. Unadjusted and adjusted hazard ratios (HRs) were calculated. RESULTS: We included 991 patients (mean age of 80 +/- 10 years, 57.8% women); 523 (52.9%) of whom were adherent to the MedDiet. After a mean follow-up period of 2.1 +/- 1.3 years, no differences were observed in survival between adherent and nonadherent patients (HR of adherents [HRadh] = 0.86; 95% confidence interval [CI]: 0.73 to 1.02). The 1-year cumulative ED revisit for the whole cohort was 24.5% (HRadh = 1.10; 95% CI: 0.84 to 1.42), hospitalization 43.7% (HRadh = 0.74; 95% CI: 0.61 to 0.90), death 22.7% (HRadh = 1.05; 95% CI: 0.8 to 1.38), and combined endpoint 66.8% (HRadh = 0.89; 95% CI: 0.76 to 1.04). Adjustment by age, hypertension, peripheral arterial disease, previous episodes of AHF, treatment with statins, air-room pulsioxymetry, and need for ventilation support in the ED rendered similar results, with no statistically significant differences in mortality (HRadh = 0.94; 95% CI: 0.80 to 1.13) and persistence of lower 1-year hospitalization for adherents (HRadh = 0.76; 95% CI: 0.62 to 0.93). CONCLUSIONS: Adherence to the MedDiet did not influence long-term mortality after an episode of AHF, but it was associated with decreased rates of rehospitalization during the next year. PMID- 29226820 TI - Furosemide Reimagined: Novel Subcutaneous Formulation for a 50-Year-Old Loop Diuretic Agent for the Treatment of Acute Decompensated Heart Failure. PMID- 29226821 TI - Patterns of civilian and child deaths due to war-related violence in Syria: a comparative analysis from the Violation Documentation Center dataset, 2011-16. AB - BACKGROUND: Since March, 2011, the Syrian civil war has lowered life expectancy by as much as 20 years. We describe demographic, spatial, and temporal patterns of direct deaths of civilians and opposition combatants from conflict-related violence in 6 years of war. METHODS: We analysed conflict-related violent deaths with complete information on date, place, and cause of death and demographic group occurring from March 18, 2011, to Dec 31, 2016, recorded by the Violation Documentation Center (VDC). We included civilian and combatant deaths in all Syrian governorates, excluding government-controlled areas. We did not include detainees and missing persons, nor deaths from siege conditions or insufficient medical care. We categorised deaths based on VDC weapon type. We used chi2 testing to compare deaths from different weapons in civilian men, women, boys, and girls and adult and child combatants. We analysed deaths by governorate and over time. FINDINGS: The VDC recorded 143 630 conflict-related violent deaths with complete information between March 18, 2011, and Dec 31, 2016. Syrian civilians constituted 101 453 (70.6%) of the deaths compared with 42 177 (29.4%) opposition combatants. Direct deaths were caused by wide-area weapons of shelling and air bombardments in 58 099 (57.3%) civilians, including 8285 (74.6%) civilian women and 13 810 (79.4%) civilian children, and in 4058 (9.6%) opposition combatants. Proportions of children among civilian deaths increased from 8.9% (388 of 4254 civilian deaths) in 2011 to 19.0% (4927 of 25 972) in 2013 and to 23.3% (2662 of 11 444) in 2016. Of 7566 deaths from barrel bombs, 7351 (97.2%) were civilians, of whom 2007 (27.3%) were children. Of 20 281 deaths by execution, 18 747 (92.4%) were civilians and 1534 (7.6%) were opposition combatants. Compared with opposition child soldiers who were male (n=333), deaths of civilian male children (n=11 730) were caused more often by air bombardments (39.2% vs 5.4%, p<0.0001) and shelling (37.3% vs 13.2%, p<0.0001) and less often by shooting (12.5% vs 76.0%, p<0.0001). INTERPRETATION: Aerial bombing and shelling rapidly became primary causes of direct deaths of women and children and had disproportionate lethal effects on civilians, calling into question the use of wide-area explosive weapons in urban areas. Increased reliance on aerial bombing by the Syrian Government and international partners is likely to have contributed to findings that children were killed in increasing proportions over time, ultimately comprising a quarter of civilian deaths in 2016. The inordinate proportion of civilians among the executed is consistent with deliberate tactics to terrorise civilians. Deaths from barrel bombs were overwhelmingly civilian rather than opposition combatants, suggesting indiscriminate or targeted warfare contrary to international humanitarian law and possibly constituting a war crime. FUNDING: None. PMID- 29226822 TI - Documenting deaths in the Syrian war. PMID- 29226823 TI - Multisensory influence on eating behavior: Hedonic consumption. AB - Research in obesity has traditionally focused on prevention strategies and treatments aimed at changing lifestyle habits. However, recent research suggests that eating behavior is a habit regulated not only by homeostatic mechanisms, but also by the hedonic pathway that controls appetite and satiety processes. Cognitive, emotional, social, economic, and cultural factors, as well as organoleptic properties of food, are basic aspects to consider in order to understand eating behavior and its impact on health. This review presents a multisensory integrative view of food at both the homeostatic and non-homeostatic levels. This information will be of scientific interest to determine behavior drivers leading to overeating and, thus, to propose effective measures, at both the individual and population levels, for the prevention of obesity and associated metabolic diseases. PMID- 29226824 TI - mDixon-based texture analysis of an intraosseous lipoma: a case report and current review for the dental clinician. AB - An intraosseous lipoma is a rare histologic variant of lipoma, accounting for only 0.1% of all primary bone tumors. This may not be the actual incidence because most of these lesions are frequently asymptomatic, but imaging modalities, such as computed tomography or magnetic resonance imaging (MRI) seem to have increased the detection rate. Lipoma occasionally undergoes osseous metaplasia and becomes an osseous lipoma. Although there are numerous papers discussing intraosseous lipoma and some authors have tried to differentiate lipomas from osseous lipomas, there is still a great deal of confusion with regard to characteristic radiologic features and the use of terms. Use of the mDixon sequence in MRI could be an effective, noninvasive method of lesion detection and differential diagnosis. Texture analysis is a useful technique for capturing intratumoral characteristics. We report what is possibly the first use of the mDixon MRI sequence in the measurement of tumoral texture in a case of the extremely rare inferior nasal turbinate intraosseous lipoma in a 58-year-old female. We conclude that mDixon and texture analysis are helpful methods for differentiating intraosseous lipomas from other masses and confirming the benign characteristics of lipoma. Our review of head and neck intraosseous lipoma could be of particular interest to head and neck surgeons and dental clinicians. PMID- 29226826 TI - Prostate Magnetic Resonance Imaging Interpretation Varies Substantially Across Radiologists. AB - BACKGROUND: Multiparametric magnetic resonance imaging (mpMRI) interpreted by experts is a powerful tool for diagnosing prostate cancer. However, the generalizability of published results across radiologists of varying expertise has not been verified. OBJECTIVE: To assess variability in mpMRI reporting and diagnostic accuracy across radiologists of varying experience in routine clinical care. DESIGN, SETTING, AND PARTICIPANTS: Men who underwent mpMRI and MR-fusion biopsy between 2014-2016. Each MRI scan was read by one of nine radiologists using the Prostate Imaging Reporting and Data System (PIRADS) and was not re-read before biopsy. Biopsy histopathology was the reference standard. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Outcomes were the PIRADS score distribution and diagnostic accuracy across nine radiologists. We evaluated the association between age, prostate-specific antigen, PIRADS score, and radiologist in predicting clinically significant cancer (Gleason >=7) using multivariable logistic regression. We conducted sensitivity analyses for case volume and changes in accuracy over time. RESULTS AND LIMITATIONS: We analyzed data for 409 subjects with 503 MRI lesions. While the number of lesions (mean 1.2 lesions/patient) did not differ across radiologists, substantial variation existed in PIRADS distribution and cancer yield. The significant cancer detection rate was 3-27% for PIRADS 3 lesions, 23-65% for PIRADS 4, and 40-80% for PIRADS 5 across radiologists. Some 13-60% of men with a PIRADS score of <3 on MRI harbored clinically significant cancer. The area under the receiver operating characteristic curve varied from 0.69 to 0.81 for detection of clinically significant cancer. PIRADS score (p<0.0001) and radiologist (p=0.042) were independently associated with cancer in multivariable analysis. Neither individual radiologist volume nor study period impacted the results. MRI scans were not retrospectively re-read by all radiologists, precluding measurement of inter-observer agreement. CONCLUSIONS: We observed considerable variability in PIRADS score assignment and significant cancer yield across radiologists. We advise internal evaluation of mpMRI accuracy before widespread adoption. PATIENT SUMMARY: We evaluated the interpretation of multiparametric magnetic resonance imaging of the prostate in routine clinical care. Diagnostic accuracy depends on the Prostate Imaging Reporting and Data System score and the radiologist. PMID- 29226827 TI - Cutaneous leishmaniasis in Senegal: a series of 38 cases at the Aristide Le Dantec University Hospital in Dakar. AB - Our aims were to study the epidemiological, clinical, and parasitological aspects of cutaneous leishmaniasis in the dermatology department of the Aristide Le Dantec hospital. This retrospective study reviewed records of cases treated over a 4-year period (from April 2010 through April 2014) at the HALD Dermatology department. The study included all patients with cutaneous leishmaniasis during the study period. The diagnostic criteria were clinical, parasitological, and histological. The study included 38 patients, corresponding to 9.5 cases per year. Patients' average age was 25 years (4-65 years) and the sex ratio was 1.6. The mean time from symptom outset to consultation was 3.2 months. The disease was located in limbs in 23 cases (63.8%), the face in 6 cases (16.6%), and disseminated in 9 (19.6%). The clinical presentation was ulcerated and crusted in 17 patients (44.7%), sporotrichoid in 13 (28.9%), pseudo-lepromatous in 4 (10.5%), and lupoid in 3 cases (7.9 %). It included warts, mucosa, and tropical sores (Aleppo boils) in all cases. We observed 3 cases associated with HIV; one had a pseudo-lepromatous presentation and resulted from immune restoration syndrome, while two patients had clinical forms of associations: ulcerative and crusted lesions associated with mucosal leishmaniasis in a 55-year-old patient, and cutaneous ulcerative, lupoid, and crusted multifocal (cutaneous, medullary, and lymph nodes) lesions in a 4-year-old infected with Leishmania infantum. Crusted ulcerative cutaneous leishmaniasis is the predominant form of cutaneous leishmaniasis. Infection with HIV can be an important factor in clinical and parasitological atypia. PMID- 29226825 TI - Desacetyl-alpha-melanocyte stimulating hormone and alpha-melanocyte stimulating hormone are required to regulate energy balance. AB - OBJECTIVE: Regulation of energy balance depends on pro-opiomelanocortin (POMC) derived peptides and melanocortin-4 receptor (MC4R). Alpha-melanocyte stimulating hormone (alpha-MSH) is the predicted natural POMC-derived peptide that regulates energy balance. Desacetyl-alpha-MSH, the precursor for alpha-MSH, is present in brain and blood. Desacetyl-alpha-MSH is considered to be unimportant for regulating energy balance despite being more potent (compared with alpha-MSH) at activating the appetite-regulating MC4R in vitro. Thus, the physiological role for desacetyl-alpha-MSH is still unclear. METHODS: We created a novel mouse model to determine whether desacetyl-alpha-MSH plays a role in regulating energy balance. We engineered a knock in targeted QKQR mutation in the POMC protein cleavage site that blocks the production of both desacetyl-alpha-MSH and alpha MSH from adrenocorticotropin (ACTH1-39). RESULTS: The mutant ACTH1-39 (ACTHQKQR) functions similar to native ACTH1-39 (ACTHKKRR) at the melanocortin 2 receptor (MC2R) in vivo and MC4R in vitro. Male and female homozygous mutant ACTH1-39 (Pomctm1/tm1) mice develop the characteristic melanocortin obesity phenotype. Replacement of either desacetyl-alpha-MSH or alpha-MSH over 14 days into Pomctm1/tm1 mouse brain significantly reverses excess body weight and fat mass gained compared to wild type (WT) (Pomcwt/wt) mice. Here, we identify both desacetyl-alpha-MSH and alpha-MSH peptides as regulators of energy balance and highlight a previously unappreciated physiological role for desacetyl-alpha-MSH. CONCLUSIONS: Based on these data we propose that there is potential to exploit the naturally occurring POMC-derived peptides to treat obesity but this relies on first understanding the specific function(s) for desacetyl-alpha-MSH and alpha MSH. PMID- 29226828 TI - Cancer mortality in the urological department of the Sylvanus Olympio Teaching Hospital in Lome, Togo. AB - To determine the proportion of cancer mortality seen in the urology department of a teaching hospital in sub-Saharan Africa and to identify the contributing factors. This 10-year retrospective study took place in the urology department of the Sylvanus Olympio Teaching Hospital of Lome (Togo) and analyzed the records of patients who died of cancer from January 2006 through December 2015. During the study period, 94 deaths were recorded in the department, 84% of them due to a urological cancer. The mean age of patients was 62 years,- and there was a significant male predominance with a sex ratio of 4.3. Prostate cancer was the most common cause of death, accounting for 49 (62%) cases. The mean duration of symptoms was 2.4 months. At diagnosis, 75.9% of patients were metastatic and 66% had comorbidities, such as high blood pressure or diabetes. Palliative treatment was instituted for 87.3% of patients. Deterioration of their general condition was the immediate cause of death in 71% of cases. Urological cancers remain a challenge for specialists in Togo, especially because they are characterized by late presentation with diagnosis at the metastatic stage. Their prognosis is aggravated by the presence of comorbidities. PMID- 29226829 TI - Fertility preservation in young cancer patients as a springboard to address the needs of this unique population. PMID- 29226830 TI - Public access defibrillation: the road ahead. PMID- 29226831 TI - Public access defibrillation in Hong Kong in 2017. AB - The concept of public access defibrillation was proposed more than 20 years ago. Since then, various programmes have been implemented in many major cities although not all have been successful. Fourteen years ago, the question of whether Hong Kong needed public access defibrillation was raised. This article aimed to answer this question based on the best available evidence. Over the years, the clinical effectiveness of public access defibrillation in out-of hospital cardiac arrest has been proven. Nonetheless various studies have indicated that among others, cost-effectiveness, knowledge and attitudes of the public, and incidence of ventricular fibrillation are important factors that will affect the likelihood of success of such programmes. In Hong Kong, because of the long interval between recognition of arrest and first defibrillation, public access defibrillation is probably needed. To ensure the success of such a programme, careful planning in addition to the installation of more automated external defibrillators are essential. PMID- 29226832 TI - The current treatment landscape of irritable bowel syndrome in adults in Hong Kong: consensus statements. AB - OBJECTIVE: The estimated prevalence of irritable bowel syndrome in Hong Kong is 6.6%. With the increasing availability of pharmacological and non-pharmacological treatments, the Hong Kong Advisory Council on Irritable Bowel Syndrome has developed a set of consensus statements intended to serve as local recommendations for clinicians about diagnosis and management of irritable bowel syndrome. PARTICIPANTS: A multidisciplinary group of clinicians constituting the Hong Kong Advisory Council on Irritable Bowel Syndrome-seven gastroenterologists, one clinical psychologist, one psychiatrist, and one nutritionist-convened on 20 April 2017 in Hong Kong. EVIDENCE: Published primary research articles, meta analyses, and guidelines and consensus statements issued by different regional and international societies on the diagnosis and management of irritable bowel syndrome were reviewed. CONSENSUS PROCESS: An outline of consensus statements was drafted prior to the meeting. All consensus statements were finalised by the participants during the meeting, with 100% consensus. CONCLUSIONS: Twenty-four consensus statements were generated at the meeting. The statements were divided into four parts covering: (1) patient assessment; (2) patient's psychological distress; (3) dietary and alternative approaches to managing irritable bowel syndrome; and (4) evidence to support pharmacological management of irritable bowel syndrome. It is recommended that primary care physicians assume the role of principal care provider for patients with irritable bowel syndrome. The current statements are intended to guide primary care physicians in diagnosing and managing patients with irritable bowel syndrome in Hong Kong. PMID- 29226833 TI - Feasibility of short double-balloon enteroscopy-assisted endoscopic retrograde cholangiopancreatography in patients with surgically altered gastrointestinal anatomy: experience in a regional centre. PMID- 29226834 TI - Portomesenteric vein thrombosis following laparoscopic sleeve gastrectomy in a Chinese patient. PMID- 29226835 TI - Is it an orbital foreign body? PMID- 29226836 TI - Cutaneous manifestation mimicking Stevens-Johnson syndrome in a critically ill patient: looks similar but totally different. PMID- 29226838 TI - Protection of rescuers in emergency care: where does Hong Kong stand? PMID- 29226837 TI - Nephrolithiasis associated with the use of topiramate in children. PMID- 29226839 TI - Opt-in or opt-out: that is not the question. PMID- 29226840 TI - Challenges to the adoption of risk algorithms for colorectal cancer screening programmes: perspectives for future research. PMID- 29226841 TI - Missing key factors in nutritional assessment and bone density in children with eczema. PMID- 29226842 TI - Authors' reply: Missing key factors in nutritional assessment and bone density in children with eczema. PMID- 29226843 TI - 2-oxo-PCE: ketamine analogue on the streets. PMID- 29226844 TI - An intelligent 1:2 demultiplexer as an intracellular theranostic device based on DNA/Ag cluster-gated nanovehicles. AB - The logic device demultiplexer can convey a single input signal into one of multiple output channels. The choice of the output channel is controlled by a selector. Several molecules and biomolecules have been used to mimic the function of a demultiplexer. However, the practical application of logic devices still remains a big challenge. Herein, we design and construct an intelligent 1:2 demultiplexer as a theranostic device based on azobenzene (azo)-modified and DNA/Ag cluster-gated nanovehicles. The configuration of azo and the conformation of the DNA ensemble can be regulated by light irradiation and pH, respectively. The demultiplexer which uses light as the input and acid as the selector can emit red fluorescence or a release drug under different conditions. Depending on different cells, the intelligent logic device can select the mode of cellular imaging in healthy cells or tumor therapy in tumor cells. The study incorporates the logic gate with the theranostic device, paving the way for tangible applications of logic gates in the future. PMID- 29226845 TI - Synthesis, structure and magnetism of the new S = 1 kagome magnet NH4Ni2.5V2O7(OH)2?H2O. AB - Kagome antiferromagnets (KAFMs) have long been known to host exotic electronic states due to their strong geometric frustration, including the quantum spin liquid state in [Formula: see text] systems. Away from that limit, S = 1 KAFMs are also predicted to host unconventional ground states such as spin nematic phases, but a paucity of studies on known model materials has restricted progress. Here, we present the crystal structure and preliminary magnetization measurements on the newly synthesized S = 1 KAFM, NH4Ni2.5V2O7(OH)[Formula: see text]H2O, which has the three-fold symmetry of the kagome lattice but significant site depletion, with ~[Formula: see text] site occupancy. Bulk magnetic data show clear evidence of frustration and competition between ferromagnetic and antiferromagnetic interactions. We propose that the magnetic Hamiltonian is frustrated and that anisotropic terms cause the formation of an unconventional ground state. PMID- 29226846 TI - Magneto-plasmonic Au-Coated Co nanoparticles synthesized via hot-injection method. AB - A synthetic procedure is described for the obtaining of superparamagnetic Co nanoparticles (NPs) via hot-injection method in the presence of sodium borohydride. The Co NPs obtained have an average diameter of 5.3 nm and saturation magnetization of 115 emu g-1. A modified Langevin equation is fitted to the magnetization curves using a log-normal distribution for the particle diameter and an effective field to account for dipolar interactions. The calculated magnetic diameter of the Co NPs is 0.6 nm smaller than TEM-derived values, implying a magnetic dead layer of 0.3 nm. The magnetic core is coated with Au to prevent oxidation, resulting in water-stable magneto-plasmonic Co/Au core/shell NPs with saturation of 71.6 emu g-1. The coating adds a localized surface plasmon resonance property with absorbance in the so-called 'therapeutic window' (690-900 nm), suitable for biomedical applications. It is suggested that these multifunctional NPs are distinguished as a potential platform for applied and fundamental research. PMID- 29226847 TI - Composition and diameter modulation of magnetic nanowire arrays fabricated by a novel approach. AB - Straight magnetic nanowires composed of nickel and permalloy segments having different diameters are synthesized using a promising approach. This approach involves the controlled electrodeposition of each magnetic material into specially designed diameter-modulated porous alumina templates. Standard alumina templates are exposed to pore widening followed by a protective coating of the pore wall with ultrathin silica and further anodization. Micromagnetic simulations are employed to investigate the process of magnetization reversal in the fabricated nanowires when the magnetic materials exchange their places in the thick and thin segments. It is found that the magnetization reversal occurs by the propagation of transverse domain wall (DW) when the thick segment is composed of permalloy. However, the reversal process proceeds by the propagation of vortex DW when permalloy is located at the thin segment. PMID- 29226848 TI - Adsorption of triazine herbicides from aqueous solution by functionalized multiwall carbon nanotubes grown on silicon substrate. AB - Multi-walled carbon nanotubes (MWCNTs), because of their small size and large available surface area, are potentially efficient sorbents for the extraction of water solutes. Dispersion of MWCNTs in aqueous medium is suitable to adsorb organic contaminants from small sample volumes, but, the recovery of the suspended sorbent for successive re-use represents a critical step, which makes this method inapplicable in large-scale water-treatment technologies. To overcome this problem, we proposed here MWCNTs grown on silicon supports and investigated on a small-volume scale their adsorption properties towards triazine herbicides dissolved in water. The adsorption efficiency of the supported MWCNTs has been tested on seven triazine herbicides, which are emerging water contaminants in Europe and USA, because of their massive use, persistence in soils and potential risks for the aquatic organisms and human health. The investigated compounds, in spite of their common molecular skeleton, cover a relatively large property range in terms of both solubility in water and hydrophilicity/hydrophobicity. The functionalisation of MWCNTs carried out by acidic oxidation, apart from increasing wettability of the material, results in a better adsorption performance. Increasing of functionalisation time between 17 and 60 h progressively increases the extraction of all seven pesticides and produces a moderate increment of selectivity. PMID- 29226850 TI - Temperature dependent infrared nano-imaging of La0.67Sr0.33MnO3 thin film. AB - We investigate the temperature dependence of infrared properties at nanometer length scales in La0.67Sr0.33MnO3 (LSMO) thin film with a thickness of 47 unit cells grown on SrTiO3 substrate. The infrared nano-imaging experiments were performed using a near-field optical microscope in conjunction with a variable temperature heating stage. The near-field infrared data is consistent with the bulk of the LSMO film undergoing the thermally-driven non-percolative second order transition from a metallic, ferromagnetic phase to an insulating, paramagnetic phase. We find persistent infrared contrast on the nanoscale that is independent of temperature and which we attribute to two novel phases with different conductivities coexisting in the vicinity of the film-substrate interface. These two coexisting phases at the film-substrate interface do not undergo the metal-insulator transition (MIT) and hence are different from the metallic, ferromagnetic and insulating, paramagnetic phases in the bulk of the film. At temperatures approaching the nominal MIT temperature, repeated scans of the same microscopic area at constant temperature reveal bimodal fluctuation of the near-field infrared amplitude. We interpret this phenomenon as slow, critical fluctuations of the conductivity in the bulk of the LSMO film. PMID- 29226849 TI - Assessment of global and local region-based bilateral mammographic feature asymmetry to predict short-term breast cancer risk. AB - This study aims to develop and test a new imaging marker-based short-term breast cancer risk prediction model. An age-matched dataset of 566 screening mammography cases was used. All 'prior' images acquired in the two screening series were negative, while in the 'current' screening images, 283 cases were positive for cancer and 283 cases remained negative. For each case, two bilateral cranio caudal view mammograms acquired from the 'prior' negative screenings were selected and processed by a computer-aided image processing scheme, which segmented the entire breast area into nine strip-based local regions, extracted the element regions using difference of Gaussian filters, and computed both global- and local-based bilateral asymmetrical image features. An initial feature pool included 190 features related to the spatial distribution and structural similarity of grayscale values, as well as of the magnitude and phase responses of multidirectional Gabor filters. Next, a short-term breast cancer risk prediction model based on a generalized linear model was built using an embedded stepwise regression analysis method to select features and a leave-one-case-out cross-validation method to predict the likelihood of each woman having image detectable cancer in the next sequential mammography screening. The area under the receiver operating characteristic curve (AUC) values significantly increased from 0.5863 +/- 0.0237 to 0.6870 +/- 0.0220 when the model trained by the image features extracted from the global regions and by the features extracted from both the global and the matched local regions (p = 0.0001). The odds ratio values monotonically increased from 1.00-8.11 with a significantly increasing trend in slope (p = 0.0028) as the model-generated risk score increased. In addition, the AUC values were 0.6555 +/- 0.0437, 0.6958 +/- 0.0290, and 0.7054 +/- 0.0529 for the three age groups of 37-49, 50-65, and 66-87 years old, respectively. AUC values of 0.6529 +/- 0.1100, 0.6820 +/- 0.0353, 0.6836 +/- 0.0302 and 0.8043 +/- 0.1067 were yielded for the four mammography density sub-groups (BIRADS from 1-4), respectively. This study demonstrated that bilateral asymmetry features extracted from local regions combined with the global region in bilateral negative mammograms could be used as a new imaging marker to assist in the prediction of short-term breast cancer risk. PMID- 29226851 TI - Main problems and suggested solutions for improving radiation protection in medicine in Ibero-American countries. Summary of an International Conference held in Madrid, 2016. AB - During the International Conference on Radiation Protection in Medicine held in Bonn in 2012, several areas for improvement were identified, including specific actions related with justification, optimization, role of manufacturers, radiation protection education and training, strategic research, data collection on medical and occupational exposures, prevention of incidents and accidents, radiation safety culture, risk-benefit dialogue and implementation of the radiation safety standards. The outcomes of the Bonn Conference were summarized in the so-called 'Bonn Call for Action', identifying 10 priority actions to enhance RP in medicine. Trying to analyse the progress in the implementation of this 'Call for Action' in the Ibero-American region, several international organizations organized the 'Ibero-American Conference on Radiation Protection in Medicine' (Conferencia Iberoamericana sobre Proteccion Radiologica en Medicina, CIPRaM) held in Madrid, in October 2016. CIPRaM was structured in eight thematic sessions dealing with: diagnostic and dental radiology, image guided interventional radiology, nuclear medicine, radiation therapy, health authorities and radiation protection regulators, professional associations of technologists and nurses, professional associations of medical physicists and radiation protection experts, and universities and researchers in radiation protection in medicine. This paper summarizes the main results of that Conference based on the consensus achieved about main problems, solutions, and indicators to evaluate the implementation of the proposed solutions. PMID- 29226852 TI - Divergent effect of electric fields on the mechanical property of water-filled carbon nanotubes with an application as a nanoscale trigger. AB - Polar water molecules exhibit extraordinary phenomena under nanoscale confinement. Through the application of an electric field, a water-filled carbon nanotube (CNT) that has been successfully fabricated in the laboratory is expected to have distinct responses to the external electricity. Here, we examine the effect of electric field direction on the mechanical property of water-filled CNTs. It is observed that a longitudinal electric field enhances, but the transverse electric field reduces the elastic modulus and critical buckling stress of water-filled CNTs. The divergent effect of the electric field is attributed to the competition between the axial and circumferential pressures induced by polar water molecules. Furthermore, it is notable that the transverse electric field could result in an internal pressure with elliptical distribution, which is an effective and convenient approach to apply nonuniform pressure on nanochannels. Based on pre-strained water-filled CNTs, we designed a nanoscale trigger with an evident and rapid height change initiated by switching the direction of the electric field. The reported finding provides a foundation for an electricity-controlled property of nanochannels filled with polar molecules and provides an insight into the design of nanoscale functional devices. PMID- 29226853 TI - Clinical and RNA expression integrated signature for urothelial bladder cancer prognosis. AB - BACKGROUND: Accumulating evidence shows that clinical factors alone are not adequate for predicting the survival of patients with urothelial bladder cancer (UBC), and many genes have been found to be associated with UBC prognosis. PURPOSE: The objective of this study is to develop a signature which integrates clinical and molecular information to predict the overall survival of UBC patients more accurate. MATERIALS AND METHODS: We integrated messenger RNA (mRNA) and microRNA (miRNA) expression profiles and the corresponding clinical data of 402 UBC patients and 19 normal controls from The Cancer Genome Atlas. Univariate Cox regression followed by a multiple testing correction and an elastic net regulated Cox regression were adopted to identify a prognostic signature. RESULTS: We generated an integrated clinical-RNA signature which consisting of 3 clinical variables, 3 protective mRNAs, 7 risky mRNAs, 2 protective miRNAs and 1 risky miRNA. The area under the receiver operating characteristic curve of the integrated clinical-RNA signature was 0.802, larger than that of the clinical alone signature (0.709) or the RNA-alone signature (0.726). UBC patients in the high-risk group had a significantly shorter overall survival time compared with patients in the low-risk group (clinical-RNA signature, hazard ratio = 2.441). CONCLUSIONS: Our conclusions that we have identified an integrated clinical-RNA signature that was superior to the traditional clinical-alone signature for ascertaining the overall survival prognosis of patients with UBC. These findings provide some novel genes for tumor molecular biologist to further study their functions and mechanisms in UBC tumorigenesis and malignance, and may be useful for effective clinical risk management of UBC patients. PMID- 29226854 TI - Diagnostic and prognostic relevance of serum miR-195 in pediatric acute myeloid leukemia. AB - BACKGROUND: MicroRNA-195 acts as a tumor suppressor in a variety of cancers. However, its clinical significance in pediatric acute myeloid leukemia (AML) remains largely undefined. OBJECTIVE: To investigate the diagnostic and prognostic relevance of miR-195 in this malignancy. METHODS: Expression levels of miR-195 in peripheral blood and bone marrow samples of patients with pediatric AML and normal controls were detected by real-time quantitative PCR. Then, receiver-operating characteristic (ROC) curve analysis, Kaplan-Meier method, and Cox regression analysis were performed to evaluate the diagnostic and prognostic relevance of serum miR-195 in pediatric AML. RESULTS: Compared to normal controls, the expression levels of miR-195 in both bone marrow and patients' sera were significantly decreased (both P< 0.001). In addition, serum miR-195 had an optimal diagnostic cut-off point (2.09) for pediatric AML with sensitivity of 68.87% and specificity of 96.23%. The area under the ROC curve (AUC) based on serum miR-195 was 0.910. Moreover, patients with low serum miR-195 level more often had French-American-British classification subtype M7 (P= 0.02), unfavorable karyotypes (P= 0.01), and shorter relapse-free and overall survivals (both P= 0.001) than those with high serum miR-195 level. Furthermore, the multivariate analysis identified serum miR-195 level as an independent prognostic factor for both relapse-free and overall survivals. CONCLUSION: The findings of this study suggest that the aberrant expression of miR-195 may play crucial roles in the development and progression of pediatric AML patients. Serum miR-195 may serve as a promising marker for monitoring the occurrence of this disease and predicting the clinical outcome of patients. PMID- 29226855 TI - Knockdown of long noncoding RNA FGFR3- AS1 induces cell proliferation inhibition, apoptosis and motility reduction in bladder cancer. AB - OBJECTIVES: To study the expression pattern of long non-coding RNA FGFR3 antisense transcript 1(FGFR3-AS1) and the cell proliferation inhibition, apoptosis, and motility changes induced by silencing FGFR3-AS1 in bladder cancer. METHODS: The differential expression levels of FGFR3-AS1 and FGFR3 in tumor tissues and paired normal tissues were determined using Real-Time qPCR in a total of 36 patients diagnosed with bladder cancer (urothelial carcinoma). Pearson's coefficient correlation was used for expression correlation assay. Expression differences of FGFR3-AS1 were analyzed according to grading and staging. FGFR3 protein was detected by western blot assay. Human bladder cancer T24 and 5637 cell lines were transiently transfected with FGFR3-AS1-specific siRNA or negative control siRNA. The cell proliferation changes of transfected bladder cancer cells were determined using CCK-8 assay. Apoptosis caused by knockdown of FGFR3-AS1 was evaluated using ELISA assay. Motility changes induced by knockdown of FGFR3-AS1 were measured using wound healing assay and transwell assay. RESULTS: Both FGFR3 AS1 and FGFR3 were overexpressed in bladder cancer tissues compared to matched normal tissues. They were also positively expressed in bladder cancer. FGFR3-AS1 expression levels were higher in high grade tumors than those in low grade tumors. FGFR3-AS1 expression levels were higher in invasive tumors than those in non-invasive tumors. Cell proliferation inhibition, increased apoptosis, and decreased motility were observed in FGFR3-AS1 siRNA-transfected T24 and 5637 cell lines. CONCLUSIONS: FGFR3-AS1 plays an oncogenic role in human bladder cancer. Knockdown of FGFR3-AS1 may provide a potential new therapeutic approach to this disease. PMID- 29226856 TI - Endocrine gland-derived vascular endothelial growth factor (EG-VEGF) and its receptor PROKR2 are associated to human colorectal cancer progression and peritoneal carcinomatosis. AB - BACKGROUND: The highest risk factor for mortality among malignant tumors is metastasis. Endocrine gland-derived vascular endothelial growth factor (EG-VEGF) is an angiogenic factor which biological activity is mediated via two G protein coupled receptors, prokineticin receptor1 (PROKR1) and PROKR2. Recent studies suggested that EG-VEGF expression is deregulated in multiple cancers including colorectal cancer (CRC). METHODS: Using distinctive CRC and peritoneal carcinomatosis (PC) cohorts and a corresponding control cohort, we determined the circulating levels of EG-VEGF and its in situ expression, and that of its related receptors. RESULTS: Circulating EG-VEGF levels were significantly increased in patients with metastatic PC compared to CRC and control patients (p< 0.05). Furthermore, according to clinicopathologic examinations, local EG-VEGF expression correlated with higher tumor and nodal stages (p< 0.001) of CRC. EG VEGF and PROKR2 were highly expressed in colorectal primary lesions compared to positive controls. PROKR1 expression was lower and did not change in tumor specimens. Also, EG-VEGF and its receptor PROKR2 were differentially expressed in the colorectal primary lesions and in the control groups. CONCLUSION: Altogether these findings suggest that EG-VEGF/receptors system might be an important actor in the CRC progression into PC and might be involved in the ability of tumor cells to invade other organs. Circulating EG-VEGF could be proposed as a prognostic marker in human CRC and its progression into PC. PMID- 29226857 TI - Prostate cancer detection using machine learning techniques by employing combination of features extracting strategies. AB - Prostate is a second leading causes of cancer deaths among men. Early detection of cancer can effectively reduce the rate of mortality caused by Prostate cancer. Due to high and multiresolution of MRIs from prostate cancer require a proper diagnostic systems and tools. In the past researchers developed Computer aided diagnosis (CAD) systems that help the radiologist to detect the abnormalities. In this research paper, we have employed novel Machine learning techniques such as Bayesian approach, Support vector machine (SVM) kernels: polynomial, radial base function (RBF) and Gaussian and Decision Tree for detecting prostate cancer. Moreover, different features extracting strategies are proposed to improve the detection performance. The features extracting strategies are based on texture, morphological, scale invariant feature transform (SIFT), and elliptic Fourier descriptors (EFDs) features. The performance was evaluated based on single as well as combination of features using Machine Learning Classification techniques. The Cross validation (Jack-knife k-fold) was performed and performance was evaluated in term of receiver operating curve (ROC) and specificity, sensitivity, Positive predictive value (PPV), negative predictive value (NPV), false positive rate (FPR). Based on single features extracting strategies, SVM Gaussian Kernel gives the highest accuracy of 98.34% with AUC of 0.999. While, using combination of features extracting strategies, SVM Gaussian kernel with texture + morphological, and EFDs + morphological features give the highest accuracy of 99.71% and AUC of 1.00. PMID- 29226858 TI - The clinical significance of the combined detection of serum Smac, HE4 and CA125 in endometriosis-associated ovarian cancer. AB - OBJECTIVE: This study aims to investigate the clinical significance of serum Smac, HE4 and CA125 alone or combined for detecting endometriosis-associated ovarian cancer (EAOC). METHODS: The level of serum Smac, HE4 and CA125 in 40 healthy controls, 40 cases of benign endometriosis ovarian tumor, and 60 cases of EAOC were detected by ELISA and electrochemical immune method. RESULTS: Serum Smac expression level was significantly lower in the EAOC group than in the control group and benign ovarian tumor group (P< 0.05), while HE4 and CA125 expression levels were significantly higher in the EAOC group than the other two groups. The sensitivity of Smac single detection was up to 91.67%, and the specificity of HE4 was up to 98.75%. Furthermore, the sensitivity of Smac + HE4 + CA125 combined was the highest, which reached up to 98.33%; but the specificity was low, which reached up to 75%. The serum expression level differences before and after surgery were statistically significant. As the number of chemotherapies increases, the Smac level increased, and HE4 and CA125 levels gradually decreased. Furthermore, Smac increased to normal at the end of the 2nd period of chemotherapy, while HE4 and CA125 decreased to normal in 2nd and 3rd period of chemotherapy, respectively. CONCLUSION: Serum Smac, HE4 and CA125 may play an important role in predicting EAOC and in monitoring the prognosis of postoperative EAOC. PMID- 29226860 TI - A hybrid multiscale model for investigating tumor angiogenesis and its response to cell-based therapy. AB - Angiogenesis, a formation of blood vessels from an existing vasculature, plays a key role in tumor growth and its progression into cancer. The lining of blood vessels consists of endothelial cells (ECs) which proliferate and migrate, allowing the capillaries to sprout towards the tumor to deliver the needed oxygen. Various treatments aiming to suppress or even inhibit angiogenesis have been explored. Mesenchymal stem cells (MSCs) have recently been undergoing development in cell-based therapy for cancer due to their ability to migrate towards the capillaries and induce the apoptosis of the ECs, causing capillary degeneration. However, further investigations in this direction are needed as it is usually difficult to preclinically assess the efficacy of such therapy. We develop a hybrid multiscale model that integrates molecular, cellular, tissue and extracellular components of tumor system to investigate angiogenesis and tumor growth under MSC-mediated therapy. Our simulations produce angiogenesis and vascular tumor growth profiles as observed in the experiments. Furthermore, the simulations show that the effectiveness of MSCs in inducing EC apoptosis is density dependent and its full effect is reached within several days after MSCs application. Quantitative agreements with experimental data indicate the predictive potential of our model for evaluating the efficacy of cell-based therapies targeting angiogenesis. PMID- 29226859 TI - Identification of mannose receptor and CD163 as novel biomarkers for colorectal cancer. AB - The aim of present study was to investigate the clinical significances of mannose receptor (MR) and CD163 in colorectal cancer (CRC). Enzyme-linked immunosorbent assay (ELISA) and immunohistochemistry (IHC) were utilized for this analysis. Preoperative serum MR and CD163 levels ranged from 0.153 to 0.804 MUg/ml (median = 0.359 MUg/ml) and from 0.319 to 1.314 MUg/ml (median = 0.685 MUg/ml) in CRC patients respectively. Strikingly, preoperative serum levels of MR and CD163 were significantly increased in CRC patients than in healthy individuals (P< 0.0001). ROC analyses suggested that the optimum diagnostic cut-offs for serum MR and CD163 were 0.3485 MUg/ml (AUC 0.7205, sensitivity 54.82%, and specificity 80.46%) and 0.6111 MUg/ml (AUC 0.7463, sensitivity 62.65%, and specificity 80.46%) respectively. Detection of serum MR and CD163 together obviously enhanced the diagnostic accuracy (AUC 0.7968, sensitivity 69.28%, and specificity 77.01%). Then, preoperative serum MR and CD163 levels correlated significantly with serum CEA, CA19-9 and CA72-4 concentrations in CRC patients (P< 0.05). High MR and CD163 expression in serum was associated significantly with shorter overall survival (P< 0.05) and demonstrated as adversely prognostic factors (P< 0.05). Further, expression of MR and CD163 in CRC tissues was significantly higher than that in para-cancer tissues (P< 0.001). High expression of MR and CD163 in CRC tissues also correlated significantly with shorter overall survival (P< 0.05). MR and CD163 expression in serum or CRC tissues all correlated positively with the degree of lymphatic metastasis (P< 0.0001). In conclusion, MR and CD163 may be novel biomarkers for CRC patients. PMID- 29226861 TI - Neuroanatomical Comparison of the "Word" and "Picture" Versions of the Free and Cued Selective Reminding Test in Alzheimer's Disease. AB - Episodic memory tests with cued recall, such as the Free and Cued Selective Reminding Test (FCSRT), allow for the delineation of hippocampal and prefrontal atrophy contributions to memory performance in Alzheimer's disease (AD). Both Word and Picture versions of the test exist but show different profiles, with the Picture version usually scoring higher across different cohorts. One possible explanation for this divergent performance between the different modality versions of the test might be that they rely on different sets of neural correlates. The current study explores this by contrasting the neural correlates of the Word and Picture versions of the FCSRT with voxel-based morphometry (VBM) in AD and healthy subjects. We predicted that the Picture version would be associated with different cortical regions than the Word version, which might be more hippocampal-centric. When comparing 35 AD patients and 34 controls, AD patients exhibited impairments on both versions of the FCSRT and both groups performed higher in the Picture version. A region of interest analysis based on prior work revealed significant correlations between free recall of either version with atrophy of the temporal pole and hippocampal regions. Thus, contrary to expectations, performance on both the Word and the Picture version of the FCSRT is associated with largely overlapping networks. Free recall is associated with hippocampal volume and might be properly considered as an indicator of hippocampal structural integrity. PMID- 29226862 TI - The Rationale and Design of the Reducing Pathology in Alzheimer's Disease through Angiotensin TaRgeting (RADAR) Trial. AB - BACKGROUND: Anti-hypertensives that modify the renin angiotensin system may reduce Alzheimer's disease (AD) pathology and reduce the rate of disease progression. OBJECTIVE: To conduct a phase II, two arm, double-blind, placebo controlled, randomized trial of losartan to test the efficacy of Reducing pathology in Alzheimer's Disease through Angiotensin TaRgeting (RADAR). METHODS: Men and women aged at least 55 years with mild-to-moderate AD will be randomly allocated 100 mg encapsulated generic losartan or placebo once daily for 12 months after successful completion of a 2-week open-label phase and 2-week placebo washout to establish drug tolerability. 228 participants will provide at least 182 subjects with final assessments to provide 84% power to detect a 25% difference in atrophy rate (therapeutic benefit) change over 12 months at an alpha level of 0.05. We will use intention-to-treat analysis, estimating between group differences in outcomes derived from appropriate (linear or logistic) multivariable regression models adjusting for minimization variables. RESULTS: The primary outcome will be rate of whole brain atrophy as a surrogate measure of disease progression. Secondary outcomes will include changes to 1) white matter hyperintensity volume and cerebral blood flow; 2) performance on a standard series of assessments of memory, cognitive function, activities of daily living, and quality of life. Major assessments (for all outcomes) and relevant safety monitoring of blood pressure and bloods will be at baseline and 12 months. Additional cognitive assessment will also be conducted at 6 months along with safety blood pressure and blood monitoring. Monitoring of blood pressure, bloods, and self-reported side effects will occur during the open-label phase and during the majority of the post-randomization dispensing visits. CONCLUSION: This study will identify whether losartan is efficacious in the treatment of AD and whether definitive Phase III trials are warranted. PMID- 29226863 TI - Associations between Use of Specific Analgesics and Concentrations of Amyloid beta 42 or Phospho-Tau in Regions of Human Cerebral Cortex. AB - Analgesics are commonly used by older adults, raising the question of whether their use might contribute to dementia risk and neuropathologic changes of Alzheimer's disease (AD). The Adult Changes in Thought (ACT) study is a population-based study of brain aging and incident dementia among people 65 years or older who are community dwelling and not demented at entry. Amyloid-beta (Abeta)42 and phospho-tau were quantified using Histelide in regions of cerebral cortex from 420 brain autopsies. Total standard daily doses of prescription opioid and non-aspirin nonsteroidal anti-inflammatory drug (NSAID) exposure during a defined 10-year exposure window were identified using automated pharmacy dispensing data and used to classify people as having no/low, intermediate, or high exposure. People with high NSAID exposure had significantly greater Abeta42 concentration in middle frontal gyrus and superior and middle temporal gyri, but not inferior parietal lobule; no Abeta42 regional concentration was associated with prescription opioid usage. People with high opioid usage had significantly greater concentration of phospho-tau in middle frontal gyrus than people with little-to-no opioid usage. Consistent with our previous studies, findings suggest that high levels of NSAID use in older individuals may promote Abeta42 accumulation in cerebral cortex. PMID- 29226864 TI - Cardiorespiratory Fitness and White Matter Neuronal Fiber Integrity in Mild Cognitive Impairment. AB - BACKGROUND: Mounting evidence showed the self-reported levels of physical activity are positively associated with white matter (WM) integrity and cognitive performance in normal adults and patients with mild cognitive impairment (MCI). However, the objective measure of cardiorespiratory fitness (CRF) was not used in these studies. OBJECTIVE: To determine the associations of CRF measured by maximal oxygen uptake (VO2max) with WM fiber integrity and neurocognitive performance in older adults with MCI. METHODS: Eighty-one participants (age = 65+/-7 years, 43 women), including 26 cognitively normal older adults and 55 amnestic MCI patients, underwent VO2max test to measure CRF, diffusion tensor imaging (DTI) to assess WM fiber integrity, and neurocognitive assessment focused on memory and executive function. DTI data were analyzed by the tract-based spatial statistics and region-of-interest approach. RESULTS: Cognitively normal older adults and MCI patients were not different in global WM fiber integrity and VO2max. VO2max was associated positively with DTI metrics of fractional anisotropy in ~54% WM fiber tracts, and negatively with mean and radial diffusivities in ~46% and ~56% of the WM fiber tracts. The associations of VO2max with DTI metrics remained statistically significant after adjustment of age, sex, body mass index, WM lesion burden, and MCI status. The DTI metrics obtained from the area that correlated to VO2max were associated with executive function performance in MCI patients. CONCLUSIONS: Higher levels of CRF are associated with better WM fiber integrity, which in turn is correlated with better executive function performance in MCI patients. PMID- 29226865 TI - SIRT1 Deacetylates SC35 and Suppresses Its Function in Tau Exon 10 Inclusion. AB - Approximately equal amounts of 3R-tau and 4R-tau resulting from alternative splicing of tau exon 10 is necessary to maintain normal brain function. Dysregulation of alternative splicing of tau exon 10 and the imbalance of 3R tau/4R-tau have been seen in inherited and sporadic tauopathies. Splicing factor SC35 (also name as SRSF2) plays an important role in promoting tau exon 10 inclusion. SC35 is post-translationally modified by phosphorylation and acetylation, but the role of acetylation in SC35-medicated tau exon 10 inclusion is unknown. Sirtuin type 1 (SIRT1) is an enzyme that deacetylates proteins and associates with age-related disease such as Alzheimer's disease. In the present study, we determined the role of SIRT1 in SC35 acetylation and in the alternative splicing of tau exon 10. We found that SIRT1 interacts with and deacetylates SC35, and inhibits SC35-promoted tau exon 10 inclusion. Substituting K52 residue of SC35 by arginine impairs the role of SC35 in tau exon 10 inclusion. These results suggest that SIRT1 may serve as a therapeutic target for tauopathy by regulating SC35-mediated tau exon 10 splicing. PMID- 29226866 TI - 11C-CFT-PET in Presymptomatic FTDP-17: A Potential Biomarker Predicting Onset. AB - Frontotemporal dementia with parkinsonism-linked to chromosome 17 (FTDP-17) is a rare autosomal dominant neurodegenerative disorder. Most patients with FTDP-17 carry the mutation in the microtubule-associated protein tau (MAPT) gene. Striatum is predominantly and early affected in FTDP-17. Five family members (two symptomatic patients and three presymptomatic mutation carriers) from a Chinese pedigree of FTDP-17 with N279K mutation in MAPT were enrolled. Parkinsonism was the initial symptom for symptomatic patients. 2b-carbomethoxy-3b-(4 trimethylstannylphenyl) tropane (11C-CFT) uptake was obviously affected in the putamen of two presymptomatic mutation carriers. Presymptomatic case 3, whose 11C CFT uptake in the right putamen was normal at baseline, was still free of parkinsonism during follow-up. In conclusion, 11C-CFT-positron emission tomography could be a potential biomarker for the presymptomatic stage of FTDP-17 to predict the disease onset. PMID- 29226867 TI - An Objective Method to Accurately Measure Cardiorespiratory Fitness in Older Adults Who Cannot Satisfy Widely Used Oxygen Consumption Criteria. AB - Cardiorespiratory fitness (CRF) is routinely investigated in older adults; however, the most appropriate CRF measure to use for this population has received inadequate attention. This study aimed to 1) evaluate the reliability and validity of the oxygen uptake efficiency slope (OUES) as a sub-maximal measurement of CRF; 2) examine demographic, risk-factor, and exercise testing differences in older adults who satisfied standardized criteria for a peak oxygen consumption (VO2peak) test compared to those who did not; and 3) determine the difference between directly measured VO2peak values and OUES-predicted VO2peak values. One hundred ten enrollees from the Wisconsin Registry for Alzheimer's Prevention participated in this study. Participants performed a graded maximal exercise test and wore an accelerometer for 7 days. For each participant, the OUES was calculated at 75%, 90%, and 100% of exercise duration. VO2peak was recorded at peak effort, and one week of physical activity behavior was measured. OUES values calculated at separate relative exercise durations displayed excellent reliability (ICC = 0.995; p < 0.001), and were strongly correlated with VO2peak (rrange = 0.801-0.909; p < 0.001). As hypothesized, participants who did not satisfy VO2peak criteria were significantly older than those who satisfied criteria (p = 0.049) and attained a directly measured VO2peak that was 2.31 mL.kg.min-1 less than the value that was predicted by OUES VO2peak (p = 0.003). Older adults are less likely to satisfy VO2peak criteria, which results in an underestimation of their CRF. Without adhering to standardized criteria, VO2peak measurement error may lead to misinterpretation of CRF and age-related associations. Here, we conclude that OUES is a reliable, valid measurement of CRF which does not require achievement of standardized criteria. PMID- 29226869 TI - The Heritability of Frontotemporal Lobar Degeneration: Validation of Pedigree Classification Criteria in a Northern Italy Cohort. AB - A large portion of frontotemporal lobar degeneration (FTLD) patients has a family history of disease and the presence of a pathogenic mutation confirms the clinical diagnosis. Recently, standardized criteria to evaluate FTLD pedigree, based on first- and second-degree affected relatives, their age at onset, and clinical phenotype, were proposed and validated in an American cohort. Herein we applied these criteria to 402 Italian FTLD pedigrees and assessed mutation frequencies in GRN, C9orf72, and MAPT genes with the aim of validating these criteria. Moreover, we evaluated whether genetic counseling requests reflect the estimated family risk. 12.4% of pedigrees had high family history, 6.5% medium, 15.4% low; 39% were apparent sporadic cases and 26.6% had family history of unknown significance. Mutations frequencies were in line with the categorization proposed: the highest rate was found in the most at-risk families (74%) and decreased in other categories (medium: 15.4%; low: 9.7%; sporadic: 1.3%). Mutation carriers with unknown family history (5.6%) were mostly early-onset patients. Detected mutation frequency was comparable with the US-cohort (13.7%), but mutations distribution among genes was different, with higher frequency of GRN mutations (9.4%) in our cohort. An elevated proportion of FTLD patients belonging to "high risk" pedigrees asked for genetic counseling (42%); requests decreased according to the estimated family risk (medium: 26.9%; low: 17.7%; sporadic: 5.1%). In conclusion, the proposed pedigree classification criteria, herein further validated, should be incorporated in the FTLD diagnostic work-up. Moreover, our data suggest to extend genetic screening to early-onset patients with unknown family history. PMID- 29226868 TI - Predictors of Age of Diagnosis and Survival of Alzheimer's Disease in Down Syndrome. AB - BACKGROUND: People with Down syndrome (DS) are an ultra-high risk population for Alzheimer's disease (AD). Understanding the factors associated with age of onset and survival in this population could highlight factors associated with modulation of the amyloid cascade. OBJECTIVE: This study aimed to establish the typical age at diagnosis and survival associated with AD in DS and the risk factors associated with these. METHODS: Data was obtained from the Aging with Down Syndrome and Intellectual Disabilities (ADSID) research database, consisting of data extracted from clinical records of patients seen by Community Intellectual Disability Services (CIDS) in England. Survival times when considering different risk factors were calculated. RESULTS: The mean age of diagnosis was 55.80 years, SD 6.29. Median survival time after diagnosis was 3.78 years, and median age at death was approximately 60 years. Survival time was associated with age of diagnosis, severity of intellectual disability, living status, anti-dementia medication status, and history of epilepsy. Age at diagnosis and treatment status remained predictive of survival time following adjustment. CONCLUSION: This study provides the best estimate of survival in dementia within the DS population to date, and is in keeping with previous estimates from smaller studies in the DS population. This study provides important estimates and insights into possible predictors of survival and age of diagnosis of AD in adults with DS, which will inform selection of participants for treatment trials in the future. PMID- 29226870 TI - Alzheimer's Disease Progression: Factors Influencing Cognitive Decline. AB - BACKGROUND: Alzheimer's disease (AD) patients present high variability in the rate of cognitive decline. Despite the wide knowledge on factors influencing dementia risk, little is known on what accounts for AD progression. Previous studies on this topic have mainly analyzed each factor separately without taking into account the interaction between genetic and non-genetic factors. OBJECTIVE: The aim of the present study is to evaluate the role of demographic, clinical, therapeutic, and genetic factors and their interaction on cognitive decline among newly diagnosed AD patients. METHODS: We retrospectively selected 160 AD patients diagnosed at the Neurology Unit of Careggi University Hospital of Florence. We evaluated the occurrence of rapid cognitive changes defined as the worsening of more than four points at the Mini-Mental State Examination after 2-year follow up period. RESULTS: Among the 160 AD patients, 50% presented rapid disease progression. Extrapyramidal signs at disease onset were predictors of worse outcome (OR 2.2), especially among Apolipoprotein E (APOE) E4 allele carriers, while the presence of family history for dementia decreased the risk of rapid progression by about 50%. Higher educated E4-carriers showed a slower AD progression. We identified the chronic use of aspirin as potential secondary preventative strategy for the non E4-carriers. CONCLUSION: At dementia onset, some clinical and demographic data can be predictors of future progression. The outcomes of the present study support the already hypothesized interaction between genetic and non-genetic factors during disease course and suggest genetic based approaches. PMID- 29226871 TI - Increased Serum Acylated Ghrelin Levels in Patients with Mild Cognitive Impairment. AB - Ghrelin is a stomach-derived circulating hormone. In addition to its function as an orexigenic stimulant, the role of ghrelin in the consolidation of learning and memory has been implicated in recent years. However, the status of circulating acylated ghrelin (AG, that is, the functional form of ghrelin) in the symptomatic predementia stage of Alzheimer's disease (AD) has rarely been investigated. In the current study, we examined the serum levels of acylated and total ghrelin in 22 patients with mild cognitive impairment (MCI) and 30 cognitively normal controls. We have found that patients with MCI had significantly increased serum AG levels, which were inversely associated with defected short- and long-term memory as well as language skills. Of note, the levels of total circulating ghrelin were similar between the two groups. Intriguingly, serum AG but not total ghrelin was associated with AD risk factors including the age, hypertension, and hyperlipidemia. Therefore, circulating AG may serve as a potential early systemic biomarker for AD-related cognitive impairments. Nevertheless, the simplest interpretation of the results is that the levels of circulating AG are associated with cognitive impairments in patients with MCI, thereby forming the groundwork for our future studies on the systemic mechanisms of AD pertaining to the ghrelin system. PMID- 29226872 TI - While I Still Remember: 30 Years of Alzheimer's Disease Research. AB - Turns out I have been a major contributor to the Journal of Alzheimer's Disease over its 20-year history. As such, I was invited to provide a review of my work over the years. What follows is a retrospective of how the Alzheimer-related research of a Ph.D. (i.e., not an M.D.) transitioned from basic to clinical, and moved from bench to bedside and back again.I have included some of the more humorous and poignant twists along the way that some older players may find familiar and I hope might inspire some younger players to hang in there. PMID- 29226874 TI - Alterations in Acrolein Metabolism Contribute to Alzheimer's Disease. AB - Alzheimer's disease (AD) is a detrimental neurodegenerative disease, and early diagnosis appears to be the key to successful treatment. Acrolein, a byproduct of lipid peroxidation, has been shown to contribute to the pathological process of AD. This study recruited 118 elderly subjects consisting of 58 non-demented control subjects and 62 AD patients. We analyzed the acrolein-related metabolites in the plasma, cerebrospinal fluid (CSF), and urine of all subjects. We found that the levels of acrolein-conjugated protein (Acr-PC) in the plasma (p = 0.00012) and CSF (p = 0.00161) of AD patients were significantly higher than those of control subjects, whereas the levels of a urinary acrolein metabolite, 3 hydroxypropyl mercapturic acid (3-HPMA), were markedly decreased (p = 0.00882) in AD patients. These data suggest that deregulated acrolein metabolism may be correlated with neuronal damage in AD patients, which might provide further insights into the disease progression and early diagnosis of AD. PMID- 29226875 TI - VEGFR1 and VEGFR2 in Alzheimer's Disease. AB - Vascular endothelial growth factor (VEGF) is a potent angiogenic factor. Despite upregulation of VEGF in the brain in Alzheimer's disease (AD), probably in response to amyloid-beta, vasoconstriction, and tissue hypoxia, there is no consequent increase in microvessel density. VEGF binds to and activates VEGF receptor 2 (VEGFR2), but also binds to VEGF receptor 1 (VEGFR1), which exists in less-active membrane-bound and inactive soluble (sVEGFR1) forms and inhibits pro angiogenic signaling. We have investigated whether altered expression of VEGF receptors might account for the lack of angiogenic response to VEGF in AD. We assessed the cellular distribution and protein level of VEGFR1 and VEGFR2 in parietal cortex from 50 AD and 36 age-matched control brains, and related the findings to measurements of VEGF and von Willebrand factor level (a marker of microvessel density) in the same tissue samples. VEGFR2 was expressed by neurons, astrocytes and endothelial cells. VEGFR1 was expressed predominantly neuronally and was significantly reduced in AD (p = 0.02). Western blot analysis on a subset of brains showed reduction in VEGFR1:sVEGFR1 in AD (p = 0.046). The lack of angiogenesis despite cerebral hypoperfusion in AD is not explained by altered expression of VEGFR2 or total VEGFR1; indeed, the downregulation of VEGFR1 may represent a pro-angiogenic response to the hypoperfusion. However, the relative increase in sVEGFR1 would be expected to have an anti-angiogenic effect which may be a factor in AD. PMID- 29226873 TI - Modeling Prion-Like Processing of Tau Protein in Alzheimer's Disease for Pharmaceutical Development. AB - Following our discovery of a fragment from the repeat domain of tau protein as a structural constituent of the PHF-core in Alzheimer's disease (AD), we developed an assay that captured several key features of the aggregation process. Tau-tau binding through the core tau fragment could be blocked by the same diaminophenothiazines found to dissolve proteolytically stable PHFs isolated from AD brain. We found that the PHF-core tau fragment is inherently capable of auto catalytic self-propagation in vitro, or "prion-like processing", that has now been demonstrated for several neurodegenerative disorders. Here we review the findings that led to the first clinical trials to test tau aggregation inhibitor therapy in AD as a way to block this cascade. Although further trials are still needed, the results to date suggest that a treatment targeting the prion-like processing of tau protein may have a role in both prevention and treatment of AD. PMID- 29226876 TI - Serum C-Peptide, Visfatin, Resistin, and Ghrelin are Altered in Sporadic and GRN Associated Frontotemporal Lobar Degeneration. AB - Frontotemporal lobar degeneration (FTLD) is a group of complex neurodegenerative disease characterized by progressive deterioration of the frontal and anterior temporal lobes of the brain resulting in different heterogeneous conditions, mainly characterized by personality changes, behavioral disturbances, such as binge eating, and deficits in language and executive functions. Null mutations in progranulin gene (GRN) are one of the most frequent genetic determinants in familial frontotemporal dementia. Recently, progranulin was recognized as an adipokine involved in diet-induced obesity and insulin resistance revealing its metabolic function. Increasing evidence suggests that neurodegenerative dementias are associated with a higher prevalence of metabolic changes than in the general population. According to these findings, the aim of this study is to investigate putative alterations in markers linked to metabolic functions (i.e., C-peptide, ghrelin, glucose-dependent insulinotropic polypeptide, glucagon-like peptide-1, glucagon, insulin, resistin, and three adipokines as visfatin, leptin, and plasminogen activator inhibitor-1 total) in sporadic and GRN-related FTLD. We found that 1) C-peptide is increased in sporadic and GRN-mutated FTLD patients; in addition, we demonstrated an anticipation of the disease in patients with the highest C-peptide concentrations; 2) visfatin is slightly reduced in the whole FTLD group; 3) resistin, an adipokine involved in inflammatory-related diseases, is specifically increased in FTLD due to GRN null mutations; 4) ghrelin concentration is specifically increased in pre-symptomatic subjects and FTLD patients with GRN mutations. These findings support the hypothesis that alterations in metabolic pattern are involved in FTLD progression highlighting novel putative targets for the development of preventive and personalized therapies. PMID- 29226878 TI - ASIC1a contributes to the symptom of pain in a rat model of chronic prostatitis. AB - This study aims to validate our hypothesis that acid-sensing ion channels (ASICs) may contribute to the symptom of pain in patients with chronic prostatitis (CP). We first established a CP rat model, then isolated the L5-S2 spinal dorsal horn neurons for further studies. ASIC1a was knocked down and its effects on the expression of neurogenic inflammation-related factors in the dorsal horn neurons of rat spinal cord were evaluated. The effect of ASIC1a on the Ca2+ ion concentration in the dorsal horn neurons of rat spinal cord was measured by the intracellular calcium ([Ca2+]i) intensity. The effect of ASIC1a on the p38/mitogen-activated protein kinase (MAPK) signaling pathway was also determined. ASIC1a was significantly upregulated in the CP rat model as compared with control rats. Acid-induced ASIC1a expression increased [Ca2+]i intensity in the dorsal horn neurons of rat spinal cord. ASIC1a also increased the levels of neurogenic inflammation-related factors and p-p38 expression in the acid-treated dorsal horn neurons. Notably, ASIC1a knockdown significantly decreased the expression of pro-inflammatory cytokines. Furthermore, the levels of p-p38 and pro-inflammatory cytokines in acid-treated dorsal horn neurons were significantly decreased in the presence of PcTx-1, BAPTA-AM, or SB203580. Our results showed that ASIC1a may contribute to the symptom of pain in patients with CP, at least partially, by regulating the p38/MAPK signaling pathway. PMID- 29226877 TI - Negative Prospective Memory in Alzheimer's Disease: "Do Not Perform That Action". AB - Relatively to "standard" prospective memory, i.e., remembering to perform a future action, little is known about negative prospective memory, i.e., remembering not to perform a future action. This study investigated the latter ability in Alzheimer's disease (AD). AD participants and healthy older adults were asked to click on the keyboard or not to click on it when a cue word was encountered. Results showed more omissions (i.e., forgetting to click the keyboard when the instruction was to do so) in AD participants than in healthy older adults, suggesting a prospective memory deficit. Interestingly, more commissions (i.e., clicking the keyboard when the instruction was not to do so) were also observed in AD participants than in healthy older adults. Similar levels of commissions and omissions were observed in AD participants and in healthy older adults. Also, commissions and omissions were correlated with performance on an inhibition assessment task. Our findings reveal that AD is characterized by not only difficulty in the retrieval of recent information, but also difficulty to inhibit no-longer appropriate stimulus-response associations previously learned, suggesting a specific deficit of negative prospective memory in AD. PMID- 29226879 TI - Diastasis recti associated with midline hernias: Totally subcutaneous video endoscopic repair. AB - A 63-year-old man with a history of a conventional cholecystectomy was referred to our department for an incisional subcostal hernia and chronic back pain. Physical examination also showed an umbilical hernia and diastasis recti measuring 6 cm that was confirmed with a computed tomography scan. Subcutaneous video-endoscopic repair was done repairing all defects simultaneously. PMID- 29226880 TI - Sewing machine technique for laparoscopic mesh fixation in intra-peritoneal on lay mesh. AB - Introduction: : Mesh fixation in laparoscopic ventral hernia is accomplished using tacks or tacks with transfascial sutures. This is a painful operation and the pain is believed to be more due to transfascial sutures. We describe a method of transfascial suturing which fixes the mesh securely and probably causes less pain. Method: : Up to six ports may be necessary, three on each side. A suitable sized mesh is used and fixed with tacks all around. A 20G spinal needle is passed from the skin through one corner of the mesh. A 0 prolene suture is passed through into the peritoneum. With the prolene within, the needle is withdrawn above the anterior rectus sheath and passed again at an angle into the abdomen just outside the mesh. A loop of prolene is thus created which is tied under vision using intra-corporeal knotting. Conclusion: : This method gives a secure mesh fixation and causes less pain than conventional methods. This technique is easy to learn but needs expertise in intra-corporeal knotting. PMID- 29226881 TI - Surgical outcome of laparoscopic hepatic resection for hepatocellular carcinoma: A matched case-control study with propensity score matching. AB - Background: Although the number of reports on laparoscopic hepatic resection (LHR) has increased, studies of long-term outcomes regarding tumor recurrence and patient survival compared to the conventional open approach are limited. We evaluated the long-term survival and feasibility of LHR in patients with hepatocellular carcinoma (HCC). Patients and Methods: A retrospective analysis was performed on the clinical data of patients who underwent hepatic resection for primary HCC between August 2000 and December 2013. The patients were divided into the LHR or open hepatic resection (OHR) groups. To control for selection bias in the two groups, propensity score matching was used at a 1:1 ratio based on the following covariates: Child-Pugh grade, tumour size, tumour number and tumour location. Following propensity score matching, thirty patients were included in the LHR group and thirty were included in the OHR group. Results: The respective disease-free survival rates at 1 year, 3 years and 5 years were 78.4%, 61.1% and 38.9%, respectively, for the LHR group, and 89.3%, 57.5% and 47.9%, respectively, for the OHR group (P = 0.89). Also, the overall survival rates at 1 year, 3 years and 5 years were 96.4%, 68.2% and 62.5%, respectively, for the LHR group and 100.0%, 95.8% and 72.3%, respectively, for the OHR group (P = 0.44). Conclusions: According to our study, using propensity score matching, LHR for HCC is safe, feasible and comparative, with good oncologic results. PMID- 29226882 TI - Concomitant intraperitoneal onlay mesh repair with endoscopic component separation and sleeve gastrectomy. AB - Bariatric surgery can be safely combined with laparoscopic intraperitoneal onlay mesh (IPOM) repair. In case of large ventral hernias, laparoendoscopic component separation can also be combined to achieve tension-free closure of the defect. Concomitant bariatric surgery and hernia repair also offer the additional benefit of reduction in recurrence of hernias as obesity, one of the risk factors, is treated in the process. We present a case of 60-year-old man with a body mass index of 45.3 kg/m2 with a large recurrent ventral hernia. We performed a lap sleeve gastrectomy with laparoendoscopic anterior component separation with IPOM. The operative steps included hernia contents reduction, conventional sleeve gastrectomy, anterior component separation on either side, intra-corporeal closure of hernia defect and placement of a composite mesh. Patient recovery was uneventful. Concomitant bariatric surgery with laparoendoscopic component separation with IPOM may be safe, but more studies are required. PMID- 29226883 TI - Deep vein thrombosis prophylaxis: Are we overdoing? An Asian survey on trends in bariatric surgery with a systematic review of literature. AB - Background: Obesity is a risk factor for deep vein thrombosis (DVT) and venous thromboembolism (VTE). VTE is the most common cause of mortality in patients undergoing bariatric surgery. There is considerable variation in practice regarding methods, dosages and duration of prophylaxis in this patient population. Most of the literature is based on Western patients and specific guidelines for Asians do not exist. Methods: We conducted a web-based survey amongst 11 surgeons from high-volume centres in Asia regarding their DVT prophylaxis measures in patients undergoing bariatric surgery. We collected and analysed the data. Results: The reported incidence of DVT and VTE ranged from 0% to 0.2%. Most surgeons (63.64%) preferred to use both mechanical and chemoprophylaxis with low-molecular-weight heparin being the most preferred form of chemoprophylaxis (81.82%). There was an equal distribution of weight-based, body mass index-based and fixed-dose regimens. Duration of chemoprophylaxis ranged from 3-5 days after surgery to 2 weeks after surgery. For high-risk patients, 60% surgeons preferred to start chemoprophylaxis at least 1 week before surgery. Routine use of inferior vena cava filters in high-risk patients was not preferred with some surgeons adopting a selective use (36.36%). Conclusion: The purpose of this survey was to understand the trends in DVT prophylaxis amongst different high-volume bariatric centres in Asia and to relate the same with the existing literature on the different steps in prophylaxis. There is, however, a need for consensus guidelines for DVT prophylaxis in Asian obese. PMID- 29226884 TI - Application of fluorescent cholangiography during single-incision laparoscopic cholecystectomy for cholecystitis with a right-sided round ligament: Preliminary experience. AB - An 82-year-old woman was diagnosed with cholecystitis with a right-sided round ligament. We planned a single-incision laparoscopic cholecystectomy. Based on the findings of fluorescent cholangiography, the running course of the common bile duct was confirmed before dissection of Calot's triangle, and the confluence between the cystic duct and the common bile duct was exposed after the dissection of Calot's triangle. The planned surgery was successful. The operative time and intraoperative blood loss were 157 min and 2 mL, respectively. The patient was discharged from our hospital 3 days after surgery. Application of fluorescent cholangiography during a laparoscopic cholecystectomy for the patients with a right-sided round ligament should be widely accepted. PMID- 29226885 TI - Peritoneal pocket hernia: A distinct cause of early postoperative small bowel obstruction and strangulation: A report of two cases following robotic herniorrhaphy. AB - Laparoscopic and robotic hernia surgery offers advantages over open herniorrhaphy including faster recover and lower wound infection but is associated with rare but serious complications such as visceral injury and intestinal obstruction. We describe two cases of small bowel obstruction with strangulation that occurred shortly after routine robotic hernia surgery. We define this rare type of strangulating internal hernia as a peritoneal pocket hernia and call attention to its diagnosis and management. PMID- 29226886 TI - Two cases of laparoscopic direct spiral closure of large defects in the second portion of the duodenum after laparoscopic endoscopic co-operative surgery. AB - Curative endoscopic resection of non-ampullary duodenal lesions, although possible, is challenging. In recent years, although a novel surgical technique named laparoscopic-endoscopic cooperative surgery (LECS), which combines laparoscopic and endoscopic techniques, has made the resection of nonampullary duodenal lesions relatively easier, closure of the defect is still controversial. We report two cases of the duodenal lesion which were closed using a novel technique for primary closure utilising the free wall of the duodenum. Two cases of the duodenal lesion in the second portion of the duodenum were undergone full thickness resection using the LECS technique. The defect is designed spirally to ensure maximum use of the free wall of the duodenum. The mucosal layer is closed using a running suture, and the seromuscular layer is closed using interrupted sutures. The suture line is then reinforced with omentum. There were no intraoperative complications and had uneventful post-operative courses with no leakage, stenosis, or relapse. PMID- 29226887 TI - [Updates in 2017 ESC Guidelines on the Diagnosis and Treatment of Peripheral Arterial Diseases]. PMID- 29226888 TI - [Bicuspid aortic valve, valve phenotypes and relation with complications]. PMID- 29226889 TI - Assessment of bicuspid aortic valve phenotypes and associated pathologies: A transesophageal echocardiographic study. AB - OBJECTIVE: We investigated the frequency of different bicuspid aortic valve disease (BAV) phenotypes,the associated valvular pathologies, and the aortopathy phenotypes, using 2-dimensional (2D) transthoracic, 2D transesophageal echocardiography (TEE) and 3-dimensional (3D) TEE. METHODS: A total of 154 patients with BAV were included. Five BAV phenotypes were detected. To better define valvular pathologies, binary classifications of BAV were used: BAV with antero-posterior commisural line (BAV-AP) and right-left commissural line (BAV RL). Aortopathy phenotype was classified according to the involved tract(s). RESULTS: Of the patients, 53.2% had type 1, 16.2% type 2, 15.6% type 3, 1.3% type 4, and 13.6% had type 5 BAV. The prevalence of BAV-AP and BAV-RL was 68.2% and 31.8%, respectively. No difference was detected with respect to aortic regurgitation between BAV-AP and BAV-RL (p=0.9), but the BAVRL group had an increased propensity to have a stenotic aortic valve (p=0.003). The indexed aortic diameter was larger in BAV-AP cases than BAV-RL at the sinus of Valsalva (p=0.008). In patients with dilatation of the root and tubular portion, a predominance of BAV-AP versus BAV-RL was observed (85% vs 15%). A markedly low prevalence of the root phenotype (3.2%) was observed. In 90.1% of the patients, 2D TEE was sufficient to classify BAV phenotypes; further 3D imaging was needed in 9.9% of the cases. CONCLUSION: There may be racial differences in the frequency of valvular and aortopathy phenotypes in patients with BAV. BAV phenotypes differ with respect to aortic stenosis and aortopathy phenotypes. TEE may have good diagnostic utility in differentiating BAV phenotypes. PMID- 29226890 TI - Relationship between the extent of coronary artery disease and in-stent restenosis in patients with acute ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention. AB - OBJECTIVE: The pathophysiological mechanism of in-stent restenosis (ISR) is different from atherosclerosis of native coronary arteries. The aim of this study was to evaluate the relationship between ISR and the extent of coronary artery disease (CAD), and to identify other risk factors associated with ISR in ST segment elevation myocardial infarction (STEMI) patients. METHODS: A total of 372 consecutive patients presenting with first acute STEMI who were successfully treated with primary percutaneous coronary intervention within 12 hours from the onset of symptoms and who had an angiographic follow-up at 3 months were included in the study. The extent of CAD was calculated using the Gensini score. RESULTS: The incidence of ISR observed in our group of patients was 23.4% (n=87). The mean Gensini score was significantly higher in patients with ISR when compared with group without restenosis (69 [range: 51-90] vs 42 [range: 32-61]; p<0.001). The presence of diabetes mellitus, left ventricular ejection fraction (LVEF), and low density lipoprotein cholesterol (LDL-C) level differed significantly between the 2 groups (p<0.05 for all). Stent diameter and stent length were found to be significantly different between the ISR group and the no-restenosis group (p<0.05 for both). In multivariate logistic regression analysis, the Gensini score, stent diameter, stent length, LVEF, and LDLC were independently associated with ISR. CONCLUSION: Despite the differences in the underlying pathophysiological mechanism of ISR and native coronary atherosclerosis, patients with a greater extent of CAD should be considered candidates for future stent restenosis. PMID- 29226891 TI - The relationship between right ventricular outflow tract fractional shortening and Pulmonary Embolism Severity Index in acute pulmonary embolism. AB - OBJECTIVE: Right ventricular (RV) functions are clinically important in acute pulmonary embolism (APE). Measurement of systolic function of the right ventricular outflow tract (RVOT) with echocardiography is a simple method to evaluate RV function. The aim of this study was to determine the relationship between RVOT systolic function and the Pulmonary Embolism Severity Index (PESI). METHODS: A total of 151 patients diagnosed with APE by pulmonary computed tomography angiography or ventilation/perfusion scintigraphy were included. Patients were assigned to 2 groups based on the simplified PESI (sPESI): sPESI <1 (n=85) and sPESI >=1 (n=66). RV conventional parameters, RVOT dimensions, and fractional shortening (RVOT-FS) were also measured. RESULTS: Mean age was similar between sPESI <1 and >1 patients (58.7+/-12.9 years vs. 61.1+/-12.7 years, respectively). Frequency of male gender was significantly higher in PESI <1 group (61.2% vs. 40.2%, p=0.013). No significant differences were found between the groups in fasting glucose, serum creatinine, hemoglobin, C-reactive protein, erythrocyte sedimentation rate, troponin, and D-dimer levels, and left ventricular ejection fraction. RVOT-FS was higher in patients with sPESI <1 than in patients with sPESI >=1 (34.41+/-3.56 vs. 22.98+/-4.22), and this difference was significant (p<0.001). Tricuspid annular plane systolic excursion values were lower and pulmonary artery systolic pressure values were higher in the sPESI >=1 group, which was also statistically significant (p<0.05). Mortality occurred in 7 patients with sPESI <1 and in 16 patients with sPESI >=1. The mortality rate was higher in patients with lower RVOT-FS, and a RVOT-FS <0.22 predicted mortality with a sensitivity of 54.5% (AUC: 0.674, 95% CI 0.552-0.796; p=0.009). CONCLUSION: The RVOT-FS is a noninvasive measurement of RV systolic function, is well-correlated with the sPESI score, and associated with mortality in patients with APE. This easily applied measurement may be used to predict short-term mortality in patients with APE. PMID- 29226892 TI - Evaluation of increase in intraventricular gradient and dynamic obstruction during exercise stress test in competitive runners. AB - OBJECTIVE: Sudden cardiac death in athletes is one of the most tragic health events seen both in our country and all over the world. In some of those athletes, there is no obvious structural abnormality. Dynamic changes in intracardiac hemodynamics during exercise may be a cause for sudden death in these athletes, the impact of exercise on intracardiac gradient and cardiac hemodynamic parameters in athletes was compared with healthy controls. METHODS: A total of 21 professional male athletes and 21 healthy male controls were included in the study. Transthoracic echocardiography was performed in all participants both at rest and maximal exercise level to assess the intraventricular gradient (IVG) and cardiac systolic and diastolic functions. Abnormal IVG was defined as gradient of >30 mm Hg at peak exercise level. RESULTS: Both groups reached the level of predicted maximum exercise. There was no exercise limiting symptom among participants during exercise test. The athletes revealed a higher maximum peak systolic IVG at baseline and after exercise in comparison with the control group. None of the participants showed an abnormal IVG level. CONCLUSION: Our results showed that there was no dynamic intraventricular obstruction with aerobic exercise in subjects with a structurally normal heart. PMID- 29226893 TI - Assessment of factors related to statin non-adherence in patients with established coronary artery disease: A single-center observational study. AB - OBJECTIVE: Lifelong statin treatment is recommended in patients with cardiovascular diseases, but drug adherence is a significant problem. The aim of this study was to investigate factors related to statin discontinuation in high risk patients with coronary artery disease (CAD) diagnosed by coronary angiography. METHODS: A total of 300 consecutive patients who were followed-up with a diagnosis of CAD were recruited. Patients were categorized as statin adherent or statin non-adherent (patients interrupting statin therapy >30 days). Study participants completed a questionnaire regarding demographic characteristics, medical history, knowledge of statin treatment, and factors related to statin discontinuation. RESULTS: In all, 160 patients (53.3%) were found to be statin adherent. Of those, 122 patients had suffered myocardial infarction, and atorvastatin was the most prescribed statin on discharge. Among the study population, 26% were illiterate and 55% had graduated from primary school. Only 39 cases (13%) cases had a low-density lipoprotein-cholesterol level <70 mg/dL. In 60% of the statin non-adherent patients, the reason for statin discontinuation was physician discontinuation of the statin prescription. In 14%, the patient stopped the therapy after cholesterol parameters had been reduced or reached the normal range. Only 8% of participants reported that negative information received from TV programs and social media was responsible for the decision to terminate drug use. CONCLUSION: Our findings demonstrated that the importance of intensive statin treatment in CAD patients has not been recognized by patients or many physicians. Adherence to statin treatment and success of the therapy is low, leading to unnecessarily high cholesterol levels in patients with CAD. PMID- 29226894 TI - Identifying undiagnosed or undertreated patients with familial hypercholesterolemia from the laboratory records of a tertiary medical center. AB - OBJECTIVE: Familial hypercholesterolemia (FH) is a life-threatening genetic disease associated with elevated low-density lipoprotein cholesterol (LDL-C) and premature coronary heart disease that is undiagnosed and undertreated around the world. This study aimed to examine the demographic characteristics, awareness, and treatment adherence of undiagnosed or undertreated FH patients based on laboratory records. METHODS: In a 16-month retrospective survey using laboratory records, patients with elevated LDL-C (>250 mg/dL) were identified (n=395). Patients younger than 18 years of age or with secondary causes of dyslipidemia were excluded (n=98). In all, 297 patients were called and asked to participate in a phone interview regarding their demographic characteristics, awareness of dyslipidemia, and treatment adherence. RESULTS: A total of 147 patients (mean age: 51.7+/-16.6 years; 59.2% female) completed the interview. The mean LDL-C level of the patients was 292.8+/-49.9 mg/dL. According to the Dutch Lipid Clinic Network criteria, 18.4% of the patients had definite FH, 66.0% had probable FH, and 15.6% had possible FH. Although the majority of the patients (93.9%) were aware of their high LDL-C level, only about half of them (n=75; 51.0%) were in treatment. Of all the patients who were interviewed, 21% (n=31) had never taken medication to lower their LDL-C, and 28% (n=41) had stopped taking a lipid lowering drug. CONCLUSION: This pilot study revealed that a significant number of FH patients were not taking statins despite having a very high LDL-C level. Nationwide detection of likely FH patients using hospital records and interviewing them via a phone survey may help to better understand and manage these high-risk patients. PMID- 29226895 TI - A late complication of coronary artery perforation during primary percutaneous coronary intervention: Coronary arteriovenous fistula. AB - Coronary artery perforation (CAP) is a rare, but potentially mortal possible complication of percutaneous coronary intervention. There are several treatment options for this complication, including prolonged balloon dilatation, use of a coronary stent graft, and bypass surgery. In this case report, a 65-year-old female patient who was admitted to the catheter laboratory with a diagnosis of acute coronary syndrome, was presented. Coronary angiography revealed total occlusion in the mid segment of the right coronary artery and a drug-eluting stent was implanted under 12 atm of pressure following pre-dilatation with a perfusion balloon. In order to perform defragmentation of the thrombus shifted into the proximal stent segment, post-dilatation was performed with a stent balloon (4-6 atm). After post-dilatation, an Ellis Class II perforation developed. In order to control the bleeding, a coronary stent graft was implanted at the perforation area. The rupture was sealed. Control coronary angiography 40 days later indicated that the stent graft was patent, but an arteriovenous fistula (AVF) draining to the right ventricle was detected. To the best of our knowledge, this is the first case of AVF seen as a late complication of CAP treated with a stent graft. PMID- 29226896 TI - Recovery of cardiomyopathy induced by ventricular premature beats of paraHisian origin after successful radiofrequency catheter ablation. AB - A 51-year-old male patient presented with frequent and symptomatic premature ventricular complexes (PVCs) that had induced cardiomyopathy. Radiofrequency (RF) catheter ablation of the origin of the PVCs was planned and the patient underwent electrophysiological study. During activation mapping, the earliest ventricular activation was identified at the His bundle region. Small His bundle electrogram recording by the distal ablation electrode during sinus rhythm revealed that the earliest ventricular activation during PVC preceded the QRS onset by 58 milliseconds. The PVCs were successfully eliminated without occurrence of atrioventricular block using incremental application of RF energy to the para Hisian region. At the conclusion of a 5-month follow-up period, the patient remained asymptomatic and transthoracic echocardiography demonstrated an improvement in left ventricular ejection fraction. PMID- 29226897 TI - Treatment of ineffective endocardial defibrillation with subcutaneous array: a case report. AB - Defibrillation threshold (DFT) testing is an important part of ICD implantation. After placement of the ICD generator, a DFT test is performed to evaluate the integrity of the ICD system and to confirm a successful defibrillation safety margin. More than 6% of ICDs implanted are not within the DFT safety margin. Presently described is the case of a patient with a high DFT and some of the methods that can be used to manage this circumstance, including the use of a subcutaneous array. PMID- 29226898 TI - Severe cardiac toxicity following alcohol intake in a patient using therapeutic dose of propafenone. AB - An unconscious, 25-year-old, male patient was brought to the emergency department. The patient's electrocardiography demonstrated a wide QRS interval and first-degree atrioventricular block. He was being treated with propafenone twice daily (450 mg) for paroxysmal atrial fibrillation. The patient had consumed a substantial amount of alcohol the day before. He recovered after supportive management with sodium bicarbonate and inotropic therapy. In the presently described case, treatment resulted in quick normalization of QRS interval and stabilization of hemodynamic status. PMID- 29226899 TI - Successful resection and reconstruction of primary cardiac lymphoma. AB - Primary cardiac lymphoma (PCL) is one of the rarest tumors of the heart. The most common type is diffuse, large B-cell lymphoma. Most often, the right atrium and the right ventricle are involved, and if not diagnosed and treated in time, it can be fatal. In this case, a female patient underwent an urgent operation for a large, infiltrative, right atrial mass. Extensive resection of the lateral walls of both atria and the interatrial septum as well as reconstruction were performed successfully. The pathological evaluation suggested PCL. The aim of this case is to raise awareness of this disease and to highlight clinical and surgical approaches. PMID- 29226900 TI - Diffuse hypoplasia of the aortic arch and isthmus in a patient with Williams syndrome. AB - Williams syndrome is a rare neurodevelopmental disorder characterized by mental retardation, growth deficiency, hypercalcemia, cardiac defects, and a distinctive facial appearance. Cardiovascular abnormalities are present in approximately 80% of Williams syndrome patients. Surgical treatment is generally performed for supravalvular aortic stenosis, aortic coarctation, pulmonary artery stenosis, or ventricular septal defect. In rare cases, diffuse hypoplasia of the aortic arch with a normal left ventricular outflow tract and ascending aorta may be diagnosed in early childhood. Described herein is the case of a 16-month-old female with Williams syndrome and diffuse hypoplasia of the aortic arch and isthmus, and concomitant pulmonary stenosis and a ventricular septal defect. The patient underwent a successful surgical repair of the aortic arch with a modified pericardial patch technique. PMID- 29226901 TI - [How to evaluate hepatic vein flow using transthoracic echocardiography?] PMID- 29226902 TI - Case Image: Hiatal hernia presenting like a large left atrial mass. PMID- 29226903 TI - Case Image: Unruptured non-coronary sinus of Valsalva aneurysm presenting with nausea secondary to functional tricuspid stenosis. PMID- 29226904 TI - Interventricular septal lipoma. PMID- 29226905 TI - Case Image: Rare cause of recurrent pericardial tamponade: Cardiac angiosarcoma. PMID- 29226906 TI - Electrolyte Imbalances as a predisposing factor for arrhythmias. PMID- 29226907 TI - Authors' reply. PMID- 29226908 TI - New shock reduction programming strategies: Where do we stand? PMID- 29226912 TI - Innate immunity: Platelets on the prowl. PMID- 29226911 TI - Immunometabolism in 2017: Driving immunity: all roads lead to metabolism. PMID- 29226910 TI - Towards personalized, tumour-specific, therapeutic vaccines for cancer. AB - Cancer vaccines, which are designed to amplify tumour-specific T cell responses through active immunization, have long been envisioned as a key tool of effective cancer immunotherapy. Despite a clear rationale for such vaccines, extensive past efforts were unsuccessful in mediating clinically relevant antitumour activity in humans. Recently, however, next-generation sequencing and novel bioinformatics tools have enabled the systematic discovery of tumour neoantigens, which are highly desirable immunogens because they arise from somatic mutations of the tumour and are therefore tumour specific. As a result of the diversity of tumour neoepitopes between individuals, the development of personalized cancer vaccines is warranted. Here, we review the emerging field of personalized cancer vaccination and discuss recent developments and future directions for this promising treatment strategy. PMID- 29226913 TI - Correction to: Antiobesity potential of Piperonal: promising modulation of body composition, lipid profiles and obesogenic marker expression in HFD-induced obese rats. AB - [This corrects the article DOI: 10.1186/s12986-017-0228-9.]. PMID- 29226914 TI - Longitudinal deformation bench testing using a coronary artery model: a new standard? AB - Objectives: To compare susceptibility of five different stent platforms with longitudinal stent deformation (LSD) using a clinically relevant bench testing model simulating both short and long malapposed lengths. Background: Recent data suggest that design modifications to the Promus Element stent which led to the Promus Premier stent has reduced susceptibility to LSD. However, susceptibility to LSD at long malapposed lengths has not been tested. Furthermore, the mechanisms behind susceptibility to LSD are as yet unclear. Methods: The Omega, Integrity, Multilink 8, Biomatrixand Promus Premier stent platforms were tested. The Omega, Integrity and Multilink 8 platforms were used in place of their drug eluting equivalents. 3.5 mm stents were deployed in a stepped tube with the distal portion fixed and the proximal test section exposed. The force required to compress stents by a fixed distance at different exposed lengths was compared. Symmetrical and point loading were used. Results: The Promus Premier was longitudinally as strong as Multilink and Integrity at a short exposed length (4 mm) but weaker, in between Omega and the other platforms, at longer exposed lengths (12 mm). As previously noted, the Omega (Promus Element) platform was significantly weaker than the other stents and Biomatrix was the strongest stent. Conclusion: Susceptibility to LSD varies depending on length of malapposed segment when tested using a clinically relevant model as in this study. The mechanisms behind the susceptibility are likely multifactorial, including connector number, strut thickness, connector alignment and ring orientation but remain to be elucidated. PMID- 29226915 TI - Erratum: Factors that affect the onset of action of non-depolarizing neuromuscular blocking agents. AB - [This corrects the article on p. 500 in vol. 70, PMID: 29046769.]. PMID- 29226916 TI - FDT 2.0: Improving scalability of the fuzzy decision tree induction tool - integrating database storage. AB - Effective machine-learning handles large datasets efficiently. One key feature of handling large data is the use of databases such as MySQL. The freeware fuzzy decision tree induction tool, FDT, is a scalable supervised-classification software tool implementing fuzzy decision trees. It is based on an optimized fuzzy ID3 (FID3) algorithm. FDT 2.0 improves upon FDT 1.0 by bridging the gap between data science and data engineering: it combines a robust decisioning tool with data retention for future decisions, so that the tool does not need to be recalibrated from scratch every time a new decision is required. In this paper we briefly review the analytical capabilities of the freeware FDT tool and its major features and functionalities; examples of large biological datasets from HIV, microRNAs and sRNAs are included. This work shows how to integrate fuzzy decision algorithms with modern database technology. In addition, we show that integrating the fuzzy decision tree induction tool with database storage allows for optimal user satisfaction in today's Data Analytics world. PMID- 29226918 TI - Bodily Extensions and Performance. PMID- 29226917 TI - Toward research-tested mobile health interventions to prevent diabetes and cardiovascular disease among persons with pre-diabetes. AB - Background: About 35% of US adults have pre-diabetes and an increased risk of diabetes. Consumer-facing devices such as the Fitbit help users become more physically active and manage their weight which reduces risk of diabetes and cardiovascular disease. Methods: In this commentary we provide a summary of healthy lifestyle intervention studies involving persons with pre-diabetes including those conducted in routine clinical practice. We also provide an account of how such interventions might be enhanced through the use of wearable devices linked to smartphone applications. Results: In initial trials focusing on overweight and obesity, consumer wearable devices have been shown to increase physical activity and reduce weight. However, the acceptability and effectiveness of these mHealth interventions among persons with impaired glucose tolerance or impaired fasting glucose is unknown; studies involving persons with pre-diabetes have not yet been reported. Conclusions: Research is needed to determine the feasibility and efficacy of wearable devices in improving physical activity and weight management in persons with pre-diabetes who are at-risk of diabetes and cardiovascular disease. PMID- 29226919 TI - Indispensable benefit of independent investigator-driven research in a changing clinical trial landscape. PMID- 29226920 TI - CoO microspheres and metallic Co evolved from hexagonal alpha-Co(OH)2 plates in a hydrothermal process for lithium storage and magnetic applications. AB - CoO microspheres and metallic Co could be successfully synthesized by simply reacting cobalt acetate with a mixture solvent of ethylene glycol and deionized water in a hydrothermal process for different times. As the reaction proceeded, alpha-Co(OH)2, CoO and metallic Co were produced. To understand the phase evolution processes from alpha-Co(OH)2 to CoO and then metallic Co, a range of time-dependent experiments were carried out, and the intermediate products obtained at different reaction times were investigated in detail. The investigation revealed that CoO microspheres were actually evolved from alpha Co(OH)2 as a precursor. Just elongating the reaction time, CoO microspheres could be further reduced to metallic Co. With a pure ethylene glycol medium for the same reaction, only alpha-Co(OH)2 could be generated, indicating an important role of water. When the obtained CoO microspheres were used as anode materials for lithium-ion batteries, they delivered a specific capacity of 803 mA h g-1 at 0.1 A g-1 with a retention of 453 mA h g-1 after 70 cycles. Meanwhile, the magnetic properties of the obtained CoO microspheres and metallic Co were investigated, with the CoO microspheres showing an antiferromagnetic behavior and the metallic Co exhibiting ferromagnetic characteristics. This study suggested a novel method for synthesizing CoO with a uniform microsphere morphology and bulk metallic Co easily. PMID- 29226921 TI - Solution and gas phase evidence of anion binding through the secondary bonding interactions of a bidentate bis-antimony(iii) anion receptor. AB - The solution and gas phase halide binding to a bis-antimony(iii) anion receptor was studied. This new class of anion receptors utilizes the strong Sb-centered secondary bonding interactions (SBIs) that are formed opposite to the polar Sb-O primary bond. 1H NMR titration data were fitted statistically to binding models and solution-phase binding energetics were extracted, while the formation of anion-to-receptor complexes was observed using ESI-MS. Density functional theory calculations suggest that their affinity towards binding halide anions is mitigated by the strong explicit solvation effect in DMSO, which gives insights into future designs that circumvent direct solvent binding and are anticipated to yield tighter and perhaps more selectivity in anion binding. PMID- 29226922 TI - A polymyxin B-silver nanoparticle colloidal system and the application of lipopolysaccharide analysis. AB - Polymyxin B (PMB) is a small cyclic polycationic lipopeptide, which can be used as an antibiotic drug against Gram-negative bacteria. In this work, the interaction between citrate capped silver nanoparticles (AgNPs) and PMB is studied. Experimental results show that the association constant is extremely high and the binding event leads to a significant variation in the localized surface plasmon resonance (LSPR) of AgNPs. Moreover, the PMB-AgNP colloidal system can be further exploited as a sensitive analytical platform. Taking lipopolysaccharide (LPS) as an example, we demonstrate a facile colorimetric LPS detection method. LPS is a major constituent of the Gram-negative bacterial cell wall which is used as an optimal biomarker for some diseases like urinary tract infections and sepsis. In this study, target LPS is able to tightly bind to PMB, which effectively inhibits the PMB induced aggregation of AgNPs. By monitoring the UV-vis absorption spectra, the LPS concentration can be quantitatively determined with high sensitivity. The sensing strategy is quite simple, which allows effortless diagnosis of many diseases at different stages. PMID- 29226923 TI - Conformational control of nonplanar free base porphyrins: towards bifunctional catalysts of tunable basicity. AB - For the first time, free base and N-methylated porphyrins have been utilized as bifunctional organocatalysts in Michael additions and it was found that distortion of the macrocycle is a vital prerequisite for their catalytic activity. Conformational design has been used to tailor the properties of nonplanar porphyrins with regards to availability of the N-H units for hydrogen bonding (distortion-dependent hydrogen bonding) and the basicity of the heterocyclic groups. NMR spectroscopic- and catalyst screening studies provided insight into the likely mode of catalyst action. This unprecedented use of free base and N-substituted porphyrins as organocatalysts opens a new functional role for porphyrins. PMID- 29226924 TI - Analysis of the conformational properties of amine ligands at the gold/water interface with QM, MM and QM/MM simulations. AB - We describe a strategy of integrating quantum mechanical (QM), hybrid quantum mechanical/molecular mechanical (QM/MM) and MM simulations to analyze the physical properties of a solid/water interface. This protocol involves using a correlated ab initio (CCSD(T)) method to first calibrate Density Functional Theory (DFT) as the QM approach, which is then used in QM/MM simulations to compute relevant free energy quantities at the solid/water interface using a mean field approximation of Yang et al. that decouples QM and MM thermal fluctuations; gas-phase QM/MM and periodic DFT calculations are used to determine the proper QM size in the QM/MM simulations. Finally, the QM/MM free energy results are compared with those obtained from MM simulations to directly calibrate the force field model for the solid/water interface. This protocol is illustrated by examining the orientations of an alkyl amine ligand at the gold/water interface, since the ligand conformation is expected to impact the chemical properties (e.g., charge) of the solid surface. DFT/MM and MM simulations using the INTERFACE force field lead to consistent results, suggesting that the effective gold/ligand interactions can be adequately described by a van der Waals model, while electrostatic and induction effects are largely quenched by solvation. The observed differences among periodic DFT, QM/MM and MM simulations, nevertheless, suggest that explicitly including electronic polarization and potentially charge transfer in the MM model can be important to the quantitative accuracy. The strategy of integrating multiple computational methods to cross-validate each other for complex interfaces is applicable to many problems that involve both inorganic/metallic and organic/biomolecular components, such as functionalized nanoparticles. PMID- 29226925 TI - Novel double layer lanthanide metal-organic networks for sensing applications. AB - A trifunctional aromatic building block (H2L) containing three different types of functional groups (carboxyl C([double bond, length as m-dash]O)OH, aldehyde C([double bond, length as m-dash]O)H, and O-ether) was applied for the hydrothermal synthesis of two novel lanthanide 2D coordination polymers [Ln(MU HL)(MU3-L)(phen)]n {Ln = Tb (1) and Eu (2); H2L = 5-methoxy-(4-benzaldehyde)-1,3 benzene dicarboxylic acid; phen = 1,10-phenanthroline}. Both compounds 1 and 2 are isostructural and reveal very complicated 2D metal-organic double layers with the 3,4L27 topology. The presence of free aldehyde groups positioned outside of the double layers opens up a possibility of using them as functional groups toward sensing amines and small organic molecules. The fluorescence measurements for the Tb derivative 1 reveal that it acts as an efficient fluorescence sensor for p-phenylenediamine, benzidine and acetone molecules via a luminescence quenching effect. A similar sensing behavior was observed for the Eu compound 2. Moreover, thin-films of 1-PEG on glass (1-PEG-glass thin-film material) were fabricated and investigated for the detection of amine vapors. PMID- 29226926 TI - QSAR modeling of cumulative environmental end-points for the prioritization of hazardous chemicals. AB - The hazard of chemicals in the environment is inherently related to the molecular structure and derives simultaneously from various chemical properties/activities/reactivities. Models based on Quantitative Structure Activity Relationships (QSARs) are useful to screen, rank and prioritize chemicals that may have an adverse impact on humans and the environment. This paper reviews a selection of QSAR models (based on theoretical molecular descriptors) developed for cumulative multivariate endpoints, which were derived by mathematical combination of multiple effects and properties. The cumulative end-points provide an integrated holistic point of view to address environmentally relevant properties of chemicals. PMID- 29226927 TI - Tunable white-light emission by supramolecular self-sorting in highly swollen hydrogels. AB - Fluorescence-tunable hydrogels especially emitting white-light were achieved by swelling hydrogels in solutions containing two kinds of dyes. The fluorescence of the dyes was enhanced by the orthogonal supramolecular complexation with different binding sites in the hydrogels. PMID- 29226928 TI - Evaluation of the in vivo acute antiinflammatory response of curcumin-loaded nanoparticles. AB - Curcumin is the main curcuminoid found in turmeric rhizomes and is a strong candidate to formulate foodstuff with specific properties. Among various bioactive properties of curcumin, its antiinflammatory activity is remarkable; on the other hand, its low water solubility leads to low absorption. Thus, new formulations need to be developed to improve its efficacy, and encapsulation is a promising alternative strategy in this regard. The objective of the present study was to obtain curcumin-loaded polyvinylpyrrolidone (PVP) nanoparticles and evaluate their acute in vivo antiinflammatory activity. Nanoparticles were obtained by complexation using the solid dispersion technique, and the characterization of nanoparticles showed that curcumin and PVP formed an amorphous solid solution. Encapsulated curcumin was colloidally stable in distilled water; this was attributed to the formation of hydrogen bonds between curcumin hydroxyl and PVP carbonyl groups. Rats were treated orally with single doses of curcumin and curcumin-loaded PVP nanoparticles, and antiinflammatory activity was evaluated by an experimental model of carrageenan-induced paw edema, myeloperoxidase (MPO) activity, and microcirculation in situ. Treatment with nanoparticles at 12.5 mg kg-1 significantly reduced the intensity of edema and MPO activity, whereas pure curcumin only presented a significant effect at 400 mg kg-1. Curcumin inhibited cell migration since rolling and adherent leukocytes were significantly reduced using nanoparticles at 50 mg kg-1 and curcumin at 400 mg kg-1. Compared to free curcumin, encapsulated curcumin was effective at lower doses; this might be due to the improved water affinity and colloidal stability of curcumin nanoparticles. PMID- 29226929 TI - Synergistic arsenic(v) and lead(ii) retention on synthetic jarosite. I. Simultaneous structural incorporation behaviour and mechanism. AB - Jarosite [KFe3(SO4)2(OH)6] minerals are effective scavengers of potentially toxic elements (PTEs) and are abundant, for example, in acid rock/mine drainage scenarios. The retention process is highly relevant for environmental attenuation of heavy metals and metalloids since these are usually highly soluble and thus mobile under acidic conditions. We investigated both macroscopically and at the molecular scale the extent and the effects of concomitant incorporation of As(v) and Pb(ii) into synthetic jarosite at different As/Pb starting molar ratios, using XRD-Rietveld, SEM, ATR-FTIR spectroscopy and wet chemistry. The amount of arsenate substituted in the jarosite structure was larger when Pb(ii) was also incorporated, the former filling up to approximately 33% of the tetrahedral sites normally occupied by SO42-, as compared to 21% when Pb(ii) was absent. Similarly, the amount of Pb(ii) incorporated in the structure was larger when As(v) was also taken up. The jarosite unit cell volume increased as higher amounts of As(v) incorporated into its structure, but simultaneous Pb(ii) incorporation seemed to limit this increase due to its smaller size as compared to K+. The extent to which As and Pb can accommodate in the jarosite structure was found to be limited by concentration maxima under the imposed synthesis conditions. At As/Pb ratios up to 1, Pb-As-jarosites were the only crystalline products. Above this ratio, a mixture of Pb-As-jarosite, anglesite (PbSO4) and poorly-crystalline ferric arsenate (AFA) phases was observed. At the highest As/Pb ratio investigated of 1.80 Pb-As-jarosite was no longer formed. Infrared spectroscopy analysis was applied for the first time here to substituted jarosites with both cations and anions, showing spectral changes in the solids as the As/Pb ratio increased: a characteristic As-O doublet at ~810 and ~855 cm-1 was observed upon Pb incorporation, showing an indirect effect of Pb(ii) on the As-O bonds in the jarosite structure. Thus, structural incorporation of Pb plays a pivotal role in the unit cell environment of jarosite to balance the distortion caused by AsO4 for-SO4 substitution. The retention processes found in this work have important environmental implications and impacts: through the synergistic incorporation encountered, remediation enhancement of cationic pollutants such as Pb(ii) is possible in a concomitant fashion with As(v) attenuation in acidic mining and metallurgical environments. PMID- 29226930 TI - Soft network materials with isotropic negative Poisson's ratios over large strains. AB - Auxetic materials with negative Poisson's ratios have important applications across a broad range of engineering areas, such as biomedical devices, aerospace engineering and automotive engineering. A variety of design strategies have been developed to achieve artificial auxetic materials with controllable responses in the Poisson's ratio. The development of designs that can offer isotropic negative Poisson's ratios over large strains can open up new opportunities in emerging biomedical applications, which, however, remains a challenge. Here, we introduce deterministic routes to soft architected materials that can be tailored precisely to yield the values of Poisson's ratio in the range from -1 to 1, in an isotropic manner, with a tunable strain range from 0% to ~90%. The designs rely on a network construction in a periodic lattice topology, which incorporates zigzag microstructures as building blocks to connect lattice nodes. Combined experimental and theoretical studies on broad classes of network topologies illustrate the wide-ranging utility of these concepts. Quantitative mechanics modeling under both infinitesimal and finite deformations allows the development of a rigorous design algorithm that determines the necessary network geometries to yield target Poisson ratios over desired strain ranges. Demonstrative examples in artificial skin with both the negative Poisson's ratio and the nonlinear stress-strain curve precisely matching those of the cat's skin and in unusual cylindrical structures with engineered Poisson effect and shape memory effect suggest potential applications of these network materials. PMID- 29226931 TI - Development of visible-light responsive and mechanically enhanced "smart" UCST interpenetrating network hydrogels. AB - An interpenetrating polymer network (IPN), chlorophyllin-incorporated environmentally responsive hydrogel was synthesized and exhibited the following features: enhanced mechanical properties, upper critical solution temperature (UCST) swelling behavior, and promising visible-light responsiveness. Poor mechanical properties are known challenges for hydrogel-based materials. By forming an interpenetrating network between polyacrylamide (PAAm) and poly(acrylic acid) (PAAc) polymer networks, the mechanical properties of the synthesized IPN hydrogels were significantly improved compared to hydrogels made of a single network of each polymer. The formation of the interpenetrating network was confirmed by Fourier Transform Infrared Spectroscopy (FTIR), the analysis of glass transition temperature, and a unique UCST responsive swelling behavior, which is in contrast to the more prevalent lower critical solution temperature (LCST) behaviour of environmentally responsive hydrogels. The visible light responsiveness of the synthesized hydrogel also demonstrated a positive swelling behavior, and the effect of incorporating chlorophyllin as the chromophore unit was observed to reduce the average pore size and further enhance the mechanical properties of the hydrogel. This interpenetrating network system shows potential to serve as a new route in developing "smart" hydrogels using visible-light as a simple, inexpensive, and remotely controllable stimulus. PMID- 29226932 TI - Ligand-induced decarbonylation in diphosphine-ligated palladium acetates [CH3CO2Pd((PR2)2CH2)]+ (R = Me and Ph). AB - A new decarbonylation reaction is observed for [(K2-acetate)Pd(K2-diphosphine)]+ complexes. Gas-phase IR experiments identify the product as [CH3Pd(OP(Ph2)CH2PPh2)]+. DFT calculations uncovered a plausible mechanism involving O atom abstraction by the diphosphine ligand within the coordination sphere to yield the acetyl complex, [CH3COPd(OP(Ph2)CH2PPh2)]+, which then undergoes decarbonylation. PMID- 29226933 TI - Highly efficient asymmetric construction of novel indolines and tetrahydroquinoline derivatives via aza-Barbier/C-N coupling reaction. AB - Highly stereoselective syntheses of chiral indolines and tetrahydroquinolines are achieved by combining the asymmetric Zn-mediated allylation of chiral N-tert butanesulfinyl imines with efficient intramolecular C-N cross-coupling. Herein, the advantages of such a synthetic strategy are illustrated by the synthesis of indolines and tetrahydroquinolines with quaternary stereocenters and multi substituted 1-oxo-1,2,3,4-tetrahydroisoquinolines. PMID- 29226934 TI - Improved synthesis of 8-oxabicyclo[3.2.1]octanes via tandem C-H oxidation/oxa [3,3] Cope rearrangement/aldol cyclization. AB - A tandem C-H oxidation/oxa-[3,3] Cope rearrangement/aldol reaction of allylic silylethers promoted by T+BF4-(tempo oxoammonium tetrafluoroborate)/ZnBr2 has been successfully developed allowing the efficient construction of 8 oxabicyclo[3.2.1]octanes and their analogs with a wide substrate scope. PMID- 29226935 TI - Collective behavior of bulk nanobubbles produced by alternating polarity electrolysis. AB - Nanobubbles in liquids are mysterious gaseous objects with exceptional stability. They promise a wide range of applications, but their production is not well controlled and localized. Alternating polarity electrolysis of water is a tool that can control the production of bulk nanobubbles in space and time without generating larger bubbles. Using the schlieren technique, the detailed three dimensional structure of a dense cloud of nanobubbles above the electrodes is visualized. It is demonstrated that the thermal effects produce a different schlieren pattern and have different dynamics. A localized volume enriched with nanobubbles can be separated from the parent cloud and exists on its own. This volume demonstrates buoyancy, from which the concentration of nanobubbles is estimated as 2 * 1018 m-3. This concentration is smaller than that in the parent cloud. Dynamic light scattering shows that the average size of nanobubbles during the process is 60-80 nm. The bubbles are observed 15 minutes after switching off the electrical pulses but their size is shifted to larger values of about 250 nm. Thus, an efficient way to generate and control nanobubbles is proposed. PMID- 29226936 TI - Coordination chemistry of stannylene-based Lewis pairs - insertion into M-Cl and M-C bonds. From base stabilized stannylenes to bidentate ligands. AB - The coordination chemistry of intramolecular stannylene phosphorus Lewis pairs incorporated into four membered ring systems is presented. Previously reported coordination chemistry of stannylene and phosphorus towards palladium(0) is extended by using Pd(nbe)3 as a precursor, yielding co-ligand free complexes. An equilibrium of one or two stannylene phosphorus ligands coordinated to Pd(0) was observed with tin acting either as a donor or an acceptor towards palladium. Furthermore, the reactions with transition metal(i) chlorides, [(cod)IrCl]2, [(cod)RhCl]2 and Me2SAuCl are reported. They proceed via insertion of stannylene into the M-Cl bonds, yielding metal complexes with chelating stannide phosphorus ligands. For gold, a dinuclear complex with bridging P-Sn ligands was formed. Furthermore, the reaction of a P -> Sn Lewis pair in a three membered ring system with (cod)PtMe2 is reported. PMID- 29226937 TI - High-yield synthesis of a unique Mn(iii) siloxide complex through KMnO4 oxidation of a Mn(ii) precursor. AB - A unique trivalent manganese siloxide complex, blue-violet MnIIILi2Cl[(Ph2SiO)2O]2(THF)4.2THF (3) has been prepared by a straightforward two step synthetic protocol. Lithiation of (Ph2SiOH)2O (1) followed by reaction with MnCl2(THF)2 gave the structurally remarkable Mn(ii) precursor MnIILi4Cl2[(Ph2SiO)2O]2(THF)5.2THF (2). Surprisingly, the final oxidation step could be achieved using KMnO4 in THF to provide the Mn(iii) species 3 in high yield (91%). Both title compounds were structurally characterized by single crystal X-ray diffraction. PMID- 29226938 TI - Pd-Catalyzed C-H aziridination of 3,3,5,5-tetrasubstituted piperazin-2-ones. AB - A palladium mediated C-H aziridination reaction of 3,3,5,5-substituted-piperazin 2-ones has been developed using phenyliodonium diacetate (PIDA) and succinic acid to give synthetically useful bicyclic aziridines, in moderate to good yields. Succinic acid was found to be key for selectively promoting C-N bond formation (aziridination) and suppressing competitive acetoxylation. Analysis of the reaction kinetics revealed the role of succinic acid in promoting an equilibrium between monomeric and dimeric palladium species in the rate determining step of the reaction. The aziridines can be ring-opened by nucleophiles under Lewis or Bronsted acidic conditions to give formal C-H functionalized products. The reaction conditions can be further manipulated to produce acetoxylated, diacetoxylated and even triacetoxylated materials through the use of acetic acid and increased oxidant stoichiometry. PMID- 29226939 TI - Studies of Agitation / Aggression in Alzheimer's Disease - Scientific and Operational Challenges. PMID- 29226940 TI - New IPA Criteria for Agitation in Cognitive Impairment. PMID- 29226941 TI - Trial Design for the Evaluation of Neuropsychiatric Symptoms in Alzheimer's Disease: Considerations and Recommendations. PMID- 29226942 TI - Post Hoc Evidence for an Additive Effect of Memantine and Donepezil: Consistent Findings from DOMINO-AD Study and Memantine Clinical Trial Program. AB - BACKGROUND: Several randomized trials have demonstrated superiority of memantine cholinesterase inhibitor combination therapy in patients with moderate to severe Alzheimer's disease, yet a recent publication reported no additional benefit of add-on memantine therapy compared to donepezil alone. OBJECTIVES: In this post hoc analysis, we sought to re-evaluate the results from the DOMINO study using common statistical tools and to apply the statistical models used in the DOMINO study to a pooled data set of 24- to 28-week randomized trials of memantine in patients with moderate to severe AD in order to explore the robustness of the primary findings from the DOMINO study. DESIGN: DOMINO study: Randomized, double blind, placebo-controlled trial (Current Controlled Trial number, ISRCTN49545035); Memantine Clinical Trial Program: Pooled analysis from four randomized, double-blind, placebo-controlled trials. SETTING: DOMINO study: United Kingdom; Memantine Clinical Trial Program: Multinational. PARTICIPANTS: DOMINO study: 295 participants enrolled during the period of February 2008 to March 2010; Memantine Clinical Trial Program: 1417 participants enrolled between August 1998 and January 2008. MEASUREMENTS: In the DOMINO study, the co-primary outcome measures were scores on the Standardized Mini-Mental State Examination and the Bristol Activities of Daily Living Scale; Neuropsychiatric Inventory was a secondary measure. In the Memantine Clinical Trial Program, outcome measures included the Severe Impairment Battery, the 19-item Alzheimer's Disease Cooperative Study - Activities of Daily Living scale, Neuropsychiatric Inventory, and a 4-Domain Composite Index (Z-score; a post hoc assessment). RESULTS: Both the pooled analysis of the Memantine Clinical Trial Program and the re-assessment of the DOMINO study with common statistical tools showed that adding memantine to donepezil therapy is associated with benefits across multiple clinical domains. CONCLUSIONS: The current analyses suggest that the results of the DOMINO study do not contradict previous studies which investigated the combined effects of memantine-cholinesterase inhibitor treatment. PMID- 29226943 TI - An Open-Label Trial of Yokukansan on Sleep Disturbance in Alzheimer's Disease and Other Dementia. AB - BACKGROUND: An effective hypnotic drug with a low risk of adverse reactions is required for Alzheimer's disease (AD) patients, because the therapeutic interventions to improve sleep quality may help alleviate some symptoms of AD including cognitive function. OBJECTIVE: The aim of this study was to investigate the efficacy and safety of Yokukansan in sleep disturbances in patients with AD and other dementia. DESIGN: An open-label trial. SETTING: Two sites consist of university and hospital in Japan. PARTICIPANTS: Thirteen patients (7 men and 6 women, average age = 76.0 +/- 7.2 (mean +/- SD) years old) including 12 AD and 1 frontotemporal dementia. INTERVENTION: Treatment with Yokukansan (5-7.5 g/day) was given for 8 weeks. MEASUREMENTS: The primary outcome measure was the Sleep Disorder Inventory (SDI) based on the Neuropsychiatric Inventory, an instrument developed by the Alzheimer's Disease Cooperative Study. Secondary outcome measures included the objective actigraphic evaluations, Neuropsychiatric Inventory-Questionnaire (NPI-Q), MINI-Mental State Examination (MMSE). These assessments were evaluated at baseline, and weeks 4 and 8. RESULTS: After 4 and 8 weeks treatment with Yokukansan, significant improvements were observed in the SDI total score, caregivers' distress score, and NPI-Q total score. In actigraph data, wake after sleep onset (WASO) time (min), was significantly improved. The MMSE score did not change during the treatment. No serious adverse events were caused by YKS. CONCLUSION: The present results suggest that Yokukansan is safe and beneficial in the treatment of sleep disturbances and that it can possibly reduce the burden of care of demented patients. PMID- 29226944 TI - The Relationship of Hemoglobin Levels, Delirium and Cognitive Status in Hospitalized Geriatric Patients: Results from the CRIME Study. AB - OBJECTIVE: Delirium is a frequent clinical complication in geriatric patients admitted to the hospital, because of the simultaneous presence and synergistic effect of predisposing and precipitating factors. Also anaemia is a common concern in geriatric population. The aim of this study was to investigate the association between anaemia (precipitating factor) and delirium in a sample of Italian older hospitalized patients with different degree of cognitive impairment (predisposing factor). DESIGN, SETTING, PARTICIPANTS: Cross-sectional analysis of 1069 participants enrolled in the CRIME study, with assessment of hemoglobin levels at hospital admission. MEASUREMENTS: Delirium was assessed using DSM-IV criteria, whereas cognitive status was categorized as dementia, cognitive impairment or normal, according to clinical history, specific treatment and MMSE score. Anaemia was defined according to sex-specific WHO criteria. The association of hemoglobin levels and delirium was investigated with multivariable logistic regression models. RESULTS: Mean age of study participants was 81.4+/ 7.2 years, 52.2% had prevalent anaemia, 6.1% had delirium. According to cognitive status 20.8% had dementia and 40.9% had cognitive impairment. Overall there was no association between anaemia and delirium. However, among patients with cognitive impairment (MMSE <24, no dementia) anaemia was significantly associated with the likelihood of delirium (p<0.006). Multivariate logistic regression analysis, adjusted for potential confounders, showed in these patients a graded increased risk of delirium according to anaemia severity with an almost six-fold increased risk of delirium in moderate-severe anaemia (OR 5.95, 95% CI:1.15 30.73). CONCLUSION: In older patients with cognitive impairment moderate-severe anaemia is independently associated with the likelihood of delirium. Further studies should investigate if anaemia correction would translate in delirium risk reduction. PMID- 29226945 TI - The Road Ahead To Cure And Prevent Alzheimer's Disease: Implementing Prevention into Primary Care. AB - Most old adults receive their health care from their primary care practitioner; as a consequence, as the population ages, the manifestations and complications of cognitive impairment and dementia impose a growing burden on providers of primary care. Current guidelines do not recommend routine cognitive screening for older persons by primary care physicians, although the vast majority recommend a cognitive status assessment and neurological examination for subjects with a cognitive complaint. Also, no clinical practice guidelines recommend interventions in older adults with cognitive impairment in primary care settings. However, primary care physicians need to conduct a review of risks and protective factors associated with cognitive decline and organize interventions to improve or maintain cognitive function. Recent epidemiological studies have indicated numerous associations between lifestyle-related risk factors and incidental cognitive impairment. The development of biomarkers could also help in diagnosis, prognosis, selection for clinical trials, and objective assessment of therapeutic responses. Interventions aimed at cognitive impairment prevention should be pragmatic and easy to implement on a large scale in different health care systems, without generating high additional costs or burden on participants, medical and social care teams. PMID- 29226946 TI - New Findings with Reanalysis of the Domino Trial ? PMID- 29226947 TI - Phenotype expansion and development in Kosaki overgrowth syndrome. AB - We expand the Kosaki overgrowth syndrome (KOGS) phenotype by over 70% to include 24 unreported KOGS symptoms, in a first male patient, the third overall associated with the PDGFRB c.1751C>G p.(Pro584Arg) mutation. Eighteen of these symptoms are unique to our patient, the remaining six are shared with other patients. Of the 24 unreported features overall, 6 show marked phenotype evolution and varying time of onset. The triangular face detected at 14 months and long palpebral fissures with lateral ectropion at 4 years are present in other members of the cohort. The remaining 4 are unique to Patient 5: pronounced macrocephaly from birth, increasingly triangular anterior skull from 14 months, camptodactyly, emerging at 4 years and worsening joint contractures from 6 years. Compilation of all new symptoms reported here with published clinical data further identifies at least 18 clinical parameters common to all cases to date, encompassing both known KOGS-associated PDGFRB mutations. We therefore propose a set of 18 core KOGS symptoms, with 16 present in early childhood. These results should also impact diagnostic/prognostic scope, intervention and outcome potential for KOGS patients, particularly for developmentally progressive conditions such as scoliosis and myofibroma. PMID- 29226948 TI - MiR-182-5p inhibited oxidative stress and apoptosis triggered by oxidized low density lipoprotein via targeting toll-like receptor 4. AB - MicroRNAs (miRNAs) exhibit various roles in multiple biological processes and abnormal expression of miR-182-5p has been involved in many diseases. However, the role miR-182-5p in Atherosclerosis (AS) remains poorly understood. In our current investigation, an AS model was established by using oxidized low-density lipoprotein (ox-LDL) in RAW264.7 cells. miR-182-5p was markedly decreased in AS model dose-dependently and time-dependently. Additionally, CD36, oil-red staining levels, TC, and TG were inhibited by miR-182-5p mimics, meanwhile ROS levels, MDA, and cell apoptosis were also restrained with an enhancement of SOD activity. Consistently, opposite results were exhibited when miR-182-5p inhibitors were transfected into RAW264.7 cells. It is well known that toll-like receptor 4 (TLR4) is responsible for many inflammation diseases. By using bioinformatics analysis, TLR4 was indicated as a potential target of miR-182-5p. We observed TLR4 was activated in AS models and miR-182-5p could repress AS progression by targeting TLR4 in vitro. In conclusion, we uncovered that miR-182-5p played significant roles in AS through inhibiting oxidative stress and apoptosis via inactivating TLR4 expression. PMID- 29226949 TI - Thrombolysis for acute upper extremity deep vein thrombosis. AB - BACKGROUND: About 5% to 10% of all deep vein thromboses occur in the upper extremities. Serious complications of upper extremity deep vein thrombosis, such as post-thrombotic syndrome and pulmonary embolism, may in theory be avoided using thrombolysis. No systematic review has assessed the effects of thrombolysis for the treatment of individuals with acute upper extremity deep vein thrombosis. OBJECTIVES: To assess the beneficial and harmful effects of thrombolysis for the treatment of individuals with acute upper extremity deep vein thrombosis. SEARCH METHODS: The Cochrane Vascular Information Specialist (CIS) searched the Specialised Register (29 March 2017), the Cochrane Central Register of Controlled Trials (CENTRAL; 2017, Issue 2), and three trial registries (World Health Organization International Clinical Trials Registry, ClinicalTrials.gov, and ISRCTN registry) for ongoing and unpublished studies. We additionally searched the registries of the European Medical Agency and the US Food and Drug Administration (December 2016). SELECTION CRITERIA: We planned to include randomised clinical trials irrespective of publication type, publication date and language that investigated the effects of thrombolytics added to anticoagulation, thrombolysis versus anticoagulation, or thrombolysis versus any other type of medical intervention for the treatment of acute upper extremity deep vein thrombosis. DATA COLLECTION AND ANALYSIS: Two review authors independently screened all records to identify those that met inclusion criteria. We planned to use the standard methodological procedures expected by Cochrane. We planned to use trial domains to assess the risks of systematic error (bias) in the trials. We planned to conduct trial sequential analyses to control for the risk of random errors and to assess the robustness of our conclusions. We planned to consider a P value of 0.025 or less as statistically significant. We planned to assess the quality of the evidence using the GRADE approach. Our primary outcomes were severe bleeding, pulmonary embolism, and all-cause mortality. MAIN RESULTS: We found no trials eligible for inclusion. We also identified no ongoing trials. AUTHORS' CONCLUSIONS: There is currently insufficient evidence from which to draw conclusion on the benefits or harms of thrombolysis for the treatment of individuals with acute upper extremity deep vein thrombosis as an add-on therapy to anticoagulation, alone compared with anticoagulation, or alone compared with any other type of medical intervention. Large randomised clinical trials with a low risk of bias are warranted. They should focus on clinical outcomes and not solely on surrogate measures. PMID- 29226950 TI - Syndecans in chronic inflammatory and autoimmune diseases: Pathological insights and therapeutic opportunities. AB - Syndecans (SDCs) are a family of heparan sulfate proteoglycans (HSPGs) glycoproteins ubiquitously expressed on the cell surfaces and extracellular matrix of all mammalian tissues. There are four mammalian syndecans, SDC-1 thorough 4, which play a critical role in cell adhesion, migration, proliferation, differentiation, and angiogenesis through independent and growth factor mediated signaling. An altered expression of SDCs is often observed in autoimmune disorders, cancer, HIV infection, and many other pathological conditions. SDCs modulate disease progression by interacting with a diverse array of ligands, receptors, and other proteins, including extracellular matrix, glycoproteins, integrins, morphogens, and various growth factors and chemokines, along with their receptors and kinases. Specifically, SDCs present on cell surface can bind directly to chemokines to enhance their binding to receptors, downstream signaling, and migration. Alternatively, SDCs can be cleaved and shed to mediate negative regulation of chemokine and growth factor signaling pathways and ligand sequestration. Importantly, SDC shedding may be a biomarker of inflammation, especially in chronic inflammatory diseases. While the current therapies for cancer and several autoimmune disorders have revolutionized treatment outcomes, understanding the pathophysiological role of SDCs and the use of HSPG mimetic or antagonists on cytokine signaling networks may uncover potentially novel targeted therapeutic approaches. This review mainly summarizes the current findings on the role of individual SDCs in disease processes, mechanisms through which SDCs mediate their biological functions, and the possibility of targeting SDCs as future potential therapeutic approaches. PMID- 29226951 TI - Cigarette smoke and non-neuronal cholinergic system in the airway epithelium of COPD patients. AB - Acetylcholine (ACh), synthesized by Choline Acetyl-Transferase (ChAT), exerts its physiological effects via mAChRM3 in epithelial cells. We hypothesized that cigarette smoke affects ChAT, ACh, and mAChRM3 expression in the airways from COPD patients promoting airway disease. ChAT, ACh, and mAChRM3 were assessed: "ex vivo" in the epithelium from central and distal airways of COPD patients, Healthy Smoker (S) and Healthy Subjects (C), and "in vitro" in bronchial epithelial cells stimulated with cigarette smoke extract (CSE). In central airways, mAChRM3, ChAT, and ACh immunoreactivity was significantly higher in the epithelium from S and COPD than in C subjects. mAChRM3, ChAT, and ACh score of immunoreactivity was high in the metaplastia area of COPD patients. mAChRM3/ChAT and ACh/ChAT co localization of immunoreactivity was observed in the bronchial epithelium from COPD. In vitro, CSE stimulation significantly increased mAChRM3, ChAT, and ACh expression and mAChRM3/ChAT and ACh/ChAT co-localization in 16HBE and NHBE, and increased 16HBE proliferation. Cigarette smoke modifies the levels of mAChMR3, ChAT expression, and ACh production in bronchial epithelial cells from COPD patients. Non-neuronal components of cholinergic system may have a role in the mechanism of bronchial epithelial cell proliferation, promoting alteration of normal tissue, and of related pulmonary functions. PMID- 29226952 TI - Differential expression of microRNAs let-7a, miR-125b, miR-100, and miR-21 and interaction with NF-kB pathway genes in periodontitis pathogenesis. AB - Periodontitis is a chronic inflammatory disease which is caused by destruction of the tissues that surrounds and supports the tooth. Deregulation of microRNAs has been reported to cause several inflammatory diseases such as autoimmune disease, chronic periodontitis, and cancer. In the present study, we have investigated the expression pattern of microRNAs let-7a, miR-125b, miR-100, miR-21, and RNA binding protein LIN-28A among healthy individuals and chronic periodontitis patients. Total RNA was isolated from gingival tissue samples collected from 100 healthy individuals and 100 chronic periodontitis patients. The expression of microRNAs and LIN-28 was performed by qPCR. Target prediction for the microRNAs was done using miRWalk and miRTarbase online databases and the experimentally validated targets were analyzed for their molecular function, biological processes, and related pathways using gProfiler software. The expression analysis revealed that let-7a and miR-21 were upregulated, whereas, miR-100, miR-125b, and LIN-28 were down regulated. The age dependent expression analysis revealed that the expression levels of all the microRNAs and LIN-28 were found to increase with age (more than 50 years), thereby suggesting an increased risk to chronic periodontitis. Among the various targets predicted using miRWalk and miRTarbase databases, NFKB was found to be a common target among all the four microRNAs. gProfiler revealed several functions such as NF-KB signaling pathway, cytokine cytokine receptor interaction, osteoclast differentiation, etc., all of which specific to inflammation and periodontitis. PMID- 29226953 TI - MicroRNAs in cutaneous melanoma: Role as diagnostic and prognostic biomarkers. AB - Melanoma is the leading cause of skin cancer deaths in the United States, and its incidence has been rising steadily for the past 30 years (Aftab, Dinger, & Perera, 2014). A more complete understanding of the molecular mechanisms that drive melanomagenesis is crucial to improve diagnosis, prognostication, and treatment of this disease. Given that melanoma survival rates are better when the disease is detected early, precise diagnostic tests for early melanoma detection would be extremely useful. In addition, as survival rates decrease drastically when the disease becomes metastatic, improved tools to more precisely identify high-risk patients as well as to predict treatment response are necessary. The role of microRNAs (miRNAs) in melanoma biology could be the key. miRNA expression profiling has identified several miRNAs that play a crucial role in melanoma cell proliferation, migration, and invasion, as well as miRNAs involved in apoptosis and in the immune response. Here we review the most current data on the miRNAs involved in melanoma as well as their potential roles as diagnostic and prognostic biomarkers of this disease. PMID- 29226954 TI - Effect of carrot puree in vegetable juice on linguapalatal swallowing pressure. AB - : This study aimed to ascertain the influence of various amounts (0-30%) of carrot puree (CP) in vegetable juice on linguapalatal swallowing pressure in healthy volunteers. Twenty healthy women (age range: 20-22 years) swallowed a 17 ml drink in a natural state, and linguapalatal swallowing pressure was measured using a special sensor sheet. Peak magnitude (maximum pressure of the tongue pushing on the hard palate), integrated values of linguapalatal swallowing pressure on the waveform, and duration of linguapalatal swallowing pressure were increased with increases in CP concentrations. The total integrated value for 30% CP vegetable juice was larger than that of vegetable juice with no CP. The apparent viscosity of the vegetable juice with a low CP concentration was smaller than that with a high CP concentration at the same shear rate. These results suggest that vegetable juice containing CP affects mechanoreceptor activity in the mouth and generates a neuromotor response. PRACTICAL APPLICATIONS: This study aimed to ascertain the influence of various amounts of carrot puree (CP) in vegetable juice on linguapalatal swallowing pressure measured by using a special sensor sheet in healthy volunteers. Obtained results of this study clearly showed that vegetable juice containing CP affects the movement of the tongue in maneuvering the bolus. Moreover, the results demonstrated that this effect depended on the concentration of CP in the vegetable juice. These findings are expected to provide clinically valuable data on the effect of mechanical stimulation during the oral stage of swallowing. PMID- 29226955 TI - Stem cells rescue cardiomyopathy induced by P. gingivalis-LPS via miR-181b. AB - Systemic inflammation induced by bacterial infection is one of several causative agents for cardiovascular disorders in patients with periodontal disease. Experimental results indicate that miRNAs play important roles in systemic inflammation induced by endotoxins. Further evidence states that stem cell based therapy shows potential in the treatment of inflammatory responses induced by sepsis. This study investigates if stem cells show protective effects on cardiomyocyte damage induced by porphyromonas gingivalis-LPS (Pg-LPS) through regulating miRNAs. H9c2 cardiomyoblasts and neonatal rat cardiomyocytes (NRCMs) were damaged using Pg-LPS in this study. Pg-LPS damaged H9c2 or NRCMs were then rescued using adipose-derived stem cells (ADSC). The experimental results reveal that Pg-LPS treatment is capable of inducing TLR4/NFkappaB axis activation, cell death signaling and IGF1R/PI3 K/Akt axis suppression. miR181b was downregulated in Pg-LPS damaged H9c2/NRCMs. All markers were improved in H9c2/NRCMs cocultured with ADSC. miR181b mimic and inhibitor confirmed that miR181b plays a central role in regulating the cardio protective effect on Pg-LPS damaged H9c2/NRCMs cocultured with ADSC. miR181b acts as potential therapeutic marker in cardiomyopathy induced by Pg-LPS. Transplantation of adipose-derived stem cells show potential in the treatment of cardiomyopathy induced by porphyromonas gingivalis endotoxin via regulation of miR181b. PMID- 29226956 TI - Analysis of secreted peptidome from omental adipose tissue in polycystic ovarian syndrome patients. AB - Polycystic ovarian syndrome (PCOS) is a common endocrinopathy associated with increased risk of metabolic disorders. Prevalence of adiposity and obesity is greater in women suffering from PCOS. Moreover, adipose tissue dysfunction has been demonstrated in PCOS patients, particularly in abdominal adipose tissue. This dysfunction likely aggravates the metabolic and reproductive abnormalities. We used liquid chromatography-mass spectrometry to compare the peptides secreted from PCOS and non-PCOS abdominal adipose tissue. We detected 298 upregulated peptides and 31 downregulated peptides (absolute fold change >= 2 and p < 0.05). Twenty-nine peptides were only detected in the PCOS group, while 18 were only detected in the control group. In addition, we demonstrate that these cleavage products are not degradation products of the proteasome based on previous studies reported. Gene Ontology enrichment and pathway analysis were performed to study differentially secreted peptides through their precursor proteins. We identified 12 peptides from 10 precursor proteins associated with PCOS, and 6 peptide sequences were located in the functional domains of their corresponding precursor proteins. These results provide a deeper understanding of adipose tissue-derived peptides in PCOS for future functional studies. PMID- 29226957 TI - Pilot multi-centre randomised trial of the impact of pre-operative focused cardiac ultrasound on mortality and morbidity in patients having surgery for femoral neck fractures (ECHONOF-2 pilot). AB - Hip fracture surgery is common, usually occurs in elderly patients who have multiple comorbidities, and is associated with high morbidity and mortality. Pre operative focused cardiac ultrasound can alter diagnosis and management, but its impact on outcome remains uncertain. This pilot study assessed feasibility and group separation for a proposed large randomised clinical trial of the impact of pre-operative focused cardiac ultrasound on patient outcome after hip fracture surgery. Adult patients requiring hip fracture surgery in four teaching hospitals in Australia were randomly allocated to receive focused cardiac ultrasound before surgery or not. The primary composite outcome was any death, acute kidney injury, non-fatal myocardial infarction, cerebrovascular accident, pulmonary embolism or cardiopulmonary arrest within 30 days of surgery. Of the 175 patients screened, 100 were included as trial participants (screening:recruitment ratio 1.7:1), 49 in the ultrasound group and 51 as controls. There was one protocol failure among those recruited. The primary composite outcome occurred in seven of the ultrasound group patients and 12 of the control group patients (relative group separation 39%). Death, acute kidney injury and cerebrovascular accident were recorded, but no cases of myocardial infarction, pulmonary embolism or cardiopulmonary arrest ocurred. Focused cardiac ultrasound altered the management of 17 participants, suggesting an effect mechanism. This pilot study demonstrated that enrolment and the protocol are feasible, that the primary composite outcome is appropriate, and that there is a treatment effect favouring focused cardiac ultrasound - and therefore supports a large randomised clinical trial. PMID- 29226958 TI - Masking exposure to phobic stimuli reduces fear without inducing electrodermal activity. AB - A series of experiments has shown that limiting awareness of exposure to feared stimuli through visual masking-or very brief exposure (VBE)-reduces avoidance of a live tarantula by spider-phobic participants. We investigated this process of fear reduction by directly relating the effects of VBE on electrodermal activity to its ensuing effects on phobic behavior. Sixty spider-phobic participants, identified by approaching a live tarantula and a questionnaire, were administered either VBE to masked spiders or control exposure to masked flowers. Skin conductance levels (SCLs) were continuously recorded during exposure. The participants approached the tarantula again immediately thereafter. VBE reduced avoidance of the tarantula and did not increase SCLs or cause subjective distress relative to control exposure. SCL increases during VBE were strongly negatively correlated with the reduction of self-reported fear of the tarantula: the less that SCLs increased during VBE, the more it reduced fear. VBE only increased SCLs in participants whose fear was not reduced; it did not increase SCLs in participants whose fear of the tarantula was reduced. Awareness of the stimuli did not mediate these effects. Control exposure did not yield any of these effects. In a second experiment, clearly visible exposure to spider images increased SCLs and subjective distress more than both VBE and control exposure, whereas VBE did not increase SCLs or subjective distress relative to control exposure within the same spider-phobic participants. These findings suggest that exposure to phobic images can reduce fear even when it bypasses the induction of electrodermal activity. PMID- 29226960 TI - An adaptive orienting theory of error processing. AB - The ability to detect and correct action errors is paramount to safe and efficient goal-directed behaviors. Existing work on the neural underpinnings of error processing and post-error behavioral adaptations has led to the development of several mechanistic theories of error processing. These theories can be roughly grouped into adaptive and maladaptive theories. While adaptive theories propose that errors trigger a cascade of processes that will result in improved behavior after error commission, maladaptive theories hold that error commission momentarily impairs behavior. Neither group of theories can account for all available data, as different empirical studies find both impaired and improved post-error behavior. This article attempts a synthesis between the predictions made by prominent adaptive and maladaptive theories. Specifically, it is proposed that errors invoke a nonspecific cascade of processing that will rapidly interrupt and inhibit ongoing behavior and cognition, as well as orient attention toward the source of the error. It is proposed that this cascade follows all unexpected action outcomes, not just errors. In the case of errors, this cascade is followed by error-specific, controlled processing, which is specifically aimed at (re)tuning the existing task set. This theory combines existing predictions from maladaptive orienting and bottleneck theories with specific neural mechanisms from the wider field of cognitive control, including from error specific theories of adaptive post-error processing. The article aims to describe the proposed framework and its implications for post-error slowing and post-error accuracy, propose mechanistic neural circuitry for post-error processing, and derive specific hypotheses for future empirical investigations. PMID- 29226961 TI - Detection of deception: Event-related potential markers of attention and cognitive control during intentional false responses. AB - Successful deception requires the coordination of multiple mental processes, such as attention, conflict monitoring, and the regulation of emotion. We employed a simple classification task, assessing ERPs to further investigate the attentional and cognitive control components of (instructed) deception. In Experiment 1, 20 participants repeatedly categorized visually presented names of five animals and five plants. Prior to the experiment, however, each participant covertly selected one animal and one plant for deliberate misclassification. For these critical items, we observed significantly increased response times (RTs), error rates, and amplitudes of three ERP components: anterior P3a indicating the processing of task relevance, medial-frontal negativity reflecting conflict monitoring, and posterior P3b indicating sustained visual attention. In a blind identification of the individual critical words based on a priori defined criteria, an algorithm using two behavioral and two ERP measures combined showed a sensitivity of 0.73 and a specificity of 0.95, thus performing far above chance (0.2/0.2). Experiment 2 used five clothing and five furniture names and successfully replicated the findings of Experiment 1 in 25 new participants. For detection of the critical words, the algorithm from Experiment 1 was reused with only slight adjustments of the ERP time windows. This resulted in a very high detection performance (sensitivity 0.88, specificity 0.94) and significantly outperformed an algorithm based on RT alone. Thus, at least under controlled laboratory conditions, a highly accurate detection of instructed lies via the attentional and cognitive control components is feasible, and benefits strongly from combined behavioral and ERP measures. PMID- 29226959 TI - Larvivorous fish for preventing malaria transmission. AB - BACKGROUND: Adult female Anopheles mosquitoes can transmit Plasmodium parasites that cause malaria. Some fish species eat mosquito larvae and pupae. In disease control policy documents, the World Health Organization (WHO) includes biological control of malaria vectors by stocking ponds, rivers, and water collections near where people live with larvivorous fish to reduce Plasmodium parasite transmission. In the past, the Global Fund has financed larvivorous fish programmes in some countries, and, with increasing efforts in eradication of malaria, policymakers may return to this option. Therefore, we assessed the evidence base for larvivorous fish programmes in malaria control. OBJECTIVES: To evaluate whether introducing larvivorous fish to anopheline larval habitats impacts Plasmodium parasite transmission. We also sought to summarize studies that evaluated whether introducing larvivorous fish influences the density and presence of Anopheles larvae and pupae in water sources. SEARCH METHODS: We searched the Cochrane Infectious Diseases Group Specialized Register; the Cochrane Central Register of Controlled Trials (CENTRAL), published in the Cochrane Library; MEDLINE (PubMed); Embase (Ovid); CABS Abstracts; LILACS; and the metaRegister of Controlled Trials (mRCT) up to 6 July 2017. We checked the reference lists of all studies identified by the search. We examined references listed in review articles and previously compiled bibliographies to look for eligible studies. Also we contacted researchers in the field and the authors of studies that met the inclusion criteria for additional information regarding potential studies for inclusion and ongoing studies. This is an update of a Cochrane Review published in 2013. SELECTION CRITERIA: Randomized controlled trials (RCTs) and non-RCTs, including controlled before-and-after studies, controlled time series, and controlled interrupted time series studies from malaria-endemic regions that introduced fish as a larvicide and reported on malaria in the community or the density of the adult anopheline population. In the absence of direct evidence of an effect on transmission, we performed a secondary analysis on studies that evaluated the effect of introducing larvivorous fish on the density or presence of immature anopheline mosquitoes (larvae and pupae forms) in water sources to determine whether this intervention has any potential that may justify further research in the control of malaria vectors. DATA COLLECTION AND ANALYSIS: Two review authors independently screened each article by title and abstract, and examined potentially relevant studies for inclusion using an eligibility form. At least two review authors independently extracted data and assessed risk of bias of included studies. If relevant data were unclear or were not reported, we contacted the study authors for clarification. We presented data in tables, and we summarized studies that evaluated the effects of introducing fish on anopheline immature density or presence, or both. We used the GRADE approach to summarize the certainty of the evidence. We also examined whether the included studies reported any possible adverse impact of introducing larvivorous fish on non-target native species. MAIN RESULTS: We identified no studies that reported the effects of introducing larvivorous fish on the primary outcomes of this review: malaria infection in nearby communities, entomological inoculation rate, or on adult Anopheles density.For the secondary analysis, we examined the effects of introducing larvivorous fish on the density and presence of anopheline larvae and pupae in community water sources, and found 15 small studies with a follow-up period between 22 days and five years. These studies were undertaken in Sri Lanka (two studies), India (three studies), Ethiopia (one study), Kenya (two studies), Sudan (one study), Grande Comore Island (one study), Korea (two studies), Indonesia (one study), and Tajikistan (two studies). These studies were conducted in a variety of settings, including localized water bodies (such as wells, domestic water containers, fishponds, and pools (seven studies); riverbed pools below dams (two studies)); rice field plots (five studies); and water canals (two studies). All included studies were at high risk of bias. The research was insufficient to determine whether larvivorous fish reduce the density of Anopheles larvae and pupae (12 studies, unpooled data, very low certainty evidence). Some studies with high stocking levels of fish seemed to arrest the increase in immature anopheline populations, or to reduce the number of immature anopheline mosquitoes, compared with controls. However, this finding was not consistent, and in studies that showed a decrease in immature anopheline populations, the effect was not always consistently sustained. In contrast, some studies reported larvivorous fish reduced the number of water sources withAnopheles larvae and pupae (five studies, unpooled data, low certainty evidence).None of the included studies reported effects of larvivorous fish on local native fish populations or other species. AUTHORS' CONCLUSIONS: We do not know whether introducing larvivorous fish reduces malaria transmission or the density of adult anopheline mosquito populations.In research studies that examined the effects on immature anopheline stages of introducing fish to potential malaria vector larval habitats, high stocking levels of fish may reduce the density or presence of immature anopheline mosquitoes in the short term. We do not know whether this translates into impact on malaria transmission. Our interpretation of the current evidence is that countries should not invest in fish stocking as a stand alone or supplementary larval control measure in any malaria transmission areas outside the context of research using carefully controlled field studies or quasi-experimental designs. Such research should examine the effects on native fish and other non-target species. PMID- 29226962 TI - EEG frequency PCA in EEG-ERP dynamics. AB - Principal components analysis (PCA) has long been used to decompose the ERP into components, and these mathematical entities are increasingly accepted as meaningful and useful representatives of the electrophysiological components constituting the ERP. A similar expansion appears to be beginning in regard to decomposition of the EEG amplitude spectrum into frequency components via frequency PCA. However, to date, there has been no exploration of the brain's dynamic EEG-ERP linkages using PCA decomposition to assess components in each measure. Here, we recorded intrinsic EEG in both eyes-closed and eyes-open resting conditions, followed by an equiprobable go/no-go task. Frequency PCA of the EEG, including the nontask resting and within-task prestimulus periods, found seven frequency components within the delta to beta range. These differentially predicted PCA-derived go and no-go N1 and P3 ERP components. This demonstration suggests that it may be beneficial in future brain dynamics studies to implement PCA for the derivation of data-driven components from both the ERP and EEG. PMID- 29226963 TI - Retraction: Pu, S., Zhao, Y., Zhou, G., Zhu, H., Gong, L., Zhang, W., Huang, G., Wang, D. and Liu, D., Effect of CDK1 shRNA on proliferation, migration, cell cycle and apoptosis in non-small cell lung cancer. J. Cell. Physiol. Accepted Author Manuscript. doi: 10.1002/jcp.26387. AB - The above article from the Journal of Cellular Physiology, published online on 11 December 2017 in Wiley Online Library as an Accepted Article, has been withdrawn by agreement between the authors, the journal Editor in Chief, Gary Stein and Wiley Periodicals, Inc. The withdrawal has been agreed because the article has been submitted for publication without the consent of all authors. PMID- 29226964 TI - Quantifying the contribution of mass flow to nitrogen acquisition by an individual plant root. AB - The classic model of nitrogen (N) flux into roots is as a Michaelis-Menten (MM) function of soil-N concentration at root surfaces. Furthermore, soil-N transport processes that determine soil-N concentration at root surfaces are seen as a bottleneck for plant nutrition. Yet, neither the MM relationship nor soil-N transport mechanisms are represented in current terrestrial biosphere models. Processes governing N supply to roots - diffusion, mass flow, N immobilization by soil microbes - are incorporated in a model of root-N uptake. We highlight a seldom considered interaction between these processes: nutrient traverses the rhizosphere more quickly in the presence of mass flow, reducing the probability of its immobilization before reaching the root surface. Root-N uptake is sensitive to the rate of mass flow for widely spaced roots with high N uptake capacity, but not for closely spaced roots or roots with low uptake capacity. The results point to a benefit of root switching from high- to low-affinity N transport systems in the presence of mass flow. Simulations indicate a strong impact of soil water uptake on N delivery to widely spaced roots through transpirationally driven mass flow. Furthermore, a given rate of N uptake per unit soil volume may be achieved by lower root biomass in the presence of mass flow. PMID- 29226965 TI - Brain reflections: A circuit-based framework for understanding information processing and cognitive control. AB - Here, I propose a view of the architecture of the human information processing system, and of how it can be adapted to changing task demands (which is the hallmark of cognitive control). This view is informed by an interpretation of brain activity as reflecting the excitability level of neural representations, encoding not only stimuli and temporal contexts, but also action plans and task goals. The proposed cognitive architecture includes three types of circuits: open circuits, involved in feed-forward processing such as that connecting stimuli with responses and characterized by brief, transient brain activity; and two types of closed circuits, positive feedback circuits (characterized by sustained, high-frequency oscillatory activity), which help select and maintain representations, and negative feedback circuits (characterized by brief, low frequency oscillatory bursts), which are instead associated with changes in representations. Feed-forward activity is primarily responsible for the spread of activation along the information processing system. Oscillatory activity, instead, controls this spread. Sustained oscillatory activity due to both local cortical circuits (gamma) and longer corticothalamic circuits (alpha and beta) allows for the selection of individuated representations. Through the interaction of these circuits, it also allows for the preservation of representations across different temporal spans (sensory and working memory) and their spread across the brain. In contrast, brief bursts of oscillatory activity, generated by novel and/or conflicting information, lead to the interruption of sustained oscillatory activity and promote the generation of new representations. I discuss how this framework can account for a number of psychological and behavioral phenomena. PMID- 29226967 TI - Gender-specific expression of GIBBERELLIC ACID INSENSITIVE is critical for unisexual organ initiation in dioecious Spinacia oleracea. AB - While unisexual flowers have evolved repeatedly throughout angiosperm families, the actual identification of sex-determining genes has been elusive, and their regulation within populations remains largely undefined. Here, we tested the mechanism of the feminization pathway in cultivated spinach (Spinacia oleracea), and investigated how this pathway may regulate alternative sexual development. We tested the effect of gibberellic acid (GA) on sex determination through exogenous applications of GA and inhibitors of GA synthesis and proteasome activity. GA concentrations in multiple tissues were estimated by enzyme-linked immunosorbent assay analysis. Gene function was investigated and pathway analysis was performed through virus-induced gene silencing. Relative gene expression levels were estimated by quantitative reverse transcription-polymerase chain reaction. Inhibition of GA production and proteasome activity feminized male flowers. However, there was no difference in GA content in tissues between males and females. We characterized a single DELLA family transcription factor gene (GIBBERELLIC ACID INSENSITIVE (SpGAI)) and observed inflorescence expression in females two-fold higher than in males. Reduction of SpGAI expression in females to male levels phenocopied exogenous GA application with respect to flower development. These results implicate SpGAI as the feminizing factor in spinach, and suggest that the feminizing pathway is epistatic to the masculinizing pathway. We present a unified model for alternative sexual development and discuss the implications for established theory. PMID- 29226966 TI - Using trial-level data and multilevel modeling to investigate within-task change in event-related potentials. AB - EEG data, and specifically the ERP, provide psychologists with the power to examine quickly occurring cognitive processes at the native temporal resolution at which they occur. Despite the advantages conferred by ERPs to examine processes at different points in time, ERP researchers commonly ignore the trial to-trial temporal dimension by collapsing across trials of similar types (i.e., the signal averaging approach) because of constraints imposed by repeated measures ANOVA. Here, we present the advantages of using multilevel modeling (MLM) to examine trial-level data to investigate change in neurocognitive processes across the course of an experiment. Two examples are presented to illustrate the usefulness of this technique. The first demonstrates decreasing differentiation in N170 amplitude to faces of different races across the course of a race categorization task. The second demonstrates attenuation of the ERN as participants commit more errors within a task designed to measure implicit racial bias. Although the examples presented here are within the realm of social psychology, the use of MLM to analyze trial-level EEG data has the potential to contribute to a number of different theoretical domains within psychology. PMID- 29226968 TI - Study of microRNAs targeted Dvl2 on the osteoblasts differentiation of rat BMSCs in hyperlipidemia environment. AB - Dishevelled 2 (Dvl-2), a key mediator of the wnt/beta-catenin signaling pathway, plays critical roles in osteoblasts differentiation in hyperlipidemia environment. In our previous study, we observed a strong correlation between increased dvl2 expression and decreased new bone formation around implants in a rat hyperlipidemia implant surgery model. However, transcriptional regulation of Dvl2 by microRNAs in this process remains unknown. In the current study, we searched in online database and identified four significantly up-regulated miRNAs, miR-21-5p, miR-29c-3p, miR-138-5p, and miR-351-5p that could potentially regulate Dvl2. Using Western blot and dual-luciferase assays, we confirmed that miR29c-3p suppresses Dvl2 expression by binding to its 3'-UTR. Our results suggest a novel transcriptional regulation mechanism of Dvl2 by miR-29c-3p in osteoblasts differentiation of BMSCs. PMID- 29226969 TI - Cudratricusxanthone A attenuates sepsis-induced liver injury via SIRT1 signaling. AB - Cudratricusxanthone A (CTXA), a natural bioactive compound extracted from the roots of Cudraniatricuspidata Bureau, is known to possess antithrombotic, antiproliferative, and antiinflammatory activities. It remains unclear that CTXA can improve hepatoprotective activity in vivo. The objective of this study was to investigate the effect of CTXA on lipopolysaccharide (LPS)-induced liver failure in mice, and to elucidate its underlying molecular mechanisms. Liver failure was induced by LPS (15 mg/kg, i.p.) in mice, and 12 hr later, they were treated intravenously with CTXA. Administration of LPS significantly increased mortality, serum levels of alanine transaminase (ALT), aspartate transaminase (AST), and serum inflammatory cytokines. CTXA treatment effectively countered these effects of LPS. Further, LPS treatment markedly increased the expression of myeloperoxidase, phosphorylation of p38, extracellular signal-regulated kinase (ERK), and c-Jun N-terminal kinase (JNK), and expressions of nuclear proteins, such as nuclear factor (NF)-kappaB and phosphorylated c-Jun. Additionally, LPS increased the serum levels of tumor necrosis factor (TNF)-alpha and interleukin (IL)-6. All these effects of LPS were attenuated by CTXA. Moreover, CTXA increased the expression of sirtuin-1 (SIRT1) and reduced the expression of acetylated forkhead box O1 box O1 (Ac-FoxO1), acetylated Ac-p53, and acetylated nuclear factor-kappa beta (Ac-NF-kappaB). In conclusion, CTXA alleviates LPS induced liver injury by reducing inflammatory responses and the potential mechanism is associated with SIRT1 signaling activation and finally could be used to treat liver diseases. PMID- 29226971 TI - Intravenous dexamethasone for prophylaxis of postoperative nausea and vomiting after administration of long-acting neuraxial opioids: a systematic review and meta-analysis. AB - Long-acting neuraxial opioids provide excellent analgesia after surgery, but are associated with higher rates of postoperative nausea and vomiting. Dexamethasone effectively prevents postoperative nausea and vomiting after general anaesthesia, but its value in patients receiving long-acting neuraxial opioids is undetermined. Therefore, the objective of this meta-analysis was to assess the prophylactic anti-emetic efficacy of intravenous (i.v.) dexamethasone in this population. The study methodology followed the PRISMA statement guidelines. The primary outcome was the need for rescue anti-emetics during the first 24 postoperative hours, analysed according to the dose of dexamethasone (low-dose 2.5-5.0 mg; intermediate dose 6.0-10.0 mg), timing of administration (beginning or end of surgery) and route of long-acting opioid administration (intrathecal or epidural). Additionally, the rates of complications (restlessness, infection, hyperglycaemia) were sought. Thirteen trials were identified, representing a total of 1111 patients. When compared with placebo, intravenous dexamethasone reduced the need for rescue anti-emetics (risk ratio (95%CI) 0.44 (0.35-0.56); I2 = 43%; p < 0.00001; quality of GRADE evidence: moderate), without differences between dexamethasone doses (p for sub-group difference = 0.67), timing of administration (p for sub-group difference = 0.32) or route of long-acting opioid (p for sub-group difference = 0.10). No patients developed infection or restlessness among trials that sought these complications. No trial measured blood glucose levels. In conclusion, there is enough evidence to state that intravenous dexamethasone provides effective anti-emetic prophylaxis during the first 24 postoperative hours in patients who receive long-acting neuraxial opioids. PMID- 29226970 TI - A dominant-interfering camta3 mutation compromises primary transcriptional outputs mediated by both cell surface and intracellular immune receptors in Arabidopsis thaliana. AB - Pattern recognition receptors (PRRs) and nucleotide-binding domain and leucine rich repeat (LRR)-containing proteins (NLRs) initiate pattern-triggered immunity (PTI) and effector-triggered immunity (ETI), respectively, each associated with the activation of an overlapping set of defence genes. The regulatory mechanism behind this convergence of PTI- and ETI-mediated defence gene induction remains elusive. We generated transgenic Arabidopsis plants that enable conditional NLR activation without pathogen infection to dissect NLR- and PRR-mediated transcriptional signals. A comparative analysis of over 40 transcriptome datasets linked calmodulin-binding transcription activators (CAMTAs) to the activation of overlapping defence genes in PTI and ETI. We used a dominant camta3 mutant (camta3-D) to assess CAMTA functions in the corresponding transcriptional regulation. Transcriptional regulation by NLRs, although highly similar to PTI responses, can be established independently of pathogen-associated molecular pattern (PAMP) perception, defence phytohormones and host cell death. Conditional expression of the N-terminal coiled-coil domain of the barley MLA (Mildew resistance locus A) NLR is sufficient to trigger similar transcriptional reprogramming as full-length NLRs. CAMTA-binding motifs are overrepresented in the 5' regulatory regions of the identified primary immune response genes, consistent with their altered expression and disease resistance responses in camta3-D plants. We propose that CAMTA-mediated transcriptional regulation defines an early convergence point in NLR- and PRR-mediated signalling. PMID- 29226972 TI - Physiological acclimation dampens initial effects of elevated temperature and atmospheric CO2 concentration in mature boreal Norway spruce. AB - Physiological processes of terrestrial plants regulate the land-atmosphere exchange of carbon, water, and energy, yet few studies have explored the acclimation responses of mature boreal conifer trees to climate change. Here we explored the acclimation responses of photosynthesis, respiration, and stomatal conductance to elevated temperature and/or CO2 concentration ([CO2 ]) in a 3-year field experiment with mature boreal Norway spruce. We found that elevated [CO2 ] decreased photosynthetic carboxylation capacity (-23% at 25 degrees C) and increased shoot respiration (+64% at 15 degrees C), while warming had no significant effects. Shoot respiration, but not photosynthetic capacity, exhibited seasonal acclimation. Stomatal conductance at light saturation and a vapour pressure deficit of 1 kPa was unaffected by elevated [CO2 ] but significantly decreased (-27%) by warming, and the ratio of intercellular to ambient [CO2 ] was enhanced (+17%) by elevated [CO2 ] and decreased (-12%) by warming. Many of these responses differ from those typically observed in temperate tree species. Our results show that long-term physiological acclimation dampens the initial stimulation of plant net carbon assimilation to elevated [CO2 ], and of plant water use to warming. Models that do not account for these responses may thus overestimate the impacts of climate change on future boreal vegetation-atmosphere interactions. PMID- 29226973 TI - Metal-citrate complex transport in Kineococcus radiotolerans. AB - The growth of an organism is highly dependent on the acquisition of carbon and metals, and availability of these nutrients in the environment affects its survival. Organisms can obtain both nutrients simultaneously through proteins of the CitMHS superfamily. Bioinformatic studies suggested a CitMHS gene (Accession number ABS03965.1) in Kineococcus radiotolerans. Radio flux assays following 14-C radiolabelled citrate, either free or complexed to a variety of metal ions, in K. radiotolerans demonstrated internalization of the citrate when bound to select metal ions only, primarily in the form of calcium-citrate. A pH response was also observed, consistent with a permease (ATP independent) mechanism as noted for other CitMHS family members, with greater uptake at pH 7 compared to pH 10. These results confirm the ability of K. radiotolerans to transport complexed citrate. PMID- 29226974 TI - Acute bronchiolitis: Influence of viral co-infection in infants hospitalized over 12 consecutive epidemic seasons. AB - Bronchiolitis is the first lower respiratory tract viral infection manifesting in infants younger than 12 months of age. Our aim was to evaluate clinical and serological differences in infants with bronchiolitis from a single or from multiple viruses. Our secondary aim was to investigate differences in recurrent wheezing episodes after 12-24-36 months of follow-up. We reviewed the clinical records for 486 full-term infants hospitalized for bronchiolitis with at least one virus detected in the nasopharyngeal aspirate. In 431 (88.7%) patients one virus was detected and in 55 (11.3%) infants more than one virus was found. No differences were observed in the length of hospitalization, clinical severity score, O2 supplementation or admission to the intensive care unit. Single virus was associated with higher serum C-reactive protein (C-RP) than infants with multiple viruses and higher blood neutrophil counts. Respiratory syncytial virus (RSV) was the most frequently detected virus. RSV alone was associated with higher C-RP (P = 0.007), compared to RSV coinfection. Infants with human rhinovirus (hRV) alone had higher white blood cell counts, higher blood neutrophils, and higher serum C-RP levels than hRV co-infection (P = 0.029, P = 0.008, P = 0.008). RSV + hRV, the most frequent co-infection, was associated with lower neutrophil count and lower C-RP levels (P = 0.008, P = 0.016) and less fever (P = 0.012), when comparing RSV versus hRV versus RSV + hRV. No differences were found in the frequency of recurrent wheezing between single versus multiple viruses after bronchiolitis. Our findings suggest that in infants with bronchiolitis multiple viral co-infections can occur, without influence in the clinical severity of the disease. Infants with co-infection seems to mount a lower inflammatory response. PMID- 29226975 TI - Mathematical modeling and simulation in animal health. Part III: Using nonlinear mixed-effects to characterize and quantify variability in drug pharmacokinetics. AB - A common feature of human and veterinary pharmacokinetics is the importance of identifying and quantifying the key determinants of between-patient variability in drug disposition and effects. Some of these attributes are already well known to the field of human pharmacology such as bodyweight, age, or sex, while others are more specific to veterinary medicine, such as species, breed, and social behavior. Identification of these attributes has the potential to allow a better and more tailored use of therapeutic drugs both in companion and food-producing animals. Nonlinear mixed effects (NLME) have been purposely designed to characterize the sources of variability in drug disposition and response. The NLME approach can be used to explore the impact of population-associated variables on the relationship between drug administration, systemic exposure, and the levels of drug residues in tissues. The latter, while different from the method used by the US Food and Drug Administration for setting official withdrawal times (WT) can also be beneficial for estimating WT of approved animal drug products when used in an extralabel manner. Finally, NLME can also prove useful to optimize dosing schedules, or to analyze sparse data collected in situations where intensive blood collection is technically challenging, as in small animal species presenting limited blood volume such as poultry and fish. PMID- 29226976 TI - Analysis of variation in virulence of Beauveria bassiana against insect pests of pigeonpea using qPCR. AB - Beauveria bassiana is a broad spectrum microbial bioagent used for the control of agriculturally important insect pests. However, in our experiments, two virulent isolates of B. bassiana (B2 and B10) showed specific preference toward Maruca vitrata and Helicoverpa armigera of pigeonpea. To better understand this feature, we developed a qPCR assay to quantify the chitinase (virulence factor) of B. bassiana during the infection process. Isolates of B. bassiana were grown on insect cuticle amended medium and minimal medium (without insect cuticle) to assess the induction of chitinase. Our results revealed a positive correlation between expression of chitinase by B. bassiana and the substrates (with or without cuticles of M. vitrata and H. armigera) used. This study showcases the methodology to quantify the chitinase and analysis of variation in virulence of B. bassiana (B2 and B10) against M. vitrata and H. armigera. PMID- 29226977 TI - Mechanical responses of the mechanosensitive unstructured domains in cardiac titin. AB - BACKGROUND INFORMATION: Titin is one of the three main filaments in cardiac sarcomere. Besides a chain of Ig domains, cardiac titin also contains a proline (P), glutamate (E), valine (V), lysine (K) (PEVK) domain and a cardiac-specific N2B domain, both are largely unstructured. While they are believed to be involved in the elastic (PEVK and N2B) and the trophic (N2B) functions of the heart, their mechanical responses in physiological level of forces remains poorly understood. RESULTS: In order to gain understanding on their mechanical responses, we used magnetic tweezers to investigate their force responses from 1 to 30 pN. We confirmed that in vitro the PEVK domain is intrinsically disordered within the force range. Surprisingly, we discovered a mechanosensitive folded element in the disordered region of N2B, ~84 amino acids in length, which has a large folding energy of approximately -10 kB T. Based on the force responses of PEVK and N2B domains, as well as an approximated force-dependent unfolding and refolding rates of titin Ig domains, we show that the tension in cardiac titin fluctuates within 5 pN during cardiac contraction and extension cycle using Gillespie simulation algorithm. Exceptionally, the simulation shows that deletion of N2B domain results in 10-fold increase in peak force. CONCLUSION: Our results highlight a critical role that N2B may potentially play in regulating tension on cardiac titin. SIGNIFICANCE: The study provides new insights into the tension regulatory role of unstructured domains in the elastic function of the heart, which has broad implication in diastolic dysfunction and cardiac trophic mechanisms. In addition, the method can be applied to probing other unstructured mechanosensitive proteins/domains. PMID- 29226979 TI - It Is Time to Re-Evaluate the Peer Review Process for Preclinical Research. AB - Problems in peer review, the backbone of maintaining high standards in scientific publishing, have led to wide spread discontent within the scientific community. Training in the peer review process and a simpler format to assist in decision making are possible courses to improve and expedite the process of peer review and scientific publishing. PMID- 29226978 TI - Simultaneous determination of residues of metalaxyl, cyazofamid and a cyazofamid metabolite in tobacco leaves and soil by liquid chromatography with tandem mass spectrometry. AB - A simple method was developed and validated for the simultaneous determination of metalaxyl, cyazofamid and the cyazofamid metabolite 4-chloro-5-p-tolylimidazole-2 carbonitrile (CCIM) by liquid chromatography with tandem mass spectrometry. The three target compounds were extracted from tobacco and soil with acetonitrile containing 0.1% acetic acid, and the extracts were purified using octadecylsilane. The proposed method showed satisfactory linearity (R2 >= 0.9985) for the target compounds. The limits of detection for metalaxyl, cyazofamid and CCIM were 0.006, 0.06 and 0.06 mg/kg in soil and green tobacco leaves and 0.03, 0.3 and 0.3 mg/kg in cured tobacco leaves, respectively. The limits of quantification for metalaxyl, cyazofamid and CCIM were 0.02, 0.2 and 0.2 mg/kg in soil and green tobacco leaves and 0.1, 1 and 1 mg/kg in cured tobacco leaves, respectively. The average recoveries from soil and tobacco were 72.91-98.40% for metalaxyl, 76.73-105.80% for cyazofamid and 74.48-106.45% for CCIM. The relative standard deviation range was 1.23-6.99%. The developed method was successfully applied to analysis of residues of metalaxyl, cyazofamid and CCIM in real soil and tobacco samples. The results indicated that the established method could meet the requirement for the analysis of trace amounts of all three analytes in soil and tobacco. PMID- 29226981 TI - Aggressive cutaneous squamous cell carcinoma arising from a human papillomavirus infected epidermoid cyst of the conchal bowl. PMID- 29226982 TI - Actikerall: an alternative to curettage for some seborrhoeic keratoses? PMID- 29226980 TI - Follicular papules and pustules in a patient with pulmonary symptoms. PMID- 29226983 TI - Combing Chromosomal DNA Mediated by the SMC Complex: Structure and Mechanisms. AB - Genome maintenance requires various nucleoid-associated factors in prokaryotes. Among them, the SMC (Structural Maintenance of Chromosomes) protein has been thought to play a static role in the organization and segregation of the chromosome during cell division. However, recent studies have shown that the bacterial SMC is required to align left and right arms of the emerging chromosome and that the protein dynamically travels from origin to Ter region. A rod form of the SMC complex mediates DNA bridging and has been recognized as a machinery responsible for DNA loop extrusion, like eukaryotic condensin or cohesin complexes, which act as chromosome organizers. Attention is now turning to how the prototype of the complex is loaded on the entry site and translocated on chromosomal DNA, explaining its overall conformational changes at atomic levels. Here, we review and highlight recent findings concerning the prokaryotic SMC complex and discuss possible mechanisms from the viewpoint of protein architecture. PMID- 29226984 TI - A novel homozygous mutation disrupting the initiation codon in the SLURP1 gene underlies mal de Meleda in a consanguineous family. AB - Mal de Meleda (MDM) is a palmoplantar keratoderma (PPK), characterized by hyperkeratosis of the palms and soles, and keratotic skin lesions. Patients with MDM can develop perioral erythema, keratotic and lichenoid plaques over the joints (including the elbows and knees), nail abnormalities, joint contractures and stiffness, brachydactyly, sclerodactyly, pseudoainhum, and malodorous maceration. MDM is associated with mutations in the SLURP1 gene. We report a consanguineous family in which MDM was inherited in an autosomal recessive manner. Genotyping using microsatellite markers established linkage in the family to the SLURP1 gene, which has been mapped previously to chromosome 8q24.3. Sequence analysis revealed a homozygous missense mutation (c.2T>C, p.Met1Thr) in affected family members. Molecular docking studies using a ZDOCK server predicted disruption of binding of the mutant variant to its target alpha7-nAChR. This study further supports the previously reported findings that homozygous mutations in the SLURP1 gene cause MDM. PMID- 29226986 TI - Vaccination of Atlantic lumpfish (Cyclopterus lumpus L.) at a low temperature leads to a low antibody response against Aeromonas salmonicida. AB - We present a study on the effect of water temperature on immunization of Atlantic lumpfish. In total, 360 fish were vaccinated with either 50 MUl of an oil-based injection vaccine (VAX), with Aeromonas salmonicida and Vibrio salmonicida antigens, or PBS. Fish were vaccinated at three different water temperatures, 5 degrees C, 10 degrees C and 15 degrees C, and sorted into six groups (N = 60). Lumpfish were weighed every 3 weeks after vaccination, sampled at 3, 6, 9 and 18 weeks post-immunization (wpi) and evaluated by modified Speilberg score, ELISA and immunoblotting. Vaccinated fish showed low antibody response against V. salmonicida. Fish vaccinated at 5 degrees C showed significantly lower antibody response against A. salmonicida throughout the study. At higher temperatures, vaccinated fish showed significantly increased antibody responses, at 18 wpi for 10 degrees C and at 6 and 18 wpi for 15 degrees C. Immunoblotting demonstrated specific response against the LPS antigen of A. salmonicida in the 10 degrees C and 15 degrees C VAX groups. Mean body weight increased in all groups throughout the study. Vaccinated fish had low Speilberg scores with no melanization of abdominal tissue. Our results show that vaccinating lumpfish at a lower water temperature may lead to a low antibody response against A. salmonicida. PMID- 29226987 TI - Protective effect of platelet-rich plasma on urethral injury model of male rats. AB - AIMS: Urethral stricture (US) formation is caused by fibrosis after excessive collagen formation following an injury or trauma to the urethra. In this study, we aimed to evaluate the effects of platelet-rich plasma (PRP) on a urethral injury (UI) model of male rats. METHODS: A UI model was used by applying a coagulation current to the urethras of male rats. There were four groups with six rats in each: control group, PRP applied to naive urethra, UI group, and UI with PRP application. PRP was applied to the urethra after a coagulation current induced injury as soon as possible. On the 14th day, all rats were sacrificed and urethral tissues were investigated for collagen type I, collagen type III, platelet-derived growth factor-alpha, platelet-derived growth factor-beta, and transforming growth factor-beta using quantitative real-time polymerase chain reaction and Western blot analysis. The effect of urethral damage and healing was evaluated for collagen type I-to-collagen type III ratio. RESULTS: The collagen type I-to-collagen type III ratio was significantly higher in UI group (P < 0.05) than in the others, while UI with PRP application group had comparable results with the control group (P > 0.05). CONCLUSIONS: The results of this study show that PRP has a preventive effect on stricture formation in a UI model of rats, as shown by its effect on collagen synthesis. Further studies that eventually show the effects of PRP on human tissues are necessary and promising. PMID- 29226988 TI - CNS high-grade neuroepithelial tumor with BCOR internal tandem duplication: a comparison with its counterparts in the kidney and soft tissue. AB - Central nervous system high-grade neuroepithelial tumors with BCOR alteration (CNS HGNET-BCOR) are a recently reported rare entity, identified as a small fraction of tumors previously institutionally diagnosed as so-called CNS primitive neuroectodermal tumors. Their genetic characteristic is a somatic internal tandem duplication in the 3' end of BCOR (BCOR ITD), which has also been found in clear cell sarcomas of the kidney (CCSK) and soft tissue undifferentiated round cell sarcomas/primitive myxoid mesenchymal tumors of infancy (URCS/PMMTI), and these BCOR ITD-positive tumors have been reported to share similar pathological features. In this study, we performed a clinicopathological and molecular analysis of six cases of CNS HGNET-BCOR, and compared them with their counterparts in the kidney and soft tissue. Although these tumors had histologically similar structural patterns and characteristic monotonous nuclei with fine chromatin, CNS HGNET-BCOR exhibited glial cell morphology, ependymoma-like perivascular pseudorosettes and palisading necrosis, whereas these features were not evident in CCSK or URCS/PMMTI. Immunohistochemically, diffuse staining of Olig2 with a mixture of varying degrees of intensity, and only focal staining of GFAP, S-100 protein and synaptophysin were observed in CNS HGNET-BCOR, whereas these common neuroepithelial markers were negative in CCSK and URCS/PMMTI. Therefore, although CNS HGNET-BCOR, CCSK and URCS/PMMTI may constitute a group of BCOR ITD-positive tumors, only CNS HGNET-BCOR has histological features suggestive of glial differentiation. In conclusion, we think CNS HGNET-BCOR are a certain type of neuroepithelial tumor relatively close to glioma, not CCSK or URCS/PMMTI occurring in the CNS. PMID- 29226989 TI - Transcriptome characterization of male accessory glands in ants to identify molecules involved in their reproductive success. AB - In insects, seminal fluid proteins that are produced by male accessory glands and transferred to females during mating have key functions in sperm competition and sperm physiology that lead to male reproductive success. In ants, male reproductive success also depends on the longevity of sperm stored in the queen's spermatheca because their sexual offspring are usually produced only after a prolonged storage period. We identified genes that were up-regulated in the male accessory glands relative to the bodies of Crematogaster osakensis to characterize the reproductive molecules associated with male reproductive success in ants. We found novel genes that had no hits in a homology search and that were predominantly expressed in the accessory glands. These reproductive proteins may have evolved under rapid positive selection for reproductive success in the species. Furthermore, we discovered that three spermatheca-specific genes of C. osakensis queens were also enriched in the accessory glands relative to the bodies of males. These genes may be important for maintaining the sperm quality continuously from ejaculation by males to prolonged storage by queens. This research provides crucial information about the molecular mechanisms of sperm maintenance and sexual selection in ants, and also insight into the evolution of reproductive strategies in insects. PMID- 29226990 TI - A Novel Reconfigurable Logic Unit Based on the DNA-Templated Potassium Concentration-Dependent Supramolecular Assembly. AB - Plenty of molecular circuits with specific functions have been developed; however, logic units with reconfigurability, which could simplify the circuits and speed up the information process, are rarely reported. In this work, we designed a novel reconfigurable logic unit based on a DNA-templated, potassium concentration-dependent, supramolecular assembly, which could respond to the input stimuli of H+ and K+ . By inputting different concentrations of K+ , the logic unit could implement three significant functions, including a half adder, a half subtractor, and a 2-to-4 decoder. Considering its reconfigurable ability and good performance, the novel prototypes developed here may serve as a promising proof of principle in molecular computers. PMID- 29226991 TI - Vitellogenin and its receptor play essential roles in the development and reproduction of the brown citrus aphid, Aphis (Toxoptera) citricidus. AB - Vitellogenin (Vg) and its receptor (VgR) play a key role in the reproductive process and development of insects. Aphids are a group of high-fecundity insect species with pseudoplacental viviparity, but the roles of their Vg and VgR genes have not been investigated yet. The brown citrus aphid, Aphis (Toxoptera) citricidus, is a major insect pest of citrus and the main vector of Citrus tristeza closterovirus. In this study, we identified and characterized these two genes, designated as AcVg and AcVgR, from the brown citrus aphid. We found that AcVg has lost the DUF1943 domain that is present in other insect Vgs. Silencing of AcVg and AcVgR led to a delay in the nymph-adult transition, a prolonged prereproductive period, and a shortened reproductive period, which in turn resulted in slower embryonic development and fewer new-born nymphs. Interestingly, silencing of AcVg decreased the transcript level of AcVgR, but silencing of AcVgR resulted in increased transcript levels of AcVg. In addition, silencing of Vg/VgR had similar phenotypes between alate and apterous morphs, suggesting that the functions of these two genes are the same in the two wing morphs of the aphid. Our results demonstrate that Vg and VgR are involved in various aspects of aphid development and reproduction. Further studies on the synthesis of Vg could help to elucidate the reproductive mechanism and provide information that will be useful for developing new pest control strategies. PMID- 29226992 TI - Solid-phase organic synthesis of chiral, non-racemic 1,2,4-trisubstituted 1,4 diazepanes with high sigma1 receptor affinity. AB - The aim of this work was to transfer the established chiral-pool synthesis of 1,2,4-trisubstituted 1,4-diazepanes in solution on the solid phase. For this purpose, (S)-configured amino acids, (S)-alanine, and (S)-leucine, with a small methyl and a larger isobutyl moiety were attached to the solid support 9 by reductive amination. After five reaction steps on the solid support, the 1,4 diazepanes (S)-19a,b were cleaved off and reductively alkylated to afford the 1,2,4-trisubstituted 1,4-diazepanes (S)-20a and (S)-21b, respectively. Both compounds show high sigma1 affinity and selectivity over the sigma2 subtype. PMID- 29226993 TI - Genetic polymorphisms of microRNA machinery genes predict overall survival of esophageal squamous carcinoma. AB - BACKGROUND: MicroRNA (miRNA)-related single nucleotide polymorphisms (miR-SNPs) in miRNA processing machinery genes are implicated in carcinogenesis, as they change the expression profiles of miRNA. Six miR-SNPs in miRNA processing machinery genes, including Dicer (rs3742330), RAN (rs14035), XPO5 (rs11077), TNRC6B (rs9623117), GEMIN3 (rs197412), and GEMIN4 (rs2740348), were evaluated for their association with esophageal squamous cell carcinoma (ESCC). METHODS: The miR-SNP of the miRNA processing genes were genotyped using the polymerase chain reaction-ligase detection reaction (PCR-LDR) assay, while the XPO5 expression levels in ESCC tissues were measured by immunochemistry methods. RESULTS: Patients carrying the rs11077 AA allele exhibited a significantly increased lifespan than AC+CC carriers, as determined by univariate and multivariate analyses (relative risk: 2.490; 95% confidence interval [CI]: 1.225-5.058; P=.012). Furthermore, the rs11077 AA genotype displayed a trend for high XPO5 expression in ESCC tissues by immunochemistry analysis, and these high XPO5 expression levels were also associated with high survival rates among ESCC patients. CONCLUSION: Our results suggested that the miRNA machinery gene expression-associated miR-SNPs would modify cancer outcomes; in this light, XPO5 may be an important new target for ESCC therapy. PMID- 29226994 TI - Demographic and clinical correlates of accelerometer assessed physical activity and sedentary time in lung cancer survivors. AB - OBJECTIVE: To determine demographic and clinical correlates of accelerometer assessed physical activity and sedentary time among a population-based sample of lung cancer survivors. METHODS: Lung cancer survivors in Southern Alberta, Canada (N = 527) were invited to complete a mailed survey assessing socio-demographics and wear an Actigraph(r) GT3X+ accelerometer for 7 days. Average daily minutes of physical activity and sedentary time were derived from the accelerometer data. Accelerometer data were processed using standard Freedson cutpoints, and correlates of physical activity and sedentary time were determined with linear regression. RESULTS: A total of 127 lung cancer survivors participated (mean age = 71 years), for a 24% response rate. Moderate-to-vigorous physical activity was negatively associated with being >60 years of age (beta = -7.4, CI: -14.7, 0.10). Moderate-to-vigorous physical activity accumulated in 10-minute bouts was associated with receiving surgery and adjuvant chemotherapy (beta = 9.1, CI: 2.1, 16.1). Sedentary time was associated with being >60 years of age (beta = 32.4, CI: 3.1, 61.7), smoking (beta = 63.9, CI: 22.5, 105.4), and being overweight/obese (beta = 28.6, CI: 6.4, 50.1). CONCLUSION: Age, smoking history, and body mass index emerged as correlates of accelerometer assessed light, moderate, and vigorous physical activity, and sedentary time among lung cancer survivors. IMPLICATIONS FOR CANCER SURVIVORS: Identifying correlates of physical activity and sedentary time may aid in the development of targeted behavioral interventions for this population. PMID- 29226995 TI - Change in QRS morphology as a marker of spontaneous elimination in verapamil sensitive idiopathic left ventricular tachycardia. AB - BACKGROUND: Verapamil-sensitive idiopathic left ventricular tachycardia (verapamil-ILVT) is thought to be due to a reentry within the LV fascicular system. Radiofrequency catheter ablation (RFCA) is effective for elimination of the VT; however, a long-term prognosis of patients with verapamil-ILVT is still unclear. METHODS AND RESULTS: Eighty consecutive verapamil-ILVT patients (62 men, 31 +/- 12 years of age, LVEF: 65 +/- 4%) were enrolled. Seventy-six (95%) cases of VT involved right bundle branch block and left axis deviation. We retrospectively analyzed changes in the QRS duration (DeltaQRS-d) and QRS axis (DeltaQRS-axis) during follow-up and compared them with recurrence of VT. During a mean follow-up period of 10 years (2-32 years), no sudden death or heart failure occurred. Fifty-one (64%) patients underwent RFCA, and 46 (90%) of them had no VT without any medication after RFCA. The DeltaQRS-d (16 +/- 2 vs. 8 +/- 1 ms, P = 0.24) and DeltaQRS-axis (20 +/- 4 vs. 4 +/- 3 degrees, P = 0.23) were not different in patients with no VT (VT[-]) and those with recurrence of VT (VT[+]). However, in the remaining 29 patients without RFCA, VT was spontaneously eliminated in 16 patients. The DeltaQRS-d (30 +/- 6 vs. 6 +/- 1 ms, P = 0.002) and DeltaQRS-axis (23 +/- 4 vs. 5 +/- 2 degrees, P = 0.001) were significantly larger in VT(-) patients compared to VT(+) patients during follow-up. CONCLUSIONS: Some verapamil-ILVT patients who show QRS morphology changes over the follow-up period may become free from VT without any invasive or pharmacological treatments, suggesting that further altered LV fascicular conduction might eliminate the reentry of verapamil-ILVT. PMID- 29226996 TI - Breast and gynecological cancer patients' risk factors associated with biopsychosocial problem-related distress. AB - OBJECTIVES: Inequalities exist between breast and gynecological cancer patients' experiences, leading to high levels of distress throughout the cancer journey. The present study aims to identify differences in source of biopsychosocial problem-related distress between women diagnosed with breast or gynecological cancers. METHODS: From 2009 to 2016, women with breast (n = 2111) and gynecological (n = 641) cancers were screened using the core items of the instrument You, Your Family, and City of Hope are a Team. This is a touch screen based instrument that assess problem-related distress due to physical, practical, functional, emotional, and other problems and identifies types of assistance requested. Data were analyzed using the linear regression model. RESULTS: A significant difference in overall biopsychosocial problems rated as high distress was found between breast (M = 5.0) and gynecological (M = 6.2) cancer patients (P < .001). Gynecological cancer patients endorsed a greater number of problems to talk with a member of the team (alone or with written information), while both cancer groups requested written information equally. Gynecological cancer was associated with higher physical, functional, emotional, and total distress. Younger patients, non-Asian, and those with lower education and lower household income also reported greater distress. CONCLUSIONS: Gynecological cancer patients represent a high-risk group, reporting greater problem-related distress and higher levels of requested assistance. Age, education, race/ethnicity, and income were found to be potential risk factors. Findings highlight the importance of considering characteristics and special needs related to specific types of cancer to assist in the effective treatment of distress throughout the continuum of care. PMID- 29226997 TI - Participation and interest in support services among family caregivers of older adults with cancer. AB - OBJECTIVE: The purpose of this study was to describe distressed and underprepared family caregiver's use of and interest in formal support services (eg, professional counseling, education, organizational assistance). METHOD: Cross sectional mail survey conducted in communities of 8 cancer centers in Tennessee, Alabama, and Florida (response rate: 42%). Family caregivers of Medicare beneficiaries with pancreatic, lung, brain, ovarian, head and neck, hematologic, and stage IV cancers reported support service use and completed validated measures of depression, anxiety, burden, preparedness, and health. RESULTS: Caregivers (n = 294) were on average age 65 years and mostly female (73%), White (91%), and care recipients' spouse/partner (60%); patients averaged 75 years were majority male (54%) with lung cancer (39%). Thirty-two percent of caregivers reported accessing services while 28% were "mostly" or "extremely" interested. Thirty-five percent of caregivers with high depressive symptoms (n = 122), 33% with high anxiety symptoms (n = 100), and 25% of those in the lowest quartile of preparedness (n = 77) accessed services. Thirty-eight percent of those with high depressive symptoms, 47% with high anxiety symptoms, and 36% in the lowest quartile of preparedness were "mostly" or "extremely" interested in receiving services. Being interested in support services was significantly associated with being a minority, shorter durations of caregiving, and with higher stress burden. CONCLUSIONS: A large proportion of family caregivers, including those experiencing depression and anxiety symptoms and who were underprepared, are not using formal support services but have a strong interest in services. Strategies to increase service use may include targeting distressed caregivers early in their caregiving experience. PMID- 29226999 TI - Comparison of outcomes between postpartum and non-postpartum women with stress urinary incontinence treated with conservative therapy: A prospective cohort study. AB - AIM: This study aimed to compare the outcomes of pelvic floor muscle training (PFMT) between postpartum and non-postpartum women with stress urinary incontinence (SUI) and to detect potential factors that may influence these outcomes. METHODS: A total of 54 and 79 participants were recruited into postpartum (PP group) and non-postpartum (non-PP group) groups, respectively. A physiotherapist treated the participants twice a week for 6-8 weeks. At baseline and 6 and 12 months after treatment, the 1-h pad weight test (PWT), vaginal contraction pressure (VCP), and Incontinence Impact Questionnaire Short Form (IIQ 7) were assessed by an evaluator or physiotherapist. The primary outcome was PWT improvement. The participants whose PWT improvement reached a >50% reduction relative to baseline were considered responders. Secondary outcomes included VCP, IIQ-7 score, and patient satisfaction rate. RESULTS: The PWT improvement was 87.04% (95%CI: 0.78, 0.96) in the PP group at 1-year follow-up, which was significantly better than the 72.15% improvement (95%CI: 0.62, 0.82) in the non PP group (OR = 2.591, 95%CI: 1.018, 6.595, P = 0.041). Changes in VCP and BMI were significant predictors of responders in the regression analysis. As the change in VCP increased by 1 cmH2 O, the efficiency increased by 4.2% (OR = 1.042, 95%CI: 1.010, 1.070). The change in BMI increased by 1 kg/m2 , and the efficiency decreased 23.0% (OR = 0.770, 95%CI: 0.633, 0.937). CONCLUSIONS: The outcome of PFMT in postpartum participants with SUI was better than that in non postpartum participants. Women with more improvements in VCP and weight loss showed better amelioration of SUI symptoms after PFMT. PMID- 29226998 TI - Antisense suppression of glial fibrillary acidic protein as a treatment for Alexander disease. AB - OBJECTIVE: Alexander disease is a fatal leukodystrophy caused by autosomal dominant gain-of-function mutations in the gene for glial fibrillary acidic protein (GFAP), an intermediate filament protein primarily expressed in astrocytes of the central nervous system. A key feature of pathogenesis is overexpression and accumulation of GFAP, with formation of characteristic cytoplasmic aggregates known as Rosenthal fibers. Here we investigate whether suppressing GFAP with antisense oligonucleotides could provide a therapeutic strategy for treating Alexander disease. METHODS: In this study, we use GFAP mutant mouse models of Alexander disease to test the efficacy of antisense suppression and evaluate the effects on molecular and cellular phenotypes and non cell-autonomous toxicity. Antisense oligonucleotides were designed to target the murine Gfap transcript, and screened using primary mouse cortical cultures. Lead oligonucleotides were then tested for their ability to reduce GFAP transcripts and protein, first in wild-type mice with normal levels of GFAP, and then in adult mutant mice with established pathology and elevated levels of GFAP. RESULTS: Nearly complete and long-lasting elimination of GFAP occurred in brain and spinal cord following single bolus intracerebroventricular injections, with a striking reversal of Rosenthal fibers and downstream markers of microglial and other stress-related responses. GFAP protein was also cleared from cerebrospinal fluid, demonstrating its potential utility as a biomarker in future clinical applications. Finally, treatment led to improved body condition and rescue of hippocampal neurogenesis. INTERPRETATION: These results demonstrate the efficacy of antisense suppression for an astrocyte target, and provide a compelling therapeutic approach for Alexander disease. Ann Neurol 2018;83:27-39. PMID- 29227000 TI - Oligonucleotides Incorporating Palladacyclic Nucleobase Surrogates. AB - An oligonucleotide incorporating a palladacyclic nucleobase has been prepared by ligand-directed metalation of a phenylpyridine moiety. This oligonucleotide hybridized with natural counterparts placing any of the canonical nucleobases opposite to the palladacyclic residue. The palladated duplexes had B-type conformation and melting temperatures comparable to those of respective unmodified duplexes with a single mismatch. In the duplexes placing C, G or T (but not A) opposite to the palladacyclic residue, greatly increased absorptivity suggested formation of a PdII -mediated base pair. Absorptivity and ellipticity of these duplexes persisted even at the highest temperatures applicable in Tm and CD experiments (90 degrees C). Evidently the PdII -mediated base pairs do not dissociate under the experimental conditions. PMID- 29227001 TI - Antiviral therapy for hepatitis B virus during second pregnancies. AB - Mother-to-child transmission of the hepatitis B virus (HBV) is a major concern for infected mothers, especially after their first child has become an HBV carrier despite immunoprophylaxis. Eight mothers whose first child had become an HBV carrier despite immunoprophylaxis were referred for antiviral therapy during the subsequent pregnancy. All pregnant women were seropositive for both the hepatitis B surface antigen and hepatitis B e antigen. In the treatment group (three receiving lamivudine and two receiving tenofovir), mother-to-child transmission of the HBV was successfully prevented in all infants (5/5). On the other hand, two of three infants became HBV carriers in the untreated group. There were no significant adverse effects in either mothers or infants. Antiviral therapy using lamivudine and tenofovir during the second pregnancy successfully prevented mother-to-child transmission of the HBV for high-risk mothers. PMID- 29227002 TI - Cerebral sex dimorphism and sexual orientation. AB - The neurobiology of sexual orientation is frequently discussed in terms of cerebral sex dimorphism (defining both functional and structural sex differences). Yet, the information about possible cerebral differences between sex-matched homo and heterosexual persons is limited, particularly among women. In this multimodal MRI study, we addressed these issues by investigating possible cerebral differences between homo and heterosexual persons, and by asking whether there is any sex difference in this aspect. Measurements of cortical thickness (Cth), subcortical volumes, and functional and structural resting-state connections among 40 heterosexual males (HeM) and 40 heterosexual females (HeF) were compared with those of 30 homosexual males (HoM) and 30 homosexual females (HoF). Congruent with previous reports, sex differences were detected in heterosexual controls with regard to fractional anisotropy (FA), Cth, and several subcortical volumes. Homosexual groups did not display any sex differences in FA values. Furthermore, their functional connectivity was significantly less pronounced in the mesial prefrontal and precuneus regions. In these two particular regions, HoM also displayed thicker cerebral cortex than other groups, whereas HoF did not differ from HeF. In addition, in HoM the parietal Cth showed "sex-reversed" values, not observed in HoF. Homosexual orientation seems associated with a less pronounced sexual differentiation of white matter tracts and a less pronounced functional connectivity of the self-referential networks compared to heterosexual orientation. Analyses of Cth suggest that male and female homosexuality are not simple analogues of each other and that differences from heterosexual controls are more pronounced in HoM. PMID- 29227003 TI - Association between end-stage diabetic nephropathy and MTHFR (C677T and A1298C) gene polymorphisms. AB - AIM: Methylenetetrahydrofolate reductase (MTHFR) is a regulatory enzyme of homocysteine metabolism. The C677T and A1298C polymorphism of the MTHFR gene has been reported to be associated with elevated plasma homocysteine in patients with Diabetic nephropathy. This study aimed to investigate the influence of the C677T and A1298C polymorphisms on the progression chronic kidney disease in diabetic nephropathy of south Indian population. METHODS: We genotyped 145 DN cases and 100 controls for the C677T and A1298C polymorphisms using PCR-RFLP based protocols, and all diabetic nephropathy cases divided into two groups based on CKD stages: 60 DN cases were early stage (CKD1 to CKD3) and 85 DN cases were advanced stage (CKD4 and CKD5). Association chi2 and univariate analysis were performed. RESULTS: The C677T (OR=4.2; 95% CI=2.31-7.64 and p=0.001) and A1298C (OR=2.8; 95% CI=1.05-7.57 and p=0.033) polymorphism was shown that the significant association between the cases and control. Furthermore, the MTHFR gene polymorphism C677T (OR=2.48; 95% CI=1.25-4.9 and p=0.008) was observed that the significant contribution of the progression of CKD in DN. CONCLUSION: These findings suggest that the C677T and A1298C polymorphism of MTHFR gene was associated with diabetic nephropathy in south Indian population. Furthermore, the present study provides evidence that the C677T polymorphism was associated with CKD progression in DN. PMID- 29227004 TI - Recurrence of uterine myoma after myomectomy: Open myomectomy versus laparoscopic myomectomy. AB - AIM: Open myomectomy (OM) was previously frequently performed; however, laparoscopic myomectomy (LM) has recently become more common. Nevertheless, myoma can recur after both LM and OM. In this study, we report our retrospective investigation of myoma recurrence by comparing LM and OM. METHODS: A total of 474 patients underwent LM and 279 patients underwent OM. The patients were followed up postoperatively from six months to eight years. Recurrence was confirmed when a myoma with a diameter of >= 1 cm was detected. Post-LM, post-OM and cumulative recurrence rates were investigated, and a Cox hazard test was performed. RESULTS: The cumulative recurrence rates between the two groups were 76.2% (LM) vs. 63.4% (OM) at eight years postoperatively. A log-rank test revealed a significant difference between the two groups. Cox hazard testing revealed that LM, a larger number of enucleated myoma masses and the absence of postoperative gestation significantly contributed to the postoperative recurrence rate. CONCLUSIONS: LM yielded a higher recurrence rate than OM, likely a result of manual myoma removal in OM, which is a more exhaustive extraction of smaller myoma masses than performed in LM. In other words, fewer residual myoma masses after OM contribute to a lower postoperative recurrence rate. PMID- 29227005 TI - Extracellular matrix remodeling and TGF-beta1/Smad signaling in diabetic colon mucosa. AB - Diabetes is associated with metabolic and functional alterations in the gut. Using an experimental model of streptozotocin (STZ)-induced diabetes in rodents, we analyzed the extracellular matrix (ECM) and TGF-beta/Smad signaling in the colon mucosa. Male rats were divided into normal control, diabetic and insulin treated diabetic groups during 4 and 9 weeks. Sirius red staining showed marked increase in the extracellular matrix deposition in diabetic mucosa. High levels of fibrillar collagen (I and III) and fibronectin mRNAs were also detected with an imbalance between MMPs/TIMPs activities. Moreover, an increased mesenchymal cell proliferation together with an enhanced expression of myofibroblasts markers vimentin and alpha-SMA were observed. TGF-beta/Smad signaling-related genes were determined using RT-PCR, Western blotting, and immunohistochemistry. Diabetic rats showed a significant up-regulation of TGF-beta1, TGF-beta receptors and the effectors p-Smad2/3 in the mucosa compared with control rats. Insulin treatment attenuated the stimulating effect of diabetes on colon ECM deposition and TGF beta/Smad signaling. In conclusion, the overall results showed a deregulation of the TGFbeta1 pathway associated with the appearance of myofibroblasts and the accumulation of ECM in the mucosa of diabetic colon. These data provide the first in vivo evidence that TGF-beta1/Smad is a key component of intestinal tissue remodeling in diabetes. PMID- 29227006 TI - Major improvement in the detection of microsatellite instability in colorectal cancer using HSP110 T17 E-ice-COLD-PCR. AB - Every colorectal cancer (CRC) patient should be tested for microsatellite instability (MSI) to screen for Lynch syndrome. Evaluation of MSI status involves screening tumor DNA for the presence of somatic deletions in DNA repeats using PCR followed by fragment analysis. While this method may lack sensitivity due to the presence of a high level of germline DNA, which frequently contaminates the core of primary colon tumors, no other method developed to date is capable of modifying the standard PCR protocol to achieve improvement of MSI detection. Here, we describe a new approach developed for the ultra-sensitive detection of MSI in CRC based on E-ice-COLD-PCR, using HSP110 T17, a mononucleotide DNA repeat previously proposed as an optimal marker to detect MSI in tumor DNA, and an oligo(dT)16 LNA blocker probe complementary to wild-type genotypes. The HT17 E ice-COLD-PCR assay improved MSI detection by 20-200-fold compared with standard PCR using HT17 alone. It presents an analytical sensitivity of 0.1%-0.05% of mutant alleles in wild-type background, thus greatly improving MSI detection in CRC samples highly contaminated with normal DNA. HT17 E-ice-COLD-PCR is a rapid, cost-effective, easy-to-implement, and highly sensitive method, which could significantly improve the detection of MSI in routine clinical testing. PMID- 29227007 TI - Self-Assembly Process of a Pd2 L4 Capsule: Steric Interactions between Neighboring Components Favor the Formation of Large Intermediates. AB - The effect of molecular interactions between the components on the self-assembly process of Pd2 L4 structures was investigated by a 1 H NMR-based quantitative approach (QASAP: quantitative analysis of self-assembly process). Although the self-assembly of the Pd2 L4 cage without interactions between the bent ligands took place, mainly producing small intermediates, the self-assembly of the Pd2 L4 capsule composed of bent ligands with anthracene panels tends to produce large intermediates containing more components than the capsule. This is ascribed to steric interactions between the panels. PMID- 29227008 TI - Ice or fire? Comparison of second-generation cryoballoon ablation and radiofrequency ablation in patients with symptomatic persistent atrial fibrillation and an enlarged left atrium. AB - INTRODUCTION: We aimed to compare arrhythmia recurrence rates after second generation cryoballoon (CB-Adv) ablation and radiofrequency (RF) ablation in patients with symptomatic persistent atrial fibrillation (AF) and left atrial (LA) enlargement. METHODS AND RESULTS: Persistent AF patients with LA enlargement were compared using a propensity-score-matching algorithm, and 111 patients treated with CB-Adv ablation and 111 patients treated with RF ablation were selected. The primary endpoint was the first documented >30-second arrhythmia recurrence after a 3-month blanking period. Median LA area was comparable between the RF and CB-Adv groups (24.2 vs. 24.0 cm2 , P = 0.49). In addition to pulmonary vein isolation, roof lines (RLs) with bidirectional conduction block were created in 48 patients in the CB-Adv group and 49 patients in the RF group. Midterm outcome after single procedure is characterized by arrhythmia recurrences in 47 patients in the RF group and 32 patients in the CB-Adv group (P = 0.20). There were no differences in the number of AF recurrences in the two groups (38 vs. 32, P = 0.66), but there were more instances of LA tachycardia (LAT) in the RF group than in the CB-Adv group (11 vs. 0, P < 0.01). LAT recurrence in RF patients was associated with RL creation (9 with vs. 2 without, P < 0.01). Among patients in whom a RL was created, arrhythmia-free survival was lower in the RF group than in the CB-Adv group (44.9% vs. 79.2%, P < 0.01). CONCLUSIONS: Arrhythmia recurrence rates in the two groups during midterm follow-up were comparable. RL creation during CB-Adv ablation resulted in acceptable outcomes. PMID- 29227009 TI - Fetal liver injury ameliorated by migration inhibitory factor inhibition in a rat model of acute pancreatitis in pregnancy. AB - AIM: This study was designed to investigate and assess fetal liver injury in a rat model of acute pancreatitis in pregnancy (APIP) as well as its possible mechanisms and potential therapeutic targets. METHODS: The APIP model was induced by sodium taurocholate in Sprague-Dawley rats during the third trimester. ISO-1, a macrophage migration inhibitory factor (MIF) antagonist, was given before the induction of APIP. In addition, sham-operated rats at later gestation were set as controls. Histological changes in the fetal liver and maternal pancreas were assessed. Amylase and lipase activity as well as the levels of tumor necrosis factor (TNF)-alpha and interleukin (IL)-1beta were examined. The expression of MIF in fetal liver was determined by immunochemistry and the expression of NF kappaB, IkappaBalpha, high mobility group box-1 protein (HMGB1), TNF-alpha, and IL-1beta in fetal liver was determined by Western blot analysis. Ultrastructures of hepatic cells in fetal rats were observed under transmission electron microscopy. RESULTS: ISO-1 ameliorated the following: (i) pathological injuries in maternal pancreas and fetal liver; (ii) levels of TNF-alpha and IL-1beta in maternal serum; and (iii) levels of MIF, myeloperoxidase, NF-kappaB, HMGB1, TNF alpha, and IL-1beta in fetal liver. CONCLUSION: Pathological damage and an inflammatory response in fetal liver were induced by APIP, and MIF inhibition ameliorated fetal liver injury by inhibiting the inflammatory cascade. PMID- 29227010 TI - Prelabor screening for intrapartum fetal compromise in low-risk pregnancies at term: cerebroplacental ratio and placental growth factor. AB - OBJECTIVES: To determine the screening performance of low fetal cerebroplacental ratio (CPR), a marker of fetal adaptation to suboptimal growth, and maternal placental growth factor (PlGF) level, both in isolation and in combination, for the prediction of Cesarean section (CS) for intrapartum fetal compromise (IFC) and composite adverse neonatal outcome (CANO). METHODS: This was a prospective cohort study in low-risk women with uncomplicated singleton pregnancy from 36 weeks' gestation to delivery. CPR and PlGF were assessed fortnightly and intrapartum and neonatal outcomes were recorded. CPR and PlGF values from the final assessment for each woman were corrected for gestational age and assessed for screening performance, firstly as continuous variables and then as binary predictors. RESULTS: Of the 264 women who consented to participate in the study, 207 were included in the final analysis. Seven pregnancies required CS for IFC and 38 had CANO. Pregnancies delivered by CS for IFC had lower CPR and PlGF centiles than those in all other pregnancies. Pregnancies with CANO had a lower PlGF centile. The greatest areas under the receiver-operating characteristics curves (AUCs) for the prediction of CS for IFC (0.92; 95% CI, 0.86-0.97) and CANO (0.64; 95% CI, 0.54-0.74) were achieved by a combination of CPR 20th and PlGF 33rd centile thresholds. This produced sensitivities, specificities and positive likelihood ratios for the prediction of CS for IFC of 100%, 86% and 7.14, respectively, and 34.2%, 87.0% and 2.63, respectively, for the prediction of CANO. There was no statistical difference in the AUC for CS for IFC between the combined model and when CPR was used alone, or for CANO between the combined model and CPR or PlGF in isolation. CONCLUSIONS: This pilot proof-of-concept study describes the screening performance of CPR and maternal PlGF level for CS for IFC in low-risk women from 36 weeks' gestation. It was found that CPR and maternal PlGF improved the overall predictive utility for CS for IFC, as well as that for CANO. However, given the lack of significant difference between the combined model and its individual components, it is debatable whether the combined model is a superior screening test. Copyright (c) 2017 ISUOG. Published by John Wiley & Sons Ltd. PMID- 29227011 TI - Synthesis of novel benzimidazole acrylonitriles for inhibition of Plasmodium falciparum growth by dual target inhibition. AB - Antimalarial drug resistance has emerged as a threat for treating malaria, generating a need to design and develop newer, more efficient antimalarial agents. This research aimed to identify novel leads as antimalarials. Dual receptor mechanism could be a good strategy to combat developing drug resistance. A series of benzimidazole acrylonitriles containing 18 compounds were designed, synthesized and evaluated for cytotoxicity, heme binding, ferriprotoporphyrin IX biomineralisation inhibition, and falcipain-2 enzyme assay. Furthermore, in silico docking and MD simulation studies were also performed.The tests revealed quite encouraging results. Three compounds, viz. R-01 (0.69 MUM), R-04 (1.60 MUM), and R-08 (1.61 MUM), were found to have high antimalarial activity. These compounds were found to be in bearable cytotoxicity limits and their biological assay suggested that they had inhibitory activity against falcipain-2 and hemozoin formation. The docking revealed the binding mode of benzimidazole acrylonitrile derivatives and MD simulation studies revealed that the protein ligand complex was stable. The agents exhibit good hemozoin formation inhibition activity and, hence, may be utilized as leads to design a newer drug class to overcome the drug resistance of hemozoin formation inhibitors such as chloroquine. PMID- 29227013 TI - A new classification, treatment algorithm and prognosis-estimating system for ileosigmoid knotting. AB - Ileosigmoid knotting (ISK) is the wrapping of the ileum or sigmoid colon around the base of the other one, causing a double-loop intestinal obstruction. It requires urgent and effective resuscitation followed by emergency surgery, and its prognosis is poor [1,2]. Although ISK is a rare disease worldwide, with fewer than 500 cases reported in the literature to date [3,4], it is relatively common in Turkey [5,6]. This article is protected by copyright. All rights reserved. PMID- 29227012 TI - Superior anti-suicidal effects of electroconvulsive therapy in unipolar disorder and bipolar depression. AB - OBJECTIVES: Electroconvulsive therapy (ECT) has long been believed to reduce suicidal tendencies in patients with affective disorders; however, ECT recipients, who constitute the most severely ill and suicidal patients, are not eligible to participate in head-to-head randomized controlled trials. Large-scale studies are required to investigate the anti-suicidal effects of ECT vs psychopharmacotherapy. METHODS: A nationwide retrospective cohort study design was used. Data were obtained from the Taiwan National Health Insurance Research Database. Inpatients with unipolar disorder or bipolar disorder who received ECT (n = 487) were observed from 1 January 2000 to 31 December 2013 for suicide events. The non-ECT control cohort consisted of inpatients with psychopharmacotherapy randomly matched (ratio, 1:4) by age, sex, and diagnosis. RESULTS: After potential confounds had been accounted for, the adjusted hazard ratio (HR) was 0.803, indicating that ECT recipients showed a 19.7% lower risk of suicide than control individuals. The stratum-specific adjusted HR was 0.79 in patients with unipolar disorder (P = .041) and 0.923 in patients with bipolar disorder (P = .254). Upon further stratification of the patients with bipolar disorder by their affective states, the adjusted HR was 0.805 (P = .046) for bipolar depression, 1.048 for bipolar mania (P = .538), and 0.976 for mixed bipolar state (P = .126). CONCLUSIONS: Compared with psychopharmacotherapy, ECT exerted superior anti-suicidal effects in patients with unipolar disorder and bipolar depression; however, there was a lack of superior anti-suicidal effects of ECT in the treatment of patients with bipolar mania and mixed state. PMID- 29227014 TI - Comparison of weighted and composite scores for pre-clinical dental learners. AB - PURPOSE: The weighted mean (WM) method for combining scores of assessment components can provide outcomes with biased reliability and score precision. The objective of this study was to compare the traditional WM with another method utilising the composite score (CS) principle for combining scores of a final summative assessment exercise for a pre-clinical dental course. METHODS: Data were collected from the final examination of third-year Preclinical Operative and Esthetic Dentistry course consisting of 3 parts: practical competency, objective structured practical examination and a written examination with weights of 33%, 17% and 50%, respectively. Scores from the 3 components were combined using the WM and CS methods. Weighted kappa was used to compare both approaches for agreement, and students' ranks were also compared. RESULTS: Combining scores using CS scheme produced lower scores overall compared to WM with more apparent effect for the male group. Agreement between WM and CS was moderate (kappa = 0.44) with major differences between students' ranks across the 2 modalities as only 21% of the cohort retained their ranks. CONCLUSION: The CS method produced more reliable scores, resulting in moderate agreement with the WM and major shift in students' ranks. These findings necessitate further validity considerations before implementing the CS method and call for further studies that examine the consequences of composite measures in dental education. PMID- 29227015 TI - Indocyanine green fluorescence angiography (ICGFA) during laparoscopic and robotic colorectal surgery- a video vignette. AB - Anastomotic leaks are a dreaded complication of all colorectal surgery with the main factors contributing to it being tension on the anastomosis, intra-abdominal or systemic sepsis, distal obstruction, inadequate blood supply and improper surgical techniques. The leak rate of left-sided high colorectal resections can have a clinically significant leak rate from as low as 1-5% in high anterior resections to 7.9% in low anastomoses. This article is protected by copyright. All rights reserved. PMID- 29227016 TI - Patients with chronic bipolar disorder exhibit widespread increases in extracellular free water. AB - OBJECTIVES: Bipolar disorder (BP) is a debilitating psychiatric disease that is not well understood. Previous diffusion magnetic resonance imaging (dMRI) studies of BP patients found prominent microstructural white matter (WM) abnormalities of reduced fractional anisotropy (FA). Because FA is a nonspecific measure, relating these abnormalities to a specific pathology is difficult. Here, dMRI specificity was increased by free water (FW) imaging, which allows identification of changes in extracellular space (FW) from neuronal tissue (fractional anisotropy of tissue [FA-t]). Previous studies identified increased FW in early schizophrenia (SZ) stages which was replaced by widespread decreased FA-t in chronic stages. This is the first analysis utilizing this method to compare BP patients and controls. METHODS: 3 Tesla diffusion weighted imaging (3T DWI) data were acquired for 17 chronic BP and 28 healthy control (HC) participants at Oxford University. Tract based spatial statistics was utilized to generate a WM skeleton. FW imaging deconstructed the diffusion signal into extracellular FW and tissue FA-t maps. These maps were projected onto the skeleton and FA, FA-t, and FW were compared between groups. RESULTS: We found significantly lower FA in BP patients when compared to HC in areas that overlapped with extensive FW increases. There were no FA-t differences. CONCLUSIONS: Our study suggests that chronic BP shows similar WM changes to early SZ, suggesting that extracellular FW increases could be a transient indication of recent psychotic episodes. Since FW increase in SZ has been suggested to be related to neuroinflammation, we theorize that neuroinflammation might be a shared pathology between chronic BP and early SZ. PMID- 29227017 TI - ortho-Directing Chromium Arene Complexes as Efficient Mediators for Enantiospecific C(sp2 )-C(sp3 ) Cross-Coupling Reactions. AB - A new strategy for the coupling of a broad scope of electronically diverse aromatics to boronic esters is reported. The coupling sequence, which relies on the directed ortho-lithiation of chromium arene complexes followed by boronate formation and oxidation, occurs with complete ortho-selectivity and enantiospecificity to give the coupling products in excellent yields and with high functional group tolerance. An intermediate chromium arene boronate complex was characterized by X-ray, NMR, and IR experiments to elucidate the reaction mechanism. PMID- 29227018 TI - A combination of dispersive liquid-liquid microextraction and surface plasmon resonance sensing of gold nanoparticles for the determination of ziram pesticide. AB - We have developed a reliable, fast, and highly sensitive analytical method utilizing dispersive liquid-liquid microextraction and gold nanoparticles probes for ziram (zinc bis(dimethyldithiocarbamate)) determination. The method is based on the in situ formation of gold nanoparticles in carbon tetrachloride as an organic phase. It was found that the trace levels of ziram influenced the formation of gold nanoparticles, leading to absorbance change of a sedimented phase. The results of the colorimetric ziram determination were in the concentration range of 0.12-2.52 ng/mL with a limit of detection of 0.06 ng/mL. The formation of the stable and dispersed gold nanoparticles in the organic phase provides a good precision for dispersive liquid-liquid microextraction method, resulting in the relative standard deviation of 3.8 and 1.2% for 0.56 and 1.58 ng/mL of ziram, respectively. This method has been successfully used for the ziram determination in samples of well and river water, soil, potato, carrot, wheat, and paddy soil. PMID- 29227019 TI - Metal-Organic Framework-Derived Materials for Sodium Energy Storage. AB - Recently, sodium-ion batteries (SIBs) are extensively explored and are regarded as one of the most promising alternatives to lithium-ion batteries for electrochemical energy conversion and storage, owing to the abundant raw material resources, low cost, and similar electrochemical behavior of elemental sodium compared to lithium. Metal-organic frameworks (MOFs) have attracted enormous attention due to their high surface areas, tunable structures, and diverse applications in drug delivery, gas storage, and catalysis. Recently, there has been an escalating interest in exploiting MOF-derived materials as anodes for sodium energy storage due to their fast mass transport resulting from their highly porous structures and relatively simple preparation methods originating from in situ thermal treatment processes. In this Review, the recent progress of the sodium-ion storage performances of MOF-derived materials, including MOF derived porous carbons, metal oxides, metal oxide/carbon nanocomposites, and other materials (e.g., metal phosphides, metal sulfides, and metal selenides), as SIB anodes is systematically and completely presented and discussed. Moreover, the current challenges and perspectives of MOF-derived materials in electrochemical energy storage are discussed. PMID- 29227020 TI - Determination of herbicides in environmental water samples by simultaneous in syringe magnetic stirring-assisted dispersive liquid-liquid microextraction and silylation followed by GC-MS. AB - An on-line, fast, simple, selective, and sensitive method has been developed for the determination of three herbicides belonging to the following families: triazines (atrazine), chloroacetamide (alachlor), and phenoxy (2,4 dichlorophenoxyacetic acid) in water samples. The method involves an in-syringe magnetic stirring-assisted dispersive liquid-liquid microextraction along with simultaneous silylation prior to their determination by gas chromatography with mass spectrometry. Extraction, derivatization, and preconcentration have been simultaneously performed using acetone as dispersive solvent, N-methyl-N-tert butyldimethylsilyltrifluoroacetamide as derivatization agent and trichloroethylene as extraction solvent. After stirring for 180 s, the sedimented phase was transferred to a rotary micro-volume injection valve (3 MUL) and introduced by an air stream into gas chromatograph with mass spectrometry detector. Recovery and enrichment factors were 87.2-111.2% and 7.4-10.4, respectively. Relative standard deviations were in the ranges of 6.6-7.4 for intraday and 9.2-9.6 for interday precision. The detection limits were in the range of 0.045-0.03 MUg/L, and good linearity was observed up to 200 MUg/L, with R2 ranging between 0.9905 and 0.9964. The developed method was satisfactorily applied to assess the occurrence of the studied herbicides in groundwater samples. The recovery test was also performed with values between 77 and 117%. PMID- 29227021 TI - Rapid characterization of the absorbed chemical constituents of Tangzhiqing formula following oral administration using UHPLC-Q-TOF-MS. AB - Tangzhiqing formula, a Chinese herbal formula, is used for the treatment of type II diabetes and prediabetes. Although its effectiveness has been certified by clinical use, its absorbed chemical constituents are not comprehensively represented. Thence, in order to reveal potential bioactive components and metabolism of Tangzhiqing formula, an ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry method was developed. A total of 86 absorbed components, including 38 prototype compounds and 48 metabolites, were identified in rat plasma, urine, and feces after oral administration of Tangzhiqing formula. This was the first systematic study on the chemical constituents and metabolic profiling of Tangzhiqing formula. The results indicated that alkaloids and flavonoids were main absorbed components, and glucuronidation and sulfation were the major metabolites. Moreover we concluded that alkaloids and flavonoids first underwent demethylation and hydrolysis reactions before biotransformed to phase II metabolites. This study provided valuable data for safety estimation of Tangzhiqing formula, which will be advantageous for clinical application. PMID- 29227022 TI - The GATA-type IVb zinc-finger transcription factor SsNsd1 regulates asexual sexual development and appressoria formation in Sclerotinia sclerotiorum. AB - The sclerotium, a multicellular structure composed of the compact aggregation of vegetative hyphae, is critical for the long-term survival and sexual reproduction of the plant-pathogenic fungus Sclerotinia sclerotiorum. The development and carpogenic germination of sclerotia are regulated by integrating signals from both environmental and endogenous processes. Here, we report the regulatory functions of the S. sclerotiorum GATA-type IVb zinc-finger transcription factor SsNsd1 in these processes. SsNsd1 is orthologous to the Aspergillus nidulans NsdD (never in sexual development) and the Neurospora crassa SUB-1 (submerged protoperithecia-1) proteins. Ssnsd1 gene transcript accumulation remains relatively low, but variable, during vegetative mycelial growth and multicellular development. Ssnsd1 deletion mutants (Deltansd1-KOs) produce phialides and phialospores (spermatia) excessively in vegetative hyphae and promiscuously within the interior medulla of sclerotia. In contrast, phialospore development occurs only on the sclerotium surface in the wild-type. Loss of SsNsd1 function affects sclerotium structural integrity and disrupts ascogonia formation during conditioning for carpogenic germination. As a consequence, apothecium development is abolished. The Ssnsd1 deletion mutants are also defective in the transition from hyphae to compound appressorium formation, resulting in a loss of pathogenicity on unwounded hosts. In sum, our results demonstrate that SsNsd1 functions in a regulatory role similar to its ascomycete orthologues in regulating sexual and asexual development. Further, SsNsd1 appears to have evolved as a regulator of pre-penetration infectious development required for the successful infection of its many hosts. PMID- 29227023 TI - Sex-linked difference in blood oxygen saturation. AB - BACKGROUND: It is not known whether SpO2 in healthy volunteers is affected by sex. OBJECTIVE: To evaluate whether there are differences in SpO2 between young healthy adult males and females and to evaluate whether the differences are already present at birth. METHODS: We studied two cohorts of patients. The first one consisted of young adult volunteers (105 males and 102 females). In these patients, SpO2 was measured as well as selected anthropometric variables (height, weight), vital signs (respiratory rate, pulse rate and body temperature) and obtained data on menstrual cycle phase of the female participants. For the second cohort, we reanalyzed data from a previous prospective study that was performed to compare SpO2 of newborns infants born at different altitudes (sea level or 760 m above sea level). MEASUREMENTS AND MAIN RESULTS: In young male adults, mean SpO2 was 97.1% +/- 1.2% versus 98.6% +/- 1.0% in females (P < .001). This difference remained significant (P = .002) after correction for BMI, BSA and age, variables that were significantly different between sexes in univariate analysis. The SpO2 in females was unaffected by menstrual phase. In contrast to findings in adults, there were no significant differences in SpO2 measurements in newborn infants attributable to sex. CONCLUSIONS: Healthy young female adults have a higher (1.5%) SpO2 than their male counterparts. This difference is not yet present at birth. Further studies are needed to determine the timing of sex differences, and to better define the mechanism(s) behind this observation. PMID- 29227025 TI - Light-Driven C-H Oxygenation of Methane into Methanol and Formic Acid by Molecular Oxygen Using a Perfluorinated Solvent. AB - The chlorine dioxide radical (ClO2. ) was found to act as an efficient oxidizing agent in the aerobic oxygenation of methane to methanol and formic acid under photoirradiation. Photochemical oxygenation of methane occurred in a two-phase system comprising perfluorohexane and water under ambient conditions (298 K, 1 atm). The yields of methanol and formic acid were 14 and 85 %, respectively, with a methane conversion of 99 % without formation of the further oxygenated products such as CO2 and CO. Ethane was also photochemically converted into ethanol (19 %) and acetic acid (80 %). The methane oxygenation is initiated by the photochemical Cl-O bond cleavage of ClO2. to generate Cl. and O2 . The produced Cl. reacts with CH4 to form a methyl radical (CH3. ). Finally, the oxygenated products such as methanol and formic acid were given by the radical chain reaction. A fluorous solvent plays an important role of inhibiting the deactivation of reactive radical species such as Cl. and CH3. . PMID- 29227024 TI - Blood biomarkers as predictors of long-term mortality in COPD. AB - BACKGROUND: Blood biomarkers are easily accessible and might reflect chronic obstructive pulmonary disease (COPD) activity. AIM: The aim of this study was to determine whether a panel of blood biomarkers [C-reactive protein (CRP), neutrophils, eosinophils, albumin and vitamin D] could predict mortality in COPD. METHODS: We analyzed data from 431 COPD participants to the 2007-2010 National Health and Nutrition Examination Surveys who were followed for a median time of 36 months. COPD was defined as post-bronchodilator forced expiratory volume in 1 second (FEV1) and forced vital capacity ratio <0.70. Weibull survival analysis adjusted for covariates was performed to calculate the risk of mortality associated with the biomarkers, and C-statistics was used to assess their added predictive value. RESULTS: During follow-up, 38 of the 431 participants died. Participants with high CRP, eosinophil count <2%, hypoalbuminemia and hypovitaminosis D had worse baseline FEV1 and subsequently higher mortality compared to controls. In adjusted analysis, increasing CRP [hazard ratio (HR): 4.45, 95% CI: 1.91-10.37] and neutrophil count (HR: 1.07, 95% CI: 1.03-1.11) as well as decreasing eosinophil count (HR: 7.03, 95% CI: 2.05-24.01) were associated with an increased risk of mortality. The addition of CRP with eosinophil and/or neutrophil count significantly improved a base model for the prediction of mortality which included age, gender, race/ethnicity, body mass index, smoking, poverty income ratio, asthma, diabetes, hypertension and history of stroke or myocardial infarction. CONCLUSION: High CRP and neutrophils as well as low eosinophils are predictive of poor COPD prognosis. They also add significant value to prediction models of mortality in COPD. PMID- 29227026 TI - The prevalence of asthma in Iranian adults: The first national survey and the most recent updates. AB - BACKGROUND: The worldwide increase in the prevalence of asthma has made it a major public-health concern. We aimed to identify the prevalence of asthma and asthma symptoms in adults living in urban and rural areas of Iran as a populated country with about 80 millions of residents. METHODS: This cross-sectional study was conducted to estimate the prevalence of asthma in adults between 20 and 44 years old in all provinces of Iran. Data were collected by personal interview via a standardized questionnaire [European Community Respiratory Health Survey (ECRHS)] between November 2015 and February 2016. RESULTS: A total of 24 344 individuals were enrolled. The prevalence of asthma was 8.9% [95% confidence interval (CI): 8.5-9.3]. The most common asthma symptoms were wheezing (14.2%, n = 3465), nocturnal cough (13.3%, n = 3234) and chest tightness (11.3%, n = 2760). Additionally, the prevalence of current asthma (taking asthma medications or asthma attack) was estimated to be 4.7% (n = 1155). Asthma was significantly more prevalent in males compared to females (P = .002), while no significant relationship was detected between gender and asthma after adjusted analysis with other variables. The prevalence of asthma was significantly higher in older participants (P < .001) and individuals with low educational level (P < .001). Interestingly, there was no significant relationship between asthma and area of residency (P = .8). CONCLUSIONS: The prevalence of asthma in Iran was similar to other Asian and European countries. However, repeated national surveys are required to determine the trend of asthma prevalence in Iran in comparison to other countries. PMID- 29227027 TI - Cryogenic modulation fast GC * GC-MS using a 10 m microbore column combination: Concept, method optimization, and application. AB - The present research is based on the concept of using a 10 m * 0.1 mm id column for cryogenic-modulation fast comprehensive two-dimensional gas chromatography with quadrupole mass spectrometry. Specifically, an 8.9 m * 0.1 mm id low polarity column was used as the first dimension, and a 1.1 m * 0.1 mm id medium polarity column was used as the second dimension. The main scope of the investigation was to develop a high peak-capacity method, with an analysis time of approximately 10 min. Various aspects related to method optimization are discussed, as well as separation parameters such as peak capacity (in each dimension, and as a total value), first-dimension sample capacity, peak widths, modulation ratio, sensitivity enhancement, and number of spectra per peak. The fast approach was evaluated in applications involving a mixture of cosmetic allergens and a sample of perfume. The approach proposed enables high-resolution separations in a short time (across the C8 -C23 alkane range), as well as a considerable reduction of the consumption of gases for modulation cooling and heating. PMID- 29227028 TI - Magnetic iron(III)-based framework composites for the magnetic solid-phase extraction of fungicides from environmental water samples. AB - We adopted a facile hydrofluoric acid-free hydro-/solvothermal method for the preparation of four magnetic iron(III)-based framework composites (MIL-101@Fe3 O4 -COOH, MIL-101-NH2 @Fe3 O4 -COOH, MIL-53@Fe3 O4 -COOH, and MIL-53-NH2 @Fe3 O4 COOH). The obtained four magnetic iron(III)-based framework composites were applied to magnetic separation and enrichment of the fungicides (prochloraz, myclobutanil, tebuconazole, and iprodione) from environmental samples before high performance liquid chromatographic analysis. MIL-101-NH2 @Fe3 O4 -COOH showed more remarkable pre-concentration ability for the fungicides as compared to the other three magnetic iron(III)-based framework composites. The extraction parameters affecting enrichment efficiency including extraction time, sample pH, elution time, and the desorption solvent were investigated and optimized. Under the optimized conditions, the standard curve of correlation coefficients were all above 0.991, the limits of detection were 0.04-0.4 MUg/L, and the relative standard deviations were below 10.2%. The recoveries of two real water samples ranged from 71.1-99.1% at the low spiking level (30 MUg/L). Therefore, the MIL 101-NH2 @Fe3 O4 -COOH composites are attractive for the rapid and efficient extraction of fungicides from environmental water samples. PMID- 29227029 TI - Differential requirement of BAK1 C-terminal tail in development and immunity. AB - BRI1-ASSOCIATED RECEPTOR KINASE 1 (BAK1) plays critical roles in plant developmental and immune signaling pathways. BAK1 and a large number of leucine rich repeat receptor-like kinases (LRR-RLKs) harbor a mysterious carboxyl terminal tail (CT) beyond their kinase domain. In this study we analyzed the biological significance of this CT region using a unique bak1 mutant allele which causes deletion of the CT region. We showed that BAK1 CT promotes its kinase activity and is required for pathogen-associated molecular pattern (PAMP) triggered immunity, but it is dispensable for brassinosteroid responses and BAK1/BKK1-inhibited cell death signaling. Therefore the BAK1 C-terminal tail is differentially required for its functions in development and immunity. PMID- 29227030 TI - Discrimination of FCGR2B polymorphism without coamplification of FCGR2A and FCGR2C genes. AB - The FCGR locus is characterized by high polymorphism and sequence homology. In particular, the Ile232Thr polymorphism in the FCGR2B gene results in inaccurate genotyping in most published papers. The purpose of the study was to develop an accurate genotyping assay able to discriminate this polymorphism. PMID- 29227031 TI - Innovative Sol-Gel Routes for the Bottom-Up Preparation of Heterogeneous Catalysts. AB - Heterogeneous catalysts can be prepared by different methods offering various levels of control on the final properties of the solid. In this account, we exemplify bottom-up preparation routes that are based on the sol-gel chemistry and allow to tailor some decisive properties of solid catalysts. First, an emulsion templating strategy is shown to lead to macrocellular self-standing monoliths with a macroscopic 3D structure. The latter can be used as catalyst or catalyst supports in flow chemistry, without requiring any subsequent shaping step. Second, the aerosol-assisted sol-gel process allows for the one-step and continuous production of porous mixed oxides. Tailored textural properties can be obtained together with an excellent control on composition and homogeneity. Third, the application of non-hydrolytic sol-gel routes, in the absence of water, leads to mixed oxides with outstanding textural properties and with peculiar surface chemistry. In all cases, the resulting catalytic performance can be correlated with the specificities of the preparation routes presented. This is exemplified in catalytic reactions in the fields of biomass conversion, petro chemistry, enantioselective organic synthesis, and air pollution mitigation. PMID- 29227032 TI - Efficacy and safety of low-dose urokinase for the treatment of hemodynamically stable AECOPD patients with acute pulmonary thromboembolism. AB - PURPOSE: The aim of this study was to assess the incidence of pulmonary thromboembolism (PTE) in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD),and to evaluate the efficacy and safety of low-dose urokinase (UK) thrombolysis therapy when treating hemodynamically stable AECOPD patients with acute PTE (AECOPD-PTE). METHODS: A total of 419 AECOPD patients, including 96 AECOPD-PTE, were enrolled. A total of 30 AECOPD-PTE patients were collected retrospectively, and 66 AECOPD-PTE patients were prospectively divided into anticoagulation-only, low-dose UK and standard-dose UK groups. Follow-up 1 year, we evaluated the efficacy and safety of low-dose UK therapy for hemodynamically stable AECOPD-PTE patients. RESULTS: The incidence of PTE in AECOPD patients was 22.9% (96/419), which increased with COPD severity degree ranging from 3.5% (2/57) in mild, 13.6% (19/140) in moderate and 33.8% (75/222) in severe subgroups (P < .05). In the prospective study, the total effective rate of low-dose UK group 97.2% (35/36) was higher than that in anticoagulation 75.0% (12/16) and standard-dose UK group 78.6% (11/14) respectively (P < .05). In the follow-up, the adverse events rate in low-dose UK group 8.3% (3/36) was significantly lower than that in anticoagulation group 25.0% (4/16) and standard dose UK group 71.4% (10/14) respectively (P < .05). In addition, the mean PTE recurrence time of low-dose UK group (9.0 +/- 0) months was longer than anticoagulation group (2.0 +/- 1.41) months (P < .05). AECOPD relapse time in anticoagulation, low-dose UK and standard-dose UK groups corresponding to (8.5 +/ 2.12), (9.0 +/- 0) and (8.8 +/- 3.40) months were compared with no significant difference (P > .05). CONCLUSIONS: The incidence of PTE in AECOPD patients was 22.9%, especially with higher occurrence rate in severe COPD. Compared with anticoagulation-only therapy, low-dose UK treatment (500 000 IU/day for 5-7 days) could obtain a better efficacy and safety in hemodynamically stable AECOPD patients with acute PTE, corresponding with a higher effective rate (97.2%) and lower adverse events rate (8.3%) respectively. PMID- 29227033 TI - Autopsy findings in EPG5-related Vici syndrome with antenatal onset: Additional report of Focal cortical microdysgenesis in a second trimester fetus. PMID- 29227034 TI - The clinical course of late-life bipolar disorder, looking back and forward. AB - OBJECTIVES: Little is known about the course of late-life bipolar disorder (LLBD). First, we studied patients with LLBD retrospectively with regard to age at first mood episode, onset polarity, predominant polarity and episode density and its associations with other clinical variables. Next, we examined prospectively the clinical course and its associated factors. METHODS: Data were used from a dynamic cohort (Dutch Older Bipolars [DOBi]) including 101 patients with LLBD (mean age of 68.9 years) at baseline in 2012, with 3-year follow-up measurements available for 64 of these patients. Retrospective course was assessed by diagnostic interviews, and at follow-up polarity and duration for each consecutive episode were noted. Linear and logistic analyses were performed to assess associations between relevant factors and outcome. RESULTS: The mean age at the first episode was 33.0 years. Onset polarity was depression in 44.6% of patients, with a predominant polarity of depression in 47.5%. At 3-year follow up, 37.5% of patients reported at least one mood episode, mainly depression. Life events, somatic illness, use of lithium and other factors were not associated with recurrence during the 3-year follow-up. DISCUSSION: A relapse rate of 37.5% in 3 years is high, considering that LLBD patients generally have a longer history of disease and were receiving care and medication. The course of LLBD can provide important information on which clinical factors are associated with recurrence. Further phenotyping may reveal unique predictors for outcome, and both course specifiers and clinical variables should be included. PMID- 29227035 TI - Mass Spectrometry Analyses of Multicellular Tumor Spheroids. AB - Multicellular tumor spheroids (MCTS) are a powerful biological in vitro model, which closely mimics the 3D structure of primary avascularized tumors. Mass spectrometry (MS) has established itself as a powerful analytical tool, not only to better understand and describe the complex structure of MCTS, but also to monitor their response to cancer therapeutics. The first part of this review focuses on traditional mass spectrometry approaches with an emphasis on elucidating the molecular characteristics of these structures. Then the mass spectrometry imaging (MSI) approaches used to obtain spatially defined information from MCTS is described. Finally the analysis of primary spheroids, such as those present in ovarian cancer, and the great potential that mass spectrometry analysis of these structures has for improved understanding of cancer progression and for personalized in vitro therapeutic testing is discussed. PMID- 29227036 TI - Bottom-up Nanoencapsulation from Single Cells to Tunable and Scalable Cellular Spheroids for Hair Follicle Regeneration. AB - Cell surface engineering technology advances cell therapeutics and tissue engineering by accurate micro/nanoscale control in cell-biomaterial ensembles and cell spheroids formation. By tailoring cell surface, microgels can encapsulate cells for versatile uses. However, microgels are coated in a thick layer to house multiple cells together but not a single cell based. Besides, excessive deposition on cell surface is detrimental to cellular functions. Herein, layer-by layer (LbL) self-assembly to encapsulate single cell using nanogel is reported, owing to its security and tunable thickness at nanoscale, and further forms cell spheroids by physical cross-linking on nanogel-coated cells for delivery. A hair follicle (HF) regeneration model where the dermal papilla cells (DPCs) are given a 3D installation to maintain its ability of HF induction during in vitro culture is studied. Dermal papilla (DP) spheroids are optimized and that LbL-DPCs aggregation is akin to primary DP is demonstrated. The markers ALP, Versican, and NCAM are examined to investigate that high-passaged (P8) DP spheroids can restore the hair induction potential, which are lost in 2D culture. New HFs are regenerated successfully by implantation of DP spheroids in vivo. PMID- 29227037 TI - Prospective transfrontal sheep model of skull-base reconstruction using vascularized mucosa. AB - BACKGROUND: No high-fidelity animal model exists to examine prospective wound healing following vascularized reconstruction of the skull base. Such a model would require the ability to study the prospective behavior of vascularized mucosal repairs of large dural and arachnoid defects within the intranasal environment. The objective of this study was to therefore develop and validate a novel, in vivo, transfrontal sheep model of cranial base repair using vascularized sinonasal mucosa. METHODS: Twelve transfrontal craniotomy and 1.5-cm durotomy reconstructions were performed in 60-kg to 70-kg Dorset/Ovis Aries sheep using vascularized mucosa with or without an adjunctive BiodesignTM underlay graft (n = 6 per group). Histologic outcomes were graded (scale, 0 to 4) by a blinded veterinary histopathologist after 7, 14, and 28 days for a range of wound healing parameters. RESULTS: All sheep tolerated the surgery, which required 148 +/- 33 minutes. By day 7, the mucosa was fully adherent with complete partitioning of the sinus and intracranial compartments. Fibroblast infiltration and flap neovascularization scores significantly increased between day 7 (0.3 +/- 0.5 and 0.0 +/- 0.0) and day 28 (4.0 +/- 0.0, p = 0.01 and 2.0 +/- 0.8, p = 0.01; respectively), while hemorrhage scores significantly decreased from 2.5 +/- 0.6 to 0.0 +/- 0.0 (p = 0.01). The inflammatory scores were not significantly different between the heterologous graft and control sides. CONCLUSION: The described sheep model accurately reflects prospective intranasal wound healing following vascularized mucosal reconstruction of dural defects. This model can be used in future studies to examine novel reconstructive materials, tissue glues, and transmucosal drug delivery to the central nervous system. PMID- 29227038 TI - Molecular Design of Efficient Organic D-A-pi -A Dye Featuring Triphenylamine as Donor Fragment for Application in Dye-Sensitized Solar Cells. AB - A metal-free organic sensitizer, suitable for the application in dye-sensitized solar cells (DSSCs), has been designed, synthesized and characterized both experimentally and theoretically. The structure of the novel donor-acceptor-pi bridge-acceptor (D-A-pi-A) dye incorporates a triphenylamine (TPA) segment and 4 (benzo[c][1,2,5]thiadiazol-4-ylethynyl)benzoic acid (BTEBA). The triphenylamine unit is widely used as an electron donor for photosensitizers, owing to its nonplanar molecular configuration and excellent electron-donating capability, whereas 4-(benzo[c][1,2,5]thiadiazol-4-ylethynyl)benzoic acid is used as an electron acceptor unit. The influences of I3- /I- , [Co(bpy)3 ]3+/2+ and [Cu(tmby)2 ]2+/+ (tmby=4,4',6,6'-tetramethyl-2,2'-bipyridine) as redox electrolytes on the DSSC device performance were also investigated. The maximal monochromatic incident photon-to-current conversion efficiency (IPCE) reached 81 % and the solar light to electrical energy conversion efficiency of devices with [Cu(tmby)2 ]2+/+ reached 7.15 %. The devices with [Co(bpy)3 ]3+/2+ and I3- /I- electrolytes gave efficiencies of 5.22 % and 6.14 %, respectively. The lowest device performance with a [Co(bpy)3 ]3+/2+ -based electrolyte is attributed to increased charge recombination. PMID- 29227039 TI - Mid-term results of bariatric surgery in morbidly obese Japanese patients with slow progressive autoimmune diabetes. AB - INTRODUCTION: Bariatric surgery is recognized as an effective treatment for type 2 diabetes mellitus, but data on its efficacy for type 1 diabetes mellitus, especially slowly progressive insulin-dependent diabetes mellitus, are limited. METHODS: We investigated five Japanese patients with slowly progressive insulin dependent diabetes mellitus who underwent bariatric surgery at our center. RESULTS: Five morbidly obese glutamic acid decarboxylase antibody-positive diabetic patients underwent two different types of bariatric surgery. The mean titer of anti-glutamic acid decarboxylase antibody was 4.6 U/mL, and the mean preoperative bodyweight and BMI were 113 kg and 39.6 kg/m2 , respectively. The mean hemoglobin A1c was 8.4%. The mean fasting serum C-peptide was 5.0 ng/mL. Laparoscopic sleeve gastrectomy was performed in two patients, while laparoscopic sleeve gastrectomy with duodenojejunal bypass was performed in three patients. At one year after surgery, the mean bodyweight and BMI significantly dropped, and the mean percentage of excess weight loss was 96.4%. The mean hemoglobin A1c was 5.7%. This favorable trend was maintained at mid-term. CONCLUSION: Bariatric surgery for morbidly obese patients with anti-glutamic acid decarboxylase antibody-positive type 1 diabetes mellitus, especially slow progressive autoimmune diabetes, seemed effective in achieving mid-term glycemic control. Longer follow-up with a larger number of patients, as well as validation with more advanced patients with slowly progressive insulin-dependent diabetes mellitus, will be needed. PMID- 29227040 TI - Towards Sustainable H2 Production: Rational Design of Hydrophobic Triphenylamine based Dyes for Sensitized Ethanol Photoreforming. AB - Donor-acceptor dyes are a well-established class of photosensitizers, used to enhance visible-light harvesting in solar cells and in direct photocatalytic reactions, such as H2 production by photoreforming of sacrificial electron donors (SEDs). Amines-typically triethanolamine (TEOA)-are commonly employed as SEDs in such reactions. Dye-sensitized photoreforming of more sustainable, biomass derived alcohols, on the other hand, was only recently reported by using methanol as the electron donor. In this work, several rationally designed donor-acceptor dyes were used as sensitizers in H2 photocatalytic production, comparing the efficiency of TEOA and EtOH as SEDs. In particular, the effect of hydrophobic chains in the spacer and/or the donor unit of the dyes was systematically studied. The H2 production rates were higher when TEOA was used as SED, whereas the activity trends depended on the SED used. The best performance was obtained with TEOA by using a sensitizer with just one bulky hydrophobic moiety, propylenedioxythiophene, placed on the spacer unit. In the case of EtOH, the best performing sensitizers were the ones featuring a thiazolo[5,4-d]thiazole internal unit, needed for enhancing light harvesting, and carrying alkyl chains on both the donor part and the spacer unit. The results are discussed in terms of reaction mechanism, interaction with the SED, and structural/electrochemical properties of the sensitizers. PMID- 29227041 TI - A 14-Protein Signature for Rapid Identification of Poor Prognosis Stage III Metastatic Melanoma. AB - PURPOSE: To validate differences in protein levels between good and poor prognosis American Joint Committee on Cancer (AJCC) stage III melanoma patients and compile a protein panel to stratify patient risk. EXPERIMENTAL DESIGN: Protein extracts from melanoma metastases within lymph nodes in patients with stage III disease with good (n = 16, >4 years survival) and poor survival (n = 14, <2 years survival) were analyzed by selected reaction monitoring (SRM). Diagonal Linear Discriminant Analysis (DLDA) was performed to generate a protein biomarker panel. RESULTS: SRM analysis identified ten proteins that were differentially abundant between good and poor prognosis stage III melanoma patients. The ten differential proteins were combined with 22 proteins identified in our previous work. A panel of 14 proteins was selected by DLDA that was able to accurately classify patients into prognostic groups based on levels of these proteins. CONCLUSIONS AND CLINICAL RELEVANCE: The ten differential proteins identified by SRM have biological significance in cancer progression. The final signature of 14 proteins identified by SRM could be used to identify AJCC stage III melanoma patients likely to have poor outcomes who may benefit from adjuvant systemic therapy. PMID- 29227042 TI - Ex vivo confocal microscopy features of cutaneous squamous cell carcinoma. AB - BACKGROUND: Rapid microscopic evaluation of cutaneous squamous cell carcinoma (SCC), its grade of differentiation and level of invasiveness would enable better management of patients' therapy. OBJECTIVES: Analyzing specific ex vivo confocal microscopy criteria whether they can predict diagnosis of invasive SCC vs carcinoma in situ and poorly differentiated or undifferentiated vs well and moderately differentiated SCC. METHODS: Ex vivo confocal images of 102 SCCs in 57 patients were evaluated immediately after excision for the presence of predefined criteria based on confocal and histological knowledge. RESULTS: In histopathological examination, 30 SCCs were in situ and 72 invasive. Of these, 29 invasive SCC tumors were well, 19 moderately, 15 poorly differentiated and 9 undifferentiated. chi2 analysis demonstrated that presence of erosion/ulceration, plump bright or speckled cells in dermis, keratin pearls and peritumoral inflammatory infiltrate correlated with diagnosis of invasive SCC. Erosion/ulceration and peritumoral inflammatory infiltrate were observed more frequently in poorly differentiated or undifferentiated tumors. Plump bright or speckled cells in the dermis were observed less often in well-differentiated tumors. The presence of keratin pearls was associated with well or moderately differentiated tumors. CONCLUSION: Ex vivo CLSM allowed rapid examination of SCC and provided useful information on invasiveness and grading of the tumor. PMID- 29227043 TI - The association of air pollutants and allergic and nonallergic rhinitis in chronic rhinosinusitis. AB - BACKGROUND: There has been little investigation regarding air quality and rhinitis in the pathophysiology of upper airway disease. In this study, we assessed the impact of inhalant pollutants (particulate matter 2.5 [PM2.5 ] and black carbon [BC]) on allergic rhinitis and chronic rhinosinusitis (CRS) disease severity. METHODS: CRS patients with nasal polyps (CRSwNP) and without polyps (CRSsNP) were identified. Spatial modeling from pollutant monitoring sites was used to estimate exposures for patients meeting the inclusion criteria (total, n = 125; CRSsNP, n = 67; CRSsNP, n = 58). Skin-prick, intradermal dilutional, and in-vitro testing methods were utilized to determine aeroallergen sensitization. Disease severity indicators were measured by modified Lund-Mackay score (LMS), the 22-item Sino-Nasal Outcome Test (SNOT-22), systemic steroid therapy, and number of functional endoscopic sinus surgeries (FESS). RESULTS: Thirty-six percent (n = 45) of patients who described rhinitis symptoms demonstrated no reactivity to aeroallergen testing. Sixty-four percent (n = 80) tested positive for at least 1 allergen, with no differences found between CRSsNP and CRSwNP (62.1% vs 67.2%). There were significant differences in air pollutants between patients testing negative and positive for allergies (nonallergic vs allergic: PM2.5 , 11.32 vs 11.07 MUg/m3 , p = 0.030; BC, 0.81 vs 0.76 absorbance, p =0.044). Nonallergic CRSwNP demonstrated higher PM2.5 compared with allergic counterparts (11.48 vs 11.09 MUg/m3 , p = 0.032). A similar pattern was observed with BC (0.82 vs 0.75 absorbance, p = 0.017). In CRSsNP, BC correlated significantly with SNOT-22 (r = 0.55, p = 0.042). CONCLUSION: Our results suggest that small inhalant pollutants may contribute to nonallergic symptomatology in patients with and without nasal polyps. Regardless of allergy status, BC may play a role in CRS symptom severity. PMID- 29227044 TI - Utility of core biopsy with concurrent ROSE FNA in the diagnosis of pancreatic tumor-does the biopsy add any diagnostic benefit? AB - BACKGROUND: Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) and endoscopic ultrasound-guided core-needle biopsy (EUS-CNB) are widely used for diagnosis of pancreatic tumors. The aim of our study was to compare the diagnostic performance of ROSE EUS-FNA and EUS-CNB for diagnosis of pancreatic malignancy during the same EUS. METHODS: Patients who underwent both FNA and CNB during the same EUS for pancreatic solid lesion were reviewed retrospectively. Sample adequacy, diagnostic yield (defined as percentage of definitive diagnosis), sensitivity and specificity for malignancy were compared between FNA and CNB. RESULTS: A total of 48 patients with solid pancreatic lesions were evaluated. The proportions of adequate samples were 48/48 (100%) for FNA and 45/48 (93.7%) for core biopsy (P = .24). The diagnostic yield was 42/48 (87.5%) and 33/48 (68.7%) for FNA and CNB respectively (P = .046). The incremental increase in diagnostic yield by combining both methods was 2/48 (4%). The diagnostic yield for malignancy was 30/32 (93.7%) for FNA and 23/32 (71.8%) for CNB (P = .043). The sensitivity for the diagnosis of malignancy for FNA and CNB were 90.6% and 69%, respectively (P = .045). The specificity was 100% for both methods. The sensitivity for diagnosing malignancy increased to 93.8% when the two methods were combined. The difference in diagnostic yield was not associated with lesion size or location. CONCLUSION: EUS-guided FNA is a superior method of assessing solid pancreatic lesion and pancreatic malignancy with better diagnostic yield and higher sensitivity than EUS-CNB. PMID- 29227045 TI - Detection of depth-depend changes in porcine cartilage after wear test using Raman spectroscopy. AB - Cartilage damage and wear can lead to severe diseases, such as osteoarthritis, thus, many studies on the cartilage wear process have already been performed to better understand the cartilage wear mechanism. However, most characterization methods focus on the cartilage surface or the total wear extent. With the advantages of high spatial resolution and easy characterization, Raman microspectroscopy was employed for the first time to characterize full-depth changes in the cartilage extracellular matrix (ECM) after wear test. Sections from the cartilage samples after wear were compared with sections from the control group. Univariate and multivariate analyses both indicated that collagen content loss at certain depths (20%-30% relative to the cartilage surface) is possibly the dominating alteration during wear rather than changes in collagen fiber orientation or proteoglycan content. These findings are consistent with the observations obtained by scanning electron microscopy and histological staining. This study successfully used Raman microspectroscopy efficiently assess full depth changes in cartilage ECM after wear test, thus providing new insight into cartilage damage and wear. PMID- 29227046 TI - Prevalence of comorbidities in patients with obstructive sleep apnea syndrome, overlap syndrome and obesity hypoventilation syndrome. AB - INTRODUCTION: Sleep-disordered breathing causes a burden to the sufferer, the health care system and the society. Most studies have focused on obstructive sleep apnea (OSA); however, the prevalence of comorbidities in patients affected by overlap syndrome (OS) and obesity hypoventilation syndrome (OHS) has not been carefully evaluated. STUDY OBJECTIVES: The principal aim of this study was to identify the presence of comorbidities in patients suffering from OSA, OS, OHS and the differences in three groups of patients. Another purpose was to verify if sleepiness is associated with a greater prevalence of comorbidities. METHODS: A retrospective analysis in 989 adults referred for sleep diagnostic testing to our sleep center was performed. Patients were classified in OSA (721), OS (123) and OHS (145). RESULTS: The prevalence of comorbidities was higher in patients affected by OS and was the highest in the OHS group, while the prevalence of arterial hypertension is the highest in patients affected by OS. The probability of having more than two comorbidities follows the same trend. Excessive daytime sleepiness was associated with an increased rate of arterial hypertension, diabetes mellitus and the presence of multimorbidity in each group of patients. CONCLUSIONS: The presence and the association of comorbidities seem to be higher in patients suffering from OSA, OS and OHS. Subjects suffering of OHS present a high prevalence of main diseases despite their younger age compared with others patients with SDB. Sleepiness may have a role, at least in a subset of these patients, into the development of comorbidities. PMID- 29227048 TI - The prevalence of Eustachian tube dysfunction symptoms in patients with chronic rhinosinusitis. AB - BACKGROUND: While Eustachian tube dysfunction (ETD) is a known comorbidity of chronic rhinosinusitis (CRS), the prevalence of ETD symptoms in the CRS population is poorly understood. We sought to determine the cross-sectional prevalence of ETD in patients with CRS using the validated Eustachian Tube Dysfunction Questionnaire (ETDQ-7) and to correlate ETDQ-7 scores with 22-item Sino-Nasal Outcome Test (SNOT-22) scores, endoscopy scores, and computed tomography (CT) scores. METHODS: A total of 101 patients with confirmed CRS completed the ETDQ-7 and SNOT-22 at their initial visit to our rhinology clinic. Lund-Mackay CT and Lund-Kennedy endoscopy scores were also obtained. Spearman's correlation coefficient (rho) was calculated. RESULTS: Among the 101 patients, 49 patients (48.5%) had an ETDQ-7 score of >=14.5, signifying clinically significant ETD. The mean +/- standard deviation (SD) ETDQ-7 score of the entire cohort was 17.8 +/- 10.1. There was a moderately strong correlation between ETDQ-7 and the SNOT-22 ear subdomain (rho = 0.691, p < 0.001). The correlation coefficient between ETDQ-7 and total SNOT-22 scores was rho = 0.491 (p < 0.001), indicating moderate correlation. ETDQ-7 scores were poorly correlated to objective measures of sinonasal disease, including Lund-Mackay CT score (rho = -0.055, p = 0.594) and Lund-Kennedy endoscopy score (rho = -0.099, p = 0.334). CONCLUSION: Symptoms of ETD are highly prevalent among patients with CRS as documented by patient reported outcome measures. The correlation between ETDQ-7 scores and SNOT-22 ear subdomain scores is moderately strong, while the correlation between ETDQ-7 scores and SNOT-22 scores is moderate. ETD severity does not correlate with CT score or nasal endoscopy score. PMID- 29227049 TI - Rib fracture fixation in a South African public trauma service. AB - BACKGROUND: Rib fractures and flail chests have traditionally been treated nonoperatively. Current literature suggests that it is not only safe and feasible but also desirable to perform fixation of severe rib fractures. Our unit in the Pietermaritzburg public sector adopted rib fracture fixation in 2014 and in this audit we assess its feasibility in our setting. METHODS AND RESULTS: We audited our first nine cases of rib fracture fixation performed to date, of which seven were males. The age range was 29 to 67 years. All patients had multiple rib fractures with severe displacement; one had bilateral flail segments and one had severely displaced unilateral single fractures without flail; all others had unilateral flail chests. Time from injury to operation ranged from 3 to 20 days. Of six ventilator dependent patients, all but one were liberated from the ventilator within 3 days after fixation (1-3 days). The remaining patient remained ventilator dependent for 10 days while recovering from traumatic brain injury. This patient aside, all were discharged from ICU within 5 days. Patients with no other significant injuries were discharged from hospital within five to eight days; all being mobile within five days. Procedure-related complications included accidental pleural breach during rib mobilization necessitating intercostal drain placement (2 patients) and superficial wound infection (1 patient). All patients were discharged well. CONCLUSION: Rib fracture fixation is safe and feasible in our unit and is feasible in the South African public sector. PMID- 29227050 TI - Barriers to accessing ATLS provider course for junior doctors at a major university hospital in South Africa. AB - BACKGROUND: Advanced trauma life support (ATLS) is the international standard of care and forms the basis of trauma training in South Africa. Previous local studies demonstrated a low completion rate among junior doctors (JD). This study was designed to determine the reasons and identify possible barriers of JDs to accessing the ATLS course at a major university hospital. METHOD: This was a prospective study utilising a structured survey that included all JDs who were undertaking their internship training. RESULTS: A total of 105 JDs completed the survey. Sixty-two percent were female (65/105) and the mean age was 25 years. Forty-eight percent (50/105) of all JDs were post graduate year 1 (PGY 1) and the remaining 52% were post graduate year 2 (PGY 2) JDs. Sixty-two percent (65/105) of all respondents had completed their mandatory rotation in surgery. The reasons for non-attendance of ATLS were: unable to secure a place on course (52%), unable to afford course fee (18%), permission for attendance not granted (14%), unable to obtain study leave (10%) and lack of interest (5%). Subgroup analysis comparing the reasons for PGY1s vs PGY2s demonstrated that not being able to secure a place on course was more common among PGY2s [19% vs 33%, p < 0.001] while financial reasons were more common among PGY1s [18% vs 0%, p < 0.001]. CONCLUSION: The primary barriers for JDs to attending ATLS training is difficulty in accessing the course due to oversubscription, financial reasons, followed by difficulty in obtaining professional development leave due to staff shortage. There is an urgent need to improve access to the ATLS training course for JDs in our environment. PMID- 29227047 TI - Advances in Stimulus-Responsive Polymeric Materials for Systemic Delivery of Nucleic Acids. AB - Polymeric materials that respond to a variety of endogenous and external stimuli are actively developed to overcome the main barriers to successful systemic delivery of therapeutic nucleic acids. Here, an overview of viable stimuli that are proved to improve systemic delivery of nucleic acids is provided. The main focus is placed on nucleic acid delivery systems (NADS) based on polymers that respond to pathological or physiological changes in pH, redox state, enzyme levels, hypoxia, and reactive oxygen species levels. Additional discussion is focused on NADS suitable for applications that use external stimuli, such as light, ultrasound, and local hyperthermia. PMID- 29227051 TI - Serum alcohol levels correlate with injury severity and resource utilization. AB - BACKGROUND: Alcohol consumption leads to violence and poor judgement. The resultant trauma is the leading cause of emergency department visits. In South Africa, alcohol-related emergency visits can be as high as 57%. The purpose of this prospective study was to establish the prevalence of positive blood alcohol and Blood Alcohol Concentration (BAC) at a tertiary trauma unit in Durban, and to correlate it with injury severity, length of hospital stay and resource utilization. METHOD: A total of 100 patients from King Edward trauma unit were analysed prospectively during the period December 2014 to February 2015. The BAC was correlated with Injury Severity Score (ISS), mechanism of injury, length of stay, and in-hospital mortality. Pearson chi-square test, Wilcoxon rank sum and student t-test were used for statistical analysis. RESULTS: Eighty-eight patients were male. The mean age was 30 +/- 9.3 years. Forty-seven patients tested positive for blood alcohol, of whom 81% were above the legal limit for professional drivers. The mean BAC among the alcohol positive patients was 0.146 g/dL. Positive blood alcohol was associated with significantly higher ISS scores (p = 0.0004). Injuries due to interpersonal violence were seen in 83 patients of whom 42 (51%) had positive blood alcohol. Hospital stay for alcohol positive patients was significantly longer compared to alcohol negative patients (p < 0.001). CONCLUSION: The prevalence of blood alcohol in the trauma population is high. Positive blood alcohol is associated with high ISS and longer hospital stays. PMID- 29227052 TI - Laparoscopy or clinical follow-up to detect occult diaphragm injuries following left-sided thoracoabdominal stab wounds: A pilot randomized controlled trial. AB - BACKGROUND: The purpose of this study was to determine whether patients with left sided thoracoabdominal (TA) stab wounds can be safely treated with clinical and chest X-ray follow up. METHOD: A prospective, randomized control study was conducted at Groote Schuur Hospital from September 2009 through to November 2014. Patients with asymptomatic left TA stab wounds included in the trial were randomized into two groups. Group A underwent diagnostic laparoscopy and Group B underwent clinical and radiological follow-up. RESULTS: Twenty-seven patients were randomized to Group A (N=27) and thirty-one to Group B (N=31). All patients were young males with a median age of 26 years (range 18 to 48). The incidence of occult diaphragm injury in Group A was 29%. All diaphragm injuries found at laparoscopy were repaired. The mean hospital stay for the patients in Group A was 5 days (SD 1.3), compared to a mean hospital stay of 2.9 days (SD, 1.5), in Group B (p < 0.001). All patients in Group B had normal chest X-rays at their last visit. The mean follow-up time was 24 months (median: 24; interquartile range: 1 40). There was no morbidity or mortality in Group B. CONCLUSION: Clinical and radiological follow-up are feasible and appear to be safe, in the short term, in patients who harbour occult diaphragm injuries after left TA stab wounds. Until studies showing the natural history of diaphragm injury in humans are available, laparoscopy should remain the gold standard in treatment. PMID- 29227053 TI - Quantifying the funding gap for management of traumatic brain injury at a major trauma centre in South Africa. AB - BACKGROUND: Trauma is an eminently preventable disease. However, prevention programs divert resources away from other priorities. Costing trauma related diseases helps policy makers to make decisions on re-source allocation. We used data from a prospective digital trauma registry to cost Traumatic Brain Injury (TBI) at our institution over a two-year period and to estimate the funding gap that exists in the care of TBI. METHOD: All patients who were admitted to the Pietermaritzburg Metropolitan Trauma Service (PMTS) with TBI were identified from the Hybrid Electronic Medical Registry (HMER). A micro-costing model was utilised to generate costs for TBI. Costs were generated for two scenarios in which all moderate and severe TBI were admitted to ICU. The actual cost was then sub tracted from the scenario costs to establish the funding gap. RESULTS: During the period January 2012 to December 2014, a total of 3 301 patients were treated for TBI in PMB. The mean age was 30 years (SD 50). There were 2 632 (80%) males and 564 (20%) females. The racial breakdown was overwhelmingly African (96%), followed by Asian (2%), Caucasian (1%) and mixed race (1%). There were 2 540 mild (GCS 13-15), 326 moderate (9-12), and 329 severe (GCS <=8) TBI admissions during the period under review. A total of 139 patients died (4.2%). A total of 242 (7.3%) patients were admitted to ICU. Of these 137 (57%) had a GCS of 9 or less. A total of 2 383 CT scans were performed. The total cost of TBI over the two-year period was ZAR 62 million. If all 326 patients with moderate TBI had been admitted to ICU there would have been a further 281 ICU admissions. This was labelled Scenario 1. If all patients with severe as well as moderate TBI had been admitted there would have been a further 500 ICU admissions. This was labelled Scenario 2. Based on Scenario 1 and Scenario 2 the total cost would have been ZAR 73 272 250 and ZAR 82 032 250 respectively. The funding gaps for Scenario 1 and Scenario 2 were ZAR 11 240 000 and ZAR 20 000 000 respectively. CONCLUSION: There is a significant burden of TBI managed by the PMTS. The cost of managing TBI each year is in the order of sixty million ZAR. A significant funding gap exists in our environment. This data does not include any data on the broader social costs of TBI. Investing in programs to reduce and prevent TBI is justified by the potential for significant savings. PMID- 29227054 TI - Auditing surgical service provision at a South African tertiary institution: Implications for the development of district services. AB - BACKGROUND: The optimal management of resources within South African state hospitals has been hampered by a paucity of data due to a lack of robust auditing information systems. This study reviews the use of a Hybrid Electronic Medical Record (HEMR) system to capture and aggregate data pertaining to the inpatient service demands on a South African tertiary surgical service. This dataset was used to analyse the appropriateness of tertiary surgical resource utilisation. METHOD: The HEMR system was implemented at Greys Hospital, in the city of Pietermaritzburg, Kwa-Zulu Natal, South Africa on 1 January 2013. Inpatient data pertaining to surgical admissions and operative interventions were captured prospectively. Following an 18-month study period, the data were extracted, aggregated and analysed. The district referral hospitals were mapped, and district surgical procedures performed within the tertiary center were identified and quantified. Results: 7314 patients were admitted and managed by the tertiary surgical service during the study period. The median patient age was 33 years (IQR 6.5-42.4 years). 59.7% were male and 40.3% were female. General, trauma and paediatric surgical admissions constituted 54.8%, 28.6% and 16.6% respectively. Emergency admissions constituted 62.4% and elective admissions 37.6%. Referral sources were captured for 6653 (91%) of the cohort. 4338 (65.2%) patients were referred from district hospitals. The district hospital (Northdale) closest to Greys Hospital was responsible for 1675 (25.2%) of surgical referrals. 4174 operative procedures were performed during the study period, 54.7% performed as an emergency, 34.1% electively and 11.2% semi-electively. The median waiting time for emergency operative intervention was 535 minutes (IQR 130-663). A total of 1272 (30.5%) operative procedures performed were assessed as district-level operations. The time intervals of 07:00-07:59 and 17:00-17:59 were identified as the time periods during which the least number of emergency procedures were performed in the operating theatres. CONCLUSION: The HEMR system enabled the Pietermaritzburg Metropolitan Department of Surgery to quantify the burden of surgical disease and map district referral patterns. Thirty percent of operative procedures performed were assessed as district-level operations. Potentially correctable deficits identified within the tertiary center were lengthy delays to emergency surgery and non-optimal theatre utilisation periods. PMID- 29227055 TI - Does the reporting of gastro-intestinal endoscopy meet the minimal terminology standard at King Edward VIII Hospital? AB - BACKGROUND: The Minimal Standard Terminology (MST) was developed to standardise endoscopic reporting. This study is aimed at assessing current reporting at a tertiary hospital and whether it meets this Minimal Standard Terminology. METHOD: This was a retrospective observational study of upper endoscopy reports between January and December 2014. The data extracted were compared to the current reporting standard listed in the MST. To assess and grade the quality of reporting we developed a Gastrointestinal Reporting Score, which incorporates MST variables in addition to demographic details, indication for endoscopy, report legibility, sedation and the use of classification systems to describe pathology. Variables were classified as blank, partially complete or complete and assigned a score of 1-3. The reports were graded according to their overall score for all variables (Max 40) into Grade A (> 36), B (28-36) and C (< 28). RESULTS: There were 100 patients of which 58 were female. Thirty-seven per cent were from the 60 75 year age group. Fiftyfour endoscopies were performed by trainee specialists. Junior and senior consultants performed 36 and 9 upper endoscopies respectively. Indications for upper endoscopy were stated in 51 reports. The use of pre procedural sedation was not stated in 51 reports. Four reports were illegible; one was conducted by a junior consultant, two by a fourth year trainee specialist and one by an unknown endoscopist whose name was illegible. Common classification systems for oesophagitis, gastropathy features, ulcer characteristics, and ulcer location are not routinely used. Based on the Gastrointestinal Reporting Score there were no Grade A reports, 16 Grade B and 84 Grade C reports. CONCLUSION: The MST is not routinely utilised in our setting and reports are incomplete. There is a need for optimal upper endoscopic reporting, incorporating the MST guidelines. PMID- 29227056 TI - The value of supplementary anatomy workshops for improving undergraduate performance. AB - BACKGROUND: With many anatomy courses within the medical curriculum suffering reductions in lecture and dissection time, supplementary programs in anatomy have shown to improve performance of medical students. This study was conducted to evaluate the efficacy of anatomy workshops on undergraduate anatomy grade performance. METHOD: From 2012 to 2014, mean anatomy and physiology scores of medical students who attended anatomy workshops were compared to those who did not attend. Furthermore, mean scores in anatomy were also compared between students who attended one workshop to those who attended multiple workshops. Data analyses included comparing mean test scores using Student's t-test for normally distributed data. RESULTS: A total of 55 medical students were included in this study. Significant differences in both anatomy (p < 0.0001) and physiology (p = 0.0113) scores were found between medical students who attended the anatomy workshops versus those who did not. Similarly, medical students who attended multiple workshops, compared to those that attended a single workshop, obtained significantly higher anatomy grade performance (p = 0.0043). CONCLUSION: The results of this study are supported by comparable studies that have shown similar improvements in grade performance. In a time where reduced undergraduate medical teaching time is prevalent, supplementary education in the basic sciences, with an emphasis on anatomy, may prove a successful adjunct to the medical curriculum. PMID- 29227057 TI - [Inferior ST elevation: beyond myocardial infarction]. PMID- 29227062 TI - Epidemiology and Clinical Research for Chronic Kidney Disease. PMID- 29227063 TI - Interaction between Viral Proteins and Mitochondria. AB - Recent advances reveal that mitochondria are not limited to functioning only as the cellularpowerhouse and in apoptosis, but that they act as central hubs for multiple signal transductions.Studies over the last decade indicate that mitochondria in vertebrates are involved in the front line ofhost defense, especially against RNA viruses. Mitochondrial-mediated antiviral innate immunitydepends on activation of the retinoic acid-inducible gene I (RIG-I)-like receptors signal transductionpathway, and the mitochondrial surface acts as a platform for the assembly of signaling molecules,including mitochondrial antiviral signaling (MAVS) during the process. Some viral encoded proteinstarget to the mitochondria post-infection, however, thereby evading the cellular immune response.Here we review specific interactions between mitochondria and viral proteins and discuss theirphysiologic effects on the host cells. PMID- 29227064 TI - A case of Basaloid Follicular Hamartoma. AB - We here describe a case of solitary basaloid follicular hamartoma (BFH) : the case developing incompany with senile lentigo on the nose. BFH is a relatively rare benign follicular neoplasm ofundetermined etiology. Histologically, the specimen consisted of small-sized squamoid or basaloid cellsand follicular germ like cells in the periphery of the tumor nests. There were no infundibular cysts.BFH should be differentiated from infundibulocystic basal cell carcinoma (BCC), which consists ofsquamoid or basaloid cells in company with infundibular cysts, tumor of follicular infundibulum ortrichoepithelioma. We analyzed the immunohistochemical findings of the case in comparison withthose of BCC and trichoepithelioma. An immunohistochemical examination revealed 1) that Bcl-2 andCD10 was preferentially expressed in the outermost cells in the tumor nests consisting of folliculargerm-like cells, 2) that most of the tumor cells, especially germ-like cells, were strongly positive forBer-EP4, and 3) that peritumoral stroma was positive for CD34. The immunohistochemical findings ofour cases supported that BFH should be differentiated from BCC, a common malignant neoplasm. PMID- 29227065 TI - Theoretical Models of Vascular Pattern Formation. AB - Pattern formation of vascular structure has been extensively studied in vascular biology. Classicallythe pattern formation process falls into three categories vasculogenesis, angiogenesis and remodeling.Mathematical modeling study of these phenomena has been done byrelatively independent ofexperimental works by applied mathematicians, and not well understood by experimental biologists. Inthis review I provide intuitive explanations of proposed theoretical models and recent advance inmodelling study of vascular development. PMID- 29227066 TI - Anatomical Comparison between Rodent and Avian Circuits for Vocal Communication. PMID- 29227067 TI - Role of Natural Killer T Cells in Cardiac Remodeling and Failure and the Development of Novel Therapeutic Strategy. AB - Chronic inflammation in the myocardium is involved in the development of left ventricular (LV)remodeling and failure after myocardial infarction (MI). Invariant natural killer T (iNKT) cells havebeen shown to produce inflammatory cytokines and orchestrate tissue inflammation. However, noprevious studies have determined the pathophysiological role of iNKT cells in post-MI LV remodeling.We thus examined whether the activation of iNKT cells might affect the development of LVremodeling and failure. After creation of MI, mice received the injection of either a-galactosylceramide(aGC), the activator of iNKT cells, or phosphate buffered saline 1 and 4 days after surgery, andwere followed during 28 days. Survival rate was significantly higher in MI +aGC than MI + PBS. LVcavity dilatation and dysfunction were significantly attenuated inMI +aGC, despite comparable infarctsize, accompanied by a decrease in myocyte hypertrophy, interstitial fibrosis, and apoptosis. Theinfiltration of iNKT cells were increased during early phase in noninfarcted LV from MI and aGCfurther enhanced them. It also enhanced LV interleukin (IL)-10 gene expression at 7 days, whichpersisted until 28 days. AntiIL-10 receptor antibody abrogated these protective effects of aGC on MIremodeling. The administration of aGC into iNKT cell-deficient Ja18(-/-) mice had no such effects,suggesting that aGC was a specific activator of iNKT cells. iNKT cells play a protective role againstpost MI LV remodeling and failure through the enhanced expression of cardioprotective cytokinessuch as IL-10. PMID- 29227068 TI - Portal Vein Thrombosis Repeatedly Observed in a Cirrhotic Patient with Antiphospholipid Antibody Syndrome. AB - Background: Although portal vein thrombosis in cirrhotic patients is frequently observed, thedetailed process remains to be clarified, and the role of anticardiolipin antibody in the development ofportal vein thrombosis has been controversial. Case Report: A 52-year-old man, who had been diagnosed with alcoholic cirrhosis of the liver, wasadmitted to our hospital suffering from dyspnea and ascites. Just after being diagnosed as havingantiphospholipid antibody syndrome with lung thrombosis and delivering a positive result for the beta2-glycoprotein I-dependent anticardiolipin antibody, he sustained rupture of the esophageal variceswith rapid development of portal vein thrombosis, which resolved under anticoagulant therapy. Twoyears later, he was admitted again on suspicion of thrombosis because of an elevation in the serumD-dimer level, and computed tomography showed portal and upper mesenteric vein thrombosis.Although immediate anticoagulant therapy resulted in complete recanalization, he suffered the sameepisode 2 months later, which occurred with re-elevation of the serum D dimer level. Conclusion: A positive finding of an anticardiolipin antibody in cirrhotic patients has been consideredto be nonspecific and not related to the development of thrombus in the portal vein. This case,however, seems to indicate that cirrhotic patients with the beta2-glycoprotein I-dependentanticardiolipin antibody should be regarded as being at high risk for portal vein thrombosis. Monitoringwith the serum D-dimer was useful in detecting portal vein thrombosis in its early stage. PMID- 29227069 TI - Molecular Mechanism of Lifestyle-related Diseases : See Both the Wood and Trees! AB - Energy homeostasis is maintained locally through parenchymal-stromal cell interaction and systemically through metabolic organ network. In obese adipose tissue, saturated fatty acids, which are released as a danger signal from hypertrophied adipocytes, stimulates a pathogen sensor TLR4 in the infiltrating macrophages, thus establishing a vicious cycle between adipocytes and macrophages to stimulate adipose tissue inflammation. Histologically, macrophages aggregate to constitute crown-like structures (CLS), where they are thought to scavenge the residual lipid droplets of dead adipocytes. Free fatty acids, when released from obese visceral fat depots, are transported in large quantities to the liver via the portal vein, where they are accumulated as ectopic fat, thus developing non alcoholic fatty liver disease (NAFLD). There is a unique histological feature termed/hepatic CLS (hCLS)oin the non-alcoholic steatohepatitis (NASH) liver, where macrophages aggregate to surround dead hepatocytes with large lipid droplets. Notably, the number of hCLS is positively correlated with the extent of liver fibrosis. Our data suggest that hCLS serves as an origin of hepatic inflammation and fibrosis during the progression from simple steatosis to NASH. Sodium glucose cotransporter 2 (SGLT2) inhibitors, an oral antidiabetic drug, promotes the urinaryexcretion of glucose by blocking its reabsorption in renal proximal tubules. Inhibition of SGLT2 lowers is expected to reduce body weight because of urinary calorie loss. Interestingly, SGLT2 inhibitionimproves hepatic steatosis in obese mice irrespective of body weight reduction. There is an inverse correlation between liver weight and adipose tissue weight in obese mice with SGLT2 inhibition, suggesting that SGLT2 inhibition induces the/healthyoadipose tissue expansion and prevents ectopic fat accumulation in the liver. Our data suggest that seeing both the wood and trees is Required to understand the molecular mechanism of lifestyle-related diseases. PMID- 29227070 TI - Immunohistological Localization of Peroxisome Proliferator-Activated Receptor alpha and gamma in Human Sebaceous Glands. AB - The immunohistological localization of peroxisome proliferator-activated receptor a (PPARa) and PPAR g was examined in 28 pilosebaceous units in 10 paraffin embedded normal human skin specimens. Rabbit polyclonal antibody against human PPARa and monoclonal antibody against human PPARg were used as specific primary antibodies. The nuclear and cytoplasmic expression of PPARa was detected in basal to differentiated sebocytes. In contrast, the expression of PPARg was confined to nuclei of suprabasal to early-differentiated sebocytes. The nuclear PPARg expression was present only occasionally in the basal sebocytes. These results suggest that PPARa and PPARg are integral parts of sebocyte differentiation in human sebaceous glands. PMID- 29227071 TI - Natural Immunity and Ocular Inflammation. AB - We have focused on the role of innate immunity during the formation ofochoroidal neovascularization(CNV) -related diseasesu. Inflammation affects the formation and the progression of variousvitreoretinal diseases. We performed a comprehensive analysis of inflammatory immune mediators inthe vitreous fluids with diabetic macular edema, proliferative diabetic retinopathy, branch retinal veinocclusion, central retinal vein occlusion and rhegmatogenous retinal detachment. The concentrationsof 20 soluble factors (nine cytokines, six chemokines, and five growth factors) were measuredsimultaneously by multiplex bead analysis system. Out of 20 soluble factors, three factors :interleukin-6 (IL 6), interleukin-8 (IL-8), and monocyte chemoattractant protein-1 (MCP-1) weresignificantly elevated in all groups of vitreoretinal diseases compared with control group. According tothe correlation analysis in the individual patient's level, these three factors that were simultaneouslyincreased, did not show any independent upregulation in all the examined diseases.We also elucidated the role of natural killer (NK)T cells, which restricted CD1 molecule andparticipate in the innate immune response, in laser-induced experimental CNV. We examined CNVformation in independent two NKT cell-deficient mice, either CD1 knockout (KO) mice or Ja18 KOmice, and found that both KO mice showed significant reduction of experimental CNV.During the clinical process of CNV-related diseases, not only CNV formation, subretinal scaring isthought to be another important step. We thus established the experimental model of subretinalscaring by injecting peritoneal exudating macrophages into subretinal space. Subretinal fibrous tissuewas observed by fundus scope in PEC-inoculated mice after seven days. The tissue was consisted ofmonotonous and low cell-density area, which expressed a-SMA with collagen synthesis. BecausePEC-inoculated MCP-1 KO mice showed less amount of glial residual, not only exogenousmacrophages, but also intrinsic macrophages are critical. Activated macrophages directly inducedmyofibrotic changes in RPE cells in vitro. PMID- 29227072 TI - The Present Situation and Clinical Topics of Ventricular Assist Device and Heart Transplantation in Japan. AB - Surgical treatment for heart failure includes coronary artery bypass grafting to ischemic heartdisease, valvular disease surgery such as mitral valvuloplasty, left ventricular restoration, ventricularassist device (VAD), and heart transplantation. In addition, HeartSheet which is regenerative medicineusing autologous skeletal myoblast sheets has been started from the spring of 2016. Formal insurancereimbursement of implantable LVAD was obtained in April 2011, and the life prognosis of patientswith severe heart failure improved markedly. However, the indication for implantable LVAD is limitedto bridge use for heart transplantation. Implantable LVAD cannot be implanted in patients over 65years old under health insurance because the adaptive age of heart transplantation in Japan is under 65years old. It is a problem that the indication of implantable LVAD is identical to that of hearttransplantation. Clinical trial of destination therapy is in progress for the purpose of optimizing theimplantable LVAD indication. I strongly pray that VAD treatment including destination therapy (DT)and transplant medical treatment based on good intentions will be accepted socially as generaltreatment. PMID- 29227073 TI - The effect of amixin and agmatine on cytochrome C release from isolated mitochondria AB - Mitochondrial nicotinic acetylcholine receptors (nAChRs) control permeability transition pore formationand cytochrome c release in the presence of apoptogenic factors. This study demonstrates that pharmacologicalagents amixin and agmatine affect mitochondrial nAChR functioning: they slightly suppresscytochrome c release from mouse brain and liver mitochondria stimulated with apoptogenic dose of Sa2+ andprevent the effect of alpha7 nAChR agonist PNU282987. We conclude that mitochondria may be one of therapeutictargets of amixin and agmatine. PMID- 29227074 TI - Hypoxic regulation of the expression of cell proliferation related genes in U87 glioma cells upon inhibition of ire1 signaling enzyme AB - We have studied the effect of inhibition of IRE1 (inositol requiring enzyme 1), which is a centralmediator of endoplasmic reticulum stress and a controller of cell proliferation and tumor growth, on hypoxicregulation of the expression of different proliferation related genes in U87 glioma cells. It was shown thathypoxia leads to up-regulation of the expression of IL13RA2, CD24, ING1, ING2, ENDOG, and POLG genesand to down-regulation - of KRT18, TRAPPC3, TSFM, and MTIF2 genes at the mRNA level in control gliomacells. Changes for ING1 and CD24 genes were more significant. At the same time, inhibition of IRE1 modifiesthe effect of hypoxia on the expression of all studied genes. In particular, it increases sensitivity to hypoxiaof the expression of IL13RA2, TRAPPC3, ENDOG, and PLOG genes and suppresses the effect of hypoxia onthe expression of ING1 gene. Additionally, it eliminates hypoxic regulation of KRT18, CD24, ING2, TSFM,and MTIF2 genes expressions and introduces sensitivity to hypoxia of the expression of BET1 gene in gliomacells. The present study demonstrates that hypoxia, which often contributes to tumor growth, affects theexpression of almost all studied genes. Additionally, inhibition of IRE1 can both enhance and suppress thehypoxic regulation of these gene expressions in a gene specific manner and thus possibly contributes to slowerglioma growth, but several aspects of this regulation must be further clarified. PMID- 29227075 TI - Multiple parametric approaches to assess acute radiation lung injury of rats radiation lung injury of rats. AB - The effect of whole body gamma irradiation (WBI) in single fraction was studied, as well as its influenceon the secretion of various biochemical markers and cellular component that could be used as acute radiationlung injury marker. Sprague dawley rats were treated with WBI (60Co) of radiation dose from 1 Gy to 5 Gy(dose rate - 0.95 Gy/min). Bronchoalveolar lavage fluid was retrieved from all animals in control and radiationtreated groups up to 72 h post radiation. Bronchoalveolar lavage fluid (BALF) was analyzed for lactatedehydrogenase (LDH ), acid phosphatase (AP ), alkaline phosphatase (ALP ), cell count and total protein. Intragroupand intergroup comparison of BALF parameters at different radiation doses showed significant difference.LDH was significantly increased as the dose increased from 1Gy to 5Gy (P = 0.00) after 2 h with effectsize of difference (r > 0.3). ALP was significantly altered after 3Gy and 4Gy (P < 0.05). AP was significantlyaltered at 2Gy-5Gy (p < 0.05). Total protein level changed significantly from 1Gy to 5Gy (P < 0.00). Cellularcontent of BALF showed significant changes after radiation exposure. BALF parameters like LDH, AP, ALP,neutrophils, lymphocytes, total leukocyte count and total protein were sensitive to radiation exposure andtheir levels vary significantly up to 72 h after single whole body radiation exposure in Sprague dawley rats.It can be concluded that the biochemical indices in BALF have more wide application in evaluation of acuteradiation induced lung injury. PMID- 29227076 TI - Evaluation of functioning of mitochondrial electron transport chain with NADH and FAD autofluorescence AB - We prove the feasibility of evaluation of mitochondrial electron transport chain function in isolatedmitochondria of smooth muscle cells of rats from uterus using fluorescence of NADH and FAD coenzymes.We found the inversely directed changes in FAD and NADH fluorescence intensity under normal functioningof mitochondrial electron transport chain. The targeted effect of inhibitors of complex I, III and IV changedfluorescence of adenine nucleotides. Rotenone (5 MUM) induced rapid increase in NADH fluorescence dueto inhibition of complex I, without changing in dynamics of FAD fluorescence increase. Antimycin A, acomplex III inhibitor, in concentration of 1 MUg/ml caused sharp increase in NADH fluorescence and moderateincrease in FAD fluorescence in comparison to control. NaN3 (5 mM), a complex IV inhibitor, and CCCP(10 MUM), a protonophore, caused decrease in NADH and FAD fluorescence. Moreover, all the inhibitorscaused mitochondria swelling. NO donors, e.g. 0.1 mM sodium nitroprusside and sodium nitrite similarlyto the effects of sodium azide. Energy-dependent Ca2+ accumulation in mitochondrial matrix (in presenceof oxidation substrates and Mg-ATP2- complex) is associated with pronounced drop in NADH and FADfluorescence followed by increased fluorescence of adenine nucleotides, which may be primarily due to Ca2+-dependent activation of dehydrogenases of citric acid cycle. Therefore, the fluorescent signal of FAD andNADH indicates changes in oxidation state of these nucleotides in isolated mitochondria, which may be usedto assay the potential of effectors of electron transport chain. PMID- 29227078 TI - Overtime 'Parking' Must Be Addressed. PMID- 29227077 TI - Modulation of cisplatin-induced reactive oxygen species production by fullerene C(60) in normal and transformed lymphoid cells AB - The early response of normal (Wistar rat thymocytes) and transformed (mice lymphoid leukemiaL1210) cells to treatment with anticancer drug cisplatin or to combined treatment with cisplatin and carbonnanostructure fullerene C60 was studied. We demonstrated with fluorescent probes DCFH-DA and TMRE thatcisplatin at concentration 1 MUg/ml induced reactive oxygen species (ROS) production and decreased the valueof mitochondrial membrane potential in both cell types. The combined treatment with cisplatin (1 MUg/ml) andfullerene C60 (7.2 MUg/ml) was shown to be followed by oppositely directed modulation of ROS production inthymocytes and L1210 cells. Cisplatin-induced ROS production was intensified in L1210 cells, while in thymocytesit was decreased. It is supposed that the different effects of combined treatment are associated withpeculiarities of fullerene C60 accumulation and localization in normal and cancer cells. PMID- 29227080 TI - Big Data, The Law and You: Embracing data can reduce potential liability. PMID- 29227079 TI - Biochemical indicators of nephrotoxicity in blood serum of rats treated with novel 4-thiazolidinone derivatives or their complexes with polyethylene glycol containing nanoscale polymeric carrier AB - The aim of this study was to compare the effect of new synthetic 4-thiazolidinone derivatives (potentialanticancer compounds denoted as 3882, 3288 and 3833) and doxorubicin (positive control) in free form and intheir complexes with synthetic polyethylene glycol-containing nanoscale polymeric carrier on the biochemicalindicators of nephrotoxicity in blood serum of rats. The concentration of total protein, urea, creatinine,glucose, ions of sodium, potassium, calcium, iron and chloride was measured. It was found that after injectionof the investigated compounds, the concentration of sodium cations and chloride anions in blood serum wasincreased compared with control (untreated animals). Doxorubicin's injection was accompanied by a decreasein the concentration of iron cations. The concentration of total protein, urea and creatinine decreased underthe influence of the studied compounds. Complexation of these antineoplastic substances with a syntheticpolymeric nanocarrier lowered the concentration of the investigated metabolites substantially compared tothe effect of these compounds in free form. The normalization of concentration of total protein, urea andcreatinine in blood serum of rats treated with complexes of the studied compounds with the polymeric carriercomparing with increased concentration of these indicators at the introduction of such compounds in freeform was found. PMID- 29227081 TI - Prx II and CKBB proteins interaction under physiologic al and thermal stress conditions in A549 and HeLa cells. AB - Peroxiredoxins (Prxs) are versatile enzymes that demonstrate various cell functions as peroxidases,protein chaperones, functions of signal modulators and binding partners. It is well established that Prxs caninteract with multiple proteins in cells, such as ASK1, Cdk5-p35, JNK, MIF, PDGF, TK R4 and others. In thisstudy, we attempted to evaluate a possible association between ubiquitous Prx II and ATP/ADP bufferingenzyme - brain-type creatine kinase (CK BB). Our co immunoprecipitation (Co-IP) results from the A549and HeLa cell lysates with overexpressed HA-Prx II and Flag-CK BB have demonstrated strong associationbetween two proteins under non-stressed conditions. This protein interaction was enhanced by the heat treatmentwith further HA-Prx II precipitation to the immobilized Flag-CK BB depending on the temperature increase.Temperature induced oligomerization of Prx II may contribute to the formation of Prx II conglomerates,which in turn, can associate with CK BB and increase signal intensities on the blotted membranes. Thus,such association and oligomerization of Prx II could take part in recovery and protection of the CK BB enzymeactivity from inactivation during heat-induced stress. PMID- 29227082 TI - Chitotriosidase activity as additional biomarker in the diagnosis of lysosomal storage diseases. AB - To date, several genetic variants that lead to a deficiency of chitotriosidase activity have beendescribed. The duplication of 24 bp (dup24bp) in exon 10 of the CHIT1 gene, which causes a complete loss ofenzymatic activity of the gene product, is the most common among the European population. The aim of thestudy was to evaluate the possibility of using chitotriosidase activity as an additional biomarker in diagnosisof lysosomal storage diseases (LSDs) in Ukraine, to determine this parameter in blood plasma of the patientswith various lysosomal diseases and to assess the effect of the presence of dup24bp in the CHIT1 gene onthis parameter. It has been shown that chitotriosidase activity in blood plasma is a convenient additionalbiochemical marker in the diagnosis of some LSDs, namely Gaucher disease, Niemann-Pick disease A, B, Cand GM1-gangliosidosis. Reference ranges of the normal chitotriosidase activity were determined in bloodplasma of Ukrainian population and found to be 8.0-53.1 nmol 4 methylumbelliferone/h.ml of plasma. Thetotal allele frequency of the dup24bp in the CHIT1 gene in Ukrainian population was determined, whichamounted to 0.26 (323/1244) that is higher than in European population. It was indicated that moleculargeneticscreening of dup24bp in the CHIT1 gene is a necessary stage in a protocol for the laboratory diagnosisof Gaucher disease, Niemann-Pick disease A, B, C as well as GM1-gangliosidosis to avoid incorrect diagnosis. PMID- 29227083 TI - All of the Stuff: Avoid drowning in the sea of diagnostic tools. PMID- 29227084 TI - Amine oxidases as important agents of pathological processes of rhabdomyolysis in rats. AB - In this study we have tested an idea on the important role of amine oxidases (semicarbazide-sensitiveamine oxidase, diamine oxidase, polyamine oxidase) as an additional source of oxidative/carbonyl stressunder glycerol-induced rhabdomyolysis, since the enhanced formation of reactive oxygen species and reactivecarbonyl species in a variety of tissues is linked to various diseases. In our experiments we used the sensitivefluorescent method devised for estimation of amine oxidases activity in the rat kidney and thymus as targetedorgans under rhabdomyolysis. We have found in vivo the multiple rises in activity of semicarbazide-sensitiveamine oxidase, diamine oxidase, polyamine oxidase (2-4.5 times) in the corresponding cell fractions, wholecells or their lysates at the 3 6th day after glycerol injection. Aberrant antioxidant activities depended onrhabdomyolysis stage and had organ specificity. Additional treatment of animals with metal chelator 'Unithiol'adjusted only the activity of antioxidant enzymes but not amine oxidases in both organs. Furthermore the invitro experiment showed that Fenton reaction (hydrogen peroxide in the presence of iron) products alone hadno effect on semicarbazide-sensitive amine oxidase activity in rat liver cell fraction whereas supplementationwith methylglyoxal resulted in its significant 2.5-fold enhancement. Combined action of the both agents hadadditive effect on semicarbazide-sensitive amine oxidase activity. We can assume that biogenic amine andpolyamine catabolism by amine oxidases is upregulated by oxidative and carbonyl stress factors directlyunder rhabdomyolysis progression, and the increase in catabolic products concentration contributes to tissuedamage in glycerol-induced acute renal failure and apoptosis stimulation in thymus. PMID- 29227085 TI - Photoinduced Bandgap Renormalization and Exciton Binding Energy Reduction in WS2. AB - Strong Coulomb attraction in monolayer transition metal dichalcogenides gives rise to tightly bound excitons and many-body interactions that dominate their optoelectronic properties. However, this Coulomb interaction can be screened through control of the surrounding dielectric environment as well as through applied voltage, which provides a potential means of tuning the bandgap, exciton binding energy, and emission wavelength. Here, we directly show that the bandgap and exciton binding energy can be optically tuned by means of the intensity of the incident light. Using transient absorption spectroscopy, we identify a sub picosecond decay component in the excited-state dynamics of WS2 that emerges for incident photon energies above the A-exciton resonance, which originates from a nonequilibrium population of charge carriers that form excitons as they cool. The generation of this charge-carrier population exhibits two distinct energy thresholds. The higher threshold is coincident with the onset of continuum states and therefore provides a direct optical means of determining both the bandgap and exciton binding energy. Using this technique, we observe a reduction in the exciton binding energy from 310 +/- 30 to 220 +/- 20 meV as the excitation density is increased from 3 * 1011 to 1.2 * 1012 photons/cm2. This reduction is due to dynamic dipolar screening of Coulomb interactions by excitons, which is the underlying physical process that initiates bandgap renormalization and leads to the insulator-metal transition in monolayer transition metal dichalcogenides. PMID- 29227086 TI - Chemical Foaming Coupled Self-Etching: A Multiscale Processing Strategy for Ultrahigh-Surface-Area Carbon Aerogels. AB - Due to the unique structure, carbon aerogels have always shown great potential for multifunctional applications. At present, it is highly desirable but remains challenging to tailor the microstructures with respect to porosity and specific surface area to further expand its significance. A facile chemical foaming coupled self-etching strategy is developed for multiscale processing of carbon aerogels. The strategy is directly realized via the pyrolysis of a multifunctional precursor (pentaerythritol melamine phosphate) without any special drying process and multiple steps. In the micrometer scale, the macroporous scaffold structures with interconnected and strutted carbon nanosheets are built up by chemical foaming from decomposition of melamine, whereas the meso/microporous nanosheets are formed via self-etching by phosphorus containing species. The delicately hierarchical structures and record-breaking specific surface area of 2668.4 m2 g-1 render the obtained carbon aerogels great potentials for absorption (324.1-593.6 g g-1 of absorption capacities for varied organic solvents) and energy storage (338 F g-1 of specific capacitance). The construction of such novel carbon nanoarchitecture will also shed light on the design and synthesis of multifunctional materials. PMID- 29227088 TI - Host-Guest Interaction Creates Hydrogen-Evolution Electrocatalytic Active Sites in 3d Transition Metal-Intercalated Titanates. AB - The hydrogen evolution reaction (HER) is involved in energy-intensive water- and chlor-alkali electrolyzers, and thus, highly active and stable HER electrocatalysts in alkaline media are needed. Titanates, a family of representative two-dimensional materials with negatively charged main layers, are chemically and structurally stable under strongly basic conditions, but they have never been shown to have electrocatalytic activity for HER. Herein, we report that intercalating 3d metal cations, including Fe3+, Co2+, Ni2+, and Cu2+ ions, into the interlayer regions of titanates yields efficient and robust electrocatalysts for the alkaline HER. The intercalation of 3d metal cations in titanates is achieved by rapid cation-exchange reaction between Na+-containing titanates and 3d metal cations at room temperature. Among the 3d metal intercalated titanates we synthesize, the Co2+-containing material is found to show the best electrocatalytic activity. Experimental and theoretical results reveal that the strong electronic interaction between 3d metal cations and negatively charged main [TiO6]infinity layers renders good catalytic activity to the outermost oxygen atoms in the [TiO6]infinity layer, further making 3d metal intercalated titanate an efficient electrocatalyst for the HER. PMID- 29227087 TI - New Application of Neomycin B-Bisbenzimidazole Hybrids as Antifungal Agents. AB - Alkylated aminoglycosides and bisbenzimidazoles have previously been shown to individually display antifungal activity. Herein, we explore for the first time the antifungal activity (in liquid cultures and in biofilms) of ten alkylated aminoglycosides covalently linked to either mono- or bisbenzimidazoles. We also investigate their toxicity against mammalian cells, their hemolytic activity, and their potential mechanism(s) of action (inhibition of fungal ergosterol biosynthetic pathway and/or reactive oxygen species (ROS) production). Overall, many of our hybrids exhibited broad-spectrum antifungal activity. We also found them to be less cytotoxic to mammalian cells and less hemolytic than the FDA approved antifungal agents amphotericin B and voriconazole, respectively. Finally, we show with our best derivative (8) that the mechanism of action of our compounds is not the inhibition of ergosterol biosynthesis, but that it involves ROS production in yeast cells. PMID- 29227089 TI - Expanding the Bioactive Chemical Space of Anthrabenzoxocinones through Engineering the Highly Promiscuous Biosynthetic Modification Steps. AB - Anthrabenzoxocinones (ABXs) including (-)-ABXs and (+)-ABXs are a group of bacterial FabF-specific inhibitors with potent antimicrobial activity of resistant strains. Optimization of their chemical structures is a promising method to develop potent antibiotics. Through biosynthetic investigation, we herein identified and characterized two highly promiscuous enzymes involved in the (-)-ABX structural modification. The promiscuous halogenase and methyltransferase can respectively introduce halogen-modifications into various positions of the ABX scaffolds and methylation to highly diverse substrates. Manipulation of their activity in both of the (-)-ABXs and (+)-ABXs biosyntheses led to the generation of 14 novel ABX analogues of both enantiomers. Bioactivity assessment revealed that a few of the analogues showed significantly improved antimicrobial activity, with the C3-hydroxyl and chlorine substitutions critical for their activity. This study enormously expands the bioactive chemical space of the ABX family and FabF-specific inhibitors. The disclosed broad-selective biosynthetic machineries and structure-activity relationship provide a solid basis for further generation of potent antimicrobial agents. PMID- 29227090 TI - Electrochemical Sensing of Hydrogen Peroxide Using Block Copolymer Templated Iron Oxide Nanopatterns. AB - A new enzyme-free sensor based on iron oxide (Fe3O4) nanodots fabricated on an indium tin oxide (ITO) substrate via a block copolymer template was developed for highly sensitive and selective detection of hydrogen peroxide (H2O2). The self assembly-based process described here for Fe3O4 formation is a simple, cost effective, and reproducible process. The H2O2 response of the fabricated electrodes was linear from 2.5 * 10-3 to 6.5 mM with a sensitivity of 191.6 MUA mM-1cm-2 and a detection limit of 1.1 * 10-3 mM. The electrocatalytic activity of Fe3O4 nanodots toward the electroreduction of H2O2 was described by cyclic voltammetric and amperometric techniques. The sensor described here has a strong anti-interference ability to a variety of common biological and inorganic substances. PMID- 29227091 TI - Vacuum-Ultraviolet-Excited and CH2Cl2/H2O-Amplified Ionization-Coupled Mass Spectrometry for Oxygenated Organics Analysis. AB - The mass spectrometry analysis of oxygenated volatile organic compounds (OVOCs) remains challenging due to their limited ionization efficiencies. In this study, we surprisingly found that, under vacuum-UV (VUV) excitation, a gaseous mixture of CH2Cl2/H2O/analyte (OVOCs) in N2 buffer generated large amounts of H3O+ and protonated analyte even when the photon energy was lower than the ionization energy of the neutral species involved. In contrast to those obtained with VUV photoionization alone, the signal intensities of oxygenated organics can be amplified by more than 3 orders of magnitude. The isotope tracing experiment revealed that the proton donor is water, and the dependence of the signal intensities on the VUV photon intensities verified that the reaction was a single photon process. The observed ionization process is assigned as an undocumented chemi-ionization reaction in which a complex formed from the ion-pair state CH2Cl2*, H2O, and analyte and then autoionized to produce the protonated analyte with the aid of the reorganization energy released from the formation of CH2O and HCl. Essentially, here we present an efficient chemi-ionization method for the direct protonation of oxygenated organics. By the method, the mass spectrometric sensitivities toward acetic acid, ethanol, aldehyde, diethyl ether, and acetone were determined to be 224 +/- 17, 245 +/- 5, 477 +/- 14, 679 +/- 11, and 684 +/- 6 counts pptv-1, respectively, in 10 s acquisition time. In addition, the present ionization process provides a new method for the generation of a high-intensity H3O+ source (~1011 ions s-1, measured by ion current) by which general organics can be indirectly protonated via a conventional proton-transfer reaction. These results open new aspects of chemi-ionization reactions and offer new technological applications that have the potential to greatly improve mass spectrometry sensitivity for detecting trace gaseous organics. PMID- 29227092 TI - Sandwich-Type Electrochemiluminescence Sensor for Detection of NT-proBNP by Using High Efficiency Quench Strategy of Fe3O4@PDA toward Ru(bpy)32+ Coordinated with Silver Oxalate. AB - Heart failure (HF) is a burgeoning public health problem trigged by a heart circulation disorder. N-terminal pro-B-type natriuretic peptide (NT-proBNP) has been acknowledged as a prognostic biomarker for cardiac disease. Herein, a sandwich-type electrochemiluminescence (ECL) immunosensor was introduced for sensitive detection of NT-proBNP. Gold nanoparticle modified graphene oxide Ru(bpy)32+/Ag2C2O4 was used as a luminophore and a desirable platform for immobilization of the captured antibodies. The more stable immobilization of plentiful Ru(bpy)32+ could be implemented by direct covalent bonding chelation with Ag2C2O4. More importantly, significant quenching can be achieved by introducing polydopamine (PDA) coated Fe3O4 onto the electrode via sandwich immunoreactions. The quenching mechanism mainly showed that the excited states of Ru(bpy)32+ could be annihilated by quinone units in PDA via energy transfer. The ECL quenching efficiency was logarithmically related to the concentration of the NT-proBNP in the range from 0.0005 ng/mL to 100.0 ng/mL with a detection limit of 0.28 pg/mL. Furthermore, this specific immunosensor presented good stability and repeatability as well as selectivity, which offers a guiding significance in both fundamental and clinical diagnosis of NT-proBNP. PMID- 29227093 TI - Modeling Spin Interactions in a Triangular Cobalt(II) Complex with Triaminoguanidine Ligand Framework: Synthesis, Structure, and Magnetic Properties. AB - The new tritopic triaminoguanidine-based ligand 1,2,3-tris[(pyridine-2 ylmethylidene)amino]guanidine (H2pytag) was synthesized. The reaction of a mixture of cobalt(II) chloride and cobalt(II) perchlorate with the ligand H2pytag in pyridine solution leads to the formation of the trinuclear cobalt(II) complex [Co3(pytag)(py)6Cl3]ClO4. Three octahedrally coordinated high-spin cobalt(II) ions are linked through the bridging triaminoguanidine backbone of the ligand leading to an almost equilateral triangular arrangement. The magnetic properties of the complex were investigated by magnetic measurements, variable-temperature, variable-field magnetic circular dichroism (MCD) spectroscopy, and density functional theory as well as ab initio calculations. A rather strong antiferromagnetic exchange interaction between the cobalt(II) centers of ca. -12 cm-1 is determined together with a strong local anisotropy. The single-ion anisotropy of all three cobalt(II) centers is found to be easy-plane, which coincides with the tritopic ligand plane. MCD measurements and theoretical investigations demonstrate the presence of rhombic distortion of the local Co surrounding. PMID- 29227094 TI - Synthesis and Electronic Properties of Fluoreno[2,1-a]fluorenedione and Fluoreno[1,2-a]fluorenedione. AB - The [2,1-a]- and [1,2-a]-isomers of fluorenofluorenedione have been synthesized via intramolecular Friedel-Crafts acylations. DFT calculations indicate that the [1,2-a]-isomer adopts a twisted, helical C2-symmetric structure and that its protonated form is the thermodynamic product of the Friedel-Crafts acylation in hot sulfuric acid. Absorption spectroscopy and cyclic voltammetry measurements provide experimental estimations of frontier molecular orbital energy levels, which are reported and discussed. PMID- 29227095 TI - Four-Component Catalytic Machinery: Reversible Three-State Control of Organocatalysis by Walking Back and Forth on a Track. AB - A three-component supramolecular walker system is presented where a two-footed ligand (biped) walks back and forth on a tetrahedral 3D track upon the addition and removal of copper(I) ions, respectively. The addition of N-methylpyrrolidine as a catalyst to the walker system generates a four-component catalytic machinery, which acts as a three-state switchable catalytic ensemble in the presence of substrates for a conjugate addition. The copper(I)-ion-initiated walking process of the biped ligand on the track regulates the catalytic activity in three steps: ON versus intON (intermediate ON) versus OFF. To establish the operation of the four-component catalytic machinery in a mixture of all constituents, forward and backward cycles were performed in situ illustrating that both the walking process and catalytic action are fully reversible and reproducible. PMID- 29227096 TI - Development and Characterization of a Soybean Experimental Line Lacking the alpha' Subunit of beta-Conglycinin and G1, G2, and G4 Glycinin. AB - A soybean experimental line (BSH-3) devoid of a subset of seed storage proteins was developed by crossing a mutant donor line "HS99B" with a Chinese cultivar "Dongnong47" (DN47). One-dimensional and high-resolution 2-D gel electrophoresis revealed the absence of G1 (A1aB2), G2 (A2B1a), and G4 (A5A4B3) glycinin and the alpha' subunit of beta-conglycinin in BSH-3 seeds. Despite the lack of these abundant seed proteins, BSH-3 seeds still accumulated 38% protein. BSH-3 seeds also accumulated high levels of free amino acids as compared with DN47 seeds, particularly arginine, and the amount of several essential amino acids were significantly elevated in BSH-3 seeds. Elevated accumulation of alpha and beta subunit of beta-conglycinin, G5 glycinin, Kunitz trypsin inhibitor, and Bowman Birk protease inhibitor indicates seed proteome rebalancing in BSH-3 seeds. Immunoblot analysis using sera from soybean allergic patients demonstrated the complete lack of a major allergen (alpha' subunit of beta-conglycinin) in BSH-3 seeds. However, elevated levels of other allergens were found in BSH-3 seeds due to proteome rebalancing. Transmission electron microscopy observation of mature seeds of BSH-3 revealed striking differences in the appearance of the protein storage vacuoles when compared with DN47. PMID- 29227097 TI - Interfacial Antioxidants: A Review of Natural and Synthetic Emulsifiers and Coemulsifiers That Can Inhibit Lipid Oxidation. AB - There has been strong interest in developing effective strategies to inhibit lipid oxidation in emulsified food products due to the need to incorporate oxidatively labile bioactive lipids, such as omega-3 fatty acids, conjugated linoleic acids, or carotenoids. Emulsifiers or coemulsifiers can be utilized to inhibit lipid oxidation in emulsions. Both of these molecular types can adsorb to droplet surfaces and inhibit lipid oxidation, but emulsifiers can also stabilize droplets against aggregation whereas coemulsifiers cannot. There are a host of existing emulsifiers, covalent conjugates, or physical complexes that have the potential to inhibit lipid oxidation by a variety of mechanisms. Existing emulsifiers with antioxidant potential consist of surfactants, phospholipids, proteins, polysaccharides, and colloidal particles. Conjugates and complexes are typically formed by covalently or physically linking together a surface-active molecule with an antioxidant molecule. This article reviews the molecular and physicochemical basis for the surface and antioxidant activities of emulsifiers and coemulsifiers, highlights the important properties of interfacial layers that can be engineered to control lipid oxidation, and outlines different kinds of existing emulsifiers, conjugates, and complexes that can be used to inhibit oxidation. PMID- 29227098 TI - Energy Transfer Mechanisms and Optical Thermometry of BaMgF4:Yb3+,Er3+ Phosphor. AB - Motivated from our previous studies on the upconversion properties of BaMgF4:Yb3+,Tb3+ phosphor, here we investigated the upconversion properties of BaMgF4:Yb3+,Er3+ phosphor. We demonstrate a two-way versatile approach for the fine-tuning of emission from green to the red region, by varying the dopant concentration and adjusting the pulse width of an infrared laser. The mechanism involved in tuning the emission color by laser power and pulse width variation was illustrated in detail. The temperature dependent upconversion spectra were studied by analyzing the fluorescence intensity ratio of the thermally coupled levels. The maximum sensitivity obtained is 83.29 * 10-4 K-1 at 583 K, which is much higher than the temperature sensitivity reported for other fluoride based materials. Moreover, the influence of the excitation power density on the ability of the phosphor for temperature sensing was also investigated. We obtained a maximum (~415 K) temperature detection at 2563 mW laser power. The obtained results illustrate the potential use of BaMgF4:Yb3+,Er3+ phosphor in an optical thermometer due to its highly sensitive temperature detection ability. PMID- 29227099 TI - Activity of Icacinol from Icacina trichantha on Seedling Growth of Oryza sativa and Arabidopsis thaliana. AB - Broadleaf weeds are very costly for crop growers. Additional herbicidal compounds need to be obtained, especially from natural sources. Extracts of Icacina trichantha were evaluated for responses in germinating seeds and seedlings of rice (Oryza sativa) and Arabidopsis (Arabidopsis thaliana). An ethyl acetate fraction of I. trichantha tuber and a diterpenoid constituent, icacinol (1), were found to have impacts on germination and growth of seedlings. The seed germination inhibitory activity on rice was minimal, but significant on Arabidopsis. While rice indicated some growth delay in leaf expansion in the presence of 1, the effects appeared temporary; chlorophyll and anthocyanins were not significantly altered compared to DMSO controls. Rice seedlings attained biomass similar to DMSO controls, and rice grains per panicle were not significantly different from the DMSO controls. On the other hand, Arabidopsis exhibited damage to leaf expansion, reduced chlorophyll, and increased anthocyanins in aerial portions of the seedlings. Icacinol (1) may be a suitable chemical agent to investigate further for the treatment of eudicot weeds. PMID- 29227100 TI - Copper Complexes in the Promotion of Aldol Addition to Pyridine-2-carboxaldehyde: Synthesis of Homo- and Heteroleptic Complexes and Stereoselective Double Aldol Addition. AB - CuCl2.2H2O and Cu(ClO4)2.6H2O are able to promote aldol addition of pyridine-2 carboxaldehyde (pyca) with acetone, acetophenone, or cyclohexenone under neutral and mild conditions. The general and simple one-pot procedure for the aldol addition to Cu(II) complexes accesses novel Cu complexes with a large variety of different structural motifs, from which the aldol-addition ligand can be liberated by treatment with NH3. Neutral heteroleptic complexes in which the ligand acts as bidentate, or homoleptic cationic complexes in which the ligand acts as tridentate can be obtained depending on the copper salt used. The key step in these reactions is the coordination of pyca to copper, which increases the electrophilic character of the aldehyde, with Cu(ClO4)2 leading to a higher degree of activation than CuCl2, as predicted by DFT calculations. A regio- and stereoselective double aldol addition of pyca in the reaction of Cu(ClO4)2.6H2O with acetone leads to the formation of a dimer copper complex in which the novel double aldol addition product acts as a pentadentate ligand. A possible mechanism is discussed. The work is supported by extensive crystallographic studies. PMID- 29227101 TI - The Magic of Crystal Structure-Based Inhibitor Optimization: Development of a Butyrylcholinesterase Inhibitor with Picomolar Affinity and in Vivo Activity. AB - The enzymatic activity of butyrylcholinesterase (BChE) in the brain increases with the progression of Alzheimer's disease, thus classifying BChE as a promising drug target in advanced Alzheimer's disease. We used structure-based drug discovery approaches to develop potent, selective, and reversible human BChE inhibitors. The most potent, compound 3, had a picomolar inhibition constant versus BChE due to strong cation-pi interactions, as revealed by the solved crystal structure of its complex with human BChE. Additionally, compound 3 inhibits BChE ex vivo and is noncytotoxic. In vitro pharmacokinetic experiments show that compound 3 is highly protein bound, highly permeable, and metabolically stable. Finally, compound 3 crosses the blood-brain barrier, and it improves memory, cognitive functions, and learning abilities of mice in a scopolamine model of dementia. Compound 3 is thus a promising advanced lead compound for the development of drugs for alleviating symptoms of cholinergic hypofunction in patients with advanced Alzheimer's disease. PMID- 29227102 TI - Electronic Structure of Cobalt-Corrole-Pyridine Complexes: Noninnocent Five Coordinate Co(II) Corrole-Radical States. AB - Two sets of complexes of Co-triarylcorrole-bispyridine complexes, Co[TpXPC](py)2 and Co[Br8TpXPC](py)2 have been synthesized, where TpXPC refers to a meso tris(para-X-phenyl)corrole ligand with X = CF3, H, Me, and OMe and Br8TpXPC to the corresponding beta-octabrominated ligand. The axial pyridines in these complexes were found to be labile and, in dilute solutions in dichloromethane, the complexes dissociate almost completely to the five-coordinate monopyridine complexes. Upon addition of a small quantity of pyridine, the complexes revert back to the six-coordinate forms. These transformations are accompanied by dramatic changes in color and optical spectra. 1H NMR spectroscopy and X-ray crystallography have confirmed that the bispyridine complexes are authentic low spin Co(III) species. Strong substituent effects on the Soret maxima and broken symmetry DFT calculations, however, indicate a CoII-corrole*2- formulation for the five-coordinate Co[TpXPC](py) series. The calculations implicate a Co(dz2) corrole("a2u") orbital interaction as responsible for the metal-ligand antiferromagnetic coupling that leads to the open-shell singlet ground state of these species. Furthermore, the calculations predict two low-energy S = 1 intermediate-spin Co(III) states, a scenario that we have been able to experimentally corroborate with temperature-dependent EPR studies. Our findings add to the growing body of evidence for noninnocent electronic structures among first-row transition metal corrole derivatives. PMID- 29227103 TI - A Robust Molecular Network Motif for Period-Doubling Devices. AB - Life is sustained by a variety of cyclic processes such as cell division, muscle contraction, and neuron firing. The periodic signals powering these processes often direct a variety of other downstream systems, which operate at different time scales and must have the capacity to divide or multiply the period of the master clock. Period modulation is also an important challenge in synthetic molecular systems, where slow and fast components may have to be coordinated simultaneously by a single oscillator whose frequency is often difficult to tune. Circuits that can multiply the period of a clock signal (frequency dividers), such as binary counters and flip-flops, are commonly encountered in electronic systems, but design principles to obtain similar devices in biological systems are still unclear. We take inspiration from the architecture of electronic flip flops, and we propose to build biomolecular period-doubling networks by combining a bistable switch with negative feedback modules that preprocess the circuit inputs. We identify a network motif and we show it can be "realized" using different biomolecular components; two of the realizations we propose rely on transcriptional gene networks and one on nucleic acid strand displacement systems. We examine the capacity of each realization to perform period-doubling by studying how bistability of the motif is affected by the presence of the input; for this purpose, we employ mathematical tools from algebraic geometry that provide us with valuable insights on the input/output behavior as a function of the realization parameters. We show that transcriptional network realizations operate correctly also in a stochastic regime when processing oscillations from the repressilator, a canonical synthetic in vivo oscillator. Finally, we compare the performance of different realizations in a range of realistic parameters via numerical sensitivity analysis of the period-doubling region, computed with respect to the input period and amplitude. Our mathematical and computational analysis suggests that the motif we propose is generally robust with respect to specific implementation details: functionally equivalent circuits can be built as long as the species-interaction topology is respected. This indicates that experimental construction of the circuit is possible with a variety of components within the rapidly expanding libraries available in synthetic biology. PMID- 29227104 TI - X-ray Absorption Spectroscopy Combined with Time-Dependent Density Functional Theory Elucidates Differential Substitution Pathways of Au(I) and Au(III) with Zinc Fingers. AB - A combination of two elements' (Au, Zn) X-ray absorption spectroscopy (XAS) and time-dependent density functional theory (TD-DFT) allowed the elucidation of differential substitution pathways of Au(I) and Au(III) compounds reacting with biologically relevant zinc fingers (ZnFs). Gold L3-edge XAS probed the interaction of gold and the C-terminal Cys2HisCys finger of the HIV-1 nucleocapsid protein NCp7, and the Cys2His2 human transcription factor Sp1. The use of model compounds helped assign oxidation states and the identity of the gold-bound ligands. The computational studies accurately reproduced the experimental XAS spectra and allowed the proposition of structural models for the interaction products at early time points. The direct electrophilic attack on the ZnF by the highly thiophilic Au(I) resulted in a linear P-Au-Cys coordination sphere after zinc ejection whereas for the Sp1, loss of PEt3 results in linear Cys-Au-Cys or Cys-Au-His arrangements. Reactions with Au(III) compounds, on the other hand, showed multiple binding modes. Prompt reaction between [AuCl(dien)]2+ and [Au(dien)(DMAP)]3+ with Sp1 showed a partially reduced Au center and a final linear His-Au-His coordination. Differently, in the presence of NCp7, [AuCl(dien)]2+ readily reduces to Au(I) and changes from square-planar to linear geometry with Cys-Au-His coordination, while [Au(dien)(DMAP)]3+ initially maintains its Au(III) oxidation state and square-planar geometry and the same first coordination sphere. The latter is the first observation of a "noncovalent" interaction of a Au(III) complex with a zinc finger and confirms early hypotheses that stabilization of Au(III) occurs with N-donor ligands. Modification of the zinc coordination sphere, suggesting full or partial zinc ejection, is observed in all cases, and for [Au(dien)(DMAP)]3+ this represents a novel mechanism for nucleocapsid inactivation. The combination of XAS and TD-DFT presents the first direct experimental observation that not only compound reactivity, but also ZnF core specificity, can be modulated on the basis of the coordination sphere of Au(III) compounds. PMID- 29227105 TI - Correlation between Chemical and Physical Pressures on Charge Bistability in [Pd(en)2Br](Suc-Cn)2.H2O. AB - Hydrostatic (physical) pressure effects on the electrical resistivity of a bromido-bridged palladium compound, [Pd(en)2Br](Suc-C5)2.H2O, were studied. The charge-density-wave to Mott-Hubbard phase transition temperature (TPT) steadily increased with pressure. By a comparison of the effects of the chemical and physical pressures on TPT, it was estimated that the chemical pressure by unit alkyl chain length, i.e., the number of carbon atoms in the alkyl chains within the counterion, corresponded to ca. 1.3 kbar of the physical pressure. PMID- 29227106 TI - Hollow Silica Nanoparticles Penetrate the Peripheral Nerve and Enhance the Nerve Blockade from Tetrodotoxin. AB - The efficacy of tetrodotoxin (TTX), a very potent local anesthetic, is limited by its poor penetration through barriers to axonal surfaces. To address this issue, we encapsulated TTX in hollow silica nanoparticles (TTX-HSN) and injected them at the sciatic nerve in rats. TTX-HSN achieved an increased frequency of successful blocks, prolonged the duration of the block, and decreased the toxicity compared to free TTX. In animals injected with fluorescently labeled HSN, the imaging of frozen sections of nerve demonstrated that HSN could penetrate into nerve and that the penetrating ability of silica nanoparticles was highly size-dependent. These results demonstrated that HSN could deliver TTX into the nerve, enhancing efficacy while improving safety. PMID- 29227107 TI - Oil-in-Water Emulsions Stabilized by Acylglutamic Acid-Alkylamine Complexes as Noncovalent-Type Double-Chain Amphiphiles. AB - We have studied the preparation and stabilization mechanism of oil-in-water-type emulsions in the presence of amphiphilic 1:1 stoichiometric complexes of acylglutamic acids (CnGlu) with tertiary alkylamines (CnDMA). Relatively stable emulsions were obtained when C16Glu-C16DMA (or C18Glu-C18DMA), hexadecane, and water were homogenized at 80 degrees C and then stored at room temperature. The gel-liquid crystal phase transition temperatures (Tc) of C16Glu-C16DMA and C18Glu C18DMA dispersed in water were determined to be ca. 39 and 53 degrees C, respectively. This indicates that the complexes form an adsorbed layer at the oil/water interface during the homogenization process above the Tc and then change into a gel during storage at room temperature. The gel phase formed at the oil/water interface prevents the oil droplets from coalescing. In contrast, shorter chain analogues (C10Glu-C10DMA and C12Glu-C12DMA) did not yield stable emulsions because their adsorption layers were not able to prevent coalescence of the oil droplets (i.e., the Tc of these analogues was below the room temperature). We have also demonstrated that the dispersion stability of these emulsion systems can be controlled by changing the aqueous pH. PMID- 29227108 TI - Visualizing Single-Cell Secretion Dynamics with Single-Protein Sensitivity. AB - Cellular secretion of proteins into the extracellular environment is an essential mediator of critical biological mechanisms, including cell-to-cell communication, immunological response, targeted delivery, and differentiation. Here, we report a novel methodology that allows for the real-time detection and imaging of single unlabeled proteins that are secreted from individual living cells. This is accomplished via interferometric detection of scattered light (iSCAT) and is demonstrated with Laz388 cells, an Epstein-Barr virus (EBV)-transformed B cell line. We find that single Laz388 cells actively secrete IgG antibodies at a rate of the order of 100 molecules per second. Intriguingly, we also find that other proteins and particles spanning ca. 100 kDa-1 MDa are secreted from the Laz388 cells in tandem with IgG antibody release, likely arising from EBV-related viral proteins. The technique is general and, as we show, can also be applied to studying the lysate of a single cell. Our results establish label-free iSCAT imaging as a powerful tool for studying the real-time exchange between cells and their immediate environment with single-protein sensitivity. PMID- 29227109 TI - Fast and Environmentally Friendly Microfluidic Technique for the Fabrication of Polymer Microspheres. AB - This paper reports on a novel microfluidic technique for the fabrication of microspheres of synthetic polymers including poly(vinyl chloride) (PVC), poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP), poly(lactic acid) (PLA), and polystyrene (PS). The polymers are dissolved in tetrahydrofuran (THF) and the method is based on the diminished solubility of THF in a 20% (w/v) NaCl solution which allows the formation of droplets of the polymer solution. These polymer solution droplets are generated in a microfluidic system and their desolvation is accomplished within seconds by allowing the droplets to rise by buoyancy through a NaCl solution with a concentration lower than 15%. The size and morphology of the resultant polymer microspheres have been investigated by optical and scanning electron microscopy. Apart from the elimination of the use of highly toxic solvents as in conventional methods for manufacturing of polymer microspheres, the newly developed technique has the advantages of providing faster desolvation of the polymer solution droplets and a higher yield of microspheres compared to emulsification-based techniques. PMID- 29227111 TI - Key Factors in Prevention of Peri-implant Diseases. AB - Prevention and treatment of peri-implant diseases have become a key element in modern implant dentistry. The long-term success of implantsupported restorations is not only dependent on the quality and precision of modern implant systems, but on the efficacy of preventive measures for thelong-term maintenance of peri implant tissues. PMID- 29227110 TI - iTRAQ Quantitative Proteomic Profiling and MALDI-MSI of Colon Cancer Spheroids Treated with Combination Chemotherapies in a 3D Printed Fluidic Device. AB - For a patient with metastatic colorectal cancer there are limited clinical options aside from chemotherapy. Unfortunately, the development of new chemotherapeutics is a long and costly process. New methods are needed to identify promising drug candidates earlier in the drug development process. Most chemotherapies are administered to patients in combinations. Here, an in vitro platform is used to assess the penetration and metabolism of combination chemotherapies in three-dimensional colon cancer cell cultures, or spheroids. Colon carcinoma HCT 116 cells were cultured and grown into three-dimensional cell culture spheroids. These spheroids were then dosed with a common combination chemotherapy, FOLFIRI (folinic acid, 5-fluorouracil, and irinotecan) in a 3D printed fluidic device. This fluidic device allows for the dynamic treatment of spheroids across a semipermeable membrane. Following dosing, the spheroids were harvested for quantitative proteomic profiling to examine the effects of the combination chemotherapy on the colon cancer cells. Spheroids were also imaged to assess the spatial distribution of administered chemotherapeutics and metabolites with MALDI-imaging mass spectrometry. Following treatment, we observed penetration of folinic acid to the core of spheroids and metabolism of the drug in the outer proliferating region of the spheroid. Proteomic changes identified included an enrichment of several cancer-associated pathways. This innovative dosing device, along with the proteomic evaluation with iTRAQ-MS/MS, provides a robust platform that could have a transformative impact on the preclinical evaluation of drug candidates. This system is a high-throughput and cost effective approach to examine novel drugs and drug combinations prior to animal testing. PMID- 29227112 TI - Clinical Management of Patients With Diabetes and Periodontal Disease: Ideas Whose Time Has Come. AB - Multiple studies over many decades have demonstrated that diabetes mellitus and periodontitis are closely linked and may amplify one another. This review provides a different look at the complex association between these two common, chronic conditions and discusses decision-making in the management of affected individuals. PMID- 29227113 TI - The Microbiome of Peri-implantitis: Is It Unique? AB - A better characterization of the peri-implant microbiome can improve the understanding of the etiology of peri-implant diseases. Ultimately, more detailed information about the peri-implantitis microbiome will lead to better strategies for prevention, supportive therapy, and risk assessment, as well as early diagnosis of peri-implantitis and timely intervention, all of which are critical for the long-term retention of implants. PMID- 29227114 TI - A Role for Oral Health Personnel in Stroke Prevention. AB - Possible links between stroke and periodontal disease are reviewed in this article. Topics covered include the signs and symptoms of stroke, dental and other infections associated with stroke, and the role of oral healthcare personnel in the prevention of stroke and treatment of stroke patients. PMID- 29227115 TI - Fundamentals of Precision Medicine. AB - Precision medicine is no longer a distant vision; it is becoming part of the rapidly evolving present. Insights from studies of the human genome and microbiome, their associated transcriptomes, proteomes, and metabolomes, and epigenomics and exposomics have reached an unprecedented depth and scale. Much more needs to be done, however, particularly in dentistry. PMID- 29227116 TI - Periodontal Diagnosis and Treatment in the Coming Decades. AB - The purpose of this article is to review the dominant paradigms and thinking behind periodontal diagnosis and treatment over the last 150 years, including the clinical characteristics paradigm, the classical pathology paradigm, and the infection/ host response paradigm, and to predict what changes may occur in the next 50 years, such as the molecular ecology paradigm. PMID- 29227117 TI - An autopsy case of death by combined use of benzodiazepines and diphenidine. AB - We present an autopsy case involving benzodiazepines and diphenidine. Quantitative toxicological analysis showed concentrations of 7-aminoflunitrazepam (a flunitrazepam metabolite), 7-aminonimetazepam (a nimetazepam metabolite), chlorpheniramine and diphenidine in femoral blood of 0.086 ug/ml, 0.027 ug/ml, 0.066 ug/ml, and 0.073 ug/ml, respectively. Death was attributed to combined toxicity due to the influence of multiple drug interactions. PMID- 29227118 TI - Complex suicide involving pyrethroid ingestion (mosquito coils) and fatal self wounding by sharp force. AB - "Complex suicide" is a term referring to the suicidal pattern in which more than one suicidal method is applied in the purpose of inducing death. The present paper aims to review complex suicide literature shortly and investigate an unusual planned complex suicide incident, the rarity of which is attributable to the combination of suicide methods as well as the type and quantity of substances applied to induce poisoning. A 33-year-old man with a history of psychotic depression was found dead in his bedroom lying within a large quantity of blood. He had already committed two previous suicide attempts and he was under treatment with antidepressants. The forensic examination revealed the use of the following successive suicide methods: benzodiazepine and alcohol intake, pyrethroid poisoning due to ingestion of mosquito coils, wrist cutting, and a fatal cut in the victims neck. Death occurred due to hemorrhagic shock. Furthermore, the authors extensively discuss the use of sharp force in suicide and the discrimination "tools" between suicide and homicide. PMID- 29227119 TI - [Molecular pathology of lung cancer in routine diagnostic practice: 2017 update]. AB - The group of non-small cell lung carcinomas includes tumors that are variable at the clinical, histopathological and molecular levels. Advances in the understanding of molecular pathology of lung adenocarcinomas in particular led to changes in their histopathological classification and treatment. Patients diagnosed with lung adenocarcinoma harboring specific mutations benefit from the administration of specific targeted therapy. Analysis of EGFR gene mutations and ALK rearrangement in lung adenocarcinomas are already routinely performed and are closely related to the indication for the administration of tyrosinkinase inhibitors. Besides EGFR mutations and ALK rearrangement there are also available other potential markers for analyzing, e.g. b-raf - BRAF, ROS1. Moreover, immunotherapy needs standardization of detection of crucial molecules, namely PD L1. The aim of this review is to summarize the role of the most relevant molecules that could also serve as the therapeutic target for practicing pathologists. PMID- 29227120 TI - [Molecular mechanisms of primary and secondary resistance, molecular-genetic features and characteristics of KIT/PDGFRA non-mutated GISTs]. AB - Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Most of them arise due to activating mutations in KIT (75 - 85 %) or PDGFRA (less than 10 %) genes. Identification of the activating mutations in KIT and PDGFRA genes, which code for receptor tyrosine kinases (RTKs), has improved the outcome of targeted therapy of metastatic, unresectable or recurrent GISTs. Primary and/or secondary resistance represents a significant problem in the targeted therapy by Imatinib mesylate (IM) in patients with GIST. An important mechanism of the secondary resistance is the evolvement of secondary mutations. Except for primary and secondary resistance, there is another problem of disease progression - a failure of tumor cells eradication even in the long term therapy of tyrosine kinase inhibitors. GISTs without mutations in KIT/PDGFRA genes constitute 10 - 15% GISTs in adults, and a majority (85 %) of pediatric GISTs. KIT/PDGFRA wild-type GISTs represent a heterogeneous group of tumors with several molecular-genetics and/or morphologic differences. KIT/PDGFRA wild-type GISTs are different in their molecular features, for example in mutations in the BRAF, KRAS, NF1 genes or defects of succinate dehydrogenase (SDH) subunits. KIT/PDGFRA wild-type GISTs are generally less sensitive to targeted therapy by tyrosine kinase inhibitors in comparison with KIT/PDGFRA mutated GISTs. Inhibitors of BRAF, PI3K (mTOR) or inhibitors of IGF1R and VEGFR receptors provide alternative therapeutic strategies. PMID- 29227121 TI - [What's new in Ewing-like sarcoma family? Soft tissue and bone sarcomas with CIC/BCOR rearrangement. Review of the literature and first personal experience]. AB - The literature is reviewed regarding of a rare molecularly defined group of sarcomas with rearrangement of both CIC and BCOR genes, which were originally placed into the EWSR1wt Ewing-like category. Personal experience with three cases demonstrating difficulties of this issue is added. Both groups of lesions differ not only by age and topography, but also vary in both the prognostic and the predictive parameters. CIC-rearranged tumors are very aggressive and almost never occur in the skeleton; in contrary, the BCOR-rearranged ones are predominantly bone tumors in young males behaving even better than classical Ewing sarcoma. From the morphologic point of view, it turned out to be a salient finding that these types of neoplasm might leave canonical morphotype of small blue round cell sarcoma. Instead of it, they are not uncommonly characterized as a relatively uniform spindle cell proliferation with prevailing myxoid transformation deserving much broader differential diagnosis. Our three cases reports display difficulties in reaching the correct diagnosis even by implementing sophisticated molecular techniques in routine practice. Notwithstanding of exhaustive molecular assays used, one may still encounter a lesion where original descriptive term Ewing-lie sarcoma remains uncorrected. PMID- 29227122 TI - [Hamartoma of mature cardiac myocytes. Autopsy case report]. AB - Hamartoma of mature cardiac myocytes (HMCM) is a rare benign pseudoneoplastic myocardial lesion. We describe a case of 39-year-old Bulgarian woman living in the Czech Republic, who died because of rupture of anterior communicating artery aneurysm, and severe bronchopneumonia. An incidental finding at the autopsy was a whitish unencapsulated and not sharply demarcated tumor of the left ventricle and adjacent area of interventricular septum, which protruded above the plane of section. Microscopically the tumor consisted of various different forms of disorganized hypertrophic mature cardiac myocytes without vacuolization of cytoplasm, focally in a "herringbone" pattern. Dilated venules and thickened intramural coronary arteries, and intervening bands of connective tissue were present between cardiomyocytes in the tumor. Immunohistochemical staining of MIB1 for the detection of proliferative activity was completely negative. No inflammatory infiltration, adipose tissue or calcifications were present in the tumor. PMID- 29227123 TI - The importance of assessing for validity of symptom report and performance in attention deficit/hyperactivity disorder (ADHD): Introduction to the special section on noncredible presentation in ADHD. AB - Invalid self-report and invalid performance occur with high base rates in attention deficit/hyperactivity disorder (ADHD; Harrison, 2006; Musso & Gouvier, 2014). Although much research has focused on the development and validation of symptom validity tests (SVTs) and performance validity tests (PVTs) for psychiatric and neurological presentations, less attention has been given to the use of SVTs and PVTs in ADHD evaluation. This introduction to the special section describes a series of studies examining the use of SVTs and PVTs in adult ADHD evaluation. We present the series of studies in the context of prior research on noncredible presentation and call for future research using improved research methods and with a focus on assessment issues specific to ADHD evaluation. (PsycINFO Database Record PMID- 29227124 TI - The effects of symptom information coaching on the feigning of adult ADHD. AB - College students without ADHD may feign symptoms of ADHD to gain access to stimulant medications and academic accommodations. Unfortunately, research has shown that it can be difficult to discriminate malingered from genuine ADHD symptomatology, especially when evaluations are based only on self-report questionnaires. The present study investigated whether nonclinical college students given no additional information could feign ADHD as successfully as those who were coached on symptoms of the disorder. Similar to Jasinski et al. (2011) and other research on feigned ADHD, a battery of neuropsychological, performance validity, and self-report tests was administered. Undergraduates with no history of ADHD or other psychiatric disorders were randomly assigned to 1 of 2 simulator groups: a coached group that was given information about ADHD symptoms, or a noncoached group that was given no such information. Both simulator groups were asked to feign ADHD. Their performance was compared to a genuine ADHD group and a nonclinical group asked to respond honestly. Self report, neuropsychological, and performance validity test data are discussed in the context of the effect of coaching and its implications for ADHD evaluations. Symptom coaching did not have a significant effect on feigning success. Performance validity tests were moderately effective at detecting feigned ADHD. (PsycINFO Database Record PMID- 29227125 TI - Utility of the Conners' Adult ADHD Rating Scale validity scales in identifying simulated attention-deficit hyperactivity disorder and random responding. AB - Recent concern about malingered self-report of symptoms of attention-deficit hyperactivity disorder (ADHD) in college students has resulted in an urgent need for scales that can detect feigning of this disorder. The present study provided further validation data for a recently developed validity scale for the Conners' Adult ADHD Rating Scale (CAARS), the CAARS Infrequency Index (CII), as well as for the Inconsistency Index (INC). The sample included 139 undergraduate students: 21 individuals with diagnoses of ADHD, 29 individuals responding honestly, 54 individuals responding randomly (full or half), and 35 individuals instructed to feign. Overall, the INC showed moderate sensitivity to random responding (.44-.63) and fairly high specificity to ADHD (.86-.91). The CII demonstrated modest sensitivity to feigning (.31-.46) and excellent specificity to ADHD (.91-.95). Sequential application of validity scales had correct classification rates of honest (93.1%), ADHD (81.0%), feigning (57.1%), half random (42.3%), and full random (92.9%). The present study suggests that the CII is modestly sensitive (true positive rate) to feigned ADHD symptoms, and highly specific (true negative rate) to ADHD. Additionally, this study highlights the utility of applying the CAARS validity scales in a sequential manner for identifying feigning. (PsycINFO Database Record PMID- 29227126 TI - Intentional inattention: Detecting feigned attention-deficit/hyperactivity disorder on the Personality Assessment Inventory. AB - Given the increasing number of college students seeking Attention Deficit/Hyperactivity Disorder (ADHD) diagnoses as well as the potential secondary gains associated with this disorder (e.g., access to stimulant medication, academic accommodations), the detection of malingered symptom presentations in this population is a major concern. The present study examined the ability of validity indicators on the widely used Personality Assessment Inventory (PAI; Morey, 1991) to distinguish between individuals experiencing genuine ADHD symptoms and individuals instructed to present with ADHD symptomatology for secondary gain. Sixty-six participants who successfully simulated ADHD (based on elevations on the Conners' Adult ADHD Rating Scale; Conners, Erhardt, & Sparrow, 1998) were compared with a sample of undergraduate students meeting diagnostic criteria for ADHD (N = 22) and an archival sample of adults who received an ADHD diagnosis at a university psychology clinic following a comprehensive psychological evaluation (N = 41). Successful simulators obtained significantly higher scores on all relevant PAI validity indicators compared with the clinical and archival comparison samples, with the Rogers Discriminant Function demonstrating the highest predictive accuracy (AUC = .86). Traditional cut scores on the Negative Impression (NIM) validity scale used to designate probable malingering, however, were not sensitive to simulated ADHD symptoms, although they did demonstrate excellent specificity. The PAI may be informative as an indicator of potentially exaggerated or malingered symptom presentation, but alternative cut scores for symptom validity indicators may be necessary to maximize its utility in these particular types of psychological evaluations. (PsycINFO Database Record PMID- 29227127 TI - Symptom and performance validity with veterans assessed for attention deficit/hyperactivity disorder (ADHD). AB - Little is known about attention-deficit/hyperactivity disorder (ADHD) in veterans. Practice standards recommend the use of both symptom and performance validity measures in any assessment, and there are salient external incentives associated with ADHD evaluation (stimulant medication access and academic accommodations). The purpose of this study was to evaluate symptom and performance validity measures in a clinical sample of veterans presenting for specialty ADHD evaluation. Patients without a history of a neurocognitive disorder and for whom data were available on all measures (n = 114) completed a clinical interview structured on DSM-5 ADHD symptoms, the Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF), and the Test of Memory Malingering Trial 1 (TOMM1) as part of a standardized ADHD diagnostic evaluation. Veterans meeting criteria for ADHD were not more likely to overreport symptoms on the MMPI-2-RF nor to fail TOMM1 (score <= 41) compared with those who did not meet criteria. Those who overreported symptoms did not endorse significantly more ADHD symptoms; however, those who failed TOMM1 did report significantly more ADHD symptoms (g = 0.90). In the total sample, 19.3% failed TOMM1, 44.7% overreported on the MMPI-2-RF, and 8.8% produced both an overreported MMPI-2-RF and invalid TOMM1. F-r had the highest correlation to TOMM1 scores (r = -.30). These results underscore the importance of assessing both symptom and performance validity in a clinical ADHD evaluation with veterans. In contrast to certain other conditions (e.g., mild traumatic brain injury), ADHD as a diagnosis is not related to higher rates of invalid report/performance in veterans. (PsycINFO Database Record PMID- 29227128 TI - Noncredible cognitive performance at clinical evaluation of adult ADHD: An embedded validity indicator in a visuospatial working memory test. AB - The assessment of performance validity is an essential part of the neuropsychological evaluation of adults with attention-deficit/hyperactivity disorder (ADHD). Most available tools, however, are inaccurate regarding the identification of noncredible performance. This study describes the development of a visuospatial working memory test, including a validity indicator for noncredible cognitive performance of adults with ADHD. Visuospatial working memory of adults with ADHD (n = 48) was first compared to the test performance of healthy individuals (n = 48). Furthermore, a simulation design was performed including 252 individuals who were randomly assigned to either a control group (n = 48) or to 1 of 3 simulation groups who were requested to feign ADHD (n = 204). Additional samples of 27 adults with ADHD and 69 instructed simulators were included to cross-validate findings from the first samples. Adults with ADHD showed impaired visuospatial working memory performance of medium size as compared to healthy individuals. Simulation groups committed significantly more errors and had shorter response times as compared to patients with ADHD. Moreover, binary logistic regression analysis was carried out to derive a validity index that optimally differentiates between true and feigned ADHD. ROC analysis demonstrated high classification rates of the validity index, as shown in excellent specificity (95.8%) and adequate sensitivity (60.3%). The visuospatial working memory test as presented in this study therefore appears sensitive in indicating cognitive impairment of adults with ADHD. Furthermore, the embedded validity index revealed promising results concerning the detection of noncredible cognitive performance of adults with ADHD. (PsycINFO Database Record PMID- 29227129 TI - Assessment of a portable lactate meter for field use in the white rhinoceros (Ceratotherium simum). AB - Blood lactate is a predictor of mortality in critically ill humans and animals. Handheld lactate meters have the potential to be used in the field to evaluate the condition of severely injured rhinoceroses but have not been compared with laboratory-based methods. Agreement between a handheld lactate meter and a laboratory method was assessed, as was the stability of rhino blood lactate in the anticoagulant sodium fluoride/potassium oxalate (fluoride/oxalate). Blood samples were obtained from 53 white rhinos that had been immobilised for management reasons. Lactate was measured by means of a handheld meter using whole blood in heparin (WBHEP), whole blood in fluoride/oxalate (WBFO) and fluoride/oxalate plasma (PFO). Results were recorded in both blood (BL) and plasma (PL) modes and compared to an established laboratory method for measuring plasma lactate. To assess the stability of lactate over time, blood lactate in fluoride/oxalate was measured on the handheld meter at intervals for up to 91 h. Agreement was best using WBFO in PL mode, with small bias (-0.16), tight 95% limits of agreement (LOA) (-1.46, 1.14) and a Pc (95% CI) of 0.97 (0.92, 0.99). The agreement was improved for all sample types when using the PL mode compared to the blood lactate (BL) mode. Blood lactate was stable in fluoride/oxalate for 91 h, with a mean change from baseline of 0.15 (-0.178, 0.478) mmol/L (mean, 95% CI). The handheld meter was found to be suitable for field use in white rhinos but provided more reliable results with the device in PL mode. Furthermore, rhino blood lactate was found to be stable in fluoride/oxalate for as long as 3 days. PMID- 29227130 TI - Investigation of the acaricidal activity of the acetone and ethanol extracts of 12 South African plants against the adult ticks of Rhipicephalus turanicus. AB - The acaricidal activity of acetone and ethanol extracts of 12 plant species was evaluated using the contact method on Rhipicephalus turanicus (Acari: Ixodidae) ticks at an initial concentration of 20% (200 mg/mL). Eight of the 12 plants had mortality greater than 50% and the acetone extracts had better acaricidal activity than the ethanol extracts. The acetone extract of Calpurnia aurea (leaves and flowers) had the highest corrected mortality (CM) of 92.2% followed by Schkuhria pinnata (whole plant) with a CM of 88.9%, Ficus sycomorus (bark and stems) 86.7% and Senna italica subsp. arachoides (roots, leaves and fruits) 83.3%. Selected extracts were tested at five different concentrations using the adult immersion test. From dose-response assays, EC50 values of 61.82 mg/mL, 115.21 mg/mL and 161.02 mg/mL were obtained for the acetone extracts of S. pinnata (whole plant), S. italica subsp. arachoides (roots, leaves and fruits) and C. aurea (leaves and flowers) respectively. The ethanol extract of Monsonia angustifolia (whole plant) had the highest CM of 97.8% followed by S. pinnata (whole plant) with a CM of 86.7%, C. aurea (leaves and flowers) 81.1% and Cleome gynandra (leaves) 77.8%. There is potential for the development of environmentally benign botanicals as natural acaricides against R. turanicus. PMID- 29227131 TI - A serosurvey of bluetongue and epizootic haemorrhagic disease in a convenience sample of sheep and cattle herds in Zimbabwe. AB - A convenience sample of sheep and cattle herds around the cities of Harare, Kwekwe and Bulawayo, located in the Highveld region of Zimbabwe, was used to estimate the seroprevalence and sero-incidence of bluetongue virus (BTV) and epizootic haemorrhagic disease virus (EHDV) antibodies. A competitive enzyme linked immunosorbent assay was used to identify serum antibodies against BTV and EHDV across three rainy seasons. The median sero-prevalence of BTV and EHDV antibodies in cattle was 62% (interquartile range [IQR]: 30-89) and 56% (IQR: 5 77), respectively. In sheep, the median sero-prevalence of BTV and EHDV was 41% (IQR: 19-63) and 0% (IQR: 0-21), respectively. Median sero-incidences of BTV and EHDV antibodies in cattle of 43% (IQR: 22-67) and 27% (IQR: 9-57) respectively were recorded. The median sero-incidence of BTV in sheep was 14% (IQR: 6-23). Based on these preliminary findings, animal health workers in Zimbabwe should continue to monitor the exposure rates of cattle and sheep to BTV and consider the possibility of strains emerging with increased pathogenicity. There are no previous published reports of antibodies against EHDV in Zimbabwe so the possibility of epizootic haemorrhagic disease existing in domestic livestock should now be considered by Zimbabwean animal health officials. Seroconversions to BTV and EHDV occurred predominantly at the end of each rainy season (March and April), which generally corresponds to high numbers of the Culicoides vectors. BTV isolations were made from three individual cows in two of the sentinel herds and all three were identified as serotype 3. This is the first time BTV serotype 3 has been recorded in Zimbabwe, although its presence in neighbouring South Africa is well documented. PMID- 29227132 TI - Mental illness in Bwindi, Uganda: Understanding stakeholder perceptions of benefits and barriers to developing a community-based mental health programme. AB - BACKGROUND: Mental illness has been increasingly recognised as a source of morbidity in low- and middle-income countries and significant treatment gaps exist worldwide. Studies have demonstrated the effectiveness of task sharing through community-based treatment models for addressing international mental health issues. AIM: This paper aims to evaluate the perceptions of a wide range of mental health stakeholders in a Ugandan community regarding the benefits and barriers to developing a community-based mental health programme. SETTING: Bwindi Community Hospital (BCH) in south-west Uganda provides services through a team of community health workers to people in the Kanungu District. METHODS: Thematic analysis of 13 semi-structured interviews and 6 focus group discussions involving 54 community members and 13 mental health stakeholders within the BCH catchment area. RESULTS: Stakeholders perceived benefits to a community-based compared to a hospital-based programme, including improved patient care, lower costs to patients and improved community understanding of mental illness. They also cited barriers including cost, insufficient workforce and a lack of community readiness. CONCLUSIONS: Stakeholders express interest in developing community based mental health programmes, as they feel that it will address mental health needs in the community and improve community awareness of mental illness. However, they also report that cost is a significant barrier to programme development that will have to be addressed prior to being able to successfully establish such programming. Additionally, many community members expressed unique sociocultural beliefs regarding the nature of mental illness and those suffering from a psychiatric disease. PMID- 29227133 TI - Prevalence of intimate partner violence and associated factors amongst women attending antenatal care at Outapi clinic, Namibia: A descriptive survey. AB - BACKGROUND: Intimate partner violence (IPV) is a significant and largely hidden public health problem for all women and, during pregnancy, can have significant effects on the health of both mother and the unborn baby. Previous Namibian studies suggest rates of IPV as high as 36%, although few studies have been conducted in primary care. AIM: To determine the prevalence of IPV amongst women attending antenatal care. SETTING: Outapi primary care clinic, Namibia. METHODS: A descriptive survey administering a validated questionnaire to 386 consecutive participants. RESULTS: The mean age of the participants was 27.5 years (standard deviation = 6.8), 335 (86.8%) were unmarried, 215 (55.7%) had only primary school education and 237 (61.4%) were in their third trimester. Overall, 51 participants (13.2%) had HIV and 44 (11.4%) had teenage pregnancies. The reported lifetime prevalence of IPV was 39 (10.1%), the 12-month prevalence was 35 (9.1%) and the prevalence during pregnancy was 31 (8.0%). Emotional abuse was the commonest type of abuse in 27 (7.0%). The commonest specific abusive behaviour was refusing to provide money to run the house or look after the children whilst the partner spent money on his priorities (4.9%). Increased maternal age was associated with an increase in the occurrence of IPV. CONCLUSION: The reported lifetime prevalence of IPV was 10.1%, with emotional abuse being the commonest type of abuse. Increased age was associated with an increase in reported IPV. IPV is significant enough to warrant that healthcare providers develop guidelines to assist women affected by IPV in Namibia. PMID- 29227134 TI - Evaluating the effect of the Practical Approach to Care Kit on teaching medical students primary care: Quasi-experimental study. AB - BACKGROUND: South Africa is committed to health reforms that strengthen primary health care. Preparing future doctors to work in primary care teams with other professionals is a priority, and medical schools have shifted towards community based and decentralised training of medical students. AIM: To evaluate the effect on student performance of the Practical Approach to Care Kit (PACK) (an integrated decision-making tool for adult primary care) during the final phase of medical student training at Stellenbosch University. SETTING: Clinical rotations in family medicine at clinics in the Western Cape. METHODS: Mixed methods involving a quasi-experimental study and focus group interviews. Student examination performance was compared between groups with and without exposure to the PACK during their clinical training. Student groups exposed to PACK were interviewed at the end of their rotations. RESULTS: Student performance in examinations was significantly better in those exposed to the PACK. Students varied from using the PACK overtly or covertly during the consultation to checking up on decisions made after the consultation. Some felt that the PACK was more suitable for nurses or more junior students. Although tutors openly endorsed PACK, very few modelled the use of PACK in their clinical practice. CONCLUSION: The use of PACK in the final phase of undergraduate medical education improved their performance in primary care. Students might be more accepting and find the tool more useful in the earlier clinical rotations. Supervisors should be trained further in how to incorporate the use of the PACK in their practice and educational conversations. PMID- 29227135 TI - We can make it happen. AB - No abstract available. PMID- 29227136 TI - Facilitators and barriers to effective primary health care in Zimbabwe. AB - No abstract available. PMID- 29227137 TI - Corrigendum: The effectiveness of the South African Triage Tool use in Mahalapye District Hospital - Emergency Department, Botswana. AB - No abstract available. PMID- 29227138 TI - A comparison of mycotoxin contamination of premium and grocery brands of pelleted cat food in South Africa. AB - Contamination with mycotoxins is of concern to pet owners and veterinary practitioners owing to their ability to cause disease and exacerbate the pathological changes associated with other diseases. Currently, there is a lack of information regarding the mycotoxin content of common premium brand (PB) and grocery brand (GB) cat feeds. Therefore, we undertook to determine the mycobiota content of feed samples, from both categories (n = 6 each), and measured the levels of aflatoxin (AF), fumonisin (FB), ochratoxin A (OTA) and zearalenone (ZEA) by high performance liquid chromatographic analysis. There were high concentrations of mycotoxins in both categories of feed, regardless of the notion that PBs are of a higher quality. The concentration of these toxins may contribute to the development of related pathologies in felines. PMID- 29227139 TI - Phenotypic hip and elbow dysplasia trends in Rottweilers and Labrador retrievers in South Africa (2007-2015): Are we making progress? AB - Canine hip and elbow dysplasia are major orthopaedic problems prevalent the world over, and South Africa is no exception. Hip and elbow dysplasia phenotypic status is certified by a number of different radiographic schemes in the world. South Africa uses the Federation Cynologique Internationale system to certify hips, and the International Elbow Working Group scheme to certify elbows. One way of reducing these often crippling conditions is by selective breeding using only dogs with no or marginal dysplastic joints. In South Africa, only seven breeds, including the Rottweiler, have breeding restrictions for hip dysplasia. There are no such restrictions for elbow dysplasia. This study assessed the prevalence of hip and elbow dysplasia over a 9-year-period in the Rottweiler and the Labrador retriever in South Africa as evaluated by official national scrutineers. Records from 1148 Rottweilers and 909 Labrador retrievers were obtained and were graded as normal or dysplastic, and numerical values were also evaluated. Data were compared between the two breeds, males and females as well as over time and were compared with similar data of the Orthopaedic Foundation for Animals in the United States. The prevalence values for hip dysplasia in Rottweilers and Labrador retrievers were 22% and 31%, respectively, whereas for elbow dysplasia the values were 39% and 19%, respectively. In Labrador retrievers, this incidence was much higher than in the American population. Rottweiler hip and elbow dysplasia numerical scores significantly improved over time, whereas in Labrador retrievers, only hip dysplasia showed a minor but significant improvement. This study proved that prescribing minimum breeding requirements, as in the Rottweiler in this study, significantly improved the breeding stock, suggesting that minimum hip and elbow breeding requirements should be initiated for all breeds at risk of these often crippling conditions. PMID- 29227140 TI - Range expansion of the economically important Asiatic blue tick, Rhipicephalus microplus, in South Africa. AB - The Asiatic blue tick, Rhipicephalus microplus, a known vector of bovine babesiosis and bovine anaplasmosis, is of great concern in the cattle industry. For this reason, detailed knowledge of the distribution of R. microplus is vital. Currently, R. microplus is believed to be associated mainly with the northern and eastern Savanna and Grassland vegetation in South Africa. The objective of the study was to record the distribution of R. microplus, and the related endemic Rhipicephalus decoloratus, in the central-western region of South Africa that comprises Albany Thicket, Fynbos and Savanna vegetation. In this survey, ticks were collected from 415 cattle in four provinces (Eastern Cape, Northern Cape and Western Cape and Free State provinces) and from the vegetation in the Eastern Cape province of South Africa between October 2013 and September 2015. More than 8000 ticks were collected from cattle at 80 localities of which R. microplus was present at 64 localities and R. decoloratus at 47 localities. A total of 7969 tick larvae were recorded from the vegetation at 20 localities of which 6593 were R. microplus and 1131 were R. decoloratus. Rhipicephalus microplus was recorded in each of the regions that were sampled. Rhipicephalus microplus is now present throughout the coastal region of the Eastern Cape province and at multiple localities in the north-eastern region of the Northern Cape province. It was also recorded in the western region of the Western Cape province and one record was made for the Free State province. The observed range changes may be facilitated by the combined effects of environmental adaptability by the tick and the movement of host animals. PMID- 29227141 TI - Cervical porcupine quill foreign body involving the spinal cord of a dog: A description of various imaging modality findings. AB - Although porcupine quill injuries are common in dogs, the detailed appearance of the quill on diagnostic ultrasound, computed tomography, and magnetic resonance imaging has not been sufficiently described. A 4-year-old, intact, female Jack Russel terrier presented with severe neck pain and ataxia after an altercation with a porcupine 2 weeks earlier. Radiology, diagnostic ultrasound, computed tomography and magnetic resonance imaging were all utilised to identify a quill imbedded in the cervical vertebral canal and cervical musculature and were compared to each other. Surgical removal of the quill, guided by imaging findings, led to the resolution of the clinical signs in the patient. Previous ultrasound imaging reports have just stated that the quill consists of paralell hyperechoic lines, and do not mention the finer hyperechoic lines inbetween and do not try to provide a reason for the appearance. Previous computed tomography (CT) reports just mention identifying the quill on CT images (whether or not CT could identify the fragments), but do not go into detail about the attenuating appearance of the quill nor try to relate this to the composition of the quill. This is to the authors' knowledge the first report with detailed imaging descriptions of a case of cranial cervical vertebral canal porcupine quill foreign body in a dog. This is also the first report to allude to a possible difference in imaging findings related to quill structure because of keratin orientation and melanin content. The ideal imaging modality to use remains elusive, but ultrasound, computed tomography and magnetic resonance imaging could all identify the quill. PMID- 29227142 TI - Perineal urethrostomy to treat obstructive urolithiasis in a captive hand-raised steenbok (Raphicerus campestris). AB - The steenbok (Raphicerus campestris) is a small antelope of the family Bovidae native to the African continent. Urolithiasis, the formation of urinary calculi in the urinary tract, can be caused by a variety of factors such as diet, dehydration, infection and anatomical predisposition. Urolithiasis, with uroliths identified as magnesium calcium phosphate carbonate in composition, was diagnosed in a hand-reared 5-month-old steenbok. Perineal urethrostomy was performed as a component of the broad treatment regime that included fluid therapy, antibiotic and anti-inflammatory treatment. However, the animal died 4 days later as a result of systemic hypoxia and energy depletion because of stress and cachexia. The challenges of post-surgical treatment, the importance of positive energy balance in small ruminants under stressful circumstances, as well as the role of diet of hand-reared antelope in predisposition to urolith formation are highlighted. PMID- 29227143 TI - Corrigendum: Ileal hypertrophy and associated true diverticulum as a cause of colic in a horse. AB - No abstract available. PMID- 29227144 TI - Stenosis of gastric sleeve after laparoscopic sleeve gastrectomy: clinical, radiographic and endoscopic findings. AB - OBJECTIVE: To determine the clinical, radiographic, and endoscopic findings of sleeve stenosis after sleeve gastrectomy and to correlate treatment with outcomes. METHODS: We identified 43 patients who underwent barium studies to evaluate upper GI symptoms after laparoscopic sleeve gastrectomy. The clinical, radiographic, and endoscopic findings were reviewed and correlated with treatment and outcomes. RESULTS: 26 patients (60%) had sleeve stenoses. All stenoses appeared as short segments of smooth, tapered narrowing, with a mean length of 8.0 mm and mean width of 7.5 mm, and 24 (92%) were located in the proximal or distal third of the sleeve. 23 patients (88%) had upstream dilation, and 1 (4%) had retained food proximal to the stenosis. 23 (70%) of 33 patients with obstructive symptoms and 3 (30%) of 10 without obstructive symptoms had sleeve stenoses. Endoscopy revealed sleeve stenosis in 8 (67%) of 12 patients with radiographic stenosis. Endoscopic dilation resulted in improvement/resolution of symptoms in seven (88%) of 8 patients. CONCLUSION: Sleeve stenosis after sleeve gastrectomy was characterized radiographically by a short segment of smooth, tapered narrowing, typically in the proximal or distal third of the sleeve. Approximately, 70% of patients with obstructive symptoms and 30% with non obstructive symptoms had sleeve stenosis. One-third of radiographically diagnosed stenoses were not seen at endoscopy. The barium study, therefore, is a useful test for sleeve stenosis in patients with obstructive or nonobstructive symptoms after sleeve gastrectomy. Advances in knowledge: This article describes the appearance and location of sleeve stenoses after laparoscopic sleeve gastrectomy and the clinical presentation and treatment options for these patients. PMID- 29227145 TI - Transport-Induced Spatial Patterns of Sulfur Isotopes (delta34S) as Biosignatures. AB - Cave minerals deposited in the presence of microbes may host geochemical biosignatures that can be utilized to detect subsurface life on Earth, Mars, or other habitable worlds. The sulfur isotopic composition of gypsum (CaSO4.2H2O) formed in the presence of sulfur-oxidizing microbes in the Frasassi cave system, Italy, was evaluated as a biosignature. Sulfur isotopic compositions (delta34SV CDT) of gypsum sampled from cave rooms with sulfidic air varied from -11 to 240/00, with minor deposits of elemental sulfur having delta34S values between 17 and -190/00. Over centimeter-length scales, the delta34S values of gypsum varied by up to 8.50/00. Complementary laboratory experiments showed negligible fractionation during the oxidation of elemental sulfur to sulfate by Acidithiobacillus thiooxidans isolated from the caves. Additionally, gypsum precipitated in the presence and absence of microbes at acidic pH characteristic of the sulfidic cave walls has delta34S values that are on average 10/00 higher than sulfate. We therefore interpret the 8.50/00 variation in cave gypsum delta34S (toward more negative values) to reflect the isotopic effect of microbial sulfide oxidation directly to sulfate or via elemental sulfur intermediate. This range is similar to that expected by abiotic sulfide oxidation with oxygen, thus complicating the use of sulfur isotopes as a biosignature at centimeter-length scales. However, at the cave room (meter-length) scale, reactive transport modeling suggests that the overall ~130/00 variability in gypsum delta34S reflects isotopic distillation of circulating H2S gas due to microbial sulfide oxidation occurring along the cave wall-atmosphere interface. Systematic variations of gypsum delta34S along gas flow paths can thus be interpreted as biogenic given that slow, abiotic oxidation cannot produce the same spatial patterns over similar length scales. The expression and preservation potential of this biosignature is dependent on gas flow parameters and diagenetic processes that modify gypsum delta34S values over geological timescales. Key Words: Gypsum-Sulfur isotopes-Biosignature-Sulfide oxidation-Cave. Astrobiology 18, 59-72. PMID- 29227146 TI - Time-Dependent Recovery of Human Synovial Membrane Mesenchymal Stem Cell Function After High-Dose Steroid Therapy: Case Report and Laboratory Study. AB - BACKGROUND: The use of mesenchymal stem cells from various tissue sources to repair injured tissues has been explored over the past decade in large preclinical models and is now moving into the clinic. PURPOSE: To report the case of a patient who exhibited compromised mesenchymal stem cell (MSC) function shortly after use of high-dose steroid to treat Bell's palsy, who recovered 7 weeks after therapy. STUDY DESIGN: Case report and controlled laboratory study. METHODS: A patient enrolled in a first-in-human clinical trial for autologous implantation of a scaffold-free tissue engineered construct (TEC) derived from synovial MSCs for chondral lesion repair had a week of high-dose steroid therapy for Bell's palsy. Synovial tissue was harvested for MSC preparation after a 3 week recovery period and again at 7 weeks after therapy. RESULTS: The MSC proliferation rates and cell surface marker expression profiles from the 3-week sample met conditions for further processing. However, the cells failed to generate a functional TEC. In contrast, MSCs harvested at 7 weeks after steroid therapy were functional in this regard. Further in vitro studies with MSCs and steroids indicated that the effect of in vivo steroids was likely a direct effect of the drug on the MSCs. CONCLUSION: This case suggests that MSCs are transiently compromised after high-dose steroid therapy and that careful consideration regarding timing of MSC harvest is critical. CLINICAL RELEVANCE: The drug profiles of MSC donors and recipients must be carefully monitored to optimize opportunities to successfully repair damaged tissues. PMID- 29227147 TI - [The investigation of attitudes toward health behaviour among high school and university students]. AB - INTRODUCTION: Health awareness plays an important role in our life, which contains attitudes as well behavioural components. Social factors influencing health awareness were the basis of many previous investigations, measuring the effect of demographical and psychological factors. However, investigation of these factors usually happened with separated questions. AIM: The aim of the present study is to test a new questionnaire, which measures health behaviour and attitudes related to health awareness. METHOD: In present study, the attention was drawn to the introduction of a new questionnaire related to health behaviour, attitudes toward health awareness and factors influencing those and measured on population in Debrecen (SHTE 2017; n = 256). RESULTS: the new measurement proved to be reliable based on Cronbach alpha analysis. This was created on the basis of focus content analysis of group conversations with 10 subscales and 35 items. CONCLUSIONS: It can be stated that gender, father's educational level, objective and subjective financial status has a significantly negative effect; while sport, subjective health and fitness as well as subjective religiosity have a significantly positive effect which reflects previous findings and confirm the reliability of our questionnaire. Orv Hetil. 2017; 158(44): 1754-1760. PMID- 29227149 TI - [Miscellaneous]. PMID- 29227150 TI - Early Results of a Pragmatic Trial: Report to a State Agency on Acupuncture for the Underserved Amid the Opioid Crisis. PMID- 29227148 TI - Structural abnormalities and altered regional brain activity in multiple sclerosis with simple spinal cord involvement. AB - OBJECTIVE: To assess the changes of the structural and functional abnormalities in multiple sclerosis with simple spinal cord involvement (MS-SSCI) by using resting-state functional MRI (RS-fMRI), voxel based morphology (VBM) and diffusion tensor tractography. METHODS: The amplitude of low-frequency fluctuation (ALFF) of 22 patients with MS-SSCI and 22 healthy controls (HCs) matched for age, gender and education were compared by using RS-fMRI. We also compared the volume, fractional anisotropy (FA) and apparent diffusion coefficient of the brain regions in baseline brain activity by using VBM and diffusion tensor imaging. The relationships between the expanded disability states scale (EDSS) scores, changed parameters of structure and function were further explored. RESULTS: (1) Compared with HCs, the ALFF of the bilateral hippocampus and right middle temporal gyrus in MS-SSCI decreased significantly. However, patients exhibited increased ALFF in the left middle frontal gyrus, left posterior cingulate gyrus and right middle occipital gyrus ( two-sample t-test, after AlphaSim correction, p < 0.01, voxel size > 40). The volume of right middle frontal gyrus reduced significantly (p < 0.01). The FA and ADC of right hippocampus, the FA of left hippocampus and right middle temporal gyrus were significantly different. (2) A significant correlation between EDSS scores and ALFF was noted only in the left posterior cingulate gyrus. CONCLUSION: Our results detected structural and functional abnormalities in MS-SSCI and functional parameters were associated with clinical abnormalities. Multimodal imaging plays an important role in detecting structural and functional abnormalities in MS-SSCI. Advances in knowledge: This is the first time to apply RS-fMRI, VBM and diffusion tensor tractography to study the structural and functional abnormalities in MS-SSCI, and to explore its correlation with EDSS score. PMID- 29227151 TI - Evaluating which plan quality metrics are appropriate for use in lung SBRT. AB - OBJECTIVE: Several dose metrics in the categories-homogeneity, coverage, conformity and gradient have been proposed in literature for evaluating treatment plan quality. In this study, we applied these metrics to characterize and identify the plan quality metrics that would merit plan quality assessment in lung stereotactic body radiation therapy (SBRT) dose distributions. METHODS: Treatment plans of 90 lung SBRT patients, comprising 91 targets, treated in our institution were retrospectively reviewed. Dose calculations were performed using anisotropic analytical algorithm (AAA) with heterogeneity correction. A literature review on published plan quality metrics in the categories-coverage, homogeneity, conformity and gradient was performed. For each patient, using dose volume histogram data, plan quality metric values were quantified and analysed. RESULTS: For the study, the radiation therapy oncology group (RTOG) defined plan quality metrics were: coverage (0.90 +/- 0.08); homogeneity (1.27 +/- 0.07); conformity (1.03 +/- 0.07) and gradient (4.40 +/- 0.80). Geometric conformity strongly correlated with conformity index (p < 0.0001). Gradient measures strongly correlated with target volume (p < 0.0001). The RTOG lung SBRT protocol advocated conformity guidelines for prescribed dose in all categories were met in >=94% of cases. The proportion of total lung volume receiving doses of 20 Gy and 5 Gy (V20 and V5) were mean 4.8% (+/-3.2) and 16.4% (+/-9.2), respectively. CONCLUSION: Based on our study analyses, we recommend the following metrics as appropriate surrogates for establishing SBRT lung plan quality guidelines coverage % (ICRU 62), conformity (CN or CIPaddick) and gradient (R50%). Furthermore, we strongly recommend that RTOG lung SBRT protocols adopt either CN or CIPadddick in place of prescription isodose to target volume ratio for conformity index evaluation. Advances in knowledge: Our study metrics are valuable tools for establishing lung SBRT plan quality guidelines. PMID- 29227153 TI - Profiles by suicide methods: an analysis of older adults. AB - OBJECTIVE: The aim of this study was to investigate choice of suicide method in individuals aged 65 years and over. METHODS: Data were obtained from the Queensland Suicide Register, Australia. Univariate and multi-variate logistic regression analyses were conducted. RESULTS: The predominant methods in older adults were hanging (21.5%), firearms and explosives (20.9%), drug poisoning (18.5%), followed by other poisoning (mainly MVCO) (12.6%), suffocation by plastic bag (8.5%), and drowning (6%). Some methods (e.g. firearms and explosives, drug poisoning, suffocation) appeared characterised by profiles (e.g., socio-demographic and clinical aspects), meanwhile others were not well distinguishable. Compared to other methods, those who died by firearms and explosives were significantly more likely to be males, Australian born, live in rural and remote areas, and less likely to have a mental illness, previous suicide attempt(s) or leave a suicide note. Those who died by drug poisoning were more likely to be females, leave a suicide note, experience interpersonal conflict and live in urban areas. Similarly, those who chose suffocation by plastic bag were more likely to be older females, leave a suicide note, and pay attention to suicide in the media, but less likely to experience interpersonal conflict. CONCLUSION: Acceptability, availability and lethality are important factors impacting choice of means and should be considered when designing suicide prevention activities in older adults. PMID- 29227152 TI - Analysis of intra and extramyocellular lipids in the multifidus muscle in patients with chronic low back pain using MR spectroscopy. AB - OBJECTIVE: To analyse the intra- (IMCL) and extramyocellular lipids (EMCL) concentration in the multifidus muscle (Mm) using MR spectroscopy (MRS) in patients with low back pain (LBP), and to evaluate the correlation between those lipid concentrations and age, obesity, atrophy of the Mm and LBP intensity. METHODS: 60 LBP patients underwent routine diagnostic MRI of the lumbar spine before undergoing imaging for the study. Body mass index, as an indicator of obesity and visual analogue scale, as an indicator of LBP were also measured. Proton MRS was acquired with a single-voxel point-resolved spectroscopy sequence. Furthermore, the MRS volume of interest for measuring the IMCL and EMCL concentration at L4/5 for the right Mm was determined, and we measured the cross sectional area of Mm as an indicator of muscle atrophy. RESULTS: Age showed correlation with EMCL concentration (r = 0.314, p = 0.008). The body mass index showed correlation with EMCL concentration (r = 0.358, p = 0.005). The cross sectional area of Mm showed correlation with EMCL concentration (r = -0.543, p < 0.001). Moreover, the LBP visual analogue scale showed correlation with IMCL concentration (r = 0.367, p = 0.004). CONCLUSION: There were correlations between age, obesity, muscle atrophy, and EMCL concentration in Mm. IMCL concentration in Mm showed a correlation with LBP intensity. This may suggest that IMCL concentration could become an effective objective indicator of chronic LBP intensity. Advances in knowledge: We investigated the characteristics of fat content in Mm with LBP patients. This study was demonstrated the association of the IMCL and EMCL concentration in Mm with various patient parameters. PMID- 29227154 TI - Pose determination of a blade implant in three dimensions from a single two dimensional radiograph. AB - The aim of the study was to introduce a mathematical method to estimate the correct pose of a blade by evaluating the radiographic features obtained from a single two-dimensional image. Blade-form implant bed preparation was performed using the piezosurgery device, and placement was attained with the use of magnetic mallet. The pose determination of the blade was described by means of three consecutive rotations defined by three angles of orientation (triplet phi, theta and psi). Retrospective analysis on periapical radiographs was performed. This method was used to compare implant (axial length along the marker, i.e. the implant structure) vs angular correction factor (a trigonometric function of the triplet). The accuracy of the method was tested by generating two-dimensional radiographic simulations of the blades, which were then compared with the images of the implants as appearing on the real radiographs. Two patients had to be excluded from further evaluation because the values of the estimated pose angles showed a too-wide range to be effective for a good standardization of serial radiographs: intrapatient range from baseline to 1-year survey was > of a threshold determined by the clinicians (30 degrees ). The linear dependence between implant (CF degrees ) and angular correction factor (CF^) was estimated by a robust linear regression, yielding the following coefficients: slope, 0.908; intercept, -0.092; and coefficient of determination, 0.924. The absolute error in accuracy was -0.29 +/- 4.35, 0.23 +/- 3.81 and 0.64 +/- 1.18 degrees , respectively, for the angles phi, theta and psi. The present theoretical and experimental study established the possibility of determining, a posteriori, a unique triplet of angles (phi, theta and psi) which described the pose of a blade upon a single two-dimensional radiograph, and of suggesting a method to detect cases in which the standardized geometric projection failed. The angular correction of the bone level yielded results very close to those obtained with an internal marker related to the implant length. PMID- 29227156 TI - The Characterization of Biosignatures in Caves Using an Instrument Suite. AB - The search for life and habitable environments on other Solar System bodies is a major motivator for planetary exploration. Due to the difficulty and significance of detecting extant or extinct extraterrestrial life in situ, several independent measurements from multiple instrument techniques will bolster the community's confidence in making any such claim. We demonstrate the detection of subsurface biosignatures using a suite of instrument techniques including IR reflectance spectroscopy, laser-induced breakdown spectroscopy, and scanning electron microscopy/energy dispersive X-ray spectroscopy. We focus our measurements on subterranean calcium carbonate field samples, whose biosignatures are analogous to those that might be expected on some high-interest astrobiology targets. In this work, we discuss the feasibility and advantages of using each of the aforementioned instrument techniques for the in situ search for biosignatures and present results on the autonomous characterization of biosignatures using multivariate statistical analysis techniques. Key Words: Biosignature suites Caves-Mars-Life detection. Astrobiology 17, 1203-1218. PMID- 29227155 TI - Using Mobile Health to Improve Social Support for Low-Income Latino Patients with Diabetes: A Mixed-Methods Analysis of the Feasibility Trial of TExT-MED + FANS. AB - BACKGROUND: Social support interventions can improve diabetes self-care, particularly for Latinos, but are time and resource intensive. Mobile health may overcome these barriers by engaging and training supporters remotely. METHODS: We conducted a randomized controlled feasibility trial of emergency department patients with diabetes to determine the feasibility of enrolling patients and supporters, acceptability of the intervention, and preliminary efficacy results to power a larger trial. All patients received an existing mHealth curriculum (TExT-MED). After identifying a supporter, patients were randomized to intervention: supporters receiving FANS (family and friends network support), a text message support curriculum synchronized to patient messages, or control: supporters receiving a mailed pamphlet of the same information. Participants followed up at 3 months. FANS intervention participants came to postintervention interviews as part of a qualitative analysis. RESULTS: We enrolled 44 patients (22 per arm) and followed up 36 at 3 months. Participants were positive about the program. FANS intervention improved HbA1c (intervention mean decreased from 10.4% to 9.0% vs. from 10.1% to 9.5%, delta -0.8%, confidence interval [CI] -0.4 to 2, P = 0.30), self-monitoring of glucose (intervention increased 1.6 days/week vs. control decreased 2 days/week, delta 2.3 days/week, CI 4-0.6, P = 0.02), and physical activity (mean Godin leisure time activity score improved 16.1 vs. decreased 9.6 for control, delta 25.7, CI 49.2-2.3, P = 0.10). In qualitative analysis, patients reported improved motivation, behaviors, and relationships. Supporters reported making healthier decisions for themselves. CONCLUSIONS: mHealth is a feasible, acceptable, and promising avenue to improve social support and diabetes outcomes. PMID- 29227157 TI - Systematic review of the diagnostic accuracy of the non-English versions of Addenbrooke's cognitive examination - revised and III. AB - OBJECTIVE: This systematic review aims to review the evidence for the diagnostic accuracy of the non-English updated versions of Addenbrooke's Cognitive Examination (ACE) - the ACE-Revised (ACE-R) and the ACE-III - in the diagnosis of dementia. METHODS: A systematic search resulted in 16 eligible studies evaluating the diagnostic accuracy of ACE-R and ACE-III in ten different languages. Most studies were assessed as of medium to low quality using Standards for Reporting of Diagnostic Accuracy (STARD) guidance. RESULTS: The findings of excellent diagnostic accuracy are compromised by the methodological limitations of studies. While studies generally reported excellent diagnostic accuracy across and within different languages, optimal cut-offs even within particular language versions, varied. CONCLUSION: There is a need for future research to address these limitations through adherence to STARD guidelines. The ACE-III is particularly under-evaluated and should be a focus of future research. The variance in obtained optimal cut-offs within language versions is an issue compromising clinical utility and could be addressed in future work through use of a-priori defined thresholds. PMID- 29227159 TI - Moving on from adversity: an understanding of resilience in rural Thai older people. AB - OBJECTIVE: This study explored the concept of resilience in rural Thai older people. METHOD: The study was exploratory and descriptive in design. Ethnographic fieldwork was undertaken in four rural Thai communities. Non-participant observation (340 h) and 35 semi-structured interviews with older people enabled the collection of qualitative data. Nvivo 10 was used to collate and organise the qualitative data. Data analysis was conducted thematically. RESULTS: One major core theme and five qualitative sub-themes emerged from the data related to the theoretical construct of rural Thai elders' resilience. The subthemes of the core theme 'moving on' include: (1) keep doing a job and earning a living; (2) having Jai-Yai to fight for life; (3) accepting a situation (Plong and Taam-Jai); (4) expressing difficulty; and (5) connecting with people, beliefs and customs. CONCLUSION: The concept of 'moving on' provides a subcultural viewpoint of older rural Thai people in the face of adversity in their everyday lives. Previous conceptions of resilience and older people focus on it being bouncing back from adversity. Bouncing back implies a setback, whereas 'moving on' found in this study is the process of continuous movement forward and getting on with one's life despite difficulties. PMID- 29227160 TI - Inter- and intraexaminer reliability of bitewing radiography and near-infrared light transillumination for proximal caries detection and assessment. AB - OBJECTIVES: The purpose of this in vitro study was to evaluate the inter- and intraexaminer reliability of digital bitewing (DBW) radiography and near-infrared light transillumination (NIRT) for proximal caries detection and assessment in posterior teeth. METHODS: From a pool of 85 patients, 100 corresponding pairs of DBW and NIRT images (~1/3 healthy, ~1/3 with enamel caries and ~1/3 with dentin caries) were chosen. 12 dentists with different professional status and clinical experience repeated the evaluation in two blinded cycles. Two experienced dentists provided a reference diagnosis after analysing all images independently. Statistical analysis included the calculation of simple (kappa) and weighted Kappa (wkappa) values as a measure of reliability. Logistic regression with a backward elimination model was used to investigate the influence of the diagnostic method, evaluation cycle, type of tooth, and clinical experience on reliability. RESULTS: Altogether, inter- and intraexaminer reliability exhibited good to excellent kappa and wkappa values for DBW radiography (Inter: kappa = 0.60/ 0.63; wkappa = 0.74/0.76; Intra: kappa = 0.64; wkappa = 0.77) and NIRT (Inter: kappa = 0.74/0.64; wkappa = 0.86/0.82; Intra: kappa = 0.68; wkappa = 0.84). The backward elimination model revealed NIRT to be significantly more reliable than DBW radiography. CONCLUSIONS: This study revealed a good to excellent inter- and intraexaminer reliability for proximal caries detection using DBW and NIRT images. The logistic regression analysis revealed significantly better reliability for NIRT. Additionally, the first evaluation cycle was more reliable according to the reference diagnoses. PMID- 29227161 TI - Tetracycline and rifampicin induced a viable but nonculturable state in Staphylococcus epidermidis biofilms. AB - AIM: The goal of this study was to determine the effectiveness of antibiotics on Staphylococcus epidermidis biofilms with different proportions of dormant bacteria, using clinical and commensal isolates. MATERIALS & METHODS: The ability of S. epidermidis isolates to develop a dormant state was determined. The susceptibility of biofilms with prevented or induced dormancy to antibiotics was evaluated by enumeration of viable and cultivable cells, and confocal microscopy. RESULTS: Dormancy was observed in the majority of tested strains. Tetracycline and rifampicin enhanced the development of a viable but noncultivable biofilm state. CONCLUSION: Biofilms with induced dormancy were more likely to survive rifampicin. Furthermore, we found that the reduction of cultivable cells was not sufficient to reach definite conclusions on antimicrobial effectiveness. PMID- 29227162 TI - Electromyography Biofeedback Exergames to Enhance Grip Strength and Motivation. AB - BACKGROUND: Hand strength weakness affects the performance of most activities of daily living. This study aims to design, develop, and test an electromyography (EMG) biofeedback training system based on serious games to promote motivation and synchronization and proper work intensity in grip exercises for improving hand strength. MATERIALS AND METHODS: An EMG surface sensor, soft balls with different stiffness and three exergames, conforms the system to drive videogame clues in response to EMG-inferred grip strength, while overseeing motivation. An experiment was designed to study the effect of performing handgrip (HG) exercises with the proposed system versus traditional exercises. Participants, organized into two groups, followed a training program for each hand. One group followed a HG exergame training (ET) with the dominant hand and traditional HG training with the nondominant hand and inverse sequence by the second group. Initial and final grip forces were measured using a digital dynamometer. Questionnaires evaluated motivation and user experience, and exercise performance was evaluated in terms of work and rest time percentage and maximal voluntary contraction percentage over contraction periods. Data were analyzed for statistically significant differences and increase of means. RESULTS: Participants showed significantly better exercise performance and higher grip forces, with sustained intrinsic motivation and user experience, with the ET. CONCLUSION: Improvement in force level arises evidently from the synchronized work-rest time pattern and appropriated intensity of the muscle activity. This leads to support that EMG biofeedback exergames improve motor neurons firing and resting. PMID- 29227165 TI - Sex hormone binding globulin - an important biomarker for predicting PCOS risk: A systematic review and meta-analysis. AB - Sex hormone-binding globulin (SHBG) is a glycoprotein which regulates bioavailability of sex steroid hormones. Interest in SHBG has escalated in recent years because of its inverse association with polycystic ovary syndrome (PCOS), obesity, insulin resistance, metabolic syndrome, and diabetes type II. This meta analysis was performed to examine the associations of SHBG with PCOS and to correlate serum SHBG levels with various PCOS associated endocrine and metabolic dysregulation as well as to determine the effects of various therapeutic agents on serum SHBG levels in PCOS patients in order to assess the true accuracy of SHBG in the prediction of PCOS. A literature search was performed using Pub-Med, Science direct, google scholar, EMBASE, and Cochrane library. A total of 675 relevant records were identified, of which 62 articles were included. Meta analysis using a random-effects model was performed using STATA version 13 to calculate standardized mean difference (SMD) with 95% confidence intervals (95 % CIs). SHBG levels in controls were significantly higher than that of PCOS patients (SMD= -0.83, 95%CI = -1.01, -0.64), with significant heterogeneity across studies (I2= 93.9% and p=0.000). Our results suggest that the lower serum SHBG levels are associated with the risk of PCOS. SHBG may also play an important role in various metabolic disturbances in PCOS patients. Therapeutic interventions improved SHBG levels in PCOS women which further reduced PCOS associated complications. Therefore, SHBG levels may prove to be a useful biomarker for the diagnosis and treatment of PCOS. Systematic review registration: PROSPERO CRD42017057972 Abbreviations: PCOS: polycystic ovary syndrome; SHBG: sex hormone-binding globulin. PMID- 29227167 TI - Diagnosis of platelet function disorders: A standardized, rational, and modular flow cytometric approach. AB - A high proportion of patients with mucocutaneous bleeding diathesis and suspected inherited or acquired platelet disorder remain without diagnosis even after comprehensive laboratory testing. Since flow cytometry allows investigation of resting and activated platelets on the single cell level by requiring only minimal amounts of blood, this method has become an important assay within the diagnostic algorithm, especially in pediatrics. We therefore developed a standardized and modular flow cytometric approach that contributes to clarify impaired platelet function in a rational step-by-step manner. Due to simultaneous analysis of four fluorophores in a basic panel design, we are able to readily detect the most common and clinically significant platelet disorders: Glanzmann thrombasthenia or Glanzmann-like diseases (fibrinogen receptor GPIIb-IIIa), Bernard-Soulier syndrome (von Willebrand-factor receptor complex GPIb-IX-V) and less well characterized beta1-integrins that serve as the collagen, laminin or fibronectin receptor (CD29-CD49b, e and f, respectively). Platelet reactivity was investigated in response to the agonists adenosine diphosphate (ADP) and thrombin receptor activator peptide 6 (TRAP6) in suboptimal and optimal concentrations by quantifying surface expression of activation markers CD62P and CD63 as well as binding of PAC-1 antibody to the high affinity conformation of the fibrinogen receptor. For advanced diagnostic questions, several further modules were implemented: (i) calcium mobilization for evaluation of early signal transduction, (ii) a kinetically resolved mepacrine assay for estimation of delta granule content and release, and (iii) a module to determine platelet reactivity upon additional agonists like the thromboxane A2-analogue U46619 or collagen. Blood withdrawn from a healthy control cohort allowed generating preliminary standard values for all parameters. The modules were validated by analysis of patients with known or suspected platelet defects (leukocyte-adhesion deficiency type III, Wiskott-Aldrich syndrome, acute myeloid leukemia, sickle cell disease and chronic immune thrombocytopenia). PMID- 29227168 TI - Assessment of communication abilities in multilingual children: Language rights or human rights? AB - Communication involves a sender, a receiver and a shared code operating through shared rules. Breach of communication results from disruption to any of these basic components of a communicative chain, although assessment of communication abilities typically focuses on senders/receivers, on two assumptions: first, that their command of features and rules of the language in question (the code), such as sounds, words or word order, as described in linguists' theorisations, represents the full scope of linguistic competence; and second, that languages are stable, homogeneous entities, unaffected by their users' communicative needs. Bypassing the role of the code in successful communication assigns decisive rights to abstract languages rather than to real-life language users, routinely leading to suspected or diagnosed speech-language disorder in academic and clinical assessment of multilingual children's communicative skills. This commentary reflects on whether code-driven assessment practices comply with the spirit of Article 19 of the Universal Declaration of Human Rights. PMID- 29227169 TI - Descriptive study of the relationship between the subclinical carotid disease and biomarkers, carotid femoral pulse wave velocity in patients with hypertension. AB - BACKGROUND: Carotid intima-media thickness (cIMT) is a significant early prediction signal for preclinical atherosclerosis. Plasma homocysteine (Hcy) level is an independent risk factor for cardiovascular diseases. Pulse wave velocity (PWV), an index of arterial stiffness (AS), has showed its value in the evaluation of AS in vascular-related diseases. The data regarding the relationships between cIMT and other indices of vascular damage are limited and partly controversial. We aim to investigate the relationships between cIMT and other indices of vascular damage such as Hcy and carotid femoral PWV (CF-PWV). METHODS: In total,1188 (male/female 514/674) subjects with hypertension from Vascular Medicine of Peking University Shougang Hospital were enrolled into our study. The patients with hypertension were measured bilateral cIMT by B-mode ultrasound and measured plasma levels of Hcy, total cholesterol (TC), high density lipoprotein (HDL), low-density lipoprotein (LDL), C-reactive protein (CRP), glucose, and other biomarkers. Plaques were detected in 78% of the study patients. Plasma Hcy (p < 0.001), CRP (p < 0.001), LDL (p < 0.001), HDL (p = 0.008), TC levels (p < 0.001), and CF-PWP (p < 0.001) were significantly greater in hypertensive patients with carotid plaques than patients without. The carotid plaque detection rate (p < 0.001) and bilvertebral artery max velocity (p < 0.05) were significantly different in quartiles of plasma Hcy levels. R-IMT correlated significantly with HCY, high sensitive CRP (hs-CRP), CF-PWV, and R-vertebral artery intimal diameter. Age (p < 0.001) and CF-PWV (p < 0.05) predicted the presence of carotid plaques independently in the logistic regression. However, Hcy did not independently predict the presence of carotid plaques in the logistic regression. CONCLUSION: Increased carotid femoral PWV and elevated plasma Hcy levels are associated with subclinical carotid disease in hypertensive patients. CF-PWV independently predicted subclinical carotid plaque in the patients with hypertensive. While, there is insufficient evidence for Hcy in predicting plaque incidence. PMID- 29227171 TI - Evaluation and prediction of powder flowability in pharmaceutical tableting. AB - The focus of this study is to establish a characterization method determining the powder flowability in context of tableting. At first, flowability of different materials is measured using the ring shear tester, and its prediction from particle size is established. Next, the model die-filling system is presented which is a modified version of previous studies. Using this system, flowability of different materials is measured at varying die speeds. A new curve fit to assess die fill ratio vs die speed is suggested improving predictability, and a novel flowability metric, "Die Fill Index" (DFI), is derived. The DFI is appropriate to describe flowability for most of the tested materials, and sensitivity of a material with respect to tableting speed. A correlation is generated predicting DFI from particle size. Additionally, it is shown that model die filling is the preferable method to assess flowability for tableting compared to ring shear tester. PMID- 29227172 TI - A Retinal Research Nonprofit Paves the Way for Commercializing Gene Therapies. PMID- 29227173 TI - Changes in platelet function with inflammation in patients undergoing vascular surgery. AB - The role of platelets in ischaemic events is well established. Aspirin represents the default antiplatelet and blocks the metabolism of arachidonic acid (AA) at the cyclo-oxygenase enzyme (COX). AA is commonly used as a test of response to aspirin, but recent data raise uncertainty about the validity of this approach. Specifically, in some patients AA-induced clotting is not suppressed, but the level of COX-dependent AA metabolite, thromboxane B2 (TXB2) is negligible. Furthermore, AA-induced whole blood clotting varies dynamically in individuals, who are aspirin responsive according to TXB2 levels. The aim of this study was to assess the level of AA-, ADP- and thrombin-mediated platelet reactivity in patients on aspirin before, during, and after major vascular surgery, which represents a model of on/off vascular inflammation. Firstly, we hypothesized, that in association with this inflammatory episode AA-, ADP- and thrombin-induced clotting would change in a dynamic manner. Secondly, that AA-induced clotting will be modified despite complete suppression of platelet TXB2 production by aspirin throughout the periprocedural period, possibly via a lipoxygenase mediated mechanism. Fourty patients underwent major vascular surgery (open abdominal aortic aneurysm operation, infrainguinal bypass for subcritical limb ischaemia or peripheral aneurysm repair with bypass). They were all on 75 mg of aspirin prior to and throughout the perioperative period and received 5000 units of unfractionated heparin intraoperatively. AA-, ADP-, and thrombin-induced clotting, AA metabolites (TXB2 and 12-Hyroxyeicosatetraenoic acid (12-HETE)) and inflammatory markers (CRP, IL-6, TNF-alpha and CD40) were measured pre-procedure and at 2, 24, 48 hours, 3 to 5 days and 3 months after surgery. AA-, ADP- and thrombin-induced platelet reactivity was assessed using thrombelastography. TXB2, 12-HETE, IL-6, TNF-alpha, CD40 were determined using the sequential competitive binding Enzyme-Linked ImmunoAssay technique and CRP was determined using an immune-turbidimetric test on human serum. There was a transient rise in inflammatory markers in the early perioperative period (CRP at 24, 48 hours and 3 to 5 days p < 0.001 and IL-6 at 2, 24, 48 hours and 3 to 5 days p < 0.001 as compared to baseline). Patients had negligible levels of TXB2 throughout, confirming a consistent therapeutic response to aspirin. There was a transient rise in thrombin-mediated clotting (MAThrombin at 48 hours p = 0.001 and 3 to 5 days p < 0.001) and a fall in AA- and ADP-induced clotting in the early post op period (both MAAA and MAADP p = 0.001 at 2 hours). At 3 months, the level of AA- and ADP-induced clotting was significantly higher than at baseline (p = 0.008 for MAAA and p = 0.002 for MAADP), hence demonstrating a rebound effect. These data demonstrate a novel dynamic variation in platelet aggregation with acute vascular inflammation, including AA-induced whole blood clotting which is apparently COX-1 independent. PMID- 29227174 TI - Gambogic amide, a selective TrkA agonist, does not improve outcomes from traumatic brain injury in mice. AB - OBJECTIVES: There is evidence that treatment with nerve growth factor (NGF) may reduce neuroinflammation and apoptosis after a traumatic brain injury (TBI). NGF is thought to exert its effects via binding to either TrkA or p75 neurotrophin receptors. This study aimed to investigate the effects of a selective TrkA agonist, gambogic amide (GA), on TBI pathology and outcomes in mice following lateral fluid percussion injury. METHODS: Male C57BL/6 mice were given either a TBI or sham injury, and then received subcutaneous injections of either 2 mg/kg of GA or vehicle at 1, 24, and 48 h post-injury. Following behavioural studies, mice were euthanized at 72 h post-injury for analysis of neuroinflammatory, apoptotic, and neurite outgrowth markers. RESULTS: Behavioural testing revealed that GA did not mitigate motor deficits after TBI. TBI caused an increase in cortical and hippocampal expression of several markers of neuroinflammation and apoptosis compared to sham groups. GA treatment did not attenuate these increases in expression, possibly contributed to by our finding of TrkA receptor down regulation post-TBI. CONCLUSIONS: These findings suggest that GA treatment may not be suitable for attenuating TBI pathology and improving outcomes. PMID- 29227175 TI - Effects of 28-day Bifidobacterium animalis subsp. lactis HN019 supplementation on colonic transit time and gastrointestinal symptoms in adults with functional constipation: A double-blind, randomized, placebo-controlled, and dose-ranging trial. AB - Bifidobacterium animalis subsp. lactis HN019 (HN019) ameliorates chronic idiopathic constipation. Our aim was to determine the efficacy and safety of 28 day supplementation with 1 * 109 or 1 * 1010 CFU of HN019/day for constipation. A total of 228 adults who were diagnosed with functional constipation according to the Rome III criteria were randomized in a double-blind and placebo-controlled trial. Colonic transit time (CTT), the primary outcome, and secondary outcomes that were measured using inventories-patient assessment of constipation symptoms (PAC-SYM) and quality of life (PAC-QoL), bowel function index (BFI), bowel movement frequency (BMF), stool consistency, degree of straining, bowel emptying, bloating, and pain severity-were assessed. Ancillary parameters and harms were also evaluated. There were no statistically significant differences in the primary or secondary outcomes between interventions. A post hoc analysis of 65 participants with fewer than 3 bowel movements per week (BMF <= 3/week) showed a physiologically relevant increase in weekly BMF in the high- (+2.0) and low-dose (+1.7) HN019 groups-by RMANOVA, the HN019 groups with BMF <= 3/week, pooled together, had a higher BMF versus placebo (P value = 0.01). Thus, improving low stool frequency could be a target of future interventions with HN019. High-dose HN019 also decreased the degree of straining at Day 28 versus placebo in those with BMF <= 3/week (P value = 0.02). Three unlikely related AEs-2 with low-dose HN019 and 1 with placebo-were followed until full recovery. In conclusion, although there were no differences in the primary analysis, HN019 is well tolerated and improves BMF in adults with low stool frequency. PMID- 29227176 TI - Metabolomics Approach in the Study of the Well-Defined Polyherbal Preparation Zyflamend. AB - Zyflamend is a highly controlled blend of 10 herbal extracts that synergistically impact multiple cell signaling pathways with anticancer and anti-inflammatory properties. More recently, its effects were shown to also modify cellular energetics, for example, activation of fatty acid oxidation and inhibition of lipogenesis. However, its general metabolic effects in vivo have yet to be explored. The objective of this study was to characterize the tissue specific metabolomes in response to supplementation of Zyflamend in mice, with a comparison of equivalent metabolomics data generated in plasma from humans supplemented with Zyflamend. Because Zyflamend has been shown to activate AMPK, the "energy sensor" of the cell, in vitro, the effects of Zyflamend on adiposity were also tested in the murine model. C57BL/6 mice were fed diets that mimicked the macro- and micronutrient composition of the U.S. diet with and without Zyflamend supplementation at human equivalent doses. Untargeted metabolomics was performed in liver, skeletal muscle, adipose, and plasma from mice consuming Zyflamend and in plasma from humans supplemented with Zyflamend at an equivalent dose. Adiposity in mice was significantly reduced in the Zyflamend-treated animals (compared with controls) without affecting body weight or weight gain. Based on KEGG pathway enrichment, purine and pyrimidine metabolism (potential regulators of AMPK) were particularly responsive to Zyflamend across all tissues, but only in mice. Consistent with the metabolomics data, Zyflamend activated AMPK and inhibited acetyl CoA-carboxylase in adipose tissue, key regulators of lipogenesis. Zyflamend reduces adipose tissue in mice through a mechanism that likely involves the activation of AMPK. PMID- 29227177 TI - Immunogenicity and safety of inactivated chromatographically purified Vero cell derived Japanese encephalitis vaccine in Thai children. AB - : Inactivated mouse-brain-derived Japanese encephalitis vaccine has a worrisome safety profile and the live attenuated vaccine is unsuitable in immunodeficiency. This study aimed to evaluate the immunogenicity and safety of an inactivated chromatographically purified Vero-cell-derived JE vaccine (CVI-JE, Beijing P-3 strain) in children. 152 healthy Thai children, with an average (SD) age of 14.4 (3.8) months, received 3 doses of CVI-JE on days 0, 7-28, and one year. Homologous JE neutralizing antibody titers (NT) were measured. All subjects had seroprotection [geometric mean titer (GMT) 150] 28 days' post 2nd vaccination. The seroprotection rates at 1 year after primary series and and 1 month after the booster were 89.3% (GMT 49) and 100% (GMT 621), respectively. Local and systemic reactions-fever (17.6%), vomiting (8%), and poor appetite (5.3%)-were noted within 28 days' post-vaccination. All these symptoms were self-limited. CONCLUSIONS: CVI-JE is safe, immunogenic, and provided high NT. PMID- 29227178 TI - Neuronal pathophysiology featuring PrPC and its control over Ca2+ metabolism. AB - Calcium (Ca2+) is an intracellular second messenger that ubiquitously masters remarkably diverse biological processes, including cell death. Growing evidence substantiates an involvement of the prion protein (PrPC) in regulating neuronal Ca2+ homeostasis, which could rationalize most of the wide range of functions ascribed to the protein. We have recently demonstrated that PrPC controls extracellular Ca2+ fluxes, and mitochondrial Ca2+ uptake, in neurons stimulated with glutamate (De Mario et al., J Cell Sci 2017; 130:2736-46), suggesting that PrPC protects neurons from threatening Ca2+ overloads and excitotoxicity. In light of these results and of recent reports in the literature, here we review the connection of PrPC with Ca2+ metabolism and also provide some speculative hints on the physiologic outcomes of this link. In addition, because PrPC is implicated in neurodegenerative diseases, including prion disorders and Alzheimer's disease, we will also discuss possible ways by which disruption of PrPC-Ca2+ association could be mechanistically connected with these pathologies. PMID- 29227180 TI - Removal of the cecum affects intestinal fermentation, enteric bacterial community structure, and acute colitis in mice. AB - The murine cecum is a major site of fermentation of dietary materials, and production of short chain fatty acids (SCFAs). To examine the role that the cecum plays in acute bacterial infection in mice, the cecum was surgically removed, and changes in bacterial communities and production of SCFAs were analyzed relative to surgical sham animals. To incite bacterial colitis, mice were orally challenged with Citrobacter rodentium. The impact of butyrate administered directly into the colon was also examined. Concentrations of SCFAs in feces were substantially lower in mice with an excised cecum. Bacterial communities were also less diverse in cecectomized mice, and densities of major SCFA-producing taxa including bacteria within the Ruminococcaceae and Lachnospiraceae families were reduced. Colonization of the intestine by C. rodentium was not affected by removal of the cecum, and the bacterium equally incited acute colitis in mice with and without a cecum. However, cecectomized mice exhibited lower body weights at later stages of infection indicating an impaired ability to recover following challenge with C. rodentium. Furthermore, removal of the cecum altered immune and inflammatory responses to infection including increased inflammatory markers in the proximal colon (Tnfalpha, Il10, betad1), and heightened inflammatory response in the proximal and distal colon (Ifngamma, Tnfalpha, Relmbeta). Exogenous administration of butyrate was insufficient to normalize responses to C. rodentium in cecectomized mice. The murine cecum plays a critical role in maintaining intestinal health, and the murine cecectomy model may be a useful tool in elucidating key aspects of intestine-pathogen-microbiota interactions. PMID- 29227182 TI - First Report of the Plasmid-Mediated Colistin Resistance Gene mcr-1 in Escherichia coli ST405 Isolated from Wildlife in Bejaia, Algeria. AB - BACKGROUND: The aim of the present study was to screen for the presence of mcr-1 gene in Enterobacteriaceae isolated from Barbary macaques (Macaca sylvanus) in Algeria. MATERIALS AND METHODS: From January to April 2016, a total of 86 fresh stool samples from Barbary macaques were collected in the Toudja forest (Bejaia, Algeria). After isolation, the isolates were identified by matrix-assisted laser desorption and ionization time-of-flight mass spectrometry. Antibiotic susceptibility was determined by disk diffusion method, and minimum inhibitory concentration (MIC) of colistin was determined by E-test. Polymerase chain reaction (PCR) and sequencing were used to identify mcr-1gene. The sequence type (ST) was done using multilocus sequence typing. Phylogenetic groups of Escherichia coli and the presence of virulence genes were determined by PCR. Transfer of mcr-1 and extended-spectrum beta-lactamase genes was assessed by conjugation and transformation experiments. RESULTS: E. coli M076 isolate was found resistant to colistin with a MIC of 4 mg/L and to other antibiotic families, including beta-lactams, aminoglycosides, and fluoroquinolones. PCR and sequencing revealed that this isolate harbored the mcr-1, blaCTX-M-15, blaTEM-1, and qnrB19 genes. This isolate was assigned to ST405, belonged to phylogroup D, and contains only one virulence gene fyuA (siderophore uptake receptor). Neither transconjugants nor transformants were obtained for this isolate. CONCLUSION: In this study, we report the detection of mcr-1 gene producing E. coli from wild animals. PMID- 29227181 TI - Effects of fuel components and combustion particle physicochemical properties on toxicological responses of lung cells. AB - The physicochemical properties of combustion particles that promote lung toxicity are not fully understood, hindered by the fact that combustion particles vary based on the fuel and combustion conditions. Real-world combustion-particle properties also continually change as new fuels are implemented, engines age, and engine technologies evolve. This work used laboratory-generated particles produced under controlled combustion conditions in an effort to understand the relationship between different particle properties and the activation of established toxicological outcomes in human lung cells (H441 and THP-1). Particles were generated from controlled combustion of two simple biofuel/diesel surrogates (methyl decanoate and dodecane/biofuel-blended diesel (BD), and butanol and dodecane/alcohol-blended diesel (AD)) and compared to a widely studied reference diesel (RD) particle (NIST SRM2975/RD). BD, AD, and RD particles exhibited differences in size, surface area, extractable chemical mass, and the content of individual polycyclic aromatic hydrocarbons (PAHs). Some of these differences were directly associated with different effects on biological responses. BD particles had the greatest surface area, amount of extractable material, and oxidizing potential. These particles and extracts induced cytochrome P450 1A1 and 1B1 enzyme mRNA in lung cells. AD particles and extracts had the greatest total PAH content and also caused CYP1A1 and 1B1 mRNA induction. The RD extract contained the highest relative concentration of 2-ring PAHs and stimulated the greatest level of interleukin-8 (IL-8) and tumor necrosis factor alpha (TNFalpha) cytokine secretion. Finally, AD and RD were more potent activators of TRPA1 than BD, and while neither the TRPA1 antagonist HC-030031 nor the antioxidant N-acetylcysteine (NAC) affected CYP1A1 or 1B1 mRNA induction, both inhibitors reduced IL-8 secretion and mRNA induction. These results highlight that differences in fuel and combustion conditions affect the physicochemical properties of particles, and these differences, in turn, affect commonly studied biological/toxicological responses. PMID- 29227183 TI - Factors Associated with Medical Doctors' Intentions to Discriminate Against Transgender Patients in Kuala Lumpur, Malaysia. AB - PURPOSE: Transgender people are frequent targets of discrimination. Discrimination against transgender people in the context of healthcare can lead to poor health outcomes and facilitate the growth of health disparities. This study explores factors associated with medical doctors' intentions to discriminate against transgender people in Malaysia. METHODS: A total of 436 physicians at two major university medical centers in Kuala Lumpur, Malaysia, completed an online survey. Sociodemographic characteristics, stigma-related constructs, and intentions to discriminate against transgender people were measured. Bivariate and multivariate linear regression were used to evaluate independent covariates of discrimination intent. RESULTS: Medical doctors who felt more fearful of transgender people and more personal shame associated with transgender people expressed greater intention to discriminate against transgender people, whereas doctors who endorsed the belief that transgender people deserve good care reported lower discrimination intent. Stigma-related constructs accounted for 42% of the variance and 8% was accounted for by sociodemographic characteristics. CONCLUSIONS: Constructs associated with transgender stigma play an important role in medical doctors' intentions to discriminate against transgender patients. Development of interventions to improve medical doctors' knowledge about and attitudes toward transgender people are necessary to reduce discriminatory intent in healthcare settings. PMID- 29227184 TI - Curing of [PSI+] by Hsp104 Overexpression: Clues to solving the puzzle. AB - The yeast [PSI+] prion, which is the amyloid form of Sup35, has the unusual property of being cured not only by the inactivation of, but also by the overexpression of Hsp104. Even though this latter observation was made more than two decades ago, the mechanism of curing by Hsp104 overexpression has remained controversial. This question has been investigated in depth by our laboratory by combining live cell imaging of GFP-labeled Sup35 with standard plating assays of yeast overexpressing Hsp104. We will discuss why the curing of [PSI+] by Hsp104 overexpression is not compatible with a mechanism of either inhibition of severing of the prion seeds or asymmetric segregation of the seeds. Instead, our recent data (J. Biol. Chem. 292:8630-8641) indicate that curing is due to dissolution of the prion seeds, which in turn is dependent on the trimming activity of Hsp104. This trimming activity decreases the size of the seeds by dissociating monomers from the fibers, but unlike Hsp104 severing activity, it does not increase the number of prion seeds. Finally, we will discuss the other factors that affect the curing of [PSI+] by Hsp104 overexpression and how these factors may relate to the trimming activity of Hsp104. PMID- 29227185 TI - Alternative Drug Delivery for Patients Undergoing Cataract Surgery as Demonstrated in a Canine Model. AB - PURPOSE: (1) To determine ketorolac concentrations in selected ocular tissues following the intracameral administration of phenylephrine and ketorolac injection 1%/0.3% (OMIDRIA(r)) delivered in irrigation solution during lens replacement surgery in beagle dogs. (2) To compare the ketorolac initial dose and resultant concentrations from the above study to those achieved in aqueous and vitreous by topical administration in patients undergoing cataract surgery or vitrectomy, respectively. METHODS: Lens replacement surgery with phacoemulsification was performed in 20 female beagle dogs. A fixed combination of phenylephrine and ketorolac injection 1%/0.3% was diluted 125-fold into the balanced salt solution and delivered intracamerally during the phacoemulsification procedure. Ketorolac concentration was determined by liquid chromatography/mass spectrometry. RESULTS: Concentrations of ketorolac when administered by the intracameral route in the dosing solution in dogs were found to be considerably higher in both aqueous and vitreous compared to what is achieved with topical dosing in patients. CONCLUSIONS: Adequate therapeutic concentrations of ketorolac in aqueous and vitreous humor were achieved even at 10 h postdose. Critical concentrations in the aqueous that envelopes the iris/ciliary body, which are sites of prostaglandin E2 synthesis, and the vitreous are not achieved by topical dosing in clinical studies after the surgery, but are by direct intracameral dosing as determined in this study. Based on these studies and clinical data, phenylephrine and ketorolac injection 1%/0.3% delivered during surgery as an irrigation solution may preclude the need for topically administered pre- and postoperative NSAIDs. PMID- 29227186 TI - Diversity of CTX-M Extended-Spectrum beta-Lactamases in Escherichia coli Isolates from Retail Raw Ground Beef: First Report of CTX-M-24 and CTX-M-32 in Algeria. AB - The aim of this study was to investigate the prevalence and molecular features of extended-spectrum cephalosporin resistance in Escherichia coli isolates contaminating ground beef at retail in Algeria. Of 371 ground beef samples, 27.5% were found to contain cefotaxime-resistant E. coli isolates distributed into A (24.5%), B1 (60.8%), and D (14.7%) phylogroups. A rate of 88.2% of isolates had a multidrug-resistance phenotype. All strains were producers of CTX-M type extended spectrum beta-lactamases (ESBLs): CTX-M-1, CTX-M-3, CTX-M-14, CTX-M-15, CTX-M-24, or CTX-M-32. Conjugation assays allowed the transfer of blaCTX-M-1 in association with IncI1 plasmids, blaCTX-M-15 with IncI1 and IncK+B/O plasmids, blaCTX-M-3 with IncK plasmids, and blaCTX-M-14 with IncF1B or IncK plasmids. Sequence analysis of gyrA and parC genes showed mutations in 98.6% of ciprofloxacin resistant isolates. The patterns "GyrA: S83L+D87N, ParC: S80I" (46.5%) and "ParC: S80I" (42.3%) were predominant. qnrS1, qnrB, and aac(6')-Ib-cr were detected in 18.7% of isolates. The tet genes, tetA, tetB, and tetA+tetB, were present in 95.7% of tetracycline-resistant isolates. The sul genes (sul1, sul2, sul3, sul1+sul2, sul2+sul3, and sul1+sul3) and the dfr gene clusters (dfrA1, dfrA5, dfrA7, dfrA8, dfrA12, dfrA5+dfrA12, dfrA1+dfrA5, dfrA7+dfrA12, dfrA5+dfrA7, and dfrA1+dfrA5+dfrA7) were found in 96.4% and 85.5% of sulfamethoxazole/trimethoprim resistant isolates, respectively. Classes 1 and 2 integrons were detected in 67.6% and 9.8% of isolates, respectively. This study highlighted the significant presence of resistance genes, in particular those of CTXM ESBLs, in the beef meat, with the risk of their transmission to humans through food chain. PMID- 29227187 TI - Laparoscopic Sleeve Gastrectomy: Endoscopic Findings and Gastroesophageal Reflux Symptoms at 18-Month Follow-Up. AB - INTRODUCTION: Laparoscopic sleeve gastrectomy (LSG) has shown excellent results in terms of weight loss and resolution of comorbidities. Despite that, the effect of LSG on gastroesophageal reflux disease (GERD) is still a controversial topic. Our objective was to evaluate the presence of gastroesophageal reflux symptoms, erosive esophagitis (EE), and hiatal hernia (HH) in obese patients undergoing LSG. METHODS: Prospective observational study. LSG patients were studied before and at 18-month follow-up. Demographics, anthropometrics, status of comorbidities, perioperative data, GERD symptoms, and esophagogastroduodenoscopy (EGD) findings were evaluated. RESULTS: Between June 2012 and July 2014, 285 patients underwent LSG. Pre- and postoperative data were available in 109 patients; therefore, they were included in the study. There were 72 women (66%), age 40 +/- 9 years. Preoperative body mass index (BMI) was 47.8 +/- 16 kg/m2. At 18-month follow-up, body mass index and percentage excess weight loss were 29.3 +/- 6 kg/m2 and 64% +/- 9.4%, respectively. Resolution/improvement of comorbidities was as follows: diabetes 73%, hypertension 57.5%, and obstructive sleep apnea 89%. GERD symptoms increased from 33% to 44% (P = no statistical significance), EE from 20.1% (100% grade A) to 33.9% (74% grade A) (P < .001), and HH from 22% to 34.8% (P < .001). Postoperative findings on symptomatic patients were as follows: EE was found in 64.5%, HH in 23%, while 12.5% had normal EGD. There was a significant association between manifestation of GERD symptoms and the presence of EE on EGD (P < .05). Symptoms de novo were observed in 36.9% of patients, EE in 28.7%, and HH in 16.4%. Complication rate was 3.5%; there was no mortality. CONCLUSION: The prevalence of GERD symptoms, EE, and HH was increased after LSG. At 18-month follow-up, severity of esophagitis was mild, the majority of them being Grade A esophagitis. There was good correlation between manifestation of GERD symptoms and the presence of EE on EGD. PMID- 29227188 TI - Clinical Strains of Chryseobacterium and Elizabethkingia spp. Isolated from Pediatric Patients in a University Hospital: Performance of MALDI-TOF MS-Based Identification, Antimicrobial Susceptibilities, and Baseline Patient Characteristics. AB - Our objective was to evaluate the performance of matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) for identification of the Chryseobacterium and Elizabethkingia spp. isolated from pediatric patients at Hacettepe University Hospital using 16S rRNA gene sequencing as the gold standard and to determine the antimicrobial susceptibility patterns of the isolates and baseline characteristics of patients. All stored Chryseobacterium and Elizabethkingia spp. isolated from various clinical specimens (sputum, blood, and urine) of pediatric patients at Hacettepe University Hospital between 2012 and 2016 were included in this study. Minimum inhibitory concentrations of 10 antimicrobial agents were determined by Etest for all isolates. To determine the baseline characteristics of patients, medical records of all patients were retrospectively reviewed. In total, 18 isolates of Chryseobacterium spp. (16 C. indologenes, 2 C. gleum) and 5 isolates of Elizabethkingia spp. (3 E. meningoseptica, 2 E. anophelis) were identified by 16S rRNA sequencing. MALDI-TOF MS correctly identified 19 (82.6%) isolates to the species level. The quinolones (ciprofloxacin and levofloxacin), trimethoprim/sulfamethoxazole and piperacillin/tazobactam showed the highest spectrum of activity against the overall collection of isolates. Cystic fibrosis (CF) was the underlying disease in 81.8% of patients. To our knowledge, this study includes the largest number of Chryseobacterium spp. isolated from clinical specimens of pediatric patients in Turkey. In this study, we also report the first clinical isolate of E. anophelis in Turkey. Since, the majority of strains were isolated from patients with CF; larger, prospective clinical studies are needed to establish whether chryseobacteria could be considered as an emerging opportunistic pathogen in patients with CF. PMID- 29227189 TI - Plant molecular responses to the elevated ambient temperatures expected under global climate change. AB - Environmental temperatures affect plant distribution, growth, and development. The Intergovernmental Panel on Climate Change (IPCC) predicts that global temperatures will rise by at least 1.5 degrees C by the end of this century. Global temperature changes have already had a discernable impact on agriculture, phenology, and ecosystems. At the molecular level, extensive literature exists on the mechanism controlling plant responses to high temperature stress. However, few studies have focused on the molecular mechanisms behind plant responses to mild increases in ambient temperature. Previous research has found that moderately higher ambient temperatures can induce hypocotyl elongation and early flowering. Recent evidence demonstrates roles for the phytohormones auxin and ethylene in adaptive growth of plant roots to slightly higher ambient temperatures. PMID- 29227190 TI - Determination of propineb and its metabolites propylenethiourea and propylenediamine in banana and soil using gas chromatography with flame photometric detection and LC-MS/MS analysis. AB - A sensitive and specific method for the determination of propineb and its metabolites, propylenethiourea (PTU) and propylenediamine (PDA), using gas chromatography with flame photometric detection (GC-FPD) and LC-MS/MS was developed and validated. Propineb and its metabolite residue dynamics in supervised field trials under Good Agricultural Practice (GAP) conditions in banana and soil were studied. Recovery of propineb (as CS2), PDA and PTU ranged from 75.3 to 115.4% with RSD (n = 5) of 1.3-11.1%. The limit of quantification (LOQ) of CS2, PDA and PTU ranged from 0.005 to 0.01 mg kg-1, and the limit of detection (LOD) ranged from 0.0015 to 0.0033 mg kg-1. Dissipation experiments showed that the half-life of propineb in banana and soil ranged from 4.4 to 13.3 days. PTU was found in banana with a half-life of 31.5-69.3 days, while levels of PDA were less than 0.01 mg kg-1 in banana and soil. It has been suggested that PTU is the major metabolite of propineb in banana. The method was demonstrated to be reliable and sensitive for the routine monitoring of propineb and its metabolites in banana and soil. It also serves as a reference for the detection and monitoring of dithiocarbamates (DTCs) residues and the evaluation of their metabolic pathway. PMID- 29227191 TI - Racemic, R-, and S-tebuconazole altered chitinase and chitobiase activity of Daphnia magna. AB - Tebuconazole is a chiral trizole fungicide and widely used in many crops for controlling disease. Tebuconazole is potential toxic to some aquatic organisms but relative information of its isomers is scarce. To detect the endocrine disrupting effects and difference of rac-, R-, and S-tebuconazole, the chitinase activity in Daphnia magna and chitobiase activity in each test medium were used as biomonitors after a 14-day exposure. Results showed that chitinase activity was significantly reduced by rac-, R-, and S-tebuconazole. The chitobiase activity in the test medium was reduced by rac- and R-tebuconazole before day 10, and only one peak was observed at day 10 or day 12 compared with two obvious peaks in the control group (days 6 and 12). S-tebuconazole delayed and reduced the reproduction of D. magna, but did not delay the first chitobiase activity peak, whereas the second peak could not be characterized as the exposure concentration and time increased. Compared with chitinase activity, chitobiase activity can still be used as a rudimentary model for identifying molt interfering xenobiotics, and further studies should focus on the analysis of correlations between these parameters. PMID- 29227192 TI - Coiled-coil motif in LBD16 and LBD18 transcription factors are critical for dimerization and biological function in arabidopsis. AB - The LATERAL ORGAN BOUNDARIES (LOB) DOMAIN (LBD) gene family members encode a class of plant-specific transcription factors that play important roles in many different aspects of plant growth and development. The LBD proteins contain a conserved LOB domain harboring a Leu zipper-like coiled-coil motif, which has been predicted to mediate protein-protein interactions among the LBD family members. Dimerization of transcription factors is crucial for the modulation of their DNA-binding affinity, specificity, and diversity, contributing to the transcriptional regulation of distinct cellular and biological responses. Our various molecular and biochemical experiments with genetic approaches on LBD16 and LBD18, which are known to control lateral root development in Arabidopsis, demonstrated that the conserved Leu or Val residues in the coiled-coil motifs of these transcription factors are critical for their dimerization as well as the transcriptional regulation to display their biological functions during lateral root formation. We further showed that beside the coiled-coil motif, the carboxyl terminal region in LBD18 acts as an additional dimerization domain. These findings provide a molecular framework for the homo- and hetero-dimerization of the LBD family proteins for displaying their distinct and diverse biological functions in plants. PMID- 29227194 TI - TOR signaling downregulation increases resistance to the cereal killer Fusarium graminearum. AB - TOR is the master regulator of growth and development that senses energy availability. Biotic stress perturbs metabolic and energy homeostasis, making TOR a good candidate to participate in the plant response. Fusarium graminearum (Fusarium) produces important losses in many crops all over the world. To date, the role of TOR in Fusarium infection has remained unexplored. Here, we show that the resistance to the pathogen increases in different Arabidopsis mutants impaired in TOR complex or in wild-type plants treated with a TOR inhibitor. We conclude that TOR signaling is involved in plant defense against Fusarium. PMID- 29227195 TI - A New Method for Laparoscopic Stamm Gastrostomy. AB - BACKGROUND/OBJECTIVE: Many methods of laparoscopic gastrostomy have been described, but in the majority of these, purse-string sutures and fixation of the stomach to the abdominal wall are not performed simultaneously. In this study, we aim to present a new laparoscopic gastrostomy tube (GT) placement method developed in accordance with the classical Stamm method. MATERIALS AND METHODS: Intracorporeal purse-string suture is placed at the anterior wall of the stomach where the GT is intended to be placed. While purse-string sutures are being placed, in each bite, the needle is passed through from a loop thread prepared by extracorporeal and the two threads are suspended outside. The stomach is punctured with the hook cautery, the GT is inserted, and both threads are knotted outside the abdomen. RESULTS: We prospectively placed GT by using our method in 16 patients with an average age of 5 years and most of them with neurological developmental delay. Fundoplication was performed in most of the cases in the same session. No complications were encountered. CONCLUSIONS: Our method is a feasible approach for GT placement by the purse-string suturing and the fixation of the stomach to the abdominal wall without extending the port incision. PMID- 29227193 TI - DDX5/p68 associated lncRNA LOC284454 is differentially expressed in human cancers and modulates gene expression. AB - Long non-coding RNAs (lncRNAs) are emerging as important players in regulation of gene expression in higher eukaryotes. DDX5/p68 RNA helicase protein which is involved in splicing of precursor mRNAs also interacts with lncRNAs like, SRA and mrhl, to modulate gene expression. We performed RIP-seq analysis in HEK293T cells to identify the complete repertoire of DDX5/p68 interacting transcripts including 73 single exonic (SE) lncRNAs. The LOC284454 lncRNA is the second top hit of the list of SE lncRNAs which we have characterized in detail for its molecular features and cellular functions. The RNA is located in the same primary transcript harboring miR-23a~27a~24-2 cluster. LOC284454 is a stable, nuclear restricted and chromatin associated lncRNA. The sequence is conserved only in primates among 26 different species and is expressed in multiple human tissues. Expression of LOC284454 is significantly reduced in breast, prostate, uterus and kidney cancer and also in breast cancer cell lines (MCF7 and T47D). Global gene expression studies upon loss and gain of function of LOC284454 revealed perturbation of genes related to cancer-related pathways. Focal adhesion and cell migration pathway genes are downregulated under overexpression condition, and these genes are significantly upregulated in breast cancer cell lines as well as breast cancer tissue samples suggesting a functional role of LOC284454 lncRNA in breast cancer pathobiology. PMID- 29227196 TI - Immunotherapeutics for the treatment of prostate cancer: a patent landscape based on key therapeutic mechanisms of actions. AB - The area of immunotherapeutics for the treatment of metastatic castrate-resistant prostate cancer has made significant progress since the autologous cell-based vaccine sipuleucel T became the first and to date only immunotherapy for its treatment. This review focuses on a broad patent landscaping exercise of this therapeutic area and considers if basing this landscaping on key mechanisms of action is appropriate to elicit the main patenting trends. PMID- 29227197 TI - Moderating Factors in Tissue Tonometry and Bioimpedance Spectroscopy Measures in the Lower Extremity of Healthy Young People in Australia and Myanmar. AB - BACKGROUND: Expected values for tissue tonometry and bioimpedance spectroscopy (BIS) in the lower extremity of young people have not been established. These measures are commonly used to assess tissue changes in adult, breast cancer related lymphedema of the arm. In tropical regions, identification of tissue changes in the lower limbs related to lymphatic filariasis is required; hence expected values and factors contributing to variation in tissue tonometry and BIS in two tropical populations were investigated. METHODS AND RESULTS: A convenience sample of healthy volunteers aged 8-21 in Myanmar and Australia was recruited. Tissue compressibility at the calf and anterior and posterior thigh was measured using three tonometry devices and free fluid in each leg was assessed using BIS. Data were collected about possible modifiers: leg dominance, age, gender, body mass index (BMI), hydration, and menstrual cycle. Paired t-test and linear regression compared the objective measures with possible modifiers within each population. Statistical significance was set at p < 0.05 with a 95% confidence interval. In Myanmar, increases in free fluid, tissue compressibility, and limb circumference were associated with being older, female, underweight, or in the second half of the menstrual cycle. In young Australians, increases in tissue compressibility and limb circumference were associated with being older or in the second half of the menstrual cycle. CONCLUSION: When assessing tissue compressibility and free fluid in young people using tonometry and gender, BIS, limb dominance and BMI should be considered in a local context and attempts should be made to minimize the potential influences of hydration and the female menstrual cycle. PMID- 29227198 TI - Novel platinum compounds and nanoparticles as anticancer agents. AB - Since the approval of cisplatin in 1979, platinum-based drugs have been regularly used in cancer chemotherapy as a first-line treatment or with the combination of other nonplatinum drugs. Subsequent approval of second- and third-generation drugs such as carboplatin and oxaliplatin respectively, has widened the therapeutic achievement of platinum compounds. There are few other platinum drugs approved recently and many other new drugs as well as the formulations of the old ones are going through clinical trials now. Considering the astonishing achievement of these drugs, analyses on the overall scenario of the patent applications on platinum compounds have become the priority to the scientific community. This review summarizes the published patent applications on the novel platinum anticancer compounds from 2012 to 2017 (August). PMID- 29227199 TI - Two-Step Irradiance Treatment Can Achieve Excellent Pain Control During Red Light 5-Aminolevulinic Acid Photodynamic Therapy for Actinic Keratoses. AB - OBJECTIVE: To evaluate the ability of two-step irradiance to maintain pain control during red light 5-aminolevulinic acid (ALA) photodynamic therapy (PDT) for actinic keratoses (AK) and assess factors influencing pain. BACKGROUND: PDT provides excellent clinical and cosmetic results in the treatment AK and early basal cell carcinomas (BCC). Widespread use of PDT is limited, in part, by pain. A two-step irradiance method for PDT has previously been shown to significantly reduce PDT-associated pain during the treatment of BCC, but the ability of this method to limit pain during the treatment of AKs has not been reported. METHODS: We performed a retrospective chart review to assess the level of pain during AK treatment by red light PDT (n = 99). Natural density filter was used to reduce the irradiance of the light source and initially 10 J/cm2 dose was delivered at 35 mW/cm2 and then, 65 J/cm2 dose was delivered at 70 mW/cm2. Pain level was measured using a 10-point visual analog scale at three points during the procedure. RESULTS: Pain was low to moderate in most patients (mean +/- standard error of the mean pain score: 2.35 +/- 0.19). Higher pain was seen midprocedure versus at the beginning (p < 0.0001) and at the end (p = 0.003) of PDT. There was no significant difference in pain perception between genders and different treatment areas. CONCLUSIONS: Our results provide evidence that red light ALA PDT of AKs is very well tolerated with the two-step irradiance protocol. PMID- 29227200 TI - Telepsychiatry for Children and Adolescents: A Review of the PROMETTED Project. AB - BACKGROUND: Telemedicine for children and adolescents is a public health topic, and since 2009 in France, the legal framework defines practical modalities. Some children with Attention Deficit with or without Hyperactivity Disorder, social anxiety, or Autism Spectrum Disorder (ASD) can be easily engaged within a teleconsultation model. Literature suggests new opportunities to facilitate the care process for the ASD person and his family: diagnosis with the use of validated instruments and parental accompaniment. METHODS: Since 2015, a pilot project called PROMETTED was supported by the Regional Health Agency of Ile de France. It was developed and managed by the team of the Center for Diagnosis and Evaluation for Autism (CDEA) of Sainte-Anne Hospital and associated PEDIATED, the CDEA of Versailles. RESULTS: Five medico-social structures for children and adolescents with ASD and the two CDEAs co-elaborated a scheme of intervention with telemedicine. The remote evaluation is a four-step process structured around the medical history and the observation of the young subject; the Autism Diagnostic Interview; the use of the Childhood Autism Rating Scale and the Vineland Adaptive Behavior Scales; and feedback to parents. CONCLUSIONS: Medico economic and satisfaction evaluations are in progress. PMID- 29227201 TI - Early Rescue from Acute Severe Clostridium Difficile: A Novel Treatment Strategy. AB - BACKGROUND: Severe Clostridium difficile infections (CDI) can lead to significant impediments to effective treatment. We developed a novel treatment protocol utilizing bedside gastrointestinal lavage (GIL) for the management of patients with severe, complicated CDI. We describe the development and early outcomes of non-operative bedside GIL in hospitalized patients with severe, complicated CDI following the Idea, Development, Exploration, Assessment, Long Term Study (IDEAL) framework at the Idea stage. We compared our results with those of a cohort of patients managed with colectomy. METHODS: We conducted a retrospective cohort study of hospitalized patients with severe, complicated CDI who failed conventional medical therapy and were referred for surgical consultation at two academic tertiary-care hospitals between January 2009 and January 2015. After surgical assessment, the attending surgeon decided to proceed either with bedside GIL or directly to colectomy. Bedside GIL involved nasojejunal tube insertion followed by flushing with 8 L of polyethylene glycol 3350/electrolyte solution over 48 h. Both patient groups received standard medical treatment with vancomycin 500 mg q 6 h enterally and metronidazole 500 mg intravenously three times daily for 14 d. The main outcomes of interest were the incidence of colectomy, complications, and mortality rate. RESULTS: Nineteen and seventeen patients underwent GIL and direct colectomy, respectively. There were no significant differences between the groups in terms of demographics, American Society of Anesthesiologists class, disease severity, need for intensive care unit admission, mechanical ventilation, vasopressor use, serum lactate concentration, or proportion presenting with hypotension, acute kidney injury, or a white blood cell count >16,000/mcL or <4,000/mcL (p > 0.1). The in-hospital mortality rate was 26% (5/19) and 41% (7/17) for the GIL and colectomy groups, respectively (p = 0.35). Only one patient in the GIL group failed the protocol, requiring colectomy. There were no significant differences in complications in the two groups. CONCLUSIONS: Bedside GIL appeared to be safe for the treatment of patients with severe, complicated CDI who had failed conventional medical therapy. It did not appear to increase the risk of morbidity or death compared with the traditional strategy of proceeding directly to colectomy. PMID- 29227202 TI - Challenges of Vaccine Development for Zika Virus. AB - The emergence of outbreaks of Zika virus (ZIKV) in Brazil in 2015 was associated with devastating effects on fetal development and prompted a world health emergency and multiple efforts to generate an effective vaccine against infection. There are now more than 40 vaccine candidates in preclinical development and six in clinical trials. Despite similarities with other flaviviruses to which successful vaccines have been developed, such as yellow fever virus and Japanese Encephalitis virus, there are unique challenges to the development and clinical trials of a vaccine for ZIKV. PMID- 29227203 TI - Therapeutic charm of quercetin and its derivatives: a review of research and patents. AB - Bioactive polyphenolic compounds derived from plants are being utilized for prevention of various chronic diseases including cancer and cardiovascular disorders. Quercetin, a potential poly-phenolic flavonol, found in onions, apples and berries, has been implicated against cancer proliferation, chronic inflammation and various other oxidative manifestations. Evidences suggested that quercetin negatively regulates the numerous crucial signaling pathways associated with life-threatening diseases. Major signaling pathways including NF-kappaB, MAPK, PI3K-AKT and mTOR are found to be regulated by quercetin. In addition, several patents have reported recently on quercetin derivatives describing wide therapeutic applications such as anticancer/antiproliferatory, antioxidative/antiaging, antiviral, anti-inflammatory, cardioprotective. Present review emphasizes the chemistry and sources of quercetin followed by description of its broad-spectrum therapeutic potential along with proposed mechanisms of action. Furthermore, this review also highlights the important modifications in the basic chemical structure of quercetin in terms of published patents. Insolubility of the bioactive compounds restricts their medicinal importance which could be overcome by modifications in the chemical structure of so-called derivatives. Most of the patents deal with the modifications in chemical structure of quercetin mainly at hydroxyl groups and C-6 and C-7 positions. PMID- 29227204 TI - Canada's Supreme Court abolishes 'promise of the patent'. AB - The Supreme Court of Canada has done away with the 'promise of the patent' doctrine. This doctrine invalidated patents to numerous otherwise useful inventions from 2005 to 2016. The Supreme Court of Canada has clarified that the statutory utility requirement requires only a scintilla of utility related to the subject matter of the invention. This utility must have been demonstrated or soundly predicted as of the Canadian filing date. The decision brings increased certainty to Canada's patent system and more closely aligns it with international norms. PMID- 29227205 TI - Sexual violence against men and boys in conflict and forced displacement: implications for the health sector. AB - Sexual violence against men and boys is commonplace in many conflict-affected settings and may be frequent in relation to forced displacement as well. Adolescent boys, forming the majority of unaccompanied minors globally, are a particularly vulnerable group. Yet sensitised health services for adult and adolescent male sexual violence survivors are scarce, and barriers to accessing care remain high. We describe current challenges and gaps in the provision of health care for male survivors in settings affected by conflict and forced displacement, and provide suggestions on how to improve service provision and uptake. PMID- 29227206 TI - Attitudes Toward e-Health: The Otolaryngologists' Point of View. AB - INTRODUCTION: Online communication and the number of e-health applications have noticeably increased. However, little is known about the otolaryngologists' use behavior and their attitudes toward the potential of e-health. The aims of the study were to evaluate the documentation, information, and communication technologies used by otolaryngologists and to get a better understanding of their attitudes toward the potential of e-health for cross-sectoral patient care. METHODS: A survey was developed and tested by otolaryngologists, healthcare information technology experts, and health services researchers. A total of 334 otolaryngologists in private practice were asked to participate in this cross sectional study. In total, 234 of them took part in the study, and 157 returned completed questionnaires. Statistical analysis was performed by using crosstabs, including chi-square tests, and multivariate logistic regressions. Results and Materials: Digital technologies are widely used by otolaryngologists (e.g., 89.6% use an electronic health record). However, the majority of intersectoral communication is still based on analogue techniques (e.g., fax use in 63.7%). From the otolaryngologists' perspectives, the potential of e-health for intersectoral care is mostly in appointment scheduling, further referrals to hospitals, and automated appointment reminders. The physicians' attitudes toward e-health are associated with their Internet use behavior in daily life (odds ratio = 4.30, confidence interval 1.11-16.64, p = 0.035) but not with their demographics. DISCUSSION: The otolaryngologists are well prepared and have an overall positive attitude toward e-health for deeper use in cross-sectoral care. Therefore, e-health in otolaryngology needs more attention and resources for further studies, especially with a focus on quality and safety of care. PMID- 29227207 TI - Photobiomodulation: How Many Sessions and How Often? PMID- 29227208 TI - Zika virus - the glamour of a new illness, the practical abandonment of the mothers and new evidence on uncertain causality. PMID- 29227209 TI - Simultaneous determination of organochlorine and pyrethriod pesticide residues in the Chinese patent medicines by gas chromatography-tandem mass spectrometry. AB - A simple, sensitive, reliable method was developed for the simultaneous determination of organochlorine and pyrethriod pesticide residues in Chinese patent medicines Six ingredient rehmannia pills and Xiaoyao pills. These pesticides were extracted by ethyl acetate. The extraction time and volume of ethyl acetate were optimized. Cleanup of extracts was performed with dispersive solid phase extraction using graphitized carbon black as the sorbent. The determination of pesticides in the final extracts was carried out by gas chromatography-tandem mass spectrometry in multiple reaction monitoring mode (GC MS/MS, MRM). The linearity of the calibration curves is good in matrix-matched standard and yields the coefficients of determination (R2) >=0.99 for all of the target analytes. Under optimized conditions, the average recoveries (five replicates) for most pesticides range from 75.5% to 114.6%, and RSDs are less than 10.0%. The LODs of 18 pesticides in Six ingredient rehmannia pill and Xiaoyao pills are in the range of 0.01-8.82 MUg kg-1. The developed method meets the requirements of pesticide residue analysis and could be effectively used for routine analysis of the organochlorine and pyrethriod pesticide residues in Six ingredient rehmannia pills and Xiaoyao pills. PMID- 29227210 TI - Separate roles for chromatin and lamins in nuclear mechanics. AB - The cell nucleus houses, protects, and arranges the genome within the cell. Therefore, nuclear mechanics and morphology are important for dictating gene regulation, and these properties are perturbed in many human diseases, such as cancers and progerias. The field of nuclear mechanics has long been dominated by studies of the nuclear lamina, the intermediate filament shell residing just beneath the nuclear membrane. However, a growing body of work shows that chromatin and chromatin-related factors within the nucleus are an essential part of the mechanical response of the cell nucleus to forces. Recently, our group demonstrated that chromatin and the lamina provide distinct mechanical contributions to nuclear mechanical response. The lamina is indeed important for robust response to large, whole-nucleus stresses, but chromatin dominates the short-extension response. These findings offer a clarifying perspective on varied nuclear mechanics measurements and observations, and they suggest several new exciting possibilities for understanding nuclear morphology, organization, and mechanics. PMID- 29227211 TI - Babesia Occurrence in Rodents in Relation to Landscapes of Mainland Southeast Asia. AB - The purpose of this study is to investigate the relationships between habitat structure and Babesia spp. occurrence in rodents in mainland Southeast Asia. Of 1439 rodents and insectivores investigated, the protist Babesia was found in only 81 individuals (5.6% of the micromammals investigated) with Babesia microti U.S. type the more prevalent (4.1%), followed by the B. microti Kobe type (1.2%), and by the very rare Babesia BiCM002 (0.04%). We used georeferenced data of rodents analyzed for Babesia infection and land cover maps produced for the seven study sites in Thailand, Cambodia, and Lao PDR, where they were collected. Rodents infected by Babesia were more likely to be found in settlements close to forested areas, which may represent risky place for spillover of Babesia species to humans. PMID- 29227212 TI - Screening for host proteins interacting with Escherichia coli O157:H7 EspF using bimolecular fluorescence complementation. AB - AIM: To screen host proteins that interact with enterohemorrhagic Escherichia coli O157:H7 EspF. MATERIALS & METHODS: Flow cytometry and high-throughput sequencing were used to screen interacting proteins. Molecular function, biological processes and Kyoto Encyclopedia of Genes and Genomes pathways were studied using the DAVID online tool. Glutathione S-transferase pull down and dot blotting were used to verify the interactions. RESULTS: 293 host proteins were identified to associate with EspF. They were mainly enriched in RNA splicing (p = 0.005), ribosome structure (p = 0.012), and involved in 109 types of signaling pathways. SNX9 and ANXA6 were confirmed to interact with EspF. CONCLUSION: EspF interacts with ANXA6; they may form a complex to manipulate the process of phagocytosis; EspF plays a highlighted pathogenic role in enterohemorrhagic E. coli infection process. PMID- 29227214 TI - Human reliability assessment in a 99Mo/99mTc generator production facility using the standardized plant analysis risk-human (SPAR-H) technique. AB - INTRODUCTION: Reducing human error is an important factor for enhancing safety protocols in various industries. Hence, analysis of the likelihood of human error in nuclear industries such as radiopharmaceutical production facilities has become more essential. METHODS: This cross-sectional descriptive study was conducted to quantify the probability of human errors in a 99Mo/99mTc generator production facility in Iran. First, through expert interviews, the production process of the 99Mo/99mTc generator was analyzed using hierarchical task analysis (HTA). The standardized plant analysis risk-human (SPAR-H) method was then applied in order to calculate the probability of human error. RESULTS: Twenty tasks were determined using HTA. All of the eight performance shaping factors (PSFS) were evaluated for the tasks. The mean probability of human error was 0.320. The highest and the lowest probability of human error in the 99Mo/99mTc generator production process, related to the 'loading the generator with the molybdenum solution' task and the 'generator elution' task, were 0.858 and 0.059, respectively. CONCLUSION: Required measures for reducing the human error probability (HEP) were suggested. These measures were derived from the level of PSFS that were evaluated in this study. PMID- 29227213 TI - Productive common light chain libraries yield diverse panels of high affinity bispecific antibodies. AB - The commercial success of bispecific antibodies generally has been hindered by the complexities associated with generating appropriate molecules for both research scale and large scale manufacturing purposes. Bispecific IgG (BsIgG) based on two antibodies that use an identical common light chain can be combined with a minimal set of Fc mutations to drive heavy chain heterodimerization in order to address these challenges. However, the facile generation of common light chain antibodies with properties similar to traditional monoclonal antibodies has not been demonstrated and they have only been used sparingly. Here, we describe the design of a synthetic human antibody library based on common light chains to generate antibodies with biochemical and biophysical properties that are indistinguishable to traditional therapeutic monoclonal antibodies. We used this library to generate diverse panels of well-behaved, high affinity antibodies toward a variety of epitopes across multiple antigens, including mouse 4-1BB, a therapeutically important T cell costimulatory receptor. Over 200 BsIgG toward 4 1BB were generated using an automated purification method we developed that enables milligram-scale production of BsIgG. This approach allowed us to identify antibodies with a wide range of agonistic activity that are being used to further investigate the therapeutic potential of antibodies targeting one or more epitopes of 4-1BB. PMID- 29227216 TI - Front-of-package nutrition references are positively associated with food processing. AB - OBJECTIVE: Foods characterized by a high degree of processing are pervasive in the global food supply and concerns have been raised about their contribution to the escalating burden of diet-related disease. It has been suggested that the dominance of these products relates in part to their aggressive on-package marketing. The purpose of the present study was to assess the relationship between the extent and nature of front-of-package (FOP) nutrition references on products sold in Canadian supermarkets and the level of food processing. DESIGN: FOP references were recorded from all packaged foods. Nutrition references were classified as 'negative' and 'positive' and further differentiated in terms of the use of regulated and unregulated text. Foods were coded for level of processing, using three different classification systems. Logistic and negative binomial regression analyses were conducted to assess associations. SETTING: Three large Toronto supermarkets, from the top Canadian food retailers. SUBJECTS: Packaged foods (n 20 520). RESULTS: Forty-one per cent of products had FOP nutrition references. Irrespective of the classification system considered, the most processed category comprised the greatest proportion of products and nearly half of these bore FOP references. Foods deemed most processed were more likely than less processed products to bear FOP references and regulated and unregulated references to negative ingredients, but they were equally or less likely to bear positive nutrition references, depending on the classification system. CONCLUSIONS: The greater frequency of FOP nutrition references on heavily processed foods raises questions about the extent to which discretionary FOP labelling supports public health efforts to promote healthy eating. PMID- 29227215 TI - Dietary phosphatidylcholine impacts on growth performance and lipid metabolism in adult Genetically Improved Farmed Tilapia (GIFT) strain of Nile tilapia Oreochromis niloticus. AB - This study aimed to determine the effects of supplementing the diet of adult Nile tilapia Oreochromis niloticus with phosphatidylcholine (PC) on growth performance, body composition, fatty acid composition and gene expression. Genetically Improved Farmed Tilapia fish with an initial body weight of 83.1 (sd 2.9) g were divided into six groups. Each group was hand-fed a semi-purified diet containing 1.7 (control diet), 4.0, 6.5, 11.5, 21.3 or 41.0 g PC/kg diet for 68 d. Supplemental PC improved the feed efficiency rate, which was highest in the 11.5 g PC/kg diet. Weight gain and specific growth rate were unaffected. Dietary PC increased PC content in the liver and decreased crude fat content in the liver, viscera and body. SFA and MUFA increased and PUFA decreased in muscle with increasing dietary PC. Cytoplasmic phospholipase A 2 and secreted phospholipase A 2 mRNA expression were up-regulated in the brain and heart in PC-supplemented fish. PC reduced fatty acid synthase mRNA expression in the liver and visceral tissue but increased expression in muscle. Hormone-sensitive lipase and lipoprotein lipase expression increased in the liver with increasing dietary PC. Growth hormone mRNA expression was reduced in the brain and insulin-like growth factor-1 mRNA expression in liver reduced with PC above 6.5 g/kg. Our results demonstrate that dietary supplementation with PC improves feed efficiency and reduces liver fat in adult Nile tilapia, without increasing weight gain, representing a novel dietary approach to reduce feed requirements and improve the health of Nile tilapia. PMID- 29227217 TI - Public Health Nutrition special issue on ultra-processed foods. PMID- 29227218 TI - Association between sequevar and antibiotic treatment outcome in patients with Mycobacterium abscessus complex infections in Japan. AB - PURPOSE: Macrolide susceptibility differs between subspecies in the Mycobacterium abscessus complex, likely due to differences in erm(41) sequevars. Patients with M. abscessus complex infection generally show poor clinical outcomes in response to antibiotic treatment. Here, the association between genotype and treatment outcome was investigated. METHODOLOGY: We collected 69 isolates from 35 patients with non-cystic fibrosis bronchiectasis: 24 had M. abscessus complex lung disease and non-cystic fibrosis bronchiectasis, and 11 were colonized. Outcome analysis was performed in the 24 infected patients. Molecular analyses, including erm(41) and rrl sequencing, and variable-number tandem-repeat (VNTR) analysis of 69 isolates, from 24 infected and 11 colonized patients, were performed to elucidate the influence of genotype on antibiotic susceptibility. RESULTS: Among the 24 patients, 18 (14 infected with M. abscessus subsp. abscessus and 4 with M. abscessus subsp. massiliense) showed unfavourable outcomes; six (three infected with M. abscessus subsp. abscessus and three with M. abscessus subsp. massiliense) exhibited favourable outcomes. Patients with unfavourable outcomes showed acquired clarithromycin resistance (33.3 vs 0 %), mixed sequevars (38.9 vs 16.7 %) and differing VNTR patterns between initial and serial isolates (33.3 vs 16.7 %). In contrast, in the 11 colonized patients, M. abscessus subsp. abscessus C28 (sequevar 02) and M. abscessus subsp. massiliense were the most prevalent subspecies. CONCLUSION: Patients infected with multiple sequevars and genotypes were more likely to exhibit treatment failure and/or recurrence. The precise identification of subspecies and analyses of mycobacterial characteristics may help to predict treatment outcomes in patients with M. abscessus complex lung disease. PMID- 29227220 TI - Taxonomic analyses of members of the Streptomyces cinnabarinus cluster, description of Streptomyces cinnabarigriseus sp. nov. and Streptomyces davaonensis sp. nov. AB - Roseoflavin is the only known riboflavin (vitamin B2) analog with antibiotic properties. It is actively taken up by many micro-organisms and targets flavinmononucleotide riboswitches and flavoproteins. It is described as the product of the tentatively named 'Streptomyces davawensis' JCM 4913. Taxonomic analysis of this strain with a polyphasic approach showed that it is very closely related to Streptomyces cinnabarinus (DSM 40467). The two Streptomyces isolates were obtained from different geographical locations (the Philippines and the Kamchatka Peninsula, respectively), their genomes have been sequenced and the question was whether or not the two isolates were representatives of the same species. As we also worked with another isolate of Streptomyces cinnabarinus JS 360, the producer of the cinnabaramides, we wanted to clarify the taxonomic position of the three isolates by using a polyphasic approach. After analysis of the 16S rRNA gene sequence, we found in total 23 species of the genus Streptomyces that showed a similarity higher than 98.5 % to the three strains. We showed that 'S. davawensis' JCM 4913 and S. cinnabarinus DSM 40467 were very closely related but belong to two different species. Hence, we validate 'S. davawensis' as Streptomyces davaonensis sp. nov. with the type strain JCM 4913T (=DSM 101723T). In addition, the cinnabaramide producer can be clearly differentiated from S. davaonensis and this isolate is described as Streptomyces cinnabarigriseus sp. nov. with strain JS360T (=NCCB 100590T=DSM 101724T) as the type strain. PMID- 29227219 TI - Halorubrum aethiopicum sp. nov., an extremely halophilic archaeon isolated from commercial rock salt. AB - A novel extremely halophilic archaeon, designated SAH-A6T, was isolated from a sample of commercial rock salt in Ethiopia. Cells of SAH-A6T were aerobic and pleomorphic. The strain was able to grow at concentrations of 15-30 % (w/v) NaCl (optimum 20-25 % NaCl), at pH 6.0-9.0 (optimum pH 7.0) and in a temperature range of 30-55 degrees C (optimum 37-45 degrees C). Mg2+ was not required for growth of SAH-A6T cells. On the basis of 16S rRNA gene sequence analysis, strain SAH-A6T was closely related to Halorubrum halodurans Cb34T (99.1 %), Halorubrum rubrum YC87T (98.9 %), Halorubrum aquaticum EN-2T (98.7 %), Halorubrum cibi JCM 15757T (98.4 %), Halorubrum luteum CGSA15T (97.3 %), Halorubrum lipolyticum 9-3T (97.1 %), Halorubrum tibetense 8W8T (97.1 %), Halorubrum kocurii JCM 1478T (97.1 %), Halorubrum halophilum B8T (97.0 %) and Halorubrum persicum C49T (97.0 %). Phylogenetic analysis based on the rpoB' gene sequences showed that strain SAH A6T was closely related to Hrr. halodurans Cb34T (99.7 %), Hrr. aquaticum JCM 14031T (99.3 %) and other members of the genus Halorubrum (<99.0 %). The DNA G+C content of the strain was 68.0 mol%. DNA-DNA hybridization between strain SAH-A6T and the most closely related members of the genus Halorubrum were below 55 %, suggesting that the new isolate constitutes a different genospecies. On the bases of chemotaxonomic, phenotypic and genotypic data, strain SAH-A6T (=KCCM 43215T=JCM 31519T) represents a novel species of the genus Halorubrum, for which the name Halorubrumaethiopicum sp. nov. is proposed. PMID- 29227221 TI - An Alcohol Policy Trifecta: Reduce Alcohol Problems, Save on Health Care, Generate Public Revenues. PMID- 29227223 TI - Close Ranks: Understanding the Relevance of Ethnicity- and Race-Based Alcohol Disparities for Other Marginalized Subpopulations-A Commentary on Zemore et al. (2018). PMID- 29227224 TI - Considerations of Socioeconomic Status as Separate From Race: A Commentary on Zemore et al. (2018). PMID- 29227225 TI - Commentary on Zemore et al. (2018): The Future of Alcohol-Related Health Disparities Research in the United States. PMID- 29227226 TI - An Outstanding Plan of Attack, But How Do We Fund It? A Commentary on Zemore et al. (2018). PMID- 29227222 TI - The Future of Research on Alcohol-Related Disparities Across U.S. Racial/Ethnic Groups: A Plan of Attack. AB - OBJECTIVE: Research suggests striking disparities in alcohol use, problems, and treatment across racial/ethnic groups in the United States. However, research on alcohol-related disparities affecting racial/ethnic minorities remains in its developmental stages. The current article aims to support future research in this growing field by highlighting some of the most important findings, questions, and approaches, focusing on psychosocial research. METHOD: This article advances seven research needs (i.e., questions and topics meriting attention) that we believe are of crucial importance to the field. We draw on the existing literature to illuminate under-explored areas that are highly relevant to health intervention and that complement the field's existing focus. RESULTS: Identified research needs include research that (a) better describes disparities in alcohol related health conditions and their drivers, (b) identifies appropriate screening and brief intervention methods for racial/ethnic minorities, (c) investigates disparities in access to and use of alcohol treatment and support services, (d) examines the comparative efficacy of existing alcohol interventions and develops tailored interventions, (e) explores the impacts of specific alcohol policies across and within racial/ethnic groups, and (f) describes the full spectrum of alcohol-related harms and how and why these may vary across racial/ethnic groups. We also call for (g) continuing research to monitor disparities over time. CONCLUSIONS: This article points to specific strategies for describing, explaining, intervening on, and monitoring some of the most substantial alcohol related disparities. Conclusions outline methods and processes that may be advantageous in addressing these priorities, including the use of longitudinal designs; consideration of life course changes; attention to nontraditional intervention settings; and inclusion of disadvantaged populations in all aspects of research. PMID- 29227228 TI - Back to the Future . . . or . . . Is That All There Is? A Commentary on Courtney et al. (2018). PMID- 29227229 TI - Brain Reward Responses Are Behaviorally Relevant: The Authors Respond. PMID- 29227227 TI - Reward System Activation in Response to Alcohol Advertisements Predicts College Drinking. AB - OBJECTIVE: In this study, we assess whether activation of the brain's reward system in response to alcohol advertisements is associated with college drinking. Previous research has established a relationship between exposure to alcohol marketing and underage drinking. Within other appetitive domains, the relationship between cue exposure and behavioral enactment is known to rely on activation of the brain's reward system. However, the relationship between neural activation to alcohol advertisements and alcohol consumption has not been studied in a nondisordered population. METHOD: In this cross-sectional study, 53 college students (32 women) completed a functional magnetic resonance imaging scan while viewing alcohol, food, and control (car and technology) advertisements. Afterward, they completed a survey about their alcohol consumption (including frequency of drinking, typical number of drinks consumed, and frequency of binge drinking) over the previous month. RESULTS: In 43 participants (24 women) meeting inclusion criteria, viewing alcohol advertisements elicited activation in the left orbitofrontal cortex and bilateral ventral striatum-regions of the reward system that typically activate to other appetitive rewards and relate to consumption behaviors. Moreover, the level of self-reported drinking correlated with the magnitude of activation in the left orbitofrontal cortex. CONCLUSIONS: Results suggest that alcohol cues are processed within the reward system in a way that may motivate drinking behavior. PMID- 29227230 TI - Erosion of State Alcohol Excise Taxes in the United States. AB - OBJECTIVE: In the United States, excessive alcohol consumption is responsible for 88,000 deaths annually and cost $249 billion, or $2.05 per drink, in 2010. Specific excise taxes, the predominant form of alcohol taxation in the United States, are based on the volume of alcohol sold rather than a percentage of price and can thus degrade over time because of inflation. The objective of this study was to describe changes in inflation-adjusted state alcohol excise taxes on a beverage-specific basis. METHOD: State-level data on specific excise taxes were obtained from the Alcohol Policy Information System and the Tax Foundation. Excise tax rates were converted into the tax per standard U.S. drink (14 g of ethanol) for beer, wine, and distilled spirits, and converted into 2015 dollars using annual Consumer Price Index data. RESULTS: Across U.S. states, the average state alcohol excise tax per drink in 2015 was $0.03 for beer, $0.05 for distilled spirits, and $0.03 for wine. From 1991 to 2015, the average inflation adjusted (in 2015 dollars) state alcohol excise tax rate declined 30% for beer, 32% for distilled spirits, and 27% for wine. Percentage declines in state excise taxes since their inception were more than twice as large as those from 1991 to 2015. CONCLUSIONS: In 2015, average state specific excise taxes were $0.05 or less per standard drink across all beverage types and have experienced substantial inflation-adjusted declines. PMID- 29227231 TI - Alcohol Policy Relevant Indicators and Alcohol Use Among Adolescents in Latin America and the Caribbean. AB - OBJECTIVE: This study assessed four alcohol policy indicators and their associations with adolescent alcohol use in Latin America and the Caribbean. METHOD: A secondary data analysis of nationally representative, cross-sectional data sets (years 2007-2013) from 26 Latin American and Caribbean countries was performed (N = 55,248 13- to 15-year-old students). Logistic regression models were used to analyze associations between alcohol policy relevant indicators and alcohol use, adjusting for the country and demographic variables. RESULTS: In all countries, at least 20% of the students were exposed to alcohol advertisements daily or almost daily, which was associated with a twofold increased risk of current alcohol use and at least monthly heavy drinking. Obtaining alcohol from a shop was associated with a nearly threefold increased risk of at least monthly heavy drinking compared with obtaining alcohol from home, which was the most common way to obtain alcohol. Being denied from purchasing retail alcohol was associated with a decreased risk of at least monthly heavy drinking. About 27% to 53% of the students who had tried to purchase alcohol had been denied. One in four students reported exposure to drink driving in the past 30 days. CONCLUSIONS: Deficits in alcohol policy indicators were identified in a number of countries. Improving implementation and enforcement of alcohol policies could reduce alcohol use and related burden among adolescents in a number of Latin American and Caribbean countries. PMID- 29227232 TI - Alcohol Consumption and the Physical Availability of Take-Away Alcohol: Systematic Reviews and Meta-Analyses of the Days and Hours of Sale and Outlet Density. AB - OBJECTIVE: Systematic reviews and meta-analyses were completed studying the effect of changes in the physical availability of take-away alcohol on per capita alcohol consumption. Previous reviews examining this topic have not focused on off-premise outlets where take-away alcohol is sold and have not completed meta analyses. METHOD: Systematic reviews were conducted separately for policies affecting the temporal availability (days and hours of sale) and spatial availability (outlet density) of take-away alcohol. Studies were included up to December 2015. Quality criteria were used to select articles that studied the effect of changes in these policies on alcohol consumption with a focus on natural experiments. Random-effects meta-analyses were applied to produce the estimated effect of an additional day of sale on total and beverage-specific consumption. RESULTS: Separate systematic reviews identified seven studies regarding days and hours of sale and four studies regarding density. The majority of articles included in these systematic reviews, for days/hours of sale (7/7) and outlet density (3/4), concluded that restricting the physical availability of take-away alcohol reduces per capita alcohol consumption. Meta-analyses studying the effect of adding one additional day of sale found that this was associated with per capita consumption increases of 3.4% (95% CI [2.7, 4.1]) for total alcohol, 5.3% (95% CI [3.2, 7.4]) for beer, 2.6% (95% CI [1.8, 3.5]) for wine, and 2.6% (95% CI [2.1, 3.2]) for spirits. The small number of included studies regarding hours of sale and density precluded meta-analysis. CONCLUSIONS: The results of this study suggest that decreasing the physical availability of take away alcohol will decrease per capita consumption. As decreasing per capita consumption has been shown to reduce alcohol-related harm, restricting the physical availability of take-away alcohol would be expected to result in improvements to public health. PMID- 29227234 TI - Could You Buy Me a Beer? Measuring Secondary Supply of Alcohol in Dutch On Premise Outlets. AB - OBJECTIVE: Alcohol is largely available for Dutch minors through on-premise secondary supply, which occurs when an adult furnishes an alcoholic drink to a minor in an on-premise outlet. Vendors allowing this secondary supply on their premises are in violation of the Dutch Licensing and Catering Act (legal age limit is 18 years old for the sale and possession of alcohol). Using existing mystery shopping protocols as a standard, our study objective was the development and field testing of a novel procedure, measuring vendors' compliance with secondary supply. METHOD: Using a newly developed mystery shopping procedure, transfers of alcohol between young adult buyers and minors were staged in 109 Dutch on-premise outlets (cafes and bars) to measure vendors' compliance with secondary supply. RESULTS: In accordance with the Dutch Licensing and Catering Act, 29% of the vendors disallowed the secondary supply of alcohol to minors (32 of 109 attempts). During 40 attempts (of 109 attempts; 37%), the vendor asked for the identification document (ID) of the minor. Compliance after the ID was requested was 80% (32 of 40 attempts). During 8 attempts (20%), the minors were served even after the ID of the minor was requested. CONCLUSIONS: Mystery shopping is a suitable methodology for measuring compliance with secondary supply. Results show that alcohol is largely available for Dutch minors through secondary supply. Governments that intend to formulate and evaluate enforcement policies aimed at curbing high alcohol availability for minors are advised to use this novel procedure for monitoring compliance and to use these results for agenda setting and benchmarking. PMID- 29227233 TI - Examination of Cross-Sectional Associations of Neighborhood Deprivation and Alcohol Outlet Density With Hazardous Drinking Using a Twin Design. AB - OBJECTIVE: The purpose of this study was to examine whether neighborhood socioeconomic deprivation and alcohol outlet density are associated with hazardous drinking using a co-twin design to control for confounding because of genetic and shared environmental factors. METHOD: The study sample included cross sectional data from 1,996 same-sex adult twin pairs (mean age = 36.6; 65.9% female) from the Washington State Twin Registry. The Singh Index was used to characterize neighborhood social deprivation for participants' census tract of residence. Geocoded alcohol outlet data were used to create a measure of census tract alcohol outlet density. The three-item Alcohol Use Disorders Identification Test-Consumption scale (AUDIT-C) was used to measure the level of hazardous drinking. Poisson mixed-effects models were used to examine associations between neighborhood factors and AUDIT-C score. Covariates included household income, level of education completed, non-White race, sex, and rurality of residence. RESULTS: Accounting for covariates, there was a statistically significant within pair association between neighborhood socioeconomic deprivation and a higher level of hazardous drinking. There was no within-pair association between the density of alcohol outlets and hazardous drinking. Associations did not differ by zygosity. CONCLUSIONS: The socioeconomic conditions of the neighborhood may play an important role in the development of alcohol misuse even after accounting for genetic and shared environmental influences. Twin designs may be a promising complementary approach to investigating the role of neighborhood characteristics on alcohol and substance use. Further research is needed to better understand the ways through which and for whom neighborhood characteristics may influence hazardous drinking. PMID- 29227235 TI - Drinking Motives and Alcohol Use: The SERVe Study of U.S. Current and Former Service Members. AB - OBJECTIVE: Hazardous drinking in the armed forces is a significant problem. Alcohol use motivations, known risk factors for problem drinking, have been underexplored in this population. Our study extends knowledge about drinking motives among current and former U.S. service members and provides recommendations on their utility in identifying alcohol-related problems by examining the factor structure of multidimensional drinking motives and their association to alcohol use. METHOD: Post-9/11 separated service members and current reservists were recruited from 35 Oregon employers to participate in a workplace study of supervisor support. The resulting sample (N = 509; 84% male; mean age = 39) completed a baseline assessment, which included a comprehensive drinking motives assessment. RESULTS: Drinkers comprised 88% of the sample, with a mean Alcohol Use Disorders Identification Test (AUDIT) score of 5.4 (SD = 4.6); 23.9% scored 8 or more. The four-factor structure of the Drinking Motives Questionnaire-Revised, short form (DMQ-R-SF) was affirmed through confirmatory factor analysis. Internal drinking motives related to enhancement (positive) and coping (negative) were most predictive of alcohol use; coping motives were uniquely predictive of alcohol-related problems, when drinking quantity/frequency, as well as psychological distress, were controlled for. Coping motives also mediate the relationship between psychological distress and AUDIT scores. Results thus demonstrated the generalizability of the DMQ-R-SF motives measure for use with separated service members and reservists. CONCLUSIONS: Drinking motives, assessed by the DMQ-R-SF, represent reliable and important predictors of drinking and associated problems among service members. Inclusion of motivated drinking questions may enhance screening for alcohol related problems among current and former service members. PMID- 29227236 TI - Use of Marijuana and Other Substances Among Pregnant and Parenting Women With Substance Use Disorders: Changes in Washington State After Marijuana Legalization. AB - OBJECTIVE: In 2012, possession of marijuana for nonmedical use was legalized in Washington State. This study examined how legalization affected alcohol and drug use in a sample of pregnant and parenting women with substance use disorders. METHOD: Study participants from nine counties in Washington State (N = 1,359) were questioned about their substance use after completing a 3-year case management intervention program. The sample was divided into two cohorts based on whether participants had completed the program before or after legalization. RESULTS: Most study participants reported complete abstinence from alcohol and nonprescription drugs at program exit. Among those who were still using substances, women who completed the intervention after marijuana legalization were significantly more likely to report marijuana use at program exit compared with women who completed the intervention before marijuana legalization. Across both cohorts (pre- and post-legalization), we found a positive association of exit marijuana use with alcohol, illegal methadone, other opioids, amphetamines, and cocaine use; even when we controlled for historical period, the association with some of these substances with marijuana use remained evident. Independent of marijuana use, we saw increased use during the post-legalization period of alcohol, illicit methadone, and other opioids. CONCLUSIONS: Marijuana use at exit from the Parent-Child Assistance Program (PCAP) increased significantly after marijuana legalization in the state. Women who were not abstinent from marijuana at program exit were likely to report use of other substances as well. Our study design demonstrates an association but does not allow us to conclude that marijuana use leads to other substance use among this sample of women with a history of polysubstance use. PMID- 29227237 TI - Sexual Orientation Self-Concept Ambiguity and Alcohol Use Disorder Symptomology: The Roles of Motivated Psychological Distancing and Drinking to Cope. AB - OBJECTIVE: Women whose sexual identity is not exclusively heterosexual are at risk for alcohol use disorder (AUD) and problematic drinking. A textual analytic approach focusing on motivated psychological distancing in language style use was used to detect sexual minority women who are at greatest risk for an AUD. METHOD: Young adult women (N = 254) were asked to complete a self-report measure of sexual orientation self-concept ambiguity as well as free-write about their sexuality. In addition, they completed a questionnaire assessing AUD symptoms according to criteria from the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. The Linguistic Inquiry and Word Count (LIWC) program assessed language markers within participant-written essays that reflected acute states of aversive self-focus (i.e., fewer first-person pronouns, fewer present tense verbs). RESULTS: Drinking to cope with negative affectivity mediated the relationship between sexual orientation self-concept ambiguity and AUD symptomology. This indirect effect was conditional, moderated by higher use of language reflecting motivated psychological distancing, such that the indirect effect was significant only for women whose writing included fewer instances of first-person pronouns and present-tense verbs (-1 SD) compared with those with greater instances of first-person pronouns and present-tense verbs (+1 SD), reflecting motivated psychological distancing. CONCLUSIONS: Sexual minority women are at an increased risk for AUD. Further, this study suggests mechanisms that may exacerbate the relationship between sexual identity uncertainty and problematic drinking. The study presents a novel method of identifying individuals most at risk for alcohol misuse: detecting aversive self-focus in language style and word choice. PMID- 29227238 TI - Effects of Family Conflict and Anger on Alcohol Use Among American Indian Students: Mediating Effects of Outcome Expectancies. AB - OBJECTIVE: Identification of etiologic mechanisms underlying alcohol use among American Indian adolescents is essential because of higher rates of use and earlier initiation. One path links positive outcome expectancies to increased use for reduction of negative affect. This study estimates relationships between two aspects of distress among American Indian high school students-family conflict and anger-and alcohol involvement, and it investigates whether outcome expectancies serve as a mediator between these facets of distress and alcohol use. METHOD: Structural equation modeling evaluated study hypotheses among 975 female and 936 male American Indian 9th- through 12th-grade students residing on or near reservations. Students were from 17 high schools recruited across six geographic regions where American Indians on reservations reside. Separate models were assessed for male and female students. RESULTS: Outcome expectancies mediated the relationship between both anger and family conflict for female students, but only for anger among male students. Full mediation was found for all significant effects. CONCLUSIONS: For female American Indian high school students, anger and family conflict operate in large degree through outcome expectancies for alcohol use. A similar effect is found for male students for anger. PMID- 29227239 TI - Couples' Alcohol Use in Middle and Later Life: Stability and Mutual Influence. AB - OBJECTIVE: Wives and husbands may influence one another's alcohol use, but little is known about within-couple patterns of alcohol consumption over time during midlife and later life. Drawing from a nationally representative U.S. sample of middle-aged and older married couples, we examined individual stability and partner influence in alcohol use across a 16-year period. METHOD: The analytic sample comprised 1,257 married couples age 40 and older who completed nine waves of the Health and Retirement Study (1996-2012). Dyadic multilevel models were estimated to simultaneously examine the stability of one's own alcohol use (number of drinks per occasion and per week) over time as well as whether partner drinking predicted subsequent alcohol use within couples. Models controlled for marital duration. RESULTS: Wives' and husbands' own prior alcohol use positively predicted alcohol use across waves, demonstrating individual stability in drinking patterns. Partners' alcohol use also positively predicted wives' and husbands' subsequent alcohol use, revealing partner influence in drinking patterns. Both stability and influence effects were stronger for husbands than for wives. CONCLUSIONS: This study provides evidence of stability and mutual influence in long-term patterns of alcohol use within mid- and late-life married couples. Findings highlight the interdependence between spouses and indicate that partners' drinking should be considered when examining men's and women's alcohol use over time. PMID- 29227240 TI - Pre-Drinking and the Temporal Gradient of Intoxication in a New Zealand Nightlife Environment. AB - OBJECTIVE: We measured changes in the average level of intoxication over time in the nighttime economy and identified the factors associated with intoxication, including pre-drinking. METHOD: A random intercept sample of 320 pedestrians (105 women; 215 men) was interviewed and received breath alcohol analysis in the nighttime economy of Hamilton, New Zealand. Data were collected over a five-night period, between 7 P.M. and 2:30 A.M. Data were analyzed by plotting the moving average breath alcohol concentration (BrAC) over time and using linear regression models to identify the factors associated with BrAC. RESULTS: Mean BrAC was 241.5 mcg/L for the full sample; 179.7 for women and 271.7 for men, which is a statistically significant difference. Mean BrAC was also significantly higher among those who engaged in pre-drinking than those who did not. In the regression models, time of night and pre-drinking were significantly associated with higher BrAC. The effect of pre-drinking on BrAC was larger for women than for men. CONCLUSIONS: The average level of intoxication increases throughout the night. However, this masks a potentially important gender difference, in that women's intoxication levels stop increasing after midnight, whereas men's increase continuously through the night. Similarly, intoxication of pre-drinkers stops increasing from 11 P.M., although remaining higher than non-pre-drinkers throughout the night. Analysis of BrAC provides a more nuanced understanding of intoxication levels in the nighttime economy. PMID- 29227241 TI - Nicotine Intake in Pregnant Smokers and a General Population of Smokers. AB - OBJECTIVE: The purpose of this study was to assess whether pregnant smokers have the same nicotine intake from cigarettes as a general population of smokers and whether the known lower daily cigarette consumption among pregnant smokers is associated with higher nicotine intake among pregnant smokers. METHOD: The study was a cross-sectional comparison of pregnant smokers and a general population of smokers in smoking cessation clinics. Participants were treatment-seeking pregnant (n = 476), nonpregnant female (n = 116), and male (n = 195) smokers who participated in two independent smoking cessation trials. Nicotine intake was measured as saliva cotinine/ cigarette/kg body weight ratio. RESULTS: The mean saliva cotinine (MUg/L)/ cigarette/kg body weight (0.21, SD = 0.15) of pregnant smokers was similar to that of nonpregnant female smokers (0.24, SD = 0.14) and higher than that of male smokers (0.18, SD = 0.12, p = .002) despite a substantially lower number of cigarettes per day (pregnant smokers: 12, SD = 6; nonpregnant female smokers: 26.6, SD = 11.7; male smokers: 23.5, SD = 9.5, p < .001). Among pregnant smokers, saliva cotinine, as expected, increased in parallel with the number of cigarettes per day, but nicotine intake (cotinine/cigarette/kg body weight) was inversely associated with daily cigarette consumption (p < .001). No association between cigarettes per day and nicotine intake was observed in male and nonpregnant female smokers (p = .43). CONCLUSIONS: This secondary analysis showed that pregnant smokers' nicotine intake was similar to that of a general population of smokers despite a lower cigarette consumption rate. Among pregnant smokers, lower daily cigarette consumption was associated with higher nicotine intake from cigarettes, suggesting compensatory smoking. PMID- 29227242 TI - Social Class and Alcohol Use by Youth: Different Drinking Behaviors, Different Associations? AB - OBJECTIVE: Low socioeconomic status (SES) is related to hazardous alcohol use in adults, and the association seems to be stronger for more deviant and harmful drinking behaviors. We examined whether a similar pattern was present among adolescents. METHOD: Data stem from a Norwegian school survey of 14- to 17-year olds (n = 12,966; response rate in participating schools: 86%). Parental education (high/ middle vs. low) was our main SES indicator. The outcomes comprised lifetime and past-year drinking and intoxication, and past-year symptoms of excessive drinking. We used Poisson regression to estimate relative risks (RR) and post-estimation Wald F tests to compare coefficient estimates. RESULTS: Parental education was related inversely to the lifetime measures of drinking and intoxication among all students but the 17-year-olds. The impact on any intoxication episodes was significantly stronger than that on any alcohol use only among the 14-year-olds (RR = 1.79, 95% CI [1.31, 2.43] vs. RR = 1.21, 95% CI [0.98, 1.49]) (p < .001). Among past-year drinkers at all ages (14-17 years; n = 7,796), the differential impact of low parental education was particularly large with respect to the frequency of intoxication (RR = 1.68, 95% CI [1.39, 2.02]) compared with the frequency of drinking (RR = 1.42, 95% CI [1.24, 1.62]) (p < .001) and frequent symptoms of excessive drinking (RR = 1.80, 95% CI [1.47, 2.20]) compared with any symptoms (RR = 1.07, 95% CI [1.01, 1.14]) (p < .001). A similar but somewhat less clear pattern emerged when using an alternative indicator for low parental SES. CONCLUSIONS: Parents' social standing was inversely related to alcohol use by youth and related more strongly so to more deviant and harmful drinking behaviors. PMID- 29227244 TI - What Can We Learn From Alcohol-Related YouTube Videos? PMID- 29227243 TI - Cue Reactivity Essentials: Event-Related Potentials During Identification of Visual Alcoholic Stimuli in Social Drinkers. AB - OBJECTIVE: Cue reactivity is an automatic reaction to alcohol-related cues, contributing to the maintenance of drinking behavior and relapse in alcohol dependency. The identification of valid cue-reactivity features is a prerequisite for its clinical application. We were interested in the effects of visual features of alcohol cues (e.g., color) on cue reactivity. Assuming its development at a pre-pathological stage, we analyzed cue reactivity in heavy social drinkers, with light social drinkers as controls. We investigated whether cue reactivity was independent of visual features at an attentional (P100) and a motivational level (late positive potential, LPP). METHOD: Event-related potentials (ERPs; P100, LPP) were analyzed during a visual beverage classification task in heavy social drinkers and light social drinkers (N = 34 university students). Photographs of beverages were classified as alcoholic or nonalcoholic. Two additional stimulus sets depicted unrecognizable scrambled visual information and recognizable black silhouettes of the original beverages. Analysis of contrast waves inferred content (unrecognized scrambled trials subtracted from original) and color information (recognized shape trials subtracted from original) during visual processing. Linear regression was used to predict Alcohol Use Disorders Identification Test (AUDIT) scores from ERPs. RESULTS: In heavy social drinkers, alcoholic-content LPP was increased and P100 latency was shorter compared with nonalcoholic cues. Linear regression for alcohol content condition in the overall sample revealed shorter P100 latency and increased LPP amplitude predicting AUDIT scores. None of those effects were significant in the visual-feature control condition. CONCLUSIONS: Alcohol cue reactivity in heavy social drinkers was related to faster early attentional processes and motivational salience. The effect occurred independently of visual features in the pictures. PMID- 29227245 TI - Clearance of senescent decidual cells by uterine natural killer cells in cycling human endometrium. AB - In cycling human endometrium, menstruation is followed by rapid estrogen dependent growth. Upon ovulation, progesterone and rising cellular cAMP levels activate the transcription factor Forkhead box O1 (FOXO1) in endometrial stromal cells (EnSCs), leading to cell cycle exit and differentiation into decidual cells that control embryo implantation. Here we show that FOXO1 also causes acute senescence of a subpopulation of decidualizing EnSCs in an IL-8 dependent manner. Selective depletion or enrichment of this subpopulation revealed that decidual senescence drives the transient inflammatory response associated with endometrial receptivity. Further, senescent cells prevent differentiation of endometrial mesenchymal stem cells in decidualizing cultures. As the cycle progresses, IL-15 activated uterine natural killer (uNK) cells selectively target and clear senescent decidual cells through granule exocytosis. Our findings reveal that acute decidual senescence governs endometrial rejuvenation and remodeling at embryo implantation, and suggest a critical role for uNK cells in maintaining homeostasis in cycling endometrium. PMID- 29227246 TI - Tree crickets optimize the acoustics of baffles to exaggerate their mate attraction signal. AB - Object manufacture in insects is typically inherited, and believed to be highly stereotyped. Optimization, the ability to select the functionally best material and modify it appropriately for a specific function, implies flexibility and is usually thought to be incompatible with inherited behaviour. Here, we show that tree-crickets optimize acoustic baffles, objects that are used to increase the effective loudness of mate-attraction calls. We quantified the acoustic efficiency of all baffles within the naturally feasible design space using finite element modelling and found that design affects efficiency significantly. We tested the baffle-making behaviour of tree crickets in a series of experimental contexts. We found that given the opportunity, tree crickets optimised baffle acoustics; they selected the best sized object and modified it appropriately to make a near optimal baffle. Surprisingly, optimization could be achieved in a single attempt, and is likely to be achieved through an inherited yet highly accurate behavioural heuristic. PMID- 29227247 TI - Stress-induced Cdk5 activity enhances cytoprotective basal autophagy in Drosophila melanogaster by phosphorylating acinus at serine437. AB - Cdk5 is a post-mitotic kinase with complex roles in maintaining neuronal health. The various mechanisms by which Cdk5 inhibits and promotes neurodegeneration are still poorly understood. Here, we show that in Drosophila melanogaster Cdk5 regulates basal autophagy, a key mechanism suppressing neurodegeneration. In a targeted screen, Cdk5 genetically interacted with Acinus (Acn), a primarily nuclear protein, which promotes starvation-independent, basal autophagy. Loss of Cdk5, or its required cofactor p35, reduces S437-Acn phosphorylation, whereas Cdk5 gain-of-function increases pS437-Acn levels. The phospho-mimetic S437D mutation stabilizes Acn and promotes basal autophagy. In p35 mutants, basal autophagy and lifespan are reduced, but restored to near wild-type levels in the presence of stabilized AcnS437D. Expression of aggregation-prone polyQ-containing proteins or the Amyloid-beta42 peptide, but not alpha-Synuclein, enhances Cdk5 dependent phosphorylation of S437-Acn. Our data indicate that Cdk5 is required to maintain the protective role of basal autophagy in the initial responses to a subset of neurodegenerative challenges. PMID- 29227248 TI - Salt-inducible kinase 3 regulates the mammalian circadian clock by destabilizing PER2 protein. AB - Salt-inducible kinase 3 (SIK3) plays a crucial role in various aspects of metabolism. In the course of investigating metabolic defects in Sik3-deficient mice (Sik3-/-), we observed that circadian rhythmicity of the metabolisms was phase-delayed. Sik3-/- mice also exhibited other circadian abnormalities, including lengthening of the period, impaired entrainment to the light-dark cycle, phase variation in locomotor activities, and aberrant physiological rhythms. Ex vivo suprachiasmatic nucleus slices from Sik3-/- mice exhibited destabilized and desynchronized molecular rhythms among individual neurons. In cultured cells, Sik3-knockdown resulted in abnormal bioluminescence rhythms. Expression levels of PER2, a clock protein, were elevated in Sik3-knockdown cells but down-regulated in Sik3-overexpressing cells, which could be attributed to a phosphorylation-dependent decrease in PER2 protein stability. This was further confirmed by PER2 accumulation in the Sik3-/- fibroblasts and liver. Collectively, SIK3 plays key roles in circadian rhythms by facilitating phosphorylation-dependent PER2 destabilization, either directly or indirectly. PMID- 29227250 TI - ONCOPLASTIC SURGERY OF MULTICENTRIC (MULTIFOCAL) BREAST CANCER (CASE REPORT). AB - The multicentric/multifocal form of breast cancer has been considered as relative contraindicationfor breast conserving surgery. According to the results of the studies conducted in the last century, the local recurrence rate of the disease after breast conserving surgeries of multicentric/multifocal breast cancer exceeds 40%. Thus these data were considered as main argument for mastectomy advocates, as non-alternative surgical treatment in these cases. Wide clinical application of oncoplastic surgical techniques gave us possibilities to resolve dilemma: excise tumor - containing quadrant with achieving clear margins and satisfactory cosmetic outcome, without increasing risk of disease-related complications. In cases of multicentricity/ multicocality of breast cancer, total axillary lymphadenectomy might be avoided when size of tumor is less than 2 cm and there are no signs of malignant involvement of axillary lymph nodes; In case of clinically negative axillary lymph nodes - sentinel lymph node biopsy might be the standard option. Of course, adjuvant treatment should be planned in accordance with the principles of personalized medicine, based on the results of multidisciplinary review and taking into consideration modern advanced guidelines and recommendations. PMID- 29227251 TI - [STEREOTACTIC THALAMOTOMY AND CONTRALATERAL SUBTHALAMOTOMY IN TREATMENT OF PARKINSON'S DISEASE]. AB - Aim - to evaluate the efficacy of combined bilateral stereotactic destruction of subcortical nucleus - thalamotomy and contralateral subthalamotomy in patients with Parkinson disease. The study included 10 patients with PD, aged 54-73 (mean age 61.1+/-5.2 years). The time between two surgeries ranged from 1 to 5 years (mean 2.5+/-0.5 years). The surgeries were conducted on CRW Radionics stereotactic system using StereoPlan, Atlas (Radionics) andFraimLink (Medtronic) software for target calculating. The neuropsychological status was assessed by UPDRS II, Hoehn and Yahr scale, Schwab and England scale, MMSE. The postoperative follow-up was from 6 months to 5.5 years (mean 3.2+/-0.9 years). After surgeries tremor stopped or significantly regressed in 9 (90.0%) patients, muscle tone returned to normal in 8 (80.0%) cases and in 7 (70.0%) bradykinesia partially regressed. The increase of motor activity was observed in 8 (80.0%) patients. Levodopa-induced dyskinesia stopped in 5 (50.0%) patients and motor fluctuations regressed in 4 of 5 (80.0%) patients. After the surgery the dose of levodopa decreased on average by 36% - from 885+/-245 mg/day to 570+/-165 mg/day. The indices of Schwab and England Activities of daily living improved from 56.1% to 80.7%. The postoperative complications were observed in2 (20.0%) cases. Our results demonstrate that bilateral ablative surgery is an effective and safe method of treatment of PD. Stereotactic radiofrequency thalamotomy and contralateral subthalamotomyimprove overall motor function, increase patient's mobility, allow patients to reduce levodopa dose and improve the quality of life. PMID- 29227249 TI - Eye opening differentially modulates inhibitory synaptic transmission in the developing visual cortex. AB - Eye opening, a natural and timed event during animal development, influences cortical circuit assembly and maturation; yet, little is known about its precise effect on inhibitory synaptic connections. Here, we show that coinciding with eye opening, the strength of unitary inhibitory postsynaptic currents (uIPSCs) from somatostatin-expressing interneurons (Sst-INs) to nearby excitatory neurons, but not interneurons, sharply decreases in layer 2/3 of the mouse visual cortex. In contrast, the strength of uIPSCs from fast-spiking interneurons (FS-INs) to excitatory neurons significantly increases during eye opening. More importantly, these developmental changes can be prevented by dark rearing or binocular lid suture, and reproduced by the artificial opening of sutured lids. Mechanistically, this differential maturation of synaptic transmission is accompanied by a significant change in the postsynaptic quantal size. Together, our study reveals a differential regulation in GABAergic circuits in the cortex driven by eye opening may be crucial for cortical maturation and function. PMID- 29227252 TI - [MORTALITY AND MORBIDITY FROM PROSTATE CANCER IN THE REPUBLIC OF KAZAKHSTAN FROM 2007 TO 2016]. AB - Worldwide, prostate cancer is the second most common male malignancy after lung cancer. However, prostate cancer is less common for the Asian population. We performed statistical analysis of official data on newly diagnosed cases of prostate cancer based on the annual reports of cancer hospitals in the Republic of Kazakhstan for the period of 10 years (2007-2016). We observed an increase in the incidence of prostate cancer among the population of Kazakhstan for the period of 2007-2016, which may be due to the screening program, which started in 2013. In the country as a whole, there has been a decrease in mortality over the past two years. The peak incidence of prostate cancer falls at the age of 70 years and older, while at the age of below 40 years this disease is seen only sporadically. Since 2009, there has been an increase in the detection of prostate cancer in the early (I-II) stages, which is associated with screening tests based on evaluation of serum PSA levels. PMID- 29227253 TI - [PATHOGENETIC FEATURES OF THE DEVELOPMENT OF OVERACIVE BLADDER IN WOMEN]. AB - The aim of the research was to study the pathogenetic features of the development of the overactive bladder (OAB) in women. 107 women with OAB and a control group of 29 healthy women were involved into the study. The hormonal status was studied based on the determination of serum concentrations of luteinizing hormone (LH), stimulating hormone (FSH), estradiol and progesterone. The urine levels of interleukin-1beta (IL-1beta), interleukin-4 (IL-4), interleukin-8 (IL-8), tumor necrosis factor alpha (TNF-alpha) and macrophage chemotactic protein-1 (MCP-1) were assessed. Decreased level of estradiol was detected in 26.47% of women of reproductive age. Elevated urine levels of MCP-1 and IL-8 were found in 35.5% of patients. The obtained data testify to the possible pathogenetic role of inflammatory changes in the bladder wall, as well as hypoestrogenism in women of reproductive age in the development of OAB. PMID- 29227254 TI - [MODERN APPROACHES TO DIAGNOSIS AND TREATMENT OF TUMORS OF FEMALE GENITALS OF CHILDREN AND ADOLESCENTS (REVIEW)]. AB - The article discusses the features of epidemiology, morphology, clinical course and modern principles of diagnostics and treatment of tumors of female genitals of children and adolescents. Special attention is paid to ovarian germ cell tumors. The use of immunohistochemical and tumor markers enables the differential diagnosis among malignant ovarian germ cell tumors. Nowadays surgical methods, chemotherapy and radiation therapy are applied in treatment of tumors of female genitals. The main standard of surgical operation of ovarian tumors is removal of appendages on the side of the affection. Timely diagnostics and effective treatment allow to preserve reproductive function of girls. Foreign publications form the basis of the given article, as well as domestic ones. Summarizing of the results available from the latest studies in the sphere of features of epidemiology, morphology, clinical course and modern principles of diagnostics and treatment of tumors of female genitals of children and adolescents. PMID- 29227255 TI - [PERSPECTIVE MANAGEMENT IN THE TREATMENT OF GENITAL ENDOMETRIOSIS IN WOMEN WITH POLYMORPHISM OF GENS GSTT1 AND GSTM1]. AB - The article covers the management of patients with internal genital endometriosis, in which the polymorphism of the glutathione-S-transferase genes has been diagnosed. The aim of our study was to select the optimal conservative method for treatment of internal genital endometriosis in women of reproductive age by developing complex therapy taking into account the polymorphism of the genes of the detoxification system. 102 patients with combined gynecological pathology were examined. All patients were subject to a dynamic clinical and laboratory examination. According to the presence of GSTT1 genes deletion, GSTM1 has established research groups and treatment. Analyzing the performed research, it was discovered that the clinical efficacy of complex treatment depended on the genotypes of patients. The presence of pathologically burdened alleles of genes GSTM1 and GSTT1 somewhat reduced the response to standard treatment in the second group of patients. However, when comparing the levels achieved in the group I of patients, it was determined that in general, the clinical effect of our proposed therapy was more pronounced than in the II and III clinical groups. Clinical research has proved the effectiveness of hormone therapy combined with immunomodulatory and target drug in the form of reducing recurrence and restoring fertility. PMID- 29227256 TI - [PSYCHOGENIC FACTORS IN THE PATHOGENESIS OF ANTERIOR ISCHEMIC OPTIC NEUROPATHY (REVIEW)]. AB - The purpose of this systematic review is to describe the influence of psychogenic factors on the pathogenesis and course of anterior ischemic optic neuropathy (AION). Analysis of randomized clinical trials published in the journal indexed in PubMed in the period from 1978 to 2016, devoted to the study of the influence of various factors on the epidemiology, pathogenesis and course of AION. The review of the literature presents basic information on the psychogenic factors that affect the course of AION and the areas of clinical application of the data under study. Physiological and pathological ways of influence of psychogenic factors on regulation of angiogenesis are considered. The main properties of the disturbance of retinal microcirculation, the role in the regulation of the vascular bed in the norm and under the influence of psychogenic factors in patients with AION are described. PMID- 29227257 TI - WORLD AND NATIONAL EXPERIENCE IN ORGANIZATION OF PREVENTION OF CARDIOVASCULAR DISEASES. AB - The aim of the study was to examine the global, European and national experience in the implementation of preventive programs and to reveal their value in health, economy and social health development. The conducted research has found that the implementation of the national program, the correct methodological approach of the physician to evaluate risk factors, and implementing preventive measures of diseases of the circulatory system bring positive results (reduction of prevalence and incidence of cerebral stroke by 13,7% and 1,4%, respectively). The results of the analysis of the health care industry pointed out the possible directions of optimization of prevention of behavioral risk factors in the practice of family medicine as the first point of contact with the patient, where preventive measures are essential and effective. Summing up, it should be noted that at the level of primary health care, particularly family medicine, with effectively coordinated work and correctly set motivation, the preventive measures against risk factors of diseases of circulatory system can be quite effective. PMID- 29227258 TI - [CAUSES OF LETHALITY OF ISCHEMIC STROKE AND WAYS TO IMPROVE PREVENTION METHODS]. AB - In this article, the authors conduct an in-depth analysis of the causes of mortality from ischemic stroke in Almaty city of the Republic of Kazakhstan. Based on the materials of the city pathoanatomical bureau for 2015, 2016, and nine months of 2017. Autopsy materials and results of histological examination were analyzed. The materials of the study were processed using the methods of applied biostatistics. According to the results of the study, the authors came to the conclusion that the greatest number of patients who died of this pathology is in men aged 51 and older than 80 years, and in women 61 and older. When studying morphological features, atherothrombotic type AI met in 56% of cases, cardioembolic (36%) and hemodynamic type (8%). Taking into account the received data, the authors recommend defining the joint responsibility of patients, medical workers and the state for violation of the principles of management of the causes of the occurrence of ischemic stroke. PMID- 29227259 TI - HYPOTHYROIDISM - A SPECIAL COMORBIDITY FACTOR IN PATIENTS WITH OSTEOARTHROSIS: CLINICAL, PATHOPHYSIOLOGICAL AND PROGNOSTIC ASPECTS. AB - Objective - to study the features of the functional and morphological condition of the thyroid gland (TG) in patients with osteoarthrosis (OA), the incidence and forms of hypothyroidism and their effects on clinical manifestations, metabolic disorders and the results of the treatment of OA and comorbid processes. A complex examination involved 312 patients with OA aged 37-76 years. Methods used: anthropometric, clinical, ultrasonographic, biochemical, radioimmunological (levels of TSH, free thyroxine, antibodies to thyroid peroxidase). It has been established that with increasing age in patients OA phenomena are progressing, there is an increase in comorbid diseases, especially of the cardiovascular system with atherosclerotic genesis, they become more severe. Against this background, clinical hypothyroidism was found in 4.44% and subclinical one in 13.78%. Stratification of the clinical form of hypothyroidism contributed to the deterioration of the course and outcome of the treatment of OA and comorbid diseases. Both forms of hypothyroidism intensified the degrees of metabolic disorders in the blood, reduced the glomerular filtration rate, especially the clinical form. Manifestations of hypothyroidism were observed in patients with OA with its significant systemic manifestations, high comorbidity rate, in individuals aged over 50, especially 60 years, mainly in women (83,72%). In patients with OA aged over 50 years with a high comorbidity rate, it is advisable to conduct an ultrasound examination of the thyroid gland, to measure the levels of TSH, free thyroxine in order to diagnose hypothyroidism early and to treat it timely as one of the ways to improve the overall outcomes of the treatment of such patients. PMID- 29227260 TI - FACTORS ASSOCIATED WITH POST-STROKE FATIGUE DURING THE SECOND HALF YEAR AFTER STROKE. AB - Post-stroke fatigue (PSF) is a common and often debilitating sequel of both ischemic and hemorrhagic strokes Aim - identify socio-demographic, personal and psychological factors associated with different PSF domains over the second half year after stroke occurrence. There were examined patients consequently in definite time points: at 6 months (156 patients), at 9 months (139 patients) and at 12 months (128 patients) after ischemic or hemorrhagic strokes. Global PSF and certain PSF domains (physical, mental, motivational, activity-related) were measured by multidimensional fatigue inventory-20 scale. In univariate logistic regression analysis most of the studied variables (gender, marital status, education level, apathetic impairments, excessive daytime sleepiness, waist circumference, arterial hypertension, ischemic heart disease, atrial fibrillation, diabetes mellitus) were not significantly associated with global PSF as well as with any PSF aspect at 6, 9 and 12 months after stroke occurrence. On the other hand, univariate logistic regression analysis showed reliable associations between risk of global PSF, risk of all PSF domains and anxious as well as depressive signs, reliable associations between risk of mental PSF and cognitive impairments over the second half year after stroke. Multivariate logistic regression analysis revealed that depressive signs and cognitive impairments were independent predictors of mental PSF over studied post-stroke period. Screening and early management of depressive signs, anxious signs and cognitive impairments probably may be helpful for PSF prevention over the second half year after stroke occurrence. PMID- 29227261 TI - CLINICAL FEATURES OF THERAPY OF ANEMIA AND THE SIGNIFICANCE OF ITS FLUCTUATION IN THE DEVELOPMENT OF ANEMIA IN DIALYSIS PATIENTS. AB - The aim of our study was to examine the features of therapy of anemia, and the influence of fluctuation in dose of antianemic drugs on hemoglobin levels in dialysis patients. The study included 100 patients with chronic kidney disease stage 5D receiving hemodialysis, mean age was 53,4+/-15,8 years. The clinical and anamnestic data were studied and laboratory tests were performed in all patients. The correlation between hemoglobin level and fluctuations in dose of antianemic drugs for 12 months: erythropoietin (R= -0,51, p=0,004) and iron (R= -0,46, p=0,01) was determined. The higher doses of erythropoietin and their fluctuation and the fluctuation in dose of iron drugs were observed in the group of patients with middle degree anemia. The least fluctuation of erythropoietin and iron drugs was detected among patients with normal hemoglobin level. There were the correlation between the dose of erythropoietin used in the last month with transferrin (R=-0,25, p=0.011) and ferritin (R=0,22, p=0.028)and the relationship of fluctuations in dose of antianemic drugs and parameters of ferrokinetic, in particular, between the fluctuation in dose of iron drugs for 6 months and ferritin index (R=0,38, p=0.008), and soluble transferrin receptors (R=-0,37, p=0.01). Thus, high variability of doses of antianemic drugs determines less successful erythron's response to the treatment in dialysis patients, which indicates the need of monitoring the fluctuation of drug's doses. PMID- 29227262 TI - [COMBINED COURSE OF BRONCHIAL ASTHMA AND GASTROESOPHAGEAL REFLUX DISEASE: ITS CLINICAL, FUNCTIONAL PECULIARITIES, AND MECHANISMS OF ITS CORRECTION]. AB - The combined course of bronchial asthma (BA) and digestive system pathology is one of the most frequent, severe and clinically varied pathology. The purpose of the paper - to study the influence of gastroesophageal reflux disease (GERD) on the course of BA and the effectiveness of antireflux therapy in combined pathology. Patients with combined pathology were treated in full-time department more frequently than patients with isolated BA (3,4+/-0,5 per year to - 1,8+/ 0,3; r<0,05). The statistically reliable correlation between frequency of heartburn and frequency of cough, which goes over to asthma attacks was observed (r=0,59; r<0,05). More severe course of BA was observed in patients with combined pathology and was accompanied by reliable decrease in the main functional indicators of external breathing (FEB). The antireflux therapy lead to decrease in cough intensity and frequency of asthma attacks, especially at night time. Also, as a result of antireflux therapy patients were able to refuse to use short acting beta2-agonists in 51,7 % and significantly decreased the multiplicity of its reception in "on-demand" mode. In patients with GERD more severe course of BA was observed. The reliable decrease in the main indicators of FEB, activation of inflammatory process (mainly allergic character of inflammation with high level of eosinophils in blood and sputum) and increase in level of IL - 4 in the blood. The frequency of hospitalization in patients with combined BA and GERD was 2 times greater than in patients with isolated BA. The complex therapy using antireflux has positive effect on clinical symptoms, functional indicators of external breathing and markers of inflammation in patients with combined BA and GERD. PMID- 29227263 TI - [ADAPTIVE REGULATORY MECHANISMS OF ALOPECIA AREATA]. AB - Failure of adaptive mechanisms leads to structural and functional damage at all levels and of neuroendocrinal and immune systems, which are pathogenetic basis of development of autoimmune diseases, in particular. The objective of this work was to assess the condition of adaptive hormones, such as cortisol and insulin, coefficient of stress of adaptive potential "K" and also dermatologic life quality index (DLQI) of the diseased with alopecia areata (AA). 48 patients with different forms of AA aged between 18 and 52 were examined. Correlation analysis identified positive correlation between DLQI and early age of patients, severe stage and hair loss for the period of over 12 months (p<0.01). Two types of reactions were identified - increase and decrease of content of cortisol and insulin in blood depending on the activity, severity stage and length of AA. The diseased with signs of progression of the disease, severe stage and duration of up to 3 years AA experienced increase of the coefficient "K" (p<0.05) indicates increase of tension of adaptive potential of the organism. Decrease of the coefficient "K" (p<0.05) during chronisation and duration of the disease of over 3 years indicates depletion of adaptive mechanisms of organism with possible failure of regulatory processes. Identified disorders demonstrate existence of maladaptive processes in the diseased with FF and may be considers as potential therapeutic targets. PMID- 29227264 TI - CHARACTERISTICS OF CHANGES IN COGNITIVE FUNCTIONS OF THE PATIENTS WITH HYPERTENSIVE DISEASE. AB - Decline of the cognitive functions is one of the modern medicine actual problem. The influence of hypertension as modifiable risk factor in the evolution of cognitive impairment is emphasized in numerous investigations. Almost all the proposed in research literature data were obtained from the investigation of old patients group, who had high indexes of blood pressure and stroke histories. Therefore, we think that it is very impotent to detect the slight and moderate cognitive impairment of hypertensive patients of working age until the expressed clinical signs appear. Objective - determine the age and hypertension duration influence on the evolution of cognitive impairments in patients with essential hypertension of the second stage. There were examined 102 patients with essential hypertension of the second stage, which had not any attendant illnesses. Their average years were about 49,84+/-0,83 average. Disease duration was approximately 8,78+/-0,60. According to the purpose of examination all patients were divided by age and disease duration into 3 groups. To study cognitive impairment used a number of neuropsychological tests. Analyzing the MoCA test data of examined patients it should be noted a tendency to decreasing of cognitive function indexes with age increasing. Thus, the patients of the first group have no cognitive impairment. But authentic lowering of MoCA test results may be noted in the patients group of 56 years and higher, up to 6,1% in comparison with the patients under 45 years. The indexes of MoCA test in the group of patients with arterial hypertension duration more than 10 years were authentically lower comparing with the group of patients with disease duration up to 5 years and patients with arterial hypertension duration of 5 to 10 years in 9,9% and in 4,9% accordantly. We have found that with increasing duration of the disease and age the working age patients with essential hypertension of the second stage, significant increase in cognitive impairment was observed. Diagnosing of cognitive impairment is the measure of prevention of dementia in future and it must be an inseparable part of system examination of hypertensive patients. PMID- 29227265 TI - [PECULIARITIES OF THE ANALYSIS OF THE LEVEL OF PROINFLAMMATORY CYTOKINS IN THE COMMUNITY-ACQUIRED PNEUMONIA IN CHILDREN]. AB - The high specific gravity in the structure of morbidity in children of all age groups, complicated course, determines the urgency of studying the clinical and diagnostic aspects of community-acquired pneumonia. In recent years, interest has been growing in the study of the child's cytokine status. A number of studies indicate that cytokines regulate the severity and duration of the inflammatory process. In this regard, the study of the possibility of determining the level of proinflammatory cytokines (IL-6 , TNF-alpha) is of great practical importance for assessing the prognosis of community-acquired pneumonia in children. In a prospective cohort study, 90 children with community-acquired pneumonia aged between 5 and 14 years were treated under treatment in the department respiratory of the Children>s Hospital in Karaganda, of which 47% were girls (95% CI 31.51% - 56.33%) and boys 53% (CI 95% 34.91% - 59.88%). The control group included 20 healthy children. Analysis of the results of the study revealed an increase in the content of proinflammatory cytokines in the blood serum and urine on children with community-acquired pneumonia depending on the severity of the course. At the same time, the equivalence of the cytokine trends in serum and urine determines the possibility of noninvasive detection of cytokines, both for characterizing the inflammatory response of the organism as such and for predicting the development of community-acquired pneumonia, which is especially valuable in pediatric practice. PMID- 29227266 TI - PREVALENCE OF DISEASES AMONG ADOLESCENT POPULATION IN DNEPROPETROVSK REGION (UKRAINE), CORRELATED WITH DRINKING WATER QUALITY DETERIORATION. AB - Purpose of research was to study dynamics prevalence of diseases among children' population in the separate rural tacsons of Dnepropetrovsk region; to carry out correlation analysis between some indicators of drinking water quality and prevalence of diseases. Research indicators of prevalence of diseases was carried out in the 6 types of tacsons of Dnipropetrovsk region (Ukraine) during 2008 - 2013 years (totally 522720 indicators). It was proved that (I, II, III, XI, XIII, XIV) classes of diseases takes the first place by the prevalence of diseases in the majority of rural tacsons. Correlation between higher salt content of the potable water taking from decentralized sources and content of some heavy metals (Zn, Cu, Mn) and some substances (pH, F, Al, nitrogen ammonia, nitrites, nitrates, oxidability) and the prevalence of diseases among children: tumors (r=0.87); diseases of blood and hematopoetic organs (r=0.74-0.95); anemia (r=0.79 0.87); diseases of genitourinary system (r=0.79-0.82); congenital anomalies (r=0.87), including circulatory system (r=0.74-0.95) was revealed in the separate tacsons of Dnepropetrovsk region (p<0.001). PMID- 29227267 TI - [PROBLEMS OF IMMUNIZATION AND SHARED RESPONSIBILITY AT THE LEVEL OF PRIMARY HEALTHCARE]. AB - In this article, the authors consider ways to solve problematic issues related to the organization and conduct of immunization among the population in order to prevent vaccine-preventable infectious diseases. An in-depth analysis of the progress of vaccine prevention has been conducted and the results achieved in the world in recent years are reflected. At the same time, the authors identified problematic issues related to the successful implementation of further work on the prevention of vaccine-preventable infectious diseases. By analyzing the reporting data of the medical organization in Almaty and questioning the parents, a poorly organized level for ensuring sanitary literacy was revealed, as well as beliefs by medical workers about the benefits of vaccination. During the analysis of the presented materials, the author managed to highlight the main problems at the present stage of the development of immunization. PMID- 29227268 TI - CHARACTERISTICS OF WEST SYNDROME IN GEORGIA, PRELIMINARY RESULTS OF THE PROSPECTIVE STUDY. AB - West syndrome hasn't been thoroughly investigated in Georgia. The purposes of our study were a) to assess the clinical and etiological peculiarities of West syndrome, based on MRI data and its relation to the long-term outcome; b) to assess the evolution of West syndrome and its relation to patient characteristics; c) to compare the efficacies of treatments with ACTH and antiepileptic drugs (AEDs); d) to evaluate the neuropsychological outcome after 12 and 24 months and their early predictors. We evaluated 31 patients (17 male, 14 female) with infantile spasms. Mean age of seizure onset was 6.3 months. Inclusion criteria were newly diagnosed patients with infantile spasms from 2 to 18 months, abnormal EEG and written informed consent of parents/ caregivers. We collected birth, family and seizure detailed history. All patients were examined neurologically, investigated with prolonged sleep and awake video - EEG, brain MRI, developmental screening tests (Ages & Stages Questionnaires(r), Third Edition, ASQ-3TM) at the time of admission. Spasm diary was given and filled by every parent/caregiver. The video-recording of seizures to study the detailed phenomenology of event was done in all cases as well. In 94% of patients (n=29) spasm were observed in clusters. EEG investigation revealed hypsarrhythmia in majority of cases (n=20; 65%). 19% (n=6) and 16% (n=5) patients had modified hypsarrhythmia and other types of EEG changes respectively. In 19 (61%) cases neurological examination was normal. 7 patients (22.6%) showed normal neuropsychological development. In remaining 12 (38.7%) and 12 (38.7%) cases moderate and severe delay of development was revealed accordingly. MRI investigation revealed no abnormality in 16% (n=5). 16 (52%) individuals were treated with ACTH only. In 12 (39%) cases ACTH and AED were used simultaneously and 2 (6.5%) cases were treated with AED only. One year follow-up assessments were provided in 22 (74%) cases. One patient died during the study. Neuropsychological development was with no changes in 12 (55%) individuals. In 3 (9.7%) cases some improvement was detected and the deterioration of development was identified in 6 (19%) individuals. In all cases with developmental deterioration, seizures were started before seven month of age, this association was statistically significant (Pearson Chi-Square 6.3; df 1; p=0.019). There was no relationship between developmental changes and sex, birth from full term pregnancy, infantile spasm type, treatment, or EEG pattern, however. Despite the fact, that the number of included patients was small, preliminary findings are in accordance to the other published data. The current study is still in process. 12 24 months follow-up with clinical, EEG and neuropsychological monitoring is planned for all cases. PMID- 29227269 TI - REYE (RAY'S) SYNDROME: A PROBLEM EVERYONE SHOULD REMEMBER. AB - Reye syndrome is a rare but a very dangerous emergency that children and teenagers suffer. This threatening condition occurs during the treatment of fever in the clinical course of viral diseases with drugs containing acetylsalicylic acid and other salicylates. The high mortality rate from this disease is associated with the development of a rapidly progressing toxic encephalopathy and hepatic insufficiency. The etiology and pathogenesis of the Reye syndrome, despite the large number of investigations, is not clear enough. Today, special attention is paid to the development of so-called Reye-like syndromes in the context of congenital metabolic defects, although cases of the true Reye syndrome occur quite often. In spite of the long discussion among scientists, the effect of acetylsalicylic acid is an important factor of development of this pathological syndrome. Taking this fact into consideration, the use of acetylsalicylic acid by children, especially in case of colds, should be strictly controlled by a doctor and parents should be informed about possible complications, especially the development of the Reye syndrome. This issue is very urgent in countries with non-prescription antipyretics realization and a high percentage of self-treatment among patients. PMID- 29227270 TI - [CLINICAL CHARACTERISTICS OF CONGENITAL HEART DISEASES ASSOCIATED WITH CONNECTIVE TISSUE DISPLASIA AT CHILDREN LIVING IN EAST REGION OF KAZAKHSTAN]. AB - The frequency of the combination of congenital heart defects (CHD) and connective tissue dysplasia remains poorly understood. And connective tissue dysplasia enhance severity the clinical of CHD. The aim of the study was to conduct a clinical and laboratory analysis of combinations of congenital heart defects and connective tissue dysplasia in children of Semey and to determine the risk for the development of these pathologies. The object of the study is the children of Semey (East Kazakhstan) aged 1-14 with congenital heart defects (CHD), with connective tissue dysplasia, healthy children and their mothers. Definition complex clinical and laboratory studies in children with CHD and connective tissue dysplasia, and their mothers. In children with CHD, the frequency of external and visceral signs of dysplasia was high. In 88.1% of cases in children with CHD was diagnosed 2-3 degrees of dysplasia. Was found difference in the microelement composition of blood serum and of hemostasis in children with CHD were expressed by hypofibrinogenemia, hypocalcemia, hypomagnesemia. Excess of the frequency of signs of dysplasia in mothers over the control group to consider dysplasia as a factor that influences the clinical of CHD. PMID- 29227271 TI - [IMMUNE SYSTEM INTERNSHIP WITH SYMBIOTIC MICROORGANISMS IN GNOTOBIOTIC ANIMAL'S INTESTINUM ILEUM]. AB - Structures, responsible for acceptive (comensaling relation) and protective (pathogenic defense) immunity, were studied and compared in small intestine - to ileum mucosa. Data shown, that main application of the both domains of immune system is to support the correlation between body and foreign microbes, but they response is different. Most significant differences are as follows: in acceptive reactions presented only in aseptic animals - gnotobionts, inflammatory changes absent, so immune reaction complex develops into physiological condition. Symbiotic reactions release in mucosa epithelial cells, also in cells, responsible for adaptive and congenital immune reactivity. Thus, acceptive immune reactions contribute symbiotic biocenosis versus elimination; which is function of protective immunity. PMID- 29227272 TI - [STUDY OF SOME PLANT SEED LIPIDS GROWING IN GEORGIA]. AB - The purpose of the research was to study seed lipids of cultivated plants: Medicago sativa, Ruta graveolens L., Linum usitatissimum L., which are growing on experimental field of I. Kutateladze Institute of Pharmacochemistry. From the above-mentioned plant seeds was obtained the sum of neutral and polar lipids, the classes were determined qualitatively. Using standard methods were determined some physico-chemical constant of oils. Fatty acids was established qualitatively and was determined quantitatively using Gas chromatography and High performance liquid chromatography methods. As a result of research in the seed oil of Medicago Sativa was revealed high percentage content of Oktadekadien - 9,12 fatty acid. Oktadekadien -9 dominates in the oil obtained from the seeds of Ruta graveolens L. and Oktadekantrien - 9,12,15 dominates in the oil obtained from the seeds of Linum usitatissimum L. Phospholipids were established qualitatively and using spectrophotometric method were determined In the sum of polar lipids: (lambda 820 nm). The oils which are obtained from above-mentioned plant seeds contains biologically active compounds, which gives the opportunity to use these oils as in medical practice, also in cosmetology. PMID- 29227273 TI - [POISONING BY PSYCHOPHARMACOLOGICAL DRUGS IN AZERBAIJAN: THE RESULTS OF 8-YEAR PROSPECTIVE OBSERVATION]. AB - Acute poisoning of chemical etiology is a significant global public health problem. The aim of this study was the analysis of the toxicoepidemiological structure of psychopharmacological drugs poisoning in Azerbaijan. We collected and analyzed the data on all cases of acute poisoning by psychopharmacological drugs (codes of categories T42/T43 ICD-10) undergoing inpatient treatment at the Center of Clinical Toxicology in Baku, Azerbaijan in 2009-2016. The total number of patients with acute intoxication by psychopharmacological drugs was 3,413, which was 48.3% of all cases of poisoning by drugs, medicaments and biological substances (T36-T50). The predominance of women was registered in all age groups. 1114 patients or 32.6% were in 15-24 years old age group. The highest percentage of poisonings at category T42 of ICD-10 were benzodiazepine-type drugs (35.8%), and at category T43 - antipsychotic and neuroleptic drugs (19.2%). In the structure of benzodiazepine poisoning, the first and second ranked places belonged to phenazepam (71.0%) and clonazepam - 16.6%. In addition, another 120 cases (5.5%) of poisonings in the T42 cohort were caused by "Z drugs", which have similar therapeutic effect to benzodiazepines (zolpidem and zopiclone). Among the antipsychotic and neuroleptic poisonings, thioridazine, trifluoperazine, levomepromazine, chlorpromazine, and periciazine accounted for 91% of all cases of intoxication in this cohort. Barbiturates, in view of their toxicity and narrow range of therapeutic dosages, now lost their importance as antiepileptic and hypnotic drugs. Only 4.9% of all cases of poisoning, classified under category T42, was due to the use of barbiturates (mainly phenobarbital). Poisonings with iminostilbenes were presented by carbamazepine poisoning only. Most patients in this cohort received this anticonvulsant drug as prescribed by a doctor. Acute intoxications by tricyclic antidepressants in 91.5% were presented by cases of amitriptyline poisoning. Intoxication by serotonin reuptake inhibitors antidepressants, were relatively rare (3.8% of all cases of poisoning in T43). Among the poisonings with butyrophenone and thioxanthene neuroleptics, the first ranked place was occupied by cases of haloperidol poisoning, which accounted for 82.6% in this cohort. In the group of intoxications with other antipsychotic and neuroleptic drugs, the first ranked place belonged to the poisoning with clozapine - a total of 83 cases or 47.2% in cohort. Poisonings by psychopharmacological drugs occupy the first ranking place among poisoning by drugs, medicaments and biological substances (T36-T50). Increased control over the prescription and sale of psychopharmacological drugs, a reduction the number of tablets in one package, as well as increased attention to vulnerable groups of the population could be help to reduce the percentage of these poisonings in Azerbaijan. PMID- 29227274 TI - STUDY OF PHARMACOMETRIC INDEXES OF DOSING REGIMEN OF ANTIHYPOXANT OKAGERM-4. AB - In series of pharmacometrics research by determination of an optimum model of dosing is established that introduction of OKAGERM-4 in a dose of 96.8 mg/kg administered 40 minutes before the start of hypoxic damage realizes in maximum increase of estimated life expectancy of animals in hermetically sealed containers (65.57 min), ensuring a maximum effect of potential pharmacotherapeutic remedy - tartaric acid-based coordination compound of germanium with manganese. Thus, the results of pharmacometric research aimed to develop dosing regimen of OKAGERM-4 may be the base for future episodes of its pre-clinical study. PMID- 29227275 TI - ANTIOXIDANT, ANTI-INFLAMMATORY ACTIVITY OF GEORGIAN LEGUMINOUS CROPS CULTURES. AB - The aim of the study was to identify the common in Georgia leguminous crops culture with pronounced antioxidant, anti-inflammatory activity. The primary evaluation of the antiinflammatory effects of beans was performed on the experimental models of MDCK and Jurkat cells model systems. Extracts of various varieties of legumes (Beans "Kidney", Meadow beans, Beans Shulavera, Batumian beans, Beans "Udelebi", green peas, peas Shulavera, lentils Lens Culinaris, Soy) were added to the intact or incubated under oxidative stress conditions Jurkat and MDCK cells. Cells' vitality was determined by MTT test. On the basis of analysis of the obtained results, we concluded that: - Meadow beans extract (low doses) revealed cytoprotective effect on the intact and incubated under oxidative stress conditions immune (Jurkat) and epithelial (MDCK) cells. High antioxidant, cytoprotective activity of this extract correlates with high polyphenols content in it. - The extract of Shulavera beans did affect the intact Jurkat and MDCK cells, but showed pronounced cytoprotective activity on these cells incubated under the oxidative stress conditions. High antioxidant, cytoprotective activity of this extract correlates with high content of polyphenols in it. - Low dose of lentils Lens Culinaris extracts revealed cytoprotective activity on the incubated under oxidative stress conditions MDCK cells, but was inactive in case of intact MDCK and incubated in different conditions immune Jurkat cells. The selective antioxidant activity of this extract is related with its other constituent components, but not polyphenols. - Despite high polyphenols content and high antioxidant activity in vivo, Batumian beans revealed moderate cytoprotective activity on intact and incubated under oxidative stress conditions Jurkat cells, suppressive activity on the intact MDCK cells and was inactive in relation to the incubated under oxidative stress conditions MDCK cells. Based on these findings, we can identify extracts with selective protective, anti-inflammatory (Meadow beans, Shulavera beans extracts), cytoprotective (lentil Lens Culinaris extract) and immunomodulatory (Butumian bean extract) properties. Further studies are needed to identify and verify the mechanisms of activity of these Extracts in order to develop effective selective dietary supplements. PMID- 29227276 TI - ALTERATION IN THE CYTOKINE SECRETION PATTERN IN T CELLS OF PATIENTS WITH CYSTIC FIBROSIS CAUSED BY DNA METHYLTRANSFERASE INHIBITOR 5-AZACITIDINE. AB - Cystic fibrosis (CF) is the autosomal-recessive disorder caused by mutation in the cystic fibrosis transmembrane conductance regulator gene (CFTR). The Airway inflammation plays a central role in the progression of CF disease. Cystic fibrosis characterized by the overproduction of the pro-inflammatory cytokines and reduced expression of anti-inflammatory cytokines. Although the mechanisms of abnormal cytokine expression is still poorly understood, altered epigenetic regulations in T cells might contribute. In the present study we examined the expression of IFN-gamma and IL-10 by CF T cells prior to and following 5-azaC treatment. In addition we investigated DNMTs levels in nuclear extracts of CD4+ T cells derived from CF and non-CF individuals. Seven CF patients (age: 5-12 years) were included in the study and compared to six age-matched healthy subjects (age: 6- 13 years). CD4+ T cells were isolated from PBMC using CD4 MicroBead kit (Miltenyi Biotec GmbH) and were cultured in RPMI 1640 medium at 37 degrees C with 5% CO2, in presence or absence of 5-azacytidine. Concentrations of IL-10 and gamma-INF in CD4+ T Cells were measured by ELISA (eBoiscience, san Diego, CA, USA). In our study we showed that 5 Azacytidine alters nuclear levels of DNMT 3a as well as modulates cytokine levels in CD4+ T cells derived from CF patients. After 5-azaC treatment secretion of IFN-gamma was significantly decreased in CF T cells, while amount of IL-10 was elevated by ~2.5 times compared to untreated controls (P<0.05). In summary, data presented in this report demonstrates that epigenetic mechanisms such as DNA methylation may be considered as a one of the potential therapeutic target in a treatment of Cystic Fibrosis. PMID- 29227277 TI - USE OF COMPLEMENTARY AND ALTERNATIVE MEDICINE IN GEORGIA. AB - In Georgia, like in most countries globally, people commonly resort to complementary and alternative medicine (CAM). However, not much is known about CAM practices there. The aim of the study was to document common practices of CAM in Georgia and related patient attitudes. We collected data from peoples who commonly use CAM at 20 service provision centers in Georgia using cluster sampling from 300 patients. We admininstered a cross-sectional survey and conducted descriptive statistical analyses. People in Georgia use CAM either for prevention to improve general health (33%) or to treat chronic conditions (36%), spending about 25 Euros per month out of pocket. Most (77%) get their knowledge about CAM from family or friends , less than half (44%) from books or media, and 11% from medical providers. A close person's advice or experience was the most common rationale given for CAM use (54%). In our sample, 17% either don't trust or are unsatisfied with conventional medicine, 29% found CAM treatment "very effective" and 61% "quite/partially" effective; only 5% not effective. Conventional treatment was stopped in half of the cases. 35% of respondents informed their physicians of their CAM use, while about half did not. Public mistrust towards conventional medicine, CAM user high satisfaction, relatively low cost of such services in Georgia - are the factors letting us to suggest that CAM use will further increase. Frequent self taking decisions made by patients to stop physician prescribed treatment, not informing physicians on CAM use, as well as other factors put patients health at risk. Further research and capacity building in practice, education and other related aspects are needed to establish evidence-based regulation and standards for CAM in Georgia that ensure informed decision making and patient safety. PMID- 29227278 TI - An automated method for dynamic red blood cell aggregate detection in microfluidic flow. AB - OBJECTIVE: Red blood cell (RBC) aggregation is a unique phenomenon that occurs when red blood cells are subjected to low shear rates. Little is known about the sizes, shapes and behaviour of aggregates flowing in healthy humans. However, excessive aggregation has been shown to be an indication of pathological conditions. Therefore, characterizing RBC aggregates is important to medical research. The objective of this study was to develop a reliable technique based on image processing to assess and characterize human RBC aggregation subjected to controlled and measurable shear rates in a two-fluid flow microfluidic shearing system. APPROACH: Images of RBC suspensions at [Formula: see text], [Formula: see text] and [Formula: see text] entrained by a phosphate buffered saline solution in a PDMS microchannel were captured with a high speed camera. An algorithm for processing the RBC aggregate images is presented and validated (1) on a sample of known diameter hollow glass microspheres and (2) by comparing RBC aggregate size results with those of an ImageJ image processing technique and those obtained by manual detection by two independent researchers. MAIN RESULTS: The proposed image processing algorithm provides a very good agreement with the manufacturer data for the glass microspheres. It also performs well on the RBC suspension images, with errors of 2-4 [Formula: see text] with respect to the manual results. SIGNIFICANCE: The proposed automated method for RBC aggregate detection is found to be reliable and fairly accurate and will serve researchers and, perhaps in the future, clinicians to assess healthy and pathological RBC aggregation under flowing conditions. PMID- 29227279 TI - Drug-eluting balloon: design, technology and clinical aspects. AB - A drug-eluting balloon is a non-stent technology in which the effective homogenous delivery of anti-proliferative drugs is processed by the vessel wall through an inflated balloon. This is done to restore luminal vascularity in order to treat atherosclerosis, in-stent restenosis and reduce the risk of late thrombosis without implanting a permanent foreign object. The balloon technology relies on the concept of targeted drug delivery, which helps in the rapid healing of the vessel wall and prevents the proliferation of smooth muscle cells. Several drug eluting devices in the form of coated balloons are currently in clinical use, namely DIOR(r), PACCOCATH(r), SeQuent(r)Please and IN.PACTTM. The device varies in terms of the material used for making the balloon, the coating techniques, the choice of coated drug and the release pattern of the drug at the site. This review gives an insight into the evolution, rationale and comparison of the marketed drug-eluting balloons. Here, different coating techniques have been analysed for the application and critical analysis of available DEB technologies, and a technical comparison has been done. PMID- 29227280 TI - Proapoptotic PUMA targets stem-like breast cancer cells to suppress metastasis. AB - Breast cancer cells with stem cell properties are key contributors to metastatic disease, and there remains a need to better understand and target these cells in human cancers. Here, we identified rare stem-like cells in patients' tumors characterized by low levels of the proapoptotic molecule p53-upregulated modulator of apoptosis (PUMA) and showed that these cells play a critical role in tumor progression that is independent of clinical subtype. A signaling axis consisting of the integrin alphavbeta3, Src kinase, and the transcription factor Slug suppresses PUMA in these cells, promoting tumor stemness. We showed that genetic or pharmacological disruption of alphavbeta3/Src signaling drives PUMA expression, specifically depleting these stem-like tumor cells; increases their sensitivity to apoptosis; and reduces pulmonary metastasis, with no effect on primary tumor growth. Taken together, these findings point to PUMA as a key vulnerability of stem-like cells and suggest that pharmacological upregulation of PUMA via Src inhibition may represent a strategy to selectively target these cells in a wide spectrum of aggressive breast cancers. PMID- 29227281 TI - Targeting Mcl-1 enhances DNA replication stress sensitivity to cancer therapy. AB - DNA double-strand breaks (DSBs) are mainly repaired either by homologous recombination (HR) or by nonhomologous end-joining (NHEJ) pathways. Here, we showed that myeloid cell leukemia sequence 1 (Mcl-1) acts as a functional switch in selecting between HR and NHEJ pathways. Mcl-1 was cell cycle-regulated during HR, with its expression peaking in S/G2 phase. While endogenous Mcl-1 depletion reduced HR and enhanced NHEJ, Mcl-1 overexpression resulted in a net increase in HR over NHEJ. Mcl-1 directly interacted with the dimeric Ku protein complex via its Bcl-2 homology 1 and 3 (BH1 and BH3) domains, which are required for Mcl-1 to inhibit Ku-mediated NHEJ. Mcl-1 also promoted DNA resection mediated by the Mre11 complex and HR-dependent DSB repair. Using the Mcl-1 BH1 domain as a docking site, we identified a small molecule, MI-223, that directly bound to BH1 and blocked Mcl-1-stimulated HR DNA repair, leading to sensitization of cancer cells to hydroxyurea- or olaparib-induced DNA replication stress. Combined treatment with MI-223 and hydroxyurea or olaparib exhibited a strong synergy against lung cancer in vivo. This mechanism-driven combination of agents provides a highly attractive therapeutic strategy to improve lung cancer outcomes. PMID- 29227282 TI - Hypoxia-induced upregulation of BMX kinase mediates therapeutic resistance in acute myeloid leukemia. AB - Oncogenic addiction to the Fms-like tyrosine kinase 3 (FLT3) is a hallmark of acute myeloid leukemia (AML) that harbors the FLT3-internal tandem duplication (FLT3-ITD) mutation. While FLT3 inhibitors like sorafenib show initial therapeutic efficacy, resistance rapidly develops through mechanisms that are incompletely understood. Here, we used RNA-Seq-based analysis of patient leukemic cells and found that upregulation of the Tec family kinase BMX occurs during sorafenib resistance. This upregulation was recapitulated in an in vivo murine FLT3-ITD-positive (FLT3-ITD+) model of sorafenib resistance. Mechanistically, the antiangiogenic effects of sorafenib led to increased bone marrow hypoxia, which contributed to HIF-dependent BMX upregulation. In in vitro experiments, hypoxia dependent BMX upregulation was observed in both AML and non-AML cell lines. Functional studies in human FLT3-ITD+ cell lines showed that BMX is part of a compensatory signaling mechanism that promotes AML cell survival during FLT3 inhibition. Taken together, our results demonstrate that hypoxia-dependent upregulation of BMX contributes to therapeutic resistance through a compensatory prosurvival signaling mechanism. These results also reveal the role of off-target drug effects on tumor microenvironment and development of acquired drug resistance. We propose that the bone marrow niche can be altered by anticancer therapeutics, resulting in drug resistance through cell-nonautonomous microenvironment-dependent effects. PMID- 29227283 TI - SHARPIN-mediated regulation of protein arginine methyltransferase 5 controls melanoma growth. AB - SHARPIN, an adaptor for the linear ubiquitin chain assembly complex (LUBAC), plays important roles in NF-kappaB signaling and inflammation. Here, we have demonstrated a LUBAC-independent role for SHARPIN in regulating melanoma growth. We observed that SHARPIN interacted with PRMT5, a type II protein arginine methyltransferase, and increased its multiprotein complex and methyltransferase activity. Activated PRMT5 controlled the expression of the transcription factors SOX10 and MITF by SHARPIN-dependent arginine dimethylation and inhibition of the transcriptional corepressor SKI. Activation of PRMT5 by SHARPIN counteracted PRMT5 inhibition by methylthioadenosine, a substrate of methylthioadenosine phosphorylase, which is codeleted with cyclin-dependent kinase inhibitor 2A (CDKN2A) in approximately 15% of human cancers. Collectively, we identified a LUBAC-independent role for SHARPIN in enhancing PRMT5 activity that contributes to melanomagenesis through the SKI/SOX10 regulatory axis. PMID- 29227284 TI - Cografting astrocytes improves cell therapeutic outcomes in a Parkinson's disease model. AB - Transplantation of neural progenitor cells (NPCs) is a potential therapy for treating neurodegenerative disorders, but this approach has faced many challenges and limited success, primarily because of inhospitable host brain environments that interfere with enriched neuron engraftment and function. Astrocytes play neurotrophic roles in the developing and adult brain, making them potential candidates for helping with modification of hostile brain environments. In this study, we examined whether astrocytic function could be utilized to overcome the current limitations of cell-based therapies in a murine model of Parkinson's disease (PD) that is characterized by dopamine (DA) neuron degeneration in the midbrain. We show here that cografting astrocytes, especially those derived from the midbrain, remarkably enhanced NPC-based cell therapeutic outcomes along with robust DA neuron engraftment in PD rats for at least 6 months after transplantation. We further show that engineering of donor astrocytes with Nurr1 and Foxa2, transcription factors that were recently reported to polarize harmful immunogenic glia into the neuroprotective form, further promoted the neurotrophic actions of grafted astrocytes in the cell therapeutic approach. Collectively, these findings suggest that cografting astrocytes could be a potential strategy for successful cell therapeutic outcomes in neurodegenerative disorders. PMID- 29227285 TI - Shifts in podocyte histone H3K27me3 regulate mouse and human glomerular disease. AB - Histone protein modifications control fate determination during normal development and dedifferentiation during disease. Here, we set out to determine the extent to which dynamic changes to histones affect the differentiated phenotype of ordinarily quiescent adult glomerular podocytes. To do this, we examined the consequences of shifting the balance of the repressive histone H3 lysine 27 trimethylation (H3K27me3) mark in podocytes. Adriamycin nephrotoxicity and subtotal nephrectomy (SNx) studies indicated that deletion of the histone methylating enzyme EZH2 from podocytes decreased H3K27me3 levels and sensitized mice to glomerular disease. H3K27me3 was enriched at the promoter region of the Notch ligand Jag1 in podocytes, and derepression of Jag1 by EZH2 inhibition or knockdown facilitated podocyte dedifferentiation. Conversely, inhibition of the Jumonji C domain-containing demethylases Jmjd3 and UTX increased the H3K27me3 content of podocytes and attenuated glomerular disease in adriamycin nephrotoxicity, SNx, and diabetes. Podocytes in glomeruli from humans with focal segmental glomerulosclerosis or diabetic nephropathy exhibited diminished H3K27me3 and heightened UTX content. Analogous to human disease, inhibition of Jmjd3 and UTX abated nephropathy progression in mice with established glomerular injury and reduced H3K27me3 levels. Together, these findings indicate that ostensibly stable chromatin modifications can be dynamically regulated in quiescent cells and that epigenetic reprogramming can improve outcomes in glomerular disease by repressing the reactivation of developmental pathways. PMID- 29227287 TI - Creating a graft-friendly environment for stem cells in diseased brains. AB - Most of the adult CNS lacks regenerative activity in terms of both neuron birth and neurite outgrowth. While this regeneration-unfriendly environment of the adult CNS may preserve the existing neuronal circuitry that takes years to develop in higher organisms, it also poses a major obstacle for CNS repair later in life. In this issue of the JCI, Song et al. report on their development of a strategy that uses region-specific and molecularly engineered astrocytes to turn an unfavorable brain environment into a favorable one for engrafted neural stem/progenitor cells (NSC/NPCs). In a rat model of Parkinson's disease (PD), cografting NPCs with midbrain-derived astrocytes engineered to overexpress the transcription factors Nurr1 and Foxa2 promotes maturation and survival of the graft, resulting in therapeutic improvement. The results of this study raise the prospect of using modified astrocytes to improve the survival, maturation, and integration of engrafted NSC/NPCs as a restorative treatment for PD. PMID- 29227288 TI - Physician and Nurse Perceptions of Gentle Cesarean Birth. AB - BACKGROUND: Protocols for neonatal care and mother-baby interaction at cesarean birth frequently differ from those at vaginal birth. There is increasing interest in adopting family-friendly or gentle protocols for women having cesarean birth. Current evidence suggests challenges in achieving interdepartmental cooperation and consensus are potential barriers to implementing gentle cesarean protocols. PURPOSE: To describe how care providers' professional role and characteristics may affect perception about gentle cesarean birth techniques and inform specific concerns about protocol changes. STUDY DESIGN AND METHODS: A cross-sectional survey with mixed-methods analysis incorporating quantitative and qualitative conventional content analysis was used. A structured survey was distributed via email to all care providers on the labor and birth unit, including attending physicians, resident physicians in training, fellows, labor nurses, respiratory therapists, and operating room technicians. Quantitative responses were analyzed with bivariable tests and logistic regression to describe associations between provider attitudes and provider characteristics. Open-ended responses were analyzed with conventional content analysis to develop a model describing influences on overall provider attitudes. RESULTS: Physicians and nurses generally have positive attitudes on benefits of gentle cesarean techniques. Their perceptions overall are informed by the balance of concerns about patient safety and logistical challenges versus perceived benefits of the techniques. On an individual level, care provider demographic and professional characteristics of gender and prior experience affected attitudes more than their specific role in patient care. CLINICAL IMPLICATIONS: Most labor and birth care providers have positive attitudes about gentle cesarean birth. Implementation of such programs should prioritize patient safety, educate physician and nurses about potential benefits for patients, and use experienced physicians and nurses as ambassadors to increase acceptance. PMID- 29227289 TI - Perioperative steroid therapy: where's the evidence? AB - PURPOSE OF REVIEW: Review of historical and current evidence of adrenal suppression in patients on chronic glucocorticoid therapy during perioperative period, and discussion of current recommendations for perioperative stress dose steroid administration. RECENT FINDINGS: Evidence suggests low incidence of perioperative adrenal insufficiency in patients receiving chronic glucocorticoid therapy. Recent studies show no difference in survival or hemodynamic sequella by withholding perioperative stress steroids; however, these studies are limited in size and universal applicability. SUMMARY: Current recommendations for perioperative stress dose steroids for patients on chronic glucocorticoid therapy are based on duration and dose of maintenance steroids. All patients should take their regular daily dose of steroid preoperatively regardless of dose or chronicity of prior treatment. Additional, stress dose steroid dosing is based on patient risk of adrenal suppression and surgical complexity and stress. PMID- 29227290 TI - Postoperative thrombocytopenia: why you should consider antiplatelet therapy? AB - PURPOSE OF REVIEW: This review addresses the role of platelets in perioperative ischemic complications involving the brain, kidneys, and gastrointestinal tract, and long-term survival in patients undergoing coronary artery bypass grafting surgery. Importantly, findings of several recent clinical studies will be discussed with emphasis on platelet activation and leukocyte inflammatory responses as important mediators of vascular microthrombosis and ischemic injury. RECENT FINDINGS: Our recent findings suggest that in some patients, the hemostatic balance during and after surgery may shift toward a hypercoagulable state and contribute to acute organ failure. SUMMARY: For over 6 decades, major postoperative complications after cardiac surgery have remained unchanged. The potential influence of microthrombosis involving platelets has been underappreciated and use of perioperative antiplatelet therapy remains very limited - primarily because of a culture of fear of bleeding. PMID- 29227291 TI - Three-Factor Versus Four-Factor Prothrombin Complex Concentrate for Warfarin Reversal-A Critical Appraisal of the Evidence. PMID- 29227286 TI - Drug-perturbation-based stratification of blood cancer. AB - As new generations of targeted therapies emerge and tumor genome sequencing discovers increasingly comprehensive mutation repertoires, the functional relationships of mutations to tumor phenotypes remain largely unknown. Here, we measured ex vivo sensitivity of 246 blood cancers to 63 drugs alongside genome, transcriptome, and DNA methylome analysis to understand determinants of drug response. We assembled a primary blood cancer cell encyclopedia data set that revealed disease-specific sensitivities for each cancer. Within chronic lymphocytic leukemia (CLL), responses to 62% of drugs were associated with 2 or more mutations, and linked the B cell receptor (BCR) pathway to trisomy 12, an important driver of CLL. Based on drug responses, the disease could be organized into phenotypic subgroups characterized by exploitable dependencies on BCR, mTOR, or MEK signaling and associated with mutations, gene expression, and DNA methylation. Fourteen percent of CLLs were driven by mTOR signaling in a non-BCR dependent manner. Multivariate modeling revealed immunoglobulin heavy chain variable gene (IGHV) mutation status and trisomy 12 as the most important modulators of response to kinase inhibitors in CLL. Ex vivo drug responses were associated with outcome. This study overcomes the perception that most mutations do not influence drug response of cancer, and points to an updated approach to understanding tumor biology, with implications for biomarker discovery and cancer care. PMID- 29227292 TI - Association of hyperglycemia, systolic and diastolic hypertension, and hyperthermia relative to baseline in the acute phase of stroke with poor outcome after intravenous thrombolysis. AB - : In the acute phase of ischemic stroke, the trend of some physiological variables, such as blood glucose (BG), blood pressure, and body temperature (BT), might influence outcome. We aimed to assess the association of hyperglycemia, systolic and diastolic hypertension, and hyperthermia relative to baseline BG, systolic blood pressure, diastolic blood pressure and BT, respectively, in the first 12 h with poor outcome after intravenous thrombolysis (IVT). We conducted a retrospective analysis of data prospectively collected from 200 consecutive anterior ischemic stroke patients treated with IVT. Outcome measures were no neurological improvement at 24 h (National Institutes of Health Stroke Scale (NIHSS) score at 24 h >=NIHSS score at baseline), and unfavorable functional outcome [modified Rankin Scale (mRS) score 3-6] at 3 months. No neurological improvement at 24 h was noted in 52 (26%) patients and mRS 3-6 at 3 months in 68 (34%) patients. The multivariate analyses showed that odds ratios (ORs) for no neurological improvement at 24 h were higher in patients with hyperglycemia relative to baseline [OR 3.50, 95% confidence interval (CI) 1.43-8.57, P = 0.006], and hyperthermia relative to baseline (OR 2.88, 95% CI 1.20-6.91, P = 0.018). OR for 3-month mRS score 3-6 was higher in patients with hyperthermia relative to baseline (OR 3.05, 95% CI 1.20-7.74, P = 0.019). Hyperglycemia and hyperthermia relative to baseline in the first 12 h after IVT are associated with no neurological improvement at 24 h. Hyperthermia relative to baseline is also associated with unfavorable functional outcome at 3 months. PMID- 29227293 TI - An ex-vivo model of shear-rate-based activation of blood coagulation. AB - : The study presents a model of shear-stress-based platelet activation. Twenty eight patients (22 free from anticoagulants and major antiplatelet agents, and six under the effects of P2Y12 platelet inhibitors) participated. The main purpose was to verify the hypothesis that a model of shear-dependent blood activation does not require artificial activators to trigger clot formation. Whole blood collected from the patients received platelet function tests [ADPtest and thrombin receptor-activating peptide (TRAP)test] and was tested with a cone on-plate viscosimeter at a shear rate of 100 s. Changes in blood viscosity were characterized by a time-to-gel point (TGP), a maximum clot viscosity and a steady clot viscosity (SCV). In patients free from major antiplatelet effects, the TGP was 180 s (interquartile range 148-290 s), while in patients under double antiplatelet therapy the TGP was significantly (P = 0.039) longer (345 s, interquartile range 250-452 s). The SCV was 16 centipoise (cP) (interquartile range 11-47 cP) in the patients free from major antiplatelet agents, significantly (P = 0.012) higher than in patients under double antiplatelet therapy (10 cP, interquartile range 6-11 cP). There was a significant (P = 0.011) association between platelet function at the TRAPtest and the maximum clot viscosity, and between TRAPtest and the SCV (P = 0.021). A shear rate of 100 s triggers clot formation through a primary role of platelet activation in this model of blood activation. PMID- 29227294 TI - Immediate and 24-h blood pressure-lowering effects of arm crank exercise in patients with traumatic lower-limb amputation: a randomized cross-over study. AB - AIM: This study aimed to investigate the clinic and 24-h postexercise hypotension (PEH) after a moderate-intensity arm crank exercise session in individuals with traumatic lower-limb amputation. PARTICIPANTS AND METHODS: Nine men (46+/-17 years) with unilateral traumatic lower-limb amputation participated in two experimental sessions conducted randomly: an aerobic exercise (EXE: arm crank ergometer, 30 min) or a control session (CON: participants remained seated on the cycle ergometer, 30 min). Clinic and 24-h systolic, diastolic, and mean blood pressure (BP) response were measured after both sessions. The clinical measurements of blood flow and forearm vascular resistance (FVR) were also performed. RESULTS: Compared with the preintervention period, the BP levels did not change in the CON session. However, EXE resulted in a significant hypotensive effect in systolic (-10+/-0.9 mmHg, P<=0.05), diastolic (-11+/-1.5 mmHg, P<=0.05), and mean BP (-11+/-1.2 mmHg, P<=0.05) during the entire postexercise period. The PEH was accompanied by a decreased FVR over the entire postintervention period (P<=0.05). Significant reductions were found for 24-h average systolic, diastolic, and mean BP levels (P=0.03, 0.01, and 0.02, respectively) following EXE compared with the CON session. CONCLUSION: These results showed, for the first time, that individuals with traumatic lower-limb amputation presented immediate and 24-h PEH after a single bout of arm crank exercise testing. The PEH at the clinic condition was justified, at least in part, by the reduction in peripheral FVR. PMID- 29227295 TI - An Unusual Presentation of Pituitary Gland Apoplexy With Noninfectious Meningitis. AB - Pituitary adenomas make up 10% of intracranial tumors, but because of their location, they may go undetected for long periods. In this article, we report the case of a 68-year-old white man found deceased in his residence, who died of acute pituitary tumor apoplexy. He was known to have severe symptoms including acute headache, vision loss, and altered behavior. When found, his home was in extreme disarray, mimicking a possible assault. At autopsy, the decedent had multiple superficial abrasions about the upper and lower extremities, as well as a 2.5 * 3-cm pituitary adenoma compressing the carotid arteries and optic nerves. Initial coroner and police investigators were strongly considering homicide with robbery as a motive, given the disarray present at the scene. This case highlights the importance of postmortem examination of the pituitary gland in all cases where neurological symptoms are reported prior to death. PMID- 29227296 TI - Lesch-Nyhan syndrome and its variants: examining the behavioral and neurocognitive phenotype. AB - PURPOSE OF REVIEW: Lesch-Nyhan Syndrome (LNS) is a metabolic disorder involving mutations in the HGPRT1 gene that result in hyperuricemia, intellectual disability, a dystonic movement disorder, and compulsive self-injury with self mutilation. The aim of this review is to summarize recent research that documents the extended behavioral, neurologic, and neurocognitive phenotype in classic LNS, to describe milder variants of HGprt deficiency that do not self-injure and have less severe neurological and cognitive deficits, and to provide an update on treatment for associated psychiatric and behavioral disorders. RECENT FINDINGS: Psychiatric management utilizes combined behavioral and pharmacological treatment in conjunction with protective equipment and dental management to avert self injury. Pharmacological management focuses on stabilization of mood and anxiety management. S-adenosylmethionine (SAMe), a physiological intermediate in methylation and transsulfuration, has shown beneficial effects in carefully selected patients who can tolerate the drug. Deep brain stimulation is shown in several case reports and series to reduce or eliminate self-injury and aggression, and in some cases, modify dystonia. SUMMARY: This review highlights progress in our understanding of the behavioral and neurocognitive phenotype of Lesch-Nyhan syndrome (HGprt deficiency) and its variants, describes psychiatric and behavioral management, and discusses prospects for new therapies. PMID- 29227297 TI - Neuropsychiatric effects of epilepsy in developmental disorders. AB - PURPOSE OF REVIEW: The overlap of neuropsychiatric illness and developmental disability continues to be prominently recognized in clinical practice and in the academic literature. Theoretical and practical considerations may represent a frontier for understanding brain and behavior relationships. The purpose of this review is to explore this common relationship and report on recent literature that helps advance the larger fields of psychiatry and neurology. RECENT FINDINGS: Overlap between developmental disability, epilepsy, and neuropsychiatric illness may be more common than originally thought. Excessive excitatory neurotransmitter activity may be present in epilepsy and in autism spectrum disorder. Specific seizure types may be associated with features of developmental disabilities and neuropsychiatric conditions. SUMMARY: Neuropsychiatric illness is common in epilepsy and more frequent in developmental disabilities than generally recognized. Seizure foci in the temporal lobe may play a significant role. Brain connectivity and specific neurotransmitter systems are active areas of investigation. Antiepileptic drugs may improve neuropsychiatric symptoms in persons with developmental disability and epilepsy. PMID- 29227298 TI - Advances, innovations, and challenges for new and old infections of children and adolescents. PMID- 29227299 TI - Blaise Pascal and the evidence on the use of multiple arterial grafts for coronary artery bypass surgery after the interim analysis of the Arterial Revascularization Trial. AB - PURPOSE OF REVIEW: After the publication of the interim analysis of the ART, we review the contradiction between the large numbers of observational studies published on the course of over 25 years and the randomized trials comparing the use of single versus multiple arterial grafts for coronary bypass surgery. RECENT FINDINGS: The Arterial Revascularization Trial (ART) found no difference in survival and event-free survival at 5 years between patients randomized to receive one or two internal thoracic arteries at the time of surgery. SUMMARY: At the moment, there is evidence that arterial grafts have higher patency rate than venous grafts and a possible protective effect on the coronary circulation. Arterial grafts are still a reasonable choice, especially in patients with long life expectancy. Further studies and the final results of ART are needed. PMID- 29227300 TI - Exercise testing in heart failure: a contemporary discussion in an era of novel diagnostic techniques and biomarkers. AB - PURPOSE OF REVIEW: The purpose of this review is to highlight recent advances in the field of exercise testing for patients with heart failure. RECENT FINDINGS: The importance of assessment of cardiorespiratory fitness (CRF) and exercise testing in heart failure is highlighted in the consensus recommendation of the American Heart Association. Contemporary studies have validated the independent and incremental strength of CRF metrics in patients with heart failure and coronary artery disease. The use of respiratory gas analysis and imaging or hemodynamics during physical exercise is feasible and results in high prognostic utility across the continuum of heart failure. Understanding how CRF metrics complement existing and novel biomarkers and risk scores is an emerging subject of scientific inquiry. SUMMARY: In the current era of personalized medicine, integrating CRF, imaging and circulating biomarkers will allow us to further develop individualized strategies for improving outcome in patients with heart failure. PMID- 29227301 TI - Palliative care in gynecologic oncology. AB - PURPOSE OF REVIEW: Patients with gynecologic malignancies face many difficult issues in the course of their diseases, ranging from physical symptoms to advance care planning in light of a poor prognosis. This review examines the evidence supporting integration of palliative care early in the course of disease and symptom management, and provides a framework for difficult conversations. RECENT FINDINGS: Palliative care has been demonstrated to improve quality of life and promote survival if integrated early in the course of disease. An evidence-based approach should guide symptom management, such as pain and nausea. Advance care planning and goals of care discussions are enhanced by a framework guiding discussion and the incorporation of empathetic responses. SUMMARY: Palliative care is a diverse multidisciplinary field that can provide significant benefit for patients with gynecologic malignancies. PMID- 29227302 TI - The target invites a foe: antibody-drug conjugates in gynecologic oncology. AB - PURPOSE OF REVIEW: Antibody-drug conjugates (ADCs) represent a promising new class of cancer therapeutics. Currently more than 60 ADCs are in clinical development, however, only very few trials focus on gynecologic malignancies. In this review, we summarize the most recent advances in ADC drug development with an emphasis on how this progress relates to patients diagnosed with gynecologic malignancies and breast cancer. RECENT FINDINGS: The cytotoxic payloads of the majority of the ADCs that are currently in clinical trials for gynecologic malignancies or breast cancer are auristatins (MMAE, MMAF), maytansinoids (DM1, DM4), calicheamicin, pyrrolobenzodiazepines and SN-38. Both cleavable and noncleavable linkers are currently being investigated in clinical trials. A number of novel target antigens are currently being validated in ongoing clinical trials including folate receptor alpha, mesothelin, CA-125, NaPi2b, NOTCH3, protein tyrosine kinase-like 7, ephrin-A4, TROP2, CEACAM5, and LAMP1. For most ADCs currently in clinical development, dose-limiting toxicities appear to be unrelated to the targeted antigen but more tightly associated with the payload. Rational drug design involving optimization of the antibody, the linker and the conjugation chemistry is aimed at improving the therapeutic index of new ADCs. SUMMARY: Antibody-drug conjugates can increase the efficacy and decrease the toxicity of their payloads in comparison with traditional cyctotoxic agents. A better and quicker translation of recent scientific advances in the field of ADCs into rational clinical trials for patients diagnosed with ovarian, endometrial or cervical cancer could create real improvements in tumor response, survival and quality of life for our patients. PMID- 29227303 TI - Alternative facts and morcellation. AB - PURPOSE OF REVIEW: Since the recent black-box warning regarding the use of electromechanical morcellation, there has been a hesitancy to utilize the product and even to perform other types of morcellation by gynecologists. Unfortunately, this Food and Drug Administration action and the continued public criticisms of this procedure are grounded in poor data and faulty reasoning. To truly perform informed consent to patients considering procedures involving morcellation, a thorough review of the facts, not alternative facts, must be communicated. RECENT FINDINGS: Misrepresentation of the ethics surrounding this procedure, the role of informed consent and the risks and benefits as determined by evidence-based medicine have led to confusion and poor public policy. Today's evidence suggests that the procedure is indeed ethical when full disclosure of the risks and benefits is presented via informed consent. Risks of the procedure have been exaggerated significantly, and little attention has been paid to the risks of denying morcellation procedures to patients. Attempts to condemn gynecologists as acting contrary to established surgical principles do not coincide with facts. SUMMARY: Morcellation is a controversial technique which undoubtedly has a role as well as limitations. To appropriately determine if the procedure is indicated and acceptable to the patient, full disclosure of the best available evidence is necessary. PMID- 29227304 TI - Cell-based immunotherapy in gynecologic malignancies. AB - PURPOSE OF REVIEW: To provide an overview of the principles, safety and efficacy of adoptive cell therapy (ACT) in solid tumors particularly in gynecological cancers. RECENT FINDINGS: Efforts to target solid tumors using tumor-infiltrating lymphocytes and genetically modified T cells have shown promising efficacy in some patients. Two food and drug administration approvals for the treatment of leukemia are the first gene therapies available for cancer treatment in the United States. SUMMARY: Genetic engineering of antitumor immunity using T cells has the potential to target specific tumor-associated antigens and overcome obstacles to successful immunotherapy like immune-suppressive factors in the tumor microenvironment. PMID- 29227305 TI - Lung transplantation for chronic obstructive pulmonary disease: past, present, and future directions. AB - PURPOSE OF REVIEW: Lung transplantation offers an effective treatment modality for patients with end-stage chronic obstructive pulmonary disease (COPD). The exact determination of when to refer, list, and offer transplant as well as the preferred transplant procedure type remains unclear. Additionally, there are special considerations specific to patients with COPD being considered for lung transplantation, including the implications of single lung transplantation on lung cancer risk, native lung hyperinflation, and overall survival. RECENT FINDINGS: The International Society for Heart and Lung Transplantation's most recent recommendations rely on an assessment of COPD severity based on BODE index. Despite the lack of evidence supporting a mortality benefit of bilateral over single lung transplantation for COPD patients, the majority of transplants performed in this population remain bilateral. Some of the concerns specific to single lung transplantation remain the possibility of de novo native lung cancer and the hemodynamic and physiologic implications of acute native lung hyperinflation. SUMMARY: COPD remains the most common worldwide indication for lung transplantation. Ongoing study is still required to assess the overall survival benefit of lung transplantation and assess the overall quality of life impact on the COPD patient population. PMID- 29227307 TI - A patient with chromosome 18p deletion and congenital hypoglossia. PMID- 29227308 TI - Medical bioinformatics in melanoma. AB - PURPOSE OF REVIEW: Bioinformatic insights from next-generation sequencing has been integral in understanding melanoma biology, resistance to treatment and provided new avenues for melanoma treatment. Whole-genome sequencing, whole-exome sequencing and RNA sequencing has redefined the molecular classification of melanoma, revealed distinct genetic aberrations that define clinical subtypes of melanoma and uncovered the diverse heterogeneity that resides in an individual tumor. RECENT FINDINGS: In this review, we will summarize the recent whole-genome study that catalogs the genomic landscape across many melanoma subtypes, the single-cell RNA sequencing studies that interrogates tumor heterogeneity and the personalized vaccine approaches to melanoma treatment. SUMMARY: Whole-genome sequencing of diverse subtypes of melanoma revealed acral and mucosal subtypes to have a different genomic landscape compared with cutaneous melanoma. Acral and mucosal melanomas are characterized by low mutation burden and high structural variants. Single-cell RNA sequencing revealed high intratumoral heterogeneity and the existence of rare intrinsic drug-resistant populations. Lastly, vaccination against tumor neoantigens could be a potential personalized medicine therapy for melanoma patients. In summary, bioinformatics research is deeply ingrained in all aspects of melanoma research and will continue to blossom together for many years to come. PMID- 29227306 TI - Big Data Analytical Approaches to the NACC Dataset: Aiding Preclinical Trial Enrichment. AB - BACKGROUND: Clinical trials increasingly aim to retard disease progression during presymptomatic phases of Mild Cognitive Impairment (MCI) and thus recruiting study participants at high risk for developing MCI is critical for cost-effective prevention trials. However, accurately identifying those who are destined to develop MCI is difficult. Collecting biomarkers is often expensive. METHODS: We used only noninvasive clinical variables collected in the National Alzheimer's Coordinating Center (NACC) Uniform Data Sets version 2.0 and applied machine learning techniques to build a low-cost and accurate Mild Cognitive Impairment (MCI) conversion prediction calculator. Cross-validation and bootstrap were used to select as few variables as possible accurately predicting MCI conversion within 4 years. RESULTS: A total of 31,872 unique subjects, 748 clinical variables, and additional 128 derived variables in NACC data sets were used. About 15 noninvasive clinical variables are identified for predicting MCI/aMCI/naMCI converters, respectively. Over 75% Receiver Operating Characteristic Area Under the Curves (ROC AUC) was achieved. By bootstrap we created a simple spreadsheet calculator which estimates the probability of developing MCI within 4 years with a 95% confidence interval. CONCLUSIONS: We achieved reasonably high prediction accuracy using only clinical variables. The approach used here could be useful for study enrichment in preclinical trials where enrolling participants at risk of cognitive decline is critical for proving study efficacy, and also for developing a shorter assessment battery. PMID- 29227309 TI - The Basic Science and Molecular Mechanisms of Lung Injury and Acute Respiratory Distress Syndrome. PMID- 29227310 TI - Preoperative Risk Assessment of Respiratory Failure. PMID- 29227311 TI - Perioperative Transfusion-Related Acute Lung Injury. PMID- 29227312 TI - Clinical Implications of Hyperoxia. PMID- 29227313 TI - Intraoperative Lung-protective Ventilation. PMID- 29227314 TI - One-Lung Ventilation and Acute Lung Injury. PMID- 29227315 TI - Inhaled Anesthetics in Acute Lung Injury. PMID- 29227318 TI - Will demand for PAs remain strong? PMID- 29227316 TI - Ventilatory Strategies in the Brain-injured Patient. PMID- 29227319 TI - A systems-based approach to patient care after liver transplantation. AB - Liver transplantation is a cure to many devastating acute and end-stage liver diseases. In the immediate postoperative period, patients are prone to graft, end organ, and immunosuppressive complications. This article reviews the causes, diagnosis, and treatment of acute postoperative liver transplant complications. PMID- 29227320 TI - Plantar fasciitis: A review of treatments. AB - Plantar fasciitis is the most common cause of heel pain in the United States. Many treatments are available and differ in efficacy and cost. This article discusses the theorized causes for plantar fasciitis and various treatments. PMID- 29227321 TI - An Innovative Model for Naloxone Use Within an OTP Setting: A Prospective Cohort Study. AB - OBJECTIVES: Unintentional opioid overdose deaths are a public health crisis, and naloxone is the most effective harm reduction tool to curb many of these deaths. There is growing evidence that take-home naloxone can prevent opioid overdose in targeted populations. The goal of this study is to measure the opioid overdose reversal rate with take-home naloxone among participants with a diagnosis of opioid use disorder (OUD) in an opioid treatment program (OTP) setting. METHODS: Patients enrolled in an outpatient OTP program were eligible for this prospective cohort study between April 4, 2016 and July 4, 2016. Two hundred forty-four study participants received overdose education, instruction on how to use naloxone, and were provided with 2 doses of a take-home naloxone auto-injector kit. They were subsequently followed for 3 months. RESULTS: Thirty-one study participants reported overdose reversals using naloxone auto-injector kits on 38 community members. All overdose reversals were heroin-related. Eighty-seven per cent of the community members reversed with naloxone were friends or relatives of the study participants. CONCLUSIONS: This study validates that naloxone is not commonly used on the index study participant, but is often used on a secondary target among people who inject drugs. The large number of overdose reversals reported in this prospective study suggests that this novel model for naloxone use may be replicated at other OTP settings to reduce opioid overdose deaths. PMID- 29227323 TI - Small-Scale Sustainable Water Project Decreases Infections, Complements Short Term Medical Missions. AB - Many communities in developing countries do not have access to clean water, which is essential to health. This project involved the installation of clean water filters in two rural Guatemalan villages, a small-scale sustainable community project proposed by a short-term medical mission team and accomplished in partnership with local missionaries. The percentage of infections in adult visitors to medical clinics was assessed pre- and post-installation of filters, and although not statistically significant, decreased. PMID- 29227322 TI - No Clear Benefit of Chlorhexidine Use at Home Before Surgical Preparation. AB - INTRODUCTION: Several studies have evaluated the efficacy of home use of chlorhexidine before surgery to reduce bacterial colonization. However, these studies have provided conflicting evidence about the potential efficacy of this strategy in decreasing bacterial loads and infection rates across surgical populations, and no prior study has analyzed the benefit of this intervention before spine surgery. We prospectively analyzed the effectiveness of chlorhexidine gluconate wipes for decreasing bacterial counts on the posterior neck. METHODS: Sixteen healthy adults participated in this prospective study. The right side of each participant's neck was wiped twice (the night before and the morning of the experiment) with chlorhexidine gluconate wipes. The left side was used as the control region. Bacterial swabs were obtained as a baseline upon enrollment in the study, then upon arrival at the hospital, and, finally, after both sides of the neck had received standard preoperative scrubbing. RESULTS: All patients had positive baseline bacterial growth (median >1,000 colonies/mL). When chlorhexidine gluconate wipes were used, decreased bacterial counts were noted before the preoperative scrub, but this finding was not statistically significant (P = 0.059). All patients had zero bacteria identified on either side of their neck after completion of the preoperative scrub. CONCLUSION: At-home use of chlorhexidine gluconate wipes did not decrease the topical bacterial burden. Therefore, using chlorhexidine gluconate wipes at home before surgery may offer no added benefit. PMID- 29227324 TI - Three-Dimensional Evaluation on the Effect of Maxillary Dentition Distalization With Miniscrews Implanted in the Infrazygomatic Crest. AB - OBJECTIVE: To evaluate the effect of the maxillary dentition distalization with miniscrews implanted in the infrazygomatic (IZ) crest with 3D reconstruction module from cone-beam computed tomography (CBCT). METHODS: Twenty patients who previously underwent dentition distalization treatment with miniscrews were recruited. A total of 40 images were obtained using CBCT, taken immediately before placement of the miniscrew anchorage and at the end of distalization. The 3D-line measurements were recorded to monitor dental changes. RESULTS: There was significant movement of maxillary dentition before and after treatment with miniscrews. The miniscrews induced maxillary dentition distalization and corrected Class II relationship in 8 months on average. The incisors were retracted 4.3 mm and extruded 3.8 mm at the crown on average. The crown of canines showed 3.7 mm of distalization and the width increased by 3.1 mm averagely. The mesial buccal cusp of first molars' crowns showed 3.5-mm distalization and 2.1-mm intrusion, and the width increased by 5.0 mm averagely. The distal buccal cusp of first molars' crowns showed 2.8-mm distalization and 3.7-mm intrusion, and the width increased by 6.2 mm averagely. CONCLUSIONS: The anchorage of miniscrews implanted in the IZ crest is an efficient device for maxillary dentition distalization. PMID- 29227325 TI - Study of Insulin Resistance in Patients With beta Thalassemia Major and Validity of Triglyceride Glucose (TYG) Index. AB - Complications like impaired glucose tolerance and diabetes mellitus due to iron overload need early identification in thalassemia. We studied the proportion of insulin resistance in thalassemia major patients on chronic transfusion, identified insulin resistance using homeostasis model assessment of insulin resistance (HOMA-IR) and triglyceride glucose (TYG) index, compared them and validated TYG index. In total, 73 thalassemia patients on regular transfusion for 3 years with serum ferritin >1500 ng/mL were studied. Serum ferritin, fasting blood glucose, triglycerides, and insulin levels were measured, HOMA-IR, and TYG index calculated and analyzed. Mean fasting glucose, triglyceride, and serum insulin values were 104 mg/dL, 164.18 mg/dL, and 19.6 m IU/mL, respectively. Mean serum ferritin was 5156 ng/mL. Insulin resistance was prevalent in one third of thalassemia patients and showed increase with age and serum ferritin. Insulin resistance by HOMA-IR was 32% as against 16% by TYG index with a cut-off value of 4.3. Using receiver operating charecteristic curve analysis, it was found that, by lowering the value of TYG index to 4.0215, sensitivity improved to 78.3% (from 39.13%) with specificity of 70%. Hence, we recommend a newer lower cut-off value of 4.0215 for TYG index for better sensitivity and specificity in identifying insulin resistance. PMID- 29227326 TI - Sudden Intracranial Hemorrhage in a Patient With Atypical Chronic Myeloid Leukemia in Chronic Phase. AB - A 16-year-old boy was incidentally found to have hyperleukocytosis during a school physical examination. He was diagnosed with atypical chronic myeloid leukemia in chronic phase. Although treatment with hydoxyurea was started, his white blood cell count increased and he eventually developed lethal intracranial hemorrhage. Although very rare, intracranial hemorrhage should be considered as a possible complication in patients with atypical chronic myeloid leukemia, even in chronic phase, if they have hyperleukocytosis and thrombocytopenia. PMID- 29227327 TI - Effect of nutritional risk on short-term outcomes after laparoscopic-assisted gastrectomy: a prospective study from two centers. AB - BACKGROUND/AIM: The aim of this prospective double-center study was to explore the effect of nutritional risk on short-term outcomes in the patients who had gastric cancer and underwent a laparoscopic-assisted gastrectomy. PATIENTS AND METHODS: We conducted a study of patients who underwent laparoscopic-assisted gastrectomy in two large centers between June 2014 and April 2017. Patients' demographic and clinical characteristics and postoperative short-term outcomes were prospectively analyzed. Patients were divided into two groups depend on the preoperative presence of nutritional risk. Clinical variables were compared. Univariate analyses and multivariate logistic regression analyses evaluating the risk factors for postoperative complications were performed. RESULTS: A total of 256 patients, comprising 187 males and 69 females, met the inclusion criteria and were included in this study. The mean age was 61.81 years, the average BMI was 22.44 kg/m, and the average preoperative serum albumin was 39.42 g/l. Older age (P=0.001), higher tumor stage (P=0.047), lower BMI (P<0.001), lower preoperative serum albumin (P=0.005), and lower hemoglobin (P=0.013) were more common in the nutritional risk group. There were no significant differences in the short-term postoperative outcomes between nutritional risk and non-nutritional risk groups. Advanced age (P=0.024) and hypoalbuminemia (P=0.004) were independent risk factors for postoperative complications after laparoscopic-assisted gastrectomy. CONCLUSION: Nutritional risk may not be a clinical predictor of short-term outcomes after laparoscopic-assisted gastrectomy. Advanced age and preoperative hypoalbuminemia were independent risk factors for grade II or more postoperative complications. PMID- 29227328 TI - Limitations of teaching endoscopy. AB - BACKGROUND AND AIM: Endoscopic procedures of the gastrointestinal tract represent a category of diagnostic tests that considerably rely on skills and dexterity of a human tester. The present analysis aimed to delineate factors that affect the success of teaching endoscopy and potentially limit the acquisition of new skills and knowledge. METHODS: The performance of the endoscopist is described in terms of sensitivity and specificity. The outcomes of sequential testing and acquisition of new knowledge are calculated using matrix algebra. Teaching is modeled as an iterative process with an incremental improvement in a fellow's performance matrix. RESULTS: As a diagnostician, an endoscopist cannot measure beyond his/her own level of competence. The cognition and endoscopic skills of both the fellow and the attending physician determine how fast the fellow's endoscopic performance improves over time. The better the fellow's and the attending's abilities are to recognize and amend residual deficiencies, the faster the fellow's endoscopic performance improves. Severe or even complete diagnostic incompetence by either party can draw out the training process or even result in a complete standstill, respectively. CONCLUSION: The description of endoscopic performance in terms of test characteristics provides valuable insights into the influence of endoscopic performance characteristics on the outcome of endoscopy and on the constraints of teaching endoscopic skills. PMID- 29227329 TI - A systematic review and meta-analysis of second-line immunosuppressants for autoimmune hepatitis treatment. AB - INTRODUCTION: The gold-standard treatment for autoimmune hepatitis (AIH) is a prednisone/azathioprine combination. However, subgroups of patients may be unresponsive to this treatment. The aim of this study is to evaluate the efficacy of second-line immunosuppressive therapies for AIH through a systematic review and meta-analysis in adult patients. PATIENTS AND METHODS: The systematic review was registered at the PROSPERO platform under number 42015019831. Databases MEDLINE (PubMed), Lilacs, Cochrane, and Scielo were searched. The keywords used were 'Hepatitis, Autoimmune' and descriptors terms (MeSH and DeCS). These terms were linked with each immunosuppressant of interest. RESULTS: A total of 1532 studies were identified. Of these, 1492 were excluded on the basis of title and abstract reading. Among the 40 studies retrieved for detailed full-text analysis, a total of 15 fulfilled the inclusion criteria for the analysis. The most studied second-line immunosuppressive was mycophenolate mofetil (MM). The mean reduction of aminotransferases was observed in 94.3% with tacrolimus/prednisone, 91.3% for cyclosporine/prednisone, 85.5% for budesonide, and 78.7% MM/prednisone. For MM/prednisone, the mean rate of histological remission was 88.6%, liver transplantation was indicated in 11.4%, and the mortality rate was 7.2%. Limitations were also present, such as the lack of randomized-controlled trials and prospective studies, the small number of patients, and the heterogeneity between remission criteria. CONCLUSION: This is the first systematic review and meta-analysis to compare the second-line imunossupressant therapy for AIH. The most studied second-line immunosuppressive is the MM, with a reasonable histological remission. The use of combined tacrolimus/prednisone was the most effective for the normalization of aminotransferases. PMID- 29227330 TI - Total bile acid levels are associated with left atrial volume and cardiac output in patients with cirrhosis. AB - BACKGROUND AND AIMS: Bile acids (BAs) are potent signaling molecules involved in the regulation of several metabolic and functional aspects of cardiovascular homeostasis. BA pool alteration in cirrhosis may contribute toward the development of hemodynamic and cardiac disturbances. We aimed to investigate the association between total BA levels and echocardiographic and biochemical markers of cardiac dysfunction in cirrhotic patients. METHODS: Cirrhotic patients were enrolled prospectively in this hypothesis-generating study and evaluated for cardiac and hemodynamic dysfunction through clinical, echocardiographic, and biochemical means. Associations between total serum BA concentrations and markers of systolic or diastolic dysfunction and the presence of cirrhotic cardiomyopathy were tested through univariate and multivariate analyses. RESULTS: Fifty-eight patients with cirrhosis were assessed in this monocentric study. 49 (85%) patients had decompensated cirrhosis according to the Child class. The median total BA level was 45 umol/l. There was no correlation between BA levels and the etiology of cirrhosis (P=0.2), current alcohol use (P=0.8), sex (P=0.1), smoking status (P=0.2), age, or BMI. Systolic and diastolic dysfunction were rare in the cohort. Total BA levels associated with several echocardiographic parameters of the hyperdynamic syndrome in univariate analysis but only with left atrial volume in multivariate analysis (P=0.007). BA concentrations did not differ according to the presence of echocardiographically diagnosed cirrhotic cardiomyopathy in the two models tested. CONCLUSION: Total serum BA levels are associated with enlarged left atrial volume and markers of the hyperdynamic circulation in patients with cirrhosis irrespective of the etiology or the severity of liver disease. PMID- 29227331 TI - Unravelling new pathways of sterol metabolism: lessons learned from in-born errors and cancer. AB - PURPOSE OF REVIEW: To update researchers of recently discovered metabolites of cholesterol and of its precursors and to suggest relevant metabolic pathways. RECENT FINDINGS: Patients suffering from inborn errors of sterol biosynthesis, transport and metabolism display unusual metabolic pathways, which may be major routes in the diseased state but minor in the healthy individual. Although quantitatively minor, these pathways may still be important in healthy individuals. Four inborn errors of metabolism, Smith-Lemli-Opitz syndrome, cerebrotendinous xanthomatosis and Niemann Pick disease types B (NPB) and C (NPC) result from mutations in different genes but can generate elevated levels of the same sterol metabolite, 7-oxocholesterol, in plasma. How this molecule is metabolized further is of great interest as its metabolites may have an important role in embryonic development. A second metabolite, abundant in NPC and NPB diseases, cholestane-3beta,5alpha,6beta-triol (3beta,5alpha,6beta-triol), has recently been shown to be metabolized to the corresponding bile acid, 3beta,5alpha,6beta-trihydroxycholanoic acid, providing a diagnostic marker in plasma. The origin of cholestane-3beta,5alpha,6beta-triol is likely to be 3beta hydroxycholestan-5,6-epoxide, which can alternatively be metabolized to the tumour suppressor dendrogenin A (DDA). In breast tumours, DDA levels are found to be decreased compared with normal tissues linking sterol metabolism to cancer. SUMMARY: Unusual sterol metabolites and pathways may not only provide markers of disease, but also clues towards cause and treatment. PMID- 29227332 TI - Recent Advances in the Diagnosis of Malignant Mesothelioma: Focus on Approach in Challenging Cases and in Limited Tissue and Cytologic Samples. AB - Mesothelial proliferations can be diagnostically challenging in small specimens, such as body fluid cytology and small tissue biopsies. A great morphologic challenge for pathologists is the separation of benign reactive mesothelial proliferations from malignant mesotheliomas. Reactive mesothelial proliferations may have histologic features that resemble malignancy including increased cellularity, cytologic atypia, and mitoses. Recent advances in mesothelioma genetics resulted in identification of BAP1 mutations and p16 deletions as features of malignant mesotheliomas. Hence, BAP1 immunohistochemistry and fluorescence in situ hybridization for p16 emerged as 2 most common diagnostically helpful ancillary studies used on limited samples when the question is whether the proliferation is malignant or benign. In contrast, separation of mesothelioma from other malignancies is relatively straight forward using morphology and immunohistochemical stains. The choice of antibody panel to be applied in an individual case is driven by morphology, either epithelioid or sarcomatoid. This brief review will focus on morphology and ancillary testing of mainly pleural mesothelial proliferations. PMID- 29227333 TI - Illustrative cases for monitoring by quantitative analysis of BRAF/NRAS ctDNA mutations in liquid biopsies of metastatic melanoma patients who gained clinical benefits from anti-PD1 antibody therapy. AB - Anti-programmed death 1 (PD-1) monoclonal antibodies improve the survival of metastatic melanoma patients. Predictive or monitoring biomarkers for response to this therapy could improve the clinical management of these patients. To date, no established biomarkers are available for monitoring the response to immunotherapy. Tumor- specific mutations in circulating tumor DNA (ctDNA) such as BRAF and NRAS mutations for melanoma patients have been proposed for monitoring of immunotherapy response. We present seven illustrative cases for the use of ctDNA BRAF and NRAS mutations' monitoring in plasma. The cases described exemplify four distinct clinical benefit patterns: rapid and durable complete response (CR), early progression, followed by CR, CR followed by early progression after interrupting treatment and long-term disease stabilization. These representative cases suggest that comprehensive BRAF/NRAS ctDNA monitoring during anti-PD1 therapy is informative and can be of added value for the monitoring of melanoma patients gaining clinical benefit on anti-PD1 treatment. An important advantage of our approach is that using the cartridge system on the Idylla platform for mutation analysis, the results become available the same day 2 h after plasma collection. Therefore, in the future, the ctDNA level can be an element in the clinical management of the patients. PMID- 29227334 TI - Quantitative assessment of neuropilin-2 as a simple and sensitive diagnostic assay for spitzoid melanocytic lesions. AB - There is a significant need for the development of diagnostic tools that can precisely distinguish Spitz nevi and spitzoid melanomas. Here, we report the development of a PCR-based quantitative diagnostic assay for spitzoid melanocytic lesions utilizing the expression ratio of neuropilin-2 and melan-A genes in primary tumor specimens. We find that the expression ratio of neuropilin-2/melan A is significantly increased in spitzoid melanomas compared with Spitz nevi. The diagnostic potential of this quantitative assay was validated in two independent sets of patient samples as demonstrated in a receiver operating characteristic curve analysis showing an area under the curve value of 91.8%. Furthermore, the assay was found to quantitatively distinguish the clinical nature of atypical spitzoid melanocytic lesions that were diagnostically undetermined using histopathologic criteria alone. Our data indicate that this quantitative assay may be used as a tool in determining the diagnostic classification of histologically challenging spitzoid tumors. PMID- 29227335 TI - Usefulness of the Braden Scale in Intensive Care Units: A Study Based on Electronic Health Record Data. AB - Nurses working in intensive care units have expressed concern that some categories of the Braden scale such as activity and nutrition are not suitable for intensive care unit patients. Upon examining the validity of the Braden scale using the electronic health data, we found relatively low predictability of the tool. Risk factors from the sensory perception and activity categories were not associated with risk of pressure ulcers. PMID- 29227336 TI - Family Caregivers' Experiences of Within-Hospital Handoffs for Older Adults in Acute Care. AB - Family caregivers' experiences during within-hospital handoffs between acute care units are not well understood. Qualitative description methodology was employed to describe family caregivers' experiences during their loved ones' handoffs. Semistructured interviews were conducted with 10 caregivers of hospitalized older adults. Three themes emerged: Lack of care coordination, Muddling through handoffs alone, and Wariness toward the care delivery system. Findings can help clinicians shape their interactions with caregivers to maximize their involvement in post-hospital care. PMID- 29227337 TI - Six Nursing Care Problems in Hospitals: A Cross-Sectional Study of Quality of Care. AB - BACKGROUND: Investigations on the quality of nursing care relating to various care problems are rare. PURPOSE: This study assessed the (1) fulfillment of structural indicators, (2) application of nursing interventions as process indicators, and (3) prevalence rate as outcome indicators with regard to various care problems. METHODS: A cross-sectional multicenter study was conducted in 30 Austrian hospitals with 2878 patients. RESULTS: The highest number of structural quality indicators was fulfilled for pressure ulcers, falls, restraints, and pain. In malnutrition and urinary incontinence, a lack of structural indicators was observed. Most interventions were offered to patients with pressure ulcers or those who had experienced a fall. The lowest frequency of nursing interventions was seen in malnourished and incontinent persons. CONCLUSION: There is a need for the national adaptation of guidelines for malnutrition and urinary incontinence. This may increase the frequency of evidence-based nursing interventions. PMID- 29227338 TI - Associations Between Early Family Meal Environment Quality and Later Well-Being in School-Age Children. AB - OBJECTIVE: Past research suggests a positive link between family meals and child and adolescent health. Although researchers have often relied on how often families eat together, this may not capture the complexity of the experience. Using a birth cohort, this study examines the prospective associations between the environmental quality of the family meal experience at age 6 years and child well-being at age 10. METHODS: Participants are 1492 children of the Quebec Longitudinal Study of Child Development. When children were age 6, parents reported on their typical family meal environment quality. At age 10, parents, teachers, and children themselves provided information on lifestyle habits, academic achievement, and social adjustment, respectively. The relationship between early family meal environment quality and later child outcomes was analyzed using a series of multivariate linear regression. RESULTS: Family meal environment quality at age 6 predicted higher levels of general fitness and lower levels of soft drink consumption, physical aggression, oppositional behavior, nonaggressive delinquency, and reactive aggression at age 10. These relationships were adjusted for child characteristics (sex, temperament problems and cognitive abilities, and baseline body mass index [BMI]) and family characteristics (family configuration and functioning, maternal education, depression, and BMI). CONCLUSION: From a population-health perspective, our findings suggest that family meals have long-term influences on children's biopsychosocial well-being. At a time when family meal frequency is on a natural decline in the population, this environmental characteristic can become a target of home-based interventions and could be featured in information campaigns that aim to optimize child development. PMID- 29227339 TI - Comparison of Sulfur Hexafluoride (SF6) and Air Tamponade in Noniridectomized Descemet Membrane Endothelial Keratoplasty. AB - PURPOSE: To compare the efficacy and safety of 20% sulfur hexafluoride gas (SF6) and air tamponade in patients who underwent noniridectomized Descemet membrane endothelial keratoplasty (DMEK). METHODS: A retrospective chart review of patients who underwent DMEK with either air or SF6 tamponade: 41 eyes received air tamponade (group 1) and 41 received SF6 tamponade (group 2). Best spectacle corrected visual acuity, endothelial cell density, and complications including graft detachment and elevated intraocular pressure were compared. RESULTS: The mean follow-up time was 8 +/- 4 months in group 1 and 3 +/- 2 months in group 2. Mean best spectacle-corrected visual acuity improved from 1.12 +/- 0.88 to 0.64 +/- 0.78 logarithm of the minimum angle of resolution (logMAR) in group 1 (P = 0.009) and from 1.00 +/- 0.78 to 0.62 +/- 0.53 logMAR in group 2 (P = 0.006). The graft detachment rate was 39% (16 eyes) in group 1 and 42% (17 eyes) in group 2 (P = 0.822). The rate of graft detachment larger than one third of the graft area was 17% in group 1 and 20% in group 2 (P = 0.775). Rebubbling was performed in 26.8% and 20% of eyes in group 1 and 2, respectively (P = 0.43). Average endothelial cell loss was 32% in group 1 and 33% in group 2 (P = 0.83). In the immediate postoperative period, elevated intraocular pressure was observed in 2 eyes (5%) in group 1 and in 4 eyes (10%) in group 2 (P = 0.4). There was 1 primary graft failure in each group. CONCLUSIONS: Use of air with it being readily available and short acting is a good method of Descemet membrane tamponade in noniridectomized DMEK. PMID- 29227340 TI - Corneal Transplantation in New Zealand 2000 to 2009. AB - PURPOSE: To quantify all minor/major adverse events in a large cohort of consecutive corneal transplants, particularly in respect to penetrating keratoplasty (PKP). METHODS: All corneal transplants in the Auckland region over a 10-year period (2000-2009) were identified through the New Zealand National Eye Bank. Relevant clinical records were assessed for this period and 2 years after. All intraoperative or postoperative adverse events/complications, visual acuity, and graft outcomes were recorded. RESULTS: Detailed data were available for 941 (94.5%) of 996 procedures in the study period, including 834 PKPs, 73 deep anterior lamellar keratoplasties, 28 Descemet stripping endothelial keratoplasties, and 6 tectonic keratoplasties. Intraoperative adverse events occurred in 117 (12.4%) procedures, most commonly positive vitreous pressure (6.3%). Postoperative adverse events included elevated intraocular pressure (21.3%, >30 mm Hg), graft rejection (29.8%), suture-related complications (30.1%), dry eye (15.9%), epithelial defect (9.8%), wound compromise (3.4%), microbial keratitis (3.2%), and endophthalmitis (0.6%). At 2 years, 58.7% of eyes achieved best-corrected visual acuity of >=6/12 (20/40) and 69.6% achieved >=6/18 (20/60). Graft survival at 2 years was 87.9%, 92.3%, and 100% for PKP, deep anterior lamellar keratoplasty, and Descemet stripping endothelial keratoplasty, respectively. CONCLUSIONS: In this study of 941 consecutive, principally penetrating, corneal transplants, adverse events were found to be more common than typically reported. In an era in which PKP is increasingly substituted by lamellar surgery, this provides useful insight into operative and postoperative adverse events in penetrating surgery. PMID- 29227341 TI - Characterization of Corneal Endothelial Injury During Penetrating Keratoplasty. AB - PURPOSE: To characterize corneal endothelial injury during penetrating keratoplasty in a controlled wet laboratory environment using human tissue. To identify potential areas or steps within surgery in which insult to the corneal endothelium may be most affected by trauma during routine penetrating keratoplasty. METHODS: Human donor corneas (n = 12) with intact endothelium underwent experimental penetrating keratoplasty. Endothelial injury was evaluated after each suture quartile using trypan staining, a validated modality for assessing endothelial injury. Insult was quantified using high-resolution photography and computer software. RESULTS: Statistical significance was found in the change in staining between quartiles as determined by repeated-measures analysis of variance (F3,11 = 5.83, P < 0.0044). A post hoc Tukey test indicated that the change in staining during the first quartile (3.38% +/- 0.5%) was significantly lower than the remaining quartiles at P < 0.021. The change in staining did not differ significantly between the second (8.36% +/- 1.2%), third (7.88% +/- 1.2%), and fourth (7.73% +/- 0.9%) quartiles at P > 0.97. CONCLUSIONS: Evidence from this investigation suggests that injury to the endothelium occurs most during the second quartile. This may be a promising area in which clinicians could target their efforts to avoid injury to this vital tissue layer for best surgical outcomes and graft longevity. PMID- 29227343 TI - Golgi fragmentation induced by overactivated cyclin-dependent kinase 5 is associated with isoflurane-induced neurotoxicity. AB - Overactivated cyclin-dependent kinase 5 (Cdk5) induces Golgi fragmentation, which interrupts the processing and trafficking of secretory cargo and subsequently synaptic plasticity and synaptogenesis, and even leads to neuronal cell death. Cdk5 overactivation and subsequent Golgi fragmentation are involved in many neurodegenerative diseases. However, whether isoflurane-induced neurotoxicity is relevant to aberrant Cdk5 activation and subsequent Golgi fragmentation remains unknown. In the present study, we explored the underlying molecular mechanisms of isoflurane-induced neurotoxicity in primary cultured hippocampal neurons. After treatment with 2% isoflurane for 6 h, immunofluorescence staining and transmission electron microscopy were used to examine the Golgi structure. Neuronal viability was evaluated using the 3-(4,5-dimethyithiazol-2-yl)-2,5 diphenyl-tetrazolium bromide (MTT) assay and TUNEL staining. Cdk5 activity was assessed using histone H1 as a substrate. Our results showed that Cdk5 activity and the number of fragmented Golgi increased significantly after isoflurane exposure. This was accompanied by an increase in neuronal death. Meanwhile, pharmacological inhibition of Cdk5 activity by 8 uM roscovitine alleviated isoflurane-induced Golgi fragmentation and neurotoxicity. Cumulatively, this study shows that aberrant Cdk5 activation-induced Golgi fragmentation is relevant to isoflurane neurotoxicity and indicates that a Cdk5 inhibitor may be a potential therapeutic candidate for the prevention of isoflurane-induced neurotoxicity. Video abstract: http://links.lww.com/WNR/A445. PMID- 29227342 TI - Eyelid Changes Related to Meibomian Gland Dysfunction in Early Middle-Aged Patients Using Topical Glaucoma Medications. AB - PURPOSE: To investigate the relationship between topical glaucoma medications and meibomian gland dysfunction (MGD) in early middle-aged patients with glaucoma. METHODS: In this cross-sectional study, 50 patients with glaucoma younger than 50 years who had used topical glaucoma medications for more than 6 months and 40 normal controls of similar age were included. Patients in each group were graded for MGD (0-4) using slit-lamp microscopy. Tear film breakup time (BUT), ocular surface staining, and Marx line scores were also evaluated. Differences between both groups were analyzed statistically. RESULTS: The prevalence of MGD was 82% in the group using topical glaucoma medications and 52.5% in the control group. The average period of topical glaucoma medication use was 27.4 months. There were significant differences in the breakup time and Marx line score according to the presence of MGD. Although the duration of topical glaucoma medication use and the severity of MGD did not show a significant correlation, the degree of MGD and the Marx line score were significantly correlated. CONCLUSIONS: Glaucoma eye drops may be one factor affecting the eyelid changes associated with MGD. The Marx line score may be used as an index to evaluate MGD in patients with glaucoma. PMID- 29227345 TI - Response: "Percutaneous Vascular Interventions Versus Bypass Surgeries in Patients With Critical Limb Ischemia". PMID- 29227344 TI - Predictors of Resectability and Survival in Patients with Borderline and Locally Advanced Pancreatic Cancer who Underwent Neoadjuvant Treatment with FOLFIRINOX. AB - OBJECTIVE: The aim of this study was to determine (1) whether preoperative factors can predict resectability of borderline resectable (BR) and locally advanced (LA) pancreatic ductal adenocarcinoma (PDAC) after neoadjuvant FOLFIRINOX, (2) which patients might benefit from adjuvant therapy, and (3) survival differences between resected BR/LA patients who received neoadjuvant FOLFIRINOX and upfront resected patients. BACKGROUND: Patients with BR/LA PDAC are often treated with FOLFIRINOX to obtain a margin-negative resection, yet selection of patients for resection remains challenging. METHODS: Clinicopathologic data of PDAC patients surgically explored between 04/2011 11/2016 in a single institution were retrospectively collected. RESULTS: Following neoadjuvant FOLFIRINOX, 141 patients were surgically explored (BR: 49%, LA: 51%) and 110 (78%) were resected. Resected patients had lower preoperative CA 19-9 levels (21 vs 40 U/mL, P = 0.03) and smaller tumors on preoperative computed tomography (CT) scan (2.3 vs 3.0 cm, P = 0.03), but no predictors of resectability were identified. Median overall survival (OS) was 34.2 months from diagnosis for all FOLFIRINOX patients and 37.7 months for resected patients. Among resected patients, preoperative CA 19-9 >100 U/mL and >8 months between diagnosis and surgery predicted a shorter postoperative disease-free survival (DFS); Charlson comorbidity index >1, preoperative CA 19-9 >100 U/mL and tumor size (>3.0 cm on CT or >2.5 cm on pathology) predicted decreased OS. DFS and OS were significantly better for BR/LA PDAC patients treated with neoadjuvant FOLFIRINOX compared with upfront resected patients (DFS: 29.1 vs 13.7, P < 0.001; OS: 37.7 vs 25.1 months from diagnosis, P = 0.01). CONCLUSION: BR/LA PDAC patients with no progression on neoadjuvant FOLFIRINOX should be offered surgical exploration. Except size, traditional pathological parameters fail to predict survival among resected FOLFIRINOX patients. Resected FOLFIRINOX patients have survival that appears to be superior than that of resectable patients who go directly to surgery. PMID- 29227346 TI - Surgical Resection of the Primary Tumor in Women With De Novo Stage IV Breast Cancer: Contemporary Practice Patterns and Survival Analysis. AB - OBJECTIVE: We evaluated patterns of surgical care and their association with overall survival among a contemporary cohort of women with stage IV breast cancer. BACKGROUND: Surgical resection of the primary tumor remains controversial among women with stage IV breast cancer. METHODS: Women diagnosed with clinical stage IV breast cancer from 2003 to 2012 were identified from the American College of Surgeons National Cancer Database. Those with intact primary tumors who were alive 12 months after diagnosis were categorized by treatment sequence: (1) surgery before systemic therapy, (2) systemic therapy before surgery, and (3) systemic therapy alone. Multivariate logistic regression was used to estimate the association of treatment sequence with surgery type. Overall survival was estimated using multivariate Cox proportional hazards models. RESULTS: Among 24,015 women, 56.2% (13,505) underwent systemic therapy alone and 43.8% (10,510) underwent surgical resection. Rates of surgery decreased slightly over time (43.1% in 2003 to 41.9% in 2011). Treatment with systemic therapy before surgery was associated with larger tumor size (median 4.5 vs 3.1 cm, P < 0.001) and receipt of mastectomy (81.4% vs 52.2%, P < 0.001) when compared to those who underwent surgery first. Receipt of surgery, whether before or after systemic therapy (Hazard Ratio, 0.68; 95% confidence interval, 0.62-0.73; Hazard Ratio, 0.56; 95% confidence interval, 0.52-0.61; P < 0.001), was independently associated with improved adjusted overall survival when compared to systemic therapy alone. CONCLUSIONS: Surgical resection of the primary tumor occurs in almost half of women with stage IV breast cancer alive 1 year after diagnosis, and is increasingly occurring after systemic therapy. Coordinated multidisciplinary care remains highly relevant in the setting of metastatic breast cancer, where surgical decisions should be made on an individual basis and may affect survival in select women. PMID- 29227347 TI - Surgeons as Part of the Solution: Changing the Culture of Opioid Prescribing. PMID- 29227348 TI - Quantitative PET/CT in clinical practice: assessing the agreement of PET tumor indices using different clinical reading platforms. AB - OBJECTIVE: The aim of this study was to determine whether various fluorine-18 fluorodeoxyglucose PET/CT-derived parameters used in oncology vary significantly depending on the interpretation software systems used in clinical practice for multiple human solid tumors. PATIENTS AND METHODS: A total of 120 fluorine-18 fluorodeoxyglucose PET/CT studies carried out in patients with pancreatic, lung, colorectal, and head and neck cancers were evaluated retrospectively on two different vendor software platforms including Mirada and MIMVista. Regions of interest were placed on the liver to determine the liver mean standardized uptake value at lean body mass (SUL) and on each tumor to determine the SULmax, SULpeak. Total lesion glycolysis (TLG) and metabolic tumor volume (MTV) were determined using fixed thresholds of 50% of SULmax and SULpeak. Inter-reader, intersystem intraclass correlations, systematic bias, and variability reflected by the 95% limits of agreement, and precision were determined. RESULTS: There was excellent inter-reader reliability between the readers and the two software systems, with intraclass correlations more than 0.9 for all PET metrics, with P values less than 0.0001. The bias and SD on Bland-Altman analysis between the two software platforms for tumor SULmax, SULpeak, Max50MTV, and Peak50MTV, respectively, for Reader 1 were -1.52+/-2.24, 0.80+/-3.67, -0.80+/-13.01, and -4.49+/-20.6. For Reader 2, the biases were -1.62+/-1.95, 0.18+/-3.60, -0.27+/-4.64, and -3.13+/ 8.30. The precision between the two systems was better for SULmax and SULpeak, with less variance observed, than for volume-based metrics such as Max50MTV and Peak50MTV or TLG. CONCLUSION: Excellent correlation has been found between two tested software reading platforms for all PET-derived metrics in a dual-reader analysis. Overall, the SULmax and SULpeak values had less bias and better precision compared with the MTV and TLG. PMID- 29227349 TI - SEVERE IMMUNE-MEDIATED THROMBOCYTOPENIA AFTER INTRAVITREAL BEVACIZUMAB INJECTION. AB - PURPOSE: To report a case of severe immune-mediated thrombocytopenia after intravitreal bevacizumab administration. METHODS: A 77-year-old man with right sided macular degeneration received intravitreal bevacizumab. After his third treatment dose, he was hospitalized for symptomatic thrombocytopenia (platelet count of 3 k/MUL) and underwent testing to determine the etiology. RESULTS: Initial platelet counts on admission were 3 k/MUL, down from 238 k/MUL 3 months before. A peripheral smear, coagulation studies, and an abdominal CT were unremarkable. A bone marrow biopsy revealed hypercellular marrow with megakaryocytic hyperplasia. Serum antiplatelet antibody testing identified antibodies against glycoprotein IV and human leukocyte antigens. A total of 13 units of platelets were administered and resulted in no significant response. Treatment with rituximab, romiplostim, and human leukocyte antigen-matched platelets resulted in slow recovery and normalization of platelet counts. CONCLUSION: The case presented shows apparent severe immune-mediated thrombocytopenia after intravitreal bevacizumab administration. PMID- 29227350 TI - TAMOXIFEN RETINOPATHY DURING TREATMENT OF AN INOPERABLE DESMOID TUMOR. AB - PURPOSE: To evaluate the clinical significance and rarity of tamoxifen retinopathy after a long-term tamoxifen treatment for an inoperable desmoid tumor. METHODS: Case report. RESULTS: Tamoxifen retinopathy is a condition rarely observed in clinical practice. Although tamoxifen is typically a treatment for breast cancer patients, we present a 68-year-old woman taking tamoxifen for an inoperable desmoid tumor, an equally rare condition. She presented with bilaterally deteriorating vision over the course of a year. Fundoscopic examination revealed parafoveal deposits bilaterally. Spectral domain optical coherence tomography exhibited hyperreflective deposits in all layers of the retina. She had a cumulative treatment dose of 292 g of tamoxifen, and the medication was subsequently stopped. Her vision remained stable 3 months after the cessation of tamoxifen. CONCLUSION: The development of tamoxifen retinopathy in the treatment of a desmoid tumor makes this case a rare entity, and this is the first reported case of these two concomitant conditions to our knowledge. With the use of long-term tamoxifen as a primary treatment, we recommend screening at regular intervals by an ophthalmologist as an integral part of treatment. PMID- 29227351 TI - Impact of pectoral nerve block on postoperative pain and quality of recovery in patients undergoing breast cancer surgery: A randomised controlled trial. AB - BACKGROUND: In recent years, thoracic wall nerve blocks, such as the pectoral nerve (PECS) block and the serratus plane block have become popular for peri operative pain control in patients undergoing breast cancer surgery. The effect of PECS block on quality of recovery (QoR) after breast cancer surgery has not been evaluated. OBJECTIVES: To evaluate the ability of PECS block to decrease postoperative pain and anaesthesia and analgesia requirements and to improve postoperative QoR in patients undergoing breast cancer surgery. DESIGN: Randomised controlled study. SETTING: A tertiary hospital. PATIENTS: Sixty women undergoing breast cancer surgery between April 2014 and February 2015. INTERVENTIONS: The patients were randomised to receive a PECS block consisting of 30 ml of levobupivacaine 0.25% after induction of anaesthesia (PECS group) or a saline mock block (control group). The patients answered a 40-item QoR questionnaire (QoR-40) before and 1 day after breast cancer surgery. MAIN OUTCOME MEASURES: Numeric Rating Scale score for postoperative pain, requirement for intra-operative propofol and remifentanil, and QoR-40 score on postoperative day 1. RESULTS: PECS block combined with propofol-remifentanil anaesthesia significantly improved the median [interquartile range] pain score at 6 h postoperatively (PECS group 1 [0 to 2] vs. Control group 1 [0.25 to 2.75]; P = 0.018]. PECS block also reduced propofol mean (+/- SD) estimated target blood concentration to maintain bispectral index (BIS) between 40 and 50 (PECS group 2.65 (+/- 0.52) vs. Control group 3.08 (+/- 0.41) MUg ml; P < 0.001) but not remifentanil consumption (PECS group 10.5 (+/- 4.28) vs. Control group 10.4 (+/- 4.68) MUg kg h; P = 0.95). PECS block did not improve the QoR-40 score on postoperative day 1 (PECS group 182 [176 to 189] vs. Control group 174.5 [157.75 to 175]). CONCLUSION: In patients undergoing breast cancer surgery, PECS block combined with general anaesthesia reduced the requirement for propofol but not that for remifentanil, due to the inability of the PECS block to reach the internal mammary area. Further, PECS block improved postoperative pain but not the postoperative QoR-40 score due to the factors that cannot be measured by analgesia immediately after surgery, such as rebound pain. TRIAL REGISTRATION: This trial is registered with the University Hospital Medical Information Network Clinical Trials Registry (UMIN000013435). PMID- 29227352 TI - Epidemiology of axial spondyloarthritis: an update. AB - PURPOSE OF REVIEW: To provide an update of the prevalence and incidence of axial spondyloarthritis in the general population and in patients with spondyloarthritis-related conditions, environmental risk factors for ankylosing spondylitis, progression from nonradiographic axial spondyloarthritis to ankylosing spondylitis, mortality, and risks for cardiovascular events in patients with ankylosing spondylitis. RECENT FINDINGS: Increasingly, administrative healthcare data have been used to study disease frequency and outcomes. The prevalence of ankylosing spondylitis ranged from 9 to 30 per 10 000 persons, which are lower than previous estimates. Data on whether childhood infections influence the risk of ankylosing spondylitis were equivocal, while having been breast-fed may be protective. Progression of patients with nonradiographic axial spondyloarthritis to ankylosing spondylitis is slow, with estimates of 5.1% in 5 years and 19% in 10 years. Risk of mortality is slightly increased in ankylosing spondylitis. Risks for cardiovascular events in ankylosing spondylitis were either not different from, or only slightly higher than in controls. No studies have examined these outcomes in the broader group of patients with axial spondyloarthritis. SUMMARY: Expanded use of administrative and registry data has facilitated studies of the epidemiology of ankylosing spondylitis, but lack of specific diagnostic codes limits use of these resources for studying axial spondyloarthritis in general. PMID- 29227354 TI - Current views on the pathogenesis of Sjogren's syndrome. AB - PURPOSE OF REVIEW: The purpose of this review is to provide an insight into the pathophysiological mechanisms involved in the pathogenesis of primary Sjogren's Syndrome (pSS), highlighting recent findings with potential therapeutic repercussions. RECENT FINDINGS: In the last 2 years, epigenetic analyses provided new insights into pSS pathogenesis. Characterization of DNA methylation patterns, chromatin structures and microRNA confirmed the importance of aberrant interferon and B-cell responses in the development of the disease. The formation of ectopic B-cell follicles with germinal centers is now a well recognized pathogenic mechanism within salivary glands of pSS. In the context of ectopic germinal centers reaction, T/B-cell interactions, that is regarding T-helper 17 and T follicular helper cells, and their respective counterparts, T-regulatory and T follicular regulatory cells, appear particularly relevant in pSS pathogenesis as their imbalance is associated with a dysregulation of B-cell dynamics and the production of autoantibodies. SUMMARY: Advances in the understanding of pSS pathogenesis have paved the way for clinical trials with novel biologic agents targeting immune pathways regulating T/B-cell interactions and downstream B-cell activation. Reverse translation from these studies provides invaluable novel information of the mechanisms sustaining autoimmunity and chronic inflammation in pSS. PMID- 29227353 TI - Epidemiology of osteoarthritis: literature update. AB - PURPOSE OF REVIEW: The purpose of this review is to highlight recent studies of osteoarthritis epidemiology, including research on prevalence, disease impact, and potential risk factors. RECENT FINDINGS: Osteoarthritis is highly prevalent in the United States and around the globe. It is a leading cause of disability and can negatively impact people's physical and mental well being. Healthcare resources and costs associated with managing the disease can be substantial. There is increasing evidence that there are different osteoarthritis phenotypes that reflect different mechanisms of the disease. Various person-level risk factors are recognized, including sociodemographic characteristics (e.g. female sex, African-American race), genetic predispositions, obesity, diet-related factors, and high bone density/mass. Joint-level risk factors include specific bone/joint shapes, thigh flexor muscle weakness, joint malalignment, participation in certain occupational/sports activities, and joint injury. Recent studies have enhanced our understanding of preradiographic lesions associated with osteoarthritis. SUMMARY: Application of these new findings may allow us to develop innovative strategies and novel therapies with the purpose of preventing new disease onset and minimizing disease progression. PMID- 29227355 TI - Basic calcium phosphate crystal-associated musculoskeletal syndromes: an update. AB - PURPOSE OF REVIEW: Basic calcium phosphate (BCP) crystals are associated with two important musculoskeletal syndromes. Deposition of BCP crystals in tendons, bursae, and other soft tissues around joints causes calcific periarthritis, whereas intra-articular BCP crystals contribute to osteoarthritis and cause the highly destructive arthritis known as Milwaukee Shoulder Syndrome. The epidemiology and natural history of these syndromes are poorly understood, and because the pathogenesis remains unclear, few targeted therapies are available. I will review new developments in this field. RECENT FINDINGS: I will discuss a case collection of calcific periarthritis of the hip, and evidence-based management strategies for shoulder calcific periarthritis that might be applied to calcific periarthritis at other locations. I will summarize several recent articles addressing mechanisms of crystal formation and identifying pathways through which BCP crystals produce tissue damage and explore some newly identified risk factors for pathologic mineralization. SUMMARY: We are making slow, but steady progress in understanding the clinical presentation of calcific periarthritis in sites other than the shoulder. A growing appreciation of the mechanisms through which BCP crystals mediate tissue damage should lead to the development of novel management strategies for these common musculoskeletal syndromes. PMID- 29227356 TI - Novel advances on tissue immune dynamics in HIV/simian immunodeficiency virus: lessons from imaging studies. AB - PURPOSE OF REVIEW: To describe recent findings on the effect of HIV/SIV infection on lymph node viral and T-cell dynamics using imaging-based methodologies. RECENT FINDINGS: Chronic infection, particularly HIV/SIV, alters dramatically the microenvironment, immune cell frequency, distribution, function and tissue organization of secondary lymphoid tissues. These changes are not always reversible. Over the past few years, the implementation of advanced imaging protocols on human lymph node biopsies as well as on longitudinal lymphoid tissues samples from nonhuman primates (NHP) have provided a wealth of information on how local immune responses evolve over time in response to a persisting retroviral pathogen. Most of the information concerns cytotoxic and helper T cells and viral dynamics. In this review, we detail this information focusing on HIV/SIV infection. We also comment on the gaps that imaging technologies have bridged in our understanding and discuss the translational value of these new findings in the light of emerging therapeutic agendas. SUMMARY: Novel imaging platforms allow for dissecting the spatiotemporal dynamics of immune interactions further improving our understanding of the interplay between virus and host and providing important information for designing successful preventive and curative strategies. PMID- 29227357 TI - Risk Management Interventions to Reduce Injuries and Maximize Economic Benefits in U.S. Mining. AB - OBJECTIVE: Risk management (RM) is a cyclical process of identifying and ranking risks, implementing controls, and evaluating their effectiveness. This study aims to identify effective RM interventions in the U.S. mining industry. METHODS: RM interventions were identified in four companies representing metal, aggregate, and coal mining sectors. Injury rates were determined using Mine Safety and Health Administration (MSHA) data and changes in injury rates identified through change point analysis. Program implementation costs and associated changes in injury costs were evaluated for select interventions. RESULTS: Six of 20 RM interventions were associated with a decline in all injuries and one with a reduction in lost-time injuries, all with a positive return on investment. CONCLUSION: Reductions in injuries and associated costs were observed following implementation of a limited number of specific RM interventions. PMID- 29227358 TI - The Impact of Work Ability on Work Motivation and Health: A Longitudinal Study Based on Older Employees. AB - OBJECTIVE: Work participation is determined by work motivation and work ability with health as a significant component. Within the lidA-study, we explore the impact of work ability on work motivation and health with consideration of further influencing factors. METHODS: Four thousand one hundred nine older employees were interviewed two times (t0 = 2011, t1 = 2014). Two multivariate analyses were performed regarding the influence of work ability on work motivation (Model 1) and health (Model 2). RESULTS: Within the multivariate analysis, of all the influencing factors, work ability has the strongest effect on work motivation (F = 37.761) and health (F = 76.402). It appears as a decisive determinant for both dimensions. CONCLUSION: Regarding the results, it is useful to focus on the work ability of older employees in order to maintain and boost their work motivation and health. PMID- 29227359 TI - Is Employer-Directed Medical Care Associated With Decreased Workers' Compensation Claim Costs? AB - BACKGROUND: The financial impact regarding choice of physician within the workers' compensation domain has not been well studied. OBJECTIVE: The aim of this study was to assess the difference in claim cost between employee- and employer-directed choice of treating physician after injury. METHODS: Thirty-five thousand six hundred forty indemnity lost time claims from a 13-year period at a nationwide company were analyzed with multivariate logistic regression to determine the association of medical direction with risk of high-cost claims. RESULTS: States that have employer-directed physician choice were associated with a lower risk of having high-cost claims (>=$50,000) but higher attorney involvement than employee direction. The net effect of this enhanced presence of attorneys offsets the benefits of employer choice of treating physician. CONCLUSION: States that permit employer selection of treating physician have slightly higher cost due to the higher prevalence of attorney involvement in the claims process. PMID- 29227360 TI - The Importance of Specific Workplace Environment Characteristics for Maximum Health and Performance: Healthcare Workers' Perspective. AB - OBJECTIVE: To examine the importance of specific workplace environment characteristics for maximum health and performance, assigned by healthcare employees, and how they relate to the nature of their work. METHODS: A cross sectional mixed-method study was conducted with content analysis and robust regression models to examine the relationship between workplace environment characteristics and perceived importance in promoting health and performance. RESULTS: Our findings suggest that perceptions of key environment characteristics that safeguard health and performance in healthcare workplaces may vary by employee sex, setting, and nature of healthcare work involved. Theme and model descriptions of the influence of these factors on participant perceptions are provided. CONCLUSIONS: Employee feedback on workplace characteristics that impact health and performance could be instrumental in determining the priorities of workplace design. PMID- 29227362 TI - Comorbidity of Airway Inflammatory Diseases in Chemical and Building-Related Intolerance. AB - OBJECTIVES: This study investigated comorbidity in chemical intolerance (CI) and building- related intolerance (BRI) with (i) chronic sinusitis, chronic obstructive pulmonary disease, allergic and nonallergic asthma and allergic rhinitis, and (ii) airway inflammatory symptoms. METHODS: Data from two population-based questionnaire surveys, the Vasterbotten and Osterbotten Environmental Health Studies, were used. The participants were categorized as CI or BRI and referents, and binary logistic regression analysis was applied. RESULTS: Prevalence rates for the case groups were 7.2% to 40.0% for diseases and 24.3% to 68.9% for symptoms, whereas adjusted odds ratios (ORs) were 3.4 to 26.1 for diseases and 3.3 to 17.0 for symptoms, all being significantly higher than unity. Prevalence rates and ORs were in general higher in BRI than in CI. CONCLUSION: Inflammatory airway diseases and symptoms are associated with CI and BRI, which encourages further research regarding underlying mechanisms and treatments. PMID- 29227361 TI - Association Between Blood Pressure and Retinal Vessel Diameters Among Police Officers in the US Northeast. AB - OBJECTIVE: The aim of this study was to examine relationships of blood pressure with central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) among 242 police officers. METHODS: Computerized retinal images of each eye were taken. Mean values of CRAE and CRVE were compared across hypertension status categories using analysis of variance and analysis of covariance. Associations of mean arterial blood pressure (MABP) with CRAE and CRVE were obtained using regression models. RESULTS: CRAE was significantly narrower in officers with uncontrolled hypertension (142.8 +/- 2.7 MUm), compared with those with controlled hypertension (153.6 +/- 2.7 MUm, P = 0.0013) and those with no hypertension (156.4 +/- 1.0 MUm, P <= 0.0001) after covariate adjustment. CRAE decreased by 3.43 MUm for each 5 mm Hg increase in MABP (P <= 0.0001). CONCLUSION: Uncontrolled hypertension was significantly associated with narrower retinal arterioles. No association was observed with retinal venules. PMID- 29227363 TI - Psychosocial Factors and Surgical Outcomes in Adult Spinal Deformity: Do Dementia Patients Have More Complications? AB - STUDY DESIGN: Retrospective analysis of a prospectively collected, national inpatient hospital database. OBJECTIVE: We aimed to investigate comorbid psychiatric disorders in the adult spinal deformity (ASD) population. We hypothesized that a high incidence of comorbid psychiatric disorders in ASD would negatively impact perioperative outcomes. SUMMARY OF BACKGROUND DATA: Patients with adult spinal fusion (ASF) suffer from severe back pain and often depression. Psychiatric comorbidities in the ASD population are not well understood, despite the apparent psychological effects of spinal deformity-related self-image. METHODS: The Nationwide Inpatient Sample databases from 2001 to 2009 were queried for patients ages 18 years or older with in-hospital stays including a spine arthrodesis. Patients were divided into two groups: ASD (diagnosis of scoliosis, excluding neuromuscular and congenital) and all other ASF. Subjects were further stratified by presence of a comorbid psychiatric diagnosis. Differences between each surgical group in psychiatric frequency and complications were calculated using analysis of variance, adjusted for operative complexity. A binary logistic regression analyzed the association between psychiatric diagnoses and likelihood of complications. RESULTS: A total of 3,366,352 ASF and 219,975 ASD patients were identified. The rate of comorbid psychiatric diagnoses in ASD was significantly higher (23.5%) compared to ASF patients (19.4%, P < 0.001). Complication rates were higher for ASD compared to ASF; patients without a psychiatric diagnosis had lower (or comparable) complication rates than psychiatric patients, across all disorder categories. Patients with psychotic disorders and dementia showed more complications than controls; patients with mood, anxiety and alcohol disorders showed fewer. CONCLUSION: Psychiatric comorbidities are more common in the ASD population than in adult fusion patients. ASD and ASF patients with the most common psychiatric disorders (mood, anxiety, and alcohol abuse) are not at increased risk for complications compared to controls. Those patients with psychotic disorders and dementia are at a significant risk for increased complications and surgeons should be aware of these specific risks. LEVEL OF EVIDENCE: 2. PMID- 29227364 TI - Posterolateral Diskectomies for Treatment of Pediatric Spinal Deformities. AB - STUDY DESIGN: Retrospective. OBJECTIVE: To investigate the indications, radiographic outcomes, and complications in children with spinal deformities treated with posterolateral diskectomy with posterior fusion (PLDF), and to compare them against those of patients treated with anteroposterior spinal fusion (APSF). SUMMARY OF BACKGROUND DATA: A novel technique for treating large, rigid spinal deformities in children has been proposed, consisting of PLDF at the apex of the deformity using an all-posterior approach. METHODS: We evaluated records of all patients 21 years or younger who underwent treatment for spinal deformity between 2010 and 2015 by one surgeon using PLDF (n = 56) or APSF (n = 21). RESULTS: The indications for PLDF were large, rigid curves (37 patients); focal curves with severe rotation (10 patients); or large curves with open triradiate cartilage (nine patients). PLDF patients had a mean (+/- standard deviation) of 3 +/- 1 diskectomies and 14 +/- 3 posterior spinal levels fused. Compared with the APSF group, the PLDF group had significantly greater major curve correction (86% vs. 57%, P = 0.006), less blood transfused (mean, 2.5 +/- 2.6 vs. 4.0 +/- 3.3 units, P = 0.038), and a lower rate of staged surgery (1.8% vs. 86%, P < 0.001). There were no significant differences between the PLDF and APSF groups in T1-S1 length gained (mean, 6.2 +/- 3.4 vs. 6.6 +/- 8.8 cm, respectively; P = 0.77) or in the rate of major complications (P = 0.557). CONCLUSION: PLDF is an effective alternative to APSF for treating children with severe spinal deformities. It is effective for treating large, rigid curves with severe rotation and may be useful for treating large curves in children with open triradiate cartilage. LEVEL OF EVIDENCE: 4. PMID- 29227365 TI - Analysis of Successful Versus Failed Radiographic Outcomes After Cervical Deformity Surgery. AB - STUDY DESIGN: Prospective multicenter cohort study with consecutive enrollment. OBJECTIVE: To evaluate preoperative alignment and surgical factors associated with suboptimal early postoperative radiographic outcomes after surgery for cervical deformity. SUMMARY OF BACKGROUND DATA: Recent studies have demonstrated correlation between cervical sagittal alignment and patient-reported outcomes. Few studies have explored cervical deformity correction prospectively, and the factors that result in successful versus failed cervical alignment corrections remain unclear. METHODS: Patients with adult cervical deformity (ACD) included with either cervical kyphosis more than 10 degrees , C2-C7 sagittal vertical axis (cSVA) of more than 4 cm, or chin-brow vertical angle of more than 25 degrees . Patients were categorized into failed outcomes group if cSVA of more than 4 cm or T1 slope and cervical lordosis (TS-CL) of more than 20 degrees at 6 months postoperatively. RESULTS: A total of 71 patients with ACD (mean age 62 yr, 56% women, 41% revisions) were included. Fourty-five had primary cervical deformities and 26 at the cervico-thoracic junction. Thirty-three (46.4%) had failed radiographic outcomes by cSVA and 46 (64.7%) by TS-CL. Failure to restore cSVA was associated with worse preoperative C2 pelvic tilt angle (CPT: 64.4 degrees vs. 47.8 degrees , P = 0.01), worse postoperative C2 slope (35.0 degrees vs. 23.8 degrees , P = 0.004), TS-CL (35.2 degrees vs. 24.9 degrees , P = 0.01), CPT (47.9 degrees vs. 28.2 degrees , P < 0.001), "+" Schwab modifiers (P = 0.007), revision surgery (P = 0.05), and failure to address the secondary, thoracolumbar driver of the deformity (P = 0.02). Failure to correct TS-CL was associated with worse preoperative cervical kyphosis (10.4 degrees vs. -2.1 degrees , P = 0.03), CPT (52.6 degrees vs. 39.1 degrees , P = 0.04), worse postoperative C2 slope (30.2 degrees vs. 13.3 degrees , P < 0.001), cervical lordosis (-3.6 degrees vs. -15.1 degrees , P = 0.01), and CPT (37.7 degrees vs. 24.0 degrees , P < 0.001). Multivariate analysis revealed postoperative distal junctional kyphosis associated with suboptimal outcomes by cSVA (odds ratio 0.06, confidence interval 0.01-0.4, P = 0.004) and TS-CL (odds ratio 0.15, confidence interval 0.02-0.97, P = 0.05). CONCLUSION: Factors associated with failure to correct the cSVA included revision surgery, worse preoperative CPT, and concurrent thoracolumbar deformity. Failure to correct the TS-CL mismatch was associated with worse preoperative cervical kyphosis and CPT. Occurrence of early postoperative distal junctional kyphosis significantly affects postoperative radiographic outcomes. LEVEL OF EVIDENCE: 3. PMID- 29227366 TI - Trends in Physician Reimbursement for Spinal Procedures Since 2010. AB - STUDY DESIGN: Retrospective cohort study. OBJECTIVE: To identify trends in spinal procedure reimbursement in our practice since 2010. SUMMARY OF BACKGROUND DATA: In an uncertain healthcare climate with continuous reform, trends in physician reimbursement are unclear. Market forces of supply and demand, legislation imposing penalties for quality measures, local competition, and geographic location have the potential to affect reimbursement. An emphasis on quality-of care and cost reduction is placed on providers and insurers. In a high-cost area such as spine surgery, it is unknown what the reimbursement trends have been over the last 7 years of major healthcare reforms. METHODS: We collected payments received data for the 20 most commonly billed Current Procedural Terminology (CPT) codes for spinal surgery from January 2010 to December 2016. Payments were adjusted for inflation using the Consumer Price Index for Medical Care in the Northeastern United States. Insurers were separated into four groups: Medicare, Medicaid, Private Insurance, and Workers Compensation and No Fault (WC/NF). Using a weighted average to adjust for variation in procedures performed, average payments were trended over time. Average payments were trended by insurance group averaged by CPT code. RESULTS: After adjusting for inflation, average overall payments for spinal claims from 2010 to 2016 increased 13.6%. Average reimbursement declined 1.9% from 2010 to 2013 and rose 16.8% from 2014 to 2016. Average Medicaid payments increased 150.1% since 2010 whereas average Medicare payments rose 4.9%. Average reimbursement from private insurers and WC/NF claims decreased 16.2% and 8.5%, respectively, from 2010 to 2013; increasing 14.2% and 12.5%, respectively, from 2014 to 2016. From 2010 to 2016, reimbursement for private insurance decreased 9.3% and increased 8.2% for WC/NF claims. CONCLUSION: Since 2010, inflation-adjusted reimbursement for spinal procedures increased in our practice. There was a decline from 2010 to 2013. Increases occurred from 2014 to 2016 across all insurers. Medicaid payments more than doubled since 2010. LEVEL OF EVIDENCE: 3. PMID- 29227367 TI - Practice Patterns and Outcomes Associated With Early Sedation Depth in Mechanically Ventilated Patients: A Systematic Review and Meta-Analysis. AB - OBJECTIVES: Emerging data suggest that early deep sedation may negatively impact clinical outcomes. This systematic review and meta-analysis defines and quantifies the impact of deep sedation within 48 hours of initiation of mechanical ventilation, as described in the world's literature. The primary outcome was mortality. Secondary outcomes included hospital and ICU lengths of stay, mechanical ventilation duration, and delirium and tracheostomy frequency. DATA SOURCES: The following data sources were searched: MEDLINE, EMBASE, Scopus, Cochrane Central Register of Controlled Trials, Database of Abstracts of Reviews and Effects, Cochrane Database of Systematic Reviews databases, ClinicalTrials.gov, conference proceedings, and reference lists. STUDY SELECTION: Randomized controlled trials and nonrandomized studies were included. DATA EXTRACTION: Two reviewers independently screened abstracts of identified studies for eligibility. DATA SYNTHESIS: Nine studies (n = 4,521 patients) published between 2012 and 2017 were included. A random effects meta-analytic model revealed that early light sedation was associated with lower mortality (9.2%) versus deep sedation (27.6%) (odds ratio, 0.34 [0.21-0.54]). Light sedation was associated with fewer mechanical ventilation (mean difference, -2.1; 95% CI, -3.6 to -0.5) and ICU days (mean difference, -3.0 (95% CI, -5.4 to -0.6). Delirium frequency was 28.7% in the light sedation group and 48.5% in the deep sedation group, odds ratio, 0.50 (0.22-1.16). CONCLUSIONS: Deep sedation in mechanically ventilated patients, as evaluated in a small number of qualifying heterogeneous randomized controlled trials and observational studies, was associated with increased mortality and lengths of stay. Interventions targeting early sedation depth assessment, starting in the emergency department and subsequent ICU admission, deserve further investigation and could improve outcome. PMID- 29227368 TI - Septic Cardiomyopathy. AB - OBJECTIVES: To describe, with an emphasis on clinical applications, what is known about the pathophysiology, management, and implications of septic cardiomyopathy in the adult ICU. DATA SOURCES AND STUDY SELECTION: A PubMed literature review was performed for relevant articles. Only articles in English that studied human adults with sepsis were included. DATA EXTRACTION AND DATA SYNTHESIS: Multiple competing definitions for septic cardiomyopathy hinder understanding of this entity. Although many patients with sepsis develop cardiac dysfunction, the impact of septic cardiomyopathy on prognosis and therapy remains to be demonstrated. Treatment of septic cardiomyopathy is aimed at treating the underlying sepsis and providing specific supportive care for cardiogenic shock when present. CONCLUSIONS: Septic cardiomyopathy is an important contributor to organ dysfunction in sepsis. Guided treatment of septic cardiomyopathy may affect patients' prognosis, especially when their cardiac index is substantially decreased. The implication of septic cardiomyopathy for both short- and long-term outcomes is an important area for future investigation. PMID- 29227369 TI - Ventilator-Free Day Outcomes Can Be Misleading. AB - INTRODUCTION: Acute respiratory distress syndrome often requires invasive mechanical ventilation, with both mortality and mechanical ventilation duration as outcomes of interest. The concept of ventilator-free days has been proposed as an outcome combining these two outcomes. Here we analyzed the construction of the ventilator-free day outcome and provided a hypothetical scenario to alert physicians that such an outcome can lead to misleading interpretations. METHODS: We proposed the isoventilator-free day curve concept and, using an analytical development, illustrated how a median ventilator-free day value can actually result from very different combinations of death rates and mechanical ventilation durations. We also used a hypothetical example to compare the Student t test, Wilcoxon rank-sum test, and Gray test (which accounts for death as a competing event with extubation) in comparing exposition to mechanical ventilation. RESULTS: A median ventilator-free day value of 10 days may mean that 10% of the patients died while survivors were ventilated during a median of 14 days or that 40% died while survivors were ventilated during a median of 5 days. Changing the time horizon affected the Student t test but not the Wilcoxon rank-sum result. The Gray test was more relevant than both the Student t test and Wilcoxon rank sum test in identifying differences in groups showing highly different mechanical ventilation duration, despite equal median ventilator-free days. This approach was also illustrated using real data. CONCLUSIONS: Use of ventilator-free days as an outcome appears to have many drawbacks. Suitable methods of analyzing time to extubation should be preferred. PMID- 29227370 TI - C1-C2 Pedicle Screw Fixation for Pediatric Atlantoaxial Dislocation: Initial Results and Long-term Follow-up. AB - BACKGROUND: There are few studies reporting the use of atlantoaxial pedicle screws and the long-term effects of C1-C2 posterior fusion in children. Our study is to investigate the initial results of C1-C2 pedicle screw fixation for pediatric atlantoaxial dislocation (AAD) and assessed spontaneous change of postoperative radiography after a long-term follow-up period. METHODS: Posterior pedicle screw fixations were performed in 21 pediatric patients with AAD. All the patients underwent implant removal 1 year after their initial surgery and had regular follow-up with an average duration of 76.4 months (range, 52 to 117 mo). Clinical and radiographic data were then collected and compared. RESULTS: Frankel Grade was significantly improved at 3 months follow-up compared with pretreatment values. All patients had good bony fusion at a mean of 4.2+/-0.9 months (range, 3 to 6 mo) after treatment. None of the patients experienced worsening neurological symptoms or injury to the vertebral artery. However, 2 cases experienced minor complications. Following removal of the implants, no spinal deformities or subaxial instabilities were found. The mean angle of sagittal curvature increased from 12.1+/-2.4 degrees (range, 0 to 22 degrees) immediately postoperatively to 19.1+/-2.7 degrees (range, 6 to 31 degrees) at the final follow-up (P>0.05). CONCLUSIONS: The results demonstrated that C1-C2 pedicle screw fixation could achieve satisfactory initial results for the management of the pediatric AAD. Moreover, removal of the metal implant after bony fusion did not increase the risk of spinal deformity or subaxial instability at long-term follow-up. PMID- 29227371 TI - A Quality Improvement Initiative Reduces Cast Complications in a Pediatric Hospital. AB - BACKGROUND: Casts, while frequently used as routine treatment in pediatric orthopaedic practice, are not without complications. At our large tertiary care pediatric hospital, the baseline rate of all casting complications was 5.6 complications per 1000 casts applied (0.56%). We tested the hypothesis that we could use quality improvement (QI) methodology to decrease the overall cast complication rate and improve patient care. METHODS: We initiated a QI program implementing concepts derived from the Institute for Healthcare Improvement models, including Plan-Do-Study-Act cycles, to decrease our cast complication rate. A resident casting education program was developed with a competency "checklist" to ensure that casts are applied, bivalved, and removed in a safe and standardized manner to prevent patient harm. AquaCast Saw Stop Protective Strips were required to be applied with every cast application. A review of our facility's processes and procedures determined adequate measures were in place to effectively manage inventory and maintenance of cast-saw blades. RESULTS: With the multimodal QI intervention, our cast complication rate was reduced to 1.61 complications per 1000 applications, a >90% improvement. CONCLUSIONS: Implementation of QI concepts to perform a QI initiative resulted in a shift toward fewer cast complications, leading to overall improved patient care at a large tertiary pediatric hospital. LEVEL OF EVIDENCE: Level II-prospective cohort study. PMID- 29227372 TI - Osteofibrous Dysplasia of the Tibia in Children: Outcome Without Resection. AB - BACKGROUND: The proposed association between osteofibrous dysplasia and adamantinoma has led some to advocate resection of the entire lesion, which can require major subsequent reconstruction. However, this link remains unproven and there is some support in more recent literature for a less aggressive approach. This study aims to describe our experience managing pediatric tibial osteofibrous dysplasia with such an approach and to report functional outcomes in children treated thus. METHODS: A total of 28 cases of osteofibrous dysplasia in 25 patients were managed at a referral center for pediatric bone tumors with observation in the first instance, then limited surgical intervention if required to address pain and deformity. Surgery aimed to restore stability and alignment without excising the lesion. Clinical records provided basic clinical outcome measures involving walking, recreation, orthoses and school/work participation and patients provided a Musculoskeletal Tumour Society score (MSTS) where contactable. RESULTS: Mean age at presentation was 6.0 years and mean follow-up was 8.3 years. Only 8 patients required surgery. According to basic outcome measures, 13 patients were symptom-free. About 15 patients (17 cases) provided a MSTS and the mean score was 24 of 30. No transformation to adamantinoma was observed. Those who presented at a younger age and with bilateral disease more often required surgery and remained symptomatic. CONCLUSIONS: A less aggressive approach to pediatric tibial osteofibrous dysplasia achieves good functional outcomes and patient satisfaction in most cases. Surgery is required in the minority of cases. Transformation to adamantinoma was not observed in this series. We recommend patient education, clinical observation and reactive intervention if required, rather than proactive resection and reconstruction. LEVEL OF EVIDENCE: Level IV-case series. PMID- 29227373 TI - Incidence of Meniscal Entrapment and Associated Knee Injuries in Tibial Spine Avulsions. AB - BACKGROUND: Tibial spine avulsions (TSA) have historically been treated as isolated injuries. Data on associated injuries are limited with existing literature reporting wide ranging incidences. The purpose of this multicenter study was to (1) describe the incidence of meniscal entrapment and associated knee injuries in TSA and to (2) compare surgical and magnetic resonance image (MRI) findings for these injuries. Our hypothesis is that tibial spine injuries are not usually isolated injuries, and other meniscal, ligament, and cartilage injuries may be present. METHODS: MRI and surgical reports for patients with a diagnosis of a tibial spine fracture were retrospectively reviewed. Type of fracture was recorded as noted in the reports along with concomitant meniscal entrapment and osteochondral, ligamentous, and meniscal injury. Images and reports were reviewed by an orthopaedic surgeon at each respective institution. RESULTS: A total of 163 patients were included in this study. MRI was done for 77 patients and surgery was performed in 144 cases. Meniscal entrapment was found in 39.9% of all patients. MRI diagnosed meniscus, osteochondral, and non-anterior cruciate ligament ligamentous injury was found in 31.2%, 68.8%, and 32.4% of cases, respectively. Surgically diagnosed meniscus, chondral, and non-anterior cruciate ligament ligamentous injury was found in 34.7%, 33.3%, and 5.6% of patients, respectively. CONCLUSIONS: TSA fractures are associated with significant risk for concomitant knee injuries including meniscal tear, bone contusion, and chondral injury. Incidence of meniscal entrapment found during surgery was high, in spite of low incidence of positive findings by MRI. LEVEL OF EVIDENCE: Level IV-retrospective case series. PMID- 29227374 TI - Collateral Ligament Knee Injuries in Pediatric and Adolescent Athletes. AB - BACKGROUND: The majority of research on medial (MCL) and lateral (LCL) collateral ligament injuries has focused on adults and combined collateral/cruciate injuries. The purpose of this study was to determine characteristics associated with isolated collateral ligament injuries in adolescents, and assess timing for return to sports. METHODS: Electronic medical records were queried to identify patients aged below 17 years who sustained a magnetic resonance imaging-confirmed isolated MCL or LCL injury over an 8-year period. Retrospective review then documented patient and injury characteristics and clinical course. General linear modeling was used to analyze risk factors for prolonged return to sports, continued pain or reinjury. RESULTS: Fifty-one knees (33 in males, 65%), mean age 13.8 years (range, 5 to 17), were identified, of which 40 (78%) had MCL injuries. Over half (29, 57%) of knees had an open distal femoral physis including all 5 bony avulsion injuries. Eleven (22%) had LCL injuries of which 3 (6%) had concurrent posterolateral corner injuries. Forty-two (82%) knees had injuries that occurred during sports. Eleven knees (28%) with MCL tears had a simultaneous patellar instability episode. Knee injuries that occurred during sports had 37% shorter recovery time (P=0.02). Eight knees (16%) experienced a reinjury and 12 (24%) were followed over an extended period of time for various knee issues. Football injuries were more likely to be grade 3 (P=0.03), and football and soccer accounted for all grade III injuries. The mean return to sports was 2.2 months, with grade III cases returning at 2.4 months, and 95% of cases within 4 months. CONCLUSIONS: Isolated collateral ligament injuries are rare in adolescent athletes. MCL injuries, one-quarter of which occurred in conjunction with patellar instability events, were 4 times more common than LCL injuries, one quarter of which have other posterolateral corner structures involved. Grade III injuries represent 20% to 25% of collateral ligament injuries and occurred most commonly in football and soccer. LEVEL OF EVIDENCE: Level IV-retrospective case series. PMID- 29227375 TI - Impact of evacuation onstrends in the prevalence, treatment, and control of hypertension before and after a disaster. AB - OBJECTIVE: After the Great East Japan Earthquake in 2011, the prevalence of cardiovascular disease risk factors increased in victims. We examined the trends in the prevalence, treatment, and control of hypertension before and after the disaster, as well as the impact of evacuation. METHODS: Study participants were approximately 10 000 men and 12 000 women aged 40-74 years in each year from 2008 to 2014. All of the participants had lived in radiation evacuation zones prior to the Fukushima nuclear crisis. The age-standardized prevalence, treatment, and control of hypertension were calculated using the direct method. In a comparison of evacuees with nonevacuees, the proportion ratios and 95% confidence intervals for hypertension, treatment, and control were calculated by Poisson regression with robust error variance adjusted for covariates in each year after the disaster. RESULTS: The age-standardized prevalence of hypertension peaked in 2012 at 48.8% in men and 39.0% in women. By 2014, the treatment and control of hypertension had increased to 66.3 and 67.1% in men, and 70.6 and 68.1% in women, respectively. The multiadjusted proportion ratios for the prevalence, treatment, and control of hypertension in any given year were 1.02-1.03, 0.99-1.05, and 0.93 1.06 in men, and 0.96-1.00, 0.99-1.05, and 1.06-1.11 in women, respectively. CONCLUSION: The prevalence of hypertension peaked 1 year after the disaster, while the treatment and control of hypertension increased thereafter. These results indicate that evacuation had little to no impact on the prevalence, treatment, and control of hypertension in the population of Fukushima Prefecture. PMID- 29227376 TI - Hypertensive heart disease beyond left ventricular hypertrophy: are we ready for echocardiographic strain evaluation in everyday clinical practice? AB - : Hypertension-induced left ventricular (LV) remodeling is a well known entity that has usually been studied with traditional echocardiographic techniques. In the last decade echocardiographic methods are focused on evaluation of heart mechanics. The strain assessment is considered as part of comprehensive echocardiographic examination. Nevertheless, LV strain and particularly longitudinal strain was proofed as a significant independent predictor of cardiovascular and total morbidity and mortality, stronger than LV ejection fraction. Considering the fact that hypertensive heart disease represents one of the most important risk factors for the development of heart failure with preserved ejection fraction, one should be careful and accurate in identifying subtle signs of cardiac dysfunction. The early detection of cardiac dysfunction by conventional echocardiographic methods is often not possible. The aim of the current article is to overview the main principles of LV mechanics and summarize the current knowledge and clinical significance of LV strain in hypertensive patients. PMID- 29227377 TI - Effectiveness of low-dose diuretics for blood pressure reduction to optimal values in prehypertension: a randomized clinical trial. AB - BACKGROUND: To determine the effectiveness of low-dose diuretic therapy to achieve an optimal level of blood pressure (BP) in adults with prehypertension. METHODS: The PREVER-prevention trial was a randomized, parallel, double-blinded, placebo-controlled trial, with 18 months of follow-up, conducted at 21 academic medical centers in Brazil. Of 1772 individuals evaluated for eligibility, 730 volunteers with prehypertension who were aged 30-70 years, and who did not reach optimal blood pressure after 3 months of lifestyle intervention, were randomized to a fixed association of chlorthalidone 12.5 mg and amiloride 2.5 mg or placebo once a day. The main outcomes were the percentage of participants who achieved an optimal level of BP. RESULTS: A total of 372 participants were randomly allocated to diuretics and 358 to placebo. After 18 months of treatment, optimal BP was noted in 25.6% of the diuretic group and 19.3% in the placebo group (P < 0.05). The mean net reduction in SBP and DBP for the diuretic group compared with placebo was 2.8 mmHg (95% CI 1.1 to 4.5) and 1.1 mmHg (95% CI -0.09 to 2.4), respectively. Most participants in the active treatment group (74.5%) and in the placebo group (80.7%) continued to have BP in the prehypertension range or progressed to hypertension. CONCLUSION: Low-dose diuretic therapy increased the probability of individuals with prehypertension to achieve optimal BP but most of those treated continued to have a BP in the prehypertension range or progressed to having overt hypertension. PMID- 29227379 TI - NCF @ Work. PMID- 29227378 TI - Are You Weary? PMID- 29227381 TI - Etc. PMID- 29227380 TI - NCFI Your Global Connection. PMID- 29227382 TI - Forgiveness in the Workplace? PMID- 29227383 TI - The APRN as Servant Leader. PMID- 29227384 TI - Nursing in the Church. PMID- 29227385 TI - Student TXT. PMID- 29227386 TI - Point-Counterpoint: Exploring Ethical Dilemmas in Patient Care. PMID- 29227387 TI - Update: What Nurses Need to Know about Human Trafficking. AB - Nurses are key people who interact with victims of human trafficking in healthcare and other settings. This article provides a current overview of human trafficking, explains legal definitions, elements for protocols in healthcare settings when trafficking is suspected, nursing roles and responses, interview tools, resources, public health recommendations, and nursing education approaches to address human trafficking. PMID- 29227388 TI - 12 Hour Shifts: Literature Reviewed, Wise Use Challenged. AB - Concern is reported about the negative outcomes of 12-hour shifts for nurses, including sleep-deprived fatigue, negative neurobehavioral outcomes, and patient safety. However, 12-hour shifts remain the prevailing staffing method. When should the concern for nurses' health and well-being be factored into staffing decisions? If the 12-hour model was used more wisely, that is, nurses were not working too much and/or too long, would there be a need for change? Will nurses and researchers pursue ways to address the negative outcomes of 12-hour shifts? PMID- 29227389 TI - Learning Cultural Humility Through Stories and Global Service-Learning. AB - Service-learning experiences are utilized by nursing programs to increase cultural learning for students. Through storytelling, the concept of cultural humility can be explained to students preparing for upcoming intercultural experiences. This case study describes the experience of nursing students and educators on their first service-learning trip to Kenya, and how intercultural issues were navigated as students developed cultural humility. The story now is shared in preparation for subsequent international student nursing trips. The utilization of storytelling can be a model for others preparing for service learning experiences. PMID- 29227390 TI - Preparing Clinical Nurses for Nursing Research: Evaluation of Training Procedures in a Palliative Care Pilot Study. AB - The importance of academic nurse researchers partnering with clinical nurses for clinical research has been well articulated. A 4-hour training program designed to equip staff nurses to become fully engaged researchers in a palliative care end of life communication-focused research study resulted in enriched human caring skills and professional growth. Results indicate that the training (didactic lecture, group reflection, role-playing) was adequate to prepare the nurses to deliver the study protocol. Relevance for primary investigators, nurses, clinical institutions, those interested in partnered research, and professional growth are discussed. PMID- 29227391 TI - The Role of the Faith Community Nurse in Weight Management. AB - Over two thirds of U.S. adults are overweight or obese; many view long-term behavior change as unachievable. Faith community nurses are ideally positioned to help people learn strategies for successful weight management. This article discusses the role of faith in lifestyle modification, and the use of the 5 A's Model for weight management. PMID- 29227392 TI - Extending the Metaphor. PMID- 29227393 TI - Can Spiritual Care Be Coercive? PMID- 29227394 TI - Biblical Roots of First Aid. PMID- 29227395 TI - Mud Hut Learning. PMID- 29227397 TI - Chat Room. PMID- 29227396 TI - Mama's Here. PMID- 29227398 TI - PulseBeats. PMID- 29227399 TI - Reflections on Global Service Learning in India. AB - Global service learning is an action-oriented, pedagogical approach that engages students in the core values of academic excellence, social relevance, personal transformation, intentional diversity, and cultural competence. The experience of students and nurse educators who have participated in global service-learning trips to India is relayed, along with the healthcare system of several Indian states. PMID- 29227400 TI - Workplace Incivility in Nursing: A Literature Review Through the Lens of Ethics and Spirituality. AB - A literature review was conducted to evaluate existing knowledge of incivility in the nursing workplace through the lens of nursing ethics and spirituality. Study articles presented a consistent theme of improved organizational commitment and job satisfaction when spirituality was injected into the workplace. It seems plausible to suggest a positive correlation between spirituality and more civil environments in nursing workplaces. PMID- 29227401 TI - What Nurses Need to Know About Human Trafficking. PMID- 29227402 TI - The Role of the Faith Community Nurse in Weight Management. PMID- 29227403 TI - Reply. PMID- 29227405 TI - Osseous Convexity at the Anterior Fontanelle: A Presentation of Metopic Fusion? AB - BACKGROUND: Craniosynostosis, or a premature fusion of 1 or more cranial vault sutures, results in characteristic head shape deformities. In previous reports, an osseous prominence at the anterior fontanelle has been suggestive of adjacent suture fusion and local elevation in intracranial pressure (ICP). This prominence has been termed the "volcano" sign, and has been described in the anterior fusion of the sagittal suture and serves as an indication for surgery. METHODS: Two patients presented for head shape evaluation with mild metopic ridging and anterior fontanellar osseous convexities consistent with the volcano sign. Low dose computed tomography imaging was performed in both patients due to concern for underlying craniosynostosis with elevated locoregional ICP. RESULTS: In both patients, imaging was significant for a localized, superior forehead metopic fusion, as well as a bony, convex prominence at the site of the ossified anterior fontanelle. There were no other clinical or radiologic signs or symptoms to suggest elevated ICP. Surgery was not indicated in either patient. CONCLUSIONS: Here the authors present 2 patients with osseous convexities at the site of the closed anterior fontanelle without signs or symptoms of elevated ICP, or classic signs of metopic synostosis. The authors hypothesize that this pattern may be due to a form of mechanically induced premature fusion of a normal metopic suture that is focused superiorly at the bregma, with minimal resultant restriction of overall skull growth. This is in contrast to metopic synostosis, which primarily has a sutural pathology and leads to characteristic findings of hypotelorism and trigonocephaly. PMID- 29227406 TI - Unexpected Blooming Artifact in Brain Magnetic Resonance Imaging. AB - Unexpected foreign bodies are occasionally discovered during magnetic resonance imaging (MRI). These are often present unknown to the patient, missed during routine pre-MRI screening and result in unnecessary delay during MRI. The authors present a patient with traumatically embedded foreign body in the scalp that escaped pre-MRI screening and caused susceptibility artifacts during brain MRI. The object was surgically removed to allow the imaging to be completed. Patients with suspicion or history of facial trauma or with dental restorations are referred to concerned specialists for compatibility of hardware, restorations and for assessing risks during MRI due to these. This patient is presented as a reminder for clinicians to probe further during anamnesis and have a high index of suspicion for foreign bodies that may be present even after trivial injuries. PMID- 29227407 TI - A Three-Dimensional Anthropometric Evaluation of Facial Morphology. AB - OBJECTIVES: The aims of this study were to evaluate sexual dimorphism for facial features within Italian and Egyptian populations and to compare the facial morphology by sex between these 2 populations. MATERIALS AND METHODS: Three dimensional (3D) facial images were acquired by using the portable 3dMDface System, which captured 259 subjects from 2 population groups of Italian (n = 139) and Egyptian (n = 120). Each population was categorized into male and female groups for evaluation. All subjects in the groups were aged between 18 and 30 years and had no apparent facial anomalies. A total of 23 anthropometric landmarks were identified on the 3D faces of each subject. The independent t test was used to analyze each data set obtained within each subgroup. RESULTS: Egyptian women tend to have distinct facial features when compared with Italian women; they had less prominent eyes, more nasal width, more height of upper and lower faces and more height of upper and lower vermilion lengths. Egyptian and Italian males demonstrated very close facial features. However, Egyptian males had more nasal width, length of alare, and mandibular height. CONCLUSIONS: Sexual dimorphism for facial features was presented in both the Italian and Egyptian populations. In addition, there were significant differences in facial morphology between these 2 populations, especially in females. PMID- 29227408 TI - The Hybrid Technical Management of Large and Complicated Traumatic Arteriovenous Fistula of Preauricular Region. AB - BACKGROUND: Arteriovenous fistula (AVF) is defined as an abnormal communication between the high flow arterial system and the low flow venous network, which directly connects the arterial feeding vessels and the near draining veins without normal intervening capillary bed. Arteriovenous fistula incurs in preauricular region is exceeding rare. Most of these fistulae occur as a result of an iatrogenic injury, the volume is small, feeding and draining vessels of feeding and draining are simple, and can be cured easily. However, the treatment of the large and complicated AVF after incidental trauma in preauricular region is a challenge even for senior neurosurgeon. In this study, the authors discuss the management of a traumatic AVF through combined therapeutic method of surgical ligation and transarterial embolization. It is fed by ipsilateral superficial temporal artery, internal maxillary artery, posterior auricular artery, and their accessory branches and is drained by ipsilateral common facial vein and external jugular vein. Also the etiology, clinical manifestations, pathology, diagnosis, and management are summarized. CONCLUSION: Large and complicated traumatic AVF in preauricular region is rare, often due from an injury in maxillofacial region, combined therapy needed. PMID- 29227409 TI - Differences in the Alignment Pattern of the Maxillary Dental Arch Following Fixed Orthodontic Treatment in Patients With Bilateral Cleft Lip and Palate: Anteroposterior-Collapsed Arch Versus Transverse-Collapsed Arch. AB - The purpose of this study was to investigate differences in the alignment pattern of the collapsed maxillary arch following fixed orthodontic treatment (FOT) in bilateral cleft lip and palate (BCLP) patients according to collapse type. Fifteen BCLP patients were divided into Group 1 (anteroposterior-collapsed arch, n = 7) and Group 2 (transverse-collapsed arch, n = 8) according to maxillary arch shape before FOT. Linear and angular variables of lateral cephalograms and dental models were evaluated before (T1) and after FOT (T2), and statistical analysis was performed. In cephalometric measurements at T1, both the groups exhibited retrusive maxillae, a Class III relationship, and lingual inclination of U1-SN. At T2, significant improvement of U1-SN was observed in both the groups (P < 0.01 in Group 1; P < 0.05 in Group 2). In the model measurements at T1, the inter second premolar width (IP2W), inter-first molar width (IM1W), and left segmental angle were smaller in Group 2 than in Group 1 (IP2W, P < 0.001; IM1W, P < 0.05; LSA, P < 0.05). From T1 to T2, the arch width increased significantly in Group 2 (inter-canine width, IP1W, IP2W, and IM1W; all P < 0.05), but not in Group 1. Therefore, there were significant differences in DeltaIP2W (2.4 mm versus 14.9 mm, P < 0.01) and DeltaIM1W (-0.7 mm versus 5.9 mm, P < 0.001) between Groups 1 and 2. In both the groups, the molar depth and right and left segmental angles increased significantly, while the premaxillary rotation angle decreased significantly (molar depth, RSA, LSA, and PMRA; all P < 0.05). The alignment strategy for the maxillary premolar and molar areas should be modified according to arch shape in BCLP patients. PMID- 29227410 TI - Recurrent Lower Eyelid Ectropion After Graft Surgery Using Autogenous Palmaris Longus Tendon. AB - A 78-year-old male experienced right lower eyelid ectropion following right facial trauma from a fall 5 years ago, for which he underwent autogenous palmaris longus tendon graft surgery at another clinic. Recurrence was noted 3 years after surgery. On first examination, there was outward turning of the lateral half of the right lower eyelid margin. We performed a lateral tarsal strip procedure with removal of the graft. Intraoperatively, the lateral part of the graft was located along the inferior tarsal border, whereas the medial part was located on the tarsal surface. The lateral stump had bifurcated; 1 branch had passed through a bony hole drilled at the base of the rim; and both branches had been ligated together on the rim surface. The medial side had been fixed to the medial canthal tendon. Postoperatively, the apposition of eyelid and ocular surface was good, and the patient experienced no recurrence after 1 year. PMID- 29227411 TI - Intraoral Pleomorphic Adenoma in Young Patients. AB - BACKGROUND: Intraoral pleomorphic adenoma (PA) is rare in young individuals, with only single clinical reports or small patient series reported previously. AIM: The aim of this study was to describe the clinicopathological features of PA in 4 patients under 18 years of age, and to discuss the differential diagnosis of pediatric patients presenting with intraoral submucosal nodules. METHODS: Between 2000 and 2015, all patients of intraoral PA in patients aged <=18 years diagnosed in the Oral Pathology Laboratory of the Universidade Federal de Pernambuco, Brazil, were retrieved for the study. Clinical data were recorded from the clinical charts. Histopathological slides stained with hematoxylin and eosin were reviewed to confirm the diagnosis. RESULTS: There were 4 cases of PA in patients aged <=18 years. All patients in this patient series were males, with a mean age of 16.7 years. Three cases occurred in the palate, and in 1 case, the upper lip was affected. All PAs appeared as a painless, smooth surface, well-circumscribed, and submucosal nodule. All patients were surgically excised and subsequent histopathological analysis revealed well-circumscribed tumors composed of cells that were arranged in ducts within a fibromyxoid stroma. No signs of recurrence were observed in 3 patients after a mean follow-up of 30 months. One patient is lost to follow-up. CONCLUSION: Although PAs are unusual in young patients, they should be considered in the differential diagnosis of oral submucosal nodules. PMID- 29227412 TI - Validity and Responsiveness to Change of the 30-Second Chair-Stand Test in Older Adults Admitted to an Emergency Department. AB - BACKGROUND AND PURPOSE: Few physical performance measurement tools are validated for acutely admitted older adults, and for this reason we aimed to examine the validity and responsiveness to change of the 30-second Chair-Stand Test (30s-CST) used to assess physical performance in older adults admitted to a short-stay unit in an emergency department. METHODS: Construct validity of the 30s-CST, using 8 as a cutoff point for dependency in activities of daily living, was examined using 207 patients. Self-reported information on everyday activities was obtained by asking patients about need for help in bathing, dressing, cooking, cleaning, and shopping. Concurrent validity of the 30s-CST compared with the de Morton Mobility Index (DEMMI) on physical performance of acutely admitted older adults was examined with 156 patients. The analysis of concurrent validity included the entire DEMMI and 2 subsets of DEMMI: "DEMMI walking" and "DEMMI dynamic balance." The responsiveness to change in the 30s-CST compared with DEMMI was examined with 117 patients. All patients were classified as having either low physical performance (30s-CST <=8) or high physical performance (30s-CST >8); these groups were used in the analysis of validity and responsiveness to change. RESULTS AND DISCUSSION: Regarding construct validity using 8 as a cutoff point, the study showed a significant difference between patients with low physical performance compared with patients with high physical performance. Moreover, a decrease in the 30s-CST was followed by an increase in the need for help with everyday activities. There was a significant association between the 30s-CST and DEMMI (r = 0.72); for every extra repetition in the 30s-CST, the DEMMI score increased by 4.9. There was a significant association between the 30s-CST and the 2 subsets "DEMMI walking" and "DEMMI dynamic balance"; yet, a pronounced floor effect was found in the subsets. The analysis demonstrated a very wide prediction interval, indicating that DEMMI has a better responsiveness to change than the 30s-CST, especially in older adults with low physical performance. However, the 30s-CST is easier and faster to use than DEMMI. CONCLUSION: This study found a significant difference in the patients' need for help with everyday activities when comparing low and high physical performance groups. The concurrent validity of the 30s-CST was acceptable in assessing physical performance in older adults at the time of admission; the 30s-CST is thus a tool that is easy to use in older adults with acute disease. In contrast, based on very wide prediction intervals, DEMMI demonstrated better responsiveness to change than the 30s-CST, especially in older adults with low physical performance. PMID- 29227413 TI - The Association Between Body Adiposity Measures, Postural Balance, Fear of Falling, and Fall Risk in Older Community-Dwelling Women. AB - BACKGROUND AND PURPOSE: Recent investigations demonstrate an association between obesity and the propensity of older adults to fall. The aim of this study was to investigate the association between body adiposity measures, postural balance, fear of falling, and risk of falls in older women. METHODS: One hundred forty seven volunteers took part in this cross-sectional study. Participants underwent body composition assessment using dual-energy x-ray absorptiometry and had body mass index, waist circumference (WC), and body adiposity index measured. Postural balance was assessed using a force platform, while fear of falling and risk of falls were, respectively, evaluated by the Falls Efficacy Scale-International and the QuickScreen Clinical Falls Risk Assessment. RESULTS AND DISCUSSION: All adiposity measures were correlated to at least 1 postural stability parameter and to fear of falling (rho= 0.163, P < .05 to r = 0.337, P < .001); however, WC was the index most strongly correlated to risk of falls (rho= 0.325; P < .001). When obesity was classified using WC, it was observed that compared with nonobese individuals (n = 51), obese individuals (n = 96) exhibited greater center of pressure displacement in the anteroposterior and mediolateral axes, especially during conditions with feet apart (P < .05). The obese group also exhibited an increased fear of falling (28.04 vs 24.59; P = .002) and had a higher proportion of individuals with increased fall risk (72% vs 35%; P < .001). CONCLUSION: In summary, adiposity measures are associated with risk of falls in older women, which might be mediated by reduced postural balance and increased fear of falling. Among these indices, WC, an easy and low-cost assessment, demonstrated the strongest association with falls-related outcomes. PMID- 29227414 TI - The diagnostic process of stable angina: still many doubts since Heberden's first description 250 years ago. AB - : Since Heberden's first description, stable angina has represented a challenge for the clinicians. Even the most recent guidelines seem ineffective to correctly identify patients who should be sent to cath labs. Still too many patients who undergo coronary angiography are found not to have significant lesions; moreover, its extensive use as the first diagnostic test leads to revascularizations with uncertain appropriateness and prognostic significance. These considerations underline the importance of noninvasive testing before sending patients to invasive coronary angiography. However, it is still debatable whether it is better to pursue anatomic evaluation of the coronary tree with the use of computed tomography or assessment of myocardial ischemia, a controversy which has not been resolved by recent trials comparing the two diagnostic modalities. A combined approach using both functional and anatomic testing may lead to a more careful risk stratification before invasive coronary angiography. The aim of this article is to discuss the most recent evidence in this field, and its application in clinical practice. PMID- 29227415 TI - Development of a Survey to Assess Local Health Department Organizational Processes and Infrastructure for Supporting Obesity Prevention. AB - Local health departments (LHDs) have an important function in controlling the growing epidemic of obesity in the United States. Data are needed to gain insight into the existence of routine functions and structures of LHDs that support and sustain obesity prevention efforts. The purpose of this study was to develop and examine the reliability of measures to assess foundational LHD organizational processes and functions specific to obesity prevention. Survey measures were developed using a stratified, random sample of US LHDs to assess supportive organizational processes and infrastructure for obesity prevention representing different domains. Data were analyzed using weighted kappa and intraclass correlation coefficient for assessing test-retest reliability. Most items and summary indices in the majority of survey domains had moderate/substantial or almost perfect reliability. The overall findings support this survey instrument to be a reliable measurement tool for a large number of processes and functions that comprise obesity prevention-related capacity in LHDs. PMID- 29227416 TI - Rurality, Quality Improvement Maturity, and Accreditation Readiness: A Comparison Study of Colorado, Kansas, and Nebraska Local Health Departments. AB - OBJECTIVE: To compare local health department (LHD) accreditation readiness (AR) and quality improvement (QI) maturity in 3 states, between LHDs with varying levels of rurality, and across an LHD staffing-level continuum. DESIGN: This was a cross-sectional comparative study that included an online survey administered to LHD directors in Colorado, Kansas, and Nebraska. The survey included 10 questions assessed on a 5-point Likert scale covering 3 QI domains and 13 questions covering 5 AR domains. The median score for both QI maturity and AR was calculated by each state, by the number of full-time equivalent staff employed at the LHD, and by a measure of rurality and population density. SETTING AND PARTICIPANTS: A total of 156 LHDs from the states of Colorado, Kansas, and Nebraska. MAIN OUTCOME MEASURE(S): QI maturity and AR scores. RESULTS: A majority (59%) of the surveyed LHDs plan to apply or have already applied for Public Health Accreditation Board (PHAB) accreditation. The overall QI maturity and AR scores were highest in Nebraska, as was the intent to seek PHAB accreditation and current use of PHAB standards. Across levels of rurality and staffing, LHD QI maturity scores were similar; however, AR scores improved as LHD staffing levels increased and rurality decreased. CONCLUSIONS: Small LHDs and rural LHDs have QI maturity levels that are comparable to larger, less rural LHDs, but their AR is much lower. As accreditation has been found to have positive benefits, it is important that all LHDs have the capacity and resources to meet the performance standards required of accredited LHDs. Small, rural LHDs may need additional resources and support in order to improve their ability to be accredited and/or certain accreditation requirements may need modification to make accreditation more accessible to small LHDs. PMID- 29227417 TI - Cost Analysis of Prevention Research Centers: Instrument Development. AB - The 2014-2019 Prevention Research Centers (PRC) Program Funding Opportunity Announcement stated that "all applicants will be expected to collaborate with CDC to collect data to be able to perform cost analysis." For the first time in the 30-year history of the PRC Program, a cost indicator was included in the PRC Program Evaluation and a cost analysis (CA) instrument developed. The PRC-CA instrument systematically collects data on the cost of the PRC core research project to eventually answer the CDC PRC Program Evaluation question: "To what extent do investments in PRCs support the scalability, sustainability, and effectiveness of the outcomes resulting from community-engaged efforts to improve public health?" The objective of this article is to briefly describe the development of the PRC-CA instrument. Data obtained from the PRC-CA instrument can be used to generate cost summaries to inform decision making within the PRC Program and each individual PRC. PMID- 29227418 TI - Development and Validation of Surveillance-Based Algorithms to Estimate Hepatitis C Treatment and Cure in New York City. AB - CONTEXT: Treatment options for chronic hepatitis C virus (HCV) have improved in recent years. The burden of HCV in New York City (NYC) is high. Measuring treatment and cure among NYC residents with HCV infection will allow the NYC Department of Health and Mental Hygiene (DOHMH) to appropriately plan interventions, allocate resources, and identify disparities to combat the hepatitis C epidemic in NYC. OBJECTIVE: To validate algorithms designed to estimate treatment and cure of HCV using RNA test results reported through routine surveillance. DESIGN: Investigation by NYC DOHMH to determine the true treatment and cure status of HCV-infected individuals using chart review and HCV test data. Treatment and cure status as determined by investigation are compared with the status determined by the algorithms. SETTING: New York City health care facilities. PARTICIPANTS: A total of 250 individuals with HCV reported to the New York City Department of Health and Mental Hygiene (NYC DOHMH) prior to March 2016 randomly selected from 15 health care facilities. MAIN OUTCOME MEASURES: The sensitivity and specificity of the algorithms. RESULTS: Of 235 individuals successfully investigated, 161 (69%) initiated treatment and 96 (41%) achieved cure since the beginning of 2014. The treatment algorithm had a sensitivity of 93.2% (95% confidence interval [CI], 89.2%-97.1%) and a specificity of 83.8% (95% CI, 75.3%-92.2%). The cure algorithm had a sensitivity of 93.8% (95% CI, 88.9% 98.6%) and a specificity of 89.4% (95% CI, 83.5%-95.4%). Applying the algorithms to 68 088 individuals with HCV reported to DOHMH between July 1, 2014, and December 31, 2016, 28 392 (41.7%) received treatment and 16 921 (24.9%) were cured. CONCLUSIONS: The algorithms developed by DOHMH are able to accurately identify HCV treatment and cure using only routinely reported surveillance data. Such algorithms can be used to measure treatment and cure jurisdiction-wide and will be vital for monitoring and addressing HCV. NYC DOHMH will apply these algorithms to surveillance data to monitor treatment and cure rates at city-wide and programmatic levels, and use the algorithms to measure progress towards defined treatment and cure targets for the city. PMID- 29227419 TI - Lessons Learned From the Environmental Public Health Tracking Sub-County Data Pilot Project. AB - OBJECTIVE: Small area data are key to better understanding the complex relationships between environmental health, health outcomes, and risk factors at a local level. In 2014, the Centers for Disease Control and Prevention's National Environmental Public Health Tracking Program (Tracking Program) conducted the Sub County Data Pilot Project with grantees to consider integration of sub-county data into the National Environmental Public Health Tracking Network (Tracking Network). DESIGN: The Tracking Program and grantees developed sub-county-level data for several data sets during this pilot project, working to standardize processes for submitting data and creating required geographies. Grantees documented challenges they encountered during the pilot project and documented decisions. RESULTS: This article covers the challenges revealed during the project. It includes insights into geocoding, aggregation, population estimates, and data stability and provides recommendations for moving forward. CONCLUSION: National standards for generating, analyzing, and sharing sub-county data should be established to build a system of sub-county data that allow for comparison of outcomes, geographies, and time. Increasing the availability and accessibility of small area data will not only enhance the Tracking Network's capabilities but also contribute to an improved understanding of environmental health and informed decision making at a local level. PMID- 29227420 TI - US State Public Health Departments Special Pathogen Planning. AB - CONTEXT: US state public health departments played key roles in planning for and responding to confirmed and suspected cases of Ebola virus disease (EVD) during the 2014-2016 outbreak, including designating select hospitals as high-level isolation units (HLIUs) for EVD treatment in conjunction with the Centers for Disease Control and Prevention. OBJECTIVE: To identify existing guidelines and perspectives of state health departments pertaining to the management and transport of patients with EVD and other highly hazardous communicable diseases (HHCDs). DESIGN: An electronic 8-question survey with subquestions was administered as a fillable PDF. SETTING: The survey was distributed to publicly accessible e-mails of state health department employees. PARTICIPANTS: State epidemiologists, emergency preparedness directors, or chief medical officers from each of the 50 states and the District of Columbia were contacted; a representative from 36 states and the District of Columbia responded (73%). MAIN OUTCOME MEASURES: Descriptive statistics were used to identify the proportion of state health departments with various existing protocols. RESULTS: A majority of states reported that they would prefer patients confirmed with viral hemorrhagic fevers (eg, EVD, Marburg fever) and smallpox be transported to an HLIU for treatment rather than remain at the initial hospital of diagnosis. While most (89%) states had written guidelines for the safe transportation of patients with HHCDs, only 6 (16%) had written protocols for the management of accidents or other travel disruptions that may occur during HHCD transport within the state. Twenty-two state health departments (59%) had operationally exercised transport of a patient to an HLIU. CONCLUSIONS: Nearly half of states in the United States lack an HLIU, yet most prefer to have patients with HHCDs treated in high-level isolation. Recent budget cuts and uncertainty of future funding threaten the abilities of health departments to devote the necessary resources and staff to prepare for and deliver the desired care to HHCD cases. The lack of HLIUs in some states may complicate transport to a geographically proximate HLIU. Moreover, limited guidance on diseases that warrant high-level isolation may cause disagreement in HHCD patient placement between health departments, diagnosing facilities, and HLIUs. PMID- 29227421 TI - An Assessment of Information Exchange Practices, Challenges, and Opportunities to Support US Disease Surveillance in 3 States. AB - BACKGROUND: State and local public health agencies collect and use surveillance data to identify outbreaks, track cases, investigate causes, and implement measures to protect the public's health through various surveillance systems and data exchange practices. PURPOSE: The purpose of this assessment was to better understand current practices at state and local public health agencies for collecting, managing, processing, reporting, and exchanging notifiable disease surveillance information. METHODS: Over an 18-month period (January 2014-June 2015), we evaluated the process of data exchange between surveillance systems, reporting burdens, and challenges within 3 states (California, Idaho, and Massachusetts) that were using 3 different reporting systems. RESULTS: All 3 states use a combination of paper-based and electronic information systems for managing and exchanging data on reportable conditions within the state. The flow of data from local jurisdictions to the state health departments varies considerably. When state and local information systems are not interoperable, manual duplicative data entry and other work-arounds are often required. The results of the assessment show the complexity of disease reporting at the state and local levels and the multiple systems, processes, and resources engaged in preparing, processing, and transmitting data that limit interoperability and decrease efficiency. CONCLUSIONS: Through this structured assessment, the Centers for Disease Control and Prevention (CDC) has a better understanding of the complexities for surveillance of using commercial off-the-shelf data systems (California and Massachusetts), and CDC-developed National Electronic Disease Surveillance System Base System. More efficient data exchange and use of data will help facilitate interoperability between National Notifiable Diseases Surveillance Systems. PMID- 29227422 TI - Assessment of the Sustainability Capacity of a Coordinated Approach to Chronic Disease Prevention. AB - OBJECTIVE: This article outlines some factors that influenced the sustainability capacity of a coordinated approach to chronic disease prevention in state and territory health departments. DESIGN: This study involved a cross-sectional design and mixed-methods approach. Quantitative data were collected using the Program Sustainability Assessment Tool (PSAT), a 40-item multiple-choice instrument that assesses 8 domains of sustainability capacity (environmental support, funding stability, partnerships, organizational capacity, program evaluation, program adaptation, communications, and strategic planning). Qualitative data were collected via phone interviews. PARTICIPANTS: The PSAT was administered to staff and stakeholders from public health departments in 50 US states, District of Columbia, and Puerto Rico, who were involved in the implementation of coordinated chronic disease programs. Phone interviews were conducted with program coordinators in each state. MAIN OUTCOME MEASURE(S): Sustainability score patterns and state-level categorical results, as well as strengths and opportunities for improvement across the 8 program sustainability domains, were explored. RESULTS: On average, programs reported the strongest sustainability capacity in the domains of program adaptation, environmental support, and organizational capacity, while funding stability, strategic planning, and communications yielded lowest scores, indicating weakest capacity. Scores varied the most by state in environmental support and strategic planning. CONCLUSION: The PSAT results highlight the process through which states approached the sustainability of coordinated chronic disease initiatives. This process included an initial focus on program evaluation and partnerships with transfer of priority to long-term strategic planning, communications, and funding stability to further establish coordinated chronic disease efforts. Qualitative interviews provided further context to PSAT results, indicating that leadership, communications, partnerships, funding stability, and policy change were perceived as keys to success of the transition. Integrating these findings into future efforts may help those in transition establish greater sustainability capacity. The PSAT results and interviews provide insight into the capacity for sustainability for programs transitioning from traditional siloed programs to coordinated chronic disease programs. PMID- 29227423 TI - Evaluating the Potential Health and Revenue Outcomes of a 100% Healthy Vending Machine Nutrition Policy at a Large Agency in Los Angeles County, 2013-2015. AB - CONTEXT: Healthy vending machine policies are viewed as a promising strategy for combating the growing obesity epidemic in the United States. Few studies have evaluated the short- and intermediate-term outcomes of healthy vending policies, especially for interventions that require 100% healthy products to be stocked. OBJECTIVE: To evaluate the potential impact of a 100% healthy vending machine nutrition policy. DESIGN: The vendor's quarterly revenue, product sales records, and nutritional information data from 359 unique vending machines were used to conduct a baseline and follow-up policy analysis. SETTING: County of Los Angeles facilities, 2013-2015. PARTICIPANTS: Vending machines in facilities located across Los Angeles County. INTERVENTION: A healthy vending machine policy executed in 2013 that required 100% of all products sold in contracted machines meet specified nutrition standards. OUTCOME MEASURES: Policy adherence; average number of calories, sugar, and sodium in food products sold; revenue change. RESULTS: Policy adherence increased for snacks and beverages sold by the vending machines by 89% and 98%, respectively. Average snack and beverage revenues decreased by 37% and 34%, respectively, during the sampled period. CONCLUSIONS: Although a 100% healthy vending policy represents a promising strategy for encouraging purchases of healthier foods, steps should be taken to counteract potential revenue changes when planning its implementation. PMID- 29227424 TI - Effect of Antiretroviral Therapy on Growth Parameters of Children With HIV Infection. AB - BACKGROUND: Children living with HIV (CLHIV) commonly experience growth failure. We report growth parameters in CLHIV at baseline and during 3 years of antiretroviral therapy (ART). METHODS: Records of CLHIV who had completed at least 3 years on ART were reviewed after excluding subjects who died, were lost to follow-up or developed treatment failure to assess impact of sustained administration of ART. Height-for-age (HFA) and body mass index for age (BFA) Z scores were calculated, and proportion of CLHIV with wasting and stunting estimated at baseline, 6, 12, 24 and 36 months after starting ART using the linear mixed model. Factors influencing significant changes in growth parameters were assessed. RESULTS: HFA Z score improved steadily from -3.12 at baseline to 2.33 at 36 months of ART. The prevalence of stunting declined from 77.7% to 59.2% during this period. BFA Z scores improved from -1.2 at baseline to -0.4 at12 months on ART but declined to -1.0 at 36 months. The proportion of subjects with wasting was 29.3%, 9.7% and 16.7% at baseline, 12 and 36 months, respectively. Baseline clinical stage (1 + 2), absence of wasting and lower HFA Z score had significant positive influence on changes in HFA Z score, while younger age at ART initiation and a low baseline BFA Z score had a positive influence on catch up in body mass index. Including data of children who died or developed treatment failure did not impact upon the results. CONCLUSION: Majority of CLHIV are stunted at the start of ART. ART was only partially effective in countering malnutrition and growth failure in CLHIV. PMID- 29227425 TI - Editor's Commentary: Vaccines as a Tool to Combat Antibiotic Resistance. PMID- 29227426 TI - Mycobacterial Disease in Immunocompromised Children in a High Endemic Area. PMID- 29227427 TI - Is Late-onset Gram-negative Bloodstream Infection Associated with Gastrointestinal Pathology in Infants Hospitalized in Neonatal Units? PMID- 29227428 TI - Asymmetric Oligoarthritis With Enthesitis Associated With Acute Mumps Virus Infection. PMID- 29227429 TI - Looking Back to Move Forward: Editorial by New Editor-in-Chief Simon Kitto. PMID- 29227430 TI - Continuing Education Meets the Learning Organization: The Challenge of a Systems Approach to Patient Safety. AB - Since the release of the report of the Institute of Medicine on medical errors and patient safety in November 1999, health policy makers and health care leaders in several nations have sought solutions that will improve the safety of health care. This attention to patient safety has highlighted the importance of a learning approach and a systems approach to quality measurement and improvement. Balanced with the need for public disclosure of performance, confidential reporting with feedback is one of the prime ways that nations such as the United States, Canada, the United Kingdom, and Australia have approached this challenge. In the United States, the Quality Interagency Coordination Task Force has convened federal agencies that are involved in health care quality improvement for a coordinated initiative. Based on an investment in a strong research foundation in health care quality measurement and improvement, there are eight key lessons for continuing education if it is to parlay the interest in patient safety into enhanced continuing education and quality improvement in learning health care systems. The themes for these lessons are (1) informatics for information, (2) guidelines as learning tools, (3) learning from opinion leaders, (4) learning from the patient, (5) decision support systems, (6) the team learning together, (7) learning organizations, and (8) just-in-time and point-of care delivery. PMID- 29227431 TI - Faculty Development for Continuing Interprofessional Education and Collaborative Practice. AB - This article proposes a framework for faculty development in continuing interprofessional education (CIPE) and collaborative practice. The framework is built on best practices in faculty development and CIPE. It was informed by local experience in the development, delivery, and evaluation of a faculty development program to promote capacity for dissemination of concepts relating to interprofessional education (IPE) and interprofessional collaboration (IPC) in health care environments. Interprofessional education has been demonstrated in clinical contexts to enhance interprofessional collaboration, patient care, and health outcomes. With curriculum design, teaching methods, and educational strategies in faculty development, it is possible to enhance the impact of IPE in clinical contexts. Faculty development activities themselves can model effective interprofessional education methods and practice. An IPE curriculum and teaching and education strategies are outlined. Strategic planning, including the application of a systems approach, attention to the principles of effective learning, and an outcomes-based curriculum design are recommended for the development of continuing IPE faculty development programs that enhance interprofessional collaboration. PMID- 29227432 TI - CPD and KT: Models Used and Opportunities for Synergy. AB - The two fields of continuing professional development (CPD) and knowledge translation (KT) within the health care sector, and their related research have developed as somewhat parallel paths with limited points of overlap or intersection. This is slowly beginning to change. The purpose of this paper is to describe and compare the dominant conceptual models informing each field with the view of increasing understanding and appreciation of the two fields, how they are similar and where they differ, and the current and potential points of intersection. The models include the "knowledge-to-action" (KTA) cycle informing KT, models informing CPD curriculum design and individual self-directed learning, and the Kirkpatrick model for evaluating educational outcomes. When compared through the perspectives of conceptual designs, processes, and outcomes, the models overlap. We also identify shared gaps in both fields (eg, the need to explore the influence of the context in which CPD and KT interventions take place) and suggest opportunities for synergies and for moving forward. PMID- 29227433 TI - Integrating Essential Components of Quality Improvement into a New Paradigm for Continuing Education. AB - Continuing education (CE) that strives to improve patient care in a complex health care system requires a different paradigm than CE that seeks to improve clinician knowledge and competence in an educational setting. A new paradigm for CE is necessary in order to change clinician behavior and to improve patient outcomes in an increasingly patient-centered, quality-oriented care context. The authors assert that a new paradigm should focus attention on an expanded and prioritized list of educational outcomes, starting with those that directly affect patients. Other important components of the paradigm should provide educational leaders with guidance about what interventions work, reasons why interventions work, and what contextual factors may influence the impact of interventions. Once fully developed, a new paradigm will be helpful to educators in designing and implementing more effective CE, an essential component of quality improvement efforts, and in supporting policy trends and in promoting CE scholarship. The purpose of this article is to rekindle interest in CE theory and to suggest key components of a new paradigm. PMID- 29227434 TI - Evaluations of Educational Interventions: Getting Them Published and Increasing Their Impact. PMID- 29227435 TI - Appreciation of JCEHP Editor-In-Chief Emeritus, Curtis A. Olson, PhD, 2010 to 2017. PMID- 29227436 TI - The Effect of Acetaminophen on Temperature in Critically Ill Children: A Retrospective Analysis of Over 50,000 Doses. AB - OBJECTIVES: Acetaminophen is widely used in PICUs. Although randomized controlled trials suggest that acetaminophen significantly reduces body temperature in adults, the effect of acetaminophen on temperature in critically ill children has not been previously quantified. DESIGN: Retrospective observational cohort study. SETTING: Single-center general and cardiac PICU in a specialist children's hospital. PATIENTS: All children who received acetaminophen or had a fever (temperature >= 38 degrees C) while on the ICU over a 40-month period (September 2012 to December 2015). INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: In total, 58,177 doses of acetaminophen were administered, with temperature data available for analysis for 54,084 doses. Temperature decreased by 0.11 degrees C (95% CI, 0.09-0.14 degrees C) 4 hours post acetaminophen dose, after adjustment for weight and illness severity. In children who had a fever and were given acetaminophen, temperature decreased by 0.78 degrees C (95% CI, 0.74-0.82 degrees C). Temperature decreased by 0.88 degrees C (95% CI, 0.85-0.92 degrees C) in children who had fever but did not receive acetaminophen. The change in temperature associated with fever was significantly different between those who did and did not receive acetaminophen (likelihood ratio statistic 246.06; p < 2.2 * 10). CONCLUSIONS: Acetaminophen is associated with a significant decrease in temperature in children with fever. However, temperature may decrease following fever without acetaminophen in the PICU. The threshold to use acetaminophen must be understood to determine the true effect on temperature in any future trials. PMID- 29227437 TI - Reducing Childhood Admissions to the PICU for Poisoning (ReCAP2) by Predicting Unnecessary PICU Admissions After Acute Intoxication. AB - OBJECTIVE: To derive and validate clinical prediction models to identify children at low risk of clinically significant intoxications for whom intensive care admission is unnecessary. DESIGN: Retrospective review of data in the National Poison Data Systems from 2011 to 2014 and Georgia Poison Center cases from July to December 2016. SETTING: United States PICUs and poison centers participating in the American Association of Poison Control Centers from 2011 to 2016. PATIENTS: Children 18 years and younger admitted to a United States PICU following an acute intoxication. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: The primary study outcome was the occurrence of clinically significant intoxications defined a priori as organ system-based clinical effects that require intensive care monitoring and interventions. We analyzed 70,364 cases. Derivation (n = 42,240; 60%) and validation cohorts (n = 28,124; 40%) were randomly selected from the eligible population and had similar distributions of clinical effects and PICU interventions. PICU interventions were performed in 1,835 children (14.1%) younger than 6 years, in 374 children (15.4%) 6-12 years, and in 4,446 children (16.5%) 13 years and older. We developed highly predictive models with an area under the receiver operating characteristic curve of 0.834 (< 6 yr), 0.771 (6-12 yr), and 0.786 (>=13 yr), respectively. For predicted probabilities of less than or equal to 0.10 in the validation cohorts, the negative predictive values were 95.4% (< 6 yr), 94.9% (6-12 yr), and 95.1% (>= 13 yr). An additional 700 patients from the Georgia Poison Center were used to validate the model and would have reduced PICU admission by 31.4% (n = 110). CONCLUSIONS: These validated models identified children at very low risk of clinically significant intoxications for whom pediatric intensive care admission can be avoided. Application of this model using Georgia Poison Center data could have resulted in a 30% reduction in PICU admissions following intoxication. PMID- 29227438 TI - Transcanal Transpromontorial Acoustic Neuroma Surgery: Results and Facial Nerve Outcomes. AB - BACKGROUND: Recently, the transcanal approach for the removal of acoustic neuromas has been introduced. Facial nerve (FN) preservation is one of the main challenges of this kind of surgery. OBJECTIVE: To describe our experience in the surgical treatment of acoustic neuromas, focusing on the functional results of FN preservation after a transcanal approach. METHODS: A retrospective chart review was carried out on clinical data and videos from operations on 49 patients who underwent surgery with a totally transcanal exclusive endoscopic approach for Koos stage I-II lesions, or an enlarged transcanal transpromontorial approach for Koos stage II-III tumors, between March 2012 and February 2017. Patients and tumor characteristics, clinical manifestations, radiologic features, audiological results, FN outcomes (according to the House-Brackmann [HB] grading system) and complications were evaluated. Tumors were classified according to the Koos grading system. RESULTS: The age of the patients (34 females and 15 males) ranged from 27 to 77 years (mean age: 54.9 yr). Preoperative diagnosis was "vestibular schwannoma" in all patients. At the last follow-up (range 1-60 mo, mean 13.9 mo), 42 of 49 showed grade I HB FN function, 5 of 49 grade II HB, and 2 of 49 grade III HB. Overall, in 95.9%, FN function was preserved (grade I-II HB) with stable results at follow-up; in 4.1% of cases, FN function was reduced, but not worse than grade III. CONCLUSION: The transcanal approach represents a feasible, minimally invasive, and conservative technique for the management of acoustic neuromas of the internal auditory canal. PMID- 29227439 TI - Assessment of Masses of the External Ear With Diffusion-Weighted MR Imaging. AB - PURPOSE: To assess masses of the external ear with diffusion-weighted MR imaging. MATERIAL AND METHODS: Retrospective analysis of 43 consecutive patients with soft tissue mass of the external ear. They underwent single shot diffusion-weighted MR imaging of the ear. The apparent diffusion coefficient (ADC) value of the mass of the external ear was calculated. The final diagnosis was performed by biopsy. The ADC value correlated with the biopsy results. RESULTS: The mean ADC value of malignancy (=27) of external ear (0.95 +/- 0.19 * 10 mm/s) was significantly lower (p = 0.001) than that of benign (n = 16) lesions (1.49 +/- 0.08 * 10 mm/s). The cutoff ADC used for differentiation of malignancy from benign lesions was 1.18 * 10 mm/s with an area under the curve of 0.959, an accuracy of 93%, a sensitivity of 92%, and specificity of 93%. There was a significant difference in the ADC of well and moderately differentiated malignancy versus poorly and undifferentiated squamous cell carcinoma (p = 0.001), and stages I and II versus stages III and IV (p = 0.04) of squamous cell carcinoma. CONCLUSION: ADC value is a non-invasive promising imaging parameter that can be used for differentiation of malignancy of the external ear from benign lesions, and grading and staging of squamous cell carcinoma of the external ear. PMID- 29227440 TI - What Is the Safety and Efficacy of Chemical Venous Thromboembolism Prophylaxis Following Vestibular Schwannoma Surgery? AB - OBJECTIVE: The benefit of routine chemical prophylaxis use for venous thromboembolism (VTE) prevention in skull base surgery is controversial. Chemical prophylaxis can prevent undue morbidity and mortality, however there are risks for hemorrhagic complications. STUDY DESIGN: Retrospective case-control. METHODS: A retrospective chart review of patients who underwent surgery for vestibular schwannoma from 2011 to 2016 was performed. Patients were divided by receipt of chemical VTE prophylaxis. Number of VTEs and hemorrhagic complications (intracranial hemorrhage, abdominal hematoma, and postauricular hematoma) were recorded. RESULTS: One hundred twenty-six patients were identified, 55 received chemical prophylaxis, and 71 did not. All the patients received mechanical prophylaxis. Two patients developed a deep vein thrombosis (DVT) and one patient developed a pulmonary embolism (PE). All patients who developed a DVT or PE received chemical prophylaxis. There was no difference in DVT (p = 0.1886) or PE (p = 0.4365) between those who received chemical prophylaxis and those who did not. Five patients developed a hemorrhagic complication, two intracranial hemorrhage, three abdominal hematoma, and zero postauricular hematoma. All five patients with a complication received chemical prophylaxis (p = 0.00142). The relative risk of a hemorrhagic complication was 14.14 (95% CI = 0.7987-250.4307; p = 0.0778). CONCLUSION: There was a significant difference between the number of hemorrhagic complications but not between numbers of DVT or PE. Mechanical and chemical prophylaxis may lower the risk of VTE but in our series, hemorrhagic complications were observed. These measures should be used selectively in conjunction with early ambulation. PMID- 29227441 TI - Potential Risk Factors Affecting Repeated Canalith Repositioning Procedures in Benign Paroxysmal Positional Vertigo. AB - OBJECTIVE: To define the risk factors and adverse effects associated with repeated canalith repositioning procedures (CRPs). STUDY DESIGN: A case series featuring chart review. SETTING: An academic university hospital. PATIENTS: We retrospectively reviewed 1900 patients (average age, 54.9 years; range, 11-88 years) diagnosed with benign paroxysmal positional vertigo (BPPV). All underwent repeated CRPs. We recorded clinical features including age, gender, BPPV cause (idiopathic or secondary), symptom duration, the canal involved, the number of sessions of CRP, recurrence, follow-up duration, and complications. We compared these factors using Pearson's chi-squared test and multiple linear regression analysis with dummy variables. INTERVENTIONS: BPPV was diagnosed based on the results of the head roll and Dix-Hallpike tests. RESULTS: The overall BPPV resolution rate for patients treated with repeated CRPs was 96.4%. The risk factors for the need for multiple CRPs in BPPV were the duration of vertigo before treatment (beta = 0.326, p < 0.001), the type of canal involved (beta = 0.130, p < 0.001), and age (beta = 0.040, p = 0.040). The explanatory power of the regression model attained 46.0% (F = 172.510, p < 0.001). The failure rate of repeated CRPs was 3.6% and complications included canal conversion (3.1%), nausea (46.4%), vomiting (4.9%), head heaviness (50.8%), imbalance (31.9%), and hypotension or palpitations (8.6%). However, almost all patients recovered. CONCLUSION: The risk factors associated with the need for Multiple CRPs were as follows: longer duration of vertigo before treatment, bilateral or multiple canal involved, and age >50 years. PMID- 29227442 TI - What Is the Sensitive Period to Initiate Auditory Stimulation for the Second Ear in Sequential Cochlear Implantation? AB - OBJECTIVES: Bilateral cochlear implants (CI) are the standard treatment for bilaterally deaf children, but it is unclear how much the second CI can be delayed in sequential bilateral CI. We investigated the performances of sequential CI to answer this question. STUDY DESIGN: Retrospective case series review. SETTING: Tertiary referral center. METHODS: We studied a cohort of congenitally deaf children (n = 73) who underwent sequential CI without any inner ear anomaly or combined disabilities. Hearing threshold levels and speech perception were evaluated by aided pure tone audiometry and Asan-Samsung Korean word recognition test. The scores were analyzed by the ages at surgery and compared among the different age groups. RESULTS: When the second CI was performed before 3.5 years (the optimal period for the first CI), the second CI scores (96.9%) were comparable to the first CI scores. Although the first CI scores were more than or equal to 80% when the first CI was implanted before the age of 7 years, the second CI scores were more than or equal to 80% when the second CI was implanted before the age of 12 to 13 years. The hearing threshold levels were not different regardless of the ages and between the first and second CIs. CONCLUSION: Our cohort demonstrated that the second CI showed comparable results to the first CI when implanted before 3.5 years, suggesting that optimal periods for the first CI and the second CI are same. However, the sensitive period (12-13 yr) for the second CI with good scores (>=80%) was much longer than that (7 yr) of the first CI, suggesting that the first CI prolongs the sensitive period for the second CI. The second CI should be implanted early, but considered even at a later age. PMID- 29227444 TI - The Association Between Local Economic Conditions and Opioid Prescriptions Among Disabled Medicare Beneficiaries. AB - BACKGROUND: This paper concerns public health crises today-the problem of opioid prescription access and related abuse. Inspired by Case and Deaton's seminal work on increasing mortality among white Americans with lower education, this paper explores the relationship between opioid prescribing and local economic factors. OBJECTIVE: We examined the association between county-level socioeconomic factors (median household income, unemployment rate, Gini index) and opioid prescribing. SUBJECTS: We used the complete 2014 Medicare enrollment and part D drug prescription data from the Center for Medicare and Medicaid Services to study opioid prescriptions of disabled Medicare beneficiaries without record of cancer treatment, palliative care, or end-of-life care. MEASURES AND RESEARCH DESIGN: We summarized the demographic and geographic variation, and investigated how the local economic environment, measured by county median household income, unemployment rate, Gini index, and urban-rural classification correlated with various measures of individual opioid prescriptions. Measures included number of filled opioid prescriptions, total days' supply, average morphine milligram equivalent (MME)/day, and annual total MME dosage. To assess the robustness of the results, we controlled for individual and other county characteristics, used multiple estimation methods including linear least squares, logistic regression, and Tobit regression. RESULTS AND CONCLUSIONS: Lower county median household income, higher unemployment rates, and less income inequality were consistently associated with more and higher MME opioid prescriptions among disabled Medicare beneficiaries. Geographically, we found that the urban-rural divide was not gradual and that beneficiaries in large central metro counties were less likely to have an opioid prescription than those living in other areas. PMID- 29227445 TI - Mobile Hearing Testing Applications and the Diagnosis of Sudden Sensorineural Hearing Loss: A Cautionary Tale. AB - OBJECTIVE: Mobile hearing applications (apps) are available for hearing testing, personal sound amplification, as well as hearing aid modulation. Hearing testing apps are gaining popularity, especially in resource-limited settings. The reliability of mobile hearing testing apps, however, is not well characterized. PATIENTS/INTERVENTIONS: A case study of a single patient with a complaint of sudden hearing loss presenting to a tertiary-care hospital. MAIN OUTCOME MEASURE: Comparison of a mobile hearing testing app results with standard audiogram. RESULTS: A commercially available mobile hearing testing app was used after hours to determine if a patient's hearing complaints were consistent with sudden sensorineural hearing loss. The hearing app produced a rudimentary audiogram that was consistent with unilateral SSNHL. Given contraindications to oral treatment, preparations for possible intratympanic dexamethasone after a full audiometric evaluation were completed. Confirmatory audiogram the following day demonstrated normal hearing without evidence of hearing loss. Steroid treatment was aborted and appropriate counseling provided. CONCLUSION: While mobile hearing testing apps offer improved access to hearing screening in resource-limited settings, caution must be exercised when interpreting data and making clinical decisions based upon results. The role of professional audiologists remains critical. Further testing and validation of specific apps is required. PMID- 29227443 TI - Associations Between Medicare Part D and Out-of-Pocket Spending, HIV Viral Load, Adherence, and ADAP Use in Dual Eligibles With HIV. AB - BACKGROUND: The implementation of Medicare part D on January 1, 2006 required all adults who were dually enrolled in Medicaid and Medicare (dual eligibles) to transition prescription drug coverage from Medicaid to Medicare part D. Changes in payment systems and utilization management along with the loss of Medicaid protections had the potential to disrupt medication access, with uncertain consequences for dual eligibles with human immunodeficiency virus (HIV) who rely on consistent prescription coverage to suppress their HIV viral load (VL). OBJECTIVE: To estimate the effect of Medicare part D on self-reported out-of pocket prescription drug spending, AIDS Drug Assistance Program (ADAP) use, antiretroviral adherence, and HIV VL suppression among dual eligibles with HIV. METHODS: Using 2003-2008 data from the Women's Interagency HIV Study, we created a propensity score-matched cohort and used a difference-in-differences approach to compare dual eligibles' outcomes pre-Medicare and post-Medicare part D to those enrolled in Medicaid alone. RESULTS: Transition to Medicare part D was associated with a sharp increase in the proportion of dual eligibles with self reported out-of-pocket prescription drug costs, followed by an increase in ADAP use. Despite the increase in out-of-pocket costs, both adherence and HIV VL suppression remained stable. CONCLUSIONS: Medicare part D was associated with increased out-of-pocket spending, although the increased spending did not seem to compromise antiretroviral therapy adherence or HIV VL suppression. It is possible that increased ADAP use mitigated the increase in out-of-pocket spending, suggesting successful coordination between Medicare part D and ADAP as well as the vital role of ADAP during insurance transitions. PMID- 29227446 TI - Meta-analysis of Cochlear Implantation Outcomes Evaluated With General Health related Patient-reported Outcome Measures. AB - OBJECTIVE: Determine the change in general health-related quality of life (HRQOL) after cochlear implantation and association with speech recognition. STUDY DESIGN: Meta-analysis. METHODS: Search was performed following the PRISMA statement using PubMed, Medline, Scopus, and CINAHL. Studies on adult cochlear implant (CI) patients measuring HRQOL before and after cochlear implantation were included. Standardized mean difference (SMD) for each measure and pooled effects were determined. A meta-analysis of correlations was also performed between all non-disease-specific patient-reported outcome measures (PROMs) and speech recognition after cochlear implantation. RESULTS: Twenty-two articles met criteria for meta-analysis of HRQOL improvement, but 15 (65%) were excluded due to incomplete statistical reporting. From the seven articles with 274 CI patients that met inclusion criteria, pooled analyses showed a medium positive effect of cochlear implantation on HRQOL (SMD = 0.79). Subset analysis of the HUI-3 measure showed a large effect (SMD = 0.84). Nine articles with 550 CI patients met inclusion criteria for meta-analysis of correlations between non-disease specific PROMs and speech recognition after cochlear implantation. Pooled analysis showed a low correlation between non-disease-specific PROMs and word recognition in quiet (r = 0.35), sentence recognition in quiet (r = 0.40), and sentence recognition in noise (r = 0.32). CONCLUSION: Although regularly used, HRQOL measures are not intended to measure nor do they accurately reflect the complex difficulties facing CI patients. Only a medium positive effect of cochlear implantation on HRQOL was observed along with a low correlation between non disease-specific PROMs and speech recognition. The use of such instruments in this population may underestimate the benefit of cochlear implantation. PMID- 29227447 TI - Heat Shock Proteins in Human Perilymph: Implications for Cochlear Implantation. AB - OBJECTIVE: Biomarkers reflecting the etiology and pathophysiology of inner ear diseases are limited. Evaluation of proteins in the perilymph may improve our understanding of inner ear disease. Heat shock proteins (HSP) belong to a superfamily of stress proteins and promote refolding of denatured proteins. The aim of the study was to analyze HSP in human perilymph and to identify possible correlation with audiological and etiologic data. METHODS: Sampling of the perilymph was performed during cochlear implantation and vestibular schwannoma removal. Individual proteins were identified by a shot-gun proteomics approach by orbitrap mass spectrometry. Expression of HSP genes was determined in human cochlear tissue that was obtained during transcochlear surgeries. RESULTS: Ten subgroups of HSP were identified in human perilymph samples. Increased levels of HSP were detected in a higher percentage in the perilymph of patients with residual hearing when compared with patients with no residual hearing in cochlear implantation. In patients with complete preservation of residual hearing, HSP 90 is identified in a lower percentage whereas HSP 70 1A/1B and 6 was identified in all the samples. Constitutive expression of HSP family members was verified in normal cochlear tissue. CONCLUSION: The 10 HSP variants are not identified in all the perilymph samples, but in a higher proportion in patients with residual hearing compared with patients with no residual hearing. In-depth proteome analysis of perilymph samples in correlation to patients' audiogram data shows an increased concentration of HSP in patients with residual hearing. An increase in specific HSP in patients with loss of residual hearing after cochlear implantation was not observed. PMID- 29227448 TI - Cochlear Implantation in Chronic Otitis Media With Cholesteatoma and Open Cavities: Long-term Surgical Outcomes. AB - OBJECTIVES: To evaluate the long-term surgical outcomes of cochlear implantation (CI) in chronic otitis media (COM) with cholesteatoma and open cavities using subtotal petrosectomy (STP). To review device explantation (DE) patients and reimplantation considerations. STUDY DESIGN: Retrospective review. SETTING: Otology and skull base center. PATIENTS AND METHODS: Charts of 35 patients (36 ears) with COM with cholesteatoma, including open cavities, who underwent CI were reviewed for surgical outcomes and DE. Patient demographics, pathologies, previous surgeries, staging of implantation, salient intraoperative findings at the time of implantation and follow-up were evaluated. Details of patients with DE were evaluated for cause, operative findings, and reimplantation considerations. RESULTS: Mean age of patients was 65.94 years. Nineteen open cavities, 11 primary cholesteatomas, 3 petrous bone cholesteatomas, and 3 atelectatic middle ears represented the pathologies with 31 patients of CI with concurrent STP and 5 patients where implantation was staged. The mean follow-up was 7.16 years ranging from 2 to 13 years. Four patients (11%) had DE due to extrusion and cavity infection with three reimplanted in same or contralateral ear. All explantations occurred within 24 months of primary implantation. No residual or recurrent cholesteatoma was observed in any of the patients during follow-up. CONCLUSION: CI is feasible in COM with cholesteatoma and open cavities with the use of STP and single-stage implantation can be performed in the absence of purulence. Despite low risk of residual cholesteatoma post meticulous disease removal, risk of DE remains, particularly in open cavity patients, and is higher than standard implantation. Reimplantation is often possible with careful considerations. PMID- 29227449 TI - Early Outcomes With a Slim, Modiolar Cochlear Implant Electrode Array. AB - OBJECTIVE: To describe outcomes from cochlear implantation with a new, slim modiolar electrode array. STUDY DESIGN: Retrospective cohort study. SETTING: Tertiary referral centers. PATIENTS: Adult cochlear implant candidates. INTERVENTIONS: Cochlear implantation with CI532 (Cochlear Corp). MAIN OUTCOME MEASURES: Pre- and postoperative speech perception scores, operative details, and postoperative computed tomography (CT) reconstructions of array location. RESULTS: One hundred seventeen patients are implanted to date. There were eight tip rollovers identified with intraoperative x-ray and resolved with reinsertion. An additional rollover was identified on postoperative CT. CT reconstructions in 17 of 23 patients showed complete scala tympani placement with a wrap factor of 58% (range 53-64%) and a mean insertion angle of 406 degrees (range 360-452 degrees). Three implants demonstrated array translocation with electrodes in the scala vestibuli. Consonant-nucleus-consonant word scores improved from 10% preoperatively to 48% at 3 months postoperatively. Pure-tone thresholds were preserved postoperatively in 37 to 52% of patients across frequencies from 250 to 4000 Hz. Functional pure-tone thresholds (<=80 dB) were recorded in 9 to 25% of patients. CONCLUSION: CI532 array insertion results in consistent scala tympani location and provides expected audiologic performance. Initial hearing preservation results are not consistent with current electro-acoustic arrays. PMID- 29227450 TI - Hearing Loss in Pediatric Patients With Cerebral Palsy. AB - OBJECTIVE: This study evaluates the prevalence, type, and severity of hearing impairment in children with cerebral palsy (CP) and to analyze audiologic and otologic outcomes in these patients. STUDY DESIGN: Retrospective analysis of the AudGen Database. SETTING: Tertiary academic referral center. PATIENTS: Pediatric patients in AudGen Database with a diagnosis of cerebral palsy. Appropriate audiologic, otologic, and demographic data were recorded.Nine hundred forty patients met inclusion criteria. Hearing loss (HL) was defined as greater than 15 dB HL at any threshold by pure tone or greater than 20 dB HL by soundfield audiometry. Other available otologic and medical conditions were documented. RESULTS: Of 940 patients, 367 (39%) had hearing loss. Of the 1,629 individual ears with HL, 782 (48%) had conductive, 63 (4%) had sensorineural, 410 (25%) had mixed, and 374 (23%) had unspecified hearing loss. Patients with mixed type 1 hearing loss had significantly worse PTAs. INTERPRETATION: Hearing loss in CP has a large degree of sensorineural loss, with a predisposition to be bilateral. The severity of hearing loss was correlated with the degree of the motor and neurologic disability in these patients. PMID- 29227451 TI - Cartilage Conduction Hearing Aids for Severe Conduction Hearing Loss. AB - OBJECTIVE: To assess the benefits of a new type of hearing aid using cartilage conduction (CC) in patients with severe conduction hearing loss and evaluate its potential for practical use. STUDY DESIGN: Consecutive, prospective case series. PATIENTS: Forty-one subjects (21 with bilateral aural atresia; 15 with unilateral aural atresia; and 5 others) participated in this study. INTERVENTION: Fitting and gain adjustments of the CC hearing aids were performed to the ear(s) with conduction hearing loss. MAIN OUTCOME MEASURES: The function gains were measured. Evaluation of the measurements of speech performance-intensity functions, speech recognition scores, tolerance of environmental noise, and subject questionnaires were also performed, and judged according to the "Guidelines for the evaluation of hearing aid fitting" established by the Japan Audiological Society. RESULTS: The thresholds were significantly improved by CC hearing aids. The functional gains for CC hearing aids were nearly equivalent to that for their previously used hearing aids. The style of the transducer fixation and the type of aural atresia had no significant influence on the functional gains. Most of the assessment results were judged to be sufficient. Before the trial, bone conduction hearing aids had been used most frequently by bilateral aural atresia subjects. However, after the trial, most subjects continued to use CC hearing aids instead of reverting back to their original device. Overall, 39 subjects continued use of the CC hearing aids. No severe adverse effects were noted in the trial. CONCLUSION: Cartilage conduction hearing aids could be an additional and beneficial option for severe conduction hearing loss from aural atresia. PMID- 29227452 TI - High Resolution Three-Dimensional Delayed Contrast MRI Detects Endolymphatic Hydrops in Patients With Vertigo and Vestibular Schwannoma. AB - OBJECTIVE: Advances in high resolution magnetic resonance imaging (MRI) have enabled the detection of endolymphatic hydrops (EH), a pathological ballooning of the endolymphatic fluid system, known to be associated with Meniere's disease. When a patient has a known diagnosis of vestibular schwannoma and develops recurrent episodic vertigo spells, many surgeons recommend surgical intervention, attributing the vestibular symptoms to the vestibular schwannoma. The aim of this study is to evaluate the clinical outcome in patients with vestibular schwannoma and EH, treated medically, for recurrent spells of vertigo. PATIENTS: Two patients with EH and vestibular schwannoma who presented with recurrent spells of vertigo are included. Both had characteristic low frequency hearing loss ipsilateral to the schwannoma. INTERVENTION: MRI sequences with 3T scanner (Skyra, Siemens Healthcare, Erlangen, Germany) using high resolution three dimensional delayed postcontrast protocol included "cisternographic" T2 and delayed intravenous-enhanced three-dimensional fluid-attenuation inversion recovery (DIVE-3D-FLAIR) sequences, performed with 2350 ms (bright perilymph) and 2050 ms (bright endolymph) inversion times and with subtracted images. MAIN OUTCOME MEASURE: MRI FLAIR evaluation of EH and presence or absence of vestibular symptoms. RESULTS: Both patients had resolution of the disabling vertigo spells with a diuretic, and Patient 1 had unchanged EH, while Patient 2 had partial resolution of the EH and the FLAIR hyperintensity. CONCLUSION: When EH coexists with vestibular schwannoma in a patient presenting with recurrent vertigo spells, medical treatments for EH may alleviate the vestibular symptoms. We recommend that patients with small vestibular schwannomas who present with vertigo spells undergo high resolution MRI to evaluate for EH and undergo a trial of medical treatment with diuretics. PMID- 29227453 TI - Effect of Prophylactic Medication on Associated Dizziness and Motion Sickness in Migraine. AB - OBJECTIVE: To determine the efficacy of prophylactic medications for migraine in reducing associated dizziness and motion sickness. STUDY DESIGN: Multicenter prospective observational study. SETTING: Nationwide 9 Dizziness Clinics in South Korea. PATIENTS: One hundred thirty-eight patients who required a preventive medication for migraine accompanied by dizziness and motion sickness. INTERVENTION: At least one of the prophylactic medications was prescribed among the beta-blockers, calcium channel blockers, tricyclic antidepressants, and antiepileptic drugs. MAIN OUTCOME MEASURE: For 3 months from the index visit, the patients had monthly assessments of the headache (frequency and duration), dizziness handicap inventory, University of California Los Angeles dizziness questionnaire, vertigo symptom scale, and motion sickness score. RESULTS: The prophylactic medications significantly improved the headache profiles, all three parameters of dizziness (dizziness handicap inventory, University of California Los Angeles dizziness questionnaire, and vertigo symptom scale), and severity of motion sickness (p < 0.001). CONCLUSION: The prophylactic medication for migraine also improves associated dizziness and motion sickness as well as the headaches. PMID- 29227454 TI - Immediate and Long-term Hearing Outcomes With the Middle Cranial Fossa Approach for Vestibular Schwannoma Resection. AB - OBJECTIVE: To analyze the immediate postoperative and long-term hearing outcome data in patients who have undergone hearing preservation attempts with the middle cranial fossa (MCF) approach for the resection of sporadic vestibular schwannoma. STUDY DESIGN: Retrospective review of a surgical patient cohort. SETTING: Tertiary academic referral center. PATIENTS: Adult patients with unilateral sporadic vestibular schwannoma. INTERVENTION: Surgical treatment with a MCF approach. MAIN OUTCOME MEASURE: Comparison of pre- and postoperative audiometric data in accordance with the 1995 and 2012 American Academy of Otolaryngology/Head and Neck Surgery guidelines on reporting hearing outcomes and with a word recognition score only scale. Long-term hearing outcome data were analyzed in the following postoperative groups: 3 to 5, 6 to 8, 9 to 11, and 12+ years after surgery. RESULTS: From 1999 to 2016, 174 patients underwent the MCF approach and 155 of them met inclusion criteria for analysis of hearing outcome data. Class A or B hearing was preserved in 70% of the entire cohort after recovery. Seventy one patients with measurable hearing met criteria for long-term data analysis. The rate of American Academy of Otolaryngology/Head and Neck Surgery class A or B hearing preservation was 82% at 3 to 5 years and declined thereafter. The rate of word recognition score class I or II hearing preservation was 98% at 3 to 5 years and declined less rapidly thereafter. Patients with preoperative Class A hearing had significantly higher rates of successful hearing preservation at all postoperative intervals. CONCLUSION: Delayed hearing loss occurs in a progressively increasing fashion but speech understanding remains durable for a majority of patients whose hearing is initially preserved with the MCF approach. PMID- 29227455 TI - Electrophysiological Evaluation of the Facial Muscles in Congenital Unilateral Lower Lip Palsy. AB - OBJECTIVES: Congenital unilateral lower lip palsy (CULLP) is a congenital facial asymmetry in which one corner of the mouth does not dip downward symmetrically (Kobayashi, 1979). We analyzed the electrophysiological findings in cases of CULLP to understand the facial nerve mechanisms underlying this pathological condition. METHODS: The electrophysiological findings in 20 patients with CULLP including an electroneuronography (ENoG) of the orbicularis oris muscle, nerve excitability test (NET) results, and the blink reflex (BR) were analyzed. RESULTS: Of 21 patients with CULLP, 20 underwent ENoG, 12 underwent a NET, and 14 underwent a BR examination. Nine of 19 patients with CULLP showed higher ENoG amplitude in the affected side than in the unaffected side. In four patients, the ENoG amplitude in the affected side was similar to that in the unaffected side whereas six patients had higher ENoG amplitude in the unaffected side. All patients showed a normal BR response and only one patient had a left-right difference in the NET response in the marginal mandibular branch. NET also demonstrated that the muscular twitch appeared on the lower lip of the affected side. CONCLUSION: These results suggested that in CULLP, each of the facial nerve branches including the marginal mandibular branch appeared to function within normal parameters. The marginal mandibular branch of the facial nerve, which usually innervates the depressor anguli oris and depressor labii inferioris muscles, may innervate adjacent muscles as well, such as the orbicularis oris muscle, during prenatal development. PMID- 29227457 TI - Spontaneous Pnemocephalus Associated With Defects on the Tegmen Mastoideum. PMID- 29227456 TI - Photopolymerized Microfeatures Guide Adult Spiral Ganglion and Dorsal Root Ganglion Neurite Growth. AB - HYPOTHESIS: Microtopographical patterns generated by photopolymerization of methacrylate polymer systems will direct growth of neurites from adult neurons, including spiral ganglion neurons (SGNs). BACKGROUND: Cochlear implants (CIs) provide hearing perception to patients with severe to profound hearing loss. However, their ability to encode complex auditory stimuli is limited due, in part, to poor spatial resolution caused by spread of the electrical currents in the inner ear. Directing the regrowth of SGN peripheral processes towards stimulating electrodes could help reduce current spread and improve spatial resolution provided by the CI. Previous work has demonstrated that micro- and nano-scale patterned surfaces precisely guide the growth of neurites from a variety of neonatal neurons including SGNs. Here, we sought to determine the extent to which adult neurons likewise respond to these topographical surface features. METHODS: Photopolymerization was used to fabricate methacrylate polymer substrates with micropatterned surfaces of varying amplitudes and periodicities. Dissociated adult dorsal root ganglion neurons (DRGNs) and SGNs were cultured on these surfaces and the alignment of the neurite processes to the micropatterns was determined. RESULTS: Neurites from both adult DRGNs and SGNs significantly aligned to the patterned surfaces similar to their neonatal counterparts. Further DRGN and SGN neurite alignment increased as the amplitude of the microfeatures increased. Decreased pattern periodicity also improved neurite alignment. CONCLUSION: Microscale surface topographic features direct the growth of adult SGN neurites. Topographical features could prove useful for guiding growth of SGN peripheral axons towards a CI electrode array. PMID- 29227458 TI - Unilateral Sensorineural Hearing Loss Associated With Vertebrobasilar Dolichoectasia. PMID- 29227459 TI - Otosclerosis With Concomitant Anterior Malleolar Ligament Fixation. PMID- 29227460 TI - Neuropathic-Like Ocular Pain and Nonocular Comorbidities Correlate With Dry Eye Symptoms. AB - OBJECTIVE: To evaluate the association between dry eye (DE) symptoms and neuropathic-like ocular pain (NOP) features, chronic pain conditions, depression, and anxiety in patients presenting for routine ophthalmic examinations. METHODS: Two hundred thirty-three consecutive patients >=18 years of age presenting to a comprehensive eye clinic between January and August 2016 were included in this study. Information on demographics, chronic pain conditions, medication use, DE symptoms (dry eye questionnaire, DEQ5), NOP complaints (burning; wind, light, and temperature sensitivity), depression, and anxiety indices (patient health questionnaire 9, PHQ-9 and symptom checklist 90-revised, SCL-90-R) were collected for each individual. Pearson correlation was used to evaluate strengths of association. Logistic regression analysis examined risk factors for any (DEQ5>=6) and severe (DEQ5>=12) DE symptoms. RESULTS: The mean age of the population was 46.3 years (+/-13.0); 67.8% (n=158) were female. Per the DEQ5, 40.3% (n=94) had mild or greater DE symptoms and 12% (n=24) had severe symptoms. Severity of DE symptoms correlated with NOP complaints: burning (Pearson r=0.37, P<0.001); sensitivity to wind (r=0.37, P<0.001), sensitivity to light (r=0.34, P<0.001), and sensitivity to temperature (r=0.30, P<0.001). Sex, race, and ethnicity were not significant risk factors for DE symptoms. Risk factors for mild or greater DE symptoms included a greater number of chronic nonocular pain conditions (odds ratio [OR]=1.38, P<0.001), arthritic pain (OR=6.34, P<0.001), back pain (OR=2.47, P=0.004), headaches (OR=2.14, P=0.02), depression (OR=1.17, P<0.001), and anxiety (OR=1.13, P=0.02). CONCLUSION: Dry eye severity positively associated with NOP complaints, comorbid chronic pain conditions, and symptoms of depression and anxiety. PMID- 29227461 TI - Population Pharmacokinetics of Lopinavir in Severely Malnourished HIV-infected Children and the Effect on Treatment Outcomes. AB - BACKGROUND: In developing countries, malnutrition remains a common clinical syndrome at antiretroviral treatment (ART) initiation. Physiologic changes because of malnutrition and during nutritional recovery could affect the pharmacokinetics of antiretroviral drugs. METHODS: HIV-infected children admitted with severe acute malnutrition were randomized to early or delayed initiation of lopinavir (LPV)/ritonavir, abacavir and lamivudine using World Health Organization weight band dosage charts. LPV concentrations were measured on day 1 and day 14. Thereafter, patients were followed-up to week 48. The population pharmacokinetics of LPV was described using NONMEM v7.3. Covariates were screened to assess their influence on the pharmacokinetics of LPV, and the relationship between pharmacokinetic variability and treatment outcomes were assessed. RESULTS: Five hundred and two LPV concentrations were collected from 62 pediatric patients 0.1-3.9 years of age (median: 0.9 years). Rifampin-based antituberculosis treatment and "super-boosted" LPV/ritonavir were prescribed in 20 patients. LPV disposition was well described by a one-compartment model with first-order elimination. Neither randomization to early or delayed ART, tuberculosis comedications nor anthropometrical measurements explained the pharmcokinetic variability. Allometrically scaled fat-free mass influenced apparent clearance (CL/F) and volume of distribution (Vd/F). Pharmacokinetic exposure did not correlate with virologic outcomes or death at 12 or 48 weeks. CONCLUSIONS: LPV pharmacokinetics was influenced by fat-free mass and not by timing of ART initiation or tuberculosis comedication in severely malnourished HIV-infected children. LPV pharmacokinetics was found to be highly variable and bioavailability greatly reduced, resulting in a high CL estimate in this population. The role of LPV dose adjustment should be further evaluated in severely malnourished children initiating ART. PMID- 29227463 TI - The Conquest of Hib - The Importance of Protecting High Risk Children. PMID- 29227462 TI - Psychiatric Disorders, Antiretroviral Medication Adherence and Viremia in a Cohort of Perinatally HIV-Infected Adolescents and Young Adults. AB - BACKGROUND: Perinatally HIV-infected (PHIV+) adolescents and young adults (AYA) are at risk for suboptimal antiretroviral therapy (ART) adherence and mental health and substance use problems that, in HIV-infected adults, predict nonadherence. Studies on the relationship between psychiatric and substance use disorders (SUD) and adherence among PHIV+ AYA are limited, but may be important for informing evidence-based interventions to promote adherence. METHODS: Data were analyzed from 3 annual follow-up interviews (FU2-FU4, N = 179) in a longitudinal study of PHIV+ AYA. Psychiatric disorders (anxiety, disruptive behavior, mood and SUD) were assessed with the Diagnostic Interview Schedule for Children. Adherence was self-reported missed ART doses within the past week. Viral load (VL) results were abstracted from medical charts. Multiple logistic regression analyzed cross-sectional associations between psychiatric disorders and (1) missed ART dose and (2) VL > 1000 copies/mL. Multiple linear regression assessed associations between psychiatric disorders and proportion of VL values >1000 copies/mL over time. RESULTS: At FU2, 53% of PHIV+ AYA had any psychiatric disorder, 35% missed an ART dose in the past week and 47% had a VL > 1000 copies/mL. At FU2, behavioral disorders were associated with missed dose (P = 0.009) and VL > 1000 (P = 0.019), and mood disorders were associated with missed dose (P = 0.041). At FU4, behavioral disorders were associated with missed dose (P = 0.009). Behavioral disorders (P = 0.041), SUD (P = 0.016) and any disorder (P = 0.008) at FU2 were associated with higher proportion of VLs >1000 across FU2 FU4. CONCLUSIONS: Addressing psychiatric disorder and SUD among PHIV+ AYA may improve ART adherence outcomes in this population. Targeted interventions should be developed and tested. PMID- 29227464 TI - Antibiotic Resistance of Potential Otopathogens Isolated From Nasopharyngeal Flora of Children With Acute Otitis Media Before, During and After Pneumococcal Conjugate Vaccines Implementation. AB - BACKGROUND: To re-evaluate antibiotic strategies for acute otitis media (AOM) in young children, we analyzed the trends of nasopharyngeal carriage and antibiotic resistance of Streptococcus pneumoniae (Sp), Haemophilus influenzae (Hi) and Moraxella catarrhalis (Mc) isolated from young children with AOM during a 16-year period. METHODS: This cross-sectional study analyzed from 2001 to 2016 the nasopharyngeal carriage of Sp, Hi and Mc of young children with AOM. Medical history and physical findings were reported. Periods were defined by pneumococcal conjugate vaccine (PCV) introduction. We separately analyzed the 13-valent PCV (PCV13) period, which started after 2013. RESULTS: During the study, 12,973 children with AOM were enrolled by 138 pediatricians. By comparing the first and last PCV periods, the proportion of children in day care centers and that of AOM with conjunctivitis significantly increased. The proportion of penicillin nonsusceptible Sp carriage significantly decreased during the study, with 0.8% of penicillin-resistant strains isolated in the PCV13 period, but that of beta lactamase-producing Hi continually increased to 23.6% in 2016. The level of Mc beta-lactamase-producing strains remained high (>97%). In the PCV13 period, the main predictors of beta-lactamase-producing Hi carriage were conjunctivitis (adjusted odds ratio = 6.0, 95% confidence interval [4.7-7.7]) and attending a day care center (2.4 [1.7-3.5]). CONCLUSIONS: In the PCV13 period, the proportion of penicillin-resistant Sp carriage was very low and that of beta-lactamase producing Hi carriage did not exceed 20% among children with AOM and without conjunctivitis. Our results suggest that amoxicillin may remain the first-line antibiotic treatment for AOM in young children except for those with conjunctivitis, for which amoxicillin-clavulanate is still the best antibiotic. PMID- 29227465 TI - Acute Pharyngitis Associated With Streptococcus dysgalactiae Subspecies equisimilis in Children. AB - BACKGROUND AND OBJECTIVES: The importance of Streptococcus dysgalactiae subsp. equisimilis (SDSE) in causing sporadic pharyngitis in children remains controversial. The aims of this study were (1) to report the incidence and (2) to compare the epidemiologic and clinical features of patients with SDSE to those with Streptococcus pyogenes (SP). METHODS: A prospective study was conducted on acute pharyngitis associated with SDSE in children over a 2-year period. SDSE was identified using a phenotypic method, M protein gene (emm) analysis and matrix assisted laser desorption ionization-time of flight mass spectrometry. Patients with positive SDSE or SP cultures received cephalosporins for 5 days and were followed up. The emm genotyping and specific virulence genes analyses were performed. RESULTS: From 3416 throat cultures, 67 isolates (2.0%) were identified as SDSE and 515 (15.1%) were identified as SP. The mean age of patients with SDSE (8.3 years) was older than those with SP (6.6 years; P < 0.01). There was minimal seasonal variation in the isolation rates of SDSE. The febrile patients' rates, gender distribution, cervical lymph node adenopathy rates, hospitalization rates, eradication and failure rates and the nonsuppurative sequelae between patients with SDSE and SP were similar. All SDSE isolates possessed important virulence genes. The emm genotyping of SDSE showed high strain diversity. CONCLUSIONS: The incidence of acute pharyngitis associated with accurately identified SDSE was 2/15 of that with SP. Epidemiologic and clinical features of acute pharyngitis associated with SDSE are indistinguishable from those with SP, with the exception of age and seasonal variation. PMID- 29227466 TI - Morbidity and Mortality of a Cohort of Peruvian HIV-infected Children 2003-2012. AB - BACKGROUND: Data on pediatric HIV in Peru are limited. The National Institute of Child Health (Instituto Nacional de Salud del Nino: INSN) cares for the most HIV infected children under the age of 18 years in the country. We describe the outcomes of children seen at INSN's HIV clinic over the 10 years when antiretroviral therapy and prevention of mother-to-child transmission (PMTCT) interventions became available in 2004. METHODS: We conducted a retrospective review of INSN HIV clinic patients between 2003 and 2012. Deidentified data were collected and analyzed. RESULTS: A total of 280 children were included: 50.0% (140/280) were male; 80.0% (224/280) lived in metropolitan Lima. Perinatal transmission was the mode of HIV infection in 91.4% (256/280) of children. Only 17% (32/191) of mothers were known to be HIV-infected at delivery; of these mothers, 41% (13/32) were receiving antiretroviral therapy at delivery, 72% (23/32) delivered by Cesarean section and 47% (15/32) of their infants received antiretroviral prophylaxis. Median age at HIV diagnosis for all children was 35.7 months (interquartile range 14.5-76.8 months), and 67% (143/213) had advanced disease (clinical stage C). After HIV diagnosis, the most frequent hospitalization discharge diagnoses were bacterial pneumonia, chronic malnutrition, diarrhea, anemia and tuberculosis. Twenty-four patients (8.6%) died at a median age of 77.4 months. CONCLUSIONS: Most cases of pediatric HIV were acquired via perinatal transmission; few mothers were diagnosed before delivery; and among mothers with known HIV status, PMTCT was suboptimal even after national PMTCT policy was implemented. Most children were diagnosed with advanced disease. These findings underscore the need for improving early pediatric HIV diagnosis and treatment, as well as PMTCT strategies. PMID- 29227467 TI - Evidence for Rise in Meningococcal Serogroup C Bactericidal Antibody Titers in the Absence of Booster Vaccination in Previously Vaccinated Children. AB - BACKGROUND: The introduction of meningococcal serogroup C (MenC) conjugate vaccines in the United Kingdom and Australia led to an impressive decline in the incidence of invasive disease. This study examined bactericidal antibody titers over time in the UK and Australian children who received a MenC conjugate vaccine in early childhood to test the hypothesis that ongoing boosting of immunity in the absence of further doses of vaccine in some children may contribute to ongoing protection from disease. METHODS: Serum bactericidal assay using rabbit complement (rSBA) titers at each follow-up visit were compared with all preceding visits to identify any >=4-fold rise in titers. The proportion of children with a >=4-fold rise in rSBA titers in paired sera at any visit-to-visit comparison was calculated. RESULTS: Of 392 children with at least one set of paired sera in the Australian cohort, 72 (18.4%) had a >=4-fold increase in rSBA titers at least one year after vaccination, including six children (1.5%) who showed evidence of boosting twice. Of 234 children with at least one set of paired sera in the UK cohort, 39 (16.7%) had a >=4-fold rise in rSBA titers at least one year after vaccination including 2 children (0.9%) with evidence of boosting twice. CONCLUSIONS: A substantial minority of children immunized with MenC conjugate vaccine in early childhood had a rise in bactericidal antibody titers in the years after immunization in the absence of booster vaccination. This occurs most commonly at around 6-7 years of age corresponding to school entry and greater social mixing and might indicate exposure to MenC carriage. PMID- 29227468 TI - Metagenomic binning and association of plasmids with bacterial host genomes using DNA methylation. AB - Shotgun metagenomics methods enable characterization of microbial communities in human microbiome and environmental samples. Assembly of metagenome sequences does not output whole genomes, so computational binning methods have been developed to cluster sequences into genome 'bins'. These methods exploit sequence composition, species abundance, or chromosome organization but cannot fully distinguish closely related species and strains. We present a binning method that incorporates bacterial DNA methylation signatures, which are detected using single-molecule real-time sequencing. Our method takes advantage of these endogenous epigenetic barcodes to resolve individual reads and assembled contigs into species- and strain-level bins. We validate our method using synthetic and real microbiome sequences. In addition to genome binning, we show that our method links plasmids and other mobile genetic elements to their host species in a real microbiome sample. Incorporation of DNA methylation information into shotgun metagenomics analyses will complement existing methods to enable more accurate sequence binning. PMID- 29227469 TI - Integrative single-cell analysis of transcriptional and epigenetic states in the human adult brain. AB - Detailed characterization of the cell types in the human brain requires scalable experimental approaches to examine multiple aspects of the molecular state of individual cells, as well as computational integration of the data to produce unified cell-state annotations. Here we report improved high-throughput methods for single-nucleus droplet-based sequencing (snDrop-seq) and single-cell transposome hypersensitive site sequencing (scTHS-seq). We used each method to acquire nuclear transcriptomic and DNA accessibility maps for >60,000 single cells from human adult visual cortex, frontal cortex, and cerebellum. Integration of these data revealed regulatory elements and transcription factors that underlie cell-type distinctions, providing a basis for the study of complex processes in the brain, such as genetic programs that coordinate adult remyelination. We also mapped disease-associated risk variants to specific cellular populations, which provided insights into normal and pathogenic cellular processes in the human brain. This integrative multi-omics approach permits more detailed single-cell interrogation of complex organs and tissues. PMID- 29227470 TI - Multiplexed droplet single-cell RNA-sequencing using natural genetic variation. AB - Droplet single-cell RNA-sequencing (dscRNA-seq) has enabled rapid, massively parallel profiling of transcriptomes. However, assessing differential expression across multiple individuals has been hampered by inefficient sample processing and technical batch effects. Here we describe a computational tool, demuxlet, that harnesses natural genetic variation to determine the sample identity of each droplet containing a single cell (singlet) and detect droplets containing two cells (doublets). These capabilities enable multiplexed dscRNA-seq experiments in which cells from unrelated individuals are pooled and captured at higher throughput than in standard workflows. Using simulated data, we show that 50 single-nucleotide polymorphisms (SNPs) per cell are sufficient to assign 97% of singlets and identify 92% of doublets in pools of up to 64 individuals. Given genotyping data for each of eight pooled samples, demuxlet correctly recovers the sample identity of >99% of singlets and identifies doublets at rates consistent with previous estimates. We apply demuxlet to assess cell-type-specific changes in gene expression in 8 pooled lupus patient samples treated with interferon (IFN)-beta and perform eQTL analysis on 23 pooled samples. PMID- 29227471 TI - Inhibiting mitochondrial phosphate transport as an unexploited antifungal strategy. AB - The development of effective antifungal therapeutics remains a formidable challenge because of the close evolutionary relationship between humans and fungi. Mitochondrial function may present an exploitable vulnerability because of its differential utilization in fungi and its pivotal roles in fungal morphogenesis, virulence, and drug resistance already demonstrated by others. We now report mechanistic characterization of ML316, a thiohydantoin that kills drug resistant Candida species at nanomolar concentrations through fungal-selective inhibition of the mitochondrial phosphate carrier Mir1. Using genetic, biochemical, and metabolomic approaches, we established ML316 as the first Mir1 inhibitor. Inhibition of Mir1 by ML316 in respiring yeast diminished mitochondrial oxygen consumption, resulting in an unusual metabolic catastrophe marked by citrate accumulation and death. In a mouse model of azole-resistant oropharyngeal candidiasis, ML316 reduced fungal burden and enhanced azole activity. Targeting Mir1 could provide a new, much-needed therapeutic strategy to address the rapidly rising burden of drug-resistant fungal infection. PMID- 29227472 TI - Engineered synthetic scaffolds for organizing proteins within the bacterial cytoplasm. AB - We have developed a system for producing a supramolecular scaffold that permeates the entire Escherichia coli cytoplasm. This cytoscaffold is constructed from a three-component system comprising a bacterial microcompartment shell protein and two complementary de novo coiled-coil peptides. We show that other proteins can be targeted to this intracellular filamentous arrangement. Specifically, the enzymes pyruvate decarboxylase and alcohol dehydrogenase have been directed to the filaments, leading to enhanced ethanol production in these engineered bacterial cells compared to those that do not produce the scaffold. This is consistent with improved metabolic efficiency through enzyme colocation. Finally, the shell-protein scaffold can be directed to the inner membrane of the cell, demonstrating how synthetic cellular organization can be coupled with spatial optimization through in-cell protein design. The cytoscaffold has potential in the development of next-generation cell factories, wherein it could be used to organize enzyme pathways and metabolite transporters to enhance metabolic flux. PMID- 29227473 TI - Structure-inspired design of beta-arrestin-biased ligands for aminergic GPCRs. AB - Development of biased ligands targeting G protein-coupled receptors (GPCRs) is a promising approach for current drug discovery. Although structure-based drug design of biased agonists remains challenging even with an abundance of GPCR crystal structures, we present an approach for translating GPCR structural data into beta-arrestin-biased ligands for aminergic GPCRs. We identified specific amino acid-ligand contacts at transmembrane helix 5 (TM5) and extracellular loop 2 (EL2) responsible for Gi/o and beta-arrestin signaling, respectively, and targeted those residues to develop biased ligands. For these ligands, we found that bias is conserved at other aminergic GPCRs that retain similar residues at TM5 and EL2. Our approach provides a template for generating arrestin-biased ligands by modifying predicted ligand interactions that block TM5 interactions and promote EL2 interactions. This strategy may facilitate the structure-guided design of arrestin-biased ligands at other GPCRs, including polypharmacological biased ligands. PMID- 29227474 TI - A proteolytic fragment of histone deacetylase 4 protects the heart from failure by regulating the hexosamine biosynthetic pathway. AB - The stress-responsive epigenetic repressor histone deacetylase 4 (HDAC4) regulates cardiac gene expression. Here we show that the levels of an N-terminal proteolytically derived fragment of HDAC4, termed HDAC4-NT, are lower in failing mouse hearts than in healthy control hearts. Virus-mediated transfer of the portion of the Hdac4 gene encoding HDAC4-NT into the mouse myocardium protected the heart from remodeling and failure; this was associated with decreased expression of Nr4a1, which encodes a nuclear orphan receptor, and decreased NR4A1 dependent activation of the hexosamine biosynthetic pathway (HBP). Conversely, exercise enhanced HDAC4-NT levels, and mice with a cardiomyocyte-specific deletion of Hdac4 show reduced exercise capacity, which was characterized by cardiac fatigue and increased expression of Nr4a1. Mechanistically, we found that NR4A1 negatively regulated contractile function in a manner that depended on the HBP and the calcium sensor STIM1. Our work describes a new regulatory axis in which epigenetic regulation of a metabolic pathway affects calcium handling. Activation of this axis during intermittent physiological stress promotes cardiac function, whereas its impairment in sustained pathological cardiac stress leads to heart failure. PMID- 29227475 TI - An ALOX12-12-HETE-GPR31 signaling axis is a key mediator of hepatic ischemia reperfusion injury. AB - Hepatic ischemia-reperfusion (IR) injury is a common clinical issue lacking effective therapy and validated pharmacological targets. Here, using integrative 'omics' analysis, we identified an arachidonate 12-lipoxygenase (ALOX12)-12 hydroxyeicosatetraenoic acid (12-HETE)-G-protein-coupled receptor 31 (GPR31) signaling axis as a key determinant of the hepatic IR process. We found that ALOX12 was markedly upregulated in hepatocytes during ischemia to promote 12-HETE accumulation and that 12-HETE then directly binds to GPR31, triggering an inflammatory response that exacerbates liver damage. Notably, blocking 12-HETE production inhibits IR-induced liver dysfunction, inflammation and cell death in mice and pigs. Furthermore, we established a nonhuman primate hepatic IR model that closely recapitulates clinical liver dysfunction following liver resection. Most strikingly, blocking 12-HETE accumulation effectively attenuated all pathologies of hepatic IR in this model. Collectively, this study has revealed previously uncharacterized metabolic reprogramming involving an ALOX12-12-HETE GPR31 axis that functionally determines hepatic IR procession. We have also provided proof of concept that blocking 12-HETE production is a promising strategy for preventing and treating IR-induced liver damage. PMID- 29227478 TI - A potentiometric immunosensor for enterovirus 71 based on bis-MPA-COOH dendrimer doped AgCl nanospheres with a silver ion-selective electrode. AB - Herein a new potentiometric immunoassay for the point-of-care detection of enterovirus 71 (EV71) was developed by using a silver (Ag+) ion-selective electrode (ISE). Initially, the carboxylated dendrimer-doped AgCl nanospheres were synthesized by the reverse micelle method. Then the synthesized nanospheres were used to label a polyclonal mouse anti-EV71 antibody via a typical carbodiimide coupling method. The immunoreaction was executed on a monoclonal anti-EV71 antibody-coated microplate by using biofunctional AgCl nanospheres as the detection antibody. With a sandwich-type immunoassay format, the carried AgCl nanospheres could be dissolved in the presence of NH3.H2O, and the released silver ions were determined with an external silver ion-selective electrode. Under optimal conditions, the shift in the potential increased with the increase in the EV71 concentration, in a wide linear range of 0.3-300 ng mL-1, with a detection limit of 0.058 ng mL-1. Intra- and inter-assay relative standard deviations with identical batches were less than 4.15% and 6.15%, respectively. By validating the spiked serum samples, our system shows consistency with the enzyme-linked immunosorbent assay (ELISA) kit. PMID- 29227479 TI - Multiscale virtual particle based elastic network model (MVP-ENM) for normal mode analysis of large-sized biomolecules. AB - In this paper, a multiscale virtual particle based elastic network model (MVP ENM) is proposed for the normal mode analysis of large-sized biomolecules. The multiscale virtual particle (MVP) model is proposed for the discretization of biomolecular density data. With this model, large-sized biomolecular structures can be coarse-grained into virtual particles such that a balance between model accuracy and computational cost can be achieved. An elastic network is constructed by assuming "connections" between virtual particles. The connection is described by a special harmonic potential function, which considers the influence from both the mass distributions and distance relations of the virtual particles. Two independent models, i.e., the multiscale virtual particle based Gaussian network model (MVP-GNM) and the multiscale virtual particle based anisotropic network model (MVP-ANM), are proposed. It has been found that in the Debye-Waller factor (B-factor) prediction, the results from our MVP-GNM with a high resolution are as good as the ones from GNM. Even with low resolutions, our MVP-GNM can still capture the global behavior of the B-factor very well with mismatches predominantly from the regions with large B-factor values. Further, it has been demonstrated that the low-frequency eigenmodes from our MVP-ANM are highly consistent with the ones from ANM even with very low resolutions and a coarse grid. Finally, the great advantage of MVP-ANM model for large-sized biomolecules has been demonstrated by using two poliovirus virus structures. The paper ends with a conclusion. PMID- 29227476 TI - The molecular landscape of pediatric acute myeloid leukemia reveals recurrent structural alterations and age-specific mutational interactions. AB - We present the molecular landscape of pediatric acute myeloid leukemia (AML) and characterize nearly 1,000 participants in Children's Oncology Group (COG) AML trials. The COG-National Cancer Institute (NCI) TARGET AML initiative assessed cases by whole-genome, targeted DNA, mRNA and microRNA sequencing and CpG methylation profiling. Validated DNA variants corresponded to diverse, infrequent mutations, with fewer than 40 genes mutated in >2% of cases. In contrast, somatic structural variants, including new gene fusions and focal deletions of MBNL1, ZEB2 and ELF1, were disproportionately prevalent in young individuals as compared to adults. Conversely, mutations in DNMT3A and TP53, which were common in adults, were conspicuously absent from virtually all pediatric cases. New mutations in GATA2, FLT3 and CBL and recurrent mutations in MYC-ITD, NRAS, KRAS and WT1 were frequent in pediatric AML. Deletions, mutations and promoter DNA hypermethylation convergently impacted Wnt signaling, Polycomb repression, innate immune cell interactions and a cluster of zinc finger-encoding genes associated with KMT2A rearrangements. These results highlight the need for and facilitate the development of age-tailored targeted therapies for the treatment of pediatric AML. PMID- 29227480 TI - Elaborately programmed nanowires fabricated using a tapered push-pull nozzle system. AB - Elaborately programmed silver nanowire arrays can be prepared using a tapered push-pull nozzle system (TPPNS), which is used to directly write micro-nano wires on a substrate via a two-reagent reaction in the diffusion mixing region. The wires could be precisely positioned on the substrate and their width could be freely controlled from the micro to the nano scale, indicating an advance in the methodologies of controlling and fabricating nanowires. The as-prepared silver three-electrode device can serve as a three-electrode sensor. PMID- 29227477 TI - The deubiquitinating enzyme TNFAIP3 mediates inactivation of hepatic ASK1 and ameliorates nonalcoholic steatohepatitis. AB - Activation of apoptosis signal-regulating kinase 1 (ASK1) in hepatocytes is a key process in the progression of nonalcoholic steatohepatitis (NASH) and a promising target for treatment of the condition. However, the mechanism underlying ASK1 activation is still unclear, and thus the endogenous regulators of this kinase remain open to be exploited as potential therapeutic targets. In screening for proteins that interact with ASK1 in the context of NASH, we identified the deubiquitinase tumor necrosis factor alpha-induced protein 3 (TNFAIP3) as a key endogenous suppressor of ASK1 activation, and we found that TNFAIP3 directly interacts with and deubiquitinates ASK1 in hepatocytes. Hepatocyte-specific ablation of Tnfaip3 exacerbated nonalcoholic fatty liver disease- and NASH related phenotypes in mice, including glucose metabolism disorders, lipid accumulation and enhanced inflammation, in an ASK1-dependent manner. In contrast, transgenic or adeno-associated virus-mediated TNFAIP3 gene delivery in the liver in both mouse and nonhuman primate models of NASH substantially blocked the onset and progression of the disease. These results implicate TNFAIP3 as a functionally important endogenous suppressor of ASK1 hyperactivation in the pathogenesis of NASH and identify it as a potential new molecular target for NASH therapy. PMID- 29227481 TI - Nafion particles doped with methyl viologen: electrochemistry. AB - Nafion sub-micro particles doped with methyl viologen (MV2+) are synthesized using the re-precipitation method and characterized by scanning electron microscopy and UV-Vis spectroscopy. The electrochemical behavior of MV2+ incorporated into Nafion particles was investigated at both the ensemble and single particle levels. The charge transferred to single MV-Nafion particles was observed using the nano-impact method and shown to be quantitative. Finally, the charge transferred via individual MV-Nafion particle was substantially enhanced in the presence of permanganate. The mechanism of the catalytic nano-impact reaction of mediated permanganate reduction by single MV-Nafion particle is revealed as proceeding via MV+ reduced from MV2+ incorporated in Nafion particles through one electron transfer followed by the reduction of permanganate. PMID- 29227482 TI - Direct characterization of graphene doping state by in situ photoemission spectroscopy with Ar gas cluster ion beam sputtering. AB - On the basis of an in situ photoemission spectroscopy (PES) system, we propose a novel, direct diagnosis method for the characterization of graphene (Gr) doping states at organic semiconductor (OSC)/electrode interfaces. Our in situ PES system enables ultraviolet/X-ray photoelectron spectroscopy (UPS/XPS) measurements during the OSC growth or removal process. We directly deposit C60 films on three different p-type dopants-gold chloride (AuCl3), (trifluoromethyl sulfonyl)imide (TFSI), and nitric acid (HNO3). We periodically characterize the chemical/electronic state changes of the C60/Gr structures during their aging processes under ambient conditions. Depositing the OSC on the p-type doped Gr also prevents severe degradation of the electrical properties, with almost negligible transition over one month, while the p-type doped Gr without an OSC changes a lot following one month of aging. Our results indicate that the chemical/electronic structures of the Gr layer are completely reflected in the energy level alignments at the C60/Gr interfaces. Therefore, we strongly believe that the variation of energy level alignments at the OSC/graphene interface is a key standard for determining the doping state of graphene after a certain period of aging. PMID- 29227485 TI - Solid-liquid equilibria for a pyrrolidinium-based common-cation ternary ionic liquid system, and for a pyridinium-based ternary reciprocal ionic liquid system: an experimental study and a thermodynamic model. AB - The present paper describes an experimental study and a thermodynamic model for the phase diagrams of the common-cation ternary system [C4MPyrr]Cl-[C4MPyrr]Br [C4MPyrr]BF4 (where [C4MPyrr] refers to 1-butyl-1-methyl-pyrrolidinium) and of the ternary reciprocal system [C2Py], [C4Py]||Cl, Br (where [CnPy] refers to 1 alkyl-pyridinium). Phase equilibria were measured by Differential Scanning Calorimetry (DSC) for two isoplethal sections in the common-cation pyrrolidinium based ternary system. Phase diagram measurements were recently performed for the four common-ion binary subsystems and the two diagonal sections in the pyridinium based ternary reciprocal system. In each case, the Modified Quasichemical Model was used to model the liquid solution, and the Compound Energy Formalism was used for the relevant solid solutions. For the ternary reciprocal system, the missing thermodynamic properties of the pure compounds were assessed using the Volume based Thermodynamics (VBT) from Glasser and Jenkins, making it possible to estimate the exchange Gibbs free energy for the reaction [C2Py]Br (liquid) + [C4Py]Cl (liquid) = [C2Py]Cl (liquid) + [C4Py]Br (liquid). The experimental diagonal sections [C4Py]Br-[C2Py]Cl and [C4Py]Cl-[C2Py]Br were satisfactorily reproduced using solely the optimized model parameters for the four common-ion binary subsystems. PMID- 29227487 TI - Hairpin loop-enhanced fluorescent copper nanoclusters and application in S1 nuclease detection. AB - Novel highly fluorescent copper nanoclusters (CuNCs) were prepared by using 24 adenine-thymine pair dsDNA (AT24) with six-base (X6) loops (AT24-X6-hairpin DNA) as an effective template. The AT24 double strand stem serves as a template for CuNC formation, and the six-base sequence loop acts as specific regions to enhance the fluorescence intensity of CuNCs. Relative to the AT24-CuNCs, AT24-X6 hairpin CuNCs have greater fluorescence (5 times enhancement). What's more, the influence of the hairpin loop with different base types and base numbers on the fluorescence of CuNCs was first proposed and investigated. By choosing an AT24 double strand stem, any types of base loops can enhance the fluorescence of CuNCs. However, the fluorescence enhancement would be reduced with an increasing number of hairpin loop sequences. Besides this, the successful detection of S1 nuclease demonstrates its potential to be a new and robust fluorescent probe for sensing applications. PMID- 29227488 TI - Physico-chemical profiles of the wobble <-> Watson-Crick G*.2AP(w) <-> G.2AP(WC) and A.2AP(w) <-> A*.2AP(WC) tautomerisations: a QM/QTAIM comprehensive survey. AB - This study is intended to clarify in detail the tautomeric transformations of the wobble (w) G*.2AP(w) and A.2AP(w) nucleobase mispairs involving 2-aminopurine (2AP) into the Watson-Crick (WC) G.2AP(WC) and A*.2AP(WC) base mispairs (asterisks denote mutagenic tautomers of the DNA bases), respectively, by quantum mechanical methods and Bader's Quantum Theory of Atoms in Molecules. Our previously reported methodology has been used, which allows the evolution of the physico-chemical parameters to be tracked along the entire internal reaction coordinate (IRC), not exclusively in the stationary states of these reactions. These biologically important G*.2AP(w) <-> G.2AP(WC) and A.2AP(w) <-> A*.2AP(WC) w <-> WC tautomerisations, which are involved in mutagenic tautomerically conformational pathways, determine the origin of the transitions and transversions induced by 2AP. In addition, it is established that they proceed through planar, highly stable, zwitterionic transition states and they exhibit similar physico-chemical profiles and stages of sequential intrapair proton transfer, followed by spatial rearrangement of the nucleobases relative to each other within the base pairs. These w <-> WC tautomerisations occur non dissociatively and are accompanied by a significant alteration in geometry (from wobble to Watson-Crick and vice versa) and redistribution of the specific intermolecular interactions, which can be divided into 10 patterns including AHB H-bonds and loosened A-H-B covalent bridges along the IRC of tautomerisation. Based on the redistribution of the geometrical and electron-topological parameters of the intrapair hydrogen bonds, exactly 9 key points have been allocated to characterize the evolution of these reactions. PMID- 29227489 TI - Synergism and aggregation behaviour in an aqueous binary mixture of cationic zwitterionic surfactants: physico-chemical characterization with molecular simulation approach. AB - Aqueous interactions between a cationic surfactant benzyl dimethylhexadecylammonium chloride (BDHAC) and alkyldimethylammoniopropane sulfonates (CnDAPS) based three zwitterionic surfactants n = 10, 12, and 14 (abbreviated as C10DAPS, C12DAPS and C14DAPS, respectively) were studied using tensiometry, and fluorescence spectrophotometry techniques. The critical micelle concentration degree of synergism and various other parameters such as interaction parameter (beta), activity coefficients (fm) and interfacial parameters such as surface pressure (piCMC), packing parameter (P), surface excess concentration (Gammamax), surface tension at CMC (gammaCMC), and minimum area per molecule (Amin) were evaluated using the Regular Solution Theory (RST) of mixed systems. The results indicate a strong dependency on the mixed system and their composition. For the quantitative prediction, the molecular architecture of the surfactants in mixed systems and their synergistic interactions were investigated by computational simulation using Spartan'14 V1.1.8. The structural optimization results obtained were found to be in good agreement with the estimations made using RST. The reduction in surface tension indicates a certain efficiency in mixed micelle formation owing to electrostatic attraction between the cationic and zwitterionic surfactants. In addition, the binary surfactant systems evaluated by Maeda's approach infer the mixed micelles are thermodynamically stable. The aggregation number (Nagg) appeared to be larger at the composition point where the efficiency of mixed micelle formation is greatest. The strength of the interaction between BDHAC and CnDAPS followed the order: C14DAPS > C12DAPS > C10DAPS indicating a greater synergism at 0.25 molar ratio of zwitterionic surfactants to cationic surfactants in the aqueous solution at 303.15 K. PMID- 29227490 TI - The role of PbI2 in CH3NH3PbI3 perovskite stability, solar cell parameters and device degradation. AB - We report a systematic investigation on the role of excess PbI2 content in CH3NH3PbI3 perovskite film properties, solar cell parameters and device storage stability. We used the CH3NH3I vapor assisted method for the preparation of PbI2 free CH3NH3PbI3 films under a N2 atmosphere. These pristine CH3NH3PbI3 films were annealed at 165 degrees C for different time intervals in a N2 atmosphere to generate additional PbI2 in these films. From XRD measurements, the excess of PbI2 was quantified. Detailed characterization using scanning electron microscopy, X-ray diffraction, UV-Visible and photoluminescence for continuous aging of CH3NH3PbI3 films under ambient condition (50% humidity) is carried out for understanding the influence of different PbI2 contents on degradation of the CH3NH3PbI3 films. We find that the rate of degradation of CH3NH3PbI3 is accelerated due to the amount of PbI2 present in the film. A comparison of solar cell parameters of devices prepared using CH3NH3PbI3 samples having different PbI2 contents reveals a strong influence on the current density-voltage hysteresis as well as storage stability. We demonstrate that CH3NH3PbI3 devices do not require any residual PbI2 for a high performance. Moreover, a small amount of excess PbI2, which improves the initial performance of the devices slightly, has undesirable effects on the CH3NH3PbI3 film stability as well as on device hysteresis and stability. PMID- 29227492 TI - Impact of complex surfaces on biomicrorheological measurements using optical tweezers. AB - The characterisation of physical properties in biologically relevant processes and the development of novel microfluidic devices for this purpose are experiencing a great resurgence at present. In many of measurements of this type where a probe in a fluid is used, the strong influence of the boundaries of the volume used is a serious problem. In these geometries the proximity of a probe to a wall can severely influence the measurement. However, although much knowledge has been gained about flat walls, to date, the effect of non-planar surfaces at microscopic scale on rotational motion of micro-objects has not been studied. Here we present for the first time both experimental measurements and numerical computations which aim to study the drag torque on optically trapped rotating particles moving near 3D-printed conical and cylindrical walls on-chip. These results are essential for quantifying how curved walls can effect the torque on particles, and thus enable accurate hydrodynamic simulations at the micron-scale. This opens the potential for new sensing approaches under more complex conditions, allowing both dynamic and microrheological studies of biological systems and lab-on-chip devices. PMID- 29227493 TI - Prophylactic role of vitamin K supplementation on vascular inflammation in type 2 diabetes by regulating the NF-kappaB/Nrf2 pathway via activating Gla proteins. AB - There is no previous study that has examined the relationship between circulating vitamin K1 (VK1) and vascular inflammation in type 2 diabetes (T2D). This study aims to examine the hypothesis that circulating VK1 deficiency may be associated with higher inflammation and insulin resistance in T2D patients and that VK1 supplementation regulates the NF-kappaB/Nrf2 pathway via activating VK-dependent Gla proteins and reduces vascular inflammation. The results showed that plasma VK1 levels were significantly lower and MCP-1, fasting glucose, HbA1c, and insulin resistance (HOMA-IR) were significantly higher in T2D patients compared to those in the controls. The lower levels of VK1 in T2D patients were significantly and inversely correlated with MCP-1 and HOMA-IR, which suggests that VK1 supplementation may reduce the vascular inflammation and insulin resistance in T2D. Using a high fat diet-fed T2D mice model this study further demonstrated that VK1 supplementation (1, 3, 5 MUg per kg BW, 8 weeks) dose dependently decreased the body weight gain, glucose intolerance, fasting glucose, glycated hemoglobin, HOMA-IR, and cytokine secretion (MCP-1 and IL-6) in T2D mice. Further cell culture studies showed that VK1 supplementation (1, 5, or 10 nM) decreased NF-kappaB phosphorylation and MCP-1 secretion and increased Nrf2 protein expression in high glucose (HG, 25 mM)-treated monocytes. Signal silencing studies with GGCX siRNA again depicted the role of VK-dependent Gla proteins in mediating the effect of VK1 on vascular inflammation in HG-treated cells. In conclusion, this study suggests that circulating VK1 has a positive effect in lowering vascular inflammation in T2D by regulating NF-kappaB/Nrf2 transcription factors via activating VK-dependent Gla proteins. PMID- 29227494 TI - The crucial role of a spacer material on the efficiency of charge transfer processes in organic donor-acceptor junction solar cells. AB - Organic photovoltaic donor-acceptor junction devices composed of pi-conjugated polymer electron donors (D) and fullerene electron acceptors (A) show greatly increased performance when a spacer material is inserted between the two layers (W. Y. Nie, G. Gupta, B. K. Crone, F. L. Liu, D. L. Smith, P. P. Ruden, C. Y. Kuo, H. Tsai, H. L. Wang, H. Li, S. Tretiak and A. D. Mohite, Adv. Sci., 2015, 2, 1500024.). For instance, experimental results reveal significant improvement of photocurrent when a terthiophene oligomer derivative is inserted in between pi conjugated poly(3-hexylthiophene-2,5-diyl) (P3HT) donor and C60 acceptor. These results indicate favorable charge separation dynamics, which is addressed by our present joint theoretical/experimental study establishing the beneficial alignment of electronic levels due to the specific morphology of the material. Namely, based on the experimental data we have constructed extended structural interface models containing C60 fullerenes and P3HT separated by aligned oligomer chains. Our time-dependent density functional theory (TD-DFT) calculations based on a long-range corrected functional, allowed us to address the energetics of essential electronic states and analyze them in terms of charge transfer (CT) character. Specifically, the simulations reveal the electronic spectra composed of a ladder of excited states evolving excitation toward spatial charge separation: an initial excitonic excitation at P3HT decomposes into charges by sequentially relaxing through bands of C60-centric, oligomer -> C60 and P3HT -> C60 CT states. Our modeling exposes a critical role of dielectric environment effects and electronic couplings in the self-assembled spacer oligomer layer on the energetics of critical CT states leading to a reduced back-electron transfer, preventing recombination losses, and thus rationalizes physical processes underpinning experimental observations. PMID- 29227495 TI - Fluorescence-activated droplet sorting of lipolytic microorganisms using a compact optical system. AB - Lipases are ubiquitous enzymes of great physiological significance that have been used extensively in multiple industries. Environmental microorganisms are a major source for the discovery of novel lipases with high catalytic efficiency and selectivity. However, current plate-based screening of lipase-producing strains is time consuming, labour intensive and inefficient. In this study, we developed an ultra-high throughput screening pipeline for lipase-producing strains based on fluorescence-activated droplet sorting (FADS) using a compact optical system that could be easily set up in an alignment-free manner. The pipeline includes droplet generation, droplet incubation, picoinjection of the fluorescence probe, and sorting of droplets with a throughput of 2 * 106 drops per h. We applied the pipeline to screen samples collected from different locations, including sediments from a hot spring in Tibet, soils from the Zoige wetland, contaminated soils from an abandoned oilfield, and a Chinese Daqu starter. In total, we obtained 47 lipase-producing bacterial strains belonging to seven genera, including Staphylococcus, Bacillus, Enterobacter, Serratia, Prolinoborus, Acinetobacter, and Leclercia. We believe that this FADS-based pipeline could be extended to screen various enzymes from the environment, and may find wide applications in breeding of industrial microorganisms. PMID- 29227496 TI - Pyrazole synthesis via a cascade Sonogashira coupling/cyclization of N-propargyl sulfonylhydrazones. AB - An efficient approach for the preparation of pyrazoles via a Pd(ii)/Cu(i) catalyzed Sonogashira coupling/cyclization of N-propargyl sulfonylhydrazones has been established. In this study, we firstly report the strategic use of a Sonogashira reaction to construct pyrazole rings in a one step operation. With a broad range of functional group tolerance, bioactive 3-CF3 pyrazoles can also be synthesized easily through this domino coupling/cyclization sequence. PMID- 29227498 TI - Elastic particle deformation in rectangular channel flow as a measure of particle stiffness. AB - In this study, we experimentally observed and characterized soft elastic particle deformation in confined flow in a microchannel with a rectangular cross-section. Hydrogel microparticles of pNIPAM were produced using two different concentrations of crosslinker. This resulted in particles with two different shear moduli of 13.3 +/- 5.5 Pa and 32.5 +/- 15.7 Pa and compressive moduli of 66 +/- 10 Pa and 79 +/- 15 Pa, respectively, as measured by capillary micromechanics. Under flow, the particle shapes transitioned from circular to egg, triangular, arrowhead, and ultimately parachute shaped with increasing shear rate. The shape changes were reversible, and deformed particles relaxed back to circular/spherical in the absence of flow. The thresholds for each shape transition were quantified using a non-dimensional radius of curvature at the tip, particle deformation, circularity, and the depth of the concave dimple at the trailing edge. Several of the observed shapes were distinct from those previously reported in the literature for vesicles and capsules; the elastic particles had a narrower leading tip and a lower circularity. Due to variations in the shear moduli between particles within a batch of particles, each flow rate corresponded to a small but finite range of capillary number (Ca) and resulted in a series of shapes. By arranging the images on a plot of Ca versus circularity, a direct correlation was developed between shape and Ca and thus between particle deformation and shear modulus. As the shape was very sensitive to differences in shear modulus, particle deformation in confined flow may allow for better differentiation of microparticle shear modulus than other methods. PMID- 29227497 TI - Dietary fruits and arthritis. AB - Arthritis is a global health concern affecting a significant proportion of the population and associated with reduced quality of life. Among the different forms of arthritis, osteoarthritis (OA) and rheumatoid arthritis (RA) are the most common and lacking a definite cure in the affected individuals. Fruits, such as berries and pomegranates are rich sources of a variety of dietary bioactive compounds, especially the polyphenolic flavonoids that have been associated with antioxidant, anti-inflammatory and analgesic effects. Emerging research demonstrates a protective role of fruits and their polyphenols in pre-clinical, clinical and epidemiological studies of OA and RA. In this context, commonly available fruits, such as blueberries, raspberries and strawberries, and pomegranates have shown promising results in reducing pain and inflammation in experimental models and in human clinical studies of arthritis. There is also some evidence on the role of specific fruit polyphenols, such as quercetin and citrus flavonoids in alleviating RA symptoms. These emerging data deserve further investigation in rigorous scientific studies to determine the mechanisms, dosing and selection of fruits and fruit extracts in arthritis management. PMID- 29227499 TI - Self-discriminating fluorescent hybrid nanocrystals: efficient and accurate tracking of translocation via oral delivery. AB - The in vivo fate of nanocrystals is a controversial topic, i.e. dissolving versus integral absorption through the intestinal membrane. This is due to the lack of functional strategies to identify integral nanocrystals. In this study, the in vivo fate of quercetin hybrid nanocrystals (QT-HNCs) via the oral route is explored by physically embedding an environment-responsive probe in the crystal lattices of quercetin. The specific property of the probe is the water-initiated aggregation-caused quenching (ACQ) ability, by which integral QT-HNCs can be self discriminated. Instead of dissolving instantly, QT-HNCs can be retained in the gastrointestinal tract for 12-16 h, and can then be absorbed and distributed into various organs with the liver as the primary terminal. The ileum provides better absorption than the jejunum. Cellular studies prove that both trans-epithelial and M cell-mediated routes are involved in the absorption of integral QT-HNCs, which may be impeded by the mucous layer. Moreover, the particle size affects the in vivo behavior and the ex vivo cellular interaction of QT-HNCs, with moderate size, such as 550 nm, being preferred. The results not only validate the idea of using ACQ fluorophores for bioimaging of integral nanocrystals but also support the intestinal absorption of nanocrystals. PMID- 29227500 TI - Enhanced topical delivery of dexamethasone by beta-cyclodextrin decorated thermoresponsive nanogels. AB - Highly hydrophilic, responsive nanogels are attractive as potential systems for the topical delivery of bioactives encapsulated in their three-dimensional polymeric scaffold. Yet, these drug carrier systems suffer from drawbacks for efficient delivery of hydrophobic drugs. Addressing this, beta-cyclodextrin (betaCD) could be successfully introduced into the drug carrier systems by exploiting its unique affinity toward dexamethasone (DXM) as well as its role as topical penetration enhancer. The properties of betaCD could be combined with those of thermoresponsive nanogels (tNGs) based on dendritic polyglycerol (dPG) as a crosslinker and linear thermoresponsive polyglycerol (tPG) inducing responsiveness to temperature changes. Electron paramagnetic resonance (EPR) studies localized the drug within the hydrophobic cavity of betaCD by differences in its mobility and environmental polarity. In fact, the fabricated carriers combining a particulate delivery system with a conventional penetration enhancer, resulted in an efficient delivery of DXM to the epidermis and the dermis of human skin ex vivo (enhancement compared to commercial DXM cream: ~2.5 fold in epidermis, ~30 fold in dermis). Furthermore, DXM encapsulated in betaCD tNGs applied to skin equivalents downregulated the expression of proinflammatory thymic stromal lymphopoietin (TSLP) and outperformed a commercially available DXM cream. PMID- 29227501 TI - Chondrogenic potential of macroporous biodegradable cryogels based on synthetic poly(alpha-amino acids). AB - In this study, the potential of highly porous hydrogels based on biodegradable synthetic poly(alpha-amino acids) to support proliferation and chondrogenesis of human dental pulp stem cells (hDPSCs) was investigated. Covalently crosslinked gels with permanent pores were formed under cryogenic conditions by free-radical copolymerization of poly[N5-(2-hydroxyethyl)-l-glutamine-stat-N5-(2-methacryloyl oxy-ethyl)-l-glutamine] (PHEG-MA) with 2-hydroxyethyl methacrylate (HEMA) and N propargyl methacrylamide (PrMAAm) as minor co-monomers. PrMAAm provided alkyne groups for modifying the gels with cell-supporting moieties (RGDS peptides) by the azide-alkyne "click"-reaction. Two types of gels with different compressive moduli were prepared. Each type was modified with two different concentrations of RGDS peptide. X-ray computed nanotomography (nanoCT) was used to visualize and analyze the 3D-structure of the cryogels. It was shown that modifying the PHEG-MA cryogels within the range of RGDS concentrations examined here had a positive effect on the proliferation of hDPSCs. Immunofluorescence staining for collagen type 2 and aggrecan proved that there was differentiation of hDPSCs into chondrocytes. PMID- 29227502 TI - Sensing in-plane nanomechanical surface and sub-surface properties of polymers: local shear stress as function of the indentation depth. AB - Dynamic force microscopy (DFM) is an excellent tool for the study of the compositional and nanomechanical properties of polymers that exploits the flexural eigenmodes of a cantilever comprising a sharp tip vibrating perpendicular to the sample surface. However, the in-plane nanomechanical properties of a specimen cannot be detected by this technique. Here, a bimodal approach was developed where flexural and torsional eigenmodes are driven simultaneously. The corresponding vibrational amplitude and phase shift of the vertical tip motion were utilized for topographical feedback and out-of-plane dissipative interaction acquisition, respectively, whereas the frequency shift and the drive amplitude of the lateral tip motion mapped the in-plane conservative and dissipative interactions of two heterogeneous polymers: an elastomeric polypropylene (ePP) and a polystyrene-block-polybutadiene diblock copolymer (SB). The shear stress at different sub-surface levels revealed an amorphous cover layer as well as a "slipping" plane on the ePP crystallites. The imaging of SB supported by dynamic force spectroscopy experiments showed that SB exhibits considerably different in- and out-of-plane nanomechanical properties at certain areas due to the complex polymer conformation of this diblock copolymer accompanied by inter- and intramolecular interactions that give rise to its viscoelastic behavior. PMID- 29227504 TI - X-ray crystal structure and doping mechanism of bimetallic nanocluster Au36 xCux(m-MBT)24 (x = 1-3). AB - A novel Au36-xCux(m-MBT)24 (x = 1-3, m-MBT = 3-methylbenzenethiolate) nanocluster has been prepared. According to the X-ray single crystal diffractometer, the structure of Au36-xCux(m-MBT)24 is similar to that of Au36(SPhtBu)24. The Au36 xCux(m-MBT)24 nanocluster contains a face-centered cubic (FCC) M28 core, which is protected by 4 M2S3 (M = Au/Cu) staple motifs and 12 bridging SR ligands. The Cu dopants could possibly occupy 14 sites (six in the sub-surface and eight in the staple motifs). Spectral monitoring indicates that the number of Cu dopants sequentially increased on increasing the amount of Cu precursors (relative to a Au control). Meanwhile, DFT calculations imply that the maximum doping number of Cu is 3, and doping occurs preferentially at the staple sites and sub-surface sites (instead of the centre of the core). Because the atomic orbital of the peripheral locations hardly contributes to the frontier molecular orbitals, the UV-vis of the AuCu alloy is almost the same as that of its homometallic Au counterpart. PMID- 29227505 TI - Neurobiology of Sexual Assault and Osteopathic Considerations for Trauma-Informed Care and Practice. AB - Sexual assault is a traumatic event with potentially devastating lifelong effects on physical and emotional health. Sexual assault is associated with gastrointestinal, neurologic, and reproductive symptoms, as well as obesity, diabetes, and chronic pain. With 1 in 3 women and 1 in 6 men experiencing some form of unwanted sexual violence in their lifetime, sexual assault is a significant public health problem that necessitates attention in the medical community. This review discusses relevant literature on the neurobiologic changes that occur as a consequence of sexual assault, such as how the brain responds during a traumatic experience and the impact of trauma on memory. Osteopathic considerations for trauma-informed care and practice and how all physicians can better serve patients with a history of sexual assault are also discussed. PMID- 29227507 TI - The Use of Capsular Tension Rings to Reduce Refractive Shift in Patients With Implantation of Trifocal Intraocular Lenses. AB - PURPOSE: To determine whether use of a capsular tension ring (CTR) can increase refractive stability in patients with implantation of two different trifocal intraocular lenses (IOLs). METHODS: A prospective, consecutive series of eyes underwent refractive lens exchange with implantation of two different trifocal IOL designs: FineVision Micro F (non-toric) and FineVision POD FT (toric) (PhysIOL, Liege, Belgium). Power calculation was determined using the Haigis formula. Refractive lens exchange surgery was performed according to the standard Memira protocol. Refractive results and stability were assessed at 2 weeks and 3 months postoperatively. RESULTS: Three hundred eighty-eight eyes were included in the analysis. Overall, 71% and 76% of MicroF eyes implanted with (n = 139) and without (n = 104) a CTR, respectively, had hyperopic shift; 9% of MicroF eyes with a CTR had a shift of greater than +0.50 to +0.75 or less diopters (D) and 4% had a shift of greater than +0.75 D. In MicroF eyes without a CTR, 12% and 3% of eyes experienced a refractive shift of greater than +0.50 to +0.75 D or less and greater than +0.75 D, respectively. In the POD FT group, 72% and 69% of eyes with (n = 81) and without (n = 64) a CTR, respectively, had hyperopic shift; 10% of POD FT eyes with a CTR had a change of greater than +0.50 to +0.75 D or less and 7% had a shift of greater than +0.75 D. In POD FT eyes without a CTR, 13% and 3% experienced a refractive shift of greater than +0.50 to +0.75 D or less and greater than +0.75 D, respectively. For the MicroF design, the best refractive stability was found in the CTR group and the poorest stability in the non-CTR group (P = .084). For the POD FT design, the best refractive stability was found in the non-CTR group and the poorest stability in the CTR group (P = .297). CONCLUSIONS: Up to 7% of eyes implanted with FineVision trifocal IOLs had a hyperopic shift of greater than +0.75 D approximately 2 weeks to 3 months postoperatively. Using a CTR in MicroF eyes had no statistically significant effect on refractive stability. Placing a CTR with POD FT IOLs appeared to reduce refractive stability, although not significantly. [J Refract Surg. 2017;33(12):802-806.]. PMID- 29227506 TI - Comparison of Methodologies Using Estimated or Measured Values of Total Corneal Astigmatism for Toric Intraocular Lens Power Calculation. AB - PURPOSE: To compare the prediction error in the calculation of toric intraocular lenses (IOLs) associated with methods that estimate the power of the posterior corneal surface (ie, Barrett toric calculator and Abulafia-Koch formula) with that of methods that consider real measures obtained using Scheimpflug imaging: a software that uses vectorial calculation (Panacea toric calculator: http://www.panaceaiolandtoriccalculator.com) and a ray tracing software (PhacoOptics, Aarhus Nord, Denmark). METHODS: In 107 eyes of 107 patients undergoing cataract surgery with toric IOL implantation (Acrysof IQ Toric; Alcon Laboratories, Inc., Fort Worth, TX), predicted residual astigmatism by each calculation method was compared with manifest refractive astigmatism. Prediction error in residual astigmatism was calculated using vector analysis. RESULTS: All calculation methods resulted in overcorrection of with-the-rule astigmatism and undercorrection of against-the-rule astigmatism. Both estimation methods resulted in lower mean and centroid astigmatic prediction errors, and a larger number of eyes within 0.50 diopters (D) of absolute prediction error than methods considering real measures (P < .001). Centroid prediction error (CPE) was 0.07 D at 172 degrees for the Barrett toric calculator and 0.13 D at 174 degrees for the Abulafia-Koch formula (combined with Holladay calculator). For methods using real posterior corneal surface measurements, CPE was 0.25 D at 173 degrees for the Panacea calculator and 0.29 D at 171 degrees for the ray tracing software. CONCLUSIONS: The Barrett toric calculator and Abulafia-Koch formula yielded the lowest astigmatic prediction errors. Directly evaluating total corneal power for toric IOL calculation was not superior to estimating it. [J Refract Surg. 2017;33(12):794-800.]. PMID- 29227508 TI - Laboratory Evaluation of the Influence of Decentration and Pupil Size on the Optical Performance of a Monofocal, Bifocal, and Trifocal Intraocular Lens. AB - PURPOSE: To assess the influence of decentration and aperture size on the optical quality of different intraocular lenses (IOLs) of the same material, body design, and refractive power using standardized optical bench testing. METHODS: Using an optical bench set-up, an aspheric monofocal (CT ASPHINA 409M; Carl Zeiss Meditec, Jena, Germany), an aspheric diffractive bifocal (AT LISA 809M; Carl Zeiss Meditec), and an aspheric diffractive trifocal (AT LISA 839M; Carl Zeiss Meditec) intraocular lens (IOL) were evaluated, each with the same distance power, body design, and material. Modulation transfer function (MTF) values were measured at spatial frequencies of 50 lp/mm and aperture sizes of 3 and 4.5 mm. Each IOL was measured while centered, then decentered by 0.25, 0.5, 0.75, and 1 mm. RESULTS: MTF values for the monofocal IOL at far focus with 3- and 4.5-mm aperture size were 0.80/0.80 with maximum reduction to 0.77/0.73 for 1-mm decentration, respectively. Centered IOL MTFs of the bifocal and trifocal IOLs were lower for the far focus at 0.46/0.41 and 0.39/0.26, with reduction at 1-mm decentration to 0.35/0.25 and 0.25/0.18, respectively. Values for near focus of the bifocal and trifocal IOLs reduced from 0.27/0.31 and 0.19/0.18 to 0.2/0.21 and 0.12/0.13, respectively. The trifocal intermediate focus MTF reduced from 0.15/0.10 to 0.12/0.08. MTF values of all three lenses decreased significantly under all conditions with decentration of 0.5 to 0.75 mm. CONCLUSIONS: Monofocal lenses were least negatively affected by decentration, with mean optical quality reduction of less than 10% for 1-mm decentration at physiological pupil sizes. For diffractive bifocal and trifocal lenses, optical quality at all distances was significantly reduced if decentration exceeded 0.75 mm, with intermediate focus showing the least reduction. [J Refract Surg. 2017;33(12):808-812.]. PMID- 29227509 TI - Long-term Follow-up of LASEK With Mitomycin C Performed to Correct Myopia in Thin Corneas. AB - PURPOSE: To evaluate the long-term outcomes of laser-assisted subepithelial keratomileusis (LASEK) with intraoperative use of mitomycin C (MMC) performed on thin corneas for the correction of myopia. METHODS: This retrospective cohort study included 100 eyes with a preoperative central corneal thickness (CCT) thinner than 500 MUm that underwent LASEK + MMC with at least 6 years of follow up. Stability of visual acuity and refraction and the efficacy, safety, and predictability at the examinations 3 months and the last annual postoperative visit were analyzed. RESULTS: Preoperative CCT was 482.9 +/- 14.7 MUm (range: 433 to 499 MUm). Mean preoperative spherical equivalent was -4.09 +/- 2.3 diopters (D). At the 3-month postoperative visit, mean CCT was 419.79 +/- 32.6 MUm. The residual spherical equivalent showed a statistically significant regression (P = .001) in the comparison between the 3-month and the last annual postoperative visit. The efficacy index showed a significant decrease (P = .01) and the safety index remained stable around 0.96. Six or more years after the surgery, 85 eyes (85%) were within +/-0.50 D and 94 eyes (94%) eyes were within +/-1.00 D of emmetropia. The topography did not show signs of secondary corneal ectasia in any eye. CONCLUSIONS: LASEK with intraoperative use of MMC seems to be safe, effective, and predictable to correct myopia in corneas thinner than 500 MUm and with normal preoperative topography, providing good visual and refractive outcomes with no topographic signs of corneal ectasia in a mean 6.5-year follow up. [J Refract Surg. 2017;33(12):813-819.]. PMID- 29227510 TI - Postoperative Corneal Asphericity in Low, Moderate, and High Myopic Eyes After Transepithelial PRK Using a New Pulse Allocation. AB - PURPOSE: To evaluate the postoperative asphericity in low, moderate, and high myopic eyes after combined transepithelial photorefractive keratectomy and SmartSurfACE treatment (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany). METHODS: In this retrospective case series, the outcomes of myopic SmartSurfACE were evaluated at 3 months postoperatively in 106 eyes and divided into low (less than -4.125 diopters [D]), moderate (-4.125 to -6.25 D), and high (more than 6.25 D) myopia groups. In all cases, standard examinations and preoperative and postoperative corneal topography (SCHWIND Sirius) were performed. The analysis comprised evaluating the change in asphericity versus planned correction, comparing expected and achieved postoperative asphericity for all eyes, and comparison of the three groups in terms of the preoperative and postoperatively expected and achieved asphericity. RESULTS At 3 months postoperatively, the low myopia group (n = 33) improved average negative asphericity (Q = -0.04 +/- 0.17 preoperative vs -0.19 +/- 0.20 postoperative, P < .05). The moderate myopia group (n = 35) maintained or slightly improved average negative asphericity (Q = -0.07 +/- 0.14 preoperative vs -0.05 +/- 0.24 postoperative, P = .35). For the high myopia group (n = 38), the eyes became more oblate compared to the preoperative status (Q = -0.09 +/- 0.15 preoperative vs 0.62 +/- 0.70 postoperative, P < .05). In terms of asphericity, the difference between the three groups was not statistically significant preoperatively (P > .10), but showed significant differences postoperatively (P < .007). The cohort's average preoperative corrected distance visual acuity was 0.01 +/- 0.04 logMAR (range: 0.0 to 0.18 logMAR) and uncorrected distance visual acuity was 0.03 +/- 0.08 logMAR (range: 0.12 to 0.40 logMAR) 3 months postoperatively. CONCLUSIONS: SmartSurfACE maintained or slightly improved preoperative corneal asphericity for low to moderate myopic corrections (up to -6.00 D). This may provide advantages in the quality of vision and the onset of presbyopic symptoms after laser refractive surgery in myopic patients. [J Refract Surg. 2017;33(12):820-826.]. PMID- 29227511 TI - Predictive Formula for Refraction of Autologous Lenticule Implantation for Hyperopia Correction. AB - PURPOSE: To create a formula to predict refractive correction of autologous lenticule implantation for correction of hyperopia (with myopia in one eye and hyperopia in the contralateral eye). METHODS: In this prospective study, 10 consecutive patients (20 eyes) who had myopia in one eye and hyperopia in the contralateral eye were included. The preoperative spherical equivalent was -3.31 +/- 1.73 diopters (D) for the myopic eyes and +4.46 +/- 1.97 D for the hyperopic eyes. For each patient, the myopic eye was treated with small incision lenticule extraction and the lenticule was subsequently implanted into the contralateral hyperopic eye. The average length of follow-up was 17 months. RESULTS: All of the operations were successful without complications. At the last visit, the efficacy index (postoperative uncorrected distance visual acuity/preoperative corrected distance visual acuity [CDVA]) of the hyperopic eyes was 0.94 +/- 0.35 and the safety index (postoperative CDVA/preoperative CDVA) was 1.36 +/- 0.38. No eyes lost any lines of visual acuity. Six of 10 (60%) of the implanted eyes were within +/-1.00 D of the intended refractive target. A predictive formula was derived: Lenticule implantation achieved correction (D) (LAC) = 1.224 Lenticule refractive power (D) (LRP) - 0.063 (R2 =0.92, P < .001). On corneal topography, there was a significant increase in the corneal anterior surface keratometry value postoperatively, whereas the posterior surface keratometry value remained stable (P > .05). CONCLUSIONS: Autologous lenticule implantation could provide a reliable method of correcting hyperopia. The refractive correction formula may require further verification and adjustment. [J Refract Surg. 2017;33(12):827 833.]. PMID- 29227512 TI - Efficacy and Safety Comparison Between Suberoylanilide Hydroxamic Acid and Mitomycin C in Reducing the Risk of Corneal Haze After PRK Treatment In Vivo. AB - PURPOSE: This study compared the efficacy and safety of suberoylanilide hydroxamic acid (SAHA) and mitomycin C (MMC) up to 4 months in the prevention of corneal haze induced by photorefractive keratectomy (PRK) in rabbits in vivo. METHODS: Corneal haze in rabbits was produced with -9.00 diopter PRK. A single application of SAHA (25 MUM) or MMC (0.02%) was applied topically immediately after PRK. Effects of the two drugs were analyzed by slit-lamp microscope, specular microscope, TUNEL assay, and immunofluorescence. RESULTS: Single topical adjunct use of SAHA (25 MUM) or MMC (0.02%) after PRK attenuated more than 95% corneal haze and myofibroblast formation (P < .001). SAHA did not reduce keratocyte density, cause keratocyte apoptosis, or increase immune cell infiltration compared to MMC (P < .01 or .001). Furthermore, SAHA dosing did not compromise corneal endothelial phenotype, density, or function in rabbit eyes, whereas MMC application did (P < .01 or .001). CONCLUSIONS: SAHA and MMC significantly decreased corneal haze after PRK in rabbits in vivo. SAHA exhibited significantly reduced short- and long-term damage to the corneal endothelium compared to MMC in rabbits. SAHA is an effective and potentially safer alternative to MMC for the prevention of corneal haze after PRK. Clinical trials are warranted. [J Refract Surg. 2017;33(12):834-839.]. PMID- 29227513 TI - In Vivo Early Corneal Biomechanical Changes After Corneal Cross-linking in Patients With Progressive Keratoconus. AB - PURPOSE: To report early corneal biomechanical changes after corneal cross linking (CXL) in patients with keratoconus. METHODS: Thirty-four eyes of 34 patients undergoing CXL for progressive keratoconus were included in this prospective clinical study. Dynamic corneal response (DCR) parameters obtained with the Corvis ST (OCULUS Optikgerate GmbH; Wetzlar, Germany) were assessed at baseline (day of CXL) and after 1 month of follow-up; conversely, corneal tomography with the Pentacam (OCULUS Optikgerate GmbH) was assessed at baseline and at 1, 3, and 6 months after CXL. RESULTS: At the last follow-up visit (123.7 +/- 69.6 days), all morphological parameters including steepest point (Kmax) and thinnest corneal thickness (ThCT) indicated stabilization of keratoconus (P > .05). Comparative analyses showed a rise of corneal stiffness demonstrated by a significant increase of Stiffness Parameter A1 (SP-A1) and Highest Concavity (SP HC) and a significant decrease of Inverse Concave Radius (1/R) and Deformation Amplitude Ratio (DA Ratio) (P < .05). There was a significant correlation between the preoperative keratoconus characteristics (Kmax, Belin/Ambrosio final D value [BAD-D], and ThCT) and the DCR parameters (P < .05). Kmax and BAD-D showed a significant positive correlation with DA Ratio, Deflection Amplitude (DefA), and 1/R and a significant negative correlation with SPA1 and SP-HC. ThCT showed a significant positive correlation with SP-A1 and SP-HC and a significant negative correlation with DA Ratio, DefA, and 1/R. CONCLUSIONS: This study suggests that the new DCR parameters of the Corvis ST are able to detect early changes in biomechanics following CXL and those that are measurable before corneal shape modifications take place. Based on these results, the authors suggest the use of these metrics to assess the early efficacy of cross-linking. [J Refract Surg. 2017;33(12):840-846.]. PMID- 29227514 TI - Management and Outcomes of Retained Lenticules and Lenticule Fragments Removal After Failed Primary SMILE: A Case Series. AB - PURPOSE: To describe the management of and report the outcomes following the removal of retained lenticules or lenticule fragments after a complicated small incision lenticule extraction (SMILE). METHODS: Three patients were referred for consultation due to intraoperative complications during SMILE. In case 1, the lenticule was torn during extraction and a central fragment was retained in the pocket. In case 2, the inferior part of the lenticule remained attached at the anterior plane and its detached, superior part was dislocated and folded at the inferior part of the pocket. In case 3, the lenticule was completely attached at the anterior plane. All cases underwent secondary surgery. The lenticule fragment was detached using the dissector's body and tip and was extracted using the advanced lenticule forceps. The retained lenticules were extracted after dissection of tissue bridges at the anterior plane and periphery. RESULTS: Postoperatively, all eyes showed improvement of visual acuity and topographic regularization of the anterior corneal curvature. Complete removal of lenticule remnants was accomplished in cases 1 and 2. In case 3, the photodisruption during primary SMILE was incomplete at a peripheral area next to the incision. A small peripheral fragment, corresponding to the described peripheral area, remained attached after the lenticule removal and was left in situ but did not have any impact on visual acuity and quality. CONCLUSIONS: Retained lenticules or lenticule fragments may induce irregular astigmatism and loss of visual acuity. Prompt removal restores visual acuity and induces the desired effect of the primary SMILE procedure. [J Refract Surg. 2017;33(12):848-853.]. PMID- 29227515 TI - A Novel Corneal Remodeling Technique for the Management of Keratoconus. AB - PURPOSE: To describe a novel technique to reshape the ectatic cornea by means of crescent keratectomy performed with an excimer laser using a mask. METHODS: A crescent-shaped perforation at the base of the mask allowed the laser ablation to be directed only to the intended region, shielding the remaining cornea. This technique was performed in 3 eyes of 3 patients with keratoconus grade 2 to 3. Arcs of 180 degrees and 360 degrees had been performed depending on the severity of the keratoconus. The edges of the crescent were closed by 10-0 nylon interrupted sutures. RESULTS: At 1 year postoperatively, all cases showed improvement in visual acuity, keratometry, and corneal topography. The treatment also reduced optical aberrations and shortened the anterior chamber depth. CONCLUSIONS: Although the preliminary results are promising, there is a need to standardize a nomogram of this technique for treating keratoconus. [J Refract Surg. 2017;33(12):854-856.]. PMID- 29227516 TI - Pediatric Ingestions and "Choosing Wisely". PMID- 29227517 TI - Intimate Partner Violence and Pediatric Practice. AB - Millions of parents, most of them mothers, are abused by an intimate partner each year in the United States. Intimate partner violence is all too common in homes with children; it's estimated that 15 million children are exposed each year. The short- and long-term impacts to child health and well-being are profound. Pediatric clinical practice represents an underutilized venue for assessment and intervention in the abuse of parents. This article summarizes the basic elements of an approach in practice. [Pediatr Ann. 2017;46(12):e438-e440.]. PMID- 29227518 TI - Pediatric Ingestions. PMID- 29227519 TI - Pediatric Poisoning by Ingestion: Developmental Overview and Synopsis of National Trends. AB - The American Association of Poison Control Centers' National Poison Data Surveillance System provides real-time toxico-surveillance and epidemiologic trends, and pediatric ingestions comprise most of those reports. The sequences in social and physical developmental milestones from young childhood to adolescence reveal the vulnerability of these age groups to a wide variety of potential poisonous ingestions. Most pediatric ingestions are exploratory. Some common agents associated with pediatric fatalities include disc batteries, laundry detergent "pods," opioid analgesics, acetaminophen, benzodiazepines, and amphetamines. The pediatric provider can be a valuable resource at all points throughout a child's life, offering anticipatory guidance to caregivers targeting developmental changes associated with poisonous ingestions. [Pediatr Ann. 2017;46(12):e443-e448.]. PMID- 29227520 TI - Pediatric Toxicology: Household Product Ingestions. AB - Nonpharmaceutical household products are the most common substances involved in exploratory ingestions in young children. Fortunately, most of these products are not toxic if ingested in small volumes. However, there are several household products that have the potential to cause significant toxicity and, rarely, fatalities in young children. Key products reviewed in this article include alcohols, button batteries, corrosive cleaning products, laundry detergent pods, hydrocarbons, and magnets. [Pediatr Ann. 2017;46(12):e449-e453.]. PMID- 29227521 TI - Pediatric Poisonings: The Risk of Over-the-Counter Pharmaceuticals. AB - Every week in the United States, 56% of children younger than age 18 years and 82% of adults take at least one medication. Nonprescription medications, including acetaminophen and ibuprofen, are among the most commonly used pharmaceuticals across all age groups. Use of nonprescription medications, traditionally available over-the-counter, has become ubiquitous. Unfortunately, with such abundant use there is an associated risk for therapeutic misuse, intentional misuse, and even abuse. [Pediatr Ann. 2017;46(12):e454-e458.]. PMID- 29227522 TI - Pediatric Pharmaceutical Ingestions. AB - Pharmaceutical ingestions comprise an important part of pediatric toxicology. Based on the 2015 Annual Report of the American Association of Poison Control Centers' National Poison Data System, coupled with recent epidemiology articles on the topic of pediatric toxicology, it is apparent that poison prevention education has not been completely successful in decreasing exposures to toxic drugs. From the unintentional ingestion in a toddler due to unsafe storage to the intentional adolescent ingestion for misuse and abuse, pharmaceutical medications continue to cause harm. Access to adult prescription drugs in the home accounted for most of the exposures in children age <=5 years as well as adolescents age 13 to 19 years. Ingestions resulting from more common pharmaceutical exposures are discussed with the hope of increasing awareness about the need for added vigilance. [Pediatr Ann. 2017;46(12):e459-e465.]. PMID- 29227523 TI - Childhood Ingestions of Environmental Toxins: What Are the Risks? AB - Infants and children are at higher risk than adolescents and adults for exposure to environmental toxins via ingestion for a number of reasons: their smaller size (and proportionately larger dose of ingested toxins), their closer proximity to the ground, dirt, and indoor dust, their boundless curiosity and oral exploratory behaviors, pica habits that may persist into school-age for children with autism or other developmental delays, their proportionately larger daily water and milk intake, and food preferences that differ markedly from adolescents and adults. Children depend on adults to protect them and keep their home environment safe. Pediatric care providers can integrate environmental health topics into their well-child care practices, offering guidance and resources to parents concerned with reducing the risks to their children posed by hazards in their homes, daycare centers, preschools, schools, and the other environments in which they spend time. [Pediatr Ann. 2017;46(12):e466-e471.]. PMID- 29227524 TI - Pediatric Scoliosis and Kyphosis: An Overview of Diagnosis, Management, and Surgical Treatment. AB - Evaluation of pediatric spinal deformity requires knowledge of special orthopaedic testing and radiographic interpretation. The determination of recommendations for treatment of spinal abnormalities in children can be challenging and at times complex, as treatment options are dependent upon a variety of factors. The etiology of scoliosis or kyphosis, presence or absence of vertebral anomalies, symptoms, magnitude of the curve, physiologic/skeletal age, and evidence of and risk of progression all require consideration and play a role in the shared decision-making process. This article provides an overview of relevant information and includes research outcomes to support the care of pediatric patients with spinal deformities. [Pediatr Ann. 2017;46(12):e472 e480.]. PMID- 29227525 TI - Functional electrical stimulation and ankle foot orthoses provide equivalent therapeutic effects on foot drop: A meta-analysis providing direction for future research. AB - OBJECTIVE: To compare the randomized controlled trial evidence for therapeutic effects on walking of functional electrical stimulation and ankle foot orthoses for foot drop caused by central nervous system conditions. DATA SOURCES: MEDLINE, CINAHL, Cochrane Central Register of Controlled Trials, REHABDATA, PEDro, NIHR Centre for Reviews and Dissemination, Scopus and clinicaltrials.gov. STUDY SELECTION: One reviewer screened titles/abstracts. Two independent reviewers then screened the full articles. DATA EXTRACTION: One reviewer extracted data, another screened for accuracy. Risk of bias was assessed by 2 independent reviewers using the Cochrane Risk of Bias Tool. DATA SYNTHESIS: Eight papers were eligible; 7 involving participants with stroke and 1 involving participants with cerebral palsy. Two papes reporting different measures from the same trial were grouped, resulting in 7 synthesized randomized controlled trials (n= 464). Meta-analysis of walking speed at final assessment (p = 0.46), for stroke participants (p = 0.54) and after 4-6 weeks' use (p = 0.49) showed equal improvement for both devices. CONCLUSION: Functional electrical stimulation and ankle foot orthoses have an equally positive therapeutic effect on walking speed in non-progressive central nervous system diagnoses. The current randomized controlled trial evidence base does not show whether this improvement translates into the user's own environment or reveal the mechanisms that achieve that change. Future studies should focus on measuring activity, muscle activity and gait kinematics. They should also report specific device details, capture sustained therapeutic effects and involve a variety of central nervous system diagnoses. PMID- 29227526 TI - Bioactive Peptides Derived from Seaweed Protein and Their Health Benefits: Antihypertensive, Antioxidant, and Antidiabetic Properties. AB - Cardiovascular diseases and diabetes are the biggest causes of death globally. Therefore, prevention of these diseases is a focus of pharmaceuticals and functional food manufacturers. This review summarizes recent research trends and scientific knowledge in seaweed protein-derived peptides with particular emphasis on production, isolation and potential health impacts in prevention of hypertension, diabetes and oxidative stress. The current status and future prospects of bioactive peptides are also discussed. Bioactive peptides have strong potential for use in therapeutic drug and functional food formulation in health management strategy, especially cardiovascular disease and diabetes. Seaweeds can be used as sustainable protein sources in the production of these peptide-based drugs and functional foods for preventing such diseases. Many studies have reported that peptides showing angiotensin converting enzyme inhibition, antihypertensive, antioxidative and antidiabetics activities, have been successfully isolated from seaweed. However, further research is needed in large-scale production of these peptides, efficient isolation methods, interactions with functional foods and other pharmaceuticals, and their ease to digestion in in vivo studies and safety to validate the health benefits of these peptides. PMID- 29227527 TI - M2 muscarinic receptor activation inhibits cell proliferation and migration of rat adipose-mesenchymal stem cells. AB - Mesenchymal stem cells (MSCs), also known as stromal mesenchymal stem cells, are multipotent cells, which can be found in many tissues and organs as bone marrow, adipose tissue and other tissues. In particular MSCs derived from Adipose tissue (ADSCs) are the most frequently used in regenerative medicine because they are easy to source, rapidly expandable in culture and excellent differentiation potential into adipocytes, chondrocytes, and other cell types. Acetylcholine (ACh), the most important neurotransmitter in Central nervous system (CNS) and peripheral nervous system (PNS), plays important roles also in non-neural tissue, but its functions in MSCs are still not investigated. Although MSCs express muscarinic receptor subtypes, their role is completely unknown. In the present work muscarinic cholinergic effects were characterized in rat ADSCs. Analysis by RT-PCR demonstrates that ADSCs express M1-M4 muscarinic receptor subtypes, whereas M2 is one of the most expressed subtype. For this reason, our attention was focused on M2 subtype. By using the selective M2 against Arecaidine Propargyl Ester (APE) we performed cell proliferation and migration assays demonstrating that APE causes cell growth and migration inhibition without affecting cell survival. Our results indicate that ACh via M2 receptors, may contribute to the maintaining of the ADSCs quiescent status. These data are the first evidence that ACh, via muscarinic receptors, might contribute to control ADSCs physiology. PMID- 29227528 TI - The Impact of Long-Term Intake of Phenolic Compounds-Rich Grape Pomace on Rat Gut Microbiota. AB - : The aim of this work is to evaluate the impact on the rat microbiota of long term feeding with phenolic compounds (PC) rich grape pomace extracts. Thirty, 2 mo-old rats, were divided into 5 groups. Four groups were treated with different concentrations of PC (2.5, 5, 10, and 20 mg/kg/d diluted in 0.1% DMSO), and 1 group received 0.1% Dimethyl Sulfoxide (DMSO) alone (control group). The daily treatment lasted 14 mo. Major phenolic compounds constituents were characterized by the high-performance liquid chromatography and free radical scavenging capacity was measured by means of the DPPH assay. Fecal samples from young rats (2-mo old), and rats daily fed with PC or DMSO were collected at 6 and 14 mo posttreatment. The gut microbiota composition was analyzed by quantitative polymerase chain reaction. Bifidobacterium was significantly higher in the groups PC 2.5 and PC 5 than in control and young rats. Lactobacillus decreased with time in all treated and untreated groups. Bacteroides, Clostridium leptum subgroup (Clostridium cluster IV), and Enterococcus were not significantly changed by PC at any concentration when compared to control; nevertheless, after 14 mo of treatment all concentrations of PC abolished the increase of Clostridium sensu stricto (cluster I) (Clostridium Cluster I) observed in the control group when compared to young rats. PC do modulate selectively rat gut microbiome to a healthier phenotype in long-term feeding rats, and could counteract the adverse outcomes of aging on gut bacterial population. PRACTICAL APPLICATION: This research shows that phenolic-rich grape pomace extracts exhibiting a high antioxidant activity, selectively modulate rat gut microbiota to a healthier phenotype within age in a long-term feeding rats. PMID- 29227529 TI - Role of IL-6-mediated expression of NS5ATP9 in autophagy of liver cancer cells. AB - This study aimed to investigate the relationship between interleukin-6 (IL-6) and NS5ATP9 in autophagy of liver cancer cells. Autophagy is one of the important regulators of the replication of hepatitis C virus and the survival of tumors. IL 6 is a multifunctional cytokine that plays an important role in autophagy and development of many kinds of tumors. However, the role of IL-6 in autophagy has not been fully explored. A previous study had shown that a novel gene, NS5ATP9, could modulate autophagy. The present study demonstrated that human IL-6 recombinant protein induced autophagy of HepG2 cells. Conversely, autophagy decreased after IL-6 was silenced or neutralized with monoclonal antibody against human IL-6. In addition, NS5ATP9 was upregulated by IL-6 via nuclear factor kappaB activation, as detected by Western blot. Further studies indicated that the induction of autophagy by IL-6 could be attenuated by silencing NS5ATP9. Interestingly, the expression of NS5ATP9, in turn, resulted in the upregulation of IL-6. In conclusion, IL-6 could induce autophagy by expressing NS5ATP9, while NS5ATP9 upregulated IL-6 levels in turn, which further induced autophagy. PMID- 29227530 TI - Systematic review and network meta-analysis of methods of mesh fixation during laparoscopic ventral hernia repair. AB - BACKGROUND: Ventral hernia repairs are common and have high recurrence rates. They are usually repaired laparoscopically with an intraperitoneal mesh, which can be fixed in various ways. The aim was to evaluate the recurrence rates for the different fixation techniques. METHODS: This systematic review included studies with human adults with a ventral hernia repaired with an intraperitoneal onlay mesh. The outcome was recurrence at least 6 months after operation. Cohort studies with 50 or more participants and all RCTs were included. PubMed, Embase and the Cochrane Library were searched on 22 September 2016. RCTs were assessed with the Cochrane risk-of-bias assessment tool and cohort studies with the Newcastle-Ottawa scale. Studies comparing fixation techniques were included in a network meta-analysis, which allowed comparison of more than two fixation techniques. RESULTS: Fifty-one studies with a total of 6553 participants were included. The overall crude recurrence rates with the various fixation techniques were: absorbable tacks, 17.5 per cent (2 treatment groups); absorbable tacks with sutures, 0.7 per cent (3); permanent tacks, 7.7 per cent (20); permanent tacks with sutures, 6.0 per cent (25); and sutures, 1.5 per cent (6). Six studies were included in a network meta-analysis, which favoured fixation with sutures. Although statistical significance was not achieved, there was a 93 per cent chance of sutures being better than one of the other methods. CONCLUSION: Both crude recurrence rates and the network meta-analysis favoured fixation with sutures during laparoscopic ventral hernia repair. PMID- 29227531 TI - Discovery of a novel six-long non-coding RNA signature predicting survival of colorectal cancer patients. AB - Colorectal cancer (CRC) is one of the most leading causes of cancer deaths worldwide. In the study, we aimed to identify key long non-coding RNAs (lncRNAs) significantly associated with prognosis of CRC and develop an expression-based lncRNA signature to provide survival risk prediction for CRC patients. LncRNA expression profiles and clinical information of CRC patients were collected from The Cancer Genome Atlas (TCGA) database. Six hundred and eighteen differentially expressed lncRNAs were identified between CRC and normal tissues. After univariate and multivariate Cox regression analysis for these differentially expressed lncRNAs and overall survival of CRC patients, six predictive lncRNAs (RP1-170O19.17, RP11-785D18.3, RP11-798K3.2, XXbac-B476C20.9, RP11-481J13.1, and RP11-167H9.4) were finally screened out to construct a six-lncRNA signature, based on which patients in the training dataset were divided into the high-risk and low-risk group with significantly different overall survival. ROC curve analysis demonstrated competitive performance of the six-lncRNA signature. The prognostic power of the six-lncRNA signature was successfully validated in the testing and entire dataset. Multivariate Cox regression analysis and stratification analysis further suggested that the six-lncRNA signature was independent of other conventional clinical variables for survival prediction in CRC patients. Functional enrichment analysis revealed the possible roles of these predictive lncRNAs in some cancer-related biological processes and pathways. Our study demonstrated the promising potential of the novel six-lncRNA signature as an independent biomarker for survival prediction of CRC patients. PMID- 29227532 TI - LncRNA XIST functions as a molecular sponge of miR-194-5p to regulate MAPK1 expression in hepatocellular carcinoma cell. AB - Increasing evidence highlights the important role of XIST, a long non-coding RNA (lncRNA), in the regulation of multiple cancers. However, the underlying mechanism of XIST in human hepatocellular carcinoma (HCC) still remains to be explored. Herein, intended to investigate the functional role of XIST in HCC initiation and progression. We first detected that XIST was significantly upregulated in HCC tissues and associated with tumor size and vascular invasion. Gain- and loss-of-function of XIST further presented that XIST promoted the progression of HCC cells, including proliferation, migration, and invasion. Moreover, silencing of XIST could inhibit tumor growth in vivo. We also found that XIST could target miR-194-5p and thus decrease miR-194-5p expression. Besides that, restoring XIST could reverse the inhibitory effect of miR-194-5p on the proliferation and invasion of HCC cells. We further elucidated such rescue role might through derepressing MAPK1 expression, the target of miR-194-5p. In brief, the above results elucidate the important role of XIST in HCC tumorigenesis, suggesting that XIST might be a candidate prognostic biomarker and a novel therapeutic target for treating HCC. PMID- 29227533 TI - Functional Magnetic Nanoparticles for Highly Efficient Cholesterol Removal. AB - In this study, magnetic nanoparticles functionalized with carboxylated beta cyclodextrin (CM-beta-CD; referred to Fe3 O4 @CM-beta-CD) were synthesized and used for the efficient removal of cholesterol from milk and egg yolk via host guest interactions. The results of Fourier-transform infrared, X-ray photoelectron spectroscopy, and thermogravimetric analysis indicated that the CM beta-CD was successfully conjugated to the surface of Fe3 O4 , and the amount of CM-beta-CD attached on Fe3 O4 @CM-beta-CD was determined to be 9.164%. The X-ray diffraction and transmission electron microscopy data revealed that the process of CM-beta-CD coating did not result in a phase change of the Fe3 O4 , and the Fe3 O4 @CM-beta-CD nanoparticles were determined to have an average size of about 15 nm. The results of isotherm adsorption and kinetic properties indicated that CM-beta-CD functionalization increased the cholesterol removal efficiency, and the characteristics of cholesterol adsorption on Fe3 O4 @CM-beta-CD were fitted well with the Langmuir adsorption model and Lagergren pseudo-1st-order kinetic models. Furthermore, compared with the Fe3 O4 nanoparticles, the functionalized Fe3 O4 @CM-beta-CD nanoparticles exhibited greater cholesterol removal efficiency, and saponification of the milk and egg yolk was found to be beneficial for the cholesterol removal; using the Fe3 O4 @CM-beta-CD nanoparticles, 98.8% and 94.6% of the cholesterol was extracted in 1 h from saponified milk and egg yolk, respectively, and the Fe3 O4 @CM-beta-CD nanoparticles still displayed efficient cholesterol removal after 6 reuses. PMID- 29227534 TI - Family functioning evaluated by family members of older patients and nurses in emergency departments. AB - The functioning of families in emergency departments (EDs) encompasses the level at which the families of older patients perform as a whole during the ED stay. Currently, little is known about how the families of older patients function in EDs. In this study, family functioning included the subareas of family strengths, structural factors and relationships both inside and outside the family. The study aimed to describe family functioning in EDs as evaluated by both the family members (n = 111) of older patients and nurses (n = 93). The data were collected from four Estonian hospitals, and the scale used was the Family Functioning, Health and Social Support scale. The results showed that both the family members and nurses evaluated family functioning and all its subareas as being moderate. Family structural factors were found to be associated with the family members' social status. The scores in the subareas were higher when older patients had received help from family members before the ED visit. The family members and nurses differed significantly in the scores they gave for family functioning in general and for all the subareas. No association was found between family functioning as rated by nurses and the families' demographic characteristics. These results suggest that nurses should pay more attention to family functioning in general and to the structural factors within the family, including internal relationships, while older patients are in the ED. Comprehensive knowledge about how families function during an ED stay may help nurses to better meet the needs of older patients and their families and help them to prepare families to provide aftercare at home. Our findings support the idea that healthcare organisation and delivery should be more family centred. PMID- 29227535 TI - Antidiabetic and Lipid-Lowering Effects of the Polyphenol Extracts from the Leaves of Clausena lansium (Lour.) Skeels on Streptozotocin-Induced Type 2 Diabetic Rats. AB - : Clausena lansium (Lour.) Skeels (Wampee) is widely grown in China and considered as a healthy fruit. Its leaves are also considered as traditional herbs. This study analyzed polyphenol compounds in polyphenol extracts of the leaves C. lansium (lour.) Skeels (PEL) and investigated the protective effect of PEL against hyperglycemia and hyperlipidemia in T2DM rats. The result showed that PEL is composed mainly of gallic acid, chlorogenic acid, coffee acid, ferulic acid, and rutin. PEL could obviously relieve some symptoms of T2DM rats, including emaciation, hyperhidrosis, polyphagia, diuresis, liver swelling, kidney, and pancreas hypertrophy, as well as reduce fasting blood glucose. Moreover, the supplementation of PEL significantly ameliorated lipids disorder and protected liver in T2DM rats, including fat accumulation, improvement of lipid distribution and hepatocyte protection. These results indicate that the Oral of PEL have potential effects of against hyperglycemia and hyperlipidemia in diabetic disorders. PRACTICAL APPLICATION: The leaves Clausena lansium (lour.) Skeels is rich in polyphenol and other ingredients. In this research, the preliminary study shows that PEL can reduce fasting blood glucose and improve lipids disorder in rats, which will bring to diabetic patients a way to improve the disease and enhance the quality of life. The PEL therefore can be used for the production of pharmaceutical raw materials and the design of novel functional foods by simple conversion. PMID- 29227536 TI - MicroRNA-222-3p associated with Helicobacter pylori targets HIPK2 to promote cell proliferation, invasion, and inhibits apoptosis in gastric cancer. AB - Gastric cancer ranks as the second leading cause of malignancy-related death worldwide, and always diagnosed at advanced stage. MicroRNA-222-3p (miR-222-3p) is aberrantly upregulated in various malignant tumors including gastric cancer, but its role and underlying molecular mechanisms in gastric cancer remain largely unknown. Helicobacter pylori (H. pylori) infection acts as a trigger in the development of gastric cancer, and increasing evidence suggests that H. pylori affects microRNA expression. In this study, gastric cancer tissue samples were divided into H. pylori positive group (+) and negative group (-). QRT-PCR showed that miR-222-3p was significantly upregulated in H. pylori (+) group compared with H. pylori (-) group, and luciferase reporter assays identified homeodomain interacting protein kinase 2 (HIPK2) as a novel target of miR-222-3p in gastric cancer. Immunohistochemistry revealed that HIPK2 levels were decreased in H. pylori (+) group compared with H. pylori (-). After that, functional experiments indicated that miR-222-3p overexpression promoted the proliferation and invasion, while inhibiting apoptosis of SGC7901 gastric cancer cells, but miR-222-3p knockdown exhibited the opposite effects. Also, HIPK2 knockdown induced similar effects as miR-222-3p overexpression in SGC7901 cells. Nude mouse experiments further suggested that HIPK2 overexpression signally attenuated the enhancing effect of miR-222-3p overexpression on cell proliferation, indicating that the effect of miR-222-3p on gastric cancer progression depends on HIPK2, at least in part. Overall, our results demonstrated that miR-222-3p/HIPK2 signal pathway regulated gastric cancer cell proliferation, apoptosis, and invasion, provided a novel therapeutic target for the treatment of gastric cancer infected by H. pylori. PMID- 29227537 TI - Retraction: Han, M., Nie, J., Li, Y., Zhu, Y. and Wu, G. (2018), NGAL gene silencing inhibits proliferation and promotes apoptosis of human gastric cancer cells: an in vivo and in vitro study. J. Cell. Biochem. Accepted Author Manuscript. doi:10.1002/jcb.26549. AB - The above article, published online on 11 December 2017 in Wiley Online Library (wileyonlinelibrary.com), has been withdrawn by agreement between the authors, the journal Editor in Chief, Gary Stein and Wiley Periodicals, Inc. The withdrawal has been agreed due to determination by the authors that the data concerning the GC cell lines presented in this publication needs further study and analysis. PMID- 29227538 TI - Abberent expression of NOR1 protein in tumor associated macrophages contributes to the development of DEN-induced hepatocellular carcinoma. AB - Hepatocellular carcinoma (HCC) is the most common primary tumor of the liver and the sixth most common lethal cancer worldwide. Recent evidences demonstrated that oxidored nitro domain containing protein 1 (NOR1), a putative tumor suppressor gene, is overexpressed in human HCC tissues. However, the role of NOR1 in HCC development remains unclear. Here, we described that NOR1 protein level is elevated in HCC and is associated with poorer clinical outcome. However, ecotopic overexpression of NOR1 protein in human HCC cell line HepG2 cells had no effect on cells proliferation, migration, and clonality. Immunofluoresence assay indicates NOR1 protein is mainly expressed at CD163 positive M2 tumor associated macrophages (TAMs). To explore the role of NOR1 in the development of HCC, we interrogated the susceptibility of mice lacking the NOR1 gene to DEN-induced hepatocarcinogenesis. NOR1 deficient mice displayed resistance to DEN-induced HCC. We also demonstrate that mNOR1 protein is enriched in F4/80 positive Kupffer cells (KCs) infiltrated in DEN induced murine HCC tissues. Loss of NOR1 led to increase of iNOS whereas decrease of Arg1, Ym1 expression in KCs. Overexpression of NOR1 in THP-1 macrophages led to decrease of iNOS but increase of Arg1. Mechanistic investigations showed that inflammatory cytokines IL-6, TNF-alpha production, and NF-kappaB activation were also decreased in NOR1 knockout mice exposed to DEN treatment. Our data suggested that NOR1 is overexpressed in HCC associated TAMs and promotes M2 alternative polarization. Genetic deletion of NOR1 in mice leads to impairment of IL-6 production and NF-kappaB activation, which in turn attenuates DEN-induced HCC development. PMID- 29227539 TI - Mir-29b promotes human aortic valve interstitial cell calcification via inhibiting TGF-beta3 through activation of wnt3/beta-catenin/Smad3 signaling. AB - Herein, we hypothesized that pro-osteogenic MicroRNAs (miRs) could play functional roles in the calcification of the aortic valve and aimed to explore the functional role of miR-29b in the osteoblastic differentiation of human aortic valve interstitial cells (hAVICs) and the underlying molecular mechanism. Osteoblastic differentiation of hAVICs isolated from human calcific aortic valve leaflets obtained intraoperatively was induced with an osteogenic medium. Alizarin red S staining was used to evaluate calcium deposition. The protein levels of osteogenic markers and other proteins were evaluated using western blotting and/or immunofluorescence while qRT-PCR was applied for miR and mRNA determination. Bioinformatics and luciferase reporter assay were used to identify the possible interaction between miR-29b and TGF-beta3. Calcium deposition and the number of calcification nodules were pointedly and progressively increased in hAVICs during osteogenic differentiation. The levels of osteogenic and calcification markers were equally increased, thus confirming the mineralization of hAVICs. The expression of miR-29b was significantly increased during osteoblastic differentiation. Furthermore, the osteoblastic differentiation of hAVICs was significantly inhibited by the miR-29b inhibition. TGF-beta3 was markedly downregulated while Smad3, Runx2, wnt3, and beta-catenin were significantly upregulated during osteogenic induction at both the mRNA and protein levels. These effects were systematically induced by miR-29b overexpression while the inhibition of miR-29b showed the inverse trends. Moreover, TGF-beta3 was a direct target of miR-29b. Inhibition of miR-29b hinders valvular calcification through the upregulation of the TGF-beta3 via inhibition of wnt/beta-catenin and RUNX2/Smad3 signaling pathways. PMID- 29227540 TI - Human T-lymphotropic virus 1 (HTLV-1) pathogenesis: A systems virology study. AB - The main mechanisms of interaction between Human T-lymphotropic virus type 1 (HTLV-1) and its hosts in the manifestation of the related disease including HTLV 1 associated myelopathy/tropical spastic paraparesis (HAM/TSP) and Adult T-cell leukemia/lymphoma (ATLL) are yet to be determined. It is pivotal to find out the changes in the genes expression toward an asymptomatic or symptomatic states. To this end, the systems virology analysis was performed. Firstly, the differentially expressed genes (DEGs) were taken pairwise among the four sample sets of Normal, Asymptomatic Carriers (ACs), ATLL, and HAM/TSP. Afterwards, the protein-protein interaction networks were reconstructed utilizing the hub genes. In conclusion, the pathways of cells proliferation and transformation were identified in the ACs state. In addition to immune pathways in ATLL, the inflammation and cancer pathways were discened in both diseases of ATLL and HAM/TSP. The outcomes can specify the genes involved in the pathogenesis and help to design the drugs in the future. PMID- 29227541 TI - Protective effects of microRNA-431 against cerebral ischemia-reperfusion injury in rats by targeting the Rho/Rho-kinase signaling pathway. AB - This study investigates the protective effects of miR-431 against cerebral ischemia-reperfusion injury through the Rho/Rho-kinase signaling pathway. SD rats were randomly classified into normal, sham, and model (middle cerebral artery occluded) groups. Rho expression and cerebral infarction were visualized by immunohischemistry and TTC staining, respectively. qRT-PCR and western blotting were used to measure mRNA and protein expression of miR-431 and Rho/Rho-kinase signaling pathway-related genes. Hippocampal neurons were extracted and assigned into normal, blank, negative control (NC), miR-431 mimics, miR-431 inhibitors, siRNA-Rho, and miR-431 inhibitors + siRNA-Rho groups. Proliferation and apoptosis were detected by MTT and flow cytometry, respectively. Compared with the normal group, the model group showed elevated Rho expression, area of cerebral infarction, and expressions of Rho/Rho-kinase related genes but reduced miR-431 expression. Compared with the blank group, expression of Rho, Rho-kinase alpha, and Rho-kinase beta decreased and miR-431 expression increased in the miR-431 mimics and siRNA-Rho groups, and the tendency reversed in the miR-431 inhibitors group. Enhanced proliferation and inhibited apoptosis were exhibited in the miR 431 mimics and siRNA-Rho groups while results in the miR-431 inhibitors group reversed. Findings obtained from this study indicated that miR-431 confers protection against cerebral ischemia-reperfusion injury through negatively regulating the Rho/Rho-kinase signaling pathway. PMID- 29227542 TI - Characterization of Peanut Oil Bodies Integral Proteins, Lipids, and Their Associated Phytochemicals. AB - : A microscopic image of a section of a peanut seed shows that oil bodies (OBs) are a small droplet of oil that is dispersed throughout the whole seed. The protein profile of peanut's OBs recovered using the aqueous extraction method at different pH was found to have 2 oleosin isoforms of 14 and 16 kDa. Moreover, OBs essential amino acids are 1.52 higher than those in the PPI. Oleic acid and linoleic acid are the major fatty acids in both cold press peanut oil and OBs regardless of pH. Tocopherol content went from 270.76 to 278.2 mg/g when pH got increased. delta-Tocopherols are slightly associated with peanut OBs, as it was resistant to the alkaline washing; however, alpha-tocopherols were discovered to be weakly associable. On the contrary, phytosterols content decreased when pH got increased, with 631.49 MUg/g for pH 6.8 and 614.96 MUg/g for pH 11.0. PRACTICAL APPLICATION: Peanut oil is widely used in food industries in the form of emulsified oil. OBs can be presented as a better alternative solution, which is stable emulsified oil, with high content of antioxidant and phytosterols. Our results showed that peanut OBs are rich in nutritional components such as essential amino acids, unsaturated fatty acids, vitamin E, and phytosterols. Moreover, peanut OBs are surrounded with 2 oleosin isoforms and caleosin, which offer more stability to the emulsion system. Thus, peanut OBs can be perfect for food like mayonnaise and vinaigrettes products in the form of encapsulated oil with high content of vitamin E. PMID- 29227543 TI - Edible Coating Using a Chitosan-Based Colloid Incorporating Grapefruit Seed Extract for Cherry Tomato Safety and Preservation. AB - : Grapefruit seed extract (GSE)-containing chitosan-based coating was developed and applied to cherry tomatoes to protect them from Salmonella invasion and improve their storability. The coating colloids were produced by mixing a chitosan colloid (1% [w/w] chitosan) with GSE at various concentrations (0.5%, 0.7%, 1.0%, and 1.2% [w/w]) using high-shear mixing (10000 rpm, 2 min). Coatings with chitosan colloids containing GSE at 0.0%, 0.5%, 0.7%, and 1.0% (w/w) inactivated Salmonella on cherry tomatoes by 1.0 +/- 0.3, 1.2 +/- 0.3, 1.6 +/- 0.1, and 2.0 +/- 0.3 log CFU/cherry tomato, respectively. Coatings both with and without GSE (1.0%) effectively inhibited the growth of Salmonella and total mesophilic aerobes, reduced CO2 generation, and retarded titratable acidity decrease during storage at 10 and 25 degrees C. The advantage of incorporating GSE in the formulation was demonstrated by delayed microorganism growth and reduced weight loss at 25 degrees C. The chitosan-GSE coating did not affect lycopene concentration, color, and sensory properties (P > 0.05). Chitosan-GSE coating shows potential for improving the microbiological safety and storability of cherry tomatoes, with stronger efficacy at 25 degrees C than that of chitosan coating without GSE. PRACTICAL APPLICATION: A novel chitosan coating containing grape fruit seed extract (GSE) improved the microbiological safety against Salmonella and storability of cherry tomatoes without altering their flavor, demonstrating its strong potential as an effective postharvest technology. Chitosan coating containing GSE might be preferable over chitosan coating without GSE for application to tomatoes that are stored at room temperature in that it more effectively inhibits microbial growth and weight loss than the coating without GSE at 25 degrees C. PMID- 29227544 TI - A fast and accurate isotope dilution GC-IT-MS/MS method for determination of eugenol in different tissues of fish: Application to a depletion study in mandarin fish. AB - An accurate, rapid and effective method was established for determination of eugenol in plasma, muscle, skin, liver, kidney and gill of fish using gas chromatography-ion trap tandem mass spectrometry. Samples of muscle, skin, liver, kidney and gill were prepared using the modified QuEChERS (quick, easy, cheap, effective, rugged and safe) procedure, and a plasma sample was prepared by a liquid-liquid extraction procedure. Eugenol was monitored in <7 min using an electron-ionization source in MS/MS mode and quantified by an internal standard of eugenol-d3 . The limit of detection was 5.0 MUg/kg, and the limit of quantification was 10.0 MUg/kg. The calibration curve was linear in the range of 5-1000 MUg/L (R2 = 0.9996). Intra- and inter-day precisions of eugenol expressed as relative standard deviation were within 9.74%, and the accuracy exhibited a relative error ranging from -2.20 to 8.89%. The developed method was successfully used to study the elimination regularity of eugenol in mandarin fish. PMID- 29227545 TI - Overexpression of Sirt6 is a novel biomarker of malignant human colon carcinoma. AB - Sirt family has been reported playing a significant role in the cancer development, especial its deacetylase activity plays a key function, but whether SIRT6 plays a role in mediating tumor epithelial-mesenchymal transition (EMT) and metastasis in colon cancer has not been explored. Here, the mass spectrometry and co-immunoprecipitation assays were utilized to detect that SIRT6 was physically associated with transcription factor snail. Most important, HCT116 cells transfected with SIRT6 shRNA reversed EMT, while increased the expression of TET1, and the HCT116 cells transfected with SIRT6 displayed the contrary tendency. Transwell invasion assay, soft agar assay, as well as colony formation together showed that SIRT6 promoted cell EMT and tumorigenesis in vitro. We also found SIRT6 is a reader of snail. ChIP as well as qChIP suggested H3K9 binding on the promoter of TET1 dependent on SIRT6. SIRT6 promoted EMT process through two different ways, one is as a reader of snail, and other way was the suppression of TET1 transcription. These two ways are all dependent on its H3K9 deacetylase activity. Further, patient samples collected showed that SIRT6 was significantly increased in colon cancer samples, and its higher expression was correlated with poor prognosis, worse overall survivals. Together, our experiments revealed the mechanism for SIRT6 in facilitating tumorigenesis and metastasis of colon cancer cells, suggesting that SIRT6 might be a potential therapeutic target for treating colon cancer. PMID- 29227546 TI - High levels of extracellular ATP lead to chronic inflammatory response in melanoma patients. AB - Skin cancer represents a serious public health problem and melanoma is considered the most significant due to its high metastasis capacity. Evasion mechanisms are the main characteristic of these tumor cells to escape of immune response. Extracellular nucleotides and nucleosides play an important role in inflammatory and immune responses. In this study, we analyzed the expression and activity of purinergic system enzymes in platelets and lymphocytes, ATP levels quantification, as well the level of pro and anti-inflammatory interleukins in the serum of 23 patients with surgical melanoma removal (CM group) and 23 control subjects (CT group). Results showed a decrease in ATP, ADP, and AMP hydrolysis and an increase in ATP levels quantification in CM group. The pro-inflammatory cytokines were elevated in CM group when compared to CT group. These results suggest an inflammatory process, even after surgical removal, due to elevated extracellular ATP levels. Besides, CM group displayed an increase in IL-10 levels and an increased in ADA activity in platelets and lymphocytes. Once adenosine and IL-10 are anti-inflammatory molecules, these results indicate a down-regulation of immune system front to malignant process. The alteration in nucleotide and nucleoside hydrolysis reinforces the purinergic systems role in this cancer. Therefore, even after surgical removal, the purinergic system can develop a chronic inflammatory micro-environment that can influence directly on relapse or metastasis. PMID- 29227547 TI - A network meta-analysis on the short-term efficacy and adverse events of different anti-osteoporosis drugs for the treatment of postmenopausal osteoporosis. AB - A network meta-analysis was conducted to compare the short-term efficacy and adverse events of different drugs for the treatment of postmenopausal osteoporosis (PMO), providing a more effective treatment for PMO. We initially searched through various databases like PubMed, Cochrane Library, and EMBASE from inception till October 2016. All randomized controlled trials (RCTs) of drugs for the treatment of PMO were included for direct and indirect comparison. A combination of direct and indirect evidence of different inhibitors of anti diabetic drugs for treatment of PMO were considered for calculating the weighted mean difference (WMD) value or odd ratio (OR) value and to draw surface under the cumulative ranking (SUCRA) curves. Twenty-seven RCTs were ultimately incorporated into this network meta-analysis comprising of 48 200 patients suffering from PMO. The network meta-analysis revealed that compared with placebo, alendronate had better efficacy on improving bone mineral density (BMD) at lumbar spine, femoral neck, and total hip. Risedronate and raloxifene had relatively lower incidence of new vertebral fractures. The SUCRA analysis showed that alendronate had better efficacy on improving BMD, risedronate could significantly decrease the incidence of fresh fracture and bazedoxifene was relatively safe. The available evidence suggested that alendronate and risedronate might be the superior choices for the treatment of PMO, while bazedoxifene was a comparatively safer option for patients. PMID- 29227548 TI - Resistance of oral cancer cells to 5-ALA-mediated photodynamic therapy. AB - Photodynamic therapy (PDT) has been indicated for oral squamous cell carcinoma (OSCC) at early stages. Chemo and radio-resistance are frequently observed in OSCC, but it is unknown whether this tumor can develop resistance to PDT. It was investigated the process of acquiring resistance to multiple cycles of PDT by using OSCC cells. We also analyzed the expression of anti-apoptotic proteins and those related to Akt/mTOR pathway. Sub-lethal doses of PDT were applied, consisting of a constant concentration of 5-aminolevulinic acid (5-ALA) (1 mM, 4 h incubation) and increasing irradiation dose with LED (from 5.86 to 10.54 J/cm2 ). Cell viability, migration capacity, intracellular expression of protoporphyrin IX (PpIX), mitochondrial density, and pro-survival proteins were investigated in PDT-resistant cells. Six OSCC cell generations resistant to PDT were isolated. The resistant cells exhibited a survival phenotype characterized by a reduction in the expression of endogenous PpIX, increase in mitochondrial density, increase in migration capacity, and up-regulation of p-NFkappaB, p-survivin, iNOS, p-Akt Ser473 , cyclin D1, p-mTOR Ser2481 , and p-mTOR Ser2448 . OSCC cells are able to survive doses of 5-ALA-PDT by reducing PpIX synthesis and activating signaling pathways related to the inhibition of apoptosis and improvement of cell proliferation. Further studies are necessary to confirm whether this PDT resistance phenotype can be clinically present, mainly in OSCC showing clinical recurrences after exposure to different PDT protocols. PMID- 29227549 TI - In Vitro Dissection of Autophagy. AB - Autophagy is an essential cellular process for bulk degradation of cytoplasmic components through the lysosome. Underlying this process is an intricate interaction between protein factors and the cell endomembrane system, leading to a gradual maturation of the autophagic membrane. This structure sequesters a portion of the cytoplasm by the formation of a double-membrane compartment called the autophagosome. The autophagosome then delivers the cargo to the lysosome to complete degradation. The molecular mechanism accounting for the generation of the autophagic membrane is a longstanding question. Here, a cell-free approach that has been established to understand the mechanism of early autophagic membrane generation is described. This system has provided insight into the membrane source of the autophagosome, the early protein-membrane associations, and the membrane remodeling that generates the autophagosomal precursors. The cell-free assay, in combination with other established approaches (e.g., cell imaging), will facilitate a deeper understanding of the mechanism of autophagy. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227550 TI - Live-Cell Visualization of Calcium Flux in Vibratome-Cut Thick Sections of Viable Tumor Tissue. AB - This unit outlines a live-cell imaging approach developed for visualization of intracellular calcium flux in human parathyroid tumors following stimulation of the calcium-sensing receptor (CASR), a class C G protein-coupled receptor (GPCR). The primary assay readout, intracellular calcium release induced by activation of the inositol triphosphate receptor, is potentially generalizable to multiple other GPCR signaling events that utilize this common downstream signal transduction pathway. Advantages of the approach include: (1) preservation of native tissue context and positional information, allowing direct visualization of intratumoral functional heterogeneity; (2) quantitative documentation of reactivity to a physiological stimulus in an experimentally tractable ex vivo system; and (3) generation of a dynamic, functional classifier of tumor biochemical behavior to augment static marker assessment. The technical steps are performed in three sequential phases: (1) viable tissue sectioning; (2) fluorophore loading and tissue immobilization; and (3) live-cell confocal microscopy. This versatile method provides a straightforward platform for functional characterization of human tumors. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227551 TI - High Purity Isolation and Sensitive Quantification of Extracellular Vesicles Using Affinity to TIM4. AB - Almost all types of cells secrete extracellular vesicles (EVs), including exosomes and microvesicles. EVs carry various proteins, lipids, mRNAs, and microRNAs, and may participate in many aspects of physiological and pathophysiological processes. Various studies are currently being conducted to develop therapeutic and diagnostic methods targeting or utilizing EVs. Therefore, developing ideal methods for isolating and quantifying EVs is an active area of research. EVs express phosphatidylserine on their outer lipid bilayer. This unit describes an affinity-based method for isolating EVs using TIM4, which binds phosphatidylserine in a specific and calcium-dependent manner. EVs captured by TIM4 can be easily released by addition of a chelating agent, or can be retained for quantification by ELISA or flow cytometry. These methods enable the isolation of highly purified EVs and the sensitive quantification of EVs, which will accelerate EV research beyond what has been achievable with conventional methods. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227552 TI - Microfluidics-Assisted TIRF Imaging to Study Single Actin Filament Dynamics. AB - Dynamic assembly of actin filaments is essential for many cellular processes. The rates of assembly and disassembly of actin filaments are intricately controlled by regulatory proteins that interact with the ends and the sides of filaments and with actin monomers. TIRF-based single-filament imaging techniques have proven instrumental in uncovering mechanisms of actin regulation. In this unit, novel single-filament approaches using microfluidics-assisted TIRF imaging are described. These methods can be used to grow anchored actin filaments aligned in a flow, thus making the analysis much easier as compared to open flow cell approaches. The microfluidic nature of the system also enables rapid change of biochemical conditions and allows simultaneous imaging of a large number of actin filaments. Support protocols for preparing microfluidic chambers and purifying spectrin-actin seeds used for nucleating anchored filaments are also described. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227553 TI - Fluorescence Lifetime Imaging of a Caspase-3 Apoptosis Reporter. AB - Caspase-3 is a proteolytic enzyme that functions as a key effector in apoptotic cell death. Determining activity of caspase-3 provides critical information about cancer cell viability and response to treatment. To measure apoptosis in intact cells and living mice, a fluorescence imaging reporter that detects caspase-3 activity by Forster resonance energy transfer (FRET) was used. Changes in FRET by fluorescence lifetime imaging microscopy (FLIM) were measured. Unlike FRET measurements based on fluorescence intensity, lifetime measurements are independent of reporter concentration and scattering of light in tissue, making FLIM a robust method for imaging in 3D environments. Apoptosis of breast cancer cells in 2D culture, spheroids, and in vivo murine breast tumor xenografts in response to a variety of genetic and pharmacologic methods implicated in apoptosis of cancer cells was studied. This approach for quantifying apoptosis of cancer cells is based on caspase-3 activity at single-cell resolution using FLIM. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227554 TI - Simple and Rapid Tissue Clearing Method for Three-Dimensional Histology of the Pancreas. AB - Previously, high-resolution three-dimensional imaging of a whole and intact pancreas was not possible, since light is scattered when it passes through cell compartments with different refractive indices. CLARITY is one of the tissue clearing techniques that has yielded success with the central nervous system. To preserve tissue integrity after delipidation, conventional protocols embed tissue in an acrylamide-based hydrogel, which involves the use of specialized equipment. Recently, we determined that the hydrogel-embedding step could be simplified and replaced by passive tissue fixation in 4% paraformaldehyde (PFA). The whole procedure is less time-consuming and less error-prone, and can be completed within a week, compared to conventional CLARITY protocols that may take weeks to complete. Here, the detailed stepwise procedures involved in the simplified CLARITY workflow are applied to the pancreas of wild-type and gene-knockout 6 week old mice expressing green fluorescent protein (GFP) under the mouse insulin 1 promoter (MIP-GFP). This technique could facilitate high-resolution, three dimensional imaging of pancreatic islets and comparison between different mouse genotypes under different disease and treatment conditions. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227555 TI - Combining Fluorescence and Bioluminescence Microscopy to Study the Series of Events from Cellular Signal Transduction to Gene Expression. AB - The molecular interactions and translocation of signal transduction factors in individual cells can be imaged by fluorescence microscopy. Alternatively, downstream promoter activity in single cells can be imaged by bioluminescence microscopy. However, the same stimuli can lead to different gene expression responses in individual cells. For this reason, it is desirable to simultaneously image signal transduction and gene expression events in the same cells. Here, we describe a method that combines fluorescence and bioluminescence microscopy to image protein kinase C (PKC) translocation from the cytosol to the plasma membrane and the expression of nuclear factor kappa-light polypeptide B (NF kappaB)-regulated genes. (c) 2017 by John Wiley & Sons, Inc. PMID- 29227556 TI - Titanium Disulfide Coated Carbon Nanotube Hybrid Electrodes Enable High Energy Density Symmetric Pseudocapacitors. AB - While electrochemical supercapacitors often show high power density and long operation lifetimes, they are plagued by limited energy density. Pseudocapacitive materials, in contrast, operate by fast surface redox reactions and are shown to enhance energy storage of supercapacitors. Furthermore, several reported systems exhibit high capacitance but restricted electrochemical voltage windows, usually no more than 1 V in aqueous electrolytes. Here, it is demonstrated that vertically aligned carbon nanotubes (VACNTs) with uniformly coated, pseudocapacitive titanium disulfide (TiS2 ) composite electrodes can extend the stable working range to over 3 V to achieve a high capacitance of 195 F g-1 in an Li-rich electrolyte. A symmetric cell demonstrates an energy density of 60.9 Wh kg-1 -the highest among symmetric pseudocapacitors using metal oxides, conducting polymers, 2D transition metal carbides (MXene), and other transition metal dichalcogenides. Nanostructures prepared by an atomic layer deposition/sulfurization process facilitate ion transportation and surface reactions to result in a high power density of 1250 W kg-1 with stable operation over 10 000 cycles. A flexible solid-state supercapacitor prepared by transferring the TiS2 -VACNT composite film onto Kapton tape is demonstrated to power a 2.2 V light emitting diode (LED) for 1 min. PMID- 29227557 TI - Building Organic/Inorganic Hybrid Interphases for Fast Interfacial Transport in Rechargeable Metal Batteries. AB - We report a facile in situ synthesis that utilizes readily accessible SiCl4 cross linking chemistry to create durable hybrid solid-electrolyte interphases (SEIs) on metal anodes. Such hybrid SEIs composed of Si-interlinked OOCOR molecules that host LiCl salt exhibit fast charge-transfer kinetics and as much as five-times higher exchange current densities, in comparison to their spontaneously formed analogues. Electrochemical analysis and direct optical visualization of Li and Na deposition in symmetric Li/Li and Na/Na cells show that the hybrid SEI provides excellent morphological control at high current densities (3-5 mA cm-2 ) for Li and even for notoriously unstable Na metal anodes. The fast interfacial transport attributes of the SEI are also found to be beneficial for Li-S cells and stable electrochemical cycling was achieved in galvanostatic studies at rates as high as 2 C. Our work therefore provides a promising approach towards rational design of multifunctional, elastic SEIs that overcome the most serious limitations of spontaneously formed interphases on high-capacity metal anodes. PMID- 29227558 TI - RNA sequencing identifies gene regulatory networks controlling extracellular matrix synthesis in intervertebral disk tissues. AB - : Degenerative disk disease of the spine is a major cause of back pain and disability. Optimization of regenerative medical therapies for degenerative disk disease requires a deep mechanistic understanding of the factors controlling the structural integrity of spinal tissues. In this investigation, we sought to identify candidate regulatory genes controlling extracellular matrix synthesis in spinal tissues. To achieve this goal we performed high throughput next generation RNA sequencing on 39 annulus fibrosus and 21 nucleus pulposus human tissue samples. Specimens were collected from patients undergoing surgical discectomy for the treatment of degenerative disk disease. Our studies identified associations between extracellular matrix genes, growth factors, and other important regulatory molecules. The fibrous matrix characteristic of annulus fibrosus was associated with expression of the growth factors platelet derived growth factor beta (PDGFB), vascular endothelial growth factor C (VEGFC), and fibroblast growth factor 9 (FGF9). Additionally we observed high expression of multiple signaling proteins involved in the NOTCH and WNT signaling cascades. Nucleus pulposus extracellular matrix related genes were associated with the expression of numerous diffusible growth factors largely associated with the transforming growth signaling cascade, including transforming factor alpha (TGFA), inhibin alpha (INHA), inhibin beta A (INHBA), bone morphogenetic proteins (BMP2, BMP6), and others. CLINICAL SIGNIFICANCE: this investigation provides important data on extracellular matrix gene regulatory networks in disk tissues. This information can be used to optimize pharmacologic, stem cell, and tissue engineering strategies for regeneration of the intervertebral disk and the treatment of back pain. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1356-1369, 2018. PMID- 29227560 TI - Enhancing Van der Waals Interactions of Functionalized UiO-66 with Non-polar Adsorbates: The Unique Effect of para Hydroxyl Groups. AB - UiO-66 is a highly stable metal-organic framework (MOF) that has garnered interest for many adsorption applications. For small, nonpolar adsorbates, physisorption is dominated by weak Van der Waals interactions limiting the adsorption capacity. A common strategy to enhance the adsorption properties of isoreticular MOFs, such as UiO-66, is to add functional groups to the organic linker. Low and high pressure O2 isotherms were measured on UiO-66 MOFs functionalized with electron donating and withdrawing groups. It was found that the electron donating effects of -NH2 , -OH, and -OCF3 groups enhance the uptake of O2 . Interestingly, a significant enhancement in both the binding energy and adsorption capacity of O2 was observed for UiO-66-(OH)2 -p, which has two -OH groups para from one another. Density functional theory (DFT) simulations were used to calculate the binding energy of oxygen to each MOF, which trended with the adsorption capacity and agreed well with the heats of adsorption calculated from the Toth model fit to multi-temperature isotherms. DFT simulations also determined the highest energy binding site to be on top of the electron pi-cloud of the aromatic ring of the ligand, with a direct trend of the binding energy with low pressure adsorption capacity. Uniquely, DFT found that oxygen molecules adsorbed to UiO-66-(OH)2 -p prefer to align parallel to the -OH groups on the aromatic ring. Similar effects for the electron donation of the functional groups were observed for the low pressure adsorption of N2 , CH4 , and CO2 . PMID- 29227559 TI - Magnetic resonance measurements of tissue quantity and quality using T2 * relaxometry predict temporal changes in the biomechanical properties of the healing ACL. AB - : The purpose of this study was to develop a magnetic resonance T2 * relaxometry based multiple linear regression model to predict the structural properties of the healing anterior cruciate ligament (ACL) over a 24-week healing period following ACL repair in Yucatan minipigs. Two hypotheses were tested: (i) that a regression model based on ACL sub-volumes containing short and long T2 * relaxation times would outperform a competing model based on sub-volumes of short T2 * relaxation times only; and (ii) that an optimized regression model would be capable of predicting ACL structural properties between 6 and 24 weeks post repair. ACLs were imaged in 24 minipigs (8/group) at either 6, 12, or 24 weeks after ACL repair. The structural properties of the ACLs were determined from tensile failure tests. Four multiple linear regression models of increasing complexity were fitted to the data. Akaike Information Criterion values and Bland Altman tests were used to compare model performance and to test the hypotheses. The structural properties predicted from the multiple linear regression model that was based on the change in ACL sub-volumes of both the short and long T2 * relaxation times over the healing period were in closest agreement to the measured values, suggesting that the amounts of both organized and disorganized collagen, and the change in these quantities over time, are required to predict the structural properties of healing ACLs accurately. CLINICAL SIGNIFICANCE: our time-specific, T2 *-based regression model may allow us to estimate the structural properties of ACL repairs in vivo longitudinally. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1701-1709, 2018. PMID- 29227561 TI - Green Synthesis of a New Al-MOF Based on the Aliphatic Linker Mesaconic Acid: Structure, Properties and In Situ Crystallisation Studies of Al-MIL-68-Mes. AB - A new aluminium metal-organic framework (MOF), based on the short aliphatic linker molecule mesaconic acid (H2 Mes; methylfumaric acid) is reported. Al-MIL 68-Mes with composition [Al(OH)(O2 C-C3 H4 -CO2 )]?n H2 O is obtained after short reaction times of 45 minutes under mild, aqueous synthesis conditions (95 degrees C). It exhibits a kagome-like framework structure with large hexagonal, and small trigonal channels (diameters of ~6 and ~2 A, respectively) and a specific surface area of SBET ~1040 m2 g-1 (VMIC =0.42 cm3 g-1 ). A sigmoidal vapour sorption isotherm for water, and uptakes of water and methanol above 30 wt. % were observed. Al-MIL-68-Mes is stable against water ad-/desorption and its thermal stability is 350 degrees C in air. The proton conductivity for the hydrated MOF showed values up to 1.1*10-5 S cm at 130 degrees C and 100 % relative humidity, which exceeds the values observed for the non-hydrated compound by up to four orders of magnitude. Using synchrotron radiation the crystallisation of the MOF by in situ PXRD was also studied at temperatures from 80 to 100 degrees C. Kinetic evaluation revealed that the induction periods and crystallization times vary depending on the synthesis batch, but the rate limiting steps are consistently observed. PMID- 29227562 TI - Crosstalk between substance P and calcitonin gene-related peptide during heterotopic ossification in murine Achilles tendon. AB - Heterotopic ossification (HO) is abnormal bone formation within soft tissue, usually predisposed by neurogenic or musculoskeletal trauma. Inflammation resulting from trauma is considered to be the main trigger for HO by eliciting changes within the injury site, including elevation of bone morphogenetic proteins (BMPs). Recent research, however, has also associated changes in sensory neuropeptide expression with HO. Substance P (SP) and calcitonin gene-related peptide (CGRP) are two of those neuropeptides that have been implicated with various aspects of HO, including regulation of inflammation and BMP signaling. Despite discoveries associating SP and CGRP with soft tissue HO, it remains unclear whether SP and CGRP have a direct role in the induction of HO. Here, we investigated the effect of SP and CGRP in vivo with the aid of inkjet-based biopatterning technology to controllably deliver these neuropeptides onto a murine Achilles tendon. While we did not observe any significant effect with CGRP, SP alone promoted HO in vivo with increased expression of BMP2. Remarkably, when SP and CGRP were delivered together, CGRP counteracted the effect of SP and essentially blocked SP-induced HO. This report contributes to the understanding of the complex problem of HO pathophysiology and warrants more study to better elucidate the interplay between SP and CGRP in the induction of HO. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1444-1455, 2018. PMID- 29227563 TI - Expression and enzyme activity of cytochrome P450 enzymes CYP3A4 and CYP3A5 in human skin and tissue-engineered skin equivalents. AB - CYP3A4 and CYP4A5 share specificity for a wide range of xenobiotics with the CYP3 subfamily collectively involved in the biotransformation of approximately 30% of all drugs. CYP3A4/5 mRNA transcripts have been reported in the skin, yet knowledge of their protein expression and function is lacking. In this study, we observed gene and protein expression of CYP3A4/5 in both human skin and tissue engineered skin equivalents (TESEs), and enzyme activity was detected using the model substrate benzyl-O-methyl-cyanocoumarin. Mass spectrometric analysis of TESE lysates following testosterone application revealed a time-dependent increase in metabolite production, confirming the functional expression of these enzymes in skin. PMID- 29227564 TI - Novel mold-resistant building materials impregnated with thermally reduced nano silver. AB - In this study, we evaluated the long-term antifungal effectiveness of 3 types of interior building materials (gypsum board [GB], cement board [CB], and softwood plywood [S-PW]) impregnated with thermally reduced silver nanoparticles supported by titanium dioxide (AgNPs/TiO2 ) under 95% relative humidity for 4 weeks. AgNPs/TiO2 was synthesized at 2 thermal reduction temperatures (TRTs, 120 and 200 degrees C) with 2 different AgNP weight percentages (2 and 5 wt%). Four different silver-loading levels (SLLs, 0.025, 0.05, and 0.5 MUg/cm2 and the critical concentration required to inhibit fungal growth on agar plates) and 3 fungal species (Aspergillus niger, Penicillium spinulosum, and Stachybotrys chartarum) were used in the experiments. Higher temperature reduced more ionic Ag+ to metallic Ag0 and increased the dispersion of Ag on TiO2 surface. The 200 degrees C thermally reduced AgNPs/TiO2 demonstrated excellent antifungal efficiency: Mold growth was almost completely inhibited for 28 days at the low SLL of 0.5 MUg/cm2 . Additionally, AgNPs/TiO2 exhibited higher antifungal activity on GB and CB than on S-PW. The stepwise regression results indicated that the TRT of AgNPs/TiO2 (beta = -0.739 to -0.51), the SLL (beta = -0.477 to -0.269), and the Ag0 level in the AgNPs (beta = -0.379 to -0.136) were the major factors influencing antifungal activity and TRT might be the most significant one. PMID- 29227565 TI - Limited utility of routine chest X-ray in initial evaluation of neutropenic fever in patients with haematological diseases undergoing chemotherapy. AB - BACKGROUND: Routine chest X-ray (CXR) is recommended for neutropenic fever (NF) management however its role is relatively understudied in haematology patients. AIM: To investigate the utility of CXR in the diagnosis and management of patients with haematological conditions complicated by NF. METHODS: Retrospective, single-centre analysis of haematology patients admitted with NF between January 2011 and December 2015. Baseline demographics, treatment details and outcomes were collected from electronic patient records. CXR underwent independent radiology review. Primary endpoints were a proportion of NF episodes in which CXR detected a probable chest infection in the absence of respiratory symptoms/signs and/or resulted in a change in antibiotic management. RESULTS: Four hundred and thirty-five episodes were identified; CXR was performed in 75% of patients (65% within 2 days of NF). In 4 of 164 (2.4%) asymptomatic patients, CXR was consistent with infection, in contrast to 19 of 119 (16%) patients with clinical signs of respiratory infection. Only 3 of 283 (1.1%) CXR resulted in a change to antibiotics. CXR consistent with infection was not associated with increased mortality or increased admission length, although there was an association with intensive care unit admission (odds ratios: 7.61, 95% confidence interval: 2.04-28.31). CONCLUSION: In haematology patients with NF, CXR rarely detected chest infection or changed management in patients with no respiratory symptoms or signs. CXR in our institution is no longer part of routine assessment of NF in the absence of these features. PMID- 29227566 TI - A Bioresistant Nitroxide Spin Label for In-Cell EPR Spectroscopy: In Vitro and In Oocytes Protein Structural Dynamics Studies. AB - Approaching protein structural dynamics and protein-protein interactions in the cellular environment is a fundamental challenge. Owing to its absolute sensitivity and to its selectivity to paramagnetic species, site-directed spin labeling (SDSL) combined with electron paramagnetic resonance (EPR) has the potential to evolve into an efficient method to follow conformational changes in proteins directly inside cells. Until now, the use of nitroxide-based spin labels for in-cell studies has represented a major hurdle because of their short persistence in the cellular context. The design and synthesis of the first maleimido-proxyl-based spin label (M-TETPO) resistant towards reduction and being efficient to probe protein dynamics by continuous wave and pulsed EPR is presented. In particular, the extended lifetime of M-TETPO enabled the study of structural features of a chaperone in the absence and presence of its binding partner at endogenous concentration directly inside cells. PMID- 29227567 TI - Canine hip dysplasia: A natural animal model for human developmental dysplasia of the hip. AB - Developmental dysplasia of the hip (DDH) in humans is a common condition that is associated with hip pain, functional limitations, and secondary osteoarthritis (OA). Surgical treatment of DDH has improved in the last decade, allowing excellent outcomes at short- and mid-term follow-up. Still, the etiology, mechanobiology, and pathology underlying this disease are not well understood. A pre-clinical animal model of DDH could help advance the field with a deeper understanding of specific pathways that initiate hip joint degeneration secondary to abnormal biomechanics. An animal model would also facilitate different interventional treatments that could be tested in a rigorous and controlled environment. The dog model exhibits several important characteristics that make it valuable as a pre-clinical animal model for human DDH. Dogs are naturally prone to develop canine hip dysplasia (CHD), which is treated in a similar manner as in humans. Comparable to human DDH, CHD is considered a pre-OA disease; if left untreated it will progress to OA. However, progression to OA is significantly faster in dogs than humans, with progression to OA within 1-2 years of age, associated with their shorter life span compared to humans. Animal studies could potentially reveal the underlying biochemical pathway(s), which can inform refined treatment modalities and provide opportunities for new treatment and prevention targets. Herein, we review the similarities and differences between the two species and outline the argument supporting CHD as an appropriate pre-clinical model of human DDH. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1807-1817, 2018. PMID- 29227568 TI - The effect of small dose of topiroxostat on serum uric acid in patients receiving hemodialysis. AB - INTRODUCTION: Topiroxostat, a recently developed xanthine oxidase inhibitor, is expected to have fewer adverse effects than allopurinol because it has different mechanism of action from alloprinol. However, its dosage, usage and safety have not been established in patients with impaired renal function or those undergoing dialysis at the development since no studies was conducted in these patients. METHODS: Cross over clinical trial using 3 months of allopurinol and topiroxostat on 27 maintain Japanese HD patients were carried out. The effects on oxidative stress status of both drugs were also evaluated by measuring oxidation reduction potential. FINDINGS: Twenty-five of twenty-seven patients completed study. The mean serum uric acid levels in the topiroxostat-treated arm was significantly lower than it in the allopurinol-treated arm time-dependently (P < 0.0001). Corrected oxidative stress ratio defined as biological antioxidant potential/diacron reactive oxygen metabolites was significantly increased in topiroxostat-arm (*P = 0.0035), but not in allopurinol-arm (P = 0.1429). No significant difference was seen in diacron reactive oxygen metabolites, biological antioxidant potential, static oxidation-reduction potential, and capacity oxidation-reduction potential between pre and post treatment of both drugs. DISCUSSION: It is suggested that a low dose of topiroxostat decreased serum uric acid sufficiently to maintain it below 7.0 mg/dL in patients receiving hemodialysis. PMID- 29227569 TI - New diagnosis of bullous pemphigoid after withdrawal of immunosuppressive therapy in a failed renal transplant recipient on hemodialysis. AB - The occurrence of the autoimmune blistering disease, bullous pemphigoid (BP), in patients with failed renal allograft is rare and the few reported cases suggest various provocative factors without reaching a consensus. Here we report the case of a patient presenting with bullous lesions soon after the complete discontinuation of immunosuppressant therapy following renal allograft failure. Skin biopsy confirmed the diagnosis of BP. Administration of systemic corticosteroid controlled the occurrence of BP lesions in our patient. Increased clinical suspicion is warranted in cases of patients with renal transplant failure, since withdrawal of the immunosuppressant therapy could lead to unmasking the underlying autoimmune skin disease. PMID- 29227570 TI - High-molecular-weight kininogen: breaking bad in lethal endotoxemia. PMID- 29227571 TI - Comparative effectiveness of metformin monotherapy in extended release and immediate release formulations for the treatment of type 2 diabetes in treatment naive Chinese patients: Analysis of results from the CONSENT trial. AB - AIMS: Metformin treatment for type 2 diabetes mellitus (T2DM) can be limited by gastrointestinal (GI) adverse events (AEs), resulting in treatment discontinuation. We investigated whether once-daily metformin extended release (XR) is superior in terms of GI tolerability, with non-inferior efficacy, compared with thrice-daily metformin immediate release (IR) in treatment-naive Chinese patients with T2DM. MATERIALS AND METHODS: This prospective, open-label, randomized, multicentre, phase IV interventional study enrolled Chinese T2DM patients to receive either metformin XR or metformin IR with a 2-week screening period, a 16-week treatment period and a 2-week follow-up period without treatment. Co-primary endpoints were a non-inferiority assessment of metformin XR vs metformin IR in glycated haemoglobin (HbA1c) least squares mean (LSM) change from baseline to week 16 and the superiority of GI tolerability for metformin XR vs metformin IR. RESULTS: Overall, 532 patients were randomized to metformin IR (n = 267) or metformin XR (n = 265). The HbA1c LSM change was -1.61% and -1.58% in each group, respectively (LSM difference, 0.03; 95% confidence interval [CI], 0.10, 0.17). Incidences of drug-related AEs were 26.5% (n = 66) in the metformin IR-only group and 32.2% (n = 85) in the metformin XR-only group, and GI AEs were 23.8% and 22.3% in each group, respectively (difference, -1.52; 95% CI, -8.60, 5.56). The treatment difference met the predefined non-inferiority upper CI margin of 0.4% in HbA1c. CONCLUSIONS: Metformin XR was non-inferior to metformin IR for the LSM change in HbA1c from baseline to week 16 and not superior to metformin IR for overall GI AE incidence during treatment of Chinese T2DM patients. PMID- 29227572 TI - Factors associated with serum magnesium and vascular stiffness in maintenance hemodialysis patients. AB - INTRODUCTION: We evaluated the associated factors of serum magnesium in patients on maintenance hemodialysis (MHD). Furthermore, we evaluated the relationship between low serum magnesium and arteriosclerosis in these patients. METHODS: In 129 patients on MHD, we evaluated the blood levels of magnesium, brachial-ankle pulse wave velocity (ba-PWV), ankle-brachial index (ABI), and intima-media thickness of the common carotid artery (IMT). FINDINGS: In MHD patients, the serum level of magnesium was significantly correlated with age, calcium, TNF alpha, albumin, and ba-PWV but not with ABI or IMT. In the multiple regression analysis, albumin (P = 0.0001, beta = 0.31) and calcium (P = 0.029, beta = 0.18) were selected as significant predictors of the magnesium level in MHD patients. Furthermore, the serum level of magnesium, as well as systolic blood pressure (P = 0.0001, beta = 0.32) and age (P = 0.005, beta = 0.25), were selected as significant (P = 0.012, beta = -0.22) predictors of ba-PWV in MHD patients. DISCUSSION: In MHD patients, the serum magnesium level was associated with the serum levels of calcium and albumin. Furthermore, a low serum magnesium level in MHD patients was associated with the index of vascular stiffness. PMID- 29227574 TI - Light treatments of nail fungal infections. AB - Nail fungal infections are notoriously persistent and difficult to treat which can lead to severe health impacts, particularly in the immunocompromized. Current antifungal treatments, including systemic and topical drugs, are prolonged and do not effectively provide a complete cure. Severe side effects are also associated with systemic antifungals, such as hepatotoxicity. Light treatments of onychomycosis are an emerging therapy that has localized photodynamic, photothermal or photoablative action. These treatments have shown to be an effective alternative to traditional antifungal remedies with comparable or better cure rates achieved in shorter times and without systemic side effects. This report reviews significant clinical and experimental studies in the field, highlighting mechanisms of action and major effects related to light therapy; in particular, the impact of light on fungal genetics. PMID- 29227575 TI - Effect of single-dose DPP-4 inhibitor sitagliptin on beta-cell function and incretin hormone secretion after meal ingestion in healthy volunteers and drug naive, well-controlled type 2 diabetes subjects. AB - To explore the effects of a single dose of the DPP-4 inhibitor sitagliptin on glucose-standardized insulin secretion and beta-cell glucose sensitivity after meal ingestion, 12 healthy and 12 drug-naive, well-controlled type 2 diabetes (T2D) subjects (mean HbA1c 43 mmol/mol, 6.2%) received sitagliptin (100 mg) or placebo before a meal (525 kcal). beta-cell function was measured as the insulin secretory rate at a standardized glucose concentration and the beta-cell glucose sensitivity (the slope between glucose and insulin secretory rate). Incretin levels were also monitored. Sitagliptin increased standardized insulin secretion, in both healthy and T2D subjects, compared to placebo, but without increasing beta-cell glucose sensitivity. Sitagliptin also increased active glucose dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) and reduced total (reflecting the secretion) GIP, but not total GLP-1 levels. We conclude that a single dose of DPP-4 inhibition induces dissociated effects on different aspects of beta-cell function and incretin hormones after meal ingestion in both healthy and well-controlled T2D subjects. PMID- 29227577 TI - Management of pain in end-stage renal disease patients: Short review. AB - Pain management in end stage renal disease (ESRD) patients is a complex and challenging task to accomplish, and effective pain and symptom control improves quality of life. Pain is prevalent in more than 50% of hemodialysis patients and up to 75% of these patients are treated ineffectively due to its poor recognition by providers. A good history for PQRST factors and intensity assessment using visual analog scale are the initial steps in the management of pain followed by involvement of palliative care, patient and family counseling, discussion of treatment options, and correction of reversible causes. First line should be conservative management such as exercise, massage, heat/cold therapy, acupuncture, meditation, distraction, music therapy, and cognitive behavioral therapy. Analgesics are introduced according to WHO guidelines (by the mouth, by the clock, by the ladder, for the individual, and attention to detail) using three-step analgesic ladder model. Neuropathic pain can be controlled by gabapentin and pregabalin. Substitution/addition of opioid analgesics are indicated if pain control is not optimal. Commonly used opioids in ESRD patients are tramadol, oxycodone, hydromorphone, fentanyl, methadone, and buprenorphine. Methadone, fentanyl, and buprenorphine are the ideal analgesics in ESRD. However, complex pain syndrome requires multidrug analgesic regimen comprising opioids, non-opioids, and adjuvant medication, which should be individualized to the patient to achieve adequate pain control. PMID- 29227576 TI - Microscopic investigation of" topically applied nanoparticles for molecular imaging of fresh tissue surfaces. AB - Previous studies have shown that functionalized nanoparticles (NPs) topically applied on fresh tissues are able to rapidly target cell-surface protein biomarkers of cancer. Furthermore, studies have shown that a paired-agent approach, in which an untargeted NP is co-administered with a panel of targeted NPs, controls for the nonspecific behavior of the NPs, enabling quantitative imaging of biomarker expression. However, given the complexities in nonspecific accumulation, diffusion, and chemical binding of targeted NPs in tissues, studies are needed to better understand these processes at the microscopic scale. Here, fresh tissues were stained with a paired-agent approach, frozen, and sectioned to image the depth-dependent accumulation of targeted and untargeted NPs. The ratio of targeted-to-untargeted NP concentrations-a parameter used to distinguish between tumor and benign tissues-was found to diminish with increasing NP diffusion depths due to nonspecific accumulation and poor washout. It was then hypothesized and experimentally demonstrated that larger NPs would exhibit less diffusion below tissue surfaces, enabling higher targeted-to-untargeted NP ratios. In summary, these methods and investigations have enabled the design of NP agents with improved sensitivity and contrast for rapid molecular imaging of fresh tissues. PMID- 29227573 TI - Post-GWAS in Psychiatric Genetics: A Developmental Perspective on the "Other" Next Steps. AB - As psychiatric genetics enters an era where gene identification is finally yielding robust, replicable genetic associations and polygenic risk scores, it is important to consider next steps and delineate how that knowledge will be applied to ultimately ameliorate suffering associated with substance use and psychiatric disorders. Much of the post-genome-wide association study discussion has focused on the potential of genetic information to elucidate the underlying biology and use this information for the development of more effective pharmaceutical treatments. In this review we focus on additional areas of research that should follow gene identification. By taking genetic findings into longitudinal, developmental studies, we can map the pathways by which genetic risk manifests across development, elucidating the early behavioral manifestations of risk, and studying how various environments and interventions moderate that risk across developmental stages. The delineation of risk across development will advance our understanding of mechanism, sex differences and risk and resilience processes in different racial/ethnic groups. Here, we review how the extant twin study literature can be used to guide these efforts. Together, these new lines of research will enable us to develop more informed, tailored prevention and intervention efforts. PMID- 29227578 TI - Insulin secretion predicts the response to therapy with exenatide plus pioglitazone, but not to basal/bolus insulin in poorly controlled T2DM patients: Results from the Qatar study. AB - The present study aims to identify predictors for response to combination therapy with pioglitazone plus exenatide vs basal/bolus insulin therapy in T2DM patients who are poorly controlled with maximum/near-maximum doses of metformin plus a sulfonylurea. Participants in the Qatar study received a 75-g OGTT with measurement of plasma glucose, insulin and C-peptide concentration at baseline and were then randomized to receive either treatment with pioglitazone plus exenatide or basal/bolus insulin therapy for one year. Insulin secretion measured with plasma C-peptide concentration during the OGTT was the strongest predictor of response to combination therapy (HbA1c <= 7.0%) with pioglitazone plus exenatide. A 54% increase in 2-hour plasma C-peptide concentration above the fasting level identified subjects who achieved the glycaemic goal (HbA1c < 7.0%) with 82% sensitivity and 79% specificity. Only baseline HbA1c was a predictor of response to basal/bolus insulin therapy. Thus, the increment in 2-hour plasma C peptide concentration above the fasting level provides a useful tool to identify poorly controlled T2DM patients who can achieve glycaemic control without insulin therapy, and thereby, can be used to individualize antihyperglycaemic therapy in poorly controlled T2DM patients. PMID- 29227579 TI - Obesity/type 2 diabetes increases inflammation, periosteal reactive bone formation, and osteolysis during Staphylococcus aureus implant-associated bone infection. AB - Obese and type 2 diabetic (T2D) patients have a fivefold increased rate of infection following placement of an indwelling orthopaedic device. Though implant infections are associated with inflammation, periosteal reactive bone formation, and osteolysis, the effect of obesity/T2D on these complicating factors has not been studied. To address this question, C57BL/6J mice were fed a high fat diet (60% Kcal from fat) to induce obesity/T2D, or a control diet (10% Kcal from fat) for 3 months, and challenged with a transtibial pin coated with a bioluminescent USA300 strain of S. aureus. In the resulting infected bone, obesity/T2D was associated with increased S. aureus proliferation and colony forming units. RNA sequencing of the infected tibiae on days 7 and 14 revealed an increase in 635 genes in obese/T2D mice relative to controls. Pathways associated with ossification, angiogenesis, and immunity were enriched. MicroCT and histology on days 21 and 35 demonstrated significant increased periosteal reactive bone formation in infected obese/T2D mice versus infected controls (p < 0.05). The enhanced periosteal bone formation was associated with increased osteoblastic activity and robust endochondral ossification, with persistant cartilage on day 21 that was only observed in infected obesity/T2D. Osteolysis and osteoclast numbers in obesity/T2D were also significantly increased versus infected controls (p < 0.05). Consistent with an up-regulated immune transcriptome, macrophages were more abundant within both the periosteum and the new reactive bone of obese/T2D mice. In conclusion, we find that implant-associated S. aureus osteomyelitis in obesity/T2D is associated with increased inflammation, reactive bone formation, and osteolysis. (c) 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1614-1623, 2018. PMID- 29227580 TI - Electrodeposition of Nickel Nanoparticles for the Alkaline Hydrogen Evolution Reaction: Correlating Electrocatalytic Behavior and Chemical Composition. AB - Ni nanoparticles (NPs) consisting of Ni, NiO, and Ni(OH)2 were formed on Ti substrates by electrodeposition as electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solution. Additionally, the deposition parameters including the potential range and the scan rate were varied, and the resulting NPs were investigated by scanning electron microscopy and X-ray photoelectron spectroscopy. The chemical composition of the NPs changed upon using different conditions, and it was found that the catalytic activity increased with an increase in the amount of NiO. From these data, optimized NPs were synthesized; the best sample showed an onset potential of approximately 0 V and an overpotential of 197 mV at a cathodic current density of 10 mA cm-2 as well as a small Tafel slope of 88 mV dec-1 in 1 m KOH, values that are comparable to those of Pt foil. These NPs consist of approximately 25 % Ni and Ni(OH)2 each, as well as approximately 50 % NiO. This implies that to obtain a successful HER electrocatalyst, active sites with differing compositions have to be close to each other to promote the different reaction steps. Long-time measurements (30 h) showed almost complete transformation of the highly active catalyst compound consisting of Ni0 , NiO, and Ni(OH)2 into the less active Ni(OH)2 phase. Nevertheless, the here-employed electrodeposition of nonprecious metal/metal oxide combination compounds represents a promising alternative to Pt-based electrocatalysts for water reduction to hydrogen. PMID- 29227582 TI - Role of the sodium-hydrogen exchanger in mediating the renal effects of drugs commonly used in the treatment of type 2 diabetes. AB - Diabetes is characterized by increased activity of the sodium-hydrogen exchanger (NHE) in the glomerulus and renal tubules, which contributes importantly to the development of nephropathy. Despite the established role played by the exchanger in experimental studies, it has not been specifically targeted by those seeking to develop novel pharmacological treatments for diabetes. This review demonstrates that many existing drugs that are commonly prescribed to patients with diabetes act on the NHE1 and NHE3 isoforms in the kidney. This action may explain their effects on sodium excretion, albuminuria and the progressive decline of glomerular function in clinical trials; these responses cannot be readily explained by the influence of these drugs on blood glucose. Agents that may affect the kidney in diabetes by virtue of an action on NHE include: (1) insulin and insulin sensitizers; (2) incretin-based agents; (3) sodium-glucose cotransporter 2 inhibitors; (4) antagonists of the renin-angiotensin system (angiotensin converting-enzyme inhibitors, angiotensin receptor blockers and angiotensin receptor neprilysin inhibitors); and (5) inhibitors of aldosterone action and cholesterol synthesis (spironolactone, amiloride and statins). The renal effects of each of these drug classes in patients with type 2 diabetes may be related to a single shared biological mechanism. PMID- 29227581 TI - Aging of lymphoid organs: Can photobiomodulation reverse age-associated thymic involution via stimulation of extrapineal melatonin synthesis and bone marrow stem cells? AB - Thymic atrophy and the subsequent reduction in T-cell production are the most noticeable age-related changes affecting lymphoid organs in the immune system. In fact, thymic involution has been described as "programmed aging." New therapeutic approaches, such as photobiomodulation (PBM), may reduce or reverse these changes. PBM (also known as low-level laser therapy) involves the delivery of non thermal levels of red or near-infrared light that are absorbed by mitochondrial chromophores, in order to prevent tissue death and stimulate healing and regeneration. PBM may reverse or prevent thymic involution due to its ability to induce extrapineal melatonin biosynthesis via cyclic adenosine monophosphate (AMP) or NF-kB activation, or alternatively by stimulating bone marrow stem cells that can regenerate the thymus. This perspective puts forward a hypothesis that PBM can alter thymic involution, improve immune functioning in aged people and even extend lifespan. PMID- 29227583 TI - Single point mutation on the gene encoding dysbindin results in recognition deficits. AB - The dystrobrevin-binding protein 1 (DTNBP1) gene is a candidate risk factor for schizophrenia and has been associated with cognitive ability in both patient populations and healthy controls. DTNBP1 encodes dysbindin protein, which is localized to synaptic sites and is reduced in the prefrontal cortex and hippocampus of patients with schizophrenia, indicating a potential role in schizophrenia etiology. Most studies of dysbindin function have focused on the sandy (sdy) mice that lack dysbindin protein and have a wide range of abnormalities. In this study, we examined dysbindin salt and pepper (spp) mice that possess a single point mutation on the Dtnbp1 gene predicted to reduce, but not eliminate, dysbindin expression. By western blot analysis, we found that spp homozygous (spp -/-) mutants had reduced dysbindin and synaptosomal-associated protein 25 (SNAP-25) in the prefrontal cortex, but unaltered levels in hippocampus. Behaviorally, spp mutants performed comparably to controls on a wide range of tasks assessing locomotion, anxiety, spatial recognition and working memory. However, spp -/- mice had selective deficits in tasks measuring novel object recognition and social novelty recognition. Our results indicate that reduced dysbindin and SNAP-25 protein in the prefrontal cortex of spp -/- is associated with selective impairments in recognition processing. These spp mice may prove useful as a novel mouse model to study cognitive deficits linked to dysbindin alterations. Our findings also suggest that aspects of recognition memory may be specifically influenced by DTNBP1 single nucleotide polymorphisms or risk haplotypes in humans and this connection should be further investigated. PMID- 29227585 TI - Effect of ultrafiltration on placental-fetal blood flow in pregnancy of woman undergoing chronic hemodialysis. AB - INTRODUCTION: Patient who was undergoing hemodialysis (HD) thrice weekly usually gain 1 to 4 kg of weight in interdialytic period, mainly due to fluid accumulation by ingestion of water. Ultrafiltration (UF) during HD will be need to remove fluid excess to avoid severe medical complications secondary to fluid overload. However, in pregnant woman UF can increase the episodes of intradialytic hypotension which may lead to placental ischemic injury and predispose to fetal distress. There is little information about safe fluid amount withdrawn by UF during pregnancy. METHODS: We prospectively study by obstetric Doppler ultrasonography the fluxometric parameters: pulsatility index (PI) and resistance index (RI) of fetal middle cerebral, uterine, and umbilical artery obtained at the beginning and the end of HD session, the acute and chronic effect of UF on placenta and fetus blood flow, as well as the fetal outcome in 1 pregnant woman on chronic HD. FINDINGS: We did not observe any acute harmful effect on fetal middle cerebral, placental and umbilical artery blood flow when UF rate of 2.1 +/- 0.04 L (6 < 8 mL/h/kg) during HD session, no significant statistical difference was observed when compared PI and RI before and after UF and also when we compared these data with reference value on normal pregnancy to the same gestational age. DISCUSSION: UF rate of 6 < 8 mL/h/kg during HD did not bring any acute harmful effect on fetal middle cerebral, placental, and umbilical blood flow and the UF rate of 1.4 6 0.4 L (< 6 mL/h/kg) / HD session that was done in all others HD during pregnancy was safe, without any chronic fetal deleterious effect. Obstetric Doppler ultrasonography is a simple and noninvasive method to fetal follow-up and can aid to determine safe UF rate in pregnant women during gestation. PMID- 29227584 TI - Npas4 deficiency and prenatal stress interact to affect social recognition in mice. AB - Neurodevelopmental disorders such as autism spectrum disorders and schizophrenia have an expansive array of reported genetic and environmental contributing factors. However, none of these factors alone can account for a substantial proportion of cases of either disorder. Instead, many gene-by-environment interactions are responsible for neurodevelopmental disturbances that lead to these disorders. The current experiment used heterozygous knock-out mice to examine a potential interaction between 2 factors commonly linked to neurodevelopmental disorders and cognitive deficit: imbalanced excitatory/inhibitory signaling in the cortex and prenatal stress (PNS) exposure. Both of these factors have been linked to disrupt GABAergic signaling in the prefrontal cortex (PFC), a common feature of neurodevelopmental disorders. The neuronal PAS domain protein 4 (Npas4) gene is instrumental in regulation of the excitatory/inhibitory balance in the cortex and hippocampus in response to activation. Npas4 heterozygous and wild-type male and female mice were exposed to either PNS or standard gestation, then evaluated during adulthood in social and anxiety behavioral measures. The combination of PNS and Npas4 deficiency in male mice impaired social recognition. This behavioral deficit was associated with decreased parvalbumin and cFos protein expression in the infralimbic region of the PFC following social stimulation in Npas4 heterozygous males. In contrast, females displayed fewer behavioral effects and molecular changes in PFC in response to PNS and decreased Npas4. PMID- 29227586 TI - Identification of potential crucial genes associated with carcinogenesis of clear cell renal cell carcinoma. AB - Clear cell renal cell carcinoma (ccRCC) is a common genitourinary malignancy with high mortality. However, the molecular pathogenesis of ccRCC remains unclear and effective biomarkers for daily practice are still limited. Thus, we aimed to identify the potential crucial genes and pathways associated with carcinogenesis of ccRCC and further analyze the molecular mechanisms implicated in tumorigenesis. In the present study, expression profiles GSE 66270, GSE 53757, GSE 36895, and GSE 76351 were downloaded from GEO database, including 244 matched primary and adjacent normal tissues, furthermore, the level 3 RNAseq dataset (RNAseqV2 RSEM) of KIRC was also downloaded from The Cancer Genome Atlas (TCGA), which consist of 529 ccRCC tumors and 72 normal tissues. Then, differentially expressed genes (DEGs) and pathway enrichment were analyzed by using R software. A total of 129 up- and 123 down-regulated genes were identified, which were aberrantly expressed both in GEO and TCGA data. Second, Gene ontology (GO) analyses revealed that most of the DEGs were significantly enriched in integral component of membrane, extracellular exosome, plasma membrane, cell adhesion, and receptor binding. Signaling pathway analyses indicated that DEGs had common pathways in signal transduction, metabolism, and immune system. Third, hub genes were identified with protein-protein interaction (PPI) network, including PTPRC, TGFB1, EGF, MYC, ITGB2, CTSS, FN1, CCL5, KNG1, and CD86. Additionally, sub networks analyse was also performed by using MCODE plugin. In conclusion, the novel DEGs and pathways in ccRCC identified in this study may provide new insight into the underlying molecular mechanisms that facilitates RCC carcinogenesis. PMID- 29227587 TI - Corticosteroid Faceoff: Which is best for treating asthma and COPD exacerbations? PMID- 29227588 TI - Pushing EPI: Study shows optimal delivery time is after the second shock. PMID- 29227589 TI - Armed with History: Orange County, Calif., begins field implementation of EMS access to patient history via bidirectional information exchange. PMID- 29227590 TI - Value and Sustainability: Key metrics for mobile integrated healthcare and community paramedic programs. PMID- 29227591 TI - Expression of genes, encoding the enzymes of cysteine metabolism in human placenta in the first and third trimesters of uncomplicated pregnancy. AB - The cellular cysteine is highly regulated in a narrow range of concentrations due to its cyto- andneurtoxicity when it is overwhelmed or its deficiency for protein synthesis and other vital metabolic reactionswhen its amount is restricted. The regulation of cysteine content and its metabolic products, glutathione, taurineand inorganic sulfur compounds, is scarcely explored in human placenta though cysteine metabolism isclosely related to the maintenance of redox status and protection from free radical oxidation, elimination ofhomocysteine and detoxification. These processes are particularly important for placenta which meets substantialchanges of oxygen supply during its development, and is the last metabolically active organ betweenmother and fetus. The abundance of CDO , CSAD , ADO , SUOX, GCLC and GCLM mRNAs was estimatedby RT -qPCR and compared with the computationally analyzed microarray gene expression data from GEO ,while the level of individual protein - by western-blot analysis, both in placental samples from first and thirdtrimesters of uncomplicated pregnancies. The abundance of CDO mRNA is significantly up-regulated at termcompared to the first trimester, the level of GCLM and GCLC mRNAs remains almost unchanged while theabundance of other mRNAs reduces to varying degrees. Overall, the changes of gene expression in third trimesterin comparison to the first one estimated by RT-qPCR and microarray coincide while the former dataare more informative for the limited group of genes. The data provide the basis for further research of thesegenes expression and phenotype of human placenta in health and disease PMID- 29227592 TI - Remodulating effect of doxorubicin on the state of iron-containing proteins, and redox characteristics of tumor with allowance for its sensitivity to cytostatic agents. AB - The study was aimed at determining the changes of metal-containing proteins in blood serum andtumor tissue of animals with parental and doxorubicin-resistant strains of Walker-256 carcinosarcoma beforeand after the cytostatic administration. It has been shown that upon doxorubicin action the levels of total ironand transferrin in the tissues from the both groups of animals decreased while that of ferritine simultaneouslyincreased with more pronounced pattern in the group of animals with resistant tumor strain. It has beenshown that upon the action of doxorubicin in tumor tissue of animals with different sensitivity to the cytostaticthere could be observed oppositely directed changes in the redox state of these cells that in turn determinedthe content of " free iron" complexes, RO S generation and concentration of active forms of matrix metaloproteinase-2 and matrix metaloproteinase-9, namely, the increase of these indexes in animals with parental strainand their decrease in animals with the resistant one. So, our study has demonstrated the remodulating effectof doxorubicin on the state of metal-containing proteins and redox characteristics of tumor dependent on itssensitivity to cytostatic, at the levels of the tumor and an organism. These data may serve as a criterion forthe development of programs for the correction of malfunction of iron metabolism aimed at elevating tumorsensitivity to cytostatic agents. PMID- 29227593 TI - Effect of beta-amyloid peptide 42 on the dynamics of expression and formation of Abeta40, IL -1beta, TNF alpha, IL -6, IL -10 by peripheral blood mononuclear cells in vitro and its correction by curcumin. AB - The toxic effect of Abeta-oligomers accompanies chronic inflammation, with cytokines as main mediators.Therefore, the cytokine link of inflammation becomes a new target on the way to restrain amyloidosis. The aimof the study was the effect of aggregated Abeta42 on the dynamics of expression and formation of endogenous Abeta40and cytokines (IL-1beta, TNFalpha, IL-6, IL-10) by peripheral blood mononuclear cells in vitro and its correctionby curcumin. A suspension of mononuclear cells isolated ex tempore using ficoll-urografin gradient fromvenous blood samples of healthy volunteers were used to study the effects of Abeta42 (15 nM), curcumin (54 pM),and their combined action (at similar concentrations) in time dynamics: 0, 1, 3, 6 and 24 h incubation at37 degrees C. Polymerase chain reaction with appropriate primers was used to determine the relative expressionof mRNA for AbetaPP, TNFalpha, IL-1beta, IL-6, IL-10 and enzyme-linked immunosorbent assay - to determine thecontent of Abeta40 and cytokines in mononuclear suspension during all periods of incubation. The individualdynamics AbetaPP and cytokine expression was shown under the action of the Abeta42, which had influence on thecontent of Abeta40, TNFalpha, IL-1beta, IL-6 and IL-10 in mononuclear suspension. Curcumin displayed the inhibitoryeffect on gene expression of AbetaPP, TNFalpha and IL6, which resulted in the decrease of the level of these twocytokines and Abeta40. Thus, the dynamics of anti-inflammatory effect of curcumin in vitro for transcriptionaland translational levels of cytokine's formation by mononuclear cells was shown in the work. Direct inhibitoryeffect of curcumin on the concentration of endogenous Abeta40 during the 24 h incubation in conditions of toxicaction of Abeta42 aggregates was established. PMID- 29227594 TI - Transcriptional regulation of NOX genes express ion in human breast adenocarcinoma MCF-7 cells is modulated by adaptor protein Ruk/CIN 85. AB - NADPH oxidases are key components of redox-dependent signaling networks involved in the controlof cancer cell proliferation, survival and invasion. The data have been accumulated that demonstrate specificexpression patterns and levels of NADPH oxidase homologues (NOXs) and accessory genes in human cancercell lines and primary tumors as well as modulation of these parameters by extracellular cues. Our previousstudies revealed that ROS production by human colorectal adenocarcinoma HT-29 cells is positively correlatedwith adaptor protein Ruk/CIN85 expression while increased levels of Ruk/CIN85 in weakly invasive humanbreast adenocarcinoma MC F-7 cells contribute to their malignant phenotype through the constitutiveactivation of Src/Akt pathway. In this study, to investigate whether overexpression of Ruk/CIN85 in MC F-7cells can influence transcriptional regulation of NOXs genes, the subclones of MCF-7 cells with differentlevels of Ruk/CIN85 were screened for NOX1, NOX2, NOX3, NOX4, NOX5, DUOX1 and DUOX2 as well as forregulatory subunit p22Phox mRNA contents by quantitative RT-PCR (qPCR). Systemic multidirectional changesin mRNA levels for NOX1, NOX2, NOX5, DUOX2 and p22Phox were revealed in Ruk/CIN85 overexpressingcells in comparison to control WT cells. Knocking down of Ruk/CIN85 using technology of RNA-interferenceresulted in the reversion of these changes. Further studies are necessary to elucidate, by which molecularmechanisms Ruk/CIN85 could affect transcriptional regulation of NOXs genes. PMID- 29227595 TI - [Analysis of inventive activity of the department of vitamin and coenzyme biochemistry of Palladin Institute of Biochemistry NAS of Ukraine in the period of 1980-2015]. PMID- 29227596 TI - The inhibitory influence of calix[4]Arene of C-90 on the activity of Ca2+,Mg2+ ATPases in plasma membrane and sarcoplasmic reticulum in myometrium cells. AB - Our study on the plasma membrane vesicles and myometrium cells treated with 0.1% digitonin showedthat inhibitory effect of calix[4]arene C-90 (5,11,17,23 tetra(trifluoro)methyl(phenylsulphonylimino)-methylamino-25,26,27,28-tetrapropoxy calix[4]arene) on the plasma membrane Ca2+,Mg2+-ATPase was more significantthan on the Ca2+,Mg2+-ATPase in sarcoplasmic reticulum (the inhibition coefficient I0.5 values were20.2 +/- 0.5 MUM and 57.0 +/- 1.4 MUM for the plasma membrane Ca2+,Mg2+-ATPase and Ca2+,Mg2+-ATPase insarcoplasmic reticulum, respectively (n = 5)). Inhibition kinetics of calix[4]arene C-90 effect on the Ca2+,Mg2+-ATPase activities in plasma membrane and sarcoplasmic reticulum were studied. This substance inhibitedboth pumps as complete noncompetitive inhibitor. Calix[4]arene C-90 caused the increase of intracellularCa2+ concentration and decrease of hydrodynamic diameter in smooth muscle cells similar to the action ofuterotonic drug oxytocin. PMID- 29227597 TI - Effect of fibrin degradation products on fibrinolytic process. AB - Fibrin clot lysis by plasminogen/plasmin system results in fibrin degradation products formation withsubsequent release into bloodstream. The fragments contain specific binding sites for fibrinolytic system componentsand can interact with them. In this study, we investigated the way in which fibrin fragments effectfibrinolytic process. We have shown that high molecular weight products of fibrin degradation and fibrin fragmentsof DDE-complex and DD, but not end product E3, stimulate plasmin formation. Additionally, componentsof DDE-complex mixture of fragments E1 and E2 have potentiation ability. The intermediate fibrin fragmentshmFDPs and DDE attenuate clot lysis by plasmin and hmFDPs protect plasmin from alpha2-antiplasmininhibition but under further fragmentation to endpoint fibrin fragments loose this ability. The plasma inhibitorsreduce fibrinolytic system activity generated by the degradation products. Thus, fibrin fragments formedduring the clot lysis can bind and move out fibrinolytic system components from clot volume and in this wayresult in clot resistance to hydrolysis. PMID- 29227598 TI - Event Medicine: Pearls and pitfalls of managing mass gatherings. PMID- 29227599 TI - Inhibition of IRE1 modifies the hypoxic regulation of GADD family gene expressions in U87 glioma cells. AB - We have studied hypoxic regulation of the expression of genes encoded GADD (growth arrest and DNAdamage) family proteins in U87 glioma cells in relation to inhibition of IRE1 (inositol requiring enzyme-1),which controls cell proliferation and tumor growth as a central mediator of endoplasmic reticulum stress.We have shown that hypoxia up-regulates the expression of GADD34, GADD45A, GADD45B, and GADD153genes, which are related to cell proliferation and apoptosis, in control (transfected by empty vector) gliomacells in gene specific manner. At the same time, the expression level of EIF2AK 1 (eukaryotic translation initiationfactor 2-alpha kinase 1) and AI FM1 (apoptosis inducing factor, mitochondria associated 1) genes inthese cells is down-regulated upon hypoxic condition. It was also shown that inhibition of IRE1 signaling enzymefunction in U87 glioma cells enhances the effect of hypoxia on these genes expression, except EIF2AK 1and AI FM1 genes. Furthermore, the expression of all studied genes in IRE1 knockdown cells is significantlydecreased upon normoxic condition, except GADD45B gene, which expression level is strongly up-regulated.Therefore, the expression level of genes encoding GADD34, GADD45A, GADD45B, GADD153, EIF2AK 1, andAI FM1 is affected by hypoxia and by inhibition of IRE1-mediated endoplasmic reticulum stress signaling ingene specific manner and correlates with suppression of glioma cell proliferation upon inhibition of the IRE1enzyme function. PMID- 29227601 TI - Clean it Up: Strategies for keeping you and your patients infection-free. PMID- 29227600 TI - Cardiovascular disease among patients with type 2 diabetes: Role of Homocysteine as an inflammatory marker. AB - It is known that inflammation has a role in the pathogenesis of cardiovascular diseases; measurementof inflammatory markers improves the risk prediction of cardiovascular diseases. Hyperhomocysteinemia hasbeen correlated with the occurrence of blood clots, heart attacks and strokes; though it is unclear whetherhyperhomocysteinemia is an independent risk factor for these conditions. In the present study, we aimed toevaluate the role of homocysteine in type 2 diabetes patients with cardiovascular disease in a populationof Madhya Pradesh India. Total 100 type 2 diabetes patients were included in the study, of these 50 hadangiographically proven cardiovascular disease and 50 had no evidence of it. High sensitivity C-reactiveprotein, fibrinogen, and lipoprotein (a) were measured in serum. Homocysteine, blood glucose in plasma,erythrocyte sedimentation rate, glycated haemoglobin were measured in whole blood. A albumin excretionrate, creatinine clearance rate were measured in the urine sample for renal function. It was shown that,levels of homocysteine and other inflammatory markers were elevated significantly in the group II (n = 50).A correlation between hyperhomocysteinemia and inflammatory markers in patients with impaired renalfunction was observed. It was concluded that impairment of renal function is a key factor that affectshomocysteine level. PMID- 29227602 TI - Effects of the combined arginase and canavanine treatment on leukemic cells in vitro and in vivo. AB - It was previously demonstrated in in vitro experiments that canavanine (Cav), a natural toxic arginineanalogue of plant origin, is a promising candidate for augmenting the antineoplastic effects of argininestarvation. We demonstrated herein that recombinant human arginase, an arginine degrading enzyme,abrogated growth and significantly increased Cav cytotoxicity toward cultured L1210 murine leukemic cells.Cav co-treatment further reduced cells viability in a time dependent manner and significantly promotedapoptosis induction. In the pilot study we also evaluated for the first time the potential toxicity of the combinedarginine deprivation and Cav treatment in healthy mice. Administration of Cav alone or in combinationwith pegylated cobalt-containing human arginase (Co hARG) did not evoke any apparent toxic effects inthese animals, with no significant behavioural and survival changes after several weeks of the treatment.The therapeutic effects of the combination of Co-hARG and Cav were provisionally evaluated on the highlyaggressive murine L1210 leukemia, which is semi-sensitive to arginine deprivation as a monotreatment.Combination of two drugs did not result in significant prolongation of the survival of leukemia bearing mice.Thus, we have shown that the proposed combinational treatment is rather non-toxic for the animals. It hasto be further evaluated in animal studies with alternative tumor models and/or drug doses and treatmentmodalities. PMID- 29227605 TI - Level of overall hemostasis potential in donor and patient plasma in pathology. AB - Coagulation potential (CP), overall hemostasis potential (OHP) and fibrinolysis potential (FP) inplasma of donors and patients with myocardial infarction (MI), stroke (St) and hip joint diseases (HJD) havebeen investigated using M. Blomback's global hemostasis assay. Plasma samples of the patients were analyzedwith APTT reagent in the presence or absence of t-PA. It was found that the ratio of values of SP, OHPand FP in plasma of patients to those of donors plasma were 78, 60 and 123% at MI; 157, 155 and 162% atSt; 128, 131 and 124% at HJD. CP to FP ratio that indicated balance between coagulation and fibrinolyticsystems activities were 4.13, 2.5, 4.0 and 4.26 in plasma of donors and MI, St and HJD patients, respectively.These results are evidence of increased fibrinolytic activity in plasma of MI patients. Lag-periods of plasmaclotting of MI, St and HJD patients were prolonged by 2.3, 7.2 and 1.5-fold, respectively. Pearson's correlationanalysis between parameters, obtained in vitro studies using global hemostasis assay, and concentrationsof the molecular markers (soluble fibrin and D-dimer), which formed in vivo in plasma of MI, St and HJDpatients, did not reveal any relationship between them. PMID- 29227606 TI - Peculiarities of the free radical processes in rat liver mitochondria under toxic hepatitis on the background of alimentary protein deficiency. AB - The rate of superoxide anion radical, hydroxyl radical and hydrogen peroxide generation, the levelof oxidative modification of mitochondrial proteins in the liver of rats with toxic hepatitis was investigated onthe background of alimentary protein deficiency. We did not find significant increases of the intensity of freeradical processes in liver mitochondria of rats maintained on the protein-deficient ration. The most significantintensification of free radical processes in liver mitochondria is observed under the conditions of toxic hepatitis,induced on the background of alimentary protein deprivation. Under these conditions the aggravation ofall studied forms of reactive oxygen species generation was observed in liver mitochondria. The generationrates were increased as follows: O2 - by 1.7 times, N2O2 - by 1.5 times, *ON - practically double on the backgroundof accumulation of oxidized mitochondria-derived proteins. The established changes in thiol groups'redox status of respiratory chain proteins insoluble in 0.05 M sodium-phosphate buffer (pH 11.5), and changesof their carbonyl derivatives content may be considered as one of the regulatory factors of mitochondrialenergy-generating function. PMID- 29227607 TI - Assessing O2 Saturation: The how, what and why of pulse oximetry. PMID- 29227608 TI - Physical-chemical properties and the reactivity of pyridoxine and pyrrolidone carboxylate and their protolytic forms. AB - Preparation Methadoxine is equimolar salt, which cationic component (pyridoxine) is 3-oxypyridinederivative, possessing B6-vitamine like activity, while anionic component is the cyclic lactame of glutamicacid. Since biopharmaceutical and pharmacological properties of this drug depend on biochemical transformationits components, of the aim of this work was to determine the structure of possible ionized pyridoxineand pyrrolidone carboxylate forms and their reaction ability in biochemical processes. Physical-chemicalproperties of compounds (pKa, logP, logD, proton donor/acceptor quantity, solubility (g/l)) were calculatedwith ACD/pKaDB program or obtained from Pub-Med physical/chemical properties database. UV spectra ofcompounds were obtained after dissolution in different pH solutions (1.0, 4.5 and 6.8). It was found that at differentpH values one can observe changes of the absorption spectra due to the presence of prevailing amountof the protonated form. An analysis of both pKa, logP and logD indicators and reactive functional groups ofMethadoxine components has revealed that they can be protonated in different regions of gastro-intestinaltract, that influences their solubility in hydrophilic and lypophilic media. Pharmacological properties of pyridoxineand pyrrolidone carboxylate themselves are performed after their preliminary biotransformation toactive metabolites. Only ionic interaction between Methadoxine components in the substance composition canappear, that provides its pharmaceutical stability and ensures its activity only in the organism conditions. PMID- 29227609 TI - The effect of chlorpyrifos upon ATPase activity of sarcoplasmic reticulum and biomechanics of skeleta l muscle contraction. AB - We investigated the effect of chlorpyrifos, an organophosphate insecticide, on Ca2+,Mg2+-ATPaseactivity of sarcoplasmic reticulum and on contraction dynamics (force and length changes) of Rana temporariam. tibialis anterior muscle fiber bundles. All of the used concentrations of chlorpyrifos (10-6 to 10-5 M) causeddecrease of Ca2+,Mg2+-ATPase activity. The inhibition of Ca2+,Mg2+-ATPase activity by chlorpyriphos inconcentrations of 10-6 M to 7.5.10-6 M is due to permeation of sarcoplasmic reticulum rather than due todirect enzyme inhibition by organophosphate insecticides. The inhibitory properties of the compound werehigher at increased concentration and exposure timeframes. Chlorpyrifos in concentration range of 10-6to 7.5.10-6 M causes changes in muscle fiber response force that were more pronounced than changes incontractile length. We demonstrated inhibition of Ca2+,Mg2+-ATPase activity caused by noncholinergiceffects of chlorpyriphos. It is possible to conclude that influence of organophosphate insecticides happensnot only in the neuromuscular transmission but also on the level of subcellular structures. PMID- 29227610 TI - Gene expression of H+-pumps in plasma and vacuolar membranes of corn root cells under the effect of sodium ions and bioactive preparations. AB - Four isoforms of H+-ATPase of plasma membrane: MHA1, MHA2, MHA3, MHA4 are expressed inthe corn seedling roots with prevalence of genes MHA3 i MHA4. The exposure of seedlings in the presenceof 0.1 M NaCl activated the expression of MHA4 gene isoform, that demonstrates its important role in theprocesses of adaptation to salinization conditions. In vacuolar membrane, where potential is created bytwo N+-pumps, sodium ions activated gene expression of only N+-ATRase of V-type, taking no effect on theexpression of N+-pyrophosphatase. The seeds pretreatment by synthetic preparations Methyure and Ivine didnot affect gene expression of N+-pumps. Thus we can suppose that the ability of the above preparations toactivate functioning of N+-pumps in the presence of sodium ions is realized at the post-tranlation level. PMID- 29227612 TI - Dead Heat: Treating exertional heat stroke is a race against time and temperature. PMID- 29227611 TI - Cytochrome P450 2E1 participation in the pathogenesis of experimental metabolic syndrome in guinea pigs. AB - In this work the experimental metabolic syndrome on the basis of protamine sulfate modeling inguinea pigs was reproduced and pathological processes in the liver of experimental animals were studied.We determined the level of free radicals and markers of liver damage in the blood of experimental animals.We investigated the liver glycogen content and K+,Na+-ATPase activity in the liver of experimental animalsas well as measured the cytochrome P450 2E1 (CY P2E1) expression - one of the main factors of oxidativestress. Evidence of development of hepatotoxic processes, increasing of the CY P2E1 level as well as of thefree radical level in the animals with metabolic syndrome were found. Using of CY P2E1 inhibitors had shownthat the free radical level in the blood of experimental animals depended on the level of the enzyme expressionand activity. The obtained results suggest that the changes in the CY P2E1 expression play an importantrole in the development of hepatotoxic processes upon experimental metabolic syndrome. It was assumed thatpharmacological correction of the enzyme expression may be an important mechanism for the influence onthe metabolic syndrome clinical course. PMID- 29227614 TI - Hands On: Product Reviews From Street Crews. PMID- 29227613 TI - [Inventive activity of the Department of Protein Structure and Function of the Palladin Institute of Biochemistry of NAS of Ukraine. Part I. Development of the diagnostic methods for detection of hemostasis disorders and characterization of certain blood coagulation factors]. PMID- 29227615 TI - Clinical Errors: Identifying and learning from mistakes in patient care. PMID- 29227616 TI - Last Word: The Ups and Downs of EMS. PMID- 29227617 TI - Electrochemical Interphases for High-Energy Storage Using Reactive Metal Anodes. AB - Stable electrochemical interphases play a critical role in regulating transport of mass and charge in all electrochemical energy storage (EES) systems. In state of-the-art rechargeable lithium ion batteries, they are rarely formed by design but instead spontaneously emerge from electrochemical degradation of electrolyte and electrode components. High-energy secondary batteries that utilize reactive metal anodes (e.g., Li, Na, Si, Sn, Al) to store large amounts of charge by alloying and/or electrodeposition reactions introduce fundamental challenges that require rational design in order to stabilize the interphases. Chemical instability of the electrodes in contact with electrolytes, morphological instability of the metal-electrolyte interface upon plating and stripping, and hydrodynamic-instability-induced electroconvection of the electrolyte at high currents are all known to cause metal electrode-electrolyte interfaces to continuously evolve in morphology, uniformity, and composition. Additionally, metal anodes undergo large changes in volume during lithiation and delithiation, which means that even in the rare cases where spontaneously formed solid electrode-electrolyte interphases (SEIs) are in thermodynamic equilibrium with the electrode, the SEI is under dynamic strain, which inevitably leads to cracking and/or rupture during extended battery cycling. There is an urgent need for interphases that are able to overcome each of these sources of instability with minimal losses of electrolyte and electrode components. Complementary chemical synthesis strategies are likewise urgently needed to create self-limited and mechanically durable SEIs that are able to flex and shrink to accommodate volume change. These needs are acute for practically relevant cells that cannot utilize large excesses of anode and electrolyte as employed in proof-of-concept type experiments reported in the scientific literature. This disconnect between practical needs and research practices makes it difficult to translate promising literature results, underscoring the importance of research designed to reveal principles for good interphase design. This Account considers the fundamental processes involved in interphase formation, stability, and failure and on that basis identifies design principles, synthesis procedures, and characterization methods for enabling stable metal anode-electrolyte interfaces for EES. We first review results from experimental, continuum theoretical, and computational analyses of interfacial transport to identify fundamental connections between the composition of the SEI at metal-electrolyte interfaces and stability. Design principles and tools for creating stable artificial solid-electrolyte interphases (ASEIs) based on polymers, ionic liquids, ceramics, nanoparticles, salts, and their combinations are subsequently discussed. Interphases composed of a second electrochemically active material that stores charge by different processes from the underlying metal electrode emerge as particularly attractive routes toward so called hybrid electrodes that enable facile scale-up of ASEI designs for commercially relevant EES. PMID- 29227618 TI - Tackling the Challenges of Dynamic Experiments Using Liquid-Cell Transmission Electron Microscopy. AB - Revolutions in science and engineering frequently result from the development, and wide adoption, of a new, powerful characterization or imaging technique. Beginning with the first glass lenses and telescopes in astronomy, to the development of visual-light microscopy, staining techniques, confocal microscopy, and fluorescence super-resolution microscopy in biology, and most recently aberration-corrected, cryogenic, and ultrafast (4D) electron microscopy, X-ray microscopy, and scanning probe microscopy in nanoscience. Through these developments, our perception and understanding of the physical nature of matter at length-scales beyond ordinary perception have been fundamentally transformed. Despite this progression in microscopy, techniques for observing nanoscale chemical processes and solvated/hydrated systems are limited, as the necessary spatial and temporal resolution presents significant technical challenges. However, the standard reliance on indirect or bulk phase characterization of nanoscale samples in liquids is undergoing a shift in recent times with the realization ( Williamson et al. Nat. Mater . 2003 , 2 , 532 - 536 ) of liquid cell (scanning) transmission electron microscopy, LC(S)TEM, where picoliters of solution are hermetically sealed between electron-transparent "windows," which can be directly imaged or videoed at the nanoscale using conventional transmission electron microscopes. This Account seeks to open a discussion on the topic of standardizing strategies for conducting imaging experiments with a view to characterizing dynamics and motion of nanoscale materials. This is a challenge that could be described by critics and proponents alike, as analogous to doing chemistry in a lightning storm; where the nature of the solution, the nanomaterial, and the dynamic behaviors are all potentially subject to artifactual influence by the very act of our observation. PMID- 29227620 TI - Nano Ag/ZnO-Incorporated Hydroxyapatite Composite Coatings: Highly Effective Infection Prevention and Excellent Osteointegration. AB - Interfacial characteristics play an important role in infection prevention and osteointegration of artificial bone implants. In this work, both Ag nanoparticles (AgNPs) and ZnO NPs are incorporated into hydroxyapatite (HA) nanopowders and deposited onto Ti6Al4V (Ti6) implants by laser cladding. The composite coatings possess a hierarchical surface structure with homogeneous distributions of Ag and ZnO. The Ag and ZnO NPs that are immobilized by laser cladding ensure long-term and gradual release of Ag and Zn ions at low cumulative concentrations of 36.2 and 56.4 MUg/L after immersion for 21 days. A large concentration of Ag released initially increases the cytotoxicity but the large initial ZnO content enhances the cell viability and osteogenetic ability. The nano Ag/ZnO-embedded HA coating (Ag/ZnO/HA = 7:3:90 wt %, namely Ag7ZnO3HA) exhibits optimal antibacterial efficacy and osteogenetic capability, as exemplified by the broad spectrum antibacterial efficacy of 96.5 and 85.8% against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), respectively, together with enhanced osteoinductivity with higher alkaline phosphatase (ALP) activity of 134.60 U/g protein compared to 70.79 U/g protein for the untreated implants after culturing for 7 days. The rabbit femoral implant model further confirms that the optimized composite coating accelerates the formation of new bone tissues indicating 87.15% of the newly formed bone area and osteointegration showing 83.75% of the bone implant contact area even in the presence of injected S. aureus. The laser cladded Ag7ZnO3HA composite coatings are promising metallic implants with excellent intrinsic antibacterial activity and osteointegration ability. PMID- 29227619 TI - Small Molecule Chelators Reveal That Iron Starvation Inhibits Late Stages of Bacterial Cytokinesis. AB - Bacterial cell division requires identification of the division site, assembly of the division machinery, and constriction of the cell envelope. These processes are regulated in response to several cellular and environmental signals. Here, we use small molecule iron chelators to characterize the surprising connections between bacterial iron homeostasis and cell division. We demonstrate that iron starvation downregulates the transcription of genes encoding proteins involved in cell division, reduces protein biosynthesis, and prevents correct positioning of the division machinery at the division site. These combined events arrest the constriction of the cell during late stages of cytokinesis in a manner distinct from known mechanisms of inhibiting cell division. Overexpression of genes encoding cell division proteins or iron transporters partially suppresses the biological activity of iron chelators and restores growth and division. We propose a model demonstrating the effect of iron availability on the regulatory mechanisms coordinating division in response to the nutritional state of the cell. PMID- 29227621 TI - Facet-Dependent Electrical, Photocatalytic, and Optical Properties of Semiconductor Crystals and Their Implications for Applications. AB - Recent studies on the electrical conductivity and photocatalytic activity properties of semiconductor nanocrystals such as Cu2O, Ag2O, TiO2, PbS, and Ag3PO4 exposing well-defined surfaces have revealed strong facet effects. For example, the electrical conductivity of Cu2O crystals can vary from highly conductive to nonconductive, and they can be highly photocatalytically active or inactive depending on the exposed faces. The crystal surfaces can even tune their light absorption wavelengths. Our understanding is that the emergence of these unusual phenomena can be explained in terms of the presence of an ultrathin surface layer having different band structures and degrees of band bending for different surfaces, which affects charge transport and photons into and out of the crystals. This review uses primarily results from our research on this frontier area of semiconductor properties to illustrate the existence of semiconductor facet effects. A simple adjustment to normal semiconductor band diagram allows good understanding of the observed phenomena. Recognizing that facet-dependent behaviors are intrinsic semiconductor properties, we should pay attention to their influence in the explanation of the measured photocatalytic properties, and consider ways to enhance photocatalytic efficiency or design electrical components utilizing the facet effects. There should be many opportunities to advance applications of semiconductor nanocrystals and nanostructures with continued research on the facet-dependent properties of various semiconductor materials. PMID- 29227622 TI - N-Doped Graphene Quantum Dots-Decorated V2O5 Nanosheet for Fluorescence Turn Off On Detection of Cysteine. AB - The development of a fast-response sensing technique for detection of cysteine can provide an analytical platform for prescreening of disease. Herein, we have developed a fluorescence turn off-on fluorescence sensing platform by combining nitrogen-doped graphene quantum dots (N-GQDs) with V2O5 nanosheets for the sensitive and selective detection of cysteine in human serum samples. V2O5 nanosheets with 2-4 layers are successfully synthesized via a simple and scalable liquid exfoliation method and then deposited with 2-8 nm of N-GQDs as the fluorescence turn off-on nanoprobe for effective detection of cysteine in human serum samples. The V2O5 nanosheets serve as both fluorescence quencher and cysteine recognizer in the sensing platform. The fluorescence intensity of N-GQDs with quantum yield of 0.34 can be quenched after attachment onto V2O5 nanosheets. The addition of cysteine triggers the reduction of V2O5 to V4+ as well as the release of N-GQDs within 4 min, resulting in the recovery of fluorescence intensity for the turn off-on detection of cysteine. The sensing platform exhibits a two-stage linear response to cysteine in the concentration range of 0.1-15 and 15-125 MUM at pH 6.5, and the limit of detection is 50 nM. The fluorescence response of N-GQD@V2O5 exhibits high selectivity toward cysteine over other 22 electrolytes and biomolecules. Moreover, this promising platform is successfully applied in detection of cysteine in human serum samples with excellent recovery of (95 +/- 3.8) - (108 +/- 2.4)%. These results clearly demonstrate a newly developed redox reaction-based nanosensing platform using N GQD@V2O5 nanocomposites as the sensing probe for cysteine-associated disease monitoring and diagnosis in biomedical applications, which can open an avenue for the development of high performance and robust sensing probes to detect organic metabolites. PMID- 29227623 TI - Virtual Out-of-Plane Piezoelectric Response in MoS2 Layers Controlled by Ferroelectric Polarization. AB - The MoS2 carrier distribution can be controlled with the use of a dielectric environment substrate. Ferroelectric thin films are used to investigate the electrical responses at the MoS2 layer. The MoS2/(111)-PbTiO3 vertical heterostructure is investigated, and the electrical responses, including piezoelectricity, are obtained using piezoresponse force microscopy. The piezoelectric response modifications obtained at the MoS2 layer on the ferroelectric thin films are a result of the depolarizing effect. In particular, the piezoelectricity enhancement is observed at the 19-layer MoS2 because of an induced dipole effect. By considering the polarization effects of ferroelectric thin films, the electrical responses at the MoS2 layers can be controlled, and the interfacial carrier distribution at the interface results in different electrical performances at the MoS2. PMID- 29227624 TI - Deliberately Designed Atomic-Level Silver-Containing Interface Results in Improved Rate Capability and Utilization of Silver Hollandite for Lithium-Ion Storage. AB - alpha-MnO2-structured materials are generally classified as semiconductors; thus, we present a strategy to increase electrochemical utilization through the design of a conductive material interface. Surface treatment of silver hollandite (AgxMn8O16) with Ag+ (Ag2O) provides significant benefits to the resultant electrochemistry, including a decreased charge-transfer resistance and a 2-fold increase in deliverable energy density at a high rate. The improved function of this designed interface relative to conventional electrode fabrication strategies is highlighted. PMID- 29227626 TI - Cellular Bioparticulates with Therapeutics for Cancer Immunotherapy. AB - Cancer immunotherapy has received considerable attention because of a variety of exciting clinical outcomes in recent years. At the interface of cancer immunotherapy and bioengineering, there are many opportunities to further improve the treatment efficacy or address current challenges in immunotherapy. Cellular bioparticulates as promising carriers of immunomodulators have attracted much attention due to their inherent biocompatibility and unique biological properties. This Topical Review highlights recently reported studies utilizing bioparticulates for cancer immunotherapy, including engineered red blood cells (RBC) and RBC membrane coated particles, engineered T-cells, engineered platelets, and engineered microbes. PMID- 29227625 TI - Genetic Reduction or Negative Modulation of mGlu7 Does Not Impact Anxiety and Fear Learning Phenotypes in a Mouse Model of MECP2 Duplication Syndrome. AB - Rett syndrome and MECP2 Duplication syndrome are neurodevelopmental disorders attributed to loss-of-function mutations in, or duplication of, the gene encoding methyl-CpG-binding protein 2 (MeCP2), respectively. We recently reported decreased expression and function of the metabotropic glutamate receptor 7 (mGlu7) in a mouse model of Rett syndrome. Positive allosteric modulation of mGlu7 activity was sufficient to improve several disease phenotypes including cognition. Here, we tested the hypothesis that mGlu7 expression would be reciprocally regulated in a mouse model of MECP2 Duplication syndrome, such that negative modulation of mGlu7 activity would exert therapeutic benefit. To the contrary, we report that mGlu7 is not functionally increased in mice overexpressing MeCP2 and that neither genetic nor pharmacological reduction of mGlu7 activity impacts phenotypes that are antiparallel to those observed in Rett syndrome model mice. These data expand our understanding of how mGlu7 expression and function is affected by changes in MeCP2 dosage and have important implications for the therapeutic development of mGlu7 modulators. PMID- 29227627 TI - Correction to Exploiting Particle Mutual Interactions to Enable Challenging Dielectrophoretic Processes. PMID- 29227628 TI - Metabolic Measurements of Nonpermeating Compounds in Live Cells Using Hyperpolarized NMR. AB - Hyperpolarization by dissolution dynamic nuclear polarization (D-DNP) has emerged as a technique for enhancing NMR signals by several orders of magnitude, thereby facilitating the characterization of metabolic pathways both in vivo and in vitro. Following the introduction of an externally hyperpolarized compound, real time NMR enables the measurement of metabolic flux in the corresponding pathway. Spin relaxation however limits the maximum experimental time and prevents the use of this method with compounds exhibiting slow membrane transport rates. Here, we demonstrate that on-line electroporation can serve as a method for membrane permeabilization for use with D-DNP in cell cultures. An electroporation apparatus hyphenated with stopped-flow sample injection permits the introduction of the hyperpolarized metabolite within 3 s after the electrical pulse. In yeast cells that do not readily take up pyruvate, the addition of the electroporation pulse to the D-DNP experiment increases the signals of the downstream metabolic products CO2 and HCO3-, which otherwise are near the detection limit, by 8.2- and 8.6-fold. Modeling of the time dependence of these signals then permits the determination of the respective kinetic rate constants. The observed conversion rate from pyruvate to CO2 normalized for cell density was found to increase by a factor of 12 due to the alleviation of the membrane transport limitation. The use of electroporation therefore extends the applicability of D-DNP to in vitro studies with a wider range of metabolites and at the same time reduces the influence of membrane transport on the observed conversion rates. PMID- 29227629 TI - Neutral and Cationic Zirconium Complexes Bearing Multidentate Aminophenolato Ligands for Hydrophosphination Reactions of Alkenes and Heterocumulenes. AB - Zirconium complexes supported by multidentate aminophenolato ligands were synthesized and characterized. The catalytic activities of neutral zirconium complexes and their cationic derivatives in the hydrophosphination of alkenes as well as heterocumulenes have been investigated and compared. Neutral complex 1 bearing a multidentate amino mono(phenolato) ligand exhibited high activity in hydrophosphination of simple alkenes, and anti-Markovnikov products were obtained in 37-94% yields at room temperature. Cationic species generated in situ from complex 3 stabilized by a bis(phenolato) ligand were found to be more active for hydrophosphination of heterocumulenes, i.e., carbodiimides and isocyanates, and gave phosphaguanidines and phosphaureas in 67-93% yields. The Lewis acidity and coordination space of metal centers are modified through changes in the ligand structure, which is found to significantly influence catalytic activity. These complexes are among the most active group 4 metal-based catalysts for hydrophosphination reactions. PMID- 29227630 TI - Correction to Structural Effects of Single Mutations in a Filamentous Viral Capsid Across Multiple Length Scales. PMID- 29227631 TI - Helium Ion Microscopy for Imaging and Quantifying Porosity at the Nanoscale. AB - Nanoporous materials are key components in a vast number of applications from energy to drug delivery and to agriculture. However, the number of ways to analytically quantify the salient features of these materials, for example: surface structure, pore shape, and size, remain limited. The most common approach is gas absorption, where volumetric gas absorption and desorption are measured. This technique has some fundamental drawbacks such as low sample throughput and a lack of direct surface visualization. In this work, we demonstrate Helium Ion Microscopy (HIM) as a tool for imaging and quantification of pores in industrially relevant SiO2 catalyst supports. We start with the fundamental principles of ion-sample interaction, and build on this knowledge to experimentally observe and quantify surface pores by using the HIM and image data analytics. We contrast our experimental results to gas absorption and demonstrate full statistical agreement between two techniques. The principles behind the theoretical, experimental, and analytical framework presented herein offer an automated framework for visualization and quantification of pore structures in a wide variety of materials. PMID- 29227632 TI - Soluble Molecularly Imprinted Polymer-Based Potentiometric Sensor for Determination of Bisphenol AF. AB - Molecularly imprinted polymer (MIP)-based polymeric membrane potentiometric sensors have been successfully developed for determination of organic compounds in their ionic and neutral forms. However, most of the MIP receptors in potentiometric sensors developed so far are insoluble and cannot be well dissolved in the polymeric membranes. The heterogeneous molecular recognitions between the analytes and MIPs in the membranes are inefficient due to the less available binding sites of the MIPs. Herein we describe a novel polymeric membrane potentiometric sensor using a soluble MIP (s-MIP) as a receptor. The s MIP is synthesized by the swelling of the traditional MIP at a high temperature. The obtained MIP can be dissolved in the plasticized polymeric membrane for homogeneous binding of the imprinted polymer to the target molecules. By using neutral bisphenol AF as a model, the proposed method exhibits an improved sensitivity compared to the conventional MIP-based sensor with a lower detection limit of 60 nM. Moreover, the present sensor exhibits an excellent selectivity over other phenols. We believe that s-MIPs can provide an appealing substitute for the traditional insoluble MIP receptors in the development of polymeric membrane-based electrochemical and optical sensors. PMID- 29227633 TI - A Distal Loop Controls Product Release and Chemo- and Regioselectivity in Cytochrome P450 Decarboxylases. AB - Cytochrome P450 OleT utilizes hydrogen peroxide (H2O2) to catalyze the decarboxylation or hydroxylation of fatty acid (FA) substrates. Both reactions are initiated through the abstraction of a substrate hydrogen atom by the high valent iron-oxo intermediate known as Compound I. Here, we specifically probe the influence of substrate coordination on OleT reaction partitioning through the combined use of fluorescent and electron paramagnetic resonance (EPR)-active FA probes and mutagenesis of a structurally disordered F-G loop that is distal from the heme-iron active site. Both probes are efficiently metabolized by OleT and efficiently trigger the formation of Compound I. Transient fluorescence and EPR reveal a slow product release step, mediated by the F-G loop, that limits OleT turnover. A single-amino acid change or excision of the loop reveals that this region establishes critical interactions to anchor FA substrates in place. The stabilization afforded by the F-G loop is essential for regulating regiospecific C-H abstraction and allowing for efficient decarboxylation to occur. These results highlight a regulatory strategy whereby the fate of activated oxygen species can be controlled at distances far removed from the site of chemistry. PMID- 29227634 TI - Release of Particulate Iron Sulfide during Shale-Fluid Interaction. AB - During hydraulic fracturing, a technique often used to extract hydrocarbons from shales, large volumes of water are injected into the subsurface. Although the injected fluid typically contains various reagents, it can become further contaminated by interaction with minerals present in the rocks. Pyrite, which is common in organic-rich shales, is a potential source of toxic elements, including arsenic and lead, and it is generally thought that for these elements to become mobilized, pyrite must first dissolve. Here, we use atomic force microscopy and environmental scanning electron microscopy to show that during fluid-rock interaction, the dissolution of carbonate minerals in Eagle Ford shale leads to the physical detachment, and mobilization, of embedded pyrite grains. In experiments carried out over a range of pH, salinity, and temperature we found that in all cases pyrite particles became detached from the shale surfaces. On average, the amount of pyrite detached was equivalent to 6.5 * 10-11 mol m-2 s-1, which is over an order of magnitude greater than the rate of pyrite oxidation expected under similar conditions. This result suggests that mechanical detachment of pyrite grains could be an important pathway for the mobilization of arsenic in hydraulic fracturing operations and in groundwater systems containing shales. PMID- 29227635 TI - Small Bioactive Peptides for Biomaterials Design and Therapeutics. AB - This review is aimed to provide a concise yet extensive survey of key short bioactive peptide sequences for a range of applications ranging from biomaterials development to peptides with therapeutic uses. The following are considered: cell adhesion motifs, structural peptides, cell-penetrating and tumor-homing peptides, antimicrobial peptides, peptide hormones, growth factors and matrix metalloprotease substrates, neuropeptides, amyloid peptides, antioxidant peptides, peptide affinity tags, anticancer peptides, and others. This review provides a convenient resource, summarizing a broad range of important sequences with great utility as a resource concerning both small peptide drugs and also novel biofunctional peptide-based materials. PMID- 29227636 TI - Strategies To Assemble Catenanes with Multiple Interlocked Macrocycles. AB - As a major class of mechanically interlocked molecules, not only are catenanes topologically intriguing targets that challenge the chemical synthesis to the efficient formation of mechanical bonds, but also the mechanical properties arising from the topology offer unique and attractive features for the development of novel functional molecular materials. Despite advancements in templated methods for different types of interlocked architectures, [ n]catenane possessing multiple numbers of interlocked macrocycles still remains a difficult synthetic target with very few reported examples. If the unique mechanical properties of catenanes are to be fully exploited, reliable, controllable, and efficient strategies for accessing [ n]catenanes will be necessary. In this Viewpoint, challenges, considerations, and strategies to [ n]catenanes are discussed. PMID- 29227637 TI - Urban Organic Aerosol Exposure: Spatial Variations in Composition and Source Impacts. AB - We conducted a mobile sampling campaign in a historically industrialized terrain (Pittsburgh, PA) targeting spatial heterogeneity of organic aerosol. Thirty-six sampling sites were chosen based on stratification of traffic, industrial source density, and elevation. We collected organic carbon (OC) on quartz filters, quantified different OC components with thermal-optical analysis, and grouped them based on volatility in decreasing order (OC1, OC2, OC3, OC4, and pyrolyzed carbon (PC)). We compared our ambient OC concentrations (both gas and particle phase) to similar measurements from vehicle dynamometer tests, cooking emissions, biomass burning emissions, and a highway traffic tunnel. OC2 and OC3 loading on ambient filters showed a strong correlation with primary emissions while OC4 and PC were more spatially homogeneous. While we tested our hypothesis of OC2 and OC3 as markers of fresh source exposure for Pittsburgh, the relationship seemed to hold at a national level. Land use regression (LUR) models were developed for the OC fractions, and models had an average R2 of 0.64 (SD = 0.09). The paper demonstrates that OC2 and OC3 can be useful markers for fresh emissions, OC4 is a secondary OC indicator, and PC represents both biomass burning and secondary aerosol. People with higher OC exposure are likely inhaling more fresh OC2 and OC3, since secondary OC4 and PC varies much less drastically in space or with local primary sources. PMID- 29227638 TI - Byproduct-Free Intact Modification of Insulin by Cholesterol End-Modified Poly(ethylene glycol) for in Vivo Protein Delivery. AB - Insulin is a key peptide hormone used for the treatment of both type I and type II diabetes. To maximize the effect of the treatment of these diseases, the addition of poly(ethylene glycol) (PEGylation) methods for the insulin are widely developed. Here, to make these PEGylation methods the simplest, we report the byproduct-free intact modification of insulin by cholesterol end-modified poly(ethylene glycol) with urethane, propyl, and methoxy groups (that is, Chol-U Pr-mPEG). The noncovalent PEGylation by the Chol-U-Pr-mPEG has been achieved by the simple mixing of insulin with the Chol-U-Pr-mPEG in aqueous solution, followed by freeze-drying. The formation of the Chol-U-Pr-mPEG/insulin complex has proceeded without byproducts, such as N-hydroxysuccinimide, formed by the conventional covalent PEGylation using an active ester group. The byproduct-free PEGylation has preserved insulin conformation as well as primary structure. The intact PEGylation has protected insulin from hydrolysis by protease. The resulting insulin modified by the Chol-U-Pr-mPEG has sustainably suppressed the level of blood glucose, as compared to naked insulin, in mice. Consequently, the Chol-U-Pr-mPEG/insulin complex formation offers the byproduct-free intact PEGylation of insulin for in vivo protein delivery. PMID- 29227639 TI - Structural Behavior of Natural Silicate-Carbonate Spurrite Mineral, Ca5(SiO4)2(CO3), under High-Pressure, High-Temperature Conditions. AB - We report on high-pressure and high-temperature angle-dispersive synchrotron X ray diffraction and high-pressure Raman data up to 27 GPa and 700 K for natural silicate carbonate Ca5(SiO4)2(CO3) spurrite mineral. No phase transition was found in the studied P-T range. The room-temperature bulk modulus of spurrite using Ne as the pressure-transmitting medium is B0 = 77(1) GPa with a first pressure derivative of B0' = 5.9(2). The structure compression is highly anisotropic, the b axis being approximately 30% more compressible than the a and c axes. The volumetric thermal expansivity value around 8 GPa was estimated to be 4.1(3) * 10-5 K-1. A comparison with intimately related minerals CaCO3 calcite and aragonite and beta-Ca2SiO4 larnite shows that, as the composition and structural features of spurrite suggest, its compressibility and thermal expansivity lie between those of the silicate and carbonate end members. The crystal chemistry and thermodynamic properties of spurrite are discussed. PMID- 29227640 TI - Raman Spectroscopy Applied to Parathyroid Tissues: A New Diagnostic Tool to Discriminate Normal Tissue from Adenoma. AB - Primary hyperparathyroidism is an endocrine disorder characterized by autonomous production of parathyroid hormone. Patients with the symptomatic disease should be referred for parathyroidectomy. However, the distinction between the pathological condition and the benign one is very challenging in the surgical setting; therefore, accurate recognition is important to ensure success during minimally invasive surgery. At present, all intraoperative techniques significantly increase surgical time and, consequently, cost. In this proof-of concept study, Raman microscopy was used to differentiate between healthy parathyroid tissue and parathyroid adenoma from 18 patients. The data showed different spectroscopic features for the two main tissue types of healthy and adenoma. Moreover, the parathyroid adenoma subtypes (chief cells and oxyphil cells) were characterized by their own Raman spectra. The partial least-squares discriminant analysis (PLS-DA) model built to discriminate healthy from adenomatous parathyroid tissue was able to correctly classify all samples in the calibration and validation data sets, providing 100% prediction accuracy. The PLS DA model built to discriminate chief cell adenoma from oxyphil cell adenoma allowed us to correctly classify >99% of the spectra during calibration and cross validation and to correctly predict 100% of oxyphil and 99.8% of chief cells in the external validation data set. The results clearly demonstrate the great potential of Raman spectroscopy. The final goal would be development of a Raman portable fiber probe device for intraoperative optical biopsy, both to improve the surgical success rate and reduce surgical cost. PMID- 29227641 TI - Reversible and Sensitive Hg2+ Detection by a Cell-Permeable Ytterbium Complex. AB - A cell-permeable ytterbium complex shows reversible binding with Hg2+ in aqueous solution and in vitroby off-on visible and NIR emission. The fast response and 150 nM sensitivity of Hg2+ detection is based upon FRET and the lanthanide antenna effect. The reversible Hg2+ detection can be performed in vitro, and the binding mechanism is suggested by NMR employing the motif structure in a La complex and by DFT calculations. PMID- 29227642 TI - X-rays in the Cryo-Electron Microscopy Era: Structural Biology's Dynamic Future. AB - Over the past several years, single-particle cryo-electron microscopy (cryo-EM) has emerged as a leading method for elucidating macromolecular structures at near atomic resolution, rivaling even the established technique of X-ray crystallography. Cryo-EM is now able to probe proteins as small as hemoglobin (64 kDa) while avoiding the crystallization bottleneck entirely. The remarkable success of cryo-EM has called into question the continuing relevance of X-ray methods, particularly crystallography. To say that the future of structural biology is either cryo-EM or crystallography, however, would be misguided. Crystallography remains better suited to yield precise atomic coordinates of macromolecules under a few hundred kilodaltons in size, while the ability to probe larger, potentially more disordered assemblies is a distinct advantage of cryo-EM. Likewise, crystallography is better equipped to provide high-resolution dynamic information as a function of time, temperature, pressure, and other perturbations, whereas cryo-EM offers increasing insight into conformational and energy landscapes, particularly as algorithms to deconvolute conformational heterogeneity become more advanced. Ultimately, the future of both techniques depends on how their individual strengths are utilized to tackle questions at the frontiers of structural biology. Structure determination is just one piece of a much larger puzzle: a central challenge of modern structural biology is to relate structural information to biological function. In this perspective, we share insight from several leaders in the field and examine the unique and complementary ways in which X-ray methods and cryo-EM can shape the future of structural biology. PMID- 29227644 TI - Molecular Building Block-Based Electronic Charges for High-Throughput Screening of Metal-Organic Frameworks for Adsorption Applications. AB - Metal-organic frameworks (MOFs) are porous crystalline materials with attractive properties for gas separation and storage. Their remarkable tunability makes it possible to create millions of MOF variations but creates the need for fast material screening to identify promising structures. Computational high throughput screening (HTS) is a possible solution, but its usefulness is tied to accurate predictions of MOF adsorption properties. Accurate adsorption simulations often require an accurate description of electrostatic interactions, which depend on the electronic charges of the MOF atoms. HTS-compatible methods to assign charges to MOF atoms need to accurately reproduce electrostatic potentials (ESPs) and be computationally affordable, but current methods present an unsatisfactory trade-off between computational cost and accuracy. We illustrate a method to assign charges to MOF atoms based on ab initio calculations on MOF molecular building blocks. A library of building blocks with built-in charges is thus created and used by an automated MOF construction code to create hundreds of MOFs with charges "inherited" from the constituent building blocks. The molecular building block-based (MBBB) charges are similar to REPEAT charges-which are charges that reproduce ESPs obtained from ab initio calculations on crystallographic unit cells of nanoporous crystals-and thus similar predictions of adsorption loadings, heats of adsorption, and Henry's constants are obtained with either method. The presented results indicate that the MBBB method to assign charges to MOF atoms is suitable for use in computational high-throughput screening of MOFs for applications that involve adsorption of molecules such as carbon dioxide. PMID- 29227643 TI - Structure-Activity Relationship Studies on a Series of 3alpha-[Bis(4 fluorophenyl)methoxy]tropanes and 3alpha-[Bis(4-fluorophenyl)methylamino]tropanes As Novel Atypical Dopamine Transporter (DAT) Inhibitors for the Treatment of Cocaine Use Disorders. AB - The development of medications to treat cocaine use disorders has thus far defied success, leaving this patient population without pharmacotherapeutic options. As the dopamine transporter (DAT) plays a prominent role in the reinforcing effects of cocaine that can lead to addiction, atypical DAT inhibitors have been developed that prevent cocaine from binding to DAT, but they themselves are not cocaine-like. Herein, a series of novel DAT inhibitors were synthesized, and based on its pharmacological profile, the lead compound 10a was evaluated in phase I metabolic stability studies in mouse liver microsomes and compared to cocaine in locomotor activity and drug discrimination paradigms in mice. A molecular dynamic simulation study supported the hypothesis that atypical DAT inhibitors have similar binding poses at DAT in a conformation that differs from that of cocaine. Such differences may ultimately contribute to their unique behavioral profiles and potential for development as cocaine use disorder therapeutics. PMID- 29227645 TI - Structural Trends in Monoboronyl Compounds: Analysis of the Interaction of Second Row Elements with BO. AB - A theoretical study of the monoboronyl compounds of second-row elements, [XBO] (X = Na, Si, P, S, Cl), has been carried out. It is observed that the preference for the XBO arrangement is higher when moving to the right of the period. In the case of sodium monoboronyl three minima were characterized, all lying rather close in energy: linear NaBO, linear NaOB, and an L-shaped structure. Linear NaBO and the L-shaped structure are nearly isoenergetic, whereas linear NaOB is located 2.11 kcal/mol above linear NaBO. The barrier for the conversion of the L-shaped structure into linear NaBO is about 5.1 kcal/mol, suggesting that both species could be potential targets for experimental detection. For silicon monoboronyl, two minima, linear SiBO and linear SiOB, are found, the latter lying about 13 kcal/mol above SiBO. The barrier for the isomerization of SiOB into SiBO is estimated to be 11.4 kcal/mol. For phosphorus, sulfur, and chlorine monoboronyls the linear XBO isomer is clearly the most stable one, and the barriers for the conversion into XOB species are relatively high, suggesting that quite likely the linear XBO isomer should be the main experimental target. All studied monoboronyls are relatively stable, with dissociation energies increasing from left to right of the second-row (69.8 kcal/mol for NaBO and 118.98 kcal/mol for ClBO). An analysis of the bonding for second-row monoboronyls has been carried out, emphasizing the different characteristics of the X-B and X-O bonds along the second row. PMID- 29227646 TI - Direct Observation of Carbohydrate Hydroxyl Protons in Hydrogen Bonds with a Protein. AB - Hydroxyl proton resonances of uniformly 13C-labeled Manalpha(1-2)Manalpha(1 2)ManalphaOMe (Man3) bound to cyanovirin-N (CV-N) were detected at ambient temperature in aqueous solution by NMR spectroscopy. The directions of the hydroxyl groups were determined on the basis of NOEs, and a previously unknown hydrogen-bonding network between Man3 and CV-N was discovered. This is the first report on detecting hydroxyl protons of a protein-bound carbohydrate in aqueous solution by NMR. Approaches such as those presented here may open the door for accurately determining intermolecular hydrogen bonds in carbohydrate-protein complexes. PMID- 29227647 TI - Anti-inflammatory Dimeric 2-(2-Phenylethyl)chromones from the Resinous Wood of Aquilaria sinensis. AB - Sixteen new 2-(2-phenylethyl)chromone dimers, including four pairs of enantiomers (1a/1b, 3a/3b, 6a/6b, and 8a/8b), along with eight optically pure analogues (2, 4, 5, 7, and 9-12) were isolated from the resinous wood of Aquilaria sinensis. Their structures were determined by extensive spectroscopic analysis (1D and 2D NMR, UV, IR, and HRMS) and experimental and computed ECD data. Compounds 1-10 feature an unusual 3,4-dihydro-2 H-pyran ring linkage connecting two 2-(2 phenylethyl)chromone monomeric units, while compounds 11 and 12 possess an unprecedented 6,7-dihydro-5 H-1,4-dioxepine moiety in their structures. A putative biosynthetic pathway of the representative structures via a diepoxy derivative of a chromone with a nonoxygenated A-ring is also proposed. Compounds 1a/1b, 2, 3a/3b, 5, 7, 8a/8b, and 10-12 exhibited significant inhibition of nitric oxide production in lipopolysaccharide-stimulated RAW264.7 cells with IC50 values in the range 7.0-12.0 MUM. PMID- 29227648 TI - Quinazolinone-Based Anticancer Agents: Synthesis, Antiproliferative SAR, Antitubulin Activity, and Tubulin Co-crystal Structure. AB - Quinazolinone-based anticancer agents were designed, decorated with functional groups from a 2-methoxyestradiol-based microtubule disruptor series, incorporating the aryl sulfamate motif of steroid sulfatase (STS) inhibitors. The steroidal AB-ring system was mimicked, favoring conformations with an N-2 substituent occupying D-ring space. Evaluation against breast and prostate tumor cell lines identified 7b with DU-145 antiproliferative activity (GI50 300 nM). A preliminary structure-activity relationship afforded compounds (e.g., 7j GI50 50 nM) with activity exceeding that of the parent. Both 7b and 7j inhibit tubulin assembly in vitro and colchicine binding, and 7j was successfully co-crystallized with the alphabeta-tubulin heterodimer as the first of its class, its sulfamate group interacting positively at the colchicine binding site. Microtubule destabilization by 7j is likely achieved by preventing the curved-to-straight conformational transition in alphabeta-tubulin. Quinazolinone sulfamates surprisingly showed weak STS inhibition. Preliminary in vivo studies in a multiple myeloma xenograft model for 7b showed oral activity, confirming the promise of this template. PMID- 29227649 TI - Regenerative Glycosylation. AB - Previously, we communicated 3,3-difluoroxindole (HOFox)-mediated glycosylations wherein 3,3-difluoro-3H-indol-2-yl (OFox) imidates were found to be key intermediates. Both the in situ synthesis from the corresponding glycosyl bromides and activation of the OFox imidates could be conducted in a regenerative fashion. Herein, we extend this study to the synthesis of various glycosidic linkages using different sugar series. The main outcome of this study relates to enhanced yields and/or reduced reaction times of glycosylations. The effect of HOFox-mediated reactions is particularly pronounced in case of unreactive glycosyl donors and/or glycosyl acceptors. A multistep regenerative synthesis of oligosaccharides is also reported. PMID- 29227650 TI - Molecular Evidence for Catechin Synthesis and Accumulation in Tea Buds (Camellia sinensis). AB - Early spring buds of the Camellia sinensis variety Shuchazao were separated into two parts, including the shoot tip (ST) and non-expanded young leaves (YL), in which the synthesis and accumulation of catechins in the two parts were assessed by high-performance liquid chromatography (HPLC), p-dimethylaminocinnamaldehyde (DMACA) staining, quantitative real-time polymerase chain reaction (qRT-PCR), and in situ hybridization. HPLC showed that (-)-epigallocatechin-3-gallate (EGCG) and (-)-epicatechin-3-gallate (ECG) amounts in YL were increased significantly by 74.0 and 71.8%, respectively. The results of DMACA staining indicated that catechins in buds accumulated mainly in mesophyll cells and the bud shaft of YL. Meanwhile, qRT-PCR demonstrated that the relative expression levels of genes related to flavonoid metabolism, including CsPAL1, CsC4H1, CsC4H2, CsCHS2, CsF3'5'H1, CsDFR1, CsDFR2, and CsANR1, were significantly higher in YL than in the ST. In situ hybridization revealed that CsDFR1, CsDFR2, CsLAR, and CsANR1 were expressed in leaf primordia and YL but not in the apical meristem. These findings highlight the synthesis and accumulation patterns of catechins in different parts of the ST in C. sinensis, providing a theoretical basis for the assessment of synthesis, accumulation, and transfer patterns of catechins in tea plants. PMID- 29227651 TI - Total Syntheses of Scaparvins B, C, and D Enabled by a Key C-H Functionalization. AB - The clerodane diterpene family possesses an impressive range of bioactivities and high synthetic challenge due to their unique amalgamation of rings, stereocenters, and oxygenation. Herein, we disclose the first total syntheses of three members, scaparvins B, C, and D, through a route fueled by several chemoselective and carefully orchestrated steps. One such operation is a tailored late-stage C-H functionalization converting a carboxylic acid into a lactone through the oxidation of a tertiary C-H bond under conditions that minimize epoxidation of an alkene. This step, among others, afforded critical functionality to complete the targets. In addition, use of an appropriate chiral catalyst with a Rawal diene renders the sequence enantioselective. PMID- 29227652 TI - Expedient Synthesis of Highly Functionalized Abnormal Carbenegold(I) Complexes. AB - The reaction of 4-substituted imidazol-2-ylidenes with various electrophiles produces a series of 2,4-functionalized imidazolium salts. Subsequent metalation of these precursors using AuCl(SMe2) provides the first examples of highly functionalized abnormal carbenegold(I) complexes. The present protocol introduces a new strategy for the synthesis of metallic abnormal carbenes featuring diverse functional groups. PMID- 29227653 TI - Structural Stability and Evolution of Medium-Sized Tantalum-Doped Boron Clusters: A Half-Sandwich-Structured TaB12- Cluster. AB - Transition-metal (TM)-doped boron clusters have received considerable attention in recent years, in part, because of their remarkable size-dependent structural and electronic properties. However, the structures of medium-sized boron clusters doped with TM atoms are still not well-known because of the much increased complexity of the potential surface as well as the rapid increase in the number of low-energy isomers, which are the challenges in cluster structural searches. Here, by means of an unbiased structure search, we systematically investigated the structural evolution of medium-sized tantalum-doped boron clusters, TaBn0/- (n = 10-20). The results revealed that TaBn0/- (n = 10-15) clusters adopt half sandwich molecular geometries, with the notable exception of TaB10-, while for n = 16-18 and 19-20, the lowest-energy clusters are characterized by drum-type geometries and tubular molecules with two B atoms on the top, respectively. Good agreement between the calculated and experimental photoelectron spectra strongly support the validity of our global minimum structures. Molecular orbital and adaptive natural density partitioning analyses indicate that the enhanced stability of half-sandwich TaB12- is due to the strong interaction of the Ta atom (5d orbitals) with surrounding B atoms (2p orbitals) and sigma B-B bonds in the B12 moiety. PMID- 29227654 TI - Synergistic Chemopreventive and Therapeutic Effects of Co-drug UA-Met: Implication in Tumor Metastasis. AB - The anticancer properties of ursolic acid (UA) and metformin (Met) have been well demonstrated. However, whether these compounds can act synergistically to prevent and treat cancer is not known. We present in this study, the synergism between UA and Met, and that of a new codrug made of UA and Met (UA-Met) against several cancer cell lines. The combination of high concentration of UA (25, 50, 75, 100 MUM) and Met (5, 10, 20, 40 mM) resulted in synergetic cytotoxicity on MDA-MB-231 and MCF-7 cells (CI < 0.8). Molecular and cellular studies showed that codrug UA Met significantly inhibited the invasion (~55.3 +/- 2.74%) and migration (~52.4 +/- 1.57%) of TGF-beta induced breast cancer MDA-MB-231 and MCF-7 cells in vitro at low concentration of 10 MUM. These effects were accompanied by down-regulation of CXCR4, uPA, vimentin, E-cadherin, N-cadherin, and MMP-2/9 proteins expression and regulation of the AMPK/m-TOR signaling pathways as expected from UA and Met. Moreover, UA-Met could reduce the progression of pulmonary metastasis by 4T1 cells (63.4 +/- 3.52%) without influencing the glucose blood level in mice. Our study suggests that the codrug UA-Met is safe and effective in preventing cancer metastasis and possibly treatment of cancer. PMID- 29227655 TI - Hydrazine Capture and N-N Bond Cleavage at Iron Enabled by Flexible Appended Lewis Acids. AB - Incorporation of two 9-borabicyclo[3.3.1]nonyl substituents within the secondary coordination sphere of a pincer-based Fe(II) complex provides Lewis acidic sites capable of binding 1 or 2 equiv of N2H4. Reduction of the 1:1 Fe:N2H4 species affords a rare Fe(NH2)2 complex in which the amido ligands are stabilized through interactions with the appended boranes. The NH2 units can be released as NH3 upon protonation and exchanged with exogenous N2H4. PMID- 29227656 TI - Artocarmins G-M, Prenylated 4-Chromenones from the Stems of Artocarpus rigida and Their Tyrosinase Inhibitory Activities. AB - Phytochemical analysis of an EtOAc extract of the stems of Artocarpus rigida led to the identification of seven new prenylated 4-chromenones, artocarmins G-M (1 7), and nine known compounds (8-17). Their structures were identified based on physical data analysis. In the tyrosinase inhibitory activity test, norartocarpetin (8) displayed the strongest effect, with an IC50 value of 0.023 MUM. PMID- 29227657 TI - Density-Functional Tight-Binding Molecular Dynamics Simulations of Excess Proton Diffusion in Ice Ih, Ice Ic, Ice III, and Melted Ice VI Phases. AB - The structural, dynamical, and energetic properties of the excess proton in ice were studied using density-functional tight-binding molecular dynamics simulations. The ice systems investigated herein consisted of low-density hexagonal and cubic crystalline variants (ice Ih and Ic) and high-density structures (ice III and melted ice VI). Analysis of the temperature dependence of radial distribution function and bond order parameters served to characterize the distribution and configuration of hundreds of water molecules in a unit cell. We confirmed that ice Ih and Ic possess higher hexagonal symmetries than ice III and melted ice VI. The estimated Grotthuss shuttling diffusion coefficients in ice were larger than that of liquid water, indicating a slower proton diffusion process in high-density structures than in low-density systems. The energy barriers calculated on the basis of the Arrhenius plot of diffusion coefficients were in reasonable agreement with experimental measurement for ice Ih. Furthermore, the energy barriers for high-density structures were several times larger than those of low-density systems. The simulation results were likely related to the suppression of proton transfer in disordered water configurations, in particular, ice with low hexagonal symmetry. PMID- 29227658 TI - Ion Speciation and Transport Properties of LiTFSI in 1,3-Dioxolane Solutions: A Case Study for Li-S Battery Applications. AB - Lithium-sulfur battery is considered to be one of the main candidates for "post lithium-ion" battery generation because of its high theoretical specific capacity and inherently low cost. The role of electrolyte is particularly important in this system, and remarkable battery performances have been reported by tuning the amount of salt in the electrolyte. To further understand the reasons for such improvements, we chose the lithium bis(trifluoromethanesulfonyl)imide in 1,3 dioxolane electrolyte as a model salt-solvent system for a systematic study of conductivity and viscosity over a wide range of concentration from 10-5 up to 5 m. The experimental results, discussed and interpreted with reference to the theory of electrolyte conductance, lead to the conclusion that triple ion formation is responsible for the highest molal conductivity values before reaching the maximum at 1.25 m. At higher concentrations, the molal conductivity drops quickly because of a rapid increase in viscosity and the salt-solvent system can be treated as a diluted form of molten salt. PMID- 29227659 TI - Cationic Gemini Surfactant-Plasmid Deoxyribonucleic Acid Condensates as a Single Amphiphilic Entity. AB - A critical aggregate concentration for the surfactant-DNA "complex" or "condensate" consisting of the 16-3-16 gemini surfactant and circular plasmid DNA was determined using surface tensiometry, dynamic light scattering, and conductometry. This surfactant-DNA complex acts as an amphiphile itself, for example, decreasing the surface tension of water until a critical concentration is reached. The evidence presented here introduces a new way of considering these surfactant-DNA condensates, not simply as aggregates in solution but as surface active agents in their own right. At concentrations below the critical aggregate concentration, there is some dissociation of surfactant molecules from the condensate, creating a more "loose" or "relaxed" complex; however, at and above the critical aggregate concentration, the surfactant-DNA system forms smaller and more uniformly distributed condensates once again. This behavior is analogous to demicellization/micellization that occurs in typical surfactant systems. PMID- 29227660 TI - A Two-Dimensional Manganese Gallium Nitride Surface Structure Showing Ferromagnetism at Room Temperature. AB - Practical applications of semiconductor spintronic devices necessitate ferromagnetic behavior at or above room temperature. In this paper, we demonstrate a two-dimensional manganese gallium nitride surface structure (MnGaN 2D) which is atomically thin and shows ferromagnetic domain structure at room temperature as measured by spin-resolved scanning tunneling microscopy and spectroscopy. Application of small magnetic fields proves that the observed magnetic domains follow a hysteretic behavior. Two initially oppositely oriented MnGaN-2D domains are rotated into alignment with only 120 mT and remain mostly in alignment at remanence. The measurements are further supported by first principles theoretical calculations which reveal highly spin-polarized and spin split surface states with spin polarization of up to 95% for manganese local density of states. PMID- 29227661 TI - High-Resolution Photoelectron Imaging of Cryogenically-Cooled C59N- and (C59N)22- Azafullerene Anions. AB - We report a photoelectron imaging study of cryogenically cooled C59N- and (C59N)22- anions produced from electrospray ionization. High-resolution photoelectron spectra are obtained for C59N- for the first time, allowing seven vibrational frequencies of the C59N azafullerene to be measured. The electron affinity of C59N is determined accurately to be 3.0150 +/- 0.0007 eV. The observed vibrational features are understood on the basis of calculated frequencies and compared with those of C60 and C59HN. The photoelectron image of (C59N)22-, which has the same mass/charge ratio as C59N-, is also observed, allowing the second electron affinity of the (C59N)2 azafullerene dimer to be measured as 1.20 +/- 0.05 eV. The intramolecular Coulomb repulsion of the (C59N)22- dianion is estimated to be 1.96 eV and is investigated theoretically using the electron density difference between (C59N)22- and (C59N)2. PMID- 29227662 TI - Asymmetric Synthesis of 3,4-Dihydroquinolin-2-ones via a Stereoselective Palladium-Catalyzed Decarboxylative [4 + 2]- Cycloaddition. AB - An efficient, palladium-catalyzed, decarboxylative [4 + 2]-cycloaddition of 4 vinyl benzoxazinanones with carboxylic acids has been developed with the employment of P-chiral monophosphorus ligand BI-DIME, affording a series of structurally diverse 3,4-dihydroquinolin-2-ones bearing two contiguous stereogenic centers in moderate to good yields with good to excellent stereoselectivities. PMID- 29227663 TI - Retraction of "Access to Cyclobutadienes via an Organocatalytic Dienamine-Iminium Allenamine Cascade Approach". PMID- 29227664 TI - Deep-Blue High-Efficiency TTA OLED Using Para- and Meta-Conjugated Cyanotriphenylbenzene and Carbazole Derivatives as Emitter and Host. AB - Elaboration of the appropriate host materials proved to be not less important for the fabrication of a highly efficient OLED than the design of emitters. In the present work, we show how by simple variation of molecular structure both blue emitters exhibiting delayed fluorescence and ambipolar high triplet energy hosts can be obtained. The compounds with a para-junction revealed higher thermal stability (TID up to 480 degrees C), lower ionization potentials (5.51-5.60 eV), exclusively hole transport, and higher photoluminescence quantum efficiencies (0.90-0.97). Meta-linkage leads to ambipolar charge transport and higher triplet energies (2.82 eV). Introduction of the accepting nitrile groups in the para position induces intensive delayed fluorescence via a triplet-triplet annihilation up-conversion mechanism. By utilization of the para-substituted derivative as an emitter and the meta-substituted isomer as the host, a deep-blue OLED with the external quantum efficiency of 14.1% was fabricated. PMID- 29227665 TI - Rare Sulfur-Containing Compounds, Kujounins A1 and A2 and Allium Sulfoxide A1, from Allium fistulosum 'Kujou'. AB - Three sulfur-containing compounds, kujounins A1 (1) and A2 (2) and allium sulfoxide A1 (3), were isolated from the acetone extract of Allium fistulosum 'Kujou'. Their chemical structures were elucidated on the basis of physicochemical evidence, including X-ray crystallographic data. Compounds 1 and 2 possess three rings and an acetal structure and were obtained as complex compounds having disulfide and monosaccharide moieties. On the other hand, compound 3 has a thiolane skeleton derived from allicin. Naturally occurring compounds 1-3 have rare molecular skeletons. This study is the first to determine the absolute configuration of thiolane-type compounds. PMID- 29227666 TI - Nonlinear Light Mixing by Graphene Plasmons. AB - Graphene is known to possess strong optical nonlinearity which turned out to be suitable for creation of efficient saturable absorbers in mode locked fiber lasers. Nonlinear response of graphene can be further enhanced by the presence of graphene plasmons. Here, we report a novel nonlinear effect observed in nanostructured graphene which comes about due to excitation of graphene plasmons. We experimentally detect and theoretically explain enhanced mixing of near infrared and mid-infrared light in arrays of graphene nanoribbons. Strong compression of light by graphene plasmons implies that the described effect of light mixing is nonlocal in nature and orders of magnitude larger than the conventional local graphene nonlinearity. Both second and third order nonlinear effects were observed in our experiments with the recalculated third-order nonlinearity coefficient reaching values of 4.5 * 10-6 esu. The suggested effect could be used in variety of applications including nonlinear light modulators, light multiplexers, light logic, and sensing devices. PMID- 29227667 TI - Oxidative Dehydrogenative [2 + 3]-Cyclization of Glycine Esters with Aziridines Leading to Imidazolidines. AB - Oxidative dehydrogenative [2 + 3]-cyclization of glycine derivatives with N sulfonylaziridines is described. A series of complex imidazolidines were produced under mild and simple reaction conditions. A mechanism involving an unusual acid promoted auto-oxidation is proposed. PMID- 29227668 TI - BOCS: Bottom-up Open-source Coarse-graining Software. AB - We present the BOCS toolkit as a suite of open source software tools for parametrizing bottom-up coarse-grained (CG) models to accurately reproduce structural and thermodynamic properties of high-resolution models. The BOCS toolkit complements available software packages by providing robust implementations of both the multiscale coarse-graining (MS-CG) force-matching method and also the generalized-Yvon-Born-Green (g-YBG) method. The g-YBG method allows one to analyze and to calculate MS-CG potentials in terms of structural correlations. Additionally, the BOCS toolkit implements an extended ensemble framework for optimizing the transferability of bottom-up potentials, as well as a self-consistent pressure-matching method for accurately modeling the pressure equation of state for homogeneous systems. We illustrate these capabilities by parametrizing transferable potentials for CG models that accurately model the structure, pressure, and compressibility of liquid alkane systems and by quantifying the role of many-body correlations in determining the calculated pair potential for a one-site CG model of liquid methanol. PMID- 29227669 TI - Electron-Hole-Pair-Induced Vibrational Energy Relaxation of Rhenium Catalysts on Gold Surfaces. AB - A combination of time-resolved vibrational spectroscopy and density functional theory techniques have been applied to study the vibrational energy relaxation dynamics of the Re(4,4'-dicyano-2,2'-bipyridine)(CO)3Cl (Re(CO)3Cl) catalyst for CO2 to CO conversion bound to gold surfaces. The kinetics of vibrational relaxation exhibits a biexponential decay including an ultrafast initial relaxation and complete recovery of the ground vibrational state. Ab initio molecular dynamics simulations and time-dependent perturbation theory reveal the former to be due to vibrational population exchange between CO stretching modes and the latter to be a combination of intramolecular vibrational relaxation (IVR) and electron-hole pair (EHP)-induced energy transfer into the gold substrate. EHP induced energy transfer from the Re(CO)3Cl adsorbate into the gold surface occurs on the same time scale as IVR of Re(CO)3Cl in aprotic solvents. Therefore, it is expected to be particularly relevant to understanding the reduced catalytic activity of the homogeneous catalyst when anchored to a metal surface. PMID- 29227670 TI - Expanding Proteoform Identifications in Top-Down Proteomic Analyses by Constructing Proteoform Families. AB - In top-down proteomics, intact proteins are analyzed by tandem mass spectrometry and proteoforms, which are defined forms of a protein with specific sequences of amino acids and localized post-translational modifications, are identified using precursor mass and fragmentation data. Many proteoforms that are detected in the precursor scan (MS1) are not selected for fragmentation by the instrument and therefore remain unidentified in typical top-down proteomic workflows. Our laboratory has developed the open source software program Proteoform Suite to analyze MS1-only intact proteoform data. Here, we have adapted it to provide identifications of proteoform masses in precursor MS1 spectra of top-down data, supplementing the top-down identifications obtained using the MS2 fragmentation data. Proteoform Suite performs mass calibration using high-scoring top-down identifications and identifies additional proteoforms using calibrated, accurate intact masses. Proteoform families, the set of proteoforms from a given gene, are constructed and visualized from proteoforms identified by both top-down and intact-mass analyses. Using this strategy, we constructed proteoform families and identified 1861 proteoforms in yeast lysate, yielding an approximately 40% increase over the original 1291 proteoform identifications observed using traditional top-down analysis alone. PMID- 29227671 TI - Text Mining Metal-Organic Framework Papers. AB - We have developed a simple text mining algorithm that allows us to identify surface area and pore volumes of metal-organic frameworks (MOFs) using manuscript html files as inputs. The algorithm searches for common units (e.g., m2/g, cm3/g) associated with these two quantities to facilitate the search. From the sample set data of over 200 MOFs, the algorithm managed to identify 90% and 88.8% of the correct surface area and pore volume values. Further application to a test set of randomly chosen MOF html files yielded 73.2% and 85.1% accuracies for the two respective quantities. Most of the errors stem from unorthodox sentence structures that made it difficult to identify the correct data as well as bolded notations of MOFs (e.g., 1a) that made it difficult identify its real name. These types of tools will become useful when it comes to discovering structure-property relationships among MOFs as well as collecting a large set of data for references. PMID- 29227672 TI - Water's Thermal Pressure Drives the Temperature Dependence of Hydrophobic Hydration. AB - With the aid of literature experimental data and reported results from molecular simulation, two thermodynamic relations are found to provide a theoretical basis for the understanding of a variety of characteristic features associated with the solvation of small nonpolar molecules in water. Thus, the large and positive solvation heat capacity, enthalpy-entropy compensation, the solubility minimum and solvation free energy maximum with respect to temperature, enthalpy convergence, and entropy convergence are rationalized in a unified way. Our key finding is that all of these phenomena are driven by the thermal pressure coefficient of pure water, which, via the isobaric thermal expansivity and the isothermal compressibility, reflects its unusual thermodynamics. Remarkably, the solubility minimum is found to be a direct consequence of water's density maximum. PMID- 29227673 TI - Crystal Structure of Cleaved Serp-1, a Myxomavirus-Derived Immune Modulating Serpin: Structural Design of Serpin Reactive Center Loop Peptides with Improved Therapeutic Function. AB - The Myxomavirus-derived protein Serp-1 has potent anti-inflammatory activity in models of vasculitis, lupus, viral sepsis, and transplant. Serp-1 has also been tested successfully in a Phase IIa clinical trial in unstable angina, representing a "first-in-class" therapeutic. Recently, peptides derived from the reactive center loop (RCL) have been developed as stand-alone therapeutics for reducing vasculitis and improving survival in MHV68-infected mice. However, both Serp-1 and the RCL peptides lose activity in MHV68-infected mice after antibiotic suppression of intestinal microbiota. Here, we utilize a structure-guided approach to design and test a series of next-generation RCL peptides with improved therapeutic potential that is not reduced when the peptides are combined with antibiotic treatments. The crystal structure of cleaved Serp-1 was determined to 2.5 A resolution and reveals a classical serpin structure with potential for serpin-derived RCL peptides to bind and inhibit mammalian serpins, plasminogen activator inhibitor 1 (PAI-1), anti-thrombin III (ATIII), and alpha-1 antitrypsin (A1AT), and target proteases. Using in silico modeling of the Serp-1 RCL peptide, S-7, we designed several modified RCL peptides that were predicted to have stronger interactions with human serpins because of the larger number of stabilizing hydrogen bonds. Two of these peptides (MPS7-8 and -9) displayed extended activity, improving survival where activity was previously lost in antibiotic-treated MHV68-infected mice (P < 0.0001). Mass spectrometry and kinetic assays suggest interaction of the peptides with ATIII, A1AT, and target proteases in mouse and human plasma. In summary, we present the next step toward the development of a promising new class of anti-inflammatory serpin-based therapeutics. PMID- 29227675 TI - An ab Initio Exploration of the Bergman Cyclization. AB - The Bergman cyclization is an important reaction in which an enediyne cyclizes to produce a highly reactive diradical species, p-benzyne. Enediyne motifs are found in natural antitumor antibiotic compounds, such as calicheammicin and dynemicin. Understanding the energetics of cyclization is required to better control the initiation of the cyclization, which induces cell death. We computed the singlet and triplet potential energy surfaces for the Bergman cyclization of (Z)-hex-3 ene-1,5-diyne using the CCSD and EOM-SF-CCSD methods. The triplet enediyne and transition state were found to have C2 symmetry, which contrasts with the singlet reactant and transition state that possess C2v symmetry. We analyzed the frontier orbitals of both cyclization pathways to explain the large energetic barrier of the triplet cyclization. Reaction energies were calculated using CCSD(T)/cc-pVTZ single-point calculations on structures optimized with CCSD/cc-pVDZ. The singlet reaction was found to be slightly endothermic (DeltaHrxn = 13.76 kcal/mol) and the triplet reaction was found to be highly exothermic (DeltaHrxn = -33.29 kcal/mol). The adiabatic singlet-triplet gap of p-benzyne, computed with EOM-SF CCSD/cc-pVTZ, was found to be 3.56 kcal/mol, indicating a singlet ground state. PMID- 29227674 TI - Multivalent Presentation of Peptide Targeting Groups Alters Polymer Biodistribution to Target Tissues. AB - Drug delivery to bone is challenging, whereby drug distribution is commonly <1% of injected dose, despite development of several bone-targeted drug delivery systems specific to hydroxyapatite. These bone-targeted drug delivery systems still suffer from poor target cell localization within bone, as at any given time overall bone volume is far greater than acutely remodeling bone volume, which harbors relevant cell targets (osteoclasts or osteoblasts). Thus, there exists a need to target bone-acting drugs specifically to sites of bone remodeling. To address this need, this study synthesized oligo(ethylene glycol) copolymers based on a peptide with high affinity to tartrate-resistant acid phosphatase (TRAP), an enzyme deposited by osteoclasts during the bone resorption phase of bone remodeling, which provides greater specificity relevant for bone cell drugging. Gradient and random peptide orientations, as well as polymer molecular weights, were investigated. TRAP-targeted, high molecular weight (Mn) random copolymers exhibited superior accumulation in remodeling bone, where fracture accumulation was observed for at least 1 week and accounted for 14% of tissue distribution. Intermediate and low Mn random copolymer accumulation was lower, indicating residence time depends on Mn. High Mn gradient polymers were cleared, with only 2% persisting at fractures after 1 week, suggesting TRAP binding depends on peptide density. Peptide density and Mn are easily modified in this versatile targeting platform, which can be applied to a range of bone drug delivery applications. PMID- 29227676 TI - Studying Sex Differences in Animal Models of Addiction: An Emphasis on Alcohol Related Behaviors. AB - Animal models are essential for understanding the biological factors that contribute to drug and alcohol addiction and discovering new pharmacotherapies to treat these disorders. Alcohol (ethanol) is the most commonly abused drug in the world, and as the prevalence of alcohol use disorder (AUD) increases, so does the need for effective pharmacotherapies. In particular, treatments with high efficacy in the growing number of female AUD sufferers are needed. Female animals remain underrepresented in biomedical research and sex differences in the brain's response to alcohol are poorly understood. To help bridge the gender gap in addiction research, this Review discusses strategies that researchers can use to examine sex differences in the context of several common animal models of AUD. Self-administration, two-bottle choice, drinking in the dark, and conditioned place preference are discussed, with a focus on the role of estrogen as a mediator of sex differences in alcohol-related behaviors. PMID- 29227677 TI - Stable Organic Neutral Diradical via Reversible Coordination. AB - We report the formation of a stable neutral diboron diradical simply by coordination of an aromatic dinitrogen compound to an ortho-phenyldiborane. This process is reversible upon addition of pyridine. The diradical species is stable above 200 degrees C. Computations are consistent with an open-shell triplet diradical with a very small open-shell singlet-triplet energy gap that is indicative of the electronic disjointness of the two radical sites. This opens a new way of generating stable radicals with fascinating electronic properties useful for a large variety of applications.